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a0d0e21e 1/* perl.h
a687059c 2 *
1129b882 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
5cd3f21a 4 * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
d460ef45 25#ifdef PERL_MICRO
12ae5dfc
JH		 26# include "uconfig.h"
27#else
611cf957 28# include "config.h"
12ae5dfc 29#endif
0cb96387 30
7dc3eb73 31/* NOTE 1: that with gcc -std=c89 the __STDC_VERSION__ is *not* defined
9267464d 32 * because the __STDC_VERSION__ became a thing only with C90. Therefore,
7dc3eb73
JH		 33 * with gcc, HAS_C99 will never become true as long as we use -std=c89.
34
35 * NOTE 2: headers lie. Do not expect that if HAS_C99 gets to be true,
36 * all the C99 features are there and are correct. */
9267464d
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
34659ad4 312# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
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;
2597typedef struct binop BINOP;
2598typedef struct listop LISTOP;
2599typedef struct logop LOGOP;
79072805
LW		 2600typedef struct pmop PMOP;
2601typedef struct svop SVOP;
7934575e 2602typedef struct padop PADOP;
79072805 2603typedef struct pvop PVOP;
79072805 2604typedef struct loop LOOP;
b46e009d 2605typedef struct methop METHOP;
79072805 2606
7aef8e5b 2607#ifdef PERL_CORE
8be227ab
FC		 2608typedef struct opslab OPSLAB;
2609typedef struct opslot OPSLOT;
2610#endif
2611
52db365a 2612typedef struct block_hooks BHK;
1830b3d9 2613typedef struct custom_op XOP;
52db365a 2614
cd1541b2
NC		 2615typedef struct interpreter PerlInterpreter;
2616
d2b3f365 2617/* SGI's <sys/sema.h> has struct sv */
cc3315ba 2618#if defined(__sgi)
d2b3f365 2619# define STRUCT_SV perl_sv
b8d3c5db
JH		 2620#else
2621# define STRUCT_SV sv
2622#endif
2623typedef struct STRUCT_SV SV;
79072805
LW		 2624typedef struct av AV;
2625typedef struct hv HV;
2626typedef struct cv CV;
d2f13c59 2627typedef struct p5rx REGEXP;
79072805 2628typedef struct gp GP;
0c30d9ec 2629typedef struct gv GV;
8990e307 2630typedef struct io IO;
c09156bb 2631typedef struct context PERL_CONTEXT;
79072805
LW		 2632typedef struct block BLOCK;
2633
2634typedef struct magic MAGIC;
2635typedef struct xpv XPV;
2636typedef struct xpviv XPVIV;
ff68c719 2637typedef struct xpvuv XPVUV;
79072805
LW		 2638typedef struct xpvnv XPVNV;
2639typedef struct xpvmg XPVMG;
2640typedef struct xpvlv XPVLV;
d361b004 2641typedef struct xpvinvlist XINVLIST;
79072805
LW		 2642typedef struct xpvav XPVAV;
2643typedef struct xpvhv XPVHV;
2644typedef struct xpvgv XPVGV;
2645typedef struct xpvcv XPVCV;
2646typedef struct xpvbm XPVBM;
2647typedef struct xpvfm XPVFM;
8990e307 2648typedef struct xpvio XPVIO;
79072805
LW		 2649typedef struct mgvtbl MGVTBL;
2650typedef union any ANY;
5f7fde29
GS		 2651typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2652typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2653typedef struct clone_params CLONE_PARAMS;
2654
35e035cc 2655/* a pad or name pad is currently just an AV; but that might change,
7261499d
FC		 2656 * so hide the type. */
2657typedef struct padlist PADLIST;
67634234 2658typedef AV PAD;
35e035cc
FC		 2659typedef AV PADNAMELIST;
2660typedef SV PADNAME;
67634234 2661
13b0f67d
DM		 2662/* enable PERL_NEW_COPY_ON_WRITE by default */
2663#if !defined(PERL_OLD_COPY_ON_WRITE) && !defined(PERL_NEW_COPY_ON_WRITE) && !defined(PERL_NO_COW)
2664# define PERL_NEW_COPY_ON_WRITE
2665#endif
07d01d6e 2666
db2c6cb3
FC		 2667#if defined(PERL_OLD_COPY_ON_WRITE) || defined(PERL_NEW_COPY_ON_WRITE)
2668# if defined(PERL_OLD_COPY_ON_WRITE) && defined(PERL_NEW_COPY_ON_WRITE)
2669# error PERL_OLD_COPY_ON_WRITE and PERL_NEW_COPY_ON_WRITE are exclusive
2670# else
2671# define PERL_ANY_COW
2672# endif
9f351b45
DM		 2673#else
2674# define PERL_SAWAMPERSAND
db2c6cb3
FC		 2675#endif
2676
40653c20
FC		 2677#if defined(PERL_DEBUG_READONLY_OPS) && !defined(USE_ITHREADS)
2678# error PERL_DEBUG_READONLY_OPS only works with ithreads
2679#endif
2680
378cc40b 2681#include "handy.h"
a0d0e21e 2682
6b8eaf93 2683#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2684# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2685# define USE_64_BIT_RAWIO /* implicit */
2686# endif
4564133c
JH		 2687#endif
2688
6b8eaf93
JH		 2689/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2690 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2691 * however, because operating systems like to do that themself. */
2692#ifndef FSEEKSIZE
2693# ifdef HAS_FSEEKO
2694# define FSEEKSIZE LSEEKSIZE
2695# else
2696# define FSEEKSIZE LONGSIZE
d460ef45 2697# endif
6b8eaf93
JH		 2698#endif
2699
2700#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2701# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2702# define USE_64_BIT_STDIO /* implicit */
2703# endif
2704#endif
4564133c 2705
09458382 2706#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2707# ifdef HAS_OFF64_T
2708# undef Off_t
2709# define Off_t off64_t
2710# undef LSEEKSIZE
2711# define LSEEKSIZE 8
5ff3f7a4 2712# endif
d9b3e12d
JH		 2713/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2714 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2715 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2716# if defined(USE_OPEN64)
2717# define open open64
5ff3f7a4 2718# endif
d9b3e12d
JH		 2719# if defined(USE_LSEEK64)
2720# define lseek lseek64
6b8eaf93
JH		 2721# else
2722# if defined(USE_LLSEEK)
2723# define lseek llseek
2724# endif
d9b3e12d
JH		 2725# endif
2726# if defined(USE_STAT64)
2727# define stat stat64
2728# endif
2729# if defined(USE_FSTAT64)
2730# define fstat fstat64
2731# endif
2732# if defined(USE_LSTAT64)
2733# define lstat lstat64
2734# endif
2735# if defined(USE_FLOCK64)
2736# define flock flock64
2737# endif
2738# if defined(USE_LOCKF64)
2739# define lockf lockf64
2740# endif
2741# if defined(USE_FCNTL64)
2742# define fcntl fcntl64
2743# endif
2744# if defined(USE_TRUNCATE64)
2745# define truncate truncate64
2746# endif
2747# if defined(USE_FTRUNCATE64)
2748# define ftruncate ftruncate64
2749# endif
2750#endif
2751
2752#ifdef USE_64_BIT_STDIO
2753# ifdef HAS_FPOS64_T
2754# undef Fpos_t
2755# define Fpos_t fpos64_t
2756# endif
2757/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2758 * will trigger defines like the ones below. Some 64-bit environments,
2759 * however, do not. */
2760# if defined(USE_FOPEN64)
2761# define fopen fopen64
2762# endif
2763# if defined(USE_FSEEK64)
6b8eaf93 2764# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2765# endif
2766# if defined(USE_FTELL64)
6b8eaf93 2767# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2768# endif
2769# if defined(USE_FSETPOS64)
2770# define fsetpos fsetpos64
2771# endif
2772# if defined(USE_FGETPOS64)
2773# define fgetpos fgetpos64
2774# endif
2775# if defined(USE_TMPFILE64)
2776# define tmpfile tmpfile64
2777# endif
2778# if defined(USE_FREOPEN64)
2779# define freopen freopen64
5ff3f7a4
GS		 2780# endif
2781#endif
2782
e37778c2 2783#if defined(OS2)
2c2d71f5
JH		 2784# include "iperlsys.h"
2785#endif
2786
748a9306 2787#ifdef DOSISH
19848b3f
JH		 2788# if defined(OS2)
2789# include "os2ish.h"
2790# else
2791# include "dosish.h"
2792# endif
009819bb 2793#elif defined(VMS)
748a9306 2794# include "vmsish.h"
009819bb 2795#elif defined(PLAN9)
19848b3f 2796# include "./plan9/plan9ish.h"
009819bb 2797#elif defined(__VOS__)
196918b0
PG		 2798# ifdef __GNUC__
2799# include "./vos/vosish.h"
2800# else
2801# include "vos/vosish.h"
2802# endif
009819bb 2803#elif defined(__SYMBIAN32__)
27da23d5 2804# include "symbian/symbianish.h"
009819bb 2805#elif defined(__HAIKU__)
df00ff3b 2806# include "haiku/haikuish.h"
009819bb 2807#else
19848b3f 2808# include "unixish.h"
13b6e58c
JH		 2809#endif
2810
2946a158
JH		 2811/* NSIG logic from Configure --> */
2812/* Strange style to avoid deeply-nested #if/#else/#endif */
2813#ifndef NSIG
2814# ifdef _NSIG
2815# define NSIG (_NSIG)
2816# endif
2817#endif
2818
2819#ifndef NSIG
2820# ifdef SIGMAX
2821# define NSIG (SIGMAX+1)
2822# endif
2823#endif
2824
2825#ifndef NSIG
2826# ifdef SIG_MAX
2827# define NSIG (SIG_MAX+1)
2828# endif
2829#endif
2830
2831#ifndef NSIG
2832# ifdef _SIG_MAX
2833# define NSIG (_SIG_MAX+1)
2834# endif
2835#endif
2836
2837#ifndef NSIG
2838# ifdef MAXSIG
2839# define NSIG (MAXSIG+1)
2840# endif
2841#endif
2842
2843#ifndef NSIG
2844# ifdef MAX_SIG
2845# define NSIG (MAX_SIG+1)
2846# endif
2847#endif
2848
2849#ifndef NSIG
2850# ifdef SIGARRAYSIZE
2851# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2852# endif
2853#endif
2854
2855#ifndef NSIG
2856# ifdef _sys_nsig
2857# define NSIG (_sys_nsig) /* Solaris 2.5 */
2858# endif
2859#endif
2860
2861/* Default to some arbitrary number that's big enough to get most
2862 of the common signals.
2863*/
2864#ifndef NSIG
2865# define NSIG 50
2866#endif
2867/* <-- NSIG logic from Configure */
2868
13b6e58c
JH		 2869#ifndef NO_ENVIRON_ARRAY
2870# define USE_ENVIRON_ARRAY
2871#endif
32f822de 2872
c77b533b
JH		 2873/*
2874 * initialise to avoid floating-point exceptions from overflow, etc
2875 */
2876#ifndef PERL_FPU_INIT
2877# ifdef HAS_FPSETMASK
2878# if HAS_FLOATINGPOINT_H
2879# include <floatingpoint.h>
2880# endif
ad3a8c67
NC		 2881/* Some operating systems have this as a macro, which in turn expands to a comma
2882 expression, and the last sub-expression is something that gets calculated,
2883 and then they have the gall to warn that a value computed is not used. Hence
2884 cast to void. */
2885# define PERL_FPU_INIT (void)fpsetmask(0)
c77b533b 2886# else
2f42fcb0 2887# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
7f7c3354 2888# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN)
b35112e7
CS		 2889# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2890# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2891# else
2892# define PERL_FPU_INIT
2f42fcb0 2893
7014c407 2894# endif
c77b533b
JH		 2895# endif
2896#endif
b35112e7
CS		 2897#ifndef PERL_FPU_PRE_EXEC
2898# define PERL_FPU_PRE_EXEC {
2899# define PERL_FPU_POST_EXEC }
2900#endif
c77b533b 2901
a308b05a
JH		 2902/* In Tru64 the cc -ieee enables the IEEE math but disables traps.
2903 * We need to reenable the "invalid" trap because otherwise generation
2904 * of NaN values leaves the IEEE fp flags in bad state, leaving any further
2905 * fp ops behaving strangely (Inf + 1 resulting in zero, for example). */
2906#ifdef __osf__
2907# include <machine/fpu.h>
2908# define PERL_SYS_FPU_INIT \
2909 STMT_START { \
2910 ieee_set_fp_control(IEEE_TRAP_ENABLE_INV); \
2911 signal(SIGFPE, SIG_IGN); \
2912 } STMT_END
2913#endif
2914
2915#ifndef PERL_SYS_FPU_INIT
2916# define PERL_SYS_FPU_INIT NOOP
2917#endif
2918
cbec8ebe
DM		 2919#ifndef PERL_SYS_INIT3_BODY
2920# define PERL_SYS_INIT3_BODY(argvp,argcp,envp) PERL_SYS_INIT_BODY(argvp,argcp)
ed344e4f
IZ		 2921#endif
2922
eb533572 2923/*
dcccc8ff
KW		 2924=head1 Miscellaneous Functions
2925
4ad9e498 2926=for apidoc Am|void|PERL_SYS_INIT|int *argc|char*** argv
eb533572 2927Provides system-specific tune up of the C runtime environment necessary to
72d33970 2928run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2929any Perl interpreters.
2930
4ad9e498 2931=for apidoc Am|void|PERL_SYS_INIT3|int *argc|char*** argv|char*** env
eb533572 2932Provides system-specific tune up of the C runtime environment necessary to
72d33970 2933run Perl interpreters. This should be called only once, before creating
eb533572
DM		 2934any Perl interpreters.
2935
2936=for apidoc Am|void|PERL_SYS_TERM|
2937Provides system-specific clean up of the C runtime environment after
72d33970 2938running Perl interpreters. This should be called only once, after
eb533572
DM		 2939freeing any remaining Perl interpreters.
2940
2941=cut
2942 */
2943
cbec8ebe
DM		 2944#define PERL_SYS_INIT(argc, argv) Perl_sys_init(argc, argv)
2945#define PERL_SYS_INIT3(argc, argv, env) Perl_sys_init3(argc, argv, env)
d0820ef1 2946#define PERL_SYS_TERM() Perl_sys_term()
cbec8ebe 2947
be708cc0
JH		 2948#ifndef PERL_WRITE_MSG_TO_CONSOLE
2949# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2950#endif
2951
0f31cffe
GS		 2952#ifndef MAXPATHLEN
2953# ifdef PATH_MAX
b990c8b2
JH		 2954# ifdef _POSIX_PATH_MAX
2955# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2956/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2957 * included the null byte or not. Later amendments of POSIX,
2958 * XPG4, the Austin Group, and the Single UNIX Specification
2959 * all explicitly include the null byte in the PATH_MAX.
2960 * Ditto for _POSIX_PATH_MAX. */
2961# define MAXPATHLEN PATH_MAX
b990c8b2 2962# else
09448d78 2963# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2964# endif
2965# else
2966# define MAXPATHLEN (PATH_MAX+1)
2967# endif
0f31cffe 2968# else
d552bce8 2969# define MAXPATHLEN 1024 /* Err on the large side. */
0f31cffe
GS		 2970# endif
2971#endif
2972
c80263a8
SH		 2973/* In case Configure was not used (we are using a "canned config"
2974 * such as Win32, or a cross-compilation setup, for example) try going
2975 * by the gcc major and minor versions. One useful URL is
2976 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2977 * but contrary to this information warn_unused_result seems
2978 * not to be in gcc 3.3.5, at least. --jhi
42bf5550
AD		 2979 * Also, when building extensions with an installed perl, this allows
2980 * the user to upgrade gcc and get the right attributes, rather than
2981 * relying on the list generated at Configure time. --AD
c80263a8
SH		 2982 * Set these up now otherwise we get confused when some of the <*thread.h>
2983 * includes below indirectly pull in <perlio.h> (which needs to know if we
2984 * have HASATTRIBUTE_FORMAT).
2985 */
2986
4d7c7898 2987#ifndef PERL_MICRO
fc2007d4 2988#if defined __GNUC__ && !defined(__INTEL_COMPILER)
6a387721
RGS		 2989# if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 /* 3.1 -> */
2990# define HASATTRIBUTE_DEPRECATED
2991# endif
c80263a8
SH		 2992# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2993# define HASATTRIBUTE_FORMAT
63cdf24b
SH		 2994# if defined __MINGW32__
2995# define PRINTF_FORMAT_NULL_OK
2996# endif
c80263a8
SH		 2997# endif
2998# if __GNUC__ >= 3 /* 3.0 -> */
2999# define HASATTRIBUTE_MALLOC
3000# endif
3001# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
3002# define HASATTRIBUTE_NONNULL
3003# endif
3004# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
3005# define HASATTRIBUTE_NORETURN
3006# endif
3007# if __GNUC__ >= 3 /* gcc 3.0 -> */
3008# define HASATTRIBUTE_PURE
3009# endif
42bf5550 3010# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
c80263a8
SH		 3011# define HASATTRIBUTE_UNUSED
3012# endif
d324fe49
AD		 3013# if __GNUC__ == 3 && __GNUC_MINOR__ == 3 && !defined(__cplusplus)
3014# define HASATTRIBUTE_UNUSED /* gcc-3.3, but not g++-3.3. */
3015# endif
c80263a8
SH		 3016# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
3017# define HASATTRIBUTE_WARN_UNUSED_RESULT
3018# endif
3019#endif
00f254e2 3020#endif /* #ifndef PERL_MICRO */
c80263a8 3021
3db8f154 3022/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 3023 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 3024 * this results in many functions being undeclared which bothers C++
3025 * May make sense to have threads after "*ish.h" anyway
3026 */
3027
3db8f154 3028#if defined(USE_ITHREADS)
2986a63f
JH		 3029# ifdef NETWARE
3030# include <nw5thread.h>
3031# else
32f822de
GS		 3032# ifdef WIN32
3033# include <win32thread.h>
3034# else
dd96f567
IZ		 3035# ifdef OS2
3036# include "os2thread.h"
3037# else
7f3d1cf1 3038# ifdef I_MACH_CTHREADS
bdd66968 3039# include <mach/cthreads.h>
7f3d1cf1
BH		 3040typedef cthread_t perl_os_thread;
3041typedef mutex_t perl_mutex;
3042typedef condition_t perl_cond;
3043typedef void * perl_key;
3044# else /* Posix threads */
1f5ae88c
JH		 3045# ifdef I_PTHREAD
3046# include <pthread.h>
3047# endif
7f3d1cf1
BH		 3048typedef pthread_t perl_os_thread;
3049typedef pthread_mutex_t perl_mutex;
3050typedef pthread_cond_t perl_cond;
3051typedef pthread_key_t perl_key;
3052# endif /* I_MACH_CTHREADS */
dd96f567 3053# endif /* OS2 */
32f822de 3054# endif /* WIN32 */
ef4abe76 3055# endif /* NETWARE */
3db8f154 3056#endif /* USE_ITHREADS */
c5be433b 3057
66a93824 3058#if defined(WIN32)
1feb2720 3059# include "win32.h"
c5be433b
GS		 3060#endif
3061
2986a63f
JH		 3062#ifdef NETWARE
3063# include "netware.h"
3064#endif
3065
e5218da5 3066#define STATUS_UNIX PL_statusvalue
68dc0745 3067#ifdef VMS
6b88bc9c 3068# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 3069/*
3070 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 3071 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 3072 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
3073 * be updated also.
3074 */
3075# include <stsdef.h>
3076# include <ssdef.h>
3077/* Presume this because if VMS changes it, it will require a new
3078 * set of APIs for waiting on children for binary compatibility.
3079 */
3080# define child_offset_bits (8)
3081# ifndef C_FAC_POSIX
3082# define C_FAC_POSIX 0x35A000
3083# endif
3084
3085/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
3086 * platform from the existing UNIX or Native status values.
3087 */
3088
37038d91 3089# define STATUS_EXIT \
7a7fd8e0
JM		 3090 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
3091 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
3092
7a7fd8e0 3093
fb38d079
JM		 3094/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
3095 * exit code and shifts the UNIX value over the correct number of bits to
3096 * be a child status. Usually the number of bits is 8, but that could be
3097 * platform dependent. The NATIVE status code is presumed to have either
3098 * from a child process.
7a7fd8e0
JM		 3099 */
3100
fb38d079
JM		 3101/* This is complicated. The child processes return a true native VMS
3102 status which must be saved. But there is an assumption in Perl that
3103 the UNIX child status has some relationship to errno values, so
00f254e2 3104 Perl tries to translate it to text in some of the tests.
fb38d079
JM		 3105 In order to get the string translation correct, for the error, errno
3106 must be EVMSERR, but that generates a different text message
3107 than what the test programs are expecting. So an errno value must
3108 be derived from the native status value when an error occurs.
3109 That will hide the true native status message. With this version of
3110 perl, the true native child status can always be retrieved so that
3111 is not a problem. But in this case, Pl_statusvalue and errno may
3112 have different values in them.
3113 */
7a7fd8e0 3114
fb38d079 3115# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 3116 STMT_START { \
2fbb330f
JM		 3117 I32 evalue = (I32)n; \
3118 if (evalue == EVMSERR) { \
3119 PL_statusvalue_vms = vaxc$errno; \
3120 PL_statusvalue = evalue; \
7a7fd8e0 3121 } else { \
2fbb330f 3122 PL_statusvalue_vms = evalue; \
fb38d079 3123 if (evalue == -1) { \
3280af22 3124 PL_statusvalue = -1; \
7a7fd8e0
JM		 3125 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
3126 } else \
fb38d079 3127 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 3128 set_vaxc_errno(evalue); \
fb38d079
JM		 3129 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
3130 set_errno(EVMSERR); \
3131 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
3132 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 3133 } \
68dc0745 3134 } STMT_END
7a7fd8e0 3135
68dc0745 3136# ifdef VMSISH_STATUS
e5218da5 3137# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 3138# else
e5218da5 3139# define STATUS_CURRENT STATUS_UNIX
68dc0745 3140# endif
7a7fd8e0
JM		 3141
3142 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
3143 * the NATIVE status to an equivalent value. Can not be used to translate
3144 * exit code values as exit code values are not guaranteed to have any
3145 * relationship at all to errno values.
3146 * This is used when Perl is forcing errno to have a specific value.
3147 */
e5218da5 3148# define STATUS_UNIX_SET(n) \
68dc0745 3149 STMT_START { \
7a7fd8e0 3150 I32 evalue = (I32)n; \
0968cdad 3151 PL_statusvalue = evalue; \
3280af22 3152 if (PL_statusvalue != -1) { \
0968cdad
JM		 3153 if (PL_statusvalue != EVMSERR) { \
3154 PL_statusvalue &= 0xFFFF; \
3155 if (MY_POSIX_EXIT) \
3156 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
3157 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
3158 } \
3159 else { \
3160 PL_statusvalue_vms = vaxc$errno; \
3161 } \
68dc0745 3162 } \
0968cdad
JM		 3163 else PL_statusvalue_vms = SS$_ABORT; \
3164 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 3165 } STMT_END
3166
3167 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
e08e1e1d
JM		 3168 * the NATIVE error status based on it.
3169 *
3170 * When in the default mode to comply with the Perl VMS documentation,
3171 * 0 is a success and any other code sets the NATIVE status to a failure
3172 * code of SS$_ABORT.
fb38d079
JM		 3173 *
3174 * In the new POSIX EXIT mode, native status will be set so that the
3175 * actual exit code will can be retrieved by the calling program or
3176 * shell.
3177 *
3178 * If the exit code is not clearly a UNIX parent or child exit status,
3179 * it will be passed through as a VMS status.
7a7fd8e0
JM		 3180 */
3181
fb38d079 3182# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 3183 STMT_START { \
3184 I32 evalue = (I32)n; \
3185 PL_statusvalue = evalue; \
e08e1e1d
JM		 3186 if (MY_POSIX_EXIT) { \
3187 if (evalue <= 0xFF00) { \
3188 if (evalue > 0xFF) \
3189 evalue = (evalue >> child_offset_bits) & 0xFF; \
3190 PL_statusvalue_vms = \
3191 (C_FAC_POSIX | (evalue << 3 ) | \
3192 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1)); \
3193 } else /* forgive them Perl, for they have sinned */ \
3194 PL_statusvalue_vms = evalue; \
3195 } else { \
3196 if (evalue == 0) \
3197 PL_statusvalue_vms = SS$_NORMAL; \
3198 else if (evalue <= 0xFF00) \
3199 PL_statusvalue_vms = SS$_ABORT; \
3200 else { /* forgive them Perl, for they have sinned */ \
3201 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
3202 else PL_statusvalue_vms = vaxc$errno; \
3203 /* And obviously used a VMS status value instead of UNIX */ \
3204 PL_statusvalue = EVMSERR; \
3205 } \
3206 set_vaxc_errno(PL_statusvalue_vms); \
3207 } \
68dc0745 3208 } STMT_END
fb38d079 3209
e08e1e1d 3210
6ac6a52b
JM		 3211 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
3212 * and sets the NATIVE error status based on it. This special case
3213 * is needed to maintain compatibility with past VMS behavior.
3214 *
3215 * In the default mode on VMS, this number is passed through as
3216 * both the NATIVE and UNIX status. Which makes it different
3217 * that the STATUS_UNIX_EXIT_SET.
3218 *
3219 * In the new POSIX EXIT mode, native status will be set so that the
3220 * actual exit code will can be retrieved by the calling program or
3221 * shell.
3222 *
1a3aec58
JM		 3223 * A POSIX exit code is from 0 to 255. If the exit code is higher
3224 * than this, it needs to be assumed that it is a VMS exit code and
3225 * passed through.
6ac6a52b
JM		 3226 */
3227
3228# define STATUS_EXIT_SET(n) \
3229 STMT_START { \
3230 I32 evalue = (I32)n; \
3231 PL_statusvalue = evalue; \
3232 if (MY_POSIX_EXIT) \
1a3aec58
JM		 3233 if (evalue > 255) PL_statusvalue_vms = evalue; else { \
3234 PL_statusvalue_vms = \
3235 (C_FAC_POSIX | (evalue << 3 ) | \
3236 ((evalue == 1) ? (STS$K_ERROR | STS$M_INHIB_MSG) : 1));} \
6ac6a52b
JM		 3237 else \
3238 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
3239 set_vaxc_errno(PL_statusvalue_vms); \
3240 } STMT_END
3241
fb38d079
JM		 3242
3243 /* This macro forces a success status */
7a7fd8e0
JM		 3244# define STATUS_ALL_SUCCESS \
3245 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 3246
3247 /* This macro forces a failure status */
7a7fd8e0
JM		 3248# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
3249 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
3250 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 3251
68dc0745 3252#else
e5218da5 3253# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 3254# if defined(WCOREDUMP)
37038d91 3255# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3256 STMT_START { \
3257 PL_statusvalue_posix = (n); \
3258 if (PL_statusvalue_posix == -1) \
3259 PL_statusvalue = -1; \
3260 else { \
3261 PL_statusvalue = \
3262 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3263 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
3264 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
3265 } \
3266 } STMT_END
3267# elif defined(WIFEXITED)
37038d91 3268# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3269 STMT_START { \
3270 PL_statusvalue_posix = (n); \
3271 if (PL_statusvalue_posix == -1) \
3272 PL_statusvalue = -1; \
3273 else { \
3274 PL_statusvalue = \
3275 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
3276 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
3277 } \
3278 } STMT_END
3279# else
37038d91 3280# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 3281 STMT_START { \
3282 PL_statusvalue_posix = (n); \
3283 if (PL_statusvalue_posix == -1) \
3284 PL_statusvalue = -1; \
3285 else { \
3286 PL_statusvalue = \
3287 PL_statusvalue_posix & 0xFFFF; \
3288 } \
3289 } STMT_END
3290# endif
3291# define STATUS_UNIX_SET(n) \
68dc0745 3292 STMT_START { \
3280af22
NIS		 3293 PL_statusvalue = (n); \
3294 if (PL_statusvalue != -1) \
3295 PL_statusvalue &= 0xFFFF; \
68dc0745 3296 } STMT_END
7a7fd8e0 3297# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 3298# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 3299# define STATUS_CURRENT STATUS_UNIX
37038d91 3300# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 3301# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
3302# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 3303#endif
3304
cc3604b1
GS		 3305/* flags in PL_exit_flags for nature of exit() */
3306#define PERL_EXIT_EXPECTED 0x01
31d77e54 3307#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
6136213b
JGM		 3308#define PERL_EXIT_WARN 0x04 /* Warn if Perl_my_exit() or Perl_my_failure_exit() called */
3309#define PERL_EXIT_ABORT 0x08 /* Call abort() if Perl_my_exit() or Perl_my_failure_exit() called */
cc3604b1 3310
b79b76e0 3311#ifndef PERL_CORE
a7cb1f99 3312/* format to use for version numbers in file/directory names */
273cf8d1 3313/* XXX move to Configure? */
b79b76e0
NC		 3314/* This was only ever used for the current version, and that can be done at
3315 compile time, as PERL_FS_VERSION, so should we just delete it? */
3316# ifndef PERL_FS_VER_FMT
3317# define PERL_FS_VER_FMT "%d.%d.%d"
3318# endif
3319#endif
3320
3321#ifndef PERL_FS_VERSION
3322# define PERL_FS_VERSION PERL_VERSION_STRING
0b94c7bb
GS		 3323#endif
3324
45bc9206 3325/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 3326 * performance issue, so we allow people to disable it. Also, if
3327 * we are using stdio, there are broken implementations of fflush(NULL)
3328 * out there, Solaris being the most prominent.
45bc9206
GS		 3329 */
3330#ifndef PERL_FLUSHALL_FOR_CHILD
97cb92d6 3331# if defined(USE_PERLIO) || defined(FFLUSH_NULL)
66fe083f 3332# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 3333# else
3334# ifdef FFLUSH_ALL
3335# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 3336# else
c5be433b 3337# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 3338# endif
66fe083f 3339# endif
45bc9206
GS		 3340#endif
3341
7766f137
GS		 3342#ifndef PERL_WAIT_FOR_CHILDREN
3343# define PERL_WAIT_FOR_CHILDREN NOOP
3344#endif
3345
ba869deb 3346/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 3347#ifndef PERL_SET_INTERP
3348# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
3349#endif
3350
3351#ifndef PERL_GET_INTERP
3352# define PERL_GET_INTERP (PL_curinterp)
3353#endif
3354
54aff467 3355#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 3356# ifdef MULTIPLICITY
ba869deb 3357# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 3358# endif
ba869deb
GS		 3359# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
3360#endif
3361
00f254e2 3362/*
8896765a 3363 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 3364 All that is required is that the perl source does not
00f254e2
KW		 3365 use "%-p" or "%-<number>p" or "%<number>p" formats.
3366 These formats will still work in perl code.
486ec47a 3367 See comments in sv.c for further details.
8896765a 3368
8896765a 3369 Robin Barker 2005-07-14
f46d31f2 3370
00f254e2 3371 No longer use %1p for VDf = %vd. RMB 2007-10-19
0dbb1585 3372*/
8896765a
RB		 3373
3374#ifndef SVf_
63ce7bf0 3375# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 3376#endif
3377
8896765a 3378#ifndef SVf
104abab4 3379# define SVf "-p"
d2560b70
RB		 3380#endif
3381
014ead4b 3382#ifndef SVf32
8896765a 3383# define SVf32 SVf_(32)
014ead4b
RB		 3384#endif
3385
3386#ifndef SVf256
8896765a
RB		 3387# define SVf256 SVf_(256)
3388#endif
3389
be2597df
MHM		 3390#define SVfARG(p) ((void*)(p))
3391
20023040
FC		 3392#ifndef HEKf
3393# define HEKf "2p"
3394#endif
3395
b8fa5213
FC		 3396/* Not ideal, but we cannot easily include a number in an already-numeric
3397 * format sequence. */
3398#ifndef HEKf256
3399# define HEKf256 "3p"
3400#endif
3401
20023040
FC		 3402#define HEKfARG(p) ((void*)(p))
3403
b17a0679
FC		 3404/* Takes three arguments: is_utf8, length, str */
3405#ifndef UTF8f
61608bb7 3406# define UTF8f "d%" UVuf "%4p"
b17a0679
FC		 3407#endif
3408#define UTF8fARG(u,l,p) (int)cBOOL(u), (UV)(l), (void*)(p)
3409
f46d31f2 3410#ifdef PERL_CORE
486ec47a 3411/* not used; but needed for backward compatibility with XS code? - RMB */
7776bb98
RB		 3412# undef UVf
3413#else
170cd9e9
NC		 3414# ifndef UVf
3415# define UVf UVuf
3416# endif
d2560b70
RB		 3417#endif
3418
fcdf39cf
RGS		 3419#ifdef HASATTRIBUTE_DEPRECATED
3420# define __attribute__deprecated__ __attribute__((deprecated))
3421#endif
0dbb1585
AL		 3422#ifdef HASATTRIBUTE_FORMAT
3423# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
3424#endif
3425#ifdef HASATTRIBUTE_MALLOC
77785eea 3426# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 3427#endif
0dbb1585 3428#ifdef HASATTRIBUTE_NONNULL
abb2c242 3429# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 3430#endif
0dbb1585 3431#ifdef HASATTRIBUTE_NORETURN
abb2c242 3432# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 3433#endif
0dbb1585 3434#ifdef HASATTRIBUTE_PURE
abb2c242 3435# define __attribute__pure__ __attribute__((pure))
f22be1b8 3436#endif
0dbb1585
AL		 3437#ifdef HASATTRIBUTE_UNUSED
3438# define __attribute__unused__ __attribute__((unused))
3439#endif
3440#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 3441# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 3442#endif
3443
0dbb1585 3444/* If we haven't defined the attributes yet, define them to blank. */
fcdf39cf
RGS		 3445#ifndef __attribute__deprecated__
3446# define __attribute__deprecated__
3447#endif
0dbb1585
AL		 3448#ifndef __attribute__format__
3449# define __attribute__format__(x,y,z)
3450#endif
f22be1b8 3451#ifndef __attribute__malloc__
abb2c242 3452# define __attribute__malloc__
f22be1b8
JH		 3453#endif
3454#ifndef __attribute__nonnull__
abb2c242 3455# define __attribute__nonnull__(a)
f22be1b8
JH		 3456#endif
3457#ifndef __attribute__noreturn__
abb2c242 3458# define __attribute__noreturn__
f22be1b8
JH		 3459#endif
3460#ifndef __attribute__pure__
abb2c242 3461# define __attribute__pure__
f22be1b8 3462#endif
0dbb1585
AL		 3463#ifndef __attribute__unused__
3464# define __attribute__unused__
3465#endif
f22be1b8 3466#ifndef __attribute__warn_unused_result__
abb2c242
JH		 3467# define __attribute__warn_unused_result__
3468#endif
3469
cd13e623
JH		 3470#if defined(DEBUGGING) && defined(I_ASSERT)
3471# include <assert.h>
3472#endif
3473
0dbb1585
AL		 3474/* For functions that are marked as __attribute__noreturn__, it's not
3475 appropriate to call return. In either case, include the lint directive.
3476 */
3477#ifdef HASATTRIBUTE_NORETURN
ae103e09 3478# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */
0dbb1585 3479#else
ae103e09 3480# define NORETURN_FUNCTION_END NOT_REACHED; /* NOTREACHED */ return 0
abb2c242
JH		 3481#endif
3482
cdfeb707
RB		 3483/* Some OS warn on NULL format to printf */
3484#ifdef PRINTF_FORMAT_NULL_OK
3485# define __attribute__format__null_ok__(x,y,z) __attribute__format__(x,y,z)
3486#else
00f254e2 3487# define __attribute__format__null_ok__(x,y,z)
cdfeb707
RB		 3488#endif
3489
635aebb7 3490#ifdef HAS_BUILTIN_EXPECT
b37c2d43
AL		 3491# define EXPECT(expr,val) __builtin_expect(expr,val)
3492#else
3493# define EXPECT(expr,val) (expr)
3494#endif
6d5abc62
NC		 3495#define LIKELY(cond) EXPECT(cBOOL(cond),TRUE)
3496#define UNLIKELY(cond) EXPECT(cBOOL(cond),FALSE)
635aebb7
AL		 3497#ifdef HAS_BUILTIN_CHOOSE_EXPR
3498/* placeholder */
3499#endif
b37c2d43 3500
ae103e09
DD		 3501
3502#ifndef __has_builtin
3503# define __has_builtin(x) 0 /* not a clang style compiler */
3504#endif
3505
3506/* ASSUME is like assert(), but it has a benefit in a release build. It is a
3507 hint to a compiler about a statement of fact in a function call free
3508 expression, which allows the compiler to generate better machine code.
3509 In a debug build, ASSUME(x) is a synonym for assert(x). ASSUME(0) means
3510 the control path is unreachable. In a for loop, ASSUME can be used to hint
3511 that a loop will run atleast X times. ASSUME is based off MSVC's __assume
3512 intrinsic function, see its documents for more details.
3513*/
3514
3515#ifndef DEBUGGING
3516# if __has_builtin(__builtin_unreachable) \
d1020b40 3517 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5 || __GNUC__ > 4) /* 4.5 -> */
ae103e09
DD		 3518# define ASSUME(x) ((x) ? (void) 0 : __builtin_unreachable())
3519# elif defined(_MSC_VER)
3520# define ASSUME(x) __assume(x)
3521# elif defined(__ARMCC_VERSION) /* untested */
3522# define ASSUME(x) __promise(x)
3523# else
3524/* a random compiler might define assert to its own special optimization token
3525 so pass it through to C lib as a last resort */
3526# define ASSUME(x) assert(x)
3527# endif
3528#else
3529# define ASSUME(x) assert(x)
3530#endif
3531
3532#define NOT_REACHED ASSUME(0)
3533
3fc1aec6 3534/* Some unistd.h's give a prototype for pause() even though
3535 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 3536 below to be rejected by the compiler. Sigh.
3fc1aec6 3537*/
3538#ifdef HAS_PAUSE
3539#define Pause pause
3540#else
3541#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 3542#endif
3543
3544#ifndef IOCPARM_LEN
3545# ifdef IOCPARM_MASK
61f1c44b 3546 /* on BSDish systems we're safe */
748a9306
LW		 3547# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
3548# else
61f1c44b 3549# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 3550 /* on Linux systems we're safe; except when we're not [perl #38223] */
3551# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 3552# else
748a9306 3553 /* otherwise guess at what's safe */
61f1c44b
JVD		 3554# define IOCPARM_LEN(x) 256
3555# endif
748a9306 3556# endif
a0d0e21e
LW		 3557#endif
3558
1761cee5 3559#if defined(__CYGWIN__)
521e0776
GS		 3560/* USEMYBINMODE
3561 * This symbol, if defined, indicates that the program should
16fe6d59 3562 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 3563 * that a file is in "binary" mode -- that is, that no translation
3564 * of bytes occurs on read or write operations.
3565 */
36894f0b 3566# define USEMYBINMODE /**/
77a40698 3567# include <io.h> /* for setmode() prototype */
16fe6d59 3568# define my_binmode(fp, iotype, mode) \
77a40698 3569 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3570#endif
3571
88d10794
JH		 3572#ifdef __CYGWIN__
3573void init_os_extras(void);
3574#endif
3575
cea2e8a9
GS		 3576#ifdef UNION_ANY_DEFINITION
3577UNION_ANY_DEFINITION;
3578#else
3579union any {
3580 void* any_ptr;
3581 I32 any_i32;
ae103e09 3582 U32 any_u32;
cea2e8a9 3583 IV any_iv;
c6bf6a65 3584 UV any_uv;
cea2e8a9 3585 long any_long;
9febdf04 3586 bool any_bool;
c76ac1ee 3587 void (*any_dptr) (void*);
acfe0abc 3588 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3589};
3590#endif
3591
acfe0abc 3592typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3593
3594#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
5486870f
DM		 3595#define FILTER_DATA(idx) \
3596 (PL_parser ? AvARRAY(PL_parser->rsfp_filters)[idx] : NULL)
3597#define FILTER_ISREADER(idx) \
3598 (PL_parser && PL_parser->rsfp_filters \
3599 && idx >= AvFILLp(PL_parser->rsfp_filters))
3600#define PERL_FILTER_EXISTS(i) \
3601 (PL_parser && PL_parser->rsfp_filters \
b9f2b683 3602 && (i) <= av_tindex(PL_parser->rsfp_filters))
cea2e8a9 3603
c5078cac
JH		 3604#if defined(_AIX) && !defined(_AIX43)
3605#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3606/* We cannot include <crypt.h> to get the struct crypt_data
3607 * because of setkey prototype problems when threading */
3608typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3609 /* From OSF, Not needed in AIX
3610 char C[28], D[28];
3611 */
3612 char E[48];
3613 char KS[16][48];
3614 char block[66];
3615 char iobuf[16];
3616} CRYPTD;
3617#endif /* threading */
3618#endif /* AIX */
3619
e37778c2 3620#if !defined(OS2)
2c2d71f5
JH		 3621# include "iperlsys.h"
3622#endif
504f80c1 3623
9c12f1e5 3624#ifdef __LIBCATAMOUNT__
00f254e2 3625#undef HAS_PASSWD /* unixish.h but not unixish enough. */
9c12f1e5
RGS		 3626#undef HAS_GROUP
3627#define FAKE_BIT_BUCKET
3628#endif
3629
d10dc2ae
JH		 3630/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3631 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3632 * defined by Configure, despite their names being similar to the
3633 * other defines like USE_ITHREADS. Configure in fact knows nothing
3634 * about the randomised hashes. Therefore to enable/disable the hash
3635 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3636#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3637# define USE_HASH_SEED
504f80c1
JH		 3638#endif
3639
598921a7
NC		 3640/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3641 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3642 * it's not really needed.
3643 */
3644#if defined(WIN32)
3645# define YYTOKENTYPE
3646#endif
3647#include "perly.h"
3648
598921a7 3649
654eccd5
JD		 3650/* macros to define bit-fields in structs. */
3651#ifndef PERL_BITFIELD8
3652# define PERL_BITFIELD8 unsigned
3653#endif
3654#ifndef PERL_BITFIELD16
3655# define PERL_BITFIELD16 unsigned
3656#endif
3657#ifndef PERL_BITFIELD32
3658# define PERL_BITFIELD32 unsigned
3659#endif
3660
79072805 3661#include "sv.h"
288b8c02 3662#include "regexp.h"
378cc40b 3663#include "util.h"
8d063cd8 3664#include "form.h"
79072805 3665#include "gv.h"
dd2155a4 3666#include "pad.h"
79072805 3667#include "cv.h"
abdd5c84 3668#include "opnames.h"
79072805 3669#include "op.h"
b3ca2e83 3670#include "hv.h"
79072805
LW		 3671#include "cop.h"
3672#include "av.h"
79072805
LW		 3673#include "mg.h"
3674#include "scope.h"
4438c4b7 3675#include "warnings.h"
a0ed51b3 3676#include "utf8.h"
8d063cd8 3677
0d7d409d
DM		 3678/* these would be in doio.h if there was such a file */
3679#define my_stat() my_stat_flags(SV_GMAGIC)
3680#define my_lstat() my_lstat_flags(SV_GMAGIC)
3681
20f4945e 3682/* defined in sv.c, but also used in [ach]v.c */
20f4945e
MHM		 3683#undef _XPV_HEAD
3684#undef _XPVMG_HEAD
3685#undef _XPVCV_COMMON
7fae4e64
GS		 3686
3687typedef struct _sublex_info SUBLEXINFO;
3688struct _sublex_info {
651b5b28
NC		 3689 U8 super_state; /* lexer state to save */
3690 U16 sub_inwhat; /* "lex_inwhat" to use */
7fae4e64 3691 OP *sub_op; /* "lex_op" to use */
7cc34111 3692 SV *repl; /* replacement of s/// or y/// */
7fae4e64
GS		 3693};
3694
199e78b7
DM		 3695#include "parser.h"
3696
455ece5e 3697typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3698
2260ab51
KW		 3699#if defined(PERL_IN_REGCOMP_C) || defined(PERL_IN_REGEXEC_C)
3700
3701/* These have to be predeclared, as they are used in proto.h which is #included
3702 * before their definitions in regcomp.h. */
3703
3704struct scan_data_t;
7dcac5f6
KW		 3705typedef struct regnode_charclass regnode_charclass;
3706
2260ab51 3707struct regnode_charclass_class;
d1d040e5
KW		 3708
3709/* A hopefully less confusing name. The sub-classes are all Posix classes only
3710 * used under /l matching */
3711typedef struct regnode_charclass_class regnode_charclass_posixl;
3712
b8f7bb16 3713typedef struct regnode_ssc regnode_ssc;
09b2b2e6
KW		 3714typedef struct RExC_state_t RExC_state_t;
3715struct _reg_trie_data;
76e3520e 3716
2260ab51
KW		 3717#endif
3718
5f7fde29
GS		 3719struct ptr_tbl_ent {
3720 struct ptr_tbl_ent* next;
53c1dcc0 3721 const void* oldval;
5f7fde29 3722 void* newval;
d18c6117
GS		 3723};
3724
5f7fde29
GS		 3725struct ptr_tbl {
3726 struct ptr_tbl_ent** tbl_ary;
3727 UV tbl_max;
3728 UV tbl_items;
db93c0c4
NC		 3729 struct ptr_tbl_arena *tbl_arena;
3730 struct ptr_tbl_ent *tbl_arena_next;
3731 struct ptr_tbl_ent *tbl_arena_end;
d18c6117
GS		 3732};
3733
fe14fcc3
LW		 3734#if defined(htonl) && !defined(HAS_HTONL)
3735#define HAS_HTONL
ae986130 3736#endif
fe14fcc3
LW		 3737#if defined(htons) && !defined(HAS_HTONS)
3738#define HAS_HTONS
ae986130 3739#endif
fe14fcc3
LW		 3740#if defined(ntohl) && !defined(HAS_NTOHL)
3741#define HAS_NTOHL
ae986130 3742#endif
fe14fcc3
LW		 3743#if defined(ntohs) && !defined(HAS_NTOHS)
3744#define HAS_NTOHS
ae986130 3745#endif
fe14fcc3 3746#ifndef HAS_HTONL
fe14fcc3
LW		 3747#define HAS_HTONS
3748#define HAS_HTONL
3749#define HAS_NTOHS
3750#define HAS_NTOHL
8e2d7c44
NC		 3751# if (BYTEORDER & 0xffff) == 0x4321
3752/* Big endian system, so ntohl, ntohs, htonl and htons do not need to
3753 re-order their values. However, to behave identically to the alternative
3754 implementations, they should truncate to the correct size. */
3755# define ntohl(x) ((x)&0xFFFFFFFF)
3756# define htonl(x) ntohl(x)
3757# define ntohs(x) ((x)&0xFFFF)
3758# define htons(x) ntohs(x)
e4b03fed
NC		 3759# elif BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
3760
3761/* Note that we can't straight out declare our own htonl and htons because
3762 the Win32 build process forcibly undefines HAS_HTONL etc for its miniperl,
3763 to avoid the overhead of initialising the socket subsystem, but the headers
3764 that *declare* the various functions are still seen. If we declare our own
3765 htonl etc they will clash with the declarations in the Win32 headers. */
3766
3767PERL_STATIC_INLINE U32
3768my_swap32(const U32 x) {
3769 return ((x & 0xFF) << 24) | ((x >> 24) & 0xFF)
3770 | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8);
3771}
3772
3773PERL_STATIC_INLINE U16
3774my_swap16(const U16 x) {
3775 return ((x & 0xFF) << 8) | ((x >> 8) & 0xFF);
3776}
3777
3778# define htonl(x) my_swap32(x)
3779# define ntohl(x) my_swap32(x)
3780# define ntohs(x) my_swap16(x)
3781# define htons(x) my_swap16(x)
8e2d7c44 3782# else
691a44df
NC		 3783# error "Unsupported byteorder"
3784/* The C pre-processor doesn't let us return the value of BYTEORDER as part of
3785 the error message. Please check the value of the macro BYTEORDER, as defined
3786 in config.h. The values of BYTEORDER we expect are
3787
3788 big endian little endian
3789 32 bit 0x4321 0x1234
3790 64 bit 0x87654321 0x12345678
3791
3792 If you have a system with a different byte order, please see
3793 pod/perlhack.pod for how to submit a patch to add supporting code.
3794*/
3795# endif
a687059c
LW		 3796#endif
3797
988174c1
LW		 3798/*
3799 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3800 * -DWS
3801 */
5ae72479 3802#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
260c6fee
NC		 3803/* Little endian system, so vtohl, vtohs, htovl and htovs do not need to
3804 re-order their values. However, to behave identically to the alternative
3805 implementations, they should truncate to the correct size. */
3806# define vtohl(x) ((x)&0xFFFFFFFF)
3807# define vtohs(x) ((x)&0xFFFF)
3808# define htovl(x) vtohl(x)
3809# define htovs(x) vtohs(x)
545872c5 3810#elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3811# define vtohl(x) ((((x)&0xFF)<<24) \
3812 +(((x)>>24)&0xFF) \
3813 +(((x)&0x0000FF00)<<8) \
3814 +(((x)&0x00FF0000)>>8) )
3815# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3816# define htovl(x) vtohl(x)
3817# define htovs(x) vtohs(x)
545872c5
NC		 3818#else
3819# error "Unsupported byteorder"
3820/* If you have need for current perl on PDP-11 or similar, and can help test
3821 that blead keeps working on a mixed-endian system, then see
3822 pod/perlhack.pod for how to submit patches to things working again. */
2a8c3029 3823#endif
988174c1 3824
3bb7c1b4
JH		 3825/* *MAX Plus 1. A floating point value.
3826 Hopefully expressed in a way that dodgy floating point can't mess up.
3827 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3828 is added to it
3829 May find that some broken compiler will want the value cast to I32.
3830 [after the shift, as signed >> may not be as secure as unsigned >>]
3831*/
3832#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3833#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3834/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3835 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3836 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3837*/
3838#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3839
3bb7c1b4
JH		 3840#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3841#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3842#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3843
3844/* This may look like unnecessary jumping through hoops, but converting
3845 out of range floating point values to integers *is* undefined behaviour,
3846 and it is starting to bite.
3847*/
3848#ifndef CAST_INLINE
65202027 3849#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3850#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3851#define I_V(what) (cast_iv((NV)(what)))
3852#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3853#else
3854#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3855 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3856 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3857#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3858 : ((n) < U32_MAX_P1 ? (U32) (n) \
3859 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
5d9574c1
DM		 3860#define I_V(n) (LIKELY((n) < IV_MAX_P1) ? (UNLIKELY((n) < IV_MIN) ? IV_MIN : (IV) (n)) \
3861 : (LIKELY((n) < UV_MAX_P1) ? (IV)(UV) (n) \
3bb7c1b4 3862 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
5d9574c1
DM		 3863#define U_V(n) ((n) < 0.0 ? (UNLIKELY((n) < IV_MIN) ? (UV) IV_MIN : (UV)(IV) (n)) \
3864 : (LIKELY((n) < UV_MAX_P1) ? (UV) (n) \
3bb7c1b4
JH		 3865 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3866#endif
3867
3868#define U_S(what) ((U16)U_32(what))
3869#define U_I(what) ((unsigned int)U_32(what))
3870#define U_L(what) U_32(what)
ed6116ce 3871
ed140128
AD		 3872#ifdef HAS_SIGNBIT
3873# define Perl_signbit signbit
3874#endif
3875
2d4389e4
JH		 3876/* These do not care about the fractional part, only about the range. */
3877#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3878#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3879
25da4f38
IZ		 3880/* Used with UV/IV arguments: */
3881 /* XXXX: need to speed it up */
3882#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3883#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3884
352d5a3a
LW		 3885#ifndef MAXSYSFD
3886# define MAXSYSFD 2
3887#endif
ee0007ab 3888
79072805 3889#ifndef __cplusplus
e37d7e38 3890#if !(defined(WIN32) || defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3891Uid_t getuid (void);
3892Uid_t geteuid (void);
3893Gid_t getgid (void);
3894Gid_t getegid (void);
79072805 3895#endif
e1caacb4 3896#endif
8d063cd8 3897
0c30d9ec 3898#ifndef Perl_debug_log
bf49b057
GS		 3899# define Perl_debug_log PerlIO_stderr()
3900#endif
3901
3902#ifndef Perl_error_log
3903# define Perl_error_log (PL_stderrgv \
6b78add2 3904 && isGV(PL_stderrgv) \
01bb7c6d 3905 && GvIOp(PL_stderrgv) \
42de951c 3906 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3907 ? IoOFP(GvIOp(PL_stderrgv)) \
3908 : PerlIO_stderr())
0c30d9ec 3909#endif
3967c732 3910
aea4f609
DM		 3911
3912#define DEBUG_p_FLAG 0x00000001 /* 1 */
3913#define DEBUG_s_FLAG 0x00000002 /* 2 */
3914#define DEBUG_l_FLAG 0x00000004 /* 4 */
3915#define DEBUG_t_FLAG 0x00000008 /* 8 */
3916#define DEBUG_o_FLAG 0x00000010 /* 16 */
3917#define DEBUG_c_FLAG 0x00000020 /* 32 */
3918#define DEBUG_P_FLAG 0x00000040 /* 64 */
3919#define DEBUG_m_FLAG 0x00000080 /* 128 */
3920#define DEBUG_f_FLAG 0x00000100 /* 256 */
3921#define DEBUG_r_FLAG 0x00000200 /* 512 */
3922#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3923#define DEBUG_u_FLAG 0x00000800 /* 2048 */
88d2d28a
JC		 3924/* U is reserved for Unofficial, exploratory hacking */
3925#define DEBUG_U_FLAG 0x00001000 /* 4096 */
aea4f609
DM		 3926#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3927#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3928#define DEBUG_D_FLAG 0x00008000 /* 32768 */
56967202 3929#define DEBUG_S_FLAG 0x00010000 /* 65536 */
aea4f609 3930#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3931#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3932#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3933#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3934#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3935#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3936#define DEBUG_q_FLAG 0x00800000 /*8388608 */
cc8773c0
CS		 3937#define DEBUG_M_FLAG 0x01000000 /*16777216*/
3938#define DEBUG_B_FLAG 0x02000000 /*33554432*/
69014004
KW		 3939#define DEBUG_L_FLAG 0x04000000 /*67108864*/
3940#define DEBUG_MASK 0x07FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3941
3942#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3943#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3944 that something was done? */
aea4f609 3945
bd16a5f0
IZ		 3946# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3947# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3948# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3949# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3950# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3951# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3952# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3953# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3954# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3955# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3956# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3957# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
88d2d28a 3958# define DEBUG_U_TEST_ (PL_debug & DEBUG_U_FLAG)
bd16a5f0
IZ		 3959# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3960# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3961# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
56967202 3962# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
bd16a5f0
IZ		 3963# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3964# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3965# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3966# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3967# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3968# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3969# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
d7c0d282 3970# define DEBUG_M_TEST_ (PL_debug & DEBUG_M_FLAG)
cc8773c0 3971# define DEBUG_B_TEST_ (PL_debug & DEBUG_B_FLAG)
69014004 3972# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
dd2155a4 3973# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
7949c6f5 3974# define DEBUG_Uv_TEST_ (DEBUG_U_TEST_ && DEBUG_v_TEST_)
ad9e76a8 3975# define DEBUG_Pv_TEST_ (DEBUG_P_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3976
3967c732 3977#ifdef DEBUGGING
aea4f609 3978
bd16a5f0
IZ		 3979# define DEBUG_p_TEST DEBUG_p_TEST_
3980# define DEBUG_s_TEST DEBUG_s_TEST_
3981# define DEBUG_l_TEST DEBUG_l_TEST_
3982# define DEBUG_t_TEST DEBUG_t_TEST_
3983# define DEBUG_o_TEST DEBUG_o_TEST_
3984# define DEBUG_c_TEST DEBUG_c_TEST_
3985# define DEBUG_P_TEST DEBUG_P_TEST_
3986# define DEBUG_m_TEST DEBUG_m_TEST_
3987# define DEBUG_f_TEST DEBUG_f_TEST_
3988# define DEBUG_r_TEST DEBUG_r_TEST_
3989# define DEBUG_x_TEST DEBUG_x_TEST_
3990# define DEBUG_u_TEST DEBUG_u_TEST_
88d2d28a 3991# define DEBUG_U_TEST DEBUG_U_TEST_
bd16a5f0
IZ		 3992# define DEBUG_H_TEST DEBUG_H_TEST_
3993# define DEBUG_X_TEST DEBUG_X_TEST_
3994# define DEBUG_D_TEST DEBUG_D_TEST_
56967202 3995# define DEBUG_S_TEST DEBUG_S_TEST_
bd16a5f0
IZ		 3996# define DEBUG_T_TEST DEBUG_T_TEST_
3997# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3998# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3999# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 4000# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 4001# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 4002# define DEBUG_q_TEST DEBUG_q_TEST_
d7c0d282 4003# define DEBUG_M_TEST DEBUG_M_TEST_
cc8773c0 4004# define DEBUG_B_TEST DEBUG_B_TEST_
69014004 4005# define DEBUG_L_TEST DEBUG_L_TEST_
7949c6f5
JC		 4006# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
4007# define DEBUG_Uv_TEST DEBUG_Uv_TEST_
ad9e76a8 4008# define DEBUG_Pv_TEST DEBUG_Pv_TEST_
aea4f609 4009
488b0c7a
JH		 4010# define PERL_DEB(a) a
4011# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 4012# define DEBUG_p(a) if (DEBUG_p_TEST) a
4013# define DEBUG_s(a) if (DEBUG_s_TEST) a
4014# define DEBUG_l(a) if (DEBUG_l_TEST) a
4015# define DEBUG_t(a) if (DEBUG_t_TEST) a
4016# define DEBUG_o(a) if (DEBUG_o_TEST) a
4017# define DEBUG_c(a) if (DEBUG_c_TEST) a
4018# define DEBUG_P(a) if (DEBUG_P_TEST) a
4019
969058bb
VK		 4020 /* Temporarily turn off memory debugging in case the a
4021 * does memory allocation, either directly or indirectly. */
acfe0abc 4022# define DEBUG_m(a) \
0b250b9e 4023 STMT_START { \
aea4f609 4024 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 4025 } STMT_END
aea4f609 4026
5f80b19c
AMS		 4027# define DEBUG__(t, a) \
4028 STMT_START { \
4029 if (t) STMT_START {a;} STMT_END; \
4030 } STMT_END
4031
4032# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
f9f4320a 4033#ifndef PERL_EXT_RE_BUILD
5f80b19c 4034# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
f9f4320a
YO		 4035#else
4036# define DEBUG_r(a) STMT_START {a;} STMT_END
4037#endif /* PERL_EXT_RE_BUILD */
5f80b19c
AMS		 4038# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
4039# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
88d2d28a 4040# define DEBUG_U(a) DEBUG__(DEBUG_U_TEST, a)
5f80b19c
AMS		 4041# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
4042# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
4043# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
7949c6f5
JC		 4044# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
4045# define DEBUG_Uv(a) DEBUG__(DEBUG_Uv_TEST, a)
ad9e76a8 4046# define DEBUG_Pv(a) DEBUG__(DEBUG_Pv_TEST, a)
aea4f609 4047
56967202 4048# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
5f80b19c
AMS		 4049# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
4050# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 4051# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 4052# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 4053# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
4054# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
d7c0d282 4055# define DEBUG_M(a) DEBUG__(DEBUG_M_TEST, a)
cc8773c0 4056# define DEBUG_B(a) DEBUG__(DEBUG_B_TEST, a)
69014004 4057# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
aea4f609
DM		 4058
4059#else /* DEBUGGING */
4060
4061# define DEBUG_p_TEST (0)
4062# define DEBUG_s_TEST (0)
4063# define DEBUG_l_TEST (0)
4064# define DEBUG_t_TEST (0)
4065# define DEBUG_o_TEST (0)
4066# define DEBUG_c_TEST (0)
4067# define DEBUG_P_TEST (0)
4068# define DEBUG_m_TEST (0)
4069# define DEBUG_f_TEST (0)
4070# define DEBUG_r_TEST (0)
4071# define DEBUG_x_TEST (0)
4072# define DEBUG_u_TEST (0)
88d2d28a 4073# define DEBUG_U_TEST (0)
aea4f609
DM		 4074# define DEBUG_H_TEST (0)
4075# define DEBUG_X_TEST (0)
4076# define DEBUG_D_TEST (0)
56967202 4077# define DEBUG_S_TEST (0)
aea4f609 4078# define DEBUG_T_TEST (0)
04932ac8 4079# define DEBUG_R_TEST (0)
1045810a 4080# define DEBUG_J_TEST (0)
d6721266 4081# define DEBUG_v_TEST (0)
46187eeb 4082# define DEBUG_C_TEST (0)
ecae49c0
NC		 4083# define DEBUG_A_TEST (0)
4084# define DEBUG_q_TEST (0)
d7c0d282 4085# define DEBUG_M_TEST (0)
cc8773c0 4086# define DEBUG_B_TEST (0)
69014004 4087# define DEBUG_L_TEST (0)
7949c6f5
JC		 4088# define DEBUG_Xv_TEST (0)
4089# define DEBUG_Uv_TEST (0)
ad9e76a8 4090# define DEBUG_Pv_TEST (0)
aea4f609 4091
488b0c7a
JH		 4092# define PERL_DEB(a)
4093# define PERL_DEBUG(a)
aea4f609
DM		 4094# define DEBUG_p(a)
4095# define DEBUG_s(a)
4096# define DEBUG_l(a)
4097# define DEBUG_t(a)
4098# define DEBUG_o(a)
4099# define DEBUG_c(a)
4100# define DEBUG_P(a)
4101# define DEBUG_m(a)
4102# define DEBUG_f(a)
4103# define DEBUG_r(a)
4104# define DEBUG_x(a)
4105# define DEBUG_u(a)
88d2d28a 4106# define DEBUG_U(a)
aea4f609
DM		 4107# define DEBUG_H(a)
4108# define DEBUG_X(a)
4109# define DEBUG_D(a)
56967202 4110# define DEBUG_S(a)
aea4f609 4111# define DEBUG_T(a)
04932ac8 4112# define DEBUG_R(a)
d6721266 4113# define DEBUG_v(a)
46187eeb 4114# define DEBUG_C(a)
ecae49c0
NC		 4115# define DEBUG_A(a)
4116# define DEBUG_q(a)
d7c0d282 4117# define DEBUG_M(a)
cc8773c0 4118# define DEBUG_B(a)
69014004 4119# define DEBUG_L(a)
7949c6f5
JC		 4120# define DEBUG_Xv(a)
4121# define DEBUG_Uv(a)
ad9e76a8 4122# define DEBUG_Pv(a)
aea4f609
DM		 4123#endif /* DEBUGGING */
4124
4125
b4ab917c 4126#define DEBUG_SCOPE(where) \
d9f81b50 4127 DEBUG_l( \
1c98cc53
DM		 4128 Perl_deb(aTHX_ "%s scope %ld (savestack=%ld) at %s:%d\n", \
4129 where, (long)PL_scopestack_ix, (long)PL_savestack_ix, \
d9f81b50 4130 __FILE__, __LINE__));
b4ab917c 4131
de84dc04 4132/* Keep the old croak based assert for those who want it, and as a fallback if
27ceb597 4133 the platform is so heretically non-ANSI that it can't assert. */
14befaf4 4134
de84dc04 4135#define Perl_assert(what) PERL_DEB( \
2b057284 4136 ((what) ? ((void) 0) : \
67eb4d30 4137 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 4138 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 4139 (void) 0)))
de84dc04 4140
81d52ecd
JH		 4141/* assert() gets defined if DEBUGGING (and I_ASSERT).
4142 * If no DEBUGGING, the <assert.h> has not been included. */
de84dc04
NC		 4143#ifndef assert
4144# define assert(what) Perl_assert(what)
a446a88f 4145#endif
c7724415
FC		 4146#ifdef DEBUGGING
4147# define assert_(what) assert(what),
4148#else
4149# define assert_(what)
4150#endif
8d063cd8 4151
450a55e4 4152struct ufuncs {
24f81a43
DM		 4153 I32 (*uf_val)(pTHX_ IV, SV*);
4154 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 4155 IV uf_index;
450a55e4
LW		 4156};
4157
14befaf4 4158/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 4159 * XS code wanting to be backward compatible can do something
4160 * like the following:
c745e42c 4161
24f81a43 4162#ifndef PERL_MG_UFUNC
24f81a43
DM		 4163#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
4164#endif
4165
4166static PERL_MG_UFUNC(foo_get, index, val)
4167{
4168 sv_setsv(val, ...);
4169 return TRUE;
4170}
4171
4172-- Doug MacEachern
4173
4174*/
4175
fc9c74e6 4176#ifndef PERL_MG_UFUNC
24f81a43 4177#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 4178#endif
24f81a43 4179
fe14fcc3 4180/* Fix these up for __STDC__ */
68dc0745 4181#ifndef DONT_DECLARE_STD
20ce7b12 4182char *mktemp (char*);
37bd1396 4183#ifndef atof
20ce7b12 4184double atof (const char*);
a0d0e21e 4185#endif
37bd1396 4186#endif
79072805 4187
352d5a3a 4188#ifndef STANDARD_C
fe14fcc3 4189/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 4190Time_t time();
8d063cd8 4191struct tm *gmtime(), *localtime();
043fec90 4192#if defined(OEMVS)
9d116dd7
JH		 4193char *(strchr)(), *(strrchr)();
4194char *(strcpy)(), *(strcat)();
4195#else
93a17b20 4196char *strchr(), *strrchr();
378cc40b 4197char *strcpy(), *strcat();
9d116dd7 4198#endif
352d5a3a 4199#endif /* ! STANDARD_C */
8d063cd8 4200
79072805
LW		 4201
4202#ifdef I_MATH
4203# include <math.h>
a80f53e7
CB		 4204# ifdef __VMS
4205 /* isfinite and others are here rather than in math.h as C99 stipulates */
4206# include <fp.h>
4207# endif
79072805 4208#else
32f822de 4209START_EXTERN_C
20ce7b12
GS		 4210 double exp (double);
4211 double log (double);
4212 double log10 (double);
4213 double sqrt (double);
4214 double frexp (double,int*);
4215 double ldexp (double,int);
4216 double modf (double,double*);
4217 double sin (double);
4218 double cos (double);
4219 double atan2 (double,double);
4220 double pow (double,double);
32f822de 4221END_EXTERN_C
79072805
LW		 4222#endif
4223
d074b8ed
JH		 4224#ifdef WIN32
4225# if !defined(NV_INF) && defined(HUGE_VAL)
4226# define NV_INF HUGE_VAL
4227# endif
5c682410
JH		 4228/* For WIN32 the best NV_NAN is the __PL_nan_u trick, see below.
4229 * There is no supported way of getting the NAN across all the crts. */
d074b8ed
JH		 4230#endif
4231
d1183257
JH		 4232/* If you are thinking of using HUGE_VAL for infinity, or using
4233 * <math.h> functions to generate NV_INF (e.g. exp(1e9), log(-1.0)),
4234 * stop. Neither will work portably: HUGE_VAL can be just DBL_MAX,
4235 * and the math functions might be just generating DBL_MAX, or even
4236 * zero. */
4237
b4a3b1ad
JH		 4238#if !defined(NV_INF) && defined(USE_LONG_DOUBLE)
4239# if !defined(NV_INF) && defined(LDBL_INFINITY)
4240# define NV_INF LDBL_INFINITY
4241# endif
4242# if !defined(NV_INF) && defined(INFINITYL)
4243# define NV_INF INFINITYL
4244# endif
aa8b85de
JH		 4245#endif
4246#if !defined(NV_INF) && defined(DBL_INFINITY)
4247# define NV_INF (NV)DBL_INFINITY
4248#endif
4249#if !defined(NV_INF) && defined(INFINITY)
4250# define NV_INF (NV)INFINITY
4251#endif
4252#if !defined(NV_INF) && defined(INF)
4253# define NV_INF (NV)INF
4254#endif
a985cadd 4255#if !defined(NV_INF)
67aa9fab
JH		 4256# if INTSIZE == 4
4257/* At this point we assume the IEEE 754 floating point (and of course,
4258 * we also assume a floating point format that can encode an infinity).
4259 * We will coerce an int32 (which will encode the infinity) into
4260 * a 32-bit float, which will then be cast into NV.
4261 *
4262 * Note that we intentionally use a float and 32-bit int, instead of
4263 * shifting a small integer into a full IV, and from that into a full
4264 * NV, because:
4265 *
4266 * (1) an IV might not be wide enough to cover all the bits of an NV.
4267 * (2) the exponent part (including the infinity and nan bits) of a NV
4268 * might be wider than just 16 bits.
4269 *
4270 * Below the NV_NAN logic has similar __PL_nan_u fallback, the only
4271 * difference being the int32 constant being coerced. */
4272# define __PL_inf_float_int32 0x7F800000
4273static const union { unsigned int __i; float __f; } __PL_inf_u =
4274 { __PL_inf_float_int32 };
4275# define NV_INF ((NV)(__PL_inf_u.__f))
4276# endif
4277#endif
4278#if !defined(NV_INF)
d1183257 4279# define NV_INF ((NV)1.0/0.0) /* Some compilers will warn. */
aa8b85de
JH		 4280#endif
4281
4282#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
4283# if !defined(NV_NAN) && defined(LDBL_NAN)
4284# define NV_NAN LDBL_NAN
4285# endif
b4a3b1ad
JH		 4286# if !defined(NV_NAN) && defined(NANL)
4287# define NV_NAN NANL
4288# endif
aa8b85de
JH		 4289# if !defined(NV_NAN) && defined(LDBL_QNAN)
4290# define NV_NAN LDBL_QNAN
4291# endif
4292# if !defined(NV_NAN) && defined(LDBL_SNAN)
4293# define NV_NAN LDBL_SNAN
4294# endif
4295#endif
4296#if !defined(NV_NAN) && defined(DBL_NAN)
4297# define NV_NAN (NV)DBL_NAN
4298#endif
4299#if !defined(NV_NAN) && defined(DBL_QNAN)
4300# define NV_NAN (NV)DBL_QNAN
4301#endif
4302#if !defined(NV_NAN) && defined(DBL_SNAN)
4303# define NV_NAN (NV)DBL_SNAN
4304#endif
aa8b85de
JH		 4305#if !defined(NV_NAN) && defined(NAN)
4306# define NV_NAN (NV)NAN
4307#endif
b4a3b1ad
JH		 4308#if !defined(NV_NAN) && defined(QNAN)
4309# define NV_NAN (NV)QNAN
4310#endif
a985cadd
JH		 4311#if !defined(NV_NAN) && defined(SNAN)
4312# define NV_NAN (NV)SNAN
4313#endif
67aa9fab
JH		 4314#if !defined(NV_NAN)
4315# if INTSIZE == 4
4316/* See the discussion near __PL_inf_u. */
4317# define __PL_nan_float_int32 0x7FC00000
4318static const union { unsigned int __i; float __f; } __PL_nan_u =
4319 { __PL_nan_float_int32 };
4320# define NV_NAN ((NV)(__PL_nan_u.__f))
4321# endif
4322#endif
4323#if !defined(NV_NAN)
d1183257 4324# define NV_NAN ((NV)0.0/0.0) /* Some compilers will warn. */
d074b8ed 4325#endif
5c682410
JH		 4326/* Do NOT try doing NV_NAN based on NV_INF and trying (NV_INF-NV_INF).
4327 * Though IEEE-754-logically correct, some compilers (like Visual C 2003)
4328 * falsely misoptimize that to zero (x-x is zero, right?) */
aa8b85de 4329
a0d0e21e 4330#ifndef __cplusplus
f05550c0 4331# if !defined(WIN32) && !defined(VMS)
10bc17b6 4332#ifndef crypt
20ce7b12 4333char *crypt (const char*, const char*);
10bc17b6 4334#endif
f05550c0 4335# endif /* !WIN32 */
26618a56
GS		 4336# ifndef DONT_DECLARE_STD
4337# ifndef getenv
20ce7b12 4338char *getenv (const char*);
26618a56 4339# endif /* !getenv */
739a0b84 4340# if !defined(HAS_LSEEK_PROTO) && !defined(__hpux)
0fc67700 4341# ifdef _FILE_OFFSET_BITS
28ca6303 4342# if _FILE_OFFSET_BITS == 64
20ce7b12 4343Off_t lseek (int,Off_t,int);
0fc67700
JH		 4344# endif
4345# endif
bf0c440f 4346# endif
26618a56 4347# endif /* !DONT_DECLARE_STD */
e37d7e38
SH		 4348# ifndef WIN32
4349# ifndef getlogin
20ce7b12 4350char *getlogin (void);
e37d7e38
SH		 4351# endif
4352# endif /* !WIN32 */
26618a56 4353#endif /* !__cplusplus */
79072805 4354
7a7fd8e0
JM		 4355/* Fixme on VMS. This needs to be a run-time, not build time options */
4356/* Also rename() is affected by this */
16d20bd9 4357#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 4358#define UNLINK unlnk
083639a9 4359I32 unlnk (pTHX_ const char*);
8d063cd8 4360#else
80252599 4361#define UNLINK PerlLIO_unlink
8d063cd8 4362#endif
a687059c 4363
fa0a29af
JH		 4364/* some versions of glibc are missing the setresuid() proto */
4365#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 4366int setresuid(uid_t ruid, uid_t euid, uid_t suid);
4367#endif
fa0a29af
JH		 4368/* some versions of glibc are missing the setresgid() proto */
4369#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 4370int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
4371#endif
4372
fe14fcc3 4373#ifndef HAS_SETREUID
85e6fe83
LW		 4374# ifdef HAS_SETRESUID
4375# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
4376# define HAS_SETREUID
4377# endif
a687059c 4378#endif
fe14fcc3 4379#ifndef HAS_SETREGID
85e6fe83
LW		 4380# ifdef HAS_SETRESGID
4381# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
4382# define HAS_SETREGID
4383# endif
a687059c 4384#endif
ee0007ab 4385
d543acb6 4386/* Sighandler_t defined in iperlsys.h */
ff68c719 4387
4388#ifdef HAS_SIGACTION
4389typedef struct sigaction Sigsave_t;
4390#else
4391typedef Sighandler_t Sigsave_t;
4392#endif
4393
ee0007ab
LW		 4394#define SCAN_DEF 0
4395#define SCAN_TR 1
4396#define SCAN_REPL 2
79072805
LW		 4397
4398#ifdef DEBUGGING
4633a7c4 4399# ifndef register
a0d0e21e
LW		 4400# define register
4401# endif
cea2e8a9 4402# define RUNOPS_DEFAULT Perl_runops_debug
79072805 4403#else
cea2e8a9 4404# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 4405#endif
4406
97cb92d6 4407#if defined(USE_PERLIO)
0934c9d9 4408EXTERN_C void PerlIO_teardown(void);
2f44961c 4409# ifdef USE_ITHREADS
6cb8cb21
RGS		 4410# define PERLIO_INIT MUTEX_INIT(&PL_perlio_mutex)
4411# define PERLIO_TERM \
4412 STMT_START { \
d0820ef1 4413 PerlIO_teardown(); \
6cb8cb21
RGS		 4414 MUTEX_DESTROY(&PL_perlio_mutex);\
4415 } STMT_END
4416# else
4417# define PERLIO_INIT
d0820ef1 4418# define PERLIO_TERM PerlIO_teardown()
6cb8cb21 4419# endif
6b29934b
NC		 4420#else
4421# define PERLIO_INIT
4422# define PERLIO_TERM
6cb8cb21
RGS		 4423#endif
4424
18f739ee 4425#ifdef MYMALLOC
772fe5b3 4426# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 4427# define MALLOC_INIT \
4428 STMT_START { \
4429 PL_malloc_mutex = NULL; \
4430 MUTEX_INIT(&PL_malloc_mutex); \
4431 } STMT_END
4432# define MALLOC_TERM \
4433 STMT_START { \
4434 perl_mutex tmp = PL_malloc_mutex; \
4435 PL_malloc_mutex = NULL; \
4436 MUTEX_DESTROY(&tmp); \
4437 } STMT_END
4438# else
4439# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
4440# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
4441# endif
18f739ee
IZ		 4442#else
4443# define MALLOC_INIT
4444# define MALLOC_TERM
4445#endif
4446
cd1541b2 4447#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 4448
4449struct perl_memory_debug_header;
cd1541b2
NC		 4450struct perl_memory_debug_header {
4451 tTHX interpreter;
b001a0d1 4452# if defined(PERL_POISON) || defined(PERL_DEBUG_READONLY_COW)
cd1541b2 4453 MEM_SIZE size;
cd1541b2 4454# endif
7cb608b5
NC		 4455 struct perl_memory_debug_header *prev;
4456 struct perl_memory_debug_header *next;
b001a0d1
FC		 4457# ifdef PERL_DEBUG_READONLY_COW
4458 bool readonly;
4459# endif
4460};
4461
4462#elif defined(PERL_DEBUG_READONLY_COW)
4463
4464struct perl_memory_debug_header;
4465struct perl_memory_debug_header {
4466 MEM_SIZE size;
cd1541b2
NC		 4467};
4468
b001a0d1
FC		 4469#endif
4470
60175f94 4471#if defined (PERL_TRACK_MEMPOOL) || defined (PERL_DEBUG_READONLY_COW)
b001a0d1 4472
a78adc84
DM		 4473# define PERL_MEMORY_DEBUG_HEADER_SIZE \
4474 (sizeof(struct perl_memory_debug_header) + \
cd1541b2
NC		 4475 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
4476 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
4477
d8fca402 4478#else
a78adc84 4479# define PERL_MEMORY_DEBUG_HEADER_SIZE 0
cd1541b2
NC		 4480#endif
4481
7cb608b5 4482#ifdef PERL_TRACK_MEMPOOL
b001a0d1 4483# ifdef PERL_DEBUG_READONLY_COW
7cb608b5
NC		 4484# define INIT_TRACK_MEMPOOL(header, interp) \
4485 STMT_START { \
4486 (header).interpreter = (interp); \
4487 (header).prev = (header).next = &(header); \
b001a0d1 4488 (header).readonly = 0; \
7cb608b5 4489 } STMT_END
b001a0d1
FC		 4490# else
4491# define INIT_TRACK_MEMPOOL(header, interp) \
4492 STMT_START { \
4493 (header).interpreter = (interp); \
4494 (header).prev = (header).next = &(header); \
4495 } STMT_END
4496# endif
4497# else
7cb608b5
NC		 4498# define INIT_TRACK_MEMPOOL(header, interp)
4499#endif
4500
1cd66f7c
DD		 4501#ifdef I_MALLOCMALLOC
4502/* Needed for malloc_size(), malloc_good_size() on some systems */
4503# include <malloc/malloc.h>
4504#endif
4505
ca7c1a29
NC		 4506#ifdef MYMALLOC
4507# define Perl_safesysmalloc_size(where) Perl_malloced_size(where)
cfe52898 4508#else
b001a0d1 4509# if defined(HAS_MALLOC_SIZE) && !defined(PERL_DEBUG_READONLY_COW)
e82be400 4510# ifdef PERL_TRACK_MEMPOOL
cfe52898 4511# define Perl_safesysmalloc_size(where) \
a78adc84 4512 (malloc_size(((char *)(where)) - PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4513# else
4514# define Perl_safesysmalloc_size(where) malloc_size(where)
4515# endif
4516# endif
4517# ifdef HAS_MALLOC_GOOD_SIZE
4518# ifdef PERL_TRACK_MEMPOOL
d8fca402 4519# define Perl_malloc_good_size(how_much) \
a78adc84 4520 (malloc_good_size((how_much) + PERL_MEMORY_DEBUG_HEADER_SIZE) - PERL_MEMORY_DEBUG_HEADER_SIZE)
e82be400
NC		 4521# else
4522# define Perl_malloc_good_size(how_much) malloc_good_size(how_much)
4523# endif
4524# else
d8fca402
NC		 4525/* Having this as the identity operation makes some code simpler. */
4526# define Perl_malloc_good_size(how_much) (how_much)
e82be400 4527# endif
ca7c1a29 4528#endif
b6d9d515 4529
16c91539
BM		 4530typedef int (*runops_proc_t)(pTHX);
4531typedef void (*share_proc_t) (pTHX_ SV *sv);
4532typedef int (*thrhook_proc_t) (pTHX);
4533typedef OP* (*PPADDR_t[]) (pTHX);
4534typedef bool (*destroyable_proc_t) (pTHX_ SV *sv);
4535typedef void (*despatch_signals_proc_t) (pTHX);
22c35a8c 4536
f05550c0
BF		 4537#if defined(__DYNAMIC__) && defined(PERL_DARWIN) && defined(PERL_CORE)
4538# include <crt_externs.h> /* for the env array */
4539# define environ (*_NSGetEnviron())
8f1f23e8
W		 4540#else
4541 /* VMS and some other platforms don't use the environ array */
13b6e58c 4542# ifdef USE_ENVIRON_ARRAY
a6c40364 4543# if !defined(DONT_DECLARE_STD) || \
bdea967c 4544 (defined(__svr4__) && defined(__GNUC__) && defined(__sun)) || \
8d87852b 4545 defined(__sgi)
8f1f23e8 4546extern char ** environ; /* environment variables supplied via exec */
a6c40364 4547# endif
8f1f23e8
W		 4548# endif
4549#endif
79072805 4550
457c5385
NC		 4551#define PERL_PATCHLEVEL_H_IMPLICIT
4552#include "patchlevel.h"
4553#undef PERL_PATCHLEVEL_H_IMPLICIT
4554
4555#define PERL_VERSION_STRING STRINGIFY(PERL_REVISION) "." \
4556 STRINGIFY(PERL_VERSION) "." \
4557 STRINGIFY(PERL_SUBVERSION)
4558
4559#define PERL_API_VERSION_STRING STRINGIFY(PERL_API_REVISION) "." \
4560 STRINGIFY(PERL_API_VERSION) "." \
4561 STRINGIFY(PERL_API_SUBVERSION)
4562
73c4f7a1
GS		 4563START_EXTERN_C
4564
79072805 4565/* handy constants */
22c35a8c 4566EXTCONST char PL_warn_uninit[]
29489e7c 4567 INIT("Use of uninitialized value%s%s%s");
fef7e7a0 4568EXTCONST char PL_warn_uninit_sv[]
61608bb7 4569 INIT("Use of uninitialized value%" SVf "%s%s");
22c35a8c 4570EXTCONST char PL_warn_nosemi[]
463ee0b2 4571 INIT("Semicolon seems to be missing");
22c35a8c 4572EXTCONST char PL_warn_reserved[]
463ee0b2 4573 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 4574EXTCONST char PL_warn_nl[]
93a17b20 4575 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 4576EXTCONST char PL_no_wrongref[]
a0d0e21e 4577 INIT("Can't use %s ref as %s ref");
def89bff
NC		 4578/* The core no longer needs these here. If you require the string constant,
4579 please inline a copy into your own code. */
973a7615
NC		 4580EXTCONST char PL_no_symref[] __attribute__deprecated__
4581 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
def89bff
NC		 4582EXTCONST char PL_no_symref_sv[] __attribute__deprecated__
4583 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 4584EXTCONST char PL_no_usym[]
8990e307 4585 INIT("Can't use an undefined value as %s reference");
22c35a8c 4586EXTCONST char PL_no_aelem[]
93a17b20 4587 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2 4588EXTCONST char PL_no_helem_sv[]
61608bb7 4589 INIT("Modification of non-creatable hash value attempted, subscript \"%" SVf "\"");
22c35a8c 4590EXTCONST char PL_no_modify[]
93a17b20 4591 INIT("Modification of a read-only value attempted");
4cbe3a7d 4592EXTCONST char PL_no_mem[sizeof("Out of memory!\n")]
93a17b20 4593 INIT("Out of memory!\n");
22c35a8c 4594EXTCONST char PL_no_security[]
463ee0b2 4595 INIT("Insecure dependency in %s%s");
22c35a8c 4596EXTCONST char PL_no_sock_func[]
93a17b20 4597 INIT("Unsupported socket function \"%s\" called");
22c35a8c 4598EXTCONST char PL_no_dir_func[]
93a17b20 4599 INIT("Unsupported directory function \"%s\" called");
22c35a8c 4600EXTCONST char PL_no_func[]
93a17b20 4601 INIT("The %s function is unimplemented");
22c35a8c 4602EXTCONST char PL_no_myglob[]
a21eb52b 4603 INIT("\"%s\" %se %s can't be in a package");
82d03984
RGS		 4604EXTCONST char PL_no_localize_ref[]
4605 INIT("Can't localize through a reference");
27d5b266
JH		 4606EXTCONST char PL_memory_wrap[]
4607 INIT("panic: memory wrap");
93a17b20 4608
58f645e2
NC		 4609EXTCONST char PL_Yes[]
4610 INIT("1");
4611EXTCONST char PL_No[]
4612 INIT("");
4613EXTCONST char PL_hexdigit[]
4614 INIT("0123456789abcdef0123456789ABCDEF");
4615
0447859b
NC		 4616/* This is constant on most architectures, a global on OS/2 */
4617#ifndef OS2
4618EXTCONST char PL_sh_path[]
4619 INIT(SH_PATH); /* full path of shell */
4620#endif
4621
618b9757
NC		 4622#ifdef CSH
4623EXTCONST char PL_cshname[]
4624 INIT(CSH);
4625# define PL_cshlen (sizeof(CSH "") - 1)
4626#endif
4627
457c5385
NC		 4628/* These are baked at compile time into any shared perl library.
4629 In future releases this will allow us in main() to sanity test the
4630 library we're linking against. */
4631
4632EXTCONST U8 PL_revision
4633 INIT(PERL_REVISION);
4634EXTCONST U8 PL_version
4635 INIT(PERL_VERSION);
4636EXTCONST U8 PL_subversion
4637 INIT(PERL_SUBVERSION);
4638
7575fa06 4639EXTCONST char PL_uuemap[65]
80252599
GS		 4640 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
4641
79072805 4642#ifdef DOINIT
9444d213 4643EXTCONST char PL_uudmap[256] =
dde5ec2c
NC		 4644# ifdef PERL_MICRO
4645# include "uuudmap.h"
4646# else
4647# include "uudmap.h"
4648# endif
9444d213 4649;
efa50c51 4650EXTCONST char PL_bitcount[256] =
dde5ec2c
NC		 4651# ifdef PERL_MICRO
4652# include "ubitcount.h"
4653#else
4654# include "bitcount.h"
4655# endif
efa50c51 4656;
27da23d5
JH		 4657EXTCONST char* const PL_sig_name[] = { SIG_NAME };
4658EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 4659#else
9444d213 4660EXTCONST char PL_uudmap[256];
efa50c51 4661EXTCONST char PL_bitcount[256];
27da23d5
JH		 4662EXTCONST char* const PL_sig_name[];
4663EXTCONST int PL_sig_num[];
79072805
LW		 4664#endif
4665
6d8e7a01
KW		 4666/* fast conversion and case folding tables. The folding tables complement the
4667 * fold, so that 'a' maps to 'A' and 'A' maps to 'a', ignoring more complicated
4668 * folds such as outside the range or to multiple characters. */
bbce6d69 4669
79072805 4670#ifdef DOINIT
d02f4dad
KW		 4671#ifndef EBCDIC
4672
4673/* The EBCDIC fold table depends on the code page, and hence is found in
4674 * utfebcdic.h */
4675
22c35a8c 4676EXTCONST unsigned char PL_fold[] = {
79072805
LW		 4677 0, 1, 2, 3, 4, 5, 6, 7,
4678 8, 9, 10, 11, 12, 13, 14, 15,
4679 16, 17, 18, 19, 20, 21, 22, 23,
4680 24, 25, 26, 27, 28, 29, 30, 31,
4681 32, 33, 34, 35, 36, 37, 38, 39,
4682 40, 41, 42, 43, 44, 45, 46, 47,
4683 48, 49, 50, 51, 52, 53, 54, 55,
4684 56, 57, 58, 59, 60, 61, 62, 63,
4685 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4686 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4687 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4688 'x', 'y', 'z', 91, 92, 93, 94, 95,
4689 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4690 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4691 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4692 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4693 128, 129, 130, 131, 132, 133, 134, 135,
4694 136, 137, 138, 139, 140, 141, 142, 143,
4695 144, 145, 146, 147, 148, 149, 150, 151,
4696 152, 153, 154, 155, 156, 157, 158, 159,
4697 160, 161, 162, 163, 164, 165, 166, 167,
4698 168, 169, 170, 171, 172, 173, 174, 175,
4699 176, 177, 178, 179, 180, 181, 182, 183,
4700 184, 185, 186, 187, 188, 189, 190, 191,
4701 192, 193, 194, 195, 196, 197, 198, 199,
4702 200, 201, 202, 203, 204, 205, 206, 207,
4703 208, 209, 210, 211, 212, 213, 214, 215,
4704 216, 217, 218, 219, 220, 221, 222, 223,
4705 224, 225, 226, 227, 228, 229, 230, 231,
4706 232, 233, 234, 235, 236, 237, 238, 239,
4707 240, 241, 242, 243, 244, 245, 246, 247,
4708 248, 249, 250, 251, 252, 253, 254, 255
4709};
3871f40b
KW		 4710EXTCONST unsigned char PL_fold_latin1[] = {
4711 /* Full latin1 complement folding, except for three problematic code points:
4712 * Micro sign (181 = 0xB5) and y with diearesis (255 = 0xFF) have their
4713 * fold complements outside the Latin1 range, so can't match something
4714 * that isn't in utf8.
4715 * German lower case sharp s (223 = 0xDF) folds to two characters, 'ss',
4716 * not one, so can't be represented in this table.
4717 *
4718 * All have to be specially handled */
4719 0, 1, 2, 3, 4, 5, 6, 7,
4720 8, 9, 10, 11, 12, 13, 14, 15,
4721 16, 17, 18, 19, 20, 21, 22, 23,
4722 24, 25, 26, 27, 28, 29, 30, 31,
4723 32, 33, 34, 35, 36, 37, 38, 39,
4724 40, 41, 42, 43, 44, 45, 46, 47,
4725 48, 49, 50, 51, 52, 53, 54, 55,
4726 56, 57, 58, 59, 60, 61, 62, 63,
4727 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4728 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4729 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4730 'x', 'y', 'z', 91, 92, 93, 94, 95,
4731 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4732 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4733 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4734 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4735 128, 129, 130, 131, 132, 133, 134, 135,
4736 136, 137, 138, 139, 140, 141, 142, 143,
4737 144, 145, 146, 147, 148, 149, 150, 151,
4738 152, 153, 154, 155, 156, 157, 158, 159,
4739 160, 161, 162, 163, 164, 165, 166, 167,
4740 168, 169, 170, 171, 172, 173, 174, 175,
4741 176, 177, 178, 179, 180, 181 /*micro */, 182, 183,
4742 184, 185, 186, 187, 188, 189, 190, 191,
4743 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4744 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4745 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4746 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223 /* ss */,
4747 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4748 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4749 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4750 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32,
4751 255 /* y with diaeresis */
4752};
00f254e2
KW		 4753
4754/* If these tables are accessed through ebcdic, the access will be converted to
4755 * latin1 first */
4756EXTCONST unsigned char PL_latin1_lc[] = { /* lowercasing */
4757 0, 1, 2, 3, 4, 5, 6, 7,
4758 8, 9, 10, 11, 12, 13, 14, 15,
4759 16, 17, 18, 19, 20, 21, 22, 23,
4760 24, 25, 26, 27, 28, 29, 30, 31,
4761 32, 33, 34, 35, 36, 37, 38, 39,
4762 40, 41, 42, 43, 44, 45, 46, 47,
4763 48, 49, 50, 51, 52, 53, 54, 55,
4764 56, 57, 58, 59, 60, 61, 62, 63,
4765 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4766 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4767 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4768 'x', 'y', 'z', 91, 92, 93, 94, 95,
4769 96, 97, 98, 99, 100, 101, 102, 103,
4770 104, 105, 106, 107, 108, 109, 110, 111,
4771 112, 113, 114, 115, 116, 117, 118, 119,
4772 120, 121, 122, 123, 124, 125, 126, 127,
4773 128, 129, 130, 131, 132, 133, 134, 135,
4774 136, 137, 138, 139, 140, 141, 142, 143,
4775 144, 145, 146, 147, 148, 149, 150, 151,
4776 152, 153, 154, 155, 156, 157, 158, 159,
4777 160, 161, 162, 163, 164, 165, 166, 167,
4778 168, 169, 170, 171, 172, 173, 174, 175,
4779 176, 177, 178, 179, 180, 181, 182, 183,
4780 184, 185, 186, 187, 188, 189, 190, 191,
4781 192+32, 193+32, 194+32, 195+32, 196+32, 197+32, 198+32, 199+32,
4782 200+32, 201+32, 202+32, 203+32, 204+32, 205+32, 206+32, 207+32,
4783 208+32, 209+32, 210+32, 211+32, 212+32, 213+32, 214+32, 215,
4784 216+32, 217+32, 218+32, 219+32, 220+32, 221+32, 222+32, 223,
4785 224, 225, 226, 227, 228, 229, 230, 231,
4786 232, 233, 234, 235, 236, 237, 238, 239,
4787 240, 241, 242, 243, 244, 245, 246, 247,
4788 248, 249, 250, 251, 252, 253, 254, 255
4789};
4790
4791/* upper and title case of latin1 characters, modified so that the three tricky
4792 * ones are mapped to 255 (which is one of the three) */
4793EXTCONST unsigned char PL_mod_latin1_uc[] = {
4794 0, 1, 2, 3, 4, 5, 6, 7,
4795 8, 9, 10, 11, 12, 13, 14, 15,
4796 16, 17, 18, 19, 20, 21, 22, 23,
4797 24, 25, 26, 27, 28, 29, 30, 31,
4798 32, 33, 34, 35, 36, 37, 38, 39,
4799 40, 41, 42, 43, 44, 45, 46, 47,
4800 48, 49, 50, 51, 52, 53, 54, 55,
4801 56, 57, 58, 59, 60, 61, 62, 63,
4802 64, 65, 66, 67, 68, 69, 70, 71,
4803 72, 73, 74, 75, 76, 77, 78, 79,
4804 80, 81, 82, 83, 84, 85, 86, 87,
4805 88, 89, 90, 91, 92, 93, 94, 95,
4806 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4807 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4808 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4809 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4810 128, 129, 130, 131, 132, 133, 134, 135,
4811 136, 137, 138, 139, 140, 141, 142, 143,
4812 144, 145, 146, 147, 148, 149, 150, 151,
4813 152, 153, 154, 155, 156, 157, 158, 159,
4814 160, 161, 162, 163, 164, 165, 166, 167,
4815 168, 169, 170, 171, 172, 173, 174, 175,
4816 176, 177, 178, 179, 180, 255 /*micro*/, 182, 183,
4817 184, 185, 186, 187, 188, 189, 190, 191,
4818 192, 193, 194, 195, 196, 197, 198, 199,
4819 200, 201, 202, 203, 204, 205, 206, 207,
4820 208, 209, 210, 211, 212, 213, 214, 215,
4821 216, 217, 218, 219, 220, 221, 222, 255 /*sharp s*/,
4822 224-32, 225-32, 226-32, 227-32, 228-32, 229-32, 230-32, 231-32,
4823 232-32, 233-32, 234-32, 235-32, 236-32, 237-32, 238-32, 239-32,
4824 240-32, 241-32, 242-32, 243-32, 244-32, 245-32, 246-32, 247,
4825 248-32, 249-32, 250-32, 251-32, 252-32, 253-32, 254-32, 255
4826};
1248eb9d 4827#endif /* !EBCDIC, but still in DOINIT */
00f254e2 4828#else /* ! DOINIT */
1248eb9d 4829# ifndef EBCDIC
22c35a8c 4830EXTCONST unsigned char PL_fold[];
3871f40b 4831EXTCONST unsigned char PL_fold_latin1[];
00f254e2
KW		 4832EXTCONST unsigned char PL_mod_latin1_uc[];
4833EXTCONST unsigned char PL_latin1_lc[];
1248eb9d 4834# endif
79072805
LW		 4835#endif
4836
27da23d5 4837#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 4838#ifdef DOINIT
27da23d5 4839EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 4840 0, 1, 2, 3, 4, 5, 6, 7,
4841 8, 9, 10, 11, 12, 13, 14, 15,
4842 16, 17, 18, 19, 20, 21, 22, 23,
4843 24, 25, 26, 27, 28, 29, 30, 31,
4844 32, 33, 34, 35, 36, 37, 38, 39,
4845 40, 41, 42, 43, 44, 45, 46, 47,
4846 48, 49, 50, 51, 52, 53, 54, 55,
4847 56, 57, 58, 59, 60, 61, 62, 63,
4848 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
4849 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
4850 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
4851 'x', 'y', 'z', 91, 92, 93, 94, 95,
4852 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
4853 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
4854 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
4855 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
4856 128, 129, 130, 131, 132, 133, 134, 135,
4857 136, 137, 138, 139, 140, 141, 142, 143,
4858 144, 145, 146, 147, 148, 149, 150, 151,
4859 152, 153, 154, 155, 156, 157, 158, 159,
4860 160, 161, 162, 163, 164, 165, 166, 167,
4861 168, 169, 170, 171, 172, 173, 174, 175,
4862 176, 177, 178, 179, 180, 181, 182, 183,
4863 184, 185, 186, 187, 188, 189, 190, 191,
4864 192, 193, 194, 195, 196, 197, 198, 199,
4865 200, 201, 202, 203, 204, 205, 206, 207,
4866 208, 209, 210, 211, 212, 213, 214, 215,
4867 216, 217, 218, 219, 220, 221, 222, 223,
4868 224, 225, 226, 227, 228, 229, 230, 231,
4869 232, 233, 234, 235, 236, 237, 238, 239,
4870 240, 241, 242, 243, 244, 245, 246, 247,
4871 248, 249, 250, 251, 252, 253, 254, 255
4872};
4873#else
27da23d5 4874EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 4875#endif
27da23d5 4876#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 4877
4878#ifdef DOINIT
9d116dd7 4879#ifdef EBCDIC
27da23d5 4880EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 4881 1, 2, 84, 151, 154, 155, 156, 157,
4882 165, 246, 250, 3, 158, 7, 18, 29,
4883 40, 51, 62, 73, 85, 96, 107, 118,
4884 129, 140, 147, 148, 149, 150, 152, 153,
4885 255, 6, 8, 9, 10, 11, 12, 13,
4886 14, 15, 24, 25, 26, 27, 28, 226,
4887 29, 30, 31, 32, 33, 43, 44, 45,
4888 46, 47, 48, 49, 50, 76, 77, 78,
4889 79, 80, 81, 82, 83, 84, 85, 86,
4890 87, 94, 95, 234, 181, 233, 187, 190,
4891 180, 96, 97, 98, 99, 100, 101, 102,
4892 104, 112, 182, 174, 236, 232, 229, 103,
4893 228, 226, 114, 115, 116, 117, 118, 119,
4894 120, 121, 122, 235, 176, 230, 194, 162,
4895 130, 131, 132, 133, 134, 135, 136, 137,
4896 138, 139, 201, 205, 163, 217, 220, 224,
4897 5, 248, 227, 244, 242, 255, 241, 231,
4898 240, 253, 16, 197, 19, 20, 21, 187,
4899 23, 169, 210, 245, 237, 249, 247, 239,
4900 168, 252, 34, 196, 36, 37, 38, 39,
4901 41, 42, 251, 254, 238, 223, 221, 213,
4902 225, 177, 52, 53, 54, 55, 56, 57,
4903 58, 59, 60, 61, 63, 64, 65, 66,
4904 67, 68, 69, 70, 71, 72, 74, 75,
4905 205, 208, 186, 202, 200, 218, 198, 179,
4906 178, 214, 88, 89, 90, 91, 92, 93,
4907 217, 166, 170, 207, 199, 209, 206, 204,
4908 160, 212, 105, 106, 108, 109, 110, 111,
4909 203, 113, 216, 215, 192, 175, 193, 243,
4910 172, 161, 123, 124, 125, 126, 127, 128,
4911 222, 219, 211, 195, 188, 193, 185, 184,
4912 191, 183, 141, 142, 143, 144, 145, 146
4913};
4914#else /* ascii rather than ebcdic */
22c35a8c 4915EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 4916 1, 2, 84, 151, 154, 155, 156, 157,
4917 165, 246, 250, 3, 158, 7, 18, 29,
4918 40, 51, 62, 73, 85, 96, 107, 118,
4919 129, 140, 147, 148, 149, 150, 152, 153,
4920 255, 182, 224, 205, 174, 176, 180, 217,
4921 233, 232, 236, 187, 235, 228, 234, 226,
4922 222, 219, 211, 195, 188, 193, 185, 184,
4923 191, 183, 201, 229, 181, 220, 194, 162,
4924 163, 208, 186, 202, 200, 218, 198, 179,
4925 178, 214, 166, 170, 207, 199, 209, 206,
4926 204, 160, 212, 216, 215, 192, 175, 173,
4927 243, 172, 161, 190, 203, 189, 164, 230,
4928 167, 248, 227, 244, 242, 255, 241, 231,
4929 240, 253, 169, 210, 245, 237, 249, 247,
4930 239, 168, 252, 251, 254, 238, 223, 221,
4931 213, 225, 177, 197, 171, 196, 159, 4,
4932 5, 6, 8, 9, 10, 11, 12, 13,
4933 14, 15, 16, 17, 19, 20, 21, 22,
4934 23, 24, 25, 26, 27, 28, 30, 31,
4935 32, 33, 34, 35, 36, 37, 38, 39,
4936 41, 42, 43, 44, 45, 46, 47, 48,
4937 49, 50, 52, 53, 54, 55, 56, 57,
4938 58, 59, 60, 61, 63, 64, 65, 66,
4939 67, 68, 69, 70, 71, 72, 74, 75,
4940 76, 77, 78, 79, 80, 81, 82, 83,
4941 86, 87, 88, 89, 90, 91, 92, 93,
4942 94, 95, 97, 98, 99, 100, 101, 102,
4943 103, 104, 105, 106, 108, 109, 110, 111,
4944 112, 113, 114, 115, 116, 117, 119, 120,
4945 121, 122, 123, 124, 125, 126, 127, 128,
4946 130, 131, 132, 133, 134, 135, 136, 137,
4947 138, 139, 141, 142, 143, 144, 145, 146
4948};
9d116dd7 4949#endif
79072805 4950#else
22c35a8c 4951EXTCONST unsigned char PL_freq[];
79072805
LW		 4952#endif
4953
b0812ba3
DM		 4954/* Although only used for debugging, these constants must be available in
4955 * non-debugging builds too, since they're used in ext/re/re_exec.c,
4956 * which has DEBUGGING enabled always */
8990e307 4957#ifdef DOINIT
27da23d5 4958EXTCONST char* const PL_block_type[] = {
8990e307 4959 "NULL",
d01136d6 4960 "WHEN",
8990e307 4961 "BLOCK",
0d863452 4962 "GIVEN",
d01136d6
BS		 4963 "LOOP_FOR",
4964 "LOOP_PLAIN",
4965 "LOOP_LAZYSV",
4966 "LOOP_LAZYIV",
76753e7f
NC		 4967 "SUB",
4968 "FORMAT",
4969 "EVAL",
4970 "SUBST"
8990e307
LW		 4971};
4972#else
22c35a8c 4973EXTCONST char* PL_block_type[];
8990e307 4974#endif
8990e307 4975
b75885fd
NC		 4976/* These are all the compile time options that affect binary compatibility.
4977 Other compile time options that are binary compatible are in perl.c
4978 Both are combined for the output of perl -V
4979 However, this string will be embedded in any shared perl library, which will
4980 allow us add a comparison check in perlmain.c in the near future. */
4981#ifdef DOINIT
4982EXTCONST char PL_bincompat_options[] =
4983# ifdef DEBUG_LEAKING_SCALARS
4984 " DEBUG_LEAKING_SCALARS"
4985# endif
4986# ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
4987 " DEBUG_LEAKING_SCALARS_FORK_DUMP"
4988# endif
eba804b9
NC		 4989# ifdef FCRYPT
4990 " FCRYPT"
4991# endif
4992# ifdef HAS_TIMES
4993 " HAS_TIMES"
4994# endif
4995# ifdef HAVE_INTERP_INTERN
426f6eb2 4996 " HAVE_INTERP_INTERN"
eba804b9 4997# endif
b75885fd
NC		 4998# ifdef MULTIPLICITY
4999 " MULTIPLICITY"
5000# endif
5001# ifdef MYMALLOC
5002 " MYMALLOC"
5003# endif
eba804b9
NC		 5004# ifdef PERLIO_LAYERS
5005 " PERLIO_LAYERS"
5006# endif
cb26ef7a
MB		 5007# ifdef PERL_DEBUG_READONLY_COW
5008 " PERL_DEBUG_READONLY_COW"
5009# endif
b75885fd
NC		 5010# ifdef PERL_DEBUG_READONLY_OPS
5011 " PERL_DEBUG_READONLY_OPS"
5012# endif
5013# ifdef PERL_GLOBAL_STRUCT
5014 " PERL_GLOBAL_STRUCT"
5015# endif
59dba841
JH		 5016# ifdef PERL_GLOBAL_STRUCT_PRIVATE
5017 " PERL_GLOBAL_STRUCT_PRIVATE"
5018# endif
b75885fd
NC		 5019# ifdef PERL_IMPLICIT_CONTEXT
5020 " PERL_IMPLICIT_CONTEXT"
5021# endif
5022# ifdef PERL_IMPLICIT_SYS
5023 " PERL_IMPLICIT_SYS"
5024# endif
eba804b9
NC		 5025# ifdef PERL_MICRO
5026 " PERL_MICRO"
5027# endif
b75885fd
NC		 5028# ifdef PERL_NEED_APPCTX
5029 " PERL_NEED_APPCTX"
5030# endif
5031# ifdef PERL_NEED_TIMESBASE
5032 " PERL_NEED_TIMESBASE"
5033# endif
5034# ifdef PERL_OLD_COPY_ON_WRITE
5035 " PERL_OLD_COPY_ON_WRITE"
5036# endif
5037# ifdef PERL_POISON
5038 " PERL_POISON"
5039# endif
5b50f57e
FC		 5040# ifdef PERL_SAWAMPERSAND
5041 " PERL_SAWAMPERSAND"
5042# endif
b75885fd
NC		 5043# ifdef PERL_TRACK_MEMPOOL
5044 " PERL_TRACK_MEMPOOL"
5045# endif
5046# ifdef PERL_USES_PL_PIDSTATUS
5047 " PERL_USES_PL_PIDSTATUS"
5048# endif
b75885fd
NC		 5049# ifdef USE_64_BIT_ALL
5050 " USE_64_BIT_ALL"
5051# endif
5052# ifdef USE_64_BIT_INT
5053 " USE_64_BIT_INT"
5054# endif
c7b392fa
NC		 5055# ifdef USE_IEEE
5056 " USE_IEEE"
5057# endif
b75885fd
NC		 5058# ifdef USE_ITHREADS
5059 " USE_ITHREADS"
5060# endif
5061# ifdef USE_LARGE_FILES
5062 " USE_LARGE_FILES"
5063# endif
eba804b9
NC		 5064# ifdef USE_LOCALE_COLLATE
5065 " USE_LOCALE_COLLATE"
5066# endif
5067# ifdef USE_LOCALE_NUMERIC
5068 " USE_LOCALE_NUMERIC"
5069# endif
56e45410
KW		 5070# ifdef USE_LOCALE_TIME
5071 " USE_LOCALE_TIME"
5072# endif
b75885fd
NC		 5073# ifdef USE_LONG_DOUBLE
5074 " USE_LONG_DOUBLE"
5075# endif
5076# ifdef USE_PERLIO
5077 " USE_PERLIO"
5078# endif
05b4a618
JH		 5079# ifdef USE_QUADMATH
5080 " USE_QUADMATH"
5081# endif
b75885fd
NC		 5082# ifdef USE_REENTRANT_API
5083 " USE_REENTRANT_API"
5084# endif
b75885fd
NC		 5085# ifdef USE_SOCKS
5086 " USE_SOCKS"
5087# endif
4f575702
CB		 5088# ifdef VMS_DO_SOCKETS
5089 " VMS_DO_SOCKETS"
4f575702 5090# endif
e8b231c6
CB		 5091# ifdef VMS_SHORTEN_LONG_SYMBOLS
5092 " VMS_SHORTEN_LONG_SYMBOLS"
5093# endif
ad5e438d
NC		 5094# ifdef VMS_WE_ARE_CASE_SENSITIVE
5095 " VMS_SYMBOL_CASE_AS_IS"
5096# endif
a68dd89e 5097 "";
b75885fd
NC		 5098#else
5099EXTCONST char PL_bincompat_options[];
5100#endif
5101
ca7b837b
SM		 5102#ifndef PERL_SET_PHASE
5103# define PERL_SET_PHASE(new_phase) \
cb3f8189 5104 PHASE_CHANGE_PROBE(PL_phase_names[new_phase], PL_phase_names[PL_phase]); \
ca7b837b
SM		 5105 PL_phase = new_phase;
5106#endif
5107
9ebf26ad
FR		 5108/* The interpreter phases. If these ever change, PL_phase_names right below will
5109 * need to be updated accordingly. */
5110enum perl_phase {
5111 PERL_PHASE_CONSTRUCT = 0,
5112 PERL_PHASE_START = 1,
5113 PERL_PHASE_CHECK = 2,
5114 PERL_PHASE_INIT = 3,
5115 PERL_PHASE_RUN = 4,
5116 PERL_PHASE_END = 5,
5117 PERL_PHASE_DESTRUCT = 6
5118};
5119
5120#ifdef DOINIT
5121EXTCONST char *const PL_phase_names[] = {
5122 "CONSTRUCT",
5123 "START",
5124 "CHECK",
5125 "INIT",
5126 "RUN",
5127 "END",
5128 "DESTRUCT"
5129};
5130#else
5131EXTCONST char *const PL_phase_names[];
5132#endif
5133
627364f1
FR		 5134#ifndef PERL_CORE
5135/* Do not use this macro. It only exists for extensions that rely on PL_dirty
5136 * instead of using the newer PL_phase, which provides everything PL_dirty
5137 * provided, and more. */
5138# define PL_dirty (PL_phase == PERL_PHASE_DESTRUCT)
66978156
FC		 5139
5140# define PL_amagic_generation PL_na
627364f1
FR		 5141#endif /* !PERL_CORE */
5142
823ac2c8
FC		 5143#define PL_hints PL_compiling.cop_hints
5144
73c4f7a1
GS		 5145END_EXTERN_C
5146
79072805
LW		 5147/*****************************************************************************/
5148/* This lexer/parser stuff is currently global since yacc is hard to reenter */
5149/*****************************************************************************/
8990e307 5150/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 5151
d4c3c482 5152#ifdef __Lynx__
9cffb111
OS		 5153/* LynxOS defines these in scsi.h which is included via ioctl.h */
5154#ifdef FORMAT
5155#undef FORMAT
5156#endif
5157#ifdef SPACE
5158#undef SPACE
5159#endif
d4c3c482 5160#endif
9cffb111 5161
fb73857a 5162#define LEX_NOTPARSING 11 /* borrowed from toke.c */
5163
79072805
LW		 5164typedef enum {
5165 XOPERATOR,
5166 XTERM,
79072805 5167 XREF,
8990e307 5168 XSTATE,
a0d0e21e 5169 XBLOCK,
09bef843
SB		 5170 XATTRBLOCK,
5171 XATTRTERM,
6f33ba73 5172 XTERMBLOCK,
b5b6210a 5173 XBLOCKTERM,
89f35911 5174 XPOSTDEREF,
6f33ba73 5175 XTERMORDORDOR /* evil hack */
27308ded 5176 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 5177} expectation;
5178
d5ec2987
NC		 5179/* Hints are now stored in a dedicated U32, so the bottom 8 bits are no longer
5180 special and there is no need for HINT_PRIVATE_MASK for COPs
538e84ed
KW		 5181 However, bitops store HINT_INTEGER in their op_private.
5182
5183 NOTE: The typical module using these has the bit value hard-coded, so don't
d6ded950
KW		 5184 blindly change the values of these.
5185
5186 If we run out of bits, the 2 locale ones could be combined. The PARTIAL one
5187 is for "use locale 'FOO'" which excludes some categories. It requires going
5188 to %^H to find out which are in and which are out. This could be extended
5189 for the normal case of a plain HINT_LOCALE, so that %^H would be used for
5190 any locale form. */
9cfe5470
RGS		 5191#define HINT_INTEGER 0x00000001 /* integer pragma */
5192#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
5193#define HINT_LOCALE 0x00000004 /* locale pragma */
5194#define HINT_BYTES 0x00000008 /* bytes pragma */
d6ded950 5195#define HINT_LOCALE_PARTIAL 0x00000010 /* locale, but a subset of categories */
894ea76b
FC		 5196
5197#define HINT_EXPLICIT_STRICT_REFS 0x00000020 /* strict.pm */
5198#define HINT_EXPLICIT_STRICT_SUBS 0x00000040 /* strict.pm */
5199#define HINT_EXPLICIT_STRICT_VARS 0x00000080 /* strict.pm */
85e6fe83
LW		 5200
5201#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 5202#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
5203#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
1863b879 5204#define HINT_UNI_8_BIT 0x00000800 /* unicode_strings feature */
85e6fe83 5205
9cfe5470 5206/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 5207#define HINT_NEW_INTEGER 0x00001000
5208#define HINT_NEW_FLOAT 0x00002000
5209#define HINT_NEW_BINARY 0x00004000
5210#define HINT_NEW_STRING 0x00008000
5211#define HINT_NEW_RE 0x00010000
5212#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
8b850bd5
NC		 5213#define HINT_LEXICAL_IO_IN 0x00040000 /* ${^OPEN} is set for input */
5214#define HINT_LEXICAL_IO_OUT 0x00080000 /* ${^OPEN} is set for output */
b3ac6de7 5215
9cfe5470
RGS		 5216#define HINT_RE_TAINT 0x00100000 /* re pragma */
5217#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 5218
9cfe5470
RGS		 5219#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
5220#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 5221
e46c382e
YK		 5222#define HINT_NO_AMAGIC 0x01000000 /* overloading pragma */
5223
1e215989
FC		 5224#define HINT_RE_FLAGS 0x02000000 /* re '/xism' pragma */
5225
a803b9b4
FC		 5226#define HINT_FEATURE_MASK 0x1c000000 /* 3 bits for feature bundles */
5227
15da1ccf
FC		 5228 /* Note: Used for HINT_M_VMSISH_*,
5229 currently defined by vms/vmsish.h:
894ea76b
FC		 5230 0x40000000
5231 0x80000000
5232 */
d1718a7c 5233
0239f47c 5234/* The following are stored in $^H{sort}, not in PL_hints */
84d4ea48
JH		 5235#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
5236#define HINT_SORT_QUICKSORT 0x00000001
5237#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 5238#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 5239
d3b97530
DM		 5240/* flags for PL_sawampersand */
5241
5242#define SAWAMPERSAND_LEFT 1 /* saw $` */
5243#define SAWAMPERSAND_MIDDLE 2 /* saw $& */
5244#define SAWAMPERSAND_RIGHT 4 /* saw $' */
5245
1a904fc8
FC		 5246#ifndef PERL_SAWAMPERSAND
5247# define PL_sawampersand \
5248 (SAWAMPERSAND_LEFT|SAWAMPERSAND_MIDDLE|SAWAMPERSAND_RIGHT)
5249#endif
5250
a6d69523
TC		 5251/* Used for debugvar magic */
5252#define DBVARMG_SINGLE 0
5253#define DBVARMG_TRACE 1
5254#define DBVARMG_SIGNAL 2
5255#define DBVARMG_COUNT 3
5256
5257#define PL_DBsingle_iv (PL_DBcontrol[DBVARMG_SINGLE])
5258#define PL_DBtrace_iv (PL_DBcontrol[DBVARMG_TRACE])
5259#define PL_DBsignal_iv (PL_DBcontrol[DBVARMG_SIGNAL])
5260
8bfdd7d9 5261/* Various states of the input record separator SV (rs) */
d4cce5f1 5262#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 5263#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
5264#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 5265#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 5266
128e8167 5267/* A struct for keeping various DEBUGGING related stuff,
ce333219 5268 * neatly packed. Currently only scratch variables for
128e8167
JH		 5269 * constructing debug output are included. Needed always,
5270 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 5271struct perl_debug_pad {
5272 SV pad[3];
5273};
5274
5275#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 5276#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
5277 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
5278 PERL_DEBUG_PAD(i))
ce333219 5279
56953603 5280/* Enable variables which are pointers to functions */
16c91539
BM		 5281typedef void (*peep_t)(pTHX_ OP* o);
5282typedef regexp* (*regcomp_t) (pTHX_ char* exp, char* xend, PMOP* pm);
5283typedef I32 (*regexec_t) (pTHX_ regexp* prog, char* stringarg,
0cb96387
GS		 5284 char* strend, char* strbeg, I32 minend,
5285 SV* screamer, void* data, U32 flags);
16c91539 5286typedef char* (*re_intuit_start_t) (pTHX_ regexp *prog, SV *sv,
f722798b
IZ		 5287 char *strpos, char *strend,
5288 U32 flags,
9f61653a 5289 re_scream_pos_data *d);
16c91539
BM		 5290typedef SV* (*re_intuit_string_t) (pTHX_ regexp *prog);
5291typedef void (*regfree_t) (pTHX_ struct regexp* r);
5292typedef regexp* (*regdupe_t) (pTHX_ const regexp* r, CLONE_PARAMS *param);
a932d541 5293typedef I32 (*re_fold_t)(const char *, char const *, I32);
56953603 5294
c76ac1ee 5295typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc 5296typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
f30de749 5297typedef void (*SVFUNC_t) (pTHX_ SV* const);
31e9e0a3 5298typedef I32 (*SVCOMPARE_t) (pTHX_ SV* const, SV* const);
acfe0abc
GS		 5299typedef void (*XSINIT_t) (pTHX);
5300typedef void (*ATEXIT_t) (pTHX_ void*);
5301typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 5302
16c91539
BM		 5303typedef OP* (*Perl_ppaddr_t)(pTHX);
5304typedef OP* (*Perl_check_t) (pTHX_ OP*);
5305typedef void(*Perl_ophook_t)(pTHX_ OP*);
5306typedef int (*Perl_keyword_plugin_t)(pTHX_ char*, STRLEN, OP**);
1830b3d9 5307typedef void(*Perl_cpeep_t)(pTHX_ OP *, OP *);
88e1f1a2 5308
d67594ff
FC		 5309typedef void(*globhook_t)(pTHX);
5310
88e1f1a2
JV		 5311#define KEYWORD_PLUGIN_DECLINE 0
5312#define KEYWORD_PLUGIN_STMT 1
5313#define KEYWORD_PLUGIN_EXPR 2
22239a37 5314
58a50f62
GS		 5315/* Interpreter exitlist entry */
5316typedef struct exitlistentry {
acfe0abc 5317 void (*fn) (pTHX_ void*);
58a50f62
GS		 5318 void *ptr;
5319} PerlExitListEntry;
5320
aadb217d
JH		 5321/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
5322/* These have to be before perlvars.h */
5323#if !defined(HAS_SIGACTION) && defined(VMS)
5324# define FAKE_PERSISTENT_SIGNAL_HANDLERS
5325#endif
5326/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
5327#if defined(KILL_BY_SIGPRC)
5328# define FAKE_DEFAULT_SIGNAL_HANDLERS
5329#endif
5330
8c1cc017
NC		 5331#if !defined(MULTIPLICITY)
5332
5333struct interpreter {
5334 char broiled;
22239a37
NIS		 5335};
5336
8c1cc017 5337#else
22239a37 5338
d460ef45 5339/* If we have multiple interpreters define a struct
d4cce5f1 5340 holding variables which must be per-interpreter
d460ef45 5341 If we don't have threads anything that would have
d4cce5f1
NIS		 5342 be per-thread is per-interpreter.
5343*/
5344
8c1cc017 5345/* Set up PERLVAR macros for populating structs */
115ff745 5346# define PERLVAR(prefix,var,type) type prefix##var;
eb42f199
KW		 5347
5348/* 'var' is an array of length 'n' */
115ff745 5349# define PERLVARA(prefix,var,n,type) type prefix##var[n];
eb42f199
KW		 5350
5351/* initialize 'var' to init' */
115ff745 5352# define PERLVARI(prefix,var,type,init) type prefix##var;
eb42f199
KW		 5353
5354/* like PERLVARI, but make 'var' a const */
115ff745 5355# define PERLVARIC(prefix,var,type,init) type prefix##var;
8c1cc017 5356
79072805 5357struct interpreter {
7766f137 5358# include "intrpvar.h"
49f531da 5359};
d4cce5f1 5360
724cf8d6
NC		 5361EXTCONST U16 PL_interp_size
5362 INIT(sizeof(struct interpreter));
5363
5364# define PERL_INTERPRETER_SIZE_UPTO_MEMBER(member) \
5365 STRUCT_OFFSET(struct interpreter, member) + \
5366 sizeof(((struct interpreter*)0)->member)
5367
5368/* This will be useful for subsequent releases, because this has to be the
5369 same in your libperl as in main(), else you have a mismatch and must abort.
5370*/
d399cf59
NC		 5371EXTCONST U16 PL_interp_size_5_18_0
5372 INIT(PERL_INTERPRETER_SIZE_UPTO_MEMBER(PERL_LAST_5_18_0_INTERP_MEMBER));
724cf8d6
NC		 5373
5374
8c1cc017
NC		 5375# ifdef PERL_GLOBAL_STRUCT
5376/* MULTIPLICITY is automatically defined when PERL_GLOBAL_STRUCT is defined,
5377 hence it's safe and sane to nest this within #ifdef MULTIPLICITY */
5378
5379struct perl_vars {
5380# include "perlvars.h"
49f531da 5381};
8c1cc017 5382
724cf8d6
NC		 5383EXTCONST U16 PL_global_struct_size
5384 INIT(sizeof(struct perl_vars));
5385
8c1cc017
NC		 5386# ifdef PERL_CORE
5387# ifndef PERL_GLOBAL_STRUCT_PRIVATE
5388EXT struct perl_vars PL_Vars;
5389EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
5390# undef PERL_GET_VARS
5391# define PERL_GET_VARS() PL_VarsPtr
5392# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
5393# else /* PERL_CORE */
5394# if !defined(__GNUC__) || !defined(WIN32)
5395EXT
5396# endif /* WIN32 */
5397struct perl_vars *PL_VarsPtr;
5398# define PL_Vars (*((PL_VarsPtr) \
5399 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
5400# endif /* PERL_CORE */
5401# endif /* PERL_GLOBAL_STRUCT */
79072805 5402
22239a37 5403/* Done with PERLVAR macros for now ... */
8c1cc017
NC		 5404# undef PERLVAR
5405# undef PERLVARA
5406# undef PERLVARI
5407# undef PERLVARIC
8c1cc017
NC		 5408
5409#endif /* MULTIPLICITY */
79072805 5410
f7fe979e 5411struct tempsym; /* defined in pp_pack.c */
49704364 5412
22239a37 5413#include "thread.h"
79072805 5414#include "pp.h"
864dbfa3
GS		 5415
5416#ifndef PERL_CALLCONV
a0c21aa1
JH		 5417# ifdef __cplusplus
5418# define PERL_CALLCONV extern "C"
5419# else
5420# define PERL_CALLCONV
5421# endif
d460ef45 5422#endif
12a2785c
DD		 5423#ifndef PERL_CALLCONV_NO_RET
5424# define PERL_CALLCONV_NO_RET PERL_CALLCONV
5425#endif
5426
98c015b7
DD		 5427/* PERL_STATIC_NO_RET is supposed to be equivalent to STATIC on builds that
5428 dont have a noreturn as a declaration specifier
5429*/
5430#ifndef PERL_STATIC_NO_RET
5431# define PERL_STATIC_NO_RET STATIC
5432#endif
5433/* PERL_STATIC_NO_RET is supposed to be equivalent to PERL_STATIC_INLINE on
5434 builds that dont have a noreturn as a declaration specifier
5435*/
5436#ifndef PERL_STATIC_INLINE_NO_RET
5437# define PERL_STATIC_INLINE_NO_RET PERL_STATIC_INLINE
5438#endif
5439
5440
0cb96387
GS		 5441#undef PERL_CKDEF
5442#undef PERL_PPDEF
0159f81b
JH		 5443#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
5444#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 5445
158cfab6
JD		 5446#ifdef MYMALLOC
5447# include "malloc_ctl.h"
5448#endif
5449
7766f137 5450#include "proto.h"
864dbfa3 5451
0cb96387 5452/* this has structure inits, so it cannot be included before here */
acfe0abc 5453#include "opcode.h"
864dbfa3 5454
d4cce5f1
NIS		 5455/* The following must follow proto.h as #defines mess up syntax */
5456
22c35a8c
GS		 5457#if !defined(PERL_FOR_X2P)
5458# include "embedvar.h"
5459#endif
d4cce5f1 5460
d460ef45 5461/* Now include all the 'global' variables
d4cce5f1 5462 * If we don't have threads or multiple interpreters
d460ef45 5463 * these include variables that would have been their struct-s
d4cce5f1 5464 */
d460ef45 5465
115ff745
NC		 5466#define PERLVAR(prefix,var,type) EXT type PL_##var;
5467#define PERLVARA(prefix,var,n,type) EXT type PL_##var[n];
5468#define PERLVARI(prefix,var,type,init) EXT type PL_##var INIT(init);
5469#define PERLVARIC(prefix,var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 5470
acfe0abc 5471#if !defined(MULTIPLICITY)
7766f137 5472START_EXTERN_C
066ef5b5 5473# include "intrpvar.h"
7766f137 5474END_EXTERN_C
22239a37
NIS		 5475#endif
5476
24792b8d
NC		 5477#ifdef PERL_CORE
5478/* All core uses now exterminated. Ensure no zombies can return: */
5479# undef PL_na
5480#endif
5481
f9293c5b
NC		 5482/* Now all the config stuff is setup we can include embed.h
5483 In particular, need the relevant *ish file included already, as it may
5484 define HAVE_INTERP_INTERN */
5485#include "embed.h"
22239a37 5486
c5be433b
GS		 5487#ifndef PERL_GLOBAL_STRUCT
5488START_EXTERN_C
5489
5490# include "perlvars.h"
5491
5492END_EXTERN_C
5493#endif
5494
d4cce5f1 5495#undef PERLVAR
51371543 5496#undef PERLVARA
d4cce5f1 5497#undef PERLVARI
0f3f18a6 5498#undef PERLVARIC
79072805 5499
db6e00bd
DD		 5500#if !defined(MULTIPLICITY)
5501/* Set up PERLVAR macros for populating structs */
5502# define PERLVAR(prefix,var,type) type prefix##var;
5503/* 'var' is an array of length 'n' */
5504# define PERLVARA(prefix,var,n,type) type prefix##var[n];
5505/* initialize 'var' to init' */
5506# define PERLVARI(prefix,var,type,init) type prefix##var;
5507/* like PERLVARI, but make 'var' a const */
5508# define PERLVARIC(prefix,var,type,init) type prefix##var;
5509
5510/* this is never instantiated, is it just used for sizeof(struct PerlHandShakeInterpreter) */
5511struct PerlHandShakeInterpreter {
5512# include "intrpvar.h"
5513};
5514# undef PERLVAR
5515# undef PERLVARA
5516# undef PERLVARI
5517# undef PERLVARIC
5518#endif
5519
73c4f7a1
GS		 5520START_EXTERN_C
5521
af2f0da9
NC		 5522/* dummy variables that hold pointers to both runops functions, thus forcing
5523 * them *both* to get linked in (useful for Peek.xs, debugging etc) */
5524
5525EXTCONST runops_proc_t PL_runops_std
5526 INIT(Perl_runops_standard);
5527EXTCONST runops_proc_t PL_runops_dbg
5528 INIT(Perl_runops_debug);
5529
bc028b6b
JH		 5530/* PERL_GLOBAL_STRUCT_PRIVATE wants to keep global data like the
5531 * magic vtables const, but this is incompatible with SWIG which
5532 * does want to modify the vtables. */
5533#ifdef PERL_GLOBAL_STRUCT_PRIVATE
5534# define EXT_MGVTBL EXTCONST MGVTBL
5535#else
5536# define EXT_MGVTBL EXT MGVTBL
5537#endif
5538
82ff486e 5539#define PERL_MAGIC_READONLY_ACCEPTABLE 0x40
e0a73de4
NC		 5540#define PERL_MAGIC_VALUE_MAGIC 0x80
5541#define PERL_MAGIC_VTABLE_MASK 0x3F
82ff486e
NC		 5542#define PERL_MAGIC_TYPE_READONLY_ACCEPTABLE(t) \
5543 (PL_magic_data[(U8)(t)] & PERL_MAGIC_READONLY_ACCEPTABLE)
e0a73de4
NC		 5544#define PERL_MAGIC_TYPE_IS_VALUE_MAGIC(t) \
5545 (PL_magic_data[(U8)(t)] & PERL_MAGIC_VALUE_MAGIC)
5546
8b09643d 5547#include "mg_vtable.h"
6f83ef0e
NC		 5548
5549#ifdef DOINIT
5550EXTCONST U8 PL_magic_data[256] =
dde5ec2c
NC		 5551# ifdef PERL_MICRO
5552# include "umg_data.h"
5553# else
5554# include "mg_data.h"
5555# endif
6f83ef0e
NC		 5556;
5557#else
5558EXTCONST U8 PL_magic_data[256];
5559#endif
5560
f1fb8741 5561#ifdef DOINIT
e94d9b54 5562 /* NL IV NV PV INV PI PN MG RX GV LV AV HV CV FM IO */
f1fb8741 5563EXTCONST bool
e94d9b54 5564PL_valid_types_IVX[] = { 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5565EXTCONST bool
e94d9b54 5566PL_valid_types_NVX[] = { 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741 5567EXTCONST bool
d361b004 5568PL_valid_types_PVX[] = { 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1 };
f1fb8741 5569EXTCONST bool
e94d9b54 5570PL_valid_types_RV[] = { 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1 };
f1fb8741 5571EXTCONST bool
e94d9b54 5572PL_valid_types_IV_set[] = { 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1 };
f1fb8741 5573EXTCONST bool
e94d9b54 5574PL_valid_types_NV_set[] = { 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
f1fb8741
DM		 5575
5576#else
5577
5578EXTCONST bool PL_valid_types_IVX[];
5579EXTCONST bool PL_valid_types_NVX[];
5580EXTCONST bool PL_valid_types_PVX[];
5581EXTCONST bool PL_valid_types_RV[];
5582EXTCONST bool PL_valid_types_IV_set[];
5583EXTCONST bool PL_valid_types_NV_set[];
5584
5585#endif
5586
cf6e31e9
DM		 5587
5588/* if these never got defined, they need defaults */
5589#ifndef PERL_SET_CONTEXT
5590# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5591#endif
5592
5593#ifndef PERL_GET_CONTEXT
5594# define PERL_GET_CONTEXT PERL_GET_INTERP
5595#endif
5596
5597#ifndef PERL_GET_THX
5598# define PERL_GET_THX ((void*)NULL)
5599#endif
5600
5601#ifndef PERL_SET_THX
5602# define PERL_SET_THX(t) NOOP
5603#endif
5604
5605
c7627e6d
NC		 5606#ifndef PERL_NO_INLINE_FUNCTIONS
5607/* Static inline funcs that depend on includes and declarations above.
5608 Some of these reference functions in the perl object files, and some
5609 compilers aren't smart enough to eliminate unused static inline
5610 functions, so including this file in source code can cause link errors
5611 even if the source code uses none of the functions. Hence including these
5612 can be be suppressed by setting PERL_NO_INLINE_FUNCTIONS. Doing this will
5613 (obviously) result in unworkable XS code, but allows simple probing code
5614 to continue to work, because it permits tests to include the perl headers
5615 for definitions without creating a link dependency on the perl library
5616 (which may not exist yet).
5617*/
5618
5619# include "inline.h"
5620#endif
f1fb8741 5621
bab3dc31 5622#include "overload.h"
a0d0e21e 5623
73c4f7a1
GS		 5624END_EXTERN_C
5625
a6006777 5626struct am_table {
8978b4ac
NC		 5627 U8 flags;
5628 U8 fallback;
5629 U16 spare;
eb160463 5630 U32 was_ok_sub;
9bd87817 5631 CV* table[NofAMmeth];
a0d0e21e 5632};
a6006777 5633struct am_table_short {
8978b4ac
NC		 5634 U8 flags;
5635 U8 fallback;
5636 U16 spare;
eb160463 5637 U32 was_ok_sub;
a6006777 5638};
a0d0e21e 5639typedef struct am_table AMT;
a6006777 5640typedef struct am_table_short AMTS;
a0d0e21e
LW		 5641
5642#define AMGfallNEVER 1
5643#define AMGfallNO 2
5644#define AMGfallYES 3
5645
a6006777 5646#define AMTf_AMAGIC 1
5647#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
5648#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
5649#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
5650
32251b26 5651#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 5652
5653/*
5654 * some compilers like to redefine cos et alia as faster
5655 * (and less accurate?) versions called F_cos et cetera (Quidquid
5656 * latine dictum sit, altum viditur.) This trick collides with
5657 * the Perl overloading (amg). The following #defines fool both.
5658 */
5659
5660#ifdef _FASTMATH
5661# ifdef atan2
5662# define F_atan2_amg atan2_amg
5663# endif
5664# ifdef cos
5665# define F_cos_amg cos_amg
5666# endif
5667# ifdef exp
5668# define F_exp_amg exp_amg
5669# endif
5670# ifdef log
5671# define F_log_amg log_amg
5672# endif
5673# ifdef pow
5674# define F_pow_amg pow_amg
5675# endif
5676# ifdef sin
5677# define F_sin_amg sin_amg
5678# endif
5679# ifdef sqrt
5680# define F_sqrt_amg sqrt_amg
5681# endif
5682#endif /* _FASTMATH */
5683
83ee9e09
GS		 5684#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
5685 PERLDBf_NOOPT | PERLDBf_INTER | \
5686 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
b8fcbefe
NC		 5687 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON | \
5688 PERLDBf_SAVESRC)
925cfbb8 5689 /* No _NONAME, _GOTO */
83ee9e09
GS		 5690#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
5691#define PERLDBf_LINE 0x02 /* Keep line # */
5692#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
5693#define PERLDBf_INTER 0x08 /* Preserve more data for
5694 later inspections */
5695#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
5696#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
5697#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
5698#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
5699#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
5700#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
b8fcbefe 5701#define PERLDBf_SAVESRC 0x400 /* Save source lines into @{"_<$filename"} */
486ec47a 5702#define PERLDBf_SAVESRC_NOSUBS 0x800 /* Including evals that generate no subroutines */
c30d8139 5703#define PERLDBf_SAVESRC_INVALID 0x1000 /* Save source that did not compile */
84902520 5704
8bd38399
DD		 5705#define PERLDB_SUB (PL_perldb & PERLDBf_SUB)
5706#define PERLDB_LINE (PL_perldb & PERLDBf_LINE)
5707#define PERLDB_NOOPT (PL_perldb & PERLDBf_NOOPT)
5708#define PERLDB_INTER (PL_perldb & PERLDBf_INTER)
5709#define PERLDB_SUBLINE (PL_perldb & PERLDBf_SUBLINE)
5710#define PERLDB_SINGLE (PL_perldb & PERLDBf_SINGLE)
5711#define PERLDB_SUB_NN (PL_perldb & PERLDBf_NONAME)
5712#define PERLDB_GOTO (PL_perldb & PERLDBf_GOTO)
5713#define PERLDB_NAMEEVAL (PL_perldb & PERLDBf_NAMEEVAL)
5714#define PERLDB_NAMEANON (PL_perldb & PERLDBf_NAMEANON)
5715#define PERLDB_SAVESRC (PL_perldb & PERLDBf_SAVESRC)
5716#define PERLDB_SAVESRC_NOSUBS (PL_perldb & PERLDBf_SAVESRC_NOSUBS)
5717#define PERLDB_SAVESRC_INVALID (PL_perldb & PERLDBf_SAVESRC_INVALID)
bbce6d69 5718
91191cf7 5719#ifdef USE_LOCALE
d6ded950 5720/* These locale things are all subject to change */
c8bf5ca7 5721/* Returns TRUE if the plain locale pragma without a parameter is in effect
66cbab2c 5722 */
6d62ead0 5723# define IN_LOCALE_RUNTIME cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE)
66cbab2c 5724
c8bf5ca7 5725/* Returns TRUE if either form of the locale pragma is in effect */
6d62ead0 5726# define IN_SOME_LOCALE_FORM_RUNTIME \
d6ded950 5727 cBOOL(CopHINTS_get(PL_curcop) & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
66cbab2c 5728
6d62ead0
KW		 5729# define IN_LOCALE_COMPILETIME cBOOL(PL_hints & HINT_LOCALE)
5730# define IN_SOME_LOCALE_FORM_COMPILETIME \
d6ded950 5731 cBOOL(PL_hints & (HINT_LOCALE|HINT_LOCALE_PARTIAL))
2de3dbcc 5732
6d62ead0 5733# define IN_LOCALE \
923e4eb5 5734 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
6d62ead0 5735# define IN_SOME_LOCALE_FORM \
66cbab2c
KW		 5736 (IN_PERL_COMPILETIME ? IN_SOME_LOCALE_FORM_COMPILETIME \
5737 : IN_SOME_LOCALE_FORM_RUNTIME)
2de3dbcc 5738
6d62ead0
KW		 5739# define IN_LC_ALL_COMPILETIME IN_LOCALE_COMPILETIME
5740# define IN_LC_ALL_RUNTIME IN_LOCALE_RUNTIME
5741
5742# define IN_LC_PARTIAL_COMPILETIME cBOOL(PL_hints & HINT_LOCALE_PARTIAL)
5743# define IN_LC_PARTIAL_RUNTIME \
5744 cBOOL(CopHINTS_get(PL_curcop) & HINT_LOCALE_PARTIAL)
5745
5746# define IN_LC_COMPILETIME(category) \
5747 (IN_LC_ALL_COMPILETIME || (IN_LC_PARTIAL_COMPILETIME \
5748 && _is_in_locale_category(TRUE, (category))))
5749# define IN_LC_RUNTIME(category) \
5750 (IN_LC_ALL_RUNTIME || (IN_LC_PARTIAL_RUNTIME \
5751 && _is_in_locale_category(FALSE, (category))))
5752# define IN_LC(category) \
5753 (IN_LC_COMPILETIME(category) || IN_LC_RUNTIME(category))
d6ded950 5754
91191cf7
KW		 5755#else /* No locale usage */
5756# define IN_LOCALE_RUNTIME 0
5757# define IN_SOME_LOCALE_FORM_RUNTIME 0
5758# define IN_LOCALE_COMPILETIME 0
5759# define IN_SOME_LOCALE_FORM_COMPILETIME 0
5760# define IN_LOCALE 0
5761# define IN_SOME_LOCALE_FORM 0
5762# define IN_LC_ALL_COMPILETIME 0
5763# define IN_LC_ALL_RUNTIME 0
5764# define IN_LC_PARTIAL_COMPILETIME 0
5765# define IN_LC_PARTIAL_RUNTIME 0
5766# define IN_LC_COMPILETIME(category) 0
5767# define IN_LC_RUNTIME(category) 0
5768# define IN_LC(category) 0
5769#endif
5770
6bf09f55
KW		 5771#ifdef USE_LOCALE_NUMERIC
5772
8a11fac9
KW		 5773/* These macros are for toggling between the underlying locale (LOCAL) and the
5774 * C locale. */
5775
5776/* The first set makes sure that the locale is set to C unless within a 'use
5777 * locale's scope; otherwise to the default locale. A function pointer is
5778 * used, which can be declared separately by
5779 * DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED, followed by the actual
5780 * setting (using STORE_LC_NUMERIC_SET_TO_NEEDED()), or the two can be combined
5781 * into one call DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED().
5782 * RESTORE_LC_NUMERIC() in all cases restores the locale to what it was before
5783 * these were called */
5784
aaaeb297 5785#define _NOT_IN_NUMERIC_STANDARD (! PL_numeric_standard)
7738054c
KW		 5786
5787/* We can lock the category to stay in the C locale, making requests to the
5788 * contrary noops, in the dynamic scope by setting PL_numeric_standard to 2 */
5789#define _NOT_IN_NUMERIC_LOCAL (! PL_numeric_local && PL_numeric_standard < 2)
aaaeb297 5790
8a11fac9
KW		 5791#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED \
5792 void (*_restore_LC_NUMERIC_function)(pTHX) = NULL;
5793
5794#define STORE_LC_NUMERIC_SET_TO_NEEDED() \
d6ded950 5795 if (IN_LC(LC_NUMERIC)) { \
aaaeb297
KW		 5796 if (_NOT_IN_NUMERIC_LOCAL) { \
5797 set_numeric_local(); \
8a11fac9
KW		 5798 _restore_LC_NUMERIC_function = &Perl_set_numeric_standard; \
5799 } \
5800 } \
5801 else { \
aaaeb297 5802 if (_NOT_IN_NUMERIC_STANDARD) { \
8a11fac9
KW		 5803 SET_NUMERIC_STANDARD(); \
5804 _restore_LC_NUMERIC_function = &Perl_set_numeric_local; \
5805 } \
5806 }
5807
5808#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED() \
5809 DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED; \
5810 STORE_LC_NUMERIC_SET_TO_NEEDED();
5811
5812#define RESTORE_LC_NUMERIC() \
5813 if (_restore_LC_NUMERIC_function) { \
5814 _restore_LC_NUMERIC_function(aTHX); \
5815 }
5816
5817/* The next two macros set unconditionally. These should be rarely used, and
5818 * only after being sure that this is what is needed */
8d98ede7 5819#define SET_NUMERIC_STANDARD() \
aaaeb297 5820 STMT_START { if (_NOT_IN_NUMERIC_STANDARD) set_numeric_standard(); \
8d98ede7 5821 } STMT_END
87755cd9 5822
8d98ede7 5823#define SET_NUMERIC_LOCAL() \
aaaeb297
KW		 5824 STMT_START { if (_NOT_IN_NUMERIC_LOCAL) \
5825 set_numeric_local(); } STMT_END
87755cd9 5826
8a11fac9
KW		 5827/* The rest of these LC_NUMERIC macros toggle to one or the other state, with
5828 * the RESTORE_foo ones called to switch back, but only if need be */
aaaeb297
KW		 5829#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
5830 bool _was_local = _NOT_IN_NUMERIC_STANDARD; \
5831 if (_was_local) set_numeric_standard();
f93f4e46 5832
b34856cb
KW		 5833/* Doesn't change to underlying locale unless within the scope of some form of
5834 * 'use locale'. This is the usual desired behavior. */
aaaeb297
KW		 5835#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
5836 bool _was_standard = _NOT_IN_NUMERIC_LOCAL \
5837 && IN_LC(LC_NUMERIC); \
5838 if (_was_standard) set_numeric_local();
f93f4e46 5839
371d5d44
KW		 5840/* Rarely, we want to change to the underlying locale even outside of 'use
5841 * locale'. This is principally in the POSIX:: functions */
aaaeb297
KW		 5842#define STORE_NUMERIC_STANDARD_FORCE_LOCAL() \
5843 bool _was_standard = _NOT_IN_NUMERIC_LOCAL; \
5844 if (_was_standard) set_numeric_local();
371d5d44 5845
7738054c
KW		 5846/* Lock to the C locale until unlock is called */
5847#define LOCK_NUMERIC_STANDARD() \
5848 (__ASSERT_(PL_numeric_standard) \
5849 PL_numeric_standard = 2)
5850
5851#define UNLOCK_NUMERIC_STANDARD() \
5852 (__ASSERT_(PL_numeric_standard == 2) \
5853 PL_numeric_standard = 1)
5854
f93f4e46 5855#define RESTORE_NUMERIC_LOCAL() \
aaaeb297 5856 if (_was_local) set_numeric_local();
f93f4e46
CK		 5857
5858#define RESTORE_NUMERIC_STANDARD() \
aaaeb297 5859 if (_was_standard) SET_NUMERIC_STANDARD();
f93f4e46 5860
5b877257 5861#define Atof my_atof
097ee67d 5862
36477c24 5863#else /* !USE_LOCALE_NUMERIC */
bbce6d69 5864
097ee67d
JH		 5865#define SET_NUMERIC_STANDARD() /**/
5866#define SET_NUMERIC_LOCAL() /**/
5e931b6b 5867#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 5868#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
5869#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
8a11fac9 5870#define STORE_NUMERIC_STANDARD_FORCE_LOCAL()
097ee67d
JH		 5871#define RESTORE_NUMERIC_LOCAL() /**/
5872#define RESTORE_NUMERIC_STANDARD() /**/
8a11fac9
KW		 5873#define DECLARATION_FOR_STORE_LC_NUMERIC_SET_TO_NEEDED
5874#define STORE_LC_NUMERIC_SET_TO_NEEDED()
5875#define DECLARE_STORE_LC_NUMERIC_SET_TO_NEEDED()
5876#define RESTORE_LC_NUMERIC()
130c5df3
KW		 5877#define LOCK_NUMERIC_STANDARD()
5878#define UNLOCK_NUMERIC_STANDARD()
8a11fac9 5879
2cdc7fd1 5880#define Atof my_atof
bbce6d69 5881
36477c24 5882#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 5883
05b4a618
JH		 5884#ifdef USE_QUADMATH
5885# define Perl_strtod(s, e) strtoflt128(s, e)
5886#elif defined(HAS_LONG_DOUBLE) && defined(USE_LONG_DOUBLE)
f1b32d61
JH		 5887# if defined(HAS_STRTOLD)
5888# define Perl_strtod(s, e) strtold(s, e)
5889# elif defined(HAS_STRTOD)
5890# define Perl_strtod(s, e) (NV)strtod(s, e) /* Unavoidable loss. */
5891# endif
5892#elif defined(HAS_STRTOD)
5893# define Perl_strtod(s, e) strtod(s, e)
5894#endif
5895
85b76970
SH		 5896#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && \
5897 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5898# ifdef __hpux
5899# define strtoll __strtoll /* secret handshake */
5900# endif
c623ac67
GS		 5901# ifdef WIN64
5902# define strtoll _strtoi64 /* secret handshake */
5903# endif
079290de
GS		 5904# if !defined(Strtol) && defined(HAS_STRTOLL)
5905# define Strtol strtoll
ad551343 5906# endif
28e5dec8
JH		 5907# if !defined(Strtol) && defined(HAS_STRTOQ)
5908# define Strtol strtoq
5909# endif
ff935051 5910/* is there atoq() anywhere? */
15b99d39 5911#endif
079290de
GS		 5912#if !defined(Strtol) && defined(HAS_STRTOL)
5913# define Strtol strtol
5914#endif
5915#ifndef Atol
5916/* It would be more fashionable to use Strtol() to define atol()
5917 * (as is done for Atoul(), see below) but for backward compatibility
5918 * we just assume atol(). */
85b76970
SH		 5919# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && defined(HAS_ATOLL) && \
5920 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
c623ac67
GS		 5921# ifdef WIN64
5922# define atoll _atoi64 /* secret handshake */
5923# endif
76b882ba
JH		 5924# define Atol atoll
5925# else
5926# define Atol atol
5927# endif
cf2093f6
JH		 5928#endif
5929
85b76970
SH		 5930#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && \
5931 (QUADKIND == QUAD_IS_LONG_LONG || QUADKIND == QUAD_IS___INT64)
ec7b9793
JH		 5932# ifdef __hpux
5933# define strtoull __strtoull /* secret handshake */
5934# endif
c623ac67
GS		 5935# ifdef WIN64
5936# define strtoull _strtoui64 /* secret handshake */
5937# endif
ad551343 5938# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 5939# define Strtoul strtoull
15b99d39 5940# endif
079290de
GS		 5941# if !defined(Strtoul) && defined(HAS_STRTOUQ)
5942# define Strtoul strtouq
5943# endif
76d49b1c 5944/* is there atouq() anywhere? */
ad551343 5945#endif
079290de
GS		 5946#if !defined(Strtoul) && defined(HAS_STRTOUL)
5947# define Strtoul strtoul
cf2093f6 5948#endif
a5523c5b
JH		 5949#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
5950# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
5951#endif
079290de 5952#ifndef Atoul
d4c19fe8 5953# define Atoul(s) Strtoul(s, NULL, 10)
55eb892c 5954#endif
cf2093f6 5955
a868473f
NIS		 5956#ifndef PERL_SCRIPT_MODE
5957#define PERL_SCRIPT_MODE "r"
5958#endif
5959
fba3b22e 5960/*
da927450
JH		 5961 * Some operating systems are stingy with stack allocation,
5962 * so perl may have to guard against stack overflow.
5963 */
5964#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5965#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5966#endif
5967
5968/*
5969 * Some nonpreemptive operating systems find it convenient to
5970 * check for asynchronous conditions after each op execution.
5971 * Keep this check simple, or it may slow down execution
5972 * massively.
5973 */
ce08f86c 5974
1d615522 5975#ifndef PERL_MICRO
4ffa73a3 5976# ifndef PERL_ASYNC_CHECK
5d9574c1 5977# define PERL_ASYNC_CHECK() if (UNLIKELY(PL_sig_pending)) PL_signalhook(aTHX)
4ffa73a3 5978# endif
ce08f86c
NIS		 5979#endif
5980
da927450 5981#ifndef PERL_ASYNC_CHECK
1d615522 5982# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5983#endif
5984
5985/*
5986 * On some operating systems, a memory allocation may succeed,
5987 * but put the process too close to the system's comfort limit.
5988 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5989 * it to NULL.
5990 */
5991#ifndef PERL_ALLOC_CHECK
c2af87cb 5992#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5993#endif
5994
bd89102f
AD		 5995#ifdef HAS_SEM
5996# include <sys/ipc.h>
5997# include <sys/sem.h>
5998# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5999 union semun {
dbba660d
TC		 6000 int val;
6001 struct semid_ds *buf;
6002 unsigned short *array;
bd89102f
AD		 6003 };
6004# endif
6005# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 6006# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
6007 union gccbug_semun {
6008 int val;
6009 struct semid_ds *buf;
6010 unsigned short *array;
6011 char __dummy[5];
6012 };
6013# define semun gccbug_semun
6014# endif
bd89102f
AD		 6015# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
6016# else
6017# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 6018# ifdef EXTRA_F_IN_SEMUN_BUF
6019# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
6020# else
6021# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
6022# endif
bd89102f
AD		 6023# endif
6024# endif
bd89102f 6025#endif
49f531da 6026
89ca4ac7
JH		 6027/*
6028 * Boilerplate macros for initializing and accessing interpreter-local
6029 * data from C. All statics in extensions should be reworked to use
7588b095
JH		 6030 * this, if you want to make the extension thread-safe. See
6031 * ext/XS/APItest/APItest.xs for an example of the use of these macros,
6032 * and perlxs.pod for more.
89ca4ac7
JH		 6033 *
6034 * Code that uses these macros is responsible for the following:
43a739c2
JH		 6035 * 1. #define MY_CXT_KEY to a unique string, e.g.
6036 * "DynaLoader::_guts" XS_VERSION
f16dd614 6037 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 6038 * 2. Declare a typedef named my_cxt_t that is a structure that contains
6039 * all the data that needs to be interpreter-local.
6040 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
6041 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
6042 * (typically put in the BOOT: section).
6043 * 5. Use the members of the my_cxt_t structure everywhere as
6044 * MY_CXT.member.
6045 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
6046 * access MY_CXT.
6047 */
6048
fc958cd2 6049#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7 6050
4eddb856 6051/* START_MY_CXT must appear in all extensions that define a my_cxt_t structure,
53d44271
JH		 6052 * right after the definition (i.e. at file scope). The non-threads
6053 * case below uses it to declare the data as static. */
00ab59c9
DM		 6054# ifdef PERL_GLOBAL_STRUCT_PRIVATE
6055# define START_MY_CXT
6056# define MY_CXT_INDEX Perl_my_cxt_index(aTHX_ MY_CXT_KEY)
6057# define MY_CXT_INIT_ARG MY_CXT_KEY
6058# else
6059# define START_MY_CXT static int my_cxt_index = -1;
6060# define MY_CXT_INDEX my_cxt_index
6061# define MY_CXT_INIT_ARG &my_cxt_index
6062# endif /* #ifdef PERL_GLOBAL_STRUCT_PRIVATE */
53d44271
JH		 6063
6064/* Creates and zeroes the per-interpreter data.
6065 * (We allocate my_cxtp in a Perl SV so that it will be released when
6066 * the interpreter goes away.) */
00ab59c9 6067# define MY_CXT_INIT \
53d44271 6068 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6069 (my_cxt_t*)Perl_my_cxt_init(aTHX_ MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6070 PERL_UNUSED_VAR(my_cxtp)
00ab59c9 6071# define MY_CXT_INIT_INTERP(my_perl) \
53d44271 6072 my_cxt_t *my_cxtp = \
9f6df31a
Z		 6073 (my_cxt_t*)Perl_my_cxt_init(my_perl, MY_CXT_INIT_ARG, sizeof(my_cxt_t)); \
6074 PERL_UNUSED_VAR(my_cxtp)
53d44271
JH		 6075
6076/* This declaration should be used within all functions that use the
6077 * interpreter-local data. */
00ab59c9 6078# define dMY_CXT \
53d44271 6079 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[MY_CXT_INDEX]
00ab59c9 6080# define dMY_CXT_INTERP(my_perl) \
53d44271
JH		 6081 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[MY_CXT_INDEX]
6082
6083/* Clones the per-interpreter data. */
00ab59c9 6084# define MY_CXT_CLONE \
53d44271
JH		 6085 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
6086 Copy(PL_my_cxt_list[MY_CXT_INDEX], my_cxtp, 1, my_cxt_t);\
6087 PL_my_cxt_list[MY_CXT_INDEX] = my_cxtp \
6088
53d44271 6089
89ca4ac7 6090/* This macro must be used to access members of the my_cxt_t structure.
870598ae 6091 * e.g. MY_CXT.some_data */
00ab59c9 6092# define MY_CXT (*my_cxtp)
89ca4ac7
JH		 6093
6094/* Judicious use of these macros can reduce the number of times dMY_CXT
6095 * is used. Use is similar to pTHX, aTHX etc. */
00ab59c9
DM		 6096# define pMY_CXT my_cxt_t *my_cxtp
6097# define pMY_CXT_ pMY_CXT,
6098# define _pMY_CXT ,pMY_CXT
6099# define aMY_CXT my_cxtp
6100# define aMY_CXT_ aMY_CXT,
6101# define _aMY_CXT ,aMY_CXT
89ca4ac7 6102
f16dd614 6103#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7 6104
00ab59c9
DM		 6105# define START_MY_CXT static my_cxt_t my_cxt;
6106# define dMY_CXT_SV dNOOP
6107# define dMY_CXT dNOOP
6108# define dMY_CXT_INTERP(my_perl) dNOOP
6109# define MY_CXT_INIT NOOP
6110# define MY_CXT_CLONE NOOP
6111# define MY_CXT my_cxt
6112
6113# define pMY_CXT void
6114# define pMY_CXT_
6115# define _pMY_CXT
6116# define aMY_CXT
6117# define aMY_CXT_
6118# define _aMY_CXT
89ca4ac7 6119
f16dd614 6120#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 6121
9a34ef1d
GS		 6122#ifdef I_FCNTL
6123# include <fcntl.h>
9a34ef1d
GS		 6124#endif
6125
9cffb111
OS		 6126#ifdef __Lynx__
6127# include <fcntl.h>
6128#endif
6129
9a34ef1d
GS		 6130#ifdef I_SYS_FILE
6131# include <sys/file.h>
6132#endif
6133
fa0a29af 6134#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 6135int flock(int fd, int op);
6136#endif
6137
fe52b3b7
GS		 6138#ifndef O_RDONLY
6139/* Assume UNIX defaults */
6140# define O_RDONLY 0000
6141# define O_WRONLY 0001
6142# define O_RDWR 0002
6143# define O_CREAT 0100
6144#endif
9a34ef1d 6145
16fe6d59
GS		 6146#ifndef O_BINARY
6147# define O_BINARY 0
6148#endif
6149
6150#ifndef O_TEXT
6151# define O_TEXT 0
6152#endif
6153
6ce75a77 6154#if O_TEXT != O_BINARY
38d96942 6155 /* If you have different O_TEXT and O_BINARY and you are a CRLF shop,
6ce75a77 6156 * that is, you are somehow DOSish. */
b6c36746
NC		 6157# if defined(__HAIKU__) || defined(__VOS__) || defined(__CYGWIN__)
6158 /* Haiku has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
6159 * Haiku is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 6160 /* VOS has O_TEXT != O_BINARY, and they have effect,
6161 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 6162 /* If you have O_TEXT different from your O_BINARY but you still are
6163 * not a CRLF shop. */
35990314 6164# undef PERLIO_USING_CRLF
ec53fe4f
JH		 6165# else
6166 /* If you really are DOSish. */
6167# define PERLIO_USING_CRLF 1
6ce75a77
JH		 6168# endif
6169#endif
6170
4bc88a62
PS		 6171#ifdef I_LIBUTIL
6172# include <libutil.h> /* setproctitle() in some FreeBSDs */
6173#endif
6174
b4748376 6175#ifndef EXEC_ARGV_CAST
360ea906 6176#define EXEC_ARGV_CAST(x) (char **)x
b4748376
NIS		 6177#endif
6178
dd5dc04f
JH		 6179#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
6180 int). value returned in pointed-
6181 to UV */
6182#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
6183#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
6184#define IS_NUMBER_NEG 0x08 /* leading minus sign */
6185#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 6186#define IS_NUMBER_NAN 0x20 /* this is not */
3f7602fa 6187#define IS_NUMBER_TRAILING 0x40 /* number has trailing trash */
dd5dc04f
JH		 6188
6189#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
6190
53305cf1
NC		 6191/* Input flags: */
6192#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 6193#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 6194#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
02470786
KW		 6195#define PERL_SCAN_SILENT_NON_PORTABLE 0x08 /* grok_??? not warn about very large
6196 numbers which are <= UV_MAX */
3f7602fa
TC		 6197#define PERL_SCAN_TRAILING 0x10 /* grok_number_flags() allow trailing
6198 and set IS_NUMBER_TRAILING */
6199
53305cf1
NC		 6200/* Output flags: */
6201#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
6202
2c4f7f0e
DM		 6203/* to let user control profiling */
6204#ifdef PERL_GPROF_CONTROL
6205extern void moncontrol(int);
6206#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
6207#else
6208#define PERL_GPROF_MONCONTROL(x)
6209#endif
6210
ae0e3d3b
JH		 6211#ifdef UNDER_CE
6212#include "wince.h"
6213#endif
6214
6215/* ISO 6429 NEL - C1 control NExt Line */
6216/* See http://www.unicode.org/unicode/reports/tr13/ */
ec34087a 6217#define NEXT_LINE_CHAR NEXT_LINE_NATIVE
ae0e3d3b
JH		 6218
6219/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
6220#define UNICODE_LINE_SEPA_0 0xE2
6221#define UNICODE_LINE_SEPA_1 0x80
6222#define UNICODE_LINE_SEPA_2 0xA8
6223#define UNICODE_PARA_SEPA_0 0xE2
6224#define UNICODE_PARA_SEPA_1 0x80
6225#define UNICODE_PARA_SEPA_2 0xA9
6226
479b2847
GS		 6227#ifndef PIPESOCK_MODE
6228# define PIPESOCK_MODE
6229#endif
6230
460c8493
IZ		 6231#ifndef SOCKET_OPEN_MODE
6232# define SOCKET_OPEN_MODE PIPESOCK_MODE
6233#endif
6234
6235#ifndef PIPE_OPEN_MODE
6236# define PIPE_OPEN_MODE PIPESOCK_MODE
6237#endif
6238
7e8c5dac
HS		 6239#define PERL_MAGIC_UTF8_CACHESIZE 2
6240
a05d7ebb
JH		 6241#define PERL_UNICODE_STDIN_FLAG 0x0001
6242#define PERL_UNICODE_STDOUT_FLAG 0x0002
6243#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 6244#define PERL_UNICODE_IN_FLAG 0x0008
6245#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 6246#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 6247#define PERL_UNICODE_LOCALE_FLAG 0x0040
6248#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5a22a2bb 6249#define PERL_UNICODE_UTF8CACHEASSERT_FLAG 0x0100
a05d7ebb 6250
06e66572
JH		 6251#define PERL_UNICODE_STD_FLAG \
6252 (PERL_UNICODE_STDIN_FLAG | \
6253 PERL_UNICODE_STDOUT_FLAG | \
6254 PERL_UNICODE_STDERR_FLAG)
6255
6256#define PERL_UNICODE_INOUT_FLAG \
6257 (PERL_UNICODE_IN_FLAG | \
6258 PERL_UNICODE_OUT_FLAG)
6259
6260#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 6261 (PERL_UNICODE_STD_FLAG | \
6262 PERL_UNICODE_INOUT_FLAG | \
6263 PERL_UNICODE_LOCALE_FLAG)
6264
5a22a2bb 6265#define PERL_UNICODE_ALL_FLAGS 0x01ff
a05d7ebb
JH		 6266
6267#define PERL_UNICODE_STDIN 'I'
6268#define PERL_UNICODE_STDOUT 'O'
6269#define PERL_UNICODE_STDERR 'E'
6270#define PERL_UNICODE_STD 'S'
6271#define PERL_UNICODE_IN 'i'
6272#define PERL_UNICODE_OUT 'o'
6273#define PERL_UNICODE_INOUT 'D'
6274#define PERL_UNICODE_ARGV 'A'
6275#define PERL_UNICODE_LOCALE 'L'
6276#define PERL_UNICODE_WIDESYSCALLS 'W'
5a22a2bb 6277#define PERL_UNICODE_UTF8CACHEASSERT 'a'
a05d7ebb 6278
4ffa73a3
JH		 6279#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
6280
32fdb065 6281/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 6282 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 6283#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
6284
3c0f78ca
JH		 6285#if defined(__DECC) && defined(__osf__)
6286#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 6287#endif
6288
e4dba786
NC		 6289#define do_open(g, n, l, a, rm, rp, sf) \
6290 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 6291#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 6292# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 6293#endif
15871fce
NC		 6294#ifdef OS2
6295# define do_aexec Perl_do_aexec
6296#else
6297# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 6298#endif
e4dba786 6299
c8028aa6
TC		 6300/* check embedded \0 characters in pathnames passed to syscalls,
6301 but allow one ending \0 */
41188aa0 6302#define IS_SAFE_SYSCALL(p, len, what, op_name) (S_is_safe_syscall(aTHX_ (p), (len), (what), (op_name)))
c8028aa6 6303
41188aa0 6304#define IS_SAFE_PATHNAME(p, len, op_name) IS_SAFE_SYSCALL((p), (len), "pathname", (op_name))
c8028aa6 6305
2f3efc97
JH		 6306#if defined(OEMVS)
6307#define NO_ENV_ARRAY_IN_MAIN
6308#endif
6309
00f254e2
KW		 6310/* These are used by Perl_pv_escape() and Perl_pv_pretty()
6311 * are here so that they are available throughout the core
10edeb5d
JH		 6312 * NOTE that even though some are for _escape and some for _pretty
6313 * there must not be any clashes as the flags from _pretty are
6314 * passed straight through to _escape.
6315 */
6316
4420a417 6317#define PERL_PV_ESCAPE_QUOTE 0x000001
10edeb5d
JH		 6318#define PERL_PV_PRETTY_QUOTE PERL_PV_ESCAPE_QUOTE
6319
4420a417
YO		 6320#define PERL_PV_PRETTY_ELLIPSES 0x000002
6321#define PERL_PV_PRETTY_LTGT 0x000004
6322#define PERL_PV_PRETTY_EXACTSIZE 0x000008
10edeb5d 6323
4420a417
YO		 6324#define PERL_PV_ESCAPE_UNI 0x000100
6325#define PERL_PV_ESCAPE_UNI_DETECT 0x000200
6326#define PERL_PV_ESCAPE_NONASCII 0x000400
6327#define PERL_PV_ESCAPE_FIRSTCHAR 0x000800
10edeb5d 6328
4420a417
YO		 6329#define PERL_PV_ESCAPE_ALL 0x001000
6330#define PERL_PV_ESCAPE_NOBACKSLASH 0x002000
6331#define PERL_PV_ESCAPE_NOCLEAR 0x004000
6332#define PERL_PV_PRETTY_NOCLEAR PERL_PV_ESCAPE_NOCLEAR
6333#define PERL_PV_ESCAPE_RE 0x008000
10edeb5d 6334
4420a417 6335#define PERL_PV_ESCAPE_DWIM 0x010000
0eb335df 6336
881a015e 6337
10edeb5d 6338/* used by pv_display in dump.c*/
95b611b0 6339#define PERL_PV_PRETTY_DUMP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_QUOTE
c89df6cf 6340#define PERL_PV_PRETTY_REGPROP PERL_PV_PRETTY_ELLIPSES|PERL_PV_PRETTY_LTGT|PERL_PV_ESCAPE_RE|PERL_PV_ESCAPE_NONASCII
10edeb5d
JH		 6341
6342/*
6343
6344 (KEEP THIS LAST IN perl.h!)
6345
6346 Mention
d460ef45 6347
43999f95 6348 NV_PRESERVES_UV
fe749a9f 6349
fe749a9f
JH		 6350 HAS_MKSTEMP
6351 HAS_MKSTEMPS
6352 HAS_MKDTEMP
6353
49dabb45
JH		 6354 HAS_GETCWD
6355
d59b5429 6356 HAS_MMAP
fe749a9f
JH		 6357 HAS_MPROTECT
6358 HAS_MSYNC
1e8c3fde 6359 HAS_MADVISE
fe749a9f
JH		 6360 HAS_MUNMAP
6361 I_SYSMMAN
6362 Mmap_t
6363
6b4667fc
A		 6364 NVef
6365 NVff
6366 NVgf
6367
4e0554ec 6368 HAS_UALARM
2d736872 6369 HAS_USLEEP
4e0554ec
JH		 6370
6371 HAS_SETITIMER
6372 HAS_GETITIMER
6373
6374 HAS_SENDMSG
6375 HAS_RECVMSG
6376 HAS_READV
6377 HAS_WRITEV
6378 I_SYSUIO
6379 HAS_STRUCT_MSGHDR
6380 HAS_STRUCT_CMSGHDR
6381
2765b840 6382 HAS_NL_LANGINFO
0a7020c9 6383
ae0e3d3b 6384 HAS_DIRFD
2765b840 6385
10edeb5d 6386 so that Configure picks them up.
ab3bbdeb 6387
10edeb5d 6388 (KEEP THIS LAST IN perl.h!)
3df15adc 6389
10edeb5d 6390*/
3df15adc 6391
85e6fe83 6392#endif /* Include guard */
e9a8c099
MHM		 6393
6394/*
6395 * Local variables:
6396 * c-indentation-style: bsd
6397 * c-basic-offset: 4
14d04a33 6398 * indent-tabs-mode: nil
e9a8c099
MHM		 6399 * End:
6400 *
14d04a33 6401 * ex: set ts=8 sts=4 sw=4 et:
e9a8c099 6402 */
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