This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Perl_croak uses perl's printf, so can pass in SVs direct - no need for
[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
c5be433b
GS		 171#endif
172
76e3520e
GS		 173#define STATIC static
174#define CPERLscope(x) x
565764a8 175#define CPERLarg void
76e3520e 176#define CPERLarg_
e3b8966e 177#define _CPERLarg
1d583055
GS		 178#define PERL_OBJECT_THIS
179#define _PERL_OBJECT_THIS
180#define PERL_OBJECT_THIS_
312caa8e 181#define CALL_FPTR(fptr) (*fptr)
76e3520e 182
312caa8e
CS		 183#define CALLRUNOPS CALL_FPTR(PL_runops)
184#define CALLREGCOMP CALL_FPTR(PL_regcompp)
185#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 186#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
187#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
188#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 189
27da23d5
JH		 190#if defined(SYMBIAN) && defined(__GNUC__)
191# undef __attribute__
192# undef __attribute__(_arg_)
193# define HASATTRIBUTE
194#endif
195
44dbb695 196#ifdef HASATTRIBUTE
94b00aa4 197# if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
3da75212
MB		 198# define PERL_UNUSED_DECL
199# else
200# define PERL_UNUSED_DECL __attribute__((unused))
201# endif
44dbb695
JH		 202#else
203# define PERL_UNUSED_DECL
204#endif
27da23d5
JH		 205
206#if defined(SYMBIAN) && defined(__GNUC__)
207# undef __attribute__
208# undef __attribute__(_arg_)
209# define HASATTRIBUTE
210#endif
44dbb695 211
349b520e
DM		 212/* gcc -Wall:
213 * for silencing unused variables that are actually used most of the time,
214 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
215 */
216#define PERL_UNUSED_VAR(var) if (0) var = var
217
0cb96387 218#define NOOP (void)0
44dbb695 219#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 220
0cb96387
GS		 221#ifndef pTHX
222# define pTHX void
223# define pTHX_
0cb96387
GS		 224# define aTHX
225# define aTHX_
0cb96387
GS		 226# define dTHXa(a) dNOOP
227# define dTHX dNOOP
894356b3
GS		 228# define pTHX_1 1
229# define pTHX_2 2
230# define pTHX_3 3
231# define pTHX_4 4
0cb96387
GS		 232#endif
233
27da23d5
JH		 234#ifndef dVAR
235# define dVAR dNOOP
236#endif
237
b4f7f263
GS		 238/* these are only defined for compatibility; should not be used internally */
239#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 240# define pTHXo pTHX
241# define pTHXo_ pTHX_
0cb96387
GS		 242# define aTHXo aTHX
243# define aTHXo_ aTHX_
c5be433b 244# define dTHXo dTHX
71d280e3 245# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 246#endif
247
248#ifndef pTHXx
249# define pTHXx register PerlInterpreter *my_perl
250# define pTHXx_ pTHXx,
0cb96387
GS		 251# define aTHXx my_perl
252# define aTHXx_ aTHXx,
c5be433b 253# define dTHXx dTHX
22c35a8c 254#endif
71be2cbc 255
1de7c2ac
GS		 256/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
257 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
258 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
259#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 260# ifdef PERL_GLOBAL_STRUCT_PRIVATE
261# define dTHXs dVAR; dTHX
262# else
263# define dTHXs dTHX
264# endif
1de7c2ac 265#else
27da23d5
JH		 266# ifdef PERL_GLOBAL_STRUCT_PRIVATE
267# define dTHXs dVAR
268# else
269# define dTHXs dNOOP
270# endif
1de7c2ac
GS		 271#endif
272
326b05e3
GS		 273#undef START_EXTERN_C
274#undef END_EXTERN_C
275#undef EXTERN_C
32f822de
GS		 276#ifdef __cplusplus
277# define START_EXTERN_C extern "C" {
278# define END_EXTERN_C }
279# define EXTERN_C extern "C"
280#else
d460ef45
NIS		 281# define START_EXTERN_C
282# define END_EXTERN_C
73c4f7a1 283# define EXTERN_C extern
32f822de
GS		 284#endif
285
27da23d5
JH		 286/* Some platforms require marking function declarations
287 * for them to be exportable. Used in perlio.h, proto.h
288 * is handled either by the makedef.pl or by defining the
289 * PERL_CALLCONV to be something special. See also the
290 * definition of XS() in XSUB.h. */
291#ifndef PERL_EXPORT_C
292# define PERL_EXPORT_C extern
293#endif
294#ifndef PERL_XS_EXPORT_C
295# define PERL_XS_EXPORT_C
296#endif
297
462e5cf6
MB		 298#ifdef OP_IN_REGISTER
299# ifdef __GNUC__
300# define stringify_immed(s) #s
301# define stringify(s) stringify_immed(s)
d1ca3daa 302register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 303# endif
304#endif
305
5dc8bdac 306#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 307# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
308# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
309# endif
5dc8bdac
JH		 310#endif
311
728e2803 312/*
313 * STMT_START { statements; } STMT_END;
314 * can be used as a single statement, as in
315 * if (x) STMT_START { ... } STMT_END; else ...
316 *
317 * Trying to select a version that gives no warnings...
318 */
319#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 320# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 321# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
322# define STMT_END )
323# else
324 /* Now which other defined()s do we need here ??? */
93189314 325# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 326# define STMT_START if (1)
327# define STMT_END else (void)0
328# else
329# define STMT_START do
330# define STMT_END while (0)
331# endif
332# endif
333#endif
334
0cb96387 335#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 336#define WITH_THR(s) WITH_THX(s)
ea0efc06 337
55497cff 338/*
339 * SOFT_CAST can be used for args to prototyped functions to retain some
340 * type checking; it only casts if the compiler does not know prototypes.
341 */
342#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
343#define SOFT_CAST(type)
344#else
345#define SOFT_CAST(type) (type)
346#endif
79072805 347
d6f9c181
JH		 348#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
349# define BYTEORDER 0x1234
79072805
LW		 350#endif
351
352/* Overall memory policy? */
353#ifndef CONSERVATIVE
354# define LIBERAL 1
355#endif
356
8ada0baa
JH		 357#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
358#define ASCIIish
359#else
360#undef ASCIIish
361#endif
362
79072805
LW		 363/*
364 * The following contortions are brought to you on behalf of all the
365 * standards, semi-standards, de facto standards, not-so-de-facto standards
366 * of the world, as well as all the other botches anyone ever thought of.
367 * The basic theory is that if we work hard enough here, the rest of the
368 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
369 */
ac58e20f 370
ee0007ab 371/* define this once if either system, instead of cluttering up the src */
2986a63f 372#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 373#define DOSISH 1
374#endif
375
27da23d5 376#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
352d5a3a
LW		 377# define STANDARD_C 1
378#endif
379
a03dbf46 380#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 381# define DONT_DECLARE_STD 1
382#endif
383
352d5a3a 384#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 385# ifdef __cplusplus
cb69f87a 386# define VOL /* to temporarily suppress warnings */
79072805
LW		 387# else
388# define VOL volatile
389# endif
663a0e37 390#else
79072805 391# define VOL
663a0e37
LW		 392#endif
393
3280af22
NIS		 394#define TAINT (PL_tainted = TRUE)
395#define TAINT_NOT (PL_tainted = FALSE)
396#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
397#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 398#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 399
d460ef45 400/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 401 defines move there? If so, I could simplify this a lot. --AD 9/96.
402*/
403/* Process group stuff changed from traditional BSD to POSIX.
404 perlfunc.pod documents the traditional BSD-style syntax, so we'll
405 try to preserve that, if possible.
406*/
407#ifdef HAS_SETPGID
408# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 409#else
a6e633de 410# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
411# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
412# else
413# ifdef HAS_SETPGRP2 /* DG/UX */
414# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
415# endif
416# endif
417#endif
418#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
419# define HAS_SETPGRP /* Well, effectively it does . . . */
420#endif
421
422/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
423 our life easier :-) so we'll try it.
424*/
425#ifdef HAS_GETPGID
426# define BSD_GETPGRP(pid) getpgid((pid))
427#else
428# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
429# define BSD_GETPGRP(pid) getpgrp((pid))
430# else
431# ifdef HAS_GETPGRP2 /* DG/UX */
432# define BSD_GETPGRP(pid) getpgrp2((pid))
433# endif
434# endif
435#endif
436#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
437# define HAS_GETPGRP /* Well, effectively it does . . . */
438#endif
439
d460ef45 440/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 441 have different behaviors, but perl.h used to define USE_BSDPGRP
442 (prior to 5.003_05) so some extension might depend on it.
443*/
444#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
445# ifndef USE_BSDPGRP
446# define USE_BSDPGRP
447# endif
663a0e37
LW		 448#endif
449
8ac5a1fe
MH		 450/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
451 pthread.h must be included before all other header files.
452*/
3db8f154 453#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 454# include <pthread.h>
455#endif
456
760ac839
LW		 457#ifndef _TYPES_ /* If types.h defines this it's easy. */
458# ifndef major /* Does everyone's types.h define this? */
459# include <sys/types.h>
c07a80fd 460# endif
663a0e37
LW		 461#endif
462
760ac839
LW		 463#ifdef __cplusplus
464# ifndef I_STDARG
465# define I_STDARG 1
466# endif
467#endif
468
469#ifdef I_STDARG
470# include <stdarg.h>
471#else
472# ifdef I_VARARGS
473# include <varargs.h>
474# endif
475#endif
476
4633a7c4 477#ifdef USE_NEXT_CTYPE
0c30d9ec 478
092bebab
JH		 479#if NX_CURRENT_COMPILER_RELEASE >= 500
480# include <bsd/ctypes.h>
481#else
482# if NX_CURRENT_COMPILER_RELEASE >= 400
483# include <objc/NXCType.h>
484# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
485# include <appkit/NXCType.h>
486# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
487#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 488
489#else /* !USE_NEXT_CTYPE */
fe14fcc3 490#include <ctype.h>
0c30d9ec 491#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 492
493#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
494#undef METHOD
a0d0e21e
LW		 495#endif
496
12ae5dfc
JH		 497#ifdef PERL_MICRO
498# define NO_LOCALE
499#endif
500
4633a7c4 501#ifdef I_LOCALE
36477c24 502# include <locale.h>
4633a7c4
LW		 503#endif
504
36477c24 505#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
506# define USE_LOCALE
507# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
508 && defined(HAS_STRXFRM)
509# define USE_LOCALE_COLLATE
510# endif
511# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
512# define USE_LOCALE_CTYPE
513# endif
514# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
515# define USE_LOCALE_NUMERIC
516# endif
517#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 518
fe14fcc3 519#include <setjmp.h>
79072805 520
a0d0e21e 521#ifdef I_SYS_PARAM
79072805
LW		 522# ifdef PARAM_NEEDS_TYPES
523# include <sys/types.h>
524# endif
525# include <sys/param.h>
352d5a3a 526#endif
79072805 527
79072805 528/* Use all the "standard" definitions? */
a0d0e21e 529#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 530# include <stdlib.h>
ff68c719 531#endif
03a14243 532
3f270f98
JH		 533/* If this causes problems, set i_unistd=undef in the hint file. */
534#ifdef I_UNISTD
535# include <unistd.h>
536#endif
537
27da23d5
JH		 538#ifdef SYMBIAN
539# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
540#endif
541
7114a2d2 542#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 543int syscall(int, ...);
544#endif
545
7114a2d2 546#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 547int usleep(unsigned int);
2ef53570
JH		 548#endif
549
9a34ef1d
GS		 550#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
551# define MYSWAP
552#endif
553
1109a392
MHM		 554#ifdef PERL_CORE
555
556/* macros for correct constant construction */
557# if INTSIZE >= 2
558# define U16_CONST(x) ((U16)x##U)
559# else
560# define U16_CONST(x) ((U16)x##UL)
561# endif
562
563# if INTSIZE >= 4
564# define U32_CONST(x) ((U32)x##U)
565# else
566# define U32_CONST(x) ((U32)x##UL)
567# endif
568
569# ifdef HAS_QUAD
570# if INTSIZE >= 8
571# define U64_CONST(x) ((U64)x##U)
572# elif LONGSIZE >= 8
573# define U64_CONST(x) ((U64)x##UL)
574# elif QUADKIND == QUAD_IS_LONG_LONG
575# define U64_CONST(x) ((U64)x##ULL)
576# else /* best guess we can make */
577# define U64_CONST(x) ((U64)x##UL)
578# endif
579# endif
580
581/* byte-swapping functions for big-/little-endian conversion */
582# define _swab_16_(x) ((U16)( \
583 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
584 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
585
586# define _swab_32_(x) ((U32)( \
587 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
588 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
589 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
590 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
591
592# ifdef HAS_QUAD
593# define _swab_64_(x) ((U64)( \
594 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
595 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
596 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
597 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
598 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
599 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
600 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
601 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
602# endif
603
604/*----------------------------------------------------------------------------*/
605# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
606/*----------------------------------------------------------------------------*/
607# define my_htole16(x) (x)
608# define my_letoh16(x) (x)
609# define my_htole32(x) (x)
610# define my_letoh32(x) (x)
611# define my_htobe16(x) _swab_16_(x)
612# define my_betoh16(x) _swab_16_(x)
613# define my_htobe32(x) _swab_32_(x)
614# define my_betoh32(x) _swab_32_(x)
615# ifdef HAS_QUAD
616# define my_htole64(x) (x)
617# define my_letoh64(x) (x)
618# define my_htobe64(x) _swab_64_(x)
619# define my_betoh64(x) _swab_64_(x)
620# endif
621# define my_htoles(x) (x)
622# define my_letohs(x) (x)
623# define my_htolei(x) (x)
624# define my_letohi(x) (x)
625# define my_htolel(x) (x)
626# define my_letohl(x) (x)
627# if SHORTSIZE == 1
628# define my_htobes(x) (x)
629# define my_betohs(x) (x)
630# elif SHORTSIZE == 2
631# define my_htobes(x) _swab_16_(x)
632# define my_betohs(x) _swab_16_(x)
633# elif SHORTSIZE == 4
634# define my_htobes(x) _swab_32_(x)
635# define my_betohs(x) _swab_32_(x)
636# elif SHORTSIZE == 8
637# define my_htobes(x) _swab_64_(x)
638# define my_betohs(x) _swab_64_(x)
639# else
640# define PERL_NEED_MY_HTOBES
641# define PERL_NEED_MY_BETOHS
642# endif
643# if INTSIZE == 1
644# define my_htobei(x) (x)
645# define my_betohi(x) (x)
646# elif INTSIZE == 2
647# define my_htobei(x) _swab_16_(x)
648# define my_betohi(x) _swab_16_(x)
649# elif INTSIZE == 4
650# define my_htobei(x) _swab_32_(x)
651# define my_betohi(x) _swab_32_(x)
652# elif INTSIZE == 8
653# define my_htobei(x) _swab_64_(x)
654# define my_betohi(x) _swab_64_(x)
655# else
656# define PERL_NEED_MY_HTOBEI
657# define PERL_NEED_MY_BETOHI
658# endif
659# if LONGSIZE == 1
660# define my_htobel(x) (x)
661# define my_betohl(x) (x)
662# elif LONGSIZE == 2
663# define my_htobel(x) _swab_16_(x)
664# define my_betohl(x) _swab_16_(x)
665# elif LONGSIZE == 4
666# define my_htobel(x) _swab_32_(x)
667# define my_betohl(x) _swab_32_(x)
668# elif LONGSIZE == 8
669# define my_htobel(x) _swab_64_(x)
670# define my_betohl(x) _swab_64_(x)
671# else
672# define PERL_NEED_MY_HTOBEL
673# define PERL_NEED_MY_BETOHL
674# endif
675# define my_htolen(p,n) NOOP
676# define my_letohn(p,n) NOOP
677# define my_htoben(p,n) my_swabn(p,n)
678# define my_betohn(p,n) my_swabn(p,n)
679/*----------------------------------------------------------------------------*/
680# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
681/*----------------------------------------------------------------------------*/
682# define my_htobe16(x) (x)
683# define my_betoh16(x) (x)
684# define my_htobe32(x) (x)
685# define my_betoh32(x) (x)
686# define my_htole16(x) _swab_16_(x)
687# define my_letoh16(x) _swab_16_(x)
688# define my_htole32(x) _swab_32_(x)
689# define my_letoh32(x) _swab_32_(x)
690# ifdef HAS_QUAD
691# define my_htobe64(x) (x)
692# define my_betoh64(x) (x)
693# define my_htole64(x) _swab_64_(x)
694# define my_letoh64(x) _swab_64_(x)
695# endif
696# define my_htobes(x) (x)
697# define my_betohs(x) (x)
698# define my_htobei(x) (x)
699# define my_betohi(x) (x)
700# define my_htobel(x) (x)
701# define my_betohl(x) (x)
702# if SHORTSIZE == 1
703# define my_htoles(x) (x)
704# define my_letohs(x) (x)
705# elif SHORTSIZE == 2
706# define my_htoles(x) _swab_16_(x)
707# define my_letohs(x) _swab_16_(x)
708# elif SHORTSIZE == 4
709# define my_htoles(x) _swab_32_(x)
710# define my_letohs(x) _swab_32_(x)
711# elif SHORTSIZE == 8
712# define my_htoles(x) _swab_64_(x)
713# define my_letohs(x) _swab_64_(x)
714# else
715# define PERL_NEED_MY_HTOLES
716# define PERL_NEED_MY_LETOHS
717# endif
718# if INTSIZE == 1
719# define my_htolei(x) (x)
720# define my_letohi(x) (x)
721# elif INTSIZE == 2
722# define my_htolei(x) _swab_16_(x)
723# define my_letohi(x) _swab_16_(x)
724# elif INTSIZE == 4
725# define my_htolei(x) _swab_32_(x)
726# define my_letohi(x) _swab_32_(x)
727# elif INTSIZE == 8
728# define my_htolei(x) _swab_64_(x)
729# define my_letohi(x) _swab_64_(x)
730# else
731# define PERL_NEED_MY_HTOLEI
732# define PERL_NEED_MY_LETOHI
733# endif
734# if LONGSIZE == 1
735# define my_htolel(x) (x)
736# define my_letohl(x) (x)
737# elif LONGSIZE == 2
738# define my_htolel(x) _swab_16_(x)
739# define my_letohl(x) _swab_16_(x)
740# elif LONGSIZE == 4
741# define my_htolel(x) _swab_32_(x)
742# define my_letohl(x) _swab_32_(x)
743# elif LONGSIZE == 8
744# define my_htolel(x) _swab_64_(x)
745# define my_letohl(x) _swab_64_(x)
746# else
747# define PERL_NEED_MY_HTOLEL
748# define PERL_NEED_MY_LETOHL
749# endif
750# define my_htolen(p,n) my_swabn(p,n)
751# define my_letohn(p,n) my_swabn(p,n)
752# define my_htoben(p,n) NOOP
753# define my_betohn(p,n) NOOP
754/*----------------------------------------------------------------------------*/
755# else /* all other byte-orders */
756/*----------------------------------------------------------------------------*/
757# define PERL_NEED_MY_HTOLE16
758# define PERL_NEED_MY_LETOH16
759# define PERL_NEED_MY_HTOBE16
760# define PERL_NEED_MY_BETOH16
761# define PERL_NEED_MY_HTOLE32
762# define PERL_NEED_MY_LETOH32
763# define PERL_NEED_MY_HTOBE32
764# define PERL_NEED_MY_BETOH32
765# ifdef HAS_QUAD
766# define PERL_NEED_MY_HTOLE64
767# define PERL_NEED_MY_LETOH64
768# define PERL_NEED_MY_HTOBE64
769# define PERL_NEED_MY_BETOH64
770# endif
771# define PERL_NEED_MY_HTOLES
772# define PERL_NEED_MY_LETOHS
773# define PERL_NEED_MY_HTOBES
774# define PERL_NEED_MY_BETOHS
775# define PERL_NEED_MY_HTOLEI
776# define PERL_NEED_MY_LETOHI
777# define PERL_NEED_MY_HTOBEI
778# define PERL_NEED_MY_BETOHI
779# define PERL_NEED_MY_HTOLEL
780# define PERL_NEED_MY_LETOHL
781# define PERL_NEED_MY_HTOBEL
782# define PERL_NEED_MY_BETOHL
783/*----------------------------------------------------------------------------*/
784# endif /* end of byte-order macros */
785/*----------------------------------------------------------------------------*/
786
9c17f24a
NC		 787/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
788 at least on FreeBSD. YMMV, so experiment. */
789#ifndef PERL_ARENA_SIZE
790#define PERL_ARENA_SIZE 4080
791#endif
792
1109a392
MHM		 793#endif /* PERL_CORE */
794
66a93824
NIS		 795/* Cannot include embed.h here on Win32 as win32.h has not
796 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
797 */
96e176bf 798#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 799# include "embed.h"
800#endif
801
c31fac66
GS		 802#define MEM_SIZE Size_t
803
51371543
GS		 804#if defined(STANDARD_C) && defined(I_STDDEF)
805# include <stddef.h>
806# define STRUCT_OFFSET(s,m) offsetof(s,m)
807#else
808# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
809#endif
810
27da23d5
JH		 811#ifndef SYMBIAN
812# if defined(I_STRING) || defined(__cplusplus)
813# include <string.h>
814# else
815# include <strings.h>
816# endif
51371543
GS		 817#endif
818
55497cff 819/* This comes after <stdlib.h> so we don't try to change the standard
820 * library prototypes; we'll use our own in proto.h instead. */
03a14243 821
4633a7c4 822#ifdef MYMALLOC
86058a2d 823# ifdef PERL_POLLUTE_MALLOC
ee13e175 824# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 825# define Perl_malloc malloc
826# define Perl_calloc calloc
827# define Perl_realloc realloc
828# define Perl_mfree free
ee13e175 829# endif
86058a2d
GS		 830# else
831# define EMBEDMYMALLOC /* for compatibility */
832# endif
827e134a 833
651b9576
GS		 834# define safemalloc Perl_malloc
835# define safecalloc Perl_calloc
836# define saferealloc Perl_realloc
837# define safefree Perl_mfree
22f7c9c9
JH		 838# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
839 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
840 code; \
841 } STMT_END
842# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
843 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
844# define panic_write2(s) write(2, s, strlen(s))
845# define CHECK_MALLOC_TAINT(newval) \
846 CHECK_MALLOC_TOO_LATE_FOR_( \
847 if (newval) { \
848 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
849 exit(1); })
22f7c9c9 850# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 851 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 852 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
853 }} STMT_END;
f2517201
GS		 854#else /* MYMALLOC */
855# define safemalloc safesysmalloc
856# define safecalloc safesyscalloc
857# define saferealloc safesysrealloc
858# define safefree safesysfree
22f7c9c9
JH		 859# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
860# define CHECK_MALLOC_TAINT(newval) ((void)0)
861# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 862#endif /* MYMALLOC */
4633a7c4 863
27da23d5 864#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		 865#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
866#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
867#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
868
a0d0e21e
LW		 869#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
870#define strchr index
871#define strrchr rindex
872#endif
873
16d20bd9
AD		 874#ifdef I_MEMORY
875# include <memory.h>
876#endif
877
fe14fcc3 878#ifdef HAS_MEMCPY
85e6fe83 879# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 880# ifndef memcpy
20ce7b12 881 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 882# endif
883# endif
884#else
885# ifndef memcpy
886# ifdef HAS_BCOPY
887# define memcpy(d,s,l) bcopy(s,d,l)
888# else
889# define memcpy(d,s,l) my_bcopy(s,d,l)
890# endif
891# endif
892#endif /* HAS_MEMCPY */
fe14fcc3 893
ee0007ab 894#ifdef HAS_MEMSET
85e6fe83 895# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 896# ifndef memset
20ce7b12 897 extern char *memset (char*, int, int);
ee0007ab
LW		 898# endif
899# endif
ee0007ab 900#else
12ae5dfc 901# undef memset
fc36a67e 902# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 903#endif /* HAS_MEMSET */
904
85e6fe83 905#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 906# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 907# define memmove(d,s,l) bcopy(s,d,l)
908# else
2304df62 909# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 910# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 911# else
79072805 912# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 913# endif
352d5a3a 914# endif
d9d8d8de 915#endif
ee0007ab 916
36477c24 917#if defined(mips) && defined(ultrix) && !defined(__STDC__)
918# undef HAS_MEMCMP
919#endif
920
921#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 922# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 923# ifndef memcmp
20ce7b12 924 extern int memcmp (char*, char*, int);
ee0007ab
LW		 925# endif
926# endif
36477c24 927# ifdef BUGGY_MSC
7e4e8c89 928# pragma function(memcmp)
36477c24 929# endif
ee0007ab
LW		 930#else
931# ifndef memcmp
ecfc5424 932# define memcmp my_memcmp
352d5a3a 933# endif
36477c24 934#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 935
fc36a67e 936#ifndef memzero
c635e13b 937# ifdef HAS_MEMSET
938# define memzero(d,l) memset(d,0,l)
79072805 939# else
c635e13b 940# ifdef HAS_BZERO
941# define memzero(d,l) bzero(d,l)
79072805 942# else
fc36a67e 943# define memzero(d,l) my_bzero(d,l)
79072805
LW		 944# endif
945# endif
d9d8d8de 946#endif
378cc40b 947
2f42fcb0 948#ifndef PERL_MICRO
0f27ced1
JH		 949#ifndef memchr
950# ifndef HAS_MEMCHR
951# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
952# endif
953#endif
2f42fcb0 954#endif
0f27ced1 955
36477c24 956#ifndef HAS_BCMP
957# ifndef bcmp
958# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 959# endif
36477c24 960#endif /* !HAS_BCMP */
378cc40b 961
ae986130 962#ifdef I_NETINET_IN
79072805 963# include <netinet/in.h>
ae986130
LW		 964#endif
965
28e8609d
JH		 966#ifdef I_ARPA_INET
967# include <arpa/inet.h>
968#endif
969
84902520
TB		 970#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
971/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
972 * (the neo-BSD seem to do this). */
973# undef SF_APPEND
974#endif
975
1aef975c 976#ifdef I_SYS_STAT
84902520 977# include <sys/stat.h>
1aef975c 978#endif
79072805 979
a0d0e21e
LW		 980/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
981 like UTekV) are broken, sometimes giving false positives. Undefine
982 them here and let the code below set them to proper values.
983
984 The ghs macro stands for GreenHills Software C-1.8.5 which
985 is the C compiler for sysV88 and the various derivatives.
986 This header file bug is corrected in gcc-2.5.8 and later versions.
987 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
988
989#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 990# undef S_ISDIR
991# undef S_ISCHR
992# undef S_ISBLK
993# undef S_ISREG
994# undef S_ISFIFO
995# undef S_ISLNK
ee0007ab 996#endif
135863df 997
663a0e37
LW		 998#ifdef I_TIME
999# include <time.h>
ffed7fef 1000#endif
663a0e37 1001
fe14fcc3 1002#ifdef I_SYS_TIME
85e6fe83 1003# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1004# define KERNEL
1005# endif
1006# include <sys/time.h>
85e6fe83 1007# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1008# undef KERNEL
1009# endif
a687059c 1010#endif
135863df 1011
55497cff 1012#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1013# include <sys/times.h>
d9d8d8de 1014#endif
8d063cd8 1015
fe14fcc3 1016#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1017# undef HAS_STRERROR
663a0e37
LW		 1018#endif
1019
1020#include <errno.h>
1e743fda 1021
acfe0abc 1022#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1023# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1024#endif
1025
8cfab5ff
JH		 1026/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1027 * This is important for using IPv6.
1028 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1029 * a bad idea since it breaks send() and recv(). */
1030#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1031# define _SOCKADDR_LEN
1032#endif
1033
8d3f517a 1034#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1035# include <sys/socket.h>
1036# if defined(USE_SOCKS) && defined(I_SOCKS)
1037# if !defined(INCLUDE_PROTOTYPES)
1038# define INCLUDE_PROTOTYPES /* for <socks.h> */
1039# define PERL_SOCKS_NEED_PROTOTYPES
1040# endif
1041# include <socks.h>
1042# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1043# undef INCLUDE_PROTOTYPES
1044# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1045# endif
d460ef45 1046# endif
1e743fda 1047# ifdef I_NETDB
2986a63f
JH		 1048# ifdef NETWARE
1049# include<stdio.h>
1050# endif
1e743fda
JH		 1051# include <netdb.h>
1052# endif
1053# ifndef ENOTSOCK
1054# ifdef I_NET_ERRNO
1055# include <net/errno.h>
1056# endif
1057# endif
1058#endif
1059
fa0a29af 1060/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1061 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1062 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1063#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1064# if defined(__THROW) && defined(__GLIBC__)
1065int sockatmark(int) __THROW;
1066# else
2ef53570 1067int sockatmark(int);
29820b6d 1068# endif
2ef53570
JH		 1069#endif
1070
1e743fda
JH		 1071#ifdef SETERRNO
1072# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1073#endif
f86702cc 1074
1075#ifdef VMS
1076# define SETERRNO(errcode,vmserrcode) \
1077 STMT_START { \
1078 set_errno(errcode); \
1079 set_vaxc_errno(vmserrcode); \
1080 } STMT_END
93189314
JH		 1081# define LIB_INVARG LIB$_INVARG
1082# define RMS_DIR RMS$_DIR
1083# define RMS_FAC RMS$_FAC
1084# define RMS_FEX RMS$_FEX
1085# define RMS_FNF RMS$_FNF
1086# define RMS_IFI RMS$_IFI
1087# define RMS_ISI RMS$_ISI
1088# define RMS_PRV RMS$_PRV
1089# define SS_ACCVIO SS$_ACCVIO
1090# define SS_DEVOFFLINE SS$_DEVOFFLINE
1091# define SS_IVCHAN SS$_IVCHAN
1092# define SS_NORMAL SS$_NORMAL
748a9306 1093#else
aba27d88 1094# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1095# define LIB_INVARG 0
1096# define RMS_DIR 0
1097# define RMS_FAC 0
1098# define RMS_FEX 0
1099# define RMS_FNF 0
1100# define RMS_IFI 0
1101# define RMS_ISI 0
1102# define RMS_PRV 0
1103# define SS_ACCVIO 0
1104# define SS_DEVOFFLINE 0
1105# define SS_IVCHAN 0
1106# define SS_NORMAL 0
748a9306 1107#endif
ed6116ce 1108
3db8f154
MB		 1109#define ERRSV GvSV(PL_errgv)
1110#define DEFSV GvSV(PL_defgv)
1111#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1112
98eae8f5
GS		 1113#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1114
55497cff 1115#ifndef errno
5ff3f7a4
GS		 1116 extern int errno; /* ANSI allows errno to be an lvalue expr.
1117 * For example in multithreaded environments
1118 * something like this might happen:
1119 * extern int *_errno(void);
1120 * #define errno (*_errno()) */
d9d8d8de 1121#endif
663a0e37 1122
2304df62 1123#ifdef HAS_STRERROR
a0d0e21e 1124# ifdef VMS
20ce7b12 1125 char *strerror (int,...);
a0d0e21e 1126# else
68dc0745 1127#ifndef DONT_DECLARE_STD
20ce7b12 1128 char *strerror (int);
68dc0745 1129#endif
a0d0e21e 1130# endif
2304df62
AD		 1131# ifndef Strerror
1132# define Strerror strerror
1133# endif
1134#else
1135# ifdef HAS_SYS_ERRLIST
79072805
LW		 1136 extern int sys_nerr;
1137 extern char *sys_errlist[];
2304df62
AD		 1138# ifndef Strerror
1139# define Strerror(e) \
79072805 1140 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1141# endif
79072805 1142# endif
35c8bce7 1143#endif
663a0e37 1144
2304df62 1145#ifdef I_SYS_IOCTL
79072805
LW		 1146# ifndef _IOCTL_
1147# include <sys/ioctl.h>
1148# endif
a687059c
LW		 1149#endif
1150
ee0007ab 1151#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1152# ifdef HAS_SOCKETPAIR
1153# undef HAS_SOCKETPAIR
1154# endif
2304df62
AD		 1155# ifdef I_NDBM
1156# undef I_NDBM
79072805 1157# endif
a687059c
LW		 1158#endif
1159
02fc2eee
NC		 1160#ifndef HAS_SOCKETPAIR
1161# ifdef HAS_SOCKET
1162# define socketpair Perl_my_socketpair
1163# endif
1164#endif
1165
a687059c 1166#if INTSIZE == 2
79072805
LW		 1167# define htoni htons
1168# define ntohi ntohs
a687059c 1169#else
79072805
LW		 1170# define htoni htonl
1171# define ntohi ntohl
a687059c
LW		 1172#endif
1173
a0d0e21e 1174/* Configure already sets Direntry_t */
35c8bce7 1175#if defined(I_DIRENT)
663a0e37 1176# include <dirent.h>
8f1f23e8
W		 1177 /* NeXT needs dirent + sys/dir.h */
1178# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1179# include <sys/dir.h>
1180# endif
ae986130 1181#else
fe14fcc3 1182# ifdef I_SYS_NDIR
79a0689e 1183# include <sys/ndir.h>
663a0e37 1184# else
fe14fcc3 1185# ifdef I_SYS_DIR
79a0689e
LW		 1186# ifdef hp9000s500
1187# include <ndir.h> /* may be wrong in the future */
1188# else
1189# include <sys/dir.h>
1190# endif
663a0e37
LW		 1191# endif
1192# endif
4633a7c4 1193#endif
a687059c 1194
12ae5dfc
JH		 1195#ifdef PERL_MICRO
1196# ifndef DIR
1197# define DIR void
1198# endif
1199#endif
1200
352d5a3a
LW		 1201#ifdef FPUTS_BOTCH
1202/* work around botch in SunOS 4.0.1 and 4.0.2 */
1203# ifndef fputs
79072805 1204# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1205# endif
1206#endif
1207
c623bd54
LW		 1208/*
1209 * The following gobbledygook brought to you on behalf of __STDC__.
1210 * (I could just use #ifndef __STDC__, but this is more bulletproof
1211 * in the face of half-implementations.)
1212 */
1213
7114a2d2 1214#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1215#include <sys/mode.h>
1216#endif
1217
c623bd54
LW		 1218#ifndef S_IFMT
1219# ifdef _S_IFMT
1220# define S_IFMT _S_IFMT
1221# else
1222# define S_IFMT 0170000
1223# endif
1224#endif
1225
1226#ifndef S_ISDIR
1227# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1228#endif
1229
1230#ifndef S_ISCHR
1231# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1232#endif
1233
1234#ifndef S_ISBLK
fe14fcc3
LW		 1235# ifdef S_IFBLK
1236# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1237# else
1238# define S_ISBLK(m) (0)
1239# endif
c623bd54
LW		 1240#endif
1241
1242#ifndef S_ISREG
1243# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1244#endif
1245
1246#ifndef S_ISFIFO
fe14fcc3
LW		 1247# ifdef S_IFIFO
1248# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1249# else
1250# define S_ISFIFO(m) (0)
1251# endif
c623bd54
LW		 1252#endif
1253
1254#ifndef S_ISLNK
1255# ifdef _S_ISLNK
1256# define S_ISLNK(m) _S_ISLNK(m)
1257# else
1258# ifdef _S_IFLNK
1259# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1260# else
1261# ifdef S_IFLNK
1262# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1263# else
1264# define S_ISLNK(m) (0)
1265# endif
1266# endif
1267# endif
1268#endif
1269
1270#ifndef S_ISSOCK
1271# ifdef _S_ISSOCK
1272# define S_ISSOCK(m) _S_ISSOCK(m)
1273# else
1274# ifdef _S_IFSOCK
1275# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1276# else
1277# ifdef S_IFSOCK
1278# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1279# else
1280# define S_ISSOCK(m) (0)
1281# endif
1282# endif
1283# endif
1284#endif
1285
1286#ifndef S_IRUSR
1287# ifdef S_IREAD
1288# define S_IRUSR S_IREAD
1289# define S_IWUSR S_IWRITE
1290# define S_IXUSR S_IEXEC
1291# else
1292# define S_IRUSR 0400
1293# define S_IWUSR 0200
1294# define S_IXUSR 0100
1295# endif
fac7cdfc
JS		 1296#endif
1297
1298#ifndef S_IRGRP
1299# ifdef S_IRUSR
1300# define S_IRGRP (S_IRUSR>>3)
1301# define S_IWGRP (S_IWUSR>>3)
1302# define S_IXGRP (S_IXUSR>>3)
1303# else
1304# define S_IRGRP 0040
1305# define S_IWGRP 0020
1306# define S_IXGRP 0010
1307# endif
1308#endif
1309
1310#ifndef S_IROTH
1311# ifdef S_IRUSR
1312# define S_IROTH (S_IRUSR>>6)
1313# define S_IWOTH (S_IWUSR>>6)
1314# define S_IXOTH (S_IXUSR>>6)
1315# else
1316# define S_IROTH 0040
1317# define S_IWOTH 0020
1318# define S_IXOTH 0010
1319# endif
c623bd54
LW		 1320#endif
1321
1322#ifndef S_ISUID
1323# define S_ISUID 04000
1324#endif
1325
1326#ifndef S_ISGID
1327# define S_ISGID 02000
1328#endif
1329
ca6e1c26
JH		 1330#ifndef S_IRWXU
1331# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1332#endif
ca6e1c26
JH		 1333
1334#ifndef S_IRWXG
1335# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1336#endif
ca6e1c26
JH		 1337
1338#ifndef S_IRWXO
1339# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1340#endif
ca6e1c26 1341
c21fb2b8
JH		 1342/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1343 * which would get included through <sys/file.h >, but that is 3000
1344 * lines in the future. --jhi */
1345
1346#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1347# define S_IREAD S_IRUSR
1348#endif
1349
c21fb2b8 1350#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1351# define S_IWRITE S_IWUSR
1352#endif
1353
1354#ifndef S_IEXEC
1355# define S_IEXEC S_IXUSR
1356#endif
1357
79072805
LW		 1358#ifdef ff_next
1359# undef ff_next
352d5a3a
LW		 1360#endif
1361
a0d0e21e 1362#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1363# define SLOPPYDIVIDE
1364#endif
1365
748a9306
LW		 1366#ifdef UV
1367#undef UV
1368#endif
1369
c89df6bf
JH		 1370#ifdef SPRINTF_E_BUG
1371# define sprintf UTS_sprintf_wrap
1372#endif
1373
c495e728
JH		 1374/* Configure gets this right but the UTS compiler gets it wrong.
1375 -- Hal Morris <hom00@utsglobal.com> */
1376#ifdef UTS
1377# undef UVTYPE
1378# define UVTYPE unsigned
1379#endif
1380
05f13f53 1381/*
27d4fb96 1382 The IV type is supposed to be long enough to hold any integral
1383 value or a pointer.
1384 --Andy Dougherty August 1996
1385*/
1386
a22e52b9
JH		 1387typedef IVTYPE IV;
1388typedef UVTYPE UV;
8175356b 1389
10cc9d2a 1390#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1391# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1392# define IV_MAX INT64_MAX
1393# define IV_MIN INT64_MIN
1394# define UV_MAX UINT64_MAX
cae7ae48
JH		 1395# ifndef UINT64_MIN
1396# define UINT64_MIN 0
1397# endif
5ff3f7a4
GS		 1398# define UV_MIN UINT64_MIN
1399# else
1400# define IV_MAX PERL_QUAD_MAX
1401# define IV_MIN PERL_QUAD_MIN
1402# define UV_MAX PERL_UQUAD_MAX
1403# define UV_MIN PERL_UQUAD_MIN
1404# endif
cf2093f6
JH		 1405# define IV_IS_QUAD
1406# define UV_IS_QUAD
79072805 1407#else
8175356b 1408# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1409# define IV_MAX INT32_MAX
1410# define IV_MIN INT32_MIN
716026f9
DL		 1411# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1412# define UV_MAX UINT32_MAX
1413# else
1414# define UV_MAX 4294967295U
1415# endif
cae7ae48
JH		 1416# ifndef UINT32_MIN
1417# define UINT32_MIN 0
1418# endif
5ff3f7a4
GS		 1419# define UV_MIN UINT32_MIN
1420# else
1421# define IV_MAX PERL_LONG_MAX
1422# define IV_MIN PERL_LONG_MIN
1423# define UV_MAX PERL_ULONG_MAX
1424# define UV_MIN PERL_ULONG_MIN
1425# endif
8175356b 1426# if IVSIZE == 8
cf2093f6
JH		 1427# define IV_IS_QUAD
1428# define UV_IS_QUAD
de1c2614
JH		 1429# ifndef HAS_QUAD
1430# define HAS_QUAD
1431# endif
cf2093f6
JH		 1432# else
1433# undef IV_IS_QUAD
1434# undef UV_IS_QUAD
de1c2614 1435# undef HAS_QUAD
cf2093f6 1436# endif
79072805 1437#endif
d7d93a81 1438
1109a392
MHM		 1439#ifndef HAS_QUAD
1440# undef PERL_NEED_MY_HTOLE64
1441# undef PERL_NEED_MY_LETOH64
1442# undef PERL_NEED_MY_HTOBE64
1443# undef PERL_NEED_MY_BETOH64
1444#endif
1445
6cde8aec 1446#if defined(uts) || defined(UTS)
11afe549
HM		 1447# undef UV_MAX
1448# define UV_MAX (4294967295u)
20601011
JH		 1449#endif
1450
cae7ae48 1451#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1452#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1453
28e5dec8 1454#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1455#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1456#endif
1457
d460ef45 1458/*
26bb67e2
JH		 1459 * The macros INT2PTR and NUM2PTR are (despite their names)
1460 * bi-directional: they will convert int/float to or from pointers.
1461 * However the conversion to int/float are named explicitly:
1462 * PTR2IV, PTR2UV, PTR2NV.
1463 *
1464 * For int conversions we do not need two casts if pointers are
1465 * the same size as IV and UV. Otherwise we need an explicit
1466 * cast (PTRV) to avoid compiler warnings.
1467 */
56431972
RB		 1468#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1469# define PTRV UV
1470# define INT2PTR(any,d) (any)(d)
1471#else
d460ef45 1472# if PTRSIZE == LONGSIZE
56431972 1473# define PTRV unsigned long
42718184 1474# else
56431972 1475# define PTRV unsigned
42718184 1476# endif
56431972 1477# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1478#endif
56431972
RB		 1479#define NUM2PTR(any,d) (any)(PTRV)(d)
1480#define PTR2IV(p) INT2PTR(IV,p)
1481#define PTR2UV(p) INT2PTR(UV,p)
1482#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1483#if PTRSIZE == LONGSIZE
d2560b70
RB		 1484# define PTR2ul(p) (unsigned long)(p)
1485#else
1486# define PTR2ul(p) INT2PTR(unsigned long,p)
1487#endif
d460ef45 1488
65202027 1489#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1490# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1491# define LONG_DOUBLE_EQUALS_DOUBLE
1492# endif
68d4903c 1493# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1494# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1495# endif
1496#endif
1497
2d4389e4
JH		 1498#ifdef OVR_DBL_DIG
1499/* Use an overridden DBL_DIG */
1500# ifdef DBL_DIG
1501# undef DBL_DIG
1502# endif
1503# define DBL_DIG OVR_DBL_DIG
1504#else
1505/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1506 default value for printing floating point numbers in Gconvert
1507 (see config.h). (It also has other uses, such as figuring out if
1508 a given precision of printing can be done with a double instead of
1509 a long double - Allen).
2d4389e4
JH		 1510*/
1511#ifdef I_LIMITS
1512#include <limits.h>
1513#endif
1514#ifdef I_FLOAT
1515#include <float.h>
1516#endif
1517#ifndef HAS_DBL_DIG
1518#define DBL_DIG 15 /* A guess that works lots of places */
1519#endif
1520#endif
cbca01e1
JH		 1521#ifdef I_FLOAT
1522#include <float.h>
1523#endif
1524#ifndef HAS_DBL_DIG
1525#define DBL_DIG 15 /* A guess that works lots of places */
1526#endif
2d4389e4
JH		 1527
1528#ifdef OVR_LDBL_DIG
1529/* Use an overridden LDBL_DIG */
1530# ifdef LDBL_DIG
1531# undef LDBL_DIG
1532# endif
1533# define LDBL_DIG OVR_LDBL_DIG
1534#else
1535/* The following is all to get LDBL_DIG, in order to pick a nice
1536 default value for printing floating point numbers in Gconvert.
1537 (see config.h)
1538*/
68d4903c
JH		 1539# ifdef I_LIMITS
1540# include <limits.h>
1541# endif
1542# ifdef I_FLOAT
1543# include <float.h>
1544# endif
1545# ifndef HAS_LDBL_DIG
1546# if LONG_DOUBLESIZE == 10
1547# define LDBL_DIG 18 /* assume IEEE */
1548# else
1549# if LONG_DOUBLESIZE == 12
1550# define LDBL_DIG 18 /* gcc? */
1551# else
1552# if LONG_DOUBLESIZE == 16
1553# define LDBL_DIG 33 /* assume IEEE */
1554# else
1555# if LONG_DOUBLESIZE == DOUBLESIZE
1556# define LDBL_DIG DBL_DIG /* bummer */
1557# endif
1558# endif
1559# endif
1560# endif
1561# endif
2d4389e4
JH		 1562#endif
1563
20f6aaab
AS		 1564/*
1565 * This is for making sure we have a good DBL_MAX value, if possible,
1566 * either for usage as NV_MAX or for usage in figuring out if we can
1567 * fit a given long double into a double, if bug-fixing makes it
1568 * necessary to do so. - Allen <allens@cpan.org>
1569 */
1570
205f51d8
AS		 1571#ifdef I_LIMITS
1572# include <limits.h>
20f6aaab
AS		 1573#endif
1574
205f51d8
AS		 1575#ifdef I_VALUES
1576# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1577# include <values.h>
1578# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1579# define DBL_MAX MAXDOUBLE
1580# endif
1581# if defined(MINDOUBLE) && !defined(DBL_MIN)
1582# define DBL_MIN MINDOUBLE
1583# endif
1584# endif
1585#endif /* defined(I_VALUES) */
1586
a22e52b9 1587typedef NVTYPE NV;
8175356b 1588
792d8dab
JH		 1589#ifdef I_IEEEFP
1590# include <ieeefp.h>
1591#endif
923fc586 1592
65202027 1593#ifdef USE_LONG_DOUBLE
923fc586
JH		 1594# ifdef I_SUNMATH
1595# include <sunmath.h>
1596# endif
2d4389e4 1597# define NV_DIG LDBL_DIG
d6c14000
JH		 1598# ifdef LDBL_MANT_DIG
1599# define NV_MANT_DIG LDBL_MANT_DIG
1600# endif
06fc1729
JH		 1601# ifdef LDBL_MIN
1602# define NV_MIN LDBL_MIN
1603# endif
1604# ifdef LDBL_MAX
1605# define NV_MAX LDBL_MAX
1606# endif
1607# ifdef LDBL_MIN_10_EXP
1608# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1609# endif
1610# ifdef LDBL_MAX_10_EXP
1611# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1612# endif
1613# ifdef LDBL_EPSILON
1614# define NV_EPSILON LDBL_EPSILON
1615# endif
f4a14a62
JH		 1616# ifdef LDBL_MAX
1617# define NV_MAX LDBL_MAX
20f6aaab 1618/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1619# else
1620# ifdef HUGE_VALL
1621# define NV_MAX HUGE_VALL
1622# else
1623# ifdef HUGE_VAL
1624# define NV_MAX ((NV)HUGE_VAL)
1625# endif
1626# endif
1627# endif
68d4903c 1628# ifdef HAS_SQRTL
68d4903c
JH		 1629# define Perl_cos cosl
1630# define Perl_sin sinl
1631# define Perl_sqrt sqrtl
1632# define Perl_exp expl
1633# define Perl_log logl
1634# define Perl_atan2 atan2l
1635# define Perl_pow powl
1636# define Perl_floor floorl
1bbae031 1637# define Perl_ceil ceill
68d4903c
JH		 1638# define Perl_fmod fmodl
1639# endif
a3540c92
JH		 1640/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1641# ifdef HAS_MODFL
1642# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1643/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1644 prototype in <math.h> */
1645# ifndef HAS_MODFL_PROTO
a221a8a5 1646EXTERN_C long double modfl(long double, long double *);
51997bc3 1647# endif
03476e8e
JH		 1648# else
1649# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1650 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1651# define Perl_modf(x,y) Perl_my_modfl(x,y)
1652# endif
a3540c92
JH		 1653# endif
1654# ifdef HAS_FREXPL
dff3e0b8 1655# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1656# else
1657# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1658 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1659# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1660# endif
a3540c92 1661# endif
38dbb4c5 1662# ifndef Perl_isnan
758a5d79
JH		 1663# ifdef HAS_ISNANL
1664# define Perl_isnan(x) isnanl(x)
1665# endif
1666# endif
1667# ifndef Perl_isinf
1668# ifdef HAS_FINITEL
1669# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1670# endif
1671# endif
65202027 1672#else
2d4389e4 1673# define NV_DIG DBL_DIG
d6c14000
JH		 1674# ifdef DBL_MANT_DIG
1675# define NV_MANT_DIG DBL_MANT_DIG
1676# endif
06fc1729
JH		 1677# ifdef DBL_MIN
1678# define NV_MIN DBL_MIN
1679# endif
1680# ifdef DBL_MAX
1681# define NV_MAX DBL_MAX
1682# endif
1683# ifdef DBL_MIN_10_EXP
1684# define NV_MIN_10_EXP DBL_MIN_10_EXP
1685# endif
1686# ifdef DBL_MAX_10_EXP
1687# define NV_MAX_10_EXP DBL_MAX_10_EXP
1688# endif
1689# ifdef DBL_EPSILON
1690# define NV_EPSILON DBL_EPSILON
1691# endif
205f51d8 1692# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1693# define NV_MAX DBL_MAX
1694# define NV_MIN DBL_MIN
1695# else
1696# ifdef HUGE_VAL
1697# define NV_MAX HUGE_VAL
1698# endif
1699# endif
65202027
DS		 1700# define Perl_cos cos
1701# define Perl_sin sin
1702# define Perl_sqrt sqrt
1703# define Perl_exp exp
1704# define Perl_log log
1705# define Perl_atan2 atan2
1706# define Perl_pow pow
1707# define Perl_floor floor
1bbae031 1708# define Perl_ceil ceil
65202027 1709# define Perl_fmod fmod
a3540c92 1710# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1711# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1712#endif
1713
1714/* rumor has it that Win32 has _fpclass() */
1715
205f51d8
AS		 1716/* SGI has fpclassl... but not with the same result values,
1717 * and it's via a typedef (not via #define), so will need to redo Configure
1718 * to use. Not worth the trouble, IMO, at least until the below is used
1719 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1720 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1721 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1722
758a5d79
JH		 1723#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1724# ifdef I_IEEFP
1725# include <ieeefp.h>
1726# endif
1727# ifdef I_FP
1728# include <fp.h>
1729# endif
1730# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1731# define Perl_fp_class() fpclassl(x)
1732# else
1733# define Perl_fp_class() fpclass(x)
1734# endif
1735# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1736# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1737# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1738# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1739# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1740# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1741# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1742# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1743# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1744# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1745# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1746# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1747# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1748# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1749# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1750#endif
1751
7114a2d2 1752#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1753# include <math.h>
1754# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1755# include <fp_class.h>
1756# endif
1757# define Perl_fp_class(x) fp_class(x)
1758# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1759# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1760# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1761# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1762# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1763# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1764# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1765# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1766# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1767# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1768# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1769# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1770# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1771# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1772# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1773#endif
1774
1775#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1776# include <math.h>
1777# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1778# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1779# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1780# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1781# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1782# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1783#endif
1784
1785#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1786# include <math.h>
1787# ifndef _cplusplus
1788# define Perl_fp_class(x) class(x)
1789# else
1790# define Perl_fp_class(x) _class(x)
1791# endif
1792# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1793# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1794# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1795# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1796# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1797# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1798# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1799# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1800# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1801# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1802# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1803# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1804# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1805# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1806# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1807#endif
1808
1809/* rumor has it that Win32 has _isnan() */
1810
1811#ifndef Perl_isnan
a3540c92 1812# ifdef HAS_ISNAN
758a5d79
JH		 1813# define Perl_isnan(x) isnan((NV)x)
1814# else
1815# ifdef Perl_fp_class_nan
1816# define Perl_isnan(x) Perl_fp_class_nan(x)
1817# else
1818# ifdef HAS_UNORDERED
1819# define Perl_isnan(x) unordered((x), 0.0)
1820# else
1821# define Perl_isnan(x) ((x)!=(x))
1822# endif
1823# endif
1824# endif
1825#endif
1826
ca6c63e1
JH		 1827#ifdef UNDER_CE
1828int isnan(double d);
1829#endif
1830
758a5d79
JH		 1831#ifndef Perl_isinf
1832# ifdef HAS_ISINF
1833# define Perl_isinf(x) isinf((NV)x)
a3540c92 1834# else
758a5d79
JH		 1835# ifdef Perl_fp_class_inf
1836# define Perl_isinf(x) Perl_fp_class_inf(x)
1837# else
1838# define Perl_isinf(x) ((x)==NV_INF)
1839# endif
1840# endif
1841#endif
1842
1843#ifndef Perl_isfinite
1844# ifdef HAS_FINITE
1845# define Perl_isfinite(x) finite((NV)x)
1846# else
1847# ifdef HAS_ISFINITE
1848# define Perl_isfinite(x) isfinite(x)
1849# else
1850# ifdef Perl_fp_class_finite
1851# define Perl_isfinite(x) Perl_fp_class_finite(x)
1852# else
1853# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1854# endif
1855# endif
a3540c92 1856# endif
65202027
DS		 1857#endif
1858
a36244b7
JH		 1859/* The default is to use Perl's own atof() implementation (in numeric.c).
1860 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1861 * it is however best to use the native implementation of atof.
1862 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1863 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1864 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1865 * you may need to be using a different function than atof! */
a36244b7
JH		 1866
1867#ifndef USE_PERL_ATOF
1868# ifndef _UNICOS
1869# define USE_PERL_ATOF
1870# endif
1871#else
1872# if USE_PERL_ATOF == 0
1873# undef USE_PERL_ATOF
1874# endif
1875#endif
1876
1877#ifdef USE_PERL_ATOF
1878# define Perl_atof(s) Perl_my_atof(s)
1879# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1880#else
1881# define Perl_atof(s) (NV)atof(s)
1882# define Perl_atof2(s, n) ((n) = atof(s))
1883#endif
cf2093f6 1884
d460ef45 1885/* Previously these definitions used hardcoded figures.
760ac839
LW		 1886 * It is hoped these formula are more portable, although
1887 * no data one way or another is presently known to me.
1888 * The "PERL_" names are used because these calculated constants
1889 * do not meet the ANSI requirements for LONG_MAX, etc., which
1890 * need to be constants acceptable to #if - kja
1891 * define PERL_LONG_MAX 2147483647L
1892 * define PERL_LONG_MIN (-LONG_MAX - 1)
1893 * define PERL ULONG_MAX 4294967295L
1894 */
1895
1896#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1897# include <limits.h>
760ac839 1898#endif
205f51d8
AS		 1899/* Included values.h above if necessary; still including limits.h down here,
1900 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1901
99abf803 1902/*
1903 * Try to figure out max and min values for the integral types. THE CORRECT
1904 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1905 * following hacks are used if neither limits.h or values.h provide them:
1906 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1907 * for types < int: (unsigned TYPE)~(unsigned)0
1908 * The argument to ~ must be unsigned so that later signed->unsigned
1909 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1910 * and it must not be smaller than int because ~ does integral promotion.
1911 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1912 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1913 * The latter is a hack which happens to work on some machines but
1914 * does *not* catch any random system, or things like integer types
1915 * with NaN if that is possible.
1916 *
1917 * All of the types are explicitly cast to prevent accidental loss of
1918 * numeric range, and in the hope that they will be less likely to confuse
1919 * over-eager optimizers.
1920 *
1921 */
27d4fb96 1922
99abf803 1923#define PERL_UCHAR_MIN ((unsigned char)0)
1924
1925#ifdef UCHAR_MAX
1926# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1927#else
99abf803 1928# ifdef MAXUCHAR
1929# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1930# else
99abf803 1931# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1932# endif
1933#endif
d460ef45 1934
99abf803 1935/*
1936 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1937 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1938 * depending on local options. Until Configure detects this (or at least
1939 * detects whether the "signed" keyword is available) the CHAR ranges
1940 * will not be included. UCHAR functions normally.
1941 * - kja
1942 */
27d4fb96 1943
99abf803 1944#define PERL_USHORT_MIN ((unsigned short)0)
1945
1946#ifdef USHORT_MAX
1947# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1948#else
99abf803 1949# ifdef MAXUSHORT
1950# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1951# else
ef2f54b0
CB		 1952# ifdef USHRT_MAX
1953# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1954# else
1955# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1956# endif
27d4fb96 1957# endif
1958#endif
1959
27d4fb96 1960#ifdef SHORT_MAX
99abf803 1961# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1962#else
1963# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1964# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1965# else
ef2f54b0
CB		 1966# ifdef SHRT_MAX
1967# define PERL_SHORT_MAX ((short)SHRT_MAX)
1968# else
1969# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1970# endif
27d4fb96 1971# endif
1972#endif
1973
1974#ifdef SHORT_MIN
99abf803 1975# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1976#else
1977# ifdef MINSHORT
99abf803 1978# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1979# else
ef2f54b0
CB		 1980# ifdef SHRT_MIN
1981# define PERL_SHORT_MIN ((short)SHRT_MIN)
1982# else
1983# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1984# endif
27d4fb96 1985# endif
1986#endif
1987
99abf803 1988#ifdef UINT_MAX
1989# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1990#else
99abf803 1991# ifdef MAXUINT
1992# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1993# else
99abf803 1994# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1995# endif
1996#endif
1997
99abf803 1998#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1999
2000#ifdef INT_MAX
99abf803 2001# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2002#else
2003# ifdef MAXINT /* Often used in <values.h> */
99abf803 2004# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2005# else
99abf803 2006# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2007# endif
2008#endif
2009
2010#ifdef INT_MIN
99abf803 2011# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2012#else
2013# ifdef MININT
99abf803 2014# define PERL_INT_MIN ((int)MININT)
27d4fb96 2015# else
2016# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2017# endif
2018#endif
2019
99abf803 2020#ifdef ULONG_MAX
2021# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2022#else
99abf803 2023# ifdef MAXULONG
2024# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2025# else
99abf803 2026# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2027# endif
2028#endif
2029
99abf803 2030#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2031
760ac839 2032#ifdef LONG_MAX
99abf803 2033# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2034#else
2035# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2036# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2037# else
99abf803 2038# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2039# endif
2040#endif
2041
2042#ifdef LONG_MIN
99abf803 2043# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2044#else
2045# ifdef MINLONG
99abf803 2046# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2047# else
27d4fb96 2048# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2049# endif
2050#endif
2051
d7d93a81 2052#ifdef UV_IS_QUAD
99abf803 2053
99abf803 2054# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2055# define PERL_UQUAD_MIN ((UV)0)
99abf803 2056# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2057# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2058
79072805
LW		 2059#endif
2060
22f7c9c9
JH		 2061#ifdef MYMALLOC
2062# include "malloc_ctl.h"
2063#endif
2064
830247a4 2065struct RExC_state_t;
880b20b6 2066
ee0007ab 2067typedef MEM_SIZE STRLEN;
450a55e4 2068
79072805
LW		 2069typedef struct op OP;
2070typedef struct cop COP;
2071typedef struct unop UNOP;
2072typedef struct binop BINOP;
2073typedef struct listop LISTOP;
2074typedef struct logop LOGOP;
79072805
LW		 2075typedef struct pmop PMOP;
2076typedef struct svop SVOP;
7934575e 2077typedef struct padop PADOP;
79072805 2078typedef struct pvop PVOP;
79072805
LW		 2079typedef struct loop LOOP;
2080
93a17b20 2081typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2082
2083/* Amdahl's <ksync.h> has struct sv */
2084/* SGI's <sys/sema.h> has struct sv */
2085#if defined(UTS) || defined(__sgi)
2086# define STRUCT_SV perl_sv
b8d3c5db
JH		 2087#else
2088# define STRUCT_SV sv
2089#endif
2090typedef struct STRUCT_SV SV;
79072805
LW		 2091typedef struct av AV;
2092typedef struct hv HV;
2093typedef struct cv CV;
378cc40b 2094typedef struct regexp REGEXP;
79072805 2095typedef struct gp GP;
0c30d9ec 2096typedef struct gv GV;
8990e307 2097typedef struct io IO;
c09156bb 2098typedef struct context PERL_CONTEXT;
79072805
LW		 2099typedef struct block BLOCK;
2100
2101typedef struct magic MAGIC;
ed6116ce 2102typedef struct xrv XRV;
79072805
LW		 2103typedef struct xpv XPV;
2104typedef struct xpviv XPVIV;
ff68c719 2105typedef struct xpvuv XPVUV;
79072805
LW		 2106typedef struct xpvnv XPVNV;
2107typedef struct xpvmg XPVMG;
2108typedef struct xpvlv XPVLV;
2109typedef struct xpvav XPVAV;
2110typedef struct xpvhv XPVHV;
2111typedef struct xpvgv XPVGV;
2112typedef struct xpvcv XPVCV;
2113typedef struct xpvbm XPVBM;
2114typedef struct xpvfm XPVFM;
8990e307 2115typedef struct xpvio XPVIO;
79072805
LW		 2116typedef struct mgvtbl MGVTBL;
2117typedef union any ANY;
5f7fde29
GS		 2118typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2119typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2120typedef struct clone_params CLONE_PARAMS;
2121
378cc40b 2122#include "handy.h"
a0d0e21e 2123
6b8eaf93 2124#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2125# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2126# define USE_64_BIT_RAWIO /* implicit */
2127# endif
4564133c
JH		 2128#endif
2129
6b8eaf93
JH		 2130/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2131 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2132 * however, because operating systems like to do that themself. */
2133#ifndef FSEEKSIZE
2134# ifdef HAS_FSEEKO
2135# define FSEEKSIZE LSEEKSIZE
2136# else
2137# define FSEEKSIZE LONGSIZE
d460ef45 2138# endif
6b8eaf93
JH		 2139#endif
2140
2141#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2142# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2143# define USE_64_BIT_STDIO /* implicit */
2144# endif
2145#endif
4564133c 2146
09458382 2147#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2148# ifdef HAS_OFF64_T
2149# undef Off_t
2150# define Off_t off64_t
2151# undef LSEEKSIZE
2152# define LSEEKSIZE 8
5ff3f7a4 2153# endif
d9b3e12d
JH		 2154/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2155 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2156 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2157# if defined(USE_OPEN64)
2158# define open open64
5ff3f7a4 2159# endif
d9b3e12d
JH		 2160# if defined(USE_LSEEK64)
2161# define lseek lseek64
6b8eaf93
JH		 2162# else
2163# if defined(USE_LLSEEK)
2164# define lseek llseek
2165# endif
d9b3e12d
JH		 2166# endif
2167# if defined(USE_STAT64)
2168# define stat stat64
2169# endif
2170# if defined(USE_FSTAT64)
2171# define fstat fstat64
2172# endif
2173# if defined(USE_LSTAT64)
2174# define lstat lstat64
2175# endif
2176# if defined(USE_FLOCK64)
2177# define flock flock64
2178# endif
2179# if defined(USE_LOCKF64)
2180# define lockf lockf64
2181# endif
2182# if defined(USE_FCNTL64)
2183# define fcntl fcntl64
2184# endif
2185# if defined(USE_TRUNCATE64)
2186# define truncate truncate64
2187# endif
2188# if defined(USE_FTRUNCATE64)
2189# define ftruncate ftruncate64
2190# endif
2191#endif
2192
2193#ifdef USE_64_BIT_STDIO
2194# ifdef HAS_FPOS64_T
2195# undef Fpos_t
2196# define Fpos_t fpos64_t
2197# endif
2198/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2199 * will trigger defines like the ones below. Some 64-bit environments,
2200 * however, do not. */
2201# if defined(USE_FOPEN64)
2202# define fopen fopen64
2203# endif
2204# if defined(USE_FSEEK64)
6b8eaf93 2205# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2206# endif
2207# if defined(USE_FTELL64)
6b8eaf93 2208# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2209# endif
2210# if defined(USE_FSETPOS64)
2211# define fsetpos fsetpos64
2212# endif
2213# if defined(USE_FGETPOS64)
2214# define fgetpos fgetpos64
2215# endif
2216# if defined(USE_TMPFILE64)
2217# define tmpfile tmpfile64
2218# endif
2219# if defined(USE_FREOPEN64)
2220# define freopen freopen64
5ff3f7a4
GS		 2221# endif
2222#endif
2223
af8b425d 2224#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2225# include "iperlsys.h"
2226#endif
2227
6f71a643 2228#if defined(__OPEN_VM)
19848b3f
JH		 2229# include "vmesa/vmesaish.h"
2230# define ISHISH "vmesa"
6f71a643
JH		 2231#endif
2232
748a9306 2233#ifdef DOSISH
19848b3f
JH		 2234# if defined(OS2)
2235# include "os2ish.h"
2236# else
2237# include "dosish.h"
2238# endif
2239# define ISHISH "dos"
2240#endif
2241
2242#if defined(VMS)
748a9306 2243# include "vmsish.h"
96e176bf 2244# include "embed.h"
19848b3f
JH		 2245# define ISHISH "vms"
2246#endif
2247
2248#if defined(PLAN9)
2249# include "./plan9/plan9ish.h"
2250# define ISHISH "plan9"
2251#endif
2252
2253#if defined(MPE)
2254# include "mpeix/mpeixish.h"
2255# define ISHISH "mpeix"
2256#endif
2257
2258#if defined(__VOS__)
196918b0
PG		 2259# ifdef __GNUC__
2260# include "./vos/vosish.h"
2261# else
2262# include "vos/vosish.h"
2263# endif
19848b3f
JH		 2264# define ISHISH "vos"
2265#endif
2266
2267#if defined(EPOC)
2268# include "epocish.h"
2269# define ISHISH "epoc"
2270#endif
2271
27da23d5
JH		 2272#ifdef SYMBIAN
2273# include "symbian/symbianish.h"
2274# include "embed.h"
2275# define ISHISH "symbian"
2276#endif
2277
19848b3f
JH		 2278#if defined(MACOS_TRADITIONAL)
2279# include "macos/macish.h"
2280# ifndef NO_ENVIRON_ARRAY
2281# define NO_ENVIRON_ARRAY
0c30d9ec 2282# endif
19848b3f
JH		 2283# define ISHISH "macos classic"
2284#endif
2285
efca5cc6
JH		 2286#if defined(__BEOS__)
2287# include "beos/beosish.h"
2288# define ISHISH "beos"
2289#endif
2290
19848b3f
JH		 2291#ifndef ISHISH
2292# include "unixish.h"
2293# define ISHISH "unix"
13b6e58c
JH		 2294#endif
2295
2296#ifndef NO_ENVIRON_ARRAY
2297# define USE_ENVIRON_ARRAY
2298#endif
32f822de 2299
c77b533b
JH		 2300/*
2301 * initialise to avoid floating-point exceptions from overflow, etc
2302 */
2303#ifndef PERL_FPU_INIT
2304# ifdef HAS_FPSETMASK
2305# if HAS_FLOATINGPOINT_H
2306# include <floatingpoint.h>
2307# endif
2308# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2309# else
2f42fcb0 2310# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2311# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2312# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2313# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2314# else
2315# define PERL_FPU_INIT
2f42fcb0 2316
7014c407 2317# endif
c77b533b
JH		 2318# endif
2319#endif
b35112e7
CS		 2320#ifndef PERL_FPU_PRE_EXEC
2321# define PERL_FPU_PRE_EXEC {
2322# define PERL_FPU_POST_EXEC }
2323#endif
c77b533b 2324
ed344e4f
IZ		 2325#ifndef PERL_SYS_INIT3
2326# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2327#endif
2328
be708cc0
JH		 2329#ifndef PERL_WRITE_MSG_TO_CONSOLE
2330# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2331#endif
2332
0f31cffe
GS		 2333#ifndef MAXPATHLEN
2334# ifdef PATH_MAX
b990c8b2
JH		 2335# ifdef _POSIX_PATH_MAX
2336# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2337/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2338 * included the null byte or not. Later amendments of POSIX,
2339 * XPG4, the Austin Group, and the Single UNIX Specification
2340 * all explicitly include the null byte in the PATH_MAX.
2341 * Ditto for _POSIX_PATH_MAX. */
2342# define MAXPATHLEN PATH_MAX
b990c8b2 2343# else
09448d78 2344# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2345# endif
2346# else
2347# define MAXPATHLEN (PATH_MAX+1)
2348# endif
0f31cffe 2349# else
b990c8b2 2350# ifdef _POSIX_PATH_MAX
09448d78 2351# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2352# else
2353# define MAXPATHLEN 1024 /* Err on the large side. */
2354# endif
0f31cffe
GS		 2355# endif
2356#endif
2357
3db8f154 2358/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2359 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2360 * this results in many functions being undeclared which bothers C++
2361 * May make sense to have threads after "*ish.h" anyway
2362 */
2363
3db8f154 2364#if defined(USE_ITHREADS)
2986a63f
JH		 2365# ifdef NETWARE
2366# include <nw5thread.h>
2367# else
32f822de
GS		 2368# ifdef FAKE_THREADS
2369# include "fakethr.h"
2370# else
2371# ifdef WIN32
2372# include <win32thread.h>
2373# else
dd96f567
IZ		 2374# ifdef OS2
2375# include "os2thread.h"
2376# else
7f3d1cf1 2377# ifdef I_MACH_CTHREADS
bdd66968 2378# include <mach/cthreads.h>
8f1f23e8 2379# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2380# define MUTEX_INIT_CALLS_MALLOC
2381# endif
7f3d1cf1
BH		 2382typedef cthread_t perl_os_thread;
2383typedef mutex_t perl_mutex;
2384typedef condition_t perl_cond;
2385typedef void * perl_key;
2386# else /* Posix threads */
1f5ae88c
JH		 2387# ifdef I_PTHREAD
2388# include <pthread.h>
2389# endif
7f3d1cf1
BH		 2390typedef pthread_t perl_os_thread;
2391typedef pthread_mutex_t perl_mutex;
2392typedef pthread_cond_t perl_cond;
2393typedef pthread_key_t perl_key;
2394# endif /* I_MACH_CTHREADS */
dd96f567 2395# endif /* OS2 */
32f822de
GS		 2396# endif /* WIN32 */
2397# endif /* FAKE_THREADS */
2986a63f 2398#endif /* NETWARE */
3db8f154 2399#endif /* USE_ITHREADS */
c5be433b 2400
66a93824 2401#if defined(WIN32)
1feb2720 2402# include "win32.h"
c5be433b
GS		 2403#endif
2404
2986a63f
JH		 2405#ifdef NETWARE
2406# include "netware.h"
2407#endif
2408
68dc0745 2409#ifdef VMS
6b88bc9c 2410# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2411# define STATUS_NATIVE_EXPORT \
d98f61e7 2412 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2413# define STATUS_NATIVE_SET(n) \
2414 STMT_START { \
6b88bc9c
GS		 2415 PL_statusvalue_vms = (n); \
2416 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2417 PL_statusvalue = -1; \
6b88bc9c 2418 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2419 PL_statusvalue = 0; \
6b88bc9c
GS		 2420 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2421 PL_statusvalue = 1 << 8; \
68dc0745 2422 else \
6b88bc9c 2423 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2424 } STMT_END
3280af22 2425# define STATUS_POSIX PL_statusvalue
68dc0745 2426# ifdef VMSISH_STATUS
2427# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2428# else
2429# define STATUS_CURRENT STATUS_POSIX
2430# endif
2431# define STATUS_POSIX_SET(n) \
2432 STMT_START { \
3280af22
NIS		 2433 PL_statusvalue = (n); \
2434 if (PL_statusvalue != -1) { \
2435 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2436 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2437 } \
6b88bc9c 2438 else PL_statusvalue_vms = -1; \
68dc0745 2439 } STMT_END
6b88bc9c
GS		 2440# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2441# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2442#else
2443# define STATUS_NATIVE STATUS_POSIX
2444# define STATUS_NATIVE_EXPORT STATUS_POSIX
2445# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2446# define STATUS_POSIX PL_statusvalue
68dc0745 2447# define STATUS_POSIX_SET(n) \
2448 STMT_START { \
3280af22
NIS		 2449 PL_statusvalue = (n); \
2450 if (PL_statusvalue != -1) \
2451 PL_statusvalue &= 0xFFFF; \
68dc0745 2452 } STMT_END
2453# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2454# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2455# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2456#endif
2457
cc3604b1
GS		 2458/* flags in PL_exit_flags for nature of exit() */
2459#define PERL_EXIT_EXPECTED 0x01
31d77e54 2460#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2461
0b94c7bb 2462#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2463# define MEMBER_TO_FPTR(name) name
2464#endif
2465
2466/* format to use for version numbers in file/directory names */
273cf8d1 2467/* XXX move to Configure? */
a7cb1f99 2468#ifndef PERL_FS_VER_FMT
273cf8d1 2469# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2470#endif
2471
45bc9206 2472/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2473 * performance issue, so we allow people to disable it. Also, if
2474 * we are using stdio, there are broken implementations of fflush(NULL)
2475 * out there, Solaris being the most prominent.
45bc9206
GS		 2476 */
2477#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2478# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2479# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2480# else
2481# ifdef FFLUSH_ALL
2482# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2483# else
c5be433b 2484# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2485# endif
66fe083f 2486# endif
45bc9206
GS		 2487#endif
2488
7766f137
GS		 2489#ifndef PERL_WAIT_FOR_CHILDREN
2490# define PERL_WAIT_FOR_CHILDREN NOOP
2491#endif
2492
ba869deb 2493/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2494#ifndef PERL_SET_INTERP
2495# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2496#endif
2497
2498#ifndef PERL_GET_INTERP
2499# define PERL_GET_INTERP (PL_curinterp)
2500#endif
2501
54aff467 2502#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2503# ifdef MULTIPLICITY
ba869deb 2504# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2505# endif
ba869deb
GS		 2506# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2507#endif
2508
894356b3
GS		 2509#ifndef SVf
2510# ifdef CHECK_FORMAT
5df617be 2511# define SVf "-p"
894356b3
GS		 2512# else
2513# define SVf "_"
d460ef45 2514# endif
894356b3
GS		 2515#endif
2516
014ead4b 2517#ifndef SVf_precision
d2560b70 2518# ifdef CHECK_FORMAT
014ead4b 2519# define SVf_precision(n) "-" n "p"
d2560b70 2520# else
014ead4b 2521# define SVf_precision(n) "." n "_"
d460ef45 2522# endif
d2560b70
RB		 2523#endif
2524
014ead4b
RB		 2525#ifndef SVf32
2526# define SVf32 SVf_precision("32")
2527#endif
2528
2529#ifndef SVf256
2530# define SVf256 SVf_precision("256")
2531#endif
2532
2533#ifndef UVf
2534# define UVf UVuf
d2560b70
RB		 2535#endif
2536
5df617be 2537#ifndef DieNull
b3fe4827 2538# ifdef CHECK_FORMAT
3358ade6 2539# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827 2540# else
5df617be 2541# define DieNull Perl_die(aTHX_ Nullch)
b3fe4827
RB		 2542# endif
2543#endif
2544
287c8091
RB		 2545#ifndef __attribute__format__
2546# ifdef CHECK_FORMAT
b7787f18 2547# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
287c8091
RB		 2548# else
2549# define __attribute__format__(x,y,z)
2550# endif
2551#endif
b7787f18 2552
3fc1aec6 2553/* Some unistd.h's give a prototype for pause() even though
2554 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2555 below to be rejected by the compiler. Sigh.
3fc1aec6 2556*/
2557#ifdef HAS_PAUSE
2558#define Pause pause
2559#else
2560#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2561#endif
2562
2563#ifndef IOCPARM_LEN
2564# ifdef IOCPARM_MASK
2565 /* on BSDish systes we're safe */
2566# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2567# else
2568 /* otherwise guess at what's safe */
2569# define IOCPARM_LEN(x) 256
2570# endif
a0d0e21e
LW		 2571#endif
2572
1761cee5 2573#if defined(__CYGWIN__)
521e0776
GS		 2574/* USEMYBINMODE
2575 * This symbol, if defined, indicates that the program should
16fe6d59 2576 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2577 * that a file is in "binary" mode -- that is, that no translation
2578 * of bytes occurs on read or write operations.
2579 */
36894f0b 2580# define USEMYBINMODE /**/
77a40698 2581# include <io.h> /* for setmode() prototype */
16fe6d59 2582# define my_binmode(fp, iotype, mode) \
77a40698 2583 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2584#endif
2585
88d10794
JH		 2586#ifdef __CYGWIN__
2587void init_os_extras(void);
2588#endif
2589
cea2e8a9
GS		 2590#ifdef UNION_ANY_DEFINITION
2591UNION_ANY_DEFINITION;
2592#else
2593union any {
2594 void* any_ptr;
2595 I32 any_i32;
2596 IV any_iv;
2597 long any_long;
9febdf04 2598 bool any_bool;
c76ac1ee 2599 void (*any_dptr) (void*);
acfe0abc 2600 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2601};
2602#endif
2603
acfe0abc 2604typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2605
2606#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2607#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2608#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2609
c5078cac
JH		 2610#if defined(_AIX) && !defined(_AIX43)
2611#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2612/* We cannot include <crypt.h> to get the struct crypt_data
2613 * because of setkey prototype problems when threading */
2614typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2615 /* From OSF, Not needed in AIX
2616 char C[28], D[28];
2617 */
2618 char E[48];
2619 char KS[16][48];
2620 char block[66];
2621 char iobuf[16];
2622} CRYPTD;
2623#endif /* threading */
2624#endif /* AIX */
2625
af8b425d 2626#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2627# include "iperlsys.h"
2628#endif
504f80c1 2629
d10dc2ae
JH		 2630/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2631 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2632 * defined by Configure, despite their names being similar to the
2633 * other defines like USE_ITHREADS. Configure in fact knows nothing
2634 * about the randomised hashes. Therefore to enable/disable the hash
2635 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2636#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2637# define USE_HASH_SEED
504f80c1
JH		 2638#endif
2639
378cc40b 2640#include "regexp.h"
79072805 2641#include "sv.h"
378cc40b 2642#include "util.h"
8d063cd8 2643#include "form.h"
79072805 2644#include "gv.h"
dd2155a4 2645#include "pad.h"
79072805 2646#include "cv.h"
abdd5c84 2647#include "opnames.h"
79072805
LW		 2648#include "op.h"
2649#include "cop.h"
2650#include "av.h"
2651#include "hv.h"
2652#include "mg.h"
2653#include "scope.h"
4438c4b7 2654#include "warnings.h"
a0ed51b3 2655#include "utf8.h"
8d063cd8 2656
7fae4e64
GS		 2657/* Current curly descriptor */
2658typedef struct curcur CURCUR;
2659struct curcur {
2660 int parenfloor; /* how far back to strip paren data */
2661 int cur; /* how many instances of scan we've matched */
2662 int min; /* the minimal number of scans to match */
2663 int max; /* the maximal number of scans to match */
2664 int minmod; /* whether to work our way up or down */
2665 regnode * scan; /* the thing to match */
2666 regnode * next; /* what has to match after it */
2667 char * lastloc; /* where we started matching this scan */
2668 CURCUR * oldcc; /* current curly before we started this one */
2669};
2670
2671typedef struct _sublex_info SUBLEXINFO;
2672struct _sublex_info {
2673 I32 super_state; /* lexer state to save */
2674 I32 sub_inwhat; /* "lex_inwhat" to use */
2675 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2676 char *super_bufptr; /* PL_bufptr that was */
2677 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2678};
2679
455ece5e 2680typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2681
2c2d71f5 2682struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2683struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2684
2685typedef I32 CHECKPOINT;
76e3520e 2686
5f7fde29
GS		 2687struct ptr_tbl_ent {
2688 struct ptr_tbl_ent* next;
2689 void* oldval;
2690 void* newval;
d18c6117
GS		 2691};
2692
5f7fde29
GS		 2693struct ptr_tbl {
2694 struct ptr_tbl_ent** tbl_ary;
2695 UV tbl_max;
2696 UV tbl_items;
d18c6117
GS		 2697};
2698
450a55e4 2699#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2700# define I286
2701#endif
2702
fe14fcc3
LW		 2703#if defined(htonl) && !defined(HAS_HTONL)
2704#define HAS_HTONL
ae986130 2705#endif
fe14fcc3
LW		 2706#if defined(htons) && !defined(HAS_HTONS)
2707#define HAS_HTONS
ae986130 2708#endif
fe14fcc3
LW		 2709#if defined(ntohl) && !defined(HAS_NTOHL)
2710#define HAS_NTOHL
ae986130 2711#endif
fe14fcc3
LW		 2712#if defined(ntohs) && !defined(HAS_NTOHS)
2713#define HAS_NTOHS
ae986130 2714#endif
fe14fcc3 2715#ifndef HAS_HTONL
d9d8d8de 2716#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2717#define HAS_HTONS
2718#define HAS_HTONL
2719#define HAS_NTOHS
2720#define HAS_NTOHL
a687059c
LW		 2721#define MYSWAP
2722#define htons my_swap
2723#define htonl my_htonl
2724#define ntohs my_swap
2725#define ntohl my_ntohl
2726#endif
2727#else
d9d8d8de 2728#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2729#undef HAS_HTONS
2730#undef HAS_HTONL
2731#undef HAS_NTOHS
2732#undef HAS_NTOHL
a687059c
LW		 2733#endif
2734#endif
2735
988174c1
LW		 2736/*
2737 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2738 * -DWS
2739 */
2740#if BYTEORDER != 0x1234
2741# define HAS_VTOHL
2742# define HAS_VTOHS
2743# define HAS_HTOVL
2744# define HAS_HTOVS
c67712b2 2745# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2746# define vtohl(x) ((((x)&0xFF)<<24) \
2747 +(((x)>>24)&0xFF) \
2748 +(((x)&0x0000FF00)<<8) \
2749 +(((x)&0x00FF0000)>>8) )
2750# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2751# define htovl(x) vtohl(x)
2752# define htovs(x) vtohs(x)
2753# endif
2754 /* otherwise default to functions in util.c */
2a8c3029 2755#ifndef htovs
c623ac67
GS		 2756short htovs(short n);
2757short vtohs(short n);
2758long htovl(long n);
2759long vtohl(long n);
988174c1 2760#endif
2a8c3029 2761#endif
988174c1 2762
3bb7c1b4
JH		 2763/* *MAX Plus 1. A floating point value.
2764 Hopefully expressed in a way that dodgy floating point can't mess up.
2765 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2766 is added to it
2767 May find that some broken compiler will want the value cast to I32.
2768 [after the shift, as signed >> may not be as secure as unsigned >>]
2769*/
2770#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2771#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2772/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2773 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2774 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2775*/
2776#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2777
3bb7c1b4
JH		 2778#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2779#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2780#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2781
2782/* This may look like unnecessary jumping through hoops, but converting
2783 out of range floating point values to integers *is* undefined behaviour,
2784 and it is starting to bite.
2785*/
2786#ifndef CAST_INLINE
65202027 2787#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2788#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2789#define I_V(what) (cast_iv((NV)(what)))
2790#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2791#else
2792#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2793 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2794 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2795#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2796 : ((n) < U32_MAX_P1 ? (U32) (n) \
2797 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2798#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2799 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2800 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2801#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2802 : ((n) < UV_MAX_P1 ? (UV) (n) \
2803 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2804#endif
2805
2806#define U_S(what) ((U16)U_32(what))
2807#define U_I(what) ((unsigned int)U_32(what))
2808#define U_L(what) U_32(what)
ed6116ce 2809
2d4389e4
JH		 2810/* These do not care about the fractional part, only about the range. */
2811#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2812#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2813
25da4f38
IZ		 2814/* Used with UV/IV arguments: */
2815 /* XXXX: need to speed it up */
2816#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2817#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2818
352d5a3a
LW		 2819#ifndef MAXSYSFD
2820# define MAXSYSFD 2
2821#endif
ee0007ab 2822
79072805 2823#ifndef __cplusplus
27da23d5 2824#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 2825Uid_t getuid (void);
2826Uid_t geteuid (void);
2827Gid_t getgid (void);
2828Gid_t getegid (void);
79072805 2829#endif
e1caacb4 2830#endif
8d063cd8 2831
0c30d9ec 2832#ifndef Perl_debug_log
bf49b057
GS		 2833# define Perl_debug_log PerlIO_stderr()
2834#endif
2835
2836#ifndef Perl_error_log
2837# define Perl_error_log (PL_stderrgv \
6b78add2 2838 && isGV(PL_stderrgv) \
01bb7c6d 2839 && GvIOp(PL_stderrgv) \
42de951c 2840 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2841 ? IoOFP(GvIOp(PL_stderrgv)) \
2842 : PerlIO_stderr())
0c30d9ec 2843#endif
3967c732 2844
aea4f609
DM		 2845
2846#define DEBUG_p_FLAG 0x00000001 /* 1 */
2847#define DEBUG_s_FLAG 0x00000002 /* 2 */
2848#define DEBUG_l_FLAG 0x00000004 /* 4 */
2849#define DEBUG_t_FLAG 0x00000008 /* 8 */
2850#define DEBUG_o_FLAG 0x00000010 /* 16 */
2851#define DEBUG_c_FLAG 0x00000020 /* 32 */
2852#define DEBUG_P_FLAG 0x00000040 /* 64 */
2853#define DEBUG_m_FLAG 0x00000080 /* 128 */
2854#define DEBUG_f_FLAG 0x00000100 /* 256 */
2855#define DEBUG_r_FLAG 0x00000200 /* 512 */
2856#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2857#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2858 /* spare */
aea4f609
DM		 2859#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2860#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2861#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2862#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2863#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2864#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2865#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2866#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2867#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2868#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2869#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2870#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2871
2872#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2873#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2874 that something was done? */
aea4f609 2875
bd16a5f0
IZ		 2876# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2877# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2878# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2879# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2880# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2881# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2882# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2883# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2884# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2885# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2886# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2887# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2888# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2889# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2890# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2891# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2892# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2893# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2894# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2895# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2896# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 2897# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2898# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2899# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2900
3967c732 2901#ifdef DEBUGGING
aea4f609 2902
bd16a5f0
IZ		 2903# define DEBUG_p_TEST DEBUG_p_TEST_
2904# define DEBUG_s_TEST DEBUG_s_TEST_
2905# define DEBUG_l_TEST DEBUG_l_TEST_
2906# define DEBUG_t_TEST DEBUG_t_TEST_
2907# define DEBUG_o_TEST DEBUG_o_TEST_
2908# define DEBUG_c_TEST DEBUG_c_TEST_
2909# define DEBUG_P_TEST DEBUG_P_TEST_
2910# define DEBUG_m_TEST DEBUG_m_TEST_
2911# define DEBUG_f_TEST DEBUG_f_TEST_
2912# define DEBUG_r_TEST DEBUG_r_TEST_
2913# define DEBUG_x_TEST DEBUG_x_TEST_
2914# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2915# define DEBUG_H_TEST DEBUG_H_TEST_
2916# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2917# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2918# define DEBUG_D_TEST DEBUG_D_TEST_
2919# define DEBUG_S_TEST DEBUG_S_TEST_
2920# define DEBUG_T_TEST DEBUG_T_TEST_
2921# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2922# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2923# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2924# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 2925# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 2926# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 2927
488b0c7a
JH		 2928# define PERL_DEB(a) a
2929# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2930# define DEBUG_p(a) if (DEBUG_p_TEST) a
2931# define DEBUG_s(a) if (DEBUG_s_TEST) a
2932# define DEBUG_l(a) if (DEBUG_l_TEST) a
2933# define DEBUG_t(a) if (DEBUG_t_TEST) a
2934# define DEBUG_o(a) if (DEBUG_o_TEST) a
2935# define DEBUG_c(a) if (DEBUG_c_TEST) a
2936# define DEBUG_P(a) if (DEBUG_P_TEST) a
2937
969058bb
VK		 2938 /* Temporarily turn off memory debugging in case the a
2939 * does memory allocation, either directly or indirectly. */
acfe0abc 2940# define DEBUG_m(a) \
0b250b9e 2941 STMT_START { \
aea4f609 2942 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2943 } STMT_END
aea4f609 2944
5f80b19c
AMS		 2945# define DEBUG__(t, a) \
2946 STMT_START { \
2947 if (t) STMT_START {a;} STMT_END; \
2948 } STMT_END
2949
2950# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2951# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2952# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2953# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2954# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2955# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2956# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2957# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2958
3db8f154 2959# define DEBUG_S(a)
aea4f609 2960
5f80b19c
AMS		 2961# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2962# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2963# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2964# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 2965# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2966# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 2967
2968#else /* DEBUGGING */
2969
2970# define DEBUG_p_TEST (0)
2971# define DEBUG_s_TEST (0)
2972# define DEBUG_l_TEST (0)
2973# define DEBUG_t_TEST (0)
2974# define DEBUG_o_TEST (0)
2975# define DEBUG_c_TEST (0)
2976# define DEBUG_P_TEST (0)
2977# define DEBUG_m_TEST (0)
2978# define DEBUG_f_TEST (0)
2979# define DEBUG_r_TEST (0)
2980# define DEBUG_x_TEST (0)
2981# define DEBUG_u_TEST (0)
aea4f609
DM		 2982# define DEBUG_H_TEST (0)
2983# define DEBUG_X_TEST (0)
dd2155a4 2984# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2985# define DEBUG_D_TEST (0)
2986# define DEBUG_S_TEST (0)
2987# define DEBUG_T_TEST (0)
04932ac8 2988# define DEBUG_R_TEST (0)
1045810a 2989# define DEBUG_J_TEST (0)
d6721266 2990# define DEBUG_v_TEST (0)
46187eeb 2991# define DEBUG_C_TEST (0)
ecae49c0
NC		 2992# define DEBUG_A_TEST (0)
2993# define DEBUG_q_TEST (0)
aea4f609 2994
488b0c7a
JH		 2995# define PERL_DEB(a)
2996# define PERL_DEBUG(a)
aea4f609
DM		 2997# define DEBUG_p(a)
2998# define DEBUG_s(a)
2999# define DEBUG_l(a)
3000# define DEBUG_t(a)
3001# define DEBUG_o(a)
3002# define DEBUG_c(a)
3003# define DEBUG_P(a)
3004# define DEBUG_m(a)
3005# define DEBUG_f(a)
3006# define DEBUG_r(a)
3007# define DEBUG_x(a)
3008# define DEBUG_u(a)
aea4f609
DM		 3009# define DEBUG_H(a)
3010# define DEBUG_X(a)
dd2155a4 3011# define DEBUG_Xv(a)
aea4f609
DM		 3012# define DEBUG_D(a)
3013# define DEBUG_S(a)
3014# define DEBUG_T(a)
04932ac8 3015# define DEBUG_R(a)
d6721266 3016# define DEBUG_v(a)
46187eeb 3017# define DEBUG_C(a)
ecae49c0
NC		 3018# define DEBUG_A(a)
3019# define DEBUG_q(a)
aea4f609
DM		 3020#endif /* DEBUGGING */
3021
3022
b4ab917c
DM		 3023#define DEBUG_SCOPE(where) \
3024 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3025 where, PL_scopestack_ix, __FILE__, __LINE__)));
3026
3027
3028
3029
d1be9408 3030/* These constants should be used in preference to raw characters
14befaf4
DM		 3031 * when using magic. Note that some perl guts still assume
3032 * certain character properties of these constants, namely that
3033 * isUPPER() and toLOWER() may do useful mappings.
3034 *
3035 * Update the magic_names table in dump.c when adding/amending these
3036 */
3037
3038#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3039#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3040#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3041#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3042#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3043#define PERL_MAGIC_regdata 'D' /* Regex match position data
3044 (@+ and @- vars) */
3045#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3046#define PERL_MAGIC_env 'E' /* %ENV hash */
3047#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3048#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3049#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3050#define PERL_MAGIC_isa 'I' /* @ISA array */
3051#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3052#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3053#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3054#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3055#define PERL_MAGIC_mutex 'm' /* for lock op */
3056#define PERL_MAGIC_shared 'N' /* Shared between threads */
3057#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3058#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3059#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3060#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3061#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3062#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3063#define PERL_MAGIC_sig 'S' /* %SIG hash */
3064#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3065#define PERL_MAGIC_taint 't' /* Taintedness */
3066#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3067#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3068#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3069#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3070#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3071#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3072#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3073 smart parameter vivification */
3074#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3075#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3076#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3077#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 3078#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3079
3080
a6e633de 3081#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3082#define assert(what) PERL_DEB( \
3083 ((what) ? ((void) 0) : \
3084 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
3085 __FILE__, __LINE__), \
3086 PerlProc_exit(1), \
3087 (void) 0)))
a446a88f 3088#endif
8d063cd8 3089
450a55e4 3090struct ufuncs {
24f81a43
DM		 3091 I32 (*uf_val)(pTHX_ IV, SV*);
3092 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3093 IV uf_index;
450a55e4
LW		 3094};
3095
14befaf4 3096/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3097 * XS code wanting to be backward compatible can do something
3098 * like the following:
c745e42c 3099
24f81a43 3100#ifndef PERL_MG_UFUNC
24f81a43
DM		 3101#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3102#endif
3103
3104static PERL_MG_UFUNC(foo_get, index, val)
3105{
3106 sv_setsv(val, ...);
3107 return TRUE;
3108}
3109
3110-- Doug MacEachern
3111
3112*/
3113
fc9c74e6 3114#ifndef PERL_MG_UFUNC
24f81a43 3115#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3116#endif
24f81a43 3117
fe14fcc3 3118/* Fix these up for __STDC__ */
68dc0745 3119#ifndef DONT_DECLARE_STD
20ce7b12 3120char *mktemp (char*);
37bd1396 3121#ifndef atof
20ce7b12 3122double atof (const char*);
a0d0e21e 3123#endif
37bd1396 3124#endif
79072805 3125
352d5a3a 3126#ifndef STANDARD_C
fe14fcc3 3127/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3128Time_t time();
8d063cd8 3129struct tm *gmtime(), *localtime();
092bebab 3130#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3131char *(strchr)(), *(strrchr)();
3132char *(strcpy)(), *(strcat)();
3133#else
93a17b20 3134char *strchr(), *strrchr();
378cc40b 3135char *strcpy(), *strcat();
9d116dd7 3136#endif
352d5a3a 3137#endif /* ! STANDARD_C */
8d063cd8 3138
79072805
LW		 3139
3140#ifdef I_MATH
3141# include <math.h>
3142#else
32f822de 3143START_EXTERN_C
20ce7b12
GS		 3144 double exp (double);
3145 double log (double);
3146 double log10 (double);
3147 double sqrt (double);
3148 double frexp (double,int*);
3149 double ldexp (double,int);
3150 double modf (double,double*);
3151 double sin (double);
3152 double cos (double);
3153 double atan2 (double,double);
3154 double pow (double,double);
32f822de 3155END_EXTERN_C
79072805
LW		 3156#endif
3157
aa8b85de
JH		 3158#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3159# define NV_INF LDBL_INFINITY
3160#endif
3161#if !defined(NV_INF) && defined(DBL_INFINITY)
3162# define NV_INF (NV)DBL_INFINITY
3163#endif
3164#if !defined(NV_INF) && defined(INFINITY)
3165# define NV_INF (NV)INFINITY
3166#endif
3167#if !defined(NV_INF) && defined(INF)
3168# define NV_INF (NV)INF
3169#endif
3170#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3171# define NV_INF (NV)HUGE_VALL
3172#endif
3173#if !defined(NV_INF) && defined(HUGE_VAL)
3174# define NV_INF (NV)HUGE_VAL
3175#endif
3176
3177#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3178# if !defined(NV_NAN) && defined(LDBL_NAN)
3179# define NV_NAN LDBL_NAN
3180# endif
3181# if !defined(NV_NAN) && defined(LDBL_QNAN)
3182# define NV_NAN LDBL_QNAN
3183# endif
3184# if !defined(NV_NAN) && defined(LDBL_SNAN)
3185# define NV_NAN LDBL_SNAN
3186# endif
3187#endif
3188#if !defined(NV_NAN) && defined(DBL_NAN)
3189# define NV_NAN (NV)DBL_NAN
3190#endif
3191#if !defined(NV_NAN) && defined(DBL_QNAN)
3192# define NV_NAN (NV)DBL_QNAN
3193#endif
3194#if !defined(NV_NAN) && defined(DBL_SNAN)
3195# define NV_NAN (NV)DBL_SNAN
3196#endif
3197#if !defined(NV_NAN) && defined(QNAN)
3198# define NV_NAN (NV)QNAN
3199#endif
3200#if !defined(NV_NAN) && defined(SNAN)
3201# define NV_NAN (NV)SNAN
3202#endif
3203#if !defined(NV_NAN) && defined(NAN)
3204# define NV_NAN (NV)NAN
3205#endif
3206
a0d0e21e 3207#ifndef __cplusplus
8f1f23e8 3208# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3209char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3210# else
fd8cd3a3 3211# if !defined(WIN32) && !defined(VMS)
10bc17b6 3212#ifndef crypt
20ce7b12 3213char *crypt (const char*, const char*);
10bc17b6 3214#endif
5014db98 3215# endif /* !WIN32 */
8f1f23e8 3216# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3217# ifndef DONT_DECLARE_STD
3218# ifndef getenv
20ce7b12 3219char *getenv (const char*);
26618a56 3220# endif /* !getenv */
28ca6303 3221# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3222# ifdef _FILE_OFFSET_BITS
28ca6303 3223# if _FILE_OFFSET_BITS == 64
20ce7b12 3224Off_t lseek (int,Off_t,int);
0fc67700
JH		 3225# endif
3226# endif
bf0c440f 3227# endif
26618a56 3228# endif /* !DONT_DECLARE_STD */
10bc17b6 3229#ifndef getlogin
20ce7b12 3230char *getlogin (void);
10bc17b6 3231#endif
26618a56 3232#endif /* !__cplusplus */
79072805 3233
16d20bd9 3234#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3235#define UNLINK unlnk
20ce7b12 3236I32 unlnk (char*);
8d063cd8 3237#else
80252599 3238#define UNLINK PerlLIO_unlink
8d063cd8 3239#endif
a687059c 3240
fa0a29af
JH		 3241/* some versions of glibc are missing the setresuid() proto */
3242#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3243int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3244#endif
fa0a29af
JH		 3245/* some versions of glibc are missing the setresgid() proto */
3246#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3247int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3248#endif
3249
fe14fcc3 3250#ifndef HAS_SETREUID
85e6fe83
LW		 3251# ifdef HAS_SETRESUID
3252# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3253# define HAS_SETREUID
3254# endif
a687059c 3255#endif
fe14fcc3 3256#ifndef HAS_SETREGID
85e6fe83
LW		 3257# ifdef HAS_SETRESGID
3258# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3259# define HAS_SETREGID
3260# endif
a687059c 3261#endif
ee0007ab 3262
d543acb6 3263/* Sighandler_t defined in iperlsys.h */
ff68c719 3264
3265#ifdef HAS_SIGACTION
3266typedef struct sigaction Sigsave_t;
3267#else
3268typedef Sighandler_t Sigsave_t;
3269#endif
3270
ee0007ab
LW		 3271#define SCAN_DEF 0
3272#define SCAN_TR 1
3273#define SCAN_REPL 2
79072805
LW		 3274
3275#ifdef DEBUGGING
4633a7c4 3276# ifndef register
a0d0e21e
LW		 3277# define register
3278# endif
cea2e8a9 3279# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3280#else
cea2e8a9 3281# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3282#endif
3283
18f739ee 3284#ifdef MYMALLOC
772fe5b3 3285# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3286# define MALLOC_INIT \
3287 STMT_START { \
3288 PL_malloc_mutex = NULL; \
3289 MUTEX_INIT(&PL_malloc_mutex); \
3290 } STMT_END
3291# define MALLOC_TERM \
3292 STMT_START { \
3293 perl_mutex tmp = PL_malloc_mutex; \
3294 PL_malloc_mutex = NULL; \
3295 MUTEX_DESTROY(&tmp); \
3296 } STMT_END
3297# else
3298# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3299# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3300# endif
18f739ee
IZ		 3301#else
3302# define MALLOC_INIT
3303# define MALLOC_TERM
3304#endif
3305
b6d9d515 3306
0cb96387 3307typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3308typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3309typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3310typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3311
940cb80d 3312/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3313#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3314
8f1f23e8
W		 3315/* NeXT has problems with crt0.o globals */
3316#if defined(__DYNAMIC__) && \
6239f2da 3317 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3318# if defined(NeXT) || defined(__NeXT)
3319# include <mach-o/dyld.h>
3320# define environ (*environ_pointer)
0c30d9ec 3321EXT char *** environ_pointer;
8f1f23e8 3322# else
6239f2da 3323# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3324# include <crt_externs.h> /* for the env array */
3325# define environ (*_NSGetEnviron())
3326# endif
0c30d9ec 3327# endif
8f1f23e8
W		 3328#else
3329 /* VMS and some other platforms don't use the environ array */
13b6e58c 3330# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3331# if !defined(DONT_DECLARE_STD) || \
3332 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3333 defined(__sgi) || \
d460ef45 3334 defined(__DGUX)
8f1f23e8 3335extern char ** environ; /* environment variables supplied via exec */
a6c40364 3336# endif
8f1f23e8
W		 3337# endif
3338#endif
79072805 3339
73c4f7a1
GS		 3340START_EXTERN_C
3341
79072805 3342/* handy constants */
22c35a8c 3343EXTCONST char PL_warn_uninit[]
29489e7c 3344 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3345EXTCONST char PL_warn_nosemi[]
463ee0b2 3346 INIT("Semicolon seems to be missing");
22c35a8c 3347EXTCONST char PL_warn_reserved[]
463ee0b2 3348 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3349EXTCONST char PL_warn_nl[]
93a17b20 3350 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3351EXTCONST char PL_no_wrongref[]
a0d0e21e 3352 INIT("Can't use %s ref as %s ref");
22c35a8c 3353EXTCONST char PL_no_symref[]
748a9306 3354 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3355EXTCONST char PL_no_symref_sv[]
014ead4b 3356 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3357EXTCONST char PL_no_usym[]
8990e307 3358 INIT("Can't use an undefined value as %s reference");
22c35a8c 3359EXTCONST char PL_no_aelem[]
93a17b20 3360 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3361EXTCONST char PL_no_helem_sv[]
3362 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3363EXTCONST char PL_no_modify[]
93a17b20 3364 INIT("Modification of a read-only value attempted");
22c35a8c 3365EXTCONST char PL_no_mem[]
93a17b20 3366 INIT("Out of memory!\n");
22c35a8c 3367EXTCONST char PL_no_security[]
463ee0b2 3368 INIT("Insecure dependency in %s%s");
22c35a8c 3369EXTCONST char PL_no_sock_func[]
93a17b20 3370 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3371EXTCONST char PL_no_dir_func[]
93a17b20 3372 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3373EXTCONST char PL_no_func[]
93a17b20 3374 INIT("The %s function is unimplemented");
22c35a8c 3375EXTCONST char PL_no_myglob[]
748a9306 3376 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3377EXTCONST char PL_no_localize_ref[]
3378 INIT("Can't localize through a reference");
27d5b266
JH		 3379#ifdef PERL_MALLOC_WRAP
3380EXTCONST char PL_memory_wrap[]
3381 INIT("panic: memory wrap");
3382#endif
93a17b20 3383
7575fa06 3384EXTCONST char PL_uuemap[65]
80252599
GS		 3385 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3386
3387
79072805 3388#ifdef DOINIT
27da23d5
JH		 3389EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3390EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3391#else
27da23d5
JH		 3392EXTCONST char* const PL_sig_name[];
3393EXTCONST int PL_sig_num[];
79072805
LW		 3394#endif
3395
3bd709b1 3396/* fast conversion and case folding tables */
bbce6d69 3397
79072805 3398#ifdef DOINIT
9d116dd7 3399#ifdef EBCDIC
27da23d5 3400EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3401 0, 1, 2, 3, 4, 5, 6, 7,
3402 8, 9, 10, 11, 12, 13, 14, 15,
3403 16, 17, 18, 19, 20, 21, 22, 23,
3404 24, 25, 26, 27, 28, 29, 30, 31,
3405 32, 33, 34, 35, 36, 37, 38, 39,
3406 40, 41, 42, 43, 44, 45, 46, 47,
3407 48, 49, 50, 51, 52, 53, 54, 55,
3408 56, 57, 58, 59, 60, 61, 62, 63,
3409 64, 65, 66, 67, 68, 69, 70, 71,
3410 72, 73, 74, 75, 76, 77, 78, 79,
3411 80, 81, 82, 83, 84, 85, 86, 87,
3412 88, 89, 90, 91, 92, 93, 94, 95,
3413 96, 97, 98, 99, 100, 101, 102, 103,
3414 104, 105, 106, 107, 108, 109, 110, 111,
3415 112, 113, 114, 115, 116, 117, 118, 119,
3416 120, 121, 122, 123, 124, 125, 126, 127,
3417 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3418 'H', 'I', 138, 139, 140, 141, 142, 143,
3419 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3420 'Q', 'R', 154, 155, 156, 157, 158, 159,
3421 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3422 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3423 176, 177, 178, 179, 180, 181, 182, 183,
3424 184, 185, 186, 187, 188, 189, 190, 191,
3425 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3426 'h', 'i', 202, 203, 204, 205, 206, 207,
3427 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3428 'q', 'r', 218, 219, 220, 221, 222, 223,
3429 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3430 'y', 'z', 234, 235, 236, 237, 238, 239,
3431 240, 241, 242, 243, 244, 245, 246, 247,
3432 248, 249, 250, 251, 252, 253, 254, 255
3433};
3434#else /* ascii rather than ebcdic */
22c35a8c 3435EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3436 0, 1, 2, 3, 4, 5, 6, 7,
3437 8, 9, 10, 11, 12, 13, 14, 15,
3438 16, 17, 18, 19, 20, 21, 22, 23,
3439 24, 25, 26, 27, 28, 29, 30, 31,
3440 32, 33, 34, 35, 36, 37, 38, 39,
3441 40, 41, 42, 43, 44, 45, 46, 47,
3442 48, 49, 50, 51, 52, 53, 54, 55,
3443 56, 57, 58, 59, 60, 61, 62, 63,
3444 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3445 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3446 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3447 'x', 'y', 'z', 91, 92, 93, 94, 95,
3448 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3449 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3450 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3451 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3452 128, 129, 130, 131, 132, 133, 134, 135,
3453 136, 137, 138, 139, 140, 141, 142, 143,
3454 144, 145, 146, 147, 148, 149, 150, 151,
3455 152, 153, 154, 155, 156, 157, 158, 159,
3456 160, 161, 162, 163, 164, 165, 166, 167,
3457 168, 169, 170, 171, 172, 173, 174, 175,
3458 176, 177, 178, 179, 180, 181, 182, 183,
3459 184, 185, 186, 187, 188, 189, 190, 191,
3460 192, 193, 194, 195, 196, 197, 198, 199,
3461 200, 201, 202, 203, 204, 205, 206, 207,
3462 208, 209, 210, 211, 212, 213, 214, 215,
3463 216, 217, 218, 219, 220, 221, 222, 223,
3464 224, 225, 226, 227, 228, 229, 230, 231,
3465 232, 233, 234, 235, 236, 237, 238, 239,
3466 240, 241, 242, 243, 244, 245, 246, 247,
3467 248, 249, 250, 251, 252, 253, 254, 255
3468};
9d116dd7 3469#endif /* !EBCDIC */
79072805 3470#else
22c35a8c 3471EXTCONST unsigned char PL_fold[];
79072805
LW		 3472#endif
3473
27da23d5 3474#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3475#ifdef DOINIT
27da23d5 3476EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3477 0, 1, 2, 3, 4, 5, 6, 7,
3478 8, 9, 10, 11, 12, 13, 14, 15,
3479 16, 17, 18, 19, 20, 21, 22, 23,
3480 24, 25, 26, 27, 28, 29, 30, 31,
3481 32, 33, 34, 35, 36, 37, 38, 39,
3482 40, 41, 42, 43, 44, 45, 46, 47,
3483 48, 49, 50, 51, 52, 53, 54, 55,
3484 56, 57, 58, 59, 60, 61, 62, 63,
3485 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3486 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3487 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3488 'x', 'y', 'z', 91, 92, 93, 94, 95,
3489 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3490 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3491 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3492 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3493 128, 129, 130, 131, 132, 133, 134, 135,
3494 136, 137, 138, 139, 140, 141, 142, 143,
3495 144, 145, 146, 147, 148, 149, 150, 151,
3496 152, 153, 154, 155, 156, 157, 158, 159,
3497 160, 161, 162, 163, 164, 165, 166, 167,
3498 168, 169, 170, 171, 172, 173, 174, 175,
3499 176, 177, 178, 179, 180, 181, 182, 183,
3500 184, 185, 186, 187, 188, 189, 190, 191,
3501 192, 193, 194, 195, 196, 197, 198, 199,
3502 200, 201, 202, 203, 204, 205, 206, 207,
3503 208, 209, 210, 211, 212, 213, 214, 215,
3504 216, 217, 218, 219, 220, 221, 222, 223,
3505 224, 225, 226, 227, 228, 229, 230, 231,
3506 232, 233, 234, 235, 236, 237, 238, 239,
3507 240, 241, 242, 243, 244, 245, 246, 247,
3508 248, 249, 250, 251, 252, 253, 254, 255
3509};
3510#else
27da23d5 3511EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3512#endif
27da23d5 3513#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3514
3515#ifdef DOINIT
9d116dd7 3516#ifdef EBCDIC
27da23d5 3517EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3518 1, 2, 84, 151, 154, 155, 156, 157,
3519 165, 246, 250, 3, 158, 7, 18, 29,
3520 40, 51, 62, 73, 85, 96, 107, 118,
3521 129, 140, 147, 148, 149, 150, 152, 153,
3522 255, 6, 8, 9, 10, 11, 12, 13,
3523 14, 15, 24, 25, 26, 27, 28, 226,
3524 29, 30, 31, 32, 33, 43, 44, 45,
3525 46, 47, 48, 49, 50, 76, 77, 78,
3526 79, 80, 81, 82, 83, 84, 85, 86,
3527 87, 94, 95, 234, 181, 233, 187, 190,
3528 180, 96, 97, 98, 99, 100, 101, 102,
3529 104, 112, 182, 174, 236, 232, 229, 103,
3530 228, 226, 114, 115, 116, 117, 118, 119,
3531 120, 121, 122, 235, 176, 230, 194, 162,
3532 130, 131, 132, 133, 134, 135, 136, 137,
3533 138, 139, 201, 205, 163, 217, 220, 224,
3534 5, 248, 227, 244, 242, 255, 241, 231,
3535 240, 253, 16, 197, 19, 20, 21, 187,
3536 23, 169, 210, 245, 237, 249, 247, 239,
3537 168, 252, 34, 196, 36, 37, 38, 39,
3538 41, 42, 251, 254, 238, 223, 221, 213,
3539 225, 177, 52, 53, 54, 55, 56, 57,
3540 58, 59, 60, 61, 63, 64, 65, 66,
3541 67, 68, 69, 70, 71, 72, 74, 75,
3542 205, 208, 186, 202, 200, 218, 198, 179,
3543 178, 214, 88, 89, 90, 91, 92, 93,
3544 217, 166, 170, 207, 199, 209, 206, 204,
3545 160, 212, 105, 106, 108, 109, 110, 111,
3546 203, 113, 216, 215, 192, 175, 193, 243,
3547 172, 161, 123, 124, 125, 126, 127, 128,
3548 222, 219, 211, 195, 188, 193, 185, 184,
3549 191, 183, 141, 142, 143, 144, 145, 146
3550};
3551#else /* ascii rather than ebcdic */
22c35a8c 3552EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3553 1, 2, 84, 151, 154, 155, 156, 157,
3554 165, 246, 250, 3, 158, 7, 18, 29,
3555 40, 51, 62, 73, 85, 96, 107, 118,
3556 129, 140, 147, 148, 149, 150, 152, 153,
3557 255, 182, 224, 205, 174, 176, 180, 217,
3558 233, 232, 236, 187, 235, 228, 234, 226,
3559 222, 219, 211, 195, 188, 193, 185, 184,
3560 191, 183, 201, 229, 181, 220, 194, 162,
3561 163, 208, 186, 202, 200, 218, 198, 179,
3562 178, 214, 166, 170, 207, 199, 209, 206,
3563 204, 160, 212, 216, 215, 192, 175, 173,
3564 243, 172, 161, 190, 203, 189, 164, 230,
3565 167, 248, 227, 244, 242, 255, 241, 231,
3566 240, 253, 169, 210, 245, 237, 249, 247,
3567 239, 168, 252, 251, 254, 238, 223, 221,
3568 213, 225, 177, 197, 171, 196, 159, 4,
3569 5, 6, 8, 9, 10, 11, 12, 13,
3570 14, 15, 16, 17, 19, 20, 21, 22,
3571 23, 24, 25, 26, 27, 28, 30, 31,
3572 32, 33, 34, 35, 36, 37, 38, 39,
3573 41, 42, 43, 44, 45, 46, 47, 48,
3574 49, 50, 52, 53, 54, 55, 56, 57,
3575 58, 59, 60, 61, 63, 64, 65, 66,
3576 67, 68, 69, 70, 71, 72, 74, 75,
3577 76, 77, 78, 79, 80, 81, 82, 83,
3578 86, 87, 88, 89, 90, 91, 92, 93,
3579 94, 95, 97, 98, 99, 100, 101, 102,
3580 103, 104, 105, 106, 108, 109, 110, 111,
3581 112, 113, 114, 115, 116, 117, 119, 120,
3582 121, 122, 123, 124, 125, 126, 127, 128,
3583 130, 131, 132, 133, 134, 135, 136, 137,
3584 138, 139, 141, 142, 143, 144, 145, 146
3585};
9d116dd7 3586#endif
79072805 3587#else
22c35a8c 3588EXTCONST unsigned char PL_freq[];
79072805
LW		 3589#endif
3590
8990e307
LW		 3591#ifdef DEBUGGING
3592#ifdef DOINIT
27da23d5 3593EXTCONST char* const PL_block_type[] = {
8990e307
LW		 3594 "NULL",
3595 "SUB",
3596 "EVAL",
3597 "LOOP",
3598 "SUBST",
3599 "BLOCK",
3600};
3601#else
22c35a8c 3602EXTCONST char* PL_block_type[];
8990e307
LW		 3603#endif
3604#endif
3605
73c4f7a1
GS		 3606END_EXTERN_C
3607
79072805
LW		 3608/*****************************************************************************/
3609/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3610/*****************************************************************************/
8990e307 3611/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3612
d4c3c482 3613#ifdef __Lynx__
9cffb111
OS		 3614/* LynxOS defines these in scsi.h which is included via ioctl.h */
3615#ifdef FORMAT
3616#undef FORMAT
3617#endif
3618#ifdef SPACE
3619#undef SPACE
3620#endif
d4c3c482 3621#endif
9cffb111 3622
1fd33325
MHM		 3623/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3624 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3625 * it's not really needed.
3626 */
3627#if defined(WIN32)
3628# define YYTOKENTYPE
3629#endif
a0d0e21e
LW		 3630#include "perly.h"
3631
fb73857a 3632#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3633
79072805
LW		 3634typedef enum {
3635 XOPERATOR,
3636 XTERM,
79072805 3637 XREF,
8990e307 3638 XSTATE,
a0d0e21e 3639 XBLOCK,
09bef843
SB		 3640 XATTRBLOCK,
3641 XATTRTERM,
6f33ba73
RGS		 3642 XTERMBLOCK,
3643 XTERMORDORDOR /* evil hack */
27308ded 3644 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3645} expectation;
3646
dc9e4912
GS		 3647enum { /* pass one of these to get_vtbl */
3648 want_vtbl_sv,
3649 want_vtbl_env,
3650 want_vtbl_envelem,
3651 want_vtbl_sig,
3652 want_vtbl_sigelem,
3653 want_vtbl_pack,
3654 want_vtbl_packelem,
3655 want_vtbl_dbline,
3656 want_vtbl_isa,
3657 want_vtbl_isaelem,
3658 want_vtbl_arylen,
3659 want_vtbl_glob,
3660 want_vtbl_mglob,
3661 want_vtbl_nkeys,
3662 want_vtbl_taint,
3663 want_vtbl_substr,
3664 want_vtbl_vec,
3665 want_vtbl_pos,
3666 want_vtbl_bm,
3667 want_vtbl_fm,
3668 want_vtbl_uvar,
3669 want_vtbl_defelem,
3670 want_vtbl_regexp,
3671 want_vtbl_collxfrm,
3672 want_vtbl_amagic,
3673 want_vtbl_amagicelem,
dc9e4912 3674 want_vtbl_regdata,
810b8aa5 3675 want_vtbl_regdatum,
7e8c5dac
HS		 3676 want_vtbl_backref,
3677 want_vtbl_utf8
dc9e4912
GS		 3678};
3679
85e6fe83
LW		 3680 /* Note: the lowest 8 bits are reserved for
3681 stuffing into op->op_private */
f3aa04c2 3682#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3683#define HINT_INTEGER 0x00000001 /* integer pragma */
3684#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3685#define HINT_LOCALE 0x00000004 /* locale pragma */
3686#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3687/* #define HINT_notused10 0x00000010 */
a0ed51b3 3688 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3689 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3690
3691#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3692#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3693#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3694
9cfe5470 3695/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3696#define HINT_NEW_INTEGER 0x00001000
3697#define HINT_NEW_FLOAT 0x00002000
3698#define HINT_NEW_BINARY 0x00004000
3699#define HINT_NEW_STRING 0x00008000
3700#define HINT_NEW_RE 0x00010000
3701#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3702
9cfe5470
RGS		 3703#define HINT_RE_TAINT 0x00100000 /* re pragma */
3704#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3705
9cfe5470
RGS		 3706#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3707#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3708
8fa7688f 3709/* assertions pragma */
06492da6 3710#define HINT_ASSERTING 0x01000000
8fa7688f 3711#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3712
9cfe5470 3713/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3714#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3715#define HINT_SORT_QUICKSORT 0x00000001
3716#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3717#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3718
8bfdd7d9 3719/* Various states of the input record separator SV (rs) */
d4cce5f1 3720#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3721#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3722#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3723#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3724
128e8167 3725/* A struct for keeping various DEBUGGING related stuff,
ce333219 3726 * neatly packed. Currently only scratch variables for
128e8167
JH		 3727 * constructing debug output are included. Needed always,
3728 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3729struct perl_debug_pad {
3730 SV pad[3];
3731};
3732
3733#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 3734#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
3735 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
3736 PERL_DEBUG_PAD(i))
ce333219 3737
56953603 3738/* Enable variables which are pointers to functions */
a2efc822 3739typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3740typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3741typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3742 char* strend, char* strbeg, I32 minend,
3743 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3744typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3745 char *strpos, char *strend,
3746 U32 flags,
3747 struct re_scream_pos_data_s *d);
3748typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3749typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3750
c76ac1ee 3751typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3752typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3753typedef void (*SVFUNC_t) (pTHX_ SV*);
3754typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3755typedef void (*XSINIT_t) (pTHX);
3756typedef void (*ATEXIT_t) (pTHX_ void*);
3757typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3758
22239a37
NIS		 3759/* Set up PERLVAR macros for populating structs */
3760#define PERLVAR(var,type) type var;
51371543 3761#define PERLVARA(var,n,type) type var[n];
22239a37 3762#define PERLVARI(var,type,init) type var;
3fe35a81 3763#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 3764#define PERLVARISC(var,init) const char var[sizeof(init)];
3765
3766typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
3767typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 3768
58a50f62
GS		 3769/* Interpreter exitlist entry */
3770typedef struct exitlistentry {
acfe0abc 3771 void (*fn) (pTHX_ void*);
58a50f62
GS		 3772 void *ptr;
3773} PerlExitListEntry;
3774
aadb217d
JH		 3775/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
3776/* These have to be before perlvars.h */
3777#if !defined(HAS_SIGACTION) && defined(VMS)
3778# define FAKE_PERSISTENT_SIGNAL_HANDLERS
3779#endif
3780/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
3781#if defined(KILL_BY_SIGPRC)
3782# define FAKE_DEFAULT_SIGNAL_HANDLERS
3783#endif
3784
22239a37
NIS		 3785#ifdef PERL_GLOBAL_STRUCT
3786struct perl_vars {
7766f137 3787# include "perlvars.h"
22239a37
NIS		 3788};
3789
7766f137 3790# ifdef PERL_CORE
27da23d5 3791# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 3792EXT struct perl_vars PL_Vars;
3793EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 3794# undef PERL_GET_VARS
3795# define PERL_GET_VARS() PL_VarsPtr
3796# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 3797# else /* PERL_CORE */
3798# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3799EXT
7766f137 3800# endif /* WIN32 */
533c011a 3801struct perl_vars *PL_VarsPtr;
7766f137
GS		 3802# define PL_Vars (*((PL_VarsPtr) \
3803 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3804# endif /* PERL_CORE */
22239a37
NIS		 3805#endif /* PERL_GLOBAL_STRUCT */
3806
acfe0abc 3807#if defined(MULTIPLICITY)
d460ef45 3808/* If we have multiple interpreters define a struct
d4cce5f1 3809 holding variables which must be per-interpreter
d460ef45 3810 If we don't have threads anything that would have
d4cce5f1
NIS		 3811 be per-thread is per-interpreter.
3812*/
3813
79072805 3814struct interpreter {
3db8f154 3815# include "thrdvar.h"
7766f137
GS		 3816# include "intrpvar.h"
3817/*
3818 * The following is a buffer where new variables must
acfe0abc 3819