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[perl #22236] File::Basename behavior is misleading
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH		 79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
27da23d5
JH		 85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 109# define USE_REENTRANT_API
110#endif
111
ac6bedea
JH		 112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
6239f2da
JH		 115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
27da23d5
JH		 125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
3db8f154
MB		 151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
27da23d5
JH		 153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
4373e329 165# define pTHX_1 2
894356b3
GS		 166# define pTHX_2 3
167# define pTHX_3 4
168# define pTHX_4 5
4373e329
AL		 169# define pTHX_5 6
170# define pTHX_6 7
a3b680e6
AL		 171# define pTHX_7 8
172# define pTHX_8 9
173# define pTHX_9 10
c5be433b
GS		 174#endif
175
76e3520e
GS		 176#define STATIC static
177#define CPERLscope(x) x
565764a8 178#define CPERLarg void
76e3520e 179#define CPERLarg_
e3b8966e 180#define _CPERLarg
1d583055
GS		 181#define PERL_OBJECT_THIS
182#define _PERL_OBJECT_THIS
183#define PERL_OBJECT_THIS_
312caa8e 184#define CALL_FPTR(fptr) (*fptr)
76e3520e 185
312caa8e
CS		 186#define CALLRUNOPS CALL_FPTR(PL_runops)
187#define CALLREGCOMP CALL_FPTR(PL_regcompp)
188#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 189#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
190#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
191#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8 192
5b2bd0a5
AMS		 193#if defined(SYMBIAN) && defined(__GNUC__)
194# ifdef __cplusplus
195# define PERL_UNUSED_DECL
196# else
197# define PERL_UNUSED_DECL __attribute__((unused))
198# endif
199#endif
44dbb695 200
5b2bd0a5 201#ifndef PERL_UNUSED_DECL
b79c357a
RGS		 202# ifdef HASATTRIBUTE_UNUSED
203# define PERL_UNUSED_DECL __attribute__unused__
204# else
205# define PERL_UNUSED_DECL
206# endif
5b2bd0a5
AMS		 207#endif
208
349b520e
DM		 209/* gcc -Wall:
210 * for silencing unused variables that are actually used most of the time,
a0288114 211 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
349b520e 212 */
53c1dcc0 213#ifndef PERL_UNUSED_ARG
ad73156c
AL		 214# ifdef lint
215# include <note.h>
53c1dcc0 216# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
ad73156c 217# else
53c1dcc0 218# define PERL_UNUSED_ARG(x) ((void)x)
ad73156c
AL		 219# endif
220#endif
53c1dcc0
AL		 221#ifndef PERL_UNUSED_VAR
222# define PERL_UNUSED_VAR(x) ((void)x)
223#endif
ad73156c 224
0cb96387 225#define NOOP (void)0
44dbb695 226#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 227
0cb96387
GS		 228#ifndef pTHX
229# define pTHX void
230# define pTHX_
0cb96387
GS		 231# define aTHX
232# define aTHX_
0cb96387
GS		 233# define dTHXa(a) dNOOP
234# define dTHX dNOOP
894356b3
GS		 235# define pTHX_1 1
236# define pTHX_2 2
237# define pTHX_3 3
238# define pTHX_4 4
3d42dc86
RGS		 239# define pTHX_5 5
240# define pTHX_6 6
a3b680e6
AL		 241# define pTHX_7 7
242# define pTHX_8 8
243# define pTHX_9 9
0cb96387
GS		 244#endif
245
27da23d5
JH		 246#ifndef dVAR
247# define dVAR dNOOP
248#endif
249
b4f7f263
GS		 250/* these are only defined for compatibility; should not be used internally */
251#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 252# define pTHXo pTHX
253# define pTHXo_ pTHX_
0cb96387
GS		 254# define aTHXo aTHX
255# define aTHXo_ aTHX_
c5be433b 256# define dTHXo dTHX
71d280e3 257# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 258#endif
259
260#ifndef pTHXx
261# define pTHXx register PerlInterpreter *my_perl
262# define pTHXx_ pTHXx,
0cb96387
GS		 263# define aTHXx my_perl
264# define aTHXx_ aTHXx,
c5be433b 265# define dTHXx dTHX
22c35a8c 266#endif
71be2cbc 267
1de7c2ac
GS		 268/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
269 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
270 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
271#ifdef PERL_IMPLICIT_SYS
27da23d5
JH		 272# ifdef PERL_GLOBAL_STRUCT_PRIVATE
273# define dTHXs dVAR; dTHX
274# else
275# define dTHXs dTHX
276# endif
1de7c2ac 277#else
27da23d5
JH		 278# ifdef PERL_GLOBAL_STRUCT_PRIVATE
279# define dTHXs dVAR
280# else
281# define dTHXs dNOOP
282# endif
1de7c2ac
GS		 283#endif
284
326b05e3
GS		 285#undef START_EXTERN_C
286#undef END_EXTERN_C
287#undef EXTERN_C
32f822de
GS		 288#ifdef __cplusplus
289# define START_EXTERN_C extern "C" {
290# define END_EXTERN_C }
291# define EXTERN_C extern "C"
292#else
d460ef45
NIS		 293# define START_EXTERN_C
294# define END_EXTERN_C
73c4f7a1 295# define EXTERN_C extern
32f822de
GS		 296#endif
297
27da23d5
JH		 298/* Some platforms require marking function declarations
299 * for them to be exportable. Used in perlio.h, proto.h
300 * is handled either by the makedef.pl or by defining the
301 * PERL_CALLCONV to be something special. See also the
302 * definition of XS() in XSUB.h. */
303#ifndef PERL_EXPORT_C
304# define PERL_EXPORT_C extern
305#endif
306#ifndef PERL_XS_EXPORT_C
307# define PERL_XS_EXPORT_C
308#endif
309
462e5cf6
MB		 310#ifdef OP_IN_REGISTER
311# ifdef __GNUC__
312# define stringify_immed(s) #s
313# define stringify(s) stringify_immed(s)
d1ca3daa 314register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 315# endif
316#endif
317
5dc8bdac 318#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
22469a62
RGS		 319# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
320# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
321# endif
5dc8bdac
JH		 322#endif
323
728e2803 324/*
325 * STMT_START { statements; } STMT_END;
326 * can be used as a single statement, as in
327 * if (x) STMT_START { ... } STMT_END; else ...
328 *
329 * Trying to select a version that gives no warnings...
330 */
331#if !(defined(STMT_START) && defined(STMT_END))
5dc8bdac 332# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
a0288114 333# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
728e2803 334# define STMT_END )
335# else
336 /* Now which other defined()s do we need here ??? */
93189314 337# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 338# define STMT_START if (1)
339# define STMT_END else (void)0
340# else
341# define STMT_START do
342# define STMT_END while (0)
343# endif
344# endif
345#endif
346
0cb96387 347#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 348#define WITH_THR(s) WITH_THX(s)
ea0efc06 349
55497cff 350/*
351 * SOFT_CAST can be used for args to prototyped functions to retain some
352 * type checking; it only casts if the compiler does not know prototypes.
353 */
354#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
355#define SOFT_CAST(type)
356#else
357#define SOFT_CAST(type) (type)
358#endif
79072805 359
d6f9c181
JH		 360#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
361# define BYTEORDER 0x1234
79072805
LW		 362#endif
363
364/* Overall memory policy? */
365#ifndef CONSERVATIVE
366# define LIBERAL 1
367#endif
368
8ada0baa
JH		 369#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
370#define ASCIIish
371#else
372#undef ASCIIish
373#endif
374
79072805
LW		 375/*
376 * The following contortions are brought to you on behalf of all the
377 * standards, semi-standards, de facto standards, not-so-de-facto standards
378 * of the world, as well as all the other botches anyone ever thought of.
379 * The basic theory is that if we work hard enough here, the rest of the
380 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
381 */
ac58e20f 382
ee0007ab 383/* define this once if either system, instead of cluttering up the src */
2986a63f 384#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 385#define DOSISH 1
386#endif
387
27da23d5 388#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE) || defined(SYMBIAN)
352d5a3a
LW		 389# define STANDARD_C 1
390#endif
391
a03dbf46 392#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 393# define DONT_DECLARE_STD 1
394#endif
395
352d5a3a 396#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 397# ifdef __cplusplus
cb69f87a 398# define VOL /* to temporarily suppress warnings */
79072805
LW		 399# else
400# define VOL volatile
401# endif
663a0e37 402#else
79072805 403# define VOL
663a0e37
LW		 404#endif
405
3280af22
NIS		 406#define TAINT (PL_tainted = TRUE)
407#define TAINT_NOT (PL_tainted = FALSE)
408#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
409#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 410#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 411
d460ef45 412/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 413 defines move there? If so, I could simplify this a lot. --AD 9/96.
414*/
415/* Process group stuff changed from traditional BSD to POSIX.
416 perlfunc.pod documents the traditional BSD-style syntax, so we'll
417 try to preserve that, if possible.
418*/
419#ifdef HAS_SETPGID
420# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 421#else
a6e633de 422# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
423# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
424# else
425# ifdef HAS_SETPGRP2 /* DG/UX */
426# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
427# endif
428# endif
429#endif
430#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
431# define HAS_SETPGRP /* Well, effectively it does . . . */
432#endif
433
434/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
435 our life easier :-) so we'll try it.
436*/
437#ifdef HAS_GETPGID
438# define BSD_GETPGRP(pid) getpgid((pid))
439#else
440# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
441# define BSD_GETPGRP(pid) getpgrp((pid))
442# else
443# ifdef HAS_GETPGRP2 /* DG/UX */
444# define BSD_GETPGRP(pid) getpgrp2((pid))
445# endif
446# endif
447#endif
448#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
449# define HAS_GETPGRP /* Well, effectively it does . . . */
450#endif
451
d460ef45 452/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 453 have different behaviors, but perl.h used to define USE_BSDPGRP
454 (prior to 5.003_05) so some extension might depend on it.
455*/
456#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
457# ifndef USE_BSDPGRP
458# define USE_BSDPGRP
459# endif
663a0e37
LW		 460#endif
461
8ac5a1fe
MH		 462/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
463 pthread.h must be included before all other header files.
464*/
3db8f154 465#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 466# include <pthread.h>
467#endif
468
760ac839
LW		 469#ifndef _TYPES_ /* If types.h defines this it's easy. */
470# ifndef major /* Does everyone's types.h define this? */
471# include <sys/types.h>
c07a80fd 472# endif
663a0e37
LW		 473#endif
474
760ac839
LW		 475#ifdef __cplusplus
476# ifndef I_STDARG
477# define I_STDARG 1
478# endif
479#endif
480
481#ifdef I_STDARG
482# include <stdarg.h>
483#else
484# ifdef I_VARARGS
485# include <varargs.h>
486# endif
487#endif
488
4633a7c4 489#ifdef USE_NEXT_CTYPE
0c30d9ec 490
092bebab
JH		 491#if NX_CURRENT_COMPILER_RELEASE >= 500
492# include <bsd/ctypes.h>
493#else
494# if NX_CURRENT_COMPILER_RELEASE >= 400
495# include <objc/NXCType.h>
496# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
497# include <appkit/NXCType.h>
498# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
499#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 500
501#else /* !USE_NEXT_CTYPE */
fe14fcc3 502#include <ctype.h>
0c30d9ec 503#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 504
505#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
506#undef METHOD
a0d0e21e
LW		 507#endif
508
12ae5dfc
JH		 509#ifdef PERL_MICRO
510# define NO_LOCALE
511#endif
512
4633a7c4 513#ifdef I_LOCALE
36477c24 514# include <locale.h>
4633a7c4
LW		 515#endif
516
36477c24 517#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
518# define USE_LOCALE
519# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
520 && defined(HAS_STRXFRM)
521# define USE_LOCALE_COLLATE
522# endif
523# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
524# define USE_LOCALE_CTYPE
525# endif
526# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
527# define USE_LOCALE_NUMERIC
528# endif
529#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 530
fe14fcc3 531#include <setjmp.h>
79072805 532
a0d0e21e 533#ifdef I_SYS_PARAM
79072805
LW		 534# ifdef PARAM_NEEDS_TYPES
535# include <sys/types.h>
536# endif
537# include <sys/param.h>
352d5a3a 538#endif
79072805 539
79072805 540/* Use all the "standard" definitions? */
a0d0e21e 541#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 542# include <stdlib.h>
ff68c719 543#endif
03a14243 544
3f270f98
JH		 545/* If this causes problems, set i_unistd=undef in the hint file. */
546#ifdef I_UNISTD
547# include <unistd.h>
548#endif
549
27da23d5
JH		 550#ifdef SYMBIAN
551# undef _SC_ARG_MAX /* Symbian has _SC_ARG_MAX but no sysconf() */
552#endif
553
7114a2d2 554#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 555int syscall(int, ...);
556#endif
557
7114a2d2 558#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 559int usleep(unsigned int);
2ef53570
JH		 560#endif
561
9a34ef1d
GS		 562#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
563# define MYSWAP
564#endif
565
1109a392
MHM		 566#ifdef PERL_CORE
567
568/* macros for correct constant construction */
569# if INTSIZE >= 2
570# define U16_CONST(x) ((U16)x##U)
571# else
572# define U16_CONST(x) ((U16)x##UL)
573# endif
574
575# if INTSIZE >= 4
576# define U32_CONST(x) ((U32)x##U)
577# else
578# define U32_CONST(x) ((U32)x##UL)
579# endif
580
581# ifdef HAS_QUAD
582# if INTSIZE >= 8
583# define U64_CONST(x) ((U64)x##U)
584# elif LONGSIZE >= 8
585# define U64_CONST(x) ((U64)x##UL)
586# elif QUADKIND == QUAD_IS_LONG_LONG
587# define U64_CONST(x) ((U64)x##ULL)
588# else /* best guess we can make */
589# define U64_CONST(x) ((U64)x##UL)
590# endif
591# endif
592
593/* byte-swapping functions for big-/little-endian conversion */
594# define _swab_16_(x) ((U16)( \
595 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
596 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
597
598# define _swab_32_(x) ((U32)( \
599 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
600 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
601 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
602 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
603
604# ifdef HAS_QUAD
605# define _swab_64_(x) ((U64)( \
606 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
607 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
608 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
609 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
610 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
611 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
612 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
613 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
614# endif
615
616/*----------------------------------------------------------------------------*/
617# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
618/*----------------------------------------------------------------------------*/
619# define my_htole16(x) (x)
620# define my_letoh16(x) (x)
621# define my_htole32(x) (x)
622# define my_letoh32(x) (x)
623# define my_htobe16(x) _swab_16_(x)
624# define my_betoh16(x) _swab_16_(x)
625# define my_htobe32(x) _swab_32_(x)
626# define my_betoh32(x) _swab_32_(x)
627# ifdef HAS_QUAD
628# define my_htole64(x) (x)
629# define my_letoh64(x) (x)
630# define my_htobe64(x) _swab_64_(x)
631# define my_betoh64(x) _swab_64_(x)
632# endif
633# define my_htoles(x) (x)
634# define my_letohs(x) (x)
635# define my_htolei(x) (x)
636# define my_letohi(x) (x)
637# define my_htolel(x) (x)
638# define my_letohl(x) (x)
639# if SHORTSIZE == 1
640# define my_htobes(x) (x)
641# define my_betohs(x) (x)
642# elif SHORTSIZE == 2
643# define my_htobes(x) _swab_16_(x)
644# define my_betohs(x) _swab_16_(x)
645# elif SHORTSIZE == 4
646# define my_htobes(x) _swab_32_(x)
647# define my_betohs(x) _swab_32_(x)
648# elif SHORTSIZE == 8
649# define my_htobes(x) _swab_64_(x)
650# define my_betohs(x) _swab_64_(x)
651# else
652# define PERL_NEED_MY_HTOBES
653# define PERL_NEED_MY_BETOHS
654# endif
655# if INTSIZE == 1
656# define my_htobei(x) (x)
657# define my_betohi(x) (x)
658# elif INTSIZE == 2
659# define my_htobei(x) _swab_16_(x)
660# define my_betohi(x) _swab_16_(x)
661# elif INTSIZE == 4
662# define my_htobei(x) _swab_32_(x)
663# define my_betohi(x) _swab_32_(x)
664# elif INTSIZE == 8
665# define my_htobei(x) _swab_64_(x)
666# define my_betohi(x) _swab_64_(x)
667# else
668# define PERL_NEED_MY_HTOBEI
669# define PERL_NEED_MY_BETOHI
670# endif
671# if LONGSIZE == 1
672# define my_htobel(x) (x)
673# define my_betohl(x) (x)
674# elif LONGSIZE == 2
675# define my_htobel(x) _swab_16_(x)
676# define my_betohl(x) _swab_16_(x)
677# elif LONGSIZE == 4
678# define my_htobel(x) _swab_32_(x)
679# define my_betohl(x) _swab_32_(x)
680# elif LONGSIZE == 8
681# define my_htobel(x) _swab_64_(x)
682# define my_betohl(x) _swab_64_(x)
683# else
684# define PERL_NEED_MY_HTOBEL
685# define PERL_NEED_MY_BETOHL
686# endif
687# define my_htolen(p,n) NOOP
688# define my_letohn(p,n) NOOP
689# define my_htoben(p,n) my_swabn(p,n)
690# define my_betohn(p,n) my_swabn(p,n)
691/*----------------------------------------------------------------------------*/
692# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
693/*----------------------------------------------------------------------------*/
694# define my_htobe16(x) (x)
695# define my_betoh16(x) (x)
696# define my_htobe32(x) (x)
697# define my_betoh32(x) (x)
698# define my_htole16(x) _swab_16_(x)
699# define my_letoh16(x) _swab_16_(x)
700# define my_htole32(x) _swab_32_(x)
701# define my_letoh32(x) _swab_32_(x)
702# ifdef HAS_QUAD
703# define my_htobe64(x) (x)
704# define my_betoh64(x) (x)
705# define my_htole64(x) _swab_64_(x)
706# define my_letoh64(x) _swab_64_(x)
707# endif
708# define my_htobes(x) (x)
709# define my_betohs(x) (x)
710# define my_htobei(x) (x)
711# define my_betohi(x) (x)
712# define my_htobel(x) (x)
713# define my_betohl(x) (x)
714# if SHORTSIZE == 1
715# define my_htoles(x) (x)
716# define my_letohs(x) (x)
717# elif SHORTSIZE == 2
718# define my_htoles(x) _swab_16_(x)
719# define my_letohs(x) _swab_16_(x)
720# elif SHORTSIZE == 4
721# define my_htoles(x) _swab_32_(x)
722# define my_letohs(x) _swab_32_(x)
723# elif SHORTSIZE == 8
724# define my_htoles(x) _swab_64_(x)
725# define my_letohs(x) _swab_64_(x)
726# else
727# define PERL_NEED_MY_HTOLES
728# define PERL_NEED_MY_LETOHS
729# endif
730# if INTSIZE == 1
731# define my_htolei(x) (x)
732# define my_letohi(x) (x)
733# elif INTSIZE == 2
734# define my_htolei(x) _swab_16_(x)
735# define my_letohi(x) _swab_16_(x)
736# elif INTSIZE == 4
737# define my_htolei(x) _swab_32_(x)
738# define my_letohi(x) _swab_32_(x)
739# elif INTSIZE == 8
740# define my_htolei(x) _swab_64_(x)
741# define my_letohi(x) _swab_64_(x)
742# else
743# define PERL_NEED_MY_HTOLEI
744# define PERL_NEED_MY_LETOHI
745# endif
746# if LONGSIZE == 1
747# define my_htolel(x) (x)
748# define my_letohl(x) (x)
749# elif LONGSIZE == 2
750# define my_htolel(x) _swab_16_(x)
751# define my_letohl(x) _swab_16_(x)
752# elif LONGSIZE == 4
753# define my_htolel(x) _swab_32_(x)
754# define my_letohl(x) _swab_32_(x)
755# elif LONGSIZE == 8
756# define my_htolel(x) _swab_64_(x)
757# define my_letohl(x) _swab_64_(x)
758# else
759# define PERL_NEED_MY_HTOLEL
760# define PERL_NEED_MY_LETOHL
761# endif
762# define my_htolen(p,n) my_swabn(p,n)
763# define my_letohn(p,n) my_swabn(p,n)
764# define my_htoben(p,n) NOOP
765# define my_betohn(p,n) NOOP
766/*----------------------------------------------------------------------------*/
767# else /* all other byte-orders */
768/*----------------------------------------------------------------------------*/
769# define PERL_NEED_MY_HTOLE16
770# define PERL_NEED_MY_LETOH16
771# define PERL_NEED_MY_HTOBE16
772# define PERL_NEED_MY_BETOH16
773# define PERL_NEED_MY_HTOLE32
774# define PERL_NEED_MY_LETOH32
775# define PERL_NEED_MY_HTOBE32
776# define PERL_NEED_MY_BETOH32
777# ifdef HAS_QUAD
778# define PERL_NEED_MY_HTOLE64
779# define PERL_NEED_MY_LETOH64
780# define PERL_NEED_MY_HTOBE64
781# define PERL_NEED_MY_BETOH64
782# endif
783# define PERL_NEED_MY_HTOLES
784# define PERL_NEED_MY_LETOHS
785# define PERL_NEED_MY_HTOBES
786# define PERL_NEED_MY_BETOHS
787# define PERL_NEED_MY_HTOLEI
788# define PERL_NEED_MY_LETOHI
789# define PERL_NEED_MY_HTOBEI
790# define PERL_NEED_MY_BETOHI
791# define PERL_NEED_MY_HTOLEL
792# define PERL_NEED_MY_LETOHL
793# define PERL_NEED_MY_HTOBEL
794# define PERL_NEED_MY_BETOHL
795/*----------------------------------------------------------------------------*/
796# endif /* end of byte-order macros */
797/*----------------------------------------------------------------------------*/
798
9c17f24a
NC		 799/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
800 at least on FreeBSD. YMMV, so experiment. */
801#ifndef PERL_ARENA_SIZE
802#define PERL_ARENA_SIZE 4080
803#endif
804
1109a392
MHM		 805#endif /* PERL_CORE */
806
66a93824
NIS		 807/* Cannot include embed.h here on Win32 as win32.h has not
808 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
809 */
96e176bf 810#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 811# include "embed.h"
812#endif
813
c31fac66
GS		 814#define MEM_SIZE Size_t
815
1936d2a7
NC		 816/* Round all values passed to malloc up, by default to a multiple of
817 sizeof(size_t)
818*/
819#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
820#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
821#endif
822
51371543
GS		 823#if defined(STANDARD_C) && defined(I_STDDEF)
824# include <stddef.h>
825# define STRUCT_OFFSET(s,m) offsetof(s,m)
826#else
827# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
828#endif
829
27da23d5
JH		 830#ifndef SYMBIAN
831# if defined(I_STRING) || defined(__cplusplus)
832# include <string.h>
833# else
834# include <strings.h>
835# endif
51371543
GS		 836#endif
837
55497cff 838/* This comes after <stdlib.h> so we don't try to change the standard
839 * library prototypes; we'll use our own in proto.h instead. */
03a14243 840
4633a7c4 841#ifdef MYMALLOC
86058a2d 842# ifdef PERL_POLLUTE_MALLOC
ee13e175 843# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 844# define Perl_malloc malloc
845# define Perl_calloc calloc
846# define Perl_realloc realloc
847# define Perl_mfree free
ee13e175 848# endif
86058a2d
GS		 849# else
850# define EMBEDMYMALLOC /* for compatibility */
851# endif
827e134a 852
651b9576
GS		 853# define safemalloc Perl_malloc
854# define safecalloc Perl_calloc
855# define saferealloc Perl_realloc
856# define safefree Perl_mfree
22f7c9c9
JH		 857# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
858 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
859 code; \
860 } STMT_END
861# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
862 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
863# define panic_write2(s) write(2, s, strlen(s))
864# define CHECK_MALLOC_TAINT(newval) \
865 CHECK_MALLOC_TOO_LATE_FOR_( \
866 if (newval) { \
867 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
868 exit(1); })
22f7c9c9 869# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 870 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 871 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
872 }} STMT_END;
f2517201
GS		 873#else /* MYMALLOC */
874# define safemalloc safesysmalloc
875# define safecalloc safesyscalloc
876# define saferealloc safesysrealloc
877# define safefree safesysfree
22f7c9c9
JH		 878# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
879# define CHECK_MALLOC_TAINT(newval) ((void)0)
880# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 881#endif /* MYMALLOC */
4633a7c4 882
27da23d5 883#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		 884#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
885#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
886#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
887
a0d0e21e
LW		 888#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
889#define strchr index
890#define strrchr rindex
891#endif
892
16d20bd9
AD		 893#ifdef I_MEMORY
894# include <memory.h>
895#endif
896
fe14fcc3 897#ifdef HAS_MEMCPY
85e6fe83 898# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 899# ifndef memcpy
20ce7b12 900 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 901# endif
902# endif
903#else
904# ifndef memcpy
905# ifdef HAS_BCOPY
906# define memcpy(d,s,l) bcopy(s,d,l)
907# else
908# define memcpy(d,s,l) my_bcopy(s,d,l)
909# endif
910# endif
911#endif /* HAS_MEMCPY */
fe14fcc3 912
ee0007ab 913#ifdef HAS_MEMSET
85e6fe83 914# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 915# ifndef memset
20ce7b12 916 extern char *memset (char*, int, int);
ee0007ab
LW		 917# endif
918# endif
ee0007ab 919#else
12ae5dfc 920# undef memset
fc36a67e 921# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 922#endif /* HAS_MEMSET */
923
85e6fe83 924#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 925# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 926# define memmove(d,s,l) bcopy(s,d,l)
927# else
2304df62 928# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 929# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 930# else
79072805 931# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 932# endif
352d5a3a 933# endif
d9d8d8de 934#endif
ee0007ab 935
36477c24 936#if defined(mips) && defined(ultrix) && !defined(__STDC__)
937# undef HAS_MEMCMP
938#endif
939
940#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 941# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 942# ifndef memcmp
20ce7b12 943 extern int memcmp (char*, char*, int);
ee0007ab
LW		 944# endif
945# endif
36477c24 946# ifdef BUGGY_MSC
7e4e8c89 947# pragma function(memcmp)
36477c24 948# endif
ee0007ab
LW		 949#else
950# ifndef memcmp
ecfc5424 951# define memcmp my_memcmp
352d5a3a 952# endif
36477c24 953#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 954
fc36a67e 955#ifndef memzero
c635e13b 956# ifdef HAS_MEMSET
957# define memzero(d,l) memset(d,0,l)
79072805 958# else
c635e13b 959# ifdef HAS_BZERO
960# define memzero(d,l) bzero(d,l)
79072805 961# else
fc36a67e 962# define memzero(d,l) my_bzero(d,l)
79072805
LW		 963# endif
964# endif
d9d8d8de 965#endif
378cc40b 966
2f42fcb0 967#ifndef PERL_MICRO
0f27ced1
JH		 968#ifndef memchr
969# ifndef HAS_MEMCHR
970# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
971# endif
972#endif
2f42fcb0 973#endif
0f27ced1 974
36477c24 975#ifndef HAS_BCMP
976# ifndef bcmp
977# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 978# endif
36477c24 979#endif /* !HAS_BCMP */
378cc40b 980
ae986130 981#ifdef I_NETINET_IN
79072805 982# include <netinet/in.h>
ae986130
LW		 983#endif
984
28e8609d
JH		 985#ifdef I_ARPA_INET
986# include <arpa/inet.h>
987#endif
988
84902520
TB		 989#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
990/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
991 * (the neo-BSD seem to do this). */
992# undef SF_APPEND
993#endif
994
1aef975c 995#ifdef I_SYS_STAT
84902520 996# include <sys/stat.h>
1aef975c 997#endif
79072805 998
a0d0e21e
LW		 999/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1000 like UTekV) are broken, sometimes giving false positives. Undefine
1001 them here and let the code below set them to proper values.
1002
1003 The ghs macro stands for GreenHills Software C-1.8.5 which
1004 is the C compiler for sysV88 and the various derivatives.
1005 This header file bug is corrected in gcc-2.5.8 and later versions.
1006 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1007
1008#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1009# undef S_ISDIR
1010# undef S_ISCHR
1011# undef S_ISBLK
1012# undef S_ISREG
1013# undef S_ISFIFO
1014# undef S_ISLNK
ee0007ab 1015#endif
135863df 1016
663a0e37
LW		 1017#ifdef I_TIME
1018# include <time.h>
ffed7fef 1019#endif
663a0e37 1020
fe14fcc3 1021#ifdef I_SYS_TIME
85e6fe83 1022# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1023# define KERNEL
1024# endif
1025# include <sys/time.h>
85e6fe83 1026# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1027# undef KERNEL
1028# endif
a687059c 1029#endif
135863df 1030
55497cff 1031#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1032# include <sys/times.h>
d9d8d8de 1033#endif
8d063cd8 1034
fe14fcc3 1035#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1036# undef HAS_STRERROR
663a0e37
LW		 1037#endif
1038
1039#include <errno.h>
1e743fda 1040
acfe0abc 1041#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1042# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1043#endif
1044
8cfab5ff
JH		 1045/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1046 * This is important for using IPv6.
1047 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1048 * a bad idea since it breaks send() and recv(). */
1049#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1050# define _SOCKADDR_LEN
1051#endif
1052
8d3f517a 1053#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1054# include <sys/socket.h>
1055# if defined(USE_SOCKS) && defined(I_SOCKS)
1056# if !defined(INCLUDE_PROTOTYPES)
1057# define INCLUDE_PROTOTYPES /* for <socks.h> */
1058# define PERL_SOCKS_NEED_PROTOTYPES
1059# endif
1060# include <socks.h>
1061# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1062# undef INCLUDE_PROTOTYPES
1063# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1064# endif
d460ef45 1065# endif
1e743fda 1066# ifdef I_NETDB
2986a63f
JH		 1067# ifdef NETWARE
1068# include<stdio.h>
1069# endif
1e743fda
JH		 1070# include <netdb.h>
1071# endif
1072# ifndef ENOTSOCK
1073# ifdef I_NET_ERRNO
1074# include <net/errno.h>
1075# endif
1076# endif
1077#endif
1078
fa0a29af 1079/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1080 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1081 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1082#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1083# if defined(__THROW) && defined(__GLIBC__)
1084int sockatmark(int) __THROW;
1085# else
2ef53570 1086int sockatmark(int);
29820b6d 1087# endif
2ef53570
JH		 1088#endif
1089
1e743fda
JH		 1090#ifdef SETERRNO
1091# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1092#endif
f86702cc 1093
1094#ifdef VMS
1095# define SETERRNO(errcode,vmserrcode) \
1096 STMT_START { \
1097 set_errno(errcode); \
1098 set_vaxc_errno(vmserrcode); \
1099 } STMT_END
93189314
JH		 1100# define LIB_INVARG LIB$_INVARG
1101# define RMS_DIR RMS$_DIR
1102# define RMS_FAC RMS$_FAC
1103# define RMS_FEX RMS$_FEX
1104# define RMS_FNF RMS$_FNF
1105# define RMS_IFI RMS$_IFI
1106# define RMS_ISI RMS$_ISI
1107# define RMS_PRV RMS$_PRV
1108# define SS_ACCVIO SS$_ACCVIO
1109# define SS_DEVOFFLINE SS$_DEVOFFLINE
1110# define SS_IVCHAN SS$_IVCHAN
1111# define SS_NORMAL SS$_NORMAL
748a9306 1112#else
aba27d88 1113# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1114# define LIB_INVARG 0
1115# define RMS_DIR 0
1116# define RMS_FAC 0
1117# define RMS_FEX 0
1118# define RMS_FNF 0
1119# define RMS_IFI 0
1120# define RMS_ISI 0
1121# define RMS_PRV 0
1122# define SS_ACCVIO 0
1123# define SS_DEVOFFLINE 0
1124# define SS_IVCHAN 0
1125# define SS_NORMAL 0
748a9306 1126#endif
ed6116ce 1127
3db8f154 1128#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1129/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1130#define DEFSV GvSVn(PL_defgv)
3db8f154 1131#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1132
98eae8f5
GS		 1133#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1134
55497cff 1135#ifndef errno
5ff3f7a4
GS		 1136 extern int errno; /* ANSI allows errno to be an lvalue expr.
1137 * For example in multithreaded environments
1138 * something like this might happen:
1139 * extern int *_errno(void);
1140 * #define errno (*_errno()) */
d9d8d8de 1141#endif
663a0e37 1142
2304df62 1143#ifdef HAS_STRERROR
a0d0e21e 1144# ifdef VMS
20ce7b12 1145 char *strerror (int,...);
a0d0e21e 1146# else
68dc0745 1147#ifndef DONT_DECLARE_STD
20ce7b12 1148 char *strerror (int);
68dc0745 1149#endif
a0d0e21e 1150# endif
2304df62
AD		 1151# ifndef Strerror
1152# define Strerror strerror
1153# endif
1154#else
1155# ifdef HAS_SYS_ERRLIST
79072805
LW		 1156 extern int sys_nerr;
1157 extern char *sys_errlist[];
2304df62
AD		 1158# ifndef Strerror
1159# define Strerror(e) \
79072805 1160 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1161# endif
79072805 1162# endif
35c8bce7 1163#endif
663a0e37 1164
2304df62 1165#ifdef I_SYS_IOCTL
79072805
LW		 1166# ifndef _IOCTL_
1167# include <sys/ioctl.h>
1168# endif
a687059c
LW		 1169#endif
1170
ee0007ab 1171#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1172# ifdef HAS_SOCKETPAIR
1173# undef HAS_SOCKETPAIR
1174# endif
2304df62
AD		 1175# ifdef I_NDBM
1176# undef I_NDBM
79072805 1177# endif
a687059c
LW		 1178#endif
1179
02fc2eee
NC		 1180#ifndef HAS_SOCKETPAIR
1181# ifdef HAS_SOCKET
1182# define socketpair Perl_my_socketpair
1183# endif
1184#endif
1185
a687059c 1186#if INTSIZE == 2
79072805
LW		 1187# define htoni htons
1188# define ntohi ntohs
a687059c 1189#else
79072805
LW		 1190# define htoni htonl
1191# define ntohi ntohl
a687059c
LW		 1192#endif
1193
a0d0e21e 1194/* Configure already sets Direntry_t */
35c8bce7 1195#if defined(I_DIRENT)
663a0e37 1196# include <dirent.h>
8f1f23e8
W		 1197 /* NeXT needs dirent + sys/dir.h */
1198# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1199# include <sys/dir.h>
1200# endif
ae986130 1201#else
fe14fcc3 1202# ifdef I_SYS_NDIR
79a0689e 1203# include <sys/ndir.h>
663a0e37 1204# else
fe14fcc3 1205# ifdef I_SYS_DIR
79a0689e
LW		 1206# ifdef hp9000s500
1207# include <ndir.h> /* may be wrong in the future */
1208# else
1209# include <sys/dir.h>
1210# endif
663a0e37
LW		 1211# endif
1212# endif
4633a7c4 1213#endif
a687059c 1214
12ae5dfc
JH		 1215#ifdef PERL_MICRO
1216# ifndef DIR
1217# define DIR void
1218# endif
1219#endif
1220
352d5a3a
LW		 1221#ifdef FPUTS_BOTCH
1222/* work around botch in SunOS 4.0.1 and 4.0.2 */
1223# ifndef fputs
79072805 1224# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1225# endif
1226#endif
1227
c623bd54
LW		 1228/*
1229 * The following gobbledygook brought to you on behalf of __STDC__.
1230 * (I could just use #ifndef __STDC__, but this is more bulletproof
1231 * in the face of half-implementations.)
1232 */
1233
7114a2d2 1234#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1235#include <sys/mode.h>
1236#endif
1237
c623bd54
LW		 1238#ifndef S_IFMT
1239# ifdef _S_IFMT
1240# define S_IFMT _S_IFMT
1241# else
1242# define S_IFMT 0170000
1243# endif
1244#endif
1245
1246#ifndef S_ISDIR
1247# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1248#endif
1249
1250#ifndef S_ISCHR
1251# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1252#endif
1253
1254#ifndef S_ISBLK
fe14fcc3
LW		 1255# ifdef S_IFBLK
1256# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1257# else
1258# define S_ISBLK(m) (0)
1259# endif
c623bd54
LW		 1260#endif
1261
1262#ifndef S_ISREG
1263# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1264#endif
1265
1266#ifndef S_ISFIFO
fe14fcc3
LW		 1267# ifdef S_IFIFO
1268# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1269# else
1270# define S_ISFIFO(m) (0)
1271# endif
c623bd54
LW		 1272#endif
1273
1274#ifndef S_ISLNK
1275# ifdef _S_ISLNK
1276# define S_ISLNK(m) _S_ISLNK(m)
1277# else
1278# ifdef _S_IFLNK
1279# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1280# else
1281# ifdef S_IFLNK
1282# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1283# else
1284# define S_ISLNK(m) (0)
1285# endif
1286# endif
1287# endif
1288#endif
1289
1290#ifndef S_ISSOCK
1291# ifdef _S_ISSOCK
1292# define S_ISSOCK(m) _S_ISSOCK(m)
1293# else
1294# ifdef _S_IFSOCK
1295# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1296# else
1297# ifdef S_IFSOCK
1298# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1299# else
1300# define S_ISSOCK(m) (0)
1301# endif
1302# endif
1303# endif
1304#endif
1305
1306#ifndef S_IRUSR
1307# ifdef S_IREAD
1308# define S_IRUSR S_IREAD
1309# define S_IWUSR S_IWRITE
1310# define S_IXUSR S_IEXEC
1311# else
1312# define S_IRUSR 0400
1313# define S_IWUSR 0200
1314# define S_IXUSR 0100
1315# endif
fac7cdfc
JS		 1316#endif
1317
1318#ifndef S_IRGRP
1319# ifdef S_IRUSR
1320# define S_IRGRP (S_IRUSR>>3)
1321# define S_IWGRP (S_IWUSR>>3)
1322# define S_IXGRP (S_IXUSR>>3)
1323# else
1324# define S_IRGRP 0040
1325# define S_IWGRP 0020
1326# define S_IXGRP 0010
1327# endif
1328#endif
1329
1330#ifndef S_IROTH
1331# ifdef S_IRUSR
1332# define S_IROTH (S_IRUSR>>6)
1333# define S_IWOTH (S_IWUSR>>6)
1334# define S_IXOTH (S_IXUSR>>6)
1335# else
1336# define S_IROTH 0040
1337# define S_IWOTH 0020
1338# define S_IXOTH 0010
1339# endif
c623bd54
LW		 1340#endif
1341
1342#ifndef S_ISUID
1343# define S_ISUID 04000
1344#endif
1345
1346#ifndef S_ISGID
1347# define S_ISGID 02000
1348#endif
1349
ca6e1c26
JH		 1350#ifndef S_IRWXU
1351# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1352#endif
ca6e1c26
JH		 1353
1354#ifndef S_IRWXG
1355# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1356#endif
ca6e1c26
JH		 1357
1358#ifndef S_IRWXO
1359# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1360#endif
ca6e1c26 1361
c21fb2b8
JH		 1362/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1363 * which would get included through <sys/file.h >, but that is 3000
1364 * lines in the future. --jhi */
1365
1366#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1367# define S_IREAD S_IRUSR
1368#endif
1369
c21fb2b8 1370#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1371# define S_IWRITE S_IWUSR
1372#endif
1373
1374#ifndef S_IEXEC
1375# define S_IEXEC S_IXUSR
1376#endif
1377
79072805
LW		 1378#ifdef ff_next
1379# undef ff_next
352d5a3a
LW		 1380#endif
1381
a0d0e21e 1382#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1383# define SLOPPYDIVIDE
1384#endif
1385
748a9306
LW		 1386#ifdef UV
1387#undef UV
1388#endif
1389
c89df6bf
JH		 1390#ifdef SPRINTF_E_BUG
1391# define sprintf UTS_sprintf_wrap
1392#endif
1393
c495e728
JH		 1394/* Configure gets this right but the UTS compiler gets it wrong.
1395 -- Hal Morris <hom00@utsglobal.com> */
1396#ifdef UTS
1397# undef UVTYPE
1398# define UVTYPE unsigned
1399#endif
1400
05f13f53 1401/*
27d4fb96 1402 The IV type is supposed to be long enough to hold any integral
1403 value or a pointer.
1404 --Andy Dougherty August 1996
1405*/
1406
a22e52b9
JH		 1407typedef IVTYPE IV;
1408typedef UVTYPE UV;
8175356b 1409
10cc9d2a 1410#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1411# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1412# define IV_MAX INT64_MAX
1413# define IV_MIN INT64_MIN
1414# define UV_MAX UINT64_MAX
cae7ae48
JH		 1415# ifndef UINT64_MIN
1416# define UINT64_MIN 0
1417# endif
5ff3f7a4
GS		 1418# define UV_MIN UINT64_MIN
1419# else
1420# define IV_MAX PERL_QUAD_MAX
1421# define IV_MIN PERL_QUAD_MIN
1422# define UV_MAX PERL_UQUAD_MAX
1423# define UV_MIN PERL_UQUAD_MIN
1424# endif
cf2093f6
JH		 1425# define IV_IS_QUAD
1426# define UV_IS_QUAD
79072805 1427#else
8175356b 1428# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1429# define IV_MAX INT32_MAX
1430# define IV_MIN INT32_MIN
716026f9
DL		 1431# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1432# define UV_MAX UINT32_MAX
1433# else
1434# define UV_MAX 4294967295U
1435# endif
cae7ae48
JH		 1436# ifndef UINT32_MIN
1437# define UINT32_MIN 0
1438# endif
5ff3f7a4
GS		 1439# define UV_MIN UINT32_MIN
1440# else
1441# define IV_MAX PERL_LONG_MAX
1442# define IV_MIN PERL_LONG_MIN
1443# define UV_MAX PERL_ULONG_MAX
1444# define UV_MIN PERL_ULONG_MIN
1445# endif
8175356b 1446# if IVSIZE == 8
cf2093f6
JH		 1447# define IV_IS_QUAD
1448# define UV_IS_QUAD
de1c2614
JH		 1449# ifndef HAS_QUAD
1450# define HAS_QUAD
1451# endif
cf2093f6
JH		 1452# else
1453# undef IV_IS_QUAD
1454# undef UV_IS_QUAD
de1c2614 1455# undef HAS_QUAD
cf2093f6 1456# endif
79072805 1457#endif
d7d93a81 1458
1109a392
MHM		 1459#ifndef HAS_QUAD
1460# undef PERL_NEED_MY_HTOLE64
1461# undef PERL_NEED_MY_LETOH64
1462# undef PERL_NEED_MY_HTOBE64
1463# undef PERL_NEED_MY_BETOH64
1464#endif
1465
6cde8aec 1466#if defined(uts) || defined(UTS)
11afe549
HM		 1467# undef UV_MAX
1468# define UV_MAX (4294967295u)
20601011
JH		 1469#endif
1470
cae7ae48 1471#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1472#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1473
28e5dec8 1474#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1475#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1476#endif
1477
d460ef45 1478/*
26bb67e2
JH		 1479 * The macros INT2PTR and NUM2PTR are (despite their names)
1480 * bi-directional: they will convert int/float to or from pointers.
1481 * However the conversion to int/float are named explicitly:
1482 * PTR2IV, PTR2UV, PTR2NV.
1483 *
1484 * For int conversions we do not need two casts if pointers are
1485 * the same size as IV and UV. Otherwise we need an explicit
1486 * cast (PTRV) to avoid compiler warnings.
1487 */
56431972
RB		 1488#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1489# define PTRV UV
1490# define INT2PTR(any,d) (any)(d)
1491#else
d460ef45 1492# if PTRSIZE == LONGSIZE
56431972 1493# define PTRV unsigned long
42718184 1494# else
56431972 1495# define PTRV unsigned
42718184 1496# endif
56431972 1497# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1498#endif
56431972
RB		 1499#define NUM2PTR(any,d) (any)(PTRV)(d)
1500#define PTR2IV(p) INT2PTR(IV,p)
1501#define PTR2UV(p) INT2PTR(UV,p)
1502#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1503#if PTRSIZE == LONGSIZE
d2560b70
RB		 1504# define PTR2ul(p) (unsigned long)(p)
1505#else
1506# define PTR2ul(p) INT2PTR(unsigned long,p)
1507#endif
d460ef45 1508
8141890a
JH		 1509/* According to strict ANSI C89 one cannot freely cast between
1510 * data pointers and function (code) pointers. There are at least
1511 * two ways around this. One (used below) is to do two casts,
1512 * first the other pointer to an (unsigned) integer, and then
1513 * the integer to the other pointer. The other way would be
1514 * to use unions to "overlay" the pointers. For an example of
1515 * the latter technique, see union dirpu in struct xpvio in sv.h.
1516 * The only feasible use is probably temporarily storing
1517 * function pointers in a data pointer (such as a void pointer). */
1518
3fbfee08
RB		 1519#define DPTR2FPTR(t,p) ((t)(PTRV)(p)) /* data pointer to function pointer */
1520#define FPTR2DPTR(t,p) ((t)(PTRV)(p)) /* function pointer to data pointer */
8141890a 1521
65202027 1522#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1523# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1524# define LONG_DOUBLE_EQUALS_DOUBLE
1525# endif
68d4903c 1526# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1527# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1528# endif
1529#endif
1530
2d4389e4
JH		 1531#ifdef OVR_DBL_DIG
1532/* Use an overridden DBL_DIG */
1533# ifdef DBL_DIG
1534# undef DBL_DIG
1535# endif
1536# define DBL_DIG OVR_DBL_DIG
1537#else
1538/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1539 default value for printing floating point numbers in Gconvert
1540 (see config.h). (It also has other uses, such as figuring out if
1541 a given precision of printing can be done with a double instead of
1542 a long double - Allen).
2d4389e4
JH		 1543*/
1544#ifdef I_LIMITS
1545#include <limits.h>
1546#endif
1547#ifdef I_FLOAT
1548#include <float.h>
1549#endif
1550#ifndef HAS_DBL_DIG
1551#define DBL_DIG 15 /* A guess that works lots of places */
1552#endif
1553#endif
cbca01e1
JH		 1554#ifdef I_FLOAT
1555#include <float.h>
1556#endif
1557#ifndef HAS_DBL_DIG
1558#define DBL_DIG 15 /* A guess that works lots of places */
1559#endif
2d4389e4
JH		 1560
1561#ifdef OVR_LDBL_DIG
1562/* Use an overridden LDBL_DIG */
1563# ifdef LDBL_DIG
1564# undef LDBL_DIG
1565# endif
1566# define LDBL_DIG OVR_LDBL_DIG
1567#else
1568/* The following is all to get LDBL_DIG, in order to pick a nice
1569 default value for printing floating point numbers in Gconvert.
1570 (see config.h)
1571*/
68d4903c
JH		 1572# ifdef I_LIMITS
1573# include <limits.h>
1574# endif
1575# ifdef I_FLOAT
1576# include <float.h>
1577# endif
1578# ifndef HAS_LDBL_DIG
1579# if LONG_DOUBLESIZE == 10
1580# define LDBL_DIG 18 /* assume IEEE */
1581# else
1582# if LONG_DOUBLESIZE == 12
1583# define LDBL_DIG 18 /* gcc? */
1584# else
1585# if LONG_DOUBLESIZE == 16
1586# define LDBL_DIG 33 /* assume IEEE */
1587# else
1588# if LONG_DOUBLESIZE == DOUBLESIZE
1589# define LDBL_DIG DBL_DIG /* bummer */
1590# endif
1591# endif
1592# endif
1593# endif
1594# endif
2d4389e4
JH		 1595#endif
1596
20f6aaab
AS		 1597/*
1598 * This is for making sure we have a good DBL_MAX value, if possible,
1599 * either for usage as NV_MAX or for usage in figuring out if we can
1600 * fit a given long double into a double, if bug-fixing makes it
1601 * necessary to do so. - Allen <allens@cpan.org>
1602 */
1603
205f51d8
AS		 1604#ifdef I_LIMITS
1605# include <limits.h>
20f6aaab
AS		 1606#endif
1607
205f51d8
AS		 1608#ifdef I_VALUES
1609# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1610# include <values.h>
1611# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1612# define DBL_MAX MAXDOUBLE
1613# endif
1614# if defined(MINDOUBLE) && !defined(DBL_MIN)
1615# define DBL_MIN MINDOUBLE
1616# endif
1617# endif
1618#endif /* defined(I_VALUES) */
1619
a22e52b9 1620typedef NVTYPE NV;
8175356b 1621
792d8dab
JH		 1622#ifdef I_IEEEFP
1623# include <ieeefp.h>
1624#endif
923fc586 1625
65202027 1626#ifdef USE_LONG_DOUBLE
923fc586
JH		 1627# ifdef I_SUNMATH
1628# include <sunmath.h>
1629# endif
2d4389e4 1630# define NV_DIG LDBL_DIG
d6c14000
JH		 1631# ifdef LDBL_MANT_DIG
1632# define NV_MANT_DIG LDBL_MANT_DIG
1633# endif
06fc1729
JH		 1634# ifdef LDBL_MIN
1635# define NV_MIN LDBL_MIN
1636# endif
1637# ifdef LDBL_MAX
1638# define NV_MAX LDBL_MAX
1639# endif
1640# ifdef LDBL_MIN_10_EXP
1641# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1642# endif
1643# ifdef LDBL_MAX_10_EXP
1644# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1645# endif
1646# ifdef LDBL_EPSILON
1647# define NV_EPSILON LDBL_EPSILON
1648# endif
f4a14a62
JH		 1649# ifdef LDBL_MAX
1650# define NV_MAX LDBL_MAX
20f6aaab 1651/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1652# else
1653# ifdef HUGE_VALL
1654# define NV_MAX HUGE_VALL
1655# else
1656# ifdef HUGE_VAL
1657# define NV_MAX ((NV)HUGE_VAL)
1658# endif
1659# endif
1660# endif
68d4903c 1661# ifdef HAS_SQRTL
68d4903c
JH		 1662# define Perl_cos cosl
1663# define Perl_sin sinl
1664# define Perl_sqrt sqrtl
1665# define Perl_exp expl
1666# define Perl_log logl
1667# define Perl_atan2 atan2l
1668# define Perl_pow powl
1669# define Perl_floor floorl
1bbae031 1670# define Perl_ceil ceill
68d4903c
JH		 1671# define Perl_fmod fmodl
1672# endif
a3540c92
JH		 1673/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1674# ifdef HAS_MODFL
1675# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1676/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1677 prototype in <math.h> */
1678# ifndef HAS_MODFL_PROTO
a221a8a5 1679EXTERN_C long double modfl(long double, long double *);
51997bc3 1680# endif
03476e8e
JH		 1681# else
1682# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1683 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1684# define Perl_modf(x,y) Perl_my_modfl(x,y)
1685# endif
a3540c92
JH		 1686# endif
1687# ifdef HAS_FREXPL
dff3e0b8 1688# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1689# else
1690# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1691 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1692# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1693# endif
a3540c92 1694# endif
38dbb4c5 1695# ifndef Perl_isnan
758a5d79
JH		 1696# ifdef HAS_ISNANL
1697# define Perl_isnan(x) isnanl(x)
1698# endif
1699# endif
1700# ifndef Perl_isinf
1701# ifdef HAS_FINITEL
1702# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1703# endif
1704# endif
65202027 1705#else
2d4389e4 1706# define NV_DIG DBL_DIG
d6c14000
JH		 1707# ifdef DBL_MANT_DIG
1708# define NV_MANT_DIG DBL_MANT_DIG
1709# endif
06fc1729
JH		 1710# ifdef DBL_MIN
1711# define NV_MIN DBL_MIN
1712# endif
1713# ifdef DBL_MAX
1714# define NV_MAX DBL_MAX
1715# endif
1716# ifdef DBL_MIN_10_EXP
1717# define NV_MIN_10_EXP DBL_MIN_10_EXP
1718# endif
1719# ifdef DBL_MAX_10_EXP
1720# define NV_MAX_10_EXP DBL_MAX_10_EXP
1721# endif
1722# ifdef DBL_EPSILON
1723# define NV_EPSILON DBL_EPSILON
1724# endif
205f51d8 1725# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1726# define NV_MAX DBL_MAX
1727# define NV_MIN DBL_MIN
1728# else
1729# ifdef HUGE_VAL
1730# define NV_MAX HUGE_VAL
1731# endif
1732# endif
65202027
DS		 1733# define Perl_cos cos
1734# define Perl_sin sin
1735# define Perl_sqrt sqrt
1736# define Perl_exp exp
1737# define Perl_log log
1738# define Perl_atan2 atan2
1739# define Perl_pow pow
1740# define Perl_floor floor
1bbae031 1741# define Perl_ceil ceil
65202027 1742# define Perl_fmod fmod
a3540c92 1743# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1744# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1745#endif
1746
1747/* rumor has it that Win32 has _fpclass() */
1748
205f51d8
AS		 1749/* SGI has fpclassl... but not with the same result values,
1750 * and it's via a typedef (not via #define), so will need to redo Configure
1751 * to use. Not worth the trouble, IMO, at least until the below is used
1752 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1753 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1754 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1755
758a5d79
JH		 1756#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1757# ifdef I_IEEFP
1758# include <ieeefp.h>
1759# endif
1760# ifdef I_FP
1761# include <fp.h>
1762# endif
1763# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1764# define Perl_fp_class() fpclassl(x)
1765# else
1766# define Perl_fp_class() fpclass(x)
1767# endif
1768# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1769# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1770# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1771# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1772# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1773# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1774# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1775# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1776# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1777# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1778# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1779# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1780# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1781# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1782# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1783#endif
1784
7114a2d2 1785#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1786# include <math.h>
1787# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1788# include <fp_class.h>
1789# endif
1790# define Perl_fp_class(x) fp_class(x)
1791# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1792# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1793# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1794# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1795# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1796# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1797# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1798# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1799# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1800# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1801# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1802# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1803# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1804# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1805# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1806#endif
1807
1808#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1809# include <math.h>
1810# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1811# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1812# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1813# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1814# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1815# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1816#endif
1817
1818#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1819# include <math.h>
1820# ifndef _cplusplus
1821# define Perl_fp_class(x) class(x)
1822# else
1823# define Perl_fp_class(x) _class(x)
1824# endif
1825# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1826# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1827# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1828# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1829# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1830# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1831# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1832# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1833# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1834# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1835# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1836# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1837# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1838# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1839# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1840#endif
1841
1842/* rumor has it that Win32 has _isnan() */
1843
1844#ifndef Perl_isnan
a3540c92 1845# ifdef HAS_ISNAN
758a5d79
JH		 1846# define Perl_isnan(x) isnan((NV)x)
1847# else
1848# ifdef Perl_fp_class_nan
1849# define Perl_isnan(x) Perl_fp_class_nan(x)
1850# else
1851# ifdef HAS_UNORDERED
1852# define Perl_isnan(x) unordered((x), 0.0)
1853# else
1854# define Perl_isnan(x) ((x)!=(x))
1855# endif
1856# endif
1857# endif
1858#endif
1859
ca6c63e1
JH		 1860#ifdef UNDER_CE
1861int isnan(double d);
1862#endif
1863
758a5d79
JH		 1864#ifndef Perl_isinf
1865# ifdef HAS_ISINF
1866# define Perl_isinf(x) isinf((NV)x)
a3540c92 1867# else
758a5d79
JH		 1868# ifdef Perl_fp_class_inf
1869# define Perl_isinf(x) Perl_fp_class_inf(x)
1870# else
1871# define Perl_isinf(x) ((x)==NV_INF)
1872# endif
1873# endif
1874#endif
1875
1876#ifndef Perl_isfinite
1877# ifdef HAS_FINITE
1878# define Perl_isfinite(x) finite((NV)x)
1879# else
1880# ifdef HAS_ISFINITE
1881# define Perl_isfinite(x) isfinite(x)
1882# else
1883# ifdef Perl_fp_class_finite
1884# define Perl_isfinite(x) Perl_fp_class_finite(x)
1885# else
1886# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1887# endif
1888# endif
a3540c92 1889# endif
65202027
DS		 1890#endif
1891
a36244b7
JH		 1892/* The default is to use Perl's own atof() implementation (in numeric.c).
1893 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1894 * it is however best to use the native implementation of atof.
1895 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1896 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1897 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1898 * you may need to be using a different function than atof! */
a36244b7
JH		 1899
1900#ifndef USE_PERL_ATOF
1901# ifndef _UNICOS
1902# define USE_PERL_ATOF
1903# endif
1904#else
1905# if USE_PERL_ATOF == 0
1906# undef USE_PERL_ATOF
1907# endif
1908#endif
1909
1910#ifdef USE_PERL_ATOF
1911# define Perl_atof(s) Perl_my_atof(s)
1912# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1913#else
1914# define Perl_atof(s) (NV)atof(s)
1915# define Perl_atof2(s, n) ((n) = atof(s))
1916#endif
cf2093f6 1917
d460ef45 1918/* Previously these definitions used hardcoded figures.
760ac839
LW		 1919 * It is hoped these formula are more portable, although
1920 * no data one way or another is presently known to me.
1921 * The "PERL_" names are used because these calculated constants
1922 * do not meet the ANSI requirements for LONG_MAX, etc., which
1923 * need to be constants acceptable to #if - kja
1924 * define PERL_LONG_MAX 2147483647L
1925 * define PERL_LONG_MIN (-LONG_MAX - 1)
1926 * define PERL ULONG_MAX 4294967295L
1927 */
1928
1929#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1930# include <limits.h>
760ac839 1931#endif
205f51d8
AS		 1932/* Included values.h above if necessary; still including limits.h down here,
1933 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1934
99abf803 1935/*
1936 * Try to figure out max and min values for the integral types. THE CORRECT
1937 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1938 * following hacks are used if neither limits.h or values.h provide them:
1939 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1940 * for types < int: (unsigned TYPE)~(unsigned)0
1941 * The argument to ~ must be unsigned so that later signed->unsigned
1942 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1943 * and it must not be smaller than int because ~ does integral promotion.
1944 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1945 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1946 * The latter is a hack which happens to work on some machines but
1947 * does *not* catch any random system, or things like integer types
1948 * with NaN if that is possible.
1949 *
1950 * All of the types are explicitly cast to prevent accidental loss of
1951 * numeric range, and in the hope that they will be less likely to confuse
1952 * over-eager optimizers.
1953 *
1954 */
27d4fb96 1955
99abf803 1956#define PERL_UCHAR_MIN ((unsigned char)0)
1957
1958#ifdef UCHAR_MAX
1959# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1960#else
99abf803 1961# ifdef MAXUCHAR
1962# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1963# else
99abf803 1964# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1965# endif
1966#endif
d460ef45 1967
99abf803 1968/*
1969 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1970 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1971 * depending on local options. Until Configure detects this (or at least
1972 * detects whether the "signed" keyword is available) the CHAR ranges
1973 * will not be included. UCHAR functions normally.
1974 * - kja
1975 */
27d4fb96 1976
99abf803 1977#define PERL_USHORT_MIN ((unsigned short)0)
1978
1979#ifdef USHORT_MAX
1980# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1981#else
99abf803 1982# ifdef MAXUSHORT
1983# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1984# else
ef2f54b0
CB		 1985# ifdef USHRT_MAX
1986# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1987# else
1988# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1989# endif
27d4fb96 1990# endif
1991#endif
1992
27d4fb96 1993#ifdef SHORT_MAX
99abf803 1994# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1995#else
1996# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1997# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1998# else
ef2f54b0
CB		 1999# ifdef SHRT_MAX
2000# define PERL_SHORT_MAX ((short)SHRT_MAX)
2001# else
2002# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2003# endif
27d4fb96 2004# endif
2005#endif
2006
2007#ifdef SHORT_MIN
99abf803 2008# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2009#else
2010# ifdef MINSHORT
99abf803 2011# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2012# else
ef2f54b0
CB		 2013# ifdef SHRT_MIN
2014# define PERL_SHORT_MIN ((short)SHRT_MIN)
2015# else
2016# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2017# endif
27d4fb96 2018# endif
2019#endif
2020
99abf803 2021#ifdef UINT_MAX
2022# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2023#else
99abf803 2024# ifdef MAXUINT
2025# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2026# else
99abf803 2027# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2028# endif
2029#endif
2030
99abf803 2031#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2032
2033#ifdef INT_MAX
99abf803 2034# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2035#else
2036# ifdef MAXINT /* Often used in <values.h> */
99abf803 2037# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2038# else
99abf803 2039# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2040# endif
2041#endif
2042
2043#ifdef INT_MIN
99abf803 2044# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2045#else
2046# ifdef MININT
99abf803 2047# define PERL_INT_MIN ((int)MININT)
27d4fb96 2048# else
2049# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2050# endif
2051#endif
2052
99abf803 2053#ifdef ULONG_MAX
2054# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2055#else
99abf803 2056# ifdef MAXULONG
2057# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2058# else
99abf803 2059# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2060# endif
2061#endif
2062
99abf803 2063#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2064
760ac839 2065#ifdef LONG_MAX
99abf803 2066# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2067#else
2068# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2069# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2070# else
99abf803 2071# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2072# endif
2073#endif
2074
2075#ifdef LONG_MIN
99abf803 2076# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2077#else
2078# ifdef MINLONG
99abf803 2079# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2080# else
27d4fb96 2081# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2082# endif
2083#endif
2084
d7d93a81 2085#ifdef UV_IS_QUAD
99abf803 2086
99abf803 2087# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2088# define PERL_UQUAD_MIN ((UV)0)
99abf803 2089# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2090# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2091
79072805
LW		 2092#endif
2093
22f7c9c9
JH		 2094#ifdef MYMALLOC
2095# include "malloc_ctl.h"
2096#endif
2097
830247a4 2098struct RExC_state_t;
880b20b6 2099
ee0007ab 2100typedef MEM_SIZE STRLEN;
450a55e4 2101
79072805
LW		 2102typedef struct op OP;
2103typedef struct cop COP;
2104typedef struct unop UNOP;
2105typedef struct binop BINOP;
2106typedef struct listop LISTOP;
2107typedef struct logop LOGOP;
79072805
LW		 2108typedef struct pmop PMOP;
2109typedef struct svop SVOP;
7934575e 2110typedef struct padop PADOP;
79072805 2111typedef struct pvop PVOP;
79072805
LW		 2112typedef struct loop LOOP;
2113
93a17b20 2114typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2115
2116/* Amdahl's <ksync.h> has struct sv */
2117/* SGI's <sys/sema.h> has struct sv */
2118#if defined(UTS) || defined(__sgi)
2119# define STRUCT_SV perl_sv
b8d3c5db
JH		 2120#else
2121# define STRUCT_SV sv
2122#endif
2123typedef struct STRUCT_SV SV;
79072805
LW		 2124typedef struct av AV;
2125typedef struct hv HV;
2126typedef struct cv CV;
378cc40b 2127typedef struct regexp REGEXP;
79072805 2128typedef struct gp GP;
0c30d9ec 2129typedef struct gv GV;
8990e307 2130typedef struct io IO;
c09156bb 2131typedef struct context PERL_CONTEXT;
79072805
LW		 2132typedef struct block BLOCK;
2133
2134typedef struct magic MAGIC;
2135typedef struct xpv XPV;
2136typedef struct xpviv XPVIV;
ff68c719 2137typedef struct xpvuv XPVUV;
79072805
LW		 2138typedef struct xpvnv XPVNV;
2139typedef struct xpvmg XPVMG;
2140typedef struct xpvlv XPVLV;
2141typedef struct xpvav XPVAV;
2142typedef struct xpvhv XPVHV;
2143typedef struct xpvgv XPVGV;
2144typedef struct xpvcv XPVCV;
2145typedef struct xpvbm XPVBM;
2146typedef struct xpvfm XPVFM;
8990e307 2147typedef struct xpvio XPVIO;
79072805
LW		 2148typedef struct mgvtbl MGVTBL;
2149typedef union any ANY;
5f7fde29
GS		 2150typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2151typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2152typedef struct clone_params CLONE_PARAMS;
2153
378cc40b 2154#include "handy.h"
a0d0e21e 2155
6b8eaf93 2156#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2157# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2158# define USE_64_BIT_RAWIO /* implicit */
2159# endif
4564133c
JH		 2160#endif
2161
6b8eaf93
JH		 2162/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2163 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2164 * however, because operating systems like to do that themself. */
2165#ifndef FSEEKSIZE
2166# ifdef HAS_FSEEKO
2167# define FSEEKSIZE LSEEKSIZE
2168# else
2169# define FSEEKSIZE LONGSIZE
d460ef45 2170# endif
6b8eaf93
JH		 2171#endif
2172
2173#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2174# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2175# define USE_64_BIT_STDIO /* implicit */
2176# endif
2177#endif
4564133c 2178
09458382 2179#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2180# ifdef HAS_OFF64_T
2181# undef Off_t
2182# define Off_t off64_t
2183# undef LSEEKSIZE
2184# define LSEEKSIZE 8
5ff3f7a4 2185# endif
d9b3e12d
JH		 2186/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2187 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2188 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2189# if defined(USE_OPEN64)
2190# define open open64
5ff3f7a4 2191# endif
d9b3e12d
JH		 2192# if defined(USE_LSEEK64)
2193# define lseek lseek64
6b8eaf93
JH		 2194# else
2195# if defined(USE_LLSEEK)
2196# define lseek llseek
2197# endif
d9b3e12d
JH		 2198# endif
2199# if defined(USE_STAT64)
2200# define stat stat64
2201# endif
2202# if defined(USE_FSTAT64)
2203# define fstat fstat64
2204# endif
2205# if defined(USE_LSTAT64)
2206# define lstat lstat64
2207# endif
2208# if defined(USE_FLOCK64)
2209# define flock flock64
2210# endif
2211# if defined(USE_LOCKF64)
2212# define lockf lockf64
2213# endif
2214# if defined(USE_FCNTL64)
2215# define fcntl fcntl64
2216# endif
2217# if defined(USE_TRUNCATE64)
2218# define truncate truncate64
2219# endif
2220# if defined(USE_FTRUNCATE64)
2221# define ftruncate ftruncate64
2222# endif
2223#endif
2224
2225#ifdef USE_64_BIT_STDIO
2226# ifdef HAS_FPOS64_T
2227# undef Fpos_t
2228# define Fpos_t fpos64_t
2229# endif
2230/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2231 * will trigger defines like the ones below. Some 64-bit environments,
2232 * however, do not. */
2233# if defined(USE_FOPEN64)
2234# define fopen fopen64
2235# endif
2236# if defined(USE_FSEEK64)
6b8eaf93 2237# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2238# endif
2239# if defined(USE_FTELL64)
6b8eaf93 2240# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2241# endif
2242# if defined(USE_FSETPOS64)
2243# define fsetpos fsetpos64
2244# endif
2245# if defined(USE_FGETPOS64)
2246# define fgetpos fgetpos64
2247# endif
2248# if defined(USE_TMPFILE64)
2249# define tmpfile tmpfile64
2250# endif
2251# if defined(USE_FREOPEN64)
2252# define freopen freopen64
5ff3f7a4
GS		 2253# endif
2254#endif
2255
af8b425d 2256#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2257# include "iperlsys.h"
2258#endif
2259
6f71a643 2260#if defined(__OPEN_VM)
19848b3f
JH		 2261# include "vmesa/vmesaish.h"
2262# define ISHISH "vmesa"
6f71a643
JH		 2263#endif
2264
748a9306 2265#ifdef DOSISH
19848b3f
JH		 2266# if defined(OS2)
2267# include "os2ish.h"
2268# else
2269# include "dosish.h"
2270# endif
2271# define ISHISH "dos"
2272#endif
2273
2274#if defined(VMS)
748a9306 2275# include "vmsish.h"
96e176bf 2276# include "embed.h"
19848b3f
JH		 2277# define ISHISH "vms"
2278#endif
2279
2280#if defined(PLAN9)
2281# include "./plan9/plan9ish.h"
2282# define ISHISH "plan9"
2283#endif
2284
2285#if defined(MPE)
2286# include "mpeix/mpeixish.h"
2287# define ISHISH "mpeix"
2288#endif
2289
2290#if defined(__VOS__)
196918b0
PG		 2291# ifdef __GNUC__
2292# include "./vos/vosish.h"
2293# else
2294# include "vos/vosish.h"
2295# endif
19848b3f
JH		 2296# define ISHISH "vos"
2297#endif
2298
2299#if defined(EPOC)
2300# include "epocish.h"
2301# define ISHISH "epoc"
2302#endif
2303
27da23d5
JH		 2304#ifdef SYMBIAN
2305# include "symbian/symbianish.h"
2306# include "embed.h"
2307# define ISHISH "symbian"
2308#endif
2309
19848b3f
JH		 2310#if defined(MACOS_TRADITIONAL)
2311# include "macos/macish.h"
2312# ifndef NO_ENVIRON_ARRAY
2313# define NO_ENVIRON_ARRAY
0c30d9ec 2314# endif
19848b3f
JH		 2315# define ISHISH "macos classic"
2316#endif
2317
efca5cc6
JH		 2318#if defined(__BEOS__)
2319# include "beos/beosish.h"
2320# define ISHISH "beos"
2321#endif
2322
19848b3f
JH		 2323#ifndef ISHISH
2324# include "unixish.h"
2325# define ISHISH "unix"
13b6e58c
JH		 2326#endif
2327
2328#ifndef NO_ENVIRON_ARRAY
2329# define USE_ENVIRON_ARRAY
2330#endif
32f822de 2331
c77b533b
JH		 2332/*
2333 * initialise to avoid floating-point exceptions from overflow, etc
2334 */
2335#ifndef PERL_FPU_INIT
2336# ifdef HAS_FPSETMASK
2337# if HAS_FLOATINGPOINT_H
2338# include <floatingpoint.h>
2339# endif
2340# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2341# else
2f42fcb0 2342# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2343# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2344# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2345# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2346# else
2347# define PERL_FPU_INIT
2f42fcb0 2348
7014c407 2349# endif
c77b533b
JH		 2350# endif
2351#endif
b35112e7
CS		 2352#ifndef PERL_FPU_PRE_EXEC
2353# define PERL_FPU_PRE_EXEC {
2354# define PERL_FPU_POST_EXEC }
2355#endif
c77b533b 2356
ed344e4f
IZ		 2357#ifndef PERL_SYS_INIT3
2358# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2359#endif
2360
be708cc0
JH		 2361#ifndef PERL_WRITE_MSG_TO_CONSOLE
2362# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2363#endif
2364
0f31cffe
GS		 2365#ifndef MAXPATHLEN
2366# ifdef PATH_MAX
b990c8b2
JH		 2367# ifdef _POSIX_PATH_MAX
2368# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2369/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2370 * included the null byte or not. Later amendments of POSIX,
2371 * XPG4, the Austin Group, and the Single UNIX Specification
2372 * all explicitly include the null byte in the PATH_MAX.
2373 * Ditto for _POSIX_PATH_MAX. */
2374# define MAXPATHLEN PATH_MAX
b990c8b2 2375# else
09448d78 2376# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2377# endif
2378# else
2379# define MAXPATHLEN (PATH_MAX+1)
2380# endif
0f31cffe 2381# else
b990c8b2 2382# ifdef _POSIX_PATH_MAX
09448d78 2383# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2384# else
2385# define MAXPATHLEN 1024 /* Err on the large side. */
2386# endif
0f31cffe
GS		 2387# endif
2388#endif
2389
c80263a8
SH		 2390/* In case Configure was not used (we are using a "canned config"
2391 * such as Win32, or a cross-compilation setup, for example) try going
2392 * by the gcc major and minor versions. One useful URL is
2393 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2394 * but contrary to this information warn_unused_result seems
2395 * not to be in gcc 3.3.5, at least. --jhi
2396 * Set these up now otherwise we get confused when some of the <*thread.h>
2397 * includes below indirectly pull in <perlio.h> (which needs to know if we
2398 * have HASATTRIBUTE_FORMAT).
2399 */
2400
2401#if defined __GNUC__
2402# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2403# define HASATTRIBUTE_FORMAT
2404# endif
2405# if __GNUC__ >= 3 /* 3.0 -> */
2406# define HASATTRIBUTE_MALLOC
2407# endif
2408# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2409# define HASATTRIBUTE_NONNULL
2410# endif
2411# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2412# define HASATTRIBUTE_NORETURN
2413# endif
2414# if __GNUC__ >= 3 /* gcc 3.0 -> */
2415# define HASATTRIBUTE_PURE
2416# endif
2417# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2418# define HASATTRIBUTE_UNUSED
2419# endif
2420# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2421# define HASATTRIBUTE_WARN_UNUSED_RESULT
2422# endif
2423#endif
2424
3db8f154 2425/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2426 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2427 * this results in many functions being undeclared which bothers C++
2428 * May make sense to have threads after "*ish.h" anyway
2429 */
2430
3db8f154 2431#if defined(USE_ITHREADS)
2986a63f
JH		 2432# ifdef NETWARE
2433# include <nw5thread.h>
2434# else
32f822de
GS		 2435# ifdef FAKE_THREADS
2436# include "fakethr.h"
2437# else
2438# ifdef WIN32
2439# include <win32thread.h>
2440# else
dd96f567
IZ		 2441# ifdef OS2
2442# include "os2thread.h"
2443# else
7f3d1cf1 2444# ifdef I_MACH_CTHREADS
bdd66968 2445# include <mach/cthreads.h>
8f1f23e8 2446# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2447# define MUTEX_INIT_CALLS_MALLOC
2448# endif
7f3d1cf1
BH		 2449typedef cthread_t perl_os_thread;
2450typedef mutex_t perl_mutex;
2451typedef condition_t perl_cond;
2452typedef void * perl_key;
2453# else /* Posix threads */
1f5ae88c
JH		 2454# ifdef I_PTHREAD
2455# include <pthread.h>
2456# endif
7f3d1cf1
BH		 2457typedef pthread_t perl_os_thread;
2458typedef pthread_mutex_t perl_mutex;
2459typedef pthread_cond_t perl_cond;
2460typedef pthread_key_t perl_key;
2461# endif /* I_MACH_CTHREADS */
dd96f567 2462# endif /* OS2 */
32f822de
GS		 2463# endif /* WIN32 */
2464# endif /* FAKE_THREADS */
2986a63f 2465#endif /* NETWARE */
3db8f154 2466#endif /* USE_ITHREADS */
c5be433b 2467
66a93824 2468#if defined(WIN32)
1feb2720 2469# include "win32.h"
c5be433b
GS		 2470#endif
2471
2986a63f
JH		 2472#ifdef NETWARE
2473# include "netware.h"
2474#endif
2475
e5218da5 2476#define STATUS_UNIX PL_statusvalue
68dc0745 2477#ifdef VMS
6b88bc9c 2478# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2479# define STATUS_NATIVE_EXPORT \
d98f61e7 2480 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2481# define STATUS_NATIVE_SET(n) \
2482 STMT_START { \
6b88bc9c
GS		 2483 PL_statusvalue_vms = (n); \
2484 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2485 PL_statusvalue = -1; \
6b88bc9c 2486 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2487 PL_statusvalue = 0; \
6b88bc9c
GS		 2488 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2489 PL_statusvalue = 1 << 8; \
68dc0745 2490 else \
6b88bc9c 2491 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2492 } STMT_END
68dc0745 2493# ifdef VMSISH_STATUS
e5218da5 2494# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2495# else
e5218da5 2496# define STATUS_CURRENT STATUS_UNIX
68dc0745 2497# endif
e5218da5 2498# define STATUS_UNIX_SET(n) \
68dc0745 2499 STMT_START { \
3280af22
NIS		 2500 PL_statusvalue = (n); \
2501 if (PL_statusvalue != -1) { \
2502 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2503 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2504 } \
6b88bc9c 2505 else PL_statusvalue_vms = -1; \
68dc0745 2506 } STMT_END
6b88bc9c
GS		 2507# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2508# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2509#else
e5218da5
GA		 2510# define STATUS_NATIVE PL_statusvalue_posix
2511# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2512# if defined(WCOREDUMP)
2513# define STATUS_NATIVE_SET(n) \
2514 STMT_START { \
2515 PL_statusvalue_posix = (n); \
2516 if (PL_statusvalue_posix == -1) \
2517 PL_statusvalue = -1; \
2518 else { \
2519 PL_statusvalue = \
2520 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2521 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2522 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2523 } \
2524 } STMT_END
2525# elif defined(WIFEXITED)
2526# define STATUS_NATIVE_SET(n) \
2527 STMT_START { \
2528 PL_statusvalue_posix = (n); \
2529 if (PL_statusvalue_posix == -1) \
2530 PL_statusvalue = -1; \
2531 else { \
2532 PL_statusvalue = \
2533 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2534 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2535 } \
2536 } STMT_END
2537# else
2538# define STATUS_NATIVE_SET(n) \
2539 STMT_START { \
2540 PL_statusvalue_posix = (n); \
2541 if (PL_statusvalue_posix == -1) \
2542 PL_statusvalue = -1; \
2543 else { \
2544 PL_statusvalue = \
2545 PL_statusvalue_posix & 0xFFFF; \
2546 } \
2547 } STMT_END
2548# endif
2549# define STATUS_UNIX_SET(n) \
68dc0745 2550 STMT_START { \
3280af22 2551 PL_statusvalue = (n); \
e5218da5 2552 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS		 2553 if (PL_statusvalue != -1) \
2554 PL_statusvalue &= 0xFFFF; \
68dc0745 2555 } STMT_END
e5218da5
GA		 2556# define STATUS_CURRENT STATUS_UNIX
2557# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2558# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2559#endif
2560
cc3604b1
GS		 2561/* flags in PL_exit_flags for nature of exit() */
2562#define PERL_EXIT_EXPECTED 0x01
31d77e54 2563#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2564
0b94c7bb 2565#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2566# define MEMBER_TO_FPTR(name) name
2567#endif
2568
2569/* format to use for version numbers in file/directory names */
273cf8d1 2570/* XXX move to Configure? */
a7cb1f99 2571#ifndef PERL_FS_VER_FMT
273cf8d1 2572# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2573#endif
2574
45bc9206 2575/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2576 * performance issue, so we allow people to disable it. Also, if
2577 * we are using stdio, there are broken implementations of fflush(NULL)
2578 * out there, Solaris being the most prominent.
45bc9206
GS		 2579 */
2580#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2581# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2582# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2583# else
2584# ifdef FFLUSH_ALL
2585# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2586# else
c5be433b 2587# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2588# endif
66fe083f 2589# endif
45bc9206
GS		 2590#endif
2591
7766f137
GS		 2592#ifndef PERL_WAIT_FOR_CHILDREN
2593# define PERL_WAIT_FOR_CHILDREN NOOP
2594#endif
2595
ba869deb 2596/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2597#ifndef PERL_SET_INTERP
2598# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2599#endif
2600
2601#ifndef PERL_GET_INTERP
2602# define PERL_GET_INTERP (PL_curinterp)
2603#endif
2604
54aff467 2605#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2606# ifdef MULTIPLICITY
ba869deb 2607# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2608# endif
ba869deb
GS		 2609# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2610#endif
2611
0dbb1585
AL		 2612/* This replaces the previous %_ "hack" by the "%-p" hack
2613 All that is required is that the perl source does not
2614 use "%-p" or "%-<number>p" format. These format will
2615 still work in perl code. RMB 2005/05/17
2616*/
894356b3 2617#ifndef SVf
0dbb1585 2618# define SVf "-p"
894356b3
GS		 2619#endif
2620
014ead4b 2621#ifndef SVf_precision
0dbb1585 2622# define SVf_precision(n) "-" n "p"
d2560b70
RB		 2623#endif
2624
014ead4b
RB		 2625#ifndef SVf32
2626# define SVf32 SVf_precision("32")
2627#endif
2628
2629#ifndef SVf256
2630# define SVf256 SVf_precision("256")
2631#endif
2632
2633#ifndef UVf
2634# define UVf UVuf
d2560b70
RB		 2635#endif
2636
5df617be 2637#ifndef DieNull
0dbb1585 2638# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB		 2639#endif
2640
0dbb1585
AL		 2641#ifdef HASATTRIBUTE_FORMAT
2642# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2643#endif
2644#ifdef HASATTRIBUTE_MALLOC
77785eea 2645# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2646#endif
0dbb1585 2647#ifdef HASATTRIBUTE_NONNULL
abb2c242 2648# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2649#endif
0dbb1585 2650#ifdef HASATTRIBUTE_NORETURN
abb2c242 2651# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2652#endif
0dbb1585 2653#ifdef HASATTRIBUTE_PURE
abb2c242 2654# define __attribute__pure__ __attribute__((pure))
f22be1b8 2655#endif
0dbb1585
AL		 2656#ifdef HASATTRIBUTE_UNUSED
2657# define __attribute__unused__ __attribute__((unused))
2658#endif
2659#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2660# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2661#endif
2662
0dbb1585
AL		 2663/* If we haven't defined the attributes yet, define them to blank. */
2664#ifndef __attribute__format__
2665# define __attribute__format__(x,y,z)
2666#endif
f22be1b8 2667#ifndef __attribute__malloc__
abb2c242 2668# define __attribute__malloc__
f22be1b8
JH		 2669#endif
2670#ifndef __attribute__nonnull__
abb2c242 2671# define __attribute__nonnull__(a)
f22be1b8
JH		 2672#endif
2673#ifndef __attribute__noreturn__
abb2c242 2674# define __attribute__noreturn__
f22be1b8
JH		 2675#endif
2676#ifndef __attribute__pure__
abb2c242 2677# define __attribute__pure__
f22be1b8 2678#endif
0dbb1585
AL		 2679#ifndef __attribute__unused__
2680# define __attribute__unused__
2681#endif
f22be1b8 2682#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2683# define __attribute__warn_unused_result__
2684#endif
2685
0dbb1585
AL		 2686/* For functions that are marked as __attribute__noreturn__, it's not
2687 appropriate to call return. In either case, include the lint directive.
2688 */
2689#ifdef HASATTRIBUTE_NORETURN
2690# define NORETURN_FUNCTION_END /* NOT REACHED */
2691#else
2692# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2693#endif
2694
3fc1aec6 2695/* Some unistd.h's give a prototype for pause() even though
2696 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2697 below to be rejected by the compiler. Sigh.
3fc1aec6 2698*/
2699#ifdef HAS_PAUSE
2700#define Pause pause
2701#else
2702#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2703#endif
2704
2705#ifndef IOCPARM_LEN
2706# ifdef IOCPARM_MASK
2707 /* on BSDish systes we're safe */
2708# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2709# else
2710 /* otherwise guess at what's safe */
2711# define IOCPARM_LEN(x) 256
2712# endif
a0d0e21e
LW		 2713#endif
2714
1761cee5 2715#if defined(__CYGWIN__)
521e0776
GS		 2716/* USEMYBINMODE
2717 * This symbol, if defined, indicates that the program should
16fe6d59 2718 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2719 * that a file is in "binary" mode -- that is, that no translation
2720 * of bytes occurs on read or write operations.
2721 */
36894f0b 2722# define USEMYBINMODE /**/
77a40698 2723# include <io.h> /* for setmode() prototype */
16fe6d59 2724# define my_binmode(fp, iotype, mode) \
77a40698 2725 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2726#endif
2727
88d10794
JH		 2728#ifdef __CYGWIN__
2729void init_os_extras(void);
2730#endif
2731
cea2e8a9
GS		 2732#ifdef UNION_ANY_DEFINITION
2733UNION_ANY_DEFINITION;
2734#else
2735union any {
2736 void* any_ptr;
2737 I32 any_i32;
2738 IV any_iv;
2739 long any_long;
9febdf04 2740 bool any_bool;
c76ac1ee 2741 void (*any_dptr) (void*);
acfe0abc 2742 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2743};
2744#endif
2745
acfe0abc 2746typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2747
2748#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2749#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2750#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2751
c5078cac
JH		 2752#if defined(_AIX) && !defined(_AIX43)
2753#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2754/* We cannot include <crypt.h> to get the struct crypt_data
2755 * because of setkey prototype problems when threading */
2756typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2757 /* From OSF, Not needed in AIX
2758 char C[28], D[28];
2759 */
2760 char E[48];
2761 char KS[16][48];
2762 char block[66];
2763 char iobuf[16];
2764} CRYPTD;
2765#endif /* threading */
2766#endif /* AIX */
2767
af8b425d 2768#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2769# include "iperlsys.h"
2770#endif
504f80c1 2771
d10dc2ae
JH		 2772/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2773 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2774 * defined by Configure, despite their names being similar to the
2775 * other defines like USE_ITHREADS. Configure in fact knows nothing
2776 * about the randomised hashes. Therefore to enable/disable the hash
2777 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2778#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2779# define USE_HASH_SEED
504f80c1
JH		 2780#endif
2781
378cc40b 2782#include "regexp.h"
79072805 2783#include "sv.h"
378cc40b 2784#include "util.h"
8d063cd8 2785#include "form.h"
79072805 2786#include "gv.h"
dd2155a4 2787#include "pad.h"
79072805 2788#include "cv.h"
abdd5c84 2789#include "opnames.h"
79072805
LW		 2790#include "op.h"
2791#include "cop.h"
2792#include "av.h"
2793#include "hv.h"
2794#include "mg.h"
2795#include "scope.h"
4438c4b7 2796#include "warnings.h"
a0ed51b3 2797#include "utf8.h"
8d063cd8 2798
7fae4e64
GS		 2799/* Current curly descriptor */
2800typedef struct curcur CURCUR;
2801struct curcur {
2802 int parenfloor; /* how far back to strip paren data */
2803 int cur; /* how many instances of scan we've matched */
2804 int min; /* the minimal number of scans to match */
2805 int max; /* the maximal number of scans to match */
2806 int minmod; /* whether to work our way up or down */
2807 regnode * scan; /* the thing to match */
2808 regnode * next; /* what has to match after it */
2809 char * lastloc; /* where we started matching this scan */
2810 CURCUR * oldcc; /* current curly before we started this one */
2811};
2812
2813typedef struct _sublex_info SUBLEXINFO;
2814struct _sublex_info {
2815 I32 super_state; /* lexer state to save */
2816 I32 sub_inwhat; /* "lex_inwhat" to use */
2817 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2818 char *super_bufptr; /* PL_bufptr that was */
2819 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2820};
2821
455ece5e 2822typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2823
2c2d71f5 2824struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2825struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2826
2827typedef I32 CHECKPOINT;
76e3520e 2828
6f51351d
NC		 2829/* Keep next first in this structure, because sv_free_arenas take
2830 advantage of this to share code between the pte arenas and the SV
2831 body arenas */
5f7fde29
GS		 2832struct ptr_tbl_ent {
2833 struct ptr_tbl_ent* next;
53c1dcc0 2834 const void* oldval;
5f7fde29 2835 void* newval;
d18c6117
GS		 2836};
2837
5f7fde29
GS		 2838struct ptr_tbl {
2839 struct ptr_tbl_ent** tbl_ary;
2840 UV tbl_max;
2841 UV tbl_items;
d18c6117
GS		 2842};
2843
450a55e4 2844#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2845# define I286
2846#endif
2847
fe14fcc3
LW		 2848#if defined(htonl) && !defined(HAS_HTONL)
2849#define HAS_HTONL
ae986130 2850#endif
fe14fcc3
LW		 2851#if defined(htons) && !defined(HAS_HTONS)
2852#define HAS_HTONS
ae986130 2853#endif
fe14fcc3
LW		 2854#if defined(ntohl) && !defined(HAS_NTOHL)
2855#define HAS_NTOHL
ae986130 2856#endif
fe14fcc3
LW		 2857#if defined(ntohs) && !defined(HAS_NTOHS)
2858#define HAS_NTOHS
ae986130 2859#endif
fe14fcc3 2860#ifndef HAS_HTONL
d9d8d8de 2861#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2862#define HAS_HTONS
2863#define HAS_HTONL
2864#define HAS_NTOHS
2865#define HAS_NTOHL
a687059c
LW		 2866#define MYSWAP
2867#define htons my_swap
2868#define htonl my_htonl
2869#define ntohs my_swap
2870#define ntohl my_ntohl
2871#endif
2872#else
d9d8d8de 2873#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2874#undef HAS_HTONS
2875#undef HAS_HTONL
2876#undef HAS_NTOHS
2877#undef HAS_NTOHL
a687059c
LW		 2878#endif
2879#endif
2880
988174c1
LW		 2881/*
2882 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2883 * -DWS
2884 */
2885#if BYTEORDER != 0x1234
2886# define HAS_VTOHL
2887# define HAS_VTOHS
2888# define HAS_HTOVL
2889# define HAS_HTOVS
c67712b2 2890# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2891# define vtohl(x) ((((x)&0xFF)<<24) \
2892 +(((x)>>24)&0xFF) \
2893 +(((x)&0x0000FF00)<<8) \
2894 +(((x)&0x00FF0000)>>8) )
2895# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2896# define htovl(x) vtohl(x)
2897# define htovs(x) vtohs(x)
2898# endif
2899 /* otherwise default to functions in util.c */
2a8c3029 2900#ifndef htovs
c623ac67
GS		 2901short htovs(short n);
2902short vtohs(short n);
2903long htovl(long n);
2904long vtohl(long n);
988174c1 2905#endif
2a8c3029 2906#endif
988174c1 2907
3bb7c1b4
JH		 2908/* *MAX Plus 1. A floating point value.
2909 Hopefully expressed in a way that dodgy floating point can't mess up.
2910 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2911 is added to it
2912 May find that some broken compiler will want the value cast to I32.
2913 [after the shift, as signed >> may not be as secure as unsigned >>]
2914*/
2915#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2916#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2917/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2918 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2919 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2920*/
2921#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2922
3bb7c1b4
JH		 2923#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2924#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2925#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2926
2927/* This may look like unnecessary jumping through hoops, but converting
2928 out of range floating point values to integers *is* undefined behaviour,
2929 and it is starting to bite.
2930*/
2931#ifndef CAST_INLINE
65202027 2932#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2933#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2934#define I_V(what) (cast_iv((NV)(what)))
2935#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2936#else
2937#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2938 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2939 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2940#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2941 : ((n) < U32_MAX_P1 ? (U32) (n) \
2942 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2943#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2944 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2945 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2946#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2947 : ((n) < UV_MAX_P1 ? (UV) (n) \
2948 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2949#endif
2950
2951#define U_S(what) ((U16)U_32(what))
2952#define U_I(what) ((unsigned int)U_32(what))
2953#define U_L(what) U_32(what)
ed6116ce 2954
2d4389e4
JH		 2955/* These do not care about the fractional part, only about the range. */
2956#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2957#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2958
25da4f38
IZ		 2959/* Used with UV/IV arguments: */
2960 /* XXXX: need to speed it up */
2961#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2962#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2963
352d5a3a
LW		 2964#ifndef MAXSYSFD
2965# define MAXSYSFD 2
2966#endif
ee0007ab 2967
79072805 2968#ifndef __cplusplus
27da23d5 2969#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 2970Uid_t getuid (void);
2971Uid_t geteuid (void);
2972Gid_t getgid (void);
2973Gid_t getegid (void);
79072805 2974#endif
e1caacb4 2975#endif
8d063cd8 2976
0c30d9ec 2977#ifndef Perl_debug_log
bf49b057
GS		 2978# define Perl_debug_log PerlIO_stderr()
2979#endif
2980
2981#ifndef Perl_error_log
2982# define Perl_error_log (PL_stderrgv \
6b78add2 2983 && isGV(PL_stderrgv) \
01bb7c6d 2984 && GvIOp(PL_stderrgv) \
42de951c 2985 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2986 ? IoOFP(GvIOp(PL_stderrgv)) \
2987 : PerlIO_stderr())
0c30d9ec 2988#endif
3967c732 2989
aea4f609
DM		 2990
2991#define DEBUG_p_FLAG 0x00000001 /* 1 */
2992#define DEBUG_s_FLAG 0x00000002 /* 2 */
2993#define DEBUG_l_FLAG 0x00000004 /* 4 */
2994#define DEBUG_t_FLAG 0x00000008 /* 8 */
2995#define DEBUG_o_FLAG 0x00000010 /* 16 */
2996#define DEBUG_c_FLAG 0x00000020 /* 32 */
2997#define DEBUG_P_FLAG 0x00000040 /* 64 */
2998#define DEBUG_m_FLAG 0x00000080 /* 128 */
2999#define DEBUG_f_FLAG 0x00000100 /* 256 */
3000#define DEBUG_r_FLAG 0x00000200 /* 512 */
3001#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3002#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3003 /* spare */
aea4f609
DM		 3004#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3005#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3006#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3007#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3008#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3009#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3010#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3011#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3012#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3013#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3014#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3015#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3016
3017#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3018#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3019 that something was done? */
aea4f609 3020
bd16a5f0
IZ		 3021# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3022# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3023# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3024# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3025# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3026# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3027# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3028# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3029# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3030# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3031# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3032# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3033# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3034# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3035# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3036# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3037# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3038# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3039# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3040# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3041# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3042# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3043# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3044# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3045
3967c732 3046#ifdef DEBUGGING
aea4f609 3047
bd16a5f0
IZ		 3048# define DEBUG_p_TEST DEBUG_p_TEST_
3049# define DEBUG_s_TEST DEBUG_s_TEST_
3050# define DEBUG_l_TEST DEBUG_l_TEST_
3051# define DEBUG_t_TEST DEBUG_t_TEST_
3052# define DEBUG_o_TEST DEBUG_o_TEST_
3053# define DEBUG_c_TEST DEBUG_c_TEST_
3054# define DEBUG_P_TEST DEBUG_P_TEST_
3055# define DEBUG_m_TEST DEBUG_m_TEST_
3056# define DEBUG_f_TEST DEBUG_f_TEST_
3057# define DEBUG_r_TEST DEBUG_r_TEST_
3058# define DEBUG_x_TEST DEBUG_x_TEST_
3059# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3060# define DEBUG_H_TEST DEBUG_H_TEST_
3061# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3062# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3063# define DEBUG_D_TEST DEBUG_D_TEST_
3064# define DEBUG_S_TEST DEBUG_S_TEST_
3065# define DEBUG_T_TEST DEBUG_T_TEST_
3066# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3067# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3068# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3069# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3070# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3071# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3072
488b0c7a
JH		 3073# define PERL_DEB(a) a
3074# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3075# define DEBUG_p(a) if (DEBUG_p_TEST) a
3076# define DEBUG_s(a) if (DEBUG_s_TEST) a
3077# define DEBUG_l(a) if (DEBUG_l_TEST) a
3078# define DEBUG_t(a) if (DEBUG_t_TEST) a
3079# define DEBUG_o(a) if (DEBUG_o_TEST) a
3080# define DEBUG_c(a) if (DEBUG_c_TEST) a
3081# define DEBUG_P(a) if (DEBUG_P_TEST) a
3082
969058bb
VK		 3083 /* Temporarily turn off memory debugging in case the a
3084 * does memory allocation, either directly or indirectly. */
acfe0abc 3085# define DEBUG_m(a) \
0b250b9e 3086 STMT_START { \
aea4f609 3087 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3088 } STMT_END
aea4f609 3089
5f80b19c
AMS		 3090# define DEBUG__(t, a) \
3091 STMT_START { \
3092 if (t) STMT_START {a;} STMT_END; \
3093 } STMT_END
3094
3095# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3096# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3097# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3098# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3099# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3100# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3101# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3102# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3103
3db8f154 3104# define DEBUG_S(a)
aea4f609 3105
5f80b19c
AMS		 3106# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3107# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3108# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3109# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3110# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3111# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3112
3113#else /* DEBUGGING */
3114
3115# define DEBUG_p_TEST (0)
3116# define DEBUG_s_TEST (0)
3117# define DEBUG_l_TEST (0)
3118# define DEBUG_t_TEST (0)
3119# define DEBUG_o_TEST (0)
3120# define DEBUG_c_TEST (0)
3121# define DEBUG_P_TEST (0)
3122# define DEBUG_m_TEST (0)
3123# define DEBUG_f_TEST (0)
3124# define DEBUG_r_TEST (0)
3125# define DEBUG_x_TEST (0)
3126# define DEBUG_u_TEST (0)
aea4f609
DM		 3127# define DEBUG_H_TEST (0)
3128# define DEBUG_X_TEST (0)
dd2155a4 3129# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3130# define DEBUG_D_TEST (0)
3131# define DEBUG_S_TEST (0)
3132# define DEBUG_T_TEST (0)
04932ac8 3133# define DEBUG_R_TEST (0)
1045810a 3134# define DEBUG_J_TEST (0)
d6721266 3135# define DEBUG_v_TEST (0)
46187eeb 3136# define DEBUG_C_TEST (0)
ecae49c0
NC		 3137# define DEBUG_A_TEST (0)
3138# define DEBUG_q_TEST (0)
aea4f609 3139
488b0c7a
JH		 3140# define PERL_DEB(a)
3141# define PERL_DEBUG(a)
aea4f609
DM		 3142# define DEBUG_p(a)
3143# define DEBUG_s(a)
3144# define DEBUG_l(a)
3145# define DEBUG_t(a)
3146# define DEBUG_o(a)
3147# define DEBUG_c(a)
3148# define DEBUG_P(a)
3149# define DEBUG_m(a)
3150# define DEBUG_f(a)
3151# define DEBUG_r(a)
3152# define DEBUG_x(a)
3153# define DEBUG_u(a)
aea4f609
DM		 3154# define DEBUG_H(a)
3155# define DEBUG_X(a)
dd2155a4 3156# define DEBUG_Xv(a)
aea4f609
DM		 3157# define DEBUG_D(a)
3158# define DEBUG_S(a)
3159# define DEBUG_T(a)
04932ac8 3160# define DEBUG_R(a)
d6721266 3161# define DEBUG_v(a)
46187eeb 3162# define DEBUG_C(a)
ecae49c0
NC		 3163# define DEBUG_A(a)
3164# define DEBUG_q(a)
aea4f609
DM		 3165#endif /* DEBUGGING */
3166
3167
b4ab917c
DM		 3168#define DEBUG_SCOPE(where) \
3169 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3170 where, PL_scopestack_ix, __FILE__, __LINE__)));
3171
3172
3173
3174
d1be9408 3175/* These constants should be used in preference to raw characters
14befaf4
DM		 3176 * when using magic. Note that some perl guts still assume
3177 * certain character properties of these constants, namely that
3178 * isUPPER() and toLOWER() may do useful mappings.
3179 *
3180 * Update the magic_names table in dump.c when adding/amending these
3181 */
3182
3183#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3184#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3185#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3186#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3187#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3188#define PERL_MAGIC_regdata 'D' /* Regex match position data
3189 (@+ and @- vars) */
3190#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3191#define PERL_MAGIC_env 'E' /* %ENV hash */
3192#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3193#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3194#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3195#define PERL_MAGIC_isa 'I' /* @ISA array */
3196#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3197#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3198#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3199#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3200#define PERL_MAGIC_mutex 'm' /* for lock op */
3201#define PERL_MAGIC_shared 'N' /* Shared between threads */
3202#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3203#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3204#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3205#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3206#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3207#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3208#define PERL_MAGIC_sig 'S' /* %SIG hash */
3209#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3210#define PERL_MAGIC_taint 't' /* Taintedness */
3211#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3212#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3213#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3214#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3215#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3216#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3217#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3218 smart parameter vivification */
3219#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3220#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3221#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3222#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3223#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3224#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3225#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3226#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3227
3228
a6e633de 3229#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3230#define assert(what) PERL_DEB( \
3231 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3232 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3233 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3234 PerlProc_exit(1), \
3235 (void) 0)))
a446a88f 3236#endif
8d063cd8 3237
450a55e4 3238struct ufuncs {
24f81a43
DM		 3239 I32 (*uf_val)(pTHX_ IV, SV*);
3240 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3241 IV uf_index;
450a55e4
LW		 3242};
3243
14befaf4 3244/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3245 * XS code wanting to be backward compatible can do something
3246 * like the following:
c745e42c 3247
24f81a43 3248#ifndef PERL_MG_UFUNC
24f81a43
DM		 3249#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3250#endif
3251
3252static PERL_MG_UFUNC(foo_get, index, val)
3253{
3254 sv_setsv(val, ...);
3255 return TRUE;
3256}
3257
3258-- Doug MacEachern
3259
3260*/
3261
fc9c74e6 3262#ifndef PERL_MG_UFUNC
24f81a43 3263#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3264#endif
24f81a43 3265
fe14fcc3 3266/* Fix these up for __STDC__ */
68dc0745 3267#ifndef DONT_DECLARE_STD
20ce7b12 3268char *mktemp (char*);
37bd1396 3269#ifndef atof
20ce7b12 3270double atof (const char*);
a0d0e21e 3271#endif
37bd1396 3272#endif
79072805 3273
352d5a3a 3274#ifndef STANDARD_C
fe14fcc3 3275/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3276Time_t time();
8d063cd8 3277struct tm *gmtime(), *localtime();
092bebab 3278#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3279char *(strchr)(), *(strrchr)();
3280char *(strcpy)(), *(strcat)();
3281#else
93a17b20 3282char *strchr(), *strrchr();
378cc40b 3283char *strcpy(), *strcat();
9d116dd7 3284#endif
352d5a3a 3285#endif /* ! STANDARD_C */
8d063cd8 3286
79072805
LW		 3287
3288#ifdef I_MATH
3289# include <math.h>
3290#else
32f822de 3291START_EXTERN_C
20ce7b12
GS		 3292 double exp (double);
3293 double log (double);
3294 double log10 (double);
3295 double sqrt (double);
3296 double frexp (double,int*);
3297 double ldexp (double,int);
3298 double modf (double,double*);
3299 double sin (double);
3300 double cos (double);
3301 double atan2 (double,double);
3302 double pow (double,double);
32f822de 3303END_EXTERN_C
79072805
LW		 3304#endif
3305
aa8b85de
JH		 3306#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3307# define NV_INF LDBL_INFINITY
3308#endif
3309#if !defined(NV_INF) && defined(DBL_INFINITY)
3310# define NV_INF (NV)DBL_INFINITY
3311#endif
3312#if !defined(NV_INF) && defined(INFINITY)
3313# define NV_INF (NV)INFINITY
3314#endif
3315#if !defined(NV_INF) && defined(INF)
3316# define NV_INF (NV)INF
3317#endif
3318#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3319# define NV_INF (NV)HUGE_VALL
3320#endif
3321#if !defined(NV_INF) && defined(HUGE_VAL)
3322# define NV_INF (NV)HUGE_VAL
3323#endif
3324
3325#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3326# if !defined(NV_NAN) && defined(LDBL_NAN)
3327# define NV_NAN LDBL_NAN
3328# endif
3329# if !defined(NV_NAN) && defined(LDBL_QNAN)
3330# define NV_NAN LDBL_QNAN
3331# endif
3332# if !defined(NV_NAN) && defined(LDBL_SNAN)
3333# define NV_NAN LDBL_SNAN
3334# endif
3335#endif
3336#if !defined(NV_NAN) && defined(DBL_NAN)
3337# define NV_NAN (NV)DBL_NAN
3338#endif
3339#if !defined(NV_NAN) && defined(DBL_QNAN)
3340# define NV_NAN (NV)DBL_QNAN
3341#endif
3342#if !defined(NV_NAN) && defined(DBL_SNAN)
3343# define NV_NAN (NV)DBL_SNAN
3344#endif
3345#if !defined(NV_NAN) && defined(QNAN)
3346# define NV_NAN (NV)QNAN
3347#endif
3348#if !defined(NV_NAN) && defined(SNAN)
3349# define NV_NAN (NV)SNAN
3350#endif
3351#if !defined(NV_NAN) && defined(NAN)
3352# define NV_NAN (NV)NAN
3353#endif
3354
a0d0e21e 3355#ifndef __cplusplus
8f1f23e8 3356# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3357char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3358# else
fd8cd3a3 3359# if !defined(WIN32) && !defined(VMS)
10bc17b6 3360#ifndef crypt
20ce7b12 3361char *crypt (const char*, const char*);
10bc17b6 3362#endif
5014db98 3363# endif /* !WIN32 */
8f1f23e8 3364# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3365# ifndef DONT_DECLARE_STD
3366# ifndef getenv
20ce7b12 3367char *getenv (const char*);
26618a56 3368# endif /* !getenv */
28ca6303 3369# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3370# ifdef _FILE_OFFSET_BITS
28ca6303 3371# if _FILE_OFFSET_BITS == 64
20ce7b12 3372Off_t lseek (int,Off_t,int);
0fc67700
JH		 3373# endif
3374# endif
bf0c440f 3375# endif
26618a56 3376# endif /* !DONT_DECLARE_STD */
10bc17b6 3377#ifndef getlogin
20ce7b12 3378char *getlogin (void);
10bc17b6 3379#endif
26618a56 3380#endif /* !__cplusplus */
79072805 3381
16d20bd9 3382#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3383#define UNLINK unlnk
20ce7b12 3384I32 unlnk (char*);
8d063cd8 3385#else
80252599 3386#define UNLINK PerlLIO_unlink
8d063cd8 3387#endif
a687059c 3388
fa0a29af
JH		 3389/* some versions of glibc are missing the setresuid() proto */
3390#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3391int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3392#endif
fa0a29af
JH		 3393/* some versions of glibc are missing the setresgid() proto */
3394#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3395int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3396#endif
3397
fe14fcc3 3398#ifndef HAS_SETREUID
85e6fe83
LW		 3399# ifdef HAS_SETRESUID
3400# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3401# define HAS_SETREUID
3402# endif
a687059c 3403#endif
fe14fcc3 3404#ifndef HAS_SETREGID
85e6fe83
LW		 3405# ifdef HAS_SETRESGID
3406# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3407# define HAS_SETREGID
3408# endif
a687059c 3409#endif
ee0007ab 3410
d543acb6 3411/* Sighandler_t defined in iperlsys.h */
ff68c719 3412
3413#ifdef HAS_SIGACTION
3414typedef struct sigaction Sigsave_t;
3415#else
3416typedef Sighandler_t Sigsave_t;
3417#endif
3418
ee0007ab
LW		 3419#define SCAN_DEF 0
3420#define SCAN_TR 1
3421#define SCAN_REPL 2
79072805
LW		 3422
3423#ifdef DEBUGGING
4633a7c4 3424# ifndef register
a0d0e21e
LW		 3425# define register
3426# endif
cea2e8a9 3427# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3428#else
cea2e8a9 3429# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3430#endif
3431
18f739ee 3432#ifdef MYMALLOC
772fe5b3 3433# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3434# define MALLOC_INIT \
3435 STMT_START { \
3436 PL_malloc_mutex = NULL; \
3437 MUTEX_INIT(&PL_malloc_mutex); \
3438 } STMT_END
3439# define MALLOC_TERM \
3440 STMT_START { \
3441 perl_mutex tmp = PL_malloc_mutex; \
3442 PL_malloc_mutex = NULL; \
3443 MUTEX_DESTROY(&tmp); \
3444 } STMT_END
3445# else
3446# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3447# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3448# endif
18f739ee
IZ		 3449#else
3450# define MALLOC_INIT
3451# define MALLOC_TERM
3452#endif
3453
b6d9d515 3454
0cb96387 3455typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3456typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3457typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3458typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3459
940cb80d 3460/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3461#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3462
8f1f23e8
W		 3463/* NeXT has problems with crt0.o globals */
3464#if defined(__DYNAMIC__) && \
6239f2da 3465 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3466# if defined(NeXT) || defined(__NeXT)
3467# include <mach-o/dyld.h>
3468# define environ (*environ_pointer)
0c30d9ec 3469EXT char *** environ_pointer;
8f1f23e8 3470# else
6239f2da 3471# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3472# include <crt_externs.h> /* for the env array */
3473# define environ (*_NSGetEnviron())
3474# endif
0c30d9ec 3475# endif
8f1f23e8
W		 3476#else
3477 /* VMS and some other platforms don't use the environ array */
13b6e58c 3478# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3479# if !defined(DONT_DECLARE_STD) || \
3480 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3481 defined(__sgi) || \
d460ef45 3482 defined(__DGUX)
8f1f23e8 3483extern char ** environ; /* environment variables supplied via exec */
a6c40364 3484# endif
8f1f23e8
W		 3485# endif
3486#endif
79072805 3487
73c4f7a1
GS		 3488START_EXTERN_C
3489
79072805 3490/* handy constants */
22c35a8c 3491EXTCONST char PL_warn_uninit[]
29489e7c 3492 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3493EXTCONST char PL_warn_nosemi[]
463ee0b2 3494 INIT("Semicolon seems to be missing");
22c35a8c 3495EXTCONST char PL_warn_reserved[]
463ee0b2 3496 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3497EXTCONST char PL_warn_nl[]
93a17b20 3498 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3499EXTCONST char PL_no_wrongref[]
a0d0e21e 3500 INIT("Can't use %s ref as %s ref");
22c35a8c 3501EXTCONST char PL_no_symref[]
748a9306 3502 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3503EXTCONST char PL_no_symref_sv[]
014ead4b 3504 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3505EXTCONST char PL_no_usym[]
8990e307 3506 INIT("Can't use an undefined value as %s reference");
22c35a8c 3507EXTCONST char PL_no_aelem[]
93a17b20 3508 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3509EXTCONST char PL_no_helem_sv[]
3510 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3511EXTCONST char PL_no_modify[]
93a17b20 3512 INIT("Modification of a read-only value attempted");
22c35a8c 3513EXTCONST char PL_no_mem[]
93a17b20 3514 INIT("Out of memory!\n");
22c35a8c 3515EXTCONST char PL_no_security[]
463ee0b2 3516 INIT("Insecure dependency in %s%s");
22c35a8c 3517EXTCONST char PL_no_sock_func[]
93a17b20 3518 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3519EXTCONST char PL_no_dir_func[]
93a17b20 3520 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3521EXTCONST char PL_no_func[]
93a17b20 3522 INIT("The %s function is unimplemented");
22c35a8c 3523EXTCONST char PL_no_myglob[]
748a9306 3524 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3525EXTCONST char PL_no_localize_ref[]
3526 INIT("Can't localize through a reference");
27d5b266
JH		 3527#ifdef PERL_MALLOC_WRAP
3528EXTCONST char PL_memory_wrap[]
3529 INIT("panic: memory wrap");
3530#endif
93a17b20 3531
7575fa06 3532EXTCONST char PL_uuemap[65]
80252599
GS		 3533 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3534
3535
79072805 3536#ifdef DOINIT
27da23d5
JH		 3537EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3538EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3539#else
27da23d5
JH		 3540EXTCONST char* const PL_sig_name[];
3541EXTCONST int PL_sig_num[];
79072805
LW		 3542#endif
3543
3bd709b1 3544/* fast conversion and case folding tables */
bbce6d69 3545
79072805 3546#ifdef DOINIT
9d116dd7 3547#ifdef EBCDIC
27da23d5 3548EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3549 0, 1, 2, 3, 4, 5, 6, 7,
3550 8, 9, 10, 11, 12, 13, 14, 15,
3551 16, 17, 18, 19, 20, 21, 22, 23,
3552 24, 25, 26, 27, 28, 29, 30, 31,
3553 32, 33, 34, 35, 36, 37, 38, 39,
3554 40, 41, 42, 43, 44, 45, 46, 47,
3555 48, 49, 50, 51, 52, 53, 54, 55,
3556 56, 57, 58, 59, 60, 61, 62, 63,
3557 64, 65, 66, 67, 68, 69, 70, 71,
3558 72, 73, 74, 75, 76, 77, 78, 79,
3559 80, 81, 82, 83, 84, 85, 86, 87,
3560 88, 89, 90, 91, 92, 93, 94, 95,
3561 96, 97, 98, 99, 100, 101, 102, 103,
3562 104, 105, 106, 107, 108, 109, 110, 111,
3563 112, 113, 114, 115, 116, 117, 118, 119,
3564 120, 121, 122, 123, 124, 125, 126, 127,
3565 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3566 'H', 'I', 138, 139, 140, 141, 142, 143,
3567 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3568 'Q', 'R', 154, 155, 156, 157, 158, 159,
3569 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3570 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3571 176, 177, 178, 179, 180, 181, 182, 183,
3572 184, 185, 186, 187, 188, 189, 190, 191,
3573 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3574 'h', 'i', 202, 203, 204, 205, 206, 207,
3575 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3576 'q', 'r', 218, 219, 220, 221, 222, 223,
3577 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3578 'y', 'z', 234, 235, 236, 237, 238, 239,
3579 240, 241, 242, 243, 244, 245, 246, 247,
3580 248, 249, 250, 251, 252, 253, 254, 255
3581};
3582#else /* ascii rather than ebcdic */
22c35a8c 3583EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3584 0, 1, 2, 3, 4, 5, 6, 7,
3585 8, 9, 10, 11, 12, 13, 14, 15,
3586 16, 17, 18, 19, 20, 21, 22, 23,
3587 24, 25, 26, 27, 28, 29, 30, 31,
3588 32, 33, 34, 35, 36, 37, 38, 39,
3589 40, 41, 42, 43, 44, 45, 46, 47,
3590 48, 49, 50, 51, 52, 53, 54, 55,
3591 56, 57, 58, 59, 60, 61, 62, 63,
3592 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3593 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3594 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3595 'x', 'y', 'z', 91, 92, 93, 94, 95,
3596 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3597 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3598 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3599 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3600 128, 129, 130, 131, 132, 133, 134, 135,
3601 136, 137, 138, 139, 140, 141, 142, 143,
3602 144, 145, 146, 147, 148, 149, 150, 151,
3603 152, 153, 154, 155, 156, 157, 158, 159,
3604 160, 161, 162, 163, 164, 165, 166, 167,
3605 168, 169, 170, 171, 172, 173, 174, 175,
3606 176, 177, 178, 179, 180, 181, 182, 183,
3607 184, 185, 186, 187, 188, 189, 190, 191,
3608 192, 193, 194, 195, 196, 197, 198, 199,
3609 200, 201, 202, 203, 204, 205, 206, 207,
3610 208, 209, 210, 211, 212, 213, 214, 215,
3611 216, 217, 218, 219, 220, 221, 222, 223,
3612 224, 225, 226, 227, 228, 229, 230, 231,
3613 232, 233, 234, 235, 236, 237, 238, 239,
3614 240, 241, 242, 243, 244, 245, 246, 247,
3615 248, 249, 250, 251, 252, 253, 254, 255
3616};
9d116dd7 3617#endif /* !EBCDIC */
79072805 3618#else
22c35a8c 3619EXTCONST unsigned char PL_fold[];
79072805
LW		 3620#endif
3621
27da23d5 3622#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3623#ifdef DOINIT
27da23d5 3624EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3625 0, 1, 2, 3, 4, 5, 6, 7,
3626 8, 9, 10, 11, 12, 13, 14, 15,
3627 16, 17, 18, 19, 20, 21, 22, 23,
3628 24, 25, 26, 27, 28, 29, 30, 31,
3629 32, 33, 34, 35, 36, 37, 38, 39,
3630 40, 41, 42, 43, 44, 45, 46, 47,
3631 48, 49, 50, 51, 52, 53, 54, 55,
3632 56, 57, 58, 59, 60, 61, 62, 63,
3633 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3634 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3635 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3636 'x', 'y', 'z', 91, 92, 93, 94, 95,
3637 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3638 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3639 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3640 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3641 128, 129, 130, 131, 132, 133, 134, 135,
3642 136, 137, 138, 139, 140, 141, 142, 143,
3643 144, 145, 146, 147, 148, 149, 150, 151,
3644 152, 153, 154, 155, 156, 157, 158, 159,
3645 160, 161, 162, 163, 164, 165, 166, 167,
3646 168, 169, 170, 171, 172, 173, 174, 175,
3647 176, 177, 178, 179, 180, 181, 182, 183,
3648 184, 185, 186, 187, 188, 189, 190, 191,
3649 192, 193, 194, 195, 196, 197, 198, 199,
3650 200, 201, 202, 203, 204, 205, 206, 207,
3651 208, 209, 210, 211, 212, 213, 214, 215,
3652 216, 217, 218, 219, 220, 221, 222, 223,
3653 224, 225, 226, 227, 228, 229, 230, 231,
3654 232, 233, 234, 235, 236, 237, 238, 239,
3655 240, 241, 242, 243, 244, 245, 246, 247,
3656 248, 249, 250, 251, 252, 253, 254, 255
3657};
3658#else
27da23d5 3659EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3660#endif
27da23d5 3661#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3662
3663#ifdef DOINIT
9d116dd7 3664#ifdef EBCDIC
27da23d5 3665EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3666 1, 2, 84, 151, 154, 155, 156, 157,
3667 165, 246, 250, 3, 158, 7, 18, 29,
3668 40, 51, 62, 73, 85, 96, 107, 118,
3669 129, 140, 147, 148, 149, 150, 152, 153,
3670 255, 6, 8, 9, 10, 11, 12, 13,
3671 14, 15, 24, 25, 26, 27, 28, 226,
3672 29, 30, 31, 32, 33, 43, 44, 45,
3673 46, 47, 48, 49, 50, 76, 77, 78,
3674 79, 80, 81, 82, 83, 84, 85, 86,
3675 87, 94, 95, 234, 181, 233, 187, 190,
3676 180, 96, 97, 98, 99, 100, 101, 102,
3677 104, 112, 182, 174, 236, 232, 229, 103,
3678 228, 226, 114, 115, 116, 117, 118, 119,
3679 120, 121, 122, 235, 176, 230, 194, 162,
3680 130, 131, 132, 133, 134, 135, 136, 137,
3681 138, 139, 201, 205, 163, 217, 220, 224,
3682 5, 248, 227, 244, 242, 255, 241, 231,
3683 240, 253, 16, 197, 19, 20, 21, 187,
3684 23, 169, 210, 245, 237, 249, 247, 239,
3685 168, 252, 34, 196, 36, 37, 38, 39,
3686 41, 42, 251, 254, 238, 223, 221, 213,
3687 225, 177, 52, 53, 54, 55, 56, 57,
3688 58, 59, 60, 61, 63, 64, 65, 66,
3689 67, 68, 69, 70, 71, 72, 74, 75,
3690 205, 208, 186, 202, 200, 218, 198, 179,
3691 178, 214, 88, 89, 90, 91, 92, 93,
3692 217, 166, 170, 207, 199, 209, 206, 204,
3693 160, 212, 105, 106, 108, 109, 110, 111,
3694 203, 113, 216, 215, 192, 175, 193, 243,
3695 172, 161, 123, 124, 125, 126, 127, 128,
3696 222, 219, 211, 195, 188, 193, 185, 184,
3697 191, 183, 141, 142, 143, 144, 145, 146
3698};
3699#else /* ascii rather than ebcdic */
22c35a8c 3700EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3701 1, 2, 84, 151, 154, 155, 156, 157,
3702 165, 246, 250, 3, 158, 7, 18, 29,
3703 40, 51, 62, 73, 85, 96, 107, 118,
3704 129, 140, 147, 148, 149, 150, 152, 153,
3705 255, 182, 224, 205, 174, 176, 180, 217,
3706 233, 232, 236, 187, 235, 228, 234, 226,
3707 222, 219, 211, 195, 188, 193, 185, 184,
3708 191, 183, 201, 229, 181, 220, 194, 162,
3709 163, 208, 186, 202, 200, 218, 198, 179,
3710 178, 214, 166, 170, 207, 199, 209, 206,
3711 204, 160, 212, 216, 215, 192, 175, 173,
3712 243, 172, 161, 190, 203, 189, 164, 230,
3713 167, 248, 227, 244, 242, 255, 241, 231,
3714 240, 253, 169, 210, 245, 237, 249, 247,
3715 239, 168, 252, 251, 254, 238, 223, 221,
3716 213, 225, 177, 197, 171, 196, 159, 4,
3717 5, 6, 8, 9, 10, 11, 12, 13,
3718 14, 15, 16, 17, 19, 20, 21, 22,
3719 23, 24, 25, 26, 27, 28, 30, 31,
3720 32, 33, 34, 35, 36, 37, 38, 39,
3721 41, 42, 43, 44, 45, 46, 47, 48,
3722 49, 50, 52, 53, 54, 55, 56, 57,
3723 58, 59, 60, 61, 63, 64, 65, 66,
3724 67, 68, 69, 70, 71, 72, 74, 75,
3725 76, 77, 78, 79, 80, 81, 82, 83,
3726 86, 87, 88, 89, 90, 91, 92, 93,
3727 94, 95, 97, 98, 99, 100, 101, 102,
3728 103, 104, 105, 106, 108, 109, 110, 111,
3729 112, 113, 114, 115, 116, 117, 119, 120,
3730 121, 122, 123, 124, 125, 126, 127, 128,
3731 130, 131, 132, 133, 134, 135, 136, 137,
3732 138, 139, 141, 142, 143, 144, 145, 146
3733};
9d116dd7 3734#endif
79072805 3735#else
22c35a8c 3736EXTCONST unsigned char PL_freq[];
79072805
LW		 3737#endif
3738
8990e307
LW		 3739#ifdef DEBUGGING
3740#ifdef DOINIT
27da23d5 3741EXTCONST char* const PL_block_type[] = {
8990e307
LW		 3742 "NULL",
3743 "SUB",
3744 "EVAL",
3745 "LOOP",
3746 "SUBST",
3747 "BLOCK",
3748};
3749#else
22c35a8c 3750EXTCONST char* PL_block_type[];
8990e307
LW		 3751#endif
3752#endif
3753
73c4f7a1
GS		 3754END_EXTERN_C
3755
79072805
LW		 3756/*****************************************************************************/
3757/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3758/*****************************************************************************/
8990e307 3759/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3760
d4c3c482 3761#ifdef __Lynx__
9cffb111
OS		 3762/* LynxOS defines these in scsi.h which is included via ioctl.h */
3763#ifdef FORMAT
3764#undef FORMAT
3765#endif
3766#ifdef SPACE
3767#undef SPACE
3768#endif
d4c3c482 3769#endif
9cffb111 3770
1fd33325
MHM		 3771/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3772 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3773 * it's not really needed.
3774 */
3775#if defined(WIN32)
3776# define YYTOKENTYPE
3777#endif
a0d0e21e
LW		 3778#include "perly.h"
3779
fb73857a 3780#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3781
79072805
LW		 3782typedef enum {
3783 XOPERATOR,
3784 XTERM,
79072805 3785 XREF,
8990e307 3786 XSTATE,
a0d0e21e 3787 XBLOCK,
09bef843
SB		 3788 XATTRBLOCK,
3789 XATTRTERM,
6f33ba73
RGS		 3790 XTERMBLOCK,
3791 XTERMORDORDOR /* evil hack */
27308ded 3792 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3793} expectation;
3794
dc9e4912
GS		 3795enum { /* pass one of these to get_vtbl */
3796 want_vtbl_sv,
3797 want_vtbl_env,
3798 want_vtbl_envelem,
3799 want_vtbl_sig,
3800 want_vtbl_sigelem,
3801 want_vtbl_pack,
3802 want_vtbl_packelem,
3803 want_vtbl_dbline,
3804 want_vtbl_isa,
3805 want_vtbl_isaelem,
3806 want_vtbl_arylen,
3807 want_vtbl_glob,
3808 want_vtbl_mglob,
3809 want_vtbl_nkeys,
3810 want_vtbl_taint,
3811 want_vtbl_substr,
3812 want_vtbl_vec,
3813 want_vtbl_pos,
3814 want_vtbl_bm,
3815 want_vtbl_fm,
3816 want_vtbl_uvar,
3817 want_vtbl_defelem,
3818 want_vtbl_regexp,
3819 want_vtbl_collxfrm,
3820 want_vtbl_amagic,
3821 want_vtbl_amagicelem,
dc9e4912 3822 want_vtbl_regdata,
810b8aa5 3823 want_vtbl_regdatum,
7e8c5dac 3824 want_vtbl_backref,
8d2f4536 3825 want_vtbl_utf8,
83bf042f
NC		 3826 want_vtbl_symtab,
3827 want_vtbl_arylen_p
dc9e4912
GS		 3828};
3829
85e6fe83
LW		 3830 /* Note: the lowest 8 bits are reserved for
3831 stuffing into op->op_private */
f3aa04c2 3832#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3833#define HINT_INTEGER 0x00000001 /* integer pragma */
3834#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3835#define HINT_LOCALE 0x00000004 /* locale pragma */
3836#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3837/* #define HINT_notused10 0x00000010 */
a0ed51b3 3838 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3839 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3840
3841#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3842#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3843#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3844
9cfe5470 3845/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3846#define HINT_NEW_INTEGER 0x00001000
3847#define HINT_NEW_FLOAT 0x00002000
3848#define HINT_NEW_BINARY 0x00004000
3849#define HINT_NEW_STRING 0x00008000
3850#define HINT_NEW_RE 0x00010000
3851#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3852
9cfe5470
RGS		 3853#define HINT_RE_TAINT 0x00100000 /* re pragma */
3854#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3855
9cfe5470
RGS		 3856#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3857#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3858
8fa7688f 3859/* assertions pragma */
06492da6 3860#define HINT_ASSERTING 0x01000000
8fa7688f 3861#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3862
9cfe5470 3863/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3864#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3865#define HINT_SORT_QUICKSORT 0x00000001
3866#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3867#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3868
8bfdd7d9 3869/* Various states of the input record separator SV (rs) */
d4cce5f1 3870#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3871#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3872#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3873#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3874
128e8167 3875/* A struct for keeping various DEBUGGING related stuff,
ce333219 3876 * neatly packed. Currently only scratch variables for
128e8167
JH		 3877 * constructing debug output are included. Needed always,
3878 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3879struct perl_debug_pad {
3880 SV pad[3];
3881};
3882
3883#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
a5c57919
RGS		 3884#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
3885 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
3886 PERL_DEBUG_PAD(i))
ce333219 3887
56953603 3888/* Enable variables which are pointers to functions */
a2efc822 3889typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3890typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3891typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3892 char* strend, char* strbeg, I32 minend,
3893 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3894typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3895 char *strpos, char *strend,
3896 U32 flags,
3897 struct re_scream_pos_data_s *d);
3898typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3899typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3900
c76ac1ee 3901typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3902typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3903typedef void (*SVFUNC_t) (pTHX_ SV*);
3904typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3905typedef void (*XSINIT_t) (pTHX);
3906typedef void (*ATEXIT_t) (pTHX_ void*);
3907typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3908
22239a37
NIS		 3909/* Set up PERLVAR macros for populating structs */
3910#define PERLVAR(var,type) type var;
51371543 3911#define PERLVARA(var,n,type) type var[n];
22239a37 3912#define PERLVARI(var,type,init) type var;
3fe35a81 3913#define PERLVARIC(var,type,init) type var;
27da23d5
JH		 3914#define PERLVARISC(var,init) const char var[sizeof(init)];
3915
3916typedef OP* (CPERLscope(*Perl_ppaddr_t))(pTHX);
3917typedef OP* (CPERLscope(*Perl_check_t)) (pTHX_ OP*);
22239a37 3918
58a50f62
GS		 3919/* Interpreter exitlist entry */
3920typedef struct exitlistentry {
acfe0abc 3921 void (*fn) (pTHX_ void*);
58a50f62
GS		 3922 void *ptr;
3923} PerlExitListEntry;
3924
aadb217d
JH		 3925/* if you only have signal() and it resets on each signal, FAKE_PERSISTENT_SIGNAL_HANDLERS fixes */
3926/* These have to be before perlvars.h */
3927#if !defined(HAS_SIGACTION) && defined(VMS)
3928# define FAKE_PERSISTENT_SIGNAL_HANDLERS
3929#endif
3930/* if we're doing kill() with sys$sigprc on VMS, FAKE_DEFAULT_SIGNAL_HANDLERS */
3931#if defined(KILL_BY_SIGPRC)
3932# define FAKE_DEFAULT_SIGNAL_HANDLERS
3933#endif
3934
22239a37
NIS		 3935#ifdef PERL_GLOBAL_STRUCT
3936struct perl_vars {
7766f137 3937# include "perlvars.h"
22239a37
NIS		 3938};
3939
7766f137 3940# ifdef PERL_CORE
27da23d5 3941# ifndef PERL_GLOBAL_STRUCT_PRIVATE
533c011a
NIS		 3942EXT struct perl_vars PL_Vars;
3943EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
27da23d5
JH		 3944# undef PERL_GET_VARS
3945# define PERL_GET_VARS() PL_VarsPtr
3946# endif /* !PERL_GLOBAL_STRUCT_PRIVATE */
7766f137
GS		 3947# else /* PERL_CORE */
3948# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3949EXT
7766f137 3950# endif /* WIN32 */
533c011a 3951struct perl_vars *PL_VarsPtr;
7766f137
GS		 3952# define PL_Vars (*((PL_VarsPtr) \
3953 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3954# endif /* PERL_CORE */
22239a37
NIS		 3955#endif /* PERL_GLOBAL_STRUCT */
3956
acfe0abc 3957#if defined(MULTIPLICITY)
d460ef45 3958/* If we have multiple interpreters define a struct
d4cce5f1 3959 holding variables which must be per-interpreter
d460ef45 3960 If we don't have threads anything that would have
d4cce5f1
NIS		 3961 be per-thread is per-interpreter.
3962*/
3963
79072805 3964struct interpreter {
3db8f154 3965# include "thrdvar.h"
7766f137
GS		 3966# include "intrpvar.h"
3967/*
3968 * The following is a buffer where new variables must
acfe0abc 3969 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3970 */
3971PERLVARA(object_compatibility,30, char)
49f531da 3972};
d4cce5f1 3973
79072805 3974#else
49f531da
NIS		 3975struct interpreter {
3976 char broiled;
3977};
acfe0abc 3978#endif /* MULTIPLICITY */
79072805 3979
22fae026 3980typedef void *Thread;
22239a37
NIS		 3981
3982/* Done with PERLVAR macros for now ... */
d4cce5f1 3983#undef PERLVAR
51371543 3984#undef PERLVARA
d4cce5f1 3985#undef PERLVARI
3fe35a81 3986#undef PERLVARIC
27da23d5 3987#undef PERLVARISC
79072805 3988
f7fe979e 3989struct tempsym; /* defined in pp_pack.c */
49704364 3990
22239a37 3991#include "thread.h"
79072805 3992#include "pp.h"
864dbfa3
GS		 3993
3994#ifndef PERL_CALLCONV
3995# define PERL_CALLCONV
d460ef45 3996#endif
0cb96387
GS		 3997#undef PERL_CKDEF
3998#undef PERL_PPDEF
0159f81b
JH		 3999#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
4000#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
0cb96387 4001
7766f137 4002#include "proto.h"
864dbfa3 4003
0cb96387 4004/* this has structure inits, so it cannot be included before here */
acfe0abc 4005#include "opcode.h"
864dbfa3 4006
d4cce5f1
NIS		 4007/* The following must follow proto.h as #defines mess up syntax */
4008
22c35a8c
GS		 4009#if !defined(PERL_FOR_X2P)
4010# include "embedvar.h"
4011#endif
d4cce5f1 4012
d460ef45 4013/* Now include all the 'global' variables
d4cce5f1 4014 * If we don't have threads or multiple interpreters
d460ef45 4015 * these include variables that would have been their struct-s
d4cce5f1 4016 */
d460ef45 4017
533c011a 4018#define PERLVAR(var,type) EXT type PL_##var;
51371543 4019#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 4020#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
4021#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
27da23d5 4022#define PERLVARISC(var,init) EXTCONST char PL_##var[sizeof(init)] INIT(init);
d4cce5f1 4023
acfe0abc 4024#if !defined(MULTIPLICITY)
7766f137 4025START_EXTERN_C
066ef5b5 4026# include "intrpvar.h"
3db8f154 4027# include "thrdvar.h"
7766f137 4028END_EXTERN_C
22239a37
NIS		 4029#endif
4030
acfe0abc 4031#if defined(WIN32)
66a93824 4032/* Now all the config stuff is setup we can include embed.h */
22c35a8c 4033# include "embed.h"
acfe0abc 4034#endif
22239a37 4035
c5be433b
GS		 4036#ifndef PERL_GLOBAL_STRUCT
4037START_EXTERN_C
4038
4039# include "perlvars.h"
4040
4041END_EXTERN_C
4042#endif
4043
d4cce5f1 4044#undef PERLVAR
51371543 4045#undef PERLVARA
d4cce5f1 4046#undef PERLVARI
0f3f18a6 4047#undef PERLVARIC
79072805 4048
73c4f7a1
GS		 4049START_EXTERN_C
4050
79072805 4051#ifdef DOINIT
27da23d5 4052# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var = {a,b,c,d,e,f,g}
2e2109e1 4053# 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 4054#else
27da23d5 4055# define MGVTBL_SET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
2e2109e1 4056# define MGVTBL_SET_CONST_MAGIC_GET(var,a,b,c,d,e,f,g) EXTCONST MGVTBL var
4944113a
AL		 4057#endif
4058
4059MGVTBL_SET(
4060 PL_vtbl_sv,
4061 MEMBER_TO_FPTR(Perl_magic_get),
4062 MEMBER_TO_FPTR(Perl_magic_set),
4063 MEMBER_TO_FPTR(Perl_magic_len),
4064 NULL,
4065 NULL,
4066 NULL,
4067 NULL
4068);
4069
4070MGVTBL_SET(
4071 PL_vtbl_env,
4072 NULL,
4073 MEMBER_TO_FPTR(Perl_magic_set_all_env),
4074 NULL,
4075 MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4076 NULL,
4077 NULL,
4078 NULL
4079);
4080
4081MGVTBL_SET(
4082 PL_vtbl_envelem,
4083 NULL,
4084 MEMBER_TO_FPTR(Perl_magic_setenv),
4085 NULL,
4086 MEMBER_TO_FPTR(Perl_magic_clearenv),
4087 NULL,
4088 NULL,
4089 NULL
4090);
4091
4092MGVTBL_SET(
4093 PL_vtbl_sig,
4094 NULL,
4095 NULL,
4096 NULL,
4097 NULL,
4098 NULL,
4099 NULL,
4100 NULL
4101);
4102
9ba75e3c 4103#ifdef PERL_MICRO
4944113a
AL		 4104MGVTBL_SET(
4105 PL_vtbl_sigelem,
4944113a 4106 NULL, NULL, NULL, NULL, NULL, NULL, NULL
9ba75e3c
DD		 4107);
4108
64ca3a65 4109#else
9ba75e3c
DD		 4110MGVTBL_SET(
4111 PL_vtbl_sigelem,
4944113a
AL		 4112 MEMBER_TO_FPTR(Perl_magic_getsig),
4113 MEMBER_TO_FPTR(Perl_magic_setsig),
4114 NULL,
4115 MEMBER_TO_FPTR(Perl_magic_clearsig),
4116 NULL,
4117 NULL,
4118 NULL
4944113a 4119);
9ba75e3c 4120#endif
4944113a
AL		 4121
4122MGVTBL_SET(
4123 PL_vtbl_pack,
4124 NULL,
4125 NULL,
4126 MEMBER_TO_FPTR(Perl_magic_sizepack),
4127 MEMBER_TO_FPTR(Perl_magic_wipepack),
4128 NULL,
4129 NULL,
4130 NULL
4131);
4132
4133MGVTBL_SET(
4134 PL_vtbl_packelem,
4135 MEMBER_TO_FPTR(Perl_magic_getpack),
4136 MEMBER_TO_FPTR(Perl_magic_setpack),
4137 NULL,
4138 MEMBER_TO_FPTR(Perl_magic_clearpack),
4139 NULL,
4140 NULL,
4141 NULL
4142);
4143
4144MGVTBL_SET(
4145 PL_vtbl_dbline,
4146 NULL,
4147 MEMBER_TO_FPTR(Perl_magic_setdbline),
4148 NULL,
4149 NULL,
4150 NULL,
4151 NULL,
4152 NULL
4153);
4154
4155MGVTBL_SET(
4156 PL_vtbl_isa,
4157 NULL,
4158 MEMBER_TO_FPTR(Perl_magic_setisa),
4159 NULL,
4160 MEMBER_TO_FPTR(Perl_magic_setisa),
4161 NULL,
4162 NULL,
4163 NULL
4164);
4165
4166MGVTBL_SET(
4167 PL_vtbl_isaelem,
4168 NULL,
4169 MEMBER_TO_FPTR(Perl_magic_setisa),
4170 NULL,
4171 NULL,
4172 NULL,
4173 NULL,
4174 NULL
4175);
4176
2e2109e1 4177MGVTBL_SET_CONST_MAGIC_GET(
4944113a
AL		 4178 PL_vtbl_arylen,
4179 MEMBER_TO_FPTR(Perl_magic_getarylen),
4180 MEMBER_TO_FPTR(Perl_magic_setarylen),
4181 NULL,
4182 NULL,
4183 NULL,
4184 NULL,
4185 NULL
4186);
4187
4188MGVTBL_SET(
83bf042f
NC		 4189 PL_vtbl_arylen_p,
4190 NULL,
4191 NULL,
4192 NULL,
4193 NULL,
4194 MEMBER_TO_FPTR(Perl_magic_freearylen_p),
4195 NULL,
4196 NULL
4197);
4198
4199MGVTBL_SET(
4944113a
AL		 4200 PL_vtbl_glob,
4201 MEMBER_TO_FPTR(Perl_magic_getglob),
4202 MEMBER_TO_FPTR(Perl_magic_setglob),
4203 NULL,
4204 NULL,
4205 NULL,
4206 NULL,
4207 NULL
4208);
4209
4210MGVTBL_SET(
4211 PL_vtbl_mglob,
4212 NULL,
4213 MEMBER_TO_FPTR(Perl_magic_setmglob),
4214 NULL,
4215 NULL,
4216 NULL,
4217 NULL,
4218 NULL
4219);
4220
4221MGVTBL_SET(
4222 PL_vtbl_nkeys,
4223 MEMBER_TO_FPTR(Perl_magic_getnkeys),
4224 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4225 NULL,
4226 NULL,
4227 NULL,
4228 NULL,
4229 NULL
4230);
4231
4232MGVTBL_SET(
4233 PL_vtbl_taint,
4234 MEMBER_TO_FPTR(Perl_magic_gettaint),
4235 MEMBER_TO_FPTR(Perl_magic_settaint),
4236 NULL,
4237 NULL,
4238 NULL,
4239 NULL,
4240 NULL
4241);
4242
4243MGVTBL_SET(
4244 PL_vtbl_substr,
4245 MEMBER_TO_FPTR(Perl_magic_getsubstr),
4246 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4247 NULL,
4248 NULL,
4249 NULL,
4250 NULL,
4251 NULL
4252);
4253
4254MGVTBL_SET(
4255 PL_vtbl_vec,
4256 MEMBER_TO_FPTR(Perl_magic_getvec),
4257 MEMBER_TO_FPTR(Perl_magic_setvec),
4258 NULL,
4259 NULL,
4260 NULL,
4261 NULL,
4262 NULL
4263);
4264
4265MGVTBL_SET(
4266 PL_vtbl_pos,
4267 MEMBER_TO_FPTR(Perl_magic_getpos),
4268 MEMBER_TO_FPTR(Perl_magic_setpos),
4269 NULL,
4270 NULL,
4271 NULL,
4272 NULL,
4273 NULL
4274);
4275
4276MGVTBL_SET(
4277 PL_vtbl_bm,
4278 NULL,
4279 MEMBER_TO_FPTR(Perl_magic_setbm),
4280 NULL,
4281 NULL,
4282 NULL,
4283 NULL,
4284 NULL
4285);
4286
4287MGVTBL_SET(
4288 PL_vtbl_fm,
4289 NULL,
4290 MEMBER_TO_FPTR(Perl_magic_setfm),
4291 NULL,
4292 NULL,
4293 NULL,
4294 NULL,
4295 NULL
4296);
4297
4298MGVTBL_SET(
4299 PL_vtbl_uvar,
4300 MEMBER_TO_FPTR(Perl_magic_getuvar),
4301 MEMBER_TO_FPTR(Perl_magic_setuvar),
4302 NULL,
4303 NULL,
4304 NULL,
4305 NULL,
4306 NULL
4307);
4308
4309MGVTBL_SET(
4310 PL_vtbl_defelem,
4311 MEMBER_TO_FPTR(Perl_magic_getdefelem),
4312 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4313 NULL,
4314 NULL,
4315 NULL,
4316 NULL,
4317 NULL
4318);
4319
4320MGVTBL_SET(
4321 PL_vtbl_regexp,
4322 NULL,
4323 MEMBER_TO_FPTR(Perl_magic_setregexp),
4324 NULL,
4325 NULL,
4326 MEMBER_TO_FPTR(Perl_magic_freeregexp),
4327 NULL,
4328 NULL
4329);
4330
4331MGVTBL_SET(
4332 PL_vtbl_regdata,
4333 NULL,
4334 NULL,
4335 MEMBER_TO_FPTR(Perl_magic_regdata_cnt),
4336 NULL,
4337 NULL,
4338 NULL,
4339 NULL
4340);
4341
4342MGVTBL_SET(
4343 PL_vtbl_regdatum,
4344 MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4345 MEMBER_TO_FPTR(Perl_magic_regdatum_set),
4346 NULL,
4347 NULL,
4348 NULL,
4349 NULL,
4350 NULL
4351);
4352
4353MGVTBL_SET(
4354 PL_vtbl_amagic,
4355 NULL,
4356 MEMBER_TO_FPTR(Perl_magic_setamagic),
4357 NULL,
4358 NULL,
4359 MEMBER_TO_FPTR(Perl_magic_setamagic),
4360 NULL,
4361 NULL
4362);
4363
4364MGVTBL_SET(
4365 PL_vtbl_amagicelem,
4366 NULL,
4367 MEMBER_TO_FPTR(Perl_magic_setamagic),
4368 NULL,
4369 NULL,
4370 MEMBER_TO_FPTR(Perl_magic_setamagic),
4371 NULL,
4372 NULL
4373);
4374
4375MGVTBL_SET(
4376 PL_vtbl_backref,
4377 NULL,
4378 NULL,
4379 NULL,
4380 NULL,
4381 MEMBER_TO_FPTR(Perl_magic_killbackrefs),
4382 NULL,
4383 NULL
4384);
4385
4386MGVTBL_SET(
4387 PL_vtbl_ovrld,
4388 NULL,
4389 NULL,
4390 NULL,
4391 NULL,
4392 MEMBER_TO_FPTR(Perl_magic_freeovrld),
4393 NULL,
4394 NULL
4395);
4396
4397MGVTBL_SET(
4398 PL_vtbl_utf8,
4399 NULL,
4400 MEMBER_TO_FPTR(Perl_magic_setutf8),
4401 NULL,
4402 NULL,
4403 NULL,
4404 NULL,
4405 NULL
4406);
36477c24 4407#ifdef USE_LOCALE_COLLATE
4944113a
AL		 4408MGVTBL_SET(
4409 PL_vtbl_collxfrm,
4410 NULL,
4411 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4412 NULL,
4413 NULL,
4414 NULL,
4415 NULL,
4416 NULL
4417);
bbce6d69 4418#endif
a0d0e21e 4419
85e6fe83 4420
f5284f61
IZ		 4421enum {
4422 fallback_amg, abs_amg,
4423 bool__amg, nomethod_amg,
4424 string_amg, numer_amg,
4425 add_amg, add_ass_amg,
4426 subtr_amg, subtr_ass_amg,
4427 mult_amg, mult_ass_amg,
4428 div_amg, div_ass_amg,
4429 modulo_amg, modulo_ass_amg,
4430 pow_amg, pow_ass_amg,
4431 lshift_amg, lshift_ass_amg,
4432 rshift_amg, rshift_ass_amg,
4433 band_amg, band_ass_amg,
4434 bor_amg, bor_ass_amg,
4435 bxor_amg, bxor_ass_amg,
4436 lt_amg, le_amg,
4437 gt_amg, ge_amg,
4438 eq_amg, ne_amg,
4439 ncmp_amg, scmp_amg,
4440 slt_amg, sle_amg,
4441 sgt_amg, sge_amg,
4442 seq_amg, sne_amg,
4443 not_amg, compl_amg,
4444 inc_amg, dec_amg,
4445 atan2_amg, cos_amg,
4446 sin_amg, exp_amg,
4447 log_amg, sqrt_amg,
4448 repeat_amg, repeat_ass_amg,
4449 concat_amg, concat_ass_amg,
4450 copy_amg, neg_amg,
4451 to_sv_amg, to_av_amg,
4452 to_hv_amg, to_gv_amg,
d460ef45 4453 to_cv_amg, iter_amg,
f216259d
IZ		 4454 int_amg, DESTROY_amg,
4455 max_amg_code
64a0062a 4456 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 4457};
4458
4459#define NofAMmeth max_amg_code
e1ec3a88 4460#define AMG_id2name(id) (PL_AMG_names[id]+1)
f5284f61 4461
a0d0e21e 4462#ifdef DOINIT
27da23d5 4463EXTCONST char * const PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 4464 /* Names kept in the symbol table. fallback => "()", the rest has
4465 "(" prepended. The only other place in perl which knows about
4466 this convention is AMG_id2name (used for debugging output and
4467 'nomethod' only), the only other place which has it hardwired is
4468 overload.pm. */
4469 "()", "(abs", /* "fallback" should be the first. */
4470 "(bool", "(nomethod",
4471 "(\"\"", "(0+",
4472 "(+", "(+=",
4473 "(-", "(-=",
4474 "(*", "(*=",
4475 "(/", "(/=",
4476 "(%", "(%=",
4477 "(**", "(**=",
4478 "(<<", "(<<=",
4479 "(>>", "(>>=",
4480 "(&", "(&=",
4481 "(|", "(|=",
4482 "(^", "(^=",
4483 "(<", "(<=",
4484 "(>", "(>=",
4485 "(==", "(!=",
4486 "(<=>", "(cmp",
4487 "(lt", "(le",
4488 "(gt", "(ge",
4489 "(eq", "(ne",
4490 "(!", "(~",
4491 "(++", "(--",
4492 "(atan2", "(cos",
4493 "(sin", "(exp",
4494 "(log", "(sqrt",
4495 "(x", "(x=",
4496 "(.", "(.=",
4497 "(=", "(neg",
4498 "(${}", "(@{}",
4499 "(%{}", "(*{}",
4500 "(&{}", "(<>",
f216259d 4501 "(int", "DESTROY",
a0d0e21e
LW		 4502};
4503#else
22c35a8c 4504EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 4505#endif /* def INITAMAGIC */
4506
73c4f7a1
GS		 4507END_EXTERN_C
4508
a6006777 4509struct am_table {
eb160463 4510 U32 was_ok_sub;
a0d0e21e 4511 long was_ok_am;
a6006777 4512 U32 flags;
4513 CV* table[NofAMmeth];
a0d0e21e
LW		 4514 long fallback;
4515};
a6006777 4516struct am_table_short {
eb160463 4517 U32 was_ok_sub;
a6006777 4518 long was_ok_am;
4519 U32 flags;
4520};
a0d0e21e 4521typedef struct am_table AMT;
a6006777 4522typedef struct am_table_short AMTS;
a0d0e21e
LW		 4523
4524#define AMGfallNEVER 1
4525#define AMGfallNO 2
4526#define AMGfallYES 3
4527
a6006777 4528#define AMTf_AMAGIC 1
32251b26 4529#define AMTf_OVERLOADED 2
a6006777 4530#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4531#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4532#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 4533#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4534#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4535#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 4536
32251b26 4537#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 4538
4539/*
4540 * some compilers like to redefine cos et alia as faster
4541 * (and less accurate?) versions called F_cos et cetera (Quidquid
4542 * latine dictum sit, altum viditur.) This trick collides with
4543 * the Perl overloading (amg). The following #defines fool both.
4544 */
4545
4546#ifdef _FASTMATH
4547# ifdef atan2
4548# define F_atan2_amg atan2_amg
4549# endif
4550# ifdef cos
4551# define F_cos_amg cos_amg
4552# endif
4553# ifdef exp
4554# define F_exp_amg exp_amg
4555# endif
4556# ifdef log
4557# define F_log_amg log_amg
4558# endif
4559# ifdef pow
4560# define F_pow_amg pow_amg
4561# endif
4562# ifdef sin
4563# define F_sin_amg sin_amg
4564# endif
4565# ifdef sqrt
4566# define F_sqrt_amg sqrt_amg
4567# endif
4568#endif /* _FASTMATH */
4569
83ee9e09
GS		 4570#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4571 PERLDBf_NOOPT | PERLDBf_INTER | \
4572 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 4573 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
4574 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 4575#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4576#define PERLDBf_LINE 0x02 /* Keep line # */
4577#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4578#define PERLDBf_INTER 0x08 /* Preserve more data for
4579 later inspections */
4580#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4581#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4582#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4583#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4584#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4585#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 4586#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 4587
3280af22
NIS		 4588#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4589#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4590#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4591#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4592#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4593#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4594#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4595#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 4596#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4597#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 4598#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 4599
36477c24 4600#ifdef USE_LOCALE_NUMERIC
bbce6d69 4601
36477c24 4602#define SET_NUMERIC_STANDARD() \
ff4fed7c 4603 set_numeric_standard();
36477c24 4604
4605#define SET_NUMERIC_LOCAL() \
ff4fed7c 4606 set_numeric_local();
bbce6d69 4607
2de3dbcc
JH		 4608#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
4609#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4610
4611#define IN_LOCALE \
923e4eb5 4612 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
2de3dbcc 4613
f93f4e46 4614#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 4615 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 4616 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 4617
4618#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 4619 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 4620 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 4621
4622#define RESTORE_NUMERIC_LOCAL() \
4623 if (was_local) SET_NUMERIC_LOCAL();
4624
4625#define RESTORE_NUMERIC_STANDARD() \
4626 if (was_standard) SET_NUMERIC_STANDARD();
4627
5b877257 4628#define Atof my_atof
097ee67d 4629
36477c24 4630#else /* !USE_LOCALE_NUMERIC */
bbce6d69 4631
097ee67d
JH		 4632#define SET_NUMERIC_STANDARD() /**/
4633#define SET_NUMERIC_LOCAL() /**/
5e931b6b 4634#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 4635#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4636#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 4637#define RESTORE_NUMERIC_LOCAL() /**/
4638#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 4639#define Atof my_atof
ad3e0f90 4640#define IN_LOCALE_RUNTIME 0
bbce6d69 4641
36477c24 4642#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 4643
079290de 4644#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4645# ifdef __hpux
4646# define strtoll __strtoll /* secret handshake */
4647# endif
c623ac67
GS		 4648# ifdef WIN64
4649# define strtoll _strtoi64 /* secret handshake */
4650# endif
079290de
GS		 4651# if !defined(Strtol) && defined(HAS_STRTOLL)
4652# define Strtol strtoll
ad551343 4653# endif
28e5dec8
JH		 4654# if !defined(Strtol) && defined(HAS_STRTOQ)
4655# define Strtol strtoq
4656# endif
ff935051 4657/* is there atoq() anywhere? */
15b99d39 4658#endif
079290de
GS		 4659#if !defined(Strtol) && defined(HAS_STRTOL)
4660# define Strtol strtol
4661#endif
4662#ifndef Atol
4663/* It would be more fashionable to use Strtol() to define atol()
4664 * (as is done for Atoul(), see below) but for backward compatibility
4665 * we just assume atol(). */
76b882ba 4666# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 4667# ifdef WIN64
4668# define atoll _atoi64 /* secret handshake */
4669# endif
76b882ba
JH		 4670# define Atol atoll
4671# else
4672# define Atol atol
4673# endif
cf2093f6
JH		 4674#endif
4675
55eb892c 4676#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 4677# ifdef __hpux
4678# define strtoull __strtoull /* secret handshake */
4679# endif
c623ac67
GS		 4680# ifdef WIN64
4681# define strtoull _strtoui64 /* secret handshake */
4682# endif
ad551343 4683# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 4684# define Strtoul strtoull
15b99d39 4685# endif
079290de
GS		 4686# if !defined(Strtoul) && defined(HAS_STRTOUQ)
4687# define Strtoul strtouq
4688# endif
76d49b1c 4689/* is there atouq() anywhere? */
ad551343 4690#endif
079290de
GS		 4691#if !defined(Strtoul) && defined(HAS_STRTOUL)
4692# define Strtoul strtoul
cf2093f6 4693#endif
a5523c5b
JH		 4694#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
4695# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
4696#endif
079290de
GS		 4697#ifndef Atoul
4698# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 4699#endif
cf2093f6 4700
760ac839 4701
06d86050
GS		 4702/* if these never got defined, they need defaults */
4703#ifndef PERL_SET_CONTEXT
4704# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
4705#endif
4706
4707#ifndef PERL_GET_CONTEXT
4708# define PERL_GET_CONTEXT PERL_GET_INTERP
4709#endif
4710
4711#ifndef PERL_GET_THX
4712# define PERL_GET_THX ((void*)NULL)
4713#endif
4714
4715#ifndef PERL_SET_THX
4716# define PERL_SET_THX(t) NOOP
4717#endif
4718
a868473f
NIS		 4719#ifndef PERL_SCRIPT_MODE
4720#define PERL_SCRIPT_MODE "r"
4721#endif
4722
fba3b22e 4723/*
da927450
JH		 4724 * Some operating systems are stingy with stack allocation,
4725 * so perl may have to guard against stack overflow.
4726 */
4727#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 4728#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 4729#endif
4730
4731/*
4732 * Some nonpreemptive operating systems find it convenient to
4733 * check for asynchronous conditions after each op execution.
4734 * Keep this check simple, or it may slow down execution
4735 * massively.
4736 */
ce08f86c 4737
1d615522 4738#ifndef PERL_MICRO
4ffa73a3
JH		 4739# ifndef PERL_ASYNC_CHECK
4740# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4741# endif
ce08f86c
NIS		 4742#endif
4743
da927450 4744#ifndef PERL_ASYNC_CHECK
1d615522 4745# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 4746#endif
4747
4748/*
4749 * On some operating systems, a memory allocation may succeed,
4750 * but put the process too close to the system's comfort limit.
4751 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4752 * it to NULL.
4753 */
4754#ifndef PERL_ALLOC_CHECK
c2af87cb 4755#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 4756#endif
4757
bd89102f
AD		 4758#ifdef HAS_SEM
4759# include <sys/ipc.h>
4760# include <sys/sem.h>
4761# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4762 union semun {
dbba660d
TC		 4763 int val;
4764 struct semid_ds *buf;
4765 unsigned short *array;
bd89102f
AD		 4766 };
4767# endif
4768# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4769# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4770 union gccbug_semun {
4771 int val;
4772 struct semid_ds *buf;
4773 unsigned short *array;
4774 char __dummy[5];
4775 };
4776# define semun gccbug_semun
4777# endif
bd89102f
AD		 4778# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4779# else
4780# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4781# ifdef EXTRA_F_IN_SEMUN_BUF
4782# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4783# else
4784# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4785# endif
bd89102f
AD		 4786# endif
4787# endif
bd89102f 4788#endif
49f531da 4789
89ca4ac7
JH		 4790/*
4791 * Boilerplate macros for initializing and accessing interpreter-local
4792 * data from C. All statics in extensions should be reworked to use
4793 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4794 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4795 *
4796 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4797 * 1. #define MY_CXT_KEY to a unique string, e.g.
4798 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4799 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4800 * all the data that needs to be interpreter-local.
4801 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4802 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4803 * (typically put in the BOOT: section).
4804 * 5. Use the members of the my_cxt_t structure everywhere as
4805 * MY_CXT.member.
4806 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4807 * access MY_CXT.
4808 */
4809
fc958cd2 4810#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4811
4812/* This must appear in all extensions that define a my_cxt_t structure,
4813 * right after the definition (i.e. at file scope). The non-threads
4814 * case below uses it to declare the data as static. */
4815#define START_MY_CXT
4816
4817/* Fetches the SV that keeps the per-interpreter data. */
4818#define dMY_CXT_SV \
4819 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4820 sizeof(MY_CXT_KEY)-1, TRUE)
4821
4822/* This declaration should be used within all functions that use the
4823 * interpreter-local data. */
4824#define dMY_CXT \
4825 dMY_CXT_SV; \
ec0e15e0 4826 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4827
4828/* Creates and zeroes the per-interpreter data.
4829 * (We allocate my_cxtp in a Perl SV so that it will be released when
4830 * the interpreter goes away.) */
4831#define MY_CXT_INIT \
4832 dMY_CXT_SV; \
4833 /* newSV() allocates one more than needed */ \
4834 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4835 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4836 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7 4837
8fba5d14
MHM		 4838/* Clones the per-interpreter data. */
4839#define MY_CXT_CLONE \
4840 dMY_CXT_SV; \
4841 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4842 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\
4843 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
4844
89ca4ac7
JH		 4845/* This macro must be used to access members of the my_cxt_t structure.
4846 * e.g. MYCXT.some_data */
4847#define MY_CXT (*my_cxtp)
4848
4849/* Judicious use of these macros can reduce the number of times dMY_CXT
4850 * is used. Use is similar to pTHX, aTHX etc. */
4851#define pMY_CXT my_cxt_t *my_cxtp
4852#define pMY_CXT_ pMY_CXT,
4853#define _pMY_CXT ,pMY_CXT
4854#define aMY_CXT my_cxtp
4855#define aMY_CXT_ aMY_CXT,
4856#define _aMY_CXT ,aMY_CXT
4857
4858#else /* USE_ITHREADS */
4859
4860#define START_MY_CXT static my_cxt_t my_cxt;
4861#define dMY_CXT_SV dNOOP
4862#define dMY_CXT dNOOP
4863#define MY_CXT_INIT NOOP
8fba5d14 4864#define MY_CXT_CLONE NOOP
89ca4ac7
JH		 4865#define MY_CXT my_cxt
4866
4867#define pMY_CXT void
4868#define pMY_CXT_
4869#define _pMY_CXT
4870#define aMY_CXT
4871#define aMY_CXT_
4872#define _aMY_CXT
4873
4874#endif /* !defined(USE_ITHREADS) */
4875
9a34ef1d
GS		 4876#ifdef I_FCNTL
4877# include <fcntl.h>
9a34ef1d
GS		 4878#endif
4879
9cffb111
OS		 4880#ifdef __Lynx__
4881# include <fcntl.h>
4882#endif
4883
9a34ef1d
GS		 4884#ifdef I_SYS_FILE
4885# include <sys/file.h>
4886#endif
4887
fa0a29af 4888#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4889int flock(int fd, int op);
4890#endif
4891
fe52b3b7
GS		 4892#ifndef O_RDONLY
4893/* Assume UNIX defaults */
4894# define O_RDONLY 0000
4895# define O_WRONLY 0001
4896# define O_RDWR 0002
4897# define O_CREAT 0100
4898#endif
9a34ef1d 4899
16fe6d59
GS		 4900#ifndef O_BINARY
4901# define O_BINARY 0
4902#endif
4903
4904#ifndef O_TEXT
4905# define O_TEXT 0
4906#endif
4907
6ce75a77
JH		 4908#if O_TEXT != O_BINARY
4909 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4910 * that is, you are somehow DOSish. */
538204d5 4911# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4912 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4913 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4914 /* VOS has O_TEXT != O_BINARY, and they have effect,
4915 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4916 /* If you have O_TEXT different from your O_BINARY but you still are
4917 * not a CRLF shop. */
35990314 4918# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4919# else
4920 /* If you really are DOSish. */
4921# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4922# endif
4923#endif
4924
104d25b7
JH		 4925#ifdef IAMSUID
4926
4927#ifdef I_SYS_STATVFS
9f982a77
IG		 4928# if defined(PERL_SCO) && !defined(_SVID3)
4929# define _SVID3
4930# endif
32b3cf08
JH		 4931# include <sys/statvfs.h> /* for f?statvfs() */
4932#endif
4933#ifdef I_SYS_MOUNT
4934# include <sys/mount.h> /* for *BSD f?statfs() */
4935#endif
4936#ifdef I_MNTENT
4937# include <mntent.h> /* for getmntent() */
104d25b7 4938#endif
0545a864
JH		 4939#ifdef I_SYS_STATFS
4940# include <sys/statfs.h> /* for some statfs() */
4941#endif
4942#ifdef I_SYS_VFS
8d9e1a19
GS		 4943# ifdef __sgi
4944# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4945# endif
4946# include <sys/vfs.h> /* for some statfs() */
4947# ifdef __sgi
4948# undef IRIX_sv
4949# endif
0545a864
JH		 4950#endif
4951#ifdef I_USTAT
4952# include <ustat.h> /* for ustat() */
4953#endif
4954
4955#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4956# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4957#endif
4958#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4959# define PERL_MOUNT_NOSUID MNT_NOSUID
4960#endif
4961#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4962# define PERL_MOUNT_NOSUID MS_NOSUID
4963#endif
4964#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4965# define PERL_MOUNT_NOSUID M_NOSUID
4966#endif
104d25b7 4967
ae3f3efd
PS		 4968#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
4969# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
4970#endif
4971#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
4972# define PERL_MOUNT_NOEXEC MNT_NOEXEC
4973#endif
4974#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
4975# define PERL_MOUNT_NOEXEC MS_NOEXEC
4976#endif
4977#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
4978# define PERL_MOUNT_NOEXEC M_NOEXEC
4979#endif
4980
104d25b7
JH		 4981#endif /* IAMSUID */
4982
4bc88a62
PS		 4983#ifdef I_LIBUTIL
4984# include <libutil.h> /* setproctitle() in some FreeBSDs */
4985#endif
4986
b4748376
NIS		 4987#ifndef EXEC_ARGV_CAST
4988#define EXEC_ARGV_CAST(x) x
4989#endif
4990
dd5dc04f
JH		 4991#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4992 int). value returned in pointed-
4993 to UV */
4994#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4995#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4996#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4997#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4998#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4999
5000#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
5001
53305cf1
NC		 5002/* Input flags: */
5003#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 5004#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 5005#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 5006/* Output flags: */
5007#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
5008
2c4f7f0e
DM		 5009/* to let user control profiling */
5010#ifdef PERL_GPROF_CONTROL
5011extern void moncontrol(int);
5012#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
5013#else
5014#define PERL_GPROF_MONCONTROL(x)
5015#endif
5016
ae0e3d3b
JH		 5017#ifdef UNDER_CE
5018#include "wince.h"
5019#endif
5020
5021/* ISO 6429 NEL - C1 control NExt Line */
5022/* See http://www.unicode.org/unicode/reports/tr13/ */
5023#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
5024# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
5025# define NEXT_LINE_CHAR 0x15
5026# else /* CDRA */
5027# define NEXT_LINE_CHAR 0x25
5028# endif
5029#else
5030# define NEXT_LINE_CHAR 0x85
5031#endif
5032
5033/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
5034#define UNICODE_LINE_SEPA_0 0xE2
5035#define UNICODE_LINE_SEPA_1 0x80
5036#define UNICODE_LINE_SEPA_2 0xA8
5037#define UNICODE_PARA_SEPA_0 0xE2
5038#define UNICODE_PARA_SEPA_1 0x80
5039#define UNICODE_PARA_SEPA_2 0xA9
5040
479b2847
GS		 5041#ifndef PIPESOCK_MODE
5042# define PIPESOCK_MODE
5043#endif
5044
460c8493
IZ		 5045#ifndef SOCKET_OPEN_MODE
5046# define SOCKET_OPEN_MODE PIPESOCK_MODE
5047#endif
5048
5049#ifndef PIPE_OPEN_MODE
5050# define PIPE_OPEN_MODE PIPESOCK_MODE
5051#endif
5052
7e8c5dac
HS		 5053#define PERL_MAGIC_UTF8_CACHESIZE 2
5054
a05d7ebb
JH		 5055#define PERL_UNICODE_STDIN_FLAG 0x0001
5056#define PERL_UNICODE_STDOUT_FLAG 0x0002
5057#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 5058#define PERL_UNICODE_IN_FLAG 0x0008
5059#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 5060#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 5061#define PERL_UNICODE_LOCALE_FLAG 0x0040
5062#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
5063
06e66572
JH		 5064#define PERL_UNICODE_STD_FLAG \
5065 (PERL_UNICODE_STDIN_FLAG | \
5066 PERL_UNICODE_STDOUT_FLAG | \
5067 PERL_UNICODE_STDERR_FLAG)
5068
5069#define PERL_UNICODE_INOUT_FLAG \
5070 (PERL_UNICODE_IN_FLAG | \
5071 PERL_UNICODE_OUT_FLAG)
5072
5073#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 5074 (PERL_UNICODE_STD_FLAG | \
5075 PERL_UNICODE_INOUT_FLAG | \
5076 PERL_UNICODE_LOCALE_FLAG)
5077
5078#define PERL_UNICODE_ALL_FLAGS 0x00ff
5079
5080#define PERL_UNICODE_STDIN 'I'
5081#define PERL_UNICODE_STDOUT 'O'
5082#define PERL_UNICODE_STDERR 'E'
5083#define PERL_UNICODE_STD 'S'
5084#define PERL_UNICODE_IN 'i'
5085#define PERL_UNICODE_OUT 'o'
5086#define PERL_UNICODE_INOUT 'D'
5087#define PERL_UNICODE_ARGV 'A'
5088#define PERL_UNICODE_LOCALE 'L'
5089#define PERL_UNICODE_WIDESYSCALLS 'W'
5090
4ffa73a3
JH		 5091#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
5092
16bd9a85
JH		 5093/* From sigaction(2) (FreeBSD man page):
5094 * | Signal routines normally execute with the signal that
5095 * | caused their invocation blocked, but other signals may
5096 * | yet occur.
5097 * Emulation of this behavior (from within Perl) is enabled
5098 * by defining PERL_BLOCK_SIGNALS.
5099 */
5100#define PERL_BLOCK_SIGNALS
5101
5102#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
5103# define PERL_BLOCKSIG_ADD(set,sig) \
5104 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
5105# define PERL_BLOCKSIG_BLOCK(set) \
5106 sigprocmask(SIG_BLOCK, &(set), NULL)
5107# define PERL_BLOCKSIG_UNBLOCK(set) \
5108 sigprocmask(SIG_UNBLOCK, &(set), NULL)
5109#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
5110
5111/* How about the old style of sigblock()? */
5112
5113#ifndef PERL_BLOCKSIG_ADD
5114# define PERL_BLOCKSIG_ADD(set, sig) NOOP
5115#endif
5116#ifndef PERL_BLOCKSIG_BLOCK
5117# define PERL_BLOCKSIG_BLOCK(set) NOOP
5118#endif
2bfba5f0 5119#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 5120# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
5121#endif
5122
32fdb065 5123/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 5124 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 5125#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
5126
3c0f78ca
JH		 5127#if defined(__DECC) && defined(__osf__)
5128#pragma message disable (mainparm) /* Perl uses the envp in main(). */
24801a4b
JH		 5129#endif
5130
4d8076ea 5131/* and finally... */
cceca5ed 5132#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5133#include "patchlevel.h"
cceca5ed 5134#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 5135
43999f95 5136/* Mention
d460ef45 5137
43999f95 5138 NV_PRESERVES_UV
fe749a9f 5139
fe749a9f
JH		 5140 HAS_MKSTEMP
5141 HAS_MKSTEMPS
5142 HAS_MKDTEMP
5143
49dabb45
JH		 5144 HAS_GETCWD
5145
d59b5429 5146 HAS_MMAP
fe749a9f
JH		 5147 HAS_MPROTECT
5148 HAS_MSYNC
1e8c3fde 5149 HAS_MADVISE
fe749a9f
JH		 5150 HAS_MUNMAP
5151 I_SYSMMAN
5152 Mmap_t
5153
6b4667fc
A		 5154 NVef
5155 NVff
5156 NVgf
5157
4e0554ec 5158 HAS_UALARM
2d736872 5159 HAS_USLEEP
4e0554ec
JH		 5160
5161 HAS_SETITIMER
5162 HAS_GETITIMER
5163
5164 HAS_SENDMSG
5165 HAS_RECVMSG
5166 HAS_READV
5167 HAS_WRITEV
5168 I_SYSUIO
5169 HAS_STRUCT_MSGHDR
5170 HAS_STRUCT_CMSGHDR
5171
2765b840 5172 HAS_NL_LANGINFO
0a7020c9 5173
ae0e3d3b 5174 HAS_DIRFD
2765b840 5175
43999f95
JH		 5176 so that Configure picks them up. */
5177
85e6fe83 5178#endif /* Include guard */
ae0e3d3b 5179
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