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Re: Storable Error
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2
JH		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, 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
66a93824
NIS		 452/* Cannot include embed.h here on Win32 as win32.h has not
453 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
454 */
96e176bf 455#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 456# include "embed.h"
457#endif
458
c31fac66
GS		 459#define MEM_SIZE Size_t
460
51371543
GS		 461#if defined(STANDARD_C) && defined(I_STDDEF)
462# include <stddef.h>
463# define STRUCT_OFFSET(s,m) offsetof(s,m)
464#else
465# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
466#endif
467
468#if defined(I_STRING) || defined(__cplusplus)
469# include <string.h>
470#else
471# include <strings.h>
472#endif
473
55497cff 474/* This comes after <stdlib.h> so we don't try to change the standard
475 * library prototypes; we'll use our own in proto.h instead. */
03a14243 476
4633a7c4 477#ifdef MYMALLOC
86058a2d 478# ifdef PERL_POLLUTE_MALLOC
ee13e175 479# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 480# define Perl_malloc malloc
481# define Perl_calloc calloc
482# define Perl_realloc realloc
483# define Perl_mfree free
ee13e175 484# endif
86058a2d
GS		 485# else
486# define EMBEDMYMALLOC /* for compatibility */
487# endif
827e134a 488
651b9576
GS		 489# define safemalloc Perl_malloc
490# define safecalloc Perl_calloc
491# define saferealloc Perl_realloc
492# define safefree Perl_mfree
22f7c9c9
JH		 493# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
494 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
495 code; \
496 } STMT_END
497# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
498 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
499# define panic_write2(s) write(2, s, strlen(s))
500# define CHECK_MALLOC_TAINT(newval) \
501 CHECK_MALLOC_TOO_LATE_FOR_( \
502 if (newval) { \
503 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
504 exit(1); })
22f7c9c9 505# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 506 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 507 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
508 }} STMT_END;
f2517201
GS		 509#else /* MYMALLOC */
510# define safemalloc safesysmalloc
511# define safecalloc safesyscalloc
512# define saferealloc safesysrealloc
513# define safefree safesysfree
22f7c9c9
JH		 514# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
515# define CHECK_MALLOC_TAINT(newval) ((void)0)
516# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 517#endif /* MYMALLOC */
4633a7c4 518
22f7c9c9
JH		 519#define TOO_LATE_FOR_(ch,s) Perl_croak(aTHX_ "Too late for \"-%c\" option%s", (char)(ch), s)
520#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
521#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
522#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
523
a0d0e21e
LW		 524#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
525#define strchr index
526#define strrchr rindex
527#endif
528
16d20bd9
AD		 529#ifdef I_MEMORY
530# include <memory.h>
531#endif
532
fe14fcc3 533#ifdef HAS_MEMCPY
85e6fe83 534# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 535# ifndef memcpy
20ce7b12 536 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 537# endif
538# endif
539#else
540# ifndef memcpy
541# ifdef HAS_BCOPY
542# define memcpy(d,s,l) bcopy(s,d,l)
543# else
544# define memcpy(d,s,l) my_bcopy(s,d,l)
545# endif
546# endif
547#endif /* HAS_MEMCPY */
fe14fcc3 548
ee0007ab 549#ifdef HAS_MEMSET
85e6fe83 550# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 551# ifndef memset
20ce7b12 552 extern char *memset (char*, int, int);
ee0007ab
LW		 553# endif
554# endif
ee0007ab 555#else
12ae5dfc 556# undef memset
fc36a67e 557# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 558#endif /* HAS_MEMSET */
559
85e6fe83 560#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 561# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 562# define memmove(d,s,l) bcopy(s,d,l)
563# else
2304df62 564# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 565# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 566# else
79072805 567# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 568# endif
352d5a3a 569# endif
d9d8d8de 570#endif
ee0007ab 571
36477c24 572#if defined(mips) && defined(ultrix) && !defined(__STDC__)
573# undef HAS_MEMCMP
574#endif
575
576#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 577# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 578# ifndef memcmp
20ce7b12 579 extern int memcmp (char*, char*, int);
ee0007ab
LW		 580# endif
581# endif
36477c24 582# ifdef BUGGY_MSC
7e4e8c89 583# pragma function(memcmp)
36477c24 584# endif
ee0007ab
LW		 585#else
586# ifndef memcmp
ecfc5424 587# define memcmp my_memcmp
352d5a3a 588# endif
36477c24 589#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 590
fc36a67e 591#ifndef memzero
c635e13b 592# ifdef HAS_MEMSET
593# define memzero(d,l) memset(d,0,l)
79072805 594# else
c635e13b 595# ifdef HAS_BZERO
596# define memzero(d,l) bzero(d,l)
79072805 597# else
fc36a67e 598# define memzero(d,l) my_bzero(d,l)
79072805
LW		 599# endif
600# endif
d9d8d8de 601#endif
378cc40b 602
2f42fcb0 603#ifndef PERL_MICRO
0f27ced1
JH		 604#ifndef memchr
605# ifndef HAS_MEMCHR
606# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
607# endif
608#endif
2f42fcb0 609#endif
0f27ced1 610
36477c24 611#ifndef HAS_BCMP
612# ifndef bcmp
613# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 614# endif
36477c24 615#endif /* !HAS_BCMP */
378cc40b 616
ae986130 617#ifdef I_NETINET_IN
79072805 618# include <netinet/in.h>
ae986130
LW		 619#endif
620
28e8609d
JH		 621#ifdef I_ARPA_INET
622# include <arpa/inet.h>
623#endif
624
84902520
TB		 625#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
626/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
627 * (the neo-BSD seem to do this). */
628# undef SF_APPEND
629#endif
630
1aef975c 631#ifdef I_SYS_STAT
84902520 632# include <sys/stat.h>
1aef975c 633#endif
79072805 634
a0d0e21e
LW		 635/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
636 like UTekV) are broken, sometimes giving false positives. Undefine
637 them here and let the code below set them to proper values.
638
639 The ghs macro stands for GreenHills Software C-1.8.5 which
640 is the C compiler for sysV88 and the various derivatives.
641 This header file bug is corrected in gcc-2.5.8 and later versions.
642 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
643
644#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 645# undef S_ISDIR
646# undef S_ISCHR
647# undef S_ISBLK
648# undef S_ISREG
649# undef S_ISFIFO
650# undef S_ISLNK
ee0007ab 651#endif
135863df 652
663a0e37
LW		 653#ifdef I_TIME
654# include <time.h>
ffed7fef 655#endif
663a0e37 656
fe14fcc3 657#ifdef I_SYS_TIME
85e6fe83 658# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 659# define KERNEL
660# endif
661# include <sys/time.h>
85e6fe83 662# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 663# undef KERNEL
664# endif
a687059c 665#endif
135863df 666
55497cff 667#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 668# include <sys/times.h>
d9d8d8de 669#endif
8d063cd8 670
fe14fcc3 671#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 672# undef HAS_STRERROR
663a0e37
LW		 673#endif
674
675#include <errno.h>
1e743fda 676
acfe0abc 677#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 678# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
679#endif
680
8cfab5ff
JH		 681/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
682 * This is important for using IPv6.
683 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
684 * a bad idea since it breaks send() and recv(). */
685#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
686# define _SOCKADDR_LEN
687#endif
688
8d3f517a 689#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 690# include <sys/socket.h>
691# if defined(USE_SOCKS) && defined(I_SOCKS)
692# if !defined(INCLUDE_PROTOTYPES)
693# define INCLUDE_PROTOTYPES /* for <socks.h> */
694# define PERL_SOCKS_NEED_PROTOTYPES
695# endif
696# include <socks.h>
697# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
698# undef INCLUDE_PROTOTYPES
699# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 700# endif
d460ef45 701# endif
1e743fda 702# ifdef I_NETDB
2986a63f
JH		 703# ifdef NETWARE
704# include<stdio.h>
705# endif
1e743fda
JH		 706# include <netdb.h>
707# endif
708# ifndef ENOTSOCK
709# ifdef I_NET_ERRNO
710# include <net/errno.h>
711# endif
712# endif
713#endif
714
fa0a29af 715/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 716 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
717 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 718#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 719# if defined(__THROW) && defined(__GLIBC__)
720int sockatmark(int) __THROW;
721# else
2ef53570 722int sockatmark(int);
29820b6d 723# endif
2ef53570
JH		 724#endif
725
1e743fda
JH		 726#ifdef SETERRNO
727# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 728#endif
f86702cc 729
730#ifdef VMS
731# define SETERRNO(errcode,vmserrcode) \
732 STMT_START { \
733 set_errno(errcode); \
734 set_vaxc_errno(vmserrcode); \
735 } STMT_END
93189314
JH		 736# define LIB_INVARG LIB$_INVARG
737# define RMS_DIR RMS$_DIR
738# define RMS_FAC RMS$_FAC
739# define RMS_FEX RMS$_FEX
740# define RMS_FNF RMS$_FNF
741# define RMS_IFI RMS$_IFI
742# define RMS_ISI RMS$_ISI
743# define RMS_PRV RMS$_PRV
744# define SS_ACCVIO SS$_ACCVIO
745# define SS_DEVOFFLINE SS$_DEVOFFLINE
746# define SS_IVCHAN SS$_IVCHAN
747# define SS_NORMAL SS$_NORMAL
748a9306 748#else
aba27d88 749# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 750# define LIB_INVARG 0
751# define RMS_DIR 0
752# define RMS_FAC 0
753# define RMS_FEX 0
754# define RMS_FNF 0
755# define RMS_IFI 0
756# define RMS_ISI 0
757# define RMS_PRV 0
758# define SS_ACCVIO 0
759# define SS_DEVOFFLINE 0
760# define SS_IVCHAN 0
761# define SS_NORMAL 0
748a9306 762#endif
ed6116ce 763
3db8f154
MB		 764#define ERRSV GvSV(PL_errgv)
765#define DEFSV GvSV(PL_defgv)
766#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 767
98eae8f5
GS		 768#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
769
55497cff 770#ifndef errno
5ff3f7a4
GS		 771 extern int errno; /* ANSI allows errno to be an lvalue expr.
772 * For example in multithreaded environments
773 * something like this might happen:
774 * extern int *_errno(void);
775 * #define errno (*_errno()) */
d9d8d8de 776#endif
663a0e37 777
2304df62 778#ifdef HAS_STRERROR
a0d0e21e 779# ifdef VMS
20ce7b12 780 char *strerror (int,...);
a0d0e21e 781# else
68dc0745 782#ifndef DONT_DECLARE_STD
20ce7b12 783 char *strerror (int);
68dc0745 784#endif
a0d0e21e 785# endif
2304df62
AD		 786# ifndef Strerror
787# define Strerror strerror
788# endif
789#else
790# ifdef HAS_SYS_ERRLIST
79072805
LW		 791 extern int sys_nerr;
792 extern char *sys_errlist[];
2304df62
AD		 793# ifndef Strerror
794# define Strerror(e) \
79072805 795 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 796# endif
79072805 797# endif
35c8bce7 798#endif
663a0e37 799
2304df62 800#ifdef I_SYS_IOCTL
79072805
LW		 801# ifndef _IOCTL_
802# include <sys/ioctl.h>
803# endif
a687059c
LW		 804#endif
805
ee0007ab 806#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 807# ifdef HAS_SOCKETPAIR
808# undef HAS_SOCKETPAIR
809# endif
2304df62
AD		 810# ifdef I_NDBM
811# undef I_NDBM
79072805 812# endif
a687059c
LW		 813#endif
814
02fc2eee
NC		 815#ifndef HAS_SOCKETPAIR
816# ifdef HAS_SOCKET
817# define socketpair Perl_my_socketpair
818# endif
819#endif
820
a687059c 821#if INTSIZE == 2
79072805
LW		 822# define htoni htons
823# define ntohi ntohs
a687059c 824#else
79072805
LW		 825# define htoni htonl
826# define ntohi ntohl
a687059c
LW		 827#endif
828
a0d0e21e 829/* Configure already sets Direntry_t */
35c8bce7 830#if defined(I_DIRENT)
663a0e37 831# include <dirent.h>
8f1f23e8
W		 832 /* NeXT needs dirent + sys/dir.h */
833# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 834# include <sys/dir.h>
835# endif
ae986130 836#else
fe14fcc3 837# ifdef I_SYS_NDIR
79a0689e 838# include <sys/ndir.h>
663a0e37 839# else
fe14fcc3 840# ifdef I_SYS_DIR
79a0689e
LW		 841# ifdef hp9000s500
842# include <ndir.h> /* may be wrong in the future */
843# else
844# include <sys/dir.h>
845# endif
663a0e37
LW		 846# endif
847# endif
4633a7c4 848#endif
a687059c 849
12ae5dfc
JH		 850#ifdef PERL_MICRO
851# ifndef DIR
852# define DIR void
853# endif
854#endif
855
352d5a3a
LW		 856#ifdef FPUTS_BOTCH
857/* work around botch in SunOS 4.0.1 and 4.0.2 */
858# ifndef fputs
79072805 859# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 860# endif
861#endif
862
c623bd54
LW		 863/*
864 * The following gobbledygook brought to you on behalf of __STDC__.
865 * (I could just use #ifndef __STDC__, but this is more bulletproof
866 * in the face of half-implementations.)
867 */
868
7114a2d2 869#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 870#include <sys/mode.h>
871#endif
872
c623bd54
LW		 873#ifndef S_IFMT
874# ifdef _S_IFMT
875# define S_IFMT _S_IFMT
876# else
877# define S_IFMT 0170000
878# endif
879#endif
880
881#ifndef S_ISDIR
882# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
883#endif
884
885#ifndef S_ISCHR
886# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
887#endif
888
889#ifndef S_ISBLK
fe14fcc3
LW		 890# ifdef S_IFBLK
891# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
892# else
893# define S_ISBLK(m) (0)
894# endif
c623bd54
LW		 895#endif
896
897#ifndef S_ISREG
898# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
899#endif
900
901#ifndef S_ISFIFO
fe14fcc3
LW		 902# ifdef S_IFIFO
903# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
904# else
905# define S_ISFIFO(m) (0)
906# endif
c623bd54
LW		 907#endif
908
909#ifndef S_ISLNK
910# ifdef _S_ISLNK
911# define S_ISLNK(m) _S_ISLNK(m)
912# else
913# ifdef _S_IFLNK
914# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
915# else
916# ifdef S_IFLNK
917# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
918# else
919# define S_ISLNK(m) (0)
920# endif
921# endif
922# endif
923#endif
924
925#ifndef S_ISSOCK
926# ifdef _S_ISSOCK
927# define S_ISSOCK(m) _S_ISSOCK(m)
928# else
929# ifdef _S_IFSOCK
930# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
931# else
932# ifdef S_IFSOCK
933# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
934# else
935# define S_ISSOCK(m) (0)
936# endif
937# endif
938# endif
939#endif
940
941#ifndef S_IRUSR
942# ifdef S_IREAD
943# define S_IRUSR S_IREAD
944# define S_IWUSR S_IWRITE
945# define S_IXUSR S_IEXEC
946# else
947# define S_IRUSR 0400
948# define S_IWUSR 0200
949# define S_IXUSR 0100
950# endif
fac7cdfc
JS		 951#endif
952
953#ifndef S_IRGRP
954# ifdef S_IRUSR
955# define S_IRGRP (S_IRUSR>>3)
956# define S_IWGRP (S_IWUSR>>3)
957# define S_IXGRP (S_IXUSR>>3)
958# else
959# define S_IRGRP 0040
960# define S_IWGRP 0020
961# define S_IXGRP 0010
962# endif
963#endif
964
965#ifndef S_IROTH
966# ifdef S_IRUSR
967# define S_IROTH (S_IRUSR>>6)
968# define S_IWOTH (S_IWUSR>>6)
969# define S_IXOTH (S_IXUSR>>6)
970# else
971# define S_IROTH 0040
972# define S_IWOTH 0020
973# define S_IXOTH 0010
974# endif
c623bd54
LW		 975#endif
976
977#ifndef S_ISUID
978# define S_ISUID 04000
979#endif
980
981#ifndef S_ISGID
982# define S_ISGID 02000
983#endif
984
ca6e1c26
JH		 985#ifndef S_IRWXU
986# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 987#endif
ca6e1c26
JH		 988
989#ifndef S_IRWXG
990# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 991#endif
ca6e1c26
JH		 992
993#ifndef S_IRWXO
994# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 995#endif
ca6e1c26 996
c21fb2b8
JH		 997/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
998 * which would get included through <sys/file.h >, but that is 3000
999 * lines in the future. --jhi */
1000
1001#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1002# define S_IREAD S_IRUSR
1003#endif
1004
c21fb2b8 1005#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1006# define S_IWRITE S_IWUSR
1007#endif
1008
1009#ifndef S_IEXEC
1010# define S_IEXEC S_IXUSR
1011#endif
1012
79072805
LW		 1013#ifdef ff_next
1014# undef ff_next
352d5a3a
LW		 1015#endif
1016
a0d0e21e 1017#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1018# define SLOPPYDIVIDE
1019#endif
1020
748a9306
LW		 1021#ifdef UV
1022#undef UV
1023#endif
1024
c89df6bf
JH		 1025#ifdef SPRINTF_E_BUG
1026# define sprintf UTS_sprintf_wrap
1027#endif
1028
c495e728
JH		 1029/* Configure gets this right but the UTS compiler gets it wrong.
1030 -- Hal Morris <hom00@utsglobal.com> */
1031#ifdef UTS
1032# undef UVTYPE
1033# define UVTYPE unsigned
1034#endif
1035
05f13f53 1036/*
27d4fb96 1037 The IV type is supposed to be long enough to hold any integral
1038 value or a pointer.
1039 --Andy Dougherty August 1996
1040*/
1041
a22e52b9
JH		 1042typedef IVTYPE IV;
1043typedef UVTYPE UV;
8175356b 1044
10cc9d2a 1045#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1046# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1047# define IV_MAX INT64_MAX
1048# define IV_MIN INT64_MIN
1049# define UV_MAX UINT64_MAX
cae7ae48
JH		 1050# ifndef UINT64_MIN
1051# define UINT64_MIN 0
1052# endif
5ff3f7a4
GS		 1053# define UV_MIN UINT64_MIN
1054# else
1055# define IV_MAX PERL_QUAD_MAX
1056# define IV_MIN PERL_QUAD_MIN
1057# define UV_MAX PERL_UQUAD_MAX
1058# define UV_MIN PERL_UQUAD_MIN
1059# endif
cf2093f6
JH		 1060# define IV_IS_QUAD
1061# define UV_IS_QUAD
79072805 1062#else
8175356b 1063# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1064# define IV_MAX INT32_MAX
1065# define IV_MIN INT32_MIN
716026f9
DL		 1066# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1067# define UV_MAX UINT32_MAX
1068# else
1069# define UV_MAX 4294967295U
1070# endif
cae7ae48
JH		 1071# ifndef UINT32_MIN
1072# define UINT32_MIN 0
1073# endif
5ff3f7a4
GS		 1074# define UV_MIN UINT32_MIN
1075# else
1076# define IV_MAX PERL_LONG_MAX
1077# define IV_MIN PERL_LONG_MIN
1078# define UV_MAX PERL_ULONG_MAX
1079# define UV_MIN PERL_ULONG_MIN
1080# endif
8175356b 1081# if IVSIZE == 8
cf2093f6
JH		 1082# define IV_IS_QUAD
1083# define UV_IS_QUAD
de1c2614
JH		 1084# ifndef HAS_QUAD
1085# define HAS_QUAD
1086# endif
cf2093f6
JH		 1087# else
1088# undef IV_IS_QUAD
1089# undef UV_IS_QUAD
de1c2614 1090# undef HAS_QUAD
cf2093f6 1091# endif
79072805 1092#endif
d7d93a81 1093
6cde8aec 1094#if defined(uts) || defined(UTS)
11afe549
HM		 1095# undef UV_MAX
1096# define UV_MAX (4294967295u)
20601011
JH		 1097#endif
1098
cae7ae48 1099#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1100#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1101
28e5dec8 1102#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1103#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1104#endif
1105
d460ef45 1106/*
26bb67e2
JH		 1107 * The macros INT2PTR and NUM2PTR are (despite their names)
1108 * bi-directional: they will convert int/float to or from pointers.
1109 * However the conversion to int/float are named explicitly:
1110 * PTR2IV, PTR2UV, PTR2NV.
1111 *
1112 * For int conversions we do not need two casts if pointers are
1113 * the same size as IV and UV. Otherwise we need an explicit
1114 * cast (PTRV) to avoid compiler warnings.
1115 */
56431972
RB		 1116#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1117# define PTRV UV
1118# define INT2PTR(any,d) (any)(d)
1119#else
d460ef45 1120# if PTRSIZE == LONGSIZE
56431972 1121# define PTRV unsigned long
42718184 1122# else
56431972 1123# define PTRV unsigned
42718184 1124# endif
56431972 1125# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1126#endif
56431972
RB		 1127#define NUM2PTR(any,d) (any)(PTRV)(d)
1128#define PTR2IV(p) INT2PTR(IV,p)
1129#define PTR2UV(p) INT2PTR(UV,p)
1130#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1131#if PTRSIZE == LONGSIZE
d2560b70
RB		 1132# define PTR2ul(p) (unsigned long)(p)
1133#else
1134# define PTR2ul(p) INT2PTR(unsigned long,p)
1135#endif
d460ef45 1136
65202027 1137#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1138# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1139# define LONG_DOUBLE_EQUALS_DOUBLE
1140# endif
68d4903c 1141# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1142# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1143# endif
1144#endif
1145
2d4389e4
JH		 1146#ifdef OVR_DBL_DIG
1147/* Use an overridden DBL_DIG */
1148# ifdef DBL_DIG
1149# undef DBL_DIG
1150# endif
1151# define DBL_DIG OVR_DBL_DIG
1152#else
1153/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1154 default value for printing floating point numbers in Gconvert
1155 (see config.h). (It also has other uses, such as figuring out if
1156 a given precision of printing can be done with a double instead of
1157 a long double - Allen).
2d4389e4
JH		 1158*/
1159#ifdef I_LIMITS
1160#include <limits.h>
1161#endif
1162#ifdef I_FLOAT
1163#include <float.h>
1164#endif
1165#ifndef HAS_DBL_DIG
1166#define DBL_DIG 15 /* A guess that works lots of places */
1167#endif
1168#endif
cbca01e1
JH		 1169#ifdef I_FLOAT
1170#include <float.h>
1171#endif
1172#ifndef HAS_DBL_DIG
1173#define DBL_DIG 15 /* A guess that works lots of places */
1174#endif
2d4389e4
JH		 1175
1176#ifdef OVR_LDBL_DIG
1177/* Use an overridden LDBL_DIG */
1178# ifdef LDBL_DIG
1179# undef LDBL_DIG
1180# endif
1181# define LDBL_DIG OVR_LDBL_DIG
1182#else
1183/* The following is all to get LDBL_DIG, in order to pick a nice
1184 default value for printing floating point numbers in Gconvert.
1185 (see config.h)
1186*/
68d4903c
JH		 1187# ifdef I_LIMITS
1188# include <limits.h>
1189# endif
1190# ifdef I_FLOAT
1191# include <float.h>
1192# endif
1193# ifndef HAS_LDBL_DIG
1194# if LONG_DOUBLESIZE == 10
1195# define LDBL_DIG 18 /* assume IEEE */
1196# else
1197# if LONG_DOUBLESIZE == 12
1198# define LDBL_DIG 18 /* gcc? */
1199# else
1200# if LONG_DOUBLESIZE == 16
1201# define LDBL_DIG 33 /* assume IEEE */
1202# else
1203# if LONG_DOUBLESIZE == DOUBLESIZE
1204# define LDBL_DIG DBL_DIG /* bummer */
1205# endif
1206# endif
1207# endif
1208# endif
1209# endif
2d4389e4
JH		 1210#endif
1211
20f6aaab
AS		 1212/*
1213 * This is for making sure we have a good DBL_MAX value, if possible,
1214 * either for usage as NV_MAX or for usage in figuring out if we can
1215 * fit a given long double into a double, if bug-fixing makes it
1216 * necessary to do so. - Allen <allens@cpan.org>
1217 */
1218
205f51d8
AS		 1219#ifdef I_LIMITS
1220# include <limits.h>
20f6aaab
AS		 1221#endif
1222
205f51d8
AS		 1223#ifdef I_VALUES
1224# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1225# include <values.h>
1226# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1227# define DBL_MAX MAXDOUBLE
1228# endif
1229# if defined(MINDOUBLE) && !defined(DBL_MIN)
1230# define DBL_MIN MINDOUBLE
1231# endif
1232# endif
1233#endif /* defined(I_VALUES) */
1234
a22e52b9 1235typedef NVTYPE NV;
8175356b 1236
792d8dab
JH		 1237#ifdef I_IEEEFP
1238# include <ieeefp.h>
1239#endif
923fc586 1240
65202027 1241#ifdef USE_LONG_DOUBLE
923fc586
JH		 1242# ifdef I_SUNMATH
1243# include <sunmath.h>
1244# endif
2d4389e4 1245# define NV_DIG LDBL_DIG
d6c14000
JH		 1246# ifdef LDBL_MANT_DIG
1247# define NV_MANT_DIG LDBL_MANT_DIG
1248# endif
06fc1729
JH		 1249# ifdef LDBL_MIN
1250# define NV_MIN LDBL_MIN
1251# endif
1252# ifdef LDBL_MAX
1253# define NV_MAX LDBL_MAX
1254# endif
1255# ifdef LDBL_MIN_10_EXP
1256# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1257# endif
1258# ifdef LDBL_MAX_10_EXP
1259# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1260# endif
1261# ifdef LDBL_EPSILON
1262# define NV_EPSILON LDBL_EPSILON
1263# endif
f4a14a62
JH		 1264# ifdef LDBL_MAX
1265# define NV_MAX LDBL_MAX
20f6aaab 1266/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1267# else
1268# ifdef HUGE_VALL
1269# define NV_MAX HUGE_VALL
1270# else
1271# ifdef HUGE_VAL
1272# define NV_MAX ((NV)HUGE_VAL)
1273# endif
1274# endif
1275# endif
68d4903c 1276# ifdef HAS_SQRTL
68d4903c
JH		 1277# define Perl_cos cosl
1278# define Perl_sin sinl
1279# define Perl_sqrt sqrtl
1280# define Perl_exp expl
1281# define Perl_log logl
1282# define Perl_atan2 atan2l
1283# define Perl_pow powl
1284# define Perl_floor floorl
1285# define Perl_fmod fmodl
1286# endif
a3540c92
JH		 1287/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1288# ifdef HAS_MODFL
1289# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1290/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1291 prototype in <math.h> */
1292# ifndef HAS_MODFL_PROTO
1293long double modfl(long double, long double *);
1294# endif
03476e8e
JH		 1295# else
1296# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1297 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1298# define Perl_modf(x,y) Perl_my_modfl(x,y)
1299# endif
a3540c92
JH		 1300# endif
1301# ifdef HAS_FREXPL
dff3e0b8 1302# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1303# else
1304# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1305 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1306# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1307# endif
a3540c92 1308# endif
38dbb4c5 1309# ifndef Perl_isnan
758a5d79
JH		 1310# ifdef HAS_ISNANL
1311# define Perl_isnan(x) isnanl(x)
1312# endif
1313# endif
1314# ifndef Perl_isinf
1315# ifdef HAS_FINITEL
1316# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1317# endif
1318# endif
65202027 1319#else
2d4389e4 1320# define NV_DIG DBL_DIG
d6c14000
JH		 1321# ifdef DBL_MANT_DIG
1322# define NV_MANT_DIG DBL_MANT_DIG
1323# endif
06fc1729
JH		 1324# ifdef DBL_MIN
1325# define NV_MIN DBL_MIN
1326# endif
1327# ifdef DBL_MAX
1328# define NV_MAX DBL_MAX
1329# endif
1330# ifdef DBL_MIN_10_EXP
1331# define NV_MIN_10_EXP DBL_MIN_10_EXP
1332# endif
1333# ifdef DBL_MAX_10_EXP
1334# define NV_MAX_10_EXP DBL_MAX_10_EXP
1335# endif
1336# ifdef DBL_EPSILON
1337# define NV_EPSILON DBL_EPSILON
1338# endif
205f51d8 1339# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1340# define NV_MAX DBL_MAX
1341# define NV_MIN DBL_MIN
1342# else
1343# ifdef HUGE_VAL
1344# define NV_MAX HUGE_VAL
1345# endif
1346# endif
65202027
DS		 1347# define Perl_cos cos
1348# define Perl_sin sin
1349# define Perl_sqrt sqrt
1350# define Perl_exp exp
1351# define Perl_log log
1352# define Perl_atan2 atan2
1353# define Perl_pow pow
1354# define Perl_floor floor
65202027 1355# define Perl_fmod fmod
a3540c92 1356# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1357# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1358#endif
1359
1360/* rumor has it that Win32 has _fpclass() */
1361
205f51d8
AS		 1362/* SGI has fpclassl... but not with the same result values,
1363 * and it's via a typedef (not via #define), so will need to redo Configure
1364 * to use. Not worth the trouble, IMO, at least until the below is used
1365 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1366 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1367 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1368
758a5d79
JH		 1369#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1370# ifdef I_IEEFP
1371# include <ieeefp.h>
1372# endif
1373# ifdef I_FP
1374# include <fp.h>
1375# endif
1376# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1377# define Perl_fp_class() fpclassl(x)
1378# else
1379# define Perl_fp_class() fpclass(x)
1380# endif
1381# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1382# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1383# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1384# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1385# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1386# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1387# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1388# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1389# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1390# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1391# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1392# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1393# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1394# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1395# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1396#endif
1397
7114a2d2 1398#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1399# include <math.h>
1400# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1401# include <fp_class.h>
1402# endif
1403# define Perl_fp_class(x) fp_class(x)
1404# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1405# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1406# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1407# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1408# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1409# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1410# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1411# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1412# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1413# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1414# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1415# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1416# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1417# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1418# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1419#endif
1420
1421#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1422# include <math.h>
1423# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1424# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1425# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1426# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1427# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1428# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1429#endif
1430
1431#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1432# include <math.h>
1433# ifndef _cplusplus
1434# define Perl_fp_class(x) class(x)
1435# else
1436# define Perl_fp_class(x) _class(x)
1437# endif
1438# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1439# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1440# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1441# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1442# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1443# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1444# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1445# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1446# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1447# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1448# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1449# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1450# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1451# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1452# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1453#endif
1454
1455/* rumor has it that Win32 has _isnan() */
1456
1457#ifndef Perl_isnan
a3540c92 1458# ifdef HAS_ISNAN
758a5d79
JH		 1459# define Perl_isnan(x) isnan((NV)x)
1460# else
1461# ifdef Perl_fp_class_nan
1462# define Perl_isnan(x) Perl_fp_class_nan(x)
1463# else
1464# ifdef HAS_UNORDERED
1465# define Perl_isnan(x) unordered((x), 0.0)
1466# else
1467# define Perl_isnan(x) ((x)!=(x))
1468# endif
1469# endif
1470# endif
1471#endif
1472
ca6c63e1
JH		 1473#ifdef UNDER_CE
1474int isnan(double d);
1475#endif
1476
758a5d79
JH		 1477#ifndef Perl_isinf
1478# ifdef HAS_ISINF
1479# define Perl_isinf(x) isinf((NV)x)
a3540c92 1480# else
758a5d79
JH		 1481# ifdef Perl_fp_class_inf
1482# define Perl_isinf(x) Perl_fp_class_inf(x)
1483# else
1484# define Perl_isinf(x) ((x)==NV_INF)
1485# endif
1486# endif
1487#endif
1488
1489#ifndef Perl_isfinite
1490# ifdef HAS_FINITE
1491# define Perl_isfinite(x) finite((NV)x)
1492# else
1493# ifdef HAS_ISFINITE
1494# define Perl_isfinite(x) isfinite(x)
1495# else
1496# ifdef Perl_fp_class_finite
1497# define Perl_isfinite(x) Perl_fp_class_finite(x)
1498# else
1499# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1500# endif
1501# endif
a3540c92 1502# endif
65202027
DS		 1503#endif
1504
a36244b7
JH		 1505/* The default is to use Perl's own atof() implementation (in numeric.c).
1506 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1507 * it is however best to use the native implementation of atof.
1508 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1509 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1510 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1511 * you may need to be using a different function than atof! */
a36244b7
JH		 1512
1513#ifndef USE_PERL_ATOF
1514# ifndef _UNICOS
1515# define USE_PERL_ATOF
1516# endif
1517#else
1518# if USE_PERL_ATOF == 0
1519# undef USE_PERL_ATOF
1520# endif
1521#endif
1522
1523#ifdef USE_PERL_ATOF
1524# define Perl_atof(s) Perl_my_atof(s)
1525# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1526#else
1527# define Perl_atof(s) (NV)atof(s)
1528# define Perl_atof2(s, n) ((n) = atof(s))
1529#endif
cf2093f6 1530
d460ef45 1531/* Previously these definitions used hardcoded figures.
760ac839
LW		 1532 * It is hoped these formula are more portable, although
1533 * no data one way or another is presently known to me.
1534 * The "PERL_" names are used because these calculated constants
1535 * do not meet the ANSI requirements for LONG_MAX, etc., which
1536 * need to be constants acceptable to #if - kja
1537 * define PERL_LONG_MAX 2147483647L
1538 * define PERL_LONG_MIN (-LONG_MAX - 1)
1539 * define PERL ULONG_MAX 4294967295L
1540 */
1541
1542#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1543# include <limits.h>
760ac839 1544#endif
205f51d8
AS		 1545/* Included values.h above if necessary; still including limits.h down here,
1546 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1547
99abf803 1548/*
1549 * Try to figure out max and min values for the integral types. THE CORRECT
1550 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1551 * following hacks are used if neither limits.h or values.h provide them:
1552 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1553 * for types < int: (unsigned TYPE)~(unsigned)0
1554 * The argument to ~ must be unsigned so that later signed->unsigned
1555 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1556 * and it must not be smaller than int because ~ does integral promotion.
1557 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1558 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1559 * The latter is a hack which happens to work on some machines but
1560 * does *not* catch any random system, or things like integer types
1561 * with NaN if that is possible.
1562 *
1563 * All of the types are explicitly cast to prevent accidental loss of
1564 * numeric range, and in the hope that they will be less likely to confuse
1565 * over-eager optimizers.
1566 *
1567 */
27d4fb96 1568
99abf803 1569#define PERL_UCHAR_MIN ((unsigned char)0)
1570
1571#ifdef UCHAR_MAX
1572# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1573#else
99abf803 1574# ifdef MAXUCHAR
1575# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1576# else
99abf803 1577# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1578# endif
1579#endif
d460ef45 1580
99abf803 1581/*
1582 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1583 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1584 * depending on local options. Until Configure detects this (or at least
1585 * detects whether the "signed" keyword is available) the CHAR ranges
1586 * will not be included. UCHAR functions normally.
1587 * - kja
1588 */
27d4fb96 1589
99abf803 1590#define PERL_USHORT_MIN ((unsigned short)0)
1591
1592#ifdef USHORT_MAX
1593# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1594#else
99abf803 1595# ifdef MAXUSHORT
1596# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1597# else
ef2f54b0
CB		 1598# ifdef USHRT_MAX
1599# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1600# else
1601# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1602# endif
27d4fb96 1603# endif
1604#endif
1605
27d4fb96 1606#ifdef SHORT_MAX
99abf803 1607# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1608#else
1609# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1610# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1611# else
ef2f54b0
CB		 1612# ifdef SHRT_MAX
1613# define PERL_SHORT_MAX ((short)SHRT_MAX)
1614# else
1615# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1616# endif
27d4fb96 1617# endif
1618#endif
1619
1620#ifdef SHORT_MIN
99abf803 1621# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1622#else
1623# ifdef MINSHORT
99abf803 1624# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1625# else
ef2f54b0
CB		 1626# ifdef SHRT_MIN
1627# define PERL_SHORT_MIN ((short)SHRT_MIN)
1628# else
1629# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1630# endif
27d4fb96 1631# endif
1632#endif
1633
99abf803 1634#ifdef UINT_MAX
1635# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1636#else
99abf803 1637# ifdef MAXUINT
1638# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1639# else
99abf803 1640# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1641# endif
1642#endif
1643
99abf803 1644#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1645
1646#ifdef INT_MAX
99abf803 1647# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1648#else
1649# ifdef MAXINT /* Often used in <values.h> */
99abf803 1650# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1651# else
99abf803 1652# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1653# endif
1654#endif
1655
1656#ifdef INT_MIN
99abf803 1657# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1658#else
1659# ifdef MININT
99abf803 1660# define PERL_INT_MIN ((int)MININT)
27d4fb96 1661# else
1662# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1663# endif
1664#endif
1665
99abf803 1666#ifdef ULONG_MAX
1667# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1668#else
99abf803 1669# ifdef MAXULONG
1670# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1671# else
99abf803 1672# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1673# endif
1674#endif
1675
99abf803 1676#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1677
760ac839 1678#ifdef LONG_MAX
99abf803 1679# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1680#else
1681# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1682# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1683# else
99abf803 1684# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1685# endif
1686#endif
1687
1688#ifdef LONG_MIN
99abf803 1689# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1690#else
1691# ifdef MINLONG
99abf803 1692# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1693# else
27d4fb96 1694# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1695# endif
1696#endif
1697
d7d93a81 1698#ifdef UV_IS_QUAD
99abf803 1699
99abf803 1700# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1701# define PERL_UQUAD_MIN ((UV)0)
99abf803 1702# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1703# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1704
79072805
LW		 1705#endif
1706
22f7c9c9
JH		 1707#ifdef MYMALLOC
1708# include "malloc_ctl.h"
1709#endif
1710
830247a4 1711struct RExC_state_t;
880b20b6 1712
ee0007ab 1713typedef MEM_SIZE STRLEN;
450a55e4 1714
79072805
LW		 1715typedef struct op OP;
1716typedef struct cop COP;
1717typedef struct unop UNOP;
1718typedef struct binop BINOP;
1719typedef struct listop LISTOP;
1720typedef struct logop LOGOP;
79072805
LW		 1721typedef struct pmop PMOP;
1722typedef struct svop SVOP;
7934575e 1723typedef struct padop PADOP;
79072805 1724typedef struct pvop PVOP;
79072805
LW		 1725typedef struct loop LOOP;
1726
93a17b20 1727typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1728
1729/* Amdahl's <ksync.h> has struct sv */
1730/* SGI's <sys/sema.h> has struct sv */
1731#if defined(UTS) || defined(__sgi)
1732# define STRUCT_SV perl_sv
b8d3c5db
JH		 1733#else
1734# define STRUCT_SV sv
1735#endif
1736typedef struct STRUCT_SV SV;
79072805
LW		 1737typedef struct av AV;
1738typedef struct hv HV;
1739typedef struct cv CV;
378cc40b 1740typedef struct regexp REGEXP;
79072805 1741typedef struct gp GP;
0c30d9ec 1742typedef struct gv GV;
8990e307 1743typedef struct io IO;
c09156bb 1744typedef struct context PERL_CONTEXT;
79072805
LW		 1745typedef struct block BLOCK;
1746
1747typedef struct magic MAGIC;
ed6116ce 1748typedef struct xrv XRV;
79072805
LW		 1749typedef struct xpv XPV;
1750typedef struct xpviv XPVIV;
ff68c719 1751typedef struct xpvuv XPVUV;
79072805
LW		 1752typedef struct xpvnv XPVNV;
1753typedef struct xpvmg XPVMG;
1754typedef struct xpvlv XPVLV;
1755typedef struct xpvav XPVAV;
1756typedef struct xpvhv XPVHV;
1757typedef struct xpvgv XPVGV;
1758typedef struct xpvcv XPVCV;
1759typedef struct xpvbm XPVBM;
1760typedef struct xpvfm XPVFM;
8990e307 1761typedef struct xpvio XPVIO;
79072805
LW		 1762typedef struct mgvtbl MGVTBL;
1763typedef union any ANY;
5f7fde29
GS		 1764typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1765typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1766typedef struct clone_params CLONE_PARAMS;
1767
8d063cd8 1768
378cc40b 1769#include "handy.h"
a0d0e21e 1770
6b8eaf93 1771#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1772# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1773# define USE_64_BIT_RAWIO /* implicit */
1774# endif
4564133c
JH		 1775#endif
1776
6b8eaf93
JH		 1777/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1778 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1779 * however, because operating systems like to do that themself. */
1780#ifndef FSEEKSIZE
1781# ifdef HAS_FSEEKO
1782# define FSEEKSIZE LSEEKSIZE
1783# else
1784# define FSEEKSIZE LONGSIZE
d460ef45 1785# endif
6b8eaf93
JH		 1786#endif
1787
1788#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1789# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1790# define USE_64_BIT_STDIO /* implicit */
1791# endif
1792#endif
4564133c 1793
09458382 1794#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1795# ifdef HAS_OFF64_T
1796# undef Off_t
1797# define Off_t off64_t
1798# undef LSEEKSIZE
1799# define LSEEKSIZE 8
5ff3f7a4 1800# endif
d9b3e12d
JH		 1801/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1802 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1803 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1804# if defined(USE_OPEN64)
1805# define open open64
5ff3f7a4 1806# endif
d9b3e12d
JH		 1807# if defined(USE_LSEEK64)
1808# define lseek lseek64
6b8eaf93
JH		 1809# else
1810# if defined(USE_LLSEEK)
1811# define lseek llseek
1812# endif
d9b3e12d
JH		 1813# endif
1814# if defined(USE_STAT64)
1815# define stat stat64
1816# endif
1817# if defined(USE_FSTAT64)
1818# define fstat fstat64
1819# endif
1820# if defined(USE_LSTAT64)
1821# define lstat lstat64
1822# endif
1823# if defined(USE_FLOCK64)
1824# define flock flock64
1825# endif
1826# if defined(USE_LOCKF64)
1827# define lockf lockf64
1828# endif
1829# if defined(USE_FCNTL64)
1830# define fcntl fcntl64
1831# endif
1832# if defined(USE_TRUNCATE64)
1833# define truncate truncate64
1834# endif
1835# if defined(USE_FTRUNCATE64)
1836# define ftruncate ftruncate64
1837# endif
1838#endif
1839
1840#ifdef USE_64_BIT_STDIO
1841# ifdef HAS_FPOS64_T
1842# undef Fpos_t
1843# define Fpos_t fpos64_t
1844# endif
1845/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1846 * will trigger defines like the ones below. Some 64-bit environments,
1847 * however, do not. */
1848# if defined(USE_FOPEN64)
1849# define fopen fopen64
1850# endif
1851# if defined(USE_FSEEK64)
6b8eaf93 1852# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1853# endif
1854# if defined(USE_FTELL64)
6b8eaf93 1855# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1856# endif
1857# if defined(USE_FSETPOS64)
1858# define fsetpos fsetpos64
1859# endif
1860# if defined(USE_FGETPOS64)
1861# define fgetpos fgetpos64
1862# endif
1863# if defined(USE_TMPFILE64)
1864# define tmpfile tmpfile64
1865# endif
1866# if defined(USE_FREOPEN64)
1867# define freopen freopen64
5ff3f7a4
GS		 1868# endif
1869#endif
1870
af8b425d 1871#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1872# include "iperlsys.h"
1873#endif
1874
6f71a643 1875#if defined(__OPEN_VM)
19848b3f
JH		 1876# include "vmesa/vmesaish.h"
1877# define ISHISH "vmesa"
6f71a643
JH		 1878#endif
1879
748a9306 1880#ifdef DOSISH
19848b3f
JH		 1881# if defined(OS2)
1882# include "os2ish.h"
1883# else
1884# include "dosish.h"
1885# endif
1886# define ISHISH "dos"
1887#endif
1888
1889#if defined(VMS)
748a9306 1890# include "vmsish.h"
96e176bf 1891# include "embed.h"
19848b3f
JH		 1892# define ISHISH "vms"
1893#endif
1894
1895#if defined(PLAN9)
1896# include "./plan9/plan9ish.h"
1897# define ISHISH "plan9"
1898#endif
1899
1900#if defined(MPE)
1901# include "mpeix/mpeixish.h"
1902# define ISHISH "mpeix"
1903#endif
1904
1905#if defined(__VOS__)
196918b0
PG		 1906# ifdef __GNUC__
1907# include "./vos/vosish.h"
1908# else
1909# include "vos/vosish.h"
1910# endif
19848b3f
JH		 1911# define ISHISH "vos"
1912#endif
1913
1914#if defined(EPOC)
1915# include "epocish.h"
1916# define ISHISH "epoc"
1917#endif
1918
1919#if defined(MACOS_TRADITIONAL)
1920# include "macos/macish.h"
1921# ifndef NO_ENVIRON_ARRAY
1922# define NO_ENVIRON_ARRAY
0c30d9ec 1923# endif
19848b3f
JH		 1924# define ISHISH "macos classic"
1925#endif
1926
efca5cc6
JH		 1927#if defined(__BEOS__)
1928# include "beos/beosish.h"
1929# define ISHISH "beos"
1930#endif
1931
19848b3f
JH		 1932#ifndef ISHISH
1933# include "unixish.h"
1934# define ISHISH "unix"
13b6e58c
JH		 1935#endif
1936
1937#ifndef NO_ENVIRON_ARRAY
1938# define USE_ENVIRON_ARRAY
1939#endif
32f822de 1940
c77b533b
JH		 1941/*
1942 * initialise to avoid floating-point exceptions from overflow, etc
1943 */
1944#ifndef PERL_FPU_INIT
1945# ifdef HAS_FPSETMASK
1946# if HAS_FLOATINGPOINT_H
1947# include <floatingpoint.h>
1948# endif
1949# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1950# else
2f42fcb0 1951# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 1952# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 1953# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1954# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1955# else
1956# define PERL_FPU_INIT
2f42fcb0 1957
7014c407 1958# endif
c77b533b
JH		 1959# endif
1960#endif
b35112e7
CS		 1961#ifndef PERL_FPU_PRE_EXEC
1962# define PERL_FPU_PRE_EXEC {
1963# define PERL_FPU_POST_EXEC }
1964#endif
c77b533b 1965
ed344e4f
IZ		 1966#ifndef PERL_SYS_INIT3
1967# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1968#endif
1969
be708cc0
JH		 1970#ifndef PERL_WRITE_MSG_TO_CONSOLE
1971# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1972#endif
1973
0f31cffe
GS		 1974#ifndef MAXPATHLEN
1975# ifdef PATH_MAX
b990c8b2
JH		 1976# ifdef _POSIX_PATH_MAX
1977# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1978/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1979 * included the null byte or not. Later amendments of POSIX,
1980 * XPG4, the Austin Group, and the Single UNIX Specification
1981 * all explicitly include the null byte in the PATH_MAX.
1982 * Ditto for _POSIX_PATH_MAX. */
1983# define MAXPATHLEN PATH_MAX
b990c8b2 1984# else
09448d78 1985# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1986# endif
1987# else
1988# define MAXPATHLEN (PATH_MAX+1)
1989# endif
0f31cffe 1990# else
b990c8b2 1991# ifdef _POSIX_PATH_MAX
09448d78 1992# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1993# else
1994# define MAXPATHLEN 1024 /* Err on the large side. */
1995# endif
0f31cffe
GS		 1996# endif
1997#endif
1998
3db8f154 1999/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2000 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2001 * this results in many functions being undeclared which bothers C++
2002 * May make sense to have threads after "*ish.h" anyway
2003 */
2004
3db8f154 2005#if defined(USE_ITHREADS)
2986a63f
JH		 2006# ifdef NETWARE
2007# include <nw5thread.h>
2008# else
32f822de
GS		 2009# ifdef FAKE_THREADS
2010# include "fakethr.h"
2011# else
2012# ifdef WIN32
2013# include <win32thread.h>
2014# else
dd96f567
IZ		 2015# ifdef OS2
2016# include "os2thread.h"
2017# else
7f3d1cf1 2018# ifdef I_MACH_CTHREADS
bdd66968 2019# include <mach/cthreads.h>
8f1f23e8 2020# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2021# define MUTEX_INIT_CALLS_MALLOC
2022# endif
7f3d1cf1
BH		 2023typedef cthread_t perl_os_thread;
2024typedef mutex_t perl_mutex;
2025typedef condition_t perl_cond;
2026typedef void * perl_key;
2027# else /* Posix threads */
1f5ae88c
JH		 2028# ifdef I_PTHREAD
2029# include <pthread.h>
2030# endif
7f3d1cf1
BH		 2031typedef pthread_t perl_os_thread;
2032typedef pthread_mutex_t perl_mutex;
2033typedef pthread_cond_t perl_cond;
2034typedef pthread_key_t perl_key;
2035# endif /* I_MACH_CTHREADS */
dd96f567 2036# endif /* OS2 */
32f822de
GS		 2037# endif /* WIN32 */
2038# endif /* FAKE_THREADS */
2986a63f 2039#endif /* NETWARE */
3db8f154 2040#endif /* USE_ITHREADS */
c5be433b 2041
66a93824 2042#if defined(WIN32)
1feb2720 2043# include "win32.h"
c5be433b
GS		 2044#endif
2045
2986a63f
JH		 2046#ifdef NETWARE
2047# include "netware.h"
2048#endif
2049
68dc0745 2050#ifdef VMS
6b88bc9c 2051# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2052# define STATUS_NATIVE_EXPORT \
d98f61e7 2053 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2054# define STATUS_NATIVE_SET(n) \
2055 STMT_START { \
6b88bc9c
GS		 2056 PL_statusvalue_vms = (n); \
2057 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2058 PL_statusvalue = -1; \
6b88bc9c 2059 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2060 PL_statusvalue = 0; \
6b88bc9c
GS		 2061 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2062 PL_statusvalue = 1 << 8; \
68dc0745 2063 else \
6b88bc9c 2064 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2065 } STMT_END
3280af22 2066# define STATUS_POSIX PL_statusvalue
68dc0745 2067# ifdef VMSISH_STATUS
2068# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2069# else
2070# define STATUS_CURRENT STATUS_POSIX
2071# endif
2072# define STATUS_POSIX_SET(n) \
2073 STMT_START { \
3280af22
NIS		 2074 PL_statusvalue = (n); \
2075 if (PL_statusvalue != -1) { \
2076 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2077 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2078 } \
6b88bc9c 2079 else PL_statusvalue_vms = -1; \
68dc0745 2080 } STMT_END
6b88bc9c
GS		 2081# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2082# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2083#else
2084# define STATUS_NATIVE STATUS_POSIX
2085# define STATUS_NATIVE_EXPORT STATUS_POSIX
2086# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2087# define STATUS_POSIX PL_statusvalue
68dc0745 2088# define STATUS_POSIX_SET(n) \
2089 STMT_START { \
3280af22
NIS		 2090 PL_statusvalue = (n); \
2091 if (PL_statusvalue != -1) \
2092 PL_statusvalue &= 0xFFFF; \
68dc0745 2093 } STMT_END
2094# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2095# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2096# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2097#endif
2098
cc3604b1
GS		 2099/* flags in PL_exit_flags for nature of exit() */
2100#define PERL_EXIT_EXPECTED 0x01
31d77e54 2101#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2102
0b94c7bb 2103#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2104# define MEMBER_TO_FPTR(name) name
2105#endif
2106
2107/* format to use for version numbers in file/directory names */
273cf8d1 2108/* XXX move to Configure? */
a7cb1f99 2109#ifndef PERL_FS_VER_FMT
273cf8d1 2110# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2111#endif
2112
45bc9206 2113/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2114 * performance issue, so we allow people to disable it. Also, if
2115 * we are using stdio, there are broken implementations of fflush(NULL)
2116 * out there, Solaris being the most prominent.
45bc9206
GS		 2117 */
2118#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2119# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2120# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2121# else
2122# ifdef FFLUSH_ALL
2123# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2124# else
c5be433b 2125# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2126# endif
66fe083f 2127# endif
45bc9206
GS		 2128#endif
2129
7766f137
GS		 2130#ifndef PERL_WAIT_FOR_CHILDREN
2131# define PERL_WAIT_FOR_CHILDREN NOOP
2132#endif
2133
ba869deb 2134/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2135#ifndef PERL_SET_INTERP
2136# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2137#endif
2138
2139#ifndef PERL_GET_INTERP
2140# define PERL_GET_INTERP (PL_curinterp)
2141#endif
2142
54aff467 2143#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2144# ifdef MULTIPLICITY
ba869deb 2145# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2146# endif
ba869deb
GS		 2147# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2148#endif
2149
894356b3
GS		 2150#ifndef SVf
2151# ifdef CHECK_FORMAT
2152# define SVf "p"
84c133a0
RB		 2153# ifndef SVf256
2154# define SVf256 SVf
2155# endif
894356b3
GS		 2156# else
2157# define SVf "_"
d460ef45 2158# endif
894356b3
GS		 2159#endif
2160
84c133a0
RB		 2161#ifndef SVf256
2162# define SVf256 ".256"SVf
2163#endif
2164
d2560b70
RB		 2165#ifndef UVf
2166# ifdef CHECK_FORMAT
2167# define UVf UVuf
2168# else
2169# define UVf "Vu"
d460ef45 2170# endif
d2560b70
RB		 2171#endif
2172
2173#ifndef VDf
2174# ifdef CHECK_FORMAT
2175# define VDf "p"
2176# else
2177# define VDf "vd"
d460ef45 2178# endif
d2560b70
RB		 2179#endif
2180
b3fe4827
RB		 2181#ifndef Nullformat
2182# ifdef CHECK_FORMAT
2183# define Nullformat "%s",""
2184# else
2185# define Nullformat Nullch
2186# endif
2187#endif
2188
287c8091
RB		 2189#ifndef __attribute__format__
2190# ifdef CHECK_FORMAT
2191# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2192# else
2193# define __attribute__format__(x,y,z)
2194# endif
2195#endif
2196
3fc1aec6 2197/* Some unistd.h's give a prototype for pause() even though
2198 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2199 below to be rejected by the compiler. Sigh.
3fc1aec6 2200*/
2201#ifdef HAS_PAUSE
2202#define Pause pause
2203#else
2204#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2205#endif
2206
2207#ifndef IOCPARM_LEN
2208# ifdef IOCPARM_MASK
2209 /* on BSDish systes we're safe */
2210# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2211# else
2212 /* otherwise guess at what's safe */
2213# define IOCPARM_LEN(x) 256
2214# endif
a0d0e21e
LW		 2215#endif
2216
1761cee5 2217#if defined(__CYGWIN__)
521e0776
GS		 2218/* USEMYBINMODE
2219 * This symbol, if defined, indicates that the program should
16fe6d59 2220 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2221 * that a file is in "binary" mode -- that is, that no translation
2222 * of bytes occurs on read or write operations.
2223 */
36894f0b 2224# define USEMYBINMODE /**/
77a40698 2225# include <io.h> /* for setmode() prototype */
16fe6d59 2226# define my_binmode(fp, iotype, mode) \
77a40698 2227 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2228#endif
2229
88d10794
JH		 2230#ifdef __CYGWIN__
2231void init_os_extras(void);
2232#endif
2233
cea2e8a9
GS		 2234#ifdef UNION_ANY_DEFINITION
2235UNION_ANY_DEFINITION;
2236#else
2237union any {
2238 void* any_ptr;
2239 I32 any_i32;
2240 IV any_iv;
2241 long any_long;
9febdf04 2242 bool any_bool;
c76ac1ee 2243 void (*any_dptr) (void*);
acfe0abc 2244 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2245};
2246#endif
2247
acfe0abc 2248typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2249
2250#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2251#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2252#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2253
c5078cac
JH		 2254#if defined(_AIX) && !defined(_AIX43)
2255#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2256/* We cannot include <crypt.h> to get the struct crypt_data
2257 * because of setkey prototype problems when threading */
2258typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2259 /* From OSF, Not needed in AIX
2260 char C[28], D[28];
2261 */
2262 char E[48];
2263 char KS[16][48];
2264 char block[66];
2265 char iobuf[16];
2266} CRYPTD;
2267#endif /* threading */
2268#endif /* AIX */
2269
af8b425d 2270#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2271# include "iperlsys.h"
2272#endif
504f80c1 2273
d10dc2ae
JH		 2274/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2275 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2276 * defined by Configure, despite their names being similar to the
2277 * other defines like USE_ITHREADS. Configure in fact knows nothing
2278 * about the randomised hashes. Therefore to enable/disable the hash
2279 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2280#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2281# define USE_HASH_SEED
504f80c1
JH		 2282#endif
2283
378cc40b 2284#include "regexp.h"
79072805 2285#include "sv.h"
378cc40b 2286#include "util.h"
8d063cd8 2287#include "form.h"
79072805 2288#include "gv.h"
dd2155a4 2289#include "pad.h"
79072805 2290#include "cv.h"
abdd5c84 2291#include "opnames.h"
79072805
LW		 2292#include "op.h"
2293#include "cop.h"
2294#include "av.h"
2295#include "hv.h"
2296#include "mg.h"
2297#include "scope.h"
4438c4b7 2298#include "warnings.h"
a0ed51b3 2299#include "utf8.h"
8d063cd8 2300
7fae4e64
GS		 2301/* Current curly descriptor */
2302typedef struct curcur CURCUR;
2303struct curcur {
2304 int parenfloor; /* how far back to strip paren data */
2305 int cur; /* how many instances of scan we've matched */
2306 int min; /* the minimal number of scans to match */
2307 int max; /* the maximal number of scans to match */
2308 int minmod; /* whether to work our way up or down */
2309 regnode * scan; /* the thing to match */
2310 regnode * next; /* what has to match after it */
2311 char * lastloc; /* where we started matching this scan */
2312 CURCUR * oldcc; /* current curly before we started this one */
2313};
2314
2315typedef struct _sublex_info SUBLEXINFO;
2316struct _sublex_info {
2317 I32 super_state; /* lexer state to save */
2318 I32 sub_inwhat; /* "lex_inwhat" to use */
2319 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2320 char *super_bufptr; /* PL_bufptr that was */
2321 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2322};
2323
455ece5e 2324typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2325
2c2d71f5 2326struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2327struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2328
2329typedef I32 CHECKPOINT;
76e3520e 2330
5f7fde29
GS		 2331struct ptr_tbl_ent {
2332 struct ptr_tbl_ent* next;
2333 void* oldval;
2334 void* newval;
d18c6117
GS		 2335};
2336
5f7fde29
GS		 2337struct ptr_tbl {
2338 struct ptr_tbl_ent** tbl_ary;
2339 UV tbl_max;
2340 UV tbl_items;
d18c6117
GS		 2341};
2342
450a55e4 2343#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2344# define I286
2345#endif
2346
fe14fcc3
LW		 2347#if defined(htonl) && !defined(HAS_HTONL)
2348#define HAS_HTONL
ae986130 2349#endif
fe14fcc3
LW		 2350#if defined(htons) && !defined(HAS_HTONS)
2351#define HAS_HTONS
ae986130 2352#endif
fe14fcc3
LW		 2353#if defined(ntohl) && !defined(HAS_NTOHL)
2354#define HAS_NTOHL
ae986130 2355#endif
fe14fcc3
LW		 2356#if defined(ntohs) && !defined(HAS_NTOHS)
2357#define HAS_NTOHS
ae986130 2358#endif
fe14fcc3 2359#ifndef HAS_HTONL
d9d8d8de 2360#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2361#define HAS_HTONS
2362#define HAS_HTONL
2363#define HAS_NTOHS
2364#define HAS_NTOHL
a687059c
LW		 2365#define MYSWAP
2366#define htons my_swap
2367#define htonl my_htonl
2368#define ntohs my_swap
2369#define ntohl my_ntohl
2370#endif
2371#else
d9d8d8de 2372#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2373#undef HAS_HTONS
2374#undef HAS_HTONL
2375#undef HAS_NTOHS
2376#undef HAS_NTOHL
a687059c
LW		 2377#endif
2378#endif
2379
988174c1
LW		 2380/*
2381 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2382 * -DWS
2383 */
2384#if BYTEORDER != 0x1234
2385# define HAS_VTOHL
2386# define HAS_VTOHS
2387# define HAS_HTOVL
2388# define HAS_HTOVS
c67712b2 2389# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2390# define vtohl(x) ((((x)&0xFF)<<24) \
2391 +(((x)>>24)&0xFF) \
2392 +(((x)&0x0000FF00)<<8) \
2393 +(((x)&0x00FF0000)>>8) )
2394# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2395# define htovl(x) vtohl(x)
2396# define htovs(x) vtohs(x)
2397# endif
2398 /* otherwise default to functions in util.c */
2a8c3029 2399#ifndef htovs
c623ac67
GS		 2400short htovs(short n);
2401short vtohs(short n);
2402long htovl(long n);
2403long vtohl(long n);
988174c1 2404#endif
2a8c3029 2405#endif
988174c1 2406
3bb7c1b4
JH		 2407/* *MAX Plus 1. A floating point value.
2408 Hopefully expressed in a way that dodgy floating point can't mess up.
2409 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2410 is added to it
2411 May find that some broken compiler will want the value cast to I32.
2412 [after the shift, as signed >> may not be as secure as unsigned >>]
2413*/
2414#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2415#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2416/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2417 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2418 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2419*/
2420#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2421
3bb7c1b4
JH		 2422#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2423#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2424#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2425
2426/* This may look like unnecessary jumping through hoops, but converting
2427 out of range floating point values to integers *is* undefined behaviour,
2428 and it is starting to bite.
2429*/
2430#ifndef CAST_INLINE
65202027 2431#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2432#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2433#define I_V(what) (cast_iv((NV)(what)))
2434#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2435#else
2436#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2437 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2438 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2439#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2440 : ((n) < U32_MAX_P1 ? (U32) (n) \
2441 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2442#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2443 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2444 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2445#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2446 : ((n) < UV_MAX_P1 ? (UV) (n) \
2447 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2448#endif
2449
2450#define U_S(what) ((U16)U_32(what))
2451#define U_I(what) ((unsigned int)U_32(what))
2452#define U_L(what) U_32(what)
ed6116ce 2453
2d4389e4
JH		 2454/* These do not care about the fractional part, only about the range. */
2455#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2456#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2457
25da4f38
IZ		 2458/* Used with UV/IV arguments: */
2459 /* XXXX: need to speed it up */
2460#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2461#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2462
352d5a3a
LW		 2463#ifndef MAXSYSFD
2464# define MAXSYSFD 2
2465#endif
ee0007ab 2466
79072805 2467#ifndef __cplusplus
e1caacb4 2468#ifndef UNDER_CE
20ce7b12
GS		 2469Uid_t getuid (void);
2470Uid_t geteuid (void);
2471Gid_t getgid (void);
2472Gid_t getegid (void);
79072805 2473#endif
e1caacb4 2474#endif
8d063cd8 2475
0c30d9ec 2476#ifndef Perl_debug_log
bf49b057
GS		 2477# define Perl_debug_log PerlIO_stderr()
2478#endif
2479
2480#ifndef Perl_error_log
2481# define Perl_error_log (PL_stderrgv \
6b78add2 2482 && isGV(PL_stderrgv) \
01bb7c6d 2483 && GvIOp(PL_stderrgv) \
42de951c 2484 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2485 ? IoOFP(GvIOp(PL_stderrgv)) \
2486 : PerlIO_stderr())
0c30d9ec 2487#endif
3967c732 2488
aea4f609
DM		 2489
2490#define DEBUG_p_FLAG 0x00000001 /* 1 */
2491#define DEBUG_s_FLAG 0x00000002 /* 2 */
2492#define DEBUG_l_FLAG 0x00000004 /* 4 */
2493#define DEBUG_t_FLAG 0x00000008 /* 8 */
2494#define DEBUG_o_FLAG 0x00000010 /* 16 */
2495#define DEBUG_c_FLAG 0x00000020 /* 32 */
2496#define DEBUG_P_FLAG 0x00000040 /* 64 */
2497#define DEBUG_m_FLAG 0x00000080 /* 128 */
2498#define DEBUG_f_FLAG 0x00000100 /* 256 */
2499#define DEBUG_r_FLAG 0x00000200 /* 512 */
2500#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2501#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2502#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2503#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2504#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2505#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2506#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2507#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2508#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2509#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2510#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0
NC		 2511#define DEBUG_A_FLAG 0x00400000 /*4194304 */
2512#define DEBUG_q_FLAG 0x00800000 /8388608*/
2513#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2514
2515#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2516#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2517 that something was done? */
aea4f609 2518
bd16a5f0
IZ		 2519# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2520# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2521# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2522# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2523# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2524# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2525# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2526# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2527# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2528# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2529# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2530# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2531# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2532# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2533# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2534# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2535# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2536# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2537# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2538# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2539# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 2540# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2541# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2542# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2543
3967c732 2544#ifdef DEBUGGING
aea4f609
DM		 2545
2546# undef YYDEBUG
2547# define YYDEBUG 1
2548
bd16a5f0
IZ		 2549# define DEBUG_p_TEST DEBUG_p_TEST_
2550# define DEBUG_s_TEST DEBUG_s_TEST_
2551# define DEBUG_l_TEST DEBUG_l_TEST_
2552# define DEBUG_t_TEST DEBUG_t_TEST_
2553# define DEBUG_o_TEST DEBUG_o_TEST_
2554# define DEBUG_c_TEST DEBUG_c_TEST_
2555# define DEBUG_P_TEST DEBUG_P_TEST_
2556# define DEBUG_m_TEST DEBUG_m_TEST_
2557# define DEBUG_f_TEST DEBUG_f_TEST_
2558# define DEBUG_r_TEST DEBUG_r_TEST_
2559# define DEBUG_x_TEST DEBUG_x_TEST_
2560# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2561# define DEBUG_H_TEST DEBUG_H_TEST_
2562# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2563# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2564# define DEBUG_D_TEST DEBUG_D_TEST_
2565# define DEBUG_S_TEST DEBUG_S_TEST_
2566# define DEBUG_T_TEST DEBUG_T_TEST_
2567# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2568# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2569# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2570# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0
NC		 2571# define DEBUG_A_TEST DEBUG_A_TEST_
2572# define DEBUG_q_TEST DEBUG_A_TEST_
aea4f609 2573
488b0c7a
JH		 2574# define PERL_DEB(a) a
2575# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2576# define DEBUG_p(a) if (DEBUG_p_TEST) a
2577# define DEBUG_s(a) if (DEBUG_s_TEST) a
2578# define DEBUG_l(a) if (DEBUG_l_TEST) a
2579# define DEBUG_t(a) if (DEBUG_t_TEST) a
2580# define DEBUG_o(a) if (DEBUG_o_TEST) a
2581# define DEBUG_c(a) if (DEBUG_c_TEST) a
2582# define DEBUG_P(a) if (DEBUG_P_TEST) a
2583
969058bb
VK		 2584 /* Temporarily turn off memory debugging in case the a
2585 * does memory allocation, either directly or indirectly. */
acfe0abc 2586# define DEBUG_m(a) \
0b250b9e 2587 STMT_START { \
aea4f609 2588 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2589 } STMT_END
aea4f609 2590
5f80b19c
AMS		 2591# define DEBUG__(t, a) \
2592 STMT_START { \
2593 if (t) STMT_START {a;} STMT_END; \
2594 } STMT_END
2595
2596# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2597# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2598# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2599# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2600# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2601# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2602# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2603# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2604
3db8f154 2605# define DEBUG_S(a)
aea4f609 2606
5f80b19c
AMS		 2607# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2608# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2609# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2610# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 2611# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2612# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 2613
2614#else /* DEBUGGING */
2615
2616# define DEBUG_p_TEST (0)
2617# define DEBUG_s_TEST (0)
2618# define DEBUG_l_TEST (0)
2619# define DEBUG_t_TEST (0)
2620# define DEBUG_o_TEST (0)
2621# define DEBUG_c_TEST (0)
2622# define DEBUG_P_TEST (0)
2623# define DEBUG_m_TEST (0)
2624# define DEBUG_f_TEST (0)
2625# define DEBUG_r_TEST (0)
2626# define DEBUG_x_TEST (0)
2627# define DEBUG_u_TEST (0)
aea4f609
DM		 2628# define DEBUG_H_TEST (0)
2629# define DEBUG_X_TEST (0)
dd2155a4 2630# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2631# define DEBUG_D_TEST (0)
2632# define DEBUG_S_TEST (0)
2633# define DEBUG_T_TEST (0)
04932ac8 2634# define DEBUG_R_TEST (0)
1045810a 2635# define DEBUG_J_TEST (0)
d6721266 2636# define DEBUG_v_TEST (0)
46187eeb 2637# define DEBUG_C_TEST (0)
ecae49c0
NC		 2638# define DEBUG_A_TEST (0)
2639# define DEBUG_q_TEST (0)
aea4f609 2640
488b0c7a
JH		 2641# define PERL_DEB(a)
2642# define PERL_DEBUG(a)
aea4f609
DM		 2643# define DEBUG_p(a)
2644# define DEBUG_s(a)
2645# define DEBUG_l(a)
2646# define DEBUG_t(a)
2647# define DEBUG_o(a)
2648# define DEBUG_c(a)
2649# define DEBUG_P(a)
2650# define DEBUG_m(a)
2651# define DEBUG_f(a)
2652# define DEBUG_r(a)
2653# define DEBUG_x(a)
2654# define DEBUG_u(a)
aea4f609
DM		 2655# define DEBUG_H(a)
2656# define DEBUG_X(a)
dd2155a4 2657# define DEBUG_Xv(a)
aea4f609
DM		 2658# define DEBUG_D(a)
2659# define DEBUG_S(a)
2660# define DEBUG_T(a)
04932ac8 2661# define DEBUG_R(a)
d6721266 2662# define DEBUG_v(a)
46187eeb 2663# define DEBUG_C(a)
ecae49c0
NC		 2664# define DEBUG_A(a)
2665# define DEBUG_q(a)
aea4f609
DM		 2666#endif /* DEBUGGING */
2667
2668
b4ab917c
DM		 2669#define DEBUG_SCOPE(where) \
2670 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2671 where, PL_scopestack_ix, __FILE__, __LINE__)));
2672
2673
2674
2675
d1be9408 2676/* These constants should be used in preference to raw characters
14befaf4
DM		 2677 * when using magic. Note that some perl guts still assume
2678 * certain character properties of these constants, namely that
2679 * isUPPER() and toLOWER() may do useful mappings.
2680 *
2681 * Update the magic_names table in dump.c when adding/amending these
2682 */
2683
2684#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2685#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2686#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2687#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2688#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2689#define PERL_MAGIC_regdata 'D' /* Regex match position data
2690 (@+ and @- vars) */
2691#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2692#define PERL_MAGIC_env 'E' /* %ENV hash */
2693#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2694#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2695#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2696#define PERL_MAGIC_isa 'I' /* @ISA array */
2697#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2698#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2699#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2700#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2701#define PERL_MAGIC_mutex 'm' /* for lock op */
2702#define PERL_MAGIC_shared 'N' /* Shared between threads */
2703#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2704#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2705#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2706#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2707#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2708#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2709#define PERL_MAGIC_sig 'S' /* %SIG hash */
2710#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2711#define PERL_MAGIC_taint 't' /* Taintedness */
2712#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2713#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2714#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2715#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2716#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2717#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2718#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2719 smart parameter vivification */
2720#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2721#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2722#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2723#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2724#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2725
2726
fe14fcc3 2727#define YYMAXDEPTH 300
8d063cd8 2728
a6e633de 2729#ifndef assert /* <assert.h> might have been included somehow */
a446a88f 2730#ifdef DEBUGGING
488b0c7a 2731#define assert(what) PERL_DEB( { \
a446a88f
NIS		 2732 if (!(what)) { \
2733 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2734 __FILE__, __LINE__); \
2735 PerlProc_exit(1); \
2736 }})
2737#else
488b0c7a 2738#define assert(what) PERL_DEB( { \
79072805 2739 if (!(what)) { \
cea2e8a9 2740 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2741 __FILE__, __LINE__); \
cea2e8a9 2742 PerlProc_exit(1); \
79072805 2743 }})
a6e633de 2744#endif
a446a88f 2745#endif
8d063cd8 2746
450a55e4 2747struct ufuncs {
24f81a43
DM		 2748 I32 (*uf_val)(pTHX_ IV, SV*);
2749 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2750 IV uf_index;
450a55e4
LW		 2751};
2752
14befaf4 2753/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2754 * XS code wanting to be backward compatible can do something
2755 * like the following:
c745e42c 2756
24f81a43 2757#ifndef PERL_MG_UFUNC
24f81a43
DM		 2758#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2759#endif
2760
2761static PERL_MG_UFUNC(foo_get, index, val)
2762{
2763 sv_setsv(val, ...);
2764 return TRUE;
2765}
2766
2767-- Doug MacEachern
2768
2769*/
2770
fc9c74e6 2771#ifndef PERL_MG_UFUNC
24f81a43 2772#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2773#endif
24f81a43 2774
fe14fcc3 2775/* Fix these up for __STDC__ */
68dc0745 2776#ifndef DONT_DECLARE_STD
20ce7b12 2777char *mktemp (char*);
37bd1396 2778#ifndef atof
20ce7b12 2779double atof (const char*);
a0d0e21e 2780#endif
37bd1396 2781#endif
79072805 2782
352d5a3a 2783#ifndef STANDARD_C
fe14fcc3 2784/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2785Time_t time();
8d063cd8 2786struct tm *gmtime(), *localtime();
092bebab 2787#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2788char *(strchr)(), *(strrchr)();
2789char *(strcpy)(), *(strcat)();
2790#else
93a17b20 2791char *strchr(), *strrchr();
378cc40b 2792char *strcpy(), *strcat();
9d116dd7 2793#endif
352d5a3a 2794#endif /* ! STANDARD_C */
8d063cd8 2795
79072805
LW		 2796
2797#ifdef I_MATH
2798# include <math.h>
2799#else
32f822de 2800START_EXTERN_C
20ce7b12
GS		 2801 double exp (double);
2802 double log (double);
2803 double log10 (double);
2804 double sqrt (double);
2805 double frexp (double,int*);
2806 double ldexp (double,int);
2807 double modf (double,double*);
2808 double sin (double);
2809 double cos (double);
2810 double atan2 (double,double);
2811 double pow (double,double);
32f822de 2812END_EXTERN_C
79072805
LW		 2813#endif
2814
aa8b85de
JH		 2815#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2816# define NV_INF LDBL_INFINITY
2817#endif
2818#if !defined(NV_INF) && defined(DBL_INFINITY)
2819# define NV_INF (NV)DBL_INFINITY
2820#endif
2821#if !defined(NV_INF) && defined(INFINITY)
2822# define NV_INF (NV)INFINITY
2823#endif
2824#if !defined(NV_INF) && defined(INF)
2825# define NV_INF (NV)INF
2826#endif
2827#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2828# define NV_INF (NV)HUGE_VALL
2829#endif
2830#if !defined(NV_INF) && defined(HUGE_VAL)
2831# define NV_INF (NV)HUGE_VAL
2832#endif
2833
2834#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2835# if !defined(NV_NAN) && defined(LDBL_NAN)
2836# define NV_NAN LDBL_NAN
2837# endif
2838# if !defined(NV_NAN) && defined(LDBL_QNAN)
2839# define NV_NAN LDBL_QNAN
2840# endif
2841# if !defined(NV_NAN) && defined(LDBL_SNAN)
2842# define NV_NAN LDBL_SNAN
2843# endif
2844#endif
2845#if !defined(NV_NAN) && defined(DBL_NAN)
2846# define NV_NAN (NV)DBL_NAN
2847#endif
2848#if !defined(NV_NAN) && defined(DBL_QNAN)
2849# define NV_NAN (NV)DBL_QNAN
2850#endif
2851#if !defined(NV_NAN) && defined(DBL_SNAN)
2852# define NV_NAN (NV)DBL_SNAN
2853#endif
2854#if !defined(NV_NAN) && defined(QNAN)
2855# define NV_NAN (NV)QNAN
2856#endif
2857#if !defined(NV_NAN) && defined(SNAN)
2858# define NV_NAN (NV)SNAN
2859#endif
2860#if !defined(NV_NAN) && defined(NAN)
2861# define NV_NAN (NV)NAN
2862#endif
2863
a0d0e21e 2864#ifndef __cplusplus
8f1f23e8 2865# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2866char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2867# else
fd8cd3a3 2868# if !defined(WIN32) && !defined(VMS)
10bc17b6 2869#ifndef crypt
20ce7b12 2870char *crypt (const char*, const char*);
10bc17b6 2871#endif
5014db98 2872# endif /* !WIN32 */
8f1f23e8 2873# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2874# ifndef DONT_DECLARE_STD
2875# ifndef getenv
20ce7b12 2876char *getenv (const char*);
26618a56 2877# endif /* !getenv */
28ca6303 2878# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2879# ifdef _FILE_OFFSET_BITS
28ca6303 2880# if _FILE_OFFSET_BITS == 64
20ce7b12 2881Off_t lseek (int,Off_t,int);
0fc67700
JH		 2882# endif
2883# endif
bf0c440f 2884# endif
26618a56 2885# endif /* !DONT_DECLARE_STD */
10bc17b6 2886#ifndef getlogin
20ce7b12 2887char *getlogin (void);
10bc17b6 2888#endif
26618a56 2889#endif /* !__cplusplus */
79072805 2890
16d20bd9 2891#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2892#define UNLINK unlnk
20ce7b12 2893I32 unlnk (char*);
8d063cd8 2894#else
80252599 2895#define UNLINK PerlLIO_unlink
8d063cd8 2896#endif
a687059c 2897
fa0a29af
JH		 2898/* some versions of glibc are missing the setresuid() proto */
2899#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2900int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2901#endif
fa0a29af
JH		 2902/* some versions of glibc are missing the setresgid() proto */
2903#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2904int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2905#endif
2906
fe14fcc3 2907#ifndef HAS_SETREUID
85e6fe83
LW		 2908# ifdef HAS_SETRESUID
2909# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2910# define HAS_SETREUID
2911# endif
a687059c 2912#endif
fe14fcc3 2913#ifndef HAS_SETREGID
85e6fe83
LW		 2914# ifdef HAS_SETRESGID
2915# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2916# define HAS_SETREGID
2917# endif
a687059c 2918#endif
ee0007ab 2919
d543acb6 2920/* Sighandler_t defined in iperlsys.h */
ff68c719 2921
2922#ifdef HAS_SIGACTION
2923typedef struct sigaction Sigsave_t;
2924#else
2925typedef Sighandler_t Sigsave_t;
2926#endif
2927
ee0007ab
LW		 2928#define SCAN_DEF 0
2929#define SCAN_TR 1
2930#define SCAN_REPL 2
79072805
LW		 2931
2932#ifdef DEBUGGING
4633a7c4 2933# ifndef register
a0d0e21e
LW		 2934# define register
2935# endif
cea2e8a9 2936# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2937#else
cea2e8a9 2938# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2939#endif
2940
18f739ee 2941#ifdef MYMALLOC
772fe5b3 2942# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2943# define MALLOC_INIT \
2944 STMT_START { \
2945 PL_malloc_mutex = NULL; \
2946 MUTEX_INIT(&PL_malloc_mutex); \
2947 } STMT_END
2948# define MALLOC_TERM \
2949 STMT_START { \
2950 perl_mutex tmp = PL_malloc_mutex; \
2951 PL_malloc_mutex = NULL; \
2952 MUTEX_DESTROY(&tmp); \
2953 } STMT_END
2954# else
2955# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2956# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2957# endif
18f739ee
IZ		 2958#else
2959# define MALLOC_INIT
2960# define MALLOC_TERM
2961#endif
2962
b6d9d515 2963
0cb96387 2964typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2965typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2966typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2967typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2968
940cb80d 2969/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2970#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2971
8f1f23e8
W		 2972/* NeXT has problems with crt0.o globals */
2973#if defined(__DYNAMIC__) && \
6239f2da 2974 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 2975# if defined(NeXT) || defined(__NeXT)
2976# include <mach-o/dyld.h>
2977# define environ (*environ_pointer)
0c30d9ec 2978EXT char *** environ_pointer;
8f1f23e8 2979# else
6239f2da 2980# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 2981# include <crt_externs.h> /* for the env array */
2982# define environ (*_NSGetEnviron())
2983# endif
0c30d9ec 2984# endif
8f1f23e8
W		 2985#else
2986 /* VMS and some other platforms don't use the environ array */
13b6e58c 2987# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2988# if !defined(DONT_DECLARE_STD) || \
2989 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2990 defined(__sgi) || \
d460ef45 2991 defined(__DGUX)
8f1f23e8 2992extern char ** environ; /* environment variables supplied via exec */
a6c40364 2993# endif
8f1f23e8
W		 2994# endif
2995#endif
79072805 2996
73c4f7a1
GS		 2997START_EXTERN_C
2998
79072805 2999/* handy constants */
22c35a8c 3000EXTCONST char PL_warn_uninit[]
b89fed5f 3001 INIT("Use of uninitialized value%s%s");
22c35a8c 3002EXTCONST char PL_warn_nosemi[]
463ee0b2 3003 INIT("Semicolon seems to be missing");
22c35a8c 3004EXTCONST char PL_warn_reserved[]
463ee0b2 3005 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3006EXTCONST char PL_warn_nl[]
93a17b20 3007 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3008EXTCONST char PL_no_wrongref[]
a0d0e21e 3009 INIT("Can't use %s ref as %s ref");
22c35a8c 3010EXTCONST char PL_no_symref[]
748a9306 3011 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 3012EXTCONST char PL_no_usym[]
8990e307 3013 INIT("Can't use an undefined value as %s reference");
22c35a8c 3014EXTCONST char PL_no_aelem[]
93a17b20 3015 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3016EXTCONST char PL_no_helem[]
93a17b20 3017 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3018EXTCONST char PL_no_modify[]
93a17b20 3019 INIT("Modification of a read-only value attempted");
22c35a8c 3020EXTCONST char PL_no_mem[]
93a17b20 3021 INIT("Out of memory!\n");
22c35a8c 3022EXTCONST char PL_no_security[]
463ee0b2 3023 INIT("Insecure dependency in %s%s");
22c35a8c 3024EXTCONST char PL_no_sock_func[]
93a17b20 3025 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3026EXTCONST char PL_no_dir_func[]
93a17b20 3027 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3028EXTCONST char PL_no_func[]
93a17b20 3029 INIT("The %s function is unimplemented");
22c35a8c 3030EXTCONST char PL_no_myglob[]
748a9306 3031 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3032EXTCONST char PL_no_localize_ref[]
3033 INIT("Can't localize through a reference");
93a17b20 3034
7575fa06 3035EXTCONST char PL_uuemap[65]
80252599
GS		 3036 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3037
3038
79072805 3039#ifdef DOINIT
22c35a8c
GS		 3040EXT char *PL_sig_name[] = { SIG_NAME };
3041EXT int PL_sig_num[] = { SIG_NUM };
79072805 3042#else
22c35a8c
GS		 3043EXT char *PL_sig_name[];
3044EXT int PL_sig_num[];
79072805
LW		 3045#endif
3046
3bd709b1 3047/* fast conversion and case folding tables */
bbce6d69 3048
79072805 3049#ifdef DOINIT
9d116dd7 3050#ifdef EBCDIC
22c35a8c 3051EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3052 0, 1, 2, 3, 4, 5, 6, 7,
3053 8, 9, 10, 11, 12, 13, 14, 15,
3054 16, 17, 18, 19, 20, 21, 22, 23,
3055 24, 25, 26, 27, 28, 29, 30, 31,
3056 32, 33, 34, 35, 36, 37, 38, 39,
3057 40, 41, 42, 43, 44, 45, 46, 47,
3058 48, 49, 50, 51, 52, 53, 54, 55,
3059 56, 57, 58, 59, 60, 61, 62, 63,
3060 64, 65, 66, 67, 68, 69, 70, 71,
3061 72, 73, 74, 75, 76, 77, 78, 79,
3062 80, 81, 82, 83, 84, 85, 86, 87,
3063 88, 89, 90, 91, 92, 93, 94, 95,
3064 96, 97, 98, 99, 100, 101, 102, 103,
3065 104, 105, 106, 107, 108, 109, 110, 111,
3066 112, 113, 114, 115, 116, 117, 118, 119,
3067 120, 121, 122, 123, 124, 125, 126, 127,
3068 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3069 'H', 'I', 138, 139, 140, 141, 142, 143,
3070 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3071 'Q', 'R', 154, 155, 156, 157, 158, 159,
3072 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3073 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3074 176, 177, 178, 179, 180, 181, 182, 183,
3075 184, 185, 186, 187, 188, 189, 190, 191,
3076 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3077 'h', 'i', 202, 203, 204, 205, 206, 207,
3078 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3079 'q', 'r', 218, 219, 220, 221, 222, 223,
3080 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3081 'y', 'z', 234, 235, 236, 237, 238, 239,
3082 240, 241, 242, 243, 244, 245, 246, 247,
3083 248, 249, 250, 251, 252, 253, 254, 255
3084};
3085#else /* ascii rather than ebcdic */
22c35a8c 3086EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3087 0, 1, 2, 3, 4, 5, 6, 7,
3088 8, 9, 10, 11, 12, 13, 14, 15,
3089 16, 17, 18, 19, 20, 21, 22, 23,
3090 24, 25, 26, 27, 28, 29, 30, 31,
3091 32, 33, 34, 35, 36, 37, 38, 39,
3092 40, 41, 42, 43, 44, 45, 46, 47,
3093 48, 49, 50, 51, 52, 53, 54, 55,
3094 56, 57, 58, 59, 60, 61, 62, 63,
3095 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3096 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3097 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3098 'x', 'y', 'z', 91, 92, 93, 94, 95,
3099 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3100 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3101 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3102 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3103 128, 129, 130, 131, 132, 133, 134, 135,
3104 136, 137, 138, 139, 140, 141, 142, 143,
3105 144, 145, 146, 147, 148, 149, 150, 151,
3106 152, 153, 154, 155, 156, 157, 158, 159,
3107 160, 161, 162, 163, 164, 165, 166, 167,
3108 168, 169, 170, 171, 172, 173, 174, 175,
3109 176, 177, 178, 179, 180, 181, 182, 183,
3110 184, 185, 186, 187, 188, 189, 190, 191,
3111 192, 193, 194, 195, 196, 197, 198, 199,
3112 200, 201, 202, 203, 204, 205, 206, 207,
3113 208, 209, 210, 211, 212, 213, 214, 215,
3114 216, 217, 218, 219, 220, 221, 222, 223,
3115 224, 225, 226, 227, 228, 229, 230, 231,
3116 232, 233, 234, 235, 236, 237, 238, 239,
3117 240, 241, 242, 243, 244, 245, 246, 247,
3118 248, 249, 250, 251, 252, 253, 254, 255
3119};
9d116dd7 3120#endif /* !EBCDIC */
79072805 3121#else
22c35a8c 3122EXTCONST unsigned char PL_fold[];
79072805
LW		 3123#endif
3124
3125#ifdef DOINIT
22c35a8c 3126EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3127 0, 1, 2, 3, 4, 5, 6, 7,
3128 8, 9, 10, 11, 12, 13, 14, 15,
3129 16, 17, 18, 19, 20, 21, 22, 23,
3130 24, 25, 26, 27, 28, 29, 30, 31,
3131 32, 33, 34, 35, 36, 37, 38, 39,
3132 40, 41, 42, 43, 44, 45, 46, 47,
3133 48, 49, 50, 51, 52, 53, 54, 55,
3134 56, 57, 58, 59, 60, 61, 62, 63,
3135 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3136 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3137 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3138 'x', 'y', 'z', 91, 92, 93, 94, 95,
3139 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3140 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3141 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3142 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3143 128, 129, 130, 131, 132, 133, 134, 135,
3144 136, 137, 138, 139, 140, 141, 142, 143,
3145 144, 145, 146, 147, 148, 149, 150, 151,
3146 152, 153, 154, 155, 156, 157, 158, 159,
3147 160, 161, 162, 163, 164, 165, 166, 167,
3148 168, 169, 170, 171, 172, 173, 174, 175,
3149 176, 177, 178, 179, 180, 181, 182, 183,
3150 184, 185, 186, 187, 188, 189, 190, 191,
3151 192, 193, 194, 195, 196, 197, 198, 199,
3152 200, 201, 202, 203, 204, 205, 206, 207,
3153 208, 209, 210, 211, 212, 213, 214, 215,
3154 216, 217, 218, 219, 220, 221, 222, 223,
3155 224, 225, 226, 227, 228, 229, 230, 231,
3156 232, 233, 234, 235, 236, 237, 238, 239,
3157 240, 241, 242, 243, 244, 245, 246, 247,
3158 248, 249, 250, 251, 252, 253, 254, 255
3159};
3160#else
22c35a8c 3161EXT unsigned char PL_fold_locale[];
79072805
LW		 3162#endif
3163
3164#ifdef DOINIT
9d116dd7 3165#ifdef EBCDIC
22c35a8c 3166EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3167 1, 2, 84, 151, 154, 155, 156, 157,
3168 165, 246, 250, 3, 158, 7, 18, 29,
3169 40, 51, 62, 73, 85, 96, 107, 118,
3170 129, 140, 147, 148, 149, 150, 152, 153,
3171 255, 6, 8, 9, 10, 11, 12, 13,
3172 14, 15, 24, 25, 26, 27, 28, 226,
3173 29, 30, 31, 32, 33, 43, 44, 45,
3174 46, 47, 48, 49, 50, 76, 77, 78,
3175 79, 80, 81, 82, 83, 84, 85, 86,
3176 87, 94, 95, 234, 181, 233, 187, 190,
3177 180, 96, 97, 98, 99, 100, 101, 102,
3178 104, 112, 182, 174, 236, 232, 229, 103,
3179 228, 226, 114, 115, 116, 117, 118, 119,
3180 120, 121, 122, 235, 176, 230, 194, 162,
3181 130, 131, 132, 133, 134, 135, 136, 137,
3182 138, 139, 201, 205, 163, 217, 220, 224,
3183 5, 248, 227, 244, 242, 255, 241, 231,
3184 240, 253, 16, 197, 19, 20, 21, 187,
3185 23, 169, 210, 245, 237, 249, 247, 239,
3186 168, 252, 34, 196, 36, 37, 38, 39,
3187 41, 42, 251, 254, 238, 223, 221, 213,
3188 225, 177, 52, 53, 54, 55, 56, 57,
3189 58, 59, 60, 61, 63, 64, 65, 66,
3190 67, 68, 69, 70, 71, 72, 74, 75,
3191 205, 208, 186, 202, 200, 218, 198, 179,
3192 178, 214, 88, 89, 90, 91, 92, 93,
3193 217, 166, 170, 207, 199, 209, 206, 204,
3194 160, 212, 105, 106, 108, 109, 110, 111,
3195 203, 113, 216, 215, 192, 175, 193, 243,
3196 172, 161, 123, 124, 125, 126, 127, 128,
3197 222, 219, 211, 195, 188, 193, 185, 184,
3198 191, 183, 141, 142, 143, 144, 145, 146
3199};
3200#else /* ascii rather than ebcdic */
22c35a8c 3201EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3202 1, 2, 84, 151, 154, 155, 156, 157,
3203 165, 246, 250, 3, 158, 7, 18, 29,
3204 40, 51, 62, 73, 85, 96, 107, 118,
3205 129, 140, 147, 148, 149, 150, 152, 153,
3206 255, 182, 224, 205, 174, 176, 180, 217,
3207 233, 232, 236, 187, 235, 228, 234, 226,
3208 222, 219, 211, 195, 188, 193, 185, 184,
3209 191, 183, 201, 229, 181, 220, 194, 162,
3210 163, 208, 186, 202, 200, 218, 198, 179,
3211 178, 214, 166, 170, 207, 199, 209, 206,
3212 204, 160, 212, 216, 215, 192, 175, 173,
3213 243, 172, 161, 190, 203, 189, 164, 230,
3214 167, 248, 227, 244, 242, 255, 241, 231,
3215 240, 253, 169, 210, 245, 237, 249, 247,
3216 239, 168, 252, 251, 254, 238, 223, 221,
3217 213, 225, 177, 197, 171, 196, 159, 4,
3218 5, 6, 8, 9, 10, 11, 12, 13,
3219 14, 15, 16, 17, 19, 20, 21, 22,
3220 23, 24, 25, 26, 27, 28, 30, 31,
3221 32, 33, 34, 35, 36, 37, 38, 39,
3222 41, 42, 43, 44, 45, 46, 47, 48,
3223 49, 50, 52, 53, 54, 55, 56, 57,
3224 58, 59, 60, 61, 63, 64, 65, 66,
3225 67, 68, 69, 70, 71, 72, 74, 75,
3226 76, 77, 78, 79, 80, 81, 82, 83,
3227 86, 87, 88, 89, 90, 91, 92, 93,
3228 94, 95, 97, 98, 99, 100, 101, 102,
3229 103, 104, 105, 106, 108, 109, 110, 111,
3230 112, 113, 114, 115, 116, 117, 119, 120,
3231 121, 122, 123, 124, 125, 126, 127, 128,
3232 130, 131, 132, 133, 134, 135, 136, 137,
3233 138, 139, 141, 142, 143, 144, 145, 146
3234};
9d116dd7 3235#endif
79072805 3236#else
22c35a8c 3237EXTCONST unsigned char PL_freq[];
79072805
LW		 3238#endif
3239
8990e307
LW		 3240#ifdef DEBUGGING
3241#ifdef DOINIT
22c35a8c 3242EXTCONST char* PL_block_type[] = {
8990e307
LW		 3243 "NULL",
3244 "SUB",
3245 "EVAL",
3246 "LOOP",
3247 "SUBST",
3248 "BLOCK",
3249};
3250#else
22c35a8c 3251EXTCONST char* PL_block_type[];
8990e307
LW		 3252#endif
3253#endif
3254
73c4f7a1
GS		 3255END_EXTERN_C
3256
79072805
LW		 3257/*****************************************************************************/
3258/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3259/*****************************************************************************/
8990e307 3260/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3261
d4c3c482 3262#ifdef __Lynx__
9cffb111
OS		 3263/* LynxOS defines these in scsi.h which is included via ioctl.h */
3264#ifdef FORMAT
3265#undef FORMAT
3266#endif
3267#ifdef SPACE
3268#undef SPACE
3269#endif
d4c3c482 3270#endif
9cffb111 3271
a0d0e21e
LW		 3272#include "perly.h"
3273
fb73857a 3274#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3275
79072805
LW		 3276typedef enum {
3277 XOPERATOR,
3278 XTERM,
79072805 3279 XREF,
8990e307 3280 XSTATE,
a0d0e21e 3281 XBLOCK,
09bef843
SB		 3282 XATTRBLOCK,
3283 XATTRTERM,
6f33ba73
RGS		 3284 XTERMBLOCK,
3285 XTERMORDORDOR /* evil hack */
27308ded 3286 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3287} expectation;
3288
dc9e4912
GS		 3289enum { /* pass one of these to get_vtbl */
3290 want_vtbl_sv,
3291 want_vtbl_env,
3292 want_vtbl_envelem,
3293 want_vtbl_sig,
3294 want_vtbl_sigelem,
3295 want_vtbl_pack,
3296 want_vtbl_packelem,
3297 want_vtbl_dbline,
3298 want_vtbl_isa,
3299 want_vtbl_isaelem,
3300 want_vtbl_arylen,
3301 want_vtbl_glob,
3302 want_vtbl_mglob,
3303 want_vtbl_nkeys,
3304 want_vtbl_taint,
3305 want_vtbl_substr,
3306 want_vtbl_vec,
3307 want_vtbl_pos,
3308 want_vtbl_bm,
3309 want_vtbl_fm,
3310 want_vtbl_uvar,
3311 want_vtbl_defelem,
3312 want_vtbl_regexp,
3313 want_vtbl_collxfrm,
3314 want_vtbl_amagic,
3315 want_vtbl_amagicelem,
dc9e4912 3316 want_vtbl_regdata,
810b8aa5 3317 want_vtbl_regdatum,
7e8c5dac
HS		 3318 want_vtbl_backref,
3319 want_vtbl_utf8
dc9e4912
GS		 3320};
3321
85e6fe83
LW		 3322 /* Note: the lowest 8 bits are reserved for
3323 stuffing into op->op_private */
f3aa04c2 3324#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3325#define HINT_INTEGER 0x00000001 /* integer pragma */
3326#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3327#define HINT_LOCALE 0x00000004 /* locale pragma */
3328#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3329/* #define HINT_notused10 0x00000010 */
a0ed51b3 3330 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3331 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3332
3333#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3334#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3335#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3336
9cfe5470 3337/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3338#define HINT_NEW_INTEGER 0x00001000
3339#define HINT_NEW_FLOAT 0x00002000
3340#define HINT_NEW_BINARY 0x00004000
3341#define HINT_NEW_STRING 0x00008000
3342#define HINT_NEW_RE 0x00010000
3343#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3344
9cfe5470
RGS		 3345#define HINT_RE_TAINT 0x00100000 /* re pragma */
3346#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3347
9cfe5470
RGS		 3348#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3349#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3350
8fa7688f 3351/* assertions pragma */
06492da6 3352#define HINT_ASSERTING 0x01000000
8fa7688f 3353#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3354
9cfe5470 3355/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3356#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3357#define HINT_SORT_QUICKSORT 0x00000001
3358#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3359#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3360
8bfdd7d9 3361/* Various states of the input record separator SV (rs) */
d4cce5f1 3362#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3363#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3364#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3365#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3366
128e8167 3367/* A struct for keeping various DEBUGGING related stuff,
ce333219 3368 * neatly packed. Currently only scratch variables for
128e8167
JH		 3369 * constructing debug output are included. Needed always,
3370 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3371struct perl_debug_pad {
3372 SV pad[3];
3373};
3374
3375#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3376#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3377
56953603 3378/* Enable variables which are pointers to functions */
a2efc822 3379typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3380typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3381typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3382 char* strend, char* strbeg, I32 minend,
3383 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3384typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3385 char *strpos, char *strend,
3386 U32 flags,
3387 struct re_scream_pos_data_s *d);
3388typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3389typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3390
c76ac1ee 3391typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3392typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3393typedef void (*SVFUNC_t) (pTHX_ SV*);
3394typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3395typedef void (*XSINIT_t) (pTHX);
3396typedef void (*ATEXIT_t) (pTHX_ void*);
3397typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3398
22239a37
NIS		 3399/* Set up PERLVAR macros for populating structs */
3400#define PERLVAR(var,type) type var;
51371543 3401#define PERLVARA(var,n,type) type var[n];
22239a37 3402#define PERLVARI(var,type,init) type var;
3fe35a81 3403#define PERLVARIC(var,type,init) type var;
22239a37 3404
58a50f62
GS		 3405/* Interpreter exitlist entry */
3406typedef struct exitlistentry {
acfe0abc 3407 void (*fn) (pTHX_ void*);
58a50f62
GS		 3408 void *ptr;
3409} PerlExitListEntry;
3410
22239a37
NIS		 3411#ifdef PERL_GLOBAL_STRUCT
3412struct perl_vars {
7766f137 3413# include "perlvars.h"
22239a37
NIS		 3414};
3415
7766f137 3416# ifdef PERL_CORE
533c011a
NIS		 3417EXT struct perl_vars PL_Vars;
3418EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3419# else /* PERL_CORE */
3420# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3421EXT
7766f137 3422# endif /* WIN32 */
533c011a 3423struct perl_vars *PL_VarsPtr;
7766f137
GS		 3424# define PL_Vars (*((PL_VarsPtr) \
3425 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3426# endif /* PERL_CORE */
22239a37
NIS		 3427#endif /* PERL_GLOBAL_STRUCT */
3428
acfe0abc 3429#if defined(MULTIPLICITY)
d460ef45 3430/* If we have multiple interpreters define a struct
d4cce5f1 3431 holding variables which must be per-interpreter
d460ef45 3432 If we don't have threads anything that would have
d4cce5f1
NIS		 3433 be per-thread is per-interpreter.
3434*/
3435
79072805 3436struct interpreter {
3db8f154 3437# include "thrdvar.h"
7766f137
GS		 3438# include "intrpvar.h"
3439/*
3440 * The following is a buffer where new variables must
acfe0abc 3441 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3442 */
3443PERLVARA(object_compatibility,30, char)
49f531da 3444};
d4cce5f1 3445
79072805 3446#else
49f531da
NIS		 3447struct interpreter {
3448 char broiled;
3449};
acfe0abc 3450#endif /* MULTIPLICITY */
79072805 3451
22fae026 3452typedef void *Thread;
22239a37
NIS		 3453
3454/* Done with PERLVAR macros for now ... */
d4cce5f1 3455#undef PERLVAR
51371543 3456#undef PERLVARA
d4cce5f1 3457#undef PERLVARI
3fe35a81 3458#undef PERLVARIC
79072805 3459
49704364
WL		 3460/* Types used by pack/unpack */
3461typedef enum {
3462 e_no_len, /* no length */
3463 e_number, /* number, [] */
3464 e_star /* asterisk */
3465} howlen_t;
3466
3467typedef struct {
3468 char* patptr; /* current template char */
3469 char* patend; /* one after last char */
3470 char* grpbeg; /* 1st char of ()-group */
3471 char* grpend; /* end of ()-group */
3472 I32 code; /* template code (!) */
3473 I32 length; /* length/repeat count */
3474 howlen_t howlen; /* how length is given */
3475 int level; /* () nesting level */
3476 U32 flags; /* /=4, comma=2, pack=1 */
3477} tempsym_t;
3478
22239a37 3479#include "thread.h"
79072805 3480#include "pp.h"
864dbfa3
GS		 3481
3482#ifndef PERL_CALLCONV
3483# define PERL_CALLCONV
d460ef45 3484#endif
864dbfa3 3485
65f19062
GS		 3486#ifndef NEXT30_NO_ATTRIBUTE
3487# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3488# ifdef __attribute__ /* Avoid possible redefinition errors */
3489# undef __attribute__
3490# endif
3491# define __attribute__(attr)
3492# endif
3493#endif
3494
0cb96387
GS		 3495#undef PERL_CKDEF
3496#undef PERL_PPDEF
3497#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3498#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3499
7766f137 3500#include "proto.h"
864dbfa3 3501
0cb96387 3502/* this has structure inits, so it cannot be included before here */
acfe0abc 3503#include "opcode.h"
864dbfa3 3504
d4cce5f1
NIS		 3505/* The following must follow proto.h as #defines mess up syntax */
3506
22c35a8c
GS		 3507#if !defined(PERL_FOR_X2P)
3508# include "embedvar.h"
3509#endif
d4cce5f1 3510
d460ef45 3511/* Now include all the 'global' variables
d4cce5f1 3512 * If we don't have threads or multiple interpreters
d460ef45 3513 * these include variables that would have been their struct-s
d4cce5f1 3514 */
d460ef45 3515
533c011a 3516#define PERLVAR(var,type) EXT type PL_##var;
51371543 3517#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3518#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3519#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3520
acfe0abc 3521#if !defined(MULTIPLICITY)
7766f137 3522START_EXTERN_C
066ef5b5 3523# include "intrpvar.h"
3db8f154 3524# include "thrdvar.h"
7766f137 3525END_EXTERN_C
22239a37
NIS		 3526#endif
3527
acfe0abc 3528#if defined(WIN32)
66a93824 3529/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3530# include "embed.h"
acfe0abc 3531#endif
22239a37 3532
c5be433b
GS		 3533#ifndef PERL_GLOBAL_STRUCT
3534START_EXTERN_C
3535
3536# include "perlvars.h"
3537
3538END_EXTERN_C
3539#endif
3540
d4cce5f1 3541#undef PERLVAR
51371543 3542#undef PERLVARA
d4cce5f1 3543#undef PERLVARI
0f3f18a6 3544#undef PERLVARIC
79072805 3545
73c4f7a1
GS		 3546START_EXTERN_C
3547
79072805 3548#ifdef DOINIT
bbce6d69 3549
68795e93 3550EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3551 MEMBER_TO_FPTR(Perl_magic_set),
3552 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3553 0, 0};
2b260de0
GS		 3554EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3555 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3556 0};
2b260de0
GS		 3557EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3558 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3559 0};
22c35a8c 3560EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3561#ifdef PERL_MICRO
3562EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3563#else
2b260de0
GS		 3564EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3565 MEMBER_TO_FPTR(Perl_magic_setsig),
3566 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3567 0};
64ca3a65 3568#endif
68795e93
NIS		 3569EXT MGVTBL PL_vtbl_pack = {0, 0,
3570 MEMBER_TO_FPTR(Perl_magic_sizepack),
3571 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3572 0};
2b260de0 3573EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3574 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3575 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3576 0};
2b260de0 3577EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3578 0, 0, 0};
2b260de0
GS		 3579EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3580 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3581 0};
2b260de0 3582EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3583 0, 0, 0};
2b260de0
GS		 3584EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3585 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3586 0, 0, 0};
2b260de0
GS		 3587EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3588 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3589 0, 0, 0};
2b260de0 3590EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3591 0, 0, 0};
2b260de0
GS		 3592EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3593 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3594 0, 0, 0};
68795e93
NIS		 3595EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3596 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3597 0, 0, 0};
68795e93
NIS		 3598EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3599 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3600 0, 0, 0};
2b260de0 3601EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3602 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3603 0, 0, 0};
2b260de0
GS		 3604EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3605 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3606 0, 0, 0};
2b260de0 3607EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3608 0, 0, 0};
2b260de0 3609EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3610 0, 0, 0};
2b260de0
GS		 3611EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3612 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3613 0, 0, 0};
68795e93
NIS		 3614EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3615 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3616 0, 0, 0};
a0d0e21e 3617
faf82a0b 3618EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3619EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3620EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3621 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3622
36477c24 3623#ifdef USE_LOCALE_COLLATE
22c35a8c 3624EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3625 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3626 0, 0, 0};
3627#endif
a0d0e21e 3628
2b260de0
GS		 3629EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3630 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3631EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3632 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3633
810b8aa5 3634EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3635 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3636
d460ef45
NIS		 3637EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3638 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3639
7e8c5dac
HS		 3640EXT MGVTBL PL_vtbl_utf8 = {0,
3641 MEMBER_TO_FPTR(Perl_magic_setutf8),
3642 0, 0, 0};
3643
bbce6d69 3644#else /* !DOINIT */
3645
22c35a8c
GS		 3646EXT MGVTBL PL_vtbl_sv;
3647EXT MGVTBL PL_vtbl_env;
3648EXT MGVTBL PL_vtbl_envelem;
3649EXT MGVTBL PL_vtbl_sig;
3650EXT MGVTBL PL_vtbl_sigelem;
3651EXT MGVTBL PL_vtbl_pack;
3652EXT MGVTBL PL_vtbl_packelem;
3653EXT MGVTBL PL_vtbl_dbline;
3654EXT MGVTBL PL_vtbl_isa;
3655EXT MGVTBL PL_vtbl_isaelem;
3656EXT MGVTBL PL_vtbl_arylen;
3657EXT MGVTBL PL_vtbl_glob;
3658EXT MGVTBL PL_vtbl_mglob;
3659EXT MGVTBL PL_vtbl_nkeys;
3660EXT MGVTBL PL_vtbl_taint;
3661EXT MGVTBL PL_vtbl_substr;
3662EXT MGVTBL PL_vtbl_vec;
3663EXT MGVTBL PL_vtbl_pos;
3664EXT MGVTBL PL_vtbl_bm;
3665EXT MGVTBL PL_vtbl_fm;
3666EXT MGVTBL PL_vtbl_uvar;
d460ef45 3667EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3668
22c35a8c
GS		 3669EXT MGVTBL PL_vtbl_defelem;
3670EXT MGVTBL PL_vtbl_regexp;
3671EXT MGVTBL PL_vtbl_regdata;
3672EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3673
36477c24 3674#ifdef USE_LOCALE_COLLATE
22c35a8c 3675EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3676#endif
a0d0e21e 3677
22c35a8c
GS		 3678EXT MGVTBL PL_vtbl_amagic;
3679EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3680
810b8aa5 3681EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3682EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3683
bbce6d69 3684#endif /* !DOINIT */
85e6fe83 3685
f5284f61
IZ		 3686enum {
3687 fallback_amg, abs_amg,
3688 bool__amg, nomethod_amg,
3689 string_amg, numer_amg,
3690 add_amg, add_ass_amg,
3691 subtr_amg, subtr_ass_amg,
3692 mult_amg, mult_ass_amg,
3693 div_amg, div_ass_amg,
3694 modulo_amg, modulo_ass_amg,
3695 pow_amg, pow_ass_amg,
3696 lshift_amg, lshift_ass_amg,
3697 rshift_amg, rshift_ass_amg,
3698 band_amg, band_ass_amg,
3699 bor_amg, bor_ass_amg,
3700 bxor_amg, bxor_ass_amg,
3701 lt_amg, le_amg,
3702 gt_amg, ge_amg,
3703 eq_amg, ne_amg,
3704 ncmp_amg, scmp_amg,
3705 slt_amg, sle_amg,
3706 sgt_amg, sge_amg,
3707 seq_amg, sne_amg,
3708 not_amg, compl_amg,
3709 inc_amg, dec_amg,
3710 atan2_amg, cos_amg,
3711 sin_amg, exp_amg,
3712 log_amg, sqrt_amg,
3713 repeat_amg, repeat_ass_amg,
3714 concat_amg, concat_ass_amg,
3715 copy_amg, neg_amg,
3716 to_sv_amg, to_av_amg,
3717 to_hv_amg, to_gv_amg,
d460ef45 3718 to_cv_amg, iter_amg,
f216259d
IZ		 3719 int_amg, DESTROY_amg,
3720 max_amg_code
64a0062a 3721 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3722};
3723
3724#define NofAMmeth max_amg_code
89ffc314 3725#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3726
a0d0e21e 3727#ifdef DOINIT
22c35a8c 3728EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3729 /* Names kept in the symbol table. fallback => "()", the rest has
3730 "(" prepended. The only other place in perl which knows about
3731 this convention is AMG_id2name (used for debugging output and
3732 'nomethod' only), the only other place which has it hardwired is
3733 overload.pm. */
3734 "()", "(abs", /* "fallback" should be the first. */
3735 "(bool", "(nomethod",
3736 "(\"\"", "(0+",
3737 "(+", "(+=",
3738 "(-", "(-=",
3739 "(*", "(*=",
3740 "(/", "(/=",
3741 "(%", "(%=",
3742 "(**", "(**=",
3743 "(<<", "(<<=",
3744 "(>>", "(>>=",
3745 "(&", "(&=",
3746 "(|", "(|=",
3747 "(^", "(^=",
3748 "(<", "(<=",
3749 "(>", "(>=",
3750 "(==", "(!=",
3751 "(<=>", "(cmp",
3752 "(lt", "(le",
3753 "(gt", "(ge",
3754 "(eq", "(ne",
3755 "(!", "(~",
3756 "(++", "(--",
3757 "(atan2", "(cos",
3758 "(sin", "(exp",
3759 "(log", "(sqrt",
3760 "(x", "(x=",
3761 "(.", "(.=",
3762 "(=", "(neg",
3763 "(${}", "(@{}",
3764 "(%{}", "(*{}",
3765 "(&{}", "(<>",
f216259d 3766 "(int", "DESTROY",
a0d0e21e
LW		 3767};
3768#else
22c35a8c 3769EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3770#endif /* def INITAMAGIC */
3771
73c4f7a1
GS		 3772END_EXTERN_C
3773
a6006777 3774struct am_table {
eb160463 3775 U32 was_ok_sub;
a0d0e21e 3776 long was_ok_am;
a6006777 3777 U32 flags;
3778 CV* table[NofAMmeth];
a0d0e21e
LW		 3779 long fallback;
3780};
a6006777 3781struct am_table_short {
eb160463 3782 U32 was_ok_sub;
a6006777 3783 long was_ok_am;
3784 U32 flags;
3785};
a0d0e21e 3786typedef struct am_table AMT;
a6006777 3787typedef struct am_table_short AMTS;
a0d0e21e
LW		 3788
3789#define AMGfallNEVER 1
3790#define AMGfallNO 2
3791#define AMGfallYES 3
3792
a6006777 3793#define AMTf_AMAGIC 1
32251b26 3794#define AMTf_OVERLOADED 2
a6006777 3795#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3796#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3797#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3798#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3799#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3800#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3801
32251b26 3802#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3803
3804/*
3805 * some compilers like to redefine cos et alia as faster
3806 * (and less accurate?) versions called F_cos et cetera (Quidquid
3807 * latine dictum sit, altum viditur.) This trick collides with
3808 * the Perl overloading (amg). The following #defines fool both.
3809 */
3810
3811#ifdef _FASTMATH
3812# ifdef atan2
3813# define F_atan2_amg atan2_amg
3814# endif
3815# ifdef cos
3816# define F_cos_amg cos_amg
3817# endif
3818# ifdef exp
3819# define F_exp_amg exp_amg
3820# endif
3821# ifdef log
3822# define F_log_amg log_amg
3823# endif
3824# ifdef pow
3825# define F_pow_amg pow_amg
3826# endif
3827# ifdef sin
3828# define F_sin_amg sin_amg
3829# endif
3830# ifdef sqrt
3831# define F_sqrt_amg sqrt_amg
3832# endif
3833#endif /* _FASTMATH */
3834
83ee9e09
GS		 3835#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3836 PERLDBf_NOOPT | PERLDBf_INTER | \
3837 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3838 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3839 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3840#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3841#define PERLDBf_LINE 0x02 /* Keep line # */
3842#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3843#define PERLDBf_INTER 0x08 /* Preserve more data for
3844 later inspections */
3845#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3846#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3847#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3848#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3849#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3850#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3851#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3852
3280af22
NIS		 3853#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3854#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3855#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3856#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3857#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3858#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3859#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3860#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3861#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3862#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3863#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3864
36477c24 3865#ifdef USE_LOCALE_NUMERIC
bbce6d69 3866
36477c24 3867#define SET_NUMERIC_STANDARD() \
ff4fed7c 3868 set_numeric_standard();
36477c24 3869
3870#define SET_NUMERIC_LOCAL() \
ff4fed7c 3871 set_numeric_local();
bbce6d69 3872
2de3dbcc
JH		 3873#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3874#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3875
3876#define IN_LOCALE \
923e4eb5 3877 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 3878
f93f4e46 3879#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3880 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3881 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3882
3883#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3884 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3885 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3886
3887#define RESTORE_NUMERIC_LOCAL() \
3888 if (was_local) SET_NUMERIC_LOCAL();
3889
3890#define RESTORE_NUMERIC_STANDARD() \
3891 if (was_standard) SET_NUMERIC_STANDARD();
3892
5b877257 3893#define Atof my_atof
097ee67d 3894
36477c24 3895#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3896
097ee67d
JH		 3897#define SET_NUMERIC_STANDARD() /**/
3898#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3899#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3900#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3901#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3902#define RESTORE_NUMERIC_LOCAL() /**/
3903#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3904#define Atof my_atof
ad3e0f90 3905#define IN_LOCALE_RUNTIME 0
bbce6d69 3906
36477c24 3907#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3908
079290de 3909#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3910# ifdef __hpux
3911# define strtoll __strtoll /* secret handshake */
3912# endif
c623ac67
GS		 3913# ifdef WIN64
3914# define strtoll _strtoi64 /* secret handshake */
3915# endif
079290de
GS		 3916# if !defined(Strtol) && defined(HAS_STRTOLL)
3917# define Strtol strtoll
ad551343 3918# endif
28e5dec8
JH		 3919# if !defined(Strtol) && defined(HAS_STRTOQ)
3920# define Strtol strtoq
3921# endif
ff935051 3922/* is there atoq() anywhere? */
15b99d39 3923#endif
079290de
GS		 3924#if !defined(Strtol) && defined(HAS_STRTOL)
3925# define Strtol strtol
3926#endif
3927#ifndef Atol
3928/* It would be more fashionable to use Strtol() to define atol()
3929 * (as is done for Atoul(), see below) but for backward compatibility
3930 * we just assume atol(). */
76b882ba 3931# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3932# ifdef WIN64
3933# define atoll _atoi64 /* secret handshake */
3934# endif
76b882ba
JH		 3935# define Atol atoll
3936# else
3937# define Atol atol
3938# endif
cf2093f6
JH		 3939#endif
3940
55eb892c 3941#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3942# ifdef __hpux
3943# define strtoull __strtoull /* secret handshake */
3944# endif
c623ac67
GS		 3945# ifdef WIN64
3946# define strtoull _strtoui64 /* secret handshake */
3947# endif
ad551343 3948# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3949# define Strtoul strtoull
15b99d39 3950# endif
079290de
GS		 3951# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3952# define Strtoul strtouq
3953# endif
76d49b1c 3954/* is there atouq() anywhere? */
ad551343 3955#endif
079290de
GS		 3956#if !defined(Strtoul) && defined(HAS_STRTOUL)
3957# define Strtoul strtoul
cf2093f6 3958#endif
a5523c5b
JH		 3959#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
3960# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
3961#endif
079290de
GS		 3962#ifndef Atoul
3963# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3964#endif
cf2093f6 3965
760ac839 3966
06d86050
GS		 3967/* if these never got defined, they need defaults */
3968#ifndef PERL_SET_CONTEXT
3969# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3970#endif
3971
3972#ifndef PERL_GET_CONTEXT
3973# define PERL_GET_CONTEXT PERL_GET_INTERP
3974#endif
3975
3976#ifndef PERL_GET_THX
3977# define PERL_GET_THX ((void*)NULL)
3978#endif
3979
3980#ifndef PERL_SET_THX
3981# define PERL_SET_THX(t) NOOP
3982#endif
3983
a868473f
NIS		 3984#ifndef PERL_SCRIPT_MODE
3985#define PERL_SCRIPT_MODE "r"
3986#endif
3987
fba3b22e 3988/*
da927450
JH		 3989 * Some operating systems are stingy with stack allocation,
3990 * so perl may have to guard against stack overflow.
3991 */
3992#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3993#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3994#endif
3995
3996/*
3997 * Some nonpreemptive operating systems find it convenient to
3998 * check for asynchronous conditions after each op execution.
3999 * Keep this check simple, or it may slow down execution
4000 * massively.
4001 */
ce08f86c 4002
1d615522 4003#ifndef PERL_MICRO
4ffa73a3
JH		 4004# ifndef PERL_ASYNC_CHECK
4005# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4006# endif
ce08f86c
NIS		 4007#endif
4008
da927450 4009#ifndef PERL_ASYNC_CHECK
1d615522 4010# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 4011#endif
4012
4013/*
4014 * On some operating systems, a memory allocation may succeed,
4015 * but put the process too close to the system's comfort limit.
4016 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4017 * it to NULL.
4018 */
4019#ifndef PERL_ALLOC_CHECK
c2af87cb 4020#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 4021#endif
4022
4023/*
fba3b22e
MB		 4024 * nice_chunk and nice_chunk size need to be set
4025 * and queried under the protection of sv_mutex
4026 */
30ad99e7
MJD		 4027#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4028 void *new_chunk; \
4029 U32 new_chunk_size; \
4030 LOCK_SV_MUTEX; \
4031 new_chunk = (void *)(chunk); \
4032 new_chunk_size = (chunk_size); \
4033 if (new_chunk_size > PL_nice_chunk_size) { \
4034 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4035 PL_nice_chunk = new_chunk; \
4036 PL_nice_chunk_size = new_chunk_size; \
4037 } else { \
4038 Safefree(chunk); \
4039 } \
4040 UNLOCK_SV_MUTEX; \
4041 } STMT_END
fba3b22e 4042
bd89102f
AD		 4043#ifdef HAS_SEM
4044# include <sys/ipc.h>
4045# include <sys/sem.h>
4046# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4047 union semun {
dbba660d
TC		 4048 int val;
4049 struct semid_ds *buf;
4050 unsigned short *array;
bd89102f
AD		 4051 };
4052# endif
4053# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4054# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4055 union gccbug_semun {
4056 int val;
4057 struct semid_ds *buf;
4058 unsigned short *array;
4059 char __dummy[5];
4060 };
4061# define semun gccbug_semun
4062# endif
bd89102f
AD		 4063# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4064# else
4065# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4066# ifdef EXTRA_F_IN_SEMUN_BUF
4067# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4068# else
4069# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4070# endif
bd89102f
AD		 4071# endif
4072# endif
bd89102f 4073#endif
49f531da 4074
89ca4ac7
JH		 4075/*
4076 * Boilerplate macros for initializing and accessing interpreter-local
4077 * data from C. All statics in extensions should be reworked to use
4078 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4079 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4080 *
4081 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4082 * 1. #define MY_CXT_KEY to a unique string, e.g.
4083 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4084 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4085 * all the data that needs to be interpreter-local.
4086 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4087 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4088 * (typically put in the BOOT: section).
4089 * 5. Use the members of the my_cxt_t structure everywhere as
4090 * MY_CXT.member.
4091 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4092 * access MY_CXT.
4093 */
4094
fc958cd2 4095#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4096
4097/* This must appear in all extensions that define a my_cxt_t structure,
4098 * right after the definition (i.e. at file scope). The non-threads
4099 * case below uses it to declare the data as static. */
4100#define START_MY_CXT
4101
4102/* Fetches the SV that keeps the per-interpreter data. */
4103#define dMY_CXT_SV \
4104 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4105 sizeof(MY_CXT_KEY)-1, TRUE)
4106
4107/* This declaration should be used within all functions that use the
4108 * interpreter-local data. */
4109#define dMY_CXT \
4110 dMY_CXT_SV; \
ec0e15e0 4111 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4112
4113/* Creates and zeroes the per-interpreter data.
4114 * (We allocate my_cxtp in a Perl SV so that it will be released when
4115 * the interpreter goes away.) */
4116#define MY_CXT_INIT \
4117 dMY_CXT_SV; \
4118 /* newSV() allocates one more than needed */ \
4119 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4120 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4121 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4122
4123/* This macro must be used to access members of the my_cxt_t structure.
4124 * e.g. MYCXT.some_data */
4125#define MY_CXT (*my_cxtp)
4126
4127/* Judicious use of these macros can reduce the number of times dMY_CXT
4128 * is used. Use is similar to pTHX, aTHX etc. */
4129#define pMY_CXT my_cxt_t *my_cxtp
4130#define pMY_CXT_ pMY_CXT,
4131#define _pMY_CXT ,pMY_CXT
4132#define aMY_CXT my_cxtp
4133#define aMY_CXT_ aMY_CXT,
4134#define _aMY_CXT ,aMY_CXT
4135
4136#else /* USE_ITHREADS */
4137
4138#define START_MY_CXT static my_cxt_t my_cxt;
4139#define dMY_CXT_SV dNOOP
4140#define dMY_CXT dNOOP
4141#define MY_CXT_INIT NOOP
4142#define MY_CXT my_cxt
4143
4144#define pMY_CXT void
4145#define pMY_CXT_
4146#define _pMY_CXT
4147#define aMY_CXT
4148#define aMY_CXT_
4149#define _aMY_CXT
4150
4151#endif /* !defined(USE_ITHREADS) */
4152
9a34ef1d
GS		 4153#ifdef I_FCNTL
4154# include <fcntl.h>
9a34ef1d
GS		 4155#endif
4156
9cffb111
OS		 4157#ifdef __Lynx__
4158# include <fcntl.h>
4159#endif
4160
9a34ef1d
GS		 4161#ifdef I_SYS_FILE
4162# include <sys/file.h>
4163#endif
4164
fa0a29af 4165#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4166int flock(int fd, int op);
4167#endif
4168
fe52b3b7
GS		 4169#ifndef O_RDONLY
4170/* Assume UNIX defaults */
4171# define O_RDONLY 0000
4172# define O_WRONLY 0001
4173# define O_RDWR 0002
4174# define O_CREAT 0100
4175#endif
9a34ef1d 4176
16fe6d59
GS		 4177#ifndef O_BINARY
4178# define O_BINARY 0
4179#endif
4180
4181#ifndef O_TEXT
4182# define O_TEXT 0
4183#endif
4184
6ce75a77
JH		 4185#if O_TEXT != O_BINARY
4186 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4187 * that is, you are somehow DOSish. */
538204d5 4188# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4189 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4190 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4191 /* VOS has O_TEXT != O_BINARY, and they have effect,
4192 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4193 /* If you have O_TEXT different from your O_BINARY but you still are
4194 * not a CRLF shop. */
35990314 4195# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4196# else
4197 /* If you really are DOSish. */
4198# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4199# endif
4200#endif
4201
104d25b7
JH		 4202#ifdef IAMSUID
4203
4204#ifdef I_SYS_STATVFS
9f982a77
IG		 4205# if defined(PERL_SCO) && !defined(_SVID3)
4206# define _SVID3
4207# endif
32b3cf08
JH		 4208# include <sys/statvfs.h> /* for f?statvfs() */
4209#endif
4210#ifdef I_SYS_MOUNT
4211# include <sys/mount.h> /* for *BSD f?statfs() */
4212#endif
4213#ifdef I_MNTENT
4214# include <mntent.h> /* for getmntent() */
104d25b7 4215#endif
0545a864
JH		 4216#ifdef I_SYS_STATFS
4217# include <sys/statfs.h> /* for some statfs() */
4218#endif
4219#ifdef I_SYS_VFS
8d9e1a19
GS		 4220# ifdef __sgi
4221# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4222# endif
4223# include <sys/vfs.h> /* for some statfs() */
4224# ifdef __sgi
4225# undef IRIX_sv
4226# endif
0545a864
JH		 4227#endif
4228#ifdef I_USTAT
4229# include <ustat.h> /* for ustat() */
4230#endif
4231
4232#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4233# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4234#endif
4235#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4236# define PERL_MOUNT_NOSUID MNT_NOSUID
4237#endif
4238#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4239# define PERL_MOUNT_NOSUID MS_NOSUID
4240#endif
4241#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4242# define PERL_MOUNT_NOSUID M_NOSUID
4243#endif
104d25b7
JH		 4244
4245#endif /* IAMSUID */
4246
4bc88a62
PS		 4247#ifdef I_LIBUTIL
4248# include <libutil.h> /* setproctitle() in some FreeBSDs */
4249#endif
4250
b4748376
NIS		 4251#ifndef EXEC_ARGV_CAST
4252#define EXEC_ARGV_CAST(x) x
4253#endif
4254
dd5dc04f
JH		 4255#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4256 int). value returned in pointed-
4257 to UV */
4258#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4259#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4260#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4261#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4262#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4263
4264#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4265
53305cf1
NC		 4266/* Input flags: */
4267#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4268#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4269#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4270/* Output flags: */
4271#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4272
2c4f7f0e
DM		 4273/* to let user control profiling */
4274#ifdef PERL_GPROF_CONTROL
4275extern void moncontrol(int);
4276#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4277#else
4278#define PERL_GPROF_MONCONTROL(x)
4279#endif
4280
ae0e3d3b
JH		 4281#ifdef UNDER_CE
4282#include "wince.h"
4283#endif
4284
4285/* ISO 6429 NEL - C1 control NExt Line */
4286/* See http://www.unicode.org/unicode/reports/tr13/ */
4287#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4288# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4289# define NEXT_LINE_CHAR 0x15
4290# else /* CDRA */
4291# define NEXT_LINE_CHAR 0x25
4292# endif
4293#else
4294# define NEXT_LINE_CHAR 0x85
4295#endif
4296
4297/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4298#define UNICODE_LINE_SEPA_0 0xE2
4299#define UNICODE_LINE_SEPA_1 0x80
4300#define UNICODE_LINE_SEPA_2 0xA8
4301#define UNICODE_PARA_SEPA_0 0xE2
4302#define UNICODE_PARA_SEPA_1 0x80
4303#define UNICODE_PARA_SEPA_2 0xA9
4304
479b2847
GS		 4305#ifndef PIPESOCK_MODE
4306# define PIPESOCK_MODE
4307#endif
4308
460c8493
IZ		 4309#ifndef SOCKET_OPEN_MODE
4310# define SOCKET_OPEN_MODE PIPESOCK_MODE
4311#endif
4312
4313#ifndef PIPE_OPEN_MODE
4314# define PIPE_OPEN_MODE PIPESOCK_MODE
4315#endif
4316
7e8c5dac
HS		 4317#define PERL_MAGIC_UTF8_CACHESIZE 2
4318
a05d7ebb
JH		 4319#define PERL_UNICODE_STDIN_FLAG 0x0001
4320#define PERL_UNICODE_STDOUT_FLAG 0x0002
4321#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4322#define PERL_UNICODE_IN_FLAG 0x0008
4323#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4324#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4325#define PERL_UNICODE_LOCALE_FLAG 0x0040
4326#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4327
06e66572
JH		 4328#define PERL_UNICODE_STD_FLAG \
4329 (PERL_UNICODE_STDIN_FLAG | \
4330 PERL_UNICODE_STDOUT_FLAG | \
4331 PERL_UNICODE_STDERR_FLAG)
4332
4333#define PERL_UNICODE_INOUT_FLAG \
4334 (PERL_UNICODE_IN_FLAG | \
4335 PERL_UNICODE_OUT_FLAG)
4336
4337#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4338 (PERL_UNICODE_STD_FLAG | \
4339 PERL_UNICODE_INOUT_FLAG | \
4340 PERL_UNICODE_LOCALE_FLAG)
4341
4342#define PERL_UNICODE_ALL_FLAGS 0x00ff
4343
4344#define PERL_UNICODE_STDIN 'I'
4345#define PERL_UNICODE_STDOUT 'O'
4346#define PERL_UNICODE_STDERR 'E'
4347#define PERL_UNICODE_STD 'S'
4348#define PERL_UNICODE_IN 'i'
4349#define PERL_UNICODE_OUT 'o'
4350#define PERL_UNICODE_INOUT 'D'
4351#define PERL_UNICODE_ARGV 'A'
4352#define PERL_UNICODE_LOCALE 'L'
4353#define PERL_UNICODE_WIDESYSCALLS 'W'
4354
4ffa73a3
JH		 4355#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4356
16bd9a85
JH		 4357/* From sigaction(2) (FreeBSD man page):
4358 * | Signal routines normally execute with the signal that
4359 * | caused their invocation blocked, but other signals may
4360 * | yet occur.
4361 * Emulation of this behavior (from within Perl) is enabled
4362 * by defining PERL_BLOCK_SIGNALS.
4363 */
4364#define PERL_BLOCK_SIGNALS
4365
4366#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4367# define PERL_BLOCKSIG_ADD(set,sig) \
4368 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4369# define PERL_BLOCKSIG_BLOCK(set) \
4370 sigprocmask(SIG_BLOCK, &(set), NULL)
4371# define PERL_BLOCKSIG_UNBLOCK(set) \
4372 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4373#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4374
4375/* How about the old style of sigblock()? */
4376
4377#ifndef PERL_BLOCKSIG_ADD
4378# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4379#endif
4380#ifndef PERL_BLOCKSIG_BLOCK
4381# define PERL_BLOCKSIG_BLOCK(set) NOOP
4382#endif
2bfba5f0 4383#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4384# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4385#endif
4386
32fdb065 4387/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4388 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4389#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4390
4d8076ea 4391/* and finally... */
cceca5ed 4392#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4393#include "patchlevel.h"
cceca5ed 4394#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4395
43999f95 4396/* Mention
d460ef45 4397
43999f95 4398 NV_PRESERVES_UV
fe749a9f 4399
fe749a9f
JH		 4400 HAS_MKSTEMP
4401 HAS_MKSTEMPS
4402 HAS_MKDTEMP
4403
49dabb45
JH		 4404 HAS_GETCWD
4405
d59b5429 4406 HAS_MMAP
fe749a9f
JH		 4407 HAS_MPROTECT
4408 HAS_MSYNC
1e8c3fde 4409 HAS_MADVISE
fe749a9f
JH		 4410 HAS_MUNMAP
4411 I_SYSMMAN
4412 Mmap_t
4413
6b4667fc
A		 4414 NVef
4415 NVff
4416 NVgf
4417
4e0554ec 4418 HAS_UALARM
2d736872 4419 HAS_USLEEP
4e0554ec
JH		 4420
4421 HAS_SETITIMER
4422 HAS_GETITIMER
4423
4424 HAS_SENDMSG
4425 HAS_RECVMSG
4426 HAS_READV
4427 HAS_WRITEV
4428 I_SYSUIO
4429 HAS_STRUCT_MSGHDR
4430 HAS_STRUCT_CMSGHDR
4431
2765b840 4432 HAS_NL_LANGINFO
0a7020c9 4433
ae0e3d3b 4434 HAS_DIRFD
2765b840 4435
43999f95
JH		 4436 so that Configure picks them up. */
4437
85e6fe83 4438#endif /* Include guard */
ae0e3d3b 4439
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