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Handle PERLIO= and document a bit.
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4c79ee7a 3 * Copyright (c) 1987-2003, Larry Wall
a687059c 4 *
352d5a3a
LW		 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
d6376244 9
85e6fe83
LW		 10#ifndef H_PERL
11#define H_PERL 1
8d063cd8 12
760ac839
LW		 13#ifdef PERL_FOR_X2P
14/*
d460ef45 15 * This file is being used for x2p stuff.
760ac839 16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 17 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 18 */
55497cff 19#undef MULTIPLICITY
760ac839
LW		 20#undef USE_STDIO
21#define USE_STDIO
22#endif /* PERL_FOR_X2P */
23
95036ac7
JH		 24#if defined(DGUX)
25#include <sys/fcntl.h>
26#endif
27
47a51902
SB		 28#ifdef VOIDUSED
29# undef VOIDUSED
30#endif
0cb96387 31#define VOIDUSED 1
47a51902 32
d460ef45 33#ifdef PERL_MICRO
12ae5dfc
JH		 34# include "uconfig.h"
35#else
36# include "config.h"
37#endif
0cb96387 38
2c2d71f5
JH		 39/* See L<perlguts/"The Perl API"> for detailed notes on
40 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
41
ac6bedea
JH		 42/* Note that from here --> to <-- the same logic is
43 * repeated in makedef.pl, so be certain to update
44 * both places when editing. */
45
ba979b31
NIS		 46#ifdef PERL_IMPLICIT_SYS
47/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
48 so use slab allocator to avoid lots of MUTEX overhead
49 */
6916a0ab
NIS		 50# ifndef PL_OP_SLAB_ALLOC
51# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 52# endif
53#endif
54
6f4183fe 55#ifdef USE_ITHREADS
acfe0abc 56# if !defined(MULTIPLICITY)
6f4183fe
GS		 57# define MULTIPLICITY
58# endif
59#endif
60
c5be433b
GS		 61#if defined(MULTIPLICITY)
62# ifndef PERL_IMPLICIT_CONTEXT
63# define PERL_IMPLICIT_CONTEXT
64# endif
c5be433b
GS		 65#endif
66
026fd48b
GH		 67/* undef WIN32 when building on Cygwin (for libwin32) - gph */
68#ifdef __CYGWIN__
69# undef WIN32
70# undef _WIN32
71#endif
72
10bc17b6
JH		 73/* Use the reentrant APIs like localtime_r and getpwent_r */
74/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
9366f0ec 75#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
10bc17b6
JH		 76# define USE_REENTRANT_API
77#endif
78
ac6bedea
JH		 79/* <--- here ends the logic shared by perl.h and makedef.pl */
80
c5be433b 81#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 82# ifndef MULTIPLICITY
83# define MULTIPLICITY
c5be433b 84# endif
3db8f154
MB		 85# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
86# define aTHX my_perl
87# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 88# define dTHX pTHX = PERL_GET_THX
c5be433b 89# define pTHX_ pTHX,
c5be433b 90# define aTHX_ aTHX,
894356b3
GS		 91# define pTHX_1 2
92# define pTHX_2 3
93# define pTHX_3 4
94# define pTHX_4 5
c5be433b
GS		 95#endif
96
76e3520e
GS		 97#define STATIC static
98#define CPERLscope(x) x
565764a8 99#define CPERLarg void
76e3520e 100#define CPERLarg_
e3b8966e 101#define _CPERLarg
1d583055
GS		 102#define PERL_OBJECT_THIS
103#define _PERL_OBJECT_THIS
104#define PERL_OBJECT_THIS_
312caa8e 105#define CALL_FPTR(fptr) (*fptr)
76e3520e 106
312caa8e
CS		 107#define CALLRUNOPS CALL_FPTR(PL_runops)
108#define CALLREGCOMP CALL_FPTR(PL_regcompp)
109#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 110#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
111#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
112#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 113
114#ifdef PERL_FLEXIBLE_EXCEPTIONS
115# define CALLPROTECT CALL_FPTR(PL_protect)
116#endif
312caa8e 117
44dbb695 118#ifdef HASATTRIBUTE
3da75212
MB		 119# if defined(__GNUC__) && defined(__cplusplus)
120# define PERL_UNUSED_DECL
121# else
122# define PERL_UNUSED_DECL __attribute__((unused))
123# endif
44dbb695
JH		 124#else
125# define PERL_UNUSED_DECL
126#endif
127
349b520e
DM		 128/* gcc -Wall:
129 * for silencing unused variables that are actually used most of the time,
130 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
131 */
132#define PERL_UNUSED_VAR(var) if (0) var = var
133
0cb96387 134#define NOOP (void)0
44dbb695 135#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 136
0cb96387
GS		 137#ifndef pTHX
138# define pTHX void
139# define pTHX_
0cb96387
GS		 140# define aTHX
141# define aTHX_
0cb96387
GS		 142# define dTHXa(a) dNOOP
143# define dTHX dNOOP
894356b3
GS		 144# define pTHX_1 1
145# define pTHX_2 2
146# define pTHX_3 3
147# define pTHX_4 4
0cb96387
GS		 148#endif
149
b4f7f263
GS		 150/* these are only defined for compatibility; should not be used internally */
151#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 152# define pTHXo pTHX
153# define pTHXo_ pTHX_
0cb96387
GS		 154# define aTHXo aTHX
155# define aTHXo_ aTHX_
c5be433b 156# define dTHXo dTHX
71d280e3 157# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 158#endif
159
160#ifndef pTHXx
161# define pTHXx register PerlInterpreter *my_perl
162# define pTHXx_ pTHXx,
0cb96387
GS		 163# define aTHXx my_perl
164# define aTHXx_ aTHXx,
c5be433b 165# define dTHXx dTHX
22c35a8c 166#endif
71be2cbc 167
1de7c2ac
GS		 168/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
169 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
170 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
171#ifdef PERL_IMPLICIT_SYS
172# define dTHXs dTHX
173#else
174# define dTHXs dNOOP
175#endif
176
326b05e3
GS		 177#undef START_EXTERN_C
178#undef END_EXTERN_C
179#undef EXTERN_C
32f822de
GS		 180#ifdef __cplusplus
181# define START_EXTERN_C extern "C" {
182# define END_EXTERN_C }
183# define EXTERN_C extern "C"
184#else
d460ef45
NIS		 185# define START_EXTERN_C
186# define END_EXTERN_C
73c4f7a1 187# define EXTERN_C extern
32f822de
GS		 188#endif
189
462e5cf6
MB		 190#ifdef OP_IN_REGISTER
191# ifdef __GNUC__
192# define stringify_immed(s) #s
193# define stringify(s) stringify_immed(s)
d1ca3daa 194register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 195# endif
196#endif
197
728e2803 198/*
199 * STMT_START { statements; } STMT_END;
200 * can be used as a single statement, as in
201 * if (x) STMT_START { ... } STMT_END; else ...
202 *
203 * Trying to select a version that gives no warnings...
204 */
205#if !(defined(STMT_START) && defined(STMT_END))
93189314 206# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC) && !defined(__cplusplus)
728e2803 207# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
208# define STMT_END )
209# else
210 /* Now which other defined()s do we need here ??? */
93189314 211# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 212# define STMT_START if (1)
213# define STMT_END else (void)0
214# else
215# define STMT_START do
216# define STMT_END while (0)
217# endif
218# endif
219#endif
220
0cb96387 221#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 222#define WITH_THR(s) WITH_THX(s)
ea0efc06 223
55497cff 224/*
225 * SOFT_CAST can be used for args to prototyped functions to retain some
226 * type checking; it only casts if the compiler does not know prototypes.
227 */
228#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
229#define SOFT_CAST(type)
230#else
231#define SOFT_CAST(type) (type)
232#endif
79072805 233
6ee623d5 234#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 235# define BYTEORDER 0x1234
236#endif
237
238/* Overall memory policy? */
239#ifndef CONSERVATIVE
240# define LIBERAL 1
241#endif
242
8ada0baa
JH		 243#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
244#define ASCIIish
245#else
246#undef ASCIIish
247#endif
248
79072805
LW		 249/*
250 * The following contortions are brought to you on behalf of all the
251 * standards, semi-standards, de facto standards, not-so-de-facto standards
252 * of the world, as well as all the other botches anyone ever thought of.
253 * The basic theory is that if we work hard enough here, the rest of the
254 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
255 */
ac58e20f 256
ee0007ab 257/* define this once if either system, instead of cluttering up the src */
2986a63f 258#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 259#define DOSISH 1
260#endif
261
2986a63f 262#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 263# define STANDARD_C 1
264#endif
265
2986a63f 266#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 267# define DONT_DECLARE_STD 1
268#endif
269
352d5a3a 270#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 271# ifdef __cplusplus
cb69f87a 272# define VOL /* to temporarily suppress warnings */
79072805
LW		 273# else
274# define VOL volatile
275# endif
663a0e37 276#else
79072805 277# define VOL
663a0e37
LW		 278#endif
279
3280af22
NIS		 280#define TAINT (PL_tainted = TRUE)
281#define TAINT_NOT (PL_tainted = FALSE)
282#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
283#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 284#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 285
d460ef45 286/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 287 defines move there? If so, I could simplify this a lot. --AD 9/96.
288*/
289/* Process group stuff changed from traditional BSD to POSIX.
290 perlfunc.pod documents the traditional BSD-style syntax, so we'll
291 try to preserve that, if possible.
292*/
293#ifdef HAS_SETPGID
294# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 295#else
a6e633de 296# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
297# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
298# else
299# ifdef HAS_SETPGRP2 /* DG/UX */
300# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
301# endif
302# endif
303#endif
304#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
305# define HAS_SETPGRP /* Well, effectively it does . . . */
306#endif
307
308/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
309 our life easier :-) so we'll try it.
310*/
311#ifdef HAS_GETPGID
312# define BSD_GETPGRP(pid) getpgid((pid))
313#else
314# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
315# define BSD_GETPGRP(pid) getpgrp((pid))
316# else
317# ifdef HAS_GETPGRP2 /* DG/UX */
318# define BSD_GETPGRP(pid) getpgrp2((pid))
319# endif
320# endif
321#endif
322#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
323# define HAS_GETPGRP /* Well, effectively it does . . . */
324#endif
325
d460ef45 326/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 327 have different behaviors, but perl.h used to define USE_BSDPGRP
328 (prior to 5.003_05) so some extension might depend on it.
329*/
330#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
331# ifndef USE_BSDPGRP
332# define USE_BSDPGRP
333# endif
663a0e37
LW		 334#endif
335
8ac5a1fe
MH		 336/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
337 pthread.h must be included before all other header files.
338*/
3db8f154 339#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 340# include <pthread.h>
341#endif
342
760ac839
LW		 343#ifndef _TYPES_ /* If types.h defines this it's easy. */
344# ifndef major /* Does everyone's types.h define this? */
345# include <sys/types.h>
c07a80fd 346# endif
663a0e37
LW		 347#endif
348
760ac839
LW		 349#ifdef __cplusplus
350# ifndef I_STDARG
351# define I_STDARG 1
352# endif
353#endif
354
355#ifdef I_STDARG
356# include <stdarg.h>
357#else
358# ifdef I_VARARGS
359# include <varargs.h>
360# endif
361#endif
362
4633a7c4 363#ifdef USE_NEXT_CTYPE
0c30d9ec 364
092bebab
JH		 365#if NX_CURRENT_COMPILER_RELEASE >= 500
366# include <bsd/ctypes.h>
367#else
368# if NX_CURRENT_COMPILER_RELEASE >= 400
369# include <objc/NXCType.h>
370# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
371# include <appkit/NXCType.h>
372# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
373#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 374
375#else /* !USE_NEXT_CTYPE */
fe14fcc3 376#include <ctype.h>
0c30d9ec 377#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 378
379#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
380#undef METHOD
a0d0e21e
LW		 381#endif
382
12ae5dfc
JH		 383#ifdef PERL_MICRO
384# define NO_LOCALE
385#endif
386
4633a7c4 387#ifdef I_LOCALE
36477c24 388# include <locale.h>
4633a7c4
LW		 389#endif
390
36477c24 391#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
392# define USE_LOCALE
393# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
394 && defined(HAS_STRXFRM)
395# define USE_LOCALE_COLLATE
396# endif
397# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
398# define USE_LOCALE_CTYPE
399# endif
400# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
401# define USE_LOCALE_NUMERIC
402# endif
403#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 404
fe14fcc3 405#include <setjmp.h>
79072805 406
a0d0e21e 407#ifdef I_SYS_PARAM
79072805
LW		 408# ifdef PARAM_NEEDS_TYPES
409# include <sys/types.h>
410# endif
411# include <sys/param.h>
352d5a3a 412#endif
79072805 413
79072805 414/* Use all the "standard" definitions? */
a0d0e21e 415#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 416# include <stdlib.h>
ff68c719 417#endif
03a14243 418
3f270f98
JH		 419/* If this causes problems, set i_unistd=undef in the hint file. */
420#ifdef I_UNISTD
421# include <unistd.h>
422#endif
423
7114a2d2 424#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 425int syscall(int, ...);
426#endif
427
7114a2d2 428#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 429int usleep(unsigned int);
2ef53570
JH		 430#endif
431
9a34ef1d
GS		 432#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
433# define MYSWAP
434#endif
435
66a93824
NIS		 436/* Cannot include embed.h here on Win32 as win32.h has not
437 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
438 */
96e176bf 439#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 440# include "embed.h"
441#endif
442
c31fac66
GS		 443#define MEM_SIZE Size_t
444
51371543
GS		 445#if defined(STANDARD_C) && defined(I_STDDEF)
446# include <stddef.h>
447# define STRUCT_OFFSET(s,m) offsetof(s,m)
448#else
449# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
450#endif
451
452#if defined(I_STRING) || defined(__cplusplus)
453# include <string.h>
454#else
455# include <strings.h>
456#endif
457
55497cff 458/* This comes after <stdlib.h> so we don't try to change the standard
459 * library prototypes; we'll use our own in proto.h instead. */
03a14243 460
4633a7c4 461#ifdef MYMALLOC
86058a2d 462# ifdef PERL_POLLUTE_MALLOC
ee13e175 463# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 464# define Perl_malloc malloc
465# define Perl_calloc calloc
466# define Perl_realloc realloc
467# define Perl_mfree free
ee13e175 468# endif
86058a2d
GS		 469# else
470# define EMBEDMYMALLOC /* for compatibility */
471# endif
993c6a59 472START_EXTERN_C
20ce7b12
GS		 473Malloc_t Perl_malloc (MEM_SIZE nbytes);
474Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
475Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 476/* 'mfree' rather than 'free', since there is already a 'perl_free'
477 * that causes clashes with case-insensitive linkers */
20ce7b12 478Free_t Perl_mfree (Malloc_t where);
993c6a59 479END_EXTERN_C
55497cff 480
827e134a
GS		 481typedef struct perl_mstats perl_mstats_t;
482
651b9576
GS		 483# define safemalloc Perl_malloc
484# define safecalloc Perl_calloc
485# define saferealloc Perl_realloc
486# define safefree Perl_mfree
f2517201
GS		 487#else /* MYMALLOC */
488# define safemalloc safesysmalloc
489# define safecalloc safesyscalloc
490# define saferealloc safesysrealloc
491# define safefree safesysfree
55497cff 492#endif /* MYMALLOC */
4633a7c4 493
a0d0e21e
LW		 494#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
495#define strchr index
496#define strrchr rindex
497#endif
498
16d20bd9
AD		 499#ifdef I_MEMORY
500# include <memory.h>
501#endif
502
fe14fcc3 503#ifdef HAS_MEMCPY
85e6fe83 504# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 505# ifndef memcpy
20ce7b12 506 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 507# endif
508# endif
509#else
510# ifndef memcpy
511# ifdef HAS_BCOPY
512# define memcpy(d,s,l) bcopy(s,d,l)
513# else
514# define memcpy(d,s,l) my_bcopy(s,d,l)
515# endif
516# endif
517#endif /* HAS_MEMCPY */
fe14fcc3 518
ee0007ab 519#ifdef HAS_MEMSET
85e6fe83 520# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 521# ifndef memset
20ce7b12 522 extern char *memset (char*, int, int);
ee0007ab
LW		 523# endif
524# endif
ee0007ab 525#else
12ae5dfc 526# undef memset
fc36a67e 527# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 528#endif /* HAS_MEMSET */
529
85e6fe83 530#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 531# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 532# define memmove(d,s,l) bcopy(s,d,l)
533# else
2304df62 534# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 535# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 536# else
79072805 537# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 538# endif
352d5a3a 539# endif
d9d8d8de 540#endif
ee0007ab 541
36477c24 542#if defined(mips) && defined(ultrix) && !defined(__STDC__)
543# undef HAS_MEMCMP
544#endif
545
546#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 547# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 548# ifndef memcmp
20ce7b12 549 extern int memcmp (char*, char*, int);
ee0007ab
LW		 550# endif
551# endif
36477c24 552# ifdef BUGGY_MSC
553 # pragma function(memcmp)
554# endif
ee0007ab
LW		 555#else
556# ifndef memcmp
ecfc5424 557# define memcmp my_memcmp
352d5a3a 558# endif
36477c24 559#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 560
fc36a67e 561#ifndef memzero
c635e13b 562# ifdef HAS_MEMSET
563# define memzero(d,l) memset(d,0,l)
79072805 564# else
c635e13b 565# ifdef HAS_BZERO
566# define memzero(d,l) bzero(d,l)
79072805 567# else
fc36a67e 568# define memzero(d,l) my_bzero(d,l)
79072805
LW		 569# endif
570# endif
d9d8d8de 571#endif
378cc40b 572
0f27ced1
JH		 573#ifndef memchr
574# ifndef HAS_MEMCHR
575# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
576# endif
577#endif
578
36477c24 579#ifndef HAS_BCMP
580# ifndef bcmp
581# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 582# endif
36477c24 583#endif /* !HAS_BCMP */
378cc40b 584
ae986130 585#ifdef I_NETINET_IN
79072805 586# include <netinet/in.h>
ae986130
LW		 587#endif
588
28e8609d
JH		 589#ifdef I_ARPA_INET
590# include <arpa/inet.h>
591#endif
592
84902520
TB		 593#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
594/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
595 * (the neo-BSD seem to do this). */
596# undef SF_APPEND
597#endif
598
1aef975c 599#ifdef I_SYS_STAT
84902520 600# include <sys/stat.h>
1aef975c 601#endif
79072805 602
a0d0e21e
LW		 603/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
604 like UTekV) are broken, sometimes giving false positives. Undefine
605 them here and let the code below set them to proper values.
606
607 The ghs macro stands for GreenHills Software C-1.8.5 which
608 is the C compiler for sysV88 and the various derivatives.
609 This header file bug is corrected in gcc-2.5.8 and later versions.
610 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
611
612#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 613# undef S_ISDIR
614# undef S_ISCHR
615# undef S_ISBLK
616# undef S_ISREG
617# undef S_ISFIFO
618# undef S_ISLNK
ee0007ab 619#endif
135863df 620
663a0e37
LW		 621#ifdef I_TIME
622# include <time.h>
ffed7fef 623#endif
663a0e37 624
fe14fcc3 625#ifdef I_SYS_TIME
85e6fe83 626# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 627# define KERNEL
628# endif
629# include <sys/time.h>
85e6fe83 630# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 631# undef KERNEL
632# endif
a687059c 633#endif
135863df 634
55497cff 635#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 636# include <sys/times.h>
d9d8d8de 637#endif
8d063cd8 638
fe14fcc3 639#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 640# undef HAS_STRERROR
663a0e37
LW		 641#endif
642
643#include <errno.h>
1e743fda 644
acfe0abc 645#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 646# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
647#endif
648
4e0554ec
JH		 649/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
650#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
651# define _SOCKADDR_LEN
652#endif
653
8d3f517a 654#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 655# include <sys/socket.h>
656# if defined(USE_SOCKS) && defined(I_SOCKS)
657# if !defined(INCLUDE_PROTOTYPES)
658# define INCLUDE_PROTOTYPES /* for <socks.h> */
659# define PERL_SOCKS_NEED_PROTOTYPES
660# endif
661# include <socks.h>
662# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
663# undef INCLUDE_PROTOTYPES
664# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 665# endif
d460ef45 666# endif
1e743fda 667# ifdef I_NETDB
2986a63f
JH		 668# ifdef NETWARE
669# include<stdio.h>
670# endif
1e743fda
JH		 671# include <netdb.h>
672# endif
673# ifndef ENOTSOCK
674# ifdef I_NET_ERRNO
675# include <net/errno.h>
676# endif
677# endif
678#endif
679
fa0a29af 680/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 681 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 682#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 683int sockatmark(int);
684#endif
685
1e743fda
JH		 686#ifdef SETERRNO
687# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 688#endif
f86702cc 689
690#ifdef VMS
691# define SETERRNO(errcode,vmserrcode) \
692 STMT_START { \
693 set_errno(errcode); \
694 set_vaxc_errno(vmserrcode); \
695 } STMT_END
93189314
JH		 696# define LIB_INVARG LIB$_INVARG
697# define RMS_DIR RMS$_DIR
698# define RMS_FAC RMS$_FAC
699# define RMS_FEX RMS$_FEX
700# define RMS_FNF RMS$_FNF
701# define RMS_IFI RMS$_IFI
702# define RMS_ISI RMS$_ISI
703# define RMS_PRV RMS$_PRV
704# define SS_ACCVIO SS$_ACCVIO
705# define SS_DEVOFFLINE SS$_DEVOFFLINE
706# define SS_IVCHAN SS$_IVCHAN
707# define SS_NORMAL SS$_NORMAL
748a9306 708#else
aba27d88 709# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 710# define LIB_INVARG 0
711# define RMS_DIR 0
712# define RMS_FAC 0
713# define RMS_FEX 0
714# define RMS_FNF 0
715# define RMS_IFI 0
716# define RMS_ISI 0
717# define RMS_PRV 0
718# define SS_ACCVIO 0
719# define SS_DEVOFFLINE 0
720# define SS_IVCHAN 0
721# define SS_NORMAL 0
748a9306 722#endif
ed6116ce 723
3db8f154
MB		 724#define ERRSV GvSV(PL_errgv)
725#define DEFSV GvSV(PL_defgv)
726#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 727
98eae8f5
GS		 728#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
729
55497cff 730#ifndef errno
5ff3f7a4
GS		 731 extern int errno; /* ANSI allows errno to be an lvalue expr.
732 * For example in multithreaded environments
733 * something like this might happen:
734 * extern int *_errno(void);
735 * #define errno (*_errno()) */
d9d8d8de 736#endif
663a0e37 737
2304df62 738#ifdef HAS_STRERROR
a0d0e21e 739# ifdef VMS
20ce7b12 740 char *strerror (int,...);
a0d0e21e 741# else
68dc0745 742#ifndef DONT_DECLARE_STD
20ce7b12 743 char *strerror (int);
68dc0745 744#endif
a0d0e21e 745# endif
2304df62
AD		 746# ifndef Strerror
747# define Strerror strerror
748# endif
749#else
750# ifdef HAS_SYS_ERRLIST
79072805
LW		 751 extern int sys_nerr;
752 extern char *sys_errlist[];
2304df62
AD		 753# ifndef Strerror
754# define Strerror(e) \
79072805 755 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 756# endif
79072805 757# endif
35c8bce7 758#endif
663a0e37 759
2304df62 760#ifdef I_SYS_IOCTL
79072805
LW		 761# ifndef _IOCTL_
762# include <sys/ioctl.h>
763# endif
a687059c
LW		 764#endif
765
ee0007ab 766#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 767# ifdef HAS_SOCKETPAIR
768# undef HAS_SOCKETPAIR
769# endif
2304df62
AD		 770# ifdef I_NDBM
771# undef I_NDBM
79072805 772# endif
a687059c
LW		 773#endif
774
02fc2eee
NC		 775#ifndef HAS_SOCKETPAIR
776# ifdef HAS_SOCKET
777# define socketpair Perl_my_socketpair
778# endif
779#endif
780
a687059c 781#if INTSIZE == 2
79072805
LW		 782# define htoni htons
783# define ntohi ntohs
a687059c 784#else
79072805
LW		 785# define htoni htonl
786# define ntohi ntohl
a687059c
LW		 787#endif
788
a0d0e21e 789/* Configure already sets Direntry_t */
35c8bce7 790#if defined(I_DIRENT)
663a0e37 791# include <dirent.h>
8f1f23e8
W		 792 /* NeXT needs dirent + sys/dir.h */
793# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 794# include <sys/dir.h>
795# endif
ae986130 796#else
fe14fcc3 797# ifdef I_SYS_NDIR
79a0689e 798# include <sys/ndir.h>
663a0e37 799# else
fe14fcc3 800# ifdef I_SYS_DIR
79a0689e
LW		 801# ifdef hp9000s500
802# include <ndir.h> /* may be wrong in the future */
803# else
804# include <sys/dir.h>
805# endif
663a0e37
LW		 806# endif
807# endif
4633a7c4 808#endif
a687059c 809
12ae5dfc
JH		 810#ifdef PERL_MICRO
811# ifndef DIR
812# define DIR void
813# endif
814#endif
815
352d5a3a
LW		 816#ifdef FPUTS_BOTCH
817/* work around botch in SunOS 4.0.1 and 4.0.2 */
818# ifndef fputs
79072805 819# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 820# endif
821#endif
822
c623bd54
LW		 823/*
824 * The following gobbledygook brought to you on behalf of __STDC__.
825 * (I could just use #ifndef __STDC__, but this is more bulletproof
826 * in the face of half-implementations.)
827 */
828
7114a2d2 829#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 830#include <sys/mode.h>
831#endif
832
c623bd54
LW		 833#ifndef S_IFMT
834# ifdef _S_IFMT
835# define S_IFMT _S_IFMT
836# else
837# define S_IFMT 0170000
838# endif
839#endif
840
841#ifndef S_ISDIR
842# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
843#endif
844
845#ifndef S_ISCHR
846# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
847#endif
848
849#ifndef S_ISBLK
fe14fcc3
LW		 850# ifdef S_IFBLK
851# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
852# else
853# define S_ISBLK(m) (0)
854# endif
c623bd54
LW		 855#endif
856
857#ifndef S_ISREG
858# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
859#endif
860
861#ifndef S_ISFIFO
fe14fcc3
LW		 862# ifdef S_IFIFO
863# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
864# else
865# define S_ISFIFO(m) (0)
866# endif
c623bd54
LW		 867#endif
868
869#ifndef S_ISLNK
870# ifdef _S_ISLNK
871# define S_ISLNK(m) _S_ISLNK(m)
872# else
873# ifdef _S_IFLNK
874# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
875# else
876# ifdef S_IFLNK
877# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
878# else
879# define S_ISLNK(m) (0)
880# endif
881# endif
882# endif
883#endif
884
885#ifndef S_ISSOCK
886# ifdef _S_ISSOCK
887# define S_ISSOCK(m) _S_ISSOCK(m)
888# else
889# ifdef _S_IFSOCK
890# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
891# else
892# ifdef S_IFSOCK
893# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
894# else
895# define S_ISSOCK(m) (0)
896# endif
897# endif
898# endif
899#endif
900
901#ifndef S_IRUSR
902# ifdef S_IREAD
903# define S_IRUSR S_IREAD
904# define S_IWUSR S_IWRITE
905# define S_IXUSR S_IEXEC
906# else
907# define S_IRUSR 0400
908# define S_IWUSR 0200
909# define S_IXUSR 0100
910# endif
fac7cdfc
JS		 911#endif
912
913#ifndef S_IRGRP
914# ifdef S_IRUSR
915# define S_IRGRP (S_IRUSR>>3)
916# define S_IWGRP (S_IWUSR>>3)
917# define S_IXGRP (S_IXUSR>>3)
918# else
919# define S_IRGRP 0040
920# define S_IWGRP 0020
921# define S_IXGRP 0010
922# endif
923#endif
924
925#ifndef S_IROTH
926# ifdef S_IRUSR
927# define S_IROTH (S_IRUSR>>6)
928# define S_IWOTH (S_IWUSR>>6)
929# define S_IXOTH (S_IXUSR>>6)
930# else
931# define S_IROTH 0040
932# define S_IWOTH 0020
933# define S_IXOTH 0010
934# endif
c623bd54
LW		 935#endif
936
937#ifndef S_ISUID
938# define S_ISUID 04000
939#endif
940
941#ifndef S_ISGID
942# define S_ISGID 02000
943#endif
944
ca6e1c26
JH		 945#ifndef S_IRWXU
946# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 947#endif
ca6e1c26
JH		 948
949#ifndef S_IRWXG
950# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 951#endif
ca6e1c26
JH		 952
953#ifndef S_IRWXO
954# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 955#endif
ca6e1c26 956
c21fb2b8
JH		 957/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
958 * which would get included through <sys/file.h >, but that is 3000
959 * lines in the future. --jhi */
960
961#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 962# define S_IREAD S_IRUSR
963#endif
964
c21fb2b8 965#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 966# define S_IWRITE S_IWUSR
967#endif
968
969#ifndef S_IEXEC
970# define S_IEXEC S_IXUSR
971#endif
972
79072805
LW		 973#ifdef ff_next
974# undef ff_next
352d5a3a
LW		 975#endif
976
a0d0e21e 977#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 978# define SLOPPYDIVIDE
979#endif
980
748a9306
LW		 981#ifdef UV
982#undef UV
983#endif
984
c89df6bf
JH		 985#ifdef SPRINTF_E_BUG
986# define sprintf UTS_sprintf_wrap
987#endif
988
c495e728
JH		 989/* Configure gets this right but the UTS compiler gets it wrong.
990 -- Hal Morris <hom00@utsglobal.com> */
991#ifdef UTS
992# undef UVTYPE
993# define UVTYPE unsigned
994#endif
995
05f13f53 996/*
27d4fb96 997 The IV type is supposed to be long enough to hold any integral
998 value or a pointer.
999 --Andy Dougherty August 1996
1000*/
1001
a22e52b9
JH		 1002typedef IVTYPE IV;
1003typedef UVTYPE UV;
8175356b 1004
10cc9d2a 1005#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1006# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1007# define IV_MAX INT64_MAX
1008# define IV_MIN INT64_MIN
1009# define UV_MAX UINT64_MAX
cae7ae48
JH		 1010# ifndef UINT64_MIN
1011# define UINT64_MIN 0
1012# endif
5ff3f7a4
GS		 1013# define UV_MIN UINT64_MIN
1014# else
1015# define IV_MAX PERL_QUAD_MAX
1016# define IV_MIN PERL_QUAD_MIN
1017# define UV_MAX PERL_UQUAD_MAX
1018# define UV_MIN PERL_UQUAD_MIN
1019# endif
cf2093f6
JH		 1020# define IV_IS_QUAD
1021# define UV_IS_QUAD
79072805 1022#else
8175356b 1023# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1024# define IV_MAX INT32_MAX
1025# define IV_MIN INT32_MIN
716026f9
DL		 1026# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1027# define UV_MAX UINT32_MAX
1028# else
1029# define UV_MAX 4294967295U
1030# endif
cae7ae48
JH		 1031# ifndef UINT32_MIN
1032# define UINT32_MIN 0
1033# endif
5ff3f7a4
GS		 1034# define UV_MIN UINT32_MIN
1035# else
1036# define IV_MAX PERL_LONG_MAX
1037# define IV_MIN PERL_LONG_MIN
1038# define UV_MAX PERL_ULONG_MAX
1039# define UV_MIN PERL_ULONG_MIN
1040# endif
8175356b 1041# if IVSIZE == 8
cf2093f6
JH		 1042# define IV_IS_QUAD
1043# define UV_IS_QUAD
de1c2614
JH		 1044# ifndef HAS_QUAD
1045# define HAS_QUAD
1046# endif
cf2093f6
JH		 1047# else
1048# undef IV_IS_QUAD
1049# undef UV_IS_QUAD
de1c2614 1050# undef HAS_QUAD
cf2093f6 1051# endif
79072805 1052#endif
d7d93a81 1053
6cde8aec 1054#if defined(uts) || defined(UTS)
11afe549
HM		 1055# undef UV_MAX
1056# define UV_MAX (4294967295u)
20601011
JH		 1057#endif
1058
cae7ae48 1059#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1060#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1061
28e5dec8 1062#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1063#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1064#endif
1065
d460ef45 1066/*
26bb67e2
JH		 1067 * The macros INT2PTR and NUM2PTR are (despite their names)
1068 * bi-directional: they will convert int/float to or from pointers.
1069 * However the conversion to int/float are named explicitly:
1070 * PTR2IV, PTR2UV, PTR2NV.
1071 *
1072 * For int conversions we do not need two casts if pointers are
1073 * the same size as IV and UV. Otherwise we need an explicit
1074 * cast (PTRV) to avoid compiler warnings.
1075 */
56431972
RB		 1076#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1077# define PTRV UV
1078# define INT2PTR(any,d) (any)(d)
1079#else
d460ef45 1080# if PTRSIZE == LONGSIZE
56431972 1081# define PTRV unsigned long
42718184 1082# else
56431972 1083# define PTRV unsigned
42718184 1084# endif
56431972 1085# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1086#endif
56431972
RB		 1087#define NUM2PTR(any,d) (any)(PTRV)(d)
1088#define PTR2IV(p) INT2PTR(IV,p)
1089#define PTR2UV(p) INT2PTR(UV,p)
1090#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1091#if PTRSIZE == LONGSIZE
d2560b70
RB		 1092# define PTR2ul(p) (unsigned long)(p)
1093#else
1094# define PTR2ul(p) INT2PTR(unsigned long,p)
1095#endif
d460ef45 1096
65202027 1097#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1098# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1099# define LONG_DOUBLE_EQUALS_DOUBLE
1100# endif
68d4903c 1101# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1102# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1103# endif
1104#endif
1105
2d4389e4
JH		 1106#ifdef OVR_DBL_DIG
1107/* Use an overridden DBL_DIG */
1108# ifdef DBL_DIG
1109# undef DBL_DIG
1110# endif
1111# define DBL_DIG OVR_DBL_DIG
1112#else
1113/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1114 default value for printing floating point numbers in Gconvert
1115 (see config.h). (It also has other uses, such as figuring out if
1116 a given precision of printing can be done with a double instead of
1117 a long double - Allen).
2d4389e4
JH		 1118*/
1119#ifdef I_LIMITS
1120#include <limits.h>
1121#endif
1122#ifdef I_FLOAT
1123#include <float.h>
1124#endif
1125#ifndef HAS_DBL_DIG
1126#define DBL_DIG 15 /* A guess that works lots of places */
1127#endif
1128#endif
cbca01e1
JH		 1129#ifdef I_FLOAT
1130#include <float.h>
1131#endif
1132#ifndef HAS_DBL_DIG
1133#define DBL_DIG 15 /* A guess that works lots of places */
1134#endif
2d4389e4
JH		 1135
1136#ifdef OVR_LDBL_DIG
1137/* Use an overridden LDBL_DIG */
1138# ifdef LDBL_DIG
1139# undef LDBL_DIG
1140# endif
1141# define LDBL_DIG OVR_LDBL_DIG
1142#else
1143/* The following is all to get LDBL_DIG, in order to pick a nice
1144 default value for printing floating point numbers in Gconvert.
1145 (see config.h)
1146*/
68d4903c
JH		 1147# ifdef I_LIMITS
1148# include <limits.h>
1149# endif
1150# ifdef I_FLOAT
1151# include <float.h>
1152# endif
1153# ifndef HAS_LDBL_DIG
1154# if LONG_DOUBLESIZE == 10
1155# define LDBL_DIG 18 /* assume IEEE */
1156# else
1157# if LONG_DOUBLESIZE == 12
1158# define LDBL_DIG 18 /* gcc? */
1159# else
1160# if LONG_DOUBLESIZE == 16
1161# define LDBL_DIG 33 /* assume IEEE */
1162# else
1163# if LONG_DOUBLESIZE == DOUBLESIZE
1164# define LDBL_DIG DBL_DIG /* bummer */
1165# endif
1166# endif
1167# endif
1168# endif
1169# endif
2d4389e4
JH		 1170#endif
1171
20f6aaab
AS		 1172/*
1173 * This is for making sure we have a good DBL_MAX value, if possible,
1174 * either for usage as NV_MAX or for usage in figuring out if we can
1175 * fit a given long double into a double, if bug-fixing makes it
1176 * necessary to do so. - Allen <allens@cpan.org>
1177 */
1178
205f51d8
AS		 1179#ifdef I_LIMITS
1180# include <limits.h>
20f6aaab
AS		 1181#endif
1182
205f51d8
AS		 1183#ifdef I_VALUES
1184# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1185# include <values.h>
1186# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1187# define DBL_MAX MAXDOUBLE
1188# endif
1189# if defined(MINDOUBLE) && !defined(DBL_MIN)
1190# define DBL_MIN MINDOUBLE
1191# endif
1192# endif
1193#endif /* defined(I_VALUES) */
1194
a22e52b9 1195typedef NVTYPE NV;
8175356b 1196
792d8dab
JH		 1197#ifdef I_IEEEFP
1198# include <ieeefp.h>
1199#endif
923fc586 1200
65202027 1201#ifdef USE_LONG_DOUBLE
923fc586
JH		 1202# ifdef I_SUNMATH
1203# include <sunmath.h>
1204# endif
2d4389e4 1205# define NV_DIG LDBL_DIG
d6c14000
JH		 1206# ifdef LDBL_MANT_DIG
1207# define NV_MANT_DIG LDBL_MANT_DIG
1208# endif
06fc1729
JH		 1209# ifdef LDBL_MIN
1210# define NV_MIN LDBL_MIN
1211# endif
1212# ifdef LDBL_MAX
1213# define NV_MAX LDBL_MAX
1214# endif
1215# ifdef LDBL_MIN_10_EXP
1216# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1217# endif
1218# ifdef LDBL_MAX_10_EXP
1219# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1220# endif
1221# ifdef LDBL_EPSILON
1222# define NV_EPSILON LDBL_EPSILON
1223# endif
f4a14a62
JH		 1224# ifdef LDBL_MAX
1225# define NV_MAX LDBL_MAX
20f6aaab 1226/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1227# else
1228# ifdef HUGE_VALL
1229# define NV_MAX HUGE_VALL
1230# else
1231# ifdef HUGE_VAL
1232# define NV_MAX ((NV)HUGE_VAL)
1233# endif
1234# endif
1235# endif
68d4903c 1236# ifdef HAS_SQRTL
68d4903c
JH		 1237# define Perl_cos cosl
1238# define Perl_sin sinl
1239# define Perl_sqrt sqrtl
1240# define Perl_exp expl
1241# define Perl_log logl
1242# define Perl_atan2 atan2l
1243# define Perl_pow powl
1244# define Perl_floor floorl
1245# define Perl_fmod fmodl
1246# endif
a3540c92
JH		 1247/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1248# ifdef HAS_MODFL
1249# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1250/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1251 prototype in <math.h> */
1252# ifndef HAS_MODFL_PROTO
1253long double modfl(long double, long double *);
1254# endif
03476e8e
JH		 1255# else
1256# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1257 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1258# define Perl_modf(x,y) Perl_my_modfl(x,y)
1259# endif
a3540c92
JH		 1260# endif
1261# ifdef HAS_FREXPL
dff3e0b8 1262# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1263# else
1264# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1265 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1266# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1267# endif
a3540c92 1268# endif
38dbb4c5 1269# ifndef Perl_isnan
758a5d79
JH		 1270# ifdef HAS_ISNANL
1271# define Perl_isnan(x) isnanl(x)
1272# endif
1273# endif
1274# ifndef Perl_isinf
1275# ifdef HAS_FINITEL
1276# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1277# endif
1278# endif
65202027 1279#else
2d4389e4 1280# define NV_DIG DBL_DIG
d6c14000
JH		 1281# ifdef DBL_MANT_DIG
1282# define NV_MANT_DIG DBL_MANT_DIG
1283# endif
06fc1729
JH		 1284# ifdef DBL_MIN
1285# define NV_MIN DBL_MIN
1286# endif
1287# ifdef DBL_MAX
1288# define NV_MAX DBL_MAX
1289# endif
1290# ifdef DBL_MIN_10_EXP
1291# define NV_MIN_10_EXP DBL_MIN_10_EXP
1292# endif
1293# ifdef DBL_MAX_10_EXP
1294# define NV_MAX_10_EXP DBL_MAX_10_EXP
1295# endif
1296# ifdef DBL_EPSILON
1297# define NV_EPSILON DBL_EPSILON
1298# endif
205f51d8 1299# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1300# define NV_MAX DBL_MAX
1301# define NV_MIN DBL_MIN
1302# else
1303# ifdef HUGE_VAL
1304# define NV_MAX HUGE_VAL
1305# endif
1306# endif
65202027
DS		 1307# define Perl_cos cos
1308# define Perl_sin sin
1309# define Perl_sqrt sqrt
1310# define Perl_exp exp
1311# define Perl_log log
1312# define Perl_atan2 atan2
1313# define Perl_pow pow
1314# define Perl_floor floor
65202027 1315# define Perl_fmod fmod
a3540c92 1316# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1317# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1318#endif
1319
1320/* rumor has it that Win32 has _fpclass() */
1321
205f51d8
AS		 1322/* SGI has fpclassl... but not with the same result values,
1323 * and it's via a typedef (not via #define), so will need to redo Configure
1324 * to use. Not worth the trouble, IMO, at least until the below is used
1325 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1326 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1327 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1328
758a5d79
JH		 1329#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1330# ifdef I_IEEFP
1331# include <ieeefp.h>
1332# endif
1333# ifdef I_FP
1334# include <fp.h>
1335# endif
1336# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1337# define Perl_fp_class() fpclassl(x)
1338# else
1339# define Perl_fp_class() fpclass(x)
1340# endif
1341# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1342# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1343# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1344# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1345# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1346# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1347# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1348# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1349# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1350# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1351# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1352# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1353# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1354# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1355# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1356#endif
1357
7114a2d2 1358#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1359# include <math.h>
1360# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1361# include <fp_class.h>
1362# endif
1363# define Perl_fp_class(x) fp_class(x)
1364# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1365# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1366# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1367# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1368# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1369# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1370# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1371# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1372# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1373# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1374# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1375# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1376# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1377# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1378# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1379#endif
1380
1381#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1382# include <math.h>
1383# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1384# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1385# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1386# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1387# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1388# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1389#endif
1390
1391#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1392# include <math.h>
1393# ifndef _cplusplus
1394# define Perl_fp_class(x) class(x)
1395# else
1396# define Perl_fp_class(x) _class(x)
1397# endif
1398# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1399# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1400# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1401# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1402# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1403# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1404# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1405# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1406# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1407# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1408# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1409# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1410# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1411# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1412# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1413#endif
1414
1415/* rumor has it that Win32 has _isnan() */
1416
1417#ifndef Perl_isnan
a3540c92 1418# ifdef HAS_ISNAN
758a5d79
JH		 1419# define Perl_isnan(x) isnan((NV)x)
1420# else
1421# ifdef Perl_fp_class_nan
1422# define Perl_isnan(x) Perl_fp_class_nan(x)
1423# else
1424# ifdef HAS_UNORDERED
1425# define Perl_isnan(x) unordered((x), 0.0)
1426# else
1427# define Perl_isnan(x) ((x)!=(x))
1428# endif
1429# endif
1430# endif
1431#endif
1432
ca6c63e1
JH		 1433#ifdef UNDER_CE
1434int isnan(double d);
1435#endif
1436
758a5d79
JH		 1437#ifndef Perl_isinf
1438# ifdef HAS_ISINF
1439# define Perl_isinf(x) isinf((NV)x)
a3540c92 1440# else
758a5d79
JH		 1441# ifdef Perl_fp_class_inf
1442# define Perl_isinf(x) Perl_fp_class_inf(x)
1443# else
1444# define Perl_isinf(x) ((x)==NV_INF)
1445# endif
1446# endif
1447#endif
1448
1449#ifndef Perl_isfinite
1450# ifdef HAS_FINITE
1451# define Perl_isfinite(x) finite((NV)x)
1452# else
1453# ifdef HAS_ISFINITE
1454# define Perl_isfinite(x) isfinite(x)
1455# else
1456# ifdef Perl_fp_class_finite
1457# define Perl_isfinite(x) Perl_fp_class_finite(x)
1458# else
1459# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1460# endif
1461# endif
a3540c92 1462# endif
65202027
DS		 1463#endif
1464
a36244b7
JH		 1465/* The default is to use Perl's own atof() implementation (in numeric.c).
1466 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1467 * it is however best to use the native implementation of atof.
1468 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1469 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1470 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1471 * you may need to be using a different function than atof! */
a36244b7
JH		 1472
1473#ifndef USE_PERL_ATOF
1474# ifndef _UNICOS
1475# define USE_PERL_ATOF
1476# endif
1477#else
1478# if USE_PERL_ATOF == 0
1479# undef USE_PERL_ATOF
1480# endif
1481#endif
1482
1483#ifdef USE_PERL_ATOF
1484# define Perl_atof(s) Perl_my_atof(s)
1485# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1486#else
1487# define Perl_atof(s) (NV)atof(s)
1488# define Perl_atof2(s, n) ((n) = atof(s))
1489#endif
cf2093f6 1490
d460ef45 1491/* Previously these definitions used hardcoded figures.
760ac839
LW		 1492 * It is hoped these formula are more portable, although
1493 * no data one way or another is presently known to me.
1494 * The "PERL_" names are used because these calculated constants
1495 * do not meet the ANSI requirements for LONG_MAX, etc., which
1496 * need to be constants acceptable to #if - kja
1497 * define PERL_LONG_MAX 2147483647L
1498 * define PERL_LONG_MIN (-LONG_MAX - 1)
1499 * define PERL ULONG_MAX 4294967295L
1500 */
1501
1502#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1503# include <limits.h>
760ac839 1504#endif
205f51d8
AS		 1505/* Included values.h above if necessary; still including limits.h down here,
1506 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1507
99abf803 1508/*
1509 * Try to figure out max and min values for the integral types. THE CORRECT
1510 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1511 * following hacks are used if neither limits.h or values.h provide them:
1512 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1513 * for types < int: (unsigned TYPE)~(unsigned)0
1514 * The argument to ~ must be unsigned so that later signed->unsigned
1515 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1516 * and it must not be smaller than int because ~ does integral promotion.
1517 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1518 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1519 * The latter is a hack which happens to work on some machines but
1520 * does *not* catch any random system, or things like integer types
1521 * with NaN if that is possible.
1522 *
1523 * All of the types are explicitly cast to prevent accidental loss of
1524 * numeric range, and in the hope that they will be less likely to confuse
1525 * over-eager optimizers.
1526 *
1527 */
27d4fb96 1528
99abf803 1529#define PERL_UCHAR_MIN ((unsigned char)0)
1530
1531#ifdef UCHAR_MAX
1532# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1533#else
99abf803 1534# ifdef MAXUCHAR
1535# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1536# else
99abf803 1537# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1538# endif
1539#endif
d460ef45 1540
99abf803 1541/*
1542 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1543 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1544 * depending on local options. Until Configure detects this (or at least
1545 * detects whether the "signed" keyword is available) the CHAR ranges
1546 * will not be included. UCHAR functions normally.
1547 * - kja
1548 */
27d4fb96 1549
99abf803 1550#define PERL_USHORT_MIN ((unsigned short)0)
1551
1552#ifdef USHORT_MAX
1553# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1554#else
99abf803 1555# ifdef MAXUSHORT
1556# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1557# else
ef2f54b0
CB		 1558# ifdef USHRT_MAX
1559# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1560# else
1561# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1562# endif
27d4fb96 1563# endif
1564#endif
1565
27d4fb96 1566#ifdef SHORT_MAX
99abf803 1567# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1568#else
1569# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1570# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1571# else
ef2f54b0
CB		 1572# ifdef SHRT_MAX
1573# define PERL_SHORT_MAX ((short)SHRT_MAX)
1574# else
1575# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1576# endif
27d4fb96 1577# endif
1578#endif
1579
1580#ifdef SHORT_MIN
99abf803 1581# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1582#else
1583# ifdef MINSHORT
99abf803 1584# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1585# else
ef2f54b0
CB		 1586# ifdef SHRT_MIN
1587# define PERL_SHORT_MIN ((short)SHRT_MIN)
1588# else
1589# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1590# endif
27d4fb96 1591# endif
1592#endif
1593
99abf803 1594#ifdef UINT_MAX
1595# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1596#else
99abf803 1597# ifdef MAXUINT
1598# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1599# else
99abf803 1600# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1601# endif
1602#endif
1603
99abf803 1604#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1605
1606#ifdef INT_MAX
99abf803 1607# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1608#else
1609# ifdef MAXINT /* Often used in <values.h> */
99abf803 1610# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1611# else
99abf803 1612# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1613# endif
1614#endif
1615
1616#ifdef INT_MIN
99abf803 1617# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1618#else
1619# ifdef MININT
99abf803 1620# define PERL_INT_MIN ((int)MININT)
27d4fb96 1621# else
1622# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1623# endif
1624#endif
1625
99abf803 1626#ifdef ULONG_MAX
1627# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1628#else
99abf803 1629# ifdef MAXULONG
1630# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1631# else
99abf803 1632# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1633# endif
1634#endif
1635
99abf803 1636#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1637
760ac839 1638#ifdef LONG_MAX
99abf803 1639# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1640#else
1641# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1642# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1643# else
99abf803 1644# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1645# endif
1646#endif
1647
1648#ifdef LONG_MIN
99abf803 1649# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1650#else
1651# ifdef MINLONG
99abf803 1652# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1653# else
27d4fb96 1654# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1655# endif
1656#endif
1657
d7d93a81 1658#ifdef UV_IS_QUAD
99abf803 1659
99abf803 1660# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1661# define PERL_UQUAD_MIN ((UV)0)
99abf803 1662# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1663# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1664
79072805
LW		 1665#endif
1666
880b20b6
IZ		 1667struct perl_mstats {
1668 UV *nfree;
1669 UV *ntotal;
1670 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1671 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1672 IV minbucket;
1673 /* Level 1 info */
1674 UV *bucket_mem_size;
1675 UV *bucket_available_size;
1676 UV nbuckets;
1677};
830247a4 1678struct RExC_state_t;
880b20b6 1679
ee0007ab 1680typedef MEM_SIZE STRLEN;
450a55e4 1681
79072805
LW		 1682typedef struct op OP;
1683typedef struct cop COP;
1684typedef struct unop UNOP;
1685typedef struct binop BINOP;
1686typedef struct listop LISTOP;
1687typedef struct logop LOGOP;
79072805
LW		 1688typedef struct pmop PMOP;
1689typedef struct svop SVOP;
7934575e 1690typedef struct padop PADOP;
79072805 1691typedef struct pvop PVOP;
79072805
LW		 1692typedef struct loop LOOP;
1693
93a17b20 1694typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1695
1696/* Amdahl's <ksync.h> has struct sv */
1697/* SGI's <sys/sema.h> has struct sv */
1698#if defined(UTS) || defined(__sgi)
1699# define STRUCT_SV perl_sv
b8d3c5db
JH		 1700#else
1701# define STRUCT_SV sv
1702#endif
1703typedef struct STRUCT_SV SV;
79072805
LW		 1704typedef struct av AV;
1705typedef struct hv HV;
1706typedef struct cv CV;
378cc40b 1707typedef struct regexp REGEXP;
79072805 1708typedef struct gp GP;
0c30d9ec 1709typedef struct gv GV;
8990e307 1710typedef struct io IO;
c09156bb 1711typedef struct context PERL_CONTEXT;
79072805
LW		 1712typedef struct block BLOCK;
1713
1714typedef struct magic MAGIC;
ed6116ce 1715typedef struct xrv XRV;
79072805
LW		 1716typedef struct xpv XPV;
1717typedef struct xpviv XPVIV;
ff68c719 1718typedef struct xpvuv XPVUV;
79072805
LW		 1719typedef struct xpvnv XPVNV;
1720typedef struct xpvmg XPVMG;
1721typedef struct xpvlv XPVLV;
1722typedef struct xpvav XPVAV;
1723typedef struct xpvhv XPVHV;
1724typedef struct xpvgv XPVGV;
1725typedef struct xpvcv XPVCV;
1726typedef struct xpvbm XPVBM;
1727typedef struct xpvfm XPVFM;
8990e307 1728typedef struct xpvio XPVIO;
79072805
LW		 1729typedef struct mgvtbl MGVTBL;
1730typedef union any ANY;
5f7fde29
GS		 1731typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1732typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1733typedef struct clone_params CLONE_PARAMS;
1734
8d063cd8 1735
378cc40b 1736#include "handy.h"
a0d0e21e 1737
6b8eaf93 1738#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1739# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1740# define USE_64_BIT_RAWIO /* implicit */
1741# endif
4564133c
JH		 1742#endif
1743
6b8eaf93
JH		 1744/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1745 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1746 * however, because operating systems like to do that themself. */
1747#ifndef FSEEKSIZE
1748# ifdef HAS_FSEEKO
1749# define FSEEKSIZE LSEEKSIZE
1750# else
1751# define FSEEKSIZE LONGSIZE
d460ef45 1752# endif
6b8eaf93
JH		 1753#endif
1754
1755#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1756# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1757# define USE_64_BIT_STDIO /* implicit */
1758# endif
1759#endif
4564133c 1760
09458382 1761#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1762# ifdef HAS_OFF64_T
1763# undef Off_t
1764# define Off_t off64_t
1765# undef LSEEKSIZE
1766# define LSEEKSIZE 8
5ff3f7a4 1767# endif
d9b3e12d
JH		 1768/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1769 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1770 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1771# if defined(USE_OPEN64)
1772# define open open64
5ff3f7a4 1773# endif
d9b3e12d
JH		 1774# if defined(USE_LSEEK64)
1775# define lseek lseek64
6b8eaf93
JH		 1776# else
1777# if defined(USE_LLSEEK)
1778# define lseek llseek
1779# endif
d9b3e12d
JH		 1780# endif
1781# if defined(USE_STAT64)
1782# define stat stat64
1783# endif
1784# if defined(USE_FSTAT64)
1785# define fstat fstat64
1786# endif
1787# if defined(USE_LSTAT64)
1788# define lstat lstat64
1789# endif
1790# if defined(USE_FLOCK64)
1791# define flock flock64
1792# endif
1793# if defined(USE_LOCKF64)
1794# define lockf lockf64
1795# endif
1796# if defined(USE_FCNTL64)
1797# define fcntl fcntl64
1798# endif
1799# if defined(USE_TRUNCATE64)
1800# define truncate truncate64
1801# endif
1802# if defined(USE_FTRUNCATE64)
1803# define ftruncate ftruncate64
1804# endif
1805#endif
1806
1807#ifdef USE_64_BIT_STDIO
1808# ifdef HAS_FPOS64_T
1809# undef Fpos_t
1810# define Fpos_t fpos64_t
1811# endif
1812/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1813 * will trigger defines like the ones below. Some 64-bit environments,
1814 * however, do not. */
1815# if defined(USE_FOPEN64)
1816# define fopen fopen64
1817# endif
1818# if defined(USE_FSEEK64)
6b8eaf93 1819# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1820# endif
1821# if defined(USE_FTELL64)
6b8eaf93 1822# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1823# endif
1824# if defined(USE_FSETPOS64)
1825# define fsetpos fsetpos64
1826# endif
1827# if defined(USE_FGETPOS64)
1828# define fgetpos fgetpos64
1829# endif
1830# if defined(USE_TMPFILE64)
1831# define tmpfile tmpfile64
1832# endif
1833# if defined(USE_FREOPEN64)
1834# define freopen freopen64
5ff3f7a4
GS		 1835# endif
1836#endif
1837
af8b425d 1838#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1839# include "iperlsys.h"
1840#endif
1841
6f71a643 1842#if defined(__OPEN_VM)
19848b3f
JH		 1843# include "vmesa/vmesaish.h"
1844# define ISHISH "vmesa"
6f71a643
JH		 1845#endif
1846
748a9306 1847#ifdef DOSISH
19848b3f
JH		 1848# if defined(OS2)
1849# include "os2ish.h"
1850# else
1851# include "dosish.h"
1852# endif
1853# define ISHISH "dos"
1854#endif
1855
1856#if defined(VMS)
748a9306 1857# include "vmsish.h"
96e176bf 1858# include "embed.h"
19848b3f
JH		 1859# define ISHISH "vms"
1860#endif
1861
1862#if defined(PLAN9)
1863# include "./plan9/plan9ish.h"
1864# define ISHISH "plan9"
1865#endif
1866
1867#if defined(MPE)
1868# include "mpeix/mpeixish.h"
1869# define ISHISH "mpeix"
1870#endif
1871
1872#if defined(__VOS__)
196918b0
PG		 1873# ifdef __GNUC__
1874# include "./vos/vosish.h"
1875# else
1876# include "vos/vosish.h"
1877# endif
19848b3f
JH		 1878# define ISHISH "vos"
1879#endif
1880
1881#if defined(EPOC)
1882# include "epocish.h"
1883# define ISHISH "epoc"
1884#endif
1885
1886#if defined(MACOS_TRADITIONAL)
1887# include "macos/macish.h"
1888# ifndef NO_ENVIRON_ARRAY
1889# define NO_ENVIRON_ARRAY
0c30d9ec 1890# endif
19848b3f
JH		 1891# define ISHISH "macos classic"
1892#endif
1893
efca5cc6
JH		 1894#if defined(__BEOS__)
1895# include "beos/beosish.h"
1896# define ISHISH "beos"
1897#endif
1898
19848b3f
JH		 1899#ifndef ISHISH
1900# include "unixish.h"
1901# define ISHISH "unix"
13b6e58c
JH		 1902#endif
1903
1904#ifndef NO_ENVIRON_ARRAY
1905# define USE_ENVIRON_ARRAY
1906#endif
32f822de 1907
c77b533b
JH		 1908/*
1909 * initialise to avoid floating-point exceptions from overflow, etc
1910 */
1911#ifndef PERL_FPU_INIT
1912# ifdef HAS_FPSETMASK
1913# if HAS_FLOATINGPOINT_H
1914# include <floatingpoint.h>
1915# endif
1916# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1917# else
7014c407
JH		 1918# if defined(SIGFPE) && defined(SIG_IGN)
1919# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1920# else
1921# define PERL_FPU_INIT
1922# endif
c77b533b
JH		 1923# endif
1924#endif
1925
ed344e4f
IZ		 1926#ifndef PERL_SYS_INIT3
1927# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1928#endif
1929
be708cc0
JH		 1930#ifndef PERL_WRITE_MSG_TO_CONSOLE
1931# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1932#endif
1933
0f31cffe
GS		 1934#ifndef MAXPATHLEN
1935# ifdef PATH_MAX
b990c8b2
JH		 1936# ifdef _POSIX_PATH_MAX
1937# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1938/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1939 * included the null byte or not. Later amendments of POSIX,
1940 * XPG4, the Austin Group, and the Single UNIX Specification
1941 * all explicitly include the null byte in the PATH_MAX.
1942 * Ditto for _POSIX_PATH_MAX. */
1943# define MAXPATHLEN PATH_MAX
b990c8b2 1944# else
09448d78 1945# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1946# endif
1947# else
1948# define MAXPATHLEN (PATH_MAX+1)
1949# endif
0f31cffe 1950# else
b990c8b2 1951# ifdef _POSIX_PATH_MAX
09448d78 1952# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1953# else
1954# define MAXPATHLEN 1024 /* Err on the large side. */
1955# endif
0f31cffe
GS		 1956# endif
1957#endif
1958
3db8f154 1959/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1960 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1961 * this results in many functions being undeclared which bothers C++
1962 * May make sense to have threads after "*ish.h" anyway
1963 */
1964
3db8f154 1965#if defined(USE_ITHREADS)
2986a63f
JH		 1966# ifdef NETWARE
1967# include <nw5thread.h>
1968# else
32f822de
GS		 1969# ifdef FAKE_THREADS
1970# include "fakethr.h"
1971# else
1972# ifdef WIN32
1973# include <win32thread.h>
1974# else
dd96f567
IZ		 1975# ifdef OS2
1976# include "os2thread.h"
1977# else
7f3d1cf1 1978# ifdef I_MACH_CTHREADS
bdd66968 1979# include <mach/cthreads.h>
8f1f23e8 1980# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1981# define MUTEX_INIT_CALLS_MALLOC
1982# endif
7f3d1cf1
BH		 1983typedef cthread_t perl_os_thread;
1984typedef mutex_t perl_mutex;
1985typedef condition_t perl_cond;
1986typedef void * perl_key;
1987# else /* Posix threads */
1f5ae88c
JH		 1988# ifdef I_PTHREAD
1989# include <pthread.h>
1990# endif
7f3d1cf1
BH		 1991typedef pthread_t perl_os_thread;
1992typedef pthread_mutex_t perl_mutex;
1993typedef pthread_cond_t perl_cond;
1994typedef pthread_key_t perl_key;
1995# endif /* I_MACH_CTHREADS */
dd96f567 1996# endif /* OS2 */
32f822de
GS		 1997# endif /* WIN32 */
1998# endif /* FAKE_THREADS */
2986a63f 1999#endif /* NETWARE */
3db8f154 2000#endif /* USE_ITHREADS */
c5be433b 2001
66a93824 2002#if defined(WIN32)
1feb2720 2003# include "win32.h"
c5be433b
GS		 2004#endif
2005
2986a63f
JH		 2006#ifdef NETWARE
2007# include "netware.h"
2008#endif
2009
68dc0745 2010#ifdef VMS
6b88bc9c 2011# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2012# define STATUS_NATIVE_EXPORT \
d98f61e7 2013 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2014# define STATUS_NATIVE_SET(n) \
2015 STMT_START { \
6b88bc9c
GS		 2016 PL_statusvalue_vms = (n); \
2017 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2018 PL_statusvalue = -1; \
6b88bc9c 2019 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2020 PL_statusvalue = 0; \
6b88bc9c
GS		 2021 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2022 PL_statusvalue = 1 << 8; \
68dc0745 2023 else \
6b88bc9c 2024 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2025 } STMT_END
3280af22 2026# define STATUS_POSIX PL_statusvalue
68dc0745 2027# ifdef VMSISH_STATUS
2028# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2029# else
2030# define STATUS_CURRENT STATUS_POSIX
2031# endif
2032# define STATUS_POSIX_SET(n) \
2033 STMT_START { \
3280af22
NIS		 2034 PL_statusvalue = (n); \
2035 if (PL_statusvalue != -1) { \
2036 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2037 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2038 } \
6b88bc9c 2039 else PL_statusvalue_vms = -1; \
68dc0745 2040 } STMT_END
6b88bc9c
GS		 2041# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2042# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2043#else
2044# define STATUS_NATIVE STATUS_POSIX
2045# define STATUS_NATIVE_EXPORT STATUS_POSIX
2046# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2047# define STATUS_POSIX PL_statusvalue
68dc0745 2048# define STATUS_POSIX_SET(n) \
2049 STMT_START { \
3280af22
NIS		 2050 PL_statusvalue = (n); \
2051 if (PL_statusvalue != -1) \
2052 PL_statusvalue &= 0xFFFF; \
68dc0745 2053 } STMT_END
2054# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2055# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2056# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2057#endif
2058
cc3604b1
GS		 2059/* flags in PL_exit_flags for nature of exit() */
2060#define PERL_EXIT_EXPECTED 0x01
31d77e54 2061#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2062
0b94c7bb 2063#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2064# define MEMBER_TO_FPTR(name) name
2065#endif
2066
2067/* format to use for version numbers in file/directory names */
273cf8d1 2068/* XXX move to Configure? */
a7cb1f99 2069#ifndef PERL_FS_VER_FMT
273cf8d1 2070# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2071#endif
2072
45bc9206 2073/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2074 * performance issue, so we allow people to disable it. Also, if
2075 * we are using stdio, there are broken implementations of fflush(NULL)
2076 * out there, Solaris being the most prominent.
45bc9206
GS		 2077 */
2078#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2079# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2080# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2081# else
2082# ifdef FFLUSH_ALL
2083# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2084# else
c5be433b 2085# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2086# endif
66fe083f 2087# endif
45bc9206
GS		 2088#endif
2089
7766f137
GS		 2090#ifndef PERL_WAIT_FOR_CHILDREN
2091# define PERL_WAIT_FOR_CHILDREN NOOP
2092#endif
2093
ba869deb 2094/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2095#ifndef PERL_SET_INTERP
2096# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2097#endif
2098
2099#ifndef PERL_GET_INTERP
2100# define PERL_GET_INTERP (PL_curinterp)
2101#endif
2102
54aff467 2103#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2104# ifdef MULTIPLICITY
ba869deb 2105# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2106# endif
ba869deb
GS		 2107# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2108#endif
2109
894356b3
GS		 2110#ifndef SVf
2111# ifdef CHECK_FORMAT
2112# define SVf "p"
2113# else
2114# define SVf "_"
d460ef45 2115# endif
894356b3
GS		 2116#endif
2117
d2560b70
RB		 2118#ifndef UVf
2119# ifdef CHECK_FORMAT
2120# define UVf UVuf
2121# else
2122# define UVf "Vu"
d460ef45 2123# endif
d2560b70
RB		 2124#endif
2125
2126#ifndef VDf
2127# ifdef CHECK_FORMAT
2128# define VDf "p"
2129# else
2130# define VDf "vd"
d460ef45 2131# endif
d2560b70
RB		 2132#endif
2133
b3fe4827
RB		 2134#ifndef Nullformat
2135# ifdef CHECK_FORMAT
2136# define Nullformat "%s",""
2137# else
2138# define Nullformat Nullch
2139# endif
2140#endif
2141
3fc1aec6 2142/* Some unistd.h's give a prototype for pause() even though
2143 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2144 below to be rejected by the compiler. Sigh.
3fc1aec6 2145*/
2146#ifdef HAS_PAUSE
2147#define Pause pause
2148#else
2149#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2150#endif
2151
2152#ifndef IOCPARM_LEN
2153# ifdef IOCPARM_MASK
2154 /* on BSDish systes we're safe */
2155# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2156# else
2157 /* otherwise guess at what's safe */
2158# define IOCPARM_LEN(x) 256
2159# endif
a0d0e21e
LW		 2160#endif
2161
1761cee5 2162#if defined(__CYGWIN__)
521e0776
GS		 2163/* USEMYBINMODE
2164 * This symbol, if defined, indicates that the program should
16fe6d59 2165 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2166 * that a file is in "binary" mode -- that is, that no translation
2167 * of bytes occurs on read or write operations.
2168 */
2169# define USEMYBINMODE / **/
77a40698 2170# include <io.h> /* for setmode() prototype */
16fe6d59 2171# define my_binmode(fp, iotype, mode) \
77a40698 2172 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2173#endif
2174
88d10794
JH		 2175#ifdef __CYGWIN__
2176void init_os_extras(void);
2177#endif
2178
cea2e8a9
GS		 2179#ifdef UNION_ANY_DEFINITION
2180UNION_ANY_DEFINITION;
2181#else
2182union any {
2183 void* any_ptr;
2184 I32 any_i32;
2185 IV any_iv;
2186 long any_long;
9febdf04 2187 bool any_bool;
c76ac1ee 2188 void (*any_dptr) (void*);
acfe0abc 2189 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2190};
2191#endif
2192
acfe0abc 2193typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2194
2195#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2196#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2197#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2198
c5078cac
JH		 2199#if defined(_AIX) && !defined(_AIX43)
2200#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2201/* We cannot include <crypt.h> to get the struct crypt_data
2202 * because of setkey prototype problems when threading */
2203typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2204 /* From OSF, Not needed in AIX
2205 char C[28], D[28];
2206 */
2207 char E[48];
2208 char KS[16][48];
2209 char block[66];
2210 char iobuf[16];
2211} CRYPTD;
2212#endif /* threading */
2213#endif /* AIX */
2214
af8b425d 2215#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2216# include "iperlsys.h"
2217#endif
378cc40b 2218#include "regexp.h"
79072805 2219#include "sv.h"
378cc40b 2220#include "util.h"
8d063cd8 2221#include "form.h"
79072805 2222#include "gv.h"
dd2155a4 2223#include "pad.h"
79072805 2224#include "cv.h"
abdd5c84 2225#include "opnames.h"
79072805
LW		 2226#include "op.h"
2227#include "cop.h"
2228#include "av.h"
2229#include "hv.h"
2230#include "mg.h"
2231#include "scope.h"
4438c4b7 2232#include "warnings.h"
a0ed51b3 2233#include "utf8.h"
8d063cd8 2234
7fae4e64
GS		 2235/* Current curly descriptor */
2236typedef struct curcur CURCUR;
2237struct curcur {
2238 int parenfloor; /* how far back to strip paren data */
2239 int cur; /* how many instances of scan we've matched */
2240 int min; /* the minimal number of scans to match */
2241 int max; /* the maximal number of scans to match */
2242 int minmod; /* whether to work our way up or down */
2243 regnode * scan; /* the thing to match */
2244 regnode * next; /* what has to match after it */
2245 char * lastloc; /* where we started matching this scan */
2246 CURCUR * oldcc; /* current curly before we started this one */
2247};
2248
2249typedef struct _sublex_info SUBLEXINFO;
2250struct _sublex_info {
2251 I32 super_state; /* lexer state to save */
2252 I32 sub_inwhat; /* "lex_inwhat" to use */
2253 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2254 char *super_bufptr; /* PL_bufptr that was */
2255 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2256};
2257
455ece5e 2258typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2259
2c2d71f5 2260struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2261struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2262
2263typedef I32 CHECKPOINT;
76e3520e 2264
5f7fde29
GS		 2265struct ptr_tbl_ent {
2266 struct ptr_tbl_ent* next;
2267 void* oldval;
2268 void* newval;
d18c6117
GS		 2269};
2270
5f7fde29
GS		 2271struct ptr_tbl {
2272 struct ptr_tbl_ent** tbl_ary;
2273 UV tbl_max;
2274 UV tbl_items;
d18c6117
GS		 2275};
2276
450a55e4 2277#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2278# define I286
2279#endif
2280
fe14fcc3
LW		 2281#if defined(htonl) && !defined(HAS_HTONL)
2282#define HAS_HTONL
ae986130 2283#endif
fe14fcc3
LW		 2284#if defined(htons) && !defined(HAS_HTONS)
2285#define HAS_HTONS
ae986130 2286#endif
fe14fcc3
LW		 2287#if defined(ntohl) && !defined(HAS_NTOHL)
2288#define HAS_NTOHL
ae986130 2289#endif
fe14fcc3
LW		 2290#if defined(ntohs) && !defined(HAS_NTOHS)
2291#define HAS_NTOHS
ae986130 2292#endif
fe14fcc3 2293#ifndef HAS_HTONL
d9d8d8de 2294#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2295#define HAS_HTONS
2296#define HAS_HTONL
2297#define HAS_NTOHS
2298#define HAS_NTOHL
a687059c
LW		 2299#define MYSWAP
2300#define htons my_swap
2301#define htonl my_htonl
2302#define ntohs my_swap
2303#define ntohl my_ntohl
2304#endif
2305#else
d9d8d8de 2306#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2307#undef HAS_HTONS
2308#undef HAS_HTONL
2309#undef HAS_NTOHS
2310#undef HAS_NTOHL
a687059c
LW		 2311#endif
2312#endif
2313
988174c1
LW		 2314/*
2315 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2316 * -DWS
2317 */
2318#if BYTEORDER != 0x1234
2319# define HAS_VTOHL
2320# define HAS_VTOHS
2321# define HAS_HTOVL
2322# define HAS_HTOVS
c67712b2 2323# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2324# define vtohl(x) ((((x)&0xFF)<<24) \
2325 +(((x)>>24)&0xFF) \
2326 +(((x)&0x0000FF00)<<8) \
2327 +(((x)&0x00FF0000)>>8) )
2328# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2329# define htovl(x) vtohl(x)
2330# define htovs(x) vtohs(x)
2331# endif
2332 /* otherwise default to functions in util.c */
2a8c3029 2333#ifndef htovs
c623ac67
GS		 2334short htovs(short n);
2335short vtohs(short n);
2336long htovl(long n);
2337long vtohl(long n);
988174c1 2338#endif
2a8c3029 2339#endif
988174c1 2340
3bb7c1b4
JH		 2341/* *MAX Plus 1. A floating point value.
2342 Hopefully expressed in a way that dodgy floating point can't mess up.
2343 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2344 is added to it
2345 May find that some broken compiler will want the value cast to I32.
2346 [after the shift, as signed >> may not be as secure as unsigned >>]
2347*/
2348#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2349#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2350/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2351 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2352 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2353*/
2354#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2355
3bb7c1b4
JH		 2356#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2357#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2358#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2359
2360/* This may look like unnecessary jumping through hoops, but converting
2361 out of range floating point values to integers *is* undefined behaviour,
2362 and it is starting to bite.
2363*/
2364#ifndef CAST_INLINE
65202027 2365#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2366#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2367#define I_V(what) (cast_iv((NV)(what)))
2368#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2369#else
2370#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2371 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2372 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2373#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2374 : ((n) < U32_MAX_P1 ? (U32) (n) \
2375 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2376#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2377 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2378 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2379#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2380 : ((n) < UV_MAX_P1 ? (UV) (n) \
2381 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2382#endif
2383
2384#define U_S(what) ((U16)U_32(what))
2385#define U_I(what) ((unsigned int)U_32(what))
2386#define U_L(what) U_32(what)
ed6116ce 2387
2d4389e4
JH		 2388/* These do not care about the fractional part, only about the range. */
2389#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2390#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2391
25da4f38
IZ		 2392/* Used with UV/IV arguments: */
2393 /* XXXX: need to speed it up */
2394#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2395#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2396
352d5a3a
LW		 2397#ifndef MAXSYSFD
2398# define MAXSYSFD 2
2399#endif
ee0007ab 2400
79072805 2401#ifndef __cplusplus
e1caacb4 2402#ifndef UNDER_CE
20ce7b12
GS		 2403Uid_t getuid (void);
2404Uid_t geteuid (void);
2405Gid_t getgid (void);
2406Gid_t getegid (void);
79072805 2407#endif
e1caacb4 2408#endif
8d063cd8 2409
0c30d9ec 2410#ifndef Perl_debug_log
bf49b057
GS		 2411# define Perl_debug_log PerlIO_stderr()
2412#endif
2413
2414#ifndef Perl_error_log
2415# define Perl_error_log (PL_stderrgv \
6b78add2 2416 && isGV(PL_stderrgv) \
01bb7c6d 2417 && GvIOp(PL_stderrgv) \
42de951c 2418 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2419 ? IoOFP(GvIOp(PL_stderrgv)) \
2420 : PerlIO_stderr())
0c30d9ec 2421#endif
3967c732 2422
aea4f609
DM		 2423
2424#define DEBUG_p_FLAG 0x00000001 /* 1 */
2425#define DEBUG_s_FLAG 0x00000002 /* 2 */
2426#define DEBUG_l_FLAG 0x00000004 /* 4 */
2427#define DEBUG_t_FLAG 0x00000008 /* 8 */
2428#define DEBUG_o_FLAG 0x00000010 /* 16 */
2429#define DEBUG_c_FLAG 0x00000020 /* 32 */
2430#define DEBUG_P_FLAG 0x00000040 /* 64 */
2431#define DEBUG_m_FLAG 0x00000080 /* 128 */
2432#define DEBUG_f_FLAG 0x00000100 /* 256 */
2433#define DEBUG_r_FLAG 0x00000200 /* 512 */
2434#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2435#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2436#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2437#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2438#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2439#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2440#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2441#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2442#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2443#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2444#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2445#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM		 2446
2447#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2448#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2449 that something was done? */
aea4f609 2450
bd16a5f0
IZ		 2451# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2452# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2453# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2454# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2455# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2456# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2457# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2458# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2459# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2460# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2461# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2462# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2463# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2464# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2465# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2466# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2467# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2468# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2469# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2470# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2471# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2472# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2473
3967c732 2474#ifdef DEBUGGING
aea4f609
DM		 2475
2476# undef YYDEBUG
2477# define YYDEBUG 1
2478
bd16a5f0
IZ		 2479# define DEBUG_p_TEST DEBUG_p_TEST_
2480# define DEBUG_s_TEST DEBUG_s_TEST_
2481# define DEBUG_l_TEST DEBUG_l_TEST_
2482# define DEBUG_t_TEST DEBUG_t_TEST_
2483# define DEBUG_o_TEST DEBUG_o_TEST_
2484# define DEBUG_c_TEST DEBUG_c_TEST_
2485# define DEBUG_P_TEST DEBUG_P_TEST_
2486# define DEBUG_m_TEST DEBUG_m_TEST_
2487# define DEBUG_f_TEST DEBUG_f_TEST_
2488# define DEBUG_r_TEST DEBUG_r_TEST_
2489# define DEBUG_x_TEST DEBUG_x_TEST_
2490# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2491# define DEBUG_H_TEST DEBUG_H_TEST_
2492# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2493# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2494# define DEBUG_D_TEST DEBUG_D_TEST_
2495# define DEBUG_S_TEST DEBUG_S_TEST_
2496# define DEBUG_T_TEST DEBUG_T_TEST_
2497# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2498# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2499# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2500# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM		 2501
2502# define DEB(a) a
2503# define DEBUG(a) if (PL_debug) a
2504# define DEBUG_p(a) if (DEBUG_p_TEST) a
2505# define DEBUG_s(a) if (DEBUG_s_TEST) a
2506# define DEBUG_l(a) if (DEBUG_l_TEST) a
2507# define DEBUG_t(a) if (DEBUG_t_TEST) a
2508# define DEBUG_o(a) if (DEBUG_o_TEST) a
2509# define DEBUG_c(a) if (DEBUG_c_TEST) a
2510# define DEBUG_P(a) if (DEBUG_P_TEST) a
2511
969058bb
VK		 2512 /* Temporarily turn off memory debugging in case the a
2513 * does memory allocation, either directly or indirectly. */
acfe0abc 2514# define DEBUG_m(a) \
0b250b9e 2515 STMT_START { \
aea4f609 2516 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2517 } STMT_END
aea4f609 2518
5f80b19c
AMS		 2519# define DEBUG__(t, a) \
2520 STMT_START { \
2521 if (t) STMT_START {a;} STMT_END; \
2522 } STMT_END
2523
2524# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2525# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2526# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2527# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2528# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2529# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2530# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2531# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2532
3db8f154 2533# define DEBUG_S(a)
aea4f609 2534
5f80b19c
AMS		 2535# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2536# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2537# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2538# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2539
2540#else /* DEBUGGING */
2541
2542# define DEBUG_p_TEST (0)
2543# define DEBUG_s_TEST (0)
2544# define DEBUG_l_TEST (0)
2545# define DEBUG_t_TEST (0)
2546# define DEBUG_o_TEST (0)
2547# define DEBUG_c_TEST (0)
2548# define DEBUG_P_TEST (0)
2549# define DEBUG_m_TEST (0)
2550# define DEBUG_f_TEST (0)
2551# define DEBUG_r_TEST (0)
2552# define DEBUG_x_TEST (0)
2553# define DEBUG_u_TEST (0)
aea4f609
DM		 2554# define DEBUG_H_TEST (0)
2555# define DEBUG_X_TEST (0)
dd2155a4 2556# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2557# define DEBUG_D_TEST (0)
2558# define DEBUG_S_TEST (0)
2559# define DEBUG_T_TEST (0)
04932ac8 2560# define DEBUG_R_TEST (0)
1045810a 2561# define DEBUG_J_TEST (0)
d6721266 2562# define DEBUG_v_TEST (0)
46187eeb 2563# define DEBUG_C_TEST (0)
aea4f609
DM		 2564
2565# define DEB(a)
2566# define DEBUG(a)
2567# define DEBUG_p(a)
2568# define DEBUG_s(a)
2569# define DEBUG_l(a)
2570# define DEBUG_t(a)
2571# define DEBUG_o(a)
2572# define DEBUG_c(a)
2573# define DEBUG_P(a)
2574# define DEBUG_m(a)
2575# define DEBUG_f(a)
2576# define DEBUG_r(a)
2577# define DEBUG_x(a)
2578# define DEBUG_u(a)
aea4f609
DM		 2579# define DEBUG_H(a)
2580# define DEBUG_X(a)
dd2155a4 2581# define DEBUG_Xv(a)
aea4f609
DM		 2582# define DEBUG_D(a)
2583# define DEBUG_S(a)
2584# define DEBUG_T(a)
04932ac8 2585# define DEBUG_R(a)
d6721266 2586# define DEBUG_v(a)
46187eeb 2587# define DEBUG_C(a)
aea4f609
DM		 2588#endif /* DEBUGGING */
2589
2590
d1be9408 2591/* These constants should be used in preference to raw characters
14befaf4
DM		 2592 * when using magic. Note that some perl guts still assume
2593 * certain character properties of these constants, namely that
2594 * isUPPER() and toLOWER() may do useful mappings.
2595 *
2596 * Update the magic_names table in dump.c when adding/amending these
2597 */
2598
2599#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2600#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2601#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2602#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2603#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2604#define PERL_MAGIC_regdata 'D' /* Regex match position data
2605 (@+ and @- vars) */
2606#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2607#define PERL_MAGIC_env 'E' /* %ENV hash */
2608#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2609#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2610#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2611#define PERL_MAGIC_isa 'I' /* @ISA array */
2612#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2613#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2614#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2615#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2616#define PERL_MAGIC_mutex 'm' /* for lock op */
2617#define PERL_MAGIC_shared 'N' /* Shared between threads */
2618#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2619#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2620#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2621#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2622#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2623#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2624#define PERL_MAGIC_sig 'S' /* %SIG hash */
2625#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2626#define PERL_MAGIC_taint 't' /* Taintedness */
2627#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2628#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2629#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2630#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2631#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2632#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2633#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2634 smart parameter vivification */
2635#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2636#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2637#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2638#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2639#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2640
2641
fe14fcc3 2642#define YYMAXDEPTH 300
8d063cd8 2643
a6e633de 2644#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2645#ifdef DEBUGGING
2646#define assert(what) DEB( { \
2647 if (!(what)) { \
2648 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2649 __FILE__, __LINE__); \
2650 PerlProc_exit(1); \
2651 }})
2652#else
79072805
LW		 2653#define assert(what) DEB( { \
2654 if (!(what)) { \
cea2e8a9 2655 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2656 __FILE__, __LINE__); \
cea2e8a9 2657 PerlProc_exit(1); \
79072805 2658 }})
a6e633de 2659#endif
a446a88f 2660#endif
8d063cd8 2661
450a55e4 2662struct ufuncs {
24f81a43
DM		 2663 I32 (*uf_val)(pTHX_ IV, SV*);
2664 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2665 IV uf_index;
450a55e4
LW		 2666};
2667
14befaf4 2668/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2669 * XS code wanting to be backward compatible can do something
2670 * like the following:
c745e42c 2671
24f81a43 2672#ifndef PERL_MG_UFUNC
24f81a43
DM		 2673#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2674#endif
2675
2676static PERL_MG_UFUNC(foo_get, index, val)
2677{
2678 sv_setsv(val, ...);
2679 return TRUE;
2680}
2681
2682-- Doug MacEachern
2683
2684*/
2685
fc9c74e6 2686#ifndef PERL_MG_UFUNC
24f81a43 2687#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2688#endif
24f81a43 2689
fe14fcc3 2690/* Fix these up for __STDC__ */
68dc0745 2691#ifndef DONT_DECLARE_STD
20ce7b12 2692char *mktemp (char*);
37bd1396 2693#ifndef atof
20ce7b12 2694double atof (const char*);
a0d0e21e 2695#endif
37bd1396 2696#endif
79072805 2697
352d5a3a 2698#ifndef STANDARD_C
fe14fcc3 2699/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2700Time_t time();
8d063cd8 2701struct tm *gmtime(), *localtime();
092bebab 2702#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2703char *(strchr)(), *(strrchr)();
2704char *(strcpy)(), *(strcat)();
2705#else
93a17b20 2706char *strchr(), *strrchr();
378cc40b 2707char *strcpy(), *strcat();
9d116dd7 2708#endif
352d5a3a 2709#endif /* ! STANDARD_C */
8d063cd8 2710
79072805
LW		 2711
2712#ifdef I_MATH
2713# include <math.h>
2714#else
32f822de 2715START_EXTERN_C
20ce7b12
GS		 2716 double exp (double);
2717 double log (double);
2718 double log10 (double);
2719 double sqrt (double);
2720 double frexp (double,int*);
2721 double ldexp (double,int);
2722 double modf (double,double*);
2723 double sin (double);
2724 double cos (double);
2725 double atan2 (double,double);
2726 double pow (double,double);
32f822de 2727END_EXTERN_C
79072805
LW		 2728#endif
2729
aa8b85de
JH		 2730#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2731# define NV_INF LDBL_INFINITY
2732#endif
2733#if !defined(NV_INF) && defined(DBL_INFINITY)
2734# define NV_INF (NV)DBL_INFINITY
2735#endif
2736#if !defined(NV_INF) && defined(INFINITY)
2737# define NV_INF (NV)INFINITY
2738#endif
2739#if !defined(NV_INF) && defined(INF)
2740# define NV_INF (NV)INF
2741#endif
2742#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2743# define NV_INF (NV)HUGE_VALL
2744#endif
2745#if !defined(NV_INF) && defined(HUGE_VAL)
2746# define NV_INF (NV)HUGE_VAL
2747#endif
2748
2749#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2750# if !defined(NV_NAN) && defined(LDBL_NAN)
2751# define NV_NAN LDBL_NAN
2752# endif
2753# if !defined(NV_NAN) && defined(LDBL_QNAN)
2754# define NV_NAN LDBL_QNAN
2755# endif
2756# if !defined(NV_NAN) && defined(LDBL_SNAN)
2757# define NV_NAN LDBL_SNAN
2758# endif
2759#endif
2760#if !defined(NV_NAN) && defined(DBL_NAN)
2761# define NV_NAN (NV)DBL_NAN
2762#endif
2763#if !defined(NV_NAN) && defined(DBL_QNAN)
2764# define NV_NAN (NV)DBL_QNAN
2765#endif
2766#if !defined(NV_NAN) && defined(DBL_SNAN)
2767# define NV_NAN (NV)DBL_SNAN
2768#endif
2769#if !defined(NV_NAN) && defined(QNAN)
2770# define NV_NAN (NV)QNAN
2771#endif
2772#if !defined(NV_NAN) && defined(SNAN)
2773# define NV_NAN (NV)SNAN
2774#endif
2775#if !defined(NV_NAN) && defined(NAN)
2776# define NV_NAN (NV)NAN
2777#endif
2778
a0d0e21e 2779#ifndef __cplusplus
8f1f23e8 2780# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2781char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2782# else
fd8cd3a3 2783# if !defined(WIN32) && !defined(VMS)
10bc17b6 2784#ifndef crypt
20ce7b12 2785char *crypt (const char*, const char*);
10bc17b6 2786#endif
5014db98 2787# endif /* !WIN32 */
8f1f23e8 2788# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2789# ifndef DONT_DECLARE_STD
2790# ifndef getenv
20ce7b12 2791char *getenv (const char*);
26618a56 2792# endif /* !getenv */
28ca6303 2793# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2794# ifdef _FILE_OFFSET_BITS
28ca6303 2795# if _FILE_OFFSET_BITS == 64
20ce7b12 2796Off_t lseek (int,Off_t,int);
0fc67700
JH		 2797# endif
2798# endif
bf0c440f 2799# endif
26618a56 2800# endif /* !DONT_DECLARE_STD */
10bc17b6 2801#ifndef getlogin
20ce7b12 2802char *getlogin (void);
10bc17b6 2803#endif
26618a56 2804#endif /* !__cplusplus */
79072805 2805
16d20bd9 2806#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2807#define UNLINK unlnk
20ce7b12 2808I32 unlnk (char*);
8d063cd8 2809#else
80252599 2810#define UNLINK PerlLIO_unlink
8d063cd8 2811#endif
a687059c 2812
fa0a29af
JH		 2813/* some versions of glibc are missing the setresuid() proto */
2814#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2815int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2816#endif
fa0a29af
JH		 2817/* some versions of glibc are missing the setresgid() proto */
2818#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2819int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2820#endif
2821
fe14fcc3 2822#ifndef HAS_SETREUID
85e6fe83
LW		 2823# ifdef HAS_SETRESUID
2824# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2825# define HAS_SETREUID
2826# endif
a687059c 2827#endif
fe14fcc3 2828#ifndef HAS_SETREGID
85e6fe83
LW		 2829# ifdef HAS_SETRESGID
2830# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2831# define HAS_SETREGID
2832# endif
a687059c 2833#endif
ee0007ab 2834
d543acb6 2835/* Sighandler_t defined in iperlsys.h */
ff68c719 2836
2837#ifdef HAS_SIGACTION
2838typedef struct sigaction Sigsave_t;
2839#else
2840typedef Sighandler_t Sigsave_t;
2841#endif
2842
ee0007ab
LW		 2843#define SCAN_DEF 0
2844#define SCAN_TR 1
2845#define SCAN_REPL 2
79072805
LW		 2846
2847#ifdef DEBUGGING
4633a7c4 2848# ifndef register
a0d0e21e
LW		 2849# define register
2850# endif
cea2e8a9 2851# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2852#else
cea2e8a9 2853# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2854#endif
2855
18f739ee 2856#ifdef MYMALLOC
772fe5b3 2857# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2858# define MALLOC_INIT \
2859 STMT_START { \
2860 PL_malloc_mutex = NULL; \
2861 MUTEX_INIT(&PL_malloc_mutex); \
2862 } STMT_END
2863# define MALLOC_TERM \
2864 STMT_START { \
2865 perl_mutex tmp = PL_malloc_mutex; \
2866 PL_malloc_mutex = NULL; \
2867 MUTEX_DESTROY(&tmp); \
2868 } STMT_END
2869# else
2870# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2871# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2872# endif
18f739ee
IZ		 2873#else
2874# define MALLOC_INIT
2875# define MALLOC_TERM
2876#endif
2877
b6d9d515 2878
0cb96387 2879typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2880typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2881typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2882typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2883
940cb80d 2884/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2885#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2886
8f1f23e8
W		 2887/* NeXT has problems with crt0.o globals */
2888#if defined(__DYNAMIC__) && \
2889 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2890# if defined(NeXT) || defined(__NeXT)
2891# include <mach-o/dyld.h>
2892# define environ (*environ_pointer)
0c30d9ec 2893EXT char *** environ_pointer;
8f1f23e8 2894# else
82cabb9e 2895# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2896# include <crt_externs.h> /* for the env array */
2897# define environ (*_NSGetEnviron())
2898# endif
0c30d9ec 2899# endif
8f1f23e8
W		 2900#else
2901 /* VMS and some other platforms don't use the environ array */
13b6e58c 2902# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2903# if !defined(DONT_DECLARE_STD) || \
2904 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2905 defined(__sgi) || \
d460ef45 2906 defined(__DGUX)
8f1f23e8 2907extern char ** environ; /* environment variables supplied via exec */
a6c40364 2908# endif
8f1f23e8
W		 2909# endif
2910#endif
79072805 2911
73c4f7a1
GS		 2912START_EXTERN_C
2913
79072805 2914/* handy constants */
22c35a8c 2915EXTCONST char PL_warn_uninit[]
b89fed5f 2916 INIT("Use of uninitialized value%s%s");
22c35a8c 2917EXTCONST char PL_warn_nosemi[]
463ee0b2 2918 INIT("Semicolon seems to be missing");
22c35a8c 2919EXTCONST char PL_warn_reserved[]
463ee0b2 2920 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2921EXTCONST char PL_warn_nl[]
93a17b20 2922 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2923EXTCONST char PL_no_wrongref[]
a0d0e21e 2924 INIT("Can't use %s ref as %s ref");
22c35a8c 2925EXTCONST char PL_no_symref[]
748a9306 2926 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2927EXTCONST char PL_no_usym[]
8990e307 2928 INIT("Can't use an undefined value as %s reference");
22c35a8c 2929EXTCONST char PL_no_aelem[]
93a17b20 2930 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2931EXTCONST char PL_no_helem[]
93a17b20 2932 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2933EXTCONST char PL_no_modify[]
93a17b20 2934 INIT("Modification of a read-only value attempted");
22c35a8c 2935EXTCONST char PL_no_mem[]
93a17b20 2936 INIT("Out of memory!\n");
22c35a8c 2937EXTCONST char PL_no_security[]
463ee0b2 2938 INIT("Insecure dependency in %s%s");
22c35a8c 2939EXTCONST char PL_no_sock_func[]
93a17b20 2940 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2941EXTCONST char PL_no_dir_func[]
93a17b20 2942 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2943EXTCONST char PL_no_func[]
93a17b20 2944 INIT("The %s function is unimplemented");
22c35a8c 2945EXTCONST char PL_no_myglob[]
748a9306 2946 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 2947EXTCONST char PL_no_localize_ref[]
2948 INIT("Can't localize through a reference");
93a17b20 2949
7575fa06 2950EXTCONST char PL_uuemap[65]
80252599
GS		 2951 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2952
2953
79072805 2954#ifdef DOINIT
22c35a8c
GS		 2955EXT char *PL_sig_name[] = { SIG_NAME };
2956EXT int PL_sig_num[] = { SIG_NUM };
79072805 2957#else
22c35a8c
GS		 2958EXT char *PL_sig_name[];
2959EXT int PL_sig_num[];
79072805
LW		 2960#endif
2961
3bd709b1 2962/* fast conversion and case folding tables */
bbce6d69 2963
79072805 2964#ifdef DOINIT
9d116dd7 2965#ifdef EBCDIC
22c35a8c 2966EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2967 0, 1, 2, 3, 4, 5, 6, 7,
2968 8, 9, 10, 11, 12, 13, 14, 15,
2969 16, 17, 18, 19, 20, 21, 22, 23,
2970 24, 25, 26, 27, 28, 29, 30, 31,
2971 32, 33, 34, 35, 36, 37, 38, 39,
2972 40, 41, 42, 43, 44, 45, 46, 47,
2973 48, 49, 50, 51, 52, 53, 54, 55,
2974 56, 57, 58, 59, 60, 61, 62, 63,
2975 64, 65, 66, 67, 68, 69, 70, 71,
2976 72, 73, 74, 75, 76, 77, 78, 79,
2977 80, 81, 82, 83, 84, 85, 86, 87,
2978 88, 89, 90, 91, 92, 93, 94, 95,
2979 96, 97, 98, 99, 100, 101, 102, 103,
2980 104, 105, 106, 107, 108, 109, 110, 111,
2981 112, 113, 114, 115, 116, 117, 118, 119,
2982 120, 121, 122, 123, 124, 125, 126, 127,
2983 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2984 'H', 'I', 138, 139, 140, 141, 142, 143,
2985 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2986 'Q', 'R', 154, 155, 156, 157, 158, 159,
2987 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2988 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2989 176, 177, 178, 179, 180, 181, 182, 183,
2990 184, 185, 186, 187, 188, 189, 190, 191,
2991 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2992 'h', 'i', 202, 203, 204, 205, 206, 207,
2993 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2994 'q', 'r', 218, 219, 220, 221, 222, 223,
2995 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2996 'y', 'z', 234, 235, 236, 237, 238, 239,
2997 240, 241, 242, 243, 244, 245, 246, 247,
2998 248, 249, 250, 251, 252, 253, 254, 255
2999};
3000#else /* ascii rather than ebcdic */
22c35a8c 3001EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3002 0, 1, 2, 3, 4, 5, 6, 7,
3003 8, 9, 10, 11, 12, 13, 14, 15,
3004 16, 17, 18, 19, 20, 21, 22, 23,
3005 24, 25, 26, 27, 28, 29, 30, 31,
3006 32, 33, 34, 35, 36, 37, 38, 39,
3007 40, 41, 42, 43, 44, 45, 46, 47,
3008 48, 49, 50, 51, 52, 53, 54, 55,
3009 56, 57, 58, 59, 60, 61, 62, 63,
3010 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3011 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3012 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3013 'x', 'y', 'z', 91, 92, 93, 94, 95,
3014 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3015 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3016 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3017 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3018 128, 129, 130, 131, 132, 133, 134, 135,
3019 136, 137, 138, 139, 140, 141, 142, 143,
3020 144, 145, 146, 147, 148, 149, 150, 151,
3021 152, 153, 154, 155, 156, 157, 158, 159,
3022 160, 161, 162, 163, 164, 165, 166, 167,
3023 168, 169, 170, 171, 172, 173, 174, 175,
3024 176, 177, 178, 179, 180, 181, 182, 183,
3025 184, 185, 186, 187, 188, 189, 190, 191,
3026 192, 193, 194, 195, 196, 197, 198, 199,
3027 200, 201, 202, 203, 204, 205, 206, 207,
3028 208, 209, 210, 211, 212, 213, 214, 215,
3029 216, 217, 218, 219, 220, 221, 222, 223,
3030 224, 225, 226, 227, 228, 229, 230, 231,
3031 232, 233, 234, 235, 236, 237, 238, 239,
3032 240, 241, 242, 243, 244, 245, 246, 247,
3033 248, 249, 250, 251, 252, 253, 254, 255
3034};
9d116dd7 3035#endif /* !EBCDIC */
79072805 3036#else
22c35a8c 3037EXTCONST unsigned char PL_fold[];
79072805
LW		 3038#endif
3039
3040#ifdef DOINIT
22c35a8c 3041EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3042 0, 1, 2, 3, 4, 5, 6, 7,
3043 8, 9, 10, 11, 12, 13, 14, 15,
3044 16, 17, 18, 19, 20, 21, 22, 23,
3045 24, 25, 26, 27, 28, 29, 30, 31,
3046 32, 33, 34, 35, 36, 37, 38, 39,
3047 40, 41, 42, 43, 44, 45, 46, 47,
3048 48, 49, 50, 51, 52, 53, 54, 55,
3049 56, 57, 58, 59, 60, 61, 62, 63,
3050 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3051 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3052 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3053 'x', 'y', 'z', 91, 92, 93, 94, 95,
3054 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3055 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3056 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3057 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3058 128, 129, 130, 131, 132, 133, 134, 135,
3059 136, 137, 138, 139, 140, 141, 142, 143,
3060 144, 145, 146, 147, 148, 149, 150, 151,
3061 152, 153, 154, 155, 156, 157, 158, 159,
3062 160, 161, 162, 163, 164, 165, 166, 167,
3063 168, 169, 170, 171, 172, 173, 174, 175,
3064 176, 177, 178, 179, 180, 181, 182, 183,
3065 184, 185, 186, 187, 188, 189, 190, 191,
3066 192, 193, 194, 195, 196, 197, 198, 199,
3067 200, 201, 202, 203, 204, 205, 206, 207,
3068 208, 209, 210, 211, 212, 213, 214, 215,
3069 216, 217, 218, 219, 220, 221, 222, 223,
3070 224, 225, 226, 227, 228, 229, 230, 231,
3071 232, 233, 234, 235, 236, 237, 238, 239,
3072 240, 241, 242, 243, 244, 245, 246, 247,
3073 248, 249, 250, 251, 252, 253, 254, 255
3074};
3075#else
22c35a8c 3076EXT unsigned char PL_fold_locale[];
79072805
LW		 3077#endif
3078
3079#ifdef DOINIT
9d116dd7 3080#ifdef EBCDIC
22c35a8c 3081EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3082 1, 2, 84, 151, 154, 155, 156, 157,
3083 165, 246, 250, 3, 158, 7, 18, 29,
3084 40, 51, 62, 73, 85, 96, 107, 118,
3085 129, 140, 147, 148, 149, 150, 152, 153,
3086 255, 6, 8, 9, 10, 11, 12, 13,
3087 14, 15, 24, 25, 26, 27, 28, 226,
3088 29, 30, 31, 32, 33, 43, 44, 45,
3089 46, 47, 48, 49, 50, 76, 77, 78,
3090 79, 80, 81, 82, 83, 84, 85, 86,
3091 87, 94, 95, 234, 181, 233, 187, 190,
3092 180, 96, 97, 98, 99, 100, 101, 102,
3093 104, 112, 182, 174, 236, 232, 229, 103,
3094 228, 226, 114, 115, 116, 117, 118, 119,
3095 120, 121, 122, 235, 176, 230, 194, 162,
3096 130, 131, 132, 133, 134, 135, 136, 137,
3097 138, 139, 201, 205, 163, 217, 220, 224,
3098 5, 248, 227, 244, 242, 255, 241, 231,
3099 240, 253, 16, 197, 19, 20, 21, 187,
3100 23, 169, 210, 245, 237, 249, 247, 239,
3101 168, 252, 34, 196, 36, 37, 38, 39,
3102 41, 42, 251, 254, 238, 223, 221, 213,
3103 225, 177, 52, 53, 54, 55, 56, 57,
3104 58, 59, 60, 61, 63, 64, 65, 66,
3105 67, 68, 69, 70, 71, 72, 74, 75,
3106 205, 208, 186, 202, 200, 218, 198, 179,
3107 178, 214, 88, 89, 90, 91, 92, 93,
3108 217, 166, 170, 207, 199, 209, 206, 204,
3109 160, 212, 105, 106, 108, 109, 110, 111,
3110 203, 113, 216, 215, 192, 175, 193, 243,
3111 172, 161, 123, 124, 125, 126, 127, 128,
3112 222, 219, 211, 195, 188, 193, 185, 184,
3113 191, 183, 141, 142, 143, 144, 145, 146
3114};
3115#else /* ascii rather than ebcdic */
22c35a8c 3116EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3117 1, 2, 84, 151, 154, 155, 156, 157,
3118 165, 246, 250, 3, 158, 7, 18, 29,
3119 40, 51, 62, 73, 85, 96, 107, 118,
3120 129, 140, 147, 148, 149, 150, 152, 153,
3121 255, 182, 224, 205, 174, 176, 180, 217,
3122 233, 232, 236, 187, 235, 228, 234, 226,
3123 222, 219, 211, 195, 188, 193, 185, 184,
3124 191, 183, 201, 229, 181, 220, 194, 162,
3125 163, 208, 186, 202, 200, 218, 198, 179,
3126 178, 214, 166, 170, 207, 199, 209, 206,
3127 204, 160, 212, 216, 215, 192, 175, 173,
3128 243, 172, 161, 190, 203, 189, 164, 230,
3129 167, 248, 227, 244, 242, 255, 241, 231,
3130 240, 253, 169, 210, 245, 237, 249, 247,
3131 239, 168, 252, 251, 254, 238, 223, 221,
3132 213, 225, 177, 197, 171, 196, 159, 4,
3133 5, 6, 8, 9, 10, 11, 12, 13,
3134 14, 15, 16, 17, 19, 20, 21, 22,
3135 23, 24, 25, 26, 27, 28, 30, 31,
3136 32, 33, 34, 35, 36, 37, 38, 39,
3137 41, 42, 43, 44, 45, 46, 47, 48,
3138 49, 50, 52, 53, 54, 55, 56, 57,
3139 58, 59, 60, 61, 63, 64, 65, 66,
3140 67, 68, 69, 70, 71, 72, 74, 75,
3141 76, 77, 78, 79, 80, 81, 82, 83,
3142 86, 87, 88, 89, 90, 91, 92, 93,
3143 94, 95, 97, 98, 99, 100, 101, 102,
3144 103, 104, 105, 106, 108, 109, 110, 111,
3145 112, 113, 114, 115, 116, 117, 119, 120,
3146 121, 122, 123, 124, 125, 126, 127, 128,
3147 130, 131, 132, 133, 134, 135, 136, 137,
3148 138, 139, 141, 142, 143, 144, 145, 146
3149};
9d116dd7 3150#endif
79072805 3151#else
22c35a8c 3152EXTCONST unsigned char PL_freq[];
79072805
LW		 3153#endif
3154
8990e307
LW		 3155#ifdef DEBUGGING
3156#ifdef DOINIT
22c35a8c 3157EXTCONST char* PL_block_type[] = {
8990e307
LW		 3158 "NULL",
3159 "SUB",
3160 "EVAL",
3161 "LOOP",
3162 "SUBST",
3163 "BLOCK",
3164};
3165#else
22c35a8c 3166EXTCONST char* PL_block_type[];
8990e307
LW		 3167#endif
3168#endif
3169
73c4f7a1
GS		 3170END_EXTERN_C
3171
79072805
LW		 3172/*****************************************************************************/
3173/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3174/*****************************************************************************/
8990e307 3175/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3176
a0d0e21e
LW		 3177#include "perly.h"
3178
fb73857a 3179#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3180
79072805
LW		 3181typedef enum {
3182 XOPERATOR,
3183 XTERM,
79072805 3184 XREF,
8990e307 3185 XSTATE,
a0d0e21e 3186 XBLOCK,
09bef843
SB		 3187 XATTRBLOCK,
3188 XATTRTERM,
6f33ba73
RGS		 3189 XTERMBLOCK,
3190 XTERMORDORDOR /* evil hack */
27308ded 3191 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3192} expectation;
3193
dc9e4912
GS		 3194enum { /* pass one of these to get_vtbl */
3195 want_vtbl_sv,
3196 want_vtbl_env,
3197 want_vtbl_envelem,
3198 want_vtbl_sig,
3199 want_vtbl_sigelem,
3200 want_vtbl_pack,
3201 want_vtbl_packelem,
3202 want_vtbl_dbline,
3203 want_vtbl_isa,
3204 want_vtbl_isaelem,
3205 want_vtbl_arylen,
3206 want_vtbl_glob,
3207 want_vtbl_mglob,
3208 want_vtbl_nkeys,
3209 want_vtbl_taint,
3210 want_vtbl_substr,
3211 want_vtbl_vec,
3212 want_vtbl_pos,
3213 want_vtbl_bm,
3214 want_vtbl_fm,
3215 want_vtbl_uvar,
3216 want_vtbl_defelem,
3217 want_vtbl_regexp,
3218 want_vtbl_collxfrm,
3219 want_vtbl_amagic,
3220 want_vtbl_amagicelem,
dc9e4912 3221 want_vtbl_regdata,
810b8aa5 3222 want_vtbl_regdatum,
7e8c5dac
HS		 3223 want_vtbl_backref,
3224 want_vtbl_utf8
dc9e4912
GS		 3225};
3226
85e6fe83
LW		 3227 /* Note: the lowest 8 bits are reserved for
3228 stuffing into op->op_private */
f3aa04c2 3229#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3230#define HINT_INTEGER 0x00000001 /* integer pragma */
3231#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3232#define HINT_LOCALE 0x00000004 /* locale pragma */
3233#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3234/* #define HINT_notused10 0x00000010 */
a0ed51b3 3235 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3236 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3237
3238#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3239#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3240#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3241
9cfe5470 3242/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3243#define HINT_NEW_INTEGER 0x00001000
3244#define HINT_NEW_FLOAT 0x00002000
3245#define HINT_NEW_BINARY 0x00004000
3246#define HINT_NEW_STRING 0x00008000
3247#define HINT_NEW_RE 0x00010000
3248#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3249
9cfe5470
RGS		 3250#define HINT_RE_TAINT 0x00100000 /* re pragma */
3251#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3252
9cfe5470
RGS		 3253#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3254#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3255
8fa7688f 3256/* assertions pragma */
06492da6 3257#define HINT_ASSERTING 0x01000000
8fa7688f 3258#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3259
9cfe5470 3260/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3261#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3262#define HINT_SORT_QUICKSORT 0x00000001
3263#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3264#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3265
8bfdd7d9 3266/* Various states of the input record separator SV (rs) */
d4cce5f1 3267#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3268#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3269#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3270#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3271
128e8167 3272/* A struct for keeping various DEBUGGING related stuff,
ce333219 3273 * neatly packed. Currently only scratch variables for
128e8167
JH		 3274 * constructing debug output are included. Needed always,
3275 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3276struct perl_debug_pad {
3277 SV pad[3];
3278};
3279
3280#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3281#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3282
56953603 3283/* Enable variables which are pointers to functions */
a2efc822 3284typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3285typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3286typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3287 char* strend, char* strbeg, I32 minend,
3288 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3289typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3290 char *strpos, char *strend,
3291 U32 flags,
3292 struct re_scream_pos_data_s *d);
3293typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3294typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3295
c76ac1ee 3296typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3297typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3298typedef void (*SVFUNC_t) (pTHX_ SV*);
3299typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3300typedef void (*XSINIT_t) (pTHX);
3301typedef void (*ATEXIT_t) (pTHX_ void*);
3302typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3303
22239a37
NIS		 3304/* Set up PERLVAR macros for populating structs */
3305#define PERLVAR(var,type) type var;
51371543 3306#define PERLVARA(var,n,type) type var[n];
22239a37 3307#define PERLVARI(var,type,init) type var;
3fe35a81 3308#define PERLVARIC(var,type,init) type var;
22239a37 3309
58a50f62
GS		 3310/* Interpreter exitlist entry */
3311typedef struct exitlistentry {
acfe0abc 3312 void (*fn) (pTHX_ void*);
58a50f62
GS		 3313 void *ptr;
3314} PerlExitListEntry;
3315
22239a37
NIS		 3316#ifdef PERL_GLOBAL_STRUCT
3317struct perl_vars {
7766f137 3318# include "perlvars.h"
22239a37
NIS		 3319};
3320
7766f137 3321# ifdef PERL_CORE
533c011a
NIS		 3322EXT struct perl_vars PL_Vars;
3323EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3324# else /* PERL_CORE */
3325# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3326EXT
7766f137 3327# endif /* WIN32 */
533c011a 3328struct perl_vars *PL_VarsPtr;
7766f137
GS		 3329# define PL_Vars (*((PL_VarsPtr) \
3330 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3331# endif /* PERL_CORE */
22239a37
NIS		 3332#endif /* PERL_GLOBAL_STRUCT */
3333
acfe0abc 3334#if defined(MULTIPLICITY)
d460ef45 3335/* If we have multiple interpreters define a struct
d4cce5f1 3336 holding variables which must be per-interpreter
d460ef45 3337 If we don't have threads anything that would have
d4cce5f1
NIS		 3338 be per-thread is per-interpreter.
3339*/
3340
79072805 3341struct interpreter {
3db8f154 3342# include "thrdvar.h"
7766f137
GS		 3343# include "intrpvar.h"
3344/*
3345 * The following is a buffer where new variables must
acfe0abc 3346 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3347 */
3348PERLVARA(object_compatibility,30, char)
49f531da 3349};
d4cce5f1 3350
79072805 3351#else
49f531da
NIS		 3352struct interpreter {
3353 char broiled;
3354};
acfe0abc 3355#endif /* MULTIPLICITY */
79072805 3356
22fae026 3357typedef void *Thread;
22239a37
NIS		 3358
3359/* Done with PERLVAR macros for now ... */
d4cce5f1 3360#undef PERLVAR
51371543 3361#undef PERLVARA
d4cce5f1 3362#undef PERLVARI
3fe35a81 3363#undef PERLVARIC
79072805 3364
49704364
WL		 3365/* Types used by pack/unpack */
3366typedef enum {
3367 e_no_len, /* no length */
3368 e_number, /* number, [] */
3369 e_star /* asterisk */
3370} howlen_t;
3371
3372typedef struct {
3373 char* patptr; /* current template char */
3374 char* patend; /* one after last char */
3375 char* grpbeg; /* 1st char of ()-group */
3376 char* grpend; /* end of ()-group */
3377 I32 code; /* template code (!) */
3378 I32 length; /* length/repeat count */
3379 howlen_t howlen; /* how length is given */
3380 int level; /* () nesting level */
3381 U32 flags; /* /=4, comma=2, pack=1 */
3382} tempsym_t;
3383
22239a37 3384#include "thread.h"
79072805 3385#include "pp.h"
864dbfa3
GS		 3386
3387#ifndef PERL_CALLCONV
3388# define PERL_CALLCONV
d460ef45 3389#endif
864dbfa3 3390
65f19062
GS		 3391#ifndef NEXT30_NO_ATTRIBUTE
3392# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3393# ifdef __attribute__ /* Avoid possible redefinition errors */
3394# undef __attribute__
3395# endif
3396# define __attribute__(attr)
3397# endif
3398#endif
3399
0cb96387
GS		 3400#undef PERL_CKDEF
3401#undef PERL_PPDEF
3402#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3403#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3404
7766f137 3405#include "proto.h"
864dbfa3 3406
0cb96387 3407/* this has structure inits, so it cannot be included before here */
acfe0abc 3408#include "opcode.h"
864dbfa3 3409
d4cce5f1
NIS		 3410/* The following must follow proto.h as #defines mess up syntax */
3411
22c35a8c
GS		 3412#if !defined(PERL_FOR_X2P)
3413# include "embedvar.h"
3414#endif
d4cce5f1 3415
d460ef45 3416/* Now include all the 'global' variables
d4cce5f1 3417 * If we don't have threads or multiple interpreters
d460ef45 3418 * these include variables that would have been their struct-s
d4cce5f1 3419 */
d460ef45 3420
533c011a 3421#define PERLVAR(var,type) EXT type PL_##var;
51371543 3422#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3423#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3424#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3425
acfe0abc 3426#if !defined(MULTIPLICITY)
7766f137 3427START_EXTERN_C
066ef5b5 3428# include "intrpvar.h"
3db8f154 3429# include "thrdvar.h"
7766f137 3430END_EXTERN_C
22239a37
NIS		 3431#endif
3432
acfe0abc 3433#if defined(WIN32)
66a93824 3434/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3435# include "embed.h"
acfe0abc 3436#endif
22239a37 3437
c5be433b
GS		 3438#ifndef PERL_GLOBAL_STRUCT
3439START_EXTERN_C
3440
3441# include "perlvars.h"
3442
3443END_EXTERN_C
3444#endif
3445
d4cce5f1 3446#undef PERLVAR
51371543 3447#undef PERLVARA
d4cce5f1 3448#undef PERLVARI
0f3f18a6 3449#undef PERLVARIC
79072805 3450
73c4f7a1
GS		 3451START_EXTERN_C
3452
79072805 3453#ifdef DOINIT
bbce6d69 3454
68795e93 3455EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3456 MEMBER_TO_FPTR(Perl_magic_set),
3457 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3458 0, 0};
2b260de0
GS		 3459EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3460 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3461 0};
2b260de0
GS		 3462EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3463 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3464 0};
22c35a8c 3465EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3466#ifdef PERL_MICRO
3467EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3468#else
2b260de0
GS		 3469EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3470 MEMBER_TO_FPTR(Perl_magic_setsig),
3471 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3472 0};
64ca3a65 3473#endif
68795e93
NIS		 3474EXT MGVTBL PL_vtbl_pack = {0, 0,
3475 MEMBER_TO_FPTR(Perl_magic_sizepack),
3476 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3477 0};
2b260de0 3478EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3479 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3480 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3481 0};
2b260de0 3482EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3483 0, 0, 0};
2b260de0
GS		 3484EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3485 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3486 0};
2b260de0 3487EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3488 0, 0, 0};
2b260de0
GS		 3489EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3490 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3491 0, 0, 0};
2b260de0
GS		 3492EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3493 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3494 0, 0, 0};
2b260de0 3495EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3496 0, 0, 0};
2b260de0
GS		 3497EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3498 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3499 0, 0, 0};
68795e93
NIS		 3500EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3501 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3502 0, 0, 0};
68795e93
NIS		 3503EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3504 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3505 0, 0, 0};
2b260de0 3506EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3507 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3508 0, 0, 0};
2b260de0
GS		 3509EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3510 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3511 0, 0, 0};
2b260de0 3512EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3513 0, 0, 0};
2b260de0 3514EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3515 0, 0, 0};
2b260de0
GS		 3516EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3517 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3518 0, 0, 0};
68795e93
NIS		 3519EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3520 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3521 0, 0, 0};
a0d0e21e 3522
faf82a0b 3523EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3524EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3525EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3526 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3527
36477c24 3528#ifdef USE_LOCALE_COLLATE
22c35a8c 3529EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3530 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3531 0, 0, 0};
3532#endif
a0d0e21e 3533
2b260de0
GS		 3534EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3535 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3536EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3537 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3538
810b8aa5 3539EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3540 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3541
d460ef45
NIS		 3542EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3543 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3544
7e8c5dac
HS		 3545EXT MGVTBL PL_vtbl_utf8 = {0,
3546 MEMBER_TO_FPTR(Perl_magic_setutf8),
3547 0, 0, 0};
3548
bbce6d69 3549#else /* !DOINIT */
3550
22c35a8c
GS		 3551EXT MGVTBL PL_vtbl_sv;
3552EXT MGVTBL PL_vtbl_env;
3553EXT MGVTBL PL_vtbl_envelem;
3554EXT MGVTBL PL_vtbl_sig;
3555EXT MGVTBL PL_vtbl_sigelem;
3556EXT MGVTBL PL_vtbl_pack;
3557EXT MGVTBL PL_vtbl_packelem;
3558EXT MGVTBL PL_vtbl_dbline;
3559EXT MGVTBL PL_vtbl_isa;
3560EXT MGVTBL PL_vtbl_isaelem;
3561EXT MGVTBL PL_vtbl_arylen;
3562EXT MGVTBL PL_vtbl_glob;
3563EXT MGVTBL PL_vtbl_mglob;
3564EXT MGVTBL PL_vtbl_nkeys;
3565EXT MGVTBL PL_vtbl_taint;
3566EXT MGVTBL PL_vtbl_substr;
3567EXT MGVTBL PL_vtbl_vec;
3568EXT MGVTBL PL_vtbl_pos;
3569EXT MGVTBL PL_vtbl_bm;
3570EXT MGVTBL PL_vtbl_fm;
3571EXT MGVTBL PL_vtbl_uvar;
d460ef45 3572EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3573
22c35a8c
GS		 3574EXT MGVTBL PL_vtbl_defelem;
3575EXT MGVTBL PL_vtbl_regexp;
3576EXT MGVTBL PL_vtbl_regdata;
3577EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3578
36477c24 3579#ifdef USE_LOCALE_COLLATE
22c35a8c 3580EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3581#endif
a0d0e21e 3582
22c35a8c
GS		 3583EXT MGVTBL PL_vtbl_amagic;
3584EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3585
810b8aa5 3586EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3587EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3588
bbce6d69 3589#endif /* !DOINIT */
85e6fe83 3590
f5284f61
IZ		 3591enum {
3592 fallback_amg, abs_amg,
3593 bool__amg, nomethod_amg,
3594 string_amg, numer_amg,
3595 add_amg, add_ass_amg,
3596 subtr_amg, subtr_ass_amg,
3597 mult_amg, mult_ass_amg,
3598 div_amg, div_ass_amg,
3599 modulo_amg, modulo_ass_amg,
3600 pow_amg, pow_ass_amg,
3601 lshift_amg, lshift_ass_amg,
3602 rshift_amg, rshift_ass_amg,
3603 band_amg, band_ass_amg,
3604 bor_amg, bor_ass_amg,
3605 bxor_amg, bxor_ass_amg,
3606 lt_amg, le_amg,
3607 gt_amg, ge_amg,
3608 eq_amg, ne_amg,
3609 ncmp_amg, scmp_amg,
3610 slt_amg, sle_amg,
3611 sgt_amg, sge_amg,
3612 seq_amg, sne_amg,
3613 not_amg, compl_amg,
3614 inc_amg, dec_amg,
3615 atan2_amg, cos_amg,
3616 sin_amg, exp_amg,
3617 log_amg, sqrt_amg,
3618 repeat_amg, repeat_ass_amg,
3619 concat_amg, concat_ass_amg,
3620 copy_amg, neg_amg,
3621 to_sv_amg, to_av_amg,
3622 to_hv_amg, to_gv_amg,
d460ef45 3623 to_cv_amg, iter_amg,
f216259d
IZ		 3624 int_amg, DESTROY_amg,
3625 max_amg_code
64a0062a 3626 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3627};
3628
3629#define NofAMmeth max_amg_code
89ffc314 3630#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3631
a0d0e21e 3632#ifdef DOINIT
22c35a8c 3633EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3634 /* Names kept in the symbol table. fallback => "()", the rest has
3635 "(" prepended. The only other place in perl which knows about
3636 this convention is AMG_id2name (used for debugging output and
3637 'nomethod' only), the only other place which has it hardwired is
3638 overload.pm. */
3639 "()", "(abs", /* "fallback" should be the first. */
3640 "(bool", "(nomethod",
3641 "(\"\"", "(0+",
3642 "(+", "(+=",
3643 "(-", "(-=",
3644 "(*", "(*=",
3645 "(/", "(/=",
3646 "(%", "(%=",
3647 "(**", "(**=",
3648 "(<<", "(<<=",
3649 "(>>", "(>>=",
3650 "(&", "(&=",
3651 "(|", "(|=",
3652 "(^", "(^=",
3653 "(<", "(<=",
3654 "(>", "(>=",
3655 "(==", "(!=",
3656 "(<=>", "(cmp",
3657 "(lt", "(le",
3658 "(gt", "(ge",
3659 "(eq", "(ne",
3660 "(!", "(~",
3661 "(++", "(--",
3662 "(atan2", "(cos",
3663 "(sin", "(exp",
3664 "(log", "(sqrt",
3665 "(x", "(x=",
3666 "(.", "(.=",
3667 "(=", "(neg",
3668 "(${}", "(@{}",
3669 "(%{}", "(*{}",
3670 "(&{}", "(<>",
f216259d 3671 "(int", "DESTROY",
a0d0e21e
LW		 3672};
3673#else
22c35a8c 3674EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3675#endif /* def INITAMAGIC */
3676
73c4f7a1
GS		 3677END_EXTERN_C
3678
a6006777 3679struct am_table {
eb160463 3680 U32 was_ok_sub;
a0d0e21e 3681 long was_ok_am;
a6006777 3682 U32 flags;
3683 CV* table[NofAMmeth];
a0d0e21e
LW		 3684 long fallback;
3685};
a6006777 3686struct am_table_short {
eb160463 3687 U32 was_ok_sub;
a6006777 3688 long was_ok_am;
3689 U32 flags;
3690};
a0d0e21e 3691typedef struct am_table AMT;
a6006777 3692typedef struct am_table_short AMTS;
a0d0e21e
LW		 3693
3694#define AMGfallNEVER 1
3695#define AMGfallNO 2
3696#define AMGfallYES 3
3697
a6006777 3698#define AMTf_AMAGIC 1
32251b26 3699#define AMTf_OVERLOADED 2
a6006777 3700#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3701#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3702#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3703#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3704#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3705#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3706
32251b26 3707#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3708
3709/*
3710 * some compilers like to redefine cos et alia as faster
3711 * (and less accurate?) versions called F_cos et cetera (Quidquid
3712 * latine dictum sit, altum viditur.) This trick collides with
3713 * the Perl overloading (amg). The following #defines fool both.
3714 */
3715
3716#ifdef _FASTMATH
3717# ifdef atan2
3718# define F_atan2_amg atan2_amg
3719# endif
3720# ifdef cos
3721# define F_cos_amg cos_amg
3722# endif
3723# ifdef exp
3724# define F_exp_amg exp_amg
3725# endif
3726# ifdef log
3727# define F_log_amg log_amg
3728# endif
3729# ifdef pow
3730# define F_pow_amg pow_amg
3731# endif
3732# ifdef sin
3733# define F_sin_amg sin_amg
3734# endif
3735# ifdef sqrt
3736# define F_sqrt_amg sqrt_amg
3737# endif
3738#endif /* _FASTMATH */
3739
83ee9e09
GS		 3740#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3741 PERLDBf_NOOPT | PERLDBf_INTER | \
3742 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3743 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3744 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3745#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3746#define PERLDBf_LINE 0x02 /* Keep line # */
3747#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3748#define PERLDBf_INTER 0x08 /* Preserve more data for
3749 later inspections */
3750#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3751#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3752#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3753#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3754#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3755#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3756#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3757
3280af22
NIS		 3758#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3759#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3760#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3761#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3762#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3763#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3764#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3765#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3766#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3767#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3768#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3769
36477c24 3770#ifdef USE_LOCALE_NUMERIC
bbce6d69 3771
36477c24 3772#define SET_NUMERIC_STANDARD() \
ff4fed7c 3773 set_numeric_standard();
36477c24 3774
3775#define SET_NUMERIC_LOCAL() \
ff4fed7c 3776 set_numeric_local();
bbce6d69 3777
2de3dbcc
JH		 3778#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3779#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3780
3781#define IN_LOCALE \
3782 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3783
f93f4e46 3784#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3785 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3786 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3787
3788#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3789 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3790 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3791
3792#define RESTORE_NUMERIC_LOCAL() \
3793 if (was_local) SET_NUMERIC_LOCAL();
3794
3795#define RESTORE_NUMERIC_STANDARD() \
3796 if (was_standard) SET_NUMERIC_STANDARD();
3797
5b877257 3798#define Atof my_atof
097ee67d 3799
36477c24 3800#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3801
097ee67d
JH		 3802#define SET_NUMERIC_STANDARD() /**/
3803#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3804#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3805#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3806#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3807#define RESTORE_NUMERIC_LOCAL() /**/
3808#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3809#define Atof my_atof
ad3e0f90 3810#define IN_LOCALE_RUNTIME 0
bbce6d69 3811
36477c24 3812#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3813
079290de 3814#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3815# ifdef __hpux
3816# define strtoll __strtoll /* secret handshake */
3817# endif
c623ac67
GS		 3818# ifdef WIN64
3819# define strtoll _strtoi64 /* secret handshake */
3820# endif
079290de
GS		 3821# if !defined(Strtol) && defined(HAS_STRTOLL)
3822# define Strtol strtoll
ad551343 3823# endif
28e5dec8
JH		 3824# if !defined(Strtol) && defined(HAS_STRTOQ)
3825# define Strtol strtoq
3826# endif
ff935051 3827/* is there atoq() anywhere? */
15b99d39 3828#endif
079290de
GS		 3829#if !defined(Strtol) && defined(HAS_STRTOL)
3830# define Strtol strtol
3831#endif
3832#ifndef Atol
3833/* It would be more fashionable to use Strtol() to define atol()
3834 * (as is done for Atoul(), see below) but for backward compatibility
3835 * we just assume atol(). */
76b882ba 3836# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3837# ifdef WIN64
3838# define atoll _atoi64 /* secret handshake */
3839# endif
76b882ba
JH		 3840# define Atol atoll
3841# else
3842# define Atol atol
3843# endif
cf2093f6
JH		 3844#endif
3845
55eb892c 3846#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3847# ifdef __hpux
3848# define strtoull __strtoull /* secret handshake */
3849# endif
c623ac67
GS		 3850# ifdef WIN64
3851# define strtoull _strtoui64 /* secret handshake */
3852# endif
ad551343 3853# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3854# define Strtoul strtoull
15b99d39 3855# endif
079290de
GS		 3856# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3857# define Strtoul strtouq
3858# endif
76d49b1c 3859/* is there atouq() anywhere? */
ad551343 3860#endif
079290de
GS		 3861#if !defined(Strtoul) && defined(HAS_STRTOUL)
3862# define Strtoul strtoul
cf2093f6 3863#endif
079290de
GS		 3864#ifndef Atoul
3865# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3866#endif
cf2093f6 3867
760ac839 3868
06d86050
GS		 3869/* if these never got defined, they need defaults */
3870#ifndef PERL_SET_CONTEXT
3871# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3872#endif
3873
3874#ifndef PERL_GET_CONTEXT
3875# define PERL_GET_CONTEXT PERL_GET_INTERP
3876#endif
3877
3878#ifndef PERL_GET_THX
3879# define PERL_GET_THX ((void*)NULL)
3880#endif
3881
3882#ifndef PERL_SET_THX
3883# define PERL_SET_THX(t) NOOP
3884#endif
3885
a868473f
NIS		 3886#ifndef PERL_SCRIPT_MODE
3887#define PERL_SCRIPT_MODE "r"
3888#endif
3889
fba3b22e 3890/*
da927450
JH		 3891 * Some operating systems are stingy with stack allocation,
3892 * so perl may have to guard against stack overflow.
3893 */
3894#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3895#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3896#endif
3897
3898/*
3899 * Some nonpreemptive operating systems find it convenient to
3900 * check for asynchronous conditions after each op execution.
3901 * Keep this check simple, or it may slow down execution
3902 * massively.
3903 */
ce08f86c 3904
1d615522 3905#ifndef PERL_MICRO
4ffa73a3
JH		 3906# ifndef PERL_ASYNC_CHECK
3907# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3908# endif
ce08f86c
NIS		 3909#endif
3910
da927450 3911#ifndef PERL_ASYNC_CHECK
1d615522 3912# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3913#endif
3914
3915/*
3916 * On some operating systems, a memory allocation may succeed,
3917 * but put the process too close to the system's comfort limit.
3918 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3919 * it to NULL.
3920 */
3921#ifndef PERL_ALLOC_CHECK
c2af87cb 3922#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3923#endif
3924
3925/*
fba3b22e
MB		 3926 * nice_chunk and nice_chunk size need to be set
3927 * and queried under the protection of sv_mutex
3928 */
30ad99e7
MJD		 3929#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3930 void *new_chunk; \
3931 U32 new_chunk_size; \
3932 LOCK_SV_MUTEX; \
3933 new_chunk = (void *)(chunk); \
3934 new_chunk_size = (chunk_size); \
3935 if (new_chunk_size > PL_nice_chunk_size) { \
3936 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3937 PL_nice_chunk = new_chunk; \
3938 PL_nice_chunk_size = new_chunk_size; \
3939 } else { \
3940 Safefree(chunk); \
3941 } \
3942 UNLOCK_SV_MUTEX; \
3943 } STMT_END
fba3b22e 3944
bd89102f
AD		 3945#ifdef HAS_SEM
3946# include <sys/ipc.h>
3947# include <sys/sem.h>
3948# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3949 union semun {
dbba660d
TC		 3950 int val;
3951 struct semid_ds *buf;
3952 unsigned short *array;
bd89102f
AD		 3953 };
3954# endif
3955# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3956# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3957 union gccbug_semun {
3958 int val;
3959 struct semid_ds *buf;
3960 unsigned short *array;
3961 char __dummy[5];
3962 };
3963# define semun gccbug_semun
3964# endif
bd89102f
AD		 3965# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3966# else
3967# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3968# ifdef EXTRA_F_IN_SEMUN_BUF
3969# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3970# else
3971# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3972# endif
bd89102f
AD		 3973# endif
3974# endif
bd89102f 3975#endif
49f531da 3976
89ca4ac7
JH		 3977/*
3978 * Boilerplate macros for initializing and accessing interpreter-local
3979 * data from C. All statics in extensions should be reworked to use
3980 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 3981 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 3982 *
3983 * Code that uses these macros is responsible for the following:
43a739c2
JH		 3984 * 1. #define MY_CXT_KEY to a unique string, e.g.
3985 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 3986 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3987 * all the data that needs to be interpreter-local.
3988 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3989 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3990 * (typically put in the BOOT: section).
3991 * 5. Use the members of the my_cxt_t structure everywhere as
3992 * MY_CXT.member.
3993 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3994 * access MY_CXT.
3995 */
3996
fc958cd2 3997#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3998
3999/* This must appear in all extensions that define a my_cxt_t structure,
4000 * right after the definition (i.e. at file scope). The non-threads
4001 * case below uses it to declare the data as static. */
4002#define START_MY_CXT
4003
4004/* Fetches the SV that keeps the per-interpreter data. */
4005#define dMY_CXT_SV \
4006 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4007 sizeof(MY_CXT_KEY)-1, TRUE)
4008
4009/* This declaration should be used within all functions that use the
4010 * interpreter-local data. */
4011#define dMY_CXT \
4012 dMY_CXT_SV; \
ec0e15e0 4013 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4014
4015/* Creates and zeroes the per-interpreter data.
4016 * (We allocate my_cxtp in a Perl SV so that it will be released when
4017 * the interpreter goes away.) */
4018#define MY_CXT_INIT \
4019 dMY_CXT_SV; \
4020 /* newSV() allocates one more than needed */ \
4021 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4022 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4023 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4024
4025/* This macro must be used to access members of the my_cxt_t structure.
4026 * e.g. MYCXT.some_data */
4027#define MY_CXT (*my_cxtp)
4028
4029/* Judicious use of these macros can reduce the number of times dMY_CXT
4030 * is used. Use is similar to pTHX, aTHX etc. */
4031#define pMY_CXT my_cxt_t *my_cxtp
4032#define pMY_CXT_ pMY_CXT,
4033#define _pMY_CXT ,pMY_CXT
4034#define aMY_CXT my_cxtp
4035#define aMY_CXT_ aMY_CXT,
4036#define _aMY_CXT ,aMY_CXT
4037
4038#else /* USE_ITHREADS */
4039
4040#define START_MY_CXT static my_cxt_t my_cxt;
4041#define dMY_CXT_SV dNOOP
4042#define dMY_CXT dNOOP
4043#define MY_CXT_INIT NOOP
4044#define MY_CXT my_cxt
4045
4046#define pMY_CXT void
4047#define pMY_CXT_
4048#define _pMY_CXT
4049#define aMY_CXT
4050#define aMY_CXT_
4051#define _aMY_CXT
4052
4053#endif /* !defined(USE_ITHREADS) */
4054
9a34ef1d
GS		 4055#ifdef I_FCNTL
4056# include <fcntl.h>
9a34ef1d
GS		 4057#endif
4058
4059#ifdef I_SYS_FILE
4060# include <sys/file.h>
4061#endif
4062
fa0a29af 4063#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4064int flock(int fd, int op);
4065#endif
4066
fe52b3b7
GS		 4067#ifndef O_RDONLY
4068/* Assume UNIX defaults */
4069# define O_RDONLY 0000
4070# define O_WRONLY 0001
4071# define O_RDWR 0002
4072# define O_CREAT 0100
4073#endif
9a34ef1d 4074
16fe6d59
GS		 4075#ifndef O_BINARY
4076# define O_BINARY 0
4077#endif
4078
4079#ifndef O_TEXT
4080# define O_TEXT 0
4081#endif
4082
6ce75a77
JH		 4083#if O_TEXT != O_BINARY
4084 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4085 * that is, you are somehow DOSish. */
73250e76 4086# if defined(__BEOS__) || defined(__VOS__)
a6e45062
JH		 4087 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4088 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4089 /* VOS has O_TEXT != O_BINARY, and they have effect,
4090 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4091 /* If you have O_TEXT different from your O_BINARY but you still are
4092 * not a CRLF shop. */
35990314 4093# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4094# else
4095 /* If you really are DOSish. */
4096# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4097# endif
4098#endif
4099
104d25b7
JH		 4100#ifdef IAMSUID
4101
4102#ifdef I_SYS_STATVFS
9f982a77
IG		 4103# if defined(PERL_SCO) && !defined(_SVID3)
4104# define _SVID3
4105# endif
32b3cf08
JH		 4106# include <sys/statvfs.h> /* for f?statvfs() */
4107#endif
4108#ifdef I_SYS_MOUNT
4109# include <sys/mount.h> /* for *BSD f?statfs() */
4110#endif
4111#ifdef I_MNTENT
4112# include <mntent.h> /* for getmntent() */
104d25b7 4113#endif
0545a864
JH		 4114#ifdef I_SYS_STATFS
4115# include <sys/statfs.h> /* for some statfs() */
4116#endif
4117#ifdef I_SYS_VFS
8d9e1a19
GS		 4118# ifdef __sgi
4119# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4120# endif
4121# include <sys/vfs.h> /* for some statfs() */
4122# ifdef __sgi
4123# undef IRIX_sv
4124# endif
0545a864
JH		 4125#endif
4126#ifdef I_USTAT
4127# include <ustat.h> /* for ustat() */
4128#endif
4129
4130#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4131# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4132#endif
4133#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4134# define PERL_MOUNT_NOSUID MNT_NOSUID
4135#endif
4136#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4137# define PERL_MOUNT_NOSUID MS_NOSUID
4138#endif
4139#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4140# define PERL_MOUNT_NOSUID M_NOSUID
4141#endif
104d25b7
JH		 4142
4143#endif /* IAMSUID */
4144
4bc88a62
PS		 4145#ifdef I_LIBUTIL
4146# include <libutil.h> /* setproctitle() in some FreeBSDs */
4147#endif
4148
b4748376
NIS		 4149#ifndef EXEC_ARGV_CAST
4150#define EXEC_ARGV_CAST(x) x
4151#endif
4152
dd5dc04f
JH		 4153#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4154 int). value returned in pointed-
4155 to UV */
4156#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4157#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4158#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4159#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4160#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4161
4162#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4163
53305cf1
NC		 4164/* Input flags: */
4165#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4166#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4167#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4168/* Output flags: */
4169#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4170
2c4f7f0e
DM		 4171/* to let user control profiling */
4172#ifdef PERL_GPROF_CONTROL
4173extern void moncontrol(int);
4174#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4175#else
4176#define PERL_GPROF_MONCONTROL(x)
4177#endif
4178
ae0e3d3b
JH		 4179#ifdef UNDER_CE
4180#include "wince.h"
4181#endif
4182
4183/* ISO 6429 NEL - C1 control NExt Line */
4184/* See http://www.unicode.org/unicode/reports/tr13/ */
4185#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4186# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4187# define NEXT_LINE_CHAR 0x15
4188# else /* CDRA */
4189# define NEXT_LINE_CHAR 0x25
4190# endif
4191#else
4192# define NEXT_LINE_CHAR 0x85
4193#endif
4194
4195/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4196#define UNICODE_LINE_SEPA_0 0xE2
4197#define UNICODE_LINE_SEPA_1 0x80
4198#define UNICODE_LINE_SEPA_2 0xA8
4199#define UNICODE_PARA_SEPA_0 0xE2
4200#define UNICODE_PARA_SEPA_1 0x80
4201#define UNICODE_PARA_SEPA_2 0xA9
4202
479b2847
GS		 4203#ifndef PIPESOCK_MODE
4204# define PIPESOCK_MODE
4205#endif
4206
7e8c5dac
HS		 4207#define PERL_MAGIC_UTF8_CACHESIZE 2
4208
a05d7ebb
JH		 4209#define PERL_UNICODE_STDIN_FLAG 0x0001
4210#define PERL_UNICODE_STDOUT_FLAG 0x0002
4211#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4212#define PERL_UNICODE_IN_FLAG 0x0008
4213#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4214#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4215#define PERL_UNICODE_LOCALE_FLAG 0x0040
4216#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4217
06e66572
JH		 4218#define PERL_UNICODE_STD_FLAG \
4219 (PERL_UNICODE_STDIN_FLAG | \
4220 PERL_UNICODE_STDOUT_FLAG | \
4221 PERL_UNICODE_STDERR_FLAG)
4222
4223#define PERL_UNICODE_INOUT_FLAG \
4224 (PERL_UNICODE_IN_FLAG | \
4225 PERL_UNICODE_OUT_FLAG)
4226
4227#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4228 (PERL_UNICODE_STD_FLAG | \
4229 PERL_UNICODE_INOUT_FLAG | \
4230 PERL_UNICODE_LOCALE_FLAG)
4231
4232#define PERL_UNICODE_ALL_FLAGS 0x00ff
4233
4234#define PERL_UNICODE_STDIN 'I'
4235#define PERL_UNICODE_STDOUT 'O'
4236#define PERL_UNICODE_STDERR 'E'
4237#define PERL_UNICODE_STD 'S'
4238#define PERL_UNICODE_IN 'i'
4239#define PERL_UNICODE_OUT 'o'
4240#define PERL_UNICODE_INOUT 'D'
4241#define PERL_UNICODE_ARGV 'A'
4242#define PERL_UNICODE_LOCALE 'L'
4243#define PERL_UNICODE_WIDESYSCALLS 'W'
4244
4ffa73a3
JH		 4245#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4246
16bd9a85
JH		 4247/* From sigaction(2) (FreeBSD man page):
4248 * | Signal routines normally execute with the signal that
4249 * | caused their invocation blocked, but other signals may
4250 * | yet occur.
4251 * Emulation of this behavior (from within Perl) is enabled
4252 * by defining PERL_BLOCK_SIGNALS.
4253 */
4254#define PERL_BLOCK_SIGNALS
4255
4256#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4257# define PERL_BLOCKSIG_ADD(set,sig) \
4258 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4259# define PERL_BLOCKSIG_BLOCK(set) \
4260 sigprocmask(SIG_BLOCK, &(set), NULL)
4261# define PERL_BLOCKSIG_UNBLOCK(set) \
4262 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4263#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4264
4265/* How about the old style of sigblock()? */
4266
4267#ifndef PERL_BLOCKSIG_ADD
4268# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4269#endif
4270#ifndef PERL_BLOCKSIG_BLOCK
4271# define PERL_BLOCKSIG_BLOCK(set) NOOP
4272#endif
2bfba5f0 4273#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4274# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4275#endif
4276
32fdb065 4277/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4278 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4279#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4280
4d8076ea 4281/* and finally... */
cceca5ed 4282#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4283#include "patchlevel.h"
cceca5ed 4284#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4285
43999f95 4286/* Mention
d460ef45 4287
43999f95 4288 NV_PRESERVES_UV
fe749a9f 4289
fe749a9f
JH		 4290 HAS_MKSTEMP
4291 HAS_MKSTEMPS
4292 HAS_MKDTEMP
4293
49dabb45
JH		 4294 HAS_GETCWD
4295
d59b5429 4296 HAS_MMAP
fe749a9f
JH		 4297 HAS_MPROTECT
4298 HAS_MSYNC
1e8c3fde 4299 HAS_MADVISE
fe749a9f
JH		 4300 HAS_MUNMAP
4301 I_SYSMMAN
4302 Mmap_t
4303
6b4667fc
A		 4304 NVef
4305 NVff
4306 NVgf
4307
4e0554ec 4308 HAS_UALARM
2d736872
MB		 4309 HAS_USLEEP
4310 HAS_NANOSLEEP
4e0554ec
JH		 4311
4312 HAS_SETITIMER
4313 HAS_GETITIMER
4314
4315 HAS_SENDMSG
4316 HAS_RECVMSG
4317 HAS_READV
4318 HAS_WRITEV
4319 I_SYSUIO
4320 HAS_STRUCT_MSGHDR
4321 HAS_STRUCT_CMSGHDR
4322
2765b840 4323 HAS_NL_LANGINFO
0a7020c9 4324
ae0e3d3b 4325 HAS_DIRFD
2765b840 4326
43999f95
JH		 4327 so that Configure picks them up. */
4328
85e6fe83 4329#endif /* Include guard */
ae0e3d3b 4330
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