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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
b5f8cc5c 4 * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
026fd48b
GH		 68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
10bc17b6
JH		 74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 77# define USE_REENTRANT_API
78#endif
79
ac6bedea
JH		 80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
af28e889 82/*
6239f2da
JH		 83 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
84 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 85 * __bsdi__ for BSD/OS
86 */
6239f2da 87#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 88# ifndef BSDish
89# define BSDish
90# endif
91#endif
92
c5be433b 93#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 94# ifndef MULTIPLICITY
95# define MULTIPLICITY
c5be433b 96# endif
3db8f154
MB		 97# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
98# define aTHX my_perl
99# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 100# define dTHX pTHX = PERL_GET_THX
c5be433b 101# define pTHX_ pTHX,
c5be433b 102# define aTHX_ aTHX,
894356b3
GS		 103# define pTHX_1 2
104# define pTHX_2 3
105# define pTHX_3 4
106# define pTHX_4 5
c5be433b
GS		 107#endif
108
76e3520e
GS		 109#define STATIC static
110#define CPERLscope(x) x
565764a8 111#define CPERLarg void
76e3520e 112#define CPERLarg_
e3b8966e 113#define _CPERLarg
1d583055
GS		 114#define PERL_OBJECT_THIS
115#define _PERL_OBJECT_THIS
116#define PERL_OBJECT_THIS_
312caa8e 117#define CALL_FPTR(fptr) (*fptr)
76e3520e 118
312caa8e
CS		 119#define CALLRUNOPS CALL_FPTR(PL_runops)
120#define CALLREGCOMP CALL_FPTR(PL_regcompp)
121#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 122#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
123#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
124#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 125
126#ifdef PERL_FLEXIBLE_EXCEPTIONS
127# define CALLPROTECT CALL_FPTR(PL_protect)
128#endif
312caa8e 129
44dbb695 130#ifdef HASATTRIBUTE
94b00aa4 131# if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
3da75212
MB		 132# define PERL_UNUSED_DECL
133# else
134# define PERL_UNUSED_DECL __attribute__((unused))
135# endif
44dbb695
JH		 136#else
137# define PERL_UNUSED_DECL
138#endif
139
349b520e
DM		 140/* gcc -Wall:
141 * for silencing unused variables that are actually used most of the time,
142 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
143 */
144#define PERL_UNUSED_VAR(var) if (0) var = var
145
0cb96387 146#define NOOP (void)0
44dbb695 147#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 148
0cb96387
GS		 149#ifndef pTHX
150# define pTHX void
151# define pTHX_
0cb96387
GS		 152# define aTHX
153# define aTHX_
0cb96387
GS		 154# define dTHXa(a) dNOOP
155# define dTHX dNOOP
894356b3
GS		 156# define pTHX_1 1
157# define pTHX_2 2
158# define pTHX_3 3
159# define pTHX_4 4
0cb96387
GS		 160#endif
161
b4f7f263
GS		 162/* these are only defined for compatibility; should not be used internally */
163#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 164# define pTHXo pTHX
165# define pTHXo_ pTHX_
0cb96387
GS		 166# define aTHXo aTHX
167# define aTHXo_ aTHX_
c5be433b 168# define dTHXo dTHX
71d280e3 169# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 170#endif
171
172#ifndef pTHXx
173# define pTHXx register PerlInterpreter *my_perl
174# define pTHXx_ pTHXx,
0cb96387
GS		 175# define aTHXx my_perl
176# define aTHXx_ aTHXx,
c5be433b 177# define dTHXx dTHX
22c35a8c 178#endif
71be2cbc 179
1de7c2ac
GS		 180/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
181 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
182 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
183#ifdef PERL_IMPLICIT_SYS
184# define dTHXs dTHX
185#else
186# define dTHXs dNOOP
187#endif
188
326b05e3
GS		 189#undef START_EXTERN_C
190#undef END_EXTERN_C
191#undef EXTERN_C
32f822de
GS		 192#ifdef __cplusplus
193# define START_EXTERN_C extern "C" {
194# define END_EXTERN_C }
195# define EXTERN_C extern "C"
196#else
d460ef45
NIS		 197# define START_EXTERN_C
198# define END_EXTERN_C
73c4f7a1 199# define EXTERN_C extern
32f822de
GS		 200#endif
201
462e5cf6
MB		 202#ifdef OP_IN_REGISTER
203# ifdef __GNUC__
204# define stringify_immed(s) #s
205# define stringify(s) stringify_immed(s)
d1ca3daa 206register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 207# endif
208#endif
209
5dc8bdac
JH		 210#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
211# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
212#endif
213
728e2803 214/*
215 * STMT_START { statements; } STMT_END;
216 * can be used as a single statement, as in
217 * if (x) STMT_START { ... } STMT_END; else ...
218 *
219 * Trying to select a version that gives no warnings...
220 */
221#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 222# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 223# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
224# define STMT_END )
225# else
226 /* Now which other defined()s do we need here ??? */
93189314 227# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 228# define STMT_START if (1)
229# define STMT_END else (void)0
230# else
231# define STMT_START do
232# define STMT_END while (0)
233# endif
234# endif
235#endif
236
0cb96387 237#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 238#define WITH_THR(s) WITH_THX(s)
ea0efc06 239
55497cff 240/*
241 * SOFT_CAST can be used for args to prototyped functions to retain some
242 * type checking; it only casts if the compiler does not know prototypes.
243 */
244#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
245#define SOFT_CAST(type)
246#else
247#define SOFT_CAST(type) (type)
248#endif
79072805 249
d6f9c181
JH		 250#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
251# define BYTEORDER 0x1234
79072805
LW		 252#endif
253
254/* Overall memory policy? */
255#ifndef CONSERVATIVE
256# define LIBERAL 1
257#endif
258
8ada0baa
JH		 259#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
260#define ASCIIish
261#else
262#undef ASCIIish
263#endif
264
79072805
LW		 265/*
266 * The following contortions are brought to you on behalf of all the
267 * standards, semi-standards, de facto standards, not-so-de-facto standards
268 * of the world, as well as all the other botches anyone ever thought of.
269 * The basic theory is that if we work hard enough here, the rest of the
270 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
271 */
ac58e20f 272
ee0007ab 273/* define this once if either system, instead of cluttering up the src */
2986a63f 274#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 275#define DOSISH 1
276#endif
277
2986a63f 278#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 279# define STANDARD_C 1
280#endif
281
a03dbf46 282#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 283# define DONT_DECLARE_STD 1
284#endif
285
352d5a3a 286#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 287# ifdef __cplusplus
cb69f87a 288# define VOL /* to temporarily suppress warnings */
79072805
LW		 289# else
290# define VOL volatile
291# endif
663a0e37 292#else
79072805 293# define VOL
663a0e37
LW		 294#endif
295
3280af22
NIS		 296#define TAINT (PL_tainted = TRUE)
297#define TAINT_NOT (PL_tainted = FALSE)
298#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
299#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 300#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 301
d460ef45 302/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 303 defines move there? If so, I could simplify this a lot. --AD 9/96.
304*/
305/* Process group stuff changed from traditional BSD to POSIX.
306 perlfunc.pod documents the traditional BSD-style syntax, so we'll
307 try to preserve that, if possible.
308*/
309#ifdef HAS_SETPGID
310# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 311#else
a6e633de 312# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
313# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
314# else
315# ifdef HAS_SETPGRP2 /* DG/UX */
316# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
317# endif
318# endif
319#endif
320#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
321# define HAS_SETPGRP /* Well, effectively it does . . . */
322#endif
323
324/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
325 our life easier :-) so we'll try it.
326*/
327#ifdef HAS_GETPGID
328# define BSD_GETPGRP(pid) getpgid((pid))
329#else
330# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
331# define BSD_GETPGRP(pid) getpgrp((pid))
332# else
333# ifdef HAS_GETPGRP2 /* DG/UX */
334# define BSD_GETPGRP(pid) getpgrp2((pid))
335# endif
336# endif
337#endif
338#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
339# define HAS_GETPGRP /* Well, effectively it does . . . */
340#endif
341
d460ef45 342/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 343 have different behaviors, but perl.h used to define USE_BSDPGRP
344 (prior to 5.003_05) so some extension might depend on it.
345*/
346#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
347# ifndef USE_BSDPGRP
348# define USE_BSDPGRP
349# endif
663a0e37
LW		 350#endif
351
8ac5a1fe
MH		 352/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
353 pthread.h must be included before all other header files.
354*/
3db8f154 355#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 356# include <pthread.h>
357#endif
358
760ac839
LW		 359#ifndef _TYPES_ /* If types.h defines this it's easy. */
360# ifndef major /* Does everyone's types.h define this? */
361# include <sys/types.h>
c07a80fd 362# endif
663a0e37
LW		 363#endif
364
760ac839
LW		 365#ifdef __cplusplus
366# ifndef I_STDARG
367# define I_STDARG 1
368# endif
369#endif
370
371#ifdef I_STDARG
372# include <stdarg.h>
373#else
374# ifdef I_VARARGS
375# include <varargs.h>
376# endif
377#endif
378
4633a7c4 379#ifdef USE_NEXT_CTYPE
0c30d9ec 380
092bebab
JH		 381#if NX_CURRENT_COMPILER_RELEASE >= 500
382# include <bsd/ctypes.h>
383#else
384# if NX_CURRENT_COMPILER_RELEASE >= 400
385# include <objc/NXCType.h>
386# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
387# include <appkit/NXCType.h>
388# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
389#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 390
391#else /* !USE_NEXT_CTYPE */
fe14fcc3 392#include <ctype.h>
0c30d9ec 393#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 394
395#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
396#undef METHOD
a0d0e21e
LW		 397#endif
398
12ae5dfc
JH		 399#ifdef PERL_MICRO
400# define NO_LOCALE
401#endif
402
4633a7c4 403#ifdef I_LOCALE
36477c24 404# include <locale.h>
4633a7c4
LW		 405#endif
406
36477c24 407#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
408# define USE_LOCALE
409# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
410 && defined(HAS_STRXFRM)
411# define USE_LOCALE_COLLATE
412# endif
413# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
414# define USE_LOCALE_CTYPE
415# endif
416# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
417# define USE_LOCALE_NUMERIC
418# endif
419#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 420
fe14fcc3 421#include <setjmp.h>
79072805 422
a0d0e21e 423#ifdef I_SYS_PARAM
79072805
LW		 424# ifdef PARAM_NEEDS_TYPES
425# include <sys/types.h>
426# endif
427# include <sys/param.h>
352d5a3a 428#endif
79072805 429
79072805 430/* Use all the "standard" definitions? */
a0d0e21e 431#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 432# include <stdlib.h>
ff68c719 433#endif
03a14243 434
3f270f98
JH		 435/* If this causes problems, set i_unistd=undef in the hint file. */
436#ifdef I_UNISTD
437# include <unistd.h>
438#endif
439
7114a2d2 440#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 441int syscall(int, ...);
442#endif
443
7114a2d2 444#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 445int usleep(unsigned int);
2ef53570
JH		 446#endif
447
9a34ef1d
GS		 448#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
449# define MYSWAP
450#endif
451
1109a392
MHM		 452#ifdef PERL_CORE
453
454/* macros for correct constant construction */
455# if INTSIZE >= 2
456# define U16_CONST(x) ((U16)x##U)
457# else
458# define U16_CONST(x) ((U16)x##UL)
459# endif
460
461# if INTSIZE >= 4
462# define U32_CONST(x) ((U32)x##U)
463# else
464# define U32_CONST(x) ((U32)x##UL)
465# endif
466
467# ifdef HAS_QUAD
468# if INTSIZE >= 8
469# define U64_CONST(x) ((U64)x##U)
470# elif LONGSIZE >= 8
471# define U64_CONST(x) ((U64)x##UL)
472# elif QUADKIND == QUAD_IS_LONG_LONG
473# define U64_CONST(x) ((U64)x##ULL)
474# else /* best guess we can make */
475# define U64_CONST(x) ((U64)x##UL)
476# endif
477# endif
478
479/* byte-swapping functions for big-/little-endian conversion */
480# define _swab_16_(x) ((U16)( \
481 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
482 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
483
484# define _swab_32_(x) ((U32)( \
485 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
486 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
487 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
488 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
489
490# ifdef HAS_QUAD
491# define _swab_64_(x) ((U64)( \
492 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
493 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
494 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
495 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
496 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
497 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
498 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
499 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
500# endif
501
502/*----------------------------------------------------------------------------*/
503# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
504/*----------------------------------------------------------------------------*/
505# define my_htole16(x) (x)
506# define my_letoh16(x) (x)
507# define my_htole32(x) (x)
508# define my_letoh32(x) (x)
509# define my_htobe16(x) _swab_16_(x)
510# define my_betoh16(x) _swab_16_(x)
511# define my_htobe32(x) _swab_32_(x)
512# define my_betoh32(x) _swab_32_(x)
513# ifdef HAS_QUAD
514# define my_htole64(x) (x)
515# define my_letoh64(x) (x)
516# define my_htobe64(x) _swab_64_(x)
517# define my_betoh64(x) _swab_64_(x)
518# endif
519# define my_htoles(x) (x)
520# define my_letohs(x) (x)
521# define my_htolei(x) (x)
522# define my_letohi(x) (x)
523# define my_htolel(x) (x)
524# define my_letohl(x) (x)
525# if SHORTSIZE == 1
526# define my_htobes(x) (x)
527# define my_betohs(x) (x)
528# elif SHORTSIZE == 2
529# define my_htobes(x) _swab_16_(x)
530# define my_betohs(x) _swab_16_(x)
531# elif SHORTSIZE == 4
532# define my_htobes(x) _swab_32_(x)
533# define my_betohs(x) _swab_32_(x)
534# elif SHORTSIZE == 8
535# define my_htobes(x) _swab_64_(x)
536# define my_betohs(x) _swab_64_(x)
537# else
538# define PERL_NEED_MY_HTOBES
539# define PERL_NEED_MY_BETOHS
540# endif
541# if INTSIZE == 1
542# define my_htobei(x) (x)
543# define my_betohi(x) (x)
544# elif INTSIZE == 2
545# define my_htobei(x) _swab_16_(x)
546# define my_betohi(x) _swab_16_(x)
547# elif INTSIZE == 4
548# define my_htobei(x) _swab_32_(x)
549# define my_betohi(x) _swab_32_(x)
550# elif INTSIZE == 8
551# define my_htobei(x) _swab_64_(x)
552# define my_betohi(x) _swab_64_(x)
553# else
554# define PERL_NEED_MY_HTOBEI
555# define PERL_NEED_MY_BETOHI
556# endif
557# if LONGSIZE == 1
558# define my_htobel(x) (x)
559# define my_betohl(x) (x)
560# elif LONGSIZE == 2
561# define my_htobel(x) _swab_16_(x)
562# define my_betohl(x) _swab_16_(x)
563# elif LONGSIZE == 4
564# define my_htobel(x) _swab_32_(x)
565# define my_betohl(x) _swab_32_(x)
566# elif LONGSIZE == 8
567# define my_htobel(x) _swab_64_(x)
568# define my_betohl(x) _swab_64_(x)
569# else
570# define PERL_NEED_MY_HTOBEL
571# define PERL_NEED_MY_BETOHL
572# endif
573# define my_htolen(p,n) NOOP
574# define my_letohn(p,n) NOOP
575# define my_htoben(p,n) my_swabn(p,n)
576# define my_betohn(p,n) my_swabn(p,n)
577/*----------------------------------------------------------------------------*/
578# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
579/*----------------------------------------------------------------------------*/
580# define my_htobe16(x) (x)
581# define my_betoh16(x) (x)
582# define my_htobe32(x) (x)
583# define my_betoh32(x) (x)
584# define my_htole16(x) _swab_16_(x)
585# define my_letoh16(x) _swab_16_(x)
586# define my_htole32(x) _swab_32_(x)
587# define my_letoh32(x) _swab_32_(x)
588# ifdef HAS_QUAD
589# define my_htobe64(x) (x)
590# define my_betoh64(x) (x)
591# define my_htole64(x) _swab_64_(x)
592# define my_letoh64(x) _swab_64_(x)
593# endif
594# define my_htobes(x) (x)
595# define my_betohs(x) (x)
596# define my_htobei(x) (x)
597# define my_betohi(x) (x)
598# define my_htobel(x) (x)
599# define my_betohl(x) (x)
600# if SHORTSIZE == 1
601# define my_htoles(x) (x)
602# define my_letohs(x) (x)
603# elif SHORTSIZE == 2
604# define my_htoles(x) _swab_16_(x)
605# define my_letohs(x) _swab_16_(x)
606# elif SHORTSIZE == 4
607# define my_htoles(x) _swab_32_(x)
608# define my_letohs(x) _swab_32_(x)
609# elif SHORTSIZE == 8
610# define my_htoles(x) _swab_64_(x)
611# define my_letohs(x) _swab_64_(x)
612# else
613# define PERL_NEED_MY_HTOLES
614# define PERL_NEED_MY_LETOHS
615# endif
616# if INTSIZE == 1
617# define my_htolei(x) (x)
618# define my_letohi(x) (x)
619# elif INTSIZE == 2
620# define my_htolei(x) _swab_16_(x)
621# define my_letohi(x) _swab_16_(x)
622# elif INTSIZE == 4
623# define my_htolei(x) _swab_32_(x)
624# define my_letohi(x) _swab_32_(x)
625# elif INTSIZE == 8
626# define my_htolei(x) _swab_64_(x)
627# define my_letohi(x) _swab_64_(x)
628# else
629# define PERL_NEED_MY_HTOLEI
630# define PERL_NEED_MY_LETOHI
631# endif
632# if LONGSIZE == 1
633# define my_htolel(x) (x)
634# define my_letohl(x) (x)
635# elif LONGSIZE == 2
636# define my_htolel(x) _swab_16_(x)
637# define my_letohl(x) _swab_16_(x)
638# elif LONGSIZE == 4
639# define my_htolel(x) _swab_32_(x)
640# define my_letohl(x) _swab_32_(x)
641# elif LONGSIZE == 8
642# define my_htolel(x) _swab_64_(x)
643# define my_letohl(x) _swab_64_(x)
644# else
645# define PERL_NEED_MY_HTOLEL
646# define PERL_NEED_MY_LETOHL
647# endif
648# define my_htolen(p,n) my_swabn(p,n)
649# define my_letohn(p,n) my_swabn(p,n)
650# define my_htoben(p,n) NOOP
651# define my_betohn(p,n) NOOP
652/*----------------------------------------------------------------------------*/
653# else /* all other byte-orders */
654/*----------------------------------------------------------------------------*/
655# define PERL_NEED_MY_HTOLE16
656# define PERL_NEED_MY_LETOH16
657# define PERL_NEED_MY_HTOBE16
658# define PERL_NEED_MY_BETOH16
659# define PERL_NEED_MY_HTOLE32
660# define PERL_NEED_MY_LETOH32
661# define PERL_NEED_MY_HTOBE32
662# define PERL_NEED_MY_BETOH32
663# ifdef HAS_QUAD
664# define PERL_NEED_MY_HTOLE64
665# define PERL_NEED_MY_LETOH64
666# define PERL_NEED_MY_HTOBE64
667# define PERL_NEED_MY_BETOH64
668# endif
669# define PERL_NEED_MY_HTOLES
670# define PERL_NEED_MY_LETOHS
671# define PERL_NEED_MY_HTOBES
672# define PERL_NEED_MY_BETOHS
673# define PERL_NEED_MY_HTOLEI
674# define PERL_NEED_MY_LETOHI
675# define PERL_NEED_MY_HTOBEI
676# define PERL_NEED_MY_BETOHI
677# define PERL_NEED_MY_HTOLEL
678# define PERL_NEED_MY_LETOHL
679# define PERL_NEED_MY_HTOBEL
680# define PERL_NEED_MY_BETOHL
681/*----------------------------------------------------------------------------*/
682# endif /* end of byte-order macros */
683/*----------------------------------------------------------------------------*/
684
685#endif /* PERL_CORE */
686
66a93824
NIS		 687/* Cannot include embed.h here on Win32 as win32.h has not
688 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
689 */
96e176bf 690#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 691# include "embed.h"
692#endif
693
c31fac66
GS		 694#define MEM_SIZE Size_t
695
51371543
GS		 696#if defined(STANDARD_C) && defined(I_STDDEF)
697# include <stddef.h>
698# define STRUCT_OFFSET(s,m) offsetof(s,m)
699#else
700# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
701#endif
702
703#if defined(I_STRING) || defined(__cplusplus)
704# include <string.h>
705#else
706# include <strings.h>
707#endif
708
55497cff 709/* This comes after <stdlib.h> so we don't try to change the standard
710 * library prototypes; we'll use our own in proto.h instead. */
03a14243 711
4633a7c4 712#ifdef MYMALLOC
86058a2d 713# ifdef PERL_POLLUTE_MALLOC
ee13e175 714# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 715# define Perl_malloc malloc
716# define Perl_calloc calloc
717# define Perl_realloc realloc
718# define Perl_mfree free
ee13e175 719# endif
86058a2d
GS		 720# else
721# define EMBEDMYMALLOC /* for compatibility */
722# endif
827e134a 723
651b9576
GS		 724# define safemalloc Perl_malloc
725# define safecalloc Perl_calloc
726# define saferealloc Perl_realloc
727# define safefree Perl_mfree
22f7c9c9
JH		 728# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
729 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
730 code; \
731 } STMT_END
732# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
733 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
734# define panic_write2(s) write(2, s, strlen(s))
735# define CHECK_MALLOC_TAINT(newval) \
736 CHECK_MALLOC_TOO_LATE_FOR_( \
737 if (newval) { \
738 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
739 exit(1); })
22f7c9c9 740# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 741 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 742 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
743 }} STMT_END;
f2517201
GS		 744#else /* MYMALLOC */
745# define safemalloc safesysmalloc
746# define safecalloc safesyscalloc
747# define saferealloc safesysrealloc
748# define safefree safesysfree
22f7c9c9
JH		 749# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
750# define CHECK_MALLOC_TAINT(newval) ((void)0)
751# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 752#endif /* MYMALLOC */
4633a7c4 753
baa9ab13 754#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		 755#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
756#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
757#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
758
a0d0e21e
LW		 759#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
760#define strchr index
761#define strrchr rindex
762#endif
763
16d20bd9
AD		 764#ifdef I_MEMORY
765# include <memory.h>
766#endif
767
fe14fcc3 768#ifdef HAS_MEMCPY
85e6fe83 769# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 770# ifndef memcpy
20ce7b12 771 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 772# endif
773# endif
774#else
775# ifndef memcpy
776# ifdef HAS_BCOPY
777# define memcpy(d,s,l) bcopy(s,d,l)
778# else
779# define memcpy(d,s,l) my_bcopy(s,d,l)
780# endif
781# endif
782#endif /* HAS_MEMCPY */
fe14fcc3 783
ee0007ab 784#ifdef HAS_MEMSET
85e6fe83 785# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 786# ifndef memset
20ce7b12 787 extern char *memset (char*, int, int);
ee0007ab
LW		 788# endif
789# endif
ee0007ab 790#else
12ae5dfc 791# undef memset
fc36a67e 792# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 793#endif /* HAS_MEMSET */
794
85e6fe83 795#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 796# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 797# define memmove(d,s,l) bcopy(s,d,l)
798# else
2304df62 799# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 800# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 801# else
79072805 802# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 803# endif
352d5a3a 804# endif
d9d8d8de 805#endif
ee0007ab 806
36477c24 807#if defined(mips) && defined(ultrix) && !defined(__STDC__)
808# undef HAS_MEMCMP
809#endif
810
811#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 812# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 813# ifndef memcmp
20ce7b12 814 extern int memcmp (char*, char*, int);
ee0007ab
LW		 815# endif
816# endif
36477c24 817# ifdef BUGGY_MSC
7e4e8c89 818# pragma function(memcmp)
36477c24 819# endif
ee0007ab
LW		 820#else
821# ifndef memcmp
ecfc5424 822# define memcmp my_memcmp
352d5a3a 823# endif
36477c24 824#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 825
fc36a67e 826#ifndef memzero
c635e13b 827# ifdef HAS_MEMSET
828# define memzero(d,l) memset(d,0,l)
79072805 829# else
c635e13b 830# ifdef HAS_BZERO
831# define memzero(d,l) bzero(d,l)
79072805 832# else
fc36a67e 833# define memzero(d,l) my_bzero(d,l)
79072805
LW		 834# endif
835# endif
d9d8d8de 836#endif
378cc40b 837
2f42fcb0 838#ifndef PERL_MICRO
0f27ced1
JH		 839#ifndef memchr
840# ifndef HAS_MEMCHR
841# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
842# endif
843#endif
2f42fcb0 844#endif
0f27ced1 845
36477c24 846#ifndef HAS_BCMP
847# ifndef bcmp
848# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 849# endif
36477c24 850#endif /* !HAS_BCMP */
378cc40b 851
ae986130 852#ifdef I_NETINET_IN
79072805 853# include <netinet/in.h>
ae986130
LW		 854#endif
855
28e8609d
JH		 856#ifdef I_ARPA_INET
857# include <arpa/inet.h>
858#endif
859
84902520
TB		 860#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
861/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
862 * (the neo-BSD seem to do this). */
863# undef SF_APPEND
864#endif
865
1aef975c 866#ifdef I_SYS_STAT
84902520 867# include <sys/stat.h>
1aef975c 868#endif
79072805 869
a0d0e21e
LW		 870/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
871 like UTekV) are broken, sometimes giving false positives. Undefine
872 them here and let the code below set them to proper values.
873
874 The ghs macro stands for GreenHills Software C-1.8.5 which
875 is the C compiler for sysV88 and the various derivatives.
876 This header file bug is corrected in gcc-2.5.8 and later versions.
877 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
878
879#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 880# undef S_ISDIR
881# undef S_ISCHR
882# undef S_ISBLK
883# undef S_ISREG
884# undef S_ISFIFO
885# undef S_ISLNK
ee0007ab 886#endif
135863df 887
663a0e37
LW		 888#ifdef I_TIME
889# include <time.h>
ffed7fef 890#endif
663a0e37 891
fe14fcc3 892#ifdef I_SYS_TIME
85e6fe83 893# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 894# define KERNEL
895# endif
896# include <sys/time.h>
85e6fe83 897# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 898# undef KERNEL
899# endif
a687059c 900#endif
135863df 901
55497cff 902#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 903# include <sys/times.h>
d9d8d8de 904#endif
8d063cd8 905
fe14fcc3 906#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 907# undef HAS_STRERROR
663a0e37
LW		 908#endif
909
910#include <errno.h>
1e743fda 911
acfe0abc 912#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 913# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
914#endif
915
8cfab5ff
JH		 916/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
917 * This is important for using IPv6.
918 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
919 * a bad idea since it breaks send() and recv(). */
920#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
921# define _SOCKADDR_LEN
922#endif
923
8d3f517a 924#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 925# include <sys/socket.h>
926# if defined(USE_SOCKS) && defined(I_SOCKS)
927# if !defined(INCLUDE_PROTOTYPES)
928# define INCLUDE_PROTOTYPES /* for <socks.h> */
929# define PERL_SOCKS_NEED_PROTOTYPES
930# endif
931# include <socks.h>
932# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
933# undef INCLUDE_PROTOTYPES
934# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 935# endif
d460ef45 936# endif
1e743fda 937# ifdef I_NETDB
2986a63f
JH		 938# ifdef NETWARE
939# include<stdio.h>
940# endif
1e743fda
JH		 941# include <netdb.h>
942# endif
943# ifndef ENOTSOCK
944# ifdef I_NET_ERRNO
945# include <net/errno.h>
946# endif
947# endif
948#endif
949
fa0a29af 950/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 951 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
952 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 953#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 954# if defined(__THROW) && defined(__GLIBC__)
955int sockatmark(int) __THROW;
956# else
2ef53570 957int sockatmark(int);
29820b6d 958# endif
2ef53570
JH		 959#endif
960
1e743fda
JH		 961#ifdef SETERRNO
962# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 963#endif
f86702cc 964
965#ifdef VMS
966# define SETERRNO(errcode,vmserrcode) \
967 STMT_START { \
968 set_errno(errcode); \
969 set_vaxc_errno(vmserrcode); \
970 } STMT_END
93189314
JH		 971# define LIB_INVARG LIB$_INVARG
972# define RMS_DIR RMS$_DIR
973# define RMS_FAC RMS$_FAC
974# define RMS_FEX RMS$_FEX
975# define RMS_FNF RMS$_FNF
976# define RMS_IFI RMS$_IFI
977# define RMS_ISI RMS$_ISI
978# define RMS_PRV RMS$_PRV
979# define SS_ACCVIO SS$_ACCVIO
980# define SS_DEVOFFLINE SS$_DEVOFFLINE
981# define SS_IVCHAN SS$_IVCHAN
982# define SS_NORMAL SS$_NORMAL
748a9306 983#else
aba27d88 984# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 985# define LIB_INVARG 0
986# define RMS_DIR 0
987# define RMS_FAC 0
988# define RMS_FEX 0
989# define RMS_FNF 0
990# define RMS_IFI 0
991# define RMS_ISI 0
992# define RMS_PRV 0
993# define SS_ACCVIO 0
994# define SS_DEVOFFLINE 0
995# define SS_IVCHAN 0
996# define SS_NORMAL 0
748a9306 997#endif
ed6116ce 998
3db8f154
MB		 999#define ERRSV GvSV(PL_errgv)
1000#define DEFSV GvSV(PL_defgv)
1001#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1002
98eae8f5
GS		 1003#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1004
55497cff 1005#ifndef errno
5ff3f7a4
GS		 1006 extern int errno; /* ANSI allows errno to be an lvalue expr.
1007 * For example in multithreaded environments
1008 * something like this might happen:
1009 * extern int *_errno(void);
1010 * #define errno (*_errno()) */
d9d8d8de 1011#endif
663a0e37 1012
2304df62 1013#ifdef HAS_STRERROR
a0d0e21e 1014# ifdef VMS
20ce7b12 1015 char *strerror (int,...);
a0d0e21e 1016# else
68dc0745 1017#ifndef DONT_DECLARE_STD
20ce7b12 1018 char *strerror (int);
68dc0745 1019#endif
a0d0e21e 1020# endif
2304df62
AD		 1021# ifndef Strerror
1022# define Strerror strerror
1023# endif
1024#else
1025# ifdef HAS_SYS_ERRLIST
79072805
LW		 1026 extern int sys_nerr;
1027 extern char *sys_errlist[];
2304df62
AD		 1028# ifndef Strerror
1029# define Strerror(e) \
79072805 1030 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1031# endif
79072805 1032# endif
35c8bce7 1033#endif
663a0e37 1034
2304df62 1035#ifdef I_SYS_IOCTL
79072805
LW		 1036# ifndef _IOCTL_
1037# include <sys/ioctl.h>
1038# endif
a687059c
LW		 1039#endif
1040
ee0007ab 1041#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1042# ifdef HAS_SOCKETPAIR
1043# undef HAS_SOCKETPAIR
1044# endif
2304df62
AD		 1045# ifdef I_NDBM
1046# undef I_NDBM
79072805 1047# endif
a687059c
LW		 1048#endif
1049
02fc2eee
NC		 1050#ifndef HAS_SOCKETPAIR
1051# ifdef HAS_SOCKET
1052# define socketpair Perl_my_socketpair
1053# endif
1054#endif
1055
a687059c 1056#if INTSIZE == 2
79072805
LW		 1057# define htoni htons
1058# define ntohi ntohs
a687059c 1059#else
79072805
LW		 1060# define htoni htonl
1061# define ntohi ntohl
a687059c
LW		 1062#endif
1063
a0d0e21e 1064/* Configure already sets Direntry_t */
35c8bce7 1065#if defined(I_DIRENT)
663a0e37 1066# include <dirent.h>
8f1f23e8
W		 1067 /* NeXT needs dirent + sys/dir.h */
1068# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1069# include <sys/dir.h>
1070# endif
ae986130 1071#else
fe14fcc3 1072# ifdef I_SYS_NDIR
79a0689e 1073# include <sys/ndir.h>
663a0e37 1074# else
fe14fcc3 1075# ifdef I_SYS_DIR
79a0689e
LW		 1076# ifdef hp9000s500
1077# include <ndir.h> /* may be wrong in the future */
1078# else
1079# include <sys/dir.h>
1080# endif
663a0e37
LW		 1081# endif
1082# endif
4633a7c4 1083#endif
a687059c 1084
12ae5dfc
JH		 1085#ifdef PERL_MICRO
1086# ifndef DIR
1087# define DIR void
1088# endif
1089#endif
1090
352d5a3a
LW		 1091#ifdef FPUTS_BOTCH
1092/* work around botch in SunOS 4.0.1 and 4.0.2 */
1093# ifndef fputs
79072805 1094# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1095# endif
1096#endif
1097
c623bd54
LW		 1098/*
1099 * The following gobbledygook brought to you on behalf of __STDC__.
1100 * (I could just use #ifndef __STDC__, but this is more bulletproof
1101 * in the face of half-implementations.)
1102 */
1103
7114a2d2 1104#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1105#include <sys/mode.h>
1106#endif
1107
c623bd54
LW		 1108#ifndef S_IFMT
1109# ifdef _S_IFMT
1110# define S_IFMT _S_IFMT
1111# else
1112# define S_IFMT 0170000
1113# endif
1114#endif
1115
1116#ifndef S_ISDIR
1117# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1118#endif
1119
1120#ifndef S_ISCHR
1121# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1122#endif
1123
1124#ifndef S_ISBLK
fe14fcc3
LW		 1125# ifdef S_IFBLK
1126# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1127# else
1128# define S_ISBLK(m) (0)
1129# endif
c623bd54
LW		 1130#endif
1131
1132#ifndef S_ISREG
1133# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1134#endif
1135
1136#ifndef S_ISFIFO
fe14fcc3
LW		 1137# ifdef S_IFIFO
1138# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1139# else
1140# define S_ISFIFO(m) (0)
1141# endif
c623bd54
LW		 1142#endif
1143
1144#ifndef S_ISLNK
1145# ifdef _S_ISLNK
1146# define S_ISLNK(m) _S_ISLNK(m)
1147# else
1148# ifdef _S_IFLNK
1149# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1150# else
1151# ifdef S_IFLNK
1152# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1153# else
1154# define S_ISLNK(m) (0)
1155# endif
1156# endif
1157# endif
1158#endif
1159
1160#ifndef S_ISSOCK
1161# ifdef _S_ISSOCK
1162# define S_ISSOCK(m) _S_ISSOCK(m)
1163# else
1164# ifdef _S_IFSOCK
1165# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1166# else
1167# ifdef S_IFSOCK
1168# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1169# else
1170# define S_ISSOCK(m) (0)
1171# endif
1172# endif
1173# endif
1174#endif
1175
1176#ifndef S_IRUSR
1177# ifdef S_IREAD
1178# define S_IRUSR S_IREAD
1179# define S_IWUSR S_IWRITE
1180# define S_IXUSR S_IEXEC
1181# else
1182# define S_IRUSR 0400
1183# define S_IWUSR 0200
1184# define S_IXUSR 0100
1185# endif
fac7cdfc
JS		 1186#endif
1187
1188#ifndef S_IRGRP
1189# ifdef S_IRUSR
1190# define S_IRGRP (S_IRUSR>>3)
1191# define S_IWGRP (S_IWUSR>>3)
1192# define S_IXGRP (S_IXUSR>>3)
1193# else
1194# define S_IRGRP 0040
1195# define S_IWGRP 0020
1196# define S_IXGRP 0010
1197# endif
1198#endif
1199
1200#ifndef S_IROTH
1201# ifdef S_IRUSR
1202# define S_IROTH (S_IRUSR>>6)
1203# define S_IWOTH (S_IWUSR>>6)
1204# define S_IXOTH (S_IXUSR>>6)
1205# else
1206# define S_IROTH 0040
1207# define S_IWOTH 0020
1208# define S_IXOTH 0010
1209# endif
c623bd54
LW		 1210#endif
1211
1212#ifndef S_ISUID
1213# define S_ISUID 04000
1214#endif
1215
1216#ifndef S_ISGID
1217# define S_ISGID 02000
1218#endif
1219
ca6e1c26
JH		 1220#ifndef S_IRWXU
1221# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1222#endif
ca6e1c26
JH		 1223
1224#ifndef S_IRWXG
1225# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1226#endif
ca6e1c26
JH		 1227
1228#ifndef S_IRWXO
1229# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1230#endif
ca6e1c26 1231
c21fb2b8
JH		 1232/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1233 * which would get included through <sys/file.h >, but that is 3000
1234 * lines in the future. --jhi */
1235
1236#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1237# define S_IREAD S_IRUSR
1238#endif
1239
c21fb2b8 1240#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1241# define S_IWRITE S_IWUSR
1242#endif
1243
1244#ifndef S_IEXEC
1245# define S_IEXEC S_IXUSR
1246#endif
1247
79072805
LW		 1248#ifdef ff_next
1249# undef ff_next
352d5a3a
LW		 1250#endif
1251
a0d0e21e 1252#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1253# define SLOPPYDIVIDE
1254#endif
1255
748a9306
LW		 1256#ifdef UV
1257#undef UV
1258#endif
1259
c89df6bf
JH		 1260#ifdef SPRINTF_E_BUG
1261# define sprintf UTS_sprintf_wrap
1262#endif
1263
c495e728
JH		 1264/* Configure gets this right but the UTS compiler gets it wrong.
1265 -- Hal Morris <hom00@utsglobal.com> */
1266#ifdef UTS
1267# undef UVTYPE
1268# define UVTYPE unsigned
1269#endif
1270
05f13f53 1271/*
27d4fb96 1272 The IV type is supposed to be long enough to hold any integral
1273 value or a pointer.
1274 --Andy Dougherty August 1996
1275*/
1276
a22e52b9
JH		 1277typedef IVTYPE IV;
1278typedef UVTYPE UV;
8175356b 1279
10cc9d2a 1280#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1281# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1282# define IV_MAX INT64_MAX
1283# define IV_MIN INT64_MIN
1284# define UV_MAX UINT64_MAX
cae7ae48
JH		 1285# ifndef UINT64_MIN
1286# define UINT64_MIN 0
1287# endif
5ff3f7a4
GS		 1288# define UV_MIN UINT64_MIN
1289# else
1290# define IV_MAX PERL_QUAD_MAX
1291# define IV_MIN PERL_QUAD_MIN
1292# define UV_MAX PERL_UQUAD_MAX
1293# define UV_MIN PERL_UQUAD_MIN
1294# endif
cf2093f6
JH		 1295# define IV_IS_QUAD
1296# define UV_IS_QUAD
79072805 1297#else
8175356b 1298# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1299# define IV_MAX INT32_MAX
1300# define IV_MIN INT32_MIN
716026f9
DL		 1301# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1302# define UV_MAX UINT32_MAX
1303# else
1304# define UV_MAX 4294967295U
1305# endif
cae7ae48
JH		 1306# ifndef UINT32_MIN
1307# define UINT32_MIN 0
1308# endif
5ff3f7a4
GS		 1309# define UV_MIN UINT32_MIN
1310# else
1311# define IV_MAX PERL_LONG_MAX
1312# define IV_MIN PERL_LONG_MIN
1313# define UV_MAX PERL_ULONG_MAX
1314# define UV_MIN PERL_ULONG_MIN
1315# endif
8175356b 1316# if IVSIZE == 8
cf2093f6
JH		 1317# define IV_IS_QUAD
1318# define UV_IS_QUAD
de1c2614
JH		 1319# ifndef HAS_QUAD
1320# define HAS_QUAD
1321# endif
cf2093f6
JH		 1322# else
1323# undef IV_IS_QUAD
1324# undef UV_IS_QUAD
de1c2614 1325# undef HAS_QUAD
cf2093f6 1326# endif
79072805 1327#endif
d7d93a81 1328
1109a392
MHM		 1329#ifndef HAS_QUAD
1330# undef PERL_NEED_MY_HTOLE64
1331# undef PERL_NEED_MY_LETOH64
1332# undef PERL_NEED_MY_HTOBE64
1333# undef PERL_NEED_MY_BETOH64
1334#endif
1335
6cde8aec 1336#if defined(uts) || defined(UTS)
11afe549
HM		 1337# undef UV_MAX
1338# define UV_MAX (4294967295u)
20601011
JH		 1339#endif
1340
cae7ae48 1341#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1342#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1343
28e5dec8 1344#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1345#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1346#endif
1347
d460ef45 1348/*
26bb67e2
JH		 1349 * The macros INT2PTR and NUM2PTR are (despite their names)
1350 * bi-directional: they will convert int/float to or from pointers.
1351 * However the conversion to int/float are named explicitly:
1352 * PTR2IV, PTR2UV, PTR2NV.
1353 *
1354 * For int conversions we do not need two casts if pointers are
1355 * the same size as IV and UV. Otherwise we need an explicit
1356 * cast (PTRV) to avoid compiler warnings.
1357 */
56431972
RB		 1358#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1359# define PTRV UV
1360# define INT2PTR(any,d) (any)(d)
1361#else
d460ef45 1362# if PTRSIZE == LONGSIZE
56431972 1363# define PTRV unsigned long
42718184 1364# else
56431972 1365# define PTRV unsigned
42718184 1366# endif
56431972 1367# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1368#endif
56431972
RB		 1369#define NUM2PTR(any,d) (any)(PTRV)(d)
1370#define PTR2IV(p) INT2PTR(IV,p)
1371#define PTR2UV(p) INT2PTR(UV,p)
1372#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1373#if PTRSIZE == LONGSIZE
d2560b70
RB		 1374# define PTR2ul(p) (unsigned long)(p)
1375#else
1376# define PTR2ul(p) INT2PTR(unsigned long,p)
1377#endif
d460ef45 1378
65202027 1379#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1380# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1381# define LONG_DOUBLE_EQUALS_DOUBLE
1382# endif
68d4903c 1383# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1384# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1385# endif
1386#endif
1387
2d4389e4
JH		 1388#ifdef OVR_DBL_DIG
1389/* Use an overridden DBL_DIG */
1390# ifdef DBL_DIG
1391# undef DBL_DIG
1392# endif
1393# define DBL_DIG OVR_DBL_DIG
1394#else
1395/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1396 default value for printing floating point numbers in Gconvert
1397 (see config.h). (It also has other uses, such as figuring out if
1398 a given precision of printing can be done with a double instead of
1399 a long double - Allen).
2d4389e4
JH		 1400*/
1401#ifdef I_LIMITS
1402#include <limits.h>
1403#endif
1404#ifdef I_FLOAT
1405#include <float.h>
1406#endif
1407#ifndef HAS_DBL_DIG
1408#define DBL_DIG 15 /* A guess that works lots of places */
1409#endif
1410#endif
cbca01e1
JH		 1411#ifdef I_FLOAT
1412#include <float.h>
1413#endif
1414#ifndef HAS_DBL_DIG
1415#define DBL_DIG 15 /* A guess that works lots of places */
1416#endif
2d4389e4
JH		 1417
1418#ifdef OVR_LDBL_DIG
1419/* Use an overridden LDBL_DIG */
1420# ifdef LDBL_DIG
1421# undef LDBL_DIG
1422# endif
1423# define LDBL_DIG OVR_LDBL_DIG
1424#else
1425/* The following is all to get LDBL_DIG, in order to pick a nice
1426 default value for printing floating point numbers in Gconvert.
1427 (see config.h)
1428*/
68d4903c
JH		 1429# ifdef I_LIMITS
1430# include <limits.h>
1431# endif
1432# ifdef I_FLOAT
1433# include <float.h>
1434# endif
1435# ifndef HAS_LDBL_DIG
1436# if LONG_DOUBLESIZE == 10
1437# define LDBL_DIG 18 /* assume IEEE */
1438# else
1439# if LONG_DOUBLESIZE == 12
1440# define LDBL_DIG 18 /* gcc? */
1441# else
1442# if LONG_DOUBLESIZE == 16
1443# define LDBL_DIG 33 /* assume IEEE */
1444# else
1445# if LONG_DOUBLESIZE == DOUBLESIZE
1446# define LDBL_DIG DBL_DIG /* bummer */
1447# endif
1448# endif
1449# endif
1450# endif
1451# endif
2d4389e4
JH		 1452#endif
1453
20f6aaab
AS		 1454/*
1455 * This is for making sure we have a good DBL_MAX value, if possible,
1456 * either for usage as NV_MAX or for usage in figuring out if we can
1457 * fit a given long double into a double, if bug-fixing makes it
1458 * necessary to do so. - Allen <allens@cpan.org>
1459 */
1460
205f51d8
AS		 1461#ifdef I_LIMITS
1462# include <limits.h>
20f6aaab
AS		 1463#endif
1464
205f51d8
AS		 1465#ifdef I_VALUES
1466# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1467# include <values.h>
1468# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1469# define DBL_MAX MAXDOUBLE
1470# endif
1471# if defined(MINDOUBLE) && !defined(DBL_MIN)
1472# define DBL_MIN MINDOUBLE
1473# endif
1474# endif
1475#endif /* defined(I_VALUES) */
1476
a22e52b9 1477typedef NVTYPE NV;
8175356b 1478
792d8dab
JH		 1479#ifdef I_IEEEFP
1480# include <ieeefp.h>
1481#endif
923fc586 1482
65202027 1483#ifdef USE_LONG_DOUBLE
923fc586
JH		 1484# ifdef I_SUNMATH
1485# include <sunmath.h>
1486# endif
2d4389e4 1487# define NV_DIG LDBL_DIG
d6c14000
JH		 1488# ifdef LDBL_MANT_DIG
1489# define NV_MANT_DIG LDBL_MANT_DIG
1490# endif
06fc1729
JH		 1491# ifdef LDBL_MIN
1492# define NV_MIN LDBL_MIN
1493# endif
1494# ifdef LDBL_MAX
1495# define NV_MAX LDBL_MAX
1496# endif
1497# ifdef LDBL_MIN_10_EXP
1498# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1499# endif
1500# ifdef LDBL_MAX_10_EXP
1501# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1502# endif
1503# ifdef LDBL_EPSILON
1504# define NV_EPSILON LDBL_EPSILON
1505# endif
f4a14a62
JH		 1506# ifdef LDBL_MAX
1507# define NV_MAX LDBL_MAX
20f6aaab 1508/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1509# else
1510# ifdef HUGE_VALL
1511# define NV_MAX HUGE_VALL
1512# else
1513# ifdef HUGE_VAL
1514# define NV_MAX ((NV)HUGE_VAL)
1515# endif
1516# endif
1517# endif
68d4903c 1518# ifdef HAS_SQRTL
68d4903c
JH		 1519# define Perl_cos cosl
1520# define Perl_sin sinl
1521# define Perl_sqrt sqrtl
1522# define Perl_exp expl
1523# define Perl_log logl
1524# define Perl_atan2 atan2l
1525# define Perl_pow powl
1526# define Perl_floor floorl
1bbae031 1527# define Perl_ceil ceill
68d4903c
JH		 1528# define Perl_fmod fmodl
1529# endif
a3540c92
JH		 1530/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1531# ifdef HAS_MODFL
1532# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1533/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1534 prototype in <math.h> */
1535# ifndef HAS_MODFL_PROTO
1536long double modfl(long double, long double *);
1537# endif
03476e8e
JH		 1538# else
1539# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1540 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1541# define Perl_modf(x,y) Perl_my_modfl(x,y)
1542# endif
a3540c92
JH		 1543# endif
1544# ifdef HAS_FREXPL
dff3e0b8 1545# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1546# else
1547# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1548 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1549# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1550# endif
a3540c92 1551# endif
38dbb4c5 1552# ifndef Perl_isnan
758a5d79
JH		 1553# ifdef HAS_ISNANL
1554# define Perl_isnan(x) isnanl(x)
1555# endif
1556# endif
1557# ifndef Perl_isinf
1558# ifdef HAS_FINITEL
1559# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1560# endif
1561# endif
65202027 1562#else
2d4389e4 1563# define NV_DIG DBL_DIG
d6c14000
JH		 1564# ifdef DBL_MANT_DIG
1565# define NV_MANT_DIG DBL_MANT_DIG
1566# endif
06fc1729
JH		 1567# ifdef DBL_MIN
1568# define NV_MIN DBL_MIN
1569# endif
1570# ifdef DBL_MAX
1571# define NV_MAX DBL_MAX
1572# endif
1573# ifdef DBL_MIN_10_EXP
1574# define NV_MIN_10_EXP DBL_MIN_10_EXP
1575# endif
1576# ifdef DBL_MAX_10_EXP
1577# define NV_MAX_10_EXP DBL_MAX_10_EXP
1578# endif
1579# ifdef DBL_EPSILON
1580# define NV_EPSILON DBL_EPSILON
1581# endif
205f51d8 1582# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1583# define NV_MAX DBL_MAX
1584# define NV_MIN DBL_MIN
1585# else
1586# ifdef HUGE_VAL
1587# define NV_MAX HUGE_VAL
1588# endif
1589# endif
65202027
DS		 1590# define Perl_cos cos
1591# define Perl_sin sin
1592# define Perl_sqrt sqrt
1593# define Perl_exp exp
1594# define Perl_log log
1595# define Perl_atan2 atan2
1596# define Perl_pow pow
1597# define Perl_floor floor
1bbae031 1598# define Perl_ceil ceil
65202027 1599# define Perl_fmod fmod
a3540c92 1600# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1601# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1602#endif
1603
1604/* rumor has it that Win32 has _fpclass() */
1605
205f51d8
AS		 1606/* SGI has fpclassl... but not with the same result values,
1607 * and it's via a typedef (not via #define), so will need to redo Configure
1608 * to use. Not worth the trouble, IMO, at least until the below is used
1609 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1610 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1611 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1612
758a5d79
JH		 1613#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1614# ifdef I_IEEFP
1615# include <ieeefp.h>
1616# endif
1617# ifdef I_FP
1618# include <fp.h>
1619# endif
1620# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1621# define Perl_fp_class() fpclassl(x)
1622# else
1623# define Perl_fp_class() fpclass(x)
1624# endif
1625# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1626# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1627# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1628# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1629# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1630# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1631# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1632# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1633# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1634# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1635# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1636# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1637# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1638# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1639# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1640#endif
1641
7114a2d2 1642#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1643# include <math.h>
1644# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1645# include <fp_class.h>
1646# endif
1647# define Perl_fp_class(x) fp_class(x)
1648# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1649# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1650# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1651# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1652# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1653# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1654# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1655# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1656# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1657# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1658# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1659# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1660# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1661# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1662# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1663#endif
1664
1665#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1666# include <math.h>
1667# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1668# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1669# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1670# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1671# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1672# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1673#endif
1674
1675#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1676# include <math.h>
1677# ifndef _cplusplus
1678# define Perl_fp_class(x) class(x)
1679# else
1680# define Perl_fp_class(x) _class(x)
1681# endif
1682# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1683# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1684# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1685# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1686# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1687# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1688# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1689# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1690# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1691# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1692# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1693# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1694# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1695# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1696# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1697#endif
1698
1699/* rumor has it that Win32 has _isnan() */
1700
1701#ifndef Perl_isnan
a3540c92 1702# ifdef HAS_ISNAN
758a5d79
JH		 1703# define Perl_isnan(x) isnan((NV)x)
1704# else
1705# ifdef Perl_fp_class_nan
1706# define Perl_isnan(x) Perl_fp_class_nan(x)
1707# else
1708# ifdef HAS_UNORDERED
1709# define Perl_isnan(x) unordered((x), 0.0)
1710# else
1711# define Perl_isnan(x) ((x)!=(x))
1712# endif
1713# endif
1714# endif
1715#endif
1716
ca6c63e1
JH		 1717#ifdef UNDER_CE
1718int isnan(double d);
1719#endif
1720
758a5d79
JH		 1721#ifndef Perl_isinf
1722# ifdef HAS_ISINF
1723# define Perl_isinf(x) isinf((NV)x)
a3540c92 1724# else
758a5d79
JH		 1725# ifdef Perl_fp_class_inf
1726# define Perl_isinf(x) Perl_fp_class_inf(x)
1727# else
1728# define Perl_isinf(x) ((x)==NV_INF)
1729# endif
1730# endif
1731#endif
1732
1733#ifndef Perl_isfinite
1734# ifdef HAS_FINITE
1735# define Perl_isfinite(x) finite((NV)x)
1736# else
1737# ifdef HAS_ISFINITE
1738# define Perl_isfinite(x) isfinite(x)
1739# else
1740# ifdef Perl_fp_class_finite
1741# define Perl_isfinite(x) Perl_fp_class_finite(x)
1742# else
1743# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1744# endif
1745# endif
a3540c92 1746# endif
65202027
DS		 1747#endif
1748
a36244b7
JH		 1749/* The default is to use Perl's own atof() implementation (in numeric.c).
1750 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1751 * it is however best to use the native implementation of atof.
1752 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1753 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1754 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1755 * you may need to be using a different function than atof! */
a36244b7
JH		 1756
1757#ifndef USE_PERL_ATOF
1758# ifndef _UNICOS
1759# define USE_PERL_ATOF
1760# endif
1761#else
1762# if USE_PERL_ATOF == 0
1763# undef USE_PERL_ATOF
1764# endif
1765#endif
1766
1767#ifdef USE_PERL_ATOF
1768# define Perl_atof(s) Perl_my_atof(s)
1769# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1770#else
1771# define Perl_atof(s) (NV)atof(s)
1772# define Perl_atof2(s, n) ((n) = atof(s))
1773#endif
cf2093f6 1774
d460ef45 1775/* Previously these definitions used hardcoded figures.
760ac839
LW		 1776 * It is hoped these formula are more portable, although
1777 * no data one way or another is presently known to me.
1778 * The "PERL_" names are used because these calculated constants
1779 * do not meet the ANSI requirements for LONG_MAX, etc., which
1780 * need to be constants acceptable to #if - kja
1781 * define PERL_LONG_MAX 2147483647L
1782 * define PERL_LONG_MIN (-LONG_MAX - 1)
1783 * define PERL ULONG_MAX 4294967295L
1784 */
1785
1786#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1787# include <limits.h>
760ac839 1788#endif
205f51d8
AS		 1789/* Included values.h above if necessary; still including limits.h down here,
1790 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1791
99abf803 1792/*
1793 * Try to figure out max and min values for the integral types. THE CORRECT
1794 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1795 * following hacks are used if neither limits.h or values.h provide them:
1796 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1797 * for types < int: (unsigned TYPE)~(unsigned)0
1798 * The argument to ~ must be unsigned so that later signed->unsigned
1799 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1800 * and it must not be smaller than int because ~ does integral promotion.
1801 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1802 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1803 * The latter is a hack which happens to work on some machines but
1804 * does *not* catch any random system, or things like integer types
1805 * with NaN if that is possible.
1806 *
1807 * All of the types are explicitly cast to prevent accidental loss of
1808 * numeric range, and in the hope that they will be less likely to confuse
1809 * over-eager optimizers.
1810 *
1811 */
27d4fb96 1812
99abf803 1813#define PERL_UCHAR_MIN ((unsigned char)0)
1814
1815#ifdef UCHAR_MAX
1816# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1817#else
99abf803 1818# ifdef MAXUCHAR
1819# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1820# else
99abf803 1821# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1822# endif
1823#endif
d460ef45 1824
99abf803 1825/*
1826 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1827 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1828 * depending on local options. Until Configure detects this (or at least
1829 * detects whether the "signed" keyword is available) the CHAR ranges
1830 * will not be included. UCHAR functions normally.
1831 * - kja
1832 */
27d4fb96 1833
99abf803 1834#define PERL_USHORT_MIN ((unsigned short)0)
1835
1836#ifdef USHORT_MAX
1837# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1838#else
99abf803 1839# ifdef MAXUSHORT
1840# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1841# else
ef2f54b0
CB		 1842# ifdef USHRT_MAX
1843# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1844# else
1845# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1846# endif
27d4fb96 1847# endif
1848#endif
1849
27d4fb96 1850#ifdef SHORT_MAX
99abf803 1851# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1852#else
1853# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1854# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1855# else
ef2f54b0
CB		 1856# ifdef SHRT_MAX
1857# define PERL_SHORT_MAX ((short)SHRT_MAX)
1858# else
1859# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1860# endif
27d4fb96 1861# endif
1862#endif
1863
1864#ifdef SHORT_MIN
99abf803 1865# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1866#else
1867# ifdef MINSHORT
99abf803 1868# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1869# else
ef2f54b0
CB		 1870# ifdef SHRT_MIN
1871# define PERL_SHORT_MIN ((short)SHRT_MIN)
1872# else
1873# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1874# endif
27d4fb96 1875# endif
1876#endif
1877
99abf803 1878#ifdef UINT_MAX
1879# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1880#else
99abf803 1881# ifdef MAXUINT
1882# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1883# else
99abf803 1884# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1885# endif
1886#endif
1887
99abf803 1888#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1889
1890#ifdef INT_MAX
99abf803 1891# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1892#else
1893# ifdef MAXINT /* Often used in <values.h> */
99abf803 1894# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1895# else
99abf803 1896# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1897# endif
1898#endif
1899
1900#ifdef INT_MIN
99abf803 1901# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1902#else
1903# ifdef MININT
99abf803 1904# define PERL_INT_MIN ((int)MININT)
27d4fb96 1905# else
1906# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1907# endif
1908#endif
1909
99abf803 1910#ifdef ULONG_MAX
1911# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1912#else
99abf803 1913# ifdef MAXULONG
1914# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1915# else
99abf803 1916# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1917# endif
1918#endif
1919
99abf803 1920#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1921
760ac839 1922#ifdef LONG_MAX
99abf803 1923# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1924#else
1925# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1926# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1927# else
99abf803 1928# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1929# endif
1930#endif
1931
1932#ifdef LONG_MIN
99abf803 1933# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1934#else
1935# ifdef MINLONG
99abf803 1936# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1937# else
27d4fb96 1938# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1939# endif
1940#endif
1941
d7d93a81 1942#ifdef UV_IS_QUAD
99abf803 1943
99abf803 1944# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1945# define PERL_UQUAD_MIN ((UV)0)
99abf803 1946# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1947# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1948
79072805
LW		 1949#endif
1950
22f7c9c9
JH		 1951#ifdef MYMALLOC
1952# include "malloc_ctl.h"
1953#endif
1954
830247a4 1955struct RExC_state_t;
880b20b6 1956
ee0007ab 1957typedef MEM_SIZE STRLEN;
450a55e4 1958
79072805
LW		 1959typedef struct op OP;
1960typedef struct cop COP;
1961typedef struct unop UNOP;
1962typedef struct binop BINOP;
1963typedef struct listop LISTOP;
1964typedef struct logop LOGOP;
79072805
LW		 1965typedef struct pmop PMOP;
1966typedef struct svop SVOP;
7934575e 1967typedef struct padop PADOP;
79072805 1968typedef struct pvop PVOP;
79072805
LW		 1969typedef struct loop LOOP;
1970
93a17b20 1971typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1972
1973/* Amdahl's <ksync.h> has struct sv */
1974/* SGI's <sys/sema.h> has struct sv */
1975#if defined(UTS) || defined(__sgi)
1976# define STRUCT_SV perl_sv
b8d3c5db
JH		 1977#else
1978# define STRUCT_SV sv
1979#endif
1980typedef struct STRUCT_SV SV;
79072805
LW		 1981typedef struct av AV;
1982typedef struct hv HV;
1983typedef struct cv CV;
378cc40b 1984typedef struct regexp REGEXP;
79072805 1985typedef struct gp GP;
0c30d9ec 1986typedef struct gv GV;
8990e307 1987typedef struct io IO;
c09156bb 1988typedef struct context PERL_CONTEXT;
79072805
LW		 1989typedef struct block BLOCK;
1990
1991typedef struct magic MAGIC;
ed6116ce 1992typedef struct xrv XRV;
79072805
LW		 1993typedef struct xpv XPV;
1994typedef struct xpviv XPVIV;
ff68c719 1995typedef struct xpvuv XPVUV;
79072805
LW		 1996typedef struct xpvnv XPVNV;
1997typedef struct xpvmg XPVMG;
1998typedef struct xpvlv XPVLV;
1999typedef struct xpvav XPVAV;
2000typedef struct xpvhv XPVHV;
2001typedef struct xpvgv XPVGV;
2002typedef struct xpvcv XPVCV;
2003typedef struct xpvbm XPVBM;
2004typedef struct xpvfm XPVFM;
8990e307 2005typedef struct xpvio XPVIO;
79072805
LW		 2006typedef struct mgvtbl MGVTBL;
2007typedef union any ANY;
5f7fde29
GS		 2008typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2009typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2010typedef struct clone_params CLONE_PARAMS;
2011
378cc40b 2012#include "handy.h"
a0d0e21e 2013
6b8eaf93 2014#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2015# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2016# define USE_64_BIT_RAWIO /* implicit */
2017# endif
4564133c
JH		 2018#endif
2019
6b8eaf93
JH		 2020/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2021 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2022 * however, because operating systems like to do that themself. */
2023#ifndef FSEEKSIZE
2024# ifdef HAS_FSEEKO
2025# define FSEEKSIZE LSEEKSIZE
2026# else
2027# define FSEEKSIZE LONGSIZE
d460ef45 2028# endif
6b8eaf93
JH		 2029#endif
2030
2031#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2032# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2033# define USE_64_BIT_STDIO /* implicit */
2034# endif
2035#endif
4564133c 2036
09458382 2037#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2038# ifdef HAS_OFF64_T
2039# undef Off_t
2040# define Off_t off64_t
2041# undef LSEEKSIZE
2042# define LSEEKSIZE 8
5ff3f7a4 2043# endif
d9b3e12d
JH		 2044/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2045 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2046 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2047# if defined(USE_OPEN64)
2048# define open open64
5ff3f7a4 2049# endif
d9b3e12d
JH		 2050# if defined(USE_LSEEK64)
2051# define lseek lseek64
6b8eaf93
JH		 2052# else
2053# if defined(USE_LLSEEK)
2054# define lseek llseek
2055# endif
d9b3e12d
JH		 2056# endif
2057# if defined(USE_STAT64)
2058# define stat stat64
2059# endif
2060# if defined(USE_FSTAT64)
2061# define fstat fstat64
2062# endif
2063# if defined(USE_LSTAT64)
2064# define lstat lstat64
2065# endif
2066# if defined(USE_FLOCK64)
2067# define flock flock64
2068# endif
2069# if defined(USE_LOCKF64)
2070# define lockf lockf64
2071# endif
2072# if defined(USE_FCNTL64)
2073# define fcntl fcntl64
2074# endif
2075# if defined(USE_TRUNCATE64)
2076# define truncate truncate64
2077# endif
2078# if defined(USE_FTRUNCATE64)
2079# define ftruncate ftruncate64
2080# endif
2081#endif
2082
2083#ifdef USE_64_BIT_STDIO
2084# ifdef HAS_FPOS64_T
2085# undef Fpos_t
2086# define Fpos_t fpos64_t
2087# endif
2088/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2089 * will trigger defines like the ones below. Some 64-bit environments,
2090 * however, do not. */
2091# if defined(USE_FOPEN64)
2092# define fopen fopen64
2093# endif
2094# if defined(USE_FSEEK64)
6b8eaf93 2095# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2096# endif
2097# if defined(USE_FTELL64)
6b8eaf93 2098# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2099# endif
2100# if defined(USE_FSETPOS64)
2101# define fsetpos fsetpos64
2102# endif
2103# if defined(USE_FGETPOS64)
2104# define fgetpos fgetpos64
2105# endif
2106# if defined(USE_TMPFILE64)
2107# define tmpfile tmpfile64
2108# endif
2109# if defined(USE_FREOPEN64)
2110# define freopen freopen64
5ff3f7a4
GS		 2111# endif
2112#endif
2113
af8b425d 2114#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2115# include "iperlsys.h"
2116#endif
2117
6f71a643 2118#if defined(__OPEN_VM)
19848b3f
JH		 2119# include "vmesa/vmesaish.h"
2120# define ISHISH "vmesa"
6f71a643
JH		 2121#endif
2122
748a9306 2123#ifdef DOSISH
19848b3f
JH		 2124# if defined(OS2)
2125# include "os2ish.h"
2126# else
2127# include "dosish.h"
2128# endif
2129# define ISHISH "dos"
2130#endif
2131
2132#if defined(VMS)
748a9306 2133# include "vmsish.h"
96e176bf 2134# include "embed.h"
19848b3f
JH		 2135# define ISHISH "vms"
2136#endif
2137
2138#if defined(PLAN9)
2139# include "./plan9/plan9ish.h"
2140# define ISHISH "plan9"
2141#endif
2142
2143#if defined(MPE)
2144# include "mpeix/mpeixish.h"
2145# define ISHISH "mpeix"
2146#endif
2147
2148#if defined(__VOS__)
196918b0
PG		 2149# ifdef __GNUC__
2150# include "./vos/vosish.h"
2151# else
2152# include "vos/vosish.h"
2153# endif
19848b3f
JH		 2154# define ISHISH "vos"
2155#endif
2156
2157#if defined(EPOC)
2158# include "epocish.h"
2159# define ISHISH "epoc"
2160#endif
2161
2162#if defined(MACOS_TRADITIONAL)
2163# include "macos/macish.h"
2164# ifndef NO_ENVIRON_ARRAY
2165# define NO_ENVIRON_ARRAY
0c30d9ec 2166# endif
19848b3f
JH		 2167# define ISHISH "macos classic"
2168#endif
2169
efca5cc6
JH		 2170#if defined(__BEOS__)
2171# include "beos/beosish.h"
2172# define ISHISH "beos"
2173#endif
2174
19848b3f
JH		 2175#ifndef ISHISH
2176# include "unixish.h"
2177# define ISHISH "unix"
13b6e58c
JH		 2178#endif
2179
2180#ifndef NO_ENVIRON_ARRAY
2181# define USE_ENVIRON_ARRAY
2182#endif
32f822de 2183
c77b533b
JH		 2184/*
2185 * initialise to avoid floating-point exceptions from overflow, etc
2186 */
2187#ifndef PERL_FPU_INIT
2188# ifdef HAS_FPSETMASK
2189# if HAS_FLOATINGPOINT_H
2190# include <floatingpoint.h>
2191# endif
2192# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2193# else
2f42fcb0 2194# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2195# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2196# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2197# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2198# else
2199# define PERL_FPU_INIT
2f42fcb0 2200
7014c407 2201# endif
c77b533b
JH		 2202# endif
2203#endif
b35112e7
CS		 2204#ifndef PERL_FPU_PRE_EXEC
2205# define PERL_FPU_PRE_EXEC {
2206# define PERL_FPU_POST_EXEC }
2207#endif
c77b533b 2208
ed344e4f
IZ		 2209#ifndef PERL_SYS_INIT3
2210# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2211#endif
2212
be708cc0
JH		 2213#ifndef PERL_WRITE_MSG_TO_CONSOLE
2214# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2215#endif
2216
0f31cffe
GS		 2217#ifndef MAXPATHLEN
2218# ifdef PATH_MAX
b990c8b2
JH		 2219# ifdef _POSIX_PATH_MAX
2220# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2221/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2222 * included the null byte or not. Later amendments of POSIX,
2223 * XPG4, the Austin Group, and the Single UNIX Specification
2224 * all explicitly include the null byte in the PATH_MAX.
2225 * Ditto for _POSIX_PATH_MAX. */
2226# define MAXPATHLEN PATH_MAX
b990c8b2 2227# else
09448d78 2228# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2229# endif
2230# else
2231# define MAXPATHLEN (PATH_MAX+1)
2232# endif
0f31cffe 2233# else
b990c8b2 2234# ifdef _POSIX_PATH_MAX
09448d78 2235# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2236# else
2237# define MAXPATHLEN 1024 /* Err on the large side. */
2238# endif
0f31cffe
GS		 2239# endif
2240#endif
2241
3db8f154 2242/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2243 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2244 * this results in many functions being undeclared which bothers C++
2245 * May make sense to have threads after "*ish.h" anyway
2246 */
2247
3db8f154 2248#if defined(USE_ITHREADS)
2986a63f
JH		 2249# ifdef NETWARE
2250# include <nw5thread.h>
2251# else
32f822de
GS		 2252# ifdef FAKE_THREADS
2253# include "fakethr.h"
2254# else
2255# ifdef WIN32
2256# include <win32thread.h>
2257# else
dd96f567
IZ		 2258# ifdef OS2
2259# include "os2thread.h"
2260# else
7f3d1cf1 2261# ifdef I_MACH_CTHREADS
bdd66968 2262# include <mach/cthreads.h>
8f1f23e8 2263# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2264# define MUTEX_INIT_CALLS_MALLOC
2265# endif
7f3d1cf1
BH		 2266typedef cthread_t perl_os_thread;
2267typedef mutex_t perl_mutex;
2268typedef condition_t perl_cond;
2269typedef void * perl_key;
2270# else /* Posix threads */
1f5ae88c
JH		 2271# ifdef I_PTHREAD
2272# include <pthread.h>
2273# endif
7f3d1cf1
BH		 2274typedef pthread_t perl_os_thread;
2275typedef pthread_mutex_t perl_mutex;
2276typedef pthread_cond_t perl_cond;
2277typedef pthread_key_t perl_key;
2278# endif /* I_MACH_CTHREADS */
dd96f567 2279# endif /* OS2 */
32f822de
GS		 2280# endif /* WIN32 */
2281# endif /* FAKE_THREADS */
2986a63f 2282#endif /* NETWARE */
3db8f154 2283#endif /* USE_ITHREADS */
c5be433b 2284
66a93824 2285#if defined(WIN32)
1feb2720 2286# include "win32.h"
c5be433b
GS		 2287#endif
2288
2986a63f
JH		 2289#ifdef NETWARE
2290# include "netware.h"
2291#endif
2292
68dc0745 2293#ifdef VMS
6b88bc9c 2294# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2295# define STATUS_NATIVE_EXPORT \
d98f61e7 2296 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2297# define STATUS_NATIVE_SET(n) \
2298 STMT_START { \
6b88bc9c
GS		 2299 PL_statusvalue_vms = (n); \
2300 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2301 PL_statusvalue = -1; \
6b88bc9c 2302 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2303 PL_statusvalue = 0; \
6b88bc9c
GS		 2304 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2305 PL_statusvalue = 1 << 8; \
68dc0745 2306 else \
6b88bc9c 2307 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2308 } STMT_END
3280af22 2309# define STATUS_POSIX PL_statusvalue
68dc0745 2310# ifdef VMSISH_STATUS
2311# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2312# else
2313# define STATUS_CURRENT STATUS_POSIX
2314# endif
2315# define STATUS_POSIX_SET(n) \
2316 STMT_START { \
3280af22
NIS		 2317 PL_statusvalue = (n); \
2318 if (PL_statusvalue != -1) { \
2319 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2320 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2321 } \
6b88bc9c 2322 else PL_statusvalue_vms = -1; \
68dc0745 2323 } STMT_END
6b88bc9c
GS		 2324# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2325# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2326#else
2327# define STATUS_NATIVE STATUS_POSIX
2328# define STATUS_NATIVE_EXPORT STATUS_POSIX
2329# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2330# define STATUS_POSIX PL_statusvalue
68dc0745 2331# define STATUS_POSIX_SET(n) \
2332 STMT_START { \
3280af22
NIS		 2333 PL_statusvalue = (n); \
2334 if (PL_statusvalue != -1) \
2335 PL_statusvalue &= 0xFFFF; \
68dc0745 2336 } STMT_END
2337# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2338# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2339# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2340#endif
2341
cc3604b1
GS		 2342/* flags in PL_exit_flags for nature of exit() */
2343#define PERL_EXIT_EXPECTED 0x01
31d77e54 2344#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2345
0b94c7bb 2346#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2347# define MEMBER_TO_FPTR(name) name
2348#endif
2349
2350/* format to use for version numbers in file/directory names */
273cf8d1 2351/* XXX move to Configure? */
a7cb1f99 2352#ifndef PERL_FS_VER_FMT
273cf8d1 2353# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2354#endif
2355
45bc9206 2356/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2357 * performance issue, so we allow people to disable it. Also, if
2358 * we are using stdio, there are broken implementations of fflush(NULL)
2359 * out there, Solaris being the most prominent.
45bc9206
GS		 2360 */
2361#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2362# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2363# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2364# else
2365# ifdef FFLUSH_ALL
2366# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2367# else
c5be433b 2368# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2369# endif
66fe083f 2370# endif
45bc9206
GS		 2371#endif
2372
7766f137
GS		 2373#ifndef PERL_WAIT_FOR_CHILDREN
2374# define PERL_WAIT_FOR_CHILDREN NOOP
2375#endif
2376
ba869deb 2377/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2378#ifndef PERL_SET_INTERP
2379# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2380#endif
2381
2382#ifndef PERL_GET_INTERP
2383# define PERL_GET_INTERP (PL_curinterp)
2384#endif
2385
54aff467 2386#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2387# ifdef MULTIPLICITY
ba869deb 2388# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2389# endif
ba869deb
GS		 2390# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2391#endif
2392
894356b3
GS		 2393#ifndef SVf
2394# ifdef CHECK_FORMAT
2395# define SVf "p"
84c133a0
RB		 2396# ifndef SVf256
2397# define SVf256 SVf
2398# endif
894356b3
GS		 2399# else
2400# define SVf "_"
d460ef45 2401# endif
894356b3
GS		 2402#endif
2403
84c133a0
RB		 2404#ifndef SVf256
2405# define SVf256 ".256"SVf
2406#endif
2407
d2560b70
RB		 2408#ifndef UVf
2409# ifdef CHECK_FORMAT
2410# define UVf UVuf
2411# else
2412# define UVf "Vu"
d460ef45 2413# endif
d2560b70
RB		 2414#endif
2415
2416#ifndef VDf
2417# ifdef CHECK_FORMAT
2418# define VDf "p"
2419# else
2420# define VDf "vd"
d460ef45 2421# endif
d2560b70
RB		 2422#endif
2423
b3fe4827
RB		 2424#ifndef Nullformat
2425# ifdef CHECK_FORMAT
2426# define Nullformat "%s",""
2427# else
2428# define Nullformat Nullch
2429# endif
2430#endif
2431
287c8091
RB		 2432#ifndef __attribute__format__
2433# ifdef CHECK_FORMAT
2434# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2435# else
2436# define __attribute__format__(x,y,z)
2437# endif
2438#endif
2439
3fc1aec6 2440/* Some unistd.h's give a prototype for pause() even though
2441 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2442 below to be rejected by the compiler. Sigh.
3fc1aec6 2443*/
2444#ifdef HAS_PAUSE
2445#define Pause pause
2446#else
2447#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2448#endif
2449
2450#ifndef IOCPARM_LEN
2451# ifdef IOCPARM_MASK
2452 /* on BSDish systes we're safe */
2453# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2454# else
2455 /* otherwise guess at what's safe */
2456# define IOCPARM_LEN(x) 256
2457# endif
a0d0e21e
LW		 2458#endif
2459
1761cee5 2460#if defined(__CYGWIN__)
521e0776
GS		 2461/* USEMYBINMODE
2462 * This symbol, if defined, indicates that the program should
16fe6d59 2463 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2464 * that a file is in "binary" mode -- that is, that no translation
2465 * of bytes occurs on read or write operations.
2466 */
36894f0b 2467# define USEMYBINMODE /**/
77a40698 2468# include <io.h> /* for setmode() prototype */
16fe6d59 2469# define my_binmode(fp, iotype, mode) \
77a40698 2470 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2471#endif
2472
88d10794
JH		 2473#ifdef __CYGWIN__
2474void init_os_extras(void);
2475#endif
2476
cea2e8a9
GS		 2477#ifdef UNION_ANY_DEFINITION
2478UNION_ANY_DEFINITION;
2479#else
2480union any {
2481 void* any_ptr;
2482 I32 any_i32;
2483 IV any_iv;
2484 long any_long;
9febdf04 2485 bool any_bool;
c76ac1ee 2486 void (*any_dptr) (void*);
acfe0abc 2487 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2488};
2489#endif
2490
acfe0abc 2491typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2492
2493#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2494#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2495#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2496
c5078cac
JH		 2497#if defined(_AIX) && !defined(_AIX43)
2498#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2499/* We cannot include <crypt.h> to get the struct crypt_data
2500 * because of setkey prototype problems when threading */
2501typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2502 /* From OSF, Not needed in AIX
2503 char C[28], D[28];
2504 */
2505 char E[48];
2506 char KS[16][48];
2507 char block[66];
2508 char iobuf[16];
2509} CRYPTD;
2510#endif /* threading */
2511#endif /* AIX */
2512
af8b425d 2513#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2514# include "iperlsys.h"
2515#endif
504f80c1 2516
d10dc2ae
JH		 2517/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2518 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2519 * defined by Configure, despite their names being similar to the
2520 * other defines like USE_ITHREADS. Configure in fact knows nothing
2521 * about the randomised hashes. Therefore to enable/disable the hash
2522 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2523#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2524# define USE_HASH_SEED
504f80c1
JH		 2525#endif
2526
378cc40b 2527#include "regexp.h"
79072805 2528#include "sv.h"
378cc40b 2529#include "util.h"
8d063cd8 2530#include "form.h"
79072805 2531#include "gv.h"
dd2155a4 2532#include "pad.h"
79072805 2533#include "cv.h"
abdd5c84 2534#include "opnames.h"
79072805
LW		 2535#include "op.h"
2536#include "cop.h"
2537#include "av.h"
2538#include "hv.h"
2539#include "mg.h"
2540#include "scope.h"
4438c4b7 2541#include "warnings.h"
a0ed51b3 2542#include "utf8.h"
8d063cd8 2543
7fae4e64
GS		 2544/* Current curly descriptor */
2545typedef struct curcur CURCUR;
2546struct curcur {
2547 int parenfloor; /* how far back to strip paren data */
2548 int cur; /* how many instances of scan we've matched */
2549 int min; /* the minimal number of scans to match */
2550 int max; /* the maximal number of scans to match */
2551 int minmod; /* whether to work our way up or down */
2552 regnode * scan; /* the thing to match */
2553 regnode * next; /* what has to match after it */
2554 char * lastloc; /* where we started matching this scan */
2555 CURCUR * oldcc; /* current curly before we started this one */
2556};
2557
2558typedef struct _sublex_info SUBLEXINFO;
2559struct _sublex_info {
2560 I32 super_state; /* lexer state to save */
2561 I32 sub_inwhat; /* "lex_inwhat" to use */
2562 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2563 char *super_bufptr; /* PL_bufptr that was */
2564 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2565};
2566
455ece5e 2567typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2568
2c2d71f5 2569struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2570struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2571
2572typedef I32 CHECKPOINT;
76e3520e 2573
5f7fde29
GS		 2574struct ptr_tbl_ent {
2575 struct ptr_tbl_ent* next;
2576 void* oldval;
2577 void* newval;
d18c6117
GS		 2578};
2579
5f7fde29
GS		 2580struct ptr_tbl {
2581 struct ptr_tbl_ent** tbl_ary;
2582 UV tbl_max;
2583 UV tbl_items;
d18c6117
GS		 2584};
2585
450a55e4 2586#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2587# define I286
2588#endif
2589
fe14fcc3
LW		 2590#if defined(htonl) && !defined(HAS_HTONL)
2591#define HAS_HTONL
ae986130 2592#endif
fe14fcc3
LW		 2593#if defined(htons) && !defined(HAS_HTONS)
2594#define HAS_HTONS
ae986130 2595#endif
fe14fcc3
LW		 2596#if defined(ntohl) && !defined(HAS_NTOHL)
2597#define HAS_NTOHL
ae986130 2598#endif
fe14fcc3
LW		 2599#if defined(ntohs) && !defined(HAS_NTOHS)
2600#define HAS_NTOHS
ae986130 2601#endif
fe14fcc3 2602#ifndef HAS_HTONL
d9d8d8de 2603#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2604#define HAS_HTONS
2605#define HAS_HTONL
2606#define HAS_NTOHS
2607#define HAS_NTOHL
a687059c
LW		 2608#define MYSWAP
2609#define htons my_swap
2610#define htonl my_htonl
2611#define ntohs my_swap
2612#define ntohl my_ntohl
2613#endif
2614#else
d9d8d8de 2615#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2616#undef HAS_HTONS
2617#undef HAS_HTONL
2618#undef HAS_NTOHS
2619#undef HAS_NTOHL
a687059c
LW		 2620#endif
2621#endif
2622
988174c1
LW		 2623/*
2624 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2625 * -DWS
2626 */
2627#if BYTEORDER != 0x1234
2628# define HAS_VTOHL
2629# define HAS_VTOHS
2630# define HAS_HTOVL
2631# define HAS_HTOVS
c67712b2 2632# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2633# define vtohl(x) ((((x)&0xFF)<<24) \
2634 +(((x)>>24)&0xFF) \
2635 +(((x)&0x0000FF00)<<8) \
2636 +(((x)&0x00FF0000)>>8) )
2637# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2638# define htovl(x) vtohl(x)
2639# define htovs(x) vtohs(x)
2640# endif
2641 /* otherwise default to functions in util.c */
2a8c3029 2642#ifndef htovs
c623ac67
GS		 2643short htovs(short n);
2644short vtohs(short n);
2645long htovl(long n);
2646long vtohl(long n);
988174c1 2647#endif
2a8c3029 2648#endif
988174c1 2649
3bb7c1b4
JH		 2650/* *MAX Plus 1. A floating point value.
2651 Hopefully expressed in a way that dodgy floating point can't mess up.
2652 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2653 is added to it
2654 May find that some broken compiler will want the value cast to I32.
2655 [after the shift, as signed >> may not be as secure as unsigned >>]
2656*/
2657#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2658#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2659/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2660 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2661 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2662*/
2663#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2664
3bb7c1b4
JH		 2665#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2666#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2667#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2668
2669/* This may look like unnecessary jumping through hoops, but converting
2670 out of range floating point values to integers *is* undefined behaviour,
2671 and it is starting to bite.
2672*/
2673#ifndef CAST_INLINE
65202027 2674#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2675#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2676#define I_V(what) (cast_iv((NV)(what)))
2677#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2678#else
2679#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2680 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2681 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2682#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2683 : ((n) < U32_MAX_P1 ? (U32) (n) \
2684 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2685#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2686 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2687 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2688#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2689 : ((n) < UV_MAX_P1 ? (UV) (n) \
2690 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2691#endif
2692
2693#define U_S(what) ((U16)U_32(what))
2694#define U_I(what) ((unsigned int)U_32(what))
2695#define U_L(what) U_32(what)
ed6116ce 2696
2d4389e4
JH		 2697/* These do not care about the fractional part, only about the range. */
2698#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2699#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2700
25da4f38
IZ		 2701/* Used with UV/IV arguments: */
2702 /* XXXX: need to speed it up */
2703#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2704#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2705
352d5a3a
LW		 2706#ifndef MAXSYSFD
2707# define MAXSYSFD 2
2708#endif
ee0007ab 2709
79072805 2710#ifndef __cplusplus
e1caacb4 2711#ifndef UNDER_CE
20ce7b12
GS		 2712Uid_t getuid (void);
2713Uid_t geteuid (void);
2714Gid_t getgid (void);
2715Gid_t getegid (void);
79072805 2716#endif
e1caacb4 2717#endif
8d063cd8 2718
0c30d9ec 2719#ifndef Perl_debug_log
bf49b057
GS		 2720# define Perl_debug_log PerlIO_stderr()
2721#endif
2722
2723#ifndef Perl_error_log
2724# define Perl_error_log (PL_stderrgv \
6b78add2 2725 && isGV(PL_stderrgv) \
01bb7c6d 2726 && GvIOp(PL_stderrgv) \
42de951c 2727 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2728 ? IoOFP(GvIOp(PL_stderrgv)) \
2729 : PerlIO_stderr())
0c30d9ec 2730#endif
3967c732 2731
aea4f609
DM		 2732
2733#define DEBUG_p_FLAG 0x00000001 /* 1 */
2734#define DEBUG_s_FLAG 0x00000002 /* 2 */
2735#define DEBUG_l_FLAG 0x00000004 /* 4 */
2736#define DEBUG_t_FLAG 0x00000008 /* 8 */
2737#define DEBUG_o_FLAG 0x00000010 /* 16 */
2738#define DEBUG_c_FLAG 0x00000020 /* 32 */
2739#define DEBUG_P_FLAG 0x00000040 /* 64 */
2740#define DEBUG_m_FLAG 0x00000080 /* 128 */
2741#define DEBUG_f_FLAG 0x00000100 /* 256 */
2742#define DEBUG_r_FLAG 0x00000200 /* 512 */
2743#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2744#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2745 /* spare */
aea4f609
DM		 2746#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2747#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2748#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2749#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2750#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2751#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2752#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2753#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2754#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2755#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2756#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2757#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2758
2759#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2760#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2761 that something was done? */
aea4f609 2762
bd16a5f0
IZ		 2763# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2764# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2765# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2766# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2767# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2768# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2769# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2770# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2771# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2772# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2773# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2774# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2775# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2776# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2777# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2778# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2779# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2780# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2781# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2782# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2783# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 2784# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2785# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2786# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2787
3967c732 2788#ifdef DEBUGGING
aea4f609 2789
bd16a5f0
IZ		 2790# define DEBUG_p_TEST DEBUG_p_TEST_
2791# define DEBUG_s_TEST DEBUG_s_TEST_
2792# define DEBUG_l_TEST DEBUG_l_TEST_
2793# define DEBUG_t_TEST DEBUG_t_TEST_
2794# define DEBUG_o_TEST DEBUG_o_TEST_
2795# define DEBUG_c_TEST DEBUG_c_TEST_
2796# define DEBUG_P_TEST DEBUG_P_TEST_
2797# define DEBUG_m_TEST DEBUG_m_TEST_
2798# define DEBUG_f_TEST DEBUG_f_TEST_
2799# define DEBUG_r_TEST DEBUG_r_TEST_
2800# define DEBUG_x_TEST DEBUG_x_TEST_
2801# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2802# define DEBUG_H_TEST DEBUG_H_TEST_
2803# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2804# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2805# define DEBUG_D_TEST DEBUG_D_TEST_
2806# define DEBUG_S_TEST DEBUG_S_TEST_
2807# define DEBUG_T_TEST DEBUG_T_TEST_
2808# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2809# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2810# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2811# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 2812# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 2813# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 2814
488b0c7a
JH		 2815# define PERL_DEB(a) a
2816# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2817# define DEBUG_p(a) if (DEBUG_p_TEST) a
2818# define DEBUG_s(a) if (DEBUG_s_TEST) a
2819# define DEBUG_l(a) if (DEBUG_l_TEST) a
2820# define DEBUG_t(a) if (DEBUG_t_TEST) a
2821# define DEBUG_o(a) if (DEBUG_o_TEST) a
2822# define DEBUG_c(a) if (DEBUG_c_TEST) a
2823# define DEBUG_P(a) if (DEBUG_P_TEST) a
2824
969058bb
VK		 2825 /* Temporarily turn off memory debugging in case the a
2826 * does memory allocation, either directly or indirectly. */
acfe0abc 2827# define DEBUG_m(a) \
0b250b9e 2828 STMT_START { \
aea4f609 2829 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2830 } STMT_END
aea4f609 2831
5f80b19c
AMS		 2832# define DEBUG__(t, a) \
2833 STMT_START { \
2834 if (t) STMT_START {a;} STMT_END; \
2835 } STMT_END
2836
2837# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2838# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2839# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2840# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2841# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2842# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2843# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2844# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2845
3db8f154 2846# define DEBUG_S(a)
aea4f609 2847
5f80b19c
AMS		 2848# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2849# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2850# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2851# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 2852# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2853# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 2854
2855#else /* DEBUGGING */
2856
2857# define DEBUG_p_TEST (0)
2858# define DEBUG_s_TEST (0)
2859# define DEBUG_l_TEST (0)
2860# define DEBUG_t_TEST (0)
2861# define DEBUG_o_TEST (0)
2862# define DEBUG_c_TEST (0)
2863# define DEBUG_P_TEST (0)
2864# define DEBUG_m_TEST (0)
2865# define DEBUG_f_TEST (0)
2866# define DEBUG_r_TEST (0)
2867# define DEBUG_x_TEST (0)
2868# define DEBUG_u_TEST (0)
aea4f609
DM		 2869# define DEBUG_H_TEST (0)
2870# define DEBUG_X_TEST (0)
dd2155a4 2871# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2872# define DEBUG_D_TEST (0)
2873# define DEBUG_S_TEST (0)
2874# define DEBUG_T_TEST (0)
04932ac8 2875# define DEBUG_R_TEST (0)
1045810a 2876# define DEBUG_J_TEST (0)
d6721266 2877# define DEBUG_v_TEST (0)
46187eeb 2878# define DEBUG_C_TEST (0)
ecae49c0
NC		 2879# define DEBUG_A_TEST (0)
2880# define DEBUG_q_TEST (0)
aea4f609 2881
488b0c7a
JH		 2882# define PERL_DEB(a)
2883# define PERL_DEBUG(a)
aea4f609
DM		 2884# define DEBUG_p(a)
2885# define DEBUG_s(a)
2886# define DEBUG_l(a)
2887# define DEBUG_t(a)
2888# define DEBUG_o(a)
2889# define DEBUG_c(a)
2890# define DEBUG_P(a)
2891# define DEBUG_m(a)
2892# define DEBUG_f(a)
2893# define DEBUG_r(a)
2894# define DEBUG_x(a)
2895# define DEBUG_u(a)
aea4f609
DM		 2896# define DEBUG_H(a)
2897# define DEBUG_X(a)
dd2155a4 2898# define DEBUG_Xv(a)
aea4f609
DM		 2899# define DEBUG_D(a)
2900# define DEBUG_S(a)
2901# define DEBUG_T(a)
04932ac8 2902# define DEBUG_R(a)
d6721266 2903# define DEBUG_v(a)
46187eeb 2904# define DEBUG_C(a)
ecae49c0
NC		 2905# define DEBUG_A(a)
2906# define DEBUG_q(a)
aea4f609
DM		 2907#endif /* DEBUGGING */
2908
2909
b4ab917c
DM		 2910#define DEBUG_SCOPE(where) \
2911 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2912 where, PL_scopestack_ix, __FILE__, __LINE__)));
2913
2914
2915
2916
d1be9408 2917/* These constants should be used in preference to raw characters
14befaf4
DM		 2918 * when using magic. Note that some perl guts still assume
2919 * certain character properties of these constants, namely that
2920 * isUPPER() and toLOWER() may do useful mappings.
2921 *
2922 * Update the magic_names table in dump.c when adding/amending these
2923 */
2924
2925#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2926#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2927#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2928#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2929#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2930#define PERL_MAGIC_regdata 'D' /* Regex match position data
2931 (@+ and @- vars) */
2932#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2933#define PERL_MAGIC_env 'E' /* %ENV hash */
2934#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2935#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2936#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2937#define PERL_MAGIC_isa 'I' /* @ISA array */
2938#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2939#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2940#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2941#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2942#define PERL_MAGIC_mutex 'm' /* for lock op */
2943#define PERL_MAGIC_shared 'N' /* Shared between threads */
2944#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2945#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2946#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2947#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2948#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2949#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2950#define PERL_MAGIC_sig 'S' /* %SIG hash */
2951#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2952#define PERL_MAGIC_taint 't' /* Taintedness */
2953#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2954#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2955#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2956#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2957#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2958#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2959#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2960 smart parameter vivification */
2961#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2962#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2963#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2964#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2965#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2966
2967
a6e633de 2968#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 2969#define assert(what) PERL_DEB( \
2970 ((what) ? ((void) 0) : \
2971 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2972 __FILE__, __LINE__), \
2973 PerlProc_exit(1), \
2974 (void) 0)))
a446a88f 2975#endif
8d063cd8 2976
450a55e4 2977struct ufuncs {
24f81a43
DM		 2978 I32 (*uf_val)(pTHX_ IV, SV*);
2979 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2980 IV uf_index;
450a55e4
LW		 2981};
2982
14befaf4 2983/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2984 * XS code wanting to be backward compatible can do something
2985 * like the following:
c745e42c 2986
24f81a43 2987#ifndef PERL_MG_UFUNC
24f81a43
DM		 2988#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2989#endif
2990
2991static PERL_MG_UFUNC(foo_get, index, val)
2992{
2993 sv_setsv(val, ...);
2994 return TRUE;
2995}
2996
2997-- Doug MacEachern
2998
2999*/
3000
fc9c74e6 3001#ifndef PERL_MG_UFUNC
24f81a43 3002#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3003#endif
24f81a43 3004
fe14fcc3 3005/* Fix these up for __STDC__ */
68dc0745 3006#ifndef DONT_DECLARE_STD
20ce7b12 3007char *mktemp (char*);
37bd1396 3008#ifndef atof
20ce7b12 3009double atof (const char*);
a0d0e21e 3010#endif
37bd1396 3011#endif
79072805 3012
352d5a3a 3013#ifndef STANDARD_C
fe14fcc3 3014/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3015Time_t time();
8d063cd8 3016struct tm *gmtime(), *localtime();
092bebab 3017#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3018char *(strchr)(), *(strrchr)();
3019char *(strcpy)(), *(strcat)();
3020#else
93a17b20 3021char *strchr(), *strrchr();
378cc40b 3022char *strcpy(), *strcat();
9d116dd7 3023#endif
352d5a3a 3024#endif /* ! STANDARD_C */
8d063cd8 3025
79072805
LW		 3026
3027#ifdef I_MATH
3028# include <math.h>
3029#else
32f822de 3030START_EXTERN_C
20ce7b12
GS		 3031 double exp (double);
3032 double log (double);
3033 double log10 (double);
3034 double sqrt (double);
3035 double frexp (double,int*);
3036 double ldexp (double,int);
3037 double modf (double,double*);
3038 double sin (double);
3039 double cos (double);
3040 double atan2 (double,double);
3041 double pow (double,double);
32f822de 3042END_EXTERN_C
79072805
LW		 3043#endif
3044
aa8b85de
JH		 3045#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3046# define NV_INF LDBL_INFINITY
3047#endif
3048#if !defined(NV_INF) && defined(DBL_INFINITY)
3049# define NV_INF (NV)DBL_INFINITY
3050#endif
3051#if !defined(NV_INF) && defined(INFINITY)
3052# define NV_INF (NV)INFINITY
3053#endif
3054#if !defined(NV_INF) && defined(INF)
3055# define NV_INF (NV)INF
3056#endif
3057#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3058# define NV_INF (NV)HUGE_VALL
3059#endif
3060#if !defined(NV_INF) && defined(HUGE_VAL)
3061# define NV_INF (NV)HUGE_VAL
3062#endif
3063
3064#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3065# if !defined(NV_NAN) && defined(LDBL_NAN)
3066# define NV_NAN LDBL_NAN
3067# endif
3068# if !defined(NV_NAN) && defined(LDBL_QNAN)
3069# define NV_NAN LDBL_QNAN
3070# endif
3071# if !defined(NV_NAN) && defined(LDBL_SNAN)
3072# define NV_NAN LDBL_SNAN
3073# endif
3074#endif
3075#if !defined(NV_NAN) && defined(DBL_NAN)
3076# define NV_NAN (NV)DBL_NAN
3077#endif
3078#if !defined(NV_NAN) && defined(DBL_QNAN)
3079# define NV_NAN (NV)DBL_QNAN
3080#endif
3081#if !defined(NV_NAN) && defined(DBL_SNAN)
3082# define NV_NAN (NV)DBL_SNAN
3083#endif
3084#if !defined(NV_NAN) && defined(QNAN)
3085# define NV_NAN (NV)QNAN
3086#endif
3087#if !defined(NV_NAN) && defined(SNAN)
3088# define NV_NAN (NV)SNAN
3089#endif
3090#if !defined(NV_NAN) && defined(NAN)
3091# define NV_NAN (NV)NAN
3092#endif
3093
a0d0e21e 3094#ifndef __cplusplus
8f1f23e8 3095# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3096char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3097# else
fd8cd3a3 3098# if !defined(WIN32) && !defined(VMS)
10bc17b6 3099#ifndef crypt
20ce7b12 3100char *crypt (const char*, const char*);
10bc17b6 3101#endif
5014db98 3102# endif /* !WIN32 */
8f1f23e8 3103# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3104# ifndef DONT_DECLARE_STD
3105# ifndef getenv
20ce7b12 3106char *getenv (const char*);
26618a56 3107# endif /* !getenv */
28ca6303 3108# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3109# ifdef _FILE_OFFSET_BITS
28ca6303 3110# if _FILE_OFFSET_BITS == 64
20ce7b12 3111Off_t lseek (int,Off_t,int);
0fc67700
JH		 3112# endif
3113# endif
bf0c440f 3114# endif
26618a56 3115# endif /* !DONT_DECLARE_STD */
10bc17b6 3116#ifndef getlogin
20ce7b12 3117char *getlogin (void);
10bc17b6 3118#endif
26618a56 3119#endif /* !__cplusplus */
79072805 3120
16d20bd9 3121#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3122#define UNLINK unlnk
20ce7b12 3123I32 unlnk (char*);
8d063cd8 3124#else
80252599 3125#define UNLINK PerlLIO_unlink
8d063cd8 3126#endif
a687059c 3127
fa0a29af
JH		 3128/* some versions of glibc are missing the setresuid() proto */
3129#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3130int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3131#endif
fa0a29af
JH		 3132/* some versions of glibc are missing the setresgid() proto */
3133#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3134int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3135#endif
3136
fe14fcc3 3137#ifndef HAS_SETREUID
85e6fe83
LW		 3138# ifdef HAS_SETRESUID
3139# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3140# define HAS_SETREUID
3141# endif
a687059c 3142#endif
fe14fcc3 3143#ifndef HAS_SETREGID
85e6fe83
LW		 3144# ifdef HAS_SETRESGID
3145# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3146# define HAS_SETREGID
3147# endif
a687059c 3148#endif
ee0007ab 3149
d543acb6 3150/* Sighandler_t defined in iperlsys.h */
ff68c719 3151
3152#ifdef HAS_SIGACTION
3153typedef struct sigaction Sigsave_t;
3154#else
3155typedef Sighandler_t Sigsave_t;
3156#endif
3157
ee0007ab
LW		 3158#define SCAN_DEF 0
3159#define SCAN_TR 1
3160#define SCAN_REPL 2
79072805
LW		 3161
3162#ifdef DEBUGGING
4633a7c4 3163# ifndef register
a0d0e21e
LW		 3164# define register
3165# endif
cea2e8a9 3166# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3167#else
cea2e8a9 3168# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3169#endif
3170
18f739ee 3171#ifdef MYMALLOC
772fe5b3 3172# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3173# define MALLOC_INIT \
3174 STMT_START { \
3175 PL_malloc_mutex = NULL; \
3176 MUTEX_INIT(&PL_malloc_mutex); \
3177 } STMT_END
3178# define MALLOC_TERM \
3179 STMT_START { \
3180 perl_mutex tmp = PL_malloc_mutex; \
3181 PL_malloc_mutex = NULL; \
3182 MUTEX_DESTROY(&tmp); \
3183 } STMT_END
3184# else
3185# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3186# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3187# endif
18f739ee
IZ		 3188#else
3189# define MALLOC_INIT
3190# define MALLOC_TERM
3191#endif
3192
b6d9d515 3193
0cb96387 3194typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3195typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3196typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3197typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3198
940cb80d 3199/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3200#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3201
8f1f23e8
W		 3202/* NeXT has problems with crt0.o globals */
3203#if defined(__DYNAMIC__) && \
6239f2da 3204 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3205# if defined(NeXT) || defined(__NeXT)
3206# include <mach-o/dyld.h>
3207# define environ (*environ_pointer)
0c30d9ec 3208EXT char *** environ_pointer;
8f1f23e8 3209# else
6239f2da 3210# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3211# include <crt_externs.h> /* for the env array */
3212# define environ (*_NSGetEnviron())
3213# endif
0c30d9ec 3214# endif
8f1f23e8
W		 3215#else
3216 /* VMS and some other platforms don't use the environ array */
13b6e58c 3217# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3218# if !defined(DONT_DECLARE_STD) || \
3219 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3220 defined(__sgi) || \
d460ef45 3221 defined(__DGUX)
8f1f23e8 3222extern char ** environ; /* environment variables supplied via exec */
a6c40364 3223# endif
8f1f23e8
W		 3224# endif
3225#endif
79072805 3226
73c4f7a1
GS		 3227START_EXTERN_C
3228
79072805 3229/* handy constants */
22c35a8c 3230EXTCONST char PL_warn_uninit[]
29489e7c 3231 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3232EXTCONST char PL_warn_nosemi[]
463ee0b2 3233 INIT("Semicolon seems to be missing");
22c35a8c 3234EXTCONST char PL_warn_reserved[]
463ee0b2 3235 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3236EXTCONST char PL_warn_nl[]
93a17b20 3237 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3238EXTCONST char PL_no_wrongref[]
a0d0e21e 3239 INIT("Can't use %s ref as %s ref");
22c35a8c 3240EXTCONST char PL_no_symref[]
748a9306 3241 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 3242EXTCONST char PL_no_usym[]
8990e307 3243 INIT("Can't use an undefined value as %s reference");
22c35a8c 3244EXTCONST char PL_no_aelem[]
93a17b20 3245 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3246EXTCONST char PL_no_helem[]
93a17b20 3247 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3248EXTCONST char PL_no_modify[]
93a17b20 3249 INIT("Modification of a read-only value attempted");
22c35a8c 3250EXTCONST char PL_no_mem[]
93a17b20 3251 INIT("Out of memory!\n");
22c35a8c 3252EXTCONST char PL_no_security[]
463ee0b2 3253 INIT("Insecure dependency in %s%s");
22c35a8c 3254EXTCONST char PL_no_sock_func[]
93a17b20 3255 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3256EXTCONST char PL_no_dir_func[]
93a17b20 3257 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3258EXTCONST char PL_no_func[]
93a17b20 3259 INIT("The %s function is unimplemented");
22c35a8c 3260EXTCONST char PL_no_myglob[]
748a9306 3261 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3262EXTCONST char PL_no_localize_ref[]
3263 INIT("Can't localize through a reference");
27d5b266
JH		 3264#ifdef PERL_MALLOC_WRAP
3265EXTCONST char PL_memory_wrap[]
3266 INIT("panic: memory wrap");
3267#endif
93a17b20 3268
7575fa06 3269EXTCONST char PL_uuemap[65]
80252599
GS		 3270 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3271
3272
79072805 3273#ifdef DOINIT
22c35a8c
GS		 3274EXT char *PL_sig_name[] = { SIG_NAME };
3275EXT int PL_sig_num[] = { SIG_NUM };
79072805 3276#else
22c35a8c
GS		 3277EXT char *PL_sig_name[];
3278EXT int PL_sig_num[];
79072805
LW		 3279#endif
3280
3bd709b1 3281/* fast conversion and case folding tables */
bbce6d69 3282
79072805 3283#ifdef DOINIT
9d116dd7 3284#ifdef EBCDIC
22c35a8c 3285EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3286 0, 1, 2, 3, 4, 5, 6, 7,
3287 8, 9, 10, 11, 12, 13, 14, 15,
3288 16, 17, 18, 19, 20, 21, 22, 23,
3289 24, 25, 26, 27, 28, 29, 30, 31,
3290 32, 33, 34, 35, 36, 37, 38, 39,
3291 40, 41, 42, 43, 44, 45, 46, 47,
3292 48, 49, 50, 51, 52, 53, 54, 55,
3293 56, 57, 58, 59, 60, 61, 62, 63,
3294 64, 65, 66, 67, 68, 69, 70, 71,
3295 72, 73, 74, 75, 76, 77, 78, 79,
3296 80, 81, 82, 83, 84, 85, 86, 87,
3297 88, 89, 90, 91, 92, 93, 94, 95,
3298 96, 97, 98, 99, 100, 101, 102, 103,
3299 104, 105, 106, 107, 108, 109, 110, 111,
3300 112, 113, 114, 115, 116, 117, 118, 119,
3301 120, 121, 122, 123, 124, 125, 126, 127,
3302 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3303 'H', 'I', 138, 139, 140, 141, 142, 143,
3304 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3305 'Q', 'R', 154, 155, 156, 157, 158, 159,
3306 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3307 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3308 176, 177, 178, 179, 180, 181, 182, 183,
3309 184, 185, 186, 187, 188, 189, 190, 191,
3310 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3311 'h', 'i', 202, 203, 204, 205, 206, 207,
3312 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3313 'q', 'r', 218, 219, 220, 221, 222, 223,
3314 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3315 'y', 'z', 234, 235, 236, 237, 238, 239,
3316 240, 241, 242, 243, 244, 245, 246, 247,
3317 248, 249, 250, 251, 252, 253, 254, 255
3318};
3319#else /* ascii rather than ebcdic */
22c35a8c 3320EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3321 0, 1, 2, 3, 4, 5, 6, 7,
3322 8, 9, 10, 11, 12, 13, 14, 15,
3323 16, 17, 18, 19, 20, 21, 22, 23,
3324 24, 25, 26, 27, 28, 29, 30, 31,
3325 32, 33, 34, 35, 36, 37, 38, 39,
3326 40, 41, 42, 43, 44, 45, 46, 47,
3327 48, 49, 50, 51, 52, 53, 54, 55,
3328 56, 57, 58, 59, 60, 61, 62, 63,
3329 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3330 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3331 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3332 'x', 'y', 'z', 91, 92, 93, 94, 95,
3333 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3334 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3335 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3336 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3337 128, 129, 130, 131, 132, 133, 134, 135,
3338 136, 137, 138, 139, 140, 141, 142, 143,
3339 144, 145, 146, 147, 148, 149, 150, 151,
3340 152, 153, 154, 155, 156, 157, 158, 159,
3341 160, 161, 162, 163, 164, 165, 166, 167,
3342 168, 169, 170, 171, 172, 173, 174, 175,
3343 176, 177, 178, 179, 180, 181, 182, 183,
3344 184, 185, 186, 187, 188, 189, 190, 191,
3345 192, 193, 194, 195, 196, 197, 198, 199,
3346 200, 201, 202, 203, 204, 205, 206, 207,
3347 208, 209, 210, 211, 212, 213, 214, 215,
3348 216, 217, 218, 219, 220, 221, 222, 223,
3349 224, 225, 226, 227, 228, 229, 230, 231,
3350 232, 233, 234, 235, 236, 237, 238, 239,
3351 240, 241, 242, 243, 244, 245, 246, 247,
3352 248, 249, 250, 251, 252, 253, 254, 255
3353};
9d116dd7 3354#endif /* !EBCDIC */
79072805 3355#else
22c35a8c 3356EXTCONST unsigned char PL_fold[];
79072805
LW		 3357#endif
3358
3359#ifdef DOINIT
22c35a8c 3360EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3361 0, 1, 2, 3, 4, 5, 6, 7,
3362 8, 9, 10, 11, 12, 13, 14, 15,
3363 16, 17, 18, 19, 20, 21, 22, 23,
3364 24, 25, 26, 27, 28, 29, 30, 31,
3365 32, 33, 34, 35, 36, 37, 38, 39,
3366 40, 41, 42, 43, 44, 45, 46, 47,
3367 48, 49, 50, 51, 52, 53, 54, 55,
3368 56, 57, 58, 59, 60, 61, 62, 63,
3369 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3370 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3371 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3372 'x', 'y', 'z', 91, 92, 93, 94, 95,
3373 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3374 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3375 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3376 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3377 128, 129, 130, 131, 132, 133, 134, 135,
3378 136, 137, 138, 139, 140, 141, 142, 143,
3379 144, 145, 146, 147, 148, 149, 150, 151,
3380 152, 153, 154, 155, 156, 157, 158, 159,
3381 160, 161, 162, 163, 164, 165, 166, 167,
3382 168, 169, 170, 171, 172, 173, 174, 175,
3383 176, 177, 178, 179, 180, 181, 182, 183,
3384 184, 185, 186, 187, 188, 189, 190, 191,
3385 192, 193, 194, 195, 196, 197, 198, 199,
3386 200, 201, 202, 203, 204, 205, 206, 207,
3387 208, 209, 210, 211, 212, 213, 214, 215,
3388 216, 217, 218, 219, 220, 221, 222, 223,
3389 224, 225, 226, 227, 228, 229, 230, 231,
3390 232, 233, 234, 235, 236, 237, 238, 239,
3391 240, 241, 242, 243, 244, 245, 246, 247,
3392 248, 249, 250, 251, 252, 253, 254, 255
3393};
3394#else
22c35a8c 3395EXT unsigned char PL_fold_locale[];
79072805
LW		 3396#endif
3397
3398#ifdef DOINIT
9d116dd7 3399#ifdef EBCDIC
22c35a8c 3400EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3401 1, 2, 84, 151, 154, 155, 156, 157,
3402 165, 246, 250, 3, 158, 7, 18, 29,
3403 40, 51, 62, 73, 85, 96, 107, 118,
3404 129, 140, 147, 148, 149, 150, 152, 153,
3405 255, 6, 8, 9, 10, 11, 12, 13,
3406 14, 15, 24, 25, 26, 27, 28, 226,
3407 29, 30, 31, 32, 33, 43, 44, 45,
3408 46, 47, 48, 49, 50, 76, 77, 78,
3409 79, 80, 81, 82, 83, 84, 85, 86,
3410 87, 94, 95, 234, 181, 233, 187, 190,
3411 180, 96, 97, 98, 99, 100, 101, 102,
3412 104, 112, 182, 174, 236, 232, 229, 103,
3413 228, 226, 114, 115, 116, 117, 118, 119,
3414 120, 121, 122, 235, 176, 230, 194, 162,
3415 130, 131, 132, 133, 134, 135, 136, 137,
3416 138, 139, 201, 205, 163, 217, 220, 224,
3417 5, 248, 227, 244, 242, 255, 241, 231,
3418 240, 253, 16, 197, 19, 20, 21, 187,
3419 23, 169, 210, 245, 237, 249, 247, 239,
3420 168, 252, 34, 196, 36, 37, 38, 39,
3421 41, 42, 251, 254, 238, 223, 221, 213,
3422 225, 177, 52, 53, 54, 55, 56, 57,
3423 58, 59, 60, 61, 63, 64, 65, 66,
3424 67, 68, 69, 70, 71, 72, 74, 75,
3425 205, 208, 186, 202, 200, 218, 198, 179,
3426 178, 214, 88, 89, 90, 91, 92, 93,
3427 217, 166, 170, 207, 199, 209, 206, 204,
3428 160, 212, 105, 106, 108, 109, 110, 111,
3429 203, 113, 216, 215, 192, 175, 193, 243,
3430 172, 161, 123, 124, 125, 126, 127, 128,
3431 222, 219, 211, 195, 188, 193, 185, 184,
3432 191, 183, 141, 142, 143, 144, 145, 146
3433};
3434#else /* ascii rather than ebcdic */
22c35a8c 3435EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3436 1, 2, 84, 151, 154, 155, 156, 157,
3437 165, 246, 250, 3, 158, 7, 18, 29,
3438 40, 51, 62, 73, 85, 96, 107, 118,
3439 129, 140, 147, 148, 149, 150, 152, 153,
3440 255, 182, 224, 205, 174, 176, 180, 217,
3441 233, 232, 236, 187, 235, 228, 234, 226,
3442 222, 219, 211, 195, 188, 193, 185, 184,
3443 191, 183, 201, 229, 181, 220, 194, 162,
3444 163, 208, 186, 202, 200, 218, 198, 179,
3445 178, 214, 166, 170, 207, 199, 209, 206,
3446 204, 160, 212, 216, 215, 192, 175, 173,
3447 243, 172, 161, 190, 203, 189, 164, 230,
3448 167, 248, 227, 244, 242, 255, 241, 231,
3449 240, 253, 169, 210, 245, 237, 249, 247,
3450 239, 168, 252, 251, 254, 238, 223, 221,
3451 213, 225, 177, 197, 171, 196, 159, 4,
3452 5, 6, 8, 9, 10, 11, 12, 13,
3453 14, 15, 16, 17, 19, 20, 21, 22,
3454 23, 24, 25, 26, 27, 28, 30, 31,
3455 32, 33, 34, 35, 36, 37, 38, 39,
3456 41, 42, 43, 44, 45, 46, 47, 48,
3457 49, 50, 52, 53, 54, 55, 56, 57,
3458 58, 59, 60, 61, 63, 64, 65, 66,
3459 67, 68, 69, 70, 71, 72, 74, 75,
3460 76, 77, 78, 79, 80, 81, 82, 83,
3461 86, 87, 88, 89, 90, 91, 92, 93,
3462 94, 95, 97, 98, 99, 100, 101, 102,
3463 103, 104, 105, 106, 108, 109, 110, 111,
3464 112, 113, 114, 115, 116, 117, 119, 120,
3465 121, 122, 123, 124, 125, 126, 127, 128,
3466 130, 131, 132, 133, 134, 135, 136, 137,
3467 138, 139, 141, 142, 143, 144, 145, 146
3468};
9d116dd7 3469#endif
79072805 3470#else
22c35a8c 3471EXTCONST unsigned char PL_freq[];
79072805
LW		 3472#endif
3473
8990e307
LW		 3474#ifdef DEBUGGING
3475#ifdef DOINIT
22c35a8c 3476EXTCONST char* PL_block_type[] = {
8990e307
LW		 3477 "NULL",
3478 "SUB",
3479 "EVAL",
3480 "LOOP",
3481 "SUBST",
3482 "BLOCK",
3483};
3484#else
22c35a8c 3485EXTCONST char* PL_block_type[];
8990e307
LW		 3486#endif
3487#endif
3488
73c4f7a1
GS		 3489END_EXTERN_C
3490
79072805
LW		 3491/*****************************************************************************/
3492/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3493/*****************************************************************************/
8990e307 3494/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3495
d4c3c482 3496#ifdef __Lynx__
9cffb111
OS		 3497/* LynxOS defines these in scsi.h which is included via ioctl.h */
3498#ifdef FORMAT
3499#undef FORMAT
3500#endif
3501#ifdef SPACE
3502#undef SPACE
3503#endif
d4c3c482 3504#endif
9cffb111 3505
1fd33325
MHM		 3506/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3507 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3508 * it's not really needed.
3509 */
3510#if defined(WIN32)
3511# define YYTOKENTYPE
3512#endif
a0d0e21e
LW		 3513#include "perly.h"
3514
fb73857a 3515#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3516
79072805
LW		 3517typedef enum {
3518 XOPERATOR,
3519 XTERM,
79072805 3520 XREF,
8990e307 3521 XSTATE,
a0d0e21e 3522 XBLOCK,
09bef843
SB		 3523 XATTRBLOCK,
3524 XATTRTERM,
6f33ba73
RGS		 3525 XTERMBLOCK,
3526 XTERMORDORDOR /* evil hack */
27308ded 3527 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3528} expectation;
3529
dc9e4912
GS		 3530enum { /* pass one of these to get_vtbl */
3531 want_vtbl_sv,
3532 want_vtbl_env,
3533 want_vtbl_envelem,
3534 want_vtbl_sig,
3535 want_vtbl_sigelem,
3536 want_vtbl_pack,
3537 want_vtbl_packelem,
3538 want_vtbl_dbline,
3539 want_vtbl_isa,
3540 want_vtbl_isaelem,
3541 want_vtbl_arylen,
3542 want_vtbl_glob,
3543 want_vtbl_mglob,
3544 want_vtbl_nkeys,
3545 want_vtbl_taint,
3546 want_vtbl_substr,
3547 want_vtbl_vec,
3548 want_vtbl_pos,
3549 want_vtbl_bm,
3550 want_vtbl_fm,
3551 want_vtbl_uvar,
3552 want_vtbl_defelem,
3553 want_vtbl_regexp,
3554 want_vtbl_collxfrm,
3555 want_vtbl_amagic,
3556 want_vtbl_amagicelem,
dc9e4912 3557 want_vtbl_regdata,
810b8aa5 3558 want_vtbl_regdatum,
7e8c5dac
HS		 3559 want_vtbl_backref,
3560 want_vtbl_utf8
dc9e4912
GS		 3561};
3562
85e6fe83
LW		 3563 /* Note: the lowest 8 bits are reserved for
3564 stuffing into op->op_private */
f3aa04c2 3565#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3566#define HINT_INTEGER 0x00000001 /* integer pragma */
3567#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3568#define HINT_LOCALE 0x00000004 /* locale pragma */
3569#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3570/* #define HINT_notused10 0x00000010 */
a0ed51b3 3571 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3572 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3573
3574#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3575#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3576#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3577
9cfe5470 3578/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3579#define HINT_NEW_INTEGER 0x00001000
3580#define HINT_NEW_FLOAT 0x00002000
3581#define HINT_NEW_BINARY 0x00004000
3582#define HINT_NEW_STRING 0x00008000
3583#define HINT_NEW_RE 0x00010000
3584#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3585
9cfe5470
RGS		 3586#define HINT_RE_TAINT 0x00100000 /* re pragma */
3587#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3588
9cfe5470
RGS		 3589#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3590#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3591
8fa7688f 3592/* assertions pragma */
06492da6 3593#define HINT_ASSERTING 0x01000000
8fa7688f 3594#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3595
9cfe5470 3596/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3597#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3598#define HINT_SORT_QUICKSORT 0x00000001
3599#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3600#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3601
8bfdd7d9 3602/* Various states of the input record separator SV (rs) */
d4cce5f1 3603#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3604#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3605#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3606#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3607
128e8167 3608/* A struct for keeping various DEBUGGING related stuff,
ce333219 3609 * neatly packed. Currently only scratch variables for
128e8167
JH		 3610 * constructing debug output are included. Needed always,
3611 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3612struct perl_debug_pad {
3613 SV pad[3];
3614};
3615
3616#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3617#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3618
56953603 3619/* Enable variables which are pointers to functions */
a2efc822 3620typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3621typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3622typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3623 char* strend, char* strbeg, I32 minend,
3624 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3625typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3626 char *strpos, char *strend,
3627 U32 flags,
3628 struct re_scream_pos_data_s *d);
3629typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3630typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3631
c76ac1ee 3632typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3633typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3634typedef void (*SVFUNC_t) (pTHX_ SV*);
3635typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3636typedef void (*XSINIT_t) (pTHX);
3637typedef void (*ATEXIT_t) (pTHX_ void*);
3638typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3639
22239a37
NIS		 3640/* Set up PERLVAR macros for populating structs */
3641#define PERLVAR(var,type) type var;
51371543 3642#define PERLVARA(var,n,type) type var[n];
22239a37 3643#define PERLVARI(var,type,init) type var;
3fe35a81 3644#define PERLVARIC(var,type,init) type var;
22239a37 3645
58a50f62
GS		 3646/* Interpreter exitlist entry */
3647typedef struct exitlistentry {
acfe0abc 3648 void (*fn) (pTHX_ void*);
58a50f62
GS		 3649 void *ptr;
3650} PerlExitListEntry;
3651
22239a37
NIS		 3652#ifdef PERL_GLOBAL_STRUCT
3653struct perl_vars {
7766f137 3654# include "perlvars.h"
22239a37
NIS		 3655};
3656
7766f137 3657# ifdef PERL_CORE
533c011a
NIS		 3658EXT struct perl_vars PL_Vars;
3659EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3660# else /* PERL_CORE */
3661# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3662EXT
7766f137 3663# endif /* WIN32 */
533c011a 3664struct perl_vars *PL_VarsPtr;
7766f137
GS		 3665# define PL_Vars (*((PL_VarsPtr) \
3666 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3667# endif /* PERL_CORE */
22239a37
NIS		 3668#endif /* PERL_GLOBAL_STRUCT */
3669
acfe0abc 3670#if defined(MULTIPLICITY)
d460ef45 3671/* If we have multiple interpreters define a struct
d4cce5f1 3672 holding variables which must be per-interpreter
d460ef45 3673 If we don't have threads anything that would have
d4cce5f1
NIS		 3674 be per-thread is per-interpreter.
3675*/
3676
79072805 3677struct interpreter {
3db8f154 3678# include "thrdvar.h"
7766f137
GS		 3679# include "intrpvar.h"
3680/*
3681 * The following is a buffer where new variables must
acfe0abc 3682 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3683 */
3684PERLVARA(object_compatibility,30, char)
49f531da 3685};
d4cce5f1 3686
79072805 3687#else
49f531da
NIS		 3688struct interpreter {
3689 char broiled;
3690};
acfe0abc 3691#endif /* MULTIPLICITY */
79072805 3692
22fae026 3693typedef void *Thread;
22239a37
NIS		 3694
3695/* Done with PERLVAR macros for now ... */
d4cce5f1 3696#undef PERLVAR
51371543 3697#undef PERLVARA
d4cce5f1 3698#undef PERLVARI
3fe35a81 3699#undef PERLVARIC
79072805 3700
49704364
WL		 3701/* Types used by pack/unpack */
3702typedef enum {
3703 e_no_len, /* no length */
3704 e_number, /* number, [] */
3705 e_star /* asterisk */
3706} howlen_t;
3707
3708typedef struct {
3709 char* patptr; /* current template char */
3710 char* patend; /* one after last char */
3711 char* grpbeg; /* 1st char of ()-group */
3712 char* grpend; /* end of ()-group */
66c611c5 3713 I32 code; /* template code (!<>) */
49704364
WL		 3714 I32 length; /* length/repeat count */
3715 howlen_t howlen; /* how length is given */
3716 int level; /* () nesting level */
3717 U32 flags; /* /=4, comma=2, pack=1 */
66c611c5 3718 /* and group modifiers */
49704364
WL		 3719} tempsym_t;
3720
22239a37 3721#include "thread.h"
79072805 3722#include "pp.h"
864dbfa3
GS		 3723
3724#ifndef PERL_CALLCONV
3725# define PERL_CALLCONV
d460ef45 3726#endif
864dbfa3 3727
65f19062
GS		 3728#ifndef NEXT30_NO_ATTRIBUTE
3729# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3730# ifdef __attribute__ /* Avoid possible redefinition errors */
3731# undef __attribute__
3732# endif
3733# define __attribute__(attr)
3734# endif
3735#endif
3736
0cb96387
GS		 3737#undef PERL_CKDEF
3738#undef PERL_PPDEF
3739#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3740#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3741
7766f137 3742#include "proto.h"
864dbfa3 3743
0cb96387 3744/* this has structure inits, so it cannot be included before here */
acfe0abc 3745#include "opcode.h"
864dbfa3 3746
d4cce5f1
NIS		 3747/* The following must follow proto.h as #defines mess up syntax */
3748
22c35a8c
GS		 3749#if !defined(PERL_FOR_X2P)
3750# include "embedvar.h"
3751#endif
d4cce5f1 3752
d460ef45 3753/* Now include all the 'global' variables
d4cce5f1 3754 * If we don't have threads or multiple interpreters
d460ef45 3755 * these include variables that would have been their struct-s
d4cce5f1 3756 */
d460ef45 3757
533c011a 3758#define PERLVAR(var,type) EXT type PL_##var;
51371543 3759#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3760#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3761#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3762
acfe0abc 3763#if !defined(MULTIPLICITY)
7766f137 3764START_EXTERN_C
066ef5b5 3765# include "intrpvar.h"
3db8f154 3766# include "thrdvar.h"
7766f137 3767END_EXTERN_C
22239a37
NIS		 3768#endif
3769
acfe0abc 3770#if defined(WIN32)
66a93824 3771/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3772# include "embed.h"
acfe0abc 3773#endif
22239a37 3774
c5be433b
GS		 3775#ifndef PERL_GLOBAL_STRUCT
3776START_EXTERN_C
3777
3778# include "perlvars.h"
3779
3780END_EXTERN_C
3781#endif
3782
d4cce5f1 3783#undef PERLVAR
51371543 3784#undef PERLVARA
d4cce5f1 3785#undef PERLVARI
0f3f18a6 3786#undef PERLVARIC
79072805 3787
73c4f7a1
GS		 3788START_EXTERN_C
3789
79072805 3790#ifdef DOINIT
bbce6d69 3791
68795e93 3792EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3793 MEMBER_TO_FPTR(Perl_magic_set),
3794 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3795 0, 0};
2b260de0
GS		 3796EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3797 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3798 0};
2b260de0
GS		 3799EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3800 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3801 0};
22c35a8c 3802EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3803#ifdef PERL_MICRO
3804EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3805#else
2b260de0
GS		 3806EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3807 MEMBER_TO_FPTR(Perl_magic_setsig),
3808 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3809 0};
64ca3a65 3810#endif
68795e93
NIS		 3811EXT MGVTBL PL_vtbl_pack = {0, 0,
3812 MEMBER_TO_FPTR(Perl_magic_sizepack),
3813 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3814 0};
2b260de0 3815EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3816 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3817 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3818 0};
2b260de0 3819EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3820 0, 0, 0};
2b260de0
GS		 3821EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3822 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3823 0};
2b260de0 3824EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3825 0, 0, 0};
2b260de0
GS		 3826EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3827 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3828 0, 0, 0};
2b260de0
GS		 3829EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3830 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3831 0, 0, 0};
2b260de0 3832EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3833 0, 0, 0};
2b260de0
GS		 3834EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3835 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3836 0, 0, 0};
68795e93
NIS		 3837EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3838 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3839 0, 0, 0};
68795e93
NIS		 3840EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3841 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3842 0, 0, 0};
2b260de0 3843EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3844 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3845 0, 0, 0};
2b260de0
GS		 3846EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3847 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3848 0, 0, 0};
2b260de0 3849EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3850 0, 0, 0};
2b260de0 3851EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3852 0, 0, 0};
2b260de0
GS		 3853EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3854 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3855 0, 0, 0};
68795e93
NIS		 3856EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3857 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3858 0, 0, 0};
a0d0e21e 3859
faf82a0b 3860EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3861EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3862EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3863 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3864
36477c24 3865#ifdef USE_LOCALE_COLLATE
22c35a8c 3866EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3867 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3868 0, 0, 0};
3869#endif
a0d0e21e 3870
2b260de0
GS		 3871EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3872 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3873EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3874 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3875
810b8aa5 3876EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3877 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3878
d460ef45
NIS		 3879EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3880 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3881
7e8c5dac
HS		 3882EXT MGVTBL PL_vtbl_utf8 = {0,
3883 MEMBER_TO_FPTR(Perl_magic_setutf8),
3884 0, 0, 0};
3885
bbce6d69 3886#else /* !DOINIT */
3887
22c35a8c
GS		 3888EXT MGVTBL PL_vtbl_sv;
3889EXT MGVTBL PL_vtbl_env;
3890EXT MGVTBL PL_vtbl_envelem;
3891EXT MGVTBL PL_vtbl_sig;
3892EXT MGVTBL PL_vtbl_sigelem;
3893EXT MGVTBL PL_vtbl_pack;
3894EXT MGVTBL PL_vtbl_packelem;
3895EXT MGVTBL PL_vtbl_dbline;
3896EXT MGVTBL PL_vtbl_isa;
3897EXT MGVTBL PL_vtbl_isaelem;
3898EXT MGVTBL PL_vtbl_arylen;
3899EXT MGVTBL PL_vtbl_glob;
3900EXT MGVTBL PL_vtbl_mglob;
3901EXT MGVTBL PL_vtbl_nkeys;
3902EXT MGVTBL PL_vtbl_taint;
3903EXT MGVTBL PL_vtbl_substr;
3904EXT MGVTBL PL_vtbl_vec;
3905EXT MGVTBL PL_vtbl_pos;
3906EXT MGVTBL PL_vtbl_bm;
3907EXT MGVTBL PL_vtbl_fm;
3908EXT MGVTBL PL_vtbl_uvar;
d460ef45 3909EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3910
22c35a8c
GS		 3911EXT MGVTBL PL_vtbl_defelem;
3912EXT MGVTBL PL_vtbl_regexp;
3913EXT MGVTBL PL_vtbl_regdata;
3914EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3915
36477c24 3916#ifdef USE_LOCALE_COLLATE
22c35a8c 3917EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3918#endif
a0d0e21e 3919
22c35a8c
GS		 3920EXT MGVTBL PL_vtbl_amagic;
3921EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3922
810b8aa5 3923EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3924EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3925
bbce6d69 3926#endif /* !DOINIT */
85e6fe83 3927
f5284f61
IZ		 3928enum {
3929 fallback_amg, abs_amg,
3930 bool__amg, nomethod_amg,
3931 string_amg, numer_amg,
3932 add_amg, add_ass_amg,
3933 subtr_amg, subtr_ass_amg,
3934 mult_amg, mult_ass_amg,
3935 div_amg, div_ass_amg,
3936 modulo_amg, modulo_ass_amg,
3937 pow_amg, pow_ass_amg,
3938 lshift_amg, lshift_ass_amg,
3939 rshift_amg, rshift_ass_amg,
3940 band_amg, band_ass_amg,
3941 bor_amg, bor_ass_amg,
3942 bxor_amg, bxor_ass_amg,
3943 lt_amg, le_amg,
3944 gt_amg, ge_amg,
3945 eq_amg, ne_amg,
3946 ncmp_amg, scmp_amg,
3947 slt_amg, sle_amg,
3948 sgt_amg, sge_amg,
3949 seq_amg, sne_amg,
3950 not_amg, compl_amg,
3951 inc_amg, dec_amg,
3952 atan2_amg, cos_amg,
3953 sin_amg, exp_amg,
3954 log_amg, sqrt_amg,
3955 repeat_amg, repeat_ass_amg,
3956 concat_amg, concat_ass_amg,
3957 copy_amg, neg_amg,
3958 to_sv_amg, to_av_amg,
3959 to_hv_amg, to_gv_amg,
d460ef45 3960 to_cv_amg, iter_amg,
f216259d
IZ		 3961 int_amg, DESTROY_amg,
3962 max_amg_code
64a0062a 3963 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3964};
3965
3966#define NofAMmeth max_amg_code
89ffc314 3967#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3968
a0d0e21e 3969#ifdef DOINIT
22c35a8c 3970EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3971 /* Names kept in the symbol table. fallback => "()", the rest has
3972 "(" prepended. The only other place in perl which knows about
3973 this convention is AMG_id2name (used for debugging output and
3974 'nomethod' only), the only other place which has it hardwired is
3975 overload.pm. */
3976 "()", "(abs", /* "fallback" should be the first. */
3977 "(bool", "(nomethod",
3978 "(\"\"", "(0+",
3979 "(+", "(+=",
3980 "(-", "(-=",
3981 "(*", "(*=",
3982 "(/", "(/=",
3983 "(%", "(%=",
3984 "(**", "(**=",
3985 "(<<", "(<<=",
3986 "(>>", "(>>=",
3987 "(&", "(&=",
3988 "(|", "(|=",
3989 "(^", "(^=",
3990 "(<", "(<=",
3991 "(>", "(>=",
3992 "(==", "(!=",
3993 "(<=>", "(cmp",
3994 "(lt", "(le",
3995 "(gt", "(ge",
3996 "(eq", "(ne",
3997 "(!", "(~",
3998 "(++", "(--",
3999 "(atan2", "(cos",
4000 "(sin", "(exp",
4001 "(log", "(sqrt",
4002 "(x", "(x=",
4003 "(.", "(.=",
4004 "(=", "(neg",
4005 "(${}", "(@{}",
4006 "(%{}", "(*{}",
4007 "(&{}", "(<>",
f216259d 4008 "(int", "DESTROY",
a0d0e21e
LW		 4009};
4010#else
22c35a8c 4011EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4012#endif /* def INITAMAGIC */
4013
73c4f7a1
GS		 4014END_EXTERN_C
4015
a6006777 4016struct am_table {
eb160463 4017 U32 was_ok_sub;
a0d0e21e 4018 long was_ok_am;
a6006777 4019 U32 flags;
4020 CV* table[NofAMmeth];
a0d0e21e
LW		 4021 long fallback;
4022};
a6006777 4023struct am_table_short {
eb160463 4024 U32 was_ok_sub;
a6006777 4025 long was_ok_am;
4026 U32 flags;
4027};
a0d0e21e 4028typedef struct am_table AMT;
a6006777 4029typedef struct am_table_short AMTS;
a0d0e21e
LW		 4030
4031#define AMGfallNEVER 1
4032#define AMGfallNO 2
4033#define AMGfallYES 3
4034
a6006777 4035#define AMTf_AMAGIC 1
32251b26 4036#define AMTf_OVERLOADED 2
a6006777 4037#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4038#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4039#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4040#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4041#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4042#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4043
32251b26 4044#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4045
4046/*
4047 * some compilers like to redefine cos et alia as faster
4048 * (and less accurate?) versions called F_cos et cetera (Quidquid
4049 * latine dictum sit, altum viditur.) This trick collides with
4050 * the Perl overloading (amg). The following #defines fool both.
4051 */
4052
4053#ifdef _FASTMATH
4054# ifdef atan2
4055# define F_atan2_amg atan2_amg
4056# endif
4057# ifdef cos
4058# define F_cos_amg cos_amg
4059# endif
4060# ifdef exp
4061# define F_exp_amg exp_amg
4062# endif
4063# ifdef log
4064# define F_log_amg log_amg
4065# endif
4066# ifdef pow
4067# define F_pow_amg pow_amg
4068# endif
4069# ifdef sin
4070# define F_sin_amg sin_amg
4071# endif
4072# ifdef sqrt
4073# define F_sqrt_amg sqrt_amg
4074# endif
4075#endif /* _FASTMATH */
4076
83ee9e09
GS		 4077#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4078 PERLDBf_NOOPT | PERLDBf_INTER | \
4079 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 4080 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
4081 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 4082#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4083#define PERLDBf_LINE 0x02 /* Keep line # */
4084#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4085#define PERLDBf_INTER 0x08 /* Preserve more data for
4086 later inspections */
4087#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4088#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4089#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4090#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4091#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4092#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 4093#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 4094
3280af22
NIS		 4095#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4096#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4097#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4098#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4099#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4100#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4101#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4102#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 4103#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4104#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 4105#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 4106
36477c24 4107#ifdef USE_LOCALE_NUMERIC
bbce6d69 4108
36477c24 4109#define SET_NUMERIC_STANDARD() \
ff4fed7c 4110 set_numeric_standard();
36477c24 4111
4112#define SET_NUMERIC_LOCAL() \
ff4fed7c 4113 set_numeric_local();
bbce6d69 4114
2de3dbcc
JH		 4115#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
4116#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4117
4118#define IN_LOCALE \
923e4eb5 4119 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 4120
f93f4e46 4121#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 4122 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 4123 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 4124
4125#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 4126 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 4127 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 4128
4129#define RESTORE_NUMERIC_LOCAL() \
4130 if (was_local) SET_NUMERIC_LOCAL();
4131
4132#define RESTORE_NUMERIC_STANDARD() \
4133 if (was_standard) SET_NUMERIC_STANDARD();
4134
5b877257 4135#define Atof my_atof
097ee67d 4136
36477c24 4137#else /* !USE_LOCALE_NUMERIC */
bbce6d69 4138
097ee67d
JH		 4139#define SET_NUMERIC_STANDARD() /**/
4140#define SET_NUMERIC_LOCAL() /**/
5e931b6b 4141#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 4142#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4143#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 4144#define RESTORE_NUMERIC_LOCAL() /**/
4145#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 4146#define Atof my_atof
ad3e0f90 4147#define IN_LOCALE_RUNTIME 0
bbce6d69 4148
36477c24 4149#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 4150
079290de 4151#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4152# ifdef __hpux
4153# define strtoll __strtoll /* secret handshake */
4154# endif
c623ac67
GS		 4155# ifdef WIN64
4156# define strtoll _strtoi64 /* secret handshake */
4157# endif
079290de
GS		 4158# if !defined(Strtol) && defined(HAS_STRTOLL)
4159# define Strtol strtoll
ad551343 4160# endif
28e5dec8
JH		 4161# if !defined(Strtol) && defined(HAS_STRTOQ)
4162# define Strtol strtoq
4163# endif
ff935051 4164/* is there atoq() anywhere? */
15b99d39 4165#endif
079290de
GS		 4166#if !defined(Strtol) && defined(HAS_STRTOL)
4167# define Strtol strtol
4168#endif
4169#ifndef Atol
4170/* It would be more fashionable to use Strtol() to define atol()
4171 * (as is done for Atoul(), see below) but for backward compatibility
4172 * we just assume atol(). */
76b882ba 4173# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 4174# ifdef WIN64
4175# define atoll _atoi64 /* secret handshake */
4176# endif
76b882ba
JH		 4177# define Atol atoll
4178# else
4179# define Atol atol
4180# endif
cf2093f6
JH		 4181#endif
4182
55eb892c 4183#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4184# ifdef __hpux
4185# define strtoull __strtoull /* secret handshake */
4186# endif
c623ac67
GS		 4187# ifdef WIN64
4188# define strtoull _strtoui64 /* secret handshake */
4189# endif
ad551343 4190# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 4191# define Strtoul strtoull
15b99d39 4192# endif
079290de
GS		 4193# if !defined(Strtoul) && defined(HAS_STRTOUQ)
4194# define Strtoul strtouq
4195# endif
76d49b1c 4196/* is there atouq() anywhere? */
ad551343 4197#endif
079290de
GS		 4198#if !defined(Strtoul) && defined(HAS_STRTOUL)
4199# define Strtoul strtoul
cf2093f6 4200#endif
a5523c5b
JH		 4201#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
4202# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
4203#endif
079290de
GS		 4204#ifndef Atoul
4205# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 4206#endif
cf2093f6 4207
760ac839 4208
06d86050
GS		 4209/* if these never got defined, they need defaults */
4210#ifndef PERL_SET_CONTEXT
4211# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
4212#endif
4213
4214#ifndef PERL_GET_CONTEXT
4215# define PERL_GET_CONTEXT PERL_GET_INTERP
4216#endif
4217
4218#ifndef PERL_GET_THX
4219# define PERL_GET_THX ((void*)NULL)
4220#endif
4221
4222#ifndef PERL_SET_THX
4223# define PERL_SET_THX(t) NOOP
4224#endif
4225
a868473f
NIS		 4226#ifndef PERL_SCRIPT_MODE
4227#define PERL_SCRIPT_MODE "r"
4228#endif
4229
fba3b22e 4230/*
da927450
JH		 4231 * Some operating systems are stingy with stack allocation,
4232 * so perl may have to guard against stack overflow.
4233 */
4234#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 4235#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 4236#endif
4237
4238/*
4239 * Some nonpreemptive operating systems find it convenient to
4240 * check for asynchronous conditions after each op execution.
4241 * Keep this check simple, or it may slow down execution
4242 * massively.
4243 */
ce08f86c 4244
1d615522 4245#ifndef PERL_MICRO
4ffa73a3
JH		 4246# ifndef PERL_ASYNC_CHECK
4247# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4248# endif
ce08f86c
NIS		 4249#endif
4250
da927450 4251#ifndef PERL_ASYNC_CHECK
1d615522 4252# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 4253#endif
4254
4255/*
4256 * On some operating systems, a memory allocation may succeed,
4257 * but put the process too close to the system's comfort limit.
4258 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4259 * it to NULL.
4260 */
4261#ifndef PERL_ALLOC_CHECK
c2af87cb 4262#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 4263#endif
4264
4265/*
fba3b22e
MB		 4266 * nice_chunk and nice_chunk size need to be set
4267 * and queried under the protection of sv_mutex
4268 */
30ad99e7
MJD		 4269#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4270 void *new_chunk; \
4271 U32 new_chunk_size; \
4272 LOCK_SV_MUTEX; \
4273 new_chunk = (void *)(chunk); \
4274 new_chunk_size = (chunk_size); \
4275 if (new_chunk_size > PL_nice_chunk_size) { \
4276 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4277 PL_nice_chunk = new_chunk; \
4278 PL_nice_chunk_size = new_chunk_size; \
4279 } else { \
4280 Safefree(chunk); \
4281 } \
4282 UNLOCK_SV_MUTEX; \
4283 } STMT_END
fba3b22e 4284
bd89102f
AD		 4285#ifdef HAS_SEM
4286# include <sys/ipc.h>
4287# include <sys/sem.h>
4288# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4289 union semun {
dbba660d
TC		 4290 int val;
4291 struct semid_ds *buf;
4292 unsigned short *array;
bd89102f
AD		 4293 };
4294# endif
4295# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4296# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4297 union gccbug_semun {
4298 int val;
4299 struct semid_ds *buf;
4300 unsigned short *array;
4301 char __dummy[5];
4302 };
4303# define semun gccbug_semun
4304# endif
bd89102f
AD		 4305# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4306# else
4307# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4308# ifdef EXTRA_F_IN_SEMUN_BUF
4309# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4310# else
4311# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4312# endif
bd89102f
AD		 4313# endif
4314# endif
bd89102f 4315#endif
49f531da 4316
89ca4ac7
JH		 4317/*
4318 * Boilerplate macros for initializing and accessing interpreter-local
4319 * data from C. All statics in extensions should be reworked to use
4320 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4321 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4322 *
4323 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4324 * 1. #define MY_CXT_KEY to a unique string, e.g.
4325 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4326 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4327 * all the data that needs to be interpreter-local.
4328 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4329 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4330 * (typically put in the BOOT: section).
4331 * 5. Use the members of the my_cxt_t structure everywhere as
4332 * MY_CXT.member.
4333 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4334 * access MY_CXT.
4335 */
4336
fc958cd2 4337#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4338
4339/* This must appear in all extensions that define a my_cxt_t structure,
4340 * right after the definition (i.e. at file scope). The non-threads
4341 * case below uses it to declare the data as static. */
4342#define START_MY_CXT
4343
4344/* Fetches the SV that keeps the per-interpreter data. */
4345#define dMY_CXT_SV \
4346 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4347 sizeof(MY_CXT_KEY)-1, TRUE)
4348
4349/* This declaration should be used within all functions that use the
4350 * interpreter-local data. */
4351#define dMY_CXT \
4352 dMY_CXT_SV; \
ec0e15e0 4353 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4354
4355/* Creates and zeroes the per-interpreter data.
4356 * (We allocate my_cxtp in a Perl SV so that it will be released when
4357 * the interpreter goes away.) */
4358#define MY_CXT_INIT \
4359 dMY_CXT_SV; \
4360 /* newSV() allocates one more than needed */ \
4361 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4362 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4363 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7 4364
8fba5d14
MHM		 4365/* Clones the per-interpreter data. */
4366#define MY_CXT_CLONE \
4367 dMY_CXT_SV; \
4368 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4369 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\
4370 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
4371
89ca4ac7
JH		 4372/* This macro must be used to access members of the my_cxt_t structure.
4373 * e.g. MYCXT.some_data */
4374#define MY_CXT (*my_cxtp)
4375
4376/* Judicious use of these macros can reduce the number of times dMY_CXT
4377 * is used. Use is similar to pTHX, aTHX etc. */
4378#define pMY_CXT my_cxt_t *my_cxtp
4379#define pMY_CXT_ pMY_CXT,
4380#define _pMY_CXT ,pMY_CXT
4381#define aMY_CXT my_cxtp
4382#define aMY_CXT_ aMY_CXT,
4383#define _aMY_CXT ,aMY_CXT
4384
4385#else /* USE_ITHREADS */
4386
4387#define START_MY_CXT static my_cxt_t my_cxt;
4388#define dMY_CXT_SV dNOOP
4389#define dMY_CXT dNOOP
4390#define MY_CXT_INIT NOOP
8fba5d14 4391#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 4392#define MY_CXT my_cxt
4393
4394#define pMY_CXT void
4395#define pMY_CXT_
4396#define _pMY_CXT
4397#define aMY_CXT
4398#define aMY_CXT_
4399#define _aMY_CXT
4400
4401#endif /* !defined(USE_ITHREADS) */
4402
9a34ef1d
GS		 4403#ifdef I_FCNTL
4404# include <fcntl.h>
9a34ef1d
GS		 4405#endif
4406
9cffb111
OS		 4407#ifdef __Lynx__
4408# include <fcntl.h>
4409#endif
4410
9a34ef1d
GS		 4411#ifdef I_SYS_FILE
4412# include <sys/file.h>
4413#endif
4414
fa0a29af 4415#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4416int flock(int fd, int op);
4417#endif
4418
fe52b3b7
GS		 4419#ifndef O_RDONLY
4420/* Assume UNIX defaults */
4421# define O_RDONLY 0000
4422# define O_WRONLY 0001
4423# define O_RDWR 0002
4424# define O_CREAT 0100
4425#endif
9a34ef1d 4426
16fe6d59
GS		 4427#ifndef O_BINARY
4428# define O_BINARY 0
4429#endif
4430
4431#ifndef O_TEXT
4432# define O_TEXT 0
4433#endif
4434
6ce75a77
JH		 4435#if O_TEXT != O_BINARY
4436 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4437 * that is, you are somehow DOSish. */
538204d5 4438# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4439 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4440 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4441 /* VOS has O_TEXT != O_BINARY, and they have effect,
4442 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4443 /* If you have O_TEXT different from your O_BINARY but you still are
4444 * not a CRLF shop. */
35990314 4445# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4446# else
4447 /* If you really are DOSish. */
4448# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4449# endif
4450#endif
4451
104d25b7
JH		 4452#ifdef IAMSUID
4453
4454#ifdef I_SYS_STATVFS
9f982a77
IG		 4455# if defined(PERL_SCO) && !defined(_SVID3)
4456# define _SVID3
4457# endif
32b3cf08
JH		 4458# include <sys/statvfs.h> /* for f?statvfs() */
4459#endif
4460#ifdef I_SYS_MOUNT
4461# include <sys/mount.h> /* for *BSD f?statfs() */
4462#endif
4463#ifdef I_MNTENT
4464# include <mntent.h> /* for getmntent() */
104d25b7 4465#endif
0545a864
JH		 4466#ifdef I_SYS_STATFS
4467# include <sys/statfs.h> /* for some statfs() */
4468#endif
4469#ifdef I_SYS_VFS
8d9e1a19
GS		 4470# ifdef __sgi
4471# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4472# endif
4473# include <sys/vfs.h> /* for some statfs() */
4474# ifdef __sgi
4475# undef IRIX_sv
4476# endif
0545a864
JH		 4477#endif
4478#ifdef I_USTAT
4479# include <ustat.h> /* for ustat() */
4480#endif
4481
4482#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4483# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4484#endif
4485#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4486# define PERL_MOUNT_NOSUID MNT_NOSUID
4487#endif
4488#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4489# define PERL_MOUNT_NOSUID MS_NOSUID
4490#endif
4491#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4492# define PERL_MOUNT_NOSUID M_NOSUID
4493#endif
104d25b7 4494
ae3f3efd
PS		 4495#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
4496# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
4497#endif
4498#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
4499# define PERL_MOUNT_NOEXEC MNT_NOEXEC
4500#endif
4501#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
4502# define PERL_MOUNT_NOEXEC MS_NOEXEC
4503#endif
4504#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
4505# define PERL_MOUNT_NOEXEC M_NOEXEC
4506#endif
4507
104d25b7
JH		 4508#endif /* IAMSUID */
4509
4bc88a62
PS		 4510#ifdef I_LIBUTIL
4511# include <libutil.h> /* setproctitle() in some FreeBSDs */
4512#endif
4513
b4748376
NIS		 4514#ifndef EXEC_ARGV_CAST
4515#define EXEC_ARGV_CAST(x) x
4516#endif
4517
dd5dc04f
JH		 4518#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4519 int). value returned in pointed-
4520 to UV */
4521#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4522#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4523#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4524#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4525#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4526
4527#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4528
53305cf1
NC		 4529/* Input flags: */
4530#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4531#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4532#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4533/* Output flags: */
4534#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4535
2c4f7f0e
DM		 4536/* to let user control profiling */
4537#ifdef PERL_GPROF_CONTROL
4538extern void moncontrol(int);
4539#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4540#else
4541#define PERL_GPROF_MONCONTROL(x)
4542#endif
4543
ae0e3d3b
JH		 4544#ifdef UNDER_CE
4545#include "wince.h"
4546#endif
4547
4548/* ISO 6429 NEL - C1 control NExt Line */
4549/* See http://www.unicode.org/unicode/reports/tr13/ */
4550#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4551# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4552# define NEXT_LINE_CHAR 0x15
4553# else /* CDRA */
4554# define NEXT_LINE_CHAR 0x25
4555# endif
4556#else
4557# define NEXT_LINE_CHAR 0x85
4558#endif
4559
4560/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4561#define UNICODE_LINE_SEPA_0 0xE2
4562#define UNICODE_LINE_SEPA_1 0x80
4563#define UNICODE_LINE_SEPA_2 0xA8
4564#define UNICODE_PARA_SEPA_0 0xE2
4565#define UNICODE_PARA_SEPA_1 0x80
4566#define UNICODE_PARA_SEPA_2 0xA9
4567
479b2847
GS		 4568#ifndef PIPESOCK_MODE
4569# define PIPESOCK_MODE
4570#endif
4571
460c8493
IZ		 4572#ifndef SOCKET_OPEN_MODE
4573# define SOCKET_OPEN_MODE PIPESOCK_MODE
4574#endif
4575
4576#ifndef PIPE_OPEN_MODE
4577# define PIPE_OPEN_MODE PIPESOCK_MODE
4578#endif
4579
7e8c5dac
HS		 4580#define PERL_MAGIC_UTF8_CACHESIZE 2
4581
a05d7ebb
JH		 4582#define PERL_UNICODE_STDIN_FLAG 0x0001
4583#define PERL_UNICODE_STDOUT_FLAG 0x0002
4584#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4585#define PERL_UNICODE_IN_FLAG 0x0008
4586#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4587#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4588#define PERL_UNICODE_LOCALE_FLAG 0x0040
4589#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4590
06e66572
JH		 4591#define PERL_UNICODE_STD_FLAG \
4592 (PERL_UNICODE_STDIN_FLAG | \
4593 PERL_UNICODE_STDOUT_FLAG | \
4594 PERL_UNICODE_STDERR_FLAG)
4595
4596#define PERL_UNICODE_INOUT_FLAG \
4597 (PERL_UNICODE_IN_FLAG | \
4598 PERL_UNICODE_OUT_FLAG)
4599
4600#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4601 (PERL_UNICODE_STD_FLAG | \
4602 PERL_UNICODE_INOUT_FLAG | \
4603 PERL_UNICODE_LOCALE_FLAG)
4604
4605#define PERL_UNICODE_ALL_FLAGS 0x00ff
4606
4607#define PERL_UNICODE_STDIN 'I'
4608#define PERL_UNICODE_STDOUT 'O'
4609#define PERL_UNICODE_STDERR 'E'
4610#define PERL_UNICODE_STD 'S'
4611#define PERL_UNICODE_IN 'i'
4612#define PERL_UNICODE_OUT 'o'
4613#define PERL_UNICODE_INOUT 'D'
4614#define PERL_UNICODE_ARGV 'A'
4615#define PERL_UNICODE_LOCALE 'L'
4616#define PERL_UNICODE_WIDESYSCALLS 'W'
4617
4ffa73a3
JH		 4618#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4619
16bd9a85
JH		 4620/* From sigaction(2) (FreeBSD man page):
4621 * | Signal routines normally execute with the signal that
4622 * | caused their invocation blocked, but other signals may
4623 * | yet occur.
4624 * Emulation of this behavior (from within Perl) is enabled
4625 * by defining PERL_BLOCK_SIGNALS.
4626 */
4627#define PERL_BLOCK_SIGNALS
4628
4629#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4630# define PERL_BLOCKSIG_ADD(set,sig) \
4631 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4632# define PERL_BLOCKSIG_BLOCK(set) \
4633 sigprocmask(SIG_BLOCK, &(set), NULL)
4634# define PERL_BLOCKSIG_UNBLOCK(set) \
4635 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4636#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4637
4638/* How about the old style of sigblock()? */
4639
4640#ifndef PERL_BLOCKSIG_ADD
4641# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4642#endif
4643#ifndef PERL_BLOCKSIG_BLOCK
4644# define PERL_BLOCKSIG_BLOCK(set) NOOP
4645#endif
2bfba5f0 4646#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4647# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4648#endif
4649
32fdb065 4650/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4651 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4652#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4653
4d8076ea 4654/* and finally... */
cceca5ed 4655#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4656#include "patchlevel.h"
cceca5ed 4657#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4658
43999f95 4659/* Mention
d460ef45 4660
43999f95 4661 NV_PRESERVES_UV
fe749a9f 4662
fe749a9f
JH		 4663 HAS_MKSTEMP
4664 HAS_MKSTEMPS
4665 HAS_MKDTEMP
4666
49dabb45
JH		 4667 HAS_GETCWD
4668
d59b5429 4669 HAS_MMAP
fe749a9f
JH		 4670 HAS_MPROTECT
4671 HAS_MSYNC
1e8c3fde 4672 HAS_MADVISE
fe749a9f
JH		 4673 HAS_MUNMAP
4674 I_SYSMMAN
4675 Mmap_t
4676
6b4667fc
A		 4677 NVef
4678 NVff
4679 NVgf
4680
4e0554ec 4681 HAS_UALARM
2d736872 4682 HAS_USLEEP
4e0554ec
JH		 4683
4684 HAS_SETITIMER
4685 HAS_GETITIMER
4686
4687 HAS_SENDMSG
4688 HAS_RECVMSG
4689 HAS_READV
4690 HAS_WRITEV
4691 I_SYSUIO
4692 HAS_STRUCT_MSGHDR
4693 HAS_STRUCT_CMSGHDR
4694
2765b840 4695 HAS_NL_LANGINFO
0a7020c9 4696
ae0e3d3b 4697 HAS_DIRFD
2765b840 4698
43999f95
JH		 4699 so that Configure picks them up. */
4700
85e6fe83 4701#endif /* Include guard */
ae0e3d3b 4702
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