This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
op.c:newMETHOP: Remove op_next check
[perl5.git] / perl.h
CommitLineData
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
JH		 37#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \
38 defined(_STDC_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
JH		 142# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
143# ifndef PERLIO_FUNCS_CONST
144# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
145# endif
146# else
147# define PERL_GET_VARS() PL_VarsPtr
148# endif
149# endif
150#endif
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) \
16c91539 234 if(prog) RX_ENGINE(prog)->free(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
27da23d5
JH		 499/* Some platforms require marking function declarations
500 * for them to be exportable. Used in perlio.h, proto.h
501 * is handled either by the makedef.pl or by defining the
502 * PERL_CALLCONV to be something special. See also the
503 * definition of XS() in XSUB.h. */
504#ifndef PERL_EXPORT_C
a0c21aa1
JH		 505# ifdef __cplusplus
506# define PERL_EXPORT_C extern "C"
507# else
508# define PERL_EXPORT_C extern
509# endif
27da23d5
JH		 510#endif
511#ifndef PERL_XS_EXPORT_C
a0c21aa1
JH		 512# ifdef __cplusplus
513# define PERL_XS_EXPORT_C extern "C"
514# else
515# define PERL_XS_EXPORT_C
516# endif
27da23d5
JH		 517#endif
518
5b692037
JH		 519#if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
520# ifndef PERL_USE_GCC_BRACE_GROUPS
521# define PERL_USE_GCC_BRACE_GROUPS
522# endif
523#endif
524
728e2803 525/*
526 * STMT_START { statements; } STMT_END;
527 * can be used as a single statement, as in
528 * if (x) STMT_START { ... } STMT_END; else ...
529 *
530 * Trying to select a version that gives no warnings...
531 */
532#if !(defined(STMT_START) && defined(STMT_END))
5b692037 533# ifdef PERL_USE_GCC_BRACE_GROUPS
a0288114 534# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 535# define STMT_END )
536# else
728e2803 537# define STMT_START do
538# define STMT_END while (0)
728e2803 539# endif
540#endif
541
d6f9c181
JH		 542#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
543# define BYTEORDER 0x1234
79072805
LW		 544#endif
545
546/* Overall memory policy? */
547#ifndef CONSERVATIVE
548# define LIBERAL 1
549#endif
550
8ada0baa
JH		 551#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
552#define ASCIIish
553#else
554#undef ASCIIish
555#endif
556
79072805
LW		 557/*
558 * The following contortions are brought to you on behalf of all the
559 * standards, semi-standards, de facto standards, not-so-de-facto standards
560 * of the world, as well as all the other botches anyone ever thought of.
561 * The basic theory is that if we work hard enough here, the rest of the
562 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
563 */
ac58e20f 564
ee0007ab 565/* define this once if either system, instead of cluttering up the src */
7c458fae 566#if defined(MSDOS) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 567#define DOSISH 1
568#endif
569
739a0b84 570#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 571# define STANDARD_C 1
572#endif
573
8d87852b 574#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 575# define DONT_DECLARE_STD 1
576#endif
577
352d5a3a 578#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 579# define VOL volatile
663a0e37 580#else
79072805 581# define VOL
663a0e37
LW		 582#endif
583
284167a5
S		 584/* By compiling a perl with -DNO_TAINT_SUPPORT or -DSILENT_NO_TAINT_SUPPORT,
585 * you get a perl without taint support, but doubtlessly with a lesser
586 * degree of support. Do not do so unless you know exactly what it means
587 * technically, have a good reason to do so, and know exactly how the
588 * perl will be used. perls with -DSILENT_NO_TAINT_SUPPORT are considered
589 * a potential security risk due to flat out ignoring the security-relevant
590 * taint flags. This being said, a perl without taint support compiled in
591 * has marginal run-time performance benefits.
592 * SILENT_NO_TAINT_SUPPORT implies NO_TAINT_SUPPORT.
593 * SILENT_NO_TAINT_SUPPORT is the same as NO_TAINT_SUPPORT except it
594 * silently ignores -t/-T instead of throwing an exception.
053a3618
S		 595 *
596 * DANGER! Using NO_TAINT_SUPPORT or SILENT_NO_TAINT_SUPPORT
6ecb40c7 597 * voids your nonexistent warranty!
284167a5 598 */
dc6d7f5c 599#if defined(SILENT_NO_TAINT_SUPPORT) && !defined(NO_TAINT_SUPPORT)
284167a5
S		 600# define NO_TAINT_SUPPORT 1
601#endif
602
603/* NO_TAINT_SUPPORT can be set to transform virtually all taint-related
604 * operations into no-ops for a very modest speed-up. Enable only if you
605 * know what you're doing: tests and CPAN modules' tests are bound to fail.
606 */
dc6d7f5c 607#ifdef NO_TAINT_SUPPORT
284167a5
S		 608# define TAINT NOOP
609# define TAINT_NOT NOOP
610# define TAINT_IF(c) NOOP
611# define TAINT_ENV() NOOP
612# define TAINT_PROPER(s) NOOP
613# define TAINT_set(s) NOOP
614# define TAINT_get 0
615# define TAINTING_get 0
616# define TAINTING_set(s) NOOP
617# define TAINT_WARN_get 0
618# define TAINT_WARN_set(s) NOOP
619#else
620# define TAINT (PL_tainted = TRUE)
621# define TAINT_NOT (PL_tainted = FALSE)
2439e033
S		 622# define TAINT_IF(c) if (UNLIKELY(c)) { PL_tainted = TRUE; }
623# define TAINT_ENV() if (UNLIKELY(PL_tainting)) { taint_env(); }
624# define TAINT_PROPER(s) if (UNLIKELY(PL_tainting)) { taint_proper(NULL, s); }
284167a5
S		 625# define TAINT_set(s) (PL_tainted = (s))
626# define TAINT_get (PL_tainted)
627# define TAINTING_get (PL_tainting)
628# define TAINTING_set(s) (PL_tainting = (s))
629# define TAINT_WARN_get (PL_taint_warn)
630# define TAINT_WARN_set(s) (PL_taint_warn = (s))
631#endif
a687059c 632
20be6587
DM		 633/* flags used internally only within pp_subst and pp_substcont */
634#ifdef PERL_CORE
635# define SUBST_TAINT_STR 1 /* string tainted */
636# define SUBST_TAINT_PAT 2 /* pattern tainted */
637# define SUBST_TAINT_REPL 4 /* replacement tainted */
638# define SUBST_TAINT_RETAINT 8 /* use re'taint' in scope */
639# define SUBST_TAINT_BOOLRET 16 /* return is boolean (don't taint) */
640#endif
641
d460ef45 642/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 643 defines move there? If so, I could simplify this a lot. --AD 9/96.
644*/
645/* Process group stuff changed from traditional BSD to POSIX.
646 perlfunc.pod documents the traditional BSD-style syntax, so we'll
647 try to preserve that, if possible.
648*/
649#ifdef HAS_SETPGID
650# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 651#else
a6e633de 652# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
653# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
654# else
655# ifdef HAS_SETPGRP2 /* DG/UX */
656# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
657# endif
658# endif
659#endif
660#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
661# define HAS_SETPGRP /* Well, effectively it does . . . */
662#endif
663
664/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
665 our life easier :-) so we'll try it.
666*/
667#ifdef HAS_GETPGID
668# define BSD_GETPGRP(pid) getpgid((pid))
669#else
670# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
671# define BSD_GETPGRP(pid) getpgrp((pid))
672# else
673# ifdef HAS_GETPGRP2 /* DG/UX */
674# define BSD_GETPGRP(pid) getpgrp2((pid))
675# endif
676# endif
677#endif
678#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
679# define HAS_GETPGRP /* Well, effectively it does . . . */
680#endif
681
d460ef45 682/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 683 have different behaviors, but perl.h used to define USE_BSDPGRP
684 (prior to 5.003_05) so some extension might depend on it.
685*/
686#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
687# ifndef USE_BSDPGRP
688# define USE_BSDPGRP
689# endif
663a0e37
LW		 690#endif
691
486ec47a 692/* HP-UX 10.X CMA (Common Multithreaded Architecture) insists that
8ac5a1fe
MH		 693 pthread.h must be included before all other header files.
694*/
3db8f154 695#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 696# include <pthread.h>
697#endif
698
58ab9e8b 699#include <sys/types.h>
663a0e37 700
760ac839
LW		 701#ifdef __cplusplus
702# ifndef I_STDARG
703# define I_STDARG 1
704# endif
705#endif
706
c7925a5e
DD		 707/* EVC 4 SDK headers includes a bad definition of MB_CUR_MAX in stdlib.h
708 which is included from stdarg.h. Bad definition not present in SD 2008
709 SDK headers. wince.h is not yet included, so we cant fix this from there
710 since by then MB_CUR_MAX will be defined from stdlib.h.
711 cewchar.h includes a correct definition of MB_CUR_MAX and it is copied here
712 since cewchar.h can't be included this early */
713#if defined(UNDER_CE) && (_MSC_VER < 1300)
714# define MB_CUR_MAX 1
715#endif
760ac839
LW		 716#ifdef I_STDARG
717# include <stdarg.h>
718#else
719# ifdef I_VARARGS
720# include <varargs.h>
721# endif
722#endif
723
27db2737
JH		 724#ifdef I_STDINT
725# include <stdint.h>
726#endif
727
fe14fcc3 728#include <ctype.h>
a0d0e21e
LW		 729
730#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
731#undef METHOD
a0d0e21e
LW		 732#endif
733
12ae5dfc
JH		 734#ifdef PERL_MICRO
735# define NO_LOCALE
736#endif
737
4633a7c4 738#ifdef I_LOCALE
36477c24 739# include <locale.h>
4633a7c4
LW		 740#endif
741
36477c24 742#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
743# define USE_LOCALE
ccd65d51
KW		 744# define HAS_SKIP_LOCALE_INIT /* Solely for XS code to test for this
745 capability */
36477c24 746# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
747 && defined(HAS_STRXFRM)
748# define USE_LOCALE_COLLATE
749# endif
750# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
751# define USE_LOCALE_CTYPE
752# endif
753# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
754# define USE_LOCALE_NUMERIC
755# endif
fa9b773e
KW		 756# if !defined(NO_LOCALE_MESSAGES) && defined(LC_MESSAGES)
757# define USE_LOCALE_MESSAGES
758# endif
759# if !defined(NO_LOCALE_MONETARY) && defined(LC_MONETARY)
760# define USE_LOCALE_MONETARY
761# endif
56e45410
KW		 762# if !defined(NO_LOCALE_TIME) && defined(LC_TIME)
763# define USE_LOCALE_TIME
764# endif
b385bb4d
KW		 765# ifndef WIN32 /* No wrapper except on Windows */
766# define my_setlocale(a,b) setlocale(a,b)
767# endif
36477c24 768#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 769
3e669301
KW		 770/* Is $^ENCODING set, or are we under the encoding pragma? */
771#define IN_ENCODING UNLIKELY(PL_encoding \
772 || (PL_lex_encoding && _get_encoding() != NULL))
47e13f24 773
fe14fcc3 774#include <setjmp.h>
79072805 775
a0d0e21e 776#ifdef I_SYS_PARAM
79072805
LW		 777# ifdef PARAM_NEEDS_TYPES
778# include <sys/types.h>
779# endif
780# include <sys/param.h>
352d5a3a 781#endif
79072805 782
ce3470dc
AD		 783/* On BSD-derived systems, <sys/param.h> defines BSD to a year-month
784 value something like 199306. This may be useful if no more-specific
785 feature test is available.
786*/
787#if defined(BSD)
788# ifndef BSDish
789# define BSDish
790# endif
791#endif
792
79072805 793/* Use all the "standard" definitions? */
a0d0e21e 794#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 795# include <stdlib.h>
ff68c719 796#endif
03a14243 797
3f270f98
JH		 798/* If this causes problems, set i_unistd=undef in the hint file. */
799#ifdef I_UNISTD
800# include <unistd.h>
801#endif
802
de8ca8af
NT		 803/* for WCOREDUMP */
804#ifdef I_SYS_WAIT
805# include <sys/wait.h>
806#endif
807
9969cdde 808#ifdef __SYMBIAN32__
27da23d5
JH		 809# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
810#endif
811
21e89b5f 812#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
c45598c5 813EXTERN_C int syscall(int, ...);
2ef53570
JH		 814#endif
815
21e89b5f 816#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
c45598c5 817EXTERN_C int usleep(unsigned int);
2ef53570
JH		 818#endif
819
1109a392
MHM		 820#ifdef PERL_CORE
821
822/* macros for correct constant construction */
823# if INTSIZE >= 2
824# define U16_CONST(x) ((U16)x##U)
825# else
826# define U16_CONST(x) ((U16)x##UL)
827# endif
828
829# if INTSIZE >= 4
830# define U32_CONST(x) ((U32)x##U)
831# else
832# define U32_CONST(x) ((U32)x##UL)
833# endif
834
835# ifdef HAS_QUAD
836# if INTSIZE >= 8
837# define U64_CONST(x) ((U64)x##U)
838# elif LONGSIZE >= 8
839# define U64_CONST(x) ((U64)x##UL)
840# elif QUADKIND == QUAD_IS_LONG_LONG
841# define U64_CONST(x) ((U64)x##ULL)
52865553
SH		 842# elif QUADKIND == QUAD_IS___INT64
843# define U64_CONST(x) ((U64)x##UI64)
1109a392
MHM		 844# else /* best guess we can make */
845# define U64_CONST(x) ((U64)x##UL)
846# endif
847# endif
848
849/* byte-swapping functions for big-/little-endian conversion */
850# define _swab_16_(x) ((U16)( \
851 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
852 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
853
854# define _swab_32_(x) ((U32)( \
855 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
856 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
857 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
858 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
859
860# ifdef HAS_QUAD
861# define _swab_64_(x) ((U64)( \
862 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
863 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
864 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
865 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
866 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
867 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
868 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
869 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
870# endif
871
9c17f24a
NC		 872/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
873 at least on FreeBSD. YMMV, so experiment. */
874#ifndef PERL_ARENA_SIZE
875#define PERL_ARENA_SIZE 4080
876#endif
877
ccb2c8b8 878/* Maximum level of recursion */
2b9dff67
RGS		 879#ifndef PERL_SUB_DEPTH_WARN
880#define PERL_SUB_DEPTH_WARN 100
ccb2c8b8
RGS		 881#endif
882
1109a392
MHM		 883#endif /* PERL_CORE */
884
bdf3085f
NC		 885/* We no longer default to creating a new SV for GvSV.
886 Do this before embed. */
887#ifndef PERL_CREATE_GVSV
7459f06b
NC		 888# ifndef PERL_DONT_CREATE_GVSV
889# define PERL_DONT_CREATE_GVSV
890# endif
bdf3085f
NC		 891#endif
892
ca0c25f6
NC		 893#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
894#define PERL_USES_PL_PIDSTATUS
895#endif
896
739a0b84 897#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(__SYMBIAN32__)
a62746fa
RGS		 898#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
899#endif
900
c31fac66
GS		 901#define MEM_SIZE Size_t
902
1936d2a7
NC		 903/* Round all values passed to malloc up, by default to a multiple of
904 sizeof(size_t)
905*/
906#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
907#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
908#endif
909
f1200559
WH		 910/* sv_grow() will expand strings by at least a certain percentage of
911 the previously *used* length to avoid excessive calls to realloc().
912 The default is 25% of the current length.
913*/
914#ifndef PERL_STRLEN_EXPAND_SHIFT
915# define PERL_STRLEN_EXPAND_SHIFT 2
916#endif
917
3800c318 918#if defined(STANDARD_C) && defined(I_STDDEF) && !defined(PERL_GCC_PEDANTIC)
51371543
GS		 919# include <stddef.h>
920# define STRUCT_OFFSET(s,m) offsetof(s,m)
921#else
922# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
d0b86e2f
BF		 923#endif
924
925/* ptrdiff_t is C11, so undef it under pedantic builds */
926#ifdef PERL_GCC_PEDANTIC
927# undef HAS_PTRDIFF_T
51371543
GS		 928#endif
929
9969cdde 930#ifndef __SYMBIAN32__
27da23d5
JH		 931# if defined(I_STRING) || defined(__cplusplus)
932# include <string.h>
933# else
934# include <strings.h>
935# endif
51371543
GS		 936#endif
937
55497cff 938/* This comes after <stdlib.h> so we don't try to change the standard
939 * library prototypes; we'll use our own in proto.h instead. */
03a14243 940
4633a7c4 941#ifdef MYMALLOC
86058a2d 942# ifdef PERL_POLLUTE_MALLOC
ee13e175 943# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 944# define Perl_malloc malloc
945# define Perl_calloc calloc
946# define Perl_realloc realloc
947# define Perl_mfree free
ee13e175 948# endif
86058a2d
GS		 949# else
950# define EMBEDMYMALLOC /* for compatibility */
951# endif
827e134a 952
651b9576
GS		 953# define safemalloc Perl_malloc
954# define safecalloc Perl_calloc
955# define saferealloc Perl_realloc
956# define safefree Perl_mfree
22f7c9c9
JH		 957# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
958 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
959 code; \
960 } STMT_END
961# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
962 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
963# define panic_write2(s) write(2, s, strlen(s))
964# define CHECK_MALLOC_TAINT(newval) \
965 CHECK_MALLOC_TOO_LATE_FOR_( \
966 if (newval) { \
acfd4d8e 967 PERL_UNUSED_RESULT(panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n"));\
22f7c9c9 968 exit(1); })
22f7c9c9 969# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 970 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 971 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
972 }} STMT_END;
f2517201
GS		 973#else /* MYMALLOC */
974# define safemalloc safesysmalloc
975# define safecalloc safesyscalloc
976# define saferealloc safesysrealloc
977# define safefree safesysfree
22f7c9c9
JH		 978# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
979# define CHECK_MALLOC_TAINT(newval) ((void)0)
980# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 981#endif /* MYMALLOC */
4633a7c4 982
fe13d51d 983/* diag_listed_as: "-T" is on the #! line, it must also be used on the command line */
27da23d5 984#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		 985#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
986#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
987#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
988
a0d0e21e
LW		 989#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
990#define strchr index
991#define strrchr rindex
992#endif
993
16d20bd9
AD		 994#ifdef I_MEMORY
995# include <memory.h>
996#endif
997
fe14fcc3 998#ifdef HAS_MEMCPY
85e6fe83 999# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 1000# ifndef memcpy
20ce7b12 1001 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 1002# endif
1003# endif
1004#else
1005# ifndef memcpy
1006# ifdef HAS_BCOPY
1007# define memcpy(d,s,l) bcopy(s,d,l)
1008# else
1009# define memcpy(d,s,l) my_bcopy(s,d,l)
1010# endif
1011# endif
1012#endif /* HAS_MEMCPY */
fe14fcc3 1013
ee0007ab 1014#ifdef HAS_MEMSET
85e6fe83 1015# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1016# ifndef memset
20ce7b12 1017 extern char *memset (char*, int, int);
ee0007ab
LW		 1018# endif
1019# endif
ee0007ab 1020#else
12ae5dfc 1021# undef memset
fc36a67e 1022# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 1023#endif /* HAS_MEMSET */
1024
85e6fe83 1025#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 1026# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 1027# define memmove(d,s,l) bcopy(s,d,l)
1028# else
2304df62 1029# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 1030# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 1031# else
79072805 1032# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 1033# endif
352d5a3a 1034# endif
d9d8d8de 1035#endif
ee0007ab 1036
36477c24 1037#if defined(mips) && defined(ultrix) && !defined(__STDC__)
1038# undef HAS_MEMCMP
1039#endif
1040
1041#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 1042# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 1043# ifndef memcmp
20ce7b12 1044 extern int memcmp (char*, char*, int);
ee0007ab
LW		 1045# endif
1046# endif
1047#else
1048# ifndef memcmp
ecfc5424 1049# define memcmp my_memcmp
352d5a3a 1050# endif
36477c24 1051#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 1052
fc36a67e 1053#ifndef memzero
c635e13b 1054# ifdef HAS_MEMSET
1055# define memzero(d,l) memset(d,0,l)
79072805 1056# else
c635e13b 1057# ifdef HAS_BZERO
1058# define memzero(d,l) bzero(d,l)
79072805 1059# else
fc36a67e 1060# define memzero(d,l) my_bzero(d,l)
79072805
LW		 1061# endif
1062# endif
d9d8d8de 1063#endif
378cc40b 1064
2f42fcb0 1065#ifndef PERL_MICRO
0f27ced1
JH		 1066#ifndef memchr
1067# ifndef HAS_MEMCHR
1068# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1069# endif
1070#endif
2f42fcb0 1071#endif
0f27ced1 1072
36477c24 1073#ifndef HAS_BCMP
1074# ifndef bcmp
1075# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1076# endif
36477c24 1077#endif /* !HAS_BCMP */
378cc40b 1078
ae986130 1079#ifdef I_NETINET_IN
79072805 1080# include <netinet/in.h>
ae986130
LW		 1081#endif
1082
28e8609d
JH		 1083#ifdef I_ARPA_INET
1084# include <arpa/inet.h>
1085#endif
1086
1aef975c 1087#ifdef I_SYS_STAT
84902520 1088# include <sys/stat.h>
1aef975c 1089#endif
79072805 1090
287a962e
JD		 1091/* Microsoft VC's sys/stat.h defines all S_Ixxx macros except S_IFIFO.
1092 This definition should ideally go into win32/win32.h, but S_IFIFO is
1093 used later here in perl.h before win32/win32.h is being included. */
1094#if !defined(S_IFIFO) && defined(_S_IFIFO)
1095# define S_IFIFO _S_IFIFO
1096#endif
1097
cc3315ba 1098/* The stat macros for Unisoft System V/88 (and derivatives
a0d0e21e
LW		 1099 like UTekV) are broken, sometimes giving false positives. Undefine
1100 them here and let the code below set them to proper values.
1101
1102 The ghs macro stands for GreenHills Software C-1.8.5 which
1103 is the C compiler for sysV88 and the various derivatives.
1104 This header file bug is corrected in gcc-2.5.8 and later versions.
1105 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1106
cc3315ba 1107#if defined(m88k) && defined(ghs)
79072805
LW		 1108# undef S_ISDIR
1109# undef S_ISCHR
1110# undef S_ISBLK
1111# undef S_ISREG
1112# undef S_ISFIFO
1113# undef S_ISLNK
ee0007ab 1114#endif
135863df 1115
663a0e37
LW		 1116#ifdef I_TIME
1117# include <time.h>
ffed7fef 1118#endif
663a0e37 1119
fe14fcc3 1120#ifdef I_SYS_TIME
85e6fe83 1121# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1122# define KERNEL
1123# endif
1124# include <sys/time.h>
85e6fe83 1125# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1126# undef KERNEL
1127# endif
a687059c 1128#endif
135863df 1129
55497cff 1130#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1131# include <sys/times.h>
d9d8d8de 1132#endif
8d063cd8 1133
fe14fcc3 1134#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1135# undef HAS_STRERROR
663a0e37
LW		 1136#endif
1137
1138#include <errno.h>
1e743fda 1139
acfe0abc 1140#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1141# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1142#endif
1143
da70cfc6 1144#if defined(HAS_SOCKET) && !defined(WIN32) /* WIN32 handles sockets via win32.h */
1e743fda
JH		 1145# include <sys/socket.h>
1146# if defined(USE_SOCKS) && defined(I_SOCKS)
1147# if !defined(INCLUDE_PROTOTYPES)
1148# define INCLUDE_PROTOTYPES /* for <socks.h> */
1149# define PERL_SOCKS_NEED_PROTOTYPES
1150# endif
1151# include <socks.h>
1152# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1153# undef INCLUDE_PROTOTYPES
1154# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1155# endif
d460ef45 1156# endif
1e743fda 1157# ifdef I_NETDB
2986a63f
JH		 1158# ifdef NETWARE
1159# include<stdio.h>
1160# endif
1e743fda
JH		 1161# include <netdb.h>
1162# endif
1163# ifndef ENOTSOCK
1164# ifdef I_NET_ERRNO
1165# include <net/errno.h>
1166# endif
1167# endif
1168#endif
1169
fa0a29af 1170/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1171 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1172 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1173#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1174# if defined(__THROW) && defined(__GLIBC__)
1175int sockatmark(int) __THROW;
1176# else
2ef53570 1177int sockatmark(int);
29820b6d 1178# endif
2ef53570
JH		 1179#endif
1180
7e827271 1181#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		 1182EXTERN_C int fchdir(int);
1183EXTERN_C int flock(int, int);
1184EXTERN_C int fseeko(FILE *, off_t, int);
1185EXTERN_C off_t ftello(FILE *);
1186#endif
1187
7e827271 1188#if defined(__SUNPRO_CC) /* SUNWspro CC (C++) */
1ccb7c8d 1189EXTERN_C char *crypt(const char *, const char *);
7e827271 1190EXTERN_C char **environ;
1ccb7c8d
JH		 1191#endif
1192
83a6ff2e 1193#if defined(__cplusplus)
ce3470dc 1194# if defined(BSDish)
b91fbb93 1195EXTERN_C char **environ;
83a6ff2e 1196# elif defined(__CYGWIN__)
667e2948
SP		 1197EXTERN_C char *crypt(const char *, const char *);
1198#endif
83a6ff2e 1199#endif
667e2948 1200
1e743fda
JH		 1201#ifdef SETERRNO
1202# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1203#endif
f86702cc 1204
1205#ifdef VMS
1206# define SETERRNO(errcode,vmserrcode) \
1207 STMT_START { \
1208 set_errno(errcode); \
1209 set_vaxc_errno(vmserrcode); \
1210 } STMT_END
4ee39169
CS		 1211# define dSAVEDERRNO int saved_errno; unsigned saved_vms_errno
1212# define dSAVE_ERRNO int saved_errno = errno; unsigned saved_vms_errno = vaxc$errno
1213# define SAVE_ERRNO ( saved_errno = errno, saved_vms_errno = vaxc$errno )
1214# define RESTORE_ERRNO SETERRNO(saved_errno, saved_vms_errno)
1215
93189314
JH		 1216# define LIB_INVARG LIB$_INVARG
1217# define RMS_DIR RMS$_DIR
1218# define RMS_FAC RMS$_FAC
1219# define RMS_FEX RMS$_FEX
1220# define RMS_FNF RMS$_FNF
1221# define RMS_IFI RMS$_IFI
1222# define RMS_ISI RMS$_ISI
1223# define RMS_PRV RMS$_PRV
1224# define SS_ACCVIO SS$_ACCVIO
1225# define SS_DEVOFFLINE SS$_DEVOFFLINE
1226# define SS_IVCHAN SS$_IVCHAN
1227# define SS_NORMAL SS$_NORMAL
8a9f18be 1228# define SS_NOPRIV SS$_NOPRIV
748a9306 1229#else
93189314
JH		 1230# define LIB_INVARG 0
1231# define RMS_DIR 0
1232# define RMS_FAC 0
1233# define RMS_FEX 0
1234# define RMS_FNF 0
1235# define RMS_IFI 0
1236# define RMS_ISI 0
1237# define RMS_PRV 0
1238# define SS_ACCVIO 0
1239# define SS_DEVOFFLINE 0
1240# define SS_IVCHAN 0
1241# define SS_NORMAL 0
8a9f18be 1242# define SS_NOPRIV 0
748a9306 1243#endif
ed6116ce 1244
6ca940a9
TC		 1245#ifdef WIN32
1246# define dSAVEDERRNO int saved_errno; DWORD saved_win32_errno
1247# define dSAVE_ERRNO int saved_errno = errno; DWORD saved_win32_errno = GetLastError()
1248# define SAVE_ERRNO ( saved_errno = errno, saved_win32_errno = GetLastError() )
1249# define RESTORE_ERRNO ( errno = saved_errno, SetLastError(saved_win32_errno) )
1250#endif
1251
1252#ifdef OS2
1253# define dSAVEDERRNO int saved_errno; unsigned long saved_os2_errno
1254# define dSAVE_ERRNO int saved_errno = errno; unsigned long saved_os2_errno = Perl_rc
1255# define SAVE_ERRNO ( saved_errno = errno, saved_os2_errno = Perl_rc )
1256# define RESTORE_ERRNO ( errno = saved_errno, Perl_rc = saved_os2_errno )
1257#endif
1258
1259#ifndef SETERRNO
1260# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1261#endif
1262
1263#ifndef dSAVEDERRNO
1264# define dSAVEDERRNO int saved_errno
1265# define dSAVE_ERRNO int saved_errno = errno
1266# define SAVE_ERRNO (saved_errno = errno)
1267# define RESTORE_ERRNO (errno = saved_errno)
1268#endif
1269
f5fa9033 1270#define ERRSV GvSVn(PL_errgv)
dfd167e9
NC		 1271
1272#define CLEAR_ERRSV() STMT_START { \
1273 if (!GvSV(PL_errgv)) { \
1274 sv_setpvs(GvSV(gv_add_by_type(PL_errgv, SVt_PV)), ""); \
1275 } else if (SvREADONLY(GvSV(PL_errgv))) { \
1276 SvREFCNT_dec(GvSV(PL_errgv)); \
1277 GvSV(PL_errgv) = newSVpvs(""); \
1278 } else { \
1279 SV *const errsv = GvSV(PL_errgv); \
1280 sv_setpvs(errsv, ""); \
1281 if (SvMAGICAL(errsv)) { \
1282 mg_free(errsv); \
1283 } \
1284 SvPOK_only(errsv); \
1285 } \
1286 } STMT_END
1287
1288
414bf5ae
MHM		 1289#ifdef PERL_CORE
1290# define DEFSV (0 + GvSVn(PL_defgv))
55b5114f
FC		 1291# define DEFSV_set(sv) \
1292 (SvREFCNT_dec(GvSV(PL_defgv)), GvSV(PL_defgv) = SvREFCNT_inc(sv))
1293# define SAVE_DEFSV \
1294 ( \
1295 save_gp(PL_defgv, 0), \
1296 GvINTRO_off(PL_defgv), \
1297 SAVEGENERICSV(GvSV(PL_defgv)), \
1298 GvSV(PL_defgv) = NULL \
1299 )
414bf5ae
MHM		 1300#else
1301# define DEFSV GvSVn(PL_defgv)
55b5114f
FC		 1302# define DEFSV_set(sv) (GvSV(PL_defgv) = (sv))
1303# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
414bf5ae 1304#endif
38a03e6e 1305
55497cff 1306#ifndef errno
5ff3f7a4
GS		 1307 extern int errno; /* ANSI allows errno to be an lvalue expr.
1308 * For example in multithreaded environments
1309 * something like this might happen:
1310 * extern int *_errno(void);
1311 * #define errno (*_errno()) */
d9d8d8de 1312#endif
663a0e37 1313
7e996671
KW		 1314#define UNKNOWN_ERRNO_MSG "(unknown)"
1315
2304df62 1316#ifdef HAS_STRERROR
b3e384bf 1317# ifndef DONT_DECLARE_STD
a0d0e21e 1318# ifdef VMS
20ce7b12 1319 char *strerror (int,...);
a0d0e21e 1320# else
20ce7b12 1321 char *strerror (int);
a0d0e21e 1322# endif
b3e384bf
KW		 1323# endif
1324# ifndef Strerror
1325# define Strerror strerror
1326# endif
2304df62
AD		 1327#else
1328# ifdef HAS_SYS_ERRLIST
79072805
LW		 1329 extern int sys_nerr;
1330 extern char *sys_errlist[];
2304df62
AD		 1331# ifndef Strerror
1332# define Strerror(e) \
7e996671 1333 ((e) < 0 || (e) >= sys_nerr ? UNKNOWN_ERRNO_MSG : sys_errlist[e])
2304df62 1334# endif
79072805 1335# endif
35c8bce7 1336#endif
663a0e37 1337
2304df62 1338#ifdef I_SYS_IOCTL
79072805
LW		 1339# ifndef _IOCTL_
1340# include <sys/ioctl.h>
1341# endif
a687059c
LW		 1342#endif
1343
ee0007ab 1344#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1345# ifdef HAS_SOCKETPAIR
1346# undef HAS_SOCKETPAIR
1347# endif
2304df62
AD		 1348# ifdef I_NDBM
1349# undef I_NDBM
79072805 1350# endif
a687059c
LW		 1351#endif
1352
02fc2eee
NC		 1353#ifndef HAS_SOCKETPAIR
1354# ifdef HAS_SOCKET
1355# define socketpair Perl_my_socketpair
1356# endif
1357#endif
1358
a687059c 1359#if INTSIZE == 2
79072805
LW		 1360# define htoni htons
1361# define ntohi ntohs
a687059c 1362#else
79072805
LW		 1363# define htoni htonl
1364# define ntohi ntohl
a687059c
LW		 1365#endif
1366
a0d0e21e 1367/* Configure already sets Direntry_t */
35c8bce7 1368#if defined(I_DIRENT)
663a0e37 1369# include <dirent.h>
ae986130 1370#else
fe14fcc3 1371# ifdef I_SYS_NDIR
79a0689e 1372# include <sys/ndir.h>
663a0e37 1373# else
fe14fcc3 1374# ifdef I_SYS_DIR
79a0689e
LW		 1375# ifdef hp9000s500
1376# include <ndir.h> /* may be wrong in the future */
1377# else
1378# include <sys/dir.h>
1379# endif
663a0e37
LW		 1380# endif
1381# endif
4633a7c4 1382#endif
a687059c 1383
c623bd54
LW		 1384/*
1385 * The following gobbledygook brought to you on behalf of __STDC__.
1386 * (I could just use #ifndef __STDC__, but this is more bulletproof
1387 * in the face of half-implementations.)
1388 */
1389
21e89b5f 1390#if defined(I_SYSMODE)
ca6e1c26
JH		 1391#include <sys/mode.h>
1392#endif
1393
c623bd54
LW		 1394#ifndef S_IFMT
1395# ifdef _S_IFMT
1396# define S_IFMT _S_IFMT
1397# else
1398# define S_IFMT 0170000
1399# endif
1400#endif
1401
1402#ifndef S_ISDIR
1403# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1404#endif
1405
1406#ifndef S_ISCHR
1407# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1408#endif
1409
1410#ifndef S_ISBLK
fe14fcc3
LW		 1411# ifdef S_IFBLK
1412# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1413# else
1414# define S_ISBLK(m) (0)
1415# endif
c623bd54
LW		 1416#endif
1417
1418#ifndef S_ISREG
1419# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1420#endif
1421
1422#ifndef S_ISFIFO
fe14fcc3
LW		 1423# ifdef S_IFIFO
1424# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1425# else
1426# define S_ISFIFO(m) (0)
1427# endif
c623bd54
LW		 1428#endif
1429
1430#ifndef S_ISLNK
1431# ifdef _S_ISLNK
1432# define S_ISLNK(m) _S_ISLNK(m)
1433# else
1434# ifdef _S_IFLNK
1435# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1436# else
1437# ifdef S_IFLNK
1438# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1439# else
1440# define S_ISLNK(m) (0)
1441# endif
1442# endif
1443# endif
1444#endif
1445
1446#ifndef S_ISSOCK
1447# ifdef _S_ISSOCK
1448# define S_ISSOCK(m) _S_ISSOCK(m)
1449# else
1450# ifdef _S_IFSOCK
1451# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1452# else
1453# ifdef S_IFSOCK
1454# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1455# else
1456# define S_ISSOCK(m) (0)
1457# endif
1458# endif
1459# endif
1460#endif
1461
1462#ifndef S_IRUSR
1463# ifdef S_IREAD
1464# define S_IRUSR S_IREAD
1465# define S_IWUSR S_IWRITE
1466# define S_IXUSR S_IEXEC
1467# else
1468# define S_IRUSR 0400
1469# define S_IWUSR 0200
1470# define S_IXUSR 0100
1471# endif
fac7cdfc
JS		 1472#endif
1473
1474#ifndef S_IRGRP
1475# ifdef S_IRUSR
1476# define S_IRGRP (S_IRUSR>>3)
1477# define S_IWGRP (S_IWUSR>>3)
1478# define S_IXGRP (S_IXUSR>>3)
1479# else
1480# define S_IRGRP 0040
1481# define S_IWGRP 0020
1482# define S_IXGRP 0010
1483# endif
1484#endif
1485
1486#ifndef S_IROTH
1487# ifdef S_IRUSR
1488# define S_IROTH (S_IRUSR>>6)
1489# define S_IWOTH (S_IWUSR>>6)
1490# define S_IXOTH (S_IXUSR>>6)
1491# else
1492# define S_IROTH 0040
1493# define S_IWOTH 0020
1494# define S_IXOTH 0010
1495# endif
c623bd54
LW		 1496#endif
1497
1498#ifndef S_ISUID
1499# define S_ISUID 04000
1500#endif
1501
1502#ifndef S_ISGID
1503# define S_ISGID 02000
1504#endif
1505
ca6e1c26
JH		 1506#ifndef S_IRWXU
1507# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1508#endif
ca6e1c26
JH		 1509
1510#ifndef S_IRWXG
1511# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1512#endif
ca6e1c26
JH		 1513
1514#ifndef S_IRWXO
1515# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1516#endif
ca6e1c26 1517
b6c36746 1518/* Haiku R1 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
c21fb2b8
JH		 1519 * which would get included through <sys/file.h >, but that is 3000
1520 * lines in the future. --jhi */
1521
b6c36746 1522#if !defined(S_IREAD) && !defined(__HAIKU__)
ca6e1c26
JH		 1523# define S_IREAD S_IRUSR
1524#endif
1525
b6c36746 1526#if !defined(S_IWRITE) && !defined(__HAIKU__)
ca6e1c26
JH		 1527# define S_IWRITE S_IWUSR
1528#endif
1529
1530#ifndef S_IEXEC
1531# define S_IEXEC S_IXUSR
1532#endif
1533
a0d0e21e 1534#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1535# define SLOPPYDIVIDE
1536#endif
1537
748a9306
LW		 1538#ifdef UV
1539#undef UV
1540#endif
1541
ce582cee
NC		 1542/* For the times when you want the return value of sprintf, and you want it
1543 to be the length. Can't have a thread variable passed in, because C89 has
1544 no varargs macros.
1545*/
1546#ifdef SPRINTF_RETURNS_STRLEN
1547# define my_sprintf sprintf
1548#else
1549# define my_sprintf Perl_my_sprintf
1550#endif
1551
5b692037
JH		 1552/*
1553 * If we have v?snprintf() and the C99 variadic macros, we can just
1554 * use just the v?snprintf(). It is nice to try to trap the buffer
1555 * overflow, however, so if we are DEBUGGING, and we cannot use the
e5afc1ae
DD		 1556 * gcc statement expressions, then use the function wrappers which try
1557 * to trap the overflow. If we can use the gcc statement expressions,
1558 * we can try that even with the version that uses the C99 variadic
1559 * macros.
5b692037
JH		 1560 */
1561
1208b3dd
JH		 1562/* Note that we do not check against snprintf()/vsnprintf() returning
1563 * negative values because that is non-standard behaviour and we use
1564 * snprintf/vsnprintf only iff HAS_VSNPRINTF has been defined, and
1565 * that should be true only if the snprintf()/vsnprintf() are true
1566 * to the standard. */
1567
e8549682
JH		 1568#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
1569
a4eca1d4
JH		 1570#ifdef USE_QUADMATH
1571# define my_snprintf Perl_my_snprintf
1572# define PERL_MY_SNPRINTF_GUARDED
1573#else
dfeee9b1 1574#if defined(HAS_SNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1575# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1576# define my_snprintf(buffer, max, ...) ({ int len = snprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, snprintf); len; })
1208b3dd 1577# define PERL_MY_SNPRINTF_GUARDED
5b692037 1578# else
e8549682 1579# define my_snprintf(buffer, max, ...) snprintf(buffer, max, __VA_ARGS__)
5b692037
JH		 1580# endif
1581#else
1582# define my_snprintf Perl_my_snprintf
1208b3dd 1583# define PERL_MY_SNPRINTF_GUARDED
5b692037 1584#endif
a4eca1d4 1585#endif
5b692037 1586
a4eca1d4
JH		 1587/* There is no quadmath_vsnprintf, and therefore my_vsnprintf()
1588 * dies if called under USE_QUADMATH. */
dfeee9b1 1589#if defined(HAS_VSNPRINTF) && defined(HAS_C99_VARIADIC_MACROS) && !(defined(DEBUGGING) && !defined(PERL_USE_GCC_BRACE_GROUPS)) && !defined(PERL_GCC_PEDANTIC)
5b692037 1590# ifdef PERL_USE_GCC_BRACE_GROUPS
e8549682 1591# define my_vsnprintf(buffer, max, ...) ({ int len = vsnprintf(buffer, max, __VA_ARGS__); PERL_SNPRINTF_CHECK(len, max, vsnprintf); len; })
1208b3dd 1592# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1593# else
e8549682 1594# define my_vsnprintf(buffer, max, ...) vsnprintf(buffer, max, __VA_ARGS__)
5b692037
JH		 1595# endif
1596#else
1597# define my_vsnprintf Perl_my_vsnprintf
1208b3dd 1598# define PERL_MY_VSNPRINTF_GUARDED
5b692037 1599#endif
d9fad198 1600
e8549682
JH		 1601/* You will definitely need to use the PERL_MY_SNPRINTF_POST_GUARD()
1602 * or PERL_MY_VSNPRINTF_POST_GUARD() if you otherwise decide to ignore
1603 * the result of my_snprintf() or my_vsnprintf(). (No, you should not
1604 * completely ignore it: otherwise you cannot know whether your output
1605 * was too long.)
1606 *
1607 * int len = my_sprintf(buf, max, ...);
1608 * PERL_MY_SNPRINTF_POST_GUARD(len, max);
1609 *
1610 * The trick is that in certain platforms [a] the my_sprintf() already
1611 * contains the sanity check, while in certain platforms [b] it needs
1612 * to be done as a separate step. The POST_GUARD is that step-- in [a]
1613 * platforms the POST_GUARD actually does nothing since the check has
1614 * already been done. Watch out for the max being the same in both calls.
1615 *
1616 * If you actually use the snprintf/vsnprintf return value already,
1617 * you assumedly are checking its validity somehow. But you can
1618 * insert the POST_GUARD() also in that case. */
1619
1620#ifndef PERL_MY_SNPRINTF_GUARDED
1621# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, snprintf)
1622#else
1623# define PERL_MY_SNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1624#endif
1625
1626#ifndef PERL_MY_VSNPRINTF_GUARDED
1627# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_SNPRINTF_CHECK(len, max, vsnprintf)
1628#else
1629# define PERL_MY_VSNPRINTF_POST_GUARD(len, max) PERL_UNUSED_VAR(len)
1630#endif
1631
a6cc4119
SP		 1632#ifdef HAS_STRLCAT
1633# define my_strlcat strlcat
1634#else
1635# define my_strlcat Perl_my_strlcat
1636#endif
1637
1638#ifdef HAS_STRLCPY
1639# define my_strlcpy strlcpy
1640#else
1641# define my_strlcpy Perl_my_strlcpy
1642#endif
1643
05f13f53 1644/*
27d4fb96 1645 The IV type is supposed to be long enough to hold any integral
1646 value or a pointer.
1647 --Andy Dougherty August 1996
1648*/
1649
a22e52b9
JH		 1650typedef IVTYPE IV;
1651typedef UVTYPE UV;
8175356b 1652
10cc9d2a 1653#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1654# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1655# define IV_MAX INT64_MAX
1656# define IV_MIN INT64_MIN
1657# define UV_MAX UINT64_MAX
cae7ae48
JH		 1658# ifndef UINT64_MIN
1659# define UINT64_MIN 0
1660# endif
5ff3f7a4
GS		 1661# define UV_MIN UINT64_MIN
1662# else
1663# define IV_MAX PERL_QUAD_MAX
1664# define IV_MIN PERL_QUAD_MIN
1665# define UV_MAX PERL_UQUAD_MAX
1666# define UV_MIN PERL_UQUAD_MIN
1667# endif
cf2093f6
JH		 1668# define IV_IS_QUAD
1669# define UV_IS_QUAD
79072805 1670#else
8175356b 1671# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1672# define IV_MAX INT32_MAX
1673# define IV_MIN INT32_MIN
716026f9
DL		 1674# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1675# define UV_MAX UINT32_MAX
1676# else
1677# define UV_MAX 4294967295U
1678# endif
cae7ae48
JH		 1679# ifndef UINT32_MIN
1680# define UINT32_MIN 0
1681# endif
5ff3f7a4
GS		 1682# define UV_MIN UINT32_MIN
1683# else
1684# define IV_MAX PERL_LONG_MAX
1685# define IV_MIN PERL_LONG_MIN
1686# define UV_MAX PERL_ULONG_MAX
1687# define UV_MIN PERL_ULONG_MIN
1688# endif
8175356b 1689# if IVSIZE == 8
cf2093f6
JH		 1690# define IV_IS_QUAD
1691# define UV_IS_QUAD
de1c2614
JH		 1692# ifndef HAS_QUAD
1693# define HAS_QUAD
1694# endif
cf2093f6
JH		 1695# else
1696# undef IV_IS_QUAD
1697# undef UV_IS_QUAD
9ea40801 1698#if !defined(PERL_CORE) || defined(USING_MSVC6)
e25d460c
NC		 1699/* We think that removing this decade-old undef this will cause too much
1700 breakage on CPAN for too little gain. (See RT #119753)
9ea40801
SH		 1701 However, we do need HAS_QUAD in the core for use by the drand48 code,
1702 but not for Win32 VC6 because it has poor __int64 support. */
cb4b14d5 1703# undef HAS_QUAD
e25d460c 1704#endif
cf2093f6 1705# endif
79072805 1706#endif
d7d93a81 1707
6313e544
JH		 1708#define Size_t_MAX (~(Size_t)0)
1709#define SSize_t_MAX (SSize_t)(~(Size_t)0 >> 1)
9a543cee 1710
cae7ae48 1711#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1712#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1713
28e5dec8 1714#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1715#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1716#endif
1717
d460ef45 1718/*
26bb67e2
JH		 1719 * The macros INT2PTR and NUM2PTR are (despite their names)
1720 * bi-directional: they will convert int/float to or from pointers.
1721 * However the conversion to int/float are named explicitly:
1722 * PTR2IV, PTR2UV, PTR2NV.
1723 *
1724 * For int conversions we do not need two casts if pointers are
1725 * the same size as IV and UV. Otherwise we need an explicit
1726 * cast (PTRV) to avoid compiler warnings.
1727 */
56431972
RB		 1728#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1729# define PTRV UV
1730# define INT2PTR(any,d) (any)(d)
1731#else
d460ef45 1732# if PTRSIZE == LONGSIZE
56431972 1733# define PTRV unsigned long
e91e3b10 1734# define PTR2ul(p) (unsigned long)(p)
42718184 1735# else
56431972 1736# define PTRV unsigned
42718184 1737# endif
e91e3b10
RB		 1738#endif
1739
1740#ifndef INT2PTR
56431972 1741# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1742#endif
e91e3b10
RB		 1743
1744#ifndef PTR2ul
1745# define PTR2ul(p) INT2PTR(unsigned long,p)
1746#endif
1747
56431972
RB		 1748#define NUM2PTR(any,d) (any)(PTRV)(d)
1749#define PTR2IV(p) INT2PTR(IV,p)
1750#define PTR2UV(p) INT2PTR(UV,p)
1751#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1752#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1753
8141890a
JH		 1754/* According to strict ANSI C89 one cannot freely cast between
1755 * data pointers and function (code) pointers. There are at least
1756 * two ways around this. One (used below) is to do two casts,
1757 * first the other pointer to an (unsigned) integer, and then
1758 * the integer to the other pointer. The other way would be
1759 * to use unions to "overlay" the pointers. For an example of
1760 * the latter technique, see union dirpu in struct xpvio in sv.h.
1761 * The only feasible use is probably temporarily storing
1762 * function pointers in a data pointer (such as a void pointer). */
1763
e91e3b10
RB		 1764#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1765#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1766
65202027 1767#ifdef USE_LONG_DOUBLE
f3654d06
JH		 1768# if LONG_DOUBLESIZE == DOUBLESIZE
1769# define LONG_DOUBLE_EQUALS_DOUBLE
1770# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1771# endif
1772#endif
1773
2d4389e4
JH		 1774#ifdef OVR_DBL_DIG
1775/* Use an overridden DBL_DIG */
1776# ifdef DBL_DIG
1777# undef DBL_DIG
1778# endif
1779# define DBL_DIG OVR_DBL_DIG
1780#else
1781/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1782 default value for printing floating point numbers in Gconvert
1783 (see config.h). (It also has other uses, such as figuring out if
1784 a given precision of printing can be done with a double instead of
1785 a long double - Allen).
2d4389e4
JH		 1786*/
1787#ifdef I_LIMITS
1788#include <limits.h>
1789#endif
1790#ifdef I_FLOAT
1791#include <float.h>
1792#endif
1793#ifndef HAS_DBL_DIG
1794#define DBL_DIG 15 /* A guess that works lots of places */
1795#endif
1796#endif
1797
1798#ifdef OVR_LDBL_DIG
1799/* Use an overridden LDBL_DIG */
1800# ifdef LDBL_DIG
1801# undef LDBL_DIG
1802# endif
1803# define LDBL_DIG OVR_LDBL_DIG
1804#else
1805/* The following is all to get LDBL_DIG, in order to pick a nice
1806 default value for printing floating point numbers in Gconvert.
1807 (see config.h)
1808*/
68d4903c
JH		 1809# ifdef I_LIMITS
1810# include <limits.h>
1811# endif
1812# ifdef I_FLOAT
1813# include <float.h>
1814# endif
1815# ifndef HAS_LDBL_DIG
1816# if LONG_DOUBLESIZE == 10
1817# define LDBL_DIG 18 /* assume IEEE */
1818# else
1819# if LONG_DOUBLESIZE == 12
1820# define LDBL_DIG 18 /* gcc? */
1821# else
1822# if LONG_DOUBLESIZE == 16
1823# define LDBL_DIG 33 /* assume IEEE */
1824# else
1825# if LONG_DOUBLESIZE == DOUBLESIZE
1826# define LDBL_DIG DBL_DIG /* bummer */
1827# endif
1828# endif
1829# endif
1830# endif
1831# endif
2d4389e4
JH		 1832#endif
1833
20f6aaab
AS		 1834/*
1835 * This is for making sure we have a good DBL_MAX value, if possible,
1836 * either for usage as NV_MAX or for usage in figuring out if we can
1837 * fit a given long double into a double, if bug-fixing makes it
1838 * necessary to do so. - Allen <allens@cpan.org>
1839 */
1840
205f51d8
AS		 1841#ifdef I_LIMITS
1842# include <limits.h>
20f6aaab
AS		 1843#endif
1844
205f51d8
AS		 1845#ifdef I_VALUES
1846# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1847# include <values.h>
1848# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1849# define DBL_MAX MAXDOUBLE
1850# endif
1851# if defined(MINDOUBLE) && !defined(DBL_MIN)
1852# define DBL_MIN MINDOUBLE
1853# endif
1854# endif
1855#endif /* defined(I_VALUES) */
1856
a22e52b9 1857typedef NVTYPE NV;
8175356b 1858
792d8dab
JH		 1859#ifdef I_IEEEFP
1860# include <ieeefp.h>
1861#endif
923fc586 1862
c32c3de1
JH		 1863#ifdef USING_MSVC6
1864/* VC6 has broken NaN semantics: NaN == NaN returns true instead of false,
1865 * and for example NaN < IV_MIN. */
bcd8bfa9
JH		 1866# define NAN_COMPARE_BROKEN
1867#endif
1868#if defined(__DECC) && defined(__osf__)
1869/* Also Tru64 cc has broken NaN comparisons. */
1870# define NAN_COMPARE_BROKEN
c32c3de1
JH		 1871#endif
1872
65202027 1873#ifdef USE_LONG_DOUBLE
923fc586
JH		 1874# ifdef I_SUNMATH
1875# include <sunmath.h>
1876# endif
84e6cb05 1877# if defined(LDBL_DIG)
05b4a618
JH		 1878# define NV_DIG LDBL_DIG
1879# ifdef LDBL_MANT_DIG
1880# define NV_MANT_DIG LDBL_MANT_DIG
1881# endif
1882# ifdef LDBL_MIN
1883# define NV_MIN LDBL_MIN
1884# endif
1885# ifdef LDBL_MAX
1886# define NV_MAX LDBL_MAX
1887# endif
1888# ifdef LDBL_MIN_EXP
1889# define NV_MIN_EXP LDBL_MIN_EXP
1890# endif
1891# ifdef LDBL_MAX_EXP
1892# define NV_MAX_EXP LDBL_MAX_EXP
1893# endif
1894# ifdef LDBL_MIN_10_EXP
1895# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1896# endif
1897# ifdef LDBL_MAX_10_EXP
1898# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1899# endif
1900# ifdef LDBL_EPSILON
1901# define NV_EPSILON LDBL_EPSILON
1902# endif
1903# ifdef LDBL_MAX
1904# define NV_MAX LDBL_MAX
20f6aaab 1905/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62 1906# else
05b4a618
JH		 1907# ifdef HUGE_VALL
1908# define NV_MAX HUGE_VALL
f4a14a62
JH		 1909# endif
1910# endif
1911# endif
84e6cb05 1912# if defined(HAS_SQRTL)
8a00eddc
JH		 1913# define Perl_acos acosl
1914# define Perl_asin asinl
1915# define Perl_atan atanl
940e3d56
JH		 1916# define Perl_atan2 atan2l
1917# define Perl_ceil ceill
1918# define Perl_cos cosl
8a00eddc 1919# define Perl_cosh coshl
940e3d56 1920# define Perl_exp expl
55da5e5b 1921/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH		 1922# define Perl_floor floorl
1923# define Perl_fmod fmodl
1924# define Perl_log logl
8a00eddc 1925# define Perl_log10 log10l
940e3d56
JH		 1926# define Perl_pow powl
1927# define Perl_sin sinl
8a00eddc 1928# define Perl_sinh sinhl
940e3d56 1929# define Perl_sqrt sqrtl
8a00eddc
JH		 1930# define Perl_tan tanl
1931# define Perl_tanh tanhl
68d4903c 1932# endif
a3540c92 1933/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
05b4a618
JH		 1934# ifndef Perl_modf
1935# ifdef HAS_MODFL
1936# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1937/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1938 prototype in <math.h> */
05b4a618 1939# ifndef HAS_MODFL_PROTO
a221a8a5 1940EXTERN_C long double modfl(long double, long double *);
05b4a618
JH		 1941# endif
1942# elif (defined(HAS_TRUNCL) || defined(HAS_AINTL)) && defined(HAS_COPYSIGNL)
55954f19 1943 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e 1944# define Perl_modf(x,y) Perl_my_modfl(x,y)
05b4a618 1945# endif
a3540c92 1946# endif
05b4a618
JH		 1947# ifndef Perl_frexp
1948# ifdef HAS_FREXPL
1949# define Perl_frexp(x,y) frexpl(x,y)
1950# else
1951# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1952extern long double Perl_my_frexpl(long double x, int *e);
1953# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1954# endif
03476e8e 1955# endif
a3540c92 1956# endif
05b4a618
JH		 1957# ifndef Perl_ldexp
1958# ifdef HAS_LDEXPL
1959# define Perl_ldexp(x, y) ldexpl(x,y)
1960# else
1961# if defined(HAS_SCALBNL) && FLT_RADIX == 2
1962# define Perl_ldexp(x,y) scalbnl(x,y)
1963# endif
98181445
JH		 1964# endif
1965# endif
38dbb4c5 1966# ifndef Perl_isnan
e4c957f4 1967# if defined(HAS_ISNANL) && !(defined(isnan) && defined(HAS_C99))
758a5d79
JH		 1968# define Perl_isnan(x) isnanl(x)
1969# endif
1970# endif
1971# ifndef Perl_isinf
e4c957f4 1972# if defined(HAS_ISINFL) && !(defined(isinf) && defined(HAS_C99))
87190886 1973# define Perl_isinf(x) isinfl(x)
bcd8bfa9 1974# elif defined(LDBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 1975# define Perl_isinf(x) ((x) > LDBL_MAX || (x) < -LDBL_MAX)
a3540c92
JH		 1976# endif
1977# endif
e38461cc
JH		 1978# ifndef Perl_isfinite
1979# define Perl_isfinite(x) Perl_isfinitel(x)
1980# endif
84e6cb05
JH		 1981#elif defined(USE_QUADMATH) && defined(I_QUADMATH)
1982# include <quadmath.h>
1983# define NV_DIG FLT128_DIG
1984# define NV_MANT_DIG FLT128_MANT_DIG
1985# define NV_MIN FLT128_MIN
1986# define NV_MAX FLT128_MAX
1987# define NV_MIN_EXP FLT128_MIN_EXP
1988# define NV_MAX_EXP FLT128_MAX_EXP
1989# define NV_EPSILON FLT128_EPSILON
1990# define NV_MIN_10_EXP FLT128_MIN_10_EXP
1991# define NV_MAX_10_EXP FLT128_MAX_10_EXP
1992# define NV_INF HUGE_VALQ
1993# define NV_NAN nanq("0")
1994# define Perl_acos acosq
1995# define Perl_asin asinq
1996# define Perl_atan atanq
1997# define Perl_atan2 atan2q
1998# define Perl_ceil ceilq
1999# define Perl_cos cosq
2000# define Perl_cosh coshq
2001# define Perl_exp expq
2002/* no Perl_fabs, but there's PERL_ABS */
2003# define Perl_floor floorq
2004# define Perl_fmod fmodq
2005# define Perl_log logq
2006# define Perl_log10 log10q
2007# define Perl_pow powq
2008# define Perl_sin sinq
2009# define Perl_sinh sinhq
2010# define Perl_sqrt sqrtq
2011# define Perl_tan tanq
2012# define Perl_tanh tanhq
2013# define Perl_modf(x,y) modfq(x,y)
2014# define Perl_frexp(x,y) frexpq(x,y)
2015# define Perl_ldexp(x, y) ldexpq(x,y)
2016# define Perl_isinf(x) isinfq(x)
2017# define Perl_isnan(x) isnanq(x)
2018# define Perl_isfinite(x) !(isnanq(x) || isinfq(x))
65202027 2019#else
2d4389e4 2020# define NV_DIG DBL_DIG
d6c14000
JH		 2021# ifdef DBL_MANT_DIG
2022# define NV_MANT_DIG DBL_MANT_DIG
2023# endif
06fc1729
JH		 2024# ifdef DBL_MIN
2025# define NV_MIN DBL_MIN
2026# endif
2027# ifdef DBL_MAX
2028# define NV_MAX DBL_MAX
2029# endif
40bca5ae
JH		 2030# ifdef DBL_MIN_EXP
2031# define NV_MIN_EXP DBL_MIN_EXP
2032# endif
2033# ifdef DBL_MAX_EXP
2034# define NV_MAX_EXP DBL_MAX_EXP
2035# endif
06fc1729
JH		 2036# ifdef DBL_MIN_10_EXP
2037# define NV_MIN_10_EXP DBL_MIN_10_EXP
2038# endif
2039# ifdef DBL_MAX_10_EXP
2040# define NV_MAX_10_EXP DBL_MAX_10_EXP
2041# endif
2042# ifdef DBL_EPSILON
2043# define NV_EPSILON DBL_EPSILON
2044# endif
205f51d8 2045# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 2046# define NV_MAX DBL_MAX
2047# define NV_MIN DBL_MIN
2048# else
2049# ifdef HUGE_VAL
2050# define NV_MAX HUGE_VAL
2051# endif
2052# endif
940e3d56 2053
55da5e5b 2054/* These math interfaces are C89. */
8a00eddc
JH		 2055# define Perl_acos acos
2056# define Perl_asin asin
2057# define Perl_atan atan
940e3d56
JH		 2058# define Perl_atan2 atan2
2059# define Perl_ceil ceil
2060# define Perl_cos cos
8a00eddc 2061# define Perl_cosh cosh
940e3d56 2062# define Perl_exp exp
55da5e5b 2063/* no Perl_fabs, but there's PERL_ABS */
940e3d56
JH		 2064# define Perl_floor floor
2065# define Perl_fmod fmod
2066# define Perl_log log
8a00eddc 2067# define Perl_log10 log10
940e3d56
JH		 2068# define Perl_pow pow
2069# define Perl_sin sin
8a00eddc 2070# define Perl_sinh sinh
940e3d56 2071# define Perl_sqrt sqrt
8a00eddc
JH		 2072# define Perl_tan tan
2073# define Perl_tanh tanh
940e3d56
JH		 2074
2075# define Perl_modf(x,y) modf(x,y)
2076# define Perl_frexp(x,y) frexp(x,y)
2077# define Perl_ldexp(x,y) ldexp(x,y)
2078
1a322af2
JH		 2079# ifndef Perl_isnan
2080# ifdef HAS_ISNAN
2081# define Perl_isnan(x) isnan(x)
2082# endif
2083# endif
2084# ifndef Perl_isinf
2085# if defined(HAS_ISINF)
2086# define Perl_isinf(x) isinf(x)
bcd8bfa9 2087# elif defined(DBL_MAX) && !defined(NAN_COMPARE_BROKEN)
efcbf317 2088# define Perl_isinf(x) ((x) > DBL_MAX || (x) < -DBL_MAX)
1a322af2
JH		 2089# endif
2090# endif
2091# ifndef Perl_isfinite
2092# ifdef HAS_ISFINITE
2093# define Perl_isfinite(x) isfinite(x)
2094# elif defined(HAS_FINITE)
2095# define Perl_isfinite(x) finite(x)
2096# endif
2097# endif
758a5d79
JH		 2098#endif
2099
30404d48
JH		 2100/* fpclassify(): C99. It is supposed to be a macro that switches on
2101* the sizeof() of its argument, so there's no need for e.g. fpclassifyl().*/
2102#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
2103# include <math.h>
25c46df8
JH		 2104# if defined(FP_INFINITE) && defined(FP_NAN)
2105# define Perl_fp_class(x) fpclassify(x)
2106# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2107# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2108# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2109# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2110# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2111# elif defined(FP_PLUS_INF) && defined(FP_QNAN)
2112/* Some versions of HP-UX (10.20) have (only) fpclassify() but which is
2113 * actually not the C99 fpclassify, with its own set of return defines. */
2114# define Perl_fp_class(x) fpclassify(x)
2115# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2116# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
82947af8 2117# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
25c46df8
JH		 2118# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2119# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1ae51000 2120# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
25c46df8
JH		 2121# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2122# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2123# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2124# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2125# else
2126# undef Perl_fp_class /* Unknown set of defines */
2127# endif
30404d48
JH		 2128#endif
2129
25c46df8
JH		 2130/* fp_classify(): Legacy: VMS, maybe Unicos? The values, however,
2131 * are identical to the C99 fpclassify(). */
2132#if !defined(Perl_fp_class) && defined(HAS_FP_CLASSIFY)
2133# include <math.h>
558f3e66
CB		 2134# ifdef __VMS
2135 /* FP_INFINITE and others are here rather than in math.h as C99 stipulates */
2136# include <fp.h>
56610b8f
CB		 2137 /* oh, and the isnormal macro has a typo in it! */
2138# undef isnormal
2139# define isnormal(x) Perl_fp_class_norm(x)
558f3e66 2140# endif
25c46df8
JH		 2141# if defined(FP_INFINITE) && defined(FP_NAN)
2142# define Perl_fp_class(x) fp_classify(x)
2143# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_INFINITE)
2144# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_NAN)
2145# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_NORMAL)
2146# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_SUBNORMAL)
2147# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_ZERO)
2148# else
2149# undef Perl_fp_class /* Unknown set of defines */
2150# endif
f279e099 2151#endif
205f51d8 2152
30404d48
JH		 2153/* Feel free to check with me for the SGI manpages, SGI testing,
2154 * etcetera, if you want to try getting this to work with IRIX.
2155 *
2156 * - Allen <allens@cpan.org> */
2157
2158/* fpclass(): SysV, at least Solaris and some versions of IRIX. */
758a5d79 2159#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
25c46df8
JH		 2160/* Solaris and IRIX have fpclass/fpclassl, but they are using
2161 * an enum typedef, not cpp symbols, and Configure doesn't detect that.
2162 * Define some symbols also as cpp symbols so we can detect them. */
2163# if defined(__sun) || defined(__irix__) /* XXX Configure test instead */
2164# define FP_PINF FP_PINF
2165# define FP_QNAN FP_QNAN
2166# endif
f279e099 2167# include <math.h>
758a5d79
JH		 2168# ifdef I_IEEFP
2169# include <ieeefp.h>
2170# endif
2171# ifdef I_FP
2172# include <fp.h>
2173# endif
2174# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
f279e099 2175# define Perl_fp_class(x) fpclassl(x)
758a5d79 2176# else
f279e099
JH		 2177# define Perl_fp_class(x) fpclass(x)
2178# endif
25c46df8 2179# if defined(FP_CLASS_PINF) && defined(FP_CLASS_SNAN)
f279e099
JH		 2180# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
2181# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
2182# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
2183# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
2184# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
2185# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
2186# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
2187# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
2188# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
2189# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
25c46df8 2190# elif defined(FP_PINF) && defined(FP_QNAN)
f279e099
JH		 2191# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2192# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2193# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NINF)
2194# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PINF)
2195# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NNORM)
2196# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PNORM)
2197# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NDENORM)
2198# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PDENORM)
2199# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NZERO)
2200# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PZERO)
25c46df8
JH		 2201# else
2202# undef Perl_fp_class /* Unknown set of defines */
758a5d79 2203# endif
758a5d79
JH		 2204#endif
2205
30404d48
JH		 2206/* fp_class(): Legacy: at least Tru64, some versions of IRIX. */
2207#if !defined(Perl_fp_class) && (defined(HAS_FP_CLASS)||defined(HAS_FP_CLASSL))
758a5d79
JH		 2208# include <math.h>
2209# if !defined(FP_SNAN) && defined(I_FP_CLASS)
2210# include <fp_class.h>
2211# endif
25c46df8
JH		 2212# if defined(FP_POS_INF) && defined(FP_QNAN)
2213# ifdef __irix__ /* XXX Configure test instead */
2214# ifdef USE_LONG_DOUBLE
2215# define Perl_fp_class(x) fp_class_l(x)
2216# else
2217# define Perl_fp_class(x) fp_class_d(x)
2218# endif
f279e099 2219# else
25c46df8
JH		 2220# if defined(USE_LONG_DOUBLE) && defined(HAS_FP_CLASSL)
2221# define Perl_fp_class(x) fp_classl(x)
2222# else
2223# define Perl_fp_class(x) fp_class(x)
2224# endif
f279e099 2225# endif
25c46df8
JH		 2226# if defined(FP_POS_INF) && defined(FP_QNAN)
2227# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_SNAN)
2228# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_QNAN)
2229# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_NEG_INF)
2230# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_POS_INF)
2231# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_NEG_NORM)
2232# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_POS_NORM)
2233# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_NEG_DENORM)
2234# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_POS_DENORM)
2235# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_NEG_ZERO)
2236# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_POS_ZERO)
30404d48 2237# else
25c46df8 2238# undef Perl_fp_class /* Unknown set of defines */
30404d48 2239# endif
f279e099 2240# endif
30404d48
JH		 2241#endif
2242
052758ae 2243/* class(), _class(): Legacy: AIX. */
758a5d79
JH		 2244#if !defined(Perl_fp_class) && defined(HAS_CLASS)
2245# include <math.h>
25c46df8
JH		 2246# if defined(FP_PLUS_NORM) && defined(FP_PLUS_INF)
2247# ifndef _cplusplus
2248# define Perl_fp_class(x) class(x)
2249# else
2250# define Perl_fp_class(x) _class(x)
2251# endif
2252# if defined(FP_PLUS_INF) && defined(FP_NANQ)
2253# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
2254# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
2255# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
2256# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
2257# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
2258# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
2259# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
2260# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
2261# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
2262# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
2263# else
2264# undef Perl_fp_class /* Unknown set of defines */
2265# endif
758a5d79 2266# endif
30404d48
JH		 2267#endif
2268
2269/* Win32: _fpclass(), _isnan(), _finite(). */
796ea9ea
JH		 2270#ifdef WIN32
2271# ifndef Perl_isnan
2272# define Perl_isnan(x) _isnan(x)
2273# endif
2274# ifndef Perl_isfinite
2275# define Perl_isfinite(x) _finite(x)
2276# endif
2277# ifndef Perl_fp_class_snan
25c46df8
JH		 2278/* No simple way to #define Perl_fp_class because _fpclass()
2279 * returns a set of bits. */
796ea9ea
JH		 2280# define Perl_fp_class_snan(x) (_fpclass(x) & _FPCLASS_SNAN)
2281# define Perl_fp_class_qnan(x) (_fpclass(x) & _FPCLASS_QNAN)
82947af8 2282# define Perl_fp_class_nan(x) (_fpclass(x) & (_FPCLASS_SNAN|_FPCLASS_QNAN))
796ea9ea
JH		 2283# define Perl_fp_class_ninf(x) (_fpclass(x) & _FPCLASS_NINF))
2284# define Perl_fp_class_pinf(x) (_fpclass(x) & _FPCLASS_PINF))
2285# define Perl_fp_class_inf(x) (_fpclass(x) & (_FPCLASS_NINF|_FPCLASS_PINF))
2286# define Perl_fp_class_nnorm(x) (_fpclass(x) & _FPCLASS_NN)
2287# define Perl_fp_class_pnorm(x) (_fpclass(x) & _FPCLASS_PN)
2288# define Perl_fp_class_norm(x) (_fpclass(x) & (_FPCLASS_NN|_FPCLASS_PN))
2289# define Perl_fp_class_ndenorm(x) (_fpclass(x) & _FPCLASS_ND)
2290# define Perl_fp_class_pdenorm(x) (_fpclass(x) & _FPCLASS_PD)
2291# define Perl_fp_class_denorm(x) (_fpclass(x) & (_FPCLASS_ND|_FPCLASS_PD))
2292# define Perl_fp_class_nzero(x) (_fpclass(x) & _FPCLASS_NZ)
2293# define Perl_fp_class_pzero(x) (_fpclass(x) & _FPCLASS_PZ)
2294# define Perl_fp_class_zero(x) (_fpclass(x) & (_FPCLASS_NZ|_FPCLASS_PZ))
2295# endif
f279e099
JH		 2296#endif
2297
2298#if !defined(Perl_fp_class_inf) && \
2299 defined(Perl_fp_class_pinf) && defined(Perl_fp_class_ninf)
2300# define Perl_fp_class_inf(x) \
2301 (Perl_fp_class_pinf(x) || Perl_fp_class_ninf(x))
2302#endif
2303
2304#if !defined(Perl_fp_class_nan) && \
2305 defined(Perl_fp_class_snan) && defined(Perl_fp_class_qnan)
2306# define Perl_fp_class_nan(x) \
2307 (Perl_fp_class_snan(x) || Perl_fp_class_qnan(x))
2308#endif
2309
2310#if !defined(Perl_fp_class_zero) && \
2311 defined(Perl_fp_class_pzero) && defined(Perl_fp_class_nzero)
2312# define Perl_fp_class_zero(x) \
2313 (Perl_fp_class_pzero(x) || Perl_fp_class_nzero(x))
2314#endif
2315
2316#if !defined(Perl_fp_class_norm) && \
2317 defined(Perl_fp_class_pnorm) && defined(Perl_fp_class_nnorm)
2318# define Perl_fp_class_norm(x) \
2319 (Perl_fp_class_pnorm(x) || Perl_fp_class_nnorm(x))
2320#endif
2321
2322#if !defined(Perl_fp_class_denorm) && \
2323 defined(Perl_fp_class_pdenorm) && defined(Perl_fp_class_ndenorm)
2324# define Perl_fp_class_denorm(x) \
2325 (Perl_fp_class_pdenorm(x) || Perl_fp_class_ndenorm(x))
796ea9ea 2326#endif
758a5d79 2327
1a322af2
JH		 2328#ifdef UNDER_CE
2329int isnan(double d);
2330#endif
2331
758a5d79 2332#ifndef Perl_isnan
1a322af2
JH		 2333# ifdef Perl_fp_class_nan
2334# define Perl_isnan(x) Perl_fp_class_nan(x)
758a5d79 2335# else
1a322af2
JH		 2336# ifdef HAS_UNORDERED
2337# define Perl_isnan(x) unordered((x), 0.0)
758a5d79 2338# else
1a322af2 2339# define Perl_isnan(x) ((x)!=(x))
758a5d79
JH		 2340# endif
2341# endif
2342#endif
2343
1a322af2
JH		 2344#ifndef Perl_isinf
2345# ifdef Perl_fp_class_inf
2346# define Perl_isinf(x) Perl_fp_class_inf(x)
2347# endif
ca6c63e1
JH		 2348#endif
2349
758a5d79 2350#ifndef Perl_isfinite
25c46df8 2351# if defined(HAS_ISFINITE) && !defined(isfinite)
c496ca58 2352# define Perl_isfinite(x) isfinite((double)(x))
4efd38a4 2353# elif defined(HAS_FINITE)
c496ca58 2354# define Perl_isfinite(x) finite((double)(x))
4efd38a4
JH		 2355# elif defined(Perl_fp_class_finite)
2356# define Perl_isfinite(x) Perl_fp_class_finite(x)
758a5d79 2357# else
c496ca58
JH		 2358/* For the infinities the multiplication returns nan,
2359 * for the nan the multiplication also returns nan,
2360 * for everything else (that is, finite) zero should be returned. */
4efd38a4 2361# define Perl_isfinite(x) (((x) * 0) == 0)
a3540c92 2362# endif
65202027
DS		 2363#endif
2364
25c46df8
JH		 2365#ifndef Perl_isinf
2366# if defined(Perl_isfinite) && defined(Perl_isnan)
2367# define Perl_isinf(x) !(Perl_isfinite(x)||Perl_isnan(x))
2368# endif
2369#endif
2370
d3685250
JH		 2371/* We need Perl_isfinitel (ends with ell) (if available) even when
2372 * not USE_LONG_DOUBLE because the printf code (sv_catpvfn_flags)
2373 * needs that. */
2374#if defined(HAS_LONG_DOUBLE) && !defined(Perl_isfinitel)
2375/* If isfinite() is a macro and looks like we have C99,
2376 * we assume it's the type-aware C99 isfinite(). */
c06e9e3e 2377# if defined(HAS_ISFINITE) && defined(isfinite) && defined(HAS_C99)
d3685250
JH		 2378# define Perl_isfinitel(x) isfinite(x)
2379# elif defined(HAS_ISFINITEL)
2380# define Perl_isfinitel(x) isfinitel(x)
2381# elif defined(HAS_FINITEL)
2382# define Perl_isfinitel(x) finitel(x)
2383# elif defined(HAS_INFL) && defined(HAS_NANL)
2384# define Perl_isfinitel(x) !(isinfl(x)||isnanl(x))
16334e6e 2385# else
99bf9e32 2386# define Perl_isfinitel(x) ((x) * 0 == 0) /* See Perl_isfinite. */
d3685250
JH		 2387# endif
2388#endif
2389
a36244b7
JH		 2390/* The default is to use Perl's own atof() implementation (in numeric.c).
2391 * Usually that is the one to use but for some platforms (e.g. UNICOS)
2392 * it is however best to use the native implementation of atof.
2393 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
2394 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 2395 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
2396 * you may need to be using a different function than atof! */
a36244b7
JH		 2397
2398#ifndef USE_PERL_ATOF
2399# ifndef _UNICOS
2400# define USE_PERL_ATOF
2401# endif
2402#else
2403# if USE_PERL_ATOF == 0
2404# undef USE_PERL_ATOF
2405# endif
2406#endif
2407
2408#ifdef USE_PERL_ATOF
2409# define Perl_atof(s) Perl_my_atof(s)
2410# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
2411#else
2412# define Perl_atof(s) (NV)atof(s)
2413# define Perl_atof2(s, n) ((n) = atof(s))
2414#endif
cf2093f6 2415
d460ef45 2416/* Previously these definitions used hardcoded figures.
760ac839
LW		 2417 * It is hoped these formula are more portable, although
2418 * no data one way or another is presently known to me.
2419 * The "PERL_" names are used because these calculated constants
2420 * do not meet the ANSI requirements for LONG_MAX, etc., which
2421 * need to be constants acceptable to #if - kja
2422 * define PERL_LONG_MAX 2147483647L
2423 * define PERL_LONG_MIN (-LONG_MAX - 1)
2424 * define PERL ULONG_MAX 4294967295L
2425 */
2426
2427#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
2428# include <limits.h>
760ac839 2429#endif
205f51d8 2430/* Included values.h above if necessary; still including limits.h down here,
486ec47a 2431 * despite doing above, because math.h might have overridden... XXX - Allen */
760ac839 2432
99abf803 2433/*
2434 * Try to figure out max and min values for the integral types. THE CORRECT
2435 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
2436 * following hacks are used if neither limits.h or values.h provide them:
2437 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
2438 * for types < int: (unsigned TYPE)~(unsigned)0
2439 * The argument to ~ must be unsigned so that later signed->unsigned
2440 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
2441 * and it must not be smaller than int because ~ does integral promotion.
2442 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
2443 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
2444 * The latter is a hack which happens to work on some machines but
2445 * does *not* catch any random system, or things like integer types
2446 * with NaN if that is possible.
2447 *
2448 * All of the types are explicitly cast to prevent accidental loss of
2449 * numeric range, and in the hope that they will be less likely to confuse
2450 * over-eager optimizers.
2451 *
2452 */
27d4fb96 2453
99abf803 2454#define PERL_UCHAR_MIN ((unsigned char)0)
2455
2456#ifdef UCHAR_MAX
2457# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2458#else
99abf803 2459# ifdef MAXUCHAR
2460# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2461# else
99abf803 2462# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2463# endif
2464#endif
d460ef45 2465
99abf803 2466/*
2467 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2468 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2469 * depending on local options. Until Configure detects this (or at least
2470 * detects whether the "signed" keyword is available) the CHAR ranges
2471 * will not be included. UCHAR functions normally.
2472 * - kja
2473 */
27d4fb96 2474
99abf803 2475#define PERL_USHORT_MIN ((unsigned short)0)
2476
2477#ifdef USHORT_MAX
2478# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2479#else
99abf803 2480# ifdef MAXUSHORT
2481# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2482# else
ef2f54b0
CB		 2483# ifdef USHRT_MAX
2484# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2485# else
2486# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2487# endif
27d4fb96 2488# endif
2489#endif
2490
27d4fb96 2491#ifdef SHORT_MAX
99abf803 2492# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2493#else
2494# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2495# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2496# else
ef2f54b0
CB		 2497# ifdef SHRT_MAX
2498# define PERL_SHORT_MAX ((short)SHRT_MAX)
2499# else
2500# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2501# endif
27d4fb96 2502# endif
2503#endif
2504
2505#ifdef SHORT_MIN
99abf803 2506# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2507#else
2508# ifdef MINSHORT
99abf803 2509# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2510# else
ef2f54b0
CB		 2511# ifdef SHRT_MIN
2512# define PERL_SHORT_MIN ((short)SHRT_MIN)
2513# else
2514# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2515# endif
27d4fb96 2516# endif
2517#endif
2518
99abf803 2519#ifdef UINT_MAX
2520# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2521#else
99abf803 2522# ifdef MAXUINT
2523# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2524# else
99abf803 2525# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2526# endif
2527#endif
2528
99abf803 2529#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2530
2531#ifdef INT_MAX
99abf803 2532# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2533#else
2534# ifdef MAXINT /* Often used in <values.h> */
99abf803 2535# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2536# else
99abf803 2537# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2538# endif
2539#endif
2540
2541#ifdef INT_MIN
99abf803 2542# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2543#else
2544# ifdef MININT
99abf803 2545# define PERL_INT_MIN ((int)MININT)
27d4fb96 2546# else
2547# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2548# endif
2549#endif
2550
99abf803 2551#ifdef ULONG_MAX
2552# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2553#else
99abf803 2554# ifdef MAXULONG
2555# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2556# else
99abf803 2557# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2558# endif
2559#endif
2560
99abf803 2561#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2562
760ac839 2563#ifdef LONG_MAX
99abf803 2564# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2565#else
2566# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2567# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2568# else
99abf803 2569# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2570# endif
2571#endif
2572
2573#ifdef LONG_MIN
99abf803 2574# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2575#else
2576# ifdef MINLONG
99abf803 2577# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2578# else
27d4fb96 2579# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2580# endif
2581#endif
2582
d7d93a81 2583#ifdef UV_IS_QUAD
99abf803 2584
99abf803 2585# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2586# define PERL_UQUAD_MIN ((UV)0)
99abf803 2587# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2588# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2589
79072805
LW		 2590#endif
2591
ee0007ab 2592typedef MEM_SIZE STRLEN;
450a55e4 2593
79072805
LW		 2594typedef struct op OP;
2595typedef struct cop COP;
2596typedef struct unop UNOP;
2f7c6295 2597typedef struct unop_aux UNOP_AUX;
79072805
LW		 2598typedef struct binop BINOP;
2599typedef struct listop LISTOP;
2600typedef struct logop LOGOP;
79072805
LW		 2601typedef struct pmop PMOP;
2602typedef struct svop SVOP;
7934575e 2603typedef struct padop PADOP;
79072805 2604typedef struct pvop PVOP;
79072805 2605typedef struct loop LOOP;
b46e009d 2606typedef struct methop METHOP;
79072805 2607
7aef8e5b 2608#ifdef PERL_CORE
8be227ab
FC		 2609typedef struct opslab OPSLAB;
2610typedef struct opslot OPSLOT;
2611#endif
2612
52db365a 2613typedef struct block_hooks BHK;
1830b3d9 2614typedef struct custom_op XOP;
52db365a 2615
cd1541b2
NC		 2616typedef struct interpreter PerlInterpreter;
2617
d2b3f365 2618/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2619#if defined(__sgi)
d2b3f365 2620# define STRUCT_SV perl_sv
b8d3c5db
JH		 2621#else
2622# define STRUCT_SV sv
2623#endif
2624typedef struct STRUCT_SV SV;
79072805
LW		 2625typedef struct av AV;
2626typedef struct hv HV;
2627typedef struct cv CV;
d2f13c59 2628typedef struct p5rx REGEXP;
79072805 2629typedef struct gp GP;
0c30d9ec 2630typedef struct gv GV;
8990e307 2631typedef struct io IO;
c09156bb 2632typedef struct context PERL_CONTEXT;
79072805
LW		 2633typedef struct block BLOCK;
2634
2635typedef struct magic MAGIC;
2636typedef struct xpv XPV;
2637typedef struct xpviv XPVIV;
ff68c719 2638typedef struct xpvuv XPVUV;
79072805
LW		 2639typedef struct xpvnv XPVNV;
2640typedef struct xpvmg XPVMG;
2641typedef struct xpvlv XPVLV;
d361b004 2642typedef struct xpvinvlist XINVLIST;
79072805
LW		 2643typedef struct xpvav XPVAV;
2644typedef struct xpvhv XPVHV;
2645typedef struct xpvgv XPVGV;
2646typedef struct xpvcv XPVCV;
2647typedef struct xpvbm XPVBM;
2648typedef struct xpvfm XPVFM;
8990e307 2649typedef struct xpvio XPVIO;
79072805
LW		 2650typedef struct mgvtbl MGVTBL;
2651typedef union any ANY;
5f7fde29
GS		 2652typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2653typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2654typedef struct clone_params CLONE_PARAMS;
2655
0f94cb1f 2656/* a pad is currently just an AV; but that might change,
7261499d
FC		 2657 * so hide the type. */
2658typedef struct padlist PADLIST;
67634234 2659typedef AV PAD;
9b7476d7 2660typedef struct padnamelist PADNAMELIST;
0f94cb1f 2661typedef struct padname PADNAME;
67634234 2662
13b0f67d
DM		 2663/* enable PERL_NEW_COPY_ON_WRITE by default */
2664#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2665# define PERL_NEW_COPY_ON_WRITE
2666#endif
07d01d6e 2667
db2c6cb3
FC		 2668#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2669# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2670# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2671# else
2672# define PERL_ANY_COW
2673# endif
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"
a0d0e21e 2683
6b8eaf93 2684#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2685# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2686# define USE_64_BIT_RAWIO /* implicit */
2687# endif
4564133c
JH		 2688#endif
2689
6b8eaf93
JH		 2690/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2691 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2692 * however, because operating systems like to do that themself. */
2693#ifndef FSEEKSIZE
2694# ifdef HAS_FSEEKO
2695# define FSEEKSIZE LSEEKSIZE
2696# else
2697# define FSEEKSIZE LONGSIZE
d460ef45 2698# endif
6b8eaf93
JH		 2699#endif
2700
2701#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2702# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2703# define USE_64_BIT_STDIO /* implicit */
2704# endif
2705#endif
4564133c 2706
09458382 2707#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2708# ifdef HAS_OFF64_T
2709# undef Off_t
2710# define Off_t off64_t
2711# undef LSEEKSIZE
2712# define LSEEKSIZE 8
5ff3f7a4 2713# endif
d9b3e12d
JH		 2714/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2715 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2716 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2717# if defined(USE_OPEN64)
2718# define open open64
5ff3f7a4 2719# endif
d9b3e12d
JH		 2720# if defined(USE_LSEEK64)
2721# define lseek lseek64
6b8eaf93
JH		 2722# else
2723# if defined(USE_LLSEEK)
2724# define lseek llseek
2725# endif
d9b3e12d
JH		 2726# endif
2727# if defined(USE_STAT64)
2728# define stat stat64
2729# endif
2730# if defined(USE_FSTAT64)
2731# define fstat fstat64
2732# endif
2733# if defined(USE_LSTAT64)
2734# define lstat lstat64
2735# endif
2736# if defined(USE_FLOCK64)
2737# define flock flock64
2738# endif
2739# if defined(USE_LOCKF64)
2740# define lockf lockf64
2741# endif
2742# if defined(USE_FCNTL64)
2743# define fcntl fcntl64
2744# endif
2745# if defined(USE_TRUNCATE64)
2746# define truncate truncate64
2747# endif
2748# if defined(USE_FTRUNCATE64)
2749# define ftruncate ftruncate64
2750# endif
2751#endif
2752
2753#ifdef USE_64_BIT_STDIO
2754# ifdef HAS_FPOS64_T
2755# undef Fpos_t
2756# define Fpos_t fpos64_t
2757# endif
2758/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2759 * will trigger defines like the ones below. Some 64-bit environments,
2760 * however, do not. */
2761# if defined(USE_FOPEN64)
2762# define fopen fopen64
2763# endif
2764# if defined(USE_FSEEK64)
6b8eaf93 2765# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2766# endif
2767# if defined(USE_FTELL64)
6b8eaf93 2768# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2769# endif
2770# if defined(USE_FSETPOS64)
2771# define fsetpos fsetpos64
2772# endif
2773# if defined(USE_FGETPOS64)
2774# define fgetpos fgetpos64
2775# endif
2776# if defined(USE_TMPFILE64)
2777# define tmpfile tmpfile64
2778# endif
2779# if defined(USE_FREOPEN64)
2780# define freopen freopen64
5ff3f7a4
GS		 2781# endif
2782#endif
2783
e37778c2 2784#if defined(OS2)
2c2d71f5
JH		 2785# include "iperlsys.h"
2786#endif
2787
748a9306 2788#ifdef DOSISH
19848b3f
JH		 2789# if defined(OS2)
2790# include "os2ish.h"
2791# else
2792# include "dosish.h"
2793# endif
009819bb 2794#elif defined(VMS)
748a9306 2795# include "vmsish.h"
009819bb 2796#elif defined(PLAN9)
19848b3f 2797# include "./plan9/plan9ish.h"
009819bb 2798#elif defined(__VOS__)
196918b0
PG		 2799# ifdef __GNUC__
2800# include "./vos/vosish.h"
2801# else
2802# include "vos/vosish.h"
2803# endif
009819bb 2804#elif defined(__SYMBIAN32__)
27da23d5 2805# include "symbian/symbianish.h"
009819bb 2806#elif defined(__HAIKU__)
df00ff3b 2807# include "haiku/haikuish.h"
009819bb 2808#else
19848b3f 2809# include "unixish.h"
13b6e58c
JH		 2810#endif
2811
2946a158
JH		 2812/* NSIG logic from Configure --> */
2813/* Strange style to avoid deeply-nested #if/#else/#endif */
2814#ifndef NSIG
2815# ifdef _NSIG
2816# define NSIG (_NSIG)
2817# endif
2818#endif
2819
2820#ifndef NSIG
2821# ifdef SIGMAX
2822# define NSIG (SIGMAX+1)
2823# endif
2824#endif
2825
2826#ifndef NSIG
2827# ifdef SIG_MAX
2828# define NSIG (SIG_MAX+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 MAXSIG
2840# define NSIG (MAXSIG+1)
2841# endif
2842#endif
2843
2844#ifndef NSIG
2845# ifdef MAX_SIG
2846# define NSIG (MAX_SIG+1)
2847# endif
2848#endif
2849
2850#ifndef NSIG
2851# ifdef SIGARRAYSIZE
2852# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2853# endif
2854#endif
2855
2856#ifndef NSIG
2857# ifdef _sys_nsig
2858# define NSIG (_sys_nsig) /* Solaris 2.5 */
2859# endif
2860#endif
2861
2862/* Default to some arbitrary number that's big enough to get most
2863 of the common signals.
2864*/
2865#ifndef NSIG
2866# define NSIG 50
2867#endif
2868/* <-- NSIG logic from Configure */
2869
13b6e58c
JH		 2870#ifndef NO_ENVIRON_ARRAY
2871# define USE_ENVIRON_ARRAY
2872#endif
32f822de 2873
c77b533b
JH		 2874/*
2875 * initialise to avoid floating-point exceptions from overflow, etc
2876 */
2877#ifndef PERL_FPU_INIT
2878# ifdef HAS_FPSETMASK
2879# if HAS_FLOATINGPOINT_H
2880# include <floatingpoint.h>
2881# endif
ad3a8c67
NC		 2882/* Some operating systems have this as a macro, which in turn expands to a comma
2883 expression, and the last sub-expression is something that gets calculated,
2884 and then they have the gall to warn that a value computed is not used. Hence
2885 cast to void. */
2886# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2887# else
2f42fcb0 2888# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2889# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2890# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2891# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2892# else
2893# define PERL_FPU_INIT
2f42fcb0 2894
7014c407 2895# endif
c77b533b
JH		 2896# endif
2897#endif
b35112e7
CS		 2898#ifndef PERL_FPU_PRE_EXEC
2899# define PERL_FPU_PRE_EXEC {
2900# define PERL_FPU_POST_EXEC }
2901#endif
c77b533b 2902
a308b05a
JH		 2903/* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2904 * We need to reenable the "invalid" trap because otherwise generation
2905 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2906 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2907#ifdef __osf__
2908# include <machine/fpu.h>
2909# define PERL_SYS_FPU_INIT \
2910 STMT_START { \
2911 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2912 signal(SIGFPE, SIG_IGN); \
2913 } STMT_END
2914#endif
2915
2916#ifndef PERL_SYS_FPU_INIT
2917# define PERL_SYS_FPU_INIT NOOP
2918#endif
2919
cbec8ebe
DM		 2920#ifndef PERL_SYS_INIT3_BODY
2921# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2922#endif
2923
eb533572 2924/*
dcccc8ff
KW		 2925=head1 Miscellaneous Functions
2926
4ad9e498 2927=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2928Provides system-specific tune up of the C runtime environment necessary to
72d33970 2929run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2930any Perl interpreters.
2931
4ad9e498 2932=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2933Provides system-specific tune up of the C runtime environment necessary to
72d33970 2934run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2935any Perl interpreters.
2936
2937=for apidoc Am|void|PERL_SYS_TERM|
2938Provides system-specific clean up of the C runtime environment after
72d33970 2939running Perl interpreters. This should be called only once, after
eb533572
DM		 2940freeing any remaining Perl interpreters.
2941
2942=cut
2943 */
2944
cbec8ebe
DM		 2945#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2946#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2947#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2948
be708cc0
JH		 2949#ifndef PERL_WRITE_MSG_TO_CONSOLE
2950# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2951#endif
2952
0f31cffe
GS		 2953#ifndef MAXPATHLEN
2954# ifdef PATH_MAX
b990c8b2
JH		 2955# ifdef _POSIX_PATH_MAX
2956# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2957/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2958 * included the null byte or not. Later amendments of POSIX,
2959 * XPG4, the Austin Group, and the Single UNIX Specification
2960 * all explicitly include the null byte in the PATH_MAX.
2961 * Ditto for _POSIX_PATH_MAX. */
2962# define MAXPATHLEN PATH_MAX
b990c8b2 2963# else
09448d78 2964# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2965# endif
2966# else
2967# define MAXPATHLEN (PATH_MAX+1)
2968# endif
0f31cffe 2969# else
d552bce8 2970# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2971# endif
2972#endif
2973
c80263a8
SH		 2974/* In case Configure was not used (we are using a "canned config"
2975 * such as Win32, or a cross-compilation setup, for example) try going
2976 * by the gcc major and minor versions. One useful URL is
2977 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2978 * but contrary to this information warn_unused_result seems
2979 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2980 * Also, when building extensions with an installed perl, this allows
2981 * the user to upgrade gcc and get the right attributes, rather than
2982 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2983 * Set these up now otherwise we get confused when some of the <*thread.h>
2984 * includes below indirectly pull in <perlio.h> (which needs to know if we
2985 * have HASATTRIBUTE_FORMAT).
2986 */
2987
4d7c7898 2988#ifndef PERL_MICRO
fc2007d4 2989#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2990# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2991# define HASATTRIBUTE_DEPRECATED
2992# endif
c80263a8
SH		 2993# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2994# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2995# if defined __MINGW32__
2996# define PRINTF_FORMAT_NULL_OK
2997# endif
c80263a8
SH		 2998# endif
2999# if __GNUC__ >= 3 /* 3.0 -> */
3000# define HASATTRIBUTE_MALLOC
3001# endif
3002# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3003# define HASATTRIBUTE_NONNULL
3004# endif
3005# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3006# define HASATTRIBUTE_NORETURN
3007# endif
3008# if __GNUC__ >= 3 /* gcc 3.0 -> */
3009# define HASATTRIBUTE_PURE
3010# endif
42bf5550 3011# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 3012# define HASATTRIBUTE_UNUSED
3013# endif
d324fe49
AD		 3014# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3015# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3016# endif
c80263a8
SH		 3017# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3018# define HASATTRIBUTE_WARN_UNUSED_RESULT
3019# endif
3020#endif
00f254e2 3021#endif /* #ifndef PERL_MICRO */
c80263a8 3022
3db8f154 3023/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 3024 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 3025 * this results in many functions being undeclared which bothers C++
3026 * May make sense to have threads after "*ish.h" anyway
3027 */
3028
3db8f154 3029#if defined(USE_ITHREADS)
2986a63f
JH		 3030# ifdef NETWARE
3031# include <nw5thread.h>
3032# else
32f822de
GS		 3033# ifdef WIN32
3034# include <win32thread.h>
3035# else
dd96f567
IZ		 3036# ifdef OS2
3037# include "os2thread.h"
3038# else
7f3d1cf1 3039# ifdef I_MACH_CTHREADS
bdd66968 3040# include <mach/cthreads.h>
7f3d1cf1
BH		 3041typedef cthread_t perl_os_thread;
3042typedef mutex_t perl_mutex;
3043typedef condition_t perl_cond;
3044typedef void * perl_key;
3045# else /* Posix threads */
1f5ae88c
JH		 3046# ifdef I_PTHREAD
3047# include <pthread.h>
3048# endif
7f3d1cf1
BH		 3049typedef pthread_t perl_os_thread;
3050typedef pthread_mutex_t perl_mutex;
3051typedef pthread_cond_t perl_cond;
3052typedef pthread_key_t perl_key;
3053# endif /* I_MACH_CTHREADS */
dd96f567 3054# endif /* OS2 */
32f822de 3055# endif /* WIN32 */
ef4abe76 3056# endif /* NETWARE */
3db8f154 3057#endif /* USE_ITHREADS */
c5be433b 3058
66a93824 3059#if defined(WIN32)
1feb2720 3060# include "win32.h"
c5be433b
GS		 3061#endif
3062
2986a63f
JH		 3063#ifdef NETWARE
3064# include "netware.h"
3065#endif
3066
e5218da5 3067#define STATUS_UNIX PL_statusvalue
68dc0745 3068#ifdef VMS
6b88bc9c 3069# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 3070/*
3071 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 3072 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 3073 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3074 * be updated also.
3075 */
3076# include <stsdef.h>
3077# include <ssdef.h>
3078/* Presume this because if VMS changes it, it will require a new
3079 * set of APIs for waiting on children for binary compatibility.
3080 */
3081# define child_offset_bits (8)
3082# ifndef C_FAC_POSIX
3083# define C_FAC_POSIX 0x35A000
3084# endif
3085
3086/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3087 * platform from the existing UNIX or Native status values.
3088 */
3089
37038d91 3090# define STATUS_EXIT \
7a7fd8e0
JM		 3091 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3092 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3093
7a7fd8e0 3094
fb38d079
JM		 3095/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3096 * exit code and shifts the UNIX value over the correct number of bits to
3097 * be a child status. Usually the number of bits is 8, but that could be
3098 * platform dependent. The NATIVE status code is presumed to have either
3099 * from a child process.
7a7fd8e0
JM		 3100 */
3101
fb38d079
JM		 3102/* This is complicated. The child processes return a true native VMS
3103 status which must be saved. But there is an assumption in Perl that
3104 the UNIX child status has some relationship to errno values, so
00f254e2 3105 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 3106 In order to get the string translation correct, for the error, errno
3107 must be EVMSERR, but that generates a different text message
3108 than what the test programs are expecting. So an errno value must
3109 be derived from the native status value when an error occurs.
3110 That will hide the true native status message. With this version of
3111 perl, the true native child status can always be retrieved so that
3112 is not a problem. But in this case, Pl_statusvalue and errno may
3113 have different values in them.
3114 */
7a7fd8e0 3115
fb38d079 3116# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 3117 STMT_START { \
2fbb330f
JM		 3118 I32 evalue = (I32)n; \
3119 if (evalue == EVMSERR) { \
3120 PL_statusvalue_vms = vaxc$errno; \
3121 PL_statusvalue = evalue; \
7a7fd8e0 3122 } else { \
2fbb330f 3123 PL_statusvalue_vms = evalue; \
fb38d079 3124 if (evalue == -1) { \
3280af22 3125 PL_statusvalue = -1; \
7a7fd8e0
JM		 3126 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3127 } else \
fb38d079 3128 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 3129 set_vaxc_errno(evalue); \
fb38d079
JM		 3130 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3131 set_errno(EVMSERR); \
3132 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3133 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 3134 } \
68dc0745 3135 } STMT_END
7a7fd8e0 3136
68dc0745 3137# ifdef VMSISH_STATUS
e5218da5 3138# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 3139# else
e5218da5 3140# define STATUS_CURRENT STATUS_UNIX
68dc0745 3141# endif
7a7fd8e0
JM		 3142
3143 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3144 * the NATIVE status to an equivalent value. Can not be used to translate
3145 * exit code values as exit code values are not guaranteed to have any
3146 * relationship at all to errno values.
3147 * This is used when Perl is forcing errno to have a specific value.
3148 */
e5218da5 3149# define STATUS_UNIX_SET(n) \
68dc0745 3150 STMT_START { \
7a7fd8e0 3151 I32 evalue = (I32)n; \
0968cdad 3152 PL_statusvalue = evalue; \
3280af22 3153 if (PL_statusvalue != -1) { \
0968cdad
JM		 3154 if (PL_statusvalue != EVMSERR) { \
3155 PL_statusvalue &= 0xFFFF; \
3156 if (MY_POSIX_EXIT) \
3157 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3158 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3159 } \
3160 else { \
3161 PL_statusvalue_vms = vaxc$errno; \
3162 } \
68dc0745 3163 } \
0968cdad
JM		 3164 else PL_statusvalue_vms = SS$_ABORT; \
3165 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 3166 } STMT_END
3167
3168 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 3169 * the NATIVE error status based on it.
3170 *
3171 * When in the default mode to comply with the Perl VMS documentation,
3172 * 0 is a success and any other code sets the NATIVE status to a failure
3173 * code of SS$_ABORT.
fb38d079
JM		 3174 *
3175 * In the new POSIX EXIT mode, native status will be set so that the
3176 * actual exit code will can be retrieved by the calling program or
3177 * shell.
3178 *
3179 * If the exit code is not clearly a UNIX parent or child exit status,
3180 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3181 */
3182
fb38d079 3183# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3184 STMT_START { \
3185 I32 evalue = (I32)n; \
3186 PL_statusvalue = evalue; \
e08e1e1d
JM		 3187 if (MY_POSIX_EXIT) { \
3188 if (evalue <= 0xFF00) { \
3189 if (evalue > 0xFF) \
3190 evalue = (evalue >> child_offset_bits) & 0xFF; \
3191 PL_statusvalue_vms = \
3192 (C_FAC_POSIX | (evalue << 3 ) | \
3193 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3194 } else /* forgive them Perl, for they have sinned */ \
3195 PL_statusvalue_vms = evalue; \
3196 } else { \
3197 if (evalue == 0) \
3198 PL_statusvalue_vms = SS$_NORMAL; \
3199 else if (evalue <= 0xFF00) \
3200 PL_statusvalue_vms = SS$_ABORT; \
3201 else { /* forgive them Perl, for they have sinned */ \
3202 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3203 else PL_statusvalue_vms = vaxc$errno; \
3204 /* And obviously used a VMS status value instead of UNIX */ \
3205 PL_statusvalue = EVMSERR; \
3206 } \
3207 set_vaxc_errno(PL_statusvalue_vms); \
3208 } \
68dc0745 3209 } STMT_END
fb38d079 3210
e08e1e1d 3211
6ac6a52b
JM		 3212 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3213 * and sets the NATIVE error status based on it. This special case
3214 * is needed to maintain compatibility with past VMS behavior.
3215 *
3216 * In the default mode on VMS, this number is passed through as
3217 * both the NATIVE and UNIX status. Which makes it different
3218 * that the STATUS_UNIX_EXIT_SET.
3219 *
3220 * In the new POSIX EXIT mode, native status will be set so that the
3221 * actual exit code will can be retrieved by the calling program or
3222 * shell.
3223 *
1a3aec58
JM		 3224 * A POSIX exit code is from 0 to 255. If the exit code is higher
3225 * than this, it needs to be assumed that it is a VMS exit code and
3226 * passed through.
6ac6a52b
JM		 3227 */
3228
3229# define STATUS_EXIT_SET(n) \
3230 STMT_START { \
3231 I32 evalue = (I32)n; \
3232 PL_statusvalue = evalue; \
3233 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3234 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3235 PL_statusvalue_vms = \
3236 (C_FAC_POSIX | (evalue << 3 ) | \
3237 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3238 else \
3239 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3240 set_vaxc_errno(PL_statusvalue_vms); \
3241 } STMT_END
3242
fb38d079
JM		 3243
3244 /* This macro forces a success status */
7a7fd8e0
JM		 3245# define STATUS_ALL_SUCCESS \
3246 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3247
3248 /* This macro forces a failure status */
7a7fd8e0
JM		 3249# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3250 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3251 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3252
68dc0745 3253#else
e5218da5 3254# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3255# if defined(WCOREDUMP)
37038d91 3256# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3257 STMT_START { \
3258 PL_statusvalue_posix = (n); \
3259 if (PL_statusvalue_posix == -1) \
3260 PL_statusvalue = -1; \
3261 else { \
3262 PL_statusvalue = \
3263 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3264 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3265 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3266 } \
3267 } STMT_END
3268# elif defined(WIFEXITED)
37038d91 3269# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3270 STMT_START { \
3271 PL_statusvalue_posix = (n); \
3272 if (PL_statusvalue_posix == -1) \
3273 PL_statusvalue = -1; \
3274 else { \
3275 PL_statusvalue = \
3276 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3277 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3278 } \
3279 } STMT_END
3280# else
37038d91 3281# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3282 STMT_START { \
3283 PL_statusvalue_posix = (n); \
3284 if (PL_statusvalue_posix == -1) \
3285 PL_statusvalue = -1; \
3286 else { \
3287 PL_statusvalue = \
3288 PL_statusvalue_posix & 0xFFFF; \
3289 } \
3290 } STMT_END
3291# endif
3292# define STATUS_UNIX_SET(n) \
68dc0745 3293 STMT_START { \
3280af22
NIS		 3294 PL_statusvalue = (n); \
3295 if (PL_statusvalue != -1) \
3296 PL_statusvalue &= 0xFFFF; \
68dc0745 3297 } STMT_END
7a7fd8e0 3298# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3299# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3300# define STATUS_CURRENT STATUS_UNIX
37038d91 3301# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3302# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3303# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3304#endif
3305
cc3604b1
GS		 3306/* flags in PL_exit_flags for nature of exit() */
3307#define PERL_EXIT_EXPECTED 0x01
31d77e54 3308#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 3309#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3310#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 3311
b79b76e0 3312#ifndef PERL_CORE
a7cb1f99 3313/* format to use for version numbers in file/directory names */
273cf8d1 3314/* XXX move to Configure? */
b79b76e0
NC		 3315/* This was only ever used for the current version, and that can be done at
3316 compile time, as PERL_FS_VERSION, so should we just delete it? */
3317# ifndef PERL_FS_VER_FMT
3318# define PERL_FS_VER_FMT "%d.%d.%d"
3319# endif
3320#endif
3321
3322#ifndef PERL_FS_VERSION
3323# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3324#endif
3325
45bc9206 3326/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3327 * performance issue, so we allow people to disable it. Also, if
3328 * we are using stdio, there are broken implementations of fflush(NULL)
3329 * out there, Solaris being the most prominent.
45bc9206
GS		 3330 */
3331#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 3332# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 3333# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3334# else
3335# ifdef FFLUSH_ALL
3336# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3337# else
c5be433b 3338# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3339# endif
66fe083f 3340# endif
45bc9206
GS		 3341#endif
3342
7766f137
GS		 3343#ifndef PERL_WAIT_FOR_CHILDREN
3344# define PERL_WAIT_FOR_CHILDREN NOOP
3345#endif
3346
ba869deb 3347/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3348#ifndef PERL_SET_INTERP
3349# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3350#endif
3351
3352#ifndef PERL_GET_INTERP
3353# define PERL_GET_INTERP (PL_curinterp)
3354#endif
3355
54aff467 3356#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3357# ifdef MULTIPLICITY
ba869deb 3358# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3359# endif
ba869deb
GS		 3360# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3361#endif
3362
00f254e2 3363/*
8896765a 3364 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3365 All that is required is that the perl source does not
00f254e2
KW		 3366 use "%-p" or "%-<number>p" or "%<number>p" formats.
3367 These formats will still work in perl code.
486ec47a 3368 See comments in sv.c for further details.
8896765a 3369
8896765a 3370 Robin Barker 2005-07-14
f46d31f2 3371
00f254e2 3372 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3373*/
8896765a
RB		 3374
3375#ifndef SVf_
63ce7bf0 3376# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3377#endif
3378
8896765a 3379#ifndef SVf
104abab4 3380# define SVf "-p"
d2560b70
RB		 3381#endif
3382
014ead4b 3383#ifndef SVf32
8896765a 3384# define SVf32 SVf_(32)
014ead4b
RB		 3385#endif
3386
3387#ifndef SVf256
8896765a
RB		 3388# define SVf256 SVf_(256)
3389#endif
3390
be2597df
MHM		 3391#define SVfARG(p) ((void*)(p))
3392
20023040
FC		 3393#ifndef HEKf
3394# define HEKf "2p"
3395#endif
3396
b8fa5213
FC		 3397/* Not ideal, but we cannot easily include a number in an already-numeric
3398 * format sequence. */
3399#ifndef HEKf256
3400# define HEKf256 "3p"
3401#endif
3402
20023040
FC		 3403#define HEKfARG(p) ((void*)(p))
3404
b17a0679
FC		 3405/* Takes three arguments: is_utf8, length, str */
3406#ifndef UTF8f
61608bb7 3407# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3408#endif
3409#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3410
0f94cb1f
FC		 3411#define PNf UTF8f
3412#define PNfARG(pn) (int)1, (UV)PadnameLEN(pn), (void *)PadnamePV(pn)
0d1e9135 3413
f46d31f2 3414#ifdef PERL_CORE
486ec47a 3415/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3416# undef UVf
3417#else
170cd9e9
NC		 3418# ifndef UVf
3419# define UVf UVuf
3420# endif
d2560b70
RB		 3421#endif
3422
fcdf39cf
RGS		 3423#ifdef HASATTRIBUTE_DEPRECATED
3424# define __attribute__deprecated__ __attribute__((deprecated))
3425#endif
0dbb1585
AL		 3426#ifdef HASATTRIBUTE_FORMAT
3427# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3428#endif
3429#ifdef HASATTRIBUTE_MALLOC
77785eea 3430# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3431#endif
0dbb1585 3432#ifdef HASATTRIBUTE_NONNULL
abb2c242 3433# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3434#endif
0dbb1585 3435#ifdef HASATTRIBUTE_NORETURN
abb2c242 3436# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3437#endif
0dbb1585 3438#ifdef HASATTRIBUTE_PURE
abb2c242 3439# define __attribute__pure__ __attribute__((pure))
f22be1b8 3440#endif
0dbb1585
AL		 3441#ifdef HASATTRIBUTE_UNUSED
3442# define __attribute__unused__ __attribute__((unused))
3443#endif
3444#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3445# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3446#endif
3447
0dbb1585 3448/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3449#ifndef __attribute__deprecated__
3450# define __attribute__deprecated__
3451#endif
0dbb1585
AL		 3452#ifndef __attribute__format__
3453# define __attribute__format__(x,y,z)
3454#endif
f22be1b8 3455#ifndef __attribute__malloc__
abb2c242 3456# define __attribute__malloc__
f22be1b8
JH		 3457#endif
3458#ifndef __attribute__nonnull__
abb2c242 3459# define __attribute__nonnull__(a)
f22be1b8
JH		 3460#endif
3461#ifndef __attribute__noreturn__
abb2c242 3462# define __attribute__noreturn__
f22be1b8
JH		 3463#endif
3464#ifndef __attribute__pure__
abb2c242 3465# define __attribute__pure__
f22be1b8 3466#endif
0dbb1585
AL		 3467#ifndef __attribute__unused__
3468# define __attribute__unused__
3469#endif
f22be1b8 3470#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3471# define __attribute__warn_unused_result__
3472#endif
3473
6d59e610
LM		 3474#ifdef I_ASSERT
3475# if !defined(DEBUGGING) && !defined(NDEBUG)
3476# define NDEBUG 1
3477# endif
cd13e623
JH		 3478# include <assert.h>
3479#endif
3480
0dbb1585
AL		 3481/* For functions that are marked as __attribute__noreturn__, it's not
3482 appropriate to call return. In either case, include the lint directive.
3483 */
3484#ifdef HASATTRIBUTE_NORETURN
ae103e09 3485# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3486#else
ae103e09 3487# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH		 3488#endif
3489
cdfeb707
RB		 3490/* Some OS warn on NULL format to printf */
3491#ifdef PRINTF_FORMAT_NULL_OK
3492# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3493#else
00f254e2 3494# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3495#endif
3496
635aebb7 3497#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3498# define EXPECT(expr,val) __builtin_expect(expr,val)
3499#else
3500# define EXPECT(expr,val) (expr)
3501#endif
6d5abc62
NC		 3502#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3503#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3504#ifdef HAS_BUILTIN_CHOOSE_EXPR
3505/* placeholder */
3506#endif
b37c2d43 3507
6d59e610
LM		 3508#if defined(static_assert) || (defined(__cplusplus) && __cplusplus >= 201103L)
3509/* static_assert is a macro defined in <assert.h> in C11 or a compiler
3510 builtin in C++11.
3511*/
3512# define STATIC_ASSERT_GLOBAL(COND) static_assert(COND, #COND)
3513#else
3514/* We use a bit-field instead of an array because gcc accepts
3515 'typedef char x[n]' where n is not a compile-time constant.
3516 We want to enforce constantness.
3517*/
3518# define STATIC_ASSERT_2(COND, SUFFIX) \
3519 typedef struct { \
3520 unsigned int _static_assertion_failed_##SUFFIX : (COND) ? 1 : -1; \
3521 } _static_assertion_failed_##SUFFIX PERL_UNUSED_DECL
3522# define STATIC_ASSERT_1(COND, SUFFIX) STATIC_ASSERT_2(COND, SUFFIX)
3523# define STATIC_ASSERT_GLOBAL(COND) STATIC_ASSERT_1(COND, __LINE__)
3524#endif
3525/* We need this wrapper even in C11 because 'case X: static_assert(...);' is an
3526 error (static_assert is a declaration, and only statements can have labels).
3527*/
3528#define STATIC_ASSERT_STMT(COND) do { STATIC_ASSERT_GLOBAL(COND); } while (0)
ae103e09
DD		 3529
3530#ifndef __has_builtin
3531# define __has_builtin(x) 0 /* not a clang style compiler */
3532#endif
3533
3534/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3535 hint to a compiler about a statement of fact in a function call free
3536 expression, which allows the compiler to generate better machine code.
3537 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3538 the control path is unreachable. In a for loop, ASSUME can be used to hint
3539 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3540 intrinsic function, see its documents for more details.
3541*/
3542
3543#ifndef DEBUGGING
3544# if __has_builtin(__builtin_unreachable) \
d1020b40 3545 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
ae103e09
DD		 3546# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3547# elif defined(_MSC_VER)
3548# define ASSUME(x) __assume(x)
3549# elif defined(__ARMCC_VERSION) /* untested */
3550# define ASSUME(x) __promise(x)
3551# else
3552/* a random compiler might define assert to its own special optimization token
3553 so pass it through to C lib as a last resort */
3554# define ASSUME(x) assert(x)
3555# endif
3556#else
3557# define ASSUME(x) assert(x)
3558#endif
3559
3560#define NOT_REACHED ASSUME(0)
3561
3fc1aec6 3562/* Some unistd.h's give a prototype for pause() even though
3563 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3564 below to be rejected by the compiler. Sigh.
3fc1aec6 3565*/
3566#ifdef HAS_PAUSE
3567#define Pause pause
3568#else
3569#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3570#endif
3571
3572#ifndef IOCPARM_LEN
3573# ifdef IOCPARM_MASK
61f1c44b 3574 /* on BSDish systems we're safe */
748a9306
LW		 3575# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3576# else
61f1c44b 3577# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3578 /* on Linux systems we're safe; except when we're not [perl #38223] */
3579# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3580# else
748a9306 3581 /* otherwise guess at what's safe */
61f1c44b
JVD		 3582# define IOCPARM_LEN(x) 256
3583# endif
748a9306 3584# endif
a0d0e21e
LW		 3585#endif
3586
1761cee5 3587#if defined(__CYGWIN__)
521e0776
GS		 3588/* USEMYBINMODE
3589 * This symbol, if defined, indicates that the program should
16fe6d59 3590 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3591 * that a file is in "binary" mode -- that is, that no translation
3592 * of bytes occurs on read or write operations.
3593 */
36894f0b 3594# define USEMYBINMODE /**/
77a40698 3595# include <io.h> /* for setmode() prototype */
16fe6d59 3596# define my_binmode(fp, iotype, mode) \
77a40698 3597 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3598#endif
3599
88d10794
JH		 3600#ifdef __CYGWIN__
3601void init_os_extras(void);
3602#endif
3603
cea2e8a9
GS		 3604#ifdef UNION_ANY_DEFINITION
3605UNION_ANY_DEFINITION;
3606#else
3607union any {
3608 void* any_ptr;
3609 I32 any_i32;
ae103e09 3610 U32 any_u32;
cea2e8a9 3611 IV any_iv;
c6bf6a65 3612 UV any_uv;
cea2e8a9 3613 long any_long;
9febdf04 3614 bool any_bool;
c76ac1ee 3615 void (*any_dptr) (void*);
acfe0abc 3616 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3617};
3618#endif
3619
acfe0abc 3620typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3621
3622#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3623#define FILTER_DATA(idx) \
3624 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3625#define FILTER_ISREADER(idx) \
3626 (PL_parser && PL_parser->rsfp_filters \
3627 && idx >= AvFILLp(PL_parser->rsfp_filters))
3628#define PERL_FILTER_EXISTS(i) \
3629 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3630 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3631
c5078cac
JH		 3632#if defined(_AIX) && !defined(_AIX43)
3633#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3634/* We cannot include <crypt.h> to get the struct crypt_data
3635 * because of setkey prototype problems when threading */
3636typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3637 /* From OSF, Not needed in AIX
3638 char C[28], D[28];
3639 */
3640 char E[48];
3641 char KS[16][48];
3642 char block[66];
3643 char iobuf[16];
3644} CRYPTD;
3645#endif /* threading */
3646#endif /* AIX */
3647
e37778c2 3648#if !defined(OS2)
2c2d71f5
JH		 3649# include "iperlsys.h"
3650#endif
504f80c1 3651
9c12f1e5 3652#ifdef __LIBCATAMOUNT__
00f254e2 3653#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3654#undef HAS_GROUP
3655#define FAKE_BIT_BUCKET
3656#endif
3657
d10dc2ae
JH		 3658/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3659 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3660 * defined by Configure, despite their names being similar to the
3661 * other defines like USE_ITHREADS. Configure in fact knows nothing
3662 * about the randomised hashes. Therefore to enable/disable the hash
3663 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3664#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3665# define USE_HASH_SEED
504f80c1
JH		 3666#endif
3667
598921a7
NC		 3668/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3669 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3670 * it's not really needed.
3671 */
3672#if defined(WIN32)
3673# define YYTOKENTYPE
3674#endif
3675#include "perly.h"
3676
598921a7 3677
654eccd5
JD		 3678/* macros to define bit-fields in structs. */
3679#ifndef PERL_BITFIELD8
3680# define PERL_BITFIELD8 unsigned
3681#endif
3682#ifndef PERL_BITFIELD16
3683# define PERL_BITFIELD16 unsigned
3684#endif
3685#ifndef PERL_BITFIELD32
3686# define PERL_BITFIELD32 unsigned
3687#endif
3688
79072805 3689#include "sv.h"
288b8c02 3690#include "regexp.h"
378cc40b 3691#include "util.h"
8d063cd8 3692#include "form.h"
79072805 3693#include "gv.h"
dd2155a4 3694#include "pad.h"
79072805 3695#include "cv.h"
abdd5c84 3696#include "opnames.h"
79072805 3697#include "op.h"
b3ca2e83 3698#include "hv.h"
79072805
LW		 3699#include "cop.h"
3700#include "av.h"
79072805
LW		 3701#include "mg.h"
3702#include "scope.h"
4438c4b7 3703#include "warnings.h"
a0ed51b3 3704#include "utf8.h"
8d063cd8 3705
0d7d409d
DM		 3706/* these would be in doio.h if there was such a file */
3707#define my_stat() my_stat_flags(SV_GMAGIC)
3708#define my_lstat() my_lstat_flags(SV_GMAGIC)
3709
20f4945e 3710/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3711#undef _XPV_HEAD
3712#undef _XPVMG_HEAD
3713#undef _XPVCV_COMMON
7fae4e64
GS		 3714
3715typedef struct _sublex_info SUBLEXINFO;
3716struct _sublex_info {
651b5b28
NC		 3717 U8 super_state; /* lexer state to save */
3718 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3719 OP *sub_op; /* "lex_op" to use */
7cc34111 3720 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3721};
3722
199e78b7
DM		 3723#include "parser.h"
3724
455ece5e 3725typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3726
2260ab51
KW		 3727#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3728
3729/* These have to be predeclared, as they are used in proto.h which is #included
3730 * before their definitions in regcomp.h. */
3731
3732struct scan_data_t;
7dcac5f6
KW		 3733typedef struct regnode_charclass regnode_charclass;
3734
2260ab51 3735struct regnode_charclass_class;
d1d040e5
KW		 3736
3737/* A hopefully less confusing name. The sub-classes are all Posix classes only
3738 * used under /l matching */
3739typedef struct regnode_charclass_class regnode_charclass_posixl;
3740
b8f7bb16 3741typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3742typedef struct RExC_state_t RExC_state_t;
3743struct _reg_trie_data;
76e3520e 3744
2260ab51
KW		 3745#endif
3746
5f7fde29
GS		 3747struct ptr_tbl_ent {
3748 struct ptr_tbl_ent* next;
53c1dcc0 3749 const void* oldval;
5f7fde29 3750 void* newval;
d18c6117
GS		 3751};
3752
5f7fde29
GS		 3753struct ptr_tbl {
3754 struct ptr_tbl_ent** tbl_ary;
3755 UV tbl_max;
3756 UV tbl_items;
db93c0c4
NC		 3757 struct ptr_tbl_arena *tbl_arena;
3758 struct ptr_tbl_ent *tbl_arena_next;
3759 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3760};
3761
fe14fcc3
LW		 3762#if defined(htonl) && !defined(HAS_HTONL)
3763#define HAS_HTONL
ae986130 3764#endif
fe14fcc3
LW		 3765#if defined(htons) && !defined(HAS_HTONS)
3766#define HAS_HTONS
ae986130 3767#endif
fe14fcc3
LW		 3768#if defined(ntohl) && !defined(HAS_NTOHL)
3769#define HAS_NTOHL
ae986130 3770#endif
fe14fcc3
LW		 3771#if defined(ntohs) && !defined(HAS_NTOHS)
3772#define HAS_NTOHS
ae986130 3773#endif
fe14fcc3 3774#ifndef HAS_HTONL
fe14fcc3
LW		 3775#define HAS_HTONS
3776#define HAS_HTONL
3777#define HAS_NTOHS
3778#define HAS_NTOHL
8e2d7c44
NC		 3779# if (BYTEORDER & 0xffff) == 0x4321
3780/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3781 re-order their values. However, to behave identically to the alternative
3782 implementations, they should truncate to the correct size. */
3783# define ntohl(x) ((x)&0xFFFFFFFF)
3784# define htonl(x) ntohl(x)
3785# define ntohs(x) ((x)&0xFFFF)
3786# define htons(x) ntohs(x)
e4b03fed
NC		 3787# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3788
3789/* Note that we can't straight out declare our own htonl and htons because
3790 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3791 to avoid the overhead of initialising the socket subsystem, but the headers
3792 that *declare* the various functions are still seen. If we declare our own
3793 htonl etc they will clash with the declarations in the Win32 headers. */
3794
3795PERL_STATIC_INLINE U32
3796my_swap32(const U32 x) {
3797 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3798 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3799}
3800
3801PERL_STATIC_INLINE U16
3802my_swap16(const U16 x) {
3803 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3804}
3805
3806# define htonl(x) my_swap32(x)
3807# define ntohl(x) my_swap32(x)
3808# define ntohs(x) my_swap16(x)
3809# define htons(x) my_swap16(x)
8e2d7c44 3810# else
691a44df
NC		 3811# error "Unsupported byteorder"
3812/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3813 the error message. Please check the value of the macro BYTEORDER, as defined
3814 in config.h. The values of BYTEORDER we expect are
3815
3816 big endian little endian
3817 32 bit 0x4321 0x1234
3818 64 bit 0x87654321 0x12345678
3819
3820 If you have a system with a different byte order, please see
3821 pod/perlhack.pod for how to submit a patch to add supporting code.
3822*/
3823# endif
a687059c
LW		 3824#endif
3825
988174c1
LW		 3826/*
3827 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3828 * -DWS
3829 */
5ae72479 3830#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3831/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3832 re-order their values. However, to behave identically to the alternative
3833 implementations, they should truncate to the correct size. */
3834# define vtohl(x) ((x)&0xFFFFFFFF)
3835# define vtohs(x) ((x)&0xFFFF)
3836# define htovl(x) vtohl(x)
3837# define htovs(x) vtohs(x)
545872c5 3838#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3839# define vtohl(x) ((((x)&0xFF)<<24) \
3840 +(((x)>>24)&0xFF) \
3841 +(((x)&0x0000FF00)<<8) \
3842 +(((x)&0x00FF0000)>>8) )
3843# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3844# define htovl(x) vtohl(x)
3845# define htovs(x) vtohs(x)
545872c5
NC		 3846#else
3847# error "Unsupported byteorder"
3848/* If you have need for current perl on PDP-11 or similar, and can help test
3849 that blead keeps working on a mixed-endian system, then see
3850 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3851#endif
988174c1 3852
3bb7c1b4
JH		 3853/* *MAX Plus 1. A floating point value.
3854 Hopefully expressed in a way that dodgy floating point can't mess up.
3855 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3856 is added to it
3857 May find that some broken compiler will want the value cast to I32.
3858 [after the shift, as signed >> may not be as secure as unsigned >>]
3859*/
3860#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3861#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3862/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3863 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3864 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3865*/
3866#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3867
3bb7c1b4
JH		 3868#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3869#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3870#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3871
3872/* This may look like unnecessary jumping through hoops, but converting
3873 out of range floating point values to integers *is* undefined behaviour,
3874 and it is starting to bite.
3875*/
3876#ifndef CAST_INLINE
65202027 3877#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3878#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3879#define I_V(what) (cast_iv((NV)(what)))
3880#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3881#else
3882#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3883 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3884 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3885#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3886 : ((n) < U32_MAX_P1 ? (U32) (n) \
3887 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM		 3888#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3889 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3890 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM		 3891#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3892 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH		 3893 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3894#endif
3895
3896#define U_S(what) ((U16)U_32(what))
3897#define U_I(what) ((unsigned int)U_32(what))
3898#define U_L(what) U_32(what)
ed6116ce 3899
ed140128
AD		 3900#ifdef HAS_SIGNBIT
3901# define Perl_signbit signbit
3902#endif
3903
2d4389e4
JH		 3904/* These do not care about the fractional part, only about the range. */
3905#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3906#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3907
25da4f38
IZ		 3908/* Used with UV/IV arguments: */
3909 /* XXXX: need to speed it up */
3910#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3911#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3912
352d5a3a
LW		 3913#ifndef MAXSYSFD
3914# define MAXSYSFD 2
3915#endif
ee0007ab 3916
79072805 3917#ifndef __cplusplus
e37d7e38 3918#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3919Uid_t getuid (void);
3920Uid_t geteuid (void);
3921Gid_t getgid (void);
3922Gid_t getegid (void);
79072805 3923#endif
e1caacb4 3924#endif
8d063cd8 3925
0c30d9ec 3926#ifndef Perl_debug_log
bf49b057
GS		 3927# define Perl_debug_log PerlIO_stderr()
3928#endif
3929
3930#ifndef Perl_error_log
3931# define Perl_error_log (PL_stderrgv \
6b78add2 3932 && isGV(PL_stderrgv) \
01bb7c6d 3933 && GvIOp(PL_stderrgv) \
42de951c 3934 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3935 ? IoOFP(GvIOp(PL_stderrgv)) \
3936 : PerlIO_stderr())
0c30d9ec 3937#endif
3967c732 3938
aea4f609
DM		 3939
3940#define DEBUG_p_FLAG 0x00000001 /* 1 */
3941#define DEBUG_s_FLAG 0x00000002 /* 2 */
3942#define DEBUG_l_FLAG 0x00000004 /* 4 */
3943#define DEBUG_t_FLAG 0x00000008 /* 8 */
3944#define DEBUG_o_FLAG 0x00000010 /* 16 */
3945#define DEBUG_c_FLAG 0x00000020 /* 32 */
3946#define DEBUG_P_FLAG 0x00000040 /* 64 */
3947#define DEBUG_m_FLAG 0x00000080 /* 128 */
3948#define DEBUG_f_FLAG 0x00000100 /* 256 */
3949#define DEBUG_r_FLAG 0x00000200 /* 512 */
3950#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3951#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3952/* U is reserved for Unofficial, exploratory hacking */
3953#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3954#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3955#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3956#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3957#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3958#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3959#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3960#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3961#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3962#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3963#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3964#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3965#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3966#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 3967#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3968#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3969
3970#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3971#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3972 that something was done? */
aea4f609 3973
bd16a5f0
IZ		 3974# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3975# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3976# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3977# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3978# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3979# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3980# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3981# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3982# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3983# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3984# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3985# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3986# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3987# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3988# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3989# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3990# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3991# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3992# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3993# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3994# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3995# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3996# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3997# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3998# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3999# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 4000# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 4001# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 4002# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 4003# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 4004
3967c732 4005#ifdef DEBUGGING
aea4f609 4006
bd16a5f0
IZ		 4007# define DEBUG_p_TEST DEBUG_p_TEST_
4008# define DEBUG_s_TEST DEBUG_s_TEST_
4009# define DEBUG_l_TEST DEBUG_l_TEST_
4010# define DEBUG_t_TEST DEBUG_t_TEST_
4011# define DEBUG_o_TEST DEBUG_o_TEST_
4012# define DEBUG_c_TEST DEBUG_c_TEST_
4013# define DEBUG_P_TEST DEBUG_P_TEST_
4014# define DEBUG_m_TEST DEBUG_m_TEST_
4015# define DEBUG_f_TEST DEBUG_f_TEST_
4016# define DEBUG_r_TEST DEBUG_r_TEST_
4017# define DEBUG_x_TEST DEBUG_x_TEST_
4018# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 4019# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 4020# define DEBUG_H_TEST DEBUG_H_TEST_
4021# define DEBUG_X_TEST DEBUG_X_TEST_
4022# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 4023# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 4024# define DEBUG_T_TEST DEBUG_T_TEST_
4025# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 4026# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 4027# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 4028# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 4029# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 4030# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 4031# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 4032# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 4033# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 4034# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4035# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 4036# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 4037
488b0c7a 4038# define PERL_DEB(a) a
11f9ab1a 4039# define PERL_DEB2(a,b) a
488b0c7a 4040# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 4041# define DEBUG_p(a) if (DEBUG_p_TEST) a
4042# define DEBUG_s(a) if (DEBUG_s_TEST) a
4043# define DEBUG_l(a) if (DEBUG_l_TEST) a
4044# define DEBUG_t(a) if (DEBUG_t_TEST) a
4045# define DEBUG_o(a) if (DEBUG_o_TEST) a
4046# define DEBUG_c(a) if (DEBUG_c_TEST) a
4047# define DEBUG_P(a) if (DEBUG_P_TEST) a
4048
969058bb
VK		 4049 /* Temporarily turn off memory debugging in case the a
4050 * does memory allocation, either directly or indirectly. */
acfe0abc 4051# define DEBUG_m(a) \
0b250b9e 4052 STMT_START { \
aea4f609 4053 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 4054 } STMT_END
aea4f609 4055
5f80b19c
AMS		 4056# define DEBUG__(t, a) \
4057 STMT_START { \
4058 if (t) STMT_START {a;} STMT_END; \
4059 } STMT_END
4060
4061# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 4062#ifndef PERL_EXT_RE_BUILD
5f80b19c 4063# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 4064#else
4065# define DEBUG_r(a) STMT_START {a;} STMT_END
4066#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 4067# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4068# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 4069# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 4070# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4071# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4072# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 4073# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4074# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 4075# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 4076
56967202 4077# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 4078# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4079# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 4080# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 4081# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 4082# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4083# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 4084# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 4085# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 4086# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 4087
4088#else /* DEBUGGING */
4089
4090# define DEBUG_p_TEST (0)
4091# define DEBUG_s_TEST (0)
4092# define DEBUG_l_TEST (0)
4093# define DEBUG_t_TEST (0)
4094# define DEBUG_o_TEST (0)
4095# define DEBUG_c_TEST (0)
4096# define DEBUG_P_TEST (0)
4097# define DEBUG_m_TEST (0)
4098# define DEBUG_f_TEST (0)
4099# define DEBUG_r_TEST (0)
4100# define DEBUG_x_TEST (0)
4101# define DEBUG_u_TEST (0)
88d2d28a 4102# define DEBUG_U_TEST (0)
aea4f609
DM		 4103# define DEBUG_H_TEST (0)
4104# define DEBUG_X_TEST (0)
4105# define DEBUG_D_TEST (0)
56967202 4106# define DEBUG_S_TEST (0)
aea4f609 4107# define DEBUG_T_TEST (0)
04932ac8 4108# define DEBUG_R_TEST (0)
1045810a 4109# define DEBUG_J_TEST (0)
d6721266 4110# define DEBUG_v_TEST (0)
46187eeb 4111# define DEBUG_C_TEST (0)
ecae49c0
NC		 4112# define DEBUG_A_TEST (0)
4113# define DEBUG_q_TEST (0)
d7c0d282 4114# define DEBUG_M_TEST (0)
cc8773c0 4115# define DEBUG_B_TEST (0)
69014004 4116# define DEBUG_L_TEST (0)
7949c6f5
JC		 4117# define DEBUG_Xv_TEST (0)
4118# define DEBUG_Uv_TEST (0)
ad9e76a8 4119# define DEBUG_Pv_TEST (0)
aea4f609 4120
488b0c7a 4121# define PERL_DEB(a)
11f9ab1a 4122# define PERL_DEB2(a,b) b
488b0c7a 4123# define PERL_DEBUG(a)
aea4f609
DM		 4124# define DEBUG_p(a)
4125# define DEBUG_s(a)
4126# define DEBUG_l(a)
4127# define DEBUG_t(a)
4128# define DEBUG_o(a)
4129# define DEBUG_c(a)
4130# define DEBUG_P(a)
4131# define DEBUG_m(a)
4132# define DEBUG_f(a)
4133# define DEBUG_r(a)
4134# define DEBUG_x(a)
4135# define DEBUG_u(a)
88d2d28a 4136# define DEBUG_U(a)
aea4f609
DM		 4137# define DEBUG_H(a)
4138# define DEBUG_X(a)
4139# define DEBUG_D(a)
56967202 4140# define DEBUG_S(a)
aea4f609 4141# define DEBUG_T(a)
04932ac8 4142# define DEBUG_R(a)
d6721266 4143# define DEBUG_v(a)
46187eeb 4144# define DEBUG_C(a)
ecae49c0
NC		 4145# define DEBUG_A(a)
4146# define DEBUG_q(a)
d7c0d282 4147# define DEBUG_M(a)
cc8773c0 4148# define DEBUG_B(a)
69014004 4149# define DEBUG_L(a)
7949c6f5
JC		 4150# define DEBUG_Xv(a)
4151# define DEBUG_Uv(a)
ad9e76a8 4152# define DEBUG_Pv(a)
aea4f609
DM		 4153#endif /* DEBUGGING */
4154
4155
b4ab917c 4156#define DEBUG_SCOPE(where) \
d9f81b50 4157 DEBUG_l( \
1c98cc53
DM		 4158 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4159 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 4160 __FILE__, __LINE__));
b4ab917c 4161
de84dc04 4162/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 4163 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 4164
11f9ab1a 4165#define Perl_assert(what) PERL_DEB2( \
2b057284 4166 ((what) ? ((void) 0) : \
67eb4d30 4167 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 4168 "\", line %d", STRINGIFY(what), __LINE__), \
11f9ab1a 4169 (void) 0)), ((void)0))
de84dc04 4170
81d52ecd
JH		 4171/* assert() gets defined if DEBUGGING (and I_ASSERT).
4172 * If no DEBUGGING, the <assert.h> has not been included. */
de84dc04
NC		 4173#ifndef assert
4174# define assert(what) Perl_assert(what)
a446a88f 4175#endif
c7724415
FC		 4176#ifdef DEBUGGING
4177# define assert_(what) assert(what),
4178#else
4179# define assert_(what)
4180#endif
8d063cd8 4181
450a55e4 4182struct ufuncs {
24f81a43
DM		 4183 I32 (*uf_val)(pTHX_ IV, SV*);
4184 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 4185 IV uf_index;
450a55e4
LW		 4186};
4187
14befaf4 4188/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 4189 * XS code wanting to be backward compatible can do something
4190 * like the following:
c745e42c 4191
24f81a43 4192#ifndef PERL_MG_UFUNC
24f81a43
DM		 4193#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4194#endif
4195
4196static PERL_MG_UFUNC(foo_get, index, val)
4197{
4198 sv_setsv(val, ...);
4199 return TRUE;
4200}
4201
4202-- Doug MacEachern
4203
4204*/
4205
fc9c74e6 4206#ifndef PERL_MG_UFUNC
24f81a43 4207#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 4208#endif
24f81a43 4209
fe14fcc3 4210/* Fix these up for __STDC__ */
68dc0745 4211#ifndef DONT_DECLARE_STD
20ce7b12 4212char *mktemp (char*);
37bd1396 4213#ifndef atof
20ce7b12 4214double atof (const char*);
a0d0e21e 4215#endif
37bd1396 4216#endif
79072805 4217
352d5a3a 4218#ifndef STANDARD_C
fe14fcc3 4219/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 4220Time_t time();
8d063cd8 4221struct tm *gmtime(), *localtime();
043fec90 4222#if defined(OEMVS)
9d116dd7
JH		 4223char *(strchr)(), *(strrchr)();
4224char *(strcpy)(), *(strcat)();
4225#else
93a17b20 4226char *strchr(), *strrchr();
378cc40b 4227char *strcpy(), *strcat();
9d116dd7 4228#endif
352d5a3a 4229#endif /* ! STANDARD_C */
8d063cd8 4230
79072805
LW		 4231
4232#ifdef I_MATH
4233# include <math.h>
a80f53e7
CB		 4234# ifdef __VMS
4235 /* isfinite and others are here rather than in math.h as C99 stipulates */
4236# include <fp.h>
4237# endif
79072805 4238#else
32f822de 4239START_EXTERN_C
20ce7b12
GS		 4240 double exp (double);
4241 double log (double);
4242 double log10 (double);
4243 double sqrt (double);
4244 double frexp (double,int*);
4245 double ldexp (double,int);
4246 double modf (double,double*);
4247 double sin (double);
4248 double cos (double);
4249 double atan2 (double,double);
4250 double pow (double,double);
32f822de 4251END_EXTERN_C
79072805
LW		 4252#endif
4253
d074b8ed
JH		 4254#ifdef WIN32
4255# if !defined(NV_INF) && defined(HUGE_VAL)
4256# define NV_INF HUGE_VAL
4257# endif
5c682410
JH		 4258/* For WIN32 the best NV_NAN is the __PL_nan_u trick, see below.
4259 * There is no supported way of getting the NAN across all the crts. */
d074b8ed
JH		 4260#endif
4261
d1183257
JH		 4262/* If you are thinking of using HUGE_VAL for infinity, or using
4263 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
4264 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
4265 * and the math functions might be just generating DBL_MAX, or even
4266 * zero. */
4267
b4a3b1ad
JH		 4268#if !defined(NV_INF) && defined(USE_LONG_DOUBLE)
4269# if !defined(NV_INF) && defined(LDBL_INFINITY)
4270# define NV_INF LDBL_INFINITY
4271# endif
4272# if !defined(NV_INF) && defined(INFINITYL)
4273# define NV_INF INFINITYL
4274# endif
aa8b85de
JH		 4275#endif
4276#if !defined(NV_INF) && defined(DBL_INFINITY)
4277# define NV_INF (NV)DBL_INFINITY
4278#endif
4279#if !defined(NV_INF) && defined(INFINITY)
4280# define NV_INF (NV)INFINITY
4281#endif
4282#if !defined(NV_INF) && defined(INF)
4283# define NV_INF (NV)INF
4284#endif
a985cadd 4285#if !defined(NV_INF)
67aa9fab
JH		 4286# if INTSIZE == 4
4287/* At this point we assume the IEEE 754 floating point (and of course,
4288 * we also assume a floating point format that can encode an infinity).
4289 * We will coerce an int32 (which will encode the infinity) into
4290 * a 32-bit float, which will then be cast into NV.
4291 *
4292 * Note that we intentionally use a float and 32-bit int, instead of
4293 * shifting a small integer into a full IV, and from that into a full
4294 * NV, because:
4295 *
4296 * (1) an IV might not be wide enough to cover all the bits of an NV.
4297 * (2) the exponent part (including the infinity and nan bits) of a NV
4298 * might be wider than just 16 bits.
4299 *
4300 * Below the NV_NAN logic has similar __PL_nan_u fallback, the only
4301 * difference being the int32 constant being coerced. */
4302# define __PL_inf_float_int32 0x7F800000
4303static const union { unsigned int __i; float __f; } __PL_inf_u =
4304 { __PL_inf_float_int32 };
4305# define NV_INF ((NV)(__PL_inf_u.__f))
4306# endif
4307#endif
4308#if !defined(NV_INF)
d1183257 4309# define NV_INF ((NV)1.0/0.0) /* Some compilers will warn. */
aa8b85de
JH		 4310#endif
4311
4312#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4313# if !defined(NV_NAN) && defined(LDBL_NAN)
4314# define NV_NAN LDBL_NAN
4315# endif
b4a3b1ad
JH		 4316# if !defined(NV_NAN) && defined(NANL)
4317# define NV_NAN NANL
4318# endif
aa8b85de
JH		 4319# if !defined(NV_NAN) && defined(LDBL_QNAN)
4320# define NV_NAN LDBL_QNAN
4321# endif
4322# if !defined(NV_NAN) && defined(LDBL_SNAN)
4323# define NV_NAN LDBL_SNAN
4324# endif
4325#endif
4326#if !defined(NV_NAN) && defined(DBL_NAN)
4327# define NV_NAN (NV)DBL_NAN
4328#endif
4329#if !defined(NV_NAN) && defined(DBL_QNAN)
4330# define NV_NAN (NV)DBL_QNAN
4331#endif
4332#if !defined(NV_NAN) && defined(DBL_SNAN)
4333# define NV_NAN (NV)DBL_SNAN
4334#endif
aa8b85de
JH		 4335#if !defined(NV_NAN) && defined(NAN)
4336# define NV_NAN (NV)NAN
4337#endif
b4a3b1ad
JH		 4338#if !defined(NV_NAN) && defined(QNAN)
4339# define NV_NAN (NV)QNAN
4340#endif
a985cadd
JH		 4341#if !defined(NV_NAN) && defined(SNAN)
4342# define NV_NAN (NV)SNAN
4343#endif
67aa9fab
JH		 4344#if !defined(NV_NAN)
4345# if INTSIZE == 4
4346/* See the discussion near __PL_inf_u. */
4347# define __PL_nan_float_int32 0x7FC00000
4348static const union { unsigned int __i; float __f; } __PL_nan_u =
4349 { __PL_nan_float_int32 };
4350# define NV_NAN ((NV)(__PL_nan_u.__f))
4351# endif
4352#endif
4353#if !defined(NV_NAN)
d1183257 4354# define NV_NAN ((NV)0.0/0.0) /* Some compilers will warn. */
d074b8ed 4355#endif
5c682410
JH		 4356/* Do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
4357 * Though IEEE-754-logically correct, some compilers (like Visual C 2003)
4358 * falsely misoptimize that to zero (x-x is zero, right?) */
aa8b85de 4359
a0d0e21e 4360#ifndef __cplusplus
f05550c0 4361# if !defined(WIN32) && !defined(VMS)
10bc17b6 4362#ifndef crypt
20ce7b12 4363char *crypt (const char*, const char*);
10bc17b6 4364#endif
f05550c0 4365# endif /* !WIN32 */
26618a56
GS		 4366# ifndef DONT_DECLARE_STD
4367# ifndef getenv
20ce7b12 4368char *getenv (const char*);
26618a56 4369# endif /* !getenv */
739a0b84 4370# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 4371# ifdef _FILE_OFFSET_BITS
28ca6303 4372# if _FILE_OFFSET_BITS == 64
20ce7b12 4373Off_t lseek (int,Off_t,int);
0fc67700
JH		 4374# endif
4375# endif
bf0c440f 4376# endif
26618a56 4377# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 4378# ifndef WIN32
4379# ifndef getlogin
20ce7b12 4380char *getlogin (void);
e37d7e38
SH		 4381# endif
4382# endif /* !WIN32 */
26618a56 4383#endif /* !__cplusplus */
79072805 4384
7a7fd8e0
JM		 4385/* Fixme on VMS. This needs to be a run-time, not build time options */
4386/* Also rename() is affected by this */
16d20bd9 4387#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4388#define UNLINK unlnk
083639a9 4389I32 unlnk (pTHX_ const char*);
8d063cd8 4390#else
80252599 4391#define UNLINK PerlLIO_unlink
8d063cd8 4392#endif
a687059c 4393
fa0a29af
JH		 4394/* some versions of glibc are missing the setresuid() proto */
4395#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4396int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4397#endif
fa0a29af
JH		 4398/* some versions of glibc are missing the setresgid() proto */
4399#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4400int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4401#endif
4402
fe14fcc3 4403#ifndef HAS_SETREUID
85e6fe83
LW		 4404# ifdef HAS_SETRESUID
4405# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4406# define HAS_SETREUID
4407# endif
a687059c 4408#endif
fe14fcc3 4409#ifndef HAS_SETREGID
85e6fe83
LW		 4410# ifdef HAS_SETRESGID
4411# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4412# define HAS_SETREGID
4413# endif
a687059c 4414#endif
ee0007ab 4415
d543acb6 4416/* Sighandler_t defined in iperlsys.h */
ff68c719 4417
4418#ifdef HAS_SIGACTION
4419typedef struct sigaction Sigsave_t;
4420#else
4421typedef Sighandler_t Sigsave_t;
4422#endif
4423
ee0007ab
LW		 4424#define SCAN_DEF 0
4425#define SCAN_TR 1
4426#define SCAN_REPL 2
79072805
LW		 4427
4428#ifdef DEBUGGING
4633a7c4 4429# ifndef register
a0d0e21e
LW		 4430# define register
4431# endif
cea2e8a9 4432# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4433#else
cea2e8a9 4434# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4435#endif
4436
97cb92d6 4437#if defined(USE_PERLIO)
0934c9d9 4438EXTERN_C void PerlIO_teardown(void);
2f44961c 4439# ifdef USE_ITHREADS
6cb8cb21
RGS		 4440# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4441# define PERLIO_TERM \
4442 STMT_START { \
d0820ef1 4443 PerlIO_teardown(); \
6cb8cb21
RGS		 4444 MUTEX_DESTROY(&PL_perlio_mutex);\
4445 } STMT_END
4446# else
4447# define PERLIO_INIT
d0820ef1 4448# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4449# endif
6b29934b
NC		 4450#else
4451# define PERLIO_INIT
4452# define PERLIO_TERM
6cb8cb21
RGS		 4453#endif
4454
18f739ee 4455#ifdef MYMALLOC
772fe5b3 4456# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4457# define MALLOC_INIT \
4458 STMT_START { \
4459 PL_malloc_mutex = NULL; \
4460 MUTEX_INIT(&PL_malloc_mutex); \
4461 } STMT_END
4462# define MALLOC_TERM \
4463 STMT_START { \
4464 perl_mutex tmp = PL_malloc_mutex; \
4465 PL_malloc_mutex = NULL; \
4466 MUTEX_DESTROY(&tmp); \
4467 } STMT_END
4468# else
4469# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4470# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4471# endif
18f739ee
IZ		 4472#else
4473# define MALLOC_INIT
4474# define MALLOC_TERM
4475#endif
4476
cd1541b2 4477#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4478
4479struct perl_memory_debug_header;
cd1541b2
NC		 4480struct perl_memory_debug_header {
4481 tTHX interpreter;
b001a0d1 4482# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4483 MEM_SIZE size;
cd1541b2 4484# endif
7cb608b5
NC		 4485 struct perl_memory_debug_header *prev;
4486 struct perl_memory_debug_header *next;
b001a0d1
FC		 4487# ifdef PERL_DEBUG_READONLY_COW
4488 bool readonly;
4489# endif
4490};
4491
4492#elif defined(PERL_DEBUG_READONLY_COW)
4493
4494struct perl_memory_debug_header;
4495struct perl_memory_debug_header {
4496 MEM_SIZE size;
cd1541b2
NC		 4497};
4498
b001a0d1
FC		 4499#endif
4500
60175f94 4501#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4502
a78adc84
DM		 4503# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4504 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4505 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4506 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4507
d8fca402 4508#else
a78adc84 4509# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4510#endif
4511
7cb608b5 4512#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4513# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4514# define INIT_TRACK_MEMPOOL(header, interp) \
4515 STMT_START { \
4516 (header).interpreter = (interp); \
4517 (header).prev = (header).next = &(header); \
b001a0d1 4518 (header).readonly = 0; \
7cb608b5 4519 } STMT_END
b001a0d1
FC		 4520# else
4521# define INIT_TRACK_MEMPOOL(header, interp) \
4522 STMT_START { \
4523 (header).interpreter = (interp); \
4524 (header).prev = (header).next = &(header); \
4525 } STMT_END
4526# endif
4527# else
7cb608b5
NC		 4528# define INIT_TRACK_MEMPOOL(header, interp)
4529#endif
4530
1cd66f7c
DD		 4531#ifdef I_MALLOCMALLOC
4532/* Needed for malloc_size(), malloc_good_size() on some systems */
4533# include <malloc/malloc.h>
4534#endif
4535
ca7c1a29
NC		 4536#ifdef MYMALLOC
4537# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4538#else
b001a0d1 4539# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4540# ifdef PERL_TRACK_MEMPOOL
cfe52898 4541# define Perl_safesysmalloc_size(where) \
a78adc84 4542 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4543# else
4544# define Perl_safesysmalloc_size(where) malloc_size(where)
4545# endif
4546# endif
4547# ifdef HAS_MALLOC_GOOD_SIZE
4548# ifdef PERL_TRACK_MEMPOOL
d8fca402 4549# define Perl_malloc_good_size(how_much) \
a78adc84 4550 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4551# else
4552# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4553# endif
4554# else
d8fca402
NC		 4555/* Having this as the identity operation makes some code simpler. */
4556# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4557# endif
ca7c1a29 4558#endif
b6d9d515 4559
16c91539
BM		 4560typedef int (*runops_proc_t)(pTHX);
4561typedef void (*share_proc_t) (pTHX_ SV *sv);
4562typedef int (*thrhook_proc_t) (pTHX);
4563typedef OP* (*PPADDR_t[]) (pTHX);
4564typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4565typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4566
f05550c0
BF		 4567#if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4568# include <crt_externs.h> /* for the env array */
4569# define environ (*_NSGetEnviron())
8f1f23e8
W		 4570#else
4571 /* VMS and some other platforms don't use the environ array */
13b6e58c 4572# ifdef USE_ENVIRON_ARRAY
a6c40364 4573# if !defined(DONT_DECLARE_STD) || \
bdea967c 4574 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4575 defined(__sgi)
8f1f23e8 4576extern char ** environ; /* environment variables supplied via exec */
a6c40364 4577# endif
8f1f23e8
W		 4578# endif
4579#endif
79072805 4580
457c5385
NC		 4581#define PERL_PATCHLEVEL_H_IMPLICIT
4582#include "patchlevel.h"
4583#undef PERL_PATCHLEVEL_H_IMPLICIT
4584
4585#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4586 STRINGIFY(PERL_VERSION) "." \
4587 STRINGIFY(PERL_SUBVERSION)
4588
4589#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4590 STRINGIFY(PERL_API_VERSION) "." \
4591 STRINGIFY(PERL_API_SUBVERSION)
4592
73c4f7a1
GS		 4593START_EXTERN_C
4594
79072805 4595/* handy constants */
22c35a8c 4596EXTCONST char PL_warn_uninit[]
29489e7c 4597 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4598EXTCONST char PL_warn_uninit_sv[]
61608bb7 4599 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4600EXTCONST char PL_warn_nosemi[]
463ee0b2 4601 INIT("Semicolon seems to be missing");
22c35a8c 4602EXTCONST char PL_warn_reserved[]
463ee0b2 4603 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4604EXTCONST char PL_warn_nl[]
93a17b20 4605 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4606EXTCONST char PL_no_wrongref[]
a0d0e21e 4607 INIT("Can't use %s ref as %s ref");
fedf30e1 4608/* The core no longer needs this here. If you require the string constant,
def89bff 4609 please inline a copy into your own code. */
973a7615
NC		 4610EXTCONST char PL_no_symref[] __attribute__deprecated__
4611 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
fedf30e1
DM		 4612EXTCONST char PL_no_symref_sv[]
4613 INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
4614
22c35a8c 4615EXTCONST char PL_no_usym[]
8990e307 4616 INIT("Can't use an undefined value as %s reference");
22c35a8c 4617EXTCONST char PL_no_aelem[]
93a17b20 4618 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4619EXTCONST char PL_no_helem_sv[]
61608bb7 4620 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4621EXTCONST char PL_no_modify[]
93a17b20 4622 INIT("Modification of a read-only value attempted");
4cbe3a7d 4623EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4624 INIT("Out of memory!\n");
22c35a8c 4625EXTCONST char PL_no_security[]
463ee0b2 4626 INIT("Insecure dependency in %s%s");
22c35a8c 4627EXTCONST char PL_no_sock_func[]
93a17b20 4628 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4629EXTCONST char PL_no_dir_func[]
93a17b20 4630 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4631EXTCONST char PL_no_func[]
93a17b20 4632 INIT("The %s function is unimplemented");
22c35a8c 4633EXTCONST char PL_no_myglob[]
a21eb52b 4634 INIT("\"%s\" %se %s can't be in a package");
82d03984
RGS		 4635EXTCONST char PL_no_localize_ref[]
4636 INIT("Can't localize through a reference");
27d5b266
JH		 4637EXTCONST char PL_memory_wrap[]
4638 INIT("panic: memory wrap");
93a17b20 4639
58f645e2
NC		 4640EXTCONST char PL_Yes[]
4641 INIT("1");
4642EXTCONST char PL_No[]
4643 INIT("");
4644EXTCONST char PL_hexdigit[]
4645 INIT("0123456789abcdef0123456789ABCDEF");
4646
0447859b
NC		 4647/* This is constant on most architectures, a global on OS/2 */
4648#ifndef OS2
4649EXTCONST char PL_sh_path[]
4650 INIT(SH_PATH); /* full path of shell */
4651#endif
4652
618b9757
NC		 4653#ifdef CSH
4654EXTCONST char PL_cshname[]
4655 INIT(CSH);
4656# define PL_cshlen (sizeof(CSH "") - 1)
4657#endif
4658
457c5385
NC		 4659/* These are baked at compile time into any shared perl library.
4660 In future releases this will allow us in main() to sanity test the
4661 library we're linking against. */
4662
4663EXTCONST U8 PL_revision
4664 INIT(PERL_REVISION);
4665EXTCONST U8 PL_version
4666 INIT(PERL_VERSION);
4667EXTCONST U8 PL_subversion
4668 INIT(PERL_SUBVERSION);
4669
7575fa06 4670EXTCONST char PL_uuemap[65]
80252599
GS		 4671 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4672
79072805 4673#ifdef DOINIT
9444d213 4674EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4675# ifdef PERL_MICRO
4676# include "uuudmap.h"
4677# else
4678# include "uudmap.h"
4679# endif
9444d213 4680;
efa50c51 4681EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4682# ifdef PERL_MICRO
4683# include "ubitcount.h"
4684#else
4685# include "bitcount.h"
4686# endif
efa50c51 4687;
27da23d5
JH		 4688EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4689EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4690#else
9444d213 4691EXTCONST char PL_uudmap[256];
efa50c51 4692EXTCONST char PL_bitcount[256];
27da23d5
JH		 4693EXTCONST char* const PL_sig_name[];
4694EXTCONST int PL_sig_num[];
79072805
LW		 4695#endif
4696
6d8e7a01
KW		 4697/* fast conversion and case folding tables. The folding tables complement the
4698 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4699 * folds such as outside the range or to multiple characters. */
bbce6d69 4700
79072805 4701#ifdef DOINIT
d02f4dad
KW		 4702#ifndef EBCDIC
4703
4704/* The EBCDIC fold table depends on the code page, and hence is found in
4705 * utfebcdic.h */
4706
22c35a8c 4707EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4708 0, 1, 2, 3, 4, 5, 6, 7,
4709 8, 9, 10, 11, 12, 13, 14, 15,
4710 16, 17, 18, 19, 20, 21, 22, 23,
4711 24, 25, 26, 27, 28, 29, 30, 31,
4712 32, 33, 34, 35, 36, 37, 38, 39,
4713 40, 41, 42, 43, 44, 45, 46, 47,
4714 48, 49, 50, 51, 52, 53, 54, 55,
4715 56, 57, 58, 59, 60, 61, 62, 63,
4716 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4717 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4718 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4719 'x', 'y', 'z', 91, 92, 93, 94, 95,
4720 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4721 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4722 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4723 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4724 128, 129, 130, 131, 132, 133, 134, 135,
4725 136, 137, 138, 139, 140, 141, 142, 143,
4726 144, 145, 146, 147, 148, 149, 150, 151,
4727 152, 153, 154, 155, 156, 157, 158, 159,
4728 160, 161, 162, 163, 164, 165, 166, 167,
4729 168, 169, 170, 171, 172, 173, 174, 175,
4730 176, 177, 178, 179, 180, 181, 182, 183,
4731 184, 185, 186, 187, 188, 189, 190, 191,
4732 192, 193, 194, 195, 196, 197, 198, 199,
4733 200, 201, 202, 203, 204, 205, 206, 207,
4734 208, 209, 210, 211, 212, 213, 214, 215,
4735 216, 217, 218, 219, 220, 221, 222, 223,
4736 224, 225, 226, 227, 228, 229, 230, 231,
4737 232, 233, 234, 235, 236, 237, 238, 239,
4738 240, 241, 242, 243, 244, 245, 246, 247,
4739 248, 249, 250, 251, 252, 253, 254, 255
4740};
3871f40b
KW		 4741EXTCONST unsigned char PL_fold_latin1[] = {
4742 /* Full latin1 complement folding, except for three problematic code points:
4743 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4744 * fold complements outside the Latin1 range, so can't match something
4745 * that isn't in utf8.
4746 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4747 * not one, so can't be represented in this table.
4748 *
4749 * All have to be specially handled */
4750 0, 1, 2, 3, 4, 5, 6, 7,
4751 8, 9, 10, 11, 12, 13, 14, 15,
4752 16, 17, 18, 19, 20, 21, 22, 23,
4753 24, 25, 26, 27, 28, 29, 30, 31,
4754 32, 33, 34, 35, 36, 37, 38, 39,
4755 40, 41, 42, 43, 44, 45, 46, 47,
4756 48, 49, 50, 51, 52, 53, 54, 55,
4757 56, 57, 58, 59, 60, 61, 62, 63,
4758 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4759 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4760 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4761 'x', 'y', 'z', 91, 92, 93, 94, 95,
4762 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4763 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4764 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4765 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4766 128, 129, 130, 131, 132, 133, 134, 135,
4767 136, 137, 138, 139, 140, 141, 142, 143,
4768 144, 145, 146, 147, 148, 149, 150, 151,
4769 152, 153, 154, 155, 156, 157, 158, 159,
4770 160, 161, 162, 163, 164, 165, 166, 167,
4771 168, 169, 170, 171, 172, 173, 174, 175,
4772 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4773 184, 185, 186, 187, 188, 189, 190, 191,
4774 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4775 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4776 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4777 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4778 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4779 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4780 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4781 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4782 255 /* y with diaeresis */
4783};
00f254e2
KW		 4784
4785/* If these tables are accessed through ebcdic, the access will be converted to
4786 * latin1 first */
4787EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4788 0, 1, 2, 3, 4, 5, 6, 7,
4789 8, 9, 10, 11, 12, 13, 14, 15,
4790 16, 17, 18, 19, 20, 21, 22, 23,
4791 24, 25, 26, 27, 28, 29, 30, 31,
4792 32, 33, 34, 35, 36, 37, 38, 39,
4793 40, 41, 42, 43, 44, 45, 46, 47,
4794 48, 49, 50, 51, 52, 53, 54, 55,
4795 56, 57, 58, 59, 60, 61, 62, 63,
4796 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4797 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4798 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4799 'x', 'y', 'z', 91, 92, 93, 94, 95,
4800 96, 97, 98, 99, 100, 101, 102, 103,
4801 104, 105, 106, 107, 108, 109, 110, 111,
4802 112, 113, 114, 115, 116, 117, 118, 119,
4803 120, 121, 122, 123, 124, 125, 126, 127,
4804 128, 129, 130, 131, 132, 133, 134, 135,
4805 136, 137, 138, 139, 140, 141, 142, 143,
4806 144, 145, 146, 147, 148, 149, 150, 151,
4807 152, 153, 154, 155, 156, 157, 158, 159,
4808 160, 161, 162, 163, 164, 165, 166, 167,
4809 168, 169, 170, 171, 172, 173, 174, 175,
4810 176, 177, 178, 179, 180, 181, 182, 183,
4811 184, 185, 186, 187, 188, 189, 190, 191,
4812 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4813 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4814 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4815 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4816 224, 225, 226, 227, 228, 229, 230, 231,
4817 232, 233, 234, 235, 236, 237, 238, 239,
4818 240, 241, 242, 243, 244, 245, 246, 247,
4819 248, 249, 250, 251, 252, 253, 254, 255
4820};
4821
4822/* upper and title case of latin1 characters, modified so that the three tricky
4823 * ones are mapped to 255 (which is one of the three) */
4824EXTCONST unsigned char PL_mod_latin1_uc[] = {
4825 0, 1, 2, 3, 4, 5, 6, 7,
4826 8, 9, 10, 11, 12, 13, 14, 15,
4827 16, 17, 18, 19, 20, 21, 22, 23,
4828 24, 25, 26, 27, 28, 29, 30, 31,
4829 32, 33, 34, 35, 36, 37, 38, 39,
4830 40, 41, 42, 43, 44, 45, 46, 47,
4831 48, 49, 50, 51, 52, 53, 54, 55,
4832 56, 57, 58, 59, 60, 61, 62, 63,
4833 64, 65, 66, 67, 68, 69, 70, 71,
4834 72, 73, 74, 75, 76, 77, 78, 79,
4835 80, 81, 82, 83, 84, 85, 86, 87,
4836 88, 89, 90, 91, 92, 93, 94, 95,
4837 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4838 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4839 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4840 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4841 128, 129, 130, 131, 132, 133, 134, 135,
4842 136, 137, 138, 139, 140, 141, 142, 143,
4843 144, 145, 146, 147, 148, 149, 150, 151,
4844 152, 153, 154, 155, 156, 157, 158, 159,
4845 160, 161, 162, 163, 164, 165, 166, 167,
4846 168, 169, 170, 171, 172, 173, 174, 175,
4847 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4848 184, 185, 186, 187, 188, 189, 190, 191,
4849 192, 193, 194, 195, 196, 197, 198, 199,
4850 200, 201, 202, 203, 204, 205, 206, 207,
4851 208, 209, 210, 211, 212, 213, 214, 215,
4852 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4853 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4854 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4855 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4856 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4857};
1248eb9d 4858#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4859#else /* ! DOINIT */
1248eb9d 4860# ifndef EBCDIC
22c35a8c 4861EXTCONST unsigned char PL_fold[];
3871f40b 4862EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4863EXTCONST unsigned char PL_mod_latin1_uc[];
4864EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4865# endif
79072805
LW		 4866#endif
4867
27da23d5 4868#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4869#ifdef DOINIT
27da23d5 4870EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4871 0, 1, 2, 3, 4, 5, 6, 7,
4872 8, 9, 10, 11, 12, 13, 14, 15,
4873 16, 17, 18, 19, 20, 21, 22, 23,
4874 24, 25, 26, 27, 28, 29, 30, 31,
4875 32, 33, 34, 35, 36, 37, 38, 39,
4876 40, 41, 42, 43, 44, 45, 46, 47,
4877 48, 49, 50, 51, 52, 53, 54, 55,
4878 56, 57, 58, 59, 60, 61, 62, 63,
4879 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4880 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4881 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4882 'x', 'y', 'z', 91, 92, 93, 94, 95,
4883 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4884 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4885 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4886 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4887 128, 129, 130, 131, 132, 133, 134, 135,
4888 136, 137, 138, 139, 140, 141, 142, 143,
4889 144, 145, 146, 147, 148, 149, 150, 151,
4890 152, 153, 154, 155, 156, 157, 158, 159,
4891 160, 161, 162, 163, 164, 165, 166, 167,
4892 168, 169, 170, 171, 172, 173, 174, 175,
4893 176, 177, 178, 179, 180, 181, 182, 183,
4894 184, 185, 186, 187, 188, 189, 190, 191,
4895 192, 193, 194, 195, 196, 197, 198, 199,
4896 200, 201, 202, 203, 204, 205, 206, 207,
4897 208, 209, 210, 211, 212, 213, 214, 215,
4898 216, 217, 218, 219, 220, 221, 222, 223,
4899 224, 225, 226, 227, 228, 229, 230, 231,
4900 232, 233, 234, 235, 236, 237, 238, 239,
4901 240, 241, 242, 243, 244, 245, 246, 247,
4902 248, 249, 250, 251, 252, 253, 254, 255
4903};
4904#else
27da23d5 4905EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4906#endif
27da23d5 4907#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4908
4909#ifdef DOINIT
9d116dd7 4910#ifdef EBCDIC
27da23d5 4911EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4912 1, 2, 84, 151, 154, 155, 156, 157,
4913 165, 246, 250, 3, 158, 7, 18, 29,
4914 40, 51, 62, 73, 85, 96, 107, 118,
4915 129, 140, 147, 148, 149, 150, 152, 153,
4916 255, 6, 8, 9, 10, 11, 12, 13,
4917 14, 15, 24, 25, 26, 27, 28, 226,
4918 29, 30, 31, 32, 33, 43, 44, 45,
4919 46, 47, 48, 49, 50, 76, 77, 78,
4920 79, 80, 81, 82, 83, 84, 85, 86,
4921 87, 94, 95, 234, 181, 233, 187, 190,
4922 180, 96, 97, 98, 99, 100, 101, 102,
4923 104, 112, 182, 174, 236, 232, 229, 103,
4924 228, 226, 114, 115, 116, 117, 118, 119,
4925 120, 121, 122, 235, 176, 230, 194, 162,
4926 130, 131, 132, 133, 134, 135, 136, 137,
4927 138, 139, 201, 205, 163, 217, 220, 224,
4928 5, 248, 227, 244, 242, 255, 241, 231,
4929 240, 253, 16, 197, 19, 20, 21, 187,
4930 23, 169, 210, 245, 237, 249, 247, 239,
4931 168, 252, 34, 196, 36, 37, 38, 39,
4932 41, 42, 251, 254, 238, 223, 221, 213,
4933 225, 177, 52, 53, 54, 55, 56, 57,
4934 58, 59, 60, 61, 63, 64, 65, 66,
4935 67, 68, 69, 70, 71, 72, 74, 75,
4936 205, 208, 186, 202, 200, 218, 198, 179,
4937 178, 214, 88, 89, 90, 91, 92, 93,
4938 217, 166, 170, 207, 199, 209, 206, 204,
4939 160, 212, 105, 106, 108, 109, 110, 111,
4940 203, 113, 216, 215, 192, 175, 193, 243,
4941 172, 161, 123, 124, 125, 126, 127, 128,
4942 222, 219, 211, 195, 188, 193, 185, 184,
4943 191, 183, 141, 142, 143, 144, 145, 146
4944};
4945#else /* ascii rather than ebcdic */
22c35a8c 4946EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4947 1, 2, 84, 151, 154, 155, 156, 157,
4948 165, 246, 250, 3, 158, 7, 18, 29,
4949 40, 51, 62, 73, 85, 96, 107, 118,
4950 129, 140, 147, 148, 149, 150, 152, 153,
4951 255, 182, 224, 205, 174, 176, 180, 217,
4952 233, 232, 236, 187, 235, 228, 234, 226,
4953 222, 219, 211, 195, 188, 193, 185, 184,
4954 191, 183, 201, 229, 181, 220, 194, 162,
4955 163, 208, 186, 202, 200, 218, 198, 179,
4956 178, 214, 166, 170, 207, 199, 209, 206,
4957 204, 160, 212, 216, 215, 192, 175, 173,
4958 243, 172, 161, 190, 203, 189, 164, 230,
4959 167, 248, 227, 244, 242, 255, 241, 231,
4960 240, 253, 169, 210, 245, 237, 249, 247,
4961 239, 168, 252, 251, 254, 238, 223, 221,
4962 213, 225, 177, 197, 171, 196, 159, 4,
4963 5, 6, 8, 9, 10, 11, 12, 13,
4964 14, 15, 16, 17, 19, 20, 21, 22,
4965 23, 24, 25, 26, 27, 28, 30, 31,
4966 32, 33, 34, 35, 36, 37, 38, 39,
4967 41, 42, 43, 44, 45, 46, 47, 48,
4968 49, 50, 52, 53, 54, 55, 56, 57,
4969 58, 59, 60, 61, 63, 64, 65, 66,
4970 67, 68, 69, 70, 71, 72, 74, 75,
4971 76, 77, 78, 79, 80, 81, 82, 83,
4972 86, 87, 88, 89, 90, 91, 92, 93,
4973 94, 95, 97, 98, 99, 100, 101, 102,
4974 103, 104, 105, 106, 108, 109, 110, 111,
4975 112, 113, 114, 115, 116, 117, 119, 120,
4976 121, 122, 123, 124, 125, 126, 127, 128,
4977 130, 131, 132, 133, 134, 135, 136, 137,
4978 138, 139, 141, 142, 143, 144, 145, 146
4979};
9d116dd7 4980#endif
79072805 4981#else
22c35a8c 4982EXTCONST unsigned char PL_freq[];
79072805
LW		 4983#endif
4984
b0812ba3
DM		 4985/* Although only used for debugging, these constants must be available in
4986 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4987 * which has DEBUGGING enabled always */
8990e307 4988#ifdef DOINIT
27da23d5 4989EXTCONST char* const PL_block_type[] = {
8990e307 4990 "NULL",
d01136d6 4991 "WHEN",
8990e307 4992 "BLOCK",
0d863452 4993 "GIVEN",
d01136d6
BS		 4994 "LOOP_FOR",
4995 "LOOP_PLAIN",
4996 "LOOP_LAZYSV",
4997 "LOOP_LAZYIV",
76753e7f
NC		 4998 "SUB",
4999 "FORMAT",
5000 "EVAL",
5001 "SUBST"
8990e307
LW		 5002};
5003#else
22c35a8c 5004EXTCONST char* PL_block_type[];
8990e307 5005#endif
8990e307 5006
b75885fd
NC		 5007/* These are all the compile time options that affect binary compatibility.
5008 Other compile time options that are binary compatible are in perl.c
5009 Both are combined for the output of perl -V
5010 However, this string will be embedded in any shared perl library, which will
5011 allow us add a comparison check in perlmain.c in the near future. */
5012#ifdef DOINIT
5013EXTCONST char PL_bincompat_options[] =
5014# ifdef DEBUG_LEAKING_SCALARS
5015 " DEBUG_LEAKING_SCALARS"
5016# endif
5017# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
5018 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
5019# endif
eba804b9
NC		 5020# ifdef FCRYPT
5021 " FCRYPT"
5022# endif
5023# ifdef HAS_TIMES
5024 " HAS_TIMES"
5025# endif
5026# ifdef HAVE_INTERP_INTERN
426f6eb2 5027 " HAVE_INTERP_INTERN"
eba804b9 5028# endif
b75885fd
NC		 5029# ifdef MULTIPLICITY
5030 " MULTIPLICITY"
5031# endif
5032# ifdef MYMALLOC
5033 " MYMALLOC"
5034# endif
eba804b9
NC		 5035# ifdef PERLIO_LAYERS
5036 " PERLIO_LAYERS"
5037# endif
cb26ef7a
MB		 5038# ifdef PERL_DEBUG_READONLY_COW
5039 " PERL_DEBUG_READONLY_COW"
5040# endif
b75885fd
NC		 5041# ifdef PERL_DEBUG_READONLY_OPS
5042 " PERL_DEBUG_READONLY_OPS"
5043# endif
5044# ifdef PERL_GLOBAL_STRUCT
5045 " PERL_GLOBAL_STRUCT"
5046# endif
59dba841
JH		 5047# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5048 " PERL_GLOBAL_STRUCT_PRIVATE"
5049# endif
b75885fd
NC		 5050# ifdef PERL_IMPLICIT_CONTEXT
5051 " PERL_IMPLICIT_CONTEXT"
5052# endif
5053# ifdef PERL_IMPLICIT_SYS
5054 " PERL_IMPLICIT_SYS"
5055# endif
eba804b9
NC		 5056# ifdef PERL_MICRO
5057 " PERL_MICRO"
5058# endif
b75885fd
NC		 5059# ifdef PERL_NEED_APPCTX
5060 " PERL_NEED_APPCTX"
5061# endif
5062# ifdef PERL_NEED_TIMESBASE
5063 " PERL_NEED_TIMESBASE"
5064# endif
5065# ifdef PERL_OLD_COPY_ON_WRITE
5066 " PERL_OLD_COPY_ON_WRITE"
5067# endif
5068# ifdef PERL_POISON
5069 " PERL_POISON"
5070# endif
5b50f57e
FC		 5071# ifdef PERL_SAWAMPERSAND
5072 " PERL_SAWAMPERSAND"
5073# endif
b75885fd
NC		 5074# ifdef PERL_TRACK_MEMPOOL
5075 " PERL_TRACK_MEMPOOL"
5076# endif
5077# ifdef PERL_USES_PL_PIDSTATUS
5078 " PERL_USES_PL_PIDSTATUS"
5079# endif
b75885fd
NC		 5080# ifdef USE_64_BIT_ALL
5081 " USE_64_BIT_ALL"
5082# endif
5083# ifdef USE_64_BIT_INT
5084 " USE_64_BIT_INT"
5085# endif
c7b392fa
NC		 5086# ifdef USE_IEEE
5087 " USE_IEEE"
5088# endif
b75885fd
NC		 5089# ifdef USE_ITHREADS
5090 " USE_ITHREADS"
5091# endif
5092# ifdef USE_LARGE_FILES
5093 " USE_LARGE_FILES"
5094# endif
eba804b9
NC		 5095# ifdef USE_LOCALE_COLLATE
5096 " USE_LOCALE_COLLATE"
5097# endif
5098# ifdef USE_LOCALE_NUMERIC
5099 " USE_LOCALE_NUMERIC"
5100# endif
56e45410
KW		 5101# ifdef USE_LOCALE_TIME
5102 " USE_LOCALE_TIME"
5103# endif
b75885fd
NC		 5104# ifdef USE_LONG_DOUBLE
5105 " USE_LONG_DOUBLE"
5106# endif
5107# ifdef USE_PERLIO
5108 " USE_PERLIO"
5109# endif
05b4a618
JH		 5110# ifdef USE_QUADMATH
5111 " USE_QUADMATH"
5112# endif
b75885fd
NC		 5113# ifdef USE_REENTRANT_API
5114 " USE_REENTRANT_API"
5115# endif
b75885fd
NC		 5116# ifdef USE_SOCKS
5117 " USE_SOCKS"
5118# endif
4f575702
CB		 5119# ifdef VMS_DO_SOCKETS
5120 " VMS_DO_SOCKETS"
4f575702 5121# endif
e8b231c6
CB		 5122# ifdef VMS_SHORTEN_LONG_SYMBOLS
5123 " VMS_SHORTEN_LONG_SYMBOLS"
5124# endif
ad5e438d
NC		 5125# ifdef VMS_WE_ARE_CASE_SENSITIVE
5126 " VMS_SYMBOL_CASE_AS_IS"
5127# endif
a68dd89e 5128 "";
b75885fd
NC		 5129#else
5130EXTCONST char PL_bincompat_options[];
5131#endif
5132
ca7b837b
SM		 5133#ifndef PERL_SET_PHASE
5134# define PERL_SET_PHASE(new_phase) \
cb3f8189 5135 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 5136 PL_phase = new_phase;
5137#endif
5138
9ebf26ad
FR		 5139/* The interpreter phases. If these ever change, PL_phase_names right below will
5140 * need to be updated accordingly. */
5141enum perl_phase {
5142 PERL_PHASE_CONSTRUCT = 0,
5143 PERL_PHASE_START = 1,
5144 PERL_PHASE_CHECK = 2,
5145 PERL_PHASE_INIT = 3,
5146 PERL_PHASE_RUN = 4,
5147 PERL_PHASE_END = 5,
5148 PERL_PHASE_DESTRUCT = 6
5149};
5150
5151#ifdef DOINIT
5152EXTCONST char *const PL_phase_names[] = {
5153 "CONSTRUCT",
5154 "START",
5155 "CHECK",
5156 "INIT",
5157 "RUN",
5158 "END",
5159 "DESTRUCT"
5160};
5161#else
5162EXTCONST char *const PL_phase_names[];
5163#endif
5164
627364f1
FR		 5165#ifndef PERL_CORE
5166/* Do not use this macro. It only exists for extensions that rely on PL_dirty
5167 * instead of using the newer PL_phase, which provides everything PL_dirty
5168 * provided, and more. */
5169# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 5170
5171# define PL_amagic_generation PL_na
627364f1
FR		 5172#endif /* !PERL_CORE */
5173
823ac2c8
FC		 5174#define PL_hints PL_compiling.cop_hints
5175
73c4f7a1
GS		 5176END_EXTERN_C
5177
79072805
LW		 5178/*****************************************************************************/
5179/* This lexer/parser stuff is currently global since yacc is hard to reenter */
5180/*****************************************************************************/
8990e307 5181/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 5182
d4c3c482 5183#ifdef __Lynx__
9cffb111
OS		 5184/* LynxOS defines these in scsi.h which is included via ioctl.h */
5185#ifdef FORMAT
5186#undef FORMAT
5187#endif
5188#ifdef SPACE
5189#undef SPACE
5190#endif
d4c3c482 5191#endif
9cffb111 5192
fb73857a 5193#define LEX_NOTPARSING 11 /* borrowed from toke.c */
5194
79072805
LW		 5195typedef enum {
5196 XOPERATOR,
5197 XTERM,
79072805 5198 XREF,
8990e307 5199 XSTATE,
a0d0e21e 5200 XBLOCK,
09bef843
SB		 5201 XATTRBLOCK,
5202 XATTRTERM,
6f33ba73 5203 XTERMBLOCK,
b5b6210a 5204 XBLOCKTERM,
89f35911 5205 XPOSTDEREF,
6f33ba73 5206 XTERMORDORDOR /* evil hack */
27308ded 5207 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 5208} expectation;
5209
d5ec2987
NC		 5210/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
5211 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 5212 However, bitops store HINT_INTEGER in their op_private.
5213
5214 NOTE: The typical module using these has the bit value hard-coded, so don't
d6ded950
KW		 5215 blindly change the values of these.
5216
5217 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
5218 is for "use locale 'FOO'" which excludes some categories. It requires going
5219 to %^H to find out which are in and which are out. This could be extended
5220 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
5221 any locale form. */
9cfe5470
RGS		 5222#define HINT_INTEGER 0x00000001 /* integer pragma */
5223#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
5224#define HINT_LOCALE 0x00000004 /* locale pragma */
5225#define HINT_BYTES 0x00000008 /* bytes pragma */
d6ded950 5226#define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
894ea76b
FC		 5227
5228#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
5229#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
5230#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 5231
5232#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 5233#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
5234#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 5235#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 5236
9cfe5470 5237/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 5238#define HINT_NEW_INTEGER 0x00001000
5239#define HINT_NEW_FLOAT 0x00002000
5240#define HINT_NEW_BINARY 0x00004000
5241#define HINT_NEW_STRING 0x00008000
5242#define HINT_NEW_RE 0x00010000
5243#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 5244#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
5245#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 5246
9cfe5470
RGS		 5247#define HINT_RE_TAINT 0x00100000 /* re pragma */
5248#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 5249
9cfe5470
RGS		 5250#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
5251#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 5252
e46c382e
YK		 5253#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
5254
1e215989
FC		 5255#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
5256
a803b9b4
FC		 5257#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
5258
15da1ccf
FC		 5259 /* Note: Used for HINT_M_VMSISH_*,
5260 currently defined by vms/vmsish.h:
894ea76b
FC		 5261 0x40000000
5262 0x80000000
5263 */
d1718a7c 5264
0239f47c 5265/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 5266#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
5267#define HINT_SORT_QUICKSORT 0x00000001
5268#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 5269#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 5270
d3b97530
DM		 5271/* flags for PL_sawampersand */
5272
5273#define SAWAMPERSAND_LEFT 1 /* saw $` */
5274#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5275#define SAWAMPERSAND_RIGHT 4 /* saw $' */
5276
1a904fc8
FC		 5277#ifndef PERL_SAWAMPERSAND
5278# define PL_sawampersand \
5279 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5280#endif
5281
a6d69523
TC		 5282/* Used for debugvar magic */
5283#define DBVARMG_SINGLE 0
5284#define DBVARMG_TRACE 1
5285#define DBVARMG_SIGNAL 2
5286#define DBVARMG_COUNT 3
5287
5288#define PL_DBsingle_iv (PL_DBcontrol[DBVARMG_SINGLE])
5289#define PL_DBtrace_iv (PL_DBcontrol[DBVARMG_TRACE])
5290#define PL_DBsignal_iv (PL_DBcontrol[DBVARMG_SIGNAL])
5291
8bfdd7d9 5292/* Various states of the input record separator SV (rs) */
d4cce5f1 5293#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 5294#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5295#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 5296#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 5297
128e8167 5298/* A struct for keeping various DEBUGGING related stuff,
ce333219 5299 * neatly packed. Currently only scratch variables for
128e8167
JH		 5300 * constructing debug output are included. Needed always,
5301 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 5302struct perl_debug_pad {
5303 SV pad[3];
5304};
5305
5306#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 5307#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5308 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5309 PERL_DEBUG_PAD(i))
ce333219 5310
56953603 5311/* Enable variables which are pointers to functions */
16c91539
BM		 5312typedef void (*peep_t)(pTHX_ OP* o);
5313typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5314typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 5315 char* strend, char* strbeg, I32 minend,
5316 SV* screamer, void* data, U32 flags);
16c91539 5317typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 5318 char *strpos, char *strend,
5319 U32 flags,
9f61653a 5320 re_scream_pos_data *d);
16c91539
BM		 5321typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5322typedef void (*regfree_t) (pTHX_ struct regexp* r);
5323typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 5324typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 5325
c76ac1ee 5326typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 5327typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 5328typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 5329typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 5330typedef void (*XSINIT_t) (pTHX);
5331typedef void (*ATEXIT_t) (pTHX_ void*);
5332typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 5333
16c91539
BM		 5334typedef OP* (*Perl_ppaddr_t)(pTHX);
5335typedef OP* (*Perl_check_t) (pTHX_ OP*);
5336typedef void(*Perl_ophook_t)(pTHX_ OP*);
5337typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 5338typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 5339
d67594ff
FC		 5340typedef void(*globhook_t)(pTHX);
5341
88e1f1a2
JV		 5342#define KEYWORD_PLUGIN_DECLINE 0
5343#define KEYWORD_PLUGIN_STMT 1
5344#define KEYWORD_PLUGIN_EXPR 2
22239a37 5345
58a50f62
GS		 5346/* Interpreter exitlist entry */
5347typedef struct exitlistentry {
acfe0abc 5348 void (*fn) (pTHX_ void*);
58a50f62
GS		 5349 void *ptr;
5350} PerlExitListEntry;
5351
aadb217d
JH		 5352/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5353/* These have to be before perlvars.h */
5354#if !defined(HAS_SIGACTION) && defined(VMS)
5355# define FAKE_PERSISTENT_SIGNAL_HANDLERS
5356#endif
5357/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5358#if defined(KILL_BY_SIGPRC)
5359# define FAKE_DEFAULT_SIGNAL_HANDLERS
5360#endif
5361
8c1cc017
NC		 5362#if !defined(MULTIPLICITY)
5363
5364struct interpreter {
5365 char broiled;
22239a37
NIS		 5366};
5367
8c1cc017 5368#else
22239a37 5369
d460ef45 5370/* If we have multiple interpreters define a struct
d4cce5f1 5371 holding variables which must be per-interpreter
d460ef45 5372 If we don't have threads anything that would have
d4cce5f1
NIS		 5373 be per-thread is per-interpreter.
5374*/
5375
8c1cc017 5376/* Set up PERLVAR macros for populating structs */
115ff745 5377# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 5378
5379/* 'var' is an array of length 'n' */
115ff745 5380# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 5381
5382/* initialize 'var' to init' */
115ff745 5383# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 5384
5385/* like PERLVARI, but make 'var' a const */
115ff745 5386# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 5387
79072805 5388struct interpreter {
7766f137 5389# include "intrpvar.h"
49f531da 5390};
d4cce5f1 5391
724cf8d6
NC		 5392EXTCONST U16 PL_interp_size
5393 INIT(sizeof(struct interpreter));
5394
5395# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5396 STRUCT_OFFSET(struct interpreter, member) + \
5397 sizeof(((struct interpreter*)0)->member)
5398
5399/* This will be useful for subsequent releases, because this has to be the
5400 same in your libperl as in main(), else you have a mismatch and must abort.
5401*/
d399cf59
NC		 5402EXTCONST U16 PL_interp_size_5_18_0
5403 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 5404
5405
8c1cc017
NC		 5406# ifdef PERL_GLOBAL_STRUCT
5407/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5408 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5409
5410struct perl_vars {
5411# include "perlvars.h"
49f531da 5412};
8c1cc017 5413
724cf8d6
NC		 5414EXTCONST U16 PL_global_struct_size
5415 INIT(sizeof(struct perl_vars));
5416
8c1cc017
NC		 5417# ifdef PERL_CORE
5418# ifndef PERL_GLOBAL_STRUCT_PRIVATE
5419EXT struct perl_vars PL_Vars;
5420EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5421# undef PERL_GET_VARS
5422# define PERL_GET_VARS() PL_VarsPtr
5423# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5424# else /* PERL_CORE */
5425# if !defined(__GNUC__) || !defined(WIN32)
5426EXT
5427# endif /* WIN32 */
5428struct perl_vars *PL_VarsPtr;
5429# define PL_Vars (*((PL_VarsPtr) \
5430 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5431# endif /* PERL_CORE */
5432# endif /* PERL_GLOBAL_STRUCT */
79072805 5433
22239a37 5434/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5435# undef PERLVAR
5436# undef PERLVARA
5437# undef PERLVARI
5438# undef PERLVARIC
8c1cc017
NC		 5439
5440#endif /* MULTIPLICITY */
79072805 5441
f7fe979e 5442struct tempsym; /* defined in pp_pack.c */
49704364 5443
22239a37 5444#include "thread.h"
79072805 5445#include "pp.h"
864dbfa3
GS		 5446
5447#ifndef PERL_CALLCONV
a0c21aa1
JH		 5448# ifdef __cplusplus
5449# define PERL_CALLCONV extern "C"
5450# else
5451# define PERL_CALLCONV
5452# endif
d460ef45 5453#endif
12a2785c
DD		 5454#ifndef PERL_CALLCONV_NO_RET
5455# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5456#endif
5457
98c015b7
DD		 5458/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5459 dont have a noreturn as a declaration specifier
5460*/
5461#ifndef PERL_STATIC_NO_RET
5462# define PERL_STATIC_NO_RET STATIC
5463#endif
5464/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5465 builds that dont have a noreturn as a declaration specifier
5466*/
5467#ifndef PERL_STATIC_INLINE_NO_RET
5468# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5469#endif
5470
5471
0cb96387
GS		 5472#undef PERL_CKDEF
5473#undef PERL_PPDEF
0159f81b
JH		 5474#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5475#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5476
158cfab6
JD		 5477#ifdef MYMALLOC
5478# include "malloc_ctl.h"
5479#endif
5480
7766f137 5481#include "proto.h"
864dbfa3 5482
0cb96387 5483/* this has structure inits, so it cannot be included before here */
acfe0abc 5484#include "opcode.h"
864dbfa3 5485
d4cce5f1
NIS		 5486/* The following must follow proto.h as #defines mess up syntax */
5487
22c35a8c
GS		 5488#if !defined(PERL_FOR_X2P)
5489# include "embedvar.h"
5490#endif
d4cce5f1 5491
d460ef45 5492/* Now include all the 'global' variables
d4cce5f1 5493 * If we don't have threads or multiple interpreters
d460ef45 5494 * these include variables that would have been their struct-s
d4cce5f1 5495 */
d460ef45 5496
115ff745
NC		 5497#define PERLVAR(prefix,var,type) EXT type PL_##var;
5498#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5499#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5500#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5501
acfe0abc 5502#if !defined(MULTIPLICITY)
7766f137 5503START_EXTERN_C
066ef5b5 5504# include "intrpvar.h"
7766f137 5505END_EXTERN_C
22239a37
NIS		 5506#endif
5507
24792b8d
NC		 5508#ifdef PERL_CORE
5509/* All core uses now exterminated. Ensure no zombies can return: */
5510# undef PL_na
5511#endif
5512
f9293c5b
NC		 5513/* Now all the config stuff is setup we can include embed.h
5514 In particular, need the relevant *ish file included already, as it may
5515 define HAVE_INTERP_INTERN */
5516#include "embed.h"
22239a37 5517
c5be433b
GS		 5518#ifndef PERL_GLOBAL_STRUCT
5519START_EXTERN_C
5520
5521# include "perlvars.h"
5522
5523END_EXTERN_C
5524#endif
5525
d4cce5f1 5526#undef PERLVAR
51371543 5527#undef PERLVARA
d4cce5f1 5528#undef PERLVARI
0f3f18a6 5529#undef PERLVARIC
79072805 5530
db6e00bd
DD		 5531#if !defined(MULTIPLICITY)
5532/* Set up PERLVAR macros for populating structs */
5533# define PERLVAR(prefix,var,type) type prefix##var;
5534/* 'var' is an array of length 'n' */
5535# define PERLVARA(prefix,var,n,type) type prefix##var[n];
5536/* initialize 'var' to init' */
5537# define PERLVARI(prefix,var,type,init) type prefix##var;
5538/* like PERLVARI, but make 'var' a const */
5539# define PERLVARIC(prefix,var,type,init) type prefix##var;
5540
5541/* this is never instantiated, is it just used for sizeof(struct PerlHandShakeInterpreter) */
5542struct PerlHandShakeInterpreter {
5543# include "intrpvar.h"
5544};
5545# undef PERLVAR
5546# undef PERLVARA
5547# undef PERLVARI
5548# undef PERLVARIC
5549#endif
5550
73c4f7a1
GS		 5551START_EXTERN_C
5552
af2f0da9
NC		 5553/* dummy variables that hold pointers to both runops functions, thus forcing
5554 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5555
5556EXTCONST runops_proc_t PL_runops_std
5557 INIT(Perl_runops_standard);
5558EXTCONST runops_proc_t PL_runops_dbg
5559 INIT(Perl_runops_debug);
5560
bc028b6b
JH		 5561/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5562 * magic vtables const, but this is incompatible with SWIG which
5563 * does want to modify the vtables. */
5564#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5565# define EXT_MGVTBL EXTCONST MGVTBL
5566#else
5567# define EXT_MGVTBL EXT MGVTBL
5568#endif
5569
82ff486e 5570#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5571#define PERL_MAGIC_VALUE_MAGIC 0x80
5572#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5573#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5574 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5575#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5576 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5577
8b09643d 5578#include "mg_vtable.h"
6f83ef0e
NC		 5579
5580#ifdef DOINIT
5581EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5582# ifdef PERL_MICRO
5583# include "umg_data.h"
5584# else
5585# include "mg_data.h"
5586# endif
6f83ef0e
NC		 5587;
5588#else
5589EXTCONST U8 PL_magic_data[256];
5590#endif
5591
f1fb8741 5592#ifdef DOINIT
e94d9b54 5593 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5594EXTCONST bool
e94d9b54 5595PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5596EXTCONST bool
e94d9b54 5597PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5598EXTCONST bool
d361b004 5599PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5600EXTCONST bool
e94d9b54 5601PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5602EXTCONST bool
e94d9b54 5603PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5604EXTCONST bool
e94d9b54 5605PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5606
5607#else
5608
5609EXTCONST bool PL_valid_types_IVX[];
5610EXTCONST bool PL_valid_types_NVX[];
5611EXTCONST bool PL_valid_types_PVX[];
5612EXTCONST bool PL_valid_types_RV[];
5613EXTCONST bool PL_valid_types_IV_set[];
5614EXTCONST bool PL_valid_types_NV_set[];
5615
5616#endif
5617
cf6e31e9
DM		 5618
5619/* if these never got defined, they need defaults */
5620#ifndef PERL_SET_CONTEXT
5621# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5622#endif
5623
5624#ifndef PERL_GET_CONTEXT
5625# define PERL_GET_CONTEXT PERL_GET_INTERP
5626#endif
5627
5628#ifndef PERL_GET_THX
5629# define PERL_GET_THX ((void*)NULL)
5630#endif
5631
5632#ifndef PERL_SET_THX
5633# define PERL_SET_THX(t) NOOP
5634#endif
5635
5636
c7627e6d
NC		 5637#ifndef PERL_NO_INLINE_FUNCTIONS
5638/* Static inline funcs that depend on includes and declarations above.
5639 Some of these reference functions in the perl object files, and some
5640 compilers aren't smart enough to eliminate unused static inline
5641 functions, so including this file in source code can cause link errors
5642 even if the source code uses none of the functions. Hence including these
5643 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5644 (obviously) result in unworkable XS code, but allows simple probing code
5645 to continue to work, because it permits tests to include the perl headers
5646 for definitions without creating a link dependency on the perl library
5647 (which may not exist yet).
5648*/
5649
5650# include "inline.h"
5651#endif
f1fb8741 5652
bab3dc31 5653#include "overload.h"
a0d0e21e 5654
73c4f7a1
GS		 5655END_EXTERN_C
5656
a6006777 5657struct am_table {
8978b4ac
NC		 5658 U8 flags;
5659 U8 fallback;
5660 U16 spare;
eb160463 5661 U32 was_ok_sub;
9bd87817 5662 CV* table[NofAMmeth];
a0d0e21e 5663};
a6006777 5664struct am_table_short {
8978b4ac
NC		 5665 U8 flags;
5666 U8 fallback;
5667 U16 spare;
eb160463 5668 U32 was_ok_sub;
a6006777 5669};
a0d0e21e 5670typedef struct am_table AMT;
a6006777 5671typedef struct am_table_short AMTS;
a0d0e21e
LW		 5672
5673#define AMGfallNEVER 1
5674#define AMGfallNO 2
5675#define AMGfallYES 3
5676
a6006777 5677#define AMTf_AMAGIC 1
5678#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5679#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5680#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5681
32251b26 5682#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5683
5684/*
5685 * some compilers like to redefine cos et alia as faster
5686 * (and less accurate?) versions called F_cos et cetera (Quidquid
5687 * latine dictum sit, altum viditur.) This trick collides with
5688 * the Perl overloading (amg). The following #defines fool both.
5689 */
5690
5691#ifdef _FASTMATH
5692# ifdef atan2
5693# define F_atan2_amg atan2_amg
5694# endif
5695# ifdef cos
5696# define F_cos_amg cos_amg
5697# endif
5698# ifdef exp
5699# define F_exp_amg exp_amg
5700# endif
5701# ifdef log
5702# define F_log_amg log_amg
5703# endif
5704# ifdef pow
5705# define F_pow_amg pow_amg
5706# endif
5707# ifdef sin
5708# define F_sin_amg sin_amg
5709# endif
5710# ifdef sqrt
5711# define F_sqrt_amg sqrt_amg
5712# endif
5713#endif /* _FASTMATH */
5714
83ee9e09
GS		 5715#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5716 PERLDBf_NOOPT | PERLDBf_INTER | \
5717 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5718 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5719 PERLDBf_SAVESRC)
925cfbb8 5720 /* No _NONAME, _GOTO */
83ee9e09
GS		 5721#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5722#define PERLDBf_LINE 0x02 /* Keep line # */
5723#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5724#define PERLDBf_INTER 0x08 /* Preserve more data for
5725 later inspections */
5726#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5727#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5728#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5729#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5730#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5731#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5732#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5733#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5734#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5735
8bd38399
DD		 5736#define PERLDB_SUB (PL_perldb & PERLDBf_SUB)
5737#define PERLDB_LINE (PL_perldb & PERLDBf_LINE)
5738#define PERLDB_NOOPT (PL_perldb & PERLDBf_NOOPT)
5739#define PERLDB_INTER (PL_perldb & PERLDBf_INTER)
5740#define PERLDB_SUBLINE (PL_perldb & PERLDBf_SUBLINE)
5741#define PERLDB_SINGLE (PL_perldb & PERLDBf_SINGLE)
5742#define PERLDB_SUB_NN (PL_perldb & PERLDBf_NONAME)
5743#define PERLDB_GOTO (PL_perldb & PERLDBf_GOTO)
5744#define PERLDB_NAMEEVAL (PL_perldb & PERLDBf_NAMEEVAL)
5745#define PERLDB_NAMEANON (PL_perldb & PERLDBf_NAMEANON)
5746#define PERLDB_SAVESRC (PL_perldb & PERLDBf_SAVESRC)
5747#define PERLDB_SAVESRC_NOSUBS (PL_perldb & PERLDBf_SAVESRC_NOSUBS)
5748#define PERLDB_SAVESRC_INVALID (PL_perldb & PERLDBf_SAVESRC_INVALID)
bbce6d69 5749
91191cf7 5750#ifdef USE_LOCALE
d6ded950 5751/* These locale things are all subject to change */
c8bf5ca7 5752/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5753 */
6d62ead0 5754# define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5755
c8bf5ca7 5756/* Returns TRUE if either form of the locale pragma is in effect */
6d62ead0 5757# define IN_SOME_LOCALE_FORM_RUNTIME \
d6ded950 5758 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
66cbab2c 5759
6d62ead0
KW		 5760# define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5761# define IN_SOME_LOCALE_FORM_COMPILETIME \
d6ded950 5762 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
2de3dbcc 5763
6d62ead0 5764# define IN_LOCALE \
923e4eb5 5765 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
6d62ead0 5766# define IN_SOME_LOCALE_FORM \
66cbab2c
KW		 5767 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5768 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5769
6d62ead0
KW		 5770# define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5771# define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5772
5773# define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5774# define IN_LC_PARTIAL_RUNTIME \
5775 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5776
5777# define IN_LC_COMPILETIME(category) \
5778 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5779 && _is_in_locale_category(TRUE, (category))))
5780# define IN_LC_RUNTIME(category) \
5781 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5782 && _is_in_locale_category(FALSE, (category))))
5783# define IN_LC(category) \
5784 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
d6ded950 5785
91191cf7
KW		 5786#else /* No locale usage */
5787# define IN_LOCALE_RUNTIME 0
5788# define IN_SOME_LOCALE_FORM_RUNTIME 0
5789# define IN_LOCALE_COMPILETIME 0
5790# define IN_SOME_LOCALE_FORM_COMPILETIME 0
5791# define IN_LOCALE 0
5792# define IN_SOME_LOCALE_FORM 0
5793# define IN_LC_ALL_COMPILETIME 0
5794# define IN_LC_ALL_RUNTIME 0
5795# define IN_LC_PARTIAL_COMPILETIME 0
5796# define IN_LC_PARTIAL_RUNTIME 0
5797# define IN_LC_COMPILETIME(category) 0
5798# define IN_LC_RUNTIME(category) 0
5799# define IN_LC(category) 0
5800#endif
5801
6bf09f55
KW		 5802#ifdef USE_LOCALE_NUMERIC
5803
8a11fac9
KW		 5804/* These macros are for toggling between the underlying locale (LOCAL) and the
5805 * C locale. */
5806
5807/* The first set makes sure that the locale is set to C unless within a 'use
5808 * locale's scope; otherwise to the default locale. A function pointer is
5809 * used, which can be declared separately by
5810 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5811 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5812 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5813 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5814 * these were called */
5815
aaaeb297 5816#define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
7738054c
KW		 5817
5818/* We can lock the category to stay in the C locale, making requests to the
5819 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5820#define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
aaaeb297 5821
8a11fac9
KW		 5822#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5823 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5824
5825#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
d6ded950 5826 if (IN_LC(LC_NUMERIC)) { \
aaaeb297
KW		 5827 if (_NOT_IN_NUMERIC_LOCAL) { \
5828 set_numeric_local(); \
8a11fac9
KW		 5829 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5830 } \
5831 } \
5832 else { \
aaaeb297 5833 if (_NOT_IN_NUMERIC_STANDARD) { \
8a11fac9
KW		 5834 SET_NUMERIC_STANDARD(); \
5835 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5836 } \
5837 }
5838
5839#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5840 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5841 STORE_LC_NUMERIC_SET_TO_NEEDED();
5842
5843#define RESTORE_LC_NUMERIC() \
5844 if (_restore_LC_NUMERIC_function) { \
5845 _restore_LC_NUMERIC_function(aTHX); \
5846 }
5847
5848/* The next two macros set unconditionally. These should be rarely used, and
5849 * only after being sure that this is what is needed */
8d98ede7 5850#define SET_NUMERIC_STANDARD() \
aaaeb297 5851 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
8d98ede7 5852 } STMT_END
87755cd9 5853
8d98ede7 5854#define SET_NUMERIC_LOCAL() \
aaaeb297
KW		 5855 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5856 set_numeric_local(); } STMT_END
87755cd9 5857
8a11fac9
KW		 5858/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5859 * the RESTORE_foo ones called to switch back, but only if need be */
aaaeb297
KW		 5860#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5861 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5862 if (_was_local) set_numeric_standard();
f93f4e46 5863
b34856cb
KW		 5864/* Doesn't change to underlying locale unless within the scope of some form of
5865 * 'use locale'. This is the usual desired behavior. */
aaaeb297
KW		 5866#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5867 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5868 && IN_LC(LC_NUMERIC); \
5869 if (_was_standard) set_numeric_local();
f93f4e46 5870
371d5d44
KW		 5871/* Rarely, we want to change to the underlying locale even outside of 'use
5872 * locale'. This is principally in the POSIX:: functions */
aaaeb297
KW		 5873#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5874 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5875 if (_was_standard) set_numeric_local();
371d5d44 5876
7738054c
KW		 5877/* Lock to the C locale until unlock is called */
5878#define LOCK_NUMERIC_STANDARD() \
5879 (__ASSERT_(PL_numeric_standard) \
5880 PL_numeric_standard = 2)
5881
5882#define UNLOCK_NUMERIC_STANDARD() \
5883 (__ASSERT_(PL_numeric_standard == 2) \
5884 PL_numeric_standard = 1)
5885
f93f4e46 5886#define RESTORE_NUMERIC_LOCAL() \
aaaeb297 5887 if (_was_local) set_numeric_local();
f93f4e46
CK		 5888
5889#define RESTORE_NUMERIC_STANDARD() \
aaaeb297 5890 if (_was_standard) SET_NUMERIC_STANDARD();
f93f4e46 5891
5b877257 5892#define Atof my_atof
097ee67d 5893
36477c24 5894#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5895
097ee67d
JH		 5896#define SET_NUMERIC_STANDARD() /**/
5897#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5898#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5899#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5900#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
8a11fac9 5901#define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
097ee67d
JH		 5902#define RESTORE_NUMERIC_LOCAL() /**/
5903#define RESTORE_NUMERIC_STANDARD() /**/
8a11fac9
KW		 5904#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5905#define STORE_LC_NUMERIC_SET_TO_NEEDED()
5906#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5907#define RESTORE_LC_NUMERIC()
130c5df3
KW		 5908#define LOCK_NUMERIC_STANDARD()
5909#define UNLOCK_NUMERIC_STANDARD()
8a11fac9 5910
2cdc7fd1 5911#define Atof my_atof
bbce6d69 5912
36477c24 5913#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5914
05b4a618
JH		 5915#ifdef USE_QUADMATH
5916# define Perl_strtod(s, e) strtoflt128(s, e)
5917#elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
f1b32d61
JH		 5918# if defined(HAS_STRTOLD)
5919# define Perl_strtod(s, e) strtold(s, e)
5920# elif defined(HAS_STRTOD)
5921# define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
5922# endif
5923#elif defined(HAS_STRTOD)
5924# define Perl_strtod(s, e) strtod(s, e)
5925#endif
5926
85b76970
SH		 5927#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5928 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5929# ifdef __hpux
5930# define strtoll __strtoll /* secret handshake */
5931# endif
c623ac67
GS		 5932# ifdef WIN64
5933# define strtoll _strtoi64 /* secret handshake */
5934# endif
079290de
GS		 5935# if !defined(Strtol) && defined(HAS_STRTOLL)
5936# define Strtol strtoll
ad551343 5937# endif
28e5dec8
JH		 5938# if !defined(Strtol) && defined(HAS_STRTOQ)
5939# define Strtol strtoq
5940# endif
ff935051 5941/* is there atoq() anywhere? */
15b99d39 5942#endif
079290de
GS		 5943#if !defined(Strtol) && defined(HAS_STRTOL)
5944# define Strtol strtol
5945#endif
5946#ifndef Atol
5947/* It would be more fashionable to use Strtol() to define atol()
5948 * (as is done for Atoul(), see below) but for backward compatibility
5949 * we just assume atol(). */
85b76970
SH		 5950# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5951 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5952# ifdef WIN64
5953# define atoll _atoi64 /* secret handshake */
5954# endif
76b882ba
JH		 5955# define Atol atoll
5956# else
5957# define Atol atol
5958# endif
cf2093f6
JH		 5959#endif
5960
85b76970
SH		 5961#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5962 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5963# ifdef __hpux
5964# define strtoull __strtoull /* secret handshake */
5965# endif
c623ac67
GS		 5966# ifdef WIN64
5967# define strtoull _strtoui64 /* secret handshake */
5968# endif
ad551343 5969# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5970# define Strtoul strtoull
15b99d39 5971# endif
079290de
GS		 5972# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5973# define Strtoul strtouq
5974# endif
76d49b1c 5975/* is there atouq() anywhere? */
ad551343 5976#endif
079290de
GS		 5977#if !defined(Strtoul) && defined(HAS_STRTOUL)
5978# define Strtoul strtoul
cf2093f6 5979#endif
a5523c5b
JH		 5980#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5981# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5982#endif
079290de 5983#ifndef Atoul
d4c19fe8 5984# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5985#endif
cf2093f6 5986
a868473f
NIS		 5987#ifndef PERL_SCRIPT_MODE
5988#define PERL_SCRIPT_MODE "r"
5989#endif
5990
fba3b22e 5991/*
da927450
JH		 5992 * Some operating systems are stingy with stack allocation,
5993 * so perl may have to guard against stack overflow.
5994 */
5995#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5996#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5997#endif
5998
5999/*
6000 * Some nonpreemptive operating systems find it convenient to
6001 * check for asynchronous conditions after each op execution.
6002 * Keep this check simple, or it may slow down execution
6003 * massively.
6004 */
ce08f86c 6005
1d615522 6006#ifndef PERL_MICRO
4ffa73a3 6007# ifndef PERL_ASYNC_CHECK
5d9574c1 6008# define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
4ffa73a3 6009# endif
ce08f86c
NIS		 6010#endif
6011
da927450 6012#ifndef PERL_ASYNC_CHECK
1d615522 6013# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 6014#endif
6015
6016/*
6017 * On some operating systems, a memory allocation may succeed,
6018 * but put the process too close to the system's comfort limit.
6019 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
6020 * it to NULL.
6021 */
6022#ifndef PERL_ALLOC_CHECK
c2af87cb 6023#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 6024#endif
6025
bd89102f
AD		 6026#ifdef HAS_SEM
6027# include <sys/ipc.h>
6028# include <sys/sem.h>
6029# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
6030 union semun {
dbba660d
TC		 6031 int val;
6032 struct semid_ds *buf;
6033 unsigned short *array;
bd89102f
AD		 6034 };
6035# endif
6036# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 6037# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
6038 union gccbug_semun {
6039 int val;
6040 struct semid_ds *buf;
6041 unsigned short *array;
6042 char __dummy[5];
6043 };
6044# define semun gccbug_semun
6045# endif
bd89102f
AD		 6046# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
6047# else
6048# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 6049# ifdef EXTRA_F_IN_SEMUN_BUF
6050# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
6051# else
6052# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
6053# endif
bd89102f
AD		 6054# endif
6055# endif
bd89102f 6056#endif
49f531da 6057
89ca4ac7
JH		 6058/*
6059 * Boilerplate macros for initializing and accessing interpreter-local
6060 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 6061 * this, if you want to make the extension thread-safe. See
6062 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
6063 * and perlxs.pod for more.
89ca4ac7
JH		 6064 *
6065 * Code that uses these macros is responsible for the following:
43a739c2
JH		 6066 * 1. #define MY_CXT_KEY to a unique string, e.g.
6067 * "DynaLoader::_guts" XS_VERSION
f16dd614 6068 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 6069 * 2. Declare a typedef named my_cxt_t that is a structure that contains
6070 * all the data that needs to be interpreter-local.
6071 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
6072 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
6073 * (typically put in the BOOT: section).
6074 * 5. Use the members of the my_cxt_t structure everywhere as
6075 * MY_CXT.member.
6076 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
6077 * access MY_CXT.
6078 */
6079
fc958cd2 6080#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 6081
4eddb856 6082/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 6083 * right after the definition (i.e. at file scope). The non-threads
6084 * case below uses it to declare the data as static. */
00ab59c9
DM		 6085# ifdef PERL_GLOBAL_STRUCT_PRIVATE
6086# define START_MY_CXT
6087# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
6088# define MY_CXT_INIT_ARG MY_CXT_KEY
6089# else
6090# define START_MY_CXT static int my_cxt_index = -1;
6091# define MY_CXT_INDEX my_cxt_index
6092# define MY_CXT_INIT_ARG &my_cxt_index
6093# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 6094
6095/* Creates and zeroes the per-interpreter data.
6096 * (We allocate my_cxtp in a Perl SV so that it will be released when
6097 * the interpreter goes away.) */
00ab59c9 6098# define MY_CXT_INIT \
53d44271 6099 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6100 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6101 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 6102# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 6103 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6104 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6105 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 6106
6107/* This declaration should be used within all functions that use the
6108 * interpreter-local data. */
00ab59c9 6109# define dMY_CXT \
53d44271 6110 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 6111# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 6112 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
6113
6114/* Clones the per-interpreter data. */
00ab59c9 6115# define MY_CXT_CLONE \
53d44271
JH		 6116 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
6117 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
6118 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
6119
53d44271 6120
89ca4ac7 6121/* This macro must be used to access members of the my_cxt_t structure.
870598ae 6122 * e.g. MY_CXT.some_data */
00ab59c9 6123# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 6124
6125/* Judicious use of these macros can reduce the number of times dMY_CXT
6126 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 6127# define pMY_CXT my_cxt_t *my_cxtp
6128# define pMY_CXT_ pMY_CXT,
6129# define _pMY_CXT ,pMY_CXT
6130# define aMY_CXT my_cxtp
6131# define aMY_CXT_ aMY_CXT,
6132# define _aMY_CXT ,aMY_CXT
89ca4ac7 6133
f16dd614 6134#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 6135
00ab59c9
DM		 6136# define START_MY_CXT static my_cxt_t my_cxt;
6137# define dMY_CXT_SV dNOOP
6138# define dMY_CXT dNOOP
6139# define dMY_CXT_INTERP(my_perl) dNOOP
6140# define MY_CXT_INIT NOOP
6141# define MY_CXT_CLONE NOOP
6142# define MY_CXT my_cxt
6143
6144# define pMY_CXT void
6145# define pMY_CXT_
6146# define _pMY_CXT
6147# define aMY_CXT
6148# define aMY_CXT_
6149# define _aMY_CXT
89ca4ac7 6150
f16dd614 6151#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 6152
9a34ef1d
GS		 6153#ifdef I_FCNTL
6154# include <fcntl.h>
9a34ef1d
GS		 6155#endif
6156
9cffb111
OS		 6157#ifdef __Lynx__
6158# include <fcntl.h>
6159#endif
6160
9a34ef1d
GS		 6161#ifdef I_SYS_FILE
6162# include <sys/file.h>
6163#endif
6164
fa0a29af 6165#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 6166int flock(int fd, int op);
6167#endif
6168
fe52b3b7
GS		 6169#ifndef O_RDONLY
6170/* Assume UNIX defaults */
6171# define O_RDONLY 0000
6172# define O_WRONLY 0001
6173# define O_RDWR 0002
6174# define O_CREAT 0100
6175#endif
9a34ef1d 6176
16fe6d59
GS		 6177#ifndef O_BINARY
6178# define O_BINARY 0
6179#endif
6180
6181#ifndef O_TEXT
6182# define O_TEXT 0
6183#endif
6184
6ce75a77 6185#if O_TEXT != O_BINARY
38d96942 6186 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6ce75a77 6187 * that is, you are somehow DOSish. */
b6c36746
NC		 6188# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
6189 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
6190 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 6191 /* VOS has O_TEXT != O_BINARY, and they have effect,
6192 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 6193 /* If you have O_TEXT different from your O_BINARY but you still are
6194 * not a CRLF shop. */
35990314 6195# undef PERLIO_USING_CRLF
ec53fe4f
JH		 6196# else
6197 /* If you really are DOSish. */
6198# define PERLIO_USING_CRLF 1
6ce75a77
JH		 6199# endif
6200#endif
6201
4bc88a62
PS		 6202#ifdef I_LIBUTIL
6203# include <libutil.h> /* setproctitle() in some FreeBSDs */
6204#endif
6205
b4748376 6206#ifndef EXEC_ARGV_CAST
360ea906 6207#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 6208#endif
6209
dd5dc04f
JH		 6210#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
6211 int). value returned in pointed-
6212 to UV */
6213#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
6214#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
6215#define IS_NUMBER_NEG 0x08 /* leading minus sign */
6216#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 6217#define IS_NUMBER_NAN 0x20 /* this is not */
3f7602fa 6218#define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
dd5dc04f
JH		 6219
6220#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6221
53305cf1
NC		 6222/* Input flags: */
6223#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 6224#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 6225#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 6226#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6227 numbers which are <= UV_MAX */
3f7602fa
TC		 6228#define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6229 and set IS_NUMBER_TRAILING */
6230
53305cf1
NC		 6231/* Output flags: */
6232#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6233
2c4f7f0e
DM		 6234/* to let user control profiling */
6235#ifdef PERL_GPROF_CONTROL
6236extern void moncontrol(int);
6237#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6238#else
6239#define PERL_GPROF_MONCONTROL(x)
6240#endif
6241
ae0e3d3b
JH		 6242#ifdef UNDER_CE
6243#include "wince.h"
6244#endif
6245
6246/* ISO 6429 NEL - C1 control NExt Line */
6247/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 6248#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 6249
6250/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
6251#define UNICODE_LINE_SEPA_0 0xE2
6252#define UNICODE_LINE_SEPA_1 0x80
6253#define UNICODE_LINE_SEPA_2 0xA8
6254#define UNICODE_PARA_SEPA_0 0xE2
6255#define UNICODE_PARA_SEPA_1 0x80
6256#define UNICODE_PARA_SEPA_2 0xA9
6257
479b2847
GS		 6258#ifndef PIPESOCK_MODE
6259# define PIPESOCK_MODE
6260#endif
6261
460c8493
IZ		 6262#ifndef SOCKET_OPEN_MODE
6263# define SOCKET_OPEN_MODE PIPESOCK_MODE
6264#endif
6265
6266#ifndef PIPE_OPEN_MODE
6267# define PIPE_OPEN_MODE PIPESOCK_MODE
6268#endif
6269
7e8c5dac
HS		 6270#define PERL_MAGIC_UTF8_CACHESIZE 2
6271
a05d7ebb
JH		 6272#define PERL_UNICODE_STDIN_FLAG 0x0001
6273#define PERL_UNICODE_STDOUT_FLAG 0x0002
6274#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 6275#define PERL_UNICODE_IN_FLAG 0x0008
6276#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 6277#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 6278#define PERL_UNICODE_LOCALE_FLAG 0x0040
6279#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 6280#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 6281
06e66572
JH		 6282#define PERL_UNICODE_STD_FLAG \
6283 (PERL_UNICODE_STDIN_FLAG | \
6284 PERL_UNICODE_STDOUT_FLAG | \
6285 PERL_UNICODE_STDERR_FLAG)
6286
6287#define PERL_UNICODE_INOUT_FLAG \
6288 (PERL_UNICODE_IN_FLAG | \
6289 PERL_UNICODE_OUT_FLAG)
6290
6291#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 6292 (PERL_UNICODE_STD_FLAG | \
6293 PERL_UNICODE_INOUT_FLAG | \
6294 PERL_UNICODE_LOCALE_FLAG)
6295
5a22a2bb 6296#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 6297
6298#define PERL_UNICODE_STDIN 'I'
6299#define PERL_UNICODE_STDOUT 'O'
6300#define PERL_UNICODE_STDERR 'E'
6301#define PERL_UNICODE_STD 'S'
6302#define PERL_UNICODE_IN 'i'
6303#define PERL_UNICODE_OUT 'o'
6304#define PERL_UNICODE_INOUT 'D'
6305#define PERL_UNICODE_ARGV 'A'
6306#define PERL_UNICODE_LOCALE 'L'
6307#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6308#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6309
4ffa73a3
JH		 6310#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6311
32fdb065 6312/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6313 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6314#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6315
3c0f78ca
JH		 6316#if defined(__DECC) && defined(__osf__)
6317#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6318#endif
6319
e4dba786
NC		 6320#define do_open(g, n, l, a, rm, rp, sf) \
6321 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6322#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6323# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6324#endif
15871fce
NC		 6325#ifdef OS2
6326# define do_aexec Perl_do_aexec
6327#else
6328# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6329#endif
e4dba786 6330
c8028aa6
TC		 6331/* check embedded \0 characters in pathnames passed to syscalls,
6332 but allow one ending \0 */
41188aa0 6333#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 6334
41188aa0 6335#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 6336
2f3efc97
JH		 6337#if defined(OEMVS)
6338#define NO_ENV_ARRAY_IN_MAIN
6339#endif
6340
00f254e2
KW		 6341/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6342 * are here so that they are available throughout the core
10edeb5d
JH		 6343 * NOTE that even though some are for _escape and some for _pretty
6344 * there must not be any clashes as the flags from _pretty are
6345 * passed straight through to _escape.
6346 */
6347
4420a417 6348#define PERL_PV_ESCAPE_QUOTE 0x000001
10edeb5d
JH		 6349#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6350
4420a417
YO		 6351#define PERL_PV_PRETTY_ELLIPSES 0x000002
6352#define PERL_PV_PRETTY_LTGT 0x000004
6353#define PERL_PV_PRETTY_EXACTSIZE 0x000008
10edeb5d 6354
4420a417
YO		 6355#define PERL_PV_ESCAPE_UNI 0x000100
6356#define PERL_PV_ESCAPE_UNI_DETECT 0x000200
6357#define PERL_PV_ESCAPE_NONASCII 0x000400
6358#define PERL_PV_ESCAPE_FIRSTCHAR 0x000800
10edeb5d 6359
4420a417
YO		 6360#define PERL_PV_ESCAPE_ALL 0x001000
6361#define PERL_PV_ESCAPE_NOBACKSLASH 0x002000
6362#define PERL_PV_ESCAPE_NOCLEAR 0x004000
6363#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6364#define PERL_PV_ESCAPE_RE 0x008000
10edeb5d 6365
4420a417 6366#define PERL_PV_ESCAPE_DWIM 0x010000
0eb335df 6367
881a015e 6368
10edeb5d 6369/* used by pv_display in dump.c*/
95b611b0 6370#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 6371#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 6372
6373/*
6374
6375 (KEEP THIS LAST IN perl.h!)
6376
6377 Mention
d460ef45 6378
43999f95 6379 NV_PRESERVES_UV
fe749a9f 6380
fe749a9f
JH		 6381 HAS_MKSTEMP
6382 HAS_MKSTEMPS
6383 HAS_MKDTEMP
6384
49dabb45
JH		 6385 HAS_GETCWD
6386
d59b5429 6387 HAS_MMAP
fe749a9f
JH		 6388 HAS_MPROTECT
6389 HAS_MSYNC
1e8c3fde 6390 HAS_MADVISE
fe749a9f
JH		 6391 HAS_MUNMAP
6392 I_SYSMMAN
6393 Mmap_t
6394
6b4667fc
A		 6395 NVef
6396 NVff
6397 NVgf
6398
4e0554ec 6399 HAS_UALARM
2d736872 6400 HAS_USLEEP
4e0554ec
JH		 6401
6402 HAS_SETITIMER
6403 HAS_GETITIMER
6404
6405 HAS_SENDMSG
6406 HAS_RECVMSG
6407 HAS_READV
6408 HAS_WRITEV
6409 I_SYSUIO
6410 HAS_STRUCT_MSGHDR
6411 HAS_STRUCT_CMSGHDR
6412
2765b840 6413 HAS_NL_LANGINFO
0a7020c9 6414
ae0e3d3b 6415 HAS_DIRFD
2765b840 6416
10edeb5d 6417 so that Configure picks them up.
ab3bbdeb 6418
10edeb5d 6419 (KEEP THIS LAST IN perl.h!)
3df15adc 6420
10edeb5d 6421*/
3df15adc 6422
85e6fe83 6423#endif /* Include guard */
e9a8c099
MHM		 6424
6425/*
6426 * Local variables:
6427 * c-indentation-style: bsd
6428 * c-basic-offset: 4
14d04a33 6429 * indent-tabs-mode: nil
e9a8c099
MHM		 6430 * End:
6431 *
14d04a33 6432 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 6433 */
Unnamed repository; edit this file 'description' to name the repository.