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Localize PARENT (based on Ilya's microperl patch).
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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
ba979b31
NIS		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
6916a0ab
NIS		 51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 53# endif
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
3da75212
MB		 131# if defined(__GNUC__) && defined(__cplusplus)
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
6ee623d5 250#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 251# define BYTEORDER 0x1234
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
2986a63f 282#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
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
583 # pragma function(memcmp)
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
0f27ced1
JH		 603#ifndef memchr
604# ifndef HAS_MEMCHR
605# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
606# endif
607#endif
608
36477c24 609#ifndef HAS_BCMP
610# ifndef bcmp
611# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 612# endif
36477c24 613#endif /* !HAS_BCMP */
378cc40b 614
ae986130 615#ifdef I_NETINET_IN
79072805 616# include <netinet/in.h>
ae986130
LW		 617#endif
618
28e8609d
JH		 619#ifdef I_ARPA_INET
620# include <arpa/inet.h>
621#endif
622
84902520
TB		 623#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
624/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
625 * (the neo-BSD seem to do this). */
626# undef SF_APPEND
627#endif
628
1aef975c 629#ifdef I_SYS_STAT
84902520 630# include <sys/stat.h>
1aef975c 631#endif
79072805 632
a0d0e21e
LW		 633/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
634 like UTekV) are broken, sometimes giving false positives. Undefine
635 them here and let the code below set them to proper values.
636
637 The ghs macro stands for GreenHills Software C-1.8.5 which
638 is the C compiler for sysV88 and the various derivatives.
639 This header file bug is corrected in gcc-2.5.8 and later versions.
640 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
641
642#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 643# undef S_ISDIR
644# undef S_ISCHR
645# undef S_ISBLK
646# undef S_ISREG
647# undef S_ISFIFO
648# undef S_ISLNK
ee0007ab 649#endif
135863df 650
663a0e37
LW		 651#ifdef I_TIME
652# include <time.h>
ffed7fef 653#endif
663a0e37 654
fe14fcc3 655#ifdef I_SYS_TIME
85e6fe83 656# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 657# define KERNEL
658# endif
659# include <sys/time.h>
85e6fe83 660# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 661# undef KERNEL
662# endif
a687059c 663#endif
135863df 664
55497cff 665#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 666# include <sys/times.h>
d9d8d8de 667#endif
8d063cd8 668
fe14fcc3 669#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 670# undef HAS_STRERROR
663a0e37
LW		 671#endif
672
673#include <errno.h>
1e743fda 674
acfe0abc 675#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 676# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
677#endif
678
8cfab5ff
JH		 679/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
680 * This is important for using IPv6.
681 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
682 * a bad idea since it breaks send() and recv(). */
683#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
684# define _SOCKADDR_LEN
685#endif
686
8d3f517a 687#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 688# include <sys/socket.h>
689# if defined(USE_SOCKS) && defined(I_SOCKS)
690# if !defined(INCLUDE_PROTOTYPES)
691# define INCLUDE_PROTOTYPES /* for <socks.h> */
692# define PERL_SOCKS_NEED_PROTOTYPES
693# endif
694# include <socks.h>
695# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
696# undef INCLUDE_PROTOTYPES
697# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 698# endif
d460ef45 699# endif
1e743fda 700# ifdef I_NETDB
2986a63f
JH		 701# ifdef NETWARE
702# include<stdio.h>
703# endif
1e743fda
JH		 704# include <netdb.h>
705# endif
706# ifndef ENOTSOCK
707# ifdef I_NET_ERRNO
708# include <net/errno.h>
709# endif
710# endif
711#endif
712
fa0a29af 713/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 714 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 715#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 716int sockatmark(int);
717#endif
718
1e743fda
JH		 719#ifdef SETERRNO
720# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 721#endif
f86702cc 722
723#ifdef VMS
724# define SETERRNO(errcode,vmserrcode) \
725 STMT_START { \
726 set_errno(errcode); \
727 set_vaxc_errno(vmserrcode); \
728 } STMT_END
93189314
JH		 729# define LIB_INVARG LIB$_INVARG
730# define RMS_DIR RMS$_DIR
731# define RMS_FAC RMS$_FAC
732# define RMS_FEX RMS$_FEX
733# define RMS_FNF RMS$_FNF
734# define RMS_IFI RMS$_IFI
735# define RMS_ISI RMS$_ISI
736# define RMS_PRV RMS$_PRV
737# define SS_ACCVIO SS$_ACCVIO
738# define SS_DEVOFFLINE SS$_DEVOFFLINE
739# define SS_IVCHAN SS$_IVCHAN
740# define SS_NORMAL SS$_NORMAL
748a9306 741#else
aba27d88 742# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 743# define LIB_INVARG 0
744# define RMS_DIR 0
745# define RMS_FAC 0
746# define RMS_FEX 0
747# define RMS_FNF 0
748# define RMS_IFI 0
749# define RMS_ISI 0
750# define RMS_PRV 0
751# define SS_ACCVIO 0
752# define SS_DEVOFFLINE 0
753# define SS_IVCHAN 0
754# define SS_NORMAL 0
748a9306 755#endif
ed6116ce 756
3db8f154
MB		 757#define ERRSV GvSV(PL_errgv)
758#define DEFSV GvSV(PL_defgv)
759#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 760
98eae8f5
GS		 761#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
762
55497cff 763#ifndef errno
5ff3f7a4
GS		 764 extern int errno; /* ANSI allows errno to be an lvalue expr.
765 * For example in multithreaded environments
766 * something like this might happen:
767 * extern int *_errno(void);
768 * #define errno (*_errno()) */
d9d8d8de 769#endif
663a0e37 770
2304df62 771#ifdef HAS_STRERROR
a0d0e21e 772# ifdef VMS
20ce7b12 773 char *strerror (int,...);
a0d0e21e 774# else
68dc0745 775#ifndef DONT_DECLARE_STD
20ce7b12 776 char *strerror (int);
68dc0745 777#endif
a0d0e21e 778# endif
2304df62
AD		 779# ifndef Strerror
780# define Strerror strerror
781# endif
782#else
783# ifdef HAS_SYS_ERRLIST
79072805
LW		 784 extern int sys_nerr;
785 extern char *sys_errlist[];
2304df62
AD		 786# ifndef Strerror
787# define Strerror(e) \
79072805 788 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 789# endif
79072805 790# endif
35c8bce7 791#endif
663a0e37 792
2304df62 793#ifdef I_SYS_IOCTL
79072805
LW		 794# ifndef _IOCTL_
795# include <sys/ioctl.h>
796# endif
a687059c
LW		 797#endif
798
ee0007ab 799#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 800# ifdef HAS_SOCKETPAIR
801# undef HAS_SOCKETPAIR
802# endif
2304df62
AD		 803# ifdef I_NDBM
804# undef I_NDBM
79072805 805# endif
a687059c
LW		 806#endif
807
02fc2eee
NC		 808#ifndef HAS_SOCKETPAIR
809# ifdef HAS_SOCKET
810# define socketpair Perl_my_socketpair
811# endif
812#endif
813
a687059c 814#if INTSIZE == 2
79072805
LW		 815# define htoni htons
816# define ntohi ntohs
a687059c 817#else
79072805
LW		 818# define htoni htonl
819# define ntohi ntohl
a687059c
LW		 820#endif
821
a0d0e21e 822/* Configure already sets Direntry_t */
35c8bce7 823#if defined(I_DIRENT)
663a0e37 824# include <dirent.h>
8f1f23e8
W		 825 /* NeXT needs dirent + sys/dir.h */
826# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 827# include <sys/dir.h>
828# endif
ae986130 829#else
fe14fcc3 830# ifdef I_SYS_NDIR
79a0689e 831# include <sys/ndir.h>
663a0e37 832# else
fe14fcc3 833# ifdef I_SYS_DIR
79a0689e
LW		 834# ifdef hp9000s500
835# include <ndir.h> /* may be wrong in the future */
836# else
837# include <sys/dir.h>
838# endif
663a0e37
LW		 839# endif
840# endif
4633a7c4 841#endif
a687059c 842
12ae5dfc
JH		 843#ifdef PERL_MICRO
844# ifndef DIR
845# define DIR void
846# endif
847#endif
848
352d5a3a
LW		 849#ifdef FPUTS_BOTCH
850/* work around botch in SunOS 4.0.1 and 4.0.2 */
851# ifndef fputs
79072805 852# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 853# endif
854#endif
855
c623bd54
LW		 856/*
857 * The following gobbledygook brought to you on behalf of __STDC__.
858 * (I could just use #ifndef __STDC__, but this is more bulletproof
859 * in the face of half-implementations.)
860 */
861
7114a2d2 862#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 863#include <sys/mode.h>
864#endif
865
c623bd54
LW		 866#ifndef S_IFMT
867# ifdef _S_IFMT
868# define S_IFMT _S_IFMT
869# else
870# define S_IFMT 0170000
871# endif
872#endif
873
874#ifndef S_ISDIR
875# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
876#endif
877
878#ifndef S_ISCHR
879# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
880#endif
881
882#ifndef S_ISBLK
fe14fcc3
LW		 883# ifdef S_IFBLK
884# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
885# else
886# define S_ISBLK(m) (0)
887# endif
c623bd54
LW		 888#endif
889
890#ifndef S_ISREG
891# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
892#endif
893
894#ifndef S_ISFIFO
fe14fcc3
LW		 895# ifdef S_IFIFO
896# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
897# else
898# define S_ISFIFO(m) (0)
899# endif
c623bd54
LW		 900#endif
901
902#ifndef S_ISLNK
903# ifdef _S_ISLNK
904# define S_ISLNK(m) _S_ISLNK(m)
905# else
906# ifdef _S_IFLNK
907# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
908# else
909# ifdef S_IFLNK
910# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
911# else
912# define S_ISLNK(m) (0)
913# endif
914# endif
915# endif
916#endif
917
918#ifndef S_ISSOCK
919# ifdef _S_ISSOCK
920# define S_ISSOCK(m) _S_ISSOCK(m)
921# else
922# ifdef _S_IFSOCK
923# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
924# else
925# ifdef S_IFSOCK
926# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
927# else
928# define S_ISSOCK(m) (0)
929# endif
930# endif
931# endif
932#endif
933
934#ifndef S_IRUSR
935# ifdef S_IREAD
936# define S_IRUSR S_IREAD
937# define S_IWUSR S_IWRITE
938# define S_IXUSR S_IEXEC
939# else
940# define S_IRUSR 0400
941# define S_IWUSR 0200
942# define S_IXUSR 0100
943# endif
fac7cdfc
JS		 944#endif
945
946#ifndef S_IRGRP
947# ifdef S_IRUSR
948# define S_IRGRP (S_IRUSR>>3)
949# define S_IWGRP (S_IWUSR>>3)
950# define S_IXGRP (S_IXUSR>>3)
951# else
952# define S_IRGRP 0040
953# define S_IWGRP 0020
954# define S_IXGRP 0010
955# endif
956#endif
957
958#ifndef S_IROTH
959# ifdef S_IRUSR
960# define S_IROTH (S_IRUSR>>6)
961# define S_IWOTH (S_IWUSR>>6)
962# define S_IXOTH (S_IXUSR>>6)
963# else
964# define S_IROTH 0040
965# define S_IWOTH 0020
966# define S_IXOTH 0010
967# endif
c623bd54
LW		 968#endif
969
970#ifndef S_ISUID
971# define S_ISUID 04000
972#endif
973
974#ifndef S_ISGID
975# define S_ISGID 02000
976#endif
977
ca6e1c26
JH		 978#ifndef S_IRWXU
979# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 980#endif
ca6e1c26
JH		 981
982#ifndef S_IRWXG
983# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 984#endif
ca6e1c26
JH		 985
986#ifndef S_IRWXO
987# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 988#endif
ca6e1c26 989
c21fb2b8
JH		 990/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
991 * which would get included through <sys/file.h >, but that is 3000
992 * lines in the future. --jhi */
993
994#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 995# define S_IREAD S_IRUSR
996#endif
997
c21fb2b8 998#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 999# define S_IWRITE S_IWUSR
1000#endif
1001
1002#ifndef S_IEXEC
1003# define S_IEXEC S_IXUSR
1004#endif
1005
79072805
LW		 1006#ifdef ff_next
1007# undef ff_next
352d5a3a
LW		 1008#endif
1009
a0d0e21e 1010#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1011# define SLOPPYDIVIDE
1012#endif
1013
748a9306
LW		 1014#ifdef UV
1015#undef UV
1016#endif
1017
c89df6bf
JH		 1018#ifdef SPRINTF_E_BUG
1019# define sprintf UTS_sprintf_wrap
1020#endif
1021
c495e728
JH		 1022/* Configure gets this right but the UTS compiler gets it wrong.
1023 -- Hal Morris <hom00@utsglobal.com> */
1024#ifdef UTS
1025# undef UVTYPE
1026# define UVTYPE unsigned
1027#endif
1028
05f13f53 1029/*
27d4fb96 1030 The IV type is supposed to be long enough to hold any integral
1031 value or a pointer.
1032 --Andy Dougherty August 1996
1033*/
1034
a22e52b9
JH		 1035typedef IVTYPE IV;
1036typedef UVTYPE UV;
8175356b 1037
10cc9d2a 1038#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1039# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1040# define IV_MAX INT64_MAX
1041# define IV_MIN INT64_MIN
1042# define UV_MAX UINT64_MAX
cae7ae48
JH		 1043# ifndef UINT64_MIN
1044# define UINT64_MIN 0
1045# endif
5ff3f7a4
GS		 1046# define UV_MIN UINT64_MIN
1047# else
1048# define IV_MAX PERL_QUAD_MAX
1049# define IV_MIN PERL_QUAD_MIN
1050# define UV_MAX PERL_UQUAD_MAX
1051# define UV_MIN PERL_UQUAD_MIN
1052# endif
cf2093f6
JH		 1053# define IV_IS_QUAD
1054# define UV_IS_QUAD
79072805 1055#else
8175356b 1056# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1057# define IV_MAX INT32_MAX
1058# define IV_MIN INT32_MIN
716026f9
DL		 1059# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1060# define UV_MAX UINT32_MAX
1061# else
1062# define UV_MAX 4294967295U
1063# endif
cae7ae48
JH		 1064# ifndef UINT32_MIN
1065# define UINT32_MIN 0
1066# endif
5ff3f7a4
GS		 1067# define UV_MIN UINT32_MIN
1068# else
1069# define IV_MAX PERL_LONG_MAX
1070# define IV_MIN PERL_LONG_MIN
1071# define UV_MAX PERL_ULONG_MAX
1072# define UV_MIN PERL_ULONG_MIN
1073# endif
8175356b 1074# if IVSIZE == 8
cf2093f6
JH		 1075# define IV_IS_QUAD
1076# define UV_IS_QUAD
de1c2614
JH		 1077# ifndef HAS_QUAD
1078# define HAS_QUAD
1079# endif
cf2093f6
JH		 1080# else
1081# undef IV_IS_QUAD
1082# undef UV_IS_QUAD
de1c2614 1083# undef HAS_QUAD
cf2093f6 1084# endif
79072805 1085#endif
d7d93a81 1086
6cde8aec 1087#if defined(uts) || defined(UTS)
11afe549
HM		 1088# undef UV_MAX
1089# define UV_MAX (4294967295u)
20601011
JH		 1090#endif
1091
cae7ae48 1092#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1093#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1094
28e5dec8 1095#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1096#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1097#endif
1098
d460ef45 1099/*
26bb67e2
JH		 1100 * The macros INT2PTR and NUM2PTR are (despite their names)
1101 * bi-directional: they will convert int/float to or from pointers.
1102 * However the conversion to int/float are named explicitly:
1103 * PTR2IV, PTR2UV, PTR2NV.
1104 *
1105 * For int conversions we do not need two casts if pointers are
1106 * the same size as IV and UV. Otherwise we need an explicit
1107 * cast (PTRV) to avoid compiler warnings.
1108 */
56431972
RB		 1109#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1110# define PTRV UV
1111# define INT2PTR(any,d) (any)(d)
1112#else
d460ef45 1113# if PTRSIZE == LONGSIZE
56431972 1114# define PTRV unsigned long
42718184 1115# else
56431972 1116# define PTRV unsigned
42718184 1117# endif
56431972 1118# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1119#endif
56431972
RB		 1120#define NUM2PTR(any,d) (any)(PTRV)(d)
1121#define PTR2IV(p) INT2PTR(IV,p)
1122#define PTR2UV(p) INT2PTR(UV,p)
1123#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1124#if PTRSIZE == LONGSIZE
d2560b70
RB		 1125# define PTR2ul(p) (unsigned long)(p)
1126#else
1127# define PTR2ul(p) INT2PTR(unsigned long,p)
1128#endif
d460ef45 1129
65202027 1130#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1131# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1132# define LONG_DOUBLE_EQUALS_DOUBLE
1133# endif
68d4903c 1134# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1135# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1136# endif
1137#endif
1138
2d4389e4
JH		 1139#ifdef OVR_DBL_DIG
1140/* Use an overridden DBL_DIG */
1141# ifdef DBL_DIG
1142# undef DBL_DIG
1143# endif
1144# define DBL_DIG OVR_DBL_DIG
1145#else
1146/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1147 default value for printing floating point numbers in Gconvert
1148 (see config.h). (It also has other uses, such as figuring out if
1149 a given precision of printing can be done with a double instead of
1150 a long double - Allen).
2d4389e4
JH		 1151*/
1152#ifdef I_LIMITS
1153#include <limits.h>
1154#endif
1155#ifdef I_FLOAT
1156#include <float.h>
1157#endif
1158#ifndef HAS_DBL_DIG
1159#define DBL_DIG 15 /* A guess that works lots of places */
1160#endif
1161#endif
cbca01e1
JH		 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
2d4389e4
JH		 1168
1169#ifdef OVR_LDBL_DIG
1170/* Use an overridden LDBL_DIG */
1171# ifdef LDBL_DIG
1172# undef LDBL_DIG
1173# endif
1174# define LDBL_DIG OVR_LDBL_DIG
1175#else
1176/* The following is all to get LDBL_DIG, in order to pick a nice
1177 default value for printing floating point numbers in Gconvert.
1178 (see config.h)
1179*/
68d4903c
JH		 1180# ifdef I_LIMITS
1181# include <limits.h>
1182# endif
1183# ifdef I_FLOAT
1184# include <float.h>
1185# endif
1186# ifndef HAS_LDBL_DIG
1187# if LONG_DOUBLESIZE == 10
1188# define LDBL_DIG 18 /* assume IEEE */
1189# else
1190# if LONG_DOUBLESIZE == 12
1191# define LDBL_DIG 18 /* gcc? */
1192# else
1193# if LONG_DOUBLESIZE == 16
1194# define LDBL_DIG 33 /* assume IEEE */
1195# else
1196# if LONG_DOUBLESIZE == DOUBLESIZE
1197# define LDBL_DIG DBL_DIG /* bummer */
1198# endif
1199# endif
1200# endif
1201# endif
1202# endif
2d4389e4
JH		 1203#endif
1204
20f6aaab
AS		 1205/*
1206 * This is for making sure we have a good DBL_MAX value, if possible,
1207 * either for usage as NV_MAX or for usage in figuring out if we can
1208 * fit a given long double into a double, if bug-fixing makes it
1209 * necessary to do so. - Allen <allens@cpan.org>
1210 */
1211
205f51d8
AS		 1212#ifdef I_LIMITS
1213# include <limits.h>
20f6aaab
AS		 1214#endif
1215
205f51d8
AS		 1216#ifdef I_VALUES
1217# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1218# include <values.h>
1219# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1220# define DBL_MAX MAXDOUBLE
1221# endif
1222# if defined(MINDOUBLE) && !defined(DBL_MIN)
1223# define DBL_MIN MINDOUBLE
1224# endif
1225# endif
1226#endif /* defined(I_VALUES) */
1227
a22e52b9 1228typedef NVTYPE NV;
8175356b 1229
792d8dab
JH		 1230#ifdef I_IEEEFP
1231# include <ieeefp.h>
1232#endif
923fc586 1233
65202027 1234#ifdef USE_LONG_DOUBLE
923fc586
JH		 1235# ifdef I_SUNMATH
1236# include <sunmath.h>
1237# endif
2d4389e4 1238# define NV_DIG LDBL_DIG
d6c14000
JH		 1239# ifdef LDBL_MANT_DIG
1240# define NV_MANT_DIG LDBL_MANT_DIG
1241# endif
06fc1729
JH		 1242# ifdef LDBL_MIN
1243# define NV_MIN LDBL_MIN
1244# endif
1245# ifdef LDBL_MAX
1246# define NV_MAX LDBL_MAX
1247# endif
1248# ifdef LDBL_MIN_10_EXP
1249# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1250# endif
1251# ifdef LDBL_MAX_10_EXP
1252# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1253# endif
1254# ifdef LDBL_EPSILON
1255# define NV_EPSILON LDBL_EPSILON
1256# endif
f4a14a62
JH		 1257# ifdef LDBL_MAX
1258# define NV_MAX LDBL_MAX
20f6aaab 1259/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1260# else
1261# ifdef HUGE_VALL
1262# define NV_MAX HUGE_VALL
1263# else
1264# ifdef HUGE_VAL
1265# define NV_MAX ((NV)HUGE_VAL)
1266# endif
1267# endif
1268# endif
68d4903c 1269# ifdef HAS_SQRTL
68d4903c
JH		 1270# define Perl_cos cosl
1271# define Perl_sin sinl
1272# define Perl_sqrt sqrtl
1273# define Perl_exp expl
1274# define Perl_log logl
1275# define Perl_atan2 atan2l
1276# define Perl_pow powl
1277# define Perl_floor floorl
1278# define Perl_fmod fmodl
1279# endif
a3540c92
JH		 1280/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1281# ifdef HAS_MODFL
1282# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1283/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1284 prototype in <math.h> */
1285# ifndef HAS_MODFL_PROTO
1286long double modfl(long double, long double *);
1287# endif
03476e8e
JH		 1288# else
1289# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1290 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1291# define Perl_modf(x,y) Perl_my_modfl(x,y)
1292# endif
a3540c92
JH		 1293# endif
1294# ifdef HAS_FREXPL
dff3e0b8 1295# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1296# else
1297# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1298 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1299# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1300# endif
a3540c92 1301# endif
38dbb4c5 1302# ifndef Perl_isnan
758a5d79
JH		 1303# ifdef HAS_ISNANL
1304# define Perl_isnan(x) isnanl(x)
1305# endif
1306# endif
1307# ifndef Perl_isinf
1308# ifdef HAS_FINITEL
1309# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1310# endif
1311# endif
65202027 1312#else
2d4389e4 1313# define NV_DIG DBL_DIG
d6c14000
JH		 1314# ifdef DBL_MANT_DIG
1315# define NV_MANT_DIG DBL_MANT_DIG
1316# endif
06fc1729
JH		 1317# ifdef DBL_MIN
1318# define NV_MIN DBL_MIN
1319# endif
1320# ifdef DBL_MAX
1321# define NV_MAX DBL_MAX
1322# endif
1323# ifdef DBL_MIN_10_EXP
1324# define NV_MIN_10_EXP DBL_MIN_10_EXP
1325# endif
1326# ifdef DBL_MAX_10_EXP
1327# define NV_MAX_10_EXP DBL_MAX_10_EXP
1328# endif
1329# ifdef DBL_EPSILON
1330# define NV_EPSILON DBL_EPSILON
1331# endif
205f51d8 1332# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1333# define NV_MAX DBL_MAX
1334# define NV_MIN DBL_MIN
1335# else
1336# ifdef HUGE_VAL
1337# define NV_MAX HUGE_VAL
1338# endif
1339# endif
65202027
DS		 1340# define Perl_cos cos
1341# define Perl_sin sin
1342# define Perl_sqrt sqrt
1343# define Perl_exp exp
1344# define Perl_log log
1345# define Perl_atan2 atan2
1346# define Perl_pow pow
1347# define Perl_floor floor
65202027 1348# define Perl_fmod fmod
a3540c92 1349# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1350# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1351#endif
1352
1353/* rumor has it that Win32 has _fpclass() */
1354
205f51d8
AS		 1355/* SGI has fpclassl... but not with the same result values,
1356 * and it's via a typedef (not via #define), so will need to redo Configure
1357 * to use. Not worth the trouble, IMO, at least until the below is used
1358 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1359 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1360 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1361
758a5d79
JH		 1362#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1363# ifdef I_IEEFP
1364# include <ieeefp.h>
1365# endif
1366# ifdef I_FP
1367# include <fp.h>
1368# endif
1369# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1370# define Perl_fp_class() fpclassl(x)
1371# else
1372# define Perl_fp_class() fpclass(x)
1373# endif
1374# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1375# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1376# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1377# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1378# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1379# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1380# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1381# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1382# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1383# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1384# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1385# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1386# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1387# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1388# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1389#endif
1390
7114a2d2 1391#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1392# include <math.h>
1393# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1394# include <fp_class.h>
1395# endif
1396# define Perl_fp_class(x) fp_class(x)
1397# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1398# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1399# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1400# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1401# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1402# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1403# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1404# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1405# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1406# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1407# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1408# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1409# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1410# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1411# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1412#endif
1413
1414#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1415# include <math.h>
1416# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1417# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1418# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1419# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1420# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1421# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1422#endif
1423
1424#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1425# include <math.h>
1426# ifndef _cplusplus
1427# define Perl_fp_class(x) class(x)
1428# else
1429# define Perl_fp_class(x) _class(x)
1430# endif
1431# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1432# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1433# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1434# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1435# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1436# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1437# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1438# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1439# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1440# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1441# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1442# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1443# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1444# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1445# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1446#endif
1447
1448/* rumor has it that Win32 has _isnan() */
1449
1450#ifndef Perl_isnan
a3540c92 1451# ifdef HAS_ISNAN
758a5d79
JH		 1452# define Perl_isnan(x) isnan((NV)x)
1453# else
1454# ifdef Perl_fp_class_nan
1455# define Perl_isnan(x) Perl_fp_class_nan(x)
1456# else
1457# ifdef HAS_UNORDERED
1458# define Perl_isnan(x) unordered((x), 0.0)
1459# else
1460# define Perl_isnan(x) ((x)!=(x))
1461# endif
1462# endif
1463# endif
1464#endif
1465
ca6c63e1
JH		 1466#ifdef UNDER_CE
1467int isnan(double d);
1468#endif
1469
758a5d79
JH		 1470#ifndef Perl_isinf
1471# ifdef HAS_ISINF
1472# define Perl_isinf(x) isinf((NV)x)
a3540c92 1473# else
758a5d79
JH		 1474# ifdef Perl_fp_class_inf
1475# define Perl_isinf(x) Perl_fp_class_inf(x)
1476# else
1477# define Perl_isinf(x) ((x)==NV_INF)
1478# endif
1479# endif
1480#endif
1481
1482#ifndef Perl_isfinite
1483# ifdef HAS_FINITE
1484# define Perl_isfinite(x) finite((NV)x)
1485# else
1486# ifdef HAS_ISFINITE
1487# define Perl_isfinite(x) isfinite(x)
1488# else
1489# ifdef Perl_fp_class_finite
1490# define Perl_isfinite(x) Perl_fp_class_finite(x)
1491# else
1492# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1493# endif
1494# endif
a3540c92 1495# endif
65202027
DS		 1496#endif
1497
a36244b7
JH		 1498/* The default is to use Perl's own atof() implementation (in numeric.c).
1499 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1500 * it is however best to use the native implementation of atof.
1501 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1502 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1503 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1504 * you may need to be using a different function than atof! */
a36244b7
JH		 1505
1506#ifndef USE_PERL_ATOF
1507# ifndef _UNICOS
1508# define USE_PERL_ATOF
1509# endif
1510#else
1511# if USE_PERL_ATOF == 0
1512# undef USE_PERL_ATOF
1513# endif
1514#endif
1515
1516#ifdef USE_PERL_ATOF
1517# define Perl_atof(s) Perl_my_atof(s)
1518# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1519#else
1520# define Perl_atof(s) (NV)atof(s)
1521# define Perl_atof2(s, n) ((n) = atof(s))
1522#endif
cf2093f6 1523
d460ef45 1524/* Previously these definitions used hardcoded figures.
760ac839
LW		 1525 * It is hoped these formula are more portable, although
1526 * no data one way or another is presently known to me.
1527 * The "PERL_" names are used because these calculated constants
1528 * do not meet the ANSI requirements for LONG_MAX, etc., which
1529 * need to be constants acceptable to #if - kja
1530 * define PERL_LONG_MAX 2147483647L
1531 * define PERL_LONG_MIN (-LONG_MAX - 1)
1532 * define PERL ULONG_MAX 4294967295L
1533 */
1534
1535#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1536# include <limits.h>
760ac839 1537#endif
205f51d8
AS		 1538/* Included values.h above if necessary; still including limits.h down here,
1539 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1540
99abf803 1541/*
1542 * Try to figure out max and min values for the integral types. THE CORRECT
1543 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1544 * following hacks are used if neither limits.h or values.h provide them:
1545 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1546 * for types < int: (unsigned TYPE)~(unsigned)0
1547 * The argument to ~ must be unsigned so that later signed->unsigned
1548 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1549 * and it must not be smaller than int because ~ does integral promotion.
1550 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1551 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1552 * The latter is a hack which happens to work on some machines but
1553 * does *not* catch any random system, or things like integer types
1554 * with NaN if that is possible.
1555 *
1556 * All of the types are explicitly cast to prevent accidental loss of
1557 * numeric range, and in the hope that they will be less likely to confuse
1558 * over-eager optimizers.
1559 *
1560 */
27d4fb96 1561
99abf803 1562#define PERL_UCHAR_MIN ((unsigned char)0)
1563
1564#ifdef UCHAR_MAX
1565# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1566#else
99abf803 1567# ifdef MAXUCHAR
1568# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1569# else
99abf803 1570# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1571# endif
1572#endif
d460ef45 1573
99abf803 1574/*
1575 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1576 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1577 * depending on local options. Until Configure detects this (or at least
1578 * detects whether the "signed" keyword is available) the CHAR ranges
1579 * will not be included. UCHAR functions normally.
1580 * - kja
1581 */
27d4fb96 1582
99abf803 1583#define PERL_USHORT_MIN ((unsigned short)0)
1584
1585#ifdef USHORT_MAX
1586# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1587#else
99abf803 1588# ifdef MAXUSHORT
1589# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1590# else
ef2f54b0
CB		 1591# ifdef USHRT_MAX
1592# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1593# else
1594# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1595# endif
27d4fb96 1596# endif
1597#endif
1598
27d4fb96 1599#ifdef SHORT_MAX
99abf803 1600# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1601#else
1602# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1603# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1604# else
ef2f54b0
CB		 1605# ifdef SHRT_MAX
1606# define PERL_SHORT_MAX ((short)SHRT_MAX)
1607# else
1608# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1609# endif
27d4fb96 1610# endif
1611#endif
1612
1613#ifdef SHORT_MIN
99abf803 1614# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1615#else
1616# ifdef MINSHORT
99abf803 1617# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1618# else
ef2f54b0
CB		 1619# ifdef SHRT_MIN
1620# define PERL_SHORT_MIN ((short)SHRT_MIN)
1621# else
1622# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1623# endif
27d4fb96 1624# endif
1625#endif
1626
99abf803 1627#ifdef UINT_MAX
1628# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1629#else
99abf803 1630# ifdef MAXUINT
1631# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1632# else
99abf803 1633# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1634# endif
1635#endif
1636
99abf803 1637#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1638
1639#ifdef INT_MAX
99abf803 1640# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1641#else
1642# ifdef MAXINT /* Often used in <values.h> */
99abf803 1643# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1644# else
99abf803 1645# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1646# endif
1647#endif
1648
1649#ifdef INT_MIN
99abf803 1650# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1651#else
1652# ifdef MININT
99abf803 1653# define PERL_INT_MIN ((int)MININT)
27d4fb96 1654# else
1655# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1656# endif
1657#endif
1658
99abf803 1659#ifdef ULONG_MAX
1660# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1661#else
99abf803 1662# ifdef MAXULONG
1663# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1664# else
99abf803 1665# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1666# endif
1667#endif
1668
99abf803 1669#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1670
760ac839 1671#ifdef LONG_MAX
99abf803 1672# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1673#else
1674# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1675# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1676# else
99abf803 1677# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1678# endif
1679#endif
1680
1681#ifdef LONG_MIN
99abf803 1682# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1683#else
1684# ifdef MINLONG
99abf803 1685# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1686# else
27d4fb96 1687# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1688# endif
1689#endif
1690
d7d93a81 1691#ifdef UV_IS_QUAD
99abf803 1692
99abf803 1693# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1694# define PERL_UQUAD_MIN ((UV)0)
99abf803 1695# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1696# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1697
79072805
LW		 1698#endif
1699
22f7c9c9
JH		 1700#ifdef MYMALLOC
1701# include "malloc_ctl.h"
1702#endif
1703
830247a4 1704struct RExC_state_t;
880b20b6 1705
ee0007ab 1706typedef MEM_SIZE STRLEN;
450a55e4 1707
79072805
LW		 1708typedef struct op OP;
1709typedef struct cop COP;
1710typedef struct unop UNOP;
1711typedef struct binop BINOP;
1712typedef struct listop LISTOP;
1713typedef struct logop LOGOP;
79072805
LW		 1714typedef struct pmop PMOP;
1715typedef struct svop SVOP;
7934575e 1716typedef struct padop PADOP;
79072805 1717typedef struct pvop PVOP;
79072805
LW		 1718typedef struct loop LOOP;
1719
93a17b20 1720typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1721
1722/* Amdahl's <ksync.h> has struct sv */
1723/* SGI's <sys/sema.h> has struct sv */
1724#if defined(UTS) || defined(__sgi)
1725# define STRUCT_SV perl_sv
b8d3c5db
JH		 1726#else
1727# define STRUCT_SV sv
1728#endif
1729typedef struct STRUCT_SV SV;
79072805
LW		 1730typedef struct av AV;
1731typedef struct hv HV;
1732typedef struct cv CV;
378cc40b 1733typedef struct regexp REGEXP;
79072805 1734typedef struct gp GP;
0c30d9ec 1735typedef struct gv GV;
8990e307 1736typedef struct io IO;
c09156bb 1737typedef struct context PERL_CONTEXT;
79072805
LW		 1738typedef struct block BLOCK;
1739
1740typedef struct magic MAGIC;
ed6116ce 1741typedef struct xrv XRV;
79072805
LW		 1742typedef struct xpv XPV;
1743typedef struct xpviv XPVIV;
ff68c719 1744typedef struct xpvuv XPVUV;
79072805
LW		 1745typedef struct xpvnv XPVNV;
1746typedef struct xpvmg XPVMG;
1747typedef struct xpvlv XPVLV;
1748typedef struct xpvav XPVAV;
1749typedef struct xpvhv XPVHV;
1750typedef struct xpvgv XPVGV;
1751typedef struct xpvcv XPVCV;
1752typedef struct xpvbm XPVBM;
1753typedef struct xpvfm XPVFM;
8990e307 1754typedef struct xpvio XPVIO;
79072805
LW		 1755typedef struct mgvtbl MGVTBL;
1756typedef union any ANY;
5f7fde29
GS		 1757typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1758typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1759typedef struct clone_params CLONE_PARAMS;
1760
8d063cd8 1761
378cc40b 1762#include "handy.h"
a0d0e21e 1763
6b8eaf93 1764#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1765# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1766# define USE_64_BIT_RAWIO /* implicit */
1767# endif
4564133c
JH		 1768#endif
1769
6b8eaf93
JH		 1770/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1771 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1772 * however, because operating systems like to do that themself. */
1773#ifndef FSEEKSIZE
1774# ifdef HAS_FSEEKO
1775# define FSEEKSIZE LSEEKSIZE
1776# else
1777# define FSEEKSIZE LONGSIZE
d460ef45 1778# endif
6b8eaf93
JH		 1779#endif
1780
1781#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1782# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1783# define USE_64_BIT_STDIO /* implicit */
1784# endif
1785#endif
4564133c 1786
09458382 1787#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1788# ifdef HAS_OFF64_T
1789# undef Off_t
1790# define Off_t off64_t
1791# undef LSEEKSIZE
1792# define LSEEKSIZE 8
5ff3f7a4 1793# endif
d9b3e12d
JH		 1794/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1795 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1796 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1797# if defined(USE_OPEN64)
1798# define open open64
5ff3f7a4 1799# endif
d9b3e12d
JH		 1800# if defined(USE_LSEEK64)
1801# define lseek lseek64
6b8eaf93
JH		 1802# else
1803# if defined(USE_LLSEEK)
1804# define lseek llseek
1805# endif
d9b3e12d
JH		 1806# endif
1807# if defined(USE_STAT64)
1808# define stat stat64
1809# endif
1810# if defined(USE_FSTAT64)
1811# define fstat fstat64
1812# endif
1813# if defined(USE_LSTAT64)
1814# define lstat lstat64
1815# endif
1816# if defined(USE_FLOCK64)
1817# define flock flock64
1818# endif
1819# if defined(USE_LOCKF64)
1820# define lockf lockf64
1821# endif
1822# if defined(USE_FCNTL64)
1823# define fcntl fcntl64
1824# endif
1825# if defined(USE_TRUNCATE64)
1826# define truncate truncate64
1827# endif
1828# if defined(USE_FTRUNCATE64)
1829# define ftruncate ftruncate64
1830# endif
1831#endif
1832
1833#ifdef USE_64_BIT_STDIO
1834# ifdef HAS_FPOS64_T
1835# undef Fpos_t
1836# define Fpos_t fpos64_t
1837# endif
1838/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1839 * will trigger defines like the ones below. Some 64-bit environments,
1840 * however, do not. */
1841# if defined(USE_FOPEN64)
1842# define fopen fopen64
1843# endif
1844# if defined(USE_FSEEK64)
6b8eaf93 1845# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1846# endif
1847# if defined(USE_FTELL64)
6b8eaf93 1848# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1849# endif
1850# if defined(USE_FSETPOS64)
1851# define fsetpos fsetpos64
1852# endif
1853# if defined(USE_FGETPOS64)
1854# define fgetpos fgetpos64
1855# endif
1856# if defined(USE_TMPFILE64)
1857# define tmpfile tmpfile64
1858# endif
1859# if defined(USE_FREOPEN64)
1860# define freopen freopen64
5ff3f7a4
GS		 1861# endif
1862#endif
1863
af8b425d 1864#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1865# include "iperlsys.h"
1866#endif
1867
6f71a643 1868#if defined(__OPEN_VM)
19848b3f
JH		 1869# include "vmesa/vmesaish.h"
1870# define ISHISH "vmesa"
6f71a643
JH		 1871#endif
1872
748a9306 1873#ifdef DOSISH
19848b3f
JH		 1874# if defined(OS2)
1875# include "os2ish.h"
1876# else
1877# include "dosish.h"
1878# endif
1879# define ISHISH "dos"
1880#endif
1881
1882#if defined(VMS)
748a9306 1883# include "vmsish.h"
96e176bf 1884# include "embed.h"
19848b3f
JH		 1885# define ISHISH "vms"
1886#endif
1887
1888#if defined(PLAN9)
1889# include "./plan9/plan9ish.h"
1890# define ISHISH "plan9"
1891#endif
1892
1893#if defined(MPE)
1894# include "mpeix/mpeixish.h"
1895# define ISHISH "mpeix"
1896#endif
1897
1898#if defined(__VOS__)
196918b0
PG		 1899# ifdef __GNUC__
1900# include "./vos/vosish.h"
1901# else
1902# include "vos/vosish.h"
1903# endif
19848b3f
JH		 1904# define ISHISH "vos"
1905#endif
1906
1907#if defined(EPOC)
1908# include "epocish.h"
1909# define ISHISH "epoc"
1910#endif
1911
1912#if defined(MACOS_TRADITIONAL)
1913# include "macos/macish.h"
1914# ifndef NO_ENVIRON_ARRAY
1915# define NO_ENVIRON_ARRAY
0c30d9ec 1916# endif
19848b3f
JH		 1917# define ISHISH "macos classic"
1918#endif
1919
efca5cc6
JH		 1920#if defined(__BEOS__)
1921# include "beos/beosish.h"
1922# define ISHISH "beos"
1923#endif
1924
19848b3f
JH		 1925#ifndef ISHISH
1926# include "unixish.h"
1927# define ISHISH "unix"
13b6e58c
JH		 1928#endif
1929
1930#ifndef NO_ENVIRON_ARRAY
1931# define USE_ENVIRON_ARRAY
1932#endif
32f822de 1933
c77b533b
JH		 1934/*
1935 * initialise to avoid floating-point exceptions from overflow, etc
1936 */
1937#ifndef PERL_FPU_INIT
1938# ifdef HAS_FPSETMASK
1939# if HAS_FLOATINGPOINT_H
1940# include <floatingpoint.h>
1941# endif
1942# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1943# else
7014c407 1944# if defined(SIGFPE) && defined(SIG_IGN)
fbb56369 1945# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 1946# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1947# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1948# else
1949# define PERL_FPU_INIT
1950# endif
c77b533b
JH		 1951# endif
1952#endif
b35112e7
CS		 1953#ifndef PERL_FPU_PRE_EXEC
1954# define PERL_FPU_PRE_EXEC {
1955# define PERL_FPU_POST_EXEC }
1956#endif
c77b533b 1957
ed344e4f
IZ		 1958#ifndef PERL_SYS_INIT3
1959# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1960#endif
1961
be708cc0
JH		 1962#ifndef PERL_WRITE_MSG_TO_CONSOLE
1963# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1964#endif
1965
0f31cffe
GS		 1966#ifndef MAXPATHLEN
1967# ifdef PATH_MAX
b990c8b2
JH		 1968# ifdef _POSIX_PATH_MAX
1969# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1970/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1971 * included the null byte or not. Later amendments of POSIX,
1972 * XPG4, the Austin Group, and the Single UNIX Specification
1973 * all explicitly include the null byte in the PATH_MAX.
1974 * Ditto for _POSIX_PATH_MAX. */
1975# define MAXPATHLEN PATH_MAX
b990c8b2 1976# else
09448d78 1977# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1978# endif
1979# else
1980# define MAXPATHLEN (PATH_MAX+1)
1981# endif
0f31cffe 1982# else
b990c8b2 1983# ifdef _POSIX_PATH_MAX
09448d78 1984# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1985# else
1986# define MAXPATHLEN 1024 /* Err on the large side. */
1987# endif
0f31cffe
GS		 1988# endif
1989#endif
1990
3db8f154 1991/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1992 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1993 * this results in many functions being undeclared which bothers C++
1994 * May make sense to have threads after "*ish.h" anyway
1995 */
1996
3db8f154 1997#if defined(USE_ITHREADS)
2986a63f
JH		 1998# ifdef NETWARE
1999# include <nw5thread.h>
2000# else
32f822de
GS		 2001# ifdef FAKE_THREADS
2002# include "fakethr.h"
2003# else
2004# ifdef WIN32
2005# include <win32thread.h>
2006# else
dd96f567
IZ		 2007# ifdef OS2
2008# include "os2thread.h"
2009# else
7f3d1cf1 2010# ifdef I_MACH_CTHREADS
bdd66968 2011# include <mach/cthreads.h>
8f1f23e8 2012# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2013# define MUTEX_INIT_CALLS_MALLOC
2014# endif
7f3d1cf1
BH		 2015typedef cthread_t perl_os_thread;
2016typedef mutex_t perl_mutex;
2017typedef condition_t perl_cond;
2018typedef void * perl_key;
2019# else /* Posix threads */
1f5ae88c
JH		 2020# ifdef I_PTHREAD
2021# include <pthread.h>
2022# endif
7f3d1cf1
BH		 2023typedef pthread_t perl_os_thread;
2024typedef pthread_mutex_t perl_mutex;
2025typedef pthread_cond_t perl_cond;
2026typedef pthread_key_t perl_key;
2027# endif /* I_MACH_CTHREADS */
dd96f567 2028# endif /* OS2 */
32f822de
GS		 2029# endif /* WIN32 */
2030# endif /* FAKE_THREADS */
2986a63f 2031#endif /* NETWARE */
3db8f154 2032#endif /* USE_ITHREADS */
c5be433b 2033
66a93824 2034#if defined(WIN32)
1feb2720 2035# include "win32.h"
c5be433b
GS		 2036#endif
2037
2986a63f
JH		 2038#ifdef NETWARE
2039# include "netware.h"
2040#endif
2041
68dc0745 2042#ifdef VMS
6b88bc9c 2043# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2044# define STATUS_NATIVE_EXPORT \
d98f61e7 2045 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2046# define STATUS_NATIVE_SET(n) \
2047 STMT_START { \
6b88bc9c
GS		 2048 PL_statusvalue_vms = (n); \
2049 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2050 PL_statusvalue = -1; \
6b88bc9c 2051 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2052 PL_statusvalue = 0; \
6b88bc9c
GS		 2053 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2054 PL_statusvalue = 1 << 8; \
68dc0745 2055 else \
6b88bc9c 2056 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2057 } STMT_END
3280af22 2058# define STATUS_POSIX PL_statusvalue
68dc0745 2059# ifdef VMSISH_STATUS
2060# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2061# else
2062# define STATUS_CURRENT STATUS_POSIX
2063# endif
2064# define STATUS_POSIX_SET(n) \
2065 STMT_START { \
3280af22
NIS		 2066 PL_statusvalue = (n); \
2067 if (PL_statusvalue != -1) { \
2068 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2069 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2070 } \
6b88bc9c 2071 else PL_statusvalue_vms = -1; \
68dc0745 2072 } STMT_END
6b88bc9c
GS		 2073# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2074# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2075#else
2076# define STATUS_NATIVE STATUS_POSIX
2077# define STATUS_NATIVE_EXPORT STATUS_POSIX
2078# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2079# define STATUS_POSIX PL_statusvalue
68dc0745 2080# define STATUS_POSIX_SET(n) \
2081 STMT_START { \
3280af22
NIS		 2082 PL_statusvalue = (n); \
2083 if (PL_statusvalue != -1) \
2084 PL_statusvalue &= 0xFFFF; \
68dc0745 2085 } STMT_END
2086# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2087# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2088# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2089#endif
2090
cc3604b1
GS		 2091/* flags in PL_exit_flags for nature of exit() */
2092#define PERL_EXIT_EXPECTED 0x01
31d77e54 2093#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2094
0b94c7bb 2095#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2096# define MEMBER_TO_FPTR(name) name
2097#endif
2098
2099/* format to use for version numbers in file/directory names */
273cf8d1 2100/* XXX move to Configure? */
a7cb1f99 2101#ifndef PERL_FS_VER_FMT
273cf8d1 2102# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2103#endif
2104
45bc9206 2105/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2106 * performance issue, so we allow people to disable it. Also, if
2107 * we are using stdio, there are broken implementations of fflush(NULL)
2108 * out there, Solaris being the most prominent.
45bc9206
GS		 2109 */
2110#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2111# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2112# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2113# else
2114# ifdef FFLUSH_ALL
2115# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2116# else
c5be433b 2117# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2118# endif
66fe083f 2119# endif
45bc9206
GS		 2120#endif
2121
7766f137
GS		 2122#ifndef PERL_WAIT_FOR_CHILDREN
2123# define PERL_WAIT_FOR_CHILDREN NOOP
2124#endif
2125
ba869deb 2126/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2127#ifndef PERL_SET_INTERP
2128# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2129#endif
2130
2131#ifndef PERL_GET_INTERP
2132# define PERL_GET_INTERP (PL_curinterp)
2133#endif
2134
54aff467 2135#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2136# ifdef MULTIPLICITY
ba869deb 2137# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2138# endif
ba869deb
GS		 2139# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2140#endif
2141
894356b3
GS		 2142#ifndef SVf
2143# ifdef CHECK_FORMAT
2144# define SVf "p"
84c133a0
RB		 2145# ifndef SVf256
2146# define SVf256 SVf
2147# endif
894356b3
GS		 2148# else
2149# define SVf "_"
d460ef45 2150# endif
894356b3
GS		 2151#endif
2152
84c133a0
RB		 2153#ifndef SVf256
2154# define SVf256 ".256"SVf
2155#endif
2156
d2560b70
RB		 2157#ifndef UVf
2158# ifdef CHECK_FORMAT
2159# define UVf UVuf
2160# else
2161# define UVf "Vu"
d460ef45 2162# endif
d2560b70
RB		 2163#endif
2164
2165#ifndef VDf
2166# ifdef CHECK_FORMAT
2167# define VDf "p"
2168# else
2169# define VDf "vd"
d460ef45 2170# endif
d2560b70
RB		 2171#endif
2172
b3fe4827
RB		 2173#ifndef Nullformat
2174# ifdef CHECK_FORMAT
2175# define Nullformat "%s",""
2176# else
2177# define Nullformat Nullch
2178# endif
2179#endif
2180
287c8091
RB		 2181#ifndef __attribute__format__
2182# ifdef CHECK_FORMAT
2183# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2184# else
2185# define __attribute__format__(x,y,z)
2186# endif
2187#endif
2188
3fc1aec6 2189/* Some unistd.h's give a prototype for pause() even though
2190 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2191 below to be rejected by the compiler. Sigh.
3fc1aec6 2192*/
2193#ifdef HAS_PAUSE
2194#define Pause pause
2195#else
2196#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2197#endif
2198
2199#ifndef IOCPARM_LEN
2200# ifdef IOCPARM_MASK
2201 /* on BSDish systes we're safe */
2202# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2203# else
2204 /* otherwise guess at what's safe */
2205# define IOCPARM_LEN(x) 256
2206# endif
a0d0e21e
LW		 2207#endif
2208
1761cee5 2209#if defined(__CYGWIN__)
521e0776
GS		 2210/* USEMYBINMODE
2211 * This symbol, if defined, indicates that the program should
16fe6d59 2212 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2213 * that a file is in "binary" mode -- that is, that no translation
2214 * of bytes occurs on read or write operations.
2215 */
36894f0b 2216# define USEMYBINMODE /**/
77a40698 2217# include <io.h> /* for setmode() prototype */
16fe6d59 2218# define my_binmode(fp, iotype, mode) \
77a40698 2219 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2220#endif
2221
88d10794
JH		 2222#ifdef __CYGWIN__
2223void init_os_extras(void);
2224#endif
2225
cea2e8a9
GS		 2226#ifdef UNION_ANY_DEFINITION
2227UNION_ANY_DEFINITION;
2228#else
2229union any {
2230 void* any_ptr;
2231 I32 any_i32;
2232 IV any_iv;
2233 long any_long;
9febdf04 2234 bool any_bool;
c76ac1ee 2235 void (*any_dptr) (void*);
acfe0abc 2236 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2237};
2238#endif
2239
acfe0abc 2240typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2241
2242#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2243#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2244#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2245
c5078cac
JH		 2246#if defined(_AIX) && !defined(_AIX43)
2247#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2248/* We cannot include <crypt.h> to get the struct crypt_data
2249 * because of setkey prototype problems when threading */
2250typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2251 /* From OSF, Not needed in AIX
2252 char C[28], D[28];
2253 */
2254 char E[48];
2255 char KS[16][48];
2256 char block[66];
2257 char iobuf[16];
2258} CRYPTD;
2259#endif /* threading */
2260#endif /* AIX */
2261
af8b425d 2262#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2263# include "iperlsys.h"
2264#endif
504f80c1 2265
d10dc2ae
JH		 2266/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2267 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2268 * defined by Configure, despite their names being similar to the
2269 * other defines like USE_ITHREADS. Configure in fact knows nothing
2270 * about the randomised hashes. Therefore to enable/disable the hash
2271 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2272#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2273# define USE_HASH_SEED
504f80c1
JH		 2274#endif
2275
378cc40b 2276#include "regexp.h"
79072805 2277#include "sv.h"
378cc40b 2278#include "util.h"
8d063cd8 2279#include "form.h"
79072805 2280#include "gv.h"
dd2155a4 2281#include "pad.h"
79072805 2282#include "cv.h"
abdd5c84 2283#include "opnames.h"
79072805
LW		 2284#include "op.h"
2285#include "cop.h"
2286#include "av.h"
2287#include "hv.h"
2288#include "mg.h"
2289#include "scope.h"
4438c4b7 2290#include "warnings.h"
a0ed51b3 2291#include "utf8.h"
8d063cd8 2292
7fae4e64
GS		 2293/* Current curly descriptor */
2294typedef struct curcur CURCUR;
2295struct curcur {
2296 int parenfloor; /* how far back to strip paren data */
2297 int cur; /* how many instances of scan we've matched */
2298 int min; /* the minimal number of scans to match */
2299 int max; /* the maximal number of scans to match */
2300 int minmod; /* whether to work our way up or down */
2301 regnode * scan; /* the thing to match */
2302 regnode * next; /* what has to match after it */
2303 char * lastloc; /* where we started matching this scan */
2304 CURCUR * oldcc; /* current curly before we started this one */
2305};
2306
2307typedef struct _sublex_info SUBLEXINFO;
2308struct _sublex_info {
2309 I32 super_state; /* lexer state to save */
2310 I32 sub_inwhat; /* "lex_inwhat" to use */
2311 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2312 char *super_bufptr; /* PL_bufptr that was */
2313 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2314};
2315
455ece5e 2316typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2317
2c2d71f5 2318struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2319struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2320
2321typedef I32 CHECKPOINT;
76e3520e 2322
5f7fde29
GS		 2323struct ptr_tbl_ent {
2324 struct ptr_tbl_ent* next;
2325 void* oldval;
2326 void* newval;
d18c6117
GS		 2327};
2328
5f7fde29
GS		 2329struct ptr_tbl {
2330 struct ptr_tbl_ent** tbl_ary;
2331 UV tbl_max;
2332 UV tbl_items;
d18c6117
GS		 2333};
2334
450a55e4 2335#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2336# define I286
2337#endif
2338
fe14fcc3
LW		 2339#if defined(htonl) && !defined(HAS_HTONL)
2340#define HAS_HTONL
ae986130 2341#endif
fe14fcc3
LW		 2342#if defined(htons) && !defined(HAS_HTONS)
2343#define HAS_HTONS
ae986130 2344#endif
fe14fcc3
LW		 2345#if defined(ntohl) && !defined(HAS_NTOHL)
2346#define HAS_NTOHL
ae986130 2347#endif
fe14fcc3
LW		 2348#if defined(ntohs) && !defined(HAS_NTOHS)
2349#define HAS_NTOHS
ae986130 2350#endif
fe14fcc3 2351#ifndef HAS_HTONL
d9d8d8de 2352#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2353#define HAS_HTONS
2354#define HAS_HTONL
2355#define HAS_NTOHS
2356#define HAS_NTOHL
a687059c
LW		 2357#define MYSWAP
2358#define htons my_swap
2359#define htonl my_htonl
2360#define ntohs my_swap
2361#define ntohl my_ntohl
2362#endif
2363#else
d9d8d8de 2364#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2365#undef HAS_HTONS
2366#undef HAS_HTONL
2367#undef HAS_NTOHS
2368#undef HAS_NTOHL
a687059c
LW		 2369#endif
2370#endif
2371
988174c1
LW		 2372/*
2373 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2374 * -DWS
2375 */
2376#if BYTEORDER != 0x1234
2377# define HAS_VTOHL
2378# define HAS_VTOHS
2379# define HAS_HTOVL
2380# define HAS_HTOVS
c67712b2 2381# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2382# define vtohl(x) ((((x)&0xFF)<<24) \
2383 +(((x)>>24)&0xFF) \
2384 +(((x)&0x0000FF00)<<8) \
2385 +(((x)&0x00FF0000)>>8) )
2386# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2387# define htovl(x) vtohl(x)
2388# define htovs(x) vtohs(x)
2389# endif
2390 /* otherwise default to functions in util.c */
2a8c3029 2391#ifndef htovs
c623ac67
GS		 2392short htovs(short n);
2393short vtohs(short n);
2394long htovl(long n);
2395long vtohl(long n);
988174c1 2396#endif
2a8c3029 2397#endif
988174c1 2398
3bb7c1b4
JH		 2399/* *MAX Plus 1. A floating point value.
2400 Hopefully expressed in a way that dodgy floating point can't mess up.
2401 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2402 is added to it
2403 May find that some broken compiler will want the value cast to I32.
2404 [after the shift, as signed >> may not be as secure as unsigned >>]
2405*/
2406#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2407#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2408/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2409 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2410 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2411*/
2412#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2413
3bb7c1b4
JH		 2414#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2415#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2416#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2417
2418/* This may look like unnecessary jumping through hoops, but converting
2419 out of range floating point values to integers *is* undefined behaviour,
2420 and it is starting to bite.
2421*/
2422#ifndef CAST_INLINE
65202027 2423#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2424#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2425#define I_V(what) (cast_iv((NV)(what)))
2426#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2427#else
2428#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2429 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2430 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2431#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2432 : ((n) < U32_MAX_P1 ? (U32) (n) \
2433 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2434#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2435 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2436 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2437#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2438 : ((n) < UV_MAX_P1 ? (UV) (n) \
2439 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2440#endif
2441
2442#define U_S(what) ((U16)U_32(what))
2443#define U_I(what) ((unsigned int)U_32(what))
2444#define U_L(what) U_32(what)
ed6116ce 2445
2d4389e4
JH		 2446/* These do not care about the fractional part, only about the range. */
2447#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2448#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2449
25da4f38
IZ		 2450/* Used with UV/IV arguments: */
2451 /* XXXX: need to speed it up */
2452#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2453#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2454
352d5a3a
LW		 2455#ifndef MAXSYSFD
2456# define MAXSYSFD 2
2457#endif
ee0007ab 2458
79072805 2459#ifndef __cplusplus
e1caacb4 2460#ifndef UNDER_CE
20ce7b12
GS		 2461Uid_t getuid (void);
2462Uid_t geteuid (void);
2463Gid_t getgid (void);
2464Gid_t getegid (void);
79072805 2465#endif
e1caacb4 2466#endif
8d063cd8 2467
0c30d9ec 2468#ifndef Perl_debug_log
bf49b057
GS		 2469# define Perl_debug_log PerlIO_stderr()
2470#endif
2471
2472#ifndef Perl_error_log
2473# define Perl_error_log (PL_stderrgv \
6b78add2 2474 && isGV(PL_stderrgv) \
01bb7c6d 2475 && GvIOp(PL_stderrgv) \
42de951c 2476 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2477 ? IoOFP(GvIOp(PL_stderrgv)) \
2478 : PerlIO_stderr())
0c30d9ec 2479#endif
3967c732 2480
aea4f609
DM		 2481
2482#define DEBUG_p_FLAG 0x00000001 /* 1 */
2483#define DEBUG_s_FLAG 0x00000002 /* 2 */
2484#define DEBUG_l_FLAG 0x00000004 /* 4 */
2485#define DEBUG_t_FLAG 0x00000008 /* 8 */
2486#define DEBUG_o_FLAG 0x00000010 /* 16 */
2487#define DEBUG_c_FLAG 0x00000020 /* 32 */
2488#define DEBUG_P_FLAG 0x00000040 /* 64 */
2489#define DEBUG_m_FLAG 0x00000080 /* 128 */
2490#define DEBUG_f_FLAG 0x00000100 /* 256 */
2491#define DEBUG_r_FLAG 0x00000200 /* 512 */
2492#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2493#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2494#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2495#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2496#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2497#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2498#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2499#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2500#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2501#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2502#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2503#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM		 2504
2505#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2506#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2507 that something was done? */
aea4f609 2508
bd16a5f0
IZ		 2509# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2510# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2511# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2512# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2513# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2514# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2515# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2516# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2517# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2518# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2519# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2520# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2521# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2522# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2523# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2524# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2525# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2526# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2527# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2528# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2529# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2530# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2531
3967c732 2532#ifdef DEBUGGING
aea4f609
DM		 2533
2534# undef YYDEBUG
2535# define YYDEBUG 1
2536
bd16a5f0
IZ		 2537# define DEBUG_p_TEST DEBUG_p_TEST_
2538# define DEBUG_s_TEST DEBUG_s_TEST_
2539# define DEBUG_l_TEST DEBUG_l_TEST_
2540# define DEBUG_t_TEST DEBUG_t_TEST_
2541# define DEBUG_o_TEST DEBUG_o_TEST_
2542# define DEBUG_c_TEST DEBUG_c_TEST_
2543# define DEBUG_P_TEST DEBUG_P_TEST_
2544# define DEBUG_m_TEST DEBUG_m_TEST_
2545# define DEBUG_f_TEST DEBUG_f_TEST_
2546# define DEBUG_r_TEST DEBUG_r_TEST_
2547# define DEBUG_x_TEST DEBUG_x_TEST_
2548# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2549# define DEBUG_H_TEST DEBUG_H_TEST_
2550# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2551# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2552# define DEBUG_D_TEST DEBUG_D_TEST_
2553# define DEBUG_S_TEST DEBUG_S_TEST_
2554# define DEBUG_T_TEST DEBUG_T_TEST_
2555# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2556# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2557# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2558# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609 2559
488b0c7a
JH		 2560# define PERL_DEB(a) a
2561# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2562# define DEBUG_p(a) if (DEBUG_p_TEST) a
2563# define DEBUG_s(a) if (DEBUG_s_TEST) a
2564# define DEBUG_l(a) if (DEBUG_l_TEST) a
2565# define DEBUG_t(a) if (DEBUG_t_TEST) a
2566# define DEBUG_o(a) if (DEBUG_o_TEST) a
2567# define DEBUG_c(a) if (DEBUG_c_TEST) a
2568# define DEBUG_P(a) if (DEBUG_P_TEST) a
2569
969058bb
VK		 2570 /* Temporarily turn off memory debugging in case the a
2571 * does memory allocation, either directly or indirectly. */
acfe0abc 2572# define DEBUG_m(a) \
0b250b9e 2573 STMT_START { \
aea4f609 2574 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2575 } STMT_END
aea4f609 2576
5f80b19c
AMS		 2577# define DEBUG__(t, a) \
2578 STMT_START { \
2579 if (t) STMT_START {a;} STMT_END; \
2580 } STMT_END
2581
2582# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2583# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2584# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2585# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2586# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2587# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2588# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2589# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2590
3db8f154 2591# define DEBUG_S(a)
aea4f609 2592
5f80b19c
AMS		 2593# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2594# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2595# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2596# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2597
2598#else /* DEBUGGING */
2599
2600# define DEBUG_p_TEST (0)
2601# define DEBUG_s_TEST (0)
2602# define DEBUG_l_TEST (0)
2603# define DEBUG_t_TEST (0)
2604# define DEBUG_o_TEST (0)
2605# define DEBUG_c_TEST (0)
2606# define DEBUG_P_TEST (0)
2607# define DEBUG_m_TEST (0)
2608# define DEBUG_f_TEST (0)
2609# define DEBUG_r_TEST (0)
2610# define DEBUG_x_TEST (0)
2611# define DEBUG_u_TEST (0)
aea4f609
DM		 2612# define DEBUG_H_TEST (0)
2613# define DEBUG_X_TEST (0)
dd2155a4 2614# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2615# define DEBUG_D_TEST (0)
2616# define DEBUG_S_TEST (0)
2617# define DEBUG_T_TEST (0)
04932ac8 2618# define DEBUG_R_TEST (0)
1045810a 2619# define DEBUG_J_TEST (0)
d6721266 2620# define DEBUG_v_TEST (0)
46187eeb 2621# define DEBUG_C_TEST (0)
aea4f609 2622
488b0c7a
JH		 2623# define PERL_DEB(a)
2624# define PERL_DEBUG(a)
aea4f609
DM		 2625# define DEBUG_p(a)
2626# define DEBUG_s(a)
2627# define DEBUG_l(a)
2628# define DEBUG_t(a)
2629# define DEBUG_o(a)
2630# define DEBUG_c(a)
2631# define DEBUG_P(a)
2632# define DEBUG_m(a)
2633# define DEBUG_f(a)
2634# define DEBUG_r(a)
2635# define DEBUG_x(a)
2636# define DEBUG_u(a)
aea4f609
DM		 2637# define DEBUG_H(a)
2638# define DEBUG_X(a)
dd2155a4 2639# define DEBUG_Xv(a)
aea4f609
DM		 2640# define DEBUG_D(a)
2641# define DEBUG_S(a)
2642# define DEBUG_T(a)
04932ac8 2643# define DEBUG_R(a)
d6721266 2644# define DEBUG_v(a)
46187eeb 2645# define DEBUG_C(a)
aea4f609
DM		 2646#endif /* DEBUGGING */
2647
2648
b4ab917c
DM		 2649#define DEBUG_SCOPE(where) \
2650 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2651 where, PL_scopestack_ix, __FILE__, __LINE__)));
2652
2653
2654
2655
d1be9408 2656/* These constants should be used in preference to raw characters
14befaf4
DM		 2657 * when using magic. Note that some perl guts still assume
2658 * certain character properties of these constants, namely that
2659 * isUPPER() and toLOWER() may do useful mappings.
2660 *
2661 * Update the magic_names table in dump.c when adding/amending these
2662 */
2663
2664#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2665#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2666#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2667#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2668#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2669#define PERL_MAGIC_regdata 'D' /* Regex match position data
2670 (@+ and @- vars) */
2671#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2672#define PERL_MAGIC_env 'E' /* %ENV hash */
2673#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2674#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2675#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2676#define PERL_MAGIC_isa 'I' /* @ISA array */
2677#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2678#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2679#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2680#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2681#define PERL_MAGIC_mutex 'm' /* for lock op */
2682#define PERL_MAGIC_shared 'N' /* Shared between threads */
2683#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2684#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2685#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2686#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2687#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2688#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2689#define PERL_MAGIC_sig 'S' /* %SIG hash */
2690#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2691#define PERL_MAGIC_taint 't' /* Taintedness */
2692#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2693#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2694#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2695#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2696#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2697#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2698#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2699 smart parameter vivification */
2700#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2701#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2702#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2703#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2704#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2705
2706
fe14fcc3 2707#define YYMAXDEPTH 300
8d063cd8 2708
a6e633de 2709#ifndef assert /* <assert.h> might have been included somehow */
a446a88f 2710#ifdef DEBUGGING
488b0c7a 2711#define assert(what) PERL_DEB( { \
a446a88f
NIS		 2712 if (!(what)) { \
2713 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2714 __FILE__, __LINE__); \
2715 PerlProc_exit(1); \
2716 }})
2717#else
488b0c7a 2718#define assert(what) PERL_DEB( { \
79072805 2719 if (!(what)) { \
cea2e8a9 2720 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2721 __FILE__, __LINE__); \
cea2e8a9 2722 PerlProc_exit(1); \
79072805 2723 }})
a6e633de 2724#endif
a446a88f 2725#endif
8d063cd8 2726
450a55e4 2727struct ufuncs {
24f81a43
DM		 2728 I32 (*uf_val)(pTHX_ IV, SV*);
2729 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2730 IV uf_index;
450a55e4
LW		 2731};
2732
14befaf4 2733/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2734 * XS code wanting to be backward compatible can do something
2735 * like the following:
c745e42c 2736
24f81a43 2737#ifndef PERL_MG_UFUNC
24f81a43
DM		 2738#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2739#endif
2740
2741static PERL_MG_UFUNC(foo_get, index, val)
2742{
2743 sv_setsv(val, ...);
2744 return TRUE;
2745}
2746
2747-- Doug MacEachern
2748
2749*/
2750
fc9c74e6 2751#ifndef PERL_MG_UFUNC
24f81a43 2752#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2753#endif
24f81a43 2754
fe14fcc3 2755/* Fix these up for __STDC__ */
68dc0745 2756#ifndef DONT_DECLARE_STD
20ce7b12 2757char *mktemp (char*);
37bd1396 2758#ifndef atof
20ce7b12 2759double atof (const char*);
a0d0e21e 2760#endif
37bd1396 2761#endif
79072805 2762
352d5a3a 2763#ifndef STANDARD_C
fe14fcc3 2764/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2765Time_t time();
8d063cd8 2766struct tm *gmtime(), *localtime();
092bebab 2767#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2768char *(strchr)(), *(strrchr)();
2769char *(strcpy)(), *(strcat)();
2770#else
93a17b20 2771char *strchr(), *strrchr();
378cc40b 2772char *strcpy(), *strcat();
9d116dd7 2773#endif
352d5a3a 2774#endif /* ! STANDARD_C */
8d063cd8 2775
79072805
LW		 2776
2777#ifdef I_MATH
2778# include <math.h>
2779#else
32f822de 2780START_EXTERN_C
20ce7b12
GS		 2781 double exp (double);
2782 double log (double);
2783 double log10 (double);
2784 double sqrt (double);
2785 double frexp (double,int*);
2786 double ldexp (double,int);
2787 double modf (double,double*);
2788 double sin (double);
2789 double cos (double);
2790 double atan2 (double,double);
2791 double pow (double,double);
32f822de 2792END_EXTERN_C
79072805
LW		 2793#endif
2794
aa8b85de
JH		 2795#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2796# define NV_INF LDBL_INFINITY
2797#endif
2798#if !defined(NV_INF) && defined(DBL_INFINITY)
2799# define NV_INF (NV)DBL_INFINITY
2800#endif
2801#if !defined(NV_INF) && defined(INFINITY)
2802# define NV_INF (NV)INFINITY
2803#endif
2804#if !defined(NV_INF) && defined(INF)
2805# define NV_INF (NV)INF
2806#endif
2807#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2808# define NV_INF (NV)HUGE_VALL
2809#endif
2810#if !defined(NV_INF) && defined(HUGE_VAL)
2811# define NV_INF (NV)HUGE_VAL
2812#endif
2813
2814#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2815# if !defined(NV_NAN) && defined(LDBL_NAN)
2816# define NV_NAN LDBL_NAN
2817# endif
2818# if !defined(NV_NAN) && defined(LDBL_QNAN)
2819# define NV_NAN LDBL_QNAN
2820# endif
2821# if !defined(NV_NAN) && defined(LDBL_SNAN)
2822# define NV_NAN LDBL_SNAN
2823# endif
2824#endif
2825#if !defined(NV_NAN) && defined(DBL_NAN)
2826# define NV_NAN (NV)DBL_NAN
2827#endif
2828#if !defined(NV_NAN) && defined(DBL_QNAN)
2829# define NV_NAN (NV)DBL_QNAN
2830#endif
2831#if !defined(NV_NAN) && defined(DBL_SNAN)
2832# define NV_NAN (NV)DBL_SNAN
2833#endif
2834#if !defined(NV_NAN) && defined(QNAN)
2835# define NV_NAN (NV)QNAN
2836#endif
2837#if !defined(NV_NAN) && defined(SNAN)
2838# define NV_NAN (NV)SNAN
2839#endif
2840#if !defined(NV_NAN) && defined(NAN)
2841# define NV_NAN (NV)NAN
2842#endif
2843
a0d0e21e 2844#ifndef __cplusplus
8f1f23e8 2845# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2846char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2847# else
fd8cd3a3 2848# if !defined(WIN32) && !defined(VMS)
10bc17b6 2849#ifndef crypt
20ce7b12 2850char *crypt (const char*, const char*);
10bc17b6 2851#endif
5014db98 2852# endif /* !WIN32 */
8f1f23e8 2853# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2854# ifndef DONT_DECLARE_STD
2855# ifndef getenv
20ce7b12 2856char *getenv (const char*);
26618a56 2857# endif /* !getenv */
28ca6303 2858# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2859# ifdef _FILE_OFFSET_BITS
28ca6303 2860# if _FILE_OFFSET_BITS == 64
20ce7b12 2861Off_t lseek (int,Off_t,int);
0fc67700
JH		 2862# endif
2863# endif
bf0c440f 2864# endif
26618a56 2865# endif /* !DONT_DECLARE_STD */
10bc17b6 2866#ifndef getlogin
20ce7b12 2867char *getlogin (void);
10bc17b6 2868#endif
26618a56 2869#endif /* !__cplusplus */
79072805 2870
16d20bd9 2871#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2872#define UNLINK unlnk
20ce7b12 2873I32 unlnk (char*);
8d063cd8 2874#else
80252599 2875#define UNLINK PerlLIO_unlink
8d063cd8 2876#endif
a687059c 2877
fa0a29af
JH		 2878/* some versions of glibc are missing the setresuid() proto */
2879#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2880int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2881#endif
fa0a29af
JH		 2882/* some versions of glibc are missing the setresgid() proto */
2883#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2884int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2885#endif
2886
fe14fcc3 2887#ifndef HAS_SETREUID
85e6fe83
LW		 2888# ifdef HAS_SETRESUID
2889# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2890# define HAS_SETREUID
2891# endif
a687059c 2892#endif
fe14fcc3 2893#ifndef HAS_SETREGID
85e6fe83
LW		 2894# ifdef HAS_SETRESGID
2895# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2896# define HAS_SETREGID
2897# endif
a687059c 2898#endif
ee0007ab 2899
d543acb6 2900/* Sighandler_t defined in iperlsys.h */
ff68c719 2901
2902#ifdef HAS_SIGACTION
2903typedef struct sigaction Sigsave_t;
2904#else
2905typedef Sighandler_t Sigsave_t;
2906#endif
2907
ee0007ab
LW		 2908#define SCAN_DEF 0
2909#define SCAN_TR 1
2910#define SCAN_REPL 2
79072805
LW		 2911
2912#ifdef DEBUGGING
4633a7c4 2913# ifndef register
a0d0e21e
LW		 2914# define register
2915# endif
cea2e8a9 2916# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2917#else
cea2e8a9 2918# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2919#endif
2920
18f739ee 2921#ifdef MYMALLOC
772fe5b3 2922# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2923# define MALLOC_INIT \
2924 STMT_START { \
2925 PL_malloc_mutex = NULL; \
2926 MUTEX_INIT(&PL_malloc_mutex); \
2927 } STMT_END
2928# define MALLOC_TERM \
2929 STMT_START { \
2930 perl_mutex tmp = PL_malloc_mutex; \
2931 PL_malloc_mutex = NULL; \
2932 MUTEX_DESTROY(&tmp); \
2933 } STMT_END
2934# else
2935# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2936# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2937# endif
18f739ee
IZ		 2938#else
2939# define MALLOC_INIT
2940# define MALLOC_TERM
2941#endif
2942
b6d9d515 2943
0cb96387 2944typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2945typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2946typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2947typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2948
940cb80d 2949/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2950#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2951
8f1f23e8
W		 2952/* NeXT has problems with crt0.o globals */
2953#if defined(__DYNAMIC__) && \
6239f2da 2954 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 2955# if defined(NeXT) || defined(__NeXT)
2956# include <mach-o/dyld.h>
2957# define environ (*environ_pointer)
0c30d9ec 2958EXT char *** environ_pointer;
8f1f23e8 2959# else
6239f2da 2960# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 2961# include <crt_externs.h> /* for the env array */
2962# define environ (*_NSGetEnviron())
2963# endif
0c30d9ec 2964# endif
8f1f23e8
W		 2965#else
2966 /* VMS and some other platforms don't use the environ array */
13b6e58c 2967# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2968# if !defined(DONT_DECLARE_STD) || \
2969 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2970 defined(__sgi) || \
d460ef45 2971 defined(__DGUX)
8f1f23e8 2972extern char ** environ; /* environment variables supplied via exec */
a6c40364 2973# endif
8f1f23e8
W		 2974# endif
2975#endif
79072805 2976
73c4f7a1
GS		 2977START_EXTERN_C
2978
79072805 2979/* handy constants */
22c35a8c 2980EXTCONST char PL_warn_uninit[]
b89fed5f 2981 INIT("Use of uninitialized value%s%s");
22c35a8c 2982EXTCONST char PL_warn_nosemi[]
463ee0b2 2983 INIT("Semicolon seems to be missing");
22c35a8c 2984EXTCONST char PL_warn_reserved[]
463ee0b2 2985 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2986EXTCONST char PL_warn_nl[]
93a17b20 2987 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2988EXTCONST char PL_no_wrongref[]
a0d0e21e 2989 INIT("Can't use %s ref as %s ref");
22c35a8c 2990EXTCONST char PL_no_symref[]
748a9306 2991 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2992EXTCONST char PL_no_usym[]
8990e307 2993 INIT("Can't use an undefined value as %s reference");
22c35a8c 2994EXTCONST char PL_no_aelem[]
93a17b20 2995 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2996EXTCONST char PL_no_helem[]
93a17b20 2997 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2998EXTCONST char PL_no_modify[]
93a17b20 2999 INIT("Modification of a read-only value attempted");
22c35a8c 3000EXTCONST char PL_no_mem[]
93a17b20 3001 INIT("Out of memory!\n");
22c35a8c 3002EXTCONST char PL_no_security[]
463ee0b2 3003 INIT("Insecure dependency in %s%s");
22c35a8c 3004EXTCONST char PL_no_sock_func[]
93a17b20 3005 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3006EXTCONST char PL_no_dir_func[]
93a17b20 3007 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3008EXTCONST char PL_no_func[]
93a17b20 3009 INIT("The %s function is unimplemented");
22c35a8c 3010EXTCONST char PL_no_myglob[]
748a9306 3011 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3012EXTCONST char PL_no_localize_ref[]
3013 INIT("Can't localize through a reference");
93a17b20 3014
7575fa06 3015EXTCONST char PL_uuemap[65]
80252599
GS		 3016 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3017
3018
79072805 3019#ifdef DOINIT
22c35a8c
GS		 3020EXT char *PL_sig_name[] = { SIG_NAME };
3021EXT int PL_sig_num[] = { SIG_NUM };
79072805 3022#else
22c35a8c
GS		 3023EXT char *PL_sig_name[];
3024EXT int PL_sig_num[];
79072805
LW		 3025#endif
3026
3bd709b1 3027/* fast conversion and case folding tables */
bbce6d69 3028
79072805 3029#ifdef DOINIT
9d116dd7 3030#ifdef EBCDIC
22c35a8c 3031EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3032 0, 1, 2, 3, 4, 5, 6, 7,
3033 8, 9, 10, 11, 12, 13, 14, 15,
3034 16, 17, 18, 19, 20, 21, 22, 23,
3035 24, 25, 26, 27, 28, 29, 30, 31,
3036 32, 33, 34, 35, 36, 37, 38, 39,
3037 40, 41, 42, 43, 44, 45, 46, 47,
3038 48, 49, 50, 51, 52, 53, 54, 55,
3039 56, 57, 58, 59, 60, 61, 62, 63,
3040 64, 65, 66, 67, 68, 69, 70, 71,
3041 72, 73, 74, 75, 76, 77, 78, 79,
3042 80, 81, 82, 83, 84, 85, 86, 87,
3043 88, 89, 90, 91, 92, 93, 94, 95,
3044 96, 97, 98, 99, 100, 101, 102, 103,
3045 104, 105, 106, 107, 108, 109, 110, 111,
3046 112, 113, 114, 115, 116, 117, 118, 119,
3047 120, 121, 122, 123, 124, 125, 126, 127,
3048 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3049 'H', 'I', 138, 139, 140, 141, 142, 143,
3050 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3051 'Q', 'R', 154, 155, 156, 157, 158, 159,
3052 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3053 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3054 176, 177, 178, 179, 180, 181, 182, 183,
3055 184, 185, 186, 187, 188, 189, 190, 191,
3056 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3057 'h', 'i', 202, 203, 204, 205, 206, 207,
3058 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3059 'q', 'r', 218, 219, 220, 221, 222, 223,
3060 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3061 'y', 'z', 234, 235, 236, 237, 238, 239,
3062 240, 241, 242, 243, 244, 245, 246, 247,
3063 248, 249, 250, 251, 252, 253, 254, 255
3064};
3065#else /* ascii rather than ebcdic */
22c35a8c 3066EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3067 0, 1, 2, 3, 4, 5, 6, 7,
3068 8, 9, 10, 11, 12, 13, 14, 15,
3069 16, 17, 18, 19, 20, 21, 22, 23,
3070 24, 25, 26, 27, 28, 29, 30, 31,
3071 32, 33, 34, 35, 36, 37, 38, 39,
3072 40, 41, 42, 43, 44, 45, 46, 47,
3073 48, 49, 50, 51, 52, 53, 54, 55,
3074 56, 57, 58, 59, 60, 61, 62, 63,
3075 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3076 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3077 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3078 'x', 'y', 'z', 91, 92, 93, 94, 95,
3079 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3080 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3081 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3082 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3083 128, 129, 130, 131, 132, 133, 134, 135,
3084 136, 137, 138, 139, 140, 141, 142, 143,
3085 144, 145, 146, 147, 148, 149, 150, 151,
3086 152, 153, 154, 155, 156, 157, 158, 159,
3087 160, 161, 162, 163, 164, 165, 166, 167,
3088 168, 169, 170, 171, 172, 173, 174, 175,
3089 176, 177, 178, 179, 180, 181, 182, 183,
3090 184, 185, 186, 187, 188, 189, 190, 191,
3091 192, 193, 194, 195, 196, 197, 198, 199,
3092 200, 201, 202, 203, 204, 205, 206, 207,
3093 208, 209, 210, 211, 212, 213, 214, 215,
3094 216, 217, 218, 219, 220, 221, 222, 223,
3095 224, 225, 226, 227, 228, 229, 230, 231,
3096 232, 233, 234, 235, 236, 237, 238, 239,
3097 240, 241, 242, 243, 244, 245, 246, 247,
3098 248, 249, 250, 251, 252, 253, 254, 255
3099};
9d116dd7 3100#endif /* !EBCDIC */
79072805 3101#else
22c35a8c 3102EXTCONST unsigned char PL_fold[];
79072805
LW		 3103#endif
3104
3105#ifdef DOINIT
22c35a8c 3106EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3107 0, 1, 2, 3, 4, 5, 6, 7,
3108 8, 9, 10, 11, 12, 13, 14, 15,
3109 16, 17, 18, 19, 20, 21, 22, 23,
3110 24, 25, 26, 27, 28, 29, 30, 31,
3111 32, 33, 34, 35, 36, 37, 38, 39,
3112 40, 41, 42, 43, 44, 45, 46, 47,
3113 48, 49, 50, 51, 52, 53, 54, 55,
3114 56, 57, 58, 59, 60, 61, 62, 63,
3115 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3116 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3117 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3118 'x', 'y', 'z', 91, 92, 93, 94, 95,
3119 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3120 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3121 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3122 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3123 128, 129, 130, 131, 132, 133, 134, 135,
3124 136, 137, 138, 139, 140, 141, 142, 143,
3125 144, 145, 146, 147, 148, 149, 150, 151,
3126 152, 153, 154, 155, 156, 157, 158, 159,
3127 160, 161, 162, 163, 164, 165, 166, 167,
3128 168, 169, 170, 171, 172, 173, 174, 175,
3129 176, 177, 178, 179, 180, 181, 182, 183,
3130 184, 185, 186, 187, 188, 189, 190, 191,
3131 192, 193, 194, 195, 196, 197, 198, 199,
3132 200, 201, 202, 203, 204, 205, 206, 207,
3133 208, 209, 210, 211, 212, 213, 214, 215,
3134 216, 217, 218, 219, 220, 221, 222, 223,
3135 224, 225, 226, 227, 228, 229, 230, 231,
3136 232, 233, 234, 235, 236, 237, 238, 239,
3137 240, 241, 242, 243, 244, 245, 246, 247,
3138 248, 249, 250, 251, 252, 253, 254, 255
3139};
3140#else
22c35a8c 3141EXT unsigned char PL_fold_locale[];
79072805
LW		 3142#endif
3143
3144#ifdef DOINIT
9d116dd7 3145#ifdef EBCDIC
22c35a8c 3146EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3147 1, 2, 84, 151, 154, 155, 156, 157,
3148 165, 246, 250, 3, 158, 7, 18, 29,
3149 40, 51, 62, 73, 85, 96, 107, 118,
3150 129, 140, 147, 148, 149, 150, 152, 153,
3151 255, 6, 8, 9, 10, 11, 12, 13,
3152 14, 15, 24, 25, 26, 27, 28, 226,
3153 29, 30, 31, 32, 33, 43, 44, 45,
3154 46, 47, 48, 49, 50, 76, 77, 78,
3155 79, 80, 81, 82, 83, 84, 85, 86,
3156 87, 94, 95, 234, 181, 233, 187, 190,
3157 180, 96, 97, 98, 99, 100, 101, 102,
3158 104, 112, 182, 174, 236, 232, 229, 103,
3159 228, 226, 114, 115, 116, 117, 118, 119,
3160 120, 121, 122, 235, 176, 230, 194, 162,
3161 130, 131, 132, 133, 134, 135, 136, 137,
3162 138, 139, 201, 205, 163, 217, 220, 224,
3163 5, 248, 227, 244, 242, 255, 241, 231,
3164 240, 253, 16, 197, 19, 20, 21, 187,
3165 23, 169, 210, 245, 237, 249, 247, 239,
3166 168, 252, 34, 196, 36, 37, 38, 39,
3167 41, 42, 251, 254, 238, 223, 221, 213,
3168 225, 177, 52, 53, 54, 55, 56, 57,
3169 58, 59, 60, 61, 63, 64, 65, 66,
3170 67, 68, 69, 70, 71, 72, 74, 75,
3171 205, 208, 186, 202, 200, 218, 198, 179,
3172 178, 214, 88, 89, 90, 91, 92, 93,
3173 217, 166, 170, 207, 199, 209, 206, 204,
3174 160, 212, 105, 106, 108, 109, 110, 111,
3175 203, 113, 216, 215, 192, 175, 193, 243,
3176 172, 161, 123, 124, 125, 126, 127, 128,
3177 222, 219, 211, 195, 188, 193, 185, 184,
3178 191, 183, 141, 142, 143, 144, 145, 146
3179};
3180#else /* ascii rather than ebcdic */
22c35a8c 3181EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3182 1, 2, 84, 151, 154, 155, 156, 157,
3183 165, 246, 250, 3, 158, 7, 18, 29,
3184 40, 51, 62, 73, 85, 96, 107, 118,
3185 129, 140, 147, 148, 149, 150, 152, 153,
3186 255, 182, 224, 205, 174, 176, 180, 217,
3187 233, 232, 236, 187, 235, 228, 234, 226,
3188 222, 219, 211, 195, 188, 193, 185, 184,
3189 191, 183, 201, 229, 181, 220, 194, 162,
3190 163, 208, 186, 202, 200, 218, 198, 179,
3191 178, 214, 166, 170, 207, 199, 209, 206,
3192 204, 160, 212, 216, 215, 192, 175, 173,
3193 243, 172, 161, 190, 203, 189, 164, 230,
3194 167, 248, 227, 244, 242, 255, 241, 231,
3195 240, 253, 169, 210, 245, 237, 249, 247,
3196 239, 168, 252, 251, 254, 238, 223, 221,
3197 213, 225, 177, 197, 171, 196, 159, 4,
3198 5, 6, 8, 9, 10, 11, 12, 13,
3199 14, 15, 16, 17, 19, 20, 21, 22,
3200 23, 24, 25, 26, 27, 28, 30, 31,
3201 32, 33, 34, 35, 36, 37, 38, 39,
3202 41, 42, 43, 44, 45, 46, 47, 48,
3203 49, 50, 52, 53, 54, 55, 56, 57,
3204 58, 59, 60, 61, 63, 64, 65, 66,
3205 67, 68, 69, 70, 71, 72, 74, 75,
3206 76, 77, 78, 79, 80, 81, 82, 83,
3207 86, 87, 88, 89, 90, 91, 92, 93,
3208 94, 95, 97, 98, 99, 100, 101, 102,
3209 103, 104, 105, 106, 108, 109, 110, 111,
3210 112, 113, 114, 115, 116, 117, 119, 120,
3211 121, 122, 123, 124, 125, 126, 127, 128,
3212 130, 131, 132, 133, 134, 135, 136, 137,
3213 138, 139, 141, 142, 143, 144, 145, 146
3214};
9d116dd7 3215#endif
79072805 3216#else
22c35a8c 3217EXTCONST unsigned char PL_freq[];
79072805
LW		 3218#endif
3219
8990e307
LW		 3220#ifdef DEBUGGING
3221#ifdef DOINIT
22c35a8c 3222EXTCONST char* PL_block_type[] = {
8990e307
LW		 3223 "NULL",
3224 "SUB",
3225 "EVAL",
3226 "LOOP",
3227 "SUBST",
3228 "BLOCK",
3229};
3230#else
22c35a8c 3231EXTCONST char* PL_block_type[];
8990e307
LW		 3232#endif
3233#endif
3234
73c4f7a1
GS		 3235END_EXTERN_C
3236
79072805
LW		 3237/*****************************************************************************/
3238/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3239/*****************************************************************************/
8990e307 3240/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3241
a0d0e21e
LW		 3242#include "perly.h"
3243
fb73857a 3244#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3245
79072805
LW		 3246typedef enum {
3247 XOPERATOR,
3248 XTERM,
79072805 3249 XREF,
8990e307 3250 XSTATE,
a0d0e21e 3251 XBLOCK,
09bef843
SB		 3252 XATTRBLOCK,
3253 XATTRTERM,
6f33ba73
RGS		 3254 XTERMBLOCK,
3255 XTERMORDORDOR /* evil hack */
27308ded 3256 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3257} expectation;
3258
dc9e4912
GS		 3259enum { /* pass one of these to get_vtbl */
3260 want_vtbl_sv,
3261 want_vtbl_env,
3262 want_vtbl_envelem,
3263 want_vtbl_sig,
3264 want_vtbl_sigelem,
3265 want_vtbl_pack,
3266 want_vtbl_packelem,
3267 want_vtbl_dbline,
3268 want_vtbl_isa,
3269 want_vtbl_isaelem,
3270 want_vtbl_arylen,
3271 want_vtbl_glob,
3272 want_vtbl_mglob,
3273 want_vtbl_nkeys,
3274 want_vtbl_taint,
3275 want_vtbl_substr,
3276 want_vtbl_vec,
3277 want_vtbl_pos,
3278 want_vtbl_bm,
3279 want_vtbl_fm,
3280 want_vtbl_uvar,
3281 want_vtbl_defelem,
3282 want_vtbl_regexp,
3283 want_vtbl_collxfrm,
3284 want_vtbl_amagic,
3285 want_vtbl_amagicelem,
dc9e4912 3286 want_vtbl_regdata,
810b8aa5 3287 want_vtbl_regdatum,
7e8c5dac
HS		 3288 want_vtbl_backref,
3289 want_vtbl_utf8
dc9e4912
GS		 3290};
3291
85e6fe83
LW		 3292 /* Note: the lowest 8 bits are reserved for
3293 stuffing into op->op_private */
f3aa04c2 3294#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3295#define HINT_INTEGER 0x00000001 /* integer pragma */
3296#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3297#define HINT_LOCALE 0x00000004 /* locale pragma */
3298#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3299/* #define HINT_notused10 0x00000010 */
a0ed51b3 3300 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3301 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3302
3303#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3304#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3305#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3306
9cfe5470 3307/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3308#define HINT_NEW_INTEGER 0x00001000
3309#define HINT_NEW_FLOAT 0x00002000
3310#define HINT_NEW_BINARY 0x00004000
3311#define HINT_NEW_STRING 0x00008000
3312#define HINT_NEW_RE 0x00010000
3313#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3314
9cfe5470
RGS		 3315#define HINT_RE_TAINT 0x00100000 /* re pragma */
3316#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3317
9cfe5470
RGS		 3318#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3319#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3320
8fa7688f 3321/* assertions pragma */
06492da6 3322#define HINT_ASSERTING 0x01000000
8fa7688f 3323#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3324
9cfe5470 3325/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3326#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3327#define HINT_SORT_QUICKSORT 0x00000001
3328#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3329#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3330
8bfdd7d9 3331/* Various states of the input record separator SV (rs) */
d4cce5f1 3332#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3333#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3334#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3335#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3336
128e8167 3337/* A struct for keeping various DEBUGGING related stuff,
ce333219 3338 * neatly packed. Currently only scratch variables for
128e8167
JH		 3339 * constructing debug output are included. Needed always,
3340 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3341struct perl_debug_pad {
3342 SV pad[3];
3343};
3344
3345#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3346#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3347
56953603 3348/* Enable variables which are pointers to functions */
a2efc822 3349typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3350typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3351typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3352 char* strend, char* strbeg, I32 minend,
3353 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3354typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3355 char *strpos, char *strend,
3356 U32 flags,
3357 struct re_scream_pos_data_s *d);
3358typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3359typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3360
c76ac1ee 3361typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3362typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3363typedef void (*SVFUNC_t) (pTHX_ SV*);
3364typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3365typedef void (*XSINIT_t) (pTHX);
3366typedef void (*ATEXIT_t) (pTHX_ void*);
3367typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3368
22239a37
NIS		 3369/* Set up PERLVAR macros for populating structs */
3370#define PERLVAR(var,type) type var;
51371543 3371#define PERLVARA(var,n,type) type var[n];
22239a37 3372#define PERLVARI(var,type,init) type var;
3fe35a81 3373#define PERLVARIC(var,type,init) type var;
22239a37 3374
58a50f62
GS		 3375/* Interpreter exitlist entry */
3376typedef struct exitlistentry {
acfe0abc 3377 void (*fn) (pTHX_ void*);
58a50f62
GS		 3378 void *ptr;
3379} PerlExitListEntry;
3380
22239a37
NIS		 3381#ifdef PERL_GLOBAL_STRUCT
3382struct perl_vars {
7766f137 3383# include "perlvars.h"
22239a37
NIS		 3384};
3385
7766f137 3386# ifdef PERL_CORE
533c011a
NIS		 3387EXT struct perl_vars PL_Vars;
3388EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3389# else /* PERL_CORE */
3390# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3391EXT
7766f137 3392# endif /* WIN32 */
533c011a 3393struct perl_vars *PL_VarsPtr;
7766f137
GS		 3394# define PL_Vars (*((PL_VarsPtr) \
3395 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3396# endif /* PERL_CORE */
22239a37
NIS		 3397#endif /* PERL_GLOBAL_STRUCT */
3398
acfe0abc 3399#if defined(MULTIPLICITY)
d460ef45 3400/* If we have multiple interpreters define a struct
d4cce5f1 3401 holding variables which must be per-interpreter
d460ef45 3402 If we don't have threads anything that would have
d4cce5f1
NIS		 3403 be per-thread is per-interpreter.
3404*/
3405
79072805 3406struct interpreter {
3db8f154 3407# include "thrdvar.h"
7766f137
GS		 3408# include "intrpvar.h"
3409/*
3410 * The following is a buffer where new variables must
acfe0abc 3411 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3412 */
3413PERLVARA(object_compatibility,30, char)
49f531da 3414};
d4cce5f1 3415
79072805 3416#else
49f531da
NIS		 3417struct interpreter {
3418 char broiled;
3419};
acfe0abc 3420#endif /* MULTIPLICITY */
79072805 3421
22fae026 3422typedef void *Thread;
22239a37
NIS		 3423
3424/* Done with PERLVAR macros for now ... */
d4cce5f1 3425#undef PERLVAR
51371543 3426#undef PERLVARA
d4cce5f1 3427#undef PERLVARI
3fe35a81 3428#undef PERLVARIC
79072805 3429
49704364
WL		 3430/* Types used by pack/unpack */
3431typedef enum {
3432 e_no_len, /* no length */
3433 e_number, /* number, [] */
3434 e_star /* asterisk */
3435} howlen_t;
3436
3437typedef struct {
3438 char* patptr; /* current template char */
3439 char* patend; /* one after last char */
3440 char* grpbeg; /* 1st char of ()-group */
3441 char* grpend; /* end of ()-group */
3442 I32 code; /* template code (!) */
3443 I32 length; /* length/repeat count */
3444 howlen_t howlen; /* how length is given */
3445 int level; /* () nesting level */
3446 U32 flags; /* /=4, comma=2, pack=1 */
3447} tempsym_t;
3448
22239a37 3449#include "thread.h"
79072805 3450#include "pp.h"
864dbfa3
GS		 3451
3452#ifndef PERL_CALLCONV
3453# define PERL_CALLCONV
d460ef45 3454#endif
864dbfa3 3455
65f19062
GS		 3456#ifndef NEXT30_NO_ATTRIBUTE
3457# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3458# ifdef __attribute__ /* Avoid possible redefinition errors */
3459# undef __attribute__
3460# endif
3461# define __attribute__(attr)
3462# endif
3463#endif
3464
0cb96387
GS		 3465#undef PERL_CKDEF
3466#undef PERL_PPDEF
3467#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3468#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3469
7766f137 3470#include "proto.h"
864dbfa3 3471
0cb96387 3472/* this has structure inits, so it cannot be included before here */
acfe0abc 3473#include "opcode.h"
864dbfa3 3474
d4cce5f1
NIS		 3475/* The following must follow proto.h as #defines mess up syntax */
3476
22c35a8c
GS		 3477#if !defined(PERL_FOR_X2P)
3478# include "embedvar.h"
3479#endif
d4cce5f1 3480
d460ef45 3481/* Now include all the 'global' variables
d4cce5f1 3482 * If we don't have threads or multiple interpreters
d460ef45 3483 * these include variables that would have been their struct-s
d4cce5f1 3484 */
d460ef45 3485
533c011a 3486#define PERLVAR(var,type) EXT type PL_##var;
51371543 3487#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3488#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3489#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3490
acfe0abc 3491#if !defined(MULTIPLICITY)
7766f137 3492START_EXTERN_C
066ef5b5 3493# include "intrpvar.h"
3db8f154 3494# include "thrdvar.h"
7766f137 3495END_EXTERN_C
22239a37
NIS		 3496#endif
3497
acfe0abc 3498#if defined(WIN32)
66a93824 3499/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3500# include "embed.h"
acfe0abc 3501#endif
22239a37 3502
c5be433b
GS		 3503#ifndef PERL_GLOBAL_STRUCT
3504START_EXTERN_C
3505
3506# include "perlvars.h"
3507
3508END_EXTERN_C
3509#endif
3510
d4cce5f1 3511#undef PERLVAR
51371543 3512#undef PERLVARA
d4cce5f1 3513#undef PERLVARI
0f3f18a6 3514#undef PERLVARIC
79072805 3515
73c4f7a1
GS		 3516START_EXTERN_C
3517
79072805 3518#ifdef DOINIT
bbce6d69 3519
68795e93 3520EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3521 MEMBER_TO_FPTR(Perl_magic_set),
3522 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3523 0, 0};
2b260de0
GS		 3524EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3525 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3526 0};
2b260de0
GS		 3527EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3528 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3529 0};
22c35a8c 3530EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3531#ifdef PERL_MICRO
3532EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3533#else
2b260de0
GS		 3534EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3535 MEMBER_TO_FPTR(Perl_magic_setsig),
3536 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3537 0};
64ca3a65 3538#endif
68795e93
NIS		 3539EXT MGVTBL PL_vtbl_pack = {0, 0,
3540 MEMBER_TO_FPTR(Perl_magic_sizepack),
3541 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3542 0};
2b260de0 3543EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3544 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3545 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3546 0};
2b260de0 3547EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3548 0, 0, 0};
2b260de0
GS		 3549EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3550 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3551 0};
2b260de0 3552EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3553 0, 0, 0};
2b260de0
GS		 3554EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3555 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3556 0, 0, 0};
2b260de0
GS		 3557EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3558 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3559 0, 0, 0};
2b260de0 3560EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3561 0, 0, 0};
2b260de0
GS		 3562EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3563 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3564 0, 0, 0};
68795e93
NIS		 3565EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3566 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3567 0, 0, 0};
68795e93
NIS		 3568EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3569 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3570 0, 0, 0};
2b260de0 3571EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3572 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3573 0, 0, 0};
2b260de0
GS		 3574EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3575 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3576 0, 0, 0};
2b260de0 3577EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3578 0, 0, 0};
2b260de0 3579EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3580 0, 0, 0};
2b260de0
GS		 3581EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3582 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3583 0, 0, 0};
68795e93
NIS		 3584EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3585 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3586 0, 0, 0};
a0d0e21e 3587
faf82a0b 3588EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3589EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3590EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3591 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3592
36477c24 3593#ifdef USE_LOCALE_COLLATE
22c35a8c 3594EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3595 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3596 0, 0, 0};
3597#endif
a0d0e21e 3598
2b260de0
GS		 3599EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3600 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3601EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3602 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3603
810b8aa5 3604EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3605 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3606
d460ef45
NIS		 3607EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3608 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3609
7e8c5dac
HS		 3610EXT MGVTBL PL_vtbl_utf8 = {0,
3611 MEMBER_TO_FPTR(Perl_magic_setutf8),
3612 0, 0, 0};
3613
bbce6d69 3614#else /* !DOINIT */
3615
22c35a8c
GS		 3616EXT MGVTBL PL_vtbl_sv;
3617EXT MGVTBL PL_vtbl_env;
3618EXT MGVTBL PL_vtbl_envelem;
3619EXT MGVTBL PL_vtbl_sig;
3620EXT MGVTBL PL_vtbl_sigelem;
3621EXT MGVTBL PL_vtbl_pack;
3622EXT MGVTBL PL_vtbl_packelem;
3623EXT MGVTBL PL_vtbl_dbline;
3624EXT MGVTBL PL_vtbl_isa;
3625EXT MGVTBL PL_vtbl_isaelem;
3626EXT MGVTBL PL_vtbl_arylen;
3627EXT MGVTBL PL_vtbl_glob;
3628EXT MGVTBL PL_vtbl_mglob;
3629EXT MGVTBL PL_vtbl_nkeys;
3630EXT MGVTBL PL_vtbl_taint;
3631EXT MGVTBL PL_vtbl_substr;
3632EXT MGVTBL PL_vtbl_vec;
3633EXT MGVTBL PL_vtbl_pos;
3634EXT MGVTBL PL_vtbl_bm;
3635EXT MGVTBL PL_vtbl_fm;
3636EXT MGVTBL PL_vtbl_uvar;
d460ef45 3637EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3638
22c35a8c
GS		 3639EXT MGVTBL PL_vtbl_defelem;
3640EXT MGVTBL PL_vtbl_regexp;
3641EXT MGVTBL PL_vtbl_regdata;
3642EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3643
36477c24 3644#ifdef USE_LOCALE_COLLATE
22c35a8c 3645EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3646#endif
a0d0e21e 3647
22c35a8c
GS		 3648EXT MGVTBL PL_vtbl_amagic;
3649EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3650
810b8aa5 3651EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3652EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3653
bbce6d69 3654#endif /* !DOINIT */
85e6fe83 3655
f5284f61
IZ		 3656enum {
3657 fallback_amg, abs_amg,
3658 bool__amg, nomethod_amg,
3659 string_amg, numer_amg,
3660 add_amg, add_ass_amg,
3661 subtr_amg, subtr_ass_amg,
3662 mult_amg, mult_ass_amg,
3663 div_amg, div_ass_amg,
3664 modulo_amg, modulo_ass_amg,
3665 pow_amg, pow_ass_amg,
3666 lshift_amg, lshift_ass_amg,
3667 rshift_amg, rshift_ass_amg,
3668 band_amg, band_ass_amg,
3669 bor_amg, bor_ass_amg,
3670 bxor_amg, bxor_ass_amg,
3671 lt_amg, le_amg,
3672 gt_amg, ge_amg,
3673 eq_amg, ne_amg,
3674 ncmp_amg, scmp_amg,
3675 slt_amg, sle_amg,
3676 sgt_amg, sge_amg,
3677 seq_amg, sne_amg,
3678 not_amg, compl_amg,
3679 inc_amg, dec_amg,
3680 atan2_amg, cos_amg,
3681 sin_amg, exp_amg,
3682 log_amg, sqrt_amg,
3683 repeat_amg, repeat_ass_amg,
3684 concat_amg, concat_ass_amg,
3685 copy_amg, neg_amg,
3686 to_sv_amg, to_av_amg,
3687 to_hv_amg, to_gv_amg,
d460ef45 3688 to_cv_amg, iter_amg,
f216259d
IZ		 3689 int_amg, DESTROY_amg,
3690 max_amg_code
64a0062a 3691 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3692};
3693
3694#define NofAMmeth max_amg_code
89ffc314 3695#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3696
a0d0e21e 3697#ifdef DOINIT
22c35a8c 3698EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3699 /* Names kept in the symbol table. fallback => "()", the rest has
3700 "(" prepended. The only other place in perl which knows about
3701 this convention is AMG_id2name (used for debugging output and
3702 'nomethod' only), the only other place which has it hardwired is
3703 overload.pm. */
3704 "()", "(abs", /* "fallback" should be the first. */
3705 "(bool", "(nomethod",
3706 "(\"\"", "(0+",
3707 "(+", "(+=",
3708 "(-", "(-=",
3709 "(*", "(*=",
3710 "(/", "(/=",
3711 "(%", "(%=",
3712 "(**", "(**=",
3713 "(<<", "(<<=",
3714 "(>>", "(>>=",
3715 "(&", "(&=",
3716 "(|", "(|=",
3717 "(^", "(^=",
3718 "(<", "(<=",
3719 "(>", "(>=",
3720 "(==", "(!=",
3721 "(<=>", "(cmp",
3722 "(lt", "(le",
3723 "(gt", "(ge",
3724 "(eq", "(ne",
3725 "(!", "(~",
3726 "(++", "(--",
3727 "(atan2", "(cos",
3728 "(sin", "(exp",
3729 "(log", "(sqrt",
3730 "(x", "(x=",
3731 "(.", "(.=",
3732 "(=", "(neg",
3733 "(${}", "(@{}",
3734 "(%{}", "(*{}",
3735 "(&{}", "(<>",
f216259d 3736 "(int", "DESTROY",
a0d0e21e
LW		 3737};
3738#else
22c35a8c 3739EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3740#endif /* def INITAMAGIC */
3741
73c4f7a1
GS		 3742END_EXTERN_C
3743
a6006777 3744struct am_table {
eb160463 3745 U32 was_ok_sub;
a0d0e21e 3746 long was_ok_am;
a6006777 3747 U32 flags;
3748 CV* table[NofAMmeth];
a0d0e21e
LW		 3749 long fallback;
3750};
a6006777 3751struct am_table_short {
eb160463 3752 U32 was_ok_sub;
a6006777 3753 long was_ok_am;
3754 U32 flags;
3755};
a0d0e21e 3756typedef struct am_table AMT;
a6006777 3757typedef struct am_table_short AMTS;
a0d0e21e
LW		 3758
3759#define AMGfallNEVER 1
3760#define AMGfallNO 2
3761#define AMGfallYES 3
3762
a6006777 3763#define AMTf_AMAGIC 1
32251b26 3764#define AMTf_OVERLOADED 2
a6006777 3765#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3766#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3767#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3768#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3769#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3770#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3771
32251b26 3772#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3773
3774/*
3775 * some compilers like to redefine cos et alia as faster
3776 * (and less accurate?) versions called F_cos et cetera (Quidquid
3777 * latine dictum sit, altum viditur.) This trick collides with
3778 * the Perl overloading (amg). The following #defines fool both.
3779 */
3780
3781#ifdef _FASTMATH
3782# ifdef atan2
3783# define F_atan2_amg atan2_amg
3784# endif
3785# ifdef cos
3786# define F_cos_amg cos_amg
3787# endif
3788# ifdef exp
3789# define F_exp_amg exp_amg
3790# endif
3791# ifdef log
3792# define F_log_amg log_amg
3793# endif
3794# ifdef pow
3795# define F_pow_amg pow_amg
3796# endif
3797# ifdef sin
3798# define F_sin_amg sin_amg
3799# endif
3800# ifdef sqrt
3801# define F_sqrt_amg sqrt_amg
3802# endif
3803#endif /* _FASTMATH */
3804
83ee9e09
GS		 3805#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3806 PERLDBf_NOOPT | PERLDBf_INTER | \
3807 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3808 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3809 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3810#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3811#define PERLDBf_LINE 0x02 /* Keep line # */
3812#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3813#define PERLDBf_INTER 0x08 /* Preserve more data for
3814 later inspections */
3815#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3816#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3817#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3818#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3819#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3820#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3821#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3822
3280af22
NIS		 3823#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3824#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3825#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3826#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3827#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3828#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3829#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3830#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3831#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3832#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3833#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3834
36477c24 3835#ifdef USE_LOCALE_NUMERIC
bbce6d69 3836
36477c24 3837#define SET_NUMERIC_STANDARD() \
ff4fed7c 3838 set_numeric_standard();
36477c24 3839
3840#define SET_NUMERIC_LOCAL() \
ff4fed7c 3841 set_numeric_local();
bbce6d69 3842
2de3dbcc
JH		 3843#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3844#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3845
3846#define IN_LOCALE \
3847 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3848
f93f4e46 3849#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3850 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3851 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3852
3853#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3854 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3855 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3856
3857#define RESTORE_NUMERIC_LOCAL() \
3858 if (was_local) SET_NUMERIC_LOCAL();
3859
3860#define RESTORE_NUMERIC_STANDARD() \
3861 if (was_standard) SET_NUMERIC_STANDARD();
3862
5b877257 3863#define Atof my_atof
097ee67d 3864
36477c24 3865#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3866
097ee67d
JH		 3867#define SET_NUMERIC_STANDARD() /**/
3868#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3869#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3870#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3871#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3872#define RESTORE_NUMERIC_LOCAL() /**/
3873#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3874#define Atof my_atof
ad3e0f90 3875#define IN_LOCALE_RUNTIME 0
bbce6d69 3876
36477c24 3877#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3878
079290de 3879#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3880# ifdef __hpux
3881# define strtoll __strtoll /* secret handshake */
3882# endif
c623ac67
GS		 3883# ifdef WIN64
3884# define strtoll _strtoi64 /* secret handshake */
3885# endif
079290de
GS		 3886# if !defined(Strtol) && defined(HAS_STRTOLL)
3887# define Strtol strtoll
ad551343 3888# endif
28e5dec8
JH		 3889# if !defined(Strtol) && defined(HAS_STRTOQ)
3890# define Strtol strtoq
3891# endif
ff935051 3892/* is there atoq() anywhere? */
15b99d39 3893#endif
079290de
GS		 3894#if !defined(Strtol) && defined(HAS_STRTOL)
3895# define Strtol strtol
3896#endif
3897#ifndef Atol
3898/* It would be more fashionable to use Strtol() to define atol()
3899 * (as is done for Atoul(), see below) but for backward compatibility
3900 * we just assume atol(). */
76b882ba 3901# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3902# ifdef WIN64
3903# define atoll _atoi64 /* secret handshake */
3904# endif
76b882ba
JH		 3905# define Atol atoll
3906# else
3907# define Atol atol
3908# endif
cf2093f6
JH		 3909#endif
3910
55eb892c 3911#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3912# ifdef __hpux
3913# define strtoull __strtoull /* secret handshake */
3914# endif
c623ac67
GS		 3915# ifdef WIN64
3916# define strtoull _strtoui64 /* secret handshake */
3917# endif
ad551343 3918# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3919# define Strtoul strtoull
15b99d39 3920# endif
079290de
GS		 3921# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3922# define Strtoul strtouq
3923# endif
76d49b1c 3924/* is there atouq() anywhere? */
ad551343 3925#endif
079290de
GS		 3926#if !defined(Strtoul) && defined(HAS_STRTOUL)
3927# define Strtoul strtoul
cf2093f6 3928#endif
079290de
GS		 3929#ifndef Atoul
3930# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3931#endif
cf2093f6 3932
760ac839 3933
06d86050
GS		 3934/* if these never got defined, they need defaults */
3935#ifndef PERL_SET_CONTEXT
3936# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3937#endif
3938
3939#ifndef PERL_GET_CONTEXT
3940# define PERL_GET_CONTEXT PERL_GET_INTERP
3941#endif
3942
3943#ifndef PERL_GET_THX
3944# define PERL_GET_THX ((void*)NULL)
3945#endif
3946
3947#ifndef PERL_SET_THX
3948# define PERL_SET_THX(t) NOOP
3949#endif
3950
a868473f
NIS		 3951#ifndef PERL_SCRIPT_MODE
3952#define PERL_SCRIPT_MODE "r"
3953#endif
3954
fba3b22e 3955/*
da927450
JH		 3956 * Some operating systems are stingy with stack allocation,
3957 * so perl may have to guard against stack overflow.
3958 */
3959#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3960#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3961#endif
3962
3963/*
3964 * Some nonpreemptive operating systems find it convenient to
3965 * check for asynchronous conditions after each op execution.
3966 * Keep this check simple, or it may slow down execution
3967 * massively.
3968 */
ce08f86c 3969
1d615522 3970#ifndef PERL_MICRO
4ffa73a3
JH		 3971# ifndef PERL_ASYNC_CHECK
3972# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3973# endif
ce08f86c
NIS		 3974#endif
3975
da927450 3976#ifndef PERL_ASYNC_CHECK
1d615522 3977# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3978#endif
3979
3980/*
3981 * On some operating systems, a memory allocation may succeed,
3982 * but put the process too close to the system's comfort limit.
3983 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3984 * it to NULL.
3985 */
3986#ifndef PERL_ALLOC_CHECK
c2af87cb 3987#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3988#endif
3989
3990/*
fba3b22e
MB		 3991 * nice_chunk and nice_chunk size need to be set
3992 * and queried under the protection of sv_mutex
3993 */
30ad99e7
MJD		 3994#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3995 void *new_chunk; \
3996 U32 new_chunk_size; \
3997 LOCK_SV_MUTEX; \
3998 new_chunk = (void *)(chunk); \
3999 new_chunk_size = (chunk_size); \
4000 if (new_chunk_size > PL_nice_chunk_size) { \
4001 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4002 PL_nice_chunk = new_chunk; \
4003 PL_nice_chunk_size = new_chunk_size; \
4004 } else { \
4005 Safefree(chunk); \
4006 } \
4007 UNLOCK_SV_MUTEX; \
4008 } STMT_END
fba3b22e 4009
bd89102f
AD		 4010#ifdef HAS_SEM
4011# include <sys/ipc.h>
4012# include <sys/sem.h>
4013# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4014 union semun {
dbba660d
TC		 4015 int val;
4016 struct semid_ds *buf;
4017 unsigned short *array;
bd89102f
AD		 4018 };
4019# endif
4020# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4021# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4022 union gccbug_semun {
4023 int val;
4024 struct semid_ds *buf;
4025 unsigned short *array;
4026 char __dummy[5];
4027 };
4028# define semun gccbug_semun
4029# endif
bd89102f
AD		 4030# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4031# else
4032# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4033# ifdef EXTRA_F_IN_SEMUN_BUF
4034# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4035# else
4036# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4037# endif
bd89102f
AD		 4038# endif
4039# endif
bd89102f 4040#endif
49f531da 4041
89ca4ac7
JH		 4042/*
4043 * Boilerplate macros for initializing and accessing interpreter-local
4044 * data from C. All statics in extensions should be reworked to use
4045 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4046 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4047 *
4048 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4049 * 1. #define MY_CXT_KEY to a unique string, e.g.
4050 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4051 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4052 * all the data that needs to be interpreter-local.
4053 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4054 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4055 * (typically put in the BOOT: section).
4056 * 5. Use the members of the my_cxt_t structure everywhere as
4057 * MY_CXT.member.
4058 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4059 * access MY_CXT.
4060 */
4061
fc958cd2 4062#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4063
4064/* This must appear in all extensions that define a my_cxt_t structure,
4065 * right after the definition (i.e. at file scope). The non-threads
4066 * case below uses it to declare the data as static. */
4067#define START_MY_CXT
4068
4069/* Fetches the SV that keeps the per-interpreter data. */
4070#define dMY_CXT_SV \
4071 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4072 sizeof(MY_CXT_KEY)-1, TRUE)
4073
4074/* This declaration should be used within all functions that use the
4075 * interpreter-local data. */
4076#define dMY_CXT \
4077 dMY_CXT_SV; \
ec0e15e0 4078 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4079
4080/* Creates and zeroes the per-interpreter data.
4081 * (We allocate my_cxtp in a Perl SV so that it will be released when
4082 * the interpreter goes away.) */
4083#define MY_CXT_INIT \
4084 dMY_CXT_SV; \
4085 /* newSV() allocates one more than needed */ \
4086 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4087 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4088 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4089
4090/* This macro must be used to access members of the my_cxt_t structure.
4091 * e.g. MYCXT.some_data */
4092#define MY_CXT (*my_cxtp)
4093
4094/* Judicious use of these macros can reduce the number of times dMY_CXT
4095 * is used. Use is similar to pTHX, aTHX etc. */
4096#define pMY_CXT my_cxt_t *my_cxtp
4097#define pMY_CXT_ pMY_CXT,
4098#define _pMY_CXT ,pMY_CXT
4099#define aMY_CXT my_cxtp
4100#define aMY_CXT_ aMY_CXT,
4101#define _aMY_CXT ,aMY_CXT
4102
4103#else /* USE_ITHREADS */
4104
4105#define START_MY_CXT static my_cxt_t my_cxt;
4106#define dMY_CXT_SV dNOOP
4107#define dMY_CXT dNOOP
4108#define MY_CXT_INIT NOOP
4109#define MY_CXT my_cxt
4110
4111#define pMY_CXT void
4112#define pMY_CXT_
4113#define _pMY_CXT
4114#define aMY_CXT
4115#define aMY_CXT_
4116#define _aMY_CXT
4117
4118#endif /* !defined(USE_ITHREADS) */
4119
9a34ef1d
GS		 4120#ifdef I_FCNTL
4121# include <fcntl.h>
9a34ef1d
GS		 4122#endif
4123
4124#ifdef I_SYS_FILE
4125# include <sys/file.h>
4126#endif
4127
fa0a29af 4128#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4129int flock(int fd, int op);
4130#endif
4131
fe52b3b7
GS		 4132#ifndef O_RDONLY
4133/* Assume UNIX defaults */
4134# define O_RDONLY 0000
4135# define O_WRONLY 0001
4136# define O_RDWR 0002
4137# define O_CREAT 0100
4138#endif
9a34ef1d 4139
16fe6d59
GS		 4140#ifndef O_BINARY
4141# define O_BINARY 0
4142#endif
4143
4144#ifndef O_TEXT
4145# define O_TEXT 0
4146#endif
4147
6ce75a77
JH		 4148#if O_TEXT != O_BINARY
4149 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4150 * that is, you are somehow DOSish. */
538204d5 4151# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4152 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4153 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4154 /* VOS has O_TEXT != O_BINARY, and they have effect,
4155 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4156 /* If you have O_TEXT different from your O_BINARY but you still are
4157 * not a CRLF shop. */
35990314 4158# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4159# else
4160 /* If you really are DOSish. */
4161# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4162# endif
4163#endif
4164
104d25b7
JH		 4165#ifdef IAMSUID
4166
4167#ifdef I_SYS_STATVFS
9f982a77
IG		 4168# if defined(PERL_SCO) && !defined(_SVID3)
4169# define _SVID3
4170# endif
32b3cf08
JH		 4171# include <sys/statvfs.h> /* for f?statvfs() */
4172#endif
4173#ifdef I_SYS_MOUNT
4174# include <sys/mount.h> /* for *BSD f?statfs() */
4175#endif
4176#ifdef I_MNTENT
4177# include <mntent.h> /* for getmntent() */
104d25b7 4178#endif
0545a864
JH		 4179#ifdef I_SYS_STATFS
4180# include <sys/statfs.h> /* for some statfs() */
4181#endif
4182#ifdef I_SYS_VFS
8d9e1a19
GS		 4183# ifdef __sgi
4184# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4185# endif
4186# include <sys/vfs.h> /* for some statfs() */
4187# ifdef __sgi
4188# undef IRIX_sv
4189# endif
0545a864
JH		 4190#endif
4191#ifdef I_USTAT
4192# include <ustat.h> /* for ustat() */
4193#endif
4194
4195#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4196# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4197#endif
4198#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4199# define PERL_MOUNT_NOSUID MNT_NOSUID
4200#endif
4201#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4202# define PERL_MOUNT_NOSUID MS_NOSUID
4203#endif
4204#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4205# define PERL_MOUNT_NOSUID M_NOSUID
4206#endif
104d25b7
JH		 4207
4208#endif /* IAMSUID */
4209
4bc88a62
PS		 4210#ifdef I_LIBUTIL
4211# include <libutil.h> /* setproctitle() in some FreeBSDs */
4212#endif
4213
b4748376
NIS		 4214#ifndef EXEC_ARGV_CAST
4215#define EXEC_ARGV_CAST(x) x
4216#endif
4217
dd5dc04f
JH		 4218#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4219 int). value returned in pointed-
4220 to UV */
4221#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4222#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4223#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4224#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4225#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4226
4227#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4228
53305cf1
NC		 4229/* Input flags: */
4230#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4231#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4232#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4233/* Output flags: */
4234#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4235
2c4f7f0e
DM		 4236/* to let user control profiling */
4237#ifdef PERL_GPROF_CONTROL
4238extern void moncontrol(int);
4239#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4240#else
4241#define PERL_GPROF_MONCONTROL(x)
4242#endif
4243
ae0e3d3b
JH		 4244#ifdef UNDER_CE
4245#include "wince.h"
4246#endif
4247
4248/* ISO 6429 NEL - C1 control NExt Line */
4249/* See http://www.unicode.org/unicode/reports/tr13/ */
4250#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4251# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4252# define NEXT_LINE_CHAR 0x15
4253# else /* CDRA */
4254# define NEXT_LINE_CHAR 0x25
4255# endif
4256#else
4257# define NEXT_LINE_CHAR 0x85
4258#endif
4259
4260/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4261#define UNICODE_LINE_SEPA_0 0xE2
4262#define UNICODE_LINE_SEPA_1 0x80
4263#define UNICODE_LINE_SEPA_2 0xA8
4264#define UNICODE_PARA_SEPA_0 0xE2
4265#define UNICODE_PARA_SEPA_1 0x80
4266#define UNICODE_PARA_SEPA_2 0xA9
4267
479b2847
GS		 4268#ifndef PIPESOCK_MODE
4269# define PIPESOCK_MODE
4270#endif
4271
7e8c5dac
HS		 4272#define PERL_MAGIC_UTF8_CACHESIZE 2
4273
a05d7ebb
JH		 4274#define PERL_UNICODE_STDIN_FLAG 0x0001
4275#define PERL_UNICODE_STDOUT_FLAG 0x0002
4276#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4277#define PERL_UNICODE_IN_FLAG 0x0008
4278#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4279#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4280#define PERL_UNICODE_LOCALE_FLAG 0x0040
4281#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4282
06e66572
JH		 4283#define PERL_UNICODE_STD_FLAG \
4284 (PERL_UNICODE_STDIN_FLAG | \
4285 PERL_UNICODE_STDOUT_FLAG | \
4286 PERL_UNICODE_STDERR_FLAG)
4287
4288#define PERL_UNICODE_INOUT_FLAG \
4289 (PERL_UNICODE_IN_FLAG | \
4290 PERL_UNICODE_OUT_FLAG)
4291
4292#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4293 (PERL_UNICODE_STD_FLAG | \
4294 PERL_UNICODE_INOUT_FLAG | \
4295 PERL_UNICODE_LOCALE_FLAG)
4296
4297#define PERL_UNICODE_ALL_FLAGS 0x00ff
4298
4299#define PERL_UNICODE_STDIN 'I'
4300#define PERL_UNICODE_STDOUT 'O'
4301#define PERL_UNICODE_STDERR 'E'
4302#define PERL_UNICODE_STD 'S'
4303#define PERL_UNICODE_IN 'i'
4304#define PERL_UNICODE_OUT 'o'
4305#define PERL_UNICODE_INOUT 'D'
4306#define PERL_UNICODE_ARGV 'A'
4307#define PERL_UNICODE_LOCALE 'L'
4308#define PERL_UNICODE_WIDESYSCALLS 'W'
4309
4ffa73a3
JH		 4310#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4311
16bd9a85
JH		 4312/* From sigaction(2) (FreeBSD man page):
4313 * | Signal routines normally execute with the signal that
4314 * | caused their invocation blocked, but other signals may
4315 * | yet occur.
4316 * Emulation of this behavior (from within Perl) is enabled
4317 * by defining PERL_BLOCK_SIGNALS.
4318 */
4319#define PERL_BLOCK_SIGNALS
4320
4321#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4322# define PERL_BLOCKSIG_ADD(set,sig) \
4323 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4324# define PERL_BLOCKSIG_BLOCK(set) \
4325 sigprocmask(SIG_BLOCK, &(set), NULL)
4326# define PERL_BLOCKSIG_UNBLOCK(set) \
4327 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4328#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4329
4330/* How about the old style of sigblock()? */
4331
4332#ifndef PERL_BLOCKSIG_ADD
4333# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4334#endif
4335#ifndef PERL_BLOCKSIG_BLOCK
4336# define PERL_BLOCKSIG_BLOCK(set) NOOP
4337#endif
2bfba5f0 4338#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4339# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4340#endif
4341
32fdb065 4342/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4343 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4344#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4345
4d8076ea 4346/* and finally... */
cceca5ed 4347#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4348#include "patchlevel.h"
cceca5ed 4349#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4350
43999f95 4351/* Mention
d460ef45 4352
43999f95 4353 NV_PRESERVES_UV
fe749a9f 4354
fe749a9f
JH		 4355 HAS_MKSTEMP
4356 HAS_MKSTEMPS
4357 HAS_MKDTEMP
4358
49dabb45
JH		 4359 HAS_GETCWD
4360
d59b5429 4361 HAS_MMAP
fe749a9f
JH		 4362 HAS_MPROTECT
4363 HAS_MSYNC
1e8c3fde 4364 HAS_MADVISE
fe749a9f
JH		 4365 HAS_MUNMAP
4366 I_SYSMMAN
4367 Mmap_t
4368
6b4667fc
A		 4369 NVef
4370 NVff
4371 NVgf
4372
4e0554ec 4373 HAS_UALARM
2d736872 4374 HAS_USLEEP
4e0554ec
JH		 4375
4376 HAS_SETITIMER
4377 HAS_GETITIMER
4378
4379 HAS_SENDMSG
4380 HAS_RECVMSG
4381 HAS_READV
4382 HAS_WRITEV
4383 I_SYSUIO
4384 HAS_STRUCT_MSGHDR
4385 HAS_STRUCT_CMSGHDR
4386
2765b840 4387 HAS_NL_LANGINFO
0a7020c9 4388
ae0e3d3b 4389 HAS_DIRFD
2765b840 4390
43999f95
JH		 4391 so that Configure picks them up. */
4392
85e6fe83 4393#endif /* Include guard */
ae0e3d3b 4394
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