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Teeny optimization in S_hv_magic_check
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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
91#ifdef SYMBIAN
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. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 109# define USE_REENTRANT_API
110#endif
111
ac6bedea
JH		 112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
6239f2da
JH		 115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
27da23d5
JH		 125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
3db8f154
MB		 151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
27da23d5
JH		 153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
894356b3
GS		 166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
4373e329
AL		 169# define pTHX_5 6
170# define pTHX_6 7
a3b680e6
AL		 171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
c5be433b
GS		 174#endif
175
76e3520e
GS		 176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
1d583055
GS		 181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
312caa8e
CS		 186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
5b2bd0a5
AMS		 193#if defined(SYMBIAN) && defined(__GNUC__)
194# ifdef __cplusplus
195# define PERL_UNUSED_DECL
196# else
197# define PERL_UNUSED_DECL __attribute__((unused))
198# endif
199#endif
44dbb695 200
5b2bd0a5 201#ifndef PERL_UNUSED_DECL
b79c357a
RGS		 202# ifdef HASATTRIBUTE_UNUSED
203# define PERL_UNUSED_DECL __attribute__unused__
204# else
205# define PERL_UNUSED_DECL
206# endif
5b2bd0a5
AMS		 207#endif
208
349b520e
DM		 209/* gcc -Wall:
210 * for silencing unused variables that are actually used most of the time,
211 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
212 */
a3b680e6 213#define PERL_UNUSED_VAR(var) ((void)var)
349b520e 214
0cb96387 215#define NOOP (void)0
44dbb695 216#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 217
0cb96387
GS		 218#ifndef pTHX
219# define pTHX void
220# define pTHX_
0cb96387
GS		 221# define aTHX
222# define aTHX_
0cb96387
GS		 223# define dTHXa(a) dNOOP
224# define dTHX dNOOP
894356b3
GS		 225# define pTHX_1 1
226# define pTHX_2 2
227# define pTHX_3 3
228# define pTHX_4 4
3d42dc86
RGS		 229# define pTHX_5 5
230# define pTHX_6 6
a3b680e6
AL		 231# define pTHX_7 7
232# define pTHX_8 8
233# define pTHX_9 9
0cb96387
GS		 234#endif
235
27da23d5
JH		 236#ifndef dVAR
237# define dVAR dNOOP
238#endif
239
b4f7f263
GS		 240/* these are only defined for compatibility; should not be used internally */
241#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 242# define pTHXo pTHX
243# define pTHXo_ pTHX_
0cb96387
GS		 244# define aTHXo aTHX
245# define aTHXo_ aTHX_
c5be433b 246# define dTHXo dTHX
71d280e3 247# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 248#endif
249
250#ifndef pTHXx
251# define pTHXx register PerlInterpreter *my_perl
252# define pTHXx_ pTHXx,
0cb96387
GS		 253# define aTHXx my_perl
254# define aTHXx_ aTHXx,
c5be433b 255# define dTHXx dTHX
22c35a8c 256#endif
71be2cbc 257
1de7c2ac
GS		 258/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
259 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
260 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
261#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 262# ifdef PERL_GLOBAL_STRUCT_PRIVATE
263# define dTHXs dVAR; dTHX
264# else
265# define dTHXs dTHX
266# endif
1de7c2ac 267#else
27da23d5
JH		 268# ifdef PERL_GLOBAL_STRUCT_PRIVATE
269# define dTHXs dVAR
270# else
271# define dTHXs dNOOP
272# endif
1de7c2ac
GS		 273#endif
274
326b05e3
GS		 275#undef START_EXTERN_C
276#undef END_EXTERN_C
277#undef EXTERN_C
32f822de
GS		 278#ifdef __cplusplus
279# define START_EXTERN_C extern "C" {
280# define END_EXTERN_C }
281# define EXTERN_C extern "C"
282#else
d460ef45
NIS		 283# define START_EXTERN_C
284# define END_EXTERN_C
73c4f7a1 285# define EXTERN_C extern
32f822de
GS		 286#endif
287
27da23d5
JH		 288/* Some platforms require marking function declarations
289 * for them to be exportable. Used in perlio.h, proto.h
290 * is handled either by the makedef.pl or by defining the
291 * PERL_CALLCONV to be something special. See also the
292 * definition of XS() in XSUB.h. */
293#ifndef PERL_EXPORT_C
294# define PERL_EXPORT_C extern
295#endif
296#ifndef PERL_XS_EXPORT_C
297# define PERL_XS_EXPORT_C
298#endif
299
462e5cf6
MB		 300#ifdef OP_IN_REGISTER
301# ifdef __GNUC__
302# define stringify_immed(s) #s
303# define stringify(s) stringify_immed(s)
d1ca3daa 304register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 305# endif
306#endif
307
5dc8bdac 308#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 309# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
310# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
311# endif
5dc8bdac
JH		 312#endif
313
728e2803 314/*
315 * STMT_START { statements; } STMT_END;
316 * can be used as a single statement, as in
317 * if (x) STMT_START { ... } STMT_END; else ...
318 *
319 * Trying to select a version that gives no warnings...
320 */
321#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 322# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 323# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
324# define STMT_END )
325# else
326 /* Now which other defined()s do we need here ??? */
93189314 327# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 328# define STMT_START if (1)
329# define STMT_END else (void)0
330# else
331# define STMT_START do
332# define STMT_END while (0)
333# endif
334# endif
335#endif
336
0cb96387 337#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 338#define WITH_THR(s) WITH_THX(s)
ea0efc06 339
55497cff 340/*
341 * SOFT_CAST can be used for args to prototyped functions to retain some
342 * type checking; it only casts if the compiler does not know prototypes.
343 */
344#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
345#define SOFT_CAST(type)
346#else
347#define SOFT_CAST(type) (type)
348#endif
79072805 349
d6f9c181
JH		 350#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
351# define BYTEORDER 0x1234
79072805
LW		 352#endif
353
354/* Overall memory policy? */
355#ifndef CONSERVATIVE
356# define LIBERAL 1
357#endif
358
8ada0baa
JH		 359#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
360#define ASCIIish
361#else
362#undef ASCIIish
363#endif
364
79072805
LW		 365/*
366 * The following contortions are brought to you on behalf of all the
367 * standards, semi-standards, de facto standards, not-so-de-facto standards
368 * of the world, as well as all the other botches anyone ever thought of.
369 * The basic theory is that if we work hard enough here, the rest of the
370 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
371 */
ac58e20f 372
ee0007ab 373/* define this once if either system, instead of cluttering up the src */
2986a63f 374#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 375#define DOSISH 1
376#endif
377
27da23d5 378#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
352d5a3a
LW		 379# define STANDARD_C 1
380#endif
381
a03dbf46 382#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 383# define DONT_DECLARE_STD 1
384#endif
385
352d5a3a 386#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 387# ifdef __cplusplus
cb69f87a 388# define VOL /* to temporarily suppress warnings */
79072805
LW		 389# else
390# define VOL volatile
391# endif
663a0e37 392#else
79072805 393# define VOL
663a0e37
LW		 394#endif
395
3280af22
NIS		 396#define TAINT (PL_tainted = TRUE)
397#define TAINT_NOT (PL_tainted = FALSE)
398#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
399#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 400#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 401
d460ef45 402/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 403 defines move there? If so, I could simplify this a lot. --AD 9/96.
404*/
405/* Process group stuff changed from traditional BSD to POSIX.
406 perlfunc.pod documents the traditional BSD-style syntax, so we'll
407 try to preserve that, if possible.
408*/
409#ifdef HAS_SETPGID
410# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 411#else
a6e633de 412# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
413# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
414# else
415# ifdef HAS_SETPGRP2 /* DG/UX */
416# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
417# endif
418# endif
419#endif
420#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
421# define HAS_SETPGRP /* Well, effectively it does . . . */
422#endif
423
424/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
425 our life easier :-) so we'll try it.
426*/
427#ifdef HAS_GETPGID
428# define BSD_GETPGRP(pid) getpgid((pid))
429#else
430# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
431# define BSD_GETPGRP(pid) getpgrp((pid))
432# else
433# ifdef HAS_GETPGRP2 /* DG/UX */
434# define BSD_GETPGRP(pid) getpgrp2((pid))
435# endif
436# endif
437#endif
438#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
439# define HAS_GETPGRP /* Well, effectively it does . . . */
440#endif
441
d460ef45 442/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 443 have different behaviors, but perl.h used to define USE_BSDPGRP
444 (prior to 5.003_05) so some extension might depend on it.
445*/
446#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
447# ifndef USE_BSDPGRP
448# define USE_BSDPGRP
449# endif
663a0e37
LW		 450#endif
451
8ac5a1fe
MH		 452/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
453 pthread.h must be included before all other header files.
454*/
3db8f154 455#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 456# include <pthread.h>
457#endif
458
760ac839
LW		 459#ifndef _TYPES_ /* If types.h defines this it's easy. */
460# ifndef major /* Does everyone's types.h define this? */
461# include <sys/types.h>
c07a80fd 462# endif
663a0e37
LW		 463#endif
464
760ac839
LW		 465#ifdef __cplusplus
466# ifndef I_STDARG
467# define I_STDARG 1
468# endif
469#endif
470
471#ifdef I_STDARG
472# include <stdarg.h>
473#else
474# ifdef I_VARARGS
475# include <varargs.h>
476# endif
477#endif
478
4633a7c4 479#ifdef USE_NEXT_CTYPE
0c30d9ec 480
092bebab
JH		 481#if NX_CURRENT_COMPILER_RELEASE >= 500
482# include <bsd/ctypes.h>
483#else
484# if NX_CURRENT_COMPILER_RELEASE >= 400
485# include <objc/NXCType.h>
486# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
487# include <appkit/NXCType.h>
488# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
489#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 490
491#else /* !USE_NEXT_CTYPE */
fe14fcc3 492#include <ctype.h>
0c30d9ec 493#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 494
495#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
496#undef METHOD
a0d0e21e
LW		 497#endif
498
12ae5dfc
JH		 499#ifdef PERL_MICRO
500# define NO_LOCALE
501#endif
502
4633a7c4 503#ifdef I_LOCALE
36477c24 504# include <locale.h>
4633a7c4
LW		 505#endif
506
36477c24 507#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
508# define USE_LOCALE
509# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
510 && defined(HAS_STRXFRM)
511# define USE_LOCALE_COLLATE
512# endif
513# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
514# define USE_LOCALE_CTYPE
515# endif
516# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
517# define USE_LOCALE_NUMERIC
518# endif
519#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 520
fe14fcc3 521#include <setjmp.h>
79072805 522
a0d0e21e 523#ifdef I_SYS_PARAM
79072805
LW		 524# ifdef PARAM_NEEDS_TYPES
525# include <sys/types.h>
526# endif
527# include <sys/param.h>
352d5a3a 528#endif
79072805 529
79072805 530/* Use all the "standard" definitions? */
a0d0e21e 531#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 532# include <stdlib.h>
ff68c719 533#endif
03a14243 534
3f270f98
JH		 535/* If this causes problems, set i_unistd=undef in the hint file. */
536#ifdef I_UNISTD
537# include <unistd.h>
538#endif
539
27da23d5
JH		 540#ifdef SYMBIAN
541# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
542#endif
543
7114a2d2 544#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 545int syscall(int, ...);
546#endif
547
7114a2d2 548#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 549int usleep(unsigned int);
2ef53570
JH		 550#endif
551
9a34ef1d
GS		 552#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
553# define MYSWAP
554#endif
555
1109a392
MHM		 556#ifdef PERL_CORE
557
558/* macros for correct constant construction */
559# if INTSIZE >= 2
560# define U16_CONST(x) ((U16)x##U)
561# else
562# define U16_CONST(x) ((U16)x##UL)
563# endif
564
565# if INTSIZE >= 4
566# define U32_CONST(x) ((U32)x##U)
567# else
568# define U32_CONST(x) ((U32)x##UL)
569# endif
570
571# ifdef HAS_QUAD
572# if INTSIZE >= 8
573# define U64_CONST(x) ((U64)x##U)
574# elif LONGSIZE >= 8
575# define U64_CONST(x) ((U64)x##UL)
576# elif QUADKIND == QUAD_IS_LONG_LONG
577# define U64_CONST(x) ((U64)x##ULL)
578# else /* best guess we can make */
579# define U64_CONST(x) ((U64)x##UL)
580# endif
581# endif
582
583/* byte-swapping functions for big-/little-endian conversion */
584# define _swab_16_(x) ((U16)( \
585 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
586 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
587
588# define _swab_32_(x) ((U32)( \
589 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
590 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
591 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
592 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
593
594# ifdef HAS_QUAD
595# define _swab_64_(x) ((U64)( \
596 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
597 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
598 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
599 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
600 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
601 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
602 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
603 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
604# endif
605
606/*----------------------------------------------------------------------------*/
607# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
608/*----------------------------------------------------------------------------*/
609# define my_htole16(x) (x)
610# define my_letoh16(x) (x)
611# define my_htole32(x) (x)
612# define my_letoh32(x) (x)
613# define my_htobe16(x) _swab_16_(x)
614# define my_betoh16(x) _swab_16_(x)
615# define my_htobe32(x) _swab_32_(x)
616# define my_betoh32(x) _swab_32_(x)
617# ifdef HAS_QUAD
618# define my_htole64(x) (x)
619# define my_letoh64(x) (x)
620# define my_htobe64(x) _swab_64_(x)
621# define my_betoh64(x) _swab_64_(x)
622# endif
623# define my_htoles(x) (x)
624# define my_letohs(x) (x)
625# define my_htolei(x) (x)
626# define my_letohi(x) (x)
627# define my_htolel(x) (x)
628# define my_letohl(x) (x)
629# if SHORTSIZE == 1
630# define my_htobes(x) (x)
631# define my_betohs(x) (x)
632# elif SHORTSIZE == 2
633# define my_htobes(x) _swab_16_(x)
634# define my_betohs(x) _swab_16_(x)
635# elif SHORTSIZE == 4
636# define my_htobes(x) _swab_32_(x)
637# define my_betohs(x) _swab_32_(x)
638# elif SHORTSIZE == 8
639# define my_htobes(x) _swab_64_(x)
640# define my_betohs(x) _swab_64_(x)
641# else
642# define PERL_NEED_MY_HTOBES
643# define PERL_NEED_MY_BETOHS
644# endif
645# if INTSIZE == 1
646# define my_htobei(x) (x)
647# define my_betohi(x) (x)
648# elif INTSIZE == 2
649# define my_htobei(x) _swab_16_(x)
650# define my_betohi(x) _swab_16_(x)
651# elif INTSIZE == 4
652# define my_htobei(x) _swab_32_(x)
653# define my_betohi(x) _swab_32_(x)
654# elif INTSIZE == 8
655# define my_htobei(x) _swab_64_(x)
656# define my_betohi(x) _swab_64_(x)
657# else
658# define PERL_NEED_MY_HTOBEI
659# define PERL_NEED_MY_BETOHI
660# endif
661# if LONGSIZE == 1
662# define my_htobel(x) (x)
663# define my_betohl(x) (x)
664# elif LONGSIZE == 2
665# define my_htobel(x) _swab_16_(x)
666# define my_betohl(x) _swab_16_(x)
667# elif LONGSIZE == 4
668# define my_htobel(x) _swab_32_(x)
669# define my_betohl(x) _swab_32_(x)
670# elif LONGSIZE == 8
671# define my_htobel(x) _swab_64_(x)
672# define my_betohl(x) _swab_64_(x)
673# else
674# define PERL_NEED_MY_HTOBEL
675# define PERL_NEED_MY_BETOHL
676# endif
677# define my_htolen(p,n) NOOP
678# define my_letohn(p,n) NOOP
679# define my_htoben(p,n) my_swabn(p,n)
680# define my_betohn(p,n) my_swabn(p,n)
681/*----------------------------------------------------------------------------*/
682# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
683/*----------------------------------------------------------------------------*/
684# define my_htobe16(x) (x)
685# define my_betoh16(x) (x)
686# define my_htobe32(x) (x)
687# define my_betoh32(x) (x)
688# define my_htole16(x) _swab_16_(x)
689# define my_letoh16(x) _swab_16_(x)
690# define my_htole32(x) _swab_32_(x)
691# define my_letoh32(x) _swab_32_(x)
692# ifdef HAS_QUAD
693# define my_htobe64(x) (x)
694# define my_betoh64(x) (x)
695# define my_htole64(x) _swab_64_(x)
696# define my_letoh64(x) _swab_64_(x)
697# endif
698# define my_htobes(x) (x)
699# define my_betohs(x) (x)
700# define my_htobei(x) (x)
701# define my_betohi(x) (x)
702# define my_htobel(x) (x)
703# define my_betohl(x) (x)
704# if SHORTSIZE == 1
705# define my_htoles(x) (x)
706# define my_letohs(x) (x)
707# elif SHORTSIZE == 2
708# define my_htoles(x) _swab_16_(x)
709# define my_letohs(x) _swab_16_(x)
710# elif SHORTSIZE == 4
711# define my_htoles(x) _swab_32_(x)
712# define my_letohs(x) _swab_32_(x)
713# elif SHORTSIZE == 8
714# define my_htoles(x) _swab_64_(x)
715# define my_letohs(x) _swab_64_(x)
716# else
717# define PERL_NEED_MY_HTOLES
718# define PERL_NEED_MY_LETOHS
719# endif
720# if INTSIZE == 1
721# define my_htolei(x) (x)
722# define my_letohi(x) (x)
723# elif INTSIZE == 2
724# define my_htolei(x) _swab_16_(x)
725# define my_letohi(x) _swab_16_(x)
726# elif INTSIZE == 4
727# define my_htolei(x) _swab_32_(x)
728# define my_letohi(x) _swab_32_(x)
729# elif INTSIZE == 8
730# define my_htolei(x) _swab_64_(x)
731# define my_letohi(x) _swab_64_(x)
732# else
733# define PERL_NEED_MY_HTOLEI
734# define PERL_NEED_MY_LETOHI
735# endif
736# if LONGSIZE == 1
737# define my_htolel(x) (x)
738# define my_letohl(x) (x)
739# elif LONGSIZE == 2
740# define my_htolel(x) _swab_16_(x)
741# define my_letohl(x) _swab_16_(x)
742# elif LONGSIZE == 4
743# define my_htolel(x) _swab_32_(x)
744# define my_letohl(x) _swab_32_(x)
745# elif LONGSIZE == 8
746# define my_htolel(x) _swab_64_(x)
747# define my_letohl(x) _swab_64_(x)
748# else
749# define PERL_NEED_MY_HTOLEL
750# define PERL_NEED_MY_LETOHL
751# endif
752# define my_htolen(p,n) my_swabn(p,n)
753# define my_letohn(p,n) my_swabn(p,n)
754# define my_htoben(p,n) NOOP
755# define my_betohn(p,n) NOOP
756/*----------------------------------------------------------------------------*/
757# else /* all other byte-orders */
758/*----------------------------------------------------------------------------*/
759# define PERL_NEED_MY_HTOLE16
760# define PERL_NEED_MY_LETOH16
761# define PERL_NEED_MY_HTOBE16
762# define PERL_NEED_MY_BETOH16
763# define PERL_NEED_MY_HTOLE32
764# define PERL_NEED_MY_LETOH32
765# define PERL_NEED_MY_HTOBE32
766# define PERL_NEED_MY_BETOH32
767# ifdef HAS_QUAD
768# define PERL_NEED_MY_HTOLE64
769# define PERL_NEED_MY_LETOH64
770# define PERL_NEED_MY_HTOBE64
771# define PERL_NEED_MY_BETOH64
772# endif
773# define PERL_NEED_MY_HTOLES
774# define PERL_NEED_MY_LETOHS
775# define PERL_NEED_MY_HTOBES
776# define PERL_NEED_MY_BETOHS
777# define PERL_NEED_MY_HTOLEI
778# define PERL_NEED_MY_LETOHI
779# define PERL_NEED_MY_HTOBEI
780# define PERL_NEED_MY_BETOHI
781# define PERL_NEED_MY_HTOLEL
782# define PERL_NEED_MY_LETOHL
783# define PERL_NEED_MY_HTOBEL
784# define PERL_NEED_MY_BETOHL
785/*----------------------------------------------------------------------------*/
786# endif /* end of byte-order macros */
787/*----------------------------------------------------------------------------*/
788
9c17f24a
NC		 789/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
790 at least on FreeBSD. YMMV, so experiment. */
791#ifndef PERL_ARENA_SIZE
792#define PERL_ARENA_SIZE 4080
793#endif
794
1109a392
MHM		 795#endif /* PERL_CORE */
796
66a93824
NIS		 797/* Cannot include embed.h here on Win32 as win32.h has not
798 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
799 */
96e176bf 800#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 801# include "embed.h"
802#endif
803
c31fac66
GS		 804#define MEM_SIZE Size_t
805
51371543
GS		 806#if defined(STANDARD_C) && defined(I_STDDEF)
807# include <stddef.h>
808# define STRUCT_OFFSET(s,m) offsetof(s,m)
809#else
810# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
811#endif
812
27da23d5
JH		 813#ifndef SYMBIAN
814# if defined(I_STRING) || defined(__cplusplus)
815# include <string.h>
816# else
817# include <strings.h>
818# endif
51371543
GS		 819#endif
820
55497cff 821/* This comes after <stdlib.h> so we don't try to change the standard
822 * library prototypes; we'll use our own in proto.h instead. */
03a14243 823
4633a7c4 824#ifdef MYMALLOC
86058a2d 825# ifdef PERL_POLLUTE_MALLOC
ee13e175 826# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 827# define Perl_malloc malloc
828# define Perl_calloc calloc
829# define Perl_realloc realloc
830# define Perl_mfree free
ee13e175 831# endif
86058a2d
GS		 832# else
833# define EMBEDMYMALLOC /* for compatibility */
834# endif
827e134a 835
651b9576
GS		 836# define safemalloc Perl_malloc
837# define safecalloc Perl_calloc
838# define saferealloc Perl_realloc
839# define safefree Perl_mfree
22f7c9c9
JH		 840# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
841 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
842 code; \
843 } STMT_END
844# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
845 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
846# define panic_write2(s) write(2, s, strlen(s))
847# define CHECK_MALLOC_TAINT(newval) \
848 CHECK_MALLOC_TOO_LATE_FOR_( \
849 if (newval) { \
850 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
851 exit(1); })
22f7c9c9 852# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 853 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 854 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
855 }} STMT_END;
f2517201
GS		 856#else /* MYMALLOC */
857# define safemalloc safesysmalloc
858# define safecalloc safesyscalloc
859# define saferealloc safesysrealloc
860# define safefree safesysfree
22f7c9c9
JH		 861# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
862# define CHECK_MALLOC_TAINT(newval) ((void)0)
863# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 864#endif /* MYMALLOC */
4633a7c4 865
27da23d5 866#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		 867#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
868#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
869#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
870
a0d0e21e
LW		 871#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
872#define strchr index
873#define strrchr rindex
874#endif
875
16d20bd9
AD		 876#ifdef I_MEMORY
877# include <memory.h>
878#endif
879
fe14fcc3 880#ifdef HAS_MEMCPY
85e6fe83 881# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 882# ifndef memcpy
20ce7b12 883 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 884# endif
885# endif
886#else
887# ifndef memcpy
888# ifdef HAS_BCOPY
889# define memcpy(d,s,l) bcopy(s,d,l)
890# else
891# define memcpy(d,s,l) my_bcopy(s,d,l)
892# endif
893# endif
894#endif /* HAS_MEMCPY */
fe14fcc3 895
ee0007ab 896#ifdef HAS_MEMSET
85e6fe83 897# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 898# ifndef memset
20ce7b12 899 extern char *memset (char*, int, int);
ee0007ab
LW		 900# endif
901# endif
ee0007ab 902#else
12ae5dfc 903# undef memset
fc36a67e 904# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 905#endif /* HAS_MEMSET */
906
85e6fe83 907#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 908# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 909# define memmove(d,s,l) bcopy(s,d,l)
910# else
2304df62 911# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 912# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 913# else
79072805 914# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 915# endif
352d5a3a 916# endif
d9d8d8de 917#endif
ee0007ab 918
36477c24 919#if defined(mips) && defined(ultrix) && !defined(__STDC__)
920# undef HAS_MEMCMP
921#endif
922
923#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 924# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 925# ifndef memcmp
20ce7b12 926 extern int memcmp (char*, char*, int);
ee0007ab
LW		 927# endif
928# endif
36477c24 929# ifdef BUGGY_MSC
7e4e8c89 930# pragma function(memcmp)
36477c24 931# endif
ee0007ab
LW		 932#else
933# ifndef memcmp
ecfc5424 934# define memcmp my_memcmp
352d5a3a 935# endif
36477c24 936#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 937
fc36a67e 938#ifndef memzero
c635e13b 939# ifdef HAS_MEMSET
940# define memzero(d,l) memset(d,0,l)
79072805 941# else
c635e13b 942# ifdef HAS_BZERO
943# define memzero(d,l) bzero(d,l)
79072805 944# else
fc36a67e 945# define memzero(d,l) my_bzero(d,l)
79072805
LW		 946# endif
947# endif
d9d8d8de 948#endif
378cc40b 949
2f42fcb0 950#ifndef PERL_MICRO
0f27ced1
JH		 951#ifndef memchr
952# ifndef HAS_MEMCHR
953# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
954# endif
955#endif
2f42fcb0 956#endif
0f27ced1 957
36477c24 958#ifndef HAS_BCMP
959# ifndef bcmp
960# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 961# endif
36477c24 962#endif /* !HAS_BCMP */
378cc40b 963
ae986130 964#ifdef I_NETINET_IN
79072805 965# include <netinet/in.h>
ae986130
LW		 966#endif
967
28e8609d
JH		 968#ifdef I_ARPA_INET
969# include <arpa/inet.h>
970#endif
971
84902520
TB		 972#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
973/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
974 * (the neo-BSD seem to do this). */
975# undef SF_APPEND
976#endif
977
1aef975c 978#ifdef I_SYS_STAT
84902520 979# include <sys/stat.h>
1aef975c 980#endif
79072805 981
a0d0e21e
LW		 982/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
983 like UTekV) are broken, sometimes giving false positives. Undefine
984 them here and let the code below set them to proper values.
985
986 The ghs macro stands for GreenHills Software C-1.8.5 which
987 is the C compiler for sysV88 and the various derivatives.
988 This header file bug is corrected in gcc-2.5.8 and later versions.
989 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
990
991#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 992# undef S_ISDIR
993# undef S_ISCHR
994# undef S_ISBLK
995# undef S_ISREG
996# undef S_ISFIFO
997# undef S_ISLNK
ee0007ab 998#endif
135863df 999
663a0e37
LW		 1000#ifdef I_TIME
1001# include <time.h>
ffed7fef 1002#endif
663a0e37 1003
fe14fcc3 1004#ifdef I_SYS_TIME
85e6fe83 1005# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1006# define KERNEL
1007# endif
1008# include <sys/time.h>
85e6fe83 1009# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1010# undef KERNEL
1011# endif
a687059c 1012#endif
135863df 1013
55497cff 1014#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1015# include <sys/times.h>
d9d8d8de 1016#endif
8d063cd8 1017
fe14fcc3 1018#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1019# undef HAS_STRERROR
663a0e37
LW		 1020#endif
1021
1022#include <errno.h>
1e743fda 1023
acfe0abc 1024#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1025# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1026#endif
1027
8cfab5ff
JH		 1028/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1029 * This is important for using IPv6.
1030 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1031 * a bad idea since it breaks send() and recv(). */
1032#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1033# define _SOCKADDR_LEN
1034#endif
1035
8d3f517a 1036#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1037# include <sys/socket.h>
1038# if defined(USE_SOCKS) && defined(I_SOCKS)
1039# if !defined(INCLUDE_PROTOTYPES)
1040# define INCLUDE_PROTOTYPES /* for <socks.h> */
1041# define PERL_SOCKS_NEED_PROTOTYPES
1042# endif
1043# include <socks.h>
1044# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1045# undef INCLUDE_PROTOTYPES
1046# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1047# endif
d460ef45 1048# endif
1e743fda 1049# ifdef I_NETDB
2986a63f
JH		 1050# ifdef NETWARE
1051# include<stdio.h>
1052# endif
1e743fda
JH		 1053# include <netdb.h>
1054# endif
1055# ifndef ENOTSOCK
1056# ifdef I_NET_ERRNO
1057# include <net/errno.h>
1058# endif
1059# endif
1060#endif
1061
fa0a29af 1062/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1063 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1064 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1065#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1066# if defined(__THROW) && defined(__GLIBC__)
1067int sockatmark(int) __THROW;
1068# else
2ef53570 1069int sockatmark(int);
29820b6d 1070# endif
2ef53570
JH		 1071#endif
1072
1e743fda
JH		 1073#ifdef SETERRNO
1074# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1075#endif
f86702cc 1076
1077#ifdef VMS
1078# define SETERRNO(errcode,vmserrcode) \
1079 STMT_START { \
1080 set_errno(errcode); \
1081 set_vaxc_errno(vmserrcode); \
1082 } STMT_END
93189314
JH		 1083# define LIB_INVARG LIB$_INVARG
1084# define RMS_DIR RMS$_DIR
1085# define RMS_FAC RMS$_FAC
1086# define RMS_FEX RMS$_FEX
1087# define RMS_FNF RMS$_FNF
1088# define RMS_IFI RMS$_IFI
1089# define RMS_ISI RMS$_ISI
1090# define RMS_PRV RMS$_PRV
1091# define SS_ACCVIO SS$_ACCVIO
1092# define SS_DEVOFFLINE SS$_DEVOFFLINE
1093# define SS_IVCHAN SS$_IVCHAN
1094# define SS_NORMAL SS$_NORMAL
748a9306 1095#else
aba27d88 1096# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1097# define LIB_INVARG 0
1098# define RMS_DIR 0
1099# define RMS_FAC 0
1100# define RMS_FEX 0
1101# define RMS_FNF 0
1102# define RMS_IFI 0
1103# define RMS_ISI 0
1104# define RMS_PRV 0
1105# define SS_ACCVIO 0
1106# define SS_DEVOFFLINE 0
1107# define SS_IVCHAN 0
1108# define SS_NORMAL 0
748a9306 1109#endif
ed6116ce 1110
3db8f154
MB		 1111#define ERRSV GvSV(PL_errgv)
1112#define DEFSV GvSV(PL_defgv)
1113#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1114
98eae8f5
GS		 1115#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1116
55497cff 1117#ifndef errno
5ff3f7a4
GS		 1118 extern int errno; /* ANSI allows errno to be an lvalue expr.
1119 * For example in multithreaded environments
1120 * something like this might happen:
1121 * extern int *_errno(void);
1122 * #define errno (*_errno()) */
d9d8d8de 1123#endif
663a0e37 1124
2304df62 1125#ifdef HAS_STRERROR
a0d0e21e 1126# ifdef VMS
20ce7b12 1127 char *strerror (int,...);
a0d0e21e 1128# else
68dc0745 1129#ifndef DONT_DECLARE_STD
20ce7b12 1130 char *strerror (int);
68dc0745 1131#endif
a0d0e21e 1132# endif
2304df62
AD		 1133# ifndef Strerror
1134# define Strerror strerror
1135# endif
1136#else
1137# ifdef HAS_SYS_ERRLIST
79072805
LW		 1138 extern int sys_nerr;
1139 extern char *sys_errlist[];
2304df62
AD		 1140# ifndef Strerror
1141# define Strerror(e) \
79072805 1142 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1143# endif
79072805 1144# endif
35c8bce7 1145#endif
663a0e37 1146
2304df62 1147#ifdef I_SYS_IOCTL
79072805
LW		 1148# ifndef _IOCTL_
1149# include <sys/ioctl.h>
1150# endif
a687059c
LW		 1151#endif
1152
ee0007ab 1153#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1154# ifdef HAS_SOCKETPAIR
1155# undef HAS_SOCKETPAIR
1156# endif
2304df62
AD		 1157# ifdef I_NDBM
1158# undef I_NDBM
79072805 1159# endif
a687059c
LW		 1160#endif
1161
02fc2eee
NC		 1162#ifndef HAS_SOCKETPAIR
1163# ifdef HAS_SOCKET
1164# define socketpair Perl_my_socketpair
1165# endif
1166#endif
1167
a687059c 1168#if INTSIZE == 2
79072805
LW		 1169# define htoni htons
1170# define ntohi ntohs
a687059c 1171#else
79072805
LW		 1172# define htoni htonl
1173# define ntohi ntohl
a687059c
LW		 1174#endif
1175
a0d0e21e 1176/* Configure already sets Direntry_t */
35c8bce7 1177#if defined(I_DIRENT)
663a0e37 1178# include <dirent.h>
8f1f23e8
W		 1179 /* NeXT needs dirent + sys/dir.h */
1180# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1181# include <sys/dir.h>
1182# endif
ae986130 1183#else
fe14fcc3 1184# ifdef I_SYS_NDIR
79a0689e 1185# include <sys/ndir.h>
663a0e37 1186# else
fe14fcc3 1187# ifdef I_SYS_DIR
79a0689e
LW		 1188# ifdef hp9000s500
1189# include <ndir.h> /* may be wrong in the future */
1190# else
1191# include <sys/dir.h>
1192# endif
663a0e37
LW		 1193# endif
1194# endif
4633a7c4 1195#endif
a687059c 1196
12ae5dfc
JH		 1197#ifdef PERL_MICRO
1198# ifndef DIR
1199# define DIR void
1200# endif
1201#endif
1202
352d5a3a
LW		 1203#ifdef FPUTS_BOTCH
1204/* work around botch in SunOS 4.0.1 and 4.0.2 */
1205# ifndef fputs
79072805 1206# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1207# endif
1208#endif
1209
c623bd54
LW		 1210/*
1211 * The following gobbledygook brought to you on behalf of __STDC__.
1212 * (I could just use #ifndef __STDC__, but this is more bulletproof
1213 * in the face of half-implementations.)
1214 */
1215
7114a2d2 1216#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1217#include <sys/mode.h>
1218#endif
1219
c623bd54
LW		 1220#ifndef S_IFMT
1221# ifdef _S_IFMT
1222# define S_IFMT _S_IFMT
1223# else
1224# define S_IFMT 0170000
1225# endif
1226#endif
1227
1228#ifndef S_ISDIR
1229# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1230#endif
1231
1232#ifndef S_ISCHR
1233# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1234#endif
1235
1236#ifndef S_ISBLK
fe14fcc3
LW		 1237# ifdef S_IFBLK
1238# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1239# else
1240# define S_ISBLK(m) (0)
1241# endif
c623bd54
LW		 1242#endif
1243
1244#ifndef S_ISREG
1245# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1246#endif
1247
1248#ifndef S_ISFIFO
fe14fcc3
LW		 1249# ifdef S_IFIFO
1250# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1251# else
1252# define S_ISFIFO(m) (0)
1253# endif
c623bd54
LW		 1254#endif
1255
1256#ifndef S_ISLNK
1257# ifdef _S_ISLNK
1258# define S_ISLNK(m) _S_ISLNK(m)
1259# else
1260# ifdef _S_IFLNK
1261# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1262# else
1263# ifdef S_IFLNK
1264# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1265# else
1266# define S_ISLNK(m) (0)
1267# endif
1268# endif
1269# endif
1270#endif
1271
1272#ifndef S_ISSOCK
1273# ifdef _S_ISSOCK
1274# define S_ISSOCK(m) _S_ISSOCK(m)
1275# else
1276# ifdef _S_IFSOCK
1277# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1278# else
1279# ifdef S_IFSOCK
1280# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1281# else
1282# define S_ISSOCK(m) (0)
1283# endif
1284# endif
1285# endif
1286#endif
1287
1288#ifndef S_IRUSR
1289# ifdef S_IREAD
1290# define S_IRUSR S_IREAD
1291# define S_IWUSR S_IWRITE
1292# define S_IXUSR S_IEXEC
1293# else
1294# define S_IRUSR 0400
1295# define S_IWUSR 0200
1296# define S_IXUSR 0100
1297# endif
fac7cdfc
JS		 1298#endif
1299
1300#ifndef S_IRGRP
1301# ifdef S_IRUSR
1302# define S_IRGRP (S_IRUSR>>3)
1303# define S_IWGRP (S_IWUSR>>3)
1304# define S_IXGRP (S_IXUSR>>3)
1305# else
1306# define S_IRGRP 0040
1307# define S_IWGRP 0020
1308# define S_IXGRP 0010
1309# endif
1310#endif
1311
1312#ifndef S_IROTH
1313# ifdef S_IRUSR
1314# define S_IROTH (S_IRUSR>>6)
1315# define S_IWOTH (S_IWUSR>>6)
1316# define S_IXOTH (S_IXUSR>>6)
1317# else
1318# define S_IROTH 0040
1319# define S_IWOTH 0020
1320# define S_IXOTH 0010
1321# endif
c623bd54
LW		 1322#endif
1323
1324#ifndef S_ISUID
1325# define S_ISUID 04000
1326#endif
1327
1328#ifndef S_ISGID
1329# define S_ISGID 02000
1330#endif
1331
ca6e1c26
JH		 1332#ifndef S_IRWXU
1333# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1334#endif
ca6e1c26
JH		 1335
1336#ifndef S_IRWXG
1337# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1338#endif
ca6e1c26
JH		 1339
1340#ifndef S_IRWXO
1341# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1342#endif
ca6e1c26 1343
c21fb2b8
JH		 1344/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1345 * which would get included through <sys/file.h >, but that is 3000
1346 * lines in the future. --jhi */
1347
1348#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1349# define S_IREAD S_IRUSR
1350#endif
1351
c21fb2b8 1352#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1353# define S_IWRITE S_IWUSR
1354#endif
1355
1356#ifndef S_IEXEC
1357# define S_IEXEC S_IXUSR
1358#endif
1359
79072805
LW		 1360#ifdef ff_next
1361# undef ff_next
352d5a3a
LW		 1362#endif
1363
a0d0e21e 1364#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1365# define SLOPPYDIVIDE
1366#endif
1367
748a9306
LW		 1368#ifdef UV
1369#undef UV
1370#endif
1371
c89df6bf
JH		 1372#ifdef SPRINTF_E_BUG
1373# define sprintf UTS_sprintf_wrap
1374#endif
1375
c495e728
JH		 1376/* Configure gets this right but the UTS compiler gets it wrong.
1377 -- Hal Morris <hom00@utsglobal.com> */
1378#ifdef UTS
1379# undef UVTYPE
1380# define UVTYPE unsigned
1381#endif
1382
05f13f53 1383/*
27d4fb96 1384 The IV type is supposed to be long enough to hold any integral
1385 value or a pointer.
1386 --Andy Dougherty August 1996
1387*/
1388
a22e52b9
JH		 1389typedef IVTYPE IV;
1390typedef UVTYPE UV;
8175356b 1391
10cc9d2a 1392#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1393# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1394# define IV_MAX INT64_MAX
1395# define IV_MIN INT64_MIN
1396# define UV_MAX UINT64_MAX
cae7ae48
JH		 1397# ifndef UINT64_MIN
1398# define UINT64_MIN 0
1399# endif
5ff3f7a4
GS		 1400# define UV_MIN UINT64_MIN
1401# else
1402# define IV_MAX PERL_QUAD_MAX
1403# define IV_MIN PERL_QUAD_MIN
1404# define UV_MAX PERL_UQUAD_MAX
1405# define UV_MIN PERL_UQUAD_MIN
1406# endif
cf2093f6
JH		 1407# define IV_IS_QUAD
1408# define UV_IS_QUAD
79072805 1409#else
8175356b 1410# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1411# define IV_MAX INT32_MAX
1412# define IV_MIN INT32_MIN
716026f9
DL		 1413# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1414# define UV_MAX UINT32_MAX
1415# else
1416# define UV_MAX 4294967295U
1417# endif
cae7ae48
JH		 1418# ifndef UINT32_MIN
1419# define UINT32_MIN 0
1420# endif
5ff3f7a4
GS		 1421# define UV_MIN UINT32_MIN
1422# else
1423# define IV_MAX PERL_LONG_MAX
1424# define IV_MIN PERL_LONG_MIN
1425# define UV_MAX PERL_ULONG_MAX
1426# define UV_MIN PERL_ULONG_MIN
1427# endif
8175356b 1428# if IVSIZE == 8
cf2093f6
JH		 1429# define IV_IS_QUAD
1430# define UV_IS_QUAD
de1c2614
JH		 1431# ifndef HAS_QUAD
1432# define HAS_QUAD
1433# endif
cf2093f6
JH		 1434# else
1435# undef IV_IS_QUAD
1436# undef UV_IS_QUAD
de1c2614 1437# undef HAS_QUAD
cf2093f6 1438# endif
79072805 1439#endif
d7d93a81 1440
1109a392
MHM		 1441#ifndef HAS_QUAD
1442# undef PERL_NEED_MY_HTOLE64
1443# undef PERL_NEED_MY_LETOH64
1444# undef PERL_NEED_MY_HTOBE64
1445# undef PERL_NEED_MY_BETOH64
1446#endif
1447
6cde8aec 1448#if defined(uts) || defined(UTS)
11afe549
HM		 1449# undef UV_MAX
1450# define UV_MAX (4294967295u)
20601011
JH		 1451#endif
1452
cae7ae48 1453#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1454#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1455
28e5dec8 1456#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1457#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1458#endif
1459
d460ef45 1460/*
26bb67e2
JH		 1461 * The macros INT2PTR and NUM2PTR are (despite their names)
1462 * bi-directional: they will convert int/float to or from pointers.
1463 * However the conversion to int/float are named explicitly:
1464 * PTR2IV, PTR2UV, PTR2NV.
1465 *
1466 * For int conversions we do not need two casts if pointers are
1467 * the same size as IV and UV. Otherwise we need an explicit
1468 * cast (PTRV) to avoid compiler warnings.
1469 */
56431972
RB		 1470#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1471# define PTRV UV
1472# define INT2PTR(any,d) (any)(d)
1473#else
d460ef45 1474# if PTRSIZE == LONGSIZE
56431972 1475# define PTRV unsigned long
42718184 1476# else
56431972 1477# define PTRV unsigned
42718184 1478# endif
56431972 1479# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1480#endif
56431972
RB		 1481#define NUM2PTR(any,d) (any)(PTRV)(d)
1482#define PTR2IV(p) INT2PTR(IV,p)
1483#define PTR2UV(p) INT2PTR(UV,p)
1484#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1485#if PTRSIZE == LONGSIZE
d2560b70
RB		 1486# define PTR2ul(p) (unsigned long)(p)
1487#else
1488# define PTR2ul(p) INT2PTR(unsigned long,p)
1489#endif
d460ef45 1490
65202027 1491#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1492# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1493# define LONG_DOUBLE_EQUALS_DOUBLE
1494# endif
68d4903c 1495# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1496# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1497# endif
1498#endif
1499
2d4389e4
JH		 1500#ifdef OVR_DBL_DIG
1501/* Use an overridden DBL_DIG */
1502# ifdef DBL_DIG
1503# undef DBL_DIG
1504# endif
1505# define DBL_DIG OVR_DBL_DIG
1506#else
1507/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1508 default value for printing floating point numbers in Gconvert
1509 (see config.h). (It also has other uses, such as figuring out if
1510 a given precision of printing can be done with a double instead of
1511 a long double - Allen).
2d4389e4
JH		 1512*/
1513#ifdef I_LIMITS
1514#include <limits.h>
1515#endif
1516#ifdef I_FLOAT
1517#include <float.h>
1518#endif
1519#ifndef HAS_DBL_DIG
1520#define DBL_DIG 15 /* A guess that works lots of places */
1521#endif
1522#endif
cbca01e1
JH		 1523#ifdef I_FLOAT
1524#include <float.h>
1525#endif
1526#ifndef HAS_DBL_DIG
1527#define DBL_DIG 15 /* A guess that works lots of places */
1528#endif
2d4389e4
JH		 1529
1530#ifdef OVR_LDBL_DIG
1531/* Use an overridden LDBL_DIG */
1532# ifdef LDBL_DIG
1533# undef LDBL_DIG
1534# endif
1535# define LDBL_DIG OVR_LDBL_DIG
1536#else
1537/* The following is all to get LDBL_DIG, in order to pick a nice
1538 default value for printing floating point numbers in Gconvert.
1539 (see config.h)
1540*/
68d4903c
JH		 1541# ifdef I_LIMITS
1542# include <limits.h>
1543# endif
1544# ifdef I_FLOAT
1545# include <float.h>
1546# endif
1547# ifndef HAS_LDBL_DIG
1548# if LONG_DOUBLESIZE == 10
1549# define LDBL_DIG 18 /* assume IEEE */
1550# else
1551# if LONG_DOUBLESIZE == 12
1552# define LDBL_DIG 18 /* gcc? */
1553# else
1554# if LONG_DOUBLESIZE == 16
1555# define LDBL_DIG 33 /* assume IEEE */
1556# else
1557# if LONG_DOUBLESIZE == DOUBLESIZE
1558# define LDBL_DIG DBL_DIG /* bummer */
1559# endif
1560# endif
1561# endif
1562# endif
1563# endif
2d4389e4
JH		 1564#endif
1565
20f6aaab
AS		 1566/*
1567 * This is for making sure we have a good DBL_MAX value, if possible,
1568 * either for usage as NV_MAX or for usage in figuring out if we can
1569 * fit a given long double into a double, if bug-fixing makes it
1570 * necessary to do so. - Allen <allens@cpan.org>
1571 */
1572
205f51d8
AS		 1573#ifdef I_LIMITS
1574# include <limits.h>
20f6aaab
AS		 1575#endif
1576
205f51d8
AS		 1577#ifdef I_VALUES
1578# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1579# include <values.h>
1580# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1581# define DBL_MAX MAXDOUBLE
1582# endif
1583# if defined(MINDOUBLE) && !defined(DBL_MIN)
1584# define DBL_MIN MINDOUBLE
1585# endif
1586# endif
1587#endif /* defined(I_VALUES) */
1588
a22e52b9 1589typedef NVTYPE NV;
8175356b 1590
792d8dab
JH		 1591#ifdef I_IEEEFP
1592# include <ieeefp.h>
1593#endif
923fc586 1594
65202027 1595#ifdef USE_LONG_DOUBLE
923fc586
JH		 1596# ifdef I_SUNMATH
1597# include <sunmath.h>
1598# endif
2d4389e4 1599# define NV_DIG LDBL_DIG
d6c14000
JH		 1600# ifdef LDBL_MANT_DIG
1601# define NV_MANT_DIG LDBL_MANT_DIG
1602# endif
06fc1729
JH		 1603# ifdef LDBL_MIN
1604# define NV_MIN LDBL_MIN
1605# endif
1606# ifdef LDBL_MAX
1607# define NV_MAX LDBL_MAX
1608# endif
1609# ifdef LDBL_MIN_10_EXP
1610# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1611# endif
1612# ifdef LDBL_MAX_10_EXP
1613# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1614# endif
1615# ifdef LDBL_EPSILON
1616# define NV_EPSILON LDBL_EPSILON
1617# endif
f4a14a62
JH		 1618# ifdef LDBL_MAX
1619# define NV_MAX LDBL_MAX
20f6aaab 1620/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1621# else
1622# ifdef HUGE_VALL
1623# define NV_MAX HUGE_VALL
1624# else
1625# ifdef HUGE_VAL
1626# define NV_MAX ((NV)HUGE_VAL)
1627# endif
1628# endif
1629# endif
68d4903c 1630# ifdef HAS_SQRTL
68d4903c
JH		 1631# define Perl_cos cosl
1632# define Perl_sin sinl
1633# define Perl_sqrt sqrtl
1634# define Perl_exp expl
1635# define Perl_log logl
1636# define Perl_atan2 atan2l
1637# define Perl_pow powl
1638# define Perl_floor floorl
1bbae031 1639# define Perl_ceil ceill
68d4903c
JH		 1640# define Perl_fmod fmodl
1641# endif
a3540c92
JH		 1642/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1643# ifdef HAS_MODFL
1644# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1645/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1646 prototype in <math.h> */
1647# ifndef HAS_MODFL_PROTO
a221a8a5 1648EXTERN_C long double modfl(long double, long double *);
51997bc3 1649# endif
03476e8e
JH		 1650# else
1651# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1652 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1653# define Perl_modf(x,y) Perl_my_modfl(x,y)
1654# endif
a3540c92
JH		 1655# endif
1656# ifdef HAS_FREXPL
dff3e0b8 1657# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1658# else
1659# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1660 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1661# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1662# endif
a3540c92 1663# endif
38dbb4c5 1664# ifndef Perl_isnan
758a5d79
JH		 1665# ifdef HAS_ISNANL
1666# define Perl_isnan(x) isnanl(x)
1667# endif
1668# endif
1669# ifndef Perl_isinf
1670# ifdef HAS_FINITEL
1671# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1672# endif
1673# endif
65202027 1674#else
2d4389e4 1675# define NV_DIG DBL_DIG
d6c14000
JH		 1676# ifdef DBL_MANT_DIG
1677# define NV_MANT_DIG DBL_MANT_DIG
1678# endif
06fc1729
JH		 1679# ifdef DBL_MIN
1680# define NV_MIN DBL_MIN
1681# endif
1682# ifdef DBL_MAX
1683# define NV_MAX DBL_MAX
1684# endif
1685# ifdef DBL_MIN_10_EXP
1686# define NV_MIN_10_EXP DBL_MIN_10_EXP
1687# endif
1688# ifdef DBL_MAX_10_EXP
1689# define NV_MAX_10_EXP DBL_MAX_10_EXP
1690# endif
1691# ifdef DBL_EPSILON
1692# define NV_EPSILON DBL_EPSILON
1693# endif
205f51d8 1694# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1695# define NV_MAX DBL_MAX
1696# define NV_MIN DBL_MIN
1697# else
1698# ifdef HUGE_VAL
1699# define NV_MAX HUGE_VAL
1700# endif
1701# endif
65202027
DS		 1702# define Perl_cos cos
1703# define Perl_sin sin
1704# define Perl_sqrt sqrt
1705# define Perl_exp exp
1706# define Perl_log log
1707# define Perl_atan2 atan2
1708# define Perl_pow pow
1709# define Perl_floor floor
1bbae031 1710# define Perl_ceil ceil
65202027 1711# define Perl_fmod fmod
a3540c92 1712# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1713# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1714#endif
1715
1716/* rumor has it that Win32 has _fpclass() */
1717
205f51d8
AS		 1718/* SGI has fpclassl... but not with the same result values,
1719 * and it's via a typedef (not via #define), so will need to redo Configure
1720 * to use. Not worth the trouble, IMO, at least until the below is used
1721 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1722 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1723 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1724
758a5d79
JH		 1725#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1726# ifdef I_IEEFP
1727# include <ieeefp.h>
1728# endif
1729# ifdef I_FP
1730# include <fp.h>
1731# endif
1732# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1733# define Perl_fp_class() fpclassl(x)
1734# else
1735# define Perl_fp_class() fpclass(x)
1736# endif
1737# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1738# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1739# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1740# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1741# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1742# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1743# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1744# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1745# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1746# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1747# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1748# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1749# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1750# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1751# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1752#endif
1753
7114a2d2 1754#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1755# include <math.h>
1756# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1757# include <fp_class.h>
1758# endif
1759# define Perl_fp_class(x) fp_class(x)
1760# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1761# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1762# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1763# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1764# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1765# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1766# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1767# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1768# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1769# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1770# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1771# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1772# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1773# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1774# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1775#endif
1776
1777#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1778# include <math.h>
1779# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1780# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1781# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1782# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1783# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1784# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1785#endif
1786
1787#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1788# include <math.h>
1789# ifndef _cplusplus
1790# define Perl_fp_class(x) class(x)
1791# else
1792# define Perl_fp_class(x) _class(x)
1793# endif
1794# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1795# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1796# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1797# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1798# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1799# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1800# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1801# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1802# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1803# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1804# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1805# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1806# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1807# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1808# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1809#endif
1810
1811/* rumor has it that Win32 has _isnan() */
1812
1813#ifndef Perl_isnan
a3540c92 1814# ifdef HAS_ISNAN
758a5d79
JH		 1815# define Perl_isnan(x) isnan((NV)x)
1816# else
1817# ifdef Perl_fp_class_nan
1818# define Perl_isnan(x) Perl_fp_class_nan(x)
1819# else
1820# ifdef HAS_UNORDERED
1821# define Perl_isnan(x) unordered((x), 0.0)
1822# else
1823# define Perl_isnan(x) ((x)!=(x))
1824# endif
1825# endif
1826# endif
1827#endif
1828
ca6c63e1
JH		 1829#ifdef UNDER_CE
1830int isnan(double d);
1831#endif
1832
758a5d79
JH		 1833#ifndef Perl_isinf
1834# ifdef HAS_ISINF
1835# define Perl_isinf(x) isinf((NV)x)
a3540c92 1836# else
758a5d79
JH		 1837# ifdef Perl_fp_class_inf
1838# define Perl_isinf(x) Perl_fp_class_inf(x)
1839# else
1840# define Perl_isinf(x) ((x)==NV_INF)
1841# endif
1842# endif
1843#endif
1844
1845#ifndef Perl_isfinite
1846# ifdef HAS_FINITE
1847# define Perl_isfinite(x) finite((NV)x)
1848# else
1849# ifdef HAS_ISFINITE
1850# define Perl_isfinite(x) isfinite(x)
1851# else
1852# ifdef Perl_fp_class_finite
1853# define Perl_isfinite(x) Perl_fp_class_finite(x)
1854# else
1855# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1856# endif
1857# endif
a3540c92 1858# endif
65202027
DS		 1859#endif
1860
a36244b7
JH		 1861/* The default is to use Perl's own atof() implementation (in numeric.c).
1862 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1863 * it is however best to use the native implementation of atof.
1864 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1865 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1866 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1867 * you may need to be using a different function than atof! */
a36244b7
JH		 1868
1869#ifndef USE_PERL_ATOF
1870# ifndef _UNICOS
1871# define USE_PERL_ATOF
1872# endif
1873#else
1874# if USE_PERL_ATOF == 0
1875# undef USE_PERL_ATOF
1876# endif
1877#endif
1878
1879#ifdef USE_PERL_ATOF
1880# define Perl_atof(s) Perl_my_atof(s)
1881# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1882#else
1883# define Perl_atof(s) (NV)atof(s)
1884# define Perl_atof2(s, n) ((n) = atof(s))
1885#endif
cf2093f6 1886
d460ef45 1887/* Previously these definitions used hardcoded figures.
760ac839
LW		 1888 * It is hoped these formula are more portable, although
1889 * no data one way or another is presently known to me.
1890 * The "PERL_" names are used because these calculated constants
1891 * do not meet the ANSI requirements for LONG_MAX, etc., which
1892 * need to be constants acceptable to #if - kja
1893 * define PERL_LONG_MAX 2147483647L
1894 * define PERL_LONG_MIN (-LONG_MAX - 1)
1895 * define PERL ULONG_MAX 4294967295L
1896 */
1897
1898#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1899# include <limits.h>
760ac839 1900#endif
205f51d8
AS		 1901/* Included values.h above if necessary; still including limits.h down here,
1902 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1903
99abf803 1904/*
1905 * Try to figure out max and min values for the integral types. THE CORRECT
1906 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1907 * following hacks are used if neither limits.h or values.h provide them:
1908 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1909 * for types < int: (unsigned TYPE)~(unsigned)0
1910 * The argument to ~ must be unsigned so that later signed->unsigned
1911 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1912 * and it must not be smaller than int because ~ does integral promotion.
1913 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1914 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1915 * The latter is a hack which happens to work on some machines but
1916 * does *not* catch any random system, or things like integer types
1917 * with NaN if that is possible.
1918 *
1919 * All of the types are explicitly cast to prevent accidental loss of
1920 * numeric range, and in the hope that they will be less likely to confuse
1921 * over-eager optimizers.
1922 *
1923 */
27d4fb96 1924
99abf803 1925#define PERL_UCHAR_MIN ((unsigned char)0)
1926
1927#ifdef UCHAR_MAX
1928# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1929#else
99abf803 1930# ifdef MAXUCHAR
1931# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1932# else
99abf803 1933# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1934# endif
1935#endif
d460ef45 1936
99abf803 1937/*
1938 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1939 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1940 * depending on local options. Until Configure detects this (or at least
1941 * detects whether the "signed" keyword is available) the CHAR ranges
1942 * will not be included. UCHAR functions normally.
1943 * - kja
1944 */
27d4fb96 1945
99abf803 1946#define PERL_USHORT_MIN ((unsigned short)0)
1947
1948#ifdef USHORT_MAX
1949# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1950#else
99abf803 1951# ifdef MAXUSHORT
1952# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1953# else
ef2f54b0
CB		 1954# ifdef USHRT_MAX
1955# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1956# else
1957# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1958# endif
27d4fb96 1959# endif
1960#endif
1961
27d4fb96 1962#ifdef SHORT_MAX
99abf803 1963# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1964#else
1965# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1966# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1967# else
ef2f54b0
CB		 1968# ifdef SHRT_MAX
1969# define PERL_SHORT_MAX ((short)SHRT_MAX)
1970# else
1971# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1972# endif
27d4fb96 1973# endif
1974#endif
1975
1976#ifdef SHORT_MIN
99abf803 1977# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1978#else
1979# ifdef MINSHORT
99abf803 1980# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1981# else
ef2f54b0
CB		 1982# ifdef SHRT_MIN
1983# define PERL_SHORT_MIN ((short)SHRT_MIN)
1984# else
1985# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1986# endif
27d4fb96 1987# endif
1988#endif
1989
99abf803 1990#ifdef UINT_MAX
1991# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1992#else
99abf803 1993# ifdef MAXUINT
1994# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1995# else
99abf803 1996# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1997# endif
1998#endif
1999
99abf803 2000#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2001
2002#ifdef INT_MAX
99abf803 2003# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2004#else
2005# ifdef MAXINT /* Often used in <values.h> */
99abf803 2006# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2007# else
99abf803 2008# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2009# endif
2010#endif
2011
2012#ifdef INT_MIN
99abf803 2013# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2014#else
2015# ifdef MININT
99abf803 2016# define PERL_INT_MIN ((int)MININT)
27d4fb96 2017# else
2018# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2019# endif
2020#endif
2021
99abf803 2022#ifdef ULONG_MAX
2023# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2024#else
99abf803 2025# ifdef MAXULONG
2026# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2027# else
99abf803 2028# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2029# endif
2030#endif
2031
99abf803 2032#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2033
760ac839 2034#ifdef LONG_MAX
99abf803 2035# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2036#else
2037# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2038# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2039# else
99abf803 2040# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2041# endif
2042#endif
2043
2044#ifdef LONG_MIN
99abf803 2045# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2046#else
2047# ifdef MINLONG
99abf803 2048# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2049# else
27d4fb96 2050# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2051# endif
2052#endif
2053
d7d93a81 2054#ifdef UV_IS_QUAD
99abf803 2055
99abf803 2056# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2057# define PERL_UQUAD_MIN ((UV)0)
99abf803 2058# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2059# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2060
79072805
LW		 2061#endif
2062
22f7c9c9
JH		 2063#ifdef MYMALLOC
2064# include "malloc_ctl.h"
2065#endif
2066
830247a4 2067struct RExC_state_t;
880b20b6 2068
ee0007ab 2069typedef MEM_SIZE STRLEN;
450a55e4 2070
79072805
LW		 2071typedef struct op OP;
2072typedef struct cop COP;
2073typedef struct unop UNOP;
2074typedef struct binop BINOP;
2075typedef struct listop LISTOP;
2076typedef struct logop LOGOP;
79072805
LW		 2077typedef struct pmop PMOP;
2078typedef struct svop SVOP;
7934575e 2079typedef struct padop PADOP;
79072805 2080typedef struct pvop PVOP;
79072805
LW		 2081typedef struct loop LOOP;
2082
93a17b20 2083typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2084
2085/* Amdahl's <ksync.h> has struct sv */
2086/* SGI's <sys/sema.h> has struct sv */
2087#if defined(UTS) || defined(__sgi)
2088# define STRUCT_SV perl_sv
b8d3c5db
JH		 2089#else
2090# define STRUCT_SV sv
2091#endif
2092typedef struct STRUCT_SV SV;
79072805
LW		 2093typedef struct av AV;
2094typedef struct hv HV;
2095typedef struct cv CV;
378cc40b 2096typedef struct regexp REGEXP;
79072805 2097typedef struct gp GP;
0c30d9ec 2098typedef struct gv GV;
8990e307 2099typedef struct io IO;
c09156bb 2100typedef struct context PERL_CONTEXT;
79072805
LW		 2101typedef struct block BLOCK;
2102
2103typedef struct magic MAGIC;
ed6116ce 2104typedef struct xrv XRV;
79072805
LW		 2105typedef struct xpv XPV;
2106typedef struct xpviv XPVIV;
ff68c719 2107typedef struct xpvuv XPVUV;
79072805
LW		 2108typedef struct xpvnv XPVNV;
2109typedef struct xpvmg XPVMG;
2110typedef struct xpvlv XPVLV;
2111typedef struct xpvav XPVAV;
2112typedef struct xpvhv XPVHV;
2113typedef struct xpvgv XPVGV;
2114typedef struct xpvcv XPVCV;
2115typedef struct xpvbm XPVBM;
2116typedef struct xpvfm XPVFM;
8990e307 2117typedef struct xpvio XPVIO;
79072805
LW		 2118typedef struct mgvtbl MGVTBL;
2119typedef union any ANY;
5f7fde29
GS		 2120typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2121typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2122typedef struct clone_params CLONE_PARAMS;
2123
378cc40b 2124#include "handy.h"
a0d0e21e 2125
6b8eaf93 2126#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2127# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2128# define USE_64_BIT_RAWIO /* implicit */
2129# endif
4564133c
JH		 2130#endif
2131
6b8eaf93
JH		 2132/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2133 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2134 * however, because operating systems like to do that themself. */
2135#ifndef FSEEKSIZE
2136# ifdef HAS_FSEEKO
2137# define FSEEKSIZE LSEEKSIZE
2138# else
2139# define FSEEKSIZE LONGSIZE
d460ef45 2140# endif
6b8eaf93
JH		 2141#endif
2142
2143#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2144# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2145# define USE_64_BIT_STDIO /* implicit */
2146# endif
2147#endif
4564133c 2148
09458382 2149#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2150# ifdef HAS_OFF64_T
2151# undef Off_t
2152# define Off_t off64_t
2153# undef LSEEKSIZE
2154# define LSEEKSIZE 8
5ff3f7a4 2155# endif
d9b3e12d
JH		 2156/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2157 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2158 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2159# if defined(USE_OPEN64)
2160# define open open64
5ff3f7a4 2161# endif
d9b3e12d
JH		 2162# if defined(USE_LSEEK64)
2163# define lseek lseek64
6b8eaf93
JH		 2164# else
2165# if defined(USE_LLSEEK)
2166# define lseek llseek
2167# endif
d9b3e12d
JH		 2168# endif
2169# if defined(USE_STAT64)
2170# define stat stat64
2171# endif
2172# if defined(USE_FSTAT64)
2173# define fstat fstat64
2174# endif
2175# if defined(USE_LSTAT64)
2176# define lstat lstat64
2177# endif
2178# if defined(USE_FLOCK64)
2179# define flock flock64
2180# endif
2181# if defined(USE_LOCKF64)
2182# define lockf lockf64
2183# endif
2184# if defined(USE_FCNTL64)
2185# define fcntl fcntl64
2186# endif
2187# if defined(USE_TRUNCATE64)
2188# define truncate truncate64
2189# endif
2190# if defined(USE_FTRUNCATE64)
2191# define ftruncate ftruncate64
2192# endif
2193#endif
2194
2195#ifdef USE_64_BIT_STDIO
2196# ifdef HAS_FPOS64_T
2197# undef Fpos_t
2198# define Fpos_t fpos64_t
2199# endif
2200/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2201 * will trigger defines like the ones below. Some 64-bit environments,
2202 * however, do not. */
2203# if defined(USE_FOPEN64)
2204# define fopen fopen64
2205# endif
2206# if defined(USE_FSEEK64)
6b8eaf93 2207# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2208# endif
2209# if defined(USE_FTELL64)
6b8eaf93 2210# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2211# endif
2212# if defined(USE_FSETPOS64)
2213# define fsetpos fsetpos64
2214# endif
2215# if defined(USE_FGETPOS64)
2216# define fgetpos fgetpos64
2217# endif
2218# if defined(USE_TMPFILE64)
2219# define tmpfile tmpfile64
2220# endif
2221# if defined(USE_FREOPEN64)
2222# define freopen freopen64
5ff3f7a4
GS		 2223# endif
2224#endif
2225
af8b425d 2226#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2227# include "iperlsys.h"
2228#endif
2229
6f71a643 2230#if defined(__OPEN_VM)
19848b3f
JH		 2231# include "vmesa/vmesaish.h"
2232# define ISHISH "vmesa"
6f71a643
JH		 2233#endif
2234
748a9306 2235#ifdef DOSISH
19848b3f
JH		 2236# if defined(OS2)
2237# include "os2ish.h"
2238# else
2239# include "dosish.h"
2240# endif
2241# define ISHISH "dos"
2242#endif
2243
2244#if defined(VMS)
748a9306 2245# include "vmsish.h"
96e176bf 2246# include "embed.h"
19848b3f
JH		 2247# define ISHISH "vms"
2248#endif
2249
2250#if defined(PLAN9)
2251# include "./plan9/plan9ish.h"
2252# define ISHISH "plan9"
2253#endif
2254
2255#if defined(MPE)
2256# include "mpeix/mpeixish.h"
2257# define ISHISH "mpeix"
2258#endif
2259
2260#if defined(__VOS__)
196918b0
PG		 2261# ifdef __GNUC__
2262# include "./vos/vosish.h"
2263# else
2264# include "vos/vosish.h"
2265# endif
19848b3f
JH		 2266# define ISHISH "vos"
2267#endif
2268
2269#if defined(EPOC)
2270# include "epocish.h"
2271# define ISHISH "epoc"
2272#endif
2273
27da23d5
JH		 2274#ifdef SYMBIAN
2275# include "symbian/symbianish.h"
2276# include "embed.h"
2277# define ISHISH "symbian"
2278#endif
2279
19848b3f
JH		 2280#if defined(MACOS_TRADITIONAL)
2281# include "macos/macish.h"
2282# ifndef NO_ENVIRON_ARRAY
2283# define NO_ENVIRON_ARRAY
0c30d9ec 2284# endif
19848b3f
JH		 2285# define ISHISH "macos classic"
2286#endif
2287
efca5cc6
JH		 2288#if defined(__BEOS__)
2289# include "beos/beosish.h"
2290# define ISHISH "beos"
2291#endif
2292
19848b3f
JH		 2293#ifndef ISHISH
2294# include "unixish.h"
2295# define ISHISH "unix"
13b6e58c
JH		 2296#endif
2297
2298#ifndef NO_ENVIRON_ARRAY
2299# define USE_ENVIRON_ARRAY
2300#endif
32f822de 2301
c77b533b
JH		 2302/*
2303 * initialise to avoid floating-point exceptions from overflow, etc
2304 */
2305#ifndef PERL_FPU_INIT
2306# ifdef HAS_FPSETMASK
2307# if HAS_FLOATINGPOINT_H
2308# include <floatingpoint.h>
2309# endif
2310# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2311# else
2f42fcb0 2312# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2313# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2314# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2315# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2316# else
2317# define PERL_FPU_INIT
2f42fcb0 2318
7014c407 2319# endif
c77b533b
JH		 2320# endif
2321#endif
b35112e7
CS		 2322#ifndef PERL_FPU_PRE_EXEC
2323# define PERL_FPU_PRE_EXEC {
2324# define PERL_FPU_POST_EXEC }
2325#endif
c77b533b 2326
ed344e4f
IZ		 2327#ifndef PERL_SYS_INIT3
2328# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2329#endif
2330
be708cc0
JH		 2331#ifndef PERL_WRITE_MSG_TO_CONSOLE
2332# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2333#endif
2334
0f31cffe
GS		 2335#ifndef MAXPATHLEN
2336# ifdef PATH_MAX
b990c8b2
JH		 2337# ifdef _POSIX_PATH_MAX
2338# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2339/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2340 * included the null byte or not. Later amendments of POSIX,
2341 * XPG4, the Austin Group, and the Single UNIX Specification
2342 * all explicitly include the null byte in the PATH_MAX.
2343 * Ditto for _POSIX_PATH_MAX. */
2344# define MAXPATHLEN PATH_MAX
b990c8b2 2345# else
09448d78 2346# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2347# endif
2348# else
2349# define MAXPATHLEN (PATH_MAX+1)
2350# endif
0f31cffe 2351# else
b990c8b2 2352# ifdef _POSIX_PATH_MAX
09448d78 2353# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2354# else
2355# define MAXPATHLEN 1024 /* Err on the large side. */
2356# endif
0f31cffe
GS		 2357# endif
2358#endif
2359
3db8f154 2360/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2361 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2362 * this results in many functions being undeclared which bothers C++
2363 * May make sense to have threads after "*ish.h" anyway
2364 */
2365
3db8f154 2366#if defined(USE_ITHREADS)
2986a63f
JH		 2367# ifdef NETWARE
2368# include <nw5thread.h>
2369# else
32f822de
GS		 2370# ifdef FAKE_THREADS
2371# include "fakethr.h"
2372# else
2373# ifdef WIN32
2374# include <win32thread.h>
2375# else
dd96f567
IZ		 2376# ifdef OS2
2377# include "os2thread.h"
2378# else
7f3d1cf1 2379# ifdef I_MACH_CTHREADS
bdd66968 2380# include <mach/cthreads.h>
8f1f23e8 2381# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2382# define MUTEX_INIT_CALLS_MALLOC
2383# endif
7f3d1cf1
BH		 2384typedef cthread_t perl_os_thread;
2385typedef mutex_t perl_mutex;
2386typedef condition_t perl_cond;
2387typedef void * perl_key;
2388# else /* Posix threads */
1f5ae88c
JH		 2389# ifdef I_PTHREAD
2390# include <pthread.h>
2391# endif
7f3d1cf1
BH		 2392typedef pthread_t perl_os_thread;
2393typedef pthread_mutex_t perl_mutex;
2394typedef pthread_cond_t perl_cond;
2395typedef pthread_key_t perl_key;
2396# endif /* I_MACH_CTHREADS */
dd96f567 2397# endif /* OS2 */
32f822de
GS		 2398# endif /* WIN32 */
2399# endif /* FAKE_THREADS */
2986a63f 2400#endif /* NETWARE */
3db8f154 2401#endif /* USE_ITHREADS */
c5be433b 2402
66a93824 2403#if defined(WIN32)
1feb2720 2404# include "win32.h"
c5be433b
GS		 2405#endif
2406
2986a63f
JH		 2407#ifdef NETWARE
2408# include "netware.h"
2409#endif
2410
e5218da5 2411#define STATUS_UNIX PL_statusvalue
68dc0745 2412#ifdef VMS
6b88bc9c 2413# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2414# define STATUS_NATIVE_EXPORT \
d98f61e7 2415 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2416# define STATUS_NATIVE_SET(n) \
2417 STMT_START { \
6b88bc9c
GS		 2418 PL_statusvalue_vms = (n); \
2419 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2420 PL_statusvalue = -1; \
6b88bc9c 2421 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2422 PL_statusvalue = 0; \
6b88bc9c
GS		 2423 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2424 PL_statusvalue = 1 << 8; \
68dc0745 2425 else \
6b88bc9c 2426 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2427 } STMT_END
68dc0745 2428# ifdef VMSISH_STATUS
e5218da5 2429# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2430# else
e5218da5 2431# define STATUS_CURRENT STATUS_UNIX
68dc0745 2432# endif
e5218da5 2433# define STATUS_UNIX_SET(n) \
68dc0745 2434 STMT_START { \
3280af22
NIS		 2435 PL_statusvalue = (n); \
2436 if (PL_statusvalue != -1) { \
2437 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2438 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2439 } \
6b88bc9c 2440 else PL_statusvalue_vms = -1; \
68dc0745 2441 } STMT_END
6b88bc9c
GS		 2442# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2443# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2444#else
e5218da5
GA		 2445# define STATUS_NATIVE PL_statusvalue_posix
2446# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2447# if defined(WCOREDUMP)
2448# define STATUS_NATIVE_SET(n) \
2449 STMT_START { \
2450 PL_statusvalue_posix = (n); \
2451 if (PL_statusvalue_posix == -1) \
2452 PL_statusvalue = -1; \
2453 else { \
2454 PL_statusvalue = \
2455 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2456 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2457 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2458 } \
2459 } STMT_END
2460# elif defined(WIFEXITED)
2461# define STATUS_NATIVE_SET(n) \
2462 STMT_START { \
2463 PL_statusvalue_posix = (n); \
2464 if (PL_statusvalue_posix == -1) \
2465 PL_statusvalue = -1; \
2466 else { \
2467 PL_statusvalue = \
2468 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2469 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2470 } \
2471 } STMT_END
2472# else
2473# define STATUS_NATIVE_SET(n) \
2474 STMT_START { \
2475 PL_statusvalue_posix = (n); \
2476 if (PL_statusvalue_posix == -1) \
2477 PL_statusvalue = -1; \
2478 else { \
2479 PL_statusvalue = \
2480 PL_statusvalue_posix & 0xFFFF; \
2481 } \
2482 } STMT_END
2483# endif
2484# define STATUS_UNIX_SET(n) \
68dc0745 2485 STMT_START { \
3280af22 2486 PL_statusvalue = (n); \
e5218da5 2487 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS		 2488 if (PL_statusvalue != -1) \
2489 PL_statusvalue &= 0xFFFF; \
68dc0745 2490 } STMT_END
e5218da5
GA		 2491# define STATUS_CURRENT STATUS_UNIX
2492# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2493# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2494#endif
2495
cc3604b1
GS		 2496/* flags in PL_exit_flags for nature of exit() */
2497#define PERL_EXIT_EXPECTED 0x01
31d77e54 2498#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2499
0b94c7bb 2500#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2501# define MEMBER_TO_FPTR(name) name
2502#endif
2503
2504/* format to use for version numbers in file/directory names */
273cf8d1 2505/* XXX move to Configure? */
a7cb1f99 2506#ifndef PERL_FS_VER_FMT
273cf8d1 2507# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2508#endif
2509
45bc9206 2510/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2511 * performance issue, so we allow people to disable it. Also, if
2512 * we are using stdio, there are broken implementations of fflush(NULL)
2513 * out there, Solaris being the most prominent.
45bc9206
GS		 2514 */
2515#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2516# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2517# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2518# else
2519# ifdef FFLUSH_ALL
2520# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2521# else
c5be433b 2522# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2523# endif
66fe083f 2524# endif
45bc9206
GS		 2525#endif
2526
7766f137
GS		 2527#ifndef PERL_WAIT_FOR_CHILDREN
2528# define PERL_WAIT_FOR_CHILDREN NOOP
2529#endif
2530
ba869deb 2531/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2532#ifndef PERL_SET_INTERP
2533# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2534#endif
2535
2536#ifndef PERL_GET_INTERP
2537# define PERL_GET_INTERP (PL_curinterp)
2538#endif
2539
54aff467 2540#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2541# ifdef MULTIPLICITY
ba869deb 2542# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2543# endif
ba869deb
GS		 2544# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2545#endif
2546
0dbb1585
AL		 2547/* This replaces the previous %_ "hack" by the "%-p" hack
2548 All that is required is that the perl source does not
2549 use "%-p" or "%-<number>p" format. These format will
2550 still work in perl code. RMB 2005/05/17
2551*/
894356b3 2552#ifndef SVf
0dbb1585 2553# define SVf "-p"
894356b3
GS		 2554#endif
2555
014ead4b 2556#ifndef SVf_precision
0dbb1585 2557# define SVf_precision(n) "-" n "p"
d2560b70
RB		 2558#endif
2559
014ead4b
RB		 2560#ifndef SVf32
2561# define SVf32 SVf_precision("32")
2562#endif
2563
2564#ifndef SVf256
2565# define SVf256 SVf_precision("256")
2566#endif
2567
2568#ifndef UVf
2569# define UVf UVuf
d2560b70
RB		 2570#endif
2571
5df617be 2572#ifndef DieNull
0dbb1585 2573# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB		 2574#endif
2575
0dbb1585
AL		 2576/* In case Configure was not used (we are using a "canned config"
2577 * such as Win32, or a cross-compilation setup, for example) try going
2578 * by the gcc major and minor versions. One useful URL is
2579 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2580 * but contrary to this information warn_unused_result seems
2581 * not to be in gcc 3.3.5, at least. --jhi */
2582#if defined __GNUC__
2583# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2584# define HASATTRIBUTE_FORMAT
2585# endif
2586# if __GNUC__ >= 3 /* 3.0 -> */
2587# define HASATTRIBUTE_MALLOC
2588# endif
2589# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2590# define HASATTRIBUTE_NONNULL
2591# endif
2592# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2593# define HASATTRIBUTE_NORETURN
2594# endif
2595# if __GNUC__ >= 3 /* gcc 3.0 -> */
2596# define HASATTRIBUTE_PURE
2597# endif
2598# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2599# define HASATTRIBUTE_UNUSED
2600# endif
2601# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2602# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB		 2603# endif
2604#endif
b7787f18 2605
f22be1b8 2606
0dbb1585
AL		 2607#ifdef HASATTRIBUTE_FORMAT
2608# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2609#endif
2610#ifdef HASATTRIBUTE_MALLOC
abb2c242 2611# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2612#endif
0dbb1585 2613#ifdef HASATTRIBUTE_NONNULL
abb2c242 2614# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2615#endif
0dbb1585 2616#ifdef HASATTRIBUTE_NORETURN
abb2c242 2617# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2618#endif
0dbb1585 2619#ifdef HASATTRIBUTE_PURE
abb2c242 2620# define __attribute__pure__ __attribute__((pure))
f22be1b8 2621#endif
0dbb1585
AL		 2622#ifdef HASATTRIBUTE_UNUSED
2623# define __attribute__unused__ __attribute__((unused))
2624#endif
2625#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2626# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2627#endif
2628
0dbb1585
AL		 2629/* If we haven't defined the attributes yet, define them to blank. */
2630#ifndef __attribute__format__
2631# define __attribute__format__(x,y,z)
2632#endif
f22be1b8 2633#ifndef __attribute__malloc__
abb2c242 2634# define __attribute__malloc__
f22be1b8
JH		 2635#endif
2636#ifndef __attribute__nonnull__
abb2c242 2637# define __attribute__nonnull__(a)
f22be1b8
JH		 2638#endif
2639#ifndef __attribute__noreturn__
abb2c242 2640# define __attribute__noreturn__
f22be1b8
JH		 2641#endif
2642#ifndef __attribute__pure__
abb2c242 2643# define __attribute__pure__
f22be1b8 2644#endif
0dbb1585
AL		 2645#ifndef __attribute__unused__
2646# define __attribute__unused__
2647#endif
f22be1b8 2648#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2649# define __attribute__warn_unused_result__
2650#endif
2651
0dbb1585
AL		 2652/* For functions that are marked as __attribute__noreturn__, it's not
2653 appropriate to call return. In either case, include the lint directive.
2654 */
2655#ifdef HASATTRIBUTE_NORETURN
2656# define NORETURN_FUNCTION_END /* NOT REACHED */
2657#else
2658# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2659#endif
2660
3fc1aec6 2661/* Some unistd.h's give a prototype for pause() even though
2662 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2663 below to be rejected by the compiler. Sigh.
3fc1aec6 2664*/
2665#ifdef HAS_PAUSE
2666#define Pause pause
2667#else
2668#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2669#endif
2670
2671#ifndef IOCPARM_LEN
2672# ifdef IOCPARM_MASK
2673 /* on BSDish systes we're safe */
2674# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2675# else
2676 /* otherwise guess at what's safe */
2677# define IOCPARM_LEN(x) 256
2678# endif
a0d0e21e
LW		 2679#endif
2680
1761cee5 2681#if defined(__CYGWIN__)
521e0776
GS		 2682/* USEMYBINMODE
2683 * This symbol, if defined, indicates that the program should
16fe6d59 2684 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2685 * that a file is in "binary" mode -- that is, that no translation
2686 * of bytes occurs on read or write operations.
2687 */
36894f0b 2688# define USEMYBINMODE /**/
77a40698 2689# include <io.h> /* for setmode() prototype */
16fe6d59 2690# define my_binmode(fp, iotype, mode) \
77a40698 2691 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2692#endif
2693
88d10794
JH		 2694#ifdef __CYGWIN__
2695void init_os_extras(void);
2696#endif
2697
cea2e8a9
GS		 2698#ifdef UNION_ANY_DEFINITION
2699UNION_ANY_DEFINITION;
2700#else
2701union any {
2702 void* any_ptr;
2703 I32 any_i32;
2704 IV any_iv;
2705 long any_long;
9febdf04 2706 bool any_bool;
c76ac1ee 2707 void (*any_dptr) (void*);
acfe0abc 2708 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2709};
2710#endif
2711
acfe0abc 2712typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2713
2714#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2715#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2716#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2717
c5078cac
JH		 2718#if defined(_AIX) && !defined(_AIX43)
2719#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2720/* We cannot include <crypt.h> to get the struct crypt_data
2721 * because of setkey prototype problems when threading */
2722typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2723 /* From OSF, Not needed in AIX
2724 char C[28], D[28];
2725 */
2726 char E[48];
2727 char KS[16][48];
2728 char block[66];
2729 char iobuf[16];
2730} CRYPTD;
2731#endif /* threading */
2732#endif /* AIX */
2733
af8b425d 2734#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2735# include "iperlsys.h"
2736#endif
504f80c1 2737
d10dc2ae
JH		 2738/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2739 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2740 * defined by Configure, despite their names being similar to the
2741 * other defines like USE_ITHREADS. Configure in fact knows nothing
2742 * about the randomised hashes. Therefore to enable/disable the hash
2743 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2744#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2745# define USE_HASH_SEED
504f80c1
JH		 2746#endif
2747
378cc40b 2748#include "regexp.h"
79072805 2749#include "sv.h"
378cc40b 2750#include "util.h"
8d063cd8 2751#include "form.h"
79072805 2752#include "gv.h"
dd2155a4 2753#include "pad.h"
79072805 2754#include "cv.h"
abdd5c84 2755#include "opnames.h"
79072805
LW		 2756#include "op.h"
2757#include "cop.h"
2758#include "av.h"
2759#include "hv.h"
2760#include "mg.h"
2761#include "scope.h"
4438c4b7 2762#include "warnings.h"
a0ed51b3 2763#include "utf8.h"
8d063cd8 2764
7fae4e64
GS		 2765/* Current curly descriptor */
2766typedef struct curcur CURCUR;
2767struct curcur {
2768 int parenfloor; /* how far back to strip paren data */
2769 int cur; /* how many instances of scan we've matched */
2770 int min; /* the minimal number of scans to match */
2771 int max; /* the maximal number of scans to match */
2772 int minmod; /* whether to work our way up or down */
2773 regnode * scan; /* the thing to match */
2774 regnode * next; /* what has to match after it */
2775 char * lastloc; /* where we started matching this scan */
2776 CURCUR * oldcc; /* current curly before we started this one */
2777};
2778
2779typedef struct _sublex_info SUBLEXINFO;
2780struct _sublex_info {
2781 I32 super_state; /* lexer state to save */
2782 I32 sub_inwhat; /* "lex_inwhat" to use */
2783 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2784 char *super_bufptr; /* PL_bufptr that was */
2785 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2786};
2787
455ece5e 2788typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2789
2c2d71f5 2790struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2791struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2792
2793typedef I32 CHECKPOINT;
76e3520e 2794
5f7fde29
GS		 2795struct ptr_tbl_ent {
2796 struct ptr_tbl_ent* next;
2797 void* oldval;
2798 void* newval;
d18c6117
GS		 2799};
2800
5f7fde29
GS		 2801struct ptr_tbl {
2802 struct ptr_tbl_ent** tbl_ary;
2803 UV tbl_max;
2804 UV tbl_items;
d18c6117
GS		 2805};
2806
450a55e4 2807#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2808# define I286
2809#endif
2810
fe14fcc3
LW		 2811#if defined(htonl) && !defined(HAS_HTONL)
2812#define HAS_HTONL
ae986130 2813#endif
fe14fcc3
LW		 2814#if defined(htons) && !defined(HAS_HTONS)
2815#define HAS_HTONS
ae986130 2816#endif
fe14fcc3
LW		 2817#if defined(ntohl) && !defined(HAS_NTOHL)
2818#define HAS_NTOHL
ae986130 2819#endif
fe14fcc3
LW		 2820#if defined(ntohs) && !defined(HAS_NTOHS)
2821#define HAS_NTOHS
ae986130 2822#endif
fe14fcc3 2823#ifndef HAS_HTONL
d9d8d8de 2824#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2825#define HAS_HTONS
2826#define HAS_HTONL
2827#define HAS_NTOHS
2828#define HAS_NTOHL
a687059c
LW		 2829#define MYSWAP
2830#define htons my_swap
2831#define htonl my_htonl
2832#define ntohs my_swap
2833#define ntohl my_ntohl
2834#endif
2835#else
d9d8d8de 2836#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2837#undef HAS_HTONS
2838#undef HAS_HTONL
2839#undef HAS_NTOHS
2840#undef HAS_NTOHL
a687059c
LW		 2841#endif
2842#endif
2843
988174c1
LW		 2844/*
2845 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2846 * -DWS
2847 */
2848#if BYTEORDER != 0x1234
2849# define HAS_VTOHL
2850# define HAS_VTOHS
2851# define HAS_HTOVL
2852# define HAS_HTOVS
c67712b2 2853# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2854# define vtohl(x) ((((x)&0xFF)<<24) \
2855 +(((x)>>24)&0xFF) \
2856 +(((x)&0x0000FF00)<<8) \
2857 +(((x)&0x00FF0000)>>8) )
2858# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2859# define htovl(x) vtohl(x)
2860# define htovs(x) vtohs(x)
2861# endif
2862 /* otherwise default to functions in util.c */
2a8c3029 2863#ifndef htovs
c623ac67
GS		 2864short htovs(short n);
2865short vtohs(short n);
2866long htovl(long n);
2867long vtohl(long n);
988174c1 2868#endif
2a8c3029 2869#endif
988174c1 2870
3bb7c1b4
JH		 2871/* *MAX Plus 1. A floating point value.
2872 Hopefully expressed in a way that dodgy floating point can't mess up.
2873 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2874 is added to it
2875 May find that some broken compiler will want the value cast to I32.
2876 [after the shift, as signed >> may not be as secure as unsigned >>]
2877*/
2878#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2879#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2880/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2881 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2882 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2883*/
2884#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2885
3bb7c1b4
JH		 2886#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2887#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2888#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2889
2890/* This may look like unnecessary jumping through hoops, but converting
2891 out of range floating point values to integers *is* undefined behaviour,
2892 and it is starting to bite.
2893*/
2894#ifndef CAST_INLINE
65202027 2895#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2896#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2897#define I_V(what) (cast_iv((NV)(what)))
2898#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2899#else
2900#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2901 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2902 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2903#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2904 : ((n) < U32_MAX_P1 ? (U32) (n) \
2905 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2906#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2907 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2908 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2909#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2910 : ((n) < UV_MAX_P1 ? (UV) (n) \
2911 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2912#endif
2913
2914#define U_S(what) ((U16)U_32(what))
2915#define U_I(what) ((unsigned int)U_32(what))
2916#define U_L(what) U_32(what)
ed6116ce 2917
2d4389e4
JH		 2918/* These do not care about the fractional part, only about the range. */
2919#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2920#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2921
25da4f38
IZ		 2922/* Used with UV/IV arguments: */
2923 /* XXXX: need to speed it up */
2924#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2925#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2926
352d5a3a
LW		 2927#ifndef MAXSYSFD
2928# define MAXSYSFD 2
2929#endif
ee0007ab 2930
79072805 2931#ifndef __cplusplus
27da23d5 2932#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 2933Uid_t getuid (void);
2934Uid_t geteuid (void);
2935Gid_t getgid (void);
2936Gid_t getegid (void);
79072805 2937#endif
e1caacb4 2938#endif
8d063cd8 2939
0c30d9ec 2940#ifndef Perl_debug_log
bf49b057
GS		 2941# define Perl_debug_log PerlIO_stderr()
2942#endif
2943
2944#ifndef Perl_error_log
2945# define Perl_error_log (PL_stderrgv \
6b78add2 2946 && isGV(PL_stderrgv) \
01bb7c6d 2947 && GvIOp(PL_stderrgv) \
42de951c 2948 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2949 ? IoOFP(GvIOp(PL_stderrgv)) \
2950 : PerlIO_stderr())
0c30d9ec 2951#endif
3967c732 2952
aea4f609
DM		 2953
2954#define DEBUG_p_FLAG 0x00000001 /* 1 */
2955#define DEBUG_s_FLAG 0x00000002 /* 2 */
2956#define DEBUG_l_FLAG 0x00000004 /* 4 */
2957#define DEBUG_t_FLAG 0x00000008 /* 8 */
2958#define DEBUG_o_FLAG 0x00000010 /* 16 */
2959#define DEBUG_c_FLAG 0x00000020 /* 32 */
2960#define DEBUG_P_FLAG 0x00000040 /* 64 */
2961#define DEBUG_m_FLAG 0x00000080 /* 128 */
2962#define DEBUG_f_FLAG 0x00000100 /* 256 */
2963#define DEBUG_r_FLAG 0x00000200 /* 512 */
2964#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2965#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2966 /* spare */
aea4f609
DM		 2967#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2968#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2969#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2970#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2971#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2972#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2973#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2974#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2975#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2976#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2977#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2978#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2979
2980#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2981#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2982 that something was done? */
aea4f609 2983
bd16a5f0
IZ		 2984# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2985# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2986# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2987# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2988# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2989# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2990# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2991# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2992# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2993# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2994# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2995# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2996# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2997# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2998# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2999# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3000# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3001# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3002# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3003# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3004# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3005# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3006# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3007# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3008
3967c732 3009#ifdef DEBUGGING
aea4f609 3010
bd16a5f0
IZ		 3011# define DEBUG_p_TEST DEBUG_p_TEST_
3012# define DEBUG_s_TEST DEBUG_s_TEST_
3013# define DEBUG_l_TEST DEBUG_l_TEST_
3014# define DEBUG_t_TEST DEBUG_t_TEST_
3015# define DEBUG_o_TEST DEBUG_o_TEST_
3016# define DEBUG_c_TEST DEBUG_c_TEST_
3017# define DEBUG_P_TEST DEBUG_P_TEST_
3018# define DEBUG_m_TEST DEBUG_m_TEST_
3019# define DEBUG_f_TEST DEBUG_f_TEST_
3020# define DEBUG_r_TEST DEBUG_r_TEST_
3021# define DEBUG_x_TEST DEBUG_x_TEST_
3022# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3023# define DEBUG_H_TEST DEBUG_H_TEST_
3024# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3025# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3026# define DEBUG_D_TEST DEBUG_D_TEST_
3027# define DEBUG_S_TEST DEBUG_S_TEST_
3028# define DEBUG_T_TEST DEBUG_T_TEST_
3029# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3030# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3031# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3032# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3033# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3034# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3035
488b0c7a
JH		 3036# define PERL_DEB(a) a
3037# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3038# define DEBUG_p(a) if (DEBUG_p_TEST) a
3039# define DEBUG_s(a) if (DEBUG_s_TEST) a
3040# define DEBUG_l(a) if (DEBUG_l_TEST) a
3041# define DEBUG_t(a) if (DEBUG_t_TEST) a
3042# define DEBUG_o(a) if (DEBUG_o_TEST) a
3043# define DEBUG_c(a) if (DEBUG_c_TEST) a
3044# define DEBUG_P(a) if (DEBUG_P_TEST) a
3045
969058bb
VK		 3046 /* Temporarily turn off memory debugging in case the a
3047 * does memory allocation, either directly or indirectly. */
acfe0abc 3048# define DEBUG_m(a) \
0b250b9e 3049 STMT_START { \
aea4f609 3050 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3051 } STMT_END
aea4f609 3052
5f80b19c
AMS		 3053# define DEBUG__(t, a) \
3054 STMT_START { \
3055 if (t) STMT_START {a;} STMT_END; \
3056 } STMT_END
3057
3058# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3059# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3060# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3061# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3062# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3063# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3064# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3065# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3066
3db8f154 3067# define DEBUG_S(a)
aea4f609 3068
5f80b19c
AMS		 3069# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3070# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3071# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3072# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3073# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3074# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3075
3076#else /* DEBUGGING */
3077
3078# define DEBUG_p_TEST (0)
3079# define DEBUG_s_TEST (0)
3080# define DEBUG_l_TEST (0)
3081# define DEBUG_t_TEST (0)
3082# define DEBUG_o_TEST (0)
3083# define DEBUG_c_TEST (0)
3084# define DEBUG_P_TEST (0)
3085# define DEBUG_m_TEST (0)
3086# define DEBUG_f_TEST (0)
3087# define DEBUG_r_TEST (0)
3088# define DEBUG_x_TEST (0)
3089# define DEBUG_u_TEST (0)
aea4f609
DM		 3090# define DEBUG_H_TEST (0)
3091# define DEBUG_X_TEST (0)
dd2155a4 3092# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3093# define DEBUG_D_TEST (0)
3094# define DEBUG_S_TEST (0)
3095# define DEBUG_T_TEST (0)
04932ac8 3096# define DEBUG_R_TEST (0)
1045810a 3097# define DEBUG_J_TEST (0)
d6721266 3098# define DEBUG_v_TEST (0)
46187eeb 3099# define DEBUG_C_TEST (0)
ecae49c0
NC		 3100# define DEBUG_A_TEST (0)
3101# define DEBUG_q_TEST (0)
aea4f609 3102
488b0c7a
JH		 3103# define PERL_DEB(a)
3104# define PERL_DEBUG(a)
aea4f609
DM		 3105# define DEBUG_p(a)
3106# define DEBUG_s(a)
3107# define DEBUG_l(a)
3108# define DEBUG_t(a)
3109# define DEBUG_o(a)
3110# define DEBUG_c(a)
3111# define DEBUG_P(a)
3112# define DEBUG_m(a)
3113# define DEBUG_f(a)
3114# define DEBUG_r(a)
3115# define DEBUG_x(a)
3116# define DEBUG_u(a)
aea4f609
DM		 3117# define DEBUG_H(a)
3118# define DEBUG_X(a)
dd2155a4 3119# define DEBUG_Xv(a)
aea4f609
DM		 3120# define DEBUG_D(a)
3121# define DEBUG_S(a)
3122# define DEBUG_T(a)
04932ac8 3123# define DEBUG_R(a)
d6721266 3124# define DEBUG_v(a)
46187eeb 3125# define DEBUG_C(a)
ecae49c0
NC		 3126# define DEBUG_A(a)
3127# define DEBUG_q(a)
aea4f609
DM		 3128#endif /* DEBUGGING */
3129
3130
b4ab917c
DM		 3131#define DEBUG_SCOPE(where) \
3132 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3133 where, PL_scopestack_ix, __FILE__, __LINE__)));
3134
3135
3136
3137
d1be9408 3138/* These constants should be used in preference to raw characters
14befaf4
DM		 3139 * when using magic. Note that some perl guts still assume
3140 * certain character properties of these constants, namely that
3141 * isUPPER() and toLOWER() may do useful mappings.
3142 *
3143 * Update the magic_names table in dump.c when adding/amending these
3144 */
3145
3146#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3147#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3148#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3149#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3150#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3151#define PERL_MAGIC_regdata 'D' /* Regex match position data
3152 (@+ and @- vars) */
3153#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3154#define PERL_MAGIC_env 'E' /* %ENV hash */
3155#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3156#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3157#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3158#define PERL_MAGIC_isa 'I' /* @ISA array */
3159#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3160#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3161#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3162#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3163#define PERL_MAGIC_mutex 'm' /* for lock op */
3164#define PERL_MAGIC_shared 'N' /* Shared between threads */
3165#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3166#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3167#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3168#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3169#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3170#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3171#define PERL_MAGIC_sig 'S' /* %SIG hash */
3172#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3173#define PERL_MAGIC_taint 't' /* Taintedness */
3174#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3175#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3176#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3177#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3178#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3179#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3180#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3181 smart parameter vivification */
3182#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3183#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3184#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3185#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3186#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3187#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3188#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3189#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3190
3191
a6e633de 3192#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3193#define assert(what) PERL_DEB( \
3194 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3195 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3196 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3197 PerlProc_exit(1), \
3198 (void) 0)))
a446a88f 3199#endif
8d063cd8 3200
450a55e4 3201struct ufuncs {
24f81a43
DM		 3202 I32 (*uf_val)(pTHX_ IV, SV*);
3203 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3204 IV uf_index;
450a55e4
LW		 3205};
3206
14befaf4 3207/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3208 * XS code wanting to be backward compatible can do something
3209 * like the following:
c745e42c 3210
24f81a43 3211#ifndef PERL_MG_UFUNC
24f81a43
DM		 3212#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3213#endif
3214
3215static PERL_MG_UFUNC(foo_get, index, val)
3216{
3217 sv_setsv(val, ...);
3218 return TRUE;
3219}
3220
3221-- Doug MacEachern
3222
3223*/
3224
fc9c74e6 3225#ifndef PERL_MG_UFUNC
24f81a43 3226#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3227#endif
24f81a43 3228
fe14fcc3 3229/* Fix these up for __STDC__ */
68dc0745 3230#ifndef DONT_DECLARE_STD
20ce7b12 3231char *mktemp (char*);
37bd1396 3232#ifndef atof
20ce7b12 3233double atof (const char*);
a0d0e21e 3234#endif
37bd1396 3235#endif
79072805 3236
352d5a3a 3237#ifndef STANDARD_C
fe14fcc3 3238/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3239Time_t time();
8d063cd8 3240struct tm *gmtime(), *localtime();
092bebab 3241#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3242char *(strchr)(), *(strrchr)();
3243char *(strcpy)(), *(strcat)();
3244#else
93a17b20 3245char *strchr(), *strrchr();
378cc40b 3246char *strcpy(), *strcat();
9d116dd7 3247#endif
352d5a3a 3248#endif /* ! STANDARD_C */
8d063cd8 3249
79072805
LW		 3250
3251#ifdef I_MATH
3252# include <math.h>
3253#else
32f822de 3254START_EXTERN_C
20ce7b12
GS		 3255 double exp (double);
3256 double log (double);
3257 double log10 (double);
3258 double sqrt (double);
3259 double frexp (double,int*);
3260 double ldexp (double,int);
3261 double modf (double,double*);
3262 double sin (double);
3263 double cos (double);
3264 double atan2 (double,double);
3265 double pow (double,double);
32f822de 3266END_EXTERN_C
79072805
LW		 3267#endif
3268
aa8b85de
JH		 3269#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3270# define NV_INF LDBL_INFINITY
3271#endif
3272#if !defined(NV_INF) && defined(DBL_INFINITY)
3273# define NV_INF (NV)DBL_INFINITY
3274#endif
3275#if !defined(NV_INF) && defined(INFINITY)
3276# define NV_INF (NV)INFINITY
3277#endif
3278#if !defined(NV_INF) && defined(INF)
3279# define NV_INF (NV)INF
3280#endif
3281#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3282# define NV_INF (NV)HUGE_VALL
3283#endif
3284#if !defined(NV_INF) && defined(HUGE_VAL)
3285# define NV_INF (NV)HUGE_VAL
3286#endif
3287
3288#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3289# if !defined(NV_NAN) && defined(LDBL_NAN)
3290# define NV_NAN LDBL_NAN
3291# endif
3292# if !defined(NV_NAN) && defined(LDBL_QNAN)
3293# define NV_NAN LDBL_QNAN
3294# endif
3295# if !defined(NV_NAN) && defined(LDBL_SNAN)
3296# define NV_NAN LDBL_SNAN
3297# endif
3298#endif
3299#if !defined(NV_NAN) && defined(DBL_NAN)
3300# define NV_NAN (NV)DBL_NAN
3301#endif
3302#if !defined(NV_NAN) && defined(DBL_QNAN)
3303# define NV_NAN (NV)DBL_QNAN
3304#endif
3305#if !defined(NV_NAN) && defined(DBL_SNAN)
3306# define NV_NAN (NV)DBL_SNAN
3307#endif
3308#if !defined(NV_NAN) && defined(QNAN)
3309# define NV_NAN (NV)QNAN
3310#endif
3311#if !defined(NV_NAN) && defined(SNAN)
3312# define NV_NAN (NV)SNAN
3313#endif
3314#if !defined(NV_NAN) && defined(NAN)
3315# define NV_NAN (NV)NAN
3316#endif
3317
a0d0e21e 3318#ifndef __cplusplus
8f1f23e8 3319# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3320char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3321# else
fd8cd3a3 3322# if !defined(WIN32) && !defined(VMS)
10bc17b6 3323#ifndef crypt
20ce7b12 3324char *crypt (const char*, const char*);
10bc17b6 3325#endif
5014db98 3326# endif /* !WIN32 */
8f1f23e8 3327# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3328# ifndef DONT_DECLARE_STD
3329# ifndef getenv
20ce7b12 3330char *getenv (const char*);
26618a56 3331# endif /* !getenv */
28ca6303 3332# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3333# ifdef _FILE_OFFSET_BITS
28ca6303 3334# if _FILE_OFFSET_BITS == 64
20ce7b12 3335Off_t lseek (int,Off_t,int);
0fc67700
JH		 3336# endif
3337# endif
bf0c440f 3338# endif
26618a56 3339# endif /* !DONT_DECLARE_STD */
10bc17b6 3340#ifndef getlogin
20ce7b12 3341char *getlogin (void);
10bc17b6 3342#endif
26618a56 3343#endif /* !__cplusplus */
79072805 3344
16d20bd9 3345#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3346#define UNLINK unlnk
20ce7b12 3347I32 unlnk (char*);
8d063cd8 3348#else
80252599 3349#define UNLINK PerlLIO_unlink
8d063cd8 3350#endif
a687059c 3351
fa0a29af
JH		 3352/* some versions of glibc are missing the setresuid() proto */
3353#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3354int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3355#endif
fa0a29af
JH		 3356/* some versions of glibc are missing the setresgid() proto */
3357#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3358int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3359#endif
3360
fe14fcc3 3361#ifndef HAS_SETREUID
85e6fe83
LW		 3362# ifdef HAS_SETRESUID
3363# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3364# define HAS_SETREUID
3365# endif
a687059c 3366#endif
fe14fcc3 3367#ifndef HAS_SETREGID
85e6fe83
LW		 3368# ifdef HAS_SETRESGID
3369# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3370# define HAS_SETREGID
3371# endif
a687059c 3372#endif
ee0007ab 3373
d543acb6 3374/* Sighandler_t defined in iperlsys.h */
ff68c719 3375
3376#ifdef HAS_SIGACTION
3377typedef struct sigaction Sigsave_t;
3378#else
3379typedef Sighandler_t Sigsave_t;
3380#endif
3381
ee0007ab
LW		 3382#define SCAN_DEF 0
3383#define SCAN_TR 1
3384#define SCAN_REPL 2
79072805
LW		 3385
3386#ifdef DEBUGGING
4633a7c4 3387# ifndef register
a0d0e21e
LW		 3388# define register
3389# endif
cea2e8a9 3390# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3391#else
cea2e8a9 3392# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3393#endif
3394
18f739ee 3395#ifdef MYMALLOC
772fe5b3 3396# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3397# define MALLOC_INIT \
3398 STMT_START { \
3399 PL_malloc_mutex = NULL; \
3400 MUTEX_INIT(&PL_malloc_mutex); \
3401 } STMT_END
3402# define MALLOC_TERM \
3403 STMT_START { \
3404 perl_mutex tmp = PL_malloc_mutex; \
3405 PL_malloc_mutex = NULL; \
3406 MUTEX_DESTROY(&tmp); \
3407 } STMT_END
3408# else
3409# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3410# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3411# endif
18f739ee
IZ		 3412#else
3413# define MALLOC_INIT
3414# define MALLOC_TERM
3415#endif
3416
b6d9d515 3417
0cb96387 3418typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3419typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3420typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3421typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3422
940cb80d 3423/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3424#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3425
8f1f23e8
W		 3426/* NeXT has problems with crt0.o globals */
3427#if defined(__DYNAMIC__) && \
6239f2da 3428 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3429# if defined(NeXT) || defined(__NeXT)
3430# include <mach-o/dyld.h>
3431# define environ (*environ_pointer)
0c30d9ec 3432EXT char *** environ_pointer;
8f1f23e8 3433# else
6239f2da 3434# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3435# include <crt_externs.h> /* for the env array */
3436# define environ (*_NSGetEnviron())
3437# endif
0c30d9ec 3438# endif
8f1f23e8
W		 3439#else
3440 /* VMS and some other platforms don't use the environ array */
13b6e58c 3441# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3442# if !defined(DONT_DECLARE_STD) || \
3443 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3444 defined(__sgi) || \
d460ef45 3445 defined(__DGUX)
8f1f23e8 3446extern char ** environ; /* environment variables supplied via exec */
a6c40364 3447# endif
8f1f23e8
W		 3448# endif
3449#endif
79072805 3450
73c4f7a1
GS		 3451START_EXTERN_C
3452
79072805 3453/* handy constants */
22c35a8c 3454EXTCONST char PL_warn_uninit[]
29489e7c 3455 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3456EXTCONST char PL_warn_nosemi[]
463ee0b2 3457 INIT("Semicolon seems to be missing");
22c35a8c 3458EXTCONST char PL_warn_reserved[]
463ee0b2 3459 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3460EXTCONST char PL_warn_nl[]
93a17b20 3461 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3462EXTCONST char PL_no_wrongref[]
a0d0e21e 3463 INIT("Can't use %s ref as %s ref");
22c35a8c 3464EXTCONST char PL_no_symref[]
748a9306 3465 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3466EXTCONST char PL_no_symref_sv[]
014ead4b 3467 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3468EXTCONST char PL_no_usym[]
8990e307 3469 INIT("Can't use an undefined value as %s reference");
22c35a8c 3470EXTCONST char PL_no_aelem[]
93a17b20 3471 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3472EXTCONST char PL_no_helem_sv[]
3473 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3474EXTCONST char PL_no_modify[]
93a17b20 3475 INIT("Modification of a read-only value attempted");
22c35a8c 3476EXTCONST char PL_no_mem[]
93a17b20 3477 INIT("Out of memory!\n");
22c35a8c 3478EXTCONST char PL_no_security[]
463ee0b2 3479 INIT("Insecure dependency in %s%s");
22c35a8c 3480EXTCONST char PL_no_sock_func[]
93a17b20 3481 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3482EXTCONST char PL_no_dir_func[]
93a17b20 3483 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3484EXTCONST char PL_no_func[]
93a17b20 3485 INIT("The %s function is unimplemented");
22c35a8c 3486EXTCONST char PL_no_myglob[]
748a9306 3487 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3488EXTCONST char PL_no_localize_ref[]
3489 INIT("Can't localize through a reference");
27d5b266
JH		 3490#ifdef PERL_MALLOC_WRAP
3491EXTCONST char PL_memory_wrap[]
3492 INIT("panic: memory wrap");
3493#endif
93a17b20 3494
7575fa06 3495EXTCONST char PL_uuemap[65]
80252599
GS		 3496 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3497
3498
79072805 3499#ifdef DOINIT
27da23d5
JH		 3500EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3501EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3502#else
27da23d5
JH		 3503EXTCONST char* const PL_sig_name[];
3504EXTCONST int PL_sig_num[];
79072805
LW		 3505#endif
3506
3bd709b1 3507/* fast conversion and case folding tables */
bbce6d69 3508
79072805 3509#ifdef DOINIT
9d116dd7 3510#ifdef EBCDIC
27da23d5 3511EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3512 0, 1, 2, 3, 4, 5, 6, 7,
3513 8, 9, 10, 11, 12, 13, 14, 15,
3514 16, 17, 18, 19, 20, 21, 22, 23,
3515 24, 25, 26, 27, 28, 29, 30, 31,
3516 32, 33, 34, 35, 36, 37, 38, 39,
3517 40, 41, 42, 43, 44, 45, 46, 47,
3518 48, 49, 50, 51, 52, 53, 54, 55,
3519 56, 57, 58, 59, 60, 61, 62, 63,
3520 64, 65, 66, 67, 68, 69, 70, 71,
3521 72, 73, 74, 75, 76, 77, 78, 79,
3522 80, 81, 82, 83, 84, 85, 86, 87,
3523 88, 89, 90, 91, 92, 93, 94, 95,
3524 96, 97, 98, 99, 100, 101, 102, 103,
3525 104, 105, 106, 107, 108, 109, 110, 111,
3526 112, 113, 114, 115, 116, 117, 118, 119,
3527 120, 121, 122, 123, 124, 125, 126, 127,
3528 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3529 'H', 'I', 138, 139, 140, 141, 142, 143,
3530 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3531 'Q', 'R', 154, 155, 156, 157, 158, 159,
3532 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3533 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3534 176, 177, 178, 179, 180, 181, 182, 183,
3535 184, 185, 186, 187, 188, 189, 190, 191,
3536 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3537 'h', 'i', 202, 203, 204, 205, 206, 207,
3538 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3539 'q', 'r', 218, 219, 220, 221, 222, 223,
3540 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3541 'y', 'z', 234, 235, 236, 237, 238, 239,
3542 240, 241, 242, 243, 244, 245, 246, 247,
3543 248, 249, 250, 251, 252, 253, 254, 255
3544};
3545#else /* ascii rather than ebcdic */
22c35a8c 3546EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3547 0, 1, 2, 3, 4, 5, 6, 7,
3548 8, 9, 10, 11, 12, 13, 14, 15,
3549 16, 17, 18, 19, 20, 21, 22, 23,
3550 24, 25, 26, 27, 28, 29, 30, 31,
3551 32, 33, 34, 35, 36, 37, 38, 39,
3552 40, 41, 42, 43, 44, 45, 46, 47,
3553 48, 49, 50, 51, 52, 53, 54, 55,
3554 56, 57, 58, 59, 60, 61, 62, 63,
3555 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3556 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3557 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3558 'x', 'y', 'z', 91, 92, 93, 94, 95,
3559 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3560 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3561 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3562 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3563 128, 129, 130, 131, 132, 133, 134, 135,
3564 136, 137, 138, 139, 140, 141, 142, 143,
3565 144, 145, 146, 147, 148, 149, 150, 151,
3566 152, 153, 154, 155, 156, 157, 158, 159,
3567 160, 161, 162, 163, 164, 165, 166, 167,
3568 168, 169, 170, 171, 172, 173, 174, 175,
3569 176, 177, 178, 179, 180, 181, 182, 183,
3570 184, 185, 186, 187, 188, 189, 190, 191,
3571 192, 193, 194, 195, 196, 197, 198, 199,
3572 200, 201, 202, 203, 204, 205, 206, 207,
3573 208, 209, 210, 211, 212, 213, 214, 215,
3574 216, 217, 218, 219, 220, 221, 222, 223,
3575 224, 225, 226, 227, 228, 229, 230, 231,
3576 232, 233, 234, 235, 236, 237, 238, 239,
3577 240, 241, 242, 243, 244, 245, 246, 247,
3578 248, 249, 250, 251, 252, 253, 254, 255
3579};
9d116dd7 3580#endif /* !EBCDIC */
79072805 3581#else
22c35a8c 3582EXTCONST unsigned char PL_fold[];
79072805
LW		 3583#endif
3584
27da23d5 3585#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3586#ifdef DOINIT
27da23d5 3587EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3588 0, 1, 2, 3, 4, 5, 6, 7,
3589 8, 9, 10, 11, 12, 13, 14, 15,
3590 16, 17, 18, 19, 20, 21, 22, 23,
3591 24, 25, 26, 27, 28, 29, 30, 31,
3592 32, 33, 34, 35, 36, 37, 38, 39,
3593 40, 41, 42, 43, 44, 45, 46, 47,
3594 48, 49, 50, 51, 52, 53, 54, 55,
3595 56, 57, 58, 59, 60, 61, 62, 63,
3596 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3597 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3598 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3599 'x', 'y', 'z', 91, 92, 93, 94, 95,
3600 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3601 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3602 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3603 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3604 128, 129, 130, 131, 132, 133, 134, 135,
3605 136, 137, 138, 139, 140, 141, 142, 143,
3606 144, 145, 146, 147, 148, 149, 150, 151,
3607 152, 153, 154, 155, 156, 157, 158, 159,
3608 160, 161, 162, 163, 164, 165, 166, 167,
3609 168, 169, 170, 171, 172, 173, 174, 175,
3610 176, 177, 178, 179, 180, 181, 182, 183,
3611 184, 185, 186, 187, 188, 189, 190, 191,
3612 192, 193, 194, 195, 196, 197, 198, 199,
3613 200, 201, 202, 203, 204, 205, 206, 207,
3614 208, 209, 210, 211, 212, 213, 214, 215,
3615 216, 217, 218, 219, 220, 221, 222, 223,
3616 224, 225, 226, 227, 228, 229, 230, 231,
3617 232, 233, 234, 235, 236, 237, 238, 239,
3618 240, 241, 242, 243, 244, 245, 246, 247,
3619 248, 249, 250, 251, 252, 253, 254, 255
3620};
3621#else
27da23d5 3622EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3623#endif
27da23d5 3624#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3625
3626#ifdef DOINIT
9d116dd7 3627#ifdef EBCDIC
27da23d5 3628EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3629 1, 2, 84, 151, 154, 155, 156, 157,
3630 165, 246, 250, 3, 158, 7, 18, 29,
3631 40, 51, 62, 73, 85, 96, 107, 118,
3632 129, 140, 147, 148, 149, 150, 152, 153,
3633 255, 6, 8, 9, 10, 11, 12, 13,
3634 14, 15, 24, 25, 26, 27, 28, 226,
3635 29, 30, 31, 32, 33, 43, 44, 45,
3636 46, 47, 48, 49, 50, 76, 77, 78,
3637 79, 80, 81, 82, 83, 84, 85, 86,
3638 87, 94, 95, 234, 181, 233, 187, 190,
3639 180, 96, 97, 98, 99, 100, 101, 102,
3640 104, 112, 182, 174, 236, 232, 229, 103,
3641 228, 226, 114, 115, 116, 117, 118, 119,
3642 120, 121, 122, 235, 176, 230, 194, 162,
3643 130, 131, 132, 133, 134, 135, 136, 137,
3644 138, 139, 201, 205, 163, 217, 220, 224,
3645 5, 248, 227, 244, 242, 255, 241, 231,
3646 240, 253, 16, 197, 19, 20, 21, 187,
3647 23, 169, 210, 245, 237, 249, 247, 239,
3648 168, 252, 34, 196, 36, 37, 38, 39,
3649 41, 42, 251, 254, 238, 223, 221, 213,
3650 225, 177, 52, 53, 54, 55, 56, 57,
3651 58, 59, 60, 61, 63, 64, 65, 66,
3652 67, 68, 69, 70, 71, 72, 74, 75,
3653 205, 208, 186, 202, 200, 218, 198, 179,
3654 178, 214, 88, 89, 90, 91, 92, 93,
3655 217, 166, 170, 207, 199, 209, 206, 204,
3656 160, 212, 105, 106, 108, 109, 110, 111,
3657 203, 113, 216, 215, 192, 175, 193, 243,
3658 172, 161, 123, 124, 125, 126, 127, 128,
3659 222, 219, 211, 195, 188, 193, 185, 184,
3660 191, 183, 141, 142, 143, 144, 145, 146
3661};
3662#else /* ascii rather than ebcdic */
22c35a8c 3663EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3664 1, 2, 84, 151, 154, 155, 156, 157,
3665 165, 246, 250, 3, 158, 7, 18, 29,
3666 40, 51, 62, 73, 85, 96, 107, 118,
3667 129, 140, 147, 148, 149, 150, 152, 153,
3668 255, 182, 224, 205, 174, 176, 180, 217,
3669 233, 232, 236, 187, 235, 228, 234, 226,
3670 222, 219, 211, 195, 188, 193, 185, 184,
3671 191, 183, 201, 229, 181, 220, 194, 162,
3672 163, 208, 186, 202, 200, 218, 198, 179,
3673 178, 214, 166, 170, 207, 199, 209, 206,
3674 204, 160, 212, 216, 215, 192, 175, 173,
3675 243, 172, 161, 190, 203, 189, 164, 230,
3676 167, 248, 227, 244, 242, 255, 241, 231,
3677 240, 253, 169, 210, 245, 237, 249, 247,
3678 239, 168, 252, 251, 254, 238, 223, 221,
3679 213, 225, 177, 197, 171, 196, 159, 4,
3680 5, 6, 8, 9, 10, 11, 12, 13,
3681 14, 15, 16, 17, 19, 20, 21, 22,
3682 23, 24, 25, 26, 27, 28, 30, 31,
3683 32, 33, 34, 35, 36, 37, 38, 39,
3684 41, 42, 43, 44, 45, 46, 47, 48,
3685 49, 50, 52, 53, 54, 55, 56, 57,
3686 58, 59, 60, 61, 63, 64, 65, 66,
3687 67, 68, 69, 70, 71, 72, 74, 75,
3688 76, 77, 78, 79, 80, 81, 82, 83,
3689 86, 87, 88, 89, 90, 91, 92, 93,
3690 94, 95, 97, 98, 99, 100, 101, 102,
3691 103, 104, 105, 106, 108, 109, 110, 111,
3692 112, 113, 114, 115, 116, 117, 119, 120,
3693 121, 122, 123, 124, 125, 126, 127, 128,
3694 130, 131, 132, 133, 134, 135, 136, 137,
3695 138, 139, 141, 142, 143, 144, 145, 146
3696};
9d116dd7 3697#endif
79072805 3698#else
22c35a8c 3699EXTCONST unsigned char PL_freq[];
79072805
LW		 3700#endif
3701
8990e307
LW		 3702#ifdef DEBUGGING
3703#ifdef DOINIT
27da23d5 3704EXTCONST char* const PL_block_type[] = {
8990e307
LW		 3705 "NULL",
3706 "SUB",
3707 "EVAL",
3708 "LOOP",
3709 "SUBST",
3710 "BLOCK",
3711};
3712#else
22c35a8c 3713EXTCONST char* PL_block_type[];
8990e307
LW		 3714#endif
3715#endif
3716
73c4f7a1
GS		 3717END_EXTERN_C
3718
79072805
LW		 3719/*****************************************************************************/
3720/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3721/*****************************************************************************/
8990e307 3722/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3723
d4c3c482 3724#ifdef __Lynx__
9cffb111
OS		 3725/* LynxOS defines these in scsi.h which is included via ioctl.h */
3726#ifdef FORMAT
3727#undef FORMAT
3728#endif
3729#ifdef SPACE
3730#undef SPACE
3731#endif
d4c3c482 3732#endif
9cffb111 3733
1fd33325
MHM		 3734/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3735 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3736 * it's not really needed.
3737 */
3738#if defined(WIN32)
3739# define YYTOKENTYPE
3740#endif
a0d0e21e
LW		 3741#include "perly.h"
3742
fb73857a 3743#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3744
79072805
LW		 3745typedef enum {
3746 XOPERATOR,
3747 XTERM,
79072805 3748 XREF,
8990e307 3749 XSTATE,
a0d0e21e 3750 XBLOCK,
09bef843
SB		 3751 XATTRBLOCK,
3752 XATTRTERM,
6f33ba73
RGS		 3753 XTERMBLOCK,
3754 XTERMORDORDOR /* evil hack */
27308ded 3755 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3756} expectation;
3757
dc9e4912
GS		 3758enum { /* pass one of these to get_vtbl */
3759 want_vtbl_sv,
3760 want_vtbl_env,
3761 want_vtbl_envelem,
3762 want_vtbl_sig,
3763 want_vtbl_sigelem,
3764 want_vtbl_pack,
3765 want_vtbl_packelem,
3766 want_vtbl_dbline,
3767 want_vtbl_isa,
3768 want_vtbl_isaelem,
3769 want_vtbl_arylen,
3770 want_vtbl_glob,
3771 want_vtbl_mglob,
3772 want_vtbl_nkeys,
3773 want_vtbl_taint,
3774 want_vtbl_substr,
3775 want_vtbl_vec,
3776 want_vtbl_pos,
3777 want_vtbl_bm,
3778 want_vtbl_fm,
3779 want_vtbl_uvar,
3780 want_vtbl_defelem,
3781 want_vtbl_regexp,
3782 want_vtbl_collxfrm,
3783 want_vtbl_amagic,
3784 want_vtbl_amagicelem,
dc9e4912 3785 want_vtbl_regdata,
810b8aa5 3786 want_vtbl_regdatum,
7e8c5dac 3787 want_vtbl_backref,
8d2f4536
NC		 3788 want_vtbl_utf8,
3789 want_vtbl_symtab
dc9e4912
GS		 3790};
3791
85e6fe83
LW		 3792 /* Note: the lowest 8 bits are reserved for
3793 stuffing into op->op_private */
f3aa04c2 3794#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3795#define HINT_INTEGER 0x00000001 /* integer pragma */
3796#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3797#define HINT_LOCALE 0x00000004 /* locale pragma */
3798#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3799/* #define HINT_notused10 0x00000010 */
a0ed51b3 3800 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3801 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3802
3803#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3804#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3805#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3806
9cfe5470 3807/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3808#define HINT_NEW_INTEGER 0x00001000
3809#define HINT_NEW_FLOAT 0x00002000
3810#define HINT_NEW_BINARY 0x00004000
3811#define HINT_NEW_STRING 0x00008000
3812#define HINT_NEW_RE 0x00010000
3813#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3814
9cfe5470
RGS		 3815#define HINT_RE_TAINT 0x00100000 /* re pragma */
3816#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3817
9cfe5470
RGS		 3818#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3819#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3820
8fa7688f 3821/* assertions pragma */
06492da6 3822#define HINT_ASSERTING 0x01000000
8fa7688f 3823#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3824
9cfe5470 3825/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3826#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3827#define HINT_SORT_QUICKSORT 0x00000001
3828#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3829#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3830
8bfdd7d9 3831/* Various states of the input record separator SV (rs) */
d4cce5f1 3832#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3833#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3834#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3835#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3836
128e8167 3837/* A struct for keeping various DEBUGGING related stuff,
ce333219 3838 * neatly packed. Currently only scratch variables for
128e8167
JH		 3839 * constructing debug output are included. Needed always,
3840 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3841struct perl_debug_pad {
3842 SV pad[3];
3843};
3844
3845#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 3846#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
3847 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
3848 PERL_DEBUG_PAD(i))
ce333219 3849
56953603 3850/* Enable variables which are pointers to functions */
a2efc822 3851typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3852typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3853typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3854 char* strend, char* strbeg, I32 minend,
3855 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3856typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3857 char *strpos, char *strend,
3858 U32 flags,
3859 struct re_scream_pos_data_s *d);
3860typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3861typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3862
c76ac1ee 3863typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3864typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3865typedef void (*SVFUNC_t) (pTHX_ SV*);
3866typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3867typedef void (*XSINIT_t) (pTHX);
3868typedef void (*ATEXIT_t) (pTHX_ void*);
3869typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3870
22239a37
NIS		 3871/* Set up PERLVAR macros for populating structs */
3872#define PERLVAR(var,type) type var;
51371543 3873#define PERLVARA(var,n,type) type var[n];
22239a37 3874#define PERLVARI(var,type,init) type var;
3fe35a81 3875#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 3876#define PERLVARISC(var,init) const char var[sizeof(init)];
3877
3878typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
3879typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 3880
58a50f62
GS		 3881/* Interpreter exitlist entry */
3882typedef struct exitlistentry {
acfe0abc 3883 void (*fn) (pTHX_ void*);
58a50f62
GS		 3884 void *ptr;
3885} PerlExitListEntry;
3886
aadb217d
JH		 3887/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
3888/* These have to be before perlvars.h */
3889#if !defined(HAS_SIGACTION) && defined(VMS)
3890# define FAKE_PERSISTENT_SIGNAL_HANDLERS
3891#endif
3892/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
3893#if defined(KILL_BY_SIGPRC)
3894# define FAKE_DEFAULT_SIGNAL_HANDLERS
3895#endif
3896
22239a37
NIS		 3897#ifdef PERL_GLOBAL_STRUCT
3898struct perl_vars {
7766f137 3899# include "perlvars.h"
22239a37
NIS		 3900};
3901
7766f137 3902# ifdef PERL_CORE
27da23d5 3903# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 3904EXT struct perl_vars PL_Vars;
3905EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 3906# undef PERL_GET_VARS
3907# define PERL_GET_VARS() PL_VarsPtr
3908# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 3909# else /* PERL_CORE */
3910# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3911EXT
7766f137 3912# endif /* WIN32 */
533c011a 3913struct perl_vars *PL_VarsPtr;
7766f137
GS		 3914# define PL_Vars (*((PL_VarsPtr) \
3915 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3916# endif /* PERL_CORE */
22239a37
NIS		 3917#endif /* PERL_GLOBAL_STRUCT */
3918
acfe0abc 3919#if defined(MULTIPLICITY)
d460ef45 3920/* If we have multiple interpreters define a struct
d4cce5f1 3921 holding variables which must be per-interpreter
d460ef45 3922 If we don't have threads anything that would have
d4cce5f1
NIS		 3923 be per-thread is per-interpreter.
3924*/
3925
79072805 3926struct interpreter {
3db8f154 3927# include "thrdvar.h"
7766f137
GS		 3928# include "intrpvar.h"
3929/*
3930 * The following is a buffer where new variables must
acfe0abc 3931 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3932 */
3933PERLVARA(object_compatibility,30, char)
49f531da 3934};
d4cce5f1 3935
79072805 3936#else
49f531da
NIS		 3937struct interpreter {
3938 char broiled;
3939};
acfe0abc 3940#endif /* MULTIPLICITY */
79072805 3941
22fae026 3942typedef void *Thread;
22239a37
NIS		 3943
3944/* Done with PERLVAR macros for now ... */
d4cce5f1 3945#undef PERLVAR
51371543 3946#undef PERLVARA
d4cce5f1 3947#undef PERLVARI
3fe35a81 3948#undef PERLVARIC
27da23d5 3949#undef PERLVARISC
79072805 3950
f7fe979e 3951struct tempsym; /* defined in pp_pack.c */
49704364 3952
22239a37 3953#include "thread.h"
79072805 3954#include "pp.h"
864dbfa3
GS		 3955
3956#ifndef PERL_CALLCONV
3957# define PERL_CALLCONV
d460ef45 3958#endif
0cb96387
GS		 3959#undef PERL_CKDEF
3960#undef PERL_PPDEF
0159f81b
JH		 3961#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
3962#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 3963
7766f137 3964#include "proto.h"
864dbfa3 3965
0cb96387 3966/* this has structure inits, so it cannot be included before here */
acfe0abc 3967#include "opcode.h"
864dbfa3 3968
d4cce5f1
NIS		 3969/* The following must follow proto.h as #defines mess up syntax */
3970
22c35a8c
GS		 3971#if !defined(PERL_FOR_X2P)
3972# include "embedvar.h"
3973#endif
d4cce5f1 3974
d460ef45 3975/* Now include all the 'global' variables
d4cce5f1 3976 * If we don't have threads or multiple interpreters
d460ef45 3977 * these include variables that would have been their struct-s
d4cce5f1 3978 */
d460ef45 3979
533c011a 3980#define PERLVAR(var,type) EXT type PL_##var;
51371543 3981#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3982#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3983#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 3984#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 3985
acfe0abc 3986#if !defined(MULTIPLICITY)
7766f137 3987START_EXTERN_C
066ef5b5 3988# include "intrpvar.h"
3db8f154 3989# include "thrdvar.h"
7766f137 3990END_EXTERN_C
22239a37
NIS		 3991#endif
3992
acfe0abc 3993#if defined(WIN32)
66a93824 3994/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3995# include "embed.h"
acfe0abc 3996#endif
22239a37 3997
c5be433b
GS		 3998#ifndef PERL_GLOBAL_STRUCT
3999START_EXTERN_C
4000
4001# include "perlvars.h"
4002
4003END_EXTERN_C
4004#endif
4005
d4cce5f1 4006#undef PERLVAR
51371543 4007#undef PERLVARA
d4cce5f1 4008#undef PERLVARI
0f3f18a6 4009#undef PERLVARIC
79072805 4010
73c4f7a1
GS		 4011START_EXTERN_C
4012
79072805 4013#ifdef DOINIT
27da23d5 4014# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {a,b,c,d,e,f,g}
4944113a 4015#else
27da23d5 4016# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
4944113a
AL		 4017#endif
4018
4019MGVTBL_SET(
4020 PL_vtbl_sv,
4021 MEMBER_TO_FPTR(Perl_magic_get),
4022 MEMBER_TO_FPTR(Perl_magic_set),
4023 MEMBER_TO_FPTR(Perl_magic_len),
4024 NULL,
4025 NULL,
4026 NULL,
4027 NULL
4028);
4029
4030MGVTBL_SET(
4031 PL_vtbl_env,
4032 NULL,
4033 MEMBER_TO_FPTR(Perl_magic_set_all_env),
4034 NULL,
4035 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4036 NULL,
4037 NULL,
4038 NULL
4039);
4040
4041MGVTBL_SET(
4042 PL_vtbl_envelem,
4043 NULL,
4044 MEMBER_TO_FPTR(Perl_magic_setenv),
4045 NULL,
4046 MEMBER_TO_FPTR(Perl_magic_clearenv),
4047 NULL,
4048 NULL,
4049 NULL
4050);
4051
4052MGVTBL_SET(
4053 PL_vtbl_sig,
4054 NULL,
4055 NULL,
4056 NULL,
4057 NULL,
4058 NULL,
4059 NULL,
4060 NULL
4061);
4062
9ba75e3c 4063#ifdef PERL_MICRO
4944113a
AL		 4064MGVTBL_SET(
4065 PL_vtbl_sigelem,
4944113a 4066 NULL, NULL, NULL, NULL, NULL, NULL, NULL
9ba75e3c
DD		 4067);
4068
64ca3a65 4069#else
9ba75e3c
DD		 4070MGVTBL_SET(
4071 PL_vtbl_sigelem,
4944113a
AL		 4072 MEMBER_TO_FPTR(Perl_magic_getsig),
4073 MEMBER_TO_FPTR(Perl_magic_setsig),
4074 NULL,
4075 MEMBER_TO_FPTR(Perl_magic_clearsig),
4076 NULL,
4077 NULL,
4078 NULL
4944113a 4079);
9ba75e3c 4080#endif
4944113a
AL		 4081
4082MGVTBL_SET(
4083 PL_vtbl_pack,
4084 NULL,
4085 NULL,
4086 MEMBER_TO_FPTR(Perl_magic_sizepack),
4087 MEMBER_TO_FPTR(Perl_magic_wipepack),
4088 NULL,
4089 NULL,
4090 NULL
4091);
4092
4093MGVTBL_SET(
4094 PL_vtbl_packelem,
4095 MEMBER_TO_FPTR(Perl_magic_getpack),
4096 MEMBER_TO_FPTR(Perl_magic_setpack),
4097 NULL,
4098 MEMBER_TO_FPTR(Perl_magic_clearpack),
4099 NULL,
4100 NULL,
4101 NULL
4102);
4103
4104MGVTBL_SET(
4105 PL_vtbl_dbline,
4106 NULL,
4107 MEMBER_TO_FPTR(Perl_magic_setdbline),
4108 NULL,
4109 NULL,
4110 NULL,
4111 NULL,
4112 NULL
4113);
4114
4115MGVTBL_SET(
4116 PL_vtbl_isa,
4117 NULL,
4118 MEMBER_TO_FPTR(Perl_magic_setisa),
4119 NULL,
4120 MEMBER_TO_FPTR(Perl_magic_setisa),
4121 NULL,
4122 NULL,
4123 NULL
4124);
4125
4126MGVTBL_SET(
4127 PL_vtbl_isaelem,
4128 NULL,
4129 MEMBER_TO_FPTR(Perl_magic_setisa),
4130 NULL,
4131 NULL,
4132 NULL,
4133 NULL,
4134 NULL
4135);
4136
4137MGVTBL_SET(
4138 PL_vtbl_arylen,
4139 MEMBER_TO_FPTR(Perl_magic_getarylen),
4140 MEMBER_TO_FPTR(Perl_magic_setarylen),
4141 NULL,
4142 NULL,
4143 NULL,
4144 NULL,
4145 NULL
4146);
4147
4148MGVTBL_SET(
4149 PL_vtbl_glob,
4150 MEMBER_TO_FPTR(Perl_magic_getglob),
4151 MEMBER_TO_FPTR(Perl_magic_setglob),
4152 NULL,
4153 NULL,
4154 NULL,
4155 NULL,
4156 NULL
4157);
4158
4159MGVTBL_SET(
4160 PL_vtbl_mglob,
4161 NULL,
4162 MEMBER_TO_FPTR(Perl_magic_setmglob),
4163 NULL,
4164 NULL,
4165 NULL,
4166 NULL,
4167 NULL
4168);
4169
4170MGVTBL_SET(
4171 PL_vtbl_nkeys,
4172 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4173 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4174 NULL,
4175 NULL,
4176 NULL,
4177 NULL,
4178 NULL
4179);
4180
4181MGVTBL_SET(
4182 PL_vtbl_taint,
4183 MEMBER_TO_FPTR(Perl_magic_gettaint),
4184 MEMBER_TO_FPTR(Perl_magic_settaint),
4185 NULL,
4186 NULL,
4187 NULL,
4188 NULL,
4189 NULL
4190);
4191
4192MGVTBL_SET(
4193 PL_vtbl_substr,
4194 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4195 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4196 NULL,
4197 NULL,
4198 NULL,
4199 NULL,
4200 NULL
4201);
4202
4203MGVTBL_SET(
4204 PL_vtbl_vec,
4205 MEMBER_TO_FPTR(Perl_magic_getvec),
4206 MEMBER_TO_FPTR(Perl_magic_setvec),
4207 NULL,
4208 NULL,
4209 NULL,
4210 NULL,
4211 NULL
4212);
4213
4214MGVTBL_SET(
4215 PL_vtbl_pos,
4216 MEMBER_TO_FPTR(Perl_magic_getpos),
4217 MEMBER_TO_FPTR(Perl_magic_setpos),
4218 NULL,
4219 NULL,
4220 NULL,
4221 NULL,
4222 NULL
4223);
4224
4225MGVTBL_SET(
4226 PL_vtbl_bm,
4227 NULL,
4228 MEMBER_TO_FPTR(Perl_magic_setbm),
4229 NULL,
4230 NULL,
4231 NULL,
4232 NULL,
4233 NULL
4234);
4235
4236MGVTBL_SET(
4237 PL_vtbl_fm,
4238 NULL,
4239 MEMBER_TO_FPTR(Perl_magic_setfm),
4240 NULL,
4241 NULL,
4242 NULL,
4243 NULL,
4244 NULL
4245);
4246
4247MGVTBL_SET(
4248 PL_vtbl_uvar,
4249 MEMBER_TO_FPTR(Perl_magic_getuvar),
4250 MEMBER_TO_FPTR(Perl_magic_setuvar),
4251 NULL,
4252 NULL,
4253 NULL,
4254 NULL,
4255 NULL
4256);
4257
4258MGVTBL_SET(
4259 PL_vtbl_defelem,
4260 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4261 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4262 NULL,
4263 NULL,
4264 NULL,
4265 NULL,
4266 NULL
4267);
4268
4269MGVTBL_SET(
4270 PL_vtbl_regexp,
4271 NULL,
4272 MEMBER_TO_FPTR(Perl_magic_setregexp),
4273 NULL,
4274 NULL,
4275 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4276 NULL,
4277 NULL
4278);
4279
4280MGVTBL_SET(
4281 PL_vtbl_regdata,
4282 NULL,
4283 NULL,
4284 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4285 NULL,
4286 NULL,
4287 NULL,
4288 NULL
4289);
4290
4291MGVTBL_SET(
4292 PL_vtbl_regdatum,
4293 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4294 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4295 NULL,
4296 NULL,
4297 NULL,
4298 NULL,
4299 NULL
4300);
4301
4302MGVTBL_SET(
4303 PL_vtbl_amagic,
4304 NULL,
4305 MEMBER_TO_FPTR(Perl_magic_setamagic),
4306 NULL,
4307 NULL,
4308 MEMBER_TO_FPTR(Perl_magic_setamagic),
4309 NULL,
4310 NULL
4311);
4312
4313MGVTBL_SET(
4314 PL_vtbl_amagicelem,
4315 NULL,
4316 MEMBER_TO_FPTR(Perl_magic_setamagic),
4317 NULL,
4318 NULL,
4319 MEMBER_TO_FPTR(Perl_magic_setamagic),
4320 NULL,
4321 NULL
4322);
4323
4324MGVTBL_SET(
4325 PL_vtbl_backref,
4326 NULL,
4327 NULL,
4328 NULL,
4329 NULL,
4330 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4331 NULL,
4332 NULL
4333);
4334
4335MGVTBL_SET(
4336 PL_vtbl_ovrld,
4337 NULL,
4338 NULL,
4339 NULL,
4340 NULL,
4341 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4342 NULL,
4343 NULL
4344);
4345
4346MGVTBL_SET(
4347 PL_vtbl_utf8,
4348 NULL,
4349 MEMBER_TO_FPTR(Perl_magic_setutf8),
4350 NULL,
4351 NULL,
4352 NULL,
4353 NULL,
4354 NULL
4355);
36477c24 4356#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4357MGVTBL_SET(
4358 PL_vtbl_collxfrm,
4359 NULL,
4360 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4361 NULL,
4362 NULL,
4363 NULL,
4364 NULL,
4365 NULL
4366);
bbce6d69 4367#endif
a0d0e21e 4368
85e6fe83 4369
f5284f61
IZ		 4370enum {
4371 fallback_amg, abs_amg,
4372 bool__amg, nomethod_amg,
4373 string_amg, numer_amg,
4374 add_amg, add_ass_amg,
4375 subtr_amg, subtr_ass_amg,
4376 mult_amg, mult_ass_amg,
4377 div_amg, div_ass_amg,
4378 modulo_amg, modulo_ass_amg,
4379 pow_amg, pow_ass_amg,
4380 lshift_amg, lshift_ass_amg,
4381 rshift_amg, rshift_ass_amg,
4382 band_amg, band_ass_amg,
4383 bor_amg, bor_ass_amg,
4384 bxor_amg, bxor_ass_amg,
4385 lt_amg, le_amg,
4386 gt_amg, ge_amg,
4387 eq_amg, ne_amg,
4388 ncmp_amg, scmp_amg,
4389 slt_amg, sle_amg,
4390 sgt_amg, sge_amg,
4391 seq_amg, sne_amg,
4392 not_amg, compl_amg,
4393 inc_amg, dec_amg,
4394 atan2_amg, cos_amg,
4395 sin_amg, exp_amg,
4396 log_amg, sqrt_amg,
4397 repeat_amg, repeat_ass_amg,
4398 concat_amg, concat_ass_amg,
4399 copy_amg, neg_amg,
4400 to_sv_amg, to_av_amg,
4401 to_hv_amg, to_gv_amg,
d460ef45 4402 to_cv_amg, iter_amg,
f216259d
IZ		 4403 int_amg, DESTROY_amg,
4404 max_amg_code
64a0062a 4405 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 4406};
4407
4408#define NofAMmeth max_amg_code
e1ec3a88 4409#define AMG_id2name(id) (PL_AMG_names[id]+1)
f5284f61 4410
a0d0e21e 4411#ifdef DOINIT
27da23d5 4412EXTCONST char * const PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 4413 /* Names kept in the symbol table. fallback => "()", the rest has
4414 "(" prepended. The only other place in perl which knows about
4415 this convention is AMG_id2name (used for debugging output and
4416 'nomethod' only), the only other place which has it hardwired is
4417 overload.pm. */
4418 "()", "(abs", /* "fallback" should be the first. */
4419 "(bool", "(nomethod",
4420 "(\"\"", "(0+",
4421 "(+", "(+=",
4422 "(-", "(-=",
4423 "(*", "(*=",
4424 "(/", "(/=",
4425 "(%", "(%=",
4426 "(**", "(**=",
4427 "(<<", "(<<=",
4428 "(>>", "(>>=",
4429 "(&", "(&=",
4430 "(|", "(|=",
4431 "(^", "(^=",
4432 "(<", "(<=",
4433 "(>", "(>=",
4434 "(==", "(!=",
4435 "(<=>", "(cmp",
4436 "(lt", "(le",
4437 "(gt", "(ge",
4438 "(eq", "(ne",
4439 "(!", "(~",
4440 "(++", "(--",
4441 "(atan2", "(cos",
4442 "(sin", "(exp",
4443 "(log", "(sqrt",
4444 "(x", "(x=",
4445 "(.", "(.=",
4446 "(=", "(neg",
4447 "(${}", "(@{}",
4448 "(%{}", "(*{}",
4449 "(&{}", "(<>",
f216259d 4450 "(int", "DESTROY",
a0d0e21e
LW		 4451};
4452#else
22c35a8c 4453EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4454#endif /* def INITAMAGIC */
4455
73c4f7a1
GS		 4456END_EXTERN_C
4457
a6006777 4458struct am_table {
eb160463 4459 U32 was_ok_sub;
a0d0e21e 4460 long was_ok_am;
a6006777 4461 U32 flags;
4462 CV* table[NofAMmeth];
a0d0e21e
LW		 4463 long fallback;
4464};
a6006777 4465struct am_table_short {
eb160463 4466 U32 was_ok_sub;
a6006777 4467 long was_ok_am;
4468 U32 flags;
4469};
a0d0e21e 4470typedef struct am_table AMT;
a6006777 4471typedef struct am_table_short AMTS;
a0d0e21e
LW		 4472
4473#define AMGfallNEVER 1
4474#define AMGfallNO 2
4475#define AMGfallYES 3
4476
a6006777 4477#define AMTf_AMAGIC 1
32251b26 4478#define AMTf_OVERLOADED 2
a6006777 4479#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4480#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4481#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4482#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4483#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4484#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4485
32251b26 4486#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4487
4488/*
4489 * some compilers like to redefine cos et alia as faster
4490 * (and less accurate?) versions called F_cos et cetera (Quidquid
4491 * latine dictum sit, altum viditur.) This trick collides with
4492 * the Perl overloading (amg). The following #defines fool both.
4493 */
4494
4495#ifdef _FASTMATH
4496# ifdef atan2
4497# define F_atan2_amg atan2_amg
4498# endif
4499# ifdef cos
4500# define F_cos_amg cos_amg
4501# endif
4502# ifdef exp
4503# define F_exp_amg exp_amg
4504# endif
4505# ifdef log
4506# define F_log_amg log_amg
4507# endif
4508# ifdef pow
4509# define F_pow_amg pow_amg
4510# endif
4511# ifdef sin
4512# define F_sin_amg sin_amg
4513# endif
4514# ifdef sqrt
4515# define F_sqrt_amg sqrt_amg
4516# endif
4517#endif /* _FASTMATH */
4518
83ee9e09
GS		 4519#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4520 PERLDBf_NOOPT | PERLDBf_INTER | \
4521 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 4522 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
4523 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 4524#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4525#define PERLDBf_LINE 0x02 /* Keep line # */
4526#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4527#define PERLDBf_INTER 0x08 /* Preserve more data for
4528 later inspections */
4529#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4530#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4531#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4532#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4533#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4534#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 4535#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 4536
3280af22
NIS		 4537#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4538#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4539#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4540#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4541#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4542#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4543#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4544#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 4545#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4546#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 4547#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 4548
36477c24 4549#ifdef USE_LOCALE_NUMERIC
bbce6d69 4550
36477c24 4551#define SET_NUMERIC_STANDARD() \
ff4fed7c 4552 set_numeric_standard();
36477c24 4553
4554#define SET_NUMERIC_LOCAL() \
ff4fed7c 4555 set_numeric_local();
bbce6d69 4556
2de3dbcc
JH		 4557#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
4558#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4559
4560#define IN_LOCALE \
923e4eb5 4561 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 4562
f93f4e46 4563#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 4564 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 4565 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 4566
4567#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 4568 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 4569 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 4570
4571#define RESTORE_NUMERIC_LOCAL() \
4572 if (was_local) SET_NUMERIC_LOCAL();
4573
4574#define RESTORE_NUMERIC_STANDARD() \
4575 if (was_standard) SET_NUMERIC_STANDARD();
4576
5b877257 4577#define Atof my_atof
097ee67d 4578
36477c24 4579#else /* !USE_LOCALE_NUMERIC */
bbce6d69 4580
097ee67d
JH		 4581#define SET_NUMERIC_STANDARD() /**/
4582#define SET_NUMERIC_LOCAL() /**/
5e931b6b 4583#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 4584#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4585#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 4586#define RESTORE_NUMERIC_LOCAL() /**/
4587#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 4588#define Atof my_atof
ad3e0f90 4589#define IN_LOCALE_RUNTIME 0
bbce6d69 4590
36477c24 4591#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 4592
079290de 4593#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4594# ifdef __hpux
4595# define strtoll __strtoll /* secret handshake */
4596# endif
c623ac67
GS		 4597# ifdef WIN64
4598# define strtoll _strtoi64 /* secret handshake */
4599# endif
079290de
GS		 4600# if !defined(Strtol) && defined(HAS_STRTOLL)
4601# define Strtol strtoll
ad551343 4602# endif
28e5dec8
JH		 4603# if !defined(Strtol) && defined(HAS_STRTOQ)
4604# define Strtol strtoq
4605# endif
ff935051 4606/* is there atoq() anywhere? */
15b99d39 4607#endif
079290de
GS		 4608#if !defined(Strtol) && defined(HAS_STRTOL)
4609# define Strtol strtol
4610#endif
4611#ifndef Atol
4612/* It would be more fashionable to use Strtol() to define atol()
4613 * (as is done for Atoul(), see below) but for backward compatibility
4614 * we just assume atol(). */
76b882ba 4615# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 4616# ifdef WIN64
4617# define atoll _atoi64 /* secret handshake */
4618# endif
76b882ba
JH		 4619# define Atol atoll
4620# else
4621# define Atol atol
4622# endif
cf2093f6
JH		 4623#endif
4624
55eb892c 4625#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4626# ifdef __hpux
4627# define strtoull __strtoull /* secret handshake */
4628# endif
c623ac67
GS		 4629# ifdef WIN64
4630# define strtoull _strtoui64 /* secret handshake */
4631# endif
ad551343 4632# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 4633# define Strtoul strtoull
15b99d39 4634# endif
079290de
GS		 4635# if !defined(Strtoul) && defined(HAS_STRTOUQ)
4636# define Strtoul strtouq
4637# endif
76d49b1c 4638/* is there atouq() anywhere? */
ad551343 4639#endif
079290de
GS		 4640#if !defined(Strtoul) && defined(HAS_STRTOUL)
4641# define Strtoul strtoul
cf2093f6 4642#endif
a5523c5b
JH		 4643#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
4644# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
4645#endif
079290de
GS		 4646#ifndef Atoul
4647# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 4648#endif
cf2093f6 4649
760ac839 4650
06d86050
GS		 4651/* if these never got defined, they need defaults */
4652#ifndef PERL_SET_CONTEXT
4653# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
4654#endif
4655
4656#ifndef PERL_GET_CONTEXT
4657# define PERL_GET_CONTEXT PERL_GET_INTERP
4658#endif
4659
4660#ifndef PERL_GET_THX
4661# define PERL_GET_THX ((void*)NULL)
4662#endif
4663
4664#ifndef PERL_SET_THX
4665# define PERL_SET_THX(t) NOOP
4666#endif
4667
a868473f
NIS		 4668#ifndef PERL_SCRIPT_MODE
4669#define PERL_SCRIPT_MODE "r"
4670#endif
4671
fba3b22e 4672/*
da927450
JH		 4673 * Some operating systems are stingy with stack allocation,
4674 * so perl may have to guard against stack overflow.
4675 */
4676#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 4677#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 4678#endif
4679
4680/*
4681 * Some nonpreemptive operating systems find it convenient to
4682 * check for asynchronous conditions after each op execution.
4683 * Keep this check simple, or it may slow down execution
4684 * massively.
4685 */
ce08f86c 4686
1d615522 4687#ifndef PERL_MICRO
4ffa73a3
JH		 4688# ifndef PERL_ASYNC_CHECK
4689# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4690# endif
ce08f86c
NIS		 4691#endif
4692
da927450 4693#ifndef PERL_ASYNC_CHECK
1d615522 4694# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 4695#endif
4696
4697/*
4698 * On some operating systems, a memory allocation may succeed,
4699 * but put the process too close to the system's comfort limit.
4700 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4701 * it to NULL.
4702 */
4703#ifndef PERL_ALLOC_CHECK
c2af87cb 4704#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 4705#endif
4706
4707/*
fba3b22e
MB		 4708 * nice_chunk and nice_chunk size need to be set
4709 * and queried under the protection of sv_mutex
4710 */
30ad99e7
MJD		 4711#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4712 void *new_chunk; \
4713 U32 new_chunk_size; \
4714 LOCK_SV_MUTEX; \
4715 new_chunk = (void *)(chunk); \
4716 new_chunk_size = (chunk_size); \
4717 if (new_chunk_size > PL_nice_chunk_size) { \
4718 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
07409e01 4719 PL_nice_chunk = (char *) new_chunk; \
30ad99e7
MJD		 4720 PL_nice_chunk_size = new_chunk_size; \
4721 } else { \
4722 Safefree(chunk); \
4723 } \
4724 UNLOCK_SV_MUTEX; \
4725 } STMT_END
fba3b22e 4726
bd89102f
AD		 4727#ifdef HAS_SEM
4728# include <sys/ipc.h>
4729# include <sys/sem.h>
4730# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4731 union semun {
dbba660d
TC		 4732 int val;
4733 struct semid_ds *buf;
4734 unsigned short *array;
bd89102f
AD		 4735 };
4736# endif
4737# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4738# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4739 union gccbug_semun {
4740 int val;
4741 struct semid_ds *buf;
4742 unsigned short *array;
4743 char __dummy[5];
4744 };
4745# define semun gccbug_semun
4746# endif
bd89102f
AD		 4747# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4748# else
4749# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4750# ifdef EXTRA_F_IN_SEMUN_BUF
4751# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4752# else
4753# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4754# endif
bd89102f
AD		 4755# endif
4756# endif
bd89102f 4757#endif
49f531da 4758
89ca4ac7
JH		 4759/*
4760 * Boilerplate macros for initializing and accessing interpreter-local
4761 * data from C. All statics in extensions should be reworked to use
4762 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4763 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4764 *
4765 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4766 * 1. #define MY_CXT_KEY to a unique string, e.g.
4767 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4768 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4769 * all the data that needs to be interpreter-local.
4770 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4771 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4772 * (typically put in the BOOT: section).
4773 * 5. Use the members of the my_cxt_t structure everywhere as
4774 * MY_CXT.member.
4775 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4776 * access MY_CXT.
4777 */
4778
fc958cd2 4779#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4780
4781/* This must appear in all extensions that define a my_cxt_t structure,
4782 * right after the definition (i.e. at file scope). The non-threads
4783 * case below uses it to declare the data as static. */
4784#define START_MY_CXT
4785
4786/* Fetches the SV that keeps the per-interpreter data. */
4787#define dMY_CXT_SV \
4788 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4789 sizeof(MY_CXT_KEY)-1, TRUE)
4790
4791/* This declaration should be used within all functions that use the
4792 * interpreter-local data. */
4793#define dMY_CXT \
4794 dMY_CXT_SV; \
ec0e15e0 4795 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4796
4797/* Creates and zeroes the per-interpreter data.
4798 * (We allocate my_cxtp in a Perl SV so that it will be released when
4799 * the interpreter goes away.) */
4800#define MY_CXT_INIT \
4801 dMY_CXT_SV; \
4802 /* newSV() allocates one more than needed */ \
4803 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4804 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4805 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7 4806
8fba5d14
MHM		 4807/* Clones the per-interpreter data. */
4808#define MY_CXT_CLONE \
4809 dMY_CXT_SV; \
4810 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4811 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\
4812 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
4813
89ca4ac7
JH		 4814/* This macro must be used to access members of the my_cxt_t structure.
4815 * e.g. MYCXT.some_data */
4816#define MY_CXT (*my_cxtp)
4817
4818/* Judicious use of these macros can reduce the number of times dMY_CXT
4819 * is used. Use is similar to pTHX, aTHX etc. */
4820#define pMY_CXT my_cxt_t *my_cxtp
4821#define pMY_CXT_ pMY_CXT,
4822#define _pMY_CXT ,pMY_CXT
4823#define aMY_CXT my_cxtp
4824#define aMY_CXT_ aMY_CXT,
4825#define _aMY_CXT ,aMY_CXT
4826
4827#else /* USE_ITHREADS */
4828
4829#define START_MY_CXT static my_cxt_t my_cxt;
4830#define dMY_CXT_SV dNOOP
4831#define dMY_CXT dNOOP
4832#define MY_CXT_INIT NOOP
8fba5d14 4833#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 4834#define MY_CXT my_cxt
4835
4836#define pMY_CXT void
4837#define pMY_CXT_
4838#define _pMY_CXT
4839#define aMY_CXT
4840#define aMY_CXT_
4841#define _aMY_CXT
4842
4843#endif /* !defined(USE_ITHREADS) */
4844
9a34ef1d
GS		 4845#ifdef I_FCNTL
4846# include <fcntl.h>
9a34ef1d
GS		 4847#endif
4848
9cffb111
OS		 4849#ifdef __Lynx__
4850# include <fcntl.h>
4851#endif
4852
9a34ef1d
GS		 4853#ifdef I_SYS_FILE
4854# include <sys/file.h>
4855#endif
4856
fa0a29af 4857#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4858int flock(int fd, int op);
4859#endif
4860
fe52b3b7
GS		 4861#ifndef O_RDONLY
4862/* Assume UNIX defaults */
4863# define O_RDONLY 0000
4864# define O_WRONLY 0001
4865# define O_RDWR 0002
4866# define O_CREAT 0100
4867#endif
9a34ef1d 4868
16fe6d59
GS		 4869#ifndef O_BINARY
4870# define O_BINARY 0
4871#endif
4872
4873#ifndef O_TEXT
4874# define O_TEXT 0
4875#endif
4876
6ce75a77
JH		 4877#if O_TEXT != O_BINARY
4878 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4879 * that is, you are somehow DOSish. */
538204d5 4880# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4881 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4882 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4883 /* VOS has O_TEXT != O_BINARY, and they have effect,
4884 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4885 /* If you have O_TEXT different from your O_BINARY but you still are
4886 * not a CRLF shop. */
35990314 4887# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4888# else
4889 /* If you really are DOSish. */
4890# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4891# endif
4892#endif
4893
104d25b7
JH		 4894#ifdef IAMSUID
4895
4896#ifdef I_SYS_STATVFS
9f982a77
IG		 4897# if defined(PERL_SCO) && !defined(_SVID3)
4898# define _SVID3
4899# endif
32b3cf08
JH		 4900# include <sys/statvfs.h> /* for f?statvfs() */
4901#endif
4902#ifdef I_SYS_MOUNT
4903# include <sys/mount.h> /* for *BSD f?statfs() */
4904#endif
4905#ifdef I_MNTENT
4906# include <mntent.h> /* for getmntent() */
104d25b7 4907#endif
0545a864
JH		 4908#ifdef I_SYS_STATFS
4909# include <sys/statfs.h> /* for some statfs() */
4910#endif
4911#ifdef I_SYS_VFS
8d9e1a19
GS		 4912# ifdef __sgi
4913# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4914# endif
4915# include <sys/vfs.h> /* for some statfs() */
4916# ifdef __sgi
4917# undef IRIX_sv
4918# endif
0545a864
JH		 4919#endif
4920#ifdef I_USTAT
4921# include <ustat.h> /* for ustat() */
4922#endif
4923
4924#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4925# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4926#endif
4927#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4928# define PERL_MOUNT_NOSUID MNT_NOSUID
4929#endif
4930#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4931# define PERL_MOUNT_NOSUID MS_NOSUID
4932#endif
4933#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4934# define PERL_MOUNT_NOSUID M_NOSUID
4935#endif
104d25b7 4936
ae3f3efd
PS		 4937#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
4938# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
4939#endif
4940#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
4941# define PERL_MOUNT_NOEXEC MNT_NOEXEC
4942#endif
4943#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
4944# define PERL_MOUNT_NOEXEC MS_NOEXEC
4945#endif
4946#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
4947# define PERL_MOUNT_NOEXEC M_NOEXEC
4948#endif
4949
104d25b7
JH		 4950#endif /* IAMSUID */
4951
4bc88a62
PS		 4952#ifdef I_LIBUTIL
4953# include <libutil.h> /* setproctitle() in some FreeBSDs */
4954#endif
4955
b4748376
NIS		 4956#ifndef EXEC_ARGV_CAST
4957#define EXEC_ARGV_CAST(x) x
4958#endif
4959
dd5dc04f
JH		 4960#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4961 int). value returned in pointed-
4962 to UV */
4963#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4964#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4965#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4966#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4967#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4968
4969#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4970
53305cf1
NC		 4971/* Input flags: */
4972#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4973#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4974#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4975/* Output flags: */
4976#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4977
2c4f7f0e
DM		 4978/* to let user control profiling */
4979#ifdef PERL_GPROF_CONTROL
4980extern void moncontrol(int);
4981#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4982#else
4983#define PERL_GPROF_MONCONTROL(x)
4984#endif
4985
ae0e3d3b
JH		 4986#ifdef UNDER_CE
4987#include "wince.h"
4988#endif
4989
4990/* ISO 6429 NEL - C1 control NExt Line */
4991/* See http://www.unicode.org/unicode/reports/tr13/ */
4992#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4993# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4994# define NEXT_LINE_CHAR 0x15
4995# else /* CDRA */
4996# define NEXT_LINE_CHAR 0x25
4997# endif
4998#else
4999# define NEXT_LINE_CHAR 0x85
5000#endif
5001
5002/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5003#define UNICODE_LINE_SEPA_0 0xE2
5004#define UNICODE_LINE_SEPA_1 0x80
5005#define UNICODE_LINE_SEPA_2 0xA8
5006#define UNICODE_PARA_SEPA_0 0xE2
5007#define UNICODE_PARA_SEPA_1 0x80
5008#define UNICODE_PARA_SEPA_2 0xA9
5009
479b2847
GS		 5010#ifndef PIPESOCK_MODE
5011# define PIPESOCK_MODE
5012#endif
5013
460c8493
IZ		 5014#ifndef SOCKET_OPEN_MODE
5015# define SOCKET_OPEN_MODE PIPESOCK_MODE
5016#endif
5017
5018#ifndef PIPE_OPEN_MODE
5019# define PIPE_OPEN_MODE PIPESOCK_MODE
5020#endif
5021
7e8c5dac
HS		 5022#define PERL_MAGIC_UTF8_CACHESIZE 2
5023
a05d7ebb
JH		 5024#define PERL_UNICODE_STDIN_FLAG 0x0001
5025#define PERL_UNICODE_STDOUT_FLAG 0x0002
5026#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5027#define PERL_UNICODE_IN_FLAG 0x0008
5028#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5029#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5030#define PERL_UNICODE_LOCALE_FLAG 0x0040
5031#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5032
06e66572
JH		 5033#define PERL_UNICODE_STD_FLAG \
5034 (PERL_UNICODE_STDIN_FLAG | \
5035 PERL_UNICODE_STDOUT_FLAG | \
5036 PERL_UNICODE_STDERR_FLAG)
5037
5038#define PERL_UNICODE_INOUT_FLAG \
5039 (PERL_UNICODE_IN_FLAG | \
5040 PERL_UNICODE_OUT_FLAG)
5041
5042#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5043 (PERL_UNICODE_STD_FLAG | \
5044 PERL_UNICODE_INOUT_FLAG | \
5045 PERL_UNICODE_LOCALE_FLAG)
5046
5047#define PERL_UNICODE_ALL_FLAGS 0x00ff
5048
5049#define PERL_UNICODE_STDIN 'I'
5050#define PERL_UNICODE_STDOUT 'O'
5051#define PERL_UNICODE_STDERR 'E'
5052#define PERL_UNICODE_STD 'S'
5053#define PERL_UNICODE_IN 'i'
5054#define PERL_UNICODE_OUT 'o'
5055#define PERL_UNICODE_INOUT 'D'
5056#define PERL_UNICODE_ARGV 'A'
5057#define PERL_UNICODE_LOCALE 'L'
5058#define PERL_UNICODE_WIDESYSCALLS 'W'
5059
4ffa73a3
JH		 5060#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5061
16bd9a85
JH		 5062/* From sigaction(2) (FreeBSD man page):
5063 * | Signal routines normally execute with the signal that
5064 * | caused their invocation blocked, but other signals may
5065 * | yet occur.
5066 * Emulation of this behavior (from within Perl) is enabled
5067 * by defining PERL_BLOCK_SIGNALS.
5068 */
5069#define PERL_BLOCK_SIGNALS
5070
5071#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5072# define PERL_BLOCKSIG_ADD(set,sig) \
5073 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5074# define PERL_BLOCKSIG_BLOCK(set) \
5075 sigprocmask(SIG_BLOCK, &(set), NULL)
5076# define PERL_BLOCKSIG_UNBLOCK(set) \
5077 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5078#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5079
5080/* How about the old style of sigblock()? */
5081
5082#ifndef PERL_BLOCKSIG_ADD
5083# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5084#endif
5085#ifndef PERL_BLOCKSIG_BLOCK
5086# define PERL_BLOCKSIG_BLOCK(set) NOOP
5087#endif
2bfba5f0 5088#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5089# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5090#endif
5091
32fdb065 5092/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5093 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5094#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5095
24801a4b
JH		 5096#ifdef __osf__
5097#pragma message disable (mainparm) /* We have the envp in main(). */
5098#endif
5099
4d8076ea 5100/* and finally... */
cceca5ed 5101#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5102#include "patchlevel.h"
cceca5ed 5103#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5104
43999f95 5105/* Mention
d460ef45 5106
43999f95 5107 NV_PRESERVES_UV
fe749a9f 5108
fe749a9f
JH		 5109 HAS_MKSTEMP
5110 HAS_MKSTEMPS
5111 HAS_MKDTEMP
5112
49dabb45
JH		 5113 HAS_GETCWD
5114
d59b5429 5115 HAS_MMAP
fe749a9f
JH		 5116 HAS_MPROTECT
5117 HAS_MSYNC
1e8c3fde 5118 HAS_MADVISE
fe749a9f
JH		 5119 HAS_MUNMAP
5120 I_SYSMMAN
5121 Mmap_t
5122
6b4667fc
A		 5123 NVef
5124 NVff
5125 NVgf
5126
4e0554ec 5127 HAS_UALARM
2d736872 5128 HAS_USLEEP
4e0554ec
JH		 5129
5130 HAS_SETITIMER
5131 HAS_GETITIMER
5132
5133 HAS_SENDMSG
5134 HAS_RECVMSG
5135 HAS_READV
5136 HAS_WRITEV
5137 I_SYSUIO
5138 HAS_STRUCT_MSGHDR
5139 HAS_STRUCT_CMSGHDR
5140
2765b840 5141 HAS_NL_LANGINFO
0a7020c9 5142
ae0e3d3b 5143 HAS_DIRFD
2765b840 5144
43999f95
JH		 5145 so that Configure picks them up. */
5146
85e6fe83 5147#endif /* Include guard */
ae0e3d3b 5148
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