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a0d0e21e 1/* perl.h
a687059c 2 *
be3c0a43 3 * Copyright (c) 1987-2002, 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
e82e08d5
JH		 1255# else
1256# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1257# endif
1258# ifdef HAS_FREXPL
dff3e0b8 1259# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1260# else
1261# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1262# endif
38dbb4c5 1263# ifndef Perl_isnan
758a5d79
JH		 1264# ifdef HAS_ISNANL
1265# define Perl_isnan(x) isnanl(x)
1266# endif
1267# endif
1268# ifndef Perl_isinf
1269# ifdef HAS_FINITEL
1270# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1271# endif
1272# endif
65202027 1273#else
2d4389e4 1274# define NV_DIG DBL_DIG
d6c14000
JH		 1275# ifdef DBL_MANT_DIG
1276# define NV_MANT_DIG DBL_MANT_DIG
1277# endif
06fc1729
JH		 1278# ifdef DBL_MIN
1279# define NV_MIN DBL_MIN
1280# endif
1281# ifdef DBL_MAX
1282# define NV_MAX DBL_MAX
1283# endif
1284# ifdef DBL_MIN_10_EXP
1285# define NV_MIN_10_EXP DBL_MIN_10_EXP
1286# endif
1287# ifdef DBL_MAX_10_EXP
1288# define NV_MAX_10_EXP DBL_MAX_10_EXP
1289# endif
1290# ifdef DBL_EPSILON
1291# define NV_EPSILON DBL_EPSILON
1292# endif
205f51d8 1293# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1294# define NV_MAX DBL_MAX
1295# define NV_MIN DBL_MIN
1296# else
1297# ifdef HUGE_VAL
1298# define NV_MAX HUGE_VAL
1299# endif
1300# endif
65202027
DS		 1301# define Perl_cos cos
1302# define Perl_sin sin
1303# define Perl_sqrt sqrt
1304# define Perl_exp exp
1305# define Perl_log log
1306# define Perl_atan2 atan2
1307# define Perl_pow pow
1308# define Perl_floor floor
65202027 1309# define Perl_fmod fmod
a3540c92 1310# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1311# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1312#endif
1313
1314/* rumor has it that Win32 has _fpclass() */
1315
205f51d8
AS		 1316/* SGI has fpclassl... but not with the same result values,
1317 * and it's via a typedef (not via #define), so will need to redo Configure
1318 * to use. Not worth the trouble, IMO, at least until the below is used
1319 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1320 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1321 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1322
758a5d79
JH		 1323#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1324# ifdef I_IEEFP
1325# include <ieeefp.h>
1326# endif
1327# ifdef I_FP
1328# include <fp.h>
1329# endif
1330# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1331# define Perl_fp_class() fpclassl(x)
1332# else
1333# define Perl_fp_class() fpclass(x)
1334# endif
1335# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1336# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1337# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1338# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1339# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1340# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1341# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1342# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1343# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1344# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1345# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1346# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1347# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1348# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1349# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1350#endif
1351
7114a2d2 1352#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1353# include <math.h>
1354# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1355# include <fp_class.h>
1356# endif
1357# define Perl_fp_class(x) fp_class(x)
1358# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1359# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1360# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1361# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1362# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1363# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1364# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1365# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1366# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1367# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1368# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1369# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1370# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1371# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1372# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1373#endif
1374
1375#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1376# include <math.h>
1377# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1378# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1379# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1380# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1381# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1382# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1383#endif
1384
1385#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1386# include <math.h>
1387# ifndef _cplusplus
1388# define Perl_fp_class(x) class(x)
1389# else
1390# define Perl_fp_class(x) _class(x)
1391# endif
1392# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1393# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1394# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1395# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1396# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1397# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1398# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1399# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1400# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1401# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1402# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1403# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1404# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1405# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1406# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1407#endif
1408
1409/* rumor has it that Win32 has _isnan() */
1410
1411#ifndef Perl_isnan
a3540c92 1412# ifdef HAS_ISNAN
758a5d79
JH		 1413# define Perl_isnan(x) isnan((NV)x)
1414# else
1415# ifdef Perl_fp_class_nan
1416# define Perl_isnan(x) Perl_fp_class_nan(x)
1417# else
1418# ifdef HAS_UNORDERED
1419# define Perl_isnan(x) unordered((x), 0.0)
1420# else
1421# define Perl_isnan(x) ((x)!=(x))
1422# endif
1423# endif
1424# endif
1425#endif
1426
ca6c63e1
JH		 1427#ifdef UNDER_CE
1428int isnan(double d);
1429#endif
1430
758a5d79
JH		 1431#ifndef Perl_isinf
1432# ifdef HAS_ISINF
1433# define Perl_isinf(x) isinf((NV)x)
a3540c92 1434# else
758a5d79
JH		 1435# ifdef Perl_fp_class_inf
1436# define Perl_isinf(x) Perl_fp_class_inf(x)
1437# else
1438# define Perl_isinf(x) ((x)==NV_INF)
1439# endif
1440# endif
1441#endif
1442
1443#ifndef Perl_isfinite
1444# ifdef HAS_FINITE
1445# define Perl_isfinite(x) finite((NV)x)
1446# else
1447# ifdef HAS_ISFINITE
1448# define Perl_isfinite(x) isfinite(x)
1449# else
1450# ifdef Perl_fp_class_finite
1451# define Perl_isfinite(x) Perl_fp_class_finite(x)
1452# else
1453# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1454# endif
1455# endif
a3540c92 1456# endif
65202027
DS		 1457#endif
1458
a36244b7
JH		 1459/* The default is to use Perl's own atof() implementation (in numeric.c).
1460 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1461 * it is however best to use the native implementation of atof.
1462 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1463 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1464 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1465 * you may need to be using a different function than atof! */
a36244b7
JH		 1466
1467#ifndef USE_PERL_ATOF
1468# ifndef _UNICOS
1469# define USE_PERL_ATOF
1470# endif
1471#else
1472# if USE_PERL_ATOF == 0
1473# undef USE_PERL_ATOF
1474# endif
1475#endif
1476
1477#ifdef USE_PERL_ATOF
1478# define Perl_atof(s) Perl_my_atof(s)
1479# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1480#else
1481# define Perl_atof(s) (NV)atof(s)
1482# define Perl_atof2(s, n) ((n) = atof(s))
1483#endif
cf2093f6 1484
d460ef45 1485/* Previously these definitions used hardcoded figures.
760ac839
LW		 1486 * It is hoped these formula are more portable, although
1487 * no data one way or another is presently known to me.
1488 * The "PERL_" names are used because these calculated constants
1489 * do not meet the ANSI requirements for LONG_MAX, etc., which
1490 * need to be constants acceptable to #if - kja
1491 * define PERL_LONG_MAX 2147483647L
1492 * define PERL_LONG_MIN (-LONG_MAX - 1)
1493 * define PERL ULONG_MAX 4294967295L
1494 */
1495
1496#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1497# include <limits.h>
760ac839 1498#endif
205f51d8
AS		 1499/* Included values.h above if necessary; still including limits.h down here,
1500 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1501
99abf803 1502/*
1503 * Try to figure out max and min values for the integral types. THE CORRECT
1504 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1505 * following hacks are used if neither limits.h or values.h provide them:
1506 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1507 * for types < int: (unsigned TYPE)~(unsigned)0
1508 * The argument to ~ must be unsigned so that later signed->unsigned
1509 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1510 * and it must not be smaller than int because ~ does integral promotion.
1511 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1512 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1513 * The latter is a hack which happens to work on some machines but
1514 * does *not* catch any random system, or things like integer types
1515 * with NaN if that is possible.
1516 *
1517 * All of the types are explicitly cast to prevent accidental loss of
1518 * numeric range, and in the hope that they will be less likely to confuse
1519 * over-eager optimizers.
1520 *
1521 */
27d4fb96 1522
99abf803 1523#define PERL_UCHAR_MIN ((unsigned char)0)
1524
1525#ifdef UCHAR_MAX
1526# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1527#else
99abf803 1528# ifdef MAXUCHAR
1529# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1530# else
99abf803 1531# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1532# endif
1533#endif
d460ef45 1534
99abf803 1535/*
1536 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1537 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1538 * depending on local options. Until Configure detects this (or at least
1539 * detects whether the "signed" keyword is available) the CHAR ranges
1540 * will not be included. UCHAR functions normally.
1541 * - kja
1542 */
27d4fb96 1543
99abf803 1544#define PERL_USHORT_MIN ((unsigned short)0)
1545
1546#ifdef USHORT_MAX
1547# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1548#else
99abf803 1549# ifdef MAXUSHORT
1550# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1551# else
ef2f54b0
CB		 1552# ifdef USHRT_MAX
1553# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1554# else
1555# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1556# endif
27d4fb96 1557# endif
1558#endif
1559
27d4fb96 1560#ifdef SHORT_MAX
99abf803 1561# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1562#else
1563# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1564# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1565# else
ef2f54b0
CB		 1566# ifdef SHRT_MAX
1567# define PERL_SHORT_MAX ((short)SHRT_MAX)
1568# else
1569# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1570# endif
27d4fb96 1571# endif
1572#endif
1573
1574#ifdef SHORT_MIN
99abf803 1575# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1576#else
1577# ifdef MINSHORT
99abf803 1578# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1579# else
ef2f54b0
CB		 1580# ifdef SHRT_MIN
1581# define PERL_SHORT_MIN ((short)SHRT_MIN)
1582# else
1583# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1584# endif
27d4fb96 1585# endif
1586#endif
1587
99abf803 1588#ifdef UINT_MAX
1589# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1590#else
99abf803 1591# ifdef MAXUINT
1592# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1593# else
99abf803 1594# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1595# endif
1596#endif
1597
99abf803 1598#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1599
1600#ifdef INT_MAX
99abf803 1601# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1602#else
1603# ifdef MAXINT /* Often used in <values.h> */
99abf803 1604# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1605# else
99abf803 1606# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1607# endif
1608#endif
1609
1610#ifdef INT_MIN
99abf803 1611# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1612#else
1613# ifdef MININT
99abf803 1614# define PERL_INT_MIN ((int)MININT)
27d4fb96 1615# else
1616# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1617# endif
1618#endif
1619
99abf803 1620#ifdef ULONG_MAX
1621# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1622#else
99abf803 1623# ifdef MAXULONG
1624# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1625# else
99abf803 1626# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1627# endif
1628#endif
1629
99abf803 1630#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1631
760ac839 1632#ifdef LONG_MAX
99abf803 1633# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1634#else
1635# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1636# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1637# else
99abf803 1638# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1639# endif
1640#endif
1641
1642#ifdef LONG_MIN
99abf803 1643# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1644#else
1645# ifdef MINLONG
99abf803 1646# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1647# else
27d4fb96 1648# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1649# endif
1650#endif
1651
d7d93a81 1652#ifdef UV_IS_QUAD
99abf803 1653
99abf803 1654# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1655# define PERL_UQUAD_MIN ((UV)0)
99abf803 1656# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1657# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1658
79072805
LW		 1659#endif
1660
880b20b6
IZ		 1661struct perl_mstats {
1662 UV *nfree;
1663 UV *ntotal;
1664 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1665 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1666 IV minbucket;
1667 /* Level 1 info */
1668 UV *bucket_mem_size;
1669 UV *bucket_available_size;
1670 UV nbuckets;
1671};
830247a4 1672struct RExC_state_t;
880b20b6 1673
ee0007ab 1674typedef MEM_SIZE STRLEN;
450a55e4 1675
79072805
LW		 1676typedef struct op OP;
1677typedef struct cop COP;
1678typedef struct unop UNOP;
1679typedef struct binop BINOP;
1680typedef struct listop LISTOP;
1681typedef struct logop LOGOP;
79072805
LW		 1682typedef struct pmop PMOP;
1683typedef struct svop SVOP;
7934575e 1684typedef struct padop PADOP;
79072805 1685typedef struct pvop PVOP;
79072805
LW		 1686typedef struct loop LOOP;
1687
93a17b20 1688typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1689
1690/* Amdahl's <ksync.h> has struct sv */
1691/* SGI's <sys/sema.h> has struct sv */
1692#if defined(UTS) || defined(__sgi)
1693# define STRUCT_SV perl_sv
b8d3c5db
JH		 1694#else
1695# define STRUCT_SV sv
1696#endif
1697typedef struct STRUCT_SV SV;
79072805
LW		 1698typedef struct av AV;
1699typedef struct hv HV;
1700typedef struct cv CV;
378cc40b 1701typedef struct regexp REGEXP;
79072805 1702typedef struct gp GP;
0c30d9ec 1703typedef struct gv GV;
8990e307 1704typedef struct io IO;
c09156bb 1705typedef struct context PERL_CONTEXT;
79072805
LW		 1706typedef struct block BLOCK;
1707
1708typedef struct magic MAGIC;
ed6116ce 1709typedef struct xrv XRV;
79072805
LW		 1710typedef struct xpv XPV;
1711typedef struct xpviv XPVIV;
ff68c719 1712typedef struct xpvuv XPVUV;
79072805
LW		 1713typedef struct xpvnv XPVNV;
1714typedef struct xpvmg XPVMG;
1715typedef struct xpvlv XPVLV;
1716typedef struct xpvav XPVAV;
1717typedef struct xpvhv XPVHV;
1718typedef struct xpvgv XPVGV;
1719typedef struct xpvcv XPVCV;
1720typedef struct xpvbm XPVBM;
1721typedef struct xpvfm XPVFM;
8990e307 1722typedef struct xpvio XPVIO;
79072805
LW		 1723typedef struct mgvtbl MGVTBL;
1724typedef union any ANY;
5f7fde29
GS		 1725typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1726typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1727typedef struct clone_params CLONE_PARAMS;
1728
8d063cd8 1729
378cc40b 1730#include "handy.h"
a0d0e21e 1731
6b8eaf93 1732#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1733# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1734# define USE_64_BIT_RAWIO /* implicit */
1735# endif
4564133c
JH		 1736#endif
1737
6b8eaf93
JH		 1738/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1739 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1740 * however, because operating systems like to do that themself. */
1741#ifndef FSEEKSIZE
1742# ifdef HAS_FSEEKO
1743# define FSEEKSIZE LSEEKSIZE
1744# else
1745# define FSEEKSIZE LONGSIZE
d460ef45 1746# endif
6b8eaf93
JH		 1747#endif
1748
1749#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1750# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1751# define USE_64_BIT_STDIO /* implicit */
1752# endif
1753#endif
4564133c 1754
09458382 1755#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1756# ifdef HAS_OFF64_T
1757# undef Off_t
1758# define Off_t off64_t
1759# undef LSEEKSIZE
1760# define LSEEKSIZE 8
5ff3f7a4 1761# endif
d9b3e12d
JH		 1762/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1763 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1764 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1765# if defined(USE_OPEN64)
1766# define open open64
5ff3f7a4 1767# endif
d9b3e12d
JH		 1768# if defined(USE_LSEEK64)
1769# define lseek lseek64
6b8eaf93
JH		 1770# else
1771# if defined(USE_LLSEEK)
1772# define lseek llseek
1773# endif
d9b3e12d
JH		 1774# endif
1775# if defined(USE_STAT64)
1776# define stat stat64
1777# endif
1778# if defined(USE_FSTAT64)
1779# define fstat fstat64
1780# endif
1781# if defined(USE_LSTAT64)
1782# define lstat lstat64
1783# endif
1784# if defined(USE_FLOCK64)
1785# define flock flock64
1786# endif
1787# if defined(USE_LOCKF64)
1788# define lockf lockf64
1789# endif
1790# if defined(USE_FCNTL64)
1791# define fcntl fcntl64
1792# endif
1793# if defined(USE_TRUNCATE64)
1794# define truncate truncate64
1795# endif
1796# if defined(USE_FTRUNCATE64)
1797# define ftruncate ftruncate64
1798# endif
1799#endif
1800
1801#ifdef USE_64_BIT_STDIO
1802# ifdef HAS_FPOS64_T
1803# undef Fpos_t
1804# define Fpos_t fpos64_t
1805# endif
1806/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1807 * will trigger defines like the ones below. Some 64-bit environments,
1808 * however, do not. */
1809# if defined(USE_FOPEN64)
1810# define fopen fopen64
1811# endif
1812# if defined(USE_FSEEK64)
6b8eaf93 1813# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1814# endif
1815# if defined(USE_FTELL64)
6b8eaf93 1816# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1817# endif
1818# if defined(USE_FSETPOS64)
1819# define fsetpos fsetpos64
1820# endif
1821# if defined(USE_FGETPOS64)
1822# define fgetpos fgetpos64
1823# endif
1824# if defined(USE_TMPFILE64)
1825# define tmpfile tmpfile64
1826# endif
1827# if defined(USE_FREOPEN64)
1828# define freopen freopen64
5ff3f7a4
GS		 1829# endif
1830#endif
1831
af8b425d 1832#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1833# include "iperlsys.h"
1834#endif
1835
6f71a643 1836#if defined(__OPEN_VM)
19848b3f
JH		 1837# include "vmesa/vmesaish.h"
1838# define ISHISH "vmesa"
6f71a643
JH		 1839#endif
1840
748a9306 1841#ifdef DOSISH
19848b3f
JH		 1842# if defined(OS2)
1843# include "os2ish.h"
1844# else
1845# include "dosish.h"
1846# endif
1847# define ISHISH "dos"
1848#endif
1849
1850#if defined(VMS)
748a9306 1851# include "vmsish.h"
96e176bf 1852# include "embed.h"
19848b3f
JH		 1853# define ISHISH "vms"
1854#endif
1855
1856#if defined(PLAN9)
1857# include "./plan9/plan9ish.h"
1858# define ISHISH "plan9"
1859#endif
1860
1861#if defined(MPE)
1862# include "mpeix/mpeixish.h"
1863# define ISHISH "mpeix"
1864#endif
1865
1866#if defined(__VOS__)
196918b0
PG		 1867# ifdef __GNUC__
1868# include "./vos/vosish.h"
1869# else
1870# include "vos/vosish.h"
1871# endif
19848b3f
JH		 1872# define ISHISH "vos"
1873#endif
1874
1875#if defined(EPOC)
1876# include "epocish.h"
1877# define ISHISH "epoc"
1878#endif
1879
1880#if defined(MACOS_TRADITIONAL)
1881# include "macos/macish.h"
1882# ifndef NO_ENVIRON_ARRAY
1883# define NO_ENVIRON_ARRAY
0c30d9ec 1884# endif
19848b3f
JH		 1885# define ISHISH "macos classic"
1886#endif
1887
efca5cc6
JH		 1888#if defined(__BEOS__)
1889# include "beos/beosish.h"
1890# define ISHISH "beos"
1891#endif
1892
19848b3f
JH		 1893#ifndef ISHISH
1894# include "unixish.h"
1895# define ISHISH "unix"
13b6e58c
JH		 1896#endif
1897
1898#ifndef NO_ENVIRON_ARRAY
1899# define USE_ENVIRON_ARRAY
1900#endif
32f822de 1901
c77b533b
JH		 1902/*
1903 * initialise to avoid floating-point exceptions from overflow, etc
1904 */
1905#ifndef PERL_FPU_INIT
1906# ifdef HAS_FPSETMASK
1907# if HAS_FLOATINGPOINT_H
1908# include <floatingpoint.h>
1909# endif
1910# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1911# else
7014c407
JH		 1912# if defined(SIGFPE) && defined(SIG_IGN)
1913# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1914# else
1915# define PERL_FPU_INIT
1916# endif
c77b533b
JH		 1917# endif
1918#endif
1919
ed344e4f
IZ		 1920#ifndef PERL_SYS_INIT3
1921# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1922#endif
1923
be708cc0
JH		 1924#ifndef PERL_WRITE_MSG_TO_CONSOLE
1925# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1926#endif
1927
0f31cffe
GS		 1928#ifndef MAXPATHLEN
1929# ifdef PATH_MAX
b990c8b2
JH		 1930# ifdef _POSIX_PATH_MAX
1931# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1932/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1933 * included the null byte or not. Later amendments of POSIX,
1934 * XPG4, the Austin Group, and the Single UNIX Specification
1935 * all explicitly include the null byte in the PATH_MAX.
1936 * Ditto for _POSIX_PATH_MAX. */
1937# define MAXPATHLEN PATH_MAX
b990c8b2 1938# else
09448d78 1939# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1940# endif
1941# else
1942# define MAXPATHLEN (PATH_MAX+1)
1943# endif
0f31cffe 1944# else
b990c8b2 1945# ifdef _POSIX_PATH_MAX
09448d78 1946# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1947# else
1948# define MAXPATHLEN 1024 /* Err on the large side. */
1949# endif
0f31cffe
GS		 1950# endif
1951#endif
1952
3db8f154 1953/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1954 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1955 * this results in many functions being undeclared which bothers C++
1956 * May make sense to have threads after "*ish.h" anyway
1957 */
1958
3db8f154 1959#if defined(USE_ITHREADS)
2986a63f
JH		 1960# ifdef NETWARE
1961# include <nw5thread.h>
1962# else
32f822de
GS		 1963# ifdef FAKE_THREADS
1964# include "fakethr.h"
1965# else
1966# ifdef WIN32
1967# include <win32thread.h>
1968# else
dd96f567
IZ		 1969# ifdef OS2
1970# include "os2thread.h"
1971# else
7f3d1cf1 1972# ifdef I_MACH_CTHREADS
bdd66968 1973# include <mach/cthreads.h>
8f1f23e8 1974# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1975# define MUTEX_INIT_CALLS_MALLOC
1976# endif
7f3d1cf1
BH		 1977typedef cthread_t perl_os_thread;
1978typedef mutex_t perl_mutex;
1979typedef condition_t perl_cond;
1980typedef void * perl_key;
1981# else /* Posix threads */
1f5ae88c
JH		 1982# ifdef I_PTHREAD
1983# include <pthread.h>
1984# endif
7f3d1cf1
BH		 1985typedef pthread_t perl_os_thread;
1986typedef pthread_mutex_t perl_mutex;
1987typedef pthread_cond_t perl_cond;
1988typedef pthread_key_t perl_key;
1989# endif /* I_MACH_CTHREADS */
dd96f567 1990# endif /* OS2 */
32f822de
GS		 1991# endif /* WIN32 */
1992# endif /* FAKE_THREADS */
2986a63f 1993#endif /* NETWARE */
3db8f154 1994#endif /* USE_ITHREADS */
c5be433b 1995
66a93824 1996#if defined(WIN32)
1feb2720 1997# include "win32.h"
c5be433b
GS		 1998#endif
1999
2986a63f
JH		 2000#ifdef NETWARE
2001# include "netware.h"
2002#endif
2003
68dc0745 2004#ifdef VMS
6b88bc9c 2005# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2006# define STATUS_NATIVE_EXPORT \
d98f61e7 2007 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2008# define STATUS_NATIVE_SET(n) \
2009 STMT_START { \
6b88bc9c
GS		 2010 PL_statusvalue_vms = (n); \
2011 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2012 PL_statusvalue = -1; \
6b88bc9c 2013 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2014 PL_statusvalue = 0; \
6b88bc9c
GS		 2015 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2016 PL_statusvalue = 1 << 8; \
68dc0745 2017 else \
6b88bc9c 2018 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2019 } STMT_END
3280af22 2020# define STATUS_POSIX PL_statusvalue
68dc0745 2021# ifdef VMSISH_STATUS
2022# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2023# else
2024# define STATUS_CURRENT STATUS_POSIX
2025# endif
2026# define STATUS_POSIX_SET(n) \
2027 STMT_START { \
3280af22
NIS		 2028 PL_statusvalue = (n); \
2029 if (PL_statusvalue != -1) { \
2030 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2031 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2032 } \
6b88bc9c 2033 else PL_statusvalue_vms = -1; \
68dc0745 2034 } STMT_END
6b88bc9c
GS		 2035# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2036# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2037#else
2038# define STATUS_NATIVE STATUS_POSIX
2039# define STATUS_NATIVE_EXPORT STATUS_POSIX
2040# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2041# define STATUS_POSIX PL_statusvalue
68dc0745 2042# define STATUS_POSIX_SET(n) \
2043 STMT_START { \
3280af22
NIS		 2044 PL_statusvalue = (n); \
2045 if (PL_statusvalue != -1) \
2046 PL_statusvalue &= 0xFFFF; \
68dc0745 2047 } STMT_END
2048# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2049# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2050# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2051#endif
2052
cc3604b1
GS		 2053/* flags in PL_exit_flags for nature of exit() */
2054#define PERL_EXIT_EXPECTED 0x01
31d77e54 2055#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2056
0b94c7bb 2057#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2058# define MEMBER_TO_FPTR(name) name
2059#endif
2060
2061/* format to use for version numbers in file/directory names */
273cf8d1 2062/* XXX move to Configure? */
a7cb1f99 2063#ifndef PERL_FS_VER_FMT
273cf8d1 2064# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2065#endif
2066
45bc9206 2067/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2068 * performance issue, so we allow people to disable it. Also, if
2069 * we are using stdio, there are broken implementations of fflush(NULL)
2070 * out there, Solaris being the most prominent.
45bc9206
GS		 2071 */
2072#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2073# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2074# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2075# else
2076# ifdef FFLUSH_ALL
2077# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2078# else
c5be433b 2079# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2080# endif
66fe083f 2081# endif
45bc9206
GS		 2082#endif
2083
7766f137
GS		 2084#ifndef PERL_WAIT_FOR_CHILDREN
2085# define PERL_WAIT_FOR_CHILDREN NOOP
2086#endif
2087
ba869deb 2088/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2089#ifndef PERL_SET_INTERP
2090# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2091#endif
2092
2093#ifndef PERL_GET_INTERP
2094# define PERL_GET_INTERP (PL_curinterp)
2095#endif
2096
54aff467 2097#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2098# ifdef MULTIPLICITY
ba869deb 2099# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2100# endif
ba869deb
GS		 2101# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2102#endif
2103
894356b3
GS		 2104#ifndef SVf
2105# ifdef CHECK_FORMAT
2106# define SVf "p"
2107# else
2108# define SVf "_"
d460ef45 2109# endif
894356b3
GS		 2110#endif
2111
d2560b70
RB		 2112#ifndef UVf
2113# ifdef CHECK_FORMAT
2114# define UVf UVuf
2115# else
2116# define UVf "Vu"
d460ef45 2117# endif
d2560b70
RB		 2118#endif
2119
2120#ifndef VDf
2121# ifdef CHECK_FORMAT
2122# define VDf "p"
2123# else
2124# define VDf "vd"
d460ef45 2125# endif
d2560b70
RB		 2126#endif
2127
b3fe4827
RB		 2128#ifndef Nullformat
2129# ifdef CHECK_FORMAT
2130# define Nullformat "%s",""
2131# else
2132# define Nullformat Nullch
2133# endif
2134#endif
2135
3fc1aec6 2136/* Some unistd.h's give a prototype for pause() even though
2137 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2138 below to be rejected by the compiler. Sigh.
3fc1aec6 2139*/
2140#ifdef HAS_PAUSE
2141#define Pause pause
2142#else
2143#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2144#endif
2145
2146#ifndef IOCPARM_LEN
2147# ifdef IOCPARM_MASK
2148 /* on BSDish systes we're safe */
2149# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2150# else
2151 /* otherwise guess at what's safe */
2152# define IOCPARM_LEN(x) 256
2153# endif
a0d0e21e
LW		 2154#endif
2155
1761cee5 2156#if defined(__CYGWIN__)
521e0776
GS		 2157/* USEMYBINMODE
2158 * This symbol, if defined, indicates that the program should
16fe6d59 2159 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2160 * that a file is in "binary" mode -- that is, that no translation
2161 * of bytes occurs on read or write operations.
2162 */
2163# define USEMYBINMODE / **/
16fe6d59
GS		 2164# define my_binmode(fp, iotype, mode) \
2165 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2166#endif
2167
cea2e8a9
GS		 2168#ifdef UNION_ANY_DEFINITION
2169UNION_ANY_DEFINITION;
2170#else
2171union any {
2172 void* any_ptr;
2173 I32 any_i32;
2174 IV any_iv;
2175 long any_long;
c76ac1ee 2176 void (*any_dptr) (void*);
acfe0abc 2177 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2178};
2179#endif
2180
acfe0abc 2181typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2182
2183#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2184#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2185#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2186
c5078cac
JH		 2187#if defined(_AIX) && !defined(_AIX43)
2188#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2189/* We cannot include <crypt.h> to get the struct crypt_data
2190 * because of setkey prototype problems when threading */
2191typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2192 /* From OSF, Not needed in AIX
2193 char C[28], D[28];
2194 */
2195 char E[48];
2196 char KS[16][48];
2197 char block[66];
2198 char iobuf[16];
2199} CRYPTD;
2200#endif /* threading */
2201#endif /* AIX */
2202
af8b425d 2203#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2204# include "iperlsys.h"
2205#endif
378cc40b 2206#include "regexp.h"
79072805 2207#include "sv.h"
378cc40b 2208#include "util.h"
8d063cd8 2209#include "form.h"
79072805 2210#include "gv.h"
dd2155a4 2211#include "pad.h"
79072805 2212#include "cv.h"
abdd5c84 2213#include "opnames.h"
79072805
LW		 2214#include "op.h"
2215#include "cop.h"
2216#include "av.h"
2217#include "hv.h"
2218#include "mg.h"
2219#include "scope.h"
4438c4b7 2220#include "warnings.h"
a0ed51b3 2221#include "utf8.h"
8d063cd8 2222
7fae4e64
GS		 2223/* Current curly descriptor */
2224typedef struct curcur CURCUR;
2225struct curcur {
2226 int parenfloor; /* how far back to strip paren data */
2227 int cur; /* how many instances of scan we've matched */
2228 int min; /* the minimal number of scans to match */
2229 int max; /* the maximal number of scans to match */
2230 int minmod; /* whether to work our way up or down */
2231 regnode * scan; /* the thing to match */
2232 regnode * next; /* what has to match after it */
2233 char * lastloc; /* where we started matching this scan */
2234 CURCUR * oldcc; /* current curly before we started this one */
2235};
2236
2237typedef struct _sublex_info SUBLEXINFO;
2238struct _sublex_info {
2239 I32 super_state; /* lexer state to save */
2240 I32 sub_inwhat; /* "lex_inwhat" to use */
2241 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2242 char *super_bufptr; /* PL_bufptr that was */
2243 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2244};
2245
455ece5e 2246typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2247
2c2d71f5 2248struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2249struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2250
2251typedef I32 CHECKPOINT;
76e3520e 2252
5f7fde29
GS		 2253struct ptr_tbl_ent {
2254 struct ptr_tbl_ent* next;
2255 void* oldval;
2256 void* newval;
d18c6117
GS		 2257};
2258
5f7fde29
GS		 2259struct ptr_tbl {
2260 struct ptr_tbl_ent** tbl_ary;
2261 UV tbl_max;
2262 UV tbl_items;
d18c6117
GS		 2263};
2264
450a55e4 2265#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2266# define I286
2267#endif
2268
fe14fcc3
LW		 2269#if defined(htonl) && !defined(HAS_HTONL)
2270#define HAS_HTONL
ae986130 2271#endif
fe14fcc3
LW		 2272#if defined(htons) && !defined(HAS_HTONS)
2273#define HAS_HTONS
ae986130 2274#endif
fe14fcc3
LW		 2275#if defined(ntohl) && !defined(HAS_NTOHL)
2276#define HAS_NTOHL
ae986130 2277#endif
fe14fcc3
LW		 2278#if defined(ntohs) && !defined(HAS_NTOHS)
2279#define HAS_NTOHS
ae986130 2280#endif
fe14fcc3 2281#ifndef HAS_HTONL
d9d8d8de 2282#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2283#define HAS_HTONS
2284#define HAS_HTONL
2285#define HAS_NTOHS
2286#define HAS_NTOHL
a687059c
LW		 2287#define MYSWAP
2288#define htons my_swap
2289#define htonl my_htonl
2290#define ntohs my_swap
2291#define ntohl my_ntohl
2292#endif
2293#else
d9d8d8de 2294#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2295#undef HAS_HTONS
2296#undef HAS_HTONL
2297#undef HAS_NTOHS
2298#undef HAS_NTOHL
a687059c
LW		 2299#endif
2300#endif
2301
988174c1
LW		 2302/*
2303 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2304 * -DWS
2305 */
2306#if BYTEORDER != 0x1234
2307# define HAS_VTOHL
2308# define HAS_VTOHS
2309# define HAS_HTOVL
2310# define HAS_HTOVS
c67712b2 2311# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2312# define vtohl(x) ((((x)&0xFF)<<24) \
2313 +(((x)>>24)&0xFF) \
2314 +(((x)&0x0000FF00)<<8) \
2315 +(((x)&0x00FF0000)>>8) )
2316# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2317# define htovl(x) vtohl(x)
2318# define htovs(x) vtohs(x)
2319# endif
2320 /* otherwise default to functions in util.c */
2a8c3029 2321#ifndef htovs
c623ac67
GS		 2322short htovs(short n);
2323short vtohs(short n);
2324long htovl(long n);
2325long vtohl(long n);
988174c1 2326#endif
2a8c3029 2327#endif
988174c1 2328
3bb7c1b4
JH		 2329/* *MAX Plus 1. A floating point value.
2330 Hopefully expressed in a way that dodgy floating point can't mess up.
2331 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2332 is added to it
2333 May find that some broken compiler will want the value cast to I32.
2334 [after the shift, as signed >> may not be as secure as unsigned >>]
2335*/
2336#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2337#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2338/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2339 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2340 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2341*/
2342#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2343
3bb7c1b4
JH		 2344#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2345#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2346#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2347
2348/* This may look like unnecessary jumping through hoops, but converting
2349 out of range floating point values to integers *is* undefined behaviour,
2350 and it is starting to bite.
2351*/
2352#ifndef CAST_INLINE
65202027 2353#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2354#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2355#define I_V(what) (cast_iv((NV)(what)))
2356#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2357#else
2358#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2359 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2360 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2361#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2362 : ((n) < U32_MAX_P1 ? (U32) (n) \
2363 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2364#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2365 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2366 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2367#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2368 : ((n) < UV_MAX_P1 ? (UV) (n) \
2369 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2370#endif
2371
2372#define U_S(what) ((U16)U_32(what))
2373#define U_I(what) ((unsigned int)U_32(what))
2374#define U_L(what) U_32(what)
ed6116ce 2375
2d4389e4
JH		 2376/* These do not care about the fractional part, only about the range. */
2377#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2378#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2379
25da4f38
IZ		 2380/* Used with UV/IV arguments: */
2381 /* XXXX: need to speed it up */
2382#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2383#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2384
352d5a3a
LW		 2385#ifndef MAXSYSFD
2386# define MAXSYSFD 2
2387#endif
ee0007ab 2388
79072805 2389#ifndef __cplusplus
e1caacb4 2390#ifndef UNDER_CE
20ce7b12
GS		 2391Uid_t getuid (void);
2392Uid_t geteuid (void);
2393Gid_t getgid (void);
2394Gid_t getegid (void);
79072805 2395#endif
e1caacb4 2396#endif
8d063cd8 2397
0c30d9ec 2398#ifndef Perl_debug_log
bf49b057
GS		 2399# define Perl_debug_log PerlIO_stderr()
2400#endif
2401
2402#ifndef Perl_error_log
2403# define Perl_error_log (PL_stderrgv \
6b78add2 2404 && isGV(PL_stderrgv) \
01bb7c6d 2405 && GvIOp(PL_stderrgv) \
42de951c 2406 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2407 ? IoOFP(GvIOp(PL_stderrgv)) \
2408 : PerlIO_stderr())
0c30d9ec 2409#endif
3967c732 2410
aea4f609
DM		 2411
2412#define DEBUG_p_FLAG 0x00000001 /* 1 */
2413#define DEBUG_s_FLAG 0x00000002 /* 2 */
2414#define DEBUG_l_FLAG 0x00000004 /* 4 */
2415#define DEBUG_t_FLAG 0x00000008 /* 8 */
2416#define DEBUG_o_FLAG 0x00000010 /* 16 */
2417#define DEBUG_c_FLAG 0x00000020 /* 32 */
2418#define DEBUG_P_FLAG 0x00000040 /* 64 */
2419#define DEBUG_m_FLAG 0x00000080 /* 128 */
2420#define DEBUG_f_FLAG 0x00000100 /* 256 */
2421#define DEBUG_r_FLAG 0x00000200 /* 512 */
2422#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2423#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2424#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2425#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2426#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2427#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2428#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2429#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2430#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2431#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2432#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2433#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM		 2434
2435#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2436#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2437 that something was done? */
aea4f609 2438
bd16a5f0
IZ		 2439# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2440# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2441# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2442# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2443# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2444# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2445# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2446# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2447# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2448# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2449# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2450# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2451# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2452# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2453# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2454# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2455# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2456# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2457# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2458# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2459# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2460# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2461
3967c732 2462#ifdef DEBUGGING
aea4f609
DM		 2463
2464# undef YYDEBUG
2465# define YYDEBUG 1
2466
bd16a5f0
IZ		 2467# define DEBUG_p_TEST DEBUG_p_TEST_
2468# define DEBUG_s_TEST DEBUG_s_TEST_
2469# define DEBUG_l_TEST DEBUG_l_TEST_
2470# define DEBUG_t_TEST DEBUG_t_TEST_
2471# define DEBUG_o_TEST DEBUG_o_TEST_
2472# define DEBUG_c_TEST DEBUG_c_TEST_
2473# define DEBUG_P_TEST DEBUG_P_TEST_
2474# define DEBUG_m_TEST DEBUG_m_TEST_
2475# define DEBUG_f_TEST DEBUG_f_TEST_
2476# define DEBUG_r_TEST DEBUG_r_TEST_
2477# define DEBUG_x_TEST DEBUG_x_TEST_
2478# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2479# define DEBUG_H_TEST DEBUG_H_TEST_
2480# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2481# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2482# define DEBUG_D_TEST DEBUG_D_TEST_
2483# define DEBUG_S_TEST DEBUG_S_TEST_
2484# define DEBUG_T_TEST DEBUG_T_TEST_
2485# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2486# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2487# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2488# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM		 2489
2490# define DEB(a) a
2491# define DEBUG(a) if (PL_debug) a
2492# define DEBUG_p(a) if (DEBUG_p_TEST) a
2493# define DEBUG_s(a) if (DEBUG_s_TEST) a
2494# define DEBUG_l(a) if (DEBUG_l_TEST) a
2495# define DEBUG_t(a) if (DEBUG_t_TEST) a
2496# define DEBUG_o(a) if (DEBUG_o_TEST) a
2497# define DEBUG_c(a) if (DEBUG_c_TEST) a
2498# define DEBUG_P(a) if (DEBUG_P_TEST) a
2499
969058bb
VK		 2500 /* Temporarily turn off memory debugging in case the a
2501 * does memory allocation, either directly or indirectly. */
acfe0abc 2502# define DEBUG_m(a) \
0b250b9e 2503 STMT_START { \
aea4f609 2504 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2505 } STMT_END
aea4f609 2506
5f80b19c
AMS		 2507# define DEBUG__(t, a) \
2508 STMT_START { \
2509 if (t) STMT_START {a;} STMT_END; \
2510 } STMT_END
2511
2512# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2513# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2514# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2515# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2516# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2517# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2518# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2519# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2520
3db8f154 2521# define DEBUG_S(a)
aea4f609 2522
5f80b19c
AMS		 2523# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2524# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2525# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2526# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2527
2528#else /* DEBUGGING */
2529
2530# define DEBUG_p_TEST (0)
2531# define DEBUG_s_TEST (0)
2532# define DEBUG_l_TEST (0)
2533# define DEBUG_t_TEST (0)
2534# define DEBUG_o_TEST (0)
2535# define DEBUG_c_TEST (0)
2536# define DEBUG_P_TEST (0)
2537# define DEBUG_m_TEST (0)
2538# define DEBUG_f_TEST (0)
2539# define DEBUG_r_TEST (0)
2540# define DEBUG_x_TEST (0)
2541# define DEBUG_u_TEST (0)
aea4f609
DM		 2542# define DEBUG_H_TEST (0)
2543# define DEBUG_X_TEST (0)
dd2155a4 2544# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2545# define DEBUG_D_TEST (0)
2546# define DEBUG_S_TEST (0)
2547# define DEBUG_T_TEST (0)
04932ac8 2548# define DEBUG_R_TEST (0)
1045810a 2549# define DEBUG_J_TEST (0)
d6721266 2550# define DEBUG_v_TEST (0)
46187eeb 2551# define DEBUG_C_TEST (0)
aea4f609
DM		 2552
2553# define DEB(a)
2554# define DEBUG(a)
2555# define DEBUG_p(a)
2556# define DEBUG_s(a)
2557# define DEBUG_l(a)
2558# define DEBUG_t(a)
2559# define DEBUG_o(a)
2560# define DEBUG_c(a)
2561# define DEBUG_P(a)
2562# define DEBUG_m(a)
2563# define DEBUG_f(a)
2564# define DEBUG_r(a)
2565# define DEBUG_x(a)
2566# define DEBUG_u(a)
aea4f609
DM		 2567# define DEBUG_H(a)
2568# define DEBUG_X(a)
dd2155a4 2569# define DEBUG_Xv(a)
aea4f609
DM		 2570# define DEBUG_D(a)
2571# define DEBUG_S(a)
2572# define DEBUG_T(a)
04932ac8 2573# define DEBUG_R(a)
d6721266 2574# define DEBUG_v(a)
46187eeb 2575# define DEBUG_C(a)
aea4f609
DM		 2576#endif /* DEBUGGING */
2577
2578
d1be9408 2579/* These constants should be used in preference to raw characters
14befaf4
DM		 2580 * when using magic. Note that some perl guts still assume
2581 * certain character properties of these constants, namely that
2582 * isUPPER() and toLOWER() may do useful mappings.
2583 *
2584 * Update the magic_names table in dump.c when adding/amending these
2585 */
2586
2587#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2588#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2589#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2590#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2591#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2592#define PERL_MAGIC_regdata 'D' /* Regex match position data
2593 (@+ and @- vars) */
2594#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2595#define PERL_MAGIC_env 'E' /* %ENV hash */
2596#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2597#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2598#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2599#define PERL_MAGIC_isa 'I' /* @ISA array */
2600#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2601#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2602#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2603#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2604#define PERL_MAGIC_mutex 'm' /* for lock op */
2605#define PERL_MAGIC_shared 'N' /* Shared between threads */
2606#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2607#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2608#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2609#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2610#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2611#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2612#define PERL_MAGIC_sig 'S' /* %SIG hash */
2613#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2614#define PERL_MAGIC_taint 't' /* Taintedness */
2615#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2616#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2617#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2618#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
14befaf4
DM		 2619#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2620#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2621 smart parameter vivification */
2622#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2623#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2624#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2625#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2626#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2627
2628
fe14fcc3 2629#define YYMAXDEPTH 300
8d063cd8 2630
a6e633de 2631#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2632#ifdef DEBUGGING
2633#define assert(what) DEB( { \
2634 if (!(what)) { \
2635 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2636 __FILE__, __LINE__); \
2637 PerlProc_exit(1); \
2638 }})
2639#else
79072805
LW		 2640#define assert(what) DEB( { \
2641 if (!(what)) { \
cea2e8a9 2642 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2643 __FILE__, __LINE__); \
cea2e8a9 2644 PerlProc_exit(1); \
79072805 2645 }})
a6e633de 2646#endif
a446a88f 2647#endif
8d063cd8 2648
450a55e4 2649struct ufuncs {
24f81a43
DM		 2650 I32 (*uf_val)(pTHX_ IV, SV*);
2651 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2652 IV uf_index;
450a55e4
LW		 2653};
2654
14befaf4 2655/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2656 * XS code wanting to be backward compatible can do something
2657 * like the following:
c745e42c 2658
24f81a43 2659#ifndef PERL_MG_UFUNC
24f81a43
DM		 2660#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2661#endif
2662
2663static PERL_MG_UFUNC(foo_get, index, val)
2664{
2665 sv_setsv(val, ...);
2666 return TRUE;
2667}
2668
2669-- Doug MacEachern
2670
2671*/
2672
fc9c74e6 2673#ifndef PERL_MG_UFUNC
24f81a43 2674#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2675#endif
24f81a43 2676
fe14fcc3 2677/* Fix these up for __STDC__ */
68dc0745 2678#ifndef DONT_DECLARE_STD
20ce7b12 2679char *mktemp (char*);
37bd1396 2680#ifndef atof
20ce7b12 2681double atof (const char*);
a0d0e21e 2682#endif
37bd1396 2683#endif
79072805 2684
352d5a3a 2685#ifndef STANDARD_C
fe14fcc3 2686/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2687Time_t time();
8d063cd8 2688struct tm *gmtime(), *localtime();
092bebab 2689#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2690char *(strchr)(), *(strrchr)();
2691char *(strcpy)(), *(strcat)();
2692#else
93a17b20 2693char *strchr(), *strrchr();
378cc40b 2694char *strcpy(), *strcat();
9d116dd7 2695#endif
352d5a3a 2696#endif /* ! STANDARD_C */
8d063cd8 2697
79072805
LW		 2698
2699#ifdef I_MATH
2700# include <math.h>
2701#else
32f822de 2702START_EXTERN_C
20ce7b12
GS		 2703 double exp (double);
2704 double log (double);
2705 double log10 (double);
2706 double sqrt (double);
2707 double frexp (double,int*);
2708 double ldexp (double,int);
2709 double modf (double,double*);
2710 double sin (double);
2711 double cos (double);
2712 double atan2 (double,double);
2713 double pow (double,double);
32f822de 2714END_EXTERN_C
79072805
LW		 2715#endif
2716
aa8b85de
JH		 2717#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2718# define NV_INF LDBL_INFINITY
2719#endif
2720#if !defined(NV_INF) && defined(DBL_INFINITY)
2721# define NV_INF (NV)DBL_INFINITY
2722#endif
2723#if !defined(NV_INF) && defined(INFINITY)
2724# define NV_INF (NV)INFINITY
2725#endif
2726#if !defined(NV_INF) && defined(INF)
2727# define NV_INF (NV)INF
2728#endif
2729#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2730# define NV_INF (NV)HUGE_VALL
2731#endif
2732#if !defined(NV_INF) && defined(HUGE_VAL)
2733# define NV_INF (NV)HUGE_VAL
2734#endif
2735
2736#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2737# if !defined(NV_NAN) && defined(LDBL_NAN)
2738# define NV_NAN LDBL_NAN
2739# endif
2740# if !defined(NV_NAN) && defined(LDBL_QNAN)
2741# define NV_NAN LDBL_QNAN
2742# endif
2743# if !defined(NV_NAN) && defined(LDBL_SNAN)
2744# define NV_NAN LDBL_SNAN
2745# endif
2746#endif
2747#if !defined(NV_NAN) && defined(DBL_NAN)
2748# define NV_NAN (NV)DBL_NAN
2749#endif
2750#if !defined(NV_NAN) && defined(DBL_QNAN)
2751# define NV_NAN (NV)DBL_QNAN
2752#endif
2753#if !defined(NV_NAN) && defined(DBL_SNAN)
2754# define NV_NAN (NV)DBL_SNAN
2755#endif
2756#if !defined(NV_NAN) && defined(QNAN)
2757# define NV_NAN (NV)QNAN
2758#endif
2759#if !defined(NV_NAN) && defined(SNAN)
2760# define NV_NAN (NV)SNAN
2761#endif
2762#if !defined(NV_NAN) && defined(NAN)
2763# define NV_NAN (NV)NAN
2764#endif
2765
a0d0e21e 2766#ifndef __cplusplus
8f1f23e8 2767# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2768char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2769# else
fd8cd3a3 2770# if !defined(WIN32) && !defined(VMS)
10bc17b6 2771#ifndef crypt
20ce7b12 2772char *crypt (const char*, const char*);
10bc17b6 2773#endif
5014db98 2774# endif /* !WIN32 */
8f1f23e8 2775# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2776# ifndef DONT_DECLARE_STD
2777# ifndef getenv
20ce7b12 2778char *getenv (const char*);
26618a56 2779# endif /* !getenv */
28ca6303 2780# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2781# ifdef _FILE_OFFSET_BITS
28ca6303 2782# if _FILE_OFFSET_BITS == 64
20ce7b12 2783Off_t lseek (int,Off_t,int);
0fc67700
JH		 2784# endif
2785# endif
bf0c440f 2786# endif
26618a56 2787# endif /* !DONT_DECLARE_STD */
10bc17b6 2788#ifndef getlogin
20ce7b12 2789char *getlogin (void);
10bc17b6 2790#endif
26618a56 2791#endif /* !__cplusplus */
79072805 2792
16d20bd9 2793#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2794#define UNLINK unlnk
20ce7b12 2795I32 unlnk (char*);
8d063cd8 2796#else
80252599 2797#define UNLINK PerlLIO_unlink
8d063cd8 2798#endif
a687059c 2799
fa0a29af
JH		 2800/* some versions of glibc are missing the setresuid() proto */
2801#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2802int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2803#endif
fa0a29af
JH		 2804/* some versions of glibc are missing the setresgid() proto */
2805#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2806int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2807#endif
2808
fe14fcc3 2809#ifndef HAS_SETREUID
85e6fe83
LW		 2810# ifdef HAS_SETRESUID
2811# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2812# define HAS_SETREUID
2813# endif
a687059c 2814#endif
fe14fcc3 2815#ifndef HAS_SETREGID
85e6fe83
LW		 2816# ifdef HAS_SETRESGID
2817# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2818# define HAS_SETREGID
2819# endif
a687059c 2820#endif
ee0007ab 2821
d543acb6 2822/* Sighandler_t defined in iperlsys.h */
ff68c719 2823
2824#ifdef HAS_SIGACTION
2825typedef struct sigaction Sigsave_t;
2826#else
2827typedef Sighandler_t Sigsave_t;
2828#endif
2829
ee0007ab
LW		 2830#define SCAN_DEF 0
2831#define SCAN_TR 1
2832#define SCAN_REPL 2
79072805
LW		 2833
2834#ifdef DEBUGGING
4633a7c4 2835# ifndef register
a0d0e21e
LW		 2836# define register
2837# endif
cea2e8a9 2838# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2839#else
cea2e8a9 2840# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2841#endif
2842
18f739ee 2843#ifdef MYMALLOC
772fe5b3 2844# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2845# define MALLOC_INIT \
2846 STMT_START { \
2847 PL_malloc_mutex = NULL; \
2848 MUTEX_INIT(&PL_malloc_mutex); \
2849 } STMT_END
2850# define MALLOC_TERM \
2851 STMT_START { \
2852 perl_mutex tmp = PL_malloc_mutex; \
2853 PL_malloc_mutex = NULL; \
2854 MUTEX_DESTROY(&tmp); \
2855 } STMT_END
2856# else
2857# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2858# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2859# endif
18f739ee
IZ		 2860#else
2861# define MALLOC_INIT
2862# define MALLOC_TERM
2863#endif
2864
b6d9d515 2865
0cb96387 2866typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2867typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2868typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2869typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2870
940cb80d 2871/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2872#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2873
8f1f23e8
W		 2874/* NeXT has problems with crt0.o globals */
2875#if defined(__DYNAMIC__) && \
2876 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2877# if defined(NeXT) || defined(__NeXT)
2878# include <mach-o/dyld.h>
2879# define environ (*environ_pointer)
0c30d9ec 2880EXT char *** environ_pointer;
8f1f23e8 2881# else
82cabb9e 2882# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2883# include <crt_externs.h> /* for the env array */
2884# define environ (*_NSGetEnviron())
2885# endif
0c30d9ec 2886# endif
8f1f23e8
W		 2887#else
2888 /* VMS and some other platforms don't use the environ array */
13b6e58c 2889# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2890# if !defined(DONT_DECLARE_STD) || \
2891 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2892 defined(__sgi) || \
d460ef45 2893 defined(__DGUX)
8f1f23e8 2894extern char ** environ; /* environment variables supplied via exec */
a6c40364 2895# endif
8f1f23e8
W		 2896# endif
2897#endif
79072805 2898
73c4f7a1
GS		 2899START_EXTERN_C
2900
79072805 2901/* handy constants */
22c35a8c 2902EXTCONST char PL_warn_uninit[]
b89fed5f 2903 INIT("Use of uninitialized value%s%s");
22c35a8c 2904EXTCONST char PL_warn_nosemi[]
463ee0b2 2905 INIT("Semicolon seems to be missing");
22c35a8c 2906EXTCONST char PL_warn_reserved[]
463ee0b2 2907 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2908EXTCONST char PL_warn_nl[]
93a17b20 2909 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2910EXTCONST char PL_no_wrongref[]
a0d0e21e 2911 INIT("Can't use %s ref as %s ref");
22c35a8c 2912EXTCONST char PL_no_symref[]
748a9306 2913 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2914EXTCONST char PL_no_usym[]
8990e307 2915 INIT("Can't use an undefined value as %s reference");
22c35a8c 2916EXTCONST char PL_no_aelem[]
93a17b20 2917 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2918EXTCONST char PL_no_helem[]
93a17b20 2919 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2920EXTCONST char PL_no_modify[]
93a17b20 2921 INIT("Modification of a read-only value attempted");
22c35a8c 2922EXTCONST char PL_no_mem[]
93a17b20 2923 INIT("Out of memory!\n");
22c35a8c 2924EXTCONST char PL_no_security[]
463ee0b2 2925 INIT("Insecure dependency in %s%s");
22c35a8c 2926EXTCONST char PL_no_sock_func[]
93a17b20 2927 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2928EXTCONST char PL_no_dir_func[]
93a17b20 2929 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2930EXTCONST char PL_no_func[]
93a17b20 2931 INIT("The %s function is unimplemented");
22c35a8c 2932EXTCONST char PL_no_myglob[]
748a9306 2933 INIT("\"my\" variable %s can't be in a package");
93a17b20 2934
7575fa06 2935EXTCONST char PL_uuemap[65]
80252599
GS		 2936 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2937
2938
79072805 2939#ifdef DOINIT
22c35a8c
GS		 2940EXT char *PL_sig_name[] = { SIG_NAME };
2941EXT int PL_sig_num[] = { SIG_NUM };
79072805 2942#else
22c35a8c
GS		 2943EXT char *PL_sig_name[];
2944EXT int PL_sig_num[];
79072805
LW		 2945#endif
2946
3bd709b1 2947/* fast conversion and case folding tables */
bbce6d69 2948
79072805 2949#ifdef DOINIT
9d116dd7 2950#ifdef EBCDIC
22c35a8c 2951EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2952 0, 1, 2, 3, 4, 5, 6, 7,
2953 8, 9, 10, 11, 12, 13, 14, 15,
2954 16, 17, 18, 19, 20, 21, 22, 23,
2955 24, 25, 26, 27, 28, 29, 30, 31,
2956 32, 33, 34, 35, 36, 37, 38, 39,
2957 40, 41, 42, 43, 44, 45, 46, 47,
2958 48, 49, 50, 51, 52, 53, 54, 55,
2959 56, 57, 58, 59, 60, 61, 62, 63,
2960 64, 65, 66, 67, 68, 69, 70, 71,
2961 72, 73, 74, 75, 76, 77, 78, 79,
2962 80, 81, 82, 83, 84, 85, 86, 87,
2963 88, 89, 90, 91, 92, 93, 94, 95,
2964 96, 97, 98, 99, 100, 101, 102, 103,
2965 104, 105, 106, 107, 108, 109, 110, 111,
2966 112, 113, 114, 115, 116, 117, 118, 119,
2967 120, 121, 122, 123, 124, 125, 126, 127,
2968 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2969 'H', 'I', 138, 139, 140, 141, 142, 143,
2970 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2971 'Q', 'R', 154, 155, 156, 157, 158, 159,
2972 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2973 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2974 176, 177, 178, 179, 180, 181, 182, 183,
2975 184, 185, 186, 187, 188, 189, 190, 191,
2976 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2977 'h', 'i', 202, 203, 204, 205, 206, 207,
2978 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2979 'q', 'r', 218, 219, 220, 221, 222, 223,
2980 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2981 'y', 'z', 234, 235, 236, 237, 238, 239,
2982 240, 241, 242, 243, 244, 245, 246, 247,
2983 248, 249, 250, 251, 252, 253, 254, 255
2984};
2985#else /* ascii rather than ebcdic */
22c35a8c 2986EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2987 0, 1, 2, 3, 4, 5, 6, 7,
2988 8, 9, 10, 11, 12, 13, 14, 15,
2989 16, 17, 18, 19, 20, 21, 22, 23,
2990 24, 25, 26, 27, 28, 29, 30, 31,
2991 32, 33, 34, 35, 36, 37, 38, 39,
2992 40, 41, 42, 43, 44, 45, 46, 47,
2993 48, 49, 50, 51, 52, 53, 54, 55,
2994 56, 57, 58, 59, 60, 61, 62, 63,
2995 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2996 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2997 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2998 'x', 'y', 'z', 91, 92, 93, 94, 95,
2999 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3000 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3001 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3002 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3003 128, 129, 130, 131, 132, 133, 134, 135,
3004 136, 137, 138, 139, 140, 141, 142, 143,
3005 144, 145, 146, 147, 148, 149, 150, 151,
3006 152, 153, 154, 155, 156, 157, 158, 159,
3007 160, 161, 162, 163, 164, 165, 166, 167,
3008 168, 169, 170, 171, 172, 173, 174, 175,
3009 176, 177, 178, 179, 180, 181, 182, 183,
3010 184, 185, 186, 187, 188, 189, 190, 191,
3011 192, 193, 194, 195, 196, 197, 198, 199,
3012 200, 201, 202, 203, 204, 205, 206, 207,
3013 208, 209, 210, 211, 212, 213, 214, 215,
3014 216, 217, 218, 219, 220, 221, 222, 223,
3015 224, 225, 226, 227, 228, 229, 230, 231,
3016 232, 233, 234, 235, 236, 237, 238, 239,
3017 240, 241, 242, 243, 244, 245, 246, 247,
3018 248, 249, 250, 251, 252, 253, 254, 255
3019};
9d116dd7 3020#endif /* !EBCDIC */
79072805 3021#else
22c35a8c 3022EXTCONST unsigned char PL_fold[];
79072805
LW		 3023#endif
3024
3025#ifdef DOINIT
22c35a8c 3026EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3027 0, 1, 2, 3, 4, 5, 6, 7,
3028 8, 9, 10, 11, 12, 13, 14, 15,
3029 16, 17, 18, 19, 20, 21, 22, 23,
3030 24, 25, 26, 27, 28, 29, 30, 31,
3031 32, 33, 34, 35, 36, 37, 38, 39,
3032 40, 41, 42, 43, 44, 45, 46, 47,
3033 48, 49, 50, 51, 52, 53, 54, 55,
3034 56, 57, 58, 59, 60, 61, 62, 63,
3035 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3036 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3037 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3038 'x', 'y', 'z', 91, 92, 93, 94, 95,
3039 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3040 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3041 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3042 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3043 128, 129, 130, 131, 132, 133, 134, 135,
3044 136, 137, 138, 139, 140, 141, 142, 143,
3045 144, 145, 146, 147, 148, 149, 150, 151,
3046 152, 153, 154, 155, 156, 157, 158, 159,
3047 160, 161, 162, 163, 164, 165, 166, 167,
3048 168, 169, 170, 171, 172, 173, 174, 175,
3049 176, 177, 178, 179, 180, 181, 182, 183,
3050 184, 185, 186, 187, 188, 189, 190, 191,
3051 192, 193, 194, 195, 196, 197, 198, 199,
3052 200, 201, 202, 203, 204, 205, 206, 207,
3053 208, 209, 210, 211, 212, 213, 214, 215,
3054 216, 217, 218, 219, 220, 221, 222, 223,
3055 224, 225, 226, 227, 228, 229, 230, 231,
3056 232, 233, 234, 235, 236, 237, 238, 239,
3057 240, 241, 242, 243, 244, 245, 246, 247,
3058 248, 249, 250, 251, 252, 253, 254, 255
3059};
3060#else
22c35a8c 3061EXT unsigned char PL_fold_locale[];
79072805
LW		 3062#endif
3063
3064#ifdef DOINIT
9d116dd7 3065#ifdef EBCDIC
22c35a8c 3066EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3067 1, 2, 84, 151, 154, 155, 156, 157,
3068 165, 246, 250, 3, 158, 7, 18, 29,
3069 40, 51, 62, 73, 85, 96, 107, 118,
3070 129, 140, 147, 148, 149, 150, 152, 153,
3071 255, 6, 8, 9, 10, 11, 12, 13,
3072 14, 15, 24, 25, 26, 27, 28, 226,
3073 29, 30, 31, 32, 33, 43, 44, 45,
3074 46, 47, 48, 49, 50, 76, 77, 78,
3075 79, 80, 81, 82, 83, 84, 85, 86,
3076 87, 94, 95, 234, 181, 233, 187, 190,
3077 180, 96, 97, 98, 99, 100, 101, 102,
3078 104, 112, 182, 174, 236, 232, 229, 103,
3079 228, 226, 114, 115, 116, 117, 118, 119,
3080 120, 121, 122, 235, 176, 230, 194, 162,
3081 130, 131, 132, 133, 134, 135, 136, 137,
3082 138, 139, 201, 205, 163, 217, 220, 224,
3083 5, 248, 227, 244, 242, 255, 241, 231,
3084 240, 253, 16, 197, 19, 20, 21, 187,
3085 23, 169, 210, 245, 237, 249, 247, 239,
3086 168, 252, 34, 196, 36, 37, 38, 39,
3087 41, 42, 251, 254, 238, 223, 221, 213,
3088 225, 177, 52, 53, 54, 55, 56, 57,
3089 58, 59, 60, 61, 63, 64, 65, 66,
3090 67, 68, 69, 70, 71, 72, 74, 75,
3091 205, 208, 186, 202, 200, 218, 198, 179,
3092 178, 214, 88, 89, 90, 91, 92, 93,
3093 217, 166, 170, 207, 199, 209, 206, 204,
3094 160, 212, 105, 106, 108, 109, 110, 111,
3095 203, 113, 216, 215, 192, 175, 193, 243,
3096 172, 161, 123, 124, 125, 126, 127, 128,
3097 222, 219, 211, 195, 188, 193, 185, 184,
3098 191, 183, 141, 142, 143, 144, 145, 146
3099};
3100#else /* ascii rather than ebcdic */
22c35a8c 3101EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3102 1, 2, 84, 151, 154, 155, 156, 157,
3103 165, 246, 250, 3, 158, 7, 18, 29,
3104 40, 51, 62, 73, 85, 96, 107, 118,
3105 129, 140, 147, 148, 149, 150, 152, 153,
3106 255, 182, 224, 205, 174, 176, 180, 217,
3107 233, 232, 236, 187, 235, 228, 234, 226,
3108 222, 219, 211, 195, 188, 193, 185, 184,
3109 191, 183, 201, 229, 181, 220, 194, 162,
3110 163, 208, 186, 202, 200, 218, 198, 179,
3111 178, 214, 166, 170, 207, 199, 209, 206,
3112 204, 160, 212, 216, 215, 192, 175, 173,
3113 243, 172, 161, 190, 203, 189, 164, 230,
3114 167, 248, 227, 244, 242, 255, 241, 231,
3115 240, 253, 169, 210, 245, 237, 249, 247,
3116 239, 168, 252, 251, 254, 238, 223, 221,
3117 213, 225, 177, 197, 171, 196, 159, 4,
3118 5, 6, 8, 9, 10, 11, 12, 13,
3119 14, 15, 16, 17, 19, 20, 21, 22,
3120 23, 24, 25, 26, 27, 28, 30, 31,
3121 32, 33, 34, 35, 36, 37, 38, 39,
3122 41, 42, 43, 44, 45, 46, 47, 48,
3123 49, 50, 52, 53, 54, 55, 56, 57,
3124 58, 59, 60, 61, 63, 64, 65, 66,
3125 67, 68, 69, 70, 71, 72, 74, 75,
3126 76, 77, 78, 79, 80, 81, 82, 83,
3127 86, 87, 88, 89, 90, 91, 92, 93,
3128 94, 95, 97, 98, 99, 100, 101, 102,
3129 103, 104, 105, 106, 108, 109, 110, 111,
3130 112, 113, 114, 115, 116, 117, 119, 120,
3131 121, 122, 123, 124, 125, 126, 127, 128,
3132 130, 131, 132, 133, 134, 135, 136, 137,
3133 138, 139, 141, 142, 143, 144, 145, 146
3134};
9d116dd7 3135#endif
79072805 3136#else
22c35a8c 3137EXTCONST unsigned char PL_freq[];
79072805
LW		 3138#endif
3139
8990e307
LW		 3140#ifdef DEBUGGING
3141#ifdef DOINIT
22c35a8c 3142EXTCONST char* PL_block_type[] = {
8990e307
LW		 3143 "NULL",
3144 "SUB",
3145 "EVAL",
3146 "LOOP",
3147 "SUBST",
3148 "BLOCK",
3149};
3150#else
22c35a8c 3151EXTCONST char* PL_block_type[];
8990e307
LW		 3152#endif
3153#endif
3154
73c4f7a1
GS		 3155END_EXTERN_C
3156
79072805
LW		 3157/*****************************************************************************/
3158/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3159/*****************************************************************************/
8990e307 3160/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3161
a0d0e21e
LW		 3162#include "perly.h"
3163
fb73857a 3164#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3165
79072805
LW		 3166typedef enum {
3167 XOPERATOR,
3168 XTERM,
79072805 3169 XREF,
8990e307 3170 XSTATE,
a0d0e21e 3171 XBLOCK,
09bef843
SB		 3172 XATTRBLOCK,
3173 XATTRTERM,
6f33ba73
RGS		 3174 XTERMBLOCK,
3175 XTERMORDORDOR /* evil hack */
79072805
LW		 3176} expectation;
3177
dc9e4912
GS		 3178enum { /* pass one of these to get_vtbl */
3179 want_vtbl_sv,
3180 want_vtbl_env,
3181 want_vtbl_envelem,
3182 want_vtbl_sig,
3183 want_vtbl_sigelem,
3184 want_vtbl_pack,
3185 want_vtbl_packelem,
3186 want_vtbl_dbline,
3187 want_vtbl_isa,
3188 want_vtbl_isaelem,
3189 want_vtbl_arylen,
3190 want_vtbl_glob,
3191 want_vtbl_mglob,
3192 want_vtbl_nkeys,
3193 want_vtbl_taint,
3194 want_vtbl_substr,
3195 want_vtbl_vec,
3196 want_vtbl_pos,
3197 want_vtbl_bm,
3198 want_vtbl_fm,
3199 want_vtbl_uvar,
3200 want_vtbl_defelem,
3201 want_vtbl_regexp,
3202 want_vtbl_collxfrm,
3203 want_vtbl_amagic,
3204 want_vtbl_amagicelem,
dc9e4912 3205 want_vtbl_regdata,
810b8aa5
GS		 3206 want_vtbl_regdatum,
3207 want_vtbl_backref
dc9e4912
GS		 3208};
3209
85e6fe83
LW		 3210 /* Note: the lowest 8 bits are reserved for
3211 stuffing into op->op_private */
f3aa04c2 3212#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3213#define HINT_INTEGER 0x00000001 /* integer pragma */
3214#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3215#define HINT_LOCALE 0x00000004 /* locale pragma */
3216#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3217/* #define HINT_notused10 0x00000010 */
a0ed51b3 3218 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3219 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3220
3221#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3222#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3223#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3224
9cfe5470 3225/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3226#define HINT_NEW_INTEGER 0x00001000
3227#define HINT_NEW_FLOAT 0x00002000
3228#define HINT_NEW_BINARY 0x00004000
3229#define HINT_NEW_STRING 0x00008000
3230#define HINT_NEW_RE 0x00010000
3231#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3232
9cfe5470
RGS		 3233#define HINT_RE_TAINT 0x00100000 /* re pragma */
3234#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3235
9cfe5470
RGS		 3236#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3237#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3238
9cfe5470 3239/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3240#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3241#define HINT_SORT_QUICKSORT 0x00000001
3242#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3243#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3244
8bfdd7d9 3245/* Various states of the input record separator SV (rs) */
d4cce5f1 3246#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3247#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3248#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3249#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3250
128e8167 3251/* A struct for keeping various DEBUGGING related stuff,
ce333219 3252 * neatly packed. Currently only scratch variables for
128e8167
JH		 3253 * constructing debug output are included. Needed always,
3254 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3255struct perl_debug_pad {
3256 SV pad[3];
3257};
3258
3259#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3260#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3261
56953603 3262/* Enable variables which are pointers to functions */
a2efc822 3263typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3264typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3265typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3266 char* strend, char* strbeg, I32 minend,
3267 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3268typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3269 char *strpos, char *strend,
3270 U32 flags,
3271 struct re_scream_pos_data_s *d);
3272typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3273typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3274
c76ac1ee 3275typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3276typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3277typedef void (*SVFUNC_t) (pTHX_ SV*);
3278typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3279typedef void (*XSINIT_t) (pTHX);
3280typedef void (*ATEXIT_t) (pTHX_ void*);
3281typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3282
22239a37
NIS		 3283/* Set up PERLVAR macros for populating structs */
3284#define PERLVAR(var,type) type var;
51371543 3285#define PERLVARA(var,n,type) type var[n];
22239a37 3286#define PERLVARI(var,type,init) type var;
3fe35a81 3287#define PERLVARIC(var,type,init) type var;
22239a37 3288
58a50f62
GS		 3289/* Interpreter exitlist entry */
3290typedef struct exitlistentry {
acfe0abc 3291 void (*fn) (pTHX_ void*);
58a50f62
GS		 3292 void *ptr;
3293} PerlExitListEntry;
3294
22239a37
NIS		 3295#ifdef PERL_GLOBAL_STRUCT
3296struct perl_vars {
7766f137 3297# include "perlvars.h"
22239a37
NIS		 3298};
3299
7766f137 3300# ifdef PERL_CORE
533c011a
NIS		 3301EXT struct perl_vars PL_Vars;
3302EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3303# else /* PERL_CORE */
3304# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3305EXT
7766f137 3306# endif /* WIN32 */
533c011a 3307struct perl_vars *PL_VarsPtr;
7766f137
GS		 3308# define PL_Vars (*((PL_VarsPtr) \
3309 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3310# endif /* PERL_CORE */
22239a37
NIS		 3311#endif /* PERL_GLOBAL_STRUCT */
3312
acfe0abc 3313#if defined(MULTIPLICITY)
d460ef45 3314/* If we have multiple interpreters define a struct
d4cce5f1 3315 holding variables which must be per-interpreter
d460ef45 3316 If we don't have threads anything that would have
d4cce5f1
NIS		 3317 be per-thread is per-interpreter.
3318*/
3319
79072805 3320struct interpreter {
3db8f154 3321# include "thrdvar.h"
7766f137
GS		 3322# include "intrpvar.h"
3323/*
3324 * The following is a buffer where new variables must
acfe0abc 3325 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3326 */
3327PERLVARA(object_compatibility,30, char)
49f531da 3328};
d4cce5f1 3329
79072805 3330#else
49f531da
NIS		 3331struct interpreter {
3332 char broiled;
3333};
acfe0abc 3334#endif /* MULTIPLICITY */
79072805 3335
22fae026 3336typedef void *Thread;
22239a37
NIS		 3337
3338/* Done with PERLVAR macros for now ... */
d4cce5f1 3339#undef PERLVAR
51371543 3340#undef PERLVARA
d4cce5f1 3341#undef PERLVARI
3fe35a81 3342#undef PERLVARIC
79072805 3343
22239a37 3344#include "thread.h"
79072805 3345#include "pp.h"
864dbfa3
GS		 3346
3347#ifndef PERL_CALLCONV
3348# define PERL_CALLCONV
d460ef45 3349#endif
864dbfa3 3350
65f19062
GS		 3351#ifndef NEXT30_NO_ATTRIBUTE
3352# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3353# ifdef __attribute__ /* Avoid possible redefinition errors */
3354# undef __attribute__
3355# endif
3356# define __attribute__(attr)
3357# endif
3358#endif
3359
0cb96387
GS		 3360#undef PERL_CKDEF
3361#undef PERL_PPDEF
3362#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3363#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3364
7766f137 3365#include "proto.h"
864dbfa3 3366
0cb96387 3367/* this has structure inits, so it cannot be included before here */
acfe0abc 3368#include "opcode.h"
864dbfa3 3369
d4cce5f1
NIS		 3370/* The following must follow proto.h as #defines mess up syntax */
3371
22c35a8c
GS		 3372#if !defined(PERL_FOR_X2P)
3373# include "embedvar.h"
3374#endif
d4cce5f1 3375
d460ef45 3376/* Now include all the 'global' variables
d4cce5f1 3377 * If we don't have threads or multiple interpreters
d460ef45 3378 * these include variables that would have been their struct-s
d4cce5f1 3379 */
d460ef45 3380
533c011a 3381#define PERLVAR(var,type) EXT type PL_##var;
51371543 3382#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3383#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3384#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3385
acfe0abc 3386#if !defined(MULTIPLICITY)
7766f137 3387START_EXTERN_C
066ef5b5 3388# include "intrpvar.h"
3db8f154 3389# include "thrdvar.h"
7766f137 3390END_EXTERN_C
22239a37
NIS		 3391#endif
3392
acfe0abc 3393#if defined(WIN32)
66a93824 3394/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3395# include "embed.h"
acfe0abc 3396#endif
22239a37 3397
c5be433b
GS		 3398#ifndef PERL_GLOBAL_STRUCT
3399START_EXTERN_C
3400
3401# include "perlvars.h"
3402
3403END_EXTERN_C
3404#endif
3405
d4cce5f1 3406#undef PERLVAR
51371543 3407#undef PERLVARA
d4cce5f1 3408#undef PERLVARI
0f3f18a6 3409#undef PERLVARIC
79072805 3410
73c4f7a1
GS		 3411START_EXTERN_C
3412
79072805 3413#ifdef DOINIT
bbce6d69 3414
68795e93 3415EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3416 MEMBER_TO_FPTR(Perl_magic_set),
3417 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3418 0, 0};
2b260de0
GS		 3419EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3420 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3421 0};
2b260de0
GS		 3422EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3423 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3424 0};
22c35a8c 3425EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3426#ifdef PERL_MICRO
3427EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3428#else
2b260de0
GS		 3429EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3430 MEMBER_TO_FPTR(Perl_magic_setsig),
3431 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3432 0};
64ca3a65 3433#endif
68795e93
NIS		 3434EXT MGVTBL PL_vtbl_pack = {0, 0,
3435 MEMBER_TO_FPTR(Perl_magic_sizepack),
3436 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3437 0};
2b260de0 3438EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3439 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3440 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3441 0};
2b260de0 3442EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3443 0, 0, 0};
2b260de0
GS		 3444EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3445 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3446 0};
2b260de0 3447EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3448 0, 0, 0};
2b260de0
GS		 3449EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3450 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3451 0, 0, 0};
2b260de0
GS		 3452EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3453 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3454 0, 0, 0};
2b260de0 3455EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3456 0, 0, 0};
2b260de0
GS		 3457EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3458 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3459 0, 0, 0};
68795e93
NIS		 3460EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3461 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3462 0, 0, 0};
68795e93
NIS		 3463EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3464 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3465 0, 0, 0};
2b260de0 3466EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3467 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3468 0, 0, 0};
2b260de0
GS		 3469EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3470 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3471 0, 0, 0};
2b260de0 3472EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3473 0, 0, 0};
2b260de0 3474EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3475 0, 0, 0};
2b260de0
GS		 3476EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3477 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3478 0, 0, 0};
68795e93
NIS		 3479EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3480 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3481 0, 0, 0};
a0d0e21e 3482
2b260de0
GS		 3483EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3484EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3485EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3486 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3487
36477c24 3488#ifdef USE_LOCALE_COLLATE
22c35a8c 3489EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3490 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3491 0, 0, 0};
3492#endif
a0d0e21e 3493
2b260de0
GS		 3494EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3495 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3496EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3497 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3498
810b8aa5 3499EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3500 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3501
d460ef45
NIS		 3502EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3503 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3504
bbce6d69 3505#else /* !DOINIT */
3506
22c35a8c
GS		 3507EXT MGVTBL PL_vtbl_sv;
3508EXT MGVTBL PL_vtbl_env;
3509EXT MGVTBL PL_vtbl_envelem;
3510EXT MGVTBL PL_vtbl_sig;
3511EXT MGVTBL PL_vtbl_sigelem;
3512EXT MGVTBL PL_vtbl_pack;
3513EXT MGVTBL PL_vtbl_packelem;
3514EXT MGVTBL PL_vtbl_dbline;
3515EXT MGVTBL PL_vtbl_isa;
3516EXT MGVTBL PL_vtbl_isaelem;
3517EXT MGVTBL PL_vtbl_arylen;
3518EXT MGVTBL PL_vtbl_glob;
3519EXT MGVTBL PL_vtbl_mglob;
3520EXT MGVTBL PL_vtbl_nkeys;
3521EXT MGVTBL PL_vtbl_taint;
3522EXT MGVTBL PL_vtbl_substr;
3523EXT MGVTBL PL_vtbl_vec;
3524EXT MGVTBL PL_vtbl_pos;
3525EXT MGVTBL PL_vtbl_bm;
3526EXT MGVTBL PL_vtbl_fm;
3527EXT MGVTBL PL_vtbl_uvar;
d460ef45 3528EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3529
22c35a8c
GS		 3530EXT MGVTBL PL_vtbl_defelem;
3531EXT MGVTBL PL_vtbl_regexp;
3532EXT MGVTBL PL_vtbl_regdata;
3533EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3534
36477c24 3535#ifdef USE_LOCALE_COLLATE
22c35a8c 3536EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3537#endif
a0d0e21e 3538
22c35a8c
GS		 3539EXT MGVTBL PL_vtbl_amagic;
3540EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3541
810b8aa5
GS		 3542EXT MGVTBL PL_vtbl_backref;
3543
bbce6d69 3544#endif /* !DOINIT */
85e6fe83 3545
f5284f61
IZ		 3546enum {
3547 fallback_amg, abs_amg,
3548 bool__amg, nomethod_amg,
3549 string_amg, numer_amg,
3550 add_amg, add_ass_amg,
3551 subtr_amg, subtr_ass_amg,
3552 mult_amg, mult_ass_amg,
3553 div_amg, div_ass_amg,
3554 modulo_amg, modulo_ass_amg,
3555 pow_amg, pow_ass_amg,
3556 lshift_amg, lshift_ass_amg,
3557 rshift_amg, rshift_ass_amg,
3558 band_amg, band_ass_amg,
3559 bor_amg, bor_ass_amg,
3560 bxor_amg, bxor_ass_amg,
3561 lt_amg, le_amg,
3562 gt_amg, ge_amg,
3563 eq_amg, ne_amg,
3564 ncmp_amg, scmp_amg,
3565 slt_amg, sle_amg,
3566 sgt_amg, sge_amg,
3567 seq_amg, sne_amg,
3568 not_amg, compl_amg,
3569 inc_amg, dec_amg,
3570 atan2_amg, cos_amg,
3571 sin_amg, exp_amg,
3572 log_amg, sqrt_amg,
3573 repeat_amg, repeat_ass_amg,
3574 concat_amg, concat_ass_amg,
3575 copy_amg, neg_amg,
3576 to_sv_amg, to_av_amg,
3577 to_hv_amg, to_gv_amg,
d460ef45 3578 to_cv_amg, iter_amg,
f216259d
IZ		 3579 int_amg, DESTROY_amg,
3580 max_amg_code
64a0062a 3581 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3582};
3583
3584#define NofAMmeth max_amg_code
89ffc314 3585#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3586
a0d0e21e 3587#ifdef DOINIT
22c35a8c 3588EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3589 /* Names kept in the symbol table. fallback => "()", the rest has
3590 "(" prepended. The only other place in perl which knows about
3591 this convention is AMG_id2name (used for debugging output and
3592 'nomethod' only), the only other place which has it hardwired is
3593 overload.pm. */
3594 "()", "(abs", /* "fallback" should be the first. */
3595 "(bool", "(nomethod",
3596 "(\"\"", "(0+",
3597 "(+", "(+=",
3598 "(-", "(-=",
3599 "(*", "(*=",
3600 "(/", "(/=",
3601 "(%", "(%=",
3602 "(**", "(**=",
3603 "(<<", "(<<=",
3604 "(>>", "(>>=",
3605 "(&", "(&=",
3606 "(|", "(|=",
3607 "(^", "(^=",
3608 "(<", "(<=",
3609 "(>", "(>=",
3610 "(==", "(!=",
3611 "(<=>", "(cmp",
3612 "(lt", "(le",
3613 "(gt", "(ge",
3614 "(eq", "(ne",
3615 "(!", "(~",
3616 "(++", "(--",
3617 "(atan2", "(cos",
3618 "(sin", "(exp",
3619 "(log", "(sqrt",
3620 "(x", "(x=",
3621 "(.", "(.=",
3622 "(=", "(neg",
3623 "(${}", "(@{}",
3624 "(%{}", "(*{}",
3625 "(&{}", "(<>",
f216259d 3626 "(int", "DESTROY",
a0d0e21e
LW		 3627};
3628#else
22c35a8c 3629EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3630#endif /* def INITAMAGIC */
3631
73c4f7a1
GS		 3632END_EXTERN_C
3633
a6006777 3634struct am_table {
eb160463 3635 U32 was_ok_sub;
a0d0e21e 3636 long was_ok_am;
a6006777 3637 U32 flags;
3638 CV* table[NofAMmeth];
a0d0e21e
LW		 3639 long fallback;
3640};
a6006777 3641struct am_table_short {
eb160463 3642 U32 was_ok_sub;
a6006777 3643 long was_ok_am;
3644 U32 flags;
3645};
a0d0e21e 3646typedef struct am_table AMT;
a6006777 3647typedef struct am_table_short AMTS;
a0d0e21e
LW		 3648
3649#define AMGfallNEVER 1
3650#define AMGfallNO 2
3651#define AMGfallYES 3
3652
a6006777 3653#define AMTf_AMAGIC 1
32251b26 3654#define AMTf_OVERLOADED 2
a6006777 3655#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3656#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3657#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3658#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3659#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3660#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3661
32251b26 3662#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3663
3664/*
3665 * some compilers like to redefine cos et alia as faster
3666 * (and less accurate?) versions called F_cos et cetera (Quidquid
3667 * latine dictum sit, altum viditur.) This trick collides with
3668 * the Perl overloading (amg). The following #defines fool both.
3669 */
3670
3671#ifdef _FASTMATH
3672# ifdef atan2
3673# define F_atan2_amg atan2_amg
3674# endif
3675# ifdef cos
3676# define F_cos_amg cos_amg
3677# endif
3678# ifdef exp
3679# define F_exp_amg exp_amg
3680# endif
3681# ifdef log
3682# define F_log_amg log_amg
3683# endif
3684# ifdef pow
3685# define F_pow_amg pow_amg
3686# endif
3687# ifdef sin
3688# define F_sin_amg sin_amg
3689# endif
3690# ifdef sqrt
3691# define F_sqrt_amg sqrt_amg
3692# endif
3693#endif /* _FASTMATH */
3694
83ee9e09
GS		 3695#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3696 PERLDBf_NOOPT | PERLDBf_INTER | \
3697 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3698 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3699 /* No _NONAME, _GOTO */
3700#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3701#define PERLDBf_LINE 0x02 /* Keep line # */
3702#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3703#define PERLDBf_INTER 0x08 /* Preserve more data for
3704 later inspections */
3705#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3706#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3707#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3708#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3709#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3710#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3711
3280af22
NIS		 3712#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3713#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3714#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3715#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3716#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3717#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3718#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3719#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3720#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3721#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3722
bbce6d69 3723
36477c24 3724#ifdef USE_LOCALE_NUMERIC
bbce6d69 3725
36477c24 3726#define SET_NUMERIC_STANDARD() \
ff4fed7c 3727 set_numeric_standard();
36477c24 3728
3729#define SET_NUMERIC_LOCAL() \
ff4fed7c 3730 set_numeric_local();
bbce6d69 3731
2de3dbcc
JH		 3732#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3733#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3734
3735#define IN_LOCALE \
3736 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3737
f93f4e46 3738#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3739 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3740 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3741
3742#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3743 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3744 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3745
3746#define RESTORE_NUMERIC_LOCAL() \
3747 if (was_local) SET_NUMERIC_LOCAL();
3748
3749#define RESTORE_NUMERIC_STANDARD() \
3750 if (was_standard) SET_NUMERIC_STANDARD();
3751
5b877257 3752#define Atof my_atof
097ee67d 3753
36477c24 3754#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3755
097ee67d
JH		 3756#define SET_NUMERIC_STANDARD() /**/
3757#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3758#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3759#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3760#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3761#define RESTORE_NUMERIC_LOCAL() /**/
3762#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3763#define Atof my_atof
ad3e0f90 3764#define IN_LOCALE_RUNTIME 0
bbce6d69 3765
36477c24 3766#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3767
079290de 3768#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3769# ifdef __hpux
3770# define strtoll __strtoll /* secret handshake */
3771# endif
c623ac67
GS		 3772# ifdef WIN64
3773# define strtoll _strtoi64 /* secret handshake */
3774# endif
079290de
GS		 3775# if !defined(Strtol) && defined(HAS_STRTOLL)
3776# define Strtol strtoll
ad551343 3777# endif
28e5dec8
JH		 3778# if !defined(Strtol) && defined(HAS_STRTOQ)
3779# define Strtol strtoq
3780# endif
ff935051 3781/* is there atoq() anywhere? */
15b99d39 3782#endif
079290de
GS		 3783#if !defined(Strtol) && defined(HAS_STRTOL)
3784# define Strtol strtol
3785#endif
3786#ifndef Atol
3787/* It would be more fashionable to use Strtol() to define atol()
3788 * (as is done for Atoul(), see below) but for backward compatibility
3789 * we just assume atol(). */
76b882ba 3790# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3791# ifdef WIN64
3792# define atoll _atoi64 /* secret handshake */
3793# endif
76b882ba
JH		 3794# define Atol atoll
3795# else
3796# define Atol atol
3797# endif
cf2093f6
JH		 3798#endif
3799
55eb892c 3800#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3801# ifdef __hpux
3802# define strtoull __strtoull /* secret handshake */
3803# endif
c623ac67
GS		 3804# ifdef WIN64
3805# define strtoull _strtoui64 /* secret handshake */
3806# endif
ad551343 3807# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3808# define Strtoul strtoull
15b99d39 3809# endif
079290de
GS		 3810# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3811# define Strtoul strtouq
3812# endif
76d49b1c 3813/* is there atouq() anywhere? */
ad551343 3814#endif
079290de
GS		 3815#if !defined(Strtoul) && defined(HAS_STRTOUL)
3816# define Strtoul strtoul
cf2093f6 3817#endif
079290de
GS		 3818#ifndef Atoul
3819# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3820#endif
cf2093f6 3821
3e61d65a 3822#if !defined(PERLIO_IS_STDIO)
d460ef45 3823/*
d460ef45 3824 * Remap printf
760ac839 3825 */
39455587 3826#undef printf
93189314 3827#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC)
c745e42c
NIS		 3828#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3829#else
760ac839
LW		 3830#define printf PerlIO_stdoutf
3831#endif
c745e42c 3832#endif
760ac839 3833
06d86050
GS		 3834/* if these never got defined, they need defaults */
3835#ifndef PERL_SET_CONTEXT
3836# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3837#endif
3838
3839#ifndef PERL_GET_CONTEXT
3840# define PERL_GET_CONTEXT PERL_GET_INTERP
3841#endif
3842
3843#ifndef PERL_GET_THX
3844# define PERL_GET_THX ((void*)NULL)
3845#endif
3846
3847#ifndef PERL_SET_THX
3848# define PERL_SET_THX(t) NOOP
3849#endif
3850
a868473f
NIS		 3851#ifndef PERL_SCRIPT_MODE
3852#define PERL_SCRIPT_MODE "r"
3853#endif
3854
fba3b22e 3855/*
da927450
JH		 3856 * Some operating systems are stingy with stack allocation,
3857 * so perl may have to guard against stack overflow.
3858 */
3859#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3860#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3861#endif
3862
3863/*
3864 * Some nonpreemptive operating systems find it convenient to
3865 * check for asynchronous conditions after each op execution.
3866 * Keep this check simple, or it may slow down execution
3867 * massively.
3868 */
ce08f86c 3869
1d615522
JH		 3870#ifndef PERL_MICRO
3871# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3872# ifndef PERL_ASYNC_CHECK
3873# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3874# endif
1d615522 3875# endif
ce08f86c
NIS		 3876#endif
3877
da927450 3878#ifndef PERL_ASYNC_CHECK
1d615522 3879# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3880#endif
3881
3882/*
3883 * On some operating systems, a memory allocation may succeed,
3884 * but put the process too close to the system's comfort limit.
3885 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3886 * it to NULL.
3887 */
3888#ifndef PERL_ALLOC_CHECK
c2af87cb 3889#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3890#endif
3891
3892/*
fba3b22e
MB		 3893 * nice_chunk and nice_chunk size need to be set
3894 * and queried under the protection of sv_mutex
3895 */
30ad99e7
MJD		 3896#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3897 void *new_chunk; \
3898 U32 new_chunk_size; \
3899 LOCK_SV_MUTEX; \
3900 new_chunk = (void *)(chunk); \
3901 new_chunk_size = (chunk_size); \
3902 if (new_chunk_size > PL_nice_chunk_size) { \
3903 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3904 PL_nice_chunk = new_chunk; \
3905 PL_nice_chunk_size = new_chunk_size; \
3906 } else { \
3907 Safefree(chunk); \
3908 } \
3909 UNLOCK_SV_MUTEX; \
3910 } STMT_END
fba3b22e 3911
bd89102f
AD		 3912#ifdef HAS_SEM
3913# include <sys/ipc.h>
3914# include <sys/sem.h>
3915# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3916 union semun {
dbba660d
TC		 3917 int val;
3918 struct semid_ds *buf;
3919 unsigned short *array;
bd89102f
AD		 3920 };
3921# endif
3922# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3923# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3924 union gccbug_semun {
3925 int val;
3926 struct semid_ds *buf;
3927 unsigned short *array;
3928 char __dummy[5];
3929 };
3930# define semun gccbug_semun
3931# endif
bd89102f
AD		 3932# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3933# else
3934# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3935# ifdef EXTRA_F_IN_SEMUN_BUF
3936# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3937# else
3938# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3939# endif
bd89102f
AD		 3940# endif
3941# endif
bd89102f 3942#endif
49f531da 3943
89ca4ac7
JH		 3944/*
3945 * Boilerplate macros for initializing and accessing interpreter-local
3946 * data from C. All statics in extensions should be reworked to use
3947 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 3948 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 3949 *
3950 * Code that uses these macros is responsible for the following:
43a739c2
JH		 3951 * 1. #define MY_CXT_KEY to a unique string, e.g.
3952 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 3953 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3954 * all the data that needs to be interpreter-local.
3955 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3956 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3957 * (typically put in the BOOT: section).
3958 * 5. Use the members of the my_cxt_t structure everywhere as
3959 * MY_CXT.member.
3960 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3961 * access MY_CXT.
3962 */
3963
fc958cd2 3964#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3965
3966/* This must appear in all extensions that define a my_cxt_t structure,
3967 * right after the definition (i.e. at file scope). The non-threads
3968 * case below uses it to declare the data as static. */
3969#define START_MY_CXT
3970
3971/* Fetches the SV that keeps the per-interpreter data. */
3972#define dMY_CXT_SV \
3973 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3974 sizeof(MY_CXT_KEY)-1, TRUE)
3975
3976/* This declaration should be used within all functions that use the
3977 * interpreter-local data. */
3978#define dMY_CXT \
3979 dMY_CXT_SV; \
ec0e15e0 3980 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 3981
3982/* Creates and zeroes the per-interpreter data.
3983 * (We allocate my_cxtp in a Perl SV so that it will be released when
3984 * the interpreter goes away.) */
3985#define MY_CXT_INIT \
3986 dMY_CXT_SV; \
3987 /* newSV() allocates one more than needed */ \
3988 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3989 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 3990 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 3991
3992/* This macro must be used to access members of the my_cxt_t structure.
3993 * e.g. MYCXT.some_data */
3994#define MY_CXT (*my_cxtp)
3995
3996/* Judicious use of these macros can reduce the number of times dMY_CXT
3997 * is used. Use is similar to pTHX, aTHX etc. */
3998#define pMY_CXT my_cxt_t *my_cxtp
3999#define pMY_CXT_ pMY_CXT,
4000#define _pMY_CXT ,pMY_CXT
4001#define aMY_CXT my_cxtp
4002#define aMY_CXT_ aMY_CXT,
4003#define _aMY_CXT ,aMY_CXT
4004
4005#else /* USE_ITHREADS */
4006
4007#define START_MY_CXT static my_cxt_t my_cxt;
4008#define dMY_CXT_SV dNOOP
4009#define dMY_CXT dNOOP
4010#define MY_CXT_INIT NOOP
4011#define MY_CXT my_cxt
4012
4013#define pMY_CXT void
4014#define pMY_CXT_
4015#define _pMY_CXT
4016#define aMY_CXT
4017#define aMY_CXT_
4018#define _aMY_CXT
4019
4020#endif /* !defined(USE_ITHREADS) */
4021
9a34ef1d
GS		 4022#ifdef I_FCNTL
4023# include <fcntl.h>
9a34ef1d
GS		 4024#endif
4025
4026#ifdef I_SYS_FILE
4027# include <sys/file.h>
4028#endif
4029
fa0a29af 4030#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4031int flock(int fd, int op);
4032#endif
4033
fe52b3b7
GS		 4034#ifndef O_RDONLY
4035/* Assume UNIX defaults */
4036# define O_RDONLY 0000
4037# define O_WRONLY 0001
4038# define O_RDWR 0002
4039# define O_CREAT 0100
4040#endif
9a34ef1d 4041
16fe6d59
GS		 4042#ifndef O_BINARY
4043# define O_BINARY 0
4044#endif
4045
4046#ifndef O_TEXT
4047# define O_TEXT 0
4048#endif
4049
6ce75a77
JH		 4050#if O_TEXT != O_BINARY
4051 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4052 * that is, you are somehow DOSish. */
73250e76 4053# if defined(__BEOS__) || defined(__VOS__)
a6e45062
JH		 4054 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4055 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4056 /* VOS has O_TEXT != O_BINARY, and they have effect,
4057 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4058 /* If you have O_TEXT different from your O_BINARY but you still are
4059 * not a CRLF shop. */
35990314 4060# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4061# else
4062 /* If you really are DOSish. */
4063# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4064# endif
4065#endif
4066
104d25b7
JH		 4067#ifdef IAMSUID
4068
4069#ifdef I_SYS_STATVFS
9f982a77
IG		 4070# if defined(PERL_SCO) && !defined(_SVID3)
4071# define _SVID3
4072# endif
32b3cf08
JH		 4073# include <sys/statvfs.h> /* for f?statvfs() */
4074#endif
4075#ifdef I_SYS_MOUNT
4076# include <sys/mount.h> /* for *BSD f?statfs() */
4077#endif
4078#ifdef I_MNTENT
4079# include <mntent.h> /* for getmntent() */
104d25b7 4080#endif
0545a864
JH		 4081#ifdef I_SYS_STATFS
4082# include <sys/statfs.h> /* for some statfs() */
4083#endif
4084#ifdef I_SYS_VFS
8d9e1a19
GS		 4085# ifdef __sgi
4086# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4087# endif
4088# include <sys/vfs.h> /* for some statfs() */
4089# ifdef __sgi
4090# undef IRIX_sv
4091# endif
0545a864
JH		 4092#endif
4093#ifdef I_USTAT
4094# include <ustat.h> /* for ustat() */
4095#endif
4096
4097#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4098# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4099#endif
4100#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4101# define PERL_MOUNT_NOSUID MNT_NOSUID
4102#endif
4103#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4104# define PERL_MOUNT_NOSUID MS_NOSUID
4105#endif
4106#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4107# define PERL_MOUNT_NOSUID M_NOSUID
4108#endif
104d25b7
JH		 4109
4110#endif /* IAMSUID */
4111
4bc88a62
PS		 4112#ifdef I_LIBUTIL
4113# include <libutil.h> /* setproctitle() in some FreeBSDs */
4114#endif
4115
b4748376
NIS		 4116#ifndef EXEC_ARGV_CAST
4117#define EXEC_ARGV_CAST(x) x
4118#endif
4119
dd5dc04f
JH		 4120#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4121 int). value returned in pointed-
4122 to UV */
4123#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4124#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4125#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4126#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4127#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4128
4129#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4130
53305cf1
NC		 4131/* Input flags: */
4132#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4133#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 4134/* Output flags: */
4135#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4136
2c4f7f0e
DM		 4137/* to let user control profiling */
4138#ifdef PERL_GPROF_CONTROL
4139extern void moncontrol(int);
4140#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4141#else
4142#define PERL_GPROF_MONCONTROL(x)
4143#endif
4144
ae0e3d3b
JH		 4145#ifdef UNDER_CE
4146#include "wince.h"
4147#endif
4148
4149/* ISO 6429 NEL - C1 control NExt Line */
4150/* See http://www.unicode.org/unicode/reports/tr13/ */
4151#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4152# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4153# define NEXT_LINE_CHAR 0x15
4154# else /* CDRA */
4155# define NEXT_LINE_CHAR 0x25
4156# endif
4157#else
4158# define NEXT_LINE_CHAR 0x85
4159#endif
4160
4161/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4162#define UNICODE_LINE_SEPA_0 0xE2
4163#define UNICODE_LINE_SEPA_1 0x80
4164#define UNICODE_LINE_SEPA_2 0xA8
4165#define UNICODE_PARA_SEPA_0 0xE2
4166#define UNICODE_PARA_SEPA_1 0x80
4167#define UNICODE_PARA_SEPA_2 0xA9
4168
479b2847
GS		 4169#ifndef PIPESOCK_MODE
4170# define PIPESOCK_MODE
4171#endif
4172
4d8076ea 4173/* and finally... */
cceca5ed 4174#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4175#include "patchlevel.h"
cceca5ed 4176#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4177
43999f95 4178/* Mention
d460ef45 4179
43999f95 4180 NV_PRESERVES_UV
fe749a9f 4181
fe749a9f
JH		 4182 HAS_MKSTEMP
4183 HAS_MKSTEMPS
4184 HAS_MKDTEMP
4185
49dabb45
JH		 4186 HAS_GETCWD
4187
d59b5429 4188 HAS_MMAP
fe749a9f
JH		 4189 HAS_MPROTECT
4190 HAS_MSYNC
1e8c3fde 4191 HAS_MADVISE
fe749a9f
JH		 4192 HAS_MUNMAP
4193 I_SYSMMAN
4194 Mmap_t
4195
6b4667fc
A		 4196 NVef
4197 NVff
4198 NVgf
4199
4e0554ec 4200 HAS_UALARM
2d736872
MB		 4201 HAS_USLEEP
4202 HAS_NANOSLEEP
4e0554ec
JH		 4203
4204 HAS_SETITIMER
4205 HAS_GETITIMER
4206
4207 HAS_SENDMSG
4208 HAS_RECVMSG
4209 HAS_READV
4210 HAS_WRITEV
4211 I_SYSUIO
4212 HAS_STRUCT_MSGHDR
4213 HAS_STRUCT_CMSGHDR
4214
2765b840 4215 HAS_NL_LANGINFO
0a7020c9 4216
ae0e3d3b 4217 HAS_DIRFD
2765b840 4218
43999f95
JH		 4219 so that Configure picks them up. */
4220
85e6fe83 4221#endif /* Include guard */
ae0e3d3b 4222
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