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base: fix a mis-statement in Changes file
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
d460ef45 25#ifdef PERL_MICRO
12ae5dfc
JH		 26# include "uconfig.h"
27#else
611cf957 28# include "config.h"
12ae5dfc 29#endif
0cb96387 30
7dc3eb73 31/* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
9267464d 32 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
7dc3eb73
JH		 33 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
34
35 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
36 * all the C99 features are there and are correct. */
9267464d 37#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
996959af 38 defined(_STDC_C99) || defined(__c99)
86a3cabf 39# define HAS_C99 1
86a3cabf
JH		 40#endif
41
2c2d71f5
JH		 42/* See L<perlguts/"The Perl API"> for detailed notes on
43 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
44
ac6bedea
JH		 45/* Note that from here --> to <-- the same logic is
46 * repeated in makedef.pl, so be certain to update
47 * both places when editing. */
48
6f4183fe 49#ifdef USE_ITHREADS
acfe0abc 50# if !defined(MULTIPLICITY)
6f4183fe
GS		 51# define MULTIPLICITY
52# endif
53#endif
54
27da23d5
JH		 55#ifdef PERL_GLOBAL_STRUCT_PRIVATE
56# ifndef PERL_GLOBAL_STRUCT
57# define PERL_GLOBAL_STRUCT
58# endif
59#endif
97aff369 60
27da23d5
JH		 61#ifdef PERL_GLOBAL_STRUCT
62# ifndef MULTIPLICITY
63# define MULTIPLICITY
64# endif
65#endif
66
97aff369
JH		 67#ifdef MULTIPLICITY
68# ifndef PERL_IMPLICIT_CONTEXT
69# define PERL_IMPLICIT_CONTEXT
70# endif
71#endif
72
026fd48b
GH		 73/* undef WIN32 when building on Cygwin (for libwin32) - gph */
74#ifdef __CYGWIN__
75# undef WIN32
76# undef _WIN32
77#endif
78
27da23d5
JH		 79#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
80# ifndef SYMBIAN
81# define SYMBIAN
82# endif
83#endif
84
a0fd4948 85#ifdef __SYMBIAN32__
27da23d5
JH		 86# include "symbian/symbian_proto.h"
87#endif
88
89/* Any stack-challenged places. The limit varies (and often
90 * is configurable), but using more than a kilobyte of stack
91 * is usually dubious in these systems. */
739a0b84
NC		 92#if defined(__SYMBIAN32__)
93/* Symbian: need to work around the SDK features. *
27da23d5
JH		 94 * On WINS: MS VC5 generates calls to _chkstk, *
95 * if a "large" stack frame is allocated. *
96 * gcc on MARM does not generate calls like these. */
97# define USE_HEAP_INSTEAD_OF_STACK
98#endif
99
dd134d2c 100/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 101/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 102#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 103# define USE_REENTRANT_API
104#endif
105
ac6bedea
JH		 106/* <--- here ends the logic shared by perl.h and makedef.pl */
107
9ea40801
SH		 108/* Microsoft Visual C++ 6.0 needs special treatment in numerous places */
109#if defined(WIN32) && defined(_MSC_VER) && _MSC_VER >= 1200 && _MSC_VER < 1300
110# define USING_MSVC6
111#endif
112
cf5a8da6
MHM		 113#undef START_EXTERN_C
114#undef END_EXTERN_C
115#undef EXTERN_C
116#ifdef __cplusplus
117# define START_EXTERN_C extern "C" {
118# define END_EXTERN_C }
119# define EXTERN_C extern "C"
120#else
121# define START_EXTERN_C
122# define END_EXTERN_C
123# define EXTERN_C extern
124#endif
125
17a6c8e3
AD		 126/* Fallback definitions in case we don't have definitions from config.h.
127 This should only matter for systems that don't use Configure and
128 haven't been modified to define PERL_STATIC_INLINE yet.
129*/
130#if !defined(PERL_STATIC_INLINE)
131# ifdef HAS_STATIC_INLINE
132# define PERL_STATIC_INLINE static inline
133# else
134# define PERL_STATIC_INLINE static
135# endif
136#endif
137
27da23d5
JH		 138#ifdef PERL_GLOBAL_STRUCT
139# ifndef PERL_GET_VARS
140# ifdef PERL_GLOBAL_STRUCT_PRIVATE
cf5a8da6 141 EXTERN_C struct perl_vars* Perl_GetVarsPrivate();
27da23d5 142# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
27da23d5
JH		 143# else
144# define PERL_GET_VARS() PL_VarsPtr
145# endif
146# endif
147#endif
148
f0e5c859
DD		 149/* this used to be off by default, now its on, see perlio.h */
150#define PERLIO_FUNCS_CONST
151
5aaab254 152#define pVAR struct perl_vars* my_vars PERL_UNUSED_DECL
27da23d5
JH		 153
154#ifdef PERL_GLOBAL_STRUCT
155# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
156#else
157# define dVAR dNOOP
158#endif
159
c5be433b 160#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 161# ifndef MULTIPLICITY
162# define MULTIPLICITY
c5be433b 163# endif
e8dda941 164# define tTHX PerlInterpreter*
5aaab254 165# define pTHX tTHX my_perl PERL_UNUSED_DECL
3db8f154 166# define aTHX my_perl
9399a70c 167# define aTHXa(a) aTHX = (tTHX)a
27da23d5 168# ifdef PERL_GLOBAL_STRUCT
e8dda941 169# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 170# else
e8dda941 171# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 172# endif
173# ifdef PERL_GLOBAL_STRUCT
174# define dTHX dVAR; pTHX = PERL_GET_THX
175# else
176# define dTHX pTHX = PERL_GET_THX
177# endif
c5be433b 178# define pTHX_ pTHX,
c5be433b 179# define aTHX_ aTHX,
4373e329 180# define pTHX_1 2
894356b3
GS		 181# define pTHX_2 3
182# define pTHX_3 4
183# define pTHX_4 5
4373e329
AL		 184# define pTHX_5 6
185# define pTHX_6 7
a3b680e6
AL		 186# define pTHX_7 8
187# define pTHX_8 9
188# define pTHX_9 10
a6fc70e5 189# define pTHX_12 13
e8dda941
JD		 190# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
191# define PERL_TRACK_MEMPOOL
192# endif
193#else
194# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 195#endif
196
76e3520e 197#define STATIC static
16c91539
BM		 198
199#ifndef PERL_CORE
200/* Do not use these macros. They were part of PERL_OBJECT, which was an
201 * implementation of multiplicity using C++ objects. They have been left
202 * here solely for the sake of XS code which has incorrectly
203 * cargo-culted them.
204 */
76e3520e 205#define CPERLscope(x) x
565764a8 206#define CPERLarg void
76e3520e 207#define CPERLarg_
e3b8966e 208#define _CPERLarg
1d583055
GS		 209#define PERL_OBJECT_THIS
210#define _PERL_OBJECT_THIS
211#define PERL_OBJECT_THIS_
312caa8e 212#define CALL_FPTR(fptr) (*fptr)
ef69c8fc 213#define MEMBER_TO_FPTR(name) name
16c91539 214#endif /* !PERL_CORE */
76e3520e 215
16c91539 216#define CALLRUNOPS PL_runops
f9f4320a 217
3ab4a224 218#define CALLREGCOMP(sv, flags) Perl_pregcomp(aTHX_ (sv),(flags))
f9f4320a 219
16c91539 220#define CALLREGCOMP_ENG(prog, sv, flags) (prog)->comp(aTHX_ sv, flags)
a340edde 221#define CALLREGEXEC(prog,stringarg,strend,strbeg,minend,sv,data,flags) \
16c91539 222 RX_ENGINE(prog)->exec(aTHX_ (prog),(stringarg),(strend), \
a340edde 223 (strbeg),(minend),(sv),(data),(flags))
52a21eb3
DM		 224#define CALLREG_INTUIT_START(prog,sv,strbeg,strpos,strend,flags,data) \
225 RX_ENGINE(prog)->intuit(aTHX_ (prog), (sv), (strbeg), (strpos), \
f9f4320a
YO		 226 (strend),(flags),(data))
227#define CALLREG_INTUIT_STRING(prog) \
16c91539 228 RX_ENGINE(prog)->checkstr(aTHX_ (prog))
f8149455 229
f8149455
YO		 230#define CALLREGFREE(prog) \
231 Perl_pregfree(aTHX_ (prog))
232
233#define CALLREGFREE_PVT(prog) \
fc6bde6f 234 if(prog) RX_ENGINE(prog)->rxfree(aTHX_ (prog))
f8149455 235
2fdbfb4d 236#define CALLREG_NUMBUF_FETCH(rx,paren,usesv) \
16c91539 237 RX_ENGINE(rx)->numbered_buff_FETCH(aTHX_ (rx),(paren),(usesv))
93b32b6d 238
2fdbfb4d 239#define CALLREG_NUMBUF_STORE(rx,paren,value) \
16c91539 240 RX_ENGINE(rx)->numbered_buff_STORE(aTHX_ (rx),(paren),(value))
2fdbfb4d
AB		 241
242#define CALLREG_NUMBUF_LENGTH(rx,sv,paren) \
16c91539 243 RX_ENGINE(rx)->numbered_buff_LENGTH(aTHX_ (rx),(sv),(paren))
2fdbfb4d 244
192b9cd1 245#define CALLREG_NAMED_BUFF_FETCH(rx, key, flags) \
16c91539 246 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_FETCH))
192b9cd1
AB		 247
248#define CALLREG_NAMED_BUFF_STORE(rx, key, value, flags) \
16c91539 249 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), (value), ((flags) | RXapif_STORE))
192b9cd1
AB		 250
251#define CALLREG_NAMED_BUFF_DELETE(rx, key, flags) \
16c91539 252 RX_ENGINE(rx)->named_buff(aTHX_ (rx),(key), NULL, ((flags) | RXapif_DELETE))
192b9cd1
AB		 253
254#define CALLREG_NAMED_BUFF_CLEAR(rx, flags) \
16c91539 255 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_CLEAR))
192b9cd1
AB		 256
257#define CALLREG_NAMED_BUFF_EXISTS(rx, key, flags) \
16c91539 258 RX_ENGINE(rx)->named_buff(aTHX_ (rx), (key), NULL, ((flags) | RXapif_EXISTS))
192b9cd1
AB		 259
260#define CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags) \
16c91539 261 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), NULL, ((flags) | RXapif_FIRSTKEY))
192b9cd1
AB		 262
263#define CALLREG_NAMED_BUFF_NEXTKEY(rx, lastkey, flags) \
16c91539 264 RX_ENGINE(rx)->named_buff_iter(aTHX_ (rx), (lastkey), ((flags) | RXapif_NEXTKEY))
192b9cd1
AB		 265
266#define CALLREG_NAMED_BUFF_SCALAR(rx, flags) \
16c91539 267 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, ((flags) | RXapif_SCALAR))
192b9cd1
AB		 268
269#define CALLREG_NAMED_BUFF_COUNT(rx) \
16c91539 270 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, RXapif_REGNAMES_COUNT)
192b9cd1
AB		 271
272#define CALLREG_NAMED_BUFF_ALL(rx, flags) \
16c91539 273 RX_ENGINE(rx)->named_buff(aTHX_ (rx), NULL, NULL, flags)
93b32b6d 274
49d7dfbc 275#define CALLREG_PACKAGE(rx) \
16c91539 276 RX_ENGINE(rx)->qr_package(aTHX_ (rx))
93b32b6d 277
00f254e2 278#if defined(USE_ITHREADS)
f9f4320a 279#define CALLREGDUPE(prog,param) \
f8149455
YO		 280 Perl_re_dup(aTHX_ (prog),(param))
281
282#define CALLREGDUPE_PVT(prog,param) \
16c91539 283 (prog ? RX_ENGINE(prog)->dupe(aTHX_ (prog),(param)) \
00f254e2 284 : (REGEXP *)NULL)
f9f4320a 285#endif
14dd3ad8 286
a20207d7 287
bcdf7404 288
a20207d7
YO		 289
290
5ba4cab2
SH		 291/*
292 * Because of backward compatibility reasons the PERL_UNUSED_DECL
293 * cannot be changed from postfix to PERL_UNUSED_DECL(x). Sigh.
294 *
295 * Note that there are C compilers such as MetroWerks CodeWarrior
1266ad8c 296 * which do not have an "inlined" way (like the gcc __attribute__) of
5ba4cab2
SH		 297 * marking unused variables (they need e.g. a #pragma) and therefore
298 * cpp macros like PERL_UNUSED_DECL cannot work for this purpose, even
299 * if it were PERL_UNUSED_DECL(x), which it cannot be (see above).
300 *
301 */
1266ad8c 302
9969cdde 303#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5 304# ifdef __cplusplus
5ba4cab2 305# define PERL_UNUSED_DECL
5b2bd0a5 306# else
5ba4cab2 307# define PERL_UNUSED_DECL __attribute__((unused))
5b2bd0a5
AMS		 308# endif
309#endif
44dbb695 310
5b2bd0a5 311#ifndef PERL_UNUSED_DECL
f7a9299a 312# if defined(HASATTRIBUTE_UNUSED) && (!defined(__cplusplus) || (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
5ba4cab2 313# define PERL_UNUSED_DECL __attribute__unused__
b79c357a 314# else
5ba4cab2 315# define PERL_UNUSED_DECL
b79c357a 316# endif
5b2bd0a5 317#endif
00f254e2 318
349b520e
DM		 319/* gcc -Wall:
320 * for silencing unused variables that are actually used most of the time,
a730e3f2
JH		 321 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs,
322 * or variables/arguments that are used only in certain configurations.
349b520e 323 */
53c1dcc0 324#ifndef PERL_UNUSED_ARG
c99ffe5e 325# if defined(lint) && defined(S_SPLINT_S) /* www.splint.org */
ad73156c 326# include <note.h>
53c1dcc0 327# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 328# else
a730e3f2 329# define PERL_UNUSED_ARG(x) ((void)sizeof(x))
ad73156c
AL		 330# endif
331#endif
53c1dcc0 332#ifndef PERL_UNUSED_VAR
a730e3f2 333# define PERL_UNUSED_VAR(x) ((void)sizeof(x))
53c1dcc0 334#endif
ad73156c 335
23491f1d 336#if defined(USE_ITHREADS) || defined(PERL_GLOBAL_STRUCT)
96a5add6
AL		 337# define PERL_UNUSED_CONTEXT PERL_UNUSED_ARG(my_perl)
338#else
339# define PERL_UNUSED_CONTEXT
340#endif
341
24e7ff4e
JH		 342/* gcc (-ansi) -pedantic doesn't allow gcc statement expressions,
343 * g++ allows them but seems to have problems with them
344 * (insane errors ensue).
345 * g++ does not give insane errors now (RMB 2008-01-30, gcc 4.2.2).
346 */
347#if defined(PERL_GCC_PEDANTIC) || \
348 (defined(__GNUC__) && defined(__cplusplus) && \
349 ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2))))
350# ifndef PERL_GCC_BRACE_GROUPS_FORBIDDEN
351# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
352# endif
353#endif
354
ffea512f 355/* Use PERL_UNUSED_RESULT() to suppress the warnings about unused results
b469f1e0
JH		 356 * of function calls, e.g. PERL_UNUSED_RESULT(foo(a, b)).
357 *
358 * The main reason for this is that the combination of gcc -Wunused-result
359 * (part of -Wall) and the __attribute__((warn_unused_result)) cannot
360 * be silenced with casting to void. This causes trouble when the system
361 * header files use the attribute.
362 *
363 * Use PERL_UNUSED_RESULT sparingly, though, since usually the warning
364 * is there for a good reason: you might lose success/failure information,
365 * or leak resources, or changes in resources.
ffea512f
JH		 366 *
367 * But sometimes you just want to ignore the return value, e.g. on
b469f1e0
JH		 368 * codepaths soon ending up in abort, or in "best effort" attempts,
369 * or in situations where there is no good way to handle failures.
ffea512f 370 *
b469f1e0
JH		 371 * Sometimes PERL_UNUSED_RESULT might not be the most natural way:
372 * another possibility is that you can capture the return value
373 * and use PERL_UNUSED_VAR on that.
ffea512f 374 *
b469f1e0
JH		 375 * The __typeof__() is used instead of typeof() since typeof() is not
376 * available under strict C89, and because of compilers masquerading
377 * as gcc (clang and icc), we want exactly the gcc extension
378 * __typeof__ and nothing else.
ffea512f
JH		 379 */
380#ifndef PERL_UNUSED_RESULT
b469f1e0
JH		 381# if defined(__GNUC__) && defined(HASATTRIBUTE_WARN_UNUSED_RESULT)
382# define PERL_UNUSED_RESULT(v) STMT_START { __typeof__(v) z = (v); (void)sizeof(z); } STMT_END
ffea512f
JH		 383# else
384# define PERL_UNUSED_RESULT(v) ((void)(v))
385# endif
386#endif
387
b56aac20
DM		 388/* on gcc (and clang), specify that a warning should be temporarily
389 * ignored; e.g.
390 *
391 * GCC_DIAG_IGNORE(-Wmultichar);
392 * char b = 'ab';
393 * GCC_DIAG_RESTORE;
394 *
395 * based on http://dbp-consulting.com/tutorials/SuppressingGCCWarnings.html
396 *
397 * Note that "pragma GCC diagnostic push/pop" was added in GCC 4.6, Mar 2011;
398 * clang only pretends to be GCC 4.2, but still supports push/pop.
c1d6452f
JH		 399 *
400 * Note on usage: on non-gcc (or lookalike, like clang) compilers
401 * one cannot use these at file (global) level without warnings
402 * since they are defined as empty, which leads into the terminating
403 * semicolon being left alone on a line:
404 * ;
405 * which makes compilers mildly cranky. Therefore at file level one
6ab56f1e
JH		 406 * should use the GCC_DIAG_IGNORE and GCC_DIAG_RESTORE_FILE *without*
407 * the semicolons.
c1d6452f
JH		 408 *
409 * (A dead-on-arrival solution would be to try to define the macros as
410 * NOOP or dNOOP, those don't work both inside functions and outside.)
b56aac20
DM		 411 */
412
57d4b8c5 413#if defined(__clang__) || defined(__clang) || \
d28ce8b4 414 (defined( __GNUC__) && ((__GNUC__ * 100) + __GNUC_MINOR__) >= 406)
c1d6452f
JH		 415# define GCC_DIAG_PRAGMA(x) _Pragma (#x)
416/* clang has "clang diagnostic" pragmas, but also understands gcc. */
b56aac20 417# define GCC_DIAG_IGNORE(x) _Pragma("GCC diagnostic push") \
c1d6452f 418 GCC_DIAG_PRAGMA(GCC diagnostic ignored #x)
b56aac20
DM		 419# define GCC_DIAG_RESTORE _Pragma("GCC diagnostic pop")
420#else
8ce6f80a
JH		 421# define GCC_DIAG_IGNORE(w)
422# define GCC_DIAG_RESTORE
b56aac20
DM		 423#endif
424
6f207bd3 425#define NOOP /*EMPTY*/(void)0
bafdc25d
NC		 426/* cea2e8a9dd23747f accidentally lost the comment originally from the first
427 check in of thread.h, explaining why we need dNOOP at all: */
428/* Rats: if dTHR is just blank then the subsequent ";" throws an error */
429/* Declaring a *function*, instead of a variable, ensures that we don't rely
430 on being able to suppress "unused" warnings. */
7db66e12
CB		 431#ifdef __cplusplus
432#define dNOOP (void)0
433#else
64a8239e 434#define dNOOP extern int Perl___notused(void)
7db66e12 435#endif
71be2cbc 436
0cb96387 437#ifndef pTHX
a78adc84 438/* Don't bother defining tTHX ; using it outside
e8dda941
JD		 439 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
440 */
0cb96387
GS		 441# define pTHX void
442# define pTHX_
0cb96387
GS		 443# define aTHX
444# define aTHX_
9399a70c 445# define aTHXa(a) NOOP
0cb96387
GS		 446# define dTHXa(a) dNOOP
447# define dTHX dNOOP
894356b3
GS		 448# define pTHX_1 1
449# define pTHX_2 2
450# define pTHX_3 3
451# define pTHX_4 4
3d42dc86
RGS		 452# define pTHX_5 5
453# define pTHX_6 6
a3b680e6
AL		 454# define pTHX_7 7
455# define pTHX_8 8
456# define pTHX_9 9
a6fc70e5 457# define pTHX_12 12
0cb96387
GS		 458#endif
459
27da23d5
JH		 460#ifndef dVAR
461# define dVAR dNOOP
462#endif
463
b4f7f263
GS		 464/* these are only defined for compatibility; should not be used internally */
465#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 466# define pTHXo pTHX
467# define pTHXo_ pTHX_
0cb96387
GS		 468# define aTHXo aTHX
469# define aTHXo_ aTHX_
c5be433b 470# define dTHXo dTHX
71d280e3 471# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 472#endif
473
474#ifndef pTHXx
5aaab254 475# define pTHXx PerlInterpreter *my_perl
0cb96387 476# define pTHXx_ pTHXx,
0cb96387
GS		 477# define aTHXx my_perl
478# define aTHXx_ aTHXx,
c5be433b 479# define dTHXx dTHX
22c35a8c 480#endif
71be2cbc 481
1de7c2ac
GS		 482/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
483 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
484 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
485#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 486# ifdef PERL_GLOBAL_STRUCT_PRIVATE
487# define dTHXs dVAR; dTHX
488# else
489# define dTHXs dTHX
490# endif
1de7c2ac 491#else
27da23d5
JH		 492# ifdef PERL_GLOBAL_STRUCT_PRIVATE
493# define dTHXs dVAR
494# else
495# define dTHXs dNOOP
496# endif
1de7c2ac
GS		 497#endif
498
5b692037
JH		 499#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
500# ifndef PERL_USE_GCC_BRACE_GROUPS
501# define PERL_USE_GCC_BRACE_GROUPS
502# endif
503#endif
504
728e2803 505/*
506 * STMT_START { statements; } STMT_END;
507 * can be used as a single statement, as in
508 * if (x) STMT_START { ... } STMT_END; else ...
509 *
510 * Trying to select a version that gives no warnings...
511 */
512#if !(defined(STMT_START) && defined(STMT_END))
5b692037 513# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 514# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 515# define STMT_END )
516# else
728e2803 517# define STMT_START do
518# define STMT_END while (0)
728e2803 519# endif
520#endif
521
d6f9c181
JH		 522#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
523# define BYTEORDER 0x1234
79072805
LW		 524#endif
525
526/* Overall memory policy? */
527#ifndef CONSERVATIVE
528# define LIBERAL 1
529#endif
530
8ada0baa
JH		 531#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
532#define ASCIIish
533#else
534#undef ASCIIish
535#endif
536
79072805
LW		 537/*
538 * The following contortions are brought to you on behalf of all the
539 * standards, semi-standards, de facto standards, not-so-de-facto standards
540 * of the world, as well as all the other botches anyone ever thought of.
541 * The basic theory is that if we work hard enough here, the rest of the
542 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
543 */
ac58e20f 544
ee0007ab 545/* define this once if either system, instead of cluttering up the src */
7c458fae 546#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 547#define DOSISH 1
548#endif
549
739a0b84 550#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 551# define STANDARD_C 1
552#endif
553
8d87852b 554#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 555# define DONT_DECLARE_STD 1
556#endif
557
352d5a3a 558#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 559# define VOL volatile
663a0e37 560#else
79072805 561# define VOL
663a0e37
LW		 562#endif
563
284167a5
S		 564/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
565 * you get a perl without taint support, but doubtlessly with a lesser
566 * degree of support. Do not do so unless you know exactly what it means
567 * technically, have a good reason to do so, and know exactly how the
568 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
569 * a potential security risk due to flat out ignoring the security-relevant
570 * taint flags. This being said, a perl without taint support compiled in
571 * has marginal run-time performance benefits.
572 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
573 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
574 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 575 *
576 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 577 * voids your nonexistent warranty!
284167a5 578 */
dc6d7f5c 579#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
S		 580# define NO_TAINT_SUPPORT 1
581#endif
582
583/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
584 * operations into no-ops for a very modest speed-up. Enable only if you
585 * know what you're doing: tests and CPAN modules' tests are bound to fail.
586 */
dc6d7f5c 587#ifdef NO_TAINT_SUPPORT
284167a5
S		 588# define TAINT NOOP
589# define TAINT_NOT NOOP
590# define TAINT_IF(c) NOOP
591# define TAINT_ENV() NOOP
592# define TAINT_PROPER(s) NOOP
593# define TAINT_set(s) NOOP
594# define TAINT_get 0
595# define TAINTING_get 0
596# define TAINTING_set(s) NOOP
597# define TAINT_WARN_get 0
598# define TAINT_WARN_set(s) NOOP
599#else
d48c660d 600# define TAINT (PL_tainted = PL_tainting)
284167a5 601# define TAINT_NOT (PL_tainted = FALSE)
d48c660d 602# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = PL_tainting; }
2439e033
S		 603# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
604# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 605# define TAINT_set(s) (PL_tainted = (s))
606# define TAINT_get (PL_tainted)
607# define TAINTING_get (PL_tainting)
608# define TAINTING_set(s) (PL_tainting = (s))
609# define TAINT_WARN_get (PL_taint_warn)
610# define TAINT_WARN_set(s) (PL_taint_warn = (s))
611#endif
a687059c 612
20be6587
DM		 613/* flags used internally only within pp_subst and pp_substcont */
614#ifdef PERL_CORE
615# define SUBST_TAINT_STR 1 /* string tainted */
616# define SUBST_TAINT_PAT 2 /* pattern tainted */
617# define SUBST_TAINT_REPL 4 /* replacement tainted */
618# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
619# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
620#endif
621
d460ef45 622/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 623 defines move there? If so, I could simplify this a lot. --AD 9/96.
624*/
625/* Process group stuff changed from traditional BSD to POSIX.
626 perlfunc.pod documents the traditional BSD-style syntax, so we'll
627 try to preserve that, if possible.
628*/
629#ifdef HAS_SETPGID
630# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 631#else
a6e633de 632# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
633# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
634# else
635# ifdef HAS_SETPGRP2 /* DG/UX */
636# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
637# endif
638# endif
639#endif
640#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
641# define HAS_SETPGRP /* Well, effectively it does . . . */
642#endif
643
644/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
645 our life easier :-) so we'll try it.
646*/
647#ifdef HAS_GETPGID
648# define BSD_GETPGRP(pid) getpgid((pid))
649#else
650# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
651# define BSD_GETPGRP(pid) getpgrp((pid))
652# else
653# ifdef HAS_GETPGRP2 /* DG/UX */
654# define BSD_GETPGRP(pid) getpgrp2((pid))
655# endif
656# endif
657#endif
658#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
659# define HAS_GETPGRP /* Well, effectively it does . . . */
660#endif
661
d460ef45 662/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 663 have different behaviors, but perl.h used to define USE_BSDPGRP
664 (prior to 5.003_05) so some extension might depend on it.
665*/
666#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
667# ifndef USE_BSDPGRP
668# define USE_BSDPGRP
669# endif
663a0e37
LW		 670#endif
671
486ec47a 672/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 673 pthread.h must be included before all other header files.
674*/
3db8f154 675#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 676# include <pthread.h>
677#endif
678
58ab9e8b 679#include <sys/types.h>
663a0e37 680
760ac839
LW		 681#ifdef __cplusplus
682# ifndef I_STDARG
683# define I_STDARG 1
684# endif
685#endif
686
c7925a5e
DD		 687/* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
688 which is included from stdarg.h. Bad definition not present in SD 2008
689 SDK headers. wince.h is not yet included, so we cant fix this from there
690 since by then MB_CUR_MAX will be defined from stdlib.h.
691 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
692 since cewchar.h can't be included this early */
693#if defined(UNDER_CE) && (_MSC_VER < 1300)
694# define MB_CUR_MAX 1
695#endif
760ac839
LW		 696#ifdef I_STDARG
697# include <stdarg.h>
698#else
699# ifdef I_VARARGS
700# include <varargs.h>
701# endif
702#endif
703
27db2737
JH		 704#ifdef I_STDINT
705# include <stdint.h>
706#endif
707
fe14fcc3 708#include <ctype.h>
a0d0e21e
LW		 709
710#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
711#undef METHOD
a0d0e21e
LW		 712#endif
713
12ae5dfc
JH		 714#ifdef PERL_MICRO
715# define NO_LOCALE
716#endif
717
4633a7c4 718#ifdef I_LOCALE
36477c24 719# include <locale.h>
4633a7c4
LW		 720#endif
721
36477c24 722#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
723# define USE_LOCALE
ccd65d51
KW		 724# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
725 capability */
36477c24 726# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
727 && defined(HAS_STRXFRM)
728# define USE_LOCALE_COLLATE
729# endif
730# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
731# define USE_LOCALE_CTYPE
732# endif
733# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
734# define USE_LOCALE_NUMERIC
735# endif
fa9b773e
KW		 736# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
737# define USE_LOCALE_MESSAGES
738# endif
739# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
740# define USE_LOCALE_MONETARY
741# endif
56e45410
KW		 742# if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
743# define USE_LOCALE_TIME
744# endif
b385bb4d
KW		 745# ifndef WIN32 /* No wrapper except on Windows */
746# define my_setlocale(a,b) setlocale(a,b)
747# endif
36477c24 748#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 749
3e669301
KW		 750/* Is $^ENCODING set, or are we under the encoding pragma? */
751#define IN_ENCODING UNLIKELY(PL_encoding \
752 || (PL_lex_encoding && _get_encoding() != NULL))
47e13f24 753
fe14fcc3 754#include <setjmp.h>
79072805 755
a0d0e21e 756#ifdef I_SYS_PARAM
79072805
LW		 757# ifdef PARAM_NEEDS_TYPES
758# include <sys/types.h>
759# endif
760# include <sys/param.h>
352d5a3a 761#endif
79072805 762
ce3470dc
AD		 763/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
764 value something like 199306. This may be useful if no more-specific
765 feature test is available.
766*/
767#if defined(BSD)
768# ifndef BSDish
769# define BSDish
770# endif
771#endif
772
79072805 773/* Use all the "standard" definitions? */
a0d0e21e 774#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 775# include <stdlib.h>
ff68c719 776#endif
03a14243 777
3f270f98
JH		 778/* If this causes problems, set i_unistd=undef in the hint file. */
779#ifdef I_UNISTD
763ee752
AB		 780# if defined(__amigaos4__)
781# ifdef I_NETINET_IN
782# include <netinet/in.h>
783# endif
784# endif
3f270f98 785# include <unistd.h>
6e3136a6
AB		 786# if defined(__amigaos4__)
787/* Under AmigaOS 4 newlib.library provides an environ. However using
788 * it doesn't give us enough control over inheritance of variables by
789 * subshells etc. so replace with custom version based on abc-shell
790 * code. */
791extern char **myenviron;
792# undef environ
793# define environ myenviron
794# endif
3f270f98
JH		 795#endif
796
de8ca8af
NT		 797/* for WCOREDUMP */
798#ifdef I_SYS_WAIT
799# include <sys/wait.h>
800#endif
801
9969cdde 802#ifdef __SYMBIAN32__
27da23d5
JH		 803# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
804#endif
805
21e89b5f 806#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 807EXTERN_C int syscall(int, ...);
2ef53570
JH		 808#endif
809
21e89b5f 810#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 811EXTERN_C int usleep(unsigned int);
2ef53570
JH		 812#endif
813
1109a392
MHM		 814#ifdef PERL_CORE
815
816/* macros for correct constant construction */
817# if INTSIZE >= 2
818# define U16_CONST(x) ((U16)x##U)
819# else
820# define U16_CONST(x) ((U16)x##UL)
821# endif
822
823# if INTSIZE >= 4
824# define U32_CONST(x) ((U32)x##U)
825# else
826# define U32_CONST(x) ((U32)x##UL)
827# endif
828
829# ifdef HAS_QUAD
830# if INTSIZE >= 8
831# define U64_CONST(x) ((U64)x##U)
832# elif LONGSIZE >= 8
833# define U64_CONST(x) ((U64)x##UL)
834# elif QUADKIND == QUAD_IS_LONG_LONG
835# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 836# elif QUADKIND == QUAD_IS___INT64
837# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 838# else /* best guess we can make */
839# define U64_CONST(x) ((U64)x##UL)
840# endif
841# endif
842
843/* byte-swapping functions for big-/little-endian conversion */
844# define _swab_16_(x) ((U16)( \
845 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
846 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
847
848# define _swab_32_(x) ((U32)( \
849 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
850 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
851 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
852 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
853
854# ifdef HAS_QUAD
855# define _swab_64_(x) ((U64)( \
856 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
857 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
858 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
859 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
860 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
861 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
862 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
863 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
864# endif
865
9c17f24a
NC		 866/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
867 at least on FreeBSD. YMMV, so experiment. */
868#ifndef PERL_ARENA_SIZE
869#define PERL_ARENA_SIZE 4080
870#endif
871
ccb2c8b8 872/* Maximum level of recursion */
2b9dff67
RGS		 873#ifndef PERL_SUB_DEPTH_WARN
874#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 875#endif
876
1109a392
MHM		 877#endif /* PERL_CORE */
878
bdf3085f
NC		 879/* We no longer default to creating a new SV for GvSV.
880 Do this before embed. */
881#ifndef PERL_CREATE_GVSV
7459f06b
NC		 882# ifndef PERL_DONT_CREATE_GVSV
883# define PERL_DONT_CREATE_GVSV
884# endif
bdf3085f
NC		 885#endif
886
ca0c25f6
NC		 887#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
888#define PERL_USES_PL_PIDSTATUS
889#endif
890
739a0b84 891#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 892#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
893#endif
894
c31fac66
GS		 895#define MEM_SIZE Size_t
896
1936d2a7
NC		 897/* Round all values passed to malloc up, by default to a multiple of
898 sizeof(size_t)
899*/
900#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
901#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
902#endif
903
f1200559
WH		 904/* sv_grow() will expand strings by at least a certain percentage of
905 the previously *used* length to avoid excessive calls to realloc().
906 The default is 25% of the current length.
907*/
908#ifndef PERL_STRLEN_EXPAND_SHIFT
909# define PERL_STRLEN_EXPAND_SHIFT 2
910#endif
911
3800c318 912#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
51371543
GS		 913# include <stddef.h>
914# define STRUCT_OFFSET(s,m) offsetof(s,m)
915#else
916# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
d0b86e2f
BF		 917#endif
918
919/* ptrdiff_t is C11, so undef it under pedantic builds */
920#ifdef PERL_GCC_PEDANTIC
921# undef HAS_PTRDIFF_T
51371543
GS		 922#endif
923
9969cdde 924#ifndef __SYMBIAN32__
27da23d5
JH		 925# if defined(I_STRING) || defined(__cplusplus)
926# include <string.h>
927# else
928# include <strings.h>
929# endif
51371543
GS		 930#endif
931
55497cff 932/* This comes after <stdlib.h> so we don't try to change the standard
933 * library prototypes; we'll use our own in proto.h instead. */
03a14243 934
4633a7c4 935#ifdef MYMALLOC
86058a2d 936# ifdef PERL_POLLUTE_MALLOC
ee13e175 937# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 938# define Perl_malloc malloc
939# define Perl_calloc calloc
940# define Perl_realloc realloc
941# define Perl_mfree free
ee13e175 942# endif
86058a2d
GS		 943# else
944# define EMBEDMYMALLOC /* for compatibility */
945# endif
827e134a 946
651b9576
GS		 947# define safemalloc Perl_malloc
948# define safecalloc Perl_calloc
949# define saferealloc Perl_realloc
950# define safefree Perl_mfree
22f7c9c9
JH		 951# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
952 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
953 code; \
954 } STMT_END
955# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
956 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
957# define panic_write2(s) write(2, s, strlen(s))
958# define CHECK_MALLOC_TAINT(newval) \
959 CHECK_MALLOC_TOO_LATE_FOR_( \
960 if (newval) { \
acfd4d8e 961 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
22f7c9c9 962 exit(1); })
22f7c9c9 963# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 964 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 965 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
966 }} STMT_END;
f2517201
GS		 967#else /* MYMALLOC */
968# define safemalloc safesysmalloc
969# define safecalloc safesyscalloc
970# define saferealloc safesysrealloc
971# define safefree safesysfree
22f7c9c9
JH		 972# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
973# define CHECK_MALLOC_TAINT(newval) ((void)0)
974# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 975#endif /* MYMALLOC */
4633a7c4 976
fe13d51d 977/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 978#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH		 979#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
980#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
981#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
982
a0d0e21e
LW		 983#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
984#define strchr index
985#define strrchr rindex
986#endif
987
16d20bd9
AD		 988#ifdef I_MEMORY
989# include <memory.h>
990#endif
991
fe14fcc3 992#ifdef HAS_MEMCPY
85e6fe83 993# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 994# ifndef memcpy
20ce7b12 995 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 996# endif
997# endif
998#else
999# ifndef memcpy
1000# ifdef HAS_BCOPY
1001# define memcpy(d,s,l) bcopy(s,d,l)
1002# else
1003# define memcpy(d,s,l) my_bcopy(s,d,l)
1004# endif
1005# endif
1006#endif /* HAS_MEMCPY */
fe14fcc3 1007
ee0007ab 1008#ifdef HAS_MEMSET
85e6fe83 1009# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1010# ifndef memset
20ce7b12 1011 extern char *memset (char*, int, int);
ee0007ab
LW		 1012# endif
1013# endif
ee0007ab 1014#else
12ae5dfc 1015# undef memset
fc36a67e 1016# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1017#endif /* HAS_MEMSET */
1018
85e6fe83 1019#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1020# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1021# define memmove(d,s,l) bcopy(s,d,l)
1022# else
2304df62 1023# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1024# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1025# else
79072805 1026# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1027# endif
352d5a3a 1028# endif
d9d8d8de 1029#endif
ee0007ab 1030
36477c24 1031#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1032# undef HAS_MEMCMP
1033#endif
1034
1035#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1036# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1037# ifndef memcmp
20ce7b12 1038 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1039# endif
1040# endif
1041#else
1042# ifndef memcmp
ecfc5424 1043# define memcmp my_memcmp
352d5a3a 1044# endif
36477c24 1045#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1046
fc36a67e 1047#ifndef memzero
c635e13b 1048# ifdef HAS_MEMSET
1049# define memzero(d,l) memset(d,0,l)
79072805 1050# else
c635e13b 1051# ifdef HAS_BZERO
1052# define memzero(d,l) bzero(d,l)
79072805 1053# else
fc36a67e 1054# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1055# endif
1056# endif
d9d8d8de 1057#endif
378cc40b 1058
2f42fcb0 1059#ifndef PERL_MICRO
0f27ced1
JH		 1060#ifndef memchr
1061# ifndef HAS_MEMCHR
1062# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1063# endif
1064#endif
2f42fcb0 1065#endif
0f27ced1 1066
36477c24 1067#ifndef HAS_BCMP
1068# ifndef bcmp
1069# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1070# endif
36477c24 1071#endif /* !HAS_BCMP */
378cc40b 1072
ae986130 1073#ifdef I_NETINET_IN
79072805 1074# include <netinet/in.h>
ae986130
LW		 1075#endif
1076
28e8609d
JH		 1077#ifdef I_ARPA_INET
1078# include <arpa/inet.h>
1079#endif
1080
1aef975c 1081#ifdef I_SYS_STAT
84902520 1082# include <sys/stat.h>
1aef975c 1083#endif
79072805 1084
287a962e
JD		 1085/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1086 This definition should ideally go into win32/win32.h, but S_IFIFO is
1087 used later here in perl.h before win32/win32.h is being included. */
1088#if !defined(S_IFIFO) && defined(_S_IFIFO)
1089# define S_IFIFO _S_IFIFO
1090#endif
1091
cc3315ba 1092/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1093 like UTekV) are broken, sometimes giving false positives. Undefine
1094 them here and let the code below set them to proper values.
1095
1096 The ghs macro stands for GreenHills Software C-1.8.5 which
1097 is the C compiler for sysV88 and the various derivatives.
1098 This header file bug is corrected in gcc-2.5.8 and later versions.
1099 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1100
cc3315ba 1101#if defined(m88k) && defined(ghs)
79072805
LW		 1102# undef S_ISDIR
1103# undef S_ISCHR
1104# undef S_ISBLK
1105# undef S_ISREG
1106# undef S_ISFIFO
1107# undef S_ISLNK
ee0007ab 1108#endif
135863df 1109
663a0e37
LW		 1110#ifdef I_TIME
1111# include <time.h>
ffed7fef 1112#endif
663a0e37 1113
fe14fcc3 1114#ifdef I_SYS_TIME
85e6fe83 1115# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1116# define KERNEL
1117# endif
1118# include <sys/time.h>
85e6fe83 1119# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1120# undef KERNEL
1121# endif
a687059c 1122#endif
135863df 1123
55497cff 1124#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1125# include <sys/times.h>
d9d8d8de 1126#endif
8d063cd8 1127
fe14fcc3 1128#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1129# undef HAS_STRERROR
663a0e37
LW		 1130#endif
1131
1132#include <errno.h>
1e743fda 1133
acfe0abc 1134#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1135# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1136#endif
1137
da70cfc6 1138#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1139# include <sys/socket.h>
1140# if defined(USE_SOCKS) && defined(I_SOCKS)
1141# if !defined(INCLUDE_PROTOTYPES)
1142# define INCLUDE_PROTOTYPES /* for <socks.h> */
1143# define PERL_SOCKS_NEED_PROTOTYPES
1144# endif
1145# include <socks.h>
1146# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1147# undef INCLUDE_PROTOTYPES
1148# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1149# endif
d460ef45 1150# endif
1e743fda 1151# ifdef I_NETDB
2986a63f
JH		 1152# ifdef NETWARE
1153# include<stdio.h>
1154# endif
1e743fda
JH		 1155# include <netdb.h>
1156# endif
1157# ifndef ENOTSOCK
1158# ifdef I_NET_ERRNO
1159# include <net/errno.h>
1160# endif
1161# endif
1162#endif
1163
fa0a29af 1164/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1165 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1166 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1167#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1168# if defined(__THROW) && defined(__GLIBC__)
1169int sockatmark(int) __THROW;
1170# else
2ef53570 1171int sockatmark(int);
29820b6d 1172# endif
2ef53570
JH		 1173#endif
1174
7e827271 1175#if defined(__osf__) && defined(__cplusplus) && !defined(_XOPEN_SOURCE_EXTENDED) /* Tru64 "cxx" (C++), see hints/dec_osf.sh for why the _XOPEN_SOURCE_EXTENDED cannot be defined. */
45d3b546
JH		 1176EXTERN_C int fchdir(int);
1177EXTERN_C int flock(int, int);
1178EXTERN_C int fseeko(FILE *, off_t, int);
1179EXTERN_C off_t ftello(FILE *);
1180#endif
1181
7e827271 1182#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1183EXTERN_C char *crypt(const char *, const char *);
7e827271 1184EXTERN_C char **environ;
1ccb7c8d
JH		 1185#endif
1186
83a6ff2e 1187#if defined(__cplusplus)
ce3470dc 1188# if defined(BSDish)
b91fbb93 1189EXTERN_C char **environ;
83a6ff2e 1190# elif defined(__CYGWIN__)
667e2948
SP		 1191EXTERN_C char *crypt(const char *, const char *);
1192#endif
83a6ff2e 1193#endif
667e2948 1194
1e743fda
JH		 1195#ifdef SETERRNO
1196# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1197#endif
f86702cc 1198
1199#ifdef VMS
1200# define SETERRNO(errcode,vmserrcode) \
1201 STMT_START { \
1202 set_errno(errcode); \
1203 set_vaxc_errno(vmserrcode); \
1204 } STMT_END
4ee39169
CS		 1205# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1206# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1207# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1208# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1209
93189314
JH		 1210# define LIB_INVARG LIB$_INVARG
1211# define RMS_DIR RMS$_DIR
1212# define RMS_FAC RMS$_FAC
1213# define RMS_FEX RMS$_FEX
1214# define RMS_FNF RMS$_FNF
1215# define RMS_IFI RMS$_IFI
1216# define RMS_ISI RMS$_ISI
1217# define RMS_PRV RMS$_PRV
1218# define SS_ACCVIO SS$_ACCVIO
1219# define SS_DEVOFFLINE SS$_DEVOFFLINE
1220# define SS_IVCHAN SS$_IVCHAN
1221# define SS_NORMAL SS$_NORMAL
8a9f18be 1222# define SS_NOPRIV SS$_NOPRIV
4388f261 1223# define SS_BUFFEROVF SS$_BUFFEROVF
748a9306 1224#else
93189314
JH		 1225# define LIB_INVARG 0
1226# define RMS_DIR 0
1227# define RMS_FAC 0
1228# define RMS_FEX 0
1229# define RMS_FNF 0
1230# define RMS_IFI 0
1231# define RMS_ISI 0
1232# define RMS_PRV 0
1233# define SS_ACCVIO 0
1234# define SS_DEVOFFLINE 0
1235# define SS_IVCHAN 0
1236# define SS_NORMAL 0
8a9f18be 1237# define SS_NOPRIV 0
4388f261 1238# define SS_BUFFEROVF 0
748a9306 1239#endif
ed6116ce 1240
6ca940a9
TC		 1241#ifdef WIN32
1242# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1243# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1244# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1245# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1246#endif
1247
1248#ifdef OS2
1249# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1250# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1251# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1252# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1253#endif
1254
1255#ifndef SETERRNO
1256# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1257#endif
1258
1259#ifndef dSAVEDERRNO
1260# define dSAVEDERRNO int saved_errno
1261# define dSAVE_ERRNO int saved_errno = errno
1262# define SAVE_ERRNO (saved_errno = errno)
1263# define RESTORE_ERRNO (errno = saved_errno)
1264#endif
1265
f5fa9033 1266#define ERRSV GvSVn(PL_errgv)
dfd167e9 1267
b4f8d149 1268/* contains inlined gv_add_by_type */
dfd167e9 1269#define CLEAR_ERRSV() STMT_START { \
b4f8d149
DD		 1270 SV ** const svp = &GvSV(PL_errgv); \
1271 if (!*svp) { \
1272 goto clresv_newemptypv; \
1273 } else if (SvREADONLY(*svp)) { \
1274 SvREFCNT_dec_NN(*svp); \
1275 clresv_newemptypv: \
1276 *svp = newSVpvs(""); \
dfd167e9 1277 } else { \
b4f8d149 1278 SV *const errsv = *svp; \
dfd167e9 1279 sv_setpvs(errsv, ""); \
b4f8d149 1280 SvPOK_only(errsv); \
dfd167e9
NC		 1281 if (SvMAGICAL(errsv)) { \
1282 mg_free(errsv); \
1283 } \
dfd167e9
NC		 1284 } \
1285 } STMT_END
1286
1287
414bf5ae
MHM		 1288#ifdef PERL_CORE
1289# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1290# define DEFSV_set(sv) \
1291 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1292# define SAVE_DEFSV \
1293 ( \
1294 save_gp(PL_defgv, 0), \
1295 GvINTRO_off(PL_defgv), \
1296 SAVEGENERICSV(GvSV(PL_defgv)), \
1297 GvSV(PL_defgv) = NULL \
1298 )
414bf5ae
MHM		 1299#else
1300# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1301# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1302# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1303#endif
38a03e6e 1304
55497cff 1305#ifndef errno
5ff3f7a4
GS		 1306 extern int errno; /* ANSI allows errno to be an lvalue expr.
1307 * For example in multithreaded environments
1308 * something like this might happen:
1309 * extern int *_errno(void);
1310 * #define errno (*_errno()) */
d9d8d8de 1311#endif
663a0e37 1312
7e996671
KW		 1313#define UNKNOWN_ERRNO_MSG "(unknown)"
1314
2304df62 1315#ifdef HAS_STRERROR
b3e384bf 1316# ifndef DONT_DECLARE_STD
a0d0e21e 1317# ifdef VMS
20ce7b12 1318 char *strerror (int,...);
a0d0e21e 1319# else
20ce7b12 1320 char *strerror (int);
a0d0e21e 1321# endif
b3e384bf
KW		 1322# endif
1323# ifndef Strerror
1324# define Strerror strerror
1325# endif
2304df62
AD		 1326#else
1327# ifdef HAS_SYS_ERRLIST
79072805
LW		 1328 extern int sys_nerr;
1329 extern char *sys_errlist[];
2304df62
AD		 1330# ifndef Strerror
1331# define Strerror(e) \
7e996671 1332 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1333# endif
79072805 1334# endif
35c8bce7 1335#endif
663a0e37 1336
2304df62 1337#ifdef I_SYS_IOCTL
79072805
LW		 1338# ifndef _IOCTL_
1339# include <sys/ioctl.h>
1340# endif
a687059c
LW		 1341#endif
1342
ee0007ab 1343#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1344# ifdef HAS_SOCKETPAIR
1345# undef HAS_SOCKETPAIR
1346# endif
2304df62
AD		 1347# ifdef I_NDBM
1348# undef I_NDBM
79072805 1349# endif
a687059c
LW		 1350#endif
1351
02fc2eee
NC		 1352#ifndef HAS_SOCKETPAIR
1353# ifdef HAS_SOCKET
1354# define socketpair Perl_my_socketpair
1355# endif
1356#endif
1357
a687059c 1358#if INTSIZE == 2
79072805
LW		 1359# define htoni htons
1360# define ntohi ntohs
a687059c 1361#else
79072805
LW		 1362# define htoni htonl
1363# define ntohi ntohl
a687059c
LW		 1364#endif
1365
a0d0e21e 1366/* Configure already sets Direntry_t */
35c8bce7 1367#if defined(I_DIRENT)
663a0e37 1368# include <dirent.h>
ae986130 1369#else
fe14fcc3 1370# ifdef I_SYS_NDIR
79a0689e 1371# include <sys/ndir.h>
663a0e37 1372# else
fe14fcc3 1373# ifdef I_SYS_DIR
79a0689e
LW		 1374# ifdef hp9000s500
1375# include <ndir.h> /* may be wrong in the future */
1376# else
1377# include <sys/dir.h>
1378# endif
663a0e37
LW		 1379# endif
1380# endif
4633a7c4 1381#endif
a687059c 1382
c623bd54
LW		 1383/*
1384 * The following gobbledygook brought to you on behalf of __STDC__.
1385 * (I could just use #ifndef __STDC__, but this is more bulletproof
1386 * in the face of half-implementations.)
1387 */
1388
21e89b5f 1389#if defined(I_SYSMODE)
ca6e1c26
JH		 1390#include <sys/mode.h>
1391#endif
1392
c623bd54
LW		 1393#ifndef S_IFMT
1394# ifdef _S_IFMT
1395# define S_IFMT _S_IFMT
1396# else
1397# define S_IFMT 0170000
1398# endif
1399#endif
1400
1401#ifndef S_ISDIR
1402# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1403#endif
1404
1405#ifndef S_ISCHR
1406# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1407#endif
1408
1409#ifndef S_ISBLK
fe14fcc3
LW		 1410# ifdef S_IFBLK
1411# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1412# else
1413# define S_ISBLK(m) (0)
1414# endif
c623bd54
LW		 1415#endif
1416
1417#ifndef S_ISREG
1418# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1419#endif
1420
1421#ifndef S_ISFIFO
fe14fcc3
LW		 1422# ifdef S_IFIFO
1423# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1424# else
1425# define S_ISFIFO(m) (0)
1426# endif
c623bd54
LW		 1427#endif
1428
1429#ifndef S_ISLNK
1430# ifdef _S_ISLNK
1431# define S_ISLNK(m) _S_ISLNK(m)
1432# else
1433# ifdef _S_IFLNK
1434# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1435# else
1436# ifdef S_IFLNK
1437# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1438# else
1439# define S_ISLNK(m) (0)
1440# endif
1441# endif
1442# endif
1443#endif
1444
1445#ifndef S_ISSOCK
1446# ifdef _S_ISSOCK
1447# define S_ISSOCK(m) _S_ISSOCK(m)
1448# else
1449# ifdef _S_IFSOCK
1450# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1451# else
1452# ifdef S_IFSOCK
1453# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1454# else
1455# define S_ISSOCK(m) (0)
1456# endif
1457# endif
1458# endif
1459#endif
1460
1461#ifndef S_IRUSR
1462# ifdef S_IREAD
1463# define S_IRUSR S_IREAD
1464# define S_IWUSR S_IWRITE
1465# define S_IXUSR S_IEXEC
1466# else
1467# define S_IRUSR 0400
1468# define S_IWUSR 0200
1469# define S_IXUSR 0100
1470# endif
fac7cdfc
JS		 1471#endif
1472
1473#ifndef S_IRGRP
1474# ifdef S_IRUSR
1475# define S_IRGRP (S_IRUSR>>3)
1476# define S_IWGRP (S_IWUSR>>3)
1477# define S_IXGRP (S_IXUSR>>3)
1478# else
1479# define S_IRGRP 0040
1480# define S_IWGRP 0020
1481# define S_IXGRP 0010
1482# endif
1483#endif
1484
1485#ifndef S_IROTH
1486# ifdef S_IRUSR
1487# define S_IROTH (S_IRUSR>>6)
1488# define S_IWOTH (S_IWUSR>>6)
1489# define S_IXOTH (S_IXUSR>>6)
1490# else
1491# define S_IROTH 0040
1492# define S_IWOTH 0020
1493# define S_IXOTH 0010
1494# endif
c623bd54
LW		 1495#endif
1496
1497#ifndef S_ISUID
1498# define S_ISUID 04000
1499#endif
1500
1501#ifndef S_ISGID
1502# define S_ISGID 02000
1503#endif
1504
ca6e1c26
JH		 1505#ifndef S_IRWXU
1506# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1507#endif
ca6e1c26
JH		 1508
1509#ifndef S_IRWXG
1510# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1511#endif
ca6e1c26
JH		 1512
1513#ifndef S_IRWXO
1514# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1515#endif
ca6e1c26 1516
b6c36746 1517/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1518 * which would get included through <sys/file.h >, but that is 3000
1519 * lines in the future. --jhi */
1520
b6c36746 1521#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1522# define S_IREAD S_IRUSR
1523#endif
1524
b6c36746 1525#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1526# define S_IWRITE S_IWUSR
1527#endif
1528
1529#ifndef S_IEXEC
1530# define S_IEXEC S_IXUSR
1531#endif
1532
a0d0e21e 1533#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1534# define SLOPPYDIVIDE
1535#endif
1536
748a9306
LW		 1537#ifdef UV
1538#undef UV
1539#endif
1540
ce582cee
NC		 1541/* For the times when you want the return value of sprintf, and you want it
1542 to be the length. Can't have a thread variable passed in, because C89 has
1543 no varargs macros.
1544*/
1545#ifdef SPRINTF_RETURNS_STRLEN
1546# define my_sprintf sprintf
1547#else
1548# define my_sprintf Perl_my_sprintf
1549#endif
1550
5b692037
JH		 1551/*
1552 * If we have v?snprintf() and the C99 variadic macros, we can just
1553 * use just the v?snprintf(). It is nice to try to trap the buffer
1554 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1555 * gcc statement expressions, then use the function wrappers which try
1556 * to trap the overflow. If we can use the gcc statement expressions,
1557 * we can try that even with the version that uses the C99 variadic
1558 * macros.
5b692037
JH		 1559 */
1560
1208b3dd
JH		 1561/* Note that we do not check against snprintf()/vsnprintf() returning
1562 * negative values because that is non-standard behaviour and we use
1563 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1564 * that should be true only if the snprintf()/vsnprintf() are true
1565 * to the standard. */
1566
e8549682
JH		 1567#define PERL_SNPRINTF_CHECK(len, max, api) STMT_START { if ((max) > 0 && (Size_t)len >= (max)) Perl_croak_nocontext("panic: %s buffer overflow", STRINGIFY(api)); } STMT_END
1568
a4eca1d4
JH		 1569#ifdef USE_QUADMATH
1570# define my_snprintf Perl_my_snprintf
1571# define PERL_MY_SNPRINTF_GUARDED
1572#else
dfeee9b1 1573#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1574# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1575# define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1208b3dd 1576# define PERL_MY_SNPRINTF_GUARDED
5b692037 1577# else
e8549682 1578# define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
5b692037
JH		 1579# endif
1580#else
1581# define my_snprintf Perl_my_snprintf
1208b3dd 1582# define PERL_MY_SNPRINTF_GUARDED
5b692037 1583#endif
a4eca1d4 1584#endif
5b692037 1585
a4eca1d4
JH		 1586/* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1587 * dies if called under USE_QUADMATH. */
dfeee9b1 1588#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1589# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1590# define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1208b3dd 1591# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1592# else
e8549682 1593# define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
5b692037
JH		 1594# endif
1595#else
1596# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1597# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1598#endif
d9fad198 1599
e8549682
JH		 1600/* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1601 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1602 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1603 * completely ignore it: otherwise you cannot know whether your output
1604 * was too long.)
1605 *
1606 * int len = my_sprintf(buf, max, ...);
1607 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1608 *
1609 * The trick is that in certain platforms [a] the my_sprintf() already
1610 * contains the sanity check, while in certain platforms [b] it needs
1611 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1612 * platforms the POST_GUARD actually does nothing since the check has
1613 * already been done. Watch out for the max being the same in both calls.
1614 *
1615 * If you actually use the snprintf/vsnprintf return value already,
1616 * you assumedly are checking its validity somehow. But you can
1617 * insert the POST_GUARD() also in that case. */
1618
1619#ifndef PERL_MY_SNPRINTF_GUARDED
1620# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1621#else
1622# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1623#endif
1624
1625#ifndef PERL_MY_VSNPRINTF_GUARDED
1626# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1627#else
1628# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1629#endif
1630
a6cc4119
SP		 1631#ifdef HAS_STRLCAT
1632# define my_strlcat strlcat
1633#else
1634# define my_strlcat Perl_my_strlcat
1635#endif
1636
1637#ifdef HAS_STRLCPY
1638# define my_strlcpy strlcpy
1639#else
1640# define my_strlcpy Perl_my_strlcpy
1641#endif
1642
05f13f53 1643/*
27d4fb96 1644 The IV type is supposed to be long enough to hold any integral
1645 value or a pointer.
1646 --Andy Dougherty August 1996
1647*/
1648
a22e52b9
JH		 1649typedef IVTYPE IV;
1650typedef UVTYPE UV;
8175356b 1651
10cc9d2a 1652#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1653# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1654# define IV_MAX INT64_MAX
1655# define IV_MIN INT64_MIN
1656# define UV_MAX UINT64_MAX
cae7ae48
JH		 1657# ifndef UINT64_MIN
1658# define UINT64_MIN 0
1659# endif
5ff3f7a4
GS		 1660# define UV_MIN UINT64_MIN
1661# else
1662# define IV_MAX PERL_QUAD_MAX
1663# define IV_MIN PERL_QUAD_MIN
1664# define UV_MAX PERL_UQUAD_MAX
1665# define UV_MIN PERL_UQUAD_MIN
1666# endif
cf2093f6
JH		 1667# define IV_IS_QUAD
1668# define UV_IS_QUAD
79072805 1669#else
8175356b 1670# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1671# define IV_MAX INT32_MAX
1672# define IV_MIN INT32_MIN
716026f9
DL		 1673# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1674# define UV_MAX UINT32_MAX
1675# else
1676# define UV_MAX 4294967295U
1677# endif
cae7ae48
JH		 1678# ifndef UINT32_MIN
1679# define UINT32_MIN 0
1680# endif
5ff3f7a4
GS		 1681# define UV_MIN UINT32_MIN
1682# else
1683# define IV_MAX PERL_LONG_MAX
1684# define IV_MIN PERL_LONG_MIN
1685# define UV_MAX PERL_ULONG_MAX
1686# define UV_MIN PERL_ULONG_MIN
1687# endif
8175356b 1688# if IVSIZE == 8
cf2093f6
JH		 1689# define IV_IS_QUAD
1690# define UV_IS_QUAD
de1c2614
JH		 1691# ifndef HAS_QUAD
1692# define HAS_QUAD
1693# endif
cf2093f6
JH		 1694# else
1695# undef IV_IS_QUAD
1696# undef UV_IS_QUAD
9ea40801 1697#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1698/* We think that removing this decade-old undef this will cause too much
1699 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1700 However, we do need HAS_QUAD in the core for use by the drand48 code,
1701 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1702# undef HAS_QUAD
e25d460c 1703#endif
cf2093f6 1704# endif
79072805 1705#endif
d7d93a81 1706
6313e544
JH		 1707#define Size_t_MAX (~(Size_t)0)
1708#define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
9a543cee 1709
cae7ae48 1710#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1711#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1712
28e5dec8 1713#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1714#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1715#endif
1716
d460ef45 1717/*
26bb67e2
JH		 1718 * The macros INT2PTR and NUM2PTR are (despite their names)
1719 * bi-directional: they will convert int/float to or from pointers.
1720 * However the conversion to int/float are named explicitly:
1721 * PTR2IV, PTR2UV, PTR2NV.
1722 *
1723 * For int conversions we do not need two casts if pointers are
1724 * the same size as IV and UV. Otherwise we need an explicit
1725 * cast (PTRV) to avoid compiler warnings.
1726 */
56431972
RB		 1727#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1728# define PTRV UV
1729# define INT2PTR(any,d) (any)(d)
1730#else
d460ef45 1731# if PTRSIZE == LONGSIZE
56431972 1732# define PTRV unsigned long
e91e3b10 1733# define PTR2ul(p) (unsigned long)(p)
42718184 1734# else
56431972 1735# define PTRV unsigned
42718184 1736# endif
e91e3b10
RB		 1737#endif
1738
1739#ifndef INT2PTR
56431972 1740# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1741#endif
e91e3b10
RB		 1742
1743#ifndef PTR2ul
1744# define PTR2ul(p) INT2PTR(unsigned long,p)
1745#endif
1746
56431972
RB		 1747#define NUM2PTR(any,d) (any)(PTRV)(d)
1748#define PTR2IV(p) INT2PTR(IV,p)
1749#define PTR2UV(p) INT2PTR(UV,p)
1750#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1751#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1752
8141890a
JH		 1753/* According to strict ANSI C89 one cannot freely cast between
1754 * data pointers and function (code) pointers. There are at least
1755 * two ways around this. One (used below) is to do two casts,
1756 * first the other pointer to an (unsigned) integer, and then
1757 * the integer to the other pointer. The other way would be
1758 * to use unions to "overlay" the pointers. For an example of
1759 * the latter technique, see union dirpu in struct xpvio in sv.h.
1760 * The only feasible use is probably temporarily storing
1761 * function pointers in a data pointer (such as a void pointer). */
1762
e91e3b10
RB		 1763#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1764#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1765
65202027 1766#ifdef USE_LONG_DOUBLE
f3654d06
JH		 1767# if LONG_DOUBLESIZE == DOUBLESIZE
1768# define LONG_DOUBLE_EQUALS_DOUBLE
1769# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1770# endif
1771#endif
1772
2d4389e4
JH		 1773#ifdef OVR_DBL_DIG
1774/* Use an overridden DBL_DIG */
1775# ifdef DBL_DIG
1776# undef DBL_DIG
1777# endif
1778# define DBL_DIG OVR_DBL_DIG
1779#else
1780/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1781 default value for printing floating point numbers in Gconvert
1782 (see config.h). (It also has other uses, such as figuring out if
1783 a given precision of printing can be done with a double instead of
1784 a long double - Allen).
2d4389e4
JH		 1785*/
1786#ifdef I_LIMITS
1787#include <limits.h>
1788#endif
1789#ifdef I_FLOAT
1790#include <float.h>
1791#endif
1792#ifndef HAS_DBL_DIG
1793#define DBL_DIG 15 /* A guess that works lots of places */
1794#endif
1795#endif
1796
1797#ifdef OVR_LDBL_DIG
1798/* Use an overridden LDBL_DIG */
1799# ifdef LDBL_DIG
1800# undef LDBL_DIG
1801# endif
1802# define LDBL_DIG OVR_LDBL_DIG
1803#else
1804/* The following is all to get LDBL_DIG, in order to pick a nice
1805 default value for printing floating point numbers in Gconvert.
1806 (see config.h)
1807*/
68d4903c
JH		 1808# ifdef I_LIMITS
1809# include <limits.h>
1810# endif
1811# ifdef I_FLOAT
1812# include <float.h>
1813# endif
1814# ifndef HAS_LDBL_DIG
1815# if LONG_DOUBLESIZE == 10
1816# define LDBL_DIG 18 /* assume IEEE */
1817# else
1818# if LONG_DOUBLESIZE == 12
1819# define LDBL_DIG 18 /* gcc? */
1820# else
1821# if LONG_DOUBLESIZE == 16
1822# define LDBL_DIG 33 /* assume IEEE */
1823# else
1824# if LONG_DOUBLESIZE == DOUBLESIZE
1825# define LDBL_DIG DBL_DIG /* bummer */
1826# endif
1827# endif
1828# endif
1829# endif
1830# endif
2d4389e4
JH		 1831#endif
1832
20f6aaab
AS		 1833/*
1834 * This is for making sure we have a good DBL_MAX value, if possible,
1835 * either for usage as NV_MAX or for usage in figuring out if we can
1836 * fit a given long double into a double, if bug-fixing makes it
1837 * necessary to do so. - Allen <allens@cpan.org>
1838 */
1839
205f51d8
AS		 1840#ifdef I_LIMITS
1841# include <limits.h>
20f6aaab
AS		 1842#endif
1843
205f51d8
AS		 1844#ifdef I_VALUES
1845# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1846# include <values.h>
1847# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1848# define DBL_MAX MAXDOUBLE
1849# endif
1850# if defined(MINDOUBLE) && !defined(DBL_MIN)
1851# define DBL_MIN MINDOUBLE
1852# endif
1853# endif
1854#endif /* defined(I_VALUES) */
1855
a22e52b9 1856typedef NVTYPE NV;
8175356b 1857
792d8dab
JH		 1858#ifdef I_IEEEFP
1859# include <ieeefp.h>
1860#endif
923fc586 1861
c32c3de1
JH		 1862#ifdef USING_MSVC6
1863/* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1864 * and for example NaN < IV_MIN. */
bcd8bfa9
JH		 1865# define NAN_COMPARE_BROKEN
1866#endif
1867#if defined(__DECC) && defined(__osf__)
1868/* Also Tru64 cc has broken NaN comparisons. */
1869# define NAN_COMPARE_BROKEN
c32c3de1 1870#endif
6504068e
JH		 1871#if defined(__sgi)
1872# define NAN_COMPARE_BROKEN
1873#endif
c32c3de1 1874
65202027 1875#ifdef USE_LONG_DOUBLE
923fc586
JH		 1876# ifdef I_SUNMATH
1877# include <sunmath.h>
1878# endif
84e6cb05 1879# if defined(LDBL_DIG)
05b4a618
JH		 1880# define NV_DIG LDBL_DIG
1881# ifdef LDBL_MANT_DIG
1882# define NV_MANT_DIG LDBL_MANT_DIG
1883# endif
1884# ifdef LDBL_MIN
1885# define NV_MIN LDBL_MIN
1886# endif
1887# ifdef LDBL_MAX
1888# define NV_MAX LDBL_MAX
1889# endif
1890# ifdef LDBL_MIN_EXP
1891# define NV_MIN_EXP LDBL_MIN_EXP
1892# endif
1893# ifdef LDBL_MAX_EXP
1894# define NV_MAX_EXP LDBL_MAX_EXP
1895# endif
1896# ifdef LDBL_MIN_10_EXP
1897# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1898# endif
1899# ifdef LDBL_MAX_10_EXP
1900# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1901# endif
1902# ifdef LDBL_EPSILON
1903# define NV_EPSILON LDBL_EPSILON
1904# endif
1905# ifdef LDBL_MAX
1906# define NV_MAX LDBL_MAX
20f6aaab 1907/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62 1908# else
05b4a618
JH		 1909# ifdef HUGE_VALL
1910# define NV_MAX HUGE_VALL
f4a14a62
JH		 1911# endif
1912# endif
1913# endif
84e6cb05 1914# if defined(HAS_SQRTL)
8a00eddc
JH		 1915# define Perl_acos acosl
1916# define Perl_asin asinl
1917# define Perl_atan atanl
940e3d56
JH		 1918# define Perl_atan2 atan2l
1919# define Perl_ceil ceill
1920# define Perl_cos cosl
8a00eddc 1921# define Perl_cosh coshl
940e3d56 1922# define Perl_exp expl
55da5e5b 1923/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH		 1924# define Perl_floor floorl
1925# define Perl_fmod fmodl
1926# define Perl_log logl
8a00eddc 1927# define Perl_log10 log10l
940e3d56
JH		 1928# define Perl_pow powl
1929# define Perl_sin sinl
8a00eddc 1930# define Perl_sinh sinhl
940e3d56 1931# define Perl_sqrt sqrtl
8a00eddc
JH		 1932# define Perl_tan tanl
1933# define Perl_tanh tanhl
68d4903c 1934# endif
a3540c92 1935/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
05b4a618
JH		 1936# ifndef Perl_modf
1937# ifdef HAS_MODFL
1938# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1939/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1940 prototype in <math.h> */
05b4a618 1941# ifndef HAS_MODFL_PROTO
a221a8a5 1942EXTERN_C long double modfl(long double, long double *);
05b4a618
JH		 1943# endif
1944# elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
55954f19 1945 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e 1946# define Perl_modf(x,y) Perl_my_modfl(x,y)
05b4a618 1947# endif
a3540c92 1948# endif
05b4a618
JH		 1949# ifndef Perl_frexp
1950# ifdef HAS_FREXPL
1951# define Perl_frexp(x,y) frexpl(x,y)
1952# else
1953# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1954extern long double Perl_my_frexpl(long double x, int *e);
1955# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1956# endif
03476e8e 1957# endif
a3540c92 1958# endif
05b4a618
JH		 1959# ifndef Perl_ldexp
1960# ifdef HAS_LDEXPL
1961# define Perl_ldexp(x, y) ldexpl(x,y)
1962# else
1963# if defined(HAS_SCALBNL) && FLT_RADIX == 2
1964# define Perl_ldexp(x,y) scalbnl(x,y)
1965# endif
98181445
JH		 1966# endif
1967# endif
38dbb4c5 1968# ifndef Perl_isnan
e4c957f4 1969# if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
758a5d79 1970# define Perl_isnan(x) isnanl(x)
a1115378
JH		 1971# elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1972# define Perl_isnan(x) isnan(x)
758a5d79
JH		 1973# endif
1974# endif
1975# ifndef Perl_isinf
e4c957f4 1976# if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
87190886 1977# define Perl_isinf(x) isinfl(x)
a1115378
JH		 1978# elif defined(__sgi) && defined(__c99) /* XXX Configure test needed */
1979# define Perl_isinf(x) isinf(x)
bcd8bfa9 1980# elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 1981# define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
a3540c92
JH		 1982# endif
1983# endif
e38461cc
JH		 1984# ifndef Perl_isfinite
1985# define Perl_isfinite(x) Perl_isfinitel(x)
1986# endif
84e6cb05
JH		 1987#elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1988# include <quadmath.h>
1989# define NV_DIG FLT128_DIG
1990# define NV_MANT_DIG FLT128_MANT_DIG
1991# define NV_MIN FLT128_MIN
1992# define NV_MAX FLT128_MAX
1993# define NV_MIN_EXP FLT128_MIN_EXP
1994# define NV_MAX_EXP FLT128_MAX_EXP
1995# define NV_EPSILON FLT128_EPSILON
1996# define NV_MIN_10_EXP FLT128_MIN_10_EXP
1997# define NV_MAX_10_EXP FLT128_MAX_10_EXP
84e6cb05
JH		 1998# define Perl_acos acosq
1999# define Perl_asin asinq
2000# define Perl_atan atanq
2001# define Perl_atan2 atan2q
2002# define Perl_ceil ceilq
2003# define Perl_cos cosq
2004# define Perl_cosh coshq
2005# define Perl_exp expq
2006/* no Perl_fabs, but there's PERL_ABS */
2007# define Perl_floor floorq
2008# define Perl_fmod fmodq
2009# define Perl_log logq
2010# define Perl_log10 log10q
2011# define Perl_pow powq
2012# define Perl_sin sinq
2013# define Perl_sinh sinhq
2014# define Perl_sqrt sqrtq
2015# define Perl_tan tanq
2016# define Perl_tanh tanhq
2017# define Perl_modf(x,y) modfq(x,y)
2018# define Perl_frexp(x,y) frexpq(x,y)
2019# define Perl_ldexp(x, y) ldexpq(x,y)
2020# define Perl_isinf(x) isinfq(x)
2021# define Perl_isnan(x) isnanq(x)
2022# define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
65202027 2023#else
2d4389e4 2024# define NV_DIG DBL_DIG
d6c14000
JH		 2025# ifdef DBL_MANT_DIG
2026# define NV_MANT_DIG DBL_MANT_DIG
2027# endif
06fc1729
JH		 2028# ifdef DBL_MIN
2029# define NV_MIN DBL_MIN
2030# endif
2031# ifdef DBL_MAX
2032# define NV_MAX DBL_MAX
2033# endif
40bca5ae
JH		 2034# ifdef DBL_MIN_EXP
2035# define NV_MIN_EXP DBL_MIN_EXP
2036# endif
2037# ifdef DBL_MAX_EXP
2038# define NV_MAX_EXP DBL_MAX_EXP
2039# endif
06fc1729
JH		 2040# ifdef DBL_MIN_10_EXP
2041# define NV_MIN_10_EXP DBL_MIN_10_EXP
2042# endif
2043# ifdef DBL_MAX_10_EXP
2044# define NV_MAX_10_EXP DBL_MAX_10_EXP
2045# endif
2046# ifdef DBL_EPSILON
2047# define NV_EPSILON DBL_EPSILON
2048# endif
205f51d8 2049# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2050# define NV_MAX DBL_MAX
2051# define NV_MIN DBL_MIN
2052# else
2053# ifdef HUGE_VAL
2054# define NV_MAX HUGE_VAL
2055# endif
2056# endif
940e3d56 2057
55da5e5b 2058/* These math interfaces are C89. */
8a00eddc
JH		 2059# define Perl_acos acos
2060# define Perl_asin asin
2061# define Perl_atan atan
940e3d56
JH		 2062# define Perl_atan2 atan2
2063# define Perl_ceil ceil
2064# define Perl_cos cos
8a00eddc 2065# define Perl_cosh cosh
940e3d56 2066# define Perl_exp exp
55da5e5b 2067/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH		 2068# define Perl_floor floor
2069# define Perl_fmod fmod
2070# define Perl_log log
8a00eddc 2071# define Perl_log10 log10
940e3d56
JH		 2072# define Perl_pow pow
2073# define Perl_sin sin
8a00eddc 2074# define Perl_sinh sinh
940e3d56 2075# define Perl_sqrt sqrt
8a00eddc
JH		 2076# define Perl_tan tan
2077# define Perl_tanh tanh
940e3d56
JH		 2078
2079# define Perl_modf(x,y) modf(x,y)
2080# define Perl_frexp(x,y) frexp(x,y)
2081# define Perl_ldexp(x,y) ldexp(x,y)
2082
1a322af2
JH		 2083# ifndef Perl_isnan
2084# ifdef HAS_ISNAN
2085# define Perl_isnan(x) isnan(x)
2086# endif
2087# endif
2088# ifndef Perl_isinf
2089# if defined(HAS_ISINF)
2090# define Perl_isinf(x) isinf(x)
bcd8bfa9 2091# elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 2092# define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
1a322af2
JH		 2093# endif
2094# endif
2095# ifndef Perl_isfinite
2096# ifdef HAS_ISFINITE
2097# define Perl_isfinite(x) isfinite(x)
2098# elif defined(HAS_FINITE)
2099# define Perl_isfinite(x) finite(x)
2100# endif
2101# endif
758a5d79
JH		 2102#endif
2103
30404d48
JH		 2104/* fpclassify(): C99. It is supposed to be a macro that switches on
2105* the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2106#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2107# include <math.h>
25c46df8
JH		 2108# if defined(FP_INFINITE) && defined(FP_NAN)
2109# define Perl_fp_class(x) fpclassify(x)
2110# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2111# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2112# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2113# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2114# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2115# elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2116/* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2117 * actually not the C99 fpclassify, with its own set of return defines. */
2118# define Perl_fp_class(x) fpclassify(x)
2119# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2120# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
82947af8 2121# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
25c46df8
JH		 2122# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2123# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1ae51000 2124# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
25c46df8
JH		 2125# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2126# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2127# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2128# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2129# else
2130# undef Perl_fp_class /* Unknown set of defines */
2131# endif
30404d48
JH		 2132#endif
2133
25c46df8
JH		 2134/* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2135 * are identical to the C99 fpclassify(). */
2136#if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2137# include <math.h>
558f3e66
CB		 2138# ifdef __VMS
2139 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2140# include <fp.h>
56610b8f
CB		 2141 /* oh, and the isnormal macro has a typo in it! */
2142# undef isnormal
2143# define isnormal(x) Perl_fp_class_norm(x)
558f3e66 2144# endif
25c46df8
JH		 2145# if defined(FP_INFINITE) && defined(FP_NAN)
2146# define Perl_fp_class(x) fp_classify(x)
2147# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2148# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2149# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2150# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2151# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2152# else
2153# undef Perl_fp_class /* Unknown set of defines */
2154# endif
f279e099 2155#endif
205f51d8 2156
30404d48
JH		 2157/* Feel free to check with me for the SGI manpages, SGI testing,
2158 * etcetera, if you want to try getting this to work with IRIX.
2159 *
2160 * - Allen <allens@cpan.org> */
2161
2162/* fpclass(): SysV, at least Solaris and some versions of IRIX. */
758a5d79 2163#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
25c46df8
JH		 2164/* Solaris and IRIX have fpclass/fpclassl, but they are using
2165 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2166 * Define some symbols also as cpp symbols so we can detect them. */
033a6f7a 2167# if defined(__sun) || defined(__sgi) /* XXX Configure test instead */
25c46df8
JH		 2168# define FP_PINF FP_PINF
2169# define FP_QNAN FP_QNAN
2170# endif
f279e099 2171# include <math.h>
758a5d79
JH		 2172# ifdef I_IEEFP
2173# include <ieeefp.h>
2174# endif
2175# ifdef I_FP
2176# include <fp.h>
2177# endif
2178# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
f279e099 2179# define Perl_fp_class(x) fpclassl(x)
758a5d79 2180# else
f279e099
JH		 2181# define Perl_fp_class(x) fpclass(x)
2182# endif
25c46df8 2183# if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
f279e099
JH		 2184# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2185# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2186# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2187# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2188# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2189# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2190# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2191# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2192# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2193# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
25c46df8 2194# elif defined(FP_PINF) && defined(FP_QNAN)
f279e099
JH		 2195# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2196# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2197# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2198# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2199# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2200# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2201# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2202# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2203# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2204# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
25c46df8
JH		 2205# else
2206# undef Perl_fp_class /* Unknown set of defines */
758a5d79 2207# endif
758a5d79
JH		 2208#endif
2209
30404d48
JH		 2210/* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2211#if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
758a5d79
JH		 2212# include <math.h>
2213# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2214# include <fp_class.h>
2215# endif
25c46df8 2216# if defined(FP_POS_INF) && defined(FP_QNAN)
033a6f7a 2217# ifdef __sgi /* XXX Configure test instead */
25c46df8
JH		 2218# ifdef USE_LONG_DOUBLE
2219# define Perl_fp_class(x) fp_class_l(x)
2220# else
2221# define Perl_fp_class(x) fp_class_d(x)
2222# endif
f279e099 2223# else
25c46df8
JH		 2224# if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2225# define Perl_fp_class(x) fp_classl(x)
2226# else
2227# define Perl_fp_class(x) fp_class(x)
2228# endif
f279e099 2229# endif
25c46df8
JH		 2230# if defined(FP_POS_INF) && defined(FP_QNAN)
2231# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2232# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2233# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2234# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2235# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2236# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2237# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2238# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2239# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2240# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
30404d48 2241# else
25c46df8 2242# undef Perl_fp_class /* Unknown set of defines */
30404d48 2243# endif
f279e099 2244# endif
30404d48
JH		 2245#endif
2246
052758ae 2247/* class(), _class(): Legacy: AIX. */
758a5d79
JH		 2248#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2249# include <math.h>
25c46df8
JH		 2250# if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2251# ifndef _cplusplus
2252# define Perl_fp_class(x) class(x)
2253# else
2254# define Perl_fp_class(x) _class(x)
2255# endif
2256# if defined(FP_PLUS_INF) && defined(FP_NANQ)
2257# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2258# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2259# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2260# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2261# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2262# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2263# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2264# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2265# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2266# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2267# else
2268# undef Perl_fp_class /* Unknown set of defines */
2269# endif
758a5d79 2270# endif
30404d48
JH		 2271#endif
2272
2273/* Win32: _fpclass(), _isnan(), _finite(). */
796ea9ea
JH		 2274#ifdef WIN32
2275# ifndef Perl_isnan
2276# define Perl_isnan(x) _isnan(x)
2277# endif
2278# ifndef Perl_isfinite
2279# define Perl_isfinite(x) _finite(x)
2280# endif
2281# ifndef Perl_fp_class_snan
25c46df8
JH		 2282/* No simple way to #define Perl_fp_class because _fpclass()
2283 * returns a set of bits. */
796ea9ea
JH		 2284# define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2285# define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
82947af8 2286# define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
796ea9ea
JH		 2287# define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2288# define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2289# define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2290# define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2291# define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2292# define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2293# define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2294# define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2295# define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2296# define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2297# define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2298# define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2299# endif
f279e099
JH		 2300#endif
2301
2302#if !defined(Perl_fp_class_inf) && \
2303 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2304# define Perl_fp_class_inf(x) \
2305 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2306#endif
2307
2308#if !defined(Perl_fp_class_nan) && \
2309 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2310# define Perl_fp_class_nan(x) \
2311 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2312#endif
2313
2314#if !defined(Perl_fp_class_zero) && \
2315 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2316# define Perl_fp_class_zero(x) \
2317 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2318#endif
2319
2320#if !defined(Perl_fp_class_norm) && \
2321 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2322# define Perl_fp_class_norm(x) \
2323 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2324#endif
2325
2326#if !defined(Perl_fp_class_denorm) && \
2327 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2328# define Perl_fp_class_denorm(x) \
2329 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
796ea9ea 2330#endif
758a5d79 2331
1a322af2
JH		 2332#ifdef UNDER_CE
2333int isnan(double d);
2334#endif
2335
758a5d79 2336#ifndef Perl_isnan
1a322af2
JH		 2337# ifdef Perl_fp_class_nan
2338# define Perl_isnan(x) Perl_fp_class_nan(x)
758a5d79 2339# else
1a322af2
JH		 2340# ifdef HAS_UNORDERED
2341# define Perl_isnan(x) unordered((x), 0.0)
758a5d79 2342# else
1a322af2 2343# define Perl_isnan(x) ((x)!=(x))
758a5d79
JH		 2344# endif
2345# endif
2346#endif
2347
1a322af2
JH		 2348#ifndef Perl_isinf
2349# ifdef Perl_fp_class_inf
2350# define Perl_isinf(x) Perl_fp_class_inf(x)
2351# endif
ca6c63e1
JH		 2352#endif
2353
758a5d79 2354#ifndef Perl_isfinite
25c46df8 2355# if defined(HAS_ISFINITE) && !defined(isfinite)
c496ca58 2356# define Perl_isfinite(x) isfinite((double)(x))
4efd38a4 2357# elif defined(HAS_FINITE)
c496ca58 2358# define Perl_isfinite(x) finite((double)(x))
4efd38a4
JH		 2359# elif defined(Perl_fp_class_finite)
2360# define Perl_isfinite(x) Perl_fp_class_finite(x)
758a5d79 2361# else
c496ca58
JH		 2362/* For the infinities the multiplication returns nan,
2363 * for the nan the multiplication also returns nan,
2364 * for everything else (that is, finite) zero should be returned. */
4efd38a4 2365# define Perl_isfinite(x) (((x) * 0) == 0)
a3540c92 2366# endif
65202027
DS		 2367#endif
2368
25c46df8
JH		 2369#ifndef Perl_isinf
2370# if defined(Perl_isfinite) && defined(Perl_isnan)
2371# define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2372# endif
2373#endif
2374
d3685250
JH		 2375/* We need Perl_isfinitel (ends with ell) (if available) even when
2376 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2377 * needs that. */
2378#if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2379/* If isfinite() is a macro and looks like we have C99,
2380 * we assume it's the type-aware C99 isfinite(). */
c06e9e3e 2381# if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
d3685250
JH		 2382# define Perl_isfinitel(x) isfinite(x)
2383# elif defined(HAS_ISFINITEL)
2384# define Perl_isfinitel(x) isfinitel(x)
2385# elif defined(HAS_FINITEL)
2386# define Perl_isfinitel(x) finitel(x)
2387# elif defined(HAS_INFL) && defined(HAS_NANL)
2388# define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
16334e6e 2389# else
99bf9e32 2390# define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
d3685250
JH		 2391# endif
2392#endif
2393
a36244b7
JH		 2394/* The default is to use Perl's own atof() implementation (in numeric.c).
2395 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2396 * it is however best to use the native implementation of atof.
2397 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2398 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2399 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2400 * you may need to be using a different function than atof! */
a36244b7
JH		 2401
2402#ifndef USE_PERL_ATOF
2403# ifndef _UNICOS
2404# define USE_PERL_ATOF
2405# endif
2406#else
2407# if USE_PERL_ATOF == 0
2408# undef USE_PERL_ATOF
2409# endif
2410#endif
2411
2412#ifdef USE_PERL_ATOF
2413# define Perl_atof(s) Perl_my_atof(s)
2414# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2415#else
2416# define Perl_atof(s) (NV)atof(s)
2417# define Perl_atof2(s, n) ((n) = atof(s))
2418#endif
cf2093f6 2419
d460ef45 2420/* Previously these definitions used hardcoded figures.
760ac839
LW		 2421 * It is hoped these formula are more portable, although
2422 * no data one way or another is presently known to me.
2423 * The "PERL_" names are used because these calculated constants
2424 * do not meet the ANSI requirements for LONG_MAX, etc., which
2425 * need to be constants acceptable to #if - kja
2426 * define PERL_LONG_MAX 2147483647L
2427 * define PERL_LONG_MIN (-LONG_MAX - 1)
2428 * define PERL ULONG_MAX 4294967295L
2429 */
2430
2431#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2432# include <limits.h>
760ac839 2433#endif
205f51d8 2434/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2435 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2436
99abf803 2437/*
2438 * Try to figure out max and min values for the integral types. THE CORRECT
2439 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2440 * following hacks are used if neither limits.h or values.h provide them:
2441 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2442 * for types < int: (unsigned TYPE)~(unsigned)0
2443 * The argument to ~ must be unsigned so that later signed->unsigned
2444 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2445 * and it must not be smaller than int because ~ does integral promotion.
2446 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2447 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2448 * The latter is a hack which happens to work on some machines but
2449 * does *not* catch any random system, or things like integer types
2450 * with NaN if that is possible.
2451 *
2452 * All of the types are explicitly cast to prevent accidental loss of
2453 * numeric range, and in the hope that they will be less likely to confuse
2454 * over-eager optimizers.
2455 *
2456 */
27d4fb96 2457
99abf803 2458#define PERL_UCHAR_MIN ((unsigned char)0)
2459
2460#ifdef UCHAR_MAX
2461# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2462#else
99abf803 2463# ifdef MAXUCHAR
2464# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2465# else
99abf803 2466# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2467# endif
2468#endif
d460ef45 2469
99abf803 2470/*
2471 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2472 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2473 * depending on local options. Until Configure detects this (or at least
2474 * detects whether the "signed" keyword is available) the CHAR ranges
2475 * will not be included. UCHAR functions normally.
2476 * - kja
2477 */
27d4fb96 2478
99abf803 2479#define PERL_USHORT_MIN ((unsigned short)0)
2480
2481#ifdef USHORT_MAX
2482# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2483#else
99abf803 2484# ifdef MAXUSHORT
2485# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2486# else
ef2f54b0
CB		 2487# ifdef USHRT_MAX
2488# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2489# else
2490# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2491# endif
27d4fb96 2492# endif
2493#endif
2494
27d4fb96 2495#ifdef SHORT_MAX
99abf803 2496# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2497#else
2498# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2499# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2500# else
ef2f54b0
CB		 2501# ifdef SHRT_MAX
2502# define PERL_SHORT_MAX ((short)SHRT_MAX)
2503# else
2504# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2505# endif
27d4fb96 2506# endif
2507#endif
2508
2509#ifdef SHORT_MIN
99abf803 2510# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2511#else
2512# ifdef MINSHORT
99abf803 2513# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2514# else
ef2f54b0
CB		 2515# ifdef SHRT_MIN
2516# define PERL_SHORT_MIN ((short)SHRT_MIN)
2517# else
2518# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2519# endif
27d4fb96 2520# endif
2521#endif
2522
99abf803 2523#ifdef UINT_MAX
2524# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2525#else
99abf803 2526# ifdef MAXUINT
2527# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2528# else
99abf803 2529# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2530# endif
2531#endif
2532
99abf803 2533#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2534
2535#ifdef INT_MAX
99abf803 2536# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2537#else
2538# ifdef MAXINT /* Often used in <values.h> */
99abf803 2539# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2540# else
99abf803 2541# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2542# endif
2543#endif
2544
2545#ifdef INT_MIN
99abf803 2546# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2547#else
2548# ifdef MININT
99abf803 2549# define PERL_INT_MIN ((int)MININT)
27d4fb96 2550# else
2551# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2552# endif
2553#endif
2554
99abf803 2555#ifdef ULONG_MAX
2556# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2557#else
99abf803 2558# ifdef MAXULONG
2559# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2560# else
99abf803 2561# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2562# endif
2563#endif
2564
99abf803 2565#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2566
760ac839 2567#ifdef LONG_MAX
99abf803 2568# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2569#else
2570# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2571# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2572# else
99abf803 2573# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2574# endif
2575#endif
2576
2577#ifdef LONG_MIN
99abf803 2578# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2579#else
2580# ifdef MINLONG
99abf803 2581# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2582# else
27d4fb96 2583# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2584# endif
2585#endif
2586
d7d93a81 2587#ifdef UV_IS_QUAD
99abf803 2588
99abf803 2589# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2590# define PERL_UQUAD_MIN ((UV)0)
99abf803 2591# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2592# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2593
79072805
LW		 2594#endif
2595
ee0007ab 2596typedef MEM_SIZE STRLEN;
450a55e4 2597
79072805
LW		 2598typedef struct op OP;
2599typedef struct cop COP;
2600typedef struct unop UNOP;
2f7c6295 2601typedef struct unop_aux UNOP_AUX;
79072805
LW		 2602typedef struct binop BINOP;
2603typedef struct listop LISTOP;
2604typedef struct logop LOGOP;
79072805
LW		 2605typedef struct pmop PMOP;
2606typedef struct svop SVOP;
7934575e 2607typedef struct padop PADOP;
79072805 2608typedef struct pvop PVOP;
79072805 2609typedef struct loop LOOP;
b46e009d 2610typedef struct methop METHOP;
79072805 2611
7aef8e5b 2612#ifdef PERL_CORE
8be227ab
FC		 2613typedef struct opslab OPSLAB;
2614typedef struct opslot OPSLOT;
2615#endif
2616
52db365a 2617typedef struct block_hooks BHK;
1830b3d9 2618typedef struct custom_op XOP;
52db365a 2619
cd1541b2
NC		 2620typedef struct interpreter PerlInterpreter;
2621
d2b3f365 2622/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2623#if defined(__sgi)
d2b3f365 2624# define STRUCT_SV perl_sv
b8d3c5db
JH		 2625#else
2626# define STRUCT_SV sv
2627#endif
2628typedef struct STRUCT_SV SV;
79072805
LW		 2629typedef struct av AV;
2630typedef struct hv HV;
2631typedef struct cv CV;
d2f13c59 2632typedef struct p5rx REGEXP;
79072805 2633typedef struct gp GP;
0c30d9ec 2634typedef struct gv GV;
8990e307 2635typedef struct io IO;
c09156bb 2636typedef struct context PERL_CONTEXT;
79072805
LW		 2637typedef struct block BLOCK;
2638
2639typedef struct magic MAGIC;
2640typedef struct xpv XPV;
2641typedef struct xpviv XPVIV;
ff68c719 2642typedef struct xpvuv XPVUV;
79072805
LW		 2643typedef struct xpvnv XPVNV;
2644typedef struct xpvmg XPVMG;
2645typedef struct xpvlv XPVLV;
d361b004 2646typedef struct xpvinvlist XINVLIST;
79072805
LW		 2647typedef struct xpvav XPVAV;
2648typedef struct xpvhv XPVHV;
2649typedef struct xpvgv XPVGV;
2650typedef struct xpvcv XPVCV;
2651typedef struct xpvbm XPVBM;
2652typedef struct xpvfm XPVFM;
8990e307 2653typedef struct xpvio XPVIO;
79072805
LW		 2654typedef struct mgvtbl MGVTBL;
2655typedef union any ANY;
5f7fde29
GS		 2656typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2657typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2658typedef struct clone_params CLONE_PARAMS;
2659
0f94cb1f 2660/* a pad is currently just an AV; but that might change,
7261499d
FC		 2661 * so hide the type. */
2662typedef struct padlist PADLIST;
67634234 2663typedef AV PAD;
9b7476d7 2664typedef struct padnamelist PADNAMELIST;
0f94cb1f 2665typedef struct padname PADNAME;
67634234 2666
93c10d60
FC		 2667/* enable PERL_COPY_ON_WRITE by default */
2668#if !defined(PERL_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2669# define PERL_COPY_ON_WRITE
13b0f67d 2670#endif
07d01d6e 2671
93c10d60 2672#ifdef PERL_COPY_ON_WRITE
db2c6cb3 2673# define PERL_ANY_COW
9f351b45
DM		 2674#else
2675# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2676#endif
2677
40653c20
FC		 2678#if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2679# error PERL_DEBUG_READONLY_OPS only works with ithreads
2680#endif
2681
378cc40b 2682#include "handy.h"
64935bc6 2683#include "charclass_invlists.h"
a0d0e21e 2684
6b8eaf93 2685#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2686# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2687# define USE_64_BIT_RAWIO /* implicit */
2688# endif
4564133c
JH		 2689#endif
2690
6b8eaf93
JH		 2691/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2692 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2693 * however, because operating systems like to do that themself. */
2694#ifndef FSEEKSIZE
2695# ifdef HAS_FSEEKO
2696# define FSEEKSIZE LSEEKSIZE
2697# else
2698# define FSEEKSIZE LONGSIZE
d460ef45 2699# endif
6b8eaf93
JH		 2700#endif
2701
2702#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2703# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2704# define USE_64_BIT_STDIO /* implicit */
2705# endif
2706#endif
4564133c 2707
09458382 2708#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2709# ifdef HAS_OFF64_T
2710# undef Off_t
2711# define Off_t off64_t
2712# undef LSEEKSIZE
2713# define LSEEKSIZE 8
5ff3f7a4 2714# endif
d9b3e12d
JH		 2715/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2716 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2717 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2718# if defined(USE_OPEN64)
2719# define open open64
5ff3f7a4 2720# endif
d9b3e12d
JH		 2721# if defined(USE_LSEEK64)
2722# define lseek lseek64
6b8eaf93
JH		 2723# else
2724# if defined(USE_LLSEEK)
2725# define lseek llseek
2726# endif
d9b3e12d
JH		 2727# endif
2728# if defined(USE_STAT64)
2729# define stat stat64
2730# endif
2731# if defined(USE_FSTAT64)
2732# define fstat fstat64
2733# endif
2734# if defined(USE_LSTAT64)
2735# define lstat lstat64
2736# endif
2737# if defined(USE_FLOCK64)
2738# define flock flock64
2739# endif
2740# if defined(USE_LOCKF64)
2741# define lockf lockf64
2742# endif
2743# if defined(USE_FCNTL64)
2744# define fcntl fcntl64
2745# endif
2746# if defined(USE_TRUNCATE64)
2747# define truncate truncate64
2748# endif
2749# if defined(USE_FTRUNCATE64)
2750# define ftruncate ftruncate64
2751# endif
2752#endif
2753
2754#ifdef USE_64_BIT_STDIO
2755# ifdef HAS_FPOS64_T
2756# undef Fpos_t
2757# define Fpos_t fpos64_t
2758# endif
2759/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2760 * will trigger defines like the ones below. Some 64-bit environments,
2761 * however, do not. */
2762# if defined(USE_FOPEN64)
2763# define fopen fopen64
2764# endif
2765# if defined(USE_FSEEK64)
6b8eaf93 2766# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2767# endif
2768# if defined(USE_FTELL64)
6b8eaf93 2769# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2770# endif
2771# if defined(USE_FSETPOS64)
2772# define fsetpos fsetpos64
2773# endif
2774# if defined(USE_FGETPOS64)
2775# define fgetpos fgetpos64
2776# endif
2777# if defined(USE_TMPFILE64)
2778# define tmpfile tmpfile64
2779# endif
2780# if defined(USE_FREOPEN64)
2781# define freopen freopen64
5ff3f7a4
GS		 2782# endif
2783#endif
2784
e37778c2 2785#if defined(OS2)
2c2d71f5
JH		 2786# include "iperlsys.h"
2787#endif
2788
748a9306 2789#ifdef DOSISH
19848b3f
JH		 2790# if defined(OS2)
2791# include "os2ish.h"
2792# else
2793# include "dosish.h"
2794# endif
009819bb 2795#elif defined(VMS)
748a9306 2796# include "vmsish.h"
009819bb 2797#elif defined(PLAN9)
19848b3f 2798# include "./plan9/plan9ish.h"
009819bb 2799#elif defined(__VOS__)
196918b0
PG		 2800# ifdef __GNUC__
2801# include "./vos/vosish.h"
2802# else
2803# include "vos/vosish.h"
2804# endif
009819bb 2805#elif defined(__SYMBIAN32__)
27da23d5 2806# include "symbian/symbianish.h"
009819bb 2807#elif defined(__HAIKU__)
df00ff3b 2808# include "haiku/haikuish.h"
009819bb 2809#else
19848b3f 2810# include "unixish.h"
13b6e58c
JH		 2811#endif
2812
ea34f6bd 2813#ifdef __amigaos4__
3c0208ad
AB		 2814# include "amigaos.h"
2815# undef FD_CLOEXEC /* a lie in AmigaOS */
2816#endif
2817
2946a158
JH		 2818/* NSIG logic from Configure --> */
2819/* Strange style to avoid deeply-nested #if/#else/#endif */
2820#ifndef NSIG
2821# ifdef _NSIG
2822# define NSIG (_NSIG)
2823# endif
2824#endif
2825
2826#ifndef NSIG
2827# ifdef SIGMAX
2828# define NSIG (SIGMAX+1)
2829# endif
2830#endif
2831
2832#ifndef NSIG
2833# ifdef SIG_MAX
2834# define NSIG (SIG_MAX+1)
2835# endif
2836#endif
2837
2838#ifndef NSIG
2839# ifdef _SIG_MAX
2840# define NSIG (_SIG_MAX+1)
2841# endif
2842#endif
2843
2844#ifndef NSIG
2845# ifdef MAXSIG
2846# define NSIG (MAXSIG+1)
2847# endif
2848#endif
2849
2850#ifndef NSIG
2851# ifdef MAX_SIG
2852# define NSIG (MAX_SIG+1)
2853# endif
2854#endif
2855
2856#ifndef NSIG
2857# ifdef SIGARRAYSIZE
2858# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2859# endif
2860#endif
2861
2862#ifndef NSIG
2863# ifdef _sys_nsig
2864# define NSIG (_sys_nsig) /* Solaris 2.5 */
2865# endif
2866#endif
2867
2868/* Default to some arbitrary number that's big enough to get most
2869 of the common signals.
2870*/
2871#ifndef NSIG
2872# define NSIG 50
2873#endif
2874/* <-- NSIG logic from Configure */
2875
13b6e58c
JH		 2876#ifndef NO_ENVIRON_ARRAY
2877# define USE_ENVIRON_ARRAY
2878#endif
32f822de 2879
c77b533b
JH		 2880/*
2881 * initialise to avoid floating-point exceptions from overflow, etc
2882 */
2883#ifndef PERL_FPU_INIT
2884# ifdef HAS_FPSETMASK
2885# if HAS_FLOATINGPOINT_H
2886# include <floatingpoint.h>
2887# endif
ad3a8c67
NC		 2888/* Some operating systems have this as a macro, which in turn expands to a comma
2889 expression, and the last sub-expression is something that gets calculated,
2890 and then they have the gall to warn that a value computed is not used. Hence
2891 cast to void. */
2892# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2893# else
2f42fcb0 2894# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2895# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2896# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2897# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2898# else
2899# define PERL_FPU_INIT
2f42fcb0 2900
7014c407 2901# endif
c77b533b
JH		 2902# endif
2903#endif
b35112e7
CS		 2904#ifndef PERL_FPU_PRE_EXEC
2905# define PERL_FPU_PRE_EXEC {
2906# define PERL_FPU_POST_EXEC }
2907#endif
c77b533b 2908
a308b05a
JH		 2909/* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2910 * We need to reenable the "invalid" trap because otherwise generation
2911 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2912 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2913#ifdef __osf__
2914# include <machine/fpu.h>
2915# define PERL_SYS_FPU_INIT \
2916 STMT_START { \
2917 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2918 signal(SIGFPE, SIG_IGN); \
2919 } STMT_END
2920#endif
94a08944
JH		 2921/* In IRIX the default for Flush to Zero bit is true,
2922 * which means that results going below the minimum of normal
2923 * floating points go to zero, instead of going denormal/subnormal.
2924 * This is unlike almost any other system running Perl, so let's clear it.
2925 * [perl #123767] IRIX64 blead (ddce084a) opbasic/arith.t failure, originally
2926 * [perl #120426] small numbers shouldn't round to zero if they have extra floating digits
2927 *
2928 * XXX The flush-to-zero behaviour should be a Configure scan.
2929 * To change the behaviour usually requires some system-specific
2930 * incantation, though, like the below. */
2931#ifdef __sgi
2932# include <sys/fpu.h>
2933# define PERL_SYS_FPU_INIT \
2934 STMT_START { \
2935 union fpc_csr csr; \
2936 csr.fc_word = get_fpc_csr(); \
2937 csr.fc_struct.flush = 0; \
2938 set_fpc_csr(csr.fc_word); \
2939 } STMT_END
2940#endif
a308b05a
JH		 2941
2942#ifndef PERL_SYS_FPU_INIT
2943# define PERL_SYS_FPU_INIT NOOP
2944#endif
2945
cbec8ebe
DM		 2946#ifndef PERL_SYS_INIT3_BODY
2947# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2948#endif
2949
eb533572 2950/*
dcccc8ff
KW		 2951=head1 Miscellaneous Functions
2952
4ad9e498 2953=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2954Provides system-specific tune up of the C runtime environment necessary to
72d33970 2955run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2956any Perl interpreters.
2957
4ad9e498 2958=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2959Provides system-specific tune up of the C runtime environment necessary to
72d33970 2960run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2961any Perl interpreters.
2962
2963=for apidoc Am|void|PERL_SYS_TERM|
2964Provides system-specific clean up of the C runtime environment after
72d33970 2965running Perl interpreters. This should be called only once, after
eb533572
DM		 2966freeing any remaining Perl interpreters.
2967
2968=cut
2969 */
2970
cbec8ebe
DM		 2971#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2972#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2973#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2974
be708cc0
JH		 2975#ifndef PERL_WRITE_MSG_TO_CONSOLE
2976# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2977#endif
2978
0f31cffe
GS		 2979#ifndef MAXPATHLEN
2980# ifdef PATH_MAX
b990c8b2
JH		 2981# ifdef _POSIX_PATH_MAX
2982# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2983/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2984 * included the null byte or not. Later amendments of POSIX,
2985 * XPG4, the Austin Group, and the Single UNIX Specification
2986 * all explicitly include the null byte in the PATH_MAX.
2987 * Ditto for _POSIX_PATH_MAX. */
2988# define MAXPATHLEN PATH_MAX
b990c8b2 2989# else
09448d78 2990# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2991# endif
2992# else
2993# define MAXPATHLEN (PATH_MAX+1)
2994# endif
0f31cffe 2995# else
d552bce8 2996# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2997# endif
2998#endif
2999
c80263a8
SH		 3000/* In case Configure was not used (we are using a "canned config"
3001 * such as Win32, or a cross-compilation setup, for example) try going
3002 * by the gcc major and minor versions. One useful URL is
3003 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
3004 * but contrary to this information warn_unused_result seems
3005 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 3006 * Also, when building extensions with an installed perl, this allows
3007 * the user to upgrade gcc and get the right attributes, rather than
3008 * relying on the list generated at Configure time. --AD
c80263a8
SH		 3009 * Set these up now otherwise we get confused when some of the <*thread.h>
3010 * includes below indirectly pull in <perlio.h> (which needs to know if we
3011 * have HASATTRIBUTE_FORMAT).
3012 */
3013
4d7c7898 3014#ifndef PERL_MICRO
fc2007d4 3015#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 3016# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
3017# define HASATTRIBUTE_DEPRECATED
3018# endif
c80263a8
SH		 3019# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
3020# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 3021# if defined __MINGW32__
3022# define PRINTF_FORMAT_NULL_OK
3023# endif
c80263a8
SH		 3024# endif
3025# if __GNUC__ >= 3 /* 3.0 -> */
3026# define HASATTRIBUTE_MALLOC
3027# endif
3028# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3029# define HASATTRIBUTE_NONNULL
3030# endif
3031# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3032# define HASATTRIBUTE_NORETURN
3033# endif
3034# if __GNUC__ >= 3 /* gcc 3.0 -> */
3035# define HASATTRIBUTE_PURE
3036# endif
42bf5550 3037# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 3038# define HASATTRIBUTE_UNUSED
3039# endif
d324fe49
AD		 3040# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3041# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3042# endif
c80263a8
SH		 3043# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3044# define HASATTRIBUTE_WARN_UNUSED_RESULT
3045# endif
3046#endif
00f254e2 3047#endif /* #ifndef PERL_MICRO */
c80263a8 3048
3db8f154 3049/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 3050 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 3051 * this results in many functions being undeclared which bothers C++
3052 * May make sense to have threads after "*ish.h" anyway
3053 */
3054
3db8f154 3055#if defined(USE_ITHREADS)
2986a63f
JH		 3056# ifdef NETWARE
3057# include <nw5thread.h>
3058# else
32f822de
GS		 3059# ifdef WIN32
3060# include <win32thread.h>
3061# else
dd96f567
IZ		 3062# ifdef OS2
3063# include "os2thread.h"
3064# else
7f3d1cf1 3065# ifdef I_MACH_CTHREADS
bdd66968 3066# include <mach/cthreads.h>
7f3d1cf1
BH		 3067typedef cthread_t perl_os_thread;
3068typedef mutex_t perl_mutex;
3069typedef condition_t perl_cond;
3070typedef void * perl_key;
3071# else /* Posix threads */
1f5ae88c
JH		 3072# ifdef I_PTHREAD
3073# include <pthread.h>
3074# endif
7f3d1cf1
BH		 3075typedef pthread_t perl_os_thread;
3076typedef pthread_mutex_t perl_mutex;
3077typedef pthread_cond_t perl_cond;
3078typedef pthread_key_t perl_key;
3079# endif /* I_MACH_CTHREADS */
dd96f567 3080# endif /* OS2 */
32f822de 3081# endif /* WIN32 */
ef4abe76 3082# endif /* NETWARE */
3db8f154 3083#endif /* USE_ITHREADS */
c5be433b 3084
66a93824 3085#if defined(WIN32)
1feb2720 3086# include "win32.h"
c5be433b
GS		 3087#endif
3088
2986a63f
JH		 3089#ifdef NETWARE
3090# include "netware.h"
3091#endif
3092
e5218da5 3093#define STATUS_UNIX PL_statusvalue
68dc0745 3094#ifdef VMS
6b88bc9c 3095# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 3096/*
3097 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 3098 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 3099 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3100 * be updated also.
3101 */
3102# include <stsdef.h>
3103# include <ssdef.h>
3104/* Presume this because if VMS changes it, it will require a new
3105 * set of APIs for waiting on children for binary compatibility.
3106 */
3107# define child_offset_bits (8)
3108# ifndef C_FAC_POSIX
3109# define C_FAC_POSIX 0x35A000
3110# endif
3111
3112/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3113 * platform from the existing UNIX or Native status values.
3114 */
3115
37038d91 3116# define STATUS_EXIT \
7a7fd8e0
JM		 3117 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3118 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3119
7a7fd8e0 3120
fb38d079
JM		 3121/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3122 * exit code and shifts the UNIX value over the correct number of bits to
3123 * be a child status. Usually the number of bits is 8, but that could be
3124 * platform dependent. The NATIVE status code is presumed to have either
3125 * from a child process.
7a7fd8e0
JM		 3126 */
3127
fb38d079
JM		 3128/* This is complicated. The child processes return a true native VMS
3129 status which must be saved. But there is an assumption in Perl that
3130 the UNIX child status has some relationship to errno values, so
00f254e2 3131 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 3132 In order to get the string translation correct, for the error, errno
3133 must be EVMSERR, but that generates a different text message
3134 than what the test programs are expecting. So an errno value must
3135 be derived from the native status value when an error occurs.
3136 That will hide the true native status message. With this version of
3137 perl, the true native child status can always be retrieved so that
3138 is not a problem. But in this case, Pl_statusvalue and errno may
3139 have different values in them.
3140 */
7a7fd8e0 3141
fb38d079 3142# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 3143 STMT_START { \
2fbb330f
JM		 3144 I32 evalue = (I32)n; \
3145 if (evalue == EVMSERR) { \
3146 PL_statusvalue_vms = vaxc$errno; \
3147 PL_statusvalue = evalue; \
7a7fd8e0 3148 } else { \
2fbb330f 3149 PL_statusvalue_vms = evalue; \
fb38d079 3150 if (evalue == -1) { \
3280af22 3151 PL_statusvalue = -1; \
7a7fd8e0
JM		 3152 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3153 } else \
fb38d079 3154 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 3155 set_vaxc_errno(evalue); \
fb38d079
JM		 3156 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3157 set_errno(EVMSERR); \
3158 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3159 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 3160 } \
68dc0745 3161 } STMT_END
7a7fd8e0 3162
68dc0745 3163# ifdef VMSISH_STATUS
e5218da5 3164# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 3165# else
e5218da5 3166# define STATUS_CURRENT STATUS_UNIX
68dc0745 3167# endif
7a7fd8e0
JM		 3168
3169 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3170 * the NATIVE status to an equivalent value. Can not be used to translate
3171 * exit code values as exit code values are not guaranteed to have any
3172 * relationship at all to errno values.
3173 * This is used when Perl is forcing errno to have a specific value.
3174 */
e5218da5 3175# define STATUS_UNIX_SET(n) \
68dc0745 3176 STMT_START { \
7a7fd8e0 3177 I32 evalue = (I32)n; \
0968cdad 3178 PL_statusvalue = evalue; \
3280af22 3179 if (PL_statusvalue != -1) { \
0968cdad
JM		 3180 if (PL_statusvalue != EVMSERR) { \
3181 PL_statusvalue &= 0xFFFF; \
3182 if (MY_POSIX_EXIT) \
3183 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3184 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3185 } \
3186 else { \
3187 PL_statusvalue_vms = vaxc$errno; \
3188 } \
68dc0745 3189 } \
0968cdad
JM		 3190 else PL_statusvalue_vms = SS$_ABORT; \
3191 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 3192 } STMT_END
3193
3194 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 3195 * the NATIVE error status based on it.
3196 *
3197 * When in the default mode to comply with the Perl VMS documentation,
3198 * 0 is a success and any other code sets the NATIVE status to a failure
3199 * code of SS$_ABORT.
fb38d079
JM		 3200 *
3201 * In the new POSIX EXIT mode, native status will be set so that the
3202 * actual exit code will can be retrieved by the calling program or
3203 * shell.
3204 *
3205 * If the exit code is not clearly a UNIX parent or child exit status,
3206 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3207 */
3208
fb38d079 3209# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3210 STMT_START { \
3211 I32 evalue = (I32)n; \
3212 PL_statusvalue = evalue; \
e08e1e1d
JM		 3213 if (MY_POSIX_EXIT) { \
3214 if (evalue <= 0xFF00) { \
3215 if (evalue > 0xFF) \
3216 evalue = (evalue >> child_offset_bits) & 0xFF; \
3217 PL_statusvalue_vms = \
3218 (C_FAC_POSIX | (evalue << 3 ) | \
3219 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3220 } else /* forgive them Perl, for they have sinned */ \
3221 PL_statusvalue_vms = evalue; \
3222 } else { \
3223 if (evalue == 0) \
3224 PL_statusvalue_vms = SS$_NORMAL; \
3225 else if (evalue <= 0xFF00) \
3226 PL_statusvalue_vms = SS$_ABORT; \
3227 else { /* forgive them Perl, for they have sinned */ \
3228 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3229 else PL_statusvalue_vms = vaxc$errno; \
3230 /* And obviously used a VMS status value instead of UNIX */ \
3231 PL_statusvalue = EVMSERR; \
3232 } \
3233 set_vaxc_errno(PL_statusvalue_vms); \
3234 } \
68dc0745 3235 } STMT_END
fb38d079 3236
e08e1e1d 3237
6ac6a52b
JM		 3238 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3239 * and sets the NATIVE error status based on it. This special case
3240 * is needed to maintain compatibility with past VMS behavior.
3241 *
3242 * In the default mode on VMS, this number is passed through as
3243 * both the NATIVE and UNIX status. Which makes it different
3244 * that the STATUS_UNIX_EXIT_SET.
3245 *
3246 * In the new POSIX EXIT mode, native status will be set so that the
3247 * actual exit code will can be retrieved by the calling program or
3248 * shell.
3249 *
1a3aec58
JM		 3250 * A POSIX exit code is from 0 to 255. If the exit code is higher
3251 * than this, it needs to be assumed that it is a VMS exit code and
3252 * passed through.
6ac6a52b
JM		 3253 */
3254
3255# define STATUS_EXIT_SET(n) \
3256 STMT_START { \
3257 I32 evalue = (I32)n; \
3258 PL_statusvalue = evalue; \
3259 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3260 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3261 PL_statusvalue_vms = \
3262 (C_FAC_POSIX | (evalue << 3 ) | \
3263 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3264 else \
3265 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3266 set_vaxc_errno(PL_statusvalue_vms); \
3267 } STMT_END
3268
fb38d079
JM		 3269
3270 /* This macro forces a success status */
7a7fd8e0
JM		 3271# define STATUS_ALL_SUCCESS \
3272 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3273
3274 /* This macro forces a failure status */
7a7fd8e0
JM		 3275# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3276 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3277 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3278
738ab09f
AB		 3279#elif defined(__amigaos4__)
3280 /* A somewhat experimental attempt to simulate posix return code values */
3281# define STATUS_NATIVE PL_statusvalue_posix
3282# define STATUS_NATIVE_CHILD_SET(n) \
3283 STMT_START { \
3284 PL_statusvalue_posix = (n); \
3285 if (PL_statusvalue_posix < 0) { \
3286 PL_statusvalue = -1; \
3287 } \
3288 else { \
3289 PL_statusvalue = n << 8; \
3290 } \
3291 } STMT_END
3292# define STATUS_UNIX_SET(n) \
3293 STMT_START { \
3294 PL_statusvalue = (n); \
3295 if (PL_statusvalue != -1) \
3296 PL_statusvalue &= 0xFFFF; \
3297 } STMT_END
3298# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
3299# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
3300# define STATUS_CURRENT STATUS_UNIX
3301# define STATUS_EXIT STATUS_UNIX
3302# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3303# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
3304
68dc0745 3305#else
e5218da5 3306# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3307# if defined(WCOREDUMP)
37038d91 3308# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3309 STMT_START { \
3310 PL_statusvalue_posix = (n); \
3311 if (PL_statusvalue_posix == -1) \
3312 PL_statusvalue = -1; \
3313 else { \
3314 PL_statusvalue = \
3315 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3316 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3317 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3318 } \
3319 } STMT_END
3320# elif defined(WIFEXITED)
37038d91 3321# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3322 STMT_START { \
3323 PL_statusvalue_posix = (n); \
3324 if (PL_statusvalue_posix == -1) \
3325 PL_statusvalue = -1; \
3326 else { \
3327 PL_statusvalue = \
3328 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3329 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3330 } \
3331 } STMT_END
3332# else
37038d91 3333# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3334 STMT_START { \
3335 PL_statusvalue_posix = (n); \
3336 if (PL_statusvalue_posix == -1) \
3337 PL_statusvalue = -1; \
3338 else { \
3339 PL_statusvalue = \
3340 PL_statusvalue_posix & 0xFFFF; \
3341 } \
3342 } STMT_END
3343# endif
3344# define STATUS_UNIX_SET(n) \
68dc0745 3345 STMT_START { \
3280af22
NIS		 3346 PL_statusvalue = (n); \
3347 if (PL_statusvalue != -1) \
3348 PL_statusvalue &= 0xFFFF; \
68dc0745 3349 } STMT_END
7a7fd8e0 3350# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3351# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3352# define STATUS_CURRENT STATUS_UNIX
37038d91 3353# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3354# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3355# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3356#endif
3357
cc3604b1
GS		 3358/* flags in PL_exit_flags for nature of exit() */
3359#define PERL_EXIT_EXPECTED 0x01
31d77e54 3360#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 3361#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3362#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 3363
b79b76e0 3364#ifndef PERL_CORE
a7cb1f99 3365/* format to use for version numbers in file/directory names */
273cf8d1 3366/* XXX move to Configure? */
b79b76e0
NC		 3367/* This was only ever used for the current version, and that can be done at
3368 compile time, as PERL_FS_VERSION, so should we just delete it? */
3369# ifndef PERL_FS_VER_FMT
3370# define PERL_FS_VER_FMT "%d.%d.%d"
3371# endif
3372#endif
3373
3374#ifndef PERL_FS_VERSION
3375# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3376#endif
3377
45bc9206 3378/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3379 * performance issue, so we allow people to disable it. Also, if
3380 * we are using stdio, there are broken implementations of fflush(NULL)
3381 * out there, Solaris being the most prominent.
45bc9206
GS		 3382 */
3383#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 3384# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 3385# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3386# else
3387# ifdef FFLUSH_ALL
3388# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3389# else
c5be433b 3390# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3391# endif
66fe083f 3392# endif
45bc9206
GS		 3393#endif
3394
7766f137
GS		 3395#ifndef PERL_WAIT_FOR_CHILDREN
3396# define PERL_WAIT_FOR_CHILDREN NOOP
3397#endif
3398
ba869deb 3399/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3400#ifndef PERL_SET_INTERP
3401# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3402#endif
3403
3404#ifndef PERL_GET_INTERP
3405# define PERL_GET_INTERP (PL_curinterp)
3406#endif
3407
54aff467 3408#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3409# ifdef MULTIPLICITY
ba869deb 3410# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3411# endif
ba869deb
GS		 3412# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3413#endif
3414
00f254e2 3415/*
8896765a 3416 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3417 All that is required is that the perl source does not
00f254e2
KW		 3418 use "%-p" or "%-<number>p" or "%<number>p" formats.
3419 These formats will still work in perl code.
486ec47a 3420 See comments in sv.c for further details.
8896765a 3421
8896765a 3422 Robin Barker 2005-07-14
f46d31f2 3423
00f254e2 3424 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3425*/
8896765a
RB		 3426
3427#ifndef SVf_
63ce7bf0 3428# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3429#endif
3430
8896765a 3431#ifndef SVf
104abab4 3432# define SVf "-p"
d2560b70
RB		 3433#endif
3434
014ead4b 3435#ifndef SVf32
8896765a 3436# define SVf32 SVf_(32)
014ead4b
RB		 3437#endif
3438
3439#ifndef SVf256
8896765a
RB		 3440# define SVf256 SVf_(256)
3441#endif
3442
be2597df
MHM		 3443#define SVfARG(p) ((void*)(p))
3444
20023040
FC		 3445#ifndef HEKf
3446# define HEKf "2p"
3447#endif
3448
b8fa5213
FC		 3449/* Not ideal, but we cannot easily include a number in an already-numeric
3450 * format sequence. */
3451#ifndef HEKf256
3452# define HEKf256 "3p"
3453#endif
3454
20023040
FC		 3455#define HEKfARG(p) ((void*)(p))
3456
b17a0679
FC		 3457/* Takes three arguments: is_utf8, length, str */
3458#ifndef UTF8f
61608bb7 3459# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3460#endif
3461#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3462
0f94cb1f
FC		 3463#define PNf UTF8f
3464#define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
0d1e9135 3465
f46d31f2 3466#ifdef PERL_CORE
486ec47a 3467/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3468# undef UVf
3469#else
170cd9e9
NC		 3470# ifndef UVf
3471# define UVf UVuf
3472# endif
d2560b70
RB		 3473#endif
3474
fcdf39cf
RGS		 3475#ifdef HASATTRIBUTE_DEPRECATED
3476# define __attribute__deprecated__ __attribute__((deprecated))
3477#endif
0dbb1585
AL		 3478#ifdef HASATTRIBUTE_FORMAT
3479# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3480#endif
3481#ifdef HASATTRIBUTE_MALLOC
77785eea 3482# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3483#endif
0dbb1585 3484#ifdef HASATTRIBUTE_NONNULL
abb2c242 3485# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3486#endif
0dbb1585 3487#ifdef HASATTRIBUTE_NORETURN
abb2c242 3488# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3489#endif
0dbb1585 3490#ifdef HASATTRIBUTE_PURE
abb2c242 3491# define __attribute__pure__ __attribute__((pure))
f22be1b8 3492#endif
0dbb1585
AL		 3493#ifdef HASATTRIBUTE_UNUSED
3494# define __attribute__unused__ __attribute__((unused))
3495#endif
3496#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3497# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3498#endif
3499
0dbb1585 3500/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3501#ifndef __attribute__deprecated__
3502# define __attribute__deprecated__
3503#endif
0dbb1585
AL		 3504#ifndef __attribute__format__
3505# define __attribute__format__(x,y,z)
3506#endif
f22be1b8 3507#ifndef __attribute__malloc__
abb2c242 3508# define __attribute__malloc__
f22be1b8
JH		 3509#endif
3510#ifndef __attribute__nonnull__
abb2c242 3511# define __attribute__nonnull__(a)
f22be1b8
JH		 3512#endif
3513#ifndef __attribute__noreturn__
abb2c242 3514# define __attribute__noreturn__
f22be1b8
JH		 3515#endif
3516#ifndef __attribute__pure__
abb2c242 3517# define __attribute__pure__
f22be1b8 3518#endif
0dbb1585
AL		 3519#ifndef __attribute__unused__
3520# define __attribute__unused__
3521#endif
f22be1b8 3522#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3523# define __attribute__warn_unused_result__
3524#endif
3525
6d59e610
LM		 3526#ifdef I_ASSERT
3527# if !defined(DEBUGGING) && !defined(NDEBUG)
3528# define NDEBUG 1
3529# endif
cd13e623
JH		 3530# include <assert.h>
3531#endif
3532
0dbb1585
AL		 3533/* For functions that are marked as __attribute__noreturn__, it's not
3534 appropriate to call return. In either case, include the lint directive.
3535 */
3536#ifdef HASATTRIBUTE_NORETURN
bc3d2941 3537# define NORETURN_FUNCTION_END NOT_REACHED;
0dbb1585 3538#else
bc3d2941 3539# define NORETURN_FUNCTION_END NOT_REACHED; return 0
abb2c242
JH		 3540#endif
3541
cdfeb707
RB		 3542/* Some OS warn on NULL format to printf */
3543#ifdef PRINTF_FORMAT_NULL_OK
3544# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3545#else
00f254e2 3546# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3547#endif
3548
635aebb7 3549#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3550# define EXPECT(expr,val) __builtin_expect(expr,val)
3551#else
3552# define EXPECT(expr,val) (expr)
3553#endif
6d5abc62
NC		 3554#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3555#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3556#ifdef HAS_BUILTIN_CHOOSE_EXPR
3557/* placeholder */
3558#endif
b37c2d43 3559
5074d4c5
LM		 3560/* STATIC_ASSERT_GLOBAL/STATIC_ASSERT_STMT are like assert(), but for compile
3561 time invariants. That is, their argument must be a constant expression that
3562 can be verified by the compiler. This expression can contain anything that's
3563 known to the compiler, e.g. #define constants, enums, or sizeof (...). If
3564 the expression evaluates to 0, compilation fails.
3565 Because they generate no runtime code (i.e. their use is "free"), they're
3566 always active, even under non-DEBUGGING builds.
3567 STATIC_ASSERT_GLOBAL expands to a declaration and is suitable for use at
3568 file scope (outside of any function).
3569 STATIC_ASSERT_STMT expands to a statement and is suitable for use inside a
3570 function.
3571*/
7ea096df 3572#if (defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)) && (!defined(__IBMC__) || __IBMC__ >= 1210)
6d59e610
LM		 3573/* static_assert is a macro defined in <assert.h> in C11 or a compiler
3574 builtin in C++11.
3575*/
7ea096df 3576/* IBM XL C V11 does not support _Static_assert, no matter what <assert.h> says */
d0044f85 3577# define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
6d59e610
LM		 3578#else
3579/* We use a bit-field instead of an array because gcc accepts
3580 'typedef char x[n]' where n is not a compile-time constant.
3581 We want to enforce constantness.
3582*/
3583# define STATIC_ASSERT_2(COND, SUFFIX) \
3584 typedef struct { \
3585 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3586 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3587# define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3588# define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__)
3589#endif
3590/* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3591 error (static_assert is a declaration, and only statements can have labels).
3592*/
3593#define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0)
ae103e09
DD		 3594
3595#ifndef __has_builtin
3596# define __has_builtin(x) 0 /* not a clang style compiler */
3597#endif
3598
3599/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3600 hint to a compiler about a statement of fact in a function call free
3601 expression, which allows the compiler to generate better machine code.
3602 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3603 the control path is unreachable. In a for loop, ASSUME can be used to hint
b8fda935 3604 that a loop will run at least X times. ASSUME is based off MSVC's __assume
ae103e09
DD		 3605 intrinsic function, see its documents for more details.
3606*/
3607
3608#ifndef DEBUGGING
3609# if __has_builtin(__builtin_unreachable) \
d1020b40 3610 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
ae103e09
DD		 3611# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3612# elif defined(_MSC_VER)
3613# define ASSUME(x) __assume(x)
3614# elif defined(__ARMCC_VERSION) /* untested */
3615# define ASSUME(x) __promise(x)
3616# else
3617/* a random compiler might define assert to its own special optimization token
3618 so pass it through to C lib as a last resort */
3619# define ASSUME(x) assert(x)
3620# endif
3621#else
3622# define ASSUME(x) assert(x)
3623#endif
3624
3625#define NOT_REACHED ASSUME(0)
3626
3fc1aec6 3627/* Some unistd.h's give a prototype for pause() even though
3628 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3629 below to be rejected by the compiler. Sigh.
3fc1aec6 3630*/
3631#ifdef HAS_PAUSE
3632#define Pause pause
3633#else
3634#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3635#endif
3636
3637#ifndef IOCPARM_LEN
3638# ifdef IOCPARM_MASK
61f1c44b 3639 /* on BSDish systems we're safe */
748a9306
LW		 3640# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3641# else
61f1c44b 3642# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3643 /* on Linux systems we're safe; except when we're not [perl #38223] */
3644# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3645# else
748a9306 3646 /* otherwise guess at what's safe */
61f1c44b
JVD		 3647# define IOCPARM_LEN(x) 256
3648# endif
748a9306 3649# endif
a0d0e21e
LW		 3650#endif
3651
1761cee5 3652#if defined(__CYGWIN__)
521e0776
GS		 3653/* USEMYBINMODE
3654 * This symbol, if defined, indicates that the program should
16fe6d59 3655 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3656 * that a file is in "binary" mode -- that is, that no translation
3657 * of bytes occurs on read or write operations.
3658 */
36894f0b 3659# define USEMYBINMODE /**/
77a40698 3660# include <io.h> /* for setmode() prototype */
16fe6d59 3661# define my_binmode(fp, iotype, mode) \
77a40698 3662 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3663#endif
3664
88d10794
JH		 3665#ifdef __CYGWIN__
3666void init_os_extras(void);
3667#endif
3668
cea2e8a9
GS		 3669#ifdef UNION_ANY_DEFINITION
3670UNION_ANY_DEFINITION;
3671#else
3672union any {
3673 void* any_ptr;
3674 I32 any_i32;
ae103e09 3675 U32 any_u32;
cea2e8a9 3676 IV any_iv;
c6bf6a65 3677 UV any_uv;
cea2e8a9 3678 long any_long;
9febdf04 3679 bool any_bool;
c76ac1ee 3680 void (*any_dptr) (void*);
acfe0abc 3681 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3682};
3683#endif
3684
acfe0abc 3685typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3686
3687#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3688#define FILTER_DATA(idx) \
3689 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3690#define FILTER_ISREADER(idx) \
3691 (PL_parser && PL_parser->rsfp_filters \
3692 && idx >= AvFILLp(PL_parser->rsfp_filters))
3693#define PERL_FILTER_EXISTS(i) \
3694 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3695 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3696
c5078cac
JH		 3697#if defined(_AIX) && !defined(_AIX43)
3698#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3699/* We cannot include <crypt.h> to get the struct crypt_data
3700 * because of setkey prototype problems when threading */
3701typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3702 /* From OSF, Not needed in AIX
3703 char C[28], D[28];
3704 */
3705 char E[48];
3706 char KS[16][48];
3707 char block[66];
3708 char iobuf[16];
3709} CRYPTD;
3710#endif /* threading */
3711#endif /* AIX */
3712
fc6bde6f
DD		 3713#ifndef PERL_CALLCONV
3714# ifdef __cplusplus
3715# define PERL_CALLCONV extern "C"
3716# else
3717# define PERL_CALLCONV
3718# endif
3719#endif
3720#ifndef PERL_CALLCONV_NO_RET
3721# define PERL_CALLCONV_NO_RET PERL_CALLCONV
3722#endif
3723
3724/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
3725 dont have a noreturn as a declaration specifier
3726*/
3727#ifndef PERL_STATIC_NO_RET
3728# define PERL_STATIC_NO_RET STATIC
3729#endif
3730/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
3731 builds that dont have a noreturn as a declaration specifier
3732*/
3733#ifndef PERL_STATIC_INLINE_NO_RET
3734# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
3735#endif
3736
e37778c2 3737#if !defined(OS2)
2c2d71f5
JH		 3738# include "iperlsys.h"
3739#endif
504f80c1 3740
9c12f1e5 3741#ifdef __LIBCATAMOUNT__
00f254e2 3742#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3743#undef HAS_GROUP
3744#define FAKE_BIT_BUCKET
3745#endif
3746
d10dc2ae
JH		 3747/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3748 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3749 * defined by Configure, despite their names being similar to the
3750 * other defines like USE_ITHREADS. Configure in fact knows nothing
3751 * about the randomised hashes. Therefore to enable/disable the hash
3752 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3753#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3754# define USE_HASH_SEED
504f80c1
JH		 3755#endif
3756
153a1061
AB		 3757/* Win32 defines a type 'WORD' in windef.h, and AmigaOS in exec/types.h.
3758 * This conflicts with the enumerator 'WORD' defined in perly.h.
3759 * The yytokentype enum is only a debugging aid, so it's not really needed. */
3760#if defined(WIN32) || defined(__amigaos4__)
598921a7
NC		 3761# define YYTOKENTYPE
3762#endif
3763#include "perly.h"
3764
598921a7 3765
654eccd5
JD		 3766/* macros to define bit-fields in structs. */
3767#ifndef PERL_BITFIELD8
3768# define PERL_BITFIELD8 unsigned
3769#endif
3770#ifndef PERL_BITFIELD16
3771# define PERL_BITFIELD16 unsigned
3772#endif
3773#ifndef PERL_BITFIELD32
3774# define PERL_BITFIELD32 unsigned
3775#endif
3776
79072805 3777#include "sv.h"
288b8c02 3778#include "regexp.h"
378cc40b 3779#include "util.h"
8d063cd8 3780#include "form.h"
79072805 3781#include "gv.h"
dd2155a4 3782#include "pad.h"
79072805 3783#include "cv.h"
abdd5c84 3784#include "opnames.h"
79072805 3785#include "op.h"
b3ca2e83 3786#include "hv.h"
79072805
LW		 3787#include "cop.h"
3788#include "av.h"
79072805
LW		 3789#include "mg.h"
3790#include "scope.h"
4438c4b7 3791#include "warnings.h"
a0ed51b3 3792#include "utf8.h"
8d063cd8 3793
0d7d409d
DM		 3794/* these would be in doio.h if there was such a file */
3795#define my_stat() my_stat_flags(SV_GMAGIC)
3796#define my_lstat() my_lstat_flags(SV_GMAGIC)
3797
20f4945e 3798/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3799#undef _XPV_HEAD
3800#undef _XPVMG_HEAD
3801#undef _XPVCV_COMMON
7fae4e64
GS		 3802
3803typedef struct _sublex_info SUBLEXINFO;
3804struct _sublex_info {
651b5b28
NC		 3805 U8 super_state; /* lexer state to save */
3806 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3807 OP *sub_op; /* "lex_op" to use */
7cc34111 3808 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3809};
3810
199e78b7
DM		 3811#include "parser.h"
3812
455ece5e 3813typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3814
2260ab51
KW		 3815#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3816
3817/* These have to be predeclared, as they are used in proto.h which is #included
3818 * before their definitions in regcomp.h. */
3819
3820struct scan_data_t;
7dcac5f6
KW		 3821typedef struct regnode_charclass regnode_charclass;
3822
2260ab51 3823struct regnode_charclass_class;
d1d040e5
KW		 3824
3825/* A hopefully less confusing name. The sub-classes are all Posix classes only
3826 * used under /l matching */
3827typedef struct regnode_charclass_class regnode_charclass_posixl;
3828
b8f7bb16 3829typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3830typedef struct RExC_state_t RExC_state_t;
3831struct _reg_trie_data;
76e3520e 3832
2260ab51
KW		 3833#endif
3834
5f7fde29
GS		 3835struct ptr_tbl_ent {
3836 struct ptr_tbl_ent* next;
53c1dcc0 3837 const void* oldval;
5f7fde29 3838 void* newval;
d18c6117
GS		 3839};
3840
5f7fde29
GS		 3841struct ptr_tbl {
3842 struct ptr_tbl_ent** tbl_ary;
3843 UV tbl_max;
3844 UV tbl_items;
db93c0c4
NC		 3845 struct ptr_tbl_arena *tbl_arena;
3846 struct ptr_tbl_ent *tbl_arena_next;
3847 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3848};
3849
fe14fcc3
LW		 3850#if defined(htonl) && !defined(HAS_HTONL)
3851#define HAS_HTONL
ae986130 3852#endif
fe14fcc3
LW		 3853#if defined(htons) && !defined(HAS_HTONS)
3854#define HAS_HTONS
ae986130 3855#endif
fe14fcc3
LW		 3856#if defined(ntohl) && !defined(HAS_NTOHL)
3857#define HAS_NTOHL
ae986130 3858#endif
fe14fcc3
LW		 3859#if defined(ntohs) && !defined(HAS_NTOHS)
3860#define HAS_NTOHS
ae986130 3861#endif
fe14fcc3 3862#ifndef HAS_HTONL
fe14fcc3
LW		 3863#define HAS_HTONS
3864#define HAS_HTONL
3865#define HAS_NTOHS
3866#define HAS_NTOHL
8e2d7c44
NC		 3867# if (BYTEORDER & 0xffff) == 0x4321
3868/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3869 re-order their values. However, to behave identically to the alternative
3870 implementations, they should truncate to the correct size. */
3871# define ntohl(x) ((x)&0xFFFFFFFF)
3872# define htonl(x) ntohl(x)
3873# define ntohs(x) ((x)&0xFFFF)
3874# define htons(x) ntohs(x)
e4b03fed
NC		 3875# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3876
3877/* Note that we can't straight out declare our own htonl and htons because
3878 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3879 to avoid the overhead of initialising the socket subsystem, but the headers
3880 that *declare* the various functions are still seen. If we declare our own
3881 htonl etc they will clash with the declarations in the Win32 headers. */
3882
3883PERL_STATIC_INLINE U32
3884my_swap32(const U32 x) {
3885 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3886 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3887}
3888
3889PERL_STATIC_INLINE U16
3890my_swap16(const U16 x) {
3891 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3892}
3893
3894# define htonl(x) my_swap32(x)
3895# define ntohl(x) my_swap32(x)
3896# define ntohs(x) my_swap16(x)
3897# define htons(x) my_swap16(x)
8e2d7c44 3898# else
691a44df
NC		 3899# error "Unsupported byteorder"
3900/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3901 the error message. Please check the value of the macro BYTEORDER, as defined
3902 in config.h. The values of BYTEORDER we expect are
3903
3904 big endian little endian
3905 32 bit 0x4321 0x1234
3906 64 bit 0x87654321 0x12345678
3907
3908 If you have a system with a different byte order, please see
3909 pod/perlhack.pod for how to submit a patch to add supporting code.
3910*/
3911# endif
a687059c
LW		 3912#endif
3913
988174c1
LW		 3914/*
3915 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3916 * -DWS
3917 */
5ae72479 3918#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3919/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3920 re-order their values. However, to behave identically to the alternative
3921 implementations, they should truncate to the correct size. */
3922# define vtohl(x) ((x)&0xFFFFFFFF)
3923# define vtohs(x) ((x)&0xFFFF)
3924# define htovl(x) vtohl(x)
3925# define htovs(x) vtohs(x)
545872c5 3926#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3927# define vtohl(x) ((((x)&0xFF)<<24) \
3928 +(((x)>>24)&0xFF) \
3929 +(((x)&0x0000FF00)<<8) \
3930 +(((x)&0x00FF0000)>>8) )
3931# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3932# define htovl(x) vtohl(x)
3933# define htovs(x) vtohs(x)
545872c5
NC		 3934#else
3935# error "Unsupported byteorder"
3936/* If you have need for current perl on PDP-11 or similar, and can help test
3937 that blead keeps working on a mixed-endian system, then see
3938 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3939#endif
988174c1 3940
3bb7c1b4
JH		 3941/* *MAX Plus 1. A floating point value.
3942 Hopefully expressed in a way that dodgy floating point can't mess up.
3943 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3944 is added to it
3945 May find that some broken compiler will want the value cast to I32.
3946 [after the shift, as signed >> may not be as secure as unsigned >>]
3947*/
3948#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3949#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3950/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3951 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3952 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3953*/
3954#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3955
3bb7c1b4
JH		 3956#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3957#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3958#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3959
3960/* This may look like unnecessary jumping through hoops, but converting
3961 out of range floating point values to integers *is* undefined behaviour,
3962 and it is starting to bite.
3963*/
3964#ifndef CAST_INLINE
65202027 3965#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3966#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3967#define I_V(what) (cast_iv((NV)(what)))
3968#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3969#else
3970#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3971 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3972 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3973#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3974 : ((n) < U32_MAX_P1 ? (U32) (n) \
3975 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM		 3976#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3977 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3978 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM		 3979#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3980 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH		 3981 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3982#endif
3983
3984#define U_S(what) ((U16)U_32(what))
3985#define U_I(what) ((unsigned int)U_32(what))
3986#define U_L(what) U_32(what)
ed6116ce 3987
ed140128
AD		 3988#ifdef HAS_SIGNBIT
3989# define Perl_signbit signbit
3990#endif
3991
2d4389e4
JH		 3992/* These do not care about the fractional part, only about the range. */
3993#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3994#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3995
25da4f38
IZ		 3996/* Used with UV/IV arguments: */
3997 /* XXXX: need to speed it up */
3998#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3999#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
4000
352d5a3a
LW		 4001#ifndef MAXSYSFD
4002# define MAXSYSFD 2
4003#endif
ee0007ab 4004
79072805 4005#ifndef __cplusplus
e37d7e38 4006#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 4007Uid_t getuid (void);
4008Uid_t geteuid (void);
4009Gid_t getgid (void);
4010Gid_t getegid (void);
79072805 4011#endif
e1caacb4 4012#endif
8d063cd8 4013
0c30d9ec 4014#ifndef Perl_debug_log
bf49b057
GS		 4015# define Perl_debug_log PerlIO_stderr()
4016#endif
4017
4018#ifndef Perl_error_log
4019# define Perl_error_log (PL_stderrgv \
6b78add2 4020 && isGV(PL_stderrgv) \
01bb7c6d 4021 && GvIOp(PL_stderrgv) \
42de951c 4022 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 4023 ? IoOFP(GvIOp(PL_stderrgv)) \
4024 : PerlIO_stderr())
0c30d9ec 4025#endif
3967c732 4026
aea4f609
DM		 4027
4028#define DEBUG_p_FLAG 0x00000001 /* 1 */
4029#define DEBUG_s_FLAG 0x00000002 /* 2 */
4030#define DEBUG_l_FLAG 0x00000004 /* 4 */
4031#define DEBUG_t_FLAG 0x00000008 /* 8 */
4032#define DEBUG_o_FLAG 0x00000010 /* 16 */
4033#define DEBUG_c_FLAG 0x00000020 /* 32 */
4034#define DEBUG_P_FLAG 0x00000040 /* 64 */
4035#define DEBUG_m_FLAG 0x00000080 /* 128 */
4036#define DEBUG_f_FLAG 0x00000100 /* 256 */
4037#define DEBUG_r_FLAG 0x00000200 /* 512 */
4038#define DEBUG_x_FLAG 0x00000400 /* 1024 */
4039#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 4040/* U is reserved for Unofficial, exploratory hacking */
4041#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 4042#define DEBUG_H_FLAG 0x00002000 /* 8192 */
4043#define DEBUG_X_FLAG 0x00004000 /* 16384 */
4044#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 4045#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 4046#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 4047#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 4048#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 4049#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 4050#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 4051#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 4052#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 4053#define DEBUG_M_FLAG 0x01000000 /*16777216*/
4054#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 4055#define DEBUG_L_FLAG 0x04000000 /*67108864*/
4056#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 4057
4058#define DEBUG_DB_RECURSE_FLAG 0x40000000
31ada1fb 4059#define DEBUG_TOP_FLAG 0x80000000 /* -D was given --> PL_debug |= FLAG */
aea4f609 4060
bd16a5f0
IZ		 4061# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
4062# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
4063# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
4064# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
4065# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
4066# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
4067# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
4068# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
4069# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
4070# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
4071# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
4072# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 4073# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 4074# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
4075# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
4076# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 4077# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 4078# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
4079# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 4080# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 4081# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 4082# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 4083# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
4084# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 4085# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 4086# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 4087# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 4088# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 4089# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 4090# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bbc98134 4091# define DEBUG_Lv_TEST_ (DEBUG_L_TEST_ && DEBUG_v_TEST_)
bd16a5f0 4092
3967c732 4093#ifdef DEBUGGING
aea4f609 4094
bd16a5f0
IZ		 4095# define DEBUG_p_TEST DEBUG_p_TEST_
4096# define DEBUG_s_TEST DEBUG_s_TEST_
4097# define DEBUG_l_TEST DEBUG_l_TEST_
4098# define DEBUG_t_TEST DEBUG_t_TEST_
4099# define DEBUG_o_TEST DEBUG_o_TEST_
4100# define DEBUG_c_TEST DEBUG_c_TEST_
4101# define DEBUG_P_TEST DEBUG_P_TEST_
4102# define DEBUG_m_TEST DEBUG_m_TEST_
4103# define DEBUG_f_TEST DEBUG_f_TEST_
4104# define DEBUG_r_TEST DEBUG_r_TEST_
4105# define DEBUG_x_TEST DEBUG_x_TEST_
4106# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 4107# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 4108# define DEBUG_H_TEST DEBUG_H_TEST_
4109# define DEBUG_X_TEST DEBUG_X_TEST_
4110# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 4111# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 4112# define DEBUG_T_TEST DEBUG_T_TEST_
4113# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 4114# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 4115# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 4116# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 4117# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 4118# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 4119# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 4120# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 4121# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 4122# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4123# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 4124# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
bbc98134 4125# define DEBUG_Lv_TEST DEBUG_Lv_TEST_
aea4f609 4126
488b0c7a 4127# define PERL_DEB(a) a
11f9ab1a 4128# define PERL_DEB2(a,b) a
488b0c7a 4129# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 4130# define DEBUG_p(a) if (DEBUG_p_TEST) a
4131# define DEBUG_s(a) if (DEBUG_s_TEST) a
4132# define DEBUG_l(a) if (DEBUG_l_TEST) a
4133# define DEBUG_t(a) if (DEBUG_t_TEST) a
4134# define DEBUG_o(a) if (DEBUG_o_TEST) a
4135# define DEBUG_c(a) if (DEBUG_c_TEST) a
4136# define DEBUG_P(a) if (DEBUG_P_TEST) a
4137
969058bb
VK		 4138 /* Temporarily turn off memory debugging in case the a
4139 * does memory allocation, either directly or indirectly. */
acfe0abc 4140# define DEBUG_m(a) \
0b250b9e 4141 STMT_START { \
aea4f609 4142 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 4143 } STMT_END
aea4f609 4144
5f80b19c
AMS		 4145# define DEBUG__(t, a) \
4146 STMT_START { \
4147 if (t) STMT_START {a;} STMT_END; \
4148 } STMT_END
4149
4150# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 4151#ifndef PERL_EXT_RE_BUILD
5f80b19c 4152# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 4153#else
4154# define DEBUG_r(a) STMT_START {a;} STMT_END
4155#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 4156# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4157# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 4158# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 4159# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4160# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4161# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 4162# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4163# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 4164# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
bbc98134 4165# define DEBUG_Lv(a) DEBUG__(DEBUG_Lv_TEST, a)
aea4f609 4166
56967202 4167# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 4168# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4169# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 4170# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 4171# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 4172# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4173# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 4174# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 4175# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 4176# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 4177
4178#else /* DEBUGGING */
4179
4180# define DEBUG_p_TEST (0)
4181# define DEBUG_s_TEST (0)
4182# define DEBUG_l_TEST (0)
4183# define DEBUG_t_TEST (0)
4184# define DEBUG_o_TEST (0)
4185# define DEBUG_c_TEST (0)
4186# define DEBUG_P_TEST (0)
4187# define DEBUG_m_TEST (0)
4188# define DEBUG_f_TEST (0)
4189# define DEBUG_r_TEST (0)
4190# define DEBUG_x_TEST (0)
4191# define DEBUG_u_TEST (0)
88d2d28a 4192# define DEBUG_U_TEST (0)
aea4f609
DM		 4193# define DEBUG_H_TEST (0)
4194# define DEBUG_X_TEST (0)
4195# define DEBUG_D_TEST (0)
56967202 4196# define DEBUG_S_TEST (0)
aea4f609 4197# define DEBUG_T_TEST (0)
04932ac8 4198# define DEBUG_R_TEST (0)
1045810a 4199# define DEBUG_J_TEST (0)
d6721266 4200# define DEBUG_v_TEST (0)
46187eeb 4201# define DEBUG_C_TEST (0)
ecae49c0
NC		 4202# define DEBUG_A_TEST (0)
4203# define DEBUG_q_TEST (0)
d7c0d282 4204# define DEBUG_M_TEST (0)
cc8773c0 4205# define DEBUG_B_TEST (0)
69014004 4206# define DEBUG_L_TEST (0)
7949c6f5
JC		 4207# define DEBUG_Xv_TEST (0)
4208# define DEBUG_Uv_TEST (0)
ad9e76a8 4209# define DEBUG_Pv_TEST (0)
bbc98134 4210# define DEBUG_Lv_TEST (0)
aea4f609 4211
488b0c7a 4212# define PERL_DEB(a)
11f9ab1a 4213# define PERL_DEB2(a,b) b
488b0c7a 4214# define PERL_DEBUG(a)
aea4f609
DM		 4215# define DEBUG_p(a)
4216# define DEBUG_s(a)
4217# define DEBUG_l(a)
4218# define DEBUG_t(a)
4219# define DEBUG_o(a)
4220# define DEBUG_c(a)
4221# define DEBUG_P(a)
4222# define DEBUG_m(a)
4223# define DEBUG_f(a)
4224# define DEBUG_r(a)
4225# define DEBUG_x(a)
4226# define DEBUG_u(a)
88d2d28a 4227# define DEBUG_U(a)
aea4f609
DM		 4228# define DEBUG_H(a)
4229# define DEBUG_X(a)
4230# define DEBUG_D(a)
56967202 4231# define DEBUG_S(a)
aea4f609 4232# define DEBUG_T(a)
04932ac8 4233# define DEBUG_R(a)
d6721266 4234# define DEBUG_v(a)
46187eeb 4235# define DEBUG_C(a)
ecae49c0
NC		 4236# define DEBUG_A(a)
4237# define DEBUG_q(a)
d7c0d282 4238# define DEBUG_M(a)
cc8773c0 4239# define DEBUG_B(a)
69014004 4240# define DEBUG_L(a)
7949c6f5
JC		 4241# define DEBUG_Xv(a)
4242# define DEBUG_Uv(a)
ad9e76a8 4243# define DEBUG_Pv(a)
bbc98134 4244# define DEBUG_Lv(a)
aea4f609
DM		 4245#endif /* DEBUGGING */
4246
4247
b4ab917c 4248#define DEBUG_SCOPE(where) \
d9f81b50 4249 DEBUG_l( \
1c98cc53
DM		 4250 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4251 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 4252 __FILE__, __LINE__));
b4ab917c 4253
de84dc04 4254/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 4255 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 4256
11f9ab1a 4257#define Perl_assert(what) PERL_DEB2( \
2b057284 4258 ((what) ? ((void) 0) : \
67eb4d30 4259 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 4260 "\", line %d", STRINGIFY(what), __LINE__), \
11f9ab1a 4261 (void) 0)), ((void)0))
de84dc04 4262
81d52ecd
JH		 4263/* assert() gets defined if DEBUGGING (and I_ASSERT).
4264 * If no DEBUGGING, the <assert.h> has not been included. */
de84dc04
NC		 4265#ifndef assert
4266# define assert(what) Perl_assert(what)
a446a88f 4267#endif
c7724415
FC		 4268#ifdef DEBUGGING
4269# define assert_(what) assert(what),
4270#else
4271# define assert_(what)
4272#endif
8d063cd8 4273
450a55e4 4274struct ufuncs {
24f81a43
DM		 4275 I32 (*uf_val)(pTHX_ IV, SV*);
4276 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 4277 IV uf_index;
450a55e4
LW		 4278};
4279
14befaf4 4280/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 4281 * XS code wanting to be backward compatible can do something
4282 * like the following:
c745e42c 4283
24f81a43 4284#ifndef PERL_MG_UFUNC
24f81a43
DM		 4285#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4286#endif
4287
4288static PERL_MG_UFUNC(foo_get, index, val)
4289{
4290 sv_setsv(val, ...);
4291 return TRUE;
4292}
4293
4294-- Doug MacEachern
4295
4296*/
4297
fc9c74e6 4298#ifndef PERL_MG_UFUNC
24f81a43 4299#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 4300#endif
24f81a43 4301
fe14fcc3 4302/* Fix these up for __STDC__ */
68dc0745 4303#ifndef DONT_DECLARE_STD
20ce7b12 4304char *mktemp (char*);
37bd1396 4305#ifndef atof
20ce7b12 4306double atof (const char*);
a0d0e21e 4307#endif
37bd1396 4308#endif
79072805 4309
352d5a3a 4310#ifndef STANDARD_C
fe14fcc3 4311/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 4312Time_t time();
8d063cd8 4313struct tm *gmtime(), *localtime();
043fec90 4314#if defined(OEMVS)
9d116dd7
JH		 4315char *(strchr)(), *(strrchr)();
4316char *(strcpy)(), *(strcat)();
4317#else
93a17b20 4318char *strchr(), *strrchr();
378cc40b 4319char *strcpy(), *strcat();
9d116dd7 4320#endif
352d5a3a 4321#endif /* ! STANDARD_C */
8d063cd8 4322
79072805
LW		 4323
4324#ifdef I_MATH
4325# include <math.h>
a80f53e7
CB		 4326# ifdef __VMS
4327 /* isfinite and others are here rather than in math.h as C99 stipulates */
4328# include <fp.h>
4329# endif
79072805 4330#else
32f822de 4331START_EXTERN_C
20ce7b12
GS		 4332 double exp (double);
4333 double log (double);
4334 double log10 (double);
4335 double sqrt (double);
4336 double frexp (double,int*);
4337 double ldexp (double,int);
4338 double modf (double,double*);
4339 double sin (double);
4340 double cos (double);
4341 double atan2 (double,double);
4342 double pow (double,double);
32f822de 4343END_EXTERN_C
79072805
LW		 4344#endif
4345
a0d0e21e 4346#ifndef __cplusplus
f05550c0 4347# if !defined(WIN32) && !defined(VMS)
10bc17b6 4348#ifndef crypt
20ce7b12 4349char *crypt (const char*, const char*);
10bc17b6 4350#endif
f05550c0 4351# endif /* !WIN32 */
26618a56
GS		 4352# ifndef DONT_DECLARE_STD
4353# ifndef getenv
20ce7b12 4354char *getenv (const char*);
26618a56 4355# endif /* !getenv */
739a0b84 4356# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 4357# ifdef _FILE_OFFSET_BITS
28ca6303 4358# if _FILE_OFFSET_BITS == 64
20ce7b12 4359Off_t lseek (int,Off_t,int);
0fc67700
JH		 4360# endif
4361# endif
bf0c440f 4362# endif
26618a56 4363# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 4364# ifndef WIN32
4365# ifndef getlogin
20ce7b12 4366char *getlogin (void);
e37d7e38
SH		 4367# endif
4368# endif /* !WIN32 */
26618a56 4369#endif /* !__cplusplus */
79072805 4370
7a7fd8e0
JM		 4371/* Fixme on VMS. This needs to be a run-time, not build time options */
4372/* Also rename() is affected by this */
16d20bd9 4373#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4374#define UNLINK unlnk
083639a9 4375I32 unlnk (pTHX_ const char*);
8d063cd8 4376#else
80252599 4377#define UNLINK PerlLIO_unlink
8d063cd8 4378#endif
a687059c 4379
fa0a29af
JH		 4380/* some versions of glibc are missing the setresuid() proto */
4381#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4382int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4383#endif
fa0a29af
JH		 4384/* some versions of glibc are missing the setresgid() proto */
4385#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4386int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4387#endif
4388
fe14fcc3 4389#ifndef HAS_SETREUID
85e6fe83
LW		 4390# ifdef HAS_SETRESUID
4391# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4392# define HAS_SETREUID
4393# endif
a687059c 4394#endif
fe14fcc3 4395#ifndef HAS_SETREGID
85e6fe83
LW		 4396# ifdef HAS_SETRESGID
4397# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4398# define HAS_SETREGID
4399# endif
a687059c 4400#endif
ee0007ab 4401
d543acb6 4402/* Sighandler_t defined in iperlsys.h */
ff68c719 4403
4404#ifdef HAS_SIGACTION
4405typedef struct sigaction Sigsave_t;
4406#else
4407typedef Sighandler_t Sigsave_t;
4408#endif
4409
ee0007ab
LW		 4410#define SCAN_DEF 0
4411#define SCAN_TR 1
4412#define SCAN_REPL 2
79072805
LW		 4413
4414#ifdef DEBUGGING
4633a7c4 4415# ifndef register
a0d0e21e
LW		 4416# define register
4417# endif
cea2e8a9 4418# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4419#else
cea2e8a9 4420# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4421#endif
4422
97cb92d6 4423#if defined(USE_PERLIO)
0934c9d9 4424EXTERN_C void PerlIO_teardown(void);
2f44961c 4425# ifdef USE_ITHREADS
6cb8cb21
RGS		 4426# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4427# define PERLIO_TERM \
4428 STMT_START { \
d0820ef1 4429 PerlIO_teardown(); \
6cb8cb21
RGS		 4430 MUTEX_DESTROY(&PL_perlio_mutex);\
4431 } STMT_END
4432# else
4433# define PERLIO_INIT
d0820ef1 4434# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4435# endif
6b29934b
NC		 4436#else
4437# define PERLIO_INIT
4438# define PERLIO_TERM
6cb8cb21
RGS		 4439#endif
4440
18f739ee 4441#ifdef MYMALLOC
772fe5b3 4442# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4443# define MALLOC_INIT \
4444 STMT_START { \
4445 PL_malloc_mutex = NULL; \
4446 MUTEX_INIT(&PL_malloc_mutex); \
4447 } STMT_END
4448# define MALLOC_TERM \
4449 STMT_START { \
4450 perl_mutex tmp = PL_malloc_mutex; \
4451 PL_malloc_mutex = NULL; \
4452 MUTEX_DESTROY(&tmp); \
4453 } STMT_END
4454# else
4455# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4456# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4457# endif
18f739ee
IZ		 4458#else
4459# define MALLOC_INIT
4460# define MALLOC_TERM
4461#endif
4462
cd1541b2 4463#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4464
4465struct perl_memory_debug_header;
cd1541b2
NC		 4466struct perl_memory_debug_header {
4467 tTHX interpreter;
b001a0d1 4468# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4469 MEM_SIZE size;
cd1541b2 4470# endif
7cb608b5
NC		 4471 struct perl_memory_debug_header *prev;
4472 struct perl_memory_debug_header *next;
b001a0d1
FC		 4473# ifdef PERL_DEBUG_READONLY_COW
4474 bool readonly;
4475# endif
4476};
4477
4478#elif defined(PERL_DEBUG_READONLY_COW)
4479
4480struct perl_memory_debug_header;
4481struct perl_memory_debug_header {
4482 MEM_SIZE size;
cd1541b2
NC		 4483};
4484
b001a0d1
FC		 4485#endif
4486
60175f94 4487#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4488
a78adc84
DM		 4489# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4490 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4491 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4492 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4493
d8fca402 4494#else
a78adc84 4495# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4496#endif
4497
7cb608b5 4498#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4499# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4500# define INIT_TRACK_MEMPOOL(header, interp) \
4501 STMT_START { \
4502 (header).interpreter = (interp); \
4503 (header).prev = (header).next = &(header); \
b001a0d1 4504 (header).readonly = 0; \
7cb608b5 4505 } STMT_END
b001a0d1
FC		 4506# else
4507# define INIT_TRACK_MEMPOOL(header, interp) \
4508 STMT_START { \
4509 (header).interpreter = (interp); \
4510 (header).prev = (header).next = &(header); \
4511 } STMT_END
4512# endif
4513# else
7cb608b5
NC		 4514# define INIT_TRACK_MEMPOOL(header, interp)
4515#endif
4516
1cd66f7c
DD		 4517#ifdef I_MALLOCMALLOC
4518/* Needed for malloc_size(), malloc_good_size() on some systems */
4519# include <malloc/malloc.h>
4520#endif
4521
ca7c1a29
NC		 4522#ifdef MYMALLOC
4523# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4524#else
b001a0d1 4525# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4526# ifdef PERL_TRACK_MEMPOOL
cfe52898 4527# define Perl_safesysmalloc_size(where) \
a78adc84 4528 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4529# else
4530# define Perl_safesysmalloc_size(where) malloc_size(where)
4531# endif
4532# endif
4533# ifdef HAS_MALLOC_GOOD_SIZE
4534# ifdef PERL_TRACK_MEMPOOL
d8fca402 4535# define Perl_malloc_good_size(how_much) \
a78adc84 4536 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4537# else
4538# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4539# endif
4540# else
d8fca402
NC		 4541/* Having this as the identity operation makes some code simpler. */
4542# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4543# endif
ca7c1a29 4544#endif
b6d9d515 4545
16c91539
BM		 4546typedef int (*runops_proc_t)(pTHX);
4547typedef void (*share_proc_t) (pTHX_ SV *sv);
4548typedef int (*thrhook_proc_t) (pTHX);
4549typedef OP* (*PPADDR_t[]) (pTHX);
4550typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4551typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4552
f05550c0
BF		 4553#if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4554# include <crt_externs.h> /* for the env array */
4555# define environ (*_NSGetEnviron())
8f1f23e8
W		 4556#else
4557 /* VMS and some other platforms don't use the environ array */
13b6e58c 4558# ifdef USE_ENVIRON_ARRAY
a6c40364 4559# if !defined(DONT_DECLARE_STD) || \
bdea967c 4560 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4561 defined(__sgi)
8f1f23e8 4562extern char ** environ; /* environment variables supplied via exec */
a6c40364 4563# endif
8f1f23e8
W		 4564# endif
4565#endif
79072805 4566
457c5385
NC		 4567#define PERL_PATCHLEVEL_H_IMPLICIT
4568#include "patchlevel.h"
4569#undef PERL_PATCHLEVEL_H_IMPLICIT
4570
4571#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4572 STRINGIFY(PERL_VERSION) "." \
4573 STRINGIFY(PERL_SUBVERSION)
4574
4575#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4576 STRINGIFY(PERL_API_VERSION) "." \
4577 STRINGIFY(PERL_API_SUBVERSION)
4578
73c4f7a1
GS		 4579START_EXTERN_C
4580
79072805 4581/* handy constants */
22c35a8c 4582EXTCONST char PL_warn_uninit[]
29489e7c 4583 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4584EXTCONST char PL_warn_uninit_sv[]
61608bb7 4585 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4586EXTCONST char PL_warn_nosemi[]
463ee0b2 4587 INIT("Semicolon seems to be missing");
22c35a8c 4588EXTCONST char PL_warn_reserved[]
463ee0b2 4589 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4590EXTCONST char PL_warn_nl[]
93a17b20 4591 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4592EXTCONST char PL_no_wrongref[]
a0d0e21e 4593 INIT("Can't use %s ref as %s ref");
fedf30e1 4594/* The core no longer needs this here. If you require the string constant,
def89bff 4595 please inline a copy into your own code. */
973a7615
NC		 4596EXTCONST char PL_no_symref[] __attribute__deprecated__
4597 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
fedf30e1
DM		 4598EXTCONST char PL_no_symref_sv[]
4599 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4600
22c35a8c 4601EXTCONST char PL_no_usym[]
8990e307 4602 INIT("Can't use an undefined value as %s reference");
22c35a8c 4603EXTCONST char PL_no_aelem[]
93a17b20 4604 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4605EXTCONST char PL_no_helem_sv[]
61608bb7 4606 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4607EXTCONST char PL_no_modify[]
93a17b20 4608 INIT("Modification of a read-only value attempted");
4cbe3a7d 4609EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4610 INIT("Out of memory!\n");
22c35a8c 4611EXTCONST char PL_no_security[]
463ee0b2 4612 INIT("Insecure dependency in %s%s");
22c35a8c 4613EXTCONST char PL_no_sock_func[]
93a17b20 4614 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4615EXTCONST char PL_no_dir_func[]
93a17b20 4616 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4617EXTCONST char PL_no_func[]
93a17b20 4618 INIT("The %s function is unimplemented");
22c35a8c 4619EXTCONST char PL_no_myglob[]
a21eb52b 4620 INIT("\"%s\" %se %s can't be in a package");
82d03984
RGS		 4621EXTCONST char PL_no_localize_ref[]
4622 INIT("Can't localize through a reference");
27d5b266
JH		 4623EXTCONST char PL_memory_wrap[]
4624 INIT("panic: memory wrap");
93a17b20 4625
58f645e2
NC		 4626EXTCONST char PL_Yes[]
4627 INIT("1");
4628EXTCONST char PL_No[]
4629 INIT("");
4630EXTCONST char PL_hexdigit[]
4631 INIT("0123456789abcdef0123456789ABCDEF");
4632
0447859b
NC		 4633/* This is constant on most architectures, a global on OS/2 */
4634#ifndef OS2
4635EXTCONST char PL_sh_path[]
4636 INIT(SH_PATH); /* full path of shell */
4637#endif
4638
618b9757
NC		 4639#ifdef CSH
4640EXTCONST char PL_cshname[]
4641 INIT(CSH);
4642# define PL_cshlen (sizeof(CSH "") - 1)
4643#endif
4644
457c5385
NC		 4645/* These are baked at compile time into any shared perl library.
4646 In future releases this will allow us in main() to sanity test the
4647 library we're linking against. */
4648
4649EXTCONST U8 PL_revision
4650 INIT(PERL_REVISION);
4651EXTCONST U8 PL_version
4652 INIT(PERL_VERSION);
4653EXTCONST U8 PL_subversion
4654 INIT(PERL_SUBVERSION);
4655
7575fa06 4656EXTCONST char PL_uuemap[65]
80252599
GS		 4657 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4658
79072805 4659#ifdef DOINIT
9444d213 4660EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4661# ifdef PERL_MICRO
4662# include "uuudmap.h"
4663# else
4664# include "uudmap.h"
4665# endif
9444d213 4666;
efa50c51 4667EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4668# ifdef PERL_MICRO
4669# include "ubitcount.h"
4670#else
4671# include "bitcount.h"
4672# endif
efa50c51 4673;
27da23d5
JH		 4674EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4675EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4676#else
9444d213 4677EXTCONST char PL_uudmap[256];
efa50c51 4678EXTCONST char PL_bitcount[256];
27da23d5
JH		 4679EXTCONST char* const PL_sig_name[];
4680EXTCONST int PL_sig_num[];
79072805
LW		 4681#endif
4682
6d8e7a01
KW		 4683/* fast conversion and case folding tables. The folding tables complement the
4684 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4685 * folds such as outside the range or to multiple characters. */
bbce6d69 4686
79072805 4687#ifdef DOINIT
d02f4dad
KW		 4688#ifndef EBCDIC
4689
4690/* The EBCDIC fold table depends on the code page, and hence is found in
4691 * utfebcdic.h */
4692
22c35a8c 4693EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4694 0, 1, 2, 3, 4, 5, 6, 7,
4695 8, 9, 10, 11, 12, 13, 14, 15,
4696 16, 17, 18, 19, 20, 21, 22, 23,
4697 24, 25, 26, 27, 28, 29, 30, 31,
4698 32, 33, 34, 35, 36, 37, 38, 39,
4699 40, 41, 42, 43, 44, 45, 46, 47,
4700 48, 49, 50, 51, 52, 53, 54, 55,
4701 56, 57, 58, 59, 60, 61, 62, 63,
4702 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4703 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4704 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4705 'x', 'y', 'z', 91, 92, 93, 94, 95,
4706 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4707 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4708 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4709 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4710 128, 129, 130, 131, 132, 133, 134, 135,
4711 136, 137, 138, 139, 140, 141, 142, 143,
4712 144, 145, 146, 147, 148, 149, 150, 151,
4713 152, 153, 154, 155, 156, 157, 158, 159,
4714 160, 161, 162, 163, 164, 165, 166, 167,
4715 168, 169, 170, 171, 172, 173, 174, 175,
4716 176, 177, 178, 179, 180, 181, 182, 183,
4717 184, 185, 186, 187, 188, 189, 190, 191,
4718 192, 193, 194, 195, 196, 197, 198, 199,
4719 200, 201, 202, 203, 204, 205, 206, 207,
4720 208, 209, 210, 211, 212, 213, 214, 215,
4721 216, 217, 218, 219, 220, 221, 222, 223,
4722 224, 225, 226, 227, 228, 229, 230, 231,
4723 232, 233, 234, 235, 236, 237, 238, 239,
4724 240, 241, 242, 243, 244, 245, 246, 247,
4725 248, 249, 250, 251, 252, 253, 254, 255
4726};
3871f40b
KW		 4727EXTCONST unsigned char PL_fold_latin1[] = {
4728 /* Full latin1 complement folding, except for three problematic code points:
4729 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4730 * fold complements outside the Latin1 range, so can't match something
4731 * that isn't in utf8.
4732 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4733 * not one, so can't be represented in this table.
4734 *
4735 * All have to be specially handled */
4736 0, 1, 2, 3, 4, 5, 6, 7,
4737 8, 9, 10, 11, 12, 13, 14, 15,
4738 16, 17, 18, 19, 20, 21, 22, 23,
4739 24, 25, 26, 27, 28, 29, 30, 31,
4740 32, 33, 34, 35, 36, 37, 38, 39,
4741 40, 41, 42, 43, 44, 45, 46, 47,
4742 48, 49, 50, 51, 52, 53, 54, 55,
4743 56, 57, 58, 59, 60, 61, 62, 63,
4744 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4745 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4746 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4747 'x', 'y', 'z', 91, 92, 93, 94, 95,
4748 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4749 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4750 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4751 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4752 128, 129, 130, 131, 132, 133, 134, 135,
4753 136, 137, 138, 139, 140, 141, 142, 143,
4754 144, 145, 146, 147, 148, 149, 150, 151,
4755 152, 153, 154, 155, 156, 157, 158, 159,
4756 160, 161, 162, 163, 164, 165, 166, 167,
4757 168, 169, 170, 171, 172, 173, 174, 175,
4758 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4759 184, 185, 186, 187, 188, 189, 190, 191,
4760 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4761 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4762 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4763 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4764 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4765 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4766 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4767 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4768 255 /* y with diaeresis */
4769};
00f254e2
KW		 4770
4771/* If these tables are accessed through ebcdic, the access will be converted to
4772 * latin1 first */
4773EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4774 0, 1, 2, 3, 4, 5, 6, 7,
4775 8, 9, 10, 11, 12, 13, 14, 15,
4776 16, 17, 18, 19, 20, 21, 22, 23,
4777 24, 25, 26, 27, 28, 29, 30, 31,
4778 32, 33, 34, 35, 36, 37, 38, 39,
4779 40, 41, 42, 43, 44, 45, 46, 47,
4780 48, 49, 50, 51, 52, 53, 54, 55,
4781 56, 57, 58, 59, 60, 61, 62, 63,
4782 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4783 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4784 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4785 'x', 'y', 'z', 91, 92, 93, 94, 95,
4786 96, 97, 98, 99, 100, 101, 102, 103,
4787 104, 105, 106, 107, 108, 109, 110, 111,
4788 112, 113, 114, 115, 116, 117, 118, 119,
4789 120, 121, 122, 123, 124, 125, 126, 127,
4790 128, 129, 130, 131, 132, 133, 134, 135,
4791 136, 137, 138, 139, 140, 141, 142, 143,
4792 144, 145, 146, 147, 148, 149, 150, 151,
4793 152, 153, 154, 155, 156, 157, 158, 159,
4794 160, 161, 162, 163, 164, 165, 166, 167,
4795 168, 169, 170, 171, 172, 173, 174, 175,
4796 176, 177, 178, 179, 180, 181, 182, 183,
4797 184, 185, 186, 187, 188, 189, 190, 191,
4798 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4799 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4800 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4801 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4802 224, 225, 226, 227, 228, 229, 230, 231,
4803 232, 233, 234, 235, 236, 237, 238, 239,
4804 240, 241, 242, 243, 244, 245, 246, 247,
4805 248, 249, 250, 251, 252, 253, 254, 255
4806};
4807
4808/* upper and title case of latin1 characters, modified so that the three tricky
4809 * ones are mapped to 255 (which is one of the three) */
4810EXTCONST unsigned char PL_mod_latin1_uc[] = {
4811 0, 1, 2, 3, 4, 5, 6, 7,
4812 8, 9, 10, 11, 12, 13, 14, 15,
4813 16, 17, 18, 19, 20, 21, 22, 23,
4814 24, 25, 26, 27, 28, 29, 30, 31,
4815 32, 33, 34, 35, 36, 37, 38, 39,
4816 40, 41, 42, 43, 44, 45, 46, 47,
4817 48, 49, 50, 51, 52, 53, 54, 55,
4818 56, 57, 58, 59, 60, 61, 62, 63,
4819 64, 65, 66, 67, 68, 69, 70, 71,
4820 72, 73, 74, 75, 76, 77, 78, 79,
4821 80, 81, 82, 83, 84, 85, 86, 87,
4822 88, 89, 90, 91, 92, 93, 94, 95,
4823 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4824 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4825 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4826 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4827 128, 129, 130, 131, 132, 133, 134, 135,
4828 136, 137, 138, 139, 140, 141, 142, 143,
4829 144, 145, 146, 147, 148, 149, 150, 151,
4830 152, 153, 154, 155, 156, 157, 158, 159,
4831 160, 161, 162, 163, 164, 165, 166, 167,
4832 168, 169, 170, 171, 172, 173, 174, 175,
4833 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4834 184, 185, 186, 187, 188, 189, 190, 191,
4835 192, 193, 194, 195, 196, 197, 198, 199,
4836 200, 201, 202, 203, 204, 205, 206, 207,
4837 208, 209, 210, 211, 212, 213, 214, 215,
79e064b9
KW		 4838 216, 217, 218, 219, 220, 221, 222,
4839#if UNICODE_MAJOR_VERSION > 2 \
4840 || (UNICODE_MAJOR_VERSION == 2 && UNICODE_DOT_VERSION >= 1 \
4841 && UNICODE_DOT_DOT_VERSION >= 8)
4842 255 /*sharp s*/,
4843#else /* uc() is itself in early unicode */
4844 223,
4845#endif
00f254e2
KW		 4846 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4847 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4848 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4849 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4850};
1248eb9d 4851#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4852#else /* ! DOINIT */
1248eb9d 4853# ifndef EBCDIC
22c35a8c 4854EXTCONST unsigned char PL_fold[];
3871f40b 4855EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4856EXTCONST unsigned char PL_mod_latin1_uc[];
4857EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4858# endif
79072805
LW		 4859#endif
4860
27da23d5 4861#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4862#ifdef DOINIT
27da23d5 4863EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4864 0, 1, 2, 3, 4, 5, 6, 7,
4865 8, 9, 10, 11, 12, 13, 14, 15,
4866 16, 17, 18, 19, 20, 21, 22, 23,
4867 24, 25, 26, 27, 28, 29, 30, 31,
4868 32, 33, 34, 35, 36, 37, 38, 39,
4869 40, 41, 42, 43, 44, 45, 46, 47,
4870 48, 49, 50, 51, 52, 53, 54, 55,
4871 56, 57, 58, 59, 60, 61, 62, 63,
4872 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4873 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4874 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4875 'x', 'y', 'z', 91, 92, 93, 94, 95,
4876 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4877 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4878 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4879 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4880 128, 129, 130, 131, 132, 133, 134, 135,
4881 136, 137, 138, 139, 140, 141, 142, 143,
4882 144, 145, 146, 147, 148, 149, 150, 151,
4883 152, 153, 154, 155, 156, 157, 158, 159,
4884 160, 161, 162, 163, 164, 165, 166, 167,
4885 168, 169, 170, 171, 172, 173, 174, 175,
4886 176, 177, 178, 179, 180, 181, 182, 183,
4887 184, 185, 186, 187, 188, 189, 190, 191,
4888 192, 193, 194, 195, 196, 197, 198, 199,
4889 200, 201, 202, 203, 204, 205, 206, 207,
4890 208, 209, 210, 211, 212, 213, 214, 215,
4891 216, 217, 218, 219, 220, 221, 222, 223,
4892 224, 225, 226, 227, 228, 229, 230, 231,
4893 232, 233, 234, 235, 236, 237, 238, 239,
4894 240, 241, 242, 243, 244, 245, 246, 247,
4895 248, 249, 250, 251, 252, 253, 254, 255
4896};
4897#else
27da23d5 4898EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4899#endif
27da23d5 4900#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4901
4902#ifdef DOINIT
9d116dd7 4903#ifdef EBCDIC
27da23d5 4904EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4905 1, 2, 84, 151, 154, 155, 156, 157,
4906 165, 246, 250, 3, 158, 7, 18, 29,
4907 40, 51, 62, 73, 85, 96, 107, 118,
4908 129, 140, 147, 148, 149, 150, 152, 153,
4909 255, 6, 8, 9, 10, 11, 12, 13,
4910 14, 15, 24, 25, 26, 27, 28, 226,
4911 29, 30, 31, 32, 33, 43, 44, 45,
4912 46, 47, 48, 49, 50, 76, 77, 78,
4913 79, 80, 81, 82, 83, 84, 85, 86,
4914 87, 94, 95, 234, 181, 233, 187, 190,
4915 180, 96, 97, 98, 99, 100, 101, 102,
4916 104, 112, 182, 174, 236, 232, 229, 103,
4917 228, 226, 114, 115, 116, 117, 118, 119,
4918 120, 121, 122, 235, 176, 230, 194, 162,
4919 130, 131, 132, 133, 134, 135, 136, 137,
4920 138, 139, 201, 205, 163, 217, 220, 224,
4921 5, 248, 227, 244, 242, 255, 241, 231,
4922 240, 253, 16, 197, 19, 20, 21, 187,
4923 23, 169, 210, 245, 237, 249, 247, 239,
4924 168, 252, 34, 196, 36, 37, 38, 39,
4925 41, 42, 251, 254, 238, 223, 221, 213,
4926 225, 177, 52, 53, 54, 55, 56, 57,
4927 58, 59, 60, 61, 63, 64, 65, 66,
4928 67, 68, 69, 70, 71, 72, 74, 75,
4929 205, 208, 186, 202, 200, 218, 198, 179,
4930 178, 214, 88, 89, 90, 91, 92, 93,
4931 217, 166, 170, 207, 199, 209, 206, 204,
4932 160, 212, 105, 106, 108, 109, 110, 111,
4933 203, 113, 216, 215, 192, 175, 193, 243,
4934 172, 161, 123, 124, 125, 126, 127, 128,
4935 222, 219, 211, 195, 188, 193, 185, 184,
4936 191, 183, 141, 142, 143, 144, 145, 146
4937};
4938#else /* ascii rather than ebcdic */
22c35a8c 4939EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4940 1, 2, 84, 151, 154, 155, 156, 157,
4941 165, 246, 250, 3, 158, 7, 18, 29,
4942 40, 51, 62, 73, 85, 96, 107, 118,
4943 129, 140, 147, 148, 149, 150, 152, 153,
4944 255, 182, 224, 205, 174, 176, 180, 217,
4945 233, 232, 236, 187, 235, 228, 234, 226,
4946 222, 219, 211, 195, 188, 193, 185, 184,
4947 191, 183, 201, 229, 181, 220, 194, 162,
4948 163, 208, 186, 202, 200, 218, 198, 179,
4949 178, 214, 166, 170, 207, 199, 209, 206,
4950 204, 160, 212, 216, 215, 192, 175, 173,
4951 243, 172, 161, 190, 203, 189, 164, 230,
4952 167, 248, 227, 244, 242, 255, 241, 231,
4953 240, 253, 169, 210, 245, 237, 249, 247,
4954 239, 168, 252, 251, 254, 238, 223, 221,
4955 213, 225, 177, 197, 171, 196, 159, 4,
4956 5, 6, 8, 9, 10, 11, 12, 13,
4957 14, 15, 16, 17, 19, 20, 21, 22,
4958 23, 24, 25, 26, 27, 28, 30, 31,
4959 32, 33, 34, 35, 36, 37, 38, 39,
4960 41, 42, 43, 44, 45, 46, 47, 48,
4961 49, 50, 52, 53, 54, 55, 56, 57,
4962 58, 59, 60, 61, 63, 64, 65, 66,
4963 67, 68, 69, 70, 71, 72, 74, 75,
4964 76, 77, 78, 79, 80, 81, 82, 83,
4965 86, 87, 88, 89, 90, 91, 92, 93,
4966 94, 95, 97, 98, 99, 100, 101, 102,
4967 103, 104, 105, 106, 108, 109, 110, 111,
4968 112, 113, 114, 115, 116, 117, 119, 120,
4969 121, 122, 123, 124, 125, 126, 127, 128,
4970 130, 131, 132, 133, 134, 135, 136, 137,
4971 138, 139, 141, 142, 143, 144, 145, 146
4972};
9d116dd7 4973#endif
79072805 4974#else
22c35a8c 4975EXTCONST unsigned char PL_freq[];
79072805
LW		 4976#endif
4977
b0812ba3
DM		 4978/* Although only used for debugging, these constants must be available in
4979 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4980 * which has DEBUGGING enabled always */
8990e307 4981#ifdef DOINIT
27da23d5 4982EXTCONST char* const PL_block_type[] = {
8990e307 4983 "NULL",
d01136d6 4984 "WHEN",
8990e307 4985 "BLOCK",
0d863452 4986 "GIVEN",
d01136d6
BS		 4987 "LOOP_FOR",
4988 "LOOP_PLAIN",
4989 "LOOP_LAZYSV",
4990 "LOOP_LAZYIV",
76753e7f
NC		 4991 "SUB",
4992 "FORMAT",
4993 "EVAL",
4994 "SUBST"
8990e307
LW		 4995};
4996#else
22c35a8c 4997EXTCONST char* PL_block_type[];
8990e307 4998#endif
8990e307 4999
b75885fd
NC		 5000/* These are all the compile time options that affect binary compatibility.
5001 Other compile time options that are binary compatible are in perl.c
5002 Both are combined for the output of perl -V
5003 However, this string will be embedded in any shared perl library, which will
5004 allow us add a comparison check in perlmain.c in the near future. */
5005#ifdef DOINIT
5006EXTCONST char PL_bincompat_options[] =
5007# ifdef DEBUG_LEAKING_SCALARS
5008 " DEBUG_LEAKING_SCALARS"
5009# endif
5010# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
5011 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
5012# endif
eba804b9
NC		 5013# ifdef FCRYPT
5014 " FCRYPT"
5015# endif
5016# ifdef HAS_TIMES
5017 " HAS_TIMES"
5018# endif
5019# ifdef HAVE_INTERP_INTERN
426f6eb2 5020 " HAVE_INTERP_INTERN"
eba804b9 5021# endif
b75885fd
NC		 5022# ifdef MULTIPLICITY
5023 " MULTIPLICITY"
5024# endif
5025# ifdef MYMALLOC
5026 " MYMALLOC"
5027# endif
eba804b9
NC		 5028# ifdef PERLIO_LAYERS
5029 " PERLIO_LAYERS"
5030# endif
cb26ef7a
MB		 5031# ifdef PERL_DEBUG_READONLY_COW
5032 " PERL_DEBUG_READONLY_COW"
5033# endif
b75885fd
NC		 5034# ifdef PERL_DEBUG_READONLY_OPS
5035 " PERL_DEBUG_READONLY_OPS"
5036# endif
5037# ifdef PERL_GLOBAL_STRUCT
5038 " PERL_GLOBAL_STRUCT"
5039# endif
59dba841
JH		 5040# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5041 " PERL_GLOBAL_STRUCT_PRIVATE"
5042# endif
b75885fd
NC		 5043# ifdef PERL_IMPLICIT_CONTEXT
5044 " PERL_IMPLICIT_CONTEXT"
5045# endif
5046# ifdef PERL_IMPLICIT_SYS
5047 " PERL_IMPLICIT_SYS"
5048# endif
eba804b9
NC		 5049# ifdef PERL_MICRO
5050 " PERL_MICRO"
5051# endif
b75885fd
NC		 5052# ifdef PERL_NEED_APPCTX
5053 " PERL_NEED_APPCTX"
5054# endif
5055# ifdef PERL_NEED_TIMESBASE
5056 " PERL_NEED_TIMESBASE"
5057# endif
b75885fd
NC		 5058# ifdef PERL_POISON
5059 " PERL_POISON"
5060# endif
5b50f57e
FC		 5061# ifdef PERL_SAWAMPERSAND
5062 " PERL_SAWAMPERSAND"
5063# endif
b75885fd
NC		 5064# ifdef PERL_TRACK_MEMPOOL
5065 " PERL_TRACK_MEMPOOL"
5066# endif
5067# ifdef PERL_USES_PL_PIDSTATUS
5068 " PERL_USES_PL_PIDSTATUS"
5069# endif
b75885fd
NC		 5070# ifdef USE_64_BIT_ALL
5071 " USE_64_BIT_ALL"
5072# endif
5073# ifdef USE_64_BIT_INT
5074 " USE_64_BIT_INT"
5075# endif
c7b392fa
NC		 5076# ifdef USE_IEEE
5077 " USE_IEEE"
5078# endif
b75885fd
NC		 5079# ifdef USE_ITHREADS
5080 " USE_ITHREADS"
5081# endif
5082# ifdef USE_LARGE_FILES
5083 " USE_LARGE_FILES"
5084# endif
eba804b9
NC		 5085# ifdef USE_LOCALE_COLLATE
5086 " USE_LOCALE_COLLATE"
5087# endif
5088# ifdef USE_LOCALE_NUMERIC
5089 " USE_LOCALE_NUMERIC"
5090# endif
56e45410
KW		 5091# ifdef USE_LOCALE_TIME
5092 " USE_LOCALE_TIME"
5093# endif
b75885fd
NC		 5094# ifdef USE_LONG_DOUBLE
5095 " USE_LONG_DOUBLE"
5096# endif
5097# ifdef USE_PERLIO
5098 " USE_PERLIO"
5099# endif
05b4a618
JH		 5100# ifdef USE_QUADMATH
5101 " USE_QUADMATH"
5102# endif
b75885fd
NC		 5103# ifdef USE_REENTRANT_API
5104 " USE_REENTRANT_API"
5105# endif
b75885fd
NC		 5106# ifdef USE_SOCKS
5107 " USE_SOCKS"
5108# endif
4f575702
CB		 5109# ifdef VMS_DO_SOCKETS
5110 " VMS_DO_SOCKETS"
4f575702 5111# endif
e8b231c6
CB		 5112# ifdef VMS_SHORTEN_LONG_SYMBOLS
5113 " VMS_SHORTEN_LONG_SYMBOLS"
5114# endif
ad5e438d
NC		 5115# ifdef VMS_WE_ARE_CASE_SENSITIVE
5116 " VMS_SYMBOL_CASE_AS_IS"
5117# endif
a68dd89e 5118 "";
b75885fd
NC		 5119#else
5120EXTCONST char PL_bincompat_options[];
5121#endif
5122
ca7b837b
SM		 5123#ifndef PERL_SET_PHASE
5124# define PERL_SET_PHASE(new_phase) \
cb3f8189 5125 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 5126 PL_phase = new_phase;
5127#endif
5128
9ebf26ad
FR		 5129/* The interpreter phases. If these ever change, PL_phase_names right below will
5130 * need to be updated accordingly. */
5131enum perl_phase {
5132 PERL_PHASE_CONSTRUCT = 0,
5133 PERL_PHASE_START = 1,
5134 PERL_PHASE_CHECK = 2,
5135 PERL_PHASE_INIT = 3,
5136 PERL_PHASE_RUN = 4,
5137 PERL_PHASE_END = 5,
5138 PERL_PHASE_DESTRUCT = 6
5139};
5140
5141#ifdef DOINIT
5142EXTCONST char *const PL_phase_names[] = {
5143 "CONSTRUCT",
5144 "START",
5145 "CHECK",
5146 "INIT",
5147 "RUN",
5148 "END",
5149 "DESTRUCT"
5150};
5151#else
5152EXTCONST char *const PL_phase_names[];
5153#endif
5154
627364f1
FR		 5155#ifndef PERL_CORE
5156/* Do not use this macro. It only exists for extensions that rely on PL_dirty
5157 * instead of using the newer PL_phase, which provides everything PL_dirty
5158 * provided, and more. */
5159# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 5160
5161# define PL_amagic_generation PL_na
627364f1
FR		 5162#endif /* !PERL_CORE */
5163
823ac2c8
FC		 5164#define PL_hints PL_compiling.cop_hints
5165
73c4f7a1
GS		 5166END_EXTERN_C
5167
79072805
LW		 5168/*****************************************************************************/
5169/* This lexer/parser stuff is currently global since yacc is hard to reenter */
5170/*****************************************************************************/
8990e307 5171/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 5172
d4c3c482 5173#ifdef __Lynx__
9cffb111
OS		 5174/* LynxOS defines these in scsi.h which is included via ioctl.h */
5175#ifdef FORMAT
5176#undef FORMAT
5177#endif
5178#ifdef SPACE
5179#undef SPACE
5180#endif
d4c3c482 5181#endif
9cffb111 5182
fb73857a 5183#define LEX_NOTPARSING 11 /* borrowed from toke.c */
5184
79072805
LW		 5185typedef enum {
5186 XOPERATOR,
5187 XTERM,
79072805 5188 XREF,
8990e307 5189 XSTATE,
a0d0e21e 5190 XBLOCK,
09bef843
SB		 5191 XATTRBLOCK,
5192 XATTRTERM,
6f33ba73 5193 XTERMBLOCK,
b5b6210a 5194 XBLOCKTERM,
89f35911 5195 XPOSTDEREF,
6f33ba73 5196 XTERMORDORDOR /* evil hack */
27308ded 5197 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 5198} expectation;
5199
d5ec2987
NC		 5200/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
5201 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 5202 However, bitops store HINT_INTEGER in their op_private.
5203
5204 NOTE: The typical module using these has the bit value hard-coded, so don't
d6ded950
KW		 5205 blindly change the values of these.
5206
5207 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
5208 is for "use locale 'FOO'" which excludes some categories. It requires going
5209 to %^H to find out which are in and which are out. This could be extended
5210 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
5211 any locale form. */
9cfe5470
RGS		 5212#define HINT_INTEGER 0x00000001 /* integer pragma */
5213#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
5214#define HINT_LOCALE 0x00000004 /* locale pragma */
5215#define HINT_BYTES 0x00000008 /* bytes pragma */
d6ded950 5216#define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
894ea76b
FC		 5217
5218#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
5219#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
5220#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 5221
5222#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 5223#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
5224#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 5225#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 5226
9cfe5470 5227/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 5228#define HINT_NEW_INTEGER 0x00001000
5229#define HINT_NEW_FLOAT 0x00002000
5230#define HINT_NEW_BINARY 0x00004000
5231#define HINT_NEW_STRING 0x00008000
5232#define HINT_NEW_RE 0x00010000
5233#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 5234#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
5235#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 5236
9cfe5470
RGS		 5237#define HINT_RE_TAINT 0x00100000 /* re pragma */
5238#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 5239
9cfe5470
RGS		 5240#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
5241#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 5242
e46c382e
YK		 5243#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
5244
1e215989
FC		 5245#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
5246
a803b9b4
FC		 5247#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
5248
15da1ccf
FC		 5249 /* Note: Used for HINT_M_VMSISH_*,
5250 currently defined by vms/vmsish.h:
894ea76b
FC		 5251 0x40000000
5252 0x80000000
5253 */
d1718a7c 5254
0239f47c 5255/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 5256#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
5257#define HINT_SORT_QUICKSORT 0x00000001
5258#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 5259#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 5260
d3b97530
DM		 5261/* flags for PL_sawampersand */
5262
5263#define SAWAMPERSAND_LEFT 1 /* saw $` */
5264#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5265#define SAWAMPERSAND_RIGHT 4 /* saw $' */
5266
1a904fc8
FC		 5267#ifndef PERL_SAWAMPERSAND
5268# define PL_sawampersand \
5269 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5270#endif
5271
a6d69523
TC		 5272/* Used for debugvar magic */
5273#define DBVARMG_SINGLE 0
5274#define DBVARMG_TRACE 1
5275#define DBVARMG_SIGNAL 2
5276#define DBVARMG_COUNT 3
5277
5278#define PL_DBsingle_iv (PL_DBcontrol[DBVARMG_SINGLE])
5279#define PL_DBtrace_iv (PL_DBcontrol[DBVARMG_TRACE])
5280#define PL_DBsignal_iv (PL_DBcontrol[DBVARMG_SIGNAL])
5281
8bfdd7d9 5282/* Various states of the input record separator SV (rs) */
d4cce5f1 5283#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 5284#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5285#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 5286#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 5287
128e8167 5288/* A struct for keeping various DEBUGGING related stuff,
ce333219 5289 * neatly packed. Currently only scratch variables for
128e8167
JH		 5290 * constructing debug output are included. Needed always,
5291 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 5292struct perl_debug_pad {
5293 SV pad[3];
5294};
5295
5296#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 5297#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5298 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5299 PERL_DEBUG_PAD(i))
ce333219 5300
56953603 5301/* Enable variables which are pointers to functions */
16c91539
BM		 5302typedef void (*peep_t)(pTHX_ OP* o);
5303typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5304typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 5305 char* strend, char* strbeg, I32 minend,
5306 SV* screamer, void* data, U32 flags);
16c91539 5307typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 5308 char *strpos, char *strend,
5309 U32 flags,
9f61653a 5310 re_scream_pos_data *d);
16c91539
BM		 5311typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5312typedef void (*regfree_t) (pTHX_ struct regexp* r);
5313typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 5314typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 5315
c76ac1ee 5316typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 5317typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 5318typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 5319typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 5320typedef void (*XSINIT_t) (pTHX);
5321typedef void (*ATEXIT_t) (pTHX_ void*);
5322typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 5323
16c91539
BM		 5324typedef OP* (*Perl_ppaddr_t)(pTHX);
5325typedef OP* (*Perl_check_t) (pTHX_ OP*);
5326typedef void(*Perl_ophook_t)(pTHX_ OP*);
5327typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 5328typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 5329
d67594ff
FC		 5330typedef void(*globhook_t)(pTHX);
5331
88e1f1a2
JV		 5332#define KEYWORD_PLUGIN_DECLINE 0
5333#define KEYWORD_PLUGIN_STMT 1
5334#define KEYWORD_PLUGIN_EXPR 2
22239a37 5335
58a50f62
GS		 5336/* Interpreter exitlist entry */
5337typedef struct exitlistentry {
acfe0abc 5338 void (*fn) (pTHX_ void*);
58a50f62
GS		 5339 void *ptr;
5340} PerlExitListEntry;
5341
aadb217d
JH		 5342/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5343/* These have to be before perlvars.h */
5344#if !defined(HAS_SIGACTION) && defined(VMS)
5345# define FAKE_PERSISTENT_SIGNAL_HANDLERS
5346#endif
5347/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5348#if defined(KILL_BY_SIGPRC)
5349# define FAKE_DEFAULT_SIGNAL_HANDLERS
5350#endif
5351
8c1cc017
NC		 5352#if !defined(MULTIPLICITY)
5353
5354struct interpreter {
5355 char broiled;
22239a37
NIS		 5356};
5357
8c1cc017 5358#else
22239a37 5359
d460ef45 5360/* If we have multiple interpreters define a struct
d4cce5f1 5361 holding variables which must be per-interpreter
d460ef45 5362 If we don't have threads anything that would have
d4cce5f1
NIS		 5363 be per-thread is per-interpreter.
5364*/
5365
8c1cc017 5366/* Set up PERLVAR macros for populating structs */
115ff745 5367# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 5368
5369/* 'var' is an array of length 'n' */
115ff745 5370# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 5371
5372/* initialize 'var' to init' */
115ff745 5373# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 5374
5375/* like PERLVARI, but make 'var' a const */
115ff745 5376# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 5377
79072805 5378struct interpreter {
7766f137 5379# include "intrpvar.h"
49f531da 5380};
d4cce5f1 5381
724cf8d6
NC		 5382EXTCONST U16 PL_interp_size
5383 INIT(sizeof(struct interpreter));
5384
5385# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5386 STRUCT_OFFSET(struct interpreter, member) + \
5387 sizeof(((struct interpreter*)0)->member)
5388
5389/* This will be useful for subsequent releases, because this has to be the
5390 same in your libperl as in main(), else you have a mismatch and must abort.
5391*/
d399cf59
NC		 5392EXTCONST U16 PL_interp_size_5_18_0
5393 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 5394
5395
8c1cc017
NC		 5396# ifdef PERL_GLOBAL_STRUCT
5397/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5398 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5399
5400struct perl_vars {
5401# include "perlvars.h"
49f531da 5402};
8c1cc017 5403
724cf8d6
NC		 5404EXTCONST U16 PL_global_struct_size
5405 INIT(sizeof(struct perl_vars));
5406
8c1cc017
NC		 5407# ifdef PERL_CORE
5408# ifndef PERL_GLOBAL_STRUCT_PRIVATE
5409EXT struct perl_vars PL_Vars;
5410EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5411# undef PERL_GET_VARS
5412# define PERL_GET_VARS() PL_VarsPtr
5413# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5414# else /* PERL_CORE */
5415# if !defined(__GNUC__) || !defined(WIN32)
5416EXT
5417# endif /* WIN32 */
5418struct perl_vars *PL_VarsPtr;
5419# define PL_Vars (*((PL_VarsPtr) \
5420 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5421# endif /* PERL_CORE */
5422# endif /* PERL_GLOBAL_STRUCT */
79072805 5423
22239a37 5424/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5425# undef PERLVAR
5426# undef PERLVARA
5427# undef PERLVARI
5428# undef PERLVARIC
8c1cc017
NC		 5429
5430#endif /* MULTIPLICITY */
79072805 5431
f7fe979e 5432struct tempsym; /* defined in pp_pack.c */
49704364 5433
22239a37 5434#include "thread.h"
79072805 5435#include "pp.h"
864dbfa3 5436
0cb96387
GS		 5437#undef PERL_CKDEF
5438#undef PERL_PPDEF
0159f81b
JH		 5439#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5440#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5441
158cfab6
JD		 5442#ifdef MYMALLOC
5443# include "malloc_ctl.h"
5444#endif
5445
fc6bde6f
DD		 5446/*
5447 * This provides a layer of functions and macros to ensure extensions will
5448 * get to use the same RTL functions as the core.
5449 */
5450#if defined(WIN32)
5451# include "win32iop.h"
5452#endif
5453
839a9f02 5454
7766f137 5455#include "proto.h"
864dbfa3 5456
0cb96387 5457/* this has structure inits, so it cannot be included before here */
acfe0abc 5458#include "opcode.h"
864dbfa3 5459
d4cce5f1
NIS		 5460/* The following must follow proto.h as #defines mess up syntax */
5461
22c35a8c
GS		 5462#if !defined(PERL_FOR_X2P)
5463# include "embedvar.h"
5464#endif
d4cce5f1 5465
d460ef45 5466/* Now include all the 'global' variables
d4cce5f1 5467 * If we don't have threads or multiple interpreters
d460ef45 5468 * these include variables that would have been their struct-s
d4cce5f1 5469 */
d460ef45 5470
115ff745
NC		 5471#define PERLVAR(prefix,var,type) EXT type PL_##var;
5472#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5473#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5474#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5475
acfe0abc 5476#if !defined(MULTIPLICITY)
7766f137 5477START_EXTERN_C
066ef5b5 5478# include "intrpvar.h"
7766f137 5479END_EXTERN_C
22239a37
NIS		 5480#endif
5481
24792b8d
NC		 5482#ifdef PERL_CORE
5483/* All core uses now exterminated. Ensure no zombies can return: */
5484# undef PL_na
5485#endif
5486
f9293c5b
NC		 5487/* Now all the config stuff is setup we can include embed.h
5488 In particular, need the relevant *ish file included already, as it may
5489 define HAVE_INTERP_INTERN */
5490#include "embed.h"
22239a37 5491
c5be433b
GS		 5492#ifndef PERL_GLOBAL_STRUCT
5493START_EXTERN_C
5494
5495# include "perlvars.h"
5496
5497END_EXTERN_C
5498#endif
5499
d4cce5f1 5500#undef PERLVAR
51371543 5501#undef PERLVARA
d4cce5f1 5502#undef PERLVARI
0f3f18a6 5503#undef PERLVARIC
79072805 5504
db6e00bd
DD		 5505#if !defined(MULTIPLICITY)
5506/* Set up PERLVAR macros for populating structs */
5507# define PERLVAR(prefix,var,type) type prefix##var;
5508/* 'var' is an array of length 'n' */
5509# define PERLVARA(prefix,var,n,type) type prefix##var[n];
5510/* initialize 'var' to init' */
5511# define PERLVARI(prefix,var,type,init) type prefix##var;
5512/* like PERLVARI, but make 'var' a const */
5513# define PERLVARIC(prefix,var,type,init) type prefix##var;
5514
5515/* this is never instantiated, is it just used for sizeof(struct PerlHandShakeInterpreter) */
5516struct PerlHandShakeInterpreter {
5517# include "intrpvar.h"
5518};
5519# undef PERLVAR
5520# undef PERLVARA
5521# undef PERLVARI
5522# undef PERLVARIC
5523#endif
5524
73c4f7a1
GS		 5525START_EXTERN_C
5526
af2f0da9
NC		 5527/* dummy variables that hold pointers to both runops functions, thus forcing
5528 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5529
5530EXTCONST runops_proc_t PL_runops_std
5531 INIT(Perl_runops_standard);
5532EXTCONST runops_proc_t PL_runops_dbg
5533 INIT(Perl_runops_debug);
5534
c910fead 5535#define EXT_MGVTBL EXTCONST MGVTBL
bc028b6b 5536
82ff486e 5537#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5538#define PERL_MAGIC_VALUE_MAGIC 0x80
5539#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5540#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5541 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5542#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5543 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5544
8b09643d 5545#include "mg_vtable.h"
6f83ef0e
NC		 5546
5547#ifdef DOINIT
5548EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5549# ifdef PERL_MICRO
5550# include "umg_data.h"
5551# else
5552# include "mg_data.h"
5553# endif
6f83ef0e
NC		 5554;
5555#else
5556EXTCONST U8 PL_magic_data[256];
5557#endif
5558
f1fb8741 5559#ifdef DOINIT
e94d9b54 5560 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5561EXTCONST bool
e94d9b54 5562PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5563EXTCONST bool
e94d9b54 5564PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5565EXTCONST bool
d361b004 5566PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5567EXTCONST bool
e94d9b54 5568PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5569EXTCONST bool
e94d9b54 5570PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5571EXTCONST bool
e94d9b54 5572PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5573
5574#else
5575
5576EXTCONST bool PL_valid_types_IVX[];
5577EXTCONST bool PL_valid_types_NVX[];
5578EXTCONST bool PL_valid_types_PVX[];
5579EXTCONST bool PL_valid_types_RV[];
5580EXTCONST bool PL_valid_types_IV_set[];
5581EXTCONST bool PL_valid_types_NV_set[];
5582
5583#endif
5584
9e76e8dd
JH		 5585/* In C99 we could use designated (named field) union initializers.
5586 * In C89 we need to initialize the member declared first.
5587 *
5588 * With the U8_NV version you will want to have inner braces,
5589 * while with the NV_U8 use just the NV.*/
5590#define INFNAN_U8_NV_DECL EXTCONST union { U8 u8[NVSIZE]; NV nv; }
5591#define INFNAN_NV_U8_DECL EXTCONST union { NV nv; U8 u8[NVSIZE]; }
5592
5593#ifdef DOINIT
5594
5595/* PL_inf and PL_nan initialization.
5596 *
5597 * For inf and nan initialization the ultimate fallback is dividing
5598 * one or zero by zero: however, some compilers will warn or even fail
5599 * on divide-by-zero, but hopefully something earlier will work.
5600 *
5601 * If you are thinking of using HUGE_VAL for infinity, or using
5602 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
5603 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
5604 * and the math functions might be just generating DBL_MAX, or even zero.
5605 *
5606 * Also, do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
5607 * Though logically correct, some compilers (like Visual C 2003)
5608 * falsely misoptimize that to zero (x-x is always zero, right?)
5609 */
5610
d48cfc77 5611/* The quadmath literals are anon structs which -Wc++-compat doesn't like. */
ac892e4a 5612GCC_DIAG_IGNORE(-Wc++-compat)
d48cfc77 5613
9e76e8dd
JH		 5614# ifdef USE_QUADMATH
5615/* Cannot use HUGE_VALQ for PL_inf because not a compile-time
d48cfc77 5616 * constant. */
9e76e8dd 5617INFNAN_NV_U8_DECL PL_inf = { 1.0Q/0.0Q };
9e76e8dd
JH		 5618# elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLINFBYTES)
5619INFNAN_U8_NV_DECL PL_inf = { { LONGDBLINFBYTES } };
5620# elif NVSIZE == DOUBLESIZE && defined(DOUBLEINFBYTES)
5621INFNAN_U8_NV_DECL PL_inf = { { DOUBLEINFBYTES } };
5622# else
5623# if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
5624# if defined(LDBL_INFINITY)
5625INFNAN_NV_U8_DECL PL_inf = { LDBL_INFINITY };
5626# elif defined(LDBL_INF)
5627INFNAN_NV_U8_DECL PL_inf = { LDBL_INF };
5628# elif defined(INFINITY)
5629INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
5630# elif defined(INF)
5631INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
5632# else
5633INFNAN_NV_U8_DECL PL_inf = { 1.0L/0.0L }; /* keep last */
5634# endif
5635# else
5636# if defined(DBL_INFINITY)
5637INFNAN_NV_U8_DECL PL_inf = { DBL_INFINITY };
5638# elif defined(DBL_INF)
5639INFNAN_NV_U8_DECL PL_inf = { DBL_INF };
5640# elif defined(INFINITY) /* C99 */
5641INFNAN_NV_U8_DECL PL_inf = { (NV)INFINITY };
5642# elif defined(INF)
5643INFNAN_NV_U8_DECL PL_inf = { (NV)INF };
5644# else
5645INFNAN_NV_U8_DECL PL_inf = { 1.0/0.0 }; /* keep last */
5646# endif
5647# endif
5648# endif
5649
5650# ifdef USE_QUADMATH
5651/* Cannot use nanq("0") for PL_nan because not a compile-time
d48cfc77 5652 * constant. */
9e76e8dd 5653INFNAN_NV_U8_DECL PL_nan = { 0.0Q/0.0Q };
9e76e8dd
JH		 5654# elif NVSIZE == LONG_DOUBLESIZE && defined(LONGDBLNANBYTES)
5655INFNAN_U8_NV_DECL PL_nan = { { LONGDBLNANBYTES } };
5656# elif NVSIZE == DOUBLESIZE && defined(DOUBLENANBYTES)
5657INFNAN_U8_NV_DECL PL_nan = { { DOUBLENANBYTES } };
5658# else
5659# if NVSIZE == LONG_DOUBLESIZE && defined(USE_LONG_DOUBLE)
5660# if defined(LDBL_NAN)
5661INFNAN_NV_U8_DECL PL_nan = { LDBL_NAN };
5662# elif defined(LDBL_QNAN)
5663INFNAN_NV_U8_DECL PL_nan = { LDBL_QNAN };
5664# elif defined(NAN)
5665INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
5666# else
5667INFNAN_NV_U8_DECL PL_nan = { 0.0L/0.0L }; /* keep last */
5668# endif
5669# else
5670# if defined(DBL_NAN)
5671INFNAN_NV_U8_DECL PL_nan = { DBL_NAN };
5672# elif defined(DBL_QNAN)
5673INFNAN_NV_U8_DECL PL_nan = { DBL_QNAN };
5674# elif defined(NAN) /* C99 */
5675INFNAN_NV_U8_DECL PL_nan = { (NV)NAN };
5676# else
5677INFNAN_NV_U8_DECL PL_nan = { 0.0/0.0 }; /* keep last */
5678# endif
5679# endif
5680# endif
5681
ac892e4a 5682GCC_DIAG_RESTORE
d48cfc77 5683
9e76e8dd
JH		 5684#else
5685
5686INFNAN_NV_U8_DECL PL_inf;
5687INFNAN_NV_U8_DECL PL_nan;
5688
5689#endif
5690
5691/* If you have not defined NV_INF/NV_NAN (like for example win32/win32.h),
5692 * we will define NV_INF/NV_NAN as the nv part of the global const
5693 * PL_inf/PL_nan. Note, however, that the preexisting NV_INF/NV_NAN
5694 * might not be a compile-time constant, in which case it cannot be
5695 * used to initialize PL_inf/PL_nan above. */
5696#ifndef NV_INF
5697# define NV_INF PL_inf.nv
5698#endif
5699#ifndef NV_NAN
5700# define NV_NAN PL_nan.nv
5701#endif
cf6e31e9
DM		 5702
5703/* if these never got defined, they need defaults */
5704#ifndef PERL_SET_CONTEXT
5705# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5706#endif
5707
5708#ifndef PERL_GET_CONTEXT
5709# define PERL_GET_CONTEXT PERL_GET_INTERP
5710#endif
5711
5712#ifndef PERL_GET_THX
5713# define PERL_GET_THX ((void*)NULL)
5714#endif
5715
5716#ifndef PERL_SET_THX
5717# define PERL_SET_THX(t) NOOP
5718#endif
5719
5720
c7627e6d
NC		 5721#ifndef PERL_NO_INLINE_FUNCTIONS
5722/* Static inline funcs that depend on includes and declarations above.
5723 Some of these reference functions in the perl object files, and some
5724 compilers aren't smart enough to eliminate unused static inline
5725 functions, so including this file in source code can cause link errors
5726 even if the source code uses none of the functions. Hence including these
5727 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5728 (obviously) result in unworkable XS code, but allows simple probing code
5729 to continue to work, because it permits tests to include the perl headers
5730 for definitions without creating a link dependency on the perl library
5731 (which may not exist yet).
5732*/
5733
5734# include "inline.h"
5735#endif
f1fb8741 5736
bab3dc31 5737#include "overload.h"
a0d0e21e 5738
73c4f7a1
GS		 5739END_EXTERN_C
5740
a6006777 5741struct am_table {
8978b4ac
NC		 5742 U8 flags;
5743 U8 fallback;
5744 U16 spare;
eb160463 5745 U32 was_ok_sub;
9bd87817 5746 CV* table[NofAMmeth];
a0d0e21e 5747};
a6006777 5748struct am_table_short {
8978b4ac
NC		 5749 U8 flags;
5750 U8 fallback;
5751 U16 spare;
eb160463 5752 U32 was_ok_sub;
a6006777 5753};
a0d0e21e 5754typedef struct am_table AMT;
a6006777 5755typedef struct am_table_short AMTS;
a0d0e21e
LW		 5756
5757#define AMGfallNEVER 1
5758#define AMGfallNO 2
5759#define AMGfallYES 3
5760
a6006777 5761#define AMTf_AMAGIC 1
5762#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5763#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5764#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5765
32251b26 5766#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5767
5768/*
5769 * some compilers like to redefine cos et alia as faster
5770 * (and less accurate?) versions called F_cos et cetera (Quidquid
5771 * latine dictum sit, altum viditur.) This trick collides with
5772 * the Perl overloading (amg). The following #defines fool both.
5773 */
5774
5775#ifdef _FASTMATH
5776# ifdef atan2
5777# define F_atan2_amg atan2_amg
5778# endif
5779# ifdef cos
5780# define F_cos_amg cos_amg
5781# endif
5782# ifdef exp
5783# define F_exp_amg exp_amg
5784# endif
5785# ifdef log
5786# define F_log_amg log_amg
5787# endif
5788# ifdef pow
5789# define F_pow_amg pow_amg
5790# endif
5791# ifdef sin
5792# define F_sin_amg sin_amg
5793# endif
5794# ifdef sqrt
5795# define F_sqrt_amg sqrt_amg
5796# endif
5797#endif /* _FASTMATH */
5798
83ee9e09
GS		 5799#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5800 PERLDBf_NOOPT | PERLDBf_INTER | \
5801 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5802 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5803 PERLDBf_SAVESRC)
925cfbb8 5804 /* No _NONAME, _GOTO */
83ee9e09
GS		 5805#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5806#define PERLDBf_LINE 0x02 /* Keep line # */
5807#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5808#define PERLDBf_INTER 0x08 /* Preserve more data for
5809 later inspections */
5810#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5811#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5812#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5813#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5814#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5815#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5816#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5817#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5818#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5819
8bd38399
DD		 5820#define PERLDB_SUB (PL_perldb & PERLDBf_SUB)
5821#define PERLDB_LINE (PL_perldb & PERLDBf_LINE)
5822#define PERLDB_NOOPT (PL_perldb & PERLDBf_NOOPT)
5823#define PERLDB_INTER (PL_perldb & PERLDBf_INTER)
5824#define PERLDB_SUBLINE (PL_perldb & PERLDBf_SUBLINE)
5825#define PERLDB_SINGLE (PL_perldb & PERLDBf_SINGLE)
5826#define PERLDB_SUB_NN (PL_perldb & PERLDBf_NONAME)
5827#define PERLDB_GOTO (PL_perldb & PERLDBf_GOTO)
5828#define PERLDB_NAMEEVAL (PL_perldb & PERLDBf_NAMEEVAL)
5829#define PERLDB_NAMEANON (PL_perldb & PERLDBf_NAMEANON)
5830#define PERLDB_SAVESRC (PL_perldb & PERLDBf_SAVESRC)
5831#define PERLDB_SAVESRC_NOSUBS (PL_perldb & PERLDBf_SAVESRC_NOSUBS)
5832#define PERLDB_SAVESRC_INVALID (PL_perldb & PERLDBf_SAVESRC_INVALID)
bbce6d69 5833
c7a622b3
DD		 5834#define PERLDB_LINE_OR_SAVESRC (PL_perldb & (PERLDBf_LINE | PERLDBf_SAVESRC))
5835
91191cf7 5836#ifdef USE_LOCALE
d6ded950 5837/* These locale things are all subject to change */
c8bf5ca7 5838/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5839 */
6d62ead0 5840# define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5841
c8bf5ca7 5842/* Returns TRUE if either form of the locale pragma is in effect */
6d62ead0 5843# define IN_SOME_LOCALE_FORM_RUNTIME \
d6ded950 5844 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
66cbab2c 5845
6d62ead0
KW		 5846# define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5847# define IN_SOME_LOCALE_FORM_COMPILETIME \
d6ded950 5848 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
2de3dbcc 5849
6d62ead0 5850# define IN_LOCALE \
923e4eb5 5851 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
6d62ead0 5852# define IN_SOME_LOCALE_FORM \
66cbab2c
KW		 5853 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5854 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5855
6d62ead0
KW		 5856# define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5857# define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5858
5859# define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5860# define IN_LC_PARTIAL_RUNTIME \
5861 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5862
5863# define IN_LC_COMPILETIME(category) \
5864 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5865 && _is_in_locale_category(TRUE, (category))))
5866# define IN_LC_RUNTIME(category) \
5867 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5868 && _is_in_locale_category(FALSE, (category))))
5869# define IN_LC(category) \
5870 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
d6ded950 5871
780fcc9f
KW		 5872# if defined (PERL_CORE) || defined (PERL_IN_XSUB_RE)
5873
5874 /* This internal macro should be called from places that operate under
5875 * locale rules. It there is a problem with the current locale that
2726666d
KW		 5876 * hasn't been raised yet, it will output a warning this time. Because
5877 * this will so rarely be true, there is no point to optimize for
5878 * time; instead it makes sense to minimize space used and do all the
5879 * work in the rarely called function */
33245021
KW		 5880# ifdef USE_LOCALE_CTYPE
5881# define _CHECK_AND_WARN_PROBLEMATIC_LOCALE \
5882 STMT_START { \
5883 if (UNLIKELY(PL_warn_locale)) { \
5884 _warn_problematic_locale(); \
5885 } \
5886 } STMT_END
5887# else
5888# define _CHECK_AND_WARN_PROBLEMATIC_LOCALE
5889# endif
780fcc9f
KW		 5890
5891
613abc6d
KW		 5892 /* These two internal macros are called when a warning should be raised,
5893 * and will do so if enabled. The first takes a single code point
5894 * argument; the 2nd, is a pointer to the first byte of the UTF-8 encoded
5895 * string, and an end position which it won't try to read past */
5896# define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(cp) \
008e8e82
KW		 5897 STMT_START { \
5898 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \
5899 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \
5900 "Wide character (U+%"UVXf") in %s", \
5901 (UV) cp, OP_DESC(PL_op)); \
5902 } \
5903 } STMT_END
613abc6d
KW		 5904
5905# define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(s, send) \
5906 STMT_START { /* Check if to warn before doing the conversion work */\
008e8e82 5907 if (! PL_in_utf8_CTYPE_locale && ckWARN(WARN_LOCALE)) { \
613abc6d
KW		 5908 UV cp = utf8_to_uvchr_buf((U8 *) s, (U8 *) send, NULL); \
5909 Perl_warner(aTHX_ packWARN(WARN_LOCALE), \
5910 "Wide character (U+%"UVXf") in %s", \
5911 (cp == 0) \
5912 ? UNICODE_REPLACEMENT \
5913 : (UV) cp, \
5914 OP_DESC(PL_op)); \
5915 } \
5916 } STMT_END
5917
780fcc9f
KW		 5918# endif /* PERL_CORE or PERL_IN_XSUB_RE */
5919
91191cf7
KW		 5920#else /* No locale usage */
5921# define IN_LOCALE_RUNTIME 0
5922# define IN_SOME_LOCALE_FORM_RUNTIME 0
5923# define IN_LOCALE_COMPILETIME 0
5924# define IN_SOME_LOCALE_FORM_COMPILETIME 0
5925# define IN_LOCALE 0
5926# define IN_SOME_LOCALE_FORM 0
5927# define IN_LC_ALL_COMPILETIME 0
5928# define IN_LC_ALL_RUNTIME 0
5929# define IN_LC_PARTIAL_COMPILETIME 0
5930# define IN_LC_PARTIAL_RUNTIME 0
5931# define IN_LC_COMPILETIME(category) 0
5932# define IN_LC_RUNTIME(category) 0
5933# define IN_LC(category) 0
780fcc9f
KW		 5934
5935# define _CHECK_AND_WARN_PROBLEMATIC_LOCALE
613abc6d
KW		 5936# define _CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(a)
5937# define _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(a,b)
91191cf7
KW		 5938#endif
5939
6bf09f55
KW		 5940#ifdef USE_LOCALE_NUMERIC
5941
67d796ae 5942/* These macros are for toggling between the underlying locale (UNDERLYING or
45235d99
KW		 5943 * LOCAL) and the C locale (STANDARD).
5944
5945=head1 Locale-related functions and macros
5946
5947=for apidoc Amn|void|DECLARATION_FOR_LC_NUMERIC_MANIPULATION
5948
5949This macro should be used as a statement. It declares a private variable
5950(whose name begins with an underscore) that is needed by the other macros in
5951this section. Failing to include this correctly should lead to a syntax error.
5952For compatibility with C89 C compilers it should be placed in a block before
5953any executable statements.
5954
5955=for apidoc Am|void|STORE_LC_NUMERIC_FORCE_TO_UNDERLYING
5956
5957This is used by XS code that that is C<LC_NUMERIC> locale-aware to force the
5958locale for category C<LC_NUMERIC> to be what perl thinks is the current
5959underlying locale. (The perl interpreter could be wrong about what the
5960underlying locale actually is if some C or XS code has called the C library
5961function L<setlocale(3)> behind its back; calling L</sync_locale> before calling
5962this macro will update perl's records.)
5963
5964A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5965declare at compile time a private variable used by this macro. This macro
5966should be called as a single statement, not an expression, but with an empty
5967argument list, like this:
5968
5969 {
5970 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
5971 ...
5972 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING();
5973 ...
5974 RESTORE_LC_NUMERIC();
5975 ...
5976 }
5977
5978The private variable is used to save the current locale state, so
5979that the requisite matching call to L</RESTORE_LC_NUMERIC> can restore it.
5980
5981=for apidoc Am|void|STORE_LC_NUMERIC_SET_TO_NEEDED
5982
5983This is used to help wrap XS or C code that that is C<LC_NUMERIC> locale-aware.
5984This locale category is generally kept set to the C locale by Perl for
5985backwards compatibility, and because most XS code that reads floating point
5986values can cope only with the decimal radix character being a dot.
5987
5988This macro makes sure the current C<LC_NUMERIC> state is set properly, to be
5989aware of locale if the call to the XS or C code from the Perl program is
5990from within the scope of a S<C<use locale>>; or to ignore locale if the call is
5991instead from outside such scope.
5992
5993This macro is the start of wrapping the C or XS code; the wrap ending is done
5994by calling the L</RESTORE_LC_NUMERIC> macro after the operation. Otherwise
5995the state can be changed that will adversely affect other XS code.
5996
5997A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
5998declare at compile time a private variable used by this macro. This macro
5999should be called as a single statement, not an expression, but with an empty
6000argument list, like this:
6001
6002 {
6003 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
6004 ...
6005 STORE_LC_NUMERIC_SET_TO_NEEDED();
6006 ...
6007 RESTORE_LC_NUMERIC();
6008 ...
6009 }
6010
6011=for apidoc Am|void|RESTORE_LC_NUMERIC
6012
6013This is used in conjunction with one of the macros
6014L</STORE_LC_NUMERIC_SET_TO_NEEDED>
6015and
6016L</STORE_LC_NUMERIC_FORCE_TO_UNDERLYING>
6017
6018to properly restore the C<LC_NUMERIC> state.
6019
6020A call to L</DECLARATION_FOR_LC_NUMERIC_MANIPULATION> must have been made to
6021declare at compile time a private variable used by this macro and the two
6022C<STORE> ones. This macro should be called as a single statement, not an
6023expression, but with an empty argument list, like this:
6024
6025 {
6026 DECLARATION_FOR_LC_NUMERIC_MANIPULATION;
6027 ...
6028 RESTORE_LC_NUMERIC();
6029 ...
6030 }
6031
6032=cut
6033
6034*/
8a11fac9 6035
aaaeb297 6036#define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
7738054c
KW		 6037
6038/* We can lock the category to stay in the C locale, making requests to the
260c7ace
KW		 6039 * contrary be noops, in the dynamic scope by setting PL_numeric_standard to 2.
6040 * */
67d796ae
KW		 6041#define _NOT_IN_NUMERIC_UNDERLYING \
6042 (! PL_numeric_local && PL_numeric_standard < 2)
6043
6044#define DECLARATION_FOR_LC_NUMERIC_MANIPULATION \
6045 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL
6046
6047#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
6048 if (IN_LC(LC_NUMERIC)) { \
6049 if (_NOT_IN_NUMERIC_UNDERLYING) { \
6050 set_numeric_local(); \
6051 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
6052 } \
6053 } \
6054 else { \
6055 if (_NOT_IN_NUMERIC_STANDARD) { \
6056 SET_NUMERIC_STANDARD(); \
6057 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
6058 } \
8a11fac9
KW		 6059 }
6060
e737dcc5
KW		 6061#define RESTORE_LC_NUMERIC() \
6062 if (_restore_LC_NUMERIC_function) { \
6063 _restore_LC_NUMERIC_function(aTHX); \
8a11fac9
KW		 6064 }
6065
6066/* The next two macros set unconditionally. These should be rarely used, and
6067 * only after being sure that this is what is needed */
8d98ede7 6068#define SET_NUMERIC_STANDARD() \
aaaeb297 6069 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
8d98ede7 6070 } STMT_END
87755cd9 6071
67d796ae
KW		 6072#define SET_NUMERIC_UNDERLYING() \
6073 STMT_START { if (_NOT_IN_NUMERIC_UNDERLYING) \
aaaeb297 6074 set_numeric_local(); } STMT_END
87755cd9 6075
8a11fac9
KW		 6076/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
6077 * the RESTORE_foo ones called to switch back, but only if need be */
67d796ae
KW		 6078#define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD() \
6079 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
aaaeb297 6080 if (_was_local) set_numeric_standard();
f93f4e46 6081
b34856cb
KW		 6082/* Doesn't change to underlying locale unless within the scope of some form of
6083 * 'use locale'. This is the usual desired behavior. */
67d796ae
KW		 6084#define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING() \
6085 bool _was_standard = _NOT_IN_NUMERIC_UNDERLYING \
6086 && IN_LC(LC_NUMERIC); \
aaaeb297 6087 if (_was_standard) set_numeric_local();
f93f4e46 6088
371d5d44
KW		 6089/* Rarely, we want to change to the underlying locale even outside of 'use
6090 * locale'. This is principally in the POSIX:: functions */
67d796ae
KW		 6091#define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING() \
6092 if (_NOT_IN_NUMERIC_UNDERLYING) { \
6093 set_numeric_local(); \
6094 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
6095 }
371d5d44 6096
7738054c 6097/* Lock to the C locale until unlock is called */
67d796ae
KW		 6098#define LOCK_LC_NUMERIC_STANDARD() \
6099 (__ASSERT_(PL_numeric_standard) \
7738054c
KW		 6100 PL_numeric_standard = 2)
6101
67d796ae
KW		 6102#define UNLOCK_LC_NUMERIC_STANDARD() \
6103 (__ASSERT_(PL_numeric_standard == 2) \
7738054c
KW		 6104 PL_numeric_standard = 1)
6105
67d796ae 6106#define RESTORE_LC_NUMERIC_UNDERLYING() \
aaaeb297 6107 if (_was_local) set_numeric_local();
f93f4e46 6108
67d796ae
KW		 6109#define RESTORE_LC_NUMERIC_STANDARD() \
6110 if (_restore_LC_NUMERIC_function) { \
6111 _restore_LC_NUMERIC_function(aTHX); \
6112 }
f93f4e46 6113
36477c24 6114#else /* !USE_LOCALE_NUMERIC */
bbce6d69 6115
63b18b66
KW		 6116#define SET_NUMERIC_STANDARD()
6117#define SET_NUMERIC_UNDERLYING()
5e931b6b 6118#define IS_NUMERIC_RADIX(a, b) (0)
67d796ae
KW		 6119#define STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
6120#define STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
6121#define STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
6122#define RESTORE_LC_NUMERIC_UNDERLYING()
e737dcc5 6123#define RESTORE_LC_NUMERIC_STANDARD()
67d796ae 6124#define DECLARATION_FOR_LC_NUMERIC_MANIPULATION
8a11fac9 6125#define STORE_LC_NUMERIC_SET_TO_NEEDED()
8a11fac9 6126#define RESTORE_LC_NUMERIC()
67d796ae
KW		 6127#define LOCK_LC_NUMERIC_STANDARD()
6128#define UNLOCK_LC_NUMERIC_STANDARD()
8a11fac9 6129
36477c24 6130#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 6131
22bc8aa4
KW		 6132#define Atof my_atof
6133
67d796ae
KW		 6134/* Back-compat names */
6135#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
6136 DECLARATION_FOR_LC_NUMERIC_MANIPULATION
6137#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
6138 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
6139 STORE_LC_NUMERIC_SET_TO_NEEDED();
6140#define LOCK_NUMERIC_STANDARD() LOCK_LC_NUMERIC_STANDARD()
6141#define RESTORE_NUMERIC_LOCAL() RESTORE_LC_NUMERIC_UNDERLYING()
6142#define RESTORE_NUMERIC_STANDARD() RESTORE_LC_NUMERIC_STANDARD()
6143#define SET_NUMERIC_LOCAL() SET_NUMERIC_UNDERLYING()
6144#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
6145 STORE_LC_NUMERIC_UNDERLYING_SET_STANDARD()
6146#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
6147 STORE_LC_NUMERIC_STANDARD_SET_UNDERLYING()
6148#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
6149 STORE_LC_NUMERIC_FORCE_TO_UNDERLYING()
6150#define UNLOCK_NUMERIC_STANDARD() UNLOCK_LC_NUMERIC_STANDARD()
6151
6152
6153
05b4a618
JH		 6154#ifdef USE_QUADMATH
6155# define Perl_strtod(s, e) strtoflt128(s, e)
6156#elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
f1b32d61
JH		 6157# if defined(HAS_STRTOLD)
6158# define Perl_strtod(s, e) strtold(s, e)
6159# elif defined(HAS_STRTOD)
6160# define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
6161# endif
6162#elif defined(HAS_STRTOD)
6163# define Perl_strtod(s, e) strtod(s, e)
6164#endif
6165
85b76970
SH		 6166#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
6167 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 6168# ifdef __hpux
6169# define strtoll __strtoll /* secret handshake */
6170# endif
c623ac67
GS		 6171# ifdef WIN64
6172# define strtoll _strtoi64 /* secret handshake */
6173# endif
079290de
GS		 6174# if !defined(Strtol) && defined(HAS_STRTOLL)
6175# define Strtol strtoll
ad551343 6176# endif
28e5dec8
JH		 6177# if !defined(Strtol) && defined(HAS_STRTOQ)
6178# define Strtol strtoq
6179# endif
ff935051 6180/* is there atoq() anywhere? */
15b99d39 6181#endif
079290de
GS		 6182#if !defined(Strtol) && defined(HAS_STRTOL)
6183# define Strtol strtol
6184#endif
6185#ifndef Atol
6186/* It would be more fashionable to use Strtol() to define atol()
6187 * (as is done for Atoul(), see below) but for backward compatibility
6188 * we just assume atol(). */
85b76970
SH		 6189# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
6190 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 6191# ifdef WIN64
6192# define atoll _atoi64 /* secret handshake */
6193# endif
76b882ba
JH		 6194# define Atol atoll
6195# else
6196# define Atol atol
6197# endif
cf2093f6
JH		 6198#endif
6199
85b76970
SH		 6200#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
6201 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 6202# ifdef __hpux
6203# define strtoull __strtoull /* secret handshake */
6204# endif
c623ac67
GS		 6205# ifdef WIN64
6206# define strtoull _strtoui64 /* secret handshake */
6207# endif
ad551343 6208# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 6209# define Strtoul strtoull
15b99d39 6210# endif
079290de
GS		 6211# if !defined(Strtoul) && defined(HAS_STRTOUQ)
6212# define Strtoul strtouq
6213# endif
76d49b1c 6214/* is there atouq() anywhere? */
ad551343 6215#endif
079290de
GS		 6216#if !defined(Strtoul) && defined(HAS_STRTOUL)
6217# define Strtoul strtoul
cf2093f6 6218#endif
a5523c5b
JH		 6219#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
6220# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
6221#endif
079290de 6222#ifndef Atoul
d4c19fe8 6223# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 6224#endif
cf2093f6 6225
a868473f
NIS		 6226#ifndef PERL_SCRIPT_MODE
6227#define PERL_SCRIPT_MODE "r"
6228#endif
6229
fba3b22e 6230/*
da927450
JH		 6231 * Some operating systems are stingy with stack allocation,
6232 * so perl may have to guard against stack overflow.
6233 */
6234#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 6235#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 6236#endif
6237
6238/*
6239 * Some nonpreemptive operating systems find it convenient to
6240 * check for asynchronous conditions after each op execution.
6241 * Keep this check simple, or it may slow down execution
6242 * massively.
6243 */
ce08f86c 6244
1d615522 6245#ifndef PERL_MICRO
4ffa73a3 6246# ifndef PERL_ASYNC_CHECK
5d9574c1 6247# define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
4ffa73a3 6248# endif
ce08f86c
NIS		 6249#endif
6250
da927450 6251#ifndef PERL_ASYNC_CHECK
1d615522 6252# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 6253#endif
6254
6255/*
6256 * On some operating systems, a memory allocation may succeed,
6257 * but put the process too close to the system's comfort limit.
6258 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
6259 * it to NULL.
6260 */
6261#ifndef PERL_ALLOC_CHECK
c2af87cb 6262#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 6263#endif
6264
bd89102f
AD		 6265#ifdef HAS_SEM
6266# include <sys/ipc.h>
6267# include <sys/sem.h>
6268# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
6269 union semun {
dbba660d
TC		 6270 int val;
6271 struct semid_ds *buf;
6272 unsigned short *array;
bd89102f
AD		 6273 };
6274# endif
6275# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 6276# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
6277 union gccbug_semun {
6278 int val;
6279 struct semid_ds *buf;
6280 unsigned short *array;
6281 char __dummy[5];
6282 };
6283# define semun gccbug_semun
6284# endif
bd89102f
AD		 6285# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
6286# else
6287# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 6288# ifdef EXTRA_F_IN_SEMUN_BUF
6289# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
6290# else
6291# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
6292# endif
bd89102f
AD		 6293# endif
6294# endif
bd89102f 6295#endif
49f531da 6296
89ca4ac7
JH		 6297/*
6298 * Boilerplate macros for initializing and accessing interpreter-local
6299 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 6300 * this, if you want to make the extension thread-safe. See
6301 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
6302 * and perlxs.pod for more.
89ca4ac7
JH		 6303 *
6304 * Code that uses these macros is responsible for the following:
43a739c2
JH		 6305 * 1. #define MY_CXT_KEY to a unique string, e.g.
6306 * "DynaLoader::_guts" XS_VERSION
f16dd614 6307 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 6308 * 2. Declare a typedef named my_cxt_t that is a structure that contains
6309 * all the data that needs to be interpreter-local.
6310 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
6311 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
6312 * (typically put in the BOOT: section).
6313 * 5. Use the members of the my_cxt_t structure everywhere as
6314 * MY_CXT.member.
6315 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
6316 * access MY_CXT.
6317 */
6318
fc958cd2 6319#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 6320
4eddb856 6321/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 6322 * right after the definition (i.e. at file scope). The non-threads
6323 * case below uses it to declare the data as static. */
00ab59c9
DM		 6324# ifdef PERL_GLOBAL_STRUCT_PRIVATE
6325# define START_MY_CXT
6326# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
6327# define MY_CXT_INIT_ARG MY_CXT_KEY
6328# else
6329# define START_MY_CXT static int my_cxt_index = -1;
6330# define MY_CXT_INDEX my_cxt_index
6331# define MY_CXT_INIT_ARG &my_cxt_index
6332# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 6333
6334/* Creates and zeroes the per-interpreter data.
6335 * (We allocate my_cxtp in a Perl SV so that it will be released when
6336 * the interpreter goes away.) */
00ab59c9 6337# define MY_CXT_INIT \
53d44271 6338 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6339 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6340 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 6341# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 6342 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6343 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6344 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 6345
6346/* This declaration should be used within all functions that use the
6347 * interpreter-local data. */
00ab59c9 6348# define dMY_CXT \
53d44271 6349 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 6350# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 6351 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
6352
6353/* Clones the per-interpreter data. */
00ab59c9 6354# define MY_CXT_CLONE \
53d44271 6355 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
8b573070 6356 void * old_my_cxtp = PL_my_cxt_list[MY_CXT_INDEX]; \
ccaa51ca
DD		 6357 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp; \
6358 Copy(old_my_cxtp, my_cxtp, 1, my_cxt_t);
6359
53d44271 6360
53d44271 6361
89ca4ac7 6362/* This macro must be used to access members of the my_cxt_t structure.
870598ae 6363 * e.g. MY_CXT.some_data */
00ab59c9 6364# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 6365
6366/* Judicious use of these macros can reduce the number of times dMY_CXT
6367 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 6368# define pMY_CXT my_cxt_t *my_cxtp
6369# define pMY_CXT_ pMY_CXT,
6370# define _pMY_CXT ,pMY_CXT
6371# define aMY_CXT my_cxtp
6372# define aMY_CXT_ aMY_CXT,
6373# define _aMY_CXT ,aMY_CXT
89ca4ac7 6374
f16dd614 6375#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 6376
00ab59c9
DM		 6377# define START_MY_CXT static my_cxt_t my_cxt;
6378# define dMY_CXT_SV dNOOP
6379# define dMY_CXT dNOOP
6380# define dMY_CXT_INTERP(my_perl) dNOOP
6381# define MY_CXT_INIT NOOP
6382# define MY_CXT_CLONE NOOP
6383# define MY_CXT my_cxt
6384
6385# define pMY_CXT void
6386# define pMY_CXT_
6387# define _pMY_CXT
6388# define aMY_CXT
6389# define aMY_CXT_
6390# define _aMY_CXT
89ca4ac7 6391
f16dd614 6392#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 6393
9a34ef1d
GS		 6394#ifdef I_FCNTL
6395# include <fcntl.h>
9a34ef1d
GS		 6396#endif
6397
9cffb111
OS		 6398#ifdef __Lynx__
6399# include <fcntl.h>
6400#endif
6401
3c0208ad
AB		 6402#ifdef __amigaos4__
6403# undef FD_CLOEXEC /* a lie in AmigaOS */
6404#endif
6405
9a34ef1d
GS		 6406#ifdef I_SYS_FILE
6407# include <sys/file.h>
6408#endif
6409
fa0a29af 6410#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 6411int flock(int fd, int op);
6412#endif
6413
fe52b3b7
GS		 6414#ifndef O_RDONLY
6415/* Assume UNIX defaults */
6416# define O_RDONLY 0000
6417# define O_WRONLY 0001
6418# define O_RDWR 0002
6419# define O_CREAT 0100
6420#endif
9a34ef1d 6421
16fe6d59
GS		 6422#ifndef O_BINARY
6423# define O_BINARY 0
6424#endif
6425
6426#ifndef O_TEXT
6427# define O_TEXT 0
6428#endif
6429
6ce75a77 6430#if O_TEXT != O_BINARY
38d96942 6431 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6ce75a77 6432 * that is, you are somehow DOSish. */
b6c36746
NC		 6433# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
6434 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
6435 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 6436 /* VOS has O_TEXT != O_BINARY, and they have effect,
6437 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 6438 /* If you have O_TEXT different from your O_BINARY but you still are
6439 * not a CRLF shop. */
35990314 6440# undef PERLIO_USING_CRLF
ec53fe4f
JH		 6441# else
6442 /* If you really are DOSish. */
6443# define PERLIO_USING_CRLF 1
6ce75a77
JH		 6444# endif
6445#endif
6446
4bc88a62
PS		 6447#ifdef I_LIBUTIL
6448# include <libutil.h> /* setproctitle() in some FreeBSDs */
6449#endif
6450
b4748376 6451#ifndef EXEC_ARGV_CAST
360ea906 6452#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 6453#endif
6454
dd5dc04f
JH		 6455#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
6456 int). value returned in pointed-
6457 to UV */
6458#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
d70489e1 6459#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation or infnan */
dd5dc04f
JH		 6460#define IS_NUMBER_NEG 0x08 /* leading minus sign */
6461#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 6462#define IS_NUMBER_NAN 0x20 /* this is not */
3f7602fa 6463#define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
dd5dc04f
JH		 6464
6465#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6466
53305cf1
NC		 6467/* Input flags: */
6468#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 6469#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 6470#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 6471#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6472 numbers which are <= UV_MAX */
3f7602fa
TC		 6473#define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6474 and set IS_NUMBER_TRAILING */
6475
53305cf1
NC		 6476/* Output flags: */
6477#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6478
2c4f7f0e
DM		 6479/* to let user control profiling */
6480#ifdef PERL_GPROF_CONTROL
6481extern void moncontrol(int);
6482#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6483#else
6484#define PERL_GPROF_MONCONTROL(x)
6485#endif
6486
ae0e3d3b
JH		 6487#ifdef UNDER_CE
6488#include "wince.h"
6489#endif
6490
6491/* ISO 6429 NEL - C1 control NExt Line */
6492/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 6493#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b 6494
479b2847
GS		 6495#ifndef PIPESOCK_MODE
6496# define PIPESOCK_MODE
6497#endif
6498
460c8493
IZ		 6499#ifndef SOCKET_OPEN_MODE
6500# define SOCKET_OPEN_MODE PIPESOCK_MODE
6501#endif
6502
6503#ifndef PIPE_OPEN_MODE
6504# define PIPE_OPEN_MODE PIPESOCK_MODE
6505#endif
6506
7e8c5dac
HS		 6507#define PERL_MAGIC_UTF8_CACHESIZE 2
6508
a05d7ebb
JH		 6509#define PERL_UNICODE_STDIN_FLAG 0x0001
6510#define PERL_UNICODE_STDOUT_FLAG 0x0002
6511#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 6512#define PERL_UNICODE_IN_FLAG 0x0008
6513#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 6514#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 6515#define PERL_UNICODE_LOCALE_FLAG 0x0040
6516#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 6517#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 6518
06e66572
JH		 6519#define PERL_UNICODE_STD_FLAG \
6520 (PERL_UNICODE_STDIN_FLAG | \
6521 PERL_UNICODE_STDOUT_FLAG | \
6522 PERL_UNICODE_STDERR_FLAG)
6523
6524#define PERL_UNICODE_INOUT_FLAG \
6525 (PERL_UNICODE_IN_FLAG | \
6526 PERL_UNICODE_OUT_FLAG)
6527
6528#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 6529 (PERL_UNICODE_STD_FLAG | \
6530 PERL_UNICODE_INOUT_FLAG | \
6531 PERL_UNICODE_LOCALE_FLAG)
6532
5a22a2bb 6533#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 6534
6535#define PERL_UNICODE_STDIN 'I'
6536#define PERL_UNICODE_STDOUT 'O'
6537#define PERL_UNICODE_STDERR 'E'
6538#define PERL_UNICODE_STD 'S'
6539#define PERL_UNICODE_IN 'i'
6540#define PERL_UNICODE_OUT 'o'
6541#define PERL_UNICODE_INOUT 'D'
6542#define PERL_UNICODE_ARGV 'A'
6543#define PERL_UNICODE_LOCALE 'L'
6544#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6545#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6546
4ffa73a3
JH		 6547#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6548
32fdb065 6549/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6550 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6551#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6552
3c0f78ca
JH		 6553#if defined(__DECC) && defined(__osf__)
6554#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6555#endif
6556
e4dba786
NC		 6557#define do_open(g, n, l, a, rm, rp, sf) \
6558 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6559#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6560# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6561#endif
15871fce
NC		 6562#ifdef OS2
6563# define do_aexec Perl_do_aexec
6564#else
6565# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6566#endif
e4dba786 6567
c8028aa6
TC		 6568/* check embedded \0 characters in pathnames passed to syscalls,
6569 but allow one ending \0 */
41188aa0 6570#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 6571
41188aa0 6572#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 6573
53e89cff 6574#if defined(OEMVS) || defined(__amigaos4__)
2f3efc97
JH		 6575#define NO_ENV_ARRAY_IN_MAIN
6576#endif
6577
00f254e2
KW		 6578/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6579 * are here so that they are available throughout the core
10edeb5d
JH		 6580 * NOTE that even though some are for _escape and some for _pretty
6581 * there must not be any clashes as the flags from _pretty are
6582 * passed straight through to _escape.
6583 */
6584
4420a417 6585#define PERL_PV_ESCAPE_QUOTE 0x000001
10edeb5d
JH		 6586#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6587
4420a417
YO		 6588#define PERL_PV_PRETTY_ELLIPSES 0x000002
6589#define PERL_PV_PRETTY_LTGT 0x000004
6590#define PERL_PV_PRETTY_EXACTSIZE 0x000008
10edeb5d 6591
4420a417
YO		 6592#define PERL_PV_ESCAPE_UNI 0x000100
6593#define PERL_PV_ESCAPE_UNI_DETECT 0x000200
6594#define PERL_PV_ESCAPE_NONASCII 0x000400
6595#define PERL_PV_ESCAPE_FIRSTCHAR 0x000800
10edeb5d 6596
4420a417
YO		 6597#define PERL_PV_ESCAPE_ALL 0x001000
6598#define PERL_PV_ESCAPE_NOBACKSLASH 0x002000
6599#define PERL_PV_ESCAPE_NOCLEAR 0x004000
6600#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6601#define PERL_PV_ESCAPE_RE 0x008000
10edeb5d 6602
4420a417 6603#define PERL_PV_ESCAPE_DWIM 0x010000
0eb335df 6604
881a015e 6605
10edeb5d 6606/* used by pv_display in dump.c*/
95b611b0 6607#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 6608#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d 6609
3fd106b1
JH		 6610#if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN || \
6611 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN || \
6612 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6613# define DOUBLE_LITTLE_ENDIAN
6614#endif
6615
075bc527
JH		 6616#if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN || \
6617 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN || \
6618 DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6619# define DOUBLE_BIG_ENDIAN
6620#endif
6621
804d4e64
JH		 6622#if DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE || \
6623 DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6624# define DOUBLE_MIX_ENDIAN
6625#endif
6626
63a6ab05
JH		 6627/* All the basic IEEE formats have the implicit bit,
6628 * except for the 80-bit extended formats, which will undef this. */
6629#define NV_IMPLICIT_BIT
6630
f03a9d38 6631#ifdef LONG_DOUBLEKIND
3fd106b1
JH		 6632
6633# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN || \
6634 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6635 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN
6636# define LONGDOUBLE_LITTLE_ENDIAN
6637# endif
6638
6639# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN || \
6640 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN || \
6641 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN
6642# define LONGDOUBLE_BIG_ENDIAN
6643# endif
6644
6645# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6646 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6647# define LONGDOUBLE_X86_80_BIT
63a6ab05
JH		 6648# ifdef USE_LONG_DOUBLE
6649# undef NV_IMPLICIT_BIT
6650# endif
3fd106b1
JH		 6651# endif
6652
6653# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN || \
6654 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN
6655# define LONGDOUBLE_DOUBLEDOUBLE
6656# endif
6657
f03a9d38 6658#endif /* LONG_DOUBLEKIND */
3fd106b1 6659
9e76e8dd
JH		 6660#ifdef USE_QUADMATH /* assume quadmath endianness == native double endianness */
6661# if defined(DOUBLE_LITTLE_ENDIAN)
6662# define NV_LITTLE_ENDIAN
6663# elif defined(DOUBLE_BIG_ENDIAN)
6664# define NV_BIG_ENDIAN
6665# elif defined(DOUBLE_MIX_ENDIAN) /* stretch */
6666# define NV_MIX_ENDIAN
6667# endif
6668#elif NVSIZE == DOUBLESIZE
d701dd28
JH		 6669# ifdef DOUBLE_LITTLE_ENDIAN
6670# define NV_LITTLE_ENDIAN
6671# endif
6672# ifdef DOUBLE_BIG_ENDIAN
6673# define NV_BIG_ENDIAN
6674# endif
804d4e64
JH		 6675# ifdef DOUBLE_MIX_ENDIAN
6676# define NV_MIX_ENDIAN
6677# endif
d701dd28
JH		 6678#elif NVSIZE == LONG_DOUBLESIZE
6679# ifdef LONGDOUBLE_LITTLE_ENDIAN
6680# define NV_LITTLE_ENDIAN
6681# endif
6682# ifdef LONGDOUBLE_BIG_ENDIAN
6683# define NV_BIG_ENDIAN
6684# endif
6685#endif
6686
5c255b3b
JH		 6687/* NaNs (not-a-numbers) can carry payload bits, in addition to
6688 * "nan-ness". Part of the payload is the quiet/signaling bit.
6689 * To back up a bit (harhar):
6690 *
6691 * For IEEE 754 64-bit formats [1]:
6692 *
6693 * s 000 (mantissa all-zero) zero
6694 * s 000 (mantissa non-zero) subnormals (denormals)
6695 * s 001 ... 7fe normals
6696 * s 7ff q nan
6697 *
6698 * For IEEE 754 128-bit formats:
6699 *
6700 * s 0000 (mantissa all-zero) zero
6701 * s 0000 (mantissa non-zero) subnormals (denormals)
6702 * s 0001 ... 7ffe normals
6703 * s 7fff q nan
6704 *
6705 * [1] this looks like big-endian, but applies equally to little-endian.
6706 *
6707 * s = Sign bit. Yes, zeros and nans can have negative sign,
6708 * the interpretation is application-specific.
6709 *
6710 * q = Quietness bit, the interpretation is platform-specific.
453b60f1 6711 * Most platforms have the most significant bit being one
5c255b3b
JH		 6712 * meaning quiet, but some (older mips, hppa) have the msb
6713 * being one meaning signaling. Note that the above means
6714 * that on most platforms there cannot be signaling nan with
453b60f1
JH		 6715 * zero payload because that is identical with infinity;
6716 * while conversely on older mips/hppa there cannot be a quiet nan
6717 * because that is identical with infinity.
6718 *
6719 * Moreover, whether there is any behavioral difference
6720 * between quiet and signaling NaNs, depends on the platform.
5c255b3b
JH		 6721 *
6722 * x86 80-bit extended precision is different, the mantissa bits:
6723 *
6724 * 63 62 61 30387+ pre-387 visual c
6725 * -------- ---- -------- --------
6726 * 0 0 0 invalid infinity
6727 * 0 0 1 invalid snan
6728 * 0 1 0 invalid snan
6729 * 0 1 1 invalid snan
6730 * 1 0 0 infinity snan 1.#INF
6731 * 1 0 1 snan 1.#SNAN
6732 * 1 1 0 qnan -1.#IND (x86 chooses this to negative)
6733 * 1 1 1 qnan 1.#QNAN
6734 *
6735 * This means that in this format there are 61 bits available
6736 * for the nan payload.
6737 *
3bbe6a60
JH		 6738 * Note that the 32-bit x86 ABI cannot do signaling nans: the x87
6739 * simply cannot preserve the bit. You can either use the 80-bit
6740 * extended precision (long double, -Duselongdouble), or use x86-64.
6741 *
453b60f1
JH		 6742 * In all platforms, the payload bytes (and bits, some of them are
6743 * often in a partial byte) themselves can be either all zero (x86),
6744 * all one (sparc or mips), or a mixture: in IEEE 754 128-bit double
6745 * or in a double-double, the first half of the payload can follow the
6746 * native double, while in the second half the payload can be all
6747 * zeros. (Therefore the mask for payload bits is not necessarily
6748 * identical to bit complement of the NaN.) Another way of putting
6749 * this: the payload for the default NaN might not be zero.
6750 *
6751 * For the x86 80-bit long doubles, the trailing bytes (the 80 bits
6752 * being 'packaged' in either 12 or 16 bytes) can be whatever random
6753 * garbage.
6754 *
6755 * Furthermore, the semantics of the sign bit on NaNs are platform-specific.
6756 * On normal floats, the sign bit being on means negative. But this may,
6757 * or may not, be reverted on NaNs: in other words, the default NaN might
6758 * have the sign bit on, and therefore look like negative if you look
6759 * at it at the bit level.
6760 *
6761 * NaN payloads are not propagated even on copies, or in arithmetics.
6762 * They *might* be, according to some rules, on your particular
6763 * cpu/os/compiler/libraries, but no guarantees.
6764 *
6765 * To summarize, on most platforms, and for 64-bit doubles
6766 * (using big-endian ordering here):
6767 *
6768 * [7FF8000000000000..7FFFFFFFFFFFFFFF] quiet
6769 * [FFF8000000000000..FFFFFFFFFFFFFFFF] quiet
6770 * [7FF0000000000001..7FF7FFFFFFFFFFFF] signaling
6771 * [FFF0000000000001..FFF7FFFFFFFFFFFF] signaling
6772 *
6773 * The C99 nan() is supposed to generate *quiet* NaNs.
6774 *
6775 * Note the asymmetry:
6776 * The 7FF0000000000000 is positive infinity,
6777 * the FFF0000000000000 is negative infinity.
6778 */
6779
6780/* NVMANTBITS is the number of _real_ mantissa bits in an NV.
5a14060a
JH		 6781 * For the standard IEEE 754 fp this number is usually one less that
6782 * *DBL_MANT_DIG because of the implicit (aka hidden) bit, which isn't
6783 * real. For the 80-bit extended precision formats (x86*), the number
6784 * of mantissa bits... depends. For normal floats, it's 64. But for
6785 * the inf/nan, it's different (zero for inf, 61 for nan).
6786 * NVMANTBITS works for normal floats. */
6787
6788/* We do not want to include the quiet/signaling bit. */
6789#define NV_NAN_BITS (NVMANTBITS - 1)
5c255b3b 6790
f37aa828
JH		 6791#if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE
6792# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6793# define NV_NAN_QS_BYTE_OFFSET 13
6794# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6795# define NV_NAN_QS_BYTE_OFFSET 2
6796# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
6797# define NV_NAN_QS_BYTE_OFFSET 7
6798# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
6799# define NV_NAN_QS_BYTE_OFFSET 2
6800# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN
6801# define NV_NAN_QS_BYTE_OFFSET 13
6802# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN
6803# define NV_NAN_QS_BYTE_OFFSET 1
6804# else
6805# error "Unexpected long double format"
6806# endif
6807#else
6808# ifdef USE_QUADMATH
6809# ifdef NV_LITTLE_ENDIAN
6810# define NV_NAN_QS_BYTE_OFFSET 13
6811# elif defined(NV_BIG_ENDIAN)
6812# define NV_NAN_QS_BYTE_OFFSET 2
6813# else
6814# error "Unexpected quadmath format"
6815# endif
6816# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
6817# define NV_NAN_QS_BYTE_OFFSET 2
6818# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
6819# define NV_NAN_QS_BYTE_OFFSET 1
6820# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
6821# define NV_NAN_QS_BYTE_OFFSET 6
6822# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
6823# define NV_NAN_QS_BYTE_OFFSET 1
6824# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6825# define NV_NAN_QS_BYTE_OFFSET 13
6826# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6827# define NV_NAN_QS_BYTE_OFFSET 2
6828# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
6829# define NV_NAN_QS_BYTE_OFFSET 2 /* bytes 4 5 6 7 0 1 2 3 (MSB 7) */
6830# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
6831# define NV_NAN_QS_BYTE_OFFSET 5 /* bytes 3 2 1 0 7 6 5 4 (MSB 7) */
6832# else
6833# error "Unexpected double format"
6834# endif
6835#endif
6836/* NV_NAN_QS_BYTE is the byte to test for the quiet/signaling */
6837#define NV_NAN_QS_BYTE(nvp) (((U8*)(nvp))[NV_NAN_QS_BYTE_OFFSET])
6838/* NV_NAN_QS_BIT is the bit to test in the NV_NAN_QS_BYTE_OFFSET
6839 * for the quiet/signaling */
6840#if defined(USE_LONG_DOUBLE) && \
6841 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN || \
6842 LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN)
6843# define NV_NAN_QS_BIT_SHIFT 6 /* 0x40 */
6844#elif defined(USE_LONG_DOUBLE) && \
6845 (LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN || \
6846 LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN)
5a14060a 6847# define NV_NAN_QS_BIT_SHIFT 3 /* 0x08, but not via NV_NAN_BITS */
f37aa828 6848#else
5a14060a 6849# define NV_NAN_QS_BIT_SHIFT ((NV_NAN_BITS) % 8) /* usually 3, or 0x08 */
f37aa828
JH		 6850#endif
6851#define NV_NAN_QS_BIT (1 << (NV_NAN_QS_BIT_SHIFT))
6852/* NV_NAN_QS_BIT_OFFSET is the bit offset from the beginning of a NV
6853 * (bytes ordered big-endianly) for the quiet/signaling bit
6854 * for the quiet/signaling */
6855#define NV_NAN_QS_BIT_OFFSET \
6856 (8 * (NV_NAN_QS_BYTE_OFFSET) + (NV_NAN_QS_BIT_SHIFT))
8122f9aa
JH		 6857/* NV_NAN_QS_QUIET (always defined) is true if the NV_NAN_QS_QS_BIT being
6858 * on indicates quiet NaN. NV_NAN_QS_SIGNALING (also always defined)
6859 * is true if the NV_NAN_QS_BIT being on indicates signaling NaN. */
f37aa828
JH		 6860#define NV_NAN_QS_QUIET \
6861 ((NV_NAN_QS_BYTE(PL_nan.u8) & NV_NAN_QS_BIT) == NV_NAN_QS_BIT)
6862#define NV_NAN_QS_SIGNALING (!(NV_NAN_QS_QUIET))
6863#define NV_NAN_QS_TEST(nvp) (NV_NAN_QS_BYTE(nvp) & NV_NAN_QS_BIT)
6864/* NV_NAN_IS_QUIET() returns true if the NV behind nvp is a NaN,
6865 * whether it is a quiet NaN, NV_NAN_IS_SIGNALING() if a signaling NaN.
6866 * Note however that these do not check whether the nvp is a NaN. */
6867#define NV_NAN_IS_QUIET(nvp) \
6868 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? NV_NAN_QS_BIT : 0))
6869#define NV_NAN_IS_SIGNALING(nvp) \
6870 (NV_NAN_QS_TEST(nvp) == (NV_NAN_QS_QUIET ? 0 : NV_NAN_QS_BIT))
6871#define NV_NAN_SET_QUIET(nvp) \
6872 (NV_NAN_QS_QUIET ? \
6873 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT) : \
6874 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT))
6875#define NV_NAN_SET_SIGNALING(nvp) \
6876 (NV_NAN_QS_QUIET ? \
6877 (NV_NAN_QS_BYTE(nvp) &= ~NV_NAN_QS_BIT) : \
6878 (NV_NAN_QS_BYTE(nvp) |= NV_NAN_QS_BIT))
6879#define NV_NAN_QS_XOR(nvp) (NV_NAN_QS_BYTE(nvp) ^= NV_NAN_QS_BIT)
6880
d3137b5f
JH		 6881/* NV_NAN_PAYLOAD_MASK: masking the nan payload bits.
6882 *
6883 * NV_NAN_PAYLOAD_PERM: permuting the nan payload bytes.
6884 * 0xFF means "don't go here".*/
6885
6886/* Shorthands to avoid typoses. */
6887#define NV_NAN_PAYLOAD_PERM_0_TO_7 \
6888 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7
6889#define NV_NAN_PAYLOAD_PERM_7_TO_0 \
6890 0x7, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0
6891#define NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE \
6892 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
6893 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x00, 0x00
6894#define NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE \
6895 NV_NAN_PAYLOAD_PERM_0_TO_7, \
6896 0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xFF, 0xFF
6897#define NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE \
6898 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6899 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6900#define NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE \
6901 0xFF, 0xFF, 0xd, 0xc, 0xb, 0xa, 0x9, 0x8, \
6902 NV_NAN_PAYLOAD_PERM_7_TO_0
6903#define NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE \
6904 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x00
6905#define NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE \
6906 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0xFF
6907#define NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE \
6908 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6909#define NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE \
6910 0xFF, 0x6, 0x5, 0x4, 0x3, 0x2, 0x1, 0x0
6911
6912#if defined(USE_LONG_DOUBLE) && NVSIZE > DOUBLESIZE
6913# if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
6914# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6915# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6916# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
6917# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6918# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6919# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_LITTLE_ENDIAN
a7ab4d96
JH		 6920# if LONG_DOUBLESIZE == 10
6921# define NV_NAN_PAYLOAD_MASK \
6922 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6923 0x00, 0x00
6924# define NV_NAN_PAYLOAD_PERM \
6925 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF
6926# elif LONG_DOUBLESIZE == 12
d3137b5f
JH		 6927# define NV_NAN_PAYLOAD_MASK \
6928 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6929 0x00, 0x00, 0x00, 0x00
6930# define NV_NAN_PAYLOAD_PERM \
6931 NV_NAN_PAYLOAD_PERM_0_TO_7, 0xFF, 0xFF, 0xFF, 0xFF
6932# elif LONG_DOUBLESIZE == 16
6933# define NV_NAN_PAYLOAD_MASK \
6934 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, \
6935 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
6936# define NV_NAN_PAYLOAD_PERM \
6937 NV_NAN_PAYLOAD_PERM_0_TO_7, \
6938 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
6939# else
6940# error "Unexpected x86 80-bit little-endian long double format"
6941# endif
6942# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_X86_80_BIT_BIG_ENDIAN
a7ab4d96
JH		 6943# if LONG_DOUBLESIZE == 10
6944# define NV_NAN_PAYLOAD_MASK \
6945 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6946 0xff, 0xff
6947# define NV_NAN_PAYLOAD_PERM \
6948 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF
6949# elif LONG_DOUBLESIZE == 12
d3137b5f
JH		 6950# define NV_NAN_PAYLOAD_MASK \
6951 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6952 0xff, 0xff, 0x00, 0x00
6953# define NV_NAN_PAYLOAD_PERM \
6954 NV_NAN_PAYLOAD_PERM_7_TO_0, 0xFF, 0xFF, 0xFF, 0xFF
6955# elif LONG_DOUBLESIZE == 16
6956# define NV_NAN_PAYLOAD_MASK \
6957 0x00, 0x00, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, \
6958 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
6959# define NV_NAN_PAYLOAD_PERM \
6960 NV_NAN_PAYLOAD_PERM_7_TO_0, \
6961 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
6962# else
a7ab4d96 6963# error "Unexpected x86 80-bit big-endian long double format"
d3137b5f
JH		 6964# endif
6965# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_LITTLE_ENDIAN
6966/* For double-double we assume only the first double is used for NaN. */
6967# define NV_NAN_PAYLOAD_MASK \
6968 NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6969# define NV_NAN_PAYLOAD_PERM \
6970 NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6971# elif LONG_DOUBLEKIND == LONG_DOUBLE_IS_DOUBLEDOUBLE_128_BIT_BIG_ENDIAN
6972# define NV_NAN_PAYLOAD_MASK \
6973 NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
6974# define NV_NAN_PAYLOAD_PERM \
6975 NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
6976# else
6977# error "Unexpected long double format"
6978# endif
6979#else
6980# ifdef USE_QUADMATH /* quadmath is not long double */
6981# ifdef NV_LITTLE_ENDIAN
6982# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
6983# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
6984# elif defined(NV_BIG_ENDIAN)
6985# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
6986# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
6987# else
6988# error "Unexpected quadmath format"
6989# endif
6990# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_LITTLE_ENDIAN
6991# define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00
6992# define NV_NAN_PAYLOAD_PERM 0x0, 0x1, 0x2, 0xFF
6993# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN
6994# define NV_NAN_PAYLOAD_MASK 0x00, 0x07, 0xff, 0xff
6995# define NV_NAN_PAYLOAD_PERM 0xFF, 0x2, 0x1, 0x0
6996# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_LITTLE_ENDIAN
6997# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_LE
6998# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_LE
6999# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN
7000# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_64_BE
7001# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_64_BE
7002# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN
7003# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_LE
7004# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_LE
7005# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
7006# define NV_NAN_PAYLOAD_MASK NV_NAN_PAYLOAD_MASK_IEEE_754_128_BE
7007# define NV_NAN_PAYLOAD_PERM NV_NAN_PAYLOAD_PERM_IEEE_754_128_BE
7008# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_LE_BE
7009# define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0x07, 0x00, 0xff, 0xff, 0xff, 0xff
7010# define NV_NAN_PAYLOAD_PERM 0x4, 0x5, 0x6, 0xFF, 0x0, 0x1, 0x2, 0x3
7011# elif DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_MIXED_ENDIAN_BE_LE
7012# define NV_NAN_PAYLOAD_MASK 0xff, 0xff, 0xff, 0xff, 0x00, 0x07, 0xff, 0xff
7013# define NV_NAN_PAYLOAD_PERM 0x3, 0x2, 0x1, 0x0, 0xFF, 0x6, 0x5, 0x4
7014# else
7015# error "Unexpected double format"
7016# endif
7017#endif
10edeb5d
JH		 7018/*
7019
7020 (KEEP THIS LAST IN perl.h!)
7021
7022 Mention
d460ef45 7023
43999f95 7024 NV_PRESERVES_UV
fe749a9f 7025
fe749a9f
JH		 7026 HAS_MKSTEMP
7027 HAS_MKSTEMPS
7028 HAS_MKDTEMP
7029
49dabb45
JH		 7030 HAS_GETCWD
7031
d59b5429 7032 HAS_MMAP
fe749a9f
JH		 7033 HAS_MPROTECT
7034 HAS_MSYNC
1e8c3fde 7035 HAS_MADVISE
fe749a9f
JH		 7036 HAS_MUNMAP
7037 I_SYSMMAN
7038 Mmap_t
7039
6b4667fc
A		 7040 NVef
7041 NVff
7042 NVgf
7043
4e0554ec 7044 HAS_UALARM
2d736872 7045 HAS_USLEEP
4e0554ec
JH		 7046
7047 HAS_SETITIMER
7048 HAS_GETITIMER
7049
7050 HAS_SENDMSG
7051 HAS_RECVMSG
7052 HAS_READV
7053 HAS_WRITEV
7054 I_SYSUIO
7055 HAS_STRUCT_MSGHDR
7056 HAS_STRUCT_CMSGHDR
7057
2765b840 7058 HAS_NL_LANGINFO
0a7020c9 7059
ae0e3d3b 7060 HAS_DIRFD
2765b840 7061
10edeb5d 7062 so that Configure picks them up.
ab3bbdeb 7063
10edeb5d 7064 (KEEP THIS LAST IN perl.h!)
3df15adc 7065
10edeb5d 7066*/
3df15adc 7067
85e6fe83 7068#endif /* Include guard */
e9a8c099
MHM		 7069
7070/*
14d04a33 7071 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 7072 */
Unnamed repository; edit this file 'description' to name the repository.