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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
34659ad4 214# if defined(HASATTRIBUTE_UNUSED) && !defined(__cplusplus)
b79c357a
RGS		 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
d6f9c181
JH		 365#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
366# define BYTEORDER 0x1234
79072805
LW		 367#endif
368
369/* Overall memory policy? */
370#ifndef CONSERVATIVE
371# define LIBERAL 1
372#endif
373
8ada0baa
JH		 374#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
375#define ASCIIish
376#else
377#undef ASCIIish
378#endif
379
79072805
LW		 380/*
381 * The following contortions are brought to you on behalf of all the
382 * standards, semi-standards, de facto standards, not-so-de-facto standards
383 * of the world, as well as all the other botches anyone ever thought of.
384 * The basic theory is that if we work hard enough here, the rest of the
385 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
386 */
ac58e20f 387
ee0007ab 388/* define this once if either system, instead of cluttering up the src */
2986a63f 389#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 390#define DOSISH 1
391#endif
392
fb38d079 393#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 394# define STANDARD_C 1
395#endif
396
9969cdde 397#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 398# define DONT_DECLARE_STD 1
399#endif
400
352d5a3a 401#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 402# ifdef __cplusplus
cb69f87a 403# define VOL /* to temporarily suppress warnings */
79072805
LW		 404# else
405# define VOL volatile
406# endif
663a0e37 407#else
79072805 408# define VOL
663a0e37
LW		 409#endif
410
3280af22
NIS		 411#define TAINT (PL_tainted = TRUE)
412#define TAINT_NOT (PL_tainted = FALSE)
413#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
414#define TAINT_ENV() if (PL_tainting) { taint_env(); }
bd61b366 415#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(NULL, s); }
a687059c 416
d460ef45 417/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 418 defines move there? If so, I could simplify this a lot. --AD 9/96.
419*/
420/* Process group stuff changed from traditional BSD to POSIX.
421 perlfunc.pod documents the traditional BSD-style syntax, so we'll
422 try to preserve that, if possible.
423*/
424#ifdef HAS_SETPGID
425# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 426#else
a6e633de 427# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
428# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
429# else
430# ifdef HAS_SETPGRP2 /* DG/UX */
431# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
432# endif
433# endif
434#endif
435#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
436# define HAS_SETPGRP /* Well, effectively it does . . . */
437#endif
438
439/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
440 our life easier :-) so we'll try it.
441*/
442#ifdef HAS_GETPGID
443# define BSD_GETPGRP(pid) getpgid((pid))
444#else
445# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
446# define BSD_GETPGRP(pid) getpgrp((pid))
447# else
448# ifdef HAS_GETPGRP2 /* DG/UX */
449# define BSD_GETPGRP(pid) getpgrp2((pid))
450# endif
451# endif
452#endif
453#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
454# define HAS_GETPGRP /* Well, effectively it does . . . */
455#endif
456
d460ef45 457/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 458 have different behaviors, but perl.h used to define USE_BSDPGRP
459 (prior to 5.003_05) so some extension might depend on it.
460*/
461#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
462# ifndef USE_BSDPGRP
463# define USE_BSDPGRP
464# endif
663a0e37
LW		 465#endif
466
8ac5a1fe
MH		 467/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
468 pthread.h must be included before all other header files.
469*/
3db8f154 470#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 471# include <pthread.h>
472#endif
473
760ac839
LW		 474#ifndef _TYPES_ /* If types.h defines this it's easy. */
475# ifndef major /* Does everyone's types.h define this? */
476# include <sys/types.h>
c07a80fd 477# endif
663a0e37
LW		 478#endif
479
760ac839
LW		 480#ifdef __cplusplus
481# ifndef I_STDARG
482# define I_STDARG 1
483# endif
484#endif
485
486#ifdef I_STDARG
487# include <stdarg.h>
488#else
489# ifdef I_VARARGS
490# include <varargs.h>
491# endif
492#endif
493
4633a7c4 494#ifdef USE_NEXT_CTYPE
0c30d9ec 495
092bebab
JH		 496#if NX_CURRENT_COMPILER_RELEASE >= 500
497# include <bsd/ctypes.h>
498#else
499# if NX_CURRENT_COMPILER_RELEASE >= 400
500# include <objc/NXCType.h>
501# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
502# include <appkit/NXCType.h>
503# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
504#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 505
506#else /* !USE_NEXT_CTYPE */
fe14fcc3 507#include <ctype.h>
0c30d9ec 508#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 509
510#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
511#undef METHOD
a0d0e21e
LW		 512#endif
513
12ae5dfc
JH		 514#ifdef PERL_MICRO
515# define NO_LOCALE
516#endif
517
4633a7c4 518#ifdef I_LOCALE
36477c24 519# include <locale.h>
4633a7c4
LW		 520#endif
521
36477c24 522#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
523# define USE_LOCALE
524# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
525 && defined(HAS_STRXFRM)
526# define USE_LOCALE_COLLATE
527# endif
528# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
529# define USE_LOCALE_CTYPE
530# endif
531# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
532# define USE_LOCALE_NUMERIC
533# endif
534#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 535
fe14fcc3 536#include <setjmp.h>
79072805 537
a0d0e21e 538#ifdef I_SYS_PARAM
79072805
LW		 539# ifdef PARAM_NEEDS_TYPES
540# include <sys/types.h>
541# endif
542# include <sys/param.h>
352d5a3a 543#endif
79072805 544
79072805 545/* Use all the "standard" definitions? */
a0d0e21e 546#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 547# include <stdlib.h>
ff68c719 548#endif
03a14243 549
3f270f98
JH		 550/* If this causes problems, set i_unistd=undef in the hint file. */
551#ifdef I_UNISTD
552# include <unistd.h>
553#endif
554
9969cdde 555#ifdef __SYMBIAN32__
27da23d5
JH		 556# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
557#endif
558
7114a2d2 559#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 560int syscall(int, ...);
561#endif
562
7114a2d2 563#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 564int usleep(unsigned int);
2ef53570
JH		 565#endif
566
9a34ef1d
GS		 567#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
568# define MYSWAP
569#endif
570
1109a392
MHM		 571#ifdef PERL_CORE
572
573/* macros for correct constant construction */
574# if INTSIZE >= 2
575# define U16_CONST(x) ((U16)x##U)
576# else
577# define U16_CONST(x) ((U16)x##UL)
578# endif
579
580# if INTSIZE >= 4
581# define U32_CONST(x) ((U32)x##U)
582# else
583# define U32_CONST(x) ((U32)x##UL)
584# endif
585
586# ifdef HAS_QUAD
587# if INTSIZE >= 8
588# define U64_CONST(x) ((U64)x##U)
589# elif LONGSIZE >= 8
590# define U64_CONST(x) ((U64)x##UL)
591# elif QUADKIND == QUAD_IS_LONG_LONG
592# define U64_CONST(x) ((U64)x##ULL)
593# else /* best guess we can make */
594# define U64_CONST(x) ((U64)x##UL)
595# endif
596# endif
597
598/* byte-swapping functions for big-/little-endian conversion */
599# define _swab_16_(x) ((U16)( \
600 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
601 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
602
603# define _swab_32_(x) ((U32)( \
604 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
605 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
606 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
607 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
608
609# ifdef HAS_QUAD
610# define _swab_64_(x) ((U64)( \
611 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
612 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
613 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
614 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
615 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
616 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
617 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
618 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
619# endif
620
621/*----------------------------------------------------------------------------*/
622# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
623/*----------------------------------------------------------------------------*/
624# define my_htole16(x) (x)
625# define my_letoh16(x) (x)
626# define my_htole32(x) (x)
627# define my_letoh32(x) (x)
628# define my_htobe16(x) _swab_16_(x)
629# define my_betoh16(x) _swab_16_(x)
630# define my_htobe32(x) _swab_32_(x)
631# define my_betoh32(x) _swab_32_(x)
632# ifdef HAS_QUAD
633# define my_htole64(x) (x)
634# define my_letoh64(x) (x)
635# define my_htobe64(x) _swab_64_(x)
636# define my_betoh64(x) _swab_64_(x)
637# endif
638# define my_htoles(x) (x)
639# define my_letohs(x) (x)
640# define my_htolei(x) (x)
641# define my_letohi(x) (x)
642# define my_htolel(x) (x)
643# define my_letohl(x) (x)
644# if SHORTSIZE == 1
645# define my_htobes(x) (x)
646# define my_betohs(x) (x)
647# elif SHORTSIZE == 2
648# define my_htobes(x) _swab_16_(x)
649# define my_betohs(x) _swab_16_(x)
650# elif SHORTSIZE == 4
651# define my_htobes(x) _swab_32_(x)
652# define my_betohs(x) _swab_32_(x)
653# elif SHORTSIZE == 8
654# define my_htobes(x) _swab_64_(x)
655# define my_betohs(x) _swab_64_(x)
656# else
657# define PERL_NEED_MY_HTOBES
658# define PERL_NEED_MY_BETOHS
659# endif
660# if INTSIZE == 1
661# define my_htobei(x) (x)
662# define my_betohi(x) (x)
663# elif INTSIZE == 2
664# define my_htobei(x) _swab_16_(x)
665# define my_betohi(x) _swab_16_(x)
666# elif INTSIZE == 4
667# define my_htobei(x) _swab_32_(x)
668# define my_betohi(x) _swab_32_(x)
669# elif INTSIZE == 8
670# define my_htobei(x) _swab_64_(x)
671# define my_betohi(x) _swab_64_(x)
672# else
673# define PERL_NEED_MY_HTOBEI
674# define PERL_NEED_MY_BETOHI
675# endif
676# if LONGSIZE == 1
677# define my_htobel(x) (x)
678# define my_betohl(x) (x)
679# elif LONGSIZE == 2
680# define my_htobel(x) _swab_16_(x)
681# define my_betohl(x) _swab_16_(x)
682# elif LONGSIZE == 4
683# define my_htobel(x) _swab_32_(x)
684# define my_betohl(x) _swab_32_(x)
685# elif LONGSIZE == 8
686# define my_htobel(x) _swab_64_(x)
687# define my_betohl(x) _swab_64_(x)
688# else
689# define PERL_NEED_MY_HTOBEL
690# define PERL_NEED_MY_BETOHL
691# endif
692# define my_htolen(p,n) NOOP
693# define my_letohn(p,n) NOOP
694# define my_htoben(p,n) my_swabn(p,n)
695# define my_betohn(p,n) my_swabn(p,n)
696/*----------------------------------------------------------------------------*/
697# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
698/*----------------------------------------------------------------------------*/
699# define my_htobe16(x) (x)
700# define my_betoh16(x) (x)
701# define my_htobe32(x) (x)
702# define my_betoh32(x) (x)
703# define my_htole16(x) _swab_16_(x)
704# define my_letoh16(x) _swab_16_(x)
705# define my_htole32(x) _swab_32_(x)
706# define my_letoh32(x) _swab_32_(x)
707# ifdef HAS_QUAD
708# define my_htobe64(x) (x)
709# define my_betoh64(x) (x)
710# define my_htole64(x) _swab_64_(x)
711# define my_letoh64(x) _swab_64_(x)
712# endif
713# define my_htobes(x) (x)
714# define my_betohs(x) (x)
715# define my_htobei(x) (x)
716# define my_betohi(x) (x)
717# define my_htobel(x) (x)
718# define my_betohl(x) (x)
719# if SHORTSIZE == 1
720# define my_htoles(x) (x)
721# define my_letohs(x) (x)
722# elif SHORTSIZE == 2
723# define my_htoles(x) _swab_16_(x)
724# define my_letohs(x) _swab_16_(x)
725# elif SHORTSIZE == 4
726# define my_htoles(x) _swab_32_(x)
727# define my_letohs(x) _swab_32_(x)
728# elif SHORTSIZE == 8
729# define my_htoles(x) _swab_64_(x)
730# define my_letohs(x) _swab_64_(x)
731# else
732# define PERL_NEED_MY_HTOLES
733# define PERL_NEED_MY_LETOHS
734# endif
735# if INTSIZE == 1
736# define my_htolei(x) (x)
737# define my_letohi(x) (x)
738# elif INTSIZE == 2
739# define my_htolei(x) _swab_16_(x)
740# define my_letohi(x) _swab_16_(x)
741# elif INTSIZE == 4
742# define my_htolei(x) _swab_32_(x)
743# define my_letohi(x) _swab_32_(x)
744# elif INTSIZE == 8
745# define my_htolei(x) _swab_64_(x)
746# define my_letohi(x) _swab_64_(x)
747# else
748# define PERL_NEED_MY_HTOLEI
749# define PERL_NEED_MY_LETOHI
750# endif
751# if LONGSIZE == 1
752# define my_htolel(x) (x)
753# define my_letohl(x) (x)
754# elif LONGSIZE == 2
755# define my_htolel(x) _swab_16_(x)
756# define my_letohl(x) _swab_16_(x)
757# elif LONGSIZE == 4
758# define my_htolel(x) _swab_32_(x)
759# define my_letohl(x) _swab_32_(x)
760# elif LONGSIZE == 8
761# define my_htolel(x) _swab_64_(x)
762# define my_letohl(x) _swab_64_(x)
763# else
764# define PERL_NEED_MY_HTOLEL
765# define PERL_NEED_MY_LETOHL
766# endif
767# define my_htolen(p,n) my_swabn(p,n)
768# define my_letohn(p,n) my_swabn(p,n)
769# define my_htoben(p,n) NOOP
770# define my_betohn(p,n) NOOP
771/*----------------------------------------------------------------------------*/
772# else /* all other byte-orders */
773/*----------------------------------------------------------------------------*/
774# define PERL_NEED_MY_HTOLE16
775# define PERL_NEED_MY_LETOH16
776# define PERL_NEED_MY_HTOBE16
777# define PERL_NEED_MY_BETOH16
778# define PERL_NEED_MY_HTOLE32
779# define PERL_NEED_MY_LETOH32
780# define PERL_NEED_MY_HTOBE32
781# define PERL_NEED_MY_BETOH32
782# ifdef HAS_QUAD
783# define PERL_NEED_MY_HTOLE64
784# define PERL_NEED_MY_LETOH64
785# define PERL_NEED_MY_HTOBE64
786# define PERL_NEED_MY_BETOH64
787# endif
788# define PERL_NEED_MY_HTOLES
789# define PERL_NEED_MY_LETOHS
790# define PERL_NEED_MY_HTOBES
791# define PERL_NEED_MY_BETOHS
792# define PERL_NEED_MY_HTOLEI
793# define PERL_NEED_MY_LETOHI
794# define PERL_NEED_MY_HTOBEI
795# define PERL_NEED_MY_BETOHI
796# define PERL_NEED_MY_HTOLEL
797# define PERL_NEED_MY_LETOHL
798# define PERL_NEED_MY_HTOBEL
799# define PERL_NEED_MY_BETOHL
800/*----------------------------------------------------------------------------*/
801# endif /* end of byte-order macros */
802/*----------------------------------------------------------------------------*/
803
9c17f24a
NC		 804/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
805 at least on FreeBSD. YMMV, so experiment. */
806#ifndef PERL_ARENA_SIZE
807#define PERL_ARENA_SIZE 4080
808#endif
809
d2a0f284
JC		 810/* enable ARENA_SETS by default, but allow disabling */
811#ifndef ARENASETS
812#define ARENASETS 1
813#endif
814
1109a392
MHM		 815#endif /* PERL_CORE */
816
bdf3085f
NC		 817/* We no longer default to creating a new SV for GvSV.
818 Do this before embed. */
819#ifndef PERL_CREATE_GVSV
820#define PERL_DONT_CREATE_GVSV
821#endif
822
ca0c25f6
NC		 823#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
824#define PERL_USES_PL_PIDSTATUS
825#endif
826
a62746fa
RGS		 827#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
828#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
829#endif
830
66a93824
NIS		 831/* Cannot include embed.h here on Win32 as win32.h has not
832 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
833 */
96e176bf 834#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 835# include "embed.h"
836#endif
837
c31fac66
GS		 838#define MEM_SIZE Size_t
839
1936d2a7
NC		 840/* Round all values passed to malloc up, by default to a multiple of
841 sizeof(size_t)
842*/
843#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
844#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
845#endif
846
51371543
GS		 847#if defined(STANDARD_C) && defined(I_STDDEF)
848# include <stddef.h>
849# define STRUCT_OFFSET(s,m) offsetof(s,m)
850#else
851# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
852#endif
853
9969cdde 854#ifndef __SYMBIAN32__
27da23d5
JH		 855# if defined(I_STRING) || defined(__cplusplus)
856# include <string.h>
857# else
858# include <strings.h>
859# endif
51371543
GS		 860#endif
861
55497cff 862/* This comes after <stdlib.h> so we don't try to change the standard
863 * library prototypes; we'll use our own in proto.h instead. */
03a14243 864
4633a7c4 865#ifdef MYMALLOC
86058a2d 866# ifdef PERL_POLLUTE_MALLOC
ee13e175 867# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 868# define Perl_malloc malloc
869# define Perl_calloc calloc
870# define Perl_realloc realloc
871# define Perl_mfree free
ee13e175 872# endif
86058a2d
GS		 873# else
874# define EMBEDMYMALLOC /* for compatibility */
875# endif
827e134a 876
651b9576
GS		 877# define safemalloc Perl_malloc
878# define safecalloc Perl_calloc
879# define saferealloc Perl_realloc
880# define safefree Perl_mfree
22f7c9c9
JH		 881# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
882 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
883 code; \
884 } STMT_END
885# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
886 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
887# define panic_write2(s) write(2, s, strlen(s))
888# define CHECK_MALLOC_TAINT(newval) \
889 CHECK_MALLOC_TOO_LATE_FOR_( \
890 if (newval) { \
891 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
892 exit(1); })
22f7c9c9 893# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 894 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 895 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
896 }} STMT_END;
f2517201
GS		 897#else /* MYMALLOC */
898# define safemalloc safesysmalloc
899# define safecalloc safesyscalloc
900# define saferealloc safesysrealloc
901# define safefree safesysfree
22f7c9c9
JH		 902# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
903# define CHECK_MALLOC_TAINT(newval) ((void)0)
904# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 905#endif /* MYMALLOC */
4633a7c4 906
27da23d5 907#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		 908#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
909#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
910#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
911
a0d0e21e
LW		 912#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
913#define strchr index
914#define strrchr rindex
915#endif
916
16d20bd9
AD		 917#ifdef I_MEMORY
918# include <memory.h>
919#endif
920
fe14fcc3 921#ifdef HAS_MEMCPY
85e6fe83 922# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 923# ifndef memcpy
20ce7b12 924 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 925# endif
926# endif
927#else
928# ifndef memcpy
929# ifdef HAS_BCOPY
930# define memcpy(d,s,l) bcopy(s,d,l)
931# else
932# define memcpy(d,s,l) my_bcopy(s,d,l)
933# endif
934# endif
935#endif /* HAS_MEMCPY */
fe14fcc3 936
ee0007ab 937#ifdef HAS_MEMSET
85e6fe83 938# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 939# ifndef memset
20ce7b12 940 extern char *memset (char*, int, int);
ee0007ab
LW		 941# endif
942# endif
ee0007ab 943#else
12ae5dfc 944# undef memset
fc36a67e 945# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 946#endif /* HAS_MEMSET */
947
85e6fe83 948#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 949# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 950# define memmove(d,s,l) bcopy(s,d,l)
951# else
2304df62 952# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 953# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 954# else
79072805 955# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 956# endif
352d5a3a 957# endif
d9d8d8de 958#endif
ee0007ab 959
36477c24 960#if defined(mips) && defined(ultrix) && !defined(__STDC__)
961# undef HAS_MEMCMP
962#endif
963
964#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 965# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 966# ifndef memcmp
20ce7b12 967 extern int memcmp (char*, char*, int);
ee0007ab
LW		 968# endif
969# endif
36477c24 970# ifdef BUGGY_MSC
7e4e8c89 971# pragma function(memcmp)
36477c24 972# endif
ee0007ab
LW		 973#else
974# ifndef memcmp
ecfc5424 975# define memcmp my_memcmp
352d5a3a 976# endif
36477c24 977#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 978
fc36a67e 979#ifndef memzero
c635e13b 980# ifdef HAS_MEMSET
981# define memzero(d,l) memset(d,0,l)
79072805 982# else
c635e13b 983# ifdef HAS_BZERO
984# define memzero(d,l) bzero(d,l)
79072805 985# else
fc36a67e 986# define memzero(d,l) my_bzero(d,l)
79072805
LW		 987# endif
988# endif
d9d8d8de 989#endif
378cc40b 990
2f42fcb0 991#ifndef PERL_MICRO
0f27ced1
JH		 992#ifndef memchr
993# ifndef HAS_MEMCHR
994# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
995# endif
996#endif
2f42fcb0 997#endif
0f27ced1 998
36477c24 999#ifndef HAS_BCMP
1000# ifndef bcmp
1001# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 1002# endif
36477c24 1003#endif /* !HAS_BCMP */
378cc40b 1004
ae986130 1005#ifdef I_NETINET_IN
79072805 1006# include <netinet/in.h>
ae986130
LW		 1007#endif
1008
28e8609d
JH		 1009#ifdef I_ARPA_INET
1010# include <arpa/inet.h>
1011#endif
1012
84902520
TB		 1013#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1014/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1015 * (the neo-BSD seem to do this). */
1016# undef SF_APPEND
1017#endif
1018
1aef975c 1019#ifdef I_SYS_STAT
84902520 1020# include <sys/stat.h>
1aef975c 1021#endif
79072805 1022
a0d0e21e
LW		 1023/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1024 like UTekV) are broken, sometimes giving false positives. Undefine
1025 them here and let the code below set them to proper values.
1026
1027 The ghs macro stands for GreenHills Software C-1.8.5 which
1028 is the C compiler for sysV88 and the various derivatives.
1029 This header file bug is corrected in gcc-2.5.8 and later versions.
1030 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1031
1032#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1033# undef S_ISDIR
1034# undef S_ISCHR
1035# undef S_ISBLK
1036# undef S_ISREG
1037# undef S_ISFIFO
1038# undef S_ISLNK
ee0007ab 1039#endif
135863df 1040
663a0e37
LW		 1041#ifdef I_TIME
1042# include <time.h>
ffed7fef 1043#endif
663a0e37 1044
fe14fcc3 1045#ifdef I_SYS_TIME
85e6fe83 1046# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1047# define KERNEL
1048# endif
1049# include <sys/time.h>
85e6fe83 1050# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1051# undef KERNEL
1052# endif
a687059c 1053#endif
135863df 1054
55497cff 1055#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1056# include <sys/times.h>
d9d8d8de 1057#endif
8d063cd8 1058
fe14fcc3 1059#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1060# undef HAS_STRERROR
663a0e37
LW		 1061#endif
1062
1063#include <errno.h>
1e743fda 1064
acfe0abc 1065#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1066# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1067#endif
1068
8cfab5ff
JH		 1069/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1070 * This is important for using IPv6.
1071 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1072 * a bad idea since it breaks send() and recv(). */
1073#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1074# define _SOCKADDR_LEN
1075#endif
1076
8d3f517a 1077#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1078# include <sys/socket.h>
1079# if defined(USE_SOCKS) && defined(I_SOCKS)
1080# if !defined(INCLUDE_PROTOTYPES)
1081# define INCLUDE_PROTOTYPES /* for <socks.h> */
1082# define PERL_SOCKS_NEED_PROTOTYPES
1083# endif
1084# include <socks.h>
1085# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1086# undef INCLUDE_PROTOTYPES
1087# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1088# endif
d460ef45 1089# endif
1e743fda 1090# ifdef I_NETDB
2986a63f
JH		 1091# ifdef NETWARE
1092# include<stdio.h>
1093# endif
1e743fda
JH		 1094# include <netdb.h>
1095# endif
1096# ifndef ENOTSOCK
1097# ifdef I_NET_ERRNO
1098# include <net/errno.h>
1099# endif
1100# endif
1101#endif
1102
fa0a29af 1103/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1104 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1105 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1106#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1107# if defined(__THROW) && defined(__GLIBC__)
1108int sockatmark(int) __THROW;
1109# else
2ef53570 1110int sockatmark(int);
29820b6d 1111# endif
2ef53570
JH		 1112#endif
1113
1e743fda
JH		 1114#ifdef SETERRNO
1115# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1116#endif
f86702cc 1117
1118#ifdef VMS
1119# define SETERRNO(errcode,vmserrcode) \
1120 STMT_START { \
1121 set_errno(errcode); \
1122 set_vaxc_errno(vmserrcode); \
1123 } STMT_END
93189314
JH		 1124# define LIB_INVARG LIB$_INVARG
1125# define RMS_DIR RMS$_DIR
1126# define RMS_FAC RMS$_FAC
1127# define RMS_FEX RMS$_FEX
1128# define RMS_FNF RMS$_FNF
1129# define RMS_IFI RMS$_IFI
1130# define RMS_ISI RMS$_ISI
1131# define RMS_PRV RMS$_PRV
1132# define SS_ACCVIO SS$_ACCVIO
1133# define SS_DEVOFFLINE SS$_DEVOFFLINE
1134# define SS_IVCHAN SS$_IVCHAN
1135# define SS_NORMAL SS$_NORMAL
748a9306 1136#else
aba27d88 1137# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1138# define LIB_INVARG 0
1139# define RMS_DIR 0
1140# define RMS_FAC 0
1141# define RMS_FEX 0
1142# define RMS_FNF 0
1143# define RMS_IFI 0
1144# define RMS_ISI 0
1145# define RMS_PRV 0
1146# define SS_ACCVIO 0
1147# define SS_DEVOFFLINE 0
1148# define SS_IVCHAN 0
1149# define SS_NORMAL 0
748a9306 1150#endif
ed6116ce 1151
3db8f154 1152#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1153/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1154#define DEFSV GvSVn(PL_defgv)
3db8f154 1155#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1156
98eae8f5
GS		 1157#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1158
55497cff 1159#ifndef errno
5ff3f7a4
GS		 1160 extern int errno; /* ANSI allows errno to be an lvalue expr.
1161 * For example in multithreaded environments
1162 * something like this might happen:
1163 * extern int *_errno(void);
1164 * #define errno (*_errno()) */
d9d8d8de 1165#endif
663a0e37 1166
2304df62 1167#ifdef HAS_STRERROR
a0d0e21e 1168# ifdef VMS
20ce7b12 1169 char *strerror (int,...);
a0d0e21e 1170# else
68dc0745 1171#ifndef DONT_DECLARE_STD
20ce7b12 1172 char *strerror (int);
68dc0745 1173#endif
a0d0e21e 1174# endif
2304df62
AD		 1175# ifndef Strerror
1176# define Strerror strerror
1177# endif
1178#else
1179# ifdef HAS_SYS_ERRLIST
79072805
LW		 1180 extern int sys_nerr;
1181 extern char *sys_errlist[];
2304df62
AD		 1182# ifndef Strerror
1183# define Strerror(e) \
79072805 1184 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1185# endif
79072805 1186# endif
35c8bce7 1187#endif
663a0e37 1188
2304df62 1189#ifdef I_SYS_IOCTL
79072805
LW		 1190# ifndef _IOCTL_
1191# include <sys/ioctl.h>
1192# endif
a687059c
LW		 1193#endif
1194
ee0007ab 1195#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1196# ifdef HAS_SOCKETPAIR
1197# undef HAS_SOCKETPAIR
1198# endif
2304df62
AD		 1199# ifdef I_NDBM
1200# undef I_NDBM
79072805 1201# endif
a687059c
LW		 1202#endif
1203
02fc2eee
NC		 1204#ifndef HAS_SOCKETPAIR
1205# ifdef HAS_SOCKET
1206# define socketpair Perl_my_socketpair
1207# endif
1208#endif
1209
a687059c 1210#if INTSIZE == 2
79072805
LW		 1211# define htoni htons
1212# define ntohi ntohs
a687059c 1213#else
79072805
LW		 1214# define htoni htonl
1215# define ntohi ntohl
a687059c
LW		 1216#endif
1217
a0d0e21e 1218/* Configure already sets Direntry_t */
35c8bce7 1219#if defined(I_DIRENT)
663a0e37 1220# include <dirent.h>
8f1f23e8
W		 1221 /* NeXT needs dirent + sys/dir.h */
1222# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1223# include <sys/dir.h>
1224# endif
ae986130 1225#else
fe14fcc3 1226# ifdef I_SYS_NDIR
79a0689e 1227# include <sys/ndir.h>
663a0e37 1228# else
fe14fcc3 1229# ifdef I_SYS_DIR
79a0689e
LW		 1230# ifdef hp9000s500
1231# include <ndir.h> /* may be wrong in the future */
1232# else
1233# include <sys/dir.h>
1234# endif
663a0e37
LW		 1235# endif
1236# endif
4633a7c4 1237#endif
a687059c 1238
12ae5dfc
JH		 1239#ifdef PERL_MICRO
1240# ifndef DIR
1241# define DIR void
1242# endif
1243#endif
1244
352d5a3a
LW		 1245#ifdef FPUTS_BOTCH
1246/* work around botch in SunOS 4.0.1 and 4.0.2 */
1247# ifndef fputs
79072805 1248# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1249# endif
1250#endif
1251
c623bd54
LW		 1252/*
1253 * The following gobbledygook brought to you on behalf of __STDC__.
1254 * (I could just use #ifndef __STDC__, but this is more bulletproof
1255 * in the face of half-implementations.)
1256 */
1257
7114a2d2 1258#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1259#include <sys/mode.h>
1260#endif
1261
c623bd54
LW		 1262#ifndef S_IFMT
1263# ifdef _S_IFMT
1264# define S_IFMT _S_IFMT
1265# else
1266# define S_IFMT 0170000
1267# endif
1268#endif
1269
1270#ifndef S_ISDIR
1271# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1272#endif
1273
1274#ifndef S_ISCHR
1275# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1276#endif
1277
1278#ifndef S_ISBLK
fe14fcc3
LW		 1279# ifdef S_IFBLK
1280# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1281# else
1282# define S_ISBLK(m) (0)
1283# endif
c623bd54
LW		 1284#endif
1285
1286#ifndef S_ISREG
1287# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1288#endif
1289
1290#ifndef S_ISFIFO
fe14fcc3
LW		 1291# ifdef S_IFIFO
1292# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1293# else
1294# define S_ISFIFO(m) (0)
1295# endif
c623bd54
LW		 1296#endif
1297
1298#ifndef S_ISLNK
1299# ifdef _S_ISLNK
1300# define S_ISLNK(m) _S_ISLNK(m)
1301# else
1302# ifdef _S_IFLNK
1303# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1304# else
1305# ifdef S_IFLNK
1306# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1307# else
1308# define S_ISLNK(m) (0)
1309# endif
1310# endif
1311# endif
1312#endif
1313
1314#ifndef S_ISSOCK
1315# ifdef _S_ISSOCK
1316# define S_ISSOCK(m) _S_ISSOCK(m)
1317# else
1318# ifdef _S_IFSOCK
1319# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1320# else
1321# ifdef S_IFSOCK
1322# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1323# else
1324# define S_ISSOCK(m) (0)
1325# endif
1326# endif
1327# endif
1328#endif
1329
1330#ifndef S_IRUSR
1331# ifdef S_IREAD
1332# define S_IRUSR S_IREAD
1333# define S_IWUSR S_IWRITE
1334# define S_IXUSR S_IEXEC
1335# else
1336# define S_IRUSR 0400
1337# define S_IWUSR 0200
1338# define S_IXUSR 0100
1339# endif
fac7cdfc
JS		 1340#endif
1341
1342#ifndef S_IRGRP
1343# ifdef S_IRUSR
1344# define S_IRGRP (S_IRUSR>>3)
1345# define S_IWGRP (S_IWUSR>>3)
1346# define S_IXGRP (S_IXUSR>>3)
1347# else
1348# define S_IRGRP 0040
1349# define S_IWGRP 0020
1350# define S_IXGRP 0010
1351# endif
1352#endif
1353
1354#ifndef S_IROTH
1355# ifdef S_IRUSR
1356# define S_IROTH (S_IRUSR>>6)
1357# define S_IWOTH (S_IWUSR>>6)
1358# define S_IXOTH (S_IXUSR>>6)
1359# else
1360# define S_IROTH 0040
1361# define S_IWOTH 0020
1362# define S_IXOTH 0010
1363# endif
c623bd54
LW		 1364#endif
1365
1366#ifndef S_ISUID
1367# define S_ISUID 04000
1368#endif
1369
1370#ifndef S_ISGID
1371# define S_ISGID 02000
1372#endif
1373
ca6e1c26
JH		 1374#ifndef S_IRWXU
1375# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1376#endif
ca6e1c26
JH		 1377
1378#ifndef S_IRWXG
1379# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1380#endif
ca6e1c26
JH		 1381
1382#ifndef S_IRWXO
1383# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1384#endif
ca6e1c26 1385
c21fb2b8
JH		 1386/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1387 * which would get included through <sys/file.h >, but that is 3000
1388 * lines in the future. --jhi */
1389
1390#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1391# define S_IREAD S_IRUSR
1392#endif
1393
c21fb2b8 1394#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1395# define S_IWRITE S_IWUSR
1396#endif
1397
1398#ifndef S_IEXEC
1399# define S_IEXEC S_IXUSR
1400#endif
1401
79072805
LW		 1402#ifdef ff_next
1403# undef ff_next
352d5a3a
LW		 1404#endif
1405
a0d0e21e 1406#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1407# define SLOPPYDIVIDE
1408#endif
1409
748a9306
LW		 1410#ifdef UV
1411#undef UV
1412#endif
1413
c89df6bf
JH		 1414#ifdef SPRINTF_E_BUG
1415# define sprintf UTS_sprintf_wrap
1416#endif
1417
ce582cee
NC		 1418/* For the times when you want the return value of sprintf, and you want it
1419 to be the length. Can't have a thread variable passed in, because C89 has
1420 no varargs macros.
1421*/
1422#ifdef SPRINTF_RETURNS_STRLEN
1423# define my_sprintf sprintf
1424#else
1425# define my_sprintf Perl_my_sprintf
1426#endif
1427
c495e728
JH		 1428/* Configure gets this right but the UTS compiler gets it wrong.
1429 -- Hal Morris <hom00@utsglobal.com> */
1430#ifdef UTS
1431# undef UVTYPE
1432# define UVTYPE unsigned
1433#endif
1434
05f13f53 1435/*
27d4fb96 1436 The IV type is supposed to be long enough to hold any integral
1437 value or a pointer.
1438 --Andy Dougherty August 1996
1439*/
1440
a22e52b9
JH		 1441typedef IVTYPE IV;
1442typedef UVTYPE UV;
8175356b 1443
10cc9d2a 1444#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1445# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1446# define IV_MAX INT64_MAX
1447# define IV_MIN INT64_MIN
1448# define UV_MAX UINT64_MAX
cae7ae48
JH		 1449# ifndef UINT64_MIN
1450# define UINT64_MIN 0
1451# endif
5ff3f7a4
GS		 1452# define UV_MIN UINT64_MIN
1453# else
1454# define IV_MAX PERL_QUAD_MAX
1455# define IV_MIN PERL_QUAD_MIN
1456# define UV_MAX PERL_UQUAD_MAX
1457# define UV_MIN PERL_UQUAD_MIN
1458# endif
cf2093f6
JH		 1459# define IV_IS_QUAD
1460# define UV_IS_QUAD
79072805 1461#else
8175356b 1462# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1463# define IV_MAX INT32_MAX
1464# define IV_MIN INT32_MIN
716026f9
DL		 1465# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1466# define UV_MAX UINT32_MAX
1467# else
1468# define UV_MAX 4294967295U
1469# endif
cae7ae48
JH		 1470# ifndef UINT32_MIN
1471# define UINT32_MIN 0
1472# endif
5ff3f7a4
GS		 1473# define UV_MIN UINT32_MIN
1474# else
1475# define IV_MAX PERL_LONG_MAX
1476# define IV_MIN PERL_LONG_MIN
1477# define UV_MAX PERL_ULONG_MAX
1478# define UV_MIN PERL_ULONG_MIN
1479# endif
8175356b 1480# if IVSIZE == 8
cf2093f6
JH		 1481# define IV_IS_QUAD
1482# define UV_IS_QUAD
de1c2614
JH		 1483# ifndef HAS_QUAD
1484# define HAS_QUAD
1485# endif
cf2093f6
JH		 1486# else
1487# undef IV_IS_QUAD
1488# undef UV_IS_QUAD
de1c2614 1489# undef HAS_QUAD
cf2093f6 1490# endif
79072805 1491#endif
d7d93a81 1492
1109a392
MHM		 1493#ifndef HAS_QUAD
1494# undef PERL_NEED_MY_HTOLE64
1495# undef PERL_NEED_MY_LETOH64
1496# undef PERL_NEED_MY_HTOBE64
1497# undef PERL_NEED_MY_BETOH64
1498#endif
1499
6cde8aec 1500#if defined(uts) || defined(UTS)
11afe549
HM		 1501# undef UV_MAX
1502# define UV_MAX (4294967295u)
20601011
JH		 1503#endif
1504
cae7ae48 1505#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1506#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1507
28e5dec8 1508#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1509#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1510#endif
1511
d460ef45 1512/*
26bb67e2
JH		 1513 * The macros INT2PTR and NUM2PTR are (despite their names)
1514 * bi-directional: they will convert int/float to or from pointers.
1515 * However the conversion to int/float are named explicitly:
1516 * PTR2IV, PTR2UV, PTR2NV.
1517 *
1518 * For int conversions we do not need two casts if pointers are
1519 * the same size as IV and UV. Otherwise we need an explicit
1520 * cast (PTRV) to avoid compiler warnings.
1521 */
56431972
RB		 1522#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1523# define PTRV UV
1524# define INT2PTR(any,d) (any)(d)
1525#else
d460ef45 1526# if PTRSIZE == LONGSIZE
56431972 1527# define PTRV unsigned long
e91e3b10 1528# define PTR2ul(p) (unsigned long)(p)
42718184 1529# else
56431972 1530# define PTRV unsigned
42718184 1531# endif
e91e3b10
RB		 1532#endif
1533
1534#ifndef INT2PTR
56431972 1535# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1536#endif
e91e3b10
RB		 1537
1538#ifndef PTR2ul
1539# define PTR2ul(p) INT2PTR(unsigned long,p)
1540#endif
1541
56431972
RB		 1542#define NUM2PTR(any,d) (any)(PTRV)(d)
1543#define PTR2IV(p) INT2PTR(IV,p)
1544#define PTR2UV(p) INT2PTR(UV,p)
1545#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1546#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1547
8141890a
JH		 1548/* According to strict ANSI C89 one cannot freely cast between
1549 * data pointers and function (code) pointers. There are at least
1550 * two ways around this. One (used below) is to do two casts,
1551 * first the other pointer to an (unsigned) integer, and then
1552 * the integer to the other pointer. The other way would be
1553 * to use unions to "overlay" the pointers. For an example of
1554 * the latter technique, see union dirpu in struct xpvio in sv.h.
1555 * The only feasible use is probably temporarily storing
1556 * function pointers in a data pointer (such as a void pointer). */
1557
e91e3b10
RB		 1558#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1559#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1560
65202027 1561#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1562# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1563# define LONG_DOUBLE_EQUALS_DOUBLE
1564# endif
68d4903c 1565# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1566# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1567# endif
1568#endif
1569
2d4389e4
JH		 1570#ifdef OVR_DBL_DIG
1571/* Use an overridden DBL_DIG */
1572# ifdef DBL_DIG
1573# undef DBL_DIG
1574# endif
1575# define DBL_DIG OVR_DBL_DIG
1576#else
1577/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1578 default value for printing floating point numbers in Gconvert
1579 (see config.h). (It also has other uses, such as figuring out if
1580 a given precision of printing can be done with a double instead of
1581 a long double - Allen).
2d4389e4
JH		 1582*/
1583#ifdef I_LIMITS
1584#include <limits.h>
1585#endif
1586#ifdef I_FLOAT
1587#include <float.h>
1588#endif
1589#ifndef HAS_DBL_DIG
1590#define DBL_DIG 15 /* A guess that works lots of places */
1591#endif
1592#endif
cbca01e1
JH		 1593#ifdef I_FLOAT
1594#include <float.h>
1595#endif
1596#ifndef HAS_DBL_DIG
1597#define DBL_DIG 15 /* A guess that works lots of places */
1598#endif
2d4389e4
JH		 1599
1600#ifdef OVR_LDBL_DIG
1601/* Use an overridden LDBL_DIG */
1602# ifdef LDBL_DIG
1603# undef LDBL_DIG
1604# endif
1605# define LDBL_DIG OVR_LDBL_DIG
1606#else
1607/* The following is all to get LDBL_DIG, in order to pick a nice
1608 default value for printing floating point numbers in Gconvert.
1609 (see config.h)
1610*/
68d4903c
JH		 1611# ifdef I_LIMITS
1612# include <limits.h>
1613# endif
1614# ifdef I_FLOAT
1615# include <float.h>
1616# endif
1617# ifndef HAS_LDBL_DIG
1618# if LONG_DOUBLESIZE == 10
1619# define LDBL_DIG 18 /* assume IEEE */
1620# else
1621# if LONG_DOUBLESIZE == 12
1622# define LDBL_DIG 18 /* gcc? */
1623# else
1624# if LONG_DOUBLESIZE == 16
1625# define LDBL_DIG 33 /* assume IEEE */
1626# else
1627# if LONG_DOUBLESIZE == DOUBLESIZE
1628# define LDBL_DIG DBL_DIG /* bummer */
1629# endif
1630# endif
1631# endif
1632# endif
1633# endif
2d4389e4
JH		 1634#endif
1635
20f6aaab
AS		 1636/*
1637 * This is for making sure we have a good DBL_MAX value, if possible,
1638 * either for usage as NV_MAX or for usage in figuring out if we can
1639 * fit a given long double into a double, if bug-fixing makes it
1640 * necessary to do so. - Allen <allens@cpan.org>
1641 */
1642
205f51d8
AS		 1643#ifdef I_LIMITS
1644# include <limits.h>
20f6aaab
AS		 1645#endif
1646
205f51d8
AS		 1647#ifdef I_VALUES
1648# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1649# include <values.h>
1650# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1651# define DBL_MAX MAXDOUBLE
1652# endif
1653# if defined(MINDOUBLE) && !defined(DBL_MIN)
1654# define DBL_MIN MINDOUBLE
1655# endif
1656# endif
1657#endif /* defined(I_VALUES) */
1658
a22e52b9 1659typedef NVTYPE NV;
8175356b 1660
792d8dab
JH		 1661#ifdef I_IEEEFP
1662# include <ieeefp.h>
1663#endif
923fc586 1664
65202027 1665#ifdef USE_LONG_DOUBLE
923fc586
JH		 1666# ifdef I_SUNMATH
1667# include <sunmath.h>
1668# endif
2d4389e4 1669# define NV_DIG LDBL_DIG
d6c14000
JH		 1670# ifdef LDBL_MANT_DIG
1671# define NV_MANT_DIG LDBL_MANT_DIG
1672# endif
06fc1729
JH		 1673# ifdef LDBL_MIN
1674# define NV_MIN LDBL_MIN
1675# endif
1676# ifdef LDBL_MAX
1677# define NV_MAX LDBL_MAX
1678# endif
1679# ifdef LDBL_MIN_10_EXP
1680# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1681# endif
1682# ifdef LDBL_MAX_10_EXP
1683# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1684# endif
1685# ifdef LDBL_EPSILON
1686# define NV_EPSILON LDBL_EPSILON
1687# endif
f4a14a62
JH		 1688# ifdef LDBL_MAX
1689# define NV_MAX LDBL_MAX
20f6aaab 1690/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1691# else
1692# ifdef HUGE_VALL
1693# define NV_MAX HUGE_VALL
1694# else
1695# ifdef HUGE_VAL
1696# define NV_MAX ((NV)HUGE_VAL)
1697# endif
1698# endif
1699# endif
68d4903c 1700# ifdef HAS_SQRTL
68d4903c
JH		 1701# define Perl_cos cosl
1702# define Perl_sin sinl
1703# define Perl_sqrt sqrtl
1704# define Perl_exp expl
1705# define Perl_log logl
1706# define Perl_atan2 atan2l
1707# define Perl_pow powl
1708# define Perl_floor floorl
1bbae031 1709# define Perl_ceil ceill
68d4903c
JH		 1710# define Perl_fmod fmodl
1711# endif
a3540c92
JH		 1712/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1713# ifdef HAS_MODFL
1714# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1715/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1716 prototype in <math.h> */
1717# ifndef HAS_MODFL_PROTO
a221a8a5 1718EXTERN_C long double modfl(long double, long double *);
51997bc3 1719# endif
03476e8e
JH		 1720# else
1721# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1722 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1723# define Perl_modf(x,y) Perl_my_modfl(x,y)
1724# endif
a3540c92
JH		 1725# endif
1726# ifdef HAS_FREXPL
dff3e0b8 1727# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1728# else
1729# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1730 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1731# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1732# endif
a3540c92 1733# endif
38dbb4c5 1734# ifndef Perl_isnan
758a5d79
JH		 1735# ifdef HAS_ISNANL
1736# define Perl_isnan(x) isnanl(x)
1737# endif
1738# endif
1739# ifndef Perl_isinf
1740# ifdef HAS_FINITEL
1741# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1742# endif
1743# endif
65202027 1744#else
2d4389e4 1745# define NV_DIG DBL_DIG
d6c14000
JH		 1746# ifdef DBL_MANT_DIG
1747# define NV_MANT_DIG DBL_MANT_DIG
1748# endif
06fc1729
JH		 1749# ifdef DBL_MIN
1750# define NV_MIN DBL_MIN
1751# endif
1752# ifdef DBL_MAX
1753# define NV_MAX DBL_MAX
1754# endif
1755# ifdef DBL_MIN_10_EXP
1756# define NV_MIN_10_EXP DBL_MIN_10_EXP
1757# endif
1758# ifdef DBL_MAX_10_EXP
1759# define NV_MAX_10_EXP DBL_MAX_10_EXP
1760# endif
1761# ifdef DBL_EPSILON
1762# define NV_EPSILON DBL_EPSILON
1763# endif
205f51d8 1764# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1765# define NV_MAX DBL_MAX
1766# define NV_MIN DBL_MIN
1767# else
1768# ifdef HUGE_VAL
1769# define NV_MAX HUGE_VAL
1770# endif
1771# endif
65202027
DS		 1772# define Perl_cos cos
1773# define Perl_sin sin
1774# define Perl_sqrt sqrt
1775# define Perl_exp exp
1776# define Perl_log log
1777# define Perl_atan2 atan2
1778# define Perl_pow pow
1779# define Perl_floor floor
1bbae031 1780# define Perl_ceil ceil
65202027 1781# define Perl_fmod fmod
a3540c92 1782# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1783# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1784#endif
1785
1786/* rumor has it that Win32 has _fpclass() */
1787
205f51d8
AS		 1788/* SGI has fpclassl... but not with the same result values,
1789 * and it's via a typedef (not via #define), so will need to redo Configure
1790 * to use. Not worth the trouble, IMO, at least until the below is used
1791 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1792 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1793 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1794
758a5d79
JH		 1795#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1796# ifdef I_IEEFP
1797# include <ieeefp.h>
1798# endif
1799# ifdef I_FP
1800# include <fp.h>
1801# endif
1802# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1803# define Perl_fp_class() fpclassl(x)
1804# else
1805# define Perl_fp_class() fpclass(x)
1806# endif
1807# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1808# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1809# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1810# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1811# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1812# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1813# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1814# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1815# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1816# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1817# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1818# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1819# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1820# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1821# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1822#endif
1823
7114a2d2 1824#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1825# include <math.h>
1826# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1827# include <fp_class.h>
1828# endif
1829# define Perl_fp_class(x) fp_class(x)
1830# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1831# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1832# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1833# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1834# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1835# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1836# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1837# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1838# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1839# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1840# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1841# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1842# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1843# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1844# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1845#endif
1846
1847#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1848# include <math.h>
1849# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1850# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1851# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1852# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1853# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1854# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1855#endif
1856
1857#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1858# include <math.h>
1859# ifndef _cplusplus
1860# define Perl_fp_class(x) class(x)
1861# else
1862# define Perl_fp_class(x) _class(x)
1863# endif
1864# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1865# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1866# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1867# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1868# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1869# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1870# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1871# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1872# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1873# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1874# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1875# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1876# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1877# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1878# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1879#endif
1880
1881/* rumor has it that Win32 has _isnan() */
1882
1883#ifndef Perl_isnan
a3540c92 1884# ifdef HAS_ISNAN
758a5d79
JH		 1885# define Perl_isnan(x) isnan((NV)x)
1886# else
1887# ifdef Perl_fp_class_nan
1888# define Perl_isnan(x) Perl_fp_class_nan(x)
1889# else
1890# ifdef HAS_UNORDERED
1891# define Perl_isnan(x) unordered((x), 0.0)
1892# else
1893# define Perl_isnan(x) ((x)!=(x))
1894# endif
1895# endif
1896# endif
1897#endif
1898
ca6c63e1
JH		 1899#ifdef UNDER_CE
1900int isnan(double d);
1901#endif
1902
758a5d79
JH		 1903#ifndef Perl_isinf
1904# ifdef HAS_ISINF
1905# define Perl_isinf(x) isinf((NV)x)
a3540c92 1906# else
758a5d79
JH		 1907# ifdef Perl_fp_class_inf
1908# define Perl_isinf(x) Perl_fp_class_inf(x)
1909# else
1910# define Perl_isinf(x) ((x)==NV_INF)
1911# endif
1912# endif
1913#endif
1914
1915#ifndef Perl_isfinite
1916# ifdef HAS_FINITE
1917# define Perl_isfinite(x) finite((NV)x)
1918# else
1919# ifdef HAS_ISFINITE
1920# define Perl_isfinite(x) isfinite(x)
1921# else
1922# ifdef Perl_fp_class_finite
1923# define Perl_isfinite(x) Perl_fp_class_finite(x)
1924# else
1925# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1926# endif
1927# endif
a3540c92 1928# endif
65202027
DS		 1929#endif
1930
a36244b7
JH		 1931/* The default is to use Perl's own atof() implementation (in numeric.c).
1932 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1933 * it is however best to use the native implementation of atof.
1934 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1935 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1936 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1937 * you may need to be using a different function than atof! */
a36244b7
JH		 1938
1939#ifndef USE_PERL_ATOF
1940# ifndef _UNICOS
1941# define USE_PERL_ATOF
1942# endif
1943#else
1944# if USE_PERL_ATOF == 0
1945# undef USE_PERL_ATOF
1946# endif
1947#endif
1948
1949#ifdef USE_PERL_ATOF
1950# define Perl_atof(s) Perl_my_atof(s)
1951# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1952#else
1953# define Perl_atof(s) (NV)atof(s)
1954# define Perl_atof2(s, n) ((n) = atof(s))
1955#endif
cf2093f6 1956
d460ef45 1957/* Previously these definitions used hardcoded figures.
760ac839
LW		 1958 * It is hoped these formula are more portable, although
1959 * no data one way or another is presently known to me.
1960 * The "PERL_" names are used because these calculated constants
1961 * do not meet the ANSI requirements for LONG_MAX, etc., which
1962 * need to be constants acceptable to #if - kja
1963 * define PERL_LONG_MAX 2147483647L
1964 * define PERL_LONG_MIN (-LONG_MAX - 1)
1965 * define PERL ULONG_MAX 4294967295L
1966 */
1967
1968#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1969# include <limits.h>
760ac839 1970#endif
205f51d8
AS		 1971/* Included values.h above if necessary; still including limits.h down here,
1972 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1973
99abf803 1974/*
1975 * Try to figure out max and min values for the integral types. THE CORRECT
1976 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1977 * following hacks are used if neither limits.h or values.h provide them:
1978 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1979 * for types < int: (unsigned TYPE)~(unsigned)0
1980 * The argument to ~ must be unsigned so that later signed->unsigned
1981 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1982 * and it must not be smaller than int because ~ does integral promotion.
1983 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1984 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1985 * The latter is a hack which happens to work on some machines but
1986 * does *not* catch any random system, or things like integer types
1987 * with NaN if that is possible.
1988 *
1989 * All of the types are explicitly cast to prevent accidental loss of
1990 * numeric range, and in the hope that they will be less likely to confuse
1991 * over-eager optimizers.
1992 *
1993 */
27d4fb96 1994
99abf803 1995#define PERL_UCHAR_MIN ((unsigned char)0)
1996
1997#ifdef UCHAR_MAX
1998# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1999#else
99abf803 2000# ifdef MAXUCHAR
2001# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 2002# else
99abf803 2003# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 2004# endif
2005#endif
d460ef45 2006
99abf803 2007/*
2008 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2009 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2010 * depending on local options. Until Configure detects this (or at least
2011 * detects whether the "signed" keyword is available) the CHAR ranges
2012 * will not be included. UCHAR functions normally.
2013 * - kja
2014 */
27d4fb96 2015
99abf803 2016#define PERL_USHORT_MIN ((unsigned short)0)
2017
2018#ifdef USHORT_MAX
2019# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2020#else
99abf803 2021# ifdef MAXUSHORT
2022# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2023# else
ef2f54b0
CB		 2024# ifdef USHRT_MAX
2025# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2026# else
2027# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2028# endif
27d4fb96 2029# endif
2030#endif
2031
27d4fb96 2032#ifdef SHORT_MAX
99abf803 2033# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2034#else
2035# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2036# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2037# else
ef2f54b0
CB		 2038# ifdef SHRT_MAX
2039# define PERL_SHORT_MAX ((short)SHRT_MAX)
2040# else
2041# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2042# endif
27d4fb96 2043# endif
2044#endif
2045
2046#ifdef SHORT_MIN
99abf803 2047# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2048#else
2049# ifdef MINSHORT
99abf803 2050# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2051# else
ef2f54b0
CB		 2052# ifdef SHRT_MIN
2053# define PERL_SHORT_MIN ((short)SHRT_MIN)
2054# else
2055# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2056# endif
27d4fb96 2057# endif
2058#endif
2059
99abf803 2060#ifdef UINT_MAX
2061# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2062#else
99abf803 2063# ifdef MAXUINT
2064# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2065# else
99abf803 2066# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2067# endif
2068#endif
2069
99abf803 2070#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2071
2072#ifdef INT_MAX
99abf803 2073# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2074#else
2075# ifdef MAXINT /* Often used in <values.h> */
99abf803 2076# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2077# else
99abf803 2078# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2079# endif
2080#endif
2081
2082#ifdef INT_MIN
99abf803 2083# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2084#else
2085# ifdef MININT
99abf803 2086# define PERL_INT_MIN ((int)MININT)
27d4fb96 2087# else
2088# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2089# endif
2090#endif
2091
99abf803 2092#ifdef ULONG_MAX
2093# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2094#else
99abf803 2095# ifdef MAXULONG
2096# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2097# else
99abf803 2098# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2099# endif
2100#endif
2101
99abf803 2102#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2103
760ac839 2104#ifdef LONG_MAX
99abf803 2105# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2106#else
2107# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2108# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2109# else
99abf803 2110# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2111# endif
2112#endif
2113
2114#ifdef LONG_MIN
99abf803 2115# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2116#else
2117# ifdef MINLONG
99abf803 2118# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2119# else
27d4fb96 2120# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2121# endif
2122#endif
2123
d7d93a81 2124#ifdef UV_IS_QUAD
99abf803 2125
99abf803 2126# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2127# define PERL_UQUAD_MIN ((UV)0)
99abf803 2128# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2129# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2130
79072805
LW		 2131#endif
2132
22f7c9c9
JH		 2133#ifdef MYMALLOC
2134# include "malloc_ctl.h"
2135#endif
2136
830247a4 2137struct RExC_state_t;
880b20b6 2138
ee0007ab 2139typedef MEM_SIZE STRLEN;
450a55e4 2140
79072805
LW		 2141typedef struct op OP;
2142typedef struct cop COP;
2143typedef struct unop UNOP;
2144typedef struct binop BINOP;
2145typedef struct listop LISTOP;
2146typedef struct logop LOGOP;
79072805
LW		 2147typedef struct pmop PMOP;
2148typedef struct svop SVOP;
7934575e 2149typedef struct padop PADOP;
79072805 2150typedef struct pvop PVOP;
79072805
LW		 2151typedef struct loop LOOP;
2152
cd1541b2
NC		 2153typedef struct interpreter PerlInterpreter;
2154
d2b3f365
SS		 2155/* Amdahl's <ksync.h> has struct sv */
2156/* SGI's <sys/sema.h> has struct sv */
2157#if defined(UTS) || defined(__sgi)
2158# define STRUCT_SV perl_sv
b8d3c5db
JH		 2159#else
2160# define STRUCT_SV sv
2161#endif
2162typedef struct STRUCT_SV SV;
79072805
LW		 2163typedef struct av AV;
2164typedef struct hv HV;
2165typedef struct cv CV;
378cc40b 2166typedef struct regexp REGEXP;
79072805 2167typedef struct gp GP;
0c30d9ec 2168typedef struct gv GV;
8990e307 2169typedef struct io IO;
c09156bb 2170typedef struct context PERL_CONTEXT;
79072805
LW		 2171typedef struct block BLOCK;
2172
2173typedef struct magic MAGIC;
2174typedef struct xpv XPV;
2175typedef struct xpviv XPVIV;
ff68c719 2176typedef struct xpvuv XPVUV;
79072805
LW		 2177typedef struct xpvnv XPVNV;
2178typedef struct xpvmg XPVMG;
2179typedef struct xpvlv XPVLV;
2180typedef struct xpvav XPVAV;
2181typedef struct xpvhv XPVHV;
2182typedef struct xpvgv XPVGV;
2183typedef struct xpvcv XPVCV;
2184typedef struct xpvbm XPVBM;
2185typedef struct xpvfm XPVFM;
8990e307 2186typedef struct xpvio XPVIO;
79072805
LW		 2187typedef struct mgvtbl MGVTBL;
2188typedef union any ANY;
5f7fde29
GS		 2189typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2190typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2191typedef struct clone_params CLONE_PARAMS;
2192
378cc40b 2193#include "handy.h"
a0d0e21e 2194
6b8eaf93 2195#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2196# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2197# define USE_64_BIT_RAWIO /* implicit */
2198# endif
4564133c
JH		 2199#endif
2200
6b8eaf93
JH		 2201/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2202 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2203 * however, because operating systems like to do that themself. */
2204#ifndef FSEEKSIZE
2205# ifdef HAS_FSEEKO
2206# define FSEEKSIZE LSEEKSIZE
2207# else
2208# define FSEEKSIZE LONGSIZE
d460ef45 2209# endif
6b8eaf93
JH		 2210#endif
2211
2212#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2213# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2214# define USE_64_BIT_STDIO /* implicit */
2215# endif
2216#endif
4564133c 2217
09458382 2218#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2219# ifdef HAS_OFF64_T
2220# undef Off_t
2221# define Off_t off64_t
2222# undef LSEEKSIZE
2223# define LSEEKSIZE 8
5ff3f7a4 2224# endif
d9b3e12d
JH		 2225/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2226 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2227 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2228# if defined(USE_OPEN64)
2229# define open open64
5ff3f7a4 2230# endif
d9b3e12d
JH		 2231# if defined(USE_LSEEK64)
2232# define lseek lseek64
6b8eaf93
JH		 2233# else
2234# if defined(USE_LLSEEK)
2235# define lseek llseek
2236# endif
d9b3e12d
JH		 2237# endif
2238# if defined(USE_STAT64)
2239# define stat stat64
2240# endif
2241# if defined(USE_FSTAT64)
2242# define fstat fstat64
2243# endif
2244# if defined(USE_LSTAT64)
2245# define lstat lstat64
2246# endif
2247# if defined(USE_FLOCK64)
2248# define flock flock64
2249# endif
2250# if defined(USE_LOCKF64)
2251# define lockf lockf64
2252# endif
2253# if defined(USE_FCNTL64)
2254# define fcntl fcntl64
2255# endif
2256# if defined(USE_TRUNCATE64)
2257# define truncate truncate64
2258# endif
2259# if defined(USE_FTRUNCATE64)
2260# define ftruncate ftruncate64
2261# endif
2262#endif
2263
2264#ifdef USE_64_BIT_STDIO
2265# ifdef HAS_FPOS64_T
2266# undef Fpos_t
2267# define Fpos_t fpos64_t
2268# endif
2269/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2270 * will trigger defines like the ones below. Some 64-bit environments,
2271 * however, do not. */
2272# if defined(USE_FOPEN64)
2273# define fopen fopen64
2274# endif
2275# if defined(USE_FSEEK64)
6b8eaf93 2276# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2277# endif
2278# if defined(USE_FTELL64)
6b8eaf93 2279# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2280# endif
2281# if defined(USE_FSETPOS64)
2282# define fsetpos fsetpos64
2283# endif
2284# if defined(USE_FGETPOS64)
2285# define fgetpos fgetpos64
2286# endif
2287# if defined(USE_TMPFILE64)
2288# define tmpfile tmpfile64
2289# endif
2290# if defined(USE_FREOPEN64)
2291# define freopen freopen64
5ff3f7a4
GS		 2292# endif
2293#endif
2294
af8b425d 2295#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2296# include "iperlsys.h"
2297#endif
2298
6f71a643 2299#if defined(__OPEN_VM)
19848b3f
JH		 2300# include "vmesa/vmesaish.h"
2301# define ISHISH "vmesa"
6f71a643
JH		 2302#endif
2303
748a9306 2304#ifdef DOSISH
19848b3f
JH		 2305# if defined(OS2)
2306# include "os2ish.h"
2307# else
2308# include "dosish.h"
2309# endif
2310# define ISHISH "dos"
2311#endif
2312
2313#if defined(VMS)
748a9306 2314# include "vmsish.h"
96e176bf 2315# include "embed.h"
19848b3f
JH		 2316# define ISHISH "vms"
2317#endif
2318
2319#if defined(PLAN9)
2320# include "./plan9/plan9ish.h"
2321# define ISHISH "plan9"
2322#endif
2323
2324#if defined(MPE)
2325# include "mpeix/mpeixish.h"
2326# define ISHISH "mpeix"
2327#endif
2328
2329#if defined(__VOS__)
196918b0
PG		 2330# ifdef __GNUC__
2331# include "./vos/vosish.h"
2332# else
2333# include "vos/vosish.h"
2334# endif
19848b3f
JH		 2335# define ISHISH "vos"
2336#endif
2337
2338#if defined(EPOC)
2339# include "epocish.h"
2340# define ISHISH "epoc"
2341#endif
2342
9969cdde 2343#ifdef __SYMBIAN32__
27da23d5
JH		 2344# include "symbian/symbianish.h"
2345# include "embed.h"
2346# define ISHISH "symbian"
2347#endif
2348
19848b3f
JH		 2349#if defined(MACOS_TRADITIONAL)
2350# include "macos/macish.h"
2351# ifndef NO_ENVIRON_ARRAY
2352# define NO_ENVIRON_ARRAY
0c30d9ec 2353# endif
19848b3f
JH		 2354# define ISHISH "macos classic"
2355#endif
2356
efca5cc6
JH		 2357#if defined(__BEOS__)
2358# include "beos/beosish.h"
2359# define ISHISH "beos"
2360#endif
2361
19848b3f
JH		 2362#ifndef ISHISH
2363# include "unixish.h"
2364# define ISHISH "unix"
13b6e58c
JH		 2365#endif
2366
2946a158
JH		 2367/* NSIG logic from Configure --> */
2368/* Strange style to avoid deeply-nested #if/#else/#endif */
2369#ifndef NSIG
2370# ifdef _NSIG
2371# define NSIG (_NSIG)
2372# endif
2373#endif
2374
2375#ifndef NSIG
2376# ifdef SIGMAX
2377# define NSIG (SIGMAX+1)
2378# endif
2379#endif
2380
2381#ifndef NSIG
2382# ifdef SIG_MAX
2383# define NSIG (SIG_MAX+1)
2384# endif
2385#endif
2386
2387#ifndef NSIG
2388# ifdef _SIG_MAX
2389# define NSIG (_SIG_MAX+1)
2390# endif
2391#endif
2392
2393#ifndef NSIG
2394# ifdef MAXSIG
2395# define NSIG (MAXSIG+1)
2396# endif
2397#endif
2398
2399#ifndef NSIG
2400# ifdef MAX_SIG
2401# define NSIG (MAX_SIG+1)
2402# endif
2403#endif
2404
2405#ifndef NSIG
2406# ifdef SIGARRAYSIZE
2407# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2408# endif
2409#endif
2410
2411#ifndef NSIG
2412# ifdef _sys_nsig
2413# define NSIG (_sys_nsig) /* Solaris 2.5 */
2414# endif
2415#endif
2416
2417/* Default to some arbitrary number that's big enough to get most
2418 of the common signals.
2419*/
2420#ifndef NSIG
2421# define NSIG 50
2422#endif
2423/* <-- NSIG logic from Configure */
2424
13b6e58c
JH		 2425#ifndef NO_ENVIRON_ARRAY
2426# define USE_ENVIRON_ARRAY
2427#endif
32f822de 2428
c77b533b
JH		 2429/*
2430 * initialise to avoid floating-point exceptions from overflow, etc
2431 */
2432#ifndef PERL_FPU_INIT
2433# ifdef HAS_FPSETMASK
2434# if HAS_FLOATINGPOINT_H
2435# include <floatingpoint.h>
2436# endif
2437# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2438# else
2f42fcb0 2439# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2440# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2441# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2442# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2443# else
2444# define PERL_FPU_INIT
2f42fcb0 2445
7014c407 2446# endif
c77b533b
JH		 2447# endif
2448#endif
b35112e7
CS		 2449#ifndef PERL_FPU_PRE_EXEC
2450# define PERL_FPU_PRE_EXEC {
2451# define PERL_FPU_POST_EXEC }
2452#endif
c77b533b 2453
ed344e4f
IZ		 2454#ifndef PERL_SYS_INIT3
2455# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2456#endif
2457
be708cc0
JH		 2458#ifndef PERL_WRITE_MSG_TO_CONSOLE
2459# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2460#endif
2461
0f31cffe
GS		 2462#ifndef MAXPATHLEN
2463# ifdef PATH_MAX
b990c8b2
JH		 2464# ifdef _POSIX_PATH_MAX
2465# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2466/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2467 * included the null byte or not. Later amendments of POSIX,
2468 * XPG4, the Austin Group, and the Single UNIX Specification
2469 * all explicitly include the null byte in the PATH_MAX.
2470 * Ditto for _POSIX_PATH_MAX. */
2471# define MAXPATHLEN PATH_MAX
b990c8b2 2472# else
09448d78 2473# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2474# endif
2475# else
2476# define MAXPATHLEN (PATH_MAX+1)
2477# endif
0f31cffe 2478# else
b990c8b2 2479# ifdef _POSIX_PATH_MAX
09448d78 2480# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2481# else
2482# define MAXPATHLEN 1024 /* Err on the large side. */
2483# endif
0f31cffe
GS		 2484# endif
2485#endif
2486
c80263a8
SH		 2487/* In case Configure was not used (we are using a "canned config"
2488 * such as Win32, or a cross-compilation setup, for example) try going
2489 * by the gcc major and minor versions. One useful URL is
2490 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2491 * but contrary to this information warn_unused_result seems
2492 * not to be in gcc 3.3.5, at least. --jhi
2493 * Set these up now otherwise we get confused when some of the <*thread.h>
2494 * includes below indirectly pull in <perlio.h> (which needs to know if we
2495 * have HASATTRIBUTE_FORMAT).
2496 */
2497
fc2007d4 2498#if defined __GNUC__ && !defined(__INTEL_COMPILER)
c80263a8
SH		 2499# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2500# define HASATTRIBUTE_FORMAT
2501# endif
2502# if __GNUC__ >= 3 /* 3.0 -> */
2503# define HASATTRIBUTE_MALLOC
2504# endif
2505# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2506# define HASATTRIBUTE_NONNULL
2507# endif
2508# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2509# define HASATTRIBUTE_NORETURN
2510# endif
2511# if __GNUC__ >= 3 /* gcc 3.0 -> */
2512# define HASATTRIBUTE_PURE
2513# endif
2514# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2515# define HASATTRIBUTE_UNUSED
2516# endif
2517# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2518# define HASATTRIBUTE_WARN_UNUSED_RESULT
2519# endif
2520#endif
2521
3db8f154 2522/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2523 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2524 * this results in many functions being undeclared which bothers C++
2525 * May make sense to have threads after "*ish.h" anyway
2526 */
2527
3db8f154 2528#if defined(USE_ITHREADS)
2986a63f
JH		 2529# ifdef NETWARE
2530# include <nw5thread.h>
2531# else
32f822de
GS		 2532# ifdef FAKE_THREADS
2533# include "fakethr.h"
2534# else
2535# ifdef WIN32
2536# include <win32thread.h>
2537# else
dd96f567
IZ		 2538# ifdef OS2
2539# include "os2thread.h"
2540# else
7f3d1cf1 2541# ifdef I_MACH_CTHREADS
bdd66968 2542# include <mach/cthreads.h>
8f1f23e8 2543# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2544# define MUTEX_INIT_CALLS_MALLOC
2545# endif
7f3d1cf1
BH		 2546typedef cthread_t perl_os_thread;
2547typedef mutex_t perl_mutex;
2548typedef condition_t perl_cond;
2549typedef void * perl_key;
2550# else /* Posix threads */
1f5ae88c
JH		 2551# ifdef I_PTHREAD
2552# include <pthread.h>
2553# endif
7f3d1cf1
BH		 2554typedef pthread_t perl_os_thread;
2555typedef pthread_mutex_t perl_mutex;
2556typedef pthread_cond_t perl_cond;
2557typedef pthread_key_t perl_key;
2558# endif /* I_MACH_CTHREADS */
dd96f567 2559# endif /* OS2 */
32f822de
GS		 2560# endif /* WIN32 */
2561# endif /* FAKE_THREADS */
2986a63f 2562#endif /* NETWARE */
3db8f154 2563#endif /* USE_ITHREADS */
c5be433b 2564
66a93824 2565#if defined(WIN32)
1feb2720 2566# include "win32.h"
c5be433b
GS		 2567#endif
2568
2986a63f
JH		 2569#ifdef NETWARE
2570# include "netware.h"
2571#endif
2572
e5218da5 2573#define STATUS_UNIX PL_statusvalue
68dc0745 2574#ifdef VMS
6b88bc9c 2575# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2576/*
2577 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
ff7298cb 2578 * its contents can not be trusted. Unfortunately, Perl seems to check
7a7fd8e0
JM		 2579 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2580 * be updated also.
2581 */
2582# include <stsdef.h>
2583# include <ssdef.h>
2584/* Presume this because if VMS changes it, it will require a new
2585 * set of APIs for waiting on children for binary compatibility.
2586 */
2587# define child_offset_bits (8)
2588# ifndef C_FAC_POSIX
2589# define C_FAC_POSIX 0x35A000
2590# endif
2591
2592/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2593 * platform from the existing UNIX or Native status values.
2594 */
2595
37038d91 2596# define STATUS_EXIT \
7a7fd8e0
JM		 2597 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2598 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2599
7a7fd8e0 2600
fb38d079
JM		 2601/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2602 * exit code and shifts the UNIX value over the correct number of bits to
2603 * be a child status. Usually the number of bits is 8, but that could be
2604 * platform dependent. The NATIVE status code is presumed to have either
2605 * from a child process.
7a7fd8e0
JM		 2606 */
2607
fb38d079
JM		 2608/* This is complicated. The child processes return a true native VMS
2609 status which must be saved. But there is an assumption in Perl that
2610 the UNIX child status has some relationship to errno values, so
2611 Perl tries to translate it to text in some of the tests.
2612 In order to get the string translation correct, for the error, errno
2613 must be EVMSERR, but that generates a different text message
2614 than what the test programs are expecting. So an errno value must
2615 be derived from the native status value when an error occurs.
2616 That will hide the true native status message. With this version of
2617 perl, the true native child status can always be retrieved so that
2618 is not a problem. But in this case, Pl_statusvalue and errno may
2619 have different values in them.
2620 */
7a7fd8e0 2621
fb38d079 2622# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2623 STMT_START { \
2fbb330f
JM		 2624 I32 evalue = (I32)n; \
2625 if (evalue == EVMSERR) { \
2626 PL_statusvalue_vms = vaxc$errno; \
2627 PL_statusvalue = evalue; \
7a7fd8e0 2628 } else { \
2fbb330f 2629 PL_statusvalue_vms = evalue; \
fb38d079 2630 if (evalue == -1) { \
3280af22 2631 PL_statusvalue = -1; \
7a7fd8e0
JM		 2632 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2633 } else \
fb38d079 2634 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2635 set_vaxc_errno(evalue); \
fb38d079
JM		 2636 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2637 set_errno(EVMSERR); \
2638 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2639 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2640 } \
68dc0745 2641 } STMT_END
7a7fd8e0 2642
68dc0745 2643# ifdef VMSISH_STATUS
e5218da5 2644# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2645# else
e5218da5 2646# define STATUS_CURRENT STATUS_UNIX
68dc0745 2647# endif
7a7fd8e0
JM		 2648
2649 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2650 * the NATIVE status to an equivalent value. Can not be used to translate
2651 * exit code values as exit code values are not guaranteed to have any
2652 * relationship at all to errno values.
2653 * This is used when Perl is forcing errno to have a specific value.
2654 */
e5218da5 2655# define STATUS_UNIX_SET(n) \
68dc0745 2656 STMT_START { \
7a7fd8e0 2657 I32 evalue = (I32)n; \
0968cdad 2658 PL_statusvalue = evalue; \
3280af22 2659 if (PL_statusvalue != -1) { \
0968cdad
JM		 2660 if (PL_statusvalue != EVMSERR) { \
2661 PL_statusvalue &= 0xFFFF; \
2662 if (MY_POSIX_EXIT) \
2663 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2664 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2665 } \
2666 else { \
2667 PL_statusvalue_vms = vaxc$errno; \
2668 } \
68dc0745 2669 } \
0968cdad
JM		 2670 else PL_statusvalue_vms = SS$_ABORT; \
2671 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2672 } STMT_END
2673
2674 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2675 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2676 * the UNIX/POSIX exit codes have any relationship to errno, except
2677 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2678 * with the Perl VMS documentation, any other code sets the NATIVE
2679 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2680 *
2681 * In the new POSIX EXIT mode, native status will be set so that the
2682 * actual exit code will can be retrieved by the calling program or
2683 * shell.
2684 *
2685 * If the exit code is not clearly a UNIX parent or child exit status,
2686 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2687 */
2688
fb38d079 2689# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2690 STMT_START { \
2691 I32 evalue = (I32)n; \
2692 PL_statusvalue = evalue; \
fb38d079
JM		 2693 if (evalue != -1) { \
2694 if (evalue <= 0xFF00) { \
2695 if (evalue > 0xFF) \
2696 evalue = (evalue >> child_offset_bits) & 0xFF; \
2697 if (evalue == 0) \
2698 PL_statusvalue_vms == SS$_NORMAL; \
2699 else \
2700 if (MY_POSIX_EXIT) \
2701 PL_statusvalue_vms = \
2702 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2703 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2704 else \
6ac6a52b 2705 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2706 } else { /* forgive them Perl, for they have sinned */ \
2707 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2708 else PL_statusvalue_vms = vaxc$errno; \
2709 /* And obviously used a VMS status value instead of UNIX */ \
2710 PL_statusvalue = EVMSERR; \
2711 } \
7a7fd8e0
JM		 2712 } \
2713 else PL_statusvalue_vms = SS$_ABORT; \
2714 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2715 } STMT_END
fb38d079 2716
6ac6a52b
JM		 2717 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2718 * and sets the NATIVE error status based on it. This special case
2719 * is needed to maintain compatibility with past VMS behavior.
2720 *
2721 * In the default mode on VMS, this number is passed through as
2722 * both the NATIVE and UNIX status. Which makes it different
2723 * that the STATUS_UNIX_EXIT_SET.
2724 *
2725 * In the new POSIX EXIT mode, native status will be set so that the
2726 * actual exit code will can be retrieved by the calling program or
2727 * shell.
2728 *
2729 */
2730
2731# define STATUS_EXIT_SET(n) \
2732 STMT_START { \
2733 I32 evalue = (I32)n; \
2734 PL_statusvalue = evalue; \
2735 if (MY_POSIX_EXIT) \
2736 PL_statusvalue_vms = \
2737 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2738 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2739 else \
2740 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2741 set_vaxc_errno(PL_statusvalue_vms); \
2742 } STMT_END
2743
fb38d079
JM		 2744
2745 /* This macro forces a success status */
7a7fd8e0
JM		 2746# define STATUS_ALL_SUCCESS \
2747 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2748
2749 /* This macro forces a failure status */
7a7fd8e0
JM		 2750# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2751 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2752 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2753
68dc0745 2754#else
e5218da5 2755# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2756# if defined(WCOREDUMP)
37038d91 2757# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2758 STMT_START { \
2759 PL_statusvalue_posix = (n); \
2760 if (PL_statusvalue_posix == -1) \
2761 PL_statusvalue = -1; \
2762 else { \
2763 PL_statusvalue = \
2764 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2765 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2766 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2767 } \
2768 } STMT_END
2769# elif defined(WIFEXITED)
37038d91 2770# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2771 STMT_START { \
2772 PL_statusvalue_posix = (n); \
2773 if (PL_statusvalue_posix == -1) \
2774 PL_statusvalue = -1; \
2775 else { \
2776 PL_statusvalue = \
2777 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2778 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2779 } \
2780 } STMT_END
2781# else
37038d91 2782# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2783 STMT_START { \
2784 PL_statusvalue_posix = (n); \
2785 if (PL_statusvalue_posix == -1) \
2786 PL_statusvalue = -1; \
2787 else { \
2788 PL_statusvalue = \
2789 PL_statusvalue_posix & 0xFFFF; \
2790 } \
2791 } STMT_END
2792# endif
2793# define STATUS_UNIX_SET(n) \
68dc0745 2794 STMT_START { \
3280af22
NIS		 2795 PL_statusvalue = (n); \
2796 if (PL_statusvalue != -1) \
2797 PL_statusvalue &= 0xFFFF; \
68dc0745 2798 } STMT_END
7a7fd8e0 2799# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2800# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2801# define STATUS_CURRENT STATUS_UNIX
37038d91 2802# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2803# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2804# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2805#endif
2806
cc3604b1
GS		 2807/* flags in PL_exit_flags for nature of exit() */
2808#define PERL_EXIT_EXPECTED 0x01
31d77e54 2809#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2810
0b94c7bb 2811#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2812# define MEMBER_TO_FPTR(name) name
2813#endif
2814
2815/* format to use for version numbers in file/directory names */
273cf8d1 2816/* XXX move to Configure? */
a7cb1f99 2817#ifndef PERL_FS_VER_FMT
273cf8d1 2818# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2819#endif
2820
45bc9206 2821/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2822 * performance issue, so we allow people to disable it. Also, if
2823 * we are using stdio, there are broken implementations of fflush(NULL)
2824 * out there, Solaris being the most prominent.
45bc9206
GS		 2825 */
2826#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2827# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2828# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2829# else
2830# ifdef FFLUSH_ALL
2831# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2832# else
c5be433b 2833# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2834# endif
66fe083f 2835# endif
45bc9206
GS		 2836#endif
2837
7766f137
GS		 2838#ifndef PERL_WAIT_FOR_CHILDREN
2839# define PERL_WAIT_FOR_CHILDREN NOOP
2840#endif
2841
ba869deb 2842/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2843#ifndef PERL_SET_INTERP
2844# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2845#endif
2846
2847#ifndef PERL_GET_INTERP
2848# define PERL_GET_INTERP (PL_curinterp)
2849#endif
2850
54aff467 2851#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2852# ifdef MULTIPLICITY
ba869deb 2853# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2854# endif
ba869deb
GS		 2855# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2856#endif
2857
8896765a
RB		 2858/*
2859 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2860 All that is required is that the perl source does not
8896765a
RB		 2861 use "%-p" or "%-<number>p" or "%<number>p" formats.
2862 These formats will still work in perl code.
2863 See comments in sv.c for futher details.
2864
2865 -DvdNUMBER=<number> can be used to redefine VDf
2866
2867 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2868 which works properly but gives compiler warnings
2869
2870 Robin Barker 2005-07-14
0dbb1585 2871*/
8896765a
RB		 2872
2873#ifndef SVf_
63ce7bf0 2874# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2875#endif
2876
8896765a 2877#ifndef SVf
104abab4 2878# define SVf "-p"
d2560b70
RB		 2879#endif
2880
014ead4b 2881#ifndef SVf32
8896765a 2882# define SVf32 SVf_(32)
014ead4b
RB		 2883#endif
2884
2885#ifndef SVf256
8896765a
RB		 2886# define SVf256 SVf_(256)
2887#endif
2888
2889#ifndef vdNUMBER
2890# define vdNUMBER 1
2891#endif
2892
2893#ifndef VDf
2894# if vdNUMBER
63ce7bf0 2895# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2896# else
2897# define VDf "vd"
2898# endif
014ead4b
RB		 2899#endif
2900
2901#ifndef UVf
2902# define UVf UVuf
d2560b70
RB		 2903#endif
2904
0dbb1585
AL		 2905#ifdef HASATTRIBUTE_FORMAT
2906# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2907#endif
2908#ifdef HASATTRIBUTE_MALLOC
77785eea 2909# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2910#endif
0dbb1585 2911#ifdef HASATTRIBUTE_NONNULL
abb2c242 2912# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2913#endif
0dbb1585 2914#ifdef HASATTRIBUTE_NORETURN
abb2c242 2915# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2916#endif
0dbb1585 2917#ifdef HASATTRIBUTE_PURE
abb2c242 2918# define __attribute__pure__ __attribute__((pure))
f22be1b8 2919#endif
0dbb1585
AL		 2920#ifdef HASATTRIBUTE_UNUSED
2921# define __attribute__unused__ __attribute__((unused))
2922#endif
2923#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2924# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2925#endif
2926
0dbb1585
AL		 2927/* If we haven't defined the attributes yet, define them to blank. */
2928#ifndef __attribute__format__
2929# define __attribute__format__(x,y,z)
2930#endif
f22be1b8 2931#ifndef __attribute__malloc__
abb2c242 2932# define __attribute__malloc__
f22be1b8
JH		 2933#endif
2934#ifndef __attribute__nonnull__
abb2c242 2935# define __attribute__nonnull__(a)
f22be1b8
JH		 2936#endif
2937#ifndef __attribute__noreturn__
abb2c242 2938# define __attribute__noreturn__
f22be1b8
JH		 2939#endif
2940#ifndef __attribute__pure__
abb2c242 2941# define __attribute__pure__
f22be1b8 2942#endif
0dbb1585
AL		 2943#ifndef __attribute__unused__
2944# define __attribute__unused__
2945#endif
f22be1b8 2946#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2947# define __attribute__warn_unused_result__
2948#endif
2949
0dbb1585
AL		 2950/* For functions that are marked as __attribute__noreturn__, it's not
2951 appropriate to call return. In either case, include the lint directive.
2952 */
2953#ifdef HASATTRIBUTE_NORETURN
2954# define NORETURN_FUNCTION_END /* NOT REACHED */
2955#else
2956# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2957#endif
2958
3fc1aec6 2959/* Some unistd.h's give a prototype for pause() even though
2960 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2961 below to be rejected by the compiler. Sigh.
3fc1aec6 2962*/
2963#ifdef HAS_PAUSE
2964#define Pause pause
2965#else
2966#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2967#endif
2968
2969#ifndef IOCPARM_LEN
2970# ifdef IOCPARM_MASK
61f1c44b 2971 /* on BSDish systems we're safe */
748a9306
LW		 2972# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2973# else
61f1c44b 2974# if defined(_IOC_SIZE) && defined(__GLIBC__)
301eb2f0
GA		 2975 /* on Linux systems we're safe; except when we're not [perl #38223] */
2976# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
61f1c44b 2977# else
748a9306 2978 /* otherwise guess at what's safe */
61f1c44b
JVD		 2979# define IOCPARM_LEN(x) 256
2980# endif
748a9306 2981# endif
a0d0e21e
LW		 2982#endif
2983
1761cee5 2984#if defined(__CYGWIN__)
521e0776
GS		 2985/* USEMYBINMODE
2986 * This symbol, if defined, indicates that the program should
16fe6d59 2987 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2988 * that a file is in "binary" mode -- that is, that no translation
2989 * of bytes occurs on read or write operations.
2990 */
36894f0b 2991# define USEMYBINMODE /**/
77a40698 2992# include <io.h> /* for setmode() prototype */
16fe6d59 2993# define my_binmode(fp, iotype, mode) \
77a40698 2994 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2995#endif
2996
88d10794
JH		 2997#ifdef __CYGWIN__
2998void init_os_extras(void);
2999#endif
3000
cea2e8a9
GS		 3001#ifdef UNION_ANY_DEFINITION
3002UNION_ANY_DEFINITION;
3003#else
3004union any {
3005 void* any_ptr;
3006 I32 any_i32;
3007 IV any_iv;
3008 long any_long;
9febdf04 3009 bool any_bool;
c76ac1ee 3010 void (*any_dptr) (void*);
acfe0abc 3011 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3012};
3013#endif
3014
acfe0abc 3015typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3016
3017#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3018#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3019#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3020
c5078cac
JH		 3021#if defined(_AIX) && !defined(_AIX43)
3022#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3023/* We cannot include <crypt.h> to get the struct crypt_data
3024 * because of setkey prototype problems when threading */
3025typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3026 /* From OSF, Not needed in AIX
3027 char C[28], D[28];
3028 */
3029 char E[48];
3030 char KS[16][48];
3031 char block[66];
3032 char iobuf[16];
3033} CRYPTD;
3034#endif /* threading */
3035#endif /* AIX */
3036
af8b425d 3037#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3038# include "iperlsys.h"
3039#endif
504f80c1 3040
d10dc2ae
JH		 3041/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3042 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3043 * defined by Configure, despite their names being similar to the
3044 * other defines like USE_ITHREADS. Configure in fact knows nothing
3045 * about the randomised hashes. Therefore to enable/disable the hash
3046 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3047#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3048# define USE_HASH_SEED
504f80c1
JH		 3049#endif
3050
378cc40b 3051#include "regexp.h"
79072805 3052#include "sv.h"
378cc40b 3053#include "util.h"
8d063cd8 3054#include "form.h"
79072805 3055#include "gv.h"
dd2155a4 3056#include "pad.h"
79072805 3057#include "cv.h"
abdd5c84 3058#include "opnames.h"
79072805
LW		 3059#include "op.h"
3060#include "cop.h"
3061#include "av.h"
3062#include "hv.h"
3063#include "mg.h"
3064#include "scope.h"
4438c4b7 3065#include "warnings.h"
a0ed51b3 3066#include "utf8.h"
8d063cd8 3067
7fae4e64
GS		 3068/* Current curly descriptor */
3069typedef struct curcur CURCUR;
3070struct curcur {
3071 int parenfloor; /* how far back to strip paren data */
3072 int cur; /* how many instances of scan we've matched */
3073 int min; /* the minimal number of scans to match */
3074 int max; /* the maximal number of scans to match */
3075 int minmod; /* whether to work our way up or down */
3076 regnode * scan; /* the thing to match */
3077 regnode * next; /* what has to match after it */
3078 char * lastloc; /* where we started matching this scan */
3079 CURCUR * oldcc; /* current curly before we started this one */
3080};
3081
3082typedef struct _sublex_info SUBLEXINFO;
3083struct _sublex_info {
3084 I32 super_state; /* lexer state to save */
3085 I32 sub_inwhat; /* "lex_inwhat" to use */
3086 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3087 char *super_bufptr; /* PL_bufptr that was */
3088 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3089};
3090
455ece5e 3091typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3092
2c2d71f5 3093struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3094struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 3095
3096typedef I32 CHECKPOINT;
76e3520e 3097
6f51351d
NC		 3098/* Keep next first in this structure, because sv_free_arenas take
3099 advantage of this to share code between the pte arenas and the SV
3100 body arenas */
5f7fde29
GS		 3101struct ptr_tbl_ent {
3102 struct ptr_tbl_ent* next;
53c1dcc0 3103 const void* oldval;
5f7fde29 3104 void* newval;
d18c6117
GS		 3105};
3106
5f7fde29
GS		 3107struct ptr_tbl {
3108 struct ptr_tbl_ent** tbl_ary;
3109 UV tbl_max;
3110 UV tbl_items;
d18c6117
GS		 3111};
3112
450a55e4 3113#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3114# define I286
3115#endif
3116
fe14fcc3
LW		 3117#if defined(htonl) && !defined(HAS_HTONL)
3118#define HAS_HTONL
ae986130 3119#endif
fe14fcc3
LW		 3120#if defined(htons) && !defined(HAS_HTONS)
3121#define HAS_HTONS
ae986130 3122#endif
fe14fcc3
LW		 3123#if defined(ntohl) && !defined(HAS_NTOHL)
3124#define HAS_NTOHL
ae986130 3125#endif
fe14fcc3
LW		 3126#if defined(ntohs) && !defined(HAS_NTOHS)
3127#define HAS_NTOHS
ae986130 3128#endif
fe14fcc3 3129#ifndef HAS_HTONL
d9d8d8de 3130#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3131#define HAS_HTONS
3132#define HAS_HTONL
3133#define HAS_NTOHS
3134#define HAS_NTOHL
a687059c
LW		 3135#define MYSWAP
3136#define htons my_swap
3137#define htonl my_htonl
3138#define ntohs my_swap
3139#define ntohl my_ntohl
3140#endif
3141#else
d9d8d8de 3142#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3143#undef HAS_HTONS
3144#undef HAS_HTONL
3145#undef HAS_NTOHS
3146#undef HAS_NTOHL
a687059c
LW		 3147#endif
3148#endif
3149
988174c1
LW		 3150/*
3151 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3152 * -DWS
3153 */
3154#if BYTEORDER != 0x1234
3155# define HAS_VTOHL
3156# define HAS_VTOHS
3157# define HAS_HTOVL
3158# define HAS_HTOVS
c67712b2 3159# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3160# define vtohl(x) ((((x)&0xFF)<<24) \
3161 +(((x)>>24)&0xFF) \
3162 +(((x)&0x0000FF00)<<8) \
3163 +(((x)&0x00FF0000)>>8) )
3164# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3165# define htovl(x) vtohl(x)
3166# define htovs(x) vtohs(x)
3167# endif
3168 /* otherwise default to functions in util.c */
2a8c3029 3169#ifndef htovs
c623ac67
GS		 3170short htovs(short n);
3171short vtohs(short n);
3172long htovl(long n);
3173long vtohl(long n);
988174c1 3174#endif
2a8c3029 3175#endif
988174c1 3176
3bb7c1b4
JH		 3177/* *MAX Plus 1. A floating point value.
3178 Hopefully expressed in a way that dodgy floating point can't mess up.
3179 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3180 is added to it
3181 May find that some broken compiler will want the value cast to I32.
3182 [after the shift, as signed >> may not be as secure as unsigned >>]
3183*/
3184#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3185#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3186/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3187 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3188 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3189*/
3190#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3191
3bb7c1b4
JH		 3192#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3193#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3194#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3195
3196/* This may look like unnecessary jumping through hoops, but converting
3197 out of range floating point values to integers *is* undefined behaviour,
3198 and it is starting to bite.
3199*/
3200#ifndef CAST_INLINE
65202027 3201#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3202#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3203#define I_V(what) (cast_iv((NV)(what)))
3204#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3205#else
3206#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3207 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3208 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3209#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3210 : ((n) < U32_MAX_P1 ? (U32) (n) \
3211 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3212#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3213 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3214 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3215#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3216 : ((n) < UV_MAX_P1 ? (UV) (n) \
3217 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3218#endif
3219
3220#define U_S(what) ((U16)U_32(what))
3221#define U_I(what) ((unsigned int)U_32(what))
3222#define U_L(what) U_32(what)
ed6116ce 3223
2d4389e4
JH		 3224/* These do not care about the fractional part, only about the range. */
3225#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3226#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3227
25da4f38
IZ		 3228/* Used with UV/IV arguments: */
3229 /* XXXX: need to speed it up */
3230#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3231#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3232
352d5a3a
LW		 3233#ifndef MAXSYSFD
3234# define MAXSYSFD 2
3235#endif
ee0007ab 3236
79072805 3237#ifndef __cplusplus
27da23d5 3238#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3239Uid_t getuid (void);
3240Uid_t geteuid (void);
3241Gid_t getgid (void);
3242Gid_t getegid (void);
79072805 3243#endif
e1caacb4 3244#endif
8d063cd8 3245
0c30d9ec 3246#ifndef Perl_debug_log
bf49b057
GS		 3247# define Perl_debug_log PerlIO_stderr()
3248#endif
3249
3250#ifndef Perl_error_log
3251# define Perl_error_log (PL_stderrgv \
6b78add2 3252 && isGV(PL_stderrgv) \
01bb7c6d 3253 && GvIOp(PL_stderrgv) \
42de951c 3254 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3255 ? IoOFP(GvIOp(PL_stderrgv)) \
3256 : PerlIO_stderr())
0c30d9ec 3257#endif
3967c732 3258
aea4f609
DM		 3259
3260#define DEBUG_p_FLAG 0x00000001 /* 1 */
3261#define DEBUG_s_FLAG 0x00000002 /* 2 */
3262#define DEBUG_l_FLAG 0x00000004 /* 4 */
3263#define DEBUG_t_FLAG 0x00000008 /* 8 */
3264#define DEBUG_o_FLAG 0x00000010 /* 16 */
3265#define DEBUG_c_FLAG 0x00000020 /* 32 */
3266#define DEBUG_P_FLAG 0x00000040 /* 64 */
3267#define DEBUG_m_FLAG 0x00000080 /* 128 */
3268#define DEBUG_f_FLAG 0x00000100 /* 256 */
3269#define DEBUG_r_FLAG 0x00000200 /* 512 */
3270#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3271#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3272 /* spare */
aea4f609
DM		 3273#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3274#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3275#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3276#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3277#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3278#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3279#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3280#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3281#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3282#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3283#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3284#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3285
3286#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3287#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3288 that something was done? */
aea4f609 3289
bd16a5f0
IZ		 3290# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3291# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3292# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3293# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3294# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3295# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3296# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3297# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3298# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3299# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3300# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3301# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3302# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3303# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3304# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3305# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3306# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3307# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3308# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3309# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3310# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3311# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3312# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3313# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3314
3967c732 3315#ifdef DEBUGGING
aea4f609 3316
bd16a5f0
IZ		 3317# define DEBUG_p_TEST DEBUG_p_TEST_
3318# define DEBUG_s_TEST DEBUG_s_TEST_
3319# define DEBUG_l_TEST DEBUG_l_TEST_
3320# define DEBUG_t_TEST DEBUG_t_TEST_
3321# define DEBUG_o_TEST DEBUG_o_TEST_
3322# define DEBUG_c_TEST DEBUG_c_TEST_
3323# define DEBUG_P_TEST DEBUG_P_TEST_
3324# define DEBUG_m_TEST DEBUG_m_TEST_
3325# define DEBUG_f_TEST DEBUG_f_TEST_
3326# define DEBUG_r_TEST DEBUG_r_TEST_
3327# define DEBUG_x_TEST DEBUG_x_TEST_
3328# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3329# define DEBUG_H_TEST DEBUG_H_TEST_
3330# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3331# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3332# define DEBUG_D_TEST DEBUG_D_TEST_
3333# define DEBUG_S_TEST DEBUG_S_TEST_
3334# define DEBUG_T_TEST DEBUG_T_TEST_
3335# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3336# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3337# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3338# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3339# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3340# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3341
488b0c7a
JH		 3342# define PERL_DEB(a) a
3343# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3344# define DEBUG_p(a) if (DEBUG_p_TEST) a
3345# define DEBUG_s(a) if (DEBUG_s_TEST) a
3346# define DEBUG_l(a) if (DEBUG_l_TEST) a
3347# define DEBUG_t(a) if (DEBUG_t_TEST) a
3348# define DEBUG_o(a) if (DEBUG_o_TEST) a
3349# define DEBUG_c(a) if (DEBUG_c_TEST) a
3350# define DEBUG_P(a) if (DEBUG_P_TEST) a
3351
969058bb
VK		 3352 /* Temporarily turn off memory debugging in case the a
3353 * does memory allocation, either directly or indirectly. */
acfe0abc 3354# define DEBUG_m(a) \
0b250b9e 3355 STMT_START { \
aea4f609 3356 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3357 } STMT_END
aea4f609 3358
5f80b19c
AMS		 3359# define DEBUG__(t, a) \
3360 STMT_START { \
3361 if (t) STMT_START {a;} STMT_END; \
3362 } STMT_END
3363
3364# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3365# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3366# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3367# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3368# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3369# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3370# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3371# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3372
3db8f154 3373# define DEBUG_S(a)
aea4f609 3374
5f80b19c
AMS		 3375# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3376# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3377# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3378# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3379# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3380# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3381
3382#else /* DEBUGGING */
3383
3384# define DEBUG_p_TEST (0)
3385# define DEBUG_s_TEST (0)
3386# define DEBUG_l_TEST (0)
3387# define DEBUG_t_TEST (0)
3388# define DEBUG_o_TEST (0)
3389# define DEBUG_c_TEST (0)
3390# define DEBUG_P_TEST (0)
3391# define DEBUG_m_TEST (0)
3392# define DEBUG_f_TEST (0)
3393# define DEBUG_r_TEST (0)
3394# define DEBUG_x_TEST (0)
3395# define DEBUG_u_TEST (0)
aea4f609
DM		 3396# define DEBUG_H_TEST (0)
3397# define DEBUG_X_TEST (0)
dd2155a4 3398# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3399# define DEBUG_D_TEST (0)
3400# define DEBUG_S_TEST (0)
3401# define DEBUG_T_TEST (0)
04932ac8 3402# define DEBUG_R_TEST (0)
1045810a 3403# define DEBUG_J_TEST (0)
d6721266 3404# define DEBUG_v_TEST (0)
46187eeb 3405# define DEBUG_C_TEST (0)
ecae49c0
NC		 3406# define DEBUG_A_TEST (0)
3407# define DEBUG_q_TEST (0)
aea4f609 3408
488b0c7a
JH		 3409# define PERL_DEB(a)
3410# define PERL_DEBUG(a)
aea4f609
DM		 3411# define DEBUG_p(a)
3412# define DEBUG_s(a)
3413# define DEBUG_l(a)
3414# define DEBUG_t(a)
3415# define DEBUG_o(a)
3416# define DEBUG_c(a)
3417# define DEBUG_P(a)
3418# define DEBUG_m(a)
3419# define DEBUG_f(a)
3420# define DEBUG_r(a)
3421# define DEBUG_x(a)
3422# define DEBUG_u(a)
aea4f609
DM		 3423# define DEBUG_H(a)
3424# define DEBUG_X(a)
dd2155a4 3425# define DEBUG_Xv(a)
aea4f609
DM		 3426# define DEBUG_D(a)
3427# define DEBUG_S(a)
3428# define DEBUG_T(a)
04932ac8 3429# define DEBUG_R(a)
d6721266 3430# define DEBUG_v(a)
46187eeb 3431# define DEBUG_C(a)
ecae49c0
NC		 3432# define DEBUG_A(a)
3433# define DEBUG_q(a)
aea4f609
DM		 3434#endif /* DEBUGGING */
3435
3436
b4ab917c
DM		 3437#define DEBUG_SCOPE(where) \
3438 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3439 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3440
3441
3442
3443
d1be9408 3444/* These constants should be used in preference to raw characters
14befaf4
DM		 3445 * when using magic. Note that some perl guts still assume
3446 * certain character properties of these constants, namely that
3447 * isUPPER() and toLOWER() may do useful mappings.
3448 *
3449 * Update the magic_names table in dump.c when adding/amending these
3450 */
3451
3452#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3453#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3454#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3455#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3456#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3457#define PERL_MAGIC_regdata 'D' /* Regex match position data
3458 (@+ and @- vars) */
3459#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3460#define PERL_MAGIC_env 'E' /* %ENV hash */
3461#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3462#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3463#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3464#define PERL_MAGIC_isa 'I' /* @ISA array */
3465#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3466#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3467#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3468#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3469#define PERL_MAGIC_mutex 'm' /* for lock op */
3470#define PERL_MAGIC_shared 'N' /* Shared between threads */
3471#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3472#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3473#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3474#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3475#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3476#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3477#define PERL_MAGIC_sig 'S' /* %SIG hash */
3478#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3479#define PERL_MAGIC_taint 't' /* Taintedness */
3480#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3481#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3482#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3483#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3484#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3485#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3486#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3487 smart parameter vivification */
14befaf4
DM		 3488#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3489#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3490#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3491#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3492#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3493#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3494#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3495
3496
a6e633de 3497#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3498#define assert(what) PERL_DEB( \
3499 ((what) ? ((void) 0) : \
67eb4d30 3500 (Perl_croak_nocontext("Assertion %s failed: file \"" __FILE__ \
60b9f5a7 3501 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284 3502 (void) 0)))
a446a88f 3503#endif
8d063cd8 3504
450a55e4 3505struct ufuncs {
24f81a43
DM		 3506 I32 (*uf_val)(pTHX_ IV, SV*);
3507 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3508 IV uf_index;
450a55e4
LW		 3509};
3510
14befaf4 3511/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3512 * XS code wanting to be backward compatible can do something
3513 * like the following:
c745e42c 3514
24f81a43 3515#ifndef PERL_MG_UFUNC
24f81a43
DM		 3516#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3517#endif
3518
3519static PERL_MG_UFUNC(foo_get, index, val)
3520{
3521 sv_setsv(val, ...);
3522 return TRUE;
3523}
3524
3525-- Doug MacEachern
3526
3527*/
3528
fc9c74e6 3529#ifndef PERL_MG_UFUNC
24f81a43 3530#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3531#endif
24f81a43 3532
fe14fcc3 3533/* Fix these up for __STDC__ */
68dc0745 3534#ifndef DONT_DECLARE_STD
20ce7b12 3535char *mktemp (char*);
37bd1396 3536#ifndef atof
20ce7b12 3537double atof (const char*);
a0d0e21e 3538#endif
37bd1396 3539#endif
79072805 3540
352d5a3a 3541#ifndef STANDARD_C
fe14fcc3 3542/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3543Time_t time();
8d063cd8 3544struct tm *gmtime(), *localtime();
092bebab 3545#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3546char *(strchr)(), *(strrchr)();
3547char *(strcpy)(), *(strcat)();
3548#else
93a17b20 3549char *strchr(), *strrchr();
378cc40b 3550char *strcpy(), *strcat();
9d116dd7 3551#endif
352d5a3a 3552#endif /* ! STANDARD_C */
8d063cd8 3553
79072805
LW		 3554
3555#ifdef I_MATH
3556# include <math.h>
3557#else
32f822de 3558START_EXTERN_C
20ce7b12
GS		 3559 double exp (double);
3560 double log (double);
3561 double log10 (double);
3562 double sqrt (double);
3563 double frexp (double,int*);
3564 double ldexp (double,int);
3565 double modf (double,double*);
3566 double sin (double);
3567 double cos (double);
3568 double atan2 (double,double);
3569 double pow (double,double);
32f822de 3570END_EXTERN_C
79072805
LW		 3571#endif
3572
aa8b85de
JH		 3573#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3574# define NV_INF LDBL_INFINITY
3575#endif
3576#if !defined(NV_INF) && defined(DBL_INFINITY)
3577# define NV_INF (NV)DBL_INFINITY
3578#endif
3579#if !defined(NV_INF) && defined(INFINITY)
3580# define NV_INF (NV)INFINITY
3581#endif
3582#if !defined(NV_INF) && defined(INF)
3583# define NV_INF (NV)INF
3584#endif
3585#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3586# define NV_INF (NV)HUGE_VALL
3587#endif
3588#if !defined(NV_INF) && defined(HUGE_VAL)
3589# define NV_INF (NV)HUGE_VAL
3590#endif
3591
3592#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3593# if !defined(NV_NAN) && defined(LDBL_NAN)
3594# define NV_NAN LDBL_NAN
3595# endif
3596# if !defined(NV_NAN) && defined(LDBL_QNAN)
3597# define NV_NAN LDBL_QNAN
3598# endif
3599# if !defined(NV_NAN) && defined(LDBL_SNAN)
3600# define NV_NAN LDBL_SNAN
3601# endif
3602#endif
3603#if !defined(NV_NAN) && defined(DBL_NAN)
3604# define NV_NAN (NV)DBL_NAN
3605#endif
3606#if !defined(NV_NAN) && defined(DBL_QNAN)
3607# define NV_NAN (NV)DBL_QNAN
3608#endif
3609#if !defined(NV_NAN) && defined(DBL_SNAN)
3610# define NV_NAN (NV)DBL_SNAN
3611#endif
3612#if !defined(NV_NAN) && defined(QNAN)
3613# define NV_NAN (NV)QNAN
3614#endif
3615#if !defined(NV_NAN) && defined(SNAN)
3616# define NV_NAN (NV)SNAN
3617#endif
3618#if !defined(NV_NAN) && defined(NAN)
3619# define NV_NAN (NV)NAN
3620#endif
3621
a0d0e21e 3622#ifndef __cplusplus
8f1f23e8 3623# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3624char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3625# else
fd8cd3a3 3626# if !defined(WIN32) && !defined(VMS)
10bc17b6 3627#ifndef crypt
20ce7b12 3628char *crypt (const char*, const char*);
10bc17b6 3629#endif
5014db98 3630# endif /* !WIN32 */
8f1f23e8 3631# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3632# ifndef DONT_DECLARE_STD
3633# ifndef getenv
20ce7b12 3634char *getenv (const char*);
26618a56 3635# endif /* !getenv */
28ca6303 3636# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3637# ifdef _FILE_OFFSET_BITS
28ca6303 3638# if _FILE_OFFSET_BITS == 64
20ce7b12 3639Off_t lseek (int,Off_t,int);
0fc67700
JH		 3640# endif
3641# endif
bf0c440f 3642# endif
26618a56 3643# endif /* !DONT_DECLARE_STD */
10bc17b6 3644#ifndef getlogin
20ce7b12 3645char *getlogin (void);
10bc17b6 3646#endif
26618a56 3647#endif /* !__cplusplus */
79072805 3648
7a7fd8e0
JM		 3649/* Fixme on VMS. This needs to be a run-time, not build time options */
3650/* Also rename() is affected by this */
16d20bd9 3651#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3652#define UNLINK unlnk
083639a9 3653I32 unlnk (pTHX_ const char*);
8d063cd8 3654#else
80252599 3655#define UNLINK PerlLIO_unlink
8d063cd8 3656#endif
a687059c 3657
fa0a29af
JH		 3658/* some versions of glibc are missing the setresuid() proto */
3659#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3660int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3661#endif
fa0a29af
JH		 3662/* some versions of glibc are missing the setresgid() proto */
3663#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3664int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3665#endif
3666
fe14fcc3 3667#ifndef HAS_SETREUID
85e6fe83
LW		 3668# ifdef HAS_SETRESUID
3669# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3670# define HAS_SETREUID
3671# endif
a687059c 3672#endif
fe14fcc3 3673#ifndef HAS_SETREGID
85e6fe83
LW		 3674# ifdef HAS_SETRESGID
3675# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3676# define HAS_SETREGID
3677# endif
a687059c 3678#endif
ee0007ab 3679
d543acb6 3680/* Sighandler_t defined in iperlsys.h */
ff68c719 3681
3682#ifdef HAS_SIGACTION
3683typedef struct sigaction Sigsave_t;
3684#else
3685typedef Sighandler_t Sigsave_t;
3686#endif
3687
ee0007ab
LW		 3688#define SCAN_DEF 0
3689#define SCAN_TR 1
3690#define SCAN_REPL 2
79072805
LW		 3691
3692#ifdef DEBUGGING
4633a7c4 3693# ifndef register
a0d0e21e
LW		 3694# define register
3695# endif
cea2e8a9 3696# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3697#else
cea2e8a9 3698# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3699#endif
3700
18f739ee 3701#ifdef MYMALLOC
772fe5b3 3702# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3703# define MALLOC_INIT \
3704 STMT_START { \
3705 PL_malloc_mutex = NULL; \
3706 MUTEX_INIT(&PL_malloc_mutex); \
3707 } STMT_END
3708# define MALLOC_TERM \
3709 STMT_START { \
3710 perl_mutex tmp = PL_malloc_mutex; \
3711 PL_malloc_mutex = NULL; \
3712 MUTEX_DESTROY(&tmp); \
3713 } STMT_END
3714# else
3715# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3716# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3717# endif
18f739ee
IZ		 3718#else
3719# define MALLOC_INIT
3720# define MALLOC_TERM
3721#endif
3722
cd1541b2 3723#if defined(PERL_IMPLICIT_CONTEXT)
7cb608b5
NC		 3724
3725struct perl_memory_debug_header;
cd1541b2
NC		 3726struct perl_memory_debug_header {
3727 tTHX interpreter;
3728# ifdef PERL_POISON
3729 MEM_SIZE size;
cd1541b2 3730# endif
7cb608b5
NC		 3731 struct perl_memory_debug_header *prev;
3732 struct perl_memory_debug_header *next;
cd1541b2
NC		 3733};
3734
3735# define sTHX (sizeof(struct perl_memory_debug_header) + \
3736 (MEM_ALIGNBYTES - sizeof(struct perl_memory_debug_header) \
3737 %MEM_ALIGNBYTES) % MEM_ALIGNBYTES)
3738
3739#endif
3740
7cb608b5
NC		 3741#ifdef PERL_TRACK_MEMPOOL
3742# define INIT_TRACK_MEMPOOL(header, interp) \
3743 STMT_START { \
3744 (header).interpreter = (interp); \
3745 (header).prev = (header).next = &(header); \
3746 } STMT_END
3747# else
3748# define INIT_TRACK_MEMPOOL(header, interp)
3749#endif
3750
b6d9d515 3751
0cb96387 3752typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3753typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3754typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3755typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3756
940cb80d 3757/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3758#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3759
8f1f23e8
W		 3760/* NeXT has problems with crt0.o globals */
3761#if defined(__DYNAMIC__) && \
6239f2da 3762 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3763# if defined(NeXT) || defined(__NeXT)
3764# include <mach-o/dyld.h>
3765# define environ (*environ_pointer)
0c30d9ec 3766EXT char *** environ_pointer;
8f1f23e8 3767# else
6239f2da 3768# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3769# include <crt_externs.h> /* for the env array */
3770# define environ (*_NSGetEnviron())
3771# endif
0c30d9ec 3772# endif
8f1f23e8
W		 3773#else
3774 /* VMS and some other platforms don't use the environ array */
13b6e58c 3775# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3776# if !defined(DONT_DECLARE_STD) || \
3777 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3778 defined(__sgi) || \
d460ef45 3779 defined(__DGUX)
8f1f23e8 3780extern char ** environ; /* environment variables supplied via exec */
a6c40364 3781# endif
8f1f23e8
W		 3782# endif
3783#endif
79072805 3784
73c4f7a1
GS		 3785START_EXTERN_C
3786
79072805 3787/* handy constants */
22c35a8c 3788EXTCONST char PL_warn_uninit[]
29489e7c 3789 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3790EXTCONST char PL_warn_nosemi[]
463ee0b2 3791 INIT("Semicolon seems to be missing");
22c35a8c 3792EXTCONST char PL_warn_reserved[]
463ee0b2 3793 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3794EXTCONST char PL_warn_nl[]
93a17b20 3795 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3796EXTCONST char PL_no_wrongref[]
a0d0e21e 3797 INIT("Can't use %s ref as %s ref");
22c35a8c 3798EXTCONST char PL_no_symref[]
748a9306 3799 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3800EXTCONST char PL_no_symref_sv[]
014ead4b 3801 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3802EXTCONST char PL_no_usym[]
8990e307 3803 INIT("Can't use an undefined value as %s reference");
22c35a8c 3804EXTCONST char PL_no_aelem[]
93a17b20 3805 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3806EXTCONST char PL_no_helem_sv[]
3807 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3808EXTCONST char PL_no_modify[]
93a17b20 3809 INIT("Modification of a read-only value attempted");
22c35a8c 3810EXTCONST char PL_no_mem[]
93a17b20 3811 INIT("Out of memory!\n");
22c35a8c 3812EXTCONST char PL_no_security[]
463ee0b2 3813 INIT("Insecure dependency in %s%s");
22c35a8c 3814EXTCONST char PL_no_sock_func[]
93a17b20 3815 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3816EXTCONST char PL_no_dir_func[]
93a17b20 3817 INIT("Unsupported directory function \"%s\" called");