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Fix typo, noticed by Randal Schwartz
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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH		 79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
27da23d5
JH		 85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 109# define USE_REENTRANT_API
110#endif
111
ac6bedea
JH		 112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
6239f2da
JH		 115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
27da23d5
JH		 125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
3db8f154
MB		 151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
27da23d5
JH		 153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
894356b3
GS		 165# define pTHX_1 2
166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
c5be433b
GS		 169#endif
170
76e3520e
GS		 171#define STATIC static
172#define CPERLscope(x) x
565764a8 173#define CPERLarg void
76e3520e 174#define CPERLarg_
e3b8966e 175#define _CPERLarg
1d583055
GS		 176#define PERL_OBJECT_THIS
177#define _PERL_OBJECT_THIS
178#define PERL_OBJECT_THIS_
312caa8e 179#define CALL_FPTR(fptr) (*fptr)
76e3520e 180
312caa8e
CS		 181#define CALLRUNOPS CALL_FPTR(PL_runops)
182#define CALLREGCOMP CALL_FPTR(PL_regcompp)
183#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 184#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
185#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
186#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 187
27da23d5
JH		 188#if defined(SYMBIAN) && defined(__GNUC__)
189# undef __attribute__
190# undef __attribute__(_arg_)
191# define HASATTRIBUTE
192#endif
193
44dbb695 194#ifdef HASATTRIBUTE
94b00aa4 195# if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
3da75212
MB		 196# define PERL_UNUSED_DECL
197# else
198# define PERL_UNUSED_DECL __attribute__((unused))
199# endif
44dbb695
JH		 200#else
201# define PERL_UNUSED_DECL
202#endif
27da23d5
JH		 203
204#if defined(SYMBIAN) && defined(__GNUC__)
205# undef __attribute__
206# undef __attribute__(_arg_)
207# define HASATTRIBUTE
208#endif
44dbb695 209
349b520e
DM		 210/* gcc -Wall:
211 * for silencing unused variables that are actually used most of the time,
212 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
213 */
214#define PERL_UNUSED_VAR(var) if (0) var = var
215
0cb96387 216#define NOOP (void)0
44dbb695 217#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 218
0cb96387
GS		 219#ifndef pTHX
220# define pTHX void
221# define pTHX_
0cb96387
GS		 222# define aTHX
223# define aTHX_
0cb96387
GS		 224# define dTHXa(a) dNOOP
225# define dTHX dNOOP
894356b3
GS		 226# define pTHX_1 1
227# define pTHX_2 2
228# define pTHX_3 3
229# define pTHX_4 4
0cb96387
GS		 230#endif
231
27da23d5
JH		 232#ifndef dVAR
233# define dVAR dNOOP
234#endif
235
b4f7f263
GS		 236/* these are only defined for compatibility; should not be used internally */
237#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 238# define pTHXo pTHX
239# define pTHXo_ pTHX_
0cb96387
GS		 240# define aTHXo aTHX
241# define aTHXo_ aTHX_
c5be433b 242# define dTHXo dTHX
71d280e3 243# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 244#endif
245
246#ifndef pTHXx
247# define pTHXx register PerlInterpreter *my_perl
248# define pTHXx_ pTHXx,
0cb96387
GS		 249# define aTHXx my_perl
250# define aTHXx_ aTHXx,
c5be433b 251# define dTHXx dTHX
22c35a8c 252#endif
71be2cbc 253
1de7c2ac
GS		 254/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
255 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
256 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
257#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 258# ifdef PERL_GLOBAL_STRUCT_PRIVATE
259# define dTHXs dVAR; dTHX
260# else
261# define dTHXs dTHX
262# endif
1de7c2ac 263#else
27da23d5
JH		 264# ifdef PERL_GLOBAL_STRUCT_PRIVATE
265# define dTHXs dVAR
266# else
267# define dTHXs dNOOP
268# endif
1de7c2ac
GS		 269#endif
270
326b05e3
GS		 271#undef START_EXTERN_C
272#undef END_EXTERN_C
273#undef EXTERN_C
32f822de
GS		 274#ifdef __cplusplus
275# define START_EXTERN_C extern "C" {
276# define END_EXTERN_C }
277# define EXTERN_C extern "C"
278#else
d460ef45
NIS		 279# define START_EXTERN_C
280# define END_EXTERN_C
73c4f7a1 281# define EXTERN_C extern
32f822de
GS		 282#endif
283
27da23d5
JH		 284/* Some platforms require marking function declarations
285 * for them to be exportable. Used in perlio.h, proto.h
286 * is handled either by the makedef.pl or by defining the
287 * PERL_CALLCONV to be something special. See also the
288 * definition of XS() in XSUB.h. */
289#ifndef PERL_EXPORT_C
290# define PERL_EXPORT_C extern
291#endif
292#ifndef PERL_XS_EXPORT_C
293# define PERL_XS_EXPORT_C
294#endif
295
462e5cf6
MB		 296#ifdef OP_IN_REGISTER
297# ifdef __GNUC__
298# define stringify_immed(s) #s
299# define stringify(s) stringify_immed(s)
d1ca3daa 300register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 301# endif
302#endif
303
5dc8bdac 304#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 305# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
306# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
307# endif
5dc8bdac
JH		 308#endif
309
728e2803 310/*
311 * STMT_START { statements; } STMT_END;
312 * can be used as a single statement, as in
313 * if (x) STMT_START { ... } STMT_END; else ...
314 *
315 * Trying to select a version that gives no warnings...
316 */
317#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 318# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 319# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
320# define STMT_END )
321# else
322 /* Now which other defined()s do we need here ??? */
93189314 323# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 324# define STMT_START if (1)
325# define STMT_END else (void)0
326# else
327# define STMT_START do
328# define STMT_END while (0)
329# endif
330# endif
331#endif
332
0cb96387 333#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 334#define WITH_THR(s) WITH_THX(s)
ea0efc06 335
55497cff 336/*
337 * SOFT_CAST can be used for args to prototyped functions to retain some
338 * type checking; it only casts if the compiler does not know prototypes.
339 */
340#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
341#define SOFT_CAST(type)
342#else
343#define SOFT_CAST(type) (type)
344#endif
79072805 345
d6f9c181
JH		 346#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
347# define BYTEORDER 0x1234
79072805
LW		 348#endif
349
350/* Overall memory policy? */
351#ifndef CONSERVATIVE
352# define LIBERAL 1
353#endif
354
8ada0baa
JH		 355#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
356#define ASCIIish
357#else
358#undef ASCIIish
359#endif
360
79072805
LW		 361/*
362 * The following contortions are brought to you on behalf of all the
363 * standards, semi-standards, de facto standards, not-so-de-facto standards
364 * of the world, as well as all the other botches anyone ever thought of.
365 * The basic theory is that if we work hard enough here, the rest of the
366 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
367 */
ac58e20f 368
ee0007ab 369/* define this once if either system, instead of cluttering up the src */
2986a63f 370#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 371#define DOSISH 1
372#endif
373
27da23d5 374#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
352d5a3a
LW		 375# define STANDARD_C 1
376#endif
377
a03dbf46 378#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 379# define DONT_DECLARE_STD 1
380#endif
381
352d5a3a 382#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 383# ifdef __cplusplus
cb69f87a 384# define VOL /* to temporarily suppress warnings */
79072805
LW		 385# else
386# define VOL volatile
387# endif
663a0e37 388#else
79072805 389# define VOL
663a0e37
LW		 390#endif
391
3280af22
NIS		 392#define TAINT (PL_tainted = TRUE)
393#define TAINT_NOT (PL_tainted = FALSE)
394#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
395#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 396#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 397
d460ef45 398/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 399 defines move there? If so, I could simplify this a lot. --AD 9/96.
400*/
401/* Process group stuff changed from traditional BSD to POSIX.
402 perlfunc.pod documents the traditional BSD-style syntax, so we'll
403 try to preserve that, if possible.
404*/
405#ifdef HAS_SETPGID
406# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 407#else
a6e633de 408# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
409# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
410# else
411# ifdef HAS_SETPGRP2 /* DG/UX */
412# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
413# endif
414# endif
415#endif
416#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
417# define HAS_SETPGRP /* Well, effectively it does . . . */
418#endif
419
420/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
421 our life easier :-) so we'll try it.
422*/
423#ifdef HAS_GETPGID
424# define BSD_GETPGRP(pid) getpgid((pid))
425#else
426# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
427# define BSD_GETPGRP(pid) getpgrp((pid))
428# else
429# ifdef HAS_GETPGRP2 /* DG/UX */
430# define BSD_GETPGRP(pid) getpgrp2((pid))
431# endif
432# endif
433#endif
434#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
435# define HAS_GETPGRP /* Well, effectively it does . . . */
436#endif
437
d460ef45 438/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 439 have different behaviors, but perl.h used to define USE_BSDPGRP
440 (prior to 5.003_05) so some extension might depend on it.
441*/
442#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
443# ifndef USE_BSDPGRP
444# define USE_BSDPGRP
445# endif
663a0e37
LW		 446#endif
447
8ac5a1fe
MH		 448/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
449 pthread.h must be included before all other header files.
450*/
3db8f154 451#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 452# include <pthread.h>
453#endif
454
760ac839
LW		 455#ifndef _TYPES_ /* If types.h defines this it's easy. */
456# ifndef major /* Does everyone's types.h define this? */
457# include <sys/types.h>
c07a80fd 458# endif
663a0e37
LW		 459#endif
460
760ac839
LW		 461#ifdef __cplusplus
462# ifndef I_STDARG
463# define I_STDARG 1
464# endif
465#endif
466
467#ifdef I_STDARG
468# include <stdarg.h>
469#else
470# ifdef I_VARARGS
471# include <varargs.h>
472# endif
473#endif
474
4633a7c4 475#ifdef USE_NEXT_CTYPE
0c30d9ec 476
092bebab
JH		 477#if NX_CURRENT_COMPILER_RELEASE >= 500
478# include <bsd/ctypes.h>
479#else
480# if NX_CURRENT_COMPILER_RELEASE >= 400
481# include <objc/NXCType.h>
482# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
483# include <appkit/NXCType.h>
484# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
485#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 486
487#else /* !USE_NEXT_CTYPE */
fe14fcc3 488#include <ctype.h>
0c30d9ec 489#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 490
491#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
492#undef METHOD
a0d0e21e
LW		 493#endif
494
12ae5dfc
JH		 495#ifdef PERL_MICRO
496# define NO_LOCALE
497#endif
498
4633a7c4 499#ifdef I_LOCALE
36477c24 500# include <locale.h>
4633a7c4
LW		 501#endif
502
36477c24 503#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
504# define USE_LOCALE
505# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
506 && defined(HAS_STRXFRM)
507# define USE_LOCALE_COLLATE
508# endif
509# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
510# define USE_LOCALE_CTYPE
511# endif
512# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
513# define USE_LOCALE_NUMERIC
514# endif
515#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 516
fe14fcc3 517#include <setjmp.h>
79072805 518
a0d0e21e 519#ifdef I_SYS_PARAM
79072805
LW		 520# ifdef PARAM_NEEDS_TYPES
521# include <sys/types.h>
522# endif
523# include <sys/param.h>
352d5a3a 524#endif
79072805 525
79072805 526/* Use all the "standard" definitions? */
a0d0e21e 527#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 528# include <stdlib.h>
ff68c719 529#endif
03a14243 530
3f270f98
JH		 531/* If this causes problems, set i_unistd=undef in the hint file. */
532#ifdef I_UNISTD
533# include <unistd.h>
534#endif
535
27da23d5
JH		 536#ifdef SYMBIAN
537# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
538#endif
539
7114a2d2 540#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 541int syscall(int, ...);
542#endif
543
7114a2d2 544#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 545int usleep(unsigned int);
2ef53570
JH		 546#endif
547
9a34ef1d
GS		 548#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
549# define MYSWAP
550#endif
551
1109a392
MHM		 552#ifdef PERL_CORE
553
554/* macros for correct constant construction */
555# if INTSIZE >= 2
556# define U16_CONST(x) ((U16)x##U)
557# else
558# define U16_CONST(x) ((U16)x##UL)
559# endif
560
561# if INTSIZE >= 4
562# define U32_CONST(x) ((U32)x##U)
563# else
564# define U32_CONST(x) ((U32)x##UL)
565# endif
566
567# ifdef HAS_QUAD
568# if INTSIZE >= 8
569# define U64_CONST(x) ((U64)x##U)
570# elif LONGSIZE >= 8
571# define U64_CONST(x) ((U64)x##UL)
572# elif QUADKIND == QUAD_IS_LONG_LONG
573# define U64_CONST(x) ((U64)x##ULL)
574# else /* best guess we can make */
575# define U64_CONST(x) ((U64)x##UL)
576# endif
577# endif
578
579/* byte-swapping functions for big-/little-endian conversion */
580# define _swab_16_(x) ((U16)( \
581 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
582 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
583
584# define _swab_32_(x) ((U32)( \
585 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
586 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
587 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
588 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
589
590# ifdef HAS_QUAD
591# define _swab_64_(x) ((U64)( \
592 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
593 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
594 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
595 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
596 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
597 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
598 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
599 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
600# endif
601
602/*----------------------------------------------------------------------------*/
603# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
604/*----------------------------------------------------------------------------*/
605# define my_htole16(x) (x)
606# define my_letoh16(x) (x)
607# define my_htole32(x) (x)
608# define my_letoh32(x) (x)
609# define my_htobe16(x) _swab_16_(x)
610# define my_betoh16(x) _swab_16_(x)
611# define my_htobe32(x) _swab_32_(x)
612# define my_betoh32(x) _swab_32_(x)
613# ifdef HAS_QUAD
614# define my_htole64(x) (x)
615# define my_letoh64(x) (x)
616# define my_htobe64(x) _swab_64_(x)
617# define my_betoh64(x) _swab_64_(x)
618# endif
619# define my_htoles(x) (x)
620# define my_letohs(x) (x)
621# define my_htolei(x) (x)
622# define my_letohi(x) (x)
623# define my_htolel(x) (x)
624# define my_letohl(x) (x)
625# if SHORTSIZE == 1
626# define my_htobes(x) (x)
627# define my_betohs(x) (x)
628# elif SHORTSIZE == 2
629# define my_htobes(x) _swab_16_(x)
630# define my_betohs(x) _swab_16_(x)
631# elif SHORTSIZE == 4
632# define my_htobes(x) _swab_32_(x)
633# define my_betohs(x) _swab_32_(x)
634# elif SHORTSIZE == 8
635# define my_htobes(x) _swab_64_(x)
636# define my_betohs(x) _swab_64_(x)
637# else
638# define PERL_NEED_MY_HTOBES
639# define PERL_NEED_MY_BETOHS
640# endif
641# if INTSIZE == 1
642# define my_htobei(x) (x)
643# define my_betohi(x) (x)
644# elif INTSIZE == 2
645# define my_htobei(x) _swab_16_(x)
646# define my_betohi(x) _swab_16_(x)
647# elif INTSIZE == 4
648# define my_htobei(x) _swab_32_(x)
649# define my_betohi(x) _swab_32_(x)
650# elif INTSIZE == 8
651# define my_htobei(x) _swab_64_(x)
652# define my_betohi(x) _swab_64_(x)
653# else
654# define PERL_NEED_MY_HTOBEI
655# define PERL_NEED_MY_BETOHI
656# endif
657# if LONGSIZE == 1
658# define my_htobel(x) (x)
659# define my_betohl(x) (x)
660# elif LONGSIZE == 2
661# define my_htobel(x) _swab_16_(x)
662# define my_betohl(x) _swab_16_(x)
663# elif LONGSIZE == 4
664# define my_htobel(x) _swab_32_(x)
665# define my_betohl(x) _swab_32_(x)
666# elif LONGSIZE == 8
667# define my_htobel(x) _swab_64_(x)
668# define my_betohl(x) _swab_64_(x)
669# else
670# define PERL_NEED_MY_HTOBEL
671# define PERL_NEED_MY_BETOHL
672# endif
673# define my_htolen(p,n) NOOP
674# define my_letohn(p,n) NOOP
675# define my_htoben(p,n) my_swabn(p,n)
676# define my_betohn(p,n) my_swabn(p,n)
677/*----------------------------------------------------------------------------*/
678# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
679/*----------------------------------------------------------------------------*/
680# define my_htobe16(x) (x)
681# define my_betoh16(x) (x)
682# define my_htobe32(x) (x)
683# define my_betoh32(x) (x)
684# define my_htole16(x) _swab_16_(x)
685# define my_letoh16(x) _swab_16_(x)
686# define my_htole32(x) _swab_32_(x)
687# define my_letoh32(x) _swab_32_(x)
688# ifdef HAS_QUAD
689# define my_htobe64(x) (x)
690# define my_betoh64(x) (x)
691# define my_htole64(x) _swab_64_(x)
692# define my_letoh64(x) _swab_64_(x)
693# endif
694# define my_htobes(x) (x)
695# define my_betohs(x) (x)
696# define my_htobei(x) (x)
697# define my_betohi(x) (x)
698# define my_htobel(x) (x)
699# define my_betohl(x) (x)
700# if SHORTSIZE == 1
701# define my_htoles(x) (x)
702# define my_letohs(x) (x)
703# elif SHORTSIZE == 2
704# define my_htoles(x) _swab_16_(x)
705# define my_letohs(x) _swab_16_(x)
706# elif SHORTSIZE == 4
707# define my_htoles(x) _swab_32_(x)
708# define my_letohs(x) _swab_32_(x)
709# elif SHORTSIZE == 8
710# define my_htoles(x) _swab_64_(x)
711# define my_letohs(x) _swab_64_(x)
712# else
713# define PERL_NEED_MY_HTOLES
714# define PERL_NEED_MY_LETOHS
715# endif
716# if INTSIZE == 1
717# define my_htolei(x) (x)
718# define my_letohi(x) (x)
719# elif INTSIZE == 2
720# define my_htolei(x) _swab_16_(x)
721# define my_letohi(x) _swab_16_(x)
722# elif INTSIZE == 4
723# define my_htolei(x) _swab_32_(x)
724# define my_letohi(x) _swab_32_(x)
725# elif INTSIZE == 8
726# define my_htolei(x) _swab_64_(x)
727# define my_letohi(x) _swab_64_(x)
728# else
729# define PERL_NEED_MY_HTOLEI
730# define PERL_NEED_MY_LETOHI
731# endif
732# if LONGSIZE == 1
733# define my_htolel(x) (x)
734# define my_letohl(x) (x)
735# elif LONGSIZE == 2
736# define my_htolel(x) _swab_16_(x)
737# define my_letohl(x) _swab_16_(x)
738# elif LONGSIZE == 4
739# define my_htolel(x) _swab_32_(x)
740# define my_letohl(x) _swab_32_(x)
741# elif LONGSIZE == 8
742# define my_htolel(x) _swab_64_(x)
743# define my_letohl(x) _swab_64_(x)
744# else
745# define PERL_NEED_MY_HTOLEL
746# define PERL_NEED_MY_LETOHL
747# endif
748# define my_htolen(p,n) my_swabn(p,n)
749# define my_letohn(p,n) my_swabn(p,n)
750# define my_htoben(p,n) NOOP
751# define my_betohn(p,n) NOOP
752/*----------------------------------------------------------------------------*/
753# else /* all other byte-orders */
754/*----------------------------------------------------------------------------*/
755# define PERL_NEED_MY_HTOLE16
756# define PERL_NEED_MY_LETOH16
757# define PERL_NEED_MY_HTOBE16
758# define PERL_NEED_MY_BETOH16
759# define PERL_NEED_MY_HTOLE32
760# define PERL_NEED_MY_LETOH32
761# define PERL_NEED_MY_HTOBE32
762# define PERL_NEED_MY_BETOH32
763# ifdef HAS_QUAD
764# define PERL_NEED_MY_HTOLE64
765# define PERL_NEED_MY_LETOH64
766# define PERL_NEED_MY_HTOBE64
767# define PERL_NEED_MY_BETOH64
768# endif
769# define PERL_NEED_MY_HTOLES
770# define PERL_NEED_MY_LETOHS
771# define PERL_NEED_MY_HTOBES
772# define PERL_NEED_MY_BETOHS
773# define PERL_NEED_MY_HTOLEI
774# define PERL_NEED_MY_LETOHI
775# define PERL_NEED_MY_HTOBEI
776# define PERL_NEED_MY_BETOHI
777# define PERL_NEED_MY_HTOLEL
778# define PERL_NEED_MY_LETOHL
779# define PERL_NEED_MY_HTOBEL
780# define PERL_NEED_MY_BETOHL
781/*----------------------------------------------------------------------------*/
782# endif /* end of byte-order macros */
783/*----------------------------------------------------------------------------*/
784
785#endif /* PERL_CORE */
786
66a93824
NIS		 787/* Cannot include embed.h here on Win32 as win32.h has not
788 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
789 */
96e176bf 790#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 791# include "embed.h"
792#endif
793
c31fac66
GS		 794#define MEM_SIZE Size_t
795
51371543
GS		 796#if defined(STANDARD_C) && defined(I_STDDEF)
797# include <stddef.h>
798# define STRUCT_OFFSET(s,m) offsetof(s,m)
799#else
800# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
801#endif
802
27da23d5
JH		 803#ifndef SYMBIAN
804# if defined(I_STRING) || defined(__cplusplus)
805# include <string.h>
806# else
807# include <strings.h>
808# endif
51371543
GS		 809#endif
810
55497cff 811/* This comes after <stdlib.h> so we don't try to change the standard
812 * library prototypes; we'll use our own in proto.h instead. */
03a14243 813
4633a7c4 814#ifdef MYMALLOC
86058a2d 815# ifdef PERL_POLLUTE_MALLOC
ee13e175 816# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 817# define Perl_malloc malloc
818# define Perl_calloc calloc
819# define Perl_realloc realloc
820# define Perl_mfree free
ee13e175 821# endif
86058a2d
GS		 822# else
823# define EMBEDMYMALLOC /* for compatibility */
824# endif
827e134a 825
651b9576
GS		 826# define safemalloc Perl_malloc
827# define safecalloc Perl_calloc
828# define saferealloc Perl_realloc
829# define safefree Perl_mfree
22f7c9c9
JH		 830# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
831 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
832 code; \
833 } STMT_END
834# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
835 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
836# define panic_write2(s) write(2, s, strlen(s))
837# define CHECK_MALLOC_TAINT(newval) \
838 CHECK_MALLOC_TOO_LATE_FOR_( \
839 if (newval) { \
840 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
841 exit(1); })
22f7c9c9 842# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 843 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 844 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
845 }} STMT_END;
f2517201
GS		 846#else /* MYMALLOC */
847# define safemalloc safesysmalloc
848# define safecalloc safesyscalloc
849# define saferealloc safesysrealloc
850# define safefree safesysfree
22f7c9c9
JH		 851# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
852# define CHECK_MALLOC_TAINT(newval) ((void)0)
853# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 854#endif /* MYMALLOC */
4633a7c4 855
27da23d5 856#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		 857#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
858#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
859#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
860
a0d0e21e
LW		 861#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
862#define strchr index
863#define strrchr rindex
864#endif
865
16d20bd9
AD		 866#ifdef I_MEMORY
867# include <memory.h>
868#endif
869
fe14fcc3 870#ifdef HAS_MEMCPY
85e6fe83 871# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 872# ifndef memcpy
20ce7b12 873 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 874# endif
875# endif
876#else
877# ifndef memcpy
878# ifdef HAS_BCOPY
879# define memcpy(d,s,l) bcopy(s,d,l)
880# else
881# define memcpy(d,s,l) my_bcopy(s,d,l)
882# endif
883# endif
884#endif /* HAS_MEMCPY */
fe14fcc3 885
ee0007ab 886#ifdef HAS_MEMSET
85e6fe83 887# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 888# ifndef memset
20ce7b12 889 extern char *memset (char*, int, int);
ee0007ab
LW		 890# endif
891# endif
ee0007ab 892#else
12ae5dfc 893# undef memset
fc36a67e 894# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 895#endif /* HAS_MEMSET */
896
85e6fe83 897#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 898# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 899# define memmove(d,s,l) bcopy(s,d,l)
900# else
2304df62 901# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 902# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 903# else
79072805 904# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 905# endif
352d5a3a 906# endif
d9d8d8de 907#endif
ee0007ab 908
36477c24 909#if defined(mips) && defined(ultrix) && !defined(__STDC__)
910# undef HAS_MEMCMP
911#endif
912
913#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 914# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 915# ifndef memcmp
20ce7b12 916 extern int memcmp (char*, char*, int);
ee0007ab
LW		 917# endif
918# endif
36477c24 919# ifdef BUGGY_MSC
7e4e8c89 920# pragma function(memcmp)
36477c24 921# endif
ee0007ab
LW		 922#else
923# ifndef memcmp
ecfc5424 924# define memcmp my_memcmp
352d5a3a 925# endif
36477c24 926#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 927
fc36a67e 928#ifndef memzero
c635e13b 929# ifdef HAS_MEMSET
930# define memzero(d,l) memset(d,0,l)
79072805 931# else
c635e13b 932# ifdef HAS_BZERO
933# define memzero(d,l) bzero(d,l)
79072805 934# else
fc36a67e 935# define memzero(d,l) my_bzero(d,l)
79072805
LW		 936# endif
937# endif
d9d8d8de 938#endif
378cc40b 939
2f42fcb0 940#ifndef PERL_MICRO
0f27ced1
JH		 941#ifndef memchr
942# ifndef HAS_MEMCHR
943# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
944# endif
945#endif
2f42fcb0 946#endif
0f27ced1 947
36477c24 948#ifndef HAS_BCMP
949# ifndef bcmp
950# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 951# endif
36477c24 952#endif /* !HAS_BCMP */
378cc40b 953
ae986130 954#ifdef I_NETINET_IN
79072805 955# include <netinet/in.h>
ae986130
LW		 956#endif
957
28e8609d
JH		 958#ifdef I_ARPA_INET
959# include <arpa/inet.h>
960#endif
961
84902520
TB		 962#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
963/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
964 * (the neo-BSD seem to do this). */
965# undef SF_APPEND
966#endif
967
1aef975c 968#ifdef I_SYS_STAT
84902520 969# include <sys/stat.h>
1aef975c 970#endif
79072805 971
a0d0e21e
LW		 972/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
973 like UTekV) are broken, sometimes giving false positives. Undefine
974 them here and let the code below set them to proper values.
975
976 The ghs macro stands for GreenHills Software C-1.8.5 which
977 is the C compiler for sysV88 and the various derivatives.
978 This header file bug is corrected in gcc-2.5.8 and later versions.
979 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
980
981#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 982# undef S_ISDIR
983# undef S_ISCHR
984# undef S_ISBLK
985# undef S_ISREG
986# undef S_ISFIFO
987# undef S_ISLNK
ee0007ab 988#endif
135863df 989
663a0e37
LW		 990#ifdef I_TIME
991# include <time.h>
ffed7fef 992#endif
663a0e37 993
fe14fcc3 994#ifdef I_SYS_TIME
85e6fe83 995# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 996# define KERNEL
997# endif
998# include <sys/time.h>
85e6fe83 999# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1000# undef KERNEL
1001# endif
a687059c 1002#endif
135863df 1003
55497cff 1004#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1005# include <sys/times.h>
d9d8d8de 1006#endif
8d063cd8 1007
fe14fcc3 1008#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1009# undef HAS_STRERROR
663a0e37
LW		 1010#endif
1011
1012#include <errno.h>
1e743fda 1013
acfe0abc 1014#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1015# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1016#endif
1017
8cfab5ff
JH		 1018/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1019 * This is important for using IPv6.
1020 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1021 * a bad idea since it breaks send() and recv(). */
1022#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1023# define _SOCKADDR_LEN
1024#endif
1025
8d3f517a 1026#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1027# include <sys/socket.h>
1028# if defined(USE_SOCKS) && defined(I_SOCKS)
1029# if !defined(INCLUDE_PROTOTYPES)
1030# define INCLUDE_PROTOTYPES /* for <socks.h> */
1031# define PERL_SOCKS_NEED_PROTOTYPES
1032# endif
1033# include <socks.h>
1034# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1035# undef INCLUDE_PROTOTYPES
1036# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1037# endif
d460ef45 1038# endif
1e743fda 1039# ifdef I_NETDB
2986a63f
JH		 1040# ifdef NETWARE
1041# include<stdio.h>
1042# endif
1e743fda
JH		 1043# include <netdb.h>
1044# endif
1045# ifndef ENOTSOCK
1046# ifdef I_NET_ERRNO
1047# include <net/errno.h>
1048# endif
1049# endif
1050#endif
1051
fa0a29af 1052/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1053 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1054 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1055#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1056# if defined(__THROW) && defined(__GLIBC__)
1057int sockatmark(int) __THROW;
1058# else
2ef53570 1059int sockatmark(int);
29820b6d 1060# endif
2ef53570
JH		 1061#endif
1062
1e743fda
JH		 1063#ifdef SETERRNO
1064# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1065#endif
f86702cc 1066
1067#ifdef VMS
1068# define SETERRNO(errcode,vmserrcode) \
1069 STMT_START { \
1070 set_errno(errcode); \
1071 set_vaxc_errno(vmserrcode); \
1072 } STMT_END
93189314
JH		 1073# define LIB_INVARG LIB$_INVARG
1074# define RMS_DIR RMS$_DIR
1075# define RMS_FAC RMS$_FAC
1076# define RMS_FEX RMS$_FEX
1077# define RMS_FNF RMS$_FNF
1078# define RMS_IFI RMS$_IFI
1079# define RMS_ISI RMS$_ISI
1080# define RMS_PRV RMS$_PRV
1081# define SS_ACCVIO SS$_ACCVIO
1082# define SS_DEVOFFLINE SS$_DEVOFFLINE
1083# define SS_IVCHAN SS$_IVCHAN
1084# define SS_NORMAL SS$_NORMAL
748a9306 1085#else
aba27d88 1086# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1087# define LIB_INVARG 0
1088# define RMS_DIR 0
1089# define RMS_FAC 0
1090# define RMS_FEX 0
1091# define RMS_FNF 0
1092# define RMS_IFI 0
1093# define RMS_ISI 0
1094# define RMS_PRV 0
1095# define SS_ACCVIO 0
1096# define SS_DEVOFFLINE 0
1097# define SS_IVCHAN 0
1098# define SS_NORMAL 0
748a9306 1099#endif
ed6116ce 1100
3db8f154
MB		 1101#define ERRSV GvSV(PL_errgv)
1102#define DEFSV GvSV(PL_defgv)
1103#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1104
98eae8f5
GS		 1105#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1106
55497cff 1107#ifndef errno
5ff3f7a4
GS		 1108 extern int errno; /* ANSI allows errno to be an lvalue expr.
1109 * For example in multithreaded environments
1110 * something like this might happen:
1111 * extern int *_errno(void);
1112 * #define errno (*_errno()) */
d9d8d8de 1113#endif
663a0e37 1114
2304df62 1115#ifdef HAS_STRERROR
a0d0e21e 1116# ifdef VMS
20ce7b12 1117 char *strerror (int,...);
a0d0e21e 1118# else
68dc0745 1119#ifndef DONT_DECLARE_STD
20ce7b12 1120 char *strerror (int);
68dc0745 1121#endif
a0d0e21e 1122# endif
2304df62
AD		 1123# ifndef Strerror
1124# define Strerror strerror
1125# endif
1126#else
1127# ifdef HAS_SYS_ERRLIST
79072805
LW		 1128 extern int sys_nerr;
1129 extern char *sys_errlist[];
2304df62
AD		 1130# ifndef Strerror
1131# define Strerror(e) \
79072805 1132 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1133# endif
79072805 1134# endif
35c8bce7 1135#endif
663a0e37 1136
2304df62 1137#ifdef I_SYS_IOCTL
79072805
LW		 1138# ifndef _IOCTL_
1139# include <sys/ioctl.h>
1140# endif
a687059c
LW		 1141#endif
1142
ee0007ab 1143#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1144# ifdef HAS_SOCKETPAIR
1145# undef HAS_SOCKETPAIR
1146# endif
2304df62
AD		 1147# ifdef I_NDBM
1148# undef I_NDBM
79072805 1149# endif
a687059c
LW		 1150#endif
1151
02fc2eee
NC		 1152#ifndef HAS_SOCKETPAIR
1153# ifdef HAS_SOCKET
1154# define socketpair Perl_my_socketpair
1155# endif
1156#endif
1157
a687059c 1158#if INTSIZE == 2
79072805
LW		 1159# define htoni htons
1160# define ntohi ntohs
a687059c 1161#else
79072805
LW		 1162# define htoni htonl
1163# define ntohi ntohl
a687059c
LW		 1164#endif
1165
a0d0e21e 1166/* Configure already sets Direntry_t */
35c8bce7 1167#if defined(I_DIRENT)
663a0e37 1168# include <dirent.h>
8f1f23e8
W		 1169 /* NeXT needs dirent + sys/dir.h */
1170# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1171# include <sys/dir.h>
1172# endif
ae986130 1173#else
fe14fcc3 1174# ifdef I_SYS_NDIR
79a0689e 1175# include <sys/ndir.h>
663a0e37 1176# else
fe14fcc3 1177# ifdef I_SYS_DIR
79a0689e
LW		 1178# ifdef hp9000s500
1179# include <ndir.h> /* may be wrong in the future */
1180# else
1181# include <sys/dir.h>
1182# endif
663a0e37
LW		 1183# endif
1184# endif
4633a7c4 1185#endif
a687059c 1186
12ae5dfc
JH		 1187#ifdef PERL_MICRO
1188# ifndef DIR
1189# define DIR void
1190# endif
1191#endif
1192
352d5a3a
LW		 1193#ifdef FPUTS_BOTCH
1194/* work around botch in SunOS 4.0.1 and 4.0.2 */
1195# ifndef fputs
79072805 1196# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1197# endif
1198#endif
1199
c623bd54
LW		 1200/*
1201 * The following gobbledygook brought to you on behalf of __STDC__.
1202 * (I could just use #ifndef __STDC__, but this is more bulletproof
1203 * in the face of half-implementations.)
1204 */
1205
7114a2d2 1206#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1207#include <sys/mode.h>
1208#endif
1209
c623bd54
LW		 1210#ifndef S_IFMT
1211# ifdef _S_IFMT
1212# define S_IFMT _S_IFMT
1213# else
1214# define S_IFMT 0170000
1215# endif
1216#endif
1217
1218#ifndef S_ISDIR
1219# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1220#endif
1221
1222#ifndef S_ISCHR
1223# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1224#endif
1225
1226#ifndef S_ISBLK
fe14fcc3
LW		 1227# ifdef S_IFBLK
1228# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1229# else
1230# define S_ISBLK(m) (0)
1231# endif
c623bd54
LW		 1232#endif
1233
1234#ifndef S_ISREG
1235# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1236#endif
1237
1238#ifndef S_ISFIFO
fe14fcc3
LW		 1239# ifdef S_IFIFO
1240# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1241# else
1242# define S_ISFIFO(m) (0)
1243# endif
c623bd54
LW		 1244#endif
1245
1246#ifndef S_ISLNK
1247# ifdef _S_ISLNK
1248# define S_ISLNK(m) _S_ISLNK(m)
1249# else
1250# ifdef _S_IFLNK
1251# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1252# else
1253# ifdef S_IFLNK
1254# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1255# else
1256# define S_ISLNK(m) (0)
1257# endif
1258# endif
1259# endif
1260#endif
1261
1262#ifndef S_ISSOCK
1263# ifdef _S_ISSOCK
1264# define S_ISSOCK(m) _S_ISSOCK(m)
1265# else
1266# ifdef _S_IFSOCK
1267# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1268# else
1269# ifdef S_IFSOCK
1270# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1271# else
1272# define S_ISSOCK(m) (0)
1273# endif
1274# endif
1275# endif
1276#endif
1277
1278#ifndef S_IRUSR
1279# ifdef S_IREAD
1280# define S_IRUSR S_IREAD
1281# define S_IWUSR S_IWRITE
1282# define S_IXUSR S_IEXEC
1283# else
1284# define S_IRUSR 0400
1285# define S_IWUSR 0200
1286# define S_IXUSR 0100
1287# endif
fac7cdfc
JS		 1288#endif
1289
1290#ifndef S_IRGRP
1291# ifdef S_IRUSR
1292# define S_IRGRP (S_IRUSR>>3)
1293# define S_IWGRP (S_IWUSR>>3)
1294# define S_IXGRP (S_IXUSR>>3)
1295# else
1296# define S_IRGRP 0040
1297# define S_IWGRP 0020
1298# define S_IXGRP 0010
1299# endif
1300#endif
1301
1302#ifndef S_IROTH
1303# ifdef S_IRUSR
1304# define S_IROTH (S_IRUSR>>6)
1305# define S_IWOTH (S_IWUSR>>6)
1306# define S_IXOTH (S_IXUSR>>6)
1307# else
1308# define S_IROTH 0040
1309# define S_IWOTH 0020
1310# define S_IXOTH 0010
1311# endif
c623bd54
LW		 1312#endif
1313
1314#ifndef S_ISUID
1315# define S_ISUID 04000
1316#endif
1317
1318#ifndef S_ISGID
1319# define S_ISGID 02000
1320#endif
1321
ca6e1c26
JH		 1322#ifndef S_IRWXU
1323# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1324#endif
ca6e1c26
JH		 1325
1326#ifndef S_IRWXG
1327# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1328#endif
ca6e1c26
JH		 1329
1330#ifndef S_IRWXO
1331# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1332#endif
ca6e1c26 1333
c21fb2b8
JH		 1334/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1335 * which would get included through <sys/file.h >, but that is 3000
1336 * lines in the future. --jhi */
1337
1338#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1339# define S_IREAD S_IRUSR
1340#endif
1341
c21fb2b8 1342#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1343# define S_IWRITE S_IWUSR
1344#endif
1345
1346#ifndef S_IEXEC
1347# define S_IEXEC S_IXUSR
1348#endif
1349
79072805
LW		 1350#ifdef ff_next
1351# undef ff_next
352d5a3a
LW		 1352#endif
1353
a0d0e21e 1354#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1355# define SLOPPYDIVIDE
1356#endif
1357
748a9306
LW		 1358#ifdef UV
1359#undef UV
1360#endif
1361
c89df6bf
JH		 1362#ifdef SPRINTF_E_BUG
1363# define sprintf UTS_sprintf_wrap
1364#endif
1365
c495e728
JH		 1366/* Configure gets this right but the UTS compiler gets it wrong.
1367 -- Hal Morris <hom00@utsglobal.com> */
1368#ifdef UTS
1369# undef UVTYPE
1370# define UVTYPE unsigned
1371#endif
1372
05f13f53 1373/*
27d4fb96 1374 The IV type is supposed to be long enough to hold any integral
1375 value or a pointer.
1376 --Andy Dougherty August 1996
1377*/
1378
a22e52b9
JH		 1379typedef IVTYPE IV;
1380typedef UVTYPE UV;
8175356b 1381
10cc9d2a 1382#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1383# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1384# define IV_MAX INT64_MAX
1385# define IV_MIN INT64_MIN
1386# define UV_MAX UINT64_MAX
cae7ae48
JH		 1387# ifndef UINT64_MIN
1388# define UINT64_MIN 0
1389# endif
5ff3f7a4
GS		 1390# define UV_MIN UINT64_MIN
1391# else
1392# define IV_MAX PERL_QUAD_MAX
1393# define IV_MIN PERL_QUAD_MIN
1394# define UV_MAX PERL_UQUAD_MAX
1395# define UV_MIN PERL_UQUAD_MIN
1396# endif
cf2093f6
JH		 1397# define IV_IS_QUAD
1398# define UV_IS_QUAD
79072805 1399#else
8175356b 1400# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1401# define IV_MAX INT32_MAX
1402# define IV_MIN INT32_MIN
716026f9
DL		 1403# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1404# define UV_MAX UINT32_MAX
1405# else
1406# define UV_MAX 4294967295U
1407# endif
cae7ae48
JH		 1408# ifndef UINT32_MIN
1409# define UINT32_MIN 0
1410# endif
5ff3f7a4
GS		 1411# define UV_MIN UINT32_MIN
1412# else
1413# define IV_MAX PERL_LONG_MAX
1414# define IV_MIN PERL_LONG_MIN
1415# define UV_MAX PERL_ULONG_MAX
1416# define UV_MIN PERL_ULONG_MIN
1417# endif
8175356b 1418# if IVSIZE == 8
cf2093f6
JH		 1419# define IV_IS_QUAD
1420# define UV_IS_QUAD
de1c2614
JH		 1421# ifndef HAS_QUAD
1422# define HAS_QUAD
1423# endif
cf2093f6
JH		 1424# else
1425# undef IV_IS_QUAD
1426# undef UV_IS_QUAD
de1c2614 1427# undef HAS_QUAD
cf2093f6 1428# endif
79072805 1429#endif
d7d93a81 1430
1109a392
MHM		 1431#ifndef HAS_QUAD
1432# undef PERL_NEED_MY_HTOLE64
1433# undef PERL_NEED_MY_LETOH64
1434# undef PERL_NEED_MY_HTOBE64
1435# undef PERL_NEED_MY_BETOH64
1436#endif
1437
6cde8aec 1438#if defined(uts) || defined(UTS)
11afe549
HM		 1439# undef UV_MAX
1440# define UV_MAX (4294967295u)
20601011
JH		 1441#endif
1442
cae7ae48 1443#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1444#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1445
28e5dec8 1446#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1447#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1448#endif
1449
d460ef45 1450/*
26bb67e2
JH		 1451 * The macros INT2PTR and NUM2PTR are (despite their names)
1452 * bi-directional: they will convert int/float to or from pointers.
1453 * However the conversion to int/float are named explicitly:
1454 * PTR2IV, PTR2UV, PTR2NV.
1455 *
1456 * For int conversions we do not need two casts if pointers are
1457 * the same size as IV and UV. Otherwise we need an explicit
1458 * cast (PTRV) to avoid compiler warnings.
1459 */
56431972
RB		 1460#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1461# define PTRV UV
1462# define INT2PTR(any,d) (any)(d)
1463#else
d460ef45 1464# if PTRSIZE == LONGSIZE
56431972 1465# define PTRV unsigned long
42718184 1466# else
56431972 1467# define PTRV unsigned
42718184 1468# endif
56431972 1469# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1470#endif
56431972
RB		 1471#define NUM2PTR(any,d) (any)(PTRV)(d)
1472#define PTR2IV(p) INT2PTR(IV,p)
1473#define PTR2UV(p) INT2PTR(UV,p)
1474#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1475#if PTRSIZE == LONGSIZE
d2560b70
RB		 1476# define PTR2ul(p) (unsigned long)(p)
1477#else
1478# define PTR2ul(p) INT2PTR(unsigned long,p)
1479#endif
d460ef45 1480
65202027 1481#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1482# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1483# define LONG_DOUBLE_EQUALS_DOUBLE
1484# endif
68d4903c 1485# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1486# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1487# endif
1488#endif
1489
2d4389e4
JH		 1490#ifdef OVR_DBL_DIG
1491/* Use an overridden DBL_DIG */
1492# ifdef DBL_DIG
1493# undef DBL_DIG
1494# endif
1495# define DBL_DIG OVR_DBL_DIG
1496#else
1497/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1498 default value for printing floating point numbers in Gconvert
1499 (see config.h). (It also has other uses, such as figuring out if
1500 a given precision of printing can be done with a double instead of
1501 a long double - Allen).
2d4389e4
JH		 1502*/
1503#ifdef I_LIMITS
1504#include <limits.h>
1505#endif
1506#ifdef I_FLOAT
1507#include <float.h>
1508#endif
1509#ifndef HAS_DBL_DIG
1510#define DBL_DIG 15 /* A guess that works lots of places */
1511#endif
1512#endif
cbca01e1
JH		 1513#ifdef I_FLOAT
1514#include <float.h>
1515#endif
1516#ifndef HAS_DBL_DIG
1517#define DBL_DIG 15 /* A guess that works lots of places */
1518#endif
2d4389e4
JH		 1519
1520#ifdef OVR_LDBL_DIG
1521/* Use an overridden LDBL_DIG */
1522# ifdef LDBL_DIG
1523# undef LDBL_DIG
1524# endif
1525# define LDBL_DIG OVR_LDBL_DIG
1526#else
1527/* The following is all to get LDBL_DIG, in order to pick a nice
1528 default value for printing floating point numbers in Gconvert.
1529 (see config.h)
1530*/
68d4903c
JH		 1531# ifdef I_LIMITS
1532# include <limits.h>
1533# endif
1534# ifdef I_FLOAT
1535# include <float.h>
1536# endif
1537# ifndef HAS_LDBL_DIG
1538# if LONG_DOUBLESIZE == 10
1539# define LDBL_DIG 18 /* assume IEEE */
1540# else
1541# if LONG_DOUBLESIZE == 12
1542# define LDBL_DIG 18 /* gcc? */
1543# else
1544# if LONG_DOUBLESIZE == 16
1545# define LDBL_DIG 33 /* assume IEEE */
1546# else
1547# if LONG_DOUBLESIZE == DOUBLESIZE
1548# define LDBL_DIG DBL_DIG /* bummer */
1549# endif
1550# endif
1551# endif
1552# endif
1553# endif
2d4389e4
JH		 1554#endif
1555
20f6aaab
AS		 1556/*
1557 * This is for making sure we have a good DBL_MAX value, if possible,
1558 * either for usage as NV_MAX or for usage in figuring out if we can
1559 * fit a given long double into a double, if bug-fixing makes it
1560 * necessary to do so. - Allen <allens@cpan.org>
1561 */
1562
205f51d8
AS		 1563#ifdef I_LIMITS
1564# include <limits.h>
20f6aaab
AS		 1565#endif
1566
205f51d8
AS		 1567#ifdef I_VALUES
1568# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1569# include <values.h>
1570# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1571# define DBL_MAX MAXDOUBLE
1572# endif
1573# if defined(MINDOUBLE) && !defined(DBL_MIN)
1574# define DBL_MIN MINDOUBLE
1575# endif
1576# endif
1577#endif /* defined(I_VALUES) */
1578
a22e52b9 1579typedef NVTYPE NV;
8175356b 1580
792d8dab
JH		 1581#ifdef I_IEEEFP
1582# include <ieeefp.h>
1583#endif
923fc586 1584
65202027 1585#ifdef USE_LONG_DOUBLE
923fc586
JH		 1586# ifdef I_SUNMATH
1587# include <sunmath.h>
1588# endif
2d4389e4 1589# define NV_DIG LDBL_DIG
d6c14000
JH		 1590# ifdef LDBL_MANT_DIG
1591# define NV_MANT_DIG LDBL_MANT_DIG
1592# endif
06fc1729
JH		 1593# ifdef LDBL_MIN
1594# define NV_MIN LDBL_MIN
1595# endif
1596# ifdef LDBL_MAX
1597# define NV_MAX LDBL_MAX
1598# endif
1599# ifdef LDBL_MIN_10_EXP
1600# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1601# endif
1602# ifdef LDBL_MAX_10_EXP
1603# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1604# endif
1605# ifdef LDBL_EPSILON
1606# define NV_EPSILON LDBL_EPSILON
1607# endif
f4a14a62
JH		 1608# ifdef LDBL_MAX
1609# define NV_MAX LDBL_MAX
20f6aaab 1610/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1611# else
1612# ifdef HUGE_VALL
1613# define NV_MAX HUGE_VALL
1614# else
1615# ifdef HUGE_VAL
1616# define NV_MAX ((NV)HUGE_VAL)
1617# endif
1618# endif
1619# endif
68d4903c 1620# ifdef HAS_SQRTL
68d4903c
JH		 1621# define Perl_cos cosl
1622# define Perl_sin sinl
1623# define Perl_sqrt sqrtl
1624# define Perl_exp expl
1625# define Perl_log logl
1626# define Perl_atan2 atan2l
1627# define Perl_pow powl
1628# define Perl_floor floorl
1bbae031 1629# define Perl_ceil ceill
68d4903c
JH		 1630# define Perl_fmod fmodl
1631# endif
a3540c92
JH		 1632/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1633# ifdef HAS_MODFL
1634# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1635/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1636 prototype in <math.h> */
1637# ifndef HAS_MODFL_PROTO
a221a8a5 1638EXTERN_C long double modfl(long double, long double *);
51997bc3 1639# endif
03476e8e
JH		 1640# else
1641# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1642 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1643# define Perl_modf(x,y) Perl_my_modfl(x,y)
1644# endif
a3540c92
JH		 1645# endif
1646# ifdef HAS_FREXPL
dff3e0b8 1647# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1648# else
1649# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1650 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1651# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1652# endif
a3540c92 1653# endif
38dbb4c5 1654# ifndef Perl_isnan
758a5d79
JH		 1655# ifdef HAS_ISNANL
1656# define Perl_isnan(x) isnanl(x)
1657# endif
1658# endif
1659# ifndef Perl_isinf
1660# ifdef HAS_FINITEL
1661# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1662# endif
1663# endif
65202027 1664#else
2d4389e4 1665# define NV_DIG DBL_DIG
d6c14000
JH		 1666# ifdef DBL_MANT_DIG
1667# define NV_MANT_DIG DBL_MANT_DIG
1668# endif
06fc1729
JH		 1669# ifdef DBL_MIN
1670# define NV_MIN DBL_MIN
1671# endif
1672# ifdef DBL_MAX
1673# define NV_MAX DBL_MAX
1674# endif
1675# ifdef DBL_MIN_10_EXP
1676# define NV_MIN_10_EXP DBL_MIN_10_EXP
1677# endif
1678# ifdef DBL_MAX_10_EXP
1679# define NV_MAX_10_EXP DBL_MAX_10_EXP
1680# endif
1681# ifdef DBL_EPSILON
1682# define NV_EPSILON DBL_EPSILON
1683# endif
205f51d8 1684# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1685# define NV_MAX DBL_MAX
1686# define NV_MIN DBL_MIN
1687# else
1688# ifdef HUGE_VAL
1689# define NV_MAX HUGE_VAL
1690# endif
1691# endif
65202027
DS		 1692# define Perl_cos cos
1693# define Perl_sin sin
1694# define Perl_sqrt sqrt
1695# define Perl_exp exp
1696# define Perl_log log
1697# define Perl_atan2 atan2
1698# define Perl_pow pow
1699# define Perl_floor floor
1bbae031 1700# define Perl_ceil ceil
65202027 1701# define Perl_fmod fmod
a3540c92 1702# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1703# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1704#endif
1705
1706/* rumor has it that Win32 has _fpclass() */
1707
205f51d8
AS		 1708/* SGI has fpclassl... but not with the same result values,
1709 * and it's via a typedef (not via #define), so will need to redo Configure
1710 * to use. Not worth the trouble, IMO, at least until the below is used
1711 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1712 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1713 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1714
758a5d79
JH		 1715#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1716# ifdef I_IEEFP
1717# include <ieeefp.h>
1718# endif
1719# ifdef I_FP
1720# include <fp.h>
1721# endif
1722# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1723# define Perl_fp_class() fpclassl(x)
1724# else
1725# define Perl_fp_class() fpclass(x)
1726# endif
1727# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1728# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1729# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1730# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1731# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1732# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1733# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1734# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1735# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1736# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1737# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1738# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1739# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1740# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1741# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1742#endif
1743
7114a2d2 1744#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1745# include <math.h>
1746# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1747# include <fp_class.h>
1748# endif
1749# define Perl_fp_class(x) fp_class(x)
1750# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1751# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1752# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1753# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1754# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1755# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1756# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1757# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1758# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1759# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1760# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1761# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1762# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1763# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1764# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1765#endif
1766
1767#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1768# include <math.h>
1769# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1770# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1771# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1772# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1773# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1774# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1775#endif
1776
1777#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1778# include <math.h>
1779# ifndef _cplusplus
1780# define Perl_fp_class(x) class(x)
1781# else
1782# define Perl_fp_class(x) _class(x)
1783# endif
1784# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1785# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1786# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1787# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1788# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1789# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1790# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1791# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1792# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1793# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1794# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1795# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1796# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1797# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1798# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1799#endif
1800
1801/* rumor has it that Win32 has _isnan() */
1802
1803#ifndef Perl_isnan
a3540c92 1804# ifdef HAS_ISNAN
758a5d79
JH		 1805# define Perl_isnan(x) isnan((NV)x)
1806# else
1807# ifdef Perl_fp_class_nan
1808# define Perl_isnan(x) Perl_fp_class_nan(x)
1809# else
1810# ifdef HAS_UNORDERED
1811# define Perl_isnan(x) unordered((x), 0.0)
1812# else
1813# define Perl_isnan(x) ((x)!=(x))
1814# endif
1815# endif
1816# endif
1817#endif
1818
ca6c63e1
JH		 1819#ifdef UNDER_CE
1820int isnan(double d);
1821#endif
1822
758a5d79
JH		 1823#ifndef Perl_isinf
1824# ifdef HAS_ISINF
1825# define Perl_isinf(x) isinf((NV)x)
a3540c92 1826# else
758a5d79
JH		 1827# ifdef Perl_fp_class_inf
1828# define Perl_isinf(x) Perl_fp_class_inf(x)
1829# else
1830# define Perl_isinf(x) ((x)==NV_INF)
1831# endif
1832# endif
1833#endif
1834
1835#ifndef Perl_isfinite
1836# ifdef HAS_FINITE
1837# define Perl_isfinite(x) finite((NV)x)
1838# else
1839# ifdef HAS_ISFINITE
1840# define Perl_isfinite(x) isfinite(x)
1841# else
1842# ifdef Perl_fp_class_finite
1843# define Perl_isfinite(x) Perl_fp_class_finite(x)
1844# else
1845# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1846# endif
1847# endif
a3540c92 1848# endif
65202027
DS		 1849#endif
1850
a36244b7
JH		 1851/* The default is to use Perl's own atof() implementation (in numeric.c).
1852 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1853 * it is however best to use the native implementation of atof.
1854 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1855 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1856 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1857 * you may need to be using a different function than atof! */
a36244b7
JH		 1858
1859#ifndef USE_PERL_ATOF
1860# ifndef _UNICOS
1861# define USE_PERL_ATOF
1862# endif
1863#else
1864# if USE_PERL_ATOF == 0
1865# undef USE_PERL_ATOF
1866# endif
1867#endif
1868
1869#ifdef USE_PERL_ATOF
1870# define Perl_atof(s) Perl_my_atof(s)
1871# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1872#else
1873# define Perl_atof(s) (NV)atof(s)
1874# define Perl_atof2(s, n) ((n) = atof(s))
1875#endif
cf2093f6 1876
d460ef45 1877/* Previously these definitions used hardcoded figures.
760ac839
LW		 1878 * It is hoped these formula are more portable, although
1879 * no data one way or another is presently known to me.
1880 * The "PERL_" names are used because these calculated constants
1881 * do not meet the ANSI requirements for LONG_MAX, etc., which
1882 * need to be constants acceptable to #if - kja
1883 * define PERL_LONG_MAX 2147483647L
1884 * define PERL_LONG_MIN (-LONG_MAX - 1)
1885 * define PERL ULONG_MAX 4294967295L
1886 */
1887
1888#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1889# include <limits.h>
760ac839 1890#endif
205f51d8
AS		 1891/* Included values.h above if necessary; still including limits.h down here,
1892 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1893
99abf803 1894/*
1895 * Try to figure out max and min values for the integral types. THE CORRECT
1896 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1897 * following hacks are used if neither limits.h or values.h provide them:
1898 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1899 * for types < int: (unsigned TYPE)~(unsigned)0
1900 * The argument to ~ must be unsigned so that later signed->unsigned
1901 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1902 * and it must not be smaller than int because ~ does integral promotion.
1903 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1904 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1905 * The latter is a hack which happens to work on some machines but
1906 * does *not* catch any random system, or things like integer types
1907 * with NaN if that is possible.
1908 *
1909 * All of the types are explicitly cast to prevent accidental loss of
1910 * numeric range, and in the hope that they will be less likely to confuse
1911 * over-eager optimizers.
1912 *
1913 */
27d4fb96 1914
99abf803 1915#define PERL_UCHAR_MIN ((unsigned char)0)
1916
1917#ifdef UCHAR_MAX
1918# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1919#else
99abf803 1920# ifdef MAXUCHAR
1921# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1922# else
99abf803 1923# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1924# endif
1925#endif
d460ef45 1926
99abf803 1927/*
1928 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1929 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1930 * depending on local options. Until Configure detects this (or at least
1931 * detects whether the "signed" keyword is available) the CHAR ranges
1932 * will not be included. UCHAR functions normally.
1933 * - kja
1934 */
27d4fb96 1935
99abf803 1936#define PERL_USHORT_MIN ((unsigned short)0)
1937
1938#ifdef USHORT_MAX
1939# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1940#else
99abf803 1941# ifdef MAXUSHORT
1942# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1943# else
ef2f54b0
CB		 1944# ifdef USHRT_MAX
1945# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1946# else
1947# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1948# endif
27d4fb96 1949# endif
1950#endif
1951
27d4fb96 1952#ifdef SHORT_MAX
99abf803 1953# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1954#else
1955# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1956# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1957# else
ef2f54b0
CB		 1958# ifdef SHRT_MAX
1959# define PERL_SHORT_MAX ((short)SHRT_MAX)
1960# else
1961# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1962# endif
27d4fb96 1963# endif
1964#endif
1965
1966#ifdef SHORT_MIN
99abf803 1967# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1968#else
1969# ifdef MINSHORT
99abf803 1970# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1971# else
ef2f54b0
CB		 1972# ifdef SHRT_MIN
1973# define PERL_SHORT_MIN ((short)SHRT_MIN)
1974# else
1975# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1976# endif
27d4fb96 1977# endif
1978#endif
1979
99abf803 1980#ifdef UINT_MAX
1981# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1982#else
99abf803 1983# ifdef MAXUINT
1984# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1985# else
99abf803 1986# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1987# endif
1988#endif
1989
99abf803 1990#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1991
1992#ifdef INT_MAX
99abf803 1993# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1994#else
1995# ifdef MAXINT /* Often used in <values.h> */
99abf803 1996# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1997# else
99abf803 1998# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1999# endif
2000#endif
2001
2002#ifdef INT_MIN
99abf803 2003# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2004#else
2005# ifdef MININT
99abf803 2006# define PERL_INT_MIN ((int)MININT)
27d4fb96 2007# else
2008# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2009# endif
2010#endif
2011
99abf803 2012#ifdef ULONG_MAX
2013# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2014#else
99abf803 2015# ifdef MAXULONG
2016# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2017# else
99abf803 2018# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2019# endif
2020#endif
2021
99abf803 2022#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2023
760ac839 2024#ifdef LONG_MAX
99abf803 2025# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2026#else
2027# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2028# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2029# else
99abf803 2030# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2031# endif
2032#endif
2033
2034#ifdef LONG_MIN
99abf803 2035# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2036#else
2037# ifdef MINLONG
99abf803 2038# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2039# else
27d4fb96 2040# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2041# endif
2042#endif
2043
d7d93a81 2044#ifdef UV_IS_QUAD
99abf803 2045
99abf803 2046# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2047# define PERL_UQUAD_MIN ((UV)0)
99abf803 2048# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2049# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2050
79072805
LW		 2051#endif
2052
22f7c9c9
JH		 2053#ifdef MYMALLOC
2054# include "malloc_ctl.h"
2055#endif
2056
830247a4 2057struct RExC_state_t;
880b20b6 2058
ee0007ab 2059typedef MEM_SIZE STRLEN;
450a55e4 2060
79072805
LW		 2061typedef struct op OP;
2062typedef struct cop COP;
2063typedef struct unop UNOP;
2064typedef struct binop BINOP;
2065typedef struct listop LISTOP;
2066typedef struct logop LOGOP;
79072805
LW		 2067typedef struct pmop PMOP;
2068typedef struct svop SVOP;
7934575e 2069typedef struct padop PADOP;
79072805 2070typedef struct pvop PVOP;
79072805
LW		 2071typedef struct loop LOOP;
2072
93a17b20 2073typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2074
2075/* Amdahl's <ksync.h> has struct sv */
2076/* SGI's <sys/sema.h> has struct sv */
2077#if defined(UTS) || defined(__sgi)
2078# define STRUCT_SV perl_sv
b8d3c5db
JH		 2079#else
2080# define STRUCT_SV sv
2081#endif
2082typedef struct STRUCT_SV SV;
79072805
LW		 2083typedef struct av AV;
2084typedef struct hv HV;
2085typedef struct cv CV;
378cc40b 2086typedef struct regexp REGEXP;
79072805 2087typedef struct gp GP;
0c30d9ec 2088typedef struct gv GV;
8990e307 2089typedef struct io IO;
c09156bb 2090typedef struct context PERL_CONTEXT;
79072805
LW		 2091typedef struct block BLOCK;
2092
2093typedef struct magic MAGIC;
ed6116ce 2094typedef struct xrv XRV;
79072805
LW		 2095typedef struct xpv XPV;
2096typedef struct xpviv XPVIV;
ff68c719 2097typedef struct xpvuv XPVUV;
79072805
LW		 2098typedef struct xpvnv XPVNV;
2099typedef struct xpvmg XPVMG;
2100typedef struct xpvlv XPVLV;
2101typedef struct xpvav XPVAV;
2102typedef struct xpvhv XPVHV;
2103typedef struct xpvgv XPVGV;
2104typedef struct xpvcv XPVCV;
2105typedef struct xpvbm XPVBM;
2106typedef struct xpvfm XPVFM;
8990e307 2107typedef struct xpvio XPVIO;
79072805
LW		 2108typedef struct mgvtbl MGVTBL;
2109typedef union any ANY;
5f7fde29
GS		 2110typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2111typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2112typedef struct clone_params CLONE_PARAMS;
2113
378cc40b 2114#include "handy.h"
a0d0e21e 2115
6b8eaf93 2116#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2117# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2118# define USE_64_BIT_RAWIO /* implicit */
2119# endif
4564133c
JH		 2120#endif
2121
6b8eaf93
JH		 2122/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2123 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2124 * however, because operating systems like to do that themself. */
2125#ifndef FSEEKSIZE
2126# ifdef HAS_FSEEKO
2127# define FSEEKSIZE LSEEKSIZE
2128# else
2129# define FSEEKSIZE LONGSIZE
d460ef45 2130# endif
6b8eaf93
JH		 2131#endif
2132
2133#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2134# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2135# define USE_64_BIT_STDIO /* implicit */
2136# endif
2137#endif
4564133c 2138
09458382 2139#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2140# ifdef HAS_OFF64_T
2141# undef Off_t
2142# define Off_t off64_t
2143# undef LSEEKSIZE
2144# define LSEEKSIZE 8
5ff3f7a4 2145# endif
d9b3e12d
JH		 2146/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2147 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2148 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2149# if defined(USE_OPEN64)
2150# define open open64
5ff3f7a4 2151# endif
d9b3e12d
JH		 2152# if defined(USE_LSEEK64)
2153# define lseek lseek64
6b8eaf93
JH		 2154# else
2155# if defined(USE_LLSEEK)
2156# define lseek llseek
2157# endif
d9b3e12d
JH		 2158# endif
2159# if defined(USE_STAT64)
2160# define stat stat64
2161# endif
2162# if defined(USE_FSTAT64)
2163# define fstat fstat64
2164# endif
2165# if defined(USE_LSTAT64)
2166# define lstat lstat64
2167# endif
2168# if defined(USE_FLOCK64)
2169# define flock flock64
2170# endif
2171# if defined(USE_LOCKF64)
2172# define lockf lockf64
2173# endif
2174# if defined(USE_FCNTL64)
2175# define fcntl fcntl64
2176# endif
2177# if defined(USE_TRUNCATE64)
2178# define truncate truncate64
2179# endif
2180# if defined(USE_FTRUNCATE64)
2181# define ftruncate ftruncate64
2182# endif
2183#endif
2184
2185#ifdef USE_64_BIT_STDIO
2186# ifdef HAS_FPOS64_T
2187# undef Fpos_t
2188# define Fpos_t fpos64_t
2189# endif
2190/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2191 * will trigger defines like the ones below. Some 64-bit environments,
2192 * however, do not. */
2193# if defined(USE_FOPEN64)
2194# define fopen fopen64
2195# endif
2196# if defined(USE_FSEEK64)
6b8eaf93 2197# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2198# endif
2199# if defined(USE_FTELL64)
6b8eaf93 2200# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2201# endif
2202# if defined(USE_FSETPOS64)
2203# define fsetpos fsetpos64
2204# endif
2205# if defined(USE_FGETPOS64)
2206# define fgetpos fgetpos64
2207# endif
2208# if defined(USE_TMPFILE64)
2209# define tmpfile tmpfile64
2210# endif
2211# if defined(USE_FREOPEN64)
2212# define freopen freopen64
5ff3f7a4
GS		 2213# endif
2214#endif
2215
af8b425d 2216#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2217# include "iperlsys.h"
2218#endif
2219
6f71a643 2220#if defined(__OPEN_VM)
19848b3f
JH		 2221# include "vmesa/vmesaish.h"
2222# define ISHISH "vmesa"
6f71a643
JH		 2223#endif
2224
748a9306 2225#ifdef DOSISH
19848b3f
JH		 2226# if defined(OS2)
2227# include "os2ish.h"
2228# else
2229# include "dosish.h"
2230# endif
2231# define ISHISH "dos"
2232#endif
2233
2234#if defined(VMS)
748a9306 2235# include "vmsish.h"
96e176bf 2236# include "embed.h"
19848b3f
JH		 2237# define ISHISH "vms"
2238#endif
2239
2240#if defined(PLAN9)
2241# include "./plan9/plan9ish.h"
2242# define ISHISH "plan9"
2243#endif
2244
2245#if defined(MPE)
2246# include "mpeix/mpeixish.h"
2247# define ISHISH "mpeix"
2248#endif
2249
2250#if defined(__VOS__)
196918b0
PG		 2251# ifdef __GNUC__
2252# include "./vos/vosish.h"
2253# else
2254# include "vos/vosish.h"
2255# endif
19848b3f
JH		 2256# define ISHISH "vos"
2257#endif
2258
2259#if defined(EPOC)
2260# include "epocish.h"
2261# define ISHISH "epoc"
2262#endif
2263
27da23d5
JH		 2264#ifdef SYMBIAN
2265# include "symbian/symbianish.h"
2266# include "embed.h"
2267# define ISHISH "symbian"
2268#endif
2269
19848b3f
JH		 2270#if defined(MACOS_TRADITIONAL)
2271# include "macos/macish.h"
2272# ifndef NO_ENVIRON_ARRAY
2273# define NO_ENVIRON_ARRAY
0c30d9ec 2274# endif
19848b3f
JH		 2275# define ISHISH "macos classic"
2276#endif
2277
efca5cc6
JH		 2278#if defined(__BEOS__)
2279# include "beos/beosish.h"
2280# define ISHISH "beos"
2281#endif
2282
19848b3f
JH		 2283#ifndef ISHISH
2284# include "unixish.h"
2285# define ISHISH "unix"
13b6e58c
JH		 2286#endif
2287
2288#ifndef NO_ENVIRON_ARRAY
2289# define USE_ENVIRON_ARRAY
2290#endif
32f822de 2291
c77b533b
JH		 2292/*
2293 * initialise to avoid floating-point exceptions from overflow, etc
2294 */
2295#ifndef PERL_FPU_INIT
2296# ifdef HAS_FPSETMASK
2297# if HAS_FLOATINGPOINT_H
2298# include <floatingpoint.h>
2299# endif
2300# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2301# else
2f42fcb0 2302# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2303# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2304# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2305# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2306# else
2307# define PERL_FPU_INIT
2f42fcb0 2308
7014c407 2309# endif
c77b533b
JH		 2310# endif
2311#endif
b35112e7
CS		 2312#ifndef PERL_FPU_PRE_EXEC
2313# define PERL_FPU_PRE_EXEC {
2314# define PERL_FPU_POST_EXEC }
2315#endif
c77b533b 2316
ed344e4f
IZ		 2317#ifndef PERL_SYS_INIT3
2318# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2319#endif
2320
be708cc0
JH		 2321#ifndef PERL_WRITE_MSG_TO_CONSOLE
2322# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2323#endif
2324
0f31cffe
GS		 2325#ifndef MAXPATHLEN
2326# ifdef PATH_MAX
b990c8b2
JH		 2327# ifdef _POSIX_PATH_MAX
2328# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2329/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2330 * included the null byte or not. Later amendments of POSIX,
2331 * XPG4, the Austin Group, and the Single UNIX Specification
2332 * all explicitly include the null byte in the PATH_MAX.
2333 * Ditto for _POSIX_PATH_MAX. */
2334# define MAXPATHLEN PATH_MAX
b990c8b2 2335# else
09448d78 2336# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2337# endif
2338# else
2339# define MAXPATHLEN (PATH_MAX+1)
2340# endif
0f31cffe 2341# else
b990c8b2 2342# ifdef _POSIX_PATH_MAX
09448d78 2343# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2344# else
2345# define MAXPATHLEN 1024 /* Err on the large side. */
2346# endif
0f31cffe
GS		 2347# endif
2348#endif
2349
3db8f154 2350/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2351 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2352 * this results in many functions being undeclared which bothers C++
2353 * May make sense to have threads after "*ish.h" anyway
2354 */
2355
3db8f154 2356#if defined(USE_ITHREADS)
2986a63f
JH		 2357# ifdef NETWARE
2358# include <nw5thread.h>
2359# else
32f822de
GS		 2360# ifdef FAKE_THREADS
2361# include "fakethr.h"
2362# else
2363# ifdef WIN32
2364# include <win32thread.h>
2365# else
dd96f567
IZ		 2366# ifdef OS2
2367# include "os2thread.h"
2368# else
7f3d1cf1 2369# ifdef I_MACH_CTHREADS
bdd66968 2370# include <mach/cthreads.h>
8f1f23e8 2371# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2372# define MUTEX_INIT_CALLS_MALLOC
2373# endif
7f3d1cf1
BH		 2374typedef cthread_t perl_os_thread;
2375typedef mutex_t perl_mutex;
2376typedef condition_t perl_cond;
2377typedef void * perl_key;
2378# else /* Posix threads */
1f5ae88c
JH		 2379# ifdef I_PTHREAD
2380# include <pthread.h>
2381# endif
7f3d1cf1
BH		 2382typedef pthread_t perl_os_thread;
2383typedef pthread_mutex_t perl_mutex;
2384typedef pthread_cond_t perl_cond;
2385typedef pthread_key_t perl_key;
2386# endif /* I_MACH_CTHREADS */
dd96f567 2387# endif /* OS2 */
32f822de
GS		 2388# endif /* WIN32 */
2389# endif /* FAKE_THREADS */
2986a63f 2390#endif /* NETWARE */
3db8f154 2391#endif /* USE_ITHREADS */
c5be433b 2392
66a93824 2393#if defined(WIN32)
1feb2720 2394# include "win32.h"
c5be433b
GS		 2395#endif
2396
2986a63f
JH		 2397#ifdef NETWARE
2398# include "netware.h"
2399#endif
2400
68dc0745 2401#ifdef VMS
6b88bc9c 2402# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2403# define STATUS_NATIVE_EXPORT \
d98f61e7 2404 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2405# define STATUS_NATIVE_SET(n) \
2406 STMT_START { \
6b88bc9c
GS		 2407 PL_statusvalue_vms = (n); \
2408 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2409 PL_statusvalue = -1; \
6b88bc9c 2410 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2411 PL_statusvalue = 0; \
6b88bc9c
GS		 2412 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2413 PL_statusvalue = 1 << 8; \
68dc0745 2414 else \
6b88bc9c 2415 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2416 } STMT_END
3280af22 2417# define STATUS_POSIX PL_statusvalue
68dc0745 2418# ifdef VMSISH_STATUS
2419# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2420# else
2421# define STATUS_CURRENT STATUS_POSIX
2422# endif
2423# define STATUS_POSIX_SET(n) \
2424 STMT_START { \
3280af22
NIS		 2425 PL_statusvalue = (n); \
2426 if (PL_statusvalue != -1) { \
2427 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2428 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2429 } \
6b88bc9c 2430 else PL_statusvalue_vms = -1; \
68dc0745 2431 } STMT_END
6b88bc9c
GS		 2432# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2433# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2434#else
2435# define STATUS_NATIVE STATUS_POSIX
2436# define STATUS_NATIVE_EXPORT STATUS_POSIX
2437# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2438# define STATUS_POSIX PL_statusvalue
68dc0745 2439# define STATUS_POSIX_SET(n) \
2440 STMT_START { \
3280af22
NIS		 2441 PL_statusvalue = (n); \
2442 if (PL_statusvalue != -1) \
2443 PL_statusvalue &= 0xFFFF; \
68dc0745 2444 } STMT_END
2445# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2446# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2447# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2448#endif
2449
cc3604b1
GS		 2450/* flags in PL_exit_flags for nature of exit() */
2451#define PERL_EXIT_EXPECTED 0x01
31d77e54 2452#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2453
0b94c7bb 2454#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2455# define MEMBER_TO_FPTR(name) name
2456#endif
2457
2458/* format to use for version numbers in file/directory names */
273cf8d1 2459/* XXX move to Configure? */
a7cb1f99 2460#ifndef PERL_FS_VER_FMT
273cf8d1 2461# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2462#endif
2463
45bc9206 2464/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2465 * performance issue, so we allow people to disable it. Also, if
2466 * we are using stdio, there are broken implementations of fflush(NULL)
2467 * out there, Solaris being the most prominent.
45bc9206
GS		 2468 */
2469#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2470# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2471# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2472# else
2473# ifdef FFLUSH_ALL
2474# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2475# else
c5be433b 2476# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2477# endif
66fe083f 2478# endif
45bc9206
GS		 2479#endif
2480
7766f137
GS		 2481#ifndef PERL_WAIT_FOR_CHILDREN
2482# define PERL_WAIT_FOR_CHILDREN NOOP
2483#endif
2484
ba869deb 2485/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2486#ifndef PERL_SET_INTERP
2487# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2488#endif
2489
2490#ifndef PERL_GET_INTERP
2491# define PERL_GET_INTERP (PL_curinterp)
2492#endif
2493
54aff467 2494#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2495# ifdef MULTIPLICITY
ba869deb 2496# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2497# endif
ba869deb
GS		 2498# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2499#endif
2500
894356b3
GS		 2501#ifndef SVf
2502# ifdef CHECK_FORMAT
5df617be 2503# define SVf "-p"
894356b3
GS		 2504# else
2505# define SVf "_"
d460ef45 2506# endif
894356b3
GS		 2507#endif
2508
014ead4b 2509#ifndef SVf_precision
d2560b70 2510# ifdef CHECK_FORMAT
014ead4b 2511# define SVf_precision(n) "-" n "p"
d2560b70 2512# else
014ead4b 2513# define SVf_precision(n) "." n "_"
d460ef45 2514# endif
d2560b70
RB		 2515#endif
2516
014ead4b
RB		 2517#ifndef SVf32
2518# define SVf32 SVf_precision("32")
2519#endif
2520
2521#ifndef SVf256
2522# define SVf256 SVf_precision("256")
2523#endif
2524
2525#ifndef UVf
2526# define UVf UVuf
d2560b70
RB		 2527#endif
2528
5df617be 2529#ifndef DieNull
b3fe4827 2530# ifdef CHECK_FORMAT
3358ade6 2531# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827 2532# else
5df617be 2533# define DieNull Perl_die(aTHX_ Nullch)
b3fe4827
RB		 2534# endif
2535#endif
2536
287c8091
RB		 2537#ifndef __attribute__format__
2538# ifdef CHECK_FORMAT
2539# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2540# else
2541# define __attribute__format__(x,y,z)
2542# endif
2543#endif
2544
3fc1aec6 2545/* Some unistd.h's give a prototype for pause() even though
2546 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2547 below to be rejected by the compiler. Sigh.
3fc1aec6 2548*/
2549#ifdef HAS_PAUSE
2550#define Pause pause
2551#else
2552#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2553#endif
2554
2555#ifndef IOCPARM_LEN
2556# ifdef IOCPARM_MASK
2557 /* on BSDish systes we're safe */
2558# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2559# else
2560 /* otherwise guess at what's safe */
2561# define IOCPARM_LEN(x) 256
2562# endif
a0d0e21e
LW		 2563#endif
2564
1761cee5 2565#if defined(__CYGWIN__)
521e0776
GS		 2566/* USEMYBINMODE
2567 * This symbol, if defined, indicates that the program should
16fe6d59 2568 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2569 * that a file is in "binary" mode -- that is, that no translation
2570 * of bytes occurs on read or write operations.
2571 */
36894f0b 2572# define USEMYBINMODE /**/
77a40698 2573# include <io.h> /* for setmode() prototype */
16fe6d59 2574# define my_binmode(fp, iotype, mode) \
77a40698 2575 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2576#endif
2577
88d10794
JH		 2578#ifdef __CYGWIN__
2579void init_os_extras(void);
2580#endif
2581
cea2e8a9
GS		 2582#ifdef UNION_ANY_DEFINITION
2583UNION_ANY_DEFINITION;
2584#else
2585union any {
2586 void* any_ptr;
2587 I32 any_i32;
2588 IV any_iv;
2589 long any_long;
9febdf04 2590 bool any_bool;
c76ac1ee 2591 void (*any_dptr) (void*);
acfe0abc 2592 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2593};
2594#endif
2595
acfe0abc 2596typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2597
2598#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2599#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2600#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2601
c5078cac
JH		 2602#if defined(_AIX) && !defined(_AIX43)
2603#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2604/* We cannot include <crypt.h> to get the struct crypt_data
2605 * because of setkey prototype problems when threading */
2606typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2607 /* From OSF, Not needed in AIX
2608 char C[28], D[28];
2609 */
2610 char E[48];
2611 char KS[16][48];
2612 char block[66];
2613 char iobuf[16];
2614} CRYPTD;
2615#endif /* threading */
2616#endif /* AIX */
2617
af8b425d 2618#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2619# include "iperlsys.h"
2620#endif
504f80c1 2621
d10dc2ae
JH		 2622/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2623 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2624 * defined by Configure, despite their names being similar to the
2625 * other defines like USE_ITHREADS. Configure in fact knows nothing
2626 * about the randomised hashes. Therefore to enable/disable the hash
2627 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2628#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2629# define USE_HASH_SEED
504f80c1
JH		 2630#endif
2631
378cc40b 2632#include "regexp.h"
79072805 2633#include "sv.h"
378cc40b 2634#include "util.h"
8d063cd8 2635#include "form.h"
79072805 2636#include "gv.h"
dd2155a4 2637#include "pad.h"
79072805 2638#include "cv.h"
abdd5c84 2639#include "opnames.h"
79072805
LW		 2640#include "op.h"
2641#include "cop.h"
2642#include "av.h"
2643#include "hv.h"
2644#include "mg.h"
2645#include "scope.h"
4438c4b7 2646#include "warnings.h"
a0ed51b3 2647#include "utf8.h"
8d063cd8 2648
7fae4e64
GS		 2649/* Current curly descriptor */
2650typedef struct curcur CURCUR;
2651struct curcur {
2652 int parenfloor; /* how far back to strip paren data */
2653 int cur; /* how many instances of scan we've matched */
2654 int min; /* the minimal number of scans to match */
2655 int max; /* the maximal number of scans to match */
2656 int minmod; /* whether to work our way up or down */
2657 regnode * scan; /* the thing to match */
2658 regnode * next; /* what has to match after it */
2659 char * lastloc; /* where we started matching this scan */
2660 CURCUR * oldcc; /* current curly before we started this one */
2661};
2662
2663typedef struct _sublex_info SUBLEXINFO;
2664struct _sublex_info {
2665 I32 super_state; /* lexer state to save */
2666 I32 sub_inwhat; /* "lex_inwhat" to use */
2667 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2668 char *super_bufptr; /* PL_bufptr that was */
2669 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2670};
2671
455ece5e 2672typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2673
2c2d71f5 2674struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2675struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2676
2677typedef I32 CHECKPOINT;
76e3520e 2678
5f7fde29
GS		 2679struct ptr_tbl_ent {
2680 struct ptr_tbl_ent* next;
2681 void* oldval;
2682 void* newval;
d18c6117
GS		 2683};
2684
5f7fde29
GS		 2685struct ptr_tbl {
2686 struct ptr_tbl_ent** tbl_ary;
2687 UV tbl_max;
2688 UV tbl_items;
d18c6117
GS		 2689};
2690
450a55e4 2691#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2692# define I286
2693#endif
2694
fe14fcc3
LW		 2695#if defined(htonl) && !defined(HAS_HTONL)
2696#define HAS_HTONL
ae986130 2697#endif
fe14fcc3
LW		 2698#if defined(htons) && !defined(HAS_HTONS)
2699#define HAS_HTONS
ae986130 2700#endif
fe14fcc3
LW		 2701#if defined(ntohl) && !defined(HAS_NTOHL)
2702#define HAS_NTOHL
ae986130 2703#endif
fe14fcc3
LW		 2704#if defined(ntohs) && !defined(HAS_NTOHS)
2705#define HAS_NTOHS
ae986130 2706#endif
fe14fcc3 2707#ifndef HAS_HTONL
d9d8d8de 2708#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2709#define HAS_HTONS
2710#define HAS_HTONL
2711#define HAS_NTOHS
2712#define HAS_NTOHL
a687059c
LW		 2713#define MYSWAP
2714#define htons my_swap
2715#define htonl my_htonl
2716#define ntohs my_swap
2717#define ntohl my_ntohl
2718#endif
2719#else
d9d8d8de 2720#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2721#undef HAS_HTONS
2722#undef HAS_HTONL
2723#undef HAS_NTOHS
2724#undef HAS_NTOHL
a687059c
LW		 2725#endif
2726#endif
2727
988174c1
LW		 2728/*
2729 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2730 * -DWS
2731 */
2732#if BYTEORDER != 0x1234
2733# define HAS_VTOHL
2734# define HAS_VTOHS
2735# define HAS_HTOVL
2736# define HAS_HTOVS
c67712b2 2737# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2738# define vtohl(x) ((((x)&0xFF)<<24) \
2739 +(((x)>>24)&0xFF) \
2740 +(((x)&0x0000FF00)<<8) \
2741 +(((x)&0x00FF0000)>>8) )
2742# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2743# define htovl(x) vtohl(x)
2744# define htovs(x) vtohs(x)
2745# endif
2746 /* otherwise default to functions in util.c */
2a8c3029 2747#ifndef htovs
c623ac67
GS		 2748short htovs(short n);
2749short vtohs(short n);
2750long htovl(long n);
2751long vtohl(long n);
988174c1 2752#endif
2a8c3029 2753#endif
988174c1 2754
3bb7c1b4
JH		 2755/* *MAX Plus 1. A floating point value.
2756 Hopefully expressed in a way that dodgy floating point can't mess up.
2757 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2758 is added to it
2759 May find that some broken compiler will want the value cast to I32.
2760 [after the shift, as signed >> may not be as secure as unsigned >>]
2761*/
2762#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2763#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2764/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2765 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2766 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2767*/
2768#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2769
3bb7c1b4
JH		 2770#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2771#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2772#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2773
2774/* This may look like unnecessary jumping through hoops, but converting
2775 out of range floating point values to integers *is* undefined behaviour,
2776 and it is starting to bite.
2777*/
2778#ifndef CAST_INLINE
65202027 2779#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2780#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2781#define I_V(what) (cast_iv((NV)(what)))
2782#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2783#else
2784#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2785 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2786 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2787#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2788 : ((n) < U32_MAX_P1 ? (U32) (n) \
2789 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2790#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2791 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2792 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2793#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2794 : ((n) < UV_MAX_P1 ? (UV) (n) \
2795 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2796#endif
2797
2798#define U_S(what) ((U16)U_32(what))
2799#define U_I(what) ((unsigned int)U_32(what))
2800#define U_L(what) U_32(what)
ed6116ce 2801
2d4389e4
JH		 2802/* These do not care about the fractional part, only about the range. */
2803#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2804#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2805
25da4f38
IZ		 2806/* Used with UV/IV arguments: */
2807 /* XXXX: need to speed it up */
2808#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2809#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2810
352d5a3a
LW		 2811#ifndef MAXSYSFD
2812# define MAXSYSFD 2
2813#endif
ee0007ab 2814
79072805 2815#ifndef __cplusplus
27da23d5 2816#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 2817Uid_t getuid (void);
2818Uid_t geteuid (void);
2819Gid_t getgid (void);
2820Gid_t getegid (void);
79072805 2821#endif
e1caacb4 2822#endif
8d063cd8 2823
0c30d9ec 2824#ifndef Perl_debug_log
bf49b057
GS		 2825# define Perl_debug_log PerlIO_stderr()
2826#endif
2827
2828#ifndef Perl_error_log
2829# define Perl_error_log (PL_stderrgv \
6b78add2 2830 && isGV(PL_stderrgv) \
01bb7c6d 2831 && GvIOp(PL_stderrgv) \
42de951c 2832 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2833 ? IoOFP(GvIOp(PL_stderrgv)) \
2834 : PerlIO_stderr())
0c30d9ec 2835#endif
3967c732 2836
aea4f609
DM		 2837
2838#define DEBUG_p_FLAG 0x00000001 /* 1 */
2839#define DEBUG_s_FLAG 0x00000002 /* 2 */
2840#define DEBUG_l_FLAG 0x00000004 /* 4 */
2841#define DEBUG_t_FLAG 0x00000008 /* 8 */
2842#define DEBUG_o_FLAG 0x00000010 /* 16 */
2843#define DEBUG_c_FLAG 0x00000020 /* 32 */
2844#define DEBUG_P_FLAG 0x00000040 /* 64 */
2845#define DEBUG_m_FLAG 0x00000080 /* 128 */
2846#define DEBUG_f_FLAG 0x00000100 /* 256 */
2847#define DEBUG_r_FLAG 0x00000200 /* 512 */
2848#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2849#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 2850 /* spare */
aea4f609
DM		 2851#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2852#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2853#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2854#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2855#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2856#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2857#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2858#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2859#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 2860#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 2861#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 2862#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 2863
2864#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2865#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2866 that something was done? */
aea4f609 2867
bd16a5f0
IZ		 2868# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2869# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2870# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2871# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2872# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2873# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2874# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2875# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2876# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2877# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2878# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2879# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2880# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2881# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2882# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2883# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2884# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2885# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2886# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2887# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2888# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 2889# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
2890# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 2891# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2892
3967c732 2893#ifdef DEBUGGING
aea4f609 2894
bd16a5f0
IZ		 2895# define DEBUG_p_TEST DEBUG_p_TEST_
2896# define DEBUG_s_TEST DEBUG_s_TEST_
2897# define DEBUG_l_TEST DEBUG_l_TEST_
2898# define DEBUG_t_TEST DEBUG_t_TEST_
2899# define DEBUG_o_TEST DEBUG_o_TEST_
2900# define DEBUG_c_TEST DEBUG_c_TEST_
2901# define DEBUG_P_TEST DEBUG_P_TEST_
2902# define DEBUG_m_TEST DEBUG_m_TEST_
2903# define DEBUG_f_TEST DEBUG_f_TEST_
2904# define DEBUG_r_TEST DEBUG_r_TEST_
2905# define DEBUG_x_TEST DEBUG_x_TEST_
2906# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2907# define DEBUG_H_TEST DEBUG_H_TEST_
2908# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2909# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2910# define DEBUG_D_TEST DEBUG_D_TEST_
2911# define DEBUG_S_TEST DEBUG_S_TEST_
2912# define DEBUG_T_TEST DEBUG_T_TEST_
2913# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2914# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2915# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2916# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 2917# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 2918# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 2919
488b0c7a
JH		 2920# define PERL_DEB(a) a
2921# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2922# define DEBUG_p(a) if (DEBUG_p_TEST) a
2923# define DEBUG_s(a) if (DEBUG_s_TEST) a
2924# define DEBUG_l(a) if (DEBUG_l_TEST) a
2925# define DEBUG_t(a) if (DEBUG_t_TEST) a
2926# define DEBUG_o(a) if (DEBUG_o_TEST) a
2927# define DEBUG_c(a) if (DEBUG_c_TEST) a
2928# define DEBUG_P(a) if (DEBUG_P_TEST) a
2929
969058bb
VK		 2930 /* Temporarily turn off memory debugging in case the a
2931 * does memory allocation, either directly or indirectly. */
acfe0abc 2932# define DEBUG_m(a) \
0b250b9e 2933 STMT_START { \
aea4f609 2934 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2935 } STMT_END
aea4f609 2936
5f80b19c
AMS		 2937# define DEBUG__(t, a) \
2938 STMT_START { \
2939 if (t) STMT_START {a;} STMT_END; \
2940 } STMT_END
2941
2942# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2943# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2944# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2945# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2946# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2947# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2948# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2949# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2950
3db8f154 2951# define DEBUG_S(a)
aea4f609 2952
5f80b19c
AMS		 2953# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2954# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2955# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2956# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 2957# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
2958# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 2959
2960#else /* DEBUGGING */
2961
2962# define DEBUG_p_TEST (0)
2963# define DEBUG_s_TEST (0)
2964# define DEBUG_l_TEST (0)
2965# define DEBUG_t_TEST (0)
2966# define DEBUG_o_TEST (0)
2967# define DEBUG_c_TEST (0)
2968# define DEBUG_P_TEST (0)
2969# define DEBUG_m_TEST (0)
2970# define DEBUG_f_TEST (0)
2971# define DEBUG_r_TEST (0)
2972# define DEBUG_x_TEST (0)
2973# define DEBUG_u_TEST (0)
aea4f609
DM		 2974# define DEBUG_H_TEST (0)
2975# define DEBUG_X_TEST (0)
dd2155a4 2976# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2977# define DEBUG_D_TEST (0)
2978# define DEBUG_S_TEST (0)
2979# define DEBUG_T_TEST (0)
04932ac8 2980# define DEBUG_R_TEST (0)
1045810a 2981# define DEBUG_J_TEST (0)
d6721266 2982# define DEBUG_v_TEST (0)
46187eeb 2983# define DEBUG_C_TEST (0)
ecae49c0
NC		 2984# define DEBUG_A_TEST (0)
2985# define DEBUG_q_TEST (0)
aea4f609 2986
488b0c7a
JH		 2987# define PERL_DEB(a)
2988# define PERL_DEBUG(a)
aea4f609
DM		 2989# define DEBUG_p(a)
2990# define DEBUG_s(a)
2991# define DEBUG_l(a)
2992# define DEBUG_t(a)
2993# define DEBUG_o(a)
2994# define DEBUG_c(a)
2995# define DEBUG_P(a)
2996# define DEBUG_m(a)
2997# define DEBUG_f(a)
2998# define DEBUG_r(a)
2999# define DEBUG_x(a)
3000# define DEBUG_u(a)
aea4f609
DM		 3001# define DEBUG_H(a)
3002# define DEBUG_X(a)
dd2155a4 3003# define DEBUG_Xv(a)
aea4f609
DM		 3004# define DEBUG_D(a)
3005# define DEBUG_S(a)
3006# define DEBUG_T(a)
04932ac8 3007# define DEBUG_R(a)
d6721266 3008# define DEBUG_v(a)
46187eeb 3009# define DEBUG_C(a)
ecae49c0
NC		 3010# define DEBUG_A(a)
3011# define DEBUG_q(a)
aea4f609
DM		 3012#endif /* DEBUGGING */
3013
3014
b4ab917c
DM		 3015#define DEBUG_SCOPE(where) \
3016 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3017 where, PL_scopestack_ix, __FILE__, __LINE__)));
3018
3019
3020
3021
d1be9408 3022/* These constants should be used in preference to raw characters
14befaf4
DM		 3023 * when using magic. Note that some perl guts still assume
3024 * certain character properties of these constants, namely that
3025 * isUPPER() and toLOWER() may do useful mappings.
3026 *
3027 * Update the magic_names table in dump.c when adding/amending these
3028 */
3029
3030#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3031#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3032#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3033#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3034#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3035#define PERL_MAGIC_regdata 'D' /* Regex match position data
3036 (@+ and @- vars) */
3037#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3038#define PERL_MAGIC_env 'E' /* %ENV hash */
3039#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3040#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3041#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3042#define PERL_MAGIC_isa 'I' /* @ISA array */
3043#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3044#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3045#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3046#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3047#define PERL_MAGIC_mutex 'm' /* for lock op */
3048#define PERL_MAGIC_shared 'N' /* Shared between threads */
3049#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3050#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3051#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3052#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3053#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3054#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3055#define PERL_MAGIC_sig 'S' /* %SIG hash */
3056#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3057#define PERL_MAGIC_taint 't' /* Taintedness */
3058#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3059#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3060#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3061#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3062#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3063#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3064#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3065 smart parameter vivification */
3066#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3067#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3068#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3069#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 3070#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3071
3072
a6e633de 3073#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3074#define assert(what) PERL_DEB( \
3075 ((what) ? ((void) 0) : \
3076 (Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
3077 __FILE__, __LINE__), \
3078 PerlProc_exit(1), \
3079 (void) 0)))
a446a88f 3080#endif
8d063cd8 3081
450a55e4 3082struct ufuncs {
24f81a43
DM		 3083 I32 (*uf_val)(pTHX_ IV, SV*);
3084 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3085 IV uf_index;
450a55e4
LW		 3086};
3087
14befaf4 3088/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3089 * XS code wanting to be backward compatible can do something
3090 * like the following:
c745e42c 3091
24f81a43 3092#ifndef PERL_MG_UFUNC
24f81a43
DM		 3093#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3094#endif
3095
3096static PERL_MG_UFUNC(foo_get, index, val)
3097{
3098 sv_setsv(val, ...);
3099 return TRUE;
3100}
3101
3102-- Doug MacEachern
3103
3104*/
3105
fc9c74e6 3106#ifndef PERL_MG_UFUNC
24f81a43 3107#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3108#endif
24f81a43 3109
fe14fcc3 3110/* Fix these up for __STDC__ */
68dc0745 3111#ifndef DONT_DECLARE_STD
20ce7b12 3112char *mktemp (char*);
37bd1396 3113#ifndef atof
20ce7b12 3114double atof (const char*);
a0d0e21e 3115#endif
37bd1396 3116#endif
79072805 3117
352d5a3a 3118#ifndef STANDARD_C
fe14fcc3 3119/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3120Time_t time();
8d063cd8 3121struct tm *gmtime(), *localtime();
092bebab 3122#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3123char *(strchr)(), *(strrchr)();
3124char *(strcpy)(), *(strcat)();
3125#else
93a17b20 3126char *strchr(), *strrchr();
378cc40b 3127char *strcpy(), *strcat();
9d116dd7 3128#endif
352d5a3a 3129#endif /* ! STANDARD_C */
8d063cd8 3130
79072805
LW		 3131
3132#ifdef I_MATH
3133# include <math.h>
3134#else
32f822de 3135START_EXTERN_C
20ce7b12
GS		 3136 double exp (double);
3137 double log (double);
3138 double log10 (double);
3139 double sqrt (double);
3140 double frexp (double,int*);
3141 double ldexp (double,int);
3142 double modf (double,double*);
3143 double sin (double);
3144 double cos (double);
3145 double atan2 (double,double);
3146 double pow (double,double);
32f822de 3147END_EXTERN_C
79072805
LW		 3148#endif
3149
aa8b85de
JH		 3150#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3151# define NV_INF LDBL_INFINITY
3152#endif
3153#if !defined(NV_INF) && defined(DBL_INFINITY)
3154# define NV_INF (NV)DBL_INFINITY
3155#endif
3156#if !defined(NV_INF) && defined(INFINITY)
3157# define NV_INF (NV)INFINITY
3158#endif
3159#if !defined(NV_INF) && defined(INF)
3160# define NV_INF (NV)INF
3161#endif
3162#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3163# define NV_INF (NV)HUGE_VALL
3164#endif
3165#if !defined(NV_INF) && defined(HUGE_VAL)
3166# define NV_INF (NV)HUGE_VAL
3167#endif
3168
3169#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3170# if !defined(NV_NAN) && defined(LDBL_NAN)
3171# define NV_NAN LDBL_NAN
3172# endif
3173# if !defined(NV_NAN) && defined(LDBL_QNAN)
3174# define NV_NAN LDBL_QNAN
3175# endif
3176# if !defined(NV_NAN) && defined(LDBL_SNAN)
3177# define NV_NAN LDBL_SNAN
3178# endif
3179#endif
3180#if !defined(NV_NAN) && defined(DBL_NAN)
3181# define NV_NAN (NV)DBL_NAN
3182#endif
3183#if !defined(NV_NAN) && defined(DBL_QNAN)
3184# define NV_NAN (NV)DBL_QNAN
3185#endif
3186#if !defined(NV_NAN) && defined(DBL_SNAN)
3187# define NV_NAN (NV)DBL_SNAN
3188#endif
3189#if !defined(NV_NAN) && defined(QNAN)
3190# define NV_NAN (NV)QNAN
3191#endif
3192#if !defined(NV_NAN) && defined(SNAN)
3193# define NV_NAN (NV)SNAN
3194#endif
3195#if !defined(NV_NAN) && defined(NAN)
3196# define NV_NAN (NV)NAN
3197#endif
3198
a0d0e21e 3199#ifndef __cplusplus
8f1f23e8 3200# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3201char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3202# else
fd8cd3a3 3203# if !defined(WIN32) && !defined(VMS)
10bc17b6 3204#ifndef crypt
20ce7b12 3205char *crypt (const char*, const char*);
10bc17b6 3206#endif
5014db98 3207# endif /* !WIN32 */
8f1f23e8 3208# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3209# ifndef DONT_DECLARE_STD
3210# ifndef getenv
20ce7b12 3211char *getenv (const char*);
26618a56 3212# endif /* !getenv */
28ca6303 3213# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3214# ifdef _FILE_OFFSET_BITS
28ca6303 3215# if _FILE_OFFSET_BITS == 64
20ce7b12 3216Off_t lseek (int,Off_t,int);
0fc67700
JH		 3217# endif
3218# endif
bf0c440f 3219# endif
26618a56 3220# endif /* !DONT_DECLARE_STD */
10bc17b6 3221#ifndef getlogin
20ce7b12 3222char *getlogin (void);
10bc17b6 3223#endif
26618a56 3224#endif /* !__cplusplus */
79072805 3225
16d20bd9 3226#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3227#define UNLINK unlnk
20ce7b12 3228I32 unlnk (char*);
8d063cd8 3229#else
80252599 3230#define UNLINK PerlLIO_unlink
8d063cd8 3231#endif
a687059c 3232
fa0a29af
JH		 3233/* some versions of glibc are missing the setresuid() proto */
3234#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3235int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3236#endif
fa0a29af
JH		 3237/* some versions of glibc are missing the setresgid() proto */
3238#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3239int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3240#endif
3241
fe14fcc3 3242#ifndef HAS_SETREUID
85e6fe83
LW		 3243# ifdef HAS_SETRESUID
3244# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3245# define HAS_SETREUID
3246# endif
a687059c 3247#endif
fe14fcc3 3248#ifndef HAS_SETREGID
85e6fe83
LW		 3249# ifdef HAS_SETRESGID
3250# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3251# define HAS_SETREGID
3252# endif
a687059c 3253#endif
ee0007ab 3254
d543acb6 3255/* Sighandler_t defined in iperlsys.h */
ff68c719 3256
3257#ifdef HAS_SIGACTION
3258typedef struct sigaction Sigsave_t;
3259#else
3260typedef Sighandler_t Sigsave_t;
3261#endif
3262
ee0007ab
LW		 3263#define SCAN_DEF 0
3264#define SCAN_TR 1
3265#define SCAN_REPL 2
79072805
LW		 3266
3267#ifdef DEBUGGING
4633a7c4 3268# ifndef register
a0d0e21e
LW		 3269# define register
3270# endif
cea2e8a9 3271# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3272#else
cea2e8a9 3273# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3274#endif
3275
18f739ee 3276#ifdef MYMALLOC
772fe5b3 3277# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3278# define MALLOC_INIT \
3279 STMT_START { \
3280 PL_malloc_mutex = NULL; \
3281 MUTEX_INIT(&PL_malloc_mutex); \
3282 } STMT_END
3283# define MALLOC_TERM \
3284 STMT_START { \
3285 perl_mutex tmp = PL_malloc_mutex; \
3286 PL_malloc_mutex = NULL; \
3287 MUTEX_DESTROY(&tmp); \
3288 } STMT_END
3289# else
3290# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3291# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3292# endif
18f739ee
IZ		 3293#else
3294# define MALLOC_INIT
3295# define MALLOC_TERM
3296#endif
3297
b6d9d515 3298
0cb96387 3299typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3300typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3301typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3302typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3303
940cb80d 3304/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3305#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3306
8f1f23e8
W		 3307/* NeXT has problems with crt0.o globals */
3308#if defined(__DYNAMIC__) && \
6239f2da 3309 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3310# if defined(NeXT) || defined(__NeXT)
3311# include <mach-o/dyld.h>
3312# define environ (*environ_pointer)
0c30d9ec 3313EXT char *** environ_pointer;
8f1f23e8 3314# else
6239f2da 3315# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3316# include <crt_externs.h> /* for the env array */
3317# define environ (*_NSGetEnviron())
3318# endif
0c30d9ec 3319# endif
8f1f23e8
W		 3320#else
3321 /* VMS and some other platforms don't use the environ array */
13b6e58c 3322# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3323# if !defined(DONT_DECLARE_STD) || \
3324 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3325 defined(__sgi) || \
d460ef45 3326 defined(__DGUX)
8f1f23e8 3327extern char ** environ; /* environment variables supplied via exec */
a6c40364 3328# endif
8f1f23e8
W		 3329# endif
3330#endif
79072805 3331
73c4f7a1
GS		 3332START_EXTERN_C
3333
79072805 3334/* handy constants */
22c35a8c 3335EXTCONST char PL_warn_uninit[]
29489e7c 3336 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3337EXTCONST char PL_warn_nosemi[]
463ee0b2 3338 INIT("Semicolon seems to be missing");
22c35a8c 3339EXTCONST char PL_warn_reserved[]
463ee0b2 3340 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3341EXTCONST char PL_warn_nl[]
93a17b20 3342 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3343EXTCONST char PL_no_wrongref[]
a0d0e21e 3344 INIT("Can't use %s ref as %s ref");
22c35a8c 3345EXTCONST char PL_no_symref[]
748a9306 3346 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3347EXTCONST char PL_no_symref_sv[]
014ead4b 3348 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3349EXTCONST char PL_no_usym[]
8990e307 3350 INIT("Can't use an undefined value as %s reference");
22c35a8c 3351EXTCONST char PL_no_aelem[]
93a17b20 3352 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3353EXTCONST char PL_no_helem[]
93a17b20 3354 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3355EXTCONST char PL_no_modify[]
93a17b20 3356 INIT("Modification of a read-only value attempted");
22c35a8c 3357EXTCONST char PL_no_mem[]
93a17b20 3358 INIT("Out of memory!\n");
22c35a8c 3359EXTCONST char PL_no_security[]
463ee0b2 3360 INIT("Insecure dependency in %s%s");
22c35a8c 3361EXTCONST char PL_no_sock_func[]
93a17b20 3362 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3363EXTCONST char PL_no_dir_func[]
93a17b20 3364 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3365EXTCONST char PL_no_func[]
93a17b20 3366 INIT("The %s function is unimplemented");
22c35a8c 3367EXTCONST char PL_no_myglob[]
748a9306 3368 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3369EXTCONST char PL_no_localize_ref[]
3370 INIT("Can't localize through a reference");
27d5b266
JH		 3371#ifdef PERL_MALLOC_WRAP
3372EXTCONST char PL_memory_wrap[]
3373 INIT("panic: memory wrap");
3374#endif
93a17b20 3375
7575fa06 3376EXTCONST char PL_uuemap[65]
80252599
GS		 3377 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3378
3379
79072805 3380#ifdef DOINIT
27da23d5
JH		 3381EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3382EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3383#else
27da23d5
JH		 3384EXTCONST char* const PL_sig_name[];
3385EXTCONST int PL_sig_num[];
79072805
LW		 3386#endif
3387
3bd709b1 3388/* fast conversion and case folding tables */
bbce6d69 3389
79072805 3390#ifdef DOINIT
9d116dd7 3391#ifdef EBCDIC
27da23d5 3392EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3393 0, 1, 2, 3, 4, 5, 6, 7,
3394 8, 9, 10, 11, 12, 13, 14, 15,
3395 16, 17, 18, 19, 20, 21, 22, 23,
3396 24, 25, 26, 27, 28, 29, 30, 31,
3397 32, 33, 34, 35, 36, 37, 38, 39,
3398 40, 41, 42, 43, 44, 45, 46, 47,
3399 48, 49, 50, 51, 52, 53, 54, 55,
3400 56, 57, 58, 59, 60, 61, 62, 63,
3401 64, 65, 66, 67, 68, 69, 70, 71,
3402 72, 73, 74, 75, 76, 77, 78, 79,
3403 80, 81, 82, 83, 84, 85, 86, 87,
3404 88, 89, 90, 91, 92, 93, 94, 95,
3405 96, 97, 98, 99, 100, 101, 102, 103,
3406 104, 105, 106, 107, 108, 109, 110, 111,
3407 112, 113, 114, 115, 116, 117, 118, 119,
3408 120, 121, 122, 123, 124, 125, 126, 127,
3409 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3410 'H', 'I', 138, 139, 140, 141, 142, 143,
3411 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3412 'Q', 'R', 154, 155, 156, 157, 158, 159,
3413 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3414 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3415 176, 177, 178, 179, 180, 181, 182, 183,
3416 184, 185, 186, 187, 188, 189, 190, 191,
3417 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3418 'h', 'i', 202, 203, 204, 205, 206, 207,
3419 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3420 'q', 'r', 218, 219, 220, 221, 222, 223,
3421 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3422 'y', 'z', 234, 235, 236, 237, 238, 239,
3423 240, 241, 242, 243, 244, 245, 246, 247,
3424 248, 249, 250, 251, 252, 253, 254, 255
3425};
3426#else /* ascii rather than ebcdic */
22c35a8c 3427EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3428 0, 1, 2, 3, 4, 5, 6, 7,
3429 8, 9, 10, 11, 12, 13, 14, 15,
3430 16, 17, 18, 19, 20, 21, 22, 23,
3431 24, 25, 26, 27, 28, 29, 30, 31,
3432 32, 33, 34, 35, 36, 37, 38, 39,
3433 40, 41, 42, 43, 44, 45, 46, 47,
3434 48, 49, 50, 51, 52, 53, 54, 55,
3435 56, 57, 58, 59, 60, 61, 62, 63,
3436 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3437 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3438 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3439 'x', 'y', 'z', 91, 92, 93, 94, 95,
3440 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3441 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3442 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3443 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3444 128, 129, 130, 131, 132, 133, 134, 135,
3445 136, 137, 138, 139, 140, 141, 142, 143,
3446 144, 145, 146, 147, 148, 149, 150, 151,
3447 152, 153, 154, 155, 156, 157, 158, 159,
3448 160, 161, 162, 163, 164, 165, 166, 167,
3449 168, 169, 170, 171, 172, 173, 174, 175,
3450 176, 177, 178, 179, 180, 181, 182, 183,
3451 184, 185, 186, 187, 188, 189, 190, 191,
3452 192, 193, 194, 195, 196, 197, 198, 199,
3453 200, 201, 202, 203, 204, 205, 206, 207,
3454 208, 209, 210, 211, 212, 213, 214, 215,
3455 216, 217, 218, 219, 220, 221, 222, 223,
3456 224, 225, 226, 227, 228, 229, 230, 231,
3457 232, 233, 234, 235, 236, 237, 238, 239,
3458 240, 241, 242, 243, 244, 245, 246, 247,
3459 248, 249, 250, 251, 252, 253, 254, 255
3460};
9d116dd7 3461#endif /* !EBCDIC */
79072805 3462#else
22c35a8c 3463EXTCONST unsigned char PL_fold[];
79072805
LW		 3464#endif
3465
27da23d5 3466#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3467#ifdef DOINIT
27da23d5 3468EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3469 0, 1, 2, 3, 4, 5, 6, 7,
3470 8, 9, 10, 11, 12, 13, 14, 15,
3471 16, 17, 18, 19, 20, 21, 22, 23,
3472 24, 25, 26, 27, 28, 29, 30, 31,
3473 32, 33, 34, 35, 36, 37, 38, 39,
3474 40, 41, 42, 43, 44, 45, 46, 47,
3475 48, 49, 50, 51, 52, 53, 54, 55,
3476 56, 57, 58, 59, 60, 61, 62, 63,
3477 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3478 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3479 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3480 'x', 'y', 'z', 91, 92, 93, 94, 95,
3481 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3482 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3483 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3484 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3485 128, 129, 130, 131, 132, 133, 134, 135,
3486 136, 137, 138, 139, 140, 141, 142, 143,
3487 144, 145, 146, 147, 148, 149, 150, 151,
3488 152, 153, 154, 155, 156, 157, 158, 159,
3489 160, 161, 162, 163, 164, 165, 166, 167,
3490 168, 169, 170, 171, 172, 173, 174, 175,
3491 176, 177, 178, 179, 180, 181, 182, 183,
3492 184, 185, 186, 187, 188, 189, 190, 191,
3493 192, 193, 194, 195, 196, 197, 198, 199,
3494 200, 201, 202, 203, 204, 205, 206, 207,
3495 208, 209, 210, 211, 212, 213, 214, 215,
3496 216, 217, 218, 219, 220, 221, 222, 223,
3497 224, 225, 226, 227, 228, 229, 230, 231,
3498 232, 233, 234, 235, 236, 237, 238, 239,
3499 240, 241, 242, 243, 244, 245, 246, 247,
3500 248, 249, 250, 251, 252, 253, 254, 255
3501};
3502#else
27da23d5 3503EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3504#endif
27da23d5 3505#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3506
3507#ifdef DOINIT
9d116dd7 3508#ifdef EBCDIC
27da23d5 3509EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3510 1, 2, 84, 151, 154, 155, 156, 157,
3511 165, 246, 250, 3, 158, 7, 18, 29,
3512 40, 51, 62, 73, 85, 96, 107, 118,
3513 129, 140, 147, 148, 149, 150, 152, 153,
3514 255, 6, 8, 9, 10, 11, 12, 13,
3515 14, 15, 24, 25, 26, 27, 28, 226,
3516 29, 30, 31, 32, 33, 43, 44, 45,
3517 46, 47, 48, 49, 50, 76, 77, 78,
3518 79, 80, 81, 82, 83, 84, 85, 86,
3519 87, 94, 95, 234, 181, 233, 187, 190,
3520 180, 96, 97, 98, 99, 100, 101, 102,
3521 104, 112, 182, 174, 236, 232, 229, 103,
3522 228, 226, 114, 115, 116, 117, 118, 119,
3523 120, 121, 122, 235, 176, 230, 194, 162,
3524 130, 131, 132, 133, 134, 135, 136, 137,
3525 138, 139, 201, 205, 163, 217, 220, 224,
3526 5, 248, 227, 244, 242, 255, 241, 231,
3527 240, 253, 16, 197, 19, 20, 21, 187,
3528 23, 169, 210, 245, 237, 249, 247, 239,
3529 168, 252, 34, 196, 36, 37, 38, 39,
3530 41, 42, 251, 254, 238, 223, 221, 213,
3531 225, 177, 52, 53, 54, 55, 56, 57,
3532 58, 59, 60, 61, 63, 64, 65, 66,
3533 67, 68, 69, 70, 71, 72, 74, 75,
3534 205, 208, 186, 202, 200, 218, 198, 179,
3535 178, 214, 88, 89, 90, 91, 92, 93,
3536 217, 166, 170, 207, 199, 209, 206, 204,
3537 160, 212, 105, 106, 108, 109, 110, 111,
3538 203, 113, 216, 215, 192, 175, 193, 243,
3539 172, 161, 123, 124, 125, 126, 127, 128,
3540 222, 219, 211, 195, 188, 193, 185, 184,
3541 191, 183, 141, 142, 143, 144, 145, 146
3542};
3543#else /* ascii rather than ebcdic */
22c35a8c 3544EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3545 1, 2, 84, 151, 154, 155, 156, 157,
3546 165, 246, 250, 3, 158, 7, 18, 29,
3547 40, 51, 62, 73, 85, 96, 107, 118,
3548 129, 140, 147, 148, 149, 150, 152, 153,
3549 255, 182, 224, 205, 174, 176, 180, 217,
3550 233, 232, 236, 187, 235, 228, 234, 226,
3551 222, 219, 211, 195, 188, 193, 185, 184,
3552 191, 183, 201, 229, 181, 220, 194, 162,
3553 163, 208, 186, 202, 200, 218, 198, 179,
3554 178, 214, 166, 170, 207, 199, 209, 206,
3555 204, 160, 212, 216, 215, 192, 175, 173,
3556 243, 172, 161, 190, 203, 189, 164, 230,
3557 167, 248, 227, 244, 242, 255, 241, 231,
3558 240, 253, 169, 210, 245, 237, 249, 247,
3559 239, 168, 252, 251, 254, 238, 223, 221,
3560 213, 225, 177, 197, 171, 196, 159, 4,
3561 5, 6, 8, 9, 10, 11, 12, 13,
3562 14, 15, 16, 17, 19, 20, 21, 22,
3563 23, 24, 25, 26, 27, 28, 30, 31,
3564 32, 33, 34, 35, 36, 37, 38, 39,
3565 41, 42, 43, 44, 45, 46, 47, 48,
3566 49, 50, 52, 53, 54, 55, 56, 57,
3567 58, 59, 60, 61, 63, 64, 65, 66,
3568 67, 68, 69, 70, 71, 72, 74, 75,
3569 76, 77, 78, 79, 80, 81, 82, 83,
3570 86, 87, 88, 89, 90, 91, 92, 93,
3571 94, 95, 97, 98, 99, 100, 101, 102,
3572 103, 104, 105, 106, 108, 109, 110, 111,
3573 112, 113, 114, 115, 116, 117, 119, 120,
3574 121, 122, 123, 124, 125, 126, 127, 128,
3575 130, 131, 132, 133, 134, 135, 136, 137,
3576 138, 139, 141, 142, 143, 144, 145, 146
3577};
9d116dd7 3578#endif
79072805 3579#else
22c35a8c 3580EXTCONST unsigned char PL_freq[];
79072805
LW		 3581#endif
3582
8990e307
LW		 3583#ifdef DEBUGGING
3584#ifdef DOINIT
27da23d5 3585EXTCONST char* const PL_block_type[] = {
8990e307
LW		 3586 "NULL",
3587 "SUB",
3588 "EVAL",
3589 "LOOP",
3590 "SUBST",
3591 "BLOCK",
3592};
3593#else
22c35a8c 3594EXTCONST char* PL_block_type[];
8990e307
LW		 3595#endif
3596#endif
3597
73c4f7a1
GS		 3598END_EXTERN_C
3599
79072805
LW		 3600/*****************************************************************************/
3601/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3602/*****************************************************************************/
8990e307 3603/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3604
d4c3c482 3605#ifdef __Lynx__
9cffb111
OS		 3606/* LynxOS defines these in scsi.h which is included via ioctl.h */
3607#ifdef FORMAT
3608#undef FORMAT
3609#endif
3610#ifdef SPACE
3611#undef SPACE
3612#endif
d4c3c482 3613#endif
9cffb111 3614
1fd33325
MHM		 3615/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3616 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3617 * it's not really needed.
3618 */
3619#if defined(WIN32)
3620# define YYTOKENTYPE
3621#endif
a0d0e21e
LW		 3622#include "perly.h"
3623
fb73857a 3624#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3625
79072805
LW		 3626typedef enum {
3627 XOPERATOR,
3628 XTERM,
79072805 3629 XREF,
8990e307 3630 XSTATE,
a0d0e21e 3631 XBLOCK,
09bef843
SB		 3632 XATTRBLOCK,
3633 XATTRTERM,
6f33ba73
RGS		 3634 XTERMBLOCK,
3635 XTERMORDORDOR /* evil hack */
27308ded 3636 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3637} expectation;
3638
dc9e4912
GS		 3639enum { /* pass one of these to get_vtbl */
3640 want_vtbl_sv,
3641 want_vtbl_env,
3642 want_vtbl_envelem,
3643 want_vtbl_sig,
3644 want_vtbl_sigelem,
3645 want_vtbl_pack,
3646 want_vtbl_packelem,
3647 want_vtbl_dbline,
3648 want_vtbl_isa,
3649 want_vtbl_isaelem,
3650 want_vtbl_arylen,
3651 want_vtbl_glob,
3652 want_vtbl_mglob,
3653 want_vtbl_nkeys,
3654 want_vtbl_taint,
3655 want_vtbl_substr,
3656 want_vtbl_vec,
3657 want_vtbl_pos,
3658 want_vtbl_bm,
3659 want_vtbl_fm,
3660 want_vtbl_uvar,
3661 want_vtbl_defelem,
3662 want_vtbl_regexp,
3663 want_vtbl_collxfrm,
3664 want_vtbl_amagic,
3665 want_vtbl_amagicelem,
dc9e4912 3666 want_vtbl_regdata,
810b8aa5 3667 want_vtbl_regdatum,
7e8c5dac
HS		 3668 want_vtbl_backref,
3669 want_vtbl_utf8
dc9e4912
GS		 3670};
3671
85e6fe83
LW		 3672 /* Note: the lowest 8 bits are reserved for
3673 stuffing into op->op_private */
f3aa04c2 3674#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3675#define HINT_INTEGER 0x00000001 /* integer pragma */
3676#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3677#define HINT_LOCALE 0x00000004 /* locale pragma */
3678#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3679/* #define HINT_notused10 0x00000010 */
a0ed51b3 3680 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3681 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3682
3683#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3684#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3685#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3686
9cfe5470 3687/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3688#define HINT_NEW_INTEGER 0x00001000
3689#define HINT_NEW_FLOAT 0x00002000
3690#define HINT_NEW_BINARY 0x00004000
3691#define HINT_NEW_STRING 0x00008000
3692#define HINT_NEW_RE 0x00010000
3693#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3694
9cfe5470
RGS		 3695#define HINT_RE_TAINT 0x00100000 /* re pragma */
3696#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3697
9cfe5470
RGS		 3698#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3699#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3700
8fa7688f 3701/* assertions pragma */
06492da6 3702#define HINT_ASSERTING 0x01000000
8fa7688f 3703#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3704
9cfe5470 3705/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3706#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3707#define HINT_SORT_QUICKSORT 0x00000001
3708#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3709#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3710
8bfdd7d9 3711/* Various states of the input record separator SV (rs) */
d4cce5f1 3712#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3713#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3714#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3715#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3716
128e8167 3717/* A struct for keeping various DEBUGGING related stuff,
ce333219 3718 * neatly packed. Currently only scratch variables for
128e8167
JH		 3719 * constructing debug output are included. Needed always,
3720 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3721struct perl_debug_pad {
3722 SV pad[3];
3723};
3724
3725#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 3726#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
3727 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
3728 PERL_DEBUG_PAD(i))
ce333219 3729
56953603 3730/* Enable variables which are pointers to functions */
a2efc822 3731typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3732typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3733typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3734 char* strend, char* strbeg, I32 minend,
3735 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3736typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3737 char *strpos, char *strend,
3738 U32 flags,
3739 struct re_scream_pos_data_s *d);
3740typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3741typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3742
c76ac1ee 3743typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3744typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3745typedef void (*SVFUNC_t) (pTHX_ SV*);
3746typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3747typedef void (*XSINIT_t) (pTHX);
3748typedef void (*ATEXIT_t) (pTHX_ void*);
3749typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3750
22239a37
NIS		 3751/* Set up PERLVAR macros for populating structs */
3752#define PERLVAR(var,type) type var;
51371543 3753#define PERLVARA(var,n,type) type var[n];
22239a37 3754#define PERLVARI(var,type,init) type var;
3fe35a81 3755#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 3756#define PERLVARISC(var,init) const char var[sizeof(init)];
3757
3758typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
3759typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 3760
58a50f62
GS		 3761/* Interpreter exitlist entry */
3762typedef struct exitlistentry {
acfe0abc 3763 void (*fn) (pTHX_ void*);
58a50f62
GS		 3764 void *ptr;
3765} PerlExitListEntry;
3766
22239a37
NIS		 3767#ifdef PERL_GLOBAL_STRUCT
3768struct perl_vars {
7766f137 3769# include "perlvars.h"
22239a37
NIS		 3770};
3771
7766f137 3772# ifdef PERL_CORE
27da23d5 3773# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 3774EXT struct perl_vars PL_Vars;
3775EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 3776# undef PERL_GET_VARS
3777# define PERL_GET_VARS() PL_VarsPtr
3778# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 3779# else /* PERL_CORE */
3780# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3781EXT
7766f137 3782# endif /* WIN32 */
533c011a 3783struct perl_vars *PL_VarsPtr;
7766f137
GS		 3784# define PL_Vars (*((PL_VarsPtr) \
3785 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3786# endif /* PERL_CORE */
22239a37
NIS		 3787#endif /* PERL_GLOBAL_STRUCT */
3788
acfe0abc 3789#if defined(MULTIPLICITY)
d460ef45 3790/* If we have multiple interpreters define a struct
d4cce5f1 3791 holding variables which must be per-interpreter
d460ef45 3792 If we don't have threads anything that would have
d4cce5f1
NIS		 3793 be per-thread is per-interpreter.
3794*/
3795
79072805 3796struct interpreter {
3db8f154 3797# include "thrdvar.h"
7766f137
GS		 3798# include "intrpvar.h"
3799/*
3800 * The following is a buffer where new variables must
acfe0abc 3801 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3802 */
3803PERLVARA(object_compatibility,30, char)
49f531da 3804};
d4cce5f1 3805
79072805 3806#else
49f531da
NIS		 3807struct interpreter {
3808 char broiled;
3809};
acfe0abc 3810#endif /* MULTIPLICITY */
79072805 3811
22fae026 3812typedef void *Thread;
22239a37
NIS		 3813
3814/* Done with PERLVAR macros for now ... */
d4cce5f1 3815#undef PERLVAR
51371543 3816#undef PERLVARA
d4cce5f1 3817#undef PERLVARI
3fe35a81 3818#undef PERLVARIC
27da23d5 3819#undef PERLVARISC
79072805 3820
49704364
WL		 3821/* Types used by pack/unpack */
3822typedef enum {
3823 e_no_len, /* no length */
3824 e_number, /* number, [] */
3825 e_star /* asterisk */
3826} howlen_t;
3827
f337b084 3828typedef struct tempsym {
49704364
WL		 3829 char* patptr; /* current template char */
3830 char* patend; /* one after last char */
3831 char* grpbeg; /* 1st char of ()-group */
3832 char* grpend; /* end of ()-group */
66c611c5 3833 I32 code; /* template code (!<>) */
49704364
WL		 3834 I32 length; /* length/repeat count */
3835 howlen_t howlen; /* how length is given */
3836 int level; /* () nesting level */
3837 U32 flags; /* /=4, comma=2, pack=1 */
66c611c5 3838 /* and group modifiers */
f337b084
TH		 3839 STRLEN strbeg; /* offset of group start */
3840 struct tempsym *previous; /* previous group */
49704364
WL		 3841} tempsym_t;
3842
22239a37 3843#include "thread.h"
79072805 3844#include "pp.h"
864dbfa3
GS		 3845
3846#ifndef PERL_CALLCONV
3847# define PERL_CALLCONV
d460ef45 3848#endif
864dbfa3 3849
65f19062
GS		 3850#ifndef NEXT30_NO_ATTRIBUTE
3851# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3852# ifdef __attribute__ /* Avoid possible redefinition errors */
3853# undef __attribute__
3854# endif
3855# define __attribute__(attr)
3856# endif
3857#endif
3858
0cb96387
GS		 3859#undef PERL_CKDEF
3860#undef PERL_PPDEF
3861#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3862#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3863
7766f137 3864#include "proto.h"
864dbfa3 3865
0cb96387 3866/* this has structure inits, so it cannot be included before here */
acfe0abc 3867#include "opcode.h"
864dbfa3 3868
d4cce5f1
NIS		 3869/* The following must follow proto.h as #defines mess up syntax */
3870
22c35a8c
GS		 3871#if !defined(PERL_FOR_X2P)
3872# include "embedvar.h"
3873#endif
d4cce5f1 3874
d460ef45 3875/* Now include all the 'global' variables
d4cce5f1 3876 * If we don't have threads or multiple interpreters
d460ef45 3877 * these include variables that would have been their struct-s
d4cce5f1 3878 */
d460ef45 3879
533c011a 3880#define PERLVAR(var,type) EXT type PL_##var;
51371543 3881#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3882#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3883#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 3884#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 3885
acfe0abc 3886#if !defined(MULTIPLICITY)
7766f137 3887START_EXTERN_C
066ef5b5 3888# include "intrpvar.h"
3db8f154 3889# include "thrdvar.h"
7766f137 3890END_EXTERN_C
22239a37
NIS		 3891#endif
3892
acfe0abc 3893#if defined(WIN32)
66a93824 3894/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3895# include "embed.h"
acfe0abc 3896#endif
22239a37 3897
c5be433b
GS		 3898#ifndef PERL_GLOBAL_STRUCT
3899START_EXTERN_C
3900
3901# include "perlvars.h"
3902
3903END_EXTERN_C
3904#endif
3905
d4cce5f1 3906#undef PERLVAR
51371543 3907#undef PERLVARA
d4cce5f1 3908#undef PERLVARI
0f3f18a6 3909#undef PERLVARIC
79072805 3910
73c4f7a1
GS		 3911START_EXTERN_C
3912
79072805 3913#ifdef DOINIT
27da23d5 3914# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {a,b,c,d,e,f,g}
4944113a 3915#else
27da23d5 3916# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
4944113a
AL		 3917#endif
3918
3919MGVTBL_SET(
3920 PL_vtbl_sv,
3921 MEMBER_TO_FPTR(Perl_magic_get),
3922 MEMBER_TO_FPTR(Perl_magic_set),
3923 MEMBER_TO_FPTR(Perl_magic_len),
3924 NULL,
3925 NULL,
3926 NULL,
3927 NULL
3928);
3929
3930MGVTBL_SET(
3931 PL_vtbl_env,
3932 NULL,
3933 MEMBER_TO_FPTR(Perl_magic_set_all_env),
3934 NULL,
3935 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
3936 NULL,
3937 NULL,
3938 NULL
3939);
3940
3941MGVTBL_SET(
3942 PL_vtbl_envelem,
3943 NULL,
3944 MEMBER_TO_FPTR(Perl_magic_setenv),
3945 NULL,
3946 MEMBER_TO_FPTR(Perl_magic_clearenv),
3947 NULL,
3948 NULL,
3949 NULL
3950);
3951
3952MGVTBL_SET(
3953 PL_vtbl_sig,
3954 NULL,
3955 NULL,
3956 NULL,
3957 NULL,
3958 NULL,
3959 NULL,
3960 NULL
3961);
3962
9ba75e3c 3963#ifdef PERL_MICRO
4944113a
AL		 3964MGVTBL_SET(
3965 PL_vtbl_sigelem,
4944113a 3966 NULL, NULL, NULL, NULL, NULL, NULL, NULL
9ba75e3c
DD		 3967);
3968
64ca3a65 3969#else
9ba75e3c
DD		 3970MGVTBL_SET(
3971 PL_vtbl_sigelem,
4944113a
AL		 3972 MEMBER_TO_FPTR(Perl_magic_getsig),
3973 MEMBER_TO_FPTR(Perl_magic_setsig),
3974 NULL,
3975 MEMBER_TO_FPTR(Perl_magic_clearsig),
3976 NULL,
3977 NULL,
3978 NULL
4944113a 3979);
9ba75e3c 3980#endif
4944113a
AL		 3981
3982MGVTBL_SET(
3983 PL_vtbl_pack,
3984 NULL,
3985 NULL,
3986 MEMBER_TO_FPTR(Perl_magic_sizepack),
3987 MEMBER_TO_FPTR(Perl_magic_wipepack),
3988 NULL,
3989 NULL,
3990 NULL
3991);
3992
3993MGVTBL_SET(
3994 PL_vtbl_packelem,
3995 MEMBER_TO_FPTR(Perl_magic_getpack),
3996 MEMBER_TO_FPTR(Perl_magic_setpack),
3997 NULL,
3998 MEMBER_TO_FPTR(Perl_magic_clearpack),
3999 NULL,
4000 NULL,
4001 NULL
4002);
4003
4004MGVTBL_SET(
4005 PL_vtbl_dbline,
4006 NULL,
4007 MEMBER_TO_FPTR(Perl_magic_setdbline),
4008 NULL,
4009 NULL,
4010 NULL,
4011 NULL,
4012 NULL
4013);
4014
4015MGVTBL_SET(
4016 PL_vtbl_isa,
4017 NULL,
4018 MEMBER_TO_FPTR(Perl_magic_setisa),
4019 NULL,
4020 MEMBER_TO_FPTR(Perl_magic_setisa),
4021 NULL,
4022 NULL,
4023 NULL
4024);
4025
4026MGVTBL_SET(
4027 PL_vtbl_isaelem,
4028 NULL,
4029 MEMBER_TO_FPTR(Perl_magic_setisa),
4030 NULL,
4031 NULL,
4032 NULL,
4033 NULL,
4034 NULL
4035);
4036
4037MGVTBL_SET(
4038 PL_vtbl_arylen,
4039 MEMBER_TO_FPTR(Perl_magic_getarylen),
4040 MEMBER_TO_FPTR(Perl_magic_setarylen),
4041 NULL,
4042 NULL,
4043 NULL,
4044 NULL,
4045 NULL
4046);
4047
4048MGVTBL_SET(
4049 PL_vtbl_glob,
4050 MEMBER_TO_FPTR(Perl_magic_getglob),
4051 MEMBER_TO_FPTR(Perl_magic_setglob),
4052 NULL,
4053 NULL,
4054 NULL,
4055 NULL,
4056 NULL
4057);
4058
4059MGVTBL_SET(
4060 PL_vtbl_mglob,
4061 NULL,
4062 MEMBER_TO_FPTR(Perl_magic_setmglob),
4063 NULL,
4064 NULL,
4065 NULL,
4066 NULL,
4067 NULL
4068);
4069
4070MGVTBL_SET(
4071 PL_vtbl_nkeys,
4072 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4073 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4074 NULL,
4075 NULL,
4076 NULL,
4077 NULL,
4078 NULL
4079);
4080
4081MGVTBL_SET(
4082 PL_vtbl_taint,
4083 MEMBER_TO_FPTR(Perl_magic_gettaint),
4084 MEMBER_TO_FPTR(Perl_magic_settaint),
4085 NULL,
4086 NULL,
4087 NULL,
4088 NULL,
4089 NULL
4090);
4091
4092MGVTBL_SET(
4093 PL_vtbl_substr,
4094 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4095 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4096 NULL,
4097 NULL,
4098 NULL,
4099 NULL,
4100 NULL
4101);
4102
4103MGVTBL_SET(
4104 PL_vtbl_vec,
4105 MEMBER_TO_FPTR(Perl_magic_getvec),
4106 MEMBER_TO_FPTR(Perl_magic_setvec),
4107 NULL,
4108 NULL,
4109 NULL,
4110 NULL,
4111 NULL
4112);
4113
4114MGVTBL_SET(
4115 PL_vtbl_pos,
4116 MEMBER_TO_FPTR(Perl_magic_getpos),
4117 MEMBER_TO_FPTR(Perl_magic_setpos),
4118 NULL,
4119 NULL,
4120 NULL,
4121 NULL,
4122 NULL
4123);
4124
4125MGVTBL_SET(
4126 PL_vtbl_bm,
4127 NULL,
4128 MEMBER_TO_FPTR(Perl_magic_setbm),
4129 NULL,
4130 NULL,
4131 NULL,
4132 NULL,
4133 NULL
4134);
4135
4136MGVTBL_SET(
4137 PL_vtbl_fm,
4138 NULL,
4139 MEMBER_TO_FPTR(Perl_magic_setfm),
4140 NULL,
4141 NULL,
4142 NULL,
4143 NULL,
4144 NULL
4145);
4146
4147MGVTBL_SET(
4148 PL_vtbl_uvar,
4149 MEMBER_TO_FPTR(Perl_magic_getuvar),
4150 MEMBER_TO_FPTR(Perl_magic_setuvar),
4151 NULL,
4152 NULL,
4153 NULL,
4154 NULL,
4155 NULL
4156);
4157
4158MGVTBL_SET(
4159 PL_vtbl_defelem,
4160 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4161 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4162 NULL,
4163 NULL,
4164 NULL,
4165 NULL,
4166 NULL
4167);
4168
4169MGVTBL_SET(
4170 PL_vtbl_regexp,
4171 NULL,
4172 MEMBER_TO_FPTR(Perl_magic_setregexp),
4173 NULL,
4174 NULL,
4175 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4176 NULL,
4177 NULL
4178);
4179
4180MGVTBL_SET(
4181 PL_vtbl_regdata,
4182 NULL,
4183 NULL,
4184 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4185 NULL,
4186 NULL,
4187 NULL,
4188 NULL
4189);
4190
4191MGVTBL_SET(
4192 PL_vtbl_regdatum,
4193 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4194 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4195 NULL,
4196 NULL,
4197 NULL,
4198 NULL,
4199 NULL
4200);
4201
4202MGVTBL_SET(
4203 PL_vtbl_amagic,
4204 NULL,
4205 MEMBER_TO_FPTR(Perl_magic_setamagic),
4206 NULL,
4207 NULL,
4208 MEMBER_TO_FPTR(Perl_magic_setamagic),
4209 NULL,
4210 NULL
4211);
4212
4213MGVTBL_SET(
4214 PL_vtbl_amagicelem,
4215 NULL,
4216 MEMBER_TO_FPTR(Perl_magic_setamagic),
4217 NULL,
4218 NULL,
4219 MEMBER_TO_FPTR(Perl_magic_setamagic),
4220 NULL,
4221 NULL
4222);
4223
4224MGVTBL_SET(
4225 PL_vtbl_backref,
4226 NULL,
4227 NULL,
4228 NULL,
4229 NULL,
4230 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4231 NULL,
4232 NULL
4233);
4234
4235MGVTBL_SET(
4236 PL_vtbl_ovrld,
4237 NULL,
4238 NULL,
4239 NULL,
4240 NULL,
4241 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4242 NULL,
4243 NULL
4244);
4245
4246MGVTBL_SET(
4247 PL_vtbl_utf8,
4248 NULL,
4249 MEMBER_TO_FPTR(Perl_magic_setutf8),
4250 NULL,
4251 NULL,
4252 NULL,
4253 NULL,
4254 NULL
4255);
36477c24 4256#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4257MGVTBL_SET(
4258 PL_vtbl_collxfrm,
4259 NULL,
4260 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4261 NULL,
4262 NULL,
4263 NULL,
4264 NULL,
4265 NULL
4266);
bbce6d69 4267#endif
a0d0e21e 4268
85e6fe83 4269
f5284f61
IZ		 4270enum {
4271 fallback_amg, abs_amg,
4272 bool__amg, nomethod_amg,
4273 string_amg, numer_amg,
4274 add_amg, add_ass_amg,
4275 subtr_amg, subtr_ass_amg,
4276 mult_amg, mult_ass_amg,
4277 div_amg, div_ass_amg,
4278 modulo_amg, modulo_ass_amg,
4279 pow_amg, pow_ass_amg,
4280 lshift_amg, lshift_ass_amg,
4281 rshift_amg, rshift_ass_amg,
4282 band_amg, band_ass_amg,
4283 bor_amg, bor_ass_amg,
4284 bxor_amg, bxor_ass_amg,
4285 lt_amg, le_amg,
4286 gt_amg, ge_amg,
4287 eq_amg, ne_amg,
4288 ncmp_amg, scmp_amg,
4289 slt_amg, sle_amg,
4290 sgt_amg, sge_amg,
4291 seq_amg, sne_amg,
4292 not_amg, compl_amg,
4293 inc_amg, dec_amg,
4294 atan2_amg, cos_amg,
4295 sin_amg, exp_amg,
4296 log_amg, sqrt_amg,
4297 repeat_amg, repeat_ass_amg,
4298 concat_amg, concat_ass_amg,
4299 copy_amg, neg_amg,
4300 to_sv_amg, to_av_amg,
4301 to_hv_amg, to_gv_amg,
d460ef45 4302 to_cv_amg, iter_amg,
f216259d
IZ		 4303 int_amg, DESTROY_amg,
4304 max_amg_code
64a0062a 4305 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 4306};
4307
4308#define NofAMmeth max_amg_code
e1ec3a88 4309#define AMG_id2name(id) (PL_AMG_names[id]+1)
f5284f61 4310
a0d0e21e 4311#ifdef DOINIT
27da23d5 4312EXTCONST char * const PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 4313 /* Names kept in the symbol table. fallback => "()", the rest has
4314 "(" prepended. The only other place in perl which knows about
4315 this convention is AMG_id2name (used for debugging output and
4316 'nomethod' only), the only other place which has it hardwired is
4317 overload.pm. */
4318 "()", "(abs", /* "fallback" should be the first. */
4319 "(bool", "(nomethod",
4320 "(\"\"", "(0+",
4321 "(+", "(+=",
4322 "(-", "(-=",
4323 "(*", "(*=",
4324 "(/", "(/=",
4325 "(%", "(%=",
4326 "(**", "(**=",
4327 "(<<", "(<<=",
4328 "(>>", "(>>=",
4329 "(&", "(&=",
4330 "(|", "(|=",
4331 "(^", "(^=",
4332 "(<", "(<=",
4333 "(>", "(>=",
4334 "(==", "(!=",
4335 "(<=>", "(cmp",
4336 "(lt", "(le",
4337 "(gt", "(ge",
4338 "(eq", "(ne",
4339 "(!", "(~",
4340 "(++", "(--",
4341 "(atan2", "(cos",
4342 "(sin", "(exp",
4343 "(log", "(sqrt",
4344 "(x", "(x=",
4345 "(.", "(.=",
4346 "(=", "(neg",
4347 "(${}", "(@{}",
4348 "(%{}", "(*{}",
4349 "(&{}", "(<>",
f216259d 4350 "(int", "DESTROY",
a0d0e21e
LW		 4351};
4352#else
22c35a8c 4353EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4354#endif /* def INITAMAGIC */
4355
73c4f7a1
GS		 4356END_EXTERN_C
4357
a6006777 4358struct am_table {
eb160463 4359 U32 was_ok_sub;
a0d0e21e 4360 long was_ok_am;
a6006777 4361 U32 flags;
4362 CV* table[NofAMmeth];
a0d0e21e
LW		 4363 long fallback;
4364};
a6006777 4365struct am_table_short {
eb160463 4366 U32 was_ok_sub;
a6006777 4367 long was_ok_am;
4368 U32 flags;
4369};
a0d0e21e 4370typedef struct am_table AMT;
a6006777 4371typedef struct am_table_short AMTS;
a0d0e21e
LW		 4372
4373#define AMGfallNEVER 1
4374#define AMGfallNO 2
4375#define AMGfallYES 3
4376
a6006777 4377#define AMTf_AMAGIC 1
32251b26 4378#define AMTf_OVERLOADED 2
a6006777 4379#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4380#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4381#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4382#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4383#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4384#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4385
32251b26 4386#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4387
4388/*
4389 * some compilers like to redefine cos et alia as faster
4390 * (and less accurate?) versions called F_cos et cetera (Quidquid
4391 * latine dictum sit, altum viditur.) This trick collides with
4392 * the Perl overloading (amg). The following #defines fool both.
4393 */
4394
4395#ifdef _FASTMATH
4396# ifdef atan2
4397# define F_atan2_amg atan2_amg
4398# endif
4399# ifdef cos
4400# define F_cos_amg cos_amg
4401# endif
4402# ifdef exp
4403# define F_exp_amg exp_amg
4404# endif
4405# ifdef log
4406# define F_log_amg log_amg
4407# endif
4408# ifdef pow
4409# define F_pow_amg pow_amg
4410# endif
4411# ifdef sin
4412# define F_sin_amg sin_amg
4413# endif
4414# ifdef sqrt
4415# define F_sqrt_amg sqrt_amg
4416# endif
4417#endif /* _FASTMATH */
4418
83ee9e09
GS		 4419#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4420 PERLDBf_NOOPT | PERLDBf_INTER | \
4421 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 4422 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
4423 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 4424#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4425#define PERLDBf_LINE 0x02 /* Keep line # */
4426#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4427#define PERLDBf_INTER 0x08 /* Preserve more data for
4428 later inspections */
4429#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4430#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4431#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4432#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4433#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4434#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 4435#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 4436
3280af22
NIS		 4437#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4438#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4439#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4440#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4441#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4442#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4443#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4444#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 4445#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4446#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 4447#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 4448
36477c24 4449#ifdef USE_LOCALE_NUMERIC
bbce6d69 4450
36477c24 4451#define SET_NUMERIC_STANDARD() \
ff4fed7c 4452 set_numeric_standard();
36477c24 4453
4454#define SET_NUMERIC_LOCAL() \
ff4fed7c 4455 set_numeric_local();
bbce6d69 4456
2de3dbcc
JH		 4457#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
4458#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4459
4460#define IN_LOCALE \
923e4eb5 4461 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 4462
f93f4e46 4463#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 4464 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 4465 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 4466
4467#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 4468 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 4469 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 4470
4471#define RESTORE_NUMERIC_LOCAL() \
4472 if (was_local) SET_NUMERIC_LOCAL();
4473
4474#define RESTORE_NUMERIC_STANDARD() \
4475 if (was_standard) SET_NUMERIC_STANDARD();
4476
5b877257 4477#define Atof my_atof
097ee67d 4478
36477c24 4479#else /* !USE_LOCALE_NUMERIC */
bbce6d69 4480
097ee67d
JH		 4481#define SET_NUMERIC_STANDARD() /**/
4482#define SET_NUMERIC_LOCAL() /**/
5e931b6b 4483#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 4484#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4485#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 4486#define RESTORE_NUMERIC_LOCAL() /**/
4487#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 4488#define Atof my_atof
ad3e0f90 4489#define IN_LOCALE_RUNTIME 0
bbce6d69 4490
36477c24 4491#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 4492
079290de 4493#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4494# ifdef __hpux
4495# define strtoll __strtoll /* secret handshake */
4496# endif
c623ac67
GS		 4497# ifdef WIN64
4498# define strtoll _strtoi64 /* secret handshake */
4499# endif
079290de
GS		 4500# if !defined(Strtol) && defined(HAS_STRTOLL)
4501# define Strtol strtoll
ad551343 4502# endif
28e5dec8
JH		 4503# if !defined(Strtol) && defined(HAS_STRTOQ)
4504# define Strtol strtoq
4505# endif
ff935051 4506/* is there atoq() anywhere? */
15b99d39 4507#endif
079290de
GS		 4508#if !defined(Strtol) && defined(HAS_STRTOL)
4509# define Strtol strtol
4510#endif
4511#ifndef Atol
4512/* It would be more fashionable to use Strtol() to define atol()
4513 * (as is done for Atoul(), see below) but for backward compatibility
4514 * we just assume atol(). */
76b882ba 4515# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 4516# ifdef WIN64
4517# define atoll _atoi64 /* secret handshake */
4518# endif
76b882ba
JH		 4519# define Atol atoll
4520# else
4521# define Atol atol
4522# endif
cf2093f6
JH		 4523#endif
4524
55eb892c 4525#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4526# ifdef __hpux
4527# define strtoull __strtoull /* secret handshake */
4528# endif
c623ac67
GS		 4529# ifdef WIN64
4530# define strtoull _strtoui64 /* secret handshake */
4531# endif
ad551343 4532# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 4533# define Strtoul strtoull
15b99d39 4534# endif
079290de
GS		 4535# if !defined(Strtoul) && defined(HAS_STRTOUQ)
4536# define Strtoul strtouq
4537# endif
76d49b1c 4538/* is there atouq() anywhere? */
ad551343 4539#endif
079290de
GS		 4540#if !defined(Strtoul) && defined(HAS_STRTOUL)
4541# define Strtoul strtoul
cf2093f6 4542#endif
a5523c5b
JH		 4543#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
4544# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
4545#endif
079290de
GS		 4546#ifndef Atoul
4547# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 4548#endif
cf2093f6 4549
760ac839 4550
06d86050
GS		 4551/* if these never got defined, they need defaults */
4552#ifndef PERL_SET_CONTEXT
4553# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
4554#endif
4555
4556#ifndef PERL_GET_CONTEXT
4557# define PERL_GET_CONTEXT PERL_GET_INTERP
4558#endif
4559
4560#ifndef PERL_GET_THX
4561# define PERL_GET_THX ((void*)NULL)
4562#endif
4563
4564#ifndef PERL_SET_THX
4565# define PERL_SET_THX(t) NOOP
4566#endif
4567
a868473f
NIS		 4568#ifndef PERL_SCRIPT_MODE
4569#define PERL_SCRIPT_MODE "r"
4570#endif
4571
fba3b22e 4572/*
da927450
JH		 4573 * Some operating systems are stingy with stack allocation,
4574 * so perl may have to guard against stack overflow.
4575 */
4576#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 4577#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 4578#endif
4579
4580/*
4581 * Some nonpreemptive operating systems find it convenient to
4582 * check for asynchronous conditions after each op execution.
4583 * Keep this check simple, or it may slow down execution
4584 * massively.
4585 */
ce08f86c 4586
1d615522 4587#ifndef PERL_MICRO
4ffa73a3
JH		 4588# ifndef PERL_ASYNC_CHECK
4589# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4590# endif
ce08f86c
NIS		 4591#endif
4592
da927450 4593#ifndef PERL_ASYNC_CHECK
1d615522 4594# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 4595#endif
4596
4597/*
4598 * On some operating systems, a memory allocation may succeed,
4599 * but put the process too close to the system's comfort limit.
4600 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4601 * it to NULL.
4602 */
4603#ifndef PERL_ALLOC_CHECK
c2af87cb 4604#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 4605#endif
4606
4607/*
fba3b22e
MB		 4608 * nice_chunk and nice_chunk size need to be set
4609 * and queried under the protection of sv_mutex
4610 */
30ad99e7
MJD		 4611#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4612 void *new_chunk; \
4613 U32 new_chunk_size; \
4614 LOCK_SV_MUTEX; \
4615 new_chunk = (void *)(chunk); \
4616 new_chunk_size = (chunk_size); \
4617 if (new_chunk_size > PL_nice_chunk_size) { \
4618 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
07409e01 4619 PL_nice_chunk = (char *) new_chunk; \
30ad99e7
MJD		 4620 PL_nice_chunk_size = new_chunk_size; \
4621 } else { \
4622 Safefree(chunk); \
4623 } \
4624 UNLOCK_SV_MUTEX; \
4625 } STMT_END
fba3b22e 4626
bd89102f
AD		 4627#ifdef HAS_SEM
4628# include <sys/ipc.h>
4629# include <sys/sem.h>
4630# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4631 union semun {
dbba660d
TC		 4632 int val;
4633 struct semid_ds *buf;
4634 unsigned short *array;
bd89102f
AD		 4635 };
4636# endif
4637# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4638# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4639 union gccbug_semun {
4640 int val;
4641 struct semid_ds *buf;
4642 unsigned short *array;
4643 char __dummy[5];
4644 };
4645# define semun gccbug_semun
4646# endif
bd89102f
AD		 4647# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4648# else
4649# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4650# ifdef EXTRA_F_IN_SEMUN_BUF
4651# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4652# else
4653# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4654# endif
bd89102f
AD		 4655# endif
4656# endif
bd89102f 4657#endif
49f531da 4658
89ca4ac7
JH		 4659/*
4660 * Boilerplate macros for initializing and accessing interpreter-local
4661 * data from C. All statics in extensions should be reworked to use
4662 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4663 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4664 *
4665 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4666 * 1. #define MY_CXT_KEY to a unique string, e.g.
4667 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4668 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4669 * all the data that needs to be interpreter-local.
4670 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4671 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4672 * (typically put in the BOOT: section).
4673 * 5. Use the members of the my_cxt_t structure everywhere as
4674 * MY_CXT.member.
4675 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4676 * access MY_CXT.
4677 */
4678
fc958cd2 4679#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4680
4681/* This must appear in all extensions that define a my_cxt_t structure,
4682 * right after the definition (i.e. at file scope). The non-threads
4683 * case below uses it to declare the data as static. */
4684#define START_MY_CXT
4685
4686/* Fetches the SV that keeps the per-interpreter data. */
4687#define dMY_CXT_SV \
4688 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4689 sizeof(MY_CXT_KEY)-1, TRUE)
4690
4691/* This declaration should be used within all functions that use the
4692 * interpreter-local data. */
4693#define dMY_CXT \
4694 dMY_CXT_SV; \
ec0e15e0 4695 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4696
4697/* Creates and zeroes the per-interpreter data.
4698 * (We allocate my_cxtp in a Perl SV so that it will be released when
4699 * the interpreter goes away.) */
4700#define MY_CXT_INIT \
4701 dMY_CXT_SV; \
4702 /* newSV() allocates one more than needed */ \
4703 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4704 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4705 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7 4706
8fba5d14
MHM		 4707/* Clones the per-interpreter data. */
4708#define MY_CXT_CLONE \
4709 dMY_CXT_SV; \
4710 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4711 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\
4712 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
4713
89ca4ac7
JH		 4714/* This macro must be used to access members of the my_cxt_t structure.
4715 * e.g. MYCXT.some_data */
4716#define MY_CXT (*my_cxtp)
4717
4718/* Judicious use of these macros can reduce the number of times dMY_CXT
4719 * is used. Use is similar to pTHX, aTHX etc. */
4720#define pMY_CXT my_cxt_t *my_cxtp
4721#define pMY_CXT_ pMY_CXT,
4722#define _pMY_CXT ,pMY_CXT
4723#define aMY_CXT my_cxtp
4724#define aMY_CXT_ aMY_CXT,
4725#define _aMY_CXT ,aMY_CXT
4726
4727#else /* USE_ITHREADS */
4728
4729#define START_MY_CXT static my_cxt_t my_cxt;
4730#define dMY_CXT_SV dNOOP
4731#define dMY_CXT dNOOP
4732#define MY_CXT_INIT NOOP
8fba5d14 4733#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 4734#define MY_CXT my_cxt
4735
4736#define pMY_CXT void
4737#define pMY_CXT_
4738#define _pMY_CXT
4739#define aMY_CXT
4740#define aMY_CXT_
4741#define _aMY_CXT
4742
4743#endif /* !defined(USE_ITHREADS) */
4744
9a34ef1d
GS		 4745#ifdef I_FCNTL
4746# include <fcntl.h>
9a34ef1d
GS		 4747#endif
4748
9cffb111
OS		 4749#ifdef __Lynx__
4750# include <fcntl.h>
4751#endif
4752
9a34ef1d
GS		 4753#ifdef I_SYS_FILE
4754# include <sys/file.h>
4755#endif
4756
fa0a29af 4757#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4758int flock(int fd, int op);
4759#endif
4760
fe52b3b7
GS		 4761#ifndef O_RDONLY
4762/* Assume UNIX defaults */
4763# define O_RDONLY 0000
4764# define O_WRONLY 0001
4765# define O_RDWR 0002
4766# define O_CREAT 0100
4767#endif
9a34ef1d 4768
16fe6d59
GS		 4769#ifndef O_BINARY
4770# define O_BINARY 0
4771#endif
4772
4773#ifndef O_TEXT
4774# define O_TEXT 0
4775#endif
4776
6ce75a77
JH		 4777#if O_TEXT != O_BINARY
4778 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4779 * that is, you are somehow DOSish. */
538204d5 4780# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4781 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4782 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4783 /* VOS has O_TEXT != O_BINARY, and they have effect,
4784 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4785 /* If you have O_TEXT different from your O_BINARY but you still are
4786 * not a CRLF shop. */
35990314 4787# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4788# else
4789 /* If you really are DOSish. */
4790# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4791# endif
4792#endif
4793
104d25b7
JH		 4794#ifdef IAMSUID
4795
4796#ifdef I_SYS_STATVFS
9f982a77
IG		 4797# if defined(PERL_SCO) && !defined(_SVID3)
4798# define _SVID3
4799# endif
32b3cf08
JH		 4800# include <sys/statvfs.h> /* for f?statvfs() */
4801#endif
4802#ifdef I_SYS_MOUNT
4803# include <sys/mount.h> /* for *BSD f?statfs() */
4804#endif
4805#ifdef I_MNTENT
4806# include <mntent.h> /* for getmntent() */
104d25b7 4807#endif
0545a864
JH		 4808#ifdef I_SYS_STATFS
4809# include <sys/statfs.h> /* for some statfs() */
4810#endif
4811#ifdef I_SYS_VFS
8d9e1a19
GS		 4812# ifdef __sgi
4813# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4814# endif
4815# include <sys/vfs.h> /* for some statfs() */
4816# ifdef __sgi
4817# undef IRIX_sv
4818# endif
0545a864
JH		 4819#endif
4820#ifdef I_USTAT
4821# include <ustat.h> /* for ustat() */
4822#endif
4823
4824#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4825# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4826#endif
4827#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4828# define PERL_MOUNT_NOSUID MNT_NOSUID
4829#endif
4830#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4831# define PERL_MOUNT_NOSUID MS_NOSUID
4832#endif
4833#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4834# define PERL_MOUNT_NOSUID M_NOSUID
4835#endif
104d25b7 4836
ae3f3efd
PS		 4837#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
4838# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
4839#endif
4840#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
4841# define PERL_MOUNT_NOEXEC MNT_NOEXEC
4842#endif
4843#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
4844# define PERL_MOUNT_NOEXEC MS_NOEXEC
4845#endif
4846#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
4847# define PERL_MOUNT_NOEXEC M_NOEXEC
4848#endif
4849
104d25b7
JH		 4850#endif /* IAMSUID */
4851
4bc88a62
PS		 4852#ifdef I_LIBUTIL
4853# include <libutil.h> /* setproctitle() in some FreeBSDs */
4854#endif
4855
b4748376
NIS		 4856#ifndef EXEC_ARGV_CAST
4857#define EXEC_ARGV_CAST(x) x
4858#endif
4859
dd5dc04f
JH		 4860#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4861 int). value returned in pointed-
4862 to UV */
4863#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4864#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4865#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4866#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4867#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4868
4869#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4870
53305cf1
NC		 4871/* Input flags: */
4872#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4873#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4874#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4875/* Output flags: */
4876#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4877
2c4f7f0e
DM		 4878/* to let user control profiling */
4879#ifdef PERL_GPROF_CONTROL
4880extern void moncontrol(int);
4881#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4882#else
4883#define PERL_GPROF_MONCONTROL(x)
4884#endif
4885
ae0e3d3b
JH		 4886#ifdef UNDER_CE
4887#include "wince.h"
4888#endif
4889
4890/* ISO 6429 NEL - C1 control NExt Line */
4891/* See http://www.unicode.org/unicode/reports/tr13/ */
4892#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4893# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4894# define NEXT_LINE_CHAR 0x15
4895# else /* CDRA */
4896# define NEXT_LINE_CHAR 0x25
4897# endif
4898#else
4899# define NEXT_LINE_CHAR 0x85
4900#endif
4901
4902/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4903#define UNICODE_LINE_SEPA_0 0xE2
4904#define UNICODE_LINE_SEPA_1 0x80
4905#define UNICODE_LINE_SEPA_2 0xA8
4906#define UNICODE_PARA_SEPA_0 0xE2
4907#define UNICODE_PARA_SEPA_1 0x80
4908#define UNICODE_PARA_SEPA_2 0xA9
4909
479b2847
GS		 4910#ifndef PIPESOCK_MODE
4911# define PIPESOCK_MODE
4912#endif
4913
460c8493
IZ		 4914#ifndef SOCKET_OPEN_MODE
4915# define SOCKET_OPEN_MODE PIPESOCK_MODE
4916#endif
4917
4918#ifndef PIPE_OPEN_MODE
4919# define PIPE_OPEN_MODE PIPESOCK_MODE
4920#endif
4921
7e8c5dac
HS		 4922#define PERL_MAGIC_UTF8_CACHESIZE 2
4923
a05d7ebb
JH		 4924#define PERL_UNICODE_STDIN_FLAG 0x0001
4925#define PERL_UNICODE_STDOUT_FLAG 0x0002
4926#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4927#define PERL_UNICODE_IN_FLAG 0x0008
4928#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4929#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4930#define PERL_UNICODE_LOCALE_FLAG 0x0040
4931#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4932
06e66572
JH		 4933#define PERL_UNICODE_STD_FLAG \
4934 (PERL_UNICODE_STDIN_FLAG | \
4935 PERL_UNICODE_STDOUT_FLAG | \
4936 PERL_UNICODE_STDERR_FLAG)
4937
4938#define PERL_UNICODE_INOUT_FLAG \
4939 (PERL_UNICODE_IN_FLAG | \
4940 PERL_UNICODE_OUT_FLAG)
4941
4942#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4943 (PERL_UNICODE_STD_FLAG | \
4944 PERL_UNICODE_INOUT_FLAG | \
4945 PERL_UNICODE_LOCALE_FLAG)
4946
4947#define PERL_UNICODE_ALL_FLAGS 0x00ff
4948
4949#define PERL_UNICODE_STDIN 'I'
4950#define PERL_UNICODE_STDOUT 'O'
4951#define PERL_UNICODE_STDERR 'E'
4952#define PERL_UNICODE_STD 'S'
4953#define PERL_UNICODE_IN 'i'
4954#define PERL_UNICODE_OUT 'o'
4955#define PERL_UNICODE_INOUT 'D'
4956#define PERL_UNICODE_ARGV 'A'
4957#define PERL_UNICODE_LOCALE 'L'
4958#define PERL_UNICODE_WIDESYSCALLS 'W'
4959
4ffa73a3
JH		 4960#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4961
16bd9a85
JH		 4962/* From sigaction(2) (FreeBSD man page):
4963 * | Signal routines normally execute with the signal that
4964 * | caused their invocation blocked, but other signals may
4965 * | yet occur.
4966 * Emulation of this behavior (from within Perl) is enabled
4967 * by defining PERL_BLOCK_SIGNALS.
4968 */
4969#define PERL_BLOCK_SIGNALS
4970
4971#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4972# define PERL_BLOCKSIG_ADD(set,sig) \
4973 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4974# define PERL_BLOCKSIG_BLOCK(set) \
4975 sigprocmask(SIG_BLOCK, &(set), NULL)
4976# define PERL_BLOCKSIG_UNBLOCK(set) \
4977 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4978#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4979
4980/* How about the old style of sigblock()? */
4981
4982#ifndef PERL_BLOCKSIG_ADD
4983# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4984#endif
4985#ifndef PERL_BLOCKSIG_BLOCK
4986# define PERL_BLOCKSIG_BLOCK(set) NOOP
4987#endif
2bfba5f0 4988#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4989# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4990#endif
4991
32fdb065 4992/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4993 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4994#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4995
4d8076ea 4996/* and finally... */
cceca5ed 4997#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4998#include "patchlevel.h"
cceca5ed 4999#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5000
43999f95 5001/* Mention
d460ef45 5002
43999f95 5003 NV_PRESERVES_UV
fe749a9f 5004
fe749a9f
JH		 5005 HAS_MKSTEMP
5006 HAS_MKSTEMPS
5007 HAS_MKDTEMP
5008
49dabb45
JH		 5009 HAS_GETCWD
5010
d59b5429 5011 HAS_MMAP
fe749a9f
JH		 5012 HAS_MPROTECT
5013 HAS_MSYNC
1e8c3fde 5014 HAS_MADVISE
fe749a9f
JH		 5015 HAS_MUNMAP
5016 I_SYSMMAN
5017 Mmap_t
5018
6b4667fc
A		 5019 NVef
5020 NVff
5021 NVgf
5022
4e0554ec 5023 HAS_UALARM
2d736872 5024 HAS_USLEEP
4e0554ec
JH		 5025
5026 HAS_SETITIMER
5027 HAS_GETITIMER
5028
5029 HAS_SENDMSG
5030 HAS_RECVMSG
5031 HAS_READV
5032 HAS_WRITEV
5033 I_SYSUIO
5034 HAS_STRUCT_MSGHDR
5035 HAS_STRUCT_CMSGHDR
5036
2765b840 5037 HAS_NL_LANGINFO
0a7020c9 5038
ae0e3d3b 5039 HAS_DIRFD
2765b840 5040
43999f95
JH		 5041 so that Configure picks them up. */
5042
85e6fe83 5043#endif /* Include guard */
ae0e3d3b 5044
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