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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2
JH		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
ba979b31
NIS		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
6916a0ab
NIS		 51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 53# endif
54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
026fd48b
GH		 68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
10bc17b6
JH		 74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 77# define USE_REENTRANT_API
78#endif
79
ac6bedea
JH		 80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
af28e889 82/*
6239f2da
JH		 83 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
84 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 85 * __bsdi__ for BSD/OS
86 */
6239f2da 87#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 88# ifndef BSDish
89# define BSDish
90# endif
91#endif
92
c5be433b 93#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 94# ifndef MULTIPLICITY
95# define MULTIPLICITY
c5be433b 96# endif
3db8f154
MB		 97# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
98# define aTHX my_perl
99# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 100# define dTHX pTHX = PERL_GET_THX
c5be433b 101# define pTHX_ pTHX,
c5be433b 102# define aTHX_ aTHX,
894356b3
GS		 103# define pTHX_1 2
104# define pTHX_2 3
105# define pTHX_3 4
106# define pTHX_4 5
c5be433b
GS		 107#endif
108
76e3520e
GS		 109#define STATIC static
110#define CPERLscope(x) x
565764a8 111#define CPERLarg void
76e3520e 112#define CPERLarg_
e3b8966e 113#define _CPERLarg
1d583055
GS		 114#define PERL_OBJECT_THIS
115#define _PERL_OBJECT_THIS
116#define PERL_OBJECT_THIS_
312caa8e 117#define CALL_FPTR(fptr) (*fptr)
76e3520e 118
312caa8e
CS		 119#define CALLRUNOPS CALL_FPTR(PL_runops)
120#define CALLREGCOMP CALL_FPTR(PL_regcompp)
121#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 122#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
123#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
124#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 125
126#ifdef PERL_FLEXIBLE_EXCEPTIONS
127# define CALLPROTECT CALL_FPTR(PL_protect)
128#endif
312caa8e 129
44dbb695 130#ifdef HASATTRIBUTE
3da75212
MB		 131# if defined(__GNUC__) && defined(__cplusplus)
132# define PERL_UNUSED_DECL
133# else
134# define PERL_UNUSED_DECL __attribute__((unused))
135# endif
44dbb695
JH		 136#else
137# define PERL_UNUSED_DECL
138#endif
139
349b520e
DM		 140/* gcc -Wall:
141 * for silencing unused variables that are actually used most of the time,
142 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
143 */
144#define PERL_UNUSED_VAR(var) if (0) var = var
145
0cb96387 146#define NOOP (void)0
44dbb695 147#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 148
0cb96387
GS		 149#ifndef pTHX
150# define pTHX void
151# define pTHX_
0cb96387
GS		 152# define aTHX
153# define aTHX_
0cb96387
GS		 154# define dTHXa(a) dNOOP
155# define dTHX dNOOP
894356b3
GS		 156# define pTHX_1 1
157# define pTHX_2 2
158# define pTHX_3 3
159# define pTHX_4 4
0cb96387
GS		 160#endif
161
b4f7f263
GS		 162/* these are only defined for compatibility; should not be used internally */
163#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 164# define pTHXo pTHX
165# define pTHXo_ pTHX_
0cb96387
GS		 166# define aTHXo aTHX
167# define aTHXo_ aTHX_
c5be433b 168# define dTHXo dTHX
71d280e3 169# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 170#endif
171
172#ifndef pTHXx
173# define pTHXx register PerlInterpreter *my_perl
174# define pTHXx_ pTHXx,
0cb96387
GS		 175# define aTHXx my_perl
176# define aTHXx_ aTHXx,
c5be433b 177# define dTHXx dTHX
22c35a8c 178#endif
71be2cbc 179
1de7c2ac
GS		 180/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
181 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
182 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
183#ifdef PERL_IMPLICIT_SYS
184# define dTHXs dTHX
185#else
186# define dTHXs dNOOP
187#endif
188
326b05e3
GS		 189#undef START_EXTERN_C
190#undef END_EXTERN_C
191#undef EXTERN_C
32f822de
GS		 192#ifdef __cplusplus
193# define START_EXTERN_C extern "C" {
194# define END_EXTERN_C }
195# define EXTERN_C extern "C"
196#else
d460ef45
NIS		 197# define START_EXTERN_C
198# define END_EXTERN_C
73c4f7a1 199# define EXTERN_C extern
32f822de
GS		 200#endif
201
462e5cf6
MB		 202#ifdef OP_IN_REGISTER
203# ifdef __GNUC__
204# define stringify_immed(s) #s
205# define stringify(s) stringify_immed(s)
d1ca3daa 206register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 207# endif
208#endif
209
5dc8bdac
JH		 210#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
211# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
212#endif
213
728e2803 214/*
215 * STMT_START { statements; } STMT_END;
216 * can be used as a single statement, as in
217 * if (x) STMT_START { ... } STMT_END; else ...
218 *
219 * Trying to select a version that gives no warnings...
220 */
221#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 222# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 223# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
224# define STMT_END )
225# else
226 /* Now which other defined()s do we need here ??? */
93189314 227# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 228# define STMT_START if (1)
229# define STMT_END else (void)0
230# else
231# define STMT_START do
232# define STMT_END while (0)
233# endif
234# endif
235#endif
236
0cb96387 237#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 238#define WITH_THR(s) WITH_THX(s)
ea0efc06 239
55497cff 240/*
241 * SOFT_CAST can be used for args to prototyped functions to retain some
242 * type checking; it only casts if the compiler does not know prototypes.
243 */
244#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
245#define SOFT_CAST(type)
246#else
247#define SOFT_CAST(type) (type)
248#endif
79072805 249
6ee623d5 250#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 251# define BYTEORDER 0x1234
252#endif
253
254/* Overall memory policy? */
255#ifndef CONSERVATIVE
256# define LIBERAL 1
257#endif
258
8ada0baa
JH		 259#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
260#define ASCIIish
261#else
262#undef ASCIIish
263#endif
264
79072805
LW		 265/*
266 * The following contortions are brought to you on behalf of all the
267 * standards, semi-standards, de facto standards, not-so-de-facto standards
268 * of the world, as well as all the other botches anyone ever thought of.
269 * The basic theory is that if we work hard enough here, the rest of the
270 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
271 */
ac58e20f 272
ee0007ab 273/* define this once if either system, instead of cluttering up the src */
2986a63f 274#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 275#define DOSISH 1
276#endif
277
2986a63f 278#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 279# define STANDARD_C 1
280#endif
281
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
2ef53570 716 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 717#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 718int sockatmark(int);
719#endif
720
1e743fda
JH		 721#ifdef SETERRNO
722# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 723#endif
f86702cc 724
725#ifdef VMS
726# define SETERRNO(errcode,vmserrcode) \
727 STMT_START { \
728 set_errno(errcode); \
729 set_vaxc_errno(vmserrcode); \
730 } STMT_END
93189314
JH		 731# define LIB_INVARG LIB$_INVARG
732# define RMS_DIR RMS$_DIR
733# define RMS_FAC RMS$_FAC
734# define RMS_FEX RMS$_FEX
735# define RMS_FNF RMS$_FNF
736# define RMS_IFI RMS$_IFI
737# define RMS_ISI RMS$_ISI
738# define RMS_PRV RMS$_PRV
739# define SS_ACCVIO SS$_ACCVIO
740# define SS_DEVOFFLINE SS$_DEVOFFLINE
741# define SS_IVCHAN SS$_IVCHAN
742# define SS_NORMAL SS$_NORMAL
748a9306 743#else
aba27d88 744# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 745# define LIB_INVARG 0
746# define RMS_DIR 0
747# define RMS_FAC 0
748# define RMS_FEX 0
749# define RMS_FNF 0
750# define RMS_IFI 0
751# define RMS_ISI 0
752# define RMS_PRV 0
753# define SS_ACCVIO 0
754# define SS_DEVOFFLINE 0
755# define SS_IVCHAN 0
756# define SS_NORMAL 0
748a9306 757#endif
ed6116ce 758
3db8f154
MB		 759#define ERRSV GvSV(PL_errgv)
760#define DEFSV GvSV(PL_defgv)
761#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 762
98eae8f5
GS		 763#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
764
55497cff 765#ifndef errno
5ff3f7a4
GS		 766 extern int errno; /* ANSI allows errno to be an lvalue expr.
767 * For example in multithreaded environments
768 * something like this might happen:
769 * extern int *_errno(void);
770 * #define errno (*_errno()) */
d9d8d8de 771#endif
663a0e37 772
2304df62 773#ifdef HAS_STRERROR
a0d0e21e 774# ifdef VMS
20ce7b12 775 char *strerror (int,...);
a0d0e21e 776# else
68dc0745 777#ifndef DONT_DECLARE_STD
20ce7b12 778 char *strerror (int);
68dc0745 779#endif
a0d0e21e 780# endif
2304df62
AD		 781# ifndef Strerror
782# define Strerror strerror
783# endif
784#else
785# ifdef HAS_SYS_ERRLIST
79072805
LW		 786 extern int sys_nerr;
787 extern char *sys_errlist[];
2304df62
AD		 788# ifndef Strerror
789# define Strerror(e) \
79072805 790 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 791# endif
79072805 792# endif
35c8bce7 793#endif
663a0e37 794
2304df62 795#ifdef I_SYS_IOCTL
79072805
LW		 796# ifndef _IOCTL_
797# include <sys/ioctl.h>
798# endif
a687059c
LW		 799#endif
800
ee0007ab 801#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 802# ifdef HAS_SOCKETPAIR
803# undef HAS_SOCKETPAIR
804# endif
2304df62
AD		 805# ifdef I_NDBM
806# undef I_NDBM
79072805 807# endif
a687059c
LW		 808#endif
809
02fc2eee
NC		 810#ifndef HAS_SOCKETPAIR
811# ifdef HAS_SOCKET
812# define socketpair Perl_my_socketpair
813# endif
814#endif
815
a687059c 816#if INTSIZE == 2
79072805
LW		 817# define htoni htons
818# define ntohi ntohs
a687059c 819#else
79072805
LW		 820# define htoni htonl
821# define ntohi ntohl
a687059c
LW		 822#endif
823
a0d0e21e 824/* Configure already sets Direntry_t */
35c8bce7 825#if defined(I_DIRENT)
663a0e37 826# include <dirent.h>
8f1f23e8
W		 827 /* NeXT needs dirent + sys/dir.h */
828# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 829# include <sys/dir.h>
830# endif
ae986130 831#else
fe14fcc3 832# ifdef I_SYS_NDIR
79a0689e 833# include <sys/ndir.h>
663a0e37 834# else
fe14fcc3 835# ifdef I_SYS_DIR
79a0689e
LW		 836# ifdef hp9000s500
837# include <ndir.h> /* may be wrong in the future */
838# else
839# include <sys/dir.h>
840# endif
663a0e37
LW		 841# endif
842# endif
4633a7c4 843#endif
a687059c 844
12ae5dfc
JH		 845#ifdef PERL_MICRO
846# ifndef DIR
847# define DIR void
848# endif
849#endif
850
352d5a3a
LW		 851#ifdef FPUTS_BOTCH
852/* work around botch in SunOS 4.0.1 and 4.0.2 */
853# ifndef fputs
79072805 854# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 855# endif
856#endif
857
c623bd54
LW		 858/*
859 * The following gobbledygook brought to you on behalf of __STDC__.
860 * (I could just use #ifndef __STDC__, but this is more bulletproof
861 * in the face of half-implementations.)
862 */
863
7114a2d2 864#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 865#include <sys/mode.h>
866#endif
867
c623bd54
LW		 868#ifndef S_IFMT
869# ifdef _S_IFMT
870# define S_IFMT _S_IFMT
871# else
872# define S_IFMT 0170000
873# endif
874#endif
875
876#ifndef S_ISDIR
877# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
878#endif
879
880#ifndef S_ISCHR
881# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
882#endif
883
884#ifndef S_ISBLK
fe14fcc3
LW		 885# ifdef S_IFBLK
886# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
887# else
888# define S_ISBLK(m) (0)
889# endif
c623bd54
LW		 890#endif
891
892#ifndef S_ISREG
893# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
894#endif
895
896#ifndef S_ISFIFO
fe14fcc3
LW		 897# ifdef S_IFIFO
898# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
899# else
900# define S_ISFIFO(m) (0)
901# endif
c623bd54
LW		 902#endif
903
904#ifndef S_ISLNK
905# ifdef _S_ISLNK
906# define S_ISLNK(m) _S_ISLNK(m)
907# else
908# ifdef _S_IFLNK
909# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
910# else
911# ifdef S_IFLNK
912# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
913# else
914# define S_ISLNK(m) (0)
915# endif
916# endif
917# endif
918#endif
919
920#ifndef S_ISSOCK
921# ifdef _S_ISSOCK
922# define S_ISSOCK(m) _S_ISSOCK(m)
923# else
924# ifdef _S_IFSOCK
925# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
926# else
927# ifdef S_IFSOCK
928# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
929# else
930# define S_ISSOCK(m) (0)
931# endif
932# endif
933# endif
934#endif
935
936#ifndef S_IRUSR
937# ifdef S_IREAD
938# define S_IRUSR S_IREAD
939# define S_IWUSR S_IWRITE
940# define S_IXUSR S_IEXEC
941# else
942# define S_IRUSR 0400
943# define S_IWUSR 0200
944# define S_IXUSR 0100
945# endif
fac7cdfc
JS		 946#endif
947
948#ifndef S_IRGRP
949# ifdef S_IRUSR
950# define S_IRGRP (S_IRUSR>>3)
951# define S_IWGRP (S_IWUSR>>3)
952# define S_IXGRP (S_IXUSR>>3)
953# else
954# define S_IRGRP 0040
955# define S_IWGRP 0020
956# define S_IXGRP 0010
957# endif
958#endif
959
960#ifndef S_IROTH
961# ifdef S_IRUSR
962# define S_IROTH (S_IRUSR>>6)
963# define S_IWOTH (S_IWUSR>>6)
964# define S_IXOTH (S_IXUSR>>6)
965# else
966# define S_IROTH 0040
967# define S_IWOTH 0020
968# define S_IXOTH 0010
969# endif
c623bd54
LW		 970#endif
971
972#ifndef S_ISUID
973# define S_ISUID 04000
974#endif
975
976#ifndef S_ISGID
977# define S_ISGID 02000
978#endif
979
ca6e1c26
JH		 980#ifndef S_IRWXU
981# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 982#endif
ca6e1c26
JH		 983
984#ifndef S_IRWXG
985# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 986#endif
ca6e1c26
JH		 987
988#ifndef S_IRWXO
989# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 990#endif
ca6e1c26 991
c21fb2b8
JH		 992/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
993 * which would get included through <sys/file.h >, but that is 3000
994 * lines in the future. --jhi */
995
996#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 997# define S_IREAD S_IRUSR
998#endif
999
c21fb2b8 1000#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1001# define S_IWRITE S_IWUSR
1002#endif
1003
1004#ifndef S_IEXEC
1005# define S_IEXEC S_IXUSR
1006#endif
1007
79072805
LW		 1008#ifdef ff_next
1009# undef ff_next
352d5a3a
LW		 1010#endif
1011
a0d0e21e 1012#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1013# define SLOPPYDIVIDE
1014#endif
1015
748a9306
LW		 1016#ifdef UV
1017#undef UV
1018#endif
1019
c89df6bf
JH		 1020#ifdef SPRINTF_E_BUG
1021# define sprintf UTS_sprintf_wrap
1022#endif
1023
c495e728
JH		 1024/* Configure gets this right but the UTS compiler gets it wrong.
1025 -- Hal Morris <hom00@utsglobal.com> */
1026#ifdef UTS
1027# undef UVTYPE
1028# define UVTYPE unsigned
1029#endif
1030
05f13f53 1031/*
27d4fb96 1032 The IV type is supposed to be long enough to hold any integral
1033 value or a pointer.
1034 --Andy Dougherty August 1996
1035*/
1036
a22e52b9
JH		 1037typedef IVTYPE IV;
1038typedef UVTYPE UV;
8175356b 1039
10cc9d2a 1040#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1041# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1042# define IV_MAX INT64_MAX
1043# define IV_MIN INT64_MIN
1044# define UV_MAX UINT64_MAX
cae7ae48
JH		 1045# ifndef UINT64_MIN
1046# define UINT64_MIN 0
1047# endif
5ff3f7a4
GS		 1048# define UV_MIN UINT64_MIN
1049# else
1050# define IV_MAX PERL_QUAD_MAX
1051# define IV_MIN PERL_QUAD_MIN
1052# define UV_MAX PERL_UQUAD_MAX
1053# define UV_MIN PERL_UQUAD_MIN
1054# endif
cf2093f6
JH		 1055# define IV_IS_QUAD
1056# define UV_IS_QUAD
79072805 1057#else
8175356b 1058# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1059# define IV_MAX INT32_MAX
1060# define IV_MIN INT32_MIN
716026f9
DL		 1061# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1062# define UV_MAX UINT32_MAX
1063# else
1064# define UV_MAX 4294967295U
1065# endif
cae7ae48
JH		 1066# ifndef UINT32_MIN
1067# define UINT32_MIN 0
1068# endif
5ff3f7a4
GS		 1069# define UV_MIN UINT32_MIN
1070# else
1071# define IV_MAX PERL_LONG_MAX
1072# define IV_MIN PERL_LONG_MIN
1073# define UV_MAX PERL_ULONG_MAX
1074# define UV_MIN PERL_ULONG_MIN
1075# endif
8175356b 1076# if IVSIZE == 8
cf2093f6
JH		 1077# define IV_IS_QUAD
1078# define UV_IS_QUAD
de1c2614
JH		 1079# ifndef HAS_QUAD
1080# define HAS_QUAD
1081# endif
cf2093f6
JH		 1082# else
1083# undef IV_IS_QUAD
1084# undef UV_IS_QUAD
de1c2614 1085# undef HAS_QUAD
cf2093f6 1086# endif
79072805 1087#endif
d7d93a81 1088
6cde8aec 1089#if defined(uts) || defined(UTS)
11afe549
HM		 1090# undef UV_MAX
1091# define UV_MAX (4294967295u)
20601011
JH		 1092#endif
1093
cae7ae48 1094#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1095#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1096
28e5dec8 1097#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1098#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1099#endif
1100
d460ef45 1101/*
26bb67e2
JH		 1102 * The macros INT2PTR and NUM2PTR are (despite their names)
1103 * bi-directional: they will convert int/float to or from pointers.
1104 * However the conversion to int/float are named explicitly:
1105 * PTR2IV, PTR2UV, PTR2NV.
1106 *
1107 * For int conversions we do not need two casts if pointers are
1108 * the same size as IV and UV. Otherwise we need an explicit
1109 * cast (PTRV) to avoid compiler warnings.
1110 */
56431972
RB		 1111#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1112# define PTRV UV
1113# define INT2PTR(any,d) (any)(d)
1114#else
d460ef45 1115# if PTRSIZE == LONGSIZE
56431972 1116# define PTRV unsigned long
42718184 1117# else
56431972 1118# define PTRV unsigned
42718184 1119# endif
56431972 1120# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1121#endif
56431972
RB		 1122#define NUM2PTR(any,d) (any)(PTRV)(d)
1123#define PTR2IV(p) INT2PTR(IV,p)
1124#define PTR2UV(p) INT2PTR(UV,p)
1125#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1126#if PTRSIZE == LONGSIZE
d2560b70
RB		 1127# define PTR2ul(p) (unsigned long)(p)
1128#else
1129# define PTR2ul(p) INT2PTR(unsigned long,p)
1130#endif
d460ef45 1131
65202027 1132#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1133# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1134# define LONG_DOUBLE_EQUALS_DOUBLE
1135# endif
68d4903c 1136# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1137# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1138# endif
1139#endif
1140
2d4389e4
JH		 1141#ifdef OVR_DBL_DIG
1142/* Use an overridden DBL_DIG */
1143# ifdef DBL_DIG
1144# undef DBL_DIG
1145# endif
1146# define DBL_DIG OVR_DBL_DIG
1147#else
1148/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1149 default value for printing floating point numbers in Gconvert
1150 (see config.h). (It also has other uses, such as figuring out if
1151 a given precision of printing can be done with a double instead of
1152 a long double - Allen).
2d4389e4
JH		 1153*/
1154#ifdef I_LIMITS
1155#include <limits.h>
1156#endif
1157#ifdef I_FLOAT
1158#include <float.h>
1159#endif
1160#ifndef HAS_DBL_DIG
1161#define DBL_DIG 15 /* A guess that works lots of places */
1162#endif
1163#endif
cbca01e1
JH		 1164#ifdef I_FLOAT
1165#include <float.h>
1166#endif
1167#ifndef HAS_DBL_DIG
1168#define DBL_DIG 15 /* A guess that works lots of places */
1169#endif
2d4389e4
JH		 1170
1171#ifdef OVR_LDBL_DIG
1172/* Use an overridden LDBL_DIG */
1173# ifdef LDBL_DIG
1174# undef LDBL_DIG
1175# endif
1176# define LDBL_DIG OVR_LDBL_DIG
1177#else
1178/* The following is all to get LDBL_DIG, in order to pick a nice
1179 default value for printing floating point numbers in Gconvert.
1180 (see config.h)
1181*/
68d4903c
JH		 1182# ifdef I_LIMITS
1183# include <limits.h>
1184# endif
1185# ifdef I_FLOAT
1186# include <float.h>
1187# endif
1188# ifndef HAS_LDBL_DIG
1189# if LONG_DOUBLESIZE == 10
1190# define LDBL_DIG 18 /* assume IEEE */
1191# else
1192# if LONG_DOUBLESIZE == 12
1193# define LDBL_DIG 18 /* gcc? */
1194# else
1195# if LONG_DOUBLESIZE == 16
1196# define LDBL_DIG 33 /* assume IEEE */
1197# else
1198# if LONG_DOUBLESIZE == DOUBLESIZE
1199# define LDBL_DIG DBL_DIG /* bummer */
1200# endif
1201# endif
1202# endif
1203# endif
1204# endif
2d4389e4
JH		 1205#endif
1206
20f6aaab
AS		 1207/*
1208 * This is for making sure we have a good DBL_MAX value, if possible,
1209 * either for usage as NV_MAX or for usage in figuring out if we can
1210 * fit a given long double into a double, if bug-fixing makes it
1211 * necessary to do so. - Allen <allens@cpan.org>
1212 */
1213
205f51d8
AS		 1214#ifdef I_LIMITS
1215# include <limits.h>
20f6aaab
AS		 1216#endif
1217
205f51d8
AS		 1218#ifdef I_VALUES
1219# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1220# include <values.h>
1221# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1222# define DBL_MAX MAXDOUBLE
1223# endif
1224# if defined(MINDOUBLE) && !defined(DBL_MIN)
1225# define DBL_MIN MINDOUBLE
1226# endif
1227# endif
1228#endif /* defined(I_VALUES) */
1229
a22e52b9 1230typedef NVTYPE NV;
8175356b 1231
792d8dab
JH		 1232#ifdef I_IEEEFP
1233# include <ieeefp.h>
1234#endif
923fc586 1235
65202027 1236#ifdef USE_LONG_DOUBLE
923fc586
JH		 1237# ifdef I_SUNMATH
1238# include <sunmath.h>
1239# endif
2d4389e4 1240# define NV_DIG LDBL_DIG
d6c14000
JH		 1241# ifdef LDBL_MANT_DIG
1242# define NV_MANT_DIG LDBL_MANT_DIG
1243# endif
06fc1729
JH		 1244# ifdef LDBL_MIN
1245# define NV_MIN LDBL_MIN
1246# endif
1247# ifdef LDBL_MAX
1248# define NV_MAX LDBL_MAX
1249# endif
1250# ifdef LDBL_MIN_10_EXP
1251# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1252# endif
1253# ifdef LDBL_MAX_10_EXP
1254# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1255# endif
1256# ifdef LDBL_EPSILON
1257# define NV_EPSILON LDBL_EPSILON
1258# endif
f4a14a62
JH		 1259# ifdef LDBL_MAX
1260# define NV_MAX LDBL_MAX
20f6aaab 1261/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1262# else
1263# ifdef HUGE_VALL
1264# define NV_MAX HUGE_VALL
1265# else
1266# ifdef HUGE_VAL
1267# define NV_MAX ((NV)HUGE_VAL)
1268# endif
1269# endif
1270# endif
68d4903c 1271# ifdef HAS_SQRTL
68d4903c
JH		 1272# define Perl_cos cosl
1273# define Perl_sin sinl
1274# define Perl_sqrt sqrtl
1275# define Perl_exp expl
1276# define Perl_log logl
1277# define Perl_atan2 atan2l
1278# define Perl_pow powl
1279# define Perl_floor floorl
1280# define Perl_fmod fmodl
1281# endif
a3540c92
JH		 1282/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1283# ifdef HAS_MODFL
1284# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1285/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1286 prototype in <math.h> */
1287# ifndef HAS_MODFL_PROTO
1288long double modfl(long double, long double *);
1289# endif
03476e8e
JH		 1290# else
1291# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1292 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1293# define Perl_modf(x,y) Perl_my_modfl(x,y)
1294# endif
a3540c92
JH		 1295# endif
1296# ifdef HAS_FREXPL
dff3e0b8 1297# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1298# else
1299# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1300 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1301# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1302# endif
a3540c92 1303# endif
38dbb4c5 1304# ifndef Perl_isnan
758a5d79
JH		 1305# ifdef HAS_ISNANL
1306# define Perl_isnan(x) isnanl(x)
1307# endif
1308# endif
1309# ifndef Perl_isinf
1310# ifdef HAS_FINITEL
1311# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1312# endif
1313# endif
65202027 1314#else
2d4389e4 1315# define NV_DIG DBL_DIG
d6c14000
JH		 1316# ifdef DBL_MANT_DIG
1317# define NV_MANT_DIG DBL_MANT_DIG
1318# endif
06fc1729
JH		 1319# ifdef DBL_MIN
1320# define NV_MIN DBL_MIN
1321# endif
1322# ifdef DBL_MAX
1323# define NV_MAX DBL_MAX
1324# endif
1325# ifdef DBL_MIN_10_EXP
1326# define NV_MIN_10_EXP DBL_MIN_10_EXP
1327# endif
1328# ifdef DBL_MAX_10_EXP
1329# define NV_MAX_10_EXP DBL_MAX_10_EXP
1330# endif
1331# ifdef DBL_EPSILON
1332# define NV_EPSILON DBL_EPSILON
1333# endif
205f51d8 1334# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1335# define NV_MAX DBL_MAX
1336# define NV_MIN DBL_MIN
1337# else
1338# ifdef HUGE_VAL
1339# define NV_MAX HUGE_VAL
1340# endif
1341# endif
65202027
DS		 1342# define Perl_cos cos
1343# define Perl_sin sin
1344# define Perl_sqrt sqrt
1345# define Perl_exp exp
1346# define Perl_log log
1347# define Perl_atan2 atan2
1348# define Perl_pow pow
1349# define Perl_floor floor
65202027 1350# define Perl_fmod fmod
a3540c92 1351# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1352# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1353#endif
1354
1355/* rumor has it that Win32 has _fpclass() */
1356
205f51d8
AS		 1357/* SGI has fpclassl... but not with the same result values,
1358 * and it's via a typedef (not via #define), so will need to redo Configure
1359 * to use. Not worth the trouble, IMO, at least until the below is used
1360 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1361 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1362 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1363
758a5d79
JH		 1364#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1365# ifdef I_IEEFP
1366# include <ieeefp.h>
1367# endif
1368# ifdef I_FP
1369# include <fp.h>
1370# endif
1371# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1372# define Perl_fp_class() fpclassl(x)
1373# else
1374# define Perl_fp_class() fpclass(x)
1375# endif
1376# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1377# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1378# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1379# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1380# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1381# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1382# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1383# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1384# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1385# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1386# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1387# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1388# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1389# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1390# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1391#endif
1392
7114a2d2 1393#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1394# include <math.h>
1395# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1396# include <fp_class.h>
1397# endif
1398# define Perl_fp_class(x) fp_class(x)
1399# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1400# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1401# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1402# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1403# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1404# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1405# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1406# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1407# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1408# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1409# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1410# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1411# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1412# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1413# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1414#endif
1415
1416#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1417# include <math.h>
1418# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1419# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1420# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1421# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1422# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1423# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1424#endif
1425
1426#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1427# include <math.h>
1428# ifndef _cplusplus
1429# define Perl_fp_class(x) class(x)
1430# else
1431# define Perl_fp_class(x) _class(x)
1432# endif
1433# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1434# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1435# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1436# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1437# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1438# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1439# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1440# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1441# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1442# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1443# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1444# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1445# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1446# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1447# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1448#endif
1449
1450/* rumor has it that Win32 has _isnan() */
1451
1452#ifndef Perl_isnan
a3540c92 1453# ifdef HAS_ISNAN
758a5d79
JH		 1454# define Perl_isnan(x) isnan((NV)x)
1455# else
1456# ifdef Perl_fp_class_nan
1457# define Perl_isnan(x) Perl_fp_class_nan(x)
1458# else
1459# ifdef HAS_UNORDERED
1460# define Perl_isnan(x) unordered((x), 0.0)
1461# else
1462# define Perl_isnan(x) ((x)!=(x))
1463# endif
1464# endif
1465# endif
1466#endif
1467
ca6c63e1
JH		 1468#ifdef UNDER_CE
1469int isnan(double d);
1470#endif
1471
758a5d79
JH		 1472#ifndef Perl_isinf
1473# ifdef HAS_ISINF
1474# define Perl_isinf(x) isinf((NV)x)
a3540c92 1475# else
758a5d79
JH		 1476# ifdef Perl_fp_class_inf
1477# define Perl_isinf(x) Perl_fp_class_inf(x)
1478# else
1479# define Perl_isinf(x) ((x)==NV_INF)
1480# endif
1481# endif
1482#endif
1483
1484#ifndef Perl_isfinite
1485# ifdef HAS_FINITE
1486# define Perl_isfinite(x) finite((NV)x)
1487# else
1488# ifdef HAS_ISFINITE
1489# define Perl_isfinite(x) isfinite(x)
1490# else
1491# ifdef Perl_fp_class_finite
1492# define Perl_isfinite(x) Perl_fp_class_finite(x)
1493# else
1494# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1495# endif
1496# endif
a3540c92 1497# endif
65202027
DS		 1498#endif
1499
a36244b7
JH		 1500/* The default is to use Perl's own atof() implementation (in numeric.c).
1501 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1502 * it is however best to use the native implementation of atof.
1503 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1504 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1505 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1506 * you may need to be using a different function than atof! */
a36244b7
JH		 1507
1508#ifndef USE_PERL_ATOF
1509# ifndef _UNICOS
1510# define USE_PERL_ATOF
1511# endif
1512#else
1513# if USE_PERL_ATOF == 0
1514# undef USE_PERL_ATOF
1515# endif
1516#endif
1517
1518#ifdef USE_PERL_ATOF
1519# define Perl_atof(s) Perl_my_atof(s)
1520# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1521#else
1522# define Perl_atof(s) (NV)atof(s)
1523# define Perl_atof2(s, n) ((n) = atof(s))
1524#endif
cf2093f6 1525
d460ef45 1526/* Previously these definitions used hardcoded figures.
760ac839
LW		 1527 * It is hoped these formula are more portable, although
1528 * no data one way or another is presently known to me.
1529 * The "PERL_" names are used because these calculated constants
1530 * do not meet the ANSI requirements for LONG_MAX, etc., which
1531 * need to be constants acceptable to #if - kja
1532 * define PERL_LONG_MAX 2147483647L
1533 * define PERL_LONG_MIN (-LONG_MAX - 1)
1534 * define PERL ULONG_MAX 4294967295L
1535 */
1536
1537#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1538# include <limits.h>
760ac839 1539#endif
205f51d8
AS		 1540/* Included values.h above if necessary; still including limits.h down here,
1541 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1542
99abf803 1543/*
1544 * Try to figure out max and min values for the integral types. THE CORRECT
1545 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1546 * following hacks are used if neither limits.h or values.h provide them:
1547 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1548 * for types < int: (unsigned TYPE)~(unsigned)0
1549 * The argument to ~ must be unsigned so that later signed->unsigned
1550 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1551 * and it must not be smaller than int because ~ does integral promotion.
1552 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1553 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1554 * The latter is a hack which happens to work on some machines but
1555 * does *not* catch any random system, or things like integer types
1556 * with NaN if that is possible.
1557 *
1558 * All of the types are explicitly cast to prevent accidental loss of
1559 * numeric range, and in the hope that they will be less likely to confuse
1560 * over-eager optimizers.
1561 *
1562 */
27d4fb96 1563
99abf803 1564#define PERL_UCHAR_MIN ((unsigned char)0)
1565
1566#ifdef UCHAR_MAX
1567# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1568#else
99abf803 1569# ifdef MAXUCHAR
1570# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1571# else
99abf803 1572# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1573# endif
1574#endif
d460ef45 1575
99abf803 1576/*
1577 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1578 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1579 * depending on local options. Until Configure detects this (or at least
1580 * detects whether the "signed" keyword is available) the CHAR ranges
1581 * will not be included. UCHAR functions normally.
1582 * - kja
1583 */
27d4fb96 1584
99abf803 1585#define PERL_USHORT_MIN ((unsigned short)0)
1586
1587#ifdef USHORT_MAX
1588# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1589#else
99abf803 1590# ifdef MAXUSHORT
1591# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1592# else
ef2f54b0
CB		 1593# ifdef USHRT_MAX
1594# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1595# else
1596# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1597# endif
27d4fb96 1598# endif
1599#endif
1600
27d4fb96 1601#ifdef SHORT_MAX
99abf803 1602# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1603#else
1604# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1605# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1606# else
ef2f54b0
CB		 1607# ifdef SHRT_MAX
1608# define PERL_SHORT_MAX ((short)SHRT_MAX)
1609# else
1610# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1611# endif
27d4fb96 1612# endif
1613#endif
1614
1615#ifdef SHORT_MIN
99abf803 1616# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1617#else
1618# ifdef MINSHORT
99abf803 1619# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1620# else
ef2f54b0
CB		 1621# ifdef SHRT_MIN
1622# define PERL_SHORT_MIN ((short)SHRT_MIN)
1623# else
1624# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1625# endif
27d4fb96 1626# endif
1627#endif
1628
99abf803 1629#ifdef UINT_MAX
1630# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1631#else
99abf803 1632# ifdef MAXUINT
1633# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1634# else
99abf803 1635# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1636# endif
1637#endif
1638
99abf803 1639#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1640
1641#ifdef INT_MAX
99abf803 1642# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1643#else
1644# ifdef MAXINT /* Often used in <values.h> */
99abf803 1645# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1646# else
99abf803 1647# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1648# endif
1649#endif
1650
1651#ifdef INT_MIN
99abf803 1652# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1653#else
1654# ifdef MININT
99abf803 1655# define PERL_INT_MIN ((int)MININT)
27d4fb96 1656# else
1657# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1658# endif
1659#endif
1660
99abf803 1661#ifdef ULONG_MAX
1662# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1663#else
99abf803 1664# ifdef MAXULONG
1665# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1666# else
99abf803 1667# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1668# endif
1669#endif
1670
99abf803 1671#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1672
760ac839 1673#ifdef LONG_MAX
99abf803 1674# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1675#else
1676# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1677# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1678# else
99abf803 1679# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1680# endif
1681#endif
1682
1683#ifdef LONG_MIN
99abf803 1684# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1685#else
1686# ifdef MINLONG
99abf803 1687# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1688# else
27d4fb96 1689# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1690# endif
1691#endif
1692
d7d93a81 1693#ifdef UV_IS_QUAD
99abf803 1694
99abf803 1695# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1696# define PERL_UQUAD_MIN ((UV)0)
99abf803 1697# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1698# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1699
79072805
LW		 1700#endif
1701
22f7c9c9
JH		 1702#ifdef MYMALLOC
1703# include "malloc_ctl.h"
1704#endif
1705
830247a4 1706struct RExC_state_t;
880b20b6 1707
ee0007ab 1708typedef MEM_SIZE STRLEN;
450a55e4 1709
79072805
LW		 1710typedef struct op OP;
1711typedef struct cop COP;
1712typedef struct unop UNOP;
1713typedef struct binop BINOP;
1714typedef struct listop LISTOP;
1715typedef struct logop LOGOP;
79072805
LW		 1716typedef struct pmop PMOP;
1717typedef struct svop SVOP;
7934575e 1718typedef struct padop PADOP;
79072805 1719typedef struct pvop PVOP;
79072805
LW		 1720typedef struct loop LOOP;
1721
93a17b20 1722typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1723
1724/* Amdahl's <ksync.h> has struct sv */
1725/* SGI's <sys/sema.h> has struct sv */
1726#if defined(UTS) || defined(__sgi)
1727# define STRUCT_SV perl_sv
b8d3c5db
JH		 1728#else
1729# define STRUCT_SV sv
1730#endif
1731typedef struct STRUCT_SV SV;
79072805
LW		 1732typedef struct av AV;
1733typedef struct hv HV;
1734typedef struct cv CV;
378cc40b 1735typedef struct regexp REGEXP;
79072805 1736typedef struct gp GP;
0c30d9ec 1737typedef struct gv GV;
8990e307 1738typedef struct io IO;
c09156bb 1739typedef struct context PERL_CONTEXT;
79072805
LW		 1740typedef struct block BLOCK;
1741
1742typedef struct magic MAGIC;
ed6116ce 1743typedef struct xrv XRV;
79072805
LW		 1744typedef struct xpv XPV;
1745typedef struct xpviv XPVIV;
ff68c719 1746typedef struct xpvuv XPVUV;
79072805
LW		 1747typedef struct xpvnv XPVNV;
1748typedef struct xpvmg XPVMG;
1749typedef struct xpvlv XPVLV;
1750typedef struct xpvav XPVAV;
1751typedef struct xpvhv XPVHV;
1752typedef struct xpvgv XPVGV;
1753typedef struct xpvcv XPVCV;
1754typedef struct xpvbm XPVBM;
1755typedef struct xpvfm XPVFM;
8990e307 1756typedef struct xpvio XPVIO;
79072805
LW		 1757typedef struct mgvtbl MGVTBL;
1758typedef union any ANY;
5f7fde29
GS		 1759typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1760typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1761typedef struct clone_params CLONE_PARAMS;
1762
8d063cd8 1763
378cc40b 1764#include "handy.h"
a0d0e21e 1765
6b8eaf93 1766#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1767# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1768# define USE_64_BIT_RAWIO /* implicit */
1769# endif
4564133c
JH		 1770#endif
1771
6b8eaf93
JH		 1772/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1773 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1774 * however, because operating systems like to do that themself. */
1775#ifndef FSEEKSIZE
1776# ifdef HAS_FSEEKO
1777# define FSEEKSIZE LSEEKSIZE
1778# else
1779# define FSEEKSIZE LONGSIZE
d460ef45 1780# endif
6b8eaf93
JH		 1781#endif
1782
1783#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1784# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1785# define USE_64_BIT_STDIO /* implicit */
1786# endif
1787#endif
4564133c 1788
09458382 1789#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1790# ifdef HAS_OFF64_T
1791# undef Off_t
1792# define Off_t off64_t
1793# undef LSEEKSIZE
1794# define LSEEKSIZE 8
5ff3f7a4 1795# endif
d9b3e12d
JH		 1796/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1797 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1798 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1799# if defined(USE_OPEN64)
1800# define open open64
5ff3f7a4 1801# endif
d9b3e12d
JH		 1802# if defined(USE_LSEEK64)
1803# define lseek lseek64
6b8eaf93
JH		 1804# else
1805# if defined(USE_LLSEEK)
1806# define lseek llseek
1807# endif
d9b3e12d
JH		 1808# endif
1809# if defined(USE_STAT64)
1810# define stat stat64
1811# endif
1812# if defined(USE_FSTAT64)
1813# define fstat fstat64
1814# endif
1815# if defined(USE_LSTAT64)
1816# define lstat lstat64
1817# endif
1818# if defined(USE_FLOCK64)
1819# define flock flock64
1820# endif
1821# if defined(USE_LOCKF64)
1822# define lockf lockf64
1823# endif
1824# if defined(USE_FCNTL64)
1825# define fcntl fcntl64
1826# endif
1827# if defined(USE_TRUNCATE64)
1828# define truncate truncate64
1829# endif
1830# if defined(USE_FTRUNCATE64)
1831# define ftruncate ftruncate64
1832# endif
1833#endif
1834
1835#ifdef USE_64_BIT_STDIO
1836# ifdef HAS_FPOS64_T
1837# undef Fpos_t
1838# define Fpos_t fpos64_t
1839# endif
1840/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1841 * will trigger defines like the ones below. Some 64-bit environments,
1842 * however, do not. */
1843# if defined(USE_FOPEN64)
1844# define fopen fopen64
1845# endif
1846# if defined(USE_FSEEK64)
6b8eaf93 1847# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1848# endif
1849# if defined(USE_FTELL64)
6b8eaf93 1850# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1851# endif
1852# if defined(USE_FSETPOS64)
1853# define fsetpos fsetpos64
1854# endif
1855# if defined(USE_FGETPOS64)
1856# define fgetpos fgetpos64
1857# endif
1858# if defined(USE_TMPFILE64)
1859# define tmpfile tmpfile64
1860# endif
1861# if defined(USE_FREOPEN64)
1862# define freopen freopen64
5ff3f7a4
GS		 1863# endif
1864#endif
1865
af8b425d 1866#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1867# include "iperlsys.h"
1868#endif
1869
6f71a643 1870#if defined(__OPEN_VM)
19848b3f
JH		 1871# include "vmesa/vmesaish.h"
1872# define ISHISH "vmesa"
6f71a643
JH		 1873#endif
1874
748a9306 1875#ifdef DOSISH
19848b3f
JH		 1876# if defined(OS2)
1877# include "os2ish.h"
1878# else
1879# include "dosish.h"
1880# endif
1881# define ISHISH "dos"
1882#endif
1883
1884#if defined(VMS)
748a9306 1885# include "vmsish.h"
96e176bf 1886# include "embed.h"
19848b3f
JH		 1887# define ISHISH "vms"
1888#endif
1889
1890#if defined(PLAN9)
1891# include "./plan9/plan9ish.h"
1892# define ISHISH "plan9"
1893#endif
1894
1895#if defined(MPE)
1896# include "mpeix/mpeixish.h"
1897# define ISHISH "mpeix"
1898#endif
1899
1900#if defined(__VOS__)
196918b0
PG		 1901# ifdef __GNUC__
1902# include "./vos/vosish.h"
1903# else
1904# include "vos/vosish.h"
1905# endif
19848b3f
JH		 1906# define ISHISH "vos"
1907#endif
1908
1909#if defined(EPOC)
1910# include "epocish.h"
1911# define ISHISH "epoc"
1912#endif
1913
1914#if defined(MACOS_TRADITIONAL)
1915# include "macos/macish.h"
1916# ifndef NO_ENVIRON_ARRAY
1917# define NO_ENVIRON_ARRAY
0c30d9ec 1918# endif
19848b3f
JH		 1919# define ISHISH "macos classic"
1920#endif
1921
efca5cc6
JH		 1922#if defined(__BEOS__)
1923# include "beos/beosish.h"
1924# define ISHISH "beos"
1925#endif
1926
19848b3f
JH		 1927#ifndef ISHISH
1928# include "unixish.h"
1929# define ISHISH "unix"
13b6e58c
JH		 1930#endif
1931
1932#ifndef NO_ENVIRON_ARRAY
1933# define USE_ENVIRON_ARRAY
1934#endif
32f822de 1935
c77b533b
JH		 1936/*
1937 * initialise to avoid floating-point exceptions from overflow, etc
1938 */
1939#ifndef PERL_FPU_INIT
1940# ifdef HAS_FPSETMASK
1941# if HAS_FLOATINGPOINT_H
1942# include <floatingpoint.h>
1943# endif
1944# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1945# else
2f42fcb0 1946# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 1947# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 1948# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1949# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1950# else
1951# define PERL_FPU_INIT
2f42fcb0 1952
7014c407 1953# endif
c77b533b
JH		 1954# endif
1955#endif
b35112e7
CS		 1956#ifndef PERL_FPU_PRE_EXEC
1957# define PERL_FPU_PRE_EXEC {
1958# define PERL_FPU_POST_EXEC }
1959#endif
c77b533b 1960
ed344e4f
IZ		 1961#ifndef PERL_SYS_INIT3
1962# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1963#endif
1964
be708cc0
JH		 1965#ifndef PERL_WRITE_MSG_TO_CONSOLE
1966# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1967#endif
1968
0f31cffe
GS		 1969#ifndef MAXPATHLEN
1970# ifdef PATH_MAX
b990c8b2
JH		 1971# ifdef _POSIX_PATH_MAX
1972# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1973/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1974 * included the null byte or not. Later amendments of POSIX,
1975 * XPG4, the Austin Group, and the Single UNIX Specification
1976 * all explicitly include the null byte in the PATH_MAX.
1977 * Ditto for _POSIX_PATH_MAX. */
1978# define MAXPATHLEN PATH_MAX
b990c8b2 1979# else
09448d78 1980# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1981# endif
1982# else
1983# define MAXPATHLEN (PATH_MAX+1)
1984# endif
0f31cffe 1985# else
b990c8b2 1986# ifdef _POSIX_PATH_MAX
09448d78 1987# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1988# else
1989# define MAXPATHLEN 1024 /* Err on the large side. */
1990# endif
0f31cffe
GS		 1991# endif
1992#endif
1993
3db8f154 1994/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1995 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1996 * this results in many functions being undeclared which bothers C++
1997 * May make sense to have threads after "*ish.h" anyway
1998 */
1999
3db8f154 2000#if defined(USE_ITHREADS)
2986a63f
JH		 2001# ifdef NETWARE
2002# include <nw5thread.h>
2003# else
32f822de
GS		 2004# ifdef FAKE_THREADS
2005# include "fakethr.h"
2006# else
2007# ifdef WIN32
2008# include <win32thread.h>
2009# else
dd96f567
IZ		 2010# ifdef OS2
2011# include "os2thread.h"
2012# else
7f3d1cf1 2013# ifdef I_MACH_CTHREADS
bdd66968 2014# include <mach/cthreads.h>
8f1f23e8 2015# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2016# define MUTEX_INIT_CALLS_MALLOC
2017# endif
7f3d1cf1
BH		 2018typedef cthread_t perl_os_thread;
2019typedef mutex_t perl_mutex;
2020typedef condition_t perl_cond;
2021typedef void * perl_key;
2022# else /* Posix threads */
1f5ae88c
JH		 2023# ifdef I_PTHREAD
2024# include <pthread.h>
2025# endif
7f3d1cf1
BH		 2026typedef pthread_t perl_os_thread;
2027typedef pthread_mutex_t perl_mutex;
2028typedef pthread_cond_t perl_cond;
2029typedef pthread_key_t perl_key;
2030# endif /* I_MACH_CTHREADS */
dd96f567 2031# endif /* OS2 */
32f822de
GS		 2032# endif /* WIN32 */
2033# endif /* FAKE_THREADS */
2986a63f 2034#endif /* NETWARE */
3db8f154 2035#endif /* USE_ITHREADS */
c5be433b 2036
66a93824 2037#if defined(WIN32)
1feb2720 2038# include "win32.h"
c5be433b
GS		 2039#endif
2040
2986a63f
JH		 2041#ifdef NETWARE
2042# include "netware.h"
2043#endif
2044
68dc0745 2045#ifdef VMS
6b88bc9c 2046# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2047# define STATUS_NATIVE_EXPORT \
d98f61e7 2048 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2049# define STATUS_NATIVE_SET(n) \
2050 STMT_START { \
6b88bc9c
GS		 2051 PL_statusvalue_vms = (n); \
2052 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2053 PL_statusvalue = -1; \
6b88bc9c 2054 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2055 PL_statusvalue = 0; \
6b88bc9c
GS		 2056 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2057 PL_statusvalue = 1 << 8; \
68dc0745 2058 else \
6b88bc9c 2059 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2060 } STMT_END
3280af22 2061# define STATUS_POSIX PL_statusvalue
68dc0745 2062# ifdef VMSISH_STATUS
2063# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2064# else
2065# define STATUS_CURRENT STATUS_POSIX
2066# endif
2067# define STATUS_POSIX_SET(n) \
2068 STMT_START { \
3280af22
NIS		 2069 PL_statusvalue = (n); \
2070 if (PL_statusvalue != -1) { \
2071 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2072 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2073 } \
6b88bc9c 2074 else PL_statusvalue_vms = -1; \
68dc0745 2075 } STMT_END
6b88bc9c
GS		 2076# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2077# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2078#else
2079# define STATUS_NATIVE STATUS_POSIX
2080# define STATUS_NATIVE_EXPORT STATUS_POSIX
2081# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2082# define STATUS_POSIX PL_statusvalue
68dc0745 2083# define STATUS_POSIX_SET(n) \
2084 STMT_START { \
3280af22
NIS		 2085 PL_statusvalue = (n); \
2086 if (PL_statusvalue != -1) \
2087 PL_statusvalue &= 0xFFFF; \
68dc0745 2088 } STMT_END
2089# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2090# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2091# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2092#endif
2093
cc3604b1
GS		 2094/* flags in PL_exit_flags for nature of exit() */
2095#define PERL_EXIT_EXPECTED 0x01
31d77e54 2096#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2097
0b94c7bb 2098#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2099# define MEMBER_TO_FPTR(name) name
2100#endif
2101
2102/* format to use for version numbers in file/directory names */
273cf8d1 2103/* XXX move to Configure? */
a7cb1f99 2104#ifndef PERL_FS_VER_FMT
273cf8d1 2105# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2106#endif
2107
45bc9206 2108/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2109 * performance issue, so we allow people to disable it. Also, if
2110 * we are using stdio, there are broken implementations of fflush(NULL)
2111 * out there, Solaris being the most prominent.
45bc9206
GS		 2112 */
2113#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2114# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2115# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2116# else
2117# ifdef FFLUSH_ALL
2118# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2119# else
c5be433b 2120# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2121# endif
66fe083f 2122# endif
45bc9206
GS		 2123#endif
2124
7766f137
GS		 2125#ifndef PERL_WAIT_FOR_CHILDREN
2126# define PERL_WAIT_FOR_CHILDREN NOOP
2127#endif
2128
ba869deb 2129/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2130#ifndef PERL_SET_INTERP
2131# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2132#endif
2133
2134#ifndef PERL_GET_INTERP
2135# define PERL_GET_INTERP (PL_curinterp)
2136#endif
2137
54aff467 2138#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2139# ifdef MULTIPLICITY
ba869deb 2140# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2141# endif
ba869deb
GS		 2142# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2143#endif
2144
894356b3
GS		 2145#ifndef SVf
2146# ifdef CHECK_FORMAT
2147# define SVf "p"
84c133a0
RB		 2148# ifndef SVf256
2149# define SVf256 SVf
2150# endif
894356b3
GS		 2151# else
2152# define SVf "_"
d460ef45 2153# endif
894356b3
GS		 2154#endif
2155
84c133a0
RB		 2156#ifndef SVf256
2157# define SVf256 ".256"SVf
2158#endif
2159
d2560b70
RB		 2160#ifndef UVf
2161# ifdef CHECK_FORMAT
2162# define UVf UVuf
2163# else
2164# define UVf "Vu"
d460ef45 2165# endif
d2560b70
RB		 2166#endif
2167
2168#ifndef VDf
2169# ifdef CHECK_FORMAT
2170# define VDf "p"
2171# else
2172# define VDf "vd"
d460ef45 2173# endif
d2560b70
RB		 2174#endif
2175
b3fe4827
RB		 2176#ifndef Nullformat
2177# ifdef CHECK_FORMAT
2178# define Nullformat "%s",""
2179# else
2180# define Nullformat Nullch
2181# endif
2182#endif
2183
287c8091
RB		 2184#ifndef __attribute__format__
2185# ifdef CHECK_FORMAT
2186# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2187# else
2188# define __attribute__format__(x,y,z)
2189# endif
2190#endif
2191
3fc1aec6 2192/* Some unistd.h's give a prototype for pause() even though
2193 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2194 below to be rejected by the compiler. Sigh.
3fc1aec6 2195*/
2196#ifdef HAS_PAUSE
2197#define Pause pause
2198#else
2199#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2200#endif
2201
2202#ifndef IOCPARM_LEN
2203# ifdef IOCPARM_MASK
2204 /* on BSDish systes we're safe */
2205# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2206# else
2207 /* otherwise guess at what's safe */
2208# define IOCPARM_LEN(x) 256
2209# endif
a0d0e21e
LW		 2210#endif
2211
1761cee5 2212#if defined(__CYGWIN__)
521e0776
GS		 2213/* USEMYBINMODE
2214 * This symbol, if defined, indicates that the program should
16fe6d59 2215 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2216 * that a file is in "binary" mode -- that is, that no translation
2217 * of bytes occurs on read or write operations.
2218 */
36894f0b 2219# define USEMYBINMODE /**/
77a40698 2220# include <io.h> /* for setmode() prototype */
16fe6d59 2221# define my_binmode(fp, iotype, mode) \
77a40698 2222 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2223#endif
2224
88d10794
JH		 2225#ifdef __CYGWIN__
2226void init_os_extras(void);
2227#endif
2228
cea2e8a9
GS		 2229#ifdef UNION_ANY_DEFINITION
2230UNION_ANY_DEFINITION;
2231#else
2232union any {
2233 void* any_ptr;
2234 I32 any_i32;
2235 IV any_iv;
2236 long any_long;
9febdf04 2237 bool any_bool;
c76ac1ee 2238 void (*any_dptr) (void*);
acfe0abc 2239 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2240};
2241#endif
2242
acfe0abc 2243typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2244
2245#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2246#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2247#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2248
c5078cac
JH		 2249#if defined(_AIX) && !defined(_AIX43)
2250#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2251/* We cannot include <crypt.h> to get the struct crypt_data
2252 * because of setkey prototype problems when threading */
2253typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2254 /* From OSF, Not needed in AIX
2255 char C[28], D[28];
2256 */
2257 char E[48];
2258 char KS[16][48];
2259 char block[66];
2260 char iobuf[16];
2261} CRYPTD;
2262#endif /* threading */
2263#endif /* AIX */
2264
af8b425d 2265#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2266# include "iperlsys.h"
2267#endif
504f80c1 2268
d10dc2ae
JH		 2269/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2270 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2271 * defined by Configure, despite their names being similar to the
2272 * other defines like USE_ITHREADS. Configure in fact knows nothing
2273 * about the randomised hashes. Therefore to enable/disable the hash
2274 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2275#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2276# define USE_HASH_SEED
504f80c1
JH		 2277#endif
2278
378cc40b 2279#include "regexp.h"
79072805 2280#include "sv.h"
378cc40b 2281#include "util.h"
8d063cd8 2282#include "form.h"
79072805 2283#include "gv.h"
dd2155a4 2284#include "pad.h"
79072805 2285#include "cv.h"
abdd5c84 2286#include "opnames.h"
79072805
LW		 2287#include "op.h"
2288#include "cop.h"
2289#include "av.h"
2290#include "hv.h"
2291#include "mg.h"
2292#include "scope.h"
4438c4b7 2293#include "warnings.h"
a0ed51b3 2294#include "utf8.h"
8d063cd8 2295
7fae4e64
GS		 2296/* Current curly descriptor */
2297typedef struct curcur CURCUR;
2298struct curcur {
2299 int parenfloor; /* how far back to strip paren data */
2300 int cur; /* how many instances of scan we've matched */
2301 int min; /* the minimal number of scans to match */
2302 int max; /* the maximal number of scans to match */
2303 int minmod; /* whether to work our way up or down */
2304 regnode * scan; /* the thing to match */
2305 regnode * next; /* what has to match after it */
2306 char * lastloc; /* where we started matching this scan */
2307 CURCUR * oldcc; /* current curly before we started this one */
2308};
2309
2310typedef struct _sublex_info SUBLEXINFO;
2311struct _sublex_info {
2312 I32 super_state; /* lexer state to save */
2313 I32 sub_inwhat; /* "lex_inwhat" to use */
2314 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2315 char *super_bufptr; /* PL_bufptr that was */
2316 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2317};
2318
455ece5e 2319typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2320
2c2d71f5 2321struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2322struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2323
2324typedef I32 CHECKPOINT;
76e3520e 2325
5f7fde29
GS		 2326struct ptr_tbl_ent {
2327 struct ptr_tbl_ent* next;
2328 void* oldval;
2329 void* newval;
d18c6117
GS		 2330};
2331
5f7fde29
GS		 2332struct ptr_tbl {
2333 struct ptr_tbl_ent** tbl_ary;
2334 UV tbl_max;
2335 UV tbl_items;
d18c6117
GS		 2336};
2337
450a55e4 2338#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2339# define I286
2340#endif
2341
fe14fcc3
LW		 2342#if defined(htonl) && !defined(HAS_HTONL)
2343#define HAS_HTONL
ae986130 2344#endif
fe14fcc3
LW		 2345#if defined(htons) && !defined(HAS_HTONS)
2346#define HAS_HTONS
ae986130 2347#endif
fe14fcc3
LW		 2348#if defined(ntohl) && !defined(HAS_NTOHL)
2349#define HAS_NTOHL
ae986130 2350#endif
fe14fcc3
LW		 2351#if defined(ntohs) && !defined(HAS_NTOHS)
2352#define HAS_NTOHS
ae986130 2353#endif
fe14fcc3 2354#ifndef HAS_HTONL
d9d8d8de 2355#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2356#define HAS_HTONS
2357#define HAS_HTONL
2358#define HAS_NTOHS
2359#define HAS_NTOHL
a687059c
LW		 2360#define MYSWAP
2361#define htons my_swap
2362#define htonl my_htonl
2363#define ntohs my_swap
2364#define ntohl my_ntohl
2365#endif
2366#else
d9d8d8de 2367#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2368#undef HAS_HTONS
2369#undef HAS_HTONL
2370#undef HAS_NTOHS
2371#undef HAS_NTOHL
a687059c
LW		 2372#endif
2373#endif
2374
988174c1
LW		 2375/*
2376 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2377 * -DWS
2378 */
2379#if BYTEORDER != 0x1234
2380# define HAS_VTOHL
2381# define HAS_VTOHS
2382# define HAS_HTOVL
2383# define HAS_HTOVS
c67712b2 2384# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2385# define vtohl(x) ((((x)&0xFF)<<24) \
2386 +(((x)>>24)&0xFF) \
2387 +(((x)&0x0000FF00)<<8) \
2388 +(((x)&0x00FF0000)>>8) )
2389# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2390# define htovl(x) vtohl(x)
2391# define htovs(x) vtohs(x)
2392# endif
2393 /* otherwise default to functions in util.c */
2a8c3029 2394#ifndef htovs
c623ac67
GS		 2395short htovs(short n);
2396short vtohs(short n);
2397long htovl(long n);
2398long vtohl(long n);
988174c1 2399#endif
2a8c3029 2400#endif
988174c1 2401
3bb7c1b4
JH		 2402/* *MAX Plus 1. A floating point value.
2403 Hopefully expressed in a way that dodgy floating point can't mess up.
2404 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2405 is added to it
2406 May find that some broken compiler will want the value cast to I32.
2407 [after the shift, as signed >> may not be as secure as unsigned >>]
2408*/
2409#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2410#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2411/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2412 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2413 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2414*/
2415#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2416
3bb7c1b4
JH		 2417#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2418#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2419#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2420
2421/* This may look like unnecessary jumping through hoops, but converting
2422 out of range floating point values to integers *is* undefined behaviour,
2423 and it is starting to bite.
2424*/
2425#ifndef CAST_INLINE
65202027 2426#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2427#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2428#define I_V(what) (cast_iv((NV)(what)))
2429#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2430#else
2431#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2432 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2433 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2434#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2435 : ((n) < U32_MAX_P1 ? (U32) (n) \
2436 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2437#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2438 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2439 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2440#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2441 : ((n) < UV_MAX_P1 ? (UV) (n) \
2442 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2443#endif
2444
2445#define U_S(what) ((U16)U_32(what))
2446#define U_I(what) ((unsigned int)U_32(what))
2447#define U_L(what) U_32(what)
ed6116ce 2448
2d4389e4
JH		 2449/* These do not care about the fractional part, only about the range. */
2450#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2451#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2452
25da4f38
IZ		 2453/* Used with UV/IV arguments: */
2454 /* XXXX: need to speed it up */
2455#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2456#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2457
352d5a3a
LW		 2458#ifndef MAXSYSFD
2459# define MAXSYSFD 2
2460#endif
ee0007ab 2461
79072805 2462#ifndef __cplusplus
e1caacb4 2463#ifndef UNDER_CE
20ce7b12
GS		 2464Uid_t getuid (void);
2465Uid_t geteuid (void);
2466Gid_t getgid (void);
2467Gid_t getegid (void);
79072805 2468#endif
e1caacb4 2469#endif
8d063cd8 2470
0c30d9ec 2471#ifndef Perl_debug_log
bf49b057
GS		 2472# define Perl_debug_log PerlIO_stderr()
2473#endif
2474
2475#ifndef Perl_error_log
2476# define Perl_error_log (PL_stderrgv \
6b78add2 2477 && isGV(PL_stderrgv) \
01bb7c6d 2478 && GvIOp(PL_stderrgv) \
42de951c 2479 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2480 ? IoOFP(GvIOp(PL_stderrgv)) \
2481 : PerlIO_stderr())
0c30d9ec 2482#endif
3967c732 2483
aea4f609
DM		 2484
2485#define DEBUG_p_FLAG 0x00000001 /* 1 */
2486#define DEBUG_s_FLAG 0x00000002 /* 2 */
2487#define DEBUG_l_FLAG 0x00000004 /* 4 */
2488#define DEBUG_t_FLAG 0x00000008 /* 8 */
2489#define DEBUG_o_FLAG 0x00000010 /* 16 */
2490#define DEBUG_c_FLAG 0x00000020 /* 32 */
2491#define DEBUG_P_FLAG 0x00000040 /* 64 */
2492#define DEBUG_m_FLAG 0x00000080 /* 128 */
2493#define DEBUG_f_FLAG 0x00000100 /* 256 */
2494#define DEBUG_r_FLAG 0x00000200 /* 512 */
2495#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2496#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2497#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2498#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2499#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2500#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2501#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2502#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2503#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2504#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2505#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2506#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM		 2507
2508#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2509#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2510 that something was done? */
aea4f609 2511
bd16a5f0
IZ		 2512# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2513# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2514# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2515# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2516# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2517# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2518# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2519# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2520# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2521# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2522# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2523# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2524# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2525# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2526# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2527# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2528# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2529# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2530# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2531# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2532# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2533# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2534
3967c732 2535#ifdef DEBUGGING
aea4f609
DM		 2536
2537# undef YYDEBUG
2538# define YYDEBUG 1
2539
bd16a5f0
IZ		 2540# define DEBUG_p_TEST DEBUG_p_TEST_
2541# define DEBUG_s_TEST DEBUG_s_TEST_
2542# define DEBUG_l_TEST DEBUG_l_TEST_
2543# define DEBUG_t_TEST DEBUG_t_TEST_
2544# define DEBUG_o_TEST DEBUG_o_TEST_
2545# define DEBUG_c_TEST DEBUG_c_TEST_
2546# define DEBUG_P_TEST DEBUG_P_TEST_
2547# define DEBUG_m_TEST DEBUG_m_TEST_
2548# define DEBUG_f_TEST DEBUG_f_TEST_
2549# define DEBUG_r_TEST DEBUG_r_TEST_
2550# define DEBUG_x_TEST DEBUG_x_TEST_
2551# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2552# define DEBUG_H_TEST DEBUG_H_TEST_
2553# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2554# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2555# define DEBUG_D_TEST DEBUG_D_TEST_
2556# define DEBUG_S_TEST DEBUG_S_TEST_
2557# define DEBUG_T_TEST DEBUG_T_TEST_
2558# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2559# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2560# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2561# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609 2562
488b0c7a
JH		 2563# define PERL_DEB(a) a
2564# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2565# define DEBUG_p(a) if (DEBUG_p_TEST) a
2566# define DEBUG_s(a) if (DEBUG_s_TEST) a
2567# define DEBUG_l(a) if (DEBUG_l_TEST) a
2568# define DEBUG_t(a) if (DEBUG_t_TEST) a
2569# define DEBUG_o(a) if (DEBUG_o_TEST) a
2570# define DEBUG_c(a) if (DEBUG_c_TEST) a
2571# define DEBUG_P(a) if (DEBUG_P_TEST) a
2572
969058bb
VK		 2573 /* Temporarily turn off memory debugging in case the a
2574 * does memory allocation, either directly or indirectly. */
acfe0abc 2575# define DEBUG_m(a) \
0b250b9e 2576 STMT_START { \
aea4f609 2577 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2578 } STMT_END
aea4f609 2579
5f80b19c
AMS		 2580# define DEBUG__(t, a) \
2581 STMT_START { \
2582 if (t) STMT_START {a;} STMT_END; \
2583 } STMT_END
2584
2585# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2586# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2587# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2588# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2589# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2590# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2591# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2592# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2593
3db8f154 2594# define DEBUG_S(a)
aea4f609 2595
5f80b19c
AMS		 2596# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2597# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2598# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2599# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2600
2601#else /* DEBUGGING */
2602
2603# define DEBUG_p_TEST (0)
2604# define DEBUG_s_TEST (0)
2605# define DEBUG_l_TEST (0)
2606# define DEBUG_t_TEST (0)
2607# define DEBUG_o_TEST (0)
2608# define DEBUG_c_TEST (0)
2609# define DEBUG_P_TEST (0)
2610# define DEBUG_m_TEST (0)
2611# define DEBUG_f_TEST (0)
2612# define DEBUG_r_TEST (0)
2613# define DEBUG_x_TEST (0)
2614# define DEBUG_u_TEST (0)
aea4f609
DM		 2615# define DEBUG_H_TEST (0)
2616# define DEBUG_X_TEST (0)
dd2155a4 2617# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2618# define DEBUG_D_TEST (0)
2619# define DEBUG_S_TEST (0)
2620# define DEBUG_T_TEST (0)
04932ac8 2621# define DEBUG_R_TEST (0)
1045810a 2622# define DEBUG_J_TEST (0)
d6721266 2623# define DEBUG_v_TEST (0)
46187eeb 2624# define DEBUG_C_TEST (0)
aea4f609 2625
488b0c7a
JH		 2626# define PERL_DEB(a)
2627# define PERL_DEBUG(a)
aea4f609
DM		 2628# define DEBUG_p(a)
2629# define DEBUG_s(a)
2630# define DEBUG_l(a)
2631# define DEBUG_t(a)
2632# define DEBUG_o(a)
2633# define DEBUG_c(a)
2634# define DEBUG_P(a)
2635# define DEBUG_m(a)
2636# define DEBUG_f(a)
2637# define DEBUG_r(a)
2638# define DEBUG_x(a)
2639# define DEBUG_u(a)
aea4f609
DM		 2640# define DEBUG_H(a)
2641# define DEBUG_X(a)
dd2155a4 2642# define DEBUG_Xv(a)
aea4f609
DM		 2643# define DEBUG_D(a)
2644# define DEBUG_S(a)
2645# define DEBUG_T(a)
04932ac8 2646# define DEBUG_R(a)
d6721266 2647# define DEBUG_v(a)
46187eeb 2648# define DEBUG_C(a)
aea4f609
DM		 2649#endif /* DEBUGGING */
2650
2651
b4ab917c
DM		 2652#define DEBUG_SCOPE(where) \
2653 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2654 where, PL_scopestack_ix, __FILE__, __LINE__)));
2655
2656
2657
2658
d1be9408 2659/* These constants should be used in preference to raw characters
14befaf4
DM		 2660 * when using magic. Note that some perl guts still assume
2661 * certain character properties of these constants, namely that
2662 * isUPPER() and toLOWER() may do useful mappings.
2663 *
2664 * Update the magic_names table in dump.c when adding/amending these
2665 */
2666
2667#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2668#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2669#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2670#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2671#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2672#define PERL_MAGIC_regdata 'D' /* Regex match position data
2673 (@+ and @- vars) */
2674#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2675#define PERL_MAGIC_env 'E' /* %ENV hash */
2676#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2677#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2678#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2679#define PERL_MAGIC_isa 'I' /* @ISA array */
2680#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2681#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2682#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2683#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2684#define PERL_MAGIC_mutex 'm' /* for lock op */
2685#define PERL_MAGIC_shared 'N' /* Shared between threads */
2686#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2687#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2688#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2689#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2690#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2691#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2692#define PERL_MAGIC_sig 'S' /* %SIG hash */
2693#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2694#define PERL_MAGIC_taint 't' /* Taintedness */
2695#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2696#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2697#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2698#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2699#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2700#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2701#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2702 smart parameter vivification */
2703#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2704#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2705#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2706#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2707#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2708
2709
fe14fcc3 2710#define YYMAXDEPTH 300
8d063cd8 2711
a6e633de 2712#ifndef assert /* <assert.h> might have been included somehow */
a446a88f 2713#ifdef DEBUGGING
488b0c7a 2714#define assert(what) PERL_DEB( { \
a446a88f
NIS		 2715 if (!(what)) { \
2716 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2717 __FILE__, __LINE__); \
2718 PerlProc_exit(1); \
2719 }})
2720#else
488b0c7a 2721#define assert(what) PERL_DEB( { \
79072805 2722 if (!(what)) { \
cea2e8a9 2723 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2724 __FILE__, __LINE__); \
cea2e8a9 2725 PerlProc_exit(1); \
79072805 2726 }})
a6e633de 2727#endif
a446a88f 2728#endif
8d063cd8 2729
450a55e4 2730struct ufuncs {
24f81a43
DM		 2731 I32 (*uf_val)(pTHX_ IV, SV*);
2732 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2733 IV uf_index;
450a55e4
LW		 2734};
2735
14befaf4 2736/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2737 * XS code wanting to be backward compatible can do something
2738 * like the following:
c745e42c 2739
24f81a43 2740#ifndef PERL_MG_UFUNC
24f81a43
DM		 2741#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2742#endif
2743
2744static PERL_MG_UFUNC(foo_get, index, val)
2745{
2746 sv_setsv(val, ...);
2747 return TRUE;
2748}
2749
2750-- Doug MacEachern
2751
2752*/
2753
fc9c74e6 2754#ifndef PERL_MG_UFUNC
24f81a43 2755#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2756#endif
24f81a43 2757
fe14fcc3 2758/* Fix these up for __STDC__ */
68dc0745 2759#ifndef DONT_DECLARE_STD
20ce7b12 2760char *mktemp (char*);
37bd1396 2761#ifndef atof
20ce7b12 2762double atof (const char*);
a0d0e21e 2763#endif
37bd1396 2764#endif
79072805 2765
352d5a3a 2766#ifndef STANDARD_C
fe14fcc3 2767/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2768Time_t time();
8d063cd8 2769struct tm *gmtime(), *localtime();
092bebab 2770#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2771char *(strchr)(), *(strrchr)();
2772char *(strcpy)(), *(strcat)();
2773#else
93a17b20 2774char *strchr(), *strrchr();
378cc40b 2775char *strcpy(), *strcat();
9d116dd7 2776#endif
352d5a3a 2777#endif /* ! STANDARD_C */
8d063cd8 2778
79072805
LW		 2779
2780#ifdef I_MATH
2781# include <math.h>
2782#else
32f822de 2783START_EXTERN_C
20ce7b12
GS		 2784 double exp (double);
2785 double log (double);
2786 double log10 (double);
2787 double sqrt (double);
2788 double frexp (double,int*);
2789 double ldexp (double,int);
2790 double modf (double,double*);
2791 double sin (double);
2792 double cos (double);
2793 double atan2 (double,double);
2794 double pow (double,double);
32f822de 2795END_EXTERN_C
79072805
LW		 2796#endif
2797
aa8b85de
JH		 2798#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2799# define NV_INF LDBL_INFINITY
2800#endif
2801#if !defined(NV_INF) && defined(DBL_INFINITY)
2802# define NV_INF (NV)DBL_INFINITY
2803#endif
2804#if !defined(NV_INF) && defined(INFINITY)
2805# define NV_INF (NV)INFINITY
2806#endif
2807#if !defined(NV_INF) && defined(INF)
2808# define NV_INF (NV)INF
2809#endif
2810#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2811# define NV_INF (NV)HUGE_VALL
2812#endif
2813#if !defined(NV_INF) && defined(HUGE_VAL)
2814# define NV_INF (NV)HUGE_VAL
2815#endif
2816
2817#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2818# if !defined(NV_NAN) && defined(LDBL_NAN)
2819# define NV_NAN LDBL_NAN
2820# endif
2821# if !defined(NV_NAN) && defined(LDBL_QNAN)
2822# define NV_NAN LDBL_QNAN
2823# endif
2824# if !defined(NV_NAN) && defined(LDBL_SNAN)
2825# define NV_NAN LDBL_SNAN
2826# endif
2827#endif
2828#if !defined(NV_NAN) && defined(DBL_NAN)
2829# define NV_NAN (NV)DBL_NAN
2830#endif
2831#if !defined(NV_NAN) && defined(DBL_QNAN)
2832# define NV_NAN (NV)DBL_QNAN
2833#endif
2834#if !defined(NV_NAN) && defined(DBL_SNAN)
2835# define NV_NAN (NV)DBL_SNAN
2836#endif
2837#if !defined(NV_NAN) && defined(QNAN)
2838# define NV_NAN (NV)QNAN
2839#endif
2840#if !defined(NV_NAN) && defined(SNAN)
2841# define NV_NAN (NV)SNAN
2842#endif
2843#if !defined(NV_NAN) && defined(NAN)
2844# define NV_NAN (NV)NAN
2845#endif
2846
a0d0e21e 2847#ifndef __cplusplus
8f1f23e8 2848# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2849char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2850# else
fd8cd3a3 2851# if !defined(WIN32) && !defined(VMS)
10bc17b6 2852#ifndef crypt
20ce7b12 2853char *crypt (const char*, const char*);
10bc17b6 2854#endif
5014db98 2855# endif /* !WIN32 */
8f1f23e8 2856# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2857# ifndef DONT_DECLARE_STD
2858# ifndef getenv
20ce7b12 2859char *getenv (const char*);
26618a56 2860# endif /* !getenv */
28ca6303 2861# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2862# ifdef _FILE_OFFSET_BITS
28ca6303 2863# if _FILE_OFFSET_BITS == 64
20ce7b12 2864Off_t lseek (int,Off_t,int);
0fc67700
JH		 2865# endif
2866# endif
bf0c440f 2867# endif
26618a56 2868# endif /* !DONT_DECLARE_STD */
10bc17b6 2869#ifndef getlogin
20ce7b12 2870char *getlogin (void);
10bc17b6 2871#endif
26618a56 2872#endif /* !__cplusplus */
79072805 2873
16d20bd9 2874#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2875#define UNLINK unlnk
20ce7b12 2876I32 unlnk (char*);
8d063cd8 2877#else
80252599 2878#define UNLINK PerlLIO_unlink
8d063cd8 2879#endif
a687059c 2880
fa0a29af
JH		 2881/* some versions of glibc are missing the setresuid() proto */
2882#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2883int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2884#endif
fa0a29af
JH		 2885/* some versions of glibc are missing the setresgid() proto */
2886#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2887int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2888#endif
2889
fe14fcc3 2890#ifndef HAS_SETREUID
85e6fe83
LW		 2891# ifdef HAS_SETRESUID
2892# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2893# define HAS_SETREUID
2894# endif
a687059c 2895#endif
fe14fcc3 2896#ifndef HAS_SETREGID
85e6fe83
LW		 2897# ifdef HAS_SETRESGID
2898# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2899# define HAS_SETREGID
2900# endif
a687059c 2901#endif
ee0007ab 2902
d543acb6 2903/* Sighandler_t defined in iperlsys.h */
ff68c719 2904
2905#ifdef HAS_SIGACTION
2906typedef struct sigaction Sigsave_t;
2907#else
2908typedef Sighandler_t Sigsave_t;
2909#endif
2910
ee0007ab
LW		 2911#define SCAN_DEF 0
2912#define SCAN_TR 1
2913#define SCAN_REPL 2
79072805
LW		 2914
2915#ifdef DEBUGGING
4633a7c4 2916# ifndef register
a0d0e21e
LW		 2917# define register
2918# endif
cea2e8a9 2919# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2920#else
cea2e8a9 2921# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2922#endif
2923
18f739ee 2924#ifdef MYMALLOC
772fe5b3 2925# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2926# define MALLOC_INIT \
2927 STMT_START { \
2928 PL_malloc_mutex = NULL; \
2929 MUTEX_INIT(&PL_malloc_mutex); \
2930 } STMT_END
2931# define MALLOC_TERM \
2932 STMT_START { \
2933 perl_mutex tmp = PL_malloc_mutex; \
2934 PL_malloc_mutex = NULL; \
2935 MUTEX_DESTROY(&tmp); \
2936 } STMT_END
2937# else
2938# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2939# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2940# endif
18f739ee
IZ		 2941#else
2942# define MALLOC_INIT
2943# define MALLOC_TERM
2944#endif
2945
b6d9d515 2946
0cb96387 2947typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2948typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2949typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2950typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2951
940cb80d 2952/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2953#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2954
8f1f23e8
W		 2955/* NeXT has problems with crt0.o globals */
2956#if defined(__DYNAMIC__) && \
6239f2da 2957 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 2958# if defined(NeXT) || defined(__NeXT)
2959# include <mach-o/dyld.h>
2960# define environ (*environ_pointer)
0c30d9ec 2961EXT char *** environ_pointer;
8f1f23e8 2962# else
6239f2da 2963# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 2964# include <crt_externs.h> /* for the env array */
2965# define environ (*_NSGetEnviron())
2966# endif
0c30d9ec 2967# endif
8f1f23e8
W		 2968#else
2969 /* VMS and some other platforms don't use the environ array */
13b6e58c 2970# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2971# if !defined(DONT_DECLARE_STD) || \
2972 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2973 defined(__sgi) || \
d460ef45 2974 defined(__DGUX)
8f1f23e8 2975extern char ** environ; /* environment variables supplied via exec */
a6c40364 2976# endif
8f1f23e8
W		 2977# endif
2978#endif
79072805 2979
73c4f7a1
GS		 2980START_EXTERN_C
2981
79072805 2982/* handy constants */
22c35a8c 2983EXTCONST char PL_warn_uninit[]
b89fed5f 2984 INIT("Use of uninitialized value%s%s");
22c35a8c 2985EXTCONST char PL_warn_nosemi[]
463ee0b2 2986 INIT("Semicolon seems to be missing");
22c35a8c 2987EXTCONST char PL_warn_reserved[]
463ee0b2 2988 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2989EXTCONST char PL_warn_nl[]
93a17b20 2990 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2991EXTCONST char PL_no_wrongref[]
a0d0e21e 2992 INIT("Can't use %s ref as %s ref");
22c35a8c 2993EXTCONST char PL_no_symref[]
748a9306 2994 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2995EXTCONST char PL_no_usym[]
8990e307 2996 INIT("Can't use an undefined value as %s reference");
22c35a8c 2997EXTCONST char PL_no_aelem[]
93a17b20 2998 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2999EXTCONST char PL_no_helem[]
93a17b20 3000 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3001EXTCONST char PL_no_modify[]
93a17b20 3002 INIT("Modification of a read-only value attempted");
22c35a8c 3003EXTCONST char PL_no_mem[]
93a17b20 3004 INIT("Out of memory!\n");
22c35a8c 3005EXTCONST char PL_no_security[]
463ee0b2 3006 INIT("Insecure dependency in %s%s");
22c35a8c 3007EXTCONST char PL_no_sock_func[]
93a17b20 3008 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3009EXTCONST char PL_no_dir_func[]
93a17b20 3010 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3011EXTCONST char PL_no_func[]
93a17b20 3012 INIT("The %s function is unimplemented");
22c35a8c 3013EXTCONST char PL_no_myglob[]
748a9306 3014 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3015EXTCONST char PL_no_localize_ref[]
3016 INIT("Can't localize through a reference");
93a17b20 3017
7575fa06 3018EXTCONST char PL_uuemap[65]
80252599
GS		 3019 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3020
3021
79072805 3022#ifdef DOINIT
22c35a8c
GS		 3023EXT char *PL_sig_name[] = { SIG_NAME };
3024EXT int PL_sig_num[] = { SIG_NUM };
79072805 3025#else
22c35a8c
GS		 3026EXT char *PL_sig_name[];
3027EXT int PL_sig_num[];
79072805
LW		 3028#endif
3029
3bd709b1 3030/* fast conversion and case folding tables */
bbce6d69 3031
79072805 3032#ifdef DOINIT
9d116dd7 3033#ifdef EBCDIC
22c35a8c 3034EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3035 0, 1, 2, 3, 4, 5, 6, 7,
3036 8, 9, 10, 11, 12, 13, 14, 15,
3037 16, 17, 18, 19, 20, 21, 22, 23,
3038 24, 25, 26, 27, 28, 29, 30, 31,
3039 32, 33, 34, 35, 36, 37, 38, 39,
3040 40, 41, 42, 43, 44, 45, 46, 47,
3041 48, 49, 50, 51, 52, 53, 54, 55,
3042 56, 57, 58, 59, 60, 61, 62, 63,
3043 64, 65, 66, 67, 68, 69, 70, 71,
3044 72, 73, 74, 75, 76, 77, 78, 79,
3045 80, 81, 82, 83, 84, 85, 86, 87,
3046 88, 89, 90, 91, 92, 93, 94, 95,
3047 96, 97, 98, 99, 100, 101, 102, 103,
3048 104, 105, 106, 107, 108, 109, 110, 111,
3049 112, 113, 114, 115, 116, 117, 118, 119,
3050 120, 121, 122, 123, 124, 125, 126, 127,
3051 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3052 'H', 'I', 138, 139, 140, 141, 142, 143,
3053 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3054 'Q', 'R', 154, 155, 156, 157, 158, 159,
3055 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3056 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3057 176, 177, 178, 179, 180, 181, 182, 183,
3058 184, 185, 186, 187, 188, 189, 190, 191,
3059 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3060 'h', 'i', 202, 203, 204, 205, 206, 207,
3061 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3062 'q', 'r', 218, 219, 220, 221, 222, 223,
3063 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3064 'y', 'z', 234, 235, 236, 237, 238, 239,
3065 240, 241, 242, 243, 244, 245, 246, 247,
3066 248, 249, 250, 251, 252, 253, 254, 255
3067};
3068#else /* ascii rather than ebcdic */
22c35a8c 3069EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3070 0, 1, 2, 3, 4, 5, 6, 7,
3071 8, 9, 10, 11, 12, 13, 14, 15,
3072 16, 17, 18, 19, 20, 21, 22, 23,
3073 24, 25, 26, 27, 28, 29, 30, 31,
3074 32, 33, 34, 35, 36, 37, 38, 39,
3075 40, 41, 42, 43, 44, 45, 46, 47,
3076 48, 49, 50, 51, 52, 53, 54, 55,
3077 56, 57, 58, 59, 60, 61, 62, 63,
3078 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3079 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3080 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3081 'x', 'y', 'z', 91, 92, 93, 94, 95,
3082 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3083 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3084 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3085 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3086 128, 129, 130, 131, 132, 133, 134, 135,
3087 136, 137, 138, 139, 140, 141, 142, 143,
3088 144, 145, 146, 147, 148, 149, 150, 151,
3089 152, 153, 154, 155, 156, 157, 158, 159,
3090 160, 161, 162, 163, 164, 165, 166, 167,
3091 168, 169, 170, 171, 172, 173, 174, 175,
3092 176, 177, 178, 179, 180, 181, 182, 183,
3093 184, 185, 186, 187, 188, 189, 190, 191,
3094 192, 193, 194, 195, 196, 197, 198, 199,
3095 200, 201, 202, 203, 204, 205, 206, 207,
3096 208, 209, 210, 211, 212, 213, 214, 215,
3097 216, 217, 218, 219, 220, 221, 222, 223,
3098 224, 225, 226, 227, 228, 229, 230, 231,
3099 232, 233, 234, 235, 236, 237, 238, 239,
3100 240, 241, 242, 243, 244, 245, 246, 247,
3101 248, 249, 250, 251, 252, 253, 254, 255
3102};
9d116dd7 3103#endif /* !EBCDIC */
79072805 3104#else
22c35a8c 3105EXTCONST unsigned char PL_fold[];
79072805
LW		 3106#endif
3107
3108#ifdef DOINIT
22c35a8c 3109EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3110 0, 1, 2, 3, 4, 5, 6, 7,
3111 8, 9, 10, 11, 12, 13, 14, 15,
3112 16, 17, 18, 19, 20, 21, 22, 23,
3113 24, 25, 26, 27, 28, 29, 30, 31,
3114 32, 33, 34, 35, 36, 37, 38, 39,
3115 40, 41, 42, 43, 44, 45, 46, 47,
3116 48, 49, 50, 51, 52, 53, 54, 55,
3117 56, 57, 58, 59, 60, 61, 62, 63,
3118 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3119 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3120 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3121 'x', 'y', 'z', 91, 92, 93, 94, 95,
3122 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3123 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3124 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3125 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3126 128, 129, 130, 131, 132, 133, 134, 135,
3127 136, 137, 138, 139, 140, 141, 142, 143,
3128 144, 145, 146, 147, 148, 149, 150, 151,
3129 152, 153, 154, 155, 156, 157, 158, 159,
3130 160, 161, 162, 163, 164, 165, 166, 167,
3131 168, 169, 170, 171, 172, 173, 174, 175,
3132 176, 177, 178, 179, 180, 181, 182, 183,
3133 184, 185, 186, 187, 188, 189, 190, 191,
3134 192, 193, 194, 195, 196, 197, 198, 199,
3135 200, 201, 202, 203, 204, 205, 206, 207,
3136 208, 209, 210, 211, 212, 213, 214, 215,
3137 216, 217, 218, 219, 220, 221, 222, 223,
3138 224, 225, 226, 227, 228, 229, 230, 231,
3139 232, 233, 234, 235, 236, 237, 238, 239,
3140 240, 241, 242, 243, 244, 245, 246, 247,
3141 248, 249, 250, 251, 252, 253, 254, 255
3142};
3143#else
22c35a8c 3144EXT unsigned char PL_fold_locale[];
79072805
LW		 3145#endif
3146
3147#ifdef DOINIT
9d116dd7 3148#ifdef EBCDIC
22c35a8c 3149EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3150 1, 2, 84, 151, 154, 155, 156, 157,
3151 165, 246, 250, 3, 158, 7, 18, 29,
3152 40, 51, 62, 73, 85, 96, 107, 118,
3153 129, 140, 147, 148, 149, 150, 152, 153,
3154 255, 6, 8, 9, 10, 11, 12, 13,
3155 14, 15, 24, 25, 26, 27, 28, 226,
3156 29, 30, 31, 32, 33, 43, 44, 45,
3157 46, 47, 48, 49, 50, 76, 77, 78,
3158 79, 80, 81, 82, 83, 84, 85, 86,
3159 87, 94, 95, 234, 181, 233, 187, 190,
3160 180, 96, 97, 98, 99, 100, 101, 102,
3161 104, 112, 182, 174, 236, 232, 229, 103,
3162 228, 226, 114, 115, 116, 117, 118, 119,
3163 120, 121, 122, 235, 176, 230, 194, 162,
3164 130, 131, 132, 133, 134, 135, 136, 137,
3165 138, 139, 201, 205, 163, 217, 220, 224,
3166 5, 248, 227, 244, 242, 255, 241, 231,
3167 240, 253, 16, 197, 19, 20, 21, 187,
3168 23, 169, 210, 245, 237, 249, 247, 239,
3169 168, 252, 34, 196, 36, 37, 38, 39,
3170 41, 42, 251, 254, 238, 223, 221, 213,
3171 225, 177, 52, 53, 54, 55, 56, 57,
3172 58, 59, 60, 61, 63, 64, 65, 66,
3173 67, 68, 69, 70, 71, 72, 74, 75,
3174 205, 208, 186, 202, 200, 218, 198, 179,
3175 178, 214, 88, 89, 90, 91, 92, 93,
3176 217, 166, 170, 207, 199, 209, 206, 204,
3177 160, 212, 105, 106, 108, 109, 110, 111,
3178 203, 113, 216, 215, 192, 175, 193, 243,
3179 172, 161, 123, 124, 125, 126, 127, 128,
3180 222, 219, 211, 195, 188, 193, 185, 184,
3181 191, 183, 141, 142, 143, 144, 145, 146
3182};
3183#else /* ascii rather than ebcdic */
22c35a8c 3184EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3185 1, 2, 84, 151, 154, 155, 156, 157,
3186 165, 246, 250, 3, 158, 7, 18, 29,
3187 40, 51, 62, 73, 85, 96, 107, 118,
3188 129, 140, 147, 148, 149, 150, 152, 153,
3189 255, 182, 224, 205, 174, 176, 180, 217,
3190 233, 232, 236, 187, 235, 228, 234, 226,
3191 222, 219, 211, 195, 188, 193, 185, 184,
3192 191, 183, 201, 229, 181, 220, 194, 162,
3193 163, 208, 186, 202, 200, 218, 198, 179,
3194 178, 214, 166, 170, 207, 199, 209, 206,
3195 204, 160, 212, 216, 215, 192, 175, 173,
3196 243, 172, 161, 190, 203, 189, 164, 230,
3197 167, 248, 227, 244, 242, 255, 241, 231,
3198 240, 253, 169, 210, 245, 237, 249, 247,
3199 239, 168, 252, 251, 254, 238, 223, 221,
3200 213, 225, 177, 197, 171, 196, 159, 4,
3201 5, 6, 8, 9, 10, 11, 12, 13,
3202 14, 15, 16, 17, 19, 20, 21, 22,
3203 23, 24, 25, 26, 27, 28, 30, 31,
3204 32, 33, 34, 35, 36, 37, 38, 39,
3205 41, 42, 43, 44, 45, 46, 47, 48,
3206 49, 50, 52, 53, 54, 55, 56, 57,
3207 58, 59, 60, 61, 63, 64, 65, 66,
3208 67, 68, 69, 70, 71, 72, 74, 75,
3209 76, 77, 78, 79, 80, 81, 82, 83,
3210 86, 87, 88, 89, 90, 91, 92, 93,
3211 94, 95, 97, 98, 99, 100, 101, 102,
3212 103, 104, 105, 106, 108, 109, 110, 111,
3213 112, 113, 114, 115, 116, 117, 119, 120,
3214 121, 122, 123, 124, 125, 126, 127, 128,
3215 130, 131, 132, 133, 134, 135, 136, 137,
3216 138, 139, 141, 142, 143, 144, 145, 146
3217};
9d116dd7 3218#endif
79072805 3219#else
22c35a8c 3220EXTCONST unsigned char PL_freq[];
79072805
LW		 3221#endif
3222
8990e307
LW		 3223#ifdef DEBUGGING
3224#ifdef DOINIT
22c35a8c 3225EXTCONST char* PL_block_type[] = {
8990e307
LW		 3226 "NULL",
3227 "SUB",
3228 "EVAL",
3229 "LOOP",
3230 "SUBST",
3231 "BLOCK",
3232};
3233#else
22c35a8c 3234EXTCONST char* PL_block_type[];
8990e307
LW		 3235#endif
3236#endif
3237
73c4f7a1
GS		 3238END_EXTERN_C
3239
79072805
LW		 3240/*****************************************************************************/
3241/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3242/*****************************************************************************/
8990e307 3243/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3244
a0d0e21e
LW		 3245#include "perly.h"
3246
fb73857a 3247#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3248
79072805
LW		 3249typedef enum {
3250 XOPERATOR,
3251 XTERM,
79072805 3252 XREF,
8990e307 3253 XSTATE,
a0d0e21e 3254 XBLOCK,
09bef843
SB		 3255 XATTRBLOCK,
3256 XATTRTERM,
6f33ba73
RGS		 3257 XTERMBLOCK,
3258 XTERMORDORDOR /* evil hack */
27308ded 3259 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3260} expectation;
3261
dc9e4912
GS		 3262enum { /* pass one of these to get_vtbl */
3263 want_vtbl_sv,
3264 want_vtbl_env,
3265 want_vtbl_envelem,
3266 want_vtbl_sig,
3267 want_vtbl_sigelem,
3268 want_vtbl_pack,
3269 want_vtbl_packelem,
3270 want_vtbl_dbline,
3271 want_vtbl_isa,
3272 want_vtbl_isaelem,
3273 want_vtbl_arylen,
3274 want_vtbl_glob,
3275 want_vtbl_mglob,
3276 want_vtbl_nkeys,
3277 want_vtbl_taint,
3278 want_vtbl_substr,
3279 want_vtbl_vec,
3280 want_vtbl_pos,
3281 want_vtbl_bm,
3282 want_vtbl_fm,
3283 want_vtbl_uvar,
3284 want_vtbl_defelem,
3285 want_vtbl_regexp,
3286 want_vtbl_collxfrm,
3287 want_vtbl_amagic,
3288 want_vtbl_amagicelem,
dc9e4912 3289 want_vtbl_regdata,
810b8aa5 3290 want_vtbl_regdatum,
7e8c5dac
HS		 3291 want_vtbl_backref,
3292 want_vtbl_utf8
dc9e4912
GS		 3293};
3294
85e6fe83
LW		 3295 /* Note: the lowest 8 bits are reserved for
3296 stuffing into op->op_private */
f3aa04c2 3297#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3298#define HINT_INTEGER 0x00000001 /* integer pragma */
3299#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3300#define HINT_LOCALE 0x00000004 /* locale pragma */
3301#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3302/* #define HINT_notused10 0x00000010 */
a0ed51b3 3303 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3304 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3305
3306#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3307#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3308#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3309
9cfe5470 3310/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3311#define HINT_NEW_INTEGER 0x00001000
3312#define HINT_NEW_FLOAT 0x00002000
3313#define HINT_NEW_BINARY 0x00004000
3314#define HINT_NEW_STRING 0x00008000
3315#define HINT_NEW_RE 0x00010000
3316#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3317
9cfe5470
RGS		 3318#define HINT_RE_TAINT 0x00100000 /* re pragma */
3319#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3320
9cfe5470
RGS		 3321#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3322#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3323
8fa7688f 3324/* assertions pragma */
06492da6 3325#define HINT_ASSERTING 0x01000000
8fa7688f 3326#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3327
9cfe5470 3328/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3329#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3330#define HINT_SORT_QUICKSORT 0x00000001
3331#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3332#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3333
8bfdd7d9 3334/* Various states of the input record separator SV (rs) */
d4cce5f1 3335#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3336#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3337#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3338#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3339
128e8167 3340/* A struct for keeping various DEBUGGING related stuff,
ce333219 3341 * neatly packed. Currently only scratch variables for
128e8167
JH		 3342 * constructing debug output are included. Needed always,
3343 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3344struct perl_debug_pad {
3345 SV pad[3];
3346};
3347
3348#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3349#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3350
56953603 3351/* Enable variables which are pointers to functions */
a2efc822 3352typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3353typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3354typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3355 char* strend, char* strbeg, I32 minend,
3356 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3357typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3358 char *strpos, char *strend,
3359 U32 flags,
3360 struct re_scream_pos_data_s *d);
3361typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3362typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3363
c76ac1ee 3364typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3365typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3366typedef void (*SVFUNC_t) (pTHX_ SV*);
3367typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3368typedef void (*XSINIT_t) (pTHX);
3369typedef void (*ATEXIT_t) (pTHX_ void*);
3370typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3371
22239a37
NIS		 3372/* Set up PERLVAR macros for populating structs */
3373#define PERLVAR(var,type) type var;
51371543 3374#define PERLVARA(var,n,type) type var[n];
22239a37 3375#define PERLVARI(var,type,init) type var;
3fe35a81 3376#define PERLVARIC(var,type,init) type var;
22239a37 3377
58a50f62
GS		 3378/* Interpreter exitlist entry */
3379typedef struct exitlistentry {
acfe0abc 3380 void (*fn) (pTHX_ void*);
58a50f62
GS		 3381 void *ptr;
3382} PerlExitListEntry;
3383
22239a37
NIS		 3384#ifdef PERL_GLOBAL_STRUCT
3385struct perl_vars {
7766f137 3386# include "perlvars.h"
22239a37
NIS		 3387};
3388
7766f137 3389# ifdef PERL_CORE
533c011a
NIS		 3390EXT struct perl_vars PL_Vars;
3391EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3392# else /* PERL_CORE */
3393# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3394EXT
7766f137 3395# endif /* WIN32 */
533c011a 3396struct perl_vars *PL_VarsPtr;
7766f137
GS		 3397# define PL_Vars (*((PL_VarsPtr) \
3398 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3399# endif /* PERL_CORE */
22239a37
NIS		 3400#endif /* PERL_GLOBAL_STRUCT */
3401
acfe0abc 3402#if defined(MULTIPLICITY)
d460ef45 3403/* If we have multiple interpreters define a struct
d4cce5f1 3404 holding variables which must be per-interpreter
d460ef45 3405 If we don't have threads anything that would have
d4cce5f1
NIS		 3406 be per-thread is per-interpreter.
3407*/
3408
79072805 3409struct interpreter {
3db8f154 3410# include "thrdvar.h"
7766f137
GS		 3411# include "intrpvar.h"
3412/*
3413 * The following is a buffer where new variables must
acfe0abc 3414 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3415 */
3416PERLVARA(object_compatibility,30, char)
49f531da 3417};
d4cce5f1 3418
79072805 3419#else
49f531da
NIS		 3420struct interpreter {
3421 char broiled;
3422};
acfe0abc 3423#endif /* MULTIPLICITY */
79072805 3424
22fae026 3425typedef void *Thread;
22239a37
NIS		 3426
3427/* Done with PERLVAR macros for now ... */
d4cce5f1 3428#undef PERLVAR
51371543 3429#undef PERLVARA
d4cce5f1 3430#undef PERLVARI
3fe35a81 3431#undef PERLVARIC
79072805 3432
49704364
WL		 3433/* Types used by pack/unpack */
3434typedef enum {
3435 e_no_len, /* no length */
3436 e_number, /* number, [] */
3437 e_star /* asterisk */
3438} howlen_t;
3439
3440typedef struct {
3441 char* patptr; /* current template char */
3442 char* patend; /* one after last char */
3443 char* grpbeg; /* 1st char of ()-group */
3444 char* grpend; /* end of ()-group */
3445 I32 code; /* template code (!) */
3446 I32 length; /* length/repeat count */
3447 howlen_t howlen; /* how length is given */
3448 int level; /* () nesting level */
3449 U32 flags; /* /=4, comma=2, pack=1 */
3450} tempsym_t;
3451
22239a37 3452#include "thread.h"
79072805 3453#include "pp.h"
864dbfa3
GS		 3454
3455#ifndef PERL_CALLCONV
3456# define PERL_CALLCONV
d460ef45 3457#endif
864dbfa3 3458
65f19062
GS		 3459#ifndef NEXT30_NO_ATTRIBUTE
3460# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3461# ifdef __attribute__ /* Avoid possible redefinition errors */
3462# undef __attribute__
3463# endif
3464# define __attribute__(attr)
3465# endif
3466#endif
3467
0cb96387
GS		 3468#undef PERL_CKDEF
3469#undef PERL_PPDEF
3470#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3471#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3472
7766f137 3473#include "proto.h"
864dbfa3 3474
0cb96387 3475/* this has structure inits, so it cannot be included before here */
acfe0abc 3476#include "opcode.h"
864dbfa3 3477
d4cce5f1
NIS		 3478/* The following must follow proto.h as #defines mess up syntax */
3479
22c35a8c
GS		 3480#if !defined(PERL_FOR_X2P)
3481# include "embedvar.h"
3482#endif
d4cce5f1 3483
d460ef45 3484/* Now include all the 'global' variables
d4cce5f1 3485 * If we don't have threads or multiple interpreters
d460ef45 3486 * these include variables that would have been their struct-s
d4cce5f1 3487 */
d460ef45 3488
533c011a 3489#define PERLVAR(var,type) EXT type PL_##var;
51371543 3490#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3491#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3492#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3493
acfe0abc 3494#if !defined(MULTIPLICITY)
7766f137 3495START_EXTERN_C
066ef5b5 3496# include "intrpvar.h"
3db8f154 3497# include "thrdvar.h"
7766f137 3498END_EXTERN_C
22239a37
NIS		 3499#endif
3500
acfe0abc 3501#if defined(WIN32)
66a93824 3502/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3503# include "embed.h"
acfe0abc 3504#endif
22239a37 3505
c5be433b
GS		 3506#ifndef PERL_GLOBAL_STRUCT
3507START_EXTERN_C
3508
3509# include "perlvars.h"
3510
3511END_EXTERN_C
3512#endif
3513
d4cce5f1 3514#undef PERLVAR
51371543 3515#undef PERLVARA
d4cce5f1 3516#undef PERLVARI
0f3f18a6 3517#undef PERLVARIC
79072805 3518
73c4f7a1
GS		 3519START_EXTERN_C
3520
79072805 3521#ifdef DOINIT
bbce6d69 3522
68795e93 3523EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3524 MEMBER_TO_FPTR(Perl_magic_set),
3525 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3526 0, 0};
2b260de0
GS		 3527EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3528 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3529 0};
2b260de0
GS		 3530EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3531 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3532 0};
22c35a8c 3533EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3534#ifdef PERL_MICRO
3535EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3536#else
2b260de0
GS		 3537EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3538 MEMBER_TO_FPTR(Perl_magic_setsig),
3539 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3540 0};
64ca3a65 3541#endif
68795e93
NIS		 3542EXT MGVTBL PL_vtbl_pack = {0, 0,
3543 MEMBER_TO_FPTR(Perl_magic_sizepack),
3544 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3545 0};
2b260de0 3546EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3547 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3548 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3549 0};
2b260de0 3550EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3551 0, 0, 0};
2b260de0
GS		 3552EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3553 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3554 0};
2b260de0 3555EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3556 0, 0, 0};
2b260de0
GS		 3557EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3558 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3559 0, 0, 0};
2b260de0
GS		 3560EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3561 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3562 0, 0, 0};
2b260de0 3563EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3564 0, 0, 0};
2b260de0
GS		 3565EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3566 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3567 0, 0, 0};
68795e93
NIS		 3568EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3569 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3570 0, 0, 0};
68795e93
NIS		 3571EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3572 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3573 0, 0, 0};
2b260de0 3574EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3575 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3576 0, 0, 0};
2b260de0
GS		 3577EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3578 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3579 0, 0, 0};
2b260de0 3580EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3581 0, 0, 0};
2b260de0 3582EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3583 0, 0, 0};
2b260de0
GS		 3584EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3585 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3586 0, 0, 0};
68795e93
NIS		 3587EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3588 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3589 0, 0, 0};
a0d0e21e 3590
faf82a0b 3591EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3592EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3593EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3594 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3595
36477c24 3596#ifdef USE_LOCALE_COLLATE
22c35a8c 3597EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3598 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3599 0, 0, 0};
3600#endif
a0d0e21e 3601
2b260de0
GS		 3602EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3603 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3604EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3605 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3606
810b8aa5 3607EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3608 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3609
d460ef45
NIS		 3610EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3611 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3612
7e8c5dac
HS		 3613EXT MGVTBL PL_vtbl_utf8 = {0,
3614 MEMBER_TO_FPTR(Perl_magic_setutf8),
3615 0, 0, 0};
3616
bbce6d69 3617#else /* !DOINIT */
3618
22c35a8c
GS		 3619EXT MGVTBL PL_vtbl_sv;
3620EXT MGVTBL PL_vtbl_env;
3621EXT MGVTBL PL_vtbl_envelem;
3622EXT MGVTBL PL_vtbl_sig;
3623EXT MGVTBL PL_vtbl_sigelem;
3624EXT MGVTBL PL_vtbl_pack;
3625EXT MGVTBL PL_vtbl_packelem;
3626EXT MGVTBL PL_vtbl_dbline;
3627EXT MGVTBL PL_vtbl_isa;
3628EXT MGVTBL PL_vtbl_isaelem;
3629EXT MGVTBL PL_vtbl_arylen;
3630EXT MGVTBL PL_vtbl_glob;
3631EXT MGVTBL PL_vtbl_mglob;
3632EXT MGVTBL PL_vtbl_nkeys;
3633EXT MGVTBL PL_vtbl_taint;
3634EXT MGVTBL PL_vtbl_substr;
3635EXT MGVTBL PL_vtbl_vec;
3636EXT MGVTBL PL_vtbl_pos;
3637EXT MGVTBL PL_vtbl_bm;
3638EXT MGVTBL PL_vtbl_fm;
3639EXT MGVTBL PL_vtbl_uvar;
d460ef45 3640EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3641
22c35a8c
GS		 3642EXT MGVTBL PL_vtbl_defelem;
3643EXT MGVTBL PL_vtbl_regexp;
3644EXT MGVTBL PL_vtbl_regdata;
3645EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3646
36477c24 3647#ifdef USE_LOCALE_COLLATE
22c35a8c 3648EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3649#endif
a0d0e21e 3650
22c35a8c
GS		 3651EXT MGVTBL PL_vtbl_amagic;
3652EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3653
810b8aa5 3654EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3655EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3656
bbce6d69 3657#endif /* !DOINIT */
85e6fe83 3658
f5284f61
IZ		 3659enum {
3660 fallback_amg, abs_amg,
3661 bool__amg, nomethod_amg,
3662 string_amg, numer_amg,
3663 add_amg, add_ass_amg,
3664 subtr_amg, subtr_ass_amg,
3665 mult_amg, mult_ass_amg,
3666 div_amg, div_ass_amg,
3667 modulo_amg, modulo_ass_amg,
3668 pow_amg, pow_ass_amg,
3669 lshift_amg, lshift_ass_amg,
3670 rshift_amg, rshift_ass_amg,
3671 band_amg, band_ass_amg,
3672 bor_amg, bor_ass_amg,
3673 bxor_amg, bxor_ass_amg,
3674 lt_amg, le_amg,
3675 gt_amg, ge_amg,
3676 eq_amg, ne_amg,
3677 ncmp_amg, scmp_amg,
3678 slt_amg, sle_amg,
3679 sgt_amg, sge_amg,
3680 seq_amg, sne_amg,
3681 not_amg, compl_amg,
3682 inc_amg, dec_amg,
3683 atan2_amg, cos_amg,
3684 sin_amg, exp_amg,
3685 log_amg, sqrt_amg,
3686 repeat_amg, repeat_ass_amg,
3687 concat_amg, concat_ass_amg,
3688 copy_amg, neg_amg,
3689 to_sv_amg, to_av_amg,
3690 to_hv_amg, to_gv_amg,
d460ef45 3691 to_cv_amg, iter_amg,
f216259d
IZ		 3692 int_amg, DESTROY_amg,
3693 max_amg_code
64a0062a 3694 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3695};
3696
3697#define NofAMmeth max_amg_code
89ffc314 3698#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3699
a0d0e21e 3700#ifdef DOINIT
22c35a8c 3701EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3702 /* Names kept in the symbol table. fallback => "()", the rest has
3703 "(" prepended. The only other place in perl which knows about
3704 this convention is AMG_id2name (used for debugging output and
3705 'nomethod' only), the only other place which has it hardwired is
3706 overload.pm. */
3707 "()", "(abs", /* "fallback" should be the first. */
3708 "(bool", "(nomethod",
3709 "(\"\"", "(0+",
3710 "(+", "(+=",
3711 "(-", "(-=",
3712 "(*", "(*=",
3713 "(/", "(/=",
3714 "(%", "(%=",
3715 "(**", "(**=",
3716 "(<<", "(<<=",
3717 "(>>", "(>>=",
3718 "(&", "(&=",
3719 "(|", "(|=",
3720 "(^", "(^=",
3721 "(<", "(<=",
3722 "(>", "(>=",
3723 "(==", "(!=",
3724 "(<=>", "(cmp",
3725 "(lt", "(le",
3726 "(gt", "(ge",
3727 "(eq", "(ne",
3728 "(!", "(~",
3729 "(++", "(--",
3730 "(atan2", "(cos",
3731 "(sin", "(exp",
3732 "(log", "(sqrt",
3733 "(x", "(x=",
3734 "(.", "(.=",
3735 "(=", "(neg",
3736 "(${}", "(@{}",
3737 "(%{}", "(*{}",
3738 "(&{}", "(<>",
f216259d 3739 "(int", "DESTROY",
a0d0e21e
LW		 3740};
3741#else
22c35a8c 3742EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3743#endif /* def INITAMAGIC */
3744
73c4f7a1
GS		 3745END_EXTERN_C
3746
a6006777 3747struct am_table {
eb160463 3748 U32 was_ok_sub;
a0d0e21e 3749 long was_ok_am;
a6006777 3750 U32 flags;
3751 CV* table[NofAMmeth];
a0d0e21e
LW		 3752 long fallback;
3753};
a6006777 3754struct am_table_short {
eb160463 3755 U32 was_ok_sub;
a6006777 3756 long was_ok_am;
3757 U32 flags;
3758};
a0d0e21e 3759typedef struct am_table AMT;
a6006777 3760typedef struct am_table_short AMTS;
a0d0e21e
LW		 3761
3762#define AMGfallNEVER 1
3763#define AMGfallNO 2
3764#define AMGfallYES 3
3765
a6006777 3766#define AMTf_AMAGIC 1
32251b26 3767#define AMTf_OVERLOADED 2
a6006777 3768#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3769#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3770#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3771#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3772#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3773#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3774
32251b26 3775#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3776
3777/*
3778 * some compilers like to redefine cos et alia as faster
3779 * (and less accurate?) versions called F_cos et cetera (Quidquid
3780 * latine dictum sit, altum viditur.) This trick collides with
3781 * the Perl overloading (amg). The following #defines fool both.
3782 */
3783
3784#ifdef _FASTMATH
3785# ifdef atan2
3786# define F_atan2_amg atan2_amg
3787# endif
3788# ifdef cos
3789# define F_cos_amg cos_amg
3790# endif
3791# ifdef exp
3792# define F_exp_amg exp_amg
3793# endif
3794# ifdef log
3795# define F_log_amg log_amg
3796# endif
3797# ifdef pow
3798# define F_pow_amg pow_amg
3799# endif
3800# ifdef sin
3801# define F_sin_amg sin_amg
3802# endif
3803# ifdef sqrt
3804# define F_sqrt_amg sqrt_amg
3805# endif
3806#endif /* _FASTMATH */
3807
83ee9e09
GS		 3808#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3809 PERLDBf_NOOPT | PERLDBf_INTER | \
3810 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3811 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3812 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3813#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3814#define PERLDBf_LINE 0x02 /* Keep line # */
3815#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3816#define PERLDBf_INTER 0x08 /* Preserve more data for
3817 later inspections */
3818#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3819#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3820#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3821#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3822#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3823#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3824#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3825
3280af22
NIS		 3826#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3827#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3828#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3829#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3830#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3831#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3832#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3833#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3834#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3835#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3836#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3837
36477c24 3838#ifdef USE_LOCALE_NUMERIC
bbce6d69 3839
36477c24 3840#define SET_NUMERIC_STANDARD() \
ff4fed7c 3841 set_numeric_standard();
36477c24 3842
3843#define SET_NUMERIC_LOCAL() \
ff4fed7c 3844 set_numeric_local();
bbce6d69 3845
2de3dbcc
JH		 3846#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3847#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3848
3849#define IN_LOCALE \
3850 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3851
f93f4e46 3852#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3853 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3854 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3855
3856#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3857 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3858 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3859
3860#define RESTORE_NUMERIC_LOCAL() \
3861 if (was_local) SET_NUMERIC_LOCAL();
3862
3863#define RESTORE_NUMERIC_STANDARD() \
3864 if (was_standard) SET_NUMERIC_STANDARD();
3865
5b877257 3866#define Atof my_atof
097ee67d 3867
36477c24 3868#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3869
097ee67d
JH		 3870#define SET_NUMERIC_STANDARD() /**/
3871#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3872#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3873#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3874#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3875#define RESTORE_NUMERIC_LOCAL() /**/
3876#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3877#define Atof my_atof
ad3e0f90 3878#define IN_LOCALE_RUNTIME 0
bbce6d69 3879
36477c24 3880#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3881
079290de 3882#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3883# ifdef __hpux
3884# define strtoll __strtoll /* secret handshake */
3885# endif
c623ac67
GS		 3886# ifdef WIN64
3887# define strtoll _strtoi64 /* secret handshake */
3888# endif
079290de
GS		 3889# if !defined(Strtol) && defined(HAS_STRTOLL)
3890# define Strtol strtoll
ad551343 3891# endif
28e5dec8
JH		 3892# if !defined(Strtol) && defined(HAS_STRTOQ)
3893# define Strtol strtoq
3894# endif
ff935051 3895/* is there atoq() anywhere? */
15b99d39 3896#endif
079290de
GS		 3897#if !defined(Strtol) && defined(HAS_STRTOL)
3898# define Strtol strtol
3899#endif
3900#ifndef Atol
3901/* It would be more fashionable to use Strtol() to define atol()
3902 * (as is done for Atoul(), see below) but for backward compatibility
3903 * we just assume atol(). */
76b882ba 3904# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3905# ifdef WIN64
3906# define atoll _atoi64 /* secret handshake */
3907# endif
76b882ba
JH		 3908# define Atol atoll
3909# else
3910# define Atol atol
3911# endif
cf2093f6
JH		 3912#endif
3913
55eb892c 3914#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3915# ifdef __hpux
3916# define strtoull __strtoull /* secret handshake */
3917# endif
c623ac67
GS		 3918# ifdef WIN64
3919# define strtoull _strtoui64 /* secret handshake */
3920# endif
ad551343 3921# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3922# define Strtoul strtoull
15b99d39 3923# endif
079290de
GS		 3924# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3925# define Strtoul strtouq
3926# endif
76d49b1c 3927/* is there atouq() anywhere? */
ad551343 3928#endif
079290de
GS		 3929#if !defined(Strtoul) && defined(HAS_STRTOUL)
3930# define Strtoul strtoul
cf2093f6 3931#endif
079290de
GS		 3932#ifndef Atoul
3933# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3934#endif
cf2093f6 3935
760ac839 3936
06d86050
GS		 3937/* if these never got defined, they need defaults */
3938#ifndef PERL_SET_CONTEXT
3939# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3940#endif
3941
3942#ifndef PERL_GET_CONTEXT
3943# define PERL_GET_CONTEXT PERL_GET_INTERP
3944#endif
3945
3946#ifndef PERL_GET_THX
3947# define PERL_GET_THX ((void*)NULL)
3948#endif
3949
3950#ifndef PERL_SET_THX
3951# define PERL_SET_THX(t) NOOP
3952#endif
3953
a868473f
NIS		 3954#ifndef PERL_SCRIPT_MODE
3955#define PERL_SCRIPT_MODE "r"
3956#endif
3957
fba3b22e 3958/*
da927450
JH		 3959 * Some operating systems are stingy with stack allocation,
3960 * so perl may have to guard against stack overflow.
3961 */
3962#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3963#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3964#endif
3965
3966/*
3967 * Some nonpreemptive operating systems find it convenient to
3968 * check for asynchronous conditions after each op execution.
3969 * Keep this check simple, or it may slow down execution
3970 * massively.
3971 */
ce08f86c 3972
1d615522 3973#ifndef PERL_MICRO
4ffa73a3
JH		 3974# ifndef PERL_ASYNC_CHECK
3975# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3976# endif
ce08f86c
NIS		 3977#endif
3978
da927450 3979#ifndef PERL_ASYNC_CHECK
1d615522 3980# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3981#endif
3982
3983/*
3984 * On some operating systems, a memory allocation may succeed,
3985 * but put the process too close to the system's comfort limit.
3986 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3987 * it to NULL.
3988 */
3989#ifndef PERL_ALLOC_CHECK
c2af87cb 3990#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3991#endif
3992
3993/*
fba3b22e
MB		 3994 * nice_chunk and nice_chunk size need to be set
3995 * and queried under the protection of sv_mutex
3996 */
30ad99e7
MJD		 3997#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3998 void *new_chunk; \
3999 U32 new_chunk_size; \
4000 LOCK_SV_MUTEX; \
4001 new_chunk = (void *)(chunk); \
4002 new_chunk_size = (chunk_size); \
4003 if (new_chunk_size > PL_nice_chunk_size) { \
4004 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4005 PL_nice_chunk = new_chunk; \
4006 PL_nice_chunk_size = new_chunk_size; \
4007 } else { \
4008 Safefree(chunk); \
4009 } \
4010 UNLOCK_SV_MUTEX; \
4011 } STMT_END
fba3b22e 4012
bd89102f
AD		 4013#ifdef HAS_SEM
4014# include <sys/ipc.h>
4015# include <sys/sem.h>
4016# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4017 union semun {
dbba660d
TC		 4018 int val;
4019 struct semid_ds *buf;
4020 unsigned short *array;
bd89102f
AD		 4021 };
4022# endif
4023# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4024# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4025 union gccbug_semun {
4026 int val;
4027 struct semid_ds *buf;
4028 unsigned short *array;
4029 char __dummy[5];
4030 };
4031# define semun gccbug_semun
4032# endif
bd89102f
AD		 4033# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4034# else
4035# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4036# ifdef EXTRA_F_IN_SEMUN_BUF
4037# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4038# else
4039# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4040# endif
bd89102f
AD		 4041# endif
4042# endif
bd89102f 4043#endif
49f531da 4044
89ca4ac7
JH		 4045/*
4046 * Boilerplate macros for initializing and accessing interpreter-local
4047 * data from C. All statics in extensions should be reworked to use
4048 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4049 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4050 *
4051 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4052 * 1. #define MY_CXT_KEY to a unique string, e.g.
4053 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4054 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4055 * all the data that needs to be interpreter-local.
4056 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4057 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4058 * (typically put in the BOOT: section).
4059 * 5. Use the members of the my_cxt_t structure everywhere as
4060 * MY_CXT.member.
4061 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4062 * access MY_CXT.
4063 */
4064
fc958cd2 4065#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4066
4067/* This must appear in all extensions that define a my_cxt_t structure,
4068 * right after the definition (i.e. at file scope). The non-threads
4069 * case below uses it to declare the data as static. */
4070#define START_MY_CXT
4071
4072/* Fetches the SV that keeps the per-interpreter data. */
4073#define dMY_CXT_SV \
4074 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4075 sizeof(MY_CXT_KEY)-1, TRUE)
4076
4077/* This declaration should be used within all functions that use the
4078 * interpreter-local data. */
4079#define dMY_CXT \
4080 dMY_CXT_SV; \
ec0e15e0 4081 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4082
4083/* Creates and zeroes the per-interpreter data.
4084 * (We allocate my_cxtp in a Perl SV so that it will be released when
4085 * the interpreter goes away.) */
4086#define MY_CXT_INIT \
4087 dMY_CXT_SV; \
4088 /* newSV() allocates one more than needed */ \
4089 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4090 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4091 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4092
4093/* This macro must be used to access members of the my_cxt_t structure.
4094 * e.g. MYCXT.some_data */
4095#define MY_CXT (*my_cxtp)
4096
4097/* Judicious use of these macros can reduce the number of times dMY_CXT
4098 * is used. Use is similar to pTHX, aTHX etc. */
4099#define pMY_CXT my_cxt_t *my_cxtp
4100#define pMY_CXT_ pMY_CXT,
4101#define _pMY_CXT ,pMY_CXT
4102#define aMY_CXT my_cxtp
4103#define aMY_CXT_ aMY_CXT,
4104#define _aMY_CXT ,aMY_CXT
4105
4106#else /* USE_ITHREADS */
4107
4108#define START_MY_CXT static my_cxt_t my_cxt;
4109#define dMY_CXT_SV dNOOP
4110#define dMY_CXT dNOOP
4111#define MY_CXT_INIT NOOP
4112#define MY_CXT my_cxt
4113
4114#define pMY_CXT void
4115#define pMY_CXT_
4116#define _pMY_CXT
4117#define aMY_CXT
4118#define aMY_CXT_
4119#define _aMY_CXT
4120
4121#endif /* !defined(USE_ITHREADS) */
4122
9a34ef1d
GS		 4123#ifdef I_FCNTL
4124# include <fcntl.h>
9a34ef1d
GS		 4125#endif
4126
4127#ifdef I_SYS_FILE
4128# include <sys/file.h>
4129#endif
4130
fa0a29af 4131#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4132int flock(int fd, int op);
4133#endif
4134
fe52b3b7
GS		 4135#ifndef O_RDONLY
4136/* Assume UNIX defaults */
4137# define O_RDONLY 0000
4138# define O_WRONLY 0001
4139# define O_RDWR 0002
4140# define O_CREAT 0100
4141#endif
9a34ef1d 4142
16fe6d59
GS		 4143#ifndef O_BINARY
4144# define O_BINARY 0
4145#endif
4146
4147#ifndef O_TEXT
4148# define O_TEXT 0
4149#endif
4150
6ce75a77
JH		 4151#if O_TEXT != O_BINARY
4152 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4153 * that is, you are somehow DOSish. */
538204d5 4154# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4155 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4156 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4157 /* VOS has O_TEXT != O_BINARY, and they have effect,
4158 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4159 /* If you have O_TEXT different from your O_BINARY but you still are
4160 * not a CRLF shop. */
35990314 4161# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4162# else
4163 /* If you really are DOSish. */
4164# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4165# endif
4166#endif
4167
104d25b7
JH		 4168#ifdef IAMSUID
4169
4170#ifdef I_SYS_STATVFS
9f982a77
IG		 4171# if defined(PERL_SCO) && !defined(_SVID3)
4172# define _SVID3
4173# endif
32b3cf08
JH		 4174# include <sys/statvfs.h> /* for f?statvfs() */
4175#endif
4176#ifdef I_SYS_MOUNT
4177# include <sys/mount.h> /* for *BSD f?statfs() */
4178#endif
4179#ifdef I_MNTENT
4180# include <mntent.h> /* for getmntent() */
104d25b7 4181#endif
0545a864
JH		 4182#ifdef I_SYS_STATFS
4183# include <sys/statfs.h> /* for some statfs() */
4184#endif
4185#ifdef I_SYS_VFS
8d9e1a19
GS		 4186# ifdef __sgi
4187# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4188# endif
4189# include <sys/vfs.h> /* for some statfs() */
4190# ifdef __sgi
4191# undef IRIX_sv
4192# endif
0545a864
JH		 4193#endif
4194#ifdef I_USTAT
4195# include <ustat.h> /* for ustat() */
4196#endif
4197
4198#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4199# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4200#endif
4201#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4202# define PERL_MOUNT_NOSUID MNT_NOSUID
4203#endif
4204#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4205# define PERL_MOUNT_NOSUID MS_NOSUID
4206#endif
4207#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4208# define PERL_MOUNT_NOSUID M_NOSUID
4209#endif
104d25b7
JH		 4210
4211#endif /* IAMSUID */
4212
4bc88a62
PS		 4213#ifdef I_LIBUTIL
4214# include <libutil.h> /* setproctitle() in some FreeBSDs */
4215#endif
4216
b4748376
NIS		 4217#ifndef EXEC_ARGV_CAST
4218#define EXEC_ARGV_CAST(x) x
4219#endif
4220
dd5dc04f
JH		 4221#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4222 int). value returned in pointed-
4223 to UV */
4224#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4225#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4226#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4227#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4228#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4229
4230#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4231
53305cf1
NC		 4232/* Input flags: */
4233#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4234#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4235#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4236/* Output flags: */
4237#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4238
2c4f7f0e
DM		 4239/* to let user control profiling */
4240#ifdef PERL_GPROF_CONTROL
4241extern void moncontrol(int);
4242#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4243#else
4244#define PERL_GPROF_MONCONTROL(x)
4245#endif
4246
ae0e3d3b
JH		 4247#ifdef UNDER_CE
4248#include "wince.h"
4249#endif
4250
4251/* ISO 6429 NEL - C1 control NExt Line */
4252/* See http://www.unicode.org/unicode/reports/tr13/ */
4253#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4254# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4255# define NEXT_LINE_CHAR 0x15
4256# else /* CDRA */
4257# define NEXT_LINE_CHAR 0x25
4258# endif
4259#else
4260# define NEXT_LINE_CHAR 0x85
4261#endif
4262
4263/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4264#define UNICODE_LINE_SEPA_0 0xE2
4265#define UNICODE_LINE_SEPA_1 0x80
4266#define UNICODE_LINE_SEPA_2 0xA8
4267#define UNICODE_PARA_SEPA_0 0xE2
4268#define UNICODE_PARA_SEPA_1 0x80
4269#define UNICODE_PARA_SEPA_2 0xA9
4270
479b2847
GS		 4271#ifndef PIPESOCK_MODE
4272# define PIPESOCK_MODE
4273#endif
4274
7e8c5dac
HS		 4275#define PERL_MAGIC_UTF8_CACHESIZE 2
4276
a05d7ebb
JH		 4277#define PERL_UNICODE_STDIN_FLAG 0x0001
4278#define PERL_UNICODE_STDOUT_FLAG 0x0002
4279#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4280#define PERL_UNICODE_IN_FLAG 0x0008
4281#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4282#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4283#define PERL_UNICODE_LOCALE_FLAG 0x0040
4284#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4285
06e66572
JH		 4286#define PERL_UNICODE_STD_FLAG \
4287 (PERL_UNICODE_STDIN_FLAG | \
4288 PERL_UNICODE_STDOUT_FLAG | \
4289 PERL_UNICODE_STDERR_FLAG)
4290
4291#define PERL_UNICODE_INOUT_FLAG \
4292 (PERL_UNICODE_IN_FLAG | \
4293 PERL_UNICODE_OUT_FLAG)
4294
4295#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4296 (PERL_UNICODE_STD_FLAG | \
4297 PERL_UNICODE_INOUT_FLAG | \
4298 PERL_UNICODE_LOCALE_FLAG)
4299
4300#define PERL_UNICODE_ALL_FLAGS 0x00ff
4301
4302#define PERL_UNICODE_STDIN 'I'
4303#define PERL_UNICODE_STDOUT 'O'
4304#define PERL_UNICODE_STDERR 'E'
4305#define PERL_UNICODE_STD 'S'
4306#define PERL_UNICODE_IN 'i'
4307#define PERL_UNICODE_OUT 'o'
4308#define PERL_UNICODE_INOUT 'D'
4309#define PERL_UNICODE_ARGV 'A'
4310#define PERL_UNICODE_LOCALE 'L'
4311#define PERL_UNICODE_WIDESYSCALLS 'W'
4312
4ffa73a3
JH		 4313#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4314
16bd9a85
JH		 4315/* From sigaction(2) (FreeBSD man page):
4316 * | Signal routines normally execute with the signal that
4317 * | caused their invocation blocked, but other signals may
4318 * | yet occur.
4319 * Emulation of this behavior (from within Perl) is enabled
4320 * by defining PERL_BLOCK_SIGNALS.
4321 */
4322#define PERL_BLOCK_SIGNALS
4323
4324#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4325# define PERL_BLOCKSIG_ADD(set,sig) \
4326 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4327# define PERL_BLOCKSIG_BLOCK(set) \
4328 sigprocmask(SIG_BLOCK, &(set), NULL)
4329# define PERL_BLOCKSIG_UNBLOCK(set) \
4330 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4331#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4332
4333/* How about the old style of sigblock()? */
4334
4335#ifndef PERL_BLOCKSIG_ADD
4336# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4337#endif
4338#ifndef PERL_BLOCKSIG_BLOCK
4339# define PERL_BLOCKSIG_BLOCK(set) NOOP
4340#endif
2bfba5f0 4341#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4342# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4343#endif
4344
32fdb065 4345/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4346 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4347#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4348
4d8076ea 4349/* and finally... */
cceca5ed 4350#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4351#include "patchlevel.h"
cceca5ed 4352#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4353
43999f95 4354/* Mention
d460ef45 4355
43999f95 4356 NV_PRESERVES_UV
fe749a9f 4357
fe749a9f
JH		 4358 HAS_MKSTEMP
4359 HAS_MKSTEMPS
4360 HAS_MKDTEMP
4361
49dabb45
JH		 4362 HAS_GETCWD
4363
d59b5429 4364 HAS_MMAP
fe749a9f
JH		 4365 HAS_MPROTECT
4366 HAS_MSYNC
1e8c3fde 4367 HAS_MADVISE
fe749a9f
JH		 4368 HAS_MUNMAP
4369 I_SYSMMAN
4370 Mmap_t
4371
6b4667fc
A		 4372 NVef
4373 NVff
4374 NVgf
4375
4e0554ec 4376 HAS_UALARM
2d736872 4377 HAS_USLEEP
4e0554ec
JH		 4378
4379 HAS_SETITIMER
4380 HAS_GETITIMER
4381
4382 HAS_SENDMSG
4383 HAS_RECVMSG
4384 HAS_READV
4385 HAS_WRITEV
4386 I_SYSUIO
4387 HAS_STRUCT_MSGHDR
4388 HAS_STRUCT_CMSGHDR
4389
2765b840 4390 HAS_NL_LANGINFO
0a7020c9 4391
ae0e3d3b 4392 HAS_DIRFD
2765b840 4393
43999f95
JH		 4394 so that Configure picks them up. */
4395
85e6fe83 4396#endif /* Include guard */
ae0e3d3b 4397
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