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It's the Barbie bus patch
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
54ca4ee7 4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
27da23d5
JH		 62#ifdef PERL_GLOBAL_STRUCT_PRIVATE
63# ifndef PERL_GLOBAL_STRUCT
64# define PERL_GLOBAL_STRUCT
65# endif
66#endif
97aff369 67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT
69# ifndef MULTIPLICITY
70# define MULTIPLICITY
71# endif
72#endif
73
97aff369
JH		 74#ifdef MULTIPLICITY
75# ifndef PERL_IMPLICIT_CONTEXT
76# define PERL_IMPLICIT_CONTEXT
77# endif
78#endif
79
026fd48b
GH		 80/* undef WIN32 when building on Cygwin (for libwin32) - gph */
81#ifdef __CYGWIN__
82# undef WIN32
83# undef _WIN32
84#endif
85
27da23d5
JH		 86#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
87# ifndef SYMBIAN
88# define SYMBIAN
89# endif
90#endif
91
a0fd4948 92#ifdef __SYMBIAN32__
27da23d5
JH		 93# include "symbian/symbian_proto.h"
94#endif
95
96/* Any stack-challenged places. The limit varies (and often
97 * is configurable), but using more than a kilobyte of stack
98 * is usually dubious in these systems. */
a0fd4948 99#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 100/* EPOC/Symbian: need to work around the SDK features. *
101 * On WINS: MS VC5 generates calls to _chkstk, *
102 * if a "large" stack frame is allocated. *
103 * gcc on MARM does not generate calls like these. */
104# define USE_HEAP_INSTEAD_OF_STACK
105#endif
106
107#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 108/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 109#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 110# define USE_REENTRANT_API
111#endif
112
ac6bedea
JH		 113/* <--- here ends the logic shared by perl.h and makedef.pl */
114
af28e889 115/*
6239f2da
JH		 116 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
117 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 118 * __bsdi__ for BSD/OS
119 */
6239f2da 120#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 121# ifndef BSDish
122# define BSDish
123# endif
124#endif
125
27da23d5
JH		 126#ifdef PERL_GLOBAL_STRUCT
127# ifndef PERL_GET_VARS
128# ifdef PERL_GLOBAL_STRUCT_PRIVATE
129 extern struct perl_vars* Perl_GetVarsPrivate();
130# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
131# ifndef PERLIO_FUNCS_CONST
132# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
133# endif
134# else
135# define PERL_GET_VARS() PL_VarsPtr
136# endif
137# endif
138#endif
139
140#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
141
142#ifdef PERL_GLOBAL_STRUCT
143# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
144#else
145# define dVAR dNOOP
146#endif
147
c5be433b 148#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 149# ifndef MULTIPLICITY
150# define MULTIPLICITY
c5be433b 151# endif
e8dda941 152# define tTHX PerlInterpreter*
e8dda941 153# define pTHX register tTHX my_perl PERL_UNUSED_DECL
3db8f154 154# define aTHX my_perl
27da23d5 155# ifdef PERL_GLOBAL_STRUCT
e8dda941 156# define dTHXa(a) dVAR; pTHX = (tTHX)a
27da23d5 157# else
e8dda941 158# define dTHXa(a) pTHX = (tTHX)a
27da23d5
JH		 159# endif
160# ifdef PERL_GLOBAL_STRUCT
161# define dTHX dVAR; pTHX = PERL_GET_THX
162# else
163# define dTHX pTHX = PERL_GET_THX
164# endif
c5be433b 165# define pTHX_ pTHX,
c5be433b 166# define aTHX_ aTHX,
4373e329 167# define pTHX_1 2
894356b3
GS		 168# define pTHX_2 3
169# define pTHX_3 4
170# define pTHX_4 5
4373e329
AL		 171# define pTHX_5 6
172# define pTHX_6 7
a3b680e6
AL		 173# define pTHX_7 8
174# define pTHX_8 9
175# define pTHX_9 10
e8dda941
JD		 176# if defined(DEBUGGING) && !defined(PERL_TRACK_MEMPOOL)
177# define PERL_TRACK_MEMPOOL
178# endif
179#else
180# undef PERL_TRACK_MEMPOOL
c5be433b
GS		 181#endif
182
76e3520e
GS		 183#define STATIC static
184#define CPERLscope(x) x
565764a8 185#define CPERLarg void
76e3520e 186#define CPERLarg_
e3b8966e 187#define _CPERLarg
1d583055
GS		 188#define PERL_OBJECT_THIS
189#define _PERL_OBJECT_THIS
190#define PERL_OBJECT_THIS_
312caa8e 191#define CALL_FPTR(fptr) (*fptr)
76e3520e 192
312caa8e
CS		 193#define CALLRUNOPS CALL_FPTR(PL_runops)
194#define CALLREGCOMP CALL_FPTR(PL_regcompp)
195#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 196#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
197#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
198#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 199
1215b447
JH		 200/* XXX The PERL_UNUSED_DECL suffix is unfortunately rather inflexible:
201 * it assumes that in all compilers the way to suppress an "unused"
202 * warning is to have a suffix. In some compilers that might be a
203 * a compiler pragma, e.g. #pragma unused(varname). */
204
9969cdde 205#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5
AMS		 206# ifdef __cplusplus
207# define PERL_UNUSED_DECL
208# else
209# define PERL_UNUSED_DECL __attribute__((unused))
210# endif
211#endif
44dbb695 212
5b2bd0a5 213#ifndef PERL_UNUSED_DECL
b79c357a
RGS		 214# ifdef HASATTRIBUTE_UNUSED
215# define PERL_UNUSED_DECL __attribute__unused__
216# else
217# define PERL_UNUSED_DECL
218# endif
5b2bd0a5
AMS		 219#endif
220
349b520e
DM		 221/* gcc -Wall:
222 * for silencing unused variables that are actually used most of the time,
a0288114 223 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 224 */
53c1dcc0 225#ifndef PERL_UNUSED_ARG
ad73156c
AL		 226# ifdef lint
227# include <note.h>
53c1dcc0 228# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 229# else
53c1dcc0 230# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 231# endif
232#endif
53c1dcc0
AL		 233#ifndef PERL_UNUSED_VAR
234# define PERL_UNUSED_VAR(x) ((void)x)
235#endif
ad73156c 236
0cb96387 237#define NOOP (void)0
44dbb695 238#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 239
0cb96387 240#ifndef pTHX
e8dda941
JD		 241/* Don't bother defining tTHX and sTHX; using them outside
242 * code guarded by PERL_IMPLICIT_CONTEXT is an error.
243 */
0cb96387
GS		 244# define pTHX void
245# define pTHX_
0cb96387
GS		 246# define aTHX
247# define aTHX_
0cb96387
GS		 248# define dTHXa(a) dNOOP
249# define dTHX dNOOP
894356b3
GS		 250# define pTHX_1 1
251# define pTHX_2 2
252# define pTHX_3 3
253# define pTHX_4 4
3d42dc86
RGS		 254# define pTHX_5 5
255# define pTHX_6 6
a3b680e6
AL		 256# define pTHX_7 7
257# define pTHX_8 8
258# define pTHX_9 9
0cb96387
GS		 259#endif
260
27da23d5
JH		 261#ifndef dVAR
262# define dVAR dNOOP
263#endif
264
b4f7f263
GS		 265/* these are only defined for compatibility; should not be used internally */
266#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 267# define pTHXo pTHX
268# define pTHXo_ pTHX_
0cb96387
GS		 269# define aTHXo aTHX
270# define aTHXo_ aTHX_
c5be433b 271# define dTHXo dTHX
71d280e3 272# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 273#endif
274
275#ifndef pTHXx
276# define pTHXx register PerlInterpreter *my_perl
277# define pTHXx_ pTHXx,
0cb96387
GS		 278# define aTHXx my_perl
279# define aTHXx_ aTHXx,
c5be433b 280# define dTHXx dTHX
22c35a8c 281#endif
71be2cbc 282
1de7c2ac
GS		 283/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
284 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
285 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
286#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 287# ifdef PERL_GLOBAL_STRUCT_PRIVATE
288# define dTHXs dVAR; dTHX
289# else
290# define dTHXs dTHX
291# endif
1de7c2ac 292#else
27da23d5
JH		 293# ifdef PERL_GLOBAL_STRUCT_PRIVATE
294# define dTHXs dVAR
295# else
296# define dTHXs dNOOP
297# endif
1de7c2ac
GS		 298#endif
299
326b05e3
GS		 300#undef START_EXTERN_C
301#undef END_EXTERN_C
302#undef EXTERN_C
32f822de
GS		 303#ifdef __cplusplus
304# define START_EXTERN_C extern "C" {
305# define END_EXTERN_C }
306# define EXTERN_C extern "C"
307#else
d460ef45
NIS		 308# define START_EXTERN_C
309# define END_EXTERN_C
73c4f7a1 310# define EXTERN_C extern
32f822de
GS		 311#endif
312
27da23d5
JH		 313/* Some platforms require marking function declarations
314 * for them to be exportable. Used in perlio.h, proto.h
315 * is handled either by the makedef.pl or by defining the
316 * PERL_CALLCONV to be something special. See also the
317 * definition of XS() in XSUB.h. */
318#ifndef PERL_EXPORT_C
319# define PERL_EXPORT_C extern
320#endif
321#ifndef PERL_XS_EXPORT_C
322# define PERL_XS_EXPORT_C
323#endif
324
462e5cf6
MB		 325#ifdef OP_IN_REGISTER
326# ifdef __GNUC__
327# define stringify_immed(s) #s
328# define stringify(s) stringify_immed(s)
d1ca3daa 329register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 330# endif
331#endif
332
5dc8bdac 333#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 334# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
335# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
336# endif
5dc8bdac
JH		 337#endif
338
728e2803 339/*
340 * STMT_START { statements; } STMT_END;
341 * can be used as a single statement, as in
342 * if (x) STMT_START { ... } STMT_END; else ...
343 *
344 * Trying to select a version that gives no warnings...
345 */
346#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 347# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 348# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 349# define STMT_END )
350# else
351 /* Now which other defined()s do we need here ??? */
93189314 352# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 353# define STMT_START if (1)
354# define STMT_END else (void)0
355# else
356# define STMT_START do
357# define STMT_END while (0)
358# endif
359# endif
360#endif
361
0cb96387 362#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 363#define WITH_THR(s) WITH_THX(s)
ea0efc06 364
55497cff 365/*
366 * SOFT_CAST can be used for args to prototyped functions to retain some
367 * type checking; it only casts if the compiler does not know prototypes.
368 */
369#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
370#define SOFT_CAST(type)
371#else
372#define SOFT_CAST(type) (type)
373#endif
79072805 374
d6f9c181
JH		 375#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
376# define BYTEORDER 0x1234
79072805
LW		 377#endif
378
379/* Overall memory policy? */
380#ifndef CONSERVATIVE
381# define LIBERAL 1
382#endif
383
8ada0baa
JH		 384#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
385#define ASCIIish
386#else
387#undef ASCIIish
388#endif
389
79072805
LW		 390/*
391 * The following contortions are brought to you on behalf of all the
392 * standards, semi-standards, de facto standards, not-so-de-facto standards
393 * of the world, as well as all the other botches anyone ever thought of.
394 * The basic theory is that if we work hard enough here, the rest of the
395 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
396 */
ac58e20f 397
ee0007ab 398/* define this once if either system, instead of cluttering up the src */
2986a63f 399#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 400#define DOSISH 1
401#endif
402
fb38d079 403#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 404# define STANDARD_C 1
405#endif
406
9969cdde 407#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 408# define DONT_DECLARE_STD 1
409#endif
410
352d5a3a 411#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 412# ifdef __cplusplus
cb69f87a 413# define VOL /* to temporarily suppress warnings */
79072805
LW		 414# else
415# define VOL volatile
416# endif
663a0e37 417#else
79072805 418# define VOL
663a0e37
LW		 419#endif
420
3280af22
NIS		 421#define TAINT (PL_tainted = TRUE)
422#define TAINT_NOT (PL_tainted = FALSE)
423#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
424#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 425#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 426
d460ef45 427/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 428 defines move there? If so, I could simplify this a lot. --AD 9/96.
429*/
430/* Process group stuff changed from traditional BSD to POSIX.
431 perlfunc.pod documents the traditional BSD-style syntax, so we'll
432 try to preserve that, if possible.
433*/
434#ifdef HAS_SETPGID
435# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 436#else
a6e633de 437# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
438# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
439# else
440# ifdef HAS_SETPGRP2 /* DG/UX */
441# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
442# endif
443# endif
444#endif
445#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
446# define HAS_SETPGRP /* Well, effectively it does . . . */
447#endif
448
449/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
450 our life easier :-) so we'll try it.
451*/
452#ifdef HAS_GETPGID
453# define BSD_GETPGRP(pid) getpgid((pid))
454#else
455# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
456# define BSD_GETPGRP(pid) getpgrp((pid))
457# else
458# ifdef HAS_GETPGRP2 /* DG/UX */
459# define BSD_GETPGRP(pid) getpgrp2((pid))
460# endif
461# endif
462#endif
463#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
464# define HAS_GETPGRP /* Well, effectively it does . . . */
465#endif
466
d460ef45 467/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 468 have different behaviors, but perl.h used to define USE_BSDPGRP
469 (prior to 5.003_05) so some extension might depend on it.
470*/
471#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
472# ifndef USE_BSDPGRP
473# define USE_BSDPGRP
474# endif
663a0e37
LW		 475#endif
476
8ac5a1fe
MH		 477/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
478 pthread.h must be included before all other header files.
479*/
3db8f154 480#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 481# include <pthread.h>
482#endif
483
760ac839
LW		 484#ifndef _TYPES_ /* If types.h defines this it's easy. */
485# ifndef major /* Does everyone's types.h define this? */
486# include <sys/types.h>
c07a80fd 487# endif
663a0e37
LW		 488#endif
489
760ac839
LW		 490#ifdef __cplusplus
491# ifndef I_STDARG
492# define I_STDARG 1
493# endif
494#endif
495
496#ifdef I_STDARG
497# include <stdarg.h>
498#else
499# ifdef I_VARARGS
500# include <varargs.h>
501# endif
502#endif
503
4633a7c4 504#ifdef USE_NEXT_CTYPE
0c30d9ec 505
092bebab
JH		 506#if NX_CURRENT_COMPILER_RELEASE >= 500
507# include <bsd/ctypes.h>
508#else
509# if NX_CURRENT_COMPILER_RELEASE >= 400
510# include <objc/NXCType.h>
511# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
512# include <appkit/NXCType.h>
513# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
514#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 515
516#else /* !USE_NEXT_CTYPE */
fe14fcc3 517#include <ctype.h>
0c30d9ec 518#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 519
520#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
521#undef METHOD
a0d0e21e
LW		 522#endif
523
12ae5dfc
JH		 524#ifdef PERL_MICRO
525# define NO_LOCALE
526#endif
527
4633a7c4 528#ifdef I_LOCALE
36477c24 529# include <locale.h>
4633a7c4
LW		 530#endif
531
36477c24 532#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
533# define USE_LOCALE
534# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
535 && defined(HAS_STRXFRM)
536# define USE_LOCALE_COLLATE
537# endif
538# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
539# define USE_LOCALE_CTYPE
540# endif
541# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
542# define USE_LOCALE_NUMERIC
543# endif
544#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 545
fe14fcc3 546#include <setjmp.h>
79072805 547
a0d0e21e 548#ifdef I_SYS_PARAM
79072805
LW		 549# ifdef PARAM_NEEDS_TYPES
550# include <sys/types.h>
551# endif
552# include <sys/param.h>
352d5a3a 553#endif
79072805 554
79072805 555/* Use all the "standard" definitions? */
a0d0e21e 556#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 557# include <stdlib.h>
ff68c719 558#endif
03a14243 559
3f270f98
JH		 560/* If this causes problems, set i_unistd=undef in the hint file. */
561#ifdef I_UNISTD
562# include <unistd.h>
563#endif
564
9969cdde 565#ifdef __SYMBIAN32__
27da23d5
JH		 566# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
567#endif
568
7114a2d2 569#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 570int syscall(int, ...);
571#endif
572
7114a2d2 573#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 574int usleep(unsigned int);
2ef53570
JH		 575#endif
576
9a34ef1d
GS		 577#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
578# define MYSWAP
579#endif
580
1109a392
MHM		 581#ifdef PERL_CORE
582
583/* macros for correct constant construction */
584# if INTSIZE >= 2
585# define U16_CONST(x) ((U16)x##U)
586# else
587# define U16_CONST(x) ((U16)x##UL)
588# endif
589
590# if INTSIZE >= 4
591# define U32_CONST(x) ((U32)x##U)
592# else
593# define U32_CONST(x) ((U32)x##UL)
594# endif
595
596# ifdef HAS_QUAD
597# if INTSIZE >= 8
598# define U64_CONST(x) ((U64)x##U)
599# elif LONGSIZE >= 8
600# define U64_CONST(x) ((U64)x##UL)
601# elif QUADKIND == QUAD_IS_LONG_LONG
602# define U64_CONST(x) ((U64)x##ULL)
603# else /* best guess we can make */
604# define U64_CONST(x) ((U64)x##UL)
605# endif
606# endif
607
608/* byte-swapping functions for big-/little-endian conversion */
609# define _swab_16_(x) ((U16)( \
610 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
611 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
612
613# define _swab_32_(x) ((U32)( \
614 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
615 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
616 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
617 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
618
619# ifdef HAS_QUAD
620# define _swab_64_(x) ((U64)( \
621 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
622 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
623 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
624 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
625 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
626 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
627 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
628 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
629# endif
630
631/*----------------------------------------------------------------------------*/
632# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
633/*----------------------------------------------------------------------------*/
634# define my_htole16(x) (x)
635# define my_letoh16(x) (x)
636# define my_htole32(x) (x)
637# define my_letoh32(x) (x)
638# define my_htobe16(x) _swab_16_(x)
639# define my_betoh16(x) _swab_16_(x)
640# define my_htobe32(x) _swab_32_(x)
641# define my_betoh32(x) _swab_32_(x)
642# ifdef HAS_QUAD
643# define my_htole64(x) (x)
644# define my_letoh64(x) (x)
645# define my_htobe64(x) _swab_64_(x)
646# define my_betoh64(x) _swab_64_(x)
647# endif
648# define my_htoles(x) (x)
649# define my_letohs(x) (x)
650# define my_htolei(x) (x)
651# define my_letohi(x) (x)
652# define my_htolel(x) (x)
653# define my_letohl(x) (x)
654# if SHORTSIZE == 1
655# define my_htobes(x) (x)
656# define my_betohs(x) (x)
657# elif SHORTSIZE == 2
658# define my_htobes(x) _swab_16_(x)
659# define my_betohs(x) _swab_16_(x)
660# elif SHORTSIZE == 4
661# define my_htobes(x) _swab_32_(x)
662# define my_betohs(x) _swab_32_(x)
663# elif SHORTSIZE == 8
664# define my_htobes(x) _swab_64_(x)
665# define my_betohs(x) _swab_64_(x)
666# else
667# define PERL_NEED_MY_HTOBES
668# define PERL_NEED_MY_BETOHS
669# endif
670# if INTSIZE == 1
671# define my_htobei(x) (x)
672# define my_betohi(x) (x)
673# elif INTSIZE == 2
674# define my_htobei(x) _swab_16_(x)
675# define my_betohi(x) _swab_16_(x)
676# elif INTSIZE == 4
677# define my_htobei(x) _swab_32_(x)
678# define my_betohi(x) _swab_32_(x)
679# elif INTSIZE == 8
680# define my_htobei(x) _swab_64_(x)
681# define my_betohi(x) _swab_64_(x)
682# else
683# define PERL_NEED_MY_HTOBEI
684# define PERL_NEED_MY_BETOHI
685# endif
686# if LONGSIZE == 1
687# define my_htobel(x) (x)
688# define my_betohl(x) (x)
689# elif LONGSIZE == 2
690# define my_htobel(x) _swab_16_(x)
691# define my_betohl(x) _swab_16_(x)
692# elif LONGSIZE == 4
693# define my_htobel(x) _swab_32_(x)
694# define my_betohl(x) _swab_32_(x)
695# elif LONGSIZE == 8
696# define my_htobel(x) _swab_64_(x)
697# define my_betohl(x) _swab_64_(x)
698# else
699# define PERL_NEED_MY_HTOBEL
700# define PERL_NEED_MY_BETOHL
701# endif
702# define my_htolen(p,n) NOOP
703# define my_letohn(p,n) NOOP
704# define my_htoben(p,n) my_swabn(p,n)
705# define my_betohn(p,n) my_swabn(p,n)
706/*----------------------------------------------------------------------------*/
707# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
708/*----------------------------------------------------------------------------*/
709# define my_htobe16(x) (x)
710# define my_betoh16(x) (x)
711# define my_htobe32(x) (x)
712# define my_betoh32(x) (x)
713# define my_htole16(x) _swab_16_(x)
714# define my_letoh16(x) _swab_16_(x)
715# define my_htole32(x) _swab_32_(x)
716# define my_letoh32(x) _swab_32_(x)
717# ifdef HAS_QUAD
718# define my_htobe64(x) (x)
719# define my_betoh64(x) (x)
720# define my_htole64(x) _swab_64_(x)
721# define my_letoh64(x) _swab_64_(x)
722# endif
723# define my_htobes(x) (x)
724# define my_betohs(x) (x)
725# define my_htobei(x) (x)
726# define my_betohi(x) (x)
727# define my_htobel(x) (x)
728# define my_betohl(x) (x)
729# if SHORTSIZE == 1
730# define my_htoles(x) (x)
731# define my_letohs(x) (x)
732# elif SHORTSIZE == 2
733# define my_htoles(x) _swab_16_(x)
734# define my_letohs(x) _swab_16_(x)
735# elif SHORTSIZE == 4
736# define my_htoles(x) _swab_32_(x)
737# define my_letohs(x) _swab_32_(x)
738# elif SHORTSIZE == 8
739# define my_htoles(x) _swab_64_(x)
740# define my_letohs(x) _swab_64_(x)
741# else
742# define PERL_NEED_MY_HTOLES
743# define PERL_NEED_MY_LETOHS
744# endif
745# if INTSIZE == 1
746# define my_htolei(x) (x)
747# define my_letohi(x) (x)
748# elif INTSIZE == 2
749# define my_htolei(x) _swab_16_(x)
750# define my_letohi(x) _swab_16_(x)
751# elif INTSIZE == 4
752# define my_htolei(x) _swab_32_(x)
753# define my_letohi(x) _swab_32_(x)
754# elif INTSIZE == 8
755# define my_htolei(x) _swab_64_(x)
756# define my_letohi(x) _swab_64_(x)
757# else
758# define PERL_NEED_MY_HTOLEI
759# define PERL_NEED_MY_LETOHI
760# endif
761# if LONGSIZE == 1
762# define my_htolel(x) (x)
763# define my_letohl(x) (x)
764# elif LONGSIZE == 2
765# define my_htolel(x) _swab_16_(x)
766# define my_letohl(x) _swab_16_(x)
767# elif LONGSIZE == 4
768# define my_htolel(x) _swab_32_(x)
769# define my_letohl(x) _swab_32_(x)
770# elif LONGSIZE == 8
771# define my_htolel(x) _swab_64_(x)
772# define my_letohl(x) _swab_64_(x)
773# else
774# define PERL_NEED_MY_HTOLEL
775# define PERL_NEED_MY_LETOHL
776# endif
777# define my_htolen(p,n) my_swabn(p,n)
778# define my_letohn(p,n) my_swabn(p,n)
779# define my_htoben(p,n) NOOP
780# define my_betohn(p,n) NOOP
781/*----------------------------------------------------------------------------*/
782# else /* all other byte-orders */
783/*----------------------------------------------------------------------------*/
784# define PERL_NEED_MY_HTOLE16
785# define PERL_NEED_MY_LETOH16
786# define PERL_NEED_MY_HTOBE16
787# define PERL_NEED_MY_BETOH16
788# define PERL_NEED_MY_HTOLE32
789# define PERL_NEED_MY_LETOH32
790# define PERL_NEED_MY_HTOBE32
791# define PERL_NEED_MY_BETOH32
792# ifdef HAS_QUAD
793# define PERL_NEED_MY_HTOLE64
794# define PERL_NEED_MY_LETOH64
795# define PERL_NEED_MY_HTOBE64
796# define PERL_NEED_MY_BETOH64
797# endif
798# define PERL_NEED_MY_HTOLES
799# define PERL_NEED_MY_LETOHS
800# define PERL_NEED_MY_HTOBES
801# define PERL_NEED_MY_BETOHS
802# define PERL_NEED_MY_HTOLEI
803# define PERL_NEED_MY_LETOHI
804# define PERL_NEED_MY_HTOBEI
805# define PERL_NEED_MY_BETOHI
806# define PERL_NEED_MY_HTOLEL
807# define PERL_NEED_MY_LETOHL
808# define PERL_NEED_MY_HTOBEL
809# define PERL_NEED_MY_BETOHL
810/*----------------------------------------------------------------------------*/
811# endif /* end of byte-order macros */
812/*----------------------------------------------------------------------------*/
813
9c17f24a
NC		 814/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
815 at least on FreeBSD. YMMV, so experiment. */
816#ifndef PERL_ARENA_SIZE
817#define PERL_ARENA_SIZE 4080
818#endif
819
1109a392
MHM		 820#endif /* PERL_CORE */
821
bdf3085f
NC		 822/* We no longer default to creating a new SV for GvSV.
823 Do this before embed. */
824#ifndef PERL_CREATE_GVSV
825#define PERL_DONT_CREATE_GVSV
826#endif
827
ca0c25f6
NC		 828#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
829#define PERL_USES_PL_PIDSTATUS
830#endif
831
a62746fa
RGS		 832#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
833#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
834#endif
835
66a93824
NIS		 836/* Cannot include embed.h here on Win32 as win32.h has not
837 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
838 */
96e176bf 839#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 840# include "embed.h"
841#endif
842
c31fac66
GS		 843#define MEM_SIZE Size_t
844
1936d2a7
NC		 845/* Round all values passed to malloc up, by default to a multiple of
846 sizeof(size_t)
847*/
848#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
849#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
850#endif
851
51371543
GS		 852#if defined(STANDARD_C) && defined(I_STDDEF)
853# include <stddef.h>
854# define STRUCT_OFFSET(s,m) offsetof(s,m)
855#else
856# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
857#endif
858
9969cdde 859#ifndef __SYMBIAN32__
27da23d5
JH		 860# if defined(I_STRING) || defined(__cplusplus)
861# include <string.h>
862# else
863# include <strings.h>
864# endif
51371543
GS		 865#endif
866
55497cff 867/* This comes after <stdlib.h> so we don't try to change the standard
868 * library prototypes; we'll use our own in proto.h instead. */
03a14243 869
4633a7c4 870#ifdef MYMALLOC
86058a2d 871# ifdef PERL_POLLUTE_MALLOC
ee13e175 872# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 873# define Perl_malloc malloc
874# define Perl_calloc calloc
875# define Perl_realloc realloc
876# define Perl_mfree free
ee13e175 877# endif
86058a2d
GS		 878# else
879# define EMBEDMYMALLOC /* for compatibility */
880# endif
827e134a 881
651b9576
GS		 882# define safemalloc Perl_malloc
883# define safecalloc Perl_calloc
884# define saferealloc Perl_realloc
885# define safefree Perl_mfree
22f7c9c9
JH		 886# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
887 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
888 code; \
889 } STMT_END
890# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
891 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
892# define panic_write2(s) write(2, s, strlen(s))
893# define CHECK_MALLOC_TAINT(newval) \
894 CHECK_MALLOC_TOO_LATE_FOR_( \
895 if (newval) { \
896 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
897 exit(1); })
22f7c9c9 898# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 899 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 900 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
901 }} STMT_END;
f2517201
GS		 902#else /* MYMALLOC */
903# define safemalloc safesysmalloc
904# define safecalloc safesyscalloc
905# define saferealloc safesysrealloc
906# define safefree safesysfree
22f7c9c9
JH		 907# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
908# define CHECK_MALLOC_TAINT(newval) ((void)0)
909# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 910#endif /* MYMALLOC */
4633a7c4 911
27da23d5 912#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
22f7c9c9
JH		 913#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
914#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
915#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
916
a0d0e21e
LW		 917#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
918#define strchr index
919#define strrchr rindex
920#endif
921
16d20bd9
AD		 922#ifdef I_MEMORY
923# include <memory.h>
924#endif
925
fe14fcc3 926#ifdef HAS_MEMCPY
85e6fe83 927# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 928# ifndef memcpy
20ce7b12 929 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 930# endif
931# endif
932#else
933# ifndef memcpy
934# ifdef HAS_BCOPY
935# define memcpy(d,s,l) bcopy(s,d,l)
936# else
937# define memcpy(d,s,l) my_bcopy(s,d,l)
938# endif
939# endif
940#endif /* HAS_MEMCPY */
fe14fcc3 941
ee0007ab 942#ifdef HAS_MEMSET
85e6fe83 943# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 944# ifndef memset
20ce7b12 945 extern char *memset (char*, int, int);
ee0007ab
LW		 946# endif
947# endif
ee0007ab 948#else
12ae5dfc 949# undef memset
fc36a67e 950# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 951#endif /* HAS_MEMSET */
952
85e6fe83 953#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 954# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 955# define memmove(d,s,l) bcopy(s,d,l)
956# else
2304df62 957# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 958# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 959# else
79072805 960# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 961# endif
352d5a3a 962# endif
d9d8d8de 963#endif
ee0007ab 964
36477c24 965#if defined(mips) && defined(ultrix) && !defined(__STDC__)
966# undef HAS_MEMCMP
967#endif
968
969#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 970# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 971# ifndef memcmp
20ce7b12 972 extern int memcmp (char*, char*, int);
ee0007ab
LW		 973# endif
974# endif
36477c24 975# ifdef BUGGY_MSC
7e4e8c89 976# pragma function(memcmp)
36477c24 977# endif
ee0007ab
LW		 978#else
979# ifndef memcmp
ecfc5424 980# define memcmp my_memcmp
352d5a3a 981# endif
36477c24 982#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 983
fc36a67e 984#ifndef memzero
c635e13b 985# ifdef HAS_MEMSET
986# define memzero(d,l) memset(d,0,l)
79072805 987# else
c635e13b 988# ifdef HAS_BZERO
989# define memzero(d,l) bzero(d,l)
79072805 990# else
fc36a67e 991# define memzero(d,l) my_bzero(d,l)
79072805
LW		 992# endif
993# endif
d9d8d8de 994#endif
378cc40b 995
2f42fcb0 996#ifndef PERL_MICRO
0f27ced1
JH		 997#ifndef memchr
998# ifndef HAS_MEMCHR
999# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
1000# endif
1001#endif
2f42fcb0 1002#endif
0f27ced1 1003
36477c24 1004#ifndef HAS_BCMP
1005# ifndef bcmp
1006# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1007# endif
36477c24 1008#endif /* !HAS_BCMP */
378cc40b 1009
ae986130 1010#ifdef I_NETINET_IN
79072805 1011# include <netinet/in.h>
ae986130
LW		 1012#endif
1013
28e8609d
JH		 1014#ifdef I_ARPA_INET
1015# include <arpa/inet.h>
1016#endif
1017
84902520
TB		 1018#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1019/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1020 * (the neo-BSD seem to do this). */
1021# undef SF_APPEND
1022#endif
1023
1aef975c 1024#ifdef I_SYS_STAT
84902520 1025# include <sys/stat.h>
1aef975c 1026#endif
79072805 1027
a0d0e21e
LW		 1028/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1029 like UTekV) are broken, sometimes giving false positives. Undefine
1030 them here and let the code below set them to proper values.
1031
1032 The ghs macro stands for GreenHills Software C-1.8.5 which
1033 is the C compiler for sysV88 and the various derivatives.
1034 This header file bug is corrected in gcc-2.5.8 and later versions.
1035 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1036
1037#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1038# undef S_ISDIR
1039# undef S_ISCHR
1040# undef S_ISBLK
1041# undef S_ISREG
1042# undef S_ISFIFO
1043# undef S_ISLNK
ee0007ab 1044#endif
135863df 1045
663a0e37
LW		 1046#ifdef I_TIME
1047# include <time.h>
ffed7fef 1048#endif
663a0e37 1049
fe14fcc3 1050#ifdef I_SYS_TIME
85e6fe83 1051# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1052# define KERNEL
1053# endif
1054# include <sys/time.h>
85e6fe83 1055# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1056# undef KERNEL
1057# endif
a687059c 1058#endif
135863df 1059
55497cff 1060#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1061# include <sys/times.h>
d9d8d8de 1062#endif
8d063cd8 1063
fe14fcc3 1064#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1065# undef HAS_STRERROR
663a0e37
LW		 1066#endif
1067
1068#include <errno.h>
1e743fda 1069
acfe0abc 1070#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1071# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1072#endif
1073
8cfab5ff
JH		 1074/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1075 * This is important for using IPv6.
1076 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1077 * a bad idea since it breaks send() and recv(). */
1078#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1079# define _SOCKADDR_LEN
1080#endif
1081
8d3f517a 1082#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1083# include <sys/socket.h>
1084# if defined(USE_SOCKS) && defined(I_SOCKS)
1085# if !defined(INCLUDE_PROTOTYPES)
1086# define INCLUDE_PROTOTYPES /* for <socks.h> */
1087# define PERL_SOCKS_NEED_PROTOTYPES
1088# endif
1089# include <socks.h>
1090# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1091# undef INCLUDE_PROTOTYPES
1092# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1093# endif
d460ef45 1094# endif
1e743fda 1095# ifdef I_NETDB
2986a63f
JH		 1096# ifdef NETWARE
1097# include<stdio.h>
1098# endif
1e743fda
JH		 1099# include <netdb.h>
1100# endif
1101# ifndef ENOTSOCK
1102# ifdef I_NET_ERRNO
1103# include <net/errno.h>
1104# endif
1105# endif
1106#endif
1107
fa0a29af 1108/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1109 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1110 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1111#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1112# if defined(__THROW) && defined(__GLIBC__)
1113int sockatmark(int) __THROW;
1114# else
2ef53570 1115int sockatmark(int);
29820b6d 1116# endif
2ef53570
JH		 1117#endif
1118
1e743fda
JH		 1119#ifdef SETERRNO
1120# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1121#endif
f86702cc 1122
1123#ifdef VMS
1124# define SETERRNO(errcode,vmserrcode) \
1125 STMT_START { \
1126 set_errno(errcode); \
1127 set_vaxc_errno(vmserrcode); \
1128 } STMT_END
93189314
JH		 1129# define LIB_INVARG LIB$_INVARG
1130# define RMS_DIR RMS$_DIR
1131# define RMS_FAC RMS$_FAC
1132# define RMS_FEX RMS$_FEX
1133# define RMS_FNF RMS$_FNF
1134# define RMS_IFI RMS$_IFI
1135# define RMS_ISI RMS$_ISI
1136# define RMS_PRV RMS$_PRV
1137# define SS_ACCVIO SS$_ACCVIO
1138# define SS_DEVOFFLINE SS$_DEVOFFLINE
1139# define SS_IVCHAN SS$_IVCHAN
1140# define SS_NORMAL SS$_NORMAL
748a9306 1141#else
aba27d88 1142# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1143# define LIB_INVARG 0
1144# define RMS_DIR 0
1145# define RMS_FAC 0
1146# define RMS_FEX 0
1147# define RMS_FNF 0
1148# define RMS_IFI 0
1149# define RMS_ISI 0
1150# define RMS_PRV 0
1151# define SS_ACCVIO 0
1152# define SS_DEVOFFLINE 0
1153# define SS_IVCHAN 0
1154# define SS_NORMAL 0
748a9306 1155#endif
ed6116ce 1156
3db8f154 1157#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1158/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1159#define DEFSV GvSVn(PL_defgv)
3db8f154 1160#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1161
98eae8f5
GS		 1162#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1163
55497cff 1164#ifndef errno
5ff3f7a4
GS		 1165 extern int errno; /* ANSI allows errno to be an lvalue expr.
1166 * For example in multithreaded environments
1167 * something like this might happen:
1168 * extern int *_errno(void);
1169 * #define errno (*_errno()) */
d9d8d8de 1170#endif
663a0e37 1171
2304df62 1172#ifdef HAS_STRERROR
a0d0e21e 1173# ifdef VMS
20ce7b12 1174 char *strerror (int,...);
a0d0e21e 1175# else
68dc0745 1176#ifndef DONT_DECLARE_STD
20ce7b12 1177 char *strerror (int);
68dc0745 1178#endif
a0d0e21e 1179# endif
2304df62
AD		 1180# ifndef Strerror
1181# define Strerror strerror
1182# endif
1183#else
1184# ifdef HAS_SYS_ERRLIST
79072805
LW		 1185 extern int sys_nerr;
1186 extern char *sys_errlist[];
2304df62
AD		 1187# ifndef Strerror
1188# define Strerror(e) \
79072805 1189 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1190# endif
79072805 1191# endif
35c8bce7 1192#endif
663a0e37 1193
2304df62 1194#ifdef I_SYS_IOCTL
79072805
LW		 1195# ifndef _IOCTL_
1196# include <sys/ioctl.h>
1197# endif
a687059c
LW		 1198#endif
1199
ee0007ab 1200#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1201# ifdef HAS_SOCKETPAIR
1202# undef HAS_SOCKETPAIR
1203# endif
2304df62
AD		 1204# ifdef I_NDBM
1205# undef I_NDBM
79072805 1206# endif
a687059c
LW		 1207#endif
1208
02fc2eee
NC		 1209#ifndef HAS_SOCKETPAIR
1210# ifdef HAS_SOCKET
1211# define socketpair Perl_my_socketpair
1212# endif
1213#endif
1214
a687059c 1215#if INTSIZE == 2
79072805
LW		 1216# define htoni htons
1217# define ntohi ntohs
a687059c 1218#else
79072805
LW		 1219# define htoni htonl
1220# define ntohi ntohl
a687059c
LW		 1221#endif
1222
a0d0e21e 1223/* Configure already sets Direntry_t */
35c8bce7 1224#if defined(I_DIRENT)
663a0e37 1225# include <dirent.h>
8f1f23e8
W		 1226 /* NeXT needs dirent + sys/dir.h */
1227# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1228# include <sys/dir.h>
1229# endif
ae986130 1230#else
fe14fcc3 1231# ifdef I_SYS_NDIR
79a0689e 1232# include <sys/ndir.h>
663a0e37 1233# else
fe14fcc3 1234# ifdef I_SYS_DIR
79a0689e
LW		 1235# ifdef hp9000s500
1236# include <ndir.h> /* may be wrong in the future */
1237# else
1238# include <sys/dir.h>
1239# endif
663a0e37
LW		 1240# endif
1241# endif
4633a7c4 1242#endif
a687059c 1243
12ae5dfc
JH		 1244#ifdef PERL_MICRO
1245# ifndef DIR
1246# define DIR void
1247# endif
1248#endif
1249
352d5a3a
LW		 1250#ifdef FPUTS_BOTCH
1251/* work around botch in SunOS 4.0.1 and 4.0.2 */
1252# ifndef fputs
79072805 1253# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1254# endif
1255#endif
1256
c623bd54
LW		 1257/*
1258 * The following gobbledygook brought to you on behalf of __STDC__.
1259 * (I could just use #ifndef __STDC__, but this is more bulletproof
1260 * in the face of half-implementations.)
1261 */
1262
7114a2d2 1263#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1264#include <sys/mode.h>
1265#endif
1266
c623bd54
LW		 1267#ifndef S_IFMT
1268# ifdef _S_IFMT
1269# define S_IFMT _S_IFMT
1270# else
1271# define S_IFMT 0170000
1272# endif
1273#endif
1274
1275#ifndef S_ISDIR
1276# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1277#endif
1278
1279#ifndef S_ISCHR
1280# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1281#endif
1282
1283#ifndef S_ISBLK
fe14fcc3
LW		 1284# ifdef S_IFBLK
1285# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1286# else
1287# define S_ISBLK(m) (0)
1288# endif
c623bd54
LW		 1289#endif
1290
1291#ifndef S_ISREG
1292# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1293#endif
1294
1295#ifndef S_ISFIFO
fe14fcc3
LW		 1296# ifdef S_IFIFO
1297# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1298# else
1299# define S_ISFIFO(m) (0)
1300# endif
c623bd54
LW		 1301#endif
1302
1303#ifndef S_ISLNK
1304# ifdef _S_ISLNK
1305# define S_ISLNK(m) _S_ISLNK(m)
1306# else
1307# ifdef _S_IFLNK
1308# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1309# else
1310# ifdef S_IFLNK
1311# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1312# else
1313# define S_ISLNK(m) (0)
1314# endif
1315# endif
1316# endif
1317#endif
1318
1319#ifndef S_ISSOCK
1320# ifdef _S_ISSOCK
1321# define S_ISSOCK(m) _S_ISSOCK(m)
1322# else
1323# ifdef _S_IFSOCK
1324# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1325# else
1326# ifdef S_IFSOCK
1327# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1328# else
1329# define S_ISSOCK(m) (0)
1330# endif
1331# endif
1332# endif
1333#endif
1334
1335#ifndef S_IRUSR
1336# ifdef S_IREAD
1337# define S_IRUSR S_IREAD
1338# define S_IWUSR S_IWRITE
1339# define S_IXUSR S_IEXEC
1340# else
1341# define S_IRUSR 0400
1342# define S_IWUSR 0200
1343# define S_IXUSR 0100
1344# endif
fac7cdfc
JS		 1345#endif
1346
1347#ifndef S_IRGRP
1348# ifdef S_IRUSR
1349# define S_IRGRP (S_IRUSR>>3)
1350# define S_IWGRP (S_IWUSR>>3)
1351# define S_IXGRP (S_IXUSR>>3)
1352# else
1353# define S_IRGRP 0040
1354# define S_IWGRP 0020
1355# define S_IXGRP 0010
1356# endif
1357#endif
1358
1359#ifndef S_IROTH
1360# ifdef S_IRUSR
1361# define S_IROTH (S_IRUSR>>6)
1362# define S_IWOTH (S_IWUSR>>6)
1363# define S_IXOTH (S_IXUSR>>6)
1364# else
1365# define S_IROTH 0040
1366# define S_IWOTH 0020
1367# define S_IXOTH 0010
1368# endif
c623bd54
LW		 1369#endif
1370
1371#ifndef S_ISUID
1372# define S_ISUID 04000
1373#endif
1374
1375#ifndef S_ISGID
1376# define S_ISGID 02000
1377#endif
1378
ca6e1c26
JH		 1379#ifndef S_IRWXU
1380# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1381#endif
ca6e1c26
JH		 1382
1383#ifndef S_IRWXG
1384# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1385#endif
ca6e1c26
JH		 1386
1387#ifndef S_IRWXO
1388# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1389#endif
ca6e1c26 1390
c21fb2b8
JH		 1391/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1392 * which would get included through <sys/file.h >, but that is 3000
1393 * lines in the future. --jhi */
1394
1395#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1396# define S_IREAD S_IRUSR
1397#endif
1398
c21fb2b8 1399#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1400# define S_IWRITE S_IWUSR
1401#endif
1402
1403#ifndef S_IEXEC
1404# define S_IEXEC S_IXUSR
1405#endif
1406
79072805
LW		 1407#ifdef ff_next
1408# undef ff_next
352d5a3a
LW		 1409#endif
1410
a0d0e21e 1411#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1412# define SLOPPYDIVIDE
1413#endif
1414
748a9306
LW		 1415#ifdef UV
1416#undef UV
1417#endif
1418
c89df6bf
JH		 1419#ifdef SPRINTF_E_BUG
1420# define sprintf UTS_sprintf_wrap
1421#endif
1422
ce582cee
NC		 1423/* For the times when you want the return value of sprintf, and you want it
1424 to be the length. Can't have a thread variable passed in, because C89 has
1425 no varargs macros.
1426*/
1427#ifdef SPRINTF_RETURNS_STRLEN
1428# define my_sprintf sprintf
1429#else
1430# define my_sprintf Perl_my_sprintf
1431#endif
1432
c495e728
JH		 1433/* Configure gets this right but the UTS compiler gets it wrong.
1434 -- Hal Morris <hom00@utsglobal.com> */
1435#ifdef UTS
1436# undef UVTYPE
1437# define UVTYPE unsigned
1438#endif
1439
05f13f53 1440/*
27d4fb96 1441 The IV type is supposed to be long enough to hold any integral
1442 value or a pointer.
1443 --Andy Dougherty August 1996
1444*/
1445
a22e52b9
JH		 1446typedef IVTYPE IV;
1447typedef UVTYPE UV;
8175356b 1448
10cc9d2a 1449#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1450# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1451# define IV_MAX INT64_MAX
1452# define IV_MIN INT64_MIN
1453# define UV_MAX UINT64_MAX
cae7ae48
JH		 1454# ifndef UINT64_MIN
1455# define UINT64_MIN 0
1456# endif
5ff3f7a4
GS		 1457# define UV_MIN UINT64_MIN
1458# else
1459# define IV_MAX PERL_QUAD_MAX
1460# define IV_MIN PERL_QUAD_MIN
1461# define UV_MAX PERL_UQUAD_MAX
1462# define UV_MIN PERL_UQUAD_MIN
1463# endif
cf2093f6
JH		 1464# define IV_IS_QUAD
1465# define UV_IS_QUAD
79072805 1466#else
8175356b 1467# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1468# define IV_MAX INT32_MAX
1469# define IV_MIN INT32_MIN
716026f9
DL		 1470# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1471# define UV_MAX UINT32_MAX
1472# else
1473# define UV_MAX 4294967295U
1474# endif
cae7ae48
JH		 1475# ifndef UINT32_MIN
1476# define UINT32_MIN 0
1477# endif
5ff3f7a4
GS		 1478# define UV_MIN UINT32_MIN
1479# else
1480# define IV_MAX PERL_LONG_MAX
1481# define IV_MIN PERL_LONG_MIN
1482# define UV_MAX PERL_ULONG_MAX
1483# define UV_MIN PERL_ULONG_MIN
1484# endif
8175356b 1485# if IVSIZE == 8
cf2093f6
JH		 1486# define IV_IS_QUAD
1487# define UV_IS_QUAD
de1c2614
JH		 1488# ifndef HAS_QUAD
1489# define HAS_QUAD
1490# endif
cf2093f6
JH		 1491# else
1492# undef IV_IS_QUAD
1493# undef UV_IS_QUAD
de1c2614 1494# undef HAS_QUAD
cf2093f6 1495# endif
79072805 1496#endif
d7d93a81 1497
1109a392
MHM		 1498#ifndef HAS_QUAD
1499# undef PERL_NEED_MY_HTOLE64
1500# undef PERL_NEED_MY_LETOH64
1501# undef PERL_NEED_MY_HTOBE64
1502# undef PERL_NEED_MY_BETOH64
1503#endif
1504
6cde8aec 1505#if defined(uts) || defined(UTS)
11afe549
HM		 1506# undef UV_MAX
1507# define UV_MAX (4294967295u)
20601011
JH		 1508#endif
1509
cae7ae48 1510#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1511#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1512
28e5dec8 1513#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1514#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1515#endif
1516
d460ef45 1517/*
26bb67e2
JH		 1518 * The macros INT2PTR and NUM2PTR are (despite their names)
1519 * bi-directional: they will convert int/float to or from pointers.
1520 * However the conversion to int/float are named explicitly:
1521 * PTR2IV, PTR2UV, PTR2NV.
1522 *
1523 * For int conversions we do not need two casts if pointers are
1524 * the same size as IV and UV. Otherwise we need an explicit
1525 * cast (PTRV) to avoid compiler warnings.
1526 */
56431972
RB		 1527#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1528# define PTRV UV
1529# define INT2PTR(any,d) (any)(d)
1530#else
d460ef45 1531# if PTRSIZE == LONGSIZE
56431972 1532# define PTRV unsigned long
e91e3b10 1533# define PTR2ul(p) (unsigned long)(p)
42718184 1534# else
56431972 1535# define PTRV unsigned
42718184 1536# endif
e91e3b10
RB		 1537#endif
1538
1539#ifndef INT2PTR
56431972 1540# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1541#endif
e91e3b10
RB		 1542
1543#ifndef PTR2ul
1544# define PTR2ul(p) INT2PTR(unsigned long,p)
1545#endif
1546
56431972
RB		 1547#define NUM2PTR(any,d) (any)(PTRV)(d)
1548#define PTR2IV(p) INT2PTR(IV,p)
1549#define PTR2UV(p) INT2PTR(UV,p)
1550#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1551#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1552
8141890a
JH		 1553/* According to strict ANSI C89 one cannot freely cast between
1554 * data pointers and function (code) pointers. There are at least
1555 * two ways around this. One (used below) is to do two casts,
1556 * first the other pointer to an (unsigned) integer, and then
1557 * the integer to the other pointer. The other way would be
1558 * to use unions to "overlay" the pointers. For an example of
1559 * the latter technique, see union dirpu in struct xpvio in sv.h.
1560 * The only feasible use is probably temporarily storing
1561 * function pointers in a data pointer (such as a void pointer). */
1562
e91e3b10
RB		 1563#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1564#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1565
65202027 1566#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1567# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1568# define LONG_DOUBLE_EQUALS_DOUBLE
1569# endif
68d4903c 1570# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1571# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1572# endif
1573#endif
1574
2d4389e4
JH		 1575#ifdef OVR_DBL_DIG
1576/* Use an overridden DBL_DIG */
1577# ifdef DBL_DIG
1578# undef DBL_DIG
1579# endif
1580# define DBL_DIG OVR_DBL_DIG
1581#else
1582/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1583 default value for printing floating point numbers in Gconvert
1584 (see config.h). (It also has other uses, such as figuring out if
1585 a given precision of printing can be done with a double instead of
1586 a long double - Allen).
2d4389e4
JH		 1587*/
1588#ifdef I_LIMITS
1589#include <limits.h>
1590#endif
1591#ifdef I_FLOAT
1592#include <float.h>
1593#endif
1594#ifndef HAS_DBL_DIG
1595#define DBL_DIG 15 /* A guess that works lots of places */
1596#endif
1597#endif
cbca01e1
JH		 1598#ifdef I_FLOAT
1599#include <float.h>
1600#endif
1601#ifndef HAS_DBL_DIG
1602#define DBL_DIG 15 /* A guess that works lots of places */
1603#endif
2d4389e4
JH		 1604
1605#ifdef OVR_LDBL_DIG
1606/* Use an overridden LDBL_DIG */
1607# ifdef LDBL_DIG
1608# undef LDBL_DIG
1609# endif
1610# define LDBL_DIG OVR_LDBL_DIG
1611#else
1612/* The following is all to get LDBL_DIG, in order to pick a nice
1613 default value for printing floating point numbers in Gconvert.
1614 (see config.h)
1615*/
68d4903c
JH		 1616# ifdef I_LIMITS
1617# include <limits.h>
1618# endif
1619# ifdef I_FLOAT
1620# include <float.h>
1621# endif
1622# ifndef HAS_LDBL_DIG
1623# if LONG_DOUBLESIZE == 10
1624# define LDBL_DIG 18 /* assume IEEE */
1625# else
1626# if LONG_DOUBLESIZE == 12
1627# define LDBL_DIG 18 /* gcc? */
1628# else
1629# if LONG_DOUBLESIZE == 16
1630# define LDBL_DIG 33 /* assume IEEE */
1631# else
1632# if LONG_DOUBLESIZE == DOUBLESIZE
1633# define LDBL_DIG DBL_DIG /* bummer */
1634# endif
1635# endif
1636# endif
1637# endif
1638# endif
2d4389e4
JH		 1639#endif
1640
20f6aaab
AS		 1641/*
1642 * This is for making sure we have a good DBL_MAX value, if possible,
1643 * either for usage as NV_MAX or for usage in figuring out if we can
1644 * fit a given long double into a double, if bug-fixing makes it
1645 * necessary to do so. - Allen <allens@cpan.org>
1646 */
1647
205f51d8
AS		 1648#ifdef I_LIMITS
1649# include <limits.h>
20f6aaab
AS		 1650#endif
1651
205f51d8
AS		 1652#ifdef I_VALUES
1653# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1654# include <values.h>
1655# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1656# define DBL_MAX MAXDOUBLE
1657# endif
1658# if defined(MINDOUBLE) && !defined(DBL_MIN)
1659# define DBL_MIN MINDOUBLE
1660# endif
1661# endif
1662#endif /* defined(I_VALUES) */
1663
a22e52b9 1664typedef NVTYPE NV;
8175356b 1665
792d8dab
JH		 1666#ifdef I_IEEEFP
1667# include <ieeefp.h>
1668#endif
923fc586 1669
65202027 1670#ifdef USE_LONG_DOUBLE
923fc586
JH		 1671# ifdef I_SUNMATH
1672# include <sunmath.h>
1673# endif
2d4389e4 1674# define NV_DIG LDBL_DIG
d6c14000
JH		 1675# ifdef LDBL_MANT_DIG
1676# define NV_MANT_DIG LDBL_MANT_DIG
1677# endif
06fc1729
JH		 1678# ifdef LDBL_MIN
1679# define NV_MIN LDBL_MIN
1680# endif
1681# ifdef LDBL_MAX
1682# define NV_MAX LDBL_MAX
1683# endif
1684# ifdef LDBL_MIN_10_EXP
1685# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1686# endif
1687# ifdef LDBL_MAX_10_EXP
1688# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1689# endif
1690# ifdef LDBL_EPSILON
1691# define NV_EPSILON LDBL_EPSILON
1692# endif
f4a14a62
JH		 1693# ifdef LDBL_MAX
1694# define NV_MAX LDBL_MAX
20f6aaab 1695/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1696# else
1697# ifdef HUGE_VALL
1698# define NV_MAX HUGE_VALL
1699# else
1700# ifdef HUGE_VAL
1701# define NV_MAX ((NV)HUGE_VAL)
1702# endif
1703# endif
1704# endif
68d4903c 1705# ifdef HAS_SQRTL
68d4903c
JH		 1706# define Perl_cos cosl
1707# define Perl_sin sinl
1708# define Perl_sqrt sqrtl
1709# define Perl_exp expl
1710# define Perl_log logl
1711# define Perl_atan2 atan2l
1712# define Perl_pow powl
1713# define Perl_floor floorl
1bbae031 1714# define Perl_ceil ceill
68d4903c
JH		 1715# define Perl_fmod fmodl
1716# endif
a3540c92
JH		 1717/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1718# ifdef HAS_MODFL
1719# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1720/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1721 prototype in <math.h> */
1722# ifndef HAS_MODFL_PROTO
a221a8a5 1723EXTERN_C long double modfl(long double, long double *);
51997bc3 1724# endif
03476e8e
JH		 1725# else
1726# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1727 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1728# define Perl_modf(x,y) Perl_my_modfl(x,y)
1729# endif
a3540c92
JH		 1730# endif
1731# ifdef HAS_FREXPL
dff3e0b8 1732# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1733# else
1734# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1735 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1736# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1737# endif
a3540c92 1738# endif
38dbb4c5 1739# ifndef Perl_isnan
758a5d79
JH		 1740# ifdef HAS_ISNANL
1741# define Perl_isnan(x) isnanl(x)
1742# endif
1743# endif
1744# ifndef Perl_isinf
1745# ifdef HAS_FINITEL
1746# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1747# endif
1748# endif
65202027 1749#else
2d4389e4 1750# define NV_DIG DBL_DIG
d6c14000
JH		 1751# ifdef DBL_MANT_DIG
1752# define NV_MANT_DIG DBL_MANT_DIG
1753# endif
06fc1729
JH		 1754# ifdef DBL_MIN
1755# define NV_MIN DBL_MIN
1756# endif
1757# ifdef DBL_MAX
1758# define NV_MAX DBL_MAX
1759# endif
1760# ifdef DBL_MIN_10_EXP
1761# define NV_MIN_10_EXP DBL_MIN_10_EXP
1762# endif
1763# ifdef DBL_MAX_10_EXP
1764# define NV_MAX_10_EXP DBL_MAX_10_EXP
1765# endif
1766# ifdef DBL_EPSILON
1767# define NV_EPSILON DBL_EPSILON
1768# endif
205f51d8 1769# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1770# define NV_MAX DBL_MAX
1771# define NV_MIN DBL_MIN
1772# else
1773# ifdef HUGE_VAL
1774# define NV_MAX HUGE_VAL
1775# endif
1776# endif
65202027
DS		 1777# define Perl_cos cos
1778# define Perl_sin sin
1779# define Perl_sqrt sqrt
1780# define Perl_exp exp
1781# define Perl_log log
1782# define Perl_atan2 atan2
1783# define Perl_pow pow
1784# define Perl_floor floor
1bbae031 1785# define Perl_ceil ceil
65202027 1786# define Perl_fmod fmod
a3540c92 1787# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1788# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1789#endif
1790
1791/* rumor has it that Win32 has _fpclass() */
1792
205f51d8
AS		 1793/* SGI has fpclassl... but not with the same result values,
1794 * and it's via a typedef (not via #define), so will need to redo Configure
1795 * to use. Not worth the trouble, IMO, at least until the below is used
1796 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1797 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1798 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1799
758a5d79
JH		 1800#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1801# ifdef I_IEEFP
1802# include <ieeefp.h>
1803# endif
1804# ifdef I_FP
1805# include <fp.h>
1806# endif
1807# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1808# define Perl_fp_class() fpclassl(x)
1809# else
1810# define Perl_fp_class() fpclass(x)
1811# endif
1812# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1813# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1814# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1815# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1816# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1817# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1818# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1819# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1820# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1821# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1822# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1823# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1824# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1825# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1826# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1827#endif
1828
7114a2d2 1829#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1830# include <math.h>
1831# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1832# include <fp_class.h>
1833# endif
1834# define Perl_fp_class(x) fp_class(x)
1835# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1836# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1837# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1838# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1839# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1840# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1841# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1842# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1843# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1844# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1845# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1846# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1847# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1848# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1849# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1850#endif
1851
1852#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1853# include <math.h>
1854# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1855# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1856# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1857# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1858# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1859# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1860#endif
1861
1862#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1863# include <math.h>
1864# ifndef _cplusplus
1865# define Perl_fp_class(x) class(x)
1866# else
1867# define Perl_fp_class(x) _class(x)
1868# endif
1869# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1870# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1871# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1872# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1873# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1874# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1875# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1876# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1877# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1878# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1879# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1880# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1881# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1882# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1883# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1884#endif
1885
1886/* rumor has it that Win32 has _isnan() */
1887
1888#ifndef Perl_isnan
a3540c92 1889# ifdef HAS_ISNAN
758a5d79
JH		 1890# define Perl_isnan(x) isnan((NV)x)
1891# else
1892# ifdef Perl_fp_class_nan
1893# define Perl_isnan(x) Perl_fp_class_nan(x)
1894# else
1895# ifdef HAS_UNORDERED
1896# define Perl_isnan(x) unordered((x), 0.0)
1897# else
1898# define Perl_isnan(x) ((x)!=(x))
1899# endif
1900# endif
1901# endif
1902#endif
1903
ca6c63e1
JH		 1904#ifdef UNDER_CE
1905int isnan(double d);
1906#endif
1907
758a5d79
JH		 1908#ifndef Perl_isinf
1909# ifdef HAS_ISINF
1910# define Perl_isinf(x) isinf((NV)x)
a3540c92 1911# else
758a5d79
JH		 1912# ifdef Perl_fp_class_inf
1913# define Perl_isinf(x) Perl_fp_class_inf(x)
1914# else
1915# define Perl_isinf(x) ((x)==NV_INF)
1916# endif
1917# endif
1918#endif
1919
1920#ifndef Perl_isfinite
1921# ifdef HAS_FINITE
1922# define Perl_isfinite(x) finite((NV)x)
1923# else
1924# ifdef HAS_ISFINITE
1925# define Perl_isfinite(x) isfinite(x)
1926# else
1927# ifdef Perl_fp_class_finite
1928# define Perl_isfinite(x) Perl_fp_class_finite(x)
1929# else
1930# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1931# endif
1932# endif
a3540c92 1933# endif
65202027
DS		 1934#endif
1935
a36244b7
JH		 1936/* The default is to use Perl's own atof() implementation (in numeric.c).
1937 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1938 * it is however best to use the native implementation of atof.
1939 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1940 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1941 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1942 * you may need to be using a different function than atof! */
a36244b7
JH		 1943
1944#ifndef USE_PERL_ATOF
1945# ifndef _UNICOS
1946# define USE_PERL_ATOF
1947# endif
1948#else
1949# if USE_PERL_ATOF == 0
1950# undef USE_PERL_ATOF
1951# endif
1952#endif
1953
1954#ifdef USE_PERL_ATOF
1955# define Perl_atof(s) Perl_my_atof(s)
1956# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1957#else
1958# define Perl_atof(s) (NV)atof(s)
1959# define Perl_atof2(s, n) ((n) = atof(s))
1960#endif
cf2093f6 1961
d460ef45 1962/* Previously these definitions used hardcoded figures.
760ac839
LW		 1963 * It is hoped these formula are more portable, although
1964 * no data one way or another is presently known to me.
1965 * The "PERL_" names are used because these calculated constants
1966 * do not meet the ANSI requirements for LONG_MAX, etc., which
1967 * need to be constants acceptable to #if - kja
1968 * define PERL_LONG_MAX 2147483647L
1969 * define PERL_LONG_MIN (-LONG_MAX - 1)
1970 * define PERL ULONG_MAX 4294967295L
1971 */
1972
1973#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1974# include <limits.h>
760ac839 1975#endif
205f51d8
AS		 1976/* Included values.h above if necessary; still including limits.h down here,
1977 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1978
99abf803 1979/*
1980 * Try to figure out max and min values for the integral types. THE CORRECT
1981 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1982 * following hacks are used if neither limits.h or values.h provide them:
1983 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1984 * for types < int: (unsigned TYPE)~(unsigned)0
1985 * The argument to ~ must be unsigned so that later signed->unsigned
1986 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1987 * and it must not be smaller than int because ~ does integral promotion.
1988 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1989 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1990 * The latter is a hack which happens to work on some machines but
1991 * does *not* catch any random system, or things like integer types
1992 * with NaN if that is possible.
1993 *
1994 * All of the types are explicitly cast to prevent accidental loss of
1995 * numeric range, and in the hope that they will be less likely to confuse
1996 * over-eager optimizers.
1997 *
1998 */
27d4fb96 1999
99abf803 2000#define PERL_UCHAR_MIN ((unsigned char)0)
2001
2002#ifdef UCHAR_MAX
2003# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 2004#else
99abf803 2005# ifdef MAXUCHAR
2006# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2007# else
99abf803 2008# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2009# endif
2010#endif
d460ef45 2011
99abf803 2012/*
2013 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2014 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2015 * depending on local options. Until Configure detects this (or at least
2016 * detects whether the "signed" keyword is available) the CHAR ranges
2017 * will not be included. UCHAR functions normally.
2018 * - kja
2019 */
27d4fb96 2020
99abf803 2021#define PERL_USHORT_MIN ((unsigned short)0)
2022
2023#ifdef USHORT_MAX
2024# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2025#else
99abf803 2026# ifdef MAXUSHORT
2027# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2028# else
ef2f54b0
CB		 2029# ifdef USHRT_MAX
2030# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2031# else
2032# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2033# endif
27d4fb96 2034# endif
2035#endif
2036
27d4fb96 2037#ifdef SHORT_MAX
99abf803 2038# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2039#else
2040# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2041# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2042# else
ef2f54b0
CB		 2043# ifdef SHRT_MAX
2044# define PERL_SHORT_MAX ((short)SHRT_MAX)
2045# else
2046# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2047# endif
27d4fb96 2048# endif
2049#endif
2050
2051#ifdef SHORT_MIN
99abf803 2052# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2053#else
2054# ifdef MINSHORT
99abf803 2055# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2056# else
ef2f54b0
CB		 2057# ifdef SHRT_MIN
2058# define PERL_SHORT_MIN ((short)SHRT_MIN)
2059# else
2060# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2061# endif
27d4fb96 2062# endif
2063#endif
2064
99abf803 2065#ifdef UINT_MAX
2066# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2067#else
99abf803 2068# ifdef MAXUINT
2069# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2070# else
99abf803 2071# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2072# endif
2073#endif
2074
99abf803 2075#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2076
2077#ifdef INT_MAX
99abf803 2078# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2079#else
2080# ifdef MAXINT /* Often used in <values.h> */
99abf803 2081# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2082# else
99abf803 2083# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2084# endif
2085#endif
2086
2087#ifdef INT_MIN
99abf803 2088# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2089#else
2090# ifdef MININT
99abf803 2091# define PERL_INT_MIN ((int)MININT)
27d4fb96 2092# else
2093# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2094# endif
2095#endif
2096
99abf803 2097#ifdef ULONG_MAX
2098# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2099#else
99abf803 2100# ifdef MAXULONG
2101# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2102# else
99abf803 2103# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2104# endif
2105#endif
2106
99abf803 2107#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2108
760ac839 2109#ifdef LONG_MAX
99abf803 2110# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2111#else
2112# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2113# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2114# else
99abf803 2115# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2116# endif
2117#endif
2118
2119#ifdef LONG_MIN
99abf803 2120# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2121#else
2122# ifdef MINLONG
99abf803 2123# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2124# else
27d4fb96 2125# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2126# endif
2127#endif
2128
d7d93a81 2129#ifdef UV_IS_QUAD
99abf803 2130
99abf803 2131# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2132# define PERL_UQUAD_MIN ((UV)0)
99abf803 2133# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2134# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2135
79072805
LW		 2136#endif
2137
22f7c9c9
JH		 2138#ifdef MYMALLOC
2139# include "malloc_ctl.h"
2140#endif
2141
830247a4 2142struct RExC_state_t;
880b20b6 2143
ee0007ab 2144typedef MEM_SIZE STRLEN;
450a55e4 2145
79072805
LW		 2146typedef struct op OP;
2147typedef struct cop COP;
2148typedef struct unop UNOP;
2149typedef struct binop BINOP;
2150typedef struct listop LISTOP;
2151typedef struct logop LOGOP;
79072805
LW		 2152typedef struct pmop PMOP;
2153typedef struct svop SVOP;
7934575e 2154typedef struct padop PADOP;
79072805 2155typedef struct pvop PVOP;
79072805
LW		 2156typedef struct loop LOOP;
2157
cd1541b2
NC		 2158typedef struct interpreter PerlInterpreter;
2159
d2b3f365
SS		 2160/* Amdahl's <ksync.h> has struct sv */
2161/* SGI's <sys/sema.h> has struct sv */
2162#if defined(UTS) || defined(__sgi)
2163# define STRUCT_SV perl_sv
b8d3c5db
JH		 2164#else
2165# define STRUCT_SV sv
2166#endif
2167typedef struct STRUCT_SV SV;
79072805
LW		 2168typedef struct av AV;
2169typedef struct hv HV;
2170typedef struct cv CV;
378cc40b 2171typedef struct regexp REGEXP;
79072805 2172typedef struct gp GP;
0c30d9ec 2173typedef struct gv GV;
8990e307 2174typedef struct io IO;
c09156bb 2175typedef struct context PERL_CONTEXT;
79072805
LW		 2176typedef struct block BLOCK;
2177
2178typedef struct magic MAGIC;
2179typedef struct xpv XPV;
2180typedef struct xpviv XPVIV;
ff68c719 2181typedef struct xpvuv XPVUV;
79072805
LW		 2182typedef struct xpvnv XPVNV;
2183typedef struct xpvmg XPVMG;
2184typedef struct xpvlv XPVLV;
2185typedef struct xpvav XPVAV;
2186typedef struct xpvhv XPVHV;
2187typedef struct xpvgv XPVGV;
2188typedef struct xpvcv XPVCV;
2189typedef struct xpvbm XPVBM;
2190typedef struct xpvfm XPVFM;
8990e307 2191typedef struct xpvio XPVIO;
79072805
LW		 2192typedef struct mgvtbl MGVTBL;
2193typedef union any ANY;
5f7fde29
GS		 2194typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2195typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2196typedef struct clone_params CLONE_PARAMS;
2197
378cc40b 2198#include "handy.h"
a0d0e21e 2199
6b8eaf93 2200#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2201# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2202# define USE_64_BIT_RAWIO /* implicit */
2203# endif
4564133c
JH		 2204#endif
2205
6b8eaf93
JH		 2206/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2207 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2208 * however, because operating systems like to do that themself. */
2209#ifndef FSEEKSIZE
2210# ifdef HAS_FSEEKO
2211# define FSEEKSIZE LSEEKSIZE
2212# else
2213# define FSEEKSIZE LONGSIZE
d460ef45 2214# endif
6b8eaf93
JH		 2215#endif
2216
2217#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2218# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2219# define USE_64_BIT_STDIO /* implicit */
2220# endif
2221#endif
4564133c 2222
09458382 2223#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2224# ifdef HAS_OFF64_T
2225# undef Off_t
2226# define Off_t off64_t
2227# undef LSEEKSIZE
2228# define LSEEKSIZE 8
5ff3f7a4 2229# endif
d9b3e12d
JH		 2230/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2231 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2232 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2233# if defined(USE_OPEN64)
2234# define open open64
5ff3f7a4 2235# endif
d9b3e12d
JH		 2236# if defined(USE_LSEEK64)
2237# define lseek lseek64
6b8eaf93
JH		 2238# else
2239# if defined(USE_LLSEEK)
2240# define lseek llseek
2241# endif
d9b3e12d
JH		 2242# endif
2243# if defined(USE_STAT64)
2244# define stat stat64
2245# endif
2246# if defined(USE_FSTAT64)
2247# define fstat fstat64
2248# endif
2249# if defined(USE_LSTAT64)
2250# define lstat lstat64
2251# endif
2252# if defined(USE_FLOCK64)
2253# define flock flock64
2254# endif
2255# if defined(USE_LOCKF64)
2256# define lockf lockf64
2257# endif
2258# if defined(USE_FCNTL64)
2259# define fcntl fcntl64
2260# endif
2261# if defined(USE_TRUNCATE64)
2262# define truncate truncate64
2263# endif
2264# if defined(USE_FTRUNCATE64)
2265# define ftruncate ftruncate64
2266# endif
2267#endif
2268
2269#ifdef USE_64_BIT_STDIO
2270# ifdef HAS_FPOS64_T
2271# undef Fpos_t
2272# define Fpos_t fpos64_t
2273# endif
2274/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2275 * will trigger defines like the ones below. Some 64-bit environments,
2276 * however, do not. */
2277# if defined(USE_FOPEN64)
2278# define fopen fopen64
2279# endif
2280# if defined(USE_FSEEK64)
6b8eaf93 2281# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2282# endif
2283# if defined(USE_FTELL64)
6b8eaf93 2284# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2285# endif
2286# if defined(USE_FSETPOS64)
2287# define fsetpos fsetpos64
2288# endif
2289# if defined(USE_FGETPOS64)
2290# define fgetpos fgetpos64
2291# endif
2292# if defined(USE_TMPFILE64)
2293# define tmpfile tmpfile64
2294# endif
2295# if defined(USE_FREOPEN64)
2296# define freopen freopen64
5ff3f7a4
GS		 2297# endif
2298#endif
2299
af8b425d 2300#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2301# include "iperlsys.h"
2302#endif
2303
6f71a643 2304#if defined(__OPEN_VM)
19848b3f
JH		 2305# include "vmesa/vmesaish.h"
2306# define ISHISH "vmesa"
6f71a643
JH		 2307#endif
2308
748a9306 2309#ifdef DOSISH
19848b3f
JH		 2310# if defined(OS2)
2311# include "os2ish.h"
2312# else
2313# include "dosish.h"
2314# endif
2315# define ISHISH "dos"
2316#endif
2317
2318#if defined(VMS)
748a9306 2319# include "vmsish.h"
96e176bf 2320# include "embed.h"
19848b3f
JH		 2321# define ISHISH "vms"
2322#endif
2323
2324#if defined(PLAN9)
2325# include "./plan9/plan9ish.h"
2326# define ISHISH "plan9"
2327#endif
2328
2329#if defined(MPE)
2330# include "mpeix/mpeixish.h"
2331# define ISHISH "mpeix"
2332#endif
2333
2334#if defined(__VOS__)
196918b0
PG		 2335# ifdef __GNUC__
2336# include "./vos/vosish.h"
2337# else
2338# include "vos/vosish.h"
2339# endif
19848b3f
JH		 2340# define ISHISH "vos"
2341#endif
2342
2343#if defined(EPOC)
2344# include "epocish.h"
2345# define ISHISH "epoc"
2346#endif
2347
9969cdde 2348#ifdef __SYMBIAN32__
27da23d5
JH		 2349# include "symbian/symbianish.h"
2350# include "embed.h"
2351# define ISHISH "symbian"
2352#endif
2353
19848b3f
JH		 2354#if defined(MACOS_TRADITIONAL)
2355# include "macos/macish.h"
2356# ifndef NO_ENVIRON_ARRAY
2357# define NO_ENVIRON_ARRAY
0c30d9ec 2358# endif
19848b3f
JH		 2359# define ISHISH "macos classic"
2360#endif
2361
efca5cc6
JH		 2362#if defined(__BEOS__)
2363# include "beos/beosish.h"
2364# define ISHISH "beos"
2365#endif
2366
19848b3f
JH		 2367#ifndef ISHISH
2368# include "unixish.h"
2369# define ISHISH "unix"
13b6e58c
JH		 2370#endif
2371
2946a158
JH		 2372/* NSIG logic from Configure --> */
2373/* Strange style to avoid deeply-nested #if/#else/#endif */
2374#ifndef NSIG
2375# ifdef _NSIG
2376# define NSIG (_NSIG)
2377# endif
2378#endif
2379
2380#ifndef NSIG
2381# ifdef SIGMAX
2382# define NSIG (SIGMAX+1)
2383# endif
2384#endif
2385
2386#ifndef NSIG
2387# ifdef SIG_MAX
2388# define NSIG (SIG_MAX+1)
2389# endif
2390#endif
2391
2392#ifndef NSIG
2393# ifdef _SIG_MAX
2394# define NSIG (_SIG_MAX+1)
2395# endif
2396#endif
2397
2398#ifndef NSIG
2399# ifdef MAXSIG
2400# define NSIG (MAXSIG+1)
2401# endif
2402#endif
2403
2404#ifndef NSIG
2405# ifdef MAX_SIG
2406# define NSIG (MAX_SIG+1)
2407# endif
2408#endif
2409
2410#ifndef NSIG
2411# ifdef SIGARRAYSIZE
2412# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2413# endif
2414#endif
2415
2416#ifndef NSIG
2417# ifdef _sys_nsig
2418# define NSIG (_sys_nsig) /* Solaris 2.5 */
2419# endif
2420#endif
2421
2422/* Default to some arbitrary number that's big enough to get most
2423 of the common signals.
2424*/
2425#ifndef NSIG
2426# define NSIG 50
2427#endif
2428/* <-- NSIG logic from Configure */
2429
13b6e58c
JH		 2430#ifndef NO_ENVIRON_ARRAY
2431# define USE_ENVIRON_ARRAY
2432#endif
32f822de 2433
c77b533b
JH		 2434/*
2435 * initialise to avoid floating-point exceptions from overflow, etc
2436 */
2437#ifndef PERL_FPU_INIT
2438# ifdef HAS_FPSETMASK
2439# if HAS_FLOATINGPOINT_H
2440# include <floatingpoint.h>
2441# endif
2442# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2443# else
2f42fcb0 2444# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2445# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2446# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2447# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2448# else
2449# define PERL_FPU_INIT
2f42fcb0 2450
7014c407 2451# endif
c77b533b
JH		 2452# endif
2453#endif
b35112e7
CS		 2454#ifndef PERL_FPU_PRE_EXEC
2455# define PERL_FPU_PRE_EXEC {
2456# define PERL_FPU_POST_EXEC }
2457#endif
c77b533b 2458
ed344e4f
IZ		 2459#ifndef PERL_SYS_INIT3
2460# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2461#endif
2462
be708cc0
JH		 2463#ifndef PERL_WRITE_MSG_TO_CONSOLE
2464# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2465#endif
2466
0f31cffe
GS		 2467#ifndef MAXPATHLEN
2468# ifdef PATH_MAX
b990c8b2
JH		 2469# ifdef _POSIX_PATH_MAX
2470# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2471/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2472 * included the null byte or not. Later amendments of POSIX,
2473 * XPG4, the Austin Group, and the Single UNIX Specification
2474 * all explicitly include the null byte in the PATH_MAX.
2475 * Ditto for _POSIX_PATH_MAX. */
2476# define MAXPATHLEN PATH_MAX
b990c8b2 2477# else
09448d78 2478# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2479# endif
2480# else
2481# define MAXPATHLEN (PATH_MAX+1)
2482# endif
0f31cffe 2483# else
b990c8b2 2484# ifdef _POSIX_PATH_MAX
09448d78 2485# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2486# else
2487# define MAXPATHLEN 1024 /* Err on the large side. */
2488# endif
0f31cffe
GS		 2489# endif
2490#endif
2491
c80263a8
SH		 2492/* In case Configure was not used (we are using a "canned config"
2493 * such as Win32, or a cross-compilation setup, for example) try going
2494 * by the gcc major and minor versions. One useful URL is
2495 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2496 * but contrary to this information warn_unused_result seems
2497 * not to be in gcc 3.3.5, at least. --jhi
2498 * Set these up now otherwise we get confused when some of the <*thread.h>
2499 * includes below indirectly pull in <perlio.h> (which needs to know if we
2500 * have HASATTRIBUTE_FORMAT).
2501 */
2502
2503#if defined __GNUC__
2504# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2505# define HASATTRIBUTE_FORMAT
2506# endif
2507# if __GNUC__ >= 3 /* 3.0 -> */
2508# define HASATTRIBUTE_MALLOC
2509# endif
2510# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2511# define HASATTRIBUTE_NONNULL
2512# endif
2513# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2514# define HASATTRIBUTE_NORETURN
2515# endif
2516# if __GNUC__ >= 3 /* gcc 3.0 -> */
2517# define HASATTRIBUTE_PURE
2518# endif
2519# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2520# define HASATTRIBUTE_UNUSED
2521# endif
2522# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2523# define HASATTRIBUTE_WARN_UNUSED_RESULT
2524# endif
2525#endif
2526
3db8f154 2527/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2528 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2529 * this results in many functions being undeclared which bothers C++
2530 * May make sense to have threads after "*ish.h" anyway
2531 */
2532
3db8f154 2533#if defined(USE_ITHREADS)
2986a63f
JH		 2534# ifdef NETWARE
2535# include <nw5thread.h>
2536# else
32f822de
GS		 2537# ifdef FAKE_THREADS
2538# include "fakethr.h"
2539# else
2540# ifdef WIN32
2541# include <win32thread.h>
2542# else
dd96f567
IZ		 2543# ifdef OS2
2544# include "os2thread.h"
2545# else
7f3d1cf1 2546# ifdef I_MACH_CTHREADS
bdd66968 2547# include <mach/cthreads.h>
8f1f23e8 2548# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2549# define MUTEX_INIT_CALLS_MALLOC
2550# endif
7f3d1cf1
BH		 2551typedef cthread_t perl_os_thread;
2552typedef mutex_t perl_mutex;
2553typedef condition_t perl_cond;
2554typedef void * perl_key;
2555# else /* Posix threads */
1f5ae88c
JH		 2556# ifdef I_PTHREAD
2557# include <pthread.h>
2558# endif
7f3d1cf1
BH		 2559typedef pthread_t perl_os_thread;
2560typedef pthread_mutex_t perl_mutex;
2561typedef pthread_cond_t perl_cond;
2562typedef pthread_key_t perl_key;
2563# endif /* I_MACH_CTHREADS */
dd96f567 2564# endif /* OS2 */
32f822de
GS		 2565# endif /* WIN32 */
2566# endif /* FAKE_THREADS */
2986a63f 2567#endif /* NETWARE */
3db8f154 2568#endif /* USE_ITHREADS */
c5be433b 2569
66a93824 2570#if defined(WIN32)
1feb2720 2571# include "win32.h"
c5be433b
GS		 2572#endif
2573
2986a63f
JH		 2574#ifdef NETWARE
2575# include "netware.h"
2576#endif
2577
e5218da5 2578#define STATUS_UNIX PL_statusvalue
68dc0745 2579#ifdef VMS
6b88bc9c 2580# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2581/*
2582 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2583 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2584 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2585 * be updated also.
2586 */
2587# include <stsdef.h>
2588# include <ssdef.h>
2589/* Presume this because if VMS changes it, it will require a new
2590 * set of APIs for waiting on children for binary compatibility.
2591 */
2592# define child_offset_bits (8)
2593# ifndef C_FAC_POSIX
2594# define C_FAC_POSIX 0x35A000
2595# endif
2596
2597/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2598 * platform from the existing UNIX or Native status values.
2599 */
2600
37038d91 2601# define STATUS_EXIT \
7a7fd8e0
JM		 2602 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2603 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2604
7a7fd8e0 2605
fb38d079
JM		 2606/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2607 * exit code and shifts the UNIX value over the correct number of bits to
2608 * be a child status. Usually the number of bits is 8, but that could be
2609 * platform dependent. The NATIVE status code is presumed to have either
2610 * from a child process.
7a7fd8e0
JM		 2611 */
2612
fb38d079
JM		 2613/* This is complicated. The child processes return a true native VMS
2614 status which must be saved. But there is an assumption in Perl that
2615 the UNIX child status has some relationship to errno values, so
2616 Perl tries to translate it to text in some of the tests.
2617 In order to get the string translation correct, for the error, errno
2618 must be EVMSERR, but that generates a different text message
2619 than what the test programs are expecting. So an errno value must
2620 be derived from the native status value when an error occurs.
2621 That will hide the true native status message. With this version of
2622 perl, the true native child status can always be retrieved so that
2623 is not a problem. But in this case, Pl_statusvalue and errno may
2624 have different values in them.
2625 */
7a7fd8e0 2626
fb38d079 2627# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2628 STMT_START { \
2fbb330f
JM		 2629 I32 evalue = (I32)n; \
2630 if (evalue == EVMSERR) { \
2631 PL_statusvalue_vms = vaxc$errno; \
2632 PL_statusvalue = evalue; \
7a7fd8e0 2633 } else { \
2fbb330f 2634 PL_statusvalue_vms = evalue; \
fb38d079 2635 if (evalue == -1) { \
3280af22 2636 PL_statusvalue = -1; \
7a7fd8e0
JM		 2637 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2638 } else \
fb38d079 2639 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2640 set_vaxc_errno(evalue); \
fb38d079
JM		 2641 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2642 set_errno(EVMSERR); \
2643 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2644 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2645 } \
68dc0745 2646 } STMT_END
7a7fd8e0 2647
68dc0745 2648# ifdef VMSISH_STATUS
e5218da5 2649# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2650# else
e5218da5 2651# define STATUS_CURRENT STATUS_UNIX
68dc0745 2652# endif
7a7fd8e0
JM		 2653
2654 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2655 * the NATIVE status to an equivalent value. Can not be used to translate
2656 * exit code values as exit code values are not guaranteed to have any
2657 * relationship at all to errno values.
2658 * This is used when Perl is forcing errno to have a specific value.
2659 */
e5218da5 2660# define STATUS_UNIX_SET(n) \
68dc0745 2661 STMT_START { \
7a7fd8e0 2662 I32 evalue = (I32)n; \
0968cdad 2663 PL_statusvalue = evalue; \
3280af22 2664 if (PL_statusvalue != -1) { \
0968cdad
JM		 2665 if (PL_statusvalue != EVMSERR) { \
2666 PL_statusvalue &= 0xFFFF; \
2667 if (MY_POSIX_EXIT) \
2668 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2669 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2670 } \
2671 else { \
2672 PL_statusvalue_vms = vaxc$errno; \
2673 } \
68dc0745 2674 } \
0968cdad
JM		 2675 else PL_statusvalue_vms = SS$_ABORT; \
2676 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2677 } STMT_END
2678
2679 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2680 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2681 * the UNIX/POSIX exit codes have any relationship to errno, except
2682 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2683 * with the Perl VMS documentation, any other code sets the NATIVE
2684 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2685 *
2686 * In the new POSIX EXIT mode, native status will be set so that the
2687 * actual exit code will can be retrieved by the calling program or
2688 * shell.
2689 *
2690 * If the exit code is not clearly a UNIX parent or child exit status,
2691 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2692 */
2693
fb38d079 2694# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2695 STMT_START { \
2696 I32 evalue = (I32)n; \
2697 PL_statusvalue = evalue; \
fb38d079
JM		 2698 if (evalue != -1) { \
2699 if (evalue <= 0xFF00) { \
2700 if (evalue > 0xFF) \
2701 evalue = (evalue >> child_offset_bits) & 0xFF; \
2702 if (evalue == 0) \
2703 PL_statusvalue_vms == SS$_NORMAL; \
2704 else \
2705 if (MY_POSIX_EXIT) \
2706 PL_statusvalue_vms = \
2707 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2708 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2709 else \
6ac6a52b 2710 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2711 } else { /* forgive them Perl, for they have sinned */ \
2712 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2713 else PL_statusvalue_vms = vaxc$errno; \
2714 /* And obviously used a VMS status value instead of UNIX */ \
2715 PL_statusvalue = EVMSERR; \
2716 } \
7a7fd8e0
JM		 2717 } \
2718 else PL_statusvalue_vms = SS$_ABORT; \
2719 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2720 } STMT_END
fb38d079 2721
6ac6a52b
JM		 2722 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2723 * and sets the NATIVE error status based on it. This special case
2724 * is needed to maintain compatibility with past VMS behavior.
2725 *
2726 * In the default mode on VMS, this number is passed through as
2727 * both the NATIVE and UNIX status. Which makes it different
2728 * that the STATUS_UNIX_EXIT_SET.
2729 *
2730 * In the new POSIX EXIT mode, native status will be set so that the
2731 * actual exit code will can be retrieved by the calling program or
2732 * shell.
2733 *
2734 */
2735
2736# define STATUS_EXIT_SET(n) \
2737 STMT_START { \
2738 I32 evalue = (I32)n; \
2739 PL_statusvalue = evalue; \
2740 if (MY_POSIX_EXIT) \
2741 PL_statusvalue_vms = \
2742 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2743 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2744 else \
2745 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2746 set_vaxc_errno(PL_statusvalue_vms); \
2747 } STMT_END
2748
fb38d079
JM		 2749
2750 /* This macro forces a success status */
7a7fd8e0
JM		 2751# define STATUS_ALL_SUCCESS \
2752 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2753
2754 /* This macro forces a failure status */
7a7fd8e0
JM		 2755# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2756 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2757 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2758
68dc0745 2759#else
e5218da5 2760# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2761# if defined(WCOREDUMP)
37038d91 2762# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2763 STMT_START { \
2764 PL_statusvalue_posix = (n); \
2765 if (PL_statusvalue_posix == -1) \
2766 PL_statusvalue = -1; \
2767 else { \
2768 PL_statusvalue = \
2769 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2770 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2771 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2772 } \
2773 } STMT_END
2774# elif defined(WIFEXITED)
37038d91 2775# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2776 STMT_START { \
2777 PL_statusvalue_posix = (n); \
2778 if (PL_statusvalue_posix == -1) \
2779 PL_statusvalue = -1; \
2780 else { \
2781 PL_statusvalue = \
2782 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2783 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2784 } \
2785 } STMT_END
2786# else
37038d91 2787# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2788 STMT_START { \
2789 PL_statusvalue_posix = (n); \
2790 if (PL_statusvalue_posix == -1) \
2791 PL_statusvalue = -1; \
2792 else { \
2793 PL_statusvalue = \
2794 PL_statusvalue_posix & 0xFFFF; \
2795 } \
2796 } STMT_END
2797# endif
2798# define STATUS_UNIX_SET(n) \
68dc0745 2799 STMT_START { \
3280af22
NIS		 2800 PL_statusvalue = (n); \
2801 if (PL_statusvalue != -1) \
2802 PL_statusvalue &= 0xFFFF; \
68dc0745 2803 } STMT_END
7a7fd8e0 2804# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2805# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2806# define STATUS_CURRENT STATUS_UNIX
37038d91 2807# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2808# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2809# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2810#endif
2811
cc3604b1
GS		 2812/* flags in PL_exit_flags for nature of exit() */
2813#define PERL_EXIT_EXPECTED 0x01
31d77e54 2814#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2815
0b94c7bb 2816#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2817# define MEMBER_TO_FPTR(name) name
2818#endif
2819
2820/* format to use for version numbers in file/directory names */
273cf8d1 2821/* XXX move to Configure? */
a7cb1f99 2822#ifndef PERL_FS_VER_FMT
273cf8d1 2823# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2824#endif
2825
45bc9206 2826/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2827 * performance issue, so we allow people to disable it. Also, if
2828 * we are using stdio, there are broken implementations of fflush(NULL)
2829 * out there, Solaris being the most prominent.
45bc9206
GS		 2830 */
2831#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2832# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2833# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2834# else
2835# ifdef FFLUSH_ALL
2836# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2837# else
c5be433b 2838# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2839# endif
66fe083f 2840# endif
45bc9206
GS		 2841#endif
2842
7766f137
GS		 2843#ifndef PERL_WAIT_FOR_CHILDREN
2844# define PERL_WAIT_FOR_CHILDREN NOOP
2845#endif
2846
ba869deb 2847/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2848#ifndef PERL_SET_INTERP
2849# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2850#endif
2851
2852#ifndef PERL_GET_INTERP
2853# define PERL_GET_INTERP (PL_curinterp)
2854#endif
2855
54aff467 2856#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2857# ifdef MULTIPLICITY
ba869deb 2858# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2859# endif
ba869deb
GS		 2860# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2861#endif
2862
8896765a
RB		 2863/*
2864 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2865 All that is required is that the perl source does not
8896765a
RB		 2866 use "%-p" or "%-<number>p" or "%<number>p" formats.
2867 These formats will still work in perl code.
2868 See comments in sv.c for futher details.
2869
2870 -DvdNUMBER=<number> can be used to redefine VDf
2871
2872 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2873 which works properly but gives compiler warnings
2874
2875 Robin Barker 2005-07-14
0dbb1585 2876*/
8896765a
RB		 2877
2878#ifndef SVf_
63ce7bf0 2879# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2880#endif
2881
8896765a 2882#ifndef SVf
104abab4 2883# define SVf "-p"
d2560b70
RB		 2884#endif
2885
014ead4b 2886#ifndef SVf32
8896765a 2887# define SVf32 SVf_(32)
014ead4b
RB		 2888#endif
2889
2890#ifndef SVf256
8896765a
RB		 2891# define SVf256 SVf_(256)
2892#endif
2893
2894#ifndef vdNUMBER
2895# define vdNUMBER 1
2896#endif
2897
2898#ifndef VDf
2899# if vdNUMBER
63ce7bf0 2900# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2901# else
2902# define VDf "vd"
2903# endif
014ead4b
RB		 2904#endif
2905
2906#ifndef UVf
2907# define UVf UVuf
d2560b70
RB		 2908#endif
2909
0dbb1585
AL		 2910#ifdef HASATTRIBUTE_FORMAT
2911# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2912#endif
2913#ifdef HASATTRIBUTE_MALLOC
77785eea 2914# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2915#endif
0dbb1585 2916#ifdef HASATTRIBUTE_NONNULL
abb2c242 2917# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2918#endif
0dbb1585 2919#ifdef HASATTRIBUTE_NORETURN
abb2c242 2920# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2921#endif
0dbb1585 2922#ifdef HASATTRIBUTE_PURE
abb2c242 2923# define __attribute__pure__ __attribute__((pure))
f22be1b8 2924#endif
0dbb1585
AL		 2925#ifdef HASATTRIBUTE_UNUSED
2926# define __attribute__unused__ __attribute__((unused))
2927#endif
2928#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2929# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2930#endif
2931
0dbb1585
AL		 2932/* If we haven't defined the attributes yet, define them to blank. */
2933#ifndef __attribute__format__
2934# define __attribute__format__(x,y,z)
2935#endif
f22be1b8 2936#ifndef __attribute__malloc__
abb2c242 2937# define __attribute__malloc__
f22be1b8
JH		 2938#endif
2939#ifndef __attribute__nonnull__
abb2c242 2940# define __attribute__nonnull__(a)
f22be1b8
JH		 2941#endif
2942#ifndef __attribute__noreturn__
abb2c242 2943# define __attribute__noreturn__
f22be1b8
JH		 2944#endif
2945#ifndef __attribute__pure__
abb2c242 2946# define __attribute__pure__
f22be1b8 2947#endif
0dbb1585
AL		 2948#ifndef __attribute__unused__
2949# define __attribute__unused__
2950#endif
f22be1b8 2951#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2952# define __attribute__warn_unused_result__
2953#endif
2954
0dbb1585
AL		 2955/* For functions that are marked as __attribute__noreturn__, it's not
2956 appropriate to call return. In either case, include the lint directive.
2957 */
2958#ifdef HASATTRIBUTE_NORETURN
2959# define NORETURN_FUNCTION_END /* NOT REACHED */
2960#else
2961# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2962#endif
2963
3fc1aec6 2964/* Some unistd.h's give a prototype for pause() even though
2965 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2966 below to be rejected by the compiler. Sigh.
3fc1aec6 2967*/
2968#ifdef HAS_PAUSE
2969#define Pause pause
2970#else
2971#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2972#endif
2973
2974#ifndef IOCPARM_LEN
2975# ifdef IOCPARM_MASK
61f1c44b 2976 /* on BSDish systems we're safe */
748a9306
LW		 2977# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2978# else
61f1c44b
JVD		 2979# if defined(_IOC_SIZE) && defined(__GLIBC__)
2980 /* on Linux systems we're safe */
2981# define IOCPARM_LEN(x) _IOC_SIZE(x)
2982# else
748a9306 2983 /* otherwise guess at what's safe */
61f1c44b
JVD		 2984# define IOCPARM_LEN(x) 256
2985# endif
748a9306 2986# endif
a0d0e21e
LW		 2987#endif
2988
1761cee5 2989#if defined(__CYGWIN__)
521e0776
GS		 2990/* USEMYBINMODE
2991 * This symbol, if defined, indicates that the program should
16fe6d59 2992 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2993 * that a file is in "binary" mode -- that is, that no translation
2994 * of bytes occurs on read or write operations.
2995 */
36894f0b 2996# define USEMYBINMODE /**/
77a40698 2997# include <io.h> /* for setmode() prototype */
16fe6d59 2998# define my_binmode(fp, iotype, mode) \
77a40698 2999 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 3000#endif
3001
88d10794
JH		 3002#ifdef __CYGWIN__
3003void init_os_extras(void);
3004#endif
3005
cea2e8a9
GS		 3006#ifdef UNION_ANY_DEFINITION
3007UNION_ANY_DEFINITION;
3008#else
3009union any {
3010 void* any_ptr;
3011 I32 any_i32;
3012 IV any_iv;
3013 long any_long;
9febdf04 3014 bool any_bool;
c76ac1ee 3015 void (*any_dptr) (void*);
acfe0abc 3016 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3017};
3018#endif
3019
acfe0abc 3020typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3021
3022#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3023#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3024#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3025
c5078cac
JH		 3026#if defined(_AIX) && !defined(_AIX43)
3027#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3028/* We cannot include <crypt.h> to get the struct crypt_data
3029 * because of setkey prototype problems when threading */
3030typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3031 /* From OSF, Not needed in AIX
3032 char C[28], D[28];
3033 */
3034 char E[48];
3035 char KS[16][48];
3036 char block[66];
3037 char iobuf[16];
3038} CRYPTD;
3039#endif /* threading */
3040#endif /* AIX */
3041
af8b425d 3042#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3043# include "iperlsys.h"
3044#endif
504f80c1 3045
d10dc2ae
JH		 3046/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3047 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3048 * defined by Configure, despite their names being similar to the
3049 * other defines like USE_ITHREADS. Configure in fact knows nothing
3050 * about the randomised hashes. Therefore to enable/disable the hash
3051 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3052#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3053# define USE_HASH_SEED
504f80c1
JH		 3054#endif
3055
378cc40b 3056#include "regexp.h"
79072805 3057#include "sv.h"
378cc40b 3058#include "util.h"
8d063cd8 3059#include "form.h"
79072805 3060#include "gv.h"
dd2155a4 3061#include "pad.h"
79072805 3062#include "cv.h"
abdd5c84 3063#include "opnames.h"
79072805
LW		 3064#include "op.h"
3065#include "cop.h"
3066#include "av.h"
3067#include "hv.h"
3068#include "mg.h"
3069#include "scope.h"
4438c4b7 3070#include "warnings.h"
a0ed51b3 3071#include "utf8.h"
8d063cd8 3072
7fae4e64
GS		 3073/* Current curly descriptor */
3074typedef struct curcur CURCUR;
3075struct curcur {
3076 int parenfloor; /* how far back to strip paren data */
3077 int cur; /* how many instances of scan we've matched */
3078 int min; /* the minimal number of scans to match */
3079 int max; /* the maximal number of scans to match */
3080 int minmod; /* whether to work our way up or down */
3081 regnode * scan; /* the thing to match */
3082 regnode * next; /* what has to match after it */
3083 char * lastloc; /* where we started matching this scan */
3084 CURCUR * oldcc; /* current curly before we started this one */
3085};
3086
3087typedef struct _sublex_info SUBLEXINFO;
3088struct _sublex_info {
3089 I32 super_state; /* lexer state to save */
3090 I32 sub_inwhat; /* "lex_inwhat" to use */
3091 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3092 char *super_bufptr; /* PL_bufptr that was */
3093 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3094};
3095
455ece5e 3096typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3097
2c2d71f5 3098struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3099struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 3100
3101typedef I32 CHECKPOINT;
76e3520e 3102
6f51351d
NC		 3103/* Keep next first in this structure, because sv_free_arenas take
3104 advantage of this to share code between the pte arenas and the SV
3105 body arenas */
5f7fde29
GS		 3106struct ptr_tbl_ent {
3107 struct ptr_tbl_ent* next;
53c1dcc0 3108 const void* oldval;
5f7fde29 3109 void* newval;
d18c6117
GS		 3110};
3111
5f7fde29
GS		 3112struct ptr_tbl {
3113 struct ptr_tbl_ent** tbl_ary;
3114 UV tbl_max;
3115 UV tbl_items;
d18c6117
GS		 3116};
3117
450a55e4 3118#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3119# define I286
3120#endif
3121
fe14fcc3
LW		 3122#if defined(htonl) && !defined(HAS_HTONL)
3123#define HAS_HTONL
ae986130 3124#endif
fe14fcc3
LW		 3125#if defined(htons) && !defined(HAS_HTONS)
3126#define HAS_HTONS
ae986130 3127#endif
fe14fcc3
LW		 3128#if defined(ntohl) && !defined(HAS_NTOHL)
3129#define HAS_NTOHL
ae986130 3130#endif
fe14fcc3
LW		 3131#if defined(ntohs) && !defined(HAS_NTOHS)
3132#define HAS_NTOHS
ae986130 3133#endif
fe14fcc3 3134#ifndef HAS_HTONL
d9d8d8de 3135#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3136#define HAS_HTONS
3137#define HAS_HTONL
3138#define HAS_NTOHS
3139#define HAS_NTOHL
a687059c
LW		 3140#define MYSWAP
3141#define htons my_swap
3142#define htonl my_htonl
3143#define ntohs my_swap
3144#define ntohl my_ntohl
3145#endif
3146#else
d9d8d8de 3147#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3148#undef HAS_HTONS
3149#undef HAS_HTONL
3150#undef HAS_NTOHS
3151#undef HAS_NTOHL
a687059c
LW		 3152#endif
3153#endif
3154
988174c1
LW		 3155/*
3156 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3157 * -DWS
3158 */
3159#if BYTEORDER != 0x1234
3160# define HAS_VTOHL
3161# define HAS_VTOHS
3162# define HAS_HTOVL
3163# define HAS_HTOVS
c67712b2 3164# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3165# define vtohl(x) ((((x)&0xFF)<<24) \
3166 +(((x)>>24)&0xFF) \
3167 +(((x)&0x0000FF00)<<8) \
3168 +(((x)&0x00FF0000)>>8) )
3169# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3170# define htovl(x) vtohl(x)
3171# define htovs(x) vtohs(x)
3172# endif
3173 /* otherwise default to functions in util.c */
2a8c3029 3174#ifndef htovs
c623ac67
GS		 3175short htovs(short n);
3176short vtohs(short n);
3177long htovl(long n);
3178long vtohl(long n);
988174c1 3179#endif
2a8c3029 3180#endif
988174c1 3181
3bb7c1b4
JH		 3182/* *MAX Plus 1. A floating point value.
3183 Hopefully expressed in a way that dodgy floating point can't mess up.
3184 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3185 is added to it
3186 May find that some broken compiler will want the value cast to I32.
3187 [after the shift, as signed >> may not be as secure as unsigned >>]
3188*/
3189#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3190#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3191/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3192 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3193 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3194*/
3195#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3196
3bb7c1b4
JH		 3197#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3198#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3199#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3200
3201/* This may look like unnecessary jumping through hoops, but converting
3202 out of range floating point values to integers *is* undefined behaviour,
3203 and it is starting to bite.
3204*/
3205#ifndef CAST_INLINE
65202027 3206#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3207#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3208#define I_V(what) (cast_iv((NV)(what)))
3209#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3210#else
3211#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3212 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3213 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3214#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3215 : ((n) < U32_MAX_P1 ? (U32) (n) \
3216 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3217#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3218 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3219 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3220#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3221 : ((n) < UV_MAX_P1 ? (UV) (n) \
3222 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3223#endif
3224
3225#define U_S(what) ((U16)U_32(what))
3226#define U_I(what) ((unsigned int)U_32(what))
3227#define U_L(what) U_32(what)
ed6116ce 3228
2d4389e4
JH		 3229/* These do not care about the fractional part, only about the range. */
3230#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3231#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3232
25da4f38
IZ		 3233/* Used with UV/IV arguments: */
3234 /* XXXX: need to speed it up */
3235#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3236#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3237
352d5a3a
LW		 3238#ifndef MAXSYSFD
3239# define MAXSYSFD 2
3240#endif
ee0007ab 3241
79072805 3242#ifndef __cplusplus
27da23d5 3243#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3244Uid_t getuid (void);
3245Uid_t geteuid (void);
3246Gid_t getgid (void);
3247Gid_t getegid (void);
79072805 3248#endif
e1caacb4 3249#endif
8d063cd8 3250
0c30d9ec 3251#ifndef Perl_debug_log
bf49b057
GS		 3252# define Perl_debug_log PerlIO_stderr()
3253#endif
3254
3255#ifndef Perl_error_log
3256# define Perl_error_log (PL_stderrgv \
6b78add2 3257 && isGV(PL_stderrgv) \
01bb7c6d 3258 && GvIOp(PL_stderrgv) \
42de951c 3259 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3260 ? IoOFP(GvIOp(PL_stderrgv)) \
3261 : PerlIO_stderr())
0c30d9ec 3262#endif
3967c732 3263
aea4f609
DM		 3264
3265#define DEBUG_p_FLAG 0x00000001 /* 1 */
3266#define DEBUG_s_FLAG 0x00000002 /* 2 */
3267#define DEBUG_l_FLAG 0x00000004 /* 4 */
3268#define DEBUG_t_FLAG 0x00000008 /* 8 */
3269#define DEBUG_o_FLAG 0x00000010 /* 16 */
3270#define DEBUG_c_FLAG 0x00000020 /* 32 */
3271#define DEBUG_P_FLAG 0x00000040 /* 64 */
3272#define DEBUG_m_FLAG 0x00000080 /* 128 */
3273#define DEBUG_f_FLAG 0x00000100 /* 256 */
3274#define DEBUG_r_FLAG 0x00000200 /* 512 */
3275#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3276#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3277 /* spare */
aea4f609
DM		 3278#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3279#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3280#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3281#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3282#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3283#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3284#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3285#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3286#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3287#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3288#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3289#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3290
3291#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3292#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3293 that something was done? */
aea4f609 3294
bd16a5f0
IZ		 3295# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3296# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3297# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3298# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3299# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3300# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3301# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3302# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3303# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3304# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3305# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3306# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3307# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3308# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3309# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3310# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3311# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3312# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3313# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3314# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3315# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3316# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3317# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3318# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3319
3967c732 3320#ifdef DEBUGGING
aea4f609 3321
bd16a5f0
IZ		 3322# define DEBUG_p_TEST DEBUG_p_TEST_
3323# define DEBUG_s_TEST DEBUG_s_TEST_
3324# define DEBUG_l_TEST DEBUG_l_TEST_
3325# define DEBUG_t_TEST DEBUG_t_TEST_
3326# define DEBUG_o_TEST DEBUG_o_TEST_
3327# define DEBUG_c_TEST DEBUG_c_TEST_
3328# define DEBUG_P_TEST DEBUG_P_TEST_
3329# define DEBUG_m_TEST DEBUG_m_TEST_
3330# define DEBUG_f_TEST DEBUG_f_TEST_
3331# define DEBUG_r_TEST DEBUG_r_TEST_
3332# define DEBUG_x_TEST DEBUG_x_TEST_
3333# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3334# define DEBUG_H_TEST DEBUG_H_TEST_
3335# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3336# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3337# define DEBUG_D_TEST DEBUG_D_TEST_
3338# define DEBUG_S_TEST DEBUG_S_TEST_
3339# define DEBUG_T_TEST DEBUG_T_TEST_
3340# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3341# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3342# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3343# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3344# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3345# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3346
488b0c7a
JH		 3347# define PERL_DEB(a) a
3348# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3349# define DEBUG_p(a) if (DEBUG_p_TEST) a
3350# define DEBUG_s(a) if (DEBUG_s_TEST) a
3351# define DEBUG_l(a) if (DEBUG_l_TEST) a
3352# define DEBUG_t(a) if (DEBUG_t_TEST) a
3353# define DEBUG_o(a) if (DEBUG_o_TEST) a
3354# define DEBUG_c(a) if (DEBUG_c_TEST) a
3355# define DEBUG_P(a) if (DEBUG_P_TEST) a
3356
969058bb
VK		 3357 /* Temporarily turn off memory debugging in case the a
3358 * does memory allocation, either directly or indirectly. */
acfe0abc 3359# define DEBUG_m(a) \
0b250b9e 3360 STMT_START { \
aea4f609 3361 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3362 } STMT_END
aea4f609 3363
5f80b19c
AMS		 3364# define DEBUG__(t, a) \
3365 STMT_START { \
3366 if (t) STMT_START {a;} STMT_END; \
3367 } STMT_END
3368
3369# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3370# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3371# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3372# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3373# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3374# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3375# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3376# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3377
3db8f154 3378# define DEBUG_S(a)
aea4f609 3379
5f80b19c
AMS		 3380# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3381# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3382# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3383# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3384# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3385# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3386
3387#else /* DEBUGGING */
3388
3389# define DEBUG_p_TEST (0)
3390# define DEBUG_s_TEST (0)
3391# define DEBUG_l_TEST (0)
3392# define DEBUG_t_TEST (0)
3393# define DEBUG_o_TEST (0)
3394# define DEBUG_c_TEST (0)
3395# define DEBUG_P_TEST (0)
3396# define DEBUG_m_TEST (0)
3397# define DEBUG_f_TEST (0)
3398# define DEBUG_r_TEST (0)
3399# define DEBUG_x_TEST (0)
3400# define DEBUG_u_TEST (0)
aea4f609
DM		 3401# define DEBUG_H_TEST (0)
3402# define DEBUG_X_TEST (0)
dd2155a4 3403# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3404# define DEBUG_D_TEST (0)
3405# define DEBUG_S_TEST (0)
3406# define DEBUG_T_TEST (0)
04932ac8 3407# define DEBUG_R_TEST (0)
1045810a 3408# define DEBUG_J_TEST (0)
d6721266 3409# define DEBUG_v_TEST (0)
46187eeb 3410# define DEBUG_C_TEST (0)
ecae49c0
NC		 3411# define DEBUG_A_TEST (0)
3412# define DEBUG_q_TEST (0)
aea4f609 3413
488b0c7a
JH		 3414# define PERL_DEB(a)
3415# define PERL_DEBUG(a)
aea4f609
DM		 3416# define DEBUG_p(a)
3417# define DEBUG_s(a)
3418# define DEBUG_l(a)
3419# define DEBUG_t(a)
3420# define DEBUG_o(a)
3421# define DEBUG_c(a)
3422# define DEBUG_P(a)
3423# define DEBUG_m(a)
3424# define DEBUG_f(a)
3425# define DEBUG_r(a)
3426# define DEBUG_x(a)
3427# define DEBUG_u(a)
aea4f609
DM		 3428# define DEBUG_H(a)
3429# define DEBUG_X(a)
dd2155a4 3430# define DEBUG_Xv(a)
aea4f609
DM		 3431# define DEBUG_D(a)
3432# define DEBUG_S(a)
3433# define DEBUG_T(a)
04932ac8 3434# define DEBUG_R(a)
d6721266 3435# define DEBUG_v(a)
46187eeb 3436# define DEBUG_C(a)
ecae49c0
NC		 3437# define DEBUG_A(a)
3438# define DEBUG_q(a)
aea4f609
DM		 3439#endif /* DEBUGGING */
3440
3441
b4ab917c
DM		 3442#define DEBUG_SCOPE(where) \
3443 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3444 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3445
3446
3447
3448
d1be9408 3449/* These constants should be used in preference to raw characters
14befaf4
DM		 3450 * when using magic. Note that some perl guts still assume
3451 * certain character properties of these constants, namely that
3452 * isUPPER() and toLOWER() may do useful mappings.
3453 *
3454 * Update the magic_names table in dump.c when adding/amending these
3455 */
3456
3457#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3458#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3459#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3460#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3461#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3462#define PERL_MAGIC_regdata 'D' /* Regex match position data
3463 (@+ and @- vars) */
3464#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3465#define PERL_MAGIC_env 'E' /* %ENV hash */
3466#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3467#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3468#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3469#define PERL_MAGIC_isa 'I' /* @ISA array */
3470#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3471#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3472#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3473#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3474#define PERL_MAGIC_mutex 'm' /* for lock op */
3475#define PERL_MAGIC_shared 'N' /* Shared between threads */
3476#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3477#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3478#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3479#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3480#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3481#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3482#define PERL_MAGIC_sig 'S' /* %SIG hash */
3483#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3484#define PERL_MAGIC_taint 't' /* Taintedness */
3485#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3486#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3487#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3488#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3489#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3490#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3491#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3492 smart parameter vivification */
3493#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3494#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3495#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3496#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3497#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3498#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3499#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3500#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3501
3502
a6e633de 3503#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3504#define assert(what) PERL_DEB( \
3505 ((what) ? ((void) 0) : \
67eb4d30 3506 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3507 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3508 PerlProc_exit(1), \
3509 (void) 0)))
a446a88f 3510#endif
8d063cd8 3511
450a55e4 3512struct ufuncs {
24f81a43
DM		 3513 I32 (*uf_val)(pTHX_ IV, SV*);
3514 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3515 IV uf_index;
450a55e4
LW		 3516};
3517
14befaf4 3518/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3519 * XS code wanting to be backward compatible can do something
3520 * like the following:
c745e42c 3521
24f81a43 3522#ifndef PERL_MG_UFUNC
24f81a43
DM		 3523#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3524#endif
3525
3526static PERL_MG_UFUNC(foo_get, index, val)
3527{
3528 sv_setsv(val, ...);
3529 return TRUE;
3530}
3531
3532-- Doug MacEachern
3533
3534*/
3535
fc9c74e6 3536#ifndef PERL_MG_UFUNC
24f81a43 3537#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3538#endif
24f81a43 3539
fe14fcc3 3540/* Fix these up for __STDC__ */
68dc0745 3541#ifndef DONT_DECLARE_STD
20ce7b12 3542char *mktemp (char*);
37bd1396 3543#ifndef atof
20ce7b12 3544double atof (const char*);
a0d0e21e 3545#endif
37bd1396 3546#endif
79072805 3547
352d5a3a 3548#ifndef STANDARD_C
fe14fcc3 3549/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3550Time_t time();
8d063cd8 3551struct tm *gmtime(), *localtime();
092bebab 3552#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3553char *(strchr)(), *(strrchr)();
3554char *(strcpy)(), *(strcat)();
3555#else
93a17b20 3556char *strchr(), *strrchr();
378cc40b 3557char *strcpy(), *strcat();
9d116dd7 3558#endif
352d5a3a 3559#endif /* ! STANDARD_C */
8d063cd8 3560
79072805
LW		 3561
3562#ifdef I_MATH
3563# include <math.h>
3564#else
32f822de 3565START_EXTERN_C
20ce7b12
GS		 3566 double exp (double);
3567 double log (double);
3568 double log10 (double);
3569 double sqrt (double);
3570 double frexp (double,int*);
3571 double ldexp (double,int);
3572 double modf (double,double*);
3573 double sin (double);
3574 double cos (double);
3575 double atan2 (double,double);
3576 double pow (double,double);
32f822de 3577END_EXTERN_C
79072805
LW		 3578#endif
3579
aa8b85de
JH		 3580#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3581# define NV_INF LDBL_INFINITY
3582#endif
3583#if !defined(NV_INF) && defined(DBL_INFINITY)
3584# define NV_INF (NV)DBL_INFINITY
3585#endif
3586#if !defined(NV_INF) && defined(INFINITY)
3587# define NV_INF (NV)INFINITY
3588#endif
3589#if !defined(NV_INF) && defined(INF)
3590# define NV_INF (NV)INF
3591#endif
3592#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3593# define NV_INF (NV)HUGE_VALL
3594#endif
3595#if !defined(NV_INF) && defined(HUGE_VAL)
3596# define NV_INF (NV)HUGE_VAL
3597#endif
3598
3599#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3600# if !defined(NV_NAN) && defined(LDBL_NAN)
3601# define NV_NAN LDBL_NAN
3602# endif
3603# if !defined(NV_NAN) && defined(LDBL_QNAN)
3604# define NV_NAN LDBL_QNAN
3605# endif
3606# if !defined(NV_NAN) && defined(LDBL_SNAN)
3607# define NV_NAN LDBL_SNAN
3608# endif
3609#endif
3610#if !defined(NV_NAN) && defined(DBL_NAN)
3611# define NV_NAN (NV)DBL_NAN
3612#endif
3613#if !defined(NV_NAN) && defined(DBL_QNAN)
3614# define NV_NAN (NV)DBL_QNAN
3615#endif
3616#if !defined(NV_NAN) && defined(DBL_SNAN)
3617# define NV_NAN (NV)DBL_SNAN
3618#endif
3619#if !defined(NV_NAN) && defined(QNAN)
3620# define NV_NAN (NV)QNAN
3621#endif
3622#if !defined(NV_NAN) && defined(SNAN)
3623# define NV_NAN (NV)SNAN
3624#endif
3625#if !defined(NV_NAN) && defined(NAN)
3626# define NV_NAN (NV)NAN
3627#endif
3628
a0d0e21e 3629#ifndef __cplusplus
8f1f23e8 3630# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3631char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3632# else
fd8cd3a3 3633# if !defined(WIN32) && !defined(VMS)
10bc17b6 3634#ifndef crypt
20ce7b12 3635char *crypt (const char*, const char*);
10bc17b6 3636#endif
5014db98 3637# endif /* !WIN32 */
8f1f23e8 3638# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3639# ifndef DONT_DECLARE_STD
3640# ifndef getenv
20ce7b12 3641char *getenv (const char*);
26618a56 3642# endif /* !getenv */
28ca6303 3643# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3644# ifdef _FILE_OFFSET_BITS
28ca6303 3645# if _FILE_OFFSET_BITS == 64
20ce7b12 3646Off_t lseek (int,Off_t,int);
0fc67700
JH		 3647# endif
3648# endif
bf0c440f 3649# endif
26618a56 3650# endif /* !DONT_DECLARE_STD */
10bc17b6 3651#ifndef getlogin
20ce7b12 3652char *getlogin (void);
10bc17b6 3653#endif
26618a56 3654#endif /* !__cplusplus */
79072805 3655
7a7fd8e0
JM		 3656/* Fixme on VMS. This needs to be a run-time, not build time options */
3657/* Also rename() is affected by this */
16d20bd9 3658#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3659#define UNLINK unlnk
6e732051 3660I32 unlnk (const char*);
8d063cd8 3661#else
80252599 3662#define UNLINK PerlLIO_unlink
8d063cd8 3663#endif
a687059c 3664
fa0a29af
JH		 3665/* some versions of glibc are missing the setresuid() proto */
3666#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3667int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3668#endif
fa0a29af
JH		 3669/* some versions of glibc are missing the setresgid() proto */
3670#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3671int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3672#endif
3673
fe14fcc3 3674#ifndef HAS_SETREUID
85e6fe83
LW		 3675# ifdef HAS_SETRESUID
3676# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3677# define HAS_SETREUID
3678# endif
a687059c 3679#endif
fe14fcc3 3680#ifndef HAS_SETREGID
85e6fe83
LW		 3681# ifdef HAS_SETRESGID
3682# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3683# define HAS_SETREGID
3684# endif
a687059c 3685#endif
ee0007ab 3686
d543acb6 3687/* Sighandler_t defined in iperlsys.h */
ff68c719 3688
3689#ifdef HAS_SIGACTION
3690typedef struct sigaction Sigsave_t;
3691#else
3692typedef Sighandler_t Sigsave_t;
3693#endif
3694
ee0007ab
LW		 3695#define SCAN_DEF 0
3696#define SCAN_TR 1
3697#define SCAN_REPL 2
79072805
LW		 3698
3699#ifdef DEBUGGING
4633a7c4 3700# ifndef register
a0d0e21e
LW		 3701# define register
3702# endif
cea2e8a9 3703# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3704#else
cea2e8a9 3705# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3706#endif
3707
18f739ee 3708#ifdef MYMALLOC
772fe5b3 3709# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3710# define MALLOC_INIT \
3711 STMT_START { \
3712 PL_malloc_mutex = NULL; \
3713 MUTEX_INIT(&PL_malloc_mutex); \
3714 } STMT_END
3715# define MALLOC_TERM \
3716 STMT_START { \
3717 perl_mutex tmp = PL_malloc_mutex; \
3718 PL_malloc_mutex = NULL; \
3719 MUTEX_DESTROY(&tmp); \
3720 } STMT_END
3721# else
3722# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3723# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3724# endif
18f739ee
IZ		 3725#else
3726# define MALLOC_INIT
3727# define MALLOC_TERM
3728#endif
3729
cd1541b2
NC		 3730#if defined(PERL_IMPLICIT_CONTEXT)
3731struct perl_memory_debug_header {
3732 tTHX interpreter;
3733# ifdef PERL_POISON
3734 MEM_SIZE size;
3735 U8 in_use;
3736# endif
3737
3738#define PERL_POISON_INUSE 29
3739#define PERL_POISON_FREE 159
3740};
3741
3742# define sTHX (sizeof(struct perl_memory_debug_header) + \
3743 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3744 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3745
3746#endif
3747
b6d9d515 3748
0cb96387 3749typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3750typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3751typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3752typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3753
940cb80d 3754/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3755#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3756
8f1f23e8
W		 3757/* NeXT has problems with crt0.o globals */
3758#if defined(__DYNAMIC__) && \
6239f2da 3759 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3760# if defined(NeXT) || defined(__NeXT)
3761# include <mach-o/dyld.h>
3762# define environ (*environ_pointer)
0c30d9ec 3763EXT char *** environ_pointer;
8f1f23e8 3764# else
6239f2da 3765# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3766# include <crt_externs.h> /* for the env array */
3767# define environ (*_NSGetEnviron())
3768# endif
0c30d9ec 3769# endif
8f1f23e8
W		 3770#else
3771 /* VMS and some other platforms don't use the environ array */
13b6e58c 3772# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3773# if !defined(DONT_DECLARE_STD) || \
3774 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3775 defined(__sgi) || \
d460ef45 3776 defined(__DGUX)
8f1f23e8 3777extern char ** environ; /* environment variables supplied via exec */
a6c40364 3778# endif
8f1f23e8
W		 3779# endif
3780#endif
79072805 3781
73c4f7a1
GS		 3782START_EXTERN_C
3783
79072805 3784/* handy constants */
22c35a8c 3785EXTCONST char PL_warn_uninit[]
29489e7c 3786 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3787EXTCONST char PL_warn_nosemi[]
463ee0b2 3788 INIT("Semicolon seems to be missing");
22c35a8c 3789EXTCONST char PL_warn_reserved[]
463ee0b2 3790 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3791EXTCONST char PL_warn_nl[]
93a17b20 3792 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3793EXTCONST char PL_no_wrongref[]
a0d0e21e 3794 INIT("Can't use %s ref as %s ref");
22c35a8c 3795EXTCONST char PL_no_symref[]
748a9306 3796 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3797EXTCONST char PL_no_symref_sv[]
014ead4b 3798 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3799EXTCONST char PL_no_usym[]
8990e307 3800 INIT("Can't use an undefined value as %s reference");
22c35a8c 3801EXTCONST char PL_no_aelem[]
93a17b20 3802 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3803EXTCONST char PL_no_helem_sv[]
3804 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3805EXTCONST char PL_no_modify[]
93a17b20 3806 INIT("Modification of a read-only value attempted");
22c35a8c 3807EXTCONST char PL_no_mem[]
93a17b20 3808 INIT("Out of memory!\n");
22c35a8c 3809EXTCONST char PL_no_security[]
463ee0b2 3810 INIT("Insecure dependency in %s%s");
22c35a8c 3811EXTCONST char PL_no_sock_func[]
93a17b20 3812 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3813EXTCONST char PL_no_dir_func[]
93a17b20 3814 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3815EXTCONST char PL_no_func[]
93a17b20 3816 INIT("The %s function is unimplemented");
22c35a8c 3817EXTCONST char PL_no_myglob[]
748a9306 3818 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3819EXTCONST char PL_no_localize_ref[]
3820 INIT("Can't localize through a reference");
27d5b266
JH		 3821EXTCONST char PL_memory_wrap[]
3822 INIT("panic: memory wrap");
93a17b20 3823
7575fa06 3824EXTCONST char PL_uuemap[65]
80252599
GS		 3825 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3826
3827
79072805 3828#ifdef DOINIT
27da23d5
JH		 3829EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3830EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3831#else
27da23d5
JH		 3832EXTCONST char* const PL_sig_name[];
3833EXTCONST int PL_sig_num[];
79072805
LW		 3834#endif
3835
3bd709b1 3836/* fast conversion and case folding tables */
bbce6d69 3837
79072805 3838#ifdef DOINIT
9d116dd7 3839#ifdef EBCDIC
27da23d5 3840EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3841 0, 1, 2, 3, 4, 5, 6, 7,
3842 8, 9, 10, 11, 12, 13, 14, 15,
3843 16, 17, 18, 19, 20, 21, 22, 23,
3844 24, 25, 26, 27, 28, 29, 30, 31,
3845 32, 33, 34, 35, 36, 37, 38, 39,
3846 40, 41, 42, 43, 44, 45, 46, 47,
3847 48, 49, 50, 51, 52, 53, 54, 55,
3848 56, 57, 58, 59, 60, 61, 62, 63,
3849 64, 65, 66, 67, 68, 69, 70, 71,
3850 72, 73, 74, 75, 76, 77, 78, 79,
3851 80, 81, 82, 83, 84, 85, 86, 87,
3852 88, 89, 90, 91, 92, 93, 94, 95,
3853 96, 97, 98, 99, 100, 101, 102, 103,
3854 104, 105, 106, 107, 108, 109, 110, 111,
3855 112, 113, 114, 115, 116, 117, 118, 119,
3856 120, 121, 122, 123, 124, 125, 126, 127,
3857 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3858 'H', 'I', 138, 139, 140, 141, 142, 143,
3859 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3860 'Q', 'R', 154, 155, 156, 157, 158, 159,
3861 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3862 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3863 176, 177, 178, 179, 180, 181, 182, 183,
3864 184, 185, 186, 187, 188, 189, 190, 191,
3865 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3866 'h', 'i', 202, 203, 204, 205, 206, 207,
3867 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3868 'q', 'r', 218, 219, 220, 221, 222, 223,
3869 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3870 'y', 'z', 234, 235, 236, 237, 238, 239,
3871 240, 241, 242, 243, 244, 245, 246, 247,
3872 248, 249, 250, 251, 252, 253, 254, 255
3873};
3874#else /* ascii rather than ebcdic */
22c35a8c 3875EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3876 0, 1, 2, 3, 4, 5, 6, 7,
3877 8, 9, 10, 11, 12, 13, 14, 15,
3878 16, 17, 18, 19, 20, 21, 22, 23,
3879 24, 25, 26, 27, 28, 29, 30, 31,
3880 32, 33, 34, 35, 36, 37, 38, 39,
3881 40, 41, 42, 43, 44, 45, 46, 47,
3882 48, 49, 50, 51, 52, 53, 54, 55,
3883 56, 57, 58, 59, 60, 61, 62, 63,
3884 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3885 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3886 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3887 'x', 'y', 'z', 91, 92, 93, 94, 95,
3888 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3889 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3890 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3891 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3892 128, 129, 130, 131, 132, 133, 134, 135,
3893 136, 137, 138, 139, 140, 141, 142, 143,
3894 144, 145, 146, 147, 148, 149, 150, 151,
3895 152, 153, 154, 155, 156, 157, 158, 159,
3896 160, 161, 162, 163, 164, 165, 166, 167,
3897 168, 169, 170, 171, 172, 173, 174, 175,
3898 176, 177, 178, 179, 180, 181, 182, 183,
3899 184, 185, 186, 187, 188, 189, 190, 191,
3900 192, 193, 194, 195, 196, 197, 198, 199,
3901 200, 201, 202, 203, 204, 205, 206, 207,
3902 208, 209, 210, 211, 212, 213, 214, 215,
3903 216, 217, 218, 219, 220, 221, 222, 223,
3904 224, 225, 226, 227, 228, 229, 230, 231,
3905 232, 233, 234, 235, 236, 237, 238, 239,
3906 240, 241, 242, 243, 244, 245, 246, 247,
3907 248, 249, 250, 251, 252, 253, 254, 255
3908};
9d116dd7 3909#endif /* !EBCDIC */
79072805 3910#else
22c35a8c 3911EXTCONST unsigned char PL_fold[];
79072805
LW		 3912#endif
3913
27da23d5 3914#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3915#ifdef DOINIT
27da23d5 3916EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3917 0, 1, 2, 3, 4, 5, 6, 7,
3918 8, 9, 10, 11, 12, 13, 14, 15,
3919 16, 17, 18, 19, 20, 21, 22, 23,
3920 24, 25, 26, 27, 28, 29, 30, 31,
3921 32, 33, 34, 35, 36, 37, 38, 39,
3922 40, 41, 42, 43, 44, 45, 46, 47,
3923 48, 49, 50, 51, 52, 53, 54, 55,
3924 56, 57, 58, 59, 60, 61, 62, 63,
3925 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3926 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3927 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3928 'x', 'y', 'z', 91, 92, 93, 94, 95,
3929 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3930 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3931 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3932 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3933 128, 129, 130, 131, 132, 133, 134, 135,
3934 136, 137, 138, 139, 140, 141, 142, 143,
3935 144, 145, 146, 147, 148, 149, 150, 151,
3936 152, 153, 154, 155, 156, 157, 158, 159,
3937 160, 161, 162, 163, 164, 165, 166, 167,
3938 168, 169, 170, 171, 172, 173, 174, 175,
3939 176, 177, 178, 179, 180, 181, 182, 183,
3940 184, 185, 186, 187, 188, 189, 190, 191,
3941 192, 193, 194, 195, 196, 197, 198, 199,
3942 200, 201, 202, 203, 204, 205, 206, 207,
3943 208, 209, 210, 211, 212, 213, 214, 215,
3944 216, 217, 218, 219, 220, 221, 222, 223,
3945 224, 225, 226, 227, 228, 229, 230, 231,
3946 232, 233, 234, 235, 236, 237, 238, 239,
3947 240, 241, 242, 243, 244, 245, 246, 247,
3948 248, 249, 250, 251, 252, 253, 254, 255
3949};
3950#else
27da23d5 3951EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3952#endif
27da23d5 3953#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3954
3955#ifdef DOINIT
9d116dd7 3956#ifdef EBCDIC
27da23d5 3957EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3958 1, 2, 84, 151, 154, 155, 156, 157,
3959 165, 246, 250, 3, 158, 7, 18, 29,
3960 40, 51, 62, 73, 85, 96, 107, 118,
3961 129, 140, 147, 148, 149, 150, 152, 153,
3962 255, 6, 8, 9, 10, 11, 12, 13,
3963 14, 15, 24, 25, 26, 27, 28, 226,
3964 29, 30, 31, 32, 33, 43, 44, 45,
3965 46, 47, 48, 49, 50, 76, 77, 78,
3966 79, 80, 81, 82, 83, 84, 85, 86,
3967 87, 94, 95, 234, 181, 233, 187, 190,
3968 180, 96, 97, 98, 99, 100, 101, 102,
3969 104, 112, 182, 174, 236, 232, 229, 103,
3970 228, 226, 114, 115, 116, 117, 118, 119,
3971 120, 121, 122, 235, 176, 230, 194, 162,
3972 130, 131, 132, 133, 134, 135, 136, 137,
3973 138, 139, 201, 205, 163, 217, 220, 224,
3974 5, 248, 227, 244, 242, 255, 241, 231,
3975 240, 253, 16, 197, 19, 20, 21, 187,
3976 23, 169, 210, 245, 237, 249, 247, 239,
3977 168, 252, 34, 196, 36, 37, 38, 39,
3978 41, 42, 251, 254, 238, 223, 221, 213,
3979 225, 177, 52, 53, 54, 55, 56, 57,
3980 58, 59, 60, 61, 63, 64, 65, 66,
3981 67, 68, 69, 70, 71, 72, 74, 75,
3982 205, 208, 186, 202, 200, 218, 198, 179,
3983 178, 214, 88, 89, 90, 91, 92, 93,
3984 217, 166, 170, 207, 199, 209, 206, 204,
3985 160, 212, 105, 106, 108, 109, 110, 111,
3986 203, 113, 216, 215, 192, 175, 193, 243,
3987 172, 161, 123, 124, 125, 126, 127, 128,
3988 222, 219, 211, 195, 188, 193, 185, 184,
3989 191, 183, 141, 142, 143, 144, 145, 146
3990};
3991#else /* ascii rather than ebcdic */
22c35a8c 3992EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3993 1, 2, 84, 151, 154, 155, 156, 157,
3994 165, 246, 250, 3, 158, 7, 18, 29,
3995 40, 51, 62, 73, 85, 96, 107, 118,
3996 129, 140, 147, 148, 149, 150, 152, 153,
3997 255, 182, 224, 205, 174, 176, 180, 217,
3998 233, 232, 236, 187, 235, 228, 234, 226,
3999 222, 219, 211, 195, 188, 193, 185, 184,
4000 191, 183, 201, 229, 181, 220, 194, 162,
4001 163, 208, 186, 202, 200, 218, 198, 179,
4002 178, 214, 166, 170, 207, 199, 209, 206,
4003 204, 160, 212, 216, 215, 192, 175, 173,
4004 243, 172, 161, 190, 203, 189, 164, 230,
4005 167, 248, 227, 244, 242, 255, 241, 231,
4006 240, 253, 169, 210, 245, 237, 249, 247,
4007 239, 168, 252, 251, 254, 238, 223, 221,
4008 213, 225, 177, 197, 171, 196, 159, 4,
4009 5, 6, 8, 9, 10, 11, 12, 13,
4010 14, 15, 16, 17, 19, 20, 21, 22,
4011 23, 24, 25, 26, 27, 28, 30, 31,
4012 32, 33, 34, 35, 36, 37, 38, 39,
4013 41, 42, 43, 44, 45, 46, 47, 48,
4014 49, 50, 52, 53, 54, 55, 56, 57,
4015 58, 59, 60, 61, 63, 64, 65, 66,
4016 67, 68, 69, 70, 71, 72, 74, 75,
4017 76, 77, 78, 79, 80, 81, 82, 83,
4018 86, 87, 88, 89, 90, 91, 92, 93,
4019 94, 95, 97, 98, 99, 100, 101, 102,
4020 103, 104, 105, 106, 108, 109, 110, 111,
4021 112, 113, 114, 115, 116, 117, 119, 120,
4022 121, 122, 123, 124, 125, 126, 127, 128,
4023 130, 131, 132, 133, 134, 135, 136, 137,
4024 138, 139, 141, 142, 143, 144, 145, 146
4025};
9d116dd7 4026#endif
79072805 4027#else
22c35a8c 4028EXTCONST unsigned char PL_freq[];
79072805
LW		 4029#endif
4030
8990e307
LW		 4031#ifdef DEBUGGING
4032#ifdef DOINIT
27da23d5 4033EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4034 "NULL",
4035 "SUB",
4036 "EVAL",
4037 "LOOP",
4038 "SUBST",
4039 "BLOCK",
0d863452
RH		 4040 "FORMAT",
4041 "GIVEN",
4042 "WHEN"
8990e307
LW		 4043};
4044#else
22c35a8c 4045EXTCONST char* PL_block_type[];
8990e307
LW		 4046#endif
4047#endif
4048
73c4f7a1
GS		 4049END_EXTERN_C
4050
79072805
LW		 4051/*****************************************************************************/
4052/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4053/*****************************************************************************/
8990e307 4054/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4055
d4c3c482 4056#ifdef __Lynx__
9cffb111
OS		 4057/* LynxOS defines these in scsi.h which is included via ioctl.h */
4058#ifdef FORMAT
4059#undef FORMAT
4060#endif
4061#ifdef SPACE
4062#undef SPACE
4063#endif
d4c3c482 4064#endif
9cffb111 4065
1fd33325
MHM		 4066/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
4067 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
4068 * it's not really needed.
4069 */
4070#if defined(WIN32)
4071# define YYTOKENTYPE
4072#endif
a0d0e21e
LW		 4073#include "perly.h"
4074
fb73857a 4075#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4076
79072805
LW		 4077typedef enum {
4078 XOPERATOR,
4079 XTERM,
79072805 4080 XREF,
8990e307 4081 XSTATE,
a0d0e21e 4082 XBLOCK,
09bef843
SB		 4083 XATTRBLOCK,
4084 XATTRTERM,
6f33ba73
RGS		 4085 XTERMBLOCK,
4086 XTERMORDORDOR /* evil hack */
27308ded 4087 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4088} expectation;
4089
dc9e4912
GS		 4090enum { /* pass one of these to get_vtbl */
4091 want_vtbl_sv,
4092 want_vtbl_env,
4093 want_vtbl_envelem,
4094 want_vtbl_sig,
4095 want_vtbl_sigelem,
4096 want_vtbl_pack,
4097 want_vtbl_packelem,
4098 want_vtbl_dbline,
4099 want_vtbl_isa,
4100 want_vtbl_isaelem,
4101 want_vtbl_arylen,
4102 want_vtbl_glob,
4103 want_vtbl_mglob,
4104 want_vtbl_nkeys,
4105 want_vtbl_taint,
4106 want_vtbl_substr,
4107 want_vtbl_vec,
4108 want_vtbl_pos,
4109 want_vtbl_bm,
4110 want_vtbl_fm,
4111 want_vtbl_uvar,
4112 want_vtbl_defelem,
4113 want_vtbl_regexp,
4114 want_vtbl_collxfrm,
4115 want_vtbl_amagic,
4116 want_vtbl_amagicelem,
dc9e4912 4117 want_vtbl_regdata,
810b8aa5 4118 want_vtbl_regdatum,
7e8c5dac 4119 want_vtbl_backref,
8d2f4536 4120 want_vtbl_utf8,
83bf042f
NC		 4121 want_vtbl_symtab,
4122 want_vtbl_arylen_p
dc9e4912
GS		 4123};
4124
85e6fe83
LW		 4125 /* Note: the lowest 8 bits are reserved for
4126 stuffing into op->op_private */
f3aa04c2 4127#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 4128#define HINT_INTEGER 0x00000001 /* integer pragma */
4129#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4130#define HINT_LOCALE 0x00000004 /* locale pragma */
4131#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 4132/* #define HINT_notused10 0x00000010 */
a0ed51b3 4133 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4134 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4135
4136#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4137#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4138#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4139
9cfe5470 4140/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4141#define HINT_NEW_INTEGER 0x00001000
4142#define HINT_NEW_FLOAT 0x00002000
4143#define HINT_NEW_BINARY 0x00004000
4144#define HINT_NEW_STRING 0x00008000
4145#define HINT_NEW_RE 0x00010000
4146#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4147
9cfe5470
RGS		 4148#define HINT_RE_TAINT 0x00100000 /* re pragma */
4149#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4150
9cfe5470
RGS		 4151#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4152#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4153
8fa7688f 4154/* assertions pragma */
06492da6 4155#define HINT_ASSERTING 0x01000000
8fa7688f 4156#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 4157
9cfe5470 4158/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 4159#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4160#define HINT_SORT_QUICKSORT 0x00000001
4161#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4162#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4163
8bfdd7d9 4164/* Various states of the input record separator SV (rs) */
d4cce5f1 4165#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4166#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4167#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4168#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4169
128e8167 4170/* A struct for keeping various DEBUGGING related stuff,
ce333219 4171 * neatly packed. Currently only scratch variables for
128e8167
JH		 4172 * constructing debug output are included. Needed always,
4173 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4174struct perl_debug_pad {
4175 SV pad[3];
4176};
4177
4178#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4179#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4180 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4181 PERL_DEBUG_PAD(i))
ce333219 4182
56953603 4183/* Enable variables which are pointers to functions */
a2efc822 4184typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4185typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4186typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4187 char* strend, char* strbeg, I32 minend,
4188 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4189typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4190 char *strpos, char *strend,
4191 U32 flags,
4192 struct re_scream_pos_data_s *d);
4193typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4194typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 4195
c76ac1ee 4196typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4197typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4198typedef void (*SVFUNC_t) (pTHX_ SV*);
4199typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4200typedef void (*XSINIT_t) (pTHX);
4201typedef void (*ATEXIT_t) (pTHX_ void*);
4202typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4203
22239a37
NIS		 4204/* Set up PERLVAR macros for populating structs */
4205#define PERLVAR(var,type) type var;
51371543 4206#define PERLVARA(var,n,type) type var[n];
22239a37 4207#define PERLVARI(var,type,init) type var;
3fe35a81 4208#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4209#define PERLVARISC(var,init) const char var[sizeof(init)];
4210
4211typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4212typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4213
58a50f62
GS		 4214/* Interpreter exitlist entry */
4215typedef struct exitlistentry {
acfe0abc 4216 void (*fn) (pTHX_ void*);
58a50f62
GS		 4217 void *ptr;
4218} PerlExitListEntry;
4219
aadb217d
JH		 4220/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4221/* These have to be before perlvars.h */
4222#if !defined(HAS_SIGACTION) && defined(VMS)
4223# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4224#endif
4225/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4226#if defined(KILL_BY_SIGPRC)
4227# define FAKE_DEFAULT_SIGNAL_HANDLERS
4228#endif
4229
22239a37
NIS		 4230#ifdef PERL_GLOBAL_STRUCT
4231struct perl_vars {
7766f137 4232# include "perlvars.h"
22239a37
NIS		 4233};
4234
7766f137 4235# ifdef PERL_CORE
27da23d5 4236# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4237EXT struct perl_vars PL_Vars;
4238EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4239# undef PERL_GET_VARS
4240# define PERL_GET_VARS() PL_VarsPtr
4241# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4242# else /* PERL_CORE */
4243# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4244EXT
7766f137 4245# endif /* WIN32 */
533c011a 4246struct perl_vars *PL_VarsPtr;
7766f137
GS		 4247# define PL_Vars (*((PL_VarsPtr) \
4248 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4249# endif /* PERL_CORE */
22239a37
NIS		 4250#endif /* PERL_GLOBAL_STRUCT */
4251
acfe0abc 4252#if defined(MULTIPLICITY)
d460ef45 4253/* If we have multiple interpreters define a struct
d4cce5f1 4254 holding variables which must be per-interpreter
d460ef45 4255 If we don't have threads anything that would have
d4cce5f1
NIS		 4256 be per-thread is per-interpreter.
4257*/
4258
79072805 4259struct interpreter {
3db8f154 4260# include "thrdvar.h"
7766f137
GS		 4261# include "intrpvar.h"
4262/*
4263 * The following is a buffer where new variables must
acfe0abc 4264 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 4265 */
4266PERLVARA(object_compatibility,30, char)
49f531da 4267};
d4cce5f1 4268
79072805 4269#else
49f531da
NIS		 4270struct interpreter {
4271 char broiled;
4272};
acfe0abc 4273#endif /* MULTIPLICITY */
79072805 4274
22fae026 4275typedef void *Thread;
22239a37
NIS		 4276
4277/* Done with PERLVAR macros for now ... */
d4cce5f1 4278#undef PERLVAR
51371543 4279#undef PERLVARA
d4cce5f1 4280#undef PERLVARI
3fe35a81 4281#undef PERLVARIC
27da23d5 4282#undef PERLVARISC
79072805 4283
f7fe979e 4284struct tempsym; /* defined in pp_pack.c */
49704364 4285
22239a37 4286#include "thread.h"
79072805 4287#include "pp.h"
864dbfa3
GS		 4288
4289#ifndef PERL_CALLCONV
4290# define PERL_CALLCONV
d460ef45 4291#endif
0cb96387
GS		 4292#undef PERL_CKDEF
4293#undef PERL_PPDEF
0159f81b
JH		 4294#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4295#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4296
7766f137 4297#include "proto.h"
864dbfa3 4298
0cb96387 4299/* this has structure inits, so it cannot be included before here */
acfe0abc 4300#include "opcode.h"
864dbfa3 4301
d4cce5f1
NIS		 4302/* The following must follow proto.h as #defines mess up syntax */
4303
22c35a8c
GS		 4304#if !defined(PERL_FOR_X2P)
4305# include "embedvar.h"
4306#endif
d4cce5f1 4307
d460ef45 4308/* Now include all the 'global' variables
d4cce5f1 4309 * If we don't have threads or multiple interpreters
d460ef45 4310 * these include variables that would have been their struct-s
d4cce5f1 4311 */
d460ef45 4312
533c011a 4313#define PERLVAR(var,type) EXT type PL_##var;
51371543 4314#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4315#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4316#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4317#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4318
acfe0abc 4319#if !defined(MULTIPLICITY)
7766f137 4320START_EXTERN_C
066ef5b5 4321# include "intrpvar.h"
3db8f154 4322# include "thrdvar.h"
7766f137 4323END_EXTERN_C
22239a37
NIS		 4324#endif
4325
acfe0abc 4326#if defined(WIN32)
66a93824 4327/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4328# include "embed.h"
acfe0abc 4329#endif
22239a37 4330
c5be433b
GS		 4331#ifndef PERL_GLOBAL_STRUCT
4332START_EXTERN_C
4333
4334# include "perlvars.h"
4335
4336END_EXTERN_C
4337#endif
4338
d4cce5f1 4339#undef PERLVAR
51371543 4340#undef PERLVARA
d4cce5f1 4341#undef PERLVARI
0f3f18a6 4342#undef PERLVARIC
79072805 4343
73c4f7a1
GS		 4344START_EXTERN_C
4345
79072805 4346#ifdef DOINIT
27da23d5 4347# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {a,b,c,d,e,f,g}
2e2109e1 4348# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g} /* Like MGVTBL_SET but with the get magic having a const MG* */
4944113a 4349#else
27da23d5 4350# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
2e2109e1 4351# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
4944113a
AL		 4352#endif
4353
4354MGVTBL_SET(
4355 PL_vtbl_sv,
4356 MEMBER_TO_FPTR(Perl_magic_get),
4357 MEMBER_TO_FPTR(Perl_magic_set),
4358 MEMBER_TO_FPTR(Perl_magic_len),
4359 NULL,
4360 NULL,
4361 NULL,
4362 NULL
4363);
4364
4365MGVTBL_SET(
4366 PL_vtbl_env,
4367 NULL,
4368 MEMBER_TO_FPTR(Perl_magic_set_all_env),
4369 NULL,
4370 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4371 NULL,
4372 NULL,
4373 NULL
4374);
4375
4376MGVTBL_SET(
4377 PL_vtbl_envelem,
4378 NULL,
4379 MEMBER_TO_FPTR(Perl_magic_setenv),
4380 NULL,
4381 MEMBER_TO_FPTR(Perl_magic_clearenv),
4382 NULL,
4383 NULL,
4384 NULL
4385);
4386
4387MGVTBL_SET(
4388 PL_vtbl_sig,
4389 NULL,
4390 NULL,
4391 NULL,
4392 NULL,
4393 NULL,
4394 NULL,
4395 NULL
4396);
4397
9ba75e3c 4398#ifdef PERL_MICRO
4944113a
AL		 4399MGVTBL_SET(
4400 PL_vtbl_sigelem,
4944113a 4401 NULL, NULL, NULL, NULL, NULL, NULL, NULL
9ba75e3c
DD		 4402);
4403
64ca3a65 4404#else
9ba75e3c
DD		 4405MGVTBL_SET(
4406 PL_vtbl_sigelem,
4944113a
AL		 4407 MEMBER_TO_FPTR(Perl_magic_getsig),
4408 MEMBER_TO_FPTR(Perl_magic_setsig),
4409 NULL,
4410 MEMBER_TO_FPTR(Perl_magic_clearsig),
4411 NULL,
4412 NULL,
4413 NULL
4944113a 4414);
9ba75e3c 4415#endif
4944113a
AL		 4416
4417MGVTBL_SET(
4418 PL_vtbl_pack,
4419 NULL,
4420 NULL,
4421 MEMBER_TO_FPTR(Perl_magic_sizepack),
4422 MEMBER_TO_FPTR(Perl_magic_wipepack),
4423 NULL,
4424 NULL,
4425 NULL
4426);
4427
4428MGVTBL_SET(
4429 PL_vtbl_packelem,
4430 MEMBER_TO_FPTR(Perl_magic_getpack),
4431 MEMBER_TO_FPTR(Perl_magic_setpack),
4432 NULL,
4433 MEMBER_TO_FPTR(Perl_magic_clearpack),
4434 NULL,
4435 NULL,
4436 NULL
4437);
4438
4439MGVTBL_SET(
4440 PL_vtbl_dbline,
4441 NULL,
4442 MEMBER_TO_FPTR(Perl_magic_setdbline),
4443 NULL,
4444 NULL,
4445 NULL,
4446 NULL,
4447 NULL
4448);
4449
4450MGVTBL_SET(
4451 PL_vtbl_isa,
4452 NULL,
4453 MEMBER_TO_FPTR(Perl_magic_setisa),
4454 NULL,
4455 MEMBER_TO_FPTR(Perl_magic_setisa),
4456 NULL,
4457 NULL,
4458 NULL
4459);
4460
4461MGVTBL_SET(
4462 PL_vtbl_isaelem,
4463 NULL,
4464 MEMBER_TO_FPTR(Perl_magic_setisa),
4465 NULL,
4466 NULL,
4467 NULL,
4468 NULL,
4469 NULL
4470);
4471
2e2109e1 4472MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4473 PL_vtbl_arylen,
4474 MEMBER_TO_FPTR(Perl_magic_getarylen),
4475 MEMBER_TO_FPTR(Perl_magic_setarylen),
4476 NULL,
4477 NULL,
4478 NULL,
4479 NULL,
4480 NULL
4481);
4482
4483MGVTBL_SET(
83bf042f
NC		 4484 PL_vtbl_arylen_p,
4485 NULL,
4486 NULL,
4487 NULL,
4488 NULL,
4489 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
4490 NULL,
4491 NULL
4492);
4493
4494MGVTBL_SET(
4944113a
AL		 4495 PL_vtbl_glob,
4496 MEMBER_TO_FPTR(Perl_magic_getglob),
4497 MEMBER_TO_FPTR(Perl_magic_setglob),
4498 NULL,
4499 NULL,
4500 NULL,
4501 NULL,
4502 NULL
4503);
4504
4505MGVTBL_SET(
4506 PL_vtbl_mglob,
4507 NULL,
4508 MEMBER_TO_FPTR(Perl_magic_setmglob),
4509 NULL,
4510 NULL,
4511 NULL,
4512 NULL,
4513 NULL
4514);
4515
4516MGVTBL_SET(
4517 PL_vtbl_nkeys,
4518 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4519 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4520 NULL,
4521 NULL,
4522 NULL,
4523 NULL,
4524 NULL
4525);
4526
4527MGVTBL_SET(
4528 PL_vtbl_taint,
4529 MEMBER_TO_FPTR(Perl_magic_gettaint),
4530 MEMBER_TO_FPTR(Perl_magic_settaint),
4531 NULL,
4532 NULL,
4533 NULL,
4534 NULL,
4535 NULL
4536);
4537
4538MGVTBL_SET(
4539 PL_vtbl_substr,
4540 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4541 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4542 NULL,
4543 NULL,
4544 NULL,
4545 NULL,
4546 NULL
4547);
4548
4549MGVTBL_SET(
4550 PL_vtbl_vec,
4551 MEMBER_TO_FPTR(Perl_magic_getvec),
4552 MEMBER_TO_FPTR(Perl_magic_setvec),
4553 NULL,
4554 NULL,
4555 NULL,
4556 NULL,
4557 NULL
4558);
4559
4560MGVTBL_SET(
4561 PL_vtbl_pos,
4562 MEMBER_TO_FPTR(Perl_magic_getpos),
4563 MEMBER_TO_FPTR(Perl_magic_setpos),
4564 NULL,
4565 NULL,
4566 NULL,
4567 NULL,
4568 NULL
4569);
4570
4571MGVTBL_SET(
4572 PL_vtbl_bm,
4573 NULL,
4574 MEMBER_TO_FPTR(Perl_magic_setbm),
4575 NULL,
4576 NULL,
4577 NULL,
4578 NULL,
4579 NULL
4580);
4581
4582MGVTBL_SET(
4583 PL_vtbl_fm,
4584 NULL,
4585 MEMBER_TO_FPTR(Perl_magic_setfm),
4586 NULL,
4587 NULL,
4588 NULL,
4589 NULL,
4590 NULL
4591);
4592
4593MGVTBL_SET(
4594 PL_vtbl_uvar,
4595 MEMBER_TO_FPTR(Perl_magic_getuvar),
4596 MEMBER_TO_FPTR(Perl_magic_setuvar),
4597 NULL,
4598 NULL,
4599 NULL,
4600 NULL,
4601 NULL
4602);
4603
4604MGVTBL_SET(
4605 PL_vtbl_defelem,
4606 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4607 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4608 NULL,
4609 NULL,
4610 NULL,
4611 NULL,
4612 NULL
4613);
4614
4615MGVTBL_SET(
4616 PL_vtbl_regexp,
4617 NULL,
4618 MEMBER_TO_FPTR(Perl_magic_setregexp),
4619 NULL,
4620 NULL,
4621 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4622 NULL,
4623 NULL
4624);
4625
4626MGVTBL_SET(
4627 PL_vtbl_regdata,
4628 NULL,
4629 NULL,
4630 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4631 NULL,
4632 NULL,
4633 NULL,
4634 NULL
4635);
4636
4637MGVTBL_SET(
4638 PL_vtbl_regdatum,
4639 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4640 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4641 NULL,
4642 NULL,
4643 NULL,
4644 NULL,
4645 NULL
4646);
4647
4648MGVTBL_SET(
4649 PL_vtbl_amagic,
4650 NULL,
4651 MEMBER_TO_FPTR(Perl_magic_setamagic),
4652 NULL,
4653 NULL,
4654 MEMBER_TO_FPTR(Perl_magic_setamagic),
4655 NULL,
4656 NULL
4657);
4658
4659MGVTBL_SET(
4660 PL_vtbl_amagicelem,
4661 NULL,
4662 MEMBER_TO_FPTR(Perl_magic_setamagic),
4663 NULL,
4664 NULL,
4665 MEMBER_TO_FPTR(Perl_magic_setamagic),
4666 NULL,
4667 NULL
4668);
4669
4670MGVTBL_SET(
4671 PL_vtbl_backref,
4672 NULL,
4673 NULL,
4674 NULL,
4675 NULL,
4676 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4677 NULL,
4678 NULL
4679);
4680
4681MGVTBL_SET(
4682 PL_vtbl_ovrld,
4683 NULL,
4684 NULL,
4685 NULL,
4686 NULL,
4687 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4688 NULL,
4689 NULL
4690);
4691
4692MGVTBL_SET(
4693 PL_vtbl_utf8,
4694 NULL,
4695 MEMBER_TO_FPTR(Perl_magic_setutf8),
4696 NULL,
4697 NULL,
4698 NULL,
4699 NULL,
4700 NULL
4701);
36477c24 4702#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4703MGVTBL_SET(
4704 PL_vtbl_collxfrm,
4705 NULL,
4706 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4707 NULL,
4708 NULL,
4709 NULL,
4710 NULL,
4711 NULL
4712);
bbce6d69 4713#endif
a0d0e21e 4714
85e6fe83 4715
f5284f61
IZ		 4716enum {
4717 fallback_amg, abs_amg,
4718 bool__amg, nomethod_amg,
4719 string_amg, numer_amg,
4720 add_amg, add_ass_amg,
4721 subtr_amg, subtr_ass_amg,
4722 mult_amg, mult_ass_amg,
4723 div_amg, div_ass_amg,
4724 modulo_amg, modulo_ass_amg,
4725 pow_amg, pow_ass_amg,
4726 lshift_amg, lshift_ass_amg,
4727 rshift_amg, rshift_ass_amg,
4728 band_amg, band_ass_amg,
4729 bor_amg, bor_ass_amg,
4730 bxor_amg, bxor_ass_amg,
4731 lt_amg, le_amg,
4732 gt_amg, ge_amg,
4733 eq_amg, ne_amg,
4734 ncmp_amg, scmp_amg,
4735 slt_amg, sle_amg,
4736 sgt_amg, sge_amg,
4737 seq_amg, sne_amg,
4738 not_amg, compl_amg,
4739 inc_amg, dec_amg,
4740 atan2_amg, cos_amg,
4741 sin_amg, exp_amg,
4742 log_amg, sqrt_amg,
4743 repeat_amg, repeat_ass_amg,
4744 concat_amg, concat_ass_amg,
4745 copy_amg, neg_amg,
4746 to_sv_amg, to_av_amg,
4747 to_hv_amg, to_gv_amg,
d460ef45 4748 to_cv_amg, iter_amg,
0d863452
RH		 4749 int_amg, smart_amg,
4750
4751 /* Note: Perl_Gv_AMupdate() assumes that DESTROY is the last entry */
4752 DESTROY_amg,
f216259d 4753 max_amg_code
64a0062a 4754 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 4755};
4756
4757#define NofAMmeth max_amg_code
e1ec3a88 4758#define AMG_id2name(id) (PL_AMG_names[id]+1)
f5284f61 4759
a0d0e21e 4760#ifdef DOINIT
27da23d5 4761EXTCONST char * const PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 4762 /* Names kept in the symbol table. fallback => "()", the rest has
4763 "(" prepended. The only other place in perl which knows about
4764 this convention is AMG_id2name (used for debugging output and
4765 'nomethod' only), the only other place which has it hardwired is
4766 overload.pm. */
4767 "()", "(abs", /* "fallback" should be the first. */
4768 "(bool", "(nomethod",
4769 "(\"\"", "(0+",
4770 "(+", "(+=",
4771 "(-", "(-=",
4772 "(*", "(*=",
4773 "(/", "(/=",
4774 "(%", "(%=",
4775 "(**", "(**=",
4776 "(<<", "(<<=",
4777 "(>>", "(>>=",
4778 "(&", "(&=",
4779 "(|", "(|=",
4780 "(^", "(^=",
4781 "(<", "(<=",
4782 "(>", "(>=",
4783 "(==", "(!=",
4784 "(<=>", "(cmp",
4785 "(lt", "(le",
4786 "(gt", "(ge",
4787 "(eq", "(ne",
4788 "(!", "(~",
4789 "(++", "(--",
4790 "(atan2", "(cos",
4791 "(sin", "(exp",
4792 "(log", "(sqrt",
4793 "(x", "(x=",
4794 "(.", "(.=",
4795 "(=", "(neg",
4796 "(${}", "(@{}",
4797 "(%{}", "(*{}",
4798 "(&{}", "(<>",
0d863452
RH		 4799 "(int", "(~~",
4800 "DESTROY"
a0d0e21e
LW		 4801};
4802#else
22c35a8c 4803EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4804#endif /* def INITAMAGIC */
4805
73c4f7a1
GS		 4806END_EXTERN_C
4807
a6006777 4808struct am_table {
eb160463 4809 U32 was_ok_sub;
a0d0e21e 4810 long was_ok_am;
a6006777 4811 U32 flags;
4812 CV* table[NofAMmeth];
a0d0e21e
LW		 4813 long fallback;
4814};
a6006777 4815struct am_table_short {
eb160463 4816 U32 was_ok_sub;
a6006777 4817 long was_ok_am;
4818 U32 flags;
4819};
a0d0e21e 4820typedef struct am_table AMT;
a6006777 4821typedef struct am_table_short AMTS;
a0d0e21e
LW		 4822
4823#define AMGfallNEVER 1
4824#define AMGfallNO 2
4825#define AMGfallYES 3
4826
a6006777 4827#define AMTf_AMAGIC 1
32251b26 4828#define AMTf_OVERLOADED 2
a6006777 4829#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4830#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4831#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4832#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4833#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4834#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4835
32251b26 4836#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4837
4838/*
4839 * some compilers like to redefine cos et alia as faster
4840 * (and less accurate?) versions called F_cos et cetera (Quidquid
4841 * latine dictum sit, altum viditur.) This trick collides with
4842 * the Perl overloading (amg). The following #defines fool both.
4843 */
4844
4845#ifdef _FASTMATH
4846# ifdef atan2
4847# define F_atan2_amg atan2_amg
4848# endif
4849# ifdef cos
4850# define F_cos_amg cos_amg
4851# endif
4852# ifdef exp
4853# define F_exp_amg exp_amg
4854# endif
4855# ifdef log
4856# define F_log_amg log_amg
4857# endif
4858# ifdef pow
4859# define F_pow_amg pow_amg
4860# endif
4861# ifdef sin
4862# define F_sin_amg sin_amg
4863# endif
4864# ifdef sqrt
4865# define F_sqrt_amg sqrt_amg
4866# endif
4867#endif /* _FASTMATH */
4868
83ee9e09
GS		 4869#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4870 PERLDBf_NOOPT | PERLDBf_INTER | \
4871 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 4872 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
4873 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 4874#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4875#define PERLDBf_LINE 0x02 /* Keep line # */
4876#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4877#define PERLDBf_INTER 0x08 /* Preserve more data for
4878 later inspections */
4879#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4880#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4881#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4882#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4883#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4884#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 4885#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 4886
3280af22
NIS		 4887#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4888#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4889#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4890#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4891#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4892#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4893#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4894#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 4895#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4896#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 4897#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 4898
36477c24 4899#ifdef USE_LOCALE_NUMERIC
bbce6d69 4900
36477c24 4901#define SET_NUMERIC_STANDARD() \
ff4fed7c 4902 set_numeric_standard();
36477c24 4903
4904#define SET_NUMERIC_LOCAL() \
ff4fed7c 4905 set_numeric_local();
bbce6d69 4906
2de3dbcc
JH		 4907#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
4908#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4909
4910#define IN_LOCALE \
923e4eb5 4911 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 4912
f93f4e46 4913#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 4914 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 4915 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 4916
4917#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 4918 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 4919 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 4920
4921#define RESTORE_NUMERIC_LOCAL() \
4922 if (was_local) SET_NUMERIC_LOCAL();
4923
4924#define RESTORE_NUMERIC_STANDARD() \
4925 if (was_standard) SET_NUMERIC_STANDARD();
4926
5b877257 4927#define Atof my_atof
097ee67d 4928
36477c24 4929#else /* !USE_LOCALE_NUMERIC */
bbce6d69 4930
097ee67d
JH		 4931#define SET_NUMERIC_STANDARD() /**/
4932#define SET_NUMERIC_LOCAL() /**/
5e931b6b 4933#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 4934#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4935#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 4936#define RESTORE_NUMERIC_LOCAL() /**/
4937#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 4938#define Atof my_atof
ad3e0f90 4939#define IN_LOCALE_RUNTIME 0
bbce6d69 4940
36477c24 4941#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 4942
079290de 4943#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4944# ifdef __hpux
4945# define strtoll __strtoll /* secret handshake */
4946# endif
c623ac67
GS		 4947# ifdef WIN64
4948# define strtoll _strtoi64 /* secret handshake */
4949# endif
079290de
GS		 4950# if !defined(Strtol) && defined(HAS_STRTOLL)
4951# define Strtol strtoll
ad551343 4952# endif
28e5dec8
JH		 4953# if !defined(Strtol) && defined(HAS_STRTOQ)
4954# define Strtol strtoq
4955# endif
ff935051 4956/* is there atoq() anywhere? */
15b99d39 4957#endif
079290de
GS		 4958#if !defined(Strtol) && defined(HAS_STRTOL)
4959# define Strtol strtol
4960#endif
4961#ifndef Atol
4962/* It would be more fashionable to use Strtol() to define atol()
4963 * (as is done for Atoul(), see below) but for backward compatibility
4964 * we just assume atol(). */
76b882ba 4965# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 4966# ifdef WIN64
4967# define atoll _atoi64 /* secret handshake */
4968# endif
76b882ba
JH		 4969# define Atol atoll
4970# else
4971# define Atol atol
4972# endif
cf2093f6
JH		 4973#endif
4974
55eb892c 4975#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4976# ifdef __hpux
4977# define strtoull __strtoull /* secret handshake */
4978# endif
c623ac67
GS		 4979# ifdef WIN64
4980# define strtoull _strtoui64 /* secret handshake */
4981# endif
ad551343 4982# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 4983# define Strtoul strtoull
15b99d39 4984# endif
079290de
GS		 4985# if !defined(Strtoul) && defined(HAS_STRTOUQ)
4986# define Strtoul strtouq
4987# endif
76d49b1c 4988/* is there atouq() anywhere? */
ad551343 4989#endif
079290de
GS		 4990#if !defined(Strtoul) && defined(HAS_STRTOUL)
4991# define Strtoul strtoul
cf2093f6 4992#endif
a5523c5b
JH		 4993#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
4994# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
4995#endif
079290de
GS		 4996#ifndef Atoul
4997# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 4998#endif
cf2093f6 4999
760ac839 5000
06d86050
GS		 5001/* if these never got defined, they need defaults */
5002#ifndef PERL_SET_CONTEXT
5003# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
5004#endif
5005
5006#ifndef PERL_GET_CONTEXT
5007# define PERL_GET_CONTEXT PERL_GET_INTERP
5008#endif
5009
5010#ifndef PERL_GET_THX
5011# define PERL_GET_THX ((void*)NULL)
5012#endif
5013
5014#ifndef PERL_SET_THX
5015# define PERL_SET_THX(t) NOOP
5016#endif
5017
a868473f
NIS		 5018#ifndef PERL_SCRIPT_MODE
5019#define PERL_SCRIPT_MODE "r"
5020#endif
5021
fba3b22e 5022/*
da927450
JH		 5023 * Some operating systems are stingy with stack allocation,
5024 * so perl may have to guard against stack overflow.
5025 */
5026#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 5027#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 5028#endif
5029
5030/*
5031 * Some nonpreemptive operating systems find it convenient to
5032 * check for asynchronous conditions after each op execution.
5033 * Keep this check simple, or it may slow down execution
5034 * massively.
5035 */
ce08f86c 5036
1d615522 5037#ifndef PERL_MICRO
4ffa73a3
JH		 5038# ifndef PERL_ASYNC_CHECK
5039# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5040# endif
ce08f86c
NIS		 5041#endif
5042
da927450 5043#ifndef PERL_ASYNC_CHECK
1d615522 5044# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5045#endif
5046
5047/*
5048 * On some operating systems, a memory allocation may succeed,
5049 * but put the process too close to the system's comfort limit.
5050 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5051 * it to NULL.
5052 */
5053#ifndef PERL_ALLOC_CHECK
c2af87cb 5054#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5055#endif
5056
bd89102f
AD		 5057#ifdef HAS_SEM
5058# include <sys/ipc.h>
5059# include <sys/sem.h>
5060# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5061 union semun {
dbba660d
TC		 5062 int val;
5063 struct semid_ds *buf;
5064 unsigned short *array;
bd89102f
AD		 5065 };
5066# endif
5067# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5068# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5069 union gccbug_semun {
5070 int val;
5071 struct semid_ds *buf;
5072 unsigned short *array;
5073 char __dummy[5];
5074 };
5075# define semun gccbug_semun
5076# endif
bd89102f
AD		 5077# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5078# else
5079# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5080# ifdef EXTRA_F_IN_SEMUN_BUF
5081# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5082# else
5083# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5084# endif
bd89102f
AD		 5085# endif
5086# endif
bd89102f 5087#endif
49f531da 5088
89ca4ac7
JH		 5089/*
5090 * Boilerplate macros for initializing and accessing interpreter-local
5091 * data from C. All statics in extensions should be reworked to use
5092 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 5093 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 5094 *
5095 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5096 * 1. #define MY_CXT_KEY to a unique string, e.g.
5097 * "DynaLoader::_guts" XS_VERSION
f16dd614 5098 * XXX in the current implementation, this string is ignored.
89ca4ac7
JH		 5099 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5100 * all the data that needs to be interpreter-local.
5101 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5102 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5103 * (typically put in the BOOT: section).
5104 * 5. Use the members of the my_cxt_t structure everywhere as
5105 * MY_CXT.member.
5106 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5107 * access MY_CXT.
5108 */
5109
fc958cd2 5110#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 5111
5112/* This must appear in all extensions that define a my_cxt_t structure,
5113 * right after the definition (i.e. at file scope). The non-threads
5114 * case below uses it to declare the data as static. */
f16dd614 5115#define START_MY_CXT static int my_cxt_index = -1;
89ca4ac7
JH		 5116
5117/* This declaration should be used within all functions that use the
5118 * interpreter-local data. */
5119#define dMY_CXT \
f16dd614
DM		 5120 my_cxt_t *my_cxtp = (my_cxt_t *)PL_my_cxt_list[my_cxt_index]
5121#define dMY_CXT_INTERP(my_perl) \
5122 my_cxt_t *my_cxtp = (my_cxt_t *)(my_perl)->Imy_cxt_list[my_cxt_index]
89ca4ac7
JH		 5123
5124/* Creates and zeroes the per-interpreter data.
5125 * (We allocate my_cxtp in a Perl SV so that it will be released when
5126 * the interpreter goes away.) */
5127#define MY_CXT_INIT \
f16dd614
DM		 5128 my_cxt_t *my_cxtp = \
5129 (my_cxt_t*)Perl_my_cxt_init(aTHX_ &my_cxt_index, sizeof(my_cxt_t))
5130#define MY_CXT_INIT_INTERP(my_perl) \
5131 my_cxt_t *my_cxtp = \
5132 (my_cxt_t*)Perl_my_cxt_init(my_perl, &my_cxt_index, sizeof(my_cxt_t))
89ca4ac7 5133
8fba5d14
MHM		 5134/* Clones the per-interpreter data. */
5135#define MY_CXT_CLONE \
8fba5d14 5136 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
f16dd614
DM		 5137 Copy(PL_my_cxt_list[my_cxt_index], my_cxtp, 1, my_cxt_t);\
5138 PL_my_cxt_list[my_cxt_index] = my_cxtp \
8fba5d14 5139
89ca4ac7
JH		 5140/* This macro must be used to access members of the my_cxt_t structure.
5141 * e.g. MYCXT.some_data */
5142#define MY_CXT (*my_cxtp)
5143
5144/* Judicious use of these macros can reduce the number of times dMY_CXT
5145 * is used. Use is similar to pTHX, aTHX etc. */
5146#define pMY_CXT my_cxt_t *my_cxtp
5147#define pMY_CXT_ pMY_CXT,
5148#define _pMY_CXT ,pMY_CXT
5149#define aMY_CXT my_cxtp
5150#define aMY_CXT_ aMY_CXT,
5151#define _aMY_CXT ,aMY_CXT
5152
f16dd614 5153#else /* PERL_IMPLICIT_CONTEXT */
89ca4ac7
JH		 5154
5155#define START_MY_CXT static my_cxt_t my_cxt;
5156#define dMY_CXT_SV dNOOP
5157#define dMY_CXT dNOOP
5158#define MY_CXT_INIT NOOP
8fba5d14 5159#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5160#define MY_CXT my_cxt
5161
5162#define pMY_CXT void
5163#define pMY_CXT_
5164#define _pMY_CXT
5165#define aMY_CXT
5166#define aMY_CXT_
5167#define _aMY_CXT
5168
f16dd614 5169#endif /* !defined(PERL_IMPLICIT_CONTEXT) */
89ca4ac7 5170
9a34ef1d
GS		 5171#ifdef I_FCNTL
5172# include <fcntl.h>
9a34ef1d
GS		 5173#endif
5174
9cffb111
OS		 5175#ifdef __Lynx__
5176# include <fcntl.h>
5177#endif
5178
9a34ef1d
GS		 5179#ifdef I_SYS_FILE
5180# include <sys/file.h>
5181#endif
5182
fa0a29af 5183#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5184int flock(int fd, int op);
5185#endif
5186
fe52b3b7
GS		 5187#ifndef O_RDONLY
5188/* Assume UNIX defaults */
5189# define O_RDONLY 0000
5190# define O_WRONLY 0001
5191# define O_RDWR 0002
5192# define O_CREAT 0100
5193#endif
9a34ef1d 5194
16fe6d59
GS		 5195#ifndef O_BINARY
5196# define O_BINARY 0
5197#endif
5198
5199#ifndef O_TEXT
5200# define O_TEXT 0
5201#endif
5202
6ce75a77
JH		 5203#if O_TEXT != O_BINARY
5204 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5205 * that is, you are somehow DOSish. */
538204d5 5206# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5207 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5208 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5209 /* VOS has O_TEXT != O_BINARY, and they have effect,
5210 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5211 /* If you have O_TEXT different from your O_BINARY but you still are
5212 * not a CRLF shop. */
35990314 5213# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5214# else
5215 /* If you really are DOSish. */
5216# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5217# endif
5218#endif
5219
104d25b7
JH		 5220#ifdef IAMSUID
5221
5222#ifdef I_SYS_STATVFS
9f982a77
IG		 5223# if defined(PERL_SCO) && !defined(_SVID3)
5224# define _SVID3
5225# endif
32b3cf08
JH		 5226# include <sys/statvfs.h> /* for f?statvfs() */
5227#endif
5228#ifdef I_SYS_MOUNT
5229# include <sys/mount.h> /* for *BSD f?statfs() */
5230#endif
5231#ifdef I_MNTENT
5232# include <mntent.h> /* for getmntent() */
104d25b7 5233#endif
0545a864
JH		 5234#ifdef I_SYS_STATFS
5235# include <sys/statfs.h> /* for some statfs() */
5236#endif
5237#ifdef I_SYS_VFS
8d9e1a19
GS		 5238# ifdef __sgi
5239# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5240# endif
5241# include <sys/vfs.h> /* for some statfs() */
5242# ifdef __sgi
5243# undef IRIX_sv
5244# endif
0545a864
JH		 5245#endif
5246#ifdef I_USTAT
5247# include <ustat.h> /* for ustat() */
5248#endif
5249
5250#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5251# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5252#endif
5253#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5254# define PERL_MOUNT_NOSUID MNT_NOSUID
5255#endif
5256#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5257# define PERL_MOUNT_NOSUID MS_NOSUID
5258#endif
5259#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5260# define PERL_MOUNT_NOSUID M_NOSUID
5261#endif
104d25b7 5262
ae3f3efd
PS		 5263#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5264# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5265#endif
5266#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5267# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5268#endif
5269#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5270# define PERL_MOUNT_NOEXEC MS_NOEXEC
5271#endif
5272#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5273# define PERL_MOUNT_NOEXEC M_NOEXEC
5274#endif
5275
104d25b7
JH		 5276#endif /* IAMSUID */
5277
4bc88a62
PS		 5278#ifdef I_LIBUTIL
5279# include <libutil.h> /* setproctitle() in some FreeBSDs */
5280#endif
5281
b4748376
NIS		 5282#ifndef EXEC_ARGV_CAST
5283#define EXEC_ARGV_CAST(x) x
5284#endif
5285
dd5dc04f
JH		 5286#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5287 int). value returned in pointed-
5288 to UV */
5289#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5290#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5291#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5292#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5293#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5294
5295#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5296
53305cf1
NC		 5297/* Input flags: */
5298#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5299#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5300#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5301/* Output flags: */
5302#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5303
2c4f7f0e
DM		 5304/* to let user control profiling */
5305#ifdef PERL_GPROF_CONTROL
5306extern void moncontrol(int);
5307#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5308#else
5309#define PERL_GPROF_MONCONTROL(x)
5310#endif
5311
ae0e3d3b
JH		 5312#ifdef UNDER_CE
5313#include "wince.h"
5314#endif
5315
5316/* ISO 6429 NEL - C1 control NExt Line */
5317/* See http://www.unicode.org/unicode/reports/tr13/ */
5318#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5319# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5320# define NEXT_LINE_CHAR 0x15
5321# else /* CDRA */
5322# define NEXT_LINE_CHAR 0x25
5323# endif
5324#else
5325# define NEXT_LINE_CHAR 0x85
5326#endif
5327
5328/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5329#define UNICODE_LINE_SEPA_0 0xE2
5330#define UNICODE_LINE_SEPA_1 0x80
5331#define UNICODE_LINE_SEPA_2 0xA8
5332#define UNICODE_PARA_SEPA_0 0xE2
5333#define UNICODE_PARA_SEPA_1 0x80
5334#define UNICODE_PARA_SEPA_2 0xA9
5335
479b2847
GS		 5336#ifndef PIPESOCK_MODE
5337# define PIPESOCK_MODE
5338#endif
5339
460c8493
IZ		 5340#ifndef SOCKET_OPEN_MODE
5341# define SOCKET_OPEN_MODE PIPESOCK_MODE
5342#endif
5343
5344#ifndef PIPE_OPEN_MODE
5345# define PIPE_OPEN_MODE PIPESOCK_MODE
5346#endif
5347
7e8c5dac
HS		 5348#define PERL_MAGIC_UTF8_CACHESIZE 2
5349
a05d7ebb
JH		 5350#define PERL_UNICODE_STDIN_FLAG 0x0001
5351#define PERL_UNICODE_STDOUT_FLAG 0x0002
5352#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5353#define PERL_UNICODE_IN_FLAG 0x0008
5354#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5355#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5356#define PERL_UNICODE_LOCALE_FLAG 0x0040
5357#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5358
06e66572
JH		 5359#define PERL_UNICODE_STD_FLAG \
5360 (PERL_UNICODE_STDIN_FLAG | \
5361 PERL_UNICODE_STDOUT_FLAG | \
5362 PERL_UNICODE_STDERR_FLAG)
5363
5364#define PERL_UNICODE_INOUT_FLAG \
5365 (PERL_UNICODE_IN_FLAG | \
5366 PERL_UNICODE_OUT_FLAG)
5367
5368#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5369 (PERL_UNICODE_STD_FLAG | \
5370 PERL_UNICODE_INOUT_FLAG | \
5371 PERL_UNICODE_LOCALE_FLAG)
5372
5373#define PERL_UNICODE_ALL_FLAGS 0x00ff
5374
5375#define PERL_UNICODE_STDIN 'I'
5376#define PERL_UNICODE_STDOUT 'O'
5377#define PERL_UNICODE_STDERR 'E'
5378#define PERL_UNICODE_STD 'S'
5379#define PERL_UNICODE_IN 'i'
5380#define PERL_UNICODE_OUT 'o'
5381#define PERL_UNICODE_INOUT 'D'
5382#define PERL_UNICODE_ARGV 'A'
5383#define PERL_UNICODE_LOCALE 'L'
5384#define PERL_UNICODE_WIDESYSCALLS 'W'
5385
4ffa73a3
JH		 5386#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5387
16bd9a85
JH		 5388/* From sigaction(2) (FreeBSD man page):
5389 * | Signal routines normally execute with the signal that
5390 * | caused their invocation blocked, but other signals may
5391 * | yet occur.
5392 * Emulation of this behavior (from within Perl) is enabled
5393 * by defining PERL_BLOCK_SIGNALS.
5394 */
5395#define PERL_BLOCK_SIGNALS
5396
5397#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5398# define PERL_BLOCKSIG_ADD(set,sig) \
5399 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5400# define PERL_BLOCKSIG_BLOCK(set) \
5401 sigprocmask(SIG_BLOCK, &(set), NULL)
5402# define PERL_BLOCKSIG_UNBLOCK(set) \
5403 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5404#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5405
5406/* How about the old style of sigblock()? */
5407
5408#ifndef PERL_BLOCKSIG_ADD
5409# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5410#endif
5411#ifndef PERL_BLOCKSIG_BLOCK
5412# define PERL_BLOCKSIG_BLOCK(set) NOOP
5413#endif
2bfba5f0 5414#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5415# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5416#endif
5417
32fdb065 5418/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5419 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5420#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5421
3c0f78ca
JH		 5422#if defined(__DECC) && defined(__osf__)
5423#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5424#endif
5425
e4dba786
NC		 5426#define do_open(g, n, l, a, rm, rp, sf) \
5427 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5428#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
711aba4c 5429# define do_exec(cmd) do_exec3(cmd,0,0)
a9f96b3f 5430#endif
15871fce
NC		 5431#ifdef OS2
5432# define do_aexec Perl_do_aexec
5433#else
5434# define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5435#endif
e4dba786 5436
4d8076ea 5437/* and finally... */
cceca5ed 5438#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5439#include "patchlevel.h"
cceca5ed 5440#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5441
43999f95 5442/* Mention
d460ef45 5443
43999f95 5444 NV_PRESERVES_UV
fe749a9f 5445
fe749a9f
JH		 5446 HAS_MKSTEMP
5447 HAS_MKSTEMPS
5448 HAS_MKDTEMP
5449
49dabb45
JH		 5450 HAS_GETCWD
5451
d59b5429 5452 HAS_MMAP
fe749a9f
JH		 5453 HAS_MPROTECT
5454 HAS_MSYNC
1e8c3fde 5455 HAS_MADVISE
fe749a9f
JH		 5456 HAS_MUNMAP
5457 I_SYSMMAN
5458 Mmap_t
5459
6b4667fc
A		 5460 NVef
5461 NVff
5462 NVgf
5463
4e0554ec 5464 HAS_UALARM
2d736872 5465 HAS_USLEEP
4e0554ec
JH		 5466
5467 HAS_SETITIMER
5468 HAS_GETITIMER
5469
5470 HAS_SENDMSG
5471 HAS_RECVMSG
5472 HAS_READV
5473 HAS_WRITEV
5474 I_SYSUIO
5475 HAS_STRUCT_MSGHDR
5476 HAS_STRUCT_CMSGHDR
5477
2765b840 5478 HAS_NL_LANGINFO
0a7020c9 5479
ae0e3d3b 5480 HAS_DIRFD
2765b840 5481
43999f95
JH		 5482 so that Configure picks them up. */
5483
85e6fe83 5484#endif /* Include guard */
ae0e3d3b 5485
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