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[perl #34976] substr uses utf8 length cache incorrectly
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 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 206#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 207# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
208# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
209# endif
5dc8bdac
JH		 210#endif
211
728e2803 212/*
213 * STMT_START { statements; } STMT_END;
214 * can be used as a single statement, as in
215 * if (x) STMT_START { ... } STMT_END; else ...
216 *
217 * Trying to select a version that gives no warnings...
218 */
219#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 220# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 221# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
222# define STMT_END )
223# else
224 /* Now which other defined()s do we need here ??? */
93189314 225# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 226# define STMT_START if (1)
227# define STMT_END else (void)0
228# else
229# define STMT_START do
230# define STMT_END while (0)
231# endif
232# endif
233#endif
234
0cb96387 235#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 236#define WITH_THR(s) WITH_THX(s)
ea0efc06 237
55497cff 238/*
239 * SOFT_CAST can be used for args to prototyped functions to retain some
240 * type checking; it only casts if the compiler does not know prototypes.
241 */
242#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
243#define SOFT_CAST(type)
244#else
245#define SOFT_CAST(type) (type)
246#endif
79072805 247
d6f9c181
JH		 248#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
249# define BYTEORDER 0x1234
79072805
LW		 250#endif
251
252/* Overall memory policy? */
253#ifndef CONSERVATIVE
254# define LIBERAL 1
255#endif
256
8ada0baa
JH		 257#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
258#define ASCIIish
259#else
260#undef ASCIIish
261#endif
262
79072805
LW		 263/*
264 * The following contortions are brought to you on behalf of all the
265 * standards, semi-standards, de facto standards, not-so-de-facto standards
266 * of the world, as well as all the other botches anyone ever thought of.
267 * The basic theory is that if we work hard enough here, the rest of the
268 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
269 */
ac58e20f 270
ee0007ab 271/* define this once if either system, instead of cluttering up the src */
2986a63f 272#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 273#define DOSISH 1
274#endif
275
2986a63f 276#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 277# define STANDARD_C 1
278#endif
279
a03dbf46 280#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 281# define DONT_DECLARE_STD 1
282#endif
283
352d5a3a 284#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 285# ifdef __cplusplus
cb69f87a 286# define VOL /* to temporarily suppress warnings */
79072805
LW		 287# else
288# define VOL volatile
289# endif
663a0e37 290#else
79072805 291# define VOL
663a0e37
LW		 292#endif
293
3280af22
NIS		 294#define TAINT (PL_tainted = TRUE)
295#define TAINT_NOT (PL_tainted = FALSE)
296#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
297#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 298#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 299
d460ef45 300/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 301 defines move there? If so, I could simplify this a lot. --AD 9/96.
302*/
303/* Process group stuff changed from traditional BSD to POSIX.
304 perlfunc.pod documents the traditional BSD-style syntax, so we'll
305 try to preserve that, if possible.
306*/
307#ifdef HAS_SETPGID
308# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 309#else
a6e633de 310# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
311# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
312# else
313# ifdef HAS_SETPGRP2 /* DG/UX */
314# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
315# endif
316# endif
317#endif
318#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
319# define HAS_SETPGRP /* Well, effectively it does . . . */
320#endif
321
322/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
323 our life easier :-) so we'll try it.
324*/
325#ifdef HAS_GETPGID
326# define BSD_GETPGRP(pid) getpgid((pid))
327#else
328# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
329# define BSD_GETPGRP(pid) getpgrp((pid))
330# else
331# ifdef HAS_GETPGRP2 /* DG/UX */
332# define BSD_GETPGRP(pid) getpgrp2((pid))
333# endif
334# endif
335#endif
336#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
337# define HAS_GETPGRP /* Well, effectively it does . . . */
338#endif
339
d460ef45 340/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 341 have different behaviors, but perl.h used to define USE_BSDPGRP
342 (prior to 5.003_05) so some extension might depend on it.
343*/
344#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
345# ifndef USE_BSDPGRP
346# define USE_BSDPGRP
347# endif
663a0e37
LW		 348#endif
349
8ac5a1fe
MH		 350/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
351 pthread.h must be included before all other header files.
352*/
3db8f154 353#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 354# include <pthread.h>
355#endif
356
760ac839
LW		 357#ifndef _TYPES_ /* If types.h defines this it's easy. */
358# ifndef major /* Does everyone's types.h define this? */
359# include <sys/types.h>
c07a80fd 360# endif
663a0e37
LW		 361#endif
362
760ac839
LW		 363#ifdef __cplusplus
364# ifndef I_STDARG
365# define I_STDARG 1
366# endif
367#endif
368
369#ifdef I_STDARG
370# include <stdarg.h>
371#else
372# ifdef I_VARARGS
373# include <varargs.h>
374# endif
375#endif
376
4633a7c4 377#ifdef USE_NEXT_CTYPE
0c30d9ec 378
092bebab
JH		 379#if NX_CURRENT_COMPILER_RELEASE >= 500
380# include <bsd/ctypes.h>
381#else
382# if NX_CURRENT_COMPILER_RELEASE >= 400
383# include <objc/NXCType.h>
384# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
385# include <appkit/NXCType.h>
386# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
387#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 388
389#else /* !USE_NEXT_CTYPE */
fe14fcc3 390#include <ctype.h>
0c30d9ec 391#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 392
393#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
394#undef METHOD
a0d0e21e
LW		 395#endif
396
12ae5dfc
JH		 397#ifdef PERL_MICRO
398# define NO_LOCALE
399#endif
400
4633a7c4 401#ifdef I_LOCALE
36477c24 402# include <locale.h>
4633a7c4
LW		 403#endif
404
36477c24 405#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
406# define USE_LOCALE
407# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
408 && defined(HAS_STRXFRM)
409# define USE_LOCALE_COLLATE
410# endif
411# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
412# define USE_LOCALE_CTYPE
413# endif
414# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
415# define USE_LOCALE_NUMERIC
416# endif
417#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 418
fe14fcc3 419#include <setjmp.h>
79072805 420
a0d0e21e 421#ifdef I_SYS_PARAM
79072805
LW		 422# ifdef PARAM_NEEDS_TYPES
423# include <sys/types.h>
424# endif
425# include <sys/param.h>
352d5a3a 426#endif
79072805 427
79072805 428/* Use all the "standard" definitions? */
a0d0e21e 429#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 430# include <stdlib.h>
ff68c719 431#endif
03a14243 432
3f270f98
JH		 433/* If this causes problems, set i_unistd=undef in the hint file. */
434#ifdef I_UNISTD
435# include <unistd.h>
436#endif
437
7114a2d2 438#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 439int syscall(int, ...);
440#endif
441
7114a2d2 442#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 443int usleep(unsigned int);
2ef53570
JH		 444#endif
445
9a34ef1d
GS		 446#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
447# define MYSWAP
448#endif
449
1109a392
MHM		 450#ifdef PERL_CORE
451
452/* macros for correct constant construction */
453# if INTSIZE >= 2
454# define U16_CONST(x) ((U16)x##U)
455# else
456# define U16_CONST(x) ((U16)x##UL)
457# endif
458
459# if INTSIZE >= 4
460# define U32_CONST(x) ((U32)x##U)
461# else
462# define U32_CONST(x) ((U32)x##UL)
463# endif
464
465# ifdef HAS_QUAD
466# if INTSIZE >= 8
467# define U64_CONST(x) ((U64)x##U)
468# elif LONGSIZE >= 8
469# define U64_CONST(x) ((U64)x##UL)
470# elif QUADKIND == QUAD_IS_LONG_LONG
471# define U64_CONST(x) ((U64)x##ULL)
472# else /* best guess we can make */
473# define U64_CONST(x) ((U64)x##UL)
474# endif
475# endif
476
477/* byte-swapping functions for big-/little-endian conversion */
478# define _swab_16_(x) ((U16)( \
479 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
480 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
481
482# define _swab_32_(x) ((U32)( \
483 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
484 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
485 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
486 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
487
488# ifdef HAS_QUAD
489# define _swab_64_(x) ((U64)( \
490 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
491 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
492 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
493 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
494 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
495 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
496 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
497 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
498# endif
499
500/*----------------------------------------------------------------------------*/
501# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
502/*----------------------------------------------------------------------------*/
503# define my_htole16(x) (x)
504# define my_letoh16(x) (x)
505# define my_htole32(x) (x)
506# define my_letoh32(x) (x)
507# define my_htobe16(x) _swab_16_(x)
508# define my_betoh16(x) _swab_16_(x)
509# define my_htobe32(x) _swab_32_(x)
510# define my_betoh32(x) _swab_32_(x)
511# ifdef HAS_QUAD
512# define my_htole64(x) (x)
513# define my_letoh64(x) (x)
514# define my_htobe64(x) _swab_64_(x)
515# define my_betoh64(x) _swab_64_(x)
516# endif
517# define my_htoles(x) (x)
518# define my_letohs(x) (x)
519# define my_htolei(x) (x)
520# define my_letohi(x) (x)
521# define my_htolel(x) (x)
522# define my_letohl(x) (x)
523# if SHORTSIZE == 1
524# define my_htobes(x) (x)
525# define my_betohs(x) (x)
526# elif SHORTSIZE == 2
527# define my_htobes(x) _swab_16_(x)
528# define my_betohs(x) _swab_16_(x)
529# elif SHORTSIZE == 4
530# define my_htobes(x) _swab_32_(x)
531# define my_betohs(x) _swab_32_(x)
532# elif SHORTSIZE == 8
533# define my_htobes(x) _swab_64_(x)
534# define my_betohs(x) _swab_64_(x)
535# else
536# define PERL_NEED_MY_HTOBES
537# define PERL_NEED_MY_BETOHS
538# endif
539# if INTSIZE == 1
540# define my_htobei(x) (x)
541# define my_betohi(x) (x)
542# elif INTSIZE == 2
543# define my_htobei(x) _swab_16_(x)
544# define my_betohi(x) _swab_16_(x)
545# elif INTSIZE == 4
546# define my_htobei(x) _swab_32_(x)
547# define my_betohi(x) _swab_32_(x)
548# elif INTSIZE == 8
549# define my_htobei(x) _swab_64_(x)
550# define my_betohi(x) _swab_64_(x)
551# else
552# define PERL_NEED_MY_HTOBEI
553# define PERL_NEED_MY_BETOHI
554# endif
555# if LONGSIZE == 1
556# define my_htobel(x) (x)
557# define my_betohl(x) (x)
558# elif LONGSIZE == 2
559# define my_htobel(x) _swab_16_(x)
560# define my_betohl(x) _swab_16_(x)
561# elif LONGSIZE == 4
562# define my_htobel(x) _swab_32_(x)
563# define my_betohl(x) _swab_32_(x)
564# elif LONGSIZE == 8
565# define my_htobel(x) _swab_64_(x)
566# define my_betohl(x) _swab_64_(x)
567# else
568# define PERL_NEED_MY_HTOBEL
569# define PERL_NEED_MY_BETOHL
570# endif
571# define my_htolen(p,n) NOOP
572# define my_letohn(p,n) NOOP
573# define my_htoben(p,n) my_swabn(p,n)
574# define my_betohn(p,n) my_swabn(p,n)
575/*----------------------------------------------------------------------------*/
576# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
577/*----------------------------------------------------------------------------*/
578# define my_htobe16(x) (x)
579# define my_betoh16(x) (x)
580# define my_htobe32(x) (x)
581# define my_betoh32(x) (x)
582# define my_htole16(x) _swab_16_(x)
583# define my_letoh16(x) _swab_16_(x)
584# define my_htole32(x) _swab_32_(x)
585# define my_letoh32(x) _swab_32_(x)
586# ifdef HAS_QUAD
587# define my_htobe64(x) (x)
588# define my_betoh64(x) (x)
589# define my_htole64(x) _swab_64_(x)
590# define my_letoh64(x) _swab_64_(x)
591# endif
592# define my_htobes(x) (x)
593# define my_betohs(x) (x)
594# define my_htobei(x) (x)
595# define my_betohi(x) (x)
596# define my_htobel(x) (x)
597# define my_betohl(x) (x)
598# if SHORTSIZE == 1
599# define my_htoles(x) (x)
600# define my_letohs(x) (x)
601# elif SHORTSIZE == 2
602# define my_htoles(x) _swab_16_(x)
603# define my_letohs(x) _swab_16_(x)
604# elif SHORTSIZE == 4
605# define my_htoles(x) _swab_32_(x)
606# define my_letohs(x) _swab_32_(x)
607# elif SHORTSIZE == 8
608# define my_htoles(x) _swab_64_(x)
609# define my_letohs(x) _swab_64_(x)
610# else
611# define PERL_NEED_MY_HTOLES
612# define PERL_NEED_MY_LETOHS
613# endif
614# if INTSIZE == 1
615# define my_htolei(x) (x)
616# define my_letohi(x) (x)
617# elif INTSIZE == 2
618# define my_htolei(x) _swab_16_(x)
619# define my_letohi(x) _swab_16_(x)
620# elif INTSIZE == 4
621# define my_htolei(x) _swab_32_(x)
622# define my_letohi(x) _swab_32_(x)
623# elif INTSIZE == 8
624# define my_htolei(x) _swab_64_(x)
625# define my_letohi(x) _swab_64_(x)
626# else
627# define PERL_NEED_MY_HTOLEI
628# define PERL_NEED_MY_LETOHI
629# endif
630# if LONGSIZE == 1
631# define my_htolel(x) (x)
632# define my_letohl(x) (x)
633# elif LONGSIZE == 2
634# define my_htolel(x) _swab_16_(x)
635# define my_letohl(x) _swab_16_(x)
636# elif LONGSIZE == 4
637# define my_htolel(x) _swab_32_(x)
638# define my_letohl(x) _swab_32_(x)
639# elif LONGSIZE == 8
640# define my_htolel(x) _swab_64_(x)
641# define my_letohl(x) _swab_64_(x)
642# else
643# define PERL_NEED_MY_HTOLEL
644# define PERL_NEED_MY_LETOHL
645# endif
646# define my_htolen(p,n) my_swabn(p,n)
647# define my_letohn(p,n) my_swabn(p,n)
648# define my_htoben(p,n) NOOP
649# define my_betohn(p,n) NOOP
650/*----------------------------------------------------------------------------*/
651# else /* all other byte-orders */
652/*----------------------------------------------------------------------------*/
653# define PERL_NEED_MY_HTOLE16
654# define PERL_NEED_MY_LETOH16
655# define PERL_NEED_MY_HTOBE16
656# define PERL_NEED_MY_BETOH16
657# define PERL_NEED_MY_HTOLE32
658# define PERL_NEED_MY_LETOH32
659# define PERL_NEED_MY_HTOBE32
660# define PERL_NEED_MY_BETOH32
661# ifdef HAS_QUAD
662# define PERL_NEED_MY_HTOLE64
663# define PERL_NEED_MY_LETOH64
664# define PERL_NEED_MY_HTOBE64
665# define PERL_NEED_MY_BETOH64
666# endif
667# define PERL_NEED_MY_HTOLES
668# define PERL_NEED_MY_LETOHS
669# define PERL_NEED_MY_HTOBES
670# define PERL_NEED_MY_BETOHS
671# define PERL_NEED_MY_HTOLEI
672# define PERL_NEED_MY_LETOHI
673# define PERL_NEED_MY_HTOBEI
674# define PERL_NEED_MY_BETOHI
675# define PERL_NEED_MY_HTOLEL
676# define PERL_NEED_MY_LETOHL
677# define PERL_NEED_MY_HTOBEL
678# define PERL_NEED_MY_BETOHL
679/*----------------------------------------------------------------------------*/
680# endif /* end of byte-order macros */
681/*----------------------------------------------------------------------------*/
682
683#endif /* PERL_CORE */
684
66a93824
NIS		 685/* Cannot include embed.h here on Win32 as win32.h has not
686 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
687 */
96e176bf 688#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 689# include "embed.h"
690#endif
691
c31fac66
GS		 692#define MEM_SIZE Size_t
693
51371543
GS		 694#if defined(STANDARD_C) && defined(I_STDDEF)
695# include <stddef.h>
696# define STRUCT_OFFSET(s,m) offsetof(s,m)
697#else
698# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
699#endif
700
701#if defined(I_STRING) || defined(__cplusplus)
702# include <string.h>
703#else
704# include <strings.h>
705#endif
706
55497cff 707/* This comes after <stdlib.h> so we don't try to change the standard
708 * library prototypes; we'll use our own in proto.h instead. */
03a14243 709
4633a7c4 710#ifdef MYMALLOC
86058a2d 711# ifdef PERL_POLLUTE_MALLOC
ee13e175 712# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 713# define Perl_malloc malloc
714# define Perl_calloc calloc
715# define Perl_realloc realloc
716# define Perl_mfree free
ee13e175 717# endif
86058a2d
GS		 718# else
719# define EMBEDMYMALLOC /* for compatibility */
720# endif
827e134a 721
651b9576
GS		 722# define safemalloc Perl_malloc
723# define safecalloc Perl_calloc
724# define saferealloc Perl_realloc
725# define safefree Perl_mfree
22f7c9c9
JH		 726# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
727 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
728 code; \
729 } STMT_END
730# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
731 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
732# define panic_write2(s) write(2, s, strlen(s))
733# define CHECK_MALLOC_TAINT(newval) \
734 CHECK_MALLOC_TOO_LATE_FOR_( \
735 if (newval) { \
736 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
737 exit(1); })
22f7c9c9 738# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 739 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 740 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
741 }} STMT_END;
f2517201
GS		 742#else /* MYMALLOC */
743# define safemalloc safesysmalloc
744# define safecalloc safesyscalloc
745# define saferealloc safesysrealloc
746# define safefree safesysfree
22f7c9c9
JH		 747# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
748# define CHECK_MALLOC_TAINT(newval) ((void)0)
749# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 750#endif /* MYMALLOC */
4633a7c4 751
baa9ab13 752#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		 753#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
754#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
755#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
756
a0d0e21e
LW		 757#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
758#define strchr index
759#define strrchr rindex
760#endif
761
16d20bd9
AD		 762#ifdef I_MEMORY
763# include <memory.h>
764#endif
765
fe14fcc3 766#ifdef HAS_MEMCPY
85e6fe83 767# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 768# ifndef memcpy
20ce7b12 769 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 770# endif
771# endif
772#else
773# ifndef memcpy
774# ifdef HAS_BCOPY
775# define memcpy(d,s,l) bcopy(s,d,l)
776# else
777# define memcpy(d,s,l) my_bcopy(s,d,l)
778# endif
779# endif
780#endif /* HAS_MEMCPY */
fe14fcc3 781
ee0007ab 782#ifdef HAS_MEMSET
85e6fe83 783# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 784# ifndef memset
20ce7b12 785 extern char *memset (char*, int, int);
ee0007ab
LW		 786# endif
787# endif
ee0007ab 788#else
12ae5dfc 789# undef memset
fc36a67e 790# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 791#endif /* HAS_MEMSET */
792
85e6fe83 793#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 794# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 795# define memmove(d,s,l) bcopy(s,d,l)
796# else
2304df62 797# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 798# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 799# else
79072805 800# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 801# endif
352d5a3a 802# endif
d9d8d8de 803#endif
ee0007ab 804
36477c24 805#if defined(mips) && defined(ultrix) && !defined(__STDC__)
806# undef HAS_MEMCMP
807#endif
808
809#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 810# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 811# ifndef memcmp
20ce7b12 812 extern int memcmp (char*, char*, int);
ee0007ab
LW		 813# endif
814# endif
36477c24 815# ifdef BUGGY_MSC
7e4e8c89 816# pragma function(memcmp)
36477c24 817# endif
ee0007ab
LW		 818#else
819# ifndef memcmp
ecfc5424 820# define memcmp my_memcmp
352d5a3a 821# endif
36477c24 822#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 823
fc36a67e 824#ifndef memzero
c635e13b 825# ifdef HAS_MEMSET
826# define memzero(d,l) memset(d,0,l)
79072805 827# else
c635e13b 828# ifdef HAS_BZERO
829# define memzero(d,l) bzero(d,l)
79072805 830# else
fc36a67e 831# define memzero(d,l) my_bzero(d,l)
79072805
LW		 832# endif
833# endif
d9d8d8de 834#endif
378cc40b 835
2f42fcb0 836#ifndef PERL_MICRO
0f27ced1
JH		 837#ifndef memchr
838# ifndef HAS_MEMCHR
839# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
840# endif
841#endif
2f42fcb0 842#endif
0f27ced1 843
36477c24 844#ifndef HAS_BCMP
845# ifndef bcmp
846# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 847# endif
36477c24 848#endif /* !HAS_BCMP */
378cc40b 849
ae986130 850#ifdef I_NETINET_IN
79072805 851# include <netinet/in.h>
ae986130
LW		 852#endif
853
28e8609d
JH		 854#ifdef I_ARPA_INET
855# include <arpa/inet.h>
856#endif
857
84902520
TB		 858#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
859/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
860 * (the neo-BSD seem to do this). */
861# undef SF_APPEND
862#endif
863
1aef975c 864#ifdef I_SYS_STAT
84902520 865# include <sys/stat.h>
1aef975c 866#endif
79072805 867
a0d0e21e
LW		 868/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
869 like UTekV) are broken, sometimes giving false positives. Undefine
870 them here and let the code below set them to proper values.
871
872 The ghs macro stands for GreenHills Software C-1.8.5 which
873 is the C compiler for sysV88 and the various derivatives.
874 This header file bug is corrected in gcc-2.5.8 and later versions.
875 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
876
877#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 878# undef S_ISDIR
879# undef S_ISCHR
880# undef S_ISBLK
881# undef S_ISREG
882# undef S_ISFIFO
883# undef S_ISLNK
ee0007ab 884#endif
135863df 885
663a0e37
LW		 886#ifdef I_TIME
887# include <time.h>
ffed7fef 888#endif
663a0e37 889
fe14fcc3 890#ifdef I_SYS_TIME
85e6fe83 891# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 892# define KERNEL
893# endif
894# include <sys/time.h>
85e6fe83 895# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 896# undef KERNEL
897# endif
a687059c 898#endif
135863df 899
55497cff 900#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 901# include <sys/times.h>
d9d8d8de 902#endif
8d063cd8 903
fe14fcc3 904#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 905# undef HAS_STRERROR
663a0e37
LW		 906#endif
907
908#include <errno.h>
1e743fda 909
acfe0abc 910#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 911# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
912#endif
913
8cfab5ff
JH		 914/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
915 * This is important for using IPv6.
916 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
917 * a bad idea since it breaks send() and recv(). */
918#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
919# define _SOCKADDR_LEN
920#endif
921
8d3f517a 922#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 923# include <sys/socket.h>
924# if defined(USE_SOCKS) && defined(I_SOCKS)
925# if !defined(INCLUDE_PROTOTYPES)
926# define INCLUDE_PROTOTYPES /* for <socks.h> */
927# define PERL_SOCKS_NEED_PROTOTYPES
928# endif
929# include <socks.h>
930# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
931# undef INCLUDE_PROTOTYPES
932# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 933# endif
d460ef45 934# endif
1e743fda 935# ifdef I_NETDB
2986a63f
JH		 936# ifdef NETWARE
937# include<stdio.h>
938# endif
1e743fda
JH		 939# include <netdb.h>
940# endif
941# ifndef ENOTSOCK
942# ifdef I_NET_ERRNO
943# include <net/errno.h>
944# endif
945# endif
946#endif
947
fa0a29af 948/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 949 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
950 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 951#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 952# if defined(__THROW) && defined(__GLIBC__)
953int sockatmark(int) __THROW;
954# else
2ef53570 955int sockatmark(int);
29820b6d 956# endif
2ef53570
JH		 957#endif
958
1e743fda
JH		 959#ifdef SETERRNO
960# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 961#endif
f86702cc 962
963#ifdef VMS
964# define SETERRNO(errcode,vmserrcode) \
965 STMT_START { \
966 set_errno(errcode); \
967 set_vaxc_errno(vmserrcode); \
968 } STMT_END
93189314
JH		 969# define LIB_INVARG LIB$_INVARG
970# define RMS_DIR RMS$_DIR
971# define RMS_FAC RMS$_FAC
972# define RMS_FEX RMS$_FEX
973# define RMS_FNF RMS$_FNF
974# define RMS_IFI RMS$_IFI
975# define RMS_ISI RMS$_ISI
976# define RMS_PRV RMS$_PRV
977# define SS_ACCVIO SS$_ACCVIO
978# define SS_DEVOFFLINE SS$_DEVOFFLINE
979# define SS_IVCHAN SS$_IVCHAN
980# define SS_NORMAL SS$_NORMAL
748a9306 981#else
aba27d88 982# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 983# define LIB_INVARG 0
984# define RMS_DIR 0
985# define RMS_FAC 0
986# define RMS_FEX 0
987# define RMS_FNF 0
988# define RMS_IFI 0
989# define RMS_ISI 0
990# define RMS_PRV 0
991# define SS_ACCVIO 0
992# define SS_DEVOFFLINE 0
993# define SS_IVCHAN 0
994# define SS_NORMAL 0
748a9306 995#endif
ed6116ce 996
3db8f154
MB		 997#define ERRSV GvSV(PL_errgv)
998#define DEFSV GvSV(PL_defgv)
999#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1000
98eae8f5
GS		 1001#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1002
55497cff 1003#ifndef errno
5ff3f7a4
GS		 1004 extern int errno; /* ANSI allows errno to be an lvalue expr.
1005 * For example in multithreaded environments
1006 * something like this might happen:
1007 * extern int *_errno(void);
1008 * #define errno (*_errno()) */
d9d8d8de 1009#endif
663a0e37 1010
2304df62 1011#ifdef HAS_STRERROR
a0d0e21e 1012# ifdef VMS
20ce7b12 1013 char *strerror (int,...);
a0d0e21e 1014# else
68dc0745 1015#ifndef DONT_DECLARE_STD
20ce7b12 1016 char *strerror (int);
68dc0745 1017#endif
a0d0e21e 1018# endif
2304df62
AD		 1019# ifndef Strerror
1020# define Strerror strerror
1021# endif
1022#else
1023# ifdef HAS_SYS_ERRLIST
79072805
LW		 1024 extern int sys_nerr;
1025 extern char *sys_errlist[];
2304df62
AD		 1026# ifndef Strerror
1027# define Strerror(e) \
79072805 1028 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1029# endif
79072805 1030# endif
35c8bce7 1031#endif
663a0e37 1032
2304df62 1033#ifdef I_SYS_IOCTL
79072805
LW		 1034# ifndef _IOCTL_
1035# include <sys/ioctl.h>
1036# endif
a687059c
LW		 1037#endif
1038
ee0007ab 1039#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1040# ifdef HAS_SOCKETPAIR
1041# undef HAS_SOCKETPAIR
1042# endif
2304df62
AD		 1043# ifdef I_NDBM
1044# undef I_NDBM
79072805 1045# endif
a687059c
LW		 1046#endif
1047
02fc2eee
NC		 1048#ifndef HAS_SOCKETPAIR
1049# ifdef HAS_SOCKET
1050# define socketpair Perl_my_socketpair
1051# endif
1052#endif
1053
a687059c 1054#if INTSIZE == 2
79072805
LW		 1055# define htoni htons
1056# define ntohi ntohs
a687059c 1057#else
79072805
LW		 1058# define htoni htonl
1059# define ntohi ntohl
a687059c
LW		 1060#endif
1061
a0d0e21e 1062/* Configure already sets Direntry_t */
35c8bce7 1063#if defined(I_DIRENT)
663a0e37 1064# include <dirent.h>
8f1f23e8
W		 1065 /* NeXT needs dirent + sys/dir.h */
1066# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1067# include <sys/dir.h>
1068# endif
ae986130 1069#else
fe14fcc3 1070# ifdef I_SYS_NDIR
79a0689e 1071# include <sys/ndir.h>
663a0e37 1072# else
fe14fcc3 1073# ifdef I_SYS_DIR
79a0689e
LW		 1074# ifdef hp9000s500
1075# include <ndir.h> /* may be wrong in the future */
1076# else
1077# include <sys/dir.h>
1078# endif
663a0e37
LW		 1079# endif
1080# endif
4633a7c4 1081#endif
a687059c 1082
12ae5dfc
JH		 1083#ifdef PERL_MICRO
1084# ifndef DIR
1085# define DIR void
1086# endif
1087#endif
1088
352d5a3a
LW		 1089#ifdef FPUTS_BOTCH
1090/* work around botch in SunOS 4.0.1 and 4.0.2 */
1091# ifndef fputs
79072805 1092# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1093# endif
1094#endif
1095
c623bd54
LW		 1096/*
1097 * The following gobbledygook brought to you on behalf of __STDC__.
1098 * (I could just use #ifndef __STDC__, but this is more bulletproof
1099 * in the face of half-implementations.)
1100 */
1101
7114a2d2 1102#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1103#include <sys/mode.h>
1104#endif
1105
c623bd54
LW		 1106#ifndef S_IFMT
1107# ifdef _S_IFMT
1108# define S_IFMT _S_IFMT
1109# else
1110# define S_IFMT 0170000
1111# endif
1112#endif
1113
1114#ifndef S_ISDIR
1115# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1116#endif
1117
1118#ifndef S_ISCHR
1119# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1120#endif
1121
1122#ifndef S_ISBLK
fe14fcc3
LW		 1123# ifdef S_IFBLK
1124# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1125# else
1126# define S_ISBLK(m) (0)
1127# endif
c623bd54
LW		 1128#endif
1129
1130#ifndef S_ISREG
1131# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1132#endif
1133
1134#ifndef S_ISFIFO
fe14fcc3
LW		 1135# ifdef S_IFIFO
1136# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1137# else
1138# define S_ISFIFO(m) (0)
1139# endif
c623bd54
LW		 1140#endif
1141
1142#ifndef S_ISLNK
1143# ifdef _S_ISLNK
1144# define S_ISLNK(m) _S_ISLNK(m)
1145# else
1146# ifdef _S_IFLNK
1147# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1148# else
1149# ifdef S_IFLNK
1150# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1151# else
1152# define S_ISLNK(m) (0)
1153# endif
1154# endif
1155# endif
1156#endif
1157
1158#ifndef S_ISSOCK
1159# ifdef _S_ISSOCK
1160# define S_ISSOCK(m) _S_ISSOCK(m)
1161# else
1162# ifdef _S_IFSOCK
1163# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1164# else
1165# ifdef S_IFSOCK
1166# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1167# else
1168# define S_ISSOCK(m) (0)
1169# endif
1170# endif
1171# endif
1172#endif
1173
1174#ifndef S_IRUSR
1175# ifdef S_IREAD
1176# define S_IRUSR S_IREAD
1177# define S_IWUSR S_IWRITE
1178# define S_IXUSR S_IEXEC
1179# else
1180# define S_IRUSR 0400
1181# define S_IWUSR 0200
1182# define S_IXUSR 0100
1183# endif
fac7cdfc
JS		 1184#endif
1185
1186#ifndef S_IRGRP
1187# ifdef S_IRUSR
1188# define S_IRGRP (S_IRUSR>>3)
1189# define S_IWGRP (S_IWUSR>>3)
1190# define S_IXGRP (S_IXUSR>>3)
1191# else
1192# define S_IRGRP 0040
1193# define S_IWGRP 0020
1194# define S_IXGRP 0010
1195# endif
1196#endif
1197
1198#ifndef S_IROTH
1199# ifdef S_IRUSR
1200# define S_IROTH (S_IRUSR>>6)
1201# define S_IWOTH (S_IWUSR>>6)
1202# define S_IXOTH (S_IXUSR>>6)
1203# else
1204# define S_IROTH 0040
1205# define S_IWOTH 0020
1206# define S_IXOTH 0010
1207# endif
c623bd54
LW		 1208#endif
1209
1210#ifndef S_ISUID
1211# define S_ISUID 04000
1212#endif
1213
1214#ifndef S_ISGID
1215# define S_ISGID 02000
1216#endif
1217
ca6e1c26
JH		 1218#ifndef S_IRWXU
1219# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1220#endif
ca6e1c26
JH		 1221
1222#ifndef S_IRWXG
1223# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1224#endif
ca6e1c26
JH		 1225
1226#ifndef S_IRWXO
1227# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1228#endif
ca6e1c26 1229
c21fb2b8
JH		 1230/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1231 * which would get included through <sys/file.h >, but that is 3000
1232 * lines in the future. --jhi */
1233
1234#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1235# define S_IREAD S_IRUSR
1236#endif
1237
c21fb2b8 1238#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1239# define S_IWRITE S_IWUSR
1240#endif
1241
1242#ifndef S_IEXEC
1243# define S_IEXEC S_IXUSR
1244#endif
1245
79072805
LW		 1246#ifdef ff_next
1247# undef ff_next
352d5a3a
LW		 1248#endif
1249
a0d0e21e 1250#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1251# define SLOPPYDIVIDE
1252#endif
1253
748a9306
LW		 1254#ifdef UV
1255#undef UV
1256#endif
1257
c89df6bf
JH		 1258#ifdef SPRINTF_E_BUG
1259# define sprintf UTS_sprintf_wrap
1260#endif
1261
c495e728
JH		 1262/* Configure gets this right but the UTS compiler gets it wrong.
1263 -- Hal Morris <hom00@utsglobal.com> */
1264#ifdef UTS
1265# undef UVTYPE
1266# define UVTYPE unsigned
1267#endif
1268
05f13f53 1269/*
27d4fb96 1270 The IV type is supposed to be long enough to hold any integral
1271 value or a pointer.
1272 --Andy Dougherty August 1996
1273*/
1274
a22e52b9
JH		 1275typedef IVTYPE IV;
1276typedef UVTYPE UV;
8175356b 1277
10cc9d2a 1278#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1279# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1280# define IV_MAX INT64_MAX
1281# define IV_MIN INT64_MIN
1282# define UV_MAX UINT64_MAX
cae7ae48
JH		 1283# ifndef UINT64_MIN
1284# define UINT64_MIN 0
1285# endif
5ff3f7a4
GS		 1286# define UV_MIN UINT64_MIN
1287# else
1288# define IV_MAX PERL_QUAD_MAX
1289# define IV_MIN PERL_QUAD_MIN
1290# define UV_MAX PERL_UQUAD_MAX
1291# define UV_MIN PERL_UQUAD_MIN
1292# endif
cf2093f6
JH		 1293# define IV_IS_QUAD
1294# define UV_IS_QUAD
79072805 1295#else
8175356b 1296# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1297# define IV_MAX INT32_MAX
1298# define IV_MIN INT32_MIN
716026f9
DL		 1299# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1300# define UV_MAX UINT32_MAX
1301# else
1302# define UV_MAX 4294967295U
1303# endif
cae7ae48
JH		 1304# ifndef UINT32_MIN
1305# define UINT32_MIN 0
1306# endif
5ff3f7a4
GS		 1307# define UV_MIN UINT32_MIN
1308# else
1309# define IV_MAX PERL_LONG_MAX
1310# define IV_MIN PERL_LONG_MIN
1311# define UV_MAX PERL_ULONG_MAX
1312# define UV_MIN PERL_ULONG_MIN
1313# endif
8175356b 1314# if IVSIZE == 8
cf2093f6
JH		 1315# define IV_IS_QUAD
1316# define UV_IS_QUAD
de1c2614
JH		 1317# ifndef HAS_QUAD
1318# define HAS_QUAD
1319# endif
cf2093f6
JH		 1320# else
1321# undef IV_IS_QUAD
1322# undef UV_IS_QUAD
de1c2614 1323# undef HAS_QUAD
cf2093f6 1324# endif
79072805 1325#endif
d7d93a81 1326
1109a392
MHM		 1327#ifndef HAS_QUAD
1328# undef PERL_NEED_MY_HTOLE64
1329# undef PERL_NEED_MY_LETOH64
1330# undef PERL_NEED_MY_HTOBE64
1331# undef PERL_NEED_MY_BETOH64
1332#endif
1333
6cde8aec 1334#if defined(uts) || defined(UTS)
11afe549
HM		 1335# undef UV_MAX
1336# define UV_MAX (4294967295u)
20601011
JH		 1337#endif
1338
cae7ae48 1339#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1340#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1341
28e5dec8 1342#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1343#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1344#endif
1345
d460ef45 1346/*
26bb67e2
JH		 1347 * The macros INT2PTR and NUM2PTR are (despite their names)
1348 * bi-directional: they will convert int/float to or from pointers.
1349 * However the conversion to int/float are named explicitly:
1350 * PTR2IV, PTR2UV, PTR2NV.
1351 *
1352 * For int conversions we do not need two casts if pointers are
1353 * the same size as IV and UV. Otherwise we need an explicit
1354 * cast (PTRV) to avoid compiler warnings.
1355 */
56431972
RB		 1356#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1357# define PTRV UV
1358# define INT2PTR(any,d) (any)(d)
1359#else
d460ef45 1360# if PTRSIZE == LONGSIZE
56431972 1361# define PTRV unsigned long
42718184 1362# else
56431972 1363# define PTRV unsigned
42718184 1364# endif
56431972 1365# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1366#endif
56431972
RB		 1367#define NUM2PTR(any,d) (any)(PTRV)(d)
1368#define PTR2IV(p) INT2PTR(IV,p)
1369#define PTR2UV(p) INT2PTR(UV,p)
1370#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1371#if PTRSIZE == LONGSIZE
d2560b70
RB		 1372# define PTR2ul(p) (unsigned long)(p)
1373#else
1374# define PTR2ul(p) INT2PTR(unsigned long,p)
1375#endif
d460ef45 1376
65202027 1377#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1378# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1379# define LONG_DOUBLE_EQUALS_DOUBLE
1380# endif
68d4903c 1381# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1382# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1383# endif
1384#endif
1385
2d4389e4
JH		 1386#ifdef OVR_DBL_DIG
1387/* Use an overridden DBL_DIG */
1388# ifdef DBL_DIG
1389# undef DBL_DIG
1390# endif
1391# define DBL_DIG OVR_DBL_DIG
1392#else
1393/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1394 default value for printing floating point numbers in Gconvert
1395 (see config.h). (It also has other uses, such as figuring out if
1396 a given precision of printing can be done with a double instead of
1397 a long double - Allen).
2d4389e4
JH		 1398*/
1399#ifdef I_LIMITS
1400#include <limits.h>
1401#endif
1402#ifdef I_FLOAT
1403#include <float.h>
1404#endif
1405#ifndef HAS_DBL_DIG
1406#define DBL_DIG 15 /* A guess that works lots of places */
1407#endif
1408#endif
cbca01e1
JH		 1409#ifdef I_FLOAT
1410#include <float.h>
1411#endif
1412#ifndef HAS_DBL_DIG
1413#define DBL_DIG 15 /* A guess that works lots of places */
1414#endif
2d4389e4
JH		 1415
1416#ifdef OVR_LDBL_DIG
1417/* Use an overridden LDBL_DIG */
1418# ifdef LDBL_DIG
1419# undef LDBL_DIG
1420# endif
1421# define LDBL_DIG OVR_LDBL_DIG
1422#else
1423/* The following is all to get LDBL_DIG, in order to pick a nice
1424 default value for printing floating point numbers in Gconvert.
1425 (see config.h)
1426*/
68d4903c
JH		 1427# ifdef I_LIMITS
1428# include <limits.h>
1429# endif
1430# ifdef I_FLOAT
1431# include <float.h>
1432# endif
1433# ifndef HAS_LDBL_DIG
1434# if LONG_DOUBLESIZE == 10
1435# define LDBL_DIG 18 /* assume IEEE */
1436# else
1437# if LONG_DOUBLESIZE == 12
1438# define LDBL_DIG 18 /* gcc? */
1439# else
1440# if LONG_DOUBLESIZE == 16
1441# define LDBL_DIG 33 /* assume IEEE */
1442# else
1443# if LONG_DOUBLESIZE == DOUBLESIZE
1444# define LDBL_DIG DBL_DIG /* bummer */
1445# endif
1446# endif
1447# endif
1448# endif
1449# endif
2d4389e4
JH		 1450#endif
1451
20f6aaab
AS		 1452/*
1453 * This is for making sure we have a good DBL_MAX value, if possible,
1454 * either for usage as NV_MAX or for usage in figuring out if we can
1455 * fit a given long double into a double, if bug-fixing makes it
1456 * necessary to do so. - Allen <allens@cpan.org>
1457 */
1458
205f51d8
AS		 1459#ifdef I_LIMITS
1460# include <limits.h>
20f6aaab
AS		 1461#endif
1462
205f51d8
AS		 1463#ifdef I_VALUES
1464# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1465# include <values.h>
1466# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1467# define DBL_MAX MAXDOUBLE
1468# endif
1469# if defined(MINDOUBLE) && !defined(DBL_MIN)
1470# define DBL_MIN MINDOUBLE
1471# endif
1472# endif
1473#endif /* defined(I_VALUES) */
1474
a22e52b9 1475typedef NVTYPE NV;
8175356b 1476
792d8dab
JH		 1477#ifdef I_IEEEFP
1478# include <ieeefp.h>
1479#endif
923fc586 1480
65202027 1481#ifdef USE_LONG_DOUBLE
923fc586
JH		 1482# ifdef I_SUNMATH
1483# include <sunmath.h>
1484# endif
2d4389e4 1485# define NV_DIG LDBL_DIG
d6c14000
JH		 1486# ifdef LDBL_MANT_DIG
1487# define NV_MANT_DIG LDBL_MANT_DIG
1488# endif
06fc1729
JH		 1489# ifdef LDBL_MIN
1490# define NV_MIN LDBL_MIN
1491# endif
1492# ifdef LDBL_MAX
1493# define NV_MAX LDBL_MAX
1494# endif
1495# ifdef LDBL_MIN_10_EXP
1496# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1497# endif
1498# ifdef LDBL_MAX_10_EXP
1499# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1500# endif
1501# ifdef LDBL_EPSILON
1502# define NV_EPSILON LDBL_EPSILON
1503# endif
f4a14a62
JH		 1504# ifdef LDBL_MAX
1505# define NV_MAX LDBL_MAX
20f6aaab 1506/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1507# else
1508# ifdef HUGE_VALL
1509# define NV_MAX HUGE_VALL
1510# else
1511# ifdef HUGE_VAL
1512# define NV_MAX ((NV)HUGE_VAL)
1513# endif
1514# endif
1515# endif
68d4903c 1516# ifdef HAS_SQRTL
68d4903c
JH		 1517# define Perl_cos cosl
1518# define Perl_sin sinl
1519# define Perl_sqrt sqrtl
1520# define Perl_exp expl
1521# define Perl_log logl
1522# define Perl_atan2 atan2l
1523# define Perl_pow powl
1524# define Perl_floor floorl
1bbae031 1525# define Perl_ceil ceill
68d4903c
JH		 1526# define Perl_fmod fmodl
1527# endif
a3540c92
JH		 1528/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1529# ifdef HAS_MODFL
1530# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1531/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1532 prototype in <math.h> */
1533# ifndef HAS_MODFL_PROTO
a221a8a5 1534EXTERN_C long double modfl(long double, long double *);
51997bc3 1535# endif
03476e8e
JH		 1536# else
1537# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1538 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1539# define Perl_modf(x,y) Perl_my_modfl(x,y)
1540# endif
a3540c92
JH		 1541# endif
1542# ifdef HAS_FREXPL
dff3e0b8 1543# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1544# else
1545# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1546 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1547# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1548# endif
a3540c92 1549# endif
38dbb4c5 1550# ifndef Perl_isnan
758a5d79
JH		 1551# ifdef HAS_ISNANL
1552# define Perl_isnan(x) isnanl(x)
1553# endif
1554# endif
1555# ifndef Perl_isinf
1556# ifdef HAS_FINITEL
1557# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1558# endif
1559# endif
65202027 1560#else
2d4389e4 1561# define NV_DIG DBL_DIG
d6c14000
JH		 1562# ifdef DBL_MANT_DIG
1563# define NV_MANT_DIG DBL_MANT_DIG
1564# endif
06fc1729
JH		 1565# ifdef DBL_MIN
1566# define NV_MIN DBL_MIN
1567# endif
1568# ifdef DBL_MAX
1569# define NV_MAX DBL_MAX
1570# endif
1571# ifdef DBL_MIN_10_EXP
1572# define NV_MIN_10_EXP DBL_MIN_10_EXP
1573# endif
1574# ifdef DBL_MAX_10_EXP
1575# define NV_MAX_10_EXP DBL_MAX_10_EXP
1576# endif
1577# ifdef DBL_EPSILON
1578# define NV_EPSILON DBL_EPSILON
1579# endif
205f51d8 1580# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1581# define NV_MAX DBL_MAX
1582# define NV_MIN DBL_MIN
1583# else
1584# ifdef HUGE_VAL
1585# define NV_MAX HUGE_VAL
1586# endif
1587# endif
65202027
DS		 1588# define Perl_cos cos
1589# define Perl_sin sin
1590# define Perl_sqrt sqrt
1591# define Perl_exp exp
1592# define Perl_log log
1593# define Perl_atan2 atan2
1594# define Perl_pow pow
1595# define Perl_floor floor
1bbae031 1596# define Perl_ceil ceil
65202027 1597# define Perl_fmod fmod
a3540c92 1598# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1599# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1600#endif
1601
1602/* rumor has it that Win32 has _fpclass() */
1603
205f51d8
AS		 1604/* SGI has fpclassl... but not with the same result values,
1605 * and it's via a typedef (not via #define), so will need to redo Configure
1606 * to use. Not worth the trouble, IMO, at least until the below is used
1607 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1608 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1609 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1610
758a5d79
JH		 1611#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1612# ifdef I_IEEFP
1613# include <ieeefp.h>
1614# endif
1615# ifdef I_FP
1616# include <fp.h>
1617# endif
1618# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1619# define Perl_fp_class() fpclassl(x)
1620# else
1621# define Perl_fp_class() fpclass(x)
1622# endif
1623# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1624# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1625# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1626# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1627# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1628# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1629# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1630# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1631# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1632# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1633# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1634# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1635# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1636# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1637# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1638#endif
1639
7114a2d2 1640#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1641# include <math.h>
1642# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1643# include <fp_class.h>
1644# endif
1645# define Perl_fp_class(x) fp_class(x)
1646# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1647# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1648# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1649# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1650# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1651# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1652# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1653# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1654# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1655# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1656# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1657# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1658# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1659# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1660# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1661#endif
1662
1663#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1664# include <math.h>
1665# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1666# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1667# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1668# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1669# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1670# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1671#endif
1672
1673#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1674# include <math.h>
1675# ifndef _cplusplus
1676# define Perl_fp_class(x) class(x)
1677# else
1678# define Perl_fp_class(x) _class(x)
1679# endif
1680# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1681# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1682# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1683# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1684# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1685# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1686# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1687# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1688# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1689# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1690# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1691# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1692# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1693# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1694# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1695#endif
1696
1697/* rumor has it that Win32 has _isnan() */
1698
1699#ifndef Perl_isnan
a3540c92 1700# ifdef HAS_ISNAN
758a5d79
JH		 1701# define Perl_isnan(x) isnan((NV)x)
1702# else
1703# ifdef Perl_fp_class_nan
1704# define Perl_isnan(x) Perl_fp_class_nan(x)
1705# else
1706# ifdef HAS_UNORDERED
1707# define Perl_isnan(x) unordered((x), 0.0)
1708# else
1709# define Perl_isnan(x) ((x)!=(x))
1710# endif
1711# endif
1712# endif
1713#endif
1714
ca6c63e1
JH		 1715#ifdef UNDER_CE
1716int isnan(double d);
1717#endif
1718
758a5d79
JH		 1719#ifndef Perl_isinf
1720# ifdef HAS_ISINF
1721# define Perl_isinf(x) isinf((NV)x)
a3540c92 1722# else
758a5d79
JH		 1723# ifdef Perl_fp_class_inf
1724# define Perl_isinf(x) Perl_fp_class_inf(x)
1725# else
1726# define Perl_isinf(x) ((x)==NV_INF)
1727# endif
1728# endif
1729#endif
1730
1731#ifndef Perl_isfinite
1732# ifdef HAS_FINITE
1733# define Perl_isfinite(x) finite((NV)x)
1734# else
1735# ifdef HAS_ISFINITE
1736# define Perl_isfinite(x) isfinite(x)
1737# else
1738# ifdef Perl_fp_class_finite
1739# define Perl_isfinite(x) Perl_fp_class_finite(x)
1740# else
1741# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1742# endif
1743# endif
a3540c92 1744# endif
65202027
DS		 1745#endif
1746
a36244b7
JH		 1747/* The default is to use Perl's own atof() implementation (in numeric.c).
1748 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1749 * it is however best to use the native implementation of atof.
1750 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1751 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1752 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1753 * you may need to be using a different function than atof! */
a36244b7
JH		 1754
1755#ifndef USE_PERL_ATOF
1756# ifndef _UNICOS
1757# define USE_PERL_ATOF
1758# endif
1759#else
1760# if USE_PERL_ATOF == 0
1761# undef USE_PERL_ATOF
1762# endif
1763#endif
1764
1765#ifdef USE_PERL_ATOF
1766# define Perl_atof(s) Perl_my_atof(s)
1767# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1768#else
1769# define Perl_atof(s) (NV)atof(s)
1770# define Perl_atof2(s, n) ((n) = atof(s))
1771#endif
cf2093f6 1772
d460ef45 1773/* Previously these definitions used hardcoded figures.
760ac839
LW		 1774 * It is hoped these formula are more portable, although
1775 * no data one way or another is presently known to me.
1776 * The "PERL_" names are used because these calculated constants
1777 * do not meet the ANSI requirements for LONG_MAX, etc., which
1778 * need to be constants acceptable to #if - kja
1779 * define PERL_LONG_MAX 2147483647L
1780 * define PERL_LONG_MIN (-LONG_MAX - 1)
1781 * define PERL ULONG_MAX 4294967295L
1782 */
1783
1784#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1785# include <limits.h>
760ac839 1786#endif
205f51d8
AS		 1787/* Included values.h above if necessary; still including limits.h down here,
1788 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1789
99abf803 1790/*
1791 * Try to figure out max and min values for the integral types. THE CORRECT
1792 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1793 * following hacks are used if neither limits.h or values.h provide them:
1794 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1795 * for types < int: (unsigned TYPE)~(unsigned)0
1796 * The argument to ~ must be unsigned so that later signed->unsigned
1797 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1798 * and it must not be smaller than int because ~ does integral promotion.
1799 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1800 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1801 * The latter is a hack which happens to work on some machines but
1802 * does *not* catch any random system, or things like integer types
1803 * with NaN if that is possible.
1804 *
1805 * All of the types are explicitly cast to prevent accidental loss of
1806 * numeric range, and in the hope that they will be less likely to confuse
1807 * over-eager optimizers.
1808 *
1809 */
27d4fb96 1810
99abf803 1811#define PERL_UCHAR_MIN ((unsigned char)0)
1812
1813#ifdef UCHAR_MAX
1814# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1815#else
99abf803 1816# ifdef MAXUCHAR
1817# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1818# else
99abf803 1819# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1820# endif
1821#endif
d460ef45 1822
99abf803 1823/*
1824 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1825 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1826 * depending on local options. Until Configure detects this (or at least
1827 * detects whether the "signed" keyword is available) the CHAR ranges
1828 * will not be included. UCHAR functions normally.
1829 * - kja
1830 */
27d4fb96 1831
99abf803 1832#define PERL_USHORT_MIN ((unsigned short)0)
1833
1834#ifdef USHORT_MAX
1835# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1836#else
99abf803 1837# ifdef MAXUSHORT
1838# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1839# else
ef2f54b0
CB		 1840# ifdef USHRT_MAX
1841# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1842# else
1843# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1844# endif
27d4fb96 1845# endif
1846#endif
1847
27d4fb96 1848#ifdef SHORT_MAX
99abf803 1849# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1850#else
1851# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1852# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1853# else
ef2f54b0
CB		 1854# ifdef SHRT_MAX
1855# define PERL_SHORT_MAX ((short)SHRT_MAX)
1856# else
1857# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1858# endif
27d4fb96 1859# endif
1860#endif
1861
1862#ifdef SHORT_MIN
99abf803 1863# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1864#else
1865# ifdef MINSHORT
99abf803 1866# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1867# else
ef2f54b0
CB		 1868# ifdef SHRT_MIN
1869# define PERL_SHORT_MIN ((short)SHRT_MIN)
1870# else
1871# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1872# endif
27d4fb96 1873# endif
1874#endif
1875
99abf803 1876#ifdef UINT_MAX
1877# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1878#else
99abf803 1879# ifdef MAXUINT
1880# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1881# else
99abf803 1882# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1883# endif
1884#endif
1885
99abf803 1886#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1887
1888#ifdef INT_MAX
99abf803 1889# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1890#else
1891# ifdef MAXINT /* Often used in <values.h> */
99abf803 1892# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1893# else
99abf803 1894# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1895# endif
1896#endif
1897
1898#ifdef INT_MIN
99abf803 1899# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1900#else
1901# ifdef MININT
99abf803 1902# define PERL_INT_MIN ((int)MININT)
27d4fb96 1903# else
1904# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1905# endif
1906#endif
1907
99abf803 1908#ifdef ULONG_MAX
1909# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1910#else
99abf803 1911# ifdef MAXULONG
1912# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1913# else
99abf803 1914# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1915# endif
1916#endif
1917
99abf803 1918#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1919
760ac839 1920#ifdef LONG_MAX
99abf803 1921# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1922#else
1923# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1924# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1925# else
99abf803 1926# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1927# endif
1928#endif
1929
1930#ifdef LONG_MIN
99abf803 1931# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1932#else
1933# ifdef MINLONG
99abf803 1934# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1935# else
27d4fb96 1936# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1937# endif
1938#endif
1939
d7d93a81 1940#ifdef UV_IS_QUAD
99abf803 1941
99abf803 1942# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1943# define PERL_UQUAD_MIN ((UV)0)
99abf803 1944# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1945# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1946
79072805
LW		 1947#endif
1948
22f7c9c9
JH		 1949#ifdef MYMALLOC
1950# include "malloc_ctl.h"
1951#endif
1952
830247a4 1953struct RExC_state_t;
880b20b6 1954
ee0007ab 1955typedef MEM_SIZE STRLEN;
450a55e4 1956
79072805
LW		 1957typedef struct op OP;
1958typedef struct cop COP;
1959typedef struct unop UNOP;
1960typedef struct binop BINOP;
1961typedef struct listop LISTOP;
1962typedef struct logop LOGOP;
79072805
LW		 1963typedef struct pmop PMOP;
1964typedef struct svop SVOP;
7934575e 1965typedef struct padop PADOP;
79072805 1966typedef struct pvop PVOP;
79072805
LW		 1967typedef struct loop LOOP;
1968
93a17b20 1969typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1970
1971/* Amdahl's <ksync.h> has struct sv */
1972/* SGI's <sys/sema.h> has struct sv */
1973#if defined(UTS) || defined(__sgi)
1974# define STRUCT_SV perl_sv
b8d3c5db
JH		 1975#else
1976# define STRUCT_SV sv
1977#endif
1978typedef struct STRUCT_SV SV;
79072805
LW		 1979typedef struct av AV;
1980typedef struct hv HV;
1981typedef struct cv CV;
378cc40b 1982typedef struct regexp REGEXP;
79072805 1983typedef struct gp GP;
0c30d9ec 1984typedef struct gv GV;
8990e307 1985typedef struct io IO;
c09156bb 1986typedef struct context PERL_CONTEXT;
79072805
LW		 1987typedef struct block BLOCK;
1988
1989typedef struct magic MAGIC;
ed6116ce 1990typedef struct xrv XRV;
79072805
LW		 1991typedef struct xpv XPV;
1992typedef struct xpviv XPVIV;
ff68c719 1993typedef struct xpvuv XPVUV;
79072805
LW		 1994typedef struct xpvnv XPVNV;
1995typedef struct xpvmg XPVMG;
1996typedef struct xpvlv XPVLV;
1997typedef struct xpvav XPVAV;
1998typedef struct xpvhv XPVHV;
1999typedef struct xpvgv XPVGV;
2000typedef struct xpvcv XPVCV;
2001typedef struct xpvbm XPVBM;
2002typedef struct xpvfm XPVFM;
8990e307 2003typedef struct xpvio XPVIO;
79072805
LW		 2004typedef struct mgvtbl MGVTBL;
2005typedef union any ANY;
5f7fde29
GS		 2006typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2007typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2008typedef struct clone_params CLONE_PARAMS;
2009
378cc40b 2010#include "handy.h"
a0d0e21e 2011
6b8eaf93 2012#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2013# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2014# define USE_64_BIT_RAWIO /* implicit */
2015# endif
4564133c
JH		 2016#endif
2017
6b8eaf93
JH		 2018/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2019 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2020 * however, because operating systems like to do that themself. */
2021#ifndef FSEEKSIZE
2022# ifdef HAS_FSEEKO
2023# define FSEEKSIZE LSEEKSIZE
2024# else
2025# define FSEEKSIZE LONGSIZE
d460ef45 2026# endif
6b8eaf93
JH		 2027#endif
2028
2029#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2030# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2031# define USE_64_BIT_STDIO /* implicit */
2032# endif
2033#endif
4564133c 2034
09458382 2035#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2036# ifdef HAS_OFF64_T
2037# undef Off_t
2038# define Off_t off64_t
2039# undef LSEEKSIZE
2040# define LSEEKSIZE 8
5ff3f7a4 2041# endif
d9b3e12d
JH		 2042/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2043 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2044 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2045# if defined(USE_OPEN64)
2046# define open open64
5ff3f7a4 2047# endif
d9b3e12d
JH		 2048# if defined(USE_LSEEK64)
2049# define lseek lseek64
6b8eaf93
JH		 2050# else
2051# if defined(USE_LLSEEK)
2052# define lseek llseek
2053# endif
d9b3e12d
JH		 2054# endif
2055# if defined(USE_STAT64)
2056# define stat stat64
2057# endif
2058# if defined(USE_FSTAT64)
2059# define fstat fstat64
2060# endif
2061# if defined(USE_LSTAT64)
2062# define lstat lstat64
2063# endif
2064# if defined(USE_FLOCK64)
2065# define flock flock64
2066# endif
2067# if defined(USE_LOCKF64)
2068# define lockf lockf64
2069# endif
2070# if defined(USE_FCNTL64)
2071# define fcntl fcntl64
2072# endif
2073# if defined(USE_TRUNCATE64)
2074# define truncate truncate64
2075# endif
2076# if defined(USE_FTRUNCATE64)
2077# define ftruncate ftruncate64
2078# endif
2079#endif
2080
2081#ifdef USE_64_BIT_STDIO
2082# ifdef HAS_FPOS64_T
2083# undef Fpos_t
2084# define Fpos_t fpos64_t
2085# endif
2086/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2087 * will trigger defines like the ones below. Some 64-bit environments,
2088 * however, do not. */
2089# if defined(USE_FOPEN64)
2090# define fopen fopen64
2091# endif
2092# if defined(USE_FSEEK64)
6b8eaf93 2093# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2094# endif
2095# if defined(USE_FTELL64)
6b8eaf93 2096# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2097# endif
2098# if defined(USE_FSETPOS64)
2099# define fsetpos fsetpos64
2100# endif
2101# if defined(USE_FGETPOS64)
2102# define fgetpos fgetpos64
2103# endif
2104# if defined(USE_TMPFILE64)
2105# define tmpfile tmpfile64
2106# endif
2107# if defined(USE_FREOPEN64)
2108# define freopen freopen64
5ff3f7a4
GS		 2109# endif
2110#endif
2111
af8b425d 2112#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2113# include "iperlsys.h"
2114#endif
2115
6f71a643 2116#if defined(__OPEN_VM)
19848b3f
JH		 2117# include "vmesa/vmesaish.h"
2118# define ISHISH "vmesa"
6f71a643
JH		 2119#endif
2120
748a9306 2121#ifdef DOSISH
19848b3f
JH		 2122# if defined(OS2)
2123# include "os2ish.h"
2124# else
2125# include "dosish.h"
2126# endif
2127# define ISHISH "dos"
2128#endif
2129
2130#if defined(VMS)
748a9306 2131# include "vmsish.h"
96e176bf 2132# include "embed.h"
19848b3f
JH		 2133# define ISHISH "vms"
2134#endif
2135
2136#if defined(PLAN9)
2137# include "./plan9/plan9ish.h"
2138# define ISHISH "plan9"
2139#endif
2140
2141#if defined(MPE)
2142# include "mpeix/mpeixish.h"
2143# define ISHISH "mpeix"
2144#endif
2145
2146#if defined(__VOS__)
196918b0
PG		 2147# ifdef __GNUC__
2148# include "./vos/vosish.h"
2149# else
2150# include "vos/vosish.h"
2151# endif
19848b3f
JH		 2152# define ISHISH "vos"
2153#endif
2154
2155#if defined(EPOC)
2156# include "epocish.h"
2157# define ISHISH "epoc"
2158#endif
2159
2160#if defined(MACOS_TRADITIONAL)
2161# include "macos/macish.h"
2162# ifndef NO_ENVIRON_ARRAY
2163# define NO_ENVIRON_ARRAY
0c30d9ec 2164# endif
19848b3f
JH		 2165# define ISHISH "macos classic"
2166#endif
2167
efca5cc6
JH		 2168#if defined(__BEOS__)
2169# include "beos/beosish.h"
2170# define ISHISH "beos"
2171#endif
2172
19848b3f
JH		 2173#ifndef ISHISH
2174# include "unixish.h"
2175# define ISHISH "unix"
13b6e58c
JH		 2176#endif
2177
2178#ifndef NO_ENVIRON_ARRAY
2179# define USE_ENVIRON_ARRAY
2180#endif
32f822de 2181
c77b533b
JH		 2182/*
2183 * initialise to avoid floating-point exceptions from overflow, etc
2184 */
2185#ifndef PERL_FPU_INIT
2186# ifdef HAS_FPSETMASK
2187# if HAS_FLOATINGPOINT_H
2188# include <floatingpoint.h>
2189# endif
2190# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2191# else
2f42fcb0 2192# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2193# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2194# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2195# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2196# else
2197# define PERL_FPU_INIT
2f42fcb0 2198
7014c407 2199# endif
c77b533b
JH		 2200# endif
2201#endif
b35112e7
CS		 2202#ifndef PERL_FPU_PRE_EXEC
2203# define PERL_FPU_PRE_EXEC {
2204# define PERL_FPU_POST_EXEC }
2205#endif
c77b533b 2206
ed344e4f
IZ		 2207#ifndef PERL_SYS_INIT3
2208# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2209#endif
2210
be708cc0
JH		 2211#ifndef PERL_WRITE_MSG_TO_CONSOLE
2212# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2213#endif
2214
0f31cffe
GS		 2215#ifndef MAXPATHLEN
2216# ifdef PATH_MAX
b990c8b2
JH		 2217# ifdef _POSIX_PATH_MAX
2218# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2219/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2220 * included the null byte or not. Later amendments of POSIX,
2221 * XPG4, the Austin Group, and the Single UNIX Specification
2222 * all explicitly include the null byte in the PATH_MAX.
2223 * Ditto for _POSIX_PATH_MAX. */
2224# define MAXPATHLEN PATH_MAX
b990c8b2 2225# else
09448d78 2226# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2227# endif
2228# else
2229# define MAXPATHLEN (PATH_MAX+1)
2230# endif
0f31cffe 2231# else
b990c8b2 2232# ifdef _POSIX_PATH_MAX
09448d78 2233# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2234# else
2235# define MAXPATHLEN 1024 /* Err on the large side. */
2236# endif
0f31cffe
GS		 2237# endif
2238#endif
2239
3db8f154 2240/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2241 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2242 * this results in many functions being undeclared which bothers C++
2243 * May make sense to have threads after "*ish.h" anyway
2244 */
2245
3db8f154 2246#if defined(USE_ITHREADS)
2986a63f
JH		 2247# ifdef NETWARE
2248# include <nw5thread.h>
2249# else
32f822de
GS		 2250# ifdef FAKE_THREADS
2251# include "fakethr.h"
2252# else
2253# ifdef WIN32
2254# include <win32thread.h>
2255# else
dd96f567
IZ		 2256# ifdef OS2
2257# include "os2thread.h"
2258# else
7f3d1cf1 2259# ifdef I_MACH_CTHREADS
bdd66968 2260# include <mach/cthreads.h>
8f1f23e8 2261# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2262# define MUTEX_INIT_CALLS_MALLOC
2263# endif
7f3d1cf1
BH		 2264typedef cthread_t perl_os_thread;
2265typedef mutex_t perl_mutex;
2266typedef condition_t perl_cond;
2267typedef void * perl_key;
2268# else /* Posix threads */
1f5ae88c
JH		 2269# ifdef I_PTHREAD
2270# include <pthread.h>
2271# endif
7f3d1cf1
BH		 2272typedef pthread_t perl_os_thread;
2273typedef pthread_mutex_t perl_mutex;
2274typedef pthread_cond_t perl_cond;
2275typedef pthread_key_t perl_key;
2276# endif /* I_MACH_CTHREADS */
dd96f567 2277# endif /* OS2 */
32f822de
GS		 2278# endif /* WIN32 */
2279# endif /* FAKE_THREADS */
2986a63f 2280#endif /* NETWARE */
3db8f154 2281#endif /* USE_ITHREADS */
c5be433b 2282
66a93824 2283#if defined(WIN32)
1feb2720 2284# include "win32.h"
c5be433b
GS		 2285#endif
2286
2986a63f
JH		 2287#ifdef NETWARE
2288# include "netware.h"
2289#endif
2290
68dc0745 2291#ifdef VMS
6b88bc9c 2292# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2293# define STATUS_NATIVE_EXPORT \
d98f61e7 2294 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2295# define STATUS_NATIVE_SET(n) \
2296 STMT_START { \
6b88bc9c
GS		 2297 PL_statusvalue_vms = (n); \
2298 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2299 PL_statusvalue = -1; \
6b88bc9c 2300 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2301 PL_statusvalue = 0; \
6b88bc9c
GS		 2302 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2303 PL_statusvalue = 1 << 8; \
68dc0745 2304 else \
6b88bc9c 2305 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2306 } STMT_END
3280af22 2307# define STATUS_POSIX PL_statusvalue
68dc0745 2308# ifdef VMSISH_STATUS
2309# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2310# else
2311# define STATUS_CURRENT STATUS_POSIX
2312# endif
2313# define STATUS_POSIX_SET(n) \
2314 STMT_START { \
3280af22
NIS		 2315 PL_statusvalue = (n); \
2316 if (PL_statusvalue != -1) { \
2317 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2318 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2319 } \
6b88bc9c 2320 else PL_statusvalue_vms = -1; \
68dc0745 2321 } STMT_END
6b88bc9c
GS		 2322# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2323# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2324#else
2325# define STATUS_NATIVE STATUS_POSIX
2326# define STATUS_NATIVE_EXPORT STATUS_POSIX
2327# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2328# define STATUS_POSIX PL_statusvalue
68dc0745 2329# define STATUS_POSIX_SET(n) \
2330 STMT_START { \
3280af22
NIS		 2331 PL_statusvalue = (n); \
2332 if (PL_statusvalue != -1) \
2333 PL_statusvalue &= 0xFFFF; \
68dc0745 2334 } STMT_END
2335# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2336# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2337# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2338#endif
2339
cc3604b1
GS		 2340/* flags in PL_exit_flags for nature of exit() */
2341#define PERL_EXIT_EXPECTED 0x01
31d77e54 2342#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2343
0b94c7bb 2344#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2345# define MEMBER_TO_FPTR(name) name
2346#endif
2347
2348/* format to use for version numbers in file/directory names */
273cf8d1 2349/* XXX move to Configure? */
a7cb1f99 2350#ifndef PERL_FS_VER_FMT
273cf8d1 2351# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2352#endif
2353
45bc9206 2354/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2355 * performance issue, so we allow people to disable it. Also, if
2356 * we are using stdio, there are broken implementations of fflush(NULL)
2357 * out there, Solaris being the most prominent.
45bc9206
GS		 2358 */
2359#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2360# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2361# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2362# else
2363# ifdef FFLUSH_ALL
2364# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2365# else
c5be433b 2366# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2367# endif
66fe083f 2368# endif
45bc9206
GS		 2369#endif
2370
7766f137
GS		 2371#ifndef PERL_WAIT_FOR_CHILDREN
2372# define PERL_WAIT_FOR_CHILDREN NOOP
2373#endif
2374
ba869deb 2375/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2376#ifndef PERL_SET_INTERP
2377# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2378#endif
2379
2380#ifndef PERL_GET_INTERP
2381# define PERL_GET_INTERP (PL_curinterp)
2382#endif
2383
54aff467 2384#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2385# ifdef MULTIPLICITY
ba869deb 2386# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2387# endif
ba869deb
GS		 2388# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2389#endif
2390
894356b3
GS		 2391#ifndef SVf
2392# ifdef CHECK_FORMAT
5df617be 2393# define SVf "-p"
894356b3
GS		 2394# else
2395# define SVf "_"
d460ef45 2396# endif
894356b3
GS		 2397#endif
2398
014ead4b 2399#ifndef SVf_precision
d2560b70 2400# ifdef CHECK_FORMAT
014ead4b 2401# define SVf_precision(n) "-" n "p"
d2560b70 2402# else
014ead4b 2403# define SVf_precision(n) "." n "_"
d460ef45 2404# endif
d2560b70
RB		 2405#endif
2406
014ead4b
RB		 2407#ifndef SVf32
2408# define SVf32 SVf_precision("32")
2409#endif
2410
2411#ifndef SVf256
2412# define SVf256 SVf_precision("256")
2413#endif
2414
2415#ifndef UVf
2416# define UVf UVuf
d2560b70
RB		 2417#endif
2418
5df617be 2419#ifndef DieNull
b3fe4827 2420# ifdef CHECK_FORMAT
3358ade6 2421# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827 2422# else
5df617be 2423# define DieNull Perl_die(aTHX_ Nullch)
b3fe4827
RB		 2424# endif
2425#endif
2426
287c8091
RB		 2427#ifndef __attribute__format__
2428# ifdef CHECK_FORMAT
2429# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2430# else
2431# define __attribute__format__(x,y,z)
2432# endif
2433#endif
2434
3fc1aec6 2435/* Some unistd.h's give a prototype for pause() even though
2436 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2437 below to be rejected by the compiler. Sigh.
3fc1aec6 2438*/
2439#ifdef HAS_PAUSE
2440#define Pause pause
2441#else
2442#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2443#endif
2444
2445#ifndef IOCPARM_LEN
2446# ifdef IOCPARM_MASK
2447 /* on BSDish systes we're safe */
2448# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2449# else
2450 /* otherwise guess at what's safe */
2451# define IOCPARM_LEN(x) 256
2452# endif
a0d0e21e
LW		 2453#endif
2454
1761cee5 2455#if defined(__CYGWIN__)
521e0776
GS		 2456/* USEMYBINMODE
2457 * This symbol, if defined, indicates that the program should
16fe6d59 2458 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2459 * that a file is in "binary" mode -- that is, that no translation
2460 * of bytes occurs on read or write operations.
2461 */
36894f0b 2462# define USEMYBINMODE /**/
77a40698 2463# include <io.h> /* for setmode() prototype */
16fe6d59 2464# define my_binmode(fp, iotype, mode) \
77a40698 2465 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2466#endif
2467
88d10794
JH		 2468#ifdef __CYGWIN__
2469void init_os_extras(void);
2470#endif
2471
cea2e8a9
GS		 2472#ifdef UNION_ANY_DEFINITION
2473UNION_ANY_DEFINITION;
2474#else
2475union any {
2476 void* any_ptr;
2477 I32 any_i32;
2478 IV any_iv;
2479 long any_long;
9febdf04 2480 bool any_bool;
c76ac1ee 2481 void (*any_dptr) (void*);
acfe0abc 2482 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2483};
2484#endif
2485
acfe0abc 2486typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2487
2488#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2489#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2490#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2491
c5078cac
JH		 2492#if defined(_AIX) && !defined(_AIX43)
2493#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2494/* We cannot include <crypt.h> to get the struct crypt_data
2495 * because of setkey prototype problems when threading */
2496typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2497 /* From OSF, Not needed in AIX
2498 char C[28], D[28];
2499 */
2500 char E[48];
2501 char KS[16][48];
2502 char block[66];
2503 char iobuf[16];
2504} CRYPTD;
2505#endif /* threading */
2506#endif /* AIX */
2507
af8b425d 2508#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2509# include "iperlsys.h"
2510#endif
504f80c1 2511
d10dc2ae
JH		 2512/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2513 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2514 * defined by Configure, despite their names being similar to the
2515 * other defines like USE_ITHREADS. Configure in fact knows nothing
2516 * about the randomised hashes. Therefore to enable/disable the hash
2517 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2518#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2519# define USE_HASH_SEED
504f80c1
JH		 2520#endif
2521
378cc40b 2522#include "regexp.h"
79072805 2523#include "sv.h"
378cc40b 2524#include "util.h"
8d063cd8 2525#include "form.h"
79072805 2526#include "gv.h"
dd2155a4 2527#include "pad.h"
79072805 2528#include "cv.h"
abdd5c84 2529#include "opnames.h"
79072805
LW		 2530#include "op.h"
2531#include "cop.h"
2532#include "av.h"
2533#include "hv.h"
2534#include "mg.h"
2535#include "scope.h"
4438c4b7 2536#include "warnings.h"
a0ed51b3 2537#include "utf8.h"
8d063cd8 2538
7fae4e64
GS		 2539/* Current curly descriptor */
2540typedef struct curcur CURCUR;
2541struct curcur {
2542 int parenfloor; /* how far back to strip paren data */
2543 int cur; /* how many instances of scan we've matched */
2544 int min; /* the minimal number of scans to match */
2545 int max; /* the maximal number of scans to match */
2546 int minmod; /* whether to work our way up or down */
2547 regnode * scan; /* the thing to match */
2548 regnode * next; /* what has to match after it */
2549 char * lastloc; /* where we started matching this scan */
2550 CURCUR * oldcc; /* current curly before we started this one */
2551};
2552
2553typedef struct _sublex_info SUBLEXINFO;
2554struct _sublex_info {
2555 I32 super_state; /* lexer state to save */
2556 I32 sub_inwhat; /* "lex_inwhat" to use */
2557 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2558 char *super_bufptr; /* PL_bufptr that was */
2559 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2560};
2561
455ece5e 2562typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2563
2c2d71f5 2564struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2565struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2566
2567typedef I32 CHECKPOINT;
76e3520e 2568
5f7fde29
GS		 2569struct ptr_tbl_ent {
2570 struct ptr_tbl_ent* next;
2571 void* oldval;
2572 void* newval;
d18c6117
GS		 2573};
2574
5f7fde29
GS		 2575struct ptr_tbl {
2576 struct ptr_tbl_ent** tbl_ary;
2577 UV tbl_max;
2578 UV tbl_items;
d18c6117
GS		 2579};
2580
450a55e4 2581#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2582# define I286
2583#endif
2584
fe14fcc3
LW		 2585#if defined(htonl) && !defined(HAS_HTONL)
2586#define HAS_HTONL
ae986130 2587#endif
fe14fcc3
LW		 2588#if defined(htons) && !defined(HAS_HTONS)
2589#define HAS_HTONS
ae986130 2590#endif
fe14fcc3
LW		 2591#if defined(ntohl) && !defined(HAS_NTOHL)
2592#define HAS_NTOHL
ae986130 2593#endif
fe14fcc3
LW		 2594#if defined(ntohs) && !defined(HAS_NTOHS)
2595#define HAS_NTOHS
ae986130 2596#endif
fe14fcc3 2597#ifndef HAS_HTONL
d9d8d8de 2598#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2599#define HAS_HTONS
2600#define HAS_HTONL
2601#define HAS_NTOHS
2602#define HAS_NTOHL
a687059c
LW		 2603#define MYSWAP
2604#define htons my_swap
2605#define htonl my_htonl
2606#define ntohs my_swap
2607#define ntohl my_ntohl
2608#endif
2609#else
d9d8d8de 2610#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2611#undef HAS_HTONS
2612#undef HAS_HTONL
2613#undef HAS_NTOHS
2614#undef HAS_NTOHL
a687059c
LW		 2615#endif
2616#endif
2617
988174c1
LW		 2618/*
2619 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2620 * -DWS
2621 */
2622#if BYTEORDER != 0x1234
2623# define HAS_VTOHL
2624# define HAS_VTOHS
2625# define HAS_HTOVL
2626# define HAS_HTOVS
c67712b2 2627# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2628# define vtohl(x) ((((x)&0xFF)<<24) \
2629 +(((x)>>24)&0xFF) \
2630 +(((x)&0x0000FF00)<<8) \
2631 +(((x)&0x00FF0000)>>8) )
2632# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2633# define htovl(x) vtohl(x)
2634# define htovs(x) vtohs(x)
2635# endif
2636 /* otherwise default to functions in util.c */
2a8c3029 2637#ifndef htovs
c623ac67
GS		 2638short htovs(short n);
2639short vtohs(short n);
2640long htovl(long n);
2641long vtohl(long n);
988174c1 2642#endif
2a8c3029 2643#endif
988174c1 2644
3bb7c1b4
JH		 2645/* *MAX Plus 1. A floating point value.
2646 Hopefully expressed in a way that dodgy floating point can't mess up.
2647 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2648 is added to it
2649 May find that some broken compiler will want the value cast to I32.
2650 [after the shift, as signed >> may not be as secure as unsigned >>]
2651*/
2652#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2653#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2654/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2655 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2656 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2657*/
2658#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2659
3bb7c1b4
JH		 2660#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2661#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2662#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2663
2664/* This may look like unnecessary jumping through hoops, but converting
2665 out of range floating point values to integers *is* undefined behaviour,
2666 and it is starting to bite.
2667*/
2668#ifndef CAST_INLINE
65202027 2669#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2670#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2671#define I_V(what) (cast_iv((NV)(what)))
2672#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2673#else
2674#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2675 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2676 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2677#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2678 : ((n) < U32_MAX_P1 ? (U32) (n) \
2679 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2680#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2681 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2682 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2683#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2684 : ((n) < UV_MAX_P1 ? (UV) (n) \
2685 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2686#endif
2687
2688#define U_S(what) ((U16)U_32(what))
2689#define U_I(what) ((unsigned int)U_32(what))
2690#define U_L(what) U_32(what)
ed6116ce 2691
2d4389e4
JH		 2692/* These do not care about the fractional part, only about the range. */
2693#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2694#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2695
25da4f38
IZ		 2696/* Used with UV/IV arguments: */
2697 /* XXXX: need to speed it up */
2698#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2699#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2700
352d5a3a
LW		 2701#ifndef MAXSYSFD
2702# define MAXSYSFD 2
2703#endif
ee0007ab 2704
79072805 2705#ifndef __cplusplus
e1caacb4 2706#ifndef UNDER_CE
20ce7b12
GS		 2707Uid_t getuid (void);
2708Uid_t geteuid (void);
2709Gid_t getgid (void);
2710Gid_t getegid (void);
79072805 2711#endif
e1caacb4 2712#endif
8d063cd8 2713
0c30d9ec 2714#ifndef Perl_debug_log
bf49b057
GS		 2715# define Perl_debug_log PerlIO_stderr()
2716#endif
2717
2718#ifndef Perl_error_log
2719# define Perl_error_log (PL_stderrgv \
6b78add2 2720 && isGV(PL_stderrgv) \
01bb7c6d 2721 && GvIOp(PL_stderrgv) \
42de951c 2722 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2723 ? IoOFP(GvIOp(PL_stderrgv)) \
2724 : PerlIO_stderr())
0c30d9ec 2725#endif
3967c732 2726
aea4f609
DM		 2727
2728#define DEBUG_p_FLAG 0x00000001 /* 1 */
2729#define DEBUG_s_FLAG 0x00000002 /* 2 */
2730#define DEBUG_l_FLAG 0x00000004 /* 4 */
2731#define DEBUG_t_FLAG 0x00000008 /* 8 */
2732#define DEBUG_o_FLAG 0x00000010 /* 16 */
2733#define DEBUG_c_FLAG 0x00000020 /* 32 */
2734#define DEBUG_P_FLAG 0x00000040 /* 64 */
2735#define DEBUG_m_FLAG 0x00000080 /* 128 */
2736#define DEBUG_f_FLAG 0x00000100 /* 256 */
2737#define DEBUG_r_FLAG 0x00000200 /* 512 */
2738#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2739#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2740 /* spare */
aea4f609
DM		 2741#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2742#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2743#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2744#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2745#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2746#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2747#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2748#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2749#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2750#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2751#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2752#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2753
2754#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2755#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2756 that something was done? */
aea4f609 2757
bd16a5f0
IZ		 2758# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2759# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2760# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2761# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2762# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2763# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2764# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2765# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2766# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2767# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2768# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2769# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2770# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2771# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2772# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2773# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2774# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2775# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2776# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2777# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2778# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 2779# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2780# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2781# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2782
3967c732 2783#ifdef DEBUGGING
aea4f609 2784
bd16a5f0
IZ		 2785# define DEBUG_p_TEST DEBUG_p_TEST_
2786# define DEBUG_s_TEST DEBUG_s_TEST_
2787# define DEBUG_l_TEST DEBUG_l_TEST_
2788# define DEBUG_t_TEST DEBUG_t_TEST_
2789# define DEBUG_o_TEST DEBUG_o_TEST_
2790# define DEBUG_c_TEST DEBUG_c_TEST_
2791# define DEBUG_P_TEST DEBUG_P_TEST_
2792# define DEBUG_m_TEST DEBUG_m_TEST_
2793# define DEBUG_f_TEST DEBUG_f_TEST_
2794# define DEBUG_r_TEST DEBUG_r_TEST_
2795# define DEBUG_x_TEST DEBUG_x_TEST_
2796# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2797# define DEBUG_H_TEST DEBUG_H_TEST_
2798# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2799# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2800# define DEBUG_D_TEST DEBUG_D_TEST_
2801# define DEBUG_S_TEST DEBUG_S_TEST_
2802# define DEBUG_T_TEST DEBUG_T_TEST_
2803# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2804# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2805# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2806# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 2807# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 2808# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 2809
488b0c7a
JH		 2810# define PERL_DEB(a) a
2811# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2812# define DEBUG_p(a) if (DEBUG_p_TEST) a
2813# define DEBUG_s(a) if (DEBUG_s_TEST) a
2814# define DEBUG_l(a) if (DEBUG_l_TEST) a
2815# define DEBUG_t(a) if (DEBUG_t_TEST) a
2816# define DEBUG_o(a) if (DEBUG_o_TEST) a
2817# define DEBUG_c(a) if (DEBUG_c_TEST) a
2818# define DEBUG_P(a) if (DEBUG_P_TEST) a
2819
969058bb
VK		 2820 /* Temporarily turn off memory debugging in case the a
2821 * does memory allocation, either directly or indirectly. */
acfe0abc 2822# define DEBUG_m(a) \
0b250b9e 2823 STMT_START { \
aea4f609 2824 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2825 } STMT_END
aea4f609 2826
5f80b19c
AMS		 2827# define DEBUG__(t, a) \
2828 STMT_START { \
2829 if (t) STMT_START {a;} STMT_END; \
2830 } STMT_END
2831
2832# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2833# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2834# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2835# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2836# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2837# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2838# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2839# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2840
3db8f154 2841# define DEBUG_S(a)
aea4f609 2842
5f80b19c
AMS		 2843# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2844# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2845# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2846# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 2847# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2848# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 2849
2850#else /* DEBUGGING */
2851
2852# define DEBUG_p_TEST (0)
2853# define DEBUG_s_TEST (0)
2854# define DEBUG_l_TEST (0)
2855# define DEBUG_t_TEST (0)
2856# define DEBUG_o_TEST (0)
2857# define DEBUG_c_TEST (0)
2858# define DEBUG_P_TEST (0)
2859# define DEBUG_m_TEST (0)
2860# define DEBUG_f_TEST (0)
2861# define DEBUG_r_TEST (0)
2862# define DEBUG_x_TEST (0)
2863# define DEBUG_u_TEST (0)
aea4f609
DM		 2864# define DEBUG_H_TEST (0)
2865# define DEBUG_X_TEST (0)
dd2155a4 2866# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2867# define DEBUG_D_TEST (0)
2868# define DEBUG_S_TEST (0)
2869# define DEBUG_T_TEST (0)
04932ac8 2870# define DEBUG_R_TEST (0)
1045810a 2871# define DEBUG_J_TEST (0)
d6721266 2872# define DEBUG_v_TEST (0)
46187eeb 2873# define DEBUG_C_TEST (0)
ecae49c0
NC		 2874# define DEBUG_A_TEST (0)
2875# define DEBUG_q_TEST (0)
aea4f609 2876
488b0c7a
JH		 2877# define PERL_DEB(a)
2878# define PERL_DEBUG(a)
aea4f609
DM		 2879# define DEBUG_p(a)
2880# define DEBUG_s(a)
2881# define DEBUG_l(a)
2882# define DEBUG_t(a)
2883# define DEBUG_o(a)
2884# define DEBUG_c(a)
2885# define DEBUG_P(a)
2886# define DEBUG_m(a)
2887# define DEBUG_f(a)
2888# define DEBUG_r(a)
2889# define DEBUG_x(a)
2890# define DEBUG_u(a)
aea4f609
DM		 2891# define DEBUG_H(a)
2892# define DEBUG_X(a)
dd2155a4 2893# define DEBUG_Xv(a)
aea4f609
DM		 2894# define DEBUG_D(a)
2895# define DEBUG_S(a)
2896# define DEBUG_T(a)
04932ac8 2897# define DEBUG_R(a)
d6721266 2898# define DEBUG_v(a)
46187eeb 2899# define DEBUG_C(a)
ecae49c0
NC		 2900# define DEBUG_A(a)
2901# define DEBUG_q(a)
aea4f609
DM		 2902#endif /* DEBUGGING */
2903
2904
b4ab917c
DM		 2905#define DEBUG_SCOPE(where) \
2906 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2907 where, PL_scopestack_ix, __FILE__, __LINE__)));
2908
2909
2910
2911
d1be9408 2912/* These constants should be used in preference to raw characters
14befaf4
DM		 2913 * when using magic. Note that some perl guts still assume
2914 * certain character properties of these constants, namely that
2915 * isUPPER() and toLOWER() may do useful mappings.
2916 *
2917 * Update the magic_names table in dump.c when adding/amending these
2918 */
2919
2920#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2921#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2922#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2923#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2924#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2925#define PERL_MAGIC_regdata 'D' /* Regex match position data
2926 (@+ and @- vars) */
2927#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2928#define PERL_MAGIC_env 'E' /* %ENV hash */
2929#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2930#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2931#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2932#define PERL_MAGIC_isa 'I' /* @ISA array */
2933#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2934#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2935#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2936#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2937#define PERL_MAGIC_mutex 'm' /* for lock op */
2938#define PERL_MAGIC_shared 'N' /* Shared between threads */
2939#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2940#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2941#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2942#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2943#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2944#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2945#define PERL_MAGIC_sig 'S' /* %SIG hash */
2946#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2947#define PERL_MAGIC_taint 't' /* Taintedness */
2948#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2949#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2950#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2951#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2952#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2953#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2954#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2955 smart parameter vivification */
2956#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2957#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2958#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2959#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2960#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2961
2962
a6e633de 2963#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 2964#define assert(what) PERL_DEB( \
2965 ((what) ? ((void) 0) : \
2966 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2967 __FILE__, __LINE__), \
2968 PerlProc_exit(1), \
2969 (void) 0)))
a446a88f 2970#endif
8d063cd8 2971
450a55e4 2972struct ufuncs {
24f81a43
DM		 2973 I32 (*uf_val)(pTHX_ IV, SV*);
2974 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2975 IV uf_index;
450a55e4
LW		 2976};
2977
14befaf4 2978/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2979 * XS code wanting to be backward compatible can do something
2980 * like the following:
c745e42c 2981
24f81a43 2982#ifndef PERL_MG_UFUNC
24f81a43
DM		 2983#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2984#endif
2985
2986static PERL_MG_UFUNC(foo_get, index, val)
2987{
2988 sv_setsv(val, ...);
2989 return TRUE;
2990}
2991
2992-- Doug MacEachern
2993
2994*/
2995
fc9c74e6 2996#ifndef PERL_MG_UFUNC
24f81a43 2997#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2998#endif
24f81a43 2999
fe14fcc3 3000/* Fix these up for __STDC__ */
68dc0745 3001#ifndef DONT_DECLARE_STD
20ce7b12 3002char *mktemp (char*);
37bd1396 3003#ifndef atof
20ce7b12 3004double atof (const char*);
a0d0e21e 3005#endif
37bd1396 3006#endif
79072805 3007
352d5a3a 3008#ifndef STANDARD_C
fe14fcc3 3009/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3010Time_t time();
8d063cd8 3011struct tm *gmtime(), *localtime();
092bebab 3012#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3013char *(strchr)(), *(strrchr)();
3014char *(strcpy)(), *(strcat)();
3015#else
93a17b20 3016char *strchr(), *strrchr();
378cc40b 3017char *strcpy(), *strcat();
9d116dd7 3018#endif
352d5a3a 3019#endif /* ! STANDARD_C */
8d063cd8 3020
79072805
LW		 3021
3022#ifdef I_MATH
3023# include <math.h>
3024#else
32f822de 3025START_EXTERN_C
20ce7b12
GS		 3026 double exp (double);
3027 double log (double);
3028 double log10 (double);
3029 double sqrt (double);
3030 double frexp (double,int*);
3031 double ldexp (double,int);
3032 double modf (double,double*);
3033 double sin (double);
3034 double cos (double);
3035 double atan2 (double,double);
3036 double pow (double,double);
32f822de 3037END_EXTERN_C
79072805
LW		 3038#endif
3039
aa8b85de
JH		 3040#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3041# define NV_INF LDBL_INFINITY
3042#endif
3043#if !defined(NV_INF) && defined(DBL_INFINITY)
3044# define NV_INF (NV)DBL_INFINITY
3045#endif
3046#if !defined(NV_INF) && defined(INFINITY)
3047# define NV_INF (NV)INFINITY
3048#endif
3049#if !defined(NV_INF) && defined(INF)
3050# define NV_INF (NV)INF
3051#endif
3052#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3053# define NV_INF (NV)HUGE_VALL
3054#endif
3055#if !defined(NV_INF) && defined(HUGE_VAL)
3056# define NV_INF (NV)HUGE_VAL
3057#endif
3058
3059#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3060# if !defined(NV_NAN) && defined(LDBL_NAN)
3061# define NV_NAN LDBL_NAN
3062# endif
3063# if !defined(NV_NAN) && defined(LDBL_QNAN)
3064# define NV_NAN LDBL_QNAN
3065# endif
3066# if !defined(NV_NAN) && defined(LDBL_SNAN)
3067# define NV_NAN LDBL_SNAN
3068# endif
3069#endif
3070#if !defined(NV_NAN) && defined(DBL_NAN)
3071# define NV_NAN (NV)DBL_NAN
3072#endif
3073#if !defined(NV_NAN) && defined(DBL_QNAN)
3074# define NV_NAN (NV)DBL_QNAN
3075#endif
3076#if !defined(NV_NAN) && defined(DBL_SNAN)
3077# define NV_NAN (NV)DBL_SNAN
3078#endif
3079#if !defined(NV_NAN) && defined(QNAN)
3080# define NV_NAN (NV)QNAN
3081#endif
3082#if !defined(NV_NAN) && defined(SNAN)
3083# define NV_NAN (NV)SNAN
3084#endif
3085#if !defined(NV_NAN) && defined(NAN)
3086# define NV_NAN (NV)NAN
3087#endif
3088
a0d0e21e 3089#ifndef __cplusplus
8f1f23e8 3090# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3091char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3092# else
fd8cd3a3 3093# if !defined(WIN32) && !defined(VMS)
10bc17b6 3094#ifndef crypt
20ce7b12 3095char *crypt (const char*, const char*);
10bc17b6 3096#endif
5014db98 3097# endif /* !WIN32 */
8f1f23e8 3098# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3099# ifndef DONT_DECLARE_STD
3100# ifndef getenv
20ce7b12 3101char *getenv (const char*);
26618a56 3102# endif /* !getenv */
28ca6303 3103# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3104# ifdef _FILE_OFFSET_BITS
28ca6303 3105# if _FILE_OFFSET_BITS == 64
20ce7b12 3106Off_t lseek (int,Off_t,int);
0fc67700
JH		 3107# endif
3108# endif
bf0c440f 3109# endif
26618a56 3110# endif /* !DONT_DECLARE_STD */
10bc17b6 3111#ifndef getlogin
20ce7b12 3112char *getlogin (void);
10bc17b6 3113#endif
26618a56 3114#endif /* !__cplusplus */
79072805 3115
16d20bd9 3116#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3117#define UNLINK unlnk
20ce7b12 3118I32 unlnk (char*);
8d063cd8 3119#else
80252599 3120#define UNLINK PerlLIO_unlink
8d063cd8 3121#endif
a687059c 3122
fa0a29af
JH		 3123/* some versions of glibc are missing the setresuid() proto */
3124#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3125int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3126#endif
fa0a29af
JH		 3127/* some versions of glibc are missing the setresgid() proto */
3128#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3129int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3130#endif
3131
fe14fcc3 3132#ifndef HAS_SETREUID
85e6fe83
LW		 3133# ifdef HAS_SETRESUID
3134# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3135# define HAS_SETREUID
3136# endif
a687059c 3137#endif
fe14fcc3 3138#ifndef HAS_SETREGID
85e6fe83
LW		 3139# ifdef HAS_SETRESGID
3140# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3141# define HAS_SETREGID
3142# endif
a687059c 3143#endif
ee0007ab 3144
d543acb6 3145/* Sighandler_t defined in iperlsys.h */
ff68c719 3146
3147#ifdef HAS_SIGACTION
3148typedef struct sigaction Sigsave_t;
3149#else
3150typedef Sighandler_t Sigsave_t;
3151#endif
3152
ee0007ab
LW		 3153#define SCAN_DEF 0
3154#define SCAN_TR 1
3155#define SCAN_REPL 2
79072805
LW		 3156
3157#ifdef DEBUGGING
4633a7c4 3158# ifndef register
a0d0e21e
LW		 3159# define register
3160# endif
cea2e8a9 3161# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3162#else
cea2e8a9 3163# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3164#endif
3165
18f739ee 3166#ifdef MYMALLOC
772fe5b3 3167# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3168# define MALLOC_INIT \
3169 STMT_START { \
3170 PL_malloc_mutex = NULL; \
3171 MUTEX_INIT(&PL_malloc_mutex); \
3172 } STMT_END
3173# define MALLOC_TERM \
3174 STMT_START { \
3175 perl_mutex tmp = PL_malloc_mutex; \
3176 PL_malloc_mutex = NULL; \
3177 MUTEX_DESTROY(&tmp); \
3178 } STMT_END
3179# else
3180# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3181# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3182# endif
18f739ee
IZ		 3183#else
3184# define MALLOC_INIT
3185# define MALLOC_TERM
3186#endif
3187
b6d9d515 3188
0cb96387 3189typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3190typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3191typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3192typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3193
940cb80d 3194/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3195#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3196
8f1f23e8
W		 3197/* NeXT has problems with crt0.o globals */
3198#if defined(__DYNAMIC__) && \
6239f2da 3199 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3200# if defined(NeXT) || defined(__NeXT)
3201# include <mach-o/dyld.h>
3202# define environ (*environ_pointer)
0c30d9ec 3203EXT char *** environ_pointer;
8f1f23e8 3204# else
6239f2da 3205# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3206# include <crt_externs.h> /* for the env array */
3207# define environ (*_NSGetEnviron())
3208# endif
0c30d9ec 3209# endif
8f1f23e8
W		 3210#else
3211 /* VMS and some other platforms don't use the environ array */
13b6e58c 3212# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3213# if !defined(DONT_DECLARE_STD) || \
3214 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3215 defined(__sgi) || \
d460ef45 3216 defined(__DGUX)
8f1f23e8 3217extern char ** environ; /* environment variables supplied via exec */
a6c40364 3218# endif
8f1f23e8
W		 3219# endif
3220#endif
79072805 3221
73c4f7a1
GS		 3222START_EXTERN_C
3223
79072805 3224/* handy constants */
22c35a8c 3225EXTCONST char PL_warn_uninit[]
29489e7c 3226 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3227EXTCONST char PL_warn_nosemi[]
463ee0b2 3228 INIT("Semicolon seems to be missing");
22c35a8c 3229EXTCONST char PL_warn_reserved[]
463ee0b2 3230 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3231EXTCONST char PL_warn_nl[]
93a17b20 3232 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3233EXTCONST char PL_no_wrongref[]
a0d0e21e 3234 INIT("Can't use %s ref as %s ref");
22c35a8c 3235EXTCONST char PL_no_symref[]
748a9306 3236 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3237EXTCONST char PL_no_symref_sv[]
014ead4b 3238 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3239EXTCONST char PL_no_usym[]
8990e307 3240 INIT("Can't use an undefined value as %s reference");
22c35a8c 3241EXTCONST char PL_no_aelem[]
93a17b20 3242 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3243EXTCONST char PL_no_helem[]
93a17b20 3244 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3245EXTCONST char PL_no_modify[]
93a17b20 3246 INIT("Modification of a read-only value attempted");
22c35a8c 3247EXTCONST char PL_no_mem[]
93a17b20 3248 INIT("Out of memory!\n");
22c35a8c 3249EXTCONST char PL_no_security[]
463ee0b2 3250 INIT("Insecure dependency in %s%s");
22c35a8c 3251EXTCONST char PL_no_sock_func[]
93a17b20 3252 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3253EXTCONST char PL_no_dir_func[]
93a17b20 3254 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3255EXTCONST char PL_no_func[]
93a17b20 3256 INIT("The %s function is unimplemented");
22c35a8c 3257EXTCONST char PL_no_myglob[]
748a9306 3258 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3259EXTCONST char PL_no_localize_ref[]
3260 INIT("Can't localize through a reference");
27d5b266
JH		 3261#ifdef PERL_MALLOC_WRAP
3262EXTCONST char PL_memory_wrap[]
3263 INIT("panic: memory wrap");
3264#endif
93a17b20 3265
7575fa06 3266EXTCONST char PL_uuemap[65]
80252599
GS		 3267 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3268
3269
79072805 3270#ifdef DOINIT
e1ec3a88 3271EXT const char *PL_sig_name[] = { SIG_NAME };
22c35a8c 3272EXT int PL_sig_num[] = { SIG_NUM };
79072805 3273#else
e1ec3a88 3274EXT const char *PL_sig_name[];
22c35a8c 3275EXT int PL_sig_num[];
79072805
LW		 3276#endif
3277
3bd709b1 3278/* fast conversion and case folding tables */
bbce6d69 3279
79072805 3280#ifdef DOINIT
9d116dd7 3281#ifdef EBCDIC
22c35a8c 3282EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3283 0, 1, 2, 3, 4, 5, 6, 7,
3284 8, 9, 10, 11, 12, 13, 14, 15,
3285 16, 17, 18, 19, 20, 21, 22, 23,
3286 24, 25, 26, 27, 28, 29, 30, 31,
3287 32, 33, 34, 35, 36, 37, 38, 39,
3288 40, 41, 42, 43, 44, 45, 46, 47,
3289 48, 49, 50, 51, 52, 53, 54, 55,
3290 56, 57, 58, 59, 60, 61, 62, 63,
3291 64, 65, 66, 67, 68, 69, 70, 71,
3292 72, 73, 74, 75, 76, 77, 78, 79,
3293 80, 81, 82, 83, 84, 85, 86, 87,
3294 88, 89, 90, 91, 92, 93, 94, 95,
3295 96, 97, 98, 99, 100, 101, 102, 103,
3296 104, 105, 106, 107, 108, 109, 110, 111,
3297 112, 113, 114, 115, 116, 117, 118, 119,
3298 120, 121, 122, 123, 124, 125, 126, 127,
3299 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3300 'H', 'I', 138, 139, 140, 141, 142, 143,
3301 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3302 'Q', 'R', 154, 155, 156, 157, 158, 159,
3303 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3304 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3305 176, 177, 178, 179, 180, 181, 182, 183,
3306 184, 185, 186, 187, 188, 189, 190, 191,
3307 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3308 'h', 'i', 202, 203, 204, 205, 206, 207,
3309 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3310 'q', 'r', 218, 219, 220, 221, 222, 223,
3311 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3312 'y', 'z', 234, 235, 236, 237, 238, 239,
3313 240, 241, 242, 243, 244, 245, 246, 247,
3314 248, 249, 250, 251, 252, 253, 254, 255
3315};
3316#else /* ascii rather than ebcdic */
22c35a8c 3317EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3318 0, 1, 2, 3, 4, 5, 6, 7,
3319 8, 9, 10, 11, 12, 13, 14, 15,
3320 16, 17, 18, 19, 20, 21, 22, 23,
3321 24, 25, 26, 27, 28, 29, 30, 31,
3322 32, 33, 34, 35, 36, 37, 38, 39,
3323 40, 41, 42, 43, 44, 45, 46, 47,
3324 48, 49, 50, 51, 52, 53, 54, 55,
3325 56, 57, 58, 59, 60, 61, 62, 63,
3326 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3327 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3328 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3329 'x', 'y', 'z', 91, 92, 93, 94, 95,
3330 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3331 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3332 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3333 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3334 128, 129, 130, 131, 132, 133, 134, 135,
3335 136, 137, 138, 139, 140, 141, 142, 143,
3336 144, 145, 146, 147, 148, 149, 150, 151,
3337 152, 153, 154, 155, 156, 157, 158, 159,
3338 160, 161, 162, 163, 164, 165, 166, 167,
3339 168, 169, 170, 171, 172, 173, 174, 175,
3340 176, 177, 178, 179, 180, 181, 182, 183,
3341 184, 185, 186, 187, 188, 189, 190, 191,
3342 192, 193, 194, 195, 196, 197, 198, 199,
3343 200, 201, 202, 203, 204, 205, 206, 207,
3344 208, 209, 210, 211, 212, 213, 214, 215,
3345 216, 217, 218, 219, 220, 221, 222, 223,
3346 224, 225, 226, 227, 228, 229, 230, 231,
3347 232, 233, 234, 235, 236, 237, 238, 239,
3348 240, 241, 242, 243, 244, 245, 246, 247,
3349 248, 249, 250, 251, 252, 253, 254, 255
3350};
9d116dd7 3351#endif /* !EBCDIC */
79072805 3352#else
22c35a8c 3353EXTCONST unsigned char PL_fold[];
79072805
LW		 3354#endif
3355
3356#ifdef DOINIT
22c35a8c 3357EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3358 0, 1, 2, 3, 4, 5, 6, 7,
3359 8, 9, 10, 11, 12, 13, 14, 15,
3360 16, 17, 18, 19, 20, 21, 22, 23,
3361 24, 25, 26, 27, 28, 29, 30, 31,
3362 32, 33, 34, 35, 36, 37, 38, 39,
3363 40, 41, 42, 43, 44, 45, 46, 47,
3364 48, 49, 50, 51, 52, 53, 54, 55,
3365 56, 57, 58, 59, 60, 61, 62, 63,
3366 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3367 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3368 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3369 'x', 'y', 'z', 91, 92, 93, 94, 95,
3370 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3371 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3372 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3373 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3374 128, 129, 130, 131, 132, 133, 134, 135,
3375 136, 137, 138, 139, 140, 141, 142, 143,
3376 144, 145, 146, 147, 148, 149, 150, 151,
3377 152, 153, 154, 155, 156, 157, 158, 159,
3378 160, 161, 162, 163, 164, 165, 166, 167,
3379 168, 169, 170, 171, 172, 173, 174, 175,
3380 176, 177, 178, 179, 180, 181, 182, 183,
3381 184, 185, 186, 187, 188, 189, 190, 191,
3382 192, 193, 194, 195, 196, 197, 198, 199,
3383 200, 201, 202, 203, 204, 205, 206, 207,
3384 208, 209, 210, 211, 212, 213, 214, 215,
3385 216, 217, 218, 219, 220, 221, 222, 223,
3386 224, 225, 226, 227, 228, 229, 230, 231,
3387 232, 233, 234, 235, 236, 237, 238, 239,
3388 240, 241, 242, 243, 244, 245, 246, 247,
3389 248, 249, 250, 251, 252, 253, 254, 255
3390};
3391#else
22c35a8c 3392EXT unsigned char PL_fold_locale[];
79072805
LW		 3393#endif
3394
3395#ifdef DOINIT
9d116dd7 3396#ifdef EBCDIC
22c35a8c 3397EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3398 1, 2, 84, 151, 154, 155, 156, 157,
3399 165, 246, 250, 3, 158, 7, 18, 29,
3400 40, 51, 62, 73, 85, 96, 107, 118,
3401 129, 140, 147, 148, 149, 150, 152, 153,
3402 255, 6, 8, 9, 10, 11, 12, 13,
3403 14, 15, 24, 25, 26, 27, 28, 226,
3404 29, 30, 31, 32, 33, 43, 44, 45,
3405 46, 47, 48, 49, 50, 76, 77, 78,
3406 79, 80, 81, 82, 83, 84, 85, 86,
3407 87, 94, 95, 234, 181, 233, 187, 190,
3408 180, 96, 97, 98, 99, 100, 101, 102,
3409 104, 112, 182, 174, 236, 232, 229, 103,
3410 228, 226, 114, 115, 116, 117, 118, 119,
3411 120, 121, 122, 235, 176, 230, 194, 162,
3412 130, 131, 132, 133, 134, 135, 136, 137,
3413 138, 139, 201, 205, 163, 217, 220, 224,
3414 5, 248, 227, 244, 242, 255, 241, 231,
3415 240, 253, 16, 197, 19, 20, 21, 187,
3416 23, 169, 210, 245, 237, 249, 247, 239,
3417 168, 252, 34, 196, 36, 37, 38, 39,
3418 41, 42, 251, 254, 238, 223, 221, 213,
3419 225, 177, 52, 53, 54, 55, 56, 57,
3420 58, 59, 60, 61, 63, 64, 65, 66,
3421 67, 68, 69, 70, 71, 72, 74, 75,
3422 205, 208, 186, 202, 200, 218, 198, 179,
3423 178, 214, 88, 89, 90, 91, 92, 93,
3424 217, 166, 170, 207, 199, 209, 206, 204,
3425 160, 212, 105, 106, 108, 109, 110, 111,
3426 203, 113, 216, 215, 192, 175, 193, 243,
3427 172, 161, 123, 124, 125, 126, 127, 128,
3428 222, 219, 211, 195, 188, 193, 185, 184,
3429 191, 183, 141, 142, 143, 144, 145, 146
3430};
3431#else /* ascii rather than ebcdic */
22c35a8c 3432EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3433 1, 2, 84, 151, 154, 155, 156, 157,
3434 165, 246, 250, 3, 158, 7, 18, 29,
3435 40, 51, 62, 73, 85, 96, 107, 118,
3436 129, 140, 147, 148, 149, 150, 152, 153,
3437 255, 182, 224, 205, 174, 176, 180, 217,
3438 233, 232, 236, 187, 235, 228, 234, 226,
3439 222, 219, 211, 195, 188, 193, 185, 184,
3440 191, 183, 201, 229, 181, 220, 194, 162,
3441 163, 208, 186, 202, 200, 218, 198, 179,
3442 178, 214, 166, 170, 207, 199, 209, 206,
3443 204, 160, 212, 216, 215, 192, 175, 173,
3444 243, 172, 161, 190, 203, 189, 164, 230,
3445 167, 248, 227, 244, 242, 255, 241, 231,
3446 240, 253, 169, 210, 245, 237, 249, 247,
3447 239, 168, 252, 251, 254, 238, 223, 221,
3448 213, 225, 177, 197, 171, 196, 159, 4,
3449 5, 6, 8, 9, 10, 11, 12, 13,
3450 14, 15, 16, 17, 19, 20, 21, 22,
3451 23, 24, 25, 26, 27, 28, 30, 31,
3452 32, 33, 34, 35, 36, 37, 38, 39,
3453 41, 42, 43, 44, 45, 46, 47, 48,
3454 49, 50, 52, 53, 54, 55, 56, 57,
3455 58, 59, 60, 61, 63, 64, 65, 66,
3456 67, 68, 69, 70, 71, 72, 74, 75,
3457 76, 77, 78, 79, 80, 81, 82, 83,
3458 86, 87, 88, 89, 90, 91, 92, 93,
3459 94, 95, 97, 98, 99, 100, 101, 102,
3460 103, 104, 105, 106, 108, 109, 110, 111,
3461 112, 113, 114, 115, 116, 117, 119, 120,
3462 121, 122, 123, 124, 125, 126, 127, 128,
3463 130, 131, 132, 133, 134, 135, 136, 137,
3464 138, 139, 141, 142, 143, 144, 145, 146
3465};
9d116dd7 3466#endif
79072805 3467#else
22c35a8c 3468EXTCONST unsigned char PL_freq[];
79072805
LW		 3469#endif
3470
8990e307
LW		 3471#ifdef DEBUGGING
3472#ifdef DOINIT
22c35a8c 3473EXTCONST char* PL_block_type[] = {
8990e307
LW		 3474 "NULL",
3475 "SUB",
3476 "EVAL",
3477 "LOOP",
3478 "SUBST",
3479 "BLOCK",
3480};
3481#else
22c35a8c 3482EXTCONST char* PL_block_type[];
8990e307
LW		 3483#endif
3484#endif
3485
73c4f7a1
GS		 3486END_EXTERN_C
3487
79072805
LW		 3488/*****************************************************************************/
3489/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3490/*****************************************************************************/
8990e307 3491/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3492
d4c3c482 3493#ifdef __Lynx__
9cffb111
OS		 3494/* LynxOS defines these in scsi.h which is included via ioctl.h */
3495#ifdef FORMAT
3496#undef FORMAT
3497#endif
3498#ifdef SPACE
3499#undef SPACE
3500#endif
d4c3c482 3501#endif
9cffb111 3502
1fd33325
MHM		 3503/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3504 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3505 * it's not really needed.
3506 */
3507#if defined(WIN32)
3508# define YYTOKENTYPE
3509#endif
a0d0e21e
LW		 3510#include "perly.h"
3511
fb73857a 3512#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3513
79072805
LW		 3514typedef enum {
3515 XOPERATOR,
3516 XTERM,
79072805 3517 XREF,
8990e307 3518 XSTATE,
a0d0e21e 3519 XBLOCK,
09bef843
SB		 3520 XATTRBLOCK,
3521 XATTRTERM,
6f33ba73
RGS		 3522 XTERMBLOCK,
3523 XTERMORDORDOR /* evil hack */
27308ded 3524 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3525} expectation;
3526
dc9e4912
GS		 3527enum { /* pass one of these to get_vtbl */
3528 want_vtbl_sv,
3529 want_vtbl_env,
3530 want_vtbl_envelem,
3531 want_vtbl_sig,
3532 want_vtbl_sigelem,
3533 want_vtbl_pack,
3534 want_vtbl_packelem,
3535 want_vtbl_dbline,
3536 want_vtbl_isa,
3537 want_vtbl_isaelem,
3538 want_vtbl_arylen,
3539 want_vtbl_glob,
3540 want_vtbl_mglob,
3541 want_vtbl_nkeys,
3542 want_vtbl_taint,
3543 want_vtbl_substr,
3544 want_vtbl_vec,
3545 want_vtbl_pos,
3546 want_vtbl_bm,
3547 want_vtbl_fm,
3548 want_vtbl_uvar,
3549 want_vtbl_defelem,
3550 want_vtbl_regexp,
3551 want_vtbl_collxfrm,
3552 want_vtbl_amagic,
3553 want_vtbl_amagicelem,
dc9e4912 3554 want_vtbl_regdata,
810b8aa5 3555 want_vtbl_regdatum,
7e8c5dac
HS		 3556 want_vtbl_backref,
3557 want_vtbl_utf8
dc9e4912
GS		 3558};
3559
85e6fe83
LW		 3560 /* Note: the lowest 8 bits are reserved for
3561 stuffing into op->op_private */
f3aa04c2 3562#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3563#define HINT_INTEGER 0x00000001 /* integer pragma */
3564#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3565#define HINT_LOCALE 0x00000004 /* locale pragma */
3566#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3567/* #define HINT_notused10 0x00000010 */
a0ed51b3 3568 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3569 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3570
3571#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3572#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3573#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3574
9cfe5470 3575/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3576#define HINT_NEW_INTEGER 0x00001000
3577#define HINT_NEW_FLOAT 0x00002000
3578#define HINT_NEW_BINARY 0x00004000
3579#define HINT_NEW_STRING 0x00008000
3580#define HINT_NEW_RE 0x00010000
3581#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3582
9cfe5470
RGS		 3583#define HINT_RE_TAINT 0x00100000 /* re pragma */
3584#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3585
9cfe5470
RGS		 3586#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3587#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3588
8fa7688f 3589/* assertions pragma */
06492da6 3590#define HINT_ASSERTING 0x01000000
8fa7688f 3591#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3592
9cfe5470 3593/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3594#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3595#define HINT_SORT_QUICKSORT 0x00000001
3596#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3597#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3598
8bfdd7d9 3599/* Various states of the input record separator SV (rs) */
d4cce5f1 3600#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3601#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3602#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3603#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3604
128e8167 3605/* A struct for keeping various DEBUGGING related stuff,
ce333219 3606 * neatly packed. Currently only scratch variables for
128e8167
JH		 3607 * constructing debug output are included. Needed always,
3608 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3609struct perl_debug_pad {
3610 SV pad[3];
3611};
3612
3613#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 3614#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
3615 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
3616 PERL_DEBUG_PAD(i))
ce333219 3617
56953603 3618/* Enable variables which are pointers to functions */
a2efc822 3619typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3620typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3621typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3622 char* strend, char* strbeg, I32 minend,
3623 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3624typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3625 char *strpos, char *strend,
3626 U32 flags,
3627 struct re_scream_pos_data_s *d);
3628typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3629typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3630
c76ac1ee 3631typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3632typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3633typedef void (*SVFUNC_t) (pTHX_ SV*);
3634typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3635typedef void (*XSINIT_t) (pTHX);
3636typedef void (*ATEXIT_t) (pTHX_ void*);
3637typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3638
22239a37
NIS		 3639/* Set up PERLVAR macros for populating structs */
3640#define PERLVAR(var,type) type var;
51371543 3641#define PERLVARA(var,n,type) type var[n];
22239a37 3642#define PERLVARI(var,type,init) type var;
3fe35a81 3643#define PERLVARIC(var,type,init) type var;
22239a37 3644
58a50f62
GS		 3645/* Interpreter exitlist entry */
3646typedef struct exitlistentry {
acfe0abc 3647 void (*fn) (pTHX_ void*);
58a50f62
GS		 3648 void *ptr;
3649} PerlExitListEntry;
3650
22239a37
NIS		 3651#ifdef PERL_GLOBAL_STRUCT
3652struct perl_vars {
7766f137 3653# include "perlvars.h"
22239a37
NIS		 3654};
3655
7766f137 3656# ifdef PERL_CORE
533c011a
NIS		 3657EXT struct perl_vars PL_Vars;
3658EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3659# else /* PERL_CORE */
3660# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3661EXT
7766f137 3662# endif /* WIN32 */
533c011a 3663struct perl_vars *PL_VarsPtr;
7766f137
GS		 3664# define PL_Vars (*((PL_VarsPtr) \
3665 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3666# endif /* PERL_CORE */
22239a37
NIS		 3667#endif /* PERL_GLOBAL_STRUCT */
3668
acfe0abc 3669#if defined(MULTIPLICITY)
d460ef45 3670/* If we have multiple interpreters define a struct
d4cce5f1 3671 holding variables which must be per-interpreter
d460ef45 3672 If we don't have threads anything that would have
d4cce5f1
NIS		 3673 be per-thread is per-interpreter.
3674*/
3675
79072805 3676struct interpreter {
3db8f154 3677# include "thrdvar.h"
7766f137
GS		 3678# include "intrpvar.h"
3679/*
3680 * The following is a buffer where new variables must
acfe0abc 3681 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3682 */
3683PERLVARA(object_compatibility,30, char)
49f531da 3684};
d4cce5f1 3685
79072805 3686#else
49f531da
NIS		 3687struct interpreter {
3688 char broiled;
3689};
acfe0abc 3690#endif /* MULTIPLICITY */
79072805 3691
22fae026 3692typedef void *Thread;
22239a37
NIS		 3693
3694/* Done with PERLVAR macros for now ... */
d4cce5f1 3695#undef PERLVAR
51371543 3696#undef PERLVARA
d4cce5f1 3697#undef PERLVARI
3fe35a81 3698#undef PERLVARIC
79072805 3699
49704364
WL		 3700/* Types used by pack/unpack */
3701typedef enum {
3702 e_no_len, /* no length */
3703 e_number, /* number, [] */
3704 e_star /* asterisk */
3705} howlen_t;
3706
f337b084 3707typedef struct tempsym {
49704364
WL		 3708 char* patptr; /* current template char */
3709 char* patend; /* one after last char */
3710 char* grpbeg; /* 1st char of ()-group */
3711 char* grpend; /* end of ()-group */
66c611c5 3712 I32 code; /* template code (!<>) */
49704364
WL		 3713 I32 length; /* length/repeat count */
3714 howlen_t howlen; /* how length is given */
3715 int level; /* () nesting level */
3716 U32 flags; /* /=4, comma=2, pack=1 */
66c611c5 3717 /* and group modifiers */
f337b084
TH		 3718 STRLEN strbeg; /* offset of group start */
3719 struct tempsym *previous; /* previous group */
49704364
WL		 3720} tempsym_t;
3721
22239a37 3722#include "thread.h"
79072805 3723#include "pp.h"
864dbfa3
GS		 3724
3725#ifndef PERL_CALLCONV
3726# define PERL_CALLCONV
d460ef45 3727#endif
864dbfa3 3728
65f19062
GS		 3729#ifndef NEXT30_NO_ATTRIBUTE
3730# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3731# ifdef __attribute__ /* Avoid possible redefinition errors */
3732# undef __attribute__
3733# endif
3734# define __attribute__(attr)
3735# endif
3736#endif
3737
0cb96387
GS		 3738#undef PERL_CKDEF
3739#undef PERL_PPDEF
3740#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3741#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3742
7766f137 3743#include "proto.h"
864dbfa3 3744
0cb96387 3745/* this has structure inits, so it cannot be included before here */
acfe0abc 3746#include "opcode.h"
864dbfa3 3747
d4cce5f1
NIS		 3748/* The following must follow proto.h as #defines mess up syntax */
3749
22c35a8c
GS		 3750#if !defined(PERL_FOR_X2P)
3751# include "embedvar.h"
3752#endif
d4cce5f1 3753
d460ef45 3754/* Now include all the 'global' variables
d4cce5f1 3755 * If we don't have threads or multiple interpreters
d460ef45 3756 * these include variables that would have been their struct-s
d4cce5f1 3757 */
d460ef45 3758
533c011a 3759#define PERLVAR(var,type) EXT type PL_##var;
51371543 3760#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3761#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3762#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3763
acfe0abc 3764#if !defined(MULTIPLICITY)
7766f137 3765START_EXTERN_C
066ef5b5 3766# include "intrpvar.h"
3db8f154 3767# include "thrdvar.h"
7766f137 3768END_EXTERN_C
22239a37
NIS		 3769#endif
3770
acfe0abc 3771#if defined(WIN32)
66a93824 3772/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3773# include "embed.h"
acfe0abc 3774#endif
22239a37 3775
c5be433b
GS		 3776#ifndef PERL_GLOBAL_STRUCT
3777START_EXTERN_C
3778
3779# include "perlvars.h"
3780
3781END_EXTERN_C
3782#endif
3783
d4cce5f1 3784#undef PERLVAR
51371543 3785#undef PERLVARA
d4cce5f1 3786#undef PERLVARI
0f3f18a6 3787#undef PERLVARIC
79072805 3788
73c4f7a1
GS		 3789START_EXTERN_C
3790
79072805 3791#ifdef DOINIT
9ba75e3c 3792# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXT MGVTBL var = {a,b,c,d,e,f,g}