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Re: [perl #32498] h2xs generates incorrect code for Makefile.PL for enums
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
b5f8cc5c 4 * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
026fd48b
GH		 68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
10bc17b6
JH		 74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 77# define USE_REENTRANT_API
78#endif
79
ac6bedea
JH		 80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
af28e889 82/*
6239f2da
JH		 83 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
84 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 85 * __bsdi__ for BSD/OS
86 */
6239f2da 87#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 88# ifndef BSDish
89# define BSDish
90# endif
91#endif
92
c5be433b 93#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 94# ifndef MULTIPLICITY
95# define MULTIPLICITY
c5be433b 96# endif
3db8f154
MB		 97# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
98# define aTHX my_perl
99# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 100# define dTHX pTHX = PERL_GET_THX
c5be433b 101# define pTHX_ pTHX,
c5be433b 102# define aTHX_ aTHX,
894356b3
GS		 103# define pTHX_1 2
104# define pTHX_2 3
105# define pTHX_3 4
106# define pTHX_4 5
c5be433b
GS		 107#endif
108
76e3520e
GS		 109#define STATIC static
110#define CPERLscope(x) x
565764a8 111#define CPERLarg void
76e3520e 112#define CPERLarg_
e3b8966e 113#define _CPERLarg
1d583055
GS		 114#define PERL_OBJECT_THIS
115#define _PERL_OBJECT_THIS
116#define PERL_OBJECT_THIS_
312caa8e 117#define CALL_FPTR(fptr) (*fptr)
76e3520e 118
312caa8e
CS		 119#define CALLRUNOPS CALL_FPTR(PL_runops)
120#define CALLREGCOMP CALL_FPTR(PL_regcompp)
121#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 122#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
123#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
124#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 125
44dbb695 126#ifdef HASATTRIBUTE
94b00aa4 127# if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
3da75212
MB		 128# define PERL_UNUSED_DECL
129# else
130# define PERL_UNUSED_DECL __attribute__((unused))
131# endif
44dbb695
JH		 132#else
133# define PERL_UNUSED_DECL
134#endif
135
349b520e
DM		 136/* gcc -Wall:
137 * for silencing unused variables that are actually used most of the time,
138 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
139 */
140#define PERL_UNUSED_VAR(var) if (0) var = var
141
0cb96387 142#define NOOP (void)0
44dbb695 143#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 144
0cb96387
GS		 145#ifndef pTHX
146# define pTHX void
147# define pTHX_
0cb96387
GS		 148# define aTHX
149# define aTHX_
0cb96387
GS		 150# define dTHXa(a) dNOOP
151# define dTHX dNOOP
894356b3
GS		 152# define pTHX_1 1
153# define pTHX_2 2
154# define pTHX_3 3
155# define pTHX_4 4
0cb96387
GS		 156#endif
157
b4f7f263
GS		 158/* these are only defined for compatibility; should not be used internally */
159#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 160# define pTHXo pTHX
161# define pTHXo_ pTHX_
0cb96387
GS		 162# define aTHXo aTHX
163# define aTHXo_ aTHX_
c5be433b 164# define dTHXo dTHX
71d280e3 165# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 166#endif
167
168#ifndef pTHXx
169# define pTHXx register PerlInterpreter *my_perl
170# define pTHXx_ pTHXx,
0cb96387
GS		 171# define aTHXx my_perl
172# define aTHXx_ aTHXx,
c5be433b 173# define dTHXx dTHX
22c35a8c 174#endif
71be2cbc 175
1de7c2ac
GS		 176/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
177 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
178 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
179#ifdef PERL_IMPLICIT_SYS
180# define dTHXs dTHX
181#else
182# define dTHXs dNOOP
183#endif
184
326b05e3
GS		 185#undef START_EXTERN_C
186#undef END_EXTERN_C
187#undef EXTERN_C
32f822de
GS		 188#ifdef __cplusplus
189# define START_EXTERN_C extern "C" {
190# define END_EXTERN_C }
191# define EXTERN_C extern "C"
192#else
d460ef45
NIS		 193# define START_EXTERN_C
194# define END_EXTERN_C
73c4f7a1 195# define EXTERN_C extern
32f822de
GS		 196#endif
197
462e5cf6
MB		 198#ifdef OP_IN_REGISTER
199# ifdef __GNUC__
200# define stringify_immed(s) #s
201# define stringify(s) stringify_immed(s)
d1ca3daa 202register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 203# endif
204#endif
205
5dc8bdac
JH		 206#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
207# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
208#endif
209
728e2803 210/*
211 * STMT_START { statements; } STMT_END;
212 * can be used as a single statement, as in
213 * if (x) STMT_START { ... } STMT_END; else ...
214 *
215 * Trying to select a version that gives no warnings...
216 */
217#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 218# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 219# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
220# define STMT_END )
221# else
222 /* Now which other defined()s do we need here ??? */
93189314 223# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 224# define STMT_START if (1)
225# define STMT_END else (void)0
226# else
227# define STMT_START do
228# define STMT_END while (0)
229# endif
230# endif
231#endif
232
0cb96387 233#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 234#define WITH_THR(s) WITH_THX(s)
ea0efc06 235
55497cff 236/*
237 * SOFT_CAST can be used for args to prototyped functions to retain some
238 * type checking; it only casts if the compiler does not know prototypes.
239 */
240#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
241#define SOFT_CAST(type)
242#else
243#define SOFT_CAST(type) (type)
244#endif
79072805 245
d6f9c181
JH		 246#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
247# define BYTEORDER 0x1234
79072805
LW		 248#endif
249
250/* Overall memory policy? */
251#ifndef CONSERVATIVE
252# define LIBERAL 1
253#endif
254
8ada0baa
JH		 255#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
256#define ASCIIish
257#else
258#undef ASCIIish
259#endif
260
79072805
LW		 261/*
262 * The following contortions are brought to you on behalf of all the
263 * standards, semi-standards, de facto standards, not-so-de-facto standards
264 * of the world, as well as all the other botches anyone ever thought of.
265 * The basic theory is that if we work hard enough here, the rest of the
266 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
267 */
ac58e20f 268
ee0007ab 269/* define this once if either system, instead of cluttering up the src */
2986a63f 270#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 271#define DOSISH 1
272#endif
273
2986a63f 274#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 275# define STANDARD_C 1
276#endif
277
a03dbf46 278#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 279# define DONT_DECLARE_STD 1
280#endif
281
352d5a3a 282#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 283# ifdef __cplusplus
cb69f87a 284# define VOL /* to temporarily suppress warnings */
79072805
LW		 285# else
286# define VOL volatile
287# endif
663a0e37 288#else
79072805 289# define VOL
663a0e37
LW		 290#endif
291
3280af22
NIS		 292#define TAINT (PL_tainted = TRUE)
293#define TAINT_NOT (PL_tainted = FALSE)
294#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
295#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 296#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 297
d460ef45 298/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 299 defines move there? If so, I could simplify this a lot. --AD 9/96.
300*/
301/* Process group stuff changed from traditional BSD to POSIX.
302 perlfunc.pod documents the traditional BSD-style syntax, so we'll
303 try to preserve that, if possible.
304*/
305#ifdef HAS_SETPGID
306# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 307#else
a6e633de 308# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
309# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
310# else
311# ifdef HAS_SETPGRP2 /* DG/UX */
312# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
313# endif
314# endif
315#endif
316#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
317# define HAS_SETPGRP /* Well, effectively it does . . . */
318#endif
319
320/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
321 our life easier :-) so we'll try it.
322*/
323#ifdef HAS_GETPGID
324# define BSD_GETPGRP(pid) getpgid((pid))
325#else
326# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
327# define BSD_GETPGRP(pid) getpgrp((pid))
328# else
329# ifdef HAS_GETPGRP2 /* DG/UX */
330# define BSD_GETPGRP(pid) getpgrp2((pid))
331# endif
332# endif
333#endif
334#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
335# define HAS_GETPGRP /* Well, effectively it does . . . */
336#endif
337
d460ef45 338/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 339 have different behaviors, but perl.h used to define USE_BSDPGRP
340 (prior to 5.003_05) so some extension might depend on it.
341*/
342#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
343# ifndef USE_BSDPGRP
344# define USE_BSDPGRP
345# endif
663a0e37
LW		 346#endif
347
8ac5a1fe
MH		 348/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
349 pthread.h must be included before all other header files.
350*/
3db8f154 351#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 352# include <pthread.h>
353#endif
354
760ac839
LW		 355#ifndef _TYPES_ /* If types.h defines this it's easy. */
356# ifndef major /* Does everyone's types.h define this? */
357# include <sys/types.h>
c07a80fd 358# endif
663a0e37
LW		 359#endif
360
760ac839
LW		 361#ifdef __cplusplus
362# ifndef I_STDARG
363# define I_STDARG 1
364# endif
365#endif
366
367#ifdef I_STDARG
368# include <stdarg.h>
369#else
370# ifdef I_VARARGS
371# include <varargs.h>
372# endif
373#endif
374
4633a7c4 375#ifdef USE_NEXT_CTYPE
0c30d9ec 376
092bebab
JH		 377#if NX_CURRENT_COMPILER_RELEASE >= 500
378# include <bsd/ctypes.h>
379#else
380# if NX_CURRENT_COMPILER_RELEASE >= 400
381# include <objc/NXCType.h>
382# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
383# include <appkit/NXCType.h>
384# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
385#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 386
387#else /* !USE_NEXT_CTYPE */
fe14fcc3 388#include <ctype.h>
0c30d9ec 389#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 390
391#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
392#undef METHOD
a0d0e21e
LW		 393#endif
394
12ae5dfc
JH		 395#ifdef PERL_MICRO
396# define NO_LOCALE
397#endif
398
4633a7c4 399#ifdef I_LOCALE
36477c24 400# include <locale.h>
4633a7c4
LW		 401#endif
402
36477c24 403#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
404# define USE_LOCALE
405# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
406 && defined(HAS_STRXFRM)
407# define USE_LOCALE_COLLATE
408# endif
409# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
410# define USE_LOCALE_CTYPE
411# endif
412# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
413# define USE_LOCALE_NUMERIC
414# endif
415#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 416
fe14fcc3 417#include <setjmp.h>
79072805 418
a0d0e21e 419#ifdef I_SYS_PARAM
79072805
LW		 420# ifdef PARAM_NEEDS_TYPES
421# include <sys/types.h>
422# endif
423# include <sys/param.h>
352d5a3a 424#endif
79072805 425
79072805 426/* Use all the "standard" definitions? */
a0d0e21e 427#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 428# include <stdlib.h>
ff68c719 429#endif
03a14243 430
3f270f98
JH		 431/* If this causes problems, set i_unistd=undef in the hint file. */
432#ifdef I_UNISTD
433# include <unistd.h>
434#endif
435
7114a2d2 436#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 437int syscall(int, ...);
438#endif
439
7114a2d2 440#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 441int usleep(unsigned int);
2ef53570
JH		 442#endif
443
9a34ef1d
GS		 444#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
445# define MYSWAP
446#endif
447
1109a392
MHM		 448#ifdef PERL_CORE
449
450/* macros for correct constant construction */
451# if INTSIZE >= 2
452# define U16_CONST(x) ((U16)x##U)
453# else
454# define U16_CONST(x) ((U16)x##UL)
455# endif
456
457# if INTSIZE >= 4
458# define U32_CONST(x) ((U32)x##U)
459# else
460# define U32_CONST(x) ((U32)x##UL)
461# endif
462
463# ifdef HAS_QUAD
464# if INTSIZE >= 8
465# define U64_CONST(x) ((U64)x##U)
466# elif LONGSIZE >= 8
467# define U64_CONST(x) ((U64)x##UL)
468# elif QUADKIND == QUAD_IS_LONG_LONG
469# define U64_CONST(x) ((U64)x##ULL)
470# else /* best guess we can make */
471# define U64_CONST(x) ((U64)x##UL)
472# endif
473# endif
474
475/* byte-swapping functions for big-/little-endian conversion */
476# define _swab_16_(x) ((U16)( \
477 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
478 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
479
480# define _swab_32_(x) ((U32)( \
481 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
482 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
483 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
484 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
485
486# ifdef HAS_QUAD
487# define _swab_64_(x) ((U64)( \
488 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
489 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
490 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
491 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
492 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
493 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
494 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
495 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
496# endif
497
498/*----------------------------------------------------------------------------*/
499# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
500/*----------------------------------------------------------------------------*/
501# define my_htole16(x) (x)
502# define my_letoh16(x) (x)
503# define my_htole32(x) (x)
504# define my_letoh32(x) (x)
505# define my_htobe16(x) _swab_16_(x)
506# define my_betoh16(x) _swab_16_(x)
507# define my_htobe32(x) _swab_32_(x)
508# define my_betoh32(x) _swab_32_(x)
509# ifdef HAS_QUAD
510# define my_htole64(x) (x)
511# define my_letoh64(x) (x)
512# define my_htobe64(x) _swab_64_(x)
513# define my_betoh64(x) _swab_64_(x)
514# endif
515# define my_htoles(x) (x)
516# define my_letohs(x) (x)
517# define my_htolei(x) (x)
518# define my_letohi(x) (x)
519# define my_htolel(x) (x)
520# define my_letohl(x) (x)
521# if SHORTSIZE == 1
522# define my_htobes(x) (x)
523# define my_betohs(x) (x)
524# elif SHORTSIZE == 2
525# define my_htobes(x) _swab_16_(x)
526# define my_betohs(x) _swab_16_(x)
527# elif SHORTSIZE == 4
528# define my_htobes(x) _swab_32_(x)
529# define my_betohs(x) _swab_32_(x)
530# elif SHORTSIZE == 8
531# define my_htobes(x) _swab_64_(x)
532# define my_betohs(x) _swab_64_(x)
533# else
534# define PERL_NEED_MY_HTOBES
535# define PERL_NEED_MY_BETOHS
536# endif
537# if INTSIZE == 1
538# define my_htobei(x) (x)
539# define my_betohi(x) (x)
540# elif INTSIZE == 2
541# define my_htobei(x) _swab_16_(x)
542# define my_betohi(x) _swab_16_(x)
543# elif INTSIZE == 4
544# define my_htobei(x) _swab_32_(x)
545# define my_betohi(x) _swab_32_(x)
546# elif INTSIZE == 8
547# define my_htobei(x) _swab_64_(x)
548# define my_betohi(x) _swab_64_(x)
549# else
550# define PERL_NEED_MY_HTOBEI
551# define PERL_NEED_MY_BETOHI
552# endif
553# if LONGSIZE == 1
554# define my_htobel(x) (x)
555# define my_betohl(x) (x)
556# elif LONGSIZE == 2
557# define my_htobel(x) _swab_16_(x)
558# define my_betohl(x) _swab_16_(x)
559# elif LONGSIZE == 4
560# define my_htobel(x) _swab_32_(x)
561# define my_betohl(x) _swab_32_(x)
562# elif LONGSIZE == 8
563# define my_htobel(x) _swab_64_(x)
564# define my_betohl(x) _swab_64_(x)
565# else
566# define PERL_NEED_MY_HTOBEL
567# define PERL_NEED_MY_BETOHL
568# endif
569# define my_htolen(p,n) NOOP
570# define my_letohn(p,n) NOOP
571# define my_htoben(p,n) my_swabn(p,n)
572# define my_betohn(p,n) my_swabn(p,n)
573/*----------------------------------------------------------------------------*/
574# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
575/*----------------------------------------------------------------------------*/
576# define my_htobe16(x) (x)
577# define my_betoh16(x) (x)
578# define my_htobe32(x) (x)
579# define my_betoh32(x) (x)
580# define my_htole16(x) _swab_16_(x)
581# define my_letoh16(x) _swab_16_(x)
582# define my_htole32(x) _swab_32_(x)
583# define my_letoh32(x) _swab_32_(x)
584# ifdef HAS_QUAD
585# define my_htobe64(x) (x)
586# define my_betoh64(x) (x)
587# define my_htole64(x) _swab_64_(x)
588# define my_letoh64(x) _swab_64_(x)
589# endif
590# define my_htobes(x) (x)
591# define my_betohs(x) (x)
592# define my_htobei(x) (x)
593# define my_betohi(x) (x)
594# define my_htobel(x) (x)
595# define my_betohl(x) (x)
596# if SHORTSIZE == 1
597# define my_htoles(x) (x)
598# define my_letohs(x) (x)
599# elif SHORTSIZE == 2
600# define my_htoles(x) _swab_16_(x)
601# define my_letohs(x) _swab_16_(x)
602# elif SHORTSIZE == 4
603# define my_htoles(x) _swab_32_(x)
604# define my_letohs(x) _swab_32_(x)
605# elif SHORTSIZE == 8
606# define my_htoles(x) _swab_64_(x)
607# define my_letohs(x) _swab_64_(x)
608# else
609# define PERL_NEED_MY_HTOLES
610# define PERL_NEED_MY_LETOHS
611# endif
612# if INTSIZE == 1
613# define my_htolei(x) (x)
614# define my_letohi(x) (x)
615# elif INTSIZE == 2
616# define my_htolei(x) _swab_16_(x)
617# define my_letohi(x) _swab_16_(x)
618# elif INTSIZE == 4
619# define my_htolei(x) _swab_32_(x)
620# define my_letohi(x) _swab_32_(x)
621# elif INTSIZE == 8
622# define my_htolei(x) _swab_64_(x)
623# define my_letohi(x) _swab_64_(x)
624# else
625# define PERL_NEED_MY_HTOLEI
626# define PERL_NEED_MY_LETOHI
627# endif
628# if LONGSIZE == 1
629# define my_htolel(x) (x)
630# define my_letohl(x) (x)
631# elif LONGSIZE == 2
632# define my_htolel(x) _swab_16_(x)
633# define my_letohl(x) _swab_16_(x)
634# elif LONGSIZE == 4
635# define my_htolel(x) _swab_32_(x)
636# define my_letohl(x) _swab_32_(x)
637# elif LONGSIZE == 8
638# define my_htolel(x) _swab_64_(x)
639# define my_letohl(x) _swab_64_(x)
640# else
641# define PERL_NEED_MY_HTOLEL
642# define PERL_NEED_MY_LETOHL
643# endif
644# define my_htolen(p,n) my_swabn(p,n)
645# define my_letohn(p,n) my_swabn(p,n)
646# define my_htoben(p,n) NOOP
647# define my_betohn(p,n) NOOP
648/*----------------------------------------------------------------------------*/
649# else /* all other byte-orders */
650/*----------------------------------------------------------------------------*/
651# define PERL_NEED_MY_HTOLE16
652# define PERL_NEED_MY_LETOH16
653# define PERL_NEED_MY_HTOBE16
654# define PERL_NEED_MY_BETOH16
655# define PERL_NEED_MY_HTOLE32
656# define PERL_NEED_MY_LETOH32
657# define PERL_NEED_MY_HTOBE32
658# define PERL_NEED_MY_BETOH32
659# ifdef HAS_QUAD
660# define PERL_NEED_MY_HTOLE64
661# define PERL_NEED_MY_LETOH64
662# define PERL_NEED_MY_HTOBE64
663# define PERL_NEED_MY_BETOH64
664# endif
665# define PERL_NEED_MY_HTOLES
666# define PERL_NEED_MY_LETOHS
667# define PERL_NEED_MY_HTOBES
668# define PERL_NEED_MY_BETOHS
669# define PERL_NEED_MY_HTOLEI
670# define PERL_NEED_MY_LETOHI
671# define PERL_NEED_MY_HTOBEI
672# define PERL_NEED_MY_BETOHI
673# define PERL_NEED_MY_HTOLEL
674# define PERL_NEED_MY_LETOHL
675# define PERL_NEED_MY_HTOBEL
676# define PERL_NEED_MY_BETOHL
677/*----------------------------------------------------------------------------*/
678# endif /* end of byte-order macros */
679/*----------------------------------------------------------------------------*/
680
681#endif /* PERL_CORE */
682
66a93824
NIS		 683/* Cannot include embed.h here on Win32 as win32.h has not
684 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
685 */
96e176bf 686#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 687# include "embed.h"
688#endif
689
c31fac66
GS		 690#define MEM_SIZE Size_t
691
51371543
GS		 692#if defined(STANDARD_C) && defined(I_STDDEF)
693# include <stddef.h>
694# define STRUCT_OFFSET(s,m) offsetof(s,m)
695#else
696# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
697#endif
698
699#if defined(I_STRING) || defined(__cplusplus)
700# include <string.h>
701#else
702# include <strings.h>
703#endif
704
55497cff 705/* This comes after <stdlib.h> so we don't try to change the standard
706 * library prototypes; we'll use our own in proto.h instead. */
03a14243 707
4633a7c4 708#ifdef MYMALLOC
86058a2d 709# ifdef PERL_POLLUTE_MALLOC
ee13e175 710# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 711# define Perl_malloc malloc
712# define Perl_calloc calloc
713# define Perl_realloc realloc
714# define Perl_mfree free
ee13e175 715# endif
86058a2d
GS		 716# else
717# define EMBEDMYMALLOC /* for compatibility */
718# endif
827e134a 719
651b9576
GS		 720# define safemalloc Perl_malloc
721# define safecalloc Perl_calloc
722# define saferealloc Perl_realloc
723# define safefree Perl_mfree
22f7c9c9
JH		 724# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
725 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
726 code; \
727 } STMT_END
728# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
729 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
730# define panic_write2(s) write(2, s, strlen(s))
731# define CHECK_MALLOC_TAINT(newval) \
732 CHECK_MALLOC_TOO_LATE_FOR_( \
733 if (newval) { \
734 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
735 exit(1); })
22f7c9c9 736# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 737 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 738 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
739 }} STMT_END;
f2517201
GS		 740#else /* MYMALLOC */
741# define safemalloc safesysmalloc
742# define safecalloc safesyscalloc
743# define saferealloc safesysrealloc
744# define safefree safesysfree
22f7c9c9
JH		 745# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
746# define CHECK_MALLOC_TAINT(newval) ((void)0)
747# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 748#endif /* MYMALLOC */
4633a7c4 749
baa9ab13 750#define TOO_LATE_FOR_(ch,s) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), s)
22f7c9c9
JH		 751#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
752#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
753#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
754
a0d0e21e
LW		 755#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
756#define strchr index
757#define strrchr rindex
758#endif
759
16d20bd9
AD		 760#ifdef I_MEMORY
761# include <memory.h>
762#endif
763
fe14fcc3 764#ifdef HAS_MEMCPY
85e6fe83 765# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 766# ifndef memcpy
20ce7b12 767 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 768# endif
769# endif
770#else
771# ifndef memcpy
772# ifdef HAS_BCOPY
773# define memcpy(d,s,l) bcopy(s,d,l)
774# else
775# define memcpy(d,s,l) my_bcopy(s,d,l)
776# endif
777# endif
778#endif /* HAS_MEMCPY */
fe14fcc3 779
ee0007ab 780#ifdef HAS_MEMSET
85e6fe83 781# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 782# ifndef memset
20ce7b12 783 extern char *memset (char*, int, int);
ee0007ab
LW		 784# endif
785# endif
ee0007ab 786#else
12ae5dfc 787# undef memset
fc36a67e 788# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 789#endif /* HAS_MEMSET */
790
85e6fe83 791#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 792# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 793# define memmove(d,s,l) bcopy(s,d,l)
794# else
2304df62 795# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 796# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 797# else
79072805 798# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 799# endif
352d5a3a 800# endif
d9d8d8de 801#endif
ee0007ab 802
36477c24 803#if defined(mips) && defined(ultrix) && !defined(__STDC__)
804# undef HAS_MEMCMP
805#endif
806
807#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 808# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 809# ifndef memcmp
20ce7b12 810 extern int memcmp (char*, char*, int);
ee0007ab
LW		 811# endif
812# endif
36477c24 813# ifdef BUGGY_MSC
7e4e8c89 814# pragma function(memcmp)
36477c24 815# endif
ee0007ab
LW		 816#else
817# ifndef memcmp
ecfc5424 818# define memcmp my_memcmp
352d5a3a 819# endif
36477c24 820#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 821
fc36a67e 822#ifndef memzero
c635e13b 823# ifdef HAS_MEMSET
824# define memzero(d,l) memset(d,0,l)
79072805 825# else
c635e13b 826# ifdef HAS_BZERO
827# define memzero(d,l) bzero(d,l)
79072805 828# else
fc36a67e 829# define memzero(d,l) my_bzero(d,l)
79072805
LW		 830# endif
831# endif
d9d8d8de 832#endif
378cc40b 833
2f42fcb0 834#ifndef PERL_MICRO
0f27ced1
JH		 835#ifndef memchr
836# ifndef HAS_MEMCHR
837# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
838# endif
839#endif
2f42fcb0 840#endif
0f27ced1 841
36477c24 842#ifndef HAS_BCMP
843# ifndef bcmp
844# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 845# endif
36477c24 846#endif /* !HAS_BCMP */
378cc40b 847
ae986130 848#ifdef I_NETINET_IN
79072805 849# include <netinet/in.h>
ae986130
LW		 850#endif
851
28e8609d
JH		 852#ifdef I_ARPA_INET
853# include <arpa/inet.h>
854#endif
855
84902520
TB		 856#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
857/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
858 * (the neo-BSD seem to do this). */
859# undef SF_APPEND
860#endif
861
1aef975c 862#ifdef I_SYS_STAT
84902520 863# include <sys/stat.h>
1aef975c 864#endif
79072805 865
a0d0e21e
LW		 866/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
867 like UTekV) are broken, sometimes giving false positives. Undefine
868 them here and let the code below set them to proper values.
869
870 The ghs macro stands for GreenHills Software C-1.8.5 which
871 is the C compiler for sysV88 and the various derivatives.
872 This header file bug is corrected in gcc-2.5.8 and later versions.
873 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
874
875#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 876# undef S_ISDIR
877# undef S_ISCHR
878# undef S_ISBLK
879# undef S_ISREG
880# undef S_ISFIFO
881# undef S_ISLNK
ee0007ab 882#endif
135863df 883
663a0e37
LW		 884#ifdef I_TIME
885# include <time.h>
ffed7fef 886#endif
663a0e37 887
fe14fcc3 888#ifdef I_SYS_TIME
85e6fe83 889# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 890# define KERNEL
891# endif
892# include <sys/time.h>
85e6fe83 893# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 894# undef KERNEL
895# endif
a687059c 896#endif
135863df 897
55497cff 898#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 899# include <sys/times.h>
d9d8d8de 900#endif
8d063cd8 901
fe14fcc3 902#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 903# undef HAS_STRERROR
663a0e37
LW		 904#endif
905
906#include <errno.h>
1e743fda 907
acfe0abc 908#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 909# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
910#endif
911
8cfab5ff
JH		 912/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
913 * This is important for using IPv6.
914 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
915 * a bad idea since it breaks send() and recv(). */
916#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
917# define _SOCKADDR_LEN
918#endif
919
8d3f517a 920#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 921# include <sys/socket.h>
922# if defined(USE_SOCKS) && defined(I_SOCKS)
923# if !defined(INCLUDE_PROTOTYPES)
924# define INCLUDE_PROTOTYPES /* for <socks.h> */
925# define PERL_SOCKS_NEED_PROTOTYPES
926# endif
927# include <socks.h>
928# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
929# undef INCLUDE_PROTOTYPES
930# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 931# endif
d460ef45 932# endif
1e743fda 933# ifdef I_NETDB
2986a63f
JH		 934# ifdef NETWARE
935# include<stdio.h>
936# endif
1e743fda
JH		 937# include <netdb.h>
938# endif
939# ifndef ENOTSOCK
940# ifdef I_NET_ERRNO
941# include <net/errno.h>
942# endif
943# endif
944#endif
945
fa0a29af 946/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 947 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
948 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 949#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 950# if defined(__THROW) && defined(__GLIBC__)
951int sockatmark(int) __THROW;
952# else
2ef53570 953int sockatmark(int);
29820b6d 954# endif
2ef53570
JH		 955#endif
956
1e743fda
JH		 957#ifdef SETERRNO
958# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 959#endif
f86702cc 960
961#ifdef VMS
962# define SETERRNO(errcode,vmserrcode) \
963 STMT_START { \
964 set_errno(errcode); \
965 set_vaxc_errno(vmserrcode); \
966 } STMT_END
93189314
JH		 967# define LIB_INVARG LIB$_INVARG
968# define RMS_DIR RMS$_DIR
969# define RMS_FAC RMS$_FAC
970# define RMS_FEX RMS$_FEX
971# define RMS_FNF RMS$_FNF
972# define RMS_IFI RMS$_IFI
973# define RMS_ISI RMS$_ISI
974# define RMS_PRV RMS$_PRV
975# define SS_ACCVIO SS$_ACCVIO
976# define SS_DEVOFFLINE SS$_DEVOFFLINE
977# define SS_IVCHAN SS$_IVCHAN
978# define SS_NORMAL SS$_NORMAL
748a9306 979#else
aba27d88 980# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 981# define LIB_INVARG 0
982# define RMS_DIR 0
983# define RMS_FAC 0
984# define RMS_FEX 0
985# define RMS_FNF 0
986# define RMS_IFI 0
987# define RMS_ISI 0
988# define RMS_PRV 0
989# define SS_ACCVIO 0
990# define SS_DEVOFFLINE 0
991# define SS_IVCHAN 0
992# define SS_NORMAL 0
748a9306 993#endif
ed6116ce 994
3db8f154
MB		 995#define ERRSV GvSV(PL_errgv)
996#define DEFSV GvSV(PL_defgv)
997#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 998
98eae8f5
GS		 999#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1000
55497cff 1001#ifndef errno
5ff3f7a4
GS		 1002 extern int errno; /* ANSI allows errno to be an lvalue expr.
1003 * For example in multithreaded environments
1004 * something like this might happen:
1005 * extern int *_errno(void);
1006 * #define errno (*_errno()) */
d9d8d8de 1007#endif
663a0e37 1008
2304df62 1009#ifdef HAS_STRERROR
a0d0e21e 1010# ifdef VMS
20ce7b12 1011 char *strerror (int,...);
a0d0e21e 1012# else
68dc0745 1013#ifndef DONT_DECLARE_STD
20ce7b12 1014 char *strerror (int);
68dc0745 1015#endif
a0d0e21e 1016# endif
2304df62
AD		 1017# ifndef Strerror
1018# define Strerror strerror
1019# endif
1020#else
1021# ifdef HAS_SYS_ERRLIST
79072805
LW		 1022 extern int sys_nerr;
1023 extern char *sys_errlist[];
2304df62
AD		 1024# ifndef Strerror
1025# define Strerror(e) \
79072805 1026 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1027# endif
79072805 1028# endif
35c8bce7 1029#endif
663a0e37 1030
2304df62 1031#ifdef I_SYS_IOCTL
79072805
LW		 1032# ifndef _IOCTL_
1033# include <sys/ioctl.h>
1034# endif
a687059c
LW		 1035#endif
1036
ee0007ab 1037#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1038# ifdef HAS_SOCKETPAIR
1039# undef HAS_SOCKETPAIR
1040# endif
2304df62
AD		 1041# ifdef I_NDBM
1042# undef I_NDBM
79072805 1043# endif
a687059c
LW		 1044#endif
1045
02fc2eee
NC		 1046#ifndef HAS_SOCKETPAIR
1047# ifdef HAS_SOCKET
1048# define socketpair Perl_my_socketpair
1049# endif
1050#endif
1051
a687059c 1052#if INTSIZE == 2
79072805
LW		 1053# define htoni htons
1054# define ntohi ntohs
a687059c 1055#else
79072805
LW		 1056# define htoni htonl
1057# define ntohi ntohl
a687059c
LW		 1058#endif
1059
a0d0e21e 1060/* Configure already sets Direntry_t */
35c8bce7 1061#if defined(I_DIRENT)
663a0e37 1062# include <dirent.h>
8f1f23e8
W		 1063 /* NeXT needs dirent + sys/dir.h */
1064# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1065# include <sys/dir.h>
1066# endif
ae986130 1067#else
fe14fcc3 1068# ifdef I_SYS_NDIR
79a0689e 1069# include <sys/ndir.h>
663a0e37 1070# else
fe14fcc3 1071# ifdef I_SYS_DIR
79a0689e
LW		 1072# ifdef hp9000s500
1073# include <ndir.h> /* may be wrong in the future */
1074# else
1075# include <sys/dir.h>
1076# endif
663a0e37
LW		 1077# endif
1078# endif
4633a7c4 1079#endif
a687059c 1080
12ae5dfc
JH		 1081#ifdef PERL_MICRO
1082# ifndef DIR
1083# define DIR void
1084# endif
1085#endif
1086
352d5a3a
LW		 1087#ifdef FPUTS_BOTCH
1088/* work around botch in SunOS 4.0.1 and 4.0.2 */
1089# ifndef fputs
79072805 1090# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1091# endif
1092#endif
1093
c623bd54
LW		 1094/*
1095 * The following gobbledygook brought to you on behalf of __STDC__.
1096 * (I could just use #ifndef __STDC__, but this is more bulletproof
1097 * in the face of half-implementations.)
1098 */
1099
7114a2d2 1100#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1101#include <sys/mode.h>
1102#endif
1103
c623bd54
LW		 1104#ifndef S_IFMT
1105# ifdef _S_IFMT
1106# define S_IFMT _S_IFMT
1107# else
1108# define S_IFMT 0170000
1109# endif
1110#endif
1111
1112#ifndef S_ISDIR
1113# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1114#endif
1115
1116#ifndef S_ISCHR
1117# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1118#endif
1119
1120#ifndef S_ISBLK
fe14fcc3
LW		 1121# ifdef S_IFBLK
1122# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1123# else
1124# define S_ISBLK(m) (0)
1125# endif
c623bd54
LW		 1126#endif
1127
1128#ifndef S_ISREG
1129# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1130#endif
1131
1132#ifndef S_ISFIFO
fe14fcc3
LW		 1133# ifdef S_IFIFO
1134# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1135# else
1136# define S_ISFIFO(m) (0)
1137# endif
c623bd54
LW		 1138#endif
1139
1140#ifndef S_ISLNK
1141# ifdef _S_ISLNK
1142# define S_ISLNK(m) _S_ISLNK(m)
1143# else
1144# ifdef _S_IFLNK
1145# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1146# else
1147# ifdef S_IFLNK
1148# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1149# else
1150# define S_ISLNK(m) (0)
1151# endif
1152# endif
1153# endif
1154#endif
1155
1156#ifndef S_ISSOCK
1157# ifdef _S_ISSOCK
1158# define S_ISSOCK(m) _S_ISSOCK(m)
1159# else
1160# ifdef _S_IFSOCK
1161# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1162# else
1163# ifdef S_IFSOCK
1164# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1165# else
1166# define S_ISSOCK(m) (0)
1167# endif
1168# endif
1169# endif
1170#endif
1171
1172#ifndef S_IRUSR
1173# ifdef S_IREAD
1174# define S_IRUSR S_IREAD
1175# define S_IWUSR S_IWRITE
1176# define S_IXUSR S_IEXEC
1177# else
1178# define S_IRUSR 0400
1179# define S_IWUSR 0200
1180# define S_IXUSR 0100
1181# endif
fac7cdfc
JS		 1182#endif
1183
1184#ifndef S_IRGRP
1185# ifdef S_IRUSR
1186# define S_IRGRP (S_IRUSR>>3)
1187# define S_IWGRP (S_IWUSR>>3)
1188# define S_IXGRP (S_IXUSR>>3)
1189# else
1190# define S_IRGRP 0040
1191# define S_IWGRP 0020
1192# define S_IXGRP 0010
1193# endif
1194#endif
1195
1196#ifndef S_IROTH
1197# ifdef S_IRUSR
1198# define S_IROTH (S_IRUSR>>6)
1199# define S_IWOTH (S_IWUSR>>6)
1200# define S_IXOTH (S_IXUSR>>6)
1201# else
1202# define S_IROTH 0040
1203# define S_IWOTH 0020
1204# define S_IXOTH 0010
1205# endif
c623bd54
LW		 1206#endif
1207
1208#ifndef S_ISUID
1209# define S_ISUID 04000
1210#endif
1211
1212#ifndef S_ISGID
1213# define S_ISGID 02000
1214#endif
1215
ca6e1c26
JH		 1216#ifndef S_IRWXU
1217# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1218#endif
ca6e1c26
JH		 1219
1220#ifndef S_IRWXG
1221# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1222#endif
ca6e1c26
JH		 1223
1224#ifndef S_IRWXO
1225# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1226#endif
ca6e1c26 1227
c21fb2b8
JH		 1228/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1229 * which would get included through <sys/file.h >, but that is 3000
1230 * lines in the future. --jhi */
1231
1232#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1233# define S_IREAD S_IRUSR
1234#endif
1235
c21fb2b8 1236#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1237# define S_IWRITE S_IWUSR
1238#endif
1239
1240#ifndef S_IEXEC
1241# define S_IEXEC S_IXUSR
1242#endif
1243
79072805
LW		 1244#ifdef ff_next
1245# undef ff_next
352d5a3a
LW		 1246#endif
1247
a0d0e21e 1248#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1249# define SLOPPYDIVIDE
1250#endif
1251
748a9306
LW		 1252#ifdef UV
1253#undef UV
1254#endif
1255
c89df6bf
JH		 1256#ifdef SPRINTF_E_BUG
1257# define sprintf UTS_sprintf_wrap
1258#endif
1259
c495e728
JH		 1260/* Configure gets this right but the UTS compiler gets it wrong.
1261 -- Hal Morris <hom00@utsglobal.com> */
1262#ifdef UTS
1263# undef UVTYPE
1264# define UVTYPE unsigned
1265#endif
1266
05f13f53 1267/*
27d4fb96 1268 The IV type is supposed to be long enough to hold any integral
1269 value or a pointer.
1270 --Andy Dougherty August 1996
1271*/
1272
a22e52b9
JH		 1273typedef IVTYPE IV;
1274typedef UVTYPE UV;
8175356b 1275
10cc9d2a 1276#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1277# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1278# define IV_MAX INT64_MAX
1279# define IV_MIN INT64_MIN
1280# define UV_MAX UINT64_MAX
cae7ae48
JH		 1281# ifndef UINT64_MIN
1282# define UINT64_MIN 0
1283# endif
5ff3f7a4
GS		 1284# define UV_MIN UINT64_MIN
1285# else
1286# define IV_MAX PERL_QUAD_MAX
1287# define IV_MIN PERL_QUAD_MIN
1288# define UV_MAX PERL_UQUAD_MAX
1289# define UV_MIN PERL_UQUAD_MIN
1290# endif
cf2093f6
JH		 1291# define IV_IS_QUAD
1292# define UV_IS_QUAD
79072805 1293#else
8175356b 1294# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1295# define IV_MAX INT32_MAX
1296# define IV_MIN INT32_MIN
716026f9
DL		 1297# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1298# define UV_MAX UINT32_MAX
1299# else
1300# define UV_MAX 4294967295U
1301# endif
cae7ae48
JH		 1302# ifndef UINT32_MIN
1303# define UINT32_MIN 0
1304# endif
5ff3f7a4
GS		 1305# define UV_MIN UINT32_MIN
1306# else
1307# define IV_MAX PERL_LONG_MAX
1308# define IV_MIN PERL_LONG_MIN
1309# define UV_MAX PERL_ULONG_MAX
1310# define UV_MIN PERL_ULONG_MIN
1311# endif
8175356b 1312# if IVSIZE == 8
cf2093f6
JH		 1313# define IV_IS_QUAD
1314# define UV_IS_QUAD
de1c2614
JH		 1315# ifndef HAS_QUAD
1316# define HAS_QUAD
1317# endif
cf2093f6
JH		 1318# else
1319# undef IV_IS_QUAD
1320# undef UV_IS_QUAD
de1c2614 1321# undef HAS_QUAD
cf2093f6 1322# endif
79072805 1323#endif
d7d93a81 1324
1109a392
MHM		 1325#ifndef HAS_QUAD
1326# undef PERL_NEED_MY_HTOLE64
1327# undef PERL_NEED_MY_LETOH64
1328# undef PERL_NEED_MY_HTOBE64
1329# undef PERL_NEED_MY_BETOH64
1330#endif
1331
6cde8aec 1332#if defined(uts) || defined(UTS)
11afe549
HM		 1333# undef UV_MAX
1334# define UV_MAX (4294967295u)
20601011
JH		 1335#endif
1336
cae7ae48 1337#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1338#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1339
28e5dec8 1340#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1341#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1342#endif
1343
d460ef45 1344/*
26bb67e2
JH		 1345 * The macros INT2PTR and NUM2PTR are (despite their names)
1346 * bi-directional: they will convert int/float to or from pointers.
1347 * However the conversion to int/float are named explicitly:
1348 * PTR2IV, PTR2UV, PTR2NV.
1349 *
1350 * For int conversions we do not need two casts if pointers are
1351 * the same size as IV and UV. Otherwise we need an explicit
1352 * cast (PTRV) to avoid compiler warnings.
1353 */
56431972
RB		 1354#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1355# define PTRV UV
1356# define INT2PTR(any,d) (any)(d)
1357#else
d460ef45 1358# if PTRSIZE == LONGSIZE
56431972 1359# define PTRV unsigned long
42718184 1360# else
56431972 1361# define PTRV unsigned
42718184 1362# endif
56431972 1363# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1364#endif
56431972
RB		 1365#define NUM2PTR(any,d) (any)(PTRV)(d)
1366#define PTR2IV(p) INT2PTR(IV,p)
1367#define PTR2UV(p) INT2PTR(UV,p)
1368#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1369#if PTRSIZE == LONGSIZE
d2560b70
RB		 1370# define PTR2ul(p) (unsigned long)(p)
1371#else
1372# define PTR2ul(p) INT2PTR(unsigned long,p)
1373#endif
d460ef45 1374
65202027 1375#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1376# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1377# define LONG_DOUBLE_EQUALS_DOUBLE
1378# endif
68d4903c 1379# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1380# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1381# endif
1382#endif
1383
2d4389e4
JH		 1384#ifdef OVR_DBL_DIG
1385/* Use an overridden DBL_DIG */
1386# ifdef DBL_DIG
1387# undef DBL_DIG
1388# endif
1389# define DBL_DIG OVR_DBL_DIG
1390#else
1391/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1392 default value for printing floating point numbers in Gconvert
1393 (see config.h). (It also has other uses, such as figuring out if
1394 a given precision of printing can be done with a double instead of
1395 a long double - Allen).
2d4389e4
JH		 1396*/
1397#ifdef I_LIMITS
1398#include <limits.h>
1399#endif
1400#ifdef I_FLOAT
1401#include <float.h>
1402#endif
1403#ifndef HAS_DBL_DIG
1404#define DBL_DIG 15 /* A guess that works lots of places */
1405#endif
1406#endif
cbca01e1
JH		 1407#ifdef I_FLOAT
1408#include <float.h>
1409#endif
1410#ifndef HAS_DBL_DIG
1411#define DBL_DIG 15 /* A guess that works lots of places */
1412#endif
2d4389e4
JH		 1413
1414#ifdef OVR_LDBL_DIG
1415/* Use an overridden LDBL_DIG */
1416# ifdef LDBL_DIG
1417# undef LDBL_DIG
1418# endif
1419# define LDBL_DIG OVR_LDBL_DIG
1420#else
1421/* The following is all to get LDBL_DIG, in order to pick a nice
1422 default value for printing floating point numbers in Gconvert.
1423 (see config.h)
1424*/
68d4903c
JH		 1425# ifdef I_LIMITS
1426# include <limits.h>
1427# endif
1428# ifdef I_FLOAT
1429# include <float.h>
1430# endif
1431# ifndef HAS_LDBL_DIG
1432# if LONG_DOUBLESIZE == 10
1433# define LDBL_DIG 18 /* assume IEEE */
1434# else
1435# if LONG_DOUBLESIZE == 12
1436# define LDBL_DIG 18 /* gcc? */
1437# else
1438# if LONG_DOUBLESIZE == 16
1439# define LDBL_DIG 33 /* assume IEEE */
1440# else
1441# if LONG_DOUBLESIZE == DOUBLESIZE
1442# define LDBL_DIG DBL_DIG /* bummer */
1443# endif
1444# endif
1445# endif
1446# endif
1447# endif
2d4389e4
JH		 1448#endif
1449
20f6aaab
AS		 1450/*
1451 * This is for making sure we have a good DBL_MAX value, if possible,
1452 * either for usage as NV_MAX or for usage in figuring out if we can
1453 * fit a given long double into a double, if bug-fixing makes it
1454 * necessary to do so. - Allen <allens@cpan.org>
1455 */
1456
205f51d8
AS		 1457#ifdef I_LIMITS
1458# include <limits.h>
20f6aaab
AS		 1459#endif
1460
205f51d8
AS		 1461#ifdef I_VALUES
1462# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1463# include <values.h>
1464# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1465# define DBL_MAX MAXDOUBLE
1466# endif
1467# if defined(MINDOUBLE) && !defined(DBL_MIN)
1468# define DBL_MIN MINDOUBLE
1469# endif
1470# endif
1471#endif /* defined(I_VALUES) */
1472
a22e52b9 1473typedef NVTYPE NV;
8175356b 1474
792d8dab
JH		 1475#ifdef I_IEEEFP
1476# include <ieeefp.h>
1477#endif
923fc586 1478
65202027 1479#ifdef USE_LONG_DOUBLE
923fc586
JH		 1480# ifdef I_SUNMATH
1481# include <sunmath.h>
1482# endif
2d4389e4 1483# define NV_DIG LDBL_DIG
d6c14000
JH		 1484# ifdef LDBL_MANT_DIG
1485# define NV_MANT_DIG LDBL_MANT_DIG
1486# endif
06fc1729
JH		 1487# ifdef LDBL_MIN
1488# define NV_MIN LDBL_MIN
1489# endif
1490# ifdef LDBL_MAX
1491# define NV_MAX LDBL_MAX
1492# endif
1493# ifdef LDBL_MIN_10_EXP
1494# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1495# endif
1496# ifdef LDBL_MAX_10_EXP
1497# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1498# endif
1499# ifdef LDBL_EPSILON
1500# define NV_EPSILON LDBL_EPSILON
1501# endif
f4a14a62
JH		 1502# ifdef LDBL_MAX
1503# define NV_MAX LDBL_MAX
20f6aaab 1504/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1505# else
1506# ifdef HUGE_VALL
1507# define NV_MAX HUGE_VALL
1508# else
1509# ifdef HUGE_VAL
1510# define NV_MAX ((NV)HUGE_VAL)
1511# endif
1512# endif
1513# endif
68d4903c 1514# ifdef HAS_SQRTL
68d4903c
JH		 1515# define Perl_cos cosl
1516# define Perl_sin sinl
1517# define Perl_sqrt sqrtl
1518# define Perl_exp expl
1519# define Perl_log logl
1520# define Perl_atan2 atan2l
1521# define Perl_pow powl
1522# define Perl_floor floorl
1bbae031 1523# define Perl_ceil ceill
68d4903c
JH		 1524# define Perl_fmod fmodl
1525# endif
a3540c92
JH		 1526/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1527# ifdef HAS_MODFL
1528# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1529/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1530 prototype in <math.h> */
1531# ifndef HAS_MODFL_PROTO
1532long double modfl(long double, long double *);
1533# endif
03476e8e
JH		 1534# else
1535# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1536 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1537# define Perl_modf(x,y) Perl_my_modfl(x,y)
1538# endif
a3540c92
JH		 1539# endif
1540# ifdef HAS_FREXPL
dff3e0b8 1541# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1542# else
1543# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1544 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1545# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1546# endif
a3540c92 1547# endif
38dbb4c5 1548# ifndef Perl_isnan
758a5d79
JH		 1549# ifdef HAS_ISNANL
1550# define Perl_isnan(x) isnanl(x)
1551# endif
1552# endif
1553# ifndef Perl_isinf
1554# ifdef HAS_FINITEL
1555# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1556# endif
1557# endif
65202027 1558#else
2d4389e4 1559# define NV_DIG DBL_DIG
d6c14000
JH		 1560# ifdef DBL_MANT_DIG
1561# define NV_MANT_DIG DBL_MANT_DIG
1562# endif
06fc1729
JH		 1563# ifdef DBL_MIN
1564# define NV_MIN DBL_MIN
1565# endif
1566# ifdef DBL_MAX
1567# define NV_MAX DBL_MAX
1568# endif
1569# ifdef DBL_MIN_10_EXP
1570# define NV_MIN_10_EXP DBL_MIN_10_EXP
1571# endif
1572# ifdef DBL_MAX_10_EXP
1573# define NV_MAX_10_EXP DBL_MAX_10_EXP
1574# endif
1575# ifdef DBL_EPSILON
1576# define NV_EPSILON DBL_EPSILON
1577# endif
205f51d8 1578# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1579# define NV_MAX DBL_MAX
1580# define NV_MIN DBL_MIN
1581# else
1582# ifdef HUGE_VAL
1583# define NV_MAX HUGE_VAL
1584# endif
1585# endif
65202027
DS		 1586# define Perl_cos cos
1587# define Perl_sin sin
1588# define Perl_sqrt sqrt
1589# define Perl_exp exp
1590# define Perl_log log
1591# define Perl_atan2 atan2
1592# define Perl_pow pow
1593# define Perl_floor floor
1bbae031 1594# define Perl_ceil ceil
65202027 1595# define Perl_fmod fmod
a3540c92 1596# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1597# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1598#endif
1599
1600/* rumor has it that Win32 has _fpclass() */
1601
205f51d8
AS		 1602/* SGI has fpclassl... but not with the same result values,
1603 * and it's via a typedef (not via #define), so will need to redo Configure
1604 * to use. Not worth the trouble, IMO, at least until the below is used
1605 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1606 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1607 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1608
758a5d79
JH		 1609#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1610# ifdef I_IEEFP
1611# include <ieeefp.h>
1612# endif
1613# ifdef I_FP
1614# include <fp.h>
1615# endif
1616# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1617# define Perl_fp_class() fpclassl(x)
1618# else
1619# define Perl_fp_class() fpclass(x)
1620# endif
1621# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1622# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1623# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1624# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1625# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1626# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1627# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1628# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1629# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1630# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1631# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1632# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1633# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1634# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1635# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1636#endif
1637
7114a2d2 1638#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1639# include <math.h>
1640# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1641# include <fp_class.h>
1642# endif
1643# define Perl_fp_class(x) fp_class(x)
1644# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1645# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1646# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1647# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1648# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1649# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1650# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1651# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1652# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1653# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1654# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1655# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1656# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1657# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1658# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1659#endif
1660
1661#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1662# include <math.h>
1663# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1664# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1665# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1666# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1667# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1668# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1669#endif
1670
1671#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1672# include <math.h>
1673# ifndef _cplusplus
1674# define Perl_fp_class(x) class(x)
1675# else
1676# define Perl_fp_class(x) _class(x)
1677# endif
1678# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1679# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1680# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1681# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1682# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1683# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1684# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1685# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1686# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1687# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1688# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1689# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1690# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1691# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1692# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1693#endif
1694
1695/* rumor has it that Win32 has _isnan() */
1696
1697#ifndef Perl_isnan
a3540c92 1698# ifdef HAS_ISNAN
758a5d79
JH		 1699# define Perl_isnan(x) isnan((NV)x)
1700# else
1701# ifdef Perl_fp_class_nan
1702# define Perl_isnan(x) Perl_fp_class_nan(x)
1703# else
1704# ifdef HAS_UNORDERED
1705# define Perl_isnan(x) unordered((x), 0.0)
1706# else
1707# define Perl_isnan(x) ((x)!=(x))
1708# endif
1709# endif
1710# endif
1711#endif
1712
ca6c63e1
JH		 1713#ifdef UNDER_CE
1714int isnan(double d);
1715#endif
1716
758a5d79
JH		 1717#ifndef Perl_isinf
1718# ifdef HAS_ISINF
1719# define Perl_isinf(x) isinf((NV)x)
a3540c92 1720# else
758a5d79
JH		 1721# ifdef Perl_fp_class_inf
1722# define Perl_isinf(x) Perl_fp_class_inf(x)
1723# else
1724# define Perl_isinf(x) ((x)==NV_INF)
1725# endif
1726# endif
1727#endif
1728
1729#ifndef Perl_isfinite
1730# ifdef HAS_FINITE
1731# define Perl_isfinite(x) finite((NV)x)
1732# else
1733# ifdef HAS_ISFINITE
1734# define Perl_isfinite(x) isfinite(x)
1735# else
1736# ifdef Perl_fp_class_finite
1737# define Perl_isfinite(x) Perl_fp_class_finite(x)
1738# else
1739# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1740# endif
1741# endif
a3540c92 1742# endif
65202027
DS		 1743#endif
1744
a36244b7
JH		 1745/* The default is to use Perl's own atof() implementation (in numeric.c).
1746 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1747 * it is however best to use the native implementation of atof.
1748 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1749 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1750 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1751 * you may need to be using a different function than atof! */
a36244b7
JH		 1752
1753#ifndef USE_PERL_ATOF
1754# ifndef _UNICOS
1755# define USE_PERL_ATOF
1756# endif
1757#else
1758# if USE_PERL_ATOF == 0
1759# undef USE_PERL_ATOF
1760# endif
1761#endif
1762
1763#ifdef USE_PERL_ATOF
1764# define Perl_atof(s) Perl_my_atof(s)
1765# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1766#else
1767# define Perl_atof(s) (NV)atof(s)
1768# define Perl_atof2(s, n) ((n) = atof(s))
1769#endif
cf2093f6 1770
d460ef45 1771/* Previously these definitions used hardcoded figures.
760ac839
LW		 1772 * It is hoped these formula are more portable, although
1773 * no data one way or another is presently known to me.
1774 * The "PERL_" names are used because these calculated constants
1775 * do not meet the ANSI requirements for LONG_MAX, etc., which
1776 * need to be constants acceptable to #if - kja
1777 * define PERL_LONG_MAX 2147483647L
1778 * define PERL_LONG_MIN (-LONG_MAX - 1)
1779 * define PERL ULONG_MAX 4294967295L
1780 */
1781
1782#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1783# include <limits.h>
760ac839 1784#endif
205f51d8
AS		 1785/* Included values.h above if necessary; still including limits.h down here,
1786 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1787
99abf803 1788/*
1789 * Try to figure out max and min values for the integral types. THE CORRECT
1790 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1791 * following hacks are used if neither limits.h or values.h provide them:
1792 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1793 * for types < int: (unsigned TYPE)~(unsigned)0
1794 * The argument to ~ must be unsigned so that later signed->unsigned
1795 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1796 * and it must not be smaller than int because ~ does integral promotion.
1797 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1798 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1799 * The latter is a hack which happens to work on some machines but
1800 * does *not* catch any random system, or things like integer types
1801 * with NaN if that is possible.
1802 *
1803 * All of the types are explicitly cast to prevent accidental loss of
1804 * numeric range, and in the hope that they will be less likely to confuse
1805 * over-eager optimizers.
1806 *
1807 */
27d4fb96 1808
99abf803 1809#define PERL_UCHAR_MIN ((unsigned char)0)
1810
1811#ifdef UCHAR_MAX
1812# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1813#else
99abf803 1814# ifdef MAXUCHAR
1815# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1816# else
99abf803 1817# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1818# endif
1819#endif
d460ef45 1820
99abf803 1821/*
1822 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1823 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1824 * depending on local options. Until Configure detects this (or at least
1825 * detects whether the "signed" keyword is available) the CHAR ranges
1826 * will not be included. UCHAR functions normally.
1827 * - kja
1828 */
27d4fb96 1829
99abf803 1830#define PERL_USHORT_MIN ((unsigned short)0)
1831
1832#ifdef USHORT_MAX
1833# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1834#else
99abf803 1835# ifdef MAXUSHORT
1836# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1837# else
ef2f54b0
CB		 1838# ifdef USHRT_MAX
1839# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1840# else
1841# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1842# endif
27d4fb96 1843# endif
1844#endif
1845
27d4fb96 1846#ifdef SHORT_MAX
99abf803 1847# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1848#else
1849# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1850# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1851# else
ef2f54b0
CB		 1852# ifdef SHRT_MAX
1853# define PERL_SHORT_MAX ((short)SHRT_MAX)
1854# else
1855# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1856# endif
27d4fb96 1857# endif
1858#endif
1859
1860#ifdef SHORT_MIN
99abf803 1861# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1862#else
1863# ifdef MINSHORT
99abf803 1864# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1865# else
ef2f54b0
CB		 1866# ifdef SHRT_MIN
1867# define PERL_SHORT_MIN ((short)SHRT_MIN)
1868# else
1869# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1870# endif
27d4fb96 1871# endif
1872#endif
1873
99abf803 1874#ifdef UINT_MAX
1875# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1876#else
99abf803 1877# ifdef MAXUINT
1878# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1879# else
99abf803 1880# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1881# endif
1882#endif
1883
99abf803 1884#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1885
1886#ifdef INT_MAX
99abf803 1887# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1888#else
1889# ifdef MAXINT /* Often used in <values.h> */
99abf803 1890# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1891# else
99abf803 1892# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1893# endif
1894#endif
1895
1896#ifdef INT_MIN
99abf803 1897# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1898#else
1899# ifdef MININT
99abf803 1900# define PERL_INT_MIN ((int)MININT)
27d4fb96 1901# else
1902# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1903# endif
1904#endif
1905
99abf803 1906#ifdef ULONG_MAX
1907# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1908#else
99abf803 1909# ifdef MAXULONG
1910# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1911# else
99abf803 1912# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1913# endif
1914#endif
1915
99abf803 1916#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1917
760ac839 1918#ifdef LONG_MAX
99abf803 1919# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1920#else
1921# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1922# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1923# else
99abf803 1924# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1925# endif
1926#endif
1927
1928#ifdef LONG_MIN
99abf803 1929# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1930#else
1931# ifdef MINLONG
99abf803 1932# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1933# else
27d4fb96 1934# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1935# endif
1936#endif
1937
d7d93a81 1938#ifdef UV_IS_QUAD
99abf803 1939
99abf803 1940# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1941# define PERL_UQUAD_MIN ((UV)0)
99abf803 1942# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1943# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1944
79072805
LW		 1945#endif
1946
22f7c9c9
JH		 1947#ifdef MYMALLOC
1948# include "malloc_ctl.h"
1949#endif
1950
830247a4 1951struct RExC_state_t;
880b20b6 1952
ee0007ab 1953typedef MEM_SIZE STRLEN;
450a55e4 1954
79072805
LW		 1955typedef struct op OP;
1956typedef struct cop COP;
1957typedef struct unop UNOP;
1958typedef struct binop BINOP;
1959typedef struct listop LISTOP;
1960typedef struct logop LOGOP;
79072805
LW		 1961typedef struct pmop PMOP;
1962typedef struct svop SVOP;
7934575e 1963typedef struct padop PADOP;
79072805 1964typedef struct pvop PVOP;
79072805
LW		 1965typedef struct loop LOOP;
1966
93a17b20 1967typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1968
1969/* Amdahl's <ksync.h> has struct sv */
1970/* SGI's <sys/sema.h> has struct sv */
1971#if defined(UTS) || defined(__sgi)
1972# define STRUCT_SV perl_sv
b8d3c5db
JH		 1973#else
1974# define STRUCT_SV sv
1975#endif
1976typedef struct STRUCT_SV SV;
79072805
LW		 1977typedef struct av AV;
1978typedef struct hv HV;
1979typedef struct cv CV;
378cc40b 1980typedef struct regexp REGEXP;
79072805 1981typedef struct gp GP;
0c30d9ec 1982typedef struct gv GV;
8990e307 1983typedef struct io IO;
c09156bb 1984typedef struct context PERL_CONTEXT;
79072805
LW		 1985typedef struct block BLOCK;
1986
1987typedef struct magic MAGIC;
ed6116ce 1988typedef struct xrv XRV;
79072805
LW		 1989typedef struct xpv XPV;
1990typedef struct xpviv XPVIV;
ff68c719 1991typedef struct xpvuv XPVUV;
79072805
LW		 1992typedef struct xpvnv XPVNV;
1993typedef struct xpvmg XPVMG;
1994typedef struct xpvlv XPVLV;
1995typedef struct xpvav XPVAV;
1996typedef struct xpvhv XPVHV;
1997typedef struct xpvgv XPVGV;
1998typedef struct xpvcv XPVCV;
1999typedef struct xpvbm XPVBM;
2000typedef struct xpvfm XPVFM;
8990e307 2001typedef struct xpvio XPVIO;
79072805
LW		 2002typedef struct mgvtbl MGVTBL;
2003typedef union any ANY;
5f7fde29
GS		 2004typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2005typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2006typedef struct clone_params CLONE_PARAMS;
2007
378cc40b 2008#include "handy.h"
a0d0e21e 2009
6b8eaf93 2010#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2011# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2012# define USE_64_BIT_RAWIO /* implicit */
2013# endif
4564133c
JH		 2014#endif
2015
6b8eaf93
JH		 2016/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2017 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2018 * however, because operating systems like to do that themself. */
2019#ifndef FSEEKSIZE
2020# ifdef HAS_FSEEKO
2021# define FSEEKSIZE LSEEKSIZE
2022# else
2023# define FSEEKSIZE LONGSIZE
d460ef45 2024# endif
6b8eaf93
JH		 2025#endif
2026
2027#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2028# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2029# define USE_64_BIT_STDIO /* implicit */
2030# endif
2031#endif
4564133c 2032
09458382 2033#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2034# ifdef HAS_OFF64_T
2035# undef Off_t
2036# define Off_t off64_t
2037# undef LSEEKSIZE
2038# define LSEEKSIZE 8
5ff3f7a4 2039# endif
d9b3e12d
JH		 2040/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2041 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2042 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2043# if defined(USE_OPEN64)
2044# define open open64
5ff3f7a4 2045# endif
d9b3e12d
JH		 2046# if defined(USE_LSEEK64)
2047# define lseek lseek64
6b8eaf93
JH		 2048# else
2049# if defined(USE_LLSEEK)
2050# define lseek llseek
2051# endif
d9b3e12d
JH		 2052# endif
2053# if defined(USE_STAT64)
2054# define stat stat64
2055# endif
2056# if defined(USE_FSTAT64)
2057# define fstat fstat64
2058# endif
2059# if defined(USE_LSTAT64)
2060# define lstat lstat64
2061# endif
2062# if defined(USE_FLOCK64)
2063# define flock flock64
2064# endif
2065# if defined(USE_LOCKF64)
2066# define lockf lockf64
2067# endif
2068# if defined(USE_FCNTL64)
2069# define fcntl fcntl64
2070# endif
2071# if defined(USE_TRUNCATE64)
2072# define truncate truncate64
2073# endif
2074# if defined(USE_FTRUNCATE64)
2075# define ftruncate ftruncate64
2076# endif
2077#endif
2078
2079#ifdef USE_64_BIT_STDIO
2080# ifdef HAS_FPOS64_T
2081# undef Fpos_t
2082# define Fpos_t fpos64_t
2083# endif
2084/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2085 * will trigger defines like the ones below. Some 64-bit environments,
2086 * however, do not. */
2087# if defined(USE_FOPEN64)
2088# define fopen fopen64
2089# endif
2090# if defined(USE_FSEEK64)
6b8eaf93 2091# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2092# endif
2093# if defined(USE_FTELL64)
6b8eaf93 2094# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2095# endif
2096# if defined(USE_FSETPOS64)
2097# define fsetpos fsetpos64
2098# endif
2099# if defined(USE_FGETPOS64)
2100# define fgetpos fgetpos64
2101# endif
2102# if defined(USE_TMPFILE64)
2103# define tmpfile tmpfile64
2104# endif
2105# if defined(USE_FREOPEN64)
2106# define freopen freopen64
5ff3f7a4
GS		 2107# endif
2108#endif
2109
af8b425d 2110#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2111# include "iperlsys.h"
2112#endif
2113
6f71a643 2114#if defined(__OPEN_VM)
19848b3f
JH		 2115# include "vmesa/vmesaish.h"
2116# define ISHISH "vmesa"
6f71a643
JH		 2117#endif
2118
748a9306 2119#ifdef DOSISH
19848b3f
JH		 2120# if defined(OS2)
2121# include "os2ish.h"
2122# else
2123# include "dosish.h"
2124# endif
2125# define ISHISH "dos"
2126#endif
2127
2128#if defined(VMS)
748a9306 2129# include "vmsish.h"
96e176bf 2130# include "embed.h"
19848b3f
JH		 2131# define ISHISH "vms"
2132#endif
2133
2134#if defined(PLAN9)
2135# include "./plan9/plan9ish.h"
2136# define ISHISH "plan9"
2137#endif
2138
2139#if defined(MPE)
2140# include "mpeix/mpeixish.h"
2141# define ISHISH "mpeix"
2142#endif
2143
2144#if defined(__VOS__)
196918b0
PG		 2145# ifdef __GNUC__
2146# include "./vos/vosish.h"
2147# else
2148# include "vos/vosish.h"
2149# endif
19848b3f
JH		 2150# define ISHISH "vos"
2151#endif
2152
2153#if defined(EPOC)
2154# include "epocish.h"
2155# define ISHISH "epoc"
2156#endif
2157
2158#if defined(MACOS_TRADITIONAL)
2159# include "macos/macish.h"
2160# ifndef NO_ENVIRON_ARRAY
2161# define NO_ENVIRON_ARRAY
0c30d9ec 2162# endif
19848b3f
JH		 2163# define ISHISH "macos classic"
2164#endif
2165
efca5cc6
JH		 2166#if defined(__BEOS__)
2167# include "beos/beosish.h"
2168# define ISHISH "beos"
2169#endif
2170
19848b3f
JH		 2171#ifndef ISHISH
2172# include "unixish.h"
2173# define ISHISH "unix"
13b6e58c
JH		 2174#endif
2175
2176#ifndef NO_ENVIRON_ARRAY
2177# define USE_ENVIRON_ARRAY
2178#endif
32f822de 2179
c77b533b
JH		 2180/*
2181 * initialise to avoid floating-point exceptions from overflow, etc
2182 */
2183#ifndef PERL_FPU_INIT
2184# ifdef HAS_FPSETMASK
2185# if HAS_FLOATINGPOINT_H
2186# include <floatingpoint.h>
2187# endif
2188# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2189# else
2f42fcb0 2190# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2191# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2192# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2193# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2194# else
2195# define PERL_FPU_INIT
2f42fcb0 2196
7014c407 2197# endif
c77b533b
JH		 2198# endif
2199#endif
b35112e7
CS		 2200#ifndef PERL_FPU_PRE_EXEC
2201# define PERL_FPU_PRE_EXEC {
2202# define PERL_FPU_POST_EXEC }
2203#endif
c77b533b 2204
ed344e4f
IZ		 2205#ifndef PERL_SYS_INIT3
2206# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2207#endif
2208
be708cc0
JH		 2209#ifndef PERL_WRITE_MSG_TO_CONSOLE
2210# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2211#endif
2212
0f31cffe
GS		 2213#ifndef MAXPATHLEN
2214# ifdef PATH_MAX
b990c8b2
JH		 2215# ifdef _POSIX_PATH_MAX
2216# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2217/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2218 * included the null byte or not. Later amendments of POSIX,
2219 * XPG4, the Austin Group, and the Single UNIX Specification
2220 * all explicitly include the null byte in the PATH_MAX.
2221 * Ditto for _POSIX_PATH_MAX. */
2222# define MAXPATHLEN PATH_MAX
b990c8b2 2223# else
09448d78 2224# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2225# endif
2226# else
2227# define MAXPATHLEN (PATH_MAX+1)
2228# endif
0f31cffe 2229# else
b990c8b2 2230# ifdef _POSIX_PATH_MAX
09448d78 2231# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2232# else
2233# define MAXPATHLEN 1024 /* Err on the large side. */
2234# endif
0f31cffe
GS		 2235# endif
2236#endif
2237
3db8f154 2238/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2239 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2240 * this results in many functions being undeclared which bothers C++
2241 * May make sense to have threads after "*ish.h" anyway
2242 */
2243
3db8f154 2244#if defined(USE_ITHREADS)
2986a63f
JH		 2245# ifdef NETWARE
2246# include <nw5thread.h>
2247# else
32f822de
GS		 2248# ifdef FAKE_THREADS
2249# include "fakethr.h"
2250# else
2251# ifdef WIN32
2252# include <win32thread.h>
2253# else
dd96f567
IZ		 2254# ifdef OS2
2255# include "os2thread.h"
2256# else
7f3d1cf1 2257# ifdef I_MACH_CTHREADS
bdd66968 2258# include <mach/cthreads.h>
8f1f23e8 2259# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2260# define MUTEX_INIT_CALLS_MALLOC
2261# endif
7f3d1cf1
BH		 2262typedef cthread_t perl_os_thread;
2263typedef mutex_t perl_mutex;
2264typedef condition_t perl_cond;
2265typedef void * perl_key;
2266# else /* Posix threads */
1f5ae88c
JH		 2267# ifdef I_PTHREAD
2268# include <pthread.h>
2269# endif
7f3d1cf1
BH		 2270typedef pthread_t perl_os_thread;
2271typedef pthread_mutex_t perl_mutex;
2272typedef pthread_cond_t perl_cond;
2273typedef pthread_key_t perl_key;
2274# endif /* I_MACH_CTHREADS */
dd96f567 2275# endif /* OS2 */
32f822de
GS		 2276# endif /* WIN32 */
2277# endif /* FAKE_THREADS */
2986a63f 2278#endif /* NETWARE */
3db8f154 2279#endif /* USE_ITHREADS */
c5be433b 2280
66a93824 2281#if defined(WIN32)
1feb2720 2282# include "win32.h"
c5be433b
GS		 2283#endif
2284
2986a63f
JH		 2285#ifdef NETWARE
2286# include "netware.h"
2287#endif
2288
68dc0745 2289#ifdef VMS
6b88bc9c 2290# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2291# define STATUS_NATIVE_EXPORT \
d98f61e7 2292 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2293# define STATUS_NATIVE_SET(n) \
2294 STMT_START { \
6b88bc9c
GS		 2295 PL_statusvalue_vms = (n); \
2296 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2297 PL_statusvalue = -1; \
6b88bc9c 2298 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2299 PL_statusvalue = 0; \
6b88bc9c
GS		 2300 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2301 PL_statusvalue = 1 << 8; \
68dc0745 2302 else \
6b88bc9c 2303 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2304 } STMT_END
3280af22 2305# define STATUS_POSIX PL_statusvalue
68dc0745 2306# ifdef VMSISH_STATUS
2307# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2308# else
2309# define STATUS_CURRENT STATUS_POSIX
2310# endif
2311# define STATUS_POSIX_SET(n) \
2312 STMT_START { \
3280af22
NIS		 2313 PL_statusvalue = (n); \
2314 if (PL_statusvalue != -1) { \
2315 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2316 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2317 } \
6b88bc9c 2318 else PL_statusvalue_vms = -1; \
68dc0745 2319 } STMT_END
6b88bc9c
GS		 2320# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2321# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2322#else
2323# define STATUS_NATIVE STATUS_POSIX
2324# define STATUS_NATIVE_EXPORT STATUS_POSIX
2325# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2326# define STATUS_POSIX PL_statusvalue
68dc0745 2327# define STATUS_POSIX_SET(n) \
2328 STMT_START { \
3280af22
NIS		 2329 PL_statusvalue = (n); \
2330 if (PL_statusvalue != -1) \
2331 PL_statusvalue &= 0xFFFF; \
68dc0745 2332 } STMT_END
2333# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2334# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2335# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2336#endif
2337
cc3604b1
GS		 2338/* flags in PL_exit_flags for nature of exit() */
2339#define PERL_EXIT_EXPECTED 0x01
31d77e54 2340#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2341
0b94c7bb 2342#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2343# define MEMBER_TO_FPTR(name) name
2344#endif
2345
2346/* format to use for version numbers in file/directory names */
273cf8d1 2347/* XXX move to Configure? */
a7cb1f99 2348#ifndef PERL_FS_VER_FMT
273cf8d1 2349# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2350#endif
2351
45bc9206 2352/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2353 * performance issue, so we allow people to disable it. Also, if
2354 * we are using stdio, there are broken implementations of fflush(NULL)
2355 * out there, Solaris being the most prominent.
45bc9206
GS		 2356 */
2357#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2358# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2359# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2360# else
2361# ifdef FFLUSH_ALL
2362# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2363# else
c5be433b 2364# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2365# endif
66fe083f 2366# endif
45bc9206
GS		 2367#endif
2368
7766f137
GS		 2369#ifndef PERL_WAIT_FOR_CHILDREN
2370# define PERL_WAIT_FOR_CHILDREN NOOP
2371#endif
2372
ba869deb 2373/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2374#ifndef PERL_SET_INTERP
2375# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2376#endif
2377
2378#ifndef PERL_GET_INTERP
2379# define PERL_GET_INTERP (PL_curinterp)
2380#endif
2381
54aff467 2382#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2383# ifdef MULTIPLICITY
ba869deb 2384# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2385# endif
ba869deb
GS		 2386# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2387#endif
2388
894356b3
GS		 2389#ifndef SVf
2390# ifdef CHECK_FORMAT
5df617be 2391# define SVf "-p"
84c133a0 2392# ifndef SVf256
5df617be 2393# define SVf256 "-256p"
84c133a0 2394# endif
894356b3
GS		 2395# else
2396# define SVf "_"
d460ef45 2397# endif
894356b3
GS		 2398#endif
2399
84c133a0
RB		 2400#ifndef SVf256
2401# define SVf256 ".256"SVf
2402#endif
2403
d2560b70
RB		 2404#ifndef UVf
2405# ifdef CHECK_FORMAT
2406# define UVf UVuf
2407# else
2408# define UVf "Vu"
d460ef45 2409# endif
d2560b70
RB		 2410#endif
2411
2412#ifndef VDf
2413# ifdef CHECK_FORMAT
5df617be 2414# define VDf "-1p"
d2560b70
RB		 2415# else
2416# define VDf "vd"
d460ef45 2417# endif
d2560b70
RB		 2418#endif
2419
5df617be 2420#ifndef DieNull
b3fe4827 2421# ifdef CHECK_FORMAT
5df617be 2422# define DieNull vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827 2423# else
5df617be 2424# define DieNull Perl_die(aTHX_ Nullch)
b3fe4827
RB		 2425# endif
2426#endif
2427
287c8091
RB		 2428#ifndef __attribute__format__
2429# ifdef CHECK_FORMAT
2430# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2431# else
2432# define __attribute__format__(x,y,z)
2433# endif
2434#endif
2435
3fc1aec6 2436/* Some unistd.h's give a prototype for pause() even though
2437 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2438 below to be rejected by the compiler. Sigh.
3fc1aec6 2439*/
2440#ifdef HAS_PAUSE
2441#define Pause pause
2442#else
2443#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2444#endif
2445
2446#ifndef IOCPARM_LEN
2447# ifdef IOCPARM_MASK
2448 /* on BSDish systes we're safe */
2449# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2450# else
2451 /* otherwise guess at what's safe */
2452# define IOCPARM_LEN(x) 256
2453# endif
a0d0e21e
LW		 2454#endif
2455
1761cee5 2456#if defined(__CYGWIN__)
521e0776
GS		 2457/* USEMYBINMODE
2458 * This symbol, if defined, indicates that the program should
16fe6d59 2459 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2460 * that a file is in "binary" mode -- that is, that no translation
2461 * of bytes occurs on read or write operations.
2462 */
36894f0b 2463# define USEMYBINMODE /**/
77a40698 2464# include <io.h> /* for setmode() prototype */
16fe6d59 2465# define my_binmode(fp, iotype, mode) \
77a40698 2466 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2467#endif
2468
88d10794
JH		 2469#ifdef __CYGWIN__
2470void init_os_extras(void);
2471#endif
2472
cea2e8a9
GS		 2473#ifdef UNION_ANY_DEFINITION
2474UNION_ANY_DEFINITION;
2475#else
2476union any {
2477 void* any_ptr;
2478 I32 any_i32;
2479 IV any_iv;
2480 long any_long;
9febdf04 2481 bool any_bool;
c76ac1ee 2482 void (*any_dptr) (void*);
acfe0abc 2483 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2484};
2485#endif
2486
acfe0abc 2487typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2488
2489#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2490#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2491#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2492
c5078cac
JH		 2493#if defined(_AIX) && !defined(_AIX43)
2494#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2495/* We cannot include <crypt.h> to get the struct crypt_data
2496 * because of setkey prototype problems when threading */
2497typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2498 /* From OSF, Not needed in AIX
2499 char C[28], D[28];
2500 */
2501 char E[48];
2502 char KS[16][48];
2503 char block[66];
2504 char iobuf[16];
2505} CRYPTD;
2506#endif /* threading */
2507#endif /* AIX */
2508
af8b425d 2509#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2510# include "iperlsys.h"
2511#endif
504f80c1 2512
d10dc2ae
JH		 2513/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2514 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2515 * defined by Configure, despite their names being similar to the
2516 * other defines like USE_ITHREADS. Configure in fact knows nothing
2517 * about the randomised hashes. Therefore to enable/disable the hash
2518 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2519#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2520# define USE_HASH_SEED
504f80c1
JH		 2521#endif
2522
378cc40b 2523#include "regexp.h"
79072805 2524#include "sv.h"
378cc40b 2525#include "util.h"
8d063cd8 2526#include "form.h"
79072805 2527#include "gv.h"
dd2155a4 2528#include "pad.h"
79072805 2529#include "cv.h"
abdd5c84 2530#include "opnames.h"
79072805
LW		 2531#include "op.h"
2532#include "cop.h"
2533#include "av.h"
2534#include "hv.h"
2535#include "mg.h"
2536#include "scope.h"
4438c4b7 2537#include "warnings.h"
a0ed51b3 2538#include "utf8.h"
8d063cd8 2539
7fae4e64
GS		 2540/* Current curly descriptor */
2541typedef struct curcur CURCUR;
2542struct curcur {
2543 int parenfloor; /* how far back to strip paren data */
2544 int cur; /* how many instances of scan we've matched */
2545 int min; /* the minimal number of scans to match */
2546 int max; /* the maximal number of scans to match */
2547 int minmod; /* whether to work our way up or down */
2548 regnode * scan; /* the thing to match */
2549 regnode * next; /* what has to match after it */
2550 char * lastloc; /* where we started matching this scan */
2551 CURCUR * oldcc; /* current curly before we started this one */
2552};
2553
2554typedef struct _sublex_info SUBLEXINFO;
2555struct _sublex_info {
2556 I32 super_state; /* lexer state to save */
2557 I32 sub_inwhat; /* "lex_inwhat" to use */
2558 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2559 char *super_bufptr; /* PL_bufptr that was */
2560 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2561};
2562
455ece5e 2563typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2564
2c2d71f5 2565struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2566struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2567
2568typedef I32 CHECKPOINT;
76e3520e 2569
5f7fde29
GS		 2570struct ptr_tbl_ent {
2571 struct ptr_tbl_ent* next;
2572 void* oldval;
2573 void* newval;
d18c6117
GS		 2574};
2575
5f7fde29
GS		 2576struct ptr_tbl {
2577 struct ptr_tbl_ent** tbl_ary;
2578 UV tbl_max;
2579 UV tbl_items;
d18c6117
GS		 2580};
2581
450a55e4 2582#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2583# define I286
2584#endif
2585
fe14fcc3
LW		 2586#if defined(htonl) && !defined(HAS_HTONL)
2587#define HAS_HTONL
ae986130 2588#endif
fe14fcc3
LW		 2589#if defined(htons) && !defined(HAS_HTONS)
2590#define HAS_HTONS
ae986130 2591#endif
fe14fcc3
LW		 2592#if defined(ntohl) && !defined(HAS_NTOHL)
2593#define HAS_NTOHL
ae986130 2594#endif
fe14fcc3
LW		 2595#if defined(ntohs) && !defined(HAS_NTOHS)
2596#define HAS_NTOHS
ae986130 2597#endif
fe14fcc3 2598#ifndef HAS_HTONL
d9d8d8de 2599#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2600#define HAS_HTONS
2601#define HAS_HTONL
2602#define HAS_NTOHS
2603#define HAS_NTOHL
a687059c
LW		 2604#define MYSWAP
2605#define htons my_swap
2606#define htonl my_htonl
2607#define ntohs my_swap
2608#define ntohl my_ntohl
2609#endif
2610#else
d9d8d8de 2611#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2612#undef HAS_HTONS
2613#undef HAS_HTONL
2614#undef HAS_NTOHS
2615#undef HAS_NTOHL
a687059c
LW		 2616#endif
2617#endif
2618
988174c1
LW		 2619/*
2620 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2621 * -DWS
2622 */
2623#if BYTEORDER != 0x1234
2624# define HAS_VTOHL
2625# define HAS_VTOHS
2626# define HAS_HTOVL
2627# define HAS_HTOVS
c67712b2 2628# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2629# define vtohl(x) ((((x)&0xFF)<<24) \
2630 +(((x)>>24)&0xFF) \
2631 +(((x)&0x0000FF00)<<8) \
2632 +(((x)&0x00FF0000)>>8) )
2633# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2634# define htovl(x) vtohl(x)
2635# define htovs(x) vtohs(x)
2636# endif
2637 /* otherwise default to functions in util.c */
2a8c3029 2638#ifndef htovs
c623ac67
GS		 2639short htovs(short n);
2640short vtohs(short n);
2641long htovl(long n);
2642long vtohl(long n);
988174c1 2643#endif
2a8c3029 2644#endif
988174c1 2645
3bb7c1b4
JH		 2646/* *MAX Plus 1. A floating point value.
2647 Hopefully expressed in a way that dodgy floating point can't mess up.
2648 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2649 is added to it
2650 May find that some broken compiler will want the value cast to I32.
2651 [after the shift, as signed >> may not be as secure as unsigned >>]
2652*/
2653#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2654#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2655/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2656 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2657 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2658*/
2659#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2660
3bb7c1b4
JH		 2661#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2662#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2663#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2664
2665/* This may look like unnecessary jumping through hoops, but converting
2666 out of range floating point values to integers *is* undefined behaviour,
2667 and it is starting to bite.
2668*/
2669#ifndef CAST_INLINE
65202027 2670#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2671#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2672#define I_V(what) (cast_iv((NV)(what)))
2673#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2674#else
2675#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2676 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2677 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2678#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2679 : ((n) < U32_MAX_P1 ? (U32) (n) \
2680 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2681#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2682 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2683 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2684#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2685 : ((n) < UV_MAX_P1 ? (UV) (n) \
2686 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2687#endif
2688
2689#define U_S(what) ((U16)U_32(what))
2690#define U_I(what) ((unsigned int)U_32(what))
2691#define U_L(what) U_32(what)
ed6116ce 2692
2d4389e4
JH		 2693/* These do not care about the fractional part, only about the range. */
2694#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2695#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2696
25da4f38
IZ		 2697/* Used with UV/IV arguments: */
2698 /* XXXX: need to speed it up */
2699#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2700#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2701
352d5a3a
LW		 2702#ifndef MAXSYSFD
2703# define MAXSYSFD 2
2704#endif
ee0007ab 2705
79072805 2706#ifndef __cplusplus
e1caacb4 2707#ifndef UNDER_CE
20ce7b12
GS		 2708Uid_t getuid (void);
2709Uid_t geteuid (void);
2710Gid_t getgid (void);
2711Gid_t getegid (void);
79072805 2712#endif
e1caacb4 2713#endif
8d063cd8 2714
0c30d9ec 2715#ifndef Perl_debug_log
bf49b057
GS		 2716# define Perl_debug_log PerlIO_stderr()
2717#endif
2718
2719#ifndef Perl_error_log
2720# define Perl_error_log (PL_stderrgv \
6b78add2 2721 && isGV(PL_stderrgv) \
01bb7c6d 2722 && GvIOp(PL_stderrgv) \
42de951c 2723 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2724 ? IoOFP(GvIOp(PL_stderrgv)) \
2725 : PerlIO_stderr())
0c30d9ec 2726#endif
3967c732 2727
aea4f609
DM		 2728
2729#define DEBUG_p_FLAG 0x00000001 /* 1 */
2730#define DEBUG_s_FLAG 0x00000002 /* 2 */
2731#define DEBUG_l_FLAG 0x00000004 /* 4 */
2732#define DEBUG_t_FLAG 0x00000008 /* 8 */
2733#define DEBUG_o_FLAG 0x00000010 /* 16 */
2734#define DEBUG_c_FLAG 0x00000020 /* 32 */
2735#define DEBUG_P_FLAG 0x00000040 /* 64 */
2736#define DEBUG_m_FLAG 0x00000080 /* 128 */
2737#define DEBUG_f_FLAG 0x00000100 /* 256 */
2738#define DEBUG_r_FLAG 0x00000200 /* 512 */
2739#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2740#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2741 /* spare */
aea4f609
DM		 2742#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2743#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2744#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2745#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2746#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2747#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2748#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2749#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2750#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2751#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2752#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2753#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2754
2755#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2756#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2757 that something was done? */
aea4f609 2758
bd16a5f0
IZ		 2759# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2760# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2761# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2762# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2763# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2764# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2765# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2766# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2767# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2768# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2769# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2770# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2771# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2772# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2773# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2774# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2775# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2776# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2777# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2778# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2779# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 2780# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2781# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2782# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2783
3967c732 2784#ifdef DEBUGGING
aea4f609 2785
bd16a5f0
IZ		 2786# define DEBUG_p_TEST DEBUG_p_TEST_
2787# define DEBUG_s_TEST DEBUG_s_TEST_
2788# define DEBUG_l_TEST DEBUG_l_TEST_
2789# define DEBUG_t_TEST DEBUG_t_TEST_
2790# define DEBUG_o_TEST DEBUG_o_TEST_
2791# define DEBUG_c_TEST DEBUG_c_TEST_
2792# define DEBUG_P_TEST DEBUG_P_TEST_
2793# define DEBUG_m_TEST DEBUG_m_TEST_
2794# define DEBUG_f_TEST DEBUG_f_TEST_
2795# define DEBUG_r_TEST DEBUG_r_TEST_
2796# define DEBUG_x_TEST DEBUG_x_TEST_
2797# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2798# define DEBUG_H_TEST DEBUG_H_TEST_
2799# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2800# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2801# define DEBUG_D_TEST DEBUG_D_TEST_
2802# define DEBUG_S_TEST DEBUG_S_TEST_
2803# define DEBUG_T_TEST DEBUG_T_TEST_
2804# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2805# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2806# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2807# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 2808# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 2809# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 2810
488b0c7a
JH		 2811# define PERL_DEB(a) a
2812# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2813# define DEBUG_p(a) if (DEBUG_p_TEST) a
2814# define DEBUG_s(a) if (DEBUG_s_TEST) a
2815# define DEBUG_l(a) if (DEBUG_l_TEST) a
2816# define DEBUG_t(a) if (DEBUG_t_TEST) a
2817# define DEBUG_o(a) if (DEBUG_o_TEST) a
2818# define DEBUG_c(a) if (DEBUG_c_TEST) a
2819# define DEBUG_P(a) if (DEBUG_P_TEST) a
2820
969058bb
VK		 2821 /* Temporarily turn off memory debugging in case the a
2822 * does memory allocation, either directly or indirectly. */
acfe0abc 2823# define DEBUG_m(a) \
0b250b9e 2824 STMT_START { \
aea4f609 2825 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2826 } STMT_END
aea4f609 2827
5f80b19c
AMS		 2828# define DEBUG__(t, a) \
2829 STMT_START { \
2830 if (t) STMT_START {a;} STMT_END; \
2831 } STMT_END
2832
2833# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2834# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2835# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2836# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2837# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2838# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2839# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2840# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2841
3db8f154 2842# define DEBUG_S(a)
aea4f609 2843
5f80b19c
AMS		 2844# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2845# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2846# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2847# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 2848# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2849# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 2850
2851#else /* DEBUGGING */
2852
2853# define DEBUG_p_TEST (0)
2854# define DEBUG_s_TEST (0)
2855# define DEBUG_l_TEST (0)
2856# define DEBUG_t_TEST (0)
2857# define DEBUG_o_TEST (0)
2858# define DEBUG_c_TEST (0)
2859# define DEBUG_P_TEST (0)
2860# define DEBUG_m_TEST (0)
2861# define DEBUG_f_TEST (0)
2862# define DEBUG_r_TEST (0)
2863# define DEBUG_x_TEST (0)
2864# define DEBUG_u_TEST (0)
aea4f609
DM		 2865# define DEBUG_H_TEST (0)
2866# define DEBUG_X_TEST (0)
dd2155a4 2867# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2868# define DEBUG_D_TEST (0)
2869# define DEBUG_S_TEST (0)
2870# define DEBUG_T_TEST (0)
04932ac8 2871# define DEBUG_R_TEST (0)
1045810a 2872# define DEBUG_J_TEST (0)
d6721266 2873# define DEBUG_v_TEST (0)
46187eeb 2874# define DEBUG_C_TEST (0)
ecae49c0
NC		 2875# define DEBUG_A_TEST (0)
2876# define DEBUG_q_TEST (0)
aea4f609 2877
488b0c7a
JH		 2878# define PERL_DEB(a)
2879# define PERL_DEBUG(a)
aea4f609
DM		 2880# define DEBUG_p(a)
2881# define DEBUG_s(a)
2882# define DEBUG_l(a)
2883# define DEBUG_t(a)
2884# define DEBUG_o(a)
2885# define DEBUG_c(a)
2886# define DEBUG_P(a)
2887# define DEBUG_m(a)
2888# define DEBUG_f(a)
2889# define DEBUG_r(a)
2890# define DEBUG_x(a)
2891# define DEBUG_u(a)
aea4f609
DM		 2892# define DEBUG_H(a)
2893# define DEBUG_X(a)
dd2155a4 2894# define DEBUG_Xv(a)
aea4f609
DM		 2895# define DEBUG_D(a)
2896# define DEBUG_S(a)
2897# define DEBUG_T(a)
04932ac8 2898# define DEBUG_R(a)
d6721266 2899# define DEBUG_v(a)
46187eeb 2900# define DEBUG_C(a)
ecae49c0
NC		 2901# define DEBUG_A(a)
2902# define DEBUG_q(a)
aea4f609
DM		 2903#endif /* DEBUGGING */
2904
2905
b4ab917c
DM		 2906#define DEBUG_SCOPE(where) \
2907 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2908 where, PL_scopestack_ix, __FILE__, __LINE__)));
2909
2910
2911
2912
d1be9408 2913/* These constants should be used in preference to raw characters
14befaf4
DM		 2914 * when using magic. Note that some perl guts still assume
2915 * certain character properties of these constants, namely that
2916 * isUPPER() and toLOWER() may do useful mappings.
2917 *
2918 * Update the magic_names table in dump.c when adding/amending these
2919 */
2920
2921#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2922#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2923#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2924#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2925#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2926#define PERL_MAGIC_regdata 'D' /* Regex match position data
2927 (@+ and @- vars) */
2928#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2929#define PERL_MAGIC_env 'E' /* %ENV hash */
2930#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2931#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2932#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2933#define PERL_MAGIC_isa 'I' /* @ISA array */
2934#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2935#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2936#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2937#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2938#define PERL_MAGIC_mutex 'm' /* for lock op */
2939#define PERL_MAGIC_shared 'N' /* Shared between threads */
2940#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2941#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2942#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2943#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2944#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2945#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2946#define PERL_MAGIC_sig 'S' /* %SIG hash */
2947#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2948#define PERL_MAGIC_taint 't' /* Taintedness */
2949#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2950#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2951#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2952#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2953#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2954#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2955#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2956 smart parameter vivification */
2957#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2958#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2959#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2960#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2961#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2962
2963
a6e633de 2964#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 2965#define assert(what) PERL_DEB( \
2966 ((what) ? ((void) 0) : \
2967 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2968 __FILE__, __LINE__), \
2969 PerlProc_exit(1), \
2970 (void) 0)))
a446a88f 2971#endif
8d063cd8 2972
450a55e4 2973struct ufuncs {
24f81a43
DM		 2974 I32 (*uf_val)(pTHX_ IV, SV*);
2975 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2976 IV uf_index;
450a55e4
LW		 2977};
2978
14befaf4 2979/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2980 * XS code wanting to be backward compatible can do something
2981 * like the following:
c745e42c 2982
24f81a43 2983#ifndef PERL_MG_UFUNC
24f81a43
DM		 2984#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2985#endif
2986
2987static PERL_MG_UFUNC(foo_get, index, val)
2988{
2989 sv_setsv(val, ...);
2990 return TRUE;
2991}
2992
2993-- Doug MacEachern
2994
2995*/
2996
fc9c74e6 2997#ifndef PERL_MG_UFUNC
24f81a43 2998#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2999#endif
24f81a43 3000
fe14fcc3 3001/* Fix these up for __STDC__ */
68dc0745 3002#ifndef DONT_DECLARE_STD
20ce7b12 3003char *mktemp (char*);
37bd1396 3004#ifndef atof
20ce7b12 3005double atof (const char*);
a0d0e21e 3006#endif
37bd1396 3007#endif
79072805 3008
352d5a3a 3009#ifndef STANDARD_C
fe14fcc3 3010/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3011Time_t time();
8d063cd8 3012struct tm *gmtime(), *localtime();
092bebab 3013#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3014char *(strchr)(), *(strrchr)();
3015char *(strcpy)(), *(strcat)();
3016#else
93a17b20 3017char *strchr(), *strrchr();
378cc40b 3018char *strcpy(), *strcat();
9d116dd7 3019#endif
352d5a3a 3020#endif /* ! STANDARD_C */
8d063cd8 3021
79072805
LW		 3022
3023#ifdef I_MATH
3024# include <math.h>
3025#else
32f822de 3026START_EXTERN_C
20ce7b12
GS		 3027 double exp (double);
3028 double log (double);
3029 double log10 (double);
3030 double sqrt (double);
3031 double frexp (double,int*);
3032 double ldexp (double,int);
3033 double modf (double,double*);
3034 double sin (double);
3035 double cos (double);
3036 double atan2 (double,double);
3037 double pow (double,double);
32f822de 3038END_EXTERN_C
79072805
LW		 3039#endif
3040
aa8b85de
JH		 3041#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3042# define NV_INF LDBL_INFINITY
3043#endif
3044#if !defined(NV_INF) && defined(DBL_INFINITY)
3045# define NV_INF (NV)DBL_INFINITY
3046#endif
3047#if !defined(NV_INF) && defined(INFINITY)
3048# define NV_INF (NV)INFINITY
3049#endif
3050#if !defined(NV_INF) && defined(INF)
3051# define NV_INF (NV)INF
3052#endif
3053#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3054# define NV_INF (NV)HUGE_VALL
3055#endif
3056#if !defined(NV_INF) && defined(HUGE_VAL)
3057# define NV_INF (NV)HUGE_VAL
3058#endif
3059
3060#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3061# if !defined(NV_NAN) && defined(LDBL_NAN)
3062# define NV_NAN LDBL_NAN
3063# endif
3064# if !defined(NV_NAN) && defined(LDBL_QNAN)
3065# define NV_NAN LDBL_QNAN
3066# endif
3067# if !defined(NV_NAN) && defined(LDBL_SNAN)
3068# define NV_NAN LDBL_SNAN
3069# endif
3070#endif
3071#if !defined(NV_NAN) && defined(DBL_NAN)
3072# define NV_NAN (NV)DBL_NAN
3073#endif
3074#if !defined(NV_NAN) && defined(DBL_QNAN)
3075# define NV_NAN (NV)DBL_QNAN
3076#endif
3077#if !defined(NV_NAN) && defined(DBL_SNAN)
3078# define NV_NAN (NV)DBL_SNAN
3079#endif
3080#if !defined(NV_NAN) && defined(QNAN)
3081# define NV_NAN (NV)QNAN
3082#endif
3083#if !defined(NV_NAN) && defined(SNAN)
3084# define NV_NAN (NV)SNAN
3085#endif
3086#if !defined(NV_NAN) && defined(NAN)
3087# define NV_NAN (NV)NAN
3088#endif
3089
a0d0e21e 3090#ifndef __cplusplus
8f1f23e8 3091# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3092char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3093# else
fd8cd3a3 3094# if !defined(WIN32) && !defined(VMS)
10bc17b6 3095#ifndef crypt
20ce7b12 3096char *crypt (const char*, const char*);
10bc17b6 3097#endif
5014db98 3098# endif /* !WIN32 */
8f1f23e8 3099# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3100# ifndef DONT_DECLARE_STD
3101# ifndef getenv
20ce7b12 3102char *getenv (const char*);
26618a56 3103# endif /* !getenv */
28ca6303 3104# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3105# ifdef _FILE_OFFSET_BITS
28ca6303 3106# if _FILE_OFFSET_BITS == 64
20ce7b12 3107Off_t lseek (int,Off_t,int);
0fc67700
JH		 3108# endif
3109# endif
bf0c440f 3110# endif
26618a56 3111# endif /* !DONT_DECLARE_STD */
10bc17b6 3112#ifndef getlogin
20ce7b12 3113char *getlogin (void);
10bc17b6 3114#endif
26618a56 3115#endif /* !__cplusplus */
79072805 3116
16d20bd9 3117#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3118#define UNLINK unlnk
20ce7b12 3119I32 unlnk (char*);
8d063cd8 3120#else
80252599 3121#define UNLINK PerlLIO_unlink
8d063cd8 3122#endif
a687059c 3123
fa0a29af
JH		 3124/* some versions of glibc are missing the setresuid() proto */
3125#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3126int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3127#endif
fa0a29af
JH		 3128/* some versions of glibc are missing the setresgid() proto */
3129#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3130int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3131#endif
3132
fe14fcc3 3133#ifndef HAS_SETREUID
85e6fe83
LW		 3134# ifdef HAS_SETRESUID
3135# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3136# define HAS_SETREUID
3137# endif
a687059c 3138#endif
fe14fcc3 3139#ifndef HAS_SETREGID
85e6fe83
LW		 3140# ifdef HAS_SETRESGID
3141# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3142# define HAS_SETREGID
3143# endif
a687059c 3144#endif
ee0007ab 3145
d543acb6 3146/* Sighandler_t defined in iperlsys.h */
ff68c719 3147
3148#ifdef HAS_SIGACTION
3149typedef struct sigaction Sigsave_t;
3150#else
3151typedef Sighandler_t Sigsave_t;
3152#endif
3153
ee0007ab
LW		 3154#define SCAN_DEF 0
3155#define SCAN_TR 1
3156#define SCAN_REPL 2
79072805
LW		 3157
3158#ifdef DEBUGGING
4633a7c4 3159# ifndef register
a0d0e21e
LW		 3160# define register
3161# endif
cea2e8a9 3162# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3163#else
cea2e8a9 3164# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3165#endif
3166
18f739ee 3167#ifdef MYMALLOC
772fe5b3 3168# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3169# define MALLOC_INIT \
3170 STMT_START { \
3171 PL_malloc_mutex = NULL; \
3172 MUTEX_INIT(&PL_malloc_mutex); \
3173 } STMT_END
3174# define MALLOC_TERM \
3175 STMT_START { \
3176 perl_mutex tmp = PL_malloc_mutex; \
3177 PL_malloc_mutex = NULL; \
3178 MUTEX_DESTROY(&tmp); \
3179 } STMT_END
3180# else
3181# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3182# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3183# endif
18f739ee
IZ		 3184#else
3185# define MALLOC_INIT
3186# define MALLOC_TERM
3187#endif
3188
b6d9d515 3189
0cb96387 3190typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3191typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3192typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3193typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3194
940cb80d 3195/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3196#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3197
8f1f23e8
W		 3198/* NeXT has problems with crt0.o globals */
3199#if defined(__DYNAMIC__) && \
6239f2da 3200 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3201# if defined(NeXT) || defined(__NeXT)
3202# include <mach-o/dyld.h>
3203# define environ (*environ_pointer)
0c30d9ec 3204EXT char *** environ_pointer;
8f1f23e8 3205# else
6239f2da 3206# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3207# include <crt_externs.h> /* for the env array */
3208# define environ (*_NSGetEnviron())
3209# endif
0c30d9ec 3210# endif
8f1f23e8
W		 3211#else
3212 /* VMS and some other platforms don't use the environ array */
13b6e58c 3213# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3214# if !defined(DONT_DECLARE_STD) || \
3215 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3216 defined(__sgi) || \
d460ef45 3217 defined(__DGUX)
8f1f23e8 3218extern char ** environ; /* environment variables supplied via exec */
a6c40364 3219# endif
8f1f23e8
W		 3220# endif
3221#endif
79072805 3222
73c4f7a1
GS		 3223START_EXTERN_C
3224
79072805 3225/* handy constants */
22c35a8c 3226EXTCONST char PL_warn_uninit[]
29489e7c 3227 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3228EXTCONST char PL_warn_nosemi[]
463ee0b2 3229 INIT("Semicolon seems to be missing");
22c35a8c 3230EXTCONST char PL_warn_reserved[]
463ee0b2 3231 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3232EXTCONST char PL_warn_nl[]
93a17b20 3233 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3234EXTCONST char PL_no_wrongref[]
a0d0e21e 3235 INIT("Can't use %s ref as %s ref");
22c35a8c 3236EXTCONST char PL_no_symref[]
748a9306 3237 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d
NC		 3238EXTCONST char PL_no_symref_sv[]
3239 INIT("Can't use string (\"%.32" SVf "\") as %s ref while \"strict refs\" in use");
22c35a8c 3240EXTCONST char PL_no_usym[]
8990e307 3241 INIT("Can't use an undefined value as %s reference");
22c35a8c 3242EXTCONST char PL_no_aelem[]
93a17b20 3243 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3244EXTCONST char PL_no_helem[]
93a17b20 3245 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3246EXTCONST char PL_no_modify[]
93a17b20 3247 INIT("Modification of a read-only value attempted");
22c35a8c 3248EXTCONST char PL_no_mem[]
93a17b20 3249 INIT("Out of memory!\n");
22c35a8c 3250EXTCONST char PL_no_security[]
463ee0b2 3251 INIT("Insecure dependency in %s%s");
22c35a8c 3252EXTCONST char PL_no_sock_func[]
93a17b20 3253 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3254EXTCONST char PL_no_dir_func[]
93a17b20 3255 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3256EXTCONST char PL_no_func[]
93a17b20 3257 INIT("The %s function is unimplemented");
22c35a8c 3258EXTCONST char PL_no_myglob[]
748a9306 3259 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3260EXTCONST char PL_no_localize_ref[]
3261 INIT("Can't localize through a reference");
27d5b266
JH		 3262#ifdef PERL_MALLOC_WRAP
3263EXTCONST char PL_memory_wrap[]
3264 INIT("panic: memory wrap");
3265#endif
93a17b20 3266
7575fa06 3267EXTCONST char PL_uuemap[65]
80252599
GS		 3268 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3269
3270
79072805 3271#ifdef DOINIT
22c35a8c
GS		 3272EXT char *PL_sig_name[] = { SIG_NAME };
3273EXT int PL_sig_num[] = { SIG_NUM };
79072805 3274#else
22c35a8c
GS		 3275EXT char *PL_sig_name[];
3276EXT int PL_sig_num[];
79072805
LW		 3277#endif
3278
3bd709b1 3279/* fast conversion and case folding tables */
bbce6d69 3280
79072805 3281#ifdef DOINIT
9d116dd7 3282#ifdef EBCDIC
22c35a8c 3283EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3284 0, 1, 2, 3, 4, 5, 6, 7,
3285 8, 9, 10, 11, 12, 13, 14, 15,
3286 16, 17, 18, 19, 20, 21, 22, 23,
3287 24, 25, 26, 27, 28, 29, 30, 31,
3288 32, 33, 34, 35, 36, 37, 38, 39,
3289 40, 41, 42, 43, 44, 45, 46, 47,
3290 48, 49, 50, 51, 52, 53, 54, 55,
3291 56, 57, 58, 59, 60, 61, 62, 63,
3292 64, 65, 66, 67, 68, 69, 70, 71,
3293 72, 73, 74, 75, 76, 77, 78, 79,
3294 80, 81, 82, 83, 84, 85, 86, 87,
3295 88, 89, 90, 91, 92, 93, 94, 95,
3296 96, 97, 98, 99, 100, 101, 102, 103,
3297 104, 105, 106, 107, 108, 109, 110, 111,
3298 112, 113, 114, 115, 116, 117, 118, 119,
3299 120, 121, 122, 123, 124, 125, 126, 127,
3300 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3301 'H', 'I', 138, 139, 140, 141, 142, 143,
3302 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3303 'Q', 'R', 154, 155, 156, 157, 158, 159,
3304 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3305 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3306 176, 177, 178, 179, 180, 181, 182, 183,
3307 184, 185, 186, 187, 188, 189, 190, 191,
3308 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3309 'h', 'i', 202, 203, 204, 205, 206, 207,
3310 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3311 'q', 'r', 218, 219, 220, 221, 222, 223,
3312 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3313 'y', 'z', 234, 235, 236, 237, 238, 239,
3314 240, 241, 242, 243, 244, 245, 246, 247,
3315 248, 249, 250, 251, 252, 253, 254, 255
3316};
3317#else /* ascii rather than ebcdic */
22c35a8c 3318EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3319 0, 1, 2, 3, 4, 5, 6, 7,
3320 8, 9, 10, 11, 12, 13, 14, 15,
3321 16, 17, 18, 19, 20, 21, 22, 23,
3322 24, 25, 26, 27, 28, 29, 30, 31,
3323 32, 33, 34, 35, 36, 37, 38, 39,
3324 40, 41, 42, 43, 44, 45, 46, 47,
3325 48, 49, 50, 51, 52, 53, 54, 55,
3326 56, 57, 58, 59, 60, 61, 62, 63,
3327 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3328 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3329 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3330 'x', 'y', 'z', 91, 92, 93, 94, 95,
3331 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3332 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3333 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3334 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3335 128, 129, 130, 131, 132, 133, 134, 135,
3336 136, 137, 138, 139, 140, 141, 142, 143,
3337 144, 145, 146, 147, 148, 149, 150, 151,
3338 152, 153, 154, 155, 156, 157, 158, 159,
3339 160, 161, 162, 163, 164, 165, 166, 167,
3340 168, 169, 170, 171, 172, 173, 174, 175,
3341 176, 177, 178, 179, 180, 181, 182, 183,
3342 184, 185, 186, 187, 188, 189, 190, 191,
3343 192, 193, 194, 195, 196, 197, 198, 199,
3344 200, 201, 202, 203, 204, 205, 206, 207,
3345 208, 209, 210, 211, 212, 213, 214, 215,
3346 216, 217, 218, 219, 220, 221, 222, 223,
3347 224, 225, 226, 227, 228, 229, 230, 231,
3348 232, 233, 234, 235, 236, 237, 238, 239,
3349 240, 241, 242, 243, 244, 245, 246, 247,
3350 248, 249, 250, 251, 252, 253, 254, 255
3351};
9d116dd7 3352#endif /* !EBCDIC */
79072805 3353#else
22c35a8c 3354EXTCONST unsigned char PL_fold[];
79072805
LW		 3355#endif
3356
3357#ifdef DOINIT
22c35a8c 3358EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3359 0, 1, 2, 3, 4, 5, 6, 7,
3360 8, 9, 10, 11, 12, 13, 14, 15,
3361 16, 17, 18, 19, 20, 21, 22, 23,
3362 24, 25, 26, 27, 28, 29, 30, 31,
3363 32, 33, 34, 35, 36, 37, 38, 39,
3364 40, 41, 42, 43, 44, 45, 46, 47,
3365 48, 49, 50, 51, 52, 53, 54, 55,
3366 56, 57, 58, 59, 60, 61, 62, 63,
3367 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3368 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3369 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3370 'x', 'y', 'z', 91, 92, 93, 94, 95,
3371 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3372 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3373 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3374 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3375 128, 129, 130, 131, 132, 133, 134, 135,
3376 136, 137, 138, 139, 140, 141, 142, 143,
3377 144, 145, 146, 147, 148, 149, 150, 151,
3378 152, 153, 154, 155, 156, 157, 158, 159,
3379 160, 161, 162, 163, 164, 165, 166, 167,
3380 168, 169, 170, 171, 172, 173, 174, 175,
3381 176, 177, 178, 179, 180, 181, 182, 183,
3382 184, 185, 186, 187, 188, 189, 190, 191,
3383 192, 193, 194, 195, 196, 197, 198, 199,
3384 200, 201, 202, 203, 204, 205, 206, 207,
3385 208, 209, 210, 211, 212, 213, 214, 215,
3386 216, 217, 218, 219, 220, 221, 222, 223,
3387 224, 225, 226, 227, 228, 229, 230, 231,
3388 232, 233, 234, 235, 236, 237, 238, 239,
3389 240, 241, 242, 243, 244, 245, 246, 247,
3390 248, 249, 250, 251, 252, 253, 254, 255
3391};
3392#else
22c35a8c 3393EXT unsigned char PL_fold_locale[];
79072805
LW		 3394#endif
3395
3396#ifdef DOINIT
9d116dd7 3397#ifdef EBCDIC
22c35a8c 3398EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3399 1, 2, 84, 151, 154, 155, 156, 157,
3400 165, 246, 250, 3, 158, 7, 18, 29,
3401 40, 51, 62, 73, 85, 96, 107, 118,
3402 129, 140, 147, 148, 149, 150, 152, 153,
3403 255, 6, 8, 9, 10, 11, 12, 13,
3404 14, 15, 24, 25, 26, 27, 28, 226,
3405 29, 30, 31, 32, 33, 43, 44, 45,
3406 46, 47, 48, 49, 50, 76, 77, 78,
3407 79, 80, 81, 82, 83, 84, 85, 86,
3408 87, 94, 95, 234, 181, 233, 187, 190,
3409 180, 96, 97, 98, 99, 100, 101, 102,
3410 104, 112, 182, 174, 236, 232, 229, 103,
3411 228, 226, 114, 115, 116, 117, 118, 119,
3412 120, 121, 122, 235, 176, 230, 194, 162,
3413 130, 131, 132, 133, 134, 135, 136, 137,
3414 138, 139, 201, 205, 163, 217, 220, 224,
3415 5, 248, 227, 244, 242, 255, 241, 231,
3416 240, 253, 16, 197, 19, 20, 21, 187,
3417 23, 169, 210, 245, 237, 249, 247, 239,
3418 168, 252, 34, 196, 36, 37, 38, 39,
3419 41, 42, 251, 254, 238, 223, 221, 213,
3420 225, 177, 52, 53, 54, 55, 56, 57,
3421 58, 59, 60, 61, 63, 64, 65, 66,
3422 67, 68, 69, 70, 71, 72, 74, 75,
3423 205, 208, 186, 202, 200, 218, 198, 179,
3424 178, 214, 88, 89, 90, 91, 92, 93,
3425 217, 166, 170, 207, 199, 209, 206, 204,
3426 160, 212, 105, 106, 108, 109, 110, 111,
3427 203, 113, 216, 215, 192, 175, 193, 243,
3428 172, 161, 123, 124, 125, 126, 127, 128,
3429 222, 219, 211, 195, 188, 193, 185, 184,
3430 191, 183, 141, 142, 143, 144, 145, 146
3431};
3432#else /* ascii rather than ebcdic */
22c35a8c 3433EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3434 1, 2, 84, 151, 154, 155, 156, 157,
3435 165, 246, 250, 3, 158, 7, 18, 29,
3436 40, 51, 62, 73, 85, 96, 107, 118,
3437 129, 140, 147, 148, 149, 150, 152, 153,
3438 255, 182, 224, 205, 174, 176, 180, 217,
3439 233, 232, 236, 187, 235, 228, 234, 226,
3440 222, 219, 211, 195, 188, 193, 185, 184,
3441 191, 183, 201, 229, 181, 220, 194, 162,
3442 163, 208, 186, 202, 200, 218, 198, 179,
3443 178, 214, 166, 170, 207, 199, 209, 206,
3444 204, 160, 212, 216, 215, 192, 175, 173,
3445 243, 172, 161, 190, 203, 189, 164, 230,
3446 167, 248, 227, 244, 242, 255, 241, 231,
3447 240, 253, 169, 210, 245, 237, 249, 247,
3448 239, 168, 252, 251, 254, 238, 223, 221,
3449 213, 225, 177, 197, 171, 196, 159, 4,
3450 5, 6, 8, 9, 10, 11, 12, 13,
3451 14, 15, 16, 17, 19, 20, 21, 22,
3452 23, 24, 25, 26, 27, 28, 30, 31,
3453 32, 33, 34, 35, 36, 37, 38, 39,
3454 41, 42, 43, 44, 45, 46, 47, 48,
3455 49, 50, 52, 53, 54, 55, 56, 57,
3456 58, 59, 60, 61, 63, 64, 65, 66,
3457 67, 68, 69, 70, 71, 72, 74, 75,
3458 76, 77, 78, 79, 80, 81, 82, 83,
3459 86, 87, 88, 89, 90, 91, 92, 93,
3460 94, 95, 97, 98, 99, 100, 101, 102,
3461 103, 104, 105, 106, 108, 109, 110, 111,
3462 112, 113, 114, 115, 116, 117, 119, 120,
3463 121, 122, 123, 124, 125, 126, 127, 128,
3464 130, 131, 132, 133, 134, 135, 136, 137,
3465 138, 139, 141, 142, 143, 144, 145, 146
3466};
9d116dd7 3467#endif
79072805 3468#else
22c35a8c 3469EXTCONST unsigned char PL_freq[];
79072805
LW		 3470#endif
3471
8990e307
LW		 3472#ifdef DEBUGGING
3473#ifdef DOINIT
22c35a8c 3474EXTCONST char* PL_block_type[] = {
8990e307
LW		 3475 "NULL",
3476 "SUB",
3477 "EVAL",
3478 "LOOP",
3479 "SUBST",
3480 "BLOCK",
3481};
3482#else
22c35a8c 3483EXTCONST char* PL_block_type[];
8990e307
LW		 3484#endif
3485#endif
3486
73c4f7a1
GS		 3487END_EXTERN_C
3488
79072805
LW		 3489/*****************************************************************************/
3490/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3491/*****************************************************************************/
8990e307 3492/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3493
d4c3c482 3494#ifdef __Lynx__
9cffb111
OS		 3495/* LynxOS defines these in scsi.h which is included via ioctl.h */
3496#ifdef FORMAT
3497#undef FORMAT
3498#endif
3499#ifdef SPACE
3500#undef SPACE
3501#endif
d4c3c482 3502#endif
9cffb111 3503
1fd33325
MHM		 3504/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3505 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3506 * it's not really needed.
3507 */
3508#if defined(WIN32)
3509# define YYTOKENTYPE
3510#endif
a0d0e21e
LW		 3511#include "perly.h"
3512
fb73857a 3513#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3514
79072805
LW		 3515typedef enum {
3516 XOPERATOR,
3517 XTERM,
79072805 3518 XREF,
8990e307 3519 XSTATE,
a0d0e21e 3520 XBLOCK,
09bef843
SB		 3521 XATTRBLOCK,
3522 XATTRTERM,
6f33ba73
RGS		 3523 XTERMBLOCK,
3524 XTERMORDORDOR /* evil hack */
27308ded 3525 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3526} expectation;
3527
dc9e4912
GS		 3528enum { /* pass one of these to get_vtbl */
3529 want_vtbl_sv,
3530 want_vtbl_env,
3531 want_vtbl_envelem,
3532 want_vtbl_sig,
3533 want_vtbl_sigelem,
3534 want_vtbl_pack,
3535 want_vtbl_packelem,
3536 want_vtbl_dbline,
3537 want_vtbl_isa,
3538 want_vtbl_isaelem,
3539 want_vtbl_arylen,
3540 want_vtbl_glob,
3541 want_vtbl_mglob,
3542 want_vtbl_nkeys,
3543 want_vtbl_taint,
3544 want_vtbl_substr,
3545 want_vtbl_vec,
3546 want_vtbl_pos,
3547 want_vtbl_bm,
3548 want_vtbl_fm,
3549 want_vtbl_uvar,
3550 want_vtbl_defelem,
3551 want_vtbl_regexp,
3552 want_vtbl_collxfrm,
3553 want_vtbl_amagic,
3554 want_vtbl_amagicelem,
dc9e4912 3555 want_vtbl_regdata,
810b8aa5 3556 want_vtbl_regdatum,
7e8c5dac
HS		 3557 want_vtbl_backref,
3558 want_vtbl_utf8
dc9e4912
GS		 3559};
3560
85e6fe83
LW		 3561 /* Note: the lowest 8 bits are reserved for
3562 stuffing into op->op_private */
f3aa04c2 3563#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3564#define HINT_INTEGER 0x00000001 /* integer pragma */
3565#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3566#define HINT_LOCALE 0x00000004 /* locale pragma */
3567#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3568/* #define HINT_notused10 0x00000010 */
a0ed51b3 3569 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3570 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3571
3572#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3573#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3574#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3575
9cfe5470 3576/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3577#define HINT_NEW_INTEGER 0x00001000
3578#define HINT_NEW_FLOAT 0x00002000
3579#define HINT_NEW_BINARY 0x00004000
3580#define HINT_NEW_STRING 0x00008000
3581#define HINT_NEW_RE 0x00010000
3582#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3583
9cfe5470
RGS		 3584#define HINT_RE_TAINT 0x00100000 /* re pragma */
3585#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3586
9cfe5470
RGS		 3587#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3588#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3589
8fa7688f 3590/* assertions pragma */
06492da6 3591#define HINT_ASSERTING 0x01000000
8fa7688f 3592#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3593
9cfe5470 3594/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3595#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3596#define HINT_SORT_QUICKSORT 0x00000001
3597#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3598#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3599
8bfdd7d9 3600/* Various states of the input record separator SV (rs) */
d4cce5f1 3601#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3602#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3603#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3604#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3605
128e8167 3606/* A struct for keeping various DEBUGGING related stuff,
ce333219 3607 * neatly packed. Currently only scratch variables for
128e8167
JH		 3608 * constructing debug output are included. Needed always,
3609 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3610struct perl_debug_pad {
3611 SV pad[3];
3612};
3613
3614#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3615#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3616
56953603 3617/* Enable variables which are pointers to functions */
a2efc822 3618typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3619typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3620typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3621 char* strend, char* strbeg, I32 minend,
3622 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3623typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3624 char *strpos, char *strend,
3625 U32 flags,
3626 struct re_scream_pos_data_s *d);
3627typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3628typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3629
c76ac1ee 3630typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3631typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3632typedef void (*SVFUNC_t) (pTHX_ SV*);
3633typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3634typedef void (*XSINIT_t) (pTHX);
3635typedef void (*ATEXIT_t) (pTHX_ void*);
3636typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3637
22239a37
NIS		 3638/* Set up PERLVAR macros for populating structs */
3639#define PERLVAR(var,type) type var;
51371543 3640#define PERLVARA(var,n,type) type var[n];
22239a37 3641#define PERLVARI(var,type,init) type var;
3fe35a81 3642#define PERLVARIC(var,type,init) type var;
22239a37 3643
58a50f62
GS		 3644/* Interpreter exitlist entry */
3645typedef struct exitlistentry {
acfe0abc 3646 void (*fn) (pTHX_ void*);
58a50f62
GS		 3647 void *ptr;
3648} PerlExitListEntry;
3649
22239a37
NIS		 3650#ifdef PERL_GLOBAL_STRUCT
3651struct perl_vars {
7766f137 3652# include "perlvars.h"
22239a37
NIS		 3653};
3654
7766f137 3655# ifdef PERL_CORE
533c011a
NIS		 3656EXT struct perl_vars PL_Vars;
3657EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3658# else /* PERL_CORE */
3659# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3660EXT
7766f137 3661# endif /* WIN32 */
533c011a 3662struct perl_vars *PL_VarsPtr;
7766f137
GS		 3663# define PL_Vars (*((PL_VarsPtr) \
3664 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3665# endif /* PERL_CORE */
22239a37
NIS		 3666#endif /* PERL_GLOBAL_STRUCT */
3667
acfe0abc 3668#if defined(MULTIPLICITY)
d460ef45 3669/* If we have multiple interpreters define a struct
d4cce5f1 3670 holding variables which must be per-interpreter
d460ef45 3671 If we don't have threads anything that would have
d4cce5f1
NIS		 3672 be per-thread is per-interpreter.
3673*/
3674
79072805 3675struct interpreter {
3db8f154 3676# include "thrdvar.h"
7766f137
GS		 3677# include "intrpvar.h"
3678/*
3679 * The following is a buffer where new variables must
acfe0abc 3680 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3681 */
3682PERLVARA(object_compatibility,30, char)
49f531da 3683};
d4cce5f1 3684
79072805 3685#else
49f531da
NIS		 3686struct interpreter {
3687 char broiled;
3688};
acfe0abc 3689#endif /* MULTIPLICITY */
79072805 3690
22fae026 3691typedef void *Thread;
22239a37
NIS		 3692
3693/* Done with PERLVAR macros for now ... */
d4cce5f1 3694#undef PERLVAR
51371543 3695#undef PERLVARA
d4cce5f1 3696#undef PERLVARI
3fe35a81 3697#undef PERLVARIC
79072805 3698
49704364
WL		 3699/* Types used by pack/unpack */
3700typedef enum {
3701 e_no_len, /* no length */
3702 e_number, /* number, [] */
3703 e_star /* asterisk */
3704} howlen_t;
3705
3706typedef struct {
3707 char* patptr; /* current template char */
3708 char* patend; /* one after last char */
3709 char* grpbeg; /* 1st char of ()-group */
3710 char* grpend; /* end of ()-group */
66c611c5 3711 I32 code; /* template code (!<>) */
49704364
WL		 3712 I32 length; /* length/repeat count */
3713 howlen_t howlen; /* how length is given */
3714 int level; /* () nesting level */
3715 U32 flags; /* /=4, comma=2, pack=1 */
66c611c5 3716 /* and group modifiers */
49704364
WL		 3717} tempsym_t;
3718
22239a37 3719#include "thread.h"
79072805 3720#include "pp.h"
864dbfa3
GS		 3721
3722#ifndef PERL_CALLCONV
3723# define PERL_CALLCONV
d460ef45 3724#endif
864dbfa3 3725
65f19062
GS		 3726#ifndef NEXT30_NO_ATTRIBUTE
3727# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3728# ifdef __attribute__ /* Avoid possible redefinition errors */
3729# undef __attribute__
3730# endif
3731# define __attribute__(attr)
3732# endif
3733#endif
3734
0cb96387
GS		 3735#undef PERL_CKDEF
3736#undef PERL_PPDEF
3737#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3738#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3739
7766f137 3740#include "proto.h"
864dbfa3 3741
0cb96387 3742/* this has structure inits, so it cannot be included before here */
acfe0abc 3743#include "opcode.h"
864dbfa3 3744
d4cce5f1
NIS		 3745/* The following must follow proto.h as #defines mess up syntax */
3746
22c35a8c
GS		 3747#if !defined(PERL_FOR_X2P)
3748# include "embedvar.h"
3749#endif
d4cce5f1 3750
d460ef45 3751/* Now include all the 'global' variables
d4cce5f1 3752 * If we don't have threads or multiple interpreters
d460ef45 3753 * these include variables that would have been their struct-s
d4cce5f1 3754 */
d460ef45 3755
533c011a 3756#define PERLVAR(var,type) EXT type PL_##var;
51371543 3757#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3758#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3759#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3760
acfe0abc 3761#if !defined(MULTIPLICITY)
7766f137 3762START_EXTERN_C
066ef5b5 3763# include "intrpvar.h"
3db8f154 3764# include "thrdvar.h"
7766f137 3765END_EXTERN_C
22239a37
NIS		 3766#endif
3767
acfe0abc 3768#if defined(WIN32)
66a93824 3769/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3770# include "embed.h"
acfe0abc 3771#endif
22239a37 3772
c5be433b
GS		 3773#ifndef PERL_GLOBAL_STRUCT
3774START_EXTERN_C
3775
3776# include "perlvars.h"
3777
3778END_EXTERN_C
3779#endif
3780
d4cce5f1 3781#undef PERLVAR
51371543 3782#undef PERLVARA
d4cce5f1 3783#undef PERLVARI
0f3f18a6 3784#undef PERLVARIC
79072805 3785
73c4f7a1
GS		 3786START_EXTERN_C
3787
79072805 3788#ifdef DOINIT
bbce6d69 3789
68795e93 3790EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3791 MEMBER_TO_FPTR(Perl_magic_set),
3792 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3793 0, 0};
2b260de0
GS		 3794EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3795 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),