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Add auto-require of modules to restore overloading (and tests)
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
b5f8cc5c 4 * 2000, 2001, 2002, 2003, 2004, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
026fd48b
GH		 68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
10bc17b6
JH		 74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 77# define USE_REENTRANT_API
78#endif
79
ac6bedea
JH		 80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
af28e889 82/*
6239f2da
JH		 83 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
84 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 85 * __bsdi__ for BSD/OS
86 */
6239f2da 87#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 88# ifndef BSDish
89# define BSDish
90# endif
91#endif
92
c5be433b 93#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 94# ifndef MULTIPLICITY
95# define MULTIPLICITY
c5be433b 96# endif
3db8f154
MB		 97# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
98# define aTHX my_perl
99# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 100# define dTHX pTHX = PERL_GET_THX
c5be433b 101# define pTHX_ pTHX,
c5be433b 102# define aTHX_ aTHX,
894356b3
GS		 103# define pTHX_1 2
104# define pTHX_2 3
105# define pTHX_3 4
106# define pTHX_4 5
c5be433b
GS		 107#endif
108
76e3520e
GS		 109#define STATIC static
110#define CPERLscope(x) x
565764a8 111#define CPERLarg void
76e3520e 112#define CPERLarg_
e3b8966e 113#define _CPERLarg
1d583055
GS		 114#define PERL_OBJECT_THIS
115#define _PERL_OBJECT_THIS
116#define PERL_OBJECT_THIS_
312caa8e 117#define CALL_FPTR(fptr) (*fptr)
76e3520e 118
312caa8e
CS		 119#define CALLRUNOPS CALL_FPTR(PL_runops)
120#define CALLREGCOMP CALL_FPTR(PL_regcompp)
121#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 122#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
123#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
124#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 125
126#ifdef PERL_FLEXIBLE_EXCEPTIONS
127# define CALLPROTECT CALL_FPTR(PL_protect)
128#endif
312caa8e 129
44dbb695 130#ifdef HASATTRIBUTE
94b00aa4 131# if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
3da75212
MB		 132# define PERL_UNUSED_DECL
133# else
134# define PERL_UNUSED_DECL __attribute__((unused))
135# endif
44dbb695
JH		 136#else
137# define PERL_UNUSED_DECL
138#endif
139
349b520e
DM		 140/* gcc -Wall:
141 * for silencing unused variables that are actually used most of the time,
142 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
143 */
144#define PERL_UNUSED_VAR(var) if (0) var = var
145
0cb96387 146#define NOOP (void)0
44dbb695 147#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 148
0cb96387
GS		 149#ifndef pTHX
150# define pTHX void
151# define pTHX_
0cb96387
GS		 152# define aTHX
153# define aTHX_
0cb96387
GS		 154# define dTHXa(a) dNOOP
155# define dTHX dNOOP
894356b3
GS		 156# define pTHX_1 1
157# define pTHX_2 2
158# define pTHX_3 3
159# define pTHX_4 4
0cb96387
GS		 160#endif
161
b4f7f263
GS		 162/* these are only defined for compatibility; should not be used internally */
163#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 164# define pTHXo pTHX
165# define pTHXo_ pTHX_
0cb96387
GS		 166# define aTHXo aTHX
167# define aTHXo_ aTHX_
c5be433b 168# define dTHXo dTHX
71d280e3 169# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 170#endif
171
172#ifndef pTHXx
173# define pTHXx register PerlInterpreter *my_perl
174# define pTHXx_ pTHXx,
0cb96387
GS		 175# define aTHXx my_perl
176# define aTHXx_ aTHXx,
c5be433b 177# define dTHXx dTHX
22c35a8c 178#endif
71be2cbc 179
1de7c2ac
GS		 180/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
181 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
182 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
183#ifdef PERL_IMPLICIT_SYS
184# define dTHXs dTHX
185#else
186# define dTHXs dNOOP
187#endif
188
326b05e3
GS		 189#undef START_EXTERN_C
190#undef END_EXTERN_C
191#undef EXTERN_C
32f822de
GS		 192#ifdef __cplusplus
193# define START_EXTERN_C extern "C" {
194# define END_EXTERN_C }
195# define EXTERN_C extern "C"
196#else
d460ef45
NIS		 197# define START_EXTERN_C
198# define END_EXTERN_C
73c4f7a1 199# define EXTERN_C extern
32f822de
GS		 200#endif
201
462e5cf6
MB		 202#ifdef OP_IN_REGISTER
203# ifdef __GNUC__
204# define stringify_immed(s) #s
205# define stringify(s) stringify_immed(s)
d1ca3daa 206register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 207# endif
208#endif
209
5dc8bdac
JH		 210#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
211# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
212#endif
213
728e2803 214/*
215 * STMT_START { statements; } STMT_END;
216 * can be used as a single statement, as in
217 * if (x) STMT_START { ... } STMT_END; else ...
218 *
219 * Trying to select a version that gives no warnings...
220 */
221#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 222# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 223# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
224# define STMT_END )
225# else
226 /* Now which other defined()s do we need here ??? */
93189314 227# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 228# define STMT_START if (1)
229# define STMT_END else (void)0
230# else
231# define STMT_START do
232# define STMT_END while (0)
233# endif
234# endif
235#endif
236
0cb96387 237#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 238#define WITH_THR(s) WITH_THX(s)
ea0efc06 239
55497cff 240/*
241 * SOFT_CAST can be used for args to prototyped functions to retain some
242 * type checking; it only casts if the compiler does not know prototypes.
243 */
244#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
245#define SOFT_CAST(type)
246#else
247#define SOFT_CAST(type) (type)
248#endif
79072805 249
d6f9c181
JH		 250#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
251# define BYTEORDER 0x1234
79072805
LW		 252#endif
253
254/* Overall memory policy? */
255#ifndef CONSERVATIVE
256# define LIBERAL 1
257#endif
258
8ada0baa
JH		 259#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
260#define ASCIIish
261#else
262#undef ASCIIish
263#endif
264
79072805
LW		 265/*
266 * The following contortions are brought to you on behalf of all the
267 * standards, semi-standards, de facto standards, not-so-de-facto standards
268 * of the world, as well as all the other botches anyone ever thought of.
269 * The basic theory is that if we work hard enough here, the rest of the
270 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
271 */
ac58e20f 272
ee0007ab 273/* define this once if either system, instead of cluttering up the src */
2986a63f 274#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 275#define DOSISH 1
276#endif
277
2986a63f 278#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 279# define STANDARD_C 1
280#endif
281
a03dbf46 282#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 283# define DONT_DECLARE_STD 1
284#endif
285
352d5a3a 286#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 287# ifdef __cplusplus
cb69f87a 288# define VOL /* to temporarily suppress warnings */
79072805
LW		 289# else
290# define VOL volatile
291# endif
663a0e37 292#else
79072805 293# define VOL
663a0e37
LW		 294#endif
295
3280af22
NIS		 296#define TAINT (PL_tainted = TRUE)
297#define TAINT_NOT (PL_tainted = FALSE)
298#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
299#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 300#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 301
d460ef45 302/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 303 defines move there? If so, I could simplify this a lot. --AD 9/96.
304*/
305/* Process group stuff changed from traditional BSD to POSIX.
306 perlfunc.pod documents the traditional BSD-style syntax, so we'll
307 try to preserve that, if possible.
308*/
309#ifdef HAS_SETPGID
310# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 311#else
a6e633de 312# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
313# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
314# else
315# ifdef HAS_SETPGRP2 /* DG/UX */
316# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
317# endif
318# endif
319#endif
320#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
321# define HAS_SETPGRP /* Well, effectively it does . . . */
322#endif
323
324/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
325 our life easier :-) so we'll try it.
326*/
327#ifdef HAS_GETPGID
328# define BSD_GETPGRP(pid) getpgid((pid))
329#else
330# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
331# define BSD_GETPGRP(pid) getpgrp((pid))
332# else
333# ifdef HAS_GETPGRP2 /* DG/UX */
334# define BSD_GETPGRP(pid) getpgrp2((pid))
335# endif
336# endif
337#endif
338#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
339# define HAS_GETPGRP /* Well, effectively it does . . . */
340#endif
341
d460ef45 342/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 343 have different behaviors, but perl.h used to define USE_BSDPGRP
344 (prior to 5.003_05) so some extension might depend on it.
345*/
346#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
347# ifndef USE_BSDPGRP
348# define USE_BSDPGRP
349# endif
663a0e37
LW		 350#endif
351
8ac5a1fe
MH		 352/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
353 pthread.h must be included before all other header files.
354*/
3db8f154 355#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 356# include <pthread.h>
357#endif
358
760ac839
LW		 359#ifndef _TYPES_ /* If types.h defines this it's easy. */
360# ifndef major /* Does everyone's types.h define this? */
361# include <sys/types.h>
c07a80fd 362# endif
663a0e37
LW		 363#endif
364
760ac839
LW		 365#ifdef __cplusplus
366# ifndef I_STDARG
367# define I_STDARG 1
368# endif
369#endif
370
371#ifdef I_STDARG
372# include <stdarg.h>
373#else
374# ifdef I_VARARGS
375# include <varargs.h>
376# endif
377#endif
378
4633a7c4 379#ifdef USE_NEXT_CTYPE
0c30d9ec 380
092bebab
JH		 381#if NX_CURRENT_COMPILER_RELEASE >= 500
382# include <bsd/ctypes.h>
383#else
384# if NX_CURRENT_COMPILER_RELEASE >= 400
385# include <objc/NXCType.h>
386# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
387# include <appkit/NXCType.h>
388# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
389#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 390
391#else /* !USE_NEXT_CTYPE */
fe14fcc3 392#include <ctype.h>
0c30d9ec 393#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 394
395#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
396#undef METHOD
a0d0e21e
LW		 397#endif
398
12ae5dfc
JH		 399#ifdef PERL_MICRO
400# define NO_LOCALE
401#endif
402
4633a7c4 403#ifdef I_LOCALE
36477c24 404# include <locale.h>
4633a7c4
LW		 405#endif
406
36477c24 407#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
408# define USE_LOCALE
409# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
410 && defined(HAS_STRXFRM)
411# define USE_LOCALE_COLLATE
412# endif
413# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
414# define USE_LOCALE_CTYPE
415# endif
416# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
417# define USE_LOCALE_NUMERIC
418# endif
419#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 420
fe14fcc3 421#include <setjmp.h>
79072805 422
a0d0e21e 423#ifdef I_SYS_PARAM
79072805
LW		 424# ifdef PARAM_NEEDS_TYPES
425# include <sys/types.h>
426# endif
427# include <sys/param.h>
352d5a3a 428#endif
79072805 429
79072805 430/* Use all the "standard" definitions? */
a0d0e21e 431#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 432# include <stdlib.h>
ff68c719 433#endif
03a14243 434
3f270f98
JH		 435/* If this causes problems, set i_unistd=undef in the hint file. */
436#ifdef I_UNISTD
437# include <unistd.h>
438#endif
439
7114a2d2 440#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 441int syscall(int, ...);
442#endif
443
7114a2d2 444#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 445int usleep(unsigned int);
2ef53570
JH		 446#endif
447
9a34ef1d
GS		 448#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
449# define MYSWAP
450#endif
451
66a93824
NIS		 452/* Cannot include embed.h here on Win32 as win32.h has not
453 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
454 */
96e176bf 455#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 456# include "embed.h"
457#endif
458
c31fac66
GS		 459#define MEM_SIZE Size_t
460
51371543
GS		 461#if defined(STANDARD_C) && defined(I_STDDEF)
462# include <stddef.h>
463# define STRUCT_OFFSET(s,m) offsetof(s,m)
464#else
465# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
466#endif
467
468#if defined(I_STRING) || defined(__cplusplus)
469# include <string.h>
470#else
471# include <strings.h>
472#endif
473
55497cff 474/* This comes after <stdlib.h> so we don't try to change the standard
475 * library prototypes; we'll use our own in proto.h instead. */
03a14243 476
4633a7c4 477#ifdef MYMALLOC
86058a2d 478# ifdef PERL_POLLUTE_MALLOC
ee13e175 479# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 480# define Perl_malloc malloc
481# define Perl_calloc calloc
482# define Perl_realloc realloc
483# define Perl_mfree free
ee13e175 484# endif
86058a2d
GS		 485# else
486# define EMBEDMYMALLOC /* for compatibility */
487# endif
827e134a 488
651b9576
GS		 489# define safemalloc Perl_malloc
490# define safecalloc Perl_calloc
491# define saferealloc Perl_realloc
492# define safefree Perl_mfree
22f7c9c9
JH		 493# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
494 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
495 code; \
496 } STMT_END
497# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
498 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
499# define panic_write2(s) write(2, s, strlen(s))
500# define CHECK_MALLOC_TAINT(newval) \
501 CHECK_MALLOC_TOO_LATE_FOR_( \
502 if (newval) { \
503 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
504 exit(1); })
22f7c9c9 505# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 506 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 507 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
508 }} STMT_END;
f2517201
GS		 509#else /* MYMALLOC */
510# define safemalloc safesysmalloc
511# define safecalloc safesyscalloc
512# define saferealloc safesysrealloc
513# define safefree safesysfree
22f7c9c9
JH		 514# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
515# define CHECK_MALLOC_TAINT(newval) ((void)0)
516# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 517#endif /* MYMALLOC */
4633a7c4 518
22f7c9c9
JH		 519#define TOO_LATE_FOR_(ch,s) Perl_croak(aTHX_ "Too late for \"-%c\" option%s", (char)(ch), s)
520#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
521#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
522#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
523
a0d0e21e
LW		 524#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
525#define strchr index
526#define strrchr rindex
527#endif
528
16d20bd9
AD		 529#ifdef I_MEMORY
530# include <memory.h>
531#endif
532
fe14fcc3 533#ifdef HAS_MEMCPY
85e6fe83 534# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 535# ifndef memcpy
20ce7b12 536 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 537# endif
538# endif
539#else
540# ifndef memcpy
541# ifdef HAS_BCOPY
542# define memcpy(d,s,l) bcopy(s,d,l)
543# else
544# define memcpy(d,s,l) my_bcopy(s,d,l)
545# endif
546# endif
547#endif /* HAS_MEMCPY */
fe14fcc3 548
ee0007ab 549#ifdef HAS_MEMSET
85e6fe83 550# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 551# ifndef memset
20ce7b12 552 extern char *memset (char*, int, int);
ee0007ab
LW		 553# endif
554# endif
ee0007ab 555#else
12ae5dfc 556# undef memset
fc36a67e 557# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 558#endif /* HAS_MEMSET */
559
85e6fe83 560#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 561# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 562# define memmove(d,s,l) bcopy(s,d,l)
563# else
2304df62 564# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 565# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 566# else
79072805 567# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 568# endif
352d5a3a 569# endif
d9d8d8de 570#endif
ee0007ab 571
36477c24 572#if defined(mips) && defined(ultrix) && !defined(__STDC__)
573# undef HAS_MEMCMP
574#endif
575
576#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 577# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 578# ifndef memcmp
20ce7b12 579 extern int memcmp (char*, char*, int);
ee0007ab
LW		 580# endif
581# endif
36477c24 582# ifdef BUGGY_MSC
7e4e8c89 583# pragma function(memcmp)
36477c24 584# endif
ee0007ab
LW		 585#else
586# ifndef memcmp
ecfc5424 587# define memcmp my_memcmp
352d5a3a 588# endif
36477c24 589#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 590
fc36a67e 591#ifndef memzero
c635e13b 592# ifdef HAS_MEMSET
593# define memzero(d,l) memset(d,0,l)
79072805 594# else
c635e13b 595# ifdef HAS_BZERO
596# define memzero(d,l) bzero(d,l)
79072805 597# else
fc36a67e 598# define memzero(d,l) my_bzero(d,l)
79072805
LW		 599# endif
600# endif
d9d8d8de 601#endif
378cc40b 602
2f42fcb0 603#ifndef PERL_MICRO
0f27ced1
JH		 604#ifndef memchr
605# ifndef HAS_MEMCHR
606# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
607# endif
608#endif
2f42fcb0 609#endif
0f27ced1 610
36477c24 611#ifndef HAS_BCMP
612# ifndef bcmp
613# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 614# endif
36477c24 615#endif /* !HAS_BCMP */
378cc40b 616
ae986130 617#ifdef I_NETINET_IN
79072805 618# include <netinet/in.h>
ae986130
LW		 619#endif
620
28e8609d
JH		 621#ifdef I_ARPA_INET
622# include <arpa/inet.h>
623#endif
624
84902520
TB		 625#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
626/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
627 * (the neo-BSD seem to do this). */
628# undef SF_APPEND
629#endif
630
1aef975c 631#ifdef I_SYS_STAT
84902520 632# include <sys/stat.h>
1aef975c 633#endif
79072805 634
a0d0e21e
LW		 635/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
636 like UTekV) are broken, sometimes giving false positives. Undefine
637 them here and let the code below set them to proper values.
638
639 The ghs macro stands for GreenHills Software C-1.8.5 which
640 is the C compiler for sysV88 and the various derivatives.
641 This header file bug is corrected in gcc-2.5.8 and later versions.
642 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
643
644#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 645# undef S_ISDIR
646# undef S_ISCHR
647# undef S_ISBLK
648# undef S_ISREG
649# undef S_ISFIFO
650# undef S_ISLNK
ee0007ab 651#endif
135863df 652
663a0e37
LW		 653#ifdef I_TIME
654# include <time.h>
ffed7fef 655#endif
663a0e37 656
fe14fcc3 657#ifdef I_SYS_TIME
85e6fe83 658# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 659# define KERNEL
660# endif
661# include <sys/time.h>
85e6fe83 662# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 663# undef KERNEL
664# endif
a687059c 665#endif
135863df 666
55497cff 667#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 668# include <sys/times.h>
d9d8d8de 669#endif
8d063cd8 670
fe14fcc3 671#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 672# undef HAS_STRERROR
663a0e37
LW		 673#endif
674
675#include <errno.h>
1e743fda 676
acfe0abc 677#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 678# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
679#endif
680
8cfab5ff
JH		 681/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
682 * This is important for using IPv6.
683 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
684 * a bad idea since it breaks send() and recv(). */
685#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
686# define _SOCKADDR_LEN
687#endif
688
8d3f517a 689#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 690# include <sys/socket.h>
691# if defined(USE_SOCKS) && defined(I_SOCKS)
692# if !defined(INCLUDE_PROTOTYPES)
693# define INCLUDE_PROTOTYPES /* for <socks.h> */
694# define PERL_SOCKS_NEED_PROTOTYPES
695# endif
696# include <socks.h>
697# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
698# undef INCLUDE_PROTOTYPES
699# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 700# endif
d460ef45 701# endif
1e743fda 702# ifdef I_NETDB
2986a63f
JH		 703# ifdef NETWARE
704# include<stdio.h>
705# endif
1e743fda
JH		 706# include <netdb.h>
707# endif
708# ifndef ENOTSOCK
709# ifdef I_NET_ERRNO
710# include <net/errno.h>
711# endif
712# endif
713#endif
714
fa0a29af 715/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 716 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
717 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 718#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 719# if defined(__THROW) && defined(__GLIBC__)
720int sockatmark(int) __THROW;
721# else
2ef53570 722int sockatmark(int);
29820b6d 723# endif
2ef53570
JH		 724#endif
725
1e743fda
JH		 726#ifdef SETERRNO
727# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 728#endif
f86702cc 729
730#ifdef VMS
731# define SETERRNO(errcode,vmserrcode) \
732 STMT_START { \
733 set_errno(errcode); \
734 set_vaxc_errno(vmserrcode); \
735 } STMT_END
93189314
JH		 736# define LIB_INVARG LIB$_INVARG
737# define RMS_DIR RMS$_DIR
738# define RMS_FAC RMS$_FAC
739# define RMS_FEX RMS$_FEX
740# define RMS_FNF RMS$_FNF
741# define RMS_IFI RMS$_IFI
742# define RMS_ISI RMS$_ISI
743# define RMS_PRV RMS$_PRV
744# define SS_ACCVIO SS$_ACCVIO
745# define SS_DEVOFFLINE SS$_DEVOFFLINE
746# define SS_IVCHAN SS$_IVCHAN
747# define SS_NORMAL SS$_NORMAL
748a9306 748#else
aba27d88 749# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 750# define LIB_INVARG 0
751# define RMS_DIR 0
752# define RMS_FAC 0
753# define RMS_FEX 0
754# define RMS_FNF 0
755# define RMS_IFI 0
756# define RMS_ISI 0
757# define RMS_PRV 0
758# define SS_ACCVIO 0
759# define SS_DEVOFFLINE 0
760# define SS_IVCHAN 0
761# define SS_NORMAL 0
748a9306 762#endif
ed6116ce 763
3db8f154
MB		 764#define ERRSV GvSV(PL_errgv)
765#define DEFSV GvSV(PL_defgv)
766#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 767
98eae8f5
GS		 768#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
769
55497cff 770#ifndef errno
5ff3f7a4
GS		 771 extern int errno; /* ANSI allows errno to be an lvalue expr.
772 * For example in multithreaded environments
773 * something like this might happen:
774 * extern int *_errno(void);
775 * #define errno (*_errno()) */
d9d8d8de 776#endif
663a0e37 777
2304df62 778#ifdef HAS_STRERROR
a0d0e21e 779# ifdef VMS
20ce7b12 780 char *strerror (int,...);
a0d0e21e 781# else
68dc0745 782#ifndef DONT_DECLARE_STD
20ce7b12 783 char *strerror (int);
68dc0745 784#endif
a0d0e21e 785# endif
2304df62
AD		 786# ifndef Strerror
787# define Strerror strerror
788# endif
789#else
790# ifdef HAS_SYS_ERRLIST
79072805
LW		 791 extern int sys_nerr;
792 extern char *sys_errlist[];
2304df62
AD		 793# ifndef Strerror
794# define Strerror(e) \
79072805 795 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 796# endif
79072805 797# endif
35c8bce7 798#endif
663a0e37 799
2304df62 800#ifdef I_SYS_IOCTL
79072805
LW		 801# ifndef _IOCTL_
802# include <sys/ioctl.h>
803# endif
a687059c
LW		 804#endif
805
ee0007ab 806#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 807# ifdef HAS_SOCKETPAIR
808# undef HAS_SOCKETPAIR
809# endif
2304df62
AD		 810# ifdef I_NDBM
811# undef I_NDBM
79072805 812# endif
a687059c
LW		 813#endif
814
02fc2eee
NC		 815#ifndef HAS_SOCKETPAIR
816# ifdef HAS_SOCKET
817# define socketpair Perl_my_socketpair
818# endif
819#endif
820
a687059c 821#if INTSIZE == 2
79072805
LW		 822# define htoni htons
823# define ntohi ntohs
a687059c 824#else
79072805
LW		 825# define htoni htonl
826# define ntohi ntohl
a687059c
LW		 827#endif
828
a0d0e21e 829/* Configure already sets Direntry_t */
35c8bce7 830#if defined(I_DIRENT)
663a0e37 831# include <dirent.h>
8f1f23e8
W		 832 /* NeXT needs dirent + sys/dir.h */
833# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 834# include <sys/dir.h>
835# endif
ae986130 836#else
fe14fcc3 837# ifdef I_SYS_NDIR
79a0689e 838# include <sys/ndir.h>
663a0e37 839# else
fe14fcc3 840# ifdef I_SYS_DIR
79a0689e
LW		 841# ifdef hp9000s500
842# include <ndir.h> /* may be wrong in the future */
843# else
844# include <sys/dir.h>
845# endif
663a0e37
LW		 846# endif
847# endif
4633a7c4 848#endif
a687059c 849
12ae5dfc
JH		 850#ifdef PERL_MICRO
851# ifndef DIR
852# define DIR void
853# endif
854#endif
855
352d5a3a
LW		 856#ifdef FPUTS_BOTCH
857/* work around botch in SunOS 4.0.1 and 4.0.2 */
858# ifndef fputs
79072805 859# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 860# endif
861#endif
862
c623bd54
LW		 863/*
864 * The following gobbledygook brought to you on behalf of __STDC__.
865 * (I could just use #ifndef __STDC__, but this is more bulletproof
866 * in the face of half-implementations.)
867 */
868
7114a2d2 869#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 870#include <sys/mode.h>
871#endif
872
c623bd54
LW		 873#ifndef S_IFMT
874# ifdef _S_IFMT
875# define S_IFMT _S_IFMT
876# else
877# define S_IFMT 0170000
878# endif
879#endif
880
881#ifndef S_ISDIR
882# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
883#endif
884
885#ifndef S_ISCHR
886# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
887#endif
888
889#ifndef S_ISBLK
fe14fcc3
LW		 890# ifdef S_IFBLK
891# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
892# else
893# define S_ISBLK(m) (0)
894# endif
c623bd54
LW		 895#endif
896
897#ifndef S_ISREG
898# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
899#endif
900
901#ifndef S_ISFIFO
fe14fcc3
LW		 902# ifdef S_IFIFO
903# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
904# else
905# define S_ISFIFO(m) (0)
906# endif
c623bd54
LW		 907#endif
908
909#ifndef S_ISLNK
910# ifdef _S_ISLNK
911# define S_ISLNK(m) _S_ISLNK(m)
912# else
913# ifdef _S_IFLNK
914# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
915# else
916# ifdef S_IFLNK
917# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
918# else
919# define S_ISLNK(m) (0)
920# endif
921# endif
922# endif
923#endif
924
925#ifndef S_ISSOCK
926# ifdef _S_ISSOCK
927# define S_ISSOCK(m) _S_ISSOCK(m)
928# else
929# ifdef _S_IFSOCK
930# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
931# else
932# ifdef S_IFSOCK
933# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
934# else
935# define S_ISSOCK(m) (0)
936# endif
937# endif
938# endif
939#endif
940
941#ifndef S_IRUSR
942# ifdef S_IREAD
943# define S_IRUSR S_IREAD
944# define S_IWUSR S_IWRITE
945# define S_IXUSR S_IEXEC
946# else
947# define S_IRUSR 0400
948# define S_IWUSR 0200
949# define S_IXUSR 0100
950# endif
fac7cdfc
JS		 951#endif
952
953#ifndef S_IRGRP
954# ifdef S_IRUSR
955# define S_IRGRP (S_IRUSR>>3)
956# define S_IWGRP (S_IWUSR>>3)
957# define S_IXGRP (S_IXUSR>>3)
958# else
959# define S_IRGRP 0040
960# define S_IWGRP 0020
961# define S_IXGRP 0010
962# endif
963#endif
964
965#ifndef S_IROTH
966# ifdef S_IRUSR
967# define S_IROTH (S_IRUSR>>6)
968# define S_IWOTH (S_IWUSR>>6)
969# define S_IXOTH (S_IXUSR>>6)
970# else
971# define S_IROTH 0040
972# define S_IWOTH 0020
973# define S_IXOTH 0010
974# endif
c623bd54
LW		 975#endif
976
977#ifndef S_ISUID
978# define S_ISUID 04000
979#endif
980
981#ifndef S_ISGID
982# define S_ISGID 02000
983#endif
984
ca6e1c26
JH		 985#ifndef S_IRWXU
986# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 987#endif
ca6e1c26
JH		 988
989#ifndef S_IRWXG
990# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 991#endif
ca6e1c26
JH		 992
993#ifndef S_IRWXO
994# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 995#endif
ca6e1c26 996
c21fb2b8
JH		 997/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
998 * which would get included through <sys/file.h >, but that is 3000
999 * lines in the future. --jhi */
1000
1001#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1002# define S_IREAD S_IRUSR
1003#endif
1004
c21fb2b8 1005#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1006# define S_IWRITE S_IWUSR
1007#endif
1008
1009#ifndef S_IEXEC
1010# define S_IEXEC S_IXUSR
1011#endif
1012
79072805
LW		 1013#ifdef ff_next
1014# undef ff_next
352d5a3a
LW		 1015#endif
1016
a0d0e21e 1017#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1018# define SLOPPYDIVIDE
1019#endif
1020
748a9306
LW		 1021#ifdef UV
1022#undef UV
1023#endif
1024
c89df6bf
JH		 1025#ifdef SPRINTF_E_BUG
1026# define sprintf UTS_sprintf_wrap
1027#endif
1028
c495e728
JH		 1029/* Configure gets this right but the UTS compiler gets it wrong.
1030 -- Hal Morris <hom00@utsglobal.com> */
1031#ifdef UTS
1032# undef UVTYPE
1033# define UVTYPE unsigned
1034#endif
1035
05f13f53 1036/*
27d4fb96 1037 The IV type is supposed to be long enough to hold any integral
1038 value or a pointer.
1039 --Andy Dougherty August 1996
1040*/
1041
a22e52b9
JH		 1042typedef IVTYPE IV;
1043typedef UVTYPE UV;
8175356b 1044
10cc9d2a 1045#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1046# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1047# define IV_MAX INT64_MAX
1048# define IV_MIN INT64_MIN
1049# define UV_MAX UINT64_MAX
cae7ae48
JH		 1050# ifndef UINT64_MIN
1051# define UINT64_MIN 0
1052# endif
5ff3f7a4
GS		 1053# define UV_MIN UINT64_MIN
1054# else
1055# define IV_MAX PERL_QUAD_MAX
1056# define IV_MIN PERL_QUAD_MIN
1057# define UV_MAX PERL_UQUAD_MAX
1058# define UV_MIN PERL_UQUAD_MIN
1059# endif
cf2093f6
JH		 1060# define IV_IS_QUAD
1061# define UV_IS_QUAD
79072805 1062#else
8175356b 1063# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1064# define IV_MAX INT32_MAX
1065# define IV_MIN INT32_MIN
716026f9
DL		 1066# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1067# define UV_MAX UINT32_MAX
1068# else
1069# define UV_MAX 4294967295U
1070# endif
cae7ae48
JH		 1071# ifndef UINT32_MIN
1072# define UINT32_MIN 0
1073# endif
5ff3f7a4
GS		 1074# define UV_MIN UINT32_MIN
1075# else
1076# define IV_MAX PERL_LONG_MAX
1077# define IV_MIN PERL_LONG_MIN
1078# define UV_MAX PERL_ULONG_MAX
1079# define UV_MIN PERL_ULONG_MIN
1080# endif
8175356b 1081# if IVSIZE == 8
cf2093f6
JH		 1082# define IV_IS_QUAD
1083# define UV_IS_QUAD
de1c2614
JH		 1084# ifndef HAS_QUAD
1085# define HAS_QUAD
1086# endif
cf2093f6
JH		 1087# else
1088# undef IV_IS_QUAD
1089# undef UV_IS_QUAD
de1c2614 1090# undef HAS_QUAD
cf2093f6 1091# endif
79072805 1092#endif
d7d93a81 1093
6cde8aec 1094#if defined(uts) || defined(UTS)
11afe549
HM		 1095# undef UV_MAX
1096# define UV_MAX (4294967295u)
20601011
JH		 1097#endif
1098
cae7ae48 1099#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1100#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1101
28e5dec8 1102#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1103#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1104#endif
1105
d460ef45 1106/*
26bb67e2
JH		 1107 * The macros INT2PTR and NUM2PTR are (despite their names)
1108 * bi-directional: they will convert int/float to or from pointers.
1109 * However the conversion to int/float are named explicitly:
1110 * PTR2IV, PTR2UV, PTR2NV.
1111 *
1112 * For int conversions we do not need two casts if pointers are
1113 * the same size as IV and UV. Otherwise we need an explicit
1114 * cast (PTRV) to avoid compiler warnings.
1115 */
56431972
RB		 1116#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1117# define PTRV UV
1118# define INT2PTR(any,d) (any)(d)
1119#else
d460ef45 1120# if PTRSIZE == LONGSIZE
56431972 1121# define PTRV unsigned long
42718184 1122# else
56431972 1123# define PTRV unsigned
42718184 1124# endif
56431972 1125# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1126#endif
56431972
RB		 1127#define NUM2PTR(any,d) (any)(PTRV)(d)
1128#define PTR2IV(p) INT2PTR(IV,p)
1129#define PTR2UV(p) INT2PTR(UV,p)
1130#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1131#if PTRSIZE == LONGSIZE
d2560b70
RB		 1132# define PTR2ul(p) (unsigned long)(p)
1133#else
1134# define PTR2ul(p) INT2PTR(unsigned long,p)
1135#endif
d460ef45 1136
65202027 1137#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1138# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1139# define LONG_DOUBLE_EQUALS_DOUBLE
1140# endif
68d4903c 1141# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1142# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1143# endif
1144#endif
1145
2d4389e4
JH		 1146#ifdef OVR_DBL_DIG
1147/* Use an overridden DBL_DIG */
1148# ifdef DBL_DIG
1149# undef DBL_DIG
1150# endif
1151# define DBL_DIG OVR_DBL_DIG
1152#else
1153/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1154 default value for printing floating point numbers in Gconvert
1155 (see config.h). (It also has other uses, such as figuring out if
1156 a given precision of printing can be done with a double instead of
1157 a long double - Allen).
2d4389e4
JH		 1158*/
1159#ifdef I_LIMITS
1160#include <limits.h>
1161#endif
1162#ifdef I_FLOAT
1163#include <float.h>
1164#endif
1165#ifndef HAS_DBL_DIG
1166#define DBL_DIG 15 /* A guess that works lots of places */
1167#endif
1168#endif
cbca01e1
JH		 1169#ifdef I_FLOAT
1170#include <float.h>
1171#endif
1172#ifndef HAS_DBL_DIG
1173#define DBL_DIG 15 /* A guess that works lots of places */
1174#endif
2d4389e4
JH		 1175
1176#ifdef OVR_LDBL_DIG
1177/* Use an overridden LDBL_DIG */
1178# ifdef LDBL_DIG
1179# undef LDBL_DIG
1180# endif
1181# define LDBL_DIG OVR_LDBL_DIG
1182#else
1183/* The following is all to get LDBL_DIG, in order to pick a nice
1184 default value for printing floating point numbers in Gconvert.
1185 (see config.h)
1186*/
68d4903c
JH		 1187# ifdef I_LIMITS
1188# include <limits.h>
1189# endif
1190# ifdef I_FLOAT
1191# include <float.h>
1192# endif
1193# ifndef HAS_LDBL_DIG
1194# if LONG_DOUBLESIZE == 10
1195# define LDBL_DIG 18 /* assume IEEE */
1196# else
1197# if LONG_DOUBLESIZE == 12
1198# define LDBL_DIG 18 /* gcc? */
1199# else
1200# if LONG_DOUBLESIZE == 16
1201# define LDBL_DIG 33 /* assume IEEE */
1202# else
1203# if LONG_DOUBLESIZE == DOUBLESIZE
1204# define LDBL_DIG DBL_DIG /* bummer */
1205# endif
1206# endif
1207# endif
1208# endif
1209# endif
2d4389e4
JH		 1210#endif
1211
20f6aaab
AS		 1212/*
1213 * This is for making sure we have a good DBL_MAX value, if possible,
1214 * either for usage as NV_MAX or for usage in figuring out if we can
1215 * fit a given long double into a double, if bug-fixing makes it
1216 * necessary to do so. - Allen <allens@cpan.org>
1217 */
1218
205f51d8
AS		 1219#ifdef I_LIMITS
1220# include <limits.h>
20f6aaab
AS		 1221#endif
1222
205f51d8
AS		 1223#ifdef I_VALUES
1224# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1225# include <values.h>
1226# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1227# define DBL_MAX MAXDOUBLE
1228# endif
1229# if defined(MINDOUBLE) && !defined(DBL_MIN)
1230# define DBL_MIN MINDOUBLE
1231# endif
1232# endif
1233#endif /* defined(I_VALUES) */
1234
a22e52b9 1235typedef NVTYPE NV;
8175356b 1236
792d8dab
JH		 1237#ifdef I_IEEEFP
1238# include <ieeefp.h>
1239#endif
923fc586 1240
65202027 1241#ifdef USE_LONG_DOUBLE
923fc586
JH		 1242# ifdef I_SUNMATH
1243# include <sunmath.h>
1244# endif
2d4389e4 1245# define NV_DIG LDBL_DIG
d6c14000
JH		 1246# ifdef LDBL_MANT_DIG
1247# define NV_MANT_DIG LDBL_MANT_DIG
1248# endif
06fc1729
JH		 1249# ifdef LDBL_MIN
1250# define NV_MIN LDBL_MIN
1251# endif
1252# ifdef LDBL_MAX
1253# define NV_MAX LDBL_MAX
1254# endif
1255# ifdef LDBL_MIN_10_EXP
1256# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1257# endif
1258# ifdef LDBL_MAX_10_EXP
1259# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1260# endif
1261# ifdef LDBL_EPSILON
1262# define NV_EPSILON LDBL_EPSILON
1263# endif
f4a14a62
JH		 1264# ifdef LDBL_MAX
1265# define NV_MAX LDBL_MAX
20f6aaab 1266/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1267# else
1268# ifdef HUGE_VALL
1269# define NV_MAX HUGE_VALL
1270# else
1271# ifdef HUGE_VAL
1272# define NV_MAX ((NV)HUGE_VAL)
1273# endif
1274# endif
1275# endif
68d4903c 1276# ifdef HAS_SQRTL
68d4903c
JH		 1277# define Perl_cos cosl
1278# define Perl_sin sinl
1279# define Perl_sqrt sqrtl
1280# define Perl_exp expl
1281# define Perl_log logl
1282# define Perl_atan2 atan2l
1283# define Perl_pow powl
1284# define Perl_floor floorl
1bbae031 1285# define Perl_ceil ceill
68d4903c
JH		 1286# define Perl_fmod fmodl
1287# endif
a3540c92
JH		 1288/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1289# ifdef HAS_MODFL
1290# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1291/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1292 prototype in <math.h> */
1293# ifndef HAS_MODFL_PROTO
1294long double modfl(long double, long double *);
1295# endif
03476e8e
JH		 1296# else
1297# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1298 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1299# define Perl_modf(x,y) Perl_my_modfl(x,y)
1300# endif
a3540c92
JH		 1301# endif
1302# ifdef HAS_FREXPL
dff3e0b8 1303# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1304# else
1305# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1306 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1307# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1308# endif
a3540c92 1309# endif
38dbb4c5 1310# ifndef Perl_isnan
758a5d79
JH		 1311# ifdef HAS_ISNANL
1312# define Perl_isnan(x) isnanl(x)
1313# endif
1314# endif
1315# ifndef Perl_isinf
1316# ifdef HAS_FINITEL
1317# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1318# endif
1319# endif
65202027 1320#else
2d4389e4 1321# define NV_DIG DBL_DIG
d6c14000
JH		 1322# ifdef DBL_MANT_DIG
1323# define NV_MANT_DIG DBL_MANT_DIG
1324# endif
06fc1729
JH		 1325# ifdef DBL_MIN
1326# define NV_MIN DBL_MIN
1327# endif
1328# ifdef DBL_MAX
1329# define NV_MAX DBL_MAX
1330# endif
1331# ifdef DBL_MIN_10_EXP
1332# define NV_MIN_10_EXP DBL_MIN_10_EXP
1333# endif
1334# ifdef DBL_MAX_10_EXP
1335# define NV_MAX_10_EXP DBL_MAX_10_EXP
1336# endif
1337# ifdef DBL_EPSILON
1338# define NV_EPSILON DBL_EPSILON
1339# endif
205f51d8 1340# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1341# define NV_MAX DBL_MAX
1342# define NV_MIN DBL_MIN
1343# else
1344# ifdef HUGE_VAL
1345# define NV_MAX HUGE_VAL
1346# endif
1347# endif
65202027
DS		 1348# define Perl_cos cos
1349# define Perl_sin sin
1350# define Perl_sqrt sqrt
1351# define Perl_exp exp
1352# define Perl_log log
1353# define Perl_atan2 atan2
1354# define Perl_pow pow
1355# define Perl_floor floor
1bbae031 1356# define Perl_ceil ceil
65202027 1357# define Perl_fmod fmod
a3540c92 1358# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1359# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1360#endif
1361
1362/* rumor has it that Win32 has _fpclass() */
1363
205f51d8
AS		 1364/* SGI has fpclassl... but not with the same result values,
1365 * and it's via a typedef (not via #define), so will need to redo Configure
1366 * to use. Not worth the trouble, IMO, at least until the below is used
1367 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1368 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1369 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1370
758a5d79
JH		 1371#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1372# ifdef I_IEEFP
1373# include <ieeefp.h>
1374# endif
1375# ifdef I_FP
1376# include <fp.h>
1377# endif
1378# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1379# define Perl_fp_class() fpclassl(x)
1380# else
1381# define Perl_fp_class() fpclass(x)
1382# endif
1383# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1384# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1385# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1386# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1387# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1388# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1389# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1390# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1391# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1392# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1393# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1394# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1395# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1396# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1397# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1398#endif
1399
7114a2d2 1400#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1401# include <math.h>
1402# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1403# include <fp_class.h>
1404# endif
1405# define Perl_fp_class(x) fp_class(x)
1406# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1407# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1408# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1409# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1410# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1411# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1412# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1413# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1414# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1415# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1416# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1417# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1418# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1419# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1420# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1421#endif
1422
1423#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1424# include <math.h>
1425# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1426# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1427# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1428# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1429# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1430# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1431#endif
1432
1433#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1434# include <math.h>
1435# ifndef _cplusplus
1436# define Perl_fp_class(x) class(x)
1437# else
1438# define Perl_fp_class(x) _class(x)
1439# endif
1440# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1441# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1442# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1443# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1444# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1445# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1446# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1447# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1448# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1449# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1450# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1451# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1452# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1453# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1454# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1455#endif
1456
1457/* rumor has it that Win32 has _isnan() */
1458
1459#ifndef Perl_isnan
a3540c92 1460# ifdef HAS_ISNAN
758a5d79
JH		 1461# define Perl_isnan(x) isnan((NV)x)
1462# else
1463# ifdef Perl_fp_class_nan
1464# define Perl_isnan(x) Perl_fp_class_nan(x)
1465# else
1466# ifdef HAS_UNORDERED
1467# define Perl_isnan(x) unordered((x), 0.0)
1468# else
1469# define Perl_isnan(x) ((x)!=(x))
1470# endif
1471# endif
1472# endif
1473#endif
1474
ca6c63e1
JH		 1475#ifdef UNDER_CE
1476int isnan(double d);
1477#endif
1478
758a5d79
JH		 1479#ifndef Perl_isinf
1480# ifdef HAS_ISINF
1481# define Perl_isinf(x) isinf((NV)x)
a3540c92 1482# else
758a5d79
JH		 1483# ifdef Perl_fp_class_inf
1484# define Perl_isinf(x) Perl_fp_class_inf(x)
1485# else
1486# define Perl_isinf(x) ((x)==NV_INF)
1487# endif
1488# endif
1489#endif
1490
1491#ifndef Perl_isfinite
1492# ifdef HAS_FINITE
1493# define Perl_isfinite(x) finite((NV)x)
1494# else
1495# ifdef HAS_ISFINITE
1496# define Perl_isfinite(x) isfinite(x)
1497# else
1498# ifdef Perl_fp_class_finite
1499# define Perl_isfinite(x) Perl_fp_class_finite(x)
1500# else
1501# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1502# endif
1503# endif
a3540c92 1504# endif
65202027
DS		 1505#endif
1506
a36244b7
JH		 1507/* The default is to use Perl's own atof() implementation (in numeric.c).
1508 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1509 * it is however best to use the native implementation of atof.
1510 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1511 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1512 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1513 * you may need to be using a different function than atof! */
a36244b7
JH		 1514
1515#ifndef USE_PERL_ATOF
1516# ifndef _UNICOS
1517# define USE_PERL_ATOF
1518# endif
1519#else
1520# if USE_PERL_ATOF == 0
1521# undef USE_PERL_ATOF
1522# endif
1523#endif
1524
1525#ifdef USE_PERL_ATOF
1526# define Perl_atof(s) Perl_my_atof(s)
1527# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1528#else
1529# define Perl_atof(s) (NV)atof(s)
1530# define Perl_atof2(s, n) ((n) = atof(s))
1531#endif
cf2093f6 1532
d460ef45 1533/* Previously these definitions used hardcoded figures.
760ac839
LW		 1534 * It is hoped these formula are more portable, although
1535 * no data one way or another is presently known to me.
1536 * The "PERL_" names are used because these calculated constants
1537 * do not meet the ANSI requirements for LONG_MAX, etc., which
1538 * need to be constants acceptable to #if - kja
1539 * define PERL_LONG_MAX 2147483647L
1540 * define PERL_LONG_MIN (-LONG_MAX - 1)
1541 * define PERL ULONG_MAX 4294967295L
1542 */
1543
1544#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1545# include <limits.h>
760ac839 1546#endif
205f51d8
AS		 1547/* Included values.h above if necessary; still including limits.h down here,
1548 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1549
99abf803 1550/*
1551 * Try to figure out max and min values for the integral types. THE CORRECT
1552 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1553 * following hacks are used if neither limits.h or values.h provide them:
1554 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1555 * for types < int: (unsigned TYPE)~(unsigned)0
1556 * The argument to ~ must be unsigned so that later signed->unsigned
1557 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1558 * and it must not be smaller than int because ~ does integral promotion.
1559 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1560 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1561 * The latter is a hack which happens to work on some machines but
1562 * does *not* catch any random system, or things like integer types
1563 * with NaN if that is possible.
1564 *
1565 * All of the types are explicitly cast to prevent accidental loss of
1566 * numeric range, and in the hope that they will be less likely to confuse
1567 * over-eager optimizers.
1568 *
1569 */
27d4fb96 1570
99abf803 1571#define PERL_UCHAR_MIN ((unsigned char)0)
1572
1573#ifdef UCHAR_MAX
1574# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1575#else
99abf803 1576# ifdef MAXUCHAR
1577# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1578# else
99abf803 1579# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1580# endif
1581#endif
d460ef45 1582
99abf803 1583/*
1584 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1585 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1586 * depending on local options. Until Configure detects this (or at least
1587 * detects whether the "signed" keyword is available) the CHAR ranges
1588 * will not be included. UCHAR functions normally.
1589 * - kja
1590 */
27d4fb96 1591
99abf803 1592#define PERL_USHORT_MIN ((unsigned short)0)
1593
1594#ifdef USHORT_MAX
1595# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1596#else
99abf803 1597# ifdef MAXUSHORT
1598# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1599# else
ef2f54b0
CB		 1600# ifdef USHRT_MAX
1601# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1602# else
1603# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1604# endif
27d4fb96 1605# endif
1606#endif
1607
27d4fb96 1608#ifdef SHORT_MAX
99abf803 1609# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1610#else
1611# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1612# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1613# else
ef2f54b0
CB		 1614# ifdef SHRT_MAX
1615# define PERL_SHORT_MAX ((short)SHRT_MAX)
1616# else
1617# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1618# endif
27d4fb96 1619# endif
1620#endif
1621
1622#ifdef SHORT_MIN
99abf803 1623# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1624#else
1625# ifdef MINSHORT
99abf803 1626# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1627# else
ef2f54b0
CB		 1628# ifdef SHRT_MIN
1629# define PERL_SHORT_MIN ((short)SHRT_MIN)
1630# else
1631# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1632# endif
27d4fb96 1633# endif
1634#endif
1635
99abf803 1636#ifdef UINT_MAX
1637# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1638#else
99abf803 1639# ifdef MAXUINT
1640# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1641# else
99abf803 1642# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1643# endif
1644#endif
1645
99abf803 1646#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1647
1648#ifdef INT_MAX
99abf803 1649# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1650#else
1651# ifdef MAXINT /* Often used in <values.h> */
99abf803 1652# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1653# else
99abf803 1654# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1655# endif
1656#endif
1657
1658#ifdef INT_MIN
99abf803 1659# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1660#else
1661# ifdef MININT
99abf803 1662# define PERL_INT_MIN ((int)MININT)
27d4fb96 1663# else
1664# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1665# endif
1666#endif
1667
99abf803 1668#ifdef ULONG_MAX
1669# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1670#else
99abf803 1671# ifdef MAXULONG
1672# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1673# else
99abf803 1674# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1675# endif
1676#endif
1677
99abf803 1678#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1679
760ac839 1680#ifdef LONG_MAX
99abf803 1681# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1682#else
1683# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1684# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1685# else
99abf803 1686# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1687# endif
1688#endif
1689
1690#ifdef LONG_MIN
99abf803 1691# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1692#else
1693# ifdef MINLONG
99abf803 1694# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1695# else
27d4fb96 1696# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1697# endif
1698#endif
1699
d7d93a81 1700#ifdef UV_IS_QUAD
99abf803 1701
99abf803 1702# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1703# define PERL_UQUAD_MIN ((UV)0)
99abf803 1704# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1705# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1706
79072805
LW		 1707#endif
1708
22f7c9c9
JH		 1709#ifdef MYMALLOC
1710# include "malloc_ctl.h"
1711#endif
1712
830247a4 1713struct RExC_state_t;
880b20b6 1714
ee0007ab 1715typedef MEM_SIZE STRLEN;
450a55e4 1716
79072805
LW		 1717typedef struct op OP;
1718typedef struct cop COP;
1719typedef struct unop UNOP;
1720typedef struct binop BINOP;
1721typedef struct listop LISTOP;
1722typedef struct logop LOGOP;
79072805
LW		 1723typedef struct pmop PMOP;
1724typedef struct svop SVOP;
7934575e 1725typedef struct padop PADOP;
79072805 1726typedef struct pvop PVOP;
79072805
LW		 1727typedef struct loop LOOP;
1728
93a17b20 1729typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1730
1731/* Amdahl's <ksync.h> has struct sv */
1732/* SGI's <sys/sema.h> has struct sv */
1733#if defined(UTS) || defined(__sgi)
1734# define STRUCT_SV perl_sv
b8d3c5db
JH		 1735#else
1736# define STRUCT_SV sv
1737#endif
1738typedef struct STRUCT_SV SV;
79072805
LW		 1739typedef struct av AV;
1740typedef struct hv HV;
1741typedef struct cv CV;
378cc40b 1742typedef struct regexp REGEXP;
79072805 1743typedef struct gp GP;
0c30d9ec 1744typedef struct gv GV;
8990e307 1745typedef struct io IO;
c09156bb 1746typedef struct context PERL_CONTEXT;
79072805
LW		 1747typedef struct block BLOCK;
1748
1749typedef struct magic MAGIC;
ed6116ce 1750typedef struct xrv XRV;
79072805
LW		 1751typedef struct xpv XPV;
1752typedef struct xpviv XPVIV;
ff68c719 1753typedef struct xpvuv XPVUV;
79072805
LW		 1754typedef struct xpvnv XPVNV;
1755typedef struct xpvmg XPVMG;
1756typedef struct xpvlv XPVLV;
1757typedef struct xpvav XPVAV;
1758typedef struct xpvhv XPVHV;
1759typedef struct xpvgv XPVGV;
1760typedef struct xpvcv XPVCV;
1761typedef struct xpvbm XPVBM;
1762typedef struct xpvfm XPVFM;
8990e307 1763typedef struct xpvio XPVIO;
79072805
LW		 1764typedef struct mgvtbl MGVTBL;
1765typedef union any ANY;
5f7fde29
GS		 1766typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1767typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1768typedef struct clone_params CLONE_PARAMS;
1769
8d063cd8 1770
378cc40b 1771#include "handy.h"
a0d0e21e 1772
6b8eaf93 1773#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1774# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1775# define USE_64_BIT_RAWIO /* implicit */
1776# endif
4564133c
JH		 1777#endif
1778
6b8eaf93
JH		 1779/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1780 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1781 * however, because operating systems like to do that themself. */
1782#ifndef FSEEKSIZE
1783# ifdef HAS_FSEEKO
1784# define FSEEKSIZE LSEEKSIZE
1785# else
1786# define FSEEKSIZE LONGSIZE
d460ef45 1787# endif
6b8eaf93
JH		 1788#endif
1789
1790#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1791# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1792# define USE_64_BIT_STDIO /* implicit */
1793# endif
1794#endif
4564133c 1795
09458382 1796#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1797# ifdef HAS_OFF64_T
1798# undef Off_t
1799# define Off_t off64_t
1800# undef LSEEKSIZE
1801# define LSEEKSIZE 8
5ff3f7a4 1802# endif
d9b3e12d
JH		 1803/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1804 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1805 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1806# if defined(USE_OPEN64)
1807# define open open64
5ff3f7a4 1808# endif
d9b3e12d
JH		 1809# if defined(USE_LSEEK64)
1810# define lseek lseek64
6b8eaf93
JH		 1811# else
1812# if defined(USE_LLSEEK)
1813# define lseek llseek
1814# endif
d9b3e12d
JH		 1815# endif
1816# if defined(USE_STAT64)
1817# define stat stat64
1818# endif
1819# if defined(USE_FSTAT64)
1820# define fstat fstat64
1821# endif
1822# if defined(USE_LSTAT64)
1823# define lstat lstat64
1824# endif
1825# if defined(USE_FLOCK64)
1826# define flock flock64
1827# endif
1828# if defined(USE_LOCKF64)
1829# define lockf lockf64
1830# endif
1831# if defined(USE_FCNTL64)
1832# define fcntl fcntl64
1833# endif
1834# if defined(USE_TRUNCATE64)
1835# define truncate truncate64
1836# endif
1837# if defined(USE_FTRUNCATE64)
1838# define ftruncate ftruncate64
1839# endif
1840#endif
1841
1842#ifdef USE_64_BIT_STDIO
1843# ifdef HAS_FPOS64_T
1844# undef Fpos_t
1845# define Fpos_t fpos64_t
1846# endif
1847/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1848 * will trigger defines like the ones below. Some 64-bit environments,
1849 * however, do not. */
1850# if defined(USE_FOPEN64)
1851# define fopen fopen64
1852# endif
1853# if defined(USE_FSEEK64)
6b8eaf93 1854# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1855# endif
1856# if defined(USE_FTELL64)
6b8eaf93 1857# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1858# endif
1859# if defined(USE_FSETPOS64)
1860# define fsetpos fsetpos64
1861# endif
1862# if defined(USE_FGETPOS64)
1863# define fgetpos fgetpos64
1864# endif
1865# if defined(USE_TMPFILE64)
1866# define tmpfile tmpfile64
1867# endif
1868# if defined(USE_FREOPEN64)
1869# define freopen freopen64
5ff3f7a4
GS		 1870# endif
1871#endif
1872
af8b425d 1873#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1874# include "iperlsys.h"
1875#endif
1876
6f71a643 1877#if defined(__OPEN_VM)
19848b3f
JH		 1878# include "vmesa/vmesaish.h"
1879# define ISHISH "vmesa"
6f71a643
JH		 1880#endif
1881
748a9306 1882#ifdef DOSISH
19848b3f
JH		 1883# if defined(OS2)
1884# include "os2ish.h"
1885# else
1886# include "dosish.h"
1887# endif
1888# define ISHISH "dos"
1889#endif
1890
1891#if defined(VMS)
748a9306 1892# include "vmsish.h"
96e176bf 1893# include "embed.h"
19848b3f
JH		 1894# define ISHISH "vms"
1895#endif
1896
1897#if defined(PLAN9)
1898# include "./plan9/plan9ish.h"
1899# define ISHISH "plan9"
1900#endif
1901
1902#if defined(MPE)
1903# include "mpeix/mpeixish.h"
1904# define ISHISH "mpeix"
1905#endif
1906
1907#if defined(__VOS__)
196918b0
PG		 1908# ifdef __GNUC__
1909# include "./vos/vosish.h"
1910# else
1911# include "vos/vosish.h"
1912# endif
19848b3f
JH		 1913# define ISHISH "vos"
1914#endif
1915
1916#if defined(EPOC)
1917# include "epocish.h"
1918# define ISHISH "epoc"
1919#endif
1920
1921#if defined(MACOS_TRADITIONAL)
1922# include "macos/macish.h"
1923# ifndef NO_ENVIRON_ARRAY
1924# define NO_ENVIRON_ARRAY
0c30d9ec 1925# endif
19848b3f
JH		 1926# define ISHISH "macos classic"
1927#endif
1928
efca5cc6
JH		 1929#if defined(__BEOS__)
1930# include "beos/beosish.h"
1931# define ISHISH "beos"
1932#endif
1933
19848b3f
JH		 1934#ifndef ISHISH
1935# include "unixish.h"
1936# define ISHISH "unix"
13b6e58c
JH		 1937#endif
1938
1939#ifndef NO_ENVIRON_ARRAY
1940# define USE_ENVIRON_ARRAY
1941#endif
32f822de 1942
c77b533b
JH		 1943/*
1944 * initialise to avoid floating-point exceptions from overflow, etc
1945 */
1946#ifndef PERL_FPU_INIT
1947# ifdef HAS_FPSETMASK
1948# if HAS_FLOATINGPOINT_H
1949# include <floatingpoint.h>
1950# endif
1951# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1952# else
2f42fcb0 1953# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 1954# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 1955# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1956# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1957# else
1958# define PERL_FPU_INIT
2f42fcb0 1959
7014c407 1960# endif
c77b533b
JH		 1961# endif
1962#endif
b35112e7
CS		 1963#ifndef PERL_FPU_PRE_EXEC
1964# define PERL_FPU_PRE_EXEC {
1965# define PERL_FPU_POST_EXEC }
1966#endif
c77b533b 1967
ed344e4f
IZ		 1968#ifndef PERL_SYS_INIT3
1969# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1970#endif
1971
be708cc0
JH		 1972#ifndef PERL_WRITE_MSG_TO_CONSOLE
1973# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1974#endif
1975
0f31cffe
GS		 1976#ifndef MAXPATHLEN
1977# ifdef PATH_MAX
b990c8b2
JH		 1978# ifdef _POSIX_PATH_MAX
1979# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1980/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1981 * included the null byte or not. Later amendments of POSIX,
1982 * XPG4, the Austin Group, and the Single UNIX Specification
1983 * all explicitly include the null byte in the PATH_MAX.
1984 * Ditto for _POSIX_PATH_MAX. */
1985# define MAXPATHLEN PATH_MAX
b990c8b2 1986# else
09448d78 1987# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1988# endif
1989# else
1990# define MAXPATHLEN (PATH_MAX+1)
1991# endif
0f31cffe 1992# else
b990c8b2 1993# ifdef _POSIX_PATH_MAX
09448d78 1994# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1995# else
1996# define MAXPATHLEN 1024 /* Err on the large side. */
1997# endif
0f31cffe
GS		 1998# endif
1999#endif
2000
3db8f154 2001/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2002 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2003 * this results in many functions being undeclared which bothers C++
2004 * May make sense to have threads after "*ish.h" anyway
2005 */
2006
3db8f154 2007#if defined(USE_ITHREADS)
2986a63f
JH		 2008# ifdef NETWARE
2009# include <nw5thread.h>
2010# else
32f822de
GS		 2011# ifdef FAKE_THREADS
2012# include "fakethr.h"
2013# else
2014# ifdef WIN32
2015# include <win32thread.h>
2016# else
dd96f567
IZ		 2017# ifdef OS2
2018# include "os2thread.h"
2019# else
7f3d1cf1 2020# ifdef I_MACH_CTHREADS
bdd66968 2021# include <mach/cthreads.h>
8f1f23e8 2022# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2023# define MUTEX_INIT_CALLS_MALLOC
2024# endif
7f3d1cf1
BH		 2025typedef cthread_t perl_os_thread;
2026typedef mutex_t perl_mutex;
2027typedef condition_t perl_cond;
2028typedef void * perl_key;
2029# else /* Posix threads */
1f5ae88c
JH		 2030# ifdef I_PTHREAD
2031# include <pthread.h>
2032# endif
7f3d1cf1
BH		 2033typedef pthread_t perl_os_thread;
2034typedef pthread_mutex_t perl_mutex;
2035typedef pthread_cond_t perl_cond;
2036typedef pthread_key_t perl_key;
2037# endif /* I_MACH_CTHREADS */
dd96f567 2038# endif /* OS2 */
32f822de
GS		 2039# endif /* WIN32 */
2040# endif /* FAKE_THREADS */
2986a63f 2041#endif /* NETWARE */
3db8f154 2042#endif /* USE_ITHREADS */
c5be433b 2043
66a93824 2044#if defined(WIN32)
1feb2720 2045# include "win32.h"
c5be433b
GS		 2046#endif
2047
2986a63f
JH		 2048#ifdef NETWARE
2049# include "netware.h"
2050#endif
2051
68dc0745 2052#ifdef VMS
6b88bc9c 2053# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2054# define STATUS_NATIVE_EXPORT \
d98f61e7 2055 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2056# define STATUS_NATIVE_SET(n) \
2057 STMT_START { \
6b88bc9c
GS		 2058 PL_statusvalue_vms = (n); \
2059 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2060 PL_statusvalue = -1; \
6b88bc9c 2061 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2062 PL_statusvalue = 0; \
6b88bc9c
GS		 2063 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2064 PL_statusvalue = 1 << 8; \
68dc0745 2065 else \
6b88bc9c 2066 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2067 } STMT_END
3280af22 2068# define STATUS_POSIX PL_statusvalue
68dc0745 2069# ifdef VMSISH_STATUS
2070# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2071# else
2072# define STATUS_CURRENT STATUS_POSIX
2073# endif
2074# define STATUS_POSIX_SET(n) \
2075 STMT_START { \
3280af22
NIS		 2076 PL_statusvalue = (n); \
2077 if (PL_statusvalue != -1) { \
2078 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2079 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2080 } \
6b88bc9c 2081 else PL_statusvalue_vms = -1; \
68dc0745 2082 } STMT_END
6b88bc9c
GS		 2083# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2084# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2085#else
2086# define STATUS_NATIVE STATUS_POSIX
2087# define STATUS_NATIVE_EXPORT STATUS_POSIX
2088# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2089# define STATUS_POSIX PL_statusvalue
68dc0745 2090# define STATUS_POSIX_SET(n) \
2091 STMT_START { \
3280af22
NIS		 2092 PL_statusvalue = (n); \
2093 if (PL_statusvalue != -1) \
2094 PL_statusvalue &= 0xFFFF; \
68dc0745 2095 } STMT_END
2096# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2097# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2098# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2099#endif
2100
cc3604b1
GS		 2101/* flags in PL_exit_flags for nature of exit() */
2102#define PERL_EXIT_EXPECTED 0x01
31d77e54 2103#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2104
0b94c7bb 2105#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2106# define MEMBER_TO_FPTR(name) name
2107#endif
2108
2109/* format to use for version numbers in file/directory names */
273cf8d1 2110/* XXX move to Configure? */
a7cb1f99 2111#ifndef PERL_FS_VER_FMT
273cf8d1 2112# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2113#endif
2114
45bc9206 2115/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2116 * performance issue, so we allow people to disable it. Also, if
2117 * we are using stdio, there are broken implementations of fflush(NULL)
2118 * out there, Solaris being the most prominent.
45bc9206
GS		 2119 */
2120#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2121# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2122# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2123# else
2124# ifdef FFLUSH_ALL
2125# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2126# else
c5be433b 2127# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2128# endif
66fe083f 2129# endif
45bc9206
GS		 2130#endif
2131
7766f137
GS		 2132#ifndef PERL_WAIT_FOR_CHILDREN
2133# define PERL_WAIT_FOR_CHILDREN NOOP
2134#endif
2135
ba869deb 2136/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2137#ifndef PERL_SET_INTERP
2138# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2139#endif
2140
2141#ifndef PERL_GET_INTERP
2142# define PERL_GET_INTERP (PL_curinterp)
2143#endif
2144
54aff467 2145#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2146# ifdef MULTIPLICITY
ba869deb 2147# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2148# endif
ba869deb
GS		 2149# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2150#endif
2151
894356b3
GS		 2152#ifndef SVf
2153# ifdef CHECK_FORMAT
2154# define SVf "p"
84c133a0
RB		 2155# ifndef SVf256
2156# define SVf256 SVf
2157# endif
894356b3
GS		 2158# else
2159# define SVf "_"
d460ef45 2160# endif
894356b3
GS		 2161#endif
2162
84c133a0
RB		 2163#ifndef SVf256
2164# define SVf256 ".256"SVf
2165#endif
2166
d2560b70
RB		 2167#ifndef UVf
2168# ifdef CHECK_FORMAT
2169# define UVf UVuf
2170# else
2171# define UVf "Vu"
d460ef45 2172# endif
d2560b70
RB		 2173#endif
2174
2175#ifndef VDf
2176# ifdef CHECK_FORMAT
2177# define VDf "p"
2178# else
2179# define VDf "vd"
d460ef45 2180# endif
d2560b70
RB		 2181#endif
2182
b3fe4827
RB		 2183#ifndef Nullformat
2184# ifdef CHECK_FORMAT
2185# define Nullformat "%s",""
2186# else
2187# define Nullformat Nullch
2188# endif
2189#endif
2190
287c8091
RB		 2191#ifndef __attribute__format__
2192# ifdef CHECK_FORMAT
2193# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2194# else
2195# define __attribute__format__(x,y,z)
2196# endif
2197#endif
2198
3fc1aec6 2199/* Some unistd.h's give a prototype for pause() even though
2200 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2201 below to be rejected by the compiler. Sigh.
3fc1aec6 2202*/
2203#ifdef HAS_PAUSE
2204#define Pause pause
2205#else
2206#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2207#endif
2208
2209#ifndef IOCPARM_LEN
2210# ifdef IOCPARM_MASK
2211 /* on BSDish systes we're safe */
2212# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2213# else
2214 /* otherwise guess at what's safe */
2215# define IOCPARM_LEN(x) 256
2216# endif
a0d0e21e
LW		 2217#endif
2218
1761cee5 2219#if defined(__CYGWIN__)
521e0776
GS		 2220/* USEMYBINMODE
2221 * This symbol, if defined, indicates that the program should
16fe6d59 2222 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2223 * that a file is in "binary" mode -- that is, that no translation
2224 * of bytes occurs on read or write operations.
2225 */
36894f0b 2226# define USEMYBINMODE /**/
77a40698 2227# include <io.h> /* for setmode() prototype */
16fe6d59 2228# define my_binmode(fp, iotype, mode) \
77a40698 2229 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2230#endif
2231
88d10794
JH		 2232#ifdef __CYGWIN__
2233void init_os_extras(void);
2234#endif
2235
cea2e8a9
GS		 2236#ifdef UNION_ANY_DEFINITION
2237UNION_ANY_DEFINITION;
2238#else
2239union any {
2240 void* any_ptr;
2241 I32 any_i32;
2242 IV any_iv;
2243 long any_long;
9febdf04 2244 bool any_bool;
c76ac1ee 2245 void (*any_dptr) (void*);
acfe0abc 2246 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2247};
2248#endif
2249
acfe0abc 2250typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2251
2252#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2253#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2254#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2255
c5078cac
JH		 2256#if defined(_AIX) && !defined(_AIX43)
2257#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2258/* We cannot include <crypt.h> to get the struct crypt_data
2259 * because of setkey prototype problems when threading */
2260typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2261 /* From OSF, Not needed in AIX
2262 char C[28], D[28];
2263 */
2264 char E[48];
2265 char KS[16][48];
2266 char block[66];
2267 char iobuf[16];
2268} CRYPTD;
2269#endif /* threading */
2270#endif /* AIX */
2271
af8b425d 2272#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2273# include "iperlsys.h"
2274#endif
504f80c1 2275
d10dc2ae
JH		 2276/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2277 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2278 * defined by Configure, despite their names being similar to the
2279 * other defines like USE_ITHREADS. Configure in fact knows nothing
2280 * about the randomised hashes. Therefore to enable/disable the hash
2281 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2282#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2283# define USE_HASH_SEED
504f80c1
JH		 2284#endif
2285
378cc40b 2286#include "regexp.h"
79072805 2287#include "sv.h"
378cc40b 2288#include "util.h"
8d063cd8 2289#include "form.h"
79072805 2290#include "gv.h"
dd2155a4 2291#include "pad.h"
79072805 2292#include "cv.h"
abdd5c84 2293#include "opnames.h"
79072805
LW		 2294#include "op.h"
2295#include "cop.h"
2296#include "av.h"
2297#include "hv.h"
2298#include "mg.h"
2299#include "scope.h"
4438c4b7 2300#include "warnings.h"
a0ed51b3 2301#include "utf8.h"
8d063cd8 2302
7fae4e64
GS		 2303/* Current curly descriptor */
2304typedef struct curcur CURCUR;
2305struct curcur {
2306 int parenfloor; /* how far back to strip paren data */
2307 int cur; /* how many instances of scan we've matched */
2308 int min; /* the minimal number of scans to match */
2309 int max; /* the maximal number of scans to match */
2310 int minmod; /* whether to work our way up or down */
2311 regnode * scan; /* the thing to match */
2312 regnode * next; /* what has to match after it */
2313 char * lastloc; /* where we started matching this scan */
2314 CURCUR * oldcc; /* current curly before we started this one */
2315};
2316
2317typedef struct _sublex_info SUBLEXINFO;
2318struct _sublex_info {
2319 I32 super_state; /* lexer state to save */
2320 I32 sub_inwhat; /* "lex_inwhat" to use */
2321 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2322 char *super_bufptr; /* PL_bufptr that was */
2323 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2324};
2325
455ece5e 2326typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2327
2c2d71f5 2328struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2329struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2330
2331typedef I32 CHECKPOINT;
76e3520e 2332
5f7fde29
GS		 2333struct ptr_tbl_ent {
2334 struct ptr_tbl_ent* next;
2335 void* oldval;
2336 void* newval;
d18c6117
GS		 2337};
2338
5f7fde29
GS		 2339struct ptr_tbl {
2340 struct ptr_tbl_ent** tbl_ary;
2341 UV tbl_max;
2342 UV tbl_items;
d18c6117
GS		 2343};
2344
450a55e4 2345#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2346# define I286
2347#endif
2348
fe14fcc3
LW		 2349#if defined(htonl) && !defined(HAS_HTONL)
2350#define HAS_HTONL
ae986130 2351#endif
fe14fcc3
LW		 2352#if defined(htons) && !defined(HAS_HTONS)
2353#define HAS_HTONS
ae986130 2354#endif
fe14fcc3
LW		 2355#if defined(ntohl) && !defined(HAS_NTOHL)
2356#define HAS_NTOHL
ae986130 2357#endif
fe14fcc3
LW		 2358#if defined(ntohs) && !defined(HAS_NTOHS)
2359#define HAS_NTOHS
ae986130 2360#endif
fe14fcc3 2361#ifndef HAS_HTONL
d9d8d8de 2362#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2363#define HAS_HTONS
2364#define HAS_HTONL
2365#define HAS_NTOHS
2366#define HAS_NTOHL
a687059c
LW		 2367#define MYSWAP
2368#define htons my_swap
2369#define htonl my_htonl
2370#define ntohs my_swap
2371#define ntohl my_ntohl
2372#endif
2373#else
d9d8d8de 2374#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2375#undef HAS_HTONS
2376#undef HAS_HTONL
2377#undef HAS_NTOHS
2378#undef HAS_NTOHL
a687059c
LW		 2379#endif
2380#endif
2381
988174c1
LW		 2382/*
2383 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2384 * -DWS
2385 */
2386#if BYTEORDER != 0x1234
2387# define HAS_VTOHL
2388# define HAS_VTOHS
2389# define HAS_HTOVL
2390# define HAS_HTOVS
c67712b2 2391# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2392# define vtohl(x) ((((x)&0xFF)<<24) \
2393 +(((x)>>24)&0xFF) \
2394 +(((x)&0x0000FF00)<<8) \
2395 +(((x)&0x00FF0000)>>8) )
2396# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2397# define htovl(x) vtohl(x)
2398# define htovs(x) vtohs(x)
2399# endif
2400 /* otherwise default to functions in util.c */
2a8c3029 2401#ifndef htovs
c623ac67
GS		 2402short htovs(short n);
2403short vtohs(short n);
2404long htovl(long n);
2405long vtohl(long n);
988174c1 2406#endif
2a8c3029 2407#endif
988174c1 2408
3bb7c1b4
JH		 2409/* *MAX Plus 1. A floating point value.
2410 Hopefully expressed in a way that dodgy floating point can't mess up.
2411 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2412 is added to it
2413 May find that some broken compiler will want the value cast to I32.
2414 [after the shift, as signed >> may not be as secure as unsigned >>]
2415*/
2416#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2417#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2418/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2419 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2420 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2421*/
2422#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2423
3bb7c1b4
JH		 2424#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2425#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2426#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2427
2428/* This may look like unnecessary jumping through hoops, but converting
2429 out of range floating point values to integers *is* undefined behaviour,
2430 and it is starting to bite.
2431*/
2432#ifndef CAST_INLINE
65202027 2433#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2434#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2435#define I_V(what) (cast_iv((NV)(what)))
2436#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2437#else
2438#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2439 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2440 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2441#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2442 : ((n) < U32_MAX_P1 ? (U32) (n) \
2443 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2444#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2445 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2446 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2447#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2448 : ((n) < UV_MAX_P1 ? (UV) (n) \
2449 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2450#endif
2451
2452#define U_S(what) ((U16)U_32(what))
2453#define U_I(what) ((unsigned int)U_32(what))
2454#define U_L(what) U_32(what)
ed6116ce 2455
2d4389e4
JH		 2456/* These do not care about the fractional part, only about the range. */
2457#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2458#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2459
25da4f38
IZ		 2460/* Used with UV/IV arguments: */
2461 /* XXXX: need to speed it up */
2462#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2463#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2464
352d5a3a
LW		 2465#ifndef MAXSYSFD
2466# define MAXSYSFD 2
2467#endif
ee0007ab 2468
79072805 2469#ifndef __cplusplus
e1caacb4 2470#ifndef UNDER_CE
20ce7b12
GS		 2471Uid_t getuid (void);
2472Uid_t geteuid (void);
2473Gid_t getgid (void);
2474Gid_t getegid (void);
79072805 2475#endif
e1caacb4 2476#endif
8d063cd8 2477
0c30d9ec 2478#ifndef Perl_debug_log
bf49b057
GS		 2479# define Perl_debug_log PerlIO_stderr()
2480#endif
2481
2482#ifndef Perl_error_log
2483# define Perl_error_log (PL_stderrgv \
6b78add2 2484 && isGV(PL_stderrgv) \
01bb7c6d 2485 && GvIOp(PL_stderrgv) \
42de951c 2486 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2487 ? IoOFP(GvIOp(PL_stderrgv)) \
2488 : PerlIO_stderr())
0c30d9ec 2489#endif
3967c732 2490
aea4f609
DM		 2491
2492#define DEBUG_p_FLAG 0x00000001 /* 1 */
2493#define DEBUG_s_FLAG 0x00000002 /* 2 */
2494#define DEBUG_l_FLAG 0x00000004 /* 4 */
2495#define DEBUG_t_FLAG 0x00000008 /* 8 */
2496#define DEBUG_o_FLAG 0x00000010 /* 16 */
2497#define DEBUG_c_FLAG 0x00000020 /* 32 */
2498#define DEBUG_P_FLAG 0x00000040 /* 64 */
2499#define DEBUG_m_FLAG 0x00000080 /* 128 */
2500#define DEBUG_f_FLAG 0x00000100 /* 256 */
2501#define DEBUG_r_FLAG 0x00000200 /* 512 */
2502#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2503#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2504 /* spare */
aea4f609
DM		 2505#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2506#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2507#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2508#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2509#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2510#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2511#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2512#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2513#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2514#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2515#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2516#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2517
2518#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2519#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2520 that something was done? */
aea4f609 2521
bd16a5f0
IZ		 2522# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2523# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2524# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2525# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2526# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2527# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2528# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2529# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2530# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2531# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2532# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2533# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2534# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2535# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2536# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2537# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2538# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2539# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2540# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2541# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2542# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 2543# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2544# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2545# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2546
3967c732 2547#ifdef DEBUGGING
aea4f609 2548
bd16a5f0
IZ		 2549# define DEBUG_p_TEST DEBUG_p_TEST_
2550# define DEBUG_s_TEST DEBUG_s_TEST_
2551# define DEBUG_l_TEST DEBUG_l_TEST_
2552# define DEBUG_t_TEST DEBUG_t_TEST_
2553# define DEBUG_o_TEST DEBUG_o_TEST_
2554# define DEBUG_c_TEST DEBUG_c_TEST_
2555# define DEBUG_P_TEST DEBUG_P_TEST_
2556# define DEBUG_m_TEST DEBUG_m_TEST_
2557# define DEBUG_f_TEST DEBUG_f_TEST_
2558# define DEBUG_r_TEST DEBUG_r_TEST_
2559# define DEBUG_x_TEST DEBUG_x_TEST_
2560# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2561# define DEBUG_H_TEST DEBUG_H_TEST_
2562# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2563# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2564# define DEBUG_D_TEST DEBUG_D_TEST_
2565# define DEBUG_S_TEST DEBUG_S_TEST_
2566# define DEBUG_T_TEST DEBUG_T_TEST_
2567# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2568# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2569# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2570# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 2571# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 2572# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 2573
488b0c7a
JH		 2574# define PERL_DEB(a) a
2575# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2576# define DEBUG_p(a) if (DEBUG_p_TEST) a
2577# define DEBUG_s(a) if (DEBUG_s_TEST) a
2578# define DEBUG_l(a) if (DEBUG_l_TEST) a
2579# define DEBUG_t(a) if (DEBUG_t_TEST) a
2580# define DEBUG_o(a) if (DEBUG_o_TEST) a
2581# define DEBUG_c(a) if (DEBUG_c_TEST) a
2582# define DEBUG_P(a) if (DEBUG_P_TEST) a
2583
969058bb
VK		 2584 /* Temporarily turn off memory debugging in case the a
2585 * does memory allocation, either directly or indirectly. */
acfe0abc 2586# define DEBUG_m(a) \
0b250b9e 2587 STMT_START { \
aea4f609 2588 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2589 } STMT_END
aea4f609 2590
5f80b19c
AMS		 2591# define DEBUG__(t, a) \
2592 STMT_START { \
2593 if (t) STMT_START {a;} STMT_END; \
2594 } STMT_END
2595
2596# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2597# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2598# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2599# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2600# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2601# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2602# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2603# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2604
3db8f154 2605# define DEBUG_S(a)
aea4f609 2606
5f80b19c
AMS		 2607# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2608# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2609# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2610# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 2611# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2612# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 2613
2614#else /* DEBUGGING */
2615
2616# define DEBUG_p_TEST (0)
2617# define DEBUG_s_TEST (0)
2618# define DEBUG_l_TEST (0)
2619# define DEBUG_t_TEST (0)
2620# define DEBUG_o_TEST (0)
2621# define DEBUG_c_TEST (0)
2622# define DEBUG_P_TEST (0)
2623# define DEBUG_m_TEST (0)
2624# define DEBUG_f_TEST (0)
2625# define DEBUG_r_TEST (0)
2626# define DEBUG_x_TEST (0)
2627# define DEBUG_u_TEST (0)
aea4f609
DM		 2628# define DEBUG_H_TEST (0)
2629# define DEBUG_X_TEST (0)
dd2155a4 2630# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2631# define DEBUG_D_TEST (0)
2632# define DEBUG_S_TEST (0)
2633# define DEBUG_T_TEST (0)
04932ac8 2634# define DEBUG_R_TEST (0)
1045810a 2635# define DEBUG_J_TEST (0)
d6721266 2636# define DEBUG_v_TEST (0)
46187eeb 2637# define DEBUG_C_TEST (0)
ecae49c0
NC		 2638# define DEBUG_A_TEST (0)
2639# define DEBUG_q_TEST (0)
aea4f609 2640
488b0c7a
JH		 2641# define PERL_DEB(a)
2642# define PERL_DEBUG(a)
aea4f609
DM		 2643# define DEBUG_p(a)
2644# define DEBUG_s(a)
2645# define DEBUG_l(a)
2646# define DEBUG_t(a)
2647# define DEBUG_o(a)
2648# define DEBUG_c(a)
2649# define DEBUG_P(a)
2650# define DEBUG_m(a)
2651# define DEBUG_f(a)
2652# define DEBUG_r(a)
2653# define DEBUG_x(a)
2654# define DEBUG_u(a)
aea4f609
DM		 2655# define DEBUG_H(a)
2656# define DEBUG_X(a)
dd2155a4 2657# define DEBUG_Xv(a)
aea4f609
DM		 2658# define DEBUG_D(a)
2659# define DEBUG_S(a)
2660# define DEBUG_T(a)
04932ac8 2661# define DEBUG_R(a)
d6721266 2662# define DEBUG_v(a)
46187eeb 2663# define DEBUG_C(a)
ecae49c0
NC		 2664# define DEBUG_A(a)
2665# define DEBUG_q(a)
aea4f609
DM		 2666#endif /* DEBUGGING */
2667
2668
b4ab917c
DM		 2669#define DEBUG_SCOPE(where) \
2670 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2671 where, PL_scopestack_ix, __FILE__, __LINE__)));
2672
2673
2674
2675
d1be9408 2676/* These constants should be used in preference to raw characters
14befaf4
DM		 2677 * when using magic. Note that some perl guts still assume
2678 * certain character properties of these constants, namely that
2679 * isUPPER() and toLOWER() may do useful mappings.
2680 *
2681 * Update the magic_names table in dump.c when adding/amending these
2682 */
2683
2684#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2685#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2686#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2687#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2688#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2689#define PERL_MAGIC_regdata 'D' /* Regex match position data
2690 (@+ and @- vars) */
2691#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2692#define PERL_MAGIC_env 'E' /* %ENV hash */
2693#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2694#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2695#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2696#define PERL_MAGIC_isa 'I' /* @ISA array */
2697#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2698#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2699#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2700#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2701#define PERL_MAGIC_mutex 'm' /* for lock op */
2702#define PERL_MAGIC_shared 'N' /* Shared between threads */
2703#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2704#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2705#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2706#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2707#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2708#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2709#define PERL_MAGIC_sig 'S' /* %SIG hash */
2710#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2711#define PERL_MAGIC_taint 't' /* Taintedness */
2712#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2713#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2714#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2715#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2716#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2717#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2718#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2719 smart parameter vivification */
2720#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2721#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2722#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2723#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2724#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2725
2726
a6e633de 2727#ifndef assert /* <assert.h> might have been included somehow */
a446a88f 2728#ifdef DEBUGGING
488b0c7a 2729#define assert(what) PERL_DEB( { \
a446a88f
NIS		 2730 if (!(what)) { \
2731 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2732 __FILE__, __LINE__); \
2733 PerlProc_exit(1); \
2734 }})
2735#else
488b0c7a 2736#define assert(what) PERL_DEB( { \
79072805 2737 if (!(what)) { \
cea2e8a9 2738 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2739 __FILE__, __LINE__); \
cea2e8a9 2740 PerlProc_exit(1); \
79072805 2741 }})
a6e633de 2742#endif
a446a88f 2743#endif
8d063cd8 2744
450a55e4 2745struct ufuncs {
24f81a43
DM		 2746 I32 (*uf_val)(pTHX_ IV, SV*);
2747 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2748 IV uf_index;
450a55e4
LW		 2749};
2750
14befaf4 2751/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2752 * XS code wanting to be backward compatible can do something
2753 * like the following:
c745e42c 2754
24f81a43 2755#ifndef PERL_MG_UFUNC
24f81a43
DM		 2756#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2757#endif
2758
2759static PERL_MG_UFUNC(foo_get, index, val)
2760{
2761 sv_setsv(val, ...);
2762 return TRUE;
2763}
2764
2765-- Doug MacEachern
2766
2767*/
2768
fc9c74e6 2769#ifndef PERL_MG_UFUNC
24f81a43 2770#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2771#endif
24f81a43 2772
fe14fcc3 2773/* Fix these up for __STDC__ */
68dc0745 2774#ifndef DONT_DECLARE_STD
20ce7b12 2775char *mktemp (char*);
37bd1396 2776#ifndef atof
20ce7b12 2777double atof (const char*);
a0d0e21e 2778#endif
37bd1396 2779#endif
79072805 2780
352d5a3a 2781#ifndef STANDARD_C
fe14fcc3 2782/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2783Time_t time();
8d063cd8 2784struct tm *gmtime(), *localtime();
092bebab 2785#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2786char *(strchr)(), *(strrchr)();
2787char *(strcpy)(), *(strcat)();
2788#else
93a17b20 2789char *strchr(), *strrchr();
378cc40b 2790char *strcpy(), *strcat();
9d116dd7 2791#endif
352d5a3a 2792#endif /* ! STANDARD_C */
8d063cd8 2793
79072805
LW		 2794
2795#ifdef I_MATH
2796# include <math.h>
2797#else
32f822de 2798START_EXTERN_C
20ce7b12
GS		 2799 double exp (double);
2800 double log (double);
2801 double log10 (double);
2802 double sqrt (double);
2803 double frexp (double,int*);
2804 double ldexp (double,int);
2805 double modf (double,double*);
2806 double sin (double);
2807 double cos (double);
2808 double atan2 (double,double);
2809 double pow (double,double);
32f822de 2810END_EXTERN_C
79072805
LW		 2811#endif
2812
aa8b85de
JH		 2813#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2814# define NV_INF LDBL_INFINITY
2815#endif
2816#if !defined(NV_INF) && defined(DBL_INFINITY)
2817# define NV_INF (NV)DBL_INFINITY
2818#endif
2819#if !defined(NV_INF) && defined(INFINITY)
2820# define NV_INF (NV)INFINITY
2821#endif
2822#if !defined(NV_INF) && defined(INF)
2823# define NV_INF (NV)INF
2824#endif
2825#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2826# define NV_INF (NV)HUGE_VALL
2827#endif
2828#if !defined(NV_INF) && defined(HUGE_VAL)
2829# define NV_INF (NV)HUGE_VAL
2830#endif
2831
2832#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2833# if !defined(NV_NAN) && defined(LDBL_NAN)
2834# define NV_NAN LDBL_NAN
2835# endif
2836# if !defined(NV_NAN) && defined(LDBL_QNAN)
2837# define NV_NAN LDBL_QNAN
2838# endif
2839# if !defined(NV_NAN) && defined(LDBL_SNAN)
2840# define NV_NAN LDBL_SNAN
2841# endif
2842#endif
2843#if !defined(NV_NAN) && defined(DBL_NAN)
2844# define NV_NAN (NV)DBL_NAN
2845#endif
2846#if !defined(NV_NAN) && defined(DBL_QNAN)
2847# define NV_NAN (NV)DBL_QNAN
2848#endif
2849#if !defined(NV_NAN) && defined(DBL_SNAN)
2850# define NV_NAN (NV)DBL_SNAN
2851#endif
2852#if !defined(NV_NAN) && defined(QNAN)
2853# define NV_NAN (NV)QNAN
2854#endif
2855#if !defined(NV_NAN) && defined(SNAN)
2856# define NV_NAN (NV)SNAN
2857#endif
2858#if !defined(NV_NAN) && defined(NAN)
2859# define NV_NAN (NV)NAN
2860#endif
2861
a0d0e21e 2862#ifndef __cplusplus
8f1f23e8 2863# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2864char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2865# else
fd8cd3a3 2866# if !defined(WIN32) && !defined(VMS)
10bc17b6 2867#ifndef crypt
20ce7b12 2868char *crypt (const char*, const char*);
10bc17b6 2869#endif
5014db98 2870# endif /* !WIN32 */
8f1f23e8 2871# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2872# ifndef DONT_DECLARE_STD
2873# ifndef getenv
20ce7b12 2874char *getenv (const char*);
26618a56 2875# endif /* !getenv */
28ca6303 2876# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2877# ifdef _FILE_OFFSET_BITS
28ca6303 2878# if _FILE_OFFSET_BITS == 64
20ce7b12 2879Off_t lseek (int,Off_t,int);
0fc67700
JH		 2880# endif
2881# endif
bf0c440f 2882# endif
26618a56 2883# endif /* !DONT_DECLARE_STD */
10bc17b6 2884#ifndef getlogin
20ce7b12 2885char *getlogin (void);
10bc17b6 2886#endif
26618a56 2887#endif /* !__cplusplus */
79072805 2888
16d20bd9 2889#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2890#define UNLINK unlnk
20ce7b12 2891I32 unlnk (char*);
8d063cd8 2892#else
80252599 2893#define UNLINK PerlLIO_unlink
8d063cd8 2894#endif
a687059c 2895
fa0a29af
JH		 2896/* some versions of glibc are missing the setresuid() proto */
2897#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2898int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2899#endif
fa0a29af
JH		 2900/* some versions of glibc are missing the setresgid() proto */
2901#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2902int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2903#endif
2904
fe14fcc3 2905#ifndef HAS_SETREUID
85e6fe83
LW		 2906# ifdef HAS_SETRESUID
2907# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2908# define HAS_SETREUID
2909# endif
a687059c 2910#endif
fe14fcc3 2911#ifndef HAS_SETREGID
85e6fe83
LW		 2912# ifdef HAS_SETRESGID
2913# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2914# define HAS_SETREGID
2915# endif
a687059c 2916#endif
ee0007ab 2917
d543acb6 2918/* Sighandler_t defined in iperlsys.h */
ff68c719 2919
2920#ifdef HAS_SIGACTION
2921typedef struct sigaction Sigsave_t;
2922#else
2923typedef Sighandler_t Sigsave_t;
2924#endif
2925
ee0007ab
LW		 2926#define SCAN_DEF 0
2927#define SCAN_TR 1
2928#define SCAN_REPL 2
79072805
LW		 2929
2930#ifdef DEBUGGING
4633a7c4 2931# ifndef register
a0d0e21e
LW		 2932# define register
2933# endif
cea2e8a9 2934# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2935#else
cea2e8a9 2936# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2937#endif
2938
18f739ee 2939#ifdef MYMALLOC
772fe5b3 2940# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2941# define MALLOC_INIT \
2942 STMT_START { \
2943 PL_malloc_mutex = NULL; \
2944 MUTEX_INIT(&PL_malloc_mutex); \
2945 } STMT_END
2946# define MALLOC_TERM \
2947 STMT_START { \
2948 perl_mutex tmp = PL_malloc_mutex; \
2949 PL_malloc_mutex = NULL; \
2950 MUTEX_DESTROY(&tmp); \
2951 } STMT_END
2952# else
2953# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2954# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2955# endif
18f739ee
IZ		 2956#else
2957# define MALLOC_INIT
2958# define MALLOC_TERM
2959#endif
2960
b6d9d515 2961
0cb96387 2962typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2963typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2964typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2965typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2966
940cb80d 2967/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2968#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2969
8f1f23e8
W		 2970/* NeXT has problems with crt0.o globals */
2971#if defined(__DYNAMIC__) && \
6239f2da 2972 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 2973# if defined(NeXT) || defined(__NeXT)
2974# include <mach-o/dyld.h>
2975# define environ (*environ_pointer)
0c30d9ec 2976EXT char *** environ_pointer;
8f1f23e8 2977# else
6239f2da 2978# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 2979# include <crt_externs.h> /* for the env array */
2980# define environ (*_NSGetEnviron())
2981# endif
0c30d9ec 2982# endif
8f1f23e8
W		 2983#else
2984 /* VMS and some other platforms don't use the environ array */
13b6e58c 2985# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2986# if !defined(DONT_DECLARE_STD) || \
2987 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2988 defined(__sgi) || \
d460ef45 2989 defined(__DGUX)
8f1f23e8 2990extern char ** environ; /* environment variables supplied via exec */
a6c40364 2991# endif
8f1f23e8
W		 2992# endif
2993#endif
79072805 2994
73c4f7a1
GS		 2995START_EXTERN_C
2996
79072805 2997/* handy constants */
22c35a8c 2998EXTCONST char PL_warn_uninit[]
b89fed5f 2999 INIT("Use of uninitialized value%s%s");
22c35a8c 3000EXTCONST char PL_warn_nosemi[]
463ee0b2 3001 INIT("Semicolon seems to be missing");
22c35a8c 3002EXTCONST char PL_warn_reserved[]
463ee0b2 3003 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3004EXTCONST char PL_warn_nl[]
93a17b20 3005 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3006EXTCONST char PL_no_wrongref[]
a0d0e21e 3007 INIT("Can't use %s ref as %s ref");
22c35a8c 3008EXTCONST char PL_no_symref[]
748a9306 3009 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 3010EXTCONST char PL_no_usym[]
8990e307 3011 INIT("Can't use an undefined value as %s reference");
22c35a8c 3012EXTCONST char PL_no_aelem[]
93a17b20 3013 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3014EXTCONST char PL_no_helem[]
93a17b20 3015 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3016EXTCONST char PL_no_modify[]
93a17b20 3017 INIT("Modification of a read-only value attempted");
22c35a8c 3018EXTCONST char PL_no_mem[]
93a17b20 3019 INIT("Out of memory!\n");
22c35a8c 3020EXTCONST char PL_no_security[]
463ee0b2 3021 INIT("Insecure dependency in %s%s");
22c35a8c 3022EXTCONST char PL_no_sock_func[]
93a17b20 3023 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3024EXTCONST char PL_no_dir_func[]
93a17b20 3025 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3026EXTCONST char PL_no_func[]
93a17b20 3027 INIT("The %s function is unimplemented");
22c35a8c 3028EXTCONST char PL_no_myglob[]
748a9306 3029 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3030EXTCONST char PL_no_localize_ref[]
3031 INIT("Can't localize through a reference");
93a17b20 3032
7575fa06 3033EXTCONST char PL_uuemap[65]
80252599
GS		 3034 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3035
3036
79072805 3037#ifdef DOINIT
22c35a8c
GS		 3038EXT char *PL_sig_name[] = { SIG_NAME };
3039EXT int PL_sig_num[] = { SIG_NUM };
79072805 3040#else
22c35a8c
GS		 3041EXT char *PL_sig_name[];
3042EXT int PL_sig_num[];
79072805
LW		 3043#endif
3044
3bd709b1 3045/* fast conversion and case folding tables */
bbce6d69 3046
79072805 3047#ifdef DOINIT
9d116dd7 3048#ifdef EBCDIC
22c35a8c 3049EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3050 0, 1, 2, 3, 4, 5, 6, 7,
3051 8, 9, 10, 11, 12, 13, 14, 15,
3052 16, 17, 18, 19, 20, 21, 22, 23,
3053 24, 25, 26, 27, 28, 29, 30, 31,
3054 32, 33, 34, 35, 36, 37, 38, 39,
3055 40, 41, 42, 43, 44, 45, 46, 47,
3056 48, 49, 50, 51, 52, 53, 54, 55,
3057 56, 57, 58, 59, 60, 61, 62, 63,
3058 64, 65, 66, 67, 68, 69, 70, 71,
3059 72, 73, 74, 75, 76, 77, 78, 79,
3060 80, 81, 82, 83, 84, 85, 86, 87,
3061 88, 89, 90, 91, 92, 93, 94, 95,
3062 96, 97, 98, 99, 100, 101, 102, 103,
3063 104, 105, 106, 107, 108, 109, 110, 111,
3064 112, 113, 114, 115, 116, 117, 118, 119,
3065 120, 121, 122, 123, 124, 125, 126, 127,
3066 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3067 'H', 'I', 138, 139, 140, 141, 142, 143,
3068 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3069 'Q', 'R', 154, 155, 156, 157, 158, 159,
3070 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3071 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3072 176, 177, 178, 179, 180, 181, 182, 183,
3073 184, 185, 186, 187, 188, 189, 190, 191,
3074 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3075 'h', 'i', 202, 203, 204, 205, 206, 207,
3076 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3077 'q', 'r', 218, 219, 220, 221, 222, 223,
3078 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3079 'y', 'z', 234, 235, 236, 237, 238, 239,
3080 240, 241, 242, 243, 244, 245, 246, 247,
3081 248, 249, 250, 251, 252, 253, 254, 255
3082};
3083#else /* ascii rather than ebcdic */
22c35a8c 3084EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3085 0, 1, 2, 3, 4, 5, 6, 7,
3086 8, 9, 10, 11, 12, 13, 14, 15,
3087 16, 17, 18, 19, 20, 21, 22, 23,
3088 24, 25, 26, 27, 28, 29, 30, 31,
3089 32, 33, 34, 35, 36, 37, 38, 39,
3090 40, 41, 42, 43, 44, 45, 46, 47,
3091 48, 49, 50, 51, 52, 53, 54, 55,
3092 56, 57, 58, 59, 60, 61, 62, 63,
3093 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3094 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3095 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3096 'x', 'y', 'z', 91, 92, 93, 94, 95,
3097 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3098 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3099 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3100 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3101 128, 129, 130, 131, 132, 133, 134, 135,
3102 136, 137, 138, 139, 140, 141, 142, 143,
3103 144, 145, 146, 147, 148, 149, 150, 151,
3104 152, 153, 154, 155, 156, 157, 158, 159,
3105 160, 161, 162, 163, 164, 165, 166, 167,
3106 168, 169, 170, 171, 172, 173, 174, 175,
3107 176, 177, 178, 179, 180, 181, 182, 183,
3108 184, 185, 186, 187, 188, 189, 190, 191,
3109 192, 193, 194, 195, 196, 197, 198, 199,
3110 200, 201, 202, 203, 204, 205, 206, 207,
3111 208, 209, 210, 211, 212, 213, 214, 215,
3112 216, 217, 218, 219, 220, 221, 222, 223,
3113 224, 225, 226, 227, 228, 229, 230, 231,
3114 232, 233, 234, 235, 236, 237, 238, 239,
3115 240, 241, 242, 243, 244, 245, 246, 247,
3116 248, 249, 250, 251, 252, 253, 254, 255
3117};
9d116dd7 3118#endif /* !EBCDIC */
79072805 3119#else
22c35a8c 3120EXTCONST unsigned char PL_fold[];
79072805
LW		 3121#endif
3122
3123#ifdef DOINIT
22c35a8c 3124EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3125 0, 1, 2, 3, 4, 5, 6, 7,
3126 8, 9, 10, 11, 12, 13, 14, 15,
3127 16, 17, 18, 19, 20, 21, 22, 23,
3128 24, 25, 26, 27, 28, 29, 30, 31,
3129 32, 33, 34, 35, 36, 37, 38, 39,
3130 40, 41, 42, 43, 44, 45, 46, 47,
3131 48, 49, 50, 51, 52, 53, 54, 55,
3132 56, 57, 58, 59, 60, 61, 62, 63,
3133 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3134 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3135 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3136 'x', 'y', 'z', 91, 92, 93, 94, 95,
3137 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3138 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3139 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3140 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3141 128, 129, 130, 131, 132, 133, 134, 135,
3142 136, 137, 138, 139, 140, 141, 142, 143,
3143 144, 145, 146, 147, 148, 149, 150, 151,
3144 152, 153, 154, 155, 156, 157, 158, 159,
3145 160, 161, 162, 163, 164, 165, 166, 167,
3146 168, 169, 170, 171, 172, 173, 174, 175,
3147 176, 177, 178, 179, 180, 181, 182, 183,
3148 184, 185, 186, 187, 188, 189, 190, 191,
3149 192, 193, 194, 195, 196, 197, 198, 199,
3150 200, 201, 202, 203, 204, 205, 206, 207,
3151 208, 209, 210, 211, 212, 213, 214, 215,
3152 216, 217, 218, 219, 220, 221, 222, 223,
3153 224, 225, 226, 227, 228, 229, 230, 231,
3154 232, 233, 234, 235, 236, 237, 238, 239,
3155 240, 241, 242, 243, 244, 245, 246, 247,
3156 248, 249, 250, 251, 252, 253, 254, 255
3157};
3158#else
22c35a8c 3159EXT unsigned char PL_fold_locale[];
79072805
LW		 3160#endif
3161
3162#ifdef DOINIT
9d116dd7 3163#ifdef EBCDIC
22c35a8c 3164EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3165 1, 2, 84, 151, 154, 155, 156, 157,
3166 165, 246, 250, 3, 158, 7, 18, 29,
3167 40, 51, 62, 73, 85, 96, 107, 118,
3168 129, 140, 147, 148, 149, 150, 152, 153,
3169 255, 6, 8, 9, 10, 11, 12, 13,
3170 14, 15, 24, 25, 26, 27, 28, 226,
3171 29, 30, 31, 32, 33, 43, 44, 45,
3172 46, 47, 48, 49, 50, 76, 77, 78,
3173 79, 80, 81, 82, 83, 84, 85, 86,
3174 87, 94, 95, 234, 181, 233, 187, 190,
3175 180, 96, 97, 98, 99, 100, 101, 102,
3176 104, 112, 182, 174, 236, 232, 229, 103,
3177 228, 226, 114, 115, 116, 117, 118, 119,
3178 120, 121, 122, 235, 176, 230, 194, 162,
3179 130, 131, 132, 133, 134, 135, 136, 137,
3180 138, 139, 201, 205, 163, 217, 220, 224,
3181 5, 248, 227, 244, 242, 255, 241, 231,
3182 240, 253, 16, 197, 19, 20, 21, 187,
3183 23, 169, 210, 245, 237, 249, 247, 239,
3184 168, 252, 34, 196, 36, 37, 38, 39,
3185 41, 42, 251, 254, 238, 223, 221, 213,
3186 225, 177, 52, 53, 54, 55, 56, 57,
3187 58, 59, 60, 61, 63, 64, 65, 66,
3188 67, 68, 69, 70, 71, 72, 74, 75,
3189 205, 208, 186, 202, 200, 218, 198, 179,
3190 178, 214, 88, 89, 90, 91, 92, 93,
3191 217, 166, 170, 207, 199, 209, 206, 204,
3192 160, 212, 105, 106, 108, 109, 110, 111,
3193 203, 113, 216, 215, 192, 175, 193, 243,
3194 172, 161, 123, 124, 125, 126, 127, 128,
3195 222, 219, 211, 195, 188, 193, 185, 184,
3196 191, 183, 141, 142, 143, 144, 145, 146
3197};
3198#else /* ascii rather than ebcdic */
22c35a8c 3199EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3200 1, 2, 84, 151, 154, 155, 156, 157,
3201 165, 246, 250, 3, 158, 7, 18, 29,
3202 40, 51, 62, 73, 85, 96, 107, 118,
3203 129, 140, 147, 148, 149, 150, 152, 153,
3204 255, 182, 224, 205, 174, 176, 180, 217,
3205 233, 232, 236, 187, 235, 228, 234, 226,
3206 222, 219, 211, 195, 188, 193, 185, 184,
3207 191, 183, 201, 229, 181, 220, 194, 162,
3208 163, 208, 186, 202, 200, 218, 198, 179,
3209 178, 214, 166, 170, 207, 199, 209, 206,
3210 204, 160, 212, 216, 215, 192, 175, 173,
3211 243, 172, 161, 190, 203, 189, 164, 230,
3212 167, 248, 227, 244, 242, 255, 241, 231,
3213 240, 253, 169, 210, 245, 237, 249, 247,
3214 239, 168, 252, 251, 254, 238, 223, 221,
3215 213, 225, 177, 197, 171, 196, 159, 4,
3216 5, 6, 8, 9, 10, 11, 12, 13,
3217 14, 15, 16, 17, 19, 20, 21, 22,
3218 23, 24, 25, 26, 27, 28, 30, 31,
3219 32, 33, 34, 35, 36, 37, 38, 39,
3220 41, 42, 43, 44, 45, 46, 47, 48,
3221 49, 50, 52, 53, 54, 55, 56, 57,
3222 58, 59, 60, 61, 63, 64, 65, 66,
3223 67, 68, 69, 70, 71, 72, 74, 75,
3224 76, 77, 78, 79, 80, 81, 82, 83,
3225 86, 87, 88, 89, 90, 91, 92, 93,
3226 94, 95, 97, 98, 99, 100, 101, 102,
3227 103, 104, 105, 106, 108, 109, 110, 111,
3228 112, 113, 114, 115, 116, 117, 119, 120,
3229 121, 122, 123, 124, 125, 126, 127, 128,
3230 130, 131, 132, 133, 134, 135, 136, 137,
3231 138, 139, 141, 142, 143, 144, 145, 146
3232};
9d116dd7 3233#endif
79072805 3234#else
22c35a8c 3235EXTCONST unsigned char PL_freq[];
79072805
LW		 3236#endif
3237
8990e307
LW		 3238#ifdef DEBUGGING
3239#ifdef DOINIT
22c35a8c 3240EXTCONST char* PL_block_type[] = {
8990e307
LW		 3241 "NULL",
3242 "SUB",
3243 "EVAL",
3244 "LOOP",
3245 "SUBST",
3246 "BLOCK",
3247};
3248#else
22c35a8c 3249EXTCONST char* PL_block_type[];
8990e307
LW		 3250#endif
3251#endif
3252
73c4f7a1
GS		 3253END_EXTERN_C
3254
79072805
LW		 3255/*****************************************************************************/
3256/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3257/*****************************************************************************/
8990e307 3258/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3259
d4c3c482 3260#ifdef __Lynx__
9cffb111
OS		 3261/* LynxOS defines these in scsi.h which is included via ioctl.h */
3262#ifdef FORMAT
3263#undef FORMAT
3264#endif
3265#ifdef SPACE
3266#undef SPACE
3267#endif
d4c3c482 3268#endif
9cffb111 3269
1fd33325
MHM		 3270/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3271 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3272 * it's not really needed.
3273 */
3274#if defined(WIN32)
3275# define YYTOKENTYPE
3276#endif
a0d0e21e
LW		 3277#include "perly.h"
3278
fb73857a 3279#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3280
79072805
LW		 3281typedef enum {
3282 XOPERATOR,
3283 XTERM,
79072805 3284 XREF,
8990e307 3285 XSTATE,
a0d0e21e 3286 XBLOCK,
09bef843
SB		 3287 XATTRBLOCK,
3288 XATTRTERM,
6f33ba73
RGS		 3289 XTERMBLOCK,
3290 XTERMORDORDOR /* evil hack */
27308ded 3291 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3292} expectation;
3293
dc9e4912
GS		 3294enum { /* pass one of these to get_vtbl */
3295 want_vtbl_sv,
3296 want_vtbl_env,
3297 want_vtbl_envelem,
3298 want_vtbl_sig,
3299 want_vtbl_sigelem,
3300 want_vtbl_pack,
3301 want_vtbl_packelem,
3302 want_vtbl_dbline,
3303 want_vtbl_isa,
3304 want_vtbl_isaelem,
3305 want_vtbl_arylen,
3306 want_vtbl_glob,
3307 want_vtbl_mglob,
3308 want_vtbl_nkeys,
3309 want_vtbl_taint,
3310 want_vtbl_substr,
3311 want_vtbl_vec,
3312 want_vtbl_pos,
3313 want_vtbl_bm,
3314 want_vtbl_fm,
3315 want_vtbl_uvar,
3316 want_vtbl_defelem,
3317 want_vtbl_regexp,
3318 want_vtbl_collxfrm,
3319 want_vtbl_amagic,
3320 want_vtbl_amagicelem,
dc9e4912 3321 want_vtbl_regdata,
810b8aa5 3322 want_vtbl_regdatum,
7e8c5dac
HS		 3323 want_vtbl_backref,
3324 want_vtbl_utf8
dc9e4912
GS		 3325};
3326
85e6fe83
LW		 3327 /* Note: the lowest 8 bits are reserved for
3328 stuffing into op->op_private */
f3aa04c2 3329#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3330#define HINT_INTEGER 0x00000001 /* integer pragma */
3331#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3332#define HINT_LOCALE 0x00000004 /* locale pragma */
3333#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3334/* #define HINT_notused10 0x00000010 */
a0ed51b3 3335 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3336 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3337
3338#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3339#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3340#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3341
9cfe5470 3342/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3343#define HINT_NEW_INTEGER 0x00001000
3344#define HINT_NEW_FLOAT 0x00002000
3345#define HINT_NEW_BINARY 0x00004000
3346#define HINT_NEW_STRING 0x00008000
3347#define HINT_NEW_RE 0x00010000
3348#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3349
9cfe5470
RGS		 3350#define HINT_RE_TAINT 0x00100000 /* re pragma */
3351#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3352
9cfe5470
RGS		 3353#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3354#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3355
8fa7688f 3356/* assertions pragma */
06492da6 3357#define HINT_ASSERTING 0x01000000
8fa7688f 3358#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3359
9cfe5470 3360/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3361#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3362#define HINT_SORT_QUICKSORT 0x00000001
3363#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3364#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3365
8bfdd7d9 3366/* Various states of the input record separator SV (rs) */
d4cce5f1 3367#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3368#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3369#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3370#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3371
128e8167 3372/* A struct for keeping various DEBUGGING related stuff,
ce333219 3373 * neatly packed. Currently only scratch variables for
128e8167
JH		 3374 * constructing debug output are included. Needed always,
3375 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3376struct perl_debug_pad {
3377 SV pad[3];
3378};
3379
3380#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3381#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3382
56953603 3383/* Enable variables which are pointers to functions */
a2efc822 3384typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3385typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3386typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3387 char* strend, char* strbeg, I32 minend,
3388 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3389typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3390 char *strpos, char *strend,
3391 U32 flags,
3392 struct re_scream_pos_data_s *d);
3393typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3394typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3395
c76ac1ee 3396typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3397typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3398typedef void (*SVFUNC_t) (pTHX_ SV*);
3399typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3400typedef void (*XSINIT_t) (pTHX);
3401typedef void (*ATEXIT_t) (pTHX_ void*);
3402typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3403
22239a37
NIS		 3404/* Set up PERLVAR macros for populating structs */
3405#define PERLVAR(var,type) type var;
51371543 3406#define PERLVARA(var,n,type) type var[n];
22239a37 3407#define PERLVARI(var,type,init) type var;
3fe35a81 3408#define PERLVARIC(var,type,init) type var;
22239a37 3409
58a50f62
GS		 3410/* Interpreter exitlist entry */
3411typedef struct exitlistentry {
acfe0abc 3412 void (*fn) (pTHX_ void*);
58a50f62
GS		 3413 void *ptr;
3414} PerlExitListEntry;
3415
22239a37
NIS		 3416#ifdef PERL_GLOBAL_STRUCT
3417struct perl_vars {
7766f137 3418# include "perlvars.h"
22239a37
NIS		 3419};
3420
7766f137 3421# ifdef PERL_CORE
533c011a
NIS		 3422EXT struct perl_vars PL_Vars;
3423EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3424# else /* PERL_CORE */
3425# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3426EXT
7766f137 3427# endif /* WIN32 */
533c011a 3428struct perl_vars *PL_VarsPtr;
7766f137
GS		 3429# define PL_Vars (*((PL_VarsPtr) \
3430 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3431# endif /* PERL_CORE */
22239a37
NIS		 3432#endif /* PERL_GLOBAL_STRUCT */
3433
acfe0abc 3434#if defined(MULTIPLICITY)
d460ef45 3435/* If we have multiple interpreters define a struct
d4cce5f1 3436 holding variables which must be per-interpreter
d460ef45 3437 If we don't have threads anything that would have
d4cce5f1
NIS		 3438 be per-thread is per-interpreter.
3439*/
3440
79072805 3441struct interpreter {
3db8f154 3442# include "thrdvar.h"
7766f137
GS		 3443# include "intrpvar.h"
3444/*
3445 * The following is a buffer where new variables must
acfe0abc 3446 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3447 */
3448PERLVARA(object_compatibility,30, char)
49f531da 3449};
d4cce5f1 3450
79072805 3451#else
49f531da
NIS		 3452struct interpreter {
3453 char broiled;
3454};
acfe0abc 3455#endif /* MULTIPLICITY */
79072805 3456
22fae026 3457typedef void *Thread;
22239a37
NIS		 3458
3459/* Done with PERLVAR macros for now ... */
d4cce5f1 3460#undef PERLVAR
51371543 3461#undef PERLVARA
d4cce5f1 3462#undef PERLVARI
3fe35a81 3463#undef PERLVARIC
79072805 3464
49704364
WL		 3465/* Types used by pack/unpack */
3466typedef enum {
3467 e_no_len, /* no length */
3468 e_number, /* number, [] */
3469 e_star /* asterisk */
3470} howlen_t;
3471
3472typedef struct {
3473 char* patptr; /* current template char */
3474 char* patend; /* one after last char */
3475 char* grpbeg; /* 1st char of ()-group */
3476 char* grpend; /* end of ()-group */
3477 I32 code; /* template code (!) */
3478 I32 length; /* length/repeat count */
3479 howlen_t howlen; /* how length is given */
3480 int level; /* () nesting level */
3481 U32 flags; /* /=4, comma=2, pack=1 */
3482} tempsym_t;
3483
22239a37 3484#include "thread.h"
79072805 3485#include "pp.h"
864dbfa3
GS		 3486
3487#ifndef PERL_CALLCONV
3488# define PERL_CALLCONV
d460ef45 3489#endif
864dbfa3 3490
65f19062
GS		 3491#ifndef NEXT30_NO_ATTRIBUTE
3492# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3493# ifdef __attribute__ /* Avoid possible redefinition errors */
3494# undef __attribute__
3495# endif
3496# define __attribute__(attr)
3497# endif
3498#endif
3499
0cb96387
GS		 3500#undef PERL_CKDEF
3501#undef PERL_PPDEF
3502#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3503#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3504
7766f137 3505#include "proto.h"
864dbfa3 3506
0cb96387 3507/* this has structure inits, so it cannot be included before here */
acfe0abc 3508#include "opcode.h"
864dbfa3 3509
d4cce5f1
NIS		 3510/* The following must follow proto.h as #defines mess up syntax */
3511
22c35a8c
GS		 3512#if !defined(PERL_FOR_X2P)
3513# include "embedvar.h"
3514#endif
d4cce5f1 3515
d460ef45 3516/* Now include all the 'global' variables
d4cce5f1 3517 * If we don't have threads or multiple interpreters
d460ef45 3518 * these include variables that would have been their struct-s
d4cce5f1 3519 */
d460ef45 3520
533c011a 3521#define PERLVAR(var,type) EXT type PL_##var;
51371543 3522#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3523#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3524#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3525
acfe0abc 3526#if !defined(MULTIPLICITY)
7766f137 3527START_EXTERN_C
066ef5b5 3528# include "intrpvar.h"
3db8f154 3529# include "thrdvar.h"
7766f137 3530END_EXTERN_C
22239a37
NIS		 3531#endif
3532
acfe0abc 3533#if defined(WIN32)
66a93824 3534/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3535# include "embed.h"
acfe0abc 3536#endif
22239a37 3537
c5be433b
GS		 3538#ifndef PERL_GLOBAL_STRUCT
3539START_EXTERN_C
3540
3541# include "perlvars.h"
3542
3543END_EXTERN_C
3544#endif
3545
d4cce5f1 3546#undef PERLVAR
51371543 3547#undef PERLVARA
d4cce5f1 3548#undef PERLVARI
0f3f18a6 3549#undef PERLVARIC
79072805 3550
73c4f7a1
GS		 3551START_EXTERN_C
3552
79072805 3553#ifdef DOINIT
bbce6d69 3554
68795e93 3555EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3556 MEMBER_TO_FPTR(Perl_magic_set),
3557 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3558 0, 0};
2b260de0
GS		 3559EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3560 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3561 0};
2b260de0
GS		 3562EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3563 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3564 0};
22c35a8c 3565EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3566#ifdef PERL_MICRO
3567EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3568#else
2b260de0
GS		 3569EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3570 MEMBER_TO_FPTR(Perl_magic_setsig),
3571 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3572 0};
64ca3a65 3573#endif
68795e93
NIS		 3574EXT MGVTBL PL_vtbl_pack = {0, 0,
3575 MEMBER_TO_FPTR(Perl_magic_sizepack),
3576 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3577 0};
2b260de0 3578EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3579 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3580 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3581 0};
2b260de0 3582EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3583 0, 0, 0};
2b260de0
GS		 3584EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3585 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3586 0};
2b260de0 3587EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3588 0, 0, 0};
2b260de0
GS		 3589EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3590 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3591 0, 0, 0};
2b260de0
GS		 3592EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3593 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3594 0, 0, 0};
2b260de0 3595EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3596 0, 0, 0};
2b260de0
GS		 3597EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3598 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3599 0, 0, 0};
68795e93
NIS		 3600EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3601 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3602 0, 0, 0};
68795e93
NIS		 3603EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3604 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3605 0, 0, 0};
2b260de0 3606EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3607 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3608 0, 0, 0};
2b260de0
GS		 3609EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3610 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3611 0, 0, 0};
2b260de0 3612EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3613 0, 0, 0};
2b260de0 3614EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3615 0, 0, 0};
2b260de0
GS		 3616EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3617 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3618 0, 0, 0};
68795e93
NIS		 3619EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3620 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3621 0, 0, 0};
a0d0e21e 3622
faf82a0b 3623EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3624EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3625EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3626 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3627
36477c24 3628#ifdef USE_LOCALE_COLLATE
22c35a8c 3629EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3630 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3631 0, 0, 0};
3632#endif
a0d0e21e 3633
2b260de0
GS		 3634EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3635 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3636EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3637 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3638
810b8aa5 3639EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3640 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3641
d460ef45
NIS		 3642EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3643 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3644
7e8c5dac
HS		 3645EXT MGVTBL PL_vtbl_utf8 = {0,
3646 MEMBER_TO_FPTR(Perl_magic_setutf8),
3647 0, 0, 0};
3648
bbce6d69 3649#else /* !DOINIT */
3650
22c35a8c
GS		 3651EXT MGVTBL PL_vtbl_sv;
3652EXT MGVTBL PL_vtbl_env;
3653EXT MGVTBL PL_vtbl_envelem;
3654EXT MGVTBL PL_vtbl_sig;
3655EXT MGVTBL PL_vtbl_sigelem;
3656EXT MGVTBL PL_vtbl_pack;
3657EXT MGVTBL PL_vtbl_packelem;
3658EXT MGVTBL PL_vtbl_dbline;
3659EXT MGVTBL PL_vtbl_isa;
3660EXT MGVTBL PL_vtbl_isaelem;
3661EXT MGVTBL PL_vtbl_arylen;
3662EXT MGVTBL PL_vtbl_glob;
3663EXT MGVTBL PL_vtbl_mglob;
3664EXT MGVTBL PL_vtbl_nkeys;
3665EXT MGVTBL PL_vtbl_taint;
3666EXT MGVTBL PL_vtbl_substr;
3667EXT MGVTBL PL_vtbl_vec;
3668EXT MGVTBL PL_vtbl_pos;
3669EXT MGVTBL PL_vtbl_bm;
3670EXT MGVTBL PL_vtbl_fm;
3671EXT MGVTBL PL_vtbl_uvar;
d460ef45 3672EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3673
22c35a8c
GS		 3674EXT MGVTBL PL_vtbl_defelem;
3675EXT MGVTBL PL_vtbl_regexp;
3676EXT MGVTBL PL_vtbl_regdata;
3677EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3678
36477c24 3679#ifdef USE_LOCALE_COLLATE
22c35a8c 3680EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3681#endif
a0d0e21e 3682
22c35a8c
GS		 3683EXT MGVTBL PL_vtbl_amagic;
3684EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3685
810b8aa5 3686EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3687EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3688
bbce6d69 3689#endif /* !DOINIT */
85e6fe83 3690
f5284f61
IZ		 3691enum {
3692 fallback_amg, abs_amg,
3693 bool__amg, nomethod_amg,
3694 string_amg, numer_amg,
3695 add_amg, add_ass_amg,
3696 subtr_amg, subtr_ass_amg,
3697 mult_amg, mult_ass_amg,
3698 div_amg, div_ass_amg,
3699 modulo_amg, modulo_ass_amg,
3700 pow_amg, pow_ass_amg,
3701 lshift_amg, lshift_ass_amg,
3702 rshift_amg, rshift_ass_amg,
3703 band_amg, band_ass_amg,
3704 bor_amg, bor_ass_amg,
3705 bxor_amg, bxor_ass_amg,
3706 lt_amg, le_amg,
3707 gt_amg, ge_amg,
3708 eq_amg, ne_amg,
3709 ncmp_amg, scmp_amg,
3710 slt_amg, sle_amg,
3711 sgt_amg, sge_amg,
3712 seq_amg, sne_amg,
3713 not_amg, compl_amg,
3714 inc_amg, dec_amg,
3715 atan2_amg, cos_amg,
3716 sin_amg, exp_amg,
3717 log_amg, sqrt_amg,
3718 repeat_amg, repeat_ass_amg,
3719 concat_amg, concat_ass_amg,
3720 copy_amg, neg_amg,
3721 to_sv_amg, to_av_amg,
3722 to_hv_amg, to_gv_amg,
d460ef45 3723 to_cv_amg, iter_amg,
f216259d
IZ		 3724 int_amg, DESTROY_amg,
3725 max_amg_code
64a0062a 3726 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3727};
3728
3729#define NofAMmeth max_amg_code
89ffc314 3730#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3731
a0d0e21e 3732#ifdef DOINIT
22c35a8c 3733EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3734 /* Names kept in the symbol table. fallback => "()", the rest has
3735 "(" prepended. The only other place in perl which knows about
3736 this convention is AMG_id2name (used for debugging output and
3737 'nomethod' only), the only other place which has it hardwired is
3738 overload.pm. */
3739 "()", "(abs", /* "fallback" should be the first. */
3740 "(bool", "(nomethod",
3741 "(\"\"", "(0+",
3742 "(+", "(+=",
3743 "(-", "(-=",
3744 "(*", "(*=",
3745 "(/", "(/=",
3746 "(%", "(%=",
3747 "(**", "(**=",
3748 "(<<", "(<<=",
3749 "(>>", "(>>=",
3750 "(&", "(&=",
3751 "(|", "(|=",
3752 "(^", "(^=",
3753 "(<", "(<=",
3754 "(>", "(>=",
3755 "(==", "(!=",
3756 "(<=>", "(cmp",
3757 "(lt", "(le",
3758 "(gt", "(ge",
3759 "(eq", "(ne",
3760 "(!", "(~",
3761 "(++", "(--",
3762 "(atan2", "(cos",
3763 "(sin", "(exp",
3764 "(log", "(sqrt",
3765 "(x", "(x=",
3766 "(.", "(.=",
3767 "(=", "(neg",
3768 "(${}", "(@{}",
3769 "(%{}", "(*{}",
3770 "(&{}", "(<>",
f216259d 3771 "(int", "DESTROY",
a0d0e21e
LW		 3772};
3773#else
22c35a8c 3774EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3775#endif /* def INITAMAGIC */
3776
73c4f7a1
GS		 3777END_EXTERN_C
3778
a6006777 3779struct am_table {
eb160463 3780 U32 was_ok_sub;
a0d0e21e 3781 long was_ok_am;
a6006777 3782 U32 flags;
3783 CV* table[NofAMmeth];
a0d0e21e
LW		 3784 long fallback;
3785};
a6006777 3786struct am_table_short {
eb160463 3787 U32 was_ok_sub;
a6006777 3788 long was_ok_am;
3789 U32 flags;
3790};
a0d0e21e 3791typedef struct am_table AMT;
a6006777 3792typedef struct am_table_short AMTS;
a0d0e21e
LW		 3793
3794#define AMGfallNEVER 1
3795#define AMGfallNO 2
3796#define AMGfallYES 3
3797
a6006777 3798#define AMTf_AMAGIC 1
32251b26 3799#define AMTf_OVERLOADED 2
a6006777 3800#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3801#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3802#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3803#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3804#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3805#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3806
32251b26 3807#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3808
3809/*
3810 * some compilers like to redefine cos et alia as faster
3811 * (and less accurate?) versions called F_cos et cetera (Quidquid
3812 * latine dictum sit, altum viditur.) This trick collides with
3813 * the Perl overloading (amg). The following #defines fool both.
3814 */
3815
3816#ifdef _FASTMATH
3817# ifdef atan2
3818# define F_atan2_amg atan2_amg
3819# endif
3820# ifdef cos
3821# define F_cos_amg cos_amg
3822# endif
3823# ifdef exp
3824# define F_exp_amg exp_amg
3825# endif
3826# ifdef log
3827# define F_log_amg log_amg
3828# endif
3829# ifdef pow
3830# define F_pow_amg pow_amg
3831# endif
3832# ifdef sin
3833# define F_sin_amg sin_amg
3834# endif
3835# ifdef sqrt
3836# define F_sqrt_amg sqrt_amg
3837# endif
3838#endif /* _FASTMATH */
3839
83ee9e09
GS		 3840#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3841 PERLDBf_NOOPT | PERLDBf_INTER | \
3842 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3843 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3844 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3845#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3846#define PERLDBf_LINE 0x02 /* Keep line # */
3847#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3848#define PERLDBf_INTER 0x08 /* Preserve more data for
3849 later inspections */
3850#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3851#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3852#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3853#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3854#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3855#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3856#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3857
3280af22
NIS		 3858#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3859#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3860#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3861#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3862#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3863#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3864#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3865#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3866#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3867#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3868#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3869
36477c24 3870#ifdef USE_LOCALE_NUMERIC
bbce6d69 3871
36477c24 3872#define SET_NUMERIC_STANDARD() \
ff4fed7c 3873 set_numeric_standard();
36477c24 3874
3875#define SET_NUMERIC_LOCAL() \
ff4fed7c 3876 set_numeric_local();
bbce6d69 3877
2de3dbcc
JH		 3878#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3879#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3880
3881#define IN_LOCALE \
923e4eb5 3882 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 3883
f93f4e46 3884#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3885 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3886 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3887
3888#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3889 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3890 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3891
3892#define RESTORE_NUMERIC_LOCAL() \
3893 if (was_local) SET_NUMERIC_LOCAL();
3894
3895#define RESTORE_NUMERIC_STANDARD() \
3896 if (was_standard) SET_NUMERIC_STANDARD();
3897
5b877257 3898#define Atof my_atof
097ee67d 3899
36477c24 3900#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3901
097ee67d
JH		 3902#define SET_NUMERIC_STANDARD() /**/
3903#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3904#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3905#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3906#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3907#define RESTORE_NUMERIC_LOCAL() /**/
3908#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3909#define Atof my_atof
ad3e0f90 3910#define IN_LOCALE_RUNTIME 0
bbce6d69 3911
36477c24 3912#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3913
079290de 3914#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3915# ifdef __hpux
3916# define strtoll __strtoll /* secret handshake */
3917# endif
c623ac67
GS		 3918# ifdef WIN64
3919# define strtoll _strtoi64 /* secret handshake */
3920# endif
079290de
GS		 3921# if !defined(Strtol) && defined(HAS_STRTOLL)
3922# define Strtol strtoll
ad551343 3923# endif
28e5dec8
JH		 3924# if !defined(Strtol) && defined(HAS_STRTOQ)
3925# define Strtol strtoq
3926# endif
ff935051 3927/* is there atoq() anywhere? */
15b99d39 3928#endif
079290de
GS		 3929#if !defined(Strtol) && defined(HAS_STRTOL)
3930# define Strtol strtol
3931#endif
3932#ifndef Atol
3933/* It would be more fashionable to use Strtol() to define atol()
3934 * (as is done for Atoul(), see below) but for backward compatibility
3935 * we just assume atol(). */
76b882ba 3936# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3937# ifdef WIN64
3938# define atoll _atoi64 /* secret handshake */
3939# endif
76b882ba
JH		 3940# define Atol atoll
3941# else
3942# define Atol atol
3943# endif
cf2093f6
JH		 3944#endif
3945
55eb892c 3946#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3947# ifdef __hpux
3948# define strtoull __strtoull /* secret handshake */
3949# endif
c623ac67
GS		 3950# ifdef WIN64
3951# define strtoull _strtoui64 /* secret handshake */
3952# endif
ad551343 3953# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3954# define Strtoul strtoull
15b99d39 3955# endif
079290de
GS		 3956# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3957# define Strtoul strtouq
3958# endif
76d49b1c 3959/* is there atouq() anywhere? */
ad551343 3960#endif
079290de
GS		 3961#if !defined(Strtoul) && defined(HAS_STRTOUL)
3962# define Strtoul strtoul
cf2093f6 3963#endif
a5523c5b
JH		 3964#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
3965# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
3966#endif
079290de
GS		 3967#ifndef Atoul
3968# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3969#endif
cf2093f6 3970
760ac839 3971
06d86050
GS		 3972/* if these never got defined, they need defaults */
3973#ifndef PERL_SET_CONTEXT
3974# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3975#endif
3976
3977#ifndef PERL_GET_CONTEXT
3978# define PERL_GET_CONTEXT PERL_GET_INTERP
3979#endif
3980
3981#ifndef PERL_GET_THX
3982# define PERL_GET_THX ((void*)NULL)
3983#endif
3984
3985#ifndef PERL_SET_THX
3986# define PERL_SET_THX(t) NOOP
3987#endif
3988
a868473f
NIS		 3989#ifndef PERL_SCRIPT_MODE
3990#define PERL_SCRIPT_MODE "r"
3991#endif
3992
fba3b22e 3993/*
da927450
JH		 3994 * Some operating systems are stingy with stack allocation,
3995 * so perl may have to guard against stack overflow.
3996 */
3997#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3998#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3999#endif
4000
4001/*
4002 * Some nonpreemptive operating systems find it convenient to
4003 * check for asynchronous conditions after each op execution.
4004 * Keep this check simple, or it may slow down execution
4005 * massively.
4006 */
ce08f86c 4007
1d615522 4008#ifndef PERL_MICRO
4ffa73a3
JH		 4009# ifndef PERL_ASYNC_CHECK
4010# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4011# endif
ce08f86c
NIS		 4012#endif
4013
da927450 4014#ifndef PERL_ASYNC_CHECK
1d615522 4015# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 4016#endif
4017
4018/*
4019 * On some operating systems, a memory allocation may succeed,
4020 * but put the process too close to the system's comfort limit.
4021 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4022 * it to NULL.
4023 */
4024#ifndef PERL_ALLOC_CHECK
c2af87cb 4025#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 4026#endif
4027
4028/*
fba3b22e
MB		 4029 * nice_chunk and nice_chunk size need to be set
4030 * and queried under the protection of sv_mutex
4031 */
30ad99e7
MJD		 4032#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4033 void *new_chunk; \
4034 U32 new_chunk_size; \
4035 LOCK_SV_MUTEX; \
4036 new_chunk = (void *)(chunk); \
4037 new_chunk_size = (chunk_size); \
4038 if (new_chunk_size > PL_nice_chunk_size) { \
4039 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4040 PL_nice_chunk = new_chunk; \
4041 PL_nice_chunk_size = new_chunk_size; \
4042 } else { \
4043 Safefree(chunk); \
4044 } \
4045 UNLOCK_SV_MUTEX; \
4046 } STMT_END
fba3b22e 4047
bd89102f
AD		 4048#ifdef HAS_SEM
4049# include <sys/ipc.h>
4050# include <sys/sem.h>
4051# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4052 union semun {
dbba660d
TC		 4053 int val;
4054 struct semid_ds *buf;
4055 unsigned short *array;
bd89102f
AD		 4056 };
4057# endif
4058# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4059# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4060 union gccbug_semun {
4061 int val;
4062 struct semid_ds *buf;
4063 unsigned short *array;
4064 char __dummy[5];
4065 };
4066# define semun gccbug_semun
4067# endif
bd89102f
AD		 4068# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4069# else
4070# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4071# ifdef EXTRA_F_IN_SEMUN_BUF
4072# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4073# else
4074# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4075# endif
bd89102f
AD		 4076# endif
4077# endif
bd89102f 4078#endif
49f531da 4079
89ca4ac7
JH		 4080/*
4081 * Boilerplate macros for initializing and accessing interpreter-local
4082 * data from C. All statics in extensions should be reworked to use
4083 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4084 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4085 *
4086 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4087 * 1. #define MY_CXT_KEY to a unique string, e.g.
4088 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4089 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4090 * all the data that needs to be interpreter-local.
4091 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4092 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4093 * (typically put in the BOOT: section).
4094 * 5. Use the members of the my_cxt_t structure everywhere as
4095 * MY_CXT.member.
4096 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4097 * access MY_CXT.
4098 */
4099
fc958cd2 4100#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4101
4102/* This must appear in all extensions that define a my_cxt_t structure,
4103 * right after the definition (i.e. at file scope). The non-threads
4104 * case below uses it to declare the data as static. */
4105#define START_MY_CXT
4106
4107/* Fetches the SV that keeps the per-interpreter data. */
4108#define dMY_CXT_SV \
4109 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4110 sizeof(MY_CXT_KEY)-1, TRUE)
4111
4112/* This declaration should be used within all functions that use the
4113 * interpreter-local data. */
4114#define dMY_CXT \
4115 dMY_CXT_SV; \
ec0e15e0 4116 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4117
4118/* Creates and zeroes the per-interpreter data.
4119 * (We allocate my_cxtp in a Perl SV so that it will be released when
4120 * the interpreter goes away.) */
4121#define MY_CXT_INIT \
4122 dMY_CXT_SV; \
4123 /* newSV() allocates one more than needed */ \
4124 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4125 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4126 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4127
4128/* This macro must be used to access members of the my_cxt_t structure.
4129 * e.g. MYCXT.some_data */
4130#define MY_CXT (*my_cxtp)
4131
4132/* Judicious use of these macros can reduce the number of times dMY_CXT
4133 * is used. Use is similar to pTHX, aTHX etc. */
4134#define pMY_CXT my_cxt_t *my_cxtp
4135#define pMY_CXT_ pMY_CXT,
4136#define _pMY_CXT ,pMY_CXT
4137#define aMY_CXT my_cxtp
4138#define aMY_CXT_ aMY_CXT,
4139#define _aMY_CXT ,aMY_CXT
4140
4141#else /* USE_ITHREADS */
4142
4143#define START_MY_CXT static my_cxt_t my_cxt;
4144#define dMY_CXT_SV dNOOP
4145#define dMY_CXT dNOOP
4146#define MY_CXT_INIT NOOP
4147#define MY_CXT my_cxt
4148
4149#define pMY_CXT void
4150#define pMY_CXT_
4151#define _pMY_CXT
4152#define aMY_CXT
4153#define aMY_CXT_
4154#define _aMY_CXT
4155
4156#endif /* !defined(USE_ITHREADS) */
4157
9a34ef1d
GS		 4158#ifdef I_FCNTL
4159# include <fcntl.h>
9a34ef1d
GS		 4160#endif
4161
9cffb111
OS		 4162#ifdef __Lynx__
4163# include <fcntl.h>
4164#endif
4165
9a34ef1d
GS		 4166#ifdef I_SYS_FILE
4167# include <sys/file.h>
4168#endif
4169
fa0a29af 4170#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4171int flock(int fd, int op);
4172#endif
4173
fe52b3b7
GS		 4174#ifndef O_RDONLY
4175/* Assume UNIX defaults */
4176# define O_RDONLY 0000
4177# define O_WRONLY 0001
4178# define O_RDWR 0002
4179# define O_CREAT 0100
4180#endif
9a34ef1d 4181
16fe6d59
GS		 4182#ifndef O_BINARY
4183# define O_BINARY 0
4184#endif
4185
4186#ifndef O_TEXT
4187# define O_TEXT 0
4188#endif
4189
6ce75a77
JH		 4190#if O_TEXT != O_BINARY
4191 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4192 * that is, you are somehow DOSish. */
538204d5 4193# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4194 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4195 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4196 /* VOS has O_TEXT != O_BINARY, and they have effect,
4197 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4198 /* If you have O_TEXT different from your O_BINARY but you still are
4199 * not a CRLF shop. */
35990314 4200# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4201# else
4202 /* If you really are DOSish. */
4203# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4204# endif
4205#endif
4206
104d25b7
JH		 4207#ifdef IAMSUID
4208
4209#ifdef I_SYS_STATVFS
9f982a77
IG		 4210# if defined(PERL_SCO) && !defined(_SVID3)
4211# define _SVID3
4212# endif
32b3cf08
JH		 4213# include <sys/statvfs.h> /* for f?statvfs() */
4214#endif
4215#ifdef I_SYS_MOUNT
4216# include <sys/mount.h> /* for *BSD f?statfs() */
4217#endif
4218#ifdef I_MNTENT
4219# include <mntent.h> /* for getmntent() */
104d25b7 4220#endif
0545a864
JH		 4221#ifdef I_SYS_STATFS
4222# include <sys/statfs.h> /* for some statfs() */
4223#endif
4224#ifdef I_SYS_VFS
8d9e1a19
GS		 4225# ifdef __sgi
4226# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4227# endif
4228# include <sys/vfs.h> /* for some statfs() */
4229# ifdef __sgi
4230# undef IRIX_sv
4231# endif
0545a864
JH		 4232#endif
4233#ifdef I_USTAT
4234# include <ustat.h> /* for ustat() */
4235#endif
4236
4237#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4238# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4239#endif
4240#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4241# define PERL_MOUNT_NOSUID MNT_NOSUID
4242#endif
4243#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4244# define PERL_MOUNT_NOSUID MS_NOSUID
4245#endif
4246#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4247# define PERL_MOUNT_NOSUID M_NOSUID
4248#endif
104d25b7
JH		 4249
4250#endif /* IAMSUID */
4251
4bc88a62
PS		 4252#ifdef I_LIBUTIL
4253# include <libutil.h> /* setproctitle() in some FreeBSDs */
4254#endif
4255
b4748376
NIS		 4256#ifndef EXEC_ARGV_CAST
4257#define EXEC_ARGV_CAST(x) x
4258#endif
4259
dd5dc04f
JH		 4260#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4261 int). value returned in pointed-
4262 to UV */
4263#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4264#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4265#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4266#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4267#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4268
4269#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4270
53305cf1
NC		 4271/* Input flags: */
4272#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4273#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4274#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4275/* Output flags: */
4276#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4277
2c4f7f0e
DM		 4278/* to let user control profiling */
4279#ifdef PERL_GPROF_CONTROL
4280extern void moncontrol(int);
4281#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4282#else
4283#define PERL_GPROF_MONCONTROL(x)
4284#endif
4285
ae0e3d3b
JH		 4286#ifdef UNDER_CE
4287#include "wince.h"
4288#endif
4289
4290/* ISO 6429 NEL - C1 control NExt Line */
4291/* See http://www.unicode.org/unicode/reports/tr13/ */
4292#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4293# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4294# define NEXT_LINE_CHAR 0x15
4295# else /* CDRA */
4296# define NEXT_LINE_CHAR 0x25
4297# endif
4298#else
4299# define NEXT_LINE_CHAR 0x85
4300#endif
4301
4302/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4303#define UNICODE_LINE_SEPA_0 0xE2
4304#define UNICODE_LINE_SEPA_1 0x80
4305#define UNICODE_LINE_SEPA_2 0xA8
4306#define UNICODE_PARA_SEPA_0 0xE2
4307#define UNICODE_PARA_SEPA_1 0x80
4308#define UNICODE_PARA_SEPA_2 0xA9
4309
479b2847
GS		 4310#ifndef PIPESOCK_MODE
4311# define PIPESOCK_MODE
4312#endif
4313
460c8493
IZ		 4314#ifndef SOCKET_OPEN_MODE
4315# define SOCKET_OPEN_MODE PIPESOCK_MODE
4316#endif
4317
4318#ifndef PIPE_OPEN_MODE
4319# define PIPE_OPEN_MODE PIPESOCK_MODE
4320#endif
4321
7e8c5dac
HS		 4322#define PERL_MAGIC_UTF8_CACHESIZE 2
4323
a05d7ebb
JH		 4324#define PERL_UNICODE_STDIN_FLAG 0x0001
4325#define PERL_UNICODE_STDOUT_FLAG 0x0002
4326#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4327#define PERL_UNICODE_IN_FLAG 0x0008
4328#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4329#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4330#define PERL_UNICODE_LOCALE_FLAG 0x0040
4331#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4332
06e66572
JH		 4333#define PERL_UNICODE_STD_FLAG \
4334 (PERL_UNICODE_STDIN_FLAG | \
4335 PERL_UNICODE_STDOUT_FLAG | \
4336 PERL_UNICODE_STDERR_FLAG)
4337
4338#define PERL_UNICODE_INOUT_FLAG \
4339 (PERL_UNICODE_IN_FLAG | \
4340 PERL_UNICODE_OUT_FLAG)
4341
4342#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4343 (PERL_UNICODE_STD_FLAG | \
4344 PERL_UNICODE_INOUT_FLAG | \
4345 PERL_UNICODE_LOCALE_FLAG)
4346
4347#define PERL_UNICODE_ALL_FLAGS 0x00ff
4348
4349#define PERL_UNICODE_STDIN 'I'
4350#define PERL_UNICODE_STDOUT 'O'
4351#define PERL_UNICODE_STDERR 'E'
4352#define PERL_UNICODE_STD 'S'
4353#define PERL_UNICODE_IN 'i'
4354#define PERL_UNICODE_OUT 'o'
4355#define PERL_UNICODE_INOUT 'D'
4356#define PERL_UNICODE_ARGV 'A'
4357#define PERL_UNICODE_LOCALE 'L'
4358#define PERL_UNICODE_WIDESYSCALLS 'W'
4359
4ffa73a3
JH		 4360#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4361
16bd9a85
JH		 4362/* From sigaction(2) (FreeBSD man page):
4363 * | Signal routines normally execute with the signal that
4364 * | caused their invocation blocked, but other signals may
4365 * | yet occur.
4366 * Emulation of this behavior (from within Perl) is enabled
4367 * by defining PERL_BLOCK_SIGNALS.
4368 */
4369#define PERL_BLOCK_SIGNALS
4370
4371#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4372# define PERL_BLOCKSIG_ADD(set,sig) \
4373 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4374# define PERL_BLOCKSIG_BLOCK(set) \
4375 sigprocmask(SIG_BLOCK, &(set), NULL)
4376# define PERL_BLOCKSIG_UNBLOCK(set) \
4377 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4378#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4379
4380/* How about the old style of sigblock()? */
4381
4382#ifndef PERL_BLOCKSIG_ADD
4383# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4384#endif
4385#ifndef PERL_BLOCKSIG_BLOCK
4386# define PERL_BLOCKSIG_BLOCK(set) NOOP
4387#endif
2bfba5f0 4388#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4389# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4390#endif
4391
32fdb065 4392/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4393 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4394#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4395
4d8076ea 4396/* and finally... */
cceca5ed 4397#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4398#include "patchlevel.h"
cceca5ed 4399#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4400
43999f95 4401/* Mention
d460ef45 4402
43999f95 4403 NV_PRESERVES_UV
fe749a9f 4404
fe749a9f
JH		 4405 HAS_MKSTEMP
4406 HAS_MKSTEMPS
4407 HAS_MKDTEMP
4408
49dabb45
JH		 4409 HAS_GETCWD
4410
d59b5429 4411 HAS_MMAP
fe749a9f
JH		 4412 HAS_MPROTECT
4413 HAS_MSYNC
1e8c3fde 4414 HAS_MADVISE
fe749a9f
JH		 4415 HAS_MUNMAP
4416 I_SYSMMAN
4417 Mmap_t
4418
6b4667fc
A		 4419 NVef
4420 NVff
4421 NVgf
4422
4e0554ec 4423 HAS_UALARM
2d736872 4424 HAS_USLEEP
4e0554ec
JH		 4425
4426 HAS_SETITIMER
4427 HAS_GETITIMER
4428
4429 HAS_SENDMSG
4430 HAS_RECVMSG
4431 HAS_READV
4432 HAS_WRITEV
4433 I_SYSUIO
4434 HAS_STRUCT_MSGHDR
4435 HAS_STRUCT_CMSGHDR
4436
2765b840 4437 HAS_NL_LANGINFO
0a7020c9 4438
ae0e3d3b 4439 HAS_DIRFD
2765b840 4440
43999f95
JH		 4441 so that Configure picks them up. */
4442
85e6fe83 4443#endif /* Include guard */
ae0e3d3b 4444
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