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Re: [ID 20020227.003] minor text imperfection in perlrun manpage
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
be3c0a43 3 * Copyright (c) 1987-2002, Larry Wall
a687059c 4 *
352d5a3a
LW		 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
d6376244 9
85e6fe83
LW		 10#ifndef H_PERL
11#define H_PERL 1
8d063cd8 12
760ac839
LW		 13#ifdef PERL_FOR_X2P
14/*
d460ef45 15 * This file is being used for x2p stuff.
760ac839 16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 17 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 18 */
55497cff 19#undef MULTIPLICITY
760ac839
LW		 20#undef USE_STDIO
21#define USE_STDIO
22#endif /* PERL_FOR_X2P */
23
0cb96387 24#define VOIDUSED 1
d460ef45 25#ifdef PERL_MICRO
12ae5dfc
JH		 26# include "uconfig.h"
27#else
28# include "config.h"
29#endif
0cb96387 30
aaacdc8b
GS		 31#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
32# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
33#endif
34
35/* XXX This next guard can disappear if the sources are revised
36 to use USE_5005THREADS throughout. -- A.D 1/6/2000
37*/
4d1ff10f
AB		 38#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
39# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 40#endif
41
2c2d71f5
JH		 42/* See L<perlguts/"The Perl API"> for detailed notes on
43 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
44
ba979b31
NIS		 45#ifdef PERL_IMPLICIT_SYS
46/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
47 so use slab allocator to avoid lots of MUTEX overhead
48 */
6916a0ab
NIS		 49# ifndef PL_OP_SLAB_ALLOC
50# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 51# endif
52#endif
53
6f4183fe 54#ifdef USE_ITHREADS
acfe0abc 55# if !defined(MULTIPLICITY)
6f4183fe
GS		 56# define MULTIPLICITY
57# endif
58#endif
59
4d1ff10f 60#ifdef USE_5005THREADS
c5be433b
GS		 61# ifndef PERL_IMPLICIT_CONTEXT
62# define PERL_IMPLICIT_CONTEXT
63# endif
c5be433b
GS		 64#endif
65
c5be433b
GS		 66#if defined(MULTIPLICITY)
67# ifndef PERL_IMPLICIT_CONTEXT
68# define PERL_IMPLICIT_CONTEXT
69# endif
c5be433b
GS		 70#endif
71
c5be433b 72#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 73# ifdef USE_5005THREADS
c5be433b 74struct perl_thread;
24e8e624 75# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 76# define aTHX thr
411caa50 77# define dTHR dNOOP /* only backward compatibility */
fd89de3a 78# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 79# else
f63b9778
GS		 80# ifndef MULTIPLICITY
81# define MULTIPLICITY
82# endif
24e8e624 83# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 84# define aTHX my_perl
fd89de3a 85# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 86# endif
fd89de3a 87# define dTHX pTHX = PERL_GET_THX
c5be433b 88# define pTHX_ pTHX,
c5be433b 89# define aTHX_ aTHX,
894356b3
GS		 90# define pTHX_1 2
91# define pTHX_2 3
92# define pTHX_3 4
93# define pTHX_4 5
c5be433b
GS		 94#endif
95
76e3520e
GS		 96#define STATIC static
97#define CPERLscope(x) x
565764a8 98#define CPERLarg void
76e3520e 99#define CPERLarg_
e3b8966e 100#define _CPERLarg
1d583055
GS		 101#define PERL_OBJECT_THIS
102#define _PERL_OBJECT_THIS
103#define PERL_OBJECT_THIS_
312caa8e 104#define CALL_FPTR(fptr) (*fptr)
76e3520e 105
312caa8e
CS		 106#define CALLRUNOPS CALL_FPTR(PL_runops)
107#define CALLREGCOMP CALL_FPTR(PL_regcompp)
108#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 109#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
110#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
111#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 112
113#ifdef PERL_FLEXIBLE_EXCEPTIONS
114# define CALLPROTECT CALL_FPTR(PL_protect)
115#endif
312caa8e 116
44dbb695
JH		 117#ifdef HASATTRIBUTE
118# define PERL_UNUSED_DECL __attribute__((unused))
119#else
120# define PERL_UNUSED_DECL
121#endif
122
349b520e
DM		 123/* gcc -Wall:
124 * for silencing unused variables that are actually used most of the time,
125 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
126 */
127#define PERL_UNUSED_VAR(var) if (0) var = var
128
0cb96387 129#define NOOP (void)0
44dbb695 130#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 131
0cb96387
GS		 132#ifndef pTHX
133# define pTHX void
134# define pTHX_
0cb96387
GS		 135# define aTHX
136# define aTHX_
0cb96387
GS		 137# define dTHXa(a) dNOOP
138# define dTHX dNOOP
894356b3
GS		 139# define pTHX_1 1
140# define pTHX_2 2
141# define pTHX_3 3
142# define pTHX_4 4
0cb96387
GS		 143#endif
144
b4f7f263
GS		 145/* these are only defined for compatibility; should not be used internally */
146#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 147# define pTHXo pTHX
148# define pTHXo_ pTHX_
0cb96387
GS		 149# define aTHXo aTHX
150# define aTHXo_ aTHX_
c5be433b 151# define dTHXo dTHX
71d280e3 152# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 153#endif
154
155#ifndef pTHXx
156# define pTHXx register PerlInterpreter *my_perl
157# define pTHXx_ pTHXx,
0cb96387
GS		 158# define aTHXx my_perl
159# define aTHXx_ aTHXx,
c5be433b 160# define dTHXx dTHX
22c35a8c 161#endif
71be2cbc 162
1de7c2ac
GS		 163/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
164 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
165 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
166#ifdef PERL_IMPLICIT_SYS
167# define dTHXs dTHX
168#else
169# define dTHXs dNOOP
170#endif
171
326b05e3
GS		 172#undef START_EXTERN_C
173#undef END_EXTERN_C
174#undef EXTERN_C
32f822de
GS		 175#ifdef __cplusplus
176# define START_EXTERN_C extern "C" {
177# define END_EXTERN_C }
178# define EXTERN_C extern "C"
179#else
d460ef45
NIS		 180# define START_EXTERN_C
181# define END_EXTERN_C
73c4f7a1 182# define EXTERN_C extern
32f822de
GS		 183#endif
184
462e5cf6
MB		 185#ifdef OP_IN_REGISTER
186# ifdef __GNUC__
187# define stringify_immed(s) #s
188# define stringify(s) stringify_immed(s)
d1ca3daa 189register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 190# endif
191#endif
192
728e2803 193/*
194 * STMT_START { statements; } STMT_END;
195 * can be used as a single statement, as in
196 * if (x) STMT_START { ... } STMT_END; else ...
197 *
198 * Trying to select a version that gives no warnings...
199 */
200#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 201# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 202# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
203# define STMT_END )
204# else
205 /* Now which other defined()s do we need here ??? */
206# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
207# define STMT_START if (1)
208# define STMT_END else (void)0
209# else
210# define STMT_START do
211# define STMT_END while (0)
212# endif
213# endif
214#endif
215
0cb96387 216#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 217#define WITH_THR(s) WITH_THX(s)
ea0efc06 218
55497cff 219/*
220 * SOFT_CAST can be used for args to prototyped functions to retain some
221 * type checking; it only casts if the compiler does not know prototypes.
222 */
223#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
224#define SOFT_CAST(type)
225#else
226#define SOFT_CAST(type) (type)
227#endif
79072805 228
6ee623d5 229#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 230# define BYTEORDER 0x1234
231#endif
232
233/* Overall memory policy? */
234#ifndef CONSERVATIVE
235# define LIBERAL 1
236#endif
237
8ada0baa
JH		 238#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
239#define ASCIIish
240#else
241#undef ASCIIish
242#endif
243
79072805
LW		 244/*
245 * The following contortions are brought to you on behalf of all the
246 * standards, semi-standards, de facto standards, not-so-de-facto standards
247 * of the world, as well as all the other botches anyone ever thought of.
248 * The basic theory is that if we work hard enough here, the rest of the
249 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
250 */
ac58e20f 251
ee0007ab 252/* define this once if either system, instead of cluttering up the src */
2986a63f 253#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 254#define DOSISH 1
255#endif
256
2986a63f 257#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 258# define STANDARD_C 1
259#endif
260
2986a63f 261#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 262# define DONT_DECLARE_STD 1
263#endif
264
352d5a3a 265#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 266# ifdef __cplusplus
cb69f87a 267# define VOL /* to temporarily suppress warnings */
79072805
LW		 268# else
269# define VOL volatile
270# endif
663a0e37 271#else
79072805 272# define VOL
663a0e37
LW		 273#endif
274
3280af22
NIS		 275#define TAINT (PL_tainted = TRUE)
276#define TAINT_NOT (PL_tainted = FALSE)
277#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
278#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 279#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 280
d460ef45 281/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 282 defines move there? If so, I could simplify this a lot. --AD 9/96.
283*/
284/* Process group stuff changed from traditional BSD to POSIX.
285 perlfunc.pod documents the traditional BSD-style syntax, so we'll
286 try to preserve that, if possible.
287*/
288#ifdef HAS_SETPGID
289# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 290#else
a6e633de 291# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
292# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
293# else
294# ifdef HAS_SETPGRP2 /* DG/UX */
295# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
296# endif
297# endif
298#endif
299#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
300# define HAS_SETPGRP /* Well, effectively it does . . . */
301#endif
302
303/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
304 our life easier :-) so we'll try it.
305*/
306#ifdef HAS_GETPGID
307# define BSD_GETPGRP(pid) getpgid((pid))
308#else
309# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
310# define BSD_GETPGRP(pid) getpgrp((pid))
311# else
312# ifdef HAS_GETPGRP2 /* DG/UX */
313# define BSD_GETPGRP(pid) getpgrp2((pid))
314# endif
315# endif
316#endif
317#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
318# define HAS_GETPGRP /* Well, effectively it does . . . */
319#endif
320
d460ef45 321/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 322 have different behaviors, but perl.h used to define USE_BSDPGRP
323 (prior to 5.003_05) so some extension might depend on it.
324*/
325#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
326# ifndef USE_BSDPGRP
327# define USE_BSDPGRP
328# endif
663a0e37
LW		 329#endif
330
3d62afa2 331/* Use the reentrant APIs like localtime_r and getpwent_r */
d80aa559 332/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
4f8ddd77 333#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(WIN32) && !defined(__APPLE__)
d8916601 334# define USE_REENTRANT_API
3d62afa2
JH		 335#endif
336
8ac5a1fe
MH		 337/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
338 pthread.h must be included before all other header files.
339*/
4d1ff10f 340#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 341 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 342# include <pthread.h>
343#endif
344
760ac839
LW		 345#ifndef _TYPES_ /* If types.h defines this it's easy. */
346# ifndef major /* Does everyone's types.h define this? */
347# include <sys/types.h>
c07a80fd 348# endif
663a0e37
LW		 349#endif
350
760ac839
LW		 351#ifdef __cplusplus
352# ifndef I_STDARG
353# define I_STDARG 1
354# endif
355#endif
356
357#ifdef I_STDARG
358# include <stdarg.h>
359#else
360# ifdef I_VARARGS
361# include <varargs.h>
362# endif
363#endif
364
4633a7c4 365#ifdef USE_NEXT_CTYPE
0c30d9ec 366
092bebab
JH		 367#if NX_CURRENT_COMPILER_RELEASE >= 500
368# include <bsd/ctypes.h>
369#else
370# if NX_CURRENT_COMPILER_RELEASE >= 400
371# include <objc/NXCType.h>
372# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
373# include <appkit/NXCType.h>
374# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
375#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 376
377#else /* !USE_NEXT_CTYPE */
fe14fcc3 378#include <ctype.h>
0c30d9ec 379#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 380
381#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
382#undef METHOD
a0d0e21e
LW		 383#endif
384
12ae5dfc
JH		 385#ifdef PERL_MICRO
386# define NO_LOCALE
387#endif
388
4633a7c4 389#ifdef I_LOCALE
36477c24 390# include <locale.h>
4633a7c4
LW		 391#endif
392
36477c24 393#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
394# define USE_LOCALE
395# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
396 && defined(HAS_STRXFRM)
397# define USE_LOCALE_COLLATE
398# endif
399# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
400# define USE_LOCALE_CTYPE
401# endif
402# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
403# define USE_LOCALE_NUMERIC
404# endif
405#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 406
fe14fcc3 407#include <setjmp.h>
79072805 408
a0d0e21e 409#ifdef I_SYS_PARAM
79072805
LW		 410# ifdef PARAM_NEEDS_TYPES
411# include <sys/types.h>
412# endif
413# include <sys/param.h>
352d5a3a 414#endif
79072805 415
79072805 416/* Use all the "standard" definitions? */
a0d0e21e 417#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 418# include <stdlib.h>
ff68c719 419#endif
03a14243 420
3f270f98
JH		 421/* If this causes problems, set i_unistd=undef in the hint file. */
422#ifdef I_UNISTD
423# include <unistd.h>
424#endif
425
7114a2d2 426#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 427int syscall(int, ...);
428#endif
429
7114a2d2 430#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 431int usleep(unsigned int);
2ef53570
JH		 432#endif
433
9a34ef1d
GS		 434#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
435# define MYSWAP
436#endif
437
66a93824
NIS		 438/* Cannot include embed.h here on Win32 as win32.h has not
439 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
440 */
96e176bf 441#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 442# include "embed.h"
443#endif
444
c31fac66
GS		 445#define MEM_SIZE Size_t
446
51371543
GS		 447#if defined(STANDARD_C) && defined(I_STDDEF)
448# include <stddef.h>
449# define STRUCT_OFFSET(s,m) offsetof(s,m)
450#else
451# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
452#endif
453
454#if defined(I_STRING) || defined(__cplusplus)
455# include <string.h>
456#else
457# include <strings.h>
458#endif
459
55497cff 460/* This comes after <stdlib.h> so we don't try to change the standard
461 * library prototypes; we'll use our own in proto.h instead. */
03a14243 462
4633a7c4 463#ifdef MYMALLOC
86058a2d 464# ifdef PERL_POLLUTE_MALLOC
ee13e175 465# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 466# define Perl_malloc malloc
467# define Perl_calloc calloc
468# define Perl_realloc realloc
469# define Perl_mfree free
ee13e175 470# endif
86058a2d
GS		 471# else
472# define EMBEDMYMALLOC /* for compatibility */
473# endif
20ce7b12
GS		 474Malloc_t Perl_malloc (MEM_SIZE nbytes);
475Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
476Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 477/* 'mfree' rather than 'free', since there is already a 'perl_free'
478 * that causes clashes with case-insensitive linkers */
20ce7b12 479Free_t Perl_mfree (Malloc_t where);
55497cff 480
827e134a
GS		 481typedef struct perl_mstats perl_mstats_t;
482
651b9576
GS		 483# define safemalloc Perl_malloc
484# define safecalloc Perl_calloc
485# define saferealloc Perl_realloc
486# define safefree Perl_mfree
f2517201
GS		 487#else /* MYMALLOC */
488# define safemalloc safesysmalloc
489# define safecalloc safesyscalloc
490# define saferealloc safesysrealloc
491# define safefree safesysfree
55497cff 492#endif /* MYMALLOC */
4633a7c4 493
a0d0e21e
LW		 494#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
495#define strchr index
496#define strrchr rindex
497#endif
498
16d20bd9
AD		 499#ifdef I_MEMORY
500# include <memory.h>
501#endif
502
fe14fcc3 503#ifdef HAS_MEMCPY
85e6fe83 504# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 505# ifndef memcpy
20ce7b12 506 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 507# endif
508# endif
509#else
510# ifndef memcpy
511# ifdef HAS_BCOPY
512# define memcpy(d,s,l) bcopy(s,d,l)
513# else
514# define memcpy(d,s,l) my_bcopy(s,d,l)
515# endif
516# endif
517#endif /* HAS_MEMCPY */
fe14fcc3 518
ee0007ab 519#ifdef HAS_MEMSET
85e6fe83 520# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 521# ifndef memset
20ce7b12 522 extern char *memset (char*, int, int);
ee0007ab
LW		 523# endif
524# endif
ee0007ab 525#else
12ae5dfc 526# undef memset
fc36a67e 527# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 528#endif /* HAS_MEMSET */
529
85e6fe83 530#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 531# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 532# define memmove(d,s,l) bcopy(s,d,l)
533# else
2304df62 534# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 535# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 536# else
79072805 537# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 538# endif
352d5a3a 539# endif
d9d8d8de 540#endif
ee0007ab 541
36477c24 542#if defined(mips) && defined(ultrix) && !defined(__STDC__)
543# undef HAS_MEMCMP
544#endif
545
546#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 547# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 548# ifndef memcmp
20ce7b12 549 extern int memcmp (char*, char*, int);
ee0007ab
LW		 550# endif
551# endif
36477c24 552# ifdef BUGGY_MSC
553 # pragma function(memcmp)
554# endif
ee0007ab
LW		 555#else
556# ifndef memcmp
ecfc5424 557# define memcmp my_memcmp
352d5a3a 558# endif
36477c24 559#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 560
fc36a67e 561#ifndef memzero
c635e13b 562# ifdef HAS_MEMSET
563# define memzero(d,l) memset(d,0,l)
79072805 564# else
c635e13b 565# ifdef HAS_BZERO
566# define memzero(d,l) bzero(d,l)
79072805 567# else
fc36a67e 568# define memzero(d,l) my_bzero(d,l)
79072805
LW		 569# endif
570# endif
d9d8d8de 571#endif
378cc40b 572
0f27ced1
JH		 573#ifndef memchr
574# ifndef HAS_MEMCHR
575# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
576# endif
577#endif
578
36477c24 579#ifndef HAS_BCMP
580# ifndef bcmp
581# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 582# endif
36477c24 583#endif /* !HAS_BCMP */
378cc40b 584
ae986130 585#ifdef I_NETINET_IN
79072805 586# include <netinet/in.h>
ae986130
LW		 587#endif
588
28e8609d
JH		 589#ifdef I_ARPA_INET
590# include <arpa/inet.h>
591#endif
592
84902520
TB		 593#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
594/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
595 * (the neo-BSD seem to do this). */
596# undef SF_APPEND
597#endif
598
1aef975c 599#ifdef I_SYS_STAT
84902520 600# include <sys/stat.h>
1aef975c 601#endif
79072805 602
a0d0e21e
LW		 603/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
604 like UTekV) are broken, sometimes giving false positives. Undefine
605 them here and let the code below set them to proper values.
606
607 The ghs macro stands for GreenHills Software C-1.8.5 which
608 is the C compiler for sysV88 and the various derivatives.
609 This header file bug is corrected in gcc-2.5.8 and later versions.
610 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
611
612#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 613# undef S_ISDIR
614# undef S_ISCHR
615# undef S_ISBLK
616# undef S_ISREG
617# undef S_ISFIFO
618# undef S_ISLNK
ee0007ab 619#endif
135863df 620
663a0e37
LW		 621#ifdef I_TIME
622# include <time.h>
ffed7fef 623#endif
663a0e37 624
fe14fcc3 625#ifdef I_SYS_TIME
85e6fe83 626# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 627# define KERNEL
628# endif
629# include <sys/time.h>
85e6fe83 630# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 631# undef KERNEL
632# endif
a687059c 633#endif
135863df 634
55497cff 635#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 636# include <sys/times.h>
d9d8d8de 637#endif
8d063cd8 638
fe14fcc3 639#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 640# undef HAS_STRERROR
663a0e37
LW		 641#endif
642
643#include <errno.h>
1e743fda 644
acfe0abc 645#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 646# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
647#endif
648
4e0554ec
JH		 649/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
650#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
651# define _SOCKADDR_LEN
652#endif
653
8d3f517a 654#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 655# include <sys/socket.h>
656# if defined(USE_SOCKS) && defined(I_SOCKS)
657# if !defined(INCLUDE_PROTOTYPES)
658# define INCLUDE_PROTOTYPES /* for <socks.h> */
659# define PERL_SOCKS_NEED_PROTOTYPES
660# endif
4d1ff10f 661# ifdef USE_5005THREADS
c3dedce1 662# define PERL_USE_THREADS /* store our value */
4d1ff10f 663# undef USE_5005THREADS
c3dedce1 664# endif
1e743fda 665# include <socks.h>
4d1ff10f
AB		 666# ifdef USE_5005THREADS
667# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 668# endif
669# ifdef PERL_USE_THREADS
4d1ff10f 670# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 671# undef PERL_USE_THREADS
672# endif
1e743fda
JH		 673# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
674# undef INCLUDE_PROTOTYPES
675# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 676# endif
d460ef45 677# endif
1e743fda 678# ifdef I_NETDB
2986a63f
JH		 679# ifdef NETWARE
680# include<stdio.h>
681# endif
1e743fda
JH		 682# include <netdb.h>
683# endif
684# ifndef ENOTSOCK
685# ifdef I_NET_ERRNO
686# include <net/errno.h>
687# endif
688# endif
689#endif
690
fa0a29af 691/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 692 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 693#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 694int sockatmark(int);
695#endif
696
1e743fda
JH		 697#ifdef SETERRNO
698# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 699#endif
f86702cc 700
701#ifdef VMS
702# define SETERRNO(errcode,vmserrcode) \
703 STMT_START { \
704 set_errno(errcode); \
705 set_vaxc_errno(vmserrcode); \
706 } STMT_END
748a9306 707#else
aba27d88 708# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 709#endif
ed6116ce 710
4d1ff10f 711#ifdef USE_5005THREADS
38a03e6e 712# define ERRSV (thr->errsv)
940cb80d
MB		 713# define DEFSV THREADSV(0)
714# define SAVE_DEFSV save_threadsv(0)
38a03e6e 715#else
3280af22 716# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 717# define DEFSV GvSV(PL_defgv)
718# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 719#endif /* USE_5005THREADS */
38a03e6e 720
98eae8f5
GS		 721#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
722
55497cff 723#ifndef errno
5ff3f7a4
GS		 724 extern int errno; /* ANSI allows errno to be an lvalue expr.
725 * For example in multithreaded environments
726 * something like this might happen:
727 * extern int *_errno(void);
728 * #define errno (*_errno()) */
d9d8d8de 729#endif
663a0e37 730
2304df62 731#ifdef HAS_STRERROR
a0d0e21e 732# ifdef VMS
20ce7b12 733 char *strerror (int,...);
a0d0e21e 734# else
68dc0745 735#ifndef DONT_DECLARE_STD
20ce7b12 736 char *strerror (int);
68dc0745 737#endif
a0d0e21e 738# endif
2304df62
AD		 739# ifndef Strerror
740# define Strerror strerror
741# endif
742#else
743# ifdef HAS_SYS_ERRLIST
79072805
LW		 744 extern int sys_nerr;
745 extern char *sys_errlist[];
2304df62
AD		 746# ifndef Strerror
747# define Strerror(e) \
79072805 748 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 749# endif
79072805 750# endif
35c8bce7 751#endif
663a0e37 752
2304df62 753#ifdef I_SYS_IOCTL
79072805
LW		 754# ifndef _IOCTL_
755# include <sys/ioctl.h>
756# endif
a687059c
LW		 757#endif
758
ee0007ab 759#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 760# ifdef HAS_SOCKETPAIR
761# undef HAS_SOCKETPAIR
762# endif
2304df62
AD		 763# ifdef I_NDBM
764# undef I_NDBM
79072805 765# endif
a687059c
LW		 766#endif
767
02fc2eee
NC		 768#ifndef HAS_SOCKETPAIR
769# ifdef HAS_SOCKET
770# define socketpair Perl_my_socketpair
771# endif
772#endif
773
a687059c 774#if INTSIZE == 2
79072805
LW		 775# define htoni htons
776# define ntohi ntohs
a687059c 777#else
79072805
LW		 778# define htoni htonl
779# define ntohi ntohl
a687059c
LW		 780#endif
781
a0d0e21e 782/* Configure already sets Direntry_t */
35c8bce7 783#if defined(I_DIRENT)
663a0e37 784# include <dirent.h>
8f1f23e8
W		 785 /* NeXT needs dirent + sys/dir.h */
786# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 787# include <sys/dir.h>
788# endif
ae986130 789#else
fe14fcc3 790# ifdef I_SYS_NDIR
79a0689e 791# include <sys/ndir.h>
663a0e37 792# else
fe14fcc3 793# ifdef I_SYS_DIR
79a0689e
LW		 794# ifdef hp9000s500
795# include <ndir.h> /* may be wrong in the future */
796# else
797# include <sys/dir.h>
798# endif
663a0e37
LW		 799# endif
800# endif
4633a7c4 801#endif
a687059c 802
12ae5dfc
JH		 803#ifdef PERL_MICRO
804# ifndef DIR
805# define DIR void
806# endif
807#endif
808
352d5a3a
LW		 809#ifdef FPUTS_BOTCH
810/* work around botch in SunOS 4.0.1 and 4.0.2 */
811# ifndef fputs
79072805 812# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 813# endif
814#endif
815
c623bd54
LW		 816/*
817 * The following gobbledygook brought to you on behalf of __STDC__.
818 * (I could just use #ifndef __STDC__, but this is more bulletproof
819 * in the face of half-implementations.)
820 */
821
7114a2d2 822#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 823#include <sys/mode.h>
824#endif
825
c623bd54
LW		 826#ifndef S_IFMT
827# ifdef _S_IFMT
828# define S_IFMT _S_IFMT
829# else
830# define S_IFMT 0170000
831# endif
832#endif
833
834#ifndef S_ISDIR
835# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
836#endif
837
838#ifndef S_ISCHR
839# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
840#endif
841
842#ifndef S_ISBLK
fe14fcc3
LW		 843# ifdef S_IFBLK
844# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
845# else
846# define S_ISBLK(m) (0)
847# endif
c623bd54
LW		 848#endif
849
850#ifndef S_ISREG
851# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
852#endif
853
854#ifndef S_ISFIFO
fe14fcc3
LW		 855# ifdef S_IFIFO
856# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
857# else
858# define S_ISFIFO(m) (0)
859# endif
c623bd54
LW		 860#endif
861
862#ifndef S_ISLNK
863# ifdef _S_ISLNK
864# define S_ISLNK(m) _S_ISLNK(m)
865# else
866# ifdef _S_IFLNK
867# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
868# else
869# ifdef S_IFLNK
870# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
871# else
872# define S_ISLNK(m) (0)
873# endif
874# endif
875# endif
876#endif
877
878#ifndef S_ISSOCK
879# ifdef _S_ISSOCK
880# define S_ISSOCK(m) _S_ISSOCK(m)
881# else
882# ifdef _S_IFSOCK
883# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
884# else
885# ifdef S_IFSOCK
886# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
887# else
888# define S_ISSOCK(m) (0)
889# endif
890# endif
891# endif
892#endif
893
894#ifndef S_IRUSR
895# ifdef S_IREAD
896# define S_IRUSR S_IREAD
897# define S_IWUSR S_IWRITE
898# define S_IXUSR S_IEXEC
899# else
900# define S_IRUSR 0400
901# define S_IWUSR 0200
902# define S_IXUSR 0100
903# endif
fac7cdfc
JS		 904#endif
905
906#ifndef S_IRGRP
907# ifdef S_IRUSR
908# define S_IRGRP (S_IRUSR>>3)
909# define S_IWGRP (S_IWUSR>>3)
910# define S_IXGRP (S_IXUSR>>3)
911# else
912# define S_IRGRP 0040
913# define S_IWGRP 0020
914# define S_IXGRP 0010
915# endif
916#endif
917
918#ifndef S_IROTH
919# ifdef S_IRUSR
920# define S_IROTH (S_IRUSR>>6)
921# define S_IWOTH (S_IWUSR>>6)
922# define S_IXOTH (S_IXUSR>>6)
923# else
924# define S_IROTH 0040
925# define S_IWOTH 0020
926# define S_IXOTH 0010
927# endif
c623bd54
LW		 928#endif
929
930#ifndef S_ISUID
931# define S_ISUID 04000
932#endif
933
934#ifndef S_ISGID
935# define S_ISGID 02000
936#endif
937
ca6e1c26
JH		 938#ifndef S_IRWXU
939# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 940#endif
ca6e1c26
JH		 941
942#ifndef S_IRWXG
943# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 944#endif
ca6e1c26
JH		 945
946#ifndef S_IRWXO
947# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 948#endif
ca6e1c26 949
c21fb2b8
JH		 950/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
951 * which would get included through <sys/file.h >, but that is 3000
952 * lines in the future. --jhi */
953
954#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 955# define S_IREAD S_IRUSR
956#endif
957
c21fb2b8 958#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 959# define S_IWRITE S_IWUSR
960#endif
961
962#ifndef S_IEXEC
963# define S_IEXEC S_IXUSR
964#endif
965
79072805
LW		 966#ifdef ff_next
967# undef ff_next
352d5a3a
LW		 968#endif
969
a0d0e21e 970#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 971# define SLOPPYDIVIDE
972#endif
973
748a9306
LW		 974#ifdef UV
975#undef UV
976#endif
977
c89df6bf
JH		 978#ifdef SPRINTF_E_BUG
979# define sprintf UTS_sprintf_wrap
980#endif
981
c495e728
JH		 982/* Configure gets this right but the UTS compiler gets it wrong.
983 -- Hal Morris <hom00@utsglobal.com> */
984#ifdef UTS
985# undef UVTYPE
986# define UVTYPE unsigned
987#endif
988
05f13f53 989/*
27d4fb96 990 The IV type is supposed to be long enough to hold any integral
991 value or a pointer.
992 --Andy Dougherty August 1996
993*/
994
a22e52b9
JH		 995typedef IVTYPE IV;
996typedef UVTYPE UV;
8175356b 997
10cc9d2a 998#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 999# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1000# define IV_MAX INT64_MAX
1001# define IV_MIN INT64_MIN
1002# define UV_MAX UINT64_MAX
cae7ae48
JH		 1003# ifndef UINT64_MIN
1004# define UINT64_MIN 0
1005# endif
5ff3f7a4
GS		 1006# define UV_MIN UINT64_MIN
1007# else
1008# define IV_MAX PERL_QUAD_MAX
1009# define IV_MIN PERL_QUAD_MIN
1010# define UV_MAX PERL_UQUAD_MAX
1011# define UV_MIN PERL_UQUAD_MIN
1012# endif
cf2093f6
JH		 1013# define IV_IS_QUAD
1014# define UV_IS_QUAD
79072805 1015#else
8175356b 1016# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1017# define IV_MAX INT32_MAX
1018# define IV_MIN INT32_MIN
716026f9
DL		 1019# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1020# define UV_MAX UINT32_MAX
1021# else
1022# define UV_MAX 4294967295U
1023# endif
cae7ae48
JH		 1024# ifndef UINT32_MIN
1025# define UINT32_MIN 0
1026# endif
5ff3f7a4
GS		 1027# define UV_MIN UINT32_MIN
1028# else
1029# define IV_MAX PERL_LONG_MAX
1030# define IV_MIN PERL_LONG_MIN
1031# define UV_MAX PERL_ULONG_MAX
1032# define UV_MIN PERL_ULONG_MIN
1033# endif
8175356b 1034# if IVSIZE == 8
cf2093f6
JH		 1035# define IV_IS_QUAD
1036# define UV_IS_QUAD
de1c2614
JH		 1037# ifndef HAS_QUAD
1038# define HAS_QUAD
1039# endif
cf2093f6
JH		 1040# else
1041# undef IV_IS_QUAD
1042# undef UV_IS_QUAD
de1c2614 1043# undef HAS_QUAD
cf2093f6 1044# endif
79072805 1045#endif
d7d93a81 1046
6cde8aec 1047#if defined(uts) || defined(UTS)
11afe549
HM		 1048# undef UV_MAX
1049# define UV_MAX (4294967295u)
20601011
JH		 1050#endif
1051
cae7ae48 1052#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1053#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1054
28e5dec8 1055#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1056#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1057#endif
1058
d460ef45 1059/*
26bb67e2
JH		 1060 * The macros INT2PTR and NUM2PTR are (despite their names)
1061 * bi-directional: they will convert int/float to or from pointers.
1062 * However the conversion to int/float are named explicitly:
1063 * PTR2IV, PTR2UV, PTR2NV.
1064 *
1065 * For int conversions we do not need two casts if pointers are
1066 * the same size as IV and UV. Otherwise we need an explicit
1067 * cast (PTRV) to avoid compiler warnings.
1068 */
56431972
RB		 1069#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1070# define PTRV UV
1071# define INT2PTR(any,d) (any)(d)
1072#else
d460ef45 1073# if PTRSIZE == LONGSIZE
56431972 1074# define PTRV unsigned long
42718184 1075# else
56431972 1076# define PTRV unsigned
42718184 1077# endif
56431972 1078# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1079#endif
56431972
RB		 1080#define NUM2PTR(any,d) (any)(PTRV)(d)
1081#define PTR2IV(p) INT2PTR(IV,p)
1082#define PTR2UV(p) INT2PTR(UV,p)
1083#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1084#if PTRSIZE == LONGSIZE
d2560b70
RB		 1085# define PTR2ul(p) (unsigned long)(p)
1086#else
1087# define PTR2ul(p) INT2PTR(unsigned long,p)
1088#endif
d460ef45 1089
65202027 1090#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1091# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1092# define LONG_DOUBLE_EQUALS_DOUBLE
1093# endif
68d4903c 1094# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1095# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1096# endif
1097#endif
1098
2d4389e4
JH		 1099#ifdef OVR_DBL_DIG
1100/* Use an overridden DBL_DIG */
1101# ifdef DBL_DIG
1102# undef DBL_DIG
1103# endif
1104# define DBL_DIG OVR_DBL_DIG
1105#else
1106/* The following is all to get DBL_DIG, in order to pick a nice
1107 default value for printing floating point numbers in Gconvert.
1108 (see config.h)
1109*/
1110#ifdef I_LIMITS
1111#include <limits.h>
1112#endif
1113#ifdef I_FLOAT
1114#include <float.h>
1115#endif
1116#ifndef HAS_DBL_DIG
1117#define DBL_DIG 15 /* A guess that works lots of places */
1118#endif
1119#endif
cbca01e1
JH		 1120#ifdef I_FLOAT
1121#include <float.h>
1122#endif
1123#ifndef HAS_DBL_DIG
1124#define DBL_DIG 15 /* A guess that works lots of places */
1125#endif
2d4389e4
JH		 1126
1127#ifdef OVR_LDBL_DIG
1128/* Use an overridden LDBL_DIG */
1129# ifdef LDBL_DIG
1130# undef LDBL_DIG
1131# endif
1132# define LDBL_DIG OVR_LDBL_DIG
1133#else
1134/* The following is all to get LDBL_DIG, in order to pick a nice
1135 default value for printing floating point numbers in Gconvert.
1136 (see config.h)
1137*/
68d4903c
JH		 1138# ifdef I_LIMITS
1139# include <limits.h>
1140# endif
1141# ifdef I_FLOAT
1142# include <float.h>
1143# endif
1144# ifndef HAS_LDBL_DIG
1145# if LONG_DOUBLESIZE == 10
1146# define LDBL_DIG 18 /* assume IEEE */
1147# else
1148# if LONG_DOUBLESIZE == 12
1149# define LDBL_DIG 18 /* gcc? */
1150# else
1151# if LONG_DOUBLESIZE == 16
1152# define LDBL_DIG 33 /* assume IEEE */
1153# else
1154# if LONG_DOUBLESIZE == DOUBLESIZE
1155# define LDBL_DIG DBL_DIG /* bummer */
1156# endif
1157# endif
1158# endif
1159# endif
1160# endif
2d4389e4
JH		 1161#endif
1162
a22e52b9 1163typedef NVTYPE NV;
8175356b 1164
792d8dab
JH		 1165#ifdef I_IEEEFP
1166# include <ieeefp.h>
1167#endif
923fc586 1168
65202027 1169#ifdef USE_LONG_DOUBLE
923fc586
JH		 1170# ifdef I_SUNMATH
1171# include <sunmath.h>
1172# endif
2d4389e4 1173# define NV_DIG LDBL_DIG
d6c14000
JH		 1174# ifdef LDBL_MANT_DIG
1175# define NV_MANT_DIG LDBL_MANT_DIG
1176# endif
06fc1729
JH		 1177# ifdef LDBL_MIN
1178# define NV_MIN LDBL_MIN
1179# endif
1180# ifdef LDBL_MAX
1181# define NV_MAX LDBL_MAX
1182# endif
1183# ifdef LDBL_MIN_10_EXP
1184# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1185# endif
1186# ifdef LDBL_MAX_10_EXP
1187# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1188# endif
1189# ifdef LDBL_EPSILON
1190# define NV_EPSILON LDBL_EPSILON
1191# endif
f4a14a62
JH		 1192# ifdef LDBL_MAX
1193# define NV_MAX LDBL_MAX
1194# define NV_MIN LDBL_MIN
1195# else
1196# ifdef HUGE_VALL
1197# define NV_MAX HUGE_VALL
1198# else
1199# ifdef HUGE_VAL
1200# define NV_MAX ((NV)HUGE_VAL)
1201# endif
1202# endif
1203# endif
68d4903c 1204# ifdef HAS_SQRTL
68d4903c
JH		 1205# define Perl_cos cosl
1206# define Perl_sin sinl
1207# define Perl_sqrt sqrtl
1208# define Perl_exp expl
1209# define Perl_log logl
1210# define Perl_atan2 atan2l
1211# define Perl_pow powl
1212# define Perl_floor floorl
1213# define Perl_fmod fmodl
1214# endif
a3540c92
JH		 1215/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1216# ifdef HAS_MODFL
1217# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH		 1218# else
1219# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1220# endif
1221# ifdef HAS_FREXPL
dff3e0b8 1222# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1223# else
1224# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1225# endif
758a5d79
JH		 1226# ifndef Perl_isinf
1227# ifdef HAS_ISNANL
1228# define Perl_isnan(x) isnanl(x)
1229# endif
1230# endif
1231# ifndef Perl_isinf
1232# ifdef HAS_FINITEL
1233# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1234# endif
1235# endif
65202027 1236#else
2d4389e4 1237# define NV_DIG DBL_DIG
d6c14000
JH		 1238# ifdef DBL_MANT_DIG
1239# define NV_MANT_DIG DBL_MANT_DIG
1240# endif
06fc1729
JH		 1241# ifdef DBL_MIN
1242# define NV_MIN DBL_MIN
1243# endif
1244# ifdef DBL_MAX
1245# define NV_MAX DBL_MAX
1246# endif
1247# ifdef DBL_MIN_10_EXP
1248# define NV_MIN_10_EXP DBL_MIN_10_EXP
1249# endif
1250# ifdef DBL_MAX_10_EXP
1251# define NV_MAX_10_EXP DBL_MAX_10_EXP
1252# endif
1253# ifdef DBL_EPSILON
1254# define NV_EPSILON DBL_EPSILON
1255# endif
f4a14a62
JH		 1256# ifdef DBL_MAX
1257# define NV_MAX DBL_MAX
1258# define NV_MIN DBL_MIN
1259# else
1260# ifdef HUGE_VAL
1261# define NV_MAX HUGE_VAL
1262# endif
1263# endif
65202027
DS		 1264# define Perl_cos cos
1265# define Perl_sin sin
1266# define Perl_sqrt sqrt
1267# define Perl_exp exp
1268# define Perl_log log
1269# define Perl_atan2 atan2
1270# define Perl_pow pow
1271# define Perl_floor floor
65202027 1272# define Perl_fmod fmod
a3540c92 1273# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1274# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1275#endif
1276
1277/* rumor has it that Win32 has _fpclass() */
1278
1279#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1280# ifdef I_IEEFP
1281# include <ieeefp.h>
1282# endif
1283# ifdef I_FP
1284# include <fp.h>
1285# endif
1286# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1287# define Perl_fp_class() fpclassl(x)
1288# else
1289# define Perl_fp_class() fpclass(x)
1290# endif
1291# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1292# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1293# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1294# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1295# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1296# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1297# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1298# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1299# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1300# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1301# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1302# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1303# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1304# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1305# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1306#endif
1307
7114a2d2 1308#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1309# include <math.h>
1310# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1311# include <fp_class.h>
1312# endif
1313# define Perl_fp_class(x) fp_class(x)
1314# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1315# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1316# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1317# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1318# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1319# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1320# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1321# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1322# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1323# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1324# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1325# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1326# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1327# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1328# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1329#endif
1330
1331#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1332# include <math.h>
1333# define Perl_fp_class(x) fpclassify(x)
1334# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN|FP|_fp_classify(x)==QNAN)
1335# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1336# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1337# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1338# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1339#endif
1340
1341#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1342# include <math.h>
1343# ifndef _cplusplus
1344# define Perl_fp_class(x) class(x)
1345# else
1346# define Perl_fp_class(x) _class(x)
1347# endif
1348# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1349# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1350# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1351# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1352# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1353# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1354# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1355# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1356# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1357# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1358# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1359# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1360# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1361# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1362# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1363#endif
1364
1365/* rumor has it that Win32 has _isnan() */
1366
1367#ifndef Perl_isnan
a3540c92 1368# ifdef HAS_ISNAN
758a5d79
JH		 1369# define Perl_isnan(x) isnan((NV)x)
1370# else
1371# ifdef Perl_fp_class_nan
1372# define Perl_isnan(x) Perl_fp_class_nan(x)
1373# else
1374# ifdef HAS_UNORDERED
1375# define Perl_isnan(x) unordered((x), 0.0)
1376# else
1377# define Perl_isnan(x) ((x)!=(x))
1378# endif
1379# endif
1380# endif
1381#endif
1382
ca6c63e1
JH		 1383#ifdef UNDER_CE
1384int isnan(double d);
1385#endif
1386
758a5d79
JH		 1387#ifndef Perl_isinf
1388# ifdef HAS_ISINF
1389# define Perl_isinf(x) isinf((NV)x)
a3540c92 1390# else
758a5d79
JH		 1391# ifdef Perl_fp_class_inf
1392# define Perl_isinf(x) Perl_fp_class_inf(x)
1393# else
1394# define Perl_isinf(x) ((x)==NV_INF)
1395# endif
1396# endif
1397#endif
1398
1399#ifndef Perl_isfinite
1400# ifdef HAS_FINITE
1401# define Perl_isfinite(x) finite((NV)x)
1402# else
1403# ifdef HAS_ISFINITE
1404# define Perl_isfinite(x) isfinite(x)
1405# else
1406# ifdef Perl_fp_class_finite
1407# define Perl_isfinite(x) Perl_fp_class_finite(x)
1408# else
1409# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1410# endif
1411# endif
a3540c92 1412# endif
65202027
DS		 1413#endif
1414
1f727ac0
HS		 1415#define Perl_atof(s) Perl_my_atof(s)
1416#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1417
d460ef45 1418/* Previously these definitions used hardcoded figures.
760ac839
LW		 1419 * It is hoped these formula are more portable, although
1420 * no data one way or another is presently known to me.
1421 * The "PERL_" names are used because these calculated constants
1422 * do not meet the ANSI requirements for LONG_MAX, etc., which
1423 * need to be constants acceptable to #if - kja
1424 * define PERL_LONG_MAX 2147483647L
1425 * define PERL_LONG_MIN (-LONG_MAX - 1)
1426 * define PERL ULONG_MAX 4294967295L
1427 */
1428
1429#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1430# include <limits.h>
1431#else
1432#ifdef I_VALUES
1433# include <values.h>
1434#endif
1435#endif
1436
99abf803 1437/*
1438 * Try to figure out max and min values for the integral types. THE CORRECT
1439 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1440 * following hacks are used if neither limits.h or values.h provide them:
1441 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1442 * for types < int: (unsigned TYPE)~(unsigned)0
1443 * The argument to ~ must be unsigned so that later signed->unsigned
1444 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1445 * and it must not be smaller than int because ~ does integral promotion.
1446 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1447 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1448 * The latter is a hack which happens to work on some machines but
1449 * does *not* catch any random system, or things like integer types
1450 * with NaN if that is possible.
1451 *
1452 * All of the types are explicitly cast to prevent accidental loss of
1453 * numeric range, and in the hope that they will be less likely to confuse
1454 * over-eager optimizers.
1455 *
1456 */
27d4fb96 1457
99abf803 1458#define PERL_UCHAR_MIN ((unsigned char)0)
1459
1460#ifdef UCHAR_MAX
1461# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1462#else
99abf803 1463# ifdef MAXUCHAR
1464# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1465# else
99abf803 1466# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1467# endif
1468#endif
d460ef45 1469
99abf803 1470/*
1471 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1472 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1473 * depending on local options. Until Configure detects this (or at least
1474 * detects whether the "signed" keyword is available) the CHAR ranges
1475 * will not be included. UCHAR functions normally.
1476 * - kja
1477 */
27d4fb96 1478
99abf803 1479#define PERL_USHORT_MIN ((unsigned short)0)
1480
1481#ifdef USHORT_MAX
1482# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1483#else
99abf803 1484# ifdef MAXUSHORT
1485# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1486# else
ef2f54b0
CB		 1487# ifdef USHRT_MAX
1488# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1489# else
1490# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1491# endif
27d4fb96 1492# endif
1493#endif
1494
27d4fb96 1495#ifdef SHORT_MAX
99abf803 1496# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1497#else
1498# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1499# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1500# else
ef2f54b0
CB		 1501# ifdef SHRT_MAX
1502# define PERL_SHORT_MAX ((short)SHRT_MAX)
1503# else
1504# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1505# endif
27d4fb96 1506# endif
1507#endif
1508
1509#ifdef SHORT_MIN
99abf803 1510# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1511#else
1512# ifdef MINSHORT
99abf803 1513# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1514# else
ef2f54b0
CB		 1515# ifdef SHRT_MIN
1516# define PERL_SHORT_MIN ((short)SHRT_MIN)
1517# else
1518# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1519# endif
27d4fb96 1520# endif
1521#endif
1522
99abf803 1523#ifdef UINT_MAX
1524# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1525#else
99abf803 1526# ifdef MAXUINT
1527# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1528# else
99abf803 1529# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1530# endif
1531#endif
1532
99abf803 1533#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1534
1535#ifdef INT_MAX
99abf803 1536# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1537#else
1538# ifdef MAXINT /* Often used in <values.h> */
99abf803 1539# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1540# else
99abf803 1541# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1542# endif
1543#endif
1544
1545#ifdef INT_MIN
99abf803 1546# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1547#else
1548# ifdef MININT
99abf803 1549# define PERL_INT_MIN ((int)MININT)
27d4fb96 1550# else
1551# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1552# endif
1553#endif
1554
99abf803 1555#ifdef ULONG_MAX
1556# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1557#else
99abf803 1558# ifdef MAXULONG
1559# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1560# else
99abf803 1561# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1562# endif
1563#endif
1564
99abf803 1565#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1566
760ac839 1567#ifdef LONG_MAX
99abf803 1568# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1569#else
1570# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1571# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1572# else
99abf803 1573# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1574# endif
1575#endif
1576
1577#ifdef LONG_MIN
99abf803 1578# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1579#else
1580# ifdef MINLONG
99abf803 1581# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1582# else
27d4fb96 1583# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1584# endif
1585#endif
1586
d7d93a81 1587#ifdef UV_IS_QUAD
99abf803 1588
99abf803 1589# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1590# define PERL_UQUAD_MIN ((UV)0)
99abf803 1591# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1592# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1593
79072805
LW		 1594#endif
1595
880b20b6
IZ		 1596struct perl_mstats {
1597 UV *nfree;
1598 UV *ntotal;
1599 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1600 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1601 IV minbucket;
1602 /* Level 1 info */
1603 UV *bucket_mem_size;
1604 UV *bucket_available_size;
1605 UV nbuckets;
1606};
830247a4 1607struct RExC_state_t;
880b20b6 1608
ee0007ab 1609typedef MEM_SIZE STRLEN;
450a55e4 1610
79072805
LW		 1611typedef struct op OP;
1612typedef struct cop COP;
1613typedef struct unop UNOP;
1614typedef struct binop BINOP;
1615typedef struct listop LISTOP;
1616typedef struct logop LOGOP;
79072805
LW		 1617typedef struct pmop PMOP;
1618typedef struct svop SVOP;
7934575e 1619typedef struct padop PADOP;
79072805 1620typedef struct pvop PVOP;
79072805
LW		 1621typedef struct loop LOOP;
1622
93a17b20 1623typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1624
1625/* Amdahl's <ksync.h> has struct sv */
1626/* SGI's <sys/sema.h> has struct sv */
1627#if defined(UTS) || defined(__sgi)
1628# define STRUCT_SV perl_sv
b8d3c5db
JH		 1629#else
1630# define STRUCT_SV sv
1631#endif
1632typedef struct STRUCT_SV SV;
79072805
LW		 1633typedef struct av AV;
1634typedef struct hv HV;
1635typedef struct cv CV;
378cc40b 1636typedef struct regexp REGEXP;
79072805 1637typedef struct gp GP;
0c30d9ec 1638typedef struct gv GV;
8990e307 1639typedef struct io IO;
c09156bb 1640typedef struct context PERL_CONTEXT;
79072805
LW		 1641typedef struct block BLOCK;
1642
1643typedef struct magic MAGIC;
ed6116ce 1644typedef struct xrv XRV;
79072805
LW		 1645typedef struct xpv XPV;
1646typedef struct xpviv XPVIV;
ff68c719 1647typedef struct xpvuv XPVUV;
79072805
LW		 1648typedef struct xpvnv XPVNV;
1649typedef struct xpvmg XPVMG;
1650typedef struct xpvlv XPVLV;
1651typedef struct xpvav XPVAV;
1652typedef struct xpvhv XPVHV;
1653typedef struct xpvgv XPVGV;
1654typedef struct xpvcv XPVCV;
1655typedef struct xpvbm XPVBM;
1656typedef struct xpvfm XPVFM;
8990e307 1657typedef struct xpvio XPVIO;
79072805
LW		 1658typedef struct mgvtbl MGVTBL;
1659typedef union any ANY;
5f7fde29
GS		 1660typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1661typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1662typedef struct clone_params CLONE_PARAMS;
1663
8d063cd8 1664
378cc40b 1665#include "handy.h"
a0d0e21e 1666
6b8eaf93 1667#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1668# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1669# define USE_64_BIT_RAWIO /* implicit */
1670# endif
4564133c
JH		 1671#endif
1672
6b8eaf93
JH		 1673/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1674 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1675 * however, because operating systems like to do that themself. */
1676#ifndef FSEEKSIZE
1677# ifdef HAS_FSEEKO
1678# define FSEEKSIZE LSEEKSIZE
1679# else
1680# define FSEEKSIZE LONGSIZE
d460ef45 1681# endif
6b8eaf93
JH		 1682#endif
1683
1684#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1685# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1686# define USE_64_BIT_STDIO /* implicit */
1687# endif
1688#endif
4564133c 1689
09458382 1690#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1691# ifdef HAS_OFF64_T
1692# undef Off_t
1693# define Off_t off64_t
1694# undef LSEEKSIZE
1695# define LSEEKSIZE 8
5ff3f7a4 1696# endif
d9b3e12d
JH		 1697/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1698 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1699 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1700# if defined(USE_OPEN64)
1701# define open open64
5ff3f7a4 1702# endif
d9b3e12d
JH		 1703# if defined(USE_LSEEK64)
1704# define lseek lseek64
6b8eaf93
JH		 1705# else
1706# if defined(USE_LLSEEK)
1707# define lseek llseek
1708# endif
d9b3e12d
JH		 1709# endif
1710# if defined(USE_STAT64)
1711# define stat stat64
1712# endif
1713# if defined(USE_FSTAT64)
1714# define fstat fstat64
1715# endif
1716# if defined(USE_LSTAT64)
1717# define lstat lstat64
1718# endif
1719# if defined(USE_FLOCK64)
1720# define flock flock64
1721# endif
1722# if defined(USE_LOCKF64)
1723# define lockf lockf64
1724# endif
1725# if defined(USE_FCNTL64)
1726# define fcntl fcntl64
1727# endif
1728# if defined(USE_TRUNCATE64)
1729# define truncate truncate64
1730# endif
1731# if defined(USE_FTRUNCATE64)
1732# define ftruncate ftruncate64
1733# endif
1734#endif
1735
1736#ifdef USE_64_BIT_STDIO
1737# ifdef HAS_FPOS64_T
1738# undef Fpos_t
1739# define Fpos_t fpos64_t
1740# endif
1741/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1742 * will trigger defines like the ones below. Some 64-bit environments,
1743 * however, do not. */
1744# if defined(USE_FOPEN64)
1745# define fopen fopen64
1746# endif
1747# if defined(USE_FSEEK64)
6b8eaf93 1748# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1749# endif
1750# if defined(USE_FTELL64)
6b8eaf93 1751# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1752# endif
1753# if defined(USE_FSETPOS64)
1754# define fsetpos fsetpos64
1755# endif
1756# if defined(USE_FGETPOS64)
1757# define fgetpos fgetpos64
1758# endif
1759# if defined(USE_TMPFILE64)
1760# define tmpfile tmpfile64
1761# endif
1762# if defined(USE_FREOPEN64)
1763# define freopen freopen64
5ff3f7a4
GS		 1764# endif
1765#endif
1766
af8b425d 1767#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1768# include "iperlsys.h"
1769#endif
1770
6f71a643 1771#if defined(__OPEN_VM)
19848b3f
JH		 1772# include "vmesa/vmesaish.h"
1773# define ISHISH "vmesa"
6f71a643
JH		 1774#endif
1775
748a9306 1776#ifdef DOSISH
19848b3f
JH		 1777# if defined(OS2)
1778# include "os2ish.h"
1779# else
1780# include "dosish.h"
1781# endif
1782# define ISHISH "dos"
1783#endif
1784
1785#if defined(VMS)
748a9306 1786# include "vmsish.h"
96e176bf 1787# include "embed.h"
19848b3f
JH		 1788# define ISHISH "vms"
1789#endif
1790
1791#if defined(PLAN9)
1792# include "./plan9/plan9ish.h"
1793# define ISHISH "plan9"
1794#endif
1795
1796#if defined(MPE)
1797# include "mpeix/mpeixish.h"
1798# define ISHISH "mpeix"
1799#endif
1800
1801#if defined(__VOS__)
196918b0
PG		 1802# ifdef __GNUC__
1803# include "./vos/vosish.h"
1804# else
1805# include "vos/vosish.h"
1806# endif
19848b3f
JH		 1807# define ISHISH "vos"
1808#endif
1809
1810#if defined(EPOC)
1811# include "epocish.h"
1812# define ISHISH "epoc"
1813#endif
1814
1815#if defined(MACOS_TRADITIONAL)
1816# include "macos/macish.h"
1817# ifndef NO_ENVIRON_ARRAY
1818# define NO_ENVIRON_ARRAY
0c30d9ec 1819# endif
19848b3f
JH		 1820# define ISHISH "macos classic"
1821#endif
1822
efca5cc6
JH		 1823#if defined(__BEOS__)
1824# include "beos/beosish.h"
1825# define ISHISH "beos"
1826#endif
1827
19848b3f
JH		 1828#ifndef ISHISH
1829# include "unixish.h"
1830# define ISHISH "unix"
13b6e58c
JH		 1831#endif
1832
1833#ifndef NO_ENVIRON_ARRAY
1834# define USE_ENVIRON_ARRAY
1835#endif
32f822de 1836
c77b533b
JH		 1837/*
1838 * initialise to avoid floating-point exceptions from overflow, etc
1839 */
1840#ifndef PERL_FPU_INIT
1841# ifdef HAS_FPSETMASK
1842# if HAS_FLOATINGPOINT_H
1843# include <floatingpoint.h>
1844# endif
1845# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1846# else
7014c407
JH		 1847# if defined(SIGFPE) && defined(SIG_IGN)
1848# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1849# else
1850# define PERL_FPU_INIT
1851# endif
c77b533b
JH		 1852# endif
1853#endif
1854
ed344e4f
IZ		 1855#ifndef PERL_SYS_INIT3
1856# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1857#endif
1858
be708cc0
JH		 1859#ifndef PERL_WRITE_MSG_TO_CONSOLE
1860# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1861#endif
1862
0f31cffe
GS		 1863#ifndef MAXPATHLEN
1864# ifdef PATH_MAX
b990c8b2
JH		 1865# ifdef _POSIX_PATH_MAX
1866# if PATH_MAX > _POSIX_PATH_MAX
1867/* MAXPATHLEN is supposed to include the final null character,
1868 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1869# define MAXPATHLEN (PATH_MAX+1)
1870# else
1871# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1872# endif
1873# else
1874# define MAXPATHLEN (PATH_MAX+1)
1875# endif
0f31cffe 1876# else
b990c8b2
JH		 1877# ifdef _POSIX_PATH_MAX
1878# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1879# else
1880# define MAXPATHLEN 1024 /* Err on the large side. */
1881# endif
0f31cffe
GS		 1882# endif
1883#endif
1884
d460ef45 1885/*
4d1ff10f 1886 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1887 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1888 * this results in many functions being undeclared which bothers C++
1889 * May make sense to have threads after "*ish.h" anyway
1890 */
1891
4d1ff10f
AB		 1892#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1893# if defined(USE_5005THREADS)
79d59c5f
GS		 1894 /* pending resolution of licensing issues, we avoid the erstwhile
1895 * atomic.h everywhere */
1896# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1897# endif
2986a63f
JH		 1898# ifdef NETWARE
1899# include <nw5thread.h>
1900# else
32f822de
GS		 1901# ifdef FAKE_THREADS
1902# include "fakethr.h"
1903# else
1904# ifdef WIN32
1905# include <win32thread.h>
1906# else
dd96f567
IZ		 1907# ifdef OS2
1908# include "os2thread.h"
1909# else
7f3d1cf1 1910# ifdef I_MACH_CTHREADS
bdd66968 1911# include <mach/cthreads.h>
8f1f23e8 1912# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1913# define MUTEX_INIT_CALLS_MALLOC
1914# endif
7f3d1cf1
BH		 1915typedef cthread_t perl_os_thread;
1916typedef mutex_t perl_mutex;
1917typedef condition_t perl_cond;
1918typedef void * perl_key;
1919# else /* Posix threads */
1f5ae88c
JH		 1920# ifdef I_PTHREAD
1921# include <pthread.h>
1922# endif
7f3d1cf1
BH		 1923typedef pthread_t perl_os_thread;
1924typedef pthread_mutex_t perl_mutex;
1925typedef pthread_cond_t perl_cond;
1926typedef pthread_key_t perl_key;
1927# endif /* I_MACH_CTHREADS */
dd96f567 1928# endif /* OS2 */
32f822de
GS		 1929# endif /* WIN32 */
1930# endif /* FAKE_THREADS */
2986a63f 1931#endif /* NETWARE */
4d1ff10f 1932#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1933
66a93824 1934#if defined(WIN32)
1feb2720 1935# include "win32.h"
c5be433b
GS		 1936#endif
1937
2986a63f
JH		 1938#ifdef NETWARE
1939# include "netware.h"
1940#endif
1941
68dc0745 1942#ifdef VMS
6b88bc9c 1943# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1944# define STATUS_NATIVE_EXPORT \
d98f61e7 1945 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1946# define STATUS_NATIVE_SET(n) \
1947 STMT_START { \
6b88bc9c
GS		 1948 PL_statusvalue_vms = (n); \
1949 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1950 PL_statusvalue = -1; \
6b88bc9c 1951 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1952 PL_statusvalue = 0; \
6b88bc9c
GS		 1953 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1954 PL_statusvalue = 1 << 8; \
68dc0745 1955 else \
6b88bc9c 1956 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1957 } STMT_END
3280af22 1958# define STATUS_POSIX PL_statusvalue
68dc0745 1959# ifdef VMSISH_STATUS
1960# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1961# else
1962# define STATUS_CURRENT STATUS_POSIX
1963# endif
1964# define STATUS_POSIX_SET(n) \
1965 STMT_START { \
3280af22
NIS		 1966 PL_statusvalue = (n); \
1967 if (PL_statusvalue != -1) { \
1968 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1969 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1970 } \
6b88bc9c 1971 else PL_statusvalue_vms = -1; \
68dc0745 1972 } STMT_END
6b88bc9c
GS		 1973# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1974# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1975#else
1976# define STATUS_NATIVE STATUS_POSIX
1977# define STATUS_NATIVE_EXPORT STATUS_POSIX
1978# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1979# define STATUS_POSIX PL_statusvalue
68dc0745 1980# define STATUS_POSIX_SET(n) \
1981 STMT_START { \
3280af22
NIS		 1982 PL_statusvalue = (n); \
1983 if (PL_statusvalue != -1) \
1984 PL_statusvalue &= 0xFFFF; \
68dc0745 1985 } STMT_END
1986# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 1987# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
1988# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 1989#endif
1990
cc3604b1
GS		 1991/* flags in PL_exit_flags for nature of exit() */
1992#define PERL_EXIT_EXPECTED 0x01
31d77e54 1993#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 1994
0b94c7bb 1995#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 1996# define MEMBER_TO_FPTR(name) name
1997#endif
1998
1999/* format to use for version numbers in file/directory names */
273cf8d1 2000/* XXX move to Configure? */
a7cb1f99 2001#ifndef PERL_FS_VER_FMT
273cf8d1 2002# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2003#endif
2004
45bc9206 2005/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2006 * performance issue, so we allow people to disable it. Also, if
2007 * we are using stdio, there are broken implementations of fflush(NULL)
2008 * out there, Solaris being the most prominent.
45bc9206
GS		 2009 */
2010#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2011# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2012# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2013# else
2014# ifdef FFLUSH_ALL
2015# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2016# else
c5be433b 2017# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2018# endif
66fe083f 2019# endif
45bc9206
GS		 2020#endif
2021
7766f137
GS		 2022#ifndef PERL_WAIT_FOR_CHILDREN
2023# define PERL_WAIT_FOR_CHILDREN NOOP
2024#endif
2025
ba869deb 2026/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2027#ifndef PERL_SET_INTERP
2028# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2029#endif
2030
2031#ifndef PERL_GET_INTERP
2032# define PERL_GET_INTERP (PL_curinterp)
2033#endif
2034
54aff467 2035#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2036# ifdef USE_5005THREADS
ba869deb 2037# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2038# else
2039# ifdef MULTIPLICITY
ba869deb 2040# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2041# endif
2042# endif
ba869deb
GS		 2043# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2044#endif
2045
894356b3
GS		 2046#ifndef SVf
2047# ifdef CHECK_FORMAT
2048# define SVf "p"
2049# else
2050# define SVf "_"
d460ef45 2051# endif
894356b3
GS		 2052#endif
2053
d2560b70
RB		 2054#ifndef UVf
2055# ifdef CHECK_FORMAT
2056# define UVf UVuf
2057# else
2058# define UVf "Vu"
d460ef45 2059# endif
d2560b70
RB		 2060#endif
2061
2062#ifndef VDf
2063# ifdef CHECK_FORMAT
2064# define VDf "p"
2065# else
2066# define VDf "vd"
d460ef45 2067# endif
d2560b70
RB		 2068#endif
2069
b3fe4827
RB		 2070#ifndef Nullformat
2071# ifdef CHECK_FORMAT
2072# define Nullformat "%s",""
2073# else
2074# define Nullformat Nullch
2075# endif
2076#endif
2077
3fc1aec6 2078/* Some unistd.h's give a prototype for pause() even though
2079 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2080 below to be rejected by the compiler. Sigh.
3fc1aec6 2081*/
2082#ifdef HAS_PAUSE
2083#define Pause pause
2084#else
2085#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2086#endif
2087
2088#ifndef IOCPARM_LEN
2089# ifdef IOCPARM_MASK
2090 /* on BSDish systes we're safe */
2091# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2092# else
2093 /* otherwise guess at what's safe */
2094# define IOCPARM_LEN(x) 256
2095# endif
a0d0e21e
LW		 2096#endif
2097
1761cee5 2098#if defined(__CYGWIN__)
521e0776
GS		 2099/* USEMYBINMODE
2100 * This symbol, if defined, indicates that the program should
16fe6d59 2101 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2102 * that a file is in "binary" mode -- that is, that no translation
2103 * of bytes occurs on read or write operations.
2104 */
2105# define USEMYBINMODE / **/
16fe6d59
GS		 2106# define my_binmode(fp, iotype, mode) \
2107 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2108#endif
2109
cea2e8a9
GS		 2110#ifdef UNION_ANY_DEFINITION
2111UNION_ANY_DEFINITION;
2112#else
2113union any {
2114 void* any_ptr;
2115 I32 any_i32;
2116 IV any_iv;
2117 long any_long;
c76ac1ee 2118 void (*any_dptr) (void*);
acfe0abc 2119 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2120};
2121#endif
2122
4d1ff10f 2123#ifdef USE_5005THREADS
cea2e8a9
GS		 2124#define ARGSproto struct perl_thread *thr
2125#else
2126#define ARGSproto
4d1ff10f 2127#endif /* USE_5005THREADS */
cea2e8a9 2128
acfe0abc 2129typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2130
2131#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2132#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2133#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2134
af8b425d 2135#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2136# include "iperlsys.h"
2137#endif
378cc40b 2138#include "regexp.h"
79072805 2139#include "sv.h"
378cc40b 2140#include "util.h"
8d063cd8 2141#include "form.h"
79072805
LW		 2142#include "gv.h"
2143#include "cv.h"
abdd5c84 2144#include "opnames.h"
79072805
LW		 2145#include "op.h"
2146#include "cop.h"
2147#include "av.h"
2148#include "hv.h"
2149#include "mg.h"
2150#include "scope.h"
4438c4b7 2151#include "warnings.h"
a0ed51b3 2152#include "utf8.h"
8d063cd8 2153
7fae4e64
GS		 2154/* Current curly descriptor */
2155typedef struct curcur CURCUR;
2156struct curcur {
2157 int parenfloor; /* how far back to strip paren data */
2158 int cur; /* how many instances of scan we've matched */
2159 int min; /* the minimal number of scans to match */
2160 int max; /* the maximal number of scans to match */
2161 int minmod; /* whether to work our way up or down */
2162 regnode * scan; /* the thing to match */
2163 regnode * next; /* what has to match after it */
2164 char * lastloc; /* where we started matching this scan */
2165 CURCUR * oldcc; /* current curly before we started this one */
2166};
2167
2168typedef struct _sublex_info SUBLEXINFO;
2169struct _sublex_info {
2170 I32 super_state; /* lexer state to save */
2171 I32 sub_inwhat; /* "lex_inwhat" to use */
2172 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2173 char *super_bufptr; /* PL_bufptr that was */
2174 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2175};
2176
455ece5e 2177typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2178
2c2d71f5 2179struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2180struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2181
2182typedef I32 CHECKPOINT;
76e3520e 2183
5f7fde29
GS		 2184struct ptr_tbl_ent {
2185 struct ptr_tbl_ent* next;
2186 void* oldval;
2187 void* newval;
d18c6117
GS		 2188};
2189
5f7fde29
GS		 2190struct ptr_tbl {
2191 struct ptr_tbl_ent** tbl_ary;
2192 UV tbl_max;
2193 UV tbl_items;
d18c6117
GS		 2194};
2195
450a55e4 2196#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2197# define I286
2198#endif
2199
fe14fcc3
LW		 2200#if defined(htonl) && !defined(HAS_HTONL)
2201#define HAS_HTONL
ae986130 2202#endif
fe14fcc3
LW		 2203#if defined(htons) && !defined(HAS_HTONS)
2204#define HAS_HTONS
ae986130 2205#endif
fe14fcc3
LW		 2206#if defined(ntohl) && !defined(HAS_NTOHL)
2207#define HAS_NTOHL
ae986130 2208#endif
fe14fcc3
LW		 2209#if defined(ntohs) && !defined(HAS_NTOHS)
2210#define HAS_NTOHS
ae986130 2211#endif
fe14fcc3 2212#ifndef HAS_HTONL
d9d8d8de 2213#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2214#define HAS_HTONS
2215#define HAS_HTONL
2216#define HAS_NTOHS
2217#define HAS_NTOHL
a687059c
LW		 2218#define MYSWAP
2219#define htons my_swap
2220#define htonl my_htonl
2221#define ntohs my_swap
2222#define ntohl my_ntohl
2223#endif
2224#else
d9d8d8de 2225#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2226#undef HAS_HTONS
2227#undef HAS_HTONL
2228#undef HAS_NTOHS
2229#undef HAS_NTOHL
a687059c
LW		 2230#endif
2231#endif
2232
988174c1
LW		 2233/*
2234 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2235 * -DWS
2236 */
2237#if BYTEORDER != 0x1234
2238# define HAS_VTOHL
2239# define HAS_VTOHS
2240# define HAS_HTOVL
2241# define HAS_HTOVS
c67712b2 2242# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2243# define vtohl(x) ((((x)&0xFF)<<24) \
2244 +(((x)>>24)&0xFF) \
2245 +(((x)&0x0000FF00)<<8) \
2246 +(((x)&0x00FF0000)>>8) )
2247# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2248# define htovl(x) vtohl(x)
2249# define htovs(x) vtohs(x)
2250# endif
2251 /* otherwise default to functions in util.c */
2252#endif
2253
3bb7c1b4
JH		 2254/* *MAX Plus 1. A floating point value.
2255 Hopefully expressed in a way that dodgy floating point can't mess up.
2256 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2257 is added to it
2258 May find that some broken compiler will want the value cast to I32.
2259 [after the shift, as signed >> may not be as secure as unsigned >>]
2260*/
2261#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2262#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2263/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2264 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2265 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2266*/
2267#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2268
3bb7c1b4
JH		 2269#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2270#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2271#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2272
2273/* This may look like unnecessary jumping through hoops, but converting
2274 out of range floating point values to integers *is* undefined behaviour,
2275 and it is starting to bite.
2276*/
2277#ifndef CAST_INLINE
65202027 2278#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2279#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2280#define I_V(what) (cast_iv((NV)(what)))
2281#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2282#else
2283#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2284 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2285 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2286#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2287 : ((n) < U32_MAX_P1 ? (U32) (n) \
2288 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2289#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2290 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2291 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2292#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2293 : ((n) < UV_MAX_P1 ? (UV) (n) \
2294 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2295#endif
2296
2297#define U_S(what) ((U16)U_32(what))
2298#define U_I(what) ((unsigned int)U_32(what))
2299#define U_L(what) U_32(what)
ed6116ce 2300
2d4389e4
JH		 2301/* These do not care about the fractional part, only about the range. */
2302#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2303#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2304
25da4f38
IZ		 2305/* Used with UV/IV arguments: */
2306 /* XXXX: need to speed it up */
2307#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2308#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2309
352d5a3a
LW		 2310#ifndef MAXSYSFD
2311# define MAXSYSFD 2
2312#endif
ee0007ab 2313
79072805 2314#ifndef __cplusplus
e1caacb4 2315#ifndef UNDER_CE
20ce7b12
GS		 2316Uid_t getuid (void);
2317Uid_t geteuid (void);
2318Gid_t getgid (void);
2319Gid_t getegid (void);
79072805 2320#endif
e1caacb4 2321#endif
8d063cd8 2322
0c30d9ec 2323#ifndef Perl_debug_log
bf49b057
GS		 2324# define Perl_debug_log PerlIO_stderr()
2325#endif
2326
2327#ifndef Perl_error_log
2328# define Perl_error_log (PL_stderrgv \
01bb7c6d 2329 && GvIOp(PL_stderrgv) \
42de951c 2330 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2331 ? IoOFP(GvIOp(PL_stderrgv)) \
2332 : PerlIO_stderr())
0c30d9ec 2333#endif
3967c732 2334
aea4f609
DM		 2335
2336#define DEBUG_p_FLAG 0x00000001 /* 1 */
2337#define DEBUG_s_FLAG 0x00000002 /* 2 */
2338#define DEBUG_l_FLAG 0x00000004 /* 4 */
2339#define DEBUG_t_FLAG 0x00000008 /* 8 */
2340#define DEBUG_o_FLAG 0x00000010 /* 16 */
2341#define DEBUG_c_FLAG 0x00000020 /* 32 */
2342#define DEBUG_P_FLAG 0x00000040 /* 64 */
2343#define DEBUG_m_FLAG 0x00000080 /* 128 */
2344#define DEBUG_f_FLAG 0x00000100 /* 256 */
2345#define DEBUG_r_FLAG 0x00000200 /* 512 */
2346#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2347#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2348#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2349#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2350#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2351#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2352#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2353#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8
DM		 2354#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2355#define DEBUG_MASK 0x0007FFFF /* mask of all the standard flags */
aea4f609
DM		 2356
2357#define DEBUG_DB_RECURSE_FLAG 0x40000000
2358#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? */
2359
2360
bd16a5f0
IZ		 2361# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2362# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2363# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2364# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2365# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2366# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2367# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2368# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2369# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2370# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2371# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2372# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2373# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2374# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2375# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2376# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2377# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2378# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2379# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2380
3967c732 2381#ifdef DEBUGGING
aea4f609
DM		 2382
2383# undef YYDEBUG
2384# define YYDEBUG 1
2385
bd16a5f0
IZ		 2386# define DEBUG_p_TEST DEBUG_p_TEST_
2387# define DEBUG_s_TEST DEBUG_s_TEST_
2388# define DEBUG_l_TEST DEBUG_l_TEST_
2389# define DEBUG_t_TEST DEBUG_t_TEST_
2390# define DEBUG_o_TEST DEBUG_o_TEST_
2391# define DEBUG_c_TEST DEBUG_c_TEST_
2392# define DEBUG_P_TEST DEBUG_P_TEST_
2393# define DEBUG_m_TEST DEBUG_m_TEST_
2394# define DEBUG_f_TEST DEBUG_f_TEST_
2395# define DEBUG_r_TEST DEBUG_r_TEST_
2396# define DEBUG_x_TEST DEBUG_x_TEST_
2397# define DEBUG_u_TEST DEBUG_u_TEST_
2398# define DEBUG_L_TEST DEBUG_L_TEST_
2399# define DEBUG_H_TEST DEBUG_H_TEST_
2400# define DEBUG_X_TEST DEBUG_X_TEST_
2401# define DEBUG_D_TEST DEBUG_D_TEST_
2402# define DEBUG_S_TEST DEBUG_S_TEST_
2403# define DEBUG_T_TEST DEBUG_T_TEST_
2404# define DEBUG_R_TEST DEBUG_R_TEST_
aea4f609
DM		 2405
2406# define DEB(a) a
2407# define DEBUG(a) if (PL_debug) a
2408# define DEBUG_p(a) if (DEBUG_p_TEST) a
2409# define DEBUG_s(a) if (DEBUG_s_TEST) a
2410# define DEBUG_l(a) if (DEBUG_l_TEST) a
2411# define DEBUG_t(a) if (DEBUG_t_TEST) a
2412# define DEBUG_o(a) if (DEBUG_o_TEST) a
2413# define DEBUG_c(a) if (DEBUG_c_TEST) a
2414# define DEBUG_P(a) if (DEBUG_P_TEST) a
2415
969058bb
VK		 2416 /* Temporarily turn off memory debugging in case the a
2417 * does memory allocation, either directly or indirectly. */
acfe0abc 2418# define DEBUG_m(a) \
0b250b9e 2419 STMT_START { \
aea4f609 2420 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2421 } STMT_END
aea4f609 2422
5f80b19c
AMS		 2423# define DEBUG__(t, a) \
2424 STMT_START { \
2425 if (t) STMT_START {a;} STMT_END; \
2426 } STMT_END
2427
2428# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2429# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2430# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2431# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2432# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2433# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2434# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2435# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2436
4d1ff10f 2437# ifdef USE_5005THREADS
5f80b19c 2438# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2439# else
2440# define DEBUG_S(a)
2441# endif
aea4f609 2442
5f80b19c
AMS		 2443# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2444# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2445
2446#else /* DEBUGGING */
2447
2448# define DEBUG_p_TEST (0)
2449# define DEBUG_s_TEST (0)
2450# define DEBUG_l_TEST (0)
2451# define DEBUG_t_TEST (0)
2452# define DEBUG_o_TEST (0)
2453# define DEBUG_c_TEST (0)
2454# define DEBUG_P_TEST (0)
2455# define DEBUG_m_TEST (0)
2456# define DEBUG_f_TEST (0)
2457# define DEBUG_r_TEST (0)
2458# define DEBUG_x_TEST (0)
2459# define DEBUG_u_TEST (0)
2460# define DEBUG_L_TEST (0)
2461# define DEBUG_H_TEST (0)
2462# define DEBUG_X_TEST (0)
2463# define DEBUG_D_TEST (0)
2464# define DEBUG_S_TEST (0)
2465# define DEBUG_T_TEST (0)
04932ac8 2466# define DEBUG_R_TEST (0)
aea4f609
DM		 2467
2468# define DEB(a)
2469# define DEBUG(a)
2470# define DEBUG_p(a)
2471# define DEBUG_s(a)
2472# define DEBUG_l(a)
2473# define DEBUG_t(a)
2474# define DEBUG_o(a)
2475# define DEBUG_c(a)
2476# define DEBUG_P(a)
2477# define DEBUG_m(a)
2478# define DEBUG_f(a)
2479# define DEBUG_r(a)
2480# define DEBUG_x(a)
2481# define DEBUG_u(a)
2482# define DEBUG_L(a)
2483# define DEBUG_H(a)
2484# define DEBUG_X(a)
2485# define DEBUG_D(a)
2486# define DEBUG_S(a)
2487# define DEBUG_T(a)
04932ac8 2488# define DEBUG_R(a)
aea4f609
DM		 2489#endif /* DEBUGGING */
2490
2491
d1be9408 2492/* These constants should be used in preference to raw characters
14befaf4
DM		 2493 * when using magic. Note that some perl guts still assume
2494 * certain character properties of these constants, namely that
2495 * isUPPER() and toLOWER() may do useful mappings.
2496 *
2497 * Update the magic_names table in dump.c when adding/amending these
2498 */
2499
2500#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2501#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2502#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2503#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2504#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2505#define PERL_MAGIC_regdata 'D' /* Regex match position data
2506 (@+ and @- vars) */
2507#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2508#define PERL_MAGIC_env 'E' /* %ENV hash */
2509#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2510#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2511#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2512#define PERL_MAGIC_isa 'I' /* @ISA array */
2513#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2514#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2515#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2516#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2517#define PERL_MAGIC_mutex 'm' /* for lock op */
2518#define PERL_MAGIC_shared 'N' /* Shared between threads */
2519#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2520#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2521#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2522#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2523#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2524#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2525#define PERL_MAGIC_sig 'S' /* %SIG hash */
2526#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2527#define PERL_MAGIC_taint 't' /* Taintedness */
2528#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2529#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4
DM		 2530#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2531#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2532#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2533 smart parameter vivification */
2534#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2535#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2536#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2537#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2538#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2539
2540
fe14fcc3 2541#define YYMAXDEPTH 300
8d063cd8 2542
a6e633de 2543#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2544#ifdef DEBUGGING
2545#define assert(what) DEB( { \
2546 if (!(what)) { \
2547 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2548 __FILE__, __LINE__); \
2549 PerlProc_exit(1); \
2550 }})
2551#else
79072805
LW		 2552#define assert(what) DEB( { \
2553 if (!(what)) { \
cea2e8a9 2554 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2555 __FILE__, __LINE__); \
cea2e8a9 2556 PerlProc_exit(1); \
79072805 2557 }})
a6e633de 2558#endif
a446a88f 2559#endif
8d063cd8 2560
450a55e4 2561struct ufuncs {
24f81a43
DM		 2562 I32 (*uf_val)(pTHX_ IV, SV*);
2563 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2564 IV uf_index;
450a55e4
LW		 2565};
2566
14befaf4 2567/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2568 * XS code wanting to be backward compatible can do something
2569 * like the following:
c745e42c 2570
24f81a43 2571#ifndef PERL_MG_UFUNC
24f81a43
DM		 2572#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2573#endif
2574
2575static PERL_MG_UFUNC(foo_get, index, val)
2576{
2577 sv_setsv(val, ...);
2578 return TRUE;
2579}
2580
2581-- Doug MacEachern
2582
2583*/
2584
fc9c74e6 2585#ifndef PERL_MG_UFUNC
24f81a43 2586#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2587#endif
24f81a43 2588
fe14fcc3 2589/* Fix these up for __STDC__ */
68dc0745 2590#ifndef DONT_DECLARE_STD
20ce7b12 2591char *mktemp (char*);
37bd1396 2592#ifndef atof
20ce7b12 2593double atof (const char*);
a0d0e21e 2594#endif
37bd1396 2595#endif
79072805 2596
352d5a3a 2597#ifndef STANDARD_C
fe14fcc3 2598/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2599Time_t time();
8d063cd8 2600struct tm *gmtime(), *localtime();
092bebab 2601#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2602char *(strchr)(), *(strrchr)();
2603char *(strcpy)(), *(strcat)();
2604#else
93a17b20 2605char *strchr(), *strrchr();
378cc40b 2606char *strcpy(), *strcat();
9d116dd7 2607#endif
352d5a3a 2608#endif /* ! STANDARD_C */
8d063cd8 2609
79072805
LW		 2610
2611#ifdef I_MATH
2612# include <math.h>
2613#else
32f822de 2614START_EXTERN_C
20ce7b12
GS		 2615 double exp (double);
2616 double log (double);
2617 double log10 (double);
2618 double sqrt (double);
2619 double frexp (double,int*);
2620 double ldexp (double,int);
2621 double modf (double,double*);
2622 double sin (double);
2623 double cos (double);
2624 double atan2 (double,double);
2625 double pow (double,double);
32f822de 2626END_EXTERN_C
79072805
LW		 2627#endif
2628
aa8b85de
JH		 2629#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2630# define NV_INF LDBL_INFINITY
2631#endif
2632#if !defined(NV_INF) && defined(DBL_INFINITY)
2633# define NV_INF (NV)DBL_INFINITY
2634#endif
2635#if !defined(NV_INF) && defined(INFINITY)
2636# define NV_INF (NV)INFINITY
2637#endif
2638#if !defined(NV_INF) && defined(INF)
2639# define NV_INF (NV)INF
2640#endif
2641#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2642# define NV_INF (NV)HUGE_VALL
2643#endif
2644#if !defined(NV_INF) && defined(HUGE_VAL)
2645# define NV_INF (NV)HUGE_VAL
2646#endif
2647
2648#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2649# if !defined(NV_NAN) && defined(LDBL_NAN)
2650# define NV_NAN LDBL_NAN
2651# endif
2652# if !defined(NV_NAN) && defined(LDBL_QNAN)
2653# define NV_NAN LDBL_QNAN
2654# endif
2655# if !defined(NV_NAN) && defined(LDBL_SNAN)
2656# define NV_NAN LDBL_SNAN
2657# endif
2658#endif
2659#if !defined(NV_NAN) && defined(DBL_NAN)
2660# define NV_NAN (NV)DBL_NAN
2661#endif
2662#if !defined(NV_NAN) && defined(DBL_QNAN)
2663# define NV_NAN (NV)DBL_QNAN
2664#endif
2665#if !defined(NV_NAN) && defined(DBL_SNAN)
2666# define NV_NAN (NV)DBL_SNAN
2667#endif
2668#if !defined(NV_NAN) && defined(QNAN)
2669# define NV_NAN (NV)QNAN
2670#endif
2671#if !defined(NV_NAN) && defined(SNAN)
2672# define NV_NAN (NV)SNAN
2673#endif
2674#if !defined(NV_NAN) && defined(NAN)
2675# define NV_NAN (NV)NAN
2676#endif
2677
a0d0e21e 2678#ifndef __cplusplus
8f1f23e8 2679# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2680char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2681# else
fd8cd3a3 2682# if !defined(WIN32) && !defined(VMS)
20ce7b12 2683char *crypt (const char*, const char*);
5014db98 2684# endif /* !WIN32 */
8f1f23e8 2685# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2686# ifndef DONT_DECLARE_STD
2687# ifndef getenv
20ce7b12 2688char *getenv (const char*);
26618a56 2689# endif /* !getenv */
28ca6303 2690# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2691# ifdef _FILE_OFFSET_BITS
28ca6303 2692# if _FILE_OFFSET_BITS == 64
20ce7b12 2693Off_t lseek (int,Off_t,int);
0fc67700
JH		 2694# endif
2695# endif
bf0c440f 2696# endif
26618a56 2697# endif /* !DONT_DECLARE_STD */
20ce7b12 2698char *getlogin (void);
26618a56 2699#endif /* !__cplusplus */
79072805 2700
16d20bd9 2701#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2702#define UNLINK unlnk
20ce7b12 2703I32 unlnk (char*);
8d063cd8 2704#else
80252599 2705#define UNLINK PerlLIO_unlink
8d063cd8 2706#endif
a687059c 2707
fa0a29af
JH		 2708/* some versions of glibc are missing the setresuid() proto */
2709#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2710int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2711#endif
fa0a29af
JH		 2712/* some versions of glibc are missing the setresgid() proto */
2713#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2714int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2715#endif
2716
fe14fcc3 2717#ifndef HAS_SETREUID
85e6fe83
LW		 2718# ifdef HAS_SETRESUID
2719# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2720# define HAS_SETREUID
2721# endif
a687059c 2722#endif
fe14fcc3 2723#ifndef HAS_SETREGID
85e6fe83
LW		 2724# ifdef HAS_SETRESGID
2725# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2726# define HAS_SETREGID
2727# endif
a687059c 2728#endif
ee0007ab 2729
d543acb6 2730/* Sighandler_t defined in iperlsys.h */
ff68c719 2731
2732#ifdef HAS_SIGACTION
2733typedef struct sigaction Sigsave_t;
2734#else
2735typedef Sighandler_t Sigsave_t;
2736#endif
2737
ee0007ab
LW		 2738#define SCAN_DEF 0
2739#define SCAN_TR 1
2740#define SCAN_REPL 2
79072805
LW		 2741
2742#ifdef DEBUGGING
4633a7c4 2743# ifndef register
a0d0e21e
LW		 2744# define register
2745# endif
2746# define PAD_SV(po) pad_sv(po)
cea2e8a9 2747# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2748#else
6b88bc9c 2749# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2750# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2751#endif
2752
18f739ee 2753#ifdef MYMALLOC
772fe5b3 2754# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2755# define MALLOC_INIT \
2756 STMT_START { \
2757 PL_malloc_mutex = NULL; \
2758 MUTEX_INIT(&PL_malloc_mutex); \
2759 } STMT_END
2760# define MALLOC_TERM \
2761 STMT_START { \
2762 perl_mutex tmp = PL_malloc_mutex; \
2763 PL_malloc_mutex = NULL; \
2764 MUTEX_DESTROY(&tmp); \
2765 } STMT_END
2766# else
2767# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2768# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2769# endif
18f739ee
IZ		 2770#else
2771# define MALLOC_INIT
2772# define MALLOC_TERM
2773#endif
2774
b6d9d515 2775
0cb96387 2776typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2777typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
0cb96387 2778typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2779
940cb80d 2780/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2781#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2782
8f1f23e8
W		 2783/* NeXT has problems with crt0.o globals */
2784#if defined(__DYNAMIC__) && \
2785 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2786# if defined(NeXT) || defined(__NeXT)
2787# include <mach-o/dyld.h>
2788# define environ (*environ_pointer)
0c30d9ec 2789EXT char *** environ_pointer;
8f1f23e8 2790# else
82cabb9e 2791# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2792# include <crt_externs.h> /* for the env array */
2793# define environ (*_NSGetEnviron())
2794# endif
0c30d9ec 2795# endif
8f1f23e8
W		 2796#else
2797 /* VMS and some other platforms don't use the environ array */
13b6e58c 2798# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2799# if !defined(DONT_DECLARE_STD) || \
2800 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2801 defined(__sgi) || \
d460ef45 2802 defined(__DGUX)
8f1f23e8 2803extern char ** environ; /* environment variables supplied via exec */
a6c40364 2804# endif
8f1f23e8
W		 2805# endif
2806#endif
79072805 2807
73c4f7a1
GS		 2808START_EXTERN_C
2809
79072805 2810/* handy constants */
22c35a8c 2811EXTCONST char PL_warn_uninit[]
b89fed5f 2812 INIT("Use of uninitialized value%s%s");
22c35a8c 2813EXTCONST char PL_warn_nosemi[]
463ee0b2 2814 INIT("Semicolon seems to be missing");
22c35a8c 2815EXTCONST char PL_warn_reserved[]
463ee0b2 2816 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2817EXTCONST char PL_warn_nl[]
93a17b20 2818 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2819EXTCONST char PL_no_wrongref[]
a0d0e21e 2820 INIT("Can't use %s ref as %s ref");
22c35a8c 2821EXTCONST char PL_no_symref[]
748a9306 2822 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2823EXTCONST char PL_no_usym[]
8990e307 2824 INIT("Can't use an undefined value as %s reference");
22c35a8c 2825EXTCONST char PL_no_aelem[]
93a17b20 2826 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2827EXTCONST char PL_no_helem[]
93a17b20 2828 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2829EXTCONST char PL_no_modify[]
93a17b20 2830 INIT("Modification of a read-only value attempted");
22c35a8c 2831EXTCONST char PL_no_mem[]
93a17b20 2832 INIT("Out of memory!\n");
22c35a8c 2833EXTCONST char PL_no_security[]
463ee0b2 2834 INIT("Insecure dependency in %s%s");
22c35a8c 2835EXTCONST char PL_no_sock_func[]
93a17b20 2836 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2837EXTCONST char PL_no_dir_func[]
93a17b20 2838 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2839EXTCONST char PL_no_func[]
93a17b20 2840 INIT("The %s function is unimplemented");
22c35a8c 2841EXTCONST char PL_no_myglob[]
748a9306 2842 INIT("\"my\" variable %s can't be in a package");
93a17b20 2843
7575fa06 2844EXTCONST char PL_uuemap[65]
80252599
GS		 2845 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2846
2847
79072805 2848#ifdef DOINIT
22c35a8c
GS		 2849EXT char *PL_sig_name[] = { SIG_NAME };
2850EXT int PL_sig_num[] = { SIG_NUM };
79072805 2851#else
22c35a8c
GS		 2852EXT char *PL_sig_name[];
2853EXT int PL_sig_num[];
79072805
LW		 2854#endif
2855
3bd709b1 2856/* fast conversion and case folding tables */
bbce6d69 2857
79072805 2858#ifdef DOINIT
9d116dd7 2859#ifdef EBCDIC
22c35a8c 2860EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2861 0, 1, 2, 3, 4, 5, 6, 7,
2862 8, 9, 10, 11, 12, 13, 14, 15,
2863 16, 17, 18, 19, 20, 21, 22, 23,
2864 24, 25, 26, 27, 28, 29, 30, 31,
2865 32, 33, 34, 35, 36, 37, 38, 39,
2866 40, 41, 42, 43, 44, 45, 46, 47,
2867 48, 49, 50, 51, 52, 53, 54, 55,
2868 56, 57, 58, 59, 60, 61, 62, 63,
2869 64, 65, 66, 67, 68, 69, 70, 71,
2870 72, 73, 74, 75, 76, 77, 78, 79,
2871 80, 81, 82, 83, 84, 85, 86, 87,
2872 88, 89, 90, 91, 92, 93, 94, 95,
2873 96, 97, 98, 99, 100, 101, 102, 103,
2874 104, 105, 106, 107, 108, 109, 110, 111,
2875 112, 113, 114, 115, 116, 117, 118, 119,
2876 120, 121, 122, 123, 124, 125, 126, 127,
2877 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2878 'H', 'I', 138, 139, 140, 141, 142, 143,
2879 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2880 'Q', 'R', 154, 155, 156, 157, 158, 159,
2881 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2882 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2883 176, 177, 178, 179, 180, 181, 182, 183,
2884 184, 185, 186, 187, 188, 189, 190, 191,
2885 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2886 'h', 'i', 202, 203, 204, 205, 206, 207,
2887 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2888 'q', 'r', 218, 219, 220, 221, 222, 223,
2889 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2890 'y', 'z', 234, 235, 236, 237, 238, 239,
2891 240, 241, 242, 243, 244, 245, 246, 247,
2892 248, 249, 250, 251, 252, 253, 254, 255
2893};
2894#else /* ascii rather than ebcdic */
22c35a8c 2895EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2896 0, 1, 2, 3, 4, 5, 6, 7,
2897 8, 9, 10, 11, 12, 13, 14, 15,
2898 16, 17, 18, 19, 20, 21, 22, 23,
2899 24, 25, 26, 27, 28, 29, 30, 31,
2900 32, 33, 34, 35, 36, 37, 38, 39,
2901 40, 41, 42, 43, 44, 45, 46, 47,
2902 48, 49, 50, 51, 52, 53, 54, 55,
2903 56, 57, 58, 59, 60, 61, 62, 63,
2904 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2905 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2906 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2907 'x', 'y', 'z', 91, 92, 93, 94, 95,
2908 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2909 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2910 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2911 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2912 128, 129, 130, 131, 132, 133, 134, 135,
2913 136, 137, 138, 139, 140, 141, 142, 143,
2914 144, 145, 146, 147, 148, 149, 150, 151,
2915 152, 153, 154, 155, 156, 157, 158, 159,
2916 160, 161, 162, 163, 164, 165, 166, 167,
2917 168, 169, 170, 171, 172, 173, 174, 175,
2918 176, 177, 178, 179, 180, 181, 182, 183,
2919 184, 185, 186, 187, 188, 189, 190, 191,
2920 192, 193, 194, 195, 196, 197, 198, 199,
2921 200, 201, 202, 203, 204, 205, 206, 207,
2922 208, 209, 210, 211, 212, 213, 214, 215,
2923 216, 217, 218, 219, 220, 221, 222, 223,
2924 224, 225, 226, 227, 228, 229, 230, 231,
2925 232, 233, 234, 235, 236, 237, 238, 239,
2926 240, 241, 242, 243, 244, 245, 246, 247,
2927 248, 249, 250, 251, 252, 253, 254, 255
2928};
9d116dd7 2929#endif /* !EBCDIC */
79072805 2930#else
22c35a8c 2931EXTCONST unsigned char PL_fold[];
79072805
LW		 2932#endif
2933
2934#ifdef DOINIT
22c35a8c 2935EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2936 0, 1, 2, 3, 4, 5, 6, 7,
2937 8, 9, 10, 11, 12, 13, 14, 15,
2938 16, 17, 18, 19, 20, 21, 22, 23,
2939 24, 25, 26, 27, 28, 29, 30, 31,
2940 32, 33, 34, 35, 36, 37, 38, 39,
2941 40, 41, 42, 43, 44, 45, 46, 47,
2942 48, 49, 50, 51, 52, 53, 54, 55,
2943 56, 57, 58, 59, 60, 61, 62, 63,
2944 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2945 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2946 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2947 'x', 'y', 'z', 91, 92, 93, 94, 95,
2948 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2949 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2950 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2951 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2952 128, 129, 130, 131, 132, 133, 134, 135,
2953 136, 137, 138, 139, 140, 141, 142, 143,
2954 144, 145, 146, 147, 148, 149, 150, 151,
2955 152, 153, 154, 155, 156, 157, 158, 159,
2956 160, 161, 162, 163, 164, 165, 166, 167,
2957 168, 169, 170, 171, 172, 173, 174, 175,
2958 176, 177, 178, 179, 180, 181, 182, 183,
2959 184, 185, 186, 187, 188, 189, 190, 191,
2960 192, 193, 194, 195, 196, 197, 198, 199,
2961 200, 201, 202, 203, 204, 205, 206, 207,
2962 208, 209, 210, 211, 212, 213, 214, 215,
2963 216, 217, 218, 219, 220, 221, 222, 223,
2964 224, 225, 226, 227, 228, 229, 230, 231,
2965 232, 233, 234, 235, 236, 237, 238, 239,
2966 240, 241, 242, 243, 244, 245, 246, 247,
2967 248, 249, 250, 251, 252, 253, 254, 255
2968};
2969#else
22c35a8c 2970EXT unsigned char PL_fold_locale[];
79072805
LW		 2971#endif
2972
2973#ifdef DOINIT
9d116dd7 2974#ifdef EBCDIC
22c35a8c 2975EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2976 1, 2, 84, 151, 154, 155, 156, 157,
2977 165, 246, 250, 3, 158, 7, 18, 29,
2978 40, 51, 62, 73, 85, 96, 107, 118,
2979 129, 140, 147, 148, 149, 150, 152, 153,
2980 255, 6, 8, 9, 10, 11, 12, 13,
2981 14, 15, 24, 25, 26, 27, 28, 226,
2982 29, 30, 31, 32, 33, 43, 44, 45,
2983 46, 47, 48, 49, 50, 76, 77, 78,
2984 79, 80, 81, 82, 83, 84, 85, 86,
2985 87, 94, 95, 234, 181, 233, 187, 190,
2986 180, 96, 97, 98, 99, 100, 101, 102,
2987 104, 112, 182, 174, 236, 232, 229, 103,
2988 228, 226, 114, 115, 116, 117, 118, 119,
2989 120, 121, 122, 235, 176, 230, 194, 162,
2990 130, 131, 132, 133, 134, 135, 136, 137,
2991 138, 139, 201, 205, 163, 217, 220, 224,
2992 5, 248, 227, 244, 242, 255, 241, 231,
2993 240, 253, 16, 197, 19, 20, 21, 187,
2994 23, 169, 210, 245, 237, 249, 247, 239,
2995 168, 252, 34, 196, 36, 37, 38, 39,
2996 41, 42, 251, 254, 238, 223, 221, 213,
2997 225, 177, 52, 53, 54, 55, 56, 57,
2998 58, 59, 60, 61, 63, 64, 65, 66,
2999 67, 68, 69, 70, 71, 72, 74, 75,
3000 205, 208, 186, 202, 200, 218, 198, 179,
3001 178, 214, 88, 89, 90, 91, 92, 93,
3002 217, 166, 170, 207, 199, 209, 206, 204,
3003 160, 212, 105, 106, 108, 109, 110, 111,
3004 203, 113, 216, 215, 192, 175, 193, 243,
3005 172, 161, 123, 124, 125, 126, 127, 128,
3006 222, 219, 211, 195, 188, 193, 185, 184,
3007 191, 183, 141, 142, 143, 144, 145, 146
3008};
3009#else /* ascii rather than ebcdic */
22c35a8c 3010EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3011 1, 2, 84, 151, 154, 155, 156, 157,
3012 165, 246, 250, 3, 158, 7, 18, 29,
3013 40, 51, 62, 73, 85, 96, 107, 118,
3014 129, 140, 147, 148, 149, 150, 152, 153,
3015 255, 182, 224, 205, 174, 176, 180, 217,
3016 233, 232, 236, 187, 235, 228, 234, 226,
3017 222, 219, 211, 195, 188, 193, 185, 184,
3018 191, 183, 201, 229, 181, 220, 194, 162,
3019 163, 208, 186, 202, 200, 218, 198, 179,
3020 178, 214, 166, 170, 207, 199, 209, 206,
3021 204, 160, 212, 216, 215, 192, 175, 173,
3022 243, 172, 161, 190, 203, 189, 164, 230,
3023 167, 248, 227, 244, 242, 255, 241, 231,
3024 240, 253, 169, 210, 245, 237, 249, 247,
3025 239, 168, 252, 251, 254, 238, 223, 221,
3026 213, 225, 177, 197, 171, 196, 159, 4,
3027 5, 6, 8, 9, 10, 11, 12, 13,
3028 14, 15, 16, 17, 19, 20, 21, 22,
3029 23, 24, 25, 26, 27, 28, 30, 31,
3030 32, 33, 34, 35, 36, 37, 38, 39,
3031 41, 42, 43, 44, 45, 46, 47, 48,
3032 49, 50, 52, 53, 54, 55, 56, 57,
3033 58, 59, 60, 61, 63, 64, 65, 66,
3034 67, 68, 69, 70, 71, 72, 74, 75,
3035 76, 77, 78, 79, 80, 81, 82, 83,
3036 86, 87, 88, 89, 90, 91, 92, 93,
3037 94, 95, 97, 98, 99, 100, 101, 102,
3038 103, 104, 105, 106, 108, 109, 110, 111,
3039 112, 113, 114, 115, 116, 117, 119, 120,
3040 121, 122, 123, 124, 125, 126, 127, 128,
3041 130, 131, 132, 133, 134, 135, 136, 137,
3042 138, 139, 141, 142, 143, 144, 145, 146
3043};
9d116dd7 3044#endif
79072805 3045#else
22c35a8c 3046EXTCONST unsigned char PL_freq[];
79072805
LW		 3047#endif
3048
8990e307
LW		 3049#ifdef DEBUGGING
3050#ifdef DOINIT
22c35a8c 3051EXTCONST char* PL_block_type[] = {
8990e307
LW		 3052 "NULL",
3053 "SUB",
3054 "EVAL",
3055 "LOOP",
3056 "SUBST",
3057 "BLOCK",
3058};
3059#else
22c35a8c 3060EXTCONST char* PL_block_type[];
8990e307
LW		 3061#endif
3062#endif
3063
73c4f7a1
GS		 3064END_EXTERN_C
3065
79072805
LW		 3066/*****************************************************************************/
3067/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3068/*****************************************************************************/
8990e307 3069/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3070
a0d0e21e
LW		 3071#include "perly.h"
3072
fb73857a 3073#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3074
79072805
LW		 3075typedef enum {
3076 XOPERATOR,
3077 XTERM,
79072805 3078 XREF,
8990e307 3079 XSTATE,
a0d0e21e 3080 XBLOCK,
09bef843
SB		 3081 XATTRBLOCK,
3082 XATTRTERM,
a0d0e21e 3083 XTERMBLOCK
79072805
LW		 3084} expectation;
3085
dc9e4912
GS		 3086enum { /* pass one of these to get_vtbl */
3087 want_vtbl_sv,
3088 want_vtbl_env,
3089 want_vtbl_envelem,
3090 want_vtbl_sig,
3091 want_vtbl_sigelem,
3092 want_vtbl_pack,
3093 want_vtbl_packelem,
3094 want_vtbl_dbline,
3095 want_vtbl_isa,
3096 want_vtbl_isaelem,
3097 want_vtbl_arylen,
3098 want_vtbl_glob,
3099 want_vtbl_mglob,
3100 want_vtbl_nkeys,
3101 want_vtbl_taint,
3102 want_vtbl_substr,
3103 want_vtbl_vec,
3104 want_vtbl_pos,
3105 want_vtbl_bm,
3106 want_vtbl_fm,
3107 want_vtbl_uvar,
3108 want_vtbl_defelem,
3109 want_vtbl_regexp,
3110 want_vtbl_collxfrm,
3111 want_vtbl_amagic,
3112 want_vtbl_amagicelem,
4d1ff10f 3113#ifdef USE_5005THREADS
dc9e4912
GS		 3114 want_vtbl_mutex,
3115#endif
3116 want_vtbl_regdata,
810b8aa5
GS		 3117 want_vtbl_regdatum,
3118 want_vtbl_backref
dc9e4912
GS		 3119};
3120
85e6fe83
LW		 3121 /* Note: the lowest 8 bits are reserved for
3122 stuffing into op->op_private */
f3aa04c2 3123#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3124#define HINT_INTEGER 0x00000001
3125#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3126#define HINT_LOCALE 0x00000004
3127#define HINT_BYTES 0x00000008
393fec97 3128/* #define HINT_notused10 0x00000010 */
a0ed51b3 3129 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3130
3131#define HINT_BLOCK_SCOPE 0x00000100
3132#define HINT_STRICT_SUBS 0x00000200
3133#define HINT_STRICT_VARS 0x00000400
3134
b3ac6de7
IZ		 3135#define HINT_NEW_INTEGER 0x00001000
3136#define HINT_NEW_FLOAT 0x00002000
3137#define HINT_NEW_BINARY 0x00004000
3138#define HINT_NEW_STRING 0x00008000
3139#define HINT_NEW_RE 0x00010000
3140#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3141
b3eb6a9b 3142#define HINT_RE_TAINT 0x00100000
e4d48cc9 3143#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3144
5ff3f7a4 3145#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3146#define HINT_UTF8 0x00800000
5ff3f7a4 3147
84d4ea48
JH		 3148#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3149#define HINT_SORT_QUICKSORT 0x00000001
3150#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3151#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3152
8bfdd7d9 3153/* Various states of the input record separator SV (rs) */
d4cce5f1 3154#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3155#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3156#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3157#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3158
128e8167 3159/* A struct for keeping various DEBUGGING related stuff,
ce333219 3160 * neatly packed. Currently only scratch variables for
128e8167
JH		 3161 * constructing debug output are included. Needed always,
3162 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3163struct perl_debug_pad {
3164 SV pad[3];
3165};
3166
3167#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3168#define PERL_DEBUG_PAD_ZERO(i) (sv_setpvn(PERL_DEBUG_PAD(i), "", 0), PERL_DEBUG_PAD(i))
ce333219 3169
56953603 3170/* Enable variables which are pointers to functions */
a2efc822 3171typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3172typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3173typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3174 char* strend, char* strbeg, I32 minend,
3175 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3176typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3177 char *strpos, char *strend,
3178 U32 flags,
3179 struct re_scream_pos_data_s *d);
3180typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3181typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3182
c76ac1ee 3183typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3184typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3185typedef void (*SVFUNC_t) (pTHX_ SV*);
3186typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3187typedef void (*XSINIT_t) (pTHX);
3188typedef void (*ATEXIT_t) (pTHX_ void*);
3189typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3190
22239a37
NIS		 3191/* Set up PERLVAR macros for populating structs */
3192#define PERLVAR(var,type) type var;
51371543 3193#define PERLVARA(var,n,type) type var[n];
22239a37 3194#define PERLVARI(var,type,init) type var;
3fe35a81 3195#define PERLVARIC(var,type,init) type var;
22239a37 3196
58a50f62
GS		 3197/* Interpreter exitlist entry */
3198typedef struct exitlistentry {
acfe0abc 3199 void (*fn) (pTHX_ void*);
58a50f62
GS		 3200 void *ptr;
3201} PerlExitListEntry;
3202
22239a37
NIS		 3203#ifdef PERL_GLOBAL_STRUCT
3204struct perl_vars {
7766f137 3205# include "perlvars.h"
22239a37
NIS		 3206};
3207
7766f137 3208# ifdef PERL_CORE
533c011a
NIS		 3209EXT struct perl_vars PL_Vars;
3210EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3211# else /* PERL_CORE */
3212# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3213EXT
7766f137 3214# endif /* WIN32 */
533c011a 3215struct perl_vars *PL_VarsPtr;
7766f137
GS		 3216# define PL_Vars (*((PL_VarsPtr) \
3217 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3218# endif /* PERL_CORE */
22239a37
NIS		 3219#endif /* PERL_GLOBAL_STRUCT */
3220
acfe0abc 3221#if defined(MULTIPLICITY)
d460ef45 3222/* If we have multiple interpreters define a struct
d4cce5f1 3223 holding variables which must be per-interpreter
d460ef45 3224 If we don't have threads anything that would have
d4cce5f1
NIS		 3225 be per-thread is per-interpreter.
3226*/
3227
79072805 3228struct interpreter {
4d1ff10f 3229# ifndef USE_5005THREADS
7766f137
GS		 3230# include "thrdvar.h"
3231# endif
3232# include "intrpvar.h"
3233/*
3234 * The following is a buffer where new variables must
acfe0abc 3235 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3236 */
3237PERLVARA(object_compatibility,30, char)
49f531da 3238};
d4cce5f1 3239
79072805 3240#else
49f531da
NIS		 3241struct interpreter {
3242 char broiled;
3243};
acfe0abc 3244#endif /* MULTIPLICITY */
79072805 3245
4d1ff10f 3246#ifdef USE_5005THREADS
d4cce5f1
NIS		 3247/* If we have threads define a struct with all the variables
3248 * that have to be per-thread
49f531da 3249 */
8023c3ce 3250
79072805 3251
49f531da 3252struct perl_thread {
49f531da 3253#include "thrdvar.h"
79072805 3254};
d4cce5f1 3255
22fae026
TM		 3256typedef struct perl_thread *Thread;
3257
3258#else
3259typedef void *Thread;
22239a37
NIS		 3260#endif
3261
3262/* Done with PERLVAR macros for now ... */
d4cce5f1 3263#undef PERLVAR
51371543 3264#undef PERLVARA
d4cce5f1 3265#undef PERLVARI
3fe35a81 3266#undef PERLVARIC
79072805 3267
22239a37 3268#include "thread.h"
79072805 3269#include "pp.h"
864dbfa3
GS		 3270
3271#ifndef PERL_CALLCONV
3272# define PERL_CALLCONV
d460ef45 3273#endif
864dbfa3 3274
65f19062
GS		 3275#ifndef NEXT30_NO_ATTRIBUTE
3276# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3277# ifdef __attribute__ /* Avoid possible redefinition errors */
3278# undef __attribute__
3279# endif
3280# define __attribute__(attr)
3281# endif
3282#endif
3283
0cb96387
GS		 3284#undef PERL_CKDEF
3285#undef PERL_PPDEF
3286#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3287#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3288
7766f137 3289#include "proto.h"
864dbfa3 3290
0cb96387 3291/* this has structure inits, so it cannot be included before here */
acfe0abc 3292#include "opcode.h"
864dbfa3 3293
d4cce5f1
NIS		 3294/* The following must follow proto.h as #defines mess up syntax */
3295
22c35a8c
GS		 3296#if !defined(PERL_FOR_X2P)
3297# include "embedvar.h"
3298#endif
d4cce5f1 3299
d460ef45 3300/* Now include all the 'global' variables
d4cce5f1 3301 * If we don't have threads or multiple interpreters
d460ef45 3302 * these include variables that would have been their struct-s
d4cce5f1 3303 */
d460ef45 3304
533c011a 3305#define PERLVAR(var,type) EXT type PL_##var;
51371543 3306#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3307#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3308#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3309
acfe0abc 3310#if !defined(MULTIPLICITY)
7766f137 3311START_EXTERN_C
066ef5b5 3312# include "intrpvar.h"
4d1ff10f 3313# ifndef USE_5005THREADS
066ef5b5
GS		 3314# include "thrdvar.h"
3315# endif
7766f137 3316END_EXTERN_C
22239a37
NIS		 3317#endif
3318
acfe0abc 3319#if defined(WIN32)
66a93824 3320/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3321# include "embed.h"
acfe0abc 3322#endif
22239a37 3323
c5be433b
GS		 3324#ifndef PERL_GLOBAL_STRUCT
3325START_EXTERN_C
3326
3327# include "perlvars.h"
3328
3329END_EXTERN_C
3330#endif
3331
d4cce5f1 3332#undef PERLVAR
51371543 3333#undef PERLVARA
d4cce5f1 3334#undef PERLVARI
0f3f18a6 3335#undef PERLVARIC
79072805 3336
73c4f7a1
GS		 3337START_EXTERN_C
3338
79072805 3339#ifdef DOINIT
bbce6d69 3340
68795e93 3341EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3342 MEMBER_TO_FPTR(Perl_magic_set),
3343 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3344 0, 0};
2b260de0
GS		 3345EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3346 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3347 0};
2b260de0
GS		 3348EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3349 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3350 0};
22c35a8c 3351EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3352#ifdef PERL_MICRO
3353EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3354#else
2b260de0
GS		 3355EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3356 MEMBER_TO_FPTR(Perl_magic_setsig),
3357 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3358 0};
64ca3a65 3359#endif
68795e93
NIS		 3360EXT MGVTBL PL_vtbl_pack = {0, 0,
3361 MEMBER_TO_FPTR(Perl_magic_sizepack),
3362 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3363 0};
2b260de0 3364EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3365 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3366 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3367 0};
2b260de0 3368EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3369 0, 0, 0};
2b260de0
GS		 3370EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3371 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3372 0};
2b260de0 3373EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3374 0, 0, 0};
2b260de0
GS		 3375EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3376 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3377 0, 0, 0};
2b260de0
GS		 3378EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3379 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3380 0, 0, 0};
2b260de0 3381EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3382 0, 0, 0};
2b260de0
GS		 3383EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3384 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3385 0, 0, 0};
68795e93
NIS		 3386EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3387 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3388 0, 0, 0};
68795e93
NIS		 3389EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3390 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3391 0, 0, 0};
2b260de0 3392EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3393 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3394 0, 0, 0};
2b260de0
GS		 3395EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3396 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3397 0, 0, 0};
2b260de0 3398EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3399 0, 0, 0};
2b260de0 3400EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3401 0, 0, 0};
2b260de0
GS		 3402EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3403 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3404 0, 0, 0};
4d1ff10f 3405#ifdef USE_5005THREADS
68795e93
NIS		 3406EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3407 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3408#endif /* USE_5005THREADS */
68795e93
NIS		 3409EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3410 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3411 0, 0, 0};
a0d0e21e 3412
2b260de0
GS		 3413EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3414EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3415EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3416 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3417
36477c24 3418#ifdef USE_LOCALE_COLLATE
22c35a8c 3419EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3420 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3421 0, 0, 0};
3422#endif
a0d0e21e 3423
2b260de0
GS		 3424EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3425 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3426EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3427 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3428
810b8aa5 3429EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3430 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3431
d460ef45
NIS		 3432EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3433 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3434
bbce6d69 3435#else /* !DOINIT */
3436
22c35a8c
GS		 3437EXT MGVTBL PL_vtbl_sv;
3438EXT MGVTBL PL_vtbl_env;
3439EXT MGVTBL PL_vtbl_envelem;
3440EXT MGVTBL PL_vtbl_sig;
3441EXT MGVTBL PL_vtbl_sigelem;
3442EXT MGVTBL PL_vtbl_pack;
3443EXT MGVTBL PL_vtbl_packelem;
3444EXT MGVTBL PL_vtbl_dbline;
3445EXT MGVTBL PL_vtbl_isa;
3446EXT MGVTBL PL_vtbl_isaelem;
3447EXT MGVTBL PL_vtbl_arylen;
3448EXT MGVTBL PL_vtbl_glob;
3449EXT MGVTBL PL_vtbl_mglob;
3450EXT MGVTBL PL_vtbl_nkeys;
3451EXT MGVTBL PL_vtbl_taint;
3452EXT MGVTBL PL_vtbl_substr;
3453EXT MGVTBL PL_vtbl_vec;
3454EXT MGVTBL PL_vtbl_pos;
3455EXT MGVTBL PL_vtbl_bm;
3456EXT MGVTBL PL_vtbl_fm;
3457EXT MGVTBL PL_vtbl_uvar;
d460ef45 3458EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3459
4d1ff10f 3460#ifdef USE_5005THREADS
22c35a8c 3461EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3462#endif /* USE_5005THREADS */
f93b4edd 3463
22c35a8c
GS		 3464EXT MGVTBL PL_vtbl_defelem;
3465EXT MGVTBL PL_vtbl_regexp;
3466EXT MGVTBL PL_vtbl_regdata;
3467EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3468
36477c24 3469#ifdef USE_LOCALE_COLLATE
22c35a8c 3470EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3471#endif
a0d0e21e 3472
22c35a8c
GS		 3473EXT MGVTBL PL_vtbl_amagic;
3474EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3475
810b8aa5
GS		 3476EXT MGVTBL PL_vtbl_backref;
3477
bbce6d69 3478#endif /* !DOINIT */
85e6fe83 3479
f5284f61
IZ		 3480enum {
3481 fallback_amg, abs_amg,
3482 bool__amg, nomethod_amg,
3483 string_amg, numer_amg,
3484 add_amg, add_ass_amg,
3485 subtr_amg, subtr_ass_amg,
3486 mult_amg, mult_ass_amg,
3487 div_amg, div_ass_amg,
3488 modulo_amg, modulo_ass_amg,
3489 pow_amg, pow_ass_amg,
3490 lshift_amg, lshift_ass_amg,
3491 rshift_amg, rshift_ass_amg,
3492 band_amg, band_ass_amg,
3493 bor_amg, bor_ass_amg,
3494 bxor_amg, bxor_ass_amg,
3495 lt_amg, le_amg,
3496 gt_amg, ge_amg,
3497 eq_amg, ne_amg,
3498 ncmp_amg, scmp_amg,
3499 slt_amg, sle_amg,
3500 sgt_amg, sge_amg,
3501 seq_amg, sne_amg,
3502 not_amg, compl_amg,
3503 inc_amg, dec_amg,
3504 atan2_amg, cos_amg,
3505 sin_amg, exp_amg,
3506 log_amg, sqrt_amg,
3507 repeat_amg, repeat_ass_amg,
3508 concat_amg, concat_ass_amg,
3509 copy_amg, neg_amg,
3510 to_sv_amg, to_av_amg,
3511 to_hv_amg, to_gv_amg,
d460ef45 3512 to_cv_amg, iter_amg,
f216259d
IZ		 3513 int_amg, DESTROY_amg,
3514 max_amg_code
64a0062a 3515 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3516};
3517
3518#define NofAMmeth max_amg_code
89ffc314 3519#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3520
a0d0e21e 3521#ifdef DOINIT
22c35a8c 3522EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3523 /* Names kept in the symbol table. fallback => "()", the rest has
3524 "(" prepended. The only other place in perl which knows about
3525 this convention is AMG_id2name (used for debugging output and
3526 'nomethod' only), the only other place which has it hardwired is
3527 overload.pm. */
3528 "()", "(abs", /* "fallback" should be the first. */
3529 "(bool", "(nomethod",
3530 "(\"\"", "(0+",
3531 "(+", "(+=",
3532 "(-", "(-=",
3533 "(*", "(*=",
3534 "(/", "(/=",
3535 "(%", "(%=",
3536 "(**", "(**=",
3537 "(<<", "(<<=",
3538 "(>>", "(>>=",
3539 "(&", "(&=",
3540 "(|", "(|=",
3541 "(^", "(^=",
3542 "(<", "(<=",
3543 "(>", "(>=",
3544 "(==", "(!=",
3545 "(<=>", "(cmp",
3546 "(lt", "(le",
3547 "(gt", "(ge",
3548 "(eq", "(ne",
3549 "(!", "(~",
3550 "(++", "(--",
3551 "(atan2", "(cos",
3552 "(sin", "(exp",
3553 "(log", "(sqrt",
3554 "(x", "(x=",
3555 "(.", "(.=",
3556 "(=", "(neg",
3557 "(${}", "(@{}",
3558 "(%{}", "(*{}",
3559 "(&{}", "(<>",
f216259d 3560 "(int", "DESTROY",
a0d0e21e
LW		 3561};
3562#else
22c35a8c 3563EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3564#endif /* def INITAMAGIC */
3565
73c4f7a1
GS		 3566END_EXTERN_C
3567
a6006777 3568struct am_table {
a0d0e21e
LW		 3569 long was_ok_sub;
3570 long was_ok_am;
a6006777 3571 U32 flags;
3572 CV* table[NofAMmeth];
a0d0e21e
LW		 3573 long fallback;
3574};
a6006777 3575struct am_table_short {
3576 long was_ok_sub;
3577 long was_ok_am;
3578 U32 flags;
3579};
a0d0e21e 3580typedef struct am_table AMT;
a6006777 3581typedef struct am_table_short AMTS;
a0d0e21e
LW		 3582
3583#define AMGfallNEVER 1
3584#define AMGfallNO 2
3585#define AMGfallYES 3
3586
a6006777 3587#define AMTf_AMAGIC 1
32251b26 3588#define AMTf_OVERLOADED 2
a6006777 3589#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3590#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3591#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3592#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3593#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3594#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3595
32251b26 3596#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3597
3598/*
3599 * some compilers like to redefine cos et alia as faster
3600 * (and less accurate?) versions called F_cos et cetera (Quidquid
3601 * latine dictum sit, altum viditur.) This trick collides with
3602 * the Perl overloading (amg). The following #defines fool both.
3603 */
3604
3605#ifdef _FASTMATH
3606# ifdef atan2
3607# define F_atan2_amg atan2_amg
3608# endif
3609# ifdef cos
3610# define F_cos_amg cos_amg
3611# endif
3612# ifdef exp
3613# define F_exp_amg exp_amg
3614# endif
3615# ifdef log
3616# define F_log_amg log_amg
3617# endif
3618# ifdef pow
3619# define F_pow_amg pow_amg
3620# endif
3621# ifdef sin
3622# define F_sin_amg sin_amg
3623# endif
3624# ifdef sqrt
3625# define F_sqrt_amg sqrt_amg
3626# endif
3627#endif /* _FASTMATH */
3628
83ee9e09
GS		 3629#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3630 PERLDBf_NOOPT | PERLDBf_INTER | \
3631 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3632 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3633 /* No _NONAME, _GOTO */
3634#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3635#define PERLDBf_LINE 0x02 /* Keep line # */
3636#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3637#define PERLDBf_INTER 0x08 /* Preserve more data for
3638 later inspections */
3639#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3640#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3641#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3642#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3643#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3644#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3645
3280af22
NIS		 3646#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3647#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3648#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3649#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3650#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3651#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3652#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3653#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3654#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3655#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3656
bbce6d69 3657
36477c24 3658#ifdef USE_LOCALE_NUMERIC
bbce6d69 3659
36477c24 3660#define SET_NUMERIC_STANDARD() \
ff4fed7c 3661 set_numeric_standard();
36477c24 3662
3663#define SET_NUMERIC_LOCAL() \
ff4fed7c 3664 set_numeric_local();
bbce6d69 3665
2de3dbcc
JH		 3666#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3667#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3668
3669#define IN_LOCALE \
3670 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3671
f93f4e46 3672#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3673 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3674 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3675
3676#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3677 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3678 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3679
3680#define RESTORE_NUMERIC_LOCAL() \
3681 if (was_local) SET_NUMERIC_LOCAL();
3682
3683#define RESTORE_NUMERIC_STANDARD() \
3684 if (was_standard) SET_NUMERIC_STANDARD();
3685
5b877257 3686#define Atof my_atof
097ee67d 3687
36477c24 3688#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3689
097ee67d
JH		 3690#define SET_NUMERIC_STANDARD() /**/
3691#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3692#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3693#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3694#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3695#define RESTORE_NUMERIC_LOCAL() /**/
3696#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3697#define Atof Perl_atof
ad3e0f90 3698#define IN_LOCALE_RUNTIME 0
bbce6d69 3699
36477c24 3700#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3701
079290de 3702#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3703# ifdef __hpux
3704# define strtoll __strtoll /* secret handshake */
3705# endif
079290de
GS		 3706# if !defined(Strtol) && defined(HAS_STRTOLL)
3707# define Strtol strtoll
ad551343 3708# endif
28e5dec8
JH		 3709# if !defined(Strtol) && defined(HAS_STRTOQ)
3710# define Strtol strtoq
3711# endif
ff935051 3712/* is there atoq() anywhere? */
15b99d39 3713#endif
079290de
GS		 3714#if !defined(Strtol) && defined(HAS_STRTOL)
3715# define Strtol strtol
3716#endif
3717#ifndef Atol
3718/* It would be more fashionable to use Strtol() to define atol()
3719 * (as is done for Atoul(), see below) but for backward compatibility
3720 * we just assume atol(). */
76b882ba
JH		 3721# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3722# define Atol atoll
3723# else
3724# define Atol atol
3725# endif
cf2093f6
JH		 3726#endif
3727
55eb892c 3728#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3729# ifdef __hpux
3730# define strtoull __strtoull /* secret handshake */
3731# endif
ad551343 3732# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3733# define Strtoul strtoull
15b99d39 3734# endif
079290de
GS		 3735# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3736# define Strtoul strtouq
3737# endif
76d49b1c 3738/* is there atouq() anywhere? */
ad551343 3739#endif
079290de
GS		 3740#if !defined(Strtoul) && defined(HAS_STRTOUL)
3741# define Strtoul strtoul
cf2093f6 3742#endif
079290de
GS		 3743#ifndef Atoul
3744# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3745#endif
cf2093f6 3746
e5c9fcd0 3747#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3748/*
3749 * Now we have __attribute__ out of the way
3750 * Remap printf
760ac839 3751 */
39455587 3752#undef printf
c745e42c
NIS		 3753#ifdef __GNUC__
3754#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3755#else
760ac839
LW		 3756#define printf PerlIO_stdoutf
3757#endif
c745e42c 3758#endif
760ac839 3759
06d86050
GS		 3760/* if these never got defined, they need defaults */
3761#ifndef PERL_SET_CONTEXT
3762# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3763#endif
3764
3765#ifndef PERL_GET_CONTEXT
3766# define PERL_GET_CONTEXT PERL_GET_INTERP
3767#endif
3768
3769#ifndef PERL_GET_THX
3770# define PERL_GET_THX ((void*)NULL)
3771#endif
3772
3773#ifndef PERL_SET_THX
3774# define PERL_SET_THX(t) NOOP
3775#endif
3776
a868473f
NIS		 3777#ifndef PERL_SCRIPT_MODE
3778#define PERL_SCRIPT_MODE "r"
3779#endif
3780
fba3b22e 3781/*
da927450
JH		 3782 * Some operating systems are stingy with stack allocation,
3783 * so perl may have to guard against stack overflow.
3784 */
3785#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3786#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3787#endif
3788
3789/*
3790 * Some nonpreemptive operating systems find it convenient to
3791 * check for asynchronous conditions after each op execution.
3792 * Keep this check simple, or it may slow down execution
3793 * massively.
3794 */
ce08f86c 3795
1d615522
JH		 3796#ifndef PERL_MICRO
3797# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3798# ifndef PERL_ASYNC_CHECK
3799# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3800# endif
1d615522 3801# endif
ce08f86c
NIS		 3802#endif
3803
da927450 3804#ifndef PERL_ASYNC_CHECK
1d615522 3805# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3806#endif
3807
3808/*
3809 * On some operating systems, a memory allocation may succeed,
3810 * but put the process too close to the system's comfort limit.
3811 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3812 * it to NULL.
3813 */
3814#ifndef PERL_ALLOC_CHECK
c2af87cb 3815#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3816#endif
3817
3818/*
fba3b22e
MB		 3819 * nice_chunk and nice_chunk size need to be set
3820 * and queried under the protection of sv_mutex
3821 */
30ad99e7
MJD		 3822#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3823 void *new_chunk; \
3824 U32 new_chunk_size; \
3825 LOCK_SV_MUTEX; \
3826 new_chunk = (void *)(chunk); \
3827 new_chunk_size = (chunk_size); \
3828 if (new_chunk_size > PL_nice_chunk_size) { \
3829 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3830 PL_nice_chunk = new_chunk; \
3831 PL_nice_chunk_size = new_chunk_size; \
3832 } else { \
3833 Safefree(chunk); \
3834 } \
3835 UNLOCK_SV_MUTEX; \
3836 } STMT_END
fba3b22e 3837
bd89102f
AD		 3838#ifdef HAS_SEM
3839# include <sys/ipc.h>
3840# include <sys/sem.h>
3841# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3842 union semun {
dbba660d
TC		 3843 int val;
3844 struct semid_ds *buf;
3845 unsigned short *array;
bd89102f
AD		 3846 };
3847# endif
3848# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3849# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3850 union gccbug_semun {
3851 int val;
3852 struct semid_ds *buf;
3853 unsigned short *array;
3854 char __dummy[5];
3855 };
3856# define semun gccbug_semun
3857# endif
bd89102f
AD		 3858# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3859# else
3860# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3861# ifdef EXTRA_F_IN_SEMUN_BUF
3862# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3863# else
3864# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3865# endif
bd89102f
AD		 3866# endif
3867# endif
bd89102f 3868#endif
49f531da 3869
89ca4ac7
JH		 3870/*
3871 * Boilerplate macros for initializing and accessing interpreter-local
3872 * data from C. All statics in extensions should be reworked to use
3873 * this, if you want to make the extension thread-safe. See ext/re/re.xs
3874 * for an example of the use of these macros.
3875 *
3876 * Code that uses these macros is responsible for the following:
3877 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
3878 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3879 * all the data that needs to be interpreter-local.
3880 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3881 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3882 * (typically put in the BOOT: section).
3883 * 5. Use the members of the my_cxt_t structure everywhere as
3884 * MY_CXT.member.
3885 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3886 * access MY_CXT.
3887 */
3888
fc958cd2 3889#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3890
3891/* This must appear in all extensions that define a my_cxt_t structure,
3892 * right after the definition (i.e. at file scope). The non-threads
3893 * case below uses it to declare the data as static. */
3894#define START_MY_CXT
3895
3896/* Fetches the SV that keeps the per-interpreter data. */
3897#define dMY_CXT_SV \
3898 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3899 sizeof(MY_CXT_KEY)-1, TRUE)
3900
3901/* This declaration should be used within all functions that use the
3902 * interpreter-local data. */
3903#define dMY_CXT \
3904 dMY_CXT_SV; \
ec0e15e0 3905 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 3906
3907/* Creates and zeroes the per-interpreter data.
3908 * (We allocate my_cxtp in a Perl SV so that it will be released when
3909 * the interpreter goes away.) */
3910#define MY_CXT_INIT \
3911 dMY_CXT_SV; \
3912 /* newSV() allocates one more than needed */ \
3913 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3914 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 3915 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 3916
3917/* This macro must be used to access members of the my_cxt_t structure.
3918 * e.g. MYCXT.some_data */
3919#define MY_CXT (*my_cxtp)
3920
3921/* Judicious use of these macros can reduce the number of times dMY_CXT
3922 * is used. Use is similar to pTHX, aTHX etc. */
3923#define pMY_CXT my_cxt_t *my_cxtp
3924#define pMY_CXT_ pMY_CXT,
3925#define _pMY_CXT ,pMY_CXT
3926#define aMY_CXT my_cxtp
3927#define aMY_CXT_ aMY_CXT,
3928#define _aMY_CXT ,aMY_CXT
3929
3930#else /* USE_ITHREADS */
3931
3932#define START_MY_CXT static my_cxt_t my_cxt;
3933#define dMY_CXT_SV dNOOP
3934#define dMY_CXT dNOOP
3935#define MY_CXT_INIT NOOP
3936#define MY_CXT my_cxt
3937
3938#define pMY_CXT void
3939#define pMY_CXT_
3940#define _pMY_CXT
3941#define aMY_CXT
3942#define aMY_CXT_
3943#define _aMY_CXT
3944
3945#endif /* !defined(USE_ITHREADS) */
3946
9a34ef1d
GS		 3947#ifdef I_FCNTL
3948# include <fcntl.h>
9a34ef1d
GS		 3949#endif
3950
3951#ifdef I_SYS_FILE
3952# include <sys/file.h>
3953#endif
3954
fa0a29af 3955#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 3956int flock(int fd, int op);
3957#endif
3958
fe52b3b7
GS		 3959#ifndef O_RDONLY
3960/* Assume UNIX defaults */
3961# define O_RDONLY 0000
3962# define O_WRONLY 0001
3963# define O_RDWR 0002
3964# define O_CREAT 0100
3965#endif
9a34ef1d 3966
16fe6d59
GS		 3967#ifndef O_BINARY
3968# define O_BINARY 0
3969#endif
3970
3971#ifndef O_TEXT
3972# define O_TEXT 0
3973#endif
3974
6ce75a77
JH		 3975#if O_TEXT != O_BINARY
3976 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
3977 * that is, you are somehow DOSish. */
73250e76 3978# if defined(__BEOS__) || defined(__VOS__)
a6e45062
JH		 3979 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
3980 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 3981 /* VOS has O_TEXT != O_BINARY, and they have effect,
3982 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 3983 /* If you have O_TEXT different from your O_BINARY but you still are
3984 * not a CRLF shop. */
35990314 3985# undef PERLIO_USING_CRLF
ec53fe4f
JH		 3986# else
3987 /* If you really are DOSish. */
3988# define PERLIO_USING_CRLF 1
6ce75a77
JH		 3989# endif
3990#endif
3991
104d25b7
JH		 3992#ifdef IAMSUID
3993
3994#ifdef I_SYS_STATVFS
9f982a77
IG		 3995# if defined(PERL_SCO) && !defined(_SVID3)
3996# define _SVID3
3997# endif
32b3cf08
JH		 3998# include <sys/statvfs.h> /* for f?statvfs() */
3999#endif
4000#ifdef I_SYS_MOUNT
4001# include <sys/mount.h> /* for *BSD f?statfs() */
4002#endif
4003#ifdef I_MNTENT
4004# include <mntent.h> /* for getmntent() */
104d25b7 4005#endif
0545a864
JH		 4006#ifdef I_SYS_STATFS
4007# include <sys/statfs.h> /* for some statfs() */
4008#endif
4009#ifdef I_SYS_VFS
8d9e1a19
GS		 4010# ifdef __sgi
4011# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4012# endif
4013# include <sys/vfs.h> /* for some statfs() */
4014# ifdef __sgi
4015# undef IRIX_sv
4016# endif
0545a864
JH		 4017#endif
4018#ifdef I_USTAT
4019# include <ustat.h> /* for ustat() */
4020#endif
4021
4022#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4023# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4024#endif
4025#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4026# define PERL_MOUNT_NOSUID MNT_NOSUID
4027#endif
4028#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4029# define PERL_MOUNT_NOSUID MS_NOSUID
4030#endif
4031#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4032# define PERL_MOUNT_NOSUID M_NOSUID
4033#endif
104d25b7
JH		 4034
4035#endif /* IAMSUID */
4036
4bc88a62
PS		 4037#ifdef I_LIBUTIL
4038# include <libutil.h> /* setproctitle() in some FreeBSDs */
4039#endif
4040
b4748376
NIS		 4041#ifndef EXEC_ARGV_CAST
4042#define EXEC_ARGV_CAST(x) x
4043#endif
4044
dd5dc04f
JH		 4045#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4046 int). value returned in pointed-
4047 to UV */
4048#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4049#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4050#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4051#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4052#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4053
4054#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4055
53305cf1
NC		 4056/* Input flags: */
4057#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4058#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 4059/* Output flags: */
4060#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4061
2c4f7f0e
DM		 4062/* to let user control profiling */
4063#ifdef PERL_GPROF_CONTROL
4064extern void moncontrol(int);
4065#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4066#else
4067#define PERL_GPROF_MONCONTROL(x)
4068#endif
4069
ae0e3d3b
JH		 4070#ifdef UNDER_CE
4071#include "wince.h"
4072#endif
4073
4074/* ISO 6429 NEL - C1 control NExt Line */
4075/* See http://www.unicode.org/unicode/reports/tr13/ */
4076#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4077# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4078# define NEXT_LINE_CHAR 0x15
4079# else /* CDRA */
4080# define NEXT_LINE_CHAR 0x25
4081# endif
4082#else
4083# define NEXT_LINE_CHAR 0x85
4084#endif
4085
4086/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4087#define UNICODE_LINE_SEPA_0 0xE2
4088#define UNICODE_LINE_SEPA_1 0x80
4089#define UNICODE_LINE_SEPA_2 0xA8
4090#define UNICODE_PARA_SEPA_0 0xE2
4091#define UNICODE_PARA_SEPA_1 0x80
4092#define UNICODE_PARA_SEPA_2 0xA9
4093
4d8076ea 4094/* and finally... */
cceca5ed 4095#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4096#include "patchlevel.h"
cceca5ed 4097#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4098
43999f95 4099/* Mention
d460ef45 4100
43999f95 4101 NV_PRESERVES_UV
fe749a9f 4102
fe749a9f
JH		 4103 HAS_MKSTEMP
4104 HAS_MKSTEMPS
4105 HAS_MKDTEMP
4106
49dabb45
JH		 4107 HAS_GETCWD
4108
d59b5429 4109 HAS_MMAP
fe749a9f
JH		 4110 HAS_MPROTECT
4111 HAS_MSYNC
1e8c3fde 4112 HAS_MADVISE
fe749a9f
JH		 4113 HAS_MUNMAP
4114 I_SYSMMAN
4115 Mmap_t
4116
6b4667fc
A		 4117 NVef
4118 NVff
4119 NVgf
4120
4e0554ec
JH		 4121 HAS_USLEEP
4122 HAS_UALARM
4123
4124 HAS_SETITIMER
4125 HAS_GETITIMER
4126
4127 HAS_SENDMSG
4128 HAS_RECVMSG
4129 HAS_READV
4130 HAS_WRITEV
4131 I_SYSUIO
4132 HAS_STRUCT_MSGHDR
4133 HAS_STRUCT_CMSGHDR
4134
2765b840 4135 HAS_NL_LANGINFO
0a7020c9 4136
ae0e3d3b 4137 HAS_DIRFD
2765b840 4138
43999f95
JH		 4139 so that Configure picks them up. */
4140
85e6fe83 4141#endif /* Include guard */
ae0e3d3b 4142
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