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I think SvCUR() was intended rather than SvLEN()
[perl5.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH		 79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
27da23d5
JH		 85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
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;
2104typedef struct xpv XPV;
2105typedef struct xpviv XPVIV;
ff68c719 2106typedef struct xpvuv XPVUV;
79072805
LW		 2107typedef struct xpvnv XPVNV;
2108typedef struct xpvmg XPVMG;
2109typedef struct xpvlv XPVLV;
2110typedef struct xpvav XPVAV;
2111typedef struct xpvhv XPVHV;
2112typedef struct xpvgv XPVGV;
2113typedef struct xpvcv XPVCV;
2114typedef struct xpvbm XPVBM;
2115typedef struct xpvfm XPVFM;
8990e307 2116typedef struct xpvio XPVIO;
79072805
LW		 2117typedef struct mgvtbl MGVTBL;
2118typedef union any ANY;
5f7fde29
GS		 2119typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2120typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2121typedef struct clone_params CLONE_PARAMS;
2122
378cc40b 2123#include "handy.h"
a0d0e21e 2124
6b8eaf93 2125#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2126# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2127# define USE_64_BIT_RAWIO /* implicit */
2128# endif
4564133c
JH		 2129#endif
2130
6b8eaf93
JH		 2131/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2132 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2133 * however, because operating systems like to do that themself. */
2134#ifndef FSEEKSIZE
2135# ifdef HAS_FSEEKO
2136# define FSEEKSIZE LSEEKSIZE
2137# else
2138# define FSEEKSIZE LONGSIZE
d460ef45 2139# endif
6b8eaf93
JH		 2140#endif
2141
2142#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2143# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2144# define USE_64_BIT_STDIO /* implicit */
2145# endif
2146#endif
4564133c 2147
09458382 2148#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2149# ifdef HAS_OFF64_T
2150# undef Off_t
2151# define Off_t off64_t
2152# undef LSEEKSIZE
2153# define LSEEKSIZE 8
5ff3f7a4 2154# endif
d9b3e12d
JH		 2155/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2156 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2157 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2158# if defined(USE_OPEN64)
2159# define open open64
5ff3f7a4 2160# endif
d9b3e12d
JH		 2161# if defined(USE_LSEEK64)
2162# define lseek lseek64
6b8eaf93
JH		 2163# else
2164# if defined(USE_LLSEEK)
2165# define lseek llseek
2166# endif
d9b3e12d
JH		 2167# endif
2168# if defined(USE_STAT64)
2169# define stat stat64
2170# endif
2171# if defined(USE_FSTAT64)
2172# define fstat fstat64
2173# endif
2174# if defined(USE_LSTAT64)
2175# define lstat lstat64
2176# endif
2177# if defined(USE_FLOCK64)
2178# define flock flock64
2179# endif
2180# if defined(USE_LOCKF64)
2181# define lockf lockf64
2182# endif
2183# if defined(USE_FCNTL64)
2184# define fcntl fcntl64
2185# endif
2186# if defined(USE_TRUNCATE64)
2187# define truncate truncate64
2188# endif
2189# if defined(USE_FTRUNCATE64)
2190# define ftruncate ftruncate64
2191# endif
2192#endif
2193
2194#ifdef USE_64_BIT_STDIO
2195# ifdef HAS_FPOS64_T
2196# undef Fpos_t
2197# define Fpos_t fpos64_t
2198# endif
2199/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2200 * will trigger defines like the ones below. Some 64-bit environments,
2201 * however, do not. */
2202# if defined(USE_FOPEN64)
2203# define fopen fopen64
2204# endif
2205# if defined(USE_FSEEK64)
6b8eaf93 2206# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2207# endif
2208# if defined(USE_FTELL64)
6b8eaf93 2209# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2210# endif
2211# if defined(USE_FSETPOS64)
2212# define fsetpos fsetpos64
2213# endif
2214# if defined(USE_FGETPOS64)
2215# define fgetpos fgetpos64
2216# endif
2217# if defined(USE_TMPFILE64)
2218# define tmpfile tmpfile64
2219# endif
2220# if defined(USE_FREOPEN64)
2221# define freopen freopen64
5ff3f7a4
GS		 2222# endif
2223#endif
2224
af8b425d 2225#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2226# include "iperlsys.h"
2227#endif
2228
6f71a643 2229#if defined(__OPEN_VM)
19848b3f
JH		 2230# include "vmesa/vmesaish.h"
2231# define ISHISH "vmesa"
6f71a643
JH		 2232#endif
2233
748a9306 2234#ifdef DOSISH
19848b3f
JH		 2235# if defined(OS2)
2236# include "os2ish.h"
2237# else
2238# include "dosish.h"
2239# endif
2240# define ISHISH "dos"
2241#endif
2242
2243#if defined(VMS)
748a9306 2244# include "vmsish.h"
96e176bf 2245# include "embed.h"
19848b3f
JH		 2246# define ISHISH "vms"
2247#endif
2248
2249#if defined(PLAN9)
2250# include "./plan9/plan9ish.h"
2251# define ISHISH "plan9"
2252#endif
2253
2254#if defined(MPE)
2255# include "mpeix/mpeixish.h"
2256# define ISHISH "mpeix"
2257#endif
2258
2259#if defined(__VOS__)
196918b0
PG		 2260# ifdef __GNUC__
2261# include "./vos/vosish.h"
2262# else
2263# include "vos/vosish.h"
2264# endif
19848b3f
JH		 2265# define ISHISH "vos"
2266#endif
2267
2268#if defined(EPOC)
2269# include "epocish.h"
2270# define ISHISH "epoc"
2271#endif
2272
27da23d5
JH		 2273#ifdef SYMBIAN
2274# include "symbian/symbianish.h"
2275# include "embed.h"
2276# define ISHISH "symbian"
2277#endif
2278
19848b3f
JH		 2279#if defined(MACOS_TRADITIONAL)
2280# include "macos/macish.h"
2281# ifndef NO_ENVIRON_ARRAY
2282# define NO_ENVIRON_ARRAY
0c30d9ec 2283# endif
19848b3f
JH		 2284# define ISHISH "macos classic"
2285#endif
2286
efca5cc6
JH		 2287#if defined(__BEOS__)
2288# include "beos/beosish.h"
2289# define ISHISH "beos"
2290#endif
2291
19848b3f
JH		 2292#ifndef ISHISH
2293# include "unixish.h"
2294# define ISHISH "unix"
13b6e58c
JH		 2295#endif
2296
2297#ifndef NO_ENVIRON_ARRAY
2298# define USE_ENVIRON_ARRAY
2299#endif
32f822de 2300
c77b533b
JH		 2301/*
2302 * initialise to avoid floating-point exceptions from overflow, etc
2303 */
2304#ifndef PERL_FPU_INIT
2305# ifdef HAS_FPSETMASK
2306# if HAS_FLOATINGPOINT_H
2307# include <floatingpoint.h>
2308# endif
2309# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2310# else
2f42fcb0 2311# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2312# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2313# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2314# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2315# else
2316# define PERL_FPU_INIT
2f42fcb0 2317
7014c407 2318# endif
c77b533b
JH		 2319# endif
2320#endif
b35112e7
CS		 2321#ifndef PERL_FPU_PRE_EXEC
2322# define PERL_FPU_PRE_EXEC {
2323# define PERL_FPU_POST_EXEC }
2324#endif
c77b533b 2325
ed344e4f
IZ		 2326#ifndef PERL_SYS_INIT3
2327# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2328#endif
2329
be708cc0
JH		 2330#ifndef PERL_WRITE_MSG_TO_CONSOLE
2331# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2332#endif
2333
0f31cffe
GS		 2334#ifndef MAXPATHLEN
2335# ifdef PATH_MAX
b990c8b2
JH		 2336# ifdef _POSIX_PATH_MAX
2337# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2338/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2339 * included the null byte or not. Later amendments of POSIX,
2340 * XPG4, the Austin Group, and the Single UNIX Specification
2341 * all explicitly include the null byte in the PATH_MAX.
2342 * Ditto for _POSIX_PATH_MAX. */
2343# define MAXPATHLEN PATH_MAX
b990c8b2 2344# else
09448d78 2345# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2346# endif
2347# else
2348# define MAXPATHLEN (PATH_MAX+1)
2349# endif
0f31cffe 2350# else
b990c8b2 2351# ifdef _POSIX_PATH_MAX
09448d78 2352# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2353# else
2354# define MAXPATHLEN 1024 /* Err on the large side. */
2355# endif
0f31cffe
GS		 2356# endif
2357#endif
2358
3db8f154 2359/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2360 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2361 * this results in many functions being undeclared which bothers C++
2362 * May make sense to have threads after "*ish.h" anyway
2363 */
2364
3db8f154 2365#if defined(USE_ITHREADS)
2986a63f
JH		 2366# ifdef NETWARE
2367# include <nw5thread.h>
2368# else
32f822de
GS		 2369# ifdef FAKE_THREADS
2370# include "fakethr.h"
2371# else
2372# ifdef WIN32
2373# include <win32thread.h>
2374# else
dd96f567
IZ		 2375# ifdef OS2
2376# include "os2thread.h"
2377# else
7f3d1cf1 2378# ifdef I_MACH_CTHREADS
bdd66968 2379# include <mach/cthreads.h>
8f1f23e8 2380# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2381# define MUTEX_INIT_CALLS_MALLOC
2382# endif
7f3d1cf1
BH		 2383typedef cthread_t perl_os_thread;
2384typedef mutex_t perl_mutex;
2385typedef condition_t perl_cond;
2386typedef void * perl_key;
2387# else /* Posix threads */
1f5ae88c
JH		 2388# ifdef I_PTHREAD
2389# include <pthread.h>
2390# endif
7f3d1cf1
BH		 2391typedef pthread_t perl_os_thread;
2392typedef pthread_mutex_t perl_mutex;
2393typedef pthread_cond_t perl_cond;
2394typedef pthread_key_t perl_key;
2395# endif /* I_MACH_CTHREADS */
dd96f567 2396# endif /* OS2 */
32f822de
GS		 2397# endif /* WIN32 */
2398# endif /* FAKE_THREADS */
2986a63f 2399#endif /* NETWARE */
3db8f154 2400#endif /* USE_ITHREADS */
c5be433b 2401
66a93824 2402#if defined(WIN32)
1feb2720 2403# include "win32.h"
c5be433b
GS		 2404#endif
2405
2986a63f
JH		 2406#ifdef NETWARE
2407# include "netware.h"
2408#endif
2409
e5218da5 2410#define STATUS_UNIX PL_statusvalue
68dc0745 2411#ifdef VMS
6b88bc9c 2412# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2413# define STATUS_NATIVE_EXPORT \
d98f61e7 2414 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2415# define STATUS_NATIVE_SET(n) \
2416 STMT_START { \
6b88bc9c
GS		 2417 PL_statusvalue_vms = (n); \
2418 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2419 PL_statusvalue = -1; \
6b88bc9c 2420 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2421 PL_statusvalue = 0; \
6b88bc9c
GS		 2422 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2423 PL_statusvalue = 1 << 8; \
68dc0745 2424 else \
6b88bc9c 2425 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2426 } STMT_END
68dc0745 2427# ifdef VMSISH_STATUS
e5218da5 2428# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2429# else
e5218da5 2430# define STATUS_CURRENT STATUS_UNIX
68dc0745 2431# endif
e5218da5 2432# define STATUS_UNIX_SET(n) \
68dc0745 2433 STMT_START { \
3280af22
NIS		 2434 PL_statusvalue = (n); \
2435 if (PL_statusvalue != -1) { \
2436 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2437 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2438 } \
6b88bc9c 2439 else PL_statusvalue_vms = -1; \
68dc0745 2440 } STMT_END
6b88bc9c
GS		 2441# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2442# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2443#else
e5218da5
GA		 2444# define STATUS_NATIVE PL_statusvalue_posix
2445# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2446# if defined(WCOREDUMP)
2447# define STATUS_NATIVE_SET(n) \
2448 STMT_START { \
2449 PL_statusvalue_posix = (n); \
2450 if (PL_statusvalue_posix == -1) \
2451 PL_statusvalue = -1; \
2452 else { \
2453 PL_statusvalue = \
2454 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2455 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2456 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2457 } \
2458 } STMT_END
2459# elif defined(WIFEXITED)
2460# define STATUS_NATIVE_SET(n) \
2461 STMT_START { \
2462 PL_statusvalue_posix = (n); \
2463 if (PL_statusvalue_posix == -1) \
2464 PL_statusvalue = -1; \
2465 else { \
2466 PL_statusvalue = \
2467 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2468 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2469 } \
2470 } STMT_END
2471# else
2472# define STATUS_NATIVE_SET(n) \
2473 STMT_START { \
2474 PL_statusvalue_posix = (n); \
2475 if (PL_statusvalue_posix == -1) \
2476 PL_statusvalue = -1; \
2477 else { \
2478 PL_statusvalue = \
2479 PL_statusvalue_posix & 0xFFFF; \
2480 } \
2481 } STMT_END
2482# endif
2483# define STATUS_UNIX_SET(n) \
68dc0745 2484 STMT_START { \
3280af22 2485 PL_statusvalue = (n); \
e5218da5 2486 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS		 2487 if (PL_statusvalue != -1) \
2488 PL_statusvalue &= 0xFFFF; \
68dc0745 2489 } STMT_END
e5218da5
GA		 2490# define STATUS_CURRENT STATUS_UNIX
2491# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2492# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2493#endif
2494
cc3604b1
GS		 2495/* flags in PL_exit_flags for nature of exit() */
2496#define PERL_EXIT_EXPECTED 0x01
31d77e54 2497#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2498
0b94c7bb 2499#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2500# define MEMBER_TO_FPTR(name) name
2501#endif
2502
2503/* format to use for version numbers in file/directory names */
273cf8d1 2504/* XXX move to Configure? */
a7cb1f99 2505#ifndef PERL_FS_VER_FMT
273cf8d1 2506# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2507#endif
2508
45bc9206 2509/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2510 * performance issue, so we allow people to disable it. Also, if
2511 * we are using stdio, there are broken implementations of fflush(NULL)
2512 * out there, Solaris being the most prominent.
45bc9206
GS		 2513 */
2514#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2515# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2516# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2517# else
2518# ifdef FFLUSH_ALL
2519# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2520# else
c5be433b 2521# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2522# endif
66fe083f 2523# endif
45bc9206
GS		 2524#endif
2525
7766f137
GS		 2526#ifndef PERL_WAIT_FOR_CHILDREN
2527# define PERL_WAIT_FOR_CHILDREN NOOP
2528#endif
2529
ba869deb 2530/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2531#ifndef PERL_SET_INTERP
2532# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2533#endif
2534
2535#ifndef PERL_GET_INTERP
2536# define PERL_GET_INTERP (PL_curinterp)
2537#endif
2538
54aff467 2539#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2540# ifdef MULTIPLICITY
ba869deb 2541# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2542# endif
ba869deb
GS		 2543# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2544#endif
2545
0dbb1585
AL		 2546/* This replaces the previous %_ "hack" by the "%-p" hack
2547 All that is required is that the perl source does not
2548 use "%-p" or "%-<number>p" format. These format will
2549 still work in perl code. RMB 2005/05/17
2550*/
894356b3 2551#ifndef SVf
0dbb1585 2552# define SVf "-p"
894356b3
GS		 2553#endif
2554
014ead4b 2555#ifndef SVf_precision
0dbb1585 2556# define SVf_precision(n) "-" n "p"
d2560b70
RB		 2557#endif
2558
014ead4b
RB		 2559#ifndef SVf32
2560# define SVf32 SVf_precision("32")
2561#endif
2562
2563#ifndef SVf256
2564# define SVf256 SVf_precision("256")
2565#endif
2566
2567#ifndef UVf
2568# define UVf UVuf
d2560b70
RB		 2569#endif
2570
5df617be 2571#ifndef DieNull
0dbb1585 2572# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB		 2573#endif
2574
0dbb1585
AL		 2575/* In case Configure was not used (we are using a "canned config"
2576 * such as Win32, or a cross-compilation setup, for example) try going
2577 * by the gcc major and minor versions. One useful URL is
2578 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2579 * but contrary to this information warn_unused_result seems
2580 * not to be in gcc 3.3.5, at least. --jhi */
2581#if defined __GNUC__
2582# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2583# define HASATTRIBUTE_FORMAT
2584# endif
2585# if __GNUC__ >= 3 /* 3.0 -> */
2586# define HASATTRIBUTE_MALLOC
2587# endif
2588# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2589# define HASATTRIBUTE_NONNULL
2590# endif
2591# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2592# define HASATTRIBUTE_NORETURN
2593# endif
2594# if __GNUC__ >= 3 /* gcc 3.0 -> */
2595# define HASATTRIBUTE_PURE
2596# endif
2597# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2598# define HASATTRIBUTE_UNUSED
2599# endif
2600# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2601# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB		 2602# endif
2603#endif
b7787f18 2604
f22be1b8 2605
0dbb1585
AL		 2606#ifdef HASATTRIBUTE_FORMAT
2607# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2608#endif
2609#ifdef HASATTRIBUTE_MALLOC
abb2c242 2610# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2611#endif
0dbb1585 2612#ifdef HASATTRIBUTE_NONNULL
abb2c242 2613# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2614#endif
0dbb1585 2615#ifdef HASATTRIBUTE_NORETURN
abb2c242 2616# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2617#endif
0dbb1585 2618#ifdef HASATTRIBUTE_PURE
abb2c242 2619# define __attribute__pure__ __attribute__((pure))
f22be1b8 2620#endif
0dbb1585
AL		 2621#ifdef HASATTRIBUTE_UNUSED
2622# define __attribute__unused__ __attribute__((unused))
2623#endif
2624#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2625# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2626#endif
2627
0dbb1585
AL		 2628/* If we haven't defined the attributes yet, define them to blank. */
2629#ifndef __attribute__format__
2630# define __attribute__format__(x,y,z)
2631#endif
f22be1b8 2632#ifndef __attribute__malloc__
abb2c242 2633# define __attribute__malloc__
f22be1b8
JH		 2634#endif
2635#ifndef __attribute__nonnull__
abb2c242 2636# define __attribute__nonnull__(a)
f22be1b8
JH		 2637#endif
2638#ifndef __attribute__noreturn__
abb2c242 2639# define __attribute__noreturn__
f22be1b8
JH		 2640#endif
2641#ifndef __attribute__pure__
abb2c242 2642# define __attribute__pure__
f22be1b8 2643#endif
0dbb1585
AL		 2644#ifndef __attribute__unused__
2645# define __attribute__unused__
2646#endif
f22be1b8 2647#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2648# define __attribute__warn_unused_result__
2649#endif
2650
0dbb1585
AL		 2651/* For functions that are marked as __attribute__noreturn__, it's not
2652 appropriate to call return. In either case, include the lint directive.
2653 */
2654#ifdef HASATTRIBUTE_NORETURN
2655# define NORETURN_FUNCTION_END /* NOT REACHED */
2656#else
2657# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2658#endif
2659
3fc1aec6 2660/* Some unistd.h's give a prototype for pause() even though
2661 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2662 below to be rejected by the compiler. Sigh.
3fc1aec6 2663*/
2664#ifdef HAS_PAUSE
2665#define Pause pause
2666#else
2667#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2668#endif
2669
2670#ifndef IOCPARM_LEN
2671# ifdef IOCPARM_MASK
2672 /* on BSDish systes we're safe */
2673# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2674# else
2675 /* otherwise guess at what's safe */
2676# define IOCPARM_LEN(x) 256
2677# endif
a0d0e21e
LW		 2678#endif
2679
1761cee5 2680#if defined(__CYGWIN__)
521e0776
GS		 2681/* USEMYBINMODE
2682 * This symbol, if defined, indicates that the program should
16fe6d59 2683 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2684 * that a file is in "binary" mode -- that is, that no translation
2685 * of bytes occurs on read or write operations.
2686 */
36894f0b 2687# define USEMYBINMODE /**/
77a40698 2688# include <io.h> /* for setmode() prototype */
16fe6d59 2689# define my_binmode(fp, iotype, mode) \
77a40698 2690 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2691#endif
2692
88d10794
JH		 2693#ifdef __CYGWIN__
2694void init_os_extras(void);
2695#endif
2696
cea2e8a9
GS		 2697#ifdef UNION_ANY_DEFINITION
2698UNION_ANY_DEFINITION;
2699#else
2700union any {
2701 void* any_ptr;
2702 I32 any_i32;
2703 IV any_iv;
2704 long any_long;
9febdf04 2705 bool any_bool;
c76ac1ee 2706 void (*any_dptr) (void*);
acfe0abc 2707 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2708};
2709#endif
2710
acfe0abc 2711typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2712
2713#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2714#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2715#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2716
c5078cac
JH		 2717#if defined(_AIX) && !defined(_AIX43)
2718#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2719/* We cannot include <crypt.h> to get the struct crypt_data
2720 * because of setkey prototype problems when threading */
2721typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2722 /* From OSF, Not needed in AIX
2723 char C[28], D[28];
2724 */
2725 char E[48];
2726 char KS[16][48];
2727 char block[66];
2728 char iobuf[16];
2729} CRYPTD;
2730#endif /* threading */
2731#endif /* AIX */
2732
af8b425d 2733#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2734# include "iperlsys.h"
2735#endif
504f80c1 2736
d10dc2ae
JH		 2737/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2738 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2739 * defined by Configure, despite their names being similar to the
2740 * other defines like USE_ITHREADS. Configure in fact knows nothing
2741 * about the randomised hashes. Therefore to enable/disable the hash
2742 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2743#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2744# define USE_HASH_SEED
504f80c1
JH		 2745#endif
2746
378cc40b 2747#include "regexp.h"
79072805 2748#include "sv.h"
378cc40b 2749#include "util.h"
8d063cd8 2750#include "form.h"
79072805 2751#include "gv.h"
dd2155a4 2752#include "pad.h"
79072805 2753#include "cv.h"
abdd5c84 2754#include "opnames.h"
79072805
LW		 2755#include "op.h"
2756#include "cop.h"
2757#include "av.h"
2758#include "hv.h"
2759#include "mg.h"
2760#include "scope.h"
4438c4b7 2761#include "warnings.h"
a0ed51b3 2762#include "utf8.h"
8d063cd8 2763
7fae4e64
GS		 2764/* Current curly descriptor */
2765typedef struct curcur CURCUR;
2766struct curcur {
2767 int parenfloor; /* how far back to strip paren data */
2768 int cur; /* how many instances of scan we've matched */
2769 int min; /* the minimal number of scans to match */
2770 int max; /* the maximal number of scans to match */
2771 int minmod; /* whether to work our way up or down */
2772 regnode * scan; /* the thing to match */
2773 regnode * next; /* what has to match after it */
2774 char * lastloc; /* where we started matching this scan */
2775 CURCUR * oldcc; /* current curly before we started this one */
2776};
2777
2778typedef struct _sublex_info SUBLEXINFO;
2779struct _sublex_info {
2780 I32 super_state; /* lexer state to save */
2781 I32 sub_inwhat; /* "lex_inwhat" to use */
2782 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2783 char *super_bufptr; /* PL_bufptr that was */
2784 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2785};
2786
455ece5e 2787typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2788
2c2d71f5 2789struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2790struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2791
2792typedef I32 CHECKPOINT;
76e3520e 2793
5f7fde29
GS		 2794struct ptr_tbl_ent {
2795 struct ptr_tbl_ent* next;
2796 void* oldval;
2797 void* newval;
d18c6117
GS		 2798};
2799
5f7fde29
GS		 2800struct ptr_tbl {
2801 struct ptr_tbl_ent** tbl_ary;
2802 UV tbl_max;
2803 UV tbl_items;
d18c6117
GS		 2804};
2805
450a55e4 2806#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2807# define I286
2808#endif
2809
fe14fcc3
LW		 2810#if defined(htonl) && !defined(HAS_HTONL)
2811#define HAS_HTONL
ae986130 2812#endif
fe14fcc3
LW		 2813#if defined(htons) && !defined(HAS_HTONS)
2814#define HAS_HTONS
ae986130 2815#endif
fe14fcc3
LW		 2816#if defined(ntohl) && !defined(HAS_NTOHL)
2817#define HAS_NTOHL
ae986130 2818#endif
fe14fcc3
LW		 2819#if defined(ntohs) && !defined(HAS_NTOHS)
2820#define HAS_NTOHS
ae986130 2821#endif
fe14fcc3 2822#ifndef HAS_HTONL
d9d8d8de 2823#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2824#define HAS_HTONS
2825#define HAS_HTONL
2826#define HAS_NTOHS
2827#define HAS_NTOHL
a687059c
LW		 2828#define MYSWAP
2829#define htons my_swap
2830#define htonl my_htonl
2831#define ntohs my_swap
2832#define ntohl my_ntohl
2833#endif
2834#else
d9d8d8de 2835#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2836#undef HAS_HTONS
2837#undef HAS_HTONL
2838#undef HAS_NTOHS
2839#undef HAS_NTOHL
a687059c
LW		 2840#endif
2841#endif
2842
988174c1
LW		 2843/*
2844 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2845 * -DWS
2846 */
2847#if BYTEORDER != 0x1234
2848# define HAS_VTOHL
2849# define HAS_VTOHS
2850# define HAS_HTOVL
2851# define HAS_HTOVS
c67712b2 2852# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2853# define vtohl(x) ((((x)&0xFF)<<24) \
2854 +(((x)>>24)&0xFF) \
2855 +(((x)&0x0000FF00)<<8) \
2856 +(((x)&0x00FF0000)>>8) )
2857# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2858# define htovl(x) vtohl(x)
2859# define htovs(x) vtohs(x)
2860# endif
2861 /* otherwise default to functions in util.c */
2a8c3029 2862#ifndef htovs
c623ac67
GS		 2863short htovs(short n);
2864short vtohs(short n);
2865long htovl(long n);
2866long vtohl(long n);
988174c1 2867#endif
2a8c3029 2868#endif
988174c1 2869
3bb7c1b4
JH		 2870/* *MAX Plus 1. A floating point value.
2871 Hopefully expressed in a way that dodgy floating point can't mess up.
2872 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2873 is added to it
2874 May find that some broken compiler will want the value cast to I32.
2875 [after the shift, as signed >> may not be as secure as unsigned >>]
2876*/
2877#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2878#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2879/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2880 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2881 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2882*/
2883#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2884
3bb7c1b4
JH		 2885#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2886#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2887#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2888
2889/* This may look like unnecessary jumping through hoops, but converting
2890 out of range floating point values to integers *is* undefined behaviour,
2891 and it is starting to bite.
2892*/
2893#ifndef CAST_INLINE
65202027 2894#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2895#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2896#define I_V(what) (cast_iv((NV)(what)))
2897#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2898#else
2899#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2900 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2901 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2902#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2903 : ((n) < U32_MAX_P1 ? (U32) (n) \
2904 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2905#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2906 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2907 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2908#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2909 : ((n) < UV_MAX_P1 ? (UV) (n) \
2910 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2911#endif
2912
2913#define U_S(what) ((U16)U_32(what))
2914#define U_I(what) ((unsigned int)U_32(what))
2915#define U_L(what) U_32(what)
ed6116ce 2916
2d4389e4
JH		 2917/* These do not care about the fractional part, only about the range. */
2918#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2919#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2920
25da4f38
IZ		 2921/* Used with UV/IV arguments: */
2922 /* XXXX: need to speed it up */
2923#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2924#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2925
352d5a3a
LW		 2926#ifndef MAXSYSFD
2927# define MAXSYSFD 2
2928#endif
ee0007ab 2929
79072805 2930#ifndef __cplusplus
27da23d5 2931#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 2932Uid_t getuid (void);
2933Uid_t geteuid (void);
2934Gid_t getgid (void);
2935Gid_t getegid (void);
79072805 2936#endif
e1caacb4 2937#endif
8d063cd8 2938
0c30d9ec 2939#ifndef Perl_debug_log
bf49b057
GS		 2940# define Perl_debug_log PerlIO_stderr()
2941#endif
2942
2943#ifndef Perl_error_log
2944# define Perl_error_log (PL_stderrgv \
6b78add2 2945 && isGV(PL_stderrgv) \
01bb7c6d 2946 && GvIOp(PL_stderrgv) \
42de951c 2947 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2948 ? IoOFP(GvIOp(PL_stderrgv)) \
2949 : PerlIO_stderr())
0c30d9ec 2950#endif
3967c732 2951
aea4f609
DM		 2952
2953#define DEBUG_p_FLAG 0x00000001 /* 1 */
2954#define DEBUG_s_FLAG 0x00000002 /* 2 */
2955#define DEBUG_l_FLAG 0x00000004 /* 4 */
2956#define DEBUG_t_FLAG 0x00000008 /* 8 */
2957#define DEBUG_o_FLAG 0x00000010 /* 16 */
2958#define DEBUG_c_FLAG 0x00000020 /* 32 */
2959#define DEBUG_P_FLAG 0x00000040 /* 64 */
2960#define DEBUG_m_FLAG 0x00000080 /* 128 */
2961#define DEBUG_f_FLAG 0x00000100 /* 256 */
2962#define DEBUG_r_FLAG 0x00000200 /* 512 */
2963#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2964#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2965 /* spare */
aea4f609
DM		 2966#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2967#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2968#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2969#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2970#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2971#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2972#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2973#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2974#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2975#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2976#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2977#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2978
2979#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2980#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2981 that something was done? */
aea4f609 2982
bd16a5f0
IZ		 2983# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2984# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2985# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2986# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2987# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2988# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2989# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2990# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2991# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2992# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2993# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2994# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2995# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2996# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2997# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2998# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2999# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3000# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3001# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3002# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3003# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3004# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3005# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3006# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3007
3967c732 3008#ifdef DEBUGGING
aea4f609 3009
bd16a5f0
IZ		 3010# define DEBUG_p_TEST DEBUG_p_TEST_
3011# define DEBUG_s_TEST DEBUG_s_TEST_
3012# define DEBUG_l_TEST DEBUG_l_TEST_
3013# define DEBUG_t_TEST DEBUG_t_TEST_
3014# define DEBUG_o_TEST DEBUG_o_TEST_
3015# define DEBUG_c_TEST DEBUG_c_TEST_
3016# define DEBUG_P_TEST DEBUG_P_TEST_
3017# define DEBUG_m_TEST DEBUG_m_TEST_
3018# define DEBUG_f_TEST DEBUG_f_TEST_
3019# define DEBUG_r_TEST DEBUG_r_TEST_
3020# define DEBUG_x_TEST DEBUG_x_TEST_
3021# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3022# define DEBUG_H_TEST DEBUG_H_TEST_
3023# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3024# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3025# define DEBUG_D_TEST DEBUG_D_TEST_
3026# define DEBUG_S_TEST DEBUG_S_TEST_
3027# define DEBUG_T_TEST DEBUG_T_TEST_
3028# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3029# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3030# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3031# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3032# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3033# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3034
488b0c7a
JH		 3035# define PERL_DEB(a) a
3036# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3037# define DEBUG_p(a) if (DEBUG_p_TEST) a
3038# define DEBUG_s(a) if (DEBUG_s_TEST) a
3039# define DEBUG_l(a) if (DEBUG_l_TEST) a
3040# define DEBUG_t(a) if (DEBUG_t_TEST) a
3041# define DEBUG_o(a) if (DEBUG_o_TEST) a
3042# define DEBUG_c(a) if (DEBUG_c_TEST) a
3043# define DEBUG_P(a) if (DEBUG_P_TEST) a
3044
969058bb
VK		 3045 /* Temporarily turn off memory debugging in case the a
3046 * does memory allocation, either directly or indirectly. */
acfe0abc 3047# define DEBUG_m(a) \
0b250b9e 3048 STMT_START { \
aea4f609 3049 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3050 } STMT_END
aea4f609 3051
5f80b19c
AMS		 3052# define DEBUG__(t, a) \
3053 STMT_START { \
3054 if (t) STMT_START {a;} STMT_END; \
3055 } STMT_END
3056
3057# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3058# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3059# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3060# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3061# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3062# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3063# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3064# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3065
3db8f154 3066# define DEBUG_S(a)
aea4f609 3067
5f80b19c
AMS		 3068# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3069# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3070# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3071# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3072# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3073# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3074
3075#else /* DEBUGGING */
3076
3077# define DEBUG_p_TEST (0)
3078# define DEBUG_s_TEST (0)
3079# define DEBUG_l_TEST (0)
3080# define DEBUG_t_TEST (0)
3081# define DEBUG_o_TEST (0)
3082# define DEBUG_c_TEST (0)
3083# define DEBUG_P_TEST (0)
3084# define DEBUG_m_TEST (0)
3085# define DEBUG_f_TEST (0)
3086# define DEBUG_r_TEST (0)
3087# define DEBUG_x_TEST (0)
3088# define DEBUG_u_TEST (0)
aea4f609
DM		 3089# define DEBUG_H_TEST (0)
3090# define DEBUG_X_TEST (0)
dd2155a4 3091# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3092# define DEBUG_D_TEST (0)
3093# define DEBUG_S_TEST (0)
3094# define DEBUG_T_TEST (0)
04932ac8 3095# define DEBUG_R_TEST (0)
1045810a 3096# define DEBUG_J_TEST (0)
d6721266 3097# define DEBUG_v_TEST (0)
46187eeb 3098# define DEBUG_C_TEST (0)
ecae49c0
NC		 3099# define DEBUG_A_TEST (0)
3100# define DEBUG_q_TEST (0)
aea4f609 3101
488b0c7a
JH		 3102# define PERL_DEB(a)
3103# define PERL_DEBUG(a)
aea4f609
DM		 3104# define DEBUG_p(a)
3105# define DEBUG_s(a)
3106# define DEBUG_l(a)
3107# define DEBUG_t(a)
3108# define DEBUG_o(a)
3109# define DEBUG_c(a)
3110# define DEBUG_P(a)
3111# define DEBUG_m(a)
3112# define DEBUG_f(a)
3113# define DEBUG_r(a)
3114# define DEBUG_x(a)
3115# define DEBUG_u(a)
aea4f609
DM		 3116# define DEBUG_H(a)
3117# define DEBUG_X(a)
dd2155a4 3118# define DEBUG_Xv(a)
aea4f609
DM		 3119# define DEBUG_D(a)
3120# define DEBUG_S(a)
3121# define DEBUG_T(a)
04932ac8 3122# define DEBUG_R(a)
d6721266 3123# define DEBUG_v(a)
46187eeb 3124# define DEBUG_C(a)
ecae49c0
NC		 3125# define DEBUG_A(a)
3126# define DEBUG_q(a)
aea4f609
DM		 3127#endif /* DEBUGGING */
3128
3129
b4ab917c
DM		 3130#define DEBUG_SCOPE(where) \
3131 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3132 where, PL_scopestack_ix, __FILE__, __LINE__)));
3133
3134
3135
3136
d1be9408 3137/* These constants should be used in preference to raw characters
14befaf4
DM		 3138 * when using magic. Note that some perl guts still assume
3139 * certain character properties of these constants, namely that
3140 * isUPPER() and toLOWER() may do useful mappings.
3141 *
3142 * Update the magic_names table in dump.c when adding/amending these
3143 */
3144
3145#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3146#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3147#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3148#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3149#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3150#define PERL_MAGIC_regdata 'D' /* Regex match position data
3151 (@+ and @- vars) */
3152#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3153#define PERL_MAGIC_env 'E' /* %ENV hash */
3154#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3155#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3156#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3157#define PERL_MAGIC_isa 'I' /* @ISA array */
3158#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3159#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3160#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3161#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3162#define PERL_MAGIC_mutex 'm' /* for lock op */
3163#define PERL_MAGIC_shared 'N' /* Shared between threads */
3164#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3165#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3166#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3167#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3168#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3169#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3170#define PERL_MAGIC_sig 'S' /* %SIG hash */
3171#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3172#define PERL_MAGIC_taint 't' /* Taintedness */
3173#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3174#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3175#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3176#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3177#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3178#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3179#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3180 smart parameter vivification */
3181#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3182#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3183#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3184#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3185#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3186#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3187#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3188#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3189
3190
a6e633de 3191#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3192#define assert(what) PERL_DEB( \
3193 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3194 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3195 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3196 PerlProc_exit(1), \
3197 (void) 0)))
a446a88f 3198#endif
8d063cd8 3199
450a55e4 3200struct ufuncs {
24f81a43
DM		 3201 I32 (*uf_val)(pTHX_ IV, SV*);
3202 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3203 IV uf_index;
450a55e4
LW		 3204};
3205
14befaf4 3206/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3207 * XS code wanting to be backward compatible can do something
3208 * like the following:
c745e42c 3209
24f81a43 3210#ifndef PERL_MG_UFUNC
24f81a43
DM		 3211#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3212#endif
3213
3214static PERL_MG_UFUNC(foo_get, index, val)
3215{
3216 sv_setsv(val, ...);
3217 return TRUE;
3218}
3219
3220-- Doug MacEachern
3221
3222*/
3223
fc9c74e6 3224#ifndef PERL_MG_UFUNC
24f81a43 3225#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3226#endif
24f81a43 3227
fe14fcc3 3228/* Fix these up for __STDC__ */
68dc0745 3229#ifndef DONT_DECLARE_STD
20ce7b12 3230char *mktemp (char*);
37bd1396 3231#ifndef atof
20ce7b12 3232double atof (const char*);
a0d0e21e 3233#endif
37bd1396 3234#endif
79072805 3235
352d5a3a 3236#ifndef STANDARD_C
fe14fcc3 3237/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3238Time_t time();
8d063cd8 3239struct tm *gmtime(), *localtime();
092bebab 3240#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3241char *(strchr)(), *(strrchr)();
3242char *(strcpy)(), *(strcat)();
3243#else
93a17b20 3244char *strchr(), *strrchr();
378cc40b 3245char *strcpy(), *strcat();
9d116dd7 3246#endif
352d5a3a 3247#endif /* ! STANDARD_C */
8d063cd8 3248
79072805
LW		 3249
3250#ifdef I_MATH
3251# include <math.h>
3252#else
32f822de 3253START_EXTERN_C
20ce7b12
GS		 3254 double exp (double);
3255 double log (double);
3256 double log10 (double);
3257 double sqrt (double);
3258 double frexp (double,int*);
3259 double ldexp (double,int);
3260 double modf (double,double*);
3261 double sin (double);
3262 double cos (double);
3263 double atan2 (double,double);
3264 double pow (double,double);
32f822de 3265END_EXTERN_C
79072805
LW		 3266#endif
3267
aa8b85de
JH		 3268#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3269# define NV_INF LDBL_INFINITY
3270#endif
3271#if !defined(NV_INF) && defined(DBL_INFINITY)
3272# define NV_INF (NV)DBL_INFINITY
3273#endif
3274#if !defined(NV_INF) && defined(INFINITY)
3275# define NV_INF (NV)INFINITY
3276#endif
3277#if !defined(NV_INF) && defined(INF)
3278# define NV_INF (NV)INF
3279#endif
3280#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3281# define NV_INF (NV)HUGE_VALL
3282#endif
3283#if !defined(NV_INF) && defined(HUGE_VAL)
3284# define NV_INF (NV)HUGE_VAL
3285#endif
3286
3287#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3288# if !defined(NV_NAN) && defined(LDBL_NAN)
3289# define NV_NAN LDBL_NAN
3290# endif
3291# if !defined(NV_NAN) && defined(LDBL_QNAN)
3292# define NV_NAN LDBL_QNAN
3293# endif
3294# if !defined(NV_NAN) && defined(LDBL_SNAN)
3295# define NV_NAN LDBL_SNAN
3296# endif
3297#endif
3298#if !defined(NV_NAN) && defined(DBL_NAN)
3299# define NV_NAN (NV)DBL_NAN
3300#endif
3301#if !defined(NV_NAN) && defined(DBL_QNAN)
3302# define NV_NAN (NV)DBL_QNAN
3303#endif
3304#if !defined(NV_NAN) && defined(DBL_SNAN)
3305# define NV_NAN (NV)DBL_SNAN
3306#endif
3307#if !defined(NV_NAN) && defined(QNAN)
3308# define NV_NAN (NV)QNAN
3309#endif
3310#if !defined(NV_NAN) && defined(SNAN)
3311# define NV_NAN (NV)SNAN
3312#endif
3313#if !defined(NV_NAN) && defined(NAN)
3314# define NV_NAN (NV)NAN
3315#endif
3316
a0d0e21e 3317#ifndef __cplusplus
8f1f23e8 3318# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3319char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3320# else
fd8cd3a3 3321# if !defined(WIN32) && !defined(VMS)
10bc17b6 3322#ifndef crypt
20ce7b12 3323char *crypt (const char*, const char*);
10bc17b6 3324#endif
5014db98 3325# endif /* !WIN32 */
8f1f23e8 3326# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3327# ifndef DONT_DECLARE_STD
3328# ifndef getenv
20ce7b12 3329char *getenv (const char*);
26618a56 3330# endif /* !getenv */
28ca6303 3331# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3332# ifdef _FILE_OFFSET_BITS
28ca6303 3333# if _FILE_OFFSET_BITS == 64
20ce7b12 3334Off_t lseek (int,Off_t,int);
0fc67700
JH		 3335# endif
3336# endif
bf0c440f 3337# endif
26618a56 3338# endif /* !DONT_DECLARE_STD */
10bc17b6 3339#ifndef getlogin
20ce7b12 3340char *getlogin (void);
10bc17b6 3341#endif
26618a56 3342#endif /* !__cplusplus */
79072805 3343
16d20bd9 3344#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3345#define UNLINK unlnk
20ce7b12 3346I32 unlnk (char*);
8d063cd8 3347#else
80252599 3348#define UNLINK PerlLIO_unlink
8d063cd8 3349#endif
a687059c 3350
fa0a29af
JH		 3351/* some versions of glibc are missing the setresuid() proto */
3352#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3353int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3354#endif
fa0a29af
JH		 3355/* some versions of glibc are missing the setresgid() proto */
3356#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3357int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3358#endif
3359
fe14fcc3 3360#ifndef HAS_SETREUID
85e6fe83
LW		 3361# ifdef HAS_SETRESUID
3362# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3363# define HAS_SETREUID
3364# endif
a687059c 3365#endif
fe14fcc3 3366#ifndef HAS_SETREGID
85e6fe83
LW		 3367# ifdef HAS_SETRESGID
3368# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3369# define HAS_SETREGID
3370# endif
a687059c 3371#endif
ee0007ab 3372
d543acb6 3373/* Sighandler_t defined in iperlsys.h */
ff68c719 3374
3375#ifdef HAS_SIGACTION
3376typedef struct sigaction Sigsave_t;
3377#else
3378typedef Sighandler_t Sigsave_t;
3379#endif
3380
ee0007ab
LW		 3381#define SCAN_DEF 0
3382#define SCAN_TR 1
3383#define SCAN_REPL 2
79072805
LW		 3384
3385#ifdef DEBUGGING
4633a7c4 3386# ifndef register
a0d0e21e
LW		 3387# define register
3388# endif
cea2e8a9 3389# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3390#else
cea2e8a9 3391# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3392#endif
3393
18f739ee 3394#ifdef MYMALLOC
772fe5b3 3395# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3396# define MALLOC_INIT \
3397 STMT_START { \
3398 PL_malloc_mutex = NULL; \
3399 MUTEX_INIT(&PL_malloc_mutex); \
3400 } STMT_END
3401# define MALLOC_TERM \
3402 STMT_START { \
3403 perl_mutex tmp = PL_malloc_mutex; \
3404 PL_malloc_mutex = NULL; \
3405 MUTEX_DESTROY(&tmp); \
3406 } STMT_END
3407# else
3408# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3409# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3410# endif
18f739ee
IZ		 3411#else
3412# define MALLOC_INIT
3413# define MALLOC_TERM
3414#endif
3415
b6d9d515 3416
0cb96387 3417typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3418typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3419typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3420typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3421
940cb80d 3422/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3423#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3424
8f1f23e8
W		 3425/* NeXT has problems with crt0.o globals */
3426#if defined(__DYNAMIC__) && \
6239f2da 3427 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3428# if defined(NeXT) || defined(__NeXT)
3429# include <mach-o/dyld.h>
3430# define environ (*environ_pointer)
0c30d9ec 3431EXT char *** environ_pointer;
8f1f23e8 3432# else
6239f2da 3433# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3434# include <crt_externs.h> /* for the env array */
3435# define environ (*_NSGetEnviron())
3436# endif
0c30d9ec 3437# endif
8f1f23e8
W		 3438#else
3439 /* VMS and some other platforms don't use the environ array */
13b6e58c 3440# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3441# if !defined(DONT_DECLARE_STD) || \
3442 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3443 defined(__sgi) || \
d460ef45 3444 defined(__DGUX)
8f1f23e8 3445extern char ** environ; /* environment variables supplied via exec */
a6c40364 3446# endif
8f1f23e8
W		 3447# endif
3448#endif
79072805 3449
73c4f7a1
GS		 3450START_EXTERN_C
3451
79072805 3452/* handy constants */
22c35a8c 3453EXTCONST char PL_warn_uninit[]
29489e7c 3454 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3455EXTCONST char PL_warn_nosemi[]
463ee0b2 3456 INIT("Semicolon seems to be missing");
22c35a8c 3457EXTCONST char PL_warn_reserved[]
463ee0b2 3458 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3459EXTCONST char PL_warn_nl[]
93a17b20 3460 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3461EXTCONST char PL_no_wrongref[]
a0d0e21e 3462 INIT("Can't use %s ref as %s ref");
22c35a8c 3463EXTCONST char PL_no_symref[]
748a9306 3464 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3465EXTCONST char PL_no_symref_sv[]
014ead4b 3466 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3467EXTCONST char PL_no_usym[]
8990e307 3468 INIT("Can't use an undefined value as %s reference");
22c35a8c 3469EXTCONST char PL_no_aelem[]
93a17b20 3470 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3471EXTCONST char PL_no_helem_sv[]
3472 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3473EXTCONST char PL_no_modify[]
93a17b20 3474 INIT("Modification of a read-only value attempted");
22c35a8c 3475EXTCONST char PL_no_mem[]
93a17b20 3476 INIT("Out of memory!\n");
22c35a8c 3477EXTCONST char PL_no_security[]
463ee0b2 3478 INIT("Insecure dependency in %s%s");
22c35a8c 3479EXTCONST char PL_no_sock_func[]
93a17b20 3480 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3481EXTCONST char PL_no_dir_func[]
93a17b20 3482 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3483EXTCONST char PL_no_func[]
93a17b20 3484 INIT("The %s function is unimplemented");
22c35a8c 3485EXTCONST char PL_no_myglob[]
748a9306 3486 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3487EXTCONST char PL_no_localize_ref[]
3488 INIT("Can't localize through a reference");
27d5b266
JH		 3489#ifdef PERL_MALLOC_WRAP
3490EXTCONST char PL_memory_wrap[]
3491 INIT("panic: memory wrap");
3492#endif
93a17b20 3493
7575fa06 3494EXTCONST char PL_uuemap[65]
80252599
GS		 3495 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3496
3497
79072805 3498#ifdef DOINIT
27da23d5
JH		 3499EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3500EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3501#else
27da23d5
JH		 3502EXTCONST char* const PL_sig_name[];
3503EXTCONST int PL_sig_num[];
79072805
LW		 3504#endif
3505
3bd709b1 3506/* fast conversion and case folding tables */
bbce6d69 3507
79072805 3508#ifdef DOINIT
9d116dd7 3509#ifdef EBCDIC
27da23d5 3510EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3511 0, 1, 2, 3, 4, 5, 6, 7,
3512 8, 9, 10, 11, 12, 13, 14, 15,
3513 16, 17, 18, 19, 20, 21, 22, 23,
3514 24, 25, 26, 27, 28, 29, 30, 31,
3515 32, 33, 34, 35, 36, 37, 38, 39,
3516 40, 41, 42, 43, 44, 45, 46, 47,
3517 48, 49, 50, 51, 52, 53, 54, 55,
3518 56, 57, 58, 59, 60, 61, 62, 63,
3519 64, 65, 66, 67, 68, 69, 70, 71,
3520 72, 73, 74, 75, 76, 77, 78, 79,
3521 80, 81, 82, 83, 84, 85, 86, 87,
3522 88, 89, 90, 91, 92, 93, 94, 95,
3523 96, 97, 98, 99, 100, 101, 102, 103,
3524 104, 105, 106, 107, 108, 109, 110, 111,
3525 112, 113, 114, 115, 116, 117, 118, 119,
3526 120, 121, 122, 123, 124, 125, 126, 127,
3527 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3528 'H', 'I', 138, 139, 140, 141, 142, 143,
3529 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3530 'Q', 'R', 154, 155, 156, 157, 158, 159,
3531 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3532 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3533 176, 177, 178, 179, 180, 181, 182, 183,
3534 184, 185, 186, 187, 188, 189, 190, 191,
3535 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3536 'h', 'i', 202, 203, 204, 205, 206, 207,
3537 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3538 'q', 'r', 218, 219, 220, 221, 222, 223,
3539 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3540 'y', 'z', 234, 235, 236, 237, 238, 239,
3541 240, 241, 242, 243, 244, 245, 246, 247,
3542 248, 249, 250, 251, 252, 253, 254, 255
3543};
3544#else /* ascii rather than ebcdic */
22c35a8c 3545EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3546 0, 1, 2, 3, 4, 5, 6, 7,
3547 8, 9, 10, 11, 12, 13, 14, 15,
3548 16, 17, 18, 19, 20, 21, 22, 23,
3549 24, 25, 26, 27, 28, 29, 30, 31,
3550 32, 33, 34, 35, 36, 37, 38, 39,
3551 40, 41, 42, 43, 44, 45, 46, 47,
3552 48, 49, 50, 51, 52, 53, 54, 55,
3553 56, 57, 58, 59, 60, 61, 62, 63,
3554 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3555 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3556 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3557 'x', 'y', 'z', 91, 92, 93, 94, 95,
3558 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3559 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3560 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3561 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3562 128, 129, 130, 131, 132, 133, 134, 135,
3563 136, 137, 138, 139, 140, 141, 142, 143,
3564 144, 145, 146, 147, 148, 149, 150, 151,
3565 152, 153, 154, 155, 156, 157, 158, 159,
3566 160, 161, 162, 163, 164, 165, 166, 167,
3567 168, 169, 170, 171, 172, 173, 174, 175,
3568 176, 177, 178, 179, 180, 181, 182, 183,
3569 184, 185, 186, 187, 188, 189, 190, 191,
3570 192, 193, 194, 195, 196, 197, 198, 199,
3571 200, 201, 202, 203, 204, 205, 206, 207,
3572 208, 209, 210, 211, 212, 213, 214, 215,
3573 216, 217, 218, 219, 220, 221, 222, 223,
3574 224, 225, 226, 227, 228, 229, 230, 231,
3575 232, 233, 234, 235, 236, 237, 238, 239,
3576 240, 241, 242, 243, 244, 245, 246, 247,
3577 248, 249, 250, 251, 252, 253, 254, 255
3578};
9d116dd7 3579#endif /* !EBCDIC */
79072805 3580#else
22c35a8c 3581EXTCONST unsigned char PL_fold[];
79072805
LW		 3582#endif
3583
27da23d5 3584#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3585#ifdef DOINIT
27da23d5 3586EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3587 0, 1, 2, 3, 4, 5, 6, 7,
3588 8, 9, 10, 11, 12, 13, 14, 15,
3589 16, 17, 18, 19, 20, 21, 22, 23,
3590 24, 25, 26, 27, 28, 29, 30, 31,
3591 32, 33, 34, 35, 36, 37, 38, 39,
3592 40, 41, 42, 43, 44, 45, 46, 47,
3593 48, 49, 50, 51, 52, 53, 54, 55,
3594 56, 57, 58, 59, 60, 61, 62, 63,
3595 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3596 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3597 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3598 'x', 'y', 'z', 91, 92, 93, 94, 95,
3599 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3600 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3601 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3602 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3603 128, 129, 130, 131, 132, 133, 134, 135,
3604 136, 137, 138, 139, 140, 141, 142, 143,
3605 144, 145, 146, 147, 148, 149, 150, 151,
3606 152, 153, 154, 155, 156, 157, 158, 159,
3607 160, 161, 162, 163, 164, 165, 166, 167,
3608 168, 169, 170, 171, 172, 173, 174, 175,
3609 176, 177, 178, 179, 180, 181, 182, 183,
3610 184, 185, 186, 187, 188, 189, 190, 191,
3611 192, 193, 194, 195, 196, 197, 198, 199,
3612 200, 201, 202, 203, 204, 205, 206, 207,
3613 208, 209, 210, 211, 212, 213, 214, 215,
3614 216, 217, 218, 219, 220, 221, 222, 223,
3615 224, 225, 226, 227, 228, 229, 230, 231,
3616 232, 233, 234, 235, 236, 237, 238, 239,
3617 240, 241, 242, 243, 244, 245, 246, 247,
3618 248, 249, 250, 251, 252, 253, 254, 255
3619};
3620#else
27da23d5 3621EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3622#endif
27da23d5 3623#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3624
3625#ifdef DOINIT
9d116dd7 3626#ifdef EBCDIC
27da23d5 3627EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3628 1, 2, 84, 151, 154, 155, 156, 157,
3629 165, 246, 250, 3, 158, 7, 18, 29,
3630 40, 51, 62, 73, 85, 96, 107, 118,
3631 129, 140, 147, 148, 149, 150, 152, 153,
3632 255, 6, 8, 9, 10, 11, 12, 13,
3633 14, 15, 24, 25, 26, 27, 28, 226,
3634 29, 30, 31, 32, 33, 43, 44, 45,
3635 46, 47, 48, 49, 50, 76, 77, 78,
3636 79, 80, 81, 82, 83, 84, 85, 86,
3637 87, 94, 95, 234, 181, 233, 187, 190,
3638 180, 96, 97, 98, 99, 100, 101, 102,
3639 104, 112, 182, 174, 236, 232, 229, 103,
3640 228, 226, 114, 115, 116, 117, 118, 119,
3641 120, 121, 122, 235, 176, 230, 194, 162,
3642 130, 131, 132, 133, 134, 135, 136, 137,
3643 138, 139, 201, 205, 163, 217, 220, 224,
3644 5, 248, 227, 244, 242, 255, 241, 231,
3645 240, 253, 16, 197, 19, 20, 21, 187,
3646 23, 169, 210, 245, 237, 249, 247, 239,
3647 168, 252, 34, 196, 36, 37, 38, 39,
3648 41, 42, 251, 254, 238, 223, 221, 213,
3649 225, 177, 52, 53, 54, 55, 56, 57,
3650 58, 59, 60, 61, 63, 64, 65, 66,
3651 67, 68, 69, 70, 71, 72, 74, 75,
3652 205, 208, 186, 202, 200, 218, 198, 179,
3653 178, 214, 88, 89, 90, 91, 92, 93,
3654 217, 166, 170, 207, 199, 209, 206, 204,
3655 160, 212, 105, 106, 108, 109, 110, 111,
3656 203, 113, 216, 215, 192, 175, 193, 243,
3657 172, 161, 123, 124, 125, 126, 127, 128,
3658 222, 219, 211, 195, 188, 193, 185, 184,
3659 191, 183, 141, 142, 143, 144, 145, 146
3660};
3661#else /* ascii rather than ebcdic */
22c35a8c 3662EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3663 1, 2, 84, 151, 154, 155, 156, 157,
3664 165, 246, 250, 3, 158, 7, 18, 29,
3665 40, 51, 62, 73, 85, 96, 107, 118,
3666 129, 140, 147, 148, 149, 150, 152, 153,
3667 255, 182, 224, 205, 174, 176, 180, 217,
3668 233, 232, 236, 187, 235, 228, 234, 226,
3669 222, 219, 211, 195, 188, 193, 185, 184,
3670 191, 183, 201, 229, 181, 220, 194, 162,
3671 163, 208, 186, 202, 200, 218, 198, 179,
3672 178, 214, 166, 170, 207, 199, 209, 206,
3673 204, 160, 212, 216, 215, 192, 175, 173,
3674 243, 172, 161, 190, 203, 189, 164, 230,
3675 167, 248, 227, 244, 242, 255, 241, 231,
3676 240, 253, 169, 210, 245, 237, 249, 247,
3677 239, 168, 252, 251, 254, 238, 223, 221,
3678 213, 225, 177, 197, 171, 196, 159, 4,
3679 5, 6, 8, 9, 10, 11, 12, 13,
3680 14, 15, 16, 17, 19, 20, 21, 22,
3681 23, 24, 25, 26, 27, 28, 30, 31,
3682 32, 33, 34, 35, 36, 37, 38, 39,
3683 41, 42, 43, 44, 45, 46, 47, 48,
3684 49, 50, 52, 53, 54, 55, 56, 57,
3685 58, 59, 60, 61, 63, 64, 65, 66,
3686 67, 68, 69, 70, 71, 72, 74, 75,
3687 76, 77, 78, 79, 80, 81, 82, 83,
3688 86, 87, 88, 89, 90, 91, 92, 93,
3689 94, 95, 97, 98, 99, 100, 101, 102,
3690 103, 104, 105, 106, 108, 109, 110, 111,
3691 112, 113, 114, 115, 116, 117, 119, 120,
3692 121, 122, 123, 124, 125, 126, 127, 128,
3693 130, 131, 132, 133, 134, 135, 136, 137,
3694 138, 139, 141, 142, 143, 144, 145, 146
3695};
9d116dd7 3696#endif
79072805 3697#else
22c35a8c 3698EXTCONST unsigned char PL_freq[];
79072805
LW		 3699#endif
3700
8990e307
LW		 3701#ifdef DEBUGGING
3702#ifdef DOINIT
27da23d5 3703EXTCONST char* const PL_block_type[] = {
8990e307
LW		 3704 "NULL",
3705 "SUB",
3706 "EVAL",
3707 "LOOP",
3708 "SUBST",
3709 "BLOCK",
3710};
3711#else
22c35a8c 3712EXTCONST char* PL_block_type[];
8990e307
LW		 3713#endif
3714#endif
3715
73c4f7a1
GS		 3716END_EXTERN_C
3717
79072805
LW		 3718/*****************************************************************************/
3719/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3720/*****************************************************************************/
8990e307 3721/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3722
d4c3c482 3723#ifdef __Lynx__
9cffb111
OS		 3724/* LynxOS defines these in scsi.h which is included via ioctl.h */
3725#ifdef FORMAT
3726#undef FORMAT
3727#endif
3728#ifdef SPACE
3729#undef SPACE
3730#endif
d4c3c482 3731#endif
9cffb111 3732
1fd33325
MHM		 3733/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3734 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3735 * it's not really needed.
3736 */
3737#if defined(WIN32)
3738# define YYTOKENTYPE
3739#endif
a0d0e21e
LW		 3740#include "perly.h"
3741
fb73857a 3742#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3743
79072805
LW		 3744typedef enum {
3745 XOPERATOR,
3746 XTERM,
79072805 3747 XREF,
8990e307 3748 XSTATE,
a0d0e21e 3749 XBLOCK,
09bef843
SB		 3750 XATTRBLOCK,
3751 XATTRTERM,
6f33ba73
RGS		 3752 XTERMBLOCK,
3753 XTERMORDORDOR /* evil hack */
27308ded 3754 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3755} expectation;
3756
dc9e4912
GS		 3757enum { /* pass one of these to get_vtbl */
3758 want_vtbl_sv,
3759 want_vtbl_env,
3760 want_vtbl_envelem,
3761 want_vtbl_sig,
3762 want_vtbl_sigelem,
3763 want_vtbl_pack,
3764 want_vtbl_packelem,
3765 want_vtbl_dbline,
3766 want_vtbl_isa,
3767 want_vtbl_isaelem,
3768 want_vtbl_arylen,
3769 want_vtbl_glob,
3770 want_vtbl_mglob,
3771 want_vtbl_nkeys,
3772 want_vtbl_taint,
3773 want_vtbl_substr,
3774 want_vtbl_vec,
3775 want_vtbl_pos,
3776 want_vtbl_bm,
3777 want_vtbl_fm,
3778 want_vtbl_uvar,
3779 want_vtbl_defelem,
3780 want_vtbl_regexp,
3781 want_vtbl_collxfrm,
3782 want_vtbl_amagic,
3783 want_vtbl_amagicelem,
dc9e4912 3784 want_vtbl_regdata,
810b8aa5 3785 want_vtbl_regdatum,
7e8c5dac 3786 want_vtbl_backref,
8d2f4536
NC		 3787 want_vtbl_utf8,
3788 want_vtbl_symtab
dc9e4912
GS		 3789};
3790
85e6fe83
LW		 3791 /* Note: the lowest 8 bits are reserved for
3792 stuffing into op->op_private */
f3aa04c2 3793#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3794#define HINT_INTEGER 0x00000001 /* integer pragma */
3795#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3796#define HINT_LOCALE 0x00000004 /* locale pragma */
3797#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3798/* #define HINT_notused10 0x00000010 */
a0ed51b3 3799 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3800 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3801
3802#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3803#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3804#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3805
9cfe5470 3806/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3807#define HINT_NEW_INTEGER 0x00001000
3808#define HINT_NEW_FLOAT 0x00002000
3809#define HINT_NEW_BINARY 0x00004000
3810#define HINT_NEW_STRING 0x00008000
3811#define HINT_NEW_RE 0x00010000
3812#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3813
9cfe5470
RGS		 3814#define HINT_RE_TAINT 0x00100000 /* re pragma */
3815#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3816
9cfe5470
RGS		 3817#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3818#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3819
8fa7688f 3820/* assertions pragma */
06492da6 3821#define HINT_ASSERTING 0x01000000
8fa7688f 3822#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3823
9cfe5470 3824/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3825#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3826#define HINT_SORT_QUICKSORT 0x00000001
3827#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6