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Re: a warning for a ExtUtils::ParseXS test
[perl5.git] / perl.h
CommitLineData
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,
a0288114 211 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 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)
a0288114 323# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 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
1936d2a7
NC		 806/* Round all values passed to malloc up, by default to a multiple of
807 sizeof(size_t)
808*/
809#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
810#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
811#endif
812
51371543
GS		 813#if defined(STANDARD_C) && defined(I_STDDEF)
814# include <stddef.h>
815# define STRUCT_OFFSET(s,m) offsetof(s,m)
816#else
817# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
818#endif
819
27da23d5
JH		 820#ifndef SYMBIAN
821# if defined(I_STRING) || defined(__cplusplus)
822# include <string.h>
823# else
824# include <strings.h>
825# endif
51371543
GS		 826#endif
827
55497cff 828/* This comes after <stdlib.h> so we don't try to change the standard
829 * library prototypes; we'll use our own in proto.h instead. */
03a14243 830
4633a7c4 831#ifdef MYMALLOC
86058a2d 832# ifdef PERL_POLLUTE_MALLOC
ee13e175 833# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 834# define Perl_malloc malloc
835# define Perl_calloc calloc
836# define Perl_realloc realloc
837# define Perl_mfree free
ee13e175 838# endif
86058a2d
GS		 839# else
840# define EMBEDMYMALLOC /* for compatibility */
841# endif
827e134a 842
651b9576
GS		 843# define safemalloc Perl_malloc
844# define safecalloc Perl_calloc
845# define saferealloc Perl_realloc
846# define safefree Perl_mfree
22f7c9c9
JH		 847# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
848 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
849 code; \
850 } STMT_END
851# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
852 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
853# define panic_write2(s) write(2, s, strlen(s))
854# define CHECK_MALLOC_TAINT(newval) \
855 CHECK_MALLOC_TOO_LATE_FOR_( \
856 if (newval) { \
857 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
858 exit(1); })
22f7c9c9 859# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 860 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 861 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
862 }} STMT_END;
f2517201
GS		 863#else /* MYMALLOC */
864# define safemalloc safesysmalloc
865# define safecalloc safesyscalloc
866# define saferealloc safesysrealloc
867# define safefree safesysfree
22f7c9c9
JH		 868# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
869# define CHECK_MALLOC_TAINT(newval) ((void)0)
870# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 871#endif /* MYMALLOC */
4633a7c4 872
27da23d5 873#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		 874#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
875#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
876#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
877
a0d0e21e
LW		 878#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
879#define strchr index
880#define strrchr rindex
881#endif
882
16d20bd9
AD		 883#ifdef I_MEMORY
884# include <memory.h>
885#endif
886
fe14fcc3 887#ifdef HAS_MEMCPY
85e6fe83 888# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 889# ifndef memcpy
20ce7b12 890 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 891# endif
892# endif
893#else
894# ifndef memcpy
895# ifdef HAS_BCOPY
896# define memcpy(d,s,l) bcopy(s,d,l)
897# else
898# define memcpy(d,s,l) my_bcopy(s,d,l)
899# endif
900# endif
901#endif /* HAS_MEMCPY */
fe14fcc3 902
ee0007ab 903#ifdef HAS_MEMSET
85e6fe83 904# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 905# ifndef memset
20ce7b12 906 extern char *memset (char*, int, int);
ee0007ab
LW		 907# endif
908# endif
ee0007ab 909#else
12ae5dfc 910# undef memset
fc36a67e 911# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 912#endif /* HAS_MEMSET */
913
85e6fe83 914#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 915# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 916# define memmove(d,s,l) bcopy(s,d,l)
917# else
2304df62 918# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 919# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 920# else
79072805 921# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 922# endif
352d5a3a 923# endif
d9d8d8de 924#endif
ee0007ab 925
36477c24 926#if defined(mips) && defined(ultrix) && !defined(__STDC__)
927# undef HAS_MEMCMP
928#endif
929
930#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 931# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 932# ifndef memcmp
20ce7b12 933 extern int memcmp (char*, char*, int);
ee0007ab
LW		 934# endif
935# endif
36477c24 936# ifdef BUGGY_MSC
7e4e8c89 937# pragma function(memcmp)
36477c24 938# endif
ee0007ab
LW		 939#else
940# ifndef memcmp
ecfc5424 941# define memcmp my_memcmp
352d5a3a 942# endif
36477c24 943#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 944
fc36a67e 945#ifndef memzero
c635e13b 946# ifdef HAS_MEMSET
947# define memzero(d,l) memset(d,0,l)
79072805 948# else
c635e13b 949# ifdef HAS_BZERO
950# define memzero(d,l) bzero(d,l)
79072805 951# else
fc36a67e 952# define memzero(d,l) my_bzero(d,l)
79072805
LW		 953# endif
954# endif
d9d8d8de 955#endif
378cc40b 956
2f42fcb0 957#ifndef PERL_MICRO
0f27ced1
JH		 958#ifndef memchr
959# ifndef HAS_MEMCHR
960# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
961# endif
962#endif
2f42fcb0 963#endif
0f27ced1 964
36477c24 965#ifndef HAS_BCMP
966# ifndef bcmp
967# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 968# endif
36477c24 969#endif /* !HAS_BCMP */
378cc40b 970
ae986130 971#ifdef I_NETINET_IN
79072805 972# include <netinet/in.h>
ae986130
LW		 973#endif
974
28e8609d
JH		 975#ifdef I_ARPA_INET
976# include <arpa/inet.h>
977#endif
978
84902520
TB		 979#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
980/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
981 * (the neo-BSD seem to do this). */
982# undef SF_APPEND
983#endif
984
1aef975c 985#ifdef I_SYS_STAT
84902520 986# include <sys/stat.h>
1aef975c 987#endif
79072805 988
a0d0e21e
LW		 989/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
990 like UTekV) are broken, sometimes giving false positives. Undefine
991 them here and let the code below set them to proper values.
992
993 The ghs macro stands for GreenHills Software C-1.8.5 which
994 is the C compiler for sysV88 and the various derivatives.
995 This header file bug is corrected in gcc-2.5.8 and later versions.
996 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
997
998#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 999# undef S_ISDIR
1000# undef S_ISCHR
1001# undef S_ISBLK
1002# undef S_ISREG
1003# undef S_ISFIFO
1004# undef S_ISLNK
ee0007ab 1005#endif
135863df 1006
663a0e37
LW		 1007#ifdef I_TIME
1008# include <time.h>
ffed7fef 1009#endif
663a0e37 1010
fe14fcc3 1011#ifdef I_SYS_TIME
85e6fe83 1012# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1013# define KERNEL
1014# endif
1015# include <sys/time.h>
85e6fe83 1016# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1017# undef KERNEL
1018# endif
a687059c 1019#endif
135863df 1020
55497cff 1021#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1022# include <sys/times.h>
d9d8d8de 1023#endif
8d063cd8 1024
fe14fcc3 1025#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1026# undef HAS_STRERROR
663a0e37
LW		 1027#endif
1028
1029#include <errno.h>
1e743fda 1030
acfe0abc 1031#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1032# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1033#endif
1034
8cfab5ff
JH		 1035/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1036 * This is important for using IPv6.
1037 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1038 * a bad idea since it breaks send() and recv(). */
1039#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1040# define _SOCKADDR_LEN
1041#endif
1042
8d3f517a 1043#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1044# include <sys/socket.h>
1045# if defined(USE_SOCKS) && defined(I_SOCKS)
1046# if !defined(INCLUDE_PROTOTYPES)
1047# define INCLUDE_PROTOTYPES /* for <socks.h> */
1048# define PERL_SOCKS_NEED_PROTOTYPES
1049# endif
1050# include <socks.h>
1051# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1052# undef INCLUDE_PROTOTYPES
1053# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1054# endif
d460ef45 1055# endif
1e743fda 1056# ifdef I_NETDB
2986a63f
JH		 1057# ifdef NETWARE
1058# include<stdio.h>
1059# endif
1e743fda
JH		 1060# include <netdb.h>
1061# endif
1062# ifndef ENOTSOCK
1063# ifdef I_NET_ERRNO
1064# include <net/errno.h>
1065# endif
1066# endif
1067#endif
1068
fa0a29af 1069/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1070 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1071 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1072#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1073# if defined(__THROW) && defined(__GLIBC__)
1074int sockatmark(int) __THROW;
1075# else
2ef53570 1076int sockatmark(int);
29820b6d 1077# endif
2ef53570
JH		 1078#endif
1079
1e743fda
JH		 1080#ifdef SETERRNO
1081# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1082#endif
f86702cc 1083
1084#ifdef VMS
1085# define SETERRNO(errcode,vmserrcode) \
1086 STMT_START { \
1087 set_errno(errcode); \
1088 set_vaxc_errno(vmserrcode); \
1089 } STMT_END
93189314
JH		 1090# define LIB_INVARG LIB$_INVARG
1091# define RMS_DIR RMS$_DIR
1092# define RMS_FAC RMS$_FAC
1093# define RMS_FEX RMS$_FEX
1094# define RMS_FNF RMS$_FNF
1095# define RMS_IFI RMS$_IFI
1096# define RMS_ISI RMS$_ISI
1097# define RMS_PRV RMS$_PRV
1098# define SS_ACCVIO SS$_ACCVIO
1099# define SS_DEVOFFLINE SS$_DEVOFFLINE
1100# define SS_IVCHAN SS$_IVCHAN
1101# define SS_NORMAL SS$_NORMAL
748a9306 1102#else
aba27d88 1103# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1104# define LIB_INVARG 0
1105# define RMS_DIR 0
1106# define RMS_FAC 0
1107# define RMS_FEX 0
1108# define RMS_FNF 0
1109# define RMS_IFI 0
1110# define RMS_ISI 0
1111# define RMS_PRV 0
1112# define SS_ACCVIO 0
1113# define SS_DEVOFFLINE 0
1114# define SS_IVCHAN 0
1115# define SS_NORMAL 0
748a9306 1116#endif
ed6116ce 1117
3db8f154
MB		 1118#define ERRSV GvSV(PL_errgv)
1119#define DEFSV GvSV(PL_defgv)
1120#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1121
98eae8f5
GS		 1122#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1123
55497cff 1124#ifndef errno
5ff3f7a4
GS		 1125 extern int errno; /* ANSI allows errno to be an lvalue expr.
1126 * For example in multithreaded environments
1127 * something like this might happen:
1128 * extern int *_errno(void);
1129 * #define errno (*_errno()) */
d9d8d8de 1130#endif
663a0e37 1131
2304df62 1132#ifdef HAS_STRERROR
a0d0e21e 1133# ifdef VMS
20ce7b12 1134 char *strerror (int,...);
a0d0e21e 1135# else
68dc0745 1136#ifndef DONT_DECLARE_STD
20ce7b12 1137 char *strerror (int);
68dc0745 1138#endif
a0d0e21e 1139# endif
2304df62
AD		 1140# ifndef Strerror
1141# define Strerror strerror
1142# endif
1143#else
1144# ifdef HAS_SYS_ERRLIST
79072805
LW		 1145 extern int sys_nerr;
1146 extern char *sys_errlist[];
2304df62
AD		 1147# ifndef Strerror
1148# define Strerror(e) \
79072805 1149 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1150# endif
79072805 1151# endif
35c8bce7 1152#endif
663a0e37 1153
2304df62 1154#ifdef I_SYS_IOCTL
79072805
LW		 1155# ifndef _IOCTL_
1156# include <sys/ioctl.h>
1157# endif
a687059c
LW		 1158#endif
1159
ee0007ab 1160#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1161# ifdef HAS_SOCKETPAIR
1162# undef HAS_SOCKETPAIR
1163# endif
2304df62
AD		 1164# ifdef I_NDBM
1165# undef I_NDBM
79072805 1166# endif
a687059c
LW		 1167#endif
1168
02fc2eee
NC		 1169#ifndef HAS_SOCKETPAIR
1170# ifdef HAS_SOCKET
1171# define socketpair Perl_my_socketpair
1172# endif
1173#endif
1174
a687059c 1175#if INTSIZE == 2
79072805
LW		 1176# define htoni htons
1177# define ntohi ntohs
a687059c 1178#else
79072805
LW		 1179# define htoni htonl
1180# define ntohi ntohl
a687059c
LW		 1181#endif
1182
a0d0e21e 1183/* Configure already sets Direntry_t */
35c8bce7 1184#if defined(I_DIRENT)
663a0e37 1185# include <dirent.h>
8f1f23e8
W		 1186 /* NeXT needs dirent + sys/dir.h */
1187# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1188# include <sys/dir.h>
1189# endif
ae986130 1190#else
fe14fcc3 1191# ifdef I_SYS_NDIR
79a0689e 1192# include <sys/ndir.h>
663a0e37 1193# else
fe14fcc3 1194# ifdef I_SYS_DIR
79a0689e
LW		 1195# ifdef hp9000s500
1196# include <ndir.h> /* may be wrong in the future */
1197# else
1198# include <sys/dir.h>
1199# endif
663a0e37
LW		 1200# endif
1201# endif
4633a7c4 1202#endif
a687059c 1203
12ae5dfc
JH		 1204#ifdef PERL_MICRO
1205# ifndef DIR
1206# define DIR void
1207# endif
1208#endif
1209
352d5a3a
LW		 1210#ifdef FPUTS_BOTCH
1211/* work around botch in SunOS 4.0.1 and 4.0.2 */
1212# ifndef fputs
79072805 1213# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1214# endif
1215#endif
1216
c623bd54
LW		 1217/*
1218 * The following gobbledygook brought to you on behalf of __STDC__.
1219 * (I could just use #ifndef __STDC__, but this is more bulletproof
1220 * in the face of half-implementations.)
1221 */
1222
7114a2d2 1223#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1224#include <sys/mode.h>
1225#endif
1226
c623bd54
LW		 1227#ifndef S_IFMT
1228# ifdef _S_IFMT
1229# define S_IFMT _S_IFMT
1230# else
1231# define S_IFMT 0170000
1232# endif
1233#endif
1234
1235#ifndef S_ISDIR
1236# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1237#endif
1238
1239#ifndef S_ISCHR
1240# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1241#endif
1242
1243#ifndef S_ISBLK
fe14fcc3
LW		 1244# ifdef S_IFBLK
1245# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1246# else
1247# define S_ISBLK(m) (0)
1248# endif
c623bd54
LW		 1249#endif
1250
1251#ifndef S_ISREG
1252# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1253#endif
1254
1255#ifndef S_ISFIFO
fe14fcc3
LW		 1256# ifdef S_IFIFO
1257# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1258# else
1259# define S_ISFIFO(m) (0)
1260# endif
c623bd54
LW		 1261#endif
1262
1263#ifndef S_ISLNK
1264# ifdef _S_ISLNK
1265# define S_ISLNK(m) _S_ISLNK(m)
1266# else
1267# ifdef _S_IFLNK
1268# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1269# else
1270# ifdef S_IFLNK
1271# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1272# else
1273# define S_ISLNK(m) (0)
1274# endif
1275# endif
1276# endif
1277#endif
1278
1279#ifndef S_ISSOCK
1280# ifdef _S_ISSOCK
1281# define S_ISSOCK(m) _S_ISSOCK(m)
1282# else
1283# ifdef _S_IFSOCK
1284# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1285# else
1286# ifdef S_IFSOCK
1287# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1288# else
1289# define S_ISSOCK(m) (0)
1290# endif
1291# endif
1292# endif
1293#endif
1294
1295#ifndef S_IRUSR
1296# ifdef S_IREAD
1297# define S_IRUSR S_IREAD
1298# define S_IWUSR S_IWRITE
1299# define S_IXUSR S_IEXEC
1300# else
1301# define S_IRUSR 0400
1302# define S_IWUSR 0200
1303# define S_IXUSR 0100
1304# endif
fac7cdfc
JS		 1305#endif
1306
1307#ifndef S_IRGRP
1308# ifdef S_IRUSR
1309# define S_IRGRP (S_IRUSR>>3)
1310# define S_IWGRP (S_IWUSR>>3)
1311# define S_IXGRP (S_IXUSR>>3)
1312# else
1313# define S_IRGRP 0040
1314# define S_IWGRP 0020
1315# define S_IXGRP 0010
1316# endif
1317#endif
1318
1319#ifndef S_IROTH
1320# ifdef S_IRUSR
1321# define S_IROTH (S_IRUSR>>6)
1322# define S_IWOTH (S_IWUSR>>6)
1323# define S_IXOTH (S_IXUSR>>6)
1324# else
1325# define S_IROTH 0040
1326# define S_IWOTH 0020
1327# define S_IXOTH 0010
1328# endif
c623bd54
LW		 1329#endif
1330
1331#ifndef S_ISUID
1332# define S_ISUID 04000
1333#endif
1334
1335#ifndef S_ISGID
1336# define S_ISGID 02000
1337#endif
1338
ca6e1c26
JH		 1339#ifndef S_IRWXU
1340# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1341#endif
ca6e1c26
JH		 1342
1343#ifndef S_IRWXG
1344# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1345#endif
ca6e1c26
JH		 1346
1347#ifndef S_IRWXO
1348# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1349#endif
ca6e1c26 1350
c21fb2b8
JH		 1351/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1352 * which would get included through <sys/file.h >, but that is 3000
1353 * lines in the future. --jhi */
1354
1355#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1356# define S_IREAD S_IRUSR
1357#endif
1358
c21fb2b8 1359#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1360# define S_IWRITE S_IWUSR
1361#endif
1362
1363#ifndef S_IEXEC
1364# define S_IEXEC S_IXUSR
1365#endif
1366
79072805
LW		 1367#ifdef ff_next
1368# undef ff_next
352d5a3a
LW		 1369#endif
1370
a0d0e21e 1371#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1372# define SLOPPYDIVIDE
1373#endif
1374
748a9306
LW		 1375#ifdef UV
1376#undef UV
1377#endif
1378
c89df6bf
JH		 1379#ifdef SPRINTF_E_BUG
1380# define sprintf UTS_sprintf_wrap
1381#endif
1382
c495e728
JH		 1383/* Configure gets this right but the UTS compiler gets it wrong.
1384 -- Hal Morris <hom00@utsglobal.com> */
1385#ifdef UTS
1386# undef UVTYPE
1387# define UVTYPE unsigned
1388#endif
1389
05f13f53 1390/*
27d4fb96 1391 The IV type is supposed to be long enough to hold any integral
1392 value or a pointer.
1393 --Andy Dougherty August 1996
1394*/
1395
a22e52b9
JH		 1396typedef IVTYPE IV;
1397typedef UVTYPE UV;
8175356b 1398
10cc9d2a 1399#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1400# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1401# define IV_MAX INT64_MAX
1402# define IV_MIN INT64_MIN
1403# define UV_MAX UINT64_MAX
cae7ae48
JH		 1404# ifndef UINT64_MIN
1405# define UINT64_MIN 0
1406# endif
5ff3f7a4
GS		 1407# define UV_MIN UINT64_MIN
1408# else
1409# define IV_MAX PERL_QUAD_MAX
1410# define IV_MIN PERL_QUAD_MIN
1411# define UV_MAX PERL_UQUAD_MAX
1412# define UV_MIN PERL_UQUAD_MIN
1413# endif
cf2093f6
JH		 1414# define IV_IS_QUAD
1415# define UV_IS_QUAD
79072805 1416#else
8175356b 1417# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1418# define IV_MAX INT32_MAX
1419# define IV_MIN INT32_MIN
716026f9
DL		 1420# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1421# define UV_MAX UINT32_MAX
1422# else
1423# define UV_MAX 4294967295U
1424# endif
cae7ae48
JH		 1425# ifndef UINT32_MIN
1426# define UINT32_MIN 0
1427# endif
5ff3f7a4
GS		 1428# define UV_MIN UINT32_MIN
1429# else
1430# define IV_MAX PERL_LONG_MAX
1431# define IV_MIN PERL_LONG_MIN
1432# define UV_MAX PERL_ULONG_MAX
1433# define UV_MIN PERL_ULONG_MIN
1434# endif
8175356b 1435# if IVSIZE == 8
cf2093f6
JH		 1436# define IV_IS_QUAD
1437# define UV_IS_QUAD
de1c2614
JH		 1438# ifndef HAS_QUAD
1439# define HAS_QUAD
1440# endif
cf2093f6
JH		 1441# else
1442# undef IV_IS_QUAD
1443# undef UV_IS_QUAD
de1c2614 1444# undef HAS_QUAD
cf2093f6 1445# endif
79072805 1446#endif
d7d93a81 1447
1109a392
MHM		 1448#ifndef HAS_QUAD
1449# undef PERL_NEED_MY_HTOLE64
1450# undef PERL_NEED_MY_LETOH64
1451# undef PERL_NEED_MY_HTOBE64
1452# undef PERL_NEED_MY_BETOH64
1453#endif
1454
6cde8aec 1455#if defined(uts) || defined(UTS)
11afe549
HM		 1456# undef UV_MAX
1457# define UV_MAX (4294967295u)
20601011
JH		 1458#endif
1459
cae7ae48 1460#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1461#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1462
28e5dec8 1463#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1464#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1465#endif
1466
d460ef45 1467/*
26bb67e2
JH		 1468 * The macros INT2PTR and NUM2PTR are (despite their names)
1469 * bi-directional: they will convert int/float to or from pointers.
1470 * However the conversion to int/float are named explicitly:
1471 * PTR2IV, PTR2UV, PTR2NV.
1472 *
1473 * For int conversions we do not need two casts if pointers are
1474 * the same size as IV and UV. Otherwise we need an explicit
1475 * cast (PTRV) to avoid compiler warnings.
1476 */
56431972
RB		 1477#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1478# define PTRV UV
1479# define INT2PTR(any,d) (any)(d)
1480#else
d460ef45 1481# if PTRSIZE == LONGSIZE
56431972 1482# define PTRV unsigned long
42718184 1483# else
56431972 1484# define PTRV unsigned
42718184 1485# endif
56431972 1486# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1487#endif
56431972
RB		 1488#define NUM2PTR(any,d) (any)(PTRV)(d)
1489#define PTR2IV(p) INT2PTR(IV,p)
1490#define PTR2UV(p) INT2PTR(UV,p)
1491#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1492#if PTRSIZE == LONGSIZE
d2560b70
RB		 1493# define PTR2ul(p) (unsigned long)(p)
1494#else
1495# define PTR2ul(p) INT2PTR(unsigned long,p)
1496#endif
d460ef45 1497
8141890a
JH		 1498/* According to strict ANSI C89 one cannot freely cast between
1499 * data pointers and function (code) pointers. There are at least
1500 * two ways around this. One (used below) is to do two casts,
1501 * first the other pointer to an (unsigned) integer, and then
1502 * the integer to the other pointer. The other way would be
1503 * to use unions to "overlay" the pointers. For an example of
1504 * the latter technique, see union dirpu in struct xpvio in sv.h.
1505 * The only feasible use is probably temporarily storing
1506 * function pointers in a data pointer (such as a void pointer). */
1507
1508#define DPTR2FPTR(t,p) ((t)PTR2UV(p)) /* data pointer to function pointer */
1509#define FPTR2DPTR(t,p) ((t)PTR2UV(p)) /* function pointer to data pointer */
1510
65202027 1511#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1512# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1513# define LONG_DOUBLE_EQUALS_DOUBLE
1514# endif
68d4903c 1515# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1516# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1517# endif
1518#endif
1519
2d4389e4
JH		 1520#ifdef OVR_DBL_DIG
1521/* Use an overridden DBL_DIG */
1522# ifdef DBL_DIG
1523# undef DBL_DIG
1524# endif
1525# define DBL_DIG OVR_DBL_DIG
1526#else
1527/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1528 default value for printing floating point numbers in Gconvert
1529 (see config.h). (It also has other uses, such as figuring out if
1530 a given precision of printing can be done with a double instead of
1531 a long double - Allen).
2d4389e4
JH		 1532*/
1533#ifdef I_LIMITS
1534#include <limits.h>
1535#endif
1536#ifdef I_FLOAT
1537#include <float.h>
1538#endif
1539#ifndef HAS_DBL_DIG
1540#define DBL_DIG 15 /* A guess that works lots of places */
1541#endif
1542#endif
cbca01e1
JH		 1543#ifdef I_FLOAT
1544#include <float.h>
1545#endif
1546#ifndef HAS_DBL_DIG
1547#define DBL_DIG 15 /* A guess that works lots of places */
1548#endif
2d4389e4
JH		 1549
1550#ifdef OVR_LDBL_DIG
1551/* Use an overridden LDBL_DIG */
1552# ifdef LDBL_DIG
1553# undef LDBL_DIG
1554# endif
1555# define LDBL_DIG OVR_LDBL_DIG
1556#else
1557/* The following is all to get LDBL_DIG, in order to pick a nice
1558 default value for printing floating point numbers in Gconvert.
1559 (see config.h)
1560*/
68d4903c
JH		 1561# ifdef I_LIMITS
1562# include <limits.h>
1563# endif
1564# ifdef I_FLOAT
1565# include <float.h>
1566# endif
1567# ifndef HAS_LDBL_DIG
1568# if LONG_DOUBLESIZE == 10
1569# define LDBL_DIG 18 /* assume IEEE */
1570# else
1571# if LONG_DOUBLESIZE == 12
1572# define LDBL_DIG 18 /* gcc? */
1573# else
1574# if LONG_DOUBLESIZE == 16
1575# define LDBL_DIG 33 /* assume IEEE */
1576# else
1577# if LONG_DOUBLESIZE == DOUBLESIZE
1578# define LDBL_DIG DBL_DIG /* bummer */
1579# endif
1580# endif
1581# endif
1582# endif
1583# endif
2d4389e4
JH		 1584#endif
1585
20f6aaab
AS		 1586/*
1587 * This is for making sure we have a good DBL_MAX value, if possible,
1588 * either for usage as NV_MAX or for usage in figuring out if we can
1589 * fit a given long double into a double, if bug-fixing makes it
1590 * necessary to do so. - Allen <allens@cpan.org>
1591 */
1592
205f51d8
AS		 1593#ifdef I_LIMITS
1594# include <limits.h>
20f6aaab
AS		 1595#endif
1596
205f51d8
AS		 1597#ifdef I_VALUES
1598# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1599# include <values.h>
1600# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1601# define DBL_MAX MAXDOUBLE
1602# endif
1603# if defined(MINDOUBLE) && !defined(DBL_MIN)
1604# define DBL_MIN MINDOUBLE
1605# endif
1606# endif
1607#endif /* defined(I_VALUES) */
1608
a22e52b9 1609typedef NVTYPE NV;
8175356b 1610
792d8dab
JH		 1611#ifdef I_IEEEFP
1612# include <ieeefp.h>
1613#endif
923fc586 1614
65202027 1615#ifdef USE_LONG_DOUBLE
923fc586
JH		 1616# ifdef I_SUNMATH
1617# include <sunmath.h>
1618# endif
2d4389e4 1619# define NV_DIG LDBL_DIG
d6c14000
JH		 1620# ifdef LDBL_MANT_DIG
1621# define NV_MANT_DIG LDBL_MANT_DIG
1622# endif
06fc1729
JH		 1623# ifdef LDBL_MIN
1624# define NV_MIN LDBL_MIN
1625# endif
1626# ifdef LDBL_MAX
1627# define NV_MAX LDBL_MAX
1628# endif
1629# ifdef LDBL_MIN_10_EXP
1630# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1631# endif
1632# ifdef LDBL_MAX_10_EXP
1633# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1634# endif
1635# ifdef LDBL_EPSILON
1636# define NV_EPSILON LDBL_EPSILON
1637# endif
f4a14a62
JH		 1638# ifdef LDBL_MAX
1639# define NV_MAX LDBL_MAX
20f6aaab 1640/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1641# else
1642# ifdef HUGE_VALL
1643# define NV_MAX HUGE_VALL
1644# else
1645# ifdef HUGE_VAL
1646# define NV_MAX ((NV)HUGE_VAL)
1647# endif
1648# endif
1649# endif
68d4903c 1650# ifdef HAS_SQRTL
68d4903c
JH		 1651# define Perl_cos cosl
1652# define Perl_sin sinl
1653# define Perl_sqrt sqrtl
1654# define Perl_exp expl
1655# define Perl_log logl
1656# define Perl_atan2 atan2l
1657# define Perl_pow powl
1658# define Perl_floor floorl
1bbae031 1659# define Perl_ceil ceill
68d4903c
JH		 1660# define Perl_fmod fmodl
1661# endif
a3540c92
JH		 1662/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1663# ifdef HAS_MODFL
1664# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1665/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1666 prototype in <math.h> */
1667# ifndef HAS_MODFL_PROTO
a221a8a5 1668EXTERN_C long double modfl(long double, long double *);
51997bc3 1669# endif
03476e8e
JH		 1670# else
1671# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1672 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1673# define Perl_modf(x,y) Perl_my_modfl(x,y)
1674# endif
a3540c92
JH		 1675# endif
1676# ifdef HAS_FREXPL
dff3e0b8 1677# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1678# else
1679# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1680 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1681# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1682# endif
a3540c92 1683# endif
38dbb4c5 1684# ifndef Perl_isnan
758a5d79
JH		 1685# ifdef HAS_ISNANL
1686# define Perl_isnan(x) isnanl(x)
1687# endif
1688# endif
1689# ifndef Perl_isinf
1690# ifdef HAS_FINITEL
1691# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1692# endif
1693# endif
65202027 1694#else
2d4389e4 1695# define NV_DIG DBL_DIG
d6c14000
JH		 1696# ifdef DBL_MANT_DIG
1697# define NV_MANT_DIG DBL_MANT_DIG
1698# endif
06fc1729
JH		 1699# ifdef DBL_MIN
1700# define NV_MIN DBL_MIN
1701# endif
1702# ifdef DBL_MAX
1703# define NV_MAX DBL_MAX
1704# endif
1705# ifdef DBL_MIN_10_EXP
1706# define NV_MIN_10_EXP DBL_MIN_10_EXP
1707# endif
1708# ifdef DBL_MAX_10_EXP
1709# define NV_MAX_10_EXP DBL_MAX_10_EXP
1710# endif
1711# ifdef DBL_EPSILON
1712# define NV_EPSILON DBL_EPSILON
1713# endif
205f51d8 1714# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1715# define NV_MAX DBL_MAX
1716# define NV_MIN DBL_MIN
1717# else
1718# ifdef HUGE_VAL
1719# define NV_MAX HUGE_VAL
1720# endif
1721# endif
65202027
DS		 1722# define Perl_cos cos
1723# define Perl_sin sin
1724# define Perl_sqrt sqrt
1725# define Perl_exp exp
1726# define Perl_log log
1727# define Perl_atan2 atan2
1728# define Perl_pow pow
1729# define Perl_floor floor
1bbae031 1730# define Perl_ceil ceil
65202027 1731# define Perl_fmod fmod
a3540c92 1732# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1733# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1734#endif
1735
1736/* rumor has it that Win32 has _fpclass() */
1737
205f51d8
AS		 1738/* SGI has fpclassl... but not with the same result values,
1739 * and it's via a typedef (not via #define), so will need to redo Configure
1740 * to use. Not worth the trouble, IMO, at least until the below is used
1741 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1742 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1743 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1744
758a5d79
JH		 1745#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1746# ifdef I_IEEFP
1747# include <ieeefp.h>
1748# endif
1749# ifdef I_FP
1750# include <fp.h>
1751# endif
1752# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1753# define Perl_fp_class() fpclassl(x)
1754# else
1755# define Perl_fp_class() fpclass(x)
1756# endif
1757# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1758# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1759# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1760# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1761# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1762# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1763# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1764# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1765# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1766# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1767# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1768# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1769# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1770# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1771# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1772#endif
1773
7114a2d2 1774#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1775# include <math.h>
1776# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1777# include <fp_class.h>
1778# endif
1779# define Perl_fp_class(x) fp_class(x)
1780# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1781# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1782# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1783# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1784# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1785# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1786# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1787# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1788# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1789# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1790# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1791# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1792# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1793# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1794# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1795#endif
1796
1797#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1798# include <math.h>
1799# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1800# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1801# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1802# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1803# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1804# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1805#endif
1806
1807#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1808# include <math.h>
1809# ifndef _cplusplus
1810# define Perl_fp_class(x) class(x)
1811# else
1812# define Perl_fp_class(x) _class(x)
1813# endif
1814# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1815# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1816# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1817# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1818# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1819# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1820# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1821# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1822# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1823# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1824# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1825# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1826# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1827# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1828# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1829#endif
1830
1831/* rumor has it that Win32 has _isnan() */
1832
1833#ifndef Perl_isnan
a3540c92 1834# ifdef HAS_ISNAN
758a5d79
JH		 1835# define Perl_isnan(x) isnan((NV)x)
1836# else
1837# ifdef Perl_fp_class_nan
1838# define Perl_isnan(x) Perl_fp_class_nan(x)
1839# else
1840# ifdef HAS_UNORDERED
1841# define Perl_isnan(x) unordered((x), 0.0)
1842# else
1843# define Perl_isnan(x) ((x)!=(x))
1844# endif
1845# endif
1846# endif
1847#endif
1848
ca6c63e1
JH		 1849#ifdef UNDER_CE
1850int isnan(double d);
1851#endif
1852
758a5d79
JH		 1853#ifndef Perl_isinf
1854# ifdef HAS_ISINF
1855# define Perl_isinf(x) isinf((NV)x)
a3540c92 1856# else
758a5d79
JH		 1857# ifdef Perl_fp_class_inf
1858# define Perl_isinf(x) Perl_fp_class_inf(x)
1859# else
1860# define Perl_isinf(x) ((x)==NV_INF)
1861# endif
1862# endif
1863#endif
1864
1865#ifndef Perl_isfinite
1866# ifdef HAS_FINITE
1867# define Perl_isfinite(x) finite((NV)x)
1868# else
1869# ifdef HAS_ISFINITE
1870# define Perl_isfinite(x) isfinite(x)
1871# else
1872# ifdef Perl_fp_class_finite
1873# define Perl_isfinite(x) Perl_fp_class_finite(x)
1874# else
1875# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1876# endif
1877# endif
a3540c92 1878# endif
65202027
DS		 1879#endif
1880
a36244b7
JH		 1881/* The default is to use Perl's own atof() implementation (in numeric.c).
1882 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1883 * it is however best to use the native implementation of atof.
1884 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1885 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1886 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1887 * you may need to be using a different function than atof! */
a36244b7
JH		 1888
1889#ifndef USE_PERL_ATOF
1890# ifndef _UNICOS
1891# define USE_PERL_ATOF
1892# endif
1893#else
1894# if USE_PERL_ATOF == 0
1895# undef USE_PERL_ATOF
1896# endif
1897#endif
1898
1899#ifdef USE_PERL_ATOF
1900# define Perl_atof(s) Perl_my_atof(s)
1901# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1902#else
1903# define Perl_atof(s) (NV)atof(s)
1904# define Perl_atof2(s, n) ((n) = atof(s))
1905#endif
cf2093f6 1906
d460ef45 1907/* Previously these definitions used hardcoded figures.
760ac839
LW		 1908 * It is hoped these formula are more portable, although
1909 * no data one way or another is presently known to me.
1910 * The "PERL_" names are used because these calculated constants
1911 * do not meet the ANSI requirements for LONG_MAX, etc., which
1912 * need to be constants acceptable to #if - kja
1913 * define PERL_LONG_MAX 2147483647L
1914 * define PERL_LONG_MIN (-LONG_MAX - 1)
1915 * define PERL ULONG_MAX 4294967295L
1916 */
1917
1918#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1919# include <limits.h>
760ac839 1920#endif
205f51d8
AS		 1921/* Included values.h above if necessary; still including limits.h down here,
1922 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1923
99abf803 1924/*
1925 * Try to figure out max and min values for the integral types. THE CORRECT
1926 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1927 * following hacks are used if neither limits.h or values.h provide them:
1928 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1929 * for types < int: (unsigned TYPE)~(unsigned)0
1930 * The argument to ~ must be unsigned so that later signed->unsigned
1931 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1932 * and it must not be smaller than int because ~ does integral promotion.
1933 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1934 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1935 * The latter is a hack which happens to work on some machines but
1936 * does *not* catch any random system, or things like integer types
1937 * with NaN if that is possible.
1938 *
1939 * All of the types are explicitly cast to prevent accidental loss of
1940 * numeric range, and in the hope that they will be less likely to confuse
1941 * over-eager optimizers.
1942 *
1943 */
27d4fb96 1944
99abf803 1945#define PERL_UCHAR_MIN ((unsigned char)0)
1946
1947#ifdef UCHAR_MAX
1948# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1949#else
99abf803 1950# ifdef MAXUCHAR
1951# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1952# else
99abf803 1953# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1954# endif
1955#endif
d460ef45 1956
99abf803 1957/*
1958 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1959 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1960 * depending on local options. Until Configure detects this (or at least
1961 * detects whether the "signed" keyword is available) the CHAR ranges
1962 * will not be included. UCHAR functions normally.
1963 * - kja
1964 */
27d4fb96 1965
99abf803 1966#define PERL_USHORT_MIN ((unsigned short)0)
1967
1968#ifdef USHORT_MAX
1969# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1970#else
99abf803 1971# ifdef MAXUSHORT
1972# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1973# else
ef2f54b0
CB		 1974# ifdef USHRT_MAX
1975# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1976# else
1977# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1978# endif
27d4fb96 1979# endif
1980#endif
1981
27d4fb96 1982#ifdef SHORT_MAX
99abf803 1983# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1984#else
1985# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1986# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1987# else
ef2f54b0
CB		 1988# ifdef SHRT_MAX
1989# define PERL_SHORT_MAX ((short)SHRT_MAX)
1990# else
1991# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1992# endif
27d4fb96 1993# endif
1994#endif
1995
1996#ifdef SHORT_MIN
99abf803 1997# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1998#else
1999# ifdef MINSHORT
99abf803 2000# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2001# else
ef2f54b0
CB		 2002# ifdef SHRT_MIN
2003# define PERL_SHORT_MIN ((short)SHRT_MIN)
2004# else
2005# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2006# endif
27d4fb96 2007# endif
2008#endif
2009
99abf803 2010#ifdef UINT_MAX
2011# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2012#else
99abf803 2013# ifdef MAXUINT
2014# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2015# else
99abf803 2016# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2017# endif
2018#endif
2019
99abf803 2020#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2021
2022#ifdef INT_MAX
99abf803 2023# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2024#else
2025# ifdef MAXINT /* Often used in <values.h> */
99abf803 2026# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2027# else
99abf803 2028# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2029# endif
2030#endif
2031
2032#ifdef INT_MIN
99abf803 2033# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2034#else
2035# ifdef MININT
99abf803 2036# define PERL_INT_MIN ((int)MININT)
27d4fb96 2037# else
2038# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2039# endif
2040#endif
2041
99abf803 2042#ifdef ULONG_MAX
2043# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2044#else
99abf803 2045# ifdef MAXULONG
2046# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2047# else
99abf803 2048# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2049# endif
2050#endif
2051
99abf803 2052#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2053
760ac839 2054#ifdef LONG_MAX
99abf803 2055# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2056#else
2057# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2058# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2059# else
99abf803 2060# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2061# endif
2062#endif
2063
2064#ifdef LONG_MIN
99abf803 2065# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2066#else
2067# ifdef MINLONG
99abf803 2068# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2069# else
27d4fb96 2070# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2071# endif
2072#endif
2073
d7d93a81 2074#ifdef UV_IS_QUAD
99abf803 2075
99abf803 2076# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2077# define PERL_UQUAD_MIN ((UV)0)
99abf803 2078# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2079# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2080
79072805
LW		 2081#endif
2082
22f7c9c9
JH		 2083#ifdef MYMALLOC
2084# include "malloc_ctl.h"
2085#endif
2086
830247a4 2087struct RExC_state_t;
880b20b6 2088
ee0007ab 2089typedef MEM_SIZE STRLEN;
450a55e4 2090
79072805
LW		 2091typedef struct op OP;
2092typedef struct cop COP;
2093typedef struct unop UNOP;
2094typedef struct binop BINOP;
2095typedef struct listop LISTOP;
2096typedef struct logop LOGOP;
79072805
LW		 2097typedef struct pmop PMOP;
2098typedef struct svop SVOP;
7934575e 2099typedef struct padop PADOP;
79072805 2100typedef struct pvop PVOP;
79072805
LW		 2101typedef struct loop LOOP;
2102
93a17b20 2103typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2104
2105/* Amdahl's <ksync.h> has struct sv */
2106/* SGI's <sys/sema.h> has struct sv */
2107#if defined(UTS) || defined(__sgi)
2108# define STRUCT_SV perl_sv
b8d3c5db
JH		 2109#else
2110# define STRUCT_SV sv
2111#endif
2112typedef struct STRUCT_SV SV;
79072805
LW		 2113typedef struct av AV;
2114typedef struct hv HV;
2115typedef struct cv CV;
378cc40b 2116typedef struct regexp REGEXP;
79072805 2117typedef struct gp GP;
0c30d9ec 2118typedef struct gv GV;
8990e307 2119typedef struct io IO;
c09156bb 2120typedef struct context PERL_CONTEXT;
79072805
LW		 2121typedef struct block BLOCK;
2122
2123typedef struct magic MAGIC;
2124typedef struct xpv XPV;
2125typedef struct xpviv XPVIV;
ff68c719 2126typedef struct xpvuv XPVUV;
79072805
LW		 2127typedef struct xpvnv XPVNV;
2128typedef struct xpvmg XPVMG;
2129typedef struct xpvlv XPVLV;
2130typedef struct xpvav XPVAV;
2131typedef struct xpvhv XPVHV;
2132typedef struct xpvgv XPVGV;
2133typedef struct xpvcv XPVCV;
2134typedef struct xpvbm XPVBM;
2135typedef struct xpvfm XPVFM;
8990e307 2136typedef struct xpvio XPVIO;
79072805
LW		 2137typedef struct mgvtbl MGVTBL;
2138typedef union any ANY;
5f7fde29
GS		 2139typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2140typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2141typedef struct clone_params CLONE_PARAMS;
2142
378cc40b 2143#include "handy.h"
a0d0e21e 2144
6b8eaf93 2145#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2146# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2147# define USE_64_BIT_RAWIO /* implicit */
2148# endif
4564133c
JH		 2149#endif
2150
6b8eaf93
JH		 2151/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2152 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2153 * however, because operating systems like to do that themself. */
2154#ifndef FSEEKSIZE
2155# ifdef HAS_FSEEKO
2156# define FSEEKSIZE LSEEKSIZE
2157# else
2158# define FSEEKSIZE LONGSIZE
d460ef45 2159# endif
6b8eaf93
JH		 2160#endif
2161
2162#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2163# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2164# define USE_64_BIT_STDIO /* implicit */
2165# endif
2166#endif
4564133c 2167
09458382 2168#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2169# ifdef HAS_OFF64_T
2170# undef Off_t
2171# define Off_t off64_t
2172# undef LSEEKSIZE
2173# define LSEEKSIZE 8
5ff3f7a4 2174# endif
d9b3e12d
JH		 2175/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2176 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2177 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2178# if defined(USE_OPEN64)
2179# define open open64
5ff3f7a4 2180# endif
d9b3e12d
JH		 2181# if defined(USE_LSEEK64)
2182# define lseek lseek64
6b8eaf93
JH		 2183# else
2184# if defined(USE_LLSEEK)
2185# define lseek llseek
2186# endif
d9b3e12d
JH		 2187# endif
2188# if defined(USE_STAT64)
2189# define stat stat64
2190# endif
2191# if defined(USE_FSTAT64)
2192# define fstat fstat64
2193# endif
2194# if defined(USE_LSTAT64)
2195# define lstat lstat64
2196# endif
2197# if defined(USE_FLOCK64)
2198# define flock flock64
2199# endif
2200# if defined(USE_LOCKF64)
2201# define lockf lockf64
2202# endif
2203# if defined(USE_FCNTL64)
2204# define fcntl fcntl64
2205# endif
2206# if defined(USE_TRUNCATE64)
2207# define truncate truncate64
2208# endif
2209# if defined(USE_FTRUNCATE64)
2210# define ftruncate ftruncate64
2211# endif
2212#endif
2213
2214#ifdef USE_64_BIT_STDIO
2215# ifdef HAS_FPOS64_T
2216# undef Fpos_t
2217# define Fpos_t fpos64_t
2218# endif
2219/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2220 * will trigger defines like the ones below. Some 64-bit environments,
2221 * however, do not. */
2222# if defined(USE_FOPEN64)
2223# define fopen fopen64
2224# endif
2225# if defined(USE_FSEEK64)
6b8eaf93 2226# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2227# endif
2228# if defined(USE_FTELL64)
6b8eaf93 2229# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2230# endif
2231# if defined(USE_FSETPOS64)
2232# define fsetpos fsetpos64
2233# endif
2234# if defined(USE_FGETPOS64)
2235# define fgetpos fgetpos64
2236# endif
2237# if defined(USE_TMPFILE64)
2238# define tmpfile tmpfile64
2239# endif
2240# if defined(USE_FREOPEN64)
2241# define freopen freopen64
5ff3f7a4
GS		 2242# endif
2243#endif
2244
af8b425d 2245#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2246# include "iperlsys.h"
2247#endif
2248
6f71a643 2249#if defined(__OPEN_VM)
19848b3f
JH		 2250# include "vmesa/vmesaish.h"
2251# define ISHISH "vmesa"
6f71a643
JH		 2252#endif
2253
748a9306 2254#ifdef DOSISH
19848b3f
JH		 2255# if defined(OS2)
2256# include "os2ish.h"
2257# else
2258# include "dosish.h"
2259# endif
2260# define ISHISH "dos"
2261#endif
2262
2263#if defined(VMS)
748a9306 2264# include "vmsish.h"
96e176bf 2265# include "embed.h"
19848b3f
JH		 2266# define ISHISH "vms"
2267#endif
2268
2269#if defined(PLAN9)
2270# include "./plan9/plan9ish.h"
2271# define ISHISH "plan9"
2272#endif
2273
2274#if defined(MPE)
2275# include "mpeix/mpeixish.h"
2276# define ISHISH "mpeix"
2277#endif
2278
2279#if defined(__VOS__)
196918b0
PG		 2280# ifdef __GNUC__
2281# include "./vos/vosish.h"
2282# else
2283# include "vos/vosish.h"
2284# endif
19848b3f
JH		 2285# define ISHISH "vos"
2286#endif
2287
2288#if defined(EPOC)
2289# include "epocish.h"
2290# define ISHISH "epoc"
2291#endif
2292
27da23d5
JH		 2293#ifdef SYMBIAN
2294# include "symbian/symbianish.h"
2295# include "embed.h"
2296# define ISHISH "symbian"
2297#endif
2298
19848b3f
JH		 2299#if defined(MACOS_TRADITIONAL)
2300# include "macos/macish.h"
2301# ifndef NO_ENVIRON_ARRAY
2302# define NO_ENVIRON_ARRAY
0c30d9ec 2303# endif
19848b3f
JH		 2304# define ISHISH "macos classic"
2305#endif
2306
efca5cc6
JH		 2307#if defined(__BEOS__)
2308# include "beos/beosish.h"
2309# define ISHISH "beos"
2310#endif
2311
19848b3f
JH		 2312#ifndef ISHISH
2313# include "unixish.h"
2314# define ISHISH "unix"
13b6e58c
JH		 2315#endif
2316
2317#ifndef NO_ENVIRON_ARRAY
2318# define USE_ENVIRON_ARRAY
2319#endif
32f822de 2320
c77b533b
JH		 2321/*
2322 * initialise to avoid floating-point exceptions from overflow, etc
2323 */
2324#ifndef PERL_FPU_INIT
2325# ifdef HAS_FPSETMASK
2326# if HAS_FLOATINGPOINT_H
2327# include <floatingpoint.h>
2328# endif
2329# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2330# else
2f42fcb0 2331# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2332# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2333# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2334# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2335# else
2336# define PERL_FPU_INIT
2f42fcb0 2337
7014c407 2338# endif
c77b533b
JH		 2339# endif
2340#endif
b35112e7
CS		 2341#ifndef PERL_FPU_PRE_EXEC
2342# define PERL_FPU_PRE_EXEC {
2343# define PERL_FPU_POST_EXEC }
2344#endif
c77b533b 2345
ed344e4f
IZ		 2346#ifndef PERL_SYS_INIT3
2347# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2348#endif
2349
be708cc0
JH		 2350#ifndef PERL_WRITE_MSG_TO_CONSOLE
2351# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2352#endif
2353
0f31cffe
GS		 2354#ifndef MAXPATHLEN
2355# ifdef PATH_MAX
b990c8b2
JH		 2356# ifdef _POSIX_PATH_MAX
2357# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2358/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2359 * included the null byte or not. Later amendments of POSIX,
2360 * XPG4, the Austin Group, and the Single UNIX Specification
2361 * all explicitly include the null byte in the PATH_MAX.
2362 * Ditto for _POSIX_PATH_MAX. */
2363# define MAXPATHLEN PATH_MAX
b990c8b2 2364# else
09448d78 2365# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2366# endif
2367# else
2368# define MAXPATHLEN (PATH_MAX+1)
2369# endif
0f31cffe 2370# else
b990c8b2 2371# ifdef _POSIX_PATH_MAX
09448d78 2372# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2373# else
2374# define MAXPATHLEN 1024 /* Err on the large side. */
2375# endif
0f31cffe
GS		 2376# endif
2377#endif
2378
3db8f154 2379/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2380 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2381 * this results in many functions being undeclared which bothers C++
2382 * May make sense to have threads after "*ish.h" anyway
2383 */
2384
3db8f154 2385#if defined(USE_ITHREADS)
2986a63f
JH		 2386# ifdef NETWARE
2387# include <nw5thread.h>
2388# else
32f822de
GS		 2389# ifdef FAKE_THREADS
2390# include "fakethr.h"
2391# else
2392# ifdef WIN32
2393# include <win32thread.h>
2394# else
dd96f567
IZ		 2395# ifdef OS2
2396# include "os2thread.h"
2397# else
7f3d1cf1 2398# ifdef I_MACH_CTHREADS
bdd66968 2399# include <mach/cthreads.h>
8f1f23e8 2400# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2401# define MUTEX_INIT_CALLS_MALLOC
2402# endif
7f3d1cf1
BH		 2403typedef cthread_t perl_os_thread;
2404typedef mutex_t perl_mutex;
2405typedef condition_t perl_cond;
2406typedef void * perl_key;
2407# else /* Posix threads */
1f5ae88c
JH		 2408# ifdef I_PTHREAD
2409# include <pthread.h>
2410# endif
7f3d1cf1
BH		 2411typedef pthread_t perl_os_thread;
2412typedef pthread_mutex_t perl_mutex;
2413typedef pthread_cond_t perl_cond;
2414typedef pthread_key_t perl_key;
2415# endif /* I_MACH_CTHREADS */
dd96f567 2416# endif /* OS2 */
32f822de
GS		 2417# endif /* WIN32 */
2418# endif /* FAKE_THREADS */
2986a63f 2419#endif /* NETWARE */
3db8f154 2420#endif /* USE_ITHREADS */
c5be433b 2421
66a93824 2422#if defined(WIN32)
1feb2720 2423# include "win32.h"
c5be433b
GS		 2424#endif
2425
2986a63f
JH		 2426#ifdef NETWARE
2427# include "netware.h"
2428#endif
2429
e5218da5 2430#define STATUS_UNIX PL_statusvalue
68dc0745 2431#ifdef VMS
6b88bc9c 2432# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2433# define STATUS_NATIVE_EXPORT \
d98f61e7 2434 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2435# define STATUS_NATIVE_SET(n) \
2436 STMT_START { \
6b88bc9c
GS		 2437 PL_statusvalue_vms = (n); \
2438 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2439 PL_statusvalue = -1; \
6b88bc9c 2440 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2441 PL_statusvalue = 0; \
6b88bc9c
GS		 2442 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2443 PL_statusvalue = 1 << 8; \
68dc0745 2444 else \
6b88bc9c 2445 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2446 } STMT_END
68dc0745 2447# ifdef VMSISH_STATUS
e5218da5 2448# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2449# else
e5218da5 2450# define STATUS_CURRENT STATUS_UNIX
68dc0745 2451# endif
e5218da5 2452# define STATUS_UNIX_SET(n) \
68dc0745 2453 STMT_START { \
3280af22
NIS		 2454 PL_statusvalue = (n); \
2455 if (PL_statusvalue != -1) { \
2456 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2457 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2458 } \
6b88bc9c 2459 else PL_statusvalue_vms = -1; \
68dc0745 2460 } STMT_END
6b88bc9c
GS		 2461# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2462# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2463#else
e5218da5
GA		 2464# define STATUS_NATIVE PL_statusvalue_posix
2465# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2466# if defined(WCOREDUMP)
2467# define STATUS_NATIVE_SET(n) \
2468 STMT_START { \
2469 PL_statusvalue_posix = (n); \
2470 if (PL_statusvalue_posix == -1) \
2471 PL_statusvalue = -1; \
2472 else { \
2473 PL_statusvalue = \
2474 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2475 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2476 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2477 } \
2478 } STMT_END
2479# elif defined(WIFEXITED)
2480# define STATUS_NATIVE_SET(n) \
2481 STMT_START { \
2482 PL_statusvalue_posix = (n); \
2483 if (PL_statusvalue_posix == -1) \
2484 PL_statusvalue = -1; \
2485 else { \
2486 PL_statusvalue = \
2487 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2488 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2489 } \
2490 } STMT_END
2491# else
2492# define STATUS_NATIVE_SET(n) \
2493 STMT_START { \
2494 PL_statusvalue_posix = (n); \
2495 if (PL_statusvalue_posix == -1) \
2496 PL_statusvalue = -1; \
2497 else { \
2498 PL_statusvalue = \
2499 PL_statusvalue_posix & 0xFFFF; \
2500 } \
2501 } STMT_END
2502# endif
2503# define STATUS_UNIX_SET(n) \
68dc0745 2504 STMT_START { \
3280af22 2505 PL_statusvalue = (n); \
e5218da5 2506 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS		 2507 if (PL_statusvalue != -1) \
2508 PL_statusvalue &= 0xFFFF; \
68dc0745 2509 } STMT_END
e5218da5
GA		 2510# define STATUS_CURRENT STATUS_UNIX
2511# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2512# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2513#endif
2514
cc3604b1
GS		 2515/* flags in PL_exit_flags for nature of exit() */
2516#define PERL_EXIT_EXPECTED 0x01
31d77e54 2517#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2518
0b94c7bb 2519#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2520# define MEMBER_TO_FPTR(name) name
2521#endif
2522
2523/* format to use for version numbers in file/directory names */
273cf8d1 2524/* XXX move to Configure? */
a7cb1f99 2525#ifndef PERL_FS_VER_FMT
273cf8d1 2526# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2527#endif
2528
45bc9206 2529/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2530 * performance issue, so we allow people to disable it. Also, if
2531 * we are using stdio, there are broken implementations of fflush(NULL)
2532 * out there, Solaris being the most prominent.
45bc9206
GS		 2533 */
2534#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2535# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2536# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2537# else
2538# ifdef FFLUSH_ALL
2539# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2540# else
c5be433b 2541# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2542# endif
66fe083f 2543# endif
45bc9206
GS		 2544#endif
2545
7766f137
GS		 2546#ifndef PERL_WAIT_FOR_CHILDREN
2547# define PERL_WAIT_FOR_CHILDREN NOOP
2548#endif
2549
ba869deb 2550/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2551#ifndef PERL_SET_INTERP
2552# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2553#endif
2554
2555#ifndef PERL_GET_INTERP
2556# define PERL_GET_INTERP (PL_curinterp)
2557#endif
2558
54aff467 2559#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2560# ifdef MULTIPLICITY
ba869deb 2561# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2562# endif
ba869deb
GS		 2563# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2564#endif
2565
0dbb1585
AL		 2566/* This replaces the previous %_ "hack" by the "%-p" hack
2567 All that is required is that the perl source does not
2568 use "%-p" or "%-<number>p" format. These format will
2569 still work in perl code. RMB 2005/05/17
2570*/
894356b3 2571#ifndef SVf
0dbb1585 2572# define SVf "-p"
894356b3
GS		 2573#endif
2574
014ead4b 2575#ifndef SVf_precision
0dbb1585 2576# define SVf_precision(n) "-" n "p"
d2560b70
RB		 2577#endif
2578
014ead4b
RB		 2579#ifndef SVf32
2580# define SVf32 SVf_precision("32")
2581#endif
2582
2583#ifndef SVf256
2584# define SVf256 SVf_precision("256")
2585#endif
2586
2587#ifndef UVf
2588# define UVf UVuf
d2560b70
RB		 2589#endif
2590
5df617be 2591#ifndef DieNull
0dbb1585 2592# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB		 2593#endif
2594
0dbb1585
AL		 2595/* In case Configure was not used (we are using a "canned config"
2596 * such as Win32, or a cross-compilation setup, for example) try going
2597 * by the gcc major and minor versions. One useful URL is
2598 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2599 * but contrary to this information warn_unused_result seems
2600 * not to be in gcc 3.3.5, at least. --jhi */
2601#if defined __GNUC__
2602# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2603# define HASATTRIBUTE_FORMAT
2604# endif
2605# if __GNUC__ >= 3 /* 3.0 -> */
2606# define HASATTRIBUTE_MALLOC
2607# endif
2608# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2609# define HASATTRIBUTE_NONNULL
2610# endif
2611# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2612# define HASATTRIBUTE_NORETURN
2613# endif
2614# if __GNUC__ >= 3 /* gcc 3.0 -> */
2615# define HASATTRIBUTE_PURE
2616# endif
2617# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2618# define HASATTRIBUTE_UNUSED
2619# endif
2620# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2621# define HASATTRIBUTE_WARN_UNUSED_RESULT
287c8091
RB		 2622# endif
2623#endif
b7787f18 2624
f22be1b8 2625
0dbb1585
AL		 2626#ifdef HASATTRIBUTE_FORMAT
2627# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2628#endif
2629#ifdef HASATTRIBUTE_MALLOC
abb2c242 2630# define __attribute__malloc__ __attribute__((malloc))
f22be1b8 2631#endif
0dbb1585 2632#ifdef HASATTRIBUTE_NONNULL
abb2c242 2633# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2634#endif
0dbb1585 2635#ifdef HASATTRIBUTE_NORETURN
abb2c242 2636# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2637#endif
0dbb1585 2638#ifdef HASATTRIBUTE_PURE
abb2c242 2639# define __attribute__pure__ __attribute__((pure))
f22be1b8 2640#endif
0dbb1585
AL		 2641#ifdef HASATTRIBUTE_UNUSED
2642# define __attribute__unused__ __attribute__((unused))
2643#endif
2644#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2645# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2646#endif
2647
0dbb1585
AL		 2648/* If we haven't defined the attributes yet, define them to blank. */
2649#ifndef __attribute__format__
2650# define __attribute__format__(x,y,z)
2651#endif
f22be1b8 2652#ifndef __attribute__malloc__
abb2c242 2653# define __attribute__malloc__
f22be1b8
JH		 2654#endif
2655#ifndef __attribute__nonnull__
abb2c242 2656# define __attribute__nonnull__(a)
f22be1b8
JH		 2657#endif
2658#ifndef __attribute__noreturn__
abb2c242 2659# define __attribute__noreturn__
f22be1b8
JH		 2660#endif
2661#ifndef __attribute__pure__
abb2c242 2662# define __attribute__pure__
f22be1b8 2663#endif
0dbb1585
AL		 2664#ifndef __attribute__unused__
2665# define __attribute__unused__
2666#endif
f22be1b8 2667#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2668# define __attribute__warn_unused_result__
2669#endif
2670
0dbb1585
AL		 2671/* For functions that are marked as __attribute__noreturn__, it's not
2672 appropriate to call return. In either case, include the lint directive.
2673 */
2674#ifdef HASATTRIBUTE_NORETURN
2675# define NORETURN_FUNCTION_END /* NOT REACHED */
2676#else
2677# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2678#endif
2679
3fc1aec6 2680/* Some unistd.h's give a prototype for pause() even though
2681 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2682 below to be rejected by the compiler. Sigh.
3fc1aec6 2683*/
2684#ifdef HAS_PAUSE
2685#define Pause pause
2686#else
2687#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2688#endif
2689
2690#ifndef IOCPARM_LEN
2691# ifdef IOCPARM_MASK
2692 /* on BSDish systes we're safe */
2693# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2694# else
2695 /* otherwise guess at what's safe */
2696# define IOCPARM_LEN(x) 256
2697# endif
a0d0e21e
LW		 2698#endif
2699
1761cee5 2700#if defined(__CYGWIN__)
521e0776
GS		 2701/* USEMYBINMODE
2702 * This symbol, if defined, indicates that the program should
16fe6d59 2703 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2704 * that a file is in "binary" mode -- that is, that no translation
2705 * of bytes occurs on read or write operations.
2706 */
36894f0b 2707# define USEMYBINMODE /**/
77a40698 2708# include <io.h> /* for setmode() prototype */
16fe6d59 2709# define my_binmode(fp, iotype, mode) \
77a40698 2710 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2711#endif
2712
88d10794
JH		 2713#ifdef __CYGWIN__
2714void init_os_extras(void);
2715#endif
2716
cea2e8a9
GS		 2717#ifdef UNION_ANY_DEFINITION
2718UNION_ANY_DEFINITION;
2719#else
2720union any {
2721 void* any_ptr;
2722 I32 any_i32;
2723 IV any_iv;
2724 long any_long;
9febdf04 2725 bool any_bool;
c76ac1ee 2726 void (*any_dptr) (void*);
acfe0abc 2727 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2728};
2729#endif
2730
acfe0abc 2731typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2732
2733#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2734#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2735#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2736
c5078cac
JH		 2737#if defined(_AIX) && !defined(_AIX43)
2738#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2739/* We cannot include <crypt.h> to get the struct crypt_data
2740 * because of setkey prototype problems when threading */
2741typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2742 /* From OSF, Not needed in AIX
2743 char C[28], D[28];
2744 */
2745 char E[48];
2746 char KS[16][48];
2747 char block[66];
2748 char iobuf[16];
2749} CRYPTD;
2750#endif /* threading */
2751#endif /* AIX */
2752
af8b425d 2753#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2754# include "iperlsys.h"
2755#endif
504f80c1 2756
d10dc2ae
JH		 2757/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2758 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2759 * defined by Configure, despite their names being similar to the
2760 * other defines like USE_ITHREADS. Configure in fact knows nothing
2761 * about the randomised hashes. Therefore to enable/disable the hash
2762 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2763#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2764# define USE_HASH_SEED
504f80c1
JH		 2765#endif
2766
378cc40b 2767#include "regexp.h"
79072805 2768#include "sv.h"
378cc40b 2769#include "util.h"
8d063cd8 2770#include "form.h"
79072805 2771#include "gv.h"
dd2155a4 2772#include "pad.h"
79072805 2773#include "cv.h"
abdd5c84 2774#include "opnames.h"
79072805
LW		 2775#include "op.h"
2776#include "cop.h"
2777#include "av.h"
2778#include "hv.h"
2779#include "mg.h"
2780#include "scope.h"
4438c4b7 2781#include "warnings.h"
a0ed51b3 2782#include "utf8.h"
8d063cd8 2783
7fae4e64
GS		 2784/* Current curly descriptor */
2785typedef struct curcur CURCUR;
2786struct curcur {
2787 int parenfloor; /* how far back to strip paren data */
2788 int cur; /* how many instances of scan we've matched */
2789 int min; /* the minimal number of scans to match */
2790 int max; /* the maximal number of scans to match */
2791 int minmod; /* whether to work our way up or down */
2792 regnode * scan; /* the thing to match */
2793 regnode * next; /* what has to match after it */
2794 char * lastloc; /* where we started matching this scan */
2795 CURCUR * oldcc; /* current curly before we started this one */
2796};
2797
2798typedef struct _sublex_info SUBLEXINFO;
2799struct _sublex_info {
2800 I32 super_state; /* lexer state to save */
2801 I32 sub_inwhat; /* "lex_inwhat" to use */
2802 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2803 char *super_bufptr; /* PL_bufptr that was */
2804 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2805};
2806
455ece5e 2807typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2808
2c2d71f5 2809struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2810struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2811
2812typedef I32 CHECKPOINT;
76e3520e 2813
5f7fde29
GS		 2814struct ptr_tbl_ent {
2815 struct ptr_tbl_ent* next;
2816 void* oldval;
2817 void* newval;
d18c6117
GS		 2818};
2819
5f7fde29
GS		 2820struct ptr_tbl {
2821 struct ptr_tbl_ent** tbl_ary;
2822 UV tbl_max;
2823 UV tbl_items;
d18c6117
GS		 2824};
2825
450a55e4 2826#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2827# define I286
2828#endif
2829
fe14fcc3
LW		 2830#if defined(htonl) && !defined(HAS_HTONL)
2831#define HAS_HTONL
ae986130 2832#endif
fe14fcc3
LW		 2833#if defined(htons) && !defined(HAS_HTONS)
2834#define HAS_HTONS
ae986130 2835#endif
fe14fcc3
LW		 2836#if defined(ntohl) && !defined(HAS_NTOHL)
2837#define HAS_NTOHL
ae986130 2838#endif
fe14fcc3
LW		 2839#if defined(ntohs) && !defined(HAS_NTOHS)
2840#define HAS_NTOHS
ae986130 2841#endif
fe14fcc3 2842#ifndef HAS_HTONL
d9d8d8de 2843#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2844#define HAS_HTONS
2845#define HAS_HTONL
2846#define HAS_NTOHS
2847#define HAS_NTOHL
a687059c
LW		 2848#define MYSWAP
2849#define htons my_swap
2850#define htonl my_htonl
2851#define ntohs my_swap
2852#define ntohl my_ntohl
2853#endif
2854#else
d9d8d8de 2855#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2856#undef HAS_HTONS
2857#undef HAS_HTONL
2858#undef HAS_NTOHS
2859#undef HAS_NTOHL
a687059c
LW		 2860#endif
2861#endif
2862
988174c1
LW		 2863/*
2864 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2865 * -DWS
2866 */
2867#if BYTEORDER != 0x1234
2868# define HAS_VTOHL
2869# define HAS_VTOHS
2870# define HAS_HTOVL
2871# define HAS_HTOVS
c67712b2 2872# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2873# define vtohl(x) ((((x)&0xFF)<<24) \
2874 +(((x)>>24)&0xFF) \
2875 +(((x)&0x0000FF00)<<8) \
2876 +(((x)&0x00FF0000)>>8) )
2877# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2878# define htovl(x) vtohl(x)
2879# define htovs(x) vtohs(x)
2880# endif
2881 /* otherwise default to functions in util.c */
2a8c3029 2882#ifndef htovs
c623ac67
GS		 2883short htovs(short n);
2884short vtohs(short n);
2885long htovl(long n);
2886long vtohl(long n);
988174c1 2887#endif
2a8c3029 2888#endif
988174c1 2889
3bb7c1b4
JH		 2890/* *MAX Plus 1. A floating point value.
2891 Hopefully expressed in a way that dodgy floating point can't mess up.
2892 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2893 is added to it
2894 May find that some broken compiler will want the value cast to I32.
2895 [after the shift, as signed >> may not be as secure as unsigned >>]
2896*/
2897#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2898#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2899/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2900 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2901 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2902*/
2903#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2904
3bb7c1b4
JH		 2905#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2906#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2907#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2908
2909/* This may look like unnecessary jumping through hoops, but converting
2910 out of range floating point values to integers *is* undefined behaviour,
2911 and it is starting to bite.
2912*/
2913#ifndef CAST_INLINE
65202027 2914#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2915#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2916#define I_V(what) (cast_iv((NV)(what)))
2917#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2918#else
2919#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2920 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2921 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2922#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2923 : ((n) < U32_MAX_P1 ? (U32) (n) \
2924 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2925#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2926 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2927 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2928#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2929 : ((n) < UV_MAX_P1 ? (UV) (n) \
2930 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2931#endif
2932
2933#define U_S(what) ((U16)U_32(what))
2934#define U_I(what) ((unsigned int)U_32(what))
2935#define U_L(what) U_32(what)
ed6116ce 2936
2d4389e4
JH		 2937/* These do not care about the fractional part, only about the range. */
2938#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2939#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2940
25da4f38
IZ		 2941/* Used with UV/IV arguments: */
2942 /* XXXX: need to speed it up */
2943#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2944#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2945
352d5a3a
LW		 2946#ifndef MAXSYSFD
2947# define MAXSYSFD 2
2948#endif
ee0007ab 2949
79072805 2950#ifndef __cplusplus
27da23d5 2951#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 2952Uid_t getuid (void);
2953Uid_t geteuid (void);
2954Gid_t getgid (void);
2955Gid_t getegid (void);
79072805 2956#endif
e1caacb4 2957#endif
8d063cd8 2958
0c30d9ec 2959#ifndef Perl_debug_log
bf49b057
GS		 2960# define Perl_debug_log PerlIO_stderr()
2961#endif
2962
2963#ifndef Perl_error_log
2964# define Perl_error_log (PL_stderrgv \
6b78add2 2965 && isGV(PL_stderrgv) \
01bb7c6d 2966 && GvIOp(PL_stderrgv) \
42de951c 2967 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2968 ? IoOFP(GvIOp(PL_stderrgv)) \
2969 : PerlIO_stderr())
0c30d9ec 2970#endif
3967c732 2971
aea4f609
DM		 2972
2973#define DEBUG_p_FLAG 0x00000001 /* 1 */
2974#define DEBUG_s_FLAG 0x00000002 /* 2 */
2975#define DEBUG_l_FLAG 0x00000004 /* 4 */
2976#define DEBUG_t_FLAG 0x00000008 /* 8 */
2977#define DEBUG_o_FLAG 0x00000010 /* 16 */
2978#define DEBUG_c_FLAG 0x00000020 /* 32 */
2979#define DEBUG_P_FLAG 0x00000040 /* 64 */
2980#define DEBUG_m_FLAG 0x00000080 /* 128 */
2981#define DEBUG_f_FLAG 0x00000100 /* 256 */
2982#define DEBUG_r_FLAG 0x00000200 /* 512 */
2983#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2984#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2985 /* spare */
aea4f609
DM		 2986#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2987#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2988#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2989#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2990#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2991#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2992#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2993#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2994#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2995#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2996#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2997#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2998
2999#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3000#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3001 that something was done? */
aea4f609 3002
bd16a5f0
IZ		 3003# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3004# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3005# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3006# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3007# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3008# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3009# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3010# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3011# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3012# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3013# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3014# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3015# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3016# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3017# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3018# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3019# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3020# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3021# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3022# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3023# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3024# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3025# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3026# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3027
3967c732 3028#ifdef DEBUGGING
aea4f609 3029
bd16a5f0
IZ		 3030# define DEBUG_p_TEST DEBUG_p_TEST_
3031# define DEBUG_s_TEST DEBUG_s_TEST_
3032# define DEBUG_l_TEST DEBUG_l_TEST_
3033# define DEBUG_t_TEST DEBUG_t_TEST_
3034# define DEBUG_o_TEST DEBUG_o_TEST_
3035# define DEBUG_c_TEST DEBUG_c_TEST_
3036# define DEBUG_P_TEST DEBUG_P_TEST_
3037# define DEBUG_m_TEST DEBUG_m_TEST_
3038# define DEBUG_f_TEST DEBUG_f_TEST_
3039# define DEBUG_r_TEST DEBUG_r_TEST_
3040# define DEBUG_x_TEST DEBUG_x_TEST_
3041# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3042# define DEBUG_H_TEST DEBUG_H_TEST_
3043# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3044# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3045# define DEBUG_D_TEST DEBUG_D_TEST_
3046# define DEBUG_S_TEST DEBUG_S_TEST_
3047# define DEBUG_T_TEST DEBUG_T_TEST_
3048# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3049# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3050# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3051# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3052# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3053# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3054
488b0c7a
JH		 3055# define PERL_DEB(a) a
3056# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3057# define DEBUG_p(a) if (DEBUG_p_TEST) a
3058# define DEBUG_s(a) if (DEBUG_s_TEST) a
3059# define DEBUG_l(a) if (DEBUG_l_TEST) a
3060# define DEBUG_t(a) if (DEBUG_t_TEST) a
3061# define DEBUG_o(a) if (DEBUG_o_TEST) a
3062# define DEBUG_c(a) if (DEBUG_c_TEST) a
3063# define DEBUG_P(a) if (DEBUG_P_TEST) a
3064
969058bb
VK		 3065 /* Temporarily turn off memory debugging in case the a
3066 * does memory allocation, either directly or indirectly. */
acfe0abc 3067# define DEBUG_m(a) \
0b250b9e 3068 STMT_START { \
aea4f609 3069 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3070 } STMT_END
aea4f609 3071
5f80b19c
AMS		 3072# define DEBUG__(t, a) \
3073 STMT_START { \
3074 if (t) STMT_START {a;} STMT_END; \
3075 } STMT_END
3076
3077# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3078# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3079# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3080# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3081# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3082# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3083# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3084# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3085
3db8f154 3086# define DEBUG_S(a)
aea4f609 3087
5f80b19c
AMS		 3088# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3089# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3090# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3091# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3092# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3093# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3094
3095#else /* DEBUGGING */
3096
3097# define DEBUG_p_TEST (0)
3098# define DEBUG_s_TEST (0)
3099# define DEBUG_l_TEST (0)
3100# define DEBUG_t_TEST (0)
3101# define DEBUG_o_TEST (0)
3102# define DEBUG_c_TEST (0)
3103# define DEBUG_P_TEST (0)
3104# define DEBUG_m_TEST (0)
3105# define DEBUG_f_TEST (0)
3106# define DEBUG_r_TEST (0)
3107# define DEBUG_x_TEST (0)
3108# define DEBUG_u_TEST (0)
aea4f609
DM		 3109# define DEBUG_H_TEST (0)
3110# define DEBUG_X_TEST (0)
dd2155a4 3111# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3112# define DEBUG_D_TEST (0)
3113# define DEBUG_S_TEST (0)
3114# define DEBUG_T_TEST (0)
04932ac8 3115# define DEBUG_R_TEST (0)
1045810a 3116# define DEBUG_J_TEST (0)
d6721266 3117# define DEBUG_v_TEST (0)
46187eeb 3118# define DEBUG_C_TEST (0)
ecae49c0
NC		 3119# define DEBUG_A_TEST (0)
3120# define DEBUG_q_TEST (0)
aea4f609 3121
488b0c7a
JH		 3122# define PERL_DEB(a)
3123# define PERL_DEBUG(a)
aea4f609
DM		 3124# define DEBUG_p(a)
3125# define DEBUG_s(a)
3126# define DEBUG_l(a)
3127# define DEBUG_t(a)
3128# define DEBUG_o(a)
3129# define DEBUG_c(a)
3130# define DEBUG_P(a)
3131# define DEBUG_m(a)
3132# define DEBUG_f(a)
3133# define DEBUG_r(a)
3134# define DEBUG_x(a)
3135# define DEBUG_u(a)
aea4f609
DM		 3136# define DEBUG_H(a)
3137# define DEBUG_X(a)
dd2155a4 3138# define DEBUG_Xv(a)
aea4f609
DM		 3139# define DEBUG_D(a)
3140# define DEBUG_S(a)
3141# define DEBUG_T(a)
04932ac8 3142# define DEBUG_R(a)
d6721266 3143# define DEBUG_v(a)
46187eeb 3144# define DEBUG_C(a)
ecae49c0
NC		 3145# define DEBUG_A(a)
3146# define DEBUG_q(a)
aea4f609
DM		 3147#endif /* DEBUGGING */
3148
3149
b4ab917c
DM		 3150#define DEBUG_SCOPE(where) \
3151 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3152 where, PL_scopestack_ix, __FILE__, __LINE__)));
3153
3154
3155
3156
d1be9408 3157/* These constants should be used in preference to raw characters
14befaf4
DM		 3158 * when using magic. Note that some perl guts still assume
3159 * certain character properties of these constants, namely that
3160 * isUPPER() and toLOWER() may do useful mappings.
3161 *
3162 * Update the magic_names table in dump.c when adding/amending these
3163 */
3164
3165#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3166#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3167#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3168#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3169#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3170#define PERL_MAGIC_regdata 'D' /* Regex match position data
3171 (@+ and @- vars) */
3172#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3173#define PERL_MAGIC_env 'E' /* %ENV hash */
3174#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3175#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3176#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3177#define PERL_MAGIC_isa 'I' /* @ISA array */
3178#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3179#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3180#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3181#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3182#define PERL_MAGIC_mutex 'm' /* for lock op */
3183#define PERL_MAGIC_shared 'N' /* Shared between threads */
3184#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3185#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3186#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3187#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3188#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3189#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3190#define PERL_MAGIC_sig 'S' /* %SIG hash */
3191#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3192#define PERL_MAGIC_taint 't' /* Taintedness */
3193#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3194#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3195#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3196#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3197#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3198#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3199#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3200 smart parameter vivification */
3201#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3202#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3203#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3204#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3205#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3206#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3207#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3208#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3209
3210
a6e633de 3211#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3212#define assert(what) PERL_DEB( \
3213 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3214 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3215 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3216 PerlProc_exit(1), \
3217 (void) 0)))
a446a88f 3218#endif
8d063cd8 3219
450a55e4 3220struct ufuncs {
24f81a43
DM		 3221 I32 (*uf_val)(pTHX_ IV, SV*);
3222 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3223 IV uf_index;
450a55e4
LW		 3224};
3225
14befaf4 3226/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3227 * XS code wanting to be backward compatible can do something
3228 * like the following:
c745e42c 3229
24f81a43 3230#ifndef PERL_MG_UFUNC
24f81a43
DM		 3231#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3232#endif
3233
3234static PERL_MG_UFUNC(foo_get, index, val)
3235{
3236 sv_setsv(val, ...);
3237 return TRUE;
3238}
3239
3240-- Doug MacEachern
3241
3242*/
3243
fc9c74e6 3244#ifndef PERL_MG_UFUNC
24f81a43 3245#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3246#endif
24f81a43 3247
fe14fcc3 3248/* Fix these up for __STDC__ */
68dc0745 3249#ifndef DONT_DECLARE_STD
20ce7b12 3250char *mktemp (char*);
37bd1396 3251#ifndef atof
20ce7b12 3252double atof (const char*);
a0d0e21e 3253#endif
37bd1396 3254#endif
79072805 3255
352d5a3a 3256#ifndef STANDARD_C
fe14fcc3 3257/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3258Time_t time();
8d063cd8 3259struct tm *gmtime(), *localtime();
092bebab 3260#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3261char *(strchr)(), *(strrchr)();
3262char *(strcpy)(), *(strcat)();
3263#else
93a17b20 3264char *strchr(), *strrchr();
378cc40b 3265char *strcpy(), *strcat();
9d116dd7 3266#endif
352d5a3a 3267#endif /* ! STANDARD_C */
8d063cd8 3268
79072805
LW		 3269
3270#ifdef I_MATH
3271# include <math.h>
3272#else
32f822de 3273START_EXTERN_C
20ce7b12
GS		 3274 double exp (double);
3275 double log (double);
3276 double log10 (double);
3277 double sqrt (double);
3278 double frexp (double,int*);
3279 double ldexp (double,int);
3280 double modf (double,double*);
3281 double sin (double);
3282 double cos (double);
3283 double atan2 (double,double);
3284 double pow (double,double);
32f822de 3285END_EXTERN_C
79072805
LW		 3286#endif
3287
aa8b85de
JH		 3288#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3289# define NV_INF LDBL_INFINITY
3290#endif
3291#if !defined(NV_INF) && defined(DBL_INFINITY)
3292# define NV_INF (NV)DBL_INFINITY
3293#endif
3294#if !defined(NV_INF) && defined(INFINITY)
3295# define NV_INF (NV)INFINITY
3296#endif
3297#if !defined(NV_INF) && defined(INF)
3298# define NV_INF (NV)INF
3299#endif
3300#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3301# define NV_INF (NV)HUGE_VALL
3302#endif
3303#if !defined(NV_INF) && defined(HUGE_VAL)
3304# define NV_INF (NV)HUGE_VAL
3305#endif
3306
3307#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3308# if !defined(NV_NAN) && defined(LDBL_NAN)
3309# define NV_NAN LDBL_NAN
3310# endif
3311# if !defined(NV_NAN) && defined(LDBL_QNAN)
3312# define NV_NAN LDBL_QNAN
3313# endif
3314# if !defined(NV_NAN) && defined(LDBL_SNAN)
3315# define NV_NAN LDBL_SNAN
3316# endif
3317#endif
3318#if !defined(NV_NAN) && defined(DBL_NAN)
3319# define NV_NAN (NV)DBL_NAN
3320#endif
3321#if !defined(NV_NAN) && defined(DBL_QNAN)
3322# define NV_NAN (NV)DBL_QNAN
3323#endif
3324#if !defined(NV_NAN) && defined(DBL_SNAN)
3325# define NV_NAN (NV)DBL_SNAN
3326#endif
3327#if !defined(NV_NAN) && defined(QNAN)
3328# define NV_NAN (NV)QNAN
3329#endif
3330#if !defined(NV_NAN) && defined(SNAN)
3331# define NV_NAN (NV)SNAN
3332#endif
3333#if !defined(NV_NAN) && defined(NAN)
3334# define NV_NAN (NV)NAN
3335#endif
3336
a0d0e21e 3337#ifndef __cplusplus
8f1f23e8 3338# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3339char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3340# else
fd8cd3a3 3341# if !defined(WIN32) && !defined(VMS)
10bc17b6 3342#ifndef crypt
20ce7b12 3343char *crypt (const char*, const char*);
10bc17b6 3344#endif
5014db98 3345# endif /* !WIN32 */
8f1f23e8 3346# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3347# ifndef DONT_DECLARE_STD
3348# ifndef getenv
20ce7b12 3349char *getenv (const char*);
26618a56 3350# endif /* !getenv */
28ca6303 3351# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3352# ifdef _FILE_OFFSET_BITS
28ca6303 3353# if _FILE_OFFSET_BITS == 64
20ce7b12 3354Off_t lseek (int,Off_t,int);
0fc67700
JH		 3355# endif
3356# endif
bf0c440f 3357# endif
26618a56 3358# endif /* !DONT_DECLARE_STD */
10bc17b6 3359#ifndef getlogin
20ce7b12 3360char *getlogin (void);
10bc17b6 3361#endif
26618a56 3362#endif /* !__cplusplus */
79072805 3363
16d20bd9 3364#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3365#define UNLINK unlnk
20ce7b12 3366I32 unlnk (char*);
8d063cd8 3367#else
80252599 3368#define UNLINK PerlLIO_unlink
8d063cd8 3369#endif
a687059c 3370
fa0a29af
JH		 3371/* some versions of glibc are missing the setresuid() proto */
3372#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3373int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3374#endif
fa0a29af
JH		 3375/* some versions of glibc are missing the setresgid() proto */
3376#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3377int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3378#endif
3379
fe14fcc3 3380#ifndef HAS_SETREUID
85e6fe83
LW		 3381# ifdef HAS_SETRESUID
3382# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3383# define HAS_SETREUID
3384# endif
a687059c 3385#endif
fe14fcc3 3386#ifndef HAS_SETREGID
85e6fe83
LW		 3387# ifdef HAS_SETRESGID
3388# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3389# define HAS_SETREGID
3390# endif
a687059c 3391#endif
ee0007ab 3392
d543acb6 3393/* Sighandler_t defined in iperlsys.h */
ff68c719 3394
3395#ifdef HAS_SIGACTION
3396typedef struct sigaction Sigsave_t;
3397#else
3398typedef Sighandler_t Sigsave_t;
3399#endif
3400
ee0007ab
LW		 3401#define SCAN_DEF 0
3402#define SCAN_TR 1
3403#define SCAN_REPL 2
79072805
LW		 3404
3405#ifdef DEBUGGING
4633a7c4 3406# ifndef register
a0d0e21e
LW		 3407# define register
3408# endif
cea2e8a9 3409# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3410#else
cea2e8a9 3411# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3412#endif
3413
18f739ee 3414#ifdef MYMALLOC
772fe5b3 3415# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3416# define MALLOC_INIT \
3417 STMT_START { \
3418 PL_malloc_mutex = NULL; \
3419 MUTEX_INIT(&PL_malloc_mutex); \
3420 } STMT_END
3421# define MALLOC_TERM \
3422 STMT_START { \
3423 perl_mutex tmp = PL_malloc_mutex; \
3424 PL_malloc_mutex = NULL; \
3425 MUTEX_DESTROY(&tmp); \
3426 } STMT_END
3427# else
3428# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3429# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3430# endif
18f739ee
IZ		 3431#else
3432# define MALLOC_INIT
3433# define MALLOC_TERM
3434#endif
3435
b6d9d515 3436
0cb96387 3437typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3438typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3439typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3440typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3441
940cb80d 3442/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3443#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3444
8f1f23e8
W		 3445/* NeXT has problems with crt0.o globals */
3446#if defined(__DYNAMIC__) && \
6239f2da 3447 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3448# if defined(NeXT) || defined(__NeXT)
3449# include <mach-o/dyld.h>
3450# define environ (*environ_pointer)
0c30d9ec 3451EXT char *** environ_pointer;
8f1f23e8 3452# else
6239f2da 3453# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3454# include <crt_externs.h> /* for the env array */
3455# define environ (*_NSGetEnviron())
3456# endif
0c30d9ec 3457# endif
8f1f23e8
W		 3458#else
3459 /* VMS and some other platforms don't use the environ array */
13b6e58c 3460# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3461# if !defined(DONT_DECLARE_STD) || \
3462 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3463 defined(__sgi) || \
d460ef45 3464 defined(__DGUX)
8f1f23e8 3465extern char ** environ; /* environment variables supplied via exec */
a6c40364 3466# endif
8f1f23e8
W		 3467# endif
3468#endif
79072805 3469
73c4f7a1
GS		 3470START_EXTERN_C
3471
79072805 3472/* handy constants */
22c35a8c 3473EXTCONST char PL_warn_uninit[]
29489e7c 3474 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3475EXTCONST char PL_warn_nosemi[]
463ee0b2 3476 INIT("Semicolon seems to be missing");
22c35a8c 3477EXTCONST char PL_warn_reserved[]
463ee0b2 3478 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3479EXTCONST char PL_warn_nl[]
93a17b20 3480 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3481EXTCONST char PL_no_wrongref[]
a0d0e21e 3482 INIT("Can't use %s ref as %s ref");
22c35a8c 3483EXTCONST char PL_no_symref[]
748a9306 3484 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3485EXTCONST char PL_no_symref_sv[]
014ead4b 3486 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3487EXTCONST char PL_no_usym[]
8990e307 3488 INIT("Can't use an undefined value as %s reference");
22c35a8c 3489EXTCONST char PL_no_aelem[]
93a17b20 3490 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3491EXTCONST char PL_no_helem_sv[]
3492 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3493EXTCONST char PL_no_modify[]
93a17b20 3494 INIT("Modification of a read-only value attempted");
22c35a8c 3495EXTCONST char PL_no_mem[]
93a17b20 3496 INIT("Out of memory!\n");
22c35a8c 3497EXTCONST char PL_no_security[]
463ee0b2 3498 INIT("Insecure dependency in %s%s");
22c35a8c 3499EXTCONST char PL_no_sock_func[]
93a17b20 3500 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3501EXTCONST char PL_no_dir_func[]
93a17b20 3502 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3503EXTCONST char PL_no_func[]
93a17b20 3504 INIT("The %s function is unimplemented");
22c35a8c 3505EXTCONST char PL_no_myglob[]
748a9306 3506 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3507EXTCONST char PL_no_localize_ref[]
3508 INIT("Can't localize through a reference");
27d5b266
JH		 3509#ifdef PERL_MALLOC_WRAP
3510EXTCONST char PL_memory_wrap[]
3511 INIT("panic: memory wrap");
3512#endif
93a17b20 3513
7575fa06 3514EXTCONST char PL_uuemap[65]
80252599
GS		 3515 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3516
3517
79072805 3518#ifdef DOINIT
27da23d5
JH		 3519EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3520EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3521#else
27da23d5
JH		 3522EXTCONST char* const PL_sig_name[];
3523EXTCONST int PL_sig_num[];
79072805
LW		 3524#endif
3525
3bd709b1 3526/* fast conversion and case folding tables */
bbce6d69 3527
79072805 3528#ifdef DOINIT
9d116dd7 3529#ifdef EBCDIC
27da23d5 3530EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3531 0, 1, 2, 3, 4, 5, 6, 7,
3532 8, 9, 10, 11, 12, 13, 14, 15,
3533 16, 17, 18, 19, 20, 21, 22, 23,
3534 24, 25, 26, 27, 28, 29, 30, 31,
3535 32, 33, 34, 35, 36, 37, 38, 39,
3536 40, 41, 42, 43, 44, 45, 46, 47,
3537 48, 49, 50, 51, 52, 53, 54, 55,
3538 56, 57, 58, 59, 60, 61, 62, 63,
3539 64, 65, 66, 67, 68, 69, 70, 71,
3540 72, 73, 74, 75, 76, 77, 78, 79,
3541 80, 81, 82, 83, 84, 85, 86, 87,
3542 88, 89, 90, 91, 92, 93, 94, 95,
3543 96, 97, 98, 99, 100, 101, 102, 103,
3544 104, 105, 106, 107, 108, 109, 110, 111,
3545 112, 113, 114, 115, 116, 117, 118, 119,
3546 120, 121, 122, 123, 124, 125, 126, 127,
3547 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3548 'H', 'I', 138, 139, 140, 141, 142, 143,
3549 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3550 'Q', 'R', 154, 155, 156, 157, 158, 159,
3551 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3552 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3553 176, 177, 178, 179, 180, 181, 182, 183,
3554 184, 185, 186, 187, 188, 189, 190, 191,
3555 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3556 'h', 'i', 202, 203, 204, 205, 206, 207,
3557 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3558 'q', 'r', 218, 219, 220, 221, 222, 223,
3559 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3560 'y', 'z', 234, 235, 236, 237, 238, 239,
3561 240, 241, 242, 243, 244, 245, 246, 247,
3562 248, 249, 250, 251, 252, 253, 254, 255
3563};
3564#else /* ascii rather than ebcdic */
22c35a8c 3565EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3566 0, 1, 2, 3, 4, 5, 6, 7,
3567 8, 9, 10, 11, 12, 13, 14, 15,
3568 16, 17, 18, 19, 20, 21, 22, 23,
3569 24, 25, 26, 27, 28, 29, 30, 31,
3570 32, 33, 34, 35, 36, 37, 38, 39,
3571 40, 41, 42, 43, 44, 45, 46, 47,
3572 48, 49, 50, 51, 52, 53, 54, 55,
3573 56, 57, 58, 59, 60, 61, 62, 63,
3574 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3575 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3576 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3577 'x', 'y', 'z', 91, 92, 93, 94, 95,
3578 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3579 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3580 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3581 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3582 128, 129, 130, 131, 132, 133, 134, 135,
3583 136, 137, 138, 139, 140, 141, 142, 143,
3584 144, 145, 146, 147, 148, 149, 150, 151,
3585 152, 153, 154, 155, 156, 157, 158, 159,
3586 160, 161, 162, 163, 164, 165, 166, 167,
3587 168, 169, 170, 171, 172, 173, 174, 175,
3588 176, 177, 178, 179, 180, 181, 182, 183,
3589 184, 185, 186, 187, 188, 189, 190, 191,
3590 192, 193, 194, 195, 196, 197, 198, 199,
3591 200, 201, 202, 203, 204, 205, 206, 207,
3592 208, 209, 210, 211, 212, 213, 214, 215,
3593 216, 217, 218, 219, 220, 221, 222, 223,
3594 224, 225, 226, 227, 228, 229, 230, 231,
3595 232, 233, 234, 235, 236, 237, 238, 239,
3596 240, 241, 242, 243, 244, 245, 246, 247,
3597 248, 249, 250, 251, 252, 253, 254, 255
3598};
9d116dd7 3599#endif /* !EBCDIC */
79072805 3600#else
22c35a8c 3601EXTCONST unsigned char PL_fold[];
79072805
LW		 3602#endif
3603
27da23d5 3604#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3605#ifdef DOINIT
27da23d5 3606EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3607 0, 1, 2, 3, 4, 5, 6, 7,
3608 8, 9, 10, 11, 12, 13, 14, 15,
3609 16, 17, 18, 19, 20, 21, 22, 23,
3610 24, 25, 26, 27, 28, 29, 30, 31,
3611 32, 33, 34, 35, 36, 37, 38, 39,
3612 40, 41, 42, 43, 44, 45, 46, 47,
3613 48, 49, 50, 51, 52, 53, 54, 55,
3614 56, 57, 58, 59, 60, 61, 62, 63,
3615 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3616 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3617 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3618 'x', 'y', 'z', 91, 92, 93, 94, 95,
3619 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3620 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3621 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3622 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3623 128, 129, 130, 131, 132, 133, 134, 135,
3624 136, 137, 138, 139, 140, 141, 142, 143,
3625 144, 145, 146, 147, 148, 149, 150, 151,
3626 152, 153, 154, 155, 156, 157, 158, 159,
3627 160, 161, 162, 163, 164, 165, 166, 167,
3628 168, 169, 170, 171, 172, 173, 174, 175,
3629 176, 177, 178, 179, 180, 181, 182, 183,
3630 184, 185, 186, 187, 188, 189, 190, 191,
3631 192, 193, 194, 195, 196, 197, 198, 199,
3632 200, 201, 202, 203, 204, 205, 206, 207,
3633 208, 209, 210, 211, 212, 213, 214, 215,
3634 216, 217, 218, 219, 220, 221, 222, 223,
3635 224, 225, 226, 227, 228, 229, 230, 231,
3636 232, 233, 234, 235, 236, 237, 238, 239,
3637 240, 241, 242, 243, 244, 245, 246, 247,
3638 248, 249, 250, 251, 252, 253, 254, 255
3639};
3640#else
27da23d5 3641EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3642#endif
27da23d5 3643#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3644
3645#ifdef DOINIT
9d116dd7 3646#ifdef EBCDIC
27da23d5 3647EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3648 1, 2, 84, 151, 154, 155, 156, 157,
3649 165, 246, 250, 3, 158, 7, 18, 29,
3650 40, 51, 62, 73, 85, 96, 107, 118,
3651 129, 140, 147, 148, 149, 150, 152, 153,
3652 255, 6, 8, 9, 10, 11, 12, 13,
3653 14, 15, 24, 25, 26, 27, 28, 226,
3654 29, 30, 31, 32, 33, 43, 44, 45,
3655 46, 47, 48, 49, 50, 76, 77, 78,
3656 79, 80, 81, 82, 83, 84, 85, 86,
3657 87, 94, 95, 234, 181, 233, 187, 190,
3658 180, 96, 97, 98, 99, 100, 101, 102,
3659 104, 112, 182, 174, 236, 232, 229, 103,
3660 228, 226, 114, 115, 116, 117, 118, 119,
3661 120, 121, 122, 235, 176, 230, 194, 162,
3662 130, 131, 132, 133, 134, 135, 136, 137,
3663 138, 139, 201, 205, 163, 217, 220, 224,
3664 5, 248, 227, 244, 242, 255, 241, 231,
3665 240, 253, 16, 197, 19, 20, 21, 187,
3666 23, 169, 210, 245, 237, 249, 247, 239,
3667 168, 252, 34, 196, 36, 37, 38, 39,
3668 41, 42, 251, 254, 238, 223, 221, 213,
3669 225, 177, 52, 53, 54, 55, 56, 57,
3670 58, 59, 60, 61, 63, 64, 65, 66,
3671 67, 68, 69, 70, 71, 72, 74, 75,
3672 205, 208, 186, 202, 200, 218, 198, 179,
3673 178, 214, 88, 89, 90, 91, 92, 93,
3674 217, 166, 170, 207, 199, 209, 206, 204,
3675 160, 212, 105, 106, 108, 109, 110, 111,
3676 203, 113, 216, 215, 192, 175, 193, 243,
3677 172, 161, 123, 124, 125, 126, 127, 128,
3678 222, 219, 211, 195, 188, 193, 185, 184,
3679 191, 183, 141, 142, 143, 144, 145, 146
3680};
3681#else /* ascii rather than ebcdic */
22c35a8c 3682EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3683 1, 2, 84, 151, 154, 155, 156, 157,
3684 165, 246, 250, 3, 158, 7, 18, 29,
3685 40, 51, 62, 73, 85, 96, 107, 118,
3686 129, 140, 147, 148, 149, 150, 152, 153,
3687 255, 182, 224, 205, 174, 176, 180, 217,
3688 233, 232, 236, 187, 235, 228, 234, 226,
3689 222, 219, 211, 195, 188, 193, 185, 184,
3690 191, 183, 201, 229, 181, 220, 194, 162,
3691 163, 208, 186, 202, 200, 218, 198, 179,
3692 178, 214, 166, 170, 207, 199, 209, 206,
3693 204, 160, 212, 216, 215, 192, 175, 173,
3694 243, 172, 161, 190, 203, 189, 164, 230,
3695 167, 248, 227, 244, 242, 255, 241, 231,
3696 240, 253, 169, 210, 245, 237, 249, 247,
3697 239, 168, 252, 251, 254, 238, 223, 221,
3698 213, 225, 177, 197, 171, 196, 159, 4,
3699 5, 6, 8, 9, 10, 11, 12, 13,
3700 14, 15, 16, 17, 19, 20, 21, 22,
3701 23, 24, 25, 26, 27, 28, 30, 31,
3702 32, 33, 34, 35, 36, 37, 38, 39,
3703 41, 42, 43, 44, 45, 46, 47, 48,
3704 49, 50, 52, 53, 54, 55, 56, 57,
3705 58, 59, 60, 61, 63, 64, 65, 66,
3706 67, 68, 69, 70, 71, 72, 74, 75,
3707 76, 77, 78, 79, 80, 81, 82, 83,
3708 86, 87, 88, 89, 90, 91, 92, 93,
3709 94, 95, 97, 98, 99, 100, 101, 102,
3710 103, 104, 105, 106, 108, 109, 110, 111,
3711 112, 113, 114, 115, 116, 117, 119, 120,
3712 121, 122, 123, 124, 125, 126, 127, 128,
3713 130, 131, 132, 133, 134, 135, 136, 137,
3714 138, 139, 141, 142, 143, 144, 145, 146
3715};
9d116dd7 3716#endif
79072805 3717#else
22c35a8c 3718EXTCONST unsigned char PL_freq[];
79072805
LW		 3719#endif
3720
8990e307
LW		 3721#ifdef DEBUGGING
3722#ifdef DOINIT
27da23d5 3723EXTCONST char* const PL_block_type[] = {
8990e307
LW		 3724 "NULL",
3725 "SUB",
3726 "EVAL",
3727 "LOOP",
3728 "SUBST",
3729 "BLOCK",
3730};
3731#else
22c35a8c 3732EXTCONST char* PL_block_type[];
8990e307
LW		 3733#endif
3734#endif
3735
73c4f7a1
GS		 3736END_EXTERN_C
3737
79072805
LW		 3738/*****************************************************************************/
3739/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3740/*****************************************************************************/
8990e307 3741/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3742
d4c3c482 3743#ifdef __Lynx__
9cffb111
OS		 3744/* LynxOS defines these in scsi.h which is included via ioctl.h */
3745#ifdef FORMAT
3746#undef FORMAT
3747#endif
3748#ifdef SPACE
3749#undef SPACE
3750#endif
d4c3c482 3751#endif
9cffb111 3752
1fd33325
MHM		 3753/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3754 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3755 * it's not really needed.
3756 */
3757#if defined(WIN32)
3758# define YYTOKENTYPE
3759#endif
a0d0e21e
LW		 3760#include "perly.h"
3761
fb73857a 3762#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3763
79072805
LW		 3764typedef enum {
3765 XOPERATOR,
3766 XTERM,
79072805 3767 XREF,
8990e307 3768 XSTATE,
a0d0e21e 3769 XBLOCK,
09bef843
SB		 3770 XATTRBLOCK,
3771 XATTRTERM,
6f33ba73
RGS		 3772 XTERMBLOCK,
3773 XTERMORDORDOR /* evil hack */
27308ded 3774 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3775} expectation;
3776
dc9e4912
GS		 3777enum { /* pass one of these to get_vtbl */
3778 want_vtbl_sv,
3779 want_vtbl_env,
3780 want_vtbl_envelem,
3781 want_vtbl_sig,
3782 want_vtbl_sigelem,
3783 want_vtbl_pack,
3784 want_vtbl_packelem,
3785 want_vtbl_dbline,
3786 want_vtbl_isa,
3787 want_vtbl_isaelem,
3788 want_vtbl_arylen,
3789 want_vtbl_glob,
3790 want_vtbl_mglob,
3791 want_vtbl_nkeys,
3792 want_vtbl_taint,
3793 want_vtbl_substr,
3794 want_vtbl_vec,
3795 want_vtbl_pos,
3796 want_vtbl_bm,
3797 want_vtbl_fm,
3798 want_vtbl_uvar,
3799 want_vtbl_defelem,
3800 want_vtbl_regexp,
3801 want_vtbl_collxfrm,
3802 want_vtbl_amagic,
3803 want_vtbl_amagicelem,
dc9e4912 3804 want_vtbl_regdata,
810b8aa5 3805 want_vtbl_regdatum,
7e8c5dac 3806 want_vtbl_backref,
8d2f4536 3807 want_vtbl_utf8,
83bf042f
NC		 3808 want_vtbl_symtab,
3809 want_vtbl_arylen_p
dc9e4912
GS		 3810};
3811
85e6fe83
LW		 3812 /* Note: the lowest 8 bits are reserved for
3813 stuffing into op->op_private */
f3aa04c2 3814#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3815#define HINT_INTEGER 0x00000001 /* integer pragma */
3816#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3817#define HINT_LOCALE 0x00000004 /* locale pragma */
3818#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3819/* #define HINT_notused10 0x00000010 */
a0ed51b3 3820 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3821 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3822
3823#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3824#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3825#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3826
9cfe5470 3827/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3828#define HINT_NEW_INTEGER 0x00001000
3829#define HINT_NEW_FLOAT 0x00002000