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ExtUtils::Constant 0.13
[perl5.git] / perl.h
CommitLineData
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
aaacdc8b
GS		 39#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
40# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
41#endif
42
43/* XXX This next guard can disappear if the sources are revised
44 to use USE_5005THREADS throughout. -- A.D 1/6/2000
45*/
4d1ff10f
AB		 46#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
47# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 48#endif
49
2c2d71f5
JH		 50/* See L<perlguts/"The Perl API"> for detailed notes on
51 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
52
ac6bedea
JH		 53/* Note that from here --> to <-- the same logic is
54 * repeated in makedef.pl, so be certain to update
55 * both places when editing. */
56
ba979b31
NIS		 57#ifdef PERL_IMPLICIT_SYS
58/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
59 so use slab allocator to avoid lots of MUTEX overhead
60 */
6916a0ab
NIS		 61# ifndef PL_OP_SLAB_ALLOC
62# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 63# endif
64#endif
65
6f4183fe 66#ifdef USE_ITHREADS
acfe0abc 67# if !defined(MULTIPLICITY)
6f4183fe
GS		 68# define MULTIPLICITY
69# endif
70#endif
71
4d1ff10f 72#ifdef USE_5005THREADS
c5be433b
GS		 73# ifndef PERL_IMPLICIT_CONTEXT
74# define PERL_IMPLICIT_CONTEXT
75# endif
c5be433b
GS		 76#endif
77
c5be433b
GS		 78#if defined(MULTIPLICITY)
79# ifndef PERL_IMPLICIT_CONTEXT
80# define PERL_IMPLICIT_CONTEXT
81# endif
c5be433b
GS		 82#endif
83
026fd48b
GH		 84/* undef WIN32 when building on Cygwin (for libwin32) - gph */
85#ifdef __CYGWIN__
86# undef WIN32
87# undef _WIN32
88#endif
89
10bc17b6
JH		 90/* Use the reentrant APIs like localtime_r and getpwent_r */
91/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
9366f0ec 92#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
10bc17b6
JH		 93# define USE_REENTRANT_API
94#endif
95
ac6bedea
JH		 96/* <--- here ends the logic shared by perl.h and makedef.pl */
97
c5be433b 98#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 99# ifdef USE_5005THREADS
c5be433b 100struct perl_thread;
24e8e624 101# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 102# define aTHX thr
411caa50 103# define dTHR dNOOP /* only backward compatibility */
fd89de3a 104# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 105# else
f63b9778
GS		 106# ifndef MULTIPLICITY
107# define MULTIPLICITY
108# endif
24e8e624 109# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 110# define aTHX my_perl
fd89de3a 111# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 112# endif
fd89de3a 113# define dTHX pTHX = PERL_GET_THX
c5be433b 114# define pTHX_ pTHX,
c5be433b 115# define aTHX_ aTHX,
894356b3
GS		 116# define pTHX_1 2
117# define pTHX_2 3
118# define pTHX_3 4
119# define pTHX_4 5
c5be433b
GS		 120#endif
121
76e3520e
GS		 122#define STATIC static
123#define CPERLscope(x) x
565764a8 124#define CPERLarg void
76e3520e 125#define CPERLarg_
e3b8966e 126#define _CPERLarg
1d583055
GS		 127#define PERL_OBJECT_THIS
128#define _PERL_OBJECT_THIS
129#define PERL_OBJECT_THIS_
312caa8e 130#define CALL_FPTR(fptr) (*fptr)
76e3520e 131
312caa8e
CS		 132#define CALLRUNOPS CALL_FPTR(PL_runops)
133#define CALLREGCOMP CALL_FPTR(PL_regcompp)
134#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 135#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
136#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
137#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 138
139#ifdef PERL_FLEXIBLE_EXCEPTIONS
140# define CALLPROTECT CALL_FPTR(PL_protect)
141#endif
312caa8e 142
44dbb695 143#ifdef HASATTRIBUTE
3da75212
MB		 144# if defined(__GNUC__) && defined(__cplusplus)
145# define PERL_UNUSED_DECL
146# else
147# define PERL_UNUSED_DECL __attribute__((unused))
148# endif
44dbb695
JH		 149#else
150# define PERL_UNUSED_DECL
151#endif
152
349b520e
DM		 153/* gcc -Wall:
154 * for silencing unused variables that are actually used most of the time,
155 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
156 */
157#define PERL_UNUSED_VAR(var) if (0) var = var
158
0cb96387 159#define NOOP (void)0
44dbb695 160#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 161
0cb96387
GS		 162#ifndef pTHX
163# define pTHX void
164# define pTHX_
0cb96387
GS		 165# define aTHX
166# define aTHX_
0cb96387
GS		 167# define dTHXa(a) dNOOP
168# define dTHX dNOOP
894356b3
GS		 169# define pTHX_1 1
170# define pTHX_2 2
171# define pTHX_3 3
172# define pTHX_4 4
0cb96387
GS		 173#endif
174
b4f7f263
GS		 175/* these are only defined for compatibility; should not be used internally */
176#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 177# define pTHXo pTHX
178# define pTHXo_ pTHX_
0cb96387
GS		 179# define aTHXo aTHX
180# define aTHXo_ aTHX_
c5be433b 181# define dTHXo dTHX
71d280e3 182# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 183#endif
184
185#ifndef pTHXx
186# define pTHXx register PerlInterpreter *my_perl
187# define pTHXx_ pTHXx,
0cb96387
GS		 188# define aTHXx my_perl
189# define aTHXx_ aTHXx,
c5be433b 190# define dTHXx dTHX
22c35a8c 191#endif
71be2cbc 192
1de7c2ac
GS		 193/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
194 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
195 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
196#ifdef PERL_IMPLICIT_SYS
197# define dTHXs dTHX
198#else
199# define dTHXs dNOOP
200#endif
201
326b05e3
GS		 202#undef START_EXTERN_C
203#undef END_EXTERN_C
204#undef EXTERN_C
32f822de
GS		 205#ifdef __cplusplus
206# define START_EXTERN_C extern "C" {
207# define END_EXTERN_C }
208# define EXTERN_C extern "C"
209#else
d460ef45
NIS		 210# define START_EXTERN_C
211# define END_EXTERN_C
73c4f7a1 212# define EXTERN_C extern
32f822de
GS		 213#endif
214
462e5cf6
MB		 215#ifdef OP_IN_REGISTER
216# ifdef __GNUC__
217# define stringify_immed(s) #s
218# define stringify(s) stringify_immed(s)
d1ca3daa 219register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 220# endif
221#endif
222
728e2803 223/*
224 * STMT_START { statements; } STMT_END;
225 * can be used as a single statement, as in
226 * if (x) STMT_START { ... } STMT_END; else ...
227 *
228 * Trying to select a version that gives no warnings...
229 */
230#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 231# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 232# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
233# define STMT_END )
234# else
235 /* Now which other defined()s do we need here ??? */
236# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
237# define STMT_START if (1)
238# define STMT_END else (void)0
239# else
240# define STMT_START do
241# define STMT_END while (0)
242# endif
243# endif
244#endif
245
0cb96387 246#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 247#define WITH_THR(s) WITH_THX(s)
ea0efc06 248
55497cff 249/*
250 * SOFT_CAST can be used for args to prototyped functions to retain some
251 * type checking; it only casts if the compiler does not know prototypes.
252 */
253#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
254#define SOFT_CAST(type)
255#else
256#define SOFT_CAST(type) (type)
257#endif
79072805 258
6ee623d5 259#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 260# define BYTEORDER 0x1234
261#endif
262
263/* Overall memory policy? */
264#ifndef CONSERVATIVE
265# define LIBERAL 1
266#endif
267
8ada0baa
JH		 268#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
269#define ASCIIish
270#else
271#undef ASCIIish
272#endif
273
79072805
LW		 274/*
275 * The following contortions are brought to you on behalf of all the
276 * standards, semi-standards, de facto standards, not-so-de-facto standards
277 * of the world, as well as all the other botches anyone ever thought of.
278 * The basic theory is that if we work hard enough here, the rest of the
279 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
280 */
ac58e20f 281
ee0007ab 282/* define this once if either system, instead of cluttering up the src */
2986a63f 283#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 284#define DOSISH 1
285#endif
286
2986a63f 287#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 288# define STANDARD_C 1
289#endif
290
2986a63f 291#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 292# define DONT_DECLARE_STD 1
293#endif
294
352d5a3a 295#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 296# ifdef __cplusplus
cb69f87a 297# define VOL /* to temporarily suppress warnings */
79072805
LW		 298# else
299# define VOL volatile
300# endif
663a0e37 301#else
79072805 302# define VOL
663a0e37
LW		 303#endif
304
3280af22
NIS		 305#define TAINT (PL_tainted = TRUE)
306#define TAINT_NOT (PL_tainted = FALSE)
307#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
308#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 309#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 310
d460ef45 311/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 312 defines move there? If so, I could simplify this a lot. --AD 9/96.
313*/
314/* Process group stuff changed from traditional BSD to POSIX.
315 perlfunc.pod documents the traditional BSD-style syntax, so we'll
316 try to preserve that, if possible.
317*/
318#ifdef HAS_SETPGID
319# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 320#else
a6e633de 321# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
322# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
323# else
324# ifdef HAS_SETPGRP2 /* DG/UX */
325# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
326# endif
327# endif
328#endif
329#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
330# define HAS_SETPGRP /* Well, effectively it does . . . */
331#endif
332
333/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
334 our life easier :-) so we'll try it.
335*/
336#ifdef HAS_GETPGID
337# define BSD_GETPGRP(pid) getpgid((pid))
338#else
339# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
340# define BSD_GETPGRP(pid) getpgrp((pid))
341# else
342# ifdef HAS_GETPGRP2 /* DG/UX */
343# define BSD_GETPGRP(pid) getpgrp2((pid))
344# endif
345# endif
346#endif
347#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
348# define HAS_GETPGRP /* Well, effectively it does . . . */
349#endif
350
d460ef45 351/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 352 have different behaviors, but perl.h used to define USE_BSDPGRP
353 (prior to 5.003_05) so some extension might depend on it.
354*/
355#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
356# ifndef USE_BSDPGRP
357# define USE_BSDPGRP
358# endif
663a0e37
LW		 359#endif
360
8ac5a1fe
MH		 361/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
362 pthread.h must be included before all other header files.
363*/
4d1ff10f 364#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 365 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 366# include <pthread.h>
367#endif
368
760ac839
LW		 369#ifndef _TYPES_ /* If types.h defines this it's easy. */
370# ifndef major /* Does everyone's types.h define this? */
371# include <sys/types.h>
c07a80fd 372# endif
663a0e37
LW		 373#endif
374
760ac839
LW		 375#ifdef __cplusplus
376# ifndef I_STDARG
377# define I_STDARG 1
378# endif
379#endif
380
381#ifdef I_STDARG
382# include <stdarg.h>
383#else
384# ifdef I_VARARGS
385# include <varargs.h>
386# endif
387#endif
388
4633a7c4 389#ifdef USE_NEXT_CTYPE
0c30d9ec 390
092bebab
JH		 391#if NX_CURRENT_COMPILER_RELEASE >= 500
392# include <bsd/ctypes.h>
393#else
394# if NX_CURRENT_COMPILER_RELEASE >= 400
395# include <objc/NXCType.h>
396# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
397# include <appkit/NXCType.h>
398# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
399#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 400
401#else /* !USE_NEXT_CTYPE */
fe14fcc3 402#include <ctype.h>
0c30d9ec 403#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 404
405#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
406#undef METHOD
a0d0e21e
LW		 407#endif
408
12ae5dfc
JH		 409#ifdef PERL_MICRO
410# define NO_LOCALE
411#endif
412
4633a7c4 413#ifdef I_LOCALE
36477c24 414# include <locale.h>
4633a7c4
LW		 415#endif
416
36477c24 417#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
418# define USE_LOCALE
419# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
420 && defined(HAS_STRXFRM)
421# define USE_LOCALE_COLLATE
422# endif
423# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
424# define USE_LOCALE_CTYPE
425# endif
426# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
427# define USE_LOCALE_NUMERIC
428# endif
429#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 430
fe14fcc3 431#include <setjmp.h>
79072805 432
a0d0e21e 433#ifdef I_SYS_PARAM
79072805
LW		 434# ifdef PARAM_NEEDS_TYPES
435# include <sys/types.h>
436# endif
437# include <sys/param.h>
352d5a3a 438#endif
79072805 439
79072805 440/* Use all the "standard" definitions? */
a0d0e21e 441#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 442# include <stdlib.h>
ff68c719 443#endif
03a14243 444
3f270f98
JH		 445/* If this causes problems, set i_unistd=undef in the hint file. */
446#ifdef I_UNISTD
447# include <unistd.h>
448#endif
449
7114a2d2 450#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 451int syscall(int, ...);
452#endif
453
7114a2d2 454#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 455int usleep(unsigned int);
2ef53570
JH		 456#endif
457
9a34ef1d
GS		 458#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
459# define MYSWAP
460#endif
461
66a93824
NIS		 462/* Cannot include embed.h here on Win32 as win32.h has not
463 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
464 */
96e176bf 465#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 466# include "embed.h"
467#endif
468
c31fac66
GS		 469#define MEM_SIZE Size_t
470
51371543
GS		 471#if defined(STANDARD_C) && defined(I_STDDEF)
472# include <stddef.h>
473# define STRUCT_OFFSET(s,m) offsetof(s,m)
474#else
475# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
476#endif
477
478#if defined(I_STRING) || defined(__cplusplus)
479# include <string.h>
480#else
481# include <strings.h>
482#endif
483
55497cff 484/* This comes after <stdlib.h> so we don't try to change the standard
485 * library prototypes; we'll use our own in proto.h instead. */
03a14243 486
4633a7c4 487#ifdef MYMALLOC
86058a2d 488# ifdef PERL_POLLUTE_MALLOC
ee13e175 489# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 490# define Perl_malloc malloc
491# define Perl_calloc calloc
492# define Perl_realloc realloc
493# define Perl_mfree free
ee13e175 494# endif
86058a2d
GS		 495# else
496# define EMBEDMYMALLOC /* for compatibility */
497# endif
993c6a59 498START_EXTERN_C
20ce7b12
GS		 499Malloc_t Perl_malloc (MEM_SIZE nbytes);
500Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
501Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 502/* 'mfree' rather than 'free', since there is already a 'perl_free'
503 * that causes clashes with case-insensitive linkers */
20ce7b12 504Free_t Perl_mfree (Malloc_t where);
993c6a59 505END_EXTERN_C
55497cff 506
827e134a
GS		 507typedef struct perl_mstats perl_mstats_t;
508
651b9576
GS		 509# define safemalloc Perl_malloc
510# define safecalloc Perl_calloc
511# define saferealloc Perl_realloc
512# define safefree Perl_mfree
f2517201
GS		 513#else /* MYMALLOC */
514# define safemalloc safesysmalloc
515# define safecalloc safesyscalloc
516# define saferealloc safesysrealloc
517# define safefree safesysfree
55497cff 518#endif /* MYMALLOC */
4633a7c4 519
a0d0e21e
LW		 520#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
521#define strchr index
522#define strrchr rindex
523#endif
524
16d20bd9
AD		 525#ifdef I_MEMORY
526# include <memory.h>
527#endif
528
fe14fcc3 529#ifdef HAS_MEMCPY
85e6fe83 530# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 531# ifndef memcpy
20ce7b12 532 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 533# endif
534# endif
535#else
536# ifndef memcpy
537# ifdef HAS_BCOPY
538# define memcpy(d,s,l) bcopy(s,d,l)
539# else
540# define memcpy(d,s,l) my_bcopy(s,d,l)
541# endif
542# endif
543#endif /* HAS_MEMCPY */
fe14fcc3 544
ee0007ab 545#ifdef HAS_MEMSET
85e6fe83 546# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 547# ifndef memset
20ce7b12 548 extern char *memset (char*, int, int);
ee0007ab
LW		 549# endif
550# endif
ee0007ab 551#else
12ae5dfc 552# undef memset
fc36a67e 553# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 554#endif /* HAS_MEMSET */
555
85e6fe83 556#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 557# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 558# define memmove(d,s,l) bcopy(s,d,l)
559# else
2304df62 560# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 561# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 562# else
79072805 563# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 564# endif
352d5a3a 565# endif
d9d8d8de 566#endif
ee0007ab 567
36477c24 568#if defined(mips) && defined(ultrix) && !defined(__STDC__)
569# undef HAS_MEMCMP
570#endif
571
572#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 573# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 574# ifndef memcmp
20ce7b12 575 extern int memcmp (char*, char*, int);
ee0007ab
LW		 576# endif
577# endif
36477c24 578# ifdef BUGGY_MSC
579 # pragma function(memcmp)
580# endif
ee0007ab
LW		 581#else
582# ifndef memcmp
ecfc5424 583# define memcmp my_memcmp
352d5a3a 584# endif
36477c24 585#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 586
fc36a67e 587#ifndef memzero
c635e13b 588# ifdef HAS_MEMSET
589# define memzero(d,l) memset(d,0,l)
79072805 590# else
c635e13b 591# ifdef HAS_BZERO
592# define memzero(d,l) bzero(d,l)
79072805 593# else
fc36a67e 594# define memzero(d,l) my_bzero(d,l)
79072805
LW		 595# endif
596# endif
d9d8d8de 597#endif
378cc40b 598
0f27ced1
JH		 599#ifndef memchr
600# ifndef HAS_MEMCHR
601# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
602# endif
603#endif
604
36477c24 605#ifndef HAS_BCMP
606# ifndef bcmp
607# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 608# endif
36477c24 609#endif /* !HAS_BCMP */
378cc40b 610
ae986130 611#ifdef I_NETINET_IN
79072805 612# include <netinet/in.h>
ae986130
LW		 613#endif
614
28e8609d
JH		 615#ifdef I_ARPA_INET
616# include <arpa/inet.h>
617#endif
618
84902520
TB		 619#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
620/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
621 * (the neo-BSD seem to do this). */
622# undef SF_APPEND
623#endif
624
1aef975c 625#ifdef I_SYS_STAT
84902520 626# include <sys/stat.h>
1aef975c 627#endif
79072805 628
a0d0e21e
LW		 629/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
630 like UTekV) are broken, sometimes giving false positives. Undefine
631 them here and let the code below set them to proper values.
632
633 The ghs macro stands for GreenHills Software C-1.8.5 which
634 is the C compiler for sysV88 and the various derivatives.
635 This header file bug is corrected in gcc-2.5.8 and later versions.
636 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
637
638#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 639# undef S_ISDIR
640# undef S_ISCHR
641# undef S_ISBLK
642# undef S_ISREG
643# undef S_ISFIFO
644# undef S_ISLNK
ee0007ab 645#endif
135863df 646
663a0e37
LW		 647#ifdef I_TIME
648# include <time.h>
ffed7fef 649#endif
663a0e37 650
fe14fcc3 651#ifdef I_SYS_TIME
85e6fe83 652# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 653# define KERNEL
654# endif
655# include <sys/time.h>
85e6fe83 656# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 657# undef KERNEL
658# endif
a687059c 659#endif
135863df 660
55497cff 661#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 662# include <sys/times.h>
d9d8d8de 663#endif
8d063cd8 664
fe14fcc3 665#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 666# undef HAS_STRERROR
663a0e37
LW		 667#endif
668
669#include <errno.h>
1e743fda 670
acfe0abc 671#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 672# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
673#endif
674
4e0554ec
JH		 675/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
676#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
677# define _SOCKADDR_LEN
678#endif
679
8d3f517a 680#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 681# include <sys/socket.h>
682# if defined(USE_SOCKS) && defined(I_SOCKS)
683# if !defined(INCLUDE_PROTOTYPES)
684# define INCLUDE_PROTOTYPES /* for <socks.h> */
685# define PERL_SOCKS_NEED_PROTOTYPES
686# endif
4d1ff10f 687# ifdef USE_5005THREADS
c3dedce1 688# define PERL_USE_THREADS /* store our value */
4d1ff10f 689# undef USE_5005THREADS
c3dedce1 690# endif
1e743fda 691# include <socks.h>
4d1ff10f
AB		 692# ifdef USE_5005THREADS
693# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 694# endif
695# ifdef PERL_USE_THREADS
4d1ff10f 696# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 697# undef PERL_USE_THREADS
698# endif
1e743fda
JH		 699# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
700# undef INCLUDE_PROTOTYPES
701# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 702# endif
d460ef45 703# endif
1e743fda 704# ifdef I_NETDB
2986a63f
JH		 705# ifdef NETWARE
706# include<stdio.h>
707# endif
1e743fda
JH		 708# include <netdb.h>
709# endif
710# ifndef ENOTSOCK
711# ifdef I_NET_ERRNO
712# include <net/errno.h>
713# endif
714# endif
715#endif
716
fa0a29af 717/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 718 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 719#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 720int sockatmark(int);
721#endif
722
1e743fda
JH		 723#ifdef SETERRNO
724# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 725#endif
f86702cc 726
727#ifdef VMS
728# define SETERRNO(errcode,vmserrcode) \
729 STMT_START { \
730 set_errno(errcode); \
731 set_vaxc_errno(vmserrcode); \
732 } STMT_END
748a9306 733#else
aba27d88 734# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 735#endif
ed6116ce 736
4d1ff10f 737#ifdef USE_5005THREADS
38a03e6e 738# define ERRSV (thr->errsv)
940cb80d
MB		 739# define DEFSV THREADSV(0)
740# define SAVE_DEFSV save_threadsv(0)
38a03e6e 741#else
3280af22 742# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 743# define DEFSV GvSV(PL_defgv)
744# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 745#endif /* USE_5005THREADS */
38a03e6e 746
98eae8f5
GS		 747#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
748
55497cff 749#ifndef errno
5ff3f7a4
GS		 750 extern int errno; /* ANSI allows errno to be an lvalue expr.
751 * For example in multithreaded environments
752 * something like this might happen:
753 * extern int *_errno(void);
754 * #define errno (*_errno()) */
d9d8d8de 755#endif
663a0e37 756
2304df62 757#ifdef HAS_STRERROR
a0d0e21e 758# ifdef VMS
20ce7b12 759 char *strerror (int,...);
a0d0e21e 760# else
68dc0745 761#ifndef DONT_DECLARE_STD
20ce7b12 762 char *strerror (int);
68dc0745 763#endif
a0d0e21e 764# endif
2304df62
AD		 765# ifndef Strerror
766# define Strerror strerror
767# endif
768#else
769# ifdef HAS_SYS_ERRLIST
79072805
LW		 770 extern int sys_nerr;
771 extern char *sys_errlist[];
2304df62
AD		 772# ifndef Strerror
773# define Strerror(e) \
79072805 774 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 775# endif
79072805 776# endif
35c8bce7 777#endif
663a0e37 778
2304df62 779#ifdef I_SYS_IOCTL
79072805
LW		 780# ifndef _IOCTL_
781# include <sys/ioctl.h>
782# endif
a687059c
LW		 783#endif
784
ee0007ab 785#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 786# ifdef HAS_SOCKETPAIR
787# undef HAS_SOCKETPAIR
788# endif
2304df62
AD		 789# ifdef I_NDBM
790# undef I_NDBM
79072805 791# endif
a687059c
LW		 792#endif
793
02fc2eee
NC		 794#ifndef HAS_SOCKETPAIR
795# ifdef HAS_SOCKET
796# define socketpair Perl_my_socketpair
797# endif
798#endif
799
a687059c 800#if INTSIZE == 2
79072805
LW		 801# define htoni htons
802# define ntohi ntohs
a687059c 803#else
79072805
LW		 804# define htoni htonl
805# define ntohi ntohl
a687059c
LW		 806#endif
807
a0d0e21e 808/* Configure already sets Direntry_t */
35c8bce7 809#if defined(I_DIRENT)
663a0e37 810# include <dirent.h>
8f1f23e8
W		 811 /* NeXT needs dirent + sys/dir.h */
812# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 813# include <sys/dir.h>
814# endif
ae986130 815#else
fe14fcc3 816# ifdef I_SYS_NDIR
79a0689e 817# include <sys/ndir.h>
663a0e37 818# else
fe14fcc3 819# ifdef I_SYS_DIR
79a0689e
LW		 820# ifdef hp9000s500
821# include <ndir.h> /* may be wrong in the future */
822# else
823# include <sys/dir.h>
824# endif
663a0e37
LW		 825# endif
826# endif
4633a7c4 827#endif
a687059c 828
12ae5dfc
JH		 829#ifdef PERL_MICRO
830# ifndef DIR
831# define DIR void
832# endif
833#endif
834
352d5a3a
LW		 835#ifdef FPUTS_BOTCH
836/* work around botch in SunOS 4.0.1 and 4.0.2 */
837# ifndef fputs
79072805 838# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 839# endif
840#endif
841
c623bd54
LW		 842/*
843 * The following gobbledygook brought to you on behalf of __STDC__.
844 * (I could just use #ifndef __STDC__, but this is more bulletproof
845 * in the face of half-implementations.)
846 */
847
7114a2d2 848#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 849#include <sys/mode.h>
850#endif
851
c623bd54
LW		 852#ifndef S_IFMT
853# ifdef _S_IFMT
854# define S_IFMT _S_IFMT
855# else
856# define S_IFMT 0170000
857# endif
858#endif
859
860#ifndef S_ISDIR
861# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
862#endif
863
864#ifndef S_ISCHR
865# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
866#endif
867
868#ifndef S_ISBLK
fe14fcc3
LW		 869# ifdef S_IFBLK
870# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
871# else
872# define S_ISBLK(m) (0)
873# endif
c623bd54
LW		 874#endif
875
876#ifndef S_ISREG
877# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
878#endif
879
880#ifndef S_ISFIFO
fe14fcc3
LW		 881# ifdef S_IFIFO
882# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
883# else
884# define S_ISFIFO(m) (0)
885# endif
c623bd54
LW		 886#endif
887
888#ifndef S_ISLNK
889# ifdef _S_ISLNK
890# define S_ISLNK(m) _S_ISLNK(m)
891# else
892# ifdef _S_IFLNK
893# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
894# else
895# ifdef S_IFLNK
896# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
897# else
898# define S_ISLNK(m) (0)
899# endif
900# endif
901# endif
902#endif
903
904#ifndef S_ISSOCK
905# ifdef _S_ISSOCK
906# define S_ISSOCK(m) _S_ISSOCK(m)
907# else
908# ifdef _S_IFSOCK
909# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
910# else
911# ifdef S_IFSOCK
912# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
913# else
914# define S_ISSOCK(m) (0)
915# endif
916# endif
917# endif
918#endif
919
920#ifndef S_IRUSR
921# ifdef S_IREAD
922# define S_IRUSR S_IREAD
923# define S_IWUSR S_IWRITE
924# define S_IXUSR S_IEXEC
925# else
926# define S_IRUSR 0400
927# define S_IWUSR 0200
928# define S_IXUSR 0100
929# endif
fac7cdfc
JS		 930#endif
931
932#ifndef S_IRGRP
933# ifdef S_IRUSR
934# define S_IRGRP (S_IRUSR>>3)
935# define S_IWGRP (S_IWUSR>>3)
936# define S_IXGRP (S_IXUSR>>3)
937# else
938# define S_IRGRP 0040
939# define S_IWGRP 0020
940# define S_IXGRP 0010
941# endif
942#endif
943
944#ifndef S_IROTH
945# ifdef S_IRUSR
946# define S_IROTH (S_IRUSR>>6)
947# define S_IWOTH (S_IWUSR>>6)
948# define S_IXOTH (S_IXUSR>>6)
949# else
950# define S_IROTH 0040
951# define S_IWOTH 0020
952# define S_IXOTH 0010
953# endif
c623bd54
LW		 954#endif
955
956#ifndef S_ISUID
957# define S_ISUID 04000
958#endif
959
960#ifndef S_ISGID
961# define S_ISGID 02000
962#endif
963
ca6e1c26
JH		 964#ifndef S_IRWXU
965# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 966#endif
ca6e1c26
JH		 967
968#ifndef S_IRWXG
969# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 970#endif
ca6e1c26
JH		 971
972#ifndef S_IRWXO
973# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 974#endif
ca6e1c26 975
c21fb2b8
JH		 976/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
977 * which would get included through <sys/file.h >, but that is 3000
978 * lines in the future. --jhi */
979
980#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 981# define S_IREAD S_IRUSR
982#endif
983
c21fb2b8 984#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 985# define S_IWRITE S_IWUSR
986#endif
987
988#ifndef S_IEXEC
989# define S_IEXEC S_IXUSR
990#endif
991
79072805
LW		 992#ifdef ff_next
993# undef ff_next
352d5a3a
LW		 994#endif
995
a0d0e21e 996#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 997# define SLOPPYDIVIDE
998#endif
999
748a9306
LW		 1000#ifdef UV
1001#undef UV
1002#endif
1003
c89df6bf
JH		 1004#ifdef SPRINTF_E_BUG
1005# define sprintf UTS_sprintf_wrap
1006#endif
1007
c495e728
JH		 1008/* Configure gets this right but the UTS compiler gets it wrong.
1009 -- Hal Morris <hom00@utsglobal.com> */
1010#ifdef UTS
1011# undef UVTYPE
1012# define UVTYPE unsigned
1013#endif
1014
05f13f53 1015/*
27d4fb96 1016 The IV type is supposed to be long enough to hold any integral
1017 value or a pointer.
1018 --Andy Dougherty August 1996
1019*/
1020
a22e52b9
JH		 1021typedef IVTYPE IV;
1022typedef UVTYPE UV;
8175356b 1023
10cc9d2a 1024#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1025# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1026# define IV_MAX INT64_MAX
1027# define IV_MIN INT64_MIN
1028# define UV_MAX UINT64_MAX
cae7ae48
JH		 1029# ifndef UINT64_MIN
1030# define UINT64_MIN 0
1031# endif
5ff3f7a4
GS		 1032# define UV_MIN UINT64_MIN
1033# else
1034# define IV_MAX PERL_QUAD_MAX
1035# define IV_MIN PERL_QUAD_MIN
1036# define UV_MAX PERL_UQUAD_MAX
1037# define UV_MIN PERL_UQUAD_MIN
1038# endif
cf2093f6
JH		 1039# define IV_IS_QUAD
1040# define UV_IS_QUAD
79072805 1041#else
8175356b 1042# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1043# define IV_MAX INT32_MAX
1044# define IV_MIN INT32_MIN
716026f9
DL		 1045# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1046# define UV_MAX UINT32_MAX
1047# else
1048# define UV_MAX 4294967295U
1049# endif
cae7ae48
JH		 1050# ifndef UINT32_MIN
1051# define UINT32_MIN 0
1052# endif
5ff3f7a4
GS		 1053# define UV_MIN UINT32_MIN
1054# else
1055# define IV_MAX PERL_LONG_MAX
1056# define IV_MIN PERL_LONG_MIN
1057# define UV_MAX PERL_ULONG_MAX
1058# define UV_MIN PERL_ULONG_MIN
1059# endif
8175356b 1060# if IVSIZE == 8
cf2093f6
JH		 1061# define IV_IS_QUAD
1062# define UV_IS_QUAD
de1c2614
JH		 1063# ifndef HAS_QUAD
1064# define HAS_QUAD
1065# endif
cf2093f6
JH		 1066# else
1067# undef IV_IS_QUAD
1068# undef UV_IS_QUAD
de1c2614 1069# undef HAS_QUAD
cf2093f6 1070# endif
79072805 1071#endif
d7d93a81 1072
6cde8aec 1073#if defined(uts) || defined(UTS)
11afe549
HM		 1074# undef UV_MAX
1075# define UV_MAX (4294967295u)
20601011
JH		 1076#endif
1077
cae7ae48 1078#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1079#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1080
28e5dec8 1081#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1082#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1083#endif
1084
d460ef45 1085/*
26bb67e2
JH		 1086 * The macros INT2PTR and NUM2PTR are (despite their names)
1087 * bi-directional: they will convert int/float to or from pointers.
1088 * However the conversion to int/float are named explicitly:
1089 * PTR2IV, PTR2UV, PTR2NV.
1090 *
1091 * For int conversions we do not need two casts if pointers are
1092 * the same size as IV and UV. Otherwise we need an explicit
1093 * cast (PTRV) to avoid compiler warnings.
1094 */
56431972
RB		 1095#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1096# define PTRV UV
1097# define INT2PTR(any,d) (any)(d)
1098#else
d460ef45 1099# if PTRSIZE == LONGSIZE
56431972 1100# define PTRV unsigned long
42718184 1101# else
56431972 1102# define PTRV unsigned
42718184 1103# endif
56431972 1104# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1105#endif
56431972
RB		 1106#define NUM2PTR(any,d) (any)(PTRV)(d)
1107#define PTR2IV(p) INT2PTR(IV,p)
1108#define PTR2UV(p) INT2PTR(UV,p)
1109#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1110#if PTRSIZE == LONGSIZE
d2560b70
RB		 1111# define PTR2ul(p) (unsigned long)(p)
1112#else
1113# define PTR2ul(p) INT2PTR(unsigned long,p)
1114#endif
d460ef45 1115
65202027 1116#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1117# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1118# define LONG_DOUBLE_EQUALS_DOUBLE
1119# endif
68d4903c 1120# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1121# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1122# endif
1123#endif
1124
2d4389e4
JH		 1125#ifdef OVR_DBL_DIG
1126/* Use an overridden DBL_DIG */
1127# ifdef DBL_DIG
1128# undef DBL_DIG
1129# endif
1130# define DBL_DIG OVR_DBL_DIG
1131#else
1132/* The following is all to get DBL_DIG, in order to pick a nice
1133 default value for printing floating point numbers in Gconvert.
1134 (see config.h)
1135*/
1136#ifdef I_LIMITS
1137#include <limits.h>
1138#endif
1139#ifdef I_FLOAT
1140#include <float.h>
1141#endif
1142#ifndef HAS_DBL_DIG
1143#define DBL_DIG 15 /* A guess that works lots of places */
1144#endif
1145#endif
cbca01e1
JH		 1146#ifdef I_FLOAT
1147#include <float.h>
1148#endif
1149#ifndef HAS_DBL_DIG
1150#define DBL_DIG 15 /* A guess that works lots of places */
1151#endif
2d4389e4
JH		 1152
1153#ifdef OVR_LDBL_DIG
1154/* Use an overridden LDBL_DIG */
1155# ifdef LDBL_DIG
1156# undef LDBL_DIG
1157# endif
1158# define LDBL_DIG OVR_LDBL_DIG
1159#else
1160/* The following is all to get LDBL_DIG, in order to pick a nice
1161 default value for printing floating point numbers in Gconvert.
1162 (see config.h)
1163*/
68d4903c
JH		 1164# ifdef I_LIMITS
1165# include <limits.h>
1166# endif
1167# ifdef I_FLOAT
1168# include <float.h>
1169# endif
1170# ifndef HAS_LDBL_DIG
1171# if LONG_DOUBLESIZE == 10
1172# define LDBL_DIG 18 /* assume IEEE */
1173# else
1174# if LONG_DOUBLESIZE == 12
1175# define LDBL_DIG 18 /* gcc? */
1176# else
1177# if LONG_DOUBLESIZE == 16
1178# define LDBL_DIG 33 /* assume IEEE */
1179# else
1180# if LONG_DOUBLESIZE == DOUBLESIZE
1181# define LDBL_DIG DBL_DIG /* bummer */
1182# endif
1183# endif
1184# endif
1185# endif
1186# endif
2d4389e4
JH		 1187#endif
1188
a22e52b9 1189typedef NVTYPE NV;
8175356b 1190
792d8dab
JH		 1191#ifdef I_IEEEFP
1192# include <ieeefp.h>
1193#endif
923fc586 1194
65202027 1195#ifdef USE_LONG_DOUBLE
923fc586
JH		 1196# ifdef I_SUNMATH
1197# include <sunmath.h>
1198# endif
2d4389e4 1199# define NV_DIG LDBL_DIG
d6c14000
JH		 1200# ifdef LDBL_MANT_DIG
1201# define NV_MANT_DIG LDBL_MANT_DIG
1202# endif
06fc1729
JH		 1203# ifdef LDBL_MIN
1204# define NV_MIN LDBL_MIN
1205# endif
1206# ifdef LDBL_MAX
1207# define NV_MAX LDBL_MAX
1208# endif
1209# ifdef LDBL_MIN_10_EXP
1210# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1211# endif
1212# ifdef LDBL_MAX_10_EXP
1213# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1214# endif
1215# ifdef LDBL_EPSILON
1216# define NV_EPSILON LDBL_EPSILON
1217# endif
f4a14a62
JH		 1218# ifdef LDBL_MAX
1219# define NV_MAX LDBL_MAX
1220# define NV_MIN LDBL_MIN
1221# else
1222# ifdef HUGE_VALL
1223# define NV_MAX HUGE_VALL
1224# else
1225# ifdef HUGE_VAL
1226# define NV_MAX ((NV)HUGE_VAL)
1227# endif
1228# endif
1229# endif
68d4903c 1230# ifdef HAS_SQRTL
68d4903c
JH		 1231# define Perl_cos cosl
1232# define Perl_sin sinl
1233# define Perl_sqrt sqrtl
1234# define Perl_exp expl
1235# define Perl_log logl
1236# define Perl_atan2 atan2l
1237# define Perl_pow powl
1238# define Perl_floor floorl
1239# define Perl_fmod fmodl
1240# endif
a3540c92
JH		 1241/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1242# ifdef HAS_MODFL
1243# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1244/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1245 prototype in <math.h> */
1246# ifndef HAS_MODFL_PROTO
1247long double modfl(long double, long double *);
1248# endif
e82e08d5
JH		 1249# else
1250# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1251# endif
1252# ifdef HAS_FREXPL
dff3e0b8 1253# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1254# else
1255# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1256# endif
38dbb4c5 1257# ifndef Perl_isnan
758a5d79
JH		 1258# ifdef HAS_ISNANL
1259# define Perl_isnan(x) isnanl(x)
1260# endif
1261# endif
1262# ifndef Perl_isinf
1263# ifdef HAS_FINITEL
1264# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1265# endif
1266# endif
65202027 1267#else
2d4389e4 1268# define NV_DIG DBL_DIG
d6c14000
JH		 1269# ifdef DBL_MANT_DIG
1270# define NV_MANT_DIG DBL_MANT_DIG
1271# endif
06fc1729
JH		 1272# ifdef DBL_MIN
1273# define NV_MIN DBL_MIN
1274# endif
1275# ifdef DBL_MAX
1276# define NV_MAX DBL_MAX
1277# endif
1278# ifdef DBL_MIN_10_EXP
1279# define NV_MIN_10_EXP DBL_MIN_10_EXP
1280# endif
1281# ifdef DBL_MAX_10_EXP
1282# define NV_MAX_10_EXP DBL_MAX_10_EXP
1283# endif
1284# ifdef DBL_EPSILON
1285# define NV_EPSILON DBL_EPSILON
1286# endif
f4a14a62
JH		 1287# ifdef DBL_MAX
1288# define NV_MAX DBL_MAX
1289# define NV_MIN DBL_MIN
1290# else
1291# ifdef HUGE_VAL
1292# define NV_MAX HUGE_VAL
1293# endif
1294# endif
65202027
DS		 1295# define Perl_cos cos
1296# define Perl_sin sin
1297# define Perl_sqrt sqrt
1298# define Perl_exp exp
1299# define Perl_log log
1300# define Perl_atan2 atan2
1301# define Perl_pow pow
1302# define Perl_floor floor
65202027 1303# define Perl_fmod fmod
a3540c92 1304# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1305# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1306#endif
1307
1308/* rumor has it that Win32 has _fpclass() */
1309
1310#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1311# ifdef I_IEEFP
1312# include <ieeefp.h>
1313# endif
1314# ifdef I_FP
1315# include <fp.h>
1316# endif
1317# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1318# define Perl_fp_class() fpclassl(x)
1319# else
1320# define Perl_fp_class() fpclass(x)
1321# endif
1322# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1323# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1324# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1325# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1326# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1327# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1328# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1329# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1330# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1331# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1332# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1333# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1334# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1335# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1336# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1337#endif
1338
7114a2d2 1339#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1340# include <math.h>
1341# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1342# include <fp_class.h>
1343# endif
1344# define Perl_fp_class(x) fp_class(x)
1345# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1346# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1347# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1348# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1349# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1350# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1351# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1352# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1353# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1354# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1355# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1356# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1357# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1358# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1359# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1360#endif
1361
1362#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1363# include <math.h>
1364# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1365# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1366# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1367# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1368# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1369# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1370#endif
1371
1372#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1373# include <math.h>
1374# ifndef _cplusplus
1375# define Perl_fp_class(x) class(x)
1376# else
1377# define Perl_fp_class(x) _class(x)
1378# endif
1379# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1380# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1381# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1382# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1383# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1384# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1385# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1386# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1387# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1388# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1389# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1390# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1391# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1392# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1393# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1394#endif
1395
1396/* rumor has it that Win32 has _isnan() */
1397
1398#ifndef Perl_isnan
a3540c92 1399# ifdef HAS_ISNAN
758a5d79
JH		 1400# define Perl_isnan(x) isnan((NV)x)
1401# else
1402# ifdef Perl_fp_class_nan
1403# define Perl_isnan(x) Perl_fp_class_nan(x)
1404# else
1405# ifdef HAS_UNORDERED
1406# define Perl_isnan(x) unordered((x), 0.0)
1407# else
1408# define Perl_isnan(x) ((x)!=(x))
1409# endif
1410# endif
1411# endif
1412#endif
1413
ca6c63e1
JH		 1414#ifdef UNDER_CE
1415int isnan(double d);
1416#endif
1417
758a5d79
JH		 1418#ifndef Perl_isinf
1419# ifdef HAS_ISINF
1420# define Perl_isinf(x) isinf((NV)x)
a3540c92 1421# else
758a5d79
JH		 1422# ifdef Perl_fp_class_inf
1423# define Perl_isinf(x) Perl_fp_class_inf(x)
1424# else
1425# define Perl_isinf(x) ((x)==NV_INF)
1426# endif
1427# endif
1428#endif
1429
1430#ifndef Perl_isfinite
1431# ifdef HAS_FINITE
1432# define Perl_isfinite(x) finite((NV)x)
1433# else
1434# ifdef HAS_ISFINITE
1435# define Perl_isfinite(x) isfinite(x)
1436# else
1437# ifdef Perl_fp_class_finite
1438# define Perl_isfinite(x) Perl_fp_class_finite(x)
1439# else
1440# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1441# endif
1442# endif
a3540c92 1443# endif
65202027
DS		 1444#endif
1445
a36244b7
JH		 1446/* The default is to use Perl's own atof() implementation (in numeric.c).
1447 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1448 * it is however best to use the native implementation of atof.
1449 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1450 * Some good tests to try out with either setting are t/base/num.t,
1451 * t/op/numconvert.t, and t/op/pack.t. */
1452
1453#ifndef USE_PERL_ATOF
1454# ifndef _UNICOS
1455# define USE_PERL_ATOF
1456# endif
1457#else
1458# if USE_PERL_ATOF == 0
1459# undef USE_PERL_ATOF
1460# endif
1461#endif
1462
1463#ifdef USE_PERL_ATOF
1464# define Perl_atof(s) Perl_my_atof(s)
1465# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1466#else
1467# define Perl_atof(s) (NV)atof(s)
1468# define Perl_atof2(s, n) ((n) = atof(s))
1469#endif
cf2093f6 1470
d460ef45 1471/* Previously these definitions used hardcoded figures.
760ac839
LW		 1472 * It is hoped these formula are more portable, although
1473 * no data one way or another is presently known to me.
1474 * The "PERL_" names are used because these calculated constants
1475 * do not meet the ANSI requirements for LONG_MAX, etc., which
1476 * need to be constants acceptable to #if - kja
1477 * define PERL_LONG_MAX 2147483647L
1478 * define PERL_LONG_MIN (-LONG_MAX - 1)
1479 * define PERL ULONG_MAX 4294967295L
1480 */
1481
1482#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1483# include <limits.h>
1484#else
1485#ifdef I_VALUES
1486# include <values.h>
1487#endif
1488#endif
1489
99abf803 1490/*
1491 * Try to figure out max and min values for the integral types. THE CORRECT
1492 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1493 * following hacks are used if neither limits.h or values.h provide them:
1494 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1495 * for types < int: (unsigned TYPE)~(unsigned)0
1496 * The argument to ~ must be unsigned so that later signed->unsigned
1497 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1498 * and it must not be smaller than int because ~ does integral promotion.
1499 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1500 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1501 * The latter is a hack which happens to work on some machines but
1502 * does *not* catch any random system, or things like integer types
1503 * with NaN if that is possible.
1504 *
1505 * All of the types are explicitly cast to prevent accidental loss of
1506 * numeric range, and in the hope that they will be less likely to confuse
1507 * over-eager optimizers.
1508 *
1509 */
27d4fb96 1510
99abf803 1511#define PERL_UCHAR_MIN ((unsigned char)0)
1512
1513#ifdef UCHAR_MAX
1514# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1515#else
99abf803 1516# ifdef MAXUCHAR
1517# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1518# else
99abf803 1519# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1520# endif
1521#endif
d460ef45 1522
99abf803 1523/*
1524 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1525 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1526 * depending on local options. Until Configure detects this (or at least
1527 * detects whether the "signed" keyword is available) the CHAR ranges
1528 * will not be included. UCHAR functions normally.
1529 * - kja
1530 */
27d4fb96 1531
99abf803 1532#define PERL_USHORT_MIN ((unsigned short)0)
1533
1534#ifdef USHORT_MAX
1535# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1536#else
99abf803 1537# ifdef MAXUSHORT
1538# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1539# else
ef2f54b0
CB		 1540# ifdef USHRT_MAX
1541# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1542# else
1543# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1544# endif
27d4fb96 1545# endif
1546#endif
1547
27d4fb96 1548#ifdef SHORT_MAX
99abf803 1549# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1550#else
1551# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1552# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1553# else
ef2f54b0
CB		 1554# ifdef SHRT_MAX
1555# define PERL_SHORT_MAX ((short)SHRT_MAX)
1556# else
1557# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1558# endif
27d4fb96 1559# endif
1560#endif
1561
1562#ifdef SHORT_MIN
99abf803 1563# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1564#else
1565# ifdef MINSHORT
99abf803 1566# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1567# else
ef2f54b0
CB		 1568# ifdef SHRT_MIN
1569# define PERL_SHORT_MIN ((short)SHRT_MIN)
1570# else
1571# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1572# endif
27d4fb96 1573# endif
1574#endif
1575
99abf803 1576#ifdef UINT_MAX
1577# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1578#else
99abf803 1579# ifdef MAXUINT
1580# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1581# else
99abf803 1582# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1583# endif
1584#endif
1585
99abf803 1586#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1587
1588#ifdef INT_MAX
99abf803 1589# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1590#else
1591# ifdef MAXINT /* Often used in <values.h> */
99abf803 1592# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1593# else
99abf803 1594# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1595# endif
1596#endif
1597
1598#ifdef INT_MIN
99abf803 1599# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1600#else
1601# ifdef MININT
99abf803 1602# define PERL_INT_MIN ((int)MININT)
27d4fb96 1603# else
1604# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1605# endif
1606#endif
1607
99abf803 1608#ifdef ULONG_MAX
1609# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1610#else
99abf803 1611# ifdef MAXULONG
1612# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1613# else
99abf803 1614# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1615# endif
1616#endif
1617
99abf803 1618#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1619
760ac839 1620#ifdef LONG_MAX
99abf803 1621# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1622#else
1623# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1624# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1625# else
99abf803 1626# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1627# endif
1628#endif
1629
1630#ifdef LONG_MIN
99abf803 1631# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1632#else
1633# ifdef MINLONG
99abf803 1634# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1635# else
27d4fb96 1636# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1637# endif
1638#endif
1639
d7d93a81 1640#ifdef UV_IS_QUAD
99abf803 1641
99abf803 1642# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1643# define PERL_UQUAD_MIN ((UV)0)
99abf803 1644# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1645# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1646
79072805
LW		 1647#endif
1648
880b20b6
IZ		 1649struct perl_mstats {
1650 UV *nfree;
1651 UV *ntotal;
1652 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1653 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1654 IV minbucket;
1655 /* Level 1 info */
1656 UV *bucket_mem_size;
1657 UV *bucket_available_size;
1658 UV nbuckets;
1659};
830247a4 1660struct RExC_state_t;
880b20b6 1661
ee0007ab 1662typedef MEM_SIZE STRLEN;
450a55e4 1663
79072805
LW		 1664typedef struct op OP;
1665typedef struct cop COP;
1666typedef struct unop UNOP;
1667typedef struct binop BINOP;
1668typedef struct listop LISTOP;
1669typedef struct logop LOGOP;
79072805
LW		 1670typedef struct pmop PMOP;
1671typedef struct svop SVOP;
7934575e 1672typedef struct padop PADOP;
79072805 1673typedef struct pvop PVOP;
79072805
LW		 1674typedef struct loop LOOP;
1675
93a17b20 1676typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1677
1678/* Amdahl's <ksync.h> has struct sv */
1679/* SGI's <sys/sema.h> has struct sv */
1680#if defined(UTS) || defined(__sgi)
1681# define STRUCT_SV perl_sv
b8d3c5db
JH		 1682#else
1683# define STRUCT_SV sv
1684#endif
1685typedef struct STRUCT_SV SV;
79072805
LW		 1686typedef struct av AV;
1687typedef struct hv HV;
1688typedef struct cv CV;
378cc40b 1689typedef struct regexp REGEXP;
79072805 1690typedef struct gp GP;
0c30d9ec 1691typedef struct gv GV;
8990e307 1692typedef struct io IO;
c09156bb 1693typedef struct context PERL_CONTEXT;
79072805
LW		 1694typedef struct block BLOCK;
1695
1696typedef struct magic MAGIC;
ed6116ce 1697typedef struct xrv XRV;
79072805
LW		 1698typedef struct xpv XPV;
1699typedef struct xpviv XPVIV;
ff68c719 1700typedef struct xpvuv XPVUV;
79072805
LW		 1701typedef struct xpvnv XPVNV;
1702typedef struct xpvmg XPVMG;
1703typedef struct xpvlv XPVLV;
1704typedef struct xpvav XPVAV;
1705typedef struct xpvhv XPVHV;
1706typedef struct xpvgv XPVGV;
1707typedef struct xpvcv XPVCV;
1708typedef struct xpvbm XPVBM;
1709typedef struct xpvfm XPVFM;
8990e307 1710typedef struct xpvio XPVIO;
79072805
LW		 1711typedef struct mgvtbl MGVTBL;
1712typedef union any ANY;
5f7fde29
GS		 1713typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1714typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1715typedef struct clone_params CLONE_PARAMS;
1716
8d063cd8 1717
378cc40b 1718#include "handy.h"
a0d0e21e 1719
6b8eaf93 1720#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1721# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1722# define USE_64_BIT_RAWIO /* implicit */
1723# endif
4564133c
JH		 1724#endif
1725
6b8eaf93
JH		 1726/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1727 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1728 * however, because operating systems like to do that themself. */
1729#ifndef FSEEKSIZE
1730# ifdef HAS_FSEEKO
1731# define FSEEKSIZE LSEEKSIZE
1732# else
1733# define FSEEKSIZE LONGSIZE
d460ef45 1734# endif
6b8eaf93
JH		 1735#endif
1736
1737#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1738# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1739# define USE_64_BIT_STDIO /* implicit */
1740# endif
1741#endif
4564133c 1742
09458382 1743#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1744# ifdef HAS_OFF64_T
1745# undef Off_t
1746# define Off_t off64_t
1747# undef LSEEKSIZE
1748# define LSEEKSIZE 8
5ff3f7a4 1749# endif
d9b3e12d
JH		 1750/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1751 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1752 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1753# if defined(USE_OPEN64)
1754# define open open64
5ff3f7a4 1755# endif
d9b3e12d
JH		 1756# if defined(USE_LSEEK64)
1757# define lseek lseek64
6b8eaf93
JH		 1758# else
1759# if defined(USE_LLSEEK)
1760# define lseek llseek
1761# endif
d9b3e12d
JH		 1762# endif
1763# if defined(USE_STAT64)
1764# define stat stat64
1765# endif
1766# if defined(USE_FSTAT64)
1767# define fstat fstat64
1768# endif
1769# if defined(USE_LSTAT64)
1770# define lstat lstat64
1771# endif
1772# if defined(USE_FLOCK64)
1773# define flock flock64
1774# endif
1775# if defined(USE_LOCKF64)
1776# define lockf lockf64
1777# endif
1778# if defined(USE_FCNTL64)
1779# define fcntl fcntl64
1780# endif
1781# if defined(USE_TRUNCATE64)
1782# define truncate truncate64
1783# endif
1784# if defined(USE_FTRUNCATE64)
1785# define ftruncate ftruncate64
1786# endif
1787#endif
1788
1789#ifdef USE_64_BIT_STDIO
1790# ifdef HAS_FPOS64_T
1791# undef Fpos_t
1792# define Fpos_t fpos64_t
1793# endif
1794/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1795 * will trigger defines like the ones below. Some 64-bit environments,
1796 * however, do not. */
1797# if defined(USE_FOPEN64)
1798# define fopen fopen64
1799# endif
1800# if defined(USE_FSEEK64)
6b8eaf93 1801# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1802# endif
1803# if defined(USE_FTELL64)
6b8eaf93 1804# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1805# endif
1806# if defined(USE_FSETPOS64)
1807# define fsetpos fsetpos64
1808# endif
1809# if defined(USE_FGETPOS64)
1810# define fgetpos fgetpos64
1811# endif
1812# if defined(USE_TMPFILE64)
1813# define tmpfile tmpfile64
1814# endif
1815# if defined(USE_FREOPEN64)
1816# define freopen freopen64
5ff3f7a4
GS		 1817# endif
1818#endif
1819
af8b425d 1820#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1821# include "iperlsys.h"
1822#endif
1823
6f71a643 1824#if defined(__OPEN_VM)
19848b3f
JH		 1825# include "vmesa/vmesaish.h"
1826# define ISHISH "vmesa"
6f71a643
JH		 1827#endif
1828
748a9306 1829#ifdef DOSISH
19848b3f
JH		 1830# if defined(OS2)
1831# include "os2ish.h"
1832# else
1833# include "dosish.h"
1834# endif
1835# define ISHISH "dos"
1836#endif
1837
1838#if defined(VMS)
748a9306 1839# include "vmsish.h"
96e176bf 1840# include "embed.h"
19848b3f
JH		 1841# define ISHISH "vms"
1842#endif
1843
1844#if defined(PLAN9)
1845# include "./plan9/plan9ish.h"
1846# define ISHISH "plan9"
1847#endif
1848
1849#if defined(MPE)
1850# include "mpeix/mpeixish.h"
1851# define ISHISH "mpeix"
1852#endif
1853
1854#if defined(__VOS__)
196918b0
PG		 1855# ifdef __GNUC__
1856# include "./vos/vosish.h"
1857# else
1858# include "vos/vosish.h"
1859# endif
19848b3f
JH		 1860# define ISHISH "vos"
1861#endif
1862
1863#if defined(EPOC)
1864# include "epocish.h"
1865# define ISHISH "epoc"
1866#endif
1867
1868#if defined(MACOS_TRADITIONAL)
1869# include "macos/macish.h"
1870# ifndef NO_ENVIRON_ARRAY
1871# define NO_ENVIRON_ARRAY
0c30d9ec 1872# endif
19848b3f
JH		 1873# define ISHISH "macos classic"
1874#endif
1875
efca5cc6
JH		 1876#if defined(__BEOS__)
1877# include "beos/beosish.h"
1878# define ISHISH "beos"
1879#endif
1880
19848b3f
JH		 1881#ifndef ISHISH
1882# include "unixish.h"
1883# define ISHISH "unix"
13b6e58c
JH		 1884#endif
1885
1886#ifndef NO_ENVIRON_ARRAY
1887# define USE_ENVIRON_ARRAY
1888#endif
32f822de 1889
c77b533b
JH		 1890/*
1891 * initialise to avoid floating-point exceptions from overflow, etc
1892 */
1893#ifndef PERL_FPU_INIT
1894# ifdef HAS_FPSETMASK
1895# if HAS_FLOATINGPOINT_H
1896# include <floatingpoint.h>
1897# endif
1898# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1899# else
7014c407
JH		 1900# if defined(SIGFPE) && defined(SIG_IGN)
1901# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1902# else
1903# define PERL_FPU_INIT
1904# endif
c77b533b
JH		 1905# endif
1906#endif
1907
ed344e4f
IZ		 1908#ifndef PERL_SYS_INIT3
1909# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1910#endif
1911
be708cc0
JH		 1912#ifndef PERL_WRITE_MSG_TO_CONSOLE
1913# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1914#endif
1915
0f31cffe
GS		 1916#ifndef MAXPATHLEN
1917# ifdef PATH_MAX
b990c8b2
JH		 1918# ifdef _POSIX_PATH_MAX
1919# if PATH_MAX > _POSIX_PATH_MAX
1920/* MAXPATHLEN is supposed to include the final null character,
1921 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1922# define MAXPATHLEN (PATH_MAX+1)
1923# else
1924# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1925# endif
1926# else
1927# define MAXPATHLEN (PATH_MAX+1)
1928# endif
0f31cffe 1929# else
b990c8b2
JH		 1930# ifdef _POSIX_PATH_MAX
1931# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1932# else
1933# define MAXPATHLEN 1024 /* Err on the large side. */
1934# endif
0f31cffe
GS		 1935# endif
1936#endif
1937
d460ef45 1938/*
4d1ff10f 1939 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1940 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1941 * this results in many functions being undeclared which bothers C++
1942 * May make sense to have threads after "*ish.h" anyway
1943 */
1944
4d1ff10f
AB		 1945#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1946# if defined(USE_5005THREADS)
79d59c5f
GS		 1947 /* pending resolution of licensing issues, we avoid the erstwhile
1948 * atomic.h everywhere */
1949# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1950# endif
2986a63f
JH		 1951# ifdef NETWARE
1952# include <nw5thread.h>
1953# else
32f822de
GS		 1954# ifdef FAKE_THREADS
1955# include "fakethr.h"
1956# else
1957# ifdef WIN32
1958# include <win32thread.h>
1959# else
dd96f567
IZ		 1960# ifdef OS2
1961# include "os2thread.h"
1962# else
7f3d1cf1 1963# ifdef I_MACH_CTHREADS
bdd66968 1964# include <mach/cthreads.h>
8f1f23e8 1965# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1966# define MUTEX_INIT_CALLS_MALLOC
1967# endif
7f3d1cf1
BH		 1968typedef cthread_t perl_os_thread;
1969typedef mutex_t perl_mutex;
1970typedef condition_t perl_cond;
1971typedef void * perl_key;
1972# else /* Posix threads */
1f5ae88c
JH		 1973# ifdef I_PTHREAD
1974# include <pthread.h>
1975# endif
7f3d1cf1
BH		 1976typedef pthread_t perl_os_thread;
1977typedef pthread_mutex_t perl_mutex;
1978typedef pthread_cond_t perl_cond;
1979typedef pthread_key_t perl_key;
1980# endif /* I_MACH_CTHREADS */
dd96f567 1981# endif /* OS2 */
32f822de
GS		 1982# endif /* WIN32 */
1983# endif /* FAKE_THREADS */
2986a63f 1984#endif /* NETWARE */
4d1ff10f 1985#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1986
66a93824 1987#if defined(WIN32)
1feb2720 1988# include "win32.h"
c5be433b
GS		 1989#endif
1990
2986a63f
JH		 1991#ifdef NETWARE
1992# include "netware.h"
1993#endif
1994
68dc0745 1995#ifdef VMS
6b88bc9c 1996# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1997# define STATUS_NATIVE_EXPORT \
d98f61e7 1998 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1999# define STATUS_NATIVE_SET(n) \
2000 STMT_START { \
6b88bc9c
GS		 2001 PL_statusvalue_vms = (n); \
2002 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2003 PL_statusvalue = -1; \
6b88bc9c 2004 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2005 PL_statusvalue = 0; \
6b88bc9c
GS		 2006 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2007 PL_statusvalue = 1 << 8; \
68dc0745 2008 else \
6b88bc9c 2009 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2010 } STMT_END
3280af22 2011# define STATUS_POSIX PL_statusvalue
68dc0745 2012# ifdef VMSISH_STATUS
2013# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2014# else
2015# define STATUS_CURRENT STATUS_POSIX
2016# endif
2017# define STATUS_POSIX_SET(n) \
2018 STMT_START { \
3280af22
NIS		 2019 PL_statusvalue = (n); \
2020 if (PL_statusvalue != -1) { \
2021 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2022 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2023 } \
6b88bc9c 2024 else PL_statusvalue_vms = -1; \
68dc0745 2025 } STMT_END
6b88bc9c
GS		 2026# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2027# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2028#else
2029# define STATUS_NATIVE STATUS_POSIX
2030# define STATUS_NATIVE_EXPORT STATUS_POSIX
2031# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2032# define STATUS_POSIX PL_statusvalue
68dc0745 2033# define STATUS_POSIX_SET(n) \
2034 STMT_START { \
3280af22
NIS		 2035 PL_statusvalue = (n); \
2036 if (PL_statusvalue != -1) \
2037 PL_statusvalue &= 0xFFFF; \
68dc0745 2038 } STMT_END
2039# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2040# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2041# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2042#endif
2043
cc3604b1
GS		 2044/* flags in PL_exit_flags for nature of exit() */
2045#define PERL_EXIT_EXPECTED 0x01
31d77e54 2046#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2047
0b94c7bb 2048#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2049# define MEMBER_TO_FPTR(name) name
2050#endif
2051
2052/* format to use for version numbers in file/directory names */
273cf8d1 2053/* XXX move to Configure? */
a7cb1f99 2054#ifndef PERL_FS_VER_FMT
273cf8d1 2055# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2056#endif
2057
45bc9206 2058/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2059 * performance issue, so we allow people to disable it. Also, if
2060 * we are using stdio, there are broken implementations of fflush(NULL)
2061 * out there, Solaris being the most prominent.
45bc9206
GS		 2062 */
2063#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2064# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2065# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2066# else
2067# ifdef FFLUSH_ALL
2068# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2069# else
c5be433b 2070# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2071# endif
66fe083f 2072# endif
45bc9206
GS		 2073#endif
2074
7766f137
GS		 2075#ifndef PERL_WAIT_FOR_CHILDREN
2076# define PERL_WAIT_FOR_CHILDREN NOOP
2077#endif
2078
ba869deb 2079/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2080#ifndef PERL_SET_INTERP
2081# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2082#endif
2083
2084#ifndef PERL_GET_INTERP
2085# define PERL_GET_INTERP (PL_curinterp)
2086#endif
2087
54aff467 2088#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2089# ifdef USE_5005THREADS
ba869deb 2090# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2091# else
2092# ifdef MULTIPLICITY
ba869deb 2093# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2094# endif
2095# endif
ba869deb
GS		 2096# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2097#endif
2098
894356b3
GS		 2099#ifndef SVf
2100# ifdef CHECK_FORMAT
2101# define SVf "p"
2102# else
2103# define SVf "_"
d460ef45 2104# endif
894356b3
GS		 2105#endif
2106
d2560b70
RB		 2107#ifndef UVf
2108# ifdef CHECK_FORMAT
2109# define UVf UVuf
2110# else
2111# define UVf "Vu"
d460ef45 2112# endif
d2560b70
RB		 2113#endif
2114
2115#ifndef VDf
2116# ifdef CHECK_FORMAT
2117# define VDf "p"
2118# else
2119# define VDf "vd"
d460ef45 2120# endif
d2560b70
RB		 2121#endif
2122
b3fe4827
RB		 2123#ifndef Nullformat
2124# ifdef CHECK_FORMAT
2125# define Nullformat "%s",""
2126# else
2127# define Nullformat Nullch
2128# endif
2129#endif
2130
3fc1aec6 2131/* Some unistd.h's give a prototype for pause() even though
2132 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2133 below to be rejected by the compiler. Sigh.
3fc1aec6 2134*/
2135#ifdef HAS_PAUSE
2136#define Pause pause
2137#else
2138#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2139#endif
2140
2141#ifndef IOCPARM_LEN
2142# ifdef IOCPARM_MASK
2143 /* on BSDish systes we're safe */
2144# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2145# else
2146 /* otherwise guess at what's safe */
2147# define IOCPARM_LEN(x) 256
2148# endif
a0d0e21e
LW		 2149#endif
2150
1761cee5 2151#if defined(__CYGWIN__)
521e0776
GS		 2152/* USEMYBINMODE
2153 * This symbol, if defined, indicates that the program should
16fe6d59 2154 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2155 * that a file is in "binary" mode -- that is, that no translation
2156 * of bytes occurs on read or write operations.
2157 */
2158# define USEMYBINMODE / **/
16fe6d59
GS		 2159# define my_binmode(fp, iotype, mode) \
2160 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2161#endif
2162
cea2e8a9
GS		 2163#ifdef UNION_ANY_DEFINITION
2164UNION_ANY_DEFINITION;
2165#else
2166union any {
2167 void* any_ptr;
2168 I32 any_i32;
2169 IV any_iv;
2170 long any_long;
c76ac1ee 2171 void (*any_dptr) (void*);
acfe0abc 2172 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2173};
2174#endif
2175
4d1ff10f 2176#ifdef USE_5005THREADS
cea2e8a9
GS		 2177#define ARGSproto struct perl_thread *thr
2178#else
2179#define ARGSproto
4d1ff10f 2180#endif /* USE_5005THREADS */
cea2e8a9 2181
acfe0abc 2182typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2183
2184#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2185#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2186#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2187
c5078cac
JH		 2188#if defined(_AIX) && !defined(_AIX43)
2189#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2190/* We cannot include <crypt.h> to get the struct crypt_data
2191 * because of setkey prototype problems when threading */
2192typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2193 /* From OSF, Not needed in AIX
2194 char C[28], D[28];
2195 */
2196 char E[48];
2197 char KS[16][48];
2198 char block[66];
2199 char iobuf[16];
2200} CRYPTD;
2201#endif /* threading */
2202#endif /* AIX */
2203
af8b425d 2204#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2205# include "iperlsys.h"
2206#endif
378cc40b 2207#include "regexp.h"
79072805 2208#include "sv.h"
378cc40b 2209#include "util.h"
8d063cd8 2210#include "form.h"
79072805
LW		 2211#include "gv.h"
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 */
2424#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2425#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2426#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2427#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2428#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2429#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2430#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2431#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2432#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb
NC		 2433#define DEBUG_C_FLAG 0x00200000 /*2097152 */
2434#define DEBUG_MASK 0x003FFFFF /* mask of all the standard flags */
aea4f609
DM		 2435
2436#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2437#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2438 that something was done? */
aea4f609 2439
bd16a5f0
IZ		 2440# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2441# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2442# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2443# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2444# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2445# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2446# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2447# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2448# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2449# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2450# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2451# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2452# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2453# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2454# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2455# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2456# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2457# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2458# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2459# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2460# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2461# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
bd16a5f0 2462
3967c732 2463#ifdef DEBUGGING
aea4f609
DM		 2464
2465# undef YYDEBUG
2466# define YYDEBUG 1
2467
bd16a5f0
IZ		 2468# define DEBUG_p_TEST DEBUG_p_TEST_
2469# define DEBUG_s_TEST DEBUG_s_TEST_
2470# define DEBUG_l_TEST DEBUG_l_TEST_
2471# define DEBUG_t_TEST DEBUG_t_TEST_
2472# define DEBUG_o_TEST DEBUG_o_TEST_
2473# define DEBUG_c_TEST DEBUG_c_TEST_
2474# define DEBUG_P_TEST DEBUG_P_TEST_
2475# define DEBUG_m_TEST DEBUG_m_TEST_
2476# define DEBUG_f_TEST DEBUG_f_TEST_
2477# define DEBUG_r_TEST DEBUG_r_TEST_
2478# define DEBUG_x_TEST DEBUG_x_TEST_
2479# define DEBUG_u_TEST DEBUG_u_TEST_
2480# define DEBUG_L_TEST DEBUG_L_TEST_
2481# define DEBUG_H_TEST DEBUG_H_TEST_
2482# define DEBUG_X_TEST DEBUG_X_TEST_
2483# define DEBUG_D_TEST DEBUG_D_TEST_
2484# define DEBUG_S_TEST DEBUG_S_TEST_
2485# define DEBUG_T_TEST DEBUG_T_TEST_
2486# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2487# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2488# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2489# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM		 2490
2491# define DEB(a) a
2492# define DEBUG(a) if (PL_debug) a
2493# define DEBUG_p(a) if (DEBUG_p_TEST) a
2494# define DEBUG_s(a) if (DEBUG_s_TEST) a
2495# define DEBUG_l(a) if (DEBUG_l_TEST) a
2496# define DEBUG_t(a) if (DEBUG_t_TEST) a
2497# define DEBUG_o(a) if (DEBUG_o_TEST) a
2498# define DEBUG_c(a) if (DEBUG_c_TEST) a
2499# define DEBUG_P(a) if (DEBUG_P_TEST) a
2500
969058bb
VK		 2501 /* Temporarily turn off memory debugging in case the a
2502 * does memory allocation, either directly or indirectly. */
acfe0abc 2503# define DEBUG_m(a) \
0b250b9e 2504 STMT_START { \
aea4f609 2505 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2506 } STMT_END
aea4f609 2507
5f80b19c
AMS		 2508# define DEBUG__(t, a) \
2509 STMT_START { \
2510 if (t) STMT_START {a;} STMT_END; \
2511 } STMT_END
2512
2513# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2514# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2515# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2516# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2517# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2518# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2519# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2520# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2521
4d1ff10f 2522# ifdef USE_5005THREADS
5f80b19c 2523# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2524# else
2525# define DEBUG_S(a)
2526# endif
aea4f609 2527
5f80b19c
AMS		 2528# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2529# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2530# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2531# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2532
2533#else /* DEBUGGING */
2534
2535# define DEBUG_p_TEST (0)
2536# define DEBUG_s_TEST (0)
2537# define DEBUG_l_TEST (0)
2538# define DEBUG_t_TEST (0)
2539# define DEBUG_o_TEST (0)
2540# define DEBUG_c_TEST (0)
2541# define DEBUG_P_TEST (0)
2542# define DEBUG_m_TEST (0)
2543# define DEBUG_f_TEST (0)
2544# define DEBUG_r_TEST (0)
2545# define DEBUG_x_TEST (0)
2546# define DEBUG_u_TEST (0)
2547# define DEBUG_L_TEST (0)
2548# define DEBUG_H_TEST (0)
2549# define DEBUG_X_TEST (0)
2550# define DEBUG_D_TEST (0)
2551# define DEBUG_S_TEST (0)
2552# define DEBUG_T_TEST (0)
04932ac8 2553# define DEBUG_R_TEST (0)
1045810a 2554# define DEBUG_J_TEST (0)
d6721266 2555# define DEBUG_v_TEST (0)
46187eeb 2556# define DEBUG_C_TEST (0)
aea4f609
DM		 2557
2558# define DEB(a)
2559# define DEBUG(a)
2560# define DEBUG_p(a)
2561# define DEBUG_s(a)
2562# define DEBUG_l(a)
2563# define DEBUG_t(a)
2564# define DEBUG_o(a)
2565# define DEBUG_c(a)
2566# define DEBUG_P(a)
2567# define DEBUG_m(a)
2568# define DEBUG_f(a)
2569# define DEBUG_r(a)
2570# define DEBUG_x(a)
2571# define DEBUG_u(a)
2572# define DEBUG_L(a)
2573# define DEBUG_H(a)
2574# define DEBUG_X(a)
2575# define DEBUG_D(a)
2576# define DEBUG_S(a)
2577# define DEBUG_T(a)
04932ac8 2578# define DEBUG_R(a)
d6721266 2579# define DEBUG_v(a)
46187eeb 2580# define DEBUG_C(a)
aea4f609
DM		 2581#endif /* DEBUGGING */
2582
2583
d1be9408 2584/* These constants should be used in preference to raw characters
14befaf4
DM		 2585 * when using magic. Note that some perl guts still assume
2586 * certain character properties of these constants, namely that
2587 * isUPPER() and toLOWER() may do useful mappings.
2588 *
2589 * Update the magic_names table in dump.c when adding/amending these
2590 */
2591
2592#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2593#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2594#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2595#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2596#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2597#define PERL_MAGIC_regdata 'D' /* Regex match position data
2598 (@+ and @- vars) */
2599#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2600#define PERL_MAGIC_env 'E' /* %ENV hash */
2601#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2602#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2603#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2604#define PERL_MAGIC_isa 'I' /* @ISA array */
2605#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2606#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2607#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2608#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2609#define PERL_MAGIC_mutex 'm' /* for lock op */
2610#define PERL_MAGIC_shared 'N' /* Shared between threads */
2611#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2612#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2613#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2614#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2615#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2616#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2617#define PERL_MAGIC_sig 'S' /* %SIG hash */
2618#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2619#define PERL_MAGIC_taint 't' /* Taintedness */
2620#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2621#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2622#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2623#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
14befaf4
DM		 2624#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2625#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2626 smart parameter vivification */
2627#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2628#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2629#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2630#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2631#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2632
2633
fe14fcc3 2634#define YYMAXDEPTH 300
8d063cd8 2635
a6e633de 2636#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2637#ifdef DEBUGGING
2638#define assert(what) DEB( { \
2639 if (!(what)) { \
2640 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2641 __FILE__, __LINE__); \
2642 PerlProc_exit(1); \
2643 }})
2644#else
79072805
LW		 2645#define assert(what) DEB( { \
2646 if (!(what)) { \
cea2e8a9 2647 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2648 __FILE__, __LINE__); \
cea2e8a9 2649 PerlProc_exit(1); \
79072805 2650 }})
a6e633de 2651#endif
a446a88f 2652#endif
8d063cd8 2653
450a55e4 2654struct ufuncs {
24f81a43
DM		 2655 I32 (*uf_val)(pTHX_ IV, SV*);
2656 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2657 IV uf_index;
450a55e4
LW		 2658};
2659
14befaf4 2660/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2661 * XS code wanting to be backward compatible can do something
2662 * like the following:
c745e42c 2663
24f81a43 2664#ifndef PERL_MG_UFUNC
24f81a43
DM		 2665#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2666#endif
2667
2668static PERL_MG_UFUNC(foo_get, index, val)
2669{
2670 sv_setsv(val, ...);
2671 return TRUE;
2672}
2673
2674-- Doug MacEachern
2675
2676*/
2677
fc9c74e6 2678#ifndef PERL_MG_UFUNC
24f81a43 2679#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2680#endif
24f81a43 2681
fe14fcc3 2682/* Fix these up for __STDC__ */
68dc0745 2683#ifndef DONT_DECLARE_STD
20ce7b12 2684char *mktemp (char*);
37bd1396 2685#ifndef atof
20ce7b12 2686double atof (const char*);
a0d0e21e 2687#endif
37bd1396 2688#endif
79072805 2689
352d5a3a 2690#ifndef STANDARD_C
fe14fcc3 2691/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2692Time_t time();
8d063cd8 2693struct tm *gmtime(), *localtime();
092bebab 2694#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2695char *(strchr)(), *(strrchr)();
2696char *(strcpy)(), *(strcat)();
2697#else
93a17b20 2698char *strchr(), *strrchr();
378cc40b 2699char *strcpy(), *strcat();
9d116dd7 2700#endif
352d5a3a 2701#endif /* ! STANDARD_C */
8d063cd8 2702
79072805
LW		 2703
2704#ifdef I_MATH
2705# include <math.h>
2706#else
32f822de 2707START_EXTERN_C
20ce7b12
GS		 2708 double exp (double);
2709 double log (double);
2710 double log10 (double);
2711 double sqrt (double);
2712 double frexp (double,int*);
2713 double ldexp (double,int);
2714 double modf (double,double*);
2715 double sin (double);
2716 double cos (double);
2717 double atan2 (double,double);
2718 double pow (double,double);
32f822de 2719END_EXTERN_C
79072805
LW		 2720#endif
2721
aa8b85de
JH		 2722#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2723# define NV_INF LDBL_INFINITY
2724#endif
2725#if !defined(NV_INF) && defined(DBL_INFINITY)
2726# define NV_INF (NV)DBL_INFINITY
2727#endif
2728#if !defined(NV_INF) && defined(INFINITY)
2729# define NV_INF (NV)INFINITY
2730#endif
2731#if !defined(NV_INF) && defined(INF)
2732# define NV_INF (NV)INF
2733#endif
2734#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2735# define NV_INF (NV)HUGE_VALL
2736#endif
2737#if !defined(NV_INF) && defined(HUGE_VAL)
2738# define NV_INF (NV)HUGE_VAL
2739#endif
2740
2741#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2742# if !defined(NV_NAN) && defined(LDBL_NAN)
2743# define NV_NAN LDBL_NAN
2744# endif
2745# if !defined(NV_NAN) && defined(LDBL_QNAN)
2746# define NV_NAN LDBL_QNAN
2747# endif
2748# if !defined(NV_NAN) && defined(LDBL_SNAN)
2749# define NV_NAN LDBL_SNAN
2750# endif
2751#endif
2752#if !defined(NV_NAN) && defined(DBL_NAN)
2753# define NV_NAN (NV)DBL_NAN
2754#endif
2755#if !defined(NV_NAN) && defined(DBL_QNAN)
2756# define NV_NAN (NV)DBL_QNAN
2757#endif
2758#if !defined(NV_NAN) && defined(DBL_SNAN)
2759# define NV_NAN (NV)DBL_SNAN
2760#endif
2761#if !defined(NV_NAN) && defined(QNAN)
2762# define NV_NAN (NV)QNAN
2763#endif
2764#if !defined(NV_NAN) && defined(SNAN)
2765# define NV_NAN (NV)SNAN
2766#endif
2767#if !defined(NV_NAN) && defined(NAN)
2768# define NV_NAN (NV)NAN
2769#endif
2770
a0d0e21e 2771#ifndef __cplusplus
8f1f23e8 2772# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2773char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2774# else
fd8cd3a3 2775# if !defined(WIN32) && !defined(VMS)
10bc17b6 2776#ifndef crypt
20ce7b12 2777char *crypt (const char*, const char*);
10bc17b6 2778#endif
5014db98 2779# endif /* !WIN32 */
8f1f23e8 2780# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2781# ifndef DONT_DECLARE_STD
2782# ifndef getenv
20ce7b12 2783char *getenv (const char*);
26618a56 2784# endif /* !getenv */
28ca6303 2785# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2786# ifdef _FILE_OFFSET_BITS
28ca6303 2787# if _FILE_OFFSET_BITS == 64
20ce7b12 2788Off_t lseek (int,Off_t,int);
0fc67700
JH		 2789# endif
2790# endif
bf0c440f 2791# endif
26618a56 2792# endif /* !DONT_DECLARE_STD */
10bc17b6 2793#ifndef getlogin
20ce7b12 2794char *getlogin (void);
10bc17b6 2795#endif
26618a56 2796#endif /* !__cplusplus */
79072805 2797
16d20bd9 2798#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2799#define UNLINK unlnk
20ce7b12 2800I32 unlnk (char*);
8d063cd8 2801#else
80252599 2802#define UNLINK PerlLIO_unlink
8d063cd8 2803#endif
a687059c 2804
fa0a29af
JH		 2805/* some versions of glibc are missing the setresuid() proto */
2806#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2807int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2808#endif
fa0a29af
JH		 2809/* some versions of glibc are missing the setresgid() proto */
2810#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2811int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2812#endif
2813
fe14fcc3 2814#ifndef HAS_SETREUID
85e6fe83
LW		 2815# ifdef HAS_SETRESUID
2816# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2817# define HAS_SETREUID
2818# endif
a687059c 2819#endif
fe14fcc3 2820#ifndef HAS_SETREGID
85e6fe83
LW		 2821# ifdef HAS_SETRESGID
2822# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2823# define HAS_SETREGID
2824# endif
a687059c 2825#endif
ee0007ab 2826
d543acb6 2827/* Sighandler_t defined in iperlsys.h */
ff68c719 2828
2829#ifdef HAS_SIGACTION
2830typedef struct sigaction Sigsave_t;
2831#else
2832typedef Sighandler_t Sigsave_t;
2833#endif
2834
ee0007ab
LW		 2835#define SCAN_DEF 0
2836#define SCAN_TR 1
2837#define SCAN_REPL 2
79072805
LW		 2838
2839#ifdef DEBUGGING
4633a7c4 2840# ifndef register
a0d0e21e
LW		 2841# define register
2842# endif
2843# define PAD_SV(po) pad_sv(po)
cea2e8a9 2844# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2845#else
6b88bc9c 2846# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2847# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2848#endif
2849
18f739ee 2850#ifdef MYMALLOC
772fe5b3 2851# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2852# define MALLOC_INIT \
2853 STMT_START { \
2854 PL_malloc_mutex = NULL; \
2855 MUTEX_INIT(&PL_malloc_mutex); \
2856 } STMT_END
2857# define MALLOC_TERM \
2858 STMT_START { \
2859 perl_mutex tmp = PL_malloc_mutex; \
2860 PL_malloc_mutex = NULL; \
2861 MUTEX_DESTROY(&tmp); \
2862 } STMT_END
2863# else
2864# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2865# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2866# endif
18f739ee
IZ		 2867#else
2868# define MALLOC_INIT
2869# define MALLOC_TERM
2870#endif
2871
b6d9d515 2872
0cb96387 2873typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2874typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2875typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2876typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2877
940cb80d 2878/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2879#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2880
8f1f23e8
W		 2881/* NeXT has problems with crt0.o globals */
2882#if defined(__DYNAMIC__) && \
2883 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2884# if defined(NeXT) || defined(__NeXT)
2885# include <mach-o/dyld.h>
2886# define environ (*environ_pointer)
0c30d9ec 2887EXT char *** environ_pointer;
8f1f23e8 2888# else
82cabb9e 2889# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2890# include <crt_externs.h> /* for the env array */
2891# define environ (*_NSGetEnviron())
2892# endif
0c30d9ec 2893# endif
8f1f23e8
W		 2894#else
2895 /* VMS and some other platforms don't use the environ array */
13b6e58c 2896# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2897# if !defined(DONT_DECLARE_STD) || \
2898 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2899 defined(__sgi) || \
d460ef45 2900 defined(__DGUX)
8f1f23e8 2901extern char ** environ; /* environment variables supplied via exec */
a6c40364 2902# endif
8f1f23e8
W		 2903# endif
2904#endif
79072805 2905
73c4f7a1
GS		 2906START_EXTERN_C
2907
79072805 2908/* handy constants */
22c35a8c 2909EXTCONST char PL_warn_uninit[]
b89fed5f 2910 INIT("Use of uninitialized value%s%s");
22c35a8c 2911EXTCONST char PL_warn_nosemi[]
463ee0b2 2912 INIT("Semicolon seems to be missing");
22c35a8c 2913EXTCONST char PL_warn_reserved[]
463ee0b2 2914 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2915EXTCONST char PL_warn_nl[]
93a17b20 2916 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2917EXTCONST char PL_no_wrongref[]
a0d0e21e 2918 INIT("Can't use %s ref as %s ref");
22c35a8c 2919EXTCONST char PL_no_symref[]
748a9306 2920 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2921EXTCONST char PL_no_usym[]
8990e307 2922 INIT("Can't use an undefined value as %s reference");
22c35a8c 2923EXTCONST char PL_no_aelem[]
93a17b20 2924 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2925EXTCONST char PL_no_helem[]
93a17b20 2926 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2927EXTCONST char PL_no_modify[]
93a17b20 2928 INIT("Modification of a read-only value attempted");
22c35a8c 2929EXTCONST char PL_no_mem[]
93a17b20 2930 INIT("Out of memory!\n");
22c35a8c 2931EXTCONST char PL_no_security[]
463ee0b2 2932 INIT("Insecure dependency in %s%s");
22c35a8c 2933EXTCONST char PL_no_sock_func[]
93a17b20 2934 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2935EXTCONST char PL_no_dir_func[]
93a17b20 2936 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2937EXTCONST char PL_no_func[]
93a17b20 2938 INIT("The %s function is unimplemented");
22c35a8c 2939EXTCONST char PL_no_myglob[]
748a9306 2940 INIT("\"my\" variable %s can't be in a package");
93a17b20 2941
7575fa06 2942EXTCONST char PL_uuemap[65]
80252599
GS		 2943 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2944
2945
79072805 2946#ifdef DOINIT
22c35a8c
GS		 2947EXT char *PL_sig_name[] = { SIG_NAME };
2948EXT int PL_sig_num[] = { SIG_NUM };
79072805 2949#else
22c35a8c
GS		 2950EXT char *PL_sig_name[];
2951EXT int PL_sig_num[];
79072805
LW		 2952#endif
2953
3bd709b1 2954/* fast conversion and case folding tables */
bbce6d69 2955
79072805 2956#ifdef DOINIT
9d116dd7 2957#ifdef EBCDIC
22c35a8c 2958EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2959 0, 1, 2, 3, 4, 5, 6, 7,
2960 8, 9, 10, 11, 12, 13, 14, 15,
2961 16, 17, 18, 19, 20, 21, 22, 23,
2962 24, 25, 26, 27, 28, 29, 30, 31,
2963 32, 33, 34, 35, 36, 37, 38, 39,
2964 40, 41, 42, 43, 44, 45, 46, 47,
2965 48, 49, 50, 51, 52, 53, 54, 55,
2966 56, 57, 58, 59, 60, 61, 62, 63,
2967 64, 65, 66, 67, 68, 69, 70, 71,
2968 72, 73, 74, 75, 76, 77, 78, 79,
2969 80, 81, 82, 83, 84, 85, 86, 87,
2970 88, 89, 90, 91, 92, 93, 94, 95,
2971 96, 97, 98, 99, 100, 101, 102, 103,
2972 104, 105, 106, 107, 108, 109, 110, 111,
2973 112, 113, 114, 115, 116, 117, 118, 119,
2974 120, 121, 122, 123, 124, 125, 126, 127,
2975 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2976 'H', 'I', 138, 139, 140, 141, 142, 143,
2977 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2978 'Q', 'R', 154, 155, 156, 157, 158, 159,
2979 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2980 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2981 176, 177, 178, 179, 180, 181, 182, 183,
2982 184, 185, 186, 187, 188, 189, 190, 191,
2983 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2984 'h', 'i', 202, 203, 204, 205, 206, 207,
2985 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2986 'q', 'r', 218, 219, 220, 221, 222, 223,
2987 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2988 'y', 'z', 234, 235, 236, 237, 238, 239,
2989 240, 241, 242, 243, 244, 245, 246, 247,
2990 248, 249, 250, 251, 252, 253, 254, 255
2991};
2992#else /* ascii rather than ebcdic */
22c35a8c 2993EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2994 0, 1, 2, 3, 4, 5, 6, 7,
2995 8, 9, 10, 11, 12, 13, 14, 15,
2996 16, 17, 18, 19, 20, 21, 22, 23,
2997 24, 25, 26, 27, 28, 29, 30, 31,
2998 32, 33, 34, 35, 36, 37, 38, 39,
2999 40, 41, 42, 43, 44, 45, 46, 47,
3000 48, 49, 50, 51, 52, 53, 54, 55,
3001 56, 57, 58, 59, 60, 61, 62, 63,
3002 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3003 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3004 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3005 'x', 'y', 'z', 91, 92, 93, 94, 95,
3006 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3007 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3008 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3009 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3010 128, 129, 130, 131, 132, 133, 134, 135,
3011 136, 137, 138, 139, 140, 141, 142, 143,
3012 144, 145, 146, 147, 148, 149, 150, 151,
3013 152, 153, 154, 155, 156, 157, 158, 159,
3014 160, 161, 162, 163, 164, 165, 166, 167,
3015 168, 169, 170, 171, 172, 173, 174, 175,
3016 176, 177, 178, 179, 180, 181, 182, 183,
3017 184, 185, 186, 187, 188, 189, 190, 191,
3018 192, 193, 194, 195, 196, 197, 198, 199,
3019 200, 201, 202, 203, 204, 205, 206, 207,
3020 208, 209, 210, 211, 212, 213, 214, 215,
3021 216, 217, 218, 219, 220, 221, 222, 223,
3022 224, 225, 226, 227, 228, 229, 230, 231,
3023 232, 233, 234, 235, 236, 237, 238, 239,
3024 240, 241, 242, 243, 244, 245, 246, 247,
3025 248, 249, 250, 251, 252, 253, 254, 255
3026};
9d116dd7 3027#endif /* !EBCDIC */
79072805 3028#else
22c35a8c 3029EXTCONST unsigned char PL_fold[];
79072805
LW		 3030#endif
3031
3032#ifdef DOINIT
22c35a8c 3033EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3034 0, 1, 2, 3, 4, 5, 6, 7,
3035 8, 9, 10, 11, 12, 13, 14, 15,
3036 16, 17, 18, 19, 20, 21, 22, 23,
3037 24, 25, 26, 27, 28, 29, 30, 31,
3038 32, 33, 34, 35, 36, 37, 38, 39,
3039 40, 41, 42, 43, 44, 45, 46, 47,
3040 48, 49, 50, 51, 52, 53, 54, 55,
3041 56, 57, 58, 59, 60, 61, 62, 63,
3042 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3043 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3044 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3045 'x', 'y', 'z', 91, 92, 93, 94, 95,
3046 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3047 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3048 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3049 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3050 128, 129, 130, 131, 132, 133, 134, 135,
3051 136, 137, 138, 139, 140, 141, 142, 143,
3052 144, 145, 146, 147, 148, 149, 150, 151,
3053 152, 153, 154, 155, 156, 157, 158, 159,
3054 160, 161, 162, 163, 164, 165, 166, 167,
3055 168, 169, 170, 171, 172, 173, 174, 175,
3056 176, 177, 178, 179, 180, 181, 182, 183,
3057 184, 185, 186, 187, 188, 189, 190, 191,
3058 192, 193, 194, 195, 196, 197, 198, 199,
3059 200, 201, 202, 203, 204, 205, 206, 207,
3060 208, 209, 210, 211, 212, 213, 214, 215,
3061 216, 217, 218, 219, 220, 221, 222, 223,
3062 224, 225, 226, 227, 228, 229, 230, 231,
3063 232, 233, 234, 235, 236, 237, 238, 239,
3064 240, 241, 242, 243, 244, 245, 246, 247,
3065 248, 249, 250, 251, 252, 253, 254, 255
3066};
3067#else
22c35a8c 3068EXT unsigned char PL_fold_locale[];
79072805
LW		 3069#endif
3070
3071#ifdef DOINIT
9d116dd7 3072#ifdef EBCDIC
22c35a8c 3073EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3074 1, 2, 84, 151, 154, 155, 156, 157,
3075 165, 246, 250, 3, 158, 7, 18, 29,
3076 40, 51, 62, 73, 85, 96, 107, 118,
3077 129, 140, 147, 148, 149, 150, 152, 153,
3078 255, 6, 8, 9, 10, 11, 12, 13,
3079 14, 15, 24, 25, 26, 27, 28, 226,
3080 29, 30, 31, 32, 33, 43, 44, 45,
3081 46, 47, 48, 49, 50, 76, 77, 78,
3082 79, 80, 81, 82, 83, 84, 85, 86,
3083 87, 94, 95, 234, 181, 233, 187, 190,
3084 180, 96, 97, 98, 99, 100, 101, 102,
3085 104, 112, 182, 174, 236, 232, 229, 103,
3086 228, 226, 114, 115, 116, 117, 118, 119,
3087 120, 121, 122, 235, 176, 230, 194, 162,
3088 130, 131, 132, 133, 134, 135, 136, 137,
3089 138, 139, 201, 205, 163, 217, 220, 224,
3090 5, 248, 227, 244, 242, 255, 241, 231,
3091 240, 253, 16, 197, 19, 20, 21, 187,
3092 23, 169, 210, 245, 237, 249, 247, 239,
3093 168, 252, 34, 196, 36, 37, 38, 39,
3094 41, 42, 251, 254, 238, 223, 221, 213,
3095 225, 177, 52, 53, 54, 55, 56, 57,
3096 58, 59, 60, 61, 63, 64, 65, 66,
3097 67, 68, 69, 70, 71, 72, 74, 75,
3098 205, 208, 186, 202, 200, 218, 198, 179,
3099 178, 214, 88, 89, 90, 91, 92, 93,
3100 217, 166, 170, 207, 199, 209, 206, 204,
3101 160, 212, 105, 106, 108, 109, 110, 111,
3102 203, 113, 216, 215, 192, 175, 193, 243,
3103 172, 161, 123, 124, 125, 126, 127, 128,
3104 222, 219, 211, 195, 188, 193, 185, 184,
3105 191, 183, 141, 142, 143, 144, 145, 146
3106};
3107#else /* ascii rather than ebcdic */
22c35a8c 3108EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3109 1, 2, 84, 151, 154, 155, 156, 157,
3110 165, 246, 250, 3, 158, 7, 18, 29,
3111 40, 51, 62, 73, 85, 96, 107, 118,
3112 129, 140, 147, 148, 149, 150, 152, 153,
3113 255, 182, 224, 205, 174, 176, 180, 217,
3114 233, 232, 236, 187, 235, 228, 234, 226,
3115 222, 219, 211, 195, 188, 193, 185, 184,
3116 191, 183, 201, 229, 181, 220, 194, 162,
3117 163, 208, 186, 202, 200, 218, 198, 179,
3118 178, 214, 166, 170, 207, 199, 209, 206,
3119 204, 160, 212, 216, 215, 192, 175, 173,
3120 243, 172, 161, 190, 203, 189, 164, 230,
3121 167, 248, 227, 244, 242, 255, 241, 231,
3122 240, 253, 169, 210, 245, 237, 249, 247,
3123 239, 168, 252, 251, 254, 238, 223, 221,
3124 213, 225, 177, 197, 171, 196, 159, 4,
3125 5, 6, 8, 9, 10, 11, 12, 13,
3126 14, 15, 16, 17, 19, 20, 21, 22,
3127 23, 24, 25, 26, 27, 28, 30, 31,
3128 32, 33, 34, 35, 36, 37, 38, 39,
3129 41, 42, 43, 44, 45, 46, 47, 48,
3130 49, 50, 52, 53, 54, 55, 56, 57,
3131 58, 59, 60, 61, 63, 64, 65, 66,
3132 67, 68, 69, 70, 71, 72, 74, 75,
3133 76, 77, 78, 79, 80, 81, 82, 83,
3134 86, 87, 88, 89, 90, 91, 92, 93,
3135 94, 95, 97, 98, 99, 100, 101, 102,
3136 103, 104, 105, 106, 108, 109, 110, 111,
3137 112, 113, 114, 115, 116, 117, 119, 120,
3138 121, 122, 123, 124, 125, 126, 127, 128,
3139 130, 131, 132, 133, 134, 135, 136, 137,
3140 138, 139, 141, 142, 143, 144, 145, 146
3141};
9d116dd7 3142#endif
79072805 3143#else
22c35a8c 3144EXTCONST unsigned char PL_freq[];
79072805
LW		 3145#endif
3146
8990e307
LW		 3147#ifdef DEBUGGING
3148#ifdef DOINIT
22c35a8c 3149EXTCONST char* PL_block_type[] = {
8990e307
LW		 3150 "NULL",
3151 "SUB",
3152 "EVAL",
3153 "LOOP",
3154 "SUBST",
3155 "BLOCK",
3156};
3157#else
22c35a8c 3158EXTCONST char* PL_block_type[];
8990e307
LW		 3159#endif
3160#endif
3161
73c4f7a1
GS		 3162END_EXTERN_C
3163
79072805
LW		 3164/*****************************************************************************/
3165/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3166/*****************************************************************************/
8990e307 3167/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3168
a0d0e21e
LW		 3169#include "perly.h"
3170
fb73857a 3171#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3172
79072805
LW		 3173typedef enum {
3174 XOPERATOR,
3175 XTERM,
79072805 3176 XREF,
8990e307 3177 XSTATE,
a0d0e21e 3178 XBLOCK,
09bef843
SB		 3179 XATTRBLOCK,
3180 XATTRTERM,
a0d0e21e 3181 XTERMBLOCK
79072805
LW		 3182} expectation;
3183
dc9e4912
GS		 3184enum { /* pass one of these to get_vtbl */
3185 want_vtbl_sv,
3186 want_vtbl_env,
3187 want_vtbl_envelem,
3188 want_vtbl_sig,
3189 want_vtbl_sigelem,
3190 want_vtbl_pack,
3191 want_vtbl_packelem,
3192 want_vtbl_dbline,
3193 want_vtbl_isa,
3194 want_vtbl_isaelem,
3195 want_vtbl_arylen,
3196 want_vtbl_glob,
3197 want_vtbl_mglob,
3198 want_vtbl_nkeys,
3199 want_vtbl_taint,
3200 want_vtbl_substr,
3201 want_vtbl_vec,
3202 want_vtbl_pos,
3203 want_vtbl_bm,
3204 want_vtbl_fm,
3205 want_vtbl_uvar,
3206 want_vtbl_defelem,
3207 want_vtbl_regexp,
3208 want_vtbl_collxfrm,
3209 want_vtbl_amagic,
3210 want_vtbl_amagicelem,
4d1ff10f 3211#ifdef USE_5005THREADS
dc9e4912
GS		 3212 want_vtbl_mutex,
3213#endif
3214 want_vtbl_regdata,
810b8aa5
GS		 3215 want_vtbl_regdatum,
3216 want_vtbl_backref
dc9e4912
GS		 3217};
3218
85e6fe83
LW		 3219 /* Note: the lowest 8 bits are reserved for
3220 stuffing into op->op_private */
f3aa04c2 3221#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3222#define HINT_INTEGER 0x00000001
3223#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3224#define HINT_LOCALE 0x00000004
3225#define HINT_BYTES 0x00000008
393fec97 3226/* #define HINT_notused10 0x00000010 */
a0ed51b3 3227 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3228
3229#define HINT_BLOCK_SCOPE 0x00000100
3230#define HINT_STRICT_SUBS 0x00000200
3231#define HINT_STRICT_VARS 0x00000400
3232
b3ac6de7
IZ		 3233#define HINT_NEW_INTEGER 0x00001000
3234#define HINT_NEW_FLOAT 0x00002000
3235#define HINT_NEW_BINARY 0x00004000
3236#define HINT_NEW_STRING 0x00008000
3237#define HINT_NEW_RE 0x00010000
3238#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3239
b3eb6a9b 3240#define HINT_RE_TAINT 0x00100000
e4d48cc9 3241#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3242
5ff3f7a4 3243#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3244#define HINT_UTF8 0x00800000
5ff3f7a4 3245
84d4ea48
JH		 3246#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3247#define HINT_SORT_QUICKSORT 0x00000001
3248#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3249#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3250
8bfdd7d9 3251/* Various states of the input record separator SV (rs) */
d4cce5f1 3252#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3253#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3254#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3255#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3256
128e8167 3257/* A struct for keeping various DEBUGGING related stuff,
ce333219 3258 * neatly packed. Currently only scratch variables for
128e8167
JH		 3259 * constructing debug output are included. Needed always,
3260 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3261struct perl_debug_pad {
3262 SV pad[3];
3263};
3264
3265#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3266#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3267
56953603 3268/* Enable variables which are pointers to functions */
a2efc822 3269typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3270typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3271typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3272 char* strend, char* strbeg, I32 minend,
3273 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3274typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3275 char *strpos, char *strend,
3276 U32 flags,
3277 struct re_scream_pos_data_s *d);
3278typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3279typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3280
c76ac1ee 3281typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3282typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3283typedef void (*SVFUNC_t) (pTHX_ SV*);
3284typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3285typedef void (*XSINIT_t) (pTHX);
3286typedef void (*ATEXIT_t) (pTHX_ void*);
3287typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3288
22239a37
NIS		 3289/* Set up PERLVAR macros for populating structs */
3290#define PERLVAR(var,type) type var;
51371543 3291#define PERLVARA(var,n,type) type var[n];
22239a37 3292#define PERLVARI(var,type,init) type var;
3fe35a81 3293#define PERLVARIC(var,type,init) type var;
22239a37 3294
58a50f62
GS		 3295/* Interpreter exitlist entry */
3296typedef struct exitlistentry {
acfe0abc 3297 void (*fn) (pTHX_ void*);
58a50f62
GS		 3298 void *ptr;
3299} PerlExitListEntry;
3300
22239a37
NIS		 3301#ifdef PERL_GLOBAL_STRUCT
3302struct perl_vars {
7766f137 3303# include "perlvars.h"
22239a37
NIS		 3304};
3305
7766f137 3306# ifdef PERL_CORE
533c011a
NIS		 3307EXT struct perl_vars PL_Vars;
3308EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3309# else /* PERL_CORE */
3310# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3311EXT
7766f137 3312# endif /* WIN32 */
533c011a 3313struct perl_vars *PL_VarsPtr;
7766f137
GS		 3314# define PL_Vars (*((PL_VarsPtr) \
3315 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3316# endif /* PERL_CORE */
22239a37
NIS		 3317#endif /* PERL_GLOBAL_STRUCT */
3318
acfe0abc 3319#if defined(MULTIPLICITY)
d460ef45 3320/* If we have multiple interpreters define a struct
d4cce5f1 3321 holding variables which must be per-interpreter
d460ef45 3322 If we don't have threads anything that would have
d4cce5f1
NIS		 3323 be per-thread is per-interpreter.
3324*/
3325
79072805 3326struct interpreter {
4d1ff10f 3327# ifndef USE_5005THREADS
7766f137
GS		 3328# include "thrdvar.h"
3329# endif
3330# include "intrpvar.h"
3331/*
3332 * The following is a buffer where new variables must
acfe0abc 3333 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3334 */
3335PERLVARA(object_compatibility,30, char)
49f531da 3336};
d4cce5f1 3337
79072805 3338#else
49f531da
NIS		 3339struct interpreter {
3340 char broiled;
3341};
acfe0abc 3342#endif /* MULTIPLICITY */
79072805 3343
4d1ff10f 3344#ifdef USE_5005THREADS
d4cce5f1
NIS		 3345/* If we have threads define a struct with all the variables
3346 * that have to be per-thread
49f531da 3347 */
8023c3ce 3348
79072805 3349
49f531da 3350struct perl_thread {
49f531da 3351#include "thrdvar.h"
79072805 3352};
d4cce5f1 3353
22fae026
TM		 3354typedef struct perl_thread *Thread;
3355
3356#else
3357typedef void *Thread;
22239a37
NIS		 3358#endif
3359
3360/* Done with PERLVAR macros for now ... */
d4cce5f1 3361#undef PERLVAR
51371543 3362#undef PERLVARA
d4cce5f1 3363#undef PERLVARI
3fe35a81 3364#undef PERLVARIC
79072805 3365
22239a37 3366#include "thread.h"
79072805 3367#include "pp.h"
864dbfa3
GS		 3368
3369#ifndef PERL_CALLCONV
3370# define PERL_CALLCONV
d460ef45 3371#endif
864dbfa3 3372
65f19062
GS		 3373#ifndef NEXT30_NO_ATTRIBUTE
3374# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3375# ifdef __attribute__ /* Avoid possible redefinition errors */
3376# undef __attribute__
3377# endif
3378# define __attribute__(attr)
3379# endif
3380#endif
3381
0cb96387
GS		 3382#undef PERL_CKDEF
3383#undef PERL_PPDEF
3384#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3385#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3386
7766f137 3387#include "proto.h"
864dbfa3 3388
0cb96387 3389/* this has structure inits, so it cannot be included before here */
acfe0abc 3390#include "opcode.h"
864dbfa3 3391
d4cce5f1
NIS		 3392/* The following must follow proto.h as #defines mess up syntax */
3393
22c35a8c
GS		 3394#if !defined(PERL_FOR_X2P)
3395# include "embedvar.h"
3396#endif
d4cce5f1 3397
d460ef45 3398/* Now include all the 'global' variables
d4cce5f1 3399 * If we don't have threads or multiple interpreters
d460ef45 3400 * these include variables that would have been their struct-s
d4cce5f1 3401 */
d460ef45 3402
533c011a 3403#define PERLVAR(var,type) EXT type PL_##var;
51371543 3404#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3405#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3406#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3407
acfe0abc 3408#if !defined(MULTIPLICITY)
7766f137 3409START_EXTERN_C
066ef5b5 3410# include "intrpvar.h"
4d1ff10f 3411# ifndef USE_5005THREADS
066ef5b5
GS		 3412# include "thrdvar.h"
3413# endif
7766f137 3414END_EXTERN_C
22239a37
NIS		 3415#endif
3416
acfe0abc 3417#if defined(WIN32)
66a93824 3418/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3419# include "embed.h"
acfe0abc 3420#endif
22239a37 3421
c5be433b
GS		 3422#ifndef PERL_GLOBAL_STRUCT
3423START_EXTERN_C
3424
3425# include "perlvars.h"
3426
3427END_EXTERN_C
3428#endif
3429
d4cce5f1 3430#undef PERLVAR
51371543 3431#undef PERLVARA
d4cce5f1 3432#undef PERLVARI
0f3f18a6 3433#undef PERLVARIC
79072805 3434
73c4f7a1
GS		 3435START_EXTERN_C
3436
79072805 3437#ifdef DOINIT
bbce6d69 3438
68795e93 3439EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3440 MEMBER_TO_FPTR(Perl_magic_set),
3441 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3442 0, 0};
2b260de0
GS		 3443EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3444 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3445 0};
2b260de0
GS		 3446EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3447 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3448 0};
22c35a8c 3449EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3450#ifdef PERL_MICRO
3451EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3452#else
2b260de0
GS		 3453EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3454 MEMBER_TO_FPTR(Perl_magic_setsig),
3455 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3456 0};
64ca3a65 3457#endif
68795e93
NIS		 3458EXT MGVTBL PL_vtbl_pack = {0, 0,
3459 MEMBER_TO_FPTR(Perl_magic_sizepack),
3460 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3461 0};
2b260de0 3462EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3463 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3464 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3465 0};
2b260de0 3466EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3467 0, 0, 0};
2b260de0
GS		 3468EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3469 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3470 0};
2b260de0 3471EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3472 0, 0, 0};
2b260de0
GS		 3473EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3474 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3475 0, 0, 0};
2b260de0
GS		 3476EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3477 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3478 0, 0, 0};
2b260de0 3479EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3480 0, 0, 0};
2b260de0
GS		 3481EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3482 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3483 0, 0, 0};
68795e93
NIS		 3484EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3485 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3486 0, 0, 0};
68795e93
NIS		 3487EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3488 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3489 0, 0, 0};
2b260de0 3490EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3491 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3492 0, 0, 0};
2b260de0
GS		 3493EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3494 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3495 0, 0, 0};
2b260de0 3496EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3497 0, 0, 0};
2b260de0 3498EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3499 0, 0, 0};
2b260de0
GS		 3500EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3501 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3502 0, 0, 0};
4d1ff10f 3503#ifdef USE_5005THREADS
68795e93
NIS		 3504EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3505 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3506#endif /* USE_5005THREADS */
68795e93
NIS		 3507EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3508 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3509 0, 0, 0};
a0d0e21e 3510
2b260de0
GS		 3511EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3512EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3513EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3514 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3515
36477c24 3516#ifdef USE_LOCALE_COLLATE
22c35a8c 3517EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3518 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3519 0, 0, 0};
3520#endif
a0d0e21e 3521
2b260de0
GS		 3522EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3523 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3524EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3525 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3526
810b8aa5 3527EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3528 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3529
d460ef45
NIS		 3530EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3531 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3532
bbce6d69 3533#else /* !DOINIT */
3534
22c35a8c
GS		 3535EXT MGVTBL PL_vtbl_sv;
3536EXT MGVTBL PL_vtbl_env;
3537EXT MGVTBL PL_vtbl_envelem;
3538EXT MGVTBL PL_vtbl_sig;
3539EXT MGVTBL PL_vtbl_sigelem;
3540EXT MGVTBL PL_vtbl_pack;
3541EXT MGVTBL PL_vtbl_packelem;
3542EXT MGVTBL PL_vtbl_dbline;
3543EXT MGVTBL PL_vtbl_isa;
3544EXT MGVTBL PL_vtbl_isaelem;
3545EXT MGVTBL PL_vtbl_arylen;
3546EXT MGVTBL PL_vtbl_glob;
3547EXT MGVTBL PL_vtbl_mglob;
3548EXT MGVTBL PL_vtbl_nkeys;
3549EXT MGVTBL PL_vtbl_taint;
3550EXT MGVTBL PL_vtbl_substr;
3551EXT MGVTBL PL_vtbl_vec;
3552EXT MGVTBL PL_vtbl_pos;
3553EXT MGVTBL PL_vtbl_bm;
3554EXT MGVTBL PL_vtbl_fm;
3555EXT MGVTBL PL_vtbl_uvar;
d460ef45 3556EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3557
4d1ff10f 3558#ifdef USE_5005THREADS
22c35a8c 3559EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3560#endif /* USE_5005THREADS */
f93b4edd 3561
22c35a8c
GS		 3562EXT MGVTBL PL_vtbl_defelem;
3563EXT MGVTBL PL_vtbl_regexp;
3564EXT MGVTBL PL_vtbl_regdata;
3565EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3566
36477c24 3567#ifdef USE_LOCALE_COLLATE
22c35a8c 3568EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3569#endif
a0d0e21e 3570
22c35a8c
GS		 3571EXT MGVTBL PL_vtbl_amagic;
3572EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3573
810b8aa5
GS		 3574EXT MGVTBL PL_vtbl_backref;
3575
bbce6d69 3576#endif /* !DOINIT */
85e6fe83 3577
f5284f61
IZ		 3578enum {
3579 fallback_amg, abs_amg,
3580 bool__amg, nomethod_amg,
3581 string_amg, numer_amg,
3582 add_amg, add_ass_amg,
3583 subtr_amg, subtr_ass_amg,
3584 mult_amg, mult_ass_amg,
3585 div_amg, div_ass_amg,
3586 modulo_amg, modulo_ass_amg,
3587 pow_amg, pow_ass_amg,
3588 lshift_amg, lshift_ass_amg,
3589 rshift_amg, rshift_ass_amg,
3590 band_amg, band_ass_amg,
3591 bor_amg, bor_ass_amg,
3592 bxor_amg, bxor_ass_amg,
3593 lt_amg, le_amg,
3594 gt_amg, ge_amg,
3595 eq_amg, ne_amg,
3596 ncmp_amg, scmp_amg,
3597 slt_amg, sle_amg,
3598 sgt_amg, sge_amg,
3599 seq_amg, sne_amg,
3600 not_amg, compl_amg,
3601 inc_amg, dec_amg,
3602 atan2_amg, cos_amg,
3603 sin_amg, exp_amg,
3604 log_amg, sqrt_amg,
3605 repeat_amg, repeat_ass_amg,
3606 concat_amg, concat_ass_amg,
3607 copy_amg, neg_amg,
3608 to_sv_amg, to_av_amg,
3609 to_hv_amg, to_gv_amg,
d460ef45 3610 to_cv_amg, iter_amg,
f216259d
IZ		 3611 int_amg, DESTROY_amg,
3612 max_amg_code
64a0062a 3613 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3614};
3615
3616#define NofAMmeth max_amg_code
89ffc314 3617#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3618
a0d0e21e 3619#ifdef DOINIT
22c35a8c 3620EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3621 /* Names kept in the symbol table. fallback => "()", the rest has
3622 "(" prepended. The only other place in perl which knows about
3623 this convention is AMG_id2name (used for debugging output and
3624 'nomethod' only), the only other place which has it hardwired is
3625 overload.pm. */
3626 "()", "(abs", /* "fallback" should be the first. */
3627 "(bool", "(nomethod",
3628 "(\"\"", "(0+",
3629 "(+", "(+=",
3630 "(-", "(-=",
3631 "(*", "(*=",
3632 "(/", "(/=",
3633 "(%", "(%=",
3634 "(**", "(**=",
3635 "(<<", "(<<=",
3636 "(>>", "(>>=",
3637 "(&", "(&=",
3638 "(|", "(|=",
3639 "(^", "(^=",
3640 "(<", "(<=",
3641 "(>", "(>=",
3642 "(==", "(!=",
3643 "(<=>", "(cmp",
3644 "(lt", "(le",
3645 "(gt", "(ge",
3646 "(eq", "(ne",
3647 "(!", "(~",
3648 "(++", "(--",
3649 "(atan2", "(cos",
3650 "(sin", "(exp",
3651 "(log", "(sqrt",
3652 "(x", "(x=",
3653 "(.", "(.=",
3654 "(=", "(neg",
3655 "(${}", "(@{}",
3656 "(%{}", "(*{}",
3657 "(&{}", "(<>",
f216259d 3658 "(int", "DESTROY",
a0d0e21e
LW		 3659};
3660#else
22c35a8c 3661EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3662#endif /* def INITAMAGIC */
3663
73c4f7a1
GS		 3664END_EXTERN_C
3665
a6006777 3666struct am_table {
eb160463 3667 U32 was_ok_sub;
a0d0e21e 3668 long was_ok_am;
a6006777 3669 U32 flags;
3670 CV* table[NofAMmeth];
a0d0e21e
LW		 3671 long fallback;
3672};
a6006777 3673struct am_table_short {
eb160463 3674 U32 was_ok_sub;
a6006777 3675 long was_ok_am;
3676 U32 flags;
3677};
a0d0e21e 3678typedef struct am_table AMT;
a6006777 3679typedef struct am_table_short AMTS;
a0d0e21e
LW		 3680
3681#define AMGfallNEVER 1
3682#define AMGfallNO 2
3683#define AMGfallYES 3
3684
a6006777 3685#define AMTf_AMAGIC 1
32251b26 3686#define AMTf_OVERLOADED 2
a6006777 3687#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3688#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3689#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3690#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3691#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3692#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3693
32251b26 3694#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3695
3696/*
3697 * some compilers like to redefine cos et alia as faster
3698 * (and less accurate?) versions called F_cos et cetera (Quidquid
3699 * latine dictum sit, altum viditur.) This trick collides with
3700 * the Perl overloading (amg). The following #defines fool both.
3701 */
3702
3703#ifdef _FASTMATH
3704# ifdef atan2
3705# define F_atan2_amg atan2_amg
3706# endif
3707# ifdef cos
3708# define F_cos_amg cos_amg
3709# endif
3710# ifdef exp
3711# define F_exp_amg exp_amg
3712# endif
3713# ifdef log
3714# define F_log_amg log_amg
3715# endif
3716# ifdef pow
3717# define F_pow_amg pow_amg
3718# endif
3719# ifdef sin
3720# define F_sin_amg sin_amg
3721# endif
3722# ifdef sqrt
3723# define F_sqrt_amg sqrt_amg
3724# endif
3725#endif /* _FASTMATH */
3726
83ee9e09
GS		 3727#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3728 PERLDBf_NOOPT | PERLDBf_INTER | \
3729 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3730 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3731 /* No _NONAME, _GOTO */
3732#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3733#define PERLDBf_LINE 0x02 /* Keep line # */
3734#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3735#define PERLDBf_INTER 0x08 /* Preserve more data for
3736 later inspections */
3737#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3738#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3739#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3740#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3741#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3742#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3743
3280af22
NIS		 3744#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3745#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3746#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3747#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3748#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3749#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3750#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3751#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3752#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3753#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3754
bbce6d69 3755
36477c24 3756#ifdef USE_LOCALE_NUMERIC
bbce6d69 3757
36477c24 3758#define SET_NUMERIC_STANDARD() \
ff4fed7c 3759 set_numeric_standard();
36477c24 3760
3761#define SET_NUMERIC_LOCAL() \
ff4fed7c 3762 set_numeric_local();
bbce6d69 3763
2de3dbcc
JH		 3764#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3765#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3766
3767#define IN_LOCALE \
3768 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3769
f93f4e46 3770#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3771 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3772 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3773
3774#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3775 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3776 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3777
3778#define RESTORE_NUMERIC_LOCAL() \
3779 if (was_local) SET_NUMERIC_LOCAL();
3780
3781#define RESTORE_NUMERIC_STANDARD() \
3782 if (was_standard) SET_NUMERIC_STANDARD();
3783
5b877257 3784#define Atof my_atof
097ee67d 3785
36477c24 3786#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3787
097ee67d
JH		 3788#define SET_NUMERIC_STANDARD() /**/
3789#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3790#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3791#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3792#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3793#define RESTORE_NUMERIC_LOCAL() /**/
3794#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3795#define Atof my_atof
ad3e0f90 3796#define IN_LOCALE_RUNTIME 0
bbce6d69 3797
36477c24 3798#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3799
079290de 3800#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3801# ifdef __hpux
3802# define strtoll __strtoll /* secret handshake */
3803# endif
c623ac67
GS		 3804# ifdef WIN64
3805# define strtoll _strtoi64 /* secret handshake */
3806# endif
079290de
GS		 3807# if !defined(Strtol) && defined(HAS_STRTOLL)
3808# define Strtol strtoll
ad551343 3809# endif
28e5dec8
JH		 3810# if !defined(Strtol) && defined(HAS_STRTOQ)
3811# define Strtol strtoq
3812# endif
ff935051 3813/* is there atoq() anywhere? */
15b99d39 3814#endif
079290de
GS		 3815#if !defined(Strtol) && defined(HAS_STRTOL)
3816# define Strtol strtol
3817#endif
3818#ifndef Atol
3819/* It would be more fashionable to use Strtol() to define atol()
3820 * (as is done for Atoul(), see below) but for backward compatibility
3821 * we just assume atol(). */
76b882ba 3822# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3823# ifdef WIN64
3824# define atoll _atoi64 /* secret handshake */
3825# endif
76b882ba
JH		 3826# define Atol atoll
3827# else
3828# define Atol atol
3829# endif
cf2093f6
JH		 3830#endif
3831
55eb892c 3832#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3833# ifdef __hpux
3834# define strtoull __strtoull /* secret handshake */
3835# endif
c623ac67
GS		 3836# ifdef WIN64
3837# define strtoull _strtoui64 /* secret handshake */
3838# endif
ad551343 3839# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3840# define Strtoul strtoull
15b99d39 3841# endif
079290de
GS		 3842# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3843# define Strtoul strtouq
3844# endif
76d49b1c 3845/* is there atouq() anywhere? */
ad551343 3846#endif
079290de
GS		 3847#if !defined(Strtoul) && defined(HAS_STRTOUL)
3848# define Strtoul strtoul
cf2093f6 3849#endif
079290de
GS		 3850#ifndef Atoul
3851# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3852#endif
cf2093f6 3853
3e61d65a 3854#if !defined(PERLIO_IS_STDIO)
d460ef45 3855/*
d460ef45 3856 * Remap printf
760ac839 3857 */
39455587 3858#undef printf
c745e42c
NIS		 3859#ifdef __GNUC__
3860#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3861#else
760ac839
LW		 3862#define printf PerlIO_stdoutf
3863#endif
c745e42c 3864#endif
760ac839 3865
06d86050
GS		 3866/* if these never got defined, they need defaults */
3867#ifndef PERL_SET_CONTEXT
3868# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3869#endif
3870
3871#ifndef PERL_GET_CONTEXT
3872# define PERL_GET_CONTEXT PERL_GET_INTERP
3873#endif
3874
3875#ifndef PERL_GET_THX
3876# define PERL_GET_THX ((void*)NULL)
3877#endif
3878
3879#ifndef PERL_SET_THX
3880# define PERL_SET_THX(t) NOOP
3881#endif
3882
a868473f
NIS		 3883#ifndef PERL_SCRIPT_MODE
3884#define PERL_SCRIPT_MODE "r"
3885#endif
3886
fba3b22e 3887/*
da927450
JH		 3888 * Some operating systems are stingy with stack allocation,
3889 * so perl may have to guard against stack overflow.
3890 */
3891#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3892#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3893#endif
3894
3895/*
3896 * Some nonpreemptive operating systems find it convenient to
3897 * check for asynchronous conditions after each op execution.
3898 * Keep this check simple, or it may slow down execution
3899 * massively.
3900 */
ce08f86c 3901
1d615522
JH		 3902#ifndef PERL_MICRO
3903# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3904# ifndef PERL_ASYNC_CHECK
3905# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3906# endif
1d615522 3907# endif
ce08f86c
NIS		 3908#endif
3909
da927450 3910#ifndef PERL_ASYNC_CHECK
1d615522 3911# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3912#endif
3913
3914/*
3915 * On some operating systems, a memory allocation may succeed,
3916 * but put the process too close to the system's comfort limit.
3917 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3918 * it to NULL.
3919 */
3920#ifndef PERL_ALLOC_CHECK
c2af87cb 3921#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3922#endif
3923
3924/*
fba3b22e
MB		 3925 * nice_chunk and nice_chunk size need to be set
3926 * and queried under the protection of sv_mutex
3927 */
30ad99e7
MJD		 3928#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3929 void *new_chunk; \
3930 U32 new_chunk_size; \
3931 LOCK_SV_MUTEX; \
3932 new_chunk = (void *)(chunk); \
3933 new_chunk_size = (chunk_size); \
3934 if (new_chunk_size > PL_nice_chunk_size) { \
3935 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3936 PL_nice_chunk = new_chunk; \
3937 PL_nice_chunk_size = new_chunk_size; \
3938 } else { \
3939 Safefree(chunk); \
3940 } \
3941 UNLOCK_SV_MUTEX; \
3942 } STMT_END
fba3b22e 3943
bd89102f
AD		 3944#ifdef HAS_SEM
3945# include <sys/ipc.h>
3946# include <sys/sem.h>
3947# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3948 union semun {
dbba660d
TC		 3949 int val;
3950 struct semid_ds *buf;
3951 unsigned short *array;
bd89102f
AD		 3952 };
3953# endif
3954# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3955# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3956 union gccbug_semun {
3957 int val;
3958 struct semid_ds *buf;
3959 unsigned short *array;
3960 char __dummy[5];
3961 };
3962# define semun gccbug_semun
3963# endif
bd89102f
AD		 3964# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3965# else
3966# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3967# ifdef EXTRA_F_IN_SEMUN_BUF
3968# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3969# else
3970# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3971# endif
bd89102f
AD		 3972# endif
3973# endif
bd89102f 3974#endif
49f531da 3975
89ca4ac7
JH		 3976/*
3977 * Boilerplate macros for initializing and accessing interpreter-local
3978 * data from C. All statics in extensions should be reworked to use
3979 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 3980 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 3981 *
3982 * Code that uses these macros is responsible for the following:
43a739c2
JH		 3983 * 1. #define MY_CXT_KEY to a unique string, e.g.
3984 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 3985 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3986 * all the data that needs to be interpreter-local.
3987 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3988 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3989 * (typically put in the BOOT: section).
3990 * 5. Use the members of the my_cxt_t structure everywhere as
3991 * MY_CXT.member.
3992 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3993 * access MY_CXT.
3994 */
3995
fc958cd2 3996#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3997
3998/* This must appear in all extensions that define a my_cxt_t structure,
3999 * right after the definition (i.e. at file scope). The non-threads
4000 * case below uses it to declare the data as static. */
4001#define START_MY_CXT
4002
4003/* Fetches the SV that keeps the per-interpreter data. */
4004#define dMY_CXT_SV \
4005 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4006 sizeof(MY_CXT_KEY)-1, TRUE)
4007
4008/* This declaration should be used within all functions that use the
4009 * interpreter-local data. */
4010#define dMY_CXT \
4011 dMY_CXT_SV; \
ec0e15e0 4012 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4013
4014/* Creates and zeroes the per-interpreter data.
4015 * (We allocate my_cxtp in a Perl SV so that it will be released when
4016 * the interpreter goes away.) */
4017#define MY_CXT_INIT \
4018 dMY_CXT_SV; \
4019 /* newSV() allocates one more than needed */ \
4020 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4021 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4022 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4023
4024/* This macro must be used to access members of the my_cxt_t structure.
4025 * e.g. MYCXT.some_data */
4026#define MY_CXT (*my_cxtp)
4027
4028/* Judicious use of these macros can reduce the number of times dMY_CXT
4029 * is used. Use is similar to pTHX, aTHX etc. */
4030#define pMY_CXT my_cxt_t *my_cxtp
4031#define pMY_CXT_ pMY_CXT,
4032#define _pMY_CXT ,pMY_CXT
4033#define aMY_CXT my_cxtp
4034#define aMY_CXT_ aMY_CXT,
4035#define _aMY_CXT ,aMY_CXT
4036
4037#else /* USE_ITHREADS */
4038
4039#define START_MY_CXT static my_cxt_t my_cxt;
4040#define dMY_CXT_SV dNOOP
4041#define dMY_CXT dNOOP
4042#define MY_CXT_INIT NOOP
4043#define MY_CXT my_cxt
4044
4045#define pMY_CXT void
4046#define pMY_CXT_
4047#define _pMY_CXT
4048#define aMY_CXT
4049#define aMY_CXT_
4050#define _aMY_CXT
4051
4052#endif /* !defined(USE_ITHREADS) */
4053
9a34ef1d
GS		 4054#ifdef I_FCNTL
4055# include <fcntl.h>
9a34ef1d
GS		 4056#endif
4057
4058#ifdef I_SYS_FILE
4059# include <sys/file.h>
4060#endif
4061
fa0a29af 4062#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4063int flock(int fd, int op);
4064#endif
4065
fe52b3b7
GS		 4066#ifndef O_RDONLY
4067/* Assume UNIX defaults */
4068# define O_RDONLY 0000
4069# define O_WRONLY 0001
4070# define O_RDWR 0002
4071# define O_CREAT 0100
4072#endif
9a34ef1d 4073
16fe6d59
GS		 4074#ifndef O_BINARY
4075# define O_BINARY 0
4076#endif
4077
4078#ifndef O_TEXT
4079# define O_TEXT 0
4080#endif
4081
6ce75a77
JH		 4082#if O_TEXT != O_BINARY
4083 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4084 * that is, you are somehow DOSish. */
73250e76 4085# if defined(__BEOS__) || defined(__VOS__)
a6e45062
JH		 4086 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4087 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4088 /* VOS has O_TEXT != O_BINARY, and they have effect,
4089 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4090 /* If you have O_TEXT different from your O_BINARY but you still are
4091 * not a CRLF shop. */
35990314 4092# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4093# else
4094 /* If you really are DOSish. */
4095# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4096# endif
4097#endif
4098
104d25b7
JH		 4099#ifdef IAMSUID
4100
4101#ifdef I_SYS_STATVFS
9f982a77
IG		 4102# if defined(PERL_SCO) && !defined(_SVID3)
4103# define _SVID3
4104# endif
32b3cf08
JH		 4105# include <sys/statvfs.h> /* for f?statvfs() */
4106#endif
4107#ifdef I_SYS_MOUNT
4108# include <sys/mount.h> /* for *BSD f?statfs() */
4109#endif
4110#ifdef I_MNTENT
4111# include <mntent.h> /* for getmntent() */
104d25b7 4112#endif
0545a864
JH		 4113#ifdef I_SYS_STATFS
4114# include <sys/statfs.h> /* for some statfs() */
4115#endif
4116#ifdef I_SYS_VFS
8d9e1a19
GS		 4117# ifdef __sgi
4118# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4119# endif
4120# include <sys/vfs.h> /* for some statfs() */
4121# ifdef __sgi
4122# undef IRIX_sv
4123# endif
0545a864
JH		 4124#endif
4125#ifdef I_USTAT
4126# include <ustat.h> /* for ustat() */
4127#endif
4128
4129#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4130# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4131#endif
4132#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4133# define PERL_MOUNT_NOSUID MNT_NOSUID
4134#endif
4135#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4136# define PERL_MOUNT_NOSUID MS_NOSUID
4137#endif
4138#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4139# define PERL_MOUNT_NOSUID M_NOSUID
4140#endif
104d25b7
JH		 4141
4142#endif /* IAMSUID */
4143
4bc88a62
PS		 4144#ifdef I_LIBUTIL
4145# include <libutil.h> /* setproctitle() in some FreeBSDs */
4146#endif
4147
b4748376
NIS		 4148#ifndef EXEC_ARGV_CAST
4149#define EXEC_ARGV_CAST(x) x
4150#endif
4151
dd5dc04f
JH		 4152#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4153 int). value returned in pointed-
4154 to UV */
4155#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4156#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4157#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4158#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4159#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4160
4161#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4162
53305cf1
NC		 4163/* Input flags: */
4164#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4165#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 4166/* Output flags: */
4167#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4168
2c4f7f0e
DM		 4169/* to let user control profiling */
4170#ifdef PERL_GPROF_CONTROL
4171extern void moncontrol(int);
4172#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4173#else
4174#define PERL_GPROF_MONCONTROL(x)
4175#endif
4176
ae0e3d3b
JH		 4177#ifdef UNDER_CE
4178#include "wince.h"
4179#endif
4180
4181/* ISO 6429 NEL - C1 control NExt Line */
4182/* See http://www.unicode.org/unicode/reports/tr13/ */
4183#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4184# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4185# define NEXT_LINE_CHAR 0x15
4186# else /* CDRA */
4187# define NEXT_LINE_CHAR 0x25
4188# endif
4189#else
4190# define NEXT_LINE_CHAR 0x85
4191#endif
4192
4193/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4194#define UNICODE_LINE_SEPA_0 0xE2
4195#define UNICODE_LINE_SEPA_1 0x80
4196#define UNICODE_LINE_SEPA_2 0xA8
4197#define UNICODE_PARA_SEPA_0 0xE2
4198#define UNICODE_PARA_SEPA_1 0x80
4199#define UNICODE_PARA_SEPA_2 0xA9
4200
4d8076ea 4201/* and finally... */
cceca5ed 4202#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4203#include "patchlevel.h"
cceca5ed 4204#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4205
43999f95 4206/* Mention
d460ef45 4207
43999f95 4208 NV_PRESERVES_UV
fe749a9f 4209
fe749a9f
JH		 4210 HAS_MKSTEMP
4211 HAS_MKSTEMPS
4212 HAS_MKDTEMP
4213
49dabb45
JH		 4214 HAS_GETCWD
4215
d59b5429 4216 HAS_MMAP
fe749a9f
JH		 4217 HAS_MPROTECT
4218 HAS_MSYNC
1e8c3fde 4219 HAS_MADVISE
fe749a9f
JH		 4220 HAS_MUNMAP
4221 I_SYSMMAN
4222 Mmap_t
4223
6b4667fc
A		 4224 NVef
4225 NVff
4226 NVgf
4227
4e0554ec
JH		 4228 HAS_USLEEP
4229 HAS_UALARM
4230
4231 HAS_SETITIMER
4232 HAS_GETITIMER
4233
4234 HAS_SENDMSG
4235 HAS_RECVMSG
4236 HAS_READV
4237 HAS_WRITEV
4238 I_SYSUIO
4239 HAS_STRUCT_MSGHDR
4240 HAS_STRUCT_CMSGHDR
4241
2765b840 4242 HAS_NL_LANGINFO
0a7020c9 4243
ae0e3d3b 4244 HAS_DIRFD
2765b840 4245
43999f95
JH		 4246 so that Configure picks them up. */
4247
85e6fe83 4248#endif /* Include guard */
ae0e3d3b 4249
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