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a0d0e21e 1/* perl.h
a687059c 2 *
bc89e66f 3 * Copyright (c) 1987-2001, Larry Wall
a687059c 4 *
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5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
85e6fe83
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9#ifndef H_PERL
10#define H_PERL 1
8d063cd8 11
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12#ifdef PERL_FOR_X2P
13/*
d460ef45 14 * This file is being used for x2p stuff.
760ac839 15 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 16 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 17 */
55497cff 18#undef MULTIPLICITY
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19#undef USE_STDIO
20#define USE_STDIO
21#endif /* PERL_FOR_X2P */
22
0cb96387 23#define VOIDUSED 1
d460ef45 24#ifdef PERL_MICRO
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25# include "uconfig.h"
26#else
27# include "config.h"
28#endif
0cb96387 29
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30#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
31# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
32#endif
33
34/* XXX This next guard can disappear if the sources are revised
35 to use USE_5005THREADS throughout. -- A.D 1/6/2000
36*/
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37#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
38# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
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39#endif
40
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41/* See L<perlguts/"The Perl API"> for detailed notes on
42 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
43
6f4183fe 44#ifdef USE_ITHREADS
acfe0abc 45# if !defined(MULTIPLICITY)
6f4183fe
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46# define MULTIPLICITY
47# endif
48#endif
49
4d1ff10f 50#ifdef USE_5005THREADS
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51# ifndef PERL_IMPLICIT_CONTEXT
52# define PERL_IMPLICIT_CONTEXT
53# endif
c5be433b
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54#endif
55
c5be433b
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56#if defined(MULTIPLICITY)
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
c5be433b
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60#endif
61
c5be433b 62#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 63# ifdef USE_5005THREADS
c5be433b 64struct perl_thread;
24e8e624 65# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 66# define aTHX thr
411caa50 67# define dTHR dNOOP /* only backward compatibility */
fd89de3a 68# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 69# else
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70# ifndef MULTIPLICITY
71# define MULTIPLICITY
72# endif
24e8e624 73# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 74# define aTHX my_perl
fd89de3a 75# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 76# endif
fd89de3a 77# define dTHX pTHX = PERL_GET_THX
c5be433b 78# define pTHX_ pTHX,
c5be433b 79# define aTHX_ aTHX,
894356b3
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80# define pTHX_1 2
81# define pTHX_2 3
82# define pTHX_3 4
83# define pTHX_4 5
c5be433b
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84#endif
85
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86#define STATIC static
87#define CPERLscope(x) x
565764a8 88#define CPERLarg void
76e3520e 89#define CPERLarg_
e3b8966e 90#define _CPERLarg
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91#define PERL_OBJECT_THIS
92#define _PERL_OBJECT_THIS
93#define PERL_OBJECT_THIS_
312caa8e 94#define CALL_FPTR(fptr) (*fptr)
76e3520e 95
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96#define CALLRUNOPS CALL_FPTR(PL_runops)
97#define CALLREGCOMP CALL_FPTR(PL_regcompp)
98#define CALLREGEXEC CALL_FPTR(PL_regexecp)
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99#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
100#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
101#define CALLREGFREE CALL_FPTR(PL_regfree)
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102
103#ifdef PERL_FLEXIBLE_EXCEPTIONS
104# define CALLPROTECT CALL_FPTR(PL_protect)
105#endif
312caa8e 106
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107#ifdef HASATTRIBUTE
108# define PERL_UNUSED_DECL __attribute__((unused))
109#else
110# define PERL_UNUSED_DECL
111#endif
112
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113/* gcc -Wall:
114 * for silencing unused variables that are actually used most of the time,
115 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
116 */
117#define PERL_UNUSED_VAR(var) if (0) var = var
118
0cb96387 119#define NOOP (void)0
44dbb695 120#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 121
0cb96387
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122#ifndef pTHX
123# define pTHX void
124# define pTHX_
0cb96387
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125# define aTHX
126# define aTHX_
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127# define dTHXa(a) dNOOP
128# define dTHX dNOOP
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129# define pTHX_1 1
130# define pTHX_2 2
131# define pTHX_3 3
132# define pTHX_4 4
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133#endif
134
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135/* these are only defined for compatibility; should not be used internally */
136#if !defined(pTHXo) && !defined(PERL_CORE)
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137# define pTHXo pTHX
138# define pTHXo_ pTHX_
0cb96387
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139# define aTHXo aTHX
140# define aTHXo_ aTHX_
c5be433b 141# define dTHXo dTHX
71d280e3 142# define dTHXoa(x) dTHXa(x)
0cb96387
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143#endif
144
145#ifndef pTHXx
146# define pTHXx register PerlInterpreter *my_perl
147# define pTHXx_ pTHXx,
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148# define aTHXx my_perl
149# define aTHXx_ aTHXx,
c5be433b 150# define dTHXx dTHX
22c35a8c 151#endif
71be2cbc 152
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153/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
154 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
155 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
156#ifdef PERL_IMPLICIT_SYS
157# define dTHXs dTHX
158#else
159# define dTHXs dNOOP
160#endif
161
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162#undef START_EXTERN_C
163#undef END_EXTERN_C
164#undef EXTERN_C
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165#ifdef __cplusplus
166# define START_EXTERN_C extern "C" {
167# define END_EXTERN_C }
168# define EXTERN_C extern "C"
169#else
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170# define START_EXTERN_C
171# define END_EXTERN_C
73c4f7a1 172# define EXTERN_C extern
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173#endif
174
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175#ifdef OP_IN_REGISTER
176# ifdef __GNUC__
177# define stringify_immed(s) #s
178# define stringify(s) stringify_immed(s)
d1ca3daa 179register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
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180# endif
181#endif
182
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183/*
184 * STMT_START { statements; } STMT_END;
185 * can be used as a single statement, as in
186 * if (x) STMT_START { ... } STMT_END; else ...
187 *
188 * Trying to select a version that gives no warnings...
189 */
190#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 191# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
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192# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
193# define STMT_END )
194# else
195 /* Now which other defined()s do we need here ??? */
196# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
197# define STMT_START if (1)
198# define STMT_END else (void)0
199# else
200# define STMT_START do
201# define STMT_END while (0)
202# endif
203# endif
204#endif
205
0cb96387 206#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 207#define WITH_THR(s) WITH_THX(s)
ea0efc06 208
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209/*
210 * SOFT_CAST can be used for args to prototyped functions to retain some
211 * type checking; it only casts if the compiler does not know prototypes.
212 */
213#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
214#define SOFT_CAST(type)
215#else
216#define SOFT_CAST(type) (type)
217#endif
79072805 218
6ee623d5 219#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
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220# define BYTEORDER 0x1234
221#endif
222
223/* Overall memory policy? */
224#ifndef CONSERVATIVE
225# define LIBERAL 1
226#endif
227
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228#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
229#define ASCIIish
230#else
231#undef ASCIIish
232#endif
233
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234/*
235 * The following contortions are brought to you on behalf of all the
236 * standards, semi-standards, de facto standards, not-so-de-facto standards
237 * of the world, as well as all the other botches anyone ever thought of.
238 * The basic theory is that if we work hard enough here, the rest of the
239 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
240 */
ac58e20f 241
ee0007ab 242/* define this once if either system, instead of cluttering up the src */
2986a63f 243#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
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244#define DOSISH 1
245#endif
246
2986a63f 247#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
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248# define STANDARD_C 1
249#endif
250
2986a63f 251#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745
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252# define DONT_DECLARE_STD 1
253#endif
254
352d5a3a 255#if defined(HASVOLATILE) || defined(STANDARD_C)
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256# ifdef __cplusplus
257# define VOL // to temporarily suppress warnings
258# else
259# define VOL volatile
260# endif
663a0e37 261#else
79072805 262# define VOL
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263#endif
264
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265#define TAINT (PL_tainted = TRUE)
266#define TAINT_NOT (PL_tainted = FALSE)
267#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
268#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 269#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 270
d460ef45 271/* XXX All process group stuff is handled in pp_sys.c. Should these
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PP
272 defines move there? If so, I could simplify this a lot. --AD 9/96.
273*/
274/* Process group stuff changed from traditional BSD to POSIX.
275 perlfunc.pod documents the traditional BSD-style syntax, so we'll
276 try to preserve that, if possible.
277*/
278#ifdef HAS_SETPGID
279# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 280#else
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281# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
282# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
283# else
284# ifdef HAS_SETPGRP2 /* DG/UX */
285# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
286# endif
287# endif
288#endif
289#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
290# define HAS_SETPGRP /* Well, effectively it does . . . */
291#endif
292
293/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
294 our life easier :-) so we'll try it.
295*/
296#ifdef HAS_GETPGID
297# define BSD_GETPGRP(pid) getpgid((pid))
298#else
299# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
300# define BSD_GETPGRP(pid) getpgrp((pid))
301# else
302# ifdef HAS_GETPGRP2 /* DG/UX */
303# define BSD_GETPGRP(pid) getpgrp2((pid))
304# endif
305# endif
306#endif
307#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
308# define HAS_GETPGRP /* Well, effectively it does . . . */
309#endif
310
d460ef45 311/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de
PP
312 have different behaviors, but perl.h used to define USE_BSDPGRP
313 (prior to 5.003_05) so some extension might depend on it.
314*/
315#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
316# ifndef USE_BSDPGRP
317# define USE_BSDPGRP
318# endif
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319#endif
320
3d62afa2 321/* Use the reentrant APIs like localtime_r and getpwent_r */
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322/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
323#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32)
d8916601 324# define USE_REENTRANT_API
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325#endif
326
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327/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
328 pthread.h must be included before all other header files.
329*/
4d1ff10f 330#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 331 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
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332# include <pthread.h>
333#endif
334
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335#ifndef _TYPES_ /* If types.h defines this it's easy. */
336# ifndef major /* Does everyone's types.h define this? */
337# include <sys/types.h>
c07a80fd 338# endif
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339#endif
340
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341#ifdef __cplusplus
342# ifndef I_STDARG
343# define I_STDARG 1
344# endif
345#endif
346
347#ifdef I_STDARG
348# include <stdarg.h>
349#else
350# ifdef I_VARARGS
351# include <varargs.h>
352# endif
353#endif
354
4633a7c4 355#ifdef USE_NEXT_CTYPE
0c30d9ec 356
092bebab
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357#if NX_CURRENT_COMPILER_RELEASE >= 500
358# include <bsd/ctypes.h>
359#else
360# if NX_CURRENT_COMPILER_RELEASE >= 400
361# include <objc/NXCType.h>
362# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
363# include <appkit/NXCType.h>
364# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
365#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
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366
367#else /* !USE_NEXT_CTYPE */
fe14fcc3 368#include <ctype.h>
0c30d9ec 369#endif /* USE_NEXT_CTYPE */
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370
371#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
372#undef METHOD
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373#endif
374
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375#ifdef PERL_MICRO
376# define NO_LOCALE
377#endif
378
4633a7c4 379#ifdef I_LOCALE
36477c24 380# include <locale.h>
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381#endif
382
36477c24
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383#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
384# define USE_LOCALE
385# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
386 && defined(HAS_STRXFRM)
387# define USE_LOCALE_COLLATE
388# endif
389# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
390# define USE_LOCALE_CTYPE
391# endif
392# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
393# define USE_LOCALE_NUMERIC
394# endif
395#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 396
fe14fcc3 397#include <setjmp.h>
79072805 398
a0d0e21e 399#ifdef I_SYS_PARAM
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400# ifdef PARAM_NEEDS_TYPES
401# include <sys/types.h>
402# endif
403# include <sys/param.h>
352d5a3a 404#endif
79072805 405
79072805 406/* Use all the "standard" definitions? */
a0d0e21e 407#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 408# include <stdlib.h>
ff68c719 409#endif
03a14243 410
3f270f98
JH
411/* If this causes problems, set i_unistd=undef in the hint file. */
412#ifdef I_UNISTD
413# include <unistd.h>
414#endif
415
fa0a29af 416#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO)
2ef53570
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417int syscall(int, ...);
418#endif
419
fa0a29af
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420#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
421int usleep(unsigned int);
2ef53570
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422#endif
423
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424#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
425# define MYSWAP
426#endif
427
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428/* Cannot include embed.h here on Win32 as win32.h has not
429 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
430 */
d18c6117 431#if !defined(PERL_FOR_X2P) && !defined(WIN32)
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432# include "embed.h"
433#endif
434
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435#define MEM_SIZE Size_t
436
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437#if defined(STANDARD_C) && defined(I_STDDEF)
438# include <stddef.h>
439# define STRUCT_OFFSET(s,m) offsetof(s,m)
440#else
441# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
442#endif
443
444#if defined(I_STRING) || defined(__cplusplus)
445# include <string.h>
446#else
447# include <strings.h>
448#endif
449
55497cff
PP
450/* This comes after <stdlib.h> so we don't try to change the standard
451 * library prototypes; we'll use our own in proto.h instead. */
03a14243 452
4633a7c4 453#ifdef MYMALLOC
86058a2d 454# ifdef PERL_POLLUTE_MALLOC
ee13e175 455# ifndef PERL_EXTMALLOC_DEF
86058a2d
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456# define Perl_malloc malloc
457# define Perl_calloc calloc
458# define Perl_realloc realloc
459# define Perl_mfree free
ee13e175 460# endif
86058a2d
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461# else
462# define EMBEDMYMALLOC /* for compatibility */
463# endif
20ce7b12
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464Malloc_t Perl_malloc (MEM_SIZE nbytes);
465Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
466Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
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467/* 'mfree' rather than 'free', since there is already a 'perl_free'
468 * that causes clashes with case-insensitive linkers */
20ce7b12 469Free_t Perl_mfree (Malloc_t where);
55497cff 470
827e134a
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471typedef struct perl_mstats perl_mstats_t;
472
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473# define safemalloc Perl_malloc
474# define safecalloc Perl_calloc
475# define saferealloc Perl_realloc
476# define safefree Perl_mfree
f2517201
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477#else /* MYMALLOC */
478# define safemalloc safesysmalloc
479# define safecalloc safesyscalloc
480# define saferealloc safesysrealloc
481# define safefree safesysfree
55497cff 482#endif /* MYMALLOC */
4633a7c4 483
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484#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
485#define strchr index
486#define strrchr rindex
487#endif
488
16d20bd9
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489#ifdef I_MEMORY
490# include <memory.h>
491#endif
492
fe14fcc3 493#ifdef HAS_MEMCPY
85e6fe83 494# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 495# ifndef memcpy
20ce7b12 496 extern char * memcpy (char*, char*, int);
ee0007ab
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497# endif
498# endif
499#else
500# ifndef memcpy
501# ifdef HAS_BCOPY
502# define memcpy(d,s,l) bcopy(s,d,l)
503# else
504# define memcpy(d,s,l) my_bcopy(s,d,l)
505# endif
506# endif
507#endif /* HAS_MEMCPY */
fe14fcc3 508
ee0007ab 509#ifdef HAS_MEMSET
85e6fe83 510# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 511# ifndef memset
20ce7b12 512 extern char *memset (char*, int, int);
ee0007ab
LW
513# endif
514# endif
ee0007ab 515#else
12ae5dfc 516# undef memset
fc36a67e 517# define memset(d,c,l) my_memset(d,c,l)
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LW
518#endif /* HAS_MEMSET */
519
85e6fe83 520#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 521# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
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522# define memmove(d,s,l) bcopy(s,d,l)
523# else
2304df62 524# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 525# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 526# else
79072805 527# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 528# endif
352d5a3a 529# endif
d9d8d8de 530#endif
ee0007ab 531
36477c24
PP
532#if defined(mips) && defined(ultrix) && !defined(__STDC__)
533# undef HAS_MEMCMP
534#endif
535
536#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 537# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 538# ifndef memcmp
20ce7b12 539 extern int memcmp (char*, char*, int);
ee0007ab
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540# endif
541# endif
36477c24
PP
542# ifdef BUGGY_MSC
543 # pragma function(memcmp)
544# endif
ee0007ab
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545#else
546# ifndef memcmp
ecfc5424 547# define memcmp my_memcmp
352d5a3a 548# endif
36477c24 549#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 550
fc36a67e 551#ifndef memzero
c635e13b
PP
552# ifdef HAS_MEMSET
553# define memzero(d,l) memset(d,0,l)
79072805 554# else
c635e13b
PP
555# ifdef HAS_BZERO
556# define memzero(d,l) bzero(d,l)
79072805 557# else
fc36a67e 558# define memzero(d,l) my_bzero(d,l)
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559# endif
560# endif
d9d8d8de 561#endif
378cc40b 562
0f27ced1
JH
563#ifndef memchr
564# ifndef HAS_MEMCHR
565# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
566# endif
567#endif
568
36477c24
PP
569#ifndef HAS_BCMP
570# ifndef bcmp
571# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 572# endif
36477c24 573#endif /* !HAS_BCMP */
378cc40b 574
ae986130 575#ifdef I_NETINET_IN
79072805 576# include <netinet/in.h>
ae986130
LW
577#endif
578
28e8609d
JH
579#ifdef I_ARPA_INET
580# include <arpa/inet.h>
581#endif
582
84902520
TB
583#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
584/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
585 * (the neo-BSD seem to do this). */
586# undef SF_APPEND
587#endif
588
1aef975c 589#ifdef I_SYS_STAT
84902520 590# include <sys/stat.h>
1aef975c 591#endif
79072805 592
a0d0e21e
LW
593/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
594 like UTekV) are broken, sometimes giving false positives. Undefine
595 them here and let the code below set them to proper values.
596
597 The ghs macro stands for GreenHills Software C-1.8.5 which
598 is the C compiler for sysV88 and the various derivatives.
599 This header file bug is corrected in gcc-2.5.8 and later versions.
600 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
601
602#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW
603# undef S_ISDIR
604# undef S_ISCHR
605# undef S_ISBLK
606# undef S_ISREG
607# undef S_ISFIFO
608# undef S_ISLNK
ee0007ab 609#endif
135863df 610
663a0e37
LW
611#ifdef I_TIME
612# include <time.h>
ffed7fef 613#endif
663a0e37 614
fe14fcc3 615#ifdef I_SYS_TIME
85e6fe83 616# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
617# define KERNEL
618# endif
619# include <sys/time.h>
85e6fe83 620# ifdef I_SYS_TIME_KERNEL
663a0e37
LW
621# undef KERNEL
622# endif
a687059c 623#endif
135863df 624
55497cff 625#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 626# include <sys/times.h>
d9d8d8de 627#endif
8d063cd8 628
fe14fcc3 629#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 630# undef HAS_STRERROR
663a0e37
LW
631#endif
632
633#include <errno.h>
1e743fda 634
acfe0abc 635#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS
636# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
637#endif
638
4e0554ec
JH
639/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
640#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
641# define _SOCKADDR_LEN
642#endif
643
8d3f517a 644#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH
645# include <sys/socket.h>
646# if defined(USE_SOCKS) && defined(I_SOCKS)
647# if !defined(INCLUDE_PROTOTYPES)
648# define INCLUDE_PROTOTYPES /* for <socks.h> */
649# define PERL_SOCKS_NEED_PROTOTYPES
650# endif
4d1ff10f 651# ifdef USE_5005THREADS
c3dedce1 652# define PERL_USE_THREADS /* store our value */
4d1ff10f 653# undef USE_5005THREADS
c3dedce1 654# endif
1e743fda 655# include <socks.h>
4d1ff10f
AB
656# ifdef USE_5005THREADS
657# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH
658# endif
659# ifdef PERL_USE_THREADS
4d1ff10f 660# define USE_5005THREADS /* restore our value */
c3dedce1
JH
661# undef PERL_USE_THREADS
662# endif
1e743fda
JH
663# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
664# undef INCLUDE_PROTOTYPES
665# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 666# endif
d460ef45 667# endif
1e743fda 668# ifdef I_NETDB
2986a63f
JH
669# ifdef NETWARE
670# include<stdio.h>
671# endif
1e743fda
JH
672# include <netdb.h>
673# endif
674# ifndef ENOTSOCK
675# ifdef I_NET_ERRNO
676# include <net/errno.h>
677# endif
678# endif
679#endif
680
fa0a29af 681/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 682 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 683#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH
684int sockatmark(int);
685#endif
686
1e743fda
JH
687#ifdef SETERRNO
688# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 689#endif
f86702cc
PP
690
691#ifdef VMS
692# define SETERRNO(errcode,vmserrcode) \
693 STMT_START { \
694 set_errno(errcode); \
695 set_vaxc_errno(vmserrcode); \
696 } STMT_END
748a9306 697#else
aba27d88 698# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 699#endif
ed6116ce 700
4d1ff10f 701#ifdef USE_5005THREADS
38a03e6e 702# define ERRSV (thr->errsv)
940cb80d
MB
703# define DEFSV THREADSV(0)
704# define SAVE_DEFSV save_threadsv(0)
38a03e6e 705#else
3280af22 706# define ERRSV GvSV(PL_errgv)
3280af22
NIS
707# define DEFSV GvSV(PL_defgv)
708# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 709#endif /* USE_5005THREADS */
38a03e6e 710
98eae8f5
GS
711#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
712
55497cff 713#ifndef errno
5ff3f7a4
GS
714 extern int errno; /* ANSI allows errno to be an lvalue expr.
715 * For example in multithreaded environments
716 * something like this might happen:
717 * extern int *_errno(void);
718 * #define errno (*_errno()) */
d9d8d8de 719#endif
663a0e37 720
2304df62 721#ifdef HAS_STRERROR
a0d0e21e 722# ifdef VMS
20ce7b12 723 char *strerror (int,...);
a0d0e21e 724# else
68dc0745 725#ifndef DONT_DECLARE_STD
20ce7b12 726 char *strerror (int);
68dc0745 727#endif
a0d0e21e 728# endif
2304df62
AD
729# ifndef Strerror
730# define Strerror strerror
731# endif
732#else
733# ifdef HAS_SYS_ERRLIST
79072805
LW
734 extern int sys_nerr;
735 extern char *sys_errlist[];
2304df62
AD
736# ifndef Strerror
737# define Strerror(e) \
79072805 738 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 739# endif
79072805 740# endif
35c8bce7 741#endif
663a0e37 742
2304df62 743#ifdef I_SYS_IOCTL
79072805
LW
744# ifndef _IOCTL_
745# include <sys/ioctl.h>
746# endif
a687059c
LW
747#endif
748
ee0007ab 749#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW
750# ifdef HAS_SOCKETPAIR
751# undef HAS_SOCKETPAIR
752# endif
2304df62
AD
753# ifdef I_NDBM
754# undef I_NDBM
79072805 755# endif
a687059c
LW
756#endif
757
a687059c 758#if INTSIZE == 2
79072805
LW
759# define htoni htons
760# define ntohi ntohs
a687059c 761#else
79072805
LW
762# define htoni htonl
763# define ntohi ntohl
a687059c
LW
764#endif
765
a0d0e21e 766/* Configure already sets Direntry_t */
35c8bce7 767#if defined(I_DIRENT)
663a0e37 768# include <dirent.h>
8f1f23e8
W
769 /* NeXT needs dirent + sys/dir.h */
770# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW
771# include <sys/dir.h>
772# endif
ae986130 773#else
fe14fcc3 774# ifdef I_SYS_NDIR
79a0689e 775# include <sys/ndir.h>
663a0e37 776# else
fe14fcc3 777# ifdef I_SYS_DIR
79a0689e
LW
778# ifdef hp9000s500
779# include <ndir.h> /* may be wrong in the future */
780# else
781# include <sys/dir.h>
782# endif
663a0e37
LW
783# endif
784# endif
4633a7c4 785#endif
a687059c 786
12ae5dfc
JH
787#ifdef PERL_MICRO
788# ifndef DIR
789# define DIR void
790# endif
791#endif
792
352d5a3a
LW
793#ifdef FPUTS_BOTCH
794/* work around botch in SunOS 4.0.1 and 4.0.2 */
795# ifndef fputs
79072805 796# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW
797# endif
798#endif
799
c623bd54
LW
800/*
801 * The following gobbledygook brought to you on behalf of __STDC__.
802 * (I could just use #ifndef __STDC__, but this is more bulletproof
803 * in the face of half-implementations.)
804 */
805
ca6e1c26
JH
806#ifdef I_SYSMODE
807#include <sys/mode.h>
808#endif
809
c623bd54
LW
810#ifndef S_IFMT
811# ifdef _S_IFMT
812# define S_IFMT _S_IFMT
813# else
814# define S_IFMT 0170000
815# endif
816#endif
817
818#ifndef S_ISDIR
819# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
820#endif
821
822#ifndef S_ISCHR
823# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
824#endif
825
826#ifndef S_ISBLK
fe14fcc3
LW
827# ifdef S_IFBLK
828# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
829# else
830# define S_ISBLK(m) (0)
831# endif
c623bd54
LW
832#endif
833
834#ifndef S_ISREG
835# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
836#endif
837
838#ifndef S_ISFIFO
fe14fcc3
LW
839# ifdef S_IFIFO
840# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
841# else
842# define S_ISFIFO(m) (0)
843# endif
c623bd54
LW
844#endif
845
846#ifndef S_ISLNK
847# ifdef _S_ISLNK
848# define S_ISLNK(m) _S_ISLNK(m)
849# else
850# ifdef _S_IFLNK
851# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
852# else
853# ifdef S_IFLNK
854# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
855# else
856# define S_ISLNK(m) (0)
857# endif
858# endif
859# endif
860#endif
861
862#ifndef S_ISSOCK
863# ifdef _S_ISSOCK
864# define S_ISSOCK(m) _S_ISSOCK(m)
865# else
866# ifdef _S_IFSOCK
867# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
868# else
869# ifdef S_IFSOCK
870# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
871# else
872# define S_ISSOCK(m) (0)
873# endif
874# endif
875# endif
876#endif
877
878#ifndef S_IRUSR
879# ifdef S_IREAD
880# define S_IRUSR S_IREAD
881# define S_IWUSR S_IWRITE
882# define S_IXUSR S_IEXEC
883# else
884# define S_IRUSR 0400
885# define S_IWUSR 0200
886# define S_IXUSR 0100
887# endif
fac7cdfc 888#endif
889
890#ifndef S_IRGRP
891# ifdef S_IRUSR
892# define S_IRGRP (S_IRUSR>>3)
893# define S_IWGRP (S_IWUSR>>3)
894# define S_IXGRP (S_IXUSR>>3)
895# else
896# define S_IRGRP 0040
897# define S_IWGRP 0020
898# define S_IXGRP 0010
899# endif
900#endif
901
902#ifndef S_IROTH
903# ifdef S_IRUSR
904# define S_IROTH (S_IRUSR>>6)
905# define S_IWOTH (S_IWUSR>>6)
906# define S_IXOTH (S_IXUSR>>6)
907# else
908# define S_IROTH 0040
909# define S_IWOTH 0020
910# define S_IXOTH 0010
911# endif
c623bd54
LW
912#endif
913
914#ifndef S_ISUID
915# define S_ISUID 04000
916#endif
917
918#ifndef S_ISGID
919# define S_ISGID 02000
920#endif
921
ca6e1c26
JH
922#ifndef S_IRWXU
923# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 924#endif
ca6e1c26
JH
925
926#ifndef S_IRWXG
927# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 928#endif
ca6e1c26
JH
929
930#ifndef S_IRWXO
931# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 932#endif
ca6e1c26
JH
933
934#ifndef S_IREAD
935# define S_IREAD S_IRUSR
936#endif
937
938#ifndef S_IWRITE
939# define S_IWRITE S_IWUSR
940#endif
941
942#ifndef S_IEXEC
943# define S_IEXEC S_IXUSR
944#endif
945
79072805
LW
946#ifdef ff_next
947# undef ff_next
352d5a3a
LW
948#endif
949
a0d0e21e 950#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW
951# define SLOPPYDIVIDE
952#endif
953
748a9306
LW
954#ifdef UV
955#undef UV
956#endif
957
c89df6bf
JH
958#ifdef SPRINTF_E_BUG
959# define sprintf UTS_sprintf_wrap
960#endif
961
c495e728
JH
962/* Configure gets this right but the UTS compiler gets it wrong.
963 -- Hal Morris <hom00@utsglobal.com> */
964#ifdef UTS
965# undef UVTYPE
966# define UVTYPE unsigned
967#endif
968
05f13f53 969/*
27d4fb96
PP
970 The IV type is supposed to be long enough to hold any integral
971 value or a pointer.
972 --Andy Dougherty August 1996
973*/
974
a22e52b9
JH
975typedef IVTYPE IV;
976typedef UVTYPE UV;
8175356b 977
10cc9d2a 978#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 979# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS
980# define IV_MAX INT64_MAX
981# define IV_MIN INT64_MIN
982# define UV_MAX UINT64_MAX
cae7ae48
JH
983# ifndef UINT64_MIN
984# define UINT64_MIN 0
985# endif
5ff3f7a4
GS
986# define UV_MIN UINT64_MIN
987# else
988# define IV_MAX PERL_QUAD_MAX
989# define IV_MIN PERL_QUAD_MIN
990# define UV_MAX PERL_UQUAD_MAX
991# define UV_MIN PERL_UQUAD_MIN
992# endif
cf2093f6
JH
993# define IV_IS_QUAD
994# define UV_IS_QUAD
79072805 995#else
8175356b 996# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS
997# define IV_MAX INT32_MAX
998# define IV_MIN INT32_MIN
716026f9
DL
999# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1000# define UV_MAX UINT32_MAX
1001# else
1002# define UV_MAX 4294967295U
1003# endif
cae7ae48
JH
1004# ifndef UINT32_MIN
1005# define UINT32_MIN 0
1006# endif
5ff3f7a4
GS
1007# define UV_MIN UINT32_MIN
1008# else
1009# define IV_MAX PERL_LONG_MAX
1010# define IV_MIN PERL_LONG_MIN
1011# define UV_MAX PERL_ULONG_MAX
1012# define UV_MIN PERL_ULONG_MIN
1013# endif
8175356b 1014# if IVSIZE == 8
cf2093f6
JH
1015# define IV_IS_QUAD
1016# define UV_IS_QUAD
de1c2614
JH
1017# ifndef HAS_QUAD
1018# define HAS_QUAD
1019# endif
cf2093f6
JH
1020# else
1021# undef IV_IS_QUAD
1022# undef UV_IS_QUAD
de1c2614 1023# undef HAS_QUAD
cf2093f6 1024# endif
79072805 1025#endif
d7d93a81 1026
6cde8aec 1027#if defined(uts) || defined(UTS)
11afe549
HM
1028# undef UV_MAX
1029# define UV_MAX (4294967295u)
20601011
JH
1030#endif
1031
cae7ae48 1032#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1033#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1034
28e5dec8 1035#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1036#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH
1037#endif
1038
d460ef45 1039/*
26bb67e2
JH
1040 * The macros INT2PTR and NUM2PTR are (despite their names)
1041 * bi-directional: they will convert int/float to or from pointers.
1042 * However the conversion to int/float are named explicitly:
1043 * PTR2IV, PTR2UV, PTR2NV.
1044 *
1045 * For int conversions we do not need two casts if pointers are
1046 * the same size as IV and UV. Otherwise we need an explicit
1047 * cast (PTRV) to avoid compiler warnings.
1048 */
56431972
RB
1049#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1050# define PTRV UV
1051# define INT2PTR(any,d) (any)(d)
1052#else
d460ef45 1053# if PTRSIZE == LONGSIZE
56431972 1054# define PTRV unsigned long
42718184 1055# else
56431972 1056# define PTRV unsigned
42718184 1057# endif
56431972 1058# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1059#endif
56431972
RB
1060#define NUM2PTR(any,d) (any)(PTRV)(d)
1061#define PTR2IV(p) INT2PTR(IV,p)
1062#define PTR2UV(p) INT2PTR(UV,p)
1063#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1064#if PTRSIZE == LONGSIZE
d2560b70
RB
1065# define PTR2ul(p) (unsigned long)(p)
1066#else
1067# define PTR2ul(p) INT2PTR(unsigned long,p)
1068#endif
d460ef45 1069
65202027 1070#ifdef USE_LONG_DOUBLE
1048ea30
JH
1071# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1072# define LONG_DOUBLE_EQUALS_DOUBLE
1073# endif
68d4903c 1074# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1075# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS
1076# endif
1077#endif
1078
2d4389e4
JH
1079#ifdef OVR_DBL_DIG
1080/* Use an overridden DBL_DIG */
1081# ifdef DBL_DIG
1082# undef DBL_DIG
1083# endif
1084# define DBL_DIG OVR_DBL_DIG
1085#else
1086/* The following is all to get DBL_DIG, in order to pick a nice
1087 default value for printing floating point numbers in Gconvert.
1088 (see config.h)
1089*/
1090#ifdef I_LIMITS
1091#include <limits.h>
1092#endif
1093#ifdef I_FLOAT
1094#include <float.h>
1095#endif
1096#ifndef HAS_DBL_DIG
1097#define DBL_DIG 15 /* A guess that works lots of places */
1098#endif
1099#endif
cbca01e1
JH
1100#ifdef I_FLOAT
1101#include <float.h>
1102#endif
1103#ifndef HAS_DBL_DIG
1104#define DBL_DIG 15 /* A guess that works lots of places */
1105#endif
2d4389e4
JH
1106
1107#ifdef OVR_LDBL_DIG
1108/* Use an overridden LDBL_DIG */
1109# ifdef LDBL_DIG
1110# undef LDBL_DIG
1111# endif
1112# define LDBL_DIG OVR_LDBL_DIG
1113#else
1114/* The following is all to get LDBL_DIG, in order to pick a nice
1115 default value for printing floating point numbers in Gconvert.
1116 (see config.h)
1117*/
68d4903c
JH
1118# ifdef I_LIMITS
1119# include <limits.h>
1120# endif
1121# ifdef I_FLOAT
1122# include <float.h>
1123# endif
1124# ifndef HAS_LDBL_DIG
1125# if LONG_DOUBLESIZE == 10
1126# define LDBL_DIG 18 /* assume IEEE */
1127# else
1128# if LONG_DOUBLESIZE == 12
1129# define LDBL_DIG 18 /* gcc? */
1130# else
1131# if LONG_DOUBLESIZE == 16
1132# define LDBL_DIG 33 /* assume IEEE */
1133# else
1134# if LONG_DOUBLESIZE == DOUBLESIZE
1135# define LDBL_DIG DBL_DIG /* bummer */
1136# endif
1137# endif
1138# endif
1139# endif
1140# endif
2d4389e4
JH
1141#endif
1142
a22e52b9 1143typedef NVTYPE NV;
8175356b 1144
792d8dab
JH
1145#ifdef I_IEEEFP
1146# include <ieeefp.h>
1147#endif
923fc586 1148
65202027 1149#ifdef USE_LONG_DOUBLE
923fc586
JH
1150# ifdef I_SUNMATH
1151# include <sunmath.h>
1152# endif
2d4389e4 1153# define NV_DIG LDBL_DIG
d6c14000
JH
1154# ifdef LDBL_MANT_DIG
1155# define NV_MANT_DIG LDBL_MANT_DIG
1156# endif
06fc1729
JH
1157# ifdef LDBL_MIN
1158# define NV_MIN LDBL_MIN
1159# endif
1160# ifdef LDBL_MAX
1161# define NV_MAX LDBL_MAX
1162# endif
1163# ifdef LDBL_MIN_10_EXP
1164# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1165# endif
1166# ifdef LDBL_MAX_10_EXP
1167# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1168# endif
1169# ifdef LDBL_EPSILON
1170# define NV_EPSILON LDBL_EPSILON
1171# endif
f4a14a62
JH
1172# ifdef LDBL_MAX
1173# define NV_MAX LDBL_MAX
1174# define NV_MIN LDBL_MIN
1175# else
1176# ifdef HUGE_VALL
1177# define NV_MAX HUGE_VALL
1178# else
1179# ifdef HUGE_VAL
1180# define NV_MAX ((NV)HUGE_VAL)
1181# endif
1182# endif
1183# endif
68d4903c 1184# ifdef HAS_SQRTL
68d4903c
JH
1185# define Perl_cos cosl
1186# define Perl_sin sinl
1187# define Perl_sqrt sqrtl
1188# define Perl_exp expl
1189# define Perl_log logl
1190# define Perl_atan2 atan2l
1191# define Perl_pow powl
1192# define Perl_floor floorl
1193# define Perl_fmod fmodl
1194# endif
a3540c92
JH
1195/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1196# ifdef HAS_MODFL
1197# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH
1198# else
1199# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH
1200# endif
1201# ifdef HAS_FREXPL
dff3e0b8 1202# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH
1203# else
1204# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1205# endif
758a5d79
JH
1206# ifndef Perl_isinf
1207# ifdef HAS_ISNANL
1208# define Perl_isnan(x) isnanl(x)
1209# endif
1210# endif
1211# ifndef Perl_isinf
1212# ifdef HAS_FINITEL
1213# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH
1214# endif
1215# endif
65202027 1216#else
2d4389e4 1217# define NV_DIG DBL_DIG
d6c14000
JH
1218# ifdef DBL_MANT_DIG
1219# define NV_MANT_DIG DBL_MANT_DIG
1220# endif
06fc1729
JH
1221# ifdef DBL_MIN
1222# define NV_MIN DBL_MIN
1223# endif
1224# ifdef DBL_MAX
1225# define NV_MAX DBL_MAX
1226# endif
1227# ifdef DBL_MIN_10_EXP
1228# define NV_MIN_10_EXP DBL_MIN_10_EXP
1229# endif
1230# ifdef DBL_MAX_10_EXP
1231# define NV_MAX_10_EXP DBL_MAX_10_EXP
1232# endif
1233# ifdef DBL_EPSILON
1234# define NV_EPSILON DBL_EPSILON
1235# endif
f4a14a62
JH
1236# ifdef DBL_MAX
1237# define NV_MAX DBL_MAX
1238# define NV_MIN DBL_MIN
1239# else
1240# ifdef HUGE_VAL
1241# define NV_MAX HUGE_VAL
1242# endif
1243# endif
65202027
DS
1244# define Perl_cos cos
1245# define Perl_sin sin
1246# define Perl_sqrt sqrt
1247# define Perl_exp exp
1248# define Perl_log log
1249# define Perl_atan2 atan2
1250# define Perl_pow pow
1251# define Perl_floor floor
65202027 1252# define Perl_fmod fmod
a3540c92 1253# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1254# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH
1255#endif
1256
1257/* rumor has it that Win32 has _fpclass() */
1258
1259#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1260# ifdef I_IEEFP
1261# include <ieeefp.h>
1262# endif
1263# ifdef I_FP
1264# include <fp.h>
1265# endif
1266# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1267# define Perl_fp_class() fpclassl(x)
1268# else
1269# define Perl_fp_class() fpclass(x)
1270# endif
1271# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1272# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1273# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1274# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1275# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1276# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1277# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1278# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1279# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1280# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1281# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1282# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1283# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1284# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1285# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1286#endif
1287
1288#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
1289# include <math.h>
1290# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1291# include <fp_class.h>
1292# endif
1293# define Perl_fp_class(x) fp_class(x)
1294# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1295# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1296# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1297# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1298# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1299# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1300# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1301# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1302# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1303# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1304# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1305# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1306# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1307# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1308# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1309#endif
1310
1311#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1312# include <math.h>
1313# define Perl_fp_class(x) fpclassify(x)
1314# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1315# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1316# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1317# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1318# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1319#endif
1320
1321#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1322# include <math.h>
1323# ifndef _cplusplus
1324# define Perl_fp_class(x) class(x)
1325# else
1326# define Perl_fp_class(x) _class(x)
1327# endif
1328# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1329# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1330# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1331# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1332# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1333# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1334# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1335# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1336# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1337# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1338# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1339# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1340# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1341# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1342# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1343#endif
1344
1345/* rumor has it that Win32 has _isnan() */
1346
1347#ifndef Perl_isnan
a3540c92 1348# ifdef HAS_ISNAN
758a5d79
JH
1349# define Perl_isnan(x) isnan((NV)x)
1350# else
1351# ifdef Perl_fp_class_nan
1352# define Perl_isnan(x) Perl_fp_class_nan(x)
1353# else
1354# ifdef HAS_UNORDERED
1355# define Perl_isnan(x) unordered((x), 0.0)
1356# else
1357# define Perl_isnan(x) ((x)!=(x))
1358# endif
1359# endif
1360# endif
1361#endif
1362
1363#ifndef Perl_isinf
1364# ifdef HAS_ISINF
1365# define Perl_isinf(x) isinf((NV)x)
a3540c92 1366# else
758a5d79
JH
1367# ifdef Perl_fp_class_inf
1368# define Perl_isinf(x) Perl_fp_class_inf(x)
1369# else
1370# define Perl_isinf(x) ((x)==NV_INF)
1371# endif
1372# endif
1373#endif
1374
1375#ifndef Perl_isfinite
1376# ifdef HAS_FINITE
1377# define Perl_isfinite(x) finite((NV)x)
1378# else
1379# ifdef HAS_ISFINITE
1380# define Perl_isfinite(x) isfinite(x)
1381# else
1382# ifdef Perl_fp_class_finite
1383# define Perl_isfinite(x) Perl_fp_class_finite(x)
1384# else
1385# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1386# endif
1387# endif
a3540c92 1388# endif
65202027
DS
1389#endif
1390
1f727ac0
HS
1391#define Perl_atof(s) Perl_my_atof(s)
1392#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1393
d460ef45 1394/* Previously these definitions used hardcoded figures.
760ac839
LW
1395 * It is hoped these formula are more portable, although
1396 * no data one way or another is presently known to me.
1397 * The "PERL_" names are used because these calculated constants
1398 * do not meet the ANSI requirements for LONG_MAX, etc., which
1399 * need to be constants acceptable to #if - kja
1400 * define PERL_LONG_MAX 2147483647L
1401 * define PERL_LONG_MIN (-LONG_MAX - 1)
1402 * define PERL ULONG_MAX 4294967295L
1403 */
1404
1405#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1406# include <limits.h>
1407#else
1408#ifdef I_VALUES
1409# include <values.h>
1410#endif
1411#endif
1412
99abf803
PP
1413/*
1414 * Try to figure out max and min values for the integral types. THE CORRECT
1415 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1416 * following hacks are used if neither limits.h or values.h provide them:
1417 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1418 * for types < int: (unsigned TYPE)~(unsigned)0
1419 * The argument to ~ must be unsigned so that later signed->unsigned
1420 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1421 * and it must not be smaller than int because ~ does integral promotion.
1422 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1423 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1424 * The latter is a hack which happens to work on some machines but
1425 * does *not* catch any random system, or things like integer types
1426 * with NaN if that is possible.
1427 *
1428 * All of the types are explicitly cast to prevent accidental loss of
1429 * numeric range, and in the hope that they will be less likely to confuse
1430 * over-eager optimizers.
1431 *
1432 */
27d4fb96 1433
99abf803
PP
1434#define PERL_UCHAR_MIN ((unsigned char)0)
1435
1436#ifdef UCHAR_MAX
1437# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1438#else
99abf803
PP
1439# ifdef MAXUCHAR
1440# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1441# else
99abf803 1442# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96
PP
1443# endif
1444#endif
d460ef45 1445
99abf803
PP
1446/*
1447 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1448 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1449 * depending on local options. Until Configure detects this (or at least
1450 * detects whether the "signed" keyword is available) the CHAR ranges
1451 * will not be included. UCHAR functions normally.
1452 * - kja
1453 */
27d4fb96 1454
99abf803
PP
1455#define PERL_USHORT_MIN ((unsigned short)0)
1456
1457#ifdef USHORT_MAX
1458# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1459#else
99abf803
PP
1460# ifdef MAXUSHORT
1461# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1462# else
ef2f54b0
CB
1463# ifdef USHRT_MAX
1464# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1465# else
1466# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1467# endif
27d4fb96
PP
1468# endif
1469#endif
1470
27d4fb96 1471#ifdef SHORT_MAX
99abf803 1472# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96
PP
1473#else
1474# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1475# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1476# else
ef2f54b0
CB
1477# ifdef SHRT_MAX
1478# define PERL_SHORT_MAX ((short)SHRT_MAX)
1479# else
1480# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1481# endif
27d4fb96
PP
1482# endif
1483#endif
1484
1485#ifdef SHORT_MIN
99abf803 1486# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96
PP
1487#else
1488# ifdef MINSHORT
99abf803 1489# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1490# else
ef2f54b0
CB
1491# ifdef SHRT_MIN
1492# define PERL_SHORT_MIN ((short)SHRT_MIN)
1493# else
1494# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1495# endif
27d4fb96
PP
1496# endif
1497#endif
1498
99abf803
PP
1499#ifdef UINT_MAX
1500# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1501#else
99abf803
PP
1502# ifdef MAXUINT
1503# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1504# else
99abf803 1505# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96
PP
1506# endif
1507#endif
1508
99abf803 1509#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96
PP
1510
1511#ifdef INT_MAX
99abf803 1512# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96
PP
1513#else
1514# ifdef MAXINT /* Often used in <values.h> */
99abf803 1515# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1516# else
99abf803 1517# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96
PP
1518# endif
1519#endif
1520
1521#ifdef INT_MIN
99abf803 1522# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96
PP
1523#else
1524# ifdef MININT
99abf803 1525# define PERL_INT_MIN ((int)MININT)
27d4fb96
PP
1526# else
1527# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1528# endif
1529#endif
1530
99abf803
PP
1531#ifdef ULONG_MAX
1532# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1533#else
99abf803
PP
1534# ifdef MAXULONG
1535# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1536# else
99abf803 1537# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96
PP
1538# endif
1539#endif
1540
99abf803 1541#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1542
760ac839 1543#ifdef LONG_MAX
99abf803 1544# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW
1545#else
1546# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1547# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1548# else
99abf803 1549# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW
1550# endif
1551#endif
1552
1553#ifdef LONG_MIN
99abf803 1554# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW
1555#else
1556# ifdef MINLONG
99abf803 1557# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1558# else
27d4fb96 1559# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW
1560# endif
1561#endif
1562
d7d93a81 1563#ifdef UV_IS_QUAD
99abf803 1564
99abf803 1565# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1566# define PERL_UQUAD_MIN ((UV)0)
99abf803 1567# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1568# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1569
79072805
LW
1570#endif
1571
880b20b6
IZ
1572struct perl_mstats {
1573 UV *nfree;
1574 UV *ntotal;
1575 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1576 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1577 IV minbucket;
1578 /* Level 1 info */
1579 UV *bucket_mem_size;
1580 UV *bucket_available_size;
1581 UV nbuckets;
1582};
830247a4 1583struct RExC_state_t;
880b20b6 1584
ee0007ab 1585typedef MEM_SIZE STRLEN;
450a55e4 1586
79072805
LW
1587typedef struct op OP;
1588typedef struct cop COP;
1589typedef struct unop UNOP;
1590typedef struct binop BINOP;
1591typedef struct listop LISTOP;
1592typedef struct logop LOGOP;
79072805
LW
1593typedef struct pmop PMOP;
1594typedef struct svop SVOP;
7934575e 1595typedef struct padop PADOP;
79072805 1596typedef struct pvop PVOP;
79072805
LW
1597typedef struct loop LOOP;
1598
93a17b20 1599typedef struct interpreter PerlInterpreter;
d2b3f365
SS
1600
1601/* Amdahl's <ksync.h> has struct sv */
1602/* SGI's <sys/sema.h> has struct sv */
1603#if defined(UTS) || defined(__sgi)
1604# define STRUCT_SV perl_sv
b8d3c5db
JH
1605#else
1606# define STRUCT_SV sv
1607#endif
1608typedef struct STRUCT_SV SV;
79072805
LW
1609typedef struct av AV;
1610typedef struct hv HV;
1611typedef struct cv CV;
378cc40b 1612typedef struct regexp REGEXP;
79072805 1613typedef struct gp GP;
0c30d9ec 1614typedef struct gv GV;
8990e307 1615typedef struct io IO;
c09156bb 1616typedef struct context PERL_CONTEXT;
79072805
LW
1617typedef struct block BLOCK;
1618
1619typedef struct magic MAGIC;
ed6116ce 1620typedef struct xrv XRV;
79072805
LW
1621typedef struct xpv XPV;
1622typedef struct xpviv XPVIV;
ff68c719 1623typedef struct xpvuv XPVUV;
79072805
LW
1624typedef struct xpvnv XPVNV;
1625typedef struct xpvmg XPVMG;
1626typedef struct xpvlv XPVLV;
1627typedef struct xpvav XPVAV;
1628typedef struct xpvhv XPVHV;
1629typedef struct xpvgv XPVGV;
1630typedef struct xpvcv XPVCV;
1631typedef struct xpvbm XPVBM;
1632typedef struct xpvfm XPVFM;
8990e307 1633typedef struct xpvio XPVIO;
79072805
LW
1634typedef struct mgvtbl MGVTBL;
1635typedef union any ANY;
5f7fde29
GS
1636typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1637typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS
1638typedef struct clone_params CLONE_PARAMS;
1639
8d063cd8 1640
378cc40b 1641#include "handy.h"
a0d0e21e 1642
6b8eaf93 1643#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH
1644# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1645# define USE_64_BIT_RAWIO /* implicit */
1646# endif
4564133c
JH
1647#endif
1648
6b8eaf93
JH
1649/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1650 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1651 * however, because operating systems like to do that themself. */
1652#ifndef FSEEKSIZE
1653# ifdef HAS_FSEEKO
1654# define FSEEKSIZE LSEEKSIZE
1655# else
1656# define FSEEKSIZE LONGSIZE
d460ef45 1657# endif
6b8eaf93
JH
1658#endif
1659
1660#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH
1661# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1662# define USE_64_BIT_STDIO /* implicit */
1663# endif
1664#endif
4564133c 1665
09458382 1666#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH
1667# ifdef HAS_OFF64_T
1668# undef Off_t
1669# define Off_t off64_t
1670# undef LSEEKSIZE
1671# define LSEEKSIZE 8
5ff3f7a4 1672# endif
d9b3e12d
JH
1673/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1674 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1675 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH
1676# if defined(USE_OPEN64)
1677# define open open64
5ff3f7a4 1678# endif
d9b3e12d
JH
1679# if defined(USE_LSEEK64)
1680# define lseek lseek64
6b8eaf93
JH
1681# else
1682# if defined(USE_LLSEEK)
1683# define lseek llseek
1684# endif
d9b3e12d
JH
1685# endif
1686# if defined(USE_STAT64)
1687# define stat stat64
1688# endif
1689# if defined(USE_FSTAT64)
1690# define fstat fstat64
1691# endif
1692# if defined(USE_LSTAT64)
1693# define lstat lstat64
1694# endif
1695# if defined(USE_FLOCK64)
1696# define flock flock64
1697# endif
1698# if defined(USE_LOCKF64)
1699# define lockf lockf64
1700# endif
1701# if defined(USE_FCNTL64)
1702# define fcntl fcntl64
1703# endif
1704# if defined(USE_TRUNCATE64)
1705# define truncate truncate64
1706# endif
1707# if defined(USE_FTRUNCATE64)
1708# define ftruncate ftruncate64
1709# endif
1710#endif
1711
1712#ifdef USE_64_BIT_STDIO
1713# ifdef HAS_FPOS64_T
1714# undef Fpos_t
1715# define Fpos_t fpos64_t
1716# endif
1717/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1718 * will trigger defines like the ones below. Some 64-bit environments,
1719 * however, do not. */
1720# if defined(USE_FOPEN64)
1721# define fopen fopen64
1722# endif
1723# if defined(USE_FSEEK64)
6b8eaf93 1724# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH
1725# endif
1726# if defined(USE_FTELL64)
6b8eaf93 1727# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH
1728# endif
1729# if defined(USE_FSETPOS64)
1730# define fsetpos fsetpos64
1731# endif
1732# if defined(USE_FGETPOS64)
1733# define fgetpos fgetpos64
1734# endif
1735# if defined(USE_TMPFILE64)
1736# define tmpfile tmpfile64
1737# endif
1738# if defined(USE_FREOPEN64)
1739# define freopen freopen64
5ff3f7a4
GS
1740# endif
1741#endif
1742
2c2d71f5
JH
1743#if defined(OS2)
1744# include "iperlsys.h"
1745#endif
1746
6f71a643
JH
1747#if defined(__OPEN_VM)
1748# include "vmesa/vmesaish.h"
1749#endif
1750
748a9306 1751#ifdef DOSISH
4633a7c4
LW
1752# if defined(OS2)
1753# include "os2ish.h"
1754# else
748a9306 1755# include "dosish.h"
4633a7c4 1756# endif
a0d0e21e 1757#else
748a9306
LW
1758# if defined(VMS)
1759# include "vmsish.h"
1760# else
0c30d9ec
PP
1761# if defined(PLAN9)
1762# include "./plan9/plan9ish.h"
1763# else
1d84e8df
JH
1764# if defined(MPE)
1765# include "mpeix/mpeixish.h"
1766# else
495c5fdc
GP
1767# if defined(__VOS__)
1768# include "vosish.h"
1769# else
4d2c4e07
OF
1770# if defined(EPOC)
1771# include "epocish.h"
1772# else
cd39f2b6
JH
1773# if defined(MACOS_TRADITIONAL)
1774# include "macos/macish.h"
2b3f4ecd
JH
1775# ifndef NO_ENVIRON_ARRAY
1776# define NO_ENVIRON_ARRAY
1777# endif
cd39f2b6
JH
1778# else
1779# include "unixish.h"
1780# endif
4d2c4e07 1781# endif
495c5fdc 1782# endif
1d84e8df 1783# endif
0c30d9ec 1784# endif
748a9306 1785# endif
13b6e58c
JH
1786#endif
1787
1788#ifndef NO_ENVIRON_ARRAY
1789# define USE_ENVIRON_ARRAY
1790#endif
32f822de 1791
103a7189
JH
1792#ifdef JPL
1793 /* E.g. JPL needs to operate on a copy of the real environment.
1794 * JDK 1.2 and 1.3 seem to get upset if the original environment
1795 * is diddled with. */
1796# define NEED_ENVIRON_DUP_FOR_MODIFY
1797#endif
1798
c77b533b
JH
1799/*
1800 * initialise to avoid floating-point exceptions from overflow, etc
1801 */
1802#ifndef PERL_FPU_INIT
1803# ifdef HAS_FPSETMASK
1804# if HAS_FLOATINGPOINT_H
1805# include <floatingpoint.h>
1806# endif
1807# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1808# else
7014c407
JH
1809# if defined(SIGFPE) && defined(SIG_IGN)
1810# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1811# else
1812# define PERL_FPU_INIT
1813# endif
c77b533b
JH
1814# endif
1815#endif
1816
ed344e4f
IZ
1817#ifndef PERL_SYS_INIT3
1818# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1819#endif
1820
be708cc0
JH
1821#ifndef PERL_WRITE_MSG_TO_CONSOLE
1822# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1823#endif
1824
0f31cffe
GS
1825#ifndef MAXPATHLEN
1826# ifdef PATH_MAX
b990c8b2
JH
1827# ifdef _POSIX_PATH_MAX
1828# if PATH_MAX > _POSIX_PATH_MAX
1829/* MAXPATHLEN is supposed to include the final null character,
1830 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1831# define MAXPATHLEN (PATH_MAX+1)
1832# else
1833# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1834# endif
1835# else
1836# define MAXPATHLEN (PATH_MAX+1)
1837# endif
0f31cffe 1838# else
b990c8b2
JH
1839# ifdef _POSIX_PATH_MAX
1840# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1841# else
1842# define MAXPATHLEN 1024 /* Err on the large side. */
1843# endif
0f31cffe
GS
1844# endif
1845#endif
1846
d460ef45 1847/*
4d1ff10f 1848 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1849 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS
1850 * this results in many functions being undeclared which bothers C++
1851 * May make sense to have threads after "*ish.h" anyway
1852 */
1853
4d1ff10f
AB
1854#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1855# if defined(USE_5005THREADS)
79d59c5f
GS
1856 /* pending resolution of licensing issues, we avoid the erstwhile
1857 * atomic.h everywhere */
1858# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1859# endif
2986a63f
JH
1860# ifdef NETWARE
1861# include <nw5thread.h>
1862# else
32f822de
GS
1863# ifdef FAKE_THREADS
1864# include "fakethr.h"
1865# else
1866# ifdef WIN32
1867# include <win32thread.h>
1868# else
dd96f567
IZ
1869# ifdef OS2
1870# include "os2thread.h"
1871# else
7f3d1cf1 1872# ifdef I_MACH_CTHREADS
bdd66968 1873# include <mach/cthreads.h>
8f1f23e8 1874# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM
1875# define MUTEX_INIT_CALLS_MALLOC
1876# endif
7f3d1cf1
BH
1877typedef cthread_t perl_os_thread;
1878typedef mutex_t perl_mutex;
1879typedef condition_t perl_cond;
1880typedef void * perl_key;
1881# else /* Posix threads */
1f5ae88c
JH
1882# ifdef I_PTHREAD
1883# include <pthread.h>
1884# endif
7f3d1cf1
BH
1885typedef pthread_t perl_os_thread;
1886typedef pthread_mutex_t perl_mutex;
1887typedef pthread_cond_t perl_cond;
1888typedef pthread_key_t perl_key;
1889# endif /* I_MACH_CTHREADS */
dd96f567 1890# endif /* OS2 */
32f822de
GS
1891# endif /* WIN32 */
1892# endif /* FAKE_THREADS */
2986a63f 1893#endif /* NETWARE */
4d1ff10f 1894#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1895
66a93824 1896#if defined(WIN32)
1feb2720 1897# include "win32.h"
c5be433b
GS
1898#endif
1899
2986a63f
JH
1900#ifdef NETWARE
1901# include "netware.h"
1902#endif
1903
68dc0745 1904#ifdef VMS
6b88bc9c 1905# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1906# define STATUS_NATIVE_EXPORT \
d98f61e7 1907 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745
PP
1908# define STATUS_NATIVE_SET(n) \
1909 STMT_START { \
6b88bc9c
GS
1910 PL_statusvalue_vms = (n); \
1911 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1912 PL_statusvalue = -1; \
6b88bc9c 1913 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1914 PL_statusvalue = 0; \
6b88bc9c
GS
1915 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1916 PL_statusvalue = 1 << 8; \
68dc0745 1917 else \
6b88bc9c 1918 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1919 } STMT_END
3280af22 1920# define STATUS_POSIX PL_statusvalue
68dc0745
PP
1921# ifdef VMSISH_STATUS
1922# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1923# else
1924# define STATUS_CURRENT STATUS_POSIX
1925# endif
1926# define STATUS_POSIX_SET(n) \
1927 STMT_START { \
3280af22
NIS
1928 PL_statusvalue = (n); \
1929 if (PL_statusvalue != -1) { \
1930 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1931 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1932 } \
6b88bc9c 1933 else PL_statusvalue_vms = -1; \
68dc0745 1934 } STMT_END
6b88bc9c
GS
1935# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1936# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745
PP
1937#else
1938# define STATUS_NATIVE STATUS_POSIX
1939# define STATUS_NATIVE_EXPORT STATUS_POSIX
1940# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1941# define STATUS_POSIX PL_statusvalue
68dc0745
PP
1942# define STATUS_POSIX_SET(n) \
1943 STMT_START { \
3280af22
NIS
1944 PL_statusvalue = (n); \
1945 if (PL_statusvalue != -1) \
1946 PL_statusvalue &= 0xFFFF; \
68dc0745
PP
1947 } STMT_END
1948# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS
1949# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1950# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745
PP
1951#endif
1952
cc3604b1
GS
1953/* flags in PL_exit_flags for nature of exit() */
1954#define PERL_EXIT_EXPECTED 0x01
31d77e54 1955#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1956
0b94c7bb 1957#ifndef MEMBER_TO_FPTR
a7cb1f99
GS
1958# define MEMBER_TO_FPTR(name) name
1959#endif
1960
1961/* format to use for version numbers in file/directory names */
273cf8d1 1962/* XXX move to Configure? */
a7cb1f99 1963#ifndef PERL_FS_VER_FMT
273cf8d1 1964# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS
1965#endif
1966
45bc9206 1967/* This defines a way to flush all output buffers. This may be a
76549fef
JH
1968 * performance issue, so we allow people to disable it. Also, if
1969 * we are using stdio, there are broken implementations of fflush(NULL)
1970 * out there, Solaris being the most prominent.
45bc9206
GS
1971 */
1972#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1973# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1974# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH
1975# else
1976# ifdef FFLUSH_ALL
1977# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1978# else
c5be433b 1979# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1980# endif
66fe083f 1981# endif
45bc9206
GS
1982#endif
1983
7766f137
GS
1984#ifndef PERL_WAIT_FOR_CHILDREN
1985# define PERL_WAIT_FOR_CHILDREN NOOP
1986#endif
1987
ba869deb 1988/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS
1989#ifndef PERL_SET_INTERP
1990# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
1991#endif
1992
1993#ifndef PERL_GET_INTERP
1994# define PERL_GET_INTERP (PL_curinterp)
1995#endif
1996
54aff467 1997#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 1998# ifdef USE_5005THREADS
ba869deb 1999# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS
2000# else
2001# ifdef MULTIPLICITY
ba869deb 2002# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS
2003# endif
2004# endif
ba869deb
GS
2005# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2006#endif
2007
894356b3
GS
2008#ifndef SVf
2009# ifdef CHECK_FORMAT
2010# define SVf "p"
2011# else
2012# define SVf "_"
d460ef45 2013# endif
894356b3
GS
2014#endif
2015
d2560b70
RB
2016#ifndef UVf
2017# ifdef CHECK_FORMAT
2018# define UVf UVuf
2019# else
2020# define UVf "Vu"
d460ef45 2021# endif
d2560b70
RB
2022#endif
2023
2024#ifndef VDf
2025# ifdef CHECK_FORMAT
2026# define VDf "p"
2027# else
2028# define VDf "vd"
d460ef45 2029# endif
d2560b70
RB
2030#endif
2031
b3fe4827
RB
2032#ifndef Nullformat
2033# ifdef CHECK_FORMAT
2034# define Nullformat "%s",""
2035# else
2036# define Nullformat Nullch
2037# endif
2038#endif
2039
3fc1aec6
PP
2040/* Some unistd.h's give a prototype for pause() even though
2041 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2042 below to be rejected by the compiler. Sigh.
3fc1aec6
PP
2043*/
2044#ifdef HAS_PAUSE
2045#define Pause pause
2046#else
2047#define Pause() sleep((32767<<16)+32767)
748a9306
LW
2048#endif
2049
2050#ifndef IOCPARM_LEN
2051# ifdef IOCPARM_MASK
2052 /* on BSDish systes we're safe */
2053# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2054# else
2055 /* otherwise guess at what's safe */
2056# define IOCPARM_LEN(x) 256
2057# endif
a0d0e21e
LW
2058#endif
2059
1761cee5 2060#if defined(__CYGWIN__)
521e0776
GS
2061/* USEMYBINMODE
2062 * This symbol, if defined, indicates that the program should
16fe6d59 2063 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS
2064 * that a file is in "binary" mode -- that is, that no translation
2065 * of bytes occurs on read or write operations.
2066 */
2067# define USEMYBINMODE / **/
16fe6d59
GS
2068# define my_binmode(fp, iotype, mode) \
2069 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6
PP
2070#endif
2071
cea2e8a9
GS
2072#ifdef UNION_ANY_DEFINITION
2073UNION_ANY_DEFINITION;
2074#else
2075union any {
2076 void* any_ptr;
2077 I32 any_i32;
2078 IV any_iv;
2079 long any_long;
c76ac1ee 2080 void (*any_dptr) (void*);
acfe0abc 2081 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS
2082};
2083#endif
2084
4d1ff10f 2085#ifdef USE_5005THREADS
cea2e8a9
GS
2086#define ARGSproto struct perl_thread *thr
2087#else
2088#define ARGSproto
4d1ff10f 2089#endif /* USE_5005THREADS */
cea2e8a9 2090
acfe0abc 2091typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS
2092
2093#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2094#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2095#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2096
2c2d71f5
JH
2097#if !defined(OS2)
2098# include "iperlsys.h"
2099#endif
378cc40b 2100#include "regexp.h"
79072805 2101#include "sv.h"
378cc40b 2102#include "util.h"
8d063cd8 2103#include "form.h"
79072805
LW
2104#include "gv.h"
2105#include "cv.h"
abdd5c84 2106#include "opnames.h"
79072805
LW
2107#include "op.h"
2108#include "cop.h"
2109#include "av.h"
2110#include "hv.h"
2111#include "mg.h"
2112#include "scope.h"
4438c4b7 2113#include "warnings.h"
a0ed51b3 2114#include "utf8.h"
cd1ee231 2115#include "sharedsv.h"
8d063cd8 2116
7fae4e64
GS
2117/* Current curly descriptor */
2118typedef struct curcur CURCUR;
2119struct curcur {
2120 int parenfloor; /* how far back to strip paren data */
2121 int cur; /* how many instances of scan we've matched */
2122 int min; /* the minimal number of scans to match */
2123 int max; /* the maximal number of scans to match */
2124 int minmod; /* whether to work our way up or down */
2125 regnode * scan; /* the thing to match */
2126 regnode * next; /* what has to match after it */
2127 char * lastloc; /* where we started matching this scan */
2128 CURCUR * oldcc; /* current curly before we started this one */
2129};
2130
2131typedef struct _sublex_info SUBLEXINFO;
2132struct _sublex_info {
2133 I32 super_state; /* lexer state to save */
2134 I32 sub_inwhat; /* "lex_inwhat" to use */
2135 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS
2136 char *super_bufptr; /* PL_bufptr that was */
2137 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS
2138};
2139
455ece5e 2140typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2141
2c2d71f5 2142struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2143struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS
2144
2145typedef I32 CHECKPOINT;
76e3520e 2146
5f7fde29
GS
2147struct ptr_tbl_ent {
2148 struct ptr_tbl_ent* next;
2149 void* oldval;
2150 void* newval;
d18c6117
GS
2151};
2152
5f7fde29
GS
2153struct ptr_tbl {
2154 struct ptr_tbl_ent** tbl_ary;
2155 UV tbl_max;
2156 UV tbl_items;
d18c6117
GS
2157};
2158
450a55e4 2159#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW
2160# define I286
2161#endif
2162
fe14fcc3
LW
2163#if defined(htonl) && !defined(HAS_HTONL)
2164#define HAS_HTONL
ae986130 2165#endif
fe14fcc3
LW
2166#if defined(htons) && !defined(HAS_HTONS)
2167#define HAS_HTONS
ae986130 2168#endif
fe14fcc3
LW
2169#if defined(ntohl) && !defined(HAS_NTOHL)
2170#define HAS_NTOHL
ae986130 2171#endif
fe14fcc3
LW
2172#if defined(ntohs) && !defined(HAS_NTOHS)
2173#define HAS_NTOHS
ae986130 2174#endif
fe14fcc3 2175#ifndef HAS_HTONL
d9d8d8de 2176#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW
2177#define HAS_HTONS
2178#define HAS_HTONL
2179#define HAS_NTOHS
2180#define HAS_NTOHL
a687059c
LW
2181#define MYSWAP
2182#define htons my_swap
2183#define htonl my_htonl
2184#define ntohs my_swap
2185#define ntohl my_ntohl
2186#endif
2187#else
d9d8d8de 2188#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW
2189#undef HAS_HTONS
2190#undef HAS_HTONL
2191#undef HAS_NTOHS
2192#undef HAS_NTOHL
a687059c
LW
2193#endif
2194#endif
2195
988174c1
LW
2196/*
2197 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2198 * -DWS
2199 */
2200#if BYTEORDER != 0x1234
2201# define HAS_VTOHL
2202# define HAS_VTOHS
2203# define HAS_HTOVL
2204# define HAS_HTOVS
c67712b2 2205# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW
2206# define vtohl(x) ((((x)&0xFF)<<24) \
2207 +(((x)>>24)&0xFF) \
2208 +(((x)&0x0000FF00)<<8) \
2209 +(((x)&0x00FF0000)>>8) )
2210# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2211# define htovl(x) vtohl(x)
2212# define htovs(x) vtohs(x)
2213# endif
2214 /* otherwise default to functions in util.c */
2215#endif
2216
3bb7c1b4
JH
2217/* *MAX Plus 1. A floating point value.
2218 Hopefully expressed in a way that dodgy floating point can't mess up.
2219 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2220 is added to it
2221 May find that some broken compiler will want the value cast to I32.
2222 [after the shift, as signed >> may not be as secure as unsigned >>]
2223*/
2224#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2225#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2226/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2227 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2228 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2229*/
2230#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2231
3bb7c1b4
JH
2232#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2233#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2234#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2235
2236/* This may look like unnecessary jumping through hoops, but converting
2237 out of range floating point values to integers *is* undefined behaviour,
2238 and it is starting to bite.
2239*/
2240#ifndef CAST_INLINE
65202027 2241#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2242#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS
2243#define I_V(what) (cast_iv((NV)(what)))
2244#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH
2245#else
2246#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2247 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2248 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2249#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2250 : ((n) < U32_MAX_P1 ? (U32) (n) \
2251 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2252#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2253 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2254 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2255#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2256 : ((n) < UV_MAX_P1 ? (UV) (n) \
2257 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2258#endif
2259
2260#define U_S(what) ((U16)U_32(what))
2261#define U_I(what) ((unsigned int)U_32(what))
2262#define U_L(what) U_32(what)
ed6116ce 2263
2d4389e4
JH
2264/* These do not care about the fractional part, only about the range. */
2265#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2266#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2267
25da4f38
IZ
2268/* Used with UV/IV arguments: */
2269 /* XXXX: need to speed it up */
2270#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2271#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2272
352d5a3a
LW
2273#ifndef MAXSYSFD
2274# define MAXSYSFD 2
2275#endif
ee0007ab 2276
79072805 2277#ifndef __cplusplus
e1caacb4 2278#ifndef UNDER_CE
20ce7b12
GS
2279Uid_t getuid (void);
2280Uid_t geteuid (void);
2281Gid_t getgid (void);
2282Gid_t getegid (void);
79072805 2283#endif
e1caacb4 2284#endif
8d063cd8 2285
0c30d9ec 2286#ifndef Perl_debug_log
bf49b057
GS
2287# define Perl_debug_log PerlIO_stderr()
2288#endif
2289
2290#ifndef Perl_error_log
2291# define Perl_error_log (PL_stderrgv \
01bb7c6d 2292 && GvIOp(PL_stderrgv) \
42de951c 2293 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS
2294 ? IoOFP(GvIOp(PL_stderrgv)) \
2295 : PerlIO_stderr())
0c30d9ec 2296#endif
3967c732 2297
aea4f609
DM
2298
2299#define DEBUG_p_FLAG 0x00000001 /* 1 */
2300#define DEBUG_s_FLAG 0x00000002 /* 2 */
2301#define DEBUG_l_FLAG 0x00000004 /* 4 */
2302#define DEBUG_t_FLAG 0x00000008 /* 8 */
2303#define DEBUG_o_FLAG 0x00000010 /* 16 */
2304#define DEBUG_c_FLAG 0x00000020 /* 32 */
2305#define DEBUG_P_FLAG 0x00000040 /* 64 */
2306#define DEBUG_m_FLAG 0x00000080 /* 128 */
2307#define DEBUG_f_FLAG 0x00000100 /* 256 */
2308#define DEBUG_r_FLAG 0x00000200 /* 512 */
2309#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2310#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2311#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2312#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2313#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2314#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2315#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2316#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM
2317#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2318#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM
2319
2320#define DEBUG_DB_RECURSE_FLAG 0x40000000
2321#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2322
2323
3967c732 2324#ifdef DEBUGGING
aea4f609
DM
2325
2326# undef YYDEBUG
2327# define YYDEBUG 1
2328
2329# define DEBUG_p_TEST (PL_debug & DEBUG_p_FLAG)
2330# define DEBUG_s_TEST (PL_debug & DEBUG_s_FLAG)
2331# define DEBUG_l_TEST (PL_debug & DEBUG_l_FLAG)
2332# define DEBUG_t_TEST (PL_debug & DEBUG_t_FLAG)
2333# define DEBUG_o_TEST (PL_debug & DEBUG_o_FLAG)
2334# define DEBUG_c_TEST (PL_debug & DEBUG_c_FLAG)
2335# define DEBUG_P_TEST (PL_debug & DEBUG_P_FLAG)
2336# define DEBUG_m_TEST (PL_debug & DEBUG_m_FLAG)
2337# define DEBUG_f_TEST (PL_debug & DEBUG_f_FLAG)
2338# define DEBUG_r_TEST (PL_debug & DEBUG_r_FLAG)
2339# define DEBUG_x_TEST (PL_debug & DEBUG_x_FLAG)
2340# define DEBUG_u_TEST (PL_debug & DEBUG_u_FLAG)
2341# define DEBUG_L_TEST (PL_debug & DEBUG_L_FLAG)
2342# define DEBUG_H_TEST (PL_debug & DEBUG_H_FLAG)
2343# define DEBUG_X_TEST (PL_debug & DEBUG_X_FLAG)
2344# define DEBUG_D_TEST (PL_debug & DEBUG_D_FLAG)
2345# define DEBUG_S_TEST (PL_debug & DEBUG_S_FLAG)
2346# define DEBUG_T_TEST (PL_debug & DEBUG_T_FLAG)
04932ac8 2347# define DEBUG_R_TEST (PL_debug & DEBUG_R_FLAG)
aea4f609
DM
2348
2349# define DEB(a) a
2350# define DEBUG(a) if (PL_debug) a
2351# define DEBUG_p(a) if (DEBUG_p_TEST) a
2352# define DEBUG_s(a) if (DEBUG_s_TEST) a
2353# define DEBUG_l(a) if (DEBUG_l_TEST) a
2354# define DEBUG_t(a) if (DEBUG_t_TEST) a
2355# define DEBUG_o(a) if (DEBUG_o_TEST) a
2356# define DEBUG_c(a) if (DEBUG_c_TEST) a
2357# define DEBUG_P(a) if (DEBUG_P_TEST) a
2358
969058bb
VK
2359 /* Temporarily turn off memory debugging in case the a
2360 * does memory allocation, either directly or indirectly. */
acfe0abc 2361# define DEBUG_m(a) \
0b250b9e 2362 STMT_START { \
aea4f609 2363 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2364 } STMT_END
aea4f609 2365
5f80b19c
AMS
2366# define DEBUG__(t, a) \
2367 STMT_START { \
2368 if (t) STMT_START {a;} STMT_END; \
2369 } STMT_END
2370
2371# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2372# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2373# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2374# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2375# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2376# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2377# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2378# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2379
4d1ff10f 2380# ifdef USE_5005THREADS
5f80b19c 2381# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ
2382# else
2383# define DEBUG_S(a)
2384# endif
aea4f609 2385
5f80b19c
AMS
2386# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2387# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM
2388
2389#else /* DEBUGGING */
2390
2391# define DEBUG_p_TEST (0)
2392# define DEBUG_s_TEST (0)
2393# define DEBUG_l_TEST (0)
2394# define DEBUG_t_TEST (0)
2395# define DEBUG_o_TEST (0)
2396# define DEBUG_c_TEST (0)
2397# define DEBUG_P_TEST (0)
2398# define DEBUG_m_TEST (0)
2399# define DEBUG_f_TEST (0)
2400# define DEBUG_r_TEST (0)
2401# define DEBUG_x_TEST (0)
2402# define DEBUG_u_TEST (0)
2403# define DEBUG_L_TEST (0)
2404# define DEBUG_H_TEST (0)
2405# define DEBUG_X_TEST (0)
2406# define DEBUG_D_TEST (0)
2407# define DEBUG_S_TEST (0)
2408# define DEBUG_T_TEST (0)
04932ac8 2409# define DEBUG_R_TEST (0)
aea4f609
DM
2410
2411# define DEB(a)
2412# define DEBUG(a)
2413# define DEBUG_p(a)
2414# define DEBUG_s(a)
2415# define DEBUG_l(a)
2416# define DEBUG_t(a)
2417# define DEBUG_o(a)
2418# define DEBUG_c(a)
2419# define DEBUG_P(a)
2420# define DEBUG_m(a)
2421# define DEBUG_f(a)
2422# define DEBUG_r(a)
2423# define DEBUG_x(a)
2424# define DEBUG_u(a)
2425# define DEBUG_L(a)
2426# define DEBUG_H(a)
2427# define DEBUG_X(a)
2428# define DEBUG_D(a)
2429# define DEBUG_S(a)
2430# define DEBUG_T(a)
04932ac8 2431# define DEBUG_R(a)
aea4f609
DM
2432#endif /* DEBUGGING */
2433
2434
14befaf4
DM
2435/* These constants should be used in preference to to raw characters
2436 * when using magic. Note that some perl guts still assume
2437 * certain character properties of these constants, namely that
2438 * isUPPER() and toLOWER() may do useful mappings.
2439 *
2440 * Update the magic_names table in dump.c when adding/amending these
2441 */
2442
2443#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2444#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2445#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2446#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2447#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2448#define PERL_MAGIC_regdata 'D' /* Regex match position data
2449 (@+ and @- vars) */
2450#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2451#define PERL_MAGIC_env 'E' /* %ENV hash */
2452#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2453#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2454#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2455#define PERL_MAGIC_isa 'I' /* @ISA array */
2456#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2457#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2458#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2459#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2460#define PERL_MAGIC_mutex 'm' /* ??? */
2461#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2462#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2463#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2464#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2465#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2466#define PERL_MAGIC_sig 'S' /* %SIG hash */
2467#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2468#define PERL_MAGIC_taint 't' /* Taintedness */
2469#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2470#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2471#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2472#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2473 smart parameter vivification */
2474#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2475#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2476#define PERL_MAGIC_pos '.' /* pos() lvalue */
2477#define PERL_MAGIC_backref '<' /* ??? */
2478#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2479
2480
fe14fcc3 2481#define YYMAXDEPTH 300
8d063cd8 2482
a6e633de 2483#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW
2484#define assert(what) DEB( { \
2485 if (!(what)) { \
cea2e8a9 2486 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2487 __FILE__, __LINE__); \
cea2e8a9 2488 PerlProc_exit(1); \
79072805 2489 }})
a6e633de 2490#endif
8d063cd8 2491
450a55e4 2492struct ufuncs {
24f81a43
DM
2493 I32 (*uf_val)(pTHX_ IV, SV*);
2494 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2495 IV uf_index;
450a55e4
LW
2496};
2497
14befaf4 2498/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM
2499 * XS code wanting to be backward compatible can do something
2500 * like the following:
c745e42c 2501
24f81a43 2502#ifndef PERL_MG_UFUNC
24f81a43
DM
2503#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2504#endif
2505
2506static PERL_MG_UFUNC(foo_get, index, val)
2507{
2508 sv_setsv(val, ...);
2509 return TRUE;
2510}
2511
2512-- Doug MacEachern
2513
2514*/
2515
fc9c74e6 2516#ifndef PERL_MG_UFUNC
24f81a43 2517#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2518#endif
24f81a43 2519
fe14fcc3 2520/* Fix these up for __STDC__ */
68dc0745 2521#ifndef DONT_DECLARE_STD
20ce7b12 2522char *mktemp (char*);
37bd1396 2523#ifndef atof
20ce7b12 2524double atof (const char*);
a0d0e21e 2525#endif
37bd1396 2526#endif
79072805 2527
352d5a3a 2528#ifndef STANDARD_C
fe14fcc3 2529/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2530Time_t time();
8d063cd8 2531struct tm *gmtime(), *localtime();
092bebab 2532#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH
2533char *(strchr)(), *(strrchr)();
2534char *(strcpy)(), *(strcat)();
2535#else
93a17b20 2536char *strchr(), *strrchr();
378cc40b 2537char *strcpy(), *strcat();
9d116dd7 2538#endif
352d5a3a 2539#endif /* ! STANDARD_C */
8d063cd8 2540
79072805
LW
2541
2542#ifdef I_MATH
2543# include <math.h>
2544#else
32f822de 2545START_EXTERN_C
20ce7b12
GS
2546 double exp (double);
2547 double log (double);
2548 double log10 (double);
2549 double sqrt (double);
2550 double frexp (double,int*);
2551 double ldexp (double,int);
2552 double modf (double,double*);
2553 double sin (double);
2554 double cos (double);
2555 double atan2 (double,double);
2556 double pow (double,double);
32f822de 2557END_EXTERN_C
79072805
LW
2558#endif
2559
aa8b85de
JH
2560#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2561# define NV_INF LDBL_INFINITY
2562#endif
2563#if !defined(NV_INF) && defined(DBL_INFINITY)
2564# define NV_INF (NV)DBL_INFINITY
2565#endif
2566#if !defined(NV_INF) && defined(INFINITY)
2567# define NV_INF (NV)INFINITY
2568#endif
2569#if !defined(NV_INF) && defined(INF)
2570# define NV_INF (NV)INF
2571#endif
2572#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2573# define NV_INF (NV)HUGE_VALL
2574#endif
2575#if !defined(NV_INF) && defined(HUGE_VAL)
2576# define NV_INF (NV)HUGE_VAL
2577#endif
2578
2579#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2580# if !defined(NV_NAN) && defined(LDBL_NAN)
2581# define NV_NAN LDBL_NAN
2582# endif
2583# if !defined(NV_NAN) && defined(LDBL_QNAN)
2584# define NV_NAN LDBL_QNAN
2585# endif
2586# if !defined(NV_NAN) && defined(LDBL_SNAN)
2587# define NV_NAN LDBL_SNAN
2588# endif
2589#endif
2590#if !defined(NV_NAN) && defined(DBL_NAN)
2591# define NV_NAN (NV)DBL_NAN
2592#endif
2593#if !defined(NV_NAN) && defined(DBL_QNAN)
2594# define NV_NAN (NV)DBL_QNAN
2595#endif
2596#if !defined(NV_NAN) && defined(DBL_SNAN)
2597# define NV_NAN (NV)DBL_SNAN
2598#endif
2599#if !defined(NV_NAN) && defined(QNAN)
2600# define NV_NAN (NV)QNAN
2601#endif
2602#if !defined(NV_NAN) && defined(SNAN)
2603# define NV_NAN (NV)SNAN
2604#endif
2605#if !defined(NV_NAN) && defined(NAN)
2606# define NV_NAN (NV)NAN
2607#endif
2608
a0d0e21e 2609#ifndef __cplusplus
8f1f23e8 2610# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2611char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2612# else
fd8cd3a3 2613# if !defined(WIN32) && !defined(VMS)
20ce7b12 2614char *crypt (const char*, const char*);
5014db98 2615# endif /* !WIN32 */
8f1f23e8 2616# endif /* !NeXT && !__NeXT__ */
26618a56
GS
2617# ifndef DONT_DECLARE_STD
2618# ifndef getenv
20ce7b12 2619char *getenv (const char*);
26618a56 2620# endif /* !getenv */
28ca6303 2621# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2622# ifdef _FILE_OFFSET_BITS
28ca6303 2623# if _FILE_OFFSET_BITS == 64
20ce7b12 2624Off_t lseek (int,Off_t,int);
0fc67700
JH
2625# endif
2626# endif
bf0c440f 2627# endif
26618a56 2628# endif /* !DONT_DECLARE_STD */
20ce7b12 2629char *getlogin (void);
26618a56 2630#endif /* !__cplusplus */
79072805 2631
16d20bd9 2632#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2633#define UNLINK unlnk
20ce7b12 2634I32 unlnk (char*);
8d063cd8 2635#else
80252599 2636#define UNLINK PerlLIO_unlink
8d063cd8 2637#endif
a687059c 2638
fa0a29af
JH
2639/* some versions of glibc are missing the setresuid() proto */
2640#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH
2641int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2642#endif
fa0a29af
JH
2643/* some versions of glibc are missing the setresgid() proto */
2644#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH
2645int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2646#endif
2647
fe14fcc3 2648#ifndef HAS_SETREUID
85e6fe83
LW
2649# ifdef HAS_SETRESUID
2650# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2651# define HAS_SETREUID
2652# endif
a687059c 2653#endif
fe14fcc3 2654#ifndef HAS_SETREGID
85e6fe83
LW
2655# ifdef HAS_SETRESGID
2656# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2657# define HAS_SETREGID
2658# endif
a687059c 2659#endif
ee0007ab 2660
d543acb6 2661/* Sighandler_t defined in iperlsys.h */
ff68c719
PP
2662
2663#ifdef HAS_SIGACTION
2664typedef struct sigaction Sigsave_t;
2665#else
2666typedef Sighandler_t Sigsave_t;
2667#endif
2668
ee0007ab
LW
2669#define SCAN_DEF 0
2670#define SCAN_TR 1
2671#define SCAN_REPL 2
79072805
LW
2672
2673#ifdef DEBUGGING
4633a7c4 2674# ifndef register
a0d0e21e
LW
2675# define register
2676# endif
2677# define PAD_SV(po) pad_sv(po)
cea2e8a9 2678# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2679#else
6b88bc9c 2680# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2681# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW
2682#endif
2683
18f739ee 2684#ifdef MYMALLOC
772fe5b3 2685# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM
2686# define MALLOC_INIT \
2687 STMT_START { \
2688 PL_malloc_mutex = NULL; \
2689 MUTEX_INIT(&PL_malloc_mutex); \
2690 } STMT_END
2691# define MALLOC_TERM \
2692 STMT_START { \
2693 perl_mutex tmp = PL_malloc_mutex; \
2694 PL_malloc_mutex = NULL; \
2695 MUTEX_DESTROY(&tmp); \
2696 } STMT_END
2697# else
2698# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2699# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2700# endif
18f739ee
IZ
2701#else
2702# define MALLOC_INIT
2703# define MALLOC_TERM
2704#endif
2705
b6d9d515 2706
0cb96387
GS
2707typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2708typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2709
940cb80d 2710/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2711#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2712
8f1f23e8
W
2713/* NeXT has problems with crt0.o globals */
2714#if defined(__DYNAMIC__) && \
2715 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2716# if defined(NeXT) || defined(__NeXT)
2717# include <mach-o/dyld.h>
2718# define environ (*environ_pointer)
0c30d9ec 2719EXT char *** environ_pointer;
8f1f23e8 2720# else
82cabb9e 2721# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W
2722# include <crt_externs.h> /* for the env array */
2723# define environ (*_NSGetEnviron())
2724# endif
0c30d9ec 2725# endif
8f1f23e8
W
2726#else
2727 /* VMS and some other platforms don't use the environ array */
13b6e58c 2728# ifdef USE_ENVIRON_ARRAY
a6c40364
GS
2729# if !defined(DONT_DECLARE_STD) || \
2730 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2731 defined(__sgi) || \
d460ef45 2732 defined(__DGUX)
8f1f23e8 2733extern char ** environ; /* environment variables supplied via exec */
a6c40364 2734# endif
8f1f23e8
W
2735# endif
2736#endif
79072805 2737
73c4f7a1
GS
2738START_EXTERN_C
2739
79072805 2740/* handy constants */
22c35a8c 2741EXTCONST char PL_warn_uninit[]
b89fed5f 2742 INIT("Use of uninitialized value%s%s");
22c35a8c 2743EXTCONST char PL_warn_nosemi[]
463ee0b2 2744 INIT("Semicolon seems to be missing");
22c35a8c 2745EXTCONST char PL_warn_reserved[]
463ee0b2 2746 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2747EXTCONST char PL_warn_nl[]
93a17b20 2748 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2749EXTCONST char PL_no_wrongref[]
a0d0e21e 2750 INIT("Can't use %s ref as %s ref");
22c35a8c 2751EXTCONST char PL_no_symref[]
748a9306 2752 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2753EXTCONST char PL_no_usym[]
8990e307 2754 INIT("Can't use an undefined value as %s reference");
22c35a8c 2755EXTCONST char PL_no_aelem[]
93a17b20 2756 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2757EXTCONST char PL_no_helem[]
93a17b20 2758 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2759EXTCONST char PL_no_modify[]
93a17b20 2760 INIT("Modification of a read-only value attempted");
22c35a8c 2761EXTCONST char PL_no_mem[]
93a17b20 2762 INIT("Out of memory!\n");
22c35a8c 2763EXTCONST char PL_no_security[]
463ee0b2 2764 INIT("Insecure dependency in %s%s");
22c35a8c 2765EXTCONST char PL_no_sock_func[]
93a17b20 2766 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2767EXTCONST char PL_no_dir_func[]
93a17b20 2768 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2769EXTCONST char PL_no_func[]
93a17b20 2770 INIT("The %s function is unimplemented");
22c35a8c 2771EXTCONST char PL_no_myglob[]
748a9306 2772 INIT("\"my\" variable %s can't be in a package");
93a17b20 2773
7575fa06 2774EXTCONST char PL_uuemap[65]
80252599
GS
2775 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2776
2777
79072805 2778#ifdef DOINIT
22c35a8c
GS
2779EXT char *PL_sig_name[] = { SIG_NAME };
2780EXT int PL_sig_num[] = { SIG_NUM };
79072805 2781#else
22c35a8c
GS
2782EXT char *PL_sig_name[];
2783EXT int PL_sig_num[];
79072805
LW
2784#endif
2785
3bd709b1 2786/* fast conversion and case folding tables */
bbce6d69 2787
79072805 2788#ifdef DOINIT
9d116dd7 2789#ifdef EBCDIC
22c35a8c 2790EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH
2791 0, 1, 2, 3, 4, 5, 6, 7,
2792 8, 9, 10, 11, 12, 13, 14, 15,
2793 16, 17, 18, 19, 20, 21, 22, 23,
2794 24, 25, 26, 27, 28, 29, 30, 31,
2795 32, 33, 34, 35, 36, 37, 38, 39,
2796 40, 41, 42, 43, 44, 45, 46, 47,
2797 48, 49, 50, 51, 52, 53, 54, 55,
2798 56, 57, 58, 59, 60, 61, 62, 63,
2799 64, 65, 66, 67, 68, 69, 70, 71,
2800 72, 73, 74, 75, 76, 77, 78, 79,
2801 80, 81, 82, 83, 84, 85, 86, 87,
2802 88, 89, 90, 91, 92, 93, 94, 95,
2803 96, 97, 98, 99, 100, 101, 102, 103,
2804 104, 105, 106, 107, 108, 109, 110, 111,
2805 112, 113, 114, 115, 116, 117, 118, 119,
2806 120, 121, 122, 123, 124, 125, 126, 127,
2807 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2808 'H', 'I', 138, 139, 140, 141, 142, 143,
2809 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2810 'Q', 'R', 154, 155, 156, 157, 158, 159,
2811 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2812 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2813 176, 177, 178, 179, 180, 181, 182, 183,
2814 184, 185, 186, 187, 188, 189, 190, 191,
2815 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2816 'h', 'i', 202, 203, 204, 205, 206, 207,
2817 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2818 'q', 'r', 218, 219, 220, 221, 222, 223,
2819 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2820 'y', 'z', 234, 235, 236, 237, 238, 239,
2821 240, 241, 242, 243, 244, 245, 246, 247,
2822 248, 249, 250, 251, 252, 253, 254, 255
2823};
2824#else /* ascii rather than ebcdic */
22c35a8c 2825EXTCONST unsigned char PL_fold[] = {
79072805
LW
2826 0, 1, 2, 3, 4, 5, 6, 7,
2827 8, 9, 10, 11, 12, 13, 14, 15,
2828 16, 17, 18, 19, 20, 21, 22, 23,
2829 24, 25, 26, 27, 28, 29, 30, 31,
2830 32, 33, 34, 35, 36, 37, 38, 39,
2831 40, 41, 42, 43, 44, 45, 46, 47,
2832 48, 49, 50, 51, 52, 53, 54, 55,
2833 56, 57, 58, 59, 60, 61, 62, 63,
2834 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2835 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2836 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2837 'x', 'y', 'z', 91, 92, 93, 94, 95,
2838 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2839 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2840 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2841 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2842 128, 129, 130, 131, 132, 133, 134, 135,
2843 136, 137, 138, 139, 140, 141, 142, 143,
2844 144, 145, 146, 147, 148, 149, 150, 151,
2845 152, 153, 154, 155, 156, 157, 158, 159,
2846 160, 161, 162, 163, 164, 165, 166, 167,
2847 168, 169, 170, 171, 172, 173, 174, 175,
2848 176, 177, 178, 179, 180, 181, 182, 183,
2849 184, 185, 186, 187, 188, 189, 190, 191,
2850 192, 193, 194, 195, 196, 197, 198, 199,
2851 200, 201, 202, 203, 204, 205, 206, 207,
2852 208, 209, 210, 211, 212, 213, 214, 215,
2853 216, 217, 218, 219, 220, 221, 222, 223,
2854 224, 225, 226, 227, 228, 229, 230, 231,
2855 232, 233, 234, 235, 236, 237, 238, 239,
2856 240, 241, 242, 243, 244, 245, 246, 247,
2857 248, 249, 250, 251, 252, 253, 254, 255
2858};
9d116dd7 2859#endif /* !EBCDIC */
79072805 2860#else
22c35a8c 2861EXTCONST unsigned char PL_fold[];
79072805
LW
2862#endif
2863
2864#ifdef DOINIT
22c35a8c 2865EXT unsigned char PL_fold_locale[] = {
79072805
LW
2866 0, 1, 2, 3, 4, 5, 6, 7,
2867 8, 9, 10, 11, 12, 13, 14, 15,
2868 16, 17, 18, 19, 20, 21, 22, 23,
2869 24, 25, 26, 27, 28, 29, 30, 31,
2870 32, 33, 34, 35, 36, 37, 38, 39,
2871 40, 41, 42, 43, 44, 45, 46, 47,
2872 48, 49, 50, 51, 52, 53, 54, 55,
2873 56, 57, 58, 59, 60, 61, 62, 63,
2874 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2875 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2876 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2877 'x', 'y', 'z', 91, 92, 93, 94, 95,
2878 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2879 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2880 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2881 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2882 128, 129, 130, 131, 132, 133, 134, 135,
2883 136, 137, 138, 139, 140, 141, 142, 143,
2884 144, 145, 146, 147, 148, 149, 150, 151,
2885 152, 153, 154, 155, 156, 157, 158, 159,
2886 160, 161, 162, 163, 164, 165, 166, 167,
2887 168, 169, 170, 171, 172, 173, 174, 175,
2888 176, 177, 178, 179, 180, 181, 182, 183,
2889 184, 185, 186, 187, 188, 189, 190, 191,
2890 192, 193, 194, 195, 196, 197, 198, 199,
2891 200, 201, 202, 203, 204, 205, 206, 207,
2892 208, 209, 210, 211, 212, 213, 214, 215,
2893 216, 217, 218, 219, 220, 221, 222, 223,
2894 224, 225, 226, 227, 228, 229, 230, 231,
2895 232, 233, 234, 235, 236, 237, 238, 239,
2896 240, 241, 242, 243, 244, 245, 246, 247,
2897 248, 249, 250, 251, 252, 253, 254, 255
2898};
2899#else
22c35a8c 2900EXT unsigned char PL_fold_locale[];
79072805
LW
2901#endif
2902
2903#ifdef DOINIT
9d116dd7 2904#ifdef EBCDIC
22c35a8c 2905EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH
2906 1, 2, 84, 151, 154, 155, 156, 157,
2907 165, 246, 250, 3, 158, 7, 18, 29,
2908 40, 51, 62, 73, 85, 96, 107, 118,
2909 129, 140, 147, 148, 149, 150, 152, 153,
2910 255, 6, 8, 9, 10, 11, 12, 13,
2911 14, 15, 24, 25, 26, 27, 28, 226,
2912 29, 30, 31, 32, 33, 43, 44, 45,
2913 46, 47, 48, 49, 50, 76, 77, 78,
2914 79, 80, 81, 82, 83, 84, 85, 86,
2915 87, 94, 95, 234, 181, 233, 187, 190,
2916 180, 96, 97, 98, 99, 100, 101, 102,
2917 104, 112, 182, 174, 236, 232, 229, 103,
2918 228, 226, 114, 115, 116, 117, 118, 119,
2919 120, 121, 122, 235, 176, 230, 194, 162,
2920 130, 131, 132, 133, 134, 135, 136, 137,
2921 138, 139, 201, 205, 163, 217, 220, 224,
2922 5, 248, 227, 244, 242, 255, 241, 231,
2923 240, 253, 16, 197, 19, 20, 21, 187,
2924 23, 169, 210, 245, 237, 249, 247, 239,
2925 168, 252, 34, 196, 36, 37, 38, 39,
2926 41, 42, 251, 254, 238, 223, 221, 213,
2927 225, 177, 52, 53, 54, 55, 56, 57,
2928 58, 59, 60, 61, 63, 64, 65, 66,
2929 67, 68, 69, 70, 71, 72, 74, 75,
2930 205, 208, 186, 202, 200, 218, 198, 179,
2931 178, 214, 88, 89, 90, 91, 92, 93,
2932 217, 166, 170, 207, 199, 209, 206, 204,
2933 160, 212, 105, 106, 108, 109, 110, 111,
2934 203, 113, 216, 215, 192, 175, 193, 243,
2935 172, 161, 123, 124, 125, 126, 127, 128,
2936 222, 219, 211, 195, 188, 193, 185, 184,
2937 191, 183, 141, 142, 143, 144, 145, 146
2938};
2939#else /* ascii rather than ebcdic */
22c35a8c 2940EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW
2941 1, 2, 84, 151, 154, 155, 156, 157,
2942 165, 246, 250, 3, 158, 7, 18, 29,
2943 40, 51, 62, 73, 85, 96, 107, 118,
2944 129, 140, 147, 148, 149, 150, 152, 153,
2945 255, 182, 224, 205, 174, 176, 180, 217,
2946 233, 232, 236, 187, 235, 228, 234, 226,
2947 222, 219, 211, 195, 188, 193, 185, 184,
2948 191, 183, 201, 229, 181, 220, 194, 162,
2949 163, 208, 186, 202, 200, 218, 198, 179,
2950 178, 214, 166, 170, 207, 199, 209, 206,
2951 204, 160, 212, 216, 215, 192, 175, 173,
2952 243, 172, 161, 190, 203, 189, 164, 230,
2953 167, 248, 227, 244, 242, 255, 241, 231,
2954 240, 253, 169, 210, 245, 237, 249, 247,
2955 239, 168, 252, 251, 254, 238, 223, 221,
2956 213, 225, 177, 197, 171, 196, 159, 4,
2957 5, 6, 8, 9, 10, 11, 12, 13,
2958 14, 15, 16, 17, 19, 20, 21, 22,
2959 23, 24, 25, 26, 27, 28, 30, 31,
2960 32, 33, 34, 35, 36, 37, 38, 39,
2961 41, 42, 43, 44, 45, 46, 47, 48,
2962 49, 50, 52, 53, 54, 55, 56, 57,
2963 58, 59, 60, 61, 63, 64, 65, 66,
2964 67, 68, 69, 70, 71, 72, 74, 75,
2965 76, 77, 78, 79, 80, 81, 82, 83,
2966 86, 87, 88, 89, 90, 91, 92, 93,
2967 94, 95, 97, 98, 99, 100, 101, 102,
2968 103, 104, 105, 106, 108, 109, 110, 111,
2969 112, 113, 114, 115, 116, 117, 119, 120,
2970 121, 122, 123, 124, 125, 126, 127, 128,
2971 130, 131, 132, 133, 134, 135, 136, 137,
2972 138, 139, 141, 142, 143, 144, 145, 146
2973};
9d116dd7 2974#endif
79072805 2975#else
22c35a8c 2976EXTCONST unsigned char PL_freq[];
79072805
LW
2977#endif
2978
8990e307
LW
2979#ifdef DEBUGGING
2980#ifdef DOINIT
22c35a8c 2981EXTCONST char* PL_block_type[] = {
8990e307
LW
2982 "NULL",
2983 "SUB",
2984 "EVAL",
2985 "LOOP",
2986 "SUBST",
2987 "BLOCK",
2988};
2989#else
22c35a8c 2990EXTCONST char* PL_block_type[];
8990e307
LW
2991#endif
2992#endif
2993
73c4f7a1
GS
2994END_EXTERN_C
2995
79072805
LW
2996/*****************************************************************************/
2997/* This lexer/parser stuff is currently global since yacc is hard to reenter */
2998/*****************************************************************************/
8990e307 2999/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3000
a0d0e21e
LW
3001#include "perly.h"
3002
fb73857a
PP
3003#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3004
79072805
LW
3005typedef enum {
3006 XOPERATOR,
3007 XTERM,
79072805 3008 XREF,
8990e307 3009 XSTATE,
a0d0e21e 3010 XBLOCK,
09bef843
SB
3011 XATTRBLOCK,
3012 XATTRTERM,
a0d0e21e 3013 XTERMBLOCK
79072805
LW
3014} expectation;
3015
dc9e4912
GS
3016enum { /* pass one of these to get_vtbl */
3017 want_vtbl_sv,
3018 want_vtbl_env,
3019 want_vtbl_envelem,
3020 want_vtbl_sig,
3021 want_vtbl_sigelem,
3022 want_vtbl_pack,
3023 want_vtbl_packelem,
3024 want_vtbl_dbline,
3025 want_vtbl_isa,
3026 want_vtbl_isaelem,
3027 want_vtbl_arylen,
3028 want_vtbl_glob,
3029 want_vtbl_mglob,
3030 want_vtbl_nkeys,
3031 want_vtbl_taint,
3032 want_vtbl_substr,
3033 want_vtbl_vec,
3034 want_vtbl_pos,
3035 want_vtbl_bm,
3036 want_vtbl_fm,
3037 want_vtbl_uvar,
3038 want_vtbl_defelem,
3039 want_vtbl_regexp,
3040 want_vtbl_collxfrm,
3041 want_vtbl_amagic,
3042 want_vtbl_amagicelem,
4d1ff10f 3043#ifdef USE_5005THREADS
dc9e4912
GS
3044 want_vtbl_mutex,
3045#endif
3046 want_vtbl_regdata,
810b8aa5
GS
3047 want_vtbl_regdatum,
3048 want_vtbl_backref
dc9e4912
GS
3049};
3050
85e6fe83
LW
3051 /* Note: the lowest 8 bits are reserved for
3052 stuffing into op->op_private */
f3aa04c2 3053#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW
3054#define HINT_INTEGER 0x00000001
3055#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH
3056#define HINT_LOCALE 0x00000004
3057#define HINT_BYTES 0x00000008
393fec97 3058/* #define HINT_notused10 0x00000010 */
a0ed51b3 3059 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW
3060
3061#define HINT_BLOCK_SCOPE 0x00000100
3062#define HINT_STRICT_SUBS 0x00000200
3063#define HINT_STRICT_VARS 0x00000400
3064
b3ac6de7
IZ
3065#define HINT_NEW_INTEGER 0x00001000
3066#define HINT_NEW_FLOAT 0x00002000
3067#define HINT_NEW_BINARY 0x00004000
3068#define HINT_NEW_STRING 0x00008000
3069#define HINT_NEW_RE 0x00010000
3070#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3071
b3eb6a9b 3072#define HINT_RE_TAINT 0x00100000
e4d48cc9 3073#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3074
5ff3f7a4 3075#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3076#define HINT_UTF8 0x00800000
5ff3f7a4 3077
8bfdd7d9 3078/* Various states of the input record separator SV (rs) */
d4cce5f1 3079#define RsSNARF(sv) (! SvOK(sv))
af7d13df
G
3080#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3081#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3082#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3083
56953603 3084/* Enable variables which are pointers to functions */
a2efc822 3085typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS
3086typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3087typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3088 char* strend, char* strbeg, I32 minend,
3089 SV* screamer, void* data, U32 flags);
f722798b
IZ
3090typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3091 char *strpos, char *strend,
3092 U32 flags,
3093 struct re_scream_pos_data_s *d);
3094typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3095typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3096
c76ac1ee 3097typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS
3098typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3099typedef void (*SVFUNC_t) (pTHX_ SV*);
3100typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3101typedef void (*XSINIT_t) (pTHX);
3102typedef void (*ATEXIT_t) (pTHX_ void*);
3103typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3104
22239a37
NIS
3105/* Set up PERLVAR macros for populating structs */
3106#define PERLVAR(var,type) type var;
51371543 3107#define PERLVARA(var,n,type) type var[n];
22239a37 3108#define PERLVARI(var,type,init) type var;
3fe35a81 3109#define PERLVARIC(var,type,init) type var;
22239a37 3110
58a50f62
GS
3111/* Interpreter exitlist entry */
3112typedef struct exitlistentry {
acfe0abc 3113 void (*fn) (pTHX_ void*);
58a50f62
GS
3114 void *ptr;
3115} PerlExitListEntry;
3116
22239a37
NIS
3117#ifdef PERL_GLOBAL_STRUCT
3118struct perl_vars {
7766f137 3119# include "perlvars.h"
22239a37
NIS
3120};
3121
7766f137 3122# ifdef PERL_CORE
533c011a
NIS
3123EXT struct perl_vars PL_Vars;
3124EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS
3125# else /* PERL_CORE */
3126# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3127EXT
7766f137 3128# endif /* WIN32 */
533c011a 3129struct perl_vars *PL_VarsPtr;
7766f137
GS
3130# define PL_Vars (*((PL_VarsPtr) \
3131 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3132# endif /* PERL_CORE */
22239a37
NIS
3133#endif /* PERL_GLOBAL_STRUCT */
3134
acfe0abc 3135#if defined(MULTIPLICITY)
d460ef45 3136/* If we have multiple interpreters define a struct
d4cce5f1 3137 holding variables which must be per-interpreter
d460ef45 3138 If we don't have threads anything that would have
d4cce5f1
NIS
3139 be per-thread is per-interpreter.
3140*/
3141
79072805 3142struct interpreter {
4d1ff10f 3143# ifndef USE_5005THREADS
7766f137
GS
3144# include "thrdvar.h"
3145# endif
3146# include "intrpvar.h"
3147/*
3148 * The following is a buffer where new variables must
acfe0abc 3149 * be defined to maintain binary compatibility with previous versions
7766f137
GS
3150 */
3151PERLVARA(object_compatibility,30, char)
49f531da 3152};
d4cce5f1 3153
79072805 3154#else
49f531da
NIS
3155struct interpreter {
3156 char broiled;
3157};
acfe0abc 3158#endif /* MULTIPLICITY */
79072805 3159
4d1ff10f 3160#ifdef USE_5005THREADS
d4cce5f1
NIS
3161/* If we have threads define a struct with all the variables
3162 * that have to be per-thread
49f531da 3163 */
8023c3ce 3164
79072805 3165
49f531da 3166struct perl_thread {
49f531da 3167#include "thrdvar.h"
79072805 3168};
d4cce5f1 3169
22fae026
TM
3170typedef struct perl_thread *Thread;
3171
3172#else
3173typedef void *Thread;
22239a37
NIS
3174#endif
3175
3176/* Done with PERLVAR macros for now ... */
d4cce5f1 3177#undef PERLVAR
51371543 3178#undef PERLVARA
d4cce5f1 3179#undef PERLVARI
3fe35a81 3180#undef PERLVARIC
79072805 3181
22239a37 3182#include "thread.h"
79072805 3183#include "pp.h"
864dbfa3
GS
3184
3185#ifndef PERL_CALLCONV
3186# define PERL_CALLCONV
d460ef45 3187#endif
864dbfa3 3188
65f19062
GS
3189#ifndef NEXT30_NO_ATTRIBUTE
3190# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3191# ifdef __attribute__ /* Avoid possible redefinition errors */
3192# undef __attribute__
3193# endif
3194# define __attribute__(attr)
3195# endif
3196#endif
3197
0cb96387
GS
3198#undef PERL_CKDEF
3199#undef PERL_PPDEF
3200#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3201#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3202
7766f137 3203#include "proto.h"
864dbfa3 3204
0cb96387 3205/* this has structure inits, so it cannot be included before here */
acfe0abc 3206#include "opcode.h"
864dbfa3 3207
d4cce5f1
NIS
3208/* The following must follow proto.h as #defines mess up syntax */
3209
22c35a8c
GS
3210#if !defined(PERL_FOR_X2P)
3211# include "embedvar.h"
3212#endif
d4cce5f1 3213
d460ef45 3214/* Now include all the 'global' variables
d4cce5f1 3215 * If we don't have threads or multiple interpreters
d460ef45 3216 * these include variables that would have been their struct-s
d4cce5f1 3217 */
d460ef45 3218
533c011a 3219#define PERLVAR(var,type) EXT type PL_##var;
51371543 3220#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS
3221#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3222#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3223
acfe0abc 3224#if !defined(MULTIPLICITY)
7766f137 3225START_EXTERN_C
066ef5b5 3226# include "intrpvar.h"
4d1ff10f 3227# ifndef USE_5005THREADS
066ef5b5
GS
3228# include "thrdvar.h"
3229# endif
7766f137 3230END_EXTERN_C
22239a37
NIS
3231#endif
3232
acfe0abc 3233#if defined(WIN32)
66a93824 3234/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3235# include "embed.h"
acfe0abc 3236#endif
22239a37 3237
c5be433b
GS
3238#ifndef PERL_GLOBAL_STRUCT
3239START_EXTERN_C
3240
3241# include "perlvars.h"
3242
3243END_EXTERN_C
3244#endif
3245
d4cce5f1 3246#undef PERLVAR
51371543 3247#undef PERLVARA
d4cce5f1 3248#undef PERLVARI
0f3f18a6 3249#undef PERLVARIC
79072805 3250
73c4f7a1
GS
3251START_EXTERN_C
3252
79072805 3253#ifdef DOINIT
bbce6d69 3254
2b260de0
GS
3255EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3256 MEMBER_TO_FPTR(Perl_magic_set),
3257 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3258 0, 0};
2b260de0
GS
3259EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3260 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3261 0};
2b260de0
GS
3262EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3263 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3264 0};
22c35a8c 3265EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH
3266#ifdef PERL_MICRO
3267EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3268#else
2b260de0
GS
3269EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3270 MEMBER_TO_FPTR(Perl_magic_setsig),
3271 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3272 0};
64ca3a65 3273#endif
2b260de0 3274EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3275 0};
2b260de0
GS
3276EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3277 MEMBER_TO_FPTR(Perl_magic_setpack),
3278 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3279 0};
2b260de0 3280EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3281 0, 0, 0};
2b260de0
GS
3282EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3283 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3284 0};
2b260de0 3285EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3286 0, 0, 0};
2b260de0
GS
3287EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3288 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3289 0, 0, 0};
2b260de0
GS
3290EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3291 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3292 0, 0, 0};
2b260de0 3293EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3294 0, 0, 0};
2b260de0
GS
3295EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3296 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3297 0, 0, 0};
2b260de0 3298EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3299 0, 0, 0};
2b260de0 3300EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3301 0, 0, 0};
2b260de0
GS
3302EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3303 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3304 0, 0, 0};
2b260de0
GS
3305EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3306 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3307 0, 0, 0};
2b260de0 3308EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3309 0, 0, 0};
2b260de0 3310EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3311 0, 0, 0};
2b260de0
GS
3312EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3313 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3314 0, 0, 0};
4d1ff10f 3315#ifdef USE_5005THREADS
2b260de0 3316EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3317#endif /* USE_5005THREADS */
2b260de0 3318EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3319 0, 0, 0};
a0d0e21e 3320
2b260de0
GS
3321EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3322EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG
3323EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3324 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3325
36477c24 3326#ifdef USE_LOCALE_COLLATE
22c35a8c 3327EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3328 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69
PP
3329 0, 0, 0};
3330#endif
a0d0e21e 3331
2b260de0
GS
3332EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3333 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3334EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3335 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3336
810b8aa5 3337EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3338 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3339
d460ef45
NIS
3340EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3341 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3342
bbce6d69
PP
3343#else /* !DOINIT */
3344
22c35a8c
GS
3345EXT MGVTBL PL_vtbl_sv;
3346EXT MGVTBL PL_vtbl_env;
3347EXT MGVTBL PL_vtbl_envelem;
3348EXT MGVTBL PL_vtbl_sig;
3349EXT MGVTBL PL_vtbl_sigelem;
3350EXT MGVTBL PL_vtbl_pack;
3351EXT MGVTBL PL_vtbl_packelem;
3352EXT MGVTBL PL_vtbl_dbline;
3353EXT MGVTBL PL_vtbl_isa;
3354EXT MGVTBL PL_vtbl_isaelem;
3355EXT MGVTBL PL_vtbl_arylen;
3356EXT MGVTBL PL_vtbl_glob;
3357EXT MGVTBL PL_vtbl_mglob;
3358EXT MGVTBL PL_vtbl_nkeys;
3359EXT MGVTBL PL_vtbl_taint;
3360EXT MGVTBL PL_vtbl_substr;
3361EXT MGVTBL PL_vtbl_vec;
3362EXT MGVTBL PL_vtbl_pos;
3363EXT MGVTBL PL_vtbl_bm;
3364EXT MGVTBL PL_vtbl_fm;
3365EXT MGVTBL PL_vtbl_uvar;
d460ef45 3366EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3367
4d1ff10f 3368#ifdef USE_5005THREADS
22c35a8c 3369EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3370#endif /* USE_5005THREADS */
f93b4edd 3371
22c35a8c
GS
3372EXT MGVTBL PL_vtbl_defelem;
3373EXT MGVTBL PL_vtbl_regexp;
3374EXT MGVTBL PL_vtbl_regdata;
3375EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3376
36477c24 3377#ifdef USE_LOCALE_COLLATE
22c35a8c 3378EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3379#endif
a0d0e21e 3380
22c35a8c
GS
3381EXT MGVTBL PL_vtbl_amagic;
3382EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3383
810b8aa5
GS
3384EXT MGVTBL PL_vtbl_backref;
3385
bbce6d69 3386#endif /* !DOINIT */
85e6fe83 3387
f5284f61
IZ
3388enum {
3389 fallback_amg, abs_amg,
3390 bool__amg, nomethod_amg,
3391 string_amg, numer_amg,
3392 add_amg, add_ass_amg,
3393 subtr_amg, subtr_ass_amg,
3394 mult_amg, mult_ass_amg,
3395 div_amg, div_ass_amg,
3396 modulo_amg, modulo_ass_amg,
3397 pow_amg, pow_ass_amg,
3398 lshift_amg, lshift_ass_amg,
3399 rshift_amg, rshift_ass_amg,
3400 band_amg, band_ass_amg,
3401 bor_amg, bor_ass_amg,
3402 bxor_amg, bxor_ass_amg,
3403 lt_amg, le_amg,
3404 gt_amg, ge_amg,
3405 eq_amg, ne_amg,
3406 ncmp_amg, scmp_amg,
3407 slt_amg, sle_amg,
3408 sgt_amg, sge_amg,
3409 seq_amg, sne_amg,
3410 not_amg, compl_amg,
3411 inc_amg, dec_amg,
3412 atan2_amg, cos_amg,
3413 sin_amg, exp_amg,
3414 log_amg, sqrt_amg,
3415 repeat_amg, repeat_ass_amg,
3416 concat_amg, concat_ass_amg,
3417 copy_amg, neg_amg,
3418 to_sv_amg, to_av_amg,
3419 to_hv_amg, to_gv_amg,
d460ef45 3420 to_cv_amg, iter_amg,
f216259d
IZ
3421 int_amg, DESTROY_amg,
3422 max_amg_code
64a0062a 3423 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ
3424};
3425
3426#define NofAMmeth max_amg_code
89ffc314 3427#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3428
a0d0e21e 3429#ifdef DOINIT
22c35a8c 3430EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ
3431 /* Names kept in the symbol table. fallback => "()", the rest has
3432 "(" prepended. The only other place in perl which knows about
3433 this convention is AMG_id2name (used for debugging output and
3434 'nomethod' only), the only other place which has it hardwired is
3435 overload.pm. */
3436 "()", "(abs", /* "fallback" should be the first. */
3437 "(bool", "(nomethod",
3438 "(\"\"", "(0+",
3439 "(+", "(+=",
3440 "(-", "(-=",
3441 "(*", "(*=",
3442 "(/", "(/=",
3443 "(%", "(%=",
3444 "(**", "(**=",
3445 "(<<", "(<<=",
3446 "(>>", "(>>=",
3447 "(&", "(&=",
3448 "(|", "(|=",
3449 "(^", "(^=",
3450 "(<", "(<=",
3451 "(>", "(>=",
3452 "(==", "(!=",
3453 "(<=>", "(cmp",
3454 "(lt", "(le",
3455 "(gt", "(ge",
3456 "(eq", "(ne",
3457 "(!", "(~",
3458 "(++", "(--",
3459 "(atan2", "(cos",
3460 "(sin", "(exp",
3461 "(log", "(sqrt",
3462 "(x", "(x=",
3463 "(.", "(.=",
3464 "(=", "(neg",
3465 "(${}", "(@{}",
3466 "(%{}", "(*{}",
3467 "(&{}", "(<>",
f216259d 3468 "(int", "DESTROY",
a0d0e21e
LW
3469};
3470#else
22c35a8c 3471EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW
3472#endif /* def INITAMAGIC */
3473
73c4f7a1
GS
3474END_EXTERN_C
3475
a6006777 3476struct am_table {
a0d0e21e
LW
3477 long was_ok_sub;
3478 long was_ok_am;
a6006777
PP
3479 U32 flags;
3480 CV* table[NofAMmeth];
a0d0e21e
LW
3481 long fallback;
3482};
a6006777
PP
3483struct am_table_short {
3484 long was_ok_sub;
3485 long was_ok_am;
3486 U32 flags;
3487};
a0d0e21e 3488typedef struct am_table AMT;
a6006777 3489typedef struct am_table_short AMTS;
a0d0e21e
LW
3490
3491#define AMGfallNEVER 1
3492#define AMGfallNO 2
3493#define AMGfallYES 3
3494
a6006777 3495#define AMTf_AMAGIC 1
32251b26 3496#define AMTf_OVERLOADED 2
a6006777
PP
3497#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3498#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3499#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ
3500#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3501#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3502#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3503
32251b26 3504#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH
3505
3506/*
3507 * some compilers like to redefine cos et alia as faster
3508 * (and less accurate?) versions called F_cos et cetera (Quidquid
3509 * latine dictum sit, altum viditur.) This trick collides with
3510 * the Perl overloading (amg). The following #defines fool both.
3511 */
3512
3513#ifdef _FASTMATH
3514# ifdef atan2
3515# define F_atan2_amg atan2_amg
3516# endif
3517# ifdef cos
3518# define F_cos_amg cos_amg
3519# endif
3520# ifdef exp
3521# define F_exp_amg exp_amg
3522# endif
3523# ifdef log
3524# define F_log_amg log_amg
3525# endif
3526# ifdef pow
3527# define F_pow_amg pow_amg
3528# endif
3529# ifdef sin
3530# define F_sin_amg sin_amg
3531# endif
3532# ifdef sqrt
3533# define F_sqrt_amg sqrt_amg
3534# endif
3535#endif /* _FASTMATH */
3536
83ee9e09
GS
3537#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3538 PERLDBf_NOOPT | PERLDBf_INTER | \
3539 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3540 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3541 /* No _NONAME, _GOTO */
3542#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3543#define PERLDBf_LINE 0x02 /* Keep line # */
3544#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3545#define PERLDBf_INTER 0x08 /* Preserve more data for
3546 later inspections */
3547#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3548#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3549#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3550#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3551#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3552#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3553
3280af22
NIS
3554#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3555#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3556#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3557#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3558#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3559#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3560#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3561#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS
3562#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3563#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3564
bbce6d69 3565
36477c24 3566#ifdef USE_LOCALE_NUMERIC
bbce6d69 3567
36477c24 3568#define SET_NUMERIC_STANDARD() \
ff4fed7c 3569 set_numeric_standard();
36477c24
PP
3570
3571#define SET_NUMERIC_LOCAL() \
ff4fed7c 3572 set_numeric_local();
bbce6d69 3573
2de3dbcc
JH
3574#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3575#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3576
3577#define IN_LOCALE \
3578 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3579
f93f4e46 3580#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3581 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3582 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK
3583
3584#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3585 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3586 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK
3587
3588#define RESTORE_NUMERIC_LOCAL() \
3589 if (was_local) SET_NUMERIC_LOCAL();
3590
3591#define RESTORE_NUMERIC_STANDARD() \
3592 if (was_standard) SET_NUMERIC_STANDARD();
3593
5b877257 3594#define Atof my_atof
097ee67d 3595
36477c24 3596#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3597
097ee67d
JH
3598#define SET_NUMERIC_STANDARD() /**/
3599#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3600#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK
3601#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3602#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH
3603#define RESTORE_NUMERIC_LOCAL() /**/
3604#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3605#define Atof Perl_atof
ad3e0f90 3606#define IN_LOCALE_RUNTIME 0
bbce6d69 3607
36477c24 3608#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3609
079290de 3610#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH
3611# ifdef __hpux
3612# define strtoll __strtoll /* secret handshake */
3613# endif
079290de
GS
3614# if !defined(Strtol) && defined(HAS_STRTOLL)
3615# define Strtol strtoll
ad551343 3616# endif
28e5dec8
JH
3617# if !defined(Strtol) && defined(HAS_STRTOQ)
3618# define Strtol strtoq
3619# endif
ff935051 3620/* is there atoq() anywhere? */
15b99d39 3621#endif
079290de
GS
3622#if !defined(Strtol) && defined(HAS_STRTOL)
3623# define Strtol strtol
3624#endif
3625#ifndef Atol
3626/* It would be more fashionable to use Strtol() to define atol()
3627 * (as is done for Atoul(), see below) but for backward compatibility
3628 * we just assume atol(). */
76b882ba
JH
3629# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3630# define Atol atoll
3631# else
3632# define Atol atol
3633# endif
cf2093f6
JH
3634#endif
3635
55eb892c 3636#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH
3637# ifdef __hpux
3638# define strtoull __strtoull /* secret handshake */
3639# endif
ad551343 3640# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3641# define Strtoul strtoull
15b99d39 3642# endif
079290de
GS
3643# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3644# define Strtoul strtouq
3645# endif
76d49b1c 3646/* is there atouq() anywhere? */
ad551343 3647#endif
079290de
GS
3648#if !defined(Strtoul) && defined(HAS_STRTOUL)
3649# define Strtoul strtoul
cf2093f6 3650#endif
079290de
GS
3651#ifndef Atoul
3652# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3653#endif
cf2093f6 3654
e5c9fcd0 3655#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS
3656/*
3657 * Now we have __attribute__ out of the way
3658 * Remap printf
760ac839 3659 */
39455587 3660#undef printf
c745e42c
NIS
3661#ifdef __GNUC__
3662#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3663#else
760ac839
LW
3664#define printf PerlIO_stdoutf
3665#endif
c745e42c 3666#endif
760ac839 3667
06d86050
GS
3668/* if these never got defined, they need defaults */
3669#ifndef PERL_SET_CONTEXT
3670# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3671#endif
3672
3673#ifndef PERL_GET_CONTEXT
3674# define PERL_GET_CONTEXT PERL_GET_INTERP
3675#endif
3676
3677#ifndef PERL_GET_THX
3678# define PERL_GET_THX ((void*)NULL)
3679#endif
3680
3681#ifndef PERL_SET_THX
3682# define PERL_SET_THX(t) NOOP
3683#endif
3684
a868473f
NIS
3685#ifndef PERL_SCRIPT_MODE
3686#define PERL_SCRIPT_MODE "r"
3687#endif
3688
fba3b22e 3689/*
da927450
JH
3690 * Some operating systems are stingy with stack allocation,
3691 * so perl may have to guard against stack overflow.
3692 */
3693#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3694#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH
3695#endif
3696
3697/*
3698 * Some nonpreemptive operating systems find it convenient to
3699 * check for asynchronous conditions after each op execution.
3700 * Keep this check simple, or it may slow down execution
3701 * massively.
3702 */
ce08f86c 3703
1d615522
JH
3704#ifndef PERL_MICRO
3705# ifndef PERL_OLD_SIGNALS
2986a63f
JH
3706# ifndef PERL_ASYNC_CHECK
3707# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3708# endif
1d615522 3709# endif
ce08f86c
NIS
3710#endif
3711
da927450 3712#ifndef PERL_ASYNC_CHECK
1d615522 3713# define PERL_ASYNC_CHECK() NOOP
da927450
JH
3714#endif
3715
3716/*
3717 * On some operating systems, a memory allocation may succeed,
3718 * but put the process too close to the system's comfort limit.
3719 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3720 * it to NULL.
3721 */
3722#ifndef PERL_ALLOC_CHECK
c2af87cb 3723#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH
3724#endif
3725
3726/*
fba3b22e
MB
3727 * nice_chunk and nice_chunk size need to be set
3728 * and queried under the protection of sv_mutex
3729 */
30ad99e7
MJD
3730#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3731 void *new_chunk; \
3732 U32 new_chunk_size; \
3733 LOCK_SV_MUTEX; \
3734 new_chunk = (void *)(chunk); \
3735 new_chunk_size = (chunk_size); \
3736 if (new_chunk_size > PL_nice_chunk_size) { \
3737 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3738 PL_nice_chunk = new_chunk; \
3739 PL_nice_chunk_size = new_chunk_size; \
3740 } else { \
3741 Safefree(chunk); \
3742 } \
3743 UNLOCK_SV_MUTEX; \
3744 } STMT_END
fba3b22e 3745
bd89102f
AD
3746#ifdef HAS_SEM
3747# include <sys/ipc.h>
3748# include <sys/sem.h>
3749# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3750 union semun {
dbba660d
TC
3751 int val;
3752 struct semid_ds *buf;
3753 unsigned short *array;
bd89102f
AD
3754 };
3755# endif
3756# ifdef USE_SEMCTL_SEMUN
dbba660d
TC
3757# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3758 union gccbug_semun {
3759 int val;
3760 struct semid_ds *buf;
3761 unsigned short *array;
3762 char __dummy[5];
3763 };
3764# define semun gccbug_semun
3765# endif
bd89102f
AD
3766# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)