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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 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
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH		 79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
27da23d5
JH		 85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
a0fd4948 91#ifdef __SYMBIAN32__
27da23d5
JH		 92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
a0fd4948 98#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 109# define USE_REENTRANT_API
110#endif
111
ac6bedea
JH		 112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
6239f2da
JH		 115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
27da23d5
JH		 125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
3db8f154
MB		 151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
27da23d5
JH		 153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
894356b3
GS		 166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
4373e329
AL		 169# define pTHX_5 6
170# define pTHX_6 7
a3b680e6
AL		 171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
c5be433b
GS		 174#endif
175
76e3520e
GS		 176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
1d583055
GS		 181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
312caa8e
CS		 186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
1215b447
JH		 193/* XXX The PERL_UNUSED_DECL suffix is unfortunately rather inflexible:
194 * it assumes that in all compilers the way to suppress an "unused"
195 * warning is to have a suffix. In some compilers that might be a
196 * a compiler pragma, e.g. #pragma unused(varname). */
197
9969cdde 198#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5
AMS		 199# ifdef __cplusplus
200# define PERL_UNUSED_DECL
201# else
202# define PERL_UNUSED_DECL __attribute__((unused))
203# endif
204#endif
44dbb695 205
5b2bd0a5 206#ifndef PERL_UNUSED_DECL
b79c357a
RGS		 207# ifdef HASATTRIBUTE_UNUSED
208# define PERL_UNUSED_DECL __attribute__unused__
209# else
210# define PERL_UNUSED_DECL
211# endif
5b2bd0a5
AMS		 212#endif
213
349b520e
DM		 214/* gcc -Wall:
215 * for silencing unused variables that are actually used most of the time,
a0288114 216 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 217 */
53c1dcc0 218#ifndef PERL_UNUSED_ARG
ad73156c
AL		 219# ifdef lint
220# include <note.h>
53c1dcc0 221# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 222# else
53c1dcc0 223# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 224# endif
225#endif
53c1dcc0
AL		 226#ifndef PERL_UNUSED_VAR
227# define PERL_UNUSED_VAR(x) ((void)x)
228#endif
ad73156c 229
0cb96387 230#define NOOP (void)0
44dbb695 231#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 232
0cb96387
GS		 233#ifndef pTHX
234# define pTHX void
235# define pTHX_
0cb96387
GS		 236# define aTHX
237# define aTHX_
0cb96387
GS		 238# define dTHXa(a) dNOOP
239# define dTHX dNOOP
894356b3
GS		 240# define pTHX_1 1
241# define pTHX_2 2
242# define pTHX_3 3
243# define pTHX_4 4
3d42dc86
RGS		 244# define pTHX_5 5
245# define pTHX_6 6
a3b680e6
AL		 246# define pTHX_7 7
247# define pTHX_8 8
248# define pTHX_9 9
0cb96387
GS		 249#endif
250
27da23d5
JH		 251#ifndef dVAR
252# define dVAR dNOOP
253#endif
254
b4f7f263
GS		 255/* these are only defined for compatibility; should not be used internally */
256#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 257# define pTHXo pTHX
258# define pTHXo_ pTHX_
0cb96387
GS		 259# define aTHXo aTHX
260# define aTHXo_ aTHX_
c5be433b 261# define dTHXo dTHX
71d280e3 262# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 263#endif
264
265#ifndef pTHXx
266# define pTHXx register PerlInterpreter *my_perl
267# define pTHXx_ pTHXx,
0cb96387
GS		 268# define aTHXx my_perl
269# define aTHXx_ aTHXx,
c5be433b 270# define dTHXx dTHX
22c35a8c 271#endif
71be2cbc 272
1de7c2ac
GS		 273/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
274 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
275 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
276#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 277# ifdef PERL_GLOBAL_STRUCT_PRIVATE
278# define dTHXs dVAR; dTHX
279# else
280# define dTHXs dTHX
281# endif
1de7c2ac 282#else
27da23d5
JH		 283# ifdef PERL_GLOBAL_STRUCT_PRIVATE
284# define dTHXs dVAR
285# else
286# define dTHXs dNOOP
287# endif
1de7c2ac
GS		 288#endif
289
326b05e3
GS		 290#undef START_EXTERN_C
291#undef END_EXTERN_C
292#undef EXTERN_C
32f822de
GS		 293#ifdef __cplusplus
294# define START_EXTERN_C extern "C" {
295# define END_EXTERN_C }
296# define EXTERN_C extern "C"
297#else
d460ef45
NIS		 298# define START_EXTERN_C
299# define END_EXTERN_C
73c4f7a1 300# define EXTERN_C extern
32f822de
GS		 301#endif
302
27da23d5
JH		 303/* Some platforms require marking function declarations
304 * for them to be exportable. Used in perlio.h, proto.h
305 * is handled either by the makedef.pl or by defining the
306 * PERL_CALLCONV to be something special. See also the
307 * definition of XS() in XSUB.h. */
308#ifndef PERL_EXPORT_C
309# define PERL_EXPORT_C extern
310#endif
311#ifndef PERL_XS_EXPORT_C
312# define PERL_XS_EXPORT_C
313#endif
314
462e5cf6
MB		 315#ifdef OP_IN_REGISTER
316# ifdef __GNUC__
317# define stringify_immed(s) #s
318# define stringify(s) stringify_immed(s)
d1ca3daa 319register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 320# endif
321#endif
322
5dc8bdac 323#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 324# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
325# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
326# endif
5dc8bdac
JH		 327#endif
328
728e2803 329/*
330 * STMT_START { statements; } STMT_END;
331 * can be used as a single statement, as in
332 * if (x) STMT_START { ... } STMT_END; else ...
333 *
334 * Trying to select a version that gives no warnings...
335 */
336#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 337# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 338# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 339# define STMT_END )
340# else
341 /* Now which other defined()s do we need here ??? */
93189314 342# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 343# define STMT_START if (1)
344# define STMT_END else (void)0
345# else
346# define STMT_START do
347# define STMT_END while (0)
348# endif
349# endif
350#endif
351
0cb96387 352#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 353#define WITH_THR(s) WITH_THX(s)
ea0efc06 354
55497cff 355/*
356 * SOFT_CAST can be used for args to prototyped functions to retain some
357 * type checking; it only casts if the compiler does not know prototypes.
358 */
359#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
360#define SOFT_CAST(type)
361#else
362#define SOFT_CAST(type) (type)
363#endif
79072805 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(); }
22c35a8c 415#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, 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
1109a392
MHM		 810#endif /* PERL_CORE */
811
bdf3085f
NC		 812/* We no longer default to creating a new SV for GvSV.
813 Do this before embed. */
814#ifndef PERL_CREATE_GVSV
815#define PERL_DONT_CREATE_GVSV
816#endif
817
66a93824
NIS		 818/* Cannot include embed.h here on Win32 as win32.h has not
819 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
820 */
96e176bf 821#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 822# include "embed.h"
823#endif
824
c31fac66
GS		 825#define MEM_SIZE Size_t
826
1936d2a7
NC		 827/* Round all values passed to malloc up, by default to a multiple of
828 sizeof(size_t)
829*/
830#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
831#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
832#endif
833
51371543
GS		 834#if defined(STANDARD_C) && defined(I_STDDEF)
835# include <stddef.h>
836# define STRUCT_OFFSET(s,m) offsetof(s,m)
837#else
838# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
839#endif
840
9969cdde 841#ifndef __SYMBIAN32__
27da23d5
JH		 842# if defined(I_STRING) || defined(__cplusplus)
843# include <string.h>
844# else
845# include <strings.h>
846# endif
51371543
GS		 847#endif
848
55497cff 849/* This comes after <stdlib.h> so we don't try to change the standard
850 * library prototypes; we'll use our own in proto.h instead. */
03a14243 851
4633a7c4 852#ifdef MYMALLOC
86058a2d 853# ifdef PERL_POLLUTE_MALLOC
ee13e175 854# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 855# define Perl_malloc malloc
856# define Perl_calloc calloc
857# define Perl_realloc realloc
858# define Perl_mfree free
ee13e175 859# endif
86058a2d
GS		 860# else
861# define EMBEDMYMALLOC /* for compatibility */
862# endif
827e134a 863
651b9576
GS		 864# define safemalloc Perl_malloc
865# define safecalloc Perl_calloc
866# define saferealloc Perl_realloc
867# define safefree Perl_mfree
22f7c9c9
JH		 868# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
869 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
870 code; \
871 } STMT_END
872# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
873 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
874# define panic_write2(s) write(2, s, strlen(s))
875# define CHECK_MALLOC_TAINT(newval) \
876 CHECK_MALLOC_TOO_LATE_FOR_( \
877 if (newval) { \
878 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
879 exit(1); })
22f7c9c9 880# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 881 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 882 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
883 }} STMT_END;
f2517201
GS		 884#else /* MYMALLOC */
885# define safemalloc safesysmalloc
886# define safecalloc safesyscalloc
887# define saferealloc safesysrealloc
888# define safefree safesysfree
22f7c9c9
JH		 889# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
890# define CHECK_MALLOC_TAINT(newval) ((void)0)
891# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 892#endif /* MYMALLOC */
4633a7c4 893
27da23d5 894#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		 895#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
896#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
897#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
898
a0d0e21e
LW		 899#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
900#define strchr index
901#define strrchr rindex
902#endif
903
16d20bd9
AD		 904#ifdef I_MEMORY
905# include <memory.h>
906#endif
907
fe14fcc3 908#ifdef HAS_MEMCPY
85e6fe83 909# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 910# ifndef memcpy
20ce7b12 911 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 912# endif
913# endif
914#else
915# ifndef memcpy
916# ifdef HAS_BCOPY
917# define memcpy(d,s,l) bcopy(s,d,l)
918# else
919# define memcpy(d,s,l) my_bcopy(s,d,l)
920# endif
921# endif
922#endif /* HAS_MEMCPY */
fe14fcc3 923
ee0007ab 924#ifdef HAS_MEMSET
85e6fe83 925# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 926# ifndef memset
20ce7b12 927 extern char *memset (char*, int, int);
ee0007ab
LW		 928# endif
929# endif
ee0007ab 930#else
12ae5dfc 931# undef memset
fc36a67e 932# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 933#endif /* HAS_MEMSET */
934
85e6fe83 935#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 936# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 937# define memmove(d,s,l) bcopy(s,d,l)
938# else
2304df62 939# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 940# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 941# else
79072805 942# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 943# endif
352d5a3a 944# endif
d9d8d8de 945#endif
ee0007ab 946
36477c24 947#if defined(mips) && defined(ultrix) && !defined(__STDC__)
948# undef HAS_MEMCMP
949#endif
950
951#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 952# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 953# ifndef memcmp
20ce7b12 954 extern int memcmp (char*, char*, int);
ee0007ab
LW		 955# endif
956# endif
36477c24 957# ifdef BUGGY_MSC
7e4e8c89 958# pragma function(memcmp)
36477c24 959# endif
ee0007ab
LW		 960#else
961# ifndef memcmp
ecfc5424 962# define memcmp my_memcmp
352d5a3a 963# endif
36477c24 964#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 965
fc36a67e 966#ifndef memzero
c635e13b 967# ifdef HAS_MEMSET
968# define memzero(d,l) memset(d,0,l)
79072805 969# else
c635e13b 970# ifdef HAS_BZERO
971# define memzero(d,l) bzero(d,l)
79072805 972# else
fc36a67e 973# define memzero(d,l) my_bzero(d,l)
79072805
LW		 974# endif
975# endif
d9d8d8de 976#endif
378cc40b 977
2f42fcb0 978#ifndef PERL_MICRO
0f27ced1
JH		 979#ifndef memchr
980# ifndef HAS_MEMCHR
981# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
982# endif
983#endif
2f42fcb0 984#endif
0f27ced1 985
36477c24 986#ifndef HAS_BCMP
987# ifndef bcmp
988# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 989# endif
36477c24 990#endif /* !HAS_BCMP */
378cc40b 991
ae986130 992#ifdef I_NETINET_IN
79072805 993# include <netinet/in.h>
ae986130
LW		 994#endif
995
28e8609d
JH		 996#ifdef I_ARPA_INET
997# include <arpa/inet.h>
998#endif
999
84902520
TB		 1000#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1001/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1002 * (the neo-BSD seem to do this). */
1003# undef SF_APPEND
1004#endif
1005
1aef975c 1006#ifdef I_SYS_STAT
84902520 1007# include <sys/stat.h>
1aef975c 1008#endif
79072805 1009
a0d0e21e
LW		 1010/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1011 like UTekV) are broken, sometimes giving false positives. Undefine
1012 them here and let the code below set them to proper values.
1013
1014 The ghs macro stands for GreenHills Software C-1.8.5 which
1015 is the C compiler for sysV88 and the various derivatives.
1016 This header file bug is corrected in gcc-2.5.8 and later versions.
1017 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1018
1019#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1020# undef S_ISDIR
1021# undef S_ISCHR
1022# undef S_ISBLK
1023# undef S_ISREG
1024# undef S_ISFIFO
1025# undef S_ISLNK
ee0007ab 1026#endif
135863df 1027
663a0e37
LW		 1028#ifdef I_TIME
1029# include <time.h>
ffed7fef 1030#endif
663a0e37 1031
fe14fcc3 1032#ifdef I_SYS_TIME
85e6fe83 1033# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1034# define KERNEL
1035# endif
1036# include <sys/time.h>
85e6fe83 1037# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1038# undef KERNEL
1039# endif
a687059c 1040#endif
135863df 1041
55497cff 1042#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1043# include <sys/times.h>
d9d8d8de 1044#endif
8d063cd8 1045
fe14fcc3 1046#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1047# undef HAS_STRERROR
663a0e37
LW		 1048#endif
1049
1050#include <errno.h>
1e743fda 1051
acfe0abc 1052#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1053# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1054#endif
1055
8cfab5ff
JH		 1056/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1057 * This is important for using IPv6.
1058 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1059 * a bad idea since it breaks send() and recv(). */
1060#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1061# define _SOCKADDR_LEN
1062#endif
1063
8d3f517a 1064#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1065# include <sys/socket.h>
1066# if defined(USE_SOCKS) && defined(I_SOCKS)
1067# if !defined(INCLUDE_PROTOTYPES)
1068# define INCLUDE_PROTOTYPES /* for <socks.h> */
1069# define PERL_SOCKS_NEED_PROTOTYPES
1070# endif
1071# include <socks.h>
1072# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1073# undef INCLUDE_PROTOTYPES
1074# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1075# endif
d460ef45 1076# endif
1e743fda 1077# ifdef I_NETDB
2986a63f
JH		 1078# ifdef NETWARE
1079# include<stdio.h>
1080# endif
1e743fda
JH		 1081# include <netdb.h>
1082# endif
1083# ifndef ENOTSOCK
1084# ifdef I_NET_ERRNO
1085# include <net/errno.h>
1086# endif
1087# endif
1088#endif
1089
fa0a29af 1090/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1091 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1092 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1093#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1094# if defined(__THROW) && defined(__GLIBC__)
1095int sockatmark(int) __THROW;
1096# else
2ef53570 1097int sockatmark(int);
29820b6d 1098# endif
2ef53570
JH		 1099#endif
1100
1e743fda
JH		 1101#ifdef SETERRNO
1102# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1103#endif
f86702cc 1104
1105#ifdef VMS
1106# define SETERRNO(errcode,vmserrcode) \
1107 STMT_START { \
1108 set_errno(errcode); \
1109 set_vaxc_errno(vmserrcode); \
1110 } STMT_END
93189314
JH		 1111# define LIB_INVARG LIB$_INVARG
1112# define RMS_DIR RMS$_DIR
1113# define RMS_FAC RMS$_FAC
1114# define RMS_FEX RMS$_FEX
1115# define RMS_FNF RMS$_FNF
1116# define RMS_IFI RMS$_IFI
1117# define RMS_ISI RMS$_ISI
1118# define RMS_PRV RMS$_PRV
1119# define SS_ACCVIO SS$_ACCVIO
1120# define SS_DEVOFFLINE SS$_DEVOFFLINE
1121# define SS_IVCHAN SS$_IVCHAN
1122# define SS_NORMAL SS$_NORMAL
748a9306 1123#else
aba27d88 1124# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1125# define LIB_INVARG 0
1126# define RMS_DIR 0
1127# define RMS_FAC 0
1128# define RMS_FEX 0
1129# define RMS_FNF 0
1130# define RMS_IFI 0
1131# define RMS_ISI 0
1132# define RMS_PRV 0
1133# define SS_ACCVIO 0
1134# define SS_DEVOFFLINE 0
1135# define SS_IVCHAN 0
1136# define SS_NORMAL 0
748a9306 1137#endif
ed6116ce 1138
3db8f154 1139#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1140/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1141#define DEFSV GvSVn(PL_defgv)
3db8f154 1142#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1143
98eae8f5
GS		 1144#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1145
55497cff 1146#ifndef errno
5ff3f7a4
GS		 1147 extern int errno; /* ANSI allows errno to be an lvalue expr.
1148 * For example in multithreaded environments
1149 * something like this might happen:
1150 * extern int *_errno(void);
1151 * #define errno (*_errno()) */
d9d8d8de 1152#endif
663a0e37 1153
2304df62 1154#ifdef HAS_STRERROR
a0d0e21e 1155# ifdef VMS
20ce7b12 1156 char *strerror (int,...);
a0d0e21e 1157# else
68dc0745 1158#ifndef DONT_DECLARE_STD
20ce7b12 1159 char *strerror (int);
68dc0745 1160#endif
a0d0e21e 1161# endif
2304df62
AD		 1162# ifndef Strerror
1163# define Strerror strerror
1164# endif
1165#else
1166# ifdef HAS_SYS_ERRLIST
79072805
LW		 1167 extern int sys_nerr;
1168 extern char *sys_errlist[];
2304df62
AD		 1169# ifndef Strerror
1170# define Strerror(e) \
79072805 1171 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1172# endif
79072805 1173# endif
35c8bce7 1174#endif
663a0e37 1175
2304df62 1176#ifdef I_SYS_IOCTL
79072805
LW		 1177# ifndef _IOCTL_
1178# include <sys/ioctl.h>
1179# endif
a687059c
LW		 1180#endif
1181
ee0007ab 1182#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1183# ifdef HAS_SOCKETPAIR
1184# undef HAS_SOCKETPAIR
1185# endif
2304df62
AD		 1186# ifdef I_NDBM
1187# undef I_NDBM
79072805 1188# endif
a687059c
LW		 1189#endif
1190
02fc2eee
NC		 1191#ifndef HAS_SOCKETPAIR
1192# ifdef HAS_SOCKET
1193# define socketpair Perl_my_socketpair
1194# endif
1195#endif
1196
a687059c 1197#if INTSIZE == 2
79072805
LW		 1198# define htoni htons
1199# define ntohi ntohs
a687059c 1200#else
79072805
LW		 1201# define htoni htonl
1202# define ntohi ntohl
a687059c
LW		 1203#endif
1204
a0d0e21e 1205/* Configure already sets Direntry_t */
35c8bce7 1206#if defined(I_DIRENT)
663a0e37 1207# include <dirent.h>
8f1f23e8
W		 1208 /* NeXT needs dirent + sys/dir.h */
1209# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1210# include <sys/dir.h>
1211# endif
ae986130 1212#else
fe14fcc3 1213# ifdef I_SYS_NDIR
79a0689e 1214# include <sys/ndir.h>
663a0e37 1215# else
fe14fcc3 1216# ifdef I_SYS_DIR
79a0689e
LW		 1217# ifdef hp9000s500
1218# include <ndir.h> /* may be wrong in the future */
1219# else
1220# include <sys/dir.h>
1221# endif
663a0e37
LW		 1222# endif
1223# endif
4633a7c4 1224#endif
a687059c 1225
12ae5dfc
JH		 1226#ifdef PERL_MICRO
1227# ifndef DIR
1228# define DIR void
1229# endif
1230#endif
1231
352d5a3a
LW		 1232#ifdef FPUTS_BOTCH
1233/* work around botch in SunOS 4.0.1 and 4.0.2 */
1234# ifndef fputs
79072805 1235# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1236# endif
1237#endif
1238
c623bd54
LW		 1239/*
1240 * The following gobbledygook brought to you on behalf of __STDC__.
1241 * (I could just use #ifndef __STDC__, but this is more bulletproof
1242 * in the face of half-implementations.)
1243 */
1244
7114a2d2 1245#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1246#include <sys/mode.h>
1247#endif
1248
c623bd54
LW		 1249#ifndef S_IFMT
1250# ifdef _S_IFMT
1251# define S_IFMT _S_IFMT
1252# else
1253# define S_IFMT 0170000
1254# endif
1255#endif
1256
1257#ifndef S_ISDIR
1258# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1259#endif
1260
1261#ifndef S_ISCHR
1262# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1263#endif
1264
1265#ifndef S_ISBLK
fe14fcc3
LW		 1266# ifdef S_IFBLK
1267# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1268# else
1269# define S_ISBLK(m) (0)
1270# endif
c623bd54
LW		 1271#endif
1272
1273#ifndef S_ISREG
1274# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1275#endif
1276
1277#ifndef S_ISFIFO
fe14fcc3
LW		 1278# ifdef S_IFIFO
1279# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1280# else
1281# define S_ISFIFO(m) (0)
1282# endif
c623bd54
LW		 1283#endif
1284
1285#ifndef S_ISLNK
1286# ifdef _S_ISLNK
1287# define S_ISLNK(m) _S_ISLNK(m)
1288# else
1289# ifdef _S_IFLNK
1290# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1291# else
1292# ifdef S_IFLNK
1293# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1294# else
1295# define S_ISLNK(m) (0)
1296# endif
1297# endif
1298# endif
1299#endif
1300
1301#ifndef S_ISSOCK
1302# ifdef _S_ISSOCK
1303# define S_ISSOCK(m) _S_ISSOCK(m)
1304# else
1305# ifdef _S_IFSOCK
1306# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1307# else
1308# ifdef S_IFSOCK
1309# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1310# else
1311# define S_ISSOCK(m) (0)
1312# endif
1313# endif
1314# endif
1315#endif
1316
1317#ifndef S_IRUSR
1318# ifdef S_IREAD
1319# define S_IRUSR S_IREAD
1320# define S_IWUSR S_IWRITE
1321# define S_IXUSR S_IEXEC
1322# else
1323# define S_IRUSR 0400
1324# define S_IWUSR 0200
1325# define S_IXUSR 0100
1326# endif
fac7cdfc
JS		 1327#endif
1328
1329#ifndef S_IRGRP
1330# ifdef S_IRUSR
1331# define S_IRGRP (S_IRUSR>>3)
1332# define S_IWGRP (S_IWUSR>>3)
1333# define S_IXGRP (S_IXUSR>>3)
1334# else
1335# define S_IRGRP 0040
1336# define S_IWGRP 0020
1337# define S_IXGRP 0010
1338# endif
1339#endif
1340
1341#ifndef S_IROTH
1342# ifdef S_IRUSR
1343# define S_IROTH (S_IRUSR>>6)
1344# define S_IWOTH (S_IWUSR>>6)
1345# define S_IXOTH (S_IXUSR>>6)
1346# else
1347# define S_IROTH 0040
1348# define S_IWOTH 0020
1349# define S_IXOTH 0010
1350# endif
c623bd54
LW		 1351#endif
1352
1353#ifndef S_ISUID
1354# define S_ISUID 04000
1355#endif
1356
1357#ifndef S_ISGID
1358# define S_ISGID 02000
1359#endif
1360
ca6e1c26
JH		 1361#ifndef S_IRWXU
1362# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1363#endif
ca6e1c26
JH		 1364
1365#ifndef S_IRWXG
1366# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1367#endif
ca6e1c26
JH		 1368
1369#ifndef S_IRWXO
1370# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1371#endif
ca6e1c26 1372
c21fb2b8
JH		 1373/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1374 * which would get included through <sys/file.h >, but that is 3000
1375 * lines in the future. --jhi */
1376
1377#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1378# define S_IREAD S_IRUSR
1379#endif
1380
c21fb2b8 1381#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1382# define S_IWRITE S_IWUSR
1383#endif
1384
1385#ifndef S_IEXEC
1386# define S_IEXEC S_IXUSR
1387#endif
1388
79072805
LW		 1389#ifdef ff_next
1390# undef ff_next
352d5a3a
LW		 1391#endif
1392
a0d0e21e 1393#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1394# define SLOPPYDIVIDE
1395#endif
1396
748a9306
LW		 1397#ifdef UV
1398#undef UV
1399#endif
1400
c89df6bf
JH		 1401#ifdef SPRINTF_E_BUG
1402# define sprintf UTS_sprintf_wrap
1403#endif
1404
ce582cee
NC		 1405/* For the times when you want the return value of sprintf, and you want it
1406 to be the length. Can't have a thread variable passed in, because C89 has
1407 no varargs macros.
1408*/
1409#ifdef SPRINTF_RETURNS_STRLEN
1410# define my_sprintf sprintf
1411#else
1412# define my_sprintf Perl_my_sprintf
1413#endif
1414
c495e728
JH		 1415/* Configure gets this right but the UTS compiler gets it wrong.
1416 -- Hal Morris <hom00@utsglobal.com> */
1417#ifdef UTS
1418# undef UVTYPE
1419# define UVTYPE unsigned
1420#endif
1421
05f13f53 1422/*
27d4fb96 1423 The IV type is supposed to be long enough to hold any integral
1424 value or a pointer.
1425 --Andy Dougherty August 1996
1426*/
1427
a22e52b9
JH		 1428typedef IVTYPE IV;
1429typedef UVTYPE UV;
8175356b 1430
10cc9d2a 1431#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1432# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1433# define IV_MAX INT64_MAX
1434# define IV_MIN INT64_MIN
1435# define UV_MAX UINT64_MAX
cae7ae48
JH		 1436# ifndef UINT64_MIN
1437# define UINT64_MIN 0
1438# endif
5ff3f7a4
GS		 1439# define UV_MIN UINT64_MIN
1440# else
1441# define IV_MAX PERL_QUAD_MAX
1442# define IV_MIN PERL_QUAD_MIN
1443# define UV_MAX PERL_UQUAD_MAX
1444# define UV_MIN PERL_UQUAD_MIN
1445# endif
cf2093f6
JH		 1446# define IV_IS_QUAD
1447# define UV_IS_QUAD
79072805 1448#else
8175356b 1449# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1450# define IV_MAX INT32_MAX
1451# define IV_MIN INT32_MIN
716026f9
DL		 1452# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1453# define UV_MAX UINT32_MAX
1454# else
1455# define UV_MAX 4294967295U
1456# endif
cae7ae48
JH		 1457# ifndef UINT32_MIN
1458# define UINT32_MIN 0
1459# endif
5ff3f7a4
GS		 1460# define UV_MIN UINT32_MIN
1461# else
1462# define IV_MAX PERL_LONG_MAX
1463# define IV_MIN PERL_LONG_MIN
1464# define UV_MAX PERL_ULONG_MAX
1465# define UV_MIN PERL_ULONG_MIN
1466# endif
8175356b 1467# if IVSIZE == 8
cf2093f6
JH		 1468# define IV_IS_QUAD
1469# define UV_IS_QUAD
de1c2614
JH		 1470# ifndef HAS_QUAD
1471# define HAS_QUAD
1472# endif
cf2093f6
JH		 1473# else
1474# undef IV_IS_QUAD
1475# undef UV_IS_QUAD
de1c2614 1476# undef HAS_QUAD
cf2093f6 1477# endif
79072805 1478#endif
d7d93a81 1479
1109a392
MHM		 1480#ifndef HAS_QUAD
1481# undef PERL_NEED_MY_HTOLE64
1482# undef PERL_NEED_MY_LETOH64
1483# undef PERL_NEED_MY_HTOBE64
1484# undef PERL_NEED_MY_BETOH64
1485#endif
1486
6cde8aec 1487#if defined(uts) || defined(UTS)
11afe549
HM		 1488# undef UV_MAX
1489# define UV_MAX (4294967295u)
20601011
JH		 1490#endif
1491
cae7ae48 1492#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1493#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1494
28e5dec8 1495#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1496#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1497#endif
1498
d460ef45 1499/*
26bb67e2
JH		 1500 * The macros INT2PTR and NUM2PTR are (despite their names)
1501 * bi-directional: they will convert int/float to or from pointers.
1502 * However the conversion to int/float are named explicitly:
1503 * PTR2IV, PTR2UV, PTR2NV.
1504 *
1505 * For int conversions we do not need two casts if pointers are
1506 * the same size as IV and UV. Otherwise we need an explicit
1507 * cast (PTRV) to avoid compiler warnings.
1508 */
56431972
RB		 1509#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1510# define PTRV UV
1511# define INT2PTR(any,d) (any)(d)
1512#else
d460ef45 1513# if PTRSIZE == LONGSIZE
56431972 1514# define PTRV unsigned long
e91e3b10 1515# define PTR2ul(p) (unsigned long)(p)
42718184 1516# else
56431972 1517# define PTRV unsigned
42718184 1518# endif
e91e3b10
RB		 1519#endif
1520
1521#ifndef INT2PTR
56431972 1522# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1523#endif
e91e3b10
RB		 1524
1525#ifndef PTR2ul
1526# define PTR2ul(p) INT2PTR(unsigned long,p)
1527#endif
1528
56431972
RB		 1529#define NUM2PTR(any,d) (any)(PTRV)(d)
1530#define PTR2IV(p) INT2PTR(IV,p)
1531#define PTR2UV(p) INT2PTR(UV,p)
1532#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1533#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1534
8141890a
JH		 1535/* According to strict ANSI C89 one cannot freely cast between
1536 * data pointers and function (code) pointers. There are at least
1537 * two ways around this. One (used below) is to do two casts,
1538 * first the other pointer to an (unsigned) integer, and then
1539 * the integer to the other pointer. The other way would be
1540 * to use unions to "overlay" the pointers. For an example of
1541 * the latter technique, see union dirpu in struct xpvio in sv.h.
1542 * The only feasible use is probably temporarily storing
1543 * function pointers in a data pointer (such as a void pointer). */
1544
e91e3b10
RB		 1545#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1546#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1547
65202027 1548#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1549# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1550# define LONG_DOUBLE_EQUALS_DOUBLE
1551# endif
68d4903c 1552# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1553# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1554# endif
1555#endif
1556
2d4389e4
JH		 1557#ifdef OVR_DBL_DIG
1558/* Use an overridden DBL_DIG */
1559# ifdef DBL_DIG
1560# undef DBL_DIG
1561# endif
1562# define DBL_DIG OVR_DBL_DIG
1563#else
1564/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1565 default value for printing floating point numbers in Gconvert
1566 (see config.h). (It also has other uses, such as figuring out if
1567 a given precision of printing can be done with a double instead of
1568 a long double - Allen).
2d4389e4
JH		 1569*/
1570#ifdef I_LIMITS
1571#include <limits.h>
1572#endif
1573#ifdef I_FLOAT
1574#include <float.h>
1575#endif
1576#ifndef HAS_DBL_DIG
1577#define DBL_DIG 15 /* A guess that works lots of places */
1578#endif
1579#endif
cbca01e1
JH		 1580#ifdef I_FLOAT
1581#include <float.h>
1582#endif
1583#ifndef HAS_DBL_DIG
1584#define DBL_DIG 15 /* A guess that works lots of places */
1585#endif
2d4389e4
JH		 1586
1587#ifdef OVR_LDBL_DIG
1588/* Use an overridden LDBL_DIG */
1589# ifdef LDBL_DIG
1590# undef LDBL_DIG
1591# endif
1592# define LDBL_DIG OVR_LDBL_DIG
1593#else
1594/* The following is all to get LDBL_DIG, in order to pick a nice
1595 default value for printing floating point numbers in Gconvert.
1596 (see config.h)
1597*/
68d4903c
JH		 1598# ifdef I_LIMITS
1599# include <limits.h>
1600# endif
1601# ifdef I_FLOAT
1602# include <float.h>
1603# endif
1604# ifndef HAS_LDBL_DIG
1605# if LONG_DOUBLESIZE == 10
1606# define LDBL_DIG 18 /* assume IEEE */
1607# else
1608# if LONG_DOUBLESIZE == 12
1609# define LDBL_DIG 18 /* gcc? */
1610# else
1611# if LONG_DOUBLESIZE == 16
1612# define LDBL_DIG 33 /* assume IEEE */
1613# else
1614# if LONG_DOUBLESIZE == DOUBLESIZE
1615# define LDBL_DIG DBL_DIG /* bummer */
1616# endif
1617# endif
1618# endif
1619# endif
1620# endif
2d4389e4
JH		 1621#endif
1622
20f6aaab
AS		 1623/*
1624 * This is for making sure we have a good DBL_MAX value, if possible,
1625 * either for usage as NV_MAX or for usage in figuring out if we can
1626 * fit a given long double into a double, if bug-fixing makes it
1627 * necessary to do so. - Allen <allens@cpan.org>
1628 */
1629
205f51d8
AS		 1630#ifdef I_LIMITS
1631# include <limits.h>
20f6aaab
AS		 1632#endif
1633
205f51d8
AS		 1634#ifdef I_VALUES
1635# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1636# include <values.h>
1637# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1638# define DBL_MAX MAXDOUBLE
1639# endif
1640# if defined(MINDOUBLE) && !defined(DBL_MIN)
1641# define DBL_MIN MINDOUBLE
1642# endif
1643# endif
1644#endif /* defined(I_VALUES) */
1645
a22e52b9 1646typedef NVTYPE NV;
8175356b 1647
792d8dab
JH		 1648#ifdef I_IEEEFP
1649# include <ieeefp.h>
1650#endif
923fc586 1651
65202027 1652#ifdef USE_LONG_DOUBLE
923fc586
JH		 1653# ifdef I_SUNMATH
1654# include <sunmath.h>
1655# endif
2d4389e4 1656# define NV_DIG LDBL_DIG
d6c14000
JH		 1657# ifdef LDBL_MANT_DIG
1658# define NV_MANT_DIG LDBL_MANT_DIG
1659# endif
06fc1729
JH		 1660# ifdef LDBL_MIN
1661# define NV_MIN LDBL_MIN
1662# endif
1663# ifdef LDBL_MAX
1664# define NV_MAX LDBL_MAX
1665# endif
1666# ifdef LDBL_MIN_10_EXP
1667# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1668# endif
1669# ifdef LDBL_MAX_10_EXP
1670# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1671# endif
1672# ifdef LDBL_EPSILON
1673# define NV_EPSILON LDBL_EPSILON
1674# endif
f4a14a62
JH		 1675# ifdef LDBL_MAX
1676# define NV_MAX LDBL_MAX
20f6aaab 1677/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1678# else
1679# ifdef HUGE_VALL
1680# define NV_MAX HUGE_VALL
1681# else
1682# ifdef HUGE_VAL
1683# define NV_MAX ((NV)HUGE_VAL)
1684# endif
1685# endif
1686# endif
68d4903c 1687# ifdef HAS_SQRTL
68d4903c
JH		 1688# define Perl_cos cosl
1689# define Perl_sin sinl
1690# define Perl_sqrt sqrtl
1691# define Perl_exp expl
1692# define Perl_log logl
1693# define Perl_atan2 atan2l
1694# define Perl_pow powl
1695# define Perl_floor floorl
1bbae031 1696# define Perl_ceil ceill
68d4903c
JH		 1697# define Perl_fmod fmodl
1698# endif
a3540c92
JH		 1699/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1700# ifdef HAS_MODFL
1701# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1702/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1703 prototype in <math.h> */
1704# ifndef HAS_MODFL_PROTO
a221a8a5 1705EXTERN_C long double modfl(long double, long double *);
51997bc3 1706# endif
03476e8e
JH		 1707# else
1708# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1709 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1710# define Perl_modf(x,y) Perl_my_modfl(x,y)
1711# endif
a3540c92
JH		 1712# endif
1713# ifdef HAS_FREXPL
dff3e0b8 1714# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1715# else
1716# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1717 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1718# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1719# endif
a3540c92 1720# endif
38dbb4c5 1721# ifndef Perl_isnan
758a5d79
JH		 1722# ifdef HAS_ISNANL
1723# define Perl_isnan(x) isnanl(x)
1724# endif
1725# endif
1726# ifndef Perl_isinf
1727# ifdef HAS_FINITEL
1728# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1729# endif
1730# endif
65202027 1731#else
2d4389e4 1732# define NV_DIG DBL_DIG
d6c14000
JH		 1733# ifdef DBL_MANT_DIG
1734# define NV_MANT_DIG DBL_MANT_DIG
1735# endif
06fc1729
JH		 1736# ifdef DBL_MIN
1737# define NV_MIN DBL_MIN
1738# endif
1739# ifdef DBL_MAX
1740# define NV_MAX DBL_MAX
1741# endif
1742# ifdef DBL_MIN_10_EXP
1743# define NV_MIN_10_EXP DBL_MIN_10_EXP
1744# endif
1745# ifdef DBL_MAX_10_EXP
1746# define NV_MAX_10_EXP DBL_MAX_10_EXP
1747# endif
1748# ifdef DBL_EPSILON
1749# define NV_EPSILON DBL_EPSILON
1750# endif
205f51d8 1751# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1752# define NV_MAX DBL_MAX
1753# define NV_MIN DBL_MIN
1754# else
1755# ifdef HUGE_VAL
1756# define NV_MAX HUGE_VAL
1757# endif
1758# endif
65202027
DS		 1759# define Perl_cos cos
1760# define Perl_sin sin
1761# define Perl_sqrt sqrt
1762# define Perl_exp exp
1763# define Perl_log log
1764# define Perl_atan2 atan2
1765# define Perl_pow pow
1766# define Perl_floor floor
1bbae031 1767# define Perl_ceil ceil
65202027 1768# define Perl_fmod fmod
a3540c92 1769# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1770# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1771#endif
1772
1773/* rumor has it that Win32 has _fpclass() */
1774
205f51d8
AS		 1775/* SGI has fpclassl... but not with the same result values,
1776 * and it's via a typedef (not via #define), so will need to redo Configure
1777 * to use. Not worth the trouble, IMO, at least until the below is used
1778 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1779 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1780 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1781
758a5d79
JH		 1782#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1783# ifdef I_IEEFP
1784# include <ieeefp.h>
1785# endif
1786# ifdef I_FP
1787# include <fp.h>
1788# endif
1789# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1790# define Perl_fp_class() fpclassl(x)
1791# else
1792# define Perl_fp_class() fpclass(x)
1793# endif
1794# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1795# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1796# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1797# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1798# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1799# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1800# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1801# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1802# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1803# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1804# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1805# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1806# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1807# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1808# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1809#endif
1810
7114a2d2 1811#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1812# include <math.h>
1813# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1814# include <fp_class.h>
1815# endif
1816# define Perl_fp_class(x) fp_class(x)
1817# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1818# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1819# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1820# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1821# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1822# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1823# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1824# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1825# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1826# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1827# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1828# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1829# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1830# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1831# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1832#endif
1833
1834#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1835# include <math.h>
1836# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1837# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1838# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1839# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1840# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1841# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1842#endif
1843
1844#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1845# include <math.h>
1846# ifndef _cplusplus
1847# define Perl_fp_class(x) class(x)
1848# else
1849# define Perl_fp_class(x) _class(x)
1850# endif
1851# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1852# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1853# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1854# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1855# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1856# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1857# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1858# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1859# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1860# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1861# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1862# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1863# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1864# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1865# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1866#endif
1867
1868/* rumor has it that Win32 has _isnan() */
1869
1870#ifndef Perl_isnan
a3540c92 1871# ifdef HAS_ISNAN
758a5d79
JH		 1872# define Perl_isnan(x) isnan((NV)x)
1873# else
1874# ifdef Perl_fp_class_nan
1875# define Perl_isnan(x) Perl_fp_class_nan(x)
1876# else
1877# ifdef HAS_UNORDERED
1878# define Perl_isnan(x) unordered((x), 0.0)
1879# else
1880# define Perl_isnan(x) ((x)!=(x))
1881# endif
1882# endif
1883# endif
1884#endif
1885
ca6c63e1
JH		 1886#ifdef UNDER_CE
1887int isnan(double d);
1888#endif
1889
758a5d79
JH		 1890#ifndef Perl_isinf
1891# ifdef HAS_ISINF
1892# define Perl_isinf(x) isinf((NV)x)
a3540c92 1893# else
758a5d79
JH		 1894# ifdef Perl_fp_class_inf
1895# define Perl_isinf(x) Perl_fp_class_inf(x)
1896# else
1897# define Perl_isinf(x) ((x)==NV_INF)
1898# endif
1899# endif
1900#endif
1901
1902#ifndef Perl_isfinite
1903# ifdef HAS_FINITE
1904# define Perl_isfinite(x) finite((NV)x)
1905# else
1906# ifdef HAS_ISFINITE
1907# define Perl_isfinite(x) isfinite(x)
1908# else
1909# ifdef Perl_fp_class_finite
1910# define Perl_isfinite(x) Perl_fp_class_finite(x)
1911# else
1912# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1913# endif
1914# endif
a3540c92 1915# endif
65202027
DS		 1916#endif
1917
a36244b7
JH		 1918/* The default is to use Perl's own atof() implementation (in numeric.c).
1919 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1920 * it is however best to use the native implementation of atof.
1921 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1922 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1923 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1924 * you may need to be using a different function than atof! */
a36244b7
JH		 1925
1926#ifndef USE_PERL_ATOF
1927# ifndef _UNICOS
1928# define USE_PERL_ATOF
1929# endif
1930#else
1931# if USE_PERL_ATOF == 0
1932# undef USE_PERL_ATOF
1933# endif
1934#endif
1935
1936#ifdef USE_PERL_ATOF
1937# define Perl_atof(s) Perl_my_atof(s)
1938# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1939#else
1940# define Perl_atof(s) (NV)atof(s)
1941# define Perl_atof2(s, n) ((n) = atof(s))
1942#endif
cf2093f6 1943
d460ef45 1944/* Previously these definitions used hardcoded figures.
760ac839
LW		 1945 * It is hoped these formula are more portable, although
1946 * no data one way or another is presently known to me.
1947 * The "PERL_" names are used because these calculated constants
1948 * do not meet the ANSI requirements for LONG_MAX, etc., which
1949 * need to be constants acceptable to #if - kja
1950 * define PERL_LONG_MAX 2147483647L
1951 * define PERL_LONG_MIN (-LONG_MAX - 1)
1952 * define PERL ULONG_MAX 4294967295L
1953 */
1954
1955#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1956# include <limits.h>
760ac839 1957#endif
205f51d8
AS		 1958/* Included values.h above if necessary; still including limits.h down here,
1959 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1960
99abf803 1961/*
1962 * Try to figure out max and min values for the integral types. THE CORRECT
1963 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1964 * following hacks are used if neither limits.h or values.h provide them:
1965 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1966 * for types < int: (unsigned TYPE)~(unsigned)0
1967 * The argument to ~ must be unsigned so that later signed->unsigned
1968 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1969 * and it must not be smaller than int because ~ does integral promotion.
1970 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1971 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1972 * The latter is a hack which happens to work on some machines but
1973 * does *not* catch any random system, or things like integer types
1974 * with NaN if that is possible.
1975 *
1976 * All of the types are explicitly cast to prevent accidental loss of
1977 * numeric range, and in the hope that they will be less likely to confuse
1978 * over-eager optimizers.
1979 *
1980 */
27d4fb96 1981
99abf803 1982#define PERL_UCHAR_MIN ((unsigned char)0)
1983
1984#ifdef UCHAR_MAX
1985# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1986#else
99abf803 1987# ifdef MAXUCHAR
1988# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1989# else
99abf803 1990# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1991# endif
1992#endif
d460ef45 1993
99abf803 1994/*
1995 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1996 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1997 * depending on local options. Until Configure detects this (or at least
1998 * detects whether the "signed" keyword is available) the CHAR ranges
1999 * will not be included. UCHAR functions normally.
2000 * - kja
2001 */
27d4fb96 2002
99abf803 2003#define PERL_USHORT_MIN ((unsigned short)0)
2004
2005#ifdef USHORT_MAX
2006# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2007#else
99abf803 2008# ifdef MAXUSHORT
2009# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2010# else
ef2f54b0
CB		 2011# ifdef USHRT_MAX
2012# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2013# else
2014# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2015# endif
27d4fb96 2016# endif
2017#endif
2018
27d4fb96 2019#ifdef SHORT_MAX
99abf803 2020# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2021#else
2022# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2023# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2024# else
ef2f54b0
CB		 2025# ifdef SHRT_MAX
2026# define PERL_SHORT_MAX ((short)SHRT_MAX)
2027# else
2028# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2029# endif
27d4fb96 2030# endif
2031#endif
2032
2033#ifdef SHORT_MIN
99abf803 2034# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2035#else
2036# ifdef MINSHORT
99abf803 2037# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2038# else
ef2f54b0
CB		 2039# ifdef SHRT_MIN
2040# define PERL_SHORT_MIN ((short)SHRT_MIN)
2041# else
2042# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2043# endif
27d4fb96 2044# endif
2045#endif
2046
99abf803 2047#ifdef UINT_MAX
2048# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2049#else
99abf803 2050# ifdef MAXUINT
2051# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2052# else
99abf803 2053# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2054# endif
2055#endif
2056
99abf803 2057#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2058
2059#ifdef INT_MAX
99abf803 2060# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2061#else
2062# ifdef MAXINT /* Often used in <values.h> */
99abf803 2063# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2064# else
99abf803 2065# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2066# endif
2067#endif
2068
2069#ifdef INT_MIN
99abf803 2070# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2071#else
2072# ifdef MININT
99abf803 2073# define PERL_INT_MIN ((int)MININT)
27d4fb96 2074# else
2075# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2076# endif
2077#endif
2078
99abf803 2079#ifdef ULONG_MAX
2080# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2081#else
99abf803 2082# ifdef MAXULONG
2083# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2084# else
99abf803 2085# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2086# endif
2087#endif
2088
99abf803 2089#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2090
760ac839 2091#ifdef LONG_MAX
99abf803 2092# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2093#else
2094# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2095# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2096# else
99abf803 2097# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2098# endif
2099#endif
2100
2101#ifdef LONG_MIN
99abf803 2102# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2103#else
2104# ifdef MINLONG
99abf803 2105# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2106# else
27d4fb96 2107# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2108# endif
2109#endif
2110
d7d93a81 2111#ifdef UV_IS_QUAD
99abf803 2112
99abf803 2113# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2114# define PERL_UQUAD_MIN ((UV)0)
99abf803 2115# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2116# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2117
79072805
LW		 2118#endif
2119
22f7c9c9
JH		 2120#ifdef MYMALLOC
2121# include "malloc_ctl.h"
2122#endif
2123
830247a4 2124struct RExC_state_t;
880b20b6 2125
ee0007ab 2126typedef MEM_SIZE STRLEN;
450a55e4 2127
79072805
LW		 2128typedef struct op OP;
2129typedef struct cop COP;
2130typedef struct unop UNOP;
2131typedef struct binop BINOP;
2132typedef struct listop LISTOP;
2133typedef struct logop LOGOP;
79072805
LW		 2134typedef struct pmop PMOP;
2135typedef struct svop SVOP;
7934575e 2136typedef struct padop PADOP;
79072805 2137typedef struct pvop PVOP;
79072805
LW		 2138typedef struct loop LOOP;
2139
93a17b20 2140typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2141
2142/* Amdahl's <ksync.h> has struct sv */
2143/* SGI's <sys/sema.h> has struct sv */
2144#if defined(UTS) || defined(__sgi)
2145# define STRUCT_SV perl_sv
b8d3c5db
JH		 2146#else
2147# define STRUCT_SV sv
2148#endif
2149typedef struct STRUCT_SV SV;
79072805
LW		 2150typedef struct av AV;
2151typedef struct hv HV;
2152typedef struct cv CV;
378cc40b 2153typedef struct regexp REGEXP;
79072805 2154typedef struct gp GP;
0c30d9ec 2155typedef struct gv GV;
8990e307 2156typedef struct io IO;
c09156bb 2157typedef struct context PERL_CONTEXT;
79072805
LW		 2158typedef struct block BLOCK;
2159
2160typedef struct magic MAGIC;
2161typedef struct xpv XPV;
2162typedef struct xpviv XPVIV;
ff68c719 2163typedef struct xpvuv XPVUV;
79072805
LW		 2164typedef struct xpvnv XPVNV;
2165typedef struct xpvmg XPVMG;
2166typedef struct xpvlv XPVLV;
2167typedef struct xpvav XPVAV;
2168typedef struct xpvhv XPVHV;
2169typedef struct xpvgv XPVGV;
2170typedef struct xpvcv XPVCV;
2171typedef struct xpvbm XPVBM;
2172typedef struct xpvfm XPVFM;
8990e307 2173typedef struct xpvio XPVIO;
79072805
LW		 2174typedef struct mgvtbl MGVTBL;
2175typedef union any ANY;
5f7fde29
GS		 2176typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2177typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2178typedef struct clone_params CLONE_PARAMS;
2179
378cc40b 2180#include "handy.h"
a0d0e21e 2181
6b8eaf93 2182#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2183# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2184# define USE_64_BIT_RAWIO /* implicit */
2185# endif
4564133c
JH		 2186#endif
2187
6b8eaf93
JH		 2188/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2189 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2190 * however, because operating systems like to do that themself. */
2191#ifndef FSEEKSIZE
2192# ifdef HAS_FSEEKO
2193# define FSEEKSIZE LSEEKSIZE
2194# else
2195# define FSEEKSIZE LONGSIZE
d460ef45 2196# endif
6b8eaf93
JH		 2197#endif
2198
2199#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2200# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2201# define USE_64_BIT_STDIO /* implicit */
2202# endif
2203#endif
4564133c 2204
09458382 2205#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2206# ifdef HAS_OFF64_T
2207# undef Off_t
2208# define Off_t off64_t
2209# undef LSEEKSIZE
2210# define LSEEKSIZE 8
5ff3f7a4 2211# endif
d9b3e12d
JH		 2212/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2213 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2214 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2215# if defined(USE_OPEN64)
2216# define open open64
5ff3f7a4 2217# endif
d9b3e12d
JH		 2218# if defined(USE_LSEEK64)
2219# define lseek lseek64
6b8eaf93
JH		 2220# else
2221# if defined(USE_LLSEEK)
2222# define lseek llseek
2223# endif
d9b3e12d
JH		 2224# endif
2225# if defined(USE_STAT64)
2226# define stat stat64
2227# endif
2228# if defined(USE_FSTAT64)
2229# define fstat fstat64
2230# endif
2231# if defined(USE_LSTAT64)
2232# define lstat lstat64
2233# endif
2234# if defined(USE_FLOCK64)
2235# define flock flock64
2236# endif
2237# if defined(USE_LOCKF64)
2238# define lockf lockf64
2239# endif
2240# if defined(USE_FCNTL64)
2241# define fcntl fcntl64
2242# endif
2243# if defined(USE_TRUNCATE64)
2244# define truncate truncate64
2245# endif
2246# if defined(USE_FTRUNCATE64)
2247# define ftruncate ftruncate64
2248# endif
2249#endif
2250
2251#ifdef USE_64_BIT_STDIO
2252# ifdef HAS_FPOS64_T
2253# undef Fpos_t
2254# define Fpos_t fpos64_t
2255# endif
2256/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2257 * will trigger defines like the ones below. Some 64-bit environments,
2258 * however, do not. */
2259# if defined(USE_FOPEN64)
2260# define fopen fopen64
2261# endif
2262# if defined(USE_FSEEK64)
6b8eaf93 2263# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2264# endif
2265# if defined(USE_FTELL64)
6b8eaf93 2266# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2267# endif
2268# if defined(USE_FSETPOS64)
2269# define fsetpos fsetpos64
2270# endif
2271# if defined(USE_FGETPOS64)
2272# define fgetpos fgetpos64
2273# endif
2274# if defined(USE_TMPFILE64)
2275# define tmpfile tmpfile64
2276# endif
2277# if defined(USE_FREOPEN64)
2278# define freopen freopen64
5ff3f7a4
GS		 2279# endif
2280#endif
2281
af8b425d 2282#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2283# include "iperlsys.h"
2284#endif
2285
6f71a643 2286#if defined(__OPEN_VM)
19848b3f
JH		 2287# include "vmesa/vmesaish.h"
2288# define ISHISH "vmesa"
6f71a643
JH		 2289#endif
2290
748a9306 2291#ifdef DOSISH
19848b3f
JH		 2292# if defined(OS2)
2293# include "os2ish.h"
2294# else
2295# include "dosish.h"
2296# endif
2297# define ISHISH "dos"
2298#endif
2299
2300#if defined(VMS)
748a9306 2301# include "vmsish.h"
96e176bf 2302# include "embed.h"
19848b3f
JH		 2303# define ISHISH "vms"
2304#endif
2305
2306#if defined(PLAN9)
2307# include "./plan9/plan9ish.h"
2308# define ISHISH "plan9"
2309#endif
2310
2311#if defined(MPE)
2312# include "mpeix/mpeixish.h"
2313# define ISHISH "mpeix"
2314#endif
2315
2316#if defined(__VOS__)
196918b0
PG		 2317# ifdef __GNUC__
2318# include "./vos/vosish.h"
2319# else
2320# include "vos/vosish.h"
2321# endif
19848b3f
JH		 2322# define ISHISH "vos"
2323#endif
2324
2325#if defined(EPOC)
2326# include "epocish.h"
2327# define ISHISH "epoc"
2328#endif
2329
9969cdde 2330#ifdef __SYMBIAN32__
27da23d5
JH		 2331# include "symbian/symbianish.h"
2332# include "embed.h"
2333# define ISHISH "symbian"
2334#endif
2335
19848b3f
JH		 2336#if defined(MACOS_TRADITIONAL)
2337# include "macos/macish.h"
2338# ifndef NO_ENVIRON_ARRAY
2339# define NO_ENVIRON_ARRAY
0c30d9ec 2340# endif
19848b3f
JH		 2341# define ISHISH "macos classic"
2342#endif
2343
efca5cc6
JH		 2344#if defined(__BEOS__)
2345# include "beos/beosish.h"
2346# define ISHISH "beos"
2347#endif
2348
19848b3f
JH		 2349#ifndef ISHISH
2350# include "unixish.h"
2351# define ISHISH "unix"
13b6e58c
JH		 2352#endif
2353
2946a158
JH		 2354/* NSIG logic from Configure --> */
2355/* Strange style to avoid deeply-nested #if/#else/#endif */
2356#ifndef NSIG
2357# ifdef _NSIG
2358# define NSIG (_NSIG)
2359# endif
2360#endif
2361
2362#ifndef NSIG
2363# ifdef SIGMAX
2364# define NSIG (SIGMAX+1)
2365# endif
2366#endif
2367
2368#ifndef NSIG
2369# ifdef SIG_MAX
2370# define NSIG (SIG_MAX+1)
2371# endif
2372#endif
2373
2374#ifndef NSIG
2375# ifdef _SIG_MAX
2376# define NSIG (_SIG_MAX+1)
2377# endif
2378#endif
2379
2380#ifndef NSIG
2381# ifdef MAXSIG
2382# define NSIG (MAXSIG+1)
2383# endif
2384#endif
2385
2386#ifndef NSIG
2387# ifdef MAX_SIG
2388# define NSIG (MAX_SIG+1)
2389# endif
2390#endif
2391
2392#ifndef NSIG
2393# ifdef SIGARRAYSIZE
2394# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2395# endif
2396#endif
2397
2398#ifndef NSIG
2399# ifdef _sys_nsig
2400# define NSIG (_sys_nsig) /* Solaris 2.5 */
2401# endif
2402#endif
2403
2404/* Default to some arbitrary number that's big enough to get most
2405 of the common signals.
2406*/
2407#ifndef NSIG
2408# define NSIG 50
2409#endif
2410/* <-- NSIG logic from Configure */
2411
13b6e58c
JH		 2412#ifndef NO_ENVIRON_ARRAY
2413# define USE_ENVIRON_ARRAY
2414#endif
32f822de 2415
c77b533b
JH		 2416/*
2417 * initialise to avoid floating-point exceptions from overflow, etc
2418 */
2419#ifndef PERL_FPU_INIT
2420# ifdef HAS_FPSETMASK
2421# if HAS_FLOATINGPOINT_H
2422# include <floatingpoint.h>
2423# endif
2424# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2425# else
2f42fcb0 2426# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2427# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2428# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2429# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2430# else
2431# define PERL_FPU_INIT
2f42fcb0 2432
7014c407 2433# endif
c77b533b
JH		 2434# endif
2435#endif
b35112e7
CS		 2436#ifndef PERL_FPU_PRE_EXEC
2437# define PERL_FPU_PRE_EXEC {
2438# define PERL_FPU_POST_EXEC }
2439#endif
c77b533b 2440
ed344e4f
IZ		 2441#ifndef PERL_SYS_INIT3
2442# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2443#endif
2444
be708cc0
JH		 2445#ifndef PERL_WRITE_MSG_TO_CONSOLE
2446# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2447#endif
2448
0f31cffe
GS		 2449#ifndef MAXPATHLEN
2450# ifdef PATH_MAX
b990c8b2
JH		 2451# ifdef _POSIX_PATH_MAX
2452# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2453/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2454 * included the null byte or not. Later amendments of POSIX,
2455 * XPG4, the Austin Group, and the Single UNIX Specification
2456 * all explicitly include the null byte in the PATH_MAX.
2457 * Ditto for _POSIX_PATH_MAX. */
2458# define MAXPATHLEN PATH_MAX
b990c8b2 2459# else
09448d78 2460# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2461# endif
2462# else
2463# define MAXPATHLEN (PATH_MAX+1)
2464# endif
0f31cffe 2465# else
b990c8b2 2466# ifdef _POSIX_PATH_MAX
09448d78 2467# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2468# else
2469# define MAXPATHLEN 1024 /* Err on the large side. */
2470# endif
0f31cffe
GS		 2471# endif
2472#endif
2473
c80263a8
SH		 2474/* In case Configure was not used (we are using a "canned config"
2475 * such as Win32, or a cross-compilation setup, for example) try going
2476 * by the gcc major and minor versions. One useful URL is
2477 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2478 * but contrary to this information warn_unused_result seems
2479 * not to be in gcc 3.3.5, at least. --jhi
2480 * Set these up now otherwise we get confused when some of the <*thread.h>
2481 * includes below indirectly pull in <perlio.h> (which needs to know if we
2482 * have HASATTRIBUTE_FORMAT).
2483 */
2484
2485#if defined __GNUC__
2486# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2487# define HASATTRIBUTE_FORMAT
2488# endif
2489# if __GNUC__ >= 3 /* 3.0 -> */
2490# define HASATTRIBUTE_MALLOC
2491# endif
2492# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2493# define HASATTRIBUTE_NONNULL
2494# endif
2495# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2496# define HASATTRIBUTE_NORETURN
2497# endif
2498# if __GNUC__ >= 3 /* gcc 3.0 -> */
2499# define HASATTRIBUTE_PURE
2500# endif
2501# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2502# define HASATTRIBUTE_UNUSED
2503# endif
2504# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2505# define HASATTRIBUTE_WARN_UNUSED_RESULT
2506# endif
2507#endif
2508
3db8f154 2509/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2510 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2511 * this results in many functions being undeclared which bothers C++
2512 * May make sense to have threads after "*ish.h" anyway
2513 */
2514
3db8f154 2515#if defined(USE_ITHREADS)
2986a63f
JH		 2516# ifdef NETWARE
2517# include <nw5thread.h>
2518# else
32f822de
GS		 2519# ifdef FAKE_THREADS
2520# include "fakethr.h"
2521# else
2522# ifdef WIN32
2523# include <win32thread.h>
2524# else
dd96f567
IZ		 2525# ifdef OS2
2526# include "os2thread.h"
2527# else
7f3d1cf1 2528# ifdef I_MACH_CTHREADS
bdd66968 2529# include <mach/cthreads.h>
8f1f23e8 2530# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2531# define MUTEX_INIT_CALLS_MALLOC
2532# endif
7f3d1cf1
BH		 2533typedef cthread_t perl_os_thread;
2534typedef mutex_t perl_mutex;
2535typedef condition_t perl_cond;
2536typedef void * perl_key;
2537# else /* Posix threads */
1f5ae88c
JH		 2538# ifdef I_PTHREAD
2539# include <pthread.h>
2540# endif
7f3d1cf1
BH		 2541typedef pthread_t perl_os_thread;
2542typedef pthread_mutex_t perl_mutex;
2543typedef pthread_cond_t perl_cond;
2544typedef pthread_key_t perl_key;
2545# endif /* I_MACH_CTHREADS */
dd96f567 2546# endif /* OS2 */
32f822de
GS		 2547# endif /* WIN32 */
2548# endif /* FAKE_THREADS */
2986a63f 2549#endif /* NETWARE */
3db8f154 2550#endif /* USE_ITHREADS */
c5be433b 2551
66a93824 2552#if defined(WIN32)
1feb2720 2553# include "win32.h"
c5be433b
GS		 2554#endif
2555
2986a63f
JH		 2556#ifdef NETWARE
2557# include "netware.h"
2558#endif
2559
e5218da5 2560#define STATUS_UNIX PL_statusvalue
68dc0745 2561#ifdef VMS
6b88bc9c 2562# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2563/*
2564 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2565 * it's contents can not be trusted. Unfortunately, Perl seems to check
2566 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2567 * be updated also.
2568 */
2569# include <stsdef.h>
2570# include <ssdef.h>
2571/* Presume this because if VMS changes it, it will require a new
2572 * set of APIs for waiting on children for binary compatibility.
2573 */
2574# define child_offset_bits (8)
2575# ifndef C_FAC_POSIX
2576# define C_FAC_POSIX 0x35A000
2577# endif
2578
2579/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2580 * platform from the existing UNIX or Native status values.
2581 */
2582
37038d91 2583# define STATUS_EXIT \
7a7fd8e0
JM		 2584 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2585 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2586
7a7fd8e0 2587
fb38d079
JM		 2588/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2589 * exit code and shifts the UNIX value over the correct number of bits to
2590 * be a child status. Usually the number of bits is 8, but that could be
2591 * platform dependent. The NATIVE status code is presumed to have either
2592 * from a child process.
7a7fd8e0
JM		 2593 */
2594
fb38d079
JM		 2595/* This is complicated. The child processes return a true native VMS
2596 status which must be saved. But there is an assumption in Perl that
2597 the UNIX child status has some relationship to errno values, so
2598 Perl tries to translate it to text in some of the tests.
2599 In order to get the string translation correct, for the error, errno
2600 must be EVMSERR, but that generates a different text message
2601 than what the test programs are expecting. So an errno value must
2602 be derived from the native status value when an error occurs.
2603 That will hide the true native status message. With this version of
2604 perl, the true native child status can always be retrieved so that
2605 is not a problem. But in this case, Pl_statusvalue and errno may
2606 have different values in them.
2607 */
7a7fd8e0 2608
fb38d079 2609# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2610 STMT_START { \
2fbb330f
JM		 2611 I32 evalue = (I32)n; \
2612 if (evalue == EVMSERR) { \
2613 PL_statusvalue_vms = vaxc$errno; \
2614 PL_statusvalue = evalue; \
7a7fd8e0 2615 } else { \
2fbb330f 2616 PL_statusvalue_vms = evalue; \
fb38d079 2617 if (evalue == -1) { \
3280af22 2618 PL_statusvalue = -1; \
7a7fd8e0
JM		 2619 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2620 } else \
fb38d079 2621 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2622 set_vaxc_errno(evalue); \
fb38d079
JM		 2623 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2624 set_errno(EVMSERR); \
2625 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2626 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2627 } \
68dc0745 2628 } STMT_END
7a7fd8e0 2629
68dc0745 2630# ifdef VMSISH_STATUS
e5218da5 2631# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2632# else
e5218da5 2633# define STATUS_CURRENT STATUS_UNIX
68dc0745 2634# endif
7a7fd8e0
JM		 2635
2636 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2637 * the NATIVE status to an equivalent value. Can not be used to translate
2638 * exit code values as exit code values are not guaranteed to have any
2639 * relationship at all to errno values.
2640 * This is used when Perl is forcing errno to have a specific value.
2641 */
e5218da5 2642# define STATUS_UNIX_SET(n) \
68dc0745 2643 STMT_START { \
7a7fd8e0 2644 I32 evalue = (I32)n; \
0968cdad 2645 PL_statusvalue = evalue; \
3280af22 2646 if (PL_statusvalue != -1) { \
0968cdad
JM		 2647 if (PL_statusvalue != EVMSERR) { \
2648 PL_statusvalue &= 0xFFFF; \
2649 if (MY_POSIX_EXIT) \
2650 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2651 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2652 } \
2653 else { \
2654 PL_statusvalue_vms = vaxc$errno; \
2655 } \
68dc0745 2656 } \
0968cdad
JM		 2657 else PL_statusvalue_vms = SS$_ABORT; \
2658 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2659 } STMT_END
2660
2661 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2662 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2663 * the UNIX/POSIX exit codes have any relationship to errno, except
2664 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2665 * with the Perl VMS documentation, any other code sets the NATIVE
2666 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2667 *
2668 * In the new POSIX EXIT mode, native status will be set so that the
2669 * actual exit code will can be retrieved by the calling program or
2670 * shell.
2671 *
2672 * If the exit code is not clearly a UNIX parent or child exit status,
2673 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2674 */
2675
fb38d079 2676# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2677 STMT_START { \
2678 I32 evalue = (I32)n; \
2679 PL_statusvalue = evalue; \
fb38d079
JM		 2680 if (evalue != -1) { \
2681 if (evalue <= 0xFF00) { \
2682 if (evalue > 0xFF) \
2683 evalue = (evalue >> child_offset_bits) & 0xFF; \
2684 if (evalue == 0) \
2685 PL_statusvalue_vms == SS$_NORMAL; \
2686 else \
2687 if (MY_POSIX_EXIT) \
2688 PL_statusvalue_vms = \
2689 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
2690 (STS$K_ERROR | STS$M_INHIB_MSG) : 0); \
0968cdad 2691 else \
6ac6a52b 2692 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2693 } else { /* forgive them Perl, for they have sinned */ \
2694 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2695 else PL_statusvalue_vms = vaxc$errno; \
2696 /* And obviously used a VMS status value instead of UNIX */ \
2697 PL_statusvalue = EVMSERR; \
2698 } \
7a7fd8e0
JM		 2699 } \
2700 else PL_statusvalue_vms = SS$_ABORT; \
2701 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2702 } STMT_END
fb38d079 2703
6ac6a52b
JM		 2704 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2705 * and sets the NATIVE error status based on it. This special case
2706 * is needed to maintain compatibility with past VMS behavior.
2707 *
2708 * In the default mode on VMS, this number is passed through as
2709 * both the NATIVE and UNIX status. Which makes it different
2710 * that the STATUS_UNIX_EXIT_SET.
2711 *
2712 * In the new POSIX EXIT mode, native status will be set so that the
2713 * actual exit code will can be retrieved by the calling program or
2714 * shell.
2715 *
2716 */
2717
2718# define STATUS_EXIT_SET(n) \
2719 STMT_START { \
2720 I32 evalue = (I32)n; \
2721 PL_statusvalue = evalue; \
2722 if (MY_POSIX_EXIT) \
2723 PL_statusvalue_vms = \
2724 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
2725 (STS$K_ERROR | STS$M_INHIB_MSG) : 0); \
2726 else \
2727 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2728 set_vaxc_errno(PL_statusvalue_vms); \
2729 } STMT_END
2730
fb38d079
JM		 2731
2732 /* This macro forces a success status */
7a7fd8e0
JM		 2733# define STATUS_ALL_SUCCESS \
2734 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2735
2736 /* This macro forces a failure status */
7a7fd8e0
JM		 2737# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2738 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2739 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2740
68dc0745 2741#else
e5218da5 2742# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2743# if defined(WCOREDUMP)
37038d91 2744# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2745 STMT_START { \
2746 PL_statusvalue_posix = (n); \
2747 if (PL_statusvalue_posix == -1) \
2748 PL_statusvalue = -1; \
2749 else { \
2750 PL_statusvalue = \
2751 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2752 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2753 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2754 } \
2755 } STMT_END
2756# elif defined(WIFEXITED)
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 } \
2767 } STMT_END
2768# else
37038d91 2769# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2770 STMT_START { \
2771 PL_statusvalue_posix = (n); \
2772 if (PL_statusvalue_posix == -1) \
2773 PL_statusvalue = -1; \
2774 else { \
2775 PL_statusvalue = \
2776 PL_statusvalue_posix & 0xFFFF; \
2777 } \
2778 } STMT_END
2779# endif
2780# define STATUS_UNIX_SET(n) \
68dc0745 2781 STMT_START { \
3280af22
NIS		 2782 PL_statusvalue = (n); \
2783 if (PL_statusvalue != -1) \
2784 PL_statusvalue &= 0xFFFF; \
68dc0745 2785 } STMT_END
7a7fd8e0 2786# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2787# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2788# define STATUS_CURRENT STATUS_UNIX
37038d91 2789# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2790# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2791# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2792#endif
2793
cc3604b1
GS		 2794/* flags in PL_exit_flags for nature of exit() */
2795#define PERL_EXIT_EXPECTED 0x01
31d77e54 2796#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2797
0b94c7bb 2798#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2799# define MEMBER_TO_FPTR(name) name
2800#endif
2801
2802/* format to use for version numbers in file/directory names */
273cf8d1 2803/* XXX move to Configure? */
a7cb1f99 2804#ifndef PERL_FS_VER_FMT
273cf8d1 2805# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2806#endif
2807
45bc9206 2808/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2809 * performance issue, so we allow people to disable it. Also, if
2810 * we are using stdio, there are broken implementations of fflush(NULL)
2811 * out there, Solaris being the most prominent.
45bc9206
GS		 2812 */
2813#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2814# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2815# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2816# else
2817# ifdef FFLUSH_ALL
2818# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2819# else
c5be433b 2820# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2821# endif
66fe083f 2822# endif
45bc9206
GS		 2823#endif
2824
7766f137
GS		 2825#ifndef PERL_WAIT_FOR_CHILDREN
2826# define PERL_WAIT_FOR_CHILDREN NOOP
2827#endif
2828
ba869deb 2829/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2830#ifndef PERL_SET_INTERP
2831# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2832#endif
2833
2834#ifndef PERL_GET_INTERP
2835# define PERL_GET_INTERP (PL_curinterp)
2836#endif
2837
54aff467 2838#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2839# ifdef MULTIPLICITY
ba869deb 2840# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2841# endif
ba869deb
GS		 2842# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2843#endif
2844
8896765a
RB		 2845/*
2846 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2847 All that is required is that the perl source does not
8896765a
RB		 2848 use "%-p" or "%-<number>p" or "%<number>p" formats.
2849 These formats will still work in perl code.
2850 See comments in sv.c for futher details.
2851
2852 -DvdNUMBER=<number> can be used to redefine VDf
2853
2854 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2855 which works properly but gives compiler warnings
2856
2857 Robin Barker 2005-07-14
0dbb1585 2858*/
8896765a
RB		 2859
2860#ifndef SVf_
63ce7bf0 2861# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2862#endif
2863
8896765a 2864#ifndef SVf
104abab4 2865# define SVf "-p"
d2560b70
RB		 2866#endif
2867
014ead4b 2868#ifndef SVf32
8896765a 2869# define SVf32 SVf_(32)
014ead4b
RB		 2870#endif
2871
2872#ifndef SVf256
8896765a
RB		 2873# define SVf256 SVf_(256)
2874#endif
2875
2876#ifndef vdNUMBER
2877# define vdNUMBER 1
2878#endif
2879
2880#ifndef VDf
2881# if vdNUMBER
63ce7bf0 2882# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2883# else
2884# define VDf "vd"
2885# endif
014ead4b
RB		 2886#endif
2887
2888#ifndef UVf
2889# define UVf UVuf
d2560b70
RB		 2890#endif
2891
0dbb1585
AL		 2892#ifdef HASATTRIBUTE_FORMAT
2893# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2894#endif
2895#ifdef HASATTRIBUTE_MALLOC
77785eea 2896# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2897#endif
0dbb1585 2898#ifdef HASATTRIBUTE_NONNULL
abb2c242 2899# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2900#endif
0dbb1585 2901#ifdef HASATTRIBUTE_NORETURN
abb2c242 2902# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2903#endif
0dbb1585 2904#ifdef HASATTRIBUTE_PURE
abb2c242 2905# define __attribute__pure__ __attribute__((pure))
f22be1b8 2906#endif
0dbb1585
AL		 2907#ifdef HASATTRIBUTE_UNUSED
2908# define __attribute__unused__ __attribute__((unused))
2909#endif
2910#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2911# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2912#endif
2913
0dbb1585
AL		 2914/* If we haven't defined the attributes yet, define them to blank. */
2915#ifndef __attribute__format__
2916# define __attribute__format__(x,y,z)
2917#endif
f22be1b8 2918#ifndef __attribute__malloc__
abb2c242 2919# define __attribute__malloc__
f22be1b8
JH		 2920#endif
2921#ifndef __attribute__nonnull__
abb2c242 2922# define __attribute__nonnull__(a)
f22be1b8
JH		 2923#endif
2924#ifndef __attribute__noreturn__
abb2c242 2925# define __attribute__noreturn__
f22be1b8
JH		 2926#endif
2927#ifndef __attribute__pure__
abb2c242 2928# define __attribute__pure__
f22be1b8 2929#endif
0dbb1585
AL		 2930#ifndef __attribute__unused__
2931# define __attribute__unused__
2932#endif
f22be1b8 2933#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2934# define __attribute__warn_unused_result__
2935#endif
2936
0dbb1585
AL		 2937/* For functions that are marked as __attribute__noreturn__, it's not
2938 appropriate to call return. In either case, include the lint directive.
2939 */
2940#ifdef HASATTRIBUTE_NORETURN
2941# define NORETURN_FUNCTION_END /* NOT REACHED */
2942#else
2943# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2944#endif
2945
3fc1aec6 2946/* Some unistd.h's give a prototype for pause() even though
2947 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2948 below to be rejected by the compiler. Sigh.
3fc1aec6 2949*/
2950#ifdef HAS_PAUSE
2951#define Pause pause
2952#else
2953#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2954#endif
2955
2956#ifndef IOCPARM_LEN
2957# ifdef IOCPARM_MASK
2958 /* on BSDish systes we're safe */
2959# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2960# else
2961 /* otherwise guess at what's safe */
2962# define IOCPARM_LEN(x) 256
2963# endif
a0d0e21e
LW		 2964#endif
2965
1761cee5 2966#if defined(__CYGWIN__)
521e0776
GS		 2967/* USEMYBINMODE
2968 * This symbol, if defined, indicates that the program should
16fe6d59 2969 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2970 * that a file is in "binary" mode -- that is, that no translation
2971 * of bytes occurs on read or write operations.
2972 */
36894f0b 2973# define USEMYBINMODE /**/
77a40698 2974# include <io.h> /* for setmode() prototype */
16fe6d59 2975# define my_binmode(fp, iotype, mode) \
77a40698 2976 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2977#endif
2978
88d10794
JH		 2979#ifdef __CYGWIN__
2980void init_os_extras(void);
2981#endif
2982
cea2e8a9
GS		 2983#ifdef UNION_ANY_DEFINITION
2984UNION_ANY_DEFINITION;
2985#else
2986union any {
2987 void* any_ptr;
2988 I32 any_i32;
2989 IV any_iv;
2990 long any_long;
9febdf04 2991 bool any_bool;
c76ac1ee 2992 void (*any_dptr) (void*);
acfe0abc 2993 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2994};
2995#endif
2996
acfe0abc 2997typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2998
2999#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3000#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3001#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3002
c5078cac
JH		 3003#if defined(_AIX) && !defined(_AIX43)
3004#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3005/* We cannot include <crypt.h> to get the struct crypt_data
3006 * because of setkey prototype problems when threading */
3007typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3008 /* From OSF, Not needed in AIX
3009 char C[28], D[28];
3010 */
3011 char E[48];
3012 char KS[16][48];
3013 char block[66];
3014 char iobuf[16];
3015} CRYPTD;
3016#endif /* threading */
3017#endif /* AIX */
3018
af8b425d 3019#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3020# include "iperlsys.h"
3021#endif
504f80c1 3022
d10dc2ae
JH		 3023/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3024 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3025 * defined by Configure, despite their names being similar to the
3026 * other defines like USE_ITHREADS. Configure in fact knows nothing
3027 * about the randomised hashes. Therefore to enable/disable the hash
3028 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3029#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3030# define USE_HASH_SEED
504f80c1
JH		 3031#endif
3032
378cc40b 3033#include "regexp.h"
79072805 3034#include "sv.h"
378cc40b 3035#include "util.h"
8d063cd8 3036#include "form.h"
79072805 3037#include "gv.h"
dd2155a4 3038#include "pad.h"
79072805 3039#include "cv.h"
abdd5c84 3040#include "opnames.h"
79072805
LW		 3041#include "op.h"
3042#include "cop.h"
3043#include "av.h"
3044#include "hv.h"
3045#include "mg.h"
3046#include "scope.h"
4438c4b7 3047#include "warnings.h"
a0ed51b3 3048#include "utf8.h"
8d063cd8 3049
7fae4e64
GS		 3050/* Current curly descriptor */
3051typedef struct curcur CURCUR;
3052struct curcur {
3053 int parenfloor; /* how far back to strip paren data */
3054 int cur; /* how many instances of scan we've matched */
3055 int min; /* the minimal number of scans to match */
3056 int max; /* the maximal number of scans to match */
3057 int minmod; /* whether to work our way up or down */
3058 regnode * scan; /* the thing to match */
3059 regnode * next; /* what has to match after it */
3060 char * lastloc; /* where we started matching this scan */
3061 CURCUR * oldcc; /* current curly before we started this one */
3062};
3063
3064typedef struct _sublex_info SUBLEXINFO;
3065struct _sublex_info {
3066 I32 super_state; /* lexer state to save */
3067 I32 sub_inwhat; /* "lex_inwhat" to use */
3068 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3069 char *super_bufptr; /* PL_bufptr that was */
3070 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3071};
3072
455ece5e 3073typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3074
2c2d71f5 3075struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3076struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 3077
3078typedef I32 CHECKPOINT;
76e3520e 3079
6f51351d
NC		 3080/* Keep next first in this structure, because sv_free_arenas take
3081 advantage of this to share code between the pte arenas and the SV
3082 body arenas */
5f7fde29
GS		 3083struct ptr_tbl_ent {
3084 struct ptr_tbl_ent* next;
53c1dcc0 3085 const void* oldval;
5f7fde29 3086 void* newval;
d18c6117
GS		 3087};
3088
5f7fde29
GS		 3089struct ptr_tbl {
3090 struct ptr_tbl_ent** tbl_ary;
3091 UV tbl_max;
3092 UV tbl_items;
d18c6117
GS		 3093};
3094
450a55e4 3095#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3096# define I286
3097#endif
3098
fe14fcc3
LW		 3099#if defined(htonl) && !defined(HAS_HTONL)
3100#define HAS_HTONL
ae986130 3101#endif
fe14fcc3
LW		 3102#if defined(htons) && !defined(HAS_HTONS)
3103#define HAS_HTONS
ae986130 3104#endif
fe14fcc3
LW		 3105#if defined(ntohl) && !defined(HAS_NTOHL)
3106#define HAS_NTOHL
ae986130 3107#endif
fe14fcc3
LW		 3108#if defined(ntohs) && !defined(HAS_NTOHS)
3109#define HAS_NTOHS
ae986130 3110#endif
fe14fcc3 3111#ifndef HAS_HTONL
d9d8d8de 3112#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3113#define HAS_HTONS
3114#define HAS_HTONL
3115#define HAS_NTOHS
3116#define HAS_NTOHL
a687059c
LW		 3117#define MYSWAP
3118#define htons my_swap
3119#define htonl my_htonl
3120#define ntohs my_swap
3121#define ntohl my_ntohl
3122#endif
3123#else
d9d8d8de 3124#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3125#undef HAS_HTONS
3126#undef HAS_HTONL
3127#undef HAS_NTOHS
3128#undef HAS_NTOHL
a687059c
LW		 3129#endif
3130#endif
3131
988174c1
LW		 3132/*
3133 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3134 * -DWS
3135 */
3136#if BYTEORDER != 0x1234
3137# define HAS_VTOHL
3138# define HAS_VTOHS
3139# define HAS_HTOVL
3140# define HAS_HTOVS
c67712b2 3141# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3142# define vtohl(x) ((((x)&0xFF)<<24) \
3143 +(((x)>>24)&0xFF) \
3144 +(((x)&0x0000FF00)<<8) \
3145 +(((x)&0x00FF0000)>>8) )
3146# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3147# define htovl(x) vtohl(x)
3148# define htovs(x) vtohs(x)
3149# endif
3150 /* otherwise default to functions in util.c */
2a8c3029 3151#ifndef htovs
c623ac67
GS		 3152short htovs(short n);
3153short vtohs(short n);
3154long htovl(long n);
3155long vtohl(long n);
988174c1 3156#endif
2a8c3029 3157#endif
988174c1 3158
3bb7c1b4
JH		 3159/* *MAX Plus 1. A floating point value.
3160 Hopefully expressed in a way that dodgy floating point can't mess up.
3161 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3162 is added to it
3163 May find that some broken compiler will want the value cast to I32.
3164 [after the shift, as signed >> may not be as secure as unsigned >>]
3165*/
3166#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3167#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3168/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3169 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3170 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3171*/
3172#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3173
3bb7c1b4
JH		 3174#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3175#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3176#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3177
3178/* This may look like unnecessary jumping through hoops, but converting
3179 out of range floating point values to integers *is* undefined behaviour,
3180 and it is starting to bite.
3181*/
3182#ifndef CAST_INLINE
65202027 3183#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3184#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3185#define I_V(what) (cast_iv((NV)(what)))
3186#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3187#else
3188#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3189 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3190 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3191#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3192 : ((n) < U32_MAX_P1 ? (U32) (n) \
3193 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3194#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3195 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3196 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3197#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3198 : ((n) < UV_MAX_P1 ? (UV) (n) \
3199 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3200#endif
3201
3202#define U_S(what) ((U16)U_32(what))
3203#define U_I(what) ((unsigned int)U_32(what))
3204#define U_L(what) U_32(what)
ed6116ce 3205
2d4389e4
JH		 3206/* These do not care about the fractional part, only about the range. */
3207#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3208#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3209
25da4f38
IZ		 3210/* Used with UV/IV arguments: */
3211 /* XXXX: need to speed it up */
3212#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3213#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3214
352d5a3a
LW		 3215#ifndef MAXSYSFD
3216# define MAXSYSFD 2
3217#endif
ee0007ab 3218
79072805 3219#ifndef __cplusplus
27da23d5 3220#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3221Uid_t getuid (void);
3222Uid_t geteuid (void);
3223Gid_t getgid (void);
3224Gid_t getegid (void);
79072805 3225#endif
e1caacb4 3226#endif
8d063cd8 3227
0c30d9ec 3228#ifndef Perl_debug_log
bf49b057
GS		 3229# define Perl_debug_log PerlIO_stderr()
3230#endif
3231
3232#ifndef Perl_error_log
3233# define Perl_error_log (PL_stderrgv \
6b78add2 3234 && isGV(PL_stderrgv) \
01bb7c6d 3235 && GvIOp(PL_stderrgv) \
42de951c 3236 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3237 ? IoOFP(GvIOp(PL_stderrgv)) \
3238 : PerlIO_stderr())
0c30d9ec 3239#endif
3967c732 3240
aea4f609
DM		 3241
3242#define DEBUG_p_FLAG 0x00000001 /* 1 */
3243#define DEBUG_s_FLAG 0x00000002 /* 2 */
3244#define DEBUG_l_FLAG 0x00000004 /* 4 */
3245#define DEBUG_t_FLAG 0x00000008 /* 8 */
3246#define DEBUG_o_FLAG 0x00000010 /* 16 */
3247#define DEBUG_c_FLAG 0x00000020 /* 32 */
3248#define DEBUG_P_FLAG 0x00000040 /* 64 */
3249#define DEBUG_m_FLAG 0x00000080 /* 128 */
3250#define DEBUG_f_FLAG 0x00000100 /* 256 */
3251#define DEBUG_r_FLAG 0x00000200 /* 512 */
3252#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3253#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3254 /* spare */
aea4f609
DM		 3255#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3256#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3257#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3258#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3259#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3260#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3261#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3262#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3263#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3264#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3265#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3266#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3267
3268#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3269#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3270 that something was done? */
aea4f609 3271
bd16a5f0
IZ		 3272# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3273# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3274# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3275# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3276# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3277# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3278# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3279# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3280# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3281# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3282# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3283# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3284# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3285# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3286# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3287# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3288# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3289# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3290# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3291# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3292# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3293# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3294# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3295# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3296
3967c732 3297#ifdef DEBUGGING
aea4f609 3298
bd16a5f0
IZ		 3299# define DEBUG_p_TEST DEBUG_p_TEST_
3300# define DEBUG_s_TEST DEBUG_s_TEST_
3301# define DEBUG_l_TEST DEBUG_l_TEST_
3302# define DEBUG_t_TEST DEBUG_t_TEST_
3303# define DEBUG_o_TEST DEBUG_o_TEST_
3304# define DEBUG_c_TEST DEBUG_c_TEST_
3305# define DEBUG_P_TEST DEBUG_P_TEST_
3306# define DEBUG_m_TEST DEBUG_m_TEST_
3307# define DEBUG_f_TEST DEBUG_f_TEST_
3308# define DEBUG_r_TEST DEBUG_r_TEST_
3309# define DEBUG_x_TEST DEBUG_x_TEST_
3310# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3311# define DEBUG_H_TEST DEBUG_H_TEST_
3312# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3313# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3314# define DEBUG_D_TEST DEBUG_D_TEST_
3315# define DEBUG_S_TEST DEBUG_S_TEST_
3316# define DEBUG_T_TEST DEBUG_T_TEST_
3317# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3318# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3319# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3320# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3321# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3322# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3323
488b0c7a
JH		 3324# define PERL_DEB(a) a
3325# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3326# define DEBUG_p(a) if (DEBUG_p_TEST) a
3327# define DEBUG_s(a) if (DEBUG_s_TEST) a
3328# define DEBUG_l(a) if (DEBUG_l_TEST) a
3329# define DEBUG_t(a) if (DEBUG_t_TEST) a
3330# define DEBUG_o(a) if (DEBUG_o_TEST) a
3331# define DEBUG_c(a) if (DEBUG_c_TEST) a
3332# define DEBUG_P(a) if (DEBUG_P_TEST) a
3333
969058bb
VK		 3334 /* Temporarily turn off memory debugging in case the a
3335 * does memory allocation, either directly or indirectly. */
acfe0abc 3336# define DEBUG_m(a) \
0b250b9e 3337 STMT_START { \
aea4f609 3338 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3339 } STMT_END
aea4f609 3340
5f80b19c
AMS		 3341# define DEBUG__(t, a) \
3342 STMT_START { \
3343 if (t) STMT_START {a;} STMT_END; \
3344 } STMT_END
3345
3346# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3347# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3348# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3349# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3350# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3351# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3352# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3353# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3354
3db8f154 3355# define DEBUG_S(a)
aea4f609 3356
5f80b19c
AMS		 3357# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3358# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3359# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3360# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3361# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3362# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3363
3364#else /* DEBUGGING */
3365
3366# define DEBUG_p_TEST (0)
3367# define DEBUG_s_TEST (0)
3368# define DEBUG_l_TEST (0)
3369# define DEBUG_t_TEST (0)
3370# define DEBUG_o_TEST (0)
3371# define DEBUG_c_TEST (0)
3372# define DEBUG_P_TEST (0)
3373# define DEBUG_m_TEST (0)
3374# define DEBUG_f_TEST (0)
3375# define DEBUG_r_TEST (0)
3376# define DEBUG_x_TEST (0)
3377# define DEBUG_u_TEST (0)
aea4f609
DM		 3378# define DEBUG_H_TEST (0)
3379# define DEBUG_X_TEST (0)
dd2155a4 3380# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3381# define DEBUG_D_TEST (0)
3382# define DEBUG_S_TEST (0)
3383# define DEBUG_T_TEST (0)
04932ac8 3384# define DEBUG_R_TEST (0)
1045810a 3385# define DEBUG_J_TEST (0)
d6721266 3386# define DEBUG_v_TEST (0)
46187eeb 3387# define DEBUG_C_TEST (0)
ecae49c0
NC		 3388# define DEBUG_A_TEST (0)
3389# define DEBUG_q_TEST (0)
aea4f609 3390
488b0c7a
JH		 3391# define PERL_DEB(a)
3392# define PERL_DEBUG(a)
aea4f609
DM		 3393# define DEBUG_p(a)
3394# define DEBUG_s(a)
3395# define DEBUG_l(a)
3396# define DEBUG_t(a)
3397# define DEBUG_o(a)
3398# define DEBUG_c(a)
3399# define DEBUG_P(a)
3400# define DEBUG_m(a)
3401# define DEBUG_f(a)
3402# define DEBUG_r(a)
3403# define DEBUG_x(a)
3404# define DEBUG_u(a)
aea4f609
DM		 3405# define DEBUG_H(a)
3406# define DEBUG_X(a)
dd2155a4 3407# define DEBUG_Xv(a)
aea4f609
DM		 3408# define DEBUG_D(a)
3409# define DEBUG_S(a)
3410# define DEBUG_T(a)
04932ac8 3411# define DEBUG_R(a)
d6721266 3412# define DEBUG_v(a)
46187eeb 3413# define DEBUG_C(a)
ecae49c0
NC		 3414# define DEBUG_A(a)
3415# define DEBUG_q(a)
aea4f609
DM		 3416#endif /* DEBUGGING */
3417
3418
b4ab917c
DM		 3419#define DEBUG_SCOPE(where) \
3420 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3421 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3422
3423
3424
3425
d1be9408 3426/* These constants should be used in preference to raw characters
14befaf4
DM		 3427 * when using magic. Note that some perl guts still assume
3428 * certain character properties of these constants, namely that
3429 * isUPPER() and toLOWER() may do useful mappings.
3430 *
3431 * Update the magic_names table in dump.c when adding/amending these
3432 */
3433
3434#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3435#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3436#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3437#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3438#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3439#define PERL_MAGIC_regdata 'D' /* Regex match position data
3440 (@+ and @- vars) */
3441#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3442#define PERL_MAGIC_env 'E' /* %ENV hash */
3443#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3444#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3445#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3446#define PERL_MAGIC_isa 'I' /* @ISA array */
3447#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3448#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3449#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3450#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3451#define PERL_MAGIC_mutex 'm' /* for lock op */
3452#define PERL_MAGIC_shared 'N' /* Shared between threads */
3453#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3454#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3455#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3456#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3457#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3458#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3459#define PERL_MAGIC_sig 'S' /* %SIG hash */
3460#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3461#define PERL_MAGIC_taint 't' /* Taintedness */
3462#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3463#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3464#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3465#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3466#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3467#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3468#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3469 smart parameter vivification */
3470#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3471#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3472#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3473#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3474#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3475#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3476#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3477#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3478
3479
a6e633de 3480#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3481#define assert(what) PERL_DEB( \
3482 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3483 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3484 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3485 PerlProc_exit(1), \
3486 (void) 0)))
a446a88f 3487#endif
8d063cd8 3488
450a55e4 3489struct ufuncs {
24f81a43
DM		 3490 I32 (*uf_val)(pTHX_ IV, SV*);
3491 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3492 IV uf_index;
450a55e4
LW		 3493};
3494
14befaf4 3495/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3496 * XS code wanting to be backward compatible can do something
3497 * like the following:
c745e42c 3498
24f81a43 3499#ifndef PERL_MG_UFUNC
24f81a43
DM		 3500#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3501#endif
3502
3503static PERL_MG_UFUNC(foo_get, index, val)
3504{
3505 sv_setsv(val, ...);
3506 return TRUE;
3507}
3508
3509-- Doug MacEachern
3510
3511*/
3512
fc9c74e6 3513#ifndef PERL_MG_UFUNC
24f81a43 3514#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3515#endif
24f81a43 3516
fe14fcc3 3517/* Fix these up for __STDC__ */
68dc0745 3518#ifndef DONT_DECLARE_STD
20ce7b12 3519char *mktemp (char*);
37bd1396 3520#ifndef atof
20ce7b12 3521double atof (const char*);
a0d0e21e 3522#endif
37bd1396 3523#endif
79072805 3524
352d5a3a 3525#ifndef STANDARD_C
fe14fcc3 3526/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3527Time_t time();
8d063cd8 3528struct tm *gmtime(), *localtime();
092bebab 3529#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3530char *(strchr)(), *(strrchr)();
3531char *(strcpy)(), *(strcat)();
3532#else
93a17b20 3533char *strchr(), *strrchr();
378cc40b 3534char *strcpy(), *strcat();
9d116dd7 3535#endif
352d5a3a 3536#endif /* ! STANDARD_C */
8d063cd8 3537
79072805
LW		 3538
3539#ifdef I_MATH
3540# include <math.h>
3541#else
32f822de 3542START_EXTERN_C
20ce7b12
GS		 3543 double exp (double);
3544 double log (double);
3545 double log10 (double);
3546 double sqrt (double);
3547 double frexp (double,int*);
3548 double ldexp (double,int);
3549 double modf (double,double*);
3550 double sin (double);
3551 double cos (double);
3552 double atan2 (double,double);
3553 double pow (double,double);
32f822de 3554END_EXTERN_C
79072805
LW		 3555#endif
3556
aa8b85de
JH		 3557#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3558# define NV_INF LDBL_INFINITY
3559#endif
3560#if !defined(NV_INF) && defined(DBL_INFINITY)
3561# define NV_INF (NV)DBL_INFINITY
3562#endif
3563#if !defined(NV_INF) && defined(INFINITY)
3564# define NV_INF (NV)INFINITY
3565#endif
3566#if !defined(NV_INF) && defined(INF)
3567# define NV_INF (NV)INF
3568#endif
3569#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3570# define NV_INF (NV)HUGE_VALL
3571#endif
3572#if !defined(NV_INF) && defined(HUGE_VAL)
3573# define NV_INF (NV)HUGE_VAL
3574#endif
3575
3576#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3577# if !defined(NV_NAN) && defined(LDBL_NAN)
3578# define NV_NAN LDBL_NAN
3579# endif
3580# if !defined(NV_NAN) && defined(LDBL_QNAN)
3581# define NV_NAN LDBL_QNAN
3582# endif
3583# if !defined(NV_NAN) && defined(LDBL_SNAN)
3584# define NV_NAN LDBL_SNAN
3585# endif
3586#endif
3587#if !defined(NV_NAN) && defined(DBL_NAN)
3588# define NV_NAN (NV)DBL_NAN
3589#endif
3590#if !defined(NV_NAN) && defined(DBL_QNAN)
3591# define NV_NAN (NV)DBL_QNAN
3592#endif
3593#if !defined(NV_NAN) && defined(DBL_SNAN)
3594# define NV_NAN (NV)DBL_SNAN
3595#endif
3596#if !defined(NV_NAN) && defined(QNAN)
3597# define NV_NAN (NV)QNAN
3598#endif
3599#if !defined(NV_NAN) && defined(SNAN)
3600# define NV_NAN (NV)SNAN
3601#endif
3602#if !defined(NV_NAN) && defined(NAN)
3603# define NV_NAN (NV)NAN
3604#endif
3605
a0d0e21e 3606#ifndef __cplusplus
8f1f23e8 3607# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3608char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3609# else
fd8cd3a3 3610# if !defined(WIN32) && !defined(VMS)
10bc17b6 3611#ifndef crypt
20ce7b12 3612char *crypt (const char*, const char*);
10bc17b6 3613#endif
5014db98 3614# endif /* !WIN32 */
8f1f23e8 3615# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3616# ifndef DONT_DECLARE_STD
3617# ifndef getenv
20ce7b12 3618char *getenv (const char*);
26618a56 3619# endif /* !getenv */
28ca6303 3620# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3621# ifdef _FILE_OFFSET_BITS
28ca6303 3622# if _FILE_OFFSET_BITS == 64
20ce7b12 3623Off_t lseek (int,Off_t,int);
0fc67700
JH		 3624# endif
3625# endif
bf0c440f 3626# endif
26618a56 3627# endif /* !DONT_DECLARE_STD */
10bc17b6 3628#ifndef getlogin
20ce7b12 3629char *getlogin (void);
10bc17b6 3630#endif
26618a56 3631#endif /* !__cplusplus */
79072805 3632
7a7fd8e0
JM		 3633/* Fixme on VMS. This needs to be a run-time, not build time options */
3634/* Also rename() is affected by this */
16d20bd9 3635#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3636#define UNLINK unlnk
6e732051 3637I32 unlnk (const char*);
8d063cd8 3638#else
80252599 3639#define UNLINK PerlLIO_unlink
8d063cd8 3640#endif
a687059c 3641
fa0a29af
JH		 3642/* some versions of glibc are missing the setresuid() proto */
3643#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3644int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3645#endif
fa0a29af
JH		 3646/* some versions of glibc are missing the setresgid() proto */
3647#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3648int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3649#endif
3650
fe14fcc3 3651#ifndef HAS_SETREUID
85e6fe83
LW		 3652# ifdef HAS_SETRESUID
3653# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3654# define HAS_SETREUID
3655# endif
a687059c 3656#endif
fe14fcc3 3657#ifndef HAS_SETREGID
85e6fe83
LW		 3658# ifdef HAS_SETRESGID
3659# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3660# define HAS_SETREGID
3661# endif
a687059c 3662#endif
ee0007ab 3663
d543acb6 3664/* Sighandler_t defined in iperlsys.h */
ff68c719 3665
3666#ifdef HAS_SIGACTION
3667typedef struct sigaction Sigsave_t;
3668#else
3669typedef Sighandler_t Sigsave_t;
3670#endif
3671
ee0007ab
LW		 3672#define SCAN_DEF 0
3673#define SCAN_TR 1
3674#define SCAN_REPL 2
79072805
LW		 3675
3676#ifdef DEBUGGING
4633a7c4 3677# ifndef register
a0d0e21e
LW		 3678# define register
3679# endif
cea2e8a9 3680# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3681#else
cea2e8a9 3682# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3683#endif
3684
18f739ee 3685#ifdef MYMALLOC
772fe5b3 3686# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3687# define MALLOC_INIT \
3688 STMT_START { \
3689 PL_malloc_mutex = NULL; \
3690 MUTEX_INIT(&PL_malloc_mutex); \
3691 } STMT_END
3692# define MALLOC_TERM \
3693 STMT_START { \
3694 perl_mutex tmp = PL_malloc_mutex; \
3695 PL_malloc_mutex = NULL; \
3696 MUTEX_DESTROY(&tmp); \
3697 } STMT_END
3698# else
3699# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3700# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3701# endif
18f739ee
IZ		 3702#else
3703# define MALLOC_INIT
3704# define MALLOC_TERM
3705#endif
3706
b6d9d515 3707
0cb96387 3708typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3709typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3710typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3711typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3712
940cb80d 3713/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3714#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3715
8f1f23e8
W		 3716/* NeXT has problems with crt0.o globals */
3717#if defined(__DYNAMIC__) && \
6239f2da 3718 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3719# if defined(NeXT) || defined(__NeXT)
3720# include <mach-o/dyld.h>
3721# define environ (*environ_pointer)
0c30d9ec 3722EXT char *** environ_pointer;
8f1f23e8 3723# else
6239f2da 3724# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3725# include <crt_externs.h> /* for the env array */
3726# define environ (*_NSGetEnviron())
3727# endif
0c30d9ec 3728# endif
8f1f23e8
W		 3729#else
3730 /* VMS and some other platforms don't use the environ array */
13b6e58c 3731# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3732# if !defined(DONT_DECLARE_STD) || \
3733 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3734 defined(__sgi) || \
d460ef45 3735 defined(__DGUX)
8f1f23e8 3736extern char ** environ; /* environment variables supplied via exec */
a6c40364 3737# endif
8f1f23e8
W		 3738# endif
3739#endif
79072805 3740
73c4f7a1
GS		 3741START_EXTERN_C
3742
79072805 3743/* handy constants */
22c35a8c 3744EXTCONST char PL_warn_uninit[]
29489e7c 3745 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3746EXTCONST char PL_warn_nosemi[]
463ee0b2 3747 INIT("Semicolon seems to be missing");
22c35a8c 3748EXTCONST char PL_warn_reserved[]
463ee0b2 3749 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3750EXTCONST char PL_warn_nl[]
93a17b20 3751 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3752EXTCONST char PL_no_wrongref[]
a0d0e21e 3753 INIT("Can't use %s ref as %s ref");
22c35a8c 3754EXTCONST char PL_no_symref[]
748a9306 3755 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3756EXTCONST char PL_no_symref_sv[]
014ead4b 3757 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3758EXTCONST char PL_no_usym[]
8990e307 3759 INIT("Can't use an undefined value as %s reference");
22c35a8c 3760EXTCONST char PL_no_aelem[]
93a17b20 3761 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3762EXTCONST char PL_no_helem_sv[]
3763 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3764EXTCONST char PL_no_modify[]
93a17b20 3765 INIT("Modification of a read-only value attempted");
22c35a8c 3766EXTCONST char PL_no_mem[]
93a17b20 3767 INIT("Out of memory!\n");
22c35a8c 3768EXTCONST char PL_no_security[]
463ee0b2 3769 INIT("Insecure dependency in %s%s");
22c35a8c 3770EXTCONST char PL_no_sock_func[]
93a17b20 3771 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3772EXTCONST char PL_no_dir_func[]
93a17b20 3773 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3774EXTCONST char PL_no_func[]
93a17b20 3775 INIT("The %s function is unimplemented");
22c35a8c 3776EXTCONST char PL_no_myglob[]
748a9306 3777 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3778EXTCONST char PL_no_localize_ref[]
3779 INIT("Can't localize through a reference");
27d5b266
JH		 3780#ifdef PERL_MALLOC_WRAP
3781EXTCONST char PL_memory_wrap[]
3782 INIT("panic: memory wrap");
3783#endif
93a17b20 3784
7575fa06 3785EXTCONST char PL_uuemap[65]
80252599
GS		 3786 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3787
3788
79072805 3789#ifdef DOINIT
27da23d5
JH		 3790EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3791EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3792#else
27da23d5
JH		 3793EXTCONST char* const PL_sig_name[];
3794EXTCONST int PL_sig_num[];
79072805
LW		 3795#endif
3796
3bd709b1 3797/* fast conversion and case folding tables */
bbce6d69 3798
79072805 3799#ifdef DOINIT
9d116dd7 3800#ifdef EBCDIC
27da23d5 3801EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3802 0, 1, 2, 3, 4, 5, 6, 7,
3803 8, 9, 10, 11, 12, 13, 14, 15,
3804 16, 17, 18, 19, 20, 21, 22, 23,
3805 24, 25, 26, 27, 28, 29, 30, 31,
3806 32, 33, 34, 35, 36, 37, 38, 39,
3807 40, 41, 42, 43, 44, 45, 46, 47,
3808 48, 49, 50, 51, 52, 53, 54, 55,
3809 56, 57, 58, 59, 60, 61, 62, 63,
3810 64, 65, 66, 67, 68, 69, 70, 71,
3811 72, 73, 74, 75, 76, 77, 78, 79,
3812 80, 81, 82, 83, 84, 85, 86, 87,
3813 88, 89, 90, 91, 92, 93, 94, 95,
3814 96, 97, 98, 99, 100, 101, 102, 103,
3815 104, 105, 106, 107, 108, 109, 110, 111,
3816 112, 113, 114, 115, 116, 117, 118, 119,
3817 120, 121, 122, 123, 124, 125, 126, 127,
3818 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3819 'H', 'I', 138, 139, 140, 141, 142, 143,
3820 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3821 'Q', 'R', 154, 155, 156, 157, 158, 159,
3822 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3823 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3824 176, 177, 178, 179, 180, 181, 182, 183,
3825 184, 185, 186, 187, 188, 189, 190, 191,
3826 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3827