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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2
JH		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
026fd48b
GH		 68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
10bc17b6
JH		 74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 77# define USE_REENTRANT_API
78#endif
79
ac6bedea
JH		 80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
af28e889 82/*
6239f2da
JH		 83 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
84 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 85 * __bsdi__ for BSD/OS
86 */
6239f2da 87#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 88# ifndef BSDish
89# define BSDish
90# endif
91#endif
92
c5be433b 93#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 94# ifndef MULTIPLICITY
95# define MULTIPLICITY
c5be433b 96# endif
3db8f154
MB		 97# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
98# define aTHX my_perl
99# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 100# define dTHX pTHX = PERL_GET_THX
c5be433b 101# define pTHX_ pTHX,
c5be433b 102# define aTHX_ aTHX,
894356b3
GS		 103# define pTHX_1 2
104# define pTHX_2 3
105# define pTHX_3 4
106# define pTHX_4 5
c5be433b
GS		 107#endif
108
76e3520e
GS		 109#define STATIC static
110#define CPERLscope(x) x
565764a8 111#define CPERLarg void
76e3520e 112#define CPERLarg_
e3b8966e 113#define _CPERLarg
1d583055
GS		 114#define PERL_OBJECT_THIS
115#define _PERL_OBJECT_THIS
116#define PERL_OBJECT_THIS_
312caa8e 117#define CALL_FPTR(fptr) (*fptr)
76e3520e 118
312caa8e
CS		 119#define CALLRUNOPS CALL_FPTR(PL_runops)
120#define CALLREGCOMP CALL_FPTR(PL_regcompp)
121#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 122#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
123#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
124#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 125
126#ifdef PERL_FLEXIBLE_EXCEPTIONS
127# define CALLPROTECT CALL_FPTR(PL_protect)
128#endif
312caa8e 129
44dbb695 130#ifdef HASATTRIBUTE
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
d6f9c181
JH		 250#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
251# define BYTEORDER 0x1234
79072805
LW		 252#endif
253
254/* Overall memory policy? */
255#ifndef CONSERVATIVE
256# define LIBERAL 1
257#endif
258
8ada0baa
JH		 259#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
260#define ASCIIish
261#else
262#undef ASCIIish
263#endif
264
79072805
LW		 265/*
266 * The following contortions are brought to you on behalf of all the
267 * standards, semi-standards, de facto standards, not-so-de-facto standards
268 * of the world, as well as all the other botches anyone ever thought of.
269 * The basic theory is that if we work hard enough here, the rest of the
270 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
271 */
ac58e20f 272
ee0007ab 273/* define this once if either system, instead of cluttering up the src */
2986a63f 274#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 275#define DOSISH 1
276#endif
277
2986a63f 278#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 279# define STANDARD_C 1
280#endif
281
a03dbf46 282#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 283# define DONT_DECLARE_STD 1
284#endif
285
352d5a3a 286#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 287# ifdef __cplusplus
cb69f87a 288# define VOL /* to temporarily suppress warnings */
79072805
LW		 289# else
290# define VOL volatile
291# endif
663a0e37 292#else
79072805 293# define VOL
663a0e37
LW		 294#endif
295
3280af22
NIS		 296#define TAINT (PL_tainted = TRUE)
297#define TAINT_NOT (PL_tainted = FALSE)
298#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
299#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 300#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 301
d460ef45 302/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 303 defines move there? If so, I could simplify this a lot. --AD 9/96.
304*/
305/* Process group stuff changed from traditional BSD to POSIX.
306 perlfunc.pod documents the traditional BSD-style syntax, so we'll
307 try to preserve that, if possible.
308*/
309#ifdef HAS_SETPGID
310# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 311#else
a6e633de 312# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
313# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
314# else
315# ifdef HAS_SETPGRP2 /* DG/UX */
316# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
317# endif
318# endif
319#endif
320#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
321# define HAS_SETPGRP /* Well, effectively it does . . . */
322#endif
323
324/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
325 our life easier :-) so we'll try it.
326*/
327#ifdef HAS_GETPGID
328# define BSD_GETPGRP(pid) getpgid((pid))
329#else
330# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
331# define BSD_GETPGRP(pid) getpgrp((pid))
332# else
333# ifdef HAS_GETPGRP2 /* DG/UX */
334# define BSD_GETPGRP(pid) getpgrp2((pid))
335# endif
336# endif
337#endif
338#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
339# define HAS_GETPGRP /* Well, effectively it does . . . */
340#endif
341
d460ef45 342/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 343 have different behaviors, but perl.h used to define USE_BSDPGRP
344 (prior to 5.003_05) so some extension might depend on it.
345*/
346#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
347# ifndef USE_BSDPGRP
348# define USE_BSDPGRP
349# endif
663a0e37
LW		 350#endif
351
8ac5a1fe
MH		 352/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
353 pthread.h must be included before all other header files.
354*/
3db8f154 355#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 356# include <pthread.h>
357#endif
358
760ac839
LW		 359#ifndef _TYPES_ /* If types.h defines this it's easy. */
360# ifndef major /* Does everyone's types.h define this? */
361# include <sys/types.h>
c07a80fd 362# endif
663a0e37
LW		 363#endif
364
760ac839
LW		 365#ifdef __cplusplus
366# ifndef I_STDARG
367# define I_STDARG 1
368# endif
369#endif
370
371#ifdef I_STDARG
372# include <stdarg.h>
373#else
374# ifdef I_VARARGS
375# include <varargs.h>
376# endif
377#endif
378
4633a7c4 379#ifdef USE_NEXT_CTYPE
0c30d9ec 380
092bebab
JH		 381#if NX_CURRENT_COMPILER_RELEASE >= 500
382# include <bsd/ctypes.h>
383#else
384# if NX_CURRENT_COMPILER_RELEASE >= 400
385# include <objc/NXCType.h>
386# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
387# include <appkit/NXCType.h>
388# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
389#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 390
391#else /* !USE_NEXT_CTYPE */
fe14fcc3 392#include <ctype.h>
0c30d9ec 393#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 394
395#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
396#undef METHOD
a0d0e21e
LW		 397#endif
398
12ae5dfc
JH		 399#ifdef PERL_MICRO
400# define NO_LOCALE
401#endif
402
4633a7c4 403#ifdef I_LOCALE
36477c24 404# include <locale.h>
4633a7c4
LW		 405#endif
406
36477c24 407#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
408# define USE_LOCALE
409# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
410 && defined(HAS_STRXFRM)
411# define USE_LOCALE_COLLATE
412# endif
413# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
414# define USE_LOCALE_CTYPE
415# endif
416# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
417# define USE_LOCALE_NUMERIC
418# endif
419#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 420
fe14fcc3 421#include <setjmp.h>
79072805 422
a0d0e21e 423#ifdef I_SYS_PARAM
79072805
LW		 424# ifdef PARAM_NEEDS_TYPES
425# include <sys/types.h>
426# endif
427# include <sys/param.h>
352d5a3a 428#endif
79072805 429
79072805 430/* Use all the "standard" definitions? */
a0d0e21e 431#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 432# include <stdlib.h>
ff68c719 433#endif
03a14243 434
3f270f98
JH		 435/* If this causes problems, set i_unistd=undef in the hint file. */
436#ifdef I_UNISTD
437# include <unistd.h>
438#endif
439
7114a2d2 440#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 441int syscall(int, ...);
442#endif
443
7114a2d2 444#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 445int usleep(unsigned int);
2ef53570
JH		 446#endif
447
9a34ef1d
GS		 448#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
449# define MYSWAP
450#endif
451
66a93824
NIS		 452/* Cannot include embed.h here on Win32 as win32.h has not
453 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
454 */
96e176bf 455#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 456# include "embed.h"
457#endif
458
c31fac66
GS		 459#define MEM_SIZE Size_t
460
51371543
GS		 461#if defined(STANDARD_C) && defined(I_STDDEF)
462# include <stddef.h>
463# define STRUCT_OFFSET(s,m) offsetof(s,m)
464#else
465# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
466#endif
467
468#if defined(I_STRING) || defined(__cplusplus)
469# include <string.h>
470#else
471# include <strings.h>
472#endif
473
55497cff 474/* This comes after <stdlib.h> so we don't try to change the standard
475 * library prototypes; we'll use our own in proto.h instead. */
03a14243 476
4633a7c4 477#ifdef MYMALLOC
86058a2d 478# ifdef PERL_POLLUTE_MALLOC
ee13e175 479# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 480# define Perl_malloc malloc
481# define Perl_calloc calloc
482# define Perl_realloc realloc
483# define Perl_mfree free
ee13e175 484# endif
86058a2d
GS		 485# else
486# define EMBEDMYMALLOC /* for compatibility */
487# endif
827e134a 488
651b9576
GS		 489# define safemalloc Perl_malloc
490# define safecalloc Perl_calloc
491# define saferealloc Perl_realloc
492# define safefree Perl_mfree
22f7c9c9
JH		 493# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
494 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
495 code; \
496 } STMT_END
497# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
498 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
499# define panic_write2(s) write(2, s, strlen(s))
500# define CHECK_MALLOC_TAINT(newval) \
501 CHECK_MALLOC_TOO_LATE_FOR_( \
502 if (newval) { \
503 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
504 exit(1); })
22f7c9c9 505# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 506 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 507 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
508 }} STMT_END;
f2517201
GS		 509#else /* MYMALLOC */
510# define safemalloc safesysmalloc
511# define safecalloc safesyscalloc
512# define saferealloc safesysrealloc
513# define safefree safesysfree
22f7c9c9
JH		 514# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
515# define CHECK_MALLOC_TAINT(newval) ((void)0)
516# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 517#endif /* MYMALLOC */
4633a7c4 518
22f7c9c9
JH		 519#define TOO_LATE_FOR_(ch,s) Perl_croak(aTHX_ "Too late for \"-%c\" option%s", (char)(ch), s)
520#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
521#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
522#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
523
a0d0e21e
LW		 524#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
525#define strchr index
526#define strrchr rindex
527#endif
528
16d20bd9
AD		 529#ifdef I_MEMORY
530# include <memory.h>
531#endif
532
fe14fcc3 533#ifdef HAS_MEMCPY
85e6fe83 534# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 535# ifndef memcpy
20ce7b12 536 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 537# endif
538# endif
539#else
540# ifndef memcpy
541# ifdef HAS_BCOPY
542# define memcpy(d,s,l) bcopy(s,d,l)
543# else
544# define memcpy(d,s,l) my_bcopy(s,d,l)
545# endif
546# endif
547#endif /* HAS_MEMCPY */
fe14fcc3 548
ee0007ab 549#ifdef HAS_MEMSET
85e6fe83 550# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 551# ifndef memset
20ce7b12 552 extern char *memset (char*, int, int);
ee0007ab
LW		 553# endif
554# endif
ee0007ab 555#else
12ae5dfc 556# undef memset
fc36a67e 557# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 558#endif /* HAS_MEMSET */
559
85e6fe83 560#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 561# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 562# define memmove(d,s,l) bcopy(s,d,l)
563# else
2304df62 564# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 565# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 566# else
79072805 567# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 568# endif
352d5a3a 569# endif
d9d8d8de 570#endif
ee0007ab 571
36477c24 572#if defined(mips) && defined(ultrix) && !defined(__STDC__)
573# undef HAS_MEMCMP
574#endif
575
576#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 577# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 578# ifndef memcmp
20ce7b12 579 extern int memcmp (char*, char*, int);
ee0007ab
LW		 580# endif
581# endif
36477c24 582# ifdef BUGGY_MSC
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
2f42fcb0 603#ifndef PERL_MICRO
0f27ced1
JH		 604#ifndef memchr
605# ifndef HAS_MEMCHR
606# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
607# endif
608#endif
2f42fcb0 609#endif
0f27ced1 610
36477c24 611#ifndef HAS_BCMP
612# ifndef bcmp
613# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 614# endif
36477c24 615#endif /* !HAS_BCMP */
378cc40b 616
ae986130 617#ifdef I_NETINET_IN
79072805 618# include <netinet/in.h>
ae986130
LW		 619#endif
620
28e8609d
JH		 621#ifdef I_ARPA_INET
622# include <arpa/inet.h>
623#endif
624
84902520
TB		 625#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
626/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
627 * (the neo-BSD seem to do this). */
628# undef SF_APPEND
629#endif
630
1aef975c 631#ifdef I_SYS_STAT
84902520 632# include <sys/stat.h>
1aef975c 633#endif
79072805 634
a0d0e21e
LW		 635/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
636 like UTekV) are broken, sometimes giving false positives. Undefine
637 them here and let the code below set them to proper values.
638
639 The ghs macro stands for GreenHills Software C-1.8.5 which
640 is the C compiler for sysV88 and the various derivatives.
641 This header file bug is corrected in gcc-2.5.8 and later versions.
642 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
643
644#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 645# undef S_ISDIR
646# undef S_ISCHR
647# undef S_ISBLK
648# undef S_ISREG
649# undef S_ISFIFO
650# undef S_ISLNK
ee0007ab 651#endif
135863df 652
663a0e37
LW		 653#ifdef I_TIME
654# include <time.h>
ffed7fef 655#endif
663a0e37 656
fe14fcc3 657#ifdef I_SYS_TIME
85e6fe83 658# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 659# define KERNEL
660# endif
661# include <sys/time.h>
85e6fe83 662# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 663# undef KERNEL
664# endif
a687059c 665#endif
135863df 666
55497cff 667#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 668# include <sys/times.h>
d9d8d8de 669#endif
8d063cd8 670
fe14fcc3 671#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 672# undef HAS_STRERROR
663a0e37
LW		 673#endif
674
675#include <errno.h>
1e743fda 676
acfe0abc 677#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 678# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
679#endif
680
8cfab5ff
JH		 681/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
682 * This is important for using IPv6.
683 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
684 * a bad idea since it breaks send() and recv(). */
685#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
686# define _SOCKADDR_LEN
687#endif
688
8d3f517a 689#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 690# include <sys/socket.h>
691# if defined(USE_SOCKS) && defined(I_SOCKS)
692# if !defined(INCLUDE_PROTOTYPES)
693# define INCLUDE_PROTOTYPES /* for <socks.h> */
694# define PERL_SOCKS_NEED_PROTOTYPES
695# endif
696# include <socks.h>
697# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
698# undef INCLUDE_PROTOTYPES
699# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 700# endif
d460ef45 701# endif
1e743fda 702# ifdef I_NETDB
2986a63f
JH		 703# ifdef NETWARE
704# include<stdio.h>
705# endif
1e743fda
JH		 706# include <netdb.h>
707# endif
708# ifndef ENOTSOCK
709# ifdef I_NET_ERRNO
710# include <net/errno.h>
711# endif
712# endif
713#endif
714
fa0a29af 715/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 716 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
717 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 718#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 719# if defined(__THROW) && defined(__GLIBC__)
720int sockatmark(int) __THROW;
721# else
2ef53570 722int sockatmark(int);
29820b6d 723# endif
2ef53570
JH		 724#endif
725
1e743fda
JH		 726#ifdef SETERRNO
727# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 728#endif
f86702cc 729
730#ifdef VMS
731# define SETERRNO(errcode,vmserrcode) \
732 STMT_START { \
733 set_errno(errcode); \
734 set_vaxc_errno(vmserrcode); \
735 } STMT_END
93189314
JH		 736# define LIB_INVARG LIB$_INVARG
737# define RMS_DIR RMS$_DIR
738# define RMS_FAC RMS$_FAC
739# define RMS_FEX RMS$_FEX
740# define RMS_FNF RMS$_FNF
741# define RMS_IFI RMS$_IFI
742# define RMS_ISI RMS$_ISI
743# define RMS_PRV RMS$_PRV
744# define SS_ACCVIO SS$_ACCVIO
745# define SS_DEVOFFLINE SS$_DEVOFFLINE
746# define SS_IVCHAN SS$_IVCHAN
747# define SS_NORMAL SS$_NORMAL
748a9306 748#else
aba27d88 749# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 750# define LIB_INVARG 0
751# define RMS_DIR 0
752# define RMS_FAC 0
753# define RMS_FEX 0
754# define RMS_FNF 0
755# define RMS_IFI 0
756# define RMS_ISI 0
757# define RMS_PRV 0
758# define SS_ACCVIO 0
759# define SS_DEVOFFLINE 0
760# define SS_IVCHAN 0
761# define SS_NORMAL 0
748a9306 762#endif
ed6116ce 763
3db8f154
MB		 764#define ERRSV GvSV(PL_errgv)
765#define DEFSV GvSV(PL_defgv)
766#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 767
98eae8f5
GS		 768#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
769
55497cff 770#ifndef errno
5ff3f7a4
GS		 771 extern int errno; /* ANSI allows errno to be an lvalue expr.
772 * For example in multithreaded environments
773 * something like this might happen:
774 * extern int *_errno(void);
775 * #define errno (*_errno()) */
d9d8d8de 776#endif
663a0e37 777
2304df62 778#ifdef HAS_STRERROR
a0d0e21e 779# ifdef VMS
20ce7b12 780 char *strerror (int,...);
a0d0e21e 781# else
68dc0745 782#ifndef DONT_DECLARE_STD
20ce7b12 783 char *strerror (int);
68dc0745 784#endif
a0d0e21e 785# endif
2304df62
AD		 786# ifndef Strerror
787# define Strerror strerror
788# endif
789#else
790# ifdef HAS_SYS_ERRLIST
79072805
LW		 791 extern int sys_nerr;
792 extern char *sys_errlist[];
2304df62
AD		 793# ifndef Strerror
794# define Strerror(e) \
79072805 795 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 796# endif
79072805 797# endif
35c8bce7 798#endif
663a0e37 799
2304df62 800#ifdef I_SYS_IOCTL
79072805
LW		 801# ifndef _IOCTL_
802# include <sys/ioctl.h>
803# endif
a687059c
LW		 804#endif
805
ee0007ab 806#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 807# ifdef HAS_SOCKETPAIR
808# undef HAS_SOCKETPAIR
809# endif
2304df62
AD		 810# ifdef I_NDBM
811# undef I_NDBM
79072805 812# endif
a687059c
LW		 813#endif
814
02fc2eee
NC		 815#ifndef HAS_SOCKETPAIR
816# ifdef HAS_SOCKET
817# define socketpair Perl_my_socketpair
818# endif
819#endif
820
a687059c 821#if INTSIZE == 2
79072805
LW		 822# define htoni htons
823# define ntohi ntohs
a687059c 824#else
79072805
LW		 825# define htoni htonl
826# define ntohi ntohl
a687059c
LW		 827#endif
828
a0d0e21e 829/* Configure already sets Direntry_t */
35c8bce7 830#if defined(I_DIRENT)
663a0e37 831# include <dirent.h>
8f1f23e8
W		 832 /* NeXT needs dirent + sys/dir.h */
833# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 834# include <sys/dir.h>
835# endif
ae986130 836#else
fe14fcc3 837# ifdef I_SYS_NDIR
79a0689e 838# include <sys/ndir.h>
663a0e37 839# else
fe14fcc3 840# ifdef I_SYS_DIR
79a0689e
LW		 841# ifdef hp9000s500
842# include <ndir.h> /* may be wrong in the future */
843# else
844# include <sys/dir.h>
845# endif
663a0e37
LW		 846# endif
847# endif
4633a7c4 848#endif
a687059c 849
12ae5dfc
JH		 850#ifdef PERL_MICRO
851# ifndef DIR
852# define DIR void
853# endif
854#endif
855
352d5a3a
LW		 856#ifdef FPUTS_BOTCH
857/* work around botch in SunOS 4.0.1 and 4.0.2 */
858# ifndef fputs
79072805 859# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 860# endif
861#endif
862
c623bd54
LW		 863/*
864 * The following gobbledygook brought to you on behalf of __STDC__.
865 * (I could just use #ifndef __STDC__, but this is more bulletproof
866 * in the face of half-implementations.)
867 */
868
7114a2d2 869#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 870#include <sys/mode.h>
871#endif
872
c623bd54
LW		 873#ifndef S_IFMT
874# ifdef _S_IFMT
875# define S_IFMT _S_IFMT
876# else
877# define S_IFMT 0170000
878# endif
879#endif
880
881#ifndef S_ISDIR
882# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
883#endif
884
885#ifndef S_ISCHR
886# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
887#endif
888
889#ifndef S_ISBLK
fe14fcc3
LW		 890# ifdef S_IFBLK
891# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
892# else
893# define S_ISBLK(m) (0)
894# endif
c623bd54
LW		 895#endif
896
897#ifndef S_ISREG
898# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
899#endif
900
901#ifndef S_ISFIFO
fe14fcc3
LW		 902# ifdef S_IFIFO
903# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
904# else
905# define S_ISFIFO(m) (0)
906# endif
c623bd54
LW		 907#endif
908
909#ifndef S_ISLNK
910# ifdef _S_ISLNK
911# define S_ISLNK(m) _S_ISLNK(m)
912# else
913# ifdef _S_IFLNK
914# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
915# else
916# ifdef S_IFLNK
917# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
918# else
919# define S_ISLNK(m) (0)
920# endif
921# endif
922# endif
923#endif
924
925#ifndef S_ISSOCK
926# ifdef _S_ISSOCK
927# define S_ISSOCK(m) _S_ISSOCK(m)
928# else
929# ifdef _S_IFSOCK
930# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
931# else
932# ifdef S_IFSOCK
933# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
934# else
935# define S_ISSOCK(m) (0)
936# endif
937# endif
938# endif
939#endif
940
941#ifndef S_IRUSR
942# ifdef S_IREAD
943# define S_IRUSR S_IREAD
944# define S_IWUSR S_IWRITE
945# define S_IXUSR S_IEXEC
946# else
947# define S_IRUSR 0400
948# define S_IWUSR 0200
949# define S_IXUSR 0100
950# endif
fac7cdfc
JS		 951#endif
952
953#ifndef S_IRGRP
954# ifdef S_IRUSR
955# define S_IRGRP (S_IRUSR>>3)
956# define S_IWGRP (S_IWUSR>>3)
957# define S_IXGRP (S_IXUSR>>3)
958# else
959# define S_IRGRP 0040
960# define S_IWGRP 0020
961# define S_IXGRP 0010
962# endif
963#endif
964
965#ifndef S_IROTH
966# ifdef S_IRUSR
967# define S_IROTH (S_IRUSR>>6)
968# define S_IWOTH (S_IWUSR>>6)
969# define S_IXOTH (S_IXUSR>>6)
970# else
971# define S_IROTH 0040
972# define S_IWOTH 0020
973# define S_IXOTH 0010
974# endif
c623bd54
LW		 975#endif
976
977#ifndef S_ISUID
978# define S_ISUID 04000
979#endif
980
981#ifndef S_ISGID
982# define S_ISGID 02000
983#endif
984
ca6e1c26
JH		 985#ifndef S_IRWXU
986# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 987#endif
ca6e1c26
JH		 988
989#ifndef S_IRWXG
990# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 991#endif
ca6e1c26
JH		 992
993#ifndef S_IRWXO
994# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 995#endif
ca6e1c26 996
c21fb2b8
JH		 997/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
998 * which would get included through <sys/file.h >, but that is 3000
999 * lines in the future. --jhi */
1000
1001#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1002# define S_IREAD S_IRUSR
1003#endif
1004
c21fb2b8 1005#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1006# define S_IWRITE S_IWUSR
1007#endif
1008
1009#ifndef S_IEXEC
1010# define S_IEXEC S_IXUSR
1011#endif
1012
79072805
LW		 1013#ifdef ff_next
1014# undef ff_next
352d5a3a
LW		 1015#endif
1016
a0d0e21e 1017#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1018# define SLOPPYDIVIDE
1019#endif
1020
748a9306
LW		 1021#ifdef UV
1022#undef UV
1023#endif
1024
c89df6bf
JH		 1025#ifdef SPRINTF_E_BUG
1026# define sprintf UTS_sprintf_wrap
1027#endif
1028
c495e728
JH		 1029/* Configure gets this right but the UTS compiler gets it wrong.
1030 -- Hal Morris <hom00@utsglobal.com> */
1031#ifdef UTS
1032# undef UVTYPE
1033# define UVTYPE unsigned
1034#endif
1035
05f13f53 1036/*
27d4fb96 1037 The IV type is supposed to be long enough to hold any integral
1038 value or a pointer.
1039 --Andy Dougherty August 1996
1040*/
1041
a22e52b9
JH		 1042typedef IVTYPE IV;
1043typedef UVTYPE UV;
8175356b 1044
10cc9d2a 1045#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1046# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1047# define IV_MAX INT64_MAX
1048# define IV_MIN INT64_MIN
1049# define UV_MAX UINT64_MAX
cae7ae48
JH		 1050# ifndef UINT64_MIN
1051# define UINT64_MIN 0
1052# endif
5ff3f7a4
GS		 1053# define UV_MIN UINT64_MIN
1054# else
1055# define IV_MAX PERL_QUAD_MAX
1056# define IV_MIN PERL_QUAD_MIN
1057# define UV_MAX PERL_UQUAD_MAX
1058# define UV_MIN PERL_UQUAD_MIN
1059# endif
cf2093f6
JH		 1060# define IV_IS_QUAD
1061# define UV_IS_QUAD
79072805 1062#else
8175356b 1063# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1064# define IV_MAX INT32_MAX
1065# define IV_MIN INT32_MIN
716026f9
DL		 1066# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1067# define UV_MAX UINT32_MAX
1068# else
1069# define UV_MAX 4294967295U
1070# endif
cae7ae48
JH		 1071# ifndef UINT32_MIN
1072# define UINT32_MIN 0
1073# endif
5ff3f7a4
GS		 1074# define UV_MIN UINT32_MIN
1075# else
1076# define IV_MAX PERL_LONG_MAX
1077# define IV_MIN PERL_LONG_MIN
1078# define UV_MAX PERL_ULONG_MAX
1079# define UV_MIN PERL_ULONG_MIN
1080# endif
8175356b 1081# if IVSIZE == 8
cf2093f6
JH		 1082# define IV_IS_QUAD
1083# define UV_IS_QUAD
de1c2614
JH		 1084# ifndef HAS_QUAD
1085# define HAS_QUAD
1086# endif
cf2093f6
JH		 1087# else
1088# undef IV_IS_QUAD
1089# undef UV_IS_QUAD
de1c2614 1090# undef HAS_QUAD
cf2093f6 1091# endif
79072805 1092#endif
d7d93a81 1093
6cde8aec 1094#if defined(uts) || defined(UTS)
11afe549
HM		 1095# undef UV_MAX
1096# define UV_MAX (4294967295u)
20601011
JH		 1097#endif
1098
cae7ae48 1099#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1100#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1101
28e5dec8 1102#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1103#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1104#endif
1105
d460ef45 1106/*
26bb67e2
JH		 1107 * The macros INT2PTR and NUM2PTR are (despite their names)
1108 * bi-directional: they will convert int/float to or from pointers.
1109 * However the conversion to int/float are named explicitly:
1110 * PTR2IV, PTR2UV, PTR2NV.
1111 *
1112 * For int conversions we do not need two casts if pointers are
1113 * the same size as IV and UV. Otherwise we need an explicit
1114 * cast (PTRV) to avoid compiler warnings.
1115 */
56431972
RB		 1116#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1117# define PTRV UV
1118# define INT2PTR(any,d) (any)(d)
1119#else
d460ef45 1120# if PTRSIZE == LONGSIZE
56431972 1121# define PTRV unsigned long
42718184 1122# else
56431972 1123# define PTRV unsigned
42718184 1124# endif
56431972 1125# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1126#endif
56431972
RB		 1127#define NUM2PTR(any,d) (any)(PTRV)(d)
1128#define PTR2IV(p) INT2PTR(IV,p)
1129#define PTR2UV(p) INT2PTR(UV,p)
1130#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1131#if PTRSIZE == LONGSIZE
d2560b70
RB		 1132# define PTR2ul(p) (unsigned long)(p)
1133#else
1134# define PTR2ul(p) INT2PTR(unsigned long,p)
1135#endif
d460ef45 1136
65202027 1137#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1138# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1139# define LONG_DOUBLE_EQUALS_DOUBLE
1140# endif
68d4903c 1141# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1142# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1143# endif
1144#endif
1145
2d4389e4
JH		 1146#ifdef OVR_DBL_DIG
1147/* Use an overridden DBL_DIG */
1148# ifdef DBL_DIG
1149# undef DBL_DIG
1150# endif
1151# define DBL_DIG OVR_DBL_DIG
1152#else
1153/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1154 default value for printing floating point numbers in Gconvert
1155 (see config.h). (It also has other uses, such as figuring out if
1156 a given precision of printing can be done with a double instead of
1157 a long double - Allen).
2d4389e4
JH		 1158*/
1159#ifdef I_LIMITS
1160#include <limits.h>
1161#endif
1162#ifdef I_FLOAT
1163#include <float.h>
1164#endif
1165#ifndef HAS_DBL_DIG
1166#define DBL_DIG 15 /* A guess that works lots of places */
1167#endif
1168#endif
cbca01e1
JH		 1169#ifdef I_FLOAT
1170#include <float.h>
1171#endif
1172#ifndef HAS_DBL_DIG
1173#define DBL_DIG 15 /* A guess that works lots of places */
1174#endif
2d4389e4
JH		 1175
1176#ifdef OVR_LDBL_DIG
1177/* Use an overridden LDBL_DIG */
1178# ifdef LDBL_DIG
1179# undef LDBL_DIG
1180# endif
1181# define LDBL_DIG OVR_LDBL_DIG
1182#else
1183/* The following is all to get LDBL_DIG, in order to pick a nice
1184 default value for printing floating point numbers in Gconvert.
1185 (see config.h)
1186*/
68d4903c
JH		 1187# ifdef I_LIMITS
1188# include <limits.h>
1189# endif
1190# ifdef I_FLOAT
1191# include <float.h>
1192# endif
1193# ifndef HAS_LDBL_DIG
1194# if LONG_DOUBLESIZE == 10
1195# define LDBL_DIG 18 /* assume IEEE */
1196# else
1197# if LONG_DOUBLESIZE == 12
1198# define LDBL_DIG 18 /* gcc? */
1199# else
1200# if LONG_DOUBLESIZE == 16
1201# define LDBL_DIG 33 /* assume IEEE */
1202# else
1203# if LONG_DOUBLESIZE == DOUBLESIZE
1204# define LDBL_DIG DBL_DIG /* bummer */
1205# endif
1206# endif
1207# endif
1208# endif
1209# endif
2d4389e4
JH		 1210#endif
1211
20f6aaab
AS		 1212/*
1213 * This is for making sure we have a good DBL_MAX value, if possible,
1214 * either for usage as NV_MAX or for usage in figuring out if we can
1215 * fit a given long double into a double, if bug-fixing makes it
1216 * necessary to do so. - Allen <allens@cpan.org>
1217 */
1218
205f51d8
AS		 1219#ifdef I_LIMITS
1220# include <limits.h>
20f6aaab
AS		 1221#endif
1222
205f51d8
AS		 1223#ifdef I_VALUES
1224# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1225# include <values.h>
1226# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1227# define DBL_MAX MAXDOUBLE
1228# endif
1229# if defined(MINDOUBLE) && !defined(DBL_MIN)
1230# define DBL_MIN MINDOUBLE
1231# endif
1232# endif
1233#endif /* defined(I_VALUES) */
1234
a22e52b9 1235typedef NVTYPE NV;
8175356b 1236
792d8dab
JH		 1237#ifdef I_IEEEFP
1238# include <ieeefp.h>
1239#endif
923fc586 1240
65202027 1241#ifdef USE_LONG_DOUBLE
923fc586
JH		 1242# ifdef I_SUNMATH
1243# include <sunmath.h>
1244# endif
2d4389e4 1245# define NV_DIG LDBL_DIG
d6c14000
JH		 1246# ifdef LDBL_MANT_DIG
1247# define NV_MANT_DIG LDBL_MANT_DIG
1248# endif
06fc1729
JH		 1249# ifdef LDBL_MIN
1250# define NV_MIN LDBL_MIN
1251# endif
1252# ifdef LDBL_MAX
1253# define NV_MAX LDBL_MAX
1254# endif
1255# ifdef LDBL_MIN_10_EXP
1256# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1257# endif
1258# ifdef LDBL_MAX_10_EXP
1259# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1260# endif
1261# ifdef LDBL_EPSILON
1262# define NV_EPSILON LDBL_EPSILON
1263# endif
f4a14a62
JH		 1264# ifdef LDBL_MAX
1265# define NV_MAX LDBL_MAX
20f6aaab 1266/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1267# else
1268# ifdef HUGE_VALL
1269# define NV_MAX HUGE_VALL
1270# else
1271# ifdef HUGE_VAL
1272# define NV_MAX ((NV)HUGE_VAL)
1273# endif
1274# endif
1275# endif
68d4903c 1276# ifdef HAS_SQRTL
68d4903c
JH		 1277# define Perl_cos cosl
1278# define Perl_sin sinl
1279# define Perl_sqrt sqrtl
1280# define Perl_exp expl
1281# define Perl_log logl
1282# define Perl_atan2 atan2l
1283# define Perl_pow powl
1284# define Perl_floor floorl
1285# define Perl_fmod fmodl
1286# endif
a3540c92
JH		 1287/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1288# ifdef HAS_MODFL
1289# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1290/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1291 prototype in <math.h> */
1292# ifndef HAS_MODFL_PROTO
1293long double modfl(long double, long double *);
1294# endif
03476e8e
JH		 1295# else
1296# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1297 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1298# define Perl_modf(x,y) Perl_my_modfl(x,y)
1299# endif
a3540c92
JH		 1300# endif
1301# ifdef HAS_FREXPL
dff3e0b8 1302# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1303# else
1304# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1305 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1306# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1307# endif
a3540c92 1308# endif
38dbb4c5 1309# ifndef Perl_isnan
758a5d79
JH		 1310# ifdef HAS_ISNANL
1311# define Perl_isnan(x) isnanl(x)
1312# endif
1313# endif
1314# ifndef Perl_isinf
1315# ifdef HAS_FINITEL
1316# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1317# endif
1318# endif
65202027 1319#else
2d4389e4 1320# define NV_DIG DBL_DIG
d6c14000
JH		 1321# ifdef DBL_MANT_DIG
1322# define NV_MANT_DIG DBL_MANT_DIG
1323# endif
06fc1729
JH		 1324# ifdef DBL_MIN
1325# define NV_MIN DBL_MIN
1326# endif
1327# ifdef DBL_MAX
1328# define NV_MAX DBL_MAX
1329# endif
1330# ifdef DBL_MIN_10_EXP
1331# define NV_MIN_10_EXP DBL_MIN_10_EXP
1332# endif
1333# ifdef DBL_MAX_10_EXP
1334# define NV_MAX_10_EXP DBL_MAX_10_EXP
1335# endif
1336# ifdef DBL_EPSILON
1337# define NV_EPSILON DBL_EPSILON
1338# endif
205f51d8 1339# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1340# define NV_MAX DBL_MAX
1341# define NV_MIN DBL_MIN
1342# else
1343# ifdef HUGE_VAL
1344# define NV_MAX HUGE_VAL
1345# endif
1346# endif
65202027
DS		 1347# define Perl_cos cos
1348# define Perl_sin sin
1349# define Perl_sqrt sqrt
1350# define Perl_exp exp
1351# define Perl_log log
1352# define Perl_atan2 atan2
1353# define Perl_pow pow
1354# define Perl_floor floor
65202027 1355# define Perl_fmod fmod
a3540c92 1356# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1357# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1358#endif
1359
1360/* rumor has it that Win32 has _fpclass() */
1361
205f51d8
AS		 1362/* SGI has fpclassl... but not with the same result values,
1363 * and it's via a typedef (not via #define), so will need to redo Configure
1364 * to use. Not worth the trouble, IMO, at least until the below is used
1365 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1366 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1367 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1368
758a5d79
JH		 1369#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1370# ifdef I_IEEFP
1371# include <ieeefp.h>
1372# endif
1373# ifdef I_FP
1374# include <fp.h>
1375# endif
1376# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1377# define Perl_fp_class() fpclassl(x)
1378# else
1379# define Perl_fp_class() fpclass(x)
1380# endif
1381# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1382# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1383# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1384# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1385# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1386# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1387# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1388# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1389# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1390# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1391# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1392# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1393# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1394# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1395# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1396#endif
1397
7114a2d2 1398#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1399# include <math.h>
1400# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1401# include <fp_class.h>
1402# endif
1403# define Perl_fp_class(x) fp_class(x)
1404# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1405# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1406# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1407# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1408# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1409# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1410# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1411# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1412# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1413# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1414# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1415# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1416# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1417# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1418# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1419#endif
1420
1421#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1422# include <math.h>
1423# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1424# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1425# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1426# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1427# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1428# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1429#endif
1430
1431#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1432# include <math.h>
1433# ifndef _cplusplus
1434# define Perl_fp_class(x) class(x)
1435# else
1436# define Perl_fp_class(x) _class(x)
1437# endif
1438# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1439# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1440# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1441# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1442# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1443# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1444# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1445# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1446# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1447# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1448# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1449# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1450# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1451# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1452# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1453#endif
1454
1455/* rumor has it that Win32 has _isnan() */
1456
1457#ifndef Perl_isnan
a3540c92 1458# ifdef HAS_ISNAN
758a5d79
JH		 1459# define Perl_isnan(x) isnan((NV)x)
1460# else
1461# ifdef Perl_fp_class_nan
1462# define Perl_isnan(x) Perl_fp_class_nan(x)
1463# else
1464# ifdef HAS_UNORDERED
1465# define Perl_isnan(x) unordered((x), 0.0)
1466# else
1467# define Perl_isnan(x) ((x)!=(x))
1468# endif
1469# endif
1470# endif
1471#endif
1472
ca6c63e1
JH		 1473#ifdef UNDER_CE
1474int isnan(double d);
1475#endif
1476
758a5d79
JH		 1477#ifndef Perl_isinf
1478# ifdef HAS_ISINF
1479# define Perl_isinf(x) isinf((NV)x)
a3540c92 1480# else
758a5d79
JH		 1481# ifdef Perl_fp_class_inf
1482# define Perl_isinf(x) Perl_fp_class_inf(x)
1483# else
1484# define Perl_isinf(x) ((x)==NV_INF)
1485# endif
1486# endif
1487#endif
1488
1489#ifndef Perl_isfinite
1490# ifdef HAS_FINITE
1491# define Perl_isfinite(x) finite((NV)x)
1492# else
1493# ifdef HAS_ISFINITE
1494# define Perl_isfinite(x) isfinite(x)
1495# else
1496# ifdef Perl_fp_class_finite
1497# define Perl_isfinite(x) Perl_fp_class_finite(x)
1498# else
1499# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1500# endif
1501# endif
a3540c92 1502# endif
65202027
DS		 1503#endif
1504
a36244b7
JH		 1505/* The default is to use Perl's own atof() implementation (in numeric.c).
1506 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1507 * it is however best to use the native implementation of atof.
1508 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1509 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1510 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1511 * you may need to be using a different function than atof! */
a36244b7
JH		 1512
1513#ifndef USE_PERL_ATOF
1514# ifndef _UNICOS
1515# define USE_PERL_ATOF
1516# endif
1517#else
1518# if USE_PERL_ATOF == 0
1519# undef USE_PERL_ATOF
1520# endif
1521#endif
1522
1523#ifdef USE_PERL_ATOF
1524# define Perl_atof(s) Perl_my_atof(s)
1525# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1526#else
1527# define Perl_atof(s) (NV)atof(s)
1528# define Perl_atof2(s, n) ((n) = atof(s))
1529#endif
cf2093f6 1530
d460ef45 1531/* Previously these definitions used hardcoded figures.
760ac839
LW		 1532 * It is hoped these formula are more portable, although
1533 * no data one way or another is presently known to me.
1534 * The "PERL_" names are used because these calculated constants
1535 * do not meet the ANSI requirements for LONG_MAX, etc., which
1536 * need to be constants acceptable to #if - kja
1537 * define PERL_LONG_MAX 2147483647L
1538 * define PERL_LONG_MIN (-LONG_MAX - 1)
1539 * define PERL ULONG_MAX 4294967295L
1540 */
1541
1542#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1543# include <limits.h>
760ac839 1544#endif
205f51d8
AS		 1545/* Included values.h above if necessary; still including limits.h down here,
1546 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1547
99abf803 1548/*
1549 * Try to figure out max and min values for the integral types. THE CORRECT
1550 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1551 * following hacks are used if neither limits.h or values.h provide them:
1552 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1553 * for types < int: (unsigned TYPE)~(unsigned)0
1554 * The argument to ~ must be unsigned so that later signed->unsigned
1555 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1556 * and it must not be smaller than int because ~ does integral promotion.
1557 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1558 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1559 * The latter is a hack which happens to work on some machines but
1560 * does *not* catch any random system, or things like integer types
1561 * with NaN if that is possible.
1562 *
1563 * All of the types are explicitly cast to prevent accidental loss of
1564 * numeric range, and in the hope that they will be less likely to confuse
1565 * over-eager optimizers.
1566 *
1567 */
27d4fb96 1568
99abf803 1569#define PERL_UCHAR_MIN ((unsigned char)0)
1570
1571#ifdef UCHAR_MAX
1572# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1573#else
99abf803 1574# ifdef MAXUCHAR
1575# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1576# else
99abf803 1577# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1578# endif
1579#endif
d460ef45 1580
99abf803 1581/*
1582 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1583 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1584 * depending on local options. Until Configure detects this (or at least
1585 * detects whether the "signed" keyword is available) the CHAR ranges
1586 * will not be included. UCHAR functions normally.
1587 * - kja
1588 */
27d4fb96 1589
99abf803 1590#define PERL_USHORT_MIN ((unsigned short)0)
1591
1592#ifdef USHORT_MAX
1593# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1594#else
99abf803 1595# ifdef MAXUSHORT
1596# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1597# else
ef2f54b0
CB		 1598# ifdef USHRT_MAX
1599# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1600# else
1601# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1602# endif
27d4fb96 1603# endif
1604#endif
1605
27d4fb96 1606#ifdef SHORT_MAX
99abf803 1607# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1608#else
1609# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1610# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1611# else
ef2f54b0
CB		 1612# ifdef SHRT_MAX
1613# define PERL_SHORT_MAX ((short)SHRT_MAX)
1614# else
1615# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1616# endif
27d4fb96 1617# endif
1618#endif
1619
1620#ifdef SHORT_MIN
99abf803 1621# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1622#else
1623# ifdef MINSHORT
99abf803 1624# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1625# else
ef2f54b0
CB		 1626# ifdef SHRT_MIN
1627# define PERL_SHORT_MIN ((short)SHRT_MIN)
1628# else
1629# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1630# endif
27d4fb96 1631# endif
1632#endif
1633
99abf803 1634#ifdef UINT_MAX
1635# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1636#else
99abf803 1637# ifdef MAXUINT
1638# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1639# else
99abf803 1640# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1641# endif
1642#endif
1643
99abf803 1644#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1645
1646#ifdef INT_MAX
99abf803 1647# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1648#else
1649# ifdef MAXINT /* Often used in <values.h> */
99abf803 1650# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1651# else
99abf803 1652# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1653# endif
1654#endif
1655
1656#ifdef INT_MIN
99abf803 1657# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1658#else
1659# ifdef MININT
99abf803 1660# define PERL_INT_MIN ((int)MININT)
27d4fb96 1661# else
1662# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1663# endif
1664#endif
1665
99abf803 1666#ifdef ULONG_MAX
1667# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1668#else
99abf803 1669# ifdef MAXULONG
1670# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1671# else
99abf803 1672# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1673# endif
1674#endif
1675
99abf803 1676#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1677
760ac839 1678#ifdef LONG_MAX
99abf803 1679# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1680#else
1681# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1682# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1683# else
99abf803 1684# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1685# endif
1686#endif
1687
1688#ifdef LONG_MIN
99abf803 1689# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1690#else
1691# ifdef MINLONG
99abf803 1692# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1693# else
27d4fb96 1694# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1695# endif
1696#endif
1697
d7d93a81 1698#ifdef UV_IS_QUAD
99abf803 1699
99abf803 1700# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1701# define PERL_UQUAD_MIN ((UV)0)
99abf803 1702# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1703# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1704
79072805
LW		 1705#endif
1706
22f7c9c9
JH		 1707#ifdef MYMALLOC
1708# include "malloc_ctl.h"
1709#endif
1710
830247a4 1711struct RExC_state_t;
880b20b6 1712
ee0007ab 1713typedef MEM_SIZE STRLEN;
450a55e4 1714
79072805
LW		 1715typedef struct op OP;
1716typedef struct cop COP;
1717typedef struct unop UNOP;
1718typedef struct binop BINOP;
1719typedef struct listop LISTOP;
1720typedef struct logop LOGOP;
79072805
LW		 1721typedef struct pmop PMOP;
1722typedef struct svop SVOP;
7934575e 1723typedef struct padop PADOP;
79072805 1724typedef struct pvop PVOP;
79072805
LW		 1725typedef struct loop LOOP;
1726
93a17b20 1727typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1728
1729/* Amdahl's <ksync.h> has struct sv */
1730/* SGI's <sys/sema.h> has struct sv */
1731#if defined(UTS) || defined(__sgi)
1732# define STRUCT_SV perl_sv
b8d3c5db
JH		 1733#else
1734# define STRUCT_SV sv
1735#endif
1736typedef struct STRUCT_SV SV;
79072805
LW		 1737typedef struct av AV;
1738typedef struct hv HV;
1739typedef struct cv CV;
378cc40b 1740typedef struct regexp REGEXP;
79072805 1741typedef struct gp GP;
0c30d9ec 1742typedef struct gv GV;
8990e307 1743typedef struct io IO;
c09156bb 1744typedef struct context PERL_CONTEXT;
79072805
LW		 1745typedef struct block BLOCK;
1746
1747typedef struct magic MAGIC;
ed6116ce 1748typedef struct xrv XRV;
79072805
LW		 1749typedef struct xpv XPV;
1750typedef struct xpviv XPVIV;
ff68c719 1751typedef struct xpvuv XPVUV;
79072805
LW		 1752typedef struct xpvnv XPVNV;
1753typedef struct xpvmg XPVMG;
1754typedef struct xpvlv XPVLV;
1755typedef struct xpvav XPVAV;
1756typedef struct xpvhv XPVHV;
1757typedef struct xpvgv XPVGV;
1758typedef struct xpvcv XPVCV;
1759typedef struct xpvbm XPVBM;
1760typedef struct xpvfm XPVFM;
8990e307 1761typedef struct xpvio XPVIO;
79072805
LW		 1762typedef struct mgvtbl MGVTBL;
1763typedef union any ANY;
5f7fde29
GS		 1764typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1765typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1766typedef struct clone_params CLONE_PARAMS;
1767
8d063cd8 1768
378cc40b 1769#include "handy.h"
a0d0e21e 1770
6b8eaf93 1771#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1772# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1773# define USE_64_BIT_RAWIO /* implicit */
1774# endif
4564133c
JH		 1775#endif
1776
6b8eaf93
JH		 1777/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1778 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1779 * however, because operating systems like to do that themself. */
1780#ifndef FSEEKSIZE
1781# ifdef HAS_FSEEKO
1782# define FSEEKSIZE LSEEKSIZE
1783# else
1784# define FSEEKSIZE LONGSIZE
d460ef45 1785# endif
6b8eaf93
JH		 1786#endif
1787
1788#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1789# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1790# define USE_64_BIT_STDIO /* implicit */
1791# endif
1792#endif
4564133c 1793
09458382 1794#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1795# ifdef HAS_OFF64_T
1796# undef Off_t
1797# define Off_t off64_t
1798# undef LSEEKSIZE
1799# define LSEEKSIZE 8
5ff3f7a4 1800# endif
d9b3e12d
JH		 1801/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1802 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1803 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1804# if defined(USE_OPEN64)
1805# define open open64
5ff3f7a4 1806# endif
d9b3e12d
JH		 1807# if defined(USE_LSEEK64)
1808# define lseek lseek64
6b8eaf93
JH		 1809# else
1810# if defined(USE_LLSEEK)
1811# define lseek llseek
1812# endif
d9b3e12d
JH		 1813# endif
1814# if defined(USE_STAT64)
1815# define stat stat64
1816# endif
1817# if defined(USE_FSTAT64)
1818# define fstat fstat64
1819# endif
1820# if defined(USE_LSTAT64)
1821# define lstat lstat64
1822# endif
1823# if defined(USE_FLOCK64)
1824# define flock flock64
1825# endif
1826# if defined(USE_LOCKF64)
1827# define lockf lockf64
1828# endif
1829# if defined(USE_FCNTL64)
1830# define fcntl fcntl64
1831# endif
1832# if defined(USE_TRUNCATE64)
1833# define truncate truncate64
1834# endif
1835# if defined(USE_FTRUNCATE64)
1836# define ftruncate ftruncate64
1837# endif
1838#endif
1839
1840#ifdef USE_64_BIT_STDIO
1841# ifdef HAS_FPOS64_T
1842# undef Fpos_t
1843# define Fpos_t fpos64_t
1844# endif
1845/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1846 * will trigger defines like the ones below. Some 64-bit environments,
1847 * however, do not. */
1848# if defined(USE_FOPEN64)
1849# define fopen fopen64
1850# endif
1851# if defined(USE_FSEEK64)
6b8eaf93 1852# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1853# endif
1854# if defined(USE_FTELL64)
6b8eaf93 1855# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1856# endif
1857# if defined(USE_FSETPOS64)
1858# define fsetpos fsetpos64
1859# endif
1860# if defined(USE_FGETPOS64)
1861# define fgetpos fgetpos64
1862# endif
1863# if defined(USE_TMPFILE64)
1864# define tmpfile tmpfile64
1865# endif
1866# if defined(USE_FREOPEN64)
1867# define freopen freopen64
5ff3f7a4
GS		 1868# endif
1869#endif
1870
af8b425d 1871#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1872# include "iperlsys.h"
1873#endif
1874
6f71a643 1875#if defined(__OPEN_VM)
19848b3f
JH		 1876# include "vmesa/vmesaish.h"
1877# define ISHISH "vmesa"
6f71a643
JH		 1878#endif
1879
748a9306 1880#ifdef DOSISH
19848b3f
JH		 1881# if defined(OS2)
1882# include "os2ish.h"
1883# else
1884# include "dosish.h"
1885# endif
1886# define ISHISH "dos"
1887#endif
1888
1889#if defined(VMS)
748a9306 1890# include "vmsish.h"
96e176bf 1891# include "embed.h"
19848b3f
JH		 1892# define ISHISH "vms"
1893#endif
1894
1895#if defined(PLAN9)
1896# include "./plan9/plan9ish.h"
1897# define ISHISH "plan9"
1898#endif
1899
1900#if defined(MPE)
1901# include "mpeix/mpeixish.h"
1902# define ISHISH "mpeix"
1903#endif
1904
1905#if defined(__VOS__)
196918b0
PG		 1906# ifdef __GNUC__
1907# include "./vos/vosish.h"
1908# else
1909# include "vos/vosish.h"
1910# endif
19848b3f
JH		 1911# define ISHISH "vos"
1912#endif
1913
1914#if defined(EPOC)
1915# include "epocish.h"
1916# define ISHISH "epoc"
1917#endif
1918
1919#if defined(MACOS_TRADITIONAL)
1920# include "macos/macish.h"
1921# ifndef NO_ENVIRON_ARRAY
1922# define NO_ENVIRON_ARRAY
0c30d9ec 1923# endif
19848b3f
JH		 1924# define ISHISH "macos classic"
1925#endif
1926
efca5cc6
JH		 1927#if defined(__BEOS__)
1928# include "beos/beosish.h"
1929# define ISHISH "beos"
1930#endif
1931
19848b3f
JH		 1932#ifndef ISHISH
1933# include "unixish.h"
1934# define ISHISH "unix"
13b6e58c
JH		 1935#endif
1936
1937#ifndef NO_ENVIRON_ARRAY
1938# define USE_ENVIRON_ARRAY
1939#endif
32f822de 1940
c77b533b
JH		 1941/*
1942 * initialise to avoid floating-point exceptions from overflow, etc
1943 */
1944#ifndef PERL_FPU_INIT
1945# ifdef HAS_FPSETMASK
1946# if HAS_FLOATINGPOINT_H
1947# include <floatingpoint.h>
1948# endif
1949# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1950# else
2f42fcb0 1951# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 1952# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 1953# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1954# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1955# else
1956# define PERL_FPU_INIT
2f42fcb0 1957
7014c407 1958# endif
c77b533b
JH		 1959# endif
1960#endif
b35112e7
CS		 1961#ifndef PERL_FPU_PRE_EXEC
1962# define PERL_FPU_PRE_EXEC {
1963# define PERL_FPU_POST_EXEC }
1964#endif
c77b533b 1965
ed344e4f
IZ		 1966#ifndef PERL_SYS_INIT3
1967# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1968#endif
1969
be708cc0
JH		 1970#ifndef PERL_WRITE_MSG_TO_CONSOLE
1971# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1972#endif
1973
0f31cffe
GS		 1974#ifndef MAXPATHLEN
1975# ifdef PATH_MAX
b990c8b2
JH		 1976# ifdef _POSIX_PATH_MAX
1977# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1978/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1979 * included the null byte or not. Later amendments of POSIX,
1980 * XPG4, the Austin Group, and the Single UNIX Specification
1981 * all explicitly include the null byte in the PATH_MAX.
1982 * Ditto for _POSIX_PATH_MAX. */
1983# define MAXPATHLEN PATH_MAX
b990c8b2 1984# else
09448d78 1985# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1986# endif
1987# else
1988# define MAXPATHLEN (PATH_MAX+1)
1989# endif
0f31cffe 1990# else
b990c8b2 1991# ifdef _POSIX_PATH_MAX
09448d78 1992# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1993# else
1994# define MAXPATHLEN 1024 /* Err on the large side. */
1995# endif
0f31cffe
GS		 1996# endif
1997#endif
1998
3db8f154 1999/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2000 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2001 * this results in many functions being undeclared which bothers C++
2002 * May make sense to have threads after "*ish.h" anyway
2003 */
2004
3db8f154 2005#if defined(USE_ITHREADS)
2986a63f
JH		 2006# ifdef NETWARE
2007# include <nw5thread.h>
2008# else
32f822de
GS		 2009# ifdef FAKE_THREADS
2010# include "fakethr.h"
2011# else
2012# ifdef WIN32
2013# include <win32thread.h>
2014# else
dd96f567
IZ		 2015# ifdef OS2
2016# include "os2thread.h"
2017# else
7f3d1cf1 2018# ifdef I_MACH_CTHREADS
bdd66968 2019# include <mach/cthreads.h>
8f1f23e8 2020# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2021# define MUTEX_INIT_CALLS_MALLOC
2022# endif
7f3d1cf1
BH		 2023typedef cthread_t perl_os_thread;
2024typedef mutex_t perl_mutex;
2025typedef condition_t perl_cond;
2026typedef void * perl_key;
2027# else /* Posix threads */
1f5ae88c
JH		 2028# ifdef I_PTHREAD
2029# include <pthread.h>
2030# endif
7f3d1cf1
BH		 2031typedef pthread_t perl_os_thread;
2032typedef pthread_mutex_t perl_mutex;
2033typedef pthread_cond_t perl_cond;
2034typedef pthread_key_t perl_key;
2035# endif /* I_MACH_CTHREADS */
dd96f567 2036# endif /* OS2 */
32f822de
GS		 2037# endif /* WIN32 */
2038# endif /* FAKE_THREADS */
2986a63f 2039#endif /* NETWARE */
3db8f154 2040#endif /* USE_ITHREADS */
c5be433b 2041
66a93824 2042#if defined(WIN32)
1feb2720 2043# include "win32.h"
c5be433b
GS		 2044#endif
2045
2986a63f
JH		 2046#ifdef NETWARE
2047# include "netware.h"
2048#endif
2049
68dc0745 2050#ifdef VMS
6b88bc9c 2051# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2052# define STATUS_NATIVE_EXPORT \
d98f61e7 2053 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2054# define STATUS_NATIVE_SET(n) \
2055 STMT_START { \
6b88bc9c
GS		 2056 PL_statusvalue_vms = (n); \
2057 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2058 PL_statusvalue = -1; \
6b88bc9c 2059 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2060 PL_statusvalue = 0; \
6b88bc9c
GS		 2061 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2062 PL_statusvalue = 1 << 8; \
68dc0745 2063 else \
6b88bc9c 2064 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2065 } STMT_END
3280af22 2066# define STATUS_POSIX PL_statusvalue
68dc0745 2067# ifdef VMSISH_STATUS
2068# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2069# else
2070# define STATUS_CURRENT STATUS_POSIX
2071# endif
2072# define STATUS_POSIX_SET(n) \
2073 STMT_START { \
3280af22
NIS		 2074 PL_statusvalue = (n); \
2075 if (PL_statusvalue != -1) { \
2076 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2077 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2078 } \
6b88bc9c 2079 else PL_statusvalue_vms = -1; \
68dc0745 2080 } STMT_END
6b88bc9c
GS		 2081# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2082# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2083#else
2084# define STATUS_NATIVE STATUS_POSIX
2085# define STATUS_NATIVE_EXPORT STATUS_POSIX
2086# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2087# define STATUS_POSIX PL_statusvalue
68dc0745 2088# define STATUS_POSIX_SET(n) \
2089 STMT_START { \
3280af22
NIS		 2090 PL_statusvalue = (n); \
2091 if (PL_statusvalue != -1) \
2092 PL_statusvalue &= 0xFFFF; \
68dc0745 2093 } STMT_END
2094# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2095# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2096# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2097#endif
2098
cc3604b1
GS		 2099/* flags in PL_exit_flags for nature of exit() */
2100#define PERL_EXIT_EXPECTED 0x01
31d77e54 2101#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2102
0b94c7bb 2103#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2104# define MEMBER_TO_FPTR(name) name
2105#endif
2106
2107/* format to use for version numbers in file/directory names */
273cf8d1 2108/* XXX move to Configure? */
a7cb1f99 2109#ifndef PERL_FS_VER_FMT
273cf8d1 2110# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2111#endif
2112
45bc9206 2113/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2114 * performance issue, so we allow people to disable it. Also, if
2115 * we are using stdio, there are broken implementations of fflush(NULL)
2116 * out there, Solaris being the most prominent.
45bc9206
GS		 2117 */
2118#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2119# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2120# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2121# else
2122# ifdef FFLUSH_ALL
2123# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2124# else
c5be433b 2125# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2126# endif
66fe083f 2127# endif
45bc9206
GS		 2128#endif
2129
7766f137
GS		 2130#ifndef PERL_WAIT_FOR_CHILDREN
2131# define PERL_WAIT_FOR_CHILDREN NOOP
2132#endif
2133
ba869deb 2134/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2135#ifndef PERL_SET_INTERP
2136# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2137#endif
2138
2139#ifndef PERL_GET_INTERP
2140# define PERL_GET_INTERP (PL_curinterp)
2141#endif
2142
54aff467 2143#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2144# ifdef MULTIPLICITY
ba869deb 2145# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2146# endif
ba869deb
GS		 2147# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2148#endif
2149
894356b3
GS		 2150#ifndef SVf
2151# ifdef CHECK_FORMAT
2152# define SVf "p"
84c133a0
RB		 2153# ifndef SVf256
2154# define SVf256 SVf
2155# endif
894356b3
GS		 2156# else
2157# define SVf "_"
d460ef45 2158# endif
894356b3
GS		 2159#endif
2160
84c133a0
RB		 2161#ifndef SVf256
2162# define SVf256 ".256"SVf
2163#endif
2164
d2560b70
RB		 2165#ifndef UVf
2166# ifdef CHECK_FORMAT
2167# define UVf UVuf
2168# else
2169# define UVf "Vu"
d460ef45 2170# endif
d2560b70
RB		 2171#endif
2172
2173#ifndef VDf
2174# ifdef CHECK_FORMAT
2175# define VDf "p"
2176# else
2177# define VDf "vd"
d460ef45 2178# endif
d2560b70
RB		 2179#endif
2180
b3fe4827
RB		 2181#ifndef Nullformat
2182# ifdef CHECK_FORMAT
2183# define Nullformat "%s",""
2184# else
2185# define Nullformat Nullch
2186# endif
2187#endif
2188
287c8091
RB		 2189#ifndef __attribute__format__
2190# ifdef CHECK_FORMAT
2191# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2192# else
2193# define __attribute__format__(x,y,z)
2194# endif
2195#endif
2196
3fc1aec6 2197/* Some unistd.h's give a prototype for pause() even though
2198 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2199 below to be rejected by the compiler. Sigh.
3fc1aec6 2200*/
2201#ifdef HAS_PAUSE
2202#define Pause pause
2203#else
2204#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2205#endif
2206
2207#ifndef IOCPARM_LEN
2208# ifdef IOCPARM_MASK
2209 /* on BSDish systes we're safe */
2210# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2211# else
2212 /* otherwise guess at what's safe */
2213# define IOCPARM_LEN(x) 256
2214# endif
a0d0e21e
LW		 2215#endif
2216
1761cee5 2217#if defined(__CYGWIN__)
521e0776
GS		 2218/* USEMYBINMODE
2219 * This symbol, if defined, indicates that the program should
16fe6d59 2220 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2221 * that a file is in "binary" mode -- that is, that no translation
2222 * of bytes occurs on read or write operations.
2223 */
36894f0b 2224# define USEMYBINMODE /**/
77a40698 2225# include <io.h> /* for setmode() prototype */
16fe6d59 2226# define my_binmode(fp, iotype, mode) \
77a40698 2227 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2228#endif
2229
88d10794
JH		 2230#ifdef __CYGWIN__
2231void init_os_extras(void);
2232#endif
2233
cea2e8a9
GS		 2234#ifdef UNION_ANY_DEFINITION
2235UNION_ANY_DEFINITION;
2236#else
2237union any {
2238 void* any_ptr;
2239 I32 any_i32;
2240 IV any_iv;
2241 long any_long;
9febdf04 2242 bool any_bool;
c76ac1ee 2243 void (*any_dptr) (void*);
acfe0abc 2244 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2245};
2246#endif
2247
acfe0abc 2248typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2249
2250#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2251#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2252#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2253
c5078cac
JH		 2254#if defined(_AIX) && !defined(_AIX43)
2255#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2256/* We cannot include <crypt.h> to get the struct crypt_data
2257 * because of setkey prototype problems when threading */
2258typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2259 /* From OSF, Not needed in AIX
2260 char C[28], D[28];
2261 */
2262 char E[48];
2263 char KS[16][48];
2264 char block[66];
2265 char iobuf[16];
2266} CRYPTD;
2267#endif /* threading */
2268#endif /* AIX */
2269
af8b425d 2270#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2271# include "iperlsys.h"
2272#endif
504f80c1 2273
d10dc2ae
JH		 2274/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2275 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2276 * defined by Configure, despite their names being similar to the
2277 * other defines like USE_ITHREADS. Configure in fact knows nothing
2278 * about the randomised hashes. Therefore to enable/disable the hash
2279 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2280#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2281# define USE_HASH_SEED
504f80c1
JH		 2282#endif
2283
378cc40b 2284#include "regexp.h"
79072805 2285#include "sv.h"
378cc40b 2286#include "util.h"
8d063cd8 2287#include "form.h"
79072805 2288#include "gv.h"
dd2155a4 2289#include "pad.h"
79072805 2290#include "cv.h"
abdd5c84 2291#include "opnames.h"
79072805
LW		 2292#include "op.h"
2293#include "cop.h"
2294#include "av.h"
2295#include "hv.h"
2296#include "mg.h"
2297#include "scope.h"
4438c4b7 2298#include "warnings.h"
a0ed51b3 2299#include "utf8.h"
8d063cd8 2300
7fae4e64
GS		 2301/* Current curly descriptor */
2302typedef struct curcur CURCUR;
2303struct curcur {
2304 int parenfloor; /* how far back to strip paren data */
2305 int cur; /* how many instances of scan we've matched */
2306 int min; /* the minimal number of scans to match */
2307 int max; /* the maximal number of scans to match */
2308 int minmod; /* whether to work our way up or down */
2309 regnode * scan; /* the thing to match */
2310 regnode * next; /* what has to match after it */
2311 char * lastloc; /* where we started matching this scan */
2312 CURCUR * oldcc; /* current curly before we started this one */
2313};
2314
2315typedef struct _sublex_info SUBLEXINFO;
2316struct _sublex_info {
2317 I32 super_state; /* lexer state to save */
2318 I32 sub_inwhat; /* "lex_inwhat" to use */
2319 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2320 char *super_bufptr; /* PL_bufptr that was */
2321 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2322};
2323
455ece5e 2324typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2325
2c2d71f5 2326struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2327struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2328
2329typedef I32 CHECKPOINT;
76e3520e 2330
5f7fde29
GS		 2331struct ptr_tbl_ent {
2332 struct ptr_tbl_ent* next;
2333 void* oldval;
2334 void* newval;
d18c6117
GS		 2335};
2336
5f7fde29
GS		 2337struct ptr_tbl {
2338 struct ptr_tbl_ent** tbl_ary;
2339 UV tbl_max;
2340 UV tbl_items;
d18c6117
GS		 2341};
2342
450a55e4 2343#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2344# define I286
2345#endif
2346
fe14fcc3
LW		 2347#if defined(htonl) && !defined(HAS_HTONL)
2348#define HAS_HTONL
ae986130 2349#endif
fe14fcc3
LW		 2350#if defined(htons) && !defined(HAS_HTONS)
2351#define HAS_HTONS
ae986130 2352#endif
fe14fcc3
LW		 2353#if defined(ntohl) && !defined(HAS_NTOHL)
2354#define HAS_NTOHL
ae986130 2355#endif
fe14fcc3
LW		 2356#if defined(ntohs) && !defined(HAS_NTOHS)
2357#define HAS_NTOHS
ae986130 2358#endif
fe14fcc3 2359#ifndef HAS_HTONL
d9d8d8de 2360#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2361#define HAS_HTONS
2362#define HAS_HTONL
2363#define HAS_NTOHS
2364#define HAS_NTOHL
a687059c
LW		 2365#define MYSWAP
2366#define htons my_swap
2367#define htonl my_htonl
2368#define ntohs my_swap
2369#define ntohl my_ntohl
2370#endif
2371#else
d9d8d8de 2372#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2373#undef HAS_HTONS
2374#undef HAS_HTONL
2375#undef HAS_NTOHS
2376#undef HAS_NTOHL
a687059c
LW		 2377#endif
2378#endif
2379
988174c1
LW		 2380/*
2381 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2382 * -DWS
2383 */
2384#if BYTEORDER != 0x1234
2385# define HAS_VTOHL
2386# define HAS_VTOHS
2387# define HAS_HTOVL
2388# define HAS_HTOVS
c67712b2 2389# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2390# define vtohl(x) ((((x)&0xFF)<<24) \
2391 +(((x)>>24)&0xFF) \
2392 +(((x)&0x0000FF00)<<8) \
2393 +(((x)&0x00FF0000)>>8) )
2394# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2395# define htovl(x) vtohl(x)
2396# define htovs(x) vtohs(x)
2397# endif
2398 /* otherwise default to functions in util.c */
2a8c3029 2399#ifndef htovs
c623ac67
GS		 2400short htovs(short n);
2401short vtohs(short n);
2402long htovl(long n);
2403long vtohl(long n);
988174c1 2404#endif
2a8c3029 2405#endif
988174c1 2406
3bb7c1b4
JH		 2407/* *MAX Plus 1. A floating point value.
2408 Hopefully expressed in a way that dodgy floating point can't mess up.
2409 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2410 is added to it
2411 May find that some broken compiler will want the value cast to I32.
2412 [after the shift, as signed >> may not be as secure as unsigned >>]
2413*/
2414#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2415#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2416/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2417 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2418 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2419*/
2420#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2421
3bb7c1b4
JH		 2422#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2423#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2424#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2425
2426/* This may look like unnecessary jumping through hoops, but converting
2427 out of range floating point values to integers *is* undefined behaviour,
2428 and it is starting to bite.
2429*/
2430#ifndef CAST_INLINE
65202027 2431#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2432#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2433#define I_V(what) (cast_iv((NV)(what)))
2434#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2435#else
2436#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2437 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2438 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2439#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2440 : ((n) < U32_MAX_P1 ? (U32) (n) \
2441 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2442#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2443 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2444 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2445#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2446 : ((n) < UV_MAX_P1 ? (UV) (n) \
2447 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2448#endif
2449
2450#define U_S(what) ((U16)U_32(what))
2451#define U_I(what) ((unsigned int)U_32(what))
2452#define U_L(what) U_32(what)
ed6116ce 2453
2d4389e4
JH		 2454/* These do not care about the fractional part, only about the range. */
2455#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2456#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2457
25da4f38
IZ		 2458/* Used with UV/IV arguments: */
2459 /* XXXX: need to speed it up */
2460#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2461#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2462
352d5a3a
LW		 2463#ifndef MAXSYSFD
2464# define MAXSYSFD 2
2465#endif
ee0007ab 2466
79072805 2467#ifndef __cplusplus
e1caacb4 2468#ifndef UNDER_CE
20ce7b12
GS		 2469Uid_t getuid (void);
2470Uid_t geteuid (void);
2471Gid_t getgid (void);
2472Gid_t getegid (void);
79072805 2473#endif
e1caacb4 2474#endif
8d063cd8 2475
0c30d9ec 2476#ifndef Perl_debug_log
bf49b057
GS		 2477# define Perl_debug_log PerlIO_stderr()
2478#endif
2479
2480#ifndef Perl_error_log
2481# define Perl_error_log (PL_stderrgv \
6b78add2 2482 && isGV(PL_stderrgv) \
01bb7c6d 2483 && GvIOp(PL_stderrgv) \
42de951c 2484 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2485 ? IoOFP(GvIOp(PL_stderrgv)) \
2486 : PerlIO_stderr())
0c30d9ec 2487#endif
3967c732 2488
aea4f609
DM		 2489
2490#define DEBUG_p_FLAG 0x00000001 /* 1 */
2491#define DEBUG_s_FLAG 0x00000002 /* 2 */
2492#define DEBUG_l_FLAG 0x00000004 /* 4 */
2493#define DEBUG_t_FLAG 0x00000008 /* 8 */
2494#define DEBUG_o_FLAG 0x00000010 /* 16 */
2495#define DEBUG_c_FLAG 0x00000020 /* 32 */
2496#define DEBUG_P_FLAG 0x00000040 /* 64 */
2497#define DEBUG_m_FLAG 0x00000080 /* 128 */
2498#define DEBUG_f_FLAG 0x00000100 /* 256 */
2499#define DEBUG_r_FLAG 0x00000200 /* 512 */
2500#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2501#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2502#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2503#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2504#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2505#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2506#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2507#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2508#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2509#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2510#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2511#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM		 2512
2513#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2514#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2515 that something was done? */
aea4f609 2516
bd16a5f0
IZ		 2517# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2518# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2519# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2520# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2521# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2522# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2523# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2524# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2525# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2526# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2527# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2528# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2529# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2530# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2531# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2532# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2533# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2534# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2535# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2536# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2537# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2538# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2539
3967c732 2540#ifdef DEBUGGING
aea4f609
DM		 2541
2542# undef YYDEBUG
2543# define YYDEBUG 1
2544
bd16a5f0
IZ		 2545# define DEBUG_p_TEST DEBUG_p_TEST_
2546# define DEBUG_s_TEST DEBUG_s_TEST_
2547# define DEBUG_l_TEST DEBUG_l_TEST_
2548# define DEBUG_t_TEST DEBUG_t_TEST_
2549# define DEBUG_o_TEST DEBUG_o_TEST_
2550# define DEBUG_c_TEST DEBUG_c_TEST_
2551# define DEBUG_P_TEST DEBUG_P_TEST_
2552# define DEBUG_m_TEST DEBUG_m_TEST_
2553# define DEBUG_f_TEST DEBUG_f_TEST_
2554# define DEBUG_r_TEST DEBUG_r_TEST_
2555# define DEBUG_x_TEST DEBUG_x_TEST_
2556# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2557# define DEBUG_H_TEST DEBUG_H_TEST_
2558# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2559# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2560# define DEBUG_D_TEST DEBUG_D_TEST_
2561# define DEBUG_S_TEST DEBUG_S_TEST_
2562# define DEBUG_T_TEST DEBUG_T_TEST_
2563# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2564# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2565# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2566# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609 2567
488b0c7a
JH		 2568# define PERL_DEB(a) a
2569# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2570# define DEBUG_p(a) if (DEBUG_p_TEST) a
2571# define DEBUG_s(a) if (DEBUG_s_TEST) a
2572# define DEBUG_l(a) if (DEBUG_l_TEST) a
2573# define DEBUG_t(a) if (DEBUG_t_TEST) a
2574# define DEBUG_o(a) if (DEBUG_o_TEST) a
2575# define DEBUG_c(a) if (DEBUG_c_TEST) a
2576# define DEBUG_P(a) if (DEBUG_P_TEST) a
2577
969058bb
VK		 2578 /* Temporarily turn off memory debugging in case the a
2579 * does memory allocation, either directly or indirectly. */
acfe0abc 2580# define DEBUG_m(a) \
0b250b9e 2581 STMT_START { \
aea4f609 2582 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2583 } STMT_END
aea4f609 2584
5f80b19c
AMS		 2585# define DEBUG__(t, a) \
2586 STMT_START { \
2587 if (t) STMT_START {a;} STMT_END; \
2588 } STMT_END
2589
2590# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2591# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2592# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2593# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2594# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2595# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2596# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2597# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2598
3db8f154 2599# define DEBUG_S(a)
aea4f609 2600
5f80b19c
AMS		 2601# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2602# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2603# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2604# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2605
2606#else /* DEBUGGING */
2607
2608# define DEBUG_p_TEST (0)
2609# define DEBUG_s_TEST (0)
2610# define DEBUG_l_TEST (0)
2611# define DEBUG_t_TEST (0)
2612# define DEBUG_o_TEST (0)
2613# define DEBUG_c_TEST (0)
2614# define DEBUG_P_TEST (0)
2615# define DEBUG_m_TEST (0)
2616# define DEBUG_f_TEST (0)
2617# define DEBUG_r_TEST (0)
2618# define DEBUG_x_TEST (0)
2619# define DEBUG_u_TEST (0)
aea4f609
DM		 2620# define DEBUG_H_TEST (0)
2621# define DEBUG_X_TEST (0)
dd2155a4 2622# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2623# define DEBUG_D_TEST (0)
2624# define DEBUG_S_TEST (0)
2625# define DEBUG_T_TEST (0)
04932ac8 2626# define DEBUG_R_TEST (0)
1045810a 2627# define DEBUG_J_TEST (0)
d6721266 2628# define DEBUG_v_TEST (0)
46187eeb 2629# define DEBUG_C_TEST (0)
aea4f609 2630
488b0c7a
JH		 2631# define PERL_DEB(a)
2632# define PERL_DEBUG(a)
aea4f609
DM		 2633# define DEBUG_p(a)
2634# define DEBUG_s(a)
2635# define DEBUG_l(a)
2636# define DEBUG_t(a)
2637# define DEBUG_o(a)
2638# define DEBUG_c(a)
2639# define DEBUG_P(a)
2640# define DEBUG_m(a)
2641# define DEBUG_f(a)
2642# define DEBUG_r(a)
2643# define DEBUG_x(a)
2644# define DEBUG_u(a)
aea4f609
DM		 2645# define DEBUG_H(a)
2646# define DEBUG_X(a)
dd2155a4 2647# define DEBUG_Xv(a)
aea4f609
DM		 2648# define DEBUG_D(a)
2649# define DEBUG_S(a)
2650# define DEBUG_T(a)
04932ac8 2651# define DEBUG_R(a)
d6721266 2652# define DEBUG_v(a)
46187eeb 2653# define DEBUG_C(a)
aea4f609
DM		 2654#endif /* DEBUGGING */
2655
2656
b4ab917c
DM		 2657#define DEBUG_SCOPE(where) \
2658 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2659 where, PL_scopestack_ix, __FILE__, __LINE__)));
2660
2661
2662
2663
d1be9408 2664/* These constants should be used in preference to raw characters
14befaf4
DM		 2665 * when using magic. Note that some perl guts still assume
2666 * certain character properties of these constants, namely that
2667 * isUPPER() and toLOWER() may do useful mappings.
2668 *
2669 * Update the magic_names table in dump.c when adding/amending these
2670 */
2671
2672#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2673#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2674#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2675#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2676#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2677#define PERL_MAGIC_regdata 'D' /* Regex match position data
2678 (@+ and @- vars) */
2679#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2680#define PERL_MAGIC_env 'E' /* %ENV hash */
2681#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2682#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2683#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2684#define PERL_MAGIC_isa 'I' /* @ISA array */
2685#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2686#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2687#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2688#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2689#define PERL_MAGIC_mutex 'm' /* for lock op */
2690#define PERL_MAGIC_shared 'N' /* Shared between threads */
2691#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2692#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2693#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2694#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2695#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2696#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2697#define PERL_MAGIC_sig 'S' /* %SIG hash */
2698#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2699#define PERL_MAGIC_taint 't' /* Taintedness */
2700#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2701#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2702#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2703#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2704#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2705#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2706#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2707 smart parameter vivification */
2708#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2709#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2710#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2711#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2712#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2713
2714
fe14fcc3 2715#define YYMAXDEPTH 300
8d063cd8 2716
a6e633de 2717#ifndef assert /* <assert.h> might have been included somehow */
a446a88f 2718#ifdef DEBUGGING
488b0c7a 2719#define assert(what) PERL_DEB( { \
a446a88f
NIS		 2720 if (!(what)) { \
2721 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2722 __FILE__, __LINE__); \
2723 PerlProc_exit(1); \
2724 }})
2725#else
488b0c7a 2726#define assert(what) PERL_DEB( { \
79072805 2727 if (!(what)) { \
cea2e8a9 2728 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2729 __FILE__, __LINE__); \
cea2e8a9 2730 PerlProc_exit(1); \
79072805 2731 }})
a6e633de 2732#endif
a446a88f 2733#endif
8d063cd8 2734
450a55e4 2735struct ufuncs {
24f81a43
DM		 2736 I32 (*uf_val)(pTHX_ IV, SV*);
2737 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2738 IV uf_index;
450a55e4
LW		 2739};
2740
14befaf4 2741/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2742 * XS code wanting to be backward compatible can do something
2743 * like the following:
c745e42c 2744
24f81a43 2745#ifndef PERL_MG_UFUNC
24f81a43
DM		 2746#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2747#endif
2748
2749static PERL_MG_UFUNC(foo_get, index, val)
2750{
2751 sv_setsv(val, ...);
2752 return TRUE;
2753}
2754
2755-- Doug MacEachern
2756
2757*/
2758
fc9c74e6 2759#ifndef PERL_MG_UFUNC
24f81a43 2760#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2761#endif
24f81a43 2762
fe14fcc3 2763/* Fix these up for __STDC__ */
68dc0745 2764#ifndef DONT_DECLARE_STD
20ce7b12 2765char *mktemp (char*);
37bd1396 2766#ifndef atof
20ce7b12 2767double atof (const char*);
a0d0e21e 2768#endif
37bd1396 2769#endif
79072805 2770
352d5a3a 2771#ifndef STANDARD_C
fe14fcc3 2772/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2773Time_t time();
8d063cd8 2774struct tm *gmtime(), *localtime();
092bebab 2775#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2776char *(strchr)(), *(strrchr)();
2777char *(strcpy)(), *(strcat)();
2778#else
93a17b20 2779char *strchr(), *strrchr();
378cc40b 2780char *strcpy(), *strcat();
9d116dd7 2781#endif
352d5a3a 2782#endif /* ! STANDARD_C */
8d063cd8 2783
79072805
LW		 2784
2785#ifdef I_MATH
2786# include <math.h>
2787#else
32f822de 2788START_EXTERN_C
20ce7b12
GS		 2789 double exp (double);
2790 double log (double);
2791 double log10 (double);
2792 double sqrt (double);
2793 double frexp (double,int*);
2794 double ldexp (double,int);
2795 double modf (double,double*);
2796 double sin (double);
2797 double cos (double);
2798 double atan2 (double,double);
2799 double pow (double,double);
32f822de 2800END_EXTERN_C
79072805
LW		 2801#endif
2802
aa8b85de
JH		 2803#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2804# define NV_INF LDBL_INFINITY
2805#endif
2806#if !defined(NV_INF) && defined(DBL_INFINITY)
2807# define NV_INF (NV)DBL_INFINITY
2808#endif
2809#if !defined(NV_INF) && defined(INFINITY)
2810# define NV_INF (NV)INFINITY
2811#endif
2812#if !defined(NV_INF) && defined(INF)
2813# define NV_INF (NV)INF
2814#endif
2815#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2816# define NV_INF (NV)HUGE_VALL
2817#endif
2818#if !defined(NV_INF) && defined(HUGE_VAL)
2819# define NV_INF (NV)HUGE_VAL
2820#endif
2821
2822#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2823# if !defined(NV_NAN) && defined(LDBL_NAN)
2824# define NV_NAN LDBL_NAN
2825# endif
2826# if !defined(NV_NAN) && defined(LDBL_QNAN)
2827# define NV_NAN LDBL_QNAN
2828# endif
2829# if !defined(NV_NAN) && defined(LDBL_SNAN)
2830# define NV_NAN LDBL_SNAN
2831# endif
2832#endif
2833#if !defined(NV_NAN) && defined(DBL_NAN)
2834# define NV_NAN (NV)DBL_NAN
2835#endif
2836#if !defined(NV_NAN) && defined(DBL_QNAN)
2837# define NV_NAN (NV)DBL_QNAN
2838#endif
2839#if !defined(NV_NAN) && defined(DBL_SNAN)
2840# define NV_NAN (NV)DBL_SNAN
2841#endif
2842#if !defined(NV_NAN) && defined(QNAN)
2843# define NV_NAN (NV)QNAN
2844#endif
2845#if !defined(NV_NAN) && defined(SNAN)
2846# define NV_NAN (NV)SNAN
2847#endif
2848#if !defined(NV_NAN) && defined(NAN)
2849# define NV_NAN (NV)NAN
2850#endif
2851
a0d0e21e 2852#ifndef __cplusplus
8f1f23e8 2853# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2854char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2855# else
fd8cd3a3 2856# if !defined(WIN32) && !defined(VMS)
10bc17b6 2857#ifndef crypt
20ce7b12 2858char *crypt (const char*, const char*);
10bc17b6 2859#endif
5014db98 2860# endif /* !WIN32 */
8f1f23e8 2861# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2862# ifndef DONT_DECLARE_STD
2863# ifndef getenv
20ce7b12 2864char *getenv (const char*);
26618a56 2865# endif /* !getenv */
28ca6303 2866# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2867# ifdef _FILE_OFFSET_BITS
28ca6303 2868# if _FILE_OFFSET_BITS == 64
20ce7b12 2869Off_t lseek (int,Off_t,int);
0fc67700
JH		 2870# endif
2871# endif
bf0c440f 2872# endif
26618a56 2873# endif /* !DONT_DECLARE_STD */
10bc17b6 2874#ifndef getlogin
20ce7b12 2875char *getlogin (void);
10bc17b6 2876#endif
26618a56 2877#endif /* !__cplusplus */
79072805 2878
16d20bd9 2879#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2880#define UNLINK unlnk
20ce7b12 2881I32 unlnk (char*);
8d063cd8 2882#else
80252599 2883#define UNLINK PerlLIO_unlink
8d063cd8 2884#endif
a687059c 2885
fa0a29af
JH		 2886/* some versions of glibc are missing the setresuid() proto */
2887#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2888int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2889#endif
fa0a29af
JH		 2890/* some versions of glibc are missing the setresgid() proto */
2891#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2892int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2893#endif
2894
fe14fcc3 2895#ifndef HAS_SETREUID
85e6fe83
LW		 2896# ifdef HAS_SETRESUID
2897# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2898# define HAS_SETREUID
2899# endif
a687059c 2900#endif
fe14fcc3 2901#ifndef HAS_SETREGID
85e6fe83
LW		 2902# ifdef HAS_SETRESGID
2903# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2904# define HAS_SETREGID
2905# endif
a687059c 2906#endif
ee0007ab 2907
d543acb6 2908/* Sighandler_t defined in iperlsys.h */
ff68c719 2909
2910#ifdef HAS_SIGACTION
2911typedef struct sigaction Sigsave_t;
2912#else
2913typedef Sighandler_t Sigsave_t;
2914#endif
2915
ee0007ab
LW		 2916#define SCAN_DEF 0
2917#define SCAN_TR 1
2918#define SCAN_REPL 2
79072805
LW		 2919
2920#ifdef DEBUGGING
4633a7c4 2921# ifndef register
a0d0e21e
LW		 2922# define register
2923# endif
cea2e8a9 2924# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2925#else
cea2e8a9 2926# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2927#endif
2928
18f739ee 2929#ifdef MYMALLOC
772fe5b3 2930# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2931# define MALLOC_INIT \
2932 STMT_START { \
2933 PL_malloc_mutex = NULL; \
2934 MUTEX_INIT(&PL_malloc_mutex); \
2935 } STMT_END
2936# define MALLOC_TERM \
2937 STMT_START { \
2938 perl_mutex tmp = PL_malloc_mutex; \
2939 PL_malloc_mutex = NULL; \
2940 MUTEX_DESTROY(&tmp); \
2941 } STMT_END
2942# else
2943# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2944# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2945# endif
18f739ee
IZ		 2946#else
2947# define MALLOC_INIT
2948# define MALLOC_TERM
2949#endif
2950
b6d9d515 2951
0cb96387 2952typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2953typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2954typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2955typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2956
940cb80d 2957/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2958#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2959
8f1f23e8
W		 2960/* NeXT has problems with crt0.o globals */
2961#if defined(__DYNAMIC__) && \
6239f2da 2962 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 2963# if defined(NeXT) || defined(__NeXT)
2964# include <mach-o/dyld.h>
2965# define environ (*environ_pointer)
0c30d9ec 2966EXT char *** environ_pointer;
8f1f23e8 2967# else
6239f2da 2968# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 2969# include <crt_externs.h> /* for the env array */
2970# define environ (*_NSGetEnviron())
2971# endif
0c30d9ec 2972# endif
8f1f23e8
W		 2973#else
2974 /* VMS and some other platforms don't use the environ array */
13b6e58c 2975# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2976# if !defined(DONT_DECLARE_STD) || \
2977 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2978 defined(__sgi) || \
d460ef45 2979 defined(__DGUX)
8f1f23e8 2980extern char ** environ; /* environment variables supplied via exec */
a6c40364 2981# endif
8f1f23e8
W		 2982# endif
2983#endif
79072805 2984
73c4f7a1
GS		 2985START_EXTERN_C
2986
79072805 2987/* handy constants */
22c35a8c 2988EXTCONST char PL_warn_uninit[]
b89fed5f 2989 INIT("Use of uninitialized value%s%s");
22c35a8c 2990EXTCONST char PL_warn_nosemi[]
463ee0b2 2991 INIT("Semicolon seems to be missing");
22c35a8c 2992EXTCONST char PL_warn_reserved[]
463ee0b2 2993 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2994EXTCONST char PL_warn_nl[]
93a17b20 2995 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2996EXTCONST char PL_no_wrongref[]
a0d0e21e 2997 INIT("Can't use %s ref as %s ref");
22c35a8c 2998EXTCONST char PL_no_symref[]
748a9306 2999 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 3000EXTCONST char PL_no_usym[]
8990e307 3001 INIT("Can't use an undefined value as %s reference");
22c35a8c 3002EXTCONST char PL_no_aelem[]
93a17b20 3003 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3004EXTCONST char PL_no_helem[]
93a17b20 3005 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3006EXTCONST char PL_no_modify[]
93a17b20 3007 INIT("Modification of a read-only value attempted");
22c35a8c 3008EXTCONST char PL_no_mem[]
93a17b20 3009 INIT("Out of memory!\n");
22c35a8c 3010EXTCONST char PL_no_security[]
463ee0b2 3011 INIT("Insecure dependency in %s%s");
22c35a8c 3012EXTCONST char PL_no_sock_func[]
93a17b20 3013 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3014EXTCONST char PL_no_dir_func[]
93a17b20 3015 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3016EXTCONST char PL_no_func[]
93a17b20 3017 INIT("The %s function is unimplemented");
22c35a8c 3018EXTCONST char PL_no_myglob[]
748a9306 3019 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3020EXTCONST char PL_no_localize_ref[]
3021 INIT("Can't localize through a reference");
93a17b20 3022
7575fa06 3023EXTCONST char PL_uuemap[65]
80252599
GS		 3024 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3025
3026
79072805 3027#ifdef DOINIT
22c35a8c
GS		 3028EXT char *PL_sig_name[] = { SIG_NAME };
3029EXT int PL_sig_num[] = { SIG_NUM };
79072805 3030#else
22c35a8c
GS		 3031EXT char *PL_sig_name[];
3032EXT int PL_sig_num[];
79072805
LW		 3033#endif
3034
3bd709b1 3035/* fast conversion and case folding tables */
bbce6d69 3036
79072805 3037#ifdef DOINIT
9d116dd7 3038#ifdef EBCDIC
22c35a8c 3039EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3040 0, 1, 2, 3, 4, 5, 6, 7,
3041 8, 9, 10, 11, 12, 13, 14, 15,
3042 16, 17, 18, 19, 20, 21, 22, 23,
3043 24, 25, 26, 27, 28, 29, 30, 31,
3044 32, 33, 34, 35, 36, 37, 38, 39,
3045 40, 41, 42, 43, 44, 45, 46, 47,
3046 48, 49, 50, 51, 52, 53, 54, 55,
3047 56, 57, 58, 59, 60, 61, 62, 63,
3048 64, 65, 66, 67, 68, 69, 70, 71,
3049 72, 73, 74, 75, 76, 77, 78, 79,
3050 80, 81, 82, 83, 84, 85, 86, 87,
3051 88, 89, 90, 91, 92, 93, 94, 95,
3052 96, 97, 98, 99, 100, 101, 102, 103,
3053 104, 105, 106, 107, 108, 109, 110, 111,
3054 112, 113, 114, 115, 116, 117, 118, 119,
3055 120, 121, 122, 123, 124, 125, 126, 127,
3056 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3057 'H', 'I', 138, 139, 140, 141, 142, 143,
3058 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3059 'Q', 'R', 154, 155, 156, 157, 158, 159,
3060 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3061 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3062 176, 177, 178, 179, 180, 181, 182, 183,
3063 184, 185, 186, 187, 188, 189, 190, 191,
3064 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3065 'h', 'i', 202, 203, 204, 205, 206, 207,
3066 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3067 'q', 'r', 218, 219, 220, 221, 222, 223,
3068 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3069 'y', 'z', 234, 235, 236, 237, 238, 239,
3070 240, 241, 242, 243, 244, 245, 246, 247,
3071 248, 249, 250, 251, 252, 253, 254, 255
3072};
3073#else /* ascii rather than ebcdic */
22c35a8c 3074EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3075 0, 1, 2, 3, 4, 5, 6, 7,
3076 8, 9, 10, 11, 12, 13, 14, 15,
3077 16, 17, 18, 19, 20, 21, 22, 23,
3078 24, 25, 26, 27, 28, 29, 30, 31,
3079 32, 33, 34, 35, 36, 37, 38, 39,
3080 40, 41, 42, 43, 44, 45, 46, 47,
3081 48, 49, 50, 51, 52, 53, 54, 55,
3082 56, 57, 58, 59, 60, 61, 62, 63,
3083 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3084 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3085 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3086 'x', 'y', 'z', 91, 92, 93, 94, 95,
3087 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3088 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3089 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3090 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3091 128, 129, 130, 131, 132, 133, 134, 135,
3092 136, 137, 138, 139, 140, 141, 142, 143,
3093 144, 145, 146, 147, 148, 149, 150, 151,
3094 152, 153, 154, 155, 156, 157, 158, 159,
3095 160, 161, 162, 163, 164, 165, 166, 167,
3096 168, 169, 170, 171, 172, 173, 174, 175,
3097 176, 177, 178, 179, 180, 181, 182, 183,
3098 184, 185, 186, 187, 188, 189, 190, 191,
3099 192, 193, 194, 195, 196, 197, 198, 199,
3100 200, 201, 202, 203, 204, 205, 206, 207,
3101 208, 209, 210, 211, 212, 213, 214, 215,
3102 216, 217, 218, 219, 220, 221, 222, 223,
3103 224, 225, 226, 227, 228, 229, 230, 231,
3104 232, 233, 234, 235, 236, 237, 238, 239,
3105 240, 241, 242, 243, 244, 245, 246, 247,
3106 248, 249, 250, 251, 252, 253, 254, 255
3107};
9d116dd7 3108#endif /* !EBCDIC */
79072805 3109#else
22c35a8c 3110EXTCONST unsigned char PL_fold[];
79072805
LW		 3111#endif
3112
3113#ifdef DOINIT
22c35a8c 3114EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3115 0, 1, 2, 3, 4, 5, 6, 7,
3116 8, 9, 10, 11, 12, 13, 14, 15,
3117 16, 17, 18, 19, 20, 21, 22, 23,
3118 24, 25, 26, 27, 28, 29, 30, 31,
3119 32, 33, 34, 35, 36, 37, 38, 39,
3120 40, 41, 42, 43, 44, 45, 46, 47,
3121 48, 49, 50, 51, 52, 53, 54, 55,
3122 56, 57, 58, 59, 60, 61, 62, 63,
3123 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3124 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3125 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3126 'x', 'y', 'z', 91, 92, 93, 94, 95,
3127 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3128 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3129 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3130 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3131 128, 129, 130, 131, 132, 133, 134, 135,
3132 136, 137, 138, 139, 140, 141, 142, 143,
3133 144, 145, 146, 147, 148, 149, 150, 151,
3134 152, 153, 154, 155, 156, 157, 158, 159,
3135 160, 161, 162, 163, 164, 165, 166, 167,
3136 168, 169, 170, 171, 172, 173, 174, 175,
3137 176, 177, 178, 179, 180, 181, 182, 183,
3138 184, 185, 186, 187, 188, 189, 190, 191,
3139 192, 193, 194, 195, 196, 197, 198, 199,
3140 200, 201, 202, 203, 204, 205, 206, 207,
3141 208, 209, 210, 211, 212, 213, 214, 215,
3142 216, 217, 218, 219, 220, 221, 222, 223,
3143 224, 225, 226, 227, 228, 229, 230, 231,
3144 232, 233, 234, 235, 236, 237, 238, 239,
3145 240, 241, 242, 243, 244, 245, 246, 247,
3146 248, 249, 250, 251, 252, 253, 254, 255
3147};
3148#else
22c35a8c 3149EXT unsigned char PL_fold_locale[];
79072805
LW		 3150#endif
3151
3152#ifdef DOINIT
9d116dd7 3153#ifdef EBCDIC
22c35a8c 3154EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3155 1, 2, 84, 151, 154, 155, 156, 157,
3156 165, 246, 250, 3, 158, 7, 18, 29,
3157 40, 51, 62, 73, 85, 96, 107, 118,
3158 129, 140, 147, 148, 149, 150, 152, 153,
3159 255, 6, 8, 9, 10, 11, 12, 13,
3160 14, 15, 24, 25, 26, 27, 28, 226,
3161 29, 30, 31, 32, 33, 43, 44, 45,
3162 46, 47, 48, 49, 50, 76, 77, 78,
3163 79, 80, 81, 82, 83, 84, 85, 86,
3164 87, 94, 95, 234, 181, 233, 187, 190,
3165 180, 96, 97, 98, 99, 100, 101, 102,
3166 104, 112, 182, 174, 236, 232, 229, 103,
3167 228, 226, 114, 115, 116, 117, 118, 119,
3168 120, 121, 122, 235, 176, 230, 194, 162,
3169 130, 131, 132, 133, 134, 135, 136, 137,
3170 138, 139, 201, 205, 163, 217, 220, 224,
3171 5, 248, 227, 244, 242, 255, 241, 231,
3172 240, 253, 16, 197, 19, 20, 21, 187,
3173 23, 169, 210, 245, 237, 249, 247, 239,
3174 168, 252, 34, 196, 36, 37, 38, 39,
3175 41, 42, 251, 254, 238, 223, 221, 213,
3176 225, 177, 52, 53, 54, 55, 56, 57,
3177 58, 59, 60, 61, 63, 64, 65, 66,
3178 67, 68, 69, 70, 71, 72, 74, 75,
3179 205, 208, 186, 202, 200, 218, 198, 179,
3180 178, 214, 88, 89, 90, 91, 92, 93,
3181 217, 166, 170, 207, 199, 209, 206, 204,
3182 160, 212, 105, 106, 108, 109, 110, 111,
3183 203, 113, 216, 215, 192, 175, 193, 243,
3184 172, 161, 123, 124, 125, 126, 127, 128,
3185 222, 219, 211, 195, 188, 193, 185, 184,
3186 191, 183, 141, 142, 143, 144, 145, 146
3187};
3188#else /* ascii rather than ebcdic */
22c35a8c 3189EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3190 1, 2, 84, 151, 154, 155, 156, 157,
3191 165, 246, 250, 3, 158, 7, 18, 29,
3192 40, 51, 62, 73, 85, 96, 107, 118,
3193 129, 140, 147, 148, 149, 150, 152, 153,
3194 255, 182, 224, 205, 174, 176, 180, 217,
3195 233, 232, 236, 187, 235, 228, 234, 226,
3196 222, 219, 211, 195, 188, 193, 185, 184,
3197 191, 183, 201, 229, 181, 220, 194, 162,
3198 163, 208, 186, 202, 200, 218, 198, 179,
3199 178, 214, 166, 170, 207, 199, 209, 206,
3200 204, 160, 212, 216, 215, 192, 175, 173,
3201 243, 172, 161, 190, 203, 189, 164, 230,
3202 167, 248, 227, 244, 242, 255, 241, 231,
3203 240, 253, 169, 210, 245, 237, 249, 247,
3204 239, 168, 252, 251, 254, 238, 223, 221,
3205 213, 225, 177, 197, 171, 196, 159, 4,
3206 5, 6, 8, 9, 10, 11, 12, 13,
3207 14, 15, 16, 17, 19, 20, 21, 22,
3208 23, 24, 25, 26, 27, 28, 30, 31,
3209 32, 33, 34, 35, 36, 37, 38, 39,
3210 41, 42, 43, 44, 45, 46, 47, 48,
3211 49, 50, 52, 53, 54, 55, 56, 57,
3212 58, 59, 60, 61, 63, 64, 65, 66,
3213 67, 68, 69, 70, 71, 72, 74, 75,
3214 76, 77, 78, 79, 80, 81, 82, 83,
3215 86, 87, 88, 89, 90, 91, 92, 93,
3216 94, 95, 97, 98, 99, 100, 101, 102,
3217 103, 104, 105, 106, 108, 109, 110, 111,
3218 112, 113, 114, 115, 116, 117, 119, 120,
3219 121, 122, 123, 124, 125, 126, 127, 128,
3220 130, 131, 132, 133, 134, 135, 136, 137,
3221 138, 139, 141, 142, 143, 144, 145, 146
3222};
9d116dd7 3223#endif
79072805 3224#else
22c35a8c 3225EXTCONST unsigned char PL_freq[];
79072805
LW		 3226#endif
3227
8990e307
LW		 3228#ifdef DEBUGGING
3229#ifdef DOINIT
22c35a8c 3230EXTCONST char* PL_block_type[] = {
8990e307
LW		 3231 "NULL",
3232 "SUB",
3233 "EVAL",
3234 "LOOP",
3235 "SUBST",
3236 "BLOCK",
3237};
3238#else
22c35a8c 3239EXTCONST char* PL_block_type[];
8990e307
LW		 3240#endif
3241#endif
3242
73c4f7a1
GS		 3243END_EXTERN_C
3244
79072805
LW		 3245/*****************************************************************************/
3246/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3247/*****************************************************************************/
8990e307 3248/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3249
a0d0e21e
LW		 3250#include "perly.h"
3251
fb73857a 3252#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3253
79072805
LW		 3254typedef enum {
3255 XOPERATOR,
3256 XTERM,
79072805 3257 XREF,
8990e307 3258 XSTATE,
a0d0e21e 3259 XBLOCK,
09bef843
SB		 3260 XATTRBLOCK,
3261 XATTRTERM,
6f33ba73
RGS		 3262 XTERMBLOCK,
3263 XTERMORDORDOR /* evil hack */
27308ded 3264 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3265} expectation;
3266
dc9e4912
GS		 3267enum { /* pass one of these to get_vtbl */
3268 want_vtbl_sv,
3269 want_vtbl_env,
3270 want_vtbl_envelem,
3271 want_vtbl_sig,
3272 want_vtbl_sigelem,
3273 want_vtbl_pack,
3274 want_vtbl_packelem,
3275 want_vtbl_dbline,
3276 want_vtbl_isa,
3277 want_vtbl_isaelem,
3278 want_vtbl_arylen,
3279 want_vtbl_glob,
3280 want_vtbl_mglob,
3281 want_vtbl_nkeys,
3282 want_vtbl_taint,
3283 want_vtbl_substr,
3284 want_vtbl_vec,
3285 want_vtbl_pos,
3286 want_vtbl_bm,
3287 want_vtbl_fm,
3288 want_vtbl_uvar,
3289 want_vtbl_defelem,
3290 want_vtbl_regexp,
3291 want_vtbl_collxfrm,
3292 want_vtbl_amagic,
3293 want_vtbl_amagicelem,
dc9e4912 3294 want_vtbl_regdata,
810b8aa5 3295 want_vtbl_regdatum,
7e8c5dac
HS		 3296 want_vtbl_backref,
3297 want_vtbl_utf8
dc9e4912
GS		 3298};
3299
85e6fe83
LW		 3300 /* Note: the lowest 8 bits are reserved for
3301 stuffing into op->op_private */
f3aa04c2 3302#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3303#define HINT_INTEGER 0x00000001 /* integer pragma */
3304#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3305#define HINT_LOCALE 0x00000004 /* locale pragma */
3306#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3307/* #define HINT_notused10 0x00000010 */
a0ed51b3 3308 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3309 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3310
3311#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3312#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3313#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3314
9cfe5470 3315/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3316#define HINT_NEW_INTEGER 0x00001000
3317#define HINT_NEW_FLOAT 0x00002000
3318#define HINT_NEW_BINARY 0x00004000
3319#define HINT_NEW_STRING 0x00008000
3320#define HINT_NEW_RE 0x00010000
3321#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3322
9cfe5470
RGS		 3323#define HINT_RE_TAINT 0x00100000 /* re pragma */
3324#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3325
9cfe5470
RGS		 3326#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3327#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3328
8fa7688f 3329/* assertions pragma */
06492da6 3330#define HINT_ASSERTING 0x01000000
8fa7688f 3331#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3332
9cfe5470 3333/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3334#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3335#define HINT_SORT_QUICKSORT 0x00000001
3336#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3337#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3338
8bfdd7d9 3339/* Various states of the input record separator SV (rs) */
d4cce5f1 3340#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3341#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3342#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3343#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3344
128e8167 3345/* A struct for keeping various DEBUGGING related stuff,
ce333219 3346 * neatly packed. Currently only scratch variables for
128e8167
JH		 3347 * constructing debug output are included. Needed always,
3348 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3349struct perl_debug_pad {
3350 SV pad[3];
3351};
3352
3353#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3354#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3355
56953603 3356/* Enable variables which are pointers to functions */
a2efc822 3357typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3358typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3359typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3360 char* strend, char* strbeg, I32 minend,
3361 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3362typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3363 char *strpos, char *strend,
3364 U32 flags,
3365 struct re_scream_pos_data_s *d);
3366typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3367typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3368
c76ac1ee 3369typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3370typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3371typedef void (*SVFUNC_t) (pTHX_ SV*);
3372typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3373typedef void (*XSINIT_t) (pTHX);
3374typedef void (*ATEXIT_t) (pTHX_ void*);
3375typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3376
22239a37
NIS		 3377/* Set up PERLVAR macros for populating structs */
3378#define PERLVAR(var,type) type var;
51371543 3379#define PERLVARA(var,n,type) type var[n];
22239a37 3380#define PERLVARI(var,type,init) type var;
3fe35a81 3381#define PERLVARIC(var,type,init) type var;
22239a37 3382
58a50f62
GS		 3383/* Interpreter exitlist entry */
3384typedef struct exitlistentry {
acfe0abc 3385 void (*fn) (pTHX_ void*);
58a50f62
GS		 3386 void *ptr;
3387} PerlExitListEntry;
3388
22239a37
NIS		 3389#ifdef PERL_GLOBAL_STRUCT
3390struct perl_vars {
7766f137 3391# include "perlvars.h"
22239a37
NIS		 3392};
3393
7766f137 3394# ifdef PERL_CORE
533c011a
NIS		 3395EXT struct perl_vars PL_Vars;
3396EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3397# else /* PERL_CORE */
3398# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3399EXT
7766f137 3400# endif /* WIN32 */
533c011a 3401struct perl_vars *PL_VarsPtr;
7766f137
GS		 3402# define PL_Vars (*((PL_VarsPtr) \
3403 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3404# endif /* PERL_CORE */
22239a37
NIS		 3405#endif /* PERL_GLOBAL_STRUCT */
3406
acfe0abc 3407#if defined(MULTIPLICITY)
d460ef45 3408/* If we have multiple interpreters define a struct
d4cce5f1 3409 holding variables which must be per-interpreter
d460ef45 3410 If we don't have threads anything that would have
d4cce5f1
NIS		 3411 be per-thread is per-interpreter.
3412*/
3413
79072805 3414struct interpreter {
3db8f154 3415# include "thrdvar.h"
7766f137
GS		 3416# include "intrpvar.h"
3417/*
3418 * The following is a buffer where new variables must
acfe0abc 3419 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3420 */
3421PERLVARA(object_compatibility,30, char)
49f531da 3422};
d4cce5f1 3423
79072805 3424#else
49f531da
NIS		 3425struct interpreter {
3426 char broiled;
3427};
acfe0abc 3428#endif /* MULTIPLICITY */
79072805 3429
22fae026 3430typedef void *Thread;
22239a37
NIS		 3431
3432/* Done with PERLVAR macros for now ... */
d4cce5f1 3433#undef PERLVAR
51371543 3434#undef PERLVARA
d4cce5f1 3435#undef PERLVARI
3fe35a81 3436#undef PERLVARIC
79072805 3437
49704364
WL		 3438/* Types used by pack/unpack */
3439typedef enum {
3440 e_no_len, /* no length */
3441 e_number, /* number, [] */
3442 e_star /* asterisk */
3443} howlen_t;
3444
3445typedef struct {
3446 char* patptr; /* current template char */
3447 char* patend; /* one after last char */
3448 char* grpbeg; /* 1st char of ()-group */
3449 char* grpend; /* end of ()-group */
3450 I32 code; /* template code (!) */
3451 I32 length; /* length/repeat count */
3452 howlen_t howlen; /* how length is given */
3453 int level; /* () nesting level */
3454 U32 flags; /* /=4, comma=2, pack=1 */
3455} tempsym_t;
3456
22239a37 3457#include "thread.h"
79072805 3458#include "pp.h"
864dbfa3
GS		 3459
3460#ifndef PERL_CALLCONV
3461# define PERL_CALLCONV
d460ef45 3462#endif
864dbfa3 3463
65f19062
GS		 3464#ifndef NEXT30_NO_ATTRIBUTE
3465# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3466# ifdef __attribute__ /* Avoid possible redefinition errors */
3467# undef __attribute__
3468# endif
3469# define __attribute__(attr)
3470# endif
3471#endif
3472
0cb96387
GS		 3473#undef PERL_CKDEF
3474#undef PERL_PPDEF
3475#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3476#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3477
7766f137 3478#include "proto.h"
864dbfa3 3479
0cb96387 3480/* this has structure inits, so it cannot be included before here */
acfe0abc 3481#include "opcode.h"
864dbfa3 3482
d4cce5f1
NIS		 3483/* The following must follow proto.h as #defines mess up syntax */
3484
22c35a8c
GS		 3485#if !defined(PERL_FOR_X2P)
3486# include "embedvar.h"
3487#endif
d4cce5f1 3488
d460ef45 3489/* Now include all the 'global' variables
d4cce5f1 3490 * If we don't have threads or multiple interpreters
d460ef45 3491 * these include variables that would have been their struct-s
d4cce5f1 3492 */
d460ef45 3493
533c011a 3494#define PERLVAR(var,type) EXT type PL_##var;
51371543 3495#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3496#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3497#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3498
acfe0abc 3499#if !defined(MULTIPLICITY)
7766f137 3500START_EXTERN_C
066ef5b5 3501# include "intrpvar.h"
3db8f154 3502# include "thrdvar.h"
7766f137 3503END_EXTERN_C
22239a37
NIS		 3504#endif
3505
acfe0abc 3506#if defined(WIN32)
66a93824 3507/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3508# include "embed.h"
acfe0abc 3509#endif
22239a37 3510
c5be433b
GS		 3511#ifndef PERL_GLOBAL_STRUCT
3512START_EXTERN_C
3513
3514# include "perlvars.h"
3515
3516END_EXTERN_C
3517#endif
3518
d4cce5f1 3519#undef PERLVAR
51371543 3520#undef PERLVARA
d4cce5f1 3521#undef PERLVARI
0f3f18a6 3522#undef PERLVARIC
79072805 3523
73c4f7a1
GS		 3524START_EXTERN_C
3525
79072805 3526#ifdef DOINIT
bbce6d69 3527
68795e93 3528EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3529 MEMBER_TO_FPTR(Perl_magic_set),
3530 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3531 0, 0};
2b260de0
GS		 3532EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3533 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3534 0};
2b260de0
GS		 3535EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3536 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3537 0};
22c35a8c 3538EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3539#ifdef PERL_MICRO
3540EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3541#else
2b260de0
GS		 3542EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3543 MEMBER_TO_FPTR(Perl_magic_setsig),
3544 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3545 0};
64ca3a65 3546#endif
68795e93
NIS		 3547EXT MGVTBL PL_vtbl_pack = {0, 0,
3548 MEMBER_TO_FPTR(Perl_magic_sizepack),
3549 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3550 0};
2b260de0 3551EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3552 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3553 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3554 0};
2b260de0 3555EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3556 0, 0, 0};
2b260de0
GS		 3557EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3558 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3559 0};
2b260de0 3560EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3561 0, 0, 0};
2b260de0
GS		 3562EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3563 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3564 0, 0, 0};
2b260de0
GS		 3565EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3566 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3567 0, 0, 0};
2b260de0 3568EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3569 0, 0, 0};
2b260de0
GS		 3570EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3571 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3572 0, 0, 0};
68795e93
NIS		 3573EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3574 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3575 0, 0, 0};
68795e93
NIS		 3576EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3577 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3578 0, 0, 0};
2b260de0 3579EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3580 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3581 0, 0, 0};
2b260de0
GS		 3582EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3583 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3584 0, 0, 0};
2b260de0 3585EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3586 0, 0, 0};
2b260de0 3587EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3588 0, 0, 0};
2b260de0
GS		 3589EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3590 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3591 0, 0, 0};
68795e93
NIS		 3592EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3593 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3594 0, 0, 0};
a0d0e21e 3595
faf82a0b 3596EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3597EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3598EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3599 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3600
36477c24 3601#ifdef USE_LOCALE_COLLATE
22c35a8c 3602EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3603 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3604 0, 0, 0};
3605#endif
a0d0e21e 3606
2b260de0
GS		 3607EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3608 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3609EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3610 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3611
810b8aa5 3612EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3613 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3614
d460ef45
NIS		 3615EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3616 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3617
7e8c5dac
HS		 3618EXT MGVTBL PL_vtbl_utf8 = {0,
3619 MEMBER_TO_FPTR(Perl_magic_setutf8),
3620 0, 0, 0};
3621
bbce6d69 3622#else /* !DOINIT */
3623
22c35a8c
GS		 3624EXT MGVTBL PL_vtbl_sv;
3625EXT MGVTBL PL_vtbl_env;
3626EXT MGVTBL PL_vtbl_envelem;
3627EXT MGVTBL PL_vtbl_sig;
3628EXT MGVTBL PL_vtbl_sigelem;
3629EXT MGVTBL PL_vtbl_pack;
3630EXT MGVTBL PL_vtbl_packelem;
3631EXT MGVTBL PL_vtbl_dbline;
3632EXT MGVTBL PL_vtbl_isa;
3633EXT MGVTBL PL_vtbl_isaelem;
3634EXT MGVTBL PL_vtbl_arylen;
3635EXT MGVTBL PL_vtbl_glob;
3636EXT MGVTBL PL_vtbl_mglob;
3637EXT MGVTBL PL_vtbl_nkeys;
3638EXT MGVTBL PL_vtbl_taint;
3639EXT MGVTBL PL_vtbl_substr;
3640EXT MGVTBL PL_vtbl_vec;
3641EXT MGVTBL PL_vtbl_pos;
3642EXT MGVTBL PL_vtbl_bm;
3643EXT MGVTBL PL_vtbl_fm;
3644EXT MGVTBL PL_vtbl_uvar;
d460ef45 3645EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3646
22c35a8c
GS		 3647EXT MGVTBL PL_vtbl_defelem;
3648EXT MGVTBL PL_vtbl_regexp;
3649EXT MGVTBL PL_vtbl_regdata;
3650EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3651
36477c24 3652#ifdef USE_LOCALE_COLLATE
22c35a8c 3653EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3654#endif
a0d0e21e 3655
22c35a8c
GS		 3656EXT MGVTBL PL_vtbl_amagic;
3657EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3658
810b8aa5 3659EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3660EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3661
bbce6d69 3662#endif /* !DOINIT */
85e6fe83 3663
f5284f61
IZ		 3664enum {
3665 fallback_amg, abs_amg,
3666 bool__amg, nomethod_amg,
3667 string_amg, numer_amg,
3668 add_amg, add_ass_amg,
3669 subtr_amg, subtr_ass_amg,
3670 mult_amg, mult_ass_amg,
3671 div_amg, div_ass_amg,
3672 modulo_amg, modulo_ass_amg,
3673 pow_amg, pow_ass_amg,
3674 lshift_amg, lshift_ass_amg,
3675 rshift_amg, rshift_ass_amg,
3676 band_amg, band_ass_amg,
3677 bor_amg, bor_ass_amg,
3678 bxor_amg, bxor_ass_amg,
3679 lt_amg, le_amg,
3680 gt_amg, ge_amg,
3681 eq_amg, ne_amg,
3682 ncmp_amg, scmp_amg,
3683 slt_amg, sle_amg,
3684 sgt_amg, sge_amg,
3685 seq_amg, sne_amg,
3686 not_amg, compl_amg,
3687 inc_amg, dec_amg,
3688 atan2_amg, cos_amg,
3689 sin_amg, exp_amg,
3690 log_amg, sqrt_amg,
3691 repeat_amg, repeat_ass_amg,
3692 concat_amg, concat_ass_amg,
3693 copy_amg, neg_amg,
3694 to_sv_amg, to_av_amg,
3695 to_hv_amg, to_gv_amg,
d460ef45 3696 to_cv_amg, iter_amg,
f216259d
IZ		 3697 int_amg, DESTROY_amg,
3698 max_amg_code
64a0062a 3699 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3700};
3701
3702#define NofAMmeth max_amg_code
89ffc314 3703#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3704
a0d0e21e 3705#ifdef DOINIT
22c35a8c 3706EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3707 /* Names kept in the symbol table. fallback => "()", the rest has
3708 "(" prepended. The only other place in perl which knows about
3709 this convention is AMG_id2name (used for debugging output and
3710 'nomethod' only), the only other place which has it hardwired is
3711 overload.pm. */
3712 "()", "(abs", /* "fallback" should be the first. */
3713 "(bool", "(nomethod",
3714 "(\"\"", "(0+",
3715 "(+", "(+=",
3716 "(-", "(-=",
3717 "(*", "(*=",
3718 "(/", "(/=",
3719 "(%", "(%=",
3720 "(**", "(**=",
3721 "(<<", "(<<=",
3722 "(>>", "(>>=",
3723 "(&", "(&=",
3724 "(|", "(|=",
3725 "(^", "(^=",
3726 "(<", "(<=",
3727 "(>", "(>=",
3728 "(==", "(!=",
3729 "(<=>", "(cmp",
3730 "(lt", "(le",
3731 "(gt", "(ge",
3732 "(eq", "(ne",
3733 "(!", "(~",
3734 "(++", "(--",
3735 "(atan2", "(cos",
3736 "(sin", "(exp",
3737 "(log", "(sqrt",
3738 "(x", "(x=",
3739 "(.", "(.=",
3740 "(=", "(neg",
3741 "(${}", "(@{}",
3742 "(%{}", "(*{}",
3743 "(&{}", "(<>",
f216259d 3744 "(int", "DESTROY",
a0d0e21e
LW		 3745};
3746#else
22c35a8c 3747EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3748#endif /* def INITAMAGIC */
3749
73c4f7a1
GS		 3750END_EXTERN_C
3751
a6006777 3752struct am_table {
eb160463 3753 U32 was_ok_sub;
a0d0e21e 3754 long was_ok_am;
a6006777 3755 U32 flags;
3756 CV* table[NofAMmeth];
a0d0e21e
LW		 3757 long fallback;
3758};
a6006777 3759struct am_table_short {
eb160463 3760 U32 was_ok_sub;
a6006777 3761 long was_ok_am;
3762 U32 flags;
3763};
a0d0e21e 3764typedef struct am_table AMT;
a6006777 3765typedef struct am_table_short AMTS;
a0d0e21e
LW		 3766
3767#define AMGfallNEVER 1
3768#define AMGfallNO 2
3769#define AMGfallYES 3
3770
a6006777 3771#define AMTf_AMAGIC 1
32251b26 3772#define AMTf_OVERLOADED 2
a6006777 3773#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3774#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3775#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3776#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3777#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3778#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3779
32251b26 3780#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3781
3782/*
3783 * some compilers like to redefine cos et alia as faster
3784 * (and less accurate?) versions called F_cos et cetera (Quidquid
3785 * latine dictum sit, altum viditur.) This trick collides with
3786 * the Perl overloading (amg). The following #defines fool both.
3787 */
3788
3789#ifdef _FASTMATH
3790# ifdef atan2
3791# define F_atan2_amg atan2_amg
3792# endif
3793# ifdef cos
3794# define F_cos_amg cos_amg
3795# endif
3796# ifdef exp
3797# define F_exp_amg exp_amg
3798# endif
3799# ifdef log
3800# define F_log_amg log_amg
3801# endif
3802# ifdef pow
3803# define F_pow_amg pow_amg
3804# endif
3805# ifdef sin
3806# define F_sin_amg sin_amg
3807# endif
3808# ifdef sqrt
3809# define F_sqrt_amg sqrt_amg
3810# endif
3811#endif /* _FASTMATH */
3812
83ee9e09
GS		 3813#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3814 PERLDBf_NOOPT | PERLDBf_INTER | \
3815 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3816 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3817 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3818#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3819#define PERLDBf_LINE 0x02 /* Keep line # */
3820#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3821#define PERLDBf_INTER 0x08 /* Preserve more data for
3822 later inspections */
3823#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3824#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3825#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3826#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3827#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3828#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3829#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3830
3280af22
NIS		 3831#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3832#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3833#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3834#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3835#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3836#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3837#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3838#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3839#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3840#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3841#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3842
36477c24 3843#ifdef USE_LOCALE_NUMERIC
bbce6d69 3844
36477c24 3845#define SET_NUMERIC_STANDARD() \
ff4fed7c 3846 set_numeric_standard();
36477c24 3847
3848#define SET_NUMERIC_LOCAL() \
ff4fed7c 3849 set_numeric_local();
bbce6d69 3850
2de3dbcc
JH		 3851#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3852#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3853
3854#define IN_LOCALE \
3855 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3856
f93f4e46 3857#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3858 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3859 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3860
3861#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3862 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3863 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3864
3865#define RESTORE_NUMERIC_LOCAL() \
3866 if (was_local) SET_NUMERIC_LOCAL();
3867
3868#define RESTORE_NUMERIC_STANDARD() \
3869 if (was_standard) SET_NUMERIC_STANDARD();
3870
5b877257 3871#define Atof my_atof
097ee67d 3872
36477c24 3873#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3874
097ee67d
JH		 3875#define SET_NUMERIC_STANDARD() /**/
3876#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3877#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3878#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3879#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3880#define RESTORE_NUMERIC_LOCAL() /**/
3881#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3882#define Atof my_atof
ad3e0f90 3883#define IN_LOCALE_RUNTIME 0
bbce6d69 3884
36477c24 3885#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3886
079290de 3887#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3888# ifdef __hpux
3889# define strtoll __strtoll /* secret handshake */
3890# endif
c623ac67
GS		 3891# ifdef WIN64
3892# define strtoll _strtoi64 /* secret handshake */
3893# endif
079290de
GS		 3894# if !defined(Strtol) && defined(HAS_STRTOLL)
3895# define Strtol strtoll
ad551343 3896# endif
28e5dec8
JH		 3897# if !defined(Strtol) && defined(HAS_STRTOQ)
3898# define Strtol strtoq
3899# endif
ff935051 3900/* is there atoq() anywhere? */
15b99d39 3901#endif
079290de
GS		 3902#if !defined(Strtol) && defined(HAS_STRTOL)
3903# define Strtol strtol
3904#endif
3905#ifndef Atol
3906/* It would be more fashionable to use Strtol() to define atol()
3907 * (as is done for Atoul(), see below) but for backward compatibility
3908 * we just assume atol(). */
76b882ba 3909# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3910# ifdef WIN64
3911# define atoll _atoi64 /* secret handshake */
3912# endif
76b882ba
JH		 3913# define Atol atoll
3914# else
3915# define Atol atol
3916# endif
cf2093f6
JH		 3917#endif
3918
55eb892c 3919#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3920# ifdef __hpux
3921# define strtoull __strtoull /* secret handshake */
3922# endif
c623ac67
GS		 3923# ifdef WIN64
3924# define strtoull _strtoui64 /* secret handshake */
3925# endif
ad551343 3926# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3927# define Strtoul strtoull
15b99d39 3928# endif
079290de
GS		 3929# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3930# define Strtoul strtouq
3931# endif
76d49b1c 3932/* is there atouq() anywhere? */
ad551343 3933#endif
079290de
GS		 3934#if !defined(Strtoul) && defined(HAS_STRTOUL)
3935# define Strtoul strtoul
cf2093f6 3936#endif
a5523c5b
JH		 3937#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
3938# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
3939#endif
079290de
GS		 3940#ifndef Atoul
3941# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3942#endif
cf2093f6 3943
760ac839 3944
06d86050
GS		 3945/* if these never got defined, they need defaults */
3946#ifndef PERL_SET_CONTEXT
3947# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3948#endif
3949
3950#ifndef PERL_GET_CONTEXT
3951# define PERL_GET_CONTEXT PERL_GET_INTERP
3952#endif
3953
3954#ifndef PERL_GET_THX
3955# define PERL_GET_THX ((void*)NULL)
3956#endif
3957
3958#ifndef PERL_SET_THX
3959# define PERL_SET_THX(t) NOOP
3960#endif
3961
a868473f
NIS		 3962#ifndef PERL_SCRIPT_MODE
3963#define PERL_SCRIPT_MODE "r"
3964#endif
3965
fba3b22e 3966/*
da927450
JH		 3967 * Some operating systems are stingy with stack allocation,
3968 * so perl may have to guard against stack overflow.
3969 */
3970#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3971#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3972#endif
3973
3974/*
3975 * Some nonpreemptive operating systems find it convenient to
3976 * check for asynchronous conditions after each op execution.
3977 * Keep this check simple, or it may slow down execution
3978 * massively.
3979 */
ce08f86c 3980
1d615522 3981#ifndef PERL_MICRO
4ffa73a3
JH		 3982# ifndef PERL_ASYNC_CHECK
3983# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3984# endif
ce08f86c
NIS		 3985#endif
3986
da927450 3987#ifndef PERL_ASYNC_CHECK
1d615522 3988# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3989#endif
3990
3991/*
3992 * On some operating systems, a memory allocation may succeed,
3993 * but put the process too close to the system's comfort limit.
3994 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3995 * it to NULL.
3996 */
3997#ifndef PERL_ALLOC_CHECK
c2af87cb 3998#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3999#endif
4000
4001/*
fba3b22e
MB		 4002 * nice_chunk and nice_chunk size need to be set
4003 * and queried under the protection of sv_mutex
4004 */
30ad99e7
MJD		 4005#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4006 void *new_chunk; \
4007 U32 new_chunk_size; \
4008 LOCK_SV_MUTEX; \
4009 new_chunk = (void *)(chunk); \
4010 new_chunk_size = (chunk_size); \
4011 if (new_chunk_size > PL_nice_chunk_size) { \
4012 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4013 PL_nice_chunk = new_chunk; \
4014 PL_nice_chunk_size = new_chunk_size; \
4015 } else { \
4016 Safefree(chunk); \
4017 } \
4018 UNLOCK_SV_MUTEX; \
4019 } STMT_END
fba3b22e 4020
bd89102f
AD		 4021#ifdef HAS_SEM
4022# include <sys/ipc.h>
4023# include <sys/sem.h>
4024# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4025 union semun {
dbba660d
TC		 4026 int val;
4027 struct semid_ds *buf;
4028 unsigned short *array;
bd89102f
AD		 4029 };
4030# endif
4031# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4032# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4033 union gccbug_semun {
4034 int val;
4035 struct semid_ds *buf;
4036 unsigned short *array;
4037 char __dummy[5];
4038 };
4039# define semun gccbug_semun
4040# endif
bd89102f
AD		 4041# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4042# else
4043# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4044# ifdef EXTRA_F_IN_SEMUN_BUF
4045# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4046# else
4047# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4048# endif
bd89102f
AD		 4049# endif
4050# endif
bd89102f 4051#endif
49f531da 4052
89ca4ac7
JH		 4053/*
4054 * Boilerplate macros for initializing and accessing interpreter-local
4055 * data from C. All statics in extensions should be reworked to use
4056 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4057 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4058 *
4059 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4060 * 1. #define MY_CXT_KEY to a unique string, e.g.
4061 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4062 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4063 * all the data that needs to be interpreter-local.
4064 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4065 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4066 * (typically put in the BOOT: section).
4067 * 5. Use the members of the my_cxt_t structure everywhere as
4068 * MY_CXT.member.
4069 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4070 * access MY_CXT.
4071 */
4072
fc958cd2 4073#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4074
4075/* This must appear in all extensions that define a my_cxt_t structure,
4076 * right after the definition (i.e. at file scope). The non-threads
4077 * case below uses it to declare the data as static. */
4078#define START_MY_CXT
4079
4080/* Fetches the SV that keeps the per-interpreter data. */
4081#define dMY_CXT_SV \
4082 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4083 sizeof(MY_CXT_KEY)-1, TRUE)
4084
4085/* This declaration should be used within all functions that use the
4086 * interpreter-local data. */
4087#define dMY_CXT \
4088 dMY_CXT_SV; \
ec0e15e0 4089 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4090
4091/* Creates and zeroes the per-interpreter data.
4092 * (We allocate my_cxtp in a Perl SV so that it will be released when
4093 * the interpreter goes away.) */
4094#define MY_CXT_INIT \
4095 dMY_CXT_SV; \
4096 /* newSV() allocates one more than needed */ \
4097 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4098 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4099 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4100
4101/* This macro must be used to access members of the my_cxt_t structure.
4102 * e.g. MYCXT.some_data */
4103#define MY_CXT (*my_cxtp)
4104
4105/* Judicious use of these macros can reduce the number of times dMY_CXT
4106 * is used. Use is similar to pTHX, aTHX etc. */
4107#define pMY_CXT my_cxt_t *my_cxtp
4108#define pMY_CXT_ pMY_CXT,
4109#define _pMY_CXT ,pMY_CXT
4110#define aMY_CXT my_cxtp
4111#define aMY_CXT_ aMY_CXT,
4112#define _aMY_CXT ,aMY_CXT
4113
4114#else /* USE_ITHREADS */
4115
4116#define START_MY_CXT static my_cxt_t my_cxt;
4117#define dMY_CXT_SV dNOOP
4118#define dMY_CXT dNOOP
4119#define MY_CXT_INIT NOOP
4120#define MY_CXT my_cxt
4121
4122#define pMY_CXT void
4123#define pMY_CXT_
4124#define _pMY_CXT
4125#define aMY_CXT
4126#define aMY_CXT_
4127#define _aMY_CXT
4128
4129#endif /* !defined(USE_ITHREADS) */
4130
9a34ef1d
GS		 4131#ifdef I_FCNTL
4132# include <fcntl.h>
9a34ef1d
GS		 4133#endif
4134
4135#ifdef I_SYS_FILE
4136# include <sys/file.h>
4137#endif
4138
fa0a29af 4139#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4140int flock(int fd, int op);
4141#endif
4142
fe52b3b7
GS		 4143#ifndef O_RDONLY
4144/* Assume UNIX defaults */
4145# define O_RDONLY 0000
4146# define O_WRONLY 0001
4147# define O_RDWR 0002
4148# define O_CREAT 0100
4149#endif
9a34ef1d 4150
16fe6d59
GS		 4151#ifndef O_BINARY
4152# define O_BINARY 0
4153#endif
4154
4155#ifndef O_TEXT
4156# define O_TEXT 0
4157#endif
4158
6ce75a77
JH		 4159#if O_TEXT != O_BINARY
4160 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4161 * that is, you are somehow DOSish. */
538204d5 4162# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4163 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4164 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4165 /* VOS has O_TEXT != O_BINARY, and they have effect,
4166 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4167 /* If you have O_TEXT different from your O_BINARY but you still are
4168 * not a CRLF shop. */
35990314 4169# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4170# else
4171 /* If you really are DOSish. */
4172# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4173# endif
4174#endif
4175
104d25b7
JH		 4176#ifdef IAMSUID
4177
4178#ifdef I_SYS_STATVFS
9f982a77
IG		 4179# if defined(PERL_SCO) && !defined(_SVID3)
4180# define _SVID3
4181# endif
32b3cf08
JH		 4182# include <sys/statvfs.h> /* for f?statvfs() */
4183#endif
4184#ifdef I_SYS_MOUNT
4185# include <sys/mount.h> /* for *BSD f?statfs() */
4186#endif
4187#ifdef I_MNTENT
4188# include <mntent.h> /* for getmntent() */
104d25b7 4189#endif
0545a864
JH		 4190#ifdef I_SYS_STATFS
4191# include <sys/statfs.h> /* for some statfs() */
4192#endif
4193#ifdef I_SYS_VFS
8d9e1a19
GS		 4194# ifdef __sgi
4195# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4196# endif
4197# include <sys/vfs.h> /* for some statfs() */
4198# ifdef __sgi
4199# undef IRIX_sv
4200# endif
0545a864
JH		 4201#endif
4202#ifdef I_USTAT
4203# include <ustat.h> /* for ustat() */
4204#endif
4205
4206#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4207# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4208#endif
4209#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4210# define PERL_MOUNT_NOSUID MNT_NOSUID
4211#endif
4212#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4213# define PERL_MOUNT_NOSUID MS_NOSUID
4214#endif
4215#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4216# define PERL_MOUNT_NOSUID M_NOSUID
4217#endif
104d25b7
JH		 4218
4219#endif /* IAMSUID */
4220
4bc88a62
PS		 4221#ifdef I_LIBUTIL
4222# include <libutil.h> /* setproctitle() in some FreeBSDs */
4223#endif
4224
b4748376
NIS		 4225#ifndef EXEC_ARGV_CAST
4226#define EXEC_ARGV_CAST(x) x
4227#endif
4228
dd5dc04f
JH		 4229#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4230 int). value returned in pointed-
4231 to UV */
4232#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4233#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4234#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4235#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4236#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4237
4238#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4239
53305cf1
NC		 4240/* Input flags: */
4241#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4242#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4243#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4244/* Output flags: */
4245#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4246
2c4f7f0e
DM		 4247/* to let user control profiling */
4248#ifdef PERL_GPROF_CONTROL
4249extern void moncontrol(int);
4250#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4251#else
4252#define PERL_GPROF_MONCONTROL(x)
4253#endif
4254
ae0e3d3b
JH		 4255#ifdef UNDER_CE
4256#include "wince.h"
4257#endif
4258
4259/* ISO 6429 NEL - C1 control NExt Line */
4260/* See http://www.unicode.org/unicode/reports/tr13/ */
4261#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4262# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4263# define NEXT_LINE_CHAR 0x15
4264# else /* CDRA */
4265# define NEXT_LINE_CHAR 0x25
4266# endif
4267#else
4268# define NEXT_LINE_CHAR 0x85
4269#endif
4270
4271/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4272#define UNICODE_LINE_SEPA_0 0xE2
4273#define UNICODE_LINE_SEPA_1 0x80
4274#define UNICODE_LINE_SEPA_2 0xA8
4275#define UNICODE_PARA_SEPA_0 0xE2
4276#define UNICODE_PARA_SEPA_1 0x80
4277#define UNICODE_PARA_SEPA_2 0xA9
4278
479b2847
GS		 4279#ifndef PIPESOCK_MODE
4280# define PIPESOCK_MODE
4281#endif
4282
7e8c5dac
HS		 4283#define PERL_MAGIC_UTF8_CACHESIZE 2
4284
a05d7ebb
JH		 4285#define PERL_UNICODE_STDIN_FLAG 0x0001
4286#define PERL_UNICODE_STDOUT_FLAG 0x0002
4287#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4288#define PERL_UNICODE_IN_FLAG 0x0008
4289#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4290#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4291#define PERL_UNICODE_LOCALE_FLAG 0x0040
4292#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4293
06e66572
JH		 4294#define PERL_UNICODE_STD_FLAG \
4295 (PERL_UNICODE_STDIN_FLAG | \
4296 PERL_UNICODE_STDOUT_FLAG | \
4297 PERL_UNICODE_STDERR_FLAG)
4298
4299#define PERL_UNICODE_INOUT_FLAG \
4300 (PERL_UNICODE_IN_FLAG | \
4301 PERL_UNICODE_OUT_FLAG)
4302
4303#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4304 (PERL_UNICODE_STD_FLAG | \
4305 PERL_UNICODE_INOUT_FLAG | \
4306 PERL_UNICODE_LOCALE_FLAG)
4307
4308#define PERL_UNICODE_ALL_FLAGS 0x00ff
4309
4310#define PERL_UNICODE_STDIN 'I'
4311#define PERL_UNICODE_STDOUT 'O'
4312#define PERL_UNICODE_STDERR 'E'
4313#define PERL_UNICODE_STD 'S'
4314#define PERL_UNICODE_IN 'i'
4315#define PERL_UNICODE_OUT 'o'
4316#define PERL_UNICODE_INOUT 'D'
4317#define PERL_UNICODE_ARGV 'A'
4318#define PERL_UNICODE_LOCALE 'L'
4319#define PERL_UNICODE_WIDESYSCALLS 'W'
4320
4ffa73a3
JH		 4321#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4322
16bd9a85
JH		 4323/* From sigaction(2) (FreeBSD man page):
4324 * | Signal routines normally execute with the signal that
4325 * | caused their invocation blocked, but other signals may
4326 * | yet occur.
4327 * Emulation of this behavior (from within Perl) is enabled
4328 * by defining PERL_BLOCK_SIGNALS.
4329 */
4330#define PERL_BLOCK_SIGNALS
4331
4332#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4333# define PERL_BLOCKSIG_ADD(set,sig) \
4334 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4335# define PERL_BLOCKSIG_BLOCK(set) \
4336 sigprocmask(SIG_BLOCK, &(set), NULL)
4337# define PERL_BLOCKSIG_UNBLOCK(set) \
4338 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4339#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4340
4341/* How about the old style of sigblock()? */
4342
4343#ifndef PERL_BLOCKSIG_ADD
4344# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4345#endif
4346#ifndef PERL_BLOCKSIG_BLOCK
4347# define PERL_BLOCKSIG_BLOCK(set) NOOP
4348#endif
2bfba5f0 4349#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4350# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4351#endif
4352
32fdb065 4353/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4354 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4355#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4356
4d8076ea 4357/* and finally... */
cceca5ed 4358#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4359#include "patchlevel.h"
cceca5ed 4360#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4361
43999f95 4362/* Mention
d460ef45 4363
43999f95 4364 NV_PRESERVES_UV
fe749a9f 4365
fe749a9f
JH		 4366 HAS_MKSTEMP
4367 HAS_MKSTEMPS
4368 HAS_MKDTEMP
4369
49dabb45
JH		 4370 HAS_GETCWD
4371
d59b5429 4372 HAS_MMAP
fe749a9f
JH		 4373 HAS_MPROTECT
4374 HAS_MSYNC
1e8c3fde 4375 HAS_MADVISE
fe749a9f
JH		 4376 HAS_MUNMAP
4377 I_SYSMMAN
4378 Mmap_t
4379
6b4667fc
A		 4380 NVef
4381 NVff
4382 NVgf
4383
4e0554ec 4384 HAS_UALARM
2d736872 4385 HAS_USLEEP
4e0554ec
JH		 4386
4387 HAS_SETITIMER
4388 HAS_GETITIMER
4389
4390 HAS_SENDMSG
4391 HAS_RECVMSG
4392 HAS_READV
4393 HAS_WRITEV
4394 I_SYSUIO
4395 HAS_STRUCT_MSGHDR
4396 HAS_STRUCT_CMSGHDR
4397
2765b840 4398 HAS_NL_LANGINFO
0a7020c9 4399
ae0e3d3b 4400 HAS_DIRFD
2765b840 4401
43999f95
JH		 4402 so that Configure picks them up. */
4403
85e6fe83 4404#endif /* Include guard */
ae0e3d3b 4405
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