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Beginings of PerlIO_dup support (unstable)
[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;
8d063cd8 1635
378cc40b 1636#include "handy.h"
a0d0e21e 1637
6b8eaf93 1638#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1639# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1640# define USE_64_BIT_RAWIO /* implicit */
1641# endif
4564133c
JH		 1642#endif
1643
6b8eaf93
JH		 1644/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1645 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1646 * however, because operating systems like to do that themself. */
1647#ifndef FSEEKSIZE
1648# ifdef HAS_FSEEKO
1649# define FSEEKSIZE LSEEKSIZE
1650# else
1651# define FSEEKSIZE LONGSIZE
d460ef45 1652# endif
6b8eaf93
JH		 1653#endif
1654
1655#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1656# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1657# define USE_64_BIT_STDIO /* implicit */
1658# endif
1659#endif
4564133c 1660
09458382 1661#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1662# ifdef HAS_OFF64_T
1663# undef Off_t
1664# define Off_t off64_t
1665# undef LSEEKSIZE
1666# define LSEEKSIZE 8
5ff3f7a4 1667# endif
d9b3e12d
JH		 1668/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1669 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1670 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1671# if defined(USE_OPEN64)
1672# define open open64
5ff3f7a4 1673# endif
d9b3e12d
JH		 1674# if defined(USE_LSEEK64)
1675# define lseek lseek64
6b8eaf93
JH		 1676# else
1677# if defined(USE_LLSEEK)
1678# define lseek llseek
1679# endif
d9b3e12d
JH		 1680# endif
1681# if defined(USE_STAT64)
1682# define stat stat64
1683# endif
1684# if defined(USE_FSTAT64)
1685# define fstat fstat64
1686# endif
1687# if defined(USE_LSTAT64)
1688# define lstat lstat64
1689# endif
1690# if defined(USE_FLOCK64)
1691# define flock flock64
1692# endif
1693# if defined(USE_LOCKF64)
1694# define lockf lockf64
1695# endif
1696# if defined(USE_FCNTL64)
1697# define fcntl fcntl64
1698# endif
1699# if defined(USE_TRUNCATE64)
1700# define truncate truncate64
1701# endif
1702# if defined(USE_FTRUNCATE64)
1703# define ftruncate ftruncate64
1704# endif
1705#endif
1706
1707#ifdef USE_64_BIT_STDIO
1708# ifdef HAS_FPOS64_T
1709# undef Fpos_t
1710# define Fpos_t fpos64_t
1711# endif
1712/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1713 * will trigger defines like the ones below. Some 64-bit environments,
1714 * however, do not. */
1715# if defined(USE_FOPEN64)
1716# define fopen fopen64
1717# endif
1718# if defined(USE_FSEEK64)
6b8eaf93 1719# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1720# endif
1721# if defined(USE_FTELL64)
6b8eaf93 1722# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1723# endif
1724# if defined(USE_FSETPOS64)
1725# define fsetpos fsetpos64
1726# endif
1727# if defined(USE_FGETPOS64)
1728# define fgetpos fgetpos64
1729# endif
1730# if defined(USE_TMPFILE64)
1731# define tmpfile tmpfile64
1732# endif
1733# if defined(USE_FREOPEN64)
1734# define freopen freopen64
5ff3f7a4
GS		 1735# endif
1736#endif
1737
2c2d71f5
JH		 1738#if defined(OS2)
1739# include "iperlsys.h"
1740#endif
1741
6f71a643
JH		 1742#if defined(__OPEN_VM)
1743# include "vmesa/vmesaish.h"
1744#endif
1745
748a9306 1746#ifdef DOSISH
4633a7c4
LW		 1747# if defined(OS2)
1748# include "os2ish.h"
1749# else
748a9306 1750# include "dosish.h"
4633a7c4 1751# endif
a0d0e21e 1752#else
748a9306
LW		 1753# if defined(VMS)
1754# include "vmsish.h"
1755# else
0c30d9ec 1756# if defined(PLAN9)
1757# include "./plan9/plan9ish.h"
1758# else
1d84e8df
JH		 1759# if defined(MPE)
1760# include "mpeix/mpeixish.h"
1761# else
495c5fdc
PG		 1762# if defined(__VOS__)
1763# include "vosish.h"
1764# else
4d2c4e07
OF		 1765# if defined(EPOC)
1766# include "epocish.h"
1767# else
cd39f2b6
JH		 1768# if defined(MACOS_TRADITIONAL)
1769# include "macos/macish.h"
2b3f4ecd
JH		 1770# ifndef NO_ENVIRON_ARRAY
1771# define NO_ENVIRON_ARRAY
1772# endif
cd39f2b6
JH		 1773# else
1774# include "unixish.h"
1775# endif
4d2c4e07 1776# endif
495c5fdc 1777# endif
1d84e8df 1778# endif
0c30d9ec 1779# endif
748a9306 1780# endif
13b6e58c
JH		 1781#endif
1782
1783#ifndef NO_ENVIRON_ARRAY
1784# define USE_ENVIRON_ARRAY
1785#endif
32f822de 1786
103a7189
JH		 1787#ifdef JPL
1788 /* E.g. JPL needs to operate on a copy of the real environment.
1789 * JDK 1.2 and 1.3 seem to get upset if the original environment
1790 * is diddled with. */
1791# define NEED_ENVIRON_DUP_FOR_MODIFY
1792#endif
1793
c77b533b
JH		 1794/*
1795 * initialise to avoid floating-point exceptions from overflow, etc
1796 */
1797#ifndef PERL_FPU_INIT
1798# ifdef HAS_FPSETMASK
1799# if HAS_FLOATINGPOINT_H
1800# include <floatingpoint.h>
1801# endif
1802# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1803# else
7014c407
JH		 1804# if defined(SIGFPE) && defined(SIG_IGN)
1805# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1806# else
1807# define PERL_FPU_INIT
1808# endif
c77b533b
JH		 1809# endif
1810#endif
1811
ed344e4f
IZ		 1812#ifndef PERL_SYS_INIT3
1813# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1814#endif
1815
be708cc0
JH		 1816#ifndef PERL_WRITE_MSG_TO_CONSOLE
1817# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1818#endif
1819
0f31cffe
GS		 1820#ifndef MAXPATHLEN
1821# ifdef PATH_MAX
b990c8b2
JH		 1822# ifdef _POSIX_PATH_MAX
1823# if PATH_MAX > _POSIX_PATH_MAX
1824/* MAXPATHLEN is supposed to include the final null character,
1825 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1826# define MAXPATHLEN (PATH_MAX+1)
1827# else
1828# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1829# endif
1830# else
1831# define MAXPATHLEN (PATH_MAX+1)
1832# endif
0f31cffe 1833# else
b990c8b2
JH		 1834# ifdef _POSIX_PATH_MAX
1835# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1836# else
1837# define MAXPATHLEN 1024 /* Err on the large side. */
1838# endif
0f31cffe
GS		 1839# endif
1840#endif
1841
d460ef45 1842/*
4d1ff10f 1843 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1844 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1845 * this results in many functions being undeclared which bothers C++
1846 * May make sense to have threads after "*ish.h" anyway
1847 */
1848
4d1ff10f
AB		 1849#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1850# if defined(USE_5005THREADS)
79d59c5f
GS		 1851 /* pending resolution of licensing issues, we avoid the erstwhile
1852 * atomic.h everywhere */
1853# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1854# endif
2986a63f
JH		 1855# ifdef NETWARE
1856# include <nw5thread.h>
1857# else
32f822de
GS		 1858# ifdef FAKE_THREADS
1859# include "fakethr.h"
1860# else
1861# ifdef WIN32
1862# include <win32thread.h>
1863# else
dd96f567
IZ		 1864# ifdef OS2
1865# include "os2thread.h"
1866# else
7f3d1cf1 1867# ifdef I_MACH_CTHREADS
bdd66968 1868# include <mach/cthreads.h>
8f1f23e8 1869# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1870# define MUTEX_INIT_CALLS_MALLOC
1871# endif
7f3d1cf1
BH		 1872typedef cthread_t perl_os_thread;
1873typedef mutex_t perl_mutex;
1874typedef condition_t perl_cond;
1875typedef void * perl_key;
1876# else /* Posix threads */
1f5ae88c
JH		 1877# ifdef I_PTHREAD
1878# include <pthread.h>
1879# endif
7f3d1cf1
BH		 1880typedef pthread_t perl_os_thread;
1881typedef pthread_mutex_t perl_mutex;
1882typedef pthread_cond_t perl_cond;
1883typedef pthread_key_t perl_key;
1884# endif /* I_MACH_CTHREADS */
dd96f567 1885# endif /* OS2 */
32f822de
GS		 1886# endif /* WIN32 */
1887# endif /* FAKE_THREADS */
2986a63f 1888#endif /* NETWARE */
4d1ff10f 1889#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b
GS		 1890
1891#ifdef WIN32
1feb2720 1892# include "win32.h"
c5be433b
GS		 1893#endif
1894
2986a63f
JH		 1895#ifdef NETWARE
1896# include "netware.h"
1897#endif
1898
68dc0745 1899#ifdef VMS
6b88bc9c 1900# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1901# define STATUS_NATIVE_EXPORT \
d98f61e7 1902 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1903# define STATUS_NATIVE_SET(n) \
1904 STMT_START { \
6b88bc9c
GS		 1905 PL_statusvalue_vms = (n); \
1906 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1907 PL_statusvalue = -1; \
6b88bc9c 1908 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1909 PL_statusvalue = 0; \
6b88bc9c
GS		 1910 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1911 PL_statusvalue = 1 << 8; \
68dc0745 1912 else \
6b88bc9c 1913 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1914 } STMT_END
3280af22 1915# define STATUS_POSIX PL_statusvalue
68dc0745 1916# ifdef VMSISH_STATUS
1917# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1918# else
1919# define STATUS_CURRENT STATUS_POSIX
1920# endif
1921# define STATUS_POSIX_SET(n) \
1922 STMT_START { \
3280af22
NIS		 1923 PL_statusvalue = (n); \
1924 if (PL_statusvalue != -1) { \
1925 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1926 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1927 } \
6b88bc9c 1928 else PL_statusvalue_vms = -1; \
68dc0745 1929 } STMT_END
6b88bc9c
GS		 1930# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1931# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1932#else
1933# define STATUS_NATIVE STATUS_POSIX
1934# define STATUS_NATIVE_EXPORT STATUS_POSIX
1935# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1936# define STATUS_POSIX PL_statusvalue
68dc0745 1937# define STATUS_POSIX_SET(n) \
1938 STMT_START { \
3280af22
NIS		 1939 PL_statusvalue = (n); \
1940 if (PL_statusvalue != -1) \
1941 PL_statusvalue &= 0xFFFF; \
68dc0745 1942 } STMT_END
1943# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1944# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1945# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1946#endif
1947
cc3604b1
GS		 1948/* flags in PL_exit_flags for nature of exit() */
1949#define PERL_EXIT_EXPECTED 0x01
31d77e54 1950#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1951
0b94c7bb 1952#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1953# define MEMBER_TO_FPTR(name) name
1954#endif
1955
1956/* format to use for version numbers in file/directory names */
273cf8d1 1957/* XXX move to Configure? */
a7cb1f99 1958#ifndef PERL_FS_VER_FMT
273cf8d1 1959# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 1960#endif
1961
45bc9206 1962/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 1963 * performance issue, so we allow people to disable it. Also, if
1964 * we are using stdio, there are broken implementations of fflush(NULL)
1965 * out there, Solaris being the most prominent.
45bc9206
GS		 1966 */
1967#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 1968# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 1969# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 1970# else
1971# ifdef FFLUSH_ALL
1972# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 1973# else
c5be433b 1974# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 1975# endif
66fe083f 1976# endif
45bc9206
GS		 1977#endif
1978
7766f137
GS		 1979#ifndef PERL_WAIT_FOR_CHILDREN
1980# define PERL_WAIT_FOR_CHILDREN NOOP
1981#endif
1982
ba869deb 1983/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 1984#ifndef PERL_SET_INTERP
1985# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
1986#endif
1987
1988#ifndef PERL_GET_INTERP
1989# define PERL_GET_INTERP (PL_curinterp)
1990#endif
1991
54aff467 1992#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 1993# ifdef USE_5005THREADS
ba869deb 1994# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 1995# else
1996# ifdef MULTIPLICITY
ba869deb 1997# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 1998# endif
1999# endif
ba869deb
GS		 2000# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2001#endif
2002
894356b3
GS		 2003#ifndef SVf
2004# ifdef CHECK_FORMAT
2005# define SVf "p"
2006# else
2007# define SVf "_"
d460ef45 2008# endif
894356b3
GS		 2009#endif
2010
d2560b70
RB		 2011#ifndef UVf
2012# ifdef CHECK_FORMAT
2013# define UVf UVuf
2014# else
2015# define UVf "Vu"
d460ef45 2016# endif
d2560b70
RB		 2017#endif
2018
2019#ifndef VDf
2020# ifdef CHECK_FORMAT
2021# define VDf "p"
2022# else
2023# define VDf "vd"
d460ef45 2024# endif
d2560b70
RB		 2025#endif
2026
b3fe4827
RB		 2027#ifndef Nullformat
2028# ifdef CHECK_FORMAT
2029# define Nullformat "%s",""
2030# else
2031# define Nullformat Nullch
2032# endif
2033#endif
2034
3fc1aec6 2035/* Some unistd.h's give a prototype for pause() even though
2036 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2037 below to be rejected by the compiler. Sigh.
3fc1aec6 2038*/
2039#ifdef HAS_PAUSE
2040#define Pause pause
2041#else
2042#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2043#endif
2044
2045#ifndef IOCPARM_LEN
2046# ifdef IOCPARM_MASK
2047 /* on BSDish systes we're safe */
2048# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2049# else
2050 /* otherwise guess at what's safe */
2051# define IOCPARM_LEN(x) 256
2052# endif
a0d0e21e
LW		 2053#endif
2054
1761cee5 2055#if defined(__CYGWIN__)
521e0776
GS		 2056/* USEMYBINMODE
2057 * This symbol, if defined, indicates that the program should
16fe6d59 2058 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2059 * that a file is in "binary" mode -- that is, that no translation
2060 * of bytes occurs on read or write operations.
2061 */
2062# define USEMYBINMODE / **/
16fe6d59
GS		 2063# define my_binmode(fp, iotype, mode) \
2064 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2065#endif
2066
cea2e8a9
GS		 2067#ifdef UNION_ANY_DEFINITION
2068UNION_ANY_DEFINITION;
2069#else
2070union any {
2071 void* any_ptr;
2072 I32 any_i32;
2073 IV any_iv;
2074 long any_long;
c76ac1ee 2075 void (*any_dptr) (void*);
acfe0abc 2076 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2077};
2078#endif
2079
4d1ff10f 2080#ifdef USE_5005THREADS
cea2e8a9
GS		 2081#define ARGSproto struct perl_thread *thr
2082#else
2083#define ARGSproto
4d1ff10f 2084#endif /* USE_5005THREADS */
cea2e8a9 2085
acfe0abc 2086typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2087
2088#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2089#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2090#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2091
2c2d71f5
JH		 2092#if !defined(OS2)
2093# include "iperlsys.h"
2094#endif
378cc40b 2095#include "regexp.h"
79072805 2096#include "sv.h"
378cc40b 2097#include "util.h"
8d063cd8 2098#include "form.h"
79072805
LW		 2099#include "gv.h"
2100#include "cv.h"
abdd5c84 2101#include "opnames.h"
79072805
LW		 2102#include "op.h"
2103#include "cop.h"
2104#include "av.h"
2105#include "hv.h"
2106#include "mg.h"
2107#include "scope.h"
4438c4b7 2108#include "warnings.h"
a0ed51b3 2109#include "utf8.h"
cd1ee231 2110#include "sharedsv.h"
8d063cd8 2111
7fae4e64
GS		 2112/* Current curly descriptor */
2113typedef struct curcur CURCUR;
2114struct curcur {
2115 int parenfloor; /* how far back to strip paren data */
2116 int cur; /* how many instances of scan we've matched */
2117 int min; /* the minimal number of scans to match */
2118 int max; /* the maximal number of scans to match */
2119 int minmod; /* whether to work our way up or down */
2120 regnode * scan; /* the thing to match */
2121 regnode * next; /* what has to match after it */
2122 char * lastloc; /* where we started matching this scan */
2123 CURCUR * oldcc; /* current curly before we started this one */
2124};
2125
2126typedef struct _sublex_info SUBLEXINFO;
2127struct _sublex_info {
2128 I32 super_state; /* lexer state to save */
2129 I32 sub_inwhat; /* "lex_inwhat" to use */
2130 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2131 char *super_bufptr; /* PL_bufptr that was */
2132 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2133};
2134
455ece5e 2135typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2136
2c2d71f5 2137struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2138struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2139
2140typedef I32 CHECKPOINT;
76e3520e 2141
5f7fde29
GS		 2142struct ptr_tbl_ent {
2143 struct ptr_tbl_ent* next;
2144 void* oldval;
2145 void* newval;
d18c6117
GS		 2146};
2147
5f7fde29
GS		 2148struct ptr_tbl {
2149 struct ptr_tbl_ent** tbl_ary;
2150 UV tbl_max;
2151 UV tbl_items;
d18c6117
GS		 2152};
2153
450a55e4 2154#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2155# define I286
2156#endif
2157
fe14fcc3
LW		 2158#if defined(htonl) && !defined(HAS_HTONL)
2159#define HAS_HTONL
ae986130 2160#endif
fe14fcc3
LW		 2161#if defined(htons) && !defined(HAS_HTONS)
2162#define HAS_HTONS
ae986130 2163#endif
fe14fcc3
LW		 2164#if defined(ntohl) && !defined(HAS_NTOHL)
2165#define HAS_NTOHL
ae986130 2166#endif
fe14fcc3
LW		 2167#if defined(ntohs) && !defined(HAS_NTOHS)
2168#define HAS_NTOHS
ae986130 2169#endif
fe14fcc3 2170#ifndef HAS_HTONL
d9d8d8de 2171#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2172#define HAS_HTONS
2173#define HAS_HTONL
2174#define HAS_NTOHS
2175#define HAS_NTOHL
a687059c
LW		 2176#define MYSWAP
2177#define htons my_swap
2178#define htonl my_htonl
2179#define ntohs my_swap
2180#define ntohl my_ntohl
2181#endif
2182#else
d9d8d8de 2183#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2184#undef HAS_HTONS
2185#undef HAS_HTONL
2186#undef HAS_NTOHS
2187#undef HAS_NTOHL
a687059c
LW		 2188#endif
2189#endif
2190
988174c1
LW		 2191/*
2192 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2193 * -DWS
2194 */
2195#if BYTEORDER != 0x1234
2196# define HAS_VTOHL
2197# define HAS_VTOHS
2198# define HAS_HTOVL
2199# define HAS_HTOVS
c67712b2 2200# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2201# define vtohl(x) ((((x)&0xFF)<<24) \
2202 +(((x)>>24)&0xFF) \
2203 +(((x)&0x0000FF00)<<8) \
2204 +(((x)&0x00FF0000)>>8) )
2205# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2206# define htovl(x) vtohl(x)
2207# define htovs(x) vtohs(x)
2208# endif
2209 /* otherwise default to functions in util.c */
2210#endif
2211
3bb7c1b4
JH		 2212/* *MAX Plus 1. A floating point value.
2213 Hopefully expressed in a way that dodgy floating point can't mess up.
2214 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2215 is added to it
2216 May find that some broken compiler will want the value cast to I32.
2217 [after the shift, as signed >> may not be as secure as unsigned >>]
2218*/
2219#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2220#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2221/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2222 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2223 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2224*/
2225#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2226
3bb7c1b4
JH		 2227#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2228#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2229#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2230
2231/* This may look like unnecessary jumping through hoops, but converting
2232 out of range floating point values to integers *is* undefined behaviour,
2233 and it is starting to bite.
2234*/
2235#ifndef CAST_INLINE
65202027 2236#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2237#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2238#define I_V(what) (cast_iv((NV)(what)))
2239#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2240#else
2241#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2242 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2243 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2244#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2245 : ((n) < U32_MAX_P1 ? (U32) (n) \
2246 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2247#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2248 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2249 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2250#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2251 : ((n) < UV_MAX_P1 ? (UV) (n) \
2252 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2253#endif
2254
2255#define U_S(what) ((U16)U_32(what))
2256#define U_I(what) ((unsigned int)U_32(what))
2257#define U_L(what) U_32(what)
ed6116ce 2258
2d4389e4
JH		 2259/* These do not care about the fractional part, only about the range. */
2260#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2261#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2262
25da4f38
IZ		 2263/* Used with UV/IV arguments: */
2264 /* XXXX: need to speed it up */
2265#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2266#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2267
352d5a3a
LW		 2268#ifndef MAXSYSFD
2269# define MAXSYSFD 2
2270#endif
ee0007ab 2271
79072805 2272#ifndef __cplusplus
e1caacb4 2273#ifndef UNDER_CE
20ce7b12
GS		 2274Uid_t getuid (void);
2275Uid_t geteuid (void);
2276Gid_t getgid (void);
2277Gid_t getegid (void);
79072805 2278#endif
e1caacb4 2279#endif
8d063cd8 2280
0c30d9ec 2281#ifndef Perl_debug_log
bf49b057
GS		 2282# define Perl_debug_log PerlIO_stderr()
2283#endif
2284
2285#ifndef Perl_error_log
2286# define Perl_error_log (PL_stderrgv \
01bb7c6d 2287 && GvIOp(PL_stderrgv) \
42de951c 2288 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2289 ? IoOFP(GvIOp(PL_stderrgv)) \
2290 : PerlIO_stderr())
0c30d9ec 2291#endif
3967c732 2292
aea4f609
DM		 2293
2294#define DEBUG_p_FLAG 0x00000001 /* 1 */
2295#define DEBUG_s_FLAG 0x00000002 /* 2 */
2296#define DEBUG_l_FLAG 0x00000004 /* 4 */
2297#define DEBUG_t_FLAG 0x00000008 /* 8 */
2298#define DEBUG_o_FLAG 0x00000010 /* 16 */
2299#define DEBUG_c_FLAG 0x00000020 /* 32 */
2300#define DEBUG_P_FLAG 0x00000040 /* 64 */
2301#define DEBUG_m_FLAG 0x00000080 /* 128 */
2302#define DEBUG_f_FLAG 0x00000100 /* 256 */
2303#define DEBUG_r_FLAG 0x00000200 /* 512 */
2304#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2305#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2306#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2307#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2308#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2309#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2310#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2311#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2312#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2313#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2314
2315#define DEBUG_DB_RECURSE_FLAG 0x40000000
2316#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2317
2318
3967c732 2319#ifdef DEBUGGING
aea4f609
DM		 2320
2321# undef YYDEBUG
2322# define YYDEBUG 1
2323
2324# define DEBUG_p_TEST (PL_debug & DEBUG_p_FLAG)
2325# define DEBUG_s_TEST (PL_debug & DEBUG_s_FLAG)
2326# define DEBUG_l_TEST (PL_debug & DEBUG_l_FLAG)
2327# define DEBUG_t_TEST (PL_debug & DEBUG_t_FLAG)
2328# define DEBUG_o_TEST (PL_debug & DEBUG_o_FLAG)
2329# define DEBUG_c_TEST (PL_debug & DEBUG_c_FLAG)
2330# define DEBUG_P_TEST (PL_debug & DEBUG_P_FLAG)
2331# define DEBUG_m_TEST (PL_debug & DEBUG_m_FLAG)
2332# define DEBUG_f_TEST (PL_debug & DEBUG_f_FLAG)
2333# define DEBUG_r_TEST (PL_debug & DEBUG_r_FLAG)
2334# define DEBUG_x_TEST (PL_debug & DEBUG_x_FLAG)
2335# define DEBUG_u_TEST (PL_debug & DEBUG_u_FLAG)
2336# define DEBUG_L_TEST (PL_debug & DEBUG_L_FLAG)
2337# define DEBUG_H_TEST (PL_debug & DEBUG_H_FLAG)
2338# define DEBUG_X_TEST (PL_debug & DEBUG_X_FLAG)
2339# define DEBUG_D_TEST (PL_debug & DEBUG_D_FLAG)
2340# define DEBUG_S_TEST (PL_debug & DEBUG_S_FLAG)
2341# define DEBUG_T_TEST (PL_debug & DEBUG_T_FLAG)
04932ac8 2342# define DEBUG_R_TEST (PL_debug & DEBUG_R_FLAG)
aea4f609
DM		 2343
2344# define DEB(a) a
2345# define DEBUG(a) if (PL_debug) a
2346# define DEBUG_p(a) if (DEBUG_p_TEST) a
2347# define DEBUG_s(a) if (DEBUG_s_TEST) a
2348# define DEBUG_l(a) if (DEBUG_l_TEST) a
2349# define DEBUG_t(a) if (DEBUG_t_TEST) a
2350# define DEBUG_o(a) if (DEBUG_o_TEST) a
2351# define DEBUG_c(a) if (DEBUG_c_TEST) a
2352# define DEBUG_P(a) if (DEBUG_P_TEST) a
2353
969058bb
VK		 2354 /* Temporarily turn off memory debugging in case the a
2355 * does memory allocation, either directly or indirectly. */
acfe0abc 2356# define DEBUG_m(a) \
0b250b9e 2357 STMT_START { \
aea4f609 2358 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2359 } STMT_END
aea4f609 2360
5f80b19c
AMS		 2361# define DEBUG__(t, a) \
2362 STMT_START { \
2363 if (t) STMT_START {a;} STMT_END; \
2364 } STMT_END
2365
2366# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2367# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2368# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2369# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2370# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2371# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2372# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2373# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2374
4d1ff10f 2375# ifdef USE_5005THREADS
5f80b19c 2376# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2377# else
2378# define DEBUG_S(a)
2379# endif
aea4f609 2380
5f80b19c
AMS		 2381# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2382# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2383
2384#else /* DEBUGGING */
2385
2386# define DEBUG_p_TEST (0)
2387# define DEBUG_s_TEST (0)
2388# define DEBUG_l_TEST (0)
2389# define DEBUG_t_TEST (0)
2390# define DEBUG_o_TEST (0)
2391# define DEBUG_c_TEST (0)
2392# define DEBUG_P_TEST (0)
2393# define DEBUG_m_TEST (0)
2394# define DEBUG_f_TEST (0)
2395# define DEBUG_r_TEST (0)
2396# define DEBUG_x_TEST (0)
2397# define DEBUG_u_TEST (0)
2398# define DEBUG_L_TEST (0)
2399# define DEBUG_H_TEST (0)
2400# define DEBUG_X_TEST (0)
2401# define DEBUG_D_TEST (0)
2402# define DEBUG_S_TEST (0)
2403# define DEBUG_T_TEST (0)
04932ac8 2404# define DEBUG_R_TEST (0)
aea4f609
DM		 2405
2406# define DEB(a)
2407# define DEBUG(a)
2408# define DEBUG_p(a)
2409# define DEBUG_s(a)
2410# define DEBUG_l(a)
2411# define DEBUG_t(a)
2412# define DEBUG_o(a)
2413# define DEBUG_c(a)
2414# define DEBUG_P(a)
2415# define DEBUG_m(a)
2416# define DEBUG_f(a)
2417# define DEBUG_r(a)
2418# define DEBUG_x(a)
2419# define DEBUG_u(a)
2420# define DEBUG_L(a)
2421# define DEBUG_H(a)
2422# define DEBUG_X(a)
2423# define DEBUG_D(a)
2424# define DEBUG_S(a)
2425# define DEBUG_T(a)
04932ac8 2426# define DEBUG_R(a)
aea4f609
DM		 2427#endif /* DEBUGGING */
2428
2429
14befaf4
DM		 2430/* These constants should be used in preference to to raw characters
2431 * when using magic. Note that some perl guts still assume
2432 * certain character properties of these constants, namely that
2433 * isUPPER() and toLOWER() may do useful mappings.
2434 *
2435 * Update the magic_names table in dump.c when adding/amending these
2436 */
2437
2438#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2439#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2440#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2441#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2442#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2443#define PERL_MAGIC_regdata 'D' /* Regex match position data
2444 (@+ and @- vars) */
2445#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2446#define PERL_MAGIC_env 'E' /* %ENV hash */
2447#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2448#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2449#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2450#define PERL_MAGIC_isa 'I' /* @ISA array */
2451#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2452#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2453#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2454#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
2455#define PERL_MAGIC_mutex 'm' /* ??? */
2456#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2457#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2458#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2459#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2460#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2461#define PERL_MAGIC_sig 'S' /* %SIG hash */
2462#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2463#define PERL_MAGIC_taint 't' /* Taintedness */
2464#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
2465#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2466#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2467#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2468 smart parameter vivification */
2469#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2470#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2471#define PERL_MAGIC_pos '.' /* pos() lvalue */
2472#define PERL_MAGIC_backref '<' /* ??? */
2473#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2474
2475
fe14fcc3 2476#define YYMAXDEPTH 300
8d063cd8 2477
a6e633de 2478#ifndef assert /* <assert.h> might have been included somehow */
79072805
LW		 2479#define assert(what) DEB( { \
2480 if (!(what)) { \
cea2e8a9 2481 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2482 __FILE__, __LINE__); \
cea2e8a9 2483 PerlProc_exit(1); \
79072805 2484 }})
a6e633de 2485#endif
8d063cd8 2486
450a55e4 2487struct ufuncs {
24f81a43
DM		 2488 I32 (*uf_val)(pTHX_ IV, SV*);
2489 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2490 IV uf_index;
450a55e4
LW		 2491};
2492
14befaf4 2493/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2494 * XS code wanting to be backward compatible can do something
2495 * like the following:
c745e42c 2496
24f81a43 2497#ifndef PERL_MG_UFUNC
24f81a43
DM		 2498#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2499#endif
2500
2501static PERL_MG_UFUNC(foo_get, index, val)
2502{
2503 sv_setsv(val, ...);
2504 return TRUE;
2505}
2506
2507-- Doug MacEachern
2508
2509*/
2510
fc9c74e6 2511#ifndef PERL_MG_UFUNC
24f81a43 2512#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2513#endif
24f81a43 2514
fe14fcc3 2515/* Fix these up for __STDC__ */
68dc0745 2516#ifndef DONT_DECLARE_STD
20ce7b12 2517char *mktemp (char*);
37bd1396 2518#ifndef atof
20ce7b12 2519double atof (const char*);
a0d0e21e 2520#endif
37bd1396 2521#endif
79072805 2522
352d5a3a 2523#ifndef STANDARD_C
fe14fcc3 2524/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2525Time_t time();
8d063cd8 2526struct tm *gmtime(), *localtime();
092bebab 2527#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2528char *(strchr)(), *(strrchr)();
2529char *(strcpy)(), *(strcat)();
2530#else
93a17b20 2531char *strchr(), *strrchr();
378cc40b 2532char *strcpy(), *strcat();
9d116dd7 2533#endif
352d5a3a 2534#endif /* ! STANDARD_C */
8d063cd8 2535
79072805
LW		 2536
2537#ifdef I_MATH
2538# include <math.h>
2539#else
32f822de 2540START_EXTERN_C
20ce7b12
GS		 2541 double exp (double);
2542 double log (double);
2543 double log10 (double);
2544 double sqrt (double);
2545 double frexp (double,int*);
2546 double ldexp (double,int);
2547 double modf (double,double*);
2548 double sin (double);
2549 double cos (double);
2550 double atan2 (double,double);
2551 double pow (double,double);
32f822de 2552END_EXTERN_C
79072805
LW		 2553#endif
2554
aa8b85de
JH		 2555#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2556# define NV_INF LDBL_INFINITY
2557#endif
2558#if !defined(NV_INF) && defined(DBL_INFINITY)
2559# define NV_INF (NV)DBL_INFINITY
2560#endif
2561#if !defined(NV_INF) && defined(INFINITY)
2562# define NV_INF (NV)INFINITY
2563#endif
2564#if !defined(NV_INF) && defined(INF)
2565# define NV_INF (NV)INF
2566#endif
2567#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2568# define NV_INF (NV)HUGE_VALL
2569#endif
2570#if !defined(NV_INF) && defined(HUGE_VAL)
2571# define NV_INF (NV)HUGE_VAL
2572#endif
2573
2574#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2575# if !defined(NV_NAN) && defined(LDBL_NAN)
2576# define NV_NAN LDBL_NAN
2577# endif
2578# if !defined(NV_NAN) && defined(LDBL_QNAN)
2579# define NV_NAN LDBL_QNAN
2580# endif
2581# if !defined(NV_NAN) && defined(LDBL_SNAN)
2582# define NV_NAN LDBL_SNAN
2583# endif
2584#endif
2585#if !defined(NV_NAN) && defined(DBL_NAN)
2586# define NV_NAN (NV)DBL_NAN
2587#endif
2588#if !defined(NV_NAN) && defined(DBL_QNAN)
2589# define NV_NAN (NV)DBL_QNAN
2590#endif
2591#if !defined(NV_NAN) && defined(DBL_SNAN)
2592# define NV_NAN (NV)DBL_SNAN
2593#endif
2594#if !defined(NV_NAN) && defined(QNAN)
2595# define NV_NAN (NV)QNAN
2596#endif
2597#if !defined(NV_NAN) && defined(SNAN)
2598# define NV_NAN (NV)SNAN
2599#endif
2600#if !defined(NV_NAN) && defined(NAN)
2601# define NV_NAN (NV)NAN
2602#endif
2603
a0d0e21e 2604#ifndef __cplusplus
8f1f23e8 2605# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2606char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2607# else
fd8cd3a3 2608# if !defined(WIN32) && !defined(VMS)
20ce7b12 2609char *crypt (const char*, const char*);
5014db98 2610# endif /* !WIN32 */
8f1f23e8 2611# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2612# ifndef DONT_DECLARE_STD
2613# ifndef getenv
20ce7b12 2614char *getenv (const char*);
26618a56 2615# endif /* !getenv */
28ca6303 2616# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2617# ifdef _FILE_OFFSET_BITS
28ca6303 2618# if _FILE_OFFSET_BITS == 64
20ce7b12 2619Off_t lseek (int,Off_t,int);
0fc67700
JH		 2620# endif
2621# endif
bf0c440f 2622# endif
26618a56 2623# endif /* !DONT_DECLARE_STD */
20ce7b12 2624char *getlogin (void);
26618a56 2625#endif /* !__cplusplus */
79072805 2626
16d20bd9 2627#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2628#define UNLINK unlnk
20ce7b12 2629I32 unlnk (char*);
8d063cd8 2630#else
80252599 2631#define UNLINK PerlLIO_unlink
8d063cd8 2632#endif
a687059c 2633
fa0a29af
JH		 2634/* some versions of glibc are missing the setresuid() proto */
2635#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2636int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2637#endif
fa0a29af
JH		 2638/* some versions of glibc are missing the setresgid() proto */
2639#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2640int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2641#endif
2642
fe14fcc3 2643#ifndef HAS_SETREUID
85e6fe83
LW		 2644# ifdef HAS_SETRESUID
2645# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2646# define HAS_SETREUID
2647# endif
a687059c 2648#endif
fe14fcc3 2649#ifndef HAS_SETREGID
85e6fe83
LW		 2650# ifdef HAS_SETRESGID
2651# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2652# define HAS_SETREGID
2653# endif
a687059c 2654#endif
ee0007ab 2655
d543acb6 2656/* Sighandler_t defined in iperlsys.h */
ff68c719 2657
2658#ifdef HAS_SIGACTION
2659typedef struct sigaction Sigsave_t;
2660#else
2661typedef Sighandler_t Sigsave_t;
2662#endif
2663
ee0007ab
LW		 2664#define SCAN_DEF 0
2665#define SCAN_TR 1
2666#define SCAN_REPL 2
79072805
LW		 2667
2668#ifdef DEBUGGING
4633a7c4 2669# ifndef register
a0d0e21e
LW		 2670# define register
2671# endif
2672# define PAD_SV(po) pad_sv(po)
cea2e8a9 2673# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2674#else
6b88bc9c 2675# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2676# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2677#endif
2678
18f739ee 2679#ifdef MYMALLOC
772fe5b3 2680# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2681# define MALLOC_INIT \
2682 STMT_START { \
2683 PL_malloc_mutex = NULL; \
2684 MUTEX_INIT(&PL_malloc_mutex); \
2685 } STMT_END
2686# define MALLOC_TERM \
2687 STMT_START { \
2688 perl_mutex tmp = PL_malloc_mutex; \
2689 PL_malloc_mutex = NULL; \
2690 MUTEX_DESTROY(&tmp); \
2691 } STMT_END
2692# else
2693# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2694# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2695# endif
18f739ee
IZ		 2696#else
2697# define MALLOC_INIT
2698# define MALLOC_TERM
2699#endif
2700
b6d9d515 2701
0cb96387
GS		 2702typedef int (CPERLscope(*runops_proc_t)) (pTHX);
2703typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2704
940cb80d 2705/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2706#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2707
8f1f23e8
W		 2708/* NeXT has problems with crt0.o globals */
2709#if defined(__DYNAMIC__) && \
2710 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2711# if defined(NeXT) || defined(__NeXT)
2712# include <mach-o/dyld.h>
2713# define environ (*environ_pointer)
0c30d9ec 2714EXT char *** environ_pointer;
8f1f23e8 2715# else
82cabb9e 2716# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2717# include <crt_externs.h> /* for the env array */
2718# define environ (*_NSGetEnviron())
2719# endif
0c30d9ec 2720# endif
8f1f23e8
W		 2721#else
2722 /* VMS and some other platforms don't use the environ array */
13b6e58c 2723# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2724# if !defined(DONT_DECLARE_STD) || \
2725 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2726 defined(__sgi) || \
d460ef45 2727 defined(__DGUX)
8f1f23e8 2728extern char ** environ; /* environment variables supplied via exec */
a6c40364 2729# endif
8f1f23e8
W		 2730# endif
2731#endif
79072805 2732
73c4f7a1
GS		 2733START_EXTERN_C
2734
79072805 2735/* handy constants */
22c35a8c 2736EXTCONST char PL_warn_uninit[]
b89fed5f 2737 INIT("Use of uninitialized value%s%s");
22c35a8c 2738EXTCONST char PL_warn_nosemi[]
463ee0b2 2739 INIT("Semicolon seems to be missing");
22c35a8c 2740EXTCONST char PL_warn_reserved[]
463ee0b2 2741 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2742EXTCONST char PL_warn_nl[]
93a17b20 2743 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2744EXTCONST char PL_no_wrongref[]
a0d0e21e 2745 INIT("Can't use %s ref as %s ref");
22c35a8c 2746EXTCONST char PL_no_symref[]
748a9306 2747 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2748EXTCONST char PL_no_usym[]
8990e307 2749 INIT("Can't use an undefined value as %s reference");
22c35a8c 2750EXTCONST char PL_no_aelem[]
93a17b20 2751 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2752EXTCONST char PL_no_helem[]
93a17b20 2753 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2754EXTCONST char PL_no_modify[]
93a17b20 2755 INIT("Modification of a read-only value attempted");
22c35a8c 2756EXTCONST char PL_no_mem[]
93a17b20 2757 INIT("Out of memory!\n");
22c35a8c 2758EXTCONST char PL_no_security[]
463ee0b2 2759 INIT("Insecure dependency in %s%s");
22c35a8c 2760EXTCONST char PL_no_sock_func[]
93a17b20 2761 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2762EXTCONST char PL_no_dir_func[]
93a17b20 2763 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2764EXTCONST char PL_no_func[]
93a17b20 2765 INIT("The %s function is unimplemented");
22c35a8c 2766EXTCONST char PL_no_myglob[]
748a9306 2767 INIT("\"my\" variable %s can't be in a package");
93a17b20 2768
7575fa06 2769EXTCONST char PL_uuemap[65]
80252599
GS		 2770 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2771
2772
79072805 2773#ifdef DOINIT
22c35a8c
GS		 2774EXT char *PL_sig_name[] = { SIG_NAME };
2775EXT int PL_sig_num[] = { SIG_NUM };
79072805 2776#else
22c35a8c
GS		 2777EXT char *PL_sig_name[];
2778EXT int PL_sig_num[];
79072805
LW		 2779#endif
2780
3bd709b1 2781/* fast conversion and case folding tables */
bbce6d69 2782
79072805 2783#ifdef DOINIT
9d116dd7 2784#ifdef EBCDIC
22c35a8c 2785EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2786 0, 1, 2, 3, 4, 5, 6, 7,
2787 8, 9, 10, 11, 12, 13, 14, 15,
2788 16, 17, 18, 19, 20, 21, 22, 23,
2789 24, 25, 26, 27, 28, 29, 30, 31,
2790 32, 33, 34, 35, 36, 37, 38, 39,
2791 40, 41, 42, 43, 44, 45, 46, 47,
2792 48, 49, 50, 51, 52, 53, 54, 55,
2793 56, 57, 58, 59, 60, 61, 62, 63,
2794 64, 65, 66, 67, 68, 69, 70, 71,
2795 72, 73, 74, 75, 76, 77, 78, 79,
2796 80, 81, 82, 83, 84, 85, 86, 87,
2797 88, 89, 90, 91, 92, 93, 94, 95,
2798 96, 97, 98, 99, 100, 101, 102, 103,
2799 104, 105, 106, 107, 108, 109, 110, 111,
2800 112, 113, 114, 115, 116, 117, 118, 119,
2801 120, 121, 122, 123, 124, 125, 126, 127,
2802 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2803 'H', 'I', 138, 139, 140, 141, 142, 143,
2804 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2805 'Q', 'R', 154, 155, 156, 157, 158, 159,
2806 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2807 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2808 176, 177, 178, 179, 180, 181, 182, 183,
2809 184, 185, 186, 187, 188, 189, 190, 191,
2810 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2811 'h', 'i', 202, 203, 204, 205, 206, 207,
2812 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2813 'q', 'r', 218, 219, 220, 221, 222, 223,
2814 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2815 'y', 'z', 234, 235, 236, 237, 238, 239,
2816 240, 241, 242, 243, 244, 245, 246, 247,
2817 248, 249, 250, 251, 252, 253, 254, 255
2818};
2819#else /* ascii rather than ebcdic */
22c35a8c 2820EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2821 0, 1, 2, 3, 4, 5, 6, 7,
2822 8, 9, 10, 11, 12, 13, 14, 15,
2823 16, 17, 18, 19, 20, 21, 22, 23,
2824 24, 25, 26, 27, 28, 29, 30, 31,
2825 32, 33, 34, 35, 36, 37, 38, 39,
2826 40, 41, 42, 43, 44, 45, 46, 47,
2827 48, 49, 50, 51, 52, 53, 54, 55,
2828 56, 57, 58, 59, 60, 61, 62, 63,
2829 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2830 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2831 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2832 'x', 'y', 'z', 91, 92, 93, 94, 95,
2833 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2834 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2835 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2836 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2837 128, 129, 130, 131, 132, 133, 134, 135,
2838 136, 137, 138, 139, 140, 141, 142, 143,
2839 144, 145, 146, 147, 148, 149, 150, 151,
2840 152, 153, 154, 155, 156, 157, 158, 159,
2841 160, 161, 162, 163, 164, 165, 166, 167,
2842 168, 169, 170, 171, 172, 173, 174, 175,
2843 176, 177, 178, 179, 180, 181, 182, 183,
2844 184, 185, 186, 187, 188, 189, 190, 191,
2845 192, 193, 194, 195, 196, 197, 198, 199,
2846 200, 201, 202, 203, 204, 205, 206, 207,
2847 208, 209, 210, 211, 212, 213, 214, 215,
2848 216, 217, 218, 219, 220, 221, 222, 223,
2849 224, 225, 226, 227, 228, 229, 230, 231,
2850 232, 233, 234, 235, 236, 237, 238, 239,
2851 240, 241, 242, 243, 244, 245, 246, 247,
2852 248, 249, 250, 251, 252, 253, 254, 255
2853};
9d116dd7 2854#endif /* !EBCDIC */
79072805 2855#else
22c35a8c 2856EXTCONST unsigned char PL_fold[];
79072805
LW		 2857#endif
2858
2859#ifdef DOINIT
22c35a8c 2860EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2861 0, 1, 2, 3, 4, 5, 6, 7,
2862 8, 9, 10, 11, 12, 13, 14, 15,
2863 16, 17, 18, 19, 20, 21, 22, 23,
2864 24, 25, 26, 27, 28, 29, 30, 31,
2865 32, 33, 34, 35, 36, 37, 38, 39,
2866 40, 41, 42, 43, 44, 45, 46, 47,
2867 48, 49, 50, 51, 52, 53, 54, 55,
2868 56, 57, 58, 59, 60, 61, 62, 63,
2869 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2870 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2871 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2872 'x', 'y', 'z', 91, 92, 93, 94, 95,
2873 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2874 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2875 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2876 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2877 128, 129, 130, 131, 132, 133, 134, 135,
2878 136, 137, 138, 139, 140, 141, 142, 143,
2879 144, 145, 146, 147, 148, 149, 150, 151,
2880 152, 153, 154, 155, 156, 157, 158, 159,
2881 160, 161, 162, 163, 164, 165, 166, 167,
2882 168, 169, 170, 171, 172, 173, 174, 175,
2883 176, 177, 178, 179, 180, 181, 182, 183,
2884 184, 185, 186, 187, 188, 189, 190, 191,
2885 192, 193, 194, 195, 196, 197, 198, 199,
2886 200, 201, 202, 203, 204, 205, 206, 207,
2887 208, 209, 210, 211, 212, 213, 214, 215,
2888 216, 217, 218, 219, 220, 221, 222, 223,
2889 224, 225, 226, 227, 228, 229, 230, 231,
2890 232, 233, 234, 235, 236, 237, 238, 239,
2891 240, 241, 242, 243, 244, 245, 246, 247,
2892 248, 249, 250, 251, 252, 253, 254, 255
2893};
2894#else
22c35a8c 2895EXT unsigned char PL_fold_locale[];
79072805
LW		 2896#endif
2897
2898#ifdef DOINIT
9d116dd7 2899#ifdef EBCDIC
22c35a8c 2900EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2901 1, 2, 84, 151, 154, 155, 156, 157,
2902 165, 246, 250, 3, 158, 7, 18, 29,
2903 40, 51, 62, 73, 85, 96, 107, 118,
2904 129, 140, 147, 148, 149, 150, 152, 153,
2905 255, 6, 8, 9, 10, 11, 12, 13,
2906 14, 15, 24, 25, 26, 27, 28, 226,
2907 29, 30, 31, 32, 33, 43, 44, 45,
2908 46, 47, 48, 49, 50, 76, 77, 78,
2909 79, 80, 81, 82, 83, 84, 85, 86,
2910 87, 94, 95, 234, 181, 233, 187, 190,
2911 180, 96, 97, 98, 99, 100, 101, 102,
2912 104, 112, 182, 174, 236, 232, 229, 103,
2913 228, 226, 114, 115, 116, 117, 118, 119,
2914 120, 121, 122, 235, 176, 230, 194, 162,
2915 130, 131, 132, 133, 134, 135, 136, 137,
2916 138, 139, 201, 205, 163, 217, 220, 224,
2917 5, 248, 227, 244, 242, 255, 241, 231,
2918 240, 253, 16, 197, 19, 20, 21, 187,
2919 23, 169, 210, 245, 237, 249, 247, 239,
2920 168, 252, 34, 196, 36, 37, 38, 39,
2921 41, 42, 251, 254, 238, 223, 221, 213,
2922 225, 177, 52, 53, 54, 55, 56, 57,
2923 58, 59, 60, 61, 63, 64, 65, 66,
2924 67, 68, 69, 70, 71, 72, 74, 75,
2925 205, 208, 186, 202, 200, 218, 198, 179,
2926 178, 214, 88, 89, 90, 91, 92, 93,
2927 217, 166, 170, 207, 199, 209, 206, 204,
2928 160, 212, 105, 106, 108, 109, 110, 111,
2929 203, 113, 216, 215, 192, 175, 193, 243,
2930 172, 161, 123, 124, 125, 126, 127, 128,
2931 222, 219, 211, 195, 188, 193, 185, 184,
2932 191, 183, 141, 142, 143, 144, 145, 146
2933};
2934#else /* ascii rather than ebcdic */
22c35a8c 2935EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 2936 1, 2, 84, 151, 154, 155, 156, 157,
2937 165, 246, 250, 3, 158, 7, 18, 29,
2938 40, 51, 62, 73, 85, 96, 107, 118,
2939 129, 140, 147, 148, 149, 150, 152, 153,
2940 255, 182, 224, 205, 174, 176, 180, 217,
2941 233, 232, 236, 187, 235, 228, 234, 226,
2942 222, 219, 211, 195, 188, 193, 185, 184,
2943 191, 183, 201, 229, 181, 220, 194, 162,
2944 163, 208, 186, 202, 200, 218, 198, 179,
2945 178, 214, 166, 170, 207, 199, 209, 206,
2946 204, 160, 212, 216, 215, 192, 175, 173,
2947 243, 172, 161, 190, 203, 189, 164, 230,
2948 167, 248, 227, 244, 242, 255, 241, 231,
2949 240, 253, 169, 210, 245, 237, 249, 247,
2950 239, 168, 252, 251, 254, 238, 223, 221,
2951 213, 225, 177, 197, 171, 196, 159, 4,
2952 5, 6, 8, 9, 10, 11, 12, 13,
2953 14, 15, 16, 17, 19, 20, 21, 22,
2954 23, 24, 25, 26, 27, 28, 30, 31,
2955 32, 33, 34, 35, 36, 37, 38, 39,
2956 41, 42, 43, 44, 45, 46, 47, 48,
2957 49, 50, 52, 53, 54, 55, 56, 57,
2958 58, 59, 60, 61, 63, 64, 65, 66,
2959 67, 68, 69, 70, 71, 72, 74, 75,
2960 76, 77, 78, 79, 80, 81, 82, 83,
2961 86, 87, 88, 89, 90, 91, 92, 93,
2962 94, 95, 97, 98, 99, 100, 101, 102,
2963 103, 104, 105, 106, 108, 109, 110, 111,
2964 112, 113, 114, 115, 116, 117, 119, 120,
2965 121, 122, 123, 124, 125, 126, 127, 128,
2966 130, 131, 132, 133, 134, 135, 136, 137,
2967 138, 139, 141, 142, 143, 144, 145, 146
2968};
9d116dd7 2969#endif
79072805 2970#else
22c35a8c 2971EXTCONST unsigned char PL_freq[];
79072805
LW		 2972#endif
2973
8990e307
LW		 2974#ifdef DEBUGGING
2975#ifdef DOINIT
22c35a8c 2976EXTCONST char* PL_block_type[] = {
8990e307
LW		 2977 "NULL",
2978 "SUB",
2979 "EVAL",
2980 "LOOP",
2981 "SUBST",
2982 "BLOCK",
2983};
2984#else
22c35a8c 2985EXTCONST char* PL_block_type[];
8990e307
LW		 2986#endif
2987#endif
2988
73c4f7a1
GS		 2989END_EXTERN_C
2990
79072805
LW		 2991/*****************************************************************************/
2992/* This lexer/parser stuff is currently global since yacc is hard to reenter */
2993/*****************************************************************************/
8990e307 2994/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 2995
a0d0e21e
LW		 2996#include "perly.h"
2997
fb73857a 2998#define LEX_NOTPARSING 11 /* borrowed from toke.c */
2999
79072805
LW		 3000typedef enum {
3001 XOPERATOR,
3002 XTERM,
79072805 3003 XREF,
8990e307 3004 XSTATE,
a0d0e21e 3005 XBLOCK,
09bef843
SB		 3006 XATTRBLOCK,
3007 XATTRTERM,
a0d0e21e 3008 XTERMBLOCK
79072805
LW		 3009} expectation;
3010
dc9e4912
GS		 3011enum { /* pass one of these to get_vtbl */
3012 want_vtbl_sv,
3013 want_vtbl_env,
3014 want_vtbl_envelem,
3015 want_vtbl_sig,
3016 want_vtbl_sigelem,
3017 want_vtbl_pack,
3018 want_vtbl_packelem,
3019 want_vtbl_dbline,
3020 want_vtbl_isa,
3021 want_vtbl_isaelem,
3022 want_vtbl_arylen,
3023 want_vtbl_glob,
3024 want_vtbl_mglob,
3025 want_vtbl_nkeys,
3026 want_vtbl_taint,
3027 want_vtbl_substr,
3028 want_vtbl_vec,
3029 want_vtbl_pos,
3030 want_vtbl_bm,
3031 want_vtbl_fm,
3032 want_vtbl_uvar,
3033 want_vtbl_defelem,
3034 want_vtbl_regexp,
3035 want_vtbl_collxfrm,
3036 want_vtbl_amagic,
3037 want_vtbl_amagicelem,
4d1ff10f 3038#ifdef USE_5005THREADS
dc9e4912
GS		 3039 want_vtbl_mutex,
3040#endif
3041 want_vtbl_regdata,
810b8aa5
GS		 3042 want_vtbl_regdatum,
3043 want_vtbl_backref
dc9e4912
GS		 3044};
3045
85e6fe83
LW		 3046 /* Note: the lowest 8 bits are reserved for
3047 stuffing into op->op_private */
f3aa04c2 3048#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3049#define HINT_INTEGER 0x00000001
3050#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3051#define HINT_LOCALE 0x00000004
3052#define HINT_BYTES 0x00000008
393fec97 3053/* #define HINT_notused10 0x00000010 */
a0ed51b3 3054 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3055
3056#define HINT_BLOCK_SCOPE 0x00000100
3057#define HINT_STRICT_SUBS 0x00000200
3058#define HINT_STRICT_VARS 0x00000400
3059
b3ac6de7
IZ		 3060#define HINT_NEW_INTEGER 0x00001000
3061#define HINT_NEW_FLOAT 0x00002000
3062#define HINT_NEW_BINARY 0x00004000
3063#define HINT_NEW_STRING 0x00008000
3064#define HINT_NEW_RE 0x00010000
3065#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3066
b3eb6a9b 3067#define HINT_RE_TAINT 0x00100000
e4d48cc9 3068#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3069
5ff3f7a4 3070#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3071#define HINT_UTF8 0x00800000
5ff3f7a4 3072
8bfdd7d9 3073/* Various states of the input record separator SV (rs) */
d4cce5f1 3074#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3075#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3076#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3077#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3078
56953603 3079/* Enable variables which are pointers to functions */
a2efc822 3080typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3081typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3082typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3083 char* strend, char* strbeg, I32 minend,
3084 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3085typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3086 char *strpos, char *strend,
3087 U32 flags,
3088 struct re_scream_pos_data_s *d);
3089typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3090typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3091
c76ac1ee 3092typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3093typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3094typedef void (*SVFUNC_t) (pTHX_ SV*);
3095typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3096typedef void (*XSINIT_t) (pTHX);
3097typedef void (*ATEXIT_t) (pTHX_ void*);
3098typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3099
22239a37
NIS		 3100/* Set up PERLVAR macros for populating structs */
3101#define PERLVAR(var,type) type var;
51371543 3102#define PERLVARA(var,n,type) type var[n];
22239a37 3103#define PERLVARI(var,type,init) type var;
3fe35a81 3104#define PERLVARIC(var,type,init) type var;
22239a37 3105
58a50f62
GS		 3106/* Interpreter exitlist entry */
3107typedef struct exitlistentry {
acfe0abc 3108 void (*fn) (pTHX_ void*);
58a50f62
GS		 3109 void *ptr;
3110} PerlExitListEntry;
3111
22239a37
NIS		 3112#ifdef PERL_GLOBAL_STRUCT
3113struct perl_vars {
7766f137 3114# include "perlvars.h"
22239a37
NIS		 3115};
3116
7766f137 3117# ifdef PERL_CORE
533c011a
NIS		 3118EXT struct perl_vars PL_Vars;
3119EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3120# else /* PERL_CORE */
3121# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3122EXT
7766f137 3123# endif /* WIN32 */
533c011a 3124struct perl_vars *PL_VarsPtr;
7766f137
GS		 3125# define PL_Vars (*((PL_VarsPtr) \
3126 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3127# endif /* PERL_CORE */
22239a37
NIS		 3128#endif /* PERL_GLOBAL_STRUCT */
3129
acfe0abc 3130#if defined(MULTIPLICITY)
d460ef45 3131/* If we have multiple interpreters define a struct
d4cce5f1 3132 holding variables which must be per-interpreter
d460ef45 3133 If we don't have threads anything that would have
d4cce5f1
NIS		 3134 be per-thread is per-interpreter.
3135*/
3136
79072805 3137struct interpreter {
4d1ff10f 3138# ifndef USE_5005THREADS
7766f137
GS		 3139# include "thrdvar.h"
3140# endif
3141# include "intrpvar.h"
3142/*
3143 * The following is a buffer where new variables must
acfe0abc 3144 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3145 */
3146PERLVARA(object_compatibility,30, char)
49f531da 3147};
d4cce5f1 3148
79072805 3149#else
49f531da
NIS		 3150struct interpreter {
3151 char broiled;
3152};
acfe0abc 3153#endif /* MULTIPLICITY */
79072805 3154
4d1ff10f 3155#ifdef USE_5005THREADS
d4cce5f1
NIS		 3156/* If we have threads define a struct with all the variables
3157 * that have to be per-thread
49f531da 3158 */
8023c3ce 3159
79072805 3160
49f531da 3161struct perl_thread {
49f531da 3162#include "thrdvar.h"
79072805 3163};
d4cce5f1 3164
22fae026
TM		 3165typedef struct perl_thread *Thread;
3166
3167#else
3168typedef void *Thread;
22239a37
NIS		 3169#endif
3170
3171/* Done with PERLVAR macros for now ... */
d4cce5f1 3172#undef PERLVAR
51371543 3173#undef PERLVARA
d4cce5f1 3174#undef PERLVARI
3fe35a81 3175#undef PERLVARIC
79072805 3176
22239a37 3177#include "thread.h"
79072805 3178#include "pp.h"
864dbfa3
GS		 3179
3180#ifndef PERL_CALLCONV
3181# define PERL_CALLCONV
d460ef45 3182#endif
864dbfa3 3183
65f19062
GS		 3184#ifndef NEXT30_NO_ATTRIBUTE
3185# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3186# ifdef __attribute__ /* Avoid possible redefinition errors */
3187# undef __attribute__
3188# endif
3189# define __attribute__(attr)
3190# endif
3191#endif
3192
0cb96387
GS		 3193#undef PERL_CKDEF
3194#undef PERL_PPDEF
3195#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3196#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3197
7766f137 3198#include "proto.h"
864dbfa3 3199
0cb96387 3200/* this has structure inits, so it cannot be included before here */
acfe0abc 3201#include "opcode.h"
864dbfa3 3202
d4cce5f1
NIS		 3203/* The following must follow proto.h as #defines mess up syntax */
3204
22c35a8c
GS		 3205#if !defined(PERL_FOR_X2P)
3206# include "embedvar.h"
3207#endif
d4cce5f1 3208
d460ef45 3209/* Now include all the 'global' variables
d4cce5f1 3210 * If we don't have threads or multiple interpreters
d460ef45 3211 * these include variables that would have been their struct-s
d4cce5f1 3212 */
d460ef45 3213
533c011a 3214#define PERLVAR(var,type) EXT type PL_##var;
51371543 3215#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3216#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3217#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3218
acfe0abc 3219#if !defined(MULTIPLICITY)
7766f137 3220START_EXTERN_C
066ef5b5 3221# include "intrpvar.h"
4d1ff10f 3222# ifndef USE_5005THREADS
066ef5b5
GS		 3223# include "thrdvar.h"
3224# endif
7766f137 3225END_EXTERN_C
22239a37
NIS		 3226#endif
3227
acfe0abc 3228#if defined(WIN32)
22c35a8c 3229# include "embed.h"
acfe0abc 3230#endif
22239a37 3231
c5be433b
GS		 3232#ifndef PERL_GLOBAL_STRUCT
3233START_EXTERN_C
3234
3235# include "perlvars.h"
3236
3237END_EXTERN_C
3238#endif
3239
d4cce5f1 3240#undef PERLVAR
51371543 3241#undef PERLVARA
d4cce5f1 3242#undef PERLVARI
0f3f18a6 3243#undef PERLVARIC
79072805 3244
73c4f7a1
GS		 3245START_EXTERN_C
3246
79072805 3247#ifdef DOINIT
bbce6d69 3248
2b260de0
GS		 3249EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
3250 MEMBER_TO_FPTR(Perl_magic_set),
3251 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3252 0, 0};
2b260de0
GS		 3253EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3254 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3255 0};
2b260de0
GS		 3256EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3257 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3258 0};
22c35a8c 3259EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3260#ifdef PERL_MICRO
3261EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3262#else
2b260de0
GS		 3263EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3264 MEMBER_TO_FPTR(Perl_magic_setsig),
3265 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3266 0};
64ca3a65 3267#endif
2b260de0 3268EXT MGVTBL PL_vtbl_pack = {0, 0, MEMBER_TO_FPTR(Perl_magic_sizepack), MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3269 0};
2b260de0
GS		 3270EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
3271 MEMBER_TO_FPTR(Perl_magic_setpack),
3272 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3273 0};
2b260de0 3274EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3275 0, 0, 0};
2b260de0
GS		 3276EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3277 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3278 0};
2b260de0 3279EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3280 0, 0, 0};
2b260de0
GS		 3281EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3282 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3283 0, 0, 0};
2b260de0
GS		 3284EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3285 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3286 0, 0, 0};
2b260de0 3287EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3288 0, 0, 0};
2b260de0
GS		 3289EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3290 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3291 0, 0, 0};
2b260de0 3292EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3293 0, 0, 0};
2b260de0 3294EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3295 0, 0, 0};
2b260de0
GS		 3296EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
3297 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3298 0, 0, 0};
2b260de0
GS		 3299EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3300 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3301 0, 0, 0};
2b260de0 3302EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3303 0, 0, 0};
2b260de0 3304EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3305 0, 0, 0};
2b260de0
GS		 3306EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3307 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3308 0, 0, 0};
4d1ff10f 3309#ifdef USE_5005THREADS
2b260de0 3310EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3311#endif /* USE_5005THREADS */
2b260de0 3312EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3313 0, 0, 0};
a0d0e21e 3314
2b260de0
GS		 3315EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3316EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3317EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3318 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3319
36477c24 3320#ifdef USE_LOCALE_COLLATE
22c35a8c 3321EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3322 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3323 0, 0, 0};
3324#endif
a0d0e21e 3325
2b260de0
GS		 3326EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3327 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3328EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3329 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3330
810b8aa5 3331EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3332 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3333
d460ef45
NIS		 3334EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3335 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3336
bbce6d69 3337#else /* !DOINIT */
3338
22c35a8c
GS		 3339EXT MGVTBL PL_vtbl_sv;
3340EXT MGVTBL PL_vtbl_env;
3341EXT MGVTBL PL_vtbl_envelem;
3342EXT MGVTBL PL_vtbl_sig;
3343EXT MGVTBL PL_vtbl_sigelem;
3344EXT MGVTBL PL_vtbl_pack;
3345EXT MGVTBL PL_vtbl_packelem;
3346EXT MGVTBL PL_vtbl_dbline;
3347EXT MGVTBL PL_vtbl_isa;
3348EXT MGVTBL PL_vtbl_isaelem;
3349EXT MGVTBL PL_vtbl_arylen;
3350EXT MGVTBL PL_vtbl_glob;
3351EXT MGVTBL PL_vtbl_mglob;
3352EXT MGVTBL PL_vtbl_nkeys;
3353EXT MGVTBL PL_vtbl_taint;
3354EXT MGVTBL PL_vtbl_substr;
3355EXT MGVTBL PL_vtbl_vec;
3356EXT MGVTBL PL_vtbl_pos;
3357EXT MGVTBL PL_vtbl_bm;
3358EXT MGVTBL PL_vtbl_fm;
3359EXT MGVTBL PL_vtbl_uvar;
d460ef45 3360EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3361
4d1ff10f 3362#ifdef USE_5005THREADS
22c35a8c 3363EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3364#endif /* USE_5005THREADS */
f93b4edd 3365
22c35a8c
GS		 3366EXT MGVTBL PL_vtbl_defelem;
3367EXT MGVTBL PL_vtbl_regexp;
3368EXT MGVTBL PL_vtbl_regdata;
3369EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3370
36477c24 3371#ifdef USE_LOCALE_COLLATE
22c35a8c 3372EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3373#endif
a0d0e21e 3374
22c35a8c
GS		 3375EXT MGVTBL PL_vtbl_amagic;
3376EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3377
810b8aa5
GS		 3378EXT MGVTBL PL_vtbl_backref;
3379
bbce6d69 3380#endif /* !DOINIT */
85e6fe83 3381
f5284f61
IZ		 3382enum {
3383 fallback_amg, abs_amg,
3384 bool__amg, nomethod_amg,
3385 string_amg, numer_amg,
3386 add_amg, add_ass_amg,
3387 subtr_amg, subtr_ass_amg,
3388 mult_amg, mult_ass_amg,
3389 div_amg, div_ass_amg,
3390 modulo_amg, modulo_ass_amg,
3391 pow_amg, pow_ass_amg,
3392 lshift_amg, lshift_ass_amg,
3393 rshift_amg, rshift_ass_amg,
3394 band_amg, band_ass_amg,
3395 bor_amg, bor_ass_amg,
3396 bxor_amg, bxor_ass_amg,
3397 lt_amg, le_amg,
3398 gt_amg, ge_amg,
3399 eq_amg, ne_amg,
3400 ncmp_amg, scmp_amg,
3401 slt_amg, sle_amg,
3402 sgt_amg, sge_amg,
3403 seq_amg, sne_amg,
3404 not_amg, compl_amg,
3405 inc_amg, dec_amg,
3406 atan2_amg, cos_amg,
3407 sin_amg, exp_amg,
3408 log_amg, sqrt_amg,
3409 repeat_amg, repeat_ass_amg,
3410 concat_amg, concat_ass_amg,
3411 copy_amg, neg_amg,
3412 to_sv_amg, to_av_amg,
3413 to_hv_amg, to_gv_amg,
d460ef45 3414 to_cv_amg, iter_amg,
f216259d
IZ		 3415 int_amg, DESTROY_amg,
3416 max_amg_code
64a0062a 3417 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3418};
3419
3420#define NofAMmeth max_amg_code
89ffc314 3421#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3422
a0d0e21e 3423#ifdef DOINIT
22c35a8c 3424EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3425 /* Names kept in the symbol table. fallback => "()", the rest has
3426 "(" prepended. The only other place in perl which knows about
3427 this convention is AMG_id2name (used for debugging output and
3428 'nomethod' only), the only other place which has it hardwired is
3429 overload.pm. */
3430 "()", "(abs", /* "fallback" should be the first. */
3431 "(bool", "(nomethod",
3432 "(\"\"", "(0+",
3433 "(+", "(+=",
3434 "(-", "(-=",
3435 "(*", "(*=",
3436 "(/", "(/=",
3437 "(%", "(%=",
3438 "(**", "(**=",
3439 "(<<", "(<<=",
3440 "(>>", "(>>=",
3441 "(&", "(&=",
3442 "(|", "(|=",
3443 "(^", "(^=",
3444 "(<", "(<=",
3445 "(>", "(>=",
3446 "(==", "(!=",
3447 "(<=>", "(cmp",
3448 "(lt", "(le",
3449 "(gt", "(ge",
3450 "(eq", "(ne",
3451 "(!", "(~",
3452 "(++", "(--",
3453 "(atan2", "(cos",
3454 "(sin", "(exp",
3455 "(log", "(sqrt",
3456 "(x", "(x=",
3457 "(.", "(.=",
3458 "(=", "(neg",
3459 "(${}", "(@{}",
3460 "(%{}", "(*{}",
3461 "(&{}", "(<>",
f216259d 3462 "(int", "DESTROY",
a0d0e21e
LW		 3463};
3464#else
22c35a8c 3465EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3466#endif /* def INITAMAGIC */
3467
73c4f7a1
GS		 3468END_EXTERN_C
3469
a6006777 3470struct am_table {
a0d0e21e
LW		 3471 long was_ok_sub;
3472 long was_ok_am;
a6006777 3473 U32 flags;
3474 CV* table[NofAMmeth];
a0d0e21e
LW		 3475 long fallback;
3476};
a6006777 3477struct am_table_short {
3478 long was_ok_sub;
3479 long was_ok_am;
3480 U32 flags;
3481};
a0d0e21e 3482typedef struct am_table AMT;
a6006777 3483typedef struct am_table_short AMTS;
a0d0e21e
LW		 3484
3485#define AMGfallNEVER 1
3486#define AMGfallNO 2
3487#define AMGfallYES 3
3488
a6006777 3489#define AMTf_AMAGIC 1
32251b26 3490#define AMTf_OVERLOADED 2
a6006777 3491#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3492#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3493#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3494#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3495#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3496#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3497
32251b26 3498#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3499
3500/*
3501 * some compilers like to redefine cos et alia as faster
3502 * (and less accurate?) versions called F_cos et cetera (Quidquid
3503 * latine dictum sit, altum viditur.) This trick collides with
3504 * the Perl overloading (amg). The following #defines fool both.
3505 */
3506
3507#ifdef _FASTMATH
3508# ifdef atan2
3509# define F_atan2_amg atan2_amg
3510# endif
3511# ifdef cos
3512# define F_cos_amg cos_amg
3513# endif
3514# ifdef exp
3515# define F_exp_amg exp_amg
3516# endif
3517# ifdef log
3518# define F_log_amg log_amg
3519# endif
3520# ifdef pow
3521# define F_pow_amg pow_amg
3522# endif
3523# ifdef sin
3524# define F_sin_amg sin_amg
3525# endif
3526# ifdef sqrt
3527# define F_sqrt_amg sqrt_amg
3528# endif
3529#endif /* _FASTMATH */
3530
83ee9e09
GS		 3531#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3532 PERLDBf_NOOPT | PERLDBf_INTER | \
3533 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3534 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3535 /* No _NONAME, _GOTO */
3536#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3537#define PERLDBf_LINE 0x02 /* Keep line # */
3538#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3539#define PERLDBf_INTER 0x08 /* Preserve more data for
3540 later inspections */
3541#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3542#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3543#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3544#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3545#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3546#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3547
3280af22
NIS		 3548#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3549#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3550#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3551#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3552#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3553#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3554#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3555#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3556#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3557#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3558
bbce6d69 3559
36477c24 3560#ifdef USE_LOCALE_NUMERIC
bbce6d69 3561
36477c24 3562#define SET_NUMERIC_STANDARD() \
ff4fed7c 3563 set_numeric_standard();
36477c24 3564
3565#define SET_NUMERIC_LOCAL() \
ff4fed7c 3566 set_numeric_local();
bbce6d69 3567
2de3dbcc
JH		 3568#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3569#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3570
3571#define IN_LOCALE \
3572 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3573
f93f4e46 3574#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3575 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3576 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3577
3578#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3579 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3580 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3581
3582#define RESTORE_NUMERIC_LOCAL() \
3583 if (was_local) SET_NUMERIC_LOCAL();
3584
3585#define RESTORE_NUMERIC_STANDARD() \
3586 if (was_standard) SET_NUMERIC_STANDARD();
3587
5b877257 3588#define Atof my_atof
097ee67d 3589
36477c24 3590#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3591
097ee67d
JH		 3592#define SET_NUMERIC_STANDARD() /**/
3593#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3594#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3595#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3596#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3597#define RESTORE_NUMERIC_LOCAL() /**/
3598#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3599#define Atof Perl_atof
ad3e0f90 3600#define IN_LOCALE_RUNTIME 0
bbce6d69 3601
36477c24 3602#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3603
079290de 3604#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3605# ifdef __hpux
3606# define strtoll __strtoll /* secret handshake */
3607# endif
079290de
GS		 3608# if !defined(Strtol) && defined(HAS_STRTOLL)
3609# define Strtol strtoll
ad551343 3610# endif
28e5dec8
JH		 3611# if !defined(Strtol) && defined(HAS_STRTOQ)
3612# define Strtol strtoq
3613# endif
ff935051 3614/* is there atoq() anywhere? */
15b99d39 3615#endif
079290de
GS		 3616#if !defined(Strtol) && defined(HAS_STRTOL)
3617# define Strtol strtol
3618#endif
3619#ifndef Atol
3620/* It would be more fashionable to use Strtol() to define atol()
3621 * (as is done for Atoul(), see below) but for backward compatibility
3622 * we just assume atol(). */
76b882ba
JH		 3623# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3624# define Atol atoll
3625# else
3626# define Atol atol
3627# endif
cf2093f6
JH		 3628#endif
3629
55eb892c 3630#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3631# ifdef __hpux
3632# define strtoull __strtoull /* secret handshake */
3633# endif
ad551343 3634# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3635# define Strtoul strtoull
15b99d39 3636# endif
079290de
GS		 3637# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3638# define Strtoul strtouq
3639# endif
76d49b1c 3640/* is there atouq() anywhere? */
ad551343 3641#endif
079290de
GS		 3642#if !defined(Strtoul) && defined(HAS_STRTOUL)
3643# define Strtoul strtoul
cf2093f6 3644#endif
079290de
GS		 3645#ifndef Atoul
3646# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3647#endif
cf2093f6 3648
e5c9fcd0 3649#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3650/*
3651 * Now we have __attribute__ out of the way
3652 * Remap printf
760ac839 3653 */
39455587 3654#undef printf
c745e42c
NIS		 3655#ifdef __GNUC__
3656#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3657#else
760ac839
LW		 3658#define printf PerlIO_stdoutf
3659#endif
c745e42c 3660#endif
760ac839 3661
06d86050
GS		 3662/* if these never got defined, they need defaults */
3663#ifndef PERL_SET_CONTEXT
3664# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3665#endif
3666
3667#ifndef PERL_GET_CONTEXT
3668# define PERL_GET_CONTEXT PERL_GET_INTERP
3669#endif
3670
3671#ifndef PERL_GET_THX
3672# define PERL_GET_THX ((void*)NULL)
3673#endif
3674
3675#ifndef PERL_SET_THX
3676# define PERL_SET_THX(t) NOOP
3677#endif
3678
a868473f
NIS		 3679#ifndef PERL_SCRIPT_MODE
3680#define PERL_SCRIPT_MODE "r"
3681#endif
3682
fba3b22e 3683/*
da927450
JH		 3684 * Some operating systems are stingy with stack allocation,
3685 * so perl may have to guard against stack overflow.
3686 */
3687#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3688#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3689#endif
3690
3691/*
3692 * Some nonpreemptive operating systems find it convenient to
3693 * check for asynchronous conditions after each op execution.
3694 * Keep this check simple, or it may slow down execution
3695 * massively.
3696 */
ce08f86c 3697
1d615522
JH		 3698#ifndef PERL_MICRO
3699# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3700# ifndef PERL_ASYNC_CHECK
3701# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3702# endif
1d615522 3703# endif
ce08f86c
NIS		 3704#endif
3705
da927450 3706#ifndef PERL_ASYNC_CHECK
1d615522 3707# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3708#endif
3709
3710/*
3711 * On some operating systems, a memory allocation may succeed,
3712 * but put the process too close to the system's comfort limit.
3713 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3714 * it to NULL.
3715 */
3716#ifndef PERL_ALLOC_CHECK
c2af87cb 3717#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3718#endif
3719
3720/*
fba3b22e
MB		 3721 * nice_chunk and nice_chunk size need to be set
3722 * and queried under the protection of sv_mutex
3723 */
30ad99e7
MJD		 3724#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3725 void *new_chunk; \
3726 U32 new_chunk_size; \
3727 LOCK_SV_MUTEX; \
3728 new_chunk = (void *)(chunk); \
3729 new_chunk_size = (chunk_size); \
3730 if (new_chunk_size > PL_nice_chunk_size) { \
3731 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3732 PL_nice_chunk = new_chunk; \
3733 PL_nice_chunk_size = new_chunk_size; \
3734 } else { \
3735 Safefree(chunk); \
3736 } \
3737 UNLOCK_SV_MUTEX; \
3738 } STMT_END
fba3b22e 3739
bd89102f
AD		 3740#ifdef HAS_SEM
3741# include <sys/ipc.h>
3742# include <sys/sem.h>
3743# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3744 union semun {
dbba660d
TC		 3745 int val;
3746 struct semid_ds *buf;
3747 unsigned short *array;
bd89102f
AD		 3748 };
3749# endif
3750# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3751# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3752 union gccbug_semun {
3753 int val;
3754 struct semid_ds *buf;
3755 unsigned short *array;
3756 char __dummy[5];
3757 };
3758# define semun gccbug_semun
3759# endif
bd89102f
AD		 3760# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3761# else
3762# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3763# ifdef EXTRA_F_IN_SEMUN_BUF
3764# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3765# else
3766# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3767# endif
bd89102f
AD		 3768# endif
3769# endif
bd89102f 3770#endif
49f531da 3771
9a34ef1d
GS		 3772#ifdef I_FCNTL
3773# include <fcntl.h>
9a34ef1d
GS		 3774#endif
3775
3776#ifdef I_SYS_FILE
3777# include <sys/file.h>
3778#endif
3779
fa0a29af 3780#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 3781int flock(int fd, int op);
3782#endif
3783
fe52b3b7
GS		 3784#ifndef O_RDONLY
3785/* Assume UNIX defaults */
3786# define O_RDONLY 0000
3787# define O_WRONLY 0001
3788# define O_RDWR 0002
3789# define O_CREAT 0100
3790#endif
9a34ef1d 3791
16fe6d59
GS		 3792#ifndef O_BINARY
3793# define O_BINARY 0
3794#endif
3795
3796#ifndef O_TEXT
3797# define O_TEXT 0
3798#endif
3799
104d25b7
JH		 3800#ifdef IAMSUID
3801
3802#ifdef I_SYS_STATVFS
9f982a77
IG		 3803# if defined(PERL_SCO) && !defined(_SVID3)
3804# define _SVID3
3805# endif
32b3cf08
JH		 3806# include <sys/statvfs.h> /* for f?statvfs() */
3807#endif
3808#ifdef I_SYS_MOUNT
3809# include <sys/mount.h> /* for *BSD f?statfs() */
3810#endif
3811#ifdef I_MNTENT
3812# include <mntent.h> /* for getmntent() */
104d25b7 3813#endif
0545a864
JH		 3814#ifdef I_SYS_STATFS
3815# include <sys/statfs.h> /* for some statfs() */
3816#endif
3817#ifdef I_SYS_VFS
8d9e1a19
GS		 3818# ifdef __sgi
3819# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
3820# endif
3821# include <sys/vfs.h> /* for some statfs() */
3822# ifdef __sgi
3823# undef IRIX_sv
3824# endif
0545a864
JH		 3825#endif
3826#ifdef I_USTAT
3827# include <ustat.h> /* for ustat() */
3828#endif
3829
3830#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
3831# define PERL_MOUNT_NOSUID MOUNT_NOSUID
3832#endif
3833#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
3834# define PERL_MOUNT_NOSUID MNT_NOSUID
3835#endif
3836#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
3837# define PERL_MOUNT_NOSUID MS_NOSUID
3838#endif
3839#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
3840# define PERL_MOUNT_NOSUID M_NOSUID
3841#endif
104d25b7
JH		 3842
3843#endif /* IAMSUID */
3844
4bc88a62
PS		 3845#ifdef I_LIBUTIL
3846# include <libutil.h> /* setproctitle() in some FreeBSDs */
3847#endif
3848
b4748376
NIS		 3849#ifndef EXEC_ARGV_CAST
3850#define EXEC_ARGV_CAST(x) x
3851#endif
3852
dd5dc04f
JH		 3853#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
3854 int). value returned in pointed-
3855 to UV */
3856#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
3857#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
3858#define IS_NUMBER_NEG 0x08 /* leading minus sign */
3859#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 3860#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 3861
3862#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
3863
53305cf1
NC		 3864/* Input flags: */
3865#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 3866#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 3867/* Output flags: */
3868#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
3869
2c4f7f0e
DM		 3870/* to let user control profiling */
3871#ifdef PERL_GPROF_CONTROL
3872extern void moncontrol(int);
3873#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
3874#else
3875#define PERL_GPROF_MONCONTROL(x)
3876#endif
3877
4d8076ea 3878/* and finally... */
cceca5ed 3879#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3880#include "patchlevel.h"
cceca5ed 3881#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 3882
43999f95 3883/* Mention
d460ef45 3884
43999f95 3885 NV_PRESERVES_UV
fe749a9f 3886
fe749a9f
JH		 3887 HAS_MKSTEMP
3888 HAS_MKSTEMPS
3889 HAS_MKDTEMP
3890
49dabb45
JH		 3891 HAS_GETCWD
3892
d59b5429 3893 HAS_MMAP
fe749a9f
JH		 3894 HAS_MPROTECT
3895 HAS_MSYNC
1e8c3fde 3896 HAS_MADVISE
fe749a9f
JH		 3897 HAS_MUNMAP
3898 I_SYSMMAN
3899 Mmap_t
3900
6b4667fc
A		 3901 NVef
3902 NVff
3903 NVgf
3904
4e0554ec
JH		 3905 HAS_USLEEP
3906 HAS_UALARM
3907
3908 HAS_SETITIMER
3909 HAS_GETITIMER
3910
3911 HAS_SENDMSG
3912 HAS_RECVMSG
3913 HAS_READV
3914 HAS_WRITEV
3915 I_SYSUIO
3916 HAS_STRUCT_MSGHDR
3917 HAS_STRUCT_CMSGHDR
3918
2765b840
JH		 3919 HAS_NL_LANGINFO
3920
43999f95
JH		 3921 so that Configure picks them up. */
3922
e1caacb4
JH		 3923#ifdef UNDER_CE
3924#include "wince.h"
3925#endif
3926
85e6fe83 3927#endif /* Include guard */
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