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two fake test failures on VMS fixed
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
bc89e66f 3 * Copyright (c) 1987-2001, Larry Wall
a687059c 4 *
352d5a3a
LW		 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
LW		 9#ifndef H_PERL
10#define H_PERL 1
8d063cd8 11
760ac839
LW		 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
760ac839
LW		 19#undef USE_STDIO
20#define USE_STDIO
21#endif /* PERL_FOR_X2P */
22
0cb96387 23#define VOIDUSED 1
d460ef45 24#ifdef PERL_MICRO
12ae5dfc
JH		 25# include "uconfig.h"
26#else
27# include "config.h"
28#endif
0cb96387 29
aaacdc8b
GS		 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*/
4d1ff10f
AB		 37#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
38# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 39#endif
40
2c2d71f5
JH		 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
GS		 46# define MULTIPLICITY
47# endif
48#endif
49
4d1ff10f 50#ifdef USE_5005THREADS
c5be433b
GS		 51# ifndef PERL_IMPLICIT_CONTEXT
52# define PERL_IMPLICIT_CONTEXT
53# endif
c5be433b
GS		 54#endif
55
c5be433b
GS		 56#if defined(MULTIPLICITY)
57# ifndef PERL_IMPLICIT_CONTEXT
58# define PERL_IMPLICIT_CONTEXT
59# endif
c5be433b
GS		 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
f63b9778
GS		 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
GS		 80# define pTHX_1 2
81# define pTHX_2 3
82# define pTHX_3 4
83# define pTHX_4 5
c5be433b
GS		 84#endif
85
76e3520e
GS		 86#define STATIC static
87#define CPERLscope(x) x
565764a8 88#define CPERLarg void
76e3520e 89#define CPERLarg_
e3b8966e 90#define _CPERLarg
1d583055
GS		 91#define PERL_OBJECT_THIS
92#define _PERL_OBJECT_THIS
93#define PERL_OBJECT_THIS_
312caa8e 94#define CALL_FPTR(fptr) (*fptr)
76e3520e 95
312caa8e
CS		 96#define CALLRUNOPS CALL_FPTR(PL_runops)
97#define CALLREGCOMP CALL_FPTR(PL_regcompp)
98#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 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)
14dd3ad8
GS		 102
103#ifdef PERL_FLEXIBLE_EXCEPTIONS
104# define CALLPROTECT CALL_FPTR(PL_protect)
105#endif
312caa8e 106
44dbb695
JH		 107#ifdef HASATTRIBUTE
108# define PERL_UNUSED_DECL __attribute__((unused))
109#else
110# define PERL_UNUSED_DECL
111#endif
112
349b520e
DM		 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
GS		 122#ifndef pTHX
123# define pTHX void
124# define pTHX_
0cb96387
GS		 125# define aTHX
126# define aTHX_
0cb96387
GS		 127# define dTHXa(a) dNOOP
128# define dTHX dNOOP
894356b3
GS		 129# define pTHX_1 1
130# define pTHX_2 2
131# define pTHX_3 3
132# define pTHX_4 4
0cb96387
GS		 133#endif
134
b4f7f263
GS		 135/* these are only defined for compatibility; should not be used internally */
136#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 137# define pTHXo pTHX
138# define pTHXo_ pTHX_
0cb96387
GS		 139# define aTHXo aTHX
140# define aTHXo_ aTHX_
c5be433b 141# define dTHXo dTHX
71d280e3 142# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 143#endif
144
145#ifndef pTHXx
146# define pTHXx register PerlInterpreter *my_perl
147# define pTHXx_ pTHXx,
0cb96387
GS		 148# define aTHXx my_perl
149# define aTHXx_ aTHXx,
c5be433b 150# define dTHXx dTHX
22c35a8c 151#endif
71be2cbc 152
1de7c2ac
GS		 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
326b05e3
GS		 162#undef START_EXTERN_C
163#undef END_EXTERN_C
164#undef EXTERN_C
32f822de
GS		 165#ifdef __cplusplus
166# define START_EXTERN_C extern "C" {
167# define END_EXTERN_C }
168# define EXTERN_C extern "C"
169#else
d460ef45
NIS		 170# define START_EXTERN_C
171# define END_EXTERN_C
73c4f7a1 172# define EXTERN_C extern
32f822de
GS		 173#endif
174
462e5cf6
MB		 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));
462e5cf6
MB		 180# endif
181#endif
182
728e2803 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)
728e2803 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
55497cff 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 */
79072805
LW		 220# define BYTEORDER 0x1234
221#endif
222
223/* Overall memory policy? */
224#ifndef CONSERVATIVE
225# define LIBERAL 1
226#endif
227
8ada0baa
JH		 228#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
229#define ASCIIish
230#else
231#undef ASCIIish
232#endif
233
79072805
LW		 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)
ee0007ab
LW		 244#define DOSISH 1
245#endif
246
2986a63f 247#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 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 252# define DONT_DECLARE_STD 1
253#endif
254
352d5a3a 255#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805
LW		 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
663a0e37
LW		 263#endif
264
3280af22
NIS		 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
a6e633de 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
a6e633de 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 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
663a0e37
LW		 319#endif
320
3d62afa2 321/* Use the reentrant APIs like localtime_r and getpwent_r */
d80aa559
GS		 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
3d62afa2
JH		 325#endif
326
8ac5a1fe
MH		 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
MH		 332# include <pthread.h>
333#endif
334
760ac839
LW		 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
663a0e37
LW		 339#endif
340
760ac839
LW		 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
JH		 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 */
0c30d9ec 366
367#else /* !USE_NEXT_CTYPE */
fe14fcc3 368#include <ctype.h>
0c30d9ec 369#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 370
371#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
372#undef METHOD
a0d0e21e
LW		 373#endif
374
12ae5dfc
JH		 375#ifdef PERL_MICRO
376# define NO_LOCALE
377#endif
378
4633a7c4 379#ifdef I_LOCALE
36477c24 380# include <locale.h>
4633a7c4
LW		 381#endif
382
36477c24 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
79072805
LW		 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
JH		 417int syscall(int, ...);
418#endif
419
fa0a29af
JH		 420#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO)
421int usleep(unsigned int);
2ef53570
JH		 422#endif
423
9a34ef1d
GS		 424#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
425# define MYSWAP
426#endif
427
d18c6117 428#if !defined(PERL_FOR_X2P) && !defined(WIN32)
cea2e8a9
GS		 429# include "embed.h"
430#endif
431
c31fac66
GS		 432#define MEM_SIZE Size_t
433
51371543
GS		 434#if defined(STANDARD_C) && defined(I_STDDEF)
435# include <stddef.h>
436# define STRUCT_OFFSET(s,m) offsetof(s,m)
437#else
438# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
439#endif
440
441#if defined(I_STRING) || defined(__cplusplus)
442# include <string.h>
443#else
444# include <strings.h>
445#endif
446
55497cff 447/* This comes after <stdlib.h> so we don't try to change the standard
448 * library prototypes; we'll use our own in proto.h instead. */
03a14243 449
4633a7c4 450#ifdef MYMALLOC
86058a2d 451# ifdef PERL_POLLUTE_MALLOC
ee13e175 452# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 453# define Perl_malloc malloc
454# define Perl_calloc calloc
455# define Perl_realloc realloc
456# define Perl_mfree free
ee13e175 457# endif
86058a2d
GS		 458# else
459# define EMBEDMYMALLOC /* for compatibility */
460# endif
20ce7b12
GS		 461Malloc_t Perl_malloc (MEM_SIZE nbytes);
462Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
463Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 464/* 'mfree' rather than 'free', since there is already a 'perl_free'
465 * that causes clashes with case-insensitive linkers */
20ce7b12 466Free_t Perl_mfree (Malloc_t where);
55497cff 467
827e134a
GS		 468typedef struct perl_mstats perl_mstats_t;
469
651b9576
GS		 470# define safemalloc Perl_malloc
471# define safecalloc Perl_calloc
472# define saferealloc Perl_realloc
473# define safefree Perl_mfree
f2517201
GS		 474#else /* MYMALLOC */
475# define safemalloc safesysmalloc
476# define safecalloc safesyscalloc
477# define saferealloc safesysrealloc
478# define safefree safesysfree
55497cff 479#endif /* MYMALLOC */
4633a7c4 480
a0d0e21e
LW		 481#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
482#define strchr index
483#define strrchr rindex
484#endif
485
16d20bd9
AD		 486#ifdef I_MEMORY
487# include <memory.h>
488#endif
489
fe14fcc3 490#ifdef HAS_MEMCPY
85e6fe83 491# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 492# ifndef memcpy
20ce7b12 493 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 494# endif
495# endif
496#else
497# ifndef memcpy
498# ifdef HAS_BCOPY
499# define memcpy(d,s,l) bcopy(s,d,l)
500# else
501# define memcpy(d,s,l) my_bcopy(s,d,l)
502# endif
503# endif
504#endif /* HAS_MEMCPY */
fe14fcc3 505
ee0007ab 506#ifdef HAS_MEMSET
85e6fe83 507# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 508# ifndef memset
20ce7b12 509 extern char *memset (char*, int, int);
ee0007ab
LW		 510# endif
511# endif
ee0007ab 512#else
12ae5dfc 513# undef memset
fc36a67e 514# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 515#endif /* HAS_MEMSET */
516
85e6fe83 517#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 518# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 519# define memmove(d,s,l) bcopy(s,d,l)
520# else
2304df62 521# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 522# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 523# else
79072805 524# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 525# endif
352d5a3a 526# endif
d9d8d8de 527#endif
ee0007ab 528
36477c24 529#if defined(mips) && defined(ultrix) && !defined(__STDC__)
530# undef HAS_MEMCMP
531#endif
532
533#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 534# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 535# ifndef memcmp
20ce7b12 536 extern int memcmp (char*, char*, int);
ee0007ab
LW		 537# endif
538# endif
36477c24 539# ifdef BUGGY_MSC
540 # pragma function(memcmp)
541# endif
ee0007ab
LW		 542#else
543# ifndef memcmp
ecfc5424 544# define memcmp my_memcmp
352d5a3a 545# endif
36477c24 546#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 547
fc36a67e 548#ifndef memzero
c635e13b 549# ifdef HAS_MEMSET
550# define memzero(d,l) memset(d,0,l)
79072805 551# else
c635e13b 552# ifdef HAS_BZERO
553# define memzero(d,l) bzero(d,l)
79072805 554# else
fc36a67e 555# define memzero(d,l) my_bzero(d,l)
79072805
LW		 556# endif
557# endif
d9d8d8de 558#endif
378cc40b 559
0f27ced1
JH		 560#ifndef memchr
561# ifndef HAS_MEMCHR
562# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
563# endif
564#endif
565
36477c24 566#ifndef HAS_BCMP
567# ifndef bcmp
568# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 569# endif
36477c24 570#endif /* !HAS_BCMP */
378cc40b 571
ae986130 572#ifdef I_NETINET_IN
79072805 573# include <netinet/in.h>
ae986130
LW		 574#endif
575
28e8609d
JH		 576#ifdef I_ARPA_INET
577# include <arpa/inet.h>
578#endif
579
84902520
TB		 580#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
581/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
582 * (the neo-BSD seem to do this). */
583# undef SF_APPEND
584#endif
585
1aef975c 586#ifdef I_SYS_STAT
84902520 587# include <sys/stat.h>
1aef975c 588#endif
79072805 589
a0d0e21e
LW		 590/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
591 like UTekV) are broken, sometimes giving false positives. Undefine
592 them here and let the code below set them to proper values.
593
594 The ghs macro stands for GreenHills Software C-1.8.5 which
595 is the C compiler for sysV88 and the various derivatives.
596 This header file bug is corrected in gcc-2.5.8 and later versions.
597 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
598
599#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 600# undef S_ISDIR
601# undef S_ISCHR
602# undef S_ISBLK
603# undef S_ISREG
604# undef S_ISFIFO
605# undef S_ISLNK
ee0007ab 606#endif
135863df 607
663a0e37
LW		 608#ifdef I_TIME
609# include <time.h>
ffed7fef 610#endif
663a0e37 611
fe14fcc3 612#ifdef I_SYS_TIME
85e6fe83 613# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 614# define KERNEL
615# endif
616# include <sys/time.h>
85e6fe83 617# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 618# undef KERNEL
619# endif
a687059c 620#endif
135863df 621
55497cff 622#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 623# include <sys/times.h>
d9d8d8de 624#endif
8d063cd8 625
fe14fcc3 626#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 627# undef HAS_STRERROR
663a0e37
LW		 628#endif
629
630#include <errno.h>
1e743fda 631
acfe0abc 632#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 633# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
634#endif
635
4e0554ec
JH		 636/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
637#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
638# define _SOCKADDR_LEN
639#endif
640
8d3f517a 641#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 642# include <sys/socket.h>
643# if defined(USE_SOCKS) && defined(I_SOCKS)
644# if !defined(INCLUDE_PROTOTYPES)
645# define INCLUDE_PROTOTYPES /* for <socks.h> */
646# define PERL_SOCKS_NEED_PROTOTYPES
647# endif
4d1ff10f 648# ifdef USE_5005THREADS
c3dedce1 649# define PERL_USE_THREADS /* store our value */
4d1ff10f 650# undef USE_5005THREADS
c3dedce1 651# endif
1e743fda 652# include <socks.h>
4d1ff10f
AB		 653# ifdef USE_5005THREADS
654# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 655# endif
656# ifdef PERL_USE_THREADS
4d1ff10f 657# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 658# undef PERL_USE_THREADS
659# endif
1e743fda
JH		 660# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
661# undef INCLUDE_PROTOTYPES
662# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 663# endif
d460ef45 664# endif
1e743fda 665# ifdef I_NETDB
2986a63f
JH		 666# ifdef NETWARE
667# include<stdio.h>
668# endif
1e743fda
JH		 669# include <netdb.h>
670# endif
671# ifndef ENOTSOCK
672# ifdef I_NET_ERRNO
673# include <net/errno.h>
674# endif
675# endif
676#endif
677
fa0a29af 678/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 679 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 680#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 681int sockatmark(int);
682#endif
683
1e743fda
JH		 684#ifdef SETERRNO
685# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 686#endif
f86702cc 687
688#ifdef VMS
689# define SETERRNO(errcode,vmserrcode) \
690 STMT_START { \
691 set_errno(errcode); \
692 set_vaxc_errno(vmserrcode); \
693 } STMT_END
748a9306 694#else
aba27d88 695# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 696#endif
ed6116ce 697
4d1ff10f 698#ifdef USE_5005THREADS
38a03e6e 699# define ERRSV (thr->errsv)
940cb80d
MB		 700# define DEFSV THREADSV(0)
701# define SAVE_DEFSV save_threadsv(0)
38a03e6e 702#else
3280af22 703# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 704# define DEFSV GvSV(PL_defgv)
705# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 706#endif /* USE_5005THREADS */
38a03e6e 707
98eae8f5
GS		 708#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
709
55497cff 710#ifndef errno
5ff3f7a4
GS		 711 extern int errno; /* ANSI allows errno to be an lvalue expr.
712 * For example in multithreaded environments
713 * something like this might happen:
714 * extern int *_errno(void);
715 * #define errno (*_errno()) */
d9d8d8de 716#endif
663a0e37 717
2304df62 718#ifdef HAS_STRERROR
a0d0e21e 719# ifdef VMS
20ce7b12 720 char *strerror (int,...);
a0d0e21e 721# else
68dc0745 722#ifndef DONT_DECLARE_STD
20ce7b12 723 char *strerror (int);
68dc0745 724#endif
a0d0e21e 725# endif
2304df62
AD		 726# ifndef Strerror
727# define Strerror strerror
728# endif
729#else
730# ifdef HAS_SYS_ERRLIST
79072805
LW		 731 extern int sys_nerr;
732 extern char *sys_errlist[];
2304df62
AD		 733# ifndef Strerror
734# define Strerror(e) \
79072805 735 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 736# endif
79072805 737# endif
35c8bce7 738#endif
663a0e37 739
2304df62 740#ifdef I_SYS_IOCTL
79072805
LW		 741# ifndef _IOCTL_
742# include <sys/ioctl.h>
743# endif
a687059c
LW		 744#endif
745
ee0007ab 746#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 747# ifdef HAS_SOCKETPAIR
748# undef HAS_SOCKETPAIR
749# endif
2304df62
AD		 750# ifdef I_NDBM
751# undef I_NDBM
79072805 752# endif
a687059c
LW		 753#endif
754
a687059c 755#if INTSIZE == 2
79072805
LW		 756# define htoni htons
757# define ntohi ntohs
a687059c 758#else
79072805
LW		 759# define htoni htonl
760# define ntohi ntohl
a687059c
LW		 761#endif
762
a0d0e21e 763/* Configure already sets Direntry_t */
35c8bce7 764#if defined(I_DIRENT)
663a0e37 765# include <dirent.h>
8f1f23e8
W		 766 /* NeXT needs dirent + sys/dir.h */
767# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 768# include <sys/dir.h>
769# endif
ae986130 770#else
fe14fcc3 771# ifdef I_SYS_NDIR
79a0689e 772# include <sys/ndir.h>
663a0e37 773# else
fe14fcc3 774# ifdef I_SYS_DIR
79a0689e
LW		 775# ifdef hp9000s500
776# include <ndir.h> /* may be wrong in the future */
777# else
778# include <sys/dir.h>
779# endif
663a0e37
LW		 780# endif
781# endif
4633a7c4 782#endif
a687059c 783
12ae5dfc
JH		 784#ifdef PERL_MICRO
785# ifndef DIR
786# define DIR void
787# endif
788#endif
789
352d5a3a
LW		 790#ifdef FPUTS_BOTCH
791/* work around botch in SunOS 4.0.1 and 4.0.2 */
792# ifndef fputs
79072805 793# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 794# endif
795#endif
796
c623bd54
LW		 797/*
798 * The following gobbledygook brought to you on behalf of __STDC__.
799 * (I could just use #ifndef __STDC__, but this is more bulletproof
800 * in the face of half-implementations.)
801 */
802
ca6e1c26
JH		 803#ifdef I_SYSMODE
804#include <sys/mode.h>
805#endif
806
c623bd54
LW		 807#ifndef S_IFMT
808# ifdef _S_IFMT
809# define S_IFMT _S_IFMT
810# else
811# define S_IFMT 0170000
812# endif
813#endif
814
815#ifndef S_ISDIR
816# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
817#endif
818
819#ifndef S_ISCHR
820# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
821#endif
822
823#ifndef S_ISBLK
fe14fcc3
LW		 824# ifdef S_IFBLK
825# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
826# else
827# define S_ISBLK(m) (0)
828# endif
c623bd54
LW		 829#endif
830
831#ifndef S_ISREG
832# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
833#endif
834
835#ifndef S_ISFIFO
fe14fcc3
LW		 836# ifdef S_IFIFO
837# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
838# else
839# define S_ISFIFO(m) (0)
840# endif
c623bd54
LW		 841#endif
842
843#ifndef S_ISLNK
844# ifdef _S_ISLNK
845# define S_ISLNK(m) _S_ISLNK(m)
846# else
847# ifdef _S_IFLNK
848# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
849# else
850# ifdef S_IFLNK
851# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
852# else
853# define S_ISLNK(m) (0)
854# endif
855# endif
856# endif
857#endif
858
859#ifndef S_ISSOCK
860# ifdef _S_ISSOCK
861# define S_ISSOCK(m) _S_ISSOCK(m)
862# else
863# ifdef _S_IFSOCK
864# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
865# else
866# ifdef S_IFSOCK
867# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
868# else
869# define S_ISSOCK(m) (0)
870# endif
871# endif
872# endif
873#endif
874
875#ifndef S_IRUSR
876# ifdef S_IREAD
877# define S_IRUSR S_IREAD
878# define S_IWUSR S_IWRITE
879# define S_IXUSR S_IEXEC
880# else
881# define S_IRUSR 0400
882# define S_IWUSR 0200
883# define S_IXUSR 0100
884# endif
fac7cdfc
JS		 885#endif
886
887#ifndef S_IRGRP
888# ifdef S_IRUSR
889# define S_IRGRP (S_IRUSR>>3)
890# define S_IWGRP (S_IWUSR>>3)
891# define S_IXGRP (S_IXUSR>>3)
892# else
893# define S_IRGRP 0040
894# define S_IWGRP 0020
895# define S_IXGRP 0010
896# endif
897#endif
898
899#ifndef S_IROTH
900# ifdef S_IRUSR
901# define S_IROTH (S_IRUSR>>6)
902# define S_IWOTH (S_IWUSR>>6)
903# define S_IXOTH (S_IXUSR>>6)
904# else
905# define S_IROTH 0040
906# define S_IWOTH 0020
907# define S_IXOTH 0010
908# endif
c623bd54
LW		 909#endif
910
911#ifndef S_ISUID
912# define S_ISUID 04000
913#endif
914
915#ifndef S_ISGID
916# define S_ISGID 02000
917#endif
918
ca6e1c26
JH		 919#ifndef S_IRWXU
920# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 921#endif
ca6e1c26
JH		 922
923#ifndef S_IRWXG
924# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 925#endif
ca6e1c26
JH		 926
927#ifndef S_IRWXO
928# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 929#endif
ca6e1c26
JH		 930
931#ifndef S_IREAD
932# define S_IREAD S_IRUSR
933#endif
934
935#ifndef S_IWRITE
936# define S_IWRITE S_IWUSR
937#endif
938
939#ifndef S_IEXEC
940# define S_IEXEC S_IXUSR
941#endif
942
79072805
LW		 943#ifdef ff_next
944# undef ff_next
352d5a3a
LW		 945#endif
946
a0d0e21e 947#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 948# define SLOPPYDIVIDE
949#endif
950
748a9306
LW		 951#ifdef UV
952#undef UV
953#endif
954
c89df6bf
JH		 955#ifdef SPRINTF_E_BUG
956# define sprintf UTS_sprintf_wrap
957#endif
958
c495e728
JH		 959/* Configure gets this right but the UTS compiler gets it wrong.
960 -- Hal Morris <hom00@utsglobal.com> */
961#ifdef UTS
962# undef UVTYPE
963# define UVTYPE unsigned
964#endif
965
05f13f53 966/*
27d4fb96 967 The IV type is supposed to be long enough to hold any integral
968 value or a pointer.
969 --Andy Dougherty August 1996
970*/
971
a22e52b9
JH		 972typedef IVTYPE IV;
973typedef UVTYPE UV;
8175356b 974
10cc9d2a 975#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 976# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 977# define IV_MAX INT64_MAX
978# define IV_MIN INT64_MIN
979# define UV_MAX UINT64_MAX
cae7ae48
JH		 980# ifndef UINT64_MIN
981# define UINT64_MIN 0
982# endif
5ff3f7a4
GS		 983# define UV_MIN UINT64_MIN
984# else
985# define IV_MAX PERL_QUAD_MAX
986# define IV_MIN PERL_QUAD_MIN
987# define UV_MAX PERL_UQUAD_MAX
988# define UV_MIN PERL_UQUAD_MIN
989# endif
cf2093f6
JH		 990# define IV_IS_QUAD
991# define UV_IS_QUAD
79072805 992#else
8175356b 993# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 994# define IV_MAX INT32_MAX
995# define IV_MIN INT32_MIN
716026f9
DL		 996# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
997# define UV_MAX UINT32_MAX
998# else
999# define UV_MAX 4294967295U
1000# endif
cae7ae48
JH		 1001# ifndef UINT32_MIN
1002# define UINT32_MIN 0
1003# endif
5ff3f7a4
GS		 1004# define UV_MIN UINT32_MIN
1005# else
1006# define IV_MAX PERL_LONG_MAX
1007# define IV_MIN PERL_LONG_MIN
1008# define UV_MAX PERL_ULONG_MAX
1009# define UV_MIN PERL_ULONG_MIN
1010# endif
8175356b 1011# if IVSIZE == 8
cf2093f6
JH		 1012# define IV_IS_QUAD
1013# define UV_IS_QUAD
de1c2614
JH		 1014# ifndef HAS_QUAD
1015# define HAS_QUAD
1016# endif
cf2093f6
JH		 1017# else
1018# undef IV_IS_QUAD
1019# undef UV_IS_QUAD
de1c2614 1020# undef HAS_QUAD
cf2093f6 1021# endif
79072805 1022#endif
d7d93a81 1023
6cde8aec 1024#if defined(uts) || defined(UTS)
11afe549
HM		 1025# undef UV_MAX
1026# define UV_MAX (4294967295u)
20601011
JH		 1027#endif
1028
cae7ae48 1029#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1030#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1031
28e5dec8 1032#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1033#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1034#endif
1035
d460ef45 1036/*
26bb67e2
JH		 1037 * The macros INT2PTR and NUM2PTR are (despite their names)
1038 * bi-directional: they will convert int/float to or from pointers.
1039 * However the conversion to int/float are named explicitly:
1040 * PTR2IV, PTR2UV, PTR2NV.
1041 *
1042 * For int conversions we do not need two casts if pointers are
1043 * the same size as IV and UV. Otherwise we need an explicit
1044 * cast (PTRV) to avoid compiler warnings.
1045 */
56431972
RB		 1046#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1047# define PTRV UV
1048# define INT2PTR(any,d) (any)(d)
1049#else
d460ef45 1050# if PTRSIZE == LONGSIZE
56431972 1051# define PTRV unsigned long
42718184 1052# else
56431972 1053# define PTRV unsigned
42718184 1054# endif
56431972 1055# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1056#endif
56431972
RB		 1057#define NUM2PTR(any,d) (any)(PTRV)(d)
1058#define PTR2IV(p) INT2PTR(IV,p)
1059#define PTR2UV(p) INT2PTR(UV,p)
1060#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1061#if PTRSIZE == LONGSIZE
d2560b70
RB		 1062# define PTR2ul(p) (unsigned long)(p)
1063#else
1064# define PTR2ul(p) INT2PTR(unsigned long,p)
1065#endif
d460ef45 1066
65202027 1067#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1068# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1069# define LONG_DOUBLE_EQUALS_DOUBLE
1070# endif
68d4903c 1071# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1072# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1073# endif
1074#endif
1075
2d4389e4
JH		 1076#ifdef OVR_DBL_DIG
1077/* Use an overridden DBL_DIG */
1078# ifdef DBL_DIG
1079# undef DBL_DIG
1080# endif
1081# define DBL_DIG OVR_DBL_DIG
1082#else
1083/* The following is all to get DBL_DIG, in order to pick a nice
1084 default value for printing floating point numbers in Gconvert.
1085 (see config.h)
1086*/
1087#ifdef I_LIMITS
1088#include <limits.h>
1089#endif
1090#ifdef I_FLOAT
1091#include <float.h>
1092#endif
1093#ifndef HAS_DBL_DIG
1094#define DBL_DIG 15 /* A guess that works lots of places */
1095#endif
1096#endif
cbca01e1
JH		 1097#ifdef I_FLOAT
1098#include <float.h>
1099#endif
1100#ifndef HAS_DBL_DIG
1101#define DBL_DIG 15 /* A guess that works lots of places */
1102#endif
2d4389e4
JH		 1103
1104#ifdef OVR_LDBL_DIG
1105/* Use an overridden LDBL_DIG */
1106# ifdef LDBL_DIG
1107# undef LDBL_DIG
1108# endif
1109# define LDBL_DIG OVR_LDBL_DIG
1110#else
1111/* The following is all to get LDBL_DIG, in order to pick a nice
1112 default value for printing floating point numbers in Gconvert.
1113 (see config.h)
1114*/
68d4903c
JH		 1115# ifdef I_LIMITS
1116# include <limits.h>
1117# endif
1118# ifdef I_FLOAT
1119# include <float.h>
1120# endif
1121# ifndef HAS_LDBL_DIG
1122# if LONG_DOUBLESIZE == 10
1123# define LDBL_DIG 18 /* assume IEEE */
1124# else
1125# if LONG_DOUBLESIZE == 12
1126# define LDBL_DIG 18 /* gcc? */
1127# else
1128# if LONG_DOUBLESIZE == 16
1129# define LDBL_DIG 33 /* assume IEEE */
1130# else
1131# if LONG_DOUBLESIZE == DOUBLESIZE
1132# define LDBL_DIG DBL_DIG /* bummer */
1133# endif
1134# endif
1135# endif
1136# endif
1137# endif
2d4389e4
JH		 1138#endif
1139
a22e52b9 1140typedef NVTYPE NV;
8175356b 1141
792d8dab
JH		 1142#ifdef I_IEEEFP
1143# include <ieeefp.h>
1144#endif
923fc586 1145
65202027 1146#ifdef USE_LONG_DOUBLE
923fc586
JH		 1147# ifdef I_SUNMATH
1148# include <sunmath.h>
1149# endif
2d4389e4 1150# define NV_DIG LDBL_DIG
d6c14000
JH		 1151# ifdef LDBL_MANT_DIG
1152# define NV_MANT_DIG LDBL_MANT_DIG
1153# endif
06fc1729
JH		 1154# ifdef LDBL_MIN
1155# define NV_MIN LDBL_MIN
1156# endif
1157# ifdef LDBL_MAX
1158# define NV_MAX LDBL_MAX
1159# endif
1160# ifdef LDBL_MIN_10_EXP
1161# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1162# endif
1163# ifdef LDBL_MAX_10_EXP
1164# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1165# endif
1166# ifdef LDBL_EPSILON
1167# define NV_EPSILON LDBL_EPSILON
1168# endif
f4a14a62
JH		 1169# ifdef LDBL_MAX
1170# define NV_MAX LDBL_MAX
1171# define NV_MIN LDBL_MIN
1172# else
1173# ifdef HUGE_VALL
1174# define NV_MAX HUGE_VALL
1175# else
1176# ifdef HUGE_VAL
1177# define NV_MAX ((NV)HUGE_VAL)
1178# endif
1179# endif
1180# endif
68d4903c 1181# ifdef HAS_SQRTL
68d4903c
JH		 1182# define Perl_cos cosl
1183# define Perl_sin sinl
1184# define Perl_sqrt sqrtl
1185# define Perl_exp expl
1186# define Perl_log logl
1187# define Perl_atan2 atan2l
1188# define Perl_pow powl
1189# define Perl_floor floorl
1190# define Perl_fmod fmodl
1191# endif
a3540c92
JH		 1192/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1193# ifdef HAS_MODFL
1194# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH		 1195# else
1196# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1197# endif
1198# ifdef HAS_FREXPL
dff3e0b8 1199# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1200# else
1201# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1202# endif
758a5d79
JH		 1203# ifndef Perl_isinf
1204# ifdef HAS_ISNANL
1205# define Perl_isnan(x) isnanl(x)
1206# endif
1207# endif
1208# ifndef Perl_isinf
1209# ifdef HAS_FINITEL
1210# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1211# endif
1212# endif
65202027 1213#else
2d4389e4 1214# define NV_DIG DBL_DIG
d6c14000
JH		 1215# ifdef DBL_MANT_DIG
1216# define NV_MANT_DIG DBL_MANT_DIG
1217# endif
06fc1729
JH		 1218# ifdef DBL_MIN
1219# define NV_MIN DBL_MIN
1220# endif
1221# ifdef DBL_MAX
1222# define NV_MAX DBL_MAX
1223# endif
1224# ifdef DBL_MIN_10_EXP
1225# define NV_MIN_10_EXP DBL_MIN_10_EXP
1226# endif
1227# ifdef DBL_MAX_10_EXP
1228# define NV_MAX_10_EXP DBL_MAX_10_EXP
1229# endif
1230# ifdef DBL_EPSILON
1231# define NV_EPSILON DBL_EPSILON
1232# endif
f4a14a62
JH		 1233# ifdef DBL_MAX
1234# define NV_MAX DBL_MAX
1235# define NV_MIN DBL_MIN
1236# else
1237# ifdef HUGE_VAL
1238# define NV_MAX HUGE_VAL
1239# endif
1240# endif
65202027
DS		 1241# define Perl_cos cos
1242# define Perl_sin sin
1243# define Perl_sqrt sqrt
1244# define Perl_exp exp
1245# define Perl_log log
1246# define Perl_atan2 atan2
1247# define Perl_pow pow
1248# define Perl_floor floor
65202027 1249# define Perl_fmod fmod
a3540c92 1250# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1251# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1252#endif
1253
1254/* rumor has it that Win32 has _fpclass() */
1255
1256#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1257# ifdef I_IEEFP
1258# include <ieeefp.h>
1259# endif
1260# ifdef I_FP
1261# include <fp.h>
1262# endif
1263# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1264# define Perl_fp_class() fpclassl(x)
1265# else
1266# define Perl_fp_class() fpclass(x)
1267# endif
1268# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1269# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1270# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1271# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1272# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1273# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1274# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1275# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1276# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1277# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1278# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1279# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1280# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1281# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1282# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1283#endif
1284
1285#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS)
1286# include <math.h>
1287# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1288# include <fp_class.h>
1289# endif
1290# define Perl_fp_class(x) fp_class(x)
1291# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1292# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1293# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1294# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1295# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1296# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1297# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1298# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1299# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1300# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1301# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1302# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1303# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1304# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1305# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1306#endif
1307
1308#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1309# include <math.h>
1310# define Perl_fp_class(x) fpclassify(x)
1311# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1312# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1313# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1314# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1315# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1316#endif
1317
1318#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1319# include <math.h>
1320# ifndef _cplusplus
1321# define Perl_fp_class(x) class(x)
1322# else
1323# define Perl_fp_class(x) _class(x)
1324# endif
1325# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1326# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1327# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1328# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1329# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1330# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1331# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1332# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1333# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1334# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1335# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1336# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1337# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1338# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1339# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1340#endif
1341
1342/* rumor has it that Win32 has _isnan() */
1343
1344#ifndef Perl_isnan
a3540c92 1345# ifdef HAS_ISNAN
758a5d79
JH		 1346# define Perl_isnan(x) isnan((NV)x)
1347# else
1348# ifdef Perl_fp_class_nan
1349# define Perl_isnan(x) Perl_fp_class_nan(x)
1350# else
1351# ifdef HAS_UNORDERED
1352# define Perl_isnan(x) unordered((x), 0.0)
1353# else
1354# define Perl_isnan(x) ((x)!=(x))
1355# endif
1356# endif
1357# endif
1358#endif
1359
1360#ifndef Perl_isinf
1361# ifdef HAS_ISINF
1362# define Perl_isinf(x) isinf((NV)x)
a3540c92 1363# else
758a5d79
JH		 1364# ifdef Perl_fp_class_inf
1365# define Perl_isinf(x) Perl_fp_class_inf(x)
1366# else
1367# define Perl_isinf(x) ((x)==NV_INF)
1368# endif
1369# endif
1370#endif
1371
1372#ifndef Perl_isfinite
1373# ifdef HAS_FINITE
1374# define Perl_isfinite(x) finite((NV)x)
1375# else
1376# ifdef HAS_ISFINITE
1377# define Perl_isfinite(x) isfinite(x)
1378# else
1379# ifdef Perl_fp_class_finite
1380# define Perl_isfinite(x) Perl_fp_class_finite(x)
1381# else
1382# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1383# endif
1384# endif
a3540c92 1385# endif
65202027
DS		 1386#endif
1387
1f727ac0
HS		 1388#define Perl_atof(s) Perl_my_atof(s)
1389#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1390
d460ef45 1391/* Previously these definitions used hardcoded figures.
760ac839
LW		 1392 * It is hoped these formula are more portable, although
1393 * no data one way or another is presently known to me.
1394 * The "PERL_" names are used because these calculated constants
1395 * do not meet the ANSI requirements for LONG_MAX, etc., which
1396 * need to be constants acceptable to #if - kja
1397 * define PERL_LONG_MAX 2147483647L
1398 * define PERL_LONG_MIN (-LONG_MAX - 1)
1399 * define PERL ULONG_MAX 4294967295L
1400 */
1401
1402#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1403# include <limits.h>
1404#else
1405#ifdef I_VALUES
1406# include <values.h>
1407#endif
1408#endif
1409
99abf803 1410/*
1411 * Try to figure out max and min values for the integral types. THE CORRECT
1412 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1413 * following hacks are used if neither limits.h or values.h provide them:
1414 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1415 * for types < int: (unsigned TYPE)~(unsigned)0
1416 * The argument to ~ must be unsigned so that later signed->unsigned
1417 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1418 * and it must not be smaller than int because ~ does integral promotion.
1419 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1420 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1421 * The latter is a hack which happens to work on some machines but
1422 * does *not* catch any random system, or things like integer types
1423 * with NaN if that is possible.
1424 *
1425 * All of the types are explicitly cast to prevent accidental loss of
1426 * numeric range, and in the hope that they will be less likely to confuse
1427 * over-eager optimizers.
1428 *
1429 */
27d4fb96 1430
99abf803 1431#define PERL_UCHAR_MIN ((unsigned char)0)
1432
1433#ifdef UCHAR_MAX
1434# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1435#else
99abf803 1436# ifdef MAXUCHAR
1437# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1438# else
99abf803 1439# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1440# endif
1441#endif
d460ef45 1442
99abf803 1443/*
1444 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1445 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1446 * depending on local options. Until Configure detects this (or at least
1447 * detects whether the "signed" keyword is available) the CHAR ranges
1448 * will not be included. UCHAR functions normally.
1449 * - kja
1450 */
27d4fb96 1451
99abf803 1452#define PERL_USHORT_MIN ((unsigned short)0)
1453
1454#ifdef USHORT_MAX
1455# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1456#else
99abf803 1457# ifdef MAXUSHORT
1458# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1459# else
ef2f54b0
CB		 1460# ifdef USHRT_MAX
1461# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1462# else
1463# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1464# endif
27d4fb96 1465# endif
1466#endif
1467
27d4fb96 1468#ifdef SHORT_MAX
99abf803 1469# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1470#else
1471# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1472# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1473# else
ef2f54b0
CB		 1474# ifdef SHRT_MAX
1475# define PERL_SHORT_MAX ((short)SHRT_MAX)
1476# else
1477# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1478# endif
27d4fb96 1479# endif
1480#endif
1481
1482#ifdef SHORT_MIN
99abf803 1483# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1484#else
1485# ifdef MINSHORT
99abf803 1486# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1487# else
ef2f54b0
CB		 1488# ifdef SHRT_MIN
1489# define PERL_SHORT_MIN ((short)SHRT_MIN)
1490# else
1491# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1492# endif
27d4fb96 1493# endif
1494#endif
1495
99abf803 1496#ifdef UINT_MAX
1497# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1498#else
99abf803 1499# ifdef MAXUINT
1500# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1501# else
99abf803 1502# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1503# endif
1504#endif
1505
99abf803 1506#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1507
1508#ifdef INT_MAX
99abf803 1509# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1510#else
1511# ifdef MAXINT /* Often used in <values.h> */
99abf803 1512# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1513# else
99abf803 1514# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1515# endif
1516#endif
1517
1518#ifdef INT_MIN
99abf803 1519# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1520#else
1521# ifdef MININT
99abf803 1522# define PERL_INT_MIN ((int)MININT)
27d4fb96 1523# else
1524# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1525# endif
1526#endif
1527
99abf803 1528#ifdef ULONG_MAX
1529# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1530#else
99abf803 1531# ifdef MAXULONG
1532# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1533# else
99abf803 1534# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1535# endif
1536#endif
1537
99abf803 1538#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1539
760ac839 1540#ifdef LONG_MAX
99abf803 1541# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1542#else
1543# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1544# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1545# else
99abf803 1546# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1547# endif
1548#endif
1549
1550#ifdef LONG_MIN
99abf803 1551# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1552#else
1553# ifdef MINLONG
99abf803 1554# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1555# else
27d4fb96 1556# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1557# endif
1558#endif
1559
d7d93a81 1560#ifdef UV_IS_QUAD
99abf803 1561
99abf803 1562# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1563# define PERL_UQUAD_MIN ((UV)0)
99abf803 1564# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1565# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1566
79072805
LW		 1567#endif
1568
880b20b6
IZ		 1569struct perl_mstats {
1570 UV *nfree;
1571 UV *ntotal;
1572 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1573 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1574 IV minbucket;
1575 /* Level 1 info */
1576 UV *bucket_mem_size;
1577 UV *bucket_available_size;
1578 UV nbuckets;
1579};
830247a4 1580struct RExC_state_t;
880b20b6 1581
ee0007ab 1582typedef MEM_SIZE STRLEN;
450a55e4 1583
79072805
LW		 1584typedef struct op OP;
1585typedef struct cop COP;
1586typedef struct unop UNOP;
1587typedef struct binop BINOP;
1588typedef struct listop LISTOP;
1589typedef struct logop LOGOP;
79072805
LW		 1590typedef struct pmop PMOP;
1591typedef struct svop SVOP;
7934575e 1592typedef struct padop PADOP;
79072805 1593typedef struct pvop PVOP;
79072805
LW		 1594typedef struct loop LOOP;
1595
93a17b20 1596typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1597
1598/* Amdahl's <ksync.h> has struct sv */
1599/* SGI's <sys/sema.h> has struct sv */
1600#if defined(UTS) || defined(__sgi)
1601# define STRUCT_SV perl_sv
b8d3c5db
JH		 1602#else
1603# define STRUCT_SV sv
1604#endif
1605typedef struct STRUCT_SV SV;
79072805
LW		 1606typedef struct av AV;
1607typedef struct hv HV;
1608typedef struct cv CV;
378cc40b 1609typedef struct regexp REGEXP;
79072805 1610typedef struct gp GP;
0c30d9ec 1611typedef struct gv GV;
8990e307 1612typedef struct io IO;
c09156bb 1613typedef struct context PERL_CONTEXT;
79072805
LW		 1614typedef struct block BLOCK;
1615
1616typedef struct magic MAGIC;
ed6116ce 1617typedef struct xrv XRV;
79072805
LW		 1618typedef struct xpv XPV;
1619typedef struct xpviv XPVIV;
ff68c719 1620typedef struct xpvuv XPVUV;
79072805
LW		 1621typedef struct xpvnv XPVNV;
1622typedef struct xpvmg XPVMG;
1623typedef struct xpvlv XPVLV;
1624typedef struct xpvav XPVAV;
1625typedef struct xpvhv XPVHV;
1626typedef struct xpvgv XPVGV;
1627typedef struct xpvcv XPVCV;
1628typedef struct xpvbm XPVBM;
1629typedef struct xpvfm XPVFM;
8990e307 1630typedef struct xpvio XPVIO;
79072805
LW		 1631typedef struct mgvtbl MGVTBL;
1632typedef union any ANY;
5f7fde29
GS		 1633typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1634typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1635typedef struct clone_params CLONE_PARAMS;
1636
8d063cd8 1637
378cc40b 1638#include "handy.h"
a0d0e21e 1639
6b8eaf93 1640#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1641# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1642# define USE_64_BIT_RAWIO /* implicit */
1643# endif
4564133c
JH		 1644#endif
1645
6b8eaf93
JH		 1646/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1647 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1648 * however, because operating systems like to do that themself. */
1649#ifndef FSEEKSIZE
1650# ifdef HAS_FSEEKO
1651# define FSEEKSIZE LSEEKSIZE
1652# else
1653# define FSEEKSIZE LONGSIZE
d460ef45 1654# endif
6b8eaf93
JH		 1655#endif
1656
1657#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1658# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1659# define USE_64_BIT_STDIO /* implicit */
1660# endif
1661#endif
4564133c 1662
09458382 1663#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1664# ifdef HAS_OFF64_T
1665# undef Off_t
1666# define Off_t off64_t
1667# undef LSEEKSIZE
1668# define LSEEKSIZE 8
5ff3f7a4 1669# endif
d9b3e12d
JH		 1670/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1671 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1672 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1673# if defined(USE_OPEN64)
1674# define open open64
5ff3f7a4 1675# endif
d9b3e12d
JH		 1676# if defined(USE_LSEEK64)
1677# define lseek lseek64
6b8eaf93
JH		 1678# else
1679# if defined(USE_LLSEEK)
1680# define lseek llseek
1681# endif
d9b3e12d
JH		 1682# endif
1683# if defined(USE_STAT64)
1684# define stat stat64
1685# endif
1686# if defined(USE_FSTAT64)
1687# define fstat fstat64
1688# endif
1689# if defined(USE_LSTAT64)
1690# define lstat lstat64
1691# endif
1692# if defined(USE_FLOCK64)
1693# define flock flock64
1694# endif
1695# if defined(USE_LOCKF64)
1696# define lockf lockf64
1697# endif
1698# if defined(USE_FCNTL64)
1699# define fcntl fcntl64
1700# endif
1701# if defined(USE_TRUNCATE64)
1702# define truncate truncate64
1703# endif
1704# if defined(USE_FTRUNCATE64)
1705# define ftruncate ftruncate64
1706# endif
1707#endif
1708
1709#ifdef USE_64_BIT_STDIO
1710# ifdef HAS_FPOS64_T
1711# undef Fpos_t
1712# define Fpos_t fpos64_t
1713# endif
1714/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1715 * will trigger defines like the ones below. Some 64-bit environments,
1716 * however, do not. */
1717# if defined(USE_FOPEN64)
1718# define fopen fopen64
1719# endif
1720# if defined(USE_FSEEK64)
6b8eaf93 1721# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1722# endif
1723# if defined(USE_FTELL64)
6b8eaf93 1724# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1725# endif
1726# if defined(USE_FSETPOS64)
1727# define fsetpos fsetpos64
1728# endif
1729# if defined(USE_FGETPOS64)
1730# define fgetpos fgetpos64
1731# endif
1732# if defined(USE_TMPFILE64)
1733# define tmpfile tmpfile64
1734# endif
1735# if defined(USE_FREOPEN64)
1736# define freopen freopen64
5ff3f7a4
GS		 1737# endif
1738#endif
1739
2c2d71f5
JH		 1740#if defined(OS2)
1741# include "iperlsys.h"
1742#endif
1743
6f71a643
JH		 1744#if defined(__OPEN_VM)
1745# include "vmesa/vmesaish.h"
1746#endif
1747
748a9306 1748#ifdef DOSISH
4633a7c4
LW		 1749# if defined(OS2)
1750# include "os2ish.h"
1751# else
748a9306 1752# include "dosish.h"
4633a7c4 1753# endif
a0d0e21e 1754#else
748a9306
LW		 1755# if defined(VMS)
1756# include "vmsish.h"
1757# else
0c30d9ec 1758# if defined(PLAN9)
1759# include "./plan9/plan9ish.h"
1760# else
1d84e8df
JH		 1761# if defined(MPE)
1762# include "mpeix/mpeixish.h"
1763# else
495c5fdc
PG		 1764# if defined(__VOS__)
1765# include "vosish.h"
1766# else
4d2c4e07
OF		 1767# if defined(EPOC)
1768# include "epocish.h"
1769# else
cd39f2b6
JH		 1770# if defined(MACOS_TRADITIONAL)
1771# include "macos/macish.h"
2b3f4ecd
JH		 1772# ifndef NO_ENVIRON_ARRAY
1773# define NO_ENVIRON_ARRAY
1774# endif
cd39f2b6
JH		 1775# else
1776# include "unixish.h"
1777# endif
4d2c4e07 1778# endif
495c5fdc 1779# endif
1d84e8df 1780# endif
0c30d9ec 1781# endif
748a9306 1782# endif
13b6e58c
JH		 1783#endif
1784
1785#ifndef NO_ENVIRON_ARRAY
1786# define USE_ENVIRON_ARRAY
1787#endif
32f822de 1788
103a7189
JH		 1789#ifdef JPL
1790 /* E.g. JPL needs to operate on a copy of the real environment.
1791 * JDK 1.2 and 1.3 seem to get upset if the original environment
1792 * is diddled with. */
1793# define NEED_ENVIRON_DUP_FOR_MODIFY
1794#endif
1795
c77b533b
JH		 1796/*
1797 * initialise to avoid floating-point exceptions from overflow, etc
1798 */
1799#ifndef PERL_FPU_INIT
1800# ifdef HAS_FPSETMASK
1801# if HAS_FLOATINGPOINT_H
1802# include <floatingpoint.h>
1803# endif
1804# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1805# else
7014c407
JH		 1806# if defined(SIGFPE) && defined(SIG_IGN)
1807# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1808# else
1809# define PERL_FPU_INIT
1810# endif
c77b533b
JH		 1811# endif
1812#endif
1813
ed344e4f
IZ		 1814#ifndef PERL_SYS_INIT3
1815# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1816#endif
1817
be708cc0
JH		 1818#ifndef PERL_WRITE_MSG_TO_CONSOLE
1819# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1820#endif
1821
0f31cffe
GS		 1822#ifndef MAXPATHLEN
1823# ifdef PATH_MAX
b990c8b2
JH		 1824# ifdef _POSIX_PATH_MAX
1825# if PATH_MAX > _POSIX_PATH_MAX
1826/* MAXPATHLEN is supposed to include the final null character,
1827 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1828# define MAXPATHLEN (PATH_MAX+1)
1829# else
1830# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1831# endif
1832# else
1833# define MAXPATHLEN (PATH_MAX+1)
1834# endif
0f31cffe 1835# else
b990c8b2
JH		 1836# ifdef _POSIX_PATH_MAX
1837# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1838# else
1839# define MAXPATHLEN 1024 /* Err on the large side. */
1840# endif
0f31cffe
GS		 1841# endif
1842#endif
1843
d460ef45 1844/*
4d1ff10f 1845 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1846 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1847 * this results in many functions being undeclared which bothers C++
1848 * May make sense to have threads after "*ish.h" anyway
1849 */
1850
4d1ff10f
AB		 1851#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1852# if defined(USE_5005THREADS)
79d59c5f
GS		 1853 /* pending resolution of licensing issues, we avoid the erstwhile
1854 * atomic.h everywhere */
1855# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1856# endif
2986a63f
JH		 1857# ifdef NETWARE
1858# include <nw5thread.h>
1859# else
32f822de
GS		 1860# ifdef FAKE_THREADS
1861# include "fakethr.h"
1862# else
1863# ifdef WIN32
1864# include <win32thread.h>
1865# else
dd96f567
IZ		 1866# ifdef OS2
1867# include "os2thread.h"
1868# else
7f3d1cf1 1869# ifdef I_MACH_CTHREADS
bdd66968 1870# include <mach/cthreads.h>
8f1f23e8 1871# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1872# define MUTEX_INIT_CALLS_MALLOC
1873# endif
7f3d1cf1
BH		 1874typedef cthread_t perl_os_thread;
1875typedef mutex_t perl_mutex;
1876typedef condition_t perl_cond;
1877typedef void * perl_key;
1878# else /* Posix threads */
1f5ae88c
JH		 1879# ifdef I_PTHREAD
1880# include <pthread.h>
1881# endif
7f3d1cf1
BH		 1882typedef pthread_t perl_os_thread;
1883typedef pthread_mutex_t perl_mutex;
1884typedef pthread_cond_t perl_cond;
1885typedef pthread_key_t perl_key;
1886# endif /* I_MACH_CTHREADS */
dd96f567 1887# endif /* OS2 */
32f822de
GS		 1888# endif /* WIN32 */
1889# endif /* FAKE_THREADS */
2986a63f 1890#endif /* NETWARE */
4d1ff10f 1891#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b
GS		 1892
1893#ifdef WIN32
1feb2720 1894# include "win32.h"
c5be433b
GS		 1895#endif
1896
2986a63f
JH		 1897#ifdef NETWARE
1898# include "netware.h"
1899#endif
1900
68dc0745 1901#ifdef VMS
6b88bc9c 1902# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1903# define STATUS_NATIVE_EXPORT \
d98f61e7 1904 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1905# define STATUS_NATIVE_SET(n) \
1906 STMT_START { \
6b88bc9c
GS		 1907 PL_statusvalue_vms = (n); \
1908 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1909 PL_statusvalue = -1; \
6b88bc9c 1910 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1911 PL_statusvalue = 0; \
6b88bc9c
GS		 1912 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1913 PL_statusvalue = 1 << 8; \
68dc0745 1914 else \
6b88bc9c 1915 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1916 } STMT_END
3280af22 1917# define STATUS_POSIX PL_statusvalue
68dc0745 1918# ifdef VMSISH_STATUS
1919# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1920# else
1921# define STATUS_CURRENT STATUS_POSIX
1922# endif
1923# define STATUS_POSIX_SET(n) \
1924 STMT_START { \
3280af22
NIS		 1925 PL_statusvalue = (n); \
1926 if (PL_statusvalue != -1) { \
1927 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1928 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1929 } \
6b88bc9c 1930 else PL_statusvalue_vms = -1; \
68dc0745 1931 } STMT_END
6b88bc9c
GS		 1932# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1933# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1934#else
1935# define STATUS_NATIVE STATUS_POSIX
1936# define STATUS_NATIVE_EXPORT STATUS_POSIX
1937# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1938# define STATUS_POSIX PL_statusvalue
68dc0745 1939# define STATUS_POSIX_SET(n) \
1940 STMT_START { \
3280af22
NIS		 1941 PL_statusvalue = (n); \
1942 if (PL_statusvalue != -1) \
1943 PL_statusvalue &= 0xFFFF; \
68dc0745 1944 } STMT_END
1945# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1946# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1947# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1948#endif
1949
cc3604b1
GS		 1950/* flags in PL_exit_flags for nature of exit() */
1951#define PERL_EXIT_EXPECTED 0x01
31d77e54 1952#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1953
0b94c7bb 1954#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1955# define MEMBER_TO_FPTR(name) name
1956#endif
1957
1958/* format to use for version numbers in file/directory names */
273cf8d1 1959/* XXX move to Configure? */
a7cb1f99 1960#ifndef PERL_FS_VER_FMT
273cf8d1 1961# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 1962#endif
1963
45bc9206 1964/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 1965 * performance issue, so we allow people to disable it. Also, if
1966 * we are using stdio, there are broken implementations of fflush(NULL)
1967 * out there, Solaris being the most prominent.
45bc9206
GS		 1968 */
1969#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1970# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1971# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 1972# else
1973# ifdef FFLUSH_ALL
1974# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1975# else
c5be433b 1976# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1977# endif
66fe083f 1978# endif
45bc9206
GS		 1979#endif
1980
7766f137
GS		 1981#ifndef PERL_WAIT_FOR_CHILDREN
1982# define PERL_WAIT_FOR_CHILDREN NOOP
1983#endif
1984
ba869deb 1985/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 1986#ifndef PERL_SET_INTERP
1987# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
1988#endif
1989
1990#ifndef PERL_GET_INTERP
1991# define PERL_GET_INTERP (PL_curinterp)
1992#endif
1993
54aff467 1994#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 1995# ifdef USE_5005THREADS
ba869deb 1996# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 1997# else
1998# ifdef MULTIPLICITY
ba869deb 1999# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2000# endif
2001# endif
ba869deb
GS		 2002# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2003#endif
2004
894356b3
GS		 2005#ifndef SVf
2006# ifdef CHECK_FORMAT
2007# define SVf "p"
2008# else
2009# define SVf "_"
d460ef45 2010# endif
894356b3
GS		 2011#endif
2012
d2560b70
RB		 2013#ifndef UVf
2014# ifdef CHECK_FORMAT
2015# define UVf UVuf
2016# else
2017# define UVf "Vu"
d460ef45 2018# endif
d2560b70
RB		 2019#endif
2020
2021#ifndef VDf
2022# ifdef CHECK_FORMAT
2023# define VDf "p"
2024# else
2025# define VDf "vd"
d460ef45 2026# endif
d2560b70
RB		 2027#endif
2028
b3fe4827
RB		 2029#ifndef Nullformat
2030# ifdef CHECK_FORMAT
2031# define Nullformat "%s",""
2032# else
2033# define Nullformat Nullch
2034# endif
2035#endif
2036
3fc1aec6 2037/* Some unistd.h's give a prototype for pause() even though
2038 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2039 below to be rejected by the compiler. Sigh.
3fc1aec6 2040*/
2041#ifdef HAS_PAUSE
2042#define Pause pause
2043#else
2044#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2045#endif
2046
2047#ifndef IOCPARM_LEN
2048# ifdef IOCPARM_MASK
2049 /* on BSDish systes we're safe */
2050# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2051# else
2052 /* otherwise guess at what's safe */
2053# define IOCPARM_LEN(x) 256
2054# endif
a0d0e21e
LW		 2055#endif
2056
1761cee5 2057#if defined(__CYGWIN__)
521e0776
GS		 2058/* USEMYBINMODE
2059 * This symbol, if defined, indicates that the program should
16fe6d59 2060 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2061 * that a file is in "binary" mode -- that is, that no translation
2062 * of bytes occurs on read or write operations.
2063 */
2064# define USEMYBINMODE / **/
16fe6d59
GS		 2065# define my_binmode(fp, iotype, mode) \
2066 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2067#endif
2068
cea2e8a9
GS		 2069#ifdef UNION_ANY_DEFINITION
2070UNION_ANY_DEFINITION;
2071#else
2072union any {
2073 void* any_ptr;
2074 I32 any_i32;
2075 IV any_iv;
2076 long any_long;
c76ac1ee 2077 void (*any_dptr) (void*);
acfe0abc 2078 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2079};
2080#endif
2081
4d1ff10f 2082#ifdef USE_5005THREADS
cea2e8a9
GS		 2083#define ARGSproto struct perl_thread *thr
2084#else
2085#define ARGSproto
4d1ff10f 2086#endif /* USE_5005THREADS */
cea2e8a9 2087
acfe0abc 2088typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2089
2090#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2091#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2092#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2093
2c2d71f5
JH		 2094#if !defined(OS2)
2095# include "iperlsys.h"
2096#endif
378cc40b 2097#include "regexp.h"
79072805 2098#include "sv.h"
378cc40b 2099#include "util.h"
8d063cd8 2100#include "form.h"
79072805
LW		 2101#include "gv.h"
2102#include "cv.h"
abdd5c84 2103#include "opnames.h"
79072805
LW		 2104#include "op.h"
2105#include "cop.h"
2106#include "av.h"
2107#include "hv.h"
2108#include "mg.h"
2109#include "scope.h"
4438c4b7 2110#include "warnings.h"
a0ed51b3 2111#include "utf8.h"
cd1ee231 2112#include "sharedsv.h"
8d063cd8 2113
7fae4e64
GS		 2114/* Current curly descriptor */
2115typedef struct curcur CURCUR;
2116struct curcur {
2117 int parenfloor; /* how far back to strip paren data */
2118 int cur; /* how many instances of scan we've matched */
2119 int min; /* the minimal number of scans to match */
2120 int max; /* the maximal number of scans to match */
2121 int minmod; /* whether to work our way up or down */
2122 regnode * scan; /* the thing to match */
2123 regnode * next; /* what has to match after it */
2124 char * lastloc; /* where we started matching this scan */
2125 CURCUR * oldcc; /* current curly before we started this one */
2126};
2127
2128typedef struct _sublex_info SUBLEXINFO;
2129struct _sublex_info {
2130 I32 super_state; /* lexer state to save */
2131 I32 sub_inwhat; /* "lex_inwhat" to use */
2132 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2133 char *super_bufptr; /* PL_bufptr that was */
2134 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2135};
2136
455ece5e 2137typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2138
2c2d71f5 2139struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2140struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2141
2142typedef I32 CHECKPOINT;
76e3520e 2143
5f7fde29
GS		 2144struct ptr_tbl_ent {
2145 struct ptr_tbl_ent* next;
2146 void* oldval;
2147 void* newval;
d18c6117
GS		 2148};
2149
5f7fde29
GS		 2150struct ptr_tbl {
2151 struct ptr_tbl_ent** tbl_ary;
2152 UV tbl_max;
2153 UV tbl_items;
d18c6117
GS		 2154};
2155
450a55e4 2156#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2157# define I286
2158#endif
2159
fe14fcc3
LW		 2160#if defined(htonl) && !defined(HAS_HTONL)
2161#define HAS_HTONL
ae986130 2162#endif
fe14fcc3
LW		 2163#if defined(htons) && !defined(HAS_HTONS)
2164#define HAS_HTONS
ae986130 2165#endif
fe14fcc3
LW		 2166#if defined(ntohl) && !defined(HAS_NTOHL)
2167#define HAS_NTOHL
ae986130 2168#endif
fe14fcc3
LW		 2169#if defined(ntohs) && !defined(HAS_NTOHS)
2170#define HAS_NTOHS
ae986130 2171#endif
fe14fcc3 2172#ifndef HAS_HTONL
d9d8d8de 2173#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2174#define HAS_HTONS
2175#define HAS_HTONL
2176#define HAS_NTOHS
2177#define HAS_NTOHL
a687059c
LW		 2178#define MYSWAP
2179#define htons my_swap
2180#define htonl my_htonl
2181#define ntohs my_swap
2182#define ntohl my_ntohl
2183#endif
2184#else
d9d8d8de 2185#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2186#undef HAS_HTONS
2187#undef HAS_HTONL
2188#undef HAS_NTOHS
2189#undef HAS_NTOHL
a687059c
LW		 2190#endif
2191#endif
2192
988174c1
LW		 2193/*
2194 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2195 * -DWS
2196 */
2197#if BYTEORDER != 0x1234
2198# define HAS_VTOHL
2199# define HAS_VTOHS
2200# define HAS_HTOVL
2201# define HAS_HTOVS
c67712b2 2202# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2203# define vtohl(x) ((((x)&0xFF)<<24) \
2204 +(((x)>>24)&0xFF) \
2205 +(((x)&0x0000FF00)<<8) \
2206 +(((x)&0x00FF0000)>>8) )
2207# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2208# define htovl(x) vtohl(x)
2209# define htovs(x) vtohs(x)
2210# endif
2211 /* otherwise default to functions in util.c */
2212#endif
2213
3bb7c1b4
JH		 2214/* *MAX Plus 1. A floating point value.
2215 Hopefully expressed in a way that dodgy floating point can't mess up.
2216 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2217 is added to it
2218 May find that some broken compiler will want the value cast to I32.
2219 [after the shift, as signed >> may not be as secure as unsigned >>]
2220*/
2221#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2222#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2223/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2224 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2225 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2226*/
2227#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2228
3bb7c1b4
JH		 2229#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2230#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2231#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2232
2233/* This may look like unnecessary jumping through hoops, but converting
2234 out of range floating point values to integers *is* undefined behaviour,
2235 and it is starting to bite.
2236*/
2237#ifndef CAST_INLINE
65202027 2238#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2239#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2240#define I_V(what) (cast_iv((NV)(what)))
2241#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2242#else
2243#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2244 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2245 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2246#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2247 : ((n) < U32_MAX_P1 ? (U32) (n) \
2248 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2249#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2250 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2251 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2252#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2253 : ((n) < UV_MAX_P1 ? (UV) (n) \
2254 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2255#endif
2256
2257#define U_S(what) ((U16)U_32(what))
2258#define U_I(what) ((unsigned int)U_32(what))
2259#define U_L(what) U_32(what)
ed6116ce 2260
2d4389e4
JH		 2261/* These do not care about the fractional part, only about the range. */
2262#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2263#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2264
25da4f38
IZ		 2265/* Used with UV/IV arguments: */
2266 /* XXXX: need to speed it up */
2267#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2268#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2269
352d5a3a
LW		 2270#ifndef MAXSYSFD
2271# define MAXSYSFD 2
2272#endif
ee0007ab 2273
79072805 2274#ifndef __cplusplus
e1caacb4 2275#ifndef UNDER_CE
20ce7b12
GS		 2276Uid_t getuid (void);
2277Uid_t geteuid (void);
2278Gid_t getgid (void);
2279Gid_t getegid (void);
79072805 2280#endif
e1caacb4 2281#endif
8d063cd8 2282
0c30d9ec 2283#ifndef Perl_debug_log
bf49b057
GS		 2284# define Perl_debug_log PerlIO_stderr()
2285#endif
2286
2287#ifndef Perl_error_log
2288# define Perl_error_log (PL_stderrgv \
01bb7c6d 2289 && GvIOp(PL_stderrgv) \
42de951c 2290 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2291 ? IoOFP(GvIOp(PL_stderrgv)) \
2292 : PerlIO_stderr())
0c30d9ec 2293#endif
3967c732 2294
aea4f609
DM		 2295
2296#define DEBUG_p_FLAG 0x00000001 /* 1 */
2297#define DEBUG_s_FLAG 0x00000002 /* 2 */
2298#define DEBUG_l_FLAG 0x00000004 /* 4 */
2299#define DEBUG_t_FLAG 0x00000008 /* 8 */
2300#define DEBUG_o_FLAG 0x00000010 /* 16 */
2301#define DEBUG_c_FLAG 0x00000020 /* 32 */
2302#define DEBUG_P_FLAG 0x00000040 /* 64 */
2303#define DEBUG_m_FLAG 0x00000080 /* 128 */
2304#define DEBUG_f_FLAG 0x00000100 /* 256 */
2305#define DEBUG_r_FLAG 0x00000200 /* 512 */
2306#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2307#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2308#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2309#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2310#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2311#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2312#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2313#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2314#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2315#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2316
2317#define DEBUG_DB_RECURSE_FLAG 0x40000000
2318#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2319
2320
3967c732 2321#ifdef DEBUGGING
aea4f609
DM		 2322
2323# undef YYDEBUG
2324# define YYDEBUG 1
2325
2326# define DEBUG_p_TEST (PL_debug & DEBUG_p_FLAG)
2327# define DEBUG_s_TEST (PL_debug & DEBUG_s_FLAG)
2328# define DEBUG_l_TEST (PL_debug & DEBUG_l_FLAG)
2329# define DEBUG_t_TEST (PL_debug & DEBUG_t_FLAG)
2330# define DEBUG_o_TEST (PL_debug & DEBUG_o_FLAG)
2331# define DEBUG_c_TEST (PL_debug & DEBUG_c_FLAG)
2332# define DEBUG_P_TEST (PL_debug & DEBUG_P_FLAG)
2333# define DEBUG_m_TEST (PL_debug & DEBUG_m_FLAG)
2334# define DEBUG_f_TEST (PL_debug & DEBUG_f_FLAG)
2335# define DEBUG_r_TEST (PL_debug & DEBUG_r_FLAG)
2336# define DEBUG_x_TEST (PL_debug & DEBUG_x_FLAG)
2337# define DEBUG_u_TEST (PL_debug & DEBUG_u_FLAG)
2338# define DEBUG_L_TEST (PL_debug & DEBUG_L_FLAG)
2339# define DEBUG_H_TEST (PL_debug & DEBUG_H_FLAG)
2340# define DEBUG_X_TEST (PL_debug & DEBUG_X_FLAG)
2341# define DEBUG_D_TEST (PL_debug & DEBUG_D_FLAG)
2342# define DEBUG_S_TEST (PL_debug & DEBUG_S_FLAG)
2343# define DEBUG_T_TEST (PL_debug & DEBUG_T_FLAG)
04932ac8 2344# define DEBUG_R_TEST (PL_debug & DEBUG_R_FLAG)
aea4f609
DM		 2345
2346# define DEB(a) a
2347# define DEBUG(a) if (PL_debug) a
2348# define DEBUG_p(a) if (DEBUG_p_TEST) a
2349# define DEBUG_s(a) if (DEBUG_s_TEST) a
2350# define DEBUG_l(a) if (DEBUG_l_TEST) a
2351# define DEBUG_t(a) if (DEBUG_t_TEST) a
2352# define DEBUG_o(a) if (DEBUG_o_TEST) a
2353# define DEBUG_c(a) if (DEBUG_c_TEST) a
2354# define DEBUG_P(a) if (DEBUG_P_TEST) a
2355
969058bb
VK		 2356 /* Temporarily turn off memory debugging in case the a
2357 * does memory allocation, either directly or indirectly. */
acfe0abc 2358# define DEBUG_m(a) \
0b250b9e 2359 STMT_START { \
aea4f609 2360 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2361 } STMT_END
aea4f609 2362
5f80b19c
AMS		 2363# define DEBUG__(t, a) \
2364 STMT_START { \
2365 if (t) STMT_START {a;} STMT_END; \
2366 } STMT_END
2367
2368# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2369# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2370# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2371# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2372# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2373# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2374# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2375# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2376
4d1ff10f 2377# ifdef USE_5005THREADS
5f80b19c 2378# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2379# else
2380# define DEBUG_S(a)
2381# endif
aea4f609 2382
5f80b19c
AMS		 2383# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2384# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2385
2386#else /* DEBUGGING */
2387
2388# define DEBUG_p_TEST (0)
2389# define DEBUG_s_TEST (0)
2390# define DEBUG_l_TEST (0)
2391# define DEBUG_t_TEST (0)
2392# define DEBUG_o_TEST (0)
2393# define DEBUG_c_TEST (0)
2394# define DEBUG_P_TEST (0)
2395# define DEBUG_m_TEST (0)
2396# define DEBUG_f_TEST (0)
2397# define DEBUG_r_TEST (0)
2398# define DEBUG_x_TEST (0)
2399# define DEBUG_u_TEST (0)
2400# define DEBUG_L_TEST (0)
2401# define DEBUG_H_TEST (0)
2402# define DEBUG_X_TEST (0)
2403# define DEBUG_D_TEST (0)
2404# define DEBUG_S_TEST (0)
2405# define DEBUG_T_TEST (0)
04932ac8 2406# define DEBUG_R_TEST (0)
aea4f609
DM		 2407
2408# define DEB(a)
2409# define DEBUG(a)
2410# define DEBUG_p(a)
2411# define DEBUG_s(a)
2412# define DEBUG_l(a)
2413# define DEBUG_t(a)
2414# define DEBUG_o(a)
2415# define DEBUG_c(a)
2416# define DEBUG_P(a)
2417# define DEBUG_m(a)
2418# define DEBUG_f(a)
2419# define DEBUG_r(a)
2420# define DEBUG_x(a)
2421# define DEBUG_u(a)
2422# define DEBUG_L(a)
2423# define DEBUG_H(a)
2424# define DEBUG_X(a)
2425# define DEBUG_D(a)
2426# define DEBUG_S(a)
2427# define DEBUG_T(a)
04932ac8 2428# define DEBUG_R(a)
aea4f609
DM		 2429#endif /* DEBUGGING */
2430
2431
14befaf4
DM		 2432/* These constants should be used in preference to to raw characters
2433 * when using magic. Note that some perl guts still assume
2434 * certain character properties of these constants, namely that
2435 * isUPPER() and toLOWER() may do useful mappings.
2436 *
2437 * Update the magic_names table in dump.c when adding/amending these
2438 */
2439
2440#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2441#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2442#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2443#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2444#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2445#define PERL_MAGIC_regdata 'D' /* Regex match position data
2446 (@+ and @- vars) */
2447#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2448#define PERL_MAGIC_env 'E' /* %ENV hash */
2449#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2450#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2451#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2452#define PERL_MAGIC_isa 'I' /* @ISA array */
2453#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2454#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2455#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2456#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2457#define PERL_MAGIC_mutex 'm' /* ??? */
2458#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2459#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2460#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2461#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2462#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2463#define PERL_MAGIC_sig 'S' /* %SIG hash */
2464#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2465#define PERL_MAGIC_taint 't' /* Taintedness */
2466#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2467#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2468#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2469#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2470 smart parameter vivification */
2471#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2472#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2473#define PERL_MAGIC_pos '.' /* pos() lvalue */
2474#define PERL_MAGIC_backref '<' /* ??? */
2475#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2476
2477
fe14fcc3 2478#define YYMAXDEPTH 300
8d063cd8 2479
a6e633de 2480#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW		 2481#define assert(what) DEB( { \
2482 if (!(what)) { \
cea2e8a9 2483 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2484 __FILE__, __LINE__); \
cea2e8a9 2485 PerlProc_exit(1); \
79072805 2486 }})
a6e633de 2487#endif
8d063cd8 2488
450a55e4 2489struct ufuncs {
24f81a43
DM		 2490 I32 (*uf_val)(pTHX_ IV, SV*);
2491 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2492 IV uf_index;
450a55e4
LW		 2493};
2494
14befaf4 2495/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2496 * XS code wanting to be backward compatible can do something
2497 * like the following:
c745e42c 2498
24f81a43 2499#ifndef PERL_MG_UFUNC
24f81a43
DM		 2500#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2501#endif
2502
2503static PERL_MG_UFUNC(foo_get, index, val)
2504{
2505 sv_setsv(val, ...);
2506 return TRUE;
2507}
2508
2509-- Doug MacEachern
2510
2511*/
2512
fc9c74e6 2513#ifndef PERL_MG_UFUNC
24f81a43 2514#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2515#endif
24f81a43 2516
fe14fcc3 2517/* Fix these up for __STDC__ */
68dc0745 2518#ifndef DONT_DECLARE_STD
20ce7b12 2519char *mktemp (char*);
37bd1396 2520#ifndef atof
20ce7b12 2521double atof (const char*);
a0d0e21e 2522#endif
37bd1396 2523#endif
79072805 2524
352d5a3a 2525#ifndef STANDARD_C
fe14fcc3 2526/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2527Time_t time();
8d063cd8 2528struct tm *gmtime(), *localtime();
092bebab 2529#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2530char *(strchr)(), *(strrchr)();
2531char *(strcpy)(), *(strcat)();
2532#else
93a17b20 2533char *strchr(), *strrchr();
378cc40b 2534char *strcpy(), *strcat();
9d116dd7 2535#endif
352d5a3a 2536#endif /* ! STANDARD_C */
8d063cd8 2537
79072805
LW		 2538
2539#ifdef I_MATH
2540# include <math.h>
2541#else
32f822de 2542START_EXTERN_C
20ce7b12
GS		 2543 double exp (double);
2544 double log (double);
2545 double log10 (double);
2546 double sqrt (double);
2547 double frexp (double,int*);
2548 double ldexp (double,int);
2549 double modf (double,double*);
2550 double sin (double);
2551 double cos (double);
2552 double atan2 (double,double);
2553 double pow (double,double);
32f822de 2554END_EXTERN_C
79072805
LW		 2555#endif
2556
aa8b85de
JH		 2557#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2558# define NV_INF LDBL_INFINITY
2559#endif
2560#if !defined(NV_INF) && defined(DBL_INFINITY)
2561# define NV_INF (NV)DBL_INFINITY
2562#endif
2563#if !defined(NV_INF) && defined(INFINITY)
2564# define NV_INF (NV)INFINITY
2565#endif
2566#if !defined(NV_INF) && defined(INF)
2567# define NV_INF (NV)INF
2568#endif
2569#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2570# define NV_INF (NV)HUGE_VALL
2571#endif
2572#if !defined(NV_INF) && defined(HUGE_VAL)
2573# define NV_INF (NV)HUGE_VAL
2574#endif
2575
2576#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2577# if !defined(NV_NAN) && defined(LDBL_NAN)
2578# define NV_NAN LDBL_NAN
2579# endif
2580# if !defined(NV_NAN) && defined(LDBL_QNAN)
2581# define NV_NAN LDBL_QNAN
2582# endif
2583# if !defined(NV_NAN) && defined(LDBL_SNAN)
2584# define NV_NAN LDBL_SNAN
2585# endif
2586#endif
2587#if !defined(NV_NAN) && defined(DBL_NAN)
2588# define NV_NAN (NV)DBL_NAN
2589#endif
2590#if !defined(NV_NAN) && defined(DBL_QNAN)
2591# define NV_NAN (NV)DBL_QNAN
2592#endif
2593#if !defined(NV_NAN) && defined(DBL_SNAN)
2594# define NV_NAN (NV)DBL_SNAN
2595#endif
2596#if !defined(NV_NAN) && defined(QNAN)
2597# define NV_NAN (NV)QNAN
2598#endif
2599#if !defined(NV_NAN) && defined(SNAN)
2600# define NV_NAN (NV)SNAN
2601#endif
2602#if !defined(NV_NAN) && defined(NAN)
2603# define NV_NAN (NV)NAN
2604#endif
2605
a0d0e21e 2606#ifndef __cplusplus
8f1f23e8 2607# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2608char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2609# else
fd8cd3a3 2610# if !defined(WIN32) && !defined(VMS)
20ce7b12 2611char *crypt (const char*, const char*);
5014db98 2612# endif /* !WIN32 */
8f1f23e8 2613# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2614# ifndef DONT_DECLARE_STD
2615# ifndef getenv
20ce7b12 2616char *getenv (const char*);
26618a56 2617# endif /* !getenv */
28ca6303 2618# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2619# ifdef _FILE_OFFSET_BITS
28ca6303 2620# if _FILE_OFFSET_BITS == 64
20ce7b12 2621Off_t lseek (int,Off_t,int);
0fc67700
JH		 2622# endif
2623# endif
bf0c440f 2624# endif
26618a56 2625# endif /* !DONT_DECLARE_STD */
20ce7b12 2626char *getlogin (void);
26618a56 2627#endif /* !__cplusplus */
79072805 2628
16d20bd9 2629#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2630#define UNLINK unlnk
20ce7b12 2631I32 unlnk (char*);
8d063cd8 2632#else
80252599 2633#define UNLINK PerlLIO_unlink
8d063cd8 2634#endif
a687059c 2635
fa0a29af
JH		 2636/* some versions of glibc are missing the setresuid() proto */
2637#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2638int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2639#endif
fa0a29af
JH		 2640/* some versions of glibc are missing the setresgid() proto */
2641#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2642int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2643#endif
2644
fe14fcc3 2645#ifndef HAS_SETREUID
85e6fe83
LW		 2646# ifdef HAS_SETRESUID
2647# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2648# define HAS_SETREUID
2649# endif
a687059c 2650#endif
fe14fcc3 2651#ifndef HAS_SETREGID
85e6fe83
LW		 2652# ifdef HAS_SETRESGID
2653# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2654# define HAS_SETREGID
2655# endif
a687059c 2656#endif
ee0007ab 2657
d543acb6 2658/* Sighandler_t defined in iperlsys.h */
ff68c719 2659
2660#ifdef HAS_SIGACTION
2661typedef struct sigaction Sigsave_t;
2662#else
2663typedef Sighandler_t Sigsave_t;
2664#endif
2665
ee0007ab
LW		 2666#define SCAN_DEF 0
2667#define SCAN_TR 1
2668#define SCAN_REPL 2
79072805
LW		 2669
2670#ifdef DEBUGGING
4633a7c4 2671# ifndef register
a0d0e21e
LW		 2672# define register
2673# endif
2674# define PAD_SV(po) pad_sv(po)
cea2e8a9 2675# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2676#else
6b88bc9c 2677# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2678# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2679#endif
2680
18f739ee 2681#ifdef MYMALLOC
772fe5b3 2682# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2683# define MALLOC_INIT \
2684 STMT_START { \
2685 PL_malloc_mutex = NULL; \
2686 MUTEX_INIT(&PL_malloc_mutex); \
2687 } STMT_END
2688# define MALLOC_TERM \
2689 STMT_START { \
2690 perl_mutex tmp = PL_malloc_mutex; \
2691 PL_malloc_mutex = NULL; \
2692 MUTEX_DESTROY(&tmp); \
2693 } STMT_END
2694# else
2695# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2696# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2697# endif
18f739ee
IZ		 2698#else
2699# define MALLOC_INIT
2700# define MALLOC_TERM
2701#endif
2702
b6d9d515 2703
0cb96387
GS		 2704typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2705typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2706
940cb80d 2707/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2708#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2709
8f1f23e8
W		 2710/* NeXT has problems with crt0.o globals */
2711#if defined(__DYNAMIC__) && \
2712 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2713# if defined(NeXT) || defined(__NeXT)
2714# include <mach-o/dyld.h>
2715# define environ (*environ_pointer)
0c30d9ec 2716EXT char *** environ_pointer;
8f1f23e8 2717# else
82cabb9e 2718# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2719# include <crt_externs.h> /* for the env array */
2720# define environ (*_NSGetEnviron())
2721# endif
0c30d9ec 2722# endif
8f1f23e8
W		 2723#else
2724 /* VMS and some other platforms don't use the environ array */
13b6e58c 2725# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2726# if !defined(DONT_DECLARE_STD) || \
2727 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2728 defined(__sgi) || \
d460ef45 2729 defined(__DGUX)
8f1f23e8 2730extern char ** environ; /* environment variables supplied via exec */
a6c40364 2731# endif
8f1f23e8
W		 2732# endif
2733#endif
79072805 2734
73c4f7a1
GS		 2735START_EXTERN_C
2736
79072805 2737/* handy constants */
22c35a8c 2738EXTCONST char PL_warn_uninit[]
b89fed5f 2739 INIT("Use of uninitialized value%s%s");
22c35a8c 2740EXTCONST char PL_warn_nosemi[]
463ee0b2 2741 INIT("Semicolon seems to be missing");
22c35a8c 2742EXTCONST char PL_warn_reserved[]
463ee0b2 2743 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2744EXTCONST char PL_warn_nl[]
93a17b20 2745 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2746EXTCONST char PL_no_wrongref[]
a0d0e21e 2747 INIT("Can't use %s ref as %s ref");
22c35a8c 2748EXTCONST char PL_no_symref[]
748a9306 2749 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2750EXTCONST char PL_no_usym[]
8990e307 2751 INIT("Can't use an undefined value as %s reference");
22c35a8c 2752EXTCONST char PL_no_aelem[]
93a17b20 2753 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2754EXTCONST char PL_no_helem[]
93a17b20 2755 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2756EXTCONST char PL_no_modify[]
93a17b20 2757 INIT("Modification of a read-only value attempted");
22c35a8c 2758EXTCONST char PL_no_mem[]
93a17b20 2759 INIT("Out of memory!\n");
22c35a8c 2760EXTCONST char PL_no_security[]
463ee0b2 2761 INIT("Insecure dependency in %s%s");
22c35a8c 2762EXTCONST char PL_no_sock_func[]
93a17b20 2763 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2764EXTCONST char PL_no_dir_func[]
93a17b20 2765 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2766EXTCONST char PL_no_func[]
93a17b20 2767 INIT("The %s function is unimplemented");
22c35a8c 2768EXTCONST char PL_no_myglob[]
748a9306 2769 INIT("\"my\" variable %s can't be in a package");
93a17b20 2770
7575fa06 2771EXTCONST char PL_uuemap[65]
80252599
GS		 2772 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2773
2774
79072805 2775#ifdef DOINIT
22c35a8c
GS		 2776EXT char *PL_sig_name[] = { SIG_NAME };
2777EXT int PL_sig_num[] = { SIG_NUM };
79072805 2778#else
22c35a8c
GS		 2779EXT char *PL_sig_name[];
2780EXT int PL_sig_num[];
79072805
LW		 2781#endif
2782
3bd709b1 2783/* fast conversion and case folding tables */
bbce6d69 2784
79072805 2785#ifdef DOINIT
9d116dd7 2786#ifdef EBCDIC
22c35a8c 2787EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2788 0, 1, 2, 3, 4, 5, 6, 7,
2789 8, 9, 10, 11, 12, 13, 14, 15,
2790 16, 17, 18, 19, 20, 21, 22, 23,
2791 24, 25, 26, 27, 28, 29, 30, 31,
2792 32, 33, 34, 35, 36, 37, 38, 39,
2793 40, 41, 42, 43, 44, 45, 46, 47,
2794 48, 49, 50, 51, 52, 53, 54, 55,
2795 56, 57, 58, 59, 60, 61, 62, 63,
2796 64, 65, 66, 67, 68, 69, 70, 71,
2797 72, 73, 74, 75, 76, 77, 78, 79,
2798 80, 81, 82, 83, 84, 85, 86, 87,
2799 88, 89, 90, 91, 92, 93, 94, 95,
2800 96, 97, 98, 99, 100, 101, 102, 103,
2801 104, 105, 106, 107, 108, 109, 110, 111,
2802 112, 113, 114, 115, 116, 117, 118, 119,
2803 120, 121, 122, 123, 124, 125, 126, 127,
2804 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2805 'H', 'I', 138, 139, 140, 141, 142, 143,
2806 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2807 'Q', 'R', 154, 155, 156, 157, 158, 159,
2808 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2809 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2810 176, 177, 178, 179, 180, 181, 182, 183,
2811 184, 185, 186, 187, 188, 189, 190, 191,
2812 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2813 'h', 'i', 202, 203, 204, 205, 206, 207,
2814 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2815 'q', 'r', 218, 219, 220, 221, 222, 223,
2816 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2817 'y', 'z', 234, 235, 236, 237, 238, 239,
2818 240, 241, 242, 243, 244, 245, 246, 247,
2819 248, 249, 250, 251, 252, 253, 254, 255
2820};
2821#else /* ascii rather than ebcdic */
22c35a8c 2822EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2823 0, 1, 2, 3, 4, 5, 6, 7,
2824 8, 9, 10, 11, 12, 13, 14, 15,
2825 16, 17, 18, 19, 20, 21, 22, 23,
2826 24, 25, 26, 27, 28, 29, 30, 31,
2827 32, 33, 34, 35, 36, 37, 38, 39,
2828 40, 41, 42, 43, 44, 45, 46, 47,
2829 48, 49, 50, 51, 52, 53, 54, 55,
2830 56, 57, 58, 59, 60, 61, 62, 63,
2831 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2832 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2833 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2834 'x', 'y', 'z', 91, 92, 93, 94, 95,
2835 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2836 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2837 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2838 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2839 128, 129, 130, 131, 132, 133, 134, 135,
2840 136, 137, 138, 139, 140, 141, 142, 143,
2841 144, 145, 146, 147, 148, 149, 150, 151,
2842 152, 153, 154, 155, 156, 157, 158, 159,
2843 160, 161, 162, 163, 164, 165, 166, 167,
2844 168, 169, 170, 171, 172, 173, 174, 175,
2845 176, 177, 178, 179, 180, 181, 182, 183,
2846 184, 185, 186, 187, 188, 189, 190, 191,
2847 192, 193, 194, 195, 196, 197, 198, 199,
2848 200, 201, 202, 203, 204, 205, 206, 207,
2849 208, 209, 210, 211, 212, 213, 214, 215,
2850 216, 217, 218, 219, 220, 221, 222, 223,
2851 224, 225, 226, 227, 228, 229, 230, 231,
2852 232, 233, 234, 235, 236, 237, 238, 239,
2853 240, 241, 242, 243, 244, 245, 246, 247,
2854 248, 249, 250, 251, 252, 253, 254, 255
2855};
9d116dd7 2856#endif /* !EBCDIC */
79072805 2857#else
22c35a8c 2858EXTCONST unsigned char PL_fold[];
79072805
LW		 2859#endif
2860
2861#ifdef DOINIT
22c35a8c 2862EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2863 0, 1, 2, 3, 4, 5, 6, 7,
2864 8, 9, 10, 11, 12, 13, 14, 15,
2865 16, 17, 18, 19, 20, 21, 22, 23,
2866 24, 25, 26, 27, 28, 29, 30, 31,
2867 32, 33, 34, 35, 36, 37, 38, 39,
2868 40, 41, 42, 43, 44, 45, 46, 47,
2869 48, 49, 50, 51, 52, 53, 54, 55,
2870 56, 57, 58, 59, 60, 61, 62, 63,
2871 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2872 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2873 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2874 'x', 'y', 'z', 91, 92, 93, 94, 95,
2875 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2876 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2877 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2878 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2879 128, 129, 130, 131, 132, 133, 134, 135,
2880 136, 137, 138, 139, 140, 141, 142, 143,
2881 144, 145, 146, 147, 148, 149, 150, 151,
2882 152, 153, 154, 155, 156, 157, 158, 159,
2883 160, 161, 162, 163, 164, 165, 166, 167,
2884 168, 169, 170, 171, 172, 173, 174, 175,
2885 176, 177, 178, 179, 180, 181, 182, 183,
2886 184, 185, 186, 187, 188, 189, 190, 191,
2887 192, 193, 194, 195, 196, 197, 198, 199,
2888 200, 201, 202, 203, 204, 205, 206, 207,
2889 208, 209, 210, 211, 212, 213, 214, 215,
2890 216, 217, 218, 219, 220, 221, 222, 223,
2891 224, 225, 226, 227, 228, 229, 230, 231,
2892 232, 233, 234, 235, 236, 237, 238, 239,
2893 240, 241, 242, 243, 244, 245, 246, 247,
2894 248, 249, 250, 251, 252, 253, 254, 255
2895};
2896#else
22c35a8c 2897EXT unsigned char PL_fold_locale[];
79072805
LW		 2898#endif
2899
2900#ifdef DOINIT
9d116dd7 2901#ifdef EBCDIC
22c35a8c 2902EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2903 1, 2, 84, 151, 154, 155, 156, 157,
2904 165, 246, 250, 3, 158, 7, 18, 29,
2905 40, 51, 62, 73, 85, 96, 107, 118,
2906 129, 140, 147, 148, 149, 150, 152, 153,
2907 255, 6, 8, 9, 10, 11, 12, 13,
2908 14, 15, 24, 25, 26, 27, 28, 226,
2909 29, 30, 31, 32, 33, 43, 44, 45,
2910 46, 47, 48, 49, 50, 76, 77, 78,
2911 79, 80, 81, 82, 83, 84, 85, 86,
2912 87, 94, 95, 234, 181, 233, 187, 190,
2913 180, 96, 97, 98, 99, 100, 101, 102,
2914 104, 112, 182, 174, 236, 232, 229, 103,
2915 228, 226, 114, 115, 116, 117, 118, 119,
2916 120, 121, 122, 235, 176, 230, 194, 162,
2917 130, 131, 132, 133, 134, 135, 136, 137,
2918 138, 139, 201, 205, 163, 217, 220, 224,
2919 5, 248, 227, 244, 242, 255, 241, 231,
2920 240, 253, 16, 197, 19, 20, 21, 187,
2921 23, 169, 210, 245, 237, 249, 247, 239,
2922 168, 252, 34, 196, 36, 37, 38, 39,
2923 41, 42, 251, 254, 238, 223, 221, 213,
2924 225, 177, 52, 53, 54, 55, 56, 57,
2925 58, 59, 60, 61, 63, 64, 65, 66,
2926 67, 68, 69, 70, 71, 72, 74, 75,
2927 205, 208, 186, 202, 200, 218, 198, 179,
2928 178, 214, 88, 89, 90, 91, 92, 93,
2929 217, 166, 170, 207, 199, 209, 206, 204,
2930 160, 212, 105, 106, 108, 109, 110, 111,
2931 203, 113, 216, 215, 192, 175, 193, 243,
2932 172, 161, 123, 124, 125, 126, 127, 128,
2933 222, 219, 211, 195, 188, 193, 185, 184,
2934 191, 183, 141, 142, 143, 144, 145, 146
2935};
2936#else /* ascii rather than ebcdic */
22c35a8c 2937EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 2938 1, 2, 84, 151, 154, 155, 156, 157,
2939 165, 246, 250, 3, 158, 7, 18, 29,
2940 40, 51, 62, 73, 85, 96, 107, 118,
2941 129, 140, 147, 148, 149, 150, 152, 153,
2942 255, 182, 224, 205, 174, 176, 180, 217,
2943 233, 232, 236, 187, 235, 228, 234, 226,
2944 222, 219, 211, 195, 188, 193, 185, 184,
2945 191, 183, 201, 229, 181, 220, 194, 162,
2946 163, 208, 186, 202, 200, 218, 198, 179,
2947 178, 214, 166, 170, 207, 199, 209, 206,
2948 204, 160, 212, 216, 215, 192, 175, 173,
2949 243, 172, 161, 190, 203, 189, 164, 230,
2950 167, 248, 227, 244, 242, 255, 241, 231,
2951 240, 253, 169, 210, 245, 237, 249, 247,
2952 239, 168, 252, 251, 254, 238, 223, 221,
2953 213, 225, 177, 197, 171, 196, 159, 4,
2954 5, 6, 8, 9, 10, 11, 12, 13,
2955 14, 15, 16, 17, 19, 20, 21, 22,
2956 23, 24, 25, 26, 27, 28, 30, 31,
2957 32, 33, 34, 35, 36, 37, 38, 39,
2958 41, 42, 43, 44, 45, 46, 47, 48,
2959 49, 50, 52, 53, 54, 55, 56, 57,
2960 58, 59, 60, 61, 63, 64, 65, 66,
2961 67, 68, 69, 70, 71, 72, 74, 75,
2962 76, 77, 78, 79, 80, 81, 82, 83,
2963 86, 87, 88, 89, 90, 91, 92, 93,
2964 94, 95, 97, 98, 99, 100, 101, 102,
2965 103, 104, 105, 106, 108, 109, 110, 111,
2966 112, 113, 114, 115, 116, 117, 119, 120,
2967 121, 122, 123, 124, 125, 126, 127, 128,
2968 130, 131, 132, 133, 134, 135, 136, 137,
2969 138, 139, 141, 142, 143, 144, 145, 146
2970};
9d116dd7 2971#endif
79072805 2972#else
22c35a8c 2973EXTCONST unsigned char PL_freq[];
79072805
LW		 2974#endif
2975
8990e307
LW		 2976#ifdef DEBUGGING
2977#ifdef DOINIT
22c35a8c 2978EXTCONST char* PL_block_type[] = {
8990e307
LW		 2979 "NULL",
2980 "SUB",
2981 "EVAL",
2982 "LOOP",
2983 "SUBST",
2984 "BLOCK",
2985};
2986#else
22c35a8c 2987EXTCONST char* PL_block_type[];
8990e307
LW		 2988#endif
2989#endif
2990
73c4f7a1
GS		 2991END_EXTERN_C
2992
79072805
LW		 2993/*****************************************************************************/
2994/* This lexer/parser stuff is currently global since yacc is hard to reenter */
2995/*****************************************************************************/
8990e307 2996/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 2997
a0d0e21e
LW		 2998#include "perly.h"
2999
fb73857a 3000#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3001
79072805
LW		 3002typedef enum {
3003 XOPERATOR,
3004 XTERM,
79072805 3005 XREF,
8990e307 3006 XSTATE,
a0d0e21e 3007 XBLOCK,
09bef843
SB		 3008 XATTRBLOCK,
3009 XATTRTERM,
a0d0e21e 3010 XTERMBLOCK
79072805
LW		 3011} expectation;
3012
dc9e4912
GS		 3013enum { /* pass one of these to get_vtbl */
3014 want_vtbl_sv,
3015 want_vtbl_env,
3016 want_vtbl_envelem,
3017 want_vtbl_sig,
3018 want_vtbl_sigelem,
3019 want_vtbl_pack,
3020 want_vtbl_packelem,
3021 want_vtbl_dbline,
3022 want_vtbl_isa,
3023 want_vtbl_isaelem,
3024 want_vtbl_arylen,
3025 want_vtbl_glob,
3026 want_vtbl_mglob,
3027 want_vtbl_nkeys,
3028 want_vtbl_taint,
3029 want_vtbl_substr,
3030 want_vtbl_vec,
3031 want_vtbl_pos,
3032 want_vtbl_bm,
3033 want_vtbl_fm,
3034 want_vtbl_uvar,
3035 want_vtbl_defelem,
3036 want_vtbl_regexp,
3037 want_vtbl_collxfrm,
3038 want_vtbl_amagic,
3039 want_vtbl_amagicelem,
4d1ff10f 3040#ifdef USE_5005THREADS
dc9e4912
GS		 3041 want_vtbl_mutex,
3042#endif
3043 want_vtbl_regdata,
810b8aa5
GS		 3044 want_vtbl_regdatum,
3045 want_vtbl_backref
dc9e4912
GS		 3046};
3047
85e6fe83
LW		 3048 /* Note: the lowest 8 bits are reserved for
3049 stuffing into op->op_private */
f3aa04c2 3050#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3051#define HINT_INTEGER 0x00000001
3052#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3053#define HINT_LOCALE 0x00000004
3054#define HINT_BYTES 0x00000008
393fec97 3055/* #define HINT_notused10 0x00000010 */
a0ed51b3 3056 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3057
3058#define HINT_BLOCK_SCOPE 0x00000100
3059#define HINT_STRICT_SUBS 0x00000200
3060#define HINT_STRICT_VARS 0x00000400
3061
b3ac6de7
IZ		 3062#define HINT_NEW_INTEGER 0x00001000
3063#define HINT_NEW_FLOAT 0x00002000
3064#define HINT_NEW_BINARY 0x00004000
3065#define HINT_NEW_STRING 0x00008000
3066#define HINT_NEW_RE 0x00010000
3067#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3068
b3eb6a9b 3069#define HINT_RE_TAINT 0x00100000
e4d48cc9 3070#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3071
5ff3f7a4 3072#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3073#define HINT_UTF8 0x00800000
5ff3f7a4 3074
8bfdd7d9 3075/* Various states of the input record separator SV (rs) */
d4cce5f1 3076#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3077#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3078#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3079#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3080
56953603 3081/* Enable variables which are pointers to functions */
a2efc822 3082typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3083typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3084typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3085 char* strend, char* strbeg, I32 minend,
3086 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3087typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3088 char *strpos, char *strend,
3089 U32 flags,
3090 struct re_scream_pos_data_s *d);
3091typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3092typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3093
c76ac1ee 3094typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3095typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3096typedef void (*SVFUNC_t) (pTHX_ SV*);
3097typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3098typedef void (*XSINIT_t) (pTHX);
3099typedef void (*ATEXIT_t) (pTHX_ void*);
3100typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3101
22239a37
NIS		 3102/* Set up PERLVAR macros for populating structs */
3103#define PERLVAR(var,type) type var;
51371543 3104#define PERLVARA(var,n,type) type var[n];
22239a37 3105#define PERLVARI(var,type,init) type var;
3fe35a81 3106#define PERLVARIC(var,type,init) type var;
22239a37 3107
58a50f62
GS		 3108/* Interpreter exitlist entry */
3109typedef struct exitlistentry {
acfe0abc 3110 void (*fn) (pTHX_ void*);
58a50f62
GS		 3111 void *ptr;
3112} PerlExitListEntry;
3113
22239a37
NIS		 3114#ifdef PERL_GLOBAL_STRUCT
3115struct perl_vars {
7766f137 3116# include "perlvars.h"
22239a37
NIS		 3117};
3118
7766f137 3119# ifdef PERL_CORE
533c011a
NIS		 3120EXT struct perl_vars PL_Vars;
3121EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3122# else /* PERL_CORE */
3123# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3124EXT
7766f137 3125# endif /* WIN32 */
533c011a 3126struct perl_vars *PL_VarsPtr;
7766f137
GS		 3127# define PL_Vars (*((PL_VarsPtr) \
3128 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3129# endif /* PERL_CORE */
22239a37
NIS		 3130#endif /* PERL_GLOBAL_STRUCT */
3131
acfe0abc 3132#if defined(MULTIPLICITY)
d460ef45 3133/* If we have multiple interpreters define a struct
d4cce5f1 3134 holding variables which must be per-interpreter
d460ef45 3135 If we don't have threads anything that would have
d4cce5f1
NIS		 3136 be per-thread is per-interpreter.
3137*/
3138
79072805 3139struct interpreter {
4d1ff10f 3140# ifndef USE_5005THREADS
7766f137
GS		 3141# include "thrdvar.h"
3142# endif
3143# include "intrpvar.h"
3144/*
3145 * The following is a buffer where new variables must
acfe0abc 3146 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3147 */
3148PERLVARA(object_compatibility,30, char)
49f531da 3149};
d4cce5f1 3150
79072805 3151#else
49f531da
NIS		 3152struct interpreter {
3153 char broiled;
3154};
acfe0abc 3155#endif /* MULTIPLICITY */
79072805 3156
4d1ff10f 3157#ifdef USE_5005THREADS
d4cce5f1
NIS		 3158/* If we have threads define a struct with all the variables
3159 * that have to be per-thread
49f531da 3160 */
8023c3ce 3161
79072805 3162
49f531da 3163struct perl_thread {
49f531da 3164#include "thrdvar.h"
79072805 3165};
d4cce5f1 3166
22fae026
TM		 3167typedef struct perl_thread *Thread;
3168
3169#else
3170typedef void *Thread;
22239a37
NIS		 3171#endif
3172
3173/* Done with PERLVAR macros for now ... */
d4cce5f1 3174#undef PERLVAR
51371543 3175#undef PERLVARA
d4cce5f1 3176#undef PERLVARI
3fe35a81 3177#undef PERLVARIC
79072805 3178
22239a37 3179#include "thread.h"
79072805 3180#include "pp.h"
864dbfa3
GS		 3181
3182#ifndef PERL_CALLCONV
3183# define PERL_CALLCONV
d460ef45 3184#endif
864dbfa3 3185
65f19062
GS		 3186#ifndef NEXT30_NO_ATTRIBUTE
3187# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3188# ifdef __attribute__ /* Avoid possible redefinition errors */
3189# undef __attribute__
3190# endif
3191# define __attribute__(attr)
3192# endif
3193#endif
3194
0cb96387
GS		 3195#undef PERL_CKDEF
3196#undef PERL_PPDEF
3197#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3198#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3199
7766f137 3200#include "proto.h"
864dbfa3 3201
0cb96387 3202/* this has structure inits, so it cannot be included before here */
acfe0abc 3203#include "opcode.h"
864dbfa3 3204
d4cce5f1
NIS		 3205/* The following must follow proto.h as #defines mess up syntax */
3206
22c35a8c
GS		 3207#if !defined(PERL_FOR_X2P)
3208# include "embedvar.h"
3209#endif
d4cce5f1 3210
d460ef45 3211/* Now include all the 'global' variables
d4cce5f1 3212 * If we don't have threads or multiple interpreters
d460ef45 3213 * these include variables that would have been their struct-s
d4cce5f1 3214 */
d460ef45 3215
533c011a 3216#define PERLVAR(var,type) EXT type PL_##var;
51371543 3217#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3218#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3219#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3220
acfe0abc 3221#if !defined(MULTIPLICITY)
7766f137 3222START_EXTERN_C
066ef5b5 3223# include "intrpvar.h"
4d1ff10f 3224# ifndef USE_5005THREADS
066ef5b5
GS		 3225# include "thrdvar.h"
3226# endif
7766f137 3227END_EXTERN_C
22239a37
NIS		 3228#endif
3229
acfe0abc 3230#if defined(WIN32)
22c35a8c 3231# include "embed.h"
acfe0abc 3232#endif
22239a37 3233
c5be433b
GS		 3234#ifndef PERL_GLOBAL_STRUCT
3235START_EXTERN_C
3236
3237# include "perlvars.h"
3238
3239END_EXTERN_C
3240#endif
3241
d4cce5f1 3242#undef PERLVAR
51371543 3243#undef PERLVARA
d4cce5f1 3244#undef PERLVARI
0f3f18a6 3245#undef PERLVARIC
79072805 3246
73c4f7a1
GS		 3247START_EXTERN_C
3248
79072805 3249#ifdef DOINIT
bbce6d69 3250
2b260de0
GS		 3251EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3252 MEMBER_TO_FPTR(Perl_magic_set),
3253 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3254 0, 0};
2b260de0
GS		 3255EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3256 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3257 0};
2b260de0
GS		 3258EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3259 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3260 0};
22c35a8c 3261EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3262#ifdef PERL_MICRO
3263EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3264#else
2b260de0
GS		 3265EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3266 MEMBER_TO_FPTR(Perl_magic_setsig),
3267 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3268 0};
64ca3a65 3269#endif
2b260de0 3270EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3271 0};
2b260de0
GS		 3272EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3273 MEMBER_TO_FPTR(Perl_magic_setpack),
3274 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3275 0};
2b260de0 3276EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3277 0, 0, 0};
2b260de0
GS		 3278EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3279 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3280 0};
2b260de0 3281EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3282 0, 0, 0};
2b260de0
GS		 3283EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3284 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3285 0, 0, 0};
2b260de0
GS		 3286EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3287 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3288 0, 0, 0};
2b260de0 3289EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3290 0, 0, 0};
2b260de0
GS		 3291EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3292 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3293 0, 0, 0};
2b260de0 3294EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3295 0, 0, 0};
2b260de0 3296EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3297 0, 0, 0};
2b260de0
GS		 3298EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3299 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3300 0, 0, 0};
2b260de0
GS		 3301EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3302 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3303 0, 0, 0};
2b260de0 3304EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3305 0, 0, 0};
2b260de0 3306EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3307 0, 0, 0};
2b260de0
GS		 3308EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3309 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3310 0, 0, 0};
4d1ff10f 3311#ifdef USE_5005THREADS
2b260de0 3312EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3313#endif /* USE_5005THREADS */
2b260de0 3314EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3315 0, 0, 0};
a0d0e21e 3316
2b260de0
GS		 3317EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3318EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3319EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3320 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3321
36477c24 3322#ifdef USE_LOCALE_COLLATE
22c35a8c 3323EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3324 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3325 0, 0, 0};
3326#endif
a0d0e21e 3327
2b260de0
GS		 3328EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3329 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3330EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3331 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3332
810b8aa5 3333EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3334 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3335
d460ef45
NIS		 3336EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3337 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3338
bbce6d69 3339#else /* !DOINIT */
3340
22c35a8c
GS		 3341EXT MGVTBL PL_vtbl_sv;
3342EXT MGVTBL PL_vtbl_env;
3343EXT MGVTBL PL_vtbl_envelem;
3344EXT MGVTBL PL_vtbl_sig;
3345EXT MGVTBL PL_vtbl_sigelem;
3346EXT MGVTBL PL_vtbl_pack;
3347EXT MGVTBL PL_vtbl_packelem;
3348EXT MGVTBL PL_vtbl_dbline;
3349EXT MGVTBL PL_vtbl_isa;
3350EXT MGVTBL PL_vtbl_isaelem;
3351EXT MGVTBL PL_vtbl_arylen;
3352EXT MGVTBL PL_vtbl_glob;
3353EXT MGVTBL PL_vtbl_mglob;
3354EXT MGVTBL PL_vtbl_nkeys;
3355EXT MGVTBL PL_vtbl_taint;
3356EXT MGVTBL PL_vtbl_substr;
3357EXT MGVTBL PL_vtbl_vec;
3358EXT MGVTBL PL_vtbl_pos;
3359EXT MGVTBL PL_vtbl_bm;
3360EXT MGVTBL PL_vtbl_fm;
3361EXT MGVTBL PL_vtbl_uvar;
d460ef45 3362EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3363
4d1ff10f 3364#ifdef USE_5005THREADS
22c35a8c 3365EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3366#endif /* USE_5005THREADS */
f93b4edd 3367
22c35a8c
GS		 3368EXT MGVTBL PL_vtbl_defelem;
3369EXT MGVTBL PL_vtbl_regexp;
3370EXT MGVTBL PL_vtbl_regdata;
3371EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3372
36477c24 3373#ifdef USE_LOCALE_COLLATE
22c35a8c 3374EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3375#endif
a0d0e21e 3376
22c35a8c
GS		 3377EXT MGVTBL PL_vtbl_amagic;
3378EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3379
810b8aa5
GS		 3380EXT MGVTBL PL_vtbl_backref;
3381
bbce6d69 3382#endif /* !DOINIT */
85e6fe83 3383
f5284f61
IZ		 3384enum {
3385 fallback_amg, abs_amg,
3386 bool__amg, nomethod_amg,
3387 string_amg, numer_amg,
3388 add_amg, add_ass_amg,
3389 subtr_amg, subtr_ass_amg,
3390 mult_amg, mult_ass_amg,
3391 div_amg, div_ass_amg,
3392 modulo_amg, modulo_ass_amg,
3393 pow_amg, pow_ass_amg,
3394 lshift_amg, lshift_ass_amg,
3395 rshift_amg, rshift_ass_amg,
3396 band_amg, band_ass_amg,
3397 bor_amg, bor_ass_amg,
3398 bxor_amg, bxor_ass_amg,
3399 lt_amg, le_amg,
3400 gt_amg, ge_amg,
3401 eq_amg, ne_amg,
3402 ncmp_amg, scmp_amg,
3403 slt_amg, sle_amg,
3404 sgt_amg, sge_amg,
3405 seq_amg, sne_amg,
3406 not_amg, compl_amg,
3407 inc_amg, dec_amg,
3408 atan2_amg, cos_amg,
3409 sin_amg, exp_amg,
3410 log_amg, sqrt_amg,
3411 repeat_amg, repeat_ass_amg,
3412 concat_amg, concat_ass_amg,
3413 copy_amg, neg_amg,
3414 to_sv_amg, to_av_amg,
3415 to_hv_amg, to_gv_amg,
d460ef45 3416 to_cv_amg, iter_amg,
f216259d
IZ		 3417 int_amg, DESTROY_amg,
3418 max_amg_code
64a0062a 3419 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3420};
3421
3422#define NofAMmeth max_amg_code
89ffc314 3423#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3424
a0d0e21e 3425#ifdef DOINIT
22c35a8c 3426EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3427 /* Names kept in the symbol table. fallback => "()", the rest has
3428 "(" prepended. The only other place in perl which knows about
3429 this convention is AMG_id2name (used for debugging output and
3430 'nomethod' only), the only other place which has it hardwired is
3431 overload.pm. */
3432 "()", "(abs", /* "fallback" should be the first. */
3433 "(bool", "(nomethod",
3434 "(\"\"", "(0+",
3435 "(+", "(+=",
3436 "(-", "(-=",
3437 "(*", "(*=",
3438 "(/", "(/=",
3439 "(%", "(%=",
3440 "(**", "(**=",
3441 "(<<", "(<<=",
3442 "(>>", "(>>=",
3443 "(&", "(&=",
3444 "(|", "(|=",
3445 "(^", "(^=",
3446 "(<", "(<=",
3447 "(>", "(>=",
3448 "(==", "(!=",
3449 "(<=>", "(cmp",
3450 "(lt", "(le",
3451 "(gt", "(ge",
3452 "(eq", "(ne",
3453 "(!", "(~",
3454 "(++", "(--",
3455 "(atan2", "(cos",
3456 "(sin", "(exp",
3457 "(log", "(sqrt",
3458 "(x", "(x=",
3459 "(.", "(.=",
3460 "(=", "(neg",
3461 "(${}", "(@{}",
3462 "(%{}", "(*{}",
3463 "(&{}", "(<>",
f216259d 3464 "(int", "DESTROY",
a0d0e21e
LW		 3465};
3466#else
22c35a8c 3467EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3468#endif /* def INITAMAGIC */
3469
73c4f7a1
GS		 3470END_EXTERN_C
3471
a6006777 3472struct am_table {
a0d0e21e
LW		 3473 long was_ok_sub;
3474 long was_ok_am;
a6006777 3475 U32 flags;
3476 CV* table[NofAMmeth];
a0d0e21e
LW		 3477 long fallback;
3478};
a6006777 3479struct am_table_short {
3480 long was_ok_sub;
3481 long was_ok_am;
3482 U32 flags;
3483};
a0d0e21e 3484typedef struct am_table AMT;
a6006777 3485typedef struct am_table_short AMTS;
a0d0e21e
LW		 3486
3487#define AMGfallNEVER 1
3488#define AMGfallNO 2
3489#define AMGfallYES 3
3490
a6006777 3491#define AMTf_AMAGIC 1
32251b26 3492#define AMTf_OVERLOADED 2
a6006777 3493#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3494#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3495#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3496#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3497#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3498#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3499
32251b26 3500#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3501
3502/*
3503 * some compilers like to redefine cos et alia as faster
3504 * (and less accurate?) versions called F_cos et cetera (Quidquid
3505 * latine dictum sit, altum viditur.) This trick collides with
3506 * the Perl overloading (amg). The following #defines fool both.
3507 */
3508
3509#ifdef _FASTMATH
3510# ifdef atan2
3511# define F_atan2_amg atan2_amg
3512# endif
3513# ifdef cos
3514# define F_cos_amg cos_amg
3515# endif
3516# ifdef exp
3517# define F_exp_amg exp_amg
3518# endif
3519# ifdef log
3520# define F_log_amg log_amg
3521# endif
3522# ifdef pow
3523# define F_pow_amg pow_amg
3524# endif
3525# ifdef sin
3526# define F_sin_amg sin_amg
3527# endif
3528# ifdef sqrt
3529# define F_sqrt_amg sqrt_amg
3530# endif
3531#endif /* _FASTMATH */
3532
83ee9e09
GS		 3533#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3534 PERLDBf_NOOPT | PERLDBf_INTER | \
3535 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3536 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3537 /* No _NONAME, _GOTO */
3538#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3539#define PERLDBf_LINE 0x02 /* Keep line # */
3540#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3541#define PERLDBf_INTER 0x08 /* Preserve more data for
3542 later inspections */
3543#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3544#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3545#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3546#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3547#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3548#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3549
3280af22
NIS		 3550#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3551#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3552#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3553#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3554#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3555#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3556#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3557#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3558#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3559#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3560
bbce6d69 3561
36477c24 3562#ifdef USE_LOCALE_NUMERIC
bbce6d69 3563
36477c24 3564#define SET_NUMERIC_STANDARD() \
ff4fed7c 3565 set_numeric_standard();
36477c24 3566
3567#define SET_NUMERIC_LOCAL() \
ff4fed7c 3568 set_numeric_local();
bbce6d69 3569
2de3dbcc
JH		 3570#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3571#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3572
3573#define IN_LOCALE \
3574 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3575
f93f4e46 3576#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3577 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3578 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3579
3580#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3581 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3582 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3583
3584#define RESTORE_NUMERIC_LOCAL() \
3585 if (was_local) SET_NUMERIC_LOCAL();
3586
3587#define RESTORE_NUMERIC_STANDARD() \
3588 if (was_standard) SET_NUMERIC_STANDARD();
3589
5b877257 3590#define Atof my_atof
097ee67d 3591
36477c24 3592#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3593
097ee67d
JH		 3594#define SET_NUMERIC_STANDARD() /**/
3595#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3596#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3597#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3598#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3599#define RESTORE_NUMERIC_LOCAL() /**/
3600#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3601#define Atof Perl_atof
ad3e0f90 3602#define IN_LOCALE_RUNTIME 0
bbce6d69 3603
36477c24 3604#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3605
079290de 3606#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3607# ifdef __hpux
3608# define strtoll __strtoll /* secret handshake */
3609# endif
079290de
GS		 3610# if !defined(Strtol) && defined(HAS_STRTOLL)
3611# define Strtol strtoll
ad551343 3612# endif
28e5dec8
JH		 3613# if !defined(Strtol) && defined(HAS_STRTOQ)
3614# define Strtol strtoq
3615# endif
ff935051 3616/* is there atoq() anywhere? */
15b99d39 3617#endif
079290de
GS		 3618#if !defined(Strtol) && defined(HAS_STRTOL)
3619# define Strtol strtol
3620#endif
3621#ifndef Atol
3622/* It would be more fashionable to use Strtol() to define atol()
3623 * (as is done for Atoul(), see below) but for backward compatibility
3624 * we just assume atol(). */
76b882ba
JH		 3625# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3626# define Atol atoll
3627# else
3628# define Atol atol
3629# endif
cf2093f6
JH		 3630#endif
3631
55eb892c 3632#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3633# ifdef __hpux
3634# define strtoull __strtoull /* secret handshake */
3635# endif
ad551343 3636# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3637# define Strtoul strtoull
15b99d39 3638# endif
079290de
GS		 3639# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3640# define Strtoul strtouq
3641# endif
76d49b1c 3642/* is there atouq() anywhere? */
ad551343 3643#endif
079290de
GS		 3644#if !defined(Strtoul) && defined(HAS_STRTOUL)
3645# define Strtoul strtoul
cf2093f6 3646#endif
079290de
GS		 3647#ifndef Atoul
3648# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3649#endif
cf2093f6 3650
e5c9fcd0 3651#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3652/*
3653 * Now we have __attribute__ out of the way
3654 * Remap printf
760ac839 3655 */
39455587 3656#undef printf
c745e42c
NIS		 3657#ifdef __GNUC__
3658#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3659#else
760ac839
LW		 3660#define printf PerlIO_stdoutf
3661#endif
c745e42c 3662#endif
760ac839 3663
06d86050
GS		 3664/* if these never got defined, they need defaults */
3665#ifndef PERL_SET_CONTEXT
3666# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3667#endif
3668
3669#ifndef PERL_GET_CONTEXT
3670# define PERL_GET_CONTEXT PERL_GET_INTERP
3671#endif
3672
3673#ifndef PERL_GET_THX
3674# define PERL_GET_THX ((void*)NULL)
3675#endif
3676
3677#ifndef PERL_SET_THX
3678# define PERL_SET_THX(t) NOOP
3679#endif
3680
a868473f
NIS		 3681#ifndef PERL_SCRIPT_MODE
3682#define PERL_SCRIPT_MODE "r"
3683#endif
3684
fba3b22e 3685/*
da927450
JH		 3686 * Some operating systems are stingy with stack allocation,
3687 * so perl may have to guard against stack overflow.
3688 */
3689#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3690#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3691#endif
3692
3693/*
3694 * Some nonpreemptive operating systems find it convenient to
3695 * check for asynchronous conditions after each op execution.
3696 * Keep this check simple, or it may slow down execution
3697 * massively.
3698 */
ce08f86c 3699
1d615522
JH		 3700#ifndef PERL_MICRO
3701# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3702# ifndef PERL_ASYNC_CHECK
3703# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3704# endif
1d615522 3705# endif
ce08f86c
NIS		 3706#endif
3707
da927450 3708#ifndef PERL_ASYNC_CHECK
1d615522 3709# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3710#endif
3711
3712/*
3713 * On some operating systems, a memory allocation may succeed,
3714 * but put the process too close to the system's comfort limit.
3715 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3716 * it to NULL.
3717 */
3718#ifndef PERL_ALLOC_CHECK
c2af87cb 3719#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3720#endif
3721
3722/*
fba3b22e
MB		 3723 * nice_chunk and nice_chunk size need to be set
3724 * and queried under the protection of sv_mutex
3725 */
30ad99e7
MJD		 3726#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3727 void *new_chunk; \
3728 U32 new_chunk_size; \
3729 LOCK_SV_MUTEX; \
3730 new_chunk = (void *)(chunk); \
3731 new_chunk_size = (chunk_size); \
3732 if (new_chunk_size > PL_nice_chunk_size) { \
3733 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3734 PL_nice_chunk = new_chunk; \
3735 PL_nice_chunk_size = new_chunk_size; \
3736 } else { \
3737 Safefree(chunk); \
3738 } \
3739 UNLOCK_SV_MUTEX; \
3740 } STMT_END
fba3b22e 3741
bd89102f
AD		 3742#ifdef HAS_SEM
3743# include <sys/ipc.h>
3744# include <sys/sem.h>
3745# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3746 union semun {
dbba660d
TC		 3747 int val;
3748 struct semid_ds *buf;
3749 unsigned short *array;
bd89102f
AD		 3750 };
3751# endif
3752# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3753# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3754 union gccbug_semun {
3755 int val;
3756 struct semid_ds *buf;
3757 unsigned short *array;
3758 char __dummy[5];
3759 };
3760# define semun gccbug_semun
3761# endif
bd89102f
AD		 3762# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3763# else
3764# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3765# ifdef EXTRA_F_IN_SEMUN_BUF
3766# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3767# else
3768# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3769# endif
bd89102f
AD		 3770# endif
3771# endif
bd89102f 3772#endif
49f531da 3773
9a34ef1d
GS		 3774#ifdef I_FCNTL
3775# include <fcntl.h>
9a34ef1d
GS		 3776#endif
3777
3778#ifdef I_SYS_FILE
3779# include <sys/file.h>
3780#endif
3781
fa0a29af 3782#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 3783int flock(int fd, int op);
3784#endif
3785
fe52b3b7
GS		 3786#ifndef O_RDONLY
3787/* Assume UNIX defaults */
3788# define O_RDONLY 0000
3789# define O_WRONLY 0001
3790# define O_RDWR 0002
3791# define O_CREAT 0100
3792#endif
9a34ef1d 3793
16fe6d59
GS		 3794#ifndef O_BINARY
3795# define O_BINARY 0
3796#endif
3797
3798#ifndef O_TEXT
3799# define O_TEXT 0
3800#endif
3801
104d25b7
JH		 3802#ifdef IAMSUID
3803
3804#ifdef I_SYS_STATVFS
9f982a77
IG		 3805# if defined(PERL_SCO) && !defined(_SVID3)
3806# define _SVID3
3807# endif
32b3cf08
JH		 3808# include <sys/statvfs.h> /* for f?statvfs() */
3809#endif
3810#ifdef I_SYS_MOUNT
3811# include <sys/mount.h> /* for *BSD f?statfs() */
3812#endif
3813#ifdef I_MNTENT
3814# include <mntent.h> /* for getmntent() */
104d25b7 3815#endif
0545a864
JH		 3816#ifdef I_SYS_STATFS
3817# include <sys/statfs.h> /* for some statfs() */
3818#endif
3819#ifdef I_SYS_VFS
8d9e1a19
GS		 3820# ifdef __sgi
3821# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
3822# endif
3823# include <sys/vfs.h> /* for some statfs() */
3824# ifdef __sgi
3825# undef IRIX_sv
3826# endif
0545a864
JH		 3827#endif
3828#ifdef I_USTAT
3829# include <ustat.h> /* for ustat() */
3830#endif
3831
3832#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
3833# define PERL_MOUNT_NOSUID MOUNT_NOSUID
3834#endif
3835#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
3836# define PERL_MOUNT_NOSUID MNT_NOSUID
3837#endif
3838#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
3839# define PERL_MOUNT_NOSUID MS_NOSUID
3840#endif
3841#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
3842# define PERL_MOUNT_NOSUID M_NOSUID
3843#endif
104d25b7
JH		 3844
3845#endif /* IAMSUID */
3846
4bc88a62
PS		 3847#ifdef I_LIBUTIL
3848# include <libutil.h> /* setproctitle() in some FreeBSDs */
3849#endif
3850
b4748376
NIS		 3851#ifndef EXEC_ARGV_CAST
3852#define EXEC_ARGV_CAST(x) x
3853#endif
3854
dd5dc04f
JH		 3855#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
3856 int). value returned in pointed-
3857 to UV */
3858#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
3859#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
3860#define IS_NUMBER_NEG 0x08 /* leading minus sign */
3861#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 3862#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 3863
3864#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
3865
53305cf1
NC		 3866/* Input flags: */
3867#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 3868#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 3869/* Output flags: */
3870#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
3871
2c4f7f0e
DM		 3872/* to let user control profiling */
3873#ifdef PERL_GPROF_CONTROL
3874extern void moncontrol(int);
3875#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
3876#else
3877#define PERL_GPROF_MONCONTROL(x)
3878#endif
3879
4d8076ea 3880/* and finally... */
cceca5ed 3881#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3882#include "patchlevel.h"
cceca5ed 3883#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3884
43999f95 3885/* Mention
d460ef45 3886
43999f95 3887 NV_PRESERVES_UV
fe749a9f 3888
fe749a9f
JH		 3889 HAS_MKSTEMP
3890 HAS_MKSTEMPS
3891 HAS_MKDTEMP
3892
49dabb45
JH		 3893 HAS_GETCWD
3894
d59b5429 3895 HAS_MMAP
fe749a9f
JH		 3896 HAS_MPROTECT
3897 HAS_MSYNC
1e8c3fde 3898 HAS_MADVISE
fe749a9f
JH		 3899 HAS_MUNMAP
3900 I_SYSMMAN
3901 Mmap_t
3902
6b4667fc
A		 3903 NVef
3904 NVff
3905 NVgf
3906
4e0554ec
JH		 3907 HAS_USLEEP
3908 HAS_UALARM
3909
3910 HAS_SETITIMER
3911 HAS_GETITIMER
3912
3913 HAS_SENDMSG
3914 HAS_RECVMSG
3915 HAS_READV
3916 HAS_WRITEV
3917 I_SYSUIO
3918 HAS_STRUCT_MSGHDR
3919 HAS_STRUCT_CMSGHDR
3920
2765b840
JH		 3921 HAS_NL_LANGINFO
3922
43999f95
JH		 3923 so that Configure picks them up. */
3924
e1caacb4
JH		 3925#ifdef UNDER_CE
3926#include "wince.h"
3927#endif
3928
85e6fe83 3929#endif /* Include guard */
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