This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
https://perl5.git.perl.org / perl5.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Replace hv_iternext() with a macro that calls hv_iternext_flags with
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH		 79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
27da23d5
JH		 85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
a0fd4948 91#ifdef __SYMBIAN32__
27da23d5
JH		 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. */
a0fd4948 98#if defined(EPOC) || defined(__SYMBIAN32__)
27da23d5
JH		 99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 109# define USE_REENTRANT_API
110#endif
111
ac6bedea
JH		 112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
6239f2da
JH		 115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
27da23d5
JH		 125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
3db8f154
MB		 151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
27da23d5
JH		 153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
894356b3
GS		 166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
4373e329
AL		 169# define pTHX_5 6
170# define pTHX_6 7
a3b680e6
AL		 171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
c5be433b
GS		 174#endif
175
76e3520e
GS		 176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
1d583055
GS		 181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
312caa8e
CS		 186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
1215b447
JH		 193/* XXX The PERL_UNUSED_DECL suffix is unfortunately rather inflexible:
194 * it assumes that in all compilers the way to suppress an "unused"
195 * warning is to have a suffix. In some compilers that might be a
196 * a compiler pragma, e.g. #pragma unused(varname). */
197
9969cdde 198#if defined(__SYMBIAN32__) && defined(__GNUC__)
5b2bd0a5
AMS		 199# ifdef __cplusplus
200# define PERL_UNUSED_DECL
201# else
202# define PERL_UNUSED_DECL __attribute__((unused))
203# endif
204#endif
44dbb695 205
5b2bd0a5 206#ifndef PERL_UNUSED_DECL
b79c357a
RGS		 207# ifdef HASATTRIBUTE_UNUSED
208# define PERL_UNUSED_DECL __attribute__unused__
209# else
210# define PERL_UNUSED_DECL
211# endif
5b2bd0a5
AMS		 212#endif
213
349b520e
DM		 214/* gcc -Wall:
215 * for silencing unused variables that are actually used most of the time,
a0288114 216 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 217 */
53c1dcc0 218#ifndef PERL_UNUSED_ARG
ad73156c
AL		 219# ifdef lint
220# include <note.h>
53c1dcc0 221# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 222# else
53c1dcc0 223# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 224# endif
225#endif
53c1dcc0
AL		 226#ifndef PERL_UNUSED_VAR
227# define PERL_UNUSED_VAR(x) ((void)x)
228#endif
ad73156c 229
0cb96387 230#define NOOP (void)0
44dbb695 231#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 232
0cb96387
GS		 233#ifndef pTHX
234# define pTHX void
235# define pTHX_
0cb96387
GS		 236# define aTHX
237# define aTHX_
0cb96387
GS		 238# define dTHXa(a) dNOOP
239# define dTHX dNOOP
894356b3
GS		 240# define pTHX_1 1
241# define pTHX_2 2
242# define pTHX_3 3
243# define pTHX_4 4
3d42dc86
RGS		 244# define pTHX_5 5
245# define pTHX_6 6
a3b680e6
AL		 246# define pTHX_7 7
247# define pTHX_8 8
248# define pTHX_9 9
0cb96387
GS		 249#endif
250
27da23d5
JH		 251#ifndef dVAR
252# define dVAR dNOOP
253#endif
254
b4f7f263
GS		 255/* these are only defined for compatibility; should not be used internally */
256#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 257# define pTHXo pTHX
258# define pTHXo_ pTHX_
0cb96387
GS		 259# define aTHXo aTHX
260# define aTHXo_ aTHX_
c5be433b 261# define dTHXo dTHX
71d280e3 262# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 263#endif
264
265#ifndef pTHXx
266# define pTHXx register PerlInterpreter *my_perl
267# define pTHXx_ pTHXx,
0cb96387
GS		 268# define aTHXx my_perl
269# define aTHXx_ aTHXx,
c5be433b 270# define dTHXx dTHX
22c35a8c 271#endif
71be2cbc 272
1de7c2ac
GS		 273/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
274 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
275 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
276#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 277# ifdef PERL_GLOBAL_STRUCT_PRIVATE
278# define dTHXs dVAR; dTHX
279# else
280# define dTHXs dTHX
281# endif
1de7c2ac 282#else
27da23d5
JH		 283# ifdef PERL_GLOBAL_STRUCT_PRIVATE
284# define dTHXs dVAR
285# else
286# define dTHXs dNOOP
287# endif
1de7c2ac
GS		 288#endif
289
326b05e3
GS		 290#undef START_EXTERN_C
291#undef END_EXTERN_C
292#undef EXTERN_C
32f822de
GS		 293#ifdef __cplusplus
294# define START_EXTERN_C extern "C" {
295# define END_EXTERN_C }
296# define EXTERN_C extern "C"
297#else
d460ef45
NIS		 298# define START_EXTERN_C
299# define END_EXTERN_C
73c4f7a1 300# define EXTERN_C extern
32f822de
GS		 301#endif
302
27da23d5
JH		 303/* Some platforms require marking function declarations
304 * for them to be exportable. Used in perlio.h, proto.h
305 * is handled either by the makedef.pl or by defining the
306 * PERL_CALLCONV to be something special. See also the
307 * definition of XS() in XSUB.h. */
308#ifndef PERL_EXPORT_C
309# define PERL_EXPORT_C extern
310#endif
311#ifndef PERL_XS_EXPORT_C
312# define PERL_XS_EXPORT_C
313#endif
314
462e5cf6
MB		 315#ifdef OP_IN_REGISTER
316# ifdef __GNUC__
317# define stringify_immed(s) #s
318# define stringify(s) stringify_immed(s)
d1ca3daa 319register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 320# endif
321#endif
322
5dc8bdac 323#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 324# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
325# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
326# endif
5dc8bdac
JH		 327#endif
328
728e2803 329/*
330 * STMT_START { statements; } STMT_END;
331 * can be used as a single statement, as in
332 * if (x) STMT_START { ... } STMT_END; else ...
333 *
334 * Trying to select a version that gives no warnings...
335 */
336#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 337# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 338# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 339# define STMT_END )
340# else
341 /* Now which other defined()s do we need here ??? */
93189314 342# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 343# define STMT_START if (1)
344# define STMT_END else (void)0
345# else
346# define STMT_START do
347# define STMT_END while (0)
348# endif
349# endif
350#endif
351
0cb96387 352#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 353#define WITH_THR(s) WITH_THX(s)
ea0efc06 354
55497cff 355/*
356 * SOFT_CAST can be used for args to prototyped functions to retain some
357 * type checking; it only casts if the compiler does not know prototypes.
358 */
359#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
360#define SOFT_CAST(type)
361#else
362#define SOFT_CAST(type) (type)
363#endif
79072805 364
d6f9c181
JH		 365#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
366# define BYTEORDER 0x1234
79072805
LW		 367#endif
368
369/* Overall memory policy? */
370#ifndef CONSERVATIVE
371# define LIBERAL 1
372#endif
373
8ada0baa
JH		 374#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
375#define ASCIIish
376#else
377#undef ASCIIish
378#endif
379
79072805
LW		 380/*
381 * The following contortions are brought to you on behalf of all the
382 * standards, semi-standards, de facto standards, not-so-de-facto standards
383 * of the world, as well as all the other botches anyone ever thought of.
384 * The basic theory is that if we work hard enough here, the rest of the
385 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
386 */
ac58e20f 387
ee0007ab 388/* define this once if either system, instead of cluttering up the src */
2986a63f 389#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 390#define DOSISH 1
391#endif
392
fb38d079 393#if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined(EPOC) || defined(NETWARE) || defined(__SYMBIAN32__)
352d5a3a
LW		 394# define STANDARD_C 1
395#endif
396
9969cdde 397#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined(EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 398# define DONT_DECLARE_STD 1
399#endif
400
352d5a3a 401#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 402# ifdef __cplusplus
cb69f87a 403# define VOL /* to temporarily suppress warnings */
79072805
LW		 404# else
405# define VOL volatile
406# endif
663a0e37 407#else
79072805 408# define VOL
663a0e37
LW		 409#endif
410
3280af22
NIS		 411#define TAINT (PL_tainted = TRUE)
412#define TAINT_NOT (PL_tainted = FALSE)
413#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
414#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 415#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 416
d460ef45 417/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 418 defines move there? If so, I could simplify this a lot. --AD 9/96.
419*/
420/* Process group stuff changed from traditional BSD to POSIX.
421 perlfunc.pod documents the traditional BSD-style syntax, so we'll
422 try to preserve that, if possible.
423*/
424#ifdef HAS_SETPGID
425# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 426#else
a6e633de 427# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
428# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
429# else
430# ifdef HAS_SETPGRP2 /* DG/UX */
431# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
432# endif
433# endif
434#endif
435#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
436# define HAS_SETPGRP /* Well, effectively it does . . . */
437#endif
438
439/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
440 our life easier :-) so we'll try it.
441*/
442#ifdef HAS_GETPGID
443# define BSD_GETPGRP(pid) getpgid((pid))
444#else
445# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
446# define BSD_GETPGRP(pid) getpgrp((pid))
447# else
448# ifdef HAS_GETPGRP2 /* DG/UX */
449# define BSD_GETPGRP(pid) getpgrp2((pid))
450# endif
451# endif
452#endif
453#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
454# define HAS_GETPGRP /* Well, effectively it does . . . */
455#endif
456
d460ef45 457/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 458 have different behaviors, but perl.h used to define USE_BSDPGRP
459 (prior to 5.003_05) so some extension might depend on it.
460*/
461#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
462# ifndef USE_BSDPGRP
463# define USE_BSDPGRP
464# endif
663a0e37
LW		 465#endif
466
8ac5a1fe
MH		 467/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
468 pthread.h must be included before all other header files.
469*/
3db8f154 470#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 471# include <pthread.h>
472#endif
473
760ac839
LW		 474#ifndef _TYPES_ /* If types.h defines this it's easy. */
475# ifndef major /* Does everyone's types.h define this? */
476# include <sys/types.h>
c07a80fd 477# endif
663a0e37
LW		 478#endif
479
760ac839
LW		 480#ifdef __cplusplus
481# ifndef I_STDARG
482# define I_STDARG 1
483# endif
484#endif
485
486#ifdef I_STDARG
487# include <stdarg.h>
488#else
489# ifdef I_VARARGS
490# include <varargs.h>
491# endif
492#endif
493
4633a7c4 494#ifdef USE_NEXT_CTYPE
0c30d9ec 495
092bebab
JH		 496#if NX_CURRENT_COMPILER_RELEASE >= 500
497# include <bsd/ctypes.h>
498#else
499# if NX_CURRENT_COMPILER_RELEASE >= 400
500# include <objc/NXCType.h>
501# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
502# include <appkit/NXCType.h>
503# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
504#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 505
506#else /* !USE_NEXT_CTYPE */
fe14fcc3 507#include <ctype.h>
0c30d9ec 508#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 509
510#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
511#undef METHOD
a0d0e21e
LW		 512#endif
513
12ae5dfc
JH		 514#ifdef PERL_MICRO
515# define NO_LOCALE
516#endif
517
4633a7c4 518#ifdef I_LOCALE
36477c24 519# include <locale.h>
4633a7c4
LW		 520#endif
521
36477c24 522#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
523# define USE_LOCALE
524# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
525 && defined(HAS_STRXFRM)
526# define USE_LOCALE_COLLATE
527# endif
528# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
529# define USE_LOCALE_CTYPE
530# endif
531# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
532# define USE_LOCALE_NUMERIC
533# endif
534#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 535
fe14fcc3 536#include <setjmp.h>
79072805 537
a0d0e21e 538#ifdef I_SYS_PARAM
79072805
LW		 539# ifdef PARAM_NEEDS_TYPES
540# include <sys/types.h>
541# endif
542# include <sys/param.h>
352d5a3a 543#endif
79072805 544
79072805 545/* Use all the "standard" definitions? */
a0d0e21e 546#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 547# include <stdlib.h>
ff68c719 548#endif
03a14243 549
3f270f98
JH		 550/* If this causes problems, set i_unistd=undef in the hint file. */
551#ifdef I_UNISTD
552# include <unistd.h>
553#endif
554
9969cdde 555#ifdef __SYMBIAN32__
27da23d5
JH		 556# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
557#endif
558
7114a2d2 559#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 560int syscall(int, ...);
561#endif
562
7114a2d2 563#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 564int usleep(unsigned int);
2ef53570
JH		 565#endif
566
9a34ef1d
GS		 567#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
568# define MYSWAP
569#endif
570
1109a392
MHM		 571#ifdef PERL_CORE
572
573/* macros for correct constant construction */
574# if INTSIZE >= 2
575# define U16_CONST(x) ((U16)x##U)
576# else
577# define U16_CONST(x) ((U16)x##UL)
578# endif
579
580# if INTSIZE >= 4
581# define U32_CONST(x) ((U32)x##U)
582# else
583# define U32_CONST(x) ((U32)x##UL)
584# endif
585
586# ifdef HAS_QUAD
587# if INTSIZE >= 8
588# define U64_CONST(x) ((U64)x##U)
589# elif LONGSIZE >= 8
590# define U64_CONST(x) ((U64)x##UL)
591# elif QUADKIND == QUAD_IS_LONG_LONG
592# define U64_CONST(x) ((U64)x##ULL)
593# else /* best guess we can make */
594# define U64_CONST(x) ((U64)x##UL)
595# endif
596# endif
597
598/* byte-swapping functions for big-/little-endian conversion */
599# define _swab_16_(x) ((U16)( \
600 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
601 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
602
603# define _swab_32_(x) ((U32)( \
604 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
605 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
606 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
607 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
608
609# ifdef HAS_QUAD
610# define _swab_64_(x) ((U64)( \
611 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
612 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
613 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
614 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
615 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
616 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
617 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
618 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
619# endif
620
621/*----------------------------------------------------------------------------*/
622# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
623/*----------------------------------------------------------------------------*/
624# define my_htole16(x) (x)
625# define my_letoh16(x) (x)
626# define my_htole32(x) (x)
627# define my_letoh32(x) (x)
628# define my_htobe16(x) _swab_16_(x)
629# define my_betoh16(x) _swab_16_(x)
630# define my_htobe32(x) _swab_32_(x)
631# define my_betoh32(x) _swab_32_(x)
632# ifdef HAS_QUAD
633# define my_htole64(x) (x)
634# define my_letoh64(x) (x)
635# define my_htobe64(x) _swab_64_(x)
636# define my_betoh64(x) _swab_64_(x)
637# endif
638# define my_htoles(x) (x)
639# define my_letohs(x) (x)
640# define my_htolei(x) (x)
641# define my_letohi(x) (x)
642# define my_htolel(x) (x)
643# define my_letohl(x) (x)
644# if SHORTSIZE == 1
645# define my_htobes(x) (x)
646# define my_betohs(x) (x)
647# elif SHORTSIZE == 2
648# define my_htobes(x) _swab_16_(x)
649# define my_betohs(x) _swab_16_(x)
650# elif SHORTSIZE == 4
651# define my_htobes(x) _swab_32_(x)
652# define my_betohs(x) _swab_32_(x)
653# elif SHORTSIZE == 8
654# define my_htobes(x) _swab_64_(x)
655# define my_betohs(x) _swab_64_(x)
656# else
657# define PERL_NEED_MY_HTOBES
658# define PERL_NEED_MY_BETOHS
659# endif
660# if INTSIZE == 1
661# define my_htobei(x) (x)
662# define my_betohi(x) (x)
663# elif INTSIZE == 2
664# define my_htobei(x) _swab_16_(x)
665# define my_betohi(x) _swab_16_(x)
666# elif INTSIZE == 4
667# define my_htobei(x) _swab_32_(x)
668# define my_betohi(x) _swab_32_(x)
669# elif INTSIZE == 8
670# define my_htobei(x) _swab_64_(x)
671# define my_betohi(x) _swab_64_(x)
672# else
673# define PERL_NEED_MY_HTOBEI
674# define PERL_NEED_MY_BETOHI
675# endif
676# if LONGSIZE == 1
677# define my_htobel(x) (x)
678# define my_betohl(x) (x)
679# elif LONGSIZE == 2
680# define my_htobel(x) _swab_16_(x)
681# define my_betohl(x) _swab_16_(x)
682# elif LONGSIZE == 4
683# define my_htobel(x) _swab_32_(x)
684# define my_betohl(x) _swab_32_(x)
685# elif LONGSIZE == 8
686# define my_htobel(x) _swab_64_(x)
687# define my_betohl(x) _swab_64_(x)
688# else
689# define PERL_NEED_MY_HTOBEL
690# define PERL_NEED_MY_BETOHL
691# endif
692# define my_htolen(p,n) NOOP
693# define my_letohn(p,n) NOOP
694# define my_htoben(p,n) my_swabn(p,n)
695# define my_betohn(p,n) my_swabn(p,n)
696/*----------------------------------------------------------------------------*/
697# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
698/*----------------------------------------------------------------------------*/
699# define my_htobe16(x) (x)
700# define my_betoh16(x) (x)
701# define my_htobe32(x) (x)
702# define my_betoh32(x) (x)
703# define my_htole16(x) _swab_16_(x)
704# define my_letoh16(x) _swab_16_(x)
705# define my_htole32(x) _swab_32_(x)
706# define my_letoh32(x) _swab_32_(x)
707# ifdef HAS_QUAD
708# define my_htobe64(x) (x)
709# define my_betoh64(x) (x)
710# define my_htole64(x) _swab_64_(x)
711# define my_letoh64(x) _swab_64_(x)
712# endif
713# define my_htobes(x) (x)
714# define my_betohs(x) (x)
715# define my_htobei(x) (x)
716# define my_betohi(x) (x)
717# define my_htobel(x) (x)
718# define my_betohl(x) (x)
719# if SHORTSIZE == 1
720# define my_htoles(x) (x)
721# define my_letohs(x) (x)
722# elif SHORTSIZE == 2
723# define my_htoles(x) _swab_16_(x)
724# define my_letohs(x) _swab_16_(x)
725# elif SHORTSIZE == 4
726# define my_htoles(x) _swab_32_(x)
727# define my_letohs(x) _swab_32_(x)
728# elif SHORTSIZE == 8
729# define my_htoles(x) _swab_64_(x)
730# define my_letohs(x) _swab_64_(x)
731# else
732# define PERL_NEED_MY_HTOLES
733# define PERL_NEED_MY_LETOHS
734# endif
735# if INTSIZE == 1
736# define my_htolei(x) (x)
737# define my_letohi(x) (x)
738# elif INTSIZE == 2
739# define my_htolei(x) _swab_16_(x)
740# define my_letohi(x) _swab_16_(x)
741# elif INTSIZE == 4
742# define my_htolei(x) _swab_32_(x)
743# define my_letohi(x) _swab_32_(x)
744# elif INTSIZE == 8
745# define my_htolei(x) _swab_64_(x)
746# define my_letohi(x) _swab_64_(x)
747# else
748# define PERL_NEED_MY_HTOLEI
749# define PERL_NEED_MY_LETOHI
750# endif
751# if LONGSIZE == 1
752# define my_htolel(x) (x)
753# define my_letohl(x) (x)
754# elif LONGSIZE == 2
755# define my_htolel(x) _swab_16_(x)
756# define my_letohl(x) _swab_16_(x)
757# elif LONGSIZE == 4
758# define my_htolel(x) _swab_32_(x)
759# define my_letohl(x) _swab_32_(x)
760# elif LONGSIZE == 8
761# define my_htolel(x) _swab_64_(x)
762# define my_letohl(x) _swab_64_(x)
763# else
764# define PERL_NEED_MY_HTOLEL
765# define PERL_NEED_MY_LETOHL
766# endif
767# define my_htolen(p,n) my_swabn(p,n)
768# define my_letohn(p,n) my_swabn(p,n)
769# define my_htoben(p,n) NOOP
770# define my_betohn(p,n) NOOP
771/*----------------------------------------------------------------------------*/
772# else /* all other byte-orders */
773/*----------------------------------------------------------------------------*/
774# define PERL_NEED_MY_HTOLE16
775# define PERL_NEED_MY_LETOH16
776# define PERL_NEED_MY_HTOBE16
777# define PERL_NEED_MY_BETOH16
778# define PERL_NEED_MY_HTOLE32
779# define PERL_NEED_MY_LETOH32
780# define PERL_NEED_MY_HTOBE32
781# define PERL_NEED_MY_BETOH32
782# ifdef HAS_QUAD
783# define PERL_NEED_MY_HTOLE64
784# define PERL_NEED_MY_LETOH64
785# define PERL_NEED_MY_HTOBE64
786# define PERL_NEED_MY_BETOH64
787# endif
788# define PERL_NEED_MY_HTOLES
789# define PERL_NEED_MY_LETOHS
790# define PERL_NEED_MY_HTOBES
791# define PERL_NEED_MY_BETOHS
792# define PERL_NEED_MY_HTOLEI
793# define PERL_NEED_MY_LETOHI
794# define PERL_NEED_MY_HTOBEI
795# define PERL_NEED_MY_BETOHI
796# define PERL_NEED_MY_HTOLEL
797# define PERL_NEED_MY_LETOHL
798# define PERL_NEED_MY_HTOBEL
799# define PERL_NEED_MY_BETOHL
800/*----------------------------------------------------------------------------*/
801# endif /* end of byte-order macros */
802/*----------------------------------------------------------------------------*/
803
9c17f24a
NC		 804/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
805 at least on FreeBSD. YMMV, so experiment. */
806#ifndef PERL_ARENA_SIZE
807#define PERL_ARENA_SIZE 4080
808#endif
809
1109a392
MHM		 810#endif /* PERL_CORE */
811
bdf3085f
NC		 812/* We no longer default to creating a new SV for GvSV.
813 Do this before embed. */
814#ifndef PERL_CREATE_GVSV
815#define PERL_DONT_CREATE_GVSV
816#endif
817
ca0c25f6
NC		 818#if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME)
819#define PERL_USES_PL_PIDSTATUS
820#endif
821
66a93824
NIS		 822/* Cannot include embed.h here on Win32 as win32.h has not
823 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
824 */
96e176bf 825#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 826# include "embed.h"
827#endif
828
c31fac66
GS		 829#define MEM_SIZE Size_t
830
1936d2a7
NC		 831/* Round all values passed to malloc up, by default to a multiple of
832 sizeof(size_t)
833*/
834#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
835#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
836#endif
837
51371543
GS		 838#if defined(STANDARD_C) && defined(I_STDDEF)
839# include <stddef.h>
840# define STRUCT_OFFSET(s,m) offsetof(s,m)
841#else
842# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
843#endif
844
9969cdde 845#ifndef __SYMBIAN32__
27da23d5
JH		 846# if defined(I_STRING) || defined(__cplusplus)
847# include <string.h>
848# else
849# include <strings.h>
850# endif
51371543
GS		 851#endif
852
55497cff 853/* This comes after <stdlib.h> so we don't try to change the standard
854 * library prototypes; we'll use our own in proto.h instead. */
03a14243 855
4633a7c4 856#ifdef MYMALLOC
86058a2d 857# ifdef PERL_POLLUTE_MALLOC
ee13e175 858# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 859# define Perl_malloc malloc
860# define Perl_calloc calloc
861# define Perl_realloc realloc
862# define Perl_mfree free
ee13e175 863# endif
86058a2d
GS		 864# else
865# define EMBEDMYMALLOC /* for compatibility */
866# endif
827e134a 867
651b9576
GS		 868# define safemalloc Perl_malloc
869# define safecalloc Perl_calloc
870# define saferealloc Perl_realloc
871# define safefree Perl_mfree
22f7c9c9
JH		 872# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
873 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
874 code; \
875 } STMT_END
876# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
877 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
878# define panic_write2(s) write(2, s, strlen(s))
879# define CHECK_MALLOC_TAINT(newval) \
880 CHECK_MALLOC_TOO_LATE_FOR_( \
881 if (newval) { \
882 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
883 exit(1); })
22f7c9c9 884# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 885 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 886 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
887 }} STMT_END;
f2517201
GS		 888#else /* MYMALLOC */
889# define safemalloc safesysmalloc
890# define safecalloc safesyscalloc
891# define saferealloc safesysrealloc
892# define safefree safesysfree
22f7c9c9
JH		 893# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
894# define CHECK_MALLOC_TAINT(newval) ((void)0)
895# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 896#endif /* MYMALLOC */
4633a7c4 897
27da23d5 898#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		 899#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
900#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
901#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
902
a0d0e21e
LW		 903#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
904#define strchr index
905#define strrchr rindex
906#endif
907
16d20bd9
AD		 908#ifdef I_MEMORY
909# include <memory.h>
910#endif
911
fe14fcc3 912#ifdef HAS_MEMCPY
85e6fe83 913# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 914# ifndef memcpy
20ce7b12 915 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 916# endif
917# endif
918#else
919# ifndef memcpy
920# ifdef HAS_BCOPY
921# define memcpy(d,s,l) bcopy(s,d,l)
922# else
923# define memcpy(d,s,l) my_bcopy(s,d,l)
924# endif
925# endif
926#endif /* HAS_MEMCPY */
fe14fcc3 927
ee0007ab 928#ifdef HAS_MEMSET
85e6fe83 929# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 930# ifndef memset
20ce7b12 931 extern char *memset (char*, int, int);
ee0007ab
LW		 932# endif
933# endif
ee0007ab 934#else
12ae5dfc 935# undef memset
fc36a67e 936# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 937#endif /* HAS_MEMSET */
938
85e6fe83 939#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 940# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 941# define memmove(d,s,l) bcopy(s,d,l)
942# else
2304df62 943# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 944# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 945# else
79072805 946# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 947# endif
352d5a3a 948# endif
d9d8d8de 949#endif
ee0007ab 950
36477c24 951#if defined(mips) && defined(ultrix) && !defined(__STDC__)
952# undef HAS_MEMCMP
953#endif
954
955#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 956# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 957# ifndef memcmp
20ce7b12 958 extern int memcmp (char*, char*, int);
ee0007ab
LW		 959# endif
960# endif
36477c24 961# ifdef BUGGY_MSC
7e4e8c89 962# pragma function(memcmp)
36477c24 963# endif
ee0007ab
LW		 964#else
965# ifndef memcmp
ecfc5424 966# define memcmp my_memcmp
352d5a3a 967# endif
36477c24 968#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 969
fc36a67e 970#ifndef memzero
c635e13b 971# ifdef HAS_MEMSET
972# define memzero(d,l) memset(d,0,l)
79072805 973# else
c635e13b 974# ifdef HAS_BZERO
975# define memzero(d,l) bzero(d,l)
79072805 976# else
fc36a67e 977# define memzero(d,l) my_bzero(d,l)
79072805
LW		 978# endif
979# endif
d9d8d8de 980#endif
378cc40b 981
2f42fcb0 982#ifndef PERL_MICRO
0f27ced1
JH		 983#ifndef memchr
984# ifndef HAS_MEMCHR
985# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
986# endif
987#endif
2f42fcb0 988#endif
0f27ced1 989
36477c24 990#ifndef HAS_BCMP
991# ifndef bcmp
992# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 993# endif
36477c24 994#endif /* !HAS_BCMP */
378cc40b 995
ae986130 996#ifdef I_NETINET_IN
79072805 997# include <netinet/in.h>
ae986130
LW		 998#endif
999
28e8609d
JH		 1000#ifdef I_ARPA_INET
1001# include <arpa/inet.h>
1002#endif
1003
84902520
TB		 1004#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
1005/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
1006 * (the neo-BSD seem to do this). */
1007# undef SF_APPEND
1008#endif
1009
1aef975c 1010#ifdef I_SYS_STAT
84902520 1011# include <sys/stat.h>
1aef975c 1012#endif
79072805 1013
a0d0e21e
LW		 1014/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1015 like UTekV) are broken, sometimes giving false positives. Undefine
1016 them here and let the code below set them to proper values.
1017
1018 The ghs macro stands for GreenHills Software C-1.8.5 which
1019 is the C compiler for sysV88 and the various derivatives.
1020 This header file bug is corrected in gcc-2.5.8 and later versions.
1021 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1022
1023#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1024# undef S_ISDIR
1025# undef S_ISCHR
1026# undef S_ISBLK
1027# undef S_ISREG
1028# undef S_ISFIFO
1029# undef S_ISLNK
ee0007ab 1030#endif
135863df 1031
663a0e37
LW		 1032#ifdef I_TIME
1033# include <time.h>
ffed7fef 1034#endif
663a0e37 1035
fe14fcc3 1036#ifdef I_SYS_TIME
85e6fe83 1037# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1038# define KERNEL
1039# endif
1040# include <sys/time.h>
85e6fe83 1041# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1042# undef KERNEL
1043# endif
a687059c 1044#endif
135863df 1045
55497cff 1046#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1047# include <sys/times.h>
d9d8d8de 1048#endif
8d063cd8 1049
fe14fcc3 1050#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1051# undef HAS_STRERROR
663a0e37
LW		 1052#endif
1053
1054#include <errno.h>
1e743fda 1055
acfe0abc 1056#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1057# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1058#endif
1059
8cfab5ff
JH		 1060/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1061 * This is important for using IPv6.
1062 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1063 * a bad idea since it breaks send() and recv(). */
1064#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1065# define _SOCKADDR_LEN
1066#endif
1067
8d3f517a 1068#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1069# include <sys/socket.h>
1070# if defined(USE_SOCKS) && defined(I_SOCKS)
1071# if !defined(INCLUDE_PROTOTYPES)
1072# define INCLUDE_PROTOTYPES /* for <socks.h> */
1073# define PERL_SOCKS_NEED_PROTOTYPES
1074# endif
1075# include <socks.h>
1076# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1077# undef INCLUDE_PROTOTYPES
1078# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1079# endif
d460ef45 1080# endif
1e743fda 1081# ifdef I_NETDB
2986a63f
JH		 1082# ifdef NETWARE
1083# include<stdio.h>
1084# endif
1e743fda
JH		 1085# include <netdb.h>
1086# endif
1087# ifndef ENOTSOCK
1088# ifdef I_NET_ERRNO
1089# include <net/errno.h>
1090# endif
1091# endif
1092#endif
1093
fa0a29af 1094/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1095 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1096 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1097#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1098# if defined(__THROW) && defined(__GLIBC__)
1099int sockatmark(int) __THROW;
1100# else
2ef53570 1101int sockatmark(int);
29820b6d 1102# endif
2ef53570
JH		 1103#endif
1104
1e743fda
JH		 1105#ifdef SETERRNO
1106# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1107#endif
f86702cc 1108
1109#ifdef VMS
1110# define SETERRNO(errcode,vmserrcode) \
1111 STMT_START { \
1112 set_errno(errcode); \
1113 set_vaxc_errno(vmserrcode); \
1114 } STMT_END
93189314
JH		 1115# define LIB_INVARG LIB$_INVARG
1116# define RMS_DIR RMS$_DIR
1117# define RMS_FAC RMS$_FAC
1118# define RMS_FEX RMS$_FEX
1119# define RMS_FNF RMS$_FNF
1120# define RMS_IFI RMS$_IFI
1121# define RMS_ISI RMS$_ISI
1122# define RMS_PRV RMS$_PRV
1123# define SS_ACCVIO SS$_ACCVIO
1124# define SS_DEVOFFLINE SS$_DEVOFFLINE
1125# define SS_IVCHAN SS$_IVCHAN
1126# define SS_NORMAL SS$_NORMAL
748a9306 1127#else
aba27d88 1128# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1129# define LIB_INVARG 0
1130# define RMS_DIR 0
1131# define RMS_FAC 0
1132# define RMS_FEX 0
1133# define RMS_FNF 0
1134# define RMS_IFI 0
1135# define RMS_ISI 0
1136# define RMS_PRV 0
1137# define SS_ACCVIO 0
1138# define SS_DEVOFFLINE 0
1139# define SS_IVCHAN 0
1140# define SS_NORMAL 0
748a9306 1141#endif
ed6116ce 1142
3db8f154 1143#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1144/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1145#define DEFSV GvSVn(PL_defgv)
3db8f154 1146#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1147
98eae8f5
GS		 1148#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1149
55497cff 1150#ifndef errno
5ff3f7a4
GS		 1151 extern int errno; /* ANSI allows errno to be an lvalue expr.
1152 * For example in multithreaded environments
1153 * something like this might happen:
1154 * extern int *_errno(void);
1155 * #define errno (*_errno()) */
d9d8d8de 1156#endif
663a0e37 1157
2304df62 1158#ifdef HAS_STRERROR
a0d0e21e 1159# ifdef VMS
20ce7b12 1160 char *strerror (int,...);
a0d0e21e 1161# else
68dc0745 1162#ifndef DONT_DECLARE_STD
20ce7b12 1163 char *strerror (int);
68dc0745 1164#endif
a0d0e21e 1165# endif
2304df62
AD		 1166# ifndef Strerror
1167# define Strerror strerror
1168# endif
1169#else
1170# ifdef HAS_SYS_ERRLIST
79072805
LW		 1171 extern int sys_nerr;
1172 extern char *sys_errlist[];
2304df62
AD		 1173# ifndef Strerror
1174# define Strerror(e) \
79072805 1175 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1176# endif
79072805 1177# endif
35c8bce7 1178#endif
663a0e37 1179
2304df62 1180#ifdef I_SYS_IOCTL
79072805
LW		 1181# ifndef _IOCTL_
1182# include <sys/ioctl.h>
1183# endif
a687059c
LW		 1184#endif
1185
ee0007ab 1186#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1187# ifdef HAS_SOCKETPAIR
1188# undef HAS_SOCKETPAIR
1189# endif
2304df62
AD		 1190# ifdef I_NDBM
1191# undef I_NDBM
79072805 1192# endif
a687059c
LW		 1193#endif
1194
02fc2eee
NC		 1195#ifndef HAS_SOCKETPAIR
1196# ifdef HAS_SOCKET
1197# define socketpair Perl_my_socketpair
1198# endif
1199#endif
1200
a687059c 1201#if INTSIZE == 2
79072805
LW		 1202# define htoni htons
1203# define ntohi ntohs
a687059c 1204#else
79072805
LW		 1205# define htoni htonl
1206# define ntohi ntohl
a687059c
LW		 1207#endif
1208
a0d0e21e 1209/* Configure already sets Direntry_t */
35c8bce7 1210#if defined(I_DIRENT)
663a0e37 1211# include <dirent.h>
8f1f23e8
W		 1212 /* NeXT needs dirent + sys/dir.h */
1213# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1214# include <sys/dir.h>
1215# endif
ae986130 1216#else
fe14fcc3 1217# ifdef I_SYS_NDIR
79a0689e 1218# include <sys/ndir.h>
663a0e37 1219# else
fe14fcc3 1220# ifdef I_SYS_DIR
79a0689e
LW		 1221# ifdef hp9000s500
1222# include <ndir.h> /* may be wrong in the future */
1223# else
1224# include <sys/dir.h>
1225# endif
663a0e37
LW		 1226# endif
1227# endif
4633a7c4 1228#endif
a687059c 1229
12ae5dfc
JH		 1230#ifdef PERL_MICRO
1231# ifndef DIR
1232# define DIR void
1233# endif
1234#endif
1235
352d5a3a
LW		 1236#ifdef FPUTS_BOTCH
1237/* work around botch in SunOS 4.0.1 and 4.0.2 */
1238# ifndef fputs
79072805 1239# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1240# endif
1241#endif
1242
c623bd54
LW		 1243/*
1244 * The following gobbledygook brought to you on behalf of __STDC__.
1245 * (I could just use #ifndef __STDC__, but this is more bulletproof
1246 * in the face of half-implementations.)
1247 */
1248
7114a2d2 1249#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1250#include <sys/mode.h>
1251#endif
1252
c623bd54
LW		 1253#ifndef S_IFMT
1254# ifdef _S_IFMT
1255# define S_IFMT _S_IFMT
1256# else
1257# define S_IFMT 0170000
1258# endif
1259#endif
1260
1261#ifndef S_ISDIR
1262# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1263#endif
1264
1265#ifndef S_ISCHR
1266# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1267#endif
1268
1269#ifndef S_ISBLK
fe14fcc3
LW		 1270# ifdef S_IFBLK
1271# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1272# else
1273# define S_ISBLK(m) (0)
1274# endif
c623bd54
LW		 1275#endif
1276
1277#ifndef S_ISREG
1278# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1279#endif
1280
1281#ifndef S_ISFIFO
fe14fcc3
LW		 1282# ifdef S_IFIFO
1283# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1284# else
1285# define S_ISFIFO(m) (0)
1286# endif
c623bd54
LW		 1287#endif
1288
1289#ifndef S_ISLNK
1290# ifdef _S_ISLNK
1291# define S_ISLNK(m) _S_ISLNK(m)
1292# else
1293# ifdef _S_IFLNK
1294# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1295# else
1296# ifdef S_IFLNK
1297# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1298# else
1299# define S_ISLNK(m) (0)
1300# endif
1301# endif
1302# endif
1303#endif
1304
1305#ifndef S_ISSOCK
1306# ifdef _S_ISSOCK
1307# define S_ISSOCK(m) _S_ISSOCK(m)
1308# else
1309# ifdef _S_IFSOCK
1310# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1311# else
1312# ifdef S_IFSOCK
1313# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1314# else
1315# define S_ISSOCK(m) (0)
1316# endif
1317# endif
1318# endif
1319#endif
1320
1321#ifndef S_IRUSR
1322# ifdef S_IREAD
1323# define S_IRUSR S_IREAD
1324# define S_IWUSR S_IWRITE
1325# define S_IXUSR S_IEXEC
1326# else
1327# define S_IRUSR 0400
1328# define S_IWUSR 0200
1329# define S_IXUSR 0100
1330# endif
fac7cdfc
JS		 1331#endif
1332
1333#ifndef S_IRGRP
1334# ifdef S_IRUSR
1335# define S_IRGRP (S_IRUSR>>3)
1336# define S_IWGRP (S_IWUSR>>3)
1337# define S_IXGRP (S_IXUSR>>3)
1338# else
1339# define S_IRGRP 0040
1340# define S_IWGRP 0020
1341# define S_IXGRP 0010
1342# endif
1343#endif
1344
1345#ifndef S_IROTH
1346# ifdef S_IRUSR
1347# define S_IROTH (S_IRUSR>>6)
1348# define S_IWOTH (S_IWUSR>>6)
1349# define S_IXOTH (S_IXUSR>>6)
1350# else
1351# define S_IROTH 0040
1352# define S_IWOTH 0020
1353# define S_IXOTH 0010
1354# endif
c623bd54
LW		 1355#endif
1356
1357#ifndef S_ISUID
1358# define S_ISUID 04000
1359#endif
1360
1361#ifndef S_ISGID
1362# define S_ISGID 02000
1363#endif
1364
ca6e1c26
JH		 1365#ifndef S_IRWXU
1366# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1367#endif
ca6e1c26
JH		 1368
1369#ifndef S_IRWXG
1370# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1371#endif
ca6e1c26
JH		 1372
1373#ifndef S_IRWXO
1374# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1375#endif
ca6e1c26 1376
c21fb2b8
JH		 1377/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1378 * which would get included through <sys/file.h >, but that is 3000
1379 * lines in the future. --jhi */
1380
1381#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1382# define S_IREAD S_IRUSR
1383#endif
1384
c21fb2b8 1385#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1386# define S_IWRITE S_IWUSR
1387#endif
1388
1389#ifndef S_IEXEC
1390# define S_IEXEC S_IXUSR
1391#endif
1392
79072805
LW		 1393#ifdef ff_next
1394# undef ff_next
352d5a3a
LW		 1395#endif
1396
a0d0e21e 1397#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1398# define SLOPPYDIVIDE
1399#endif
1400
748a9306
LW		 1401#ifdef UV
1402#undef UV
1403#endif
1404
c89df6bf
JH		 1405#ifdef SPRINTF_E_BUG
1406# define sprintf UTS_sprintf_wrap
1407#endif
1408
ce582cee
NC		 1409/* For the times when you want the return value of sprintf, and you want it
1410 to be the length. Can't have a thread variable passed in, because C89 has
1411 no varargs macros.
1412*/
1413#ifdef SPRINTF_RETURNS_STRLEN
1414# define my_sprintf sprintf
1415#else
1416# define my_sprintf Perl_my_sprintf
1417#endif
1418
c495e728
JH		 1419/* Configure gets this right but the UTS compiler gets it wrong.
1420 -- Hal Morris <hom00@utsglobal.com> */
1421#ifdef UTS
1422# undef UVTYPE
1423# define UVTYPE unsigned
1424#endif
1425
05f13f53 1426/*
27d4fb96 1427 The IV type is supposed to be long enough to hold any integral
1428 value or a pointer.
1429 --Andy Dougherty August 1996
1430*/
1431
a22e52b9
JH		 1432typedef IVTYPE IV;
1433typedef UVTYPE UV;
8175356b 1434
10cc9d2a 1435#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1436# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1437# define IV_MAX INT64_MAX
1438# define IV_MIN INT64_MIN
1439# define UV_MAX UINT64_MAX
cae7ae48
JH		 1440# ifndef UINT64_MIN
1441# define UINT64_MIN 0
1442# endif
5ff3f7a4
GS		 1443# define UV_MIN UINT64_MIN
1444# else
1445# define IV_MAX PERL_QUAD_MAX
1446# define IV_MIN PERL_QUAD_MIN
1447# define UV_MAX PERL_UQUAD_MAX
1448# define UV_MIN PERL_UQUAD_MIN
1449# endif
cf2093f6
JH		 1450# define IV_IS_QUAD
1451# define UV_IS_QUAD
79072805 1452#else
8175356b 1453# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1454# define IV_MAX INT32_MAX
1455# define IV_MIN INT32_MIN
716026f9
DL		 1456# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1457# define UV_MAX UINT32_MAX
1458# else
1459# define UV_MAX 4294967295U
1460# endif
cae7ae48
JH		 1461# ifndef UINT32_MIN
1462# define UINT32_MIN 0
1463# endif
5ff3f7a4
GS		 1464# define UV_MIN UINT32_MIN
1465# else
1466# define IV_MAX PERL_LONG_MAX
1467# define IV_MIN PERL_LONG_MIN
1468# define UV_MAX PERL_ULONG_MAX
1469# define UV_MIN PERL_ULONG_MIN
1470# endif
8175356b 1471# if IVSIZE == 8
cf2093f6
JH		 1472# define IV_IS_QUAD
1473# define UV_IS_QUAD
de1c2614
JH		 1474# ifndef HAS_QUAD
1475# define HAS_QUAD
1476# endif
cf2093f6
JH		 1477# else
1478# undef IV_IS_QUAD
1479# undef UV_IS_QUAD
de1c2614 1480# undef HAS_QUAD
cf2093f6 1481# endif
79072805 1482#endif
d7d93a81 1483
1109a392
MHM		 1484#ifndef HAS_QUAD
1485# undef PERL_NEED_MY_HTOLE64
1486# undef PERL_NEED_MY_LETOH64
1487# undef PERL_NEED_MY_HTOBE64
1488# undef PERL_NEED_MY_BETOH64
1489#endif
1490
6cde8aec 1491#if defined(uts) || defined(UTS)
11afe549
HM		 1492# undef UV_MAX
1493# define UV_MAX (4294967295u)
20601011
JH		 1494#endif
1495
cae7ae48 1496#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1497#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1498
28e5dec8 1499#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1500#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1501#endif
1502
d460ef45 1503/*
26bb67e2
JH		 1504 * The macros INT2PTR and NUM2PTR are (despite their names)
1505 * bi-directional: they will convert int/float to or from pointers.
1506 * However the conversion to int/float are named explicitly:
1507 * PTR2IV, PTR2UV, PTR2NV.
1508 *
1509 * For int conversions we do not need two casts if pointers are
1510 * the same size as IV and UV. Otherwise we need an explicit
1511 * cast (PTRV) to avoid compiler warnings.
1512 */
56431972
RB		 1513#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1514# define PTRV UV
1515# define INT2PTR(any,d) (any)(d)
1516#else
d460ef45 1517# if PTRSIZE == LONGSIZE
56431972 1518# define PTRV unsigned long
e91e3b10 1519# define PTR2ul(p) (unsigned long)(p)
42718184 1520# else
56431972 1521# define PTRV unsigned
42718184 1522# endif
e91e3b10
RB		 1523#endif
1524
1525#ifndef INT2PTR
56431972 1526# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1527#endif
e91e3b10
RB		 1528
1529#ifndef PTR2ul
1530# define PTR2ul(p) INT2PTR(unsigned long,p)
1531#endif
1532
56431972
RB		 1533#define NUM2PTR(any,d) (any)(PTRV)(d)
1534#define PTR2IV(p) INT2PTR(IV,p)
1535#define PTR2UV(p) INT2PTR(UV,p)
1536#define PTR2NV(p) NUM2PTR(NV,p)
e91e3b10 1537#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
d460ef45 1538
8141890a
JH		 1539/* According to strict ANSI C89 one cannot freely cast between
1540 * data pointers and function (code) pointers. There are at least
1541 * two ways around this. One (used below) is to do two casts,
1542 * first the other pointer to an (unsigned) integer, and then
1543 * the integer to the other pointer. The other way would be
1544 * to use unions to "overlay" the pointers. For an example of
1545 * the latter technique, see union dirpu in struct xpvio in sv.h.
1546 * The only feasible use is probably temporarily storing
1547 * function pointers in a data pointer (such as a void pointer). */
1548
e91e3b10
RB		 1549#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1550#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
8141890a 1551
65202027 1552#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1553# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1554# define LONG_DOUBLE_EQUALS_DOUBLE
1555# endif
68d4903c 1556# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1557# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1558# endif
1559#endif
1560
2d4389e4
JH		 1561#ifdef OVR_DBL_DIG
1562/* Use an overridden DBL_DIG */
1563# ifdef DBL_DIG
1564# undef DBL_DIG
1565# endif
1566# define DBL_DIG OVR_DBL_DIG
1567#else
1568/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1569 default value for printing floating point numbers in Gconvert
1570 (see config.h). (It also has other uses, such as figuring out if
1571 a given precision of printing can be done with a double instead of
1572 a long double - Allen).
2d4389e4
JH		 1573*/
1574#ifdef I_LIMITS
1575#include <limits.h>
1576#endif
1577#ifdef I_FLOAT
1578#include <float.h>
1579#endif
1580#ifndef HAS_DBL_DIG
1581#define DBL_DIG 15 /* A guess that works lots of places */
1582#endif
1583#endif
cbca01e1
JH		 1584#ifdef I_FLOAT
1585#include <float.h>
1586#endif
1587#ifndef HAS_DBL_DIG
1588#define DBL_DIG 15 /* A guess that works lots of places */
1589#endif
2d4389e4
JH		 1590
1591#ifdef OVR_LDBL_DIG
1592/* Use an overridden LDBL_DIG */
1593# ifdef LDBL_DIG
1594# undef LDBL_DIG
1595# endif
1596# define LDBL_DIG OVR_LDBL_DIG
1597#else
1598/* The following is all to get LDBL_DIG, in order to pick a nice
1599 default value for printing floating point numbers in Gconvert.
1600 (see config.h)
1601*/
68d4903c
JH		 1602# ifdef I_LIMITS
1603# include <limits.h>
1604# endif
1605# ifdef I_FLOAT
1606# include <float.h>
1607# endif
1608# ifndef HAS_LDBL_DIG
1609# if LONG_DOUBLESIZE == 10
1610# define LDBL_DIG 18 /* assume IEEE */
1611# else
1612# if LONG_DOUBLESIZE == 12
1613# define LDBL_DIG 18 /* gcc? */
1614# else
1615# if LONG_DOUBLESIZE == 16
1616# define LDBL_DIG 33 /* assume IEEE */
1617# else
1618# if LONG_DOUBLESIZE == DOUBLESIZE
1619# define LDBL_DIG DBL_DIG /* bummer */
1620# endif
1621# endif
1622# endif
1623# endif
1624# endif
2d4389e4
JH		 1625#endif
1626
20f6aaab
AS		 1627/*
1628 * This is for making sure we have a good DBL_MAX value, if possible,
1629 * either for usage as NV_MAX or for usage in figuring out if we can
1630 * fit a given long double into a double, if bug-fixing makes it
1631 * necessary to do so. - Allen <allens@cpan.org>
1632 */
1633
205f51d8
AS		 1634#ifdef I_LIMITS
1635# include <limits.h>
20f6aaab
AS		 1636#endif
1637
205f51d8
AS		 1638#ifdef I_VALUES
1639# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1640# include <values.h>
1641# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1642# define DBL_MAX MAXDOUBLE
1643# endif
1644# if defined(MINDOUBLE) && !defined(DBL_MIN)
1645# define DBL_MIN MINDOUBLE
1646# endif
1647# endif
1648#endif /* defined(I_VALUES) */
1649
a22e52b9 1650typedef NVTYPE NV;
8175356b 1651
792d8dab
JH		 1652#ifdef I_IEEEFP
1653# include <ieeefp.h>
1654#endif
923fc586 1655
65202027 1656#ifdef USE_LONG_DOUBLE
923fc586
JH		 1657# ifdef I_SUNMATH
1658# include <sunmath.h>
1659# endif
2d4389e4 1660# define NV_DIG LDBL_DIG
d6c14000
JH		 1661# ifdef LDBL_MANT_DIG
1662# define NV_MANT_DIG LDBL_MANT_DIG
1663# endif
06fc1729
JH		 1664# ifdef LDBL_MIN
1665# define NV_MIN LDBL_MIN
1666# endif
1667# ifdef LDBL_MAX
1668# define NV_MAX LDBL_MAX
1669# endif
1670# ifdef LDBL_MIN_10_EXP
1671# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1672# endif
1673# ifdef LDBL_MAX_10_EXP
1674# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1675# endif
1676# ifdef LDBL_EPSILON
1677# define NV_EPSILON LDBL_EPSILON
1678# endif
f4a14a62
JH		 1679# ifdef LDBL_MAX
1680# define NV_MAX LDBL_MAX
20f6aaab 1681/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1682# else
1683# ifdef HUGE_VALL
1684# define NV_MAX HUGE_VALL
1685# else
1686# ifdef HUGE_VAL
1687# define NV_MAX ((NV)HUGE_VAL)
1688# endif
1689# endif
1690# endif
68d4903c 1691# ifdef HAS_SQRTL
68d4903c
JH		 1692# define Perl_cos cosl
1693# define Perl_sin sinl
1694# define Perl_sqrt sqrtl
1695# define Perl_exp expl
1696# define Perl_log logl
1697# define Perl_atan2 atan2l
1698# define Perl_pow powl
1699# define Perl_floor floorl
1bbae031 1700# define Perl_ceil ceill
68d4903c
JH		 1701# define Perl_fmod fmodl
1702# endif
a3540c92
JH		 1703/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1704# ifdef HAS_MODFL
1705# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1706/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1707 prototype in <math.h> */
1708# ifndef HAS_MODFL_PROTO
a221a8a5 1709EXTERN_C long double modfl(long double, long double *);
51997bc3 1710# endif
03476e8e
JH		 1711# else
1712# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1713 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1714# define Perl_modf(x,y) Perl_my_modfl(x,y)
1715# endif
a3540c92
JH		 1716# endif
1717# ifdef HAS_FREXPL
dff3e0b8 1718# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1719# else
1720# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1721 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1722# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1723# endif
a3540c92 1724# endif
38dbb4c5 1725# ifndef Perl_isnan
758a5d79
JH		 1726# ifdef HAS_ISNANL
1727# define Perl_isnan(x) isnanl(x)
1728# endif
1729# endif
1730# ifndef Perl_isinf
1731# ifdef HAS_FINITEL
1732# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1733# endif
1734# endif
65202027 1735#else
2d4389e4 1736# define NV_DIG DBL_DIG
d6c14000
JH		 1737# ifdef DBL_MANT_DIG
1738# define NV_MANT_DIG DBL_MANT_DIG
1739# endif
06fc1729
JH		 1740# ifdef DBL_MIN
1741# define NV_MIN DBL_MIN
1742# endif
1743# ifdef DBL_MAX
1744# define NV_MAX DBL_MAX
1745# endif
1746# ifdef DBL_MIN_10_EXP
1747# define NV_MIN_10_EXP DBL_MIN_10_EXP
1748# endif
1749# ifdef DBL_MAX_10_EXP
1750# define NV_MAX_10_EXP DBL_MAX_10_EXP
1751# endif
1752# ifdef DBL_EPSILON
1753# define NV_EPSILON DBL_EPSILON
1754# endif
205f51d8 1755# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1756# define NV_MAX DBL_MAX
1757# define NV_MIN DBL_MIN
1758# else
1759# ifdef HUGE_VAL
1760# define NV_MAX HUGE_VAL
1761# endif
1762# endif
65202027
DS		 1763# define Perl_cos cos
1764# define Perl_sin sin
1765# define Perl_sqrt sqrt
1766# define Perl_exp exp
1767# define Perl_log log
1768# define Perl_atan2 atan2
1769# define Perl_pow pow
1770# define Perl_floor floor
1bbae031 1771# define Perl_ceil ceil
65202027 1772# define Perl_fmod fmod
a3540c92 1773# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1774# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1775#endif
1776
1777/* rumor has it that Win32 has _fpclass() */
1778
205f51d8
AS		 1779/* SGI has fpclassl... but not with the same result values,
1780 * and it's via a typedef (not via #define), so will need to redo Configure
1781 * to use. Not worth the trouble, IMO, at least until the below is used
1782 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1783 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1784 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1785
758a5d79
JH		 1786#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1787# ifdef I_IEEFP
1788# include <ieeefp.h>
1789# endif
1790# ifdef I_FP
1791# include <fp.h>
1792# endif
1793# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1794# define Perl_fp_class() fpclassl(x)
1795# else
1796# define Perl_fp_class() fpclass(x)
1797# endif
1798# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1799# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1800# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1801# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1802# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1803# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1804# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1805# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1806# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1807# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1808# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1809# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1810# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1811# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1812# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1813#endif
1814
7114a2d2 1815#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1816# include <math.h>
1817# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1818# include <fp_class.h>
1819# endif
1820# define Perl_fp_class(x) fp_class(x)
1821# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1822# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1823# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1824# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1825# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1826# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1827# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1828# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1829# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1830# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1831# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1832# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1833# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1834# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1835# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1836#endif
1837
1838#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1839# include <math.h>
1840# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1841# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1842# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1843# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1844# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1845# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1846#endif
1847
1848#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1849# include <math.h>
1850# ifndef _cplusplus
1851# define Perl_fp_class(x) class(x)
1852# else
1853# define Perl_fp_class(x) _class(x)
1854# endif
1855# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1856# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1857# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1858# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1859# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1860# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1861# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1862# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1863# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1864# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1865# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1866# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1867# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1868# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1869# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1870#endif
1871
1872/* rumor has it that Win32 has _isnan() */
1873
1874#ifndef Perl_isnan
a3540c92 1875# ifdef HAS_ISNAN
758a5d79
JH		 1876# define Perl_isnan(x) isnan((NV)x)
1877# else
1878# ifdef Perl_fp_class_nan
1879# define Perl_isnan(x) Perl_fp_class_nan(x)
1880# else
1881# ifdef HAS_UNORDERED
1882# define Perl_isnan(x) unordered((x), 0.0)
1883# else
1884# define Perl_isnan(x) ((x)!=(x))
1885# endif
1886# endif
1887# endif
1888#endif
1889
ca6c63e1
JH		 1890#ifdef UNDER_CE
1891int isnan(double d);
1892#endif
1893
758a5d79
JH		 1894#ifndef Perl_isinf
1895# ifdef HAS_ISINF
1896# define Perl_isinf(x) isinf((NV)x)
a3540c92 1897# else
758a5d79
JH		 1898# ifdef Perl_fp_class_inf
1899# define Perl_isinf(x) Perl_fp_class_inf(x)
1900# else
1901# define Perl_isinf(x) ((x)==NV_INF)
1902# endif
1903# endif
1904#endif
1905
1906#ifndef Perl_isfinite
1907# ifdef HAS_FINITE
1908# define Perl_isfinite(x) finite((NV)x)
1909# else
1910# ifdef HAS_ISFINITE
1911# define Perl_isfinite(x) isfinite(x)
1912# else
1913# ifdef Perl_fp_class_finite
1914# define Perl_isfinite(x) Perl_fp_class_finite(x)
1915# else
1916# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1917# endif
1918# endif
a3540c92 1919# endif
65202027
DS		 1920#endif
1921
a36244b7
JH		 1922/* The default is to use Perl's own atof() implementation (in numeric.c).
1923 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1924 * it is however best to use the native implementation of atof.
1925 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1926 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1927 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1928 * you may need to be using a different function than atof! */
a36244b7
JH		 1929
1930#ifndef USE_PERL_ATOF
1931# ifndef _UNICOS
1932# define USE_PERL_ATOF
1933# endif
1934#else
1935# if USE_PERL_ATOF == 0
1936# undef USE_PERL_ATOF
1937# endif
1938#endif
1939
1940#ifdef USE_PERL_ATOF
1941# define Perl_atof(s) Perl_my_atof(s)
1942# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1943#else
1944# define Perl_atof(s) (NV)atof(s)
1945# define Perl_atof2(s, n) ((n) = atof(s))
1946#endif
cf2093f6 1947
d460ef45 1948/* Previously these definitions used hardcoded figures.
760ac839
LW		 1949 * It is hoped these formula are more portable, although
1950 * no data one way or another is presently known to me.
1951 * The "PERL_" names are used because these calculated constants
1952 * do not meet the ANSI requirements for LONG_MAX, etc., which
1953 * need to be constants acceptable to #if - kja
1954 * define PERL_LONG_MAX 2147483647L
1955 * define PERL_LONG_MIN (-LONG_MAX - 1)
1956 * define PERL ULONG_MAX 4294967295L
1957 */
1958
1959#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1960# include <limits.h>
760ac839 1961#endif
205f51d8
AS		 1962/* Included values.h above if necessary; still including limits.h down here,
1963 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1964
99abf803 1965/*
1966 * Try to figure out max and min values for the integral types. THE CORRECT
1967 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1968 * following hacks are used if neither limits.h or values.h provide them:
1969 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1970 * for types < int: (unsigned TYPE)~(unsigned)0
1971 * The argument to ~ must be unsigned so that later signed->unsigned
1972 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1973 * and it must not be smaller than int because ~ does integral promotion.
1974 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1975 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1976 * The latter is a hack which happens to work on some machines but
1977 * does *not* catch any random system, or things like integer types
1978 * with NaN if that is possible.
1979 *
1980 * All of the types are explicitly cast to prevent accidental loss of
1981 * numeric range, and in the hope that they will be less likely to confuse
1982 * over-eager optimizers.
1983 *
1984 */
27d4fb96 1985
99abf803 1986#define PERL_UCHAR_MIN ((unsigned char)0)
1987
1988#ifdef UCHAR_MAX
1989# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1990#else
99abf803 1991# ifdef MAXUCHAR
1992# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1993# else
99abf803 1994# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1995# endif
1996#endif
d460ef45 1997
99abf803 1998/*
1999 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
2000 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
2001 * depending on local options. Until Configure detects this (or at least
2002 * detects whether the "signed" keyword is available) the CHAR ranges
2003 * will not be included. UCHAR functions normally.
2004 * - kja
2005 */
27d4fb96 2006
99abf803 2007#define PERL_USHORT_MIN ((unsigned short)0)
2008
2009#ifdef USHORT_MAX
2010# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 2011#else
99abf803 2012# ifdef MAXUSHORT
2013# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 2014# else
ef2f54b0
CB		 2015# ifdef USHRT_MAX
2016# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
2017# else
2018# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
2019# endif
27d4fb96 2020# endif
2021#endif
2022
27d4fb96 2023#ifdef SHORT_MAX
99abf803 2024# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2025#else
2026# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2027# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2028# else
ef2f54b0
CB		 2029# ifdef SHRT_MAX
2030# define PERL_SHORT_MAX ((short)SHRT_MAX)
2031# else
2032# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2033# endif
27d4fb96 2034# endif
2035#endif
2036
2037#ifdef SHORT_MIN
99abf803 2038# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2039#else
2040# ifdef MINSHORT
99abf803 2041# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2042# else
ef2f54b0
CB		 2043# ifdef SHRT_MIN
2044# define PERL_SHORT_MIN ((short)SHRT_MIN)
2045# else
2046# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2047# endif
27d4fb96 2048# endif
2049#endif
2050
99abf803 2051#ifdef UINT_MAX
2052# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2053#else
99abf803 2054# ifdef MAXUINT
2055# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2056# else
99abf803 2057# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2058# endif
2059#endif
2060
99abf803 2061#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2062
2063#ifdef INT_MAX
99abf803 2064# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2065#else
2066# ifdef MAXINT /* Often used in <values.h> */
99abf803 2067# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2068# else
99abf803 2069# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2070# endif
2071#endif
2072
2073#ifdef INT_MIN
99abf803 2074# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2075#else
2076# ifdef MININT
99abf803 2077# define PERL_INT_MIN ((int)MININT)
27d4fb96 2078# else
2079# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2080# endif
2081#endif
2082
99abf803 2083#ifdef ULONG_MAX
2084# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2085#else
99abf803 2086# ifdef MAXULONG
2087# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2088# else
99abf803 2089# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2090# endif
2091#endif
2092
99abf803 2093#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2094
760ac839 2095#ifdef LONG_MAX
99abf803 2096# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2097#else
2098# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2099# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2100# else
99abf803 2101# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2102# endif
2103#endif
2104
2105#ifdef LONG_MIN
99abf803 2106# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2107#else
2108# ifdef MINLONG
99abf803 2109# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2110# else
27d4fb96 2111# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2112# endif
2113#endif
2114
d7d93a81 2115#ifdef UV_IS_QUAD
99abf803 2116
99abf803 2117# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2118# define PERL_UQUAD_MIN ((UV)0)
99abf803 2119# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2120# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2121
79072805
LW		 2122#endif
2123
22f7c9c9
JH		 2124#ifdef MYMALLOC
2125# include "malloc_ctl.h"
2126#endif
2127
830247a4 2128struct RExC_state_t;
880b20b6 2129
ee0007ab 2130typedef MEM_SIZE STRLEN;
450a55e4 2131
79072805
LW		 2132typedef struct op OP;
2133typedef struct cop COP;
2134typedef struct unop UNOP;
2135typedef struct binop BINOP;
2136typedef struct listop LISTOP;
2137typedef struct logop LOGOP;
79072805
LW		 2138typedef struct pmop PMOP;
2139typedef struct svop SVOP;
7934575e 2140typedef struct padop PADOP;
79072805 2141typedef struct pvop PVOP;
79072805
LW		 2142typedef struct loop LOOP;
2143
93a17b20 2144typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2145
2146/* Amdahl's <ksync.h> has struct sv */
2147/* SGI's <sys/sema.h> has struct sv */
2148#if defined(UTS) || defined(__sgi)
2149# define STRUCT_SV perl_sv
b8d3c5db
JH		 2150#else
2151# define STRUCT_SV sv
2152#endif
2153typedef struct STRUCT_SV SV;
79072805
LW		 2154typedef struct av AV;
2155typedef struct hv HV;
2156typedef struct cv CV;
378cc40b 2157typedef struct regexp REGEXP;
79072805 2158typedef struct gp GP;
0c30d9ec 2159typedef struct gv GV;
8990e307 2160typedef struct io IO;
c09156bb 2161typedef struct context PERL_CONTEXT;
79072805
LW		 2162typedef struct block BLOCK;
2163
2164typedef struct magic MAGIC;
2165typedef struct xpv XPV;
2166typedef struct xpviv XPVIV;
ff68c719 2167typedef struct xpvuv XPVUV;
79072805
LW		 2168typedef struct xpvnv XPVNV;
2169typedef struct xpvmg XPVMG;
2170typedef struct xpvlv XPVLV;
2171typedef struct xpvav XPVAV;
2172typedef struct xpvhv XPVHV;
2173typedef struct xpvgv XPVGV;
2174typedef struct xpvcv XPVCV;
2175typedef struct xpvbm XPVBM;
2176typedef struct xpvfm XPVFM;
8990e307 2177typedef struct xpvio XPVIO;
79072805
LW		 2178typedef struct mgvtbl MGVTBL;
2179typedef union any ANY;
5f7fde29
GS		 2180typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2181typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2182typedef struct clone_params CLONE_PARAMS;
2183
378cc40b 2184#include "handy.h"
a0d0e21e 2185
6b8eaf93 2186#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2187# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2188# define USE_64_BIT_RAWIO /* implicit */
2189# endif
4564133c
JH		 2190#endif
2191
6b8eaf93
JH		 2192/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2193 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2194 * however, because operating systems like to do that themself. */
2195#ifndef FSEEKSIZE
2196# ifdef HAS_FSEEKO
2197# define FSEEKSIZE LSEEKSIZE
2198# else
2199# define FSEEKSIZE LONGSIZE
d460ef45 2200# endif
6b8eaf93
JH		 2201#endif
2202
2203#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2204# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2205# define USE_64_BIT_STDIO /* implicit */
2206# endif
2207#endif
4564133c 2208
09458382 2209#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2210# ifdef HAS_OFF64_T
2211# undef Off_t
2212# define Off_t off64_t
2213# undef LSEEKSIZE
2214# define LSEEKSIZE 8
5ff3f7a4 2215# endif
d9b3e12d
JH		 2216/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2217 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2218 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2219# if defined(USE_OPEN64)
2220# define open open64
5ff3f7a4 2221# endif
d9b3e12d
JH		 2222# if defined(USE_LSEEK64)
2223# define lseek lseek64
6b8eaf93
JH		 2224# else
2225# if defined(USE_LLSEEK)
2226# define lseek llseek
2227# endif
d9b3e12d
JH		 2228# endif
2229# if defined(USE_STAT64)
2230# define stat stat64
2231# endif
2232# if defined(USE_FSTAT64)
2233# define fstat fstat64
2234# endif
2235# if defined(USE_LSTAT64)
2236# define lstat lstat64
2237# endif
2238# if defined(USE_FLOCK64)
2239# define flock flock64
2240# endif
2241# if defined(USE_LOCKF64)
2242# define lockf lockf64
2243# endif
2244# if defined(USE_FCNTL64)
2245# define fcntl fcntl64
2246# endif
2247# if defined(USE_TRUNCATE64)
2248# define truncate truncate64
2249# endif
2250# if defined(USE_FTRUNCATE64)
2251# define ftruncate ftruncate64
2252# endif
2253#endif
2254
2255#ifdef USE_64_BIT_STDIO
2256# ifdef HAS_FPOS64_T
2257# undef Fpos_t
2258# define Fpos_t fpos64_t
2259# endif
2260/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2261 * will trigger defines like the ones below. Some 64-bit environments,
2262 * however, do not. */
2263# if defined(USE_FOPEN64)
2264# define fopen fopen64
2265# endif
2266# if defined(USE_FSEEK64)
6b8eaf93 2267# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2268# endif
2269# if defined(USE_FTELL64)
6b8eaf93 2270# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2271# endif
2272# if defined(USE_FSETPOS64)
2273# define fsetpos fsetpos64
2274# endif
2275# if defined(USE_FGETPOS64)
2276# define fgetpos fgetpos64
2277# endif
2278# if defined(USE_TMPFILE64)
2279# define tmpfile tmpfile64
2280# endif
2281# if defined(USE_FREOPEN64)
2282# define freopen freopen64
5ff3f7a4
GS		 2283# endif
2284#endif
2285
af8b425d 2286#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2287# include "iperlsys.h"
2288#endif
2289
6f71a643 2290#if defined(__OPEN_VM)
19848b3f
JH		 2291# include "vmesa/vmesaish.h"
2292# define ISHISH "vmesa"
6f71a643
JH		 2293#endif
2294
748a9306 2295#ifdef DOSISH
19848b3f
JH		 2296# if defined(OS2)
2297# include "os2ish.h"
2298# else
2299# include "dosish.h"
2300# endif
2301# define ISHISH "dos"
2302#endif
2303
2304#if defined(VMS)
748a9306 2305# include "vmsish.h"
96e176bf 2306# include "embed.h"
19848b3f
JH		 2307# define ISHISH "vms"
2308#endif
2309
2310#if defined(PLAN9)
2311# include "./plan9/plan9ish.h"
2312# define ISHISH "plan9"
2313#endif
2314
2315#if defined(MPE)
2316# include "mpeix/mpeixish.h"
2317# define ISHISH "mpeix"
2318#endif
2319
2320#if defined(__VOS__)
196918b0
PG		 2321# ifdef __GNUC__
2322# include "./vos/vosish.h"
2323# else
2324# include "vos/vosish.h"
2325# endif
19848b3f
JH		 2326# define ISHISH "vos"
2327#endif
2328
2329#if defined(EPOC)
2330# include "epocish.h"
2331# define ISHISH "epoc"
2332#endif
2333
9969cdde 2334#ifdef __SYMBIAN32__
27da23d5
JH		 2335# include "symbian/symbianish.h"
2336# include "embed.h"
2337# define ISHISH "symbian"
2338#endif
2339
19848b3f
JH		 2340#if defined(MACOS_TRADITIONAL)
2341# include "macos/macish.h"
2342# ifndef NO_ENVIRON_ARRAY
2343# define NO_ENVIRON_ARRAY
0c30d9ec 2344# endif
19848b3f
JH		 2345# define ISHISH "macos classic"
2346#endif
2347
efca5cc6
JH		 2348#if defined(__BEOS__)
2349# include "beos/beosish.h"
2350# define ISHISH "beos"
2351#endif
2352
19848b3f
JH		 2353#ifndef ISHISH
2354# include "unixish.h"
2355# define ISHISH "unix"
13b6e58c
JH		 2356#endif
2357
2946a158
JH		 2358/* NSIG logic from Configure --> */
2359/* Strange style to avoid deeply-nested #if/#else/#endif */
2360#ifndef NSIG
2361# ifdef _NSIG
2362# define NSIG (_NSIG)
2363# endif
2364#endif
2365
2366#ifndef NSIG
2367# ifdef SIGMAX
2368# define NSIG (SIGMAX+1)
2369# endif
2370#endif
2371
2372#ifndef NSIG
2373# ifdef SIG_MAX
2374# define NSIG (SIG_MAX+1)
2375# endif
2376#endif
2377
2378#ifndef NSIG
2379# ifdef _SIG_MAX
2380# define NSIG (_SIG_MAX+1)
2381# endif
2382#endif
2383
2384#ifndef NSIG
2385# ifdef MAXSIG
2386# define NSIG (MAXSIG+1)
2387# endif
2388#endif
2389
2390#ifndef NSIG
2391# ifdef MAX_SIG
2392# define NSIG (MAX_SIG+1)
2393# endif
2394#endif
2395
2396#ifndef NSIG
2397# ifdef SIGARRAYSIZE
2398# define NSIG SIGARRAYSIZE /* Assume ary[SIGARRAYSIZE] */
2399# endif
2400#endif
2401
2402#ifndef NSIG
2403# ifdef _sys_nsig
2404# define NSIG (_sys_nsig) /* Solaris 2.5 */
2405# endif
2406#endif
2407
2408/* Default to some arbitrary number that's big enough to get most
2409 of the common signals.
2410*/
2411#ifndef NSIG
2412# define NSIG 50
2413#endif
2414/* <-- NSIG logic from Configure */
2415
13b6e58c
JH		 2416#ifndef NO_ENVIRON_ARRAY
2417# define USE_ENVIRON_ARRAY
2418#endif
32f822de 2419
c77b533b
JH		 2420/*
2421 * initialise to avoid floating-point exceptions from overflow, etc
2422 */
2423#ifndef PERL_FPU_INIT
2424# ifdef HAS_FPSETMASK
2425# if HAS_FLOATINGPOINT_H
2426# include <floatingpoint.h>
2427# endif
2428# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2429# else
2f42fcb0 2430# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
8aad04aa 2431# define PERL_FPU_INIT PL_sigfpe_saved = (Sighandler_t) signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2432# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2433# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2434# else
2435# define PERL_FPU_INIT
2f42fcb0 2436
7014c407 2437# endif
c77b533b
JH		 2438# endif
2439#endif
b35112e7
CS		 2440#ifndef PERL_FPU_PRE_EXEC
2441# define PERL_FPU_PRE_EXEC {
2442# define PERL_FPU_POST_EXEC }
2443#endif
c77b533b 2444
ed344e4f
IZ		 2445#ifndef PERL_SYS_INIT3
2446# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2447#endif
2448
be708cc0
JH		 2449#ifndef PERL_WRITE_MSG_TO_CONSOLE
2450# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2451#endif
2452
0f31cffe
GS		 2453#ifndef MAXPATHLEN
2454# ifdef PATH_MAX
b990c8b2
JH		 2455# ifdef _POSIX_PATH_MAX
2456# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2457/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2458 * included the null byte or not. Later amendments of POSIX,
2459 * XPG4, the Austin Group, and the Single UNIX Specification
2460 * all explicitly include the null byte in the PATH_MAX.
2461 * Ditto for _POSIX_PATH_MAX. */
2462# define MAXPATHLEN PATH_MAX
b990c8b2 2463# else
09448d78 2464# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2465# endif
2466# else
2467# define MAXPATHLEN (PATH_MAX+1)
2468# endif
0f31cffe 2469# else
b990c8b2 2470# ifdef _POSIX_PATH_MAX
09448d78 2471# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2472# else
2473# define MAXPATHLEN 1024 /* Err on the large side. */
2474# endif
0f31cffe
GS		 2475# endif
2476#endif
2477
c80263a8
SH		 2478/* In case Configure was not used (we are using a "canned config"
2479 * such as Win32, or a cross-compilation setup, for example) try going
2480 * by the gcc major and minor versions. One useful URL is
2481 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2482 * but contrary to this information warn_unused_result seems
2483 * not to be in gcc 3.3.5, at least. --jhi
2484 * Set these up now otherwise we get confused when some of the <*thread.h>
2485 * includes below indirectly pull in <perlio.h> (which needs to know if we
2486 * have HASATTRIBUTE_FORMAT).
2487 */
2488
2489#if defined __GNUC__
2490# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2491# define HASATTRIBUTE_FORMAT
2492# endif
2493# if __GNUC__ >= 3 /* 3.0 -> */
2494# define HASATTRIBUTE_MALLOC
2495# endif
2496# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2497# define HASATTRIBUTE_NONNULL
2498# endif
2499# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2500# define HASATTRIBUTE_NORETURN
2501# endif
2502# if __GNUC__ >= 3 /* gcc 3.0 -> */
2503# define HASATTRIBUTE_PURE
2504# endif
2505# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2506# define HASATTRIBUTE_UNUSED
2507# endif
2508# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2509# define HASATTRIBUTE_WARN_UNUSED_RESULT
2510# endif
2511#endif
2512
3db8f154 2513/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2514 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2515 * this results in many functions being undeclared which bothers C++
2516 * May make sense to have threads after "*ish.h" anyway
2517 */
2518
3db8f154 2519#if defined(USE_ITHREADS)
2986a63f
JH		 2520# ifdef NETWARE
2521# include <nw5thread.h>
2522# else
32f822de
GS		 2523# ifdef FAKE_THREADS
2524# include "fakethr.h"
2525# else
2526# ifdef WIN32
2527# include <win32thread.h>
2528# else
dd96f567
IZ		 2529# ifdef OS2
2530# include "os2thread.h"
2531# else
7f3d1cf1 2532# ifdef I_MACH_CTHREADS
bdd66968 2533# include <mach/cthreads.h>
8f1f23e8 2534# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2535# define MUTEX_INIT_CALLS_MALLOC
2536# endif
7f3d1cf1
BH		 2537typedef cthread_t perl_os_thread;
2538typedef mutex_t perl_mutex;
2539typedef condition_t perl_cond;
2540typedef void * perl_key;
2541# else /* Posix threads */
1f5ae88c
JH		 2542# ifdef I_PTHREAD
2543# include <pthread.h>
2544# endif
7f3d1cf1
BH		 2545typedef pthread_t perl_os_thread;
2546typedef pthread_mutex_t perl_mutex;
2547typedef pthread_cond_t perl_cond;
2548typedef pthread_key_t perl_key;
2549# endif /* I_MACH_CTHREADS */
dd96f567 2550# endif /* OS2 */
32f822de
GS		 2551# endif /* WIN32 */
2552# endif /* FAKE_THREADS */
2986a63f 2553#endif /* NETWARE */
3db8f154 2554#endif /* USE_ITHREADS */
c5be433b 2555
66a93824 2556#if defined(WIN32)
1feb2720 2557# include "win32.h"
c5be433b
GS		 2558#endif
2559
2986a63f
JH		 2560#ifdef NETWARE
2561# include "netware.h"
2562#endif
2563
e5218da5 2564#define STATUS_UNIX PL_statusvalue
68dc0745 2565#ifdef VMS
6b88bc9c 2566# define STATUS_NATIVE PL_statusvalue_vms
7a7fd8e0
JM		 2567/*
2568 * vaxc$errno is only guaranteed to be valid if errno == EVMSERR, otherwise
2569 * it's contents can not be trusted. Unfortunately, Perl seems to check
2570 * it on exit, so it when PL_statusvalue_vms is updated, vaxc$errno should
2571 * be updated also.
2572 */
2573# include <stsdef.h>
2574# include <ssdef.h>
2575/* Presume this because if VMS changes it, it will require a new
2576 * set of APIs for waiting on children for binary compatibility.
2577 */
2578# define child_offset_bits (8)
2579# ifndef C_FAC_POSIX
2580# define C_FAC_POSIX 0x35A000
2581# endif
2582
2583/* STATUS_EXIT - validates and returns a NATIVE exit status code for the
2584 * platform from the existing UNIX or Native status values.
2585 */
2586
37038d91 2587# define STATUS_EXIT \
7a7fd8e0
JM		 2588 (((I32)PL_statusvalue_vms == -1 ? SS$_ABORT : PL_statusvalue_vms) | \
2589 (VMSISH_HUSHED ? STS$M_INHIB_MSG : 0))
2590
7a7fd8e0 2591
fb38d079
JM		 2592/* STATUS_NATIVE_CHILD_SET - Calculate UNIX status that matches the child
2593 * exit code and shifts the UNIX value over the correct number of bits to
2594 * be a child status. Usually the number of bits is 8, but that could be
2595 * platform dependent. The NATIVE status code is presumed to have either
2596 * from a child process.
7a7fd8e0
JM		 2597 */
2598
fb38d079
JM		 2599/* This is complicated. The child processes return a true native VMS
2600 status which must be saved. But there is an assumption in Perl that
2601 the UNIX child status has some relationship to errno values, so
2602 Perl tries to translate it to text in some of the tests.
2603 In order to get the string translation correct, for the error, errno
2604 must be EVMSERR, but that generates a different text message
2605 than what the test programs are expecting. So an errno value must
2606 be derived from the native status value when an error occurs.
2607 That will hide the true native status message. With this version of
2608 perl, the true native child status can always be retrieved so that
2609 is not a problem. But in this case, Pl_statusvalue and errno may
2610 have different values in them.
2611 */
7a7fd8e0 2612
fb38d079 2613# define STATUS_NATIVE_CHILD_SET(n) \
68dc0745 2614 STMT_START { \
2fbb330f
JM		 2615 I32 evalue = (I32)n; \
2616 if (evalue == EVMSERR) { \
2617 PL_statusvalue_vms = vaxc$errno; \
2618 PL_statusvalue = evalue; \
7a7fd8e0 2619 } else { \
2fbb330f 2620 PL_statusvalue_vms = evalue; \
fb38d079 2621 if (evalue == -1) { \
3280af22 2622 PL_statusvalue = -1; \
7a7fd8e0
JM		 2623 PL_statusvalue_vms = SS$_ABORT; /* Should not happen */ \
2624 } else \
fb38d079 2625 PL_statusvalue = Perl_vms_status_to_unix(evalue, 1); \
2fbb330f 2626 set_vaxc_errno(evalue); \
fb38d079
JM		 2627 if ((PL_statusvalue_vms & C_FAC_POSIX) == C_FAC_POSIX) \
2628 set_errno(EVMSERR); \
2629 else set_errno(Perl_vms_status_to_unix(evalue, 0)); \
2630 PL_statusvalue = PL_statusvalue << child_offset_bits; \
2fbb330f 2631 } \
68dc0745 2632 } STMT_END
7a7fd8e0 2633
68dc0745 2634# ifdef VMSISH_STATUS
e5218da5 2635# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2636# else
e5218da5 2637# define STATUS_CURRENT STATUS_UNIX
68dc0745 2638# endif
7a7fd8e0
JM		 2639
2640 /* STATUS_UNIX_SET - takes a UNIX/POSIX errno value and attempts to update
2641 * the NATIVE status to an equivalent value. Can not be used to translate
2642 * exit code values as exit code values are not guaranteed to have any
2643 * relationship at all to errno values.
2644 * This is used when Perl is forcing errno to have a specific value.
2645 */
e5218da5 2646# define STATUS_UNIX_SET(n) \
68dc0745 2647 STMT_START { \
7a7fd8e0 2648 I32 evalue = (I32)n; \
0968cdad 2649 PL_statusvalue = evalue; \
3280af22 2650 if (PL_statusvalue != -1) { \
0968cdad
JM		 2651 if (PL_statusvalue != EVMSERR) { \
2652 PL_statusvalue &= 0xFFFF; \
2653 if (MY_POSIX_EXIT) \
2654 PL_statusvalue_vms=PL_statusvalue ? SS$_ABORT : SS$_NORMAL;\
2655 else PL_statusvalue_vms = Perl_unix_status_to_vms(evalue); \
2656 } \
2657 else { \
2658 PL_statusvalue_vms = vaxc$errno; \
2659 } \
68dc0745 2660 } \
0968cdad
JM		 2661 else PL_statusvalue_vms = SS$_ABORT; \
2662 set_vaxc_errno(PL_statusvalue_vms); \
7a7fd8e0
JM		 2663 } STMT_END
2664
2665 /* STATUS_UNIX_EXIT_SET - Takes a UNIX/POSIX exit code and sets
2666 * the NATIVE error status based on it. It does not assume that
fb38d079
JM		 2667 * the UNIX/POSIX exit codes have any relationship to errno, except
2668 * that 0 indicates a success. When in the default mode to comply
6ac6a52b
JM		 2669 * with the Perl VMS documentation, any other code sets the NATIVE
2670 * status to a failure code of SS$_ABORT.
fb38d079
JM		 2671 *
2672 * In the new POSIX EXIT mode, native status will be set so that the
2673 * actual exit code will can be retrieved by the calling program or
2674 * shell.
2675 *
2676 * If the exit code is not clearly a UNIX parent or child exit status,
2677 * it will be passed through as a VMS status.
7a7fd8e0
JM		 2678 */
2679
fb38d079 2680# define STATUS_UNIX_EXIT_SET(n) \
7a7fd8e0
JM		 2681 STMT_START { \
2682 I32 evalue = (I32)n; \
2683 PL_statusvalue = evalue; \
fb38d079
JM		 2684 if (evalue != -1) { \
2685 if (evalue <= 0xFF00) { \
2686 if (evalue > 0xFF) \
2687 evalue = (evalue >> child_offset_bits) & 0xFF; \
2688 if (evalue == 0) \
2689 PL_statusvalue_vms == SS$_NORMAL; \
2690 else \
2691 if (MY_POSIX_EXIT) \
2692 PL_statusvalue_vms = \
2693 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2694 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
0968cdad 2695 else \
6ac6a52b 2696 PL_statusvalue_vms = SS$_ABORT; \
fb38d079
JM		 2697 } else { /* forgive them Perl, for they have sinned */ \
2698 if (evalue != EVMSERR) PL_statusvalue_vms = evalue; \
2699 else PL_statusvalue_vms = vaxc$errno; \
2700 /* And obviously used a VMS status value instead of UNIX */ \
2701 PL_statusvalue = EVMSERR; \
2702 } \
7a7fd8e0
JM		 2703 } \
2704 else PL_statusvalue_vms = SS$_ABORT; \
2705 set_vaxc_errno(PL_statusvalue_vms); \
68dc0745 2706 } STMT_END
fb38d079 2707
6ac6a52b
JM		 2708 /* STATUS_EXIT_SET - Takes a NATIVE/UNIX/POSIX exit code
2709 * and sets the NATIVE error status based on it. This special case
2710 * is needed to maintain compatibility with past VMS behavior.
2711 *
2712 * In the default mode on VMS, this number is passed through as
2713 * both the NATIVE and UNIX status. Which makes it different
2714 * that the STATUS_UNIX_EXIT_SET.
2715 *
2716 * In the new POSIX EXIT mode, native status will be set so that the
2717 * actual exit code will can be retrieved by the calling program or
2718 * shell.
2719 *
2720 */
2721
2722# define STATUS_EXIT_SET(n) \
2723 STMT_START { \
2724 I32 evalue = (I32)n; \
2725 PL_statusvalue = evalue; \
2726 if (MY_POSIX_EXIT) \
2727 PL_statusvalue_vms = \
2728 (C_FAC_POSIX | (evalue << 3 ) | (evalue == 1)? \
52e64fc8 2729 (STS$K_ERROR | STS$M_INHIB_MSG) : 1); \
6ac6a52b
JM		 2730 else \
2731 PL_statusvalue_vms = evalue ? evalue : SS$_NORMAL; \
2732 set_vaxc_errno(PL_statusvalue_vms); \
2733 } STMT_END
2734
fb38d079
JM		 2735
2736 /* This macro forces a success status */
7a7fd8e0
JM		 2737# define STATUS_ALL_SUCCESS \
2738 (PL_statusvalue = 0, PL_statusvalue_vms = SS$_NORMAL)
fb38d079
JM		 2739
2740 /* This macro forces a failure status */
7a7fd8e0
JM		 2741# define STATUS_ALL_FAILURE (PL_statusvalue = 1, \
2742 vaxc$errno = PL_statusvalue_vms = MY_POSIX_EXIT ? \
2743 (C_FAC_POSIX | (1 << 3) | STS$K_ERROR | STS$M_INHIB_MSG) : SS$_ABORT)
fb38d079 2744
68dc0745 2745#else
e5218da5 2746# define STATUS_NATIVE PL_statusvalue_posix
e5218da5 2747# if defined(WCOREDUMP)
37038d91 2748# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2749 STMT_START { \
2750 PL_statusvalue_posix = (n); \
2751 if (PL_statusvalue_posix == -1) \
2752 PL_statusvalue = -1; \
2753 else { \
2754 PL_statusvalue = \
2755 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2756 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2757 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2758 } \
2759 } STMT_END
2760# elif defined(WIFEXITED)
37038d91 2761# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2762 STMT_START { \
2763 PL_statusvalue_posix = (n); \
2764 if (PL_statusvalue_posix == -1) \
2765 PL_statusvalue = -1; \
2766 else { \
2767 PL_statusvalue = \
2768 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2769 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2770 } \
2771 } STMT_END
2772# else
37038d91 2773# define STATUS_NATIVE_CHILD_SET(n) \
e5218da5
GA		 2774 STMT_START { \
2775 PL_statusvalue_posix = (n); \
2776 if (PL_statusvalue_posix == -1) \
2777 PL_statusvalue = -1; \
2778 else { \
2779 PL_statusvalue = \
2780 PL_statusvalue_posix & 0xFFFF; \
2781 } \
2782 } STMT_END
2783# endif
2784# define STATUS_UNIX_SET(n) \
68dc0745 2785 STMT_START { \
3280af22
NIS		 2786 PL_statusvalue = (n); \
2787 if (PL_statusvalue != -1) \
2788 PL_statusvalue &= 0xFFFF; \
68dc0745 2789 } STMT_END
7a7fd8e0 2790# define STATUS_UNIX_EXIT_SET(n) STATUS_UNIX_SET(n)
6ac6a52b 2791# define STATUS_EXIT_SET(n) STATUS_UNIX_SET(n)
e5218da5 2792# define STATUS_CURRENT STATUS_UNIX
37038d91 2793# define STATUS_EXIT STATUS_UNIX
e5218da5
GA		 2794# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2795# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2796#endif
2797
cc3604b1
GS		 2798/* flags in PL_exit_flags for nature of exit() */
2799#define PERL_EXIT_EXPECTED 0x01
31d77e54 2800#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2801
0b94c7bb 2802#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2803# define MEMBER_TO_FPTR(name) name
2804#endif
2805
2806/* format to use for version numbers in file/directory names */
273cf8d1 2807/* XXX move to Configure? */
a7cb1f99 2808#ifndef PERL_FS_VER_FMT
273cf8d1 2809# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2810#endif
2811
45bc9206 2812/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2813 * performance issue, so we allow people to disable it. Also, if
2814 * we are using stdio, there are broken implementations of fflush(NULL)
2815 * out there, Solaris being the most prominent.
45bc9206
GS		 2816 */
2817#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2818# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2819# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2820# else
2821# ifdef FFLUSH_ALL
2822# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2823# else
c5be433b 2824# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2825# endif
66fe083f 2826# endif
45bc9206
GS		 2827#endif
2828
7766f137
GS		 2829#ifndef PERL_WAIT_FOR_CHILDREN
2830# define PERL_WAIT_FOR_CHILDREN NOOP
2831#endif
2832
ba869deb 2833/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2834#ifndef PERL_SET_INTERP
2835# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2836#endif
2837
2838#ifndef PERL_GET_INTERP
2839# define PERL_GET_INTERP (PL_curinterp)
2840#endif
2841
54aff467 2842#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2843# ifdef MULTIPLICITY
ba869deb 2844# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2845# endif
ba869deb
GS		 2846# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2847#endif
2848
8896765a
RB		 2849/*
2850 This replaces the previous %_ "hack" by the "%p" hacks.
0dbb1585 2851 All that is required is that the perl source does not
8896765a
RB		 2852 use "%-p" or "%-<number>p" or "%<number>p" formats.
2853 These formats will still work in perl code.
2854 See comments in sv.c for futher details.
2855
2856 -DvdNUMBER=<number> can be used to redefine VDf
2857
2858 -DvdNUMBER=0 reverts VDf to "vd", as in perl5.8.7,
2859 which works properly but gives compiler warnings
2860
2861 Robin Barker 2005-07-14
0dbb1585 2862*/
8896765a
RB		 2863
2864#ifndef SVf_
63ce7bf0 2865# define SVf_(n) "-" STRINGIFY(n) "p"
894356b3
GS		 2866#endif
2867
8896765a 2868#ifndef SVf
104abab4 2869# define SVf "-p"
d2560b70
RB		 2870#endif
2871
014ead4b 2872#ifndef SVf32
8896765a 2873# define SVf32 SVf_(32)
014ead4b
RB		 2874#endif
2875
2876#ifndef SVf256
8896765a
RB		 2877# define SVf256 SVf_(256)
2878#endif
2879
2880#ifndef vdNUMBER
2881# define vdNUMBER 1
2882#endif
2883
2884#ifndef VDf
2885# if vdNUMBER
63ce7bf0 2886# define VDf STRINGIFY(vdNUMBER) "p"
8896765a
RB		 2887# else
2888# define VDf "vd"
2889# endif
014ead4b
RB		 2890#endif
2891
2892#ifndef UVf
2893# define UVf UVuf
d2560b70
RB		 2894#endif
2895
0dbb1585
AL		 2896#ifdef HASATTRIBUTE_FORMAT
2897# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2898#endif
2899#ifdef HASATTRIBUTE_MALLOC
77785eea 2900# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2901#endif
0dbb1585 2902#ifdef HASATTRIBUTE_NONNULL
abb2c242 2903# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2904#endif
0dbb1585 2905#ifdef HASATTRIBUTE_NORETURN
abb2c242 2906# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2907#endif
0dbb1585 2908#ifdef HASATTRIBUTE_PURE
abb2c242 2909# define __attribute__pure__ __attribute__((pure))
f22be1b8 2910#endif
0dbb1585
AL		 2911#ifdef HASATTRIBUTE_UNUSED
2912# define __attribute__unused__ __attribute__((unused))
2913#endif
2914#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2915# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2916#endif
2917
0dbb1585
AL		 2918/* If we haven't defined the attributes yet, define them to blank. */
2919#ifndef __attribute__format__
2920# define __attribute__format__(x,y,z)
2921#endif
f22be1b8 2922#ifndef __attribute__malloc__
abb2c242 2923# define __attribute__malloc__
f22be1b8
JH		 2924#endif
2925#ifndef __attribute__nonnull__
abb2c242 2926# define __attribute__nonnull__(a)
f22be1b8
JH		 2927#endif
2928#ifndef __attribute__noreturn__
abb2c242 2929# define __attribute__noreturn__
f22be1b8
JH		 2930#endif
2931#ifndef __attribute__pure__
abb2c242 2932# define __attribute__pure__
f22be1b8 2933#endif
0dbb1585
AL		 2934#ifndef __attribute__unused__
2935# define __attribute__unused__
2936#endif
f22be1b8 2937#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2938# define __attribute__warn_unused_result__
2939#endif
2940
0dbb1585
AL		 2941/* For functions that are marked as __attribute__noreturn__, it's not
2942 appropriate to call return. In either case, include the lint directive.
2943 */
2944#ifdef HASATTRIBUTE_NORETURN
2945# define NORETURN_FUNCTION_END /* NOT REACHED */
2946#else
2947# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2948#endif
2949
3fc1aec6 2950/* Some unistd.h's give a prototype for pause() even though
2951 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2952 below to be rejected by the compiler. Sigh.
3fc1aec6 2953*/
2954#ifdef HAS_PAUSE
2955#define Pause pause
2956#else
2957#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2958#endif
2959
2960#ifndef IOCPARM_LEN
2961# ifdef IOCPARM_MASK
61f1c44b 2962 /* on BSDish systems we're safe */
748a9306
LW		 2963# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2964# else
61f1c44b
JVD		 2965# if defined(_IOC_SIZE) && defined(__GLIBC__)
2966 /* on Linux systems we're safe */
2967# define IOCPARM_LEN(x) _IOC_SIZE(x)
2968# else
748a9306 2969 /* otherwise guess at what's safe */
61f1c44b
JVD		 2970# define IOCPARM_LEN(x) 256
2971# endif
748a9306 2972# endif
a0d0e21e
LW		 2973#endif
2974
1761cee5 2975#if defined(__CYGWIN__)
521e0776
GS		 2976/* USEMYBINMODE
2977 * This symbol, if defined, indicates that the program should
16fe6d59 2978 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2979 * that a file is in "binary" mode -- that is, that no translation
2980 * of bytes occurs on read or write operations.
2981 */
36894f0b 2982# define USEMYBINMODE /**/
77a40698 2983# include <io.h> /* for setmode() prototype */
16fe6d59 2984# define my_binmode(fp, iotype, mode) \
77a40698 2985 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2986#endif
2987
88d10794
JH		 2988#ifdef __CYGWIN__
2989void init_os_extras(void);
2990#endif
2991
cea2e8a9
GS		 2992#ifdef UNION_ANY_DEFINITION
2993UNION_ANY_DEFINITION;
2994#else
2995union any {
2996 void* any_ptr;
2997 I32 any_i32;
2998 IV any_iv;
2999 long any_long;
9febdf04 3000 bool any_bool;
c76ac1ee 3001 void (*any_dptr) (void*);
acfe0abc 3002 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 3003};
3004#endif
3005
acfe0abc 3006typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 3007
3008#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
3009#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
3010#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
3011
c5078cac
JH		 3012#if defined(_AIX) && !defined(_AIX43)
3013#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
3014/* We cannot include <crypt.h> to get the struct crypt_data
3015 * because of setkey prototype problems when threading */
3016typedef struct crypt_data { /* straight from /usr/include/crypt.h */
3017 /* From OSF, Not needed in AIX
3018 char C[28], D[28];
3019 */
3020 char E[48];
3021 char KS[16][48];
3022 char block[66];
3023 char iobuf[16];
3024} CRYPTD;
3025#endif /* threading */
3026#endif /* AIX */
3027
af8b425d 3028#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 3029# include "iperlsys.h"
3030#endif
504f80c1 3031
d10dc2ae
JH		 3032/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
3033 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
3034 * defined by Configure, despite their names being similar to the
3035 * other defines like USE_ITHREADS. Configure in fact knows nothing
3036 * about the randomised hashes. Therefore to enable/disable the hash
3037 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 3038#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 3039# define USE_HASH_SEED
504f80c1
JH		 3040#endif
3041
378cc40b 3042#include "regexp.h"
79072805 3043#include "sv.h"
378cc40b 3044#include "util.h"
8d063cd8 3045#include "form.h"
79072805 3046#include "gv.h"
dd2155a4 3047#include "pad.h"
79072805 3048#include "cv.h"
abdd5c84 3049#include "opnames.h"
79072805
LW		 3050#include "op.h"
3051#include "cop.h"
3052#include "av.h"
3053#include "hv.h"
3054#include "mg.h"
3055#include "scope.h"
4438c4b7 3056#include "warnings.h"
a0ed51b3 3057#include "utf8.h"
8d063cd8 3058
7fae4e64
GS		 3059/* Current curly descriptor */
3060typedef struct curcur CURCUR;
3061struct curcur {
3062 int parenfloor; /* how far back to strip paren data */
3063 int cur; /* how many instances of scan we've matched */
3064 int min; /* the minimal number of scans to match */
3065 int max; /* the maximal number of scans to match */
3066 int minmod; /* whether to work our way up or down */
3067 regnode * scan; /* the thing to match */
3068 regnode * next; /* what has to match after it */
3069 char * lastloc; /* where we started matching this scan */
3070 CURCUR * oldcc; /* current curly before we started this one */
3071};
3072
3073typedef struct _sublex_info SUBLEXINFO;
3074struct _sublex_info {
3075 I32 super_state; /* lexer state to save */
3076 I32 sub_inwhat; /* "lex_inwhat" to use */
3077 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 3078 char *super_bufptr; /* PL_bufptr that was */
3079 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 3080};
3081
455ece5e 3082typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 3083
2c2d71f5 3084struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 3085struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 3086
3087typedef I32 CHECKPOINT;
76e3520e 3088
6f51351d
NC		 3089/* Keep next first in this structure, because sv_free_arenas take
3090 advantage of this to share code between the pte arenas and the SV
3091 body arenas */
5f7fde29
GS		 3092struct ptr_tbl_ent {
3093 struct ptr_tbl_ent* next;
53c1dcc0 3094 const void* oldval;
5f7fde29 3095 void* newval;
d18c6117
GS		 3096};
3097
5f7fde29
GS		 3098struct ptr_tbl {
3099 struct ptr_tbl_ent** tbl_ary;
3100 UV tbl_max;
3101 UV tbl_items;
d18c6117
GS		 3102};
3103
450a55e4 3104#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 3105# define I286
3106#endif
3107
fe14fcc3
LW		 3108#if defined(htonl) && !defined(HAS_HTONL)
3109#define HAS_HTONL
ae986130 3110#endif
fe14fcc3
LW		 3111#if defined(htons) && !defined(HAS_HTONS)
3112#define HAS_HTONS
ae986130 3113#endif
fe14fcc3
LW		 3114#if defined(ntohl) && !defined(HAS_NTOHL)
3115#define HAS_NTOHL
ae986130 3116#endif
fe14fcc3
LW		 3117#if defined(ntohs) && !defined(HAS_NTOHS)
3118#define HAS_NTOHS
ae986130 3119#endif
fe14fcc3 3120#ifndef HAS_HTONL
d9d8d8de 3121#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 3122#define HAS_HTONS
3123#define HAS_HTONL
3124#define HAS_NTOHS
3125#define HAS_NTOHL
a687059c
LW		 3126#define MYSWAP
3127#define htons my_swap
3128#define htonl my_htonl
3129#define ntohs my_swap
3130#define ntohl my_ntohl
3131#endif
3132#else
d9d8d8de 3133#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 3134#undef HAS_HTONS
3135#undef HAS_HTONL
3136#undef HAS_NTOHS
3137#undef HAS_NTOHL
a687059c
LW		 3138#endif
3139#endif
3140
988174c1
LW		 3141/*
3142 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
3143 * -DWS
3144 */
3145#if BYTEORDER != 0x1234
3146# define HAS_VTOHL
3147# define HAS_VTOHS
3148# define HAS_HTOVL
3149# define HAS_HTOVS
c67712b2 3150# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 3151# define vtohl(x) ((((x)&0xFF)<<24) \
3152 +(((x)>>24)&0xFF) \
3153 +(((x)&0x0000FF00)<<8) \
3154 +(((x)&0x00FF0000)>>8) )
3155# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
3156# define htovl(x) vtohl(x)
3157# define htovs(x) vtohs(x)
3158# endif
3159 /* otherwise default to functions in util.c */
2a8c3029 3160#ifndef htovs
c623ac67
GS		 3161short htovs(short n);
3162short vtohs(short n);
3163long htovl(long n);
3164long vtohl(long n);
988174c1 3165#endif
2a8c3029 3166#endif
988174c1 3167
3bb7c1b4
JH		 3168/* *MAX Plus 1. A floating point value.
3169 Hopefully expressed in a way that dodgy floating point can't mess up.
3170 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
3171 is added to it
3172 May find that some broken compiler will want the value cast to I32.
3173 [after the shift, as signed >> may not be as secure as unsigned >>]
3174*/
3175#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
3176#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
3177/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
3178 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
3179 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
3180*/
3181#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 3182
3bb7c1b4
JH		 3183#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
3184#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
3185#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
3186
3187/* This may look like unnecessary jumping through hoops, but converting
3188 out of range floating point values to integers *is* undefined behaviour,
3189 and it is starting to bite.
3190*/
3191#ifndef CAST_INLINE
65202027 3192#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 3193#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 3194#define I_V(what) (cast_iv((NV)(what)))
3195#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 3196#else
3197#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
3198 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
3199 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
3200#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
3201 : ((n) < U32_MAX_P1 ? (U32) (n) \
3202 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
3203#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
3204 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
3205 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
3206#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
3207 : ((n) < UV_MAX_P1 ? (UV) (n) \
3208 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
3209#endif
3210
3211#define U_S(what) ((U16)U_32(what))
3212#define U_I(what) ((unsigned int)U_32(what))
3213#define U_L(what) U_32(what)
ed6116ce 3214
2d4389e4
JH		 3215/* These do not care about the fractional part, only about the range. */
3216#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 3217#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 3218
25da4f38
IZ		 3219/* Used with UV/IV arguments: */
3220 /* XXXX: need to speed it up */
3221#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
3222#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
3223
352d5a3a
LW		 3224#ifndef MAXSYSFD
3225# define MAXSYSFD 2
3226#endif
ee0007ab 3227
79072805 3228#ifndef __cplusplus
27da23d5 3229#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 3230Uid_t getuid (void);
3231Uid_t geteuid (void);
3232Gid_t getgid (void);
3233Gid_t getegid (void);
79072805 3234#endif
e1caacb4 3235#endif
8d063cd8 3236
0c30d9ec 3237#ifndef Perl_debug_log
bf49b057
GS		 3238# define Perl_debug_log PerlIO_stderr()
3239#endif
3240
3241#ifndef Perl_error_log
3242# define Perl_error_log (PL_stderrgv \
6b78add2 3243 && isGV(PL_stderrgv) \
01bb7c6d 3244 && GvIOp(PL_stderrgv) \
42de951c 3245 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 3246 ? IoOFP(GvIOp(PL_stderrgv)) \
3247 : PerlIO_stderr())
0c30d9ec 3248#endif
3967c732 3249
aea4f609
DM		 3250
3251#define DEBUG_p_FLAG 0x00000001 /* 1 */
3252#define DEBUG_s_FLAG 0x00000002 /* 2 */
3253#define DEBUG_l_FLAG 0x00000004 /* 4 */
3254#define DEBUG_t_FLAG 0x00000008 /* 8 */
3255#define DEBUG_o_FLAG 0x00000010 /* 16 */
3256#define DEBUG_c_FLAG 0x00000020 /* 32 */
3257#define DEBUG_P_FLAG 0x00000040 /* 64 */
3258#define DEBUG_m_FLAG 0x00000080 /* 128 */
3259#define DEBUG_f_FLAG 0x00000100 /* 256 */
3260#define DEBUG_r_FLAG 0x00000200 /* 512 */
3261#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3262#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3263 /* spare */
aea4f609
DM		 3264#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3265#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3266#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3267#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3268#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3269#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3270#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3271#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3272#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3273#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3274#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3275#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3276
3277#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3278#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3279 that something was done? */
aea4f609 3280
bd16a5f0
IZ		 3281# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3282# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3283# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3284# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3285# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3286# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3287# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3288# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3289# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3290# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3291# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3292# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3293# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3294# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3295# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3296# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3297# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3298# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3299# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3300# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3301# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3302# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3303# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3304# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3305
3967c732 3306#ifdef DEBUGGING
aea4f609 3307
bd16a5f0
IZ		 3308# define DEBUG_p_TEST DEBUG_p_TEST_
3309# define DEBUG_s_TEST DEBUG_s_TEST_
3310# define DEBUG_l_TEST DEBUG_l_TEST_
3311# define DEBUG_t_TEST DEBUG_t_TEST_
3312# define DEBUG_o_TEST DEBUG_o_TEST_
3313# define DEBUG_c_TEST DEBUG_c_TEST_
3314# define DEBUG_P_TEST DEBUG_P_TEST_
3315# define DEBUG_m_TEST DEBUG_m_TEST_
3316# define DEBUG_f_TEST DEBUG_f_TEST_
3317# define DEBUG_r_TEST DEBUG_r_TEST_
3318# define DEBUG_x_TEST DEBUG_x_TEST_
3319# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3320# define DEBUG_H_TEST DEBUG_H_TEST_
3321# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3322# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3323# define DEBUG_D_TEST DEBUG_D_TEST_
3324# define DEBUG_S_TEST DEBUG_S_TEST_
3325# define DEBUG_T_TEST DEBUG_T_TEST_
3326# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3327# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3328# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3329# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3330# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3331# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3332
488b0c7a
JH		 3333# define PERL_DEB(a) a
3334# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3335# define DEBUG_p(a) if (DEBUG_p_TEST) a
3336# define DEBUG_s(a) if (DEBUG_s_TEST) a
3337# define DEBUG_l(a) if (DEBUG_l_TEST) a
3338# define DEBUG_t(a) if (DEBUG_t_TEST) a
3339# define DEBUG_o(a) if (DEBUG_o_TEST) a
3340# define DEBUG_c(a) if (DEBUG_c_TEST) a
3341# define DEBUG_P(a) if (DEBUG_P_TEST) a
3342
969058bb
VK		 3343 /* Temporarily turn off memory debugging in case the a
3344 * does memory allocation, either directly or indirectly. */
acfe0abc 3345# define DEBUG_m(a) \
0b250b9e 3346 STMT_START { \
aea4f609 3347 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3348 } STMT_END
aea4f609 3349
5f80b19c
AMS		 3350# define DEBUG__(t, a) \
3351 STMT_START { \
3352 if (t) STMT_START {a;} STMT_END; \
3353 } STMT_END
3354
3355# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3356# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3357# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3358# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3359# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3360# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3361# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3362# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3363
3db8f154 3364# define DEBUG_S(a)
aea4f609 3365
5f80b19c
AMS		 3366# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3367# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3368# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3369# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3370# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3371# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3372
3373#else /* DEBUGGING */
3374
3375# define DEBUG_p_TEST (0)
3376# define DEBUG_s_TEST (0)
3377# define DEBUG_l_TEST (0)
3378# define DEBUG_t_TEST (0)
3379# define DEBUG_o_TEST (0)
3380# define DEBUG_c_TEST (0)
3381# define DEBUG_P_TEST (0)
3382# define DEBUG_m_TEST (0)
3383# define DEBUG_f_TEST (0)
3384# define DEBUG_r_TEST (0)
3385# define DEBUG_x_TEST (0)
3386# define DEBUG_u_TEST (0)
aea4f609
DM		 3387# define DEBUG_H_TEST (0)
3388# define DEBUG_X_TEST (0)
dd2155a4 3389# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3390# define DEBUG_D_TEST (0)
3391# define DEBUG_S_TEST (0)
3392# define DEBUG_T_TEST (0)
04932ac8 3393# define DEBUG_R_TEST (0)
1045810a 3394# define DEBUG_J_TEST (0)
d6721266 3395# define DEBUG_v_TEST (0)
46187eeb 3396# define DEBUG_C_TEST (0)
ecae49c0
NC		 3397# define DEBUG_A_TEST (0)
3398# define DEBUG_q_TEST (0)
aea4f609 3399
488b0c7a
JH		 3400# define PERL_DEB(a)
3401# define PERL_DEBUG(a)
aea4f609
DM		 3402# define DEBUG_p(a)
3403# define DEBUG_s(a)
3404# define DEBUG_l(a)
3405# define DEBUG_t(a)
3406# define DEBUG_o(a)
3407# define DEBUG_c(a)
3408# define DEBUG_P(a)
3409# define DEBUG_m(a)
3410# define DEBUG_f(a)
3411# define DEBUG_r(a)
3412# define DEBUG_x(a)
3413# define DEBUG_u(a)
aea4f609
DM		 3414# define DEBUG_H(a)
3415# define DEBUG_X(a)
dd2155a4 3416# define DEBUG_Xv(a)
aea4f609
DM		 3417# define DEBUG_D(a)
3418# define DEBUG_S(a)
3419# define DEBUG_T(a)
04932ac8 3420# define DEBUG_R(a)
d6721266 3421# define DEBUG_v(a)
46187eeb 3422# define DEBUG_C(a)
ecae49c0
NC		 3423# define DEBUG_A(a)
3424# define DEBUG_q(a)
aea4f609
DM		 3425#endif /* DEBUGGING */
3426
3427
b4ab917c
DM		 3428#define DEBUG_SCOPE(where) \
3429 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
44f8325f 3430 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
b4ab917c
DM		 3431
3432
3433
3434
d1be9408 3435/* These constants should be used in preference to raw characters
14befaf4
DM		 3436 * when using magic. Note that some perl guts still assume
3437 * certain character properties of these constants, namely that
3438 * isUPPER() and toLOWER() may do useful mappings.
3439 *
3440 * Update the magic_names table in dump.c when adding/amending these
3441 */
3442
3443#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3444#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3445#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3446#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3447#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3448#define PERL_MAGIC_regdata 'D' /* Regex match position data
3449 (@+ and @- vars) */
3450#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3451#define PERL_MAGIC_env 'E' /* %ENV hash */
3452#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3453#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3454#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3455#define PERL_MAGIC_isa 'I' /* @ISA array */
3456#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3457#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3458#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3459#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3460#define PERL_MAGIC_mutex 'm' /* for lock op */
3461#define PERL_MAGIC_shared 'N' /* Shared between threads */
3462#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3463#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3464#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3465#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3466#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3467#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3468#define PERL_MAGIC_sig 'S' /* %SIG hash */
3469#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3470#define PERL_MAGIC_taint 't' /* Taintedness */
3471#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3472#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3473#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3474#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3475#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3476#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3477#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3478 smart parameter vivification */
3479#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3480#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3481#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3482#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3483#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3484#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3485#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3486#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3487
3488
a6e633de 3489#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3490#define assert(what) PERL_DEB( \
3491 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3492 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3493 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3494 PerlProc_exit(1), \
3495 (void) 0)))
a446a88f 3496#endif
8d063cd8 3497
450a55e4 3498struct ufuncs {
24f81a43
DM		 3499 I32 (*uf_val)(pTHX_ IV, SV*);
3500 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3501 IV uf_index;
450a55e4
LW		 3502};
3503
14befaf4 3504/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3505 * XS code wanting to be backward compatible can do something
3506 * like the following:
c745e42c 3507
24f81a43 3508#ifndef PERL_MG_UFUNC
24f81a43
DM		 3509#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3510#endif
3511
3512static PERL_MG_UFUNC(foo_get, index, val)
3513{
3514 sv_setsv(val, ...);
3515 return TRUE;
3516}
3517
3518-- Doug MacEachern
3519
3520*/
3521
fc9c74e6 3522#ifndef PERL_MG_UFUNC
24f81a43 3523#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3524#endif
24f81a43 3525
fe14fcc3 3526/* Fix these up for __STDC__ */
68dc0745 3527#ifndef DONT_DECLARE_STD
20ce7b12 3528char *mktemp (char*);
37bd1396 3529#ifndef atof
20ce7b12 3530double atof (const char*);
a0d0e21e 3531#endif
37bd1396 3532#endif
79072805 3533
352d5a3a 3534#ifndef STANDARD_C
fe14fcc3 3535/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3536Time_t time();
8d063cd8 3537struct tm *gmtime(), *localtime();
092bebab 3538#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3539char *(strchr)(), *(strrchr)();
3540char *(strcpy)(), *(strcat)();
3541#else
93a17b20 3542char *strchr(), *strrchr();
378cc40b 3543char *strcpy(), *strcat();
9d116dd7 3544#endif
352d5a3a 3545#endif /* ! STANDARD_C */
8d063cd8 3546
79072805
LW		 3547
3548#ifdef I_MATH
3549# include <math.h>
3550#else
32f822de 3551START_EXTERN_C
20ce7b12
GS		 3552 double exp (double);
3553 double log (double);
3554 double log10 (double);
3555 double sqrt (double);
3556 double frexp (double,int*);
3557 double ldexp (double,int);
3558 double modf (double,double*);
3559 double sin (double);
3560 double cos (double);
3561 double atan2 (double,double);
3562 double pow (double,double);
32f822de 3563END_EXTERN_C
79072805
LW		 3564#endif
3565
aa8b85de
JH		 3566#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3567# define NV_INF LDBL_INFINITY
3568#endif
3569#if !defined(NV_INF) && defined(DBL_INFINITY)
3570# define NV_INF (NV)DBL_INFINITY
3571#endif
3572#if !defined(NV_INF) && defined(INFINITY)
3573# define NV_INF (NV)INFINITY
3574#endif
3575#if !defined(NV_INF) && defined(INF)
3576# define NV_INF (NV)INF
3577#endif
3578#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3579# define NV_INF (NV)HUGE_VALL
3580#endif
3581#if !defined(NV_INF) && defined(HUGE_VAL)
3582# define NV_INF (NV)HUGE_VAL
3583#endif
3584
3585#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3586# if !defined(NV_NAN) && defined(LDBL_NAN)
3587# define NV_NAN LDBL_NAN
3588# endif
3589# if !defined(NV_NAN) && defined(LDBL_QNAN)
3590# define NV_NAN LDBL_QNAN
3591# endif
3592# if !defined(NV_NAN) && defined(LDBL_SNAN)
3593# define NV_NAN LDBL_SNAN
3594# endif
3595#endif
3596#if !defined(NV_NAN) && defined(DBL_NAN)
3597# define NV_NAN (NV)DBL_NAN
3598#endif
3599#if !defined(NV_NAN) && defined(DBL_QNAN)
3600# define NV_NAN (NV)DBL_QNAN
3601#endif
3602#if !defined(NV_NAN) && defined(DBL_SNAN)
3603# define NV_NAN (NV)DBL_SNAN
3604#endif
3605#if !defined(NV_NAN) && defined(QNAN)
3606# define NV_NAN (NV)QNAN
3607#endif
3608#if !defined(NV_NAN) && defined(SNAN)
3609# define NV_NAN (NV)SNAN
3610#endif
3611#if !defined(NV_NAN) && defined(NAN)
3612# define NV_NAN (NV)NAN
3613#endif
3614
a0d0e21e 3615#ifndef __cplusplus
8f1f23e8 3616# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3617char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3618# else
fd8cd3a3 3619# if !defined(WIN32) && !defined(VMS)
10bc17b6 3620#ifndef crypt
20ce7b12 3621char *crypt (const char*, const char*);
10bc17b6 3622#endif
5014db98 3623# endif /* !WIN32 */
8f1f23e8 3624# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3625# ifndef DONT_DECLARE_STD
3626# ifndef getenv
20ce7b12 3627char *getenv (const char*);
26618a56 3628# endif /* !getenv */
28ca6303 3629# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3630# ifdef _FILE_OFFSET_BITS
28ca6303 3631# if _FILE_OFFSET_BITS == 64
20ce7b12 3632Off_t lseek (int,Off_t,int);
0fc67700
JH		 3633# endif
3634# endif
bf0c440f 3635# endif
26618a56 3636# endif /* !DONT_DECLARE_STD */
10bc17b6 3637#ifndef getlogin
20ce7b12 3638char *getlogin (void);
10bc17b6 3639#endif
26618a56 3640#endif /* !__cplusplus */
79072805 3641
7a7fd8e0
JM		 3642/* Fixme on VMS. This needs to be a run-time, not build time options */
3643/* Also rename() is affected by this */
16d20bd9 3644#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3645#define UNLINK unlnk
6e732051 3646I32 unlnk (const char*);
8d063cd8 3647#else
80252599 3648#define UNLINK PerlLIO_unlink
8d063cd8 3649#endif
a687059c 3650
fa0a29af
JH		 3651/* some versions of glibc are missing the setresuid() proto */
3652#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3653int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3654#endif
fa0a29af
JH		 3655/* some versions of glibc are missing the setresgid() proto */
3656#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3657int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3658#endif
3659
fe14fcc3 3660#ifndef HAS_SETREUID
85e6fe83
LW		 3661# ifdef HAS_SETRESUID
3662# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3663# define HAS_SETREUID
3664# endif
a687059c 3665#endif
fe14fcc3 3666#ifndef HAS_SETREGID
85e6fe83
LW		 3667# ifdef HAS_SETRESGID
3668# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3669# define HAS_SETREGID
3670# endif
a687059c 3671#endif
ee0007ab 3672
d543acb6 3673/* Sighandler_t defined in iperlsys.h */
ff68c719 3674
3675#ifdef HAS_SIGACTION
3676typedef struct sigaction Sigsave_t;
3677#else
3678typedef Sighandler_t Sigsave_t;
3679#endif
3680
ee0007ab
LW		 3681#define SCAN_DEF 0
3682#define SCAN_TR 1
3683#define SCAN_REPL 2
79072805
LW		 3684
3685#ifdef DEBUGGING
4633a7c4 3686# ifndef register
a0d0e21e
LW		 3687# define register
3688# endif
cea2e8a9 3689# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3690#else
cea2e8a9 3691# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3692#endif
3693
18f739ee 3694#ifdef MYMALLOC
772fe5b3 3695# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3696# define MALLOC_INIT \
3697 STMT_START { \
3698 PL_malloc_mutex = NULL; \
3699 MUTEX_INIT(&PL_malloc_mutex); \
3700 } STMT_END
3701# define MALLOC_TERM \
3702 STMT_START { \
3703 perl_mutex tmp = PL_malloc_mutex; \
3704 PL_malloc_mutex = NULL; \
3705 MUTEX_DESTROY(&tmp); \
3706 } STMT_END
3707# else
3708# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3709# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3710# endif
18f739ee
IZ		 3711#else
3712# define MALLOC_INIT
3713# define MALLOC_TERM
3714#endif
3715
b6d9d515 3716
0cb96387 3717typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3718typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3719typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3720typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3721
940cb80d 3722/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3723#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3724
8f1f23e8
W		 3725/* NeXT has problems with crt0.o globals */
3726#if defined(__DYNAMIC__) && \
6239f2da 3727 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3728# if defined(NeXT) || defined(__NeXT)
3729# include <mach-o/dyld.h>
3730# define environ (*environ_pointer)
0c30d9ec 3731EXT char *** environ_pointer;
8f1f23e8 3732# else
6239f2da 3733# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3734# include <crt_externs.h> /* for the env array */
3735# define environ (*_NSGetEnviron())
3736# endif
0c30d9ec 3737# endif
8f1f23e8
W		 3738#else
3739 /* VMS and some other platforms don't use the environ array */
13b6e58c 3740# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3741# if !defined(DONT_DECLARE_STD) || \
3742 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3743 defined(__sgi) || \
d460ef45 3744 defined(__DGUX)
8f1f23e8 3745extern char ** environ; /* environment variables supplied via exec */
a6c40364 3746# endif
8f1f23e8
W		 3747# endif
3748#endif
79072805 3749
73c4f7a1
GS		 3750START_EXTERN_C
3751
79072805 3752/* handy constants */
22c35a8c 3753EXTCONST char PL_warn_uninit[]
29489e7c 3754 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3755EXTCONST char PL_warn_nosemi[]
463ee0b2 3756 INIT("Semicolon seems to be missing");
22c35a8c 3757EXTCONST char PL_warn_reserved[]
463ee0b2 3758 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3759EXTCONST char PL_warn_nl[]
93a17b20 3760 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3761EXTCONST char PL_no_wrongref[]
a0d0e21e 3762 INIT("Can't use %s ref as %s ref");
22c35a8c 3763EXTCONST char PL_no_symref[]
748a9306 3764 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3765EXTCONST char PL_no_symref_sv[]
014ead4b 3766 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3767EXTCONST char PL_no_usym[]
8990e307 3768 INIT("Can't use an undefined value as %s reference");
22c35a8c 3769EXTCONST char PL_no_aelem[]
93a17b20 3770 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3771EXTCONST char PL_no_helem_sv[]
3772 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3773EXTCONST char PL_no_modify[]
93a17b20 3774 INIT("Modification of a read-only value attempted");
22c35a8c 3775EXTCONST char PL_no_mem[]
93a17b20 3776 INIT("Out of memory!\n");
22c35a8c 3777EXTCONST char PL_no_security[]
463ee0b2 3778 INIT("Insecure dependency in %s%s");
22c35a8c 3779EXTCONST char PL_no_sock_func[]
93a17b20 3780 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3781EXTCONST char PL_no_dir_func[]
93a17b20 3782 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3783EXTCONST char PL_no_func[]
93a17b20 3784 INIT("The %s function is unimplemented");
22c35a8c 3785EXTCONST char PL_no_myglob[]
748a9306 3786 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3787EXTCONST char PL_no_localize_ref[]
3788 INIT("Can't localize through a reference");
27d5b266
JH		 3789#ifdef PERL_MALLOC_WRAP
3790EXTCONST char PL_memory_wrap[]
3791 INIT("panic: memory wrap");
3792#endif
93a17b20 3793
7575fa06 3794EXTCONST char PL_uuemap[65]
80252599
GS		 3795 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3796
3797
79072805 3798#ifdef DOINIT
27da23d5
JH		 3799EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3800EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3801#else
27da23d5
JH		 3802EXTCONST char* const PL_sig_name[];
3803EXTCONST int PL_sig_num[];
79072805
LW		 3804#endif
3805
3bd709b1 3806/* fast conversion and case folding tables */
bbce6d69 3807
79072805 3808#ifdef DOINIT
9d116dd7 3809#ifdef EBCDIC
27da23d5 3810EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3811 0, 1, 2, 3, 4, 5, 6, 7,
3812 8, 9, 10, 11, 12, 13, 14, 15,
3813 16, 17, 18, 19, 20, 21, 22, 23,
3814 24, 25, 26, 27, 28, 29, 30, 31,
3815 32, 33, 34, 35, 36, 37, 38, 39,
3816 40, 41, 42, 43, 44, 45, 46, 47,
3817 48, 49, 50, 51, 52, 53, 54, 55,
3818 56, 57, 58, 59, 60, 61, 62, 63,
3819 64, 65, 66, 67, 68, 69, 70, 71,
3820 72, 73, 74, 75, 76, 77, 78, 79,
3821 80, 81, 82, 83, 84, 85, 86, 87,
3822 88, 89, 90, 91, 92, 93, 94, 95,
3823 96, 97, 98, 99, 100, 101, 102, 103,
3824 104, 105, 106, 107, 108, 109, 110, 111,
3825 112, 113, 114, 115, 116, 117, 118, 119,
3826 120, 121, 122, 123, 124, 125, 126, 127,
3827 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3828 'H', 'I', 138, 139, 140, 141, 142, 143,
3829 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3830 'Q', 'R', 154, 155, 156, 157, 158, 159,
3831 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3832 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3833 176, 177, 178, 179, 180, 181, 182, 183,
3834 184, 185, 186, 187, 188, 189, 190, 191,
3835 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3836 'h', 'i', 202, 203, 204, 205, 206, 207,
3837 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3838 'q', 'r', 218, 219, 220, 221, 222, 223,
3839 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3840 'y', 'z', 234, 235, 236, 237, 238, 239,
3841 240, 241, 242, 243, 244, 245, 246, 247,
3842 248, 249, 250, 251, 252, 253, 254, 255
3843};
3844#else /* ascii rather than ebcdic */
22c35a8c 3845EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3846 0, 1, 2, 3, 4, 5, 6, 7,
3847 8, 9, 10, 11, 12, 13, 14, 15,
3848 16, 17, 18, 19, 20, 21, 22, 23,
3849 24, 25, 26, 27, 28, 29, 30, 31,
3850 32, 33, 34, 35, 36, 37, 38, 39,
3851 40, 41, 42, 43, 44, 45, 46, 47,
3852 48, 49, 50, 51, 52, 53, 54, 55,
3853 56, 57, 58, 59, 60, 61, 62, 63,
3854 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3855 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3856 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3857 'x', 'y', 'z', 91, 92, 93, 94, 95,
3858 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3859 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3860 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3861 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3862 128, 129, 130, 131, 132, 133, 134, 135,
3863 136, 137, 138, 139, 140, 141, 142, 143,
3864 144, 145, 146, 147, 148, 149, 150, 151,
3865 152, 153, 154, 155, 156, 157, 158, 159,
3866 160, 161, 162, 163, 164, 165, 166, 167,
3867 168, 169, 170, 171, 172, 173, 174, 175,
3868 176, 177, 178, 179, 180, 181, 182, 183,
3869 184, 185, 186, 187, 188, 189, 190, 191,
3870 192, 193, 194, 195, 196, 197, 198, 199,
3871 200, 201, 202, 203, 204, 205, 206, 207,
3872 208, 209, 210, 211, 212, 213, 214, 215,
3873 216, 217, 218, 219, 220, 221, 222, 223,
3874 224, 225, 226, 227, 228, 229, 230, 231,
3875 232, 233, 234, 235, 236, 237, 238, 239,
3876 240, 241, 242, 243, 244, 245, 246, 247,
3877 248, 249, 250, 251, 252, 253, 254, 255
3878};
9d116dd7 3879#endif /* !EBCDIC */
79072805 3880#else
22c35a8c 3881EXTCONST unsigned char PL_fold[];
79072805
LW		 3882#endif
3883
27da23d5 3884#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3885#ifdef DOINIT
27da23d5 3886EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3887 0, 1, 2, 3, 4, 5, 6, 7,
3888 8, 9, 10, 11, 12, 13, 14, 15,
3889 16, 17, 18, 19, 20, 21, 22, 23,
3890 24, 25, 26, 27, 28, 29, 30, 31,
3891 32, 33, 34, 35, 36, 37, 38, 39,
3892 40, 41, 42, 43, 44, 45, 46, 47,
3893 48, 49, 50, 51, 52, 53, 54, 55,
3894 56, 57, 58, 59, 60, 61, 62, 63,
3895 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3896 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3897 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3898 'x', 'y', 'z', 91, 92, 93, 94, 95,
3899 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3900 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3901 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3902 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3903 128, 129, 130, 131, 132, 133, 134, 135,
3904 136, 137, 138, 139, 140, 141, 142, 143,
3905 144, 145, 146, 147, 148, 149, 150, 151,
3906 152, 153, 154, 155, 156, 157, 158, 159,
3907 160, 161, 162, 163, 164, 165, 166, 167,
3908 168, 169, 170, 171, 172, 173, 174, 175,
3909 176, 177, 178, 179, 180, 181, 182, 183,
3910 184, 185, 186, 187, 188, 189, 190, 191,
3911 192, 193, 194, 195, 196, 197, 198, 199,
3912 200, 201, 202, 203, 204, 205, 206, 207,
3913 208, 209, 210, 211, 212, 213, 214, 215,
3914 216, 217, 218, 219, 220, 221, 222, 223,
3915 224, 225, 226, 227, 228, 229, 230, 231,
3916 232, 233, 234, 235, 236, 237, 238, 239,
3917 240, 241, 242, 243, 244, 245, 246, 247,
3918 248, 249, 250, 251, 252, 253, 254, 255
3919};
3920#else
27da23d5 3921EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3922#endif
27da23d5 3923#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3924
3925#ifdef DOINIT
9d116dd7 3926#ifdef EBCDIC
27da23d5 3927EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3928 1, 2, 84, 151, 154, 155, 156, 157,
3929 165, 246, 250, 3, 158, 7, 18, 29,
3930 40, 51, 62, 73, 85, 96, 107, 118,
3931 129, 140, 147, 148, 149, 150, 152, 153,
3932 255, 6, 8, 9, 10, 11, 12, 13,
3933 14, 15, 24, 25, 26, 27, 28, 226,
3934 29, 30, 31, 32, 33, 43, 44, 45,
3935 46, 47, 48, 49, 50, 76, 77, 78,
3936 79, 80, 81, 82, 83, 84, 85, 86,
3937 87, 94, 95, 234, 181, 233, 187, 190,
3938 180, 96, 97, 98, 99, 100, 101, 102,
3939 104, 112, 182, 174, 236, 232, 229, 103,
3940 228, 226, 114, 115, 116, 117, 118, 119,
3941 120, 121, 122, 235, 176, 230, 194, 162,
3942 130, 131, 132, 133, 134, 135, 136, 137,
3943 138, 139, 201, 205, 163, 217, 220, 224,
3944 5, 248, 227, 244, 242, 255, 241, 231,
3945 240, 253, 16, 197, 19, 20, 21, 187,
3946 23, 169, 210, 245, 237, 249, 247, 239,
3947 168, 252, 34, 196, 36, 37, 38, 39,
3948 41, 42, 251, 254, 238, 223, 221, 213,
3949 225, 177, 52, 53, 54, 55, 56, 57,
3950 58, 59, 60, 61, 63, 64, 65, 66,
3951 67, 68, 69, 70, 71, 72, 74, 75,
3952 205, 208, 186, 202, 200, 218, 198, 179,
3953 178, 214, 88, 89, 90, 91, 92, 93,
3954 217, 166, 170, 207, 199, 209, 206, 204,
3955 160, 212, 105, 106, 108, 109, 110, 111,
3956 203, 113, 216, 215, 192, 175, 193, 243,
3957 172, 161, 123, 124, 125, 126, 127, 128,
3958 222, 219, 211, 195, 188, 193, 185, 184,
3959 191, 183, 141, 142, 143, 144, 145, 146
3960};
3961#else /* ascii rather than ebcdic */
22c35a8c 3962EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3963 1, 2, 84, 151, 154, 155, 156, 157,
3964 165, 246, 250, 3, 158, 7, 18, 29,
3965 40, 51, 62, 73, 85, 96, 107, 118,
3966 129, 140, 147, 148, 149, 150, 152, 153,
3967 255, 182, 224, 205, 174, 176, 180, 217,
3968 233, 232, 236, 187, 235, 228, 234, 226,
3969 222, 219, 211, 195, 188, 193, 185, 184,
3970 191, 183, 201, 229, 181, 220, 194, 162,
3971 163, 208, 186, 202, 200, 218, 198, 179,
3972 178, 214, 166, 170, 207, 199, 209, 206,
3973 204, 160, 212, 216, 215, 192, 175, 173,
3974 243, 172, 161, 190, 203, 189, 164, 230,
3975 167, 248, 227, 244, 242, 255, 241, 231,
3976 240, 253, 169, 210, 245, 237, 249, 247,
3977 239, 168, 252, 251, 254, 238, 223, 221,
3978 213, 225, 177, 197, 171, 196, 159, 4,
3979 5, 6, 8, 9, 10, 11, 12, 13,
3980 14, 15, 16, 17, 19, 20, 21, 22,
3981 23, 24, 25, 26, 27, 28, 30, 31,
3982 32, 33, 34, 35, 36, 37, 38, 39,
3983 41, 42, 43, 44, 45, 46, 47, 48,
3984 49, 50, 52, 53, 54, 55, 56, 57,
3985 58, 59, 60, 61, 63, 64, 65, 66,
3986 67, 68, 69, 70, 71, 72, 74, 75,
3987 76, 77, 78, 79, 80, 81, 82, 83,
3988 86, 87, 88, 89, 90, 91, 92, 93,
3989 94, 95, 97, 98, 99, 100, 101, 102,
3990 103, 104, 105, 106, 108, 109, 110, 111,
3991 112, 113, 114, 115, 116, 117, 119, 120,
3992 121, 122, 123, 124, 125, 126, 127, 128,
3993 130, 131, 132, 133, 134, 135, 136, 137,
3994 138, 139, 141, 142, 143, 144, 145, 146
3995};
9d116dd7 3996#endif
79072805 3997#else
22c35a8c 3998EXTCONST unsigned char PL_freq[];
79072805
LW		 3999#endif
4000
8990e307
LW		 4001#ifdef DEBUGGING
4002#ifdef DOINIT
27da23d5 4003EXTCONST char* const PL_block_type[] = {
8990e307
LW		 4004 "NULL",
4005 "SUB",
4006 "EVAL",
4007 "LOOP",
4008 "SUBST",
4009 "BLOCK",
4010};
4011#else
22c35a8c 4012EXTCONST char* PL_block_type[];
8990e307
LW		 4013#endif
4014#endif
4015
73c4f7a1
GS		 4016END_EXTERN_C
4017
79072805
LW		 4018/*****************************************************************************/
4019/* This lexer/parser stuff is currently global since yacc is hard to reenter */
4020/*****************************************************************************/
8990e307 4021/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 4022
d4c3c482 4023#ifdef __Lynx__
9cffb111
OS		 4024/* LynxOS defines these in scsi.h which is included via ioctl.h */
4025#ifdef FORMAT
4026#undef FORMAT
4027#endif
4028#ifdef SPACE
4029#undef SPACE
4030#endif
d4c3c482 4031#endif
9cffb111 4032
1fd33325
MHM		 4033/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
4034 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
4035 * it's not really needed.
4036 */
4037#if defined(WIN32)
4038# define YYTOKENTYPE
4039#endif
a0d0e21e
LW		 4040#include "perly.h"
4041
fb73857a 4042#define LEX_NOTPARSING 11 /* borrowed from toke.c */
4043
79072805
LW		 4044typedef enum {
4045 XOPERATOR,
4046 XTERM,
79072805 4047 XREF,
8990e307 4048 XSTATE,
a0d0e21e 4049 XBLOCK,
09bef843
SB		 4050 XATTRBLOCK,
4051 XATTRTERM,
6f33ba73
RGS		 4052 XTERMBLOCK,
4053 XTERMORDORDOR /* evil hack */
27308ded 4054 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 4055} expectation;
4056
dc9e4912
GS		 4057enum { /* pass one of these to get_vtbl */
4058 want_vtbl_sv,
4059 want_vtbl_env,
4060 want_vtbl_envelem,
4061 want_vtbl_sig,
4062 want_vtbl_sigelem,
4063 want_vtbl_pack,
4064 want_vtbl_packelem,
4065 want_vtbl_dbline,
4066 want_vtbl_isa,
4067 want_vtbl_isaelem,
4068 want_vtbl_arylen,
4069 want_vtbl_glob,
4070 want_vtbl_mglob,
4071 want_vtbl_nkeys,
4072 want_vtbl_taint,
4073 want_vtbl_substr,
4074 want_vtbl_vec,
4075 want_vtbl_pos,
4076 want_vtbl_bm,
4077 want_vtbl_fm,
4078 want_vtbl_uvar,
4079 want_vtbl_defelem,
4080 want_vtbl_regexp,
4081 want_vtbl_collxfrm,
4082 want_vtbl_amagic,
4083 want_vtbl_amagicelem,
dc9e4912 4084 want_vtbl_regdata,
810b8aa5 4085 want_vtbl_regdatum,
7e8c5dac 4086 want_vtbl_backref,
8d2f4536 4087 want_vtbl_utf8,
83bf042f
NC		 4088 want_vtbl_symtab,
4089 want_vtbl_arylen_p
dc9e4912
GS		 4090};
4091
85e6fe83
LW		 4092 /* Note: the lowest 8 bits are reserved for
4093 stuffing into op->op_private */
f3aa04c2 4094#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 4095#define HINT_INTEGER 0x00000001 /* integer pragma */
4096#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
4097#define HINT_LOCALE 0x00000004 /* locale pragma */
4098#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 4099/* #define HINT_notused10 0x00000010 */
a0ed51b3 4100 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 4101 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 4102
4103#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 4104#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
4105#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 4106
9cfe5470 4107/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 4108#define HINT_NEW_INTEGER 0x00001000
4109#define HINT_NEW_FLOAT 0x00002000
4110#define HINT_NEW_BINARY 0x00004000
4111#define HINT_NEW_STRING 0x00008000
4112#define HINT_NEW_RE 0x00010000
4113#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
4114
9cfe5470
RGS		 4115#define HINT_RE_TAINT 0x00100000 /* re pragma */
4116#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 4117
9cfe5470
RGS		 4118#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
4119#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 4120
8fa7688f 4121/* assertions pragma */
06492da6 4122#define HINT_ASSERTING 0x01000000
8fa7688f 4123#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 4124
9cfe5470 4125/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 4126#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
4127#define HINT_SORT_QUICKSORT 0x00000001
4128#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 4129#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 4130
8bfdd7d9 4131/* Various states of the input record separator SV (rs) */
d4cce5f1 4132#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 4133#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
4134#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 4135#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 4136
128e8167 4137/* A struct for keeping various DEBUGGING related stuff,
ce333219 4138 * neatly packed. Currently only scratch variables for
128e8167
JH		 4139 * constructing debug output are included. Needed always,
4140 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 4141struct perl_debug_pad {
4142 SV pad[3];
4143};
4144
4145#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 4146#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
4147 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
4148 PERL_DEBUG_PAD(i))
ce333219 4149
56953603 4150/* Enable variables which are pointers to functions */
a2efc822 4151typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 4152typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
4153typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
4154 char* strend, char* strbeg, I32 minend,
4155 SV* screamer, void* data, U32 flags);
f722798b
IZ		 4156typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
4157 char *strpos, char *strend,
4158 U32 flags,
4159 struct re_scream_pos_data_s *d);
4160typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
4161typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 4162
c76ac1ee 4163typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 4164typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
4165typedef void (*SVFUNC_t) (pTHX_ SV*);
4166typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
4167typedef void (*XSINIT_t) (pTHX);
4168typedef void (*ATEXIT_t) (pTHX_ void*);
4169typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 4170
22239a37
NIS		 4171/* Set up PERLVAR macros for populating structs */
4172#define PERLVAR(var,type) type var;
51371543 4173#define PERLVARA(var,n,type) type var[n];
22239a37 4174#define PERLVARI(var,type,init) type var;
3fe35a81 4175#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 4176#define PERLVARISC(var,init) const char var[sizeof(init)];
4177
4178typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
4179typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 4180
58a50f62
GS		 4181/* Interpreter exitlist entry */
4182typedef struct exitlistentry {
acfe0abc 4183 void (*fn) (pTHX_ void*);
58a50f62
GS		 4184 void *ptr;
4185} PerlExitListEntry;
4186
aadb217d
JH		 4187/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
4188/* These have to be before perlvars.h */
4189#if !defined(HAS_SIGACTION) && defined(VMS)
4190# define FAKE_PERSISTENT_SIGNAL_HANDLERS
4191#endif
4192/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
4193#if defined(KILL_BY_SIGPRC)
4194# define FAKE_DEFAULT_SIGNAL_HANDLERS
4195#endif
4196
22239a37
NIS		 4197#ifdef PERL_GLOBAL_STRUCT
4198struct perl_vars {
7766f137 4199# include "perlvars.h"
22239a37
NIS		 4200};
4201
7766f137 4202# ifdef PERL_CORE
27da23d5 4203# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 4204EXT struct perl_vars PL_Vars;
4205EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 4206# undef PERL_GET_VARS
4207# define PERL_GET_VARS() PL_VarsPtr
4208# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 4209# else /* PERL_CORE */
4210# if !defined(__GNUC__) || !defined(WIN32)
22239a37 4211EXT
7766f137 4212# endif /* WIN32 */
533c011a 4213struct perl_vars *PL_VarsPtr;
7766f137
GS		 4214# define PL_Vars (*((PL_VarsPtr) \
4215 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
4216# endif /* PERL_CORE */
22239a37
NIS		 4217#endif /* PERL_GLOBAL_STRUCT */
4218
acfe0abc 4219#if defined(MULTIPLICITY)
d460ef45 4220/* If we have multiple interpreters define a struct
d4cce5f1 4221 holding variables which must be per-interpreter
d460ef45 4222 If we don't have threads anything that would have
d4cce5f1
NIS		 4223 be per-thread is per-interpreter.
4224*/
4225
79072805 4226struct interpreter {
3db8f154 4227# include "thrdvar.h"
7766f137
GS		 4228# include "intrpvar.h"
4229/*
4230 * The following is a buffer where new variables must
acfe0abc 4231 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 4232 */
4233PERLVARA(object_compatibility,30, char)
49f531da 4234};
d4cce5f1 4235
79072805 4236#else
49f531da
NIS		 4237struct interpreter {
4238 char broiled;
4239};
acfe0abc 4240#endif /* MULTIPLICITY */
79072805 4241
22fae026 4242typedef void *Thread;
22239a37
NIS		 4243
4244/* Done with PERLVAR macros for now ... */
d4cce5f1 4245#undef PERLVAR
51371543 4246#undef PERLVARA
d4cce5f1 4247#undef PERLVARI
3fe35a81 4248#undef PERLVARIC
27da23d5 4249#undef PERLVARISC
79072805 4250
f7fe979e 4251struct tempsym; /* defined in pp_pack.c */
49704364 4252
22239a37 4253#include "thread.h"
79072805 4254#include "pp.h"
864dbfa3
GS		 4255
4256#ifndef PERL_CALLCONV
4257# define PERL_CALLCONV
d460ef45 4258#endif
0cb96387
GS		 4259#undef PERL_CKDEF
4260#undef PERL_PPDEF
0159f81b
JH		 4261#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4262#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4263
7766f137 4264#include "proto.h"
864dbfa3 4265
0cb96387 4266/* this has structure inits, so it cannot be included before here */
acfe0abc 4267#include "opcode.h"
864dbfa3 4268
d4cce5f1
NIS		 4269/* The following must follow proto.h as #defines mess up syntax */
4270
22c35a8c
GS		 4271#if !defined(PERL_FOR_X2P)
4272# include "embedvar.h"
4273#endif
d4cce5f1 4274
d460ef45 4275/* Now include all the 'global' variables
d4cce5f1 4276 * If we don't have threads or multiple interpreters
d460ef45 4277 * these include variables that would have been their struct-s
d4cce5f1 4278 */
d460ef45 4279
533c011a 4280#define PERLVAR(var,type) EXT type PL_##var;
51371543 4281#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4282#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4283#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4284#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4285
acfe0abc 4286#if !defined(MULTIPLICITY)
7766f137 4287START_EXTERN_C
066ef5b5 4288# include "intrpvar.h"
3db8f154 4289# include "thrdvar.h"
7766f137 4290END_EXTERN_C
22239a37
NIS		 4291#endif
4292
acfe0abc 4293#if defined(WIN32)
66a93824 4294/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4295# include "embed.h"
acfe0abc 4296#endif
22239a37 4297
c5be433b
GS		 4298#ifndef PERL_GLOBAL_STRUCT
4299START_EXTERN_C
4300
4301# include "perlvars.h"
4302
4303END_EXTERN_C
4304#endif
4305
d4cce5f1 4306#undef PERLVAR
51371543 4307#undef PERLVARA
d4cce5f1 4308#undef PERLVARI
0f3f18a6 4309#undef PERLVARIC
79072805 4310
73c4f7a1
GS		 4311START_EXTERN_C
4312
79072805 4313#ifdef DOINIT
27da23d5 4314# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {a,b,c,d,e,f,g}
2e2109e1 4315# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {(int (*)(pTHX_ SV *, MAGIC *))a,b,c,d,e,f,g} /* Like MGVTBL_SET but with the get magic having a const MG* */
4944113a 4316#else
27da23d5 4317# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
2e2109e1 4318# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
4944113a
AL		 4319#endif
4320
4321MGVTBL_SET(
4322 PL_vtbl_sv,
4323 MEMBER_TO_FPTR(Perl_magic_get),
4324 MEMBER_TO_FPTR(Perl_magic_set),
4325 MEMBER_TO_FPTR(Perl_magic_len),
4326 NULL,
4327 NULL,
4328 NULL,
4329 NULL
4330);
4331
4332MGVTBL_SET(
4333 PL_vtbl_env,
4334 NULL,
4335 MEMBER_TO_FPTR(Perl_magic_set_all_env),
4336 NULL,
4337 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4338 NULL,
4339 NULL,
4340 NULL
4341);
4342
4343MGVTBL_SET(
4344 PL_vtbl_envelem,
4345 NULL,
4346 MEMBER_TO_FPTR(Perl_magic_setenv),
4347 NULL,
4348 MEMBER_TO_FPTR(Perl_magic_clearenv),
4349 NULL,
4350 NULL,
4351 NULL
4352);
4353
4354MGVTBL_SET(
4355 PL_vtbl_sig,
4356 NULL,
4357 NULL,
4358 NULL,
4359 NULL,
4360 NULL,
4361 NULL,
4362 NULL
4363);
4364
9ba75e3c 4365#ifdef PERL_MICRO
4944113a
AL		 4366MGVTBL_SET(
4367 PL_vtbl_sigelem,
4944113a 4368 NULL, NULL, NULL, NULL, NULL, NULL, NULL
9ba75e3c
DD		 4369);
4370
64ca3a65 4371#else
9ba75e3c
DD		 4372MGVTBL_SET(
4373 PL_vtbl_sigelem,
4944113a
AL		 4374 MEMBER_TO_FPTR(Perl_magic_getsig),
4375 MEMBER_TO_FPTR(Perl_magic_setsig),
4376 NULL,
4377 MEMBER_TO_FPTR(Perl_magic_clearsig),
4378 NULL,
4379 NULL,
4380 NULL
4944113a 4381);
9ba75e3c 4382#endif
4944113a
AL		 4383
4384MGVTBL_SET(
4385 PL_vtbl_pack,
4386 NULL,
4387 NULL,
4388 MEMBER_TO_FPTR(Perl_magic_sizepack),
4389 MEMBER_TO_FPTR(Perl_magic_wipepack),
4390 NULL,
4391 NULL,
4392 NULL
4393);
4394
4395MGVTBL_SET(
4396 PL_vtbl_packelem,
4397 MEMBER_TO_FPTR(Perl_magic_getpack),
4398 MEMBER_TO_FPTR(Perl_magic_setpack),
4399 NULL,
4400 MEMBER_TO_FPTR(Perl_magic_clearpack),
4401 NULL,
4402 NULL,
4403 NULL
4404);
4405
4406MGVTBL_SET(
4407 PL_vtbl_dbline,
4408 NULL,
4409 MEMBER_TO_FPTR(Perl_magic_setdbline),
4410 NULL,
4411 NULL,
4412 NULL,
4413 NULL,
4414 NULL
4415);
4416
4417MGVTBL_SET(
4418 PL_vtbl_isa,
4419 NULL,
4420 MEMBER_TO_FPTR(Perl_magic_setisa),
4421 NULL,
4422 MEMBER_TO_FPTR(Perl_magic_setisa),
4423 NULL,
4424 NULL,
4425 NULL
4426);
4427
4428MGVTBL_SET(
4429 PL_vtbl_isaelem,
4430 NULL,
4431 MEMBER_TO_FPTR(Perl_magic_setisa),
4432 NULL,
4433 NULL,
4434 NULL,
4435 NULL,
4436 NULL
4437);
4438
2e2109e1 4439MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4440 PL_vtbl_arylen,
4441 MEMBER_TO_FPTR(Perl_magic_getarylen),
4442 MEMBER_TO_FPTR(Perl_magic_setarylen),
4443 NULL,
4444 NULL,
4445 NULL,
4446 NULL,
4447 NULL
4448);
4449
4450MGVTBL_SET(
83bf042f
NC		 4451 PL_vtbl_arylen_p,
4452 NULL,
4453 NULL,
4454 NULL,
4455 NULL,
4456 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
4457 NULL,
4458 NULL
4459);
4460
4461MGVTBL_SET(
4944113a
AL		 4462 PL_vtbl_glob,
4463 MEMBER_TO_FPTR(Perl_magic_getglob),
4464 MEMBER_TO_FPTR(Perl_magic_setglob),
4465 NULL,
4466 NULL,
4467 NULL,
4468 NULL,
4469 NULL
4470);
4471
4472MGVTBL_SET(
4473 PL_vtbl_mglob,
4474 NULL,
4475 MEMBER_TO_FPTR(Perl_magic_setmglob),
4476 NULL,
4477 NULL,
4478 NULL,
4479 NULL,
4480 NULL
4481);
4482
4483MGVTBL_SET(
4484 PL_vtbl_nkeys,
4485 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4486 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4487 NULL,
4488 NULL,
4489 NULL,
4490 NULL,
4491 NULL
4492);
4493
4494MGVTBL_SET(
4495 PL_vtbl_taint,
4496 MEMBER_TO_FPTR(Perl_magic_gettaint),
4497 MEMBER_TO_FPTR(Perl_magic_settaint),
4498 NULL,
4499 NULL,
4500 NULL,
4501 NULL,
4502 NULL
4503);
4504
4505MGVTBL_SET(
4506 PL_vtbl_substr,
4507 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4508 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4509 NULL,
4510 NULL,
4511 NULL,
4512 NULL,
4513 NULL
4514);
4515
4516MGVTBL_SET(
4517 PL_vtbl_vec,
4518 MEMBER_TO_FPTR(Perl_magic_getvec),
4519 MEMBER_TO_FPTR(Perl_magic_setvec),
4520 NULL,
4521 NULL,
4522 NULL,
4523 NULL,
4524 NULL
4525);
4526
4527MGVTBL_SET(
4528 PL_vtbl_pos,
4529 MEMBER_TO_FPTR(Perl_magic_getpos),
4530 MEMBER_TO_FPTR(Perl_magic_setpos),
4531 NULL,
4532 NULL,
4533 NULL,
4534 NULL,
4535 NULL
4536);
4537
4538MGVTBL_SET(
4539 PL_vtbl_bm,
4540 NULL,
4541 MEMBER_TO_FPTR(Perl_magic_setbm),
4542 NULL,
4543 NULL,
4544 NULL,
4545 NULL,
4546 NULL
4547);
4548
4549MGVTBL_SET(
4550 PL_vtbl_fm,
4551 NULL,
4552 MEMBER_TO_FPTR(Perl_magic_setfm),
4553 NULL,
4554 NULL,
4555 NULL,
4556 NULL,
4557 NULL
4558);
4559
4560MGVTBL_SET(
4561 PL_vtbl_uvar,
4562 MEMBER_TO_FPTR(Perl_magic_getuvar),
4563 MEMBER_TO_FPTR(Perl_magic_setuvar),
4564 NULL,
4565 NULL,
4566 NULL,
4567 NULL,
4568 NULL
4569);
4570
4571MGVTBL_SET(
4572 PL_vtbl_defelem,
4573 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4574 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4575 NULL,
4576 NULL,
4577 NULL,
4578 NULL,
4579 NULL
4580);
4581
4582MGVTBL_SET(
4583 PL_vtbl_regexp,
4584 NULL,
4585 MEMBER_TO_FPTR(Perl_magic_setregexp),
4586 NULL,
4587 NULL,
4588 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4589 NULL,
4590 NULL
4591);
4592
4593MGVTBL_SET(
4594 PL_vtbl_regdata,
4595 NULL,
4596 NULL,
4597 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4598 NULL,
4599 NULL,
4600 NULL,
4601 NULL
4602);
4603
4604MGVTBL_SET(
4605 PL_vtbl_regdatum,
4606 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4607 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4608 NULL,
4609 NULL,
4610 NULL,
4611 NULL,
4612 NULL
4613);
4614
4615MGVTBL_SET(
4616 PL_vtbl_amagic,
4617 NULL,
4618 MEMBER_TO_FPTR(Perl_magic_setamagic),
4619 NULL,
4620 NULL,
4621 MEMBER_TO_FPTR(Perl_magic_setamagic),
4622 NULL,
4623 NULL
4624);
4625
4626MGVTBL_SET(
4627 PL_vtbl_amagicelem,
4628 NULL,
4629 MEMBER_TO_FPTR(Perl_magic_setamagic),
4630 NULL,
4631 NULL,
4632 MEMBER_TO_FPTR(Perl_magic_setamagic),
4633 NULL,
4634 NULL
4635);
4636
4637MGVTBL_SET(
4638 PL_vtbl_backref,
4639 NULL,
4640 NULL,
4641 NULL,
4642 NULL,
4643 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4644 NULL,
4645 NULL
4646);
4647
4648MGVTBL_SET(
4649 PL_vtbl_ovrld,
4650 NULL,
4651 NULL,
4652 NULL,
4653 NULL,
4654 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4655 NULL,
4656 NULL
4657);
4658
4659MGVTBL_SET(
4660 PL_vtbl_utf8,
4661 NULL,
4662 MEMBER_TO_FPTR(Perl_magic_setutf8),
4663 NULL,
4664 NULL,
4665 NULL,
4666 NULL,
4667 NULL
4668);
36477c24 4669#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4670MGVTBL_SET(
4671 PL_vtbl_collxfrm,
4672 NULL,
4673 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4674 NULL,
4675 NULL,
4676 NULL,
4677 NULL,
4678 NULL
4679);
bbce6d69 4680#endif
a0d0e21e 4681
85e6fe83 4682
f5284f61
IZ		 4683enum {
4684 fallback_amg, abs_amg,
4685 bool__amg, nomethod_amg,
4686 string_amg, numer_amg,
4687 add_amg, add_ass_amg,
4688 subtr_amg, subtr_ass_amg,
4689 mult_amg, mult_ass_amg,
4690 div_amg, div_ass_amg,
4691 modulo_amg, modulo_ass_amg,
4692 pow_amg, pow_ass_amg,
4693 lshift_amg, lshift_ass_amg,
4694 rshift_amg, rshift_ass_amg,
4695 band_amg, band_ass_amg,
4696 bor_amg, bor_ass_amg,
4697 bxor_amg, bxor_ass_amg,
4698 lt_amg, le_amg,
4699 gt_amg, ge_amg,
4700 eq_amg, ne_amg,
4701 ncmp_amg, scmp_amg,
4702 slt_amg, sle_amg,
4703 sgt_amg, sge_amg,
4704 seq_amg, sne_amg,
4705 not_amg, compl_amg,
4706 inc_amg, dec_amg,
4707 atan2_amg, cos_amg,
4708 sin_amg, exp_amg,
4709 log_amg, sqrt_amg,
4710 repeat_amg, repeat_ass_amg,
4711 concat_amg, concat_ass_amg,
4712 copy_amg, neg_amg,
4713 to_sv_amg, to_av_amg,
4714 to_hv_amg, to_gv_amg,
d460ef45 4715 to_cv_amg, iter_amg,
f216259d
IZ		 4716 int_amg, DESTROY_amg,
4717 max_amg_code
64a0062a 4718 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 4719};
4720
4721#define NofAMmeth max_amg_code
e1ec3a88 4722#define AMG_id2name(id) (PL_AMG_names[id]+1)
f5284f61 4723
a0d0e21e 4724#ifdef DOINIT
27da23d5 4725EXTCONST char * const PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 4726 /* Names kept in the symbol table. fallback => "()", the rest has
4727 "(" prepended. The only other place in perl which knows about
4728 this convention is AMG_id2name (used for debugging output and
4729 'nomethod' only), the only other place which has it hardwired is
4730 overload.pm. */
4731 "()", "(abs", /* "fallback" should be the first. */
4732 "(bool", "(nomethod",
4733 "(\"\"", "(0+",
4734 "(+", "(+=",
4735 "(-", "(-=",
4736 "(*", "(*=",
4737 "(/", "(/=",
4738 "(%", "(%=",
4739 "(**", "(**=",
4740 "(<<", "(<<=",
4741 "(>>", "(>>=",
4742 "(&", "(&=",
4743 "(|", "(|=",
4744 "(^", "(^=",
4745 "(<", "(<=",
4746 "(>", "(>=",
4747 "(==", "(!=",
4748 "(<=>", "(cmp",
4749 "(lt", "(le",
4750 "(gt", "(ge",
4751 "(eq", "(ne",
4752 "(!", "(~",
4753 "(++", "(--",
4754 "(atan2", "(cos",
4755 "(sin", "(exp",
4756 "(log", "(sqrt",
4757 "(x", "(x=",
4758 "(.", "(.=",
4759 "(=", "(neg",
4760 "(${}", "(@{}",
4761 "(%{}", "(*{}",
4762 "(&{}", "(<>",
f216259d 4763 "(int", "DESTROY",
a0d0e21e
LW		 4764};
4765#else
22c35a8c 4766EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4767#endif /* def INITAMAGIC */
4768
73c4f7a1
GS		 4769END_EXTERN_C
4770
a6006777 4771struct am_table {
eb160463 4772 U32 was_ok_sub;
a0d0e21e 4773 long was_ok_am;
a6006777 4774 U32 flags;
4775 CV* table[NofAMmeth];
a0d0e21e
LW		 4776 long fallback;
4777};
a6006777 4778struct am_table_short {
eb160463 4779 U32 was_ok_sub;
a6006777 4780 long was_ok_am;
4781 U32 flags;
4782};
a0d0e21e 4783typedef struct am_table AMT;
a6006777 4784typedef struct am_table_short AMTS;
a0d0e21e
LW		 4785
4786#define AMGfallNEVER 1
4787#define AMGfallNO 2
4788#define AMGfallYES 3
4789
a6006777 4790#define AMTf_AMAGIC 1
32251b26 4791#define AMTf_OVERLOADED 2
a6006777 4792#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4793#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4794#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4795#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4796#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4797#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4798
32251b26 4799#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4800
4801/*
4802 * some compilers like to redefine cos et alia as faster
4803 * (and less accurate?) versions called F_cos et cetera (Quidquid
4804 * latine dictum sit, altum viditur.) This trick collides with
4805 * the Perl overloading (amg). The following #defines fool both.
4806 */
4807
4808#ifdef _FASTMATH
4809# ifdef atan2
4810# define F_atan2_amg atan2_amg
4811# endif
4812# ifdef cos
4813# define F_cos_amg cos_amg
4814# endif
4815# ifdef exp
4816# define F_exp_amg exp_amg
4817# endif
4818# ifdef log
4819# define F_log_amg log_amg
4820# endif
4821# ifdef pow
4822# define F_pow_amg pow_amg
4823# endif
4824# ifdef sin
4825# define F_sin_amg sin_amg
4826# endif
4827# ifdef sqrt
4828# define F_sqrt_amg sqrt_amg
4829# endif
4830#endif /* _FASTMATH */
4831
83ee9e09
GS		 4832#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4833 PERLDBf_NOOPT | PERLDBf_INTER | \
4834 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 4835 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
4836 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 4837#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4838#define PERLDBf_LINE 0x02 /* Keep line # */
4839#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4840#define PERLDBf_INTER 0x08 /* Preserve more data for
4841 later inspections */
4842#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4843#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4844#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4845#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4846#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4847#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 4848#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 4849
3280af22
NIS		 4850#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4851#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4852#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4853#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4854#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4855#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4856#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4857#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 4858#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4859#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 4860#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 4861
36477c24 4862#ifdef USE_LOCALE_NUMERIC
bbce6d69 4863
36477c24 4864#define SET_NUMERIC_STANDARD() \
ff4fed7c 4865 set_numeric_standard();
36477c24 4866
4867#define SET_NUMERIC_LOCAL() \
ff4fed7c 4868 set_numeric_local();
bbce6d69 4869
2de3dbcc
JH		 4870#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
4871#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4872
4873#define IN_LOCALE \
923e4eb5 4874 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 4875
f93f4e46 4876#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 4877 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 4878 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 4879
4880#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 4881 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 4882 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 4883
4884#define RESTORE_NUMERIC_LOCAL() \
4885 if (was_local) SET_NUMERIC_LOCAL();
4886
4887#define RESTORE_NUMERIC_STANDARD() \
4888 if (was_standard) SET_NUMERIC_STANDARD();
4889
5b877257 4890#define Atof my_atof
097ee67d 4891
36477c24 4892#else /* !USE_LOCALE_NUMERIC */
bbce6d69 4893
097ee67d
JH		 4894#define SET_NUMERIC_STANDARD() /**/
4895#define SET_NUMERIC_LOCAL() /**/
5e931b6b 4896#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 4897#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4898#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 4899#define RESTORE_NUMERIC_LOCAL() /**/
4900#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 4901#define Atof my_atof
ad3e0f90 4902#define IN_LOCALE_RUNTIME 0
bbce6d69 4903
36477c24 4904#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 4905
079290de 4906#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4907# ifdef __hpux
4908# define strtoll __strtoll /* secret handshake */
4909# endif
c623ac67
GS		 4910# ifdef WIN64
4911# define strtoll _strtoi64 /* secret handshake */
4912# endif
079290de
GS		 4913# if !defined(Strtol) && defined(HAS_STRTOLL)
4914# define Strtol strtoll
ad551343 4915# endif
28e5dec8
JH		 4916# if !defined(Strtol) && defined(HAS_STRTOQ)
4917# define Strtol strtoq
4918# endif
ff935051 4919/* is there atoq() anywhere? */
15b99d39 4920#endif
079290de
GS		 4921#if !defined(Strtol) && defined(HAS_STRTOL)
4922# define Strtol strtol
4923#endif
4924#ifndef Atol
4925/* It would be more fashionable to use Strtol() to define atol()
4926 * (as is done for Atoul(), see below) but for backward compatibility
4927 * we just assume atol(). */
76b882ba 4928# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 4929# ifdef WIN64
4930# define atoll _atoi64 /* secret handshake */
4931# endif
76b882ba
JH		 4932# define Atol atoll
4933# else
4934# define Atol atol
4935# endif
cf2093f6
JH		 4936#endif
4937
55eb892c 4938#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4939# ifdef __hpux
4940# define strtoull __strtoull /* secret handshake */
4941# endif
c623ac67
GS		 4942# ifdef WIN64
4943# define strtoull _strtoui64 /* secret handshake */
4944# endif
ad551343 4945# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 4946# define Strtoul strtoull
15b99d39 4947# endif
079290de
GS		 4948# if !defined(Strtoul) && defined(HAS_STRTOUQ)
4949# define Strtoul strtouq
4950# endif
76d49b1c 4951/* is there atouq() anywhere? */
ad551343 4952#endif
079290de
GS		 4953#if !defined(Strtoul) && defined(HAS_STRTOUL)
4954# define Strtoul strtoul
cf2093f6 4955#endif
a5523c5b
JH		 4956#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
4957# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
4958#endif
079290de
GS		 4959#ifndef Atoul
4960# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 4961#endif
cf2093f6 4962
760ac839 4963
06d86050
GS		 4964/* if these never got defined, they need defaults */
4965#ifndef PERL_SET_CONTEXT
4966# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
4967#endif
4968
4969#ifndef PERL_GET_CONTEXT
4970# define PERL_GET_CONTEXT PERL_GET_INTERP
4971#endif
4972
4973#ifndef PERL_GET_THX
4974# define PERL_GET_THX ((void*)NULL)
4975#endif
4976
4977#ifndef PERL_SET_THX
4978# define PERL_SET_THX(t) NOOP
4979#endif
4980
a868473f
NIS		 4981#ifndef PERL_SCRIPT_MODE
4982#define PERL_SCRIPT_MODE "r"
4983#endif
4984
fba3b22e 4985/*
da927450
JH		 4986 * Some operating systems are stingy with stack allocation,
4987 * so perl may have to guard against stack overflow.
4988 */
4989#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 4990#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 4991#endif
4992
4993/*
4994 * Some nonpreemptive operating systems find it convenient to
4995 * check for asynchronous conditions after each op execution.
4996 * Keep this check simple, or it may slow down execution
4997 * massively.
4998 */
ce08f86c 4999
1d615522 5000#ifndef PERL_MICRO
4ffa73a3
JH		 5001# ifndef PERL_ASYNC_CHECK
5002# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
5003# endif
ce08f86c
NIS		 5004#endif
5005
da927450 5006#ifndef PERL_ASYNC_CHECK
1d615522 5007# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 5008#endif
5009
5010/*
5011 * On some operating systems, a memory allocation may succeed,
5012 * but put the process too close to the system's comfort limit.
5013 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
5014 * it to NULL.
5015 */
5016#ifndef PERL_ALLOC_CHECK
c2af87cb 5017#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 5018#endif
5019
bd89102f
AD		 5020#ifdef HAS_SEM
5021# include <sys/ipc.h>
5022# include <sys/sem.h>
5023# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
5024 union semun {
dbba660d
TC		 5025 int val;
5026 struct semid_ds *buf;
5027 unsigned short *array;
bd89102f
AD		 5028 };
5029# endif
5030# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 5031# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
5032 union gccbug_semun {
5033 int val;
5034 struct semid_ds *buf;
5035 unsigned short *array;
5036 char __dummy[5];
5037 };
5038# define semun gccbug_semun
5039# endif
bd89102f
AD		 5040# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
5041# else
5042# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 5043# ifdef EXTRA_F_IN_SEMUN_BUF
5044# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
5045# else
5046# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
5047# endif
bd89102f
AD		 5048# endif
5049# endif
bd89102f 5050#endif
49f531da 5051
89ca4ac7
JH		 5052/*
5053 * Boilerplate macros for initializing and accessing interpreter-local
5054 * data from C. All statics in extensions should be reworked to use
5055 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 5056 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 5057 *
5058 * Code that uses these macros is responsible for the following:
43a739c2
JH		 5059 * 1. #define MY_CXT_KEY to a unique string, e.g.
5060 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 5061 * 2. Declare a typedef named my_cxt_t that is a structure that contains
5062 * all the data that needs to be interpreter-local.
5063 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
5064 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
5065 * (typically put in the BOOT: section).
5066 * 5. Use the members of the my_cxt_t structure everywhere as
5067 * MY_CXT.member.
5068 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
5069 * access MY_CXT.
5070 */
5071
fc958cd2 5072#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 5073
5074/* This must appear in all extensions that define a my_cxt_t structure,
5075 * right after the definition (i.e. at file scope). The non-threads
5076 * case below uses it to declare the data as static. */
5077#define START_MY_CXT
5078
5079/* Fetches the SV that keeps the per-interpreter data. */
5080#define dMY_CXT_SV \
5081 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
5082 sizeof(MY_CXT_KEY)-1, TRUE)
5083
5084/* This declaration should be used within all functions that use the
5085 * interpreter-local data. */
5086#define dMY_CXT \
5087 dMY_CXT_SV; \
ec0e15e0 5088 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 5089
5090/* Creates and zeroes the per-interpreter data.
5091 * (We allocate my_cxtp in a Perl SV so that it will be released when
5092 * the interpreter goes away.) */
5093#define MY_CXT_INIT \
5094 dMY_CXT_SV; \
5095 /* newSV() allocates one more than needed */ \
5096 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5097 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 5098 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7 5099
8fba5d14
MHM		 5100/* Clones the per-interpreter data. */
5101#define MY_CXT_CLONE \
5102 dMY_CXT_SV; \
5103 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
5104 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\
5105 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
5106
89ca4ac7
JH		 5107/* This macro must be used to access members of the my_cxt_t structure.
5108 * e.g. MYCXT.some_data */
5109#define MY_CXT (*my_cxtp)
5110
5111/* Judicious use of these macros can reduce the number of times dMY_CXT
5112 * is used. Use is similar to pTHX, aTHX etc. */
5113#define pMY_CXT my_cxt_t *my_cxtp
5114#define pMY_CXT_ pMY_CXT,
5115#define _pMY_CXT ,pMY_CXT
5116#define aMY_CXT my_cxtp
5117#define aMY_CXT_ aMY_CXT,
5118#define _aMY_CXT ,aMY_CXT
5119
5120#else /* USE_ITHREADS */
5121
5122#define START_MY_CXT static my_cxt_t my_cxt;
5123#define dMY_CXT_SV dNOOP
5124#define dMY_CXT dNOOP
5125#define MY_CXT_INIT NOOP
8fba5d14 5126#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 5127#define MY_CXT my_cxt
5128
5129#define pMY_CXT void
5130#define pMY_CXT_
5131#define _pMY_CXT
5132#define aMY_CXT
5133#define aMY_CXT_
5134#define _aMY_CXT
5135
5136#endif /* !defined(USE_ITHREADS) */
5137
9a34ef1d
GS		 5138#ifdef I_FCNTL
5139# include <fcntl.h>
9a34ef1d
GS		 5140#endif
5141
9cffb111
OS		 5142#ifdef __Lynx__
5143# include <fcntl.h>
5144#endif
5145
9a34ef1d
GS		 5146#ifdef I_SYS_FILE
5147# include <sys/file.h>
5148#endif
5149
fa0a29af 5150#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 5151int flock(int fd, int op);
5152#endif
5153
fe52b3b7
GS		 5154#ifndef O_RDONLY
5155/* Assume UNIX defaults */
5156# define O_RDONLY 0000
5157# define O_WRONLY 0001
5158# define O_RDWR 0002
5159# define O_CREAT 0100
5160#endif
9a34ef1d 5161
16fe6d59
GS		 5162#ifndef O_BINARY
5163# define O_BINARY 0
5164#endif
5165
5166#ifndef O_TEXT
5167# define O_TEXT 0
5168#endif
5169
6ce75a77
JH		 5170#if O_TEXT != O_BINARY
5171 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
5172 * that is, you are somehow DOSish. */
538204d5 5173# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 5174 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
5175 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 5176 /* VOS has O_TEXT != O_BINARY, and they have effect,
5177 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 5178 /* If you have O_TEXT different from your O_BINARY but you still are
5179 * not a CRLF shop. */
35990314 5180# undef PERLIO_USING_CRLF
ec53fe4f
JH		 5181# else
5182 /* If you really are DOSish. */
5183# define PERLIO_USING_CRLF 1
6ce75a77
JH		 5184# endif
5185#endif
5186
104d25b7
JH		 5187#ifdef IAMSUID
5188
5189#ifdef I_SYS_STATVFS
9f982a77
IG		 5190# if defined(PERL_SCO) && !defined(_SVID3)
5191# define _SVID3
5192# endif
32b3cf08
JH		 5193# include <sys/statvfs.h> /* for f?statvfs() */
5194#endif
5195#ifdef I_SYS_MOUNT
5196# include <sys/mount.h> /* for *BSD f?statfs() */
5197#endif
5198#ifdef I_MNTENT
5199# include <mntent.h> /* for getmntent() */
104d25b7 5200#endif
0545a864
JH		 5201#ifdef I_SYS_STATFS
5202# include <sys/statfs.h> /* for some statfs() */
5203#endif
5204#ifdef I_SYS_VFS
8d9e1a19
GS		 5205# ifdef __sgi
5206# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
5207# endif
5208# include <sys/vfs.h> /* for some statfs() */
5209# ifdef __sgi
5210# undef IRIX_sv
5211# endif
0545a864
JH		 5212#endif
5213#ifdef I_USTAT
5214# include <ustat.h> /* for ustat() */
5215#endif
5216
5217#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
5218# define PERL_MOUNT_NOSUID MOUNT_NOSUID
5219#endif
5220#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
5221# define PERL_MOUNT_NOSUID MNT_NOSUID
5222#endif
5223#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
5224# define PERL_MOUNT_NOSUID MS_NOSUID
5225#endif
5226#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
5227# define PERL_MOUNT_NOSUID M_NOSUID
5228#endif
104d25b7 5229
ae3f3efd
PS		 5230#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
5231# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
5232#endif
5233#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
5234# define PERL_MOUNT_NOEXEC MNT_NOEXEC
5235#endif
5236#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
5237# define PERL_MOUNT_NOEXEC MS_NOEXEC
5238#endif
5239#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
5240# define PERL_MOUNT_NOEXEC M_NOEXEC
5241#endif
5242
104d25b7
JH		 5243#endif /* IAMSUID */
5244
4bc88a62
PS		 5245#ifdef I_LIBUTIL
5246# include <libutil.h> /* setproctitle() in some FreeBSDs */
5247#endif
5248
b4748376
NIS		 5249#ifndef EXEC_ARGV_CAST
5250#define EXEC_ARGV_CAST(x) x
5251#endif
5252
dd5dc04f
JH		 5253#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
5254 int). value returned in pointed-
5255 to UV */
5256#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
5257#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
5258#define IS_NUMBER_NEG 0x08 /* leading minus sign */
5259#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 5260#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 5261
5262#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5263
53305cf1
NC		 5264/* Input flags: */
5265#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5266#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5267#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5268/* Output flags: */
5269#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5270
2c4f7f0e
DM		 5271/* to let user control profiling */
5272#ifdef PERL_GPROF_CONTROL
5273extern void moncontrol(int);
5274#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5275#else
5276#define PERL_GPROF_MONCONTROL(x)
5277#endif
5278
ae0e3d3b
JH		 5279#ifdef UNDER_CE
5280#include "wince.h"
5281#endif
5282
5283/* ISO 6429 NEL - C1 control NExt Line */
5284/* See http://www.unicode.org/unicode/reports/tr13/ */
5285#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5286# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5287# define NEXT_LINE_CHAR 0x15
5288# else /* CDRA */
5289# define NEXT_LINE_CHAR 0x25
5290# endif
5291#else
5292# define NEXT_LINE_CHAR 0x85
5293#endif
5294
5295/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5296#define UNICODE_LINE_SEPA_0 0xE2
5297#define UNICODE_LINE_SEPA_1 0x80
5298#define UNICODE_LINE_SEPA_2 0xA8
5299#define UNICODE_PARA_SEPA_0 0xE2
5300#define UNICODE_PARA_SEPA_1 0x80
5301#define UNICODE_PARA_SEPA_2 0xA9
5302
479b2847
GS		 5303#ifndef PIPESOCK_MODE
5304# define PIPESOCK_MODE
5305#endif
5306
460c8493
IZ		 5307#ifndef SOCKET_OPEN_MODE
5308# define SOCKET_OPEN_MODE PIPESOCK_MODE
5309#endif
5310
5311#ifndef PIPE_OPEN_MODE
5312# define PIPE_OPEN_MODE PIPESOCK_MODE
5313#endif
5314
7e8c5dac
HS		 5315#define PERL_MAGIC_UTF8_CACHESIZE 2
5316
a05d7ebb
JH		 5317#define PERL_UNICODE_STDIN_FLAG 0x0001
5318#define PERL_UNICODE_STDOUT_FLAG 0x0002
5319#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5320#define PERL_UNICODE_IN_FLAG 0x0008
5321#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5322#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5323#define PERL_UNICODE_LOCALE_FLAG 0x0040
5324#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5325
06e66572
JH		 5326#define PERL_UNICODE_STD_FLAG \
5327 (PERL_UNICODE_STDIN_FLAG | \
5328 PERL_UNICODE_STDOUT_FLAG | \
5329 PERL_UNICODE_STDERR_FLAG)
5330
5331#define PERL_UNICODE_INOUT_FLAG \
5332 (PERL_UNICODE_IN_FLAG | \
5333 PERL_UNICODE_OUT_FLAG)
5334
5335#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5336 (PERL_UNICODE_STD_FLAG | \
5337 PERL_UNICODE_INOUT_FLAG | \
5338 PERL_UNICODE_LOCALE_FLAG)
5339
5340#define PERL_UNICODE_ALL_FLAGS 0x00ff
5341
5342#define PERL_UNICODE_STDIN 'I'
5343#define PERL_UNICODE_STDOUT 'O'
5344#define PERL_UNICODE_STDERR 'E'
5345#define PERL_UNICODE_STD 'S'
5346#define PERL_UNICODE_IN 'i'
5347#define PERL_UNICODE_OUT 'o'
5348#define PERL_UNICODE_INOUT 'D'
5349#define PERL_UNICODE_ARGV 'A'
5350#define PERL_UNICODE_LOCALE 'L'
5351#define PERL_UNICODE_WIDESYSCALLS 'W'
5352
4ffa73a3
JH		 5353#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5354
16bd9a85
JH		 5355/* From sigaction(2) (FreeBSD man page):
5356 * | Signal routines normally execute with the signal that
5357 * | caused their invocation blocked, but other signals may
5358 * | yet occur.
5359 * Emulation of this behavior (from within Perl) is enabled
5360 * by defining PERL_BLOCK_SIGNALS.
5361 */
5362#define PERL_BLOCK_SIGNALS
5363
5364#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5365# define PERL_BLOCKSIG_ADD(set,sig) \
5366 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5367# define PERL_BLOCKSIG_BLOCK(set) \
5368 sigprocmask(SIG_BLOCK, &(set), NULL)
5369# define PERL_BLOCKSIG_UNBLOCK(set) \
5370 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5371#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5372
5373/* How about the old style of sigblock()? */
5374
5375#ifndef PERL_BLOCKSIG_ADD
5376# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5377#endif
5378#ifndef PERL_BLOCKSIG_BLOCK
5379# define PERL_BLOCKSIG_BLOCK(set) NOOP
5380#endif
2bfba5f0 5381#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5382# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5383#endif
5384
32fdb065 5385/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5386 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5387#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5388
3c0f78ca
JH		 5389#if defined(__DECC) && defined(__osf__)
5390#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5391#endif
5392
9555a685
NC		 5393#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(__SYMBIAN32__) && !defined(MACOS_TRADITIONAL)
5394#define PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
5395#endif
5396
e4dba786
NC		 5397#define do_open(g, n, l, a, rm, rp, sf) \
5398 do_openn(g, n, l, a, rm, rp, sf, (SV **) NULL, 0)
9555a685 5399#ifdef PERL_DEFAULT_DO_EXEC3_IMPLEMENTATION
a9f96b3f
NC		 5400#define do_exec(cmd) do_exec3(cmd,0,0)
5401#endif
5402#ifndef OS2
5403#define do_aexec(really, mark,sp) do_aexec5(really, mark, sp, 0, 0)
9555a685 5404#endif
e4dba786 5405
4d8076ea 5406/* and finally... */
cceca5ed 5407#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5408#include "patchlevel.h"
cceca5ed 5409#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5410
43999f95 5411/* Mention
d460ef45 5412
43999f95 5413 NV_PRESERVES_UV
fe749a9f 5414
fe749a9f
JH		 5415 HAS_MKSTEMP
5416 HAS_MKSTEMPS
5417 HAS_MKDTEMP
5418
49dabb45
JH		 5419 HAS_GETCWD
5420
d59b5429 5421 HAS_MMAP
fe749a9f
JH		 5422 HAS_MPROTECT
5423 HAS_MSYNC
1e8c3fde 5424 HAS_MADVISE
fe749a9f
JH		 5425 HAS_MUNMAP
5426 I_SYSMMAN
5427 Mmap_t
5428
6b4667fc
A		 5429 NVef
5430 NVff
5431 NVgf
5432
4e0554ec 5433 HAS_UALARM
2d736872 5434 HAS_USLEEP
4e0554ec
JH		 5435
5436 HAS_SETITIMER
5437 HAS_GETITIMER
5438
5439 HAS_SENDMSG
5440 HAS_RECVMSG
5441 HAS_READV
5442 HAS_WRITEV
5443 I_SYSUIO
5444 HAS_STRUCT_MSGHDR
5445 HAS_STRUCT_CMSGHDR
5446
2765b840 5447 HAS_NL_LANGINFO
0a7020c9 5448
ae0e3d3b 5449 HAS_DIRFD
2765b840 5450
43999f95
JH		 5451 so that Configure picks them up. */
5452
85e6fe83 5453#endif /* Include guard */
ae0e3d3b 5454
Unnamed repository; edit this file 'description' to name the repository.