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a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
1d325971 4 * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
894ccb8c
JH		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
53# endif
ba979b31
NIS		 54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
27da23d5
JH		 68#ifdef PERL_GLOBAL_STRUCT_PRIVATE
69# ifndef PERL_GLOBAL_STRUCT
70# define PERL_GLOBAL_STRUCT
71# endif
72#endif
73#ifdef PERL_GLOBAL_STRUCT
74# ifndef MULTIPLICITY
75# define MULTIPLICITY
76# endif
77#endif
78
026fd48b
GH		 79/* undef WIN32 when building on Cygwin (for libwin32) - gph */
80#ifdef __CYGWIN__
81# undef WIN32
82# undef _WIN32
83#endif
84
27da23d5
JH		 85#if defined(__SYMBIAN32__) || (defined(__VC32__) && defined(WINS))
86# ifndef SYMBIAN
87# define SYMBIAN
88# endif
89#endif
90
91#ifdef SYMBIAN
92# include "symbian/symbian_proto.h"
93#endif
94
95/* Any stack-challenged places. The limit varies (and often
96 * is configurable), but using more than a kilobyte of stack
97 * is usually dubious in these systems. */
98#if defined(EPOC) || defined(SYMBIAN)
99/* EPOC/Symbian: need to work around the SDK features. *
100 * On WINS: MS VC5 generates calls to _chkstk, *
101 * if a "large" stack frame is allocated. *
102 * gcc on MARM does not generate calls like these. */
103# define USE_HEAP_INSTEAD_OF_STACK
104#endif
105
106#/* Use the reentrant APIs like localtime_r and getpwent_r */
10bc17b6 107/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6239f2da 108#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 109# define USE_REENTRANT_API
110#endif
111
ac6bedea
JH		 112/* <--- here ends the logic shared by perl.h and makedef.pl */
113
af28e889 114/*
6239f2da
JH		 115 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
116 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
af28e889
JH		 117 * __bsdi__ for BSD/OS
118 */
6239f2da 119#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 120# ifndef BSDish
121# define BSDish
122# endif
123#endif
124
27da23d5
JH		 125#ifdef PERL_GLOBAL_STRUCT
126# ifndef PERL_GET_VARS
127# ifdef PERL_GLOBAL_STRUCT_PRIVATE
128 extern struct perl_vars* Perl_GetVarsPrivate();
129# define PERL_GET_VARS() Perl_GetVarsPrivate() /* see miniperlmain.c */
130# ifndef PERLIO_FUNCS_CONST
131# define PERLIO_FUNCS_CONST /* Can't have these lying around. */
132# endif
133# else
134# define PERL_GET_VARS() PL_VarsPtr
135# endif
136# endif
137#endif
138
139#define pVAR register struct perl_vars* my_vars PERL_UNUSED_DECL
140
141#ifdef PERL_GLOBAL_STRUCT
142# define dVAR pVAR = (struct perl_vars*)PERL_GET_VARS()
143#else
144# define dVAR dNOOP
145#endif
146
c5be433b 147#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 148# ifndef MULTIPLICITY
149# define MULTIPLICITY
c5be433b 150# endif
3db8f154
MB		 151# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
152# define aTHX my_perl
27da23d5
JH		 153# ifdef PERL_GLOBAL_STRUCT
154# define dTHXa(a) dVAR; pTHX = (PerlInterpreter*)a
155# else
156# define dTHXa(a) pTHX = (PerlInterpreter*)a
157# endif
158# ifdef PERL_GLOBAL_STRUCT
159# define dTHX dVAR; pTHX = PERL_GET_THX
160# else
161# define dTHX pTHX = PERL_GET_THX
162# endif
c5be433b 163# define pTHX_ pTHX,
c5be433b 164# define aTHX_ aTHX,
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
bdf3085f
NC		 807/* We no longer default to creating a new SV for GvSV.
808 Do this before embed. */
809#ifndef PERL_CREATE_GVSV
810#define PERL_DONT_CREATE_GVSV
811#endif
812
66a93824
NIS		 813/* Cannot include embed.h here on Win32 as win32.h has not
814 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
815 */
96e176bf 816#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 817# include "embed.h"
818#endif
819
c31fac66
GS		 820#define MEM_SIZE Size_t
821
1936d2a7
NC		 822/* Round all values passed to malloc up, by default to a multiple of
823 sizeof(size_t)
824*/
825#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
826#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
827#endif
828
51371543
GS		 829#if defined(STANDARD_C) && defined(I_STDDEF)
830# include <stddef.h>
831# define STRUCT_OFFSET(s,m) offsetof(s,m)
832#else
833# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
834#endif
835
27da23d5
JH		 836#ifndef SYMBIAN
837# if defined(I_STRING) || defined(__cplusplus)
838# include <string.h>
839# else
840# include <strings.h>
841# endif
51371543
GS		 842#endif
843
55497cff 844/* This comes after <stdlib.h> so we don't try to change the standard
845 * library prototypes; we'll use our own in proto.h instead. */
03a14243 846
4633a7c4 847#ifdef MYMALLOC
86058a2d 848# ifdef PERL_POLLUTE_MALLOC
ee13e175 849# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 850# define Perl_malloc malloc
851# define Perl_calloc calloc
852# define Perl_realloc realloc
853# define Perl_mfree free
ee13e175 854# endif
86058a2d
GS		 855# else
856# define EMBEDMYMALLOC /* for compatibility */
857# endif
827e134a 858
651b9576
GS		 859# define safemalloc Perl_malloc
860# define safecalloc Perl_calloc
861# define saferealloc Perl_realloc
862# define safefree Perl_mfree
22f7c9c9
JH		 863# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
864 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
865 code; \
866 } STMT_END
867# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
868 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
869# define panic_write2(s) write(2, s, strlen(s))
870# define CHECK_MALLOC_TAINT(newval) \
871 CHECK_MALLOC_TOO_LATE_FOR_( \
872 if (newval) { \
873 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
874 exit(1); })
22f7c9c9 875# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 876 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 877 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
878 }} STMT_END;
f2517201
GS		 879#else /* MYMALLOC */
880# define safemalloc safesysmalloc
881# define safecalloc safesyscalloc
882# define saferealloc safesysrealloc
883# define safefree safesysfree
22f7c9c9
JH		 884# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
885# define CHECK_MALLOC_TAINT(newval) ((void)0)
886# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 887#endif /* MYMALLOC */
4633a7c4 888
27da23d5 889#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		 890#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
891#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
892#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
893
a0d0e21e
LW		 894#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
895#define strchr index
896#define strrchr rindex
897#endif
898
16d20bd9
AD		 899#ifdef I_MEMORY
900# include <memory.h>
901#endif
902
fe14fcc3 903#ifdef HAS_MEMCPY
85e6fe83 904# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 905# ifndef memcpy
20ce7b12 906 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 907# endif
908# endif
909#else
910# ifndef memcpy
911# ifdef HAS_BCOPY
912# define memcpy(d,s,l) bcopy(s,d,l)
913# else
914# define memcpy(d,s,l) my_bcopy(s,d,l)
915# endif
916# endif
917#endif /* HAS_MEMCPY */
fe14fcc3 918
ee0007ab 919#ifdef HAS_MEMSET
85e6fe83 920# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 921# ifndef memset
20ce7b12 922 extern char *memset (char*, int, int);
ee0007ab
LW		 923# endif
924# endif
ee0007ab 925#else
12ae5dfc 926# undef memset
fc36a67e 927# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 928#endif /* HAS_MEMSET */
929
85e6fe83 930#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 931# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 932# define memmove(d,s,l) bcopy(s,d,l)
933# else
2304df62 934# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 935# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 936# else
79072805 937# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 938# endif
352d5a3a 939# endif
d9d8d8de 940#endif
ee0007ab 941
36477c24 942#if defined(mips) && defined(ultrix) && !defined(__STDC__)
943# undef HAS_MEMCMP
944#endif
945
946#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 947# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 948# ifndef memcmp
20ce7b12 949 extern int memcmp (char*, char*, int);
ee0007ab
LW		 950# endif
951# endif
36477c24 952# ifdef BUGGY_MSC
7e4e8c89 953# pragma function(memcmp)
36477c24 954# endif
ee0007ab
LW		 955#else
956# ifndef memcmp
ecfc5424 957# define memcmp my_memcmp
352d5a3a 958# endif
36477c24 959#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 960
fc36a67e 961#ifndef memzero
c635e13b 962# ifdef HAS_MEMSET
963# define memzero(d,l) memset(d,0,l)
79072805 964# else
c635e13b 965# ifdef HAS_BZERO
966# define memzero(d,l) bzero(d,l)
79072805 967# else
fc36a67e 968# define memzero(d,l) my_bzero(d,l)
79072805
LW		 969# endif
970# endif
d9d8d8de 971#endif
378cc40b 972
2f42fcb0 973#ifndef PERL_MICRO
0f27ced1
JH		 974#ifndef memchr
975# ifndef HAS_MEMCHR
976# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
977# endif
978#endif
2f42fcb0 979#endif
0f27ced1 980
36477c24 981#ifndef HAS_BCMP
982# ifndef bcmp
983# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 984# endif
36477c24 985#endif /* !HAS_BCMP */
378cc40b 986
ae986130 987#ifdef I_NETINET_IN
79072805 988# include <netinet/in.h>
ae986130
LW		 989#endif
990
28e8609d
JH		 991#ifdef I_ARPA_INET
992# include <arpa/inet.h>
993#endif
994
84902520
TB		 995#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
996/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
997 * (the neo-BSD seem to do this). */
998# undef SF_APPEND
999#endif
1000
1aef975c 1001#ifdef I_SYS_STAT
84902520 1002# include <sys/stat.h>
1aef975c 1003#endif
79072805 1004
a0d0e21e
LW		 1005/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
1006 like UTekV) are broken, sometimes giving false positives. Undefine
1007 them here and let the code below set them to proper values.
1008
1009 The ghs macro stands for GreenHills Software C-1.8.5 which
1010 is the C compiler for sysV88 and the various derivatives.
1011 This header file bug is corrected in gcc-2.5.8 and later versions.
1012 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
1013
1014#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 1015# undef S_ISDIR
1016# undef S_ISCHR
1017# undef S_ISBLK
1018# undef S_ISREG
1019# undef S_ISFIFO
1020# undef S_ISLNK
ee0007ab 1021#endif
135863df 1022
663a0e37
LW		 1023#ifdef I_TIME
1024# include <time.h>
ffed7fef 1025#endif
663a0e37 1026
fe14fcc3 1027#ifdef I_SYS_TIME
85e6fe83 1028# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1029# define KERNEL
1030# endif
1031# include <sys/time.h>
85e6fe83 1032# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 1033# undef KERNEL
1034# endif
a687059c 1035#endif
135863df 1036
55497cff 1037#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 1038# include <sys/times.h>
d9d8d8de 1039#endif
8d063cd8 1040
fe14fcc3 1041#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 1042# undef HAS_STRERROR
663a0e37
LW		 1043#endif
1044
1045#include <errno.h>
1e743fda 1046
acfe0abc 1047#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 1048# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
1049#endif
1050
8cfab5ff
JH		 1051/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
1052 * This is important for using IPv6.
1053 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
1054 * a bad idea since it breaks send() and recv(). */
1055#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
1056# define _SOCKADDR_LEN
1057#endif
1058
8d3f517a 1059#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 1060# include <sys/socket.h>
1061# if defined(USE_SOCKS) && defined(I_SOCKS)
1062# if !defined(INCLUDE_PROTOTYPES)
1063# define INCLUDE_PROTOTYPES /* for <socks.h> */
1064# define PERL_SOCKS_NEED_PROTOTYPES
1065# endif
1066# include <socks.h>
1067# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1068# undef INCLUDE_PROTOTYPES
1069# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 1070# endif
d460ef45 1071# endif
1e743fda 1072# ifdef I_NETDB
2986a63f
JH		 1073# ifdef NETWARE
1074# include<stdio.h>
1075# endif
1e743fda
JH		 1076# include <netdb.h>
1077# endif
1078# ifndef ENOTSOCK
1079# ifdef I_NET_ERRNO
1080# include <net/errno.h>
1081# endif
1082# endif
1083#endif
1084
fa0a29af 1085/* sockatmark() is so new (2001) that many places might have it hidden
29820b6d
MHM		 1086 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1087 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
fa0a29af 1088#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
29820b6d
MHM		 1089# if defined(__THROW) && defined(__GLIBC__)
1090int sockatmark(int) __THROW;
1091# else
2ef53570 1092int sockatmark(int);
29820b6d 1093# endif
2ef53570
JH		 1094#endif
1095
1e743fda
JH		 1096#ifdef SETERRNO
1097# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 1098#endif
f86702cc 1099
1100#ifdef VMS
1101# define SETERRNO(errcode,vmserrcode) \
1102 STMT_START { \
1103 set_errno(errcode); \
1104 set_vaxc_errno(vmserrcode); \
1105 } STMT_END
93189314
JH		 1106# define LIB_INVARG LIB$_INVARG
1107# define RMS_DIR RMS$_DIR
1108# define RMS_FAC RMS$_FAC
1109# define RMS_FEX RMS$_FEX
1110# define RMS_FNF RMS$_FNF
1111# define RMS_IFI RMS$_IFI
1112# define RMS_ISI RMS$_ISI
1113# define RMS_PRV RMS$_PRV
1114# define SS_ACCVIO SS$_ACCVIO
1115# define SS_DEVOFFLINE SS$_DEVOFFLINE
1116# define SS_IVCHAN SS$_IVCHAN
1117# define SS_NORMAL SS$_NORMAL
748a9306 1118#else
aba27d88 1119# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 1120# define LIB_INVARG 0
1121# define RMS_DIR 0
1122# define RMS_FAC 0
1123# define RMS_FEX 0
1124# define RMS_FNF 0
1125# define RMS_IFI 0
1126# define RMS_ISI 0
1127# define RMS_PRV 0
1128# define SS_ACCVIO 0
1129# define SS_DEVOFFLINE 0
1130# define SS_IVCHAN 0
1131# define SS_NORMAL 0
748a9306 1132#endif
ed6116ce 1133
3db8f154 1134#define ERRSV GvSV(PL_errgv)
e203899d
NC		 1135/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1136#define DEFSV GvSVn(PL_defgv)
3db8f154 1137#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 1138
98eae8f5
GS		 1139#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1140
55497cff 1141#ifndef errno
5ff3f7a4
GS		 1142 extern int errno; /* ANSI allows errno to be an lvalue expr.
1143 * For example in multithreaded environments
1144 * something like this might happen:
1145 * extern int *_errno(void);
1146 * #define errno (*_errno()) */
d9d8d8de 1147#endif
663a0e37 1148
2304df62 1149#ifdef HAS_STRERROR
a0d0e21e 1150# ifdef VMS
20ce7b12 1151 char *strerror (int,...);
a0d0e21e 1152# else
68dc0745 1153#ifndef DONT_DECLARE_STD
20ce7b12 1154 char *strerror (int);
68dc0745 1155#endif
a0d0e21e 1156# endif
2304df62
AD		 1157# ifndef Strerror
1158# define Strerror strerror
1159# endif
1160#else
1161# ifdef HAS_SYS_ERRLIST
79072805
LW		 1162 extern int sys_nerr;
1163 extern char *sys_errlist[];
2304df62
AD		 1164# ifndef Strerror
1165# define Strerror(e) \
79072805 1166 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 1167# endif
79072805 1168# endif
35c8bce7 1169#endif
663a0e37 1170
2304df62 1171#ifdef I_SYS_IOCTL
79072805
LW		 1172# ifndef _IOCTL_
1173# include <sys/ioctl.h>
1174# endif
a687059c
LW		 1175#endif
1176
ee0007ab 1177#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 1178# ifdef HAS_SOCKETPAIR
1179# undef HAS_SOCKETPAIR
1180# endif
2304df62
AD		 1181# ifdef I_NDBM
1182# undef I_NDBM
79072805 1183# endif
a687059c
LW		 1184#endif
1185
02fc2eee
NC		 1186#ifndef HAS_SOCKETPAIR
1187# ifdef HAS_SOCKET
1188# define socketpair Perl_my_socketpair
1189# endif
1190#endif
1191
a687059c 1192#if INTSIZE == 2
79072805
LW		 1193# define htoni htons
1194# define ntohi ntohs
a687059c 1195#else
79072805
LW		 1196# define htoni htonl
1197# define ntohi ntohl
a687059c
LW		 1198#endif
1199
a0d0e21e 1200/* Configure already sets Direntry_t */
35c8bce7 1201#if defined(I_DIRENT)
663a0e37 1202# include <dirent.h>
8f1f23e8
W		 1203 /* NeXT needs dirent + sys/dir.h */
1204# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 1205# include <sys/dir.h>
1206# endif
ae986130 1207#else
fe14fcc3 1208# ifdef I_SYS_NDIR
79a0689e 1209# include <sys/ndir.h>
663a0e37 1210# else
fe14fcc3 1211# ifdef I_SYS_DIR
79a0689e
LW		 1212# ifdef hp9000s500
1213# include <ndir.h> /* may be wrong in the future */
1214# else
1215# include <sys/dir.h>
1216# endif
663a0e37
LW		 1217# endif
1218# endif
4633a7c4 1219#endif
a687059c 1220
12ae5dfc
JH		 1221#ifdef PERL_MICRO
1222# ifndef DIR
1223# define DIR void
1224# endif
1225#endif
1226
352d5a3a
LW		 1227#ifdef FPUTS_BOTCH
1228/* work around botch in SunOS 4.0.1 and 4.0.2 */
1229# ifndef fputs
79072805 1230# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 1231# endif
1232#endif
1233
c623bd54
LW		 1234/*
1235 * The following gobbledygook brought to you on behalf of __STDC__.
1236 * (I could just use #ifndef __STDC__, but this is more bulletproof
1237 * in the face of half-implementations.)
1238 */
1239
7114a2d2 1240#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 1241#include <sys/mode.h>
1242#endif
1243
c623bd54
LW		 1244#ifndef S_IFMT
1245# ifdef _S_IFMT
1246# define S_IFMT _S_IFMT
1247# else
1248# define S_IFMT 0170000
1249# endif
1250#endif
1251
1252#ifndef S_ISDIR
1253# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1254#endif
1255
1256#ifndef S_ISCHR
1257# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1258#endif
1259
1260#ifndef S_ISBLK
fe14fcc3
LW		 1261# ifdef S_IFBLK
1262# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1263# else
1264# define S_ISBLK(m) (0)
1265# endif
c623bd54
LW		 1266#endif
1267
1268#ifndef S_ISREG
1269# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1270#endif
1271
1272#ifndef S_ISFIFO
fe14fcc3
LW		 1273# ifdef S_IFIFO
1274# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1275# else
1276# define S_ISFIFO(m) (0)
1277# endif
c623bd54
LW		 1278#endif
1279
1280#ifndef S_ISLNK
1281# ifdef _S_ISLNK
1282# define S_ISLNK(m) _S_ISLNK(m)
1283# else
1284# ifdef _S_IFLNK
1285# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1286# else
1287# ifdef S_IFLNK
1288# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1289# else
1290# define S_ISLNK(m) (0)
1291# endif
1292# endif
1293# endif
1294#endif
1295
1296#ifndef S_ISSOCK
1297# ifdef _S_ISSOCK
1298# define S_ISSOCK(m) _S_ISSOCK(m)
1299# else
1300# ifdef _S_IFSOCK
1301# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1302# else
1303# ifdef S_IFSOCK
1304# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1305# else
1306# define S_ISSOCK(m) (0)
1307# endif
1308# endif
1309# endif
1310#endif
1311
1312#ifndef S_IRUSR
1313# ifdef S_IREAD
1314# define S_IRUSR S_IREAD
1315# define S_IWUSR S_IWRITE
1316# define S_IXUSR S_IEXEC
1317# else
1318# define S_IRUSR 0400
1319# define S_IWUSR 0200
1320# define S_IXUSR 0100
1321# endif
fac7cdfc
JS		 1322#endif
1323
1324#ifndef S_IRGRP
1325# ifdef S_IRUSR
1326# define S_IRGRP (S_IRUSR>>3)
1327# define S_IWGRP (S_IWUSR>>3)
1328# define S_IXGRP (S_IXUSR>>3)
1329# else
1330# define S_IRGRP 0040
1331# define S_IWGRP 0020
1332# define S_IXGRP 0010
1333# endif
1334#endif
1335
1336#ifndef S_IROTH
1337# ifdef S_IRUSR
1338# define S_IROTH (S_IRUSR>>6)
1339# define S_IWOTH (S_IWUSR>>6)
1340# define S_IXOTH (S_IXUSR>>6)
1341# else
1342# define S_IROTH 0040
1343# define S_IWOTH 0020
1344# define S_IXOTH 0010
1345# endif
c623bd54
LW		 1346#endif
1347
1348#ifndef S_ISUID
1349# define S_ISUID 04000
1350#endif
1351
1352#ifndef S_ISGID
1353# define S_ISGID 02000
1354#endif
1355
ca6e1c26
JH		 1356#ifndef S_IRWXU
1357# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1358#endif
ca6e1c26
JH		 1359
1360#ifndef S_IRWXG
1361# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1362#endif
ca6e1c26
JH		 1363
1364#ifndef S_IRWXO
1365# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1366#endif
ca6e1c26 1367
c21fb2b8
JH		 1368/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1369 * which would get included through <sys/file.h >, but that is 3000
1370 * lines in the future. --jhi */
1371
1372#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1373# define S_IREAD S_IRUSR
1374#endif
1375
c21fb2b8 1376#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1377# define S_IWRITE S_IWUSR
1378#endif
1379
1380#ifndef S_IEXEC
1381# define S_IEXEC S_IXUSR
1382#endif
1383
79072805
LW		 1384#ifdef ff_next
1385# undef ff_next
352d5a3a
LW		 1386#endif
1387
a0d0e21e 1388#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1389# define SLOPPYDIVIDE
1390#endif
1391
748a9306
LW		 1392#ifdef UV
1393#undef UV
1394#endif
1395
c89df6bf
JH		 1396#ifdef SPRINTF_E_BUG
1397# define sprintf UTS_sprintf_wrap
1398#endif
1399
c495e728
JH		 1400/* Configure gets this right but the UTS compiler gets it wrong.
1401 -- Hal Morris <hom00@utsglobal.com> */
1402#ifdef UTS
1403# undef UVTYPE
1404# define UVTYPE unsigned
1405#endif
1406
05f13f53 1407/*
27d4fb96 1408 The IV type is supposed to be long enough to hold any integral
1409 value or a pointer.
1410 --Andy Dougherty August 1996
1411*/
1412
a22e52b9
JH		 1413typedef IVTYPE IV;
1414typedef UVTYPE UV;
8175356b 1415
10cc9d2a 1416#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1417# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1418# define IV_MAX INT64_MAX
1419# define IV_MIN INT64_MIN
1420# define UV_MAX UINT64_MAX
cae7ae48
JH		 1421# ifndef UINT64_MIN
1422# define UINT64_MIN 0
1423# endif
5ff3f7a4
GS		 1424# define UV_MIN UINT64_MIN
1425# else
1426# define IV_MAX PERL_QUAD_MAX
1427# define IV_MIN PERL_QUAD_MIN
1428# define UV_MAX PERL_UQUAD_MAX
1429# define UV_MIN PERL_UQUAD_MIN
1430# endif
cf2093f6
JH		 1431# define IV_IS_QUAD
1432# define UV_IS_QUAD
79072805 1433#else
8175356b 1434# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1435# define IV_MAX INT32_MAX
1436# define IV_MIN INT32_MIN
716026f9
DL		 1437# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1438# define UV_MAX UINT32_MAX
1439# else
1440# define UV_MAX 4294967295U
1441# endif
cae7ae48
JH		 1442# ifndef UINT32_MIN
1443# define UINT32_MIN 0
1444# endif
5ff3f7a4
GS		 1445# define UV_MIN UINT32_MIN
1446# else
1447# define IV_MAX PERL_LONG_MAX
1448# define IV_MIN PERL_LONG_MIN
1449# define UV_MAX PERL_ULONG_MAX
1450# define UV_MIN PERL_ULONG_MIN
1451# endif
8175356b 1452# if IVSIZE == 8
cf2093f6
JH		 1453# define IV_IS_QUAD
1454# define UV_IS_QUAD
de1c2614
JH		 1455# ifndef HAS_QUAD
1456# define HAS_QUAD
1457# endif
cf2093f6
JH		 1458# else
1459# undef IV_IS_QUAD
1460# undef UV_IS_QUAD
de1c2614 1461# undef HAS_QUAD
cf2093f6 1462# endif
79072805 1463#endif
d7d93a81 1464
1109a392
MHM		 1465#ifndef HAS_QUAD
1466# undef PERL_NEED_MY_HTOLE64
1467# undef PERL_NEED_MY_LETOH64
1468# undef PERL_NEED_MY_HTOBE64
1469# undef PERL_NEED_MY_BETOH64
1470#endif
1471
6cde8aec 1472#if defined(uts) || defined(UTS)
11afe549
HM		 1473# undef UV_MAX
1474# define UV_MAX (4294967295u)
20601011
JH		 1475#endif
1476
cae7ae48 1477#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1478#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1479
28e5dec8 1480#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1481#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1482#endif
1483
d460ef45 1484/*
26bb67e2
JH		 1485 * The macros INT2PTR and NUM2PTR are (despite their names)
1486 * bi-directional: they will convert int/float to or from pointers.
1487 * However the conversion to int/float are named explicitly:
1488 * PTR2IV, PTR2UV, PTR2NV.
1489 *
1490 * For int conversions we do not need two casts if pointers are
1491 * the same size as IV and UV. Otherwise we need an explicit
1492 * cast (PTRV) to avoid compiler warnings.
1493 */
56431972
RB		 1494#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1495# define PTRV UV
1496# define INT2PTR(any,d) (any)(d)
1497#else
d460ef45 1498# if PTRSIZE == LONGSIZE
56431972 1499# define PTRV unsigned long
42718184 1500# else
56431972 1501# define PTRV unsigned
42718184 1502# endif
56431972 1503# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1504#endif
56431972
RB		 1505#define NUM2PTR(any,d) (any)(PTRV)(d)
1506#define PTR2IV(p) INT2PTR(IV,p)
1507#define PTR2UV(p) INT2PTR(UV,p)
1508#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1509#if PTRSIZE == LONGSIZE
d2560b70
RB		 1510# define PTR2ul(p) (unsigned long)(p)
1511#else
1512# define PTR2ul(p) INT2PTR(unsigned long,p)
1513#endif
d460ef45 1514
8141890a
JH		 1515/* According to strict ANSI C89 one cannot freely cast between
1516 * data pointers and function (code) pointers. There are at least
1517 * two ways around this. One (used below) is to do two casts,
1518 * first the other pointer to an (unsigned) integer, and then
1519 * the integer to the other pointer. The other way would be
1520 * to use unions to "overlay" the pointers. For an example of
1521 * the latter technique, see union dirpu in struct xpvio in sv.h.
1522 * The only feasible use is probably temporarily storing
1523 * function pointers in a data pointer (such as a void pointer). */
1524
3fbfee08
RB		 1525#define DPTR2FPTR(t,p) ((t)(PTRV)(p)) /* data pointer to function pointer */
1526#define FPTR2DPTR(t,p) ((t)(PTRV)(p)) /* function pointer to data pointer */
8141890a 1527
65202027 1528#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1529# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1530# define LONG_DOUBLE_EQUALS_DOUBLE
1531# endif
68d4903c 1532# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1533# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1534# endif
1535#endif
1536
2d4389e4
JH		 1537#ifdef OVR_DBL_DIG
1538/* Use an overridden DBL_DIG */
1539# ifdef DBL_DIG
1540# undef DBL_DIG
1541# endif
1542# define DBL_DIG OVR_DBL_DIG
1543#else
1544/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1545 default value for printing floating point numbers in Gconvert
1546 (see config.h). (It also has other uses, such as figuring out if
1547 a given precision of printing can be done with a double instead of
1548 a long double - Allen).
2d4389e4
JH		 1549*/
1550#ifdef I_LIMITS
1551#include <limits.h>
1552#endif
1553#ifdef I_FLOAT
1554#include <float.h>
1555#endif
1556#ifndef HAS_DBL_DIG
1557#define DBL_DIG 15 /* A guess that works lots of places */
1558#endif
1559#endif
cbca01e1
JH		 1560#ifdef I_FLOAT
1561#include <float.h>
1562#endif
1563#ifndef HAS_DBL_DIG
1564#define DBL_DIG 15 /* A guess that works lots of places */
1565#endif
2d4389e4
JH		 1566
1567#ifdef OVR_LDBL_DIG
1568/* Use an overridden LDBL_DIG */
1569# ifdef LDBL_DIG
1570# undef LDBL_DIG
1571# endif
1572# define LDBL_DIG OVR_LDBL_DIG
1573#else
1574/* The following is all to get LDBL_DIG, in order to pick a nice
1575 default value for printing floating point numbers in Gconvert.
1576 (see config.h)
1577*/
68d4903c
JH		 1578# ifdef I_LIMITS
1579# include <limits.h>
1580# endif
1581# ifdef I_FLOAT
1582# include <float.h>
1583# endif
1584# ifndef HAS_LDBL_DIG
1585# if LONG_DOUBLESIZE == 10
1586# define LDBL_DIG 18 /* assume IEEE */
1587# else
1588# if LONG_DOUBLESIZE == 12
1589# define LDBL_DIG 18 /* gcc? */
1590# else
1591# if LONG_DOUBLESIZE == 16
1592# define LDBL_DIG 33 /* assume IEEE */
1593# else
1594# if LONG_DOUBLESIZE == DOUBLESIZE
1595# define LDBL_DIG DBL_DIG /* bummer */
1596# endif
1597# endif
1598# endif
1599# endif
1600# endif
2d4389e4
JH		 1601#endif
1602
20f6aaab
AS		 1603/*
1604 * This is for making sure we have a good DBL_MAX value, if possible,
1605 * either for usage as NV_MAX or for usage in figuring out if we can
1606 * fit a given long double into a double, if bug-fixing makes it
1607 * necessary to do so. - Allen <allens@cpan.org>
1608 */
1609
205f51d8
AS		 1610#ifdef I_LIMITS
1611# include <limits.h>
20f6aaab
AS		 1612#endif
1613
205f51d8
AS		 1614#ifdef I_VALUES
1615# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1616# include <values.h>
1617# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1618# define DBL_MAX MAXDOUBLE
1619# endif
1620# if defined(MINDOUBLE) && !defined(DBL_MIN)
1621# define DBL_MIN MINDOUBLE
1622# endif
1623# endif
1624#endif /* defined(I_VALUES) */
1625
a22e52b9 1626typedef NVTYPE NV;
8175356b 1627
792d8dab
JH		 1628#ifdef I_IEEEFP
1629# include <ieeefp.h>
1630#endif
923fc586 1631
65202027 1632#ifdef USE_LONG_DOUBLE
923fc586
JH		 1633# ifdef I_SUNMATH
1634# include <sunmath.h>
1635# endif
2d4389e4 1636# define NV_DIG LDBL_DIG
d6c14000
JH		 1637# ifdef LDBL_MANT_DIG
1638# define NV_MANT_DIG LDBL_MANT_DIG
1639# endif
06fc1729
JH		 1640# ifdef LDBL_MIN
1641# define NV_MIN LDBL_MIN
1642# endif
1643# ifdef LDBL_MAX
1644# define NV_MAX LDBL_MAX
1645# endif
1646# ifdef LDBL_MIN_10_EXP
1647# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1648# endif
1649# ifdef LDBL_MAX_10_EXP
1650# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1651# endif
1652# ifdef LDBL_EPSILON
1653# define NV_EPSILON LDBL_EPSILON
1654# endif
f4a14a62
JH		 1655# ifdef LDBL_MAX
1656# define NV_MAX LDBL_MAX
20f6aaab 1657/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1658# else
1659# ifdef HUGE_VALL
1660# define NV_MAX HUGE_VALL
1661# else
1662# ifdef HUGE_VAL
1663# define NV_MAX ((NV)HUGE_VAL)
1664# endif
1665# endif
1666# endif
68d4903c 1667# ifdef HAS_SQRTL
68d4903c
JH		 1668# define Perl_cos cosl
1669# define Perl_sin sinl
1670# define Perl_sqrt sqrtl
1671# define Perl_exp expl
1672# define Perl_log logl
1673# define Perl_atan2 atan2l
1674# define Perl_pow powl
1675# define Perl_floor floorl
1bbae031 1676# define Perl_ceil ceill
68d4903c
JH		 1677# define Perl_fmod fmodl
1678# endif
a3540c92
JH		 1679/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1680# ifdef HAS_MODFL
1681# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1682/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1683 prototype in <math.h> */
1684# ifndef HAS_MODFL_PROTO
a221a8a5 1685EXTERN_C long double modfl(long double, long double *);
51997bc3 1686# endif
03476e8e
JH		 1687# else
1688# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1689 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1690# define Perl_modf(x,y) Perl_my_modfl(x,y)
1691# endif
a3540c92
JH		 1692# endif
1693# ifdef HAS_FREXPL
dff3e0b8 1694# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1695# else
1696# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1697 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1698# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1699# endif
a3540c92 1700# endif
38dbb4c5 1701# ifndef Perl_isnan
758a5d79
JH		 1702# ifdef HAS_ISNANL
1703# define Perl_isnan(x) isnanl(x)
1704# endif
1705# endif
1706# ifndef Perl_isinf
1707# ifdef HAS_FINITEL
1708# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1709# endif
1710# endif
65202027 1711#else
2d4389e4 1712# define NV_DIG DBL_DIG
d6c14000
JH		 1713# ifdef DBL_MANT_DIG
1714# define NV_MANT_DIG DBL_MANT_DIG
1715# endif
06fc1729
JH		 1716# ifdef DBL_MIN
1717# define NV_MIN DBL_MIN
1718# endif
1719# ifdef DBL_MAX
1720# define NV_MAX DBL_MAX
1721# endif
1722# ifdef DBL_MIN_10_EXP
1723# define NV_MIN_10_EXP DBL_MIN_10_EXP
1724# endif
1725# ifdef DBL_MAX_10_EXP
1726# define NV_MAX_10_EXP DBL_MAX_10_EXP
1727# endif
1728# ifdef DBL_EPSILON
1729# define NV_EPSILON DBL_EPSILON
1730# endif
205f51d8 1731# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1732# define NV_MAX DBL_MAX
1733# define NV_MIN DBL_MIN
1734# else
1735# ifdef HUGE_VAL
1736# define NV_MAX HUGE_VAL
1737# endif
1738# endif
65202027
DS		 1739# define Perl_cos cos
1740# define Perl_sin sin
1741# define Perl_sqrt sqrt
1742# define Perl_exp exp
1743# define Perl_log log
1744# define Perl_atan2 atan2
1745# define Perl_pow pow
1746# define Perl_floor floor
1bbae031 1747# define Perl_ceil ceil
65202027 1748# define Perl_fmod fmod
a3540c92 1749# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1750# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1751#endif
1752
1753/* rumor has it that Win32 has _fpclass() */
1754
205f51d8
AS		 1755/* SGI has fpclassl... but not with the same result values,
1756 * and it's via a typedef (not via #define), so will need to redo Configure
1757 * to use. Not worth the trouble, IMO, at least until the below is used
1758 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1759 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1760 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1761
758a5d79
JH		 1762#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1763# ifdef I_IEEFP
1764# include <ieeefp.h>
1765# endif
1766# ifdef I_FP
1767# include <fp.h>
1768# endif
1769# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1770# define Perl_fp_class() fpclassl(x)
1771# else
1772# define Perl_fp_class() fpclass(x)
1773# endif
1774# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1775# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1776# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1777# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1778# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1779# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1780# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1781# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1782# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1783# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1784# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1785# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1786# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1787# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1788# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1789#endif
1790
7114a2d2 1791#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1792# include <math.h>
1793# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1794# include <fp_class.h>
1795# endif
1796# define Perl_fp_class(x) fp_class(x)
1797# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1798# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1799# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1800# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1801# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1802# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1803# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1804# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1805# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1806# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1807# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1808# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1809# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1810# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1811# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1812#endif
1813
1814#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1815# include <math.h>
1816# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1817# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1818# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1819# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1820# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1821# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1822#endif
1823
1824#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1825# include <math.h>
1826# ifndef _cplusplus
1827# define Perl_fp_class(x) class(x)
1828# else
1829# define Perl_fp_class(x) _class(x)
1830# endif
1831# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1832# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1833# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1834# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1835# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1836# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1837# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1838# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1839# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1840# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1841# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1842# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1843# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1844# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1845# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1846#endif
1847
1848/* rumor has it that Win32 has _isnan() */
1849
1850#ifndef Perl_isnan
a3540c92 1851# ifdef HAS_ISNAN
758a5d79
JH		 1852# define Perl_isnan(x) isnan((NV)x)
1853# else
1854# ifdef Perl_fp_class_nan
1855# define Perl_isnan(x) Perl_fp_class_nan(x)
1856# else
1857# ifdef HAS_UNORDERED
1858# define Perl_isnan(x) unordered((x), 0.0)
1859# else
1860# define Perl_isnan(x) ((x)!=(x))
1861# endif
1862# endif
1863# endif
1864#endif
1865
ca6c63e1
JH		 1866#ifdef UNDER_CE
1867int isnan(double d);
1868#endif
1869
758a5d79
JH		 1870#ifndef Perl_isinf
1871# ifdef HAS_ISINF
1872# define Perl_isinf(x) isinf((NV)x)
a3540c92 1873# else
758a5d79
JH		 1874# ifdef Perl_fp_class_inf
1875# define Perl_isinf(x) Perl_fp_class_inf(x)
1876# else
1877# define Perl_isinf(x) ((x)==NV_INF)
1878# endif
1879# endif
1880#endif
1881
1882#ifndef Perl_isfinite
1883# ifdef HAS_FINITE
1884# define Perl_isfinite(x) finite((NV)x)
1885# else
1886# ifdef HAS_ISFINITE
1887# define Perl_isfinite(x) isfinite(x)
1888# else
1889# ifdef Perl_fp_class_finite
1890# define Perl_isfinite(x) Perl_fp_class_finite(x)
1891# else
1892# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1893# endif
1894# endif
a3540c92 1895# endif
65202027
DS		 1896#endif
1897
a36244b7
JH		 1898/* The default is to use Perl's own atof() implementation (in numeric.c).
1899 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1900 * it is however best to use the native implementation of atof.
1901 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1902 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1903 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1904 * you may need to be using a different function than atof! */
a36244b7
JH		 1905
1906#ifndef USE_PERL_ATOF
1907# ifndef _UNICOS
1908# define USE_PERL_ATOF
1909# endif
1910#else
1911# if USE_PERL_ATOF == 0
1912# undef USE_PERL_ATOF
1913# endif
1914#endif
1915
1916#ifdef USE_PERL_ATOF
1917# define Perl_atof(s) Perl_my_atof(s)
1918# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1919#else
1920# define Perl_atof(s) (NV)atof(s)
1921# define Perl_atof2(s, n) ((n) = atof(s))
1922#endif
cf2093f6 1923
d460ef45 1924/* Previously these definitions used hardcoded figures.
760ac839
LW		 1925 * It is hoped these formula are more portable, although
1926 * no data one way or another is presently known to me.
1927 * The "PERL_" names are used because these calculated constants
1928 * do not meet the ANSI requirements for LONG_MAX, etc., which
1929 * need to be constants acceptable to #if - kja
1930 * define PERL_LONG_MAX 2147483647L
1931 * define PERL_LONG_MIN (-LONG_MAX - 1)
1932 * define PERL ULONG_MAX 4294967295L
1933 */
1934
1935#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1936# include <limits.h>
760ac839 1937#endif
205f51d8
AS		 1938/* Included values.h above if necessary; still including limits.h down here,
1939 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1940
99abf803 1941/*
1942 * Try to figure out max and min values for the integral types. THE CORRECT
1943 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1944 * following hacks are used if neither limits.h or values.h provide them:
1945 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1946 * for types < int: (unsigned TYPE)~(unsigned)0
1947 * The argument to ~ must be unsigned so that later signed->unsigned
1948 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1949 * and it must not be smaller than int because ~ does integral promotion.
1950 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1951 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1952 * The latter is a hack which happens to work on some machines but
1953 * does *not* catch any random system, or things like integer types
1954 * with NaN if that is possible.
1955 *
1956 * All of the types are explicitly cast to prevent accidental loss of
1957 * numeric range, and in the hope that they will be less likely to confuse
1958 * over-eager optimizers.
1959 *
1960 */
27d4fb96 1961
99abf803 1962#define PERL_UCHAR_MIN ((unsigned char)0)
1963
1964#ifdef UCHAR_MAX
1965# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1966#else
99abf803 1967# ifdef MAXUCHAR
1968# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1969# else
99abf803 1970# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1971# endif
1972#endif
d460ef45 1973
99abf803 1974/*
1975 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1976 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1977 * depending on local options. Until Configure detects this (or at least
1978 * detects whether the "signed" keyword is available) the CHAR ranges
1979 * will not be included. UCHAR functions normally.
1980 * - kja
1981 */
27d4fb96 1982
99abf803 1983#define PERL_USHORT_MIN ((unsigned short)0)
1984
1985#ifdef USHORT_MAX
1986# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1987#else
99abf803 1988# ifdef MAXUSHORT
1989# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1990# else
ef2f54b0
CB		 1991# ifdef USHRT_MAX
1992# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1993# else
1994# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1995# endif
27d4fb96 1996# endif
1997#endif
1998
27d4fb96 1999#ifdef SHORT_MAX
99abf803 2000# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 2001#else
2002# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 2003# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 2004# else
ef2f54b0
CB		 2005# ifdef SHRT_MAX
2006# define PERL_SHORT_MAX ((short)SHRT_MAX)
2007# else
2008# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
2009# endif
27d4fb96 2010# endif
2011#endif
2012
2013#ifdef SHORT_MIN
99abf803 2014# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 2015#else
2016# ifdef MINSHORT
99abf803 2017# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 2018# else
ef2f54b0
CB		 2019# ifdef SHRT_MIN
2020# define PERL_SHORT_MIN ((short)SHRT_MIN)
2021# else
2022# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
2023# endif
27d4fb96 2024# endif
2025#endif
2026
99abf803 2027#ifdef UINT_MAX
2028# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 2029#else
99abf803 2030# ifdef MAXUINT
2031# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 2032# else
99abf803 2033# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 2034# endif
2035#endif
2036
99abf803 2037#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 2038
2039#ifdef INT_MAX
99abf803 2040# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 2041#else
2042# ifdef MAXINT /* Often used in <values.h> */
99abf803 2043# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 2044# else
99abf803 2045# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 2046# endif
2047#endif
2048
2049#ifdef INT_MIN
99abf803 2050# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 2051#else
2052# ifdef MININT
99abf803 2053# define PERL_INT_MIN ((int)MININT)
27d4fb96 2054# else
2055# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2056# endif
2057#endif
2058
99abf803 2059#ifdef ULONG_MAX
2060# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 2061#else
99abf803 2062# ifdef MAXULONG
2063# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 2064# else
99abf803 2065# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 2066# endif
2067#endif
2068
99abf803 2069#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 2070
760ac839 2071#ifdef LONG_MAX
99abf803 2072# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 2073#else
2074# ifdef MAXLONG /* Often used in <values.h> */
99abf803 2075# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 2076# else
99abf803 2077# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 2078# endif
2079#endif
2080
2081#ifdef LONG_MIN
99abf803 2082# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 2083#else
2084# ifdef MINLONG
99abf803 2085# define PERL_LONG_MIN ((long)MINLONG)
760ac839 2086# else
27d4fb96 2087# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 2088# endif
2089#endif
2090
d7d93a81 2091#ifdef UV_IS_QUAD
99abf803 2092
99abf803 2093# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 2094# define PERL_UQUAD_MIN ((UV)0)
99abf803 2095# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 2096# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 2097
79072805
LW		 2098#endif
2099
22f7c9c9
JH		 2100#ifdef MYMALLOC
2101# include "malloc_ctl.h"
2102#endif
2103
830247a4 2104struct RExC_state_t;
880b20b6 2105
ee0007ab 2106typedef MEM_SIZE STRLEN;
450a55e4 2107
79072805
LW		 2108typedef struct op OP;
2109typedef struct cop COP;
2110typedef struct unop UNOP;
2111typedef struct binop BINOP;
2112typedef struct listop LISTOP;
2113typedef struct logop LOGOP;
79072805
LW		 2114typedef struct pmop PMOP;
2115typedef struct svop SVOP;
7934575e 2116typedef struct padop PADOP;
79072805 2117typedef struct pvop PVOP;
79072805
LW		 2118typedef struct loop LOOP;
2119
93a17b20 2120typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 2121
2122/* Amdahl's <ksync.h> has struct sv */
2123/* SGI's <sys/sema.h> has struct sv */
2124#if defined(UTS) || defined(__sgi)
2125# define STRUCT_SV perl_sv
b8d3c5db
JH		 2126#else
2127# define STRUCT_SV sv
2128#endif
2129typedef struct STRUCT_SV SV;
79072805
LW		 2130typedef struct av AV;
2131typedef struct hv HV;
2132typedef struct cv CV;
378cc40b 2133typedef struct regexp REGEXP;
79072805 2134typedef struct gp GP;
0c30d9ec 2135typedef struct gv GV;
8990e307 2136typedef struct io IO;
c09156bb 2137typedef struct context PERL_CONTEXT;
79072805
LW		 2138typedef struct block BLOCK;
2139
2140typedef struct magic MAGIC;
2141typedef struct xpv XPV;
2142typedef struct xpviv XPVIV;
ff68c719 2143typedef struct xpvuv XPVUV;
79072805
LW		 2144typedef struct xpvnv XPVNV;
2145typedef struct xpvmg XPVMG;
2146typedef struct xpvlv XPVLV;
2147typedef struct xpvav XPVAV;
2148typedef struct xpvhv XPVHV;
2149typedef struct xpvgv XPVGV;
2150typedef struct xpvcv XPVCV;
2151typedef struct xpvbm XPVBM;
2152typedef struct xpvfm XPVFM;
8990e307 2153typedef struct xpvio XPVIO;
79072805
LW		 2154typedef struct mgvtbl MGVTBL;
2155typedef union any ANY;
5f7fde29
GS		 2156typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2157typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 2158typedef struct clone_params CLONE_PARAMS;
2159
378cc40b 2160#include "handy.h"
a0d0e21e 2161
6b8eaf93 2162#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 2163# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2164# define USE_64_BIT_RAWIO /* implicit */
2165# endif
4564133c
JH		 2166#endif
2167
6b8eaf93
JH		 2168/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2169 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2170 * however, because operating systems like to do that themself. */
2171#ifndef FSEEKSIZE
2172# ifdef HAS_FSEEKO
2173# define FSEEKSIZE LSEEKSIZE
2174# else
2175# define FSEEKSIZE LONGSIZE
d460ef45 2176# endif
6b8eaf93
JH		 2177#endif
2178
2179#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 2180# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2181# define USE_64_BIT_STDIO /* implicit */
2182# endif
2183#endif
4564133c 2184
09458382 2185#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 2186# ifdef HAS_OFF64_T
2187# undef Off_t
2188# define Off_t off64_t
2189# undef LSEEKSIZE
2190# define LSEEKSIZE 8
5ff3f7a4 2191# endif
d9b3e12d
JH		 2192/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2193 * will trigger defines like the ones below. Some 64-bit environments,
09458382 2194 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 2195# if defined(USE_OPEN64)
2196# define open open64
5ff3f7a4 2197# endif
d9b3e12d
JH		 2198# if defined(USE_LSEEK64)
2199# define lseek lseek64
6b8eaf93
JH		 2200# else
2201# if defined(USE_LLSEEK)
2202# define lseek llseek
2203# endif
d9b3e12d
JH		 2204# endif
2205# if defined(USE_STAT64)
2206# define stat stat64
2207# endif
2208# if defined(USE_FSTAT64)
2209# define fstat fstat64
2210# endif
2211# if defined(USE_LSTAT64)
2212# define lstat lstat64
2213# endif
2214# if defined(USE_FLOCK64)
2215# define flock flock64
2216# endif
2217# if defined(USE_LOCKF64)
2218# define lockf lockf64
2219# endif
2220# if defined(USE_FCNTL64)
2221# define fcntl fcntl64
2222# endif
2223# if defined(USE_TRUNCATE64)
2224# define truncate truncate64
2225# endif
2226# if defined(USE_FTRUNCATE64)
2227# define ftruncate ftruncate64
2228# endif
2229#endif
2230
2231#ifdef USE_64_BIT_STDIO
2232# ifdef HAS_FPOS64_T
2233# undef Fpos_t
2234# define Fpos_t fpos64_t
2235# endif
2236/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2237 * will trigger defines like the ones below. Some 64-bit environments,
2238 * however, do not. */
2239# if defined(USE_FOPEN64)
2240# define fopen fopen64
2241# endif
2242# if defined(USE_FSEEK64)
6b8eaf93 2243# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 2244# endif
2245# if defined(USE_FTELL64)
6b8eaf93 2246# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 2247# endif
2248# if defined(USE_FSETPOS64)
2249# define fsetpos fsetpos64
2250# endif
2251# if defined(USE_FGETPOS64)
2252# define fgetpos fgetpos64
2253# endif
2254# if defined(USE_TMPFILE64)
2255# define tmpfile tmpfile64
2256# endif
2257# if defined(USE_FREOPEN64)
2258# define freopen freopen64
5ff3f7a4
GS		 2259# endif
2260#endif
2261
af8b425d 2262#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2263# include "iperlsys.h"
2264#endif
2265
6f71a643 2266#if defined(__OPEN_VM)
19848b3f
JH		 2267# include "vmesa/vmesaish.h"
2268# define ISHISH "vmesa"
6f71a643
JH		 2269#endif
2270
748a9306 2271#ifdef DOSISH
19848b3f
JH		 2272# if defined(OS2)
2273# include "os2ish.h"
2274# else
2275# include "dosish.h"
2276# endif
2277# define ISHISH "dos"
2278#endif
2279
2280#if defined(VMS)
748a9306 2281# include "vmsish.h"
96e176bf 2282# include "embed.h"
19848b3f
JH		 2283# define ISHISH "vms"
2284#endif
2285
2286#if defined(PLAN9)
2287# include "./plan9/plan9ish.h"
2288# define ISHISH "plan9"
2289#endif
2290
2291#if defined(MPE)
2292# include "mpeix/mpeixish.h"
2293# define ISHISH "mpeix"
2294#endif
2295
2296#if defined(__VOS__)
196918b0
PG		 2297# ifdef __GNUC__
2298# include "./vos/vosish.h"
2299# else
2300# include "vos/vosish.h"
2301# endif
19848b3f
JH		 2302# define ISHISH "vos"
2303#endif
2304
2305#if defined(EPOC)
2306# include "epocish.h"
2307# define ISHISH "epoc"
2308#endif
2309
27da23d5
JH		 2310#ifdef SYMBIAN
2311# include "symbian/symbianish.h"
2312# include "embed.h"
2313# define ISHISH "symbian"
2314#endif
2315
19848b3f
JH		 2316#if defined(MACOS_TRADITIONAL)
2317# include "macos/macish.h"
2318# ifndef NO_ENVIRON_ARRAY
2319# define NO_ENVIRON_ARRAY
0c30d9ec 2320# endif
19848b3f
JH		 2321# define ISHISH "macos classic"
2322#endif
2323
efca5cc6
JH		 2324#if defined(__BEOS__)
2325# include "beos/beosish.h"
2326# define ISHISH "beos"
2327#endif
2328
19848b3f
JH		 2329#ifndef ISHISH
2330# include "unixish.h"
2331# define ISHISH "unix"
13b6e58c
JH		 2332#endif
2333
2334#ifndef NO_ENVIRON_ARRAY
2335# define USE_ENVIRON_ARRAY
2336#endif
32f822de 2337
c77b533b
JH		 2338/*
2339 * initialise to avoid floating-point exceptions from overflow, etc
2340 */
2341#ifndef PERL_FPU_INIT
2342# ifdef HAS_FPSETMASK
2343# if HAS_FLOATINGPOINT_H
2344# include <floatingpoint.h>
2345# endif
2346# define PERL_FPU_INIT fpsetmask(0);
c77b533b 2347# else
2f42fcb0 2348# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
fbb56369 2349# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 2350# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2351# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 2352# else
2353# define PERL_FPU_INIT
2f42fcb0 2354
7014c407 2355# endif
c77b533b
JH		 2356# endif
2357#endif
b35112e7
CS		 2358#ifndef PERL_FPU_PRE_EXEC
2359# define PERL_FPU_PRE_EXEC {
2360# define PERL_FPU_POST_EXEC }
2361#endif
c77b533b 2362
ed344e4f
IZ		 2363#ifndef PERL_SYS_INIT3
2364# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2365#endif
2366
be708cc0
JH		 2367#ifndef PERL_WRITE_MSG_TO_CONSOLE
2368# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2369#endif
2370
0f31cffe
GS		 2371#ifndef MAXPATHLEN
2372# ifdef PATH_MAX
b990c8b2
JH		 2373# ifdef _POSIX_PATH_MAX
2374# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 2375/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2376 * included the null byte or not. Later amendments of POSIX,
2377 * XPG4, the Austin Group, and the Single UNIX Specification
2378 * all explicitly include the null byte in the PATH_MAX.
2379 * Ditto for _POSIX_PATH_MAX. */
2380# define MAXPATHLEN PATH_MAX
b990c8b2 2381# else
09448d78 2382# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2383# endif
2384# else
2385# define MAXPATHLEN (PATH_MAX+1)
2386# endif
0f31cffe 2387# else
b990c8b2 2388# ifdef _POSIX_PATH_MAX
09448d78 2389# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2390# else
2391# define MAXPATHLEN 1024 /* Err on the large side. */
2392# endif
0f31cffe
GS		 2393# endif
2394#endif
2395
c80263a8
SH		 2396/* In case Configure was not used (we are using a "canned config"
2397 * such as Win32, or a cross-compilation setup, for example) try going
2398 * by the gcc major and minor versions. One useful URL is
2399 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2400 * but contrary to this information warn_unused_result seems
2401 * not to be in gcc 3.3.5, at least. --jhi
2402 * Set these up now otherwise we get confused when some of the <*thread.h>
2403 * includes below indirectly pull in <perlio.h> (which needs to know if we
2404 * have HASATTRIBUTE_FORMAT).
2405 */
2406
2407#if defined __GNUC__
2408# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2409# define HASATTRIBUTE_FORMAT
2410# endif
2411# if __GNUC__ >= 3 /* 3.0 -> */
2412# define HASATTRIBUTE_MALLOC
2413# endif
2414# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2415# define HASATTRIBUTE_NONNULL
2416# endif
2417# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2418# define HASATTRIBUTE_NORETURN
2419# endif
2420# if __GNUC__ >= 3 /* gcc 3.0 -> */
2421# define HASATTRIBUTE_PURE
2422# endif
2423# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2424# define HASATTRIBUTE_UNUSED
2425# endif
2426# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2427# define HASATTRIBUTE_WARN_UNUSED_RESULT
2428# endif
2429#endif
2430
3db8f154 2431/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2432 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2433 * this results in many functions being undeclared which bothers C++
2434 * May make sense to have threads after "*ish.h" anyway
2435 */
2436
3db8f154 2437#if defined(USE_ITHREADS)
2986a63f
JH		 2438# ifdef NETWARE
2439# include <nw5thread.h>
2440# else
32f822de
GS		 2441# ifdef FAKE_THREADS
2442# include "fakethr.h"
2443# else
2444# ifdef WIN32
2445# include <win32thread.h>
2446# else
dd96f567
IZ		 2447# ifdef OS2
2448# include "os2thread.h"
2449# else
7f3d1cf1 2450# ifdef I_MACH_CTHREADS
bdd66968 2451# include <mach/cthreads.h>
8f1f23e8 2452# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2453# define MUTEX_INIT_CALLS_MALLOC
2454# endif
7f3d1cf1
BH		 2455typedef cthread_t perl_os_thread;
2456typedef mutex_t perl_mutex;
2457typedef condition_t perl_cond;
2458typedef void * perl_key;
2459# else /* Posix threads */
1f5ae88c
JH		 2460# ifdef I_PTHREAD
2461# include <pthread.h>
2462# endif
7f3d1cf1
BH		 2463typedef pthread_t perl_os_thread;
2464typedef pthread_mutex_t perl_mutex;
2465typedef pthread_cond_t perl_cond;
2466typedef pthread_key_t perl_key;
2467# endif /* I_MACH_CTHREADS */
dd96f567 2468# endif /* OS2 */
32f822de
GS		 2469# endif /* WIN32 */
2470# endif /* FAKE_THREADS */
2986a63f 2471#endif /* NETWARE */
3db8f154 2472#endif /* USE_ITHREADS */
c5be433b 2473
66a93824 2474#if defined(WIN32)
1feb2720 2475# include "win32.h"
c5be433b
GS		 2476#endif
2477
2986a63f
JH		 2478#ifdef NETWARE
2479# include "netware.h"
2480#endif
2481
e5218da5 2482#define STATUS_UNIX PL_statusvalue
68dc0745 2483#ifdef VMS
6b88bc9c 2484# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2485# define STATUS_NATIVE_EXPORT \
d98f61e7 2486 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2487# define STATUS_NATIVE_SET(n) \
2488 STMT_START { \
6b88bc9c
GS		 2489 PL_statusvalue_vms = (n); \
2490 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2491 PL_statusvalue = -1; \
6b88bc9c 2492 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2493 PL_statusvalue = 0; \
6b88bc9c
GS		 2494 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2495 PL_statusvalue = 1 << 8; \
68dc0745 2496 else \
6b88bc9c 2497 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2498 } STMT_END
68dc0745 2499# ifdef VMSISH_STATUS
e5218da5 2500# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_UNIX)
68dc0745 2501# else
e5218da5 2502# define STATUS_CURRENT STATUS_UNIX
68dc0745 2503# endif
e5218da5 2504# define STATUS_UNIX_SET(n) \
68dc0745 2505 STMT_START { \
3280af22
NIS		 2506 PL_statusvalue = (n); \
2507 if (PL_statusvalue != -1) { \
2508 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2509 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2510 } \
6b88bc9c 2511 else PL_statusvalue_vms = -1; \
68dc0745 2512 } STMT_END
6b88bc9c
GS		 2513# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2514# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2515#else
e5218da5
GA		 2516# define STATUS_NATIVE PL_statusvalue_posix
2517# define STATUS_NATIVE_EXPORT STATUS_NATIVE
2518# if defined(WCOREDUMP)
2519# define STATUS_NATIVE_SET(n) \
2520 STMT_START { \
2521 PL_statusvalue_posix = (n); \
2522 if (PL_statusvalue_posix == -1) \
2523 PL_statusvalue = -1; \
2524 else { \
2525 PL_statusvalue = \
2526 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2527 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0) | \
2528 (WIFSIGNALED(PL_statusvalue_posix) && WCOREDUMP(PL_statusvalue_posix) ? 0x80 : 0); \
2529 } \
2530 } STMT_END
2531# elif defined(WIFEXITED)
2532# define STATUS_NATIVE_SET(n) \
2533 STMT_START { \
2534 PL_statusvalue_posix = (n); \
2535 if (PL_statusvalue_posix == -1) \
2536 PL_statusvalue = -1; \
2537 else { \
2538 PL_statusvalue = \
2539 (WIFEXITED(PL_statusvalue_posix) ? (WEXITSTATUS(PL_statusvalue_posix) << 8) : 0) | \
2540 (WIFSIGNALED(PL_statusvalue_posix) ? (WTERMSIG(PL_statusvalue_posix) & 0x7F) : 0); \
2541 } \
2542 } STMT_END
2543# else
2544# define STATUS_NATIVE_SET(n) \
2545 STMT_START { \
2546 PL_statusvalue_posix = (n); \
2547 if (PL_statusvalue_posix == -1) \
2548 PL_statusvalue = -1; \
2549 else { \
2550 PL_statusvalue = \
2551 PL_statusvalue_posix & 0xFFFF; \
2552 } \
2553 } STMT_END
2554# endif
2555# define STATUS_UNIX_SET(n) \
68dc0745 2556 STMT_START { \
3280af22 2557 PL_statusvalue = (n); \
e5218da5 2558 PL_statusvalue_posix = PL_statusvalue; \
3280af22
NIS		 2559 if (PL_statusvalue != -1) \
2560 PL_statusvalue &= 0xFFFF; \
68dc0745 2561 } STMT_END
e5218da5
GA		 2562# define STATUS_CURRENT STATUS_UNIX
2563# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_posix = 0)
2564# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_posix = 1)
68dc0745 2565#endif
2566
cc3604b1
GS		 2567/* flags in PL_exit_flags for nature of exit() */
2568#define PERL_EXIT_EXPECTED 0x01
31d77e54 2569#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2570
0b94c7bb 2571#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2572# define MEMBER_TO_FPTR(name) name
2573#endif
2574
2575/* format to use for version numbers in file/directory names */
273cf8d1 2576/* XXX move to Configure? */
a7cb1f99 2577#ifndef PERL_FS_VER_FMT
273cf8d1 2578# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2579#endif
2580
45bc9206 2581/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2582 * performance issue, so we allow people to disable it. Also, if
2583 * we are using stdio, there are broken implementations of fflush(NULL)
2584 * out there, Solaris being the most prominent.
45bc9206
GS		 2585 */
2586#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2587# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2588# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2589# else
2590# ifdef FFLUSH_ALL
2591# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2592# else
c5be433b 2593# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2594# endif
66fe083f 2595# endif
45bc9206
GS		 2596#endif
2597
7766f137
GS		 2598#ifndef PERL_WAIT_FOR_CHILDREN
2599# define PERL_WAIT_FOR_CHILDREN NOOP
2600#endif
2601
ba869deb 2602/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2603#ifndef PERL_SET_INTERP
2604# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2605#endif
2606
2607#ifndef PERL_GET_INTERP
2608# define PERL_GET_INTERP (PL_curinterp)
2609#endif
2610
54aff467 2611#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2612# ifdef MULTIPLICITY
ba869deb 2613# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2614# endif
ba869deb
GS		 2615# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2616#endif
2617
0dbb1585
AL		 2618/* This replaces the previous %_ "hack" by the "%-p" hack
2619 All that is required is that the perl source does not
2620 use "%-p" or "%-<number>p" format. These format will
2621 still work in perl code. RMB 2005/05/17
2622*/
894356b3 2623#ifndef SVf
0dbb1585 2624# define SVf "-p"
894356b3
GS		 2625#endif
2626
014ead4b 2627#ifndef SVf_precision
0dbb1585 2628# define SVf_precision(n) "-" n "p"
d2560b70
RB		 2629#endif
2630
014ead4b
RB		 2631#ifndef SVf32
2632# define SVf32 SVf_precision("32")
2633#endif
2634
2635#ifndef SVf256
2636# define SVf256 SVf_precision("256")
2637#endif
2638
2639#ifndef UVf
2640# define UVf UVuf
d2560b70
RB		 2641#endif
2642
5df617be 2643#ifndef DieNull
0dbb1585 2644# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
b3fe4827
RB		 2645#endif
2646
0dbb1585
AL		 2647#ifdef HASATTRIBUTE_FORMAT
2648# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2649#endif
2650#ifdef HASATTRIBUTE_MALLOC
77785eea 2651# define __attribute__malloc__ __attribute__((__malloc__))
f22be1b8 2652#endif
0dbb1585 2653#ifdef HASATTRIBUTE_NONNULL
abb2c242 2654# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
f22be1b8 2655#endif
0dbb1585 2656#ifdef HASATTRIBUTE_NORETURN
abb2c242 2657# define __attribute__noreturn__ __attribute__((noreturn))
f22be1b8 2658#endif
0dbb1585 2659#ifdef HASATTRIBUTE_PURE
abb2c242 2660# define __attribute__pure__ __attribute__((pure))
f22be1b8 2661#endif
0dbb1585
AL		 2662#ifdef HASATTRIBUTE_UNUSED
2663# define __attribute__unused__ __attribute__((unused))
2664#endif
2665#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
abb2c242 2666# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
f22be1b8
JH		 2667#endif
2668
0dbb1585
AL		 2669/* If we haven't defined the attributes yet, define them to blank. */
2670#ifndef __attribute__format__
2671# define __attribute__format__(x,y,z)
2672#endif
f22be1b8 2673#ifndef __attribute__malloc__
abb2c242 2674# define __attribute__malloc__
f22be1b8
JH		 2675#endif
2676#ifndef __attribute__nonnull__
abb2c242 2677# define __attribute__nonnull__(a)
f22be1b8
JH		 2678#endif
2679#ifndef __attribute__noreturn__
abb2c242 2680# define __attribute__noreturn__
f22be1b8
JH		 2681#endif
2682#ifndef __attribute__pure__
abb2c242 2683# define __attribute__pure__
f22be1b8 2684#endif
0dbb1585
AL		 2685#ifndef __attribute__unused__
2686# define __attribute__unused__
2687#endif
f22be1b8 2688#ifndef __attribute__warn_unused_result__
abb2c242
JH		 2689# define __attribute__warn_unused_result__
2690#endif
2691
0dbb1585
AL		 2692/* For functions that are marked as __attribute__noreturn__, it's not
2693 appropriate to call return. In either case, include the lint directive.
2694 */
2695#ifdef HASATTRIBUTE_NORETURN
2696# define NORETURN_FUNCTION_END /* NOT REACHED */
2697#else
2698# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
abb2c242
JH		 2699#endif
2700
3fc1aec6 2701/* Some unistd.h's give a prototype for pause() even though
2702 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2703 below to be rejected by the compiler. Sigh.
3fc1aec6 2704*/
2705#ifdef HAS_PAUSE
2706#define Pause pause
2707#else
2708#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2709#endif
2710
2711#ifndef IOCPARM_LEN
2712# ifdef IOCPARM_MASK
2713 /* on BSDish systes we're safe */
2714# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2715# else
2716 /* otherwise guess at what's safe */
2717# define IOCPARM_LEN(x) 256
2718# endif
a0d0e21e
LW		 2719#endif
2720
1761cee5 2721#if defined(__CYGWIN__)
521e0776
GS		 2722/* USEMYBINMODE
2723 * This symbol, if defined, indicates that the program should
16fe6d59 2724 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2725 * that a file is in "binary" mode -- that is, that no translation
2726 * of bytes occurs on read or write operations.
2727 */
36894f0b 2728# define USEMYBINMODE /**/
77a40698 2729# include <io.h> /* for setmode() prototype */
16fe6d59 2730# define my_binmode(fp, iotype, mode) \
77a40698 2731 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2732#endif
2733
88d10794
JH		 2734#ifdef __CYGWIN__
2735void init_os_extras(void);
2736#endif
2737
cea2e8a9
GS		 2738#ifdef UNION_ANY_DEFINITION
2739UNION_ANY_DEFINITION;
2740#else
2741union any {
2742 void* any_ptr;
2743 I32 any_i32;
2744 IV any_iv;
2745 long any_long;
9febdf04 2746 bool any_bool;
c76ac1ee 2747 void (*any_dptr) (void*);
acfe0abc 2748 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2749};
2750#endif
2751
acfe0abc 2752typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2753
2754#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2755#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2756#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2757
c5078cac
JH		 2758#if defined(_AIX) && !defined(_AIX43)
2759#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2760/* We cannot include <crypt.h> to get the struct crypt_data
2761 * because of setkey prototype problems when threading */
2762typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2763 /* From OSF, Not needed in AIX
2764 char C[28], D[28];
2765 */
2766 char E[48];
2767 char KS[16][48];
2768 char block[66];
2769 char iobuf[16];
2770} CRYPTD;
2771#endif /* threading */
2772#endif /* AIX */
2773
af8b425d 2774#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2775# include "iperlsys.h"
2776#endif
504f80c1 2777
d10dc2ae
JH		 2778/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2779 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2780 * defined by Configure, despite their names being similar to the
2781 * other defines like USE_ITHREADS. Configure in fact knows nothing
2782 * about the randomised hashes. Therefore to enable/disable the hash
2783 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2784#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2785# define USE_HASH_SEED
504f80c1
JH		 2786#endif
2787
378cc40b 2788#include "regexp.h"
79072805 2789#include "sv.h"
378cc40b 2790#include "util.h"
8d063cd8 2791#include "form.h"
79072805 2792#include "gv.h"
dd2155a4 2793#include "pad.h"
79072805 2794#include "cv.h"
abdd5c84 2795#include "opnames.h"
79072805
LW		 2796#include "op.h"
2797#include "cop.h"
2798#include "av.h"
2799#include "hv.h"
2800#include "mg.h"
2801#include "scope.h"
4438c4b7 2802#include "warnings.h"
a0ed51b3 2803#include "utf8.h"
8d063cd8 2804
7fae4e64
GS		 2805/* Current curly descriptor */
2806typedef struct curcur CURCUR;
2807struct curcur {
2808 int parenfloor; /* how far back to strip paren data */
2809 int cur; /* how many instances of scan we've matched */
2810 int min; /* the minimal number of scans to match */
2811 int max; /* the maximal number of scans to match */
2812 int minmod; /* whether to work our way up or down */
2813 regnode * scan; /* the thing to match */
2814 regnode * next; /* what has to match after it */
2815 char * lastloc; /* where we started matching this scan */
2816 CURCUR * oldcc; /* current curly before we started this one */
2817};
2818
2819typedef struct _sublex_info SUBLEXINFO;
2820struct _sublex_info {
2821 I32 super_state; /* lexer state to save */
2822 I32 sub_inwhat; /* "lex_inwhat" to use */
2823 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2824 char *super_bufptr; /* PL_bufptr that was */
2825 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2826};
2827
455ece5e 2828typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2829
2c2d71f5 2830struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2831struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2832
2833typedef I32 CHECKPOINT;
76e3520e 2834
6f51351d
NC		 2835/* Keep next first in this structure, because sv_free_arenas take
2836 advantage of this to share code between the pte arenas and the SV
2837 body arenas */
5f7fde29
GS		 2838struct ptr_tbl_ent {
2839 struct ptr_tbl_ent* next;
53c1dcc0 2840 const void* oldval;
5f7fde29 2841 void* newval;
d18c6117
GS		 2842};
2843
5f7fde29
GS		 2844struct ptr_tbl {
2845 struct ptr_tbl_ent** tbl_ary;
2846 UV tbl_max;
2847 UV tbl_items;
d18c6117
GS		 2848};
2849
450a55e4 2850#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2851# define I286
2852#endif
2853
fe14fcc3
LW		 2854#if defined(htonl) && !defined(HAS_HTONL)
2855#define HAS_HTONL
ae986130 2856#endif
fe14fcc3
LW		 2857#if defined(htons) && !defined(HAS_HTONS)
2858#define HAS_HTONS
ae986130 2859#endif
fe14fcc3
LW		 2860#if defined(ntohl) && !defined(HAS_NTOHL)
2861#define HAS_NTOHL
ae986130 2862#endif
fe14fcc3
LW		 2863#if defined(ntohs) && !defined(HAS_NTOHS)
2864#define HAS_NTOHS
ae986130 2865#endif
fe14fcc3 2866#ifndef HAS_HTONL
d9d8d8de 2867#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2868#define HAS_HTONS
2869#define HAS_HTONL
2870#define HAS_NTOHS
2871#define HAS_NTOHL
a687059c
LW		 2872#define MYSWAP
2873#define htons my_swap
2874#define htonl my_htonl
2875#define ntohs my_swap
2876#define ntohl my_ntohl
2877#endif
2878#else
d9d8d8de 2879#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2880#undef HAS_HTONS
2881#undef HAS_HTONL
2882#undef HAS_NTOHS
2883#undef HAS_NTOHL
a687059c
LW		 2884#endif
2885#endif
2886
988174c1
LW		 2887/*
2888 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2889 * -DWS
2890 */
2891#if BYTEORDER != 0x1234
2892# define HAS_VTOHL
2893# define HAS_VTOHS
2894# define HAS_HTOVL
2895# define HAS_HTOVS
c67712b2 2896# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2897# define vtohl(x) ((((x)&0xFF)<<24) \
2898 +(((x)>>24)&0xFF) \
2899 +(((x)&0x0000FF00)<<8) \
2900 +(((x)&0x00FF0000)>>8) )
2901# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2902# define htovl(x) vtohl(x)
2903# define htovs(x) vtohs(x)
2904# endif
2905 /* otherwise default to functions in util.c */
2a8c3029 2906#ifndef htovs
c623ac67
GS		 2907short htovs(short n);
2908short vtohs(short n);
2909long htovl(long n);
2910long vtohl(long n);
988174c1 2911#endif
2a8c3029 2912#endif
988174c1 2913
3bb7c1b4
JH		 2914/* *MAX Plus 1. A floating point value.
2915 Hopefully expressed in a way that dodgy floating point can't mess up.
2916 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2917 is added to it
2918 May find that some broken compiler will want the value cast to I32.
2919 [after the shift, as signed >> may not be as secure as unsigned >>]
2920*/
2921#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2922#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2923/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2924 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2925 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2926*/
2927#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2928
3bb7c1b4
JH		 2929#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2930#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2931#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2932
2933/* This may look like unnecessary jumping through hoops, but converting
2934 out of range floating point values to integers *is* undefined behaviour,
2935 and it is starting to bite.
2936*/
2937#ifndef CAST_INLINE
65202027 2938#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2939#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2940#define I_V(what) (cast_iv((NV)(what)))
2941#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2942#else
2943#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2944 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2945 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2946#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2947 : ((n) < U32_MAX_P1 ? (U32) (n) \
2948 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2949#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2950 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2951 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2952#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2953 : ((n) < UV_MAX_P1 ? (UV) (n) \
2954 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2955#endif
2956
2957#define U_S(what) ((U16)U_32(what))
2958#define U_I(what) ((unsigned int)U_32(what))
2959#define U_L(what) U_32(what)
ed6116ce 2960
2d4389e4
JH		 2961/* These do not care about the fractional part, only about the range. */
2962#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2963#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2964
25da4f38
IZ		 2965/* Used with UV/IV arguments: */
2966 /* XXXX: need to speed it up */
2967#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2968#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2969
352d5a3a
LW		 2970#ifndef MAXSYSFD
2971# define MAXSYSFD 2
2972#endif
ee0007ab 2973
79072805 2974#ifndef __cplusplus
27da23d5 2975#if !(defined(UNDER_CE) || defined(SYMBIAN))
20ce7b12
GS		 2976Uid_t getuid (void);
2977Uid_t geteuid (void);
2978Gid_t getgid (void);
2979Gid_t getegid (void);
79072805 2980#endif
e1caacb4 2981#endif
8d063cd8 2982
0c30d9ec 2983#ifndef Perl_debug_log
bf49b057
GS		 2984# define Perl_debug_log PerlIO_stderr()
2985#endif
2986
2987#ifndef Perl_error_log
2988# define Perl_error_log (PL_stderrgv \
6b78add2 2989 && isGV(PL_stderrgv) \
01bb7c6d 2990 && GvIOp(PL_stderrgv) \
42de951c 2991 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2992 ? IoOFP(GvIOp(PL_stderrgv)) \
2993 : PerlIO_stderr())
0c30d9ec 2994#endif
3967c732 2995
aea4f609
DM		 2996
2997#define DEBUG_p_FLAG 0x00000001 /* 1 */
2998#define DEBUG_s_FLAG 0x00000002 /* 2 */
2999#define DEBUG_l_FLAG 0x00000004 /* 4 */
3000#define DEBUG_t_FLAG 0x00000008 /* 8 */
3001#define DEBUG_o_FLAG 0x00000010 /* 16 */
3002#define DEBUG_c_FLAG 0x00000020 /* 32 */
3003#define DEBUG_P_FLAG 0x00000040 /* 64 */
3004#define DEBUG_m_FLAG 0x00000080 /* 128 */
3005#define DEBUG_f_FLAG 0x00000100 /* 256 */
3006#define DEBUG_r_FLAG 0x00000200 /* 512 */
3007#define DEBUG_x_FLAG 0x00000400 /* 1024 */
3008#define DEBUG_u_FLAG 0x00000800 /* 2048 */
a3c98653 3009 /* spare */
aea4f609
DM		 3010#define DEBUG_H_FLAG 0x00002000 /* 8192 */
3011#define DEBUG_X_FLAG 0x00004000 /* 16384 */
3012#define DEBUG_D_FLAG 0x00008000 /* 32768 */
3013#define DEBUG_S_FLAG 0x00010000 /* 65536 */
3014#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 3015#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 3016#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 3017#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 3018#define DEBUG_C_FLAG 0x00200000 /*2097152 */
ecae49c0 3019#define DEBUG_A_FLAG 0x00400000 /*4194304 */
a3c98653 3020#define DEBUG_q_FLAG 0x00800000 /*8388608 */
ecae49c0 3021#define DEBUG_MASK 0x00FFEFFF /* mask of all the standard flags */
aea4f609
DM		 3022
3023#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 3024#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
3025 that something was done? */
aea4f609 3026
bd16a5f0
IZ		 3027# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
3028# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
3029# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
3030# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
3031# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
3032# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
3033# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
3034# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
3035# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
3036# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
3037# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
3038# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 3039# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
3040# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
3041# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
3042# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
3043# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
3044# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 3045# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 3046# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 3047# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
ecae49c0
NC		 3048# define DEBUG_A_TEST_ (PL_debug & DEBUG_A_FLAG)
3049# define DEBUG_q_TEST_ (PL_debug & DEBUG_q_FLAG)
dd2155a4 3050# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 3051
3967c732 3052#ifdef DEBUGGING
aea4f609 3053
bd16a5f0
IZ		 3054# define DEBUG_p_TEST DEBUG_p_TEST_
3055# define DEBUG_s_TEST DEBUG_s_TEST_
3056# define DEBUG_l_TEST DEBUG_l_TEST_
3057# define DEBUG_t_TEST DEBUG_t_TEST_
3058# define DEBUG_o_TEST DEBUG_o_TEST_
3059# define DEBUG_c_TEST DEBUG_c_TEST_
3060# define DEBUG_P_TEST DEBUG_P_TEST_
3061# define DEBUG_m_TEST DEBUG_m_TEST_
3062# define DEBUG_f_TEST DEBUG_f_TEST_
3063# define DEBUG_r_TEST DEBUG_r_TEST_
3064# define DEBUG_x_TEST DEBUG_x_TEST_
3065# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 3066# define DEBUG_H_TEST DEBUG_H_TEST_
3067# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 3068# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 3069# define DEBUG_D_TEST DEBUG_D_TEST_
3070# define DEBUG_S_TEST DEBUG_S_TEST_
3071# define DEBUG_T_TEST DEBUG_T_TEST_
3072# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 3073# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 3074# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 3075# define DEBUG_C_TEST DEBUG_C_TEST_
ecae49c0 3076# define DEBUG_A_TEST DEBUG_A_TEST_
a3c98653 3077# define DEBUG_q_TEST DEBUG_q_TEST_
aea4f609 3078
488b0c7a
JH		 3079# define PERL_DEB(a) a
3080# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 3081# define DEBUG_p(a) if (DEBUG_p_TEST) a
3082# define DEBUG_s(a) if (DEBUG_s_TEST) a
3083# define DEBUG_l(a) if (DEBUG_l_TEST) a
3084# define DEBUG_t(a) if (DEBUG_t_TEST) a
3085# define DEBUG_o(a) if (DEBUG_o_TEST) a
3086# define DEBUG_c(a) if (DEBUG_c_TEST) a
3087# define DEBUG_P(a) if (DEBUG_P_TEST) a
3088
969058bb
VK		 3089 /* Temporarily turn off memory debugging in case the a
3090 * does memory allocation, either directly or indirectly. */
acfe0abc 3091# define DEBUG_m(a) \
0b250b9e 3092 STMT_START { \
aea4f609 3093 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 3094 } STMT_END
aea4f609 3095
5f80b19c
AMS		 3096# define DEBUG__(t, a) \
3097 STMT_START { \
3098 if (t) STMT_START {a;} STMT_END; \
3099 } STMT_END
3100
3101# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3102# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3103# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3104# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 3105# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3106# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 3107# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 3108# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 3109
3db8f154 3110# define DEBUG_S(a)
aea4f609 3111
5f80b19c
AMS		 3112# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3113# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 3114# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 3115# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
ecae49c0
NC		 3116# define DEBUG_A(a) DEBUG__(DEBUG_A_TEST, a)
3117# define DEBUG_q(a) DEBUG__(DEBUG_q_TEST, a)
aea4f609
DM		 3118
3119#else /* DEBUGGING */
3120
3121# define DEBUG_p_TEST (0)
3122# define DEBUG_s_TEST (0)
3123# define DEBUG_l_TEST (0)
3124# define DEBUG_t_TEST (0)
3125# define DEBUG_o_TEST (0)
3126# define DEBUG_c_TEST (0)
3127# define DEBUG_P_TEST (0)
3128# define DEBUG_m_TEST (0)
3129# define DEBUG_f_TEST (0)
3130# define DEBUG_r_TEST (0)
3131# define DEBUG_x_TEST (0)
3132# define DEBUG_u_TEST (0)
aea4f609
DM		 3133# define DEBUG_H_TEST (0)
3134# define DEBUG_X_TEST (0)
dd2155a4 3135# define DEBUG_Xv_TEST (0)
aea4f609
DM		 3136# define DEBUG_D_TEST (0)
3137# define DEBUG_S_TEST (0)
3138# define DEBUG_T_TEST (0)
04932ac8 3139# define DEBUG_R_TEST (0)
1045810a 3140# define DEBUG_J_TEST (0)
d6721266 3141# define DEBUG_v_TEST (0)
46187eeb 3142# define DEBUG_C_TEST (0)
ecae49c0
NC		 3143# define DEBUG_A_TEST (0)
3144# define DEBUG_q_TEST (0)
aea4f609 3145
488b0c7a
JH		 3146# define PERL_DEB(a)
3147# define PERL_DEBUG(a)
aea4f609
DM		 3148# define DEBUG_p(a)
3149# define DEBUG_s(a)
3150# define DEBUG_l(a)
3151# define DEBUG_t(a)
3152# define DEBUG_o(a)
3153# define DEBUG_c(a)
3154# define DEBUG_P(a)
3155# define DEBUG_m(a)
3156# define DEBUG_f(a)
3157# define DEBUG_r(a)
3158# define DEBUG_x(a)
3159# define DEBUG_u(a)
aea4f609
DM		 3160# define DEBUG_H(a)
3161# define DEBUG_X(a)
dd2155a4 3162# define DEBUG_Xv(a)
aea4f609
DM		 3163# define DEBUG_D(a)
3164# define DEBUG_S(a)
3165# define DEBUG_T(a)
04932ac8 3166# define DEBUG_R(a)
d6721266 3167# define DEBUG_v(a)
46187eeb 3168# define DEBUG_C(a)
ecae49c0
NC		 3169# define DEBUG_A(a)
3170# define DEBUG_q(a)
aea4f609
DM		 3171#endif /* DEBUGGING */
3172
3173
b4ab917c
DM		 3174#define DEBUG_SCOPE(where) \
3175 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3176 where, PL_scopestack_ix, __FILE__, __LINE__)));
3177
3178
3179
3180
d1be9408 3181/* These constants should be used in preference to raw characters
14befaf4
DM		 3182 * when using magic. Note that some perl guts still assume
3183 * certain character properties of these constants, namely that
3184 * isUPPER() and toLOWER() may do useful mappings.
3185 *
3186 * Update the magic_names table in dump.c when adding/amending these
3187 */
3188
3189#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3190#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3191#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3192#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3193#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3194#define PERL_MAGIC_regdata 'D' /* Regex match position data
3195 (@+ and @- vars) */
3196#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3197#define PERL_MAGIC_env 'E' /* %ENV hash */
3198#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3199#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3200#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3201#define PERL_MAGIC_isa 'I' /* @ISA array */
3202#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3203#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3204#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3205#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 3206#define PERL_MAGIC_mutex 'm' /* for lock op */
3207#define PERL_MAGIC_shared 'N' /* Shared between threads */
3208#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 3209#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3210#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3211#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3212#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3213#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3214#define PERL_MAGIC_sig 'S' /* %SIG hash */
3215#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3216#define PERL_MAGIC_taint 't' /* Taintedness */
3217#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 3218#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 3219#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 3220#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 3221#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 3222#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3223#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3224 smart parameter vivification */
3225#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3226#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3227#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 3228#define PERL_MAGIC_backref '<' /* for weak ref data */
8d2f4536 3229#define PERL_MAGIC_symtab ':' /* extra data for symbol tables */
ca732855 3230#define PERL_MAGIC_rhash '%' /* extra data for restricted hashes */
a3874608 3231#define PERL_MAGIC_arylen_p '@' /* to move arylen out of XPVAV */
14befaf4
DM		 3232#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3233
3234
a6e633de 3235#ifndef assert /* <assert.h> might have been included somehow */
2b057284
NC		 3236#define assert(what) PERL_DEB( \
3237 ((what) ? ((void) 0) : \
60b9f5a7
NC		 3238 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3239 "\", line %d", STRINGIFY(what), __LINE__), \
2b057284
NC		 3240 PerlProc_exit(1), \
3241 (void) 0)))
a446a88f 3242#endif
8d063cd8 3243
450a55e4 3244struct ufuncs {
24f81a43
DM		 3245 I32 (*uf_val)(pTHX_ IV, SV*);
3246 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 3247 IV uf_index;
450a55e4
LW		 3248};
3249
14befaf4 3250/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 3251 * XS code wanting to be backward compatible can do something
3252 * like the following:
c745e42c 3253
24f81a43 3254#ifndef PERL_MG_UFUNC
24f81a43
DM		 3255#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3256#endif
3257
3258static PERL_MG_UFUNC(foo_get, index, val)
3259{
3260 sv_setsv(val, ...);
3261 return TRUE;
3262}
3263
3264-- Doug MacEachern
3265
3266*/
3267
fc9c74e6 3268#ifndef PERL_MG_UFUNC
24f81a43 3269#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 3270#endif
24f81a43 3271
fe14fcc3 3272/* Fix these up for __STDC__ */
68dc0745 3273#ifndef DONT_DECLARE_STD
20ce7b12 3274char *mktemp (char*);
37bd1396 3275#ifndef atof
20ce7b12 3276double atof (const char*);
a0d0e21e 3277#endif
37bd1396 3278#endif
79072805 3279
352d5a3a 3280#ifndef STANDARD_C
fe14fcc3 3281/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 3282Time_t time();
8d063cd8 3283struct tm *gmtime(), *localtime();
092bebab 3284#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 3285char *(strchr)(), *(strrchr)();
3286char *(strcpy)(), *(strcat)();
3287#else
93a17b20 3288char *strchr(), *strrchr();
378cc40b 3289char *strcpy(), *strcat();
9d116dd7 3290#endif
352d5a3a 3291#endif /* ! STANDARD_C */
8d063cd8 3292
79072805
LW		 3293
3294#ifdef I_MATH
3295# include <math.h>
3296#else
32f822de 3297START_EXTERN_C
20ce7b12
GS		 3298 double exp (double);
3299 double log (double);
3300 double log10 (double);
3301 double sqrt (double);
3302 double frexp (double,int*);
3303 double ldexp (double,int);
3304 double modf (double,double*);
3305 double sin (double);
3306 double cos (double);
3307 double atan2 (double,double);
3308 double pow (double,double);
32f822de 3309END_EXTERN_C
79072805
LW		 3310#endif
3311
aa8b85de
JH		 3312#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3313# define NV_INF LDBL_INFINITY
3314#endif
3315#if !defined(NV_INF) && defined(DBL_INFINITY)
3316# define NV_INF (NV)DBL_INFINITY
3317#endif
3318#if !defined(NV_INF) && defined(INFINITY)
3319# define NV_INF (NV)INFINITY
3320#endif
3321#if !defined(NV_INF) && defined(INF)
3322# define NV_INF (NV)INF
3323#endif
3324#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3325# define NV_INF (NV)HUGE_VALL
3326#endif
3327#if !defined(NV_INF) && defined(HUGE_VAL)
3328# define NV_INF (NV)HUGE_VAL
3329#endif
3330
3331#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3332# if !defined(NV_NAN) && defined(LDBL_NAN)
3333# define NV_NAN LDBL_NAN
3334# endif
3335# if !defined(NV_NAN) && defined(LDBL_QNAN)
3336# define NV_NAN LDBL_QNAN
3337# endif
3338# if !defined(NV_NAN) && defined(LDBL_SNAN)
3339# define NV_NAN LDBL_SNAN
3340# endif
3341#endif
3342#if !defined(NV_NAN) && defined(DBL_NAN)
3343# define NV_NAN (NV)DBL_NAN
3344#endif
3345#if !defined(NV_NAN) && defined(DBL_QNAN)
3346# define NV_NAN (NV)DBL_QNAN
3347#endif
3348#if !defined(NV_NAN) && defined(DBL_SNAN)
3349# define NV_NAN (NV)DBL_SNAN
3350#endif
3351#if !defined(NV_NAN) && defined(QNAN)
3352# define NV_NAN (NV)QNAN
3353#endif
3354#if !defined(NV_NAN) && defined(SNAN)
3355# define NV_NAN (NV)SNAN
3356#endif
3357#if !defined(NV_NAN) && defined(NAN)
3358# define NV_NAN (NV)NAN
3359#endif
3360
a0d0e21e 3361#ifndef __cplusplus
8f1f23e8 3362# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 3363char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 3364# else
fd8cd3a3 3365# if !defined(WIN32) && !defined(VMS)
10bc17b6 3366#ifndef crypt
20ce7b12 3367char *crypt (const char*, const char*);
10bc17b6 3368#endif
5014db98 3369# endif /* !WIN32 */
8f1f23e8 3370# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 3371# ifndef DONT_DECLARE_STD
3372# ifndef getenv
20ce7b12 3373char *getenv (const char*);
26618a56 3374# endif /* !getenv */
28ca6303 3375# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 3376# ifdef _FILE_OFFSET_BITS
28ca6303 3377# if _FILE_OFFSET_BITS == 64
20ce7b12 3378Off_t lseek (int,Off_t,int);
0fc67700
JH		 3379# endif
3380# endif
bf0c440f 3381# endif
26618a56 3382# endif /* !DONT_DECLARE_STD */
10bc17b6 3383#ifndef getlogin
20ce7b12 3384char *getlogin (void);
10bc17b6 3385#endif
26618a56 3386#endif /* !__cplusplus */
79072805 3387
16d20bd9 3388#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 3389#define UNLINK unlnk
20ce7b12 3390I32 unlnk (char*);
8d063cd8 3391#else
80252599 3392#define UNLINK PerlLIO_unlink
8d063cd8 3393#endif
a687059c 3394
fa0a29af
JH		 3395/* some versions of glibc are missing the setresuid() proto */
3396#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 3397int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3398#endif
fa0a29af
JH		 3399/* some versions of glibc are missing the setresgid() proto */
3400#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 3401int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3402#endif
3403
fe14fcc3 3404#ifndef HAS_SETREUID
85e6fe83
LW		 3405# ifdef HAS_SETRESUID
3406# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3407# define HAS_SETREUID
3408# endif
a687059c 3409#endif
fe14fcc3 3410#ifndef HAS_SETREGID
85e6fe83
LW		 3411# ifdef HAS_SETRESGID
3412# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3413# define HAS_SETREGID
3414# endif
a687059c 3415#endif
ee0007ab 3416
d543acb6 3417/* Sighandler_t defined in iperlsys.h */
ff68c719 3418
3419#ifdef HAS_SIGACTION
3420typedef struct sigaction Sigsave_t;
3421#else
3422typedef Sighandler_t Sigsave_t;
3423#endif
3424
ee0007ab
LW		 3425#define SCAN_DEF 0
3426#define SCAN_TR 1
3427#define SCAN_REPL 2
79072805
LW		 3428
3429#ifdef DEBUGGING
4633a7c4 3430# ifndef register
a0d0e21e
LW		 3431# define register
3432# endif
cea2e8a9 3433# define RUNOPS_DEFAULT Perl_runops_debug
79072805 3434#else
cea2e8a9 3435# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 3436#endif
3437
18f739ee 3438#ifdef MYMALLOC
772fe5b3 3439# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 3440# define MALLOC_INIT \
3441 STMT_START { \
3442 PL_malloc_mutex = NULL; \
3443 MUTEX_INIT(&PL_malloc_mutex); \
3444 } STMT_END
3445# define MALLOC_TERM \
3446 STMT_START { \
3447 perl_mutex tmp = PL_malloc_mutex; \
3448 PL_malloc_mutex = NULL; \
3449 MUTEX_DESTROY(&tmp); \
3450 } STMT_END
3451# else
3452# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3453# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3454# endif
18f739ee
IZ		 3455#else
3456# define MALLOC_INIT
3457# define MALLOC_TERM
3458#endif
3459
b6d9d515 3460
0cb96387 3461typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 3462typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3463typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3464typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3465
940cb80d 3466/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3467#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3468
8f1f23e8
W		 3469/* NeXT has problems with crt0.o globals */
3470#if defined(__DYNAMIC__) && \
6239f2da 3471 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3472# if defined(NeXT) || defined(__NeXT)
3473# include <mach-o/dyld.h>
3474# define environ (*environ_pointer)
0c30d9ec 3475EXT char *** environ_pointer;
8f1f23e8 3476# else
6239f2da 3477# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3478# include <crt_externs.h> /* for the env array */
3479# define environ (*_NSGetEnviron())
3480# endif
0c30d9ec 3481# endif
8f1f23e8
W		 3482#else
3483 /* VMS and some other platforms don't use the environ array */
13b6e58c 3484# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3485# if !defined(DONT_DECLARE_STD) || \
3486 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3487 defined(__sgi) || \
d460ef45 3488 defined(__DGUX)
8f1f23e8 3489extern char ** environ; /* environment variables supplied via exec */
a6c40364 3490# endif
8f1f23e8
W		 3491# endif
3492#endif
79072805 3493
73c4f7a1
GS		 3494START_EXTERN_C
3495
79072805 3496/* handy constants */
22c35a8c 3497EXTCONST char PL_warn_uninit[]
29489e7c 3498 INIT("Use of uninitialized value%s%s%s");
22c35a8c 3499EXTCONST char PL_warn_nosemi[]
463ee0b2 3500 INIT("Semicolon seems to be missing");
22c35a8c 3501EXTCONST char PL_warn_reserved[]
463ee0b2 3502 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3503EXTCONST char PL_warn_nl[]
93a17b20 3504 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3505EXTCONST char PL_no_wrongref[]
a0d0e21e 3506 INIT("Can't use %s ref as %s ref");
22c35a8c 3507EXTCONST char PL_no_symref[]
748a9306 3508 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
7a5fd60d 3509EXTCONST char PL_no_symref_sv[]
014ead4b 3510 INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
22c35a8c 3511EXTCONST char PL_no_usym[]
8990e307 3512 INIT("Can't use an undefined value as %s reference");
22c35a8c 3513EXTCONST char PL_no_aelem[]
93a17b20 3514 INIT("Modification of non-creatable array value attempted, subscript %d");
ce5030a2
NC		 3515EXTCONST char PL_no_helem_sv[]
3516 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
22c35a8c 3517EXTCONST char PL_no_modify[]
93a17b20 3518 INIT("Modification of a read-only value attempted");
22c35a8c 3519EXTCONST char PL_no_mem[]
93a17b20 3520 INIT("Out of memory!\n");
22c35a8c 3521EXTCONST char PL_no_security[]
463ee0b2 3522 INIT("Insecure dependency in %s%s");
22c35a8c 3523EXTCONST char PL_no_sock_func[]
93a17b20 3524 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3525EXTCONST char PL_no_dir_func[]
93a17b20 3526 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3527EXTCONST char PL_no_func[]
93a17b20 3528 INIT("The %s function is unimplemented");
22c35a8c 3529EXTCONST char PL_no_myglob[]
748a9306 3530 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3531EXTCONST char PL_no_localize_ref[]
3532 INIT("Can't localize through a reference");
27d5b266
JH		 3533#ifdef PERL_MALLOC_WRAP
3534EXTCONST char PL_memory_wrap[]
3535 INIT("panic: memory wrap");
3536#endif
93a17b20 3537
7575fa06 3538EXTCONST char PL_uuemap[65]
80252599
GS		 3539 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3540
3541
79072805 3542#ifdef DOINIT
27da23d5
JH		 3543EXTCONST char* const PL_sig_name[] = { SIG_NAME };
3544EXTCONST int PL_sig_num[] = { SIG_NUM };
79072805 3545#else
27da23d5
JH		 3546EXTCONST char* const PL_sig_name[];
3547EXTCONST int PL_sig_num[];
79072805
LW		 3548#endif
3549
3bd709b1 3550/* fast conversion and case folding tables */
bbce6d69 3551
79072805 3552#ifdef DOINIT
9d116dd7 3553#ifdef EBCDIC
27da23d5 3554EXTCONST unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3555 0, 1, 2, 3, 4, 5, 6, 7,
3556 8, 9, 10, 11, 12, 13, 14, 15,
3557 16, 17, 18, 19, 20, 21, 22, 23,
3558 24, 25, 26, 27, 28, 29, 30, 31,
3559 32, 33, 34, 35, 36, 37, 38, 39,
3560 40, 41, 42, 43, 44, 45, 46, 47,
3561 48, 49, 50, 51, 52, 53, 54, 55,
3562 56, 57, 58, 59, 60, 61, 62, 63,
3563 64, 65, 66, 67, 68, 69, 70, 71,
3564 72, 73, 74, 75, 76, 77, 78, 79,
3565 80, 81, 82, 83, 84, 85, 86, 87,
3566 88, 89, 90, 91, 92, 93, 94, 95,
3567 96, 97, 98, 99, 100, 101, 102, 103,
3568 104, 105, 106, 107, 108, 109, 110, 111,
3569 112, 113, 114, 115, 116, 117, 118, 119,
3570 120, 121, 122, 123, 124, 125, 126, 127,
3571 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3572 'H', 'I', 138, 139, 140, 141, 142, 143,
3573 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3574 'Q', 'R', 154, 155, 156, 157, 158, 159,
3575 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3576 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3577 176, 177, 178, 179, 180, 181, 182, 183,
3578 184, 185, 186, 187, 188, 189, 190, 191,
3579 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3580 'h', 'i', 202, 203, 204, 205, 206, 207,
3581 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3582 'q', 'r', 218, 219, 220, 221, 222, 223,
3583 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3584 'y', 'z', 234, 235, 236, 237, 238, 239,
3585 240, 241, 242, 243, 244, 245, 246, 247,
3586 248, 249, 250, 251, 252, 253, 254, 255
3587};
3588#else /* ascii rather than ebcdic */
22c35a8c 3589EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3590 0, 1, 2, 3, 4, 5, 6, 7,
3591 8, 9, 10, 11, 12, 13, 14, 15,
3592 16, 17, 18, 19, 20, 21, 22, 23,
3593 24, 25, 26, 27, 28, 29, 30, 31,
3594 32, 33, 34, 35, 36, 37, 38, 39,
3595 40, 41, 42, 43, 44, 45, 46, 47,
3596 48, 49, 50, 51, 52, 53, 54, 55,
3597 56, 57, 58, 59, 60, 61, 62, 63,
3598 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3599 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3600 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3601 'x', 'y', 'z', 91, 92, 93, 94, 95,
3602 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3603 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3604 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3605 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3606 128, 129, 130, 131, 132, 133, 134, 135,
3607 136, 137, 138, 139, 140, 141, 142, 143,
3608 144, 145, 146, 147, 148, 149, 150, 151,
3609 152, 153, 154, 155, 156, 157, 158, 159,
3610 160, 161, 162, 163, 164, 165, 166, 167,
3611 168, 169, 170, 171, 172, 173, 174, 175,
3612 176, 177, 178, 179, 180, 181, 182, 183,
3613 184, 185, 186, 187, 188, 189, 190, 191,
3614 192, 193, 194, 195, 196, 197, 198, 199,
3615 200, 201, 202, 203, 204, 205, 206, 207,
3616 208, 209, 210, 211, 212, 213, 214, 215,
3617 216, 217, 218, 219, 220, 221, 222, 223,
3618 224, 225, 226, 227, 228, 229, 230, 231,
3619 232, 233, 234, 235, 236, 237, 238, 239,
3620 240, 241, 242, 243, 244, 245, 246, 247,
3621 248, 249, 250, 251, 252, 253, 254, 255
3622};
9d116dd7 3623#endif /* !EBCDIC */
79072805 3624#else
22c35a8c 3625EXTCONST unsigned char PL_fold[];
79072805
LW		 3626#endif
3627
27da23d5 3628#ifndef PERL_GLOBAL_STRUCT /* or perlvars.h */
79072805 3629#ifdef DOINIT
27da23d5 3630EXT unsigned char PL_fold_locale[] = { /* Unfortunately not EXTCONST. */
79072805
LW		 3631 0, 1, 2, 3, 4, 5, 6, 7,
3632 8, 9, 10, 11, 12, 13, 14, 15,
3633 16, 17, 18, 19, 20, 21, 22, 23,
3634 24, 25, 26, 27, 28, 29, 30, 31,
3635 32, 33, 34, 35, 36, 37, 38, 39,
3636 40, 41, 42, 43, 44, 45, 46, 47,
3637 48, 49, 50, 51, 52, 53, 54, 55,
3638 56, 57, 58, 59, 60, 61, 62, 63,
3639 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3640 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3641 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3642 'x', 'y', 'z', 91, 92, 93, 94, 95,
3643 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3644 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3645 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3646 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3647 128, 129, 130, 131, 132, 133, 134, 135,
3648 136, 137, 138, 139, 140, 141, 142, 143,
3649 144, 145, 146, 147, 148, 149, 150, 151,
3650 152, 153, 154, 155, 156, 157, 158, 159,
3651 160, 161, 162, 163, 164, 165, 166, 167,
3652 168, 169, 170, 171, 172, 173, 174, 175,
3653 176, 177, 178, 179, 180, 181, 182, 183,
3654 184, 185, 186, 187, 188, 189, 190, 191,
3655 192, 193, 194, 195, 196, 197, 198, 199,
3656 200, 201, 202, 203, 204, 205, 206, 207,
3657 208, 209, 210, 211, 212, 213, 214, 215,
3658 216, 217, 218, 219, 220, 221, 222, 223,
3659 224, 225, 226, 227, 228, 229, 230, 231,
3660 232, 233, 234, 235, 236, 237, 238, 239,
3661 240, 241, 242, 243, 244, 245, 246, 247,
3662 248, 249, 250, 251, 252, 253, 254, 255
3663};
3664#else
27da23d5 3665EXT unsigned char PL_fold_locale[]; /* Unfortunately not EXTCONST. */
79072805 3666#endif
27da23d5 3667#endif /* !PERL_GLOBAL_STRUCT */
79072805
LW		 3668
3669#ifdef DOINIT
9d116dd7 3670#ifdef EBCDIC
27da23d5 3671EXTCONST unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3672 1, 2, 84, 151, 154, 155, 156, 157,
3673 165, 246, 250, 3, 158, 7, 18, 29,
3674 40, 51, 62, 73, 85, 96, 107, 118,
3675 129, 140, 147, 148, 149, 150, 152, 153,
3676 255, 6, 8, 9, 10, 11, 12, 13,
3677 14, 15, 24, 25, 26, 27, 28, 226,
3678 29, 30, 31, 32, 33, 43, 44, 45,
3679 46, 47, 48, 49, 50, 76, 77, 78,
3680 79, 80, 81, 82, 83, 84, 85, 86,
3681 87, 94, 95, 234, 181, 233, 187, 190,
3682 180, 96, 97, 98, 99, 100, 101, 102,
3683 104, 112, 182, 174, 236, 232, 229, 103,
3684 228, 226, 114, 115, 116, 117, 118, 119,
3685 120, 121, 122, 235, 176, 230, 194, 162,
3686 130, 131, 132, 133, 134, 135, 136, 137,
3687 138, 139, 201, 205, 163, 217, 220, 224,
3688 5, 248, 227, 244, 242, 255, 241, 231,
3689 240, 253, 16, 197, 19, 20, 21, 187,
3690 23, 169, 210, 245, 237, 249, 247, 239,
3691 168, 252, 34, 196, 36, 37, 38, 39,
3692 41, 42, 251, 254, 238, 223, 221, 213,
3693 225, 177, 52, 53, 54, 55, 56, 57,
3694 58, 59, 60, 61, 63, 64, 65, 66,
3695 67, 68, 69, 70, 71, 72, 74, 75,
3696 205, 208, 186, 202, 200, 218, 198, 179,
3697 178, 214, 88, 89, 90, 91, 92, 93,
3698 217, 166, 170, 207, 199, 209, 206, 204,
3699 160, 212, 105, 106, 108, 109, 110, 111,
3700 203, 113, 216, 215, 192, 175, 193, 243,
3701 172, 161, 123, 124, 125, 126, 127, 128,
3702 222, 219, 211, 195, 188, 193, 185, 184,
3703 191, 183, 141, 142, 143, 144, 145, 146
3704};
3705#else /* ascii rather than ebcdic */
22c35a8c 3706EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3707 1, 2, 84, 151, 154, 155, 156, 157,
3708 165, 246, 250, 3, 158, 7, 18, 29,
3709 40, 51, 62, 73, 85, 96, 107, 118,
3710 129, 140, 147, 148, 149, 150, 152, 153,
3711 255, 182, 224, 205, 174, 176, 180, 217,
3712 233, 232, 236, 187, 235, 228, 234, 226,
3713 222, 219, 211, 195, 188, 193, 185, 184,
3714 191, 183, 201, 229, 181, 220, 194, 162,
3715 163, 208, 186, 202, 200, 218, 198, 179,
3716 178, 214, 166, 170, 207, 199, 209, 206,
3717 204, 160, 212, 216, 215, 192, 175, 173,
3718 243, 172, 161, 190, 203, 189, 164, 230,
3719 167, 248, 227, 244, 242, 255, 241, 231,
3720 240, 253, 169, 210, 245, 237, 249, 247,
3721 239, 168, 252, 251, 254, 238, 223, 221,
3722 213, 225, 177, 197, 171, 196, 159, 4,
3723 5, 6, 8, 9, 10, 11, 12, 13,
3724 14, 15, 16, 17, 19, 20, 21, 22,
3725 23, 24, 25, 26, 27, 28, 30, 31,
3726 32, 33, 34, 35, 36, 37, 38, 39,
3727 41, 42, 43, 44, 45, 46, 47, 48,
3728 49, 50, 52, 53, 54, 55, 56, 57,
3729 58, 59, 60, 61, 63, 64, 65, 66,
3730 67, 68, 69, 70, 71, 72, 74, 75,
3731 76, 77, 78, 79, 80, 81, 82, 83,
3732 86, 87, 88, 89, 90, 91, 92, 93,
3733 94, 95, 97, 98, 99, 100, 101, 102,
3734 103, 104, 105, 106, 108, 109, 110, 111,
3735 112, 113, 114, 115, 116, 117, 119, 120,
3736 121, 122, 123, 124, 125, 126, 127, 128,
3737 130, 131, 132, 133, 134, 135, 136, 137,
3738 138, 139, 141, 142, 143, 144, 145, 146
3739};
9d116dd7 3740#endif
79072805 3741#else
22c35a8c 3742EXTCONST unsigned char PL_freq[];
79072805
LW		 3743#endif
3744
8990e307
LW		 3745#ifdef DEBUGGING
3746#ifdef DOINIT
27da23d5 3747EXTCONST char* const PL_block_type[] = {
8990e307
LW		 3748 "NULL",
3749 "SUB",
3750 "EVAL",
3751 "LOOP",
3752 "SUBST",
3753 "BLOCK",
3754};
3755#else
22c35a8c 3756EXTCONST char* PL_block_type[];
8990e307
LW		 3757#endif
3758#endif
3759
73c4f7a1
GS		 3760END_EXTERN_C
3761
79072805
LW		 3762/*****************************************************************************/
3763/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3764/*****************************************************************************/
8990e307 3765/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3766
d4c3c482 3767#ifdef __Lynx__
9cffb111
OS		 3768/* LynxOS defines these in scsi.h which is included via ioctl.h */
3769#ifdef FORMAT
3770#undef FORMAT
3771#endif
3772#ifdef SPACE
3773#undef SPACE
3774#endif
d4c3c482 3775#endif
9cffb111 3776
1fd33325
MHM		 3777/* Win32 defines a type 'WORD' in windef.h. This conflicts with the enumerator
3778 * 'WORD' defined in perly.h. The yytokentype enum is only a debugging aid, so
3779 * it's not really needed.
3780 */
3781#if defined(WIN32)
3782# define YYTOKENTYPE
3783#endif
a0d0e21e
LW		 3784#include "perly.h"
3785
fb73857a 3786#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3787
79072805
LW		 3788typedef enum {
3789 XOPERATOR,
3790 XTERM,
79072805 3791 XREF,
8990e307 3792 XSTATE,
a0d0e21e 3793 XBLOCK,
09bef843
SB		 3794 XATTRBLOCK,
3795 XATTRTERM,
6f33ba73
RGS		 3796 XTERMBLOCK,
3797 XTERMORDORDOR /* evil hack */
27308ded 3798 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3799} expectation;
3800
dc9e4912
GS		 3801enum { /* pass one of these to get_vtbl */
3802 want_vtbl_sv,
3803 want_vtbl_env,
3804 want_vtbl_envelem,
3805 want_vtbl_sig,
3806 want_vtbl_sigelem,
3807 want_vtbl_pack,
3808 want_vtbl_packelem,
3809 want_vtbl_dbline,
3810 want_vtbl_isa,
3811 want_vtbl_isaelem,
3812 want_vtbl_arylen,
3813 want_vtbl_glob,
3814 want_vtbl_mglob,
3815 want_vtbl_nkeys,
3816 want_vtbl_taint,
3817 want_vtbl_substr,
3818 want_vtbl_vec,
3819 want_vtbl_pos,
3820 want_vtbl_bm,
3821 want_vtbl_fm,
3822 want_vtbl_uvar,
3823 want_vtbl_defelem,
3824 want_vtbl_regexp,
3825 want_vtbl_collxfrm,
3826 want_vtbl_amagic,
3827 want_vtbl_amagicelem,
dc9e4912 3828 want_vtbl_regdata,
810b8aa5 3829 want_vtbl_regdatum,
7e8c5dac 3830 want_vtbl_backref,
8d2f4536 3831 want_vtbl_utf8,</