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