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Debian patch that skips podless modules
[perl5.git] / perl.h
CommitLineData
a0d0e21e 1/* perl.h
a687059c 2 *
4bb101f2
JH		 3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, by Larry Wall and others
a687059c 5 *
352d5a3a
LW		 6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8d063cd8 8 *
8d063cd8 9 */
d6376244 10
85e6fe83
LW		 11#ifndef H_PERL
12#define H_PERL 1
8d063cd8 13
760ac839
LW		 14#ifdef PERL_FOR_X2P
15/*
d460ef45 16 * This file is being used for x2p stuff.
760ac839 17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 18 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 19 */
55497cff 20#undef MULTIPLICITY
760ac839
LW		 21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
95036ac7
JH		 25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
47a51902
SB		 29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
0cb96387 32#define VOIDUSED 1
47a51902 33
d460ef45 34#ifdef PERL_MICRO
12ae5dfc
JH		 35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
0cb96387 39
2c2d71f5
JH		 40/* See L<perlguts/"The Perl API"> for detailed notes on
41 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
42
ac6bedea
JH		 43/* Note that from here --> to <-- the same logic is
44 * repeated in makedef.pl, so be certain to update
45 * both places when editing. */
46
ba979b31
NIS		 47#ifdef PERL_IMPLICIT_SYS
48/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
49 so use slab allocator to avoid lots of MUTEX overhead
50 */
6916a0ab
NIS		 51# ifndef PL_OP_SLAB_ALLOC
52# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 53# endif
54#endif
55
6f4183fe 56#ifdef USE_ITHREADS
acfe0abc 57# if !defined(MULTIPLICITY)
6f4183fe
GS		 58# define MULTIPLICITY
59# endif
60#endif
61
c5be433b
GS		 62#if defined(MULTIPLICITY)
63# ifndef PERL_IMPLICIT_CONTEXT
64# define PERL_IMPLICIT_CONTEXT
65# endif
c5be433b
GS		 66#endif
67
026fd48b
GH		 68/* undef WIN32 when building on Cygwin (for libwin32) - gph */
69#ifdef __CYGWIN__
70# undef WIN32
71# undef _WIN32
72#endif
73
10bc17b6
JH		 74/* Use the reentrant APIs like localtime_r and getpwent_r */
75/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
f72d1791 76#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(DARWIN)
10bc17b6
JH		 77# define USE_REENTRANT_API
78#endif
79
ac6bedea
JH		 80/* <--- here ends the logic shared by perl.h and makedef.pl */
81
af28e889 82/*
f72d1791
JH		 83 * DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
84 * (The -DDARWIN comes from the hints/darwin.sh.)
af28e889
JH		 85 * __bsdi__ for BSD/OS
86 */
f72d1791 87#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
af28e889
JH		 88# ifndef BSDish
89# define BSDish
90# endif
91#endif
92
c5be433b 93#ifdef PERL_IMPLICIT_CONTEXT
3db8f154
MB		 94# ifndef MULTIPLICITY
95# define MULTIPLICITY
c5be433b 96# endif
3db8f154
MB		 97# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
98# define aTHX my_perl
99# define dTHXa(a) pTHX = (PerlInterpreter*)a
fd89de3a 100# define dTHX pTHX = PERL_GET_THX
c5be433b 101# define pTHX_ pTHX,
c5be433b 102# define aTHX_ aTHX,
894356b3
GS		 103# define pTHX_1 2
104# define pTHX_2 3
105# define pTHX_3 4
106# define pTHX_4 5
c5be433b
GS		 107#endif
108
76e3520e
GS		 109#define STATIC static
110#define CPERLscope(x) x
565764a8 111#define CPERLarg void
76e3520e 112#define CPERLarg_
e3b8966e 113#define _CPERLarg
1d583055
GS		 114#define PERL_OBJECT_THIS
115#define _PERL_OBJECT_THIS
116#define PERL_OBJECT_THIS_
312caa8e 117#define CALL_FPTR(fptr) (*fptr)
76e3520e 118
312caa8e
CS		 119#define CALLRUNOPS CALL_FPTR(PL_runops)
120#define CALLREGCOMP CALL_FPTR(PL_regcompp)
121#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 122#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
123#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
124#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 125
126#ifdef PERL_FLEXIBLE_EXCEPTIONS
127# define CALLPROTECT CALL_FPTR(PL_protect)
128#endif
312caa8e 129
44dbb695 130#ifdef HASATTRIBUTE
3da75212
MB		 131# if defined(__GNUC__) && defined(__cplusplus)
132# define PERL_UNUSED_DECL
133# else
134# define PERL_UNUSED_DECL __attribute__((unused))
135# endif
44dbb695
JH		 136#else
137# define PERL_UNUSED_DECL
138#endif
139
349b520e
DM		 140/* gcc -Wall:
141 * for silencing unused variables that are actually used most of the time,
142 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
143 */
144#define PERL_UNUSED_VAR(var) if (0) var = var
145
0cb96387 146#define NOOP (void)0
44dbb695 147#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 148
0cb96387
GS		 149#ifndef pTHX
150# define pTHX void
151# define pTHX_
0cb96387
GS		 152# define aTHX
153# define aTHX_
0cb96387
GS		 154# define dTHXa(a) dNOOP
155# define dTHX dNOOP
894356b3
GS		 156# define pTHX_1 1
157# define pTHX_2 2
158# define pTHX_3 3
159# define pTHX_4 4
0cb96387
GS		 160#endif
161
b4f7f263
GS		 162/* these are only defined for compatibility; should not be used internally */
163#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 164# define pTHXo pTHX
165# define pTHXo_ pTHX_
0cb96387
GS		 166# define aTHXo aTHX
167# define aTHXo_ aTHX_
c5be433b 168# define dTHXo dTHX
71d280e3 169# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 170#endif
171
172#ifndef pTHXx
173# define pTHXx register PerlInterpreter *my_perl
174# define pTHXx_ pTHXx,
0cb96387
GS		 175# define aTHXx my_perl
176# define aTHXx_ aTHXx,
c5be433b 177# define dTHXx dTHX
22c35a8c 178#endif
71be2cbc 179
1de7c2ac
GS		 180/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
181 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
182 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
183#ifdef PERL_IMPLICIT_SYS
184# define dTHXs dTHX
185#else
186# define dTHXs dNOOP
187#endif
188
326b05e3
GS		 189#undef START_EXTERN_C
190#undef END_EXTERN_C
191#undef EXTERN_C
32f822de
GS		 192#ifdef __cplusplus
193# define START_EXTERN_C extern "C" {
194# define END_EXTERN_C }
195# define EXTERN_C extern "C"
196#else
d460ef45
NIS		 197# define START_EXTERN_C
198# define END_EXTERN_C
73c4f7a1 199# define EXTERN_C extern
32f822de
GS		 200#endif
201
462e5cf6
MB		 202#ifdef OP_IN_REGISTER
203# ifdef __GNUC__
204# define stringify_immed(s) #s
205# define stringify(s) stringify_immed(s)
d1ca3daa 206register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 207# endif
208#endif
209
728e2803 210/*
211 * STMT_START { statements; } STMT_END;
212 * can be used as a single statement, as in
213 * if (x) STMT_START { ... } STMT_END; else ...
214 *
215 * Trying to select a version that gives no warnings...
216 */
217#if !(defined(STMT_START) && defined(STMT_END))
93189314 218# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(PERL_GCC_PEDANTIC) && !defined(__cplusplus)
728e2803 219# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
220# define STMT_END )
221# else
222 /* Now which other defined()s do we need here ??? */
93189314 223# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 224# define STMT_START if (1)
225# define STMT_END else (void)0
226# else
227# define STMT_START do
228# define STMT_END while (0)
229# endif
230# endif
231#endif
232
0cb96387 233#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 234#define WITH_THR(s) WITH_THX(s)
ea0efc06 235
55497cff 236/*
237 * SOFT_CAST can be used for args to prototyped functions to retain some
238 * type checking; it only casts if the compiler does not know prototypes.
239 */
240#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
241#define SOFT_CAST(type)
242#else
243#define SOFT_CAST(type) (type)
244#endif
79072805 245
6ee623d5 246#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 247# define BYTEORDER 0x1234
248#endif
249
250/* Overall memory policy? */
251#ifndef CONSERVATIVE
252# define LIBERAL 1
253#endif
254
8ada0baa
JH		 255#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
256#define ASCIIish
257#else
258#undef ASCIIish
259#endif
260
79072805
LW		 261/*
262 * The following contortions are brought to you on behalf of all the
263 * standards, semi-standards, de facto standards, not-so-de-facto standards
264 * of the world, as well as all the other botches anyone ever thought of.
265 * The basic theory is that if we work hard enough here, the rest of the
266 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
267 */
ac58e20f 268
ee0007ab 269/* define this once if either system, instead of cluttering up the src */
2986a63f 270#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 271#define DOSISH 1
272#endif
273
2986a63f 274#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 275# define STANDARD_C 1
276#endif
277
2986a63f 278#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 279# define DONT_DECLARE_STD 1
280#endif
281
352d5a3a 282#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 283# ifdef __cplusplus
cb69f87a 284# define VOL /* to temporarily suppress warnings */
79072805
LW		 285# else
286# define VOL volatile
287# endif
663a0e37 288#else
79072805 289# define VOL
663a0e37
LW		 290#endif
291
3280af22
NIS		 292#define TAINT (PL_tainted = TRUE)
293#define TAINT_NOT (PL_tainted = FALSE)
294#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
295#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 296#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 297
d460ef45 298/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 299 defines move there? If so, I could simplify this a lot. --AD 9/96.
300*/
301/* Process group stuff changed from traditional BSD to POSIX.
302 perlfunc.pod documents the traditional BSD-style syntax, so we'll
303 try to preserve that, if possible.
304*/
305#ifdef HAS_SETPGID
306# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 307#else
a6e633de 308# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
309# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
310# else
311# ifdef HAS_SETPGRP2 /* DG/UX */
312# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
313# endif
314# endif
315#endif
316#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
317# define HAS_SETPGRP /* Well, effectively it does . . . */
318#endif
319
320/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
321 our life easier :-) so we'll try it.
322*/
323#ifdef HAS_GETPGID
324# define BSD_GETPGRP(pid) getpgid((pid))
325#else
326# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
327# define BSD_GETPGRP(pid) getpgrp((pid))
328# else
329# ifdef HAS_GETPGRP2 /* DG/UX */
330# define BSD_GETPGRP(pid) getpgrp2((pid))
331# endif
332# endif
333#endif
334#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
335# define HAS_GETPGRP /* Well, effectively it does . . . */
336#endif
337
d460ef45 338/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 339 have different behaviors, but perl.h used to define USE_BSDPGRP
340 (prior to 5.003_05) so some extension might depend on it.
341*/
342#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
343# ifndef USE_BSDPGRP
344# define USE_BSDPGRP
345# endif
663a0e37
LW		 346#endif
347
8ac5a1fe
MH		 348/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
349 pthread.h must be included before all other header files.
350*/
3db8f154 351#if defined(USE_ITHREADS) && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 352# include <pthread.h>
353#endif
354
760ac839
LW		 355#ifndef _TYPES_ /* If types.h defines this it's easy. */
356# ifndef major /* Does everyone's types.h define this? */
357# include <sys/types.h>
c07a80fd 358# endif
663a0e37
LW		 359#endif
360
760ac839
LW		 361#ifdef __cplusplus
362# ifndef I_STDARG
363# define I_STDARG 1
364# endif
365#endif
366
367#ifdef I_STDARG
368# include <stdarg.h>
369#else
370# ifdef I_VARARGS
371# include <varargs.h>
372# endif
373#endif
374
4633a7c4 375#ifdef USE_NEXT_CTYPE
0c30d9ec 376
092bebab
JH		 377#if NX_CURRENT_COMPILER_RELEASE >= 500
378# include <bsd/ctypes.h>
379#else
380# if NX_CURRENT_COMPILER_RELEASE >= 400
381# include <objc/NXCType.h>
382# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
383# include <appkit/NXCType.h>
384# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
385#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 386
387#else /* !USE_NEXT_CTYPE */
fe14fcc3 388#include <ctype.h>
0c30d9ec 389#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 390
391#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
392#undef METHOD
a0d0e21e
LW		 393#endif
394
12ae5dfc
JH		 395#ifdef PERL_MICRO
396# define NO_LOCALE
397#endif
398
4633a7c4 399#ifdef I_LOCALE
36477c24 400# include <locale.h>
4633a7c4
LW		 401#endif
402
36477c24 403#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
404# define USE_LOCALE
405# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
406 && defined(HAS_STRXFRM)
407# define USE_LOCALE_COLLATE
408# endif
409# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
410# define USE_LOCALE_CTYPE
411# endif
412# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
413# define USE_LOCALE_NUMERIC
414# endif
415#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 416
fe14fcc3 417#include <setjmp.h>
79072805 418
a0d0e21e 419#ifdef I_SYS_PARAM
79072805
LW		 420# ifdef PARAM_NEEDS_TYPES
421# include <sys/types.h>
422# endif
423# include <sys/param.h>
352d5a3a 424#endif
79072805 425
79072805 426/* Use all the "standard" definitions? */
a0d0e21e 427#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 428# include <stdlib.h>
ff68c719 429#endif
03a14243 430
3f270f98
JH		 431/* If this causes problems, set i_unistd=undef in the hint file. */
432#ifdef I_UNISTD
433# include <unistd.h>
434#endif
435
7114a2d2 436#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 437int syscall(int, ...);
438#endif
439
7114a2d2 440#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 441int usleep(unsigned int);
2ef53570
JH		 442#endif
443
9a34ef1d
GS		 444#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
445# define MYSWAP
446#endif
447
66a93824
NIS		 448/* Cannot include embed.h here on Win32 as win32.h has not
449 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
450 */
96e176bf 451#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 452# include "embed.h"
453#endif
454
c31fac66
GS		 455#define MEM_SIZE Size_t
456
51371543
GS		 457#if defined(STANDARD_C) && defined(I_STDDEF)
458# include <stddef.h>
459# define STRUCT_OFFSET(s,m) offsetof(s,m)
460#else
461# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
462#endif
463
464#if defined(I_STRING) || defined(__cplusplus)
465# include <string.h>
466#else
467# include <strings.h>
468#endif
469
55497cff 470/* This comes after <stdlib.h> so we don't try to change the standard
471 * library prototypes; we'll use our own in proto.h instead. */
03a14243 472
4633a7c4 473#ifdef MYMALLOC
86058a2d 474# ifdef PERL_POLLUTE_MALLOC
ee13e175 475# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 476# define Perl_malloc malloc
477# define Perl_calloc calloc
478# define Perl_realloc realloc
479# define Perl_mfree free
ee13e175 480# endif
86058a2d
GS		 481# else
482# define EMBEDMYMALLOC /* for compatibility */
483# endif
827e134a 484
651b9576
GS		 485# define safemalloc Perl_malloc
486# define safecalloc Perl_calloc
487# define saferealloc Perl_realloc
488# define safefree Perl_mfree
22f7c9c9
JH		 489# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
490 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
491 code; \
492 } STMT_END
493# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
494 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
495# define panic_write2(s) write(2, s, strlen(s))
496# define CHECK_MALLOC_TAINT(newval) \
497 CHECK_MALLOC_TOO_LATE_FOR_( \
498 if (newval) { \
499 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
500 exit(1); })
22f7c9c9 501# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
b0891165 502 if (doing_taint(argc,argv,env)) { \
22f7c9c9
JH		 503 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
504 }} STMT_END;
f2517201
GS		 505#else /* MYMALLOC */
506# define safemalloc safesysmalloc
507# define safecalloc safesyscalloc
508# define saferealloc safesysrealloc
509# define safefree safesysfree
22f7c9c9
JH		 510# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
511# define CHECK_MALLOC_TAINT(newval) ((void)0)
512# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 513#endif /* MYMALLOC */
4633a7c4 514
22f7c9c9
JH		 515#define TOO_LATE_FOR_(ch,s) Perl_croak(aTHX_ "Too late for \"-%c\" option%s", (char)(ch), s)
516#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
517#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
518#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
519
a0d0e21e
LW		 520#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
521#define strchr index
522#define strrchr rindex
523#endif
524
16d20bd9
AD		 525#ifdef I_MEMORY
526# include <memory.h>
527#endif
528
fe14fcc3 529#ifdef HAS_MEMCPY
85e6fe83 530# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 531# ifndef memcpy
20ce7b12 532 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 533# endif
534# endif
535#else
536# ifndef memcpy
537# ifdef HAS_BCOPY
538# define memcpy(d,s,l) bcopy(s,d,l)
539# else
540# define memcpy(d,s,l) my_bcopy(s,d,l)
541# endif
542# endif
543#endif /* HAS_MEMCPY */
fe14fcc3 544
ee0007ab 545#ifdef HAS_MEMSET
85e6fe83 546# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 547# ifndef memset
20ce7b12 548 extern char *memset (char*, int, int);
ee0007ab
LW		 549# endif
550# endif
ee0007ab 551#else
12ae5dfc 552# undef memset
fc36a67e 553# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 554#endif /* HAS_MEMSET */
555
85e6fe83 556#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 557# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 558# define memmove(d,s,l) bcopy(s,d,l)
559# else
2304df62 560# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 561# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 562# else
79072805 563# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 564# endif
352d5a3a 565# endif
d9d8d8de 566#endif
ee0007ab 567
36477c24 568#if defined(mips) && defined(ultrix) && !defined(__STDC__)
569# undef HAS_MEMCMP
570#endif
571
572#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 573# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 574# ifndef memcmp
20ce7b12 575 extern int memcmp (char*, char*, int);
ee0007ab
LW		 576# endif
577# endif
36477c24 578# ifdef BUGGY_MSC
579 # pragma function(memcmp)
580# endif
ee0007ab
LW		 581#else
582# ifndef memcmp
ecfc5424 583# define memcmp my_memcmp
352d5a3a 584# endif
36477c24 585#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 586
fc36a67e 587#ifndef memzero
c635e13b 588# ifdef HAS_MEMSET
589# define memzero(d,l) memset(d,0,l)
79072805 590# else
c635e13b 591# ifdef HAS_BZERO
592# define memzero(d,l) bzero(d,l)
79072805 593# else
fc36a67e 594# define memzero(d,l) my_bzero(d,l)
79072805
LW		 595# endif
596# endif
d9d8d8de 597#endif
378cc40b 598
0f27ced1
JH		 599#ifndef memchr
600# ifndef HAS_MEMCHR
601# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
602# endif
603#endif
604
36477c24 605#ifndef HAS_BCMP
606# ifndef bcmp
607# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 608# endif
36477c24 609#endif /* !HAS_BCMP */
378cc40b 610
ae986130 611#ifdef I_NETINET_IN
79072805 612# include <netinet/in.h>
ae986130
LW		 613#endif
614
28e8609d
JH		 615#ifdef I_ARPA_INET
616# include <arpa/inet.h>
617#endif
618
84902520
TB		 619#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
620/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
621 * (the neo-BSD seem to do this). */
622# undef SF_APPEND
623#endif
624
1aef975c 625#ifdef I_SYS_STAT
84902520 626# include <sys/stat.h>
1aef975c 627#endif
79072805 628
a0d0e21e
LW		 629/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
630 like UTekV) are broken, sometimes giving false positives. Undefine
631 them here and let the code below set them to proper values.
632
633 The ghs macro stands for GreenHills Software C-1.8.5 which
634 is the C compiler for sysV88 and the various derivatives.
635 This header file bug is corrected in gcc-2.5.8 and later versions.
636 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
637
638#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 639# undef S_ISDIR
640# undef S_ISCHR
641# undef S_ISBLK
642# undef S_ISREG
643# undef S_ISFIFO
644# undef S_ISLNK
ee0007ab 645#endif
135863df 646
663a0e37
LW		 647#ifdef I_TIME
648# include <time.h>
ffed7fef 649#endif
663a0e37 650
fe14fcc3 651#ifdef I_SYS_TIME
85e6fe83 652# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 653# define KERNEL
654# endif
655# include <sys/time.h>
85e6fe83 656# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 657# undef KERNEL
658# endif
a687059c 659#endif
135863df 660
55497cff 661#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 662# include <sys/times.h>
d9d8d8de 663#endif
8d063cd8 664
fe14fcc3 665#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 666# undef HAS_STRERROR
663a0e37
LW		 667#endif
668
669#include <errno.h>
1e743fda 670
acfe0abc 671#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 672# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
673#endif
674
8cfab5ff
JH		 675/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
676 * This is important for using IPv6.
677 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
678 * a bad idea since it breaks send() and recv(). */
679#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
680# define _SOCKADDR_LEN
681#endif
682
8d3f517a 683#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 684# include <sys/socket.h>
685# if defined(USE_SOCKS) && defined(I_SOCKS)
686# if !defined(INCLUDE_PROTOTYPES)
687# define INCLUDE_PROTOTYPES /* for <socks.h> */
688# define PERL_SOCKS_NEED_PROTOTYPES
689# endif
690# include <socks.h>
691# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
692# undef INCLUDE_PROTOTYPES
693# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 694# endif
d460ef45 695# endif
1e743fda 696# ifdef I_NETDB
2986a63f
JH		 697# ifdef NETWARE
698# include<stdio.h>
699# endif
1e743fda
JH		 700# include <netdb.h>
701# endif
702# ifndef ENOTSOCK
703# ifdef I_NET_ERRNO
704# include <net/errno.h>
705# endif
706# endif
707#endif
708
fa0a29af 709/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 710 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 711#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 712int sockatmark(int);
713#endif
714
1e743fda
JH		 715#ifdef SETERRNO
716# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 717#endif
f86702cc 718
719#ifdef VMS
720# define SETERRNO(errcode,vmserrcode) \
721 STMT_START { \
722 set_errno(errcode); \
723 set_vaxc_errno(vmserrcode); \
724 } STMT_END
93189314
JH		 725# define LIB_INVARG LIB$_INVARG
726# define RMS_DIR RMS$_DIR
727# define RMS_FAC RMS$_FAC
728# define RMS_FEX RMS$_FEX
729# define RMS_FNF RMS$_FNF
730# define RMS_IFI RMS$_IFI
731# define RMS_ISI RMS$_ISI
732# define RMS_PRV RMS$_PRV
733# define SS_ACCVIO SS$_ACCVIO
734# define SS_DEVOFFLINE SS$_DEVOFFLINE
735# define SS_IVCHAN SS$_IVCHAN
736# define SS_NORMAL SS$_NORMAL
748a9306 737#else
aba27d88 738# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
93189314
JH		 739# define LIB_INVARG 0
740# define RMS_DIR 0
741# define RMS_FAC 0
742# define RMS_FEX 0
743# define RMS_FNF 0
744# define RMS_IFI 0
745# define RMS_ISI 0
746# define RMS_PRV 0
747# define SS_ACCVIO 0
748# define SS_DEVOFFLINE 0
749# define SS_IVCHAN 0
750# define SS_NORMAL 0
748a9306 751#endif
ed6116ce 752
3db8f154
MB		 753#define ERRSV GvSV(PL_errgv)
754#define DEFSV GvSV(PL_defgv)
755#define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
38a03e6e 756
98eae8f5
GS		 757#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
758
55497cff 759#ifndef errno
5ff3f7a4
GS		 760 extern int errno; /* ANSI allows errno to be an lvalue expr.
761 * For example in multithreaded environments
762 * something like this might happen:
763 * extern int *_errno(void);
764 * #define errno (*_errno()) */
d9d8d8de 765#endif
663a0e37 766
2304df62 767#ifdef HAS_STRERROR
a0d0e21e 768# ifdef VMS
20ce7b12 769 char *strerror (int,...);
a0d0e21e 770# else
68dc0745 771#ifndef DONT_DECLARE_STD
20ce7b12 772 char *strerror (int);
68dc0745 773#endif
a0d0e21e 774# endif
2304df62
AD		 775# ifndef Strerror
776# define Strerror strerror
777# endif
778#else
779# ifdef HAS_SYS_ERRLIST
79072805
LW		 780 extern int sys_nerr;
781 extern char *sys_errlist[];
2304df62
AD		 782# ifndef Strerror
783# define Strerror(e) \
79072805 784 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 785# endif
79072805 786# endif
35c8bce7 787#endif
663a0e37 788
2304df62 789#ifdef I_SYS_IOCTL
79072805
LW		 790# ifndef _IOCTL_
791# include <sys/ioctl.h>
792# endif
a687059c
LW		 793#endif
794
ee0007ab 795#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 796# ifdef HAS_SOCKETPAIR
797# undef HAS_SOCKETPAIR
798# endif
2304df62
AD		 799# ifdef I_NDBM
800# undef I_NDBM
79072805 801# endif
a687059c
LW		 802#endif
803
02fc2eee
NC		 804#ifndef HAS_SOCKETPAIR
805# ifdef HAS_SOCKET
806# define socketpair Perl_my_socketpair
807# endif
808#endif
809
a687059c 810#if INTSIZE == 2
79072805
LW		 811# define htoni htons
812# define ntohi ntohs
a687059c 813#else
79072805
LW		 814# define htoni htonl
815# define ntohi ntohl
a687059c
LW		 816#endif
817
a0d0e21e 818/* Configure already sets Direntry_t */
35c8bce7 819#if defined(I_DIRENT)
663a0e37 820# include <dirent.h>
8f1f23e8
W		 821 /* NeXT needs dirent + sys/dir.h */
822# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 823# include <sys/dir.h>
824# endif
ae986130 825#else
fe14fcc3 826# ifdef I_SYS_NDIR
79a0689e 827# include <sys/ndir.h>
663a0e37 828# else
fe14fcc3 829# ifdef I_SYS_DIR
79a0689e
LW		 830# ifdef hp9000s500
831# include <ndir.h> /* may be wrong in the future */
832# else
833# include <sys/dir.h>
834# endif
663a0e37
LW		 835# endif
836# endif
4633a7c4 837#endif
a687059c 838
12ae5dfc
JH		 839#ifdef PERL_MICRO
840# ifndef DIR
841# define DIR void
842# endif
843#endif
844
352d5a3a
LW		 845#ifdef FPUTS_BOTCH
846/* work around botch in SunOS 4.0.1 and 4.0.2 */
847# ifndef fputs
79072805 848# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 849# endif
850#endif
851
c623bd54
LW		 852/*
853 * The following gobbledygook brought to you on behalf of __STDC__.
854 * (I could just use #ifndef __STDC__, but this is more bulletproof
855 * in the face of half-implementations.)
856 */
857
7114a2d2 858#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 859#include <sys/mode.h>
860#endif
861
c623bd54
LW		 862#ifndef S_IFMT
863# ifdef _S_IFMT
864# define S_IFMT _S_IFMT
865# else
866# define S_IFMT 0170000
867# endif
868#endif
869
870#ifndef S_ISDIR
871# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
872#endif
873
874#ifndef S_ISCHR
875# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
876#endif
877
878#ifndef S_ISBLK
fe14fcc3
LW		 879# ifdef S_IFBLK
880# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
881# else
882# define S_ISBLK(m) (0)
883# endif
c623bd54
LW		 884#endif
885
886#ifndef S_ISREG
887# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
888#endif
889
890#ifndef S_ISFIFO
fe14fcc3
LW		 891# ifdef S_IFIFO
892# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
893# else
894# define S_ISFIFO(m) (0)
895# endif
c623bd54
LW		 896#endif
897
898#ifndef S_ISLNK
899# ifdef _S_ISLNK
900# define S_ISLNK(m) _S_ISLNK(m)
901# else
902# ifdef _S_IFLNK
903# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
904# else
905# ifdef S_IFLNK
906# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
907# else
908# define S_ISLNK(m) (0)
909# endif
910# endif
911# endif
912#endif
913
914#ifndef S_ISSOCK
915# ifdef _S_ISSOCK
916# define S_ISSOCK(m) _S_ISSOCK(m)
917# else
918# ifdef _S_IFSOCK
919# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
920# else
921# ifdef S_IFSOCK
922# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
923# else
924# define S_ISSOCK(m) (0)
925# endif
926# endif
927# endif
928#endif
929
930#ifndef S_IRUSR
931# ifdef S_IREAD
932# define S_IRUSR S_IREAD
933# define S_IWUSR S_IWRITE
934# define S_IXUSR S_IEXEC
935# else
936# define S_IRUSR 0400
937# define S_IWUSR 0200
938# define S_IXUSR 0100
939# endif
fac7cdfc
JS		 940#endif
941
942#ifndef S_IRGRP
943# ifdef S_IRUSR
944# define S_IRGRP (S_IRUSR>>3)
945# define S_IWGRP (S_IWUSR>>3)
946# define S_IXGRP (S_IXUSR>>3)
947# else
948# define S_IRGRP 0040
949# define S_IWGRP 0020
950# define S_IXGRP 0010
951# endif
952#endif
953
954#ifndef S_IROTH
955# ifdef S_IRUSR
956# define S_IROTH (S_IRUSR>>6)
957# define S_IWOTH (S_IWUSR>>6)
958# define S_IXOTH (S_IXUSR>>6)
959# else
960# define S_IROTH 0040
961# define S_IWOTH 0020
962# define S_IXOTH 0010
963# endif
c623bd54
LW		 964#endif
965
966#ifndef S_ISUID
967# define S_ISUID 04000
968#endif
969
970#ifndef S_ISGID
971# define S_ISGID 02000
972#endif
973
ca6e1c26
JH		 974#ifndef S_IRWXU
975# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 976#endif
ca6e1c26
JH		 977
978#ifndef S_IRWXG
979# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 980#endif
ca6e1c26
JH		 981
982#ifndef S_IRWXO
983# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 984#endif
ca6e1c26 985
c21fb2b8
JH		 986/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
987 * which would get included through <sys/file.h >, but that is 3000
988 * lines in the future. --jhi */
989
990#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 991# define S_IREAD S_IRUSR
992#endif
993
c21fb2b8 994#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 995# define S_IWRITE S_IWUSR
996#endif
997
998#ifndef S_IEXEC
999# define S_IEXEC S_IXUSR
1000#endif
1001
79072805
LW		 1002#ifdef ff_next
1003# undef ff_next
352d5a3a
LW		 1004#endif
1005
a0d0e21e 1006#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1007# define SLOPPYDIVIDE
1008#endif
1009
748a9306
LW		 1010#ifdef UV
1011#undef UV
1012#endif
1013
c89df6bf
JH		 1014#ifdef SPRINTF_E_BUG
1015# define sprintf UTS_sprintf_wrap
1016#endif
1017
c495e728
JH		 1018/* Configure gets this right but the UTS compiler gets it wrong.
1019 -- Hal Morris <hom00@utsglobal.com> */
1020#ifdef UTS
1021# undef UVTYPE
1022# define UVTYPE unsigned
1023#endif
1024
05f13f53 1025/*
27d4fb96 1026 The IV type is supposed to be long enough to hold any integral
1027 value or a pointer.
1028 --Andy Dougherty August 1996
1029*/
1030
a22e52b9
JH		 1031typedef IVTYPE IV;
1032typedef UVTYPE UV;
8175356b 1033
10cc9d2a 1034#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1035# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1036# define IV_MAX INT64_MAX
1037# define IV_MIN INT64_MIN
1038# define UV_MAX UINT64_MAX
cae7ae48
JH		 1039# ifndef UINT64_MIN
1040# define UINT64_MIN 0
1041# endif
5ff3f7a4
GS		 1042# define UV_MIN UINT64_MIN
1043# else
1044# define IV_MAX PERL_QUAD_MAX
1045# define IV_MIN PERL_QUAD_MIN
1046# define UV_MAX PERL_UQUAD_MAX
1047# define UV_MIN PERL_UQUAD_MIN
1048# endif
cf2093f6
JH		 1049# define IV_IS_QUAD
1050# define UV_IS_QUAD
79072805 1051#else
8175356b 1052# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1053# define IV_MAX INT32_MAX
1054# define IV_MIN INT32_MIN
716026f9
DL		 1055# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1056# define UV_MAX UINT32_MAX
1057# else
1058# define UV_MAX 4294967295U
1059# endif
cae7ae48
JH		 1060# ifndef UINT32_MIN
1061# define UINT32_MIN 0
1062# endif
5ff3f7a4
GS		 1063# define UV_MIN UINT32_MIN
1064# else
1065# define IV_MAX PERL_LONG_MAX
1066# define IV_MIN PERL_LONG_MIN
1067# define UV_MAX PERL_ULONG_MAX
1068# define UV_MIN PERL_ULONG_MIN
1069# endif
8175356b 1070# if IVSIZE == 8
cf2093f6
JH		 1071# define IV_IS_QUAD
1072# define UV_IS_QUAD
de1c2614
JH		 1073# ifndef HAS_QUAD
1074# define HAS_QUAD
1075# endif
cf2093f6
JH		 1076# else
1077# undef IV_IS_QUAD
1078# undef UV_IS_QUAD
de1c2614 1079# undef HAS_QUAD
cf2093f6 1080# endif
79072805 1081#endif
d7d93a81 1082
6cde8aec 1083#if defined(uts) || defined(UTS)
11afe549
HM		 1084# undef UV_MAX
1085# define UV_MAX (4294967295u)
20601011
JH		 1086#endif
1087
cae7ae48 1088#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1089#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1090
28e5dec8 1091#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1092#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1093#endif
1094
d460ef45 1095/*
26bb67e2
JH		 1096 * The macros INT2PTR and NUM2PTR are (despite their names)
1097 * bi-directional: they will convert int/float to or from pointers.
1098 * However the conversion to int/float are named explicitly:
1099 * PTR2IV, PTR2UV, PTR2NV.
1100 *
1101 * For int conversions we do not need two casts if pointers are
1102 * the same size as IV and UV. Otherwise we need an explicit
1103 * cast (PTRV) to avoid compiler warnings.
1104 */
56431972
RB		 1105#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1106# define PTRV UV
1107# define INT2PTR(any,d) (any)(d)
1108#else
d460ef45 1109# if PTRSIZE == LONGSIZE
56431972 1110# define PTRV unsigned long
42718184 1111# else
56431972 1112# define PTRV unsigned
42718184 1113# endif
56431972 1114# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1115#endif
56431972
RB		 1116#define NUM2PTR(any,d) (any)(PTRV)(d)
1117#define PTR2IV(p) INT2PTR(IV,p)
1118#define PTR2UV(p) INT2PTR(UV,p)
1119#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1120#if PTRSIZE == LONGSIZE
d2560b70
RB		 1121# define PTR2ul(p) (unsigned long)(p)
1122#else
1123# define PTR2ul(p) INT2PTR(unsigned long,p)
1124#endif
d460ef45 1125
65202027 1126#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1127# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1128# define LONG_DOUBLE_EQUALS_DOUBLE
1129# endif
68d4903c 1130# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1131# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1132# endif
1133#endif
1134
2d4389e4
JH		 1135#ifdef OVR_DBL_DIG
1136/* Use an overridden DBL_DIG */
1137# ifdef DBL_DIG
1138# undef DBL_DIG
1139# endif
1140# define DBL_DIG OVR_DBL_DIG
1141#else
1142/* The following is all to get DBL_DIG, in order to pick a nice
205f51d8
AS		 1143 default value for printing floating point numbers in Gconvert
1144 (see config.h). (It also has other uses, such as figuring out if
1145 a given precision of printing can be done with a double instead of
1146 a long double - Allen).
2d4389e4
JH		 1147*/
1148#ifdef I_LIMITS
1149#include <limits.h>
1150#endif
1151#ifdef I_FLOAT
1152#include <float.h>
1153#endif
1154#ifndef HAS_DBL_DIG
1155#define DBL_DIG 15 /* A guess that works lots of places */
1156#endif
1157#endif
cbca01e1
JH		 1158#ifdef I_FLOAT
1159#include <float.h>
1160#endif
1161#ifndef HAS_DBL_DIG
1162#define DBL_DIG 15 /* A guess that works lots of places */
1163#endif
2d4389e4
JH		 1164
1165#ifdef OVR_LDBL_DIG
1166/* Use an overridden LDBL_DIG */
1167# ifdef LDBL_DIG
1168# undef LDBL_DIG
1169# endif
1170# define LDBL_DIG OVR_LDBL_DIG
1171#else
1172/* The following is all to get LDBL_DIG, in order to pick a nice
1173 default value for printing floating point numbers in Gconvert.
1174 (see config.h)
1175*/
68d4903c
JH		 1176# ifdef I_LIMITS
1177# include <limits.h>
1178# endif
1179# ifdef I_FLOAT
1180# include <float.h>
1181# endif
1182# ifndef HAS_LDBL_DIG
1183# if LONG_DOUBLESIZE == 10
1184# define LDBL_DIG 18 /* assume IEEE */
1185# else
1186# if LONG_DOUBLESIZE == 12
1187# define LDBL_DIG 18 /* gcc? */
1188# else
1189# if LONG_DOUBLESIZE == 16
1190# define LDBL_DIG 33 /* assume IEEE */
1191# else
1192# if LONG_DOUBLESIZE == DOUBLESIZE
1193# define LDBL_DIG DBL_DIG /* bummer */
1194# endif
1195# endif
1196# endif
1197# endif
1198# endif
2d4389e4
JH		 1199#endif
1200
20f6aaab
AS		 1201/*
1202 * This is for making sure we have a good DBL_MAX value, if possible,
1203 * either for usage as NV_MAX or for usage in figuring out if we can
1204 * fit a given long double into a double, if bug-fixing makes it
1205 * necessary to do so. - Allen <allens@cpan.org>
1206 */
1207
205f51d8
AS		 1208#ifdef I_LIMITS
1209# include <limits.h>
20f6aaab
AS		 1210#endif
1211
205f51d8
AS		 1212#ifdef I_VALUES
1213# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1214# include <values.h>
1215# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1216# define DBL_MAX MAXDOUBLE
1217# endif
1218# if defined(MINDOUBLE) && !defined(DBL_MIN)
1219# define DBL_MIN MINDOUBLE
1220# endif
1221# endif
1222#endif /* defined(I_VALUES) */
1223
a22e52b9 1224typedef NVTYPE NV;
8175356b 1225
792d8dab
JH		 1226#ifdef I_IEEEFP
1227# include <ieeefp.h>
1228#endif
923fc586 1229
65202027 1230#ifdef USE_LONG_DOUBLE
923fc586
JH		 1231# ifdef I_SUNMATH
1232# include <sunmath.h>
1233# endif
2d4389e4 1234# define NV_DIG LDBL_DIG
d6c14000
JH		 1235# ifdef LDBL_MANT_DIG
1236# define NV_MANT_DIG LDBL_MANT_DIG
1237# endif
06fc1729
JH		 1238# ifdef LDBL_MIN
1239# define NV_MIN LDBL_MIN
1240# endif
1241# ifdef LDBL_MAX
1242# define NV_MAX LDBL_MAX
1243# endif
1244# ifdef LDBL_MIN_10_EXP
1245# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1246# endif
1247# ifdef LDBL_MAX_10_EXP
1248# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1249# endif
1250# ifdef LDBL_EPSILON
1251# define NV_EPSILON LDBL_EPSILON
1252# endif
f4a14a62
JH		 1253# ifdef LDBL_MAX
1254# define NV_MAX LDBL_MAX
20f6aaab 1255/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1256# else
1257# ifdef HUGE_VALL
1258# define NV_MAX HUGE_VALL
1259# else
1260# ifdef HUGE_VAL
1261# define NV_MAX ((NV)HUGE_VAL)
1262# endif
1263# endif
1264# endif
68d4903c 1265# ifdef HAS_SQRTL
68d4903c
JH		 1266# define Perl_cos cosl
1267# define Perl_sin sinl
1268# define Perl_sqrt sqrtl
1269# define Perl_exp expl
1270# define Perl_log logl
1271# define Perl_atan2 atan2l
1272# define Perl_pow powl
1273# define Perl_floor floorl
1274# define Perl_fmod fmodl
1275# endif
a3540c92
JH		 1276/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1277# ifdef HAS_MODFL
1278# define Perl_modf(x,y) modfl(x,y)
51997bc3
NC		 1279/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1280 prototype in <math.h> */
1281# ifndef HAS_MODFL_PROTO
1282long double modfl(long double, long double *);
1283# endif
03476e8e
JH		 1284# else
1285# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
55954f19 1286 extern long double Perl_my_modfl(long double x, long double *ip);
03476e8e
JH		 1287# define Perl_modf(x,y) Perl_my_modfl(x,y)
1288# endif
a3540c92
JH		 1289# endif
1290# ifdef HAS_FREXPL
dff3e0b8 1291# define Perl_frexp(x,y) frexpl(x,y)
03476e8e
JH		 1292# else
1293# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
55954f19 1294 extern long double Perl_my_frexpl(long double x, int *e);
03476e8e
JH		 1295# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1296# endif
a3540c92 1297# endif
38dbb4c5 1298# ifndef Perl_isnan
758a5d79
JH		 1299# ifdef HAS_ISNANL
1300# define Perl_isnan(x) isnanl(x)
1301# endif
1302# endif
1303# ifndef Perl_isinf
1304# ifdef HAS_FINITEL
1305# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1306# endif
1307# endif
65202027 1308#else
2d4389e4 1309# define NV_DIG DBL_DIG
d6c14000
JH		 1310# ifdef DBL_MANT_DIG
1311# define NV_MANT_DIG DBL_MANT_DIG
1312# endif
06fc1729
JH		 1313# ifdef DBL_MIN
1314# define NV_MIN DBL_MIN
1315# endif
1316# ifdef DBL_MAX
1317# define NV_MAX DBL_MAX
1318# endif
1319# ifdef DBL_MIN_10_EXP
1320# define NV_MIN_10_EXP DBL_MIN_10_EXP
1321# endif
1322# ifdef DBL_MAX_10_EXP
1323# define NV_MAX_10_EXP DBL_MAX_10_EXP
1324# endif
1325# ifdef DBL_EPSILON
1326# define NV_EPSILON DBL_EPSILON
1327# endif
205f51d8 1328# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1329# define NV_MAX DBL_MAX
1330# define NV_MIN DBL_MIN
1331# else
1332# ifdef HUGE_VAL
1333# define NV_MAX HUGE_VAL
1334# endif
1335# endif
65202027
DS		 1336# define Perl_cos cos
1337# define Perl_sin sin
1338# define Perl_sqrt sqrt
1339# define Perl_exp exp
1340# define Perl_log log
1341# define Perl_atan2 atan2
1342# define Perl_pow pow
1343# define Perl_floor floor
65202027 1344# define Perl_fmod fmod
a3540c92 1345# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1346# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1347#endif
1348
1349/* rumor has it that Win32 has _fpclass() */
1350
205f51d8
AS		 1351/* SGI has fpclassl... but not with the same result values,
1352 * and it's via a typedef (not via #define), so will need to redo Configure
1353 * to use. Not worth the trouble, IMO, at least until the below is used
1354 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1355 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1356 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1357
758a5d79
JH		 1358#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1359# ifdef I_IEEFP
1360# include <ieeefp.h>
1361# endif
1362# ifdef I_FP
1363# include <fp.h>
1364# endif
1365# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1366# define Perl_fp_class() fpclassl(x)
1367# else
1368# define Perl_fp_class() fpclass(x)
1369# endif
1370# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1371# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1372# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1373# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1374# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1375# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1376# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1377# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1378# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1379# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1380# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1381# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1382# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1383# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1384# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1385#endif
1386
7114a2d2 1387#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1388# include <math.h>
1389# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1390# include <fp_class.h>
1391# endif
1392# define Perl_fp_class(x) fp_class(x)
1393# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1394# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1395# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1396# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1397# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1398# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1399# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1400# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1401# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1402# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1403# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1404# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1405# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1406# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1407# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1408#endif
1409
1410#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1411# include <math.h>
1412# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1413# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1414# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1415# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1416# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1417# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1418#endif
1419
1420#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1421# include <math.h>
1422# ifndef _cplusplus
1423# define Perl_fp_class(x) class(x)
1424# else
1425# define Perl_fp_class(x) _class(x)
1426# endif
1427# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1428# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1429# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1430# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1431# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1432# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1433# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1434# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1435# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1436# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1437# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1438# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1439# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1440# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1441# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1442#endif
1443
1444/* rumor has it that Win32 has _isnan() */
1445
1446#ifndef Perl_isnan
a3540c92 1447# ifdef HAS_ISNAN
758a5d79
JH		 1448# define Perl_isnan(x) isnan((NV)x)
1449# else
1450# ifdef Perl_fp_class_nan
1451# define Perl_isnan(x) Perl_fp_class_nan(x)
1452# else
1453# ifdef HAS_UNORDERED
1454# define Perl_isnan(x) unordered((x), 0.0)
1455# else
1456# define Perl_isnan(x) ((x)!=(x))
1457# endif
1458# endif
1459# endif
1460#endif
1461
ca6c63e1
JH		 1462#ifdef UNDER_CE
1463int isnan(double d);
1464#endif
1465
758a5d79
JH		 1466#ifndef Perl_isinf
1467# ifdef HAS_ISINF
1468# define Perl_isinf(x) isinf((NV)x)
a3540c92 1469# else
758a5d79
JH		 1470# ifdef Perl_fp_class_inf
1471# define Perl_isinf(x) Perl_fp_class_inf(x)
1472# else
1473# define Perl_isinf(x) ((x)==NV_INF)
1474# endif
1475# endif
1476#endif
1477
1478#ifndef Perl_isfinite
1479# ifdef HAS_FINITE
1480# define Perl_isfinite(x) finite((NV)x)
1481# else
1482# ifdef HAS_ISFINITE
1483# define Perl_isfinite(x) isfinite(x)
1484# else
1485# ifdef Perl_fp_class_finite
1486# define Perl_isfinite(x) Perl_fp_class_finite(x)
1487# else
1488# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1489# endif
1490# endif
a3540c92 1491# endif
65202027
DS		 1492#endif
1493
a36244b7
JH		 1494/* The default is to use Perl's own atof() implementation (in numeric.c).
1495 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1496 * it is however best to use the native implementation of atof.
1497 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1498 * Some good tests to try out with either setting are t/base/num.t,
205f51d8
AS		 1499 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1500 * you may need to be using a different function than atof! */
a36244b7
JH		 1501
1502#ifndef USE_PERL_ATOF
1503# ifndef _UNICOS
1504# define USE_PERL_ATOF
1505# endif
1506#else
1507# if USE_PERL_ATOF == 0
1508# undef USE_PERL_ATOF
1509# endif
1510#endif
1511
1512#ifdef USE_PERL_ATOF
1513# define Perl_atof(s) Perl_my_atof(s)
1514# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1515#else
1516# define Perl_atof(s) (NV)atof(s)
1517# define Perl_atof2(s, n) ((n) = atof(s))
1518#endif
cf2093f6 1519
d460ef45 1520/* Previously these definitions used hardcoded figures.
760ac839
LW		 1521 * It is hoped these formula are more portable, although
1522 * no data one way or another is presently known to me.
1523 * The "PERL_" names are used because these calculated constants
1524 * do not meet the ANSI requirements for LONG_MAX, etc., which
1525 * need to be constants acceptable to #if - kja
1526 * define PERL_LONG_MAX 2147483647L
1527 * define PERL_LONG_MIN (-LONG_MAX - 1)
1528 * define PERL ULONG_MAX 4294967295L
1529 */
1530
1531#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1532# include <limits.h>
760ac839 1533#endif
205f51d8
AS		 1534/* Included values.h above if necessary; still including limits.h down here,
1535 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1536
99abf803 1537/*
1538 * Try to figure out max and min values for the integral types. THE CORRECT
1539 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1540 * following hacks are used if neither limits.h or values.h provide them:
1541 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1542 * for types < int: (unsigned TYPE)~(unsigned)0
1543 * The argument to ~ must be unsigned so that later signed->unsigned
1544 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1545 * and it must not be smaller than int because ~ does integral promotion.
1546 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1547 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1548 * The latter is a hack which happens to work on some machines but
1549 * does *not* catch any random system, or things like integer types
1550 * with NaN if that is possible.
1551 *
1552 * All of the types are explicitly cast to prevent accidental loss of
1553 * numeric range, and in the hope that they will be less likely to confuse
1554 * over-eager optimizers.
1555 *
1556 */
27d4fb96 1557
99abf803 1558#define PERL_UCHAR_MIN ((unsigned char)0)
1559
1560#ifdef UCHAR_MAX
1561# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1562#else
99abf803 1563# ifdef MAXUCHAR
1564# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1565# else
99abf803 1566# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1567# endif
1568#endif
d460ef45 1569
99abf803 1570/*
1571 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1572 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1573 * depending on local options. Until Configure detects this (or at least
1574 * detects whether the "signed" keyword is available) the CHAR ranges
1575 * will not be included. UCHAR functions normally.
1576 * - kja
1577 */
27d4fb96 1578
99abf803 1579#define PERL_USHORT_MIN ((unsigned short)0)
1580
1581#ifdef USHORT_MAX
1582# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1583#else
99abf803 1584# ifdef MAXUSHORT
1585# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1586# else
ef2f54b0
CB		 1587# ifdef USHRT_MAX
1588# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1589# else
1590# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1591# endif
27d4fb96 1592# endif
1593#endif
1594
27d4fb96 1595#ifdef SHORT_MAX
99abf803 1596# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1597#else
1598# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1599# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1600# else
ef2f54b0
CB		 1601# ifdef SHRT_MAX
1602# define PERL_SHORT_MAX ((short)SHRT_MAX)
1603# else
1604# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1605# endif
27d4fb96 1606# endif
1607#endif
1608
1609#ifdef SHORT_MIN
99abf803 1610# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1611#else
1612# ifdef MINSHORT
99abf803 1613# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1614# else
ef2f54b0
CB		 1615# ifdef SHRT_MIN
1616# define PERL_SHORT_MIN ((short)SHRT_MIN)
1617# else
1618# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1619# endif
27d4fb96 1620# endif
1621#endif
1622
99abf803 1623#ifdef UINT_MAX
1624# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1625#else
99abf803 1626# ifdef MAXUINT
1627# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1628# else
99abf803 1629# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1630# endif
1631#endif
1632
99abf803 1633#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1634
1635#ifdef INT_MAX
99abf803 1636# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1637#else
1638# ifdef MAXINT /* Often used in <values.h> */
99abf803 1639# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1640# else
99abf803 1641# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1642# endif
1643#endif
1644
1645#ifdef INT_MIN
99abf803 1646# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1647#else
1648# ifdef MININT
99abf803 1649# define PERL_INT_MIN ((int)MININT)
27d4fb96 1650# else
1651# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1652# endif
1653#endif
1654
99abf803 1655#ifdef ULONG_MAX
1656# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1657#else
99abf803 1658# ifdef MAXULONG
1659# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1660# else
99abf803 1661# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1662# endif
1663#endif
1664
99abf803 1665#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1666
760ac839 1667#ifdef LONG_MAX
99abf803 1668# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1669#else
1670# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1671# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1672# else
99abf803 1673# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1674# endif
1675#endif
1676
1677#ifdef LONG_MIN
99abf803 1678# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1679#else
1680# ifdef MINLONG
99abf803 1681# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1682# else
27d4fb96 1683# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1684# endif
1685#endif
1686
d7d93a81 1687#ifdef UV_IS_QUAD
99abf803 1688
99abf803 1689# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1690# define PERL_UQUAD_MIN ((UV)0)
99abf803 1691# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1692# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1693
79072805
LW		 1694#endif
1695
22f7c9c9
JH		 1696#ifdef MYMALLOC
1697# include "malloc_ctl.h"
1698#endif
1699
830247a4 1700struct RExC_state_t;
880b20b6 1701
ee0007ab 1702typedef MEM_SIZE STRLEN;
450a55e4 1703
79072805
LW		 1704typedef struct op OP;
1705typedef struct cop COP;
1706typedef struct unop UNOP;
1707typedef struct binop BINOP;
1708typedef struct listop LISTOP;
1709typedef struct logop LOGOP;
79072805
LW		 1710typedef struct pmop PMOP;
1711typedef struct svop SVOP;
7934575e 1712typedef struct padop PADOP;
79072805 1713typedef struct pvop PVOP;
79072805
LW		 1714typedef struct loop LOOP;
1715
93a17b20 1716typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1717
1718/* Amdahl's <ksync.h> has struct sv */
1719/* SGI's <sys/sema.h> has struct sv */
1720#if defined(UTS) || defined(__sgi)
1721# define STRUCT_SV perl_sv
b8d3c5db
JH		 1722#else
1723# define STRUCT_SV sv
1724#endif
1725typedef struct STRUCT_SV SV;
79072805
LW		 1726typedef struct av AV;
1727typedef struct hv HV;
1728typedef struct cv CV;
378cc40b 1729typedef struct regexp REGEXP;
79072805 1730typedef struct gp GP;
0c30d9ec 1731typedef struct gv GV;
8990e307 1732typedef struct io IO;
c09156bb 1733typedef struct context PERL_CONTEXT;
79072805
LW		 1734typedef struct block BLOCK;
1735
1736typedef struct magic MAGIC;
ed6116ce 1737typedef struct xrv XRV;
79072805
LW		 1738typedef struct xpv XPV;
1739typedef struct xpviv XPVIV;
ff68c719 1740typedef struct xpvuv XPVUV;
79072805
LW		 1741typedef struct xpvnv XPVNV;
1742typedef struct xpvmg XPVMG;
1743typedef struct xpvlv XPVLV;
1744typedef struct xpvav XPVAV;
1745typedef struct xpvhv XPVHV;
1746typedef struct xpvgv XPVGV;
1747typedef struct xpvcv XPVCV;
1748typedef struct xpvbm XPVBM;
1749typedef struct xpvfm XPVFM;
8990e307 1750typedef struct xpvio XPVIO;
79072805
LW		 1751typedef struct mgvtbl MGVTBL;
1752typedef union any ANY;
5f7fde29
GS		 1753typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1754typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1755typedef struct clone_params CLONE_PARAMS;
1756
8d063cd8 1757
378cc40b 1758#include "handy.h"
a0d0e21e 1759
6b8eaf93 1760#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1761# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1762# define USE_64_BIT_RAWIO /* implicit */
1763# endif
4564133c
JH		 1764#endif
1765
6b8eaf93
JH		 1766/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1767 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1768 * however, because operating systems like to do that themself. */
1769#ifndef FSEEKSIZE
1770# ifdef HAS_FSEEKO
1771# define FSEEKSIZE LSEEKSIZE
1772# else
1773# define FSEEKSIZE LONGSIZE
d460ef45 1774# endif
6b8eaf93
JH		 1775#endif
1776
1777#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1778# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1779# define USE_64_BIT_STDIO /* implicit */
1780# endif
1781#endif
4564133c 1782
09458382 1783#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1784# ifdef HAS_OFF64_T
1785# undef Off_t
1786# define Off_t off64_t
1787# undef LSEEKSIZE
1788# define LSEEKSIZE 8
5ff3f7a4 1789# endif
d9b3e12d
JH		 1790/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1791 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1792 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1793# if defined(USE_OPEN64)
1794# define open open64
5ff3f7a4 1795# endif
d9b3e12d
JH		 1796# if defined(USE_LSEEK64)
1797# define lseek lseek64
6b8eaf93
JH		 1798# else
1799# if defined(USE_LLSEEK)
1800# define lseek llseek
1801# endif
d9b3e12d
JH		 1802# endif
1803# if defined(USE_STAT64)
1804# define stat stat64
1805# endif
1806# if defined(USE_FSTAT64)
1807# define fstat fstat64
1808# endif
1809# if defined(USE_LSTAT64)
1810# define lstat lstat64
1811# endif
1812# if defined(USE_FLOCK64)
1813# define flock flock64
1814# endif
1815# if defined(USE_LOCKF64)
1816# define lockf lockf64
1817# endif
1818# if defined(USE_FCNTL64)
1819# define fcntl fcntl64
1820# endif
1821# if defined(USE_TRUNCATE64)
1822# define truncate truncate64
1823# endif
1824# if defined(USE_FTRUNCATE64)
1825# define ftruncate ftruncate64
1826# endif
1827#endif
1828
1829#ifdef USE_64_BIT_STDIO
1830# ifdef HAS_FPOS64_T
1831# undef Fpos_t
1832# define Fpos_t fpos64_t
1833# endif
1834/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1835 * will trigger defines like the ones below. Some 64-bit environments,
1836 * however, do not. */
1837# if defined(USE_FOPEN64)
1838# define fopen fopen64
1839# endif
1840# if defined(USE_FSEEK64)
6b8eaf93 1841# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1842# endif
1843# if defined(USE_FTELL64)
6b8eaf93 1844# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1845# endif
1846# if defined(USE_FSETPOS64)
1847# define fsetpos fsetpos64
1848# endif
1849# if defined(USE_FGETPOS64)
1850# define fgetpos fgetpos64
1851# endif
1852# if defined(USE_TMPFILE64)
1853# define tmpfile tmpfile64
1854# endif
1855# if defined(USE_FREOPEN64)
1856# define freopen freopen64
5ff3f7a4
GS		 1857# endif
1858#endif
1859
af8b425d 1860#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1861# include "iperlsys.h"
1862#endif
1863
6f71a643 1864#if defined(__OPEN_VM)
19848b3f
JH		 1865# include "vmesa/vmesaish.h"
1866# define ISHISH "vmesa"
6f71a643
JH		 1867#endif
1868
748a9306 1869#ifdef DOSISH
19848b3f
JH		 1870# if defined(OS2)
1871# include "os2ish.h"
1872# else
1873# include "dosish.h"
1874# endif
1875# define ISHISH "dos"
1876#endif
1877
1878#if defined(VMS)
748a9306 1879# include "vmsish.h"
96e176bf 1880# include "embed.h"
19848b3f
JH		 1881# define ISHISH "vms"
1882#endif
1883
1884#if defined(PLAN9)
1885# include "./plan9/plan9ish.h"
1886# define ISHISH "plan9"
1887#endif
1888
1889#if defined(MPE)
1890# include "mpeix/mpeixish.h"
1891# define ISHISH "mpeix"
1892#endif
1893
1894#if defined(__VOS__)
196918b0
PG		 1895# ifdef __GNUC__
1896# include "./vos/vosish.h"
1897# else
1898# include "vos/vosish.h"
1899# endif
19848b3f
JH		 1900# define ISHISH "vos"
1901#endif
1902
1903#if defined(EPOC)
1904# include "epocish.h"
1905# define ISHISH "epoc"
1906#endif
1907
1908#if defined(MACOS_TRADITIONAL)
1909# include "macos/macish.h"
1910# ifndef NO_ENVIRON_ARRAY
1911# define NO_ENVIRON_ARRAY
0c30d9ec 1912# endif
19848b3f
JH		 1913# define ISHISH "macos classic"
1914#endif
1915
efca5cc6
JH		 1916#if defined(__BEOS__)
1917# include "beos/beosish.h"
1918# define ISHISH "beos"
1919#endif
1920
19848b3f
JH		 1921#ifndef ISHISH
1922# include "unixish.h"
1923# define ISHISH "unix"
13b6e58c
JH		 1924#endif
1925
1926#ifndef NO_ENVIRON_ARRAY
1927# define USE_ENVIRON_ARRAY
1928#endif
32f822de 1929
c77b533b
JH		 1930/*
1931 * initialise to avoid floating-point exceptions from overflow, etc
1932 */
1933#ifndef PERL_FPU_INIT
1934# ifdef HAS_FPSETMASK
1935# if HAS_FLOATINGPOINT_H
1936# include <floatingpoint.h>
1937# endif
1938# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1939# else
7014c407 1940# if defined(SIGFPE) && defined(SIG_IGN)
fbb56369 1941# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
b35112e7
CS		 1942# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1943# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1944# else
1945# define PERL_FPU_INIT
1946# endif
c77b533b
JH		 1947# endif
1948#endif
b35112e7
CS		 1949#ifndef PERL_FPU_PRE_EXEC
1950# define PERL_FPU_PRE_EXEC {
1951# define PERL_FPU_POST_EXEC }
1952#endif
c77b533b 1953
ed344e4f
IZ		 1954#ifndef PERL_SYS_INIT3
1955# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1956#endif
1957
be708cc0
JH		 1958#ifndef PERL_WRITE_MSG_TO_CONSOLE
1959# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1960#endif
1961
0f31cffe
GS		 1962#ifndef MAXPATHLEN
1963# ifdef PATH_MAX
b990c8b2
JH		 1964# ifdef _POSIX_PATH_MAX
1965# if PATH_MAX > _POSIX_PATH_MAX
09448d78
JH		 1966/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
1967 * included the null byte or not. Later amendments of POSIX,
1968 * XPG4, the Austin Group, and the Single UNIX Specification
1969 * all explicitly include the null byte in the PATH_MAX.
1970 * Ditto for _POSIX_PATH_MAX. */
1971# define MAXPATHLEN PATH_MAX
b990c8b2 1972# else
09448d78 1973# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1974# endif
1975# else
1976# define MAXPATHLEN (PATH_MAX+1)
1977# endif
0f31cffe 1978# else
b990c8b2 1979# ifdef _POSIX_PATH_MAX
09448d78 1980# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 1981# else
1982# define MAXPATHLEN 1024 /* Err on the large side. */
1983# endif
0f31cffe
GS		 1984# endif
1985#endif
1986
3db8f154 1987/* USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1988 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1989 * this results in many functions being undeclared which bothers C++
1990 * May make sense to have threads after "*ish.h" anyway
1991 */
1992
3db8f154 1993#if defined(USE_ITHREADS)
2986a63f
JH		 1994# ifdef NETWARE
1995# include <nw5thread.h>
1996# else
32f822de
GS		 1997# ifdef FAKE_THREADS
1998# include "fakethr.h"
1999# else
2000# ifdef WIN32
2001# include <win32thread.h>
2002# else
dd96f567
IZ		 2003# ifdef OS2
2004# include "os2thread.h"
2005# else
7f3d1cf1 2006# ifdef I_MACH_CTHREADS
bdd66968 2007# include <mach/cthreads.h>
8f1f23e8 2008# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2009# define MUTEX_INIT_CALLS_MALLOC
2010# endif
7f3d1cf1
BH		 2011typedef cthread_t perl_os_thread;
2012typedef mutex_t perl_mutex;
2013typedef condition_t perl_cond;
2014typedef void * perl_key;
2015# else /* Posix threads */
1f5ae88c
JH		 2016# ifdef I_PTHREAD
2017# include <pthread.h>
2018# endif
7f3d1cf1
BH		 2019typedef pthread_t perl_os_thread;
2020typedef pthread_mutex_t perl_mutex;
2021typedef pthread_cond_t perl_cond;
2022typedef pthread_key_t perl_key;
2023# endif /* I_MACH_CTHREADS */
dd96f567 2024# endif /* OS2 */
32f822de
GS		 2025# endif /* WIN32 */
2026# endif /* FAKE_THREADS */
2986a63f 2027#endif /* NETWARE */
3db8f154 2028#endif /* USE_ITHREADS */
c5be433b 2029
66a93824 2030#if defined(WIN32)
1feb2720 2031# include "win32.h"
c5be433b
GS		 2032#endif
2033
2986a63f
JH		 2034#ifdef NETWARE
2035# include "netware.h"
2036#endif
2037
68dc0745 2038#ifdef VMS
6b88bc9c 2039# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2040# define STATUS_NATIVE_EXPORT \
d98f61e7 2041 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2042# define STATUS_NATIVE_SET(n) \
2043 STMT_START { \
6b88bc9c
GS		 2044 PL_statusvalue_vms = (n); \
2045 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2046 PL_statusvalue = -1; \
6b88bc9c 2047 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2048 PL_statusvalue = 0; \
6b88bc9c
GS		 2049 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2050 PL_statusvalue = 1 << 8; \
68dc0745 2051 else \
6b88bc9c 2052 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2053 } STMT_END
3280af22 2054# define STATUS_POSIX PL_statusvalue
68dc0745 2055# ifdef VMSISH_STATUS
2056# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2057# else
2058# define STATUS_CURRENT STATUS_POSIX
2059# endif
2060# define STATUS_POSIX_SET(n) \
2061 STMT_START { \
3280af22
NIS		 2062 PL_statusvalue = (n); \
2063 if (PL_statusvalue != -1) { \
2064 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2065 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2066 } \
6b88bc9c 2067 else PL_statusvalue_vms = -1; \
68dc0745 2068 } STMT_END
6b88bc9c
GS		 2069# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2070# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2071#else
2072# define STATUS_NATIVE STATUS_POSIX
2073# define STATUS_NATIVE_EXPORT STATUS_POSIX
2074# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2075# define STATUS_POSIX PL_statusvalue
68dc0745 2076# define STATUS_POSIX_SET(n) \
2077 STMT_START { \
3280af22
NIS		 2078 PL_statusvalue = (n); \
2079 if (PL_statusvalue != -1) \
2080 PL_statusvalue &= 0xFFFF; \
68dc0745 2081 } STMT_END
2082# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2083# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2084# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2085#endif
2086
cc3604b1
GS		 2087/* flags in PL_exit_flags for nature of exit() */
2088#define PERL_EXIT_EXPECTED 0x01
31d77e54 2089#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2090
0b94c7bb 2091#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2092# define MEMBER_TO_FPTR(name) name
2093#endif
2094
2095/* format to use for version numbers in file/directory names */
273cf8d1 2096/* XXX move to Configure? */
a7cb1f99 2097#ifndef PERL_FS_VER_FMT
273cf8d1 2098# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2099#endif
2100
45bc9206 2101/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2102 * performance issue, so we allow people to disable it. Also, if
2103 * we are using stdio, there are broken implementations of fflush(NULL)
2104 * out there, Solaris being the most prominent.
45bc9206
GS		 2105 */
2106#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2107# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2108# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2109# else
2110# ifdef FFLUSH_ALL
2111# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2112# else
c5be433b 2113# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2114# endif
66fe083f 2115# endif
45bc9206
GS		 2116#endif
2117
7766f137
GS		 2118#ifndef PERL_WAIT_FOR_CHILDREN
2119# define PERL_WAIT_FOR_CHILDREN NOOP
2120#endif
2121
ba869deb 2122/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2123#ifndef PERL_SET_INTERP
2124# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2125#endif
2126
2127#ifndef PERL_GET_INTERP
2128# define PERL_GET_INTERP (PL_curinterp)
2129#endif
2130
54aff467 2131#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
54aff467 2132# ifdef MULTIPLICITY
ba869deb 2133# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467 2134# endif
ba869deb
GS		 2135# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2136#endif
2137
894356b3
GS		 2138#ifndef SVf
2139# ifdef CHECK_FORMAT
2140# define SVf "p"
84c133a0
RB		 2141# ifndef SVf256
2142# define SVf256 SVf
2143# endif
894356b3
GS		 2144# else
2145# define SVf "_"
d460ef45 2146# endif
894356b3
GS		 2147#endif
2148
84c133a0
RB		 2149#ifndef SVf256
2150# define SVf256 ".256"SVf
2151#endif
2152
d2560b70
RB		 2153#ifndef UVf
2154# ifdef CHECK_FORMAT
2155# define UVf UVuf
2156# else
2157# define UVf "Vu"
d460ef45 2158# endif
d2560b70
RB		 2159#endif
2160
2161#ifndef VDf
2162# ifdef CHECK_FORMAT
2163# define VDf "p"
2164# else
2165# define VDf "vd"
d460ef45 2166# endif
d2560b70
RB		 2167#endif
2168
b3fe4827
RB		 2169#ifndef Nullformat
2170# ifdef CHECK_FORMAT
2171# define Nullformat "%s",""
2172# else
2173# define Nullformat Nullch
2174# endif
2175#endif
2176
287c8091
RB		 2177#ifndef __attribute__format__
2178# ifdef CHECK_FORMAT
2179# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2180# else
2181# define __attribute__format__(x,y,z)
2182# endif
2183#endif
2184
3fc1aec6 2185/* Some unistd.h's give a prototype for pause() even though
2186 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2187 below to be rejected by the compiler. Sigh.
3fc1aec6 2188*/
2189#ifdef HAS_PAUSE
2190#define Pause pause
2191#else
2192#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2193#endif
2194
2195#ifndef IOCPARM_LEN
2196# ifdef IOCPARM_MASK
2197 /* on BSDish systes we're safe */
2198# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2199# else
2200 /* otherwise guess at what's safe */
2201# define IOCPARM_LEN(x) 256
2202# endif
a0d0e21e
LW		 2203#endif
2204
1761cee5 2205#if defined(__CYGWIN__)
521e0776
GS		 2206/* USEMYBINMODE
2207 * This symbol, if defined, indicates that the program should
16fe6d59 2208 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2209 * that a file is in "binary" mode -- that is, that no translation
2210 * of bytes occurs on read or write operations.
2211 */
36894f0b 2212# define USEMYBINMODE /**/
77a40698 2213# include <io.h> /* for setmode() prototype */
16fe6d59 2214# define my_binmode(fp, iotype, mode) \
77a40698 2215 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2216#endif
2217
88d10794
JH		 2218#ifdef __CYGWIN__
2219void init_os_extras(void);
2220#endif
2221
cea2e8a9
GS		 2222#ifdef UNION_ANY_DEFINITION
2223UNION_ANY_DEFINITION;
2224#else
2225union any {
2226 void* any_ptr;
2227 I32 any_i32;
2228 IV any_iv;
2229 long any_long;
9febdf04 2230 bool any_bool;
c76ac1ee 2231 void (*any_dptr) (void*);
acfe0abc 2232 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2233};
2234#endif
2235
acfe0abc 2236typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2237
2238#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2239#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2240#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2241
c5078cac
JH		 2242#if defined(_AIX) && !defined(_AIX43)
2243#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2244/* We cannot include <crypt.h> to get the struct crypt_data
2245 * because of setkey prototype problems when threading */
2246typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2247 /* From OSF, Not needed in AIX
2248 char C[28], D[28];
2249 */
2250 char E[48];
2251 char KS[16][48];
2252 char block[66];
2253 char iobuf[16];
2254} CRYPTD;
2255#endif /* threading */
2256#endif /* AIX */
2257
af8b425d 2258#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2259# include "iperlsys.h"
2260#endif
504f80c1 2261
d10dc2ae
JH		 2262/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2263 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2264 * defined by Configure, despite their names being similar to the
2265 * other defines like USE_ITHREADS. Configure in fact knows nothing
2266 * about the randomised hashes. Therefore to enable/disable the hash
2267 * randomisation defines use the Configure -Accflags=... instead. */
504f80c1 2268#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
4546b9e6 2269# define USE_HASH_SEED
504f80c1
JH		 2270#endif
2271
378cc40b 2272#include "regexp.h"
79072805 2273#include "sv.h"
378cc40b 2274#include "util.h"
8d063cd8 2275#include "form.h"
79072805 2276#include "gv.h"
dd2155a4 2277#include "pad.h"
79072805 2278#include "cv.h"
abdd5c84 2279#include "opnames.h"
79072805
LW		 2280#include "op.h"
2281#include "cop.h"
2282#include "av.h"
2283#include "hv.h"
2284#include "mg.h"
2285#include "scope.h"
4438c4b7 2286#include "warnings.h"
a0ed51b3 2287#include "utf8.h"
8d063cd8 2288
7fae4e64
GS		 2289/* Current curly descriptor */
2290typedef struct curcur CURCUR;
2291struct curcur {
2292 int parenfloor; /* how far back to strip paren data */
2293 int cur; /* how many instances of scan we've matched */
2294 int min; /* the minimal number of scans to match */
2295 int max; /* the maximal number of scans to match */
2296 int minmod; /* whether to work our way up or down */
2297 regnode * scan; /* the thing to match */
2298 regnode * next; /* what has to match after it */
2299 char * lastloc; /* where we started matching this scan */
2300 CURCUR * oldcc; /* current curly before we started this one */
2301};
2302
2303typedef struct _sublex_info SUBLEXINFO;
2304struct _sublex_info {
2305 I32 super_state; /* lexer state to save */
2306 I32 sub_inwhat; /* "lex_inwhat" to use */
2307 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2308 char *super_bufptr; /* PL_bufptr that was */
2309 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2310};
2311
455ece5e 2312typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2313
2c2d71f5 2314struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2315struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2316
2317typedef I32 CHECKPOINT;
76e3520e 2318
5f7fde29
GS		 2319struct ptr_tbl_ent {
2320 struct ptr_tbl_ent* next;
2321 void* oldval;
2322 void* newval;
d18c6117
GS		 2323};
2324
5f7fde29
GS		 2325struct ptr_tbl {
2326 struct ptr_tbl_ent** tbl_ary;
2327 UV tbl_max;
2328 UV tbl_items;
d18c6117
GS		 2329};
2330
450a55e4 2331#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2332# define I286
2333#endif
2334
fe14fcc3
LW		 2335#if defined(htonl) && !defined(HAS_HTONL)
2336#define HAS_HTONL
ae986130 2337#endif
fe14fcc3
LW		 2338#if defined(htons) && !defined(HAS_HTONS)
2339#define HAS_HTONS
ae986130 2340#endif
fe14fcc3
LW		 2341#if defined(ntohl) && !defined(HAS_NTOHL)
2342#define HAS_NTOHL
ae986130 2343#endif
fe14fcc3
LW		 2344#if defined(ntohs) && !defined(HAS_NTOHS)
2345#define HAS_NTOHS
ae986130 2346#endif
fe14fcc3 2347#ifndef HAS_HTONL
d9d8d8de 2348#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2349#define HAS_HTONS
2350#define HAS_HTONL
2351#define HAS_NTOHS
2352#define HAS_NTOHL
a687059c
LW		 2353#define MYSWAP
2354#define htons my_swap
2355#define htonl my_htonl
2356#define ntohs my_swap
2357#define ntohl my_ntohl
2358#endif
2359#else
d9d8d8de 2360#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2361#undef HAS_HTONS
2362#undef HAS_HTONL
2363#undef HAS_NTOHS
2364#undef HAS_NTOHL
a687059c
LW		 2365#endif
2366#endif
2367
988174c1
LW		 2368/*
2369 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2370 * -DWS
2371 */
2372#if BYTEORDER != 0x1234
2373# define HAS_VTOHL
2374# define HAS_VTOHS
2375# define HAS_HTOVL
2376# define HAS_HTOVS
c67712b2 2377# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2378# define vtohl(x) ((((x)&0xFF)<<24) \
2379 +(((x)>>24)&0xFF) \
2380 +(((x)&0x0000FF00)<<8) \
2381 +(((x)&0x00FF0000)>>8) )
2382# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2383# define htovl(x) vtohl(x)
2384# define htovs(x) vtohs(x)
2385# endif
2386 /* otherwise default to functions in util.c */
2a8c3029 2387#ifndef htovs
c623ac67
GS		 2388short htovs(short n);
2389short vtohs(short n);
2390long htovl(long n);
2391long vtohl(long n);
988174c1 2392#endif
2a8c3029 2393#endif
988174c1 2394
3bb7c1b4
JH		 2395/* *MAX Plus 1. A floating point value.
2396 Hopefully expressed in a way that dodgy floating point can't mess up.
2397 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2398 is added to it
2399 May find that some broken compiler will want the value cast to I32.
2400 [after the shift, as signed >> may not be as secure as unsigned >>]
2401*/
2402#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2403#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2404/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2405 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2406 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2407*/
2408#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2409
3bb7c1b4
JH		 2410#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2411#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2412#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2413
2414/* This may look like unnecessary jumping through hoops, but converting
2415 out of range floating point values to integers *is* undefined behaviour,
2416 and it is starting to bite.
2417*/
2418#ifndef CAST_INLINE
65202027 2419#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2420#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2421#define I_V(what) (cast_iv((NV)(what)))
2422#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2423#else
2424#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2425 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2426 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2427#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2428 : ((n) < U32_MAX_P1 ? (U32) (n) \
2429 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2430#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2431 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2432 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2433#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2434 : ((n) < UV_MAX_P1 ? (UV) (n) \
2435 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2436#endif
2437
2438#define U_S(what) ((U16)U_32(what))
2439#define U_I(what) ((unsigned int)U_32(what))
2440#define U_L(what) U_32(what)
ed6116ce 2441
2d4389e4
JH		 2442/* These do not care about the fractional part, only about the range. */
2443#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2444#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2445
25da4f38
IZ		 2446/* Used with UV/IV arguments: */
2447 /* XXXX: need to speed it up */
2448#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2449#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2450
352d5a3a
LW		 2451#ifndef MAXSYSFD
2452# define MAXSYSFD 2
2453#endif
ee0007ab 2454
79072805 2455#ifndef __cplusplus
e1caacb4 2456#ifndef UNDER_CE
20ce7b12
GS		 2457Uid_t getuid (void);
2458Uid_t geteuid (void);
2459Gid_t getgid (void);
2460Gid_t getegid (void);
79072805 2461#endif
e1caacb4 2462#endif
8d063cd8 2463
0c30d9ec 2464#ifndef Perl_debug_log
bf49b057
GS		 2465# define Perl_debug_log PerlIO_stderr()
2466#endif
2467
2468#ifndef Perl_error_log
2469# define Perl_error_log (PL_stderrgv \
6b78add2 2470 && isGV(PL_stderrgv) \
01bb7c6d 2471 && GvIOp(PL_stderrgv) \
42de951c 2472 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2473 ? IoOFP(GvIOp(PL_stderrgv)) \
2474 : PerlIO_stderr())
0c30d9ec 2475#endif
3967c732 2476
aea4f609
DM		 2477
2478#define DEBUG_p_FLAG 0x00000001 /* 1 */
2479#define DEBUG_s_FLAG 0x00000002 /* 2 */
2480#define DEBUG_l_FLAG 0x00000004 /* 4 */
2481#define DEBUG_t_FLAG 0x00000008 /* 8 */
2482#define DEBUG_o_FLAG 0x00000010 /* 16 */
2483#define DEBUG_c_FLAG 0x00000020 /* 32 */
2484#define DEBUG_P_FLAG 0x00000040 /* 64 */
2485#define DEBUG_m_FLAG 0x00000080 /* 128 */
2486#define DEBUG_f_FLAG 0x00000100 /* 256 */
2487#define DEBUG_r_FLAG 0x00000200 /* 512 */
2488#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2489#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2490#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2491#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2492#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2493#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2494#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2495#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2496#define DEBUG_J_FLAG 0x00080000 /* 524288 */
d6721266 2497#define DEBUG_v_FLAG 0x00100000 /*1048576 */
46187eeb 2498#define DEBUG_C_FLAG 0x00200000 /*2097152 */
7bab3ede 2499#define DEBUG_MASK 0x003FEFFF /* mask of all the standard flags */
aea4f609
DM		 2500
2501#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2502#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2503 that something was done? */
aea4f609 2504
bd16a5f0
IZ		 2505# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2506# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2507# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2508# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2509# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2510# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2511# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2512# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2513# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2514# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2515# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2516# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2517# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2518# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2519# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2520# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2521# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2522# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2523# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
d6721266 2524# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
46187eeb 2525# define DEBUG_C_TEST_ (PL_debug & DEBUG_C_FLAG)
dd2155a4 2526# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
bd16a5f0 2527
3967c732 2528#ifdef DEBUGGING
aea4f609
DM		 2529
2530# undef YYDEBUG
2531# define YYDEBUG 1
2532
bd16a5f0
IZ		 2533# define DEBUG_p_TEST DEBUG_p_TEST_
2534# define DEBUG_s_TEST DEBUG_s_TEST_
2535# define DEBUG_l_TEST DEBUG_l_TEST_
2536# define DEBUG_t_TEST DEBUG_t_TEST_
2537# define DEBUG_o_TEST DEBUG_o_TEST_
2538# define DEBUG_c_TEST DEBUG_c_TEST_
2539# define DEBUG_P_TEST DEBUG_P_TEST_
2540# define DEBUG_m_TEST DEBUG_m_TEST_
2541# define DEBUG_f_TEST DEBUG_f_TEST_
2542# define DEBUG_r_TEST DEBUG_r_TEST_
2543# define DEBUG_x_TEST DEBUG_x_TEST_
2544# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2545# define DEBUG_H_TEST DEBUG_H_TEST_
2546# define DEBUG_X_TEST DEBUG_X_TEST_
dd2155a4 2547# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2548# define DEBUG_D_TEST DEBUG_D_TEST_
2549# define DEBUG_S_TEST DEBUG_S_TEST_
2550# define DEBUG_T_TEST DEBUG_T_TEST_
2551# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2552# define DEBUG_J_TEST DEBUG_J_TEST_
d6721266 2553# define DEBUG_v_TEST DEBUG_v_TEST_
46187eeb 2554# define DEBUG_C_TEST DEBUG_C_TEST_
aea4f609
DM		 2555
2556# define DEB(a) a
2557# define DEBUG(a) if (PL_debug) a
2558# define DEBUG_p(a) if (DEBUG_p_TEST) a
2559# define DEBUG_s(a) if (DEBUG_s_TEST) a
2560# define DEBUG_l(a) if (DEBUG_l_TEST) a
2561# define DEBUG_t(a) if (DEBUG_t_TEST) a
2562# define DEBUG_o(a) if (DEBUG_o_TEST) a
2563# define DEBUG_c(a) if (DEBUG_c_TEST) a
2564# define DEBUG_P(a) if (DEBUG_P_TEST) a
2565
969058bb
VK		 2566 /* Temporarily turn off memory debugging in case the a
2567 * does memory allocation, either directly or indirectly. */
acfe0abc 2568# define DEBUG_m(a) \
0b250b9e 2569 STMT_START { \
aea4f609 2570 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2571 } STMT_END
aea4f609 2572
5f80b19c
AMS		 2573# define DEBUG__(t, a) \
2574 STMT_START { \
2575 if (t) STMT_START {a;} STMT_END; \
2576 } STMT_END
2577
2578# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2579# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2580# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2581# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2582# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2583# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
dd2155a4 2584# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2585# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2586
3db8f154 2587# define DEBUG_S(a)
aea4f609 2588
5f80b19c
AMS		 2589# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2590# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
d6721266 2591# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
46187eeb 2592# define DEBUG_C(a) DEBUG__(DEBUG_C_TEST, a)
aea4f609
DM		 2593
2594#else /* DEBUGGING */
2595
2596# define DEBUG_p_TEST (0)
2597# define DEBUG_s_TEST (0)
2598# define DEBUG_l_TEST (0)
2599# define DEBUG_t_TEST (0)
2600# define DEBUG_o_TEST (0)
2601# define DEBUG_c_TEST (0)
2602# define DEBUG_P_TEST (0)
2603# define DEBUG_m_TEST (0)
2604# define DEBUG_f_TEST (0)
2605# define DEBUG_r_TEST (0)
2606# define DEBUG_x_TEST (0)
2607# define DEBUG_u_TEST (0)
aea4f609
DM		 2608# define DEBUG_H_TEST (0)
2609# define DEBUG_X_TEST (0)
dd2155a4 2610# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2611# define DEBUG_D_TEST (0)
2612# define DEBUG_S_TEST (0)
2613# define DEBUG_T_TEST (0)
04932ac8 2614# define DEBUG_R_TEST (0)
1045810a 2615# define DEBUG_J_TEST (0)
d6721266 2616# define DEBUG_v_TEST (0)
46187eeb 2617# define DEBUG_C_TEST (0)
aea4f609
DM		 2618
2619# define DEB(a)
2620# define DEBUG(a)
2621# define DEBUG_p(a)
2622# define DEBUG_s(a)
2623# define DEBUG_l(a)
2624# define DEBUG_t(a)
2625# define DEBUG_o(a)
2626# define DEBUG_c(a)
2627# define DEBUG_P(a)
2628# define DEBUG_m(a)
2629# define DEBUG_f(a)
2630# define DEBUG_r(a)
2631# define DEBUG_x(a)
2632# define DEBUG_u(a)
aea4f609
DM		 2633# define DEBUG_H(a)
2634# define DEBUG_X(a)
dd2155a4 2635# define DEBUG_Xv(a)
aea4f609
DM		 2636# define DEBUG_D(a)
2637# define DEBUG_S(a)
2638# define DEBUG_T(a)
04932ac8 2639# define DEBUG_R(a)
d6721266 2640# define DEBUG_v(a)
46187eeb 2641# define DEBUG_C(a)
aea4f609
DM		 2642#endif /* DEBUGGING */
2643
2644
b4ab917c
DM		 2645#define DEBUG_SCOPE(where) \
2646 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2647 where, PL_scopestack_ix, __FILE__, __LINE__)));
2648
2649
2650
2651
d1be9408 2652/* These constants should be used in preference to raw characters
14befaf4
DM		 2653 * when using magic. Note that some perl guts still assume
2654 * certain character properties of these constants, namely that
2655 * isUPPER() and toLOWER() may do useful mappings.
2656 *
2657 * Update the magic_names table in dump.c when adding/amending these
2658 */
2659
2660#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2661#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2662#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2663#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2664#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2665#define PERL_MAGIC_regdata 'D' /* Regex match position data
2666 (@+ and @- vars) */
2667#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2668#define PERL_MAGIC_env 'E' /* %ENV hash */
2669#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2670#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2671#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2672#define PERL_MAGIC_isa 'I' /* @ISA array */
2673#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2674#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2675#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2676#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2677#define PERL_MAGIC_mutex 'm' /* for lock op */
2678#define PERL_MAGIC_shared 'N' /* Shared between threads */
2679#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2680#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2681#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2682#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2683#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2684#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2685#define PERL_MAGIC_sig 'S' /* %SIG hash */
2686#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2687#define PERL_MAGIC_taint 't' /* Taintedness */
2688#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2689#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4 2690#define PERL_MAGIC_vec 'v' /* vec() lvalue */
92f0c265 2691#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
7e8c5dac 2692#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2693#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2694#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2695 smart parameter vivification */
2696#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2697#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2698#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2699#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2700#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2701
2702
fe14fcc3 2703#define YYMAXDEPTH 300
8d063cd8 2704
a6e633de 2705#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2706#ifdef DEBUGGING
2707#define assert(what) DEB( { \
2708 if (!(what)) { \
2709 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2710 __FILE__, __LINE__); \
2711 PerlProc_exit(1); \
2712 }})
2713#else
79072805
LW		 2714#define assert(what) DEB( { \
2715 if (!(what)) { \
cea2e8a9 2716 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2717 __FILE__, __LINE__); \
cea2e8a9 2718 PerlProc_exit(1); \
79072805 2719 }})
a6e633de 2720#endif
a446a88f 2721#endif
8d063cd8 2722
450a55e4 2723struct ufuncs {
24f81a43
DM		 2724 I32 (*uf_val)(pTHX_ IV, SV*);
2725 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2726 IV uf_index;
450a55e4
LW		 2727};
2728
14befaf4 2729/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2730 * XS code wanting to be backward compatible can do something
2731 * like the following:
c745e42c 2732
24f81a43 2733#ifndef PERL_MG_UFUNC
24f81a43
DM		 2734#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2735#endif
2736
2737static PERL_MG_UFUNC(foo_get, index, val)
2738{
2739 sv_setsv(val, ...);
2740 return TRUE;
2741}
2742
2743-- Doug MacEachern
2744
2745*/
2746
fc9c74e6 2747#ifndef PERL_MG_UFUNC
24f81a43 2748#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2749#endif
24f81a43 2750
fe14fcc3 2751/* Fix these up for __STDC__ */
68dc0745 2752#ifndef DONT_DECLARE_STD
20ce7b12 2753char *mktemp (char*);
37bd1396 2754#ifndef atof
20ce7b12 2755double atof (const char*);
a0d0e21e 2756#endif
37bd1396 2757#endif
79072805 2758
352d5a3a 2759#ifndef STANDARD_C
fe14fcc3 2760/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2761Time_t time();
8d063cd8 2762struct tm *gmtime(), *localtime();
092bebab 2763#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2764char *(strchr)(), *(strrchr)();
2765char *(strcpy)(), *(strcat)();
2766#else
93a17b20 2767char *strchr(), *strrchr();
378cc40b 2768char *strcpy(), *strcat();
9d116dd7 2769#endif
352d5a3a 2770#endif /* ! STANDARD_C */
8d063cd8 2771
79072805
LW		 2772
2773#ifdef I_MATH
2774# include <math.h>
2775#else
32f822de 2776START_EXTERN_C
20ce7b12
GS		 2777 double exp (double);
2778 double log (double);
2779 double log10 (double);
2780 double sqrt (double);
2781 double frexp (double,int*);
2782 double ldexp (double,int);
2783 double modf (double,double*);
2784 double sin (double);
2785 double cos (double);
2786 double atan2 (double,double);
2787 double pow (double,double);
32f822de 2788END_EXTERN_C
79072805
LW		 2789#endif
2790
aa8b85de
JH		 2791#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2792# define NV_INF LDBL_INFINITY
2793#endif
2794#if !defined(NV_INF) && defined(DBL_INFINITY)
2795# define NV_INF (NV)DBL_INFINITY
2796#endif
2797#if !defined(NV_INF) && defined(INFINITY)
2798# define NV_INF (NV)INFINITY
2799#endif
2800#if !defined(NV_INF) && defined(INF)
2801# define NV_INF (NV)INF
2802#endif
2803#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2804# define NV_INF (NV)HUGE_VALL
2805#endif
2806#if !defined(NV_INF) && defined(HUGE_VAL)
2807# define NV_INF (NV)HUGE_VAL
2808#endif
2809
2810#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2811# if !defined(NV_NAN) && defined(LDBL_NAN)
2812# define NV_NAN LDBL_NAN
2813# endif
2814# if !defined(NV_NAN) && defined(LDBL_QNAN)
2815# define NV_NAN LDBL_QNAN
2816# endif
2817# if !defined(NV_NAN) && defined(LDBL_SNAN)
2818# define NV_NAN LDBL_SNAN
2819# endif
2820#endif
2821#if !defined(NV_NAN) && defined(DBL_NAN)
2822# define NV_NAN (NV)DBL_NAN
2823#endif
2824#if !defined(NV_NAN) && defined(DBL_QNAN)
2825# define NV_NAN (NV)DBL_QNAN
2826#endif
2827#if !defined(NV_NAN) && defined(DBL_SNAN)
2828# define NV_NAN (NV)DBL_SNAN
2829#endif
2830#if !defined(NV_NAN) && defined(QNAN)
2831# define NV_NAN (NV)QNAN
2832#endif
2833#if !defined(NV_NAN) && defined(SNAN)
2834# define NV_NAN (NV)SNAN
2835#endif
2836#if !defined(NV_NAN) && defined(NAN)
2837# define NV_NAN (NV)NAN
2838#endif
2839
a0d0e21e 2840#ifndef __cplusplus
8f1f23e8 2841# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2842char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2843# else
fd8cd3a3 2844# if !defined(WIN32) && !defined(VMS)
10bc17b6 2845#ifndef crypt
20ce7b12 2846char *crypt (const char*, const char*);
10bc17b6 2847#endif
5014db98 2848# endif /* !WIN32 */
8f1f23e8 2849# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2850# ifndef DONT_DECLARE_STD
2851# ifndef getenv
20ce7b12 2852char *getenv (const char*);
26618a56 2853# endif /* !getenv */
28ca6303 2854# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2855# ifdef _FILE_OFFSET_BITS
28ca6303 2856# if _FILE_OFFSET_BITS == 64
20ce7b12 2857Off_t lseek (int,Off_t,int);
0fc67700
JH		 2858# endif
2859# endif
bf0c440f 2860# endif
26618a56 2861# endif /* !DONT_DECLARE_STD */
10bc17b6 2862#ifndef getlogin
20ce7b12 2863char *getlogin (void);
10bc17b6 2864#endif
26618a56 2865#endif /* !__cplusplus */
79072805 2866
16d20bd9 2867#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2868#define UNLINK unlnk
20ce7b12 2869I32 unlnk (char*);
8d063cd8 2870#else
80252599 2871#define UNLINK PerlLIO_unlink
8d063cd8 2872#endif
a687059c 2873
fa0a29af
JH		 2874/* some versions of glibc are missing the setresuid() proto */
2875#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2876int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2877#endif
fa0a29af
JH		 2878/* some versions of glibc are missing the setresgid() proto */
2879#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2880int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2881#endif
2882
fe14fcc3 2883#ifndef HAS_SETREUID
85e6fe83
LW		 2884# ifdef HAS_SETRESUID
2885# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2886# define HAS_SETREUID
2887# endif
a687059c 2888#endif
fe14fcc3 2889#ifndef HAS_SETREGID
85e6fe83
LW		 2890# ifdef HAS_SETRESGID
2891# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2892# define HAS_SETREGID
2893# endif
a687059c 2894#endif
ee0007ab 2895
d543acb6 2896/* Sighandler_t defined in iperlsys.h */
ff68c719 2897
2898#ifdef HAS_SIGACTION
2899typedef struct sigaction Sigsave_t;
2900#else
2901typedef Sighandler_t Sigsave_t;
2902#endif
2903
ee0007ab
LW		 2904#define SCAN_DEF 0
2905#define SCAN_TR 1
2906#define SCAN_REPL 2
79072805
LW		 2907
2908#ifdef DEBUGGING
4633a7c4 2909# ifndef register
a0d0e21e
LW		 2910# define register
2911# endif
cea2e8a9 2912# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2913#else
cea2e8a9 2914# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2915#endif
2916
18f739ee 2917#ifdef MYMALLOC
772fe5b3 2918# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2919# define MALLOC_INIT \
2920 STMT_START { \
2921 PL_malloc_mutex = NULL; \
2922 MUTEX_INIT(&PL_malloc_mutex); \
2923 } STMT_END
2924# define MALLOC_TERM \
2925 STMT_START { \
2926 perl_mutex tmp = PL_malloc_mutex; \
2927 PL_malloc_mutex = NULL; \
2928 MUTEX_DESTROY(&tmp); \
2929 } STMT_END
2930# else
2931# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2932# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2933# endif
18f739ee
IZ		 2934#else
2935# define MALLOC_INIT
2936# define MALLOC_TERM
2937#endif
2938
b6d9d515 2939
0cb96387 2940typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2941typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2942typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2943typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2944
940cb80d 2945/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2946#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2947
8f1f23e8
W		 2948/* NeXT has problems with crt0.o globals */
2949#if defined(__DYNAMIC__) && \
f72d1791 2950 (defined(NeXT) || defined(__NeXT__) || defined(DARWIN))
8f1f23e8
W		 2951# if defined(NeXT) || defined(__NeXT)
2952# include <mach-o/dyld.h>
2953# define environ (*environ_pointer)
0c30d9ec 2954EXT char *** environ_pointer;
8f1f23e8 2955# else
f72d1791 2956# if defined(DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 2957# include <crt_externs.h> /* for the env array */
2958# define environ (*_NSGetEnviron())
2959# endif
0c30d9ec 2960# endif
8f1f23e8
W		 2961#else
2962 /* VMS and some other platforms don't use the environ array */
13b6e58c 2963# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2964# if !defined(DONT_DECLARE_STD) || \
2965 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2966 defined(__sgi) || \
d460ef45 2967 defined(__DGUX)
8f1f23e8 2968extern char ** environ; /* environment variables supplied via exec */
a6c40364 2969# endif
8f1f23e8
W		 2970# endif
2971#endif
79072805 2972
73c4f7a1
GS		 2973START_EXTERN_C
2974
79072805 2975/* handy constants */
22c35a8c 2976EXTCONST char PL_warn_uninit[]
b89fed5f 2977 INIT("Use of uninitialized value%s%s");
22c35a8c 2978EXTCONST char PL_warn_nosemi[]
463ee0b2 2979 INIT("Semicolon seems to be missing");
22c35a8c 2980EXTCONST char PL_warn_reserved[]
463ee0b2 2981 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2982EXTCONST char PL_warn_nl[]
93a17b20 2983 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2984EXTCONST char PL_no_wrongref[]
a0d0e21e 2985 INIT("Can't use %s ref as %s ref");
22c35a8c 2986EXTCONST char PL_no_symref[]
748a9306 2987 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2988EXTCONST char PL_no_usym[]
8990e307 2989 INIT("Can't use an undefined value as %s reference");
22c35a8c 2990EXTCONST char PL_no_aelem[]
93a17b20 2991 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2992EXTCONST char PL_no_helem[]
93a17b20 2993 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2994EXTCONST char PL_no_modify[]
93a17b20 2995 INIT("Modification of a read-only value attempted");
22c35a8c 2996EXTCONST char PL_no_mem[]
93a17b20 2997 INIT("Out of memory!\n");
22c35a8c 2998EXTCONST char PL_no_security[]
463ee0b2 2999 INIT("Insecure dependency in %s%s");
22c35a8c 3000EXTCONST char PL_no_sock_func[]
93a17b20 3001 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3002EXTCONST char PL_no_dir_func[]
93a17b20 3003 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3004EXTCONST char PL_no_func[]
93a17b20 3005 INIT("The %s function is unimplemented");
22c35a8c 3006EXTCONST char PL_no_myglob[]
748a9306 3007 INIT("\"my\" variable %s can't be in a package");
82d03984
RGS		 3008EXTCONST char PL_no_localize_ref[]
3009 INIT("Can't localize through a reference");
93a17b20 3010
7575fa06 3011EXTCONST char PL_uuemap[65]
80252599
GS		 3012 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3013
3014
79072805 3015#ifdef DOINIT
22c35a8c
GS		 3016EXT char *PL_sig_name[] = { SIG_NAME };
3017EXT int PL_sig_num[] = { SIG_NUM };
79072805 3018#else
22c35a8c
GS		 3019EXT char *PL_sig_name[];
3020EXT int PL_sig_num[];
79072805
LW		 3021#endif
3022
3bd709b1 3023/* fast conversion and case folding tables */
bbce6d69 3024
79072805 3025#ifdef DOINIT
9d116dd7 3026#ifdef EBCDIC
22c35a8c 3027EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3028 0, 1, 2, 3, 4, 5, 6, 7,
3029 8, 9, 10, 11, 12, 13, 14, 15,
3030 16, 17, 18, 19, 20, 21, 22, 23,
3031 24, 25, 26, 27, 28, 29, 30, 31,
3032 32, 33, 34, 35, 36, 37, 38, 39,
3033 40, 41, 42, 43, 44, 45, 46, 47,
3034 48, 49, 50, 51, 52, 53, 54, 55,
3035 56, 57, 58, 59, 60, 61, 62, 63,
3036 64, 65, 66, 67, 68, 69, 70, 71,
3037 72, 73, 74, 75, 76, 77, 78, 79,
3038 80, 81, 82, 83, 84, 85, 86, 87,
3039 88, 89, 90, 91, 92, 93, 94, 95,
3040 96, 97, 98, 99, 100, 101, 102, 103,
3041 104, 105, 106, 107, 108, 109, 110, 111,
3042 112, 113, 114, 115, 116, 117, 118, 119,
3043 120, 121, 122, 123, 124, 125, 126, 127,
3044 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3045 'H', 'I', 138, 139, 140, 141, 142, 143,
3046 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3047 'Q', 'R', 154, 155, 156, 157, 158, 159,
3048 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3049 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3050 176, 177, 178, 179, 180, 181, 182, 183,
3051 184, 185, 186, 187, 188, 189, 190, 191,
3052 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3053 'h', 'i', 202, 203, 204, 205, 206, 207,
3054 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3055 'q', 'r', 218, 219, 220, 221, 222, 223,
3056 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3057 'y', 'z', 234, 235, 236, 237, 238, 239,
3058 240, 241, 242, 243, 244, 245, 246, 247,
3059 248, 249, 250, 251, 252, 253, 254, 255
3060};
3061#else /* ascii rather than ebcdic */
22c35a8c 3062EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3063 0, 1, 2, 3, 4, 5, 6, 7,
3064 8, 9, 10, 11, 12, 13, 14, 15,
3065 16, 17, 18, 19, 20, 21, 22, 23,
3066 24, 25, 26, 27, 28, 29, 30, 31,
3067 32, 33, 34, 35, 36, 37, 38, 39,
3068 40, 41, 42, 43, 44, 45, 46, 47,
3069 48, 49, 50, 51, 52, 53, 54, 55,
3070 56, 57, 58, 59, 60, 61, 62, 63,
3071 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3072 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3073 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3074 'x', 'y', 'z', 91, 92, 93, 94, 95,
3075 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3076 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3077 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3078 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3079 128, 129, 130, 131, 132, 133, 134, 135,
3080 136, 137, 138, 139, 140, 141, 142, 143,
3081 144, 145, 146, 147, 148, 149, 150, 151,
3082 152, 153, 154, 155, 156, 157, 158, 159,
3083 160, 161, 162, 163, 164, 165, 166, 167,
3084 168, 169, 170, 171, 172, 173, 174, 175,
3085 176, 177, 178, 179, 180, 181, 182, 183,
3086 184, 185, 186, 187, 188, 189, 190, 191,
3087 192, 193, 194, 195, 196, 197, 198, 199,
3088 200, 201, 202, 203, 204, 205, 206, 207,
3089 208, 209, 210, 211, 212, 213, 214, 215,
3090 216, 217, 218, 219, 220, 221, 222, 223,
3091 224, 225, 226, 227, 228, 229, 230, 231,
3092 232, 233, 234, 235, 236, 237, 238, 239,
3093 240, 241, 242, 243, 244, 245, 246, 247,
3094 248, 249, 250, 251, 252, 253, 254, 255
3095};
9d116dd7 3096#endif /* !EBCDIC */
79072805 3097#else
22c35a8c 3098EXTCONST unsigned char PL_fold[];
79072805
LW		 3099#endif
3100
3101#ifdef DOINIT
22c35a8c 3102EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3103 0, 1, 2, 3, 4, 5, 6, 7,
3104 8, 9, 10, 11, 12, 13, 14, 15,
3105 16, 17, 18, 19, 20, 21, 22, 23,
3106 24, 25, 26, 27, 28, 29, 30, 31,
3107 32, 33, 34, 35, 36, 37, 38, 39,
3108 40, 41, 42, 43, 44, 45, 46, 47,
3109 48, 49, 50, 51, 52, 53, 54, 55,
3110 56, 57, 58, 59, 60, 61, 62, 63,
3111 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3112 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3113 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3114 'x', 'y', 'z', 91, 92, 93, 94, 95,
3115 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3116 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3117 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3118 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3119 128, 129, 130, 131, 132, 133, 134, 135,
3120 136, 137, 138, 139, 140, 141, 142, 143,
3121 144, 145, 146, 147, 148, 149, 150, 151,
3122 152, 153, 154, 155, 156, 157, 158, 159,
3123 160, 161, 162, 163, 164, 165, 166, 167,
3124 168, 169, 170, 171, 172, 173, 174, 175,
3125 176, 177, 178, 179, 180, 181, 182, 183,
3126 184, 185, 186, 187, 188, 189, 190, 191,
3127 192, 193, 194, 195, 196, 197, 198, 199,
3128 200, 201, 202, 203, 204, 205, 206, 207,
3129 208, 209, 210, 211, 212, 213, 214, 215,
3130 216, 217, 218, 219, 220, 221, 222, 223,
3131 224, 225, 226, 227, 228, 229, 230, 231,
3132 232, 233, 234, 235, 236, 237, 238, 239,
3133 240, 241, 242, 243, 244, 245, 246, 247,
3134 248, 249, 250, 251, 252, 253, 254, 255
3135};
3136#else
22c35a8c 3137EXT unsigned char PL_fold_locale[];
79072805
LW		 3138#endif
3139
3140#ifdef DOINIT
9d116dd7 3141#ifdef EBCDIC
22c35a8c 3142EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3143 1, 2, 84, 151, 154, 155, 156, 157,
3144 165, 246, 250, 3, 158, 7, 18, 29,
3145 40, 51, 62, 73, 85, 96, 107, 118,
3146 129, 140, 147, 148, 149, 150, 152, 153,
3147 255, 6, 8, 9, 10, 11, 12, 13,
3148 14, 15, 24, 25, 26, 27, 28, 226,
3149 29, 30, 31, 32, 33, 43, 44, 45,
3150 46, 47, 48, 49, 50, 76, 77, 78,
3151 79, 80, 81, 82, 83, 84, 85, 86,
3152 87, 94, 95, 234, 181, 233, 187, 190,
3153 180, 96, 97, 98, 99, 100, 101, 102,
3154 104, 112, 182, 174, 236, 232, 229, 103,
3155 228, 226, 114, 115, 116, 117, 118, 119,
3156 120, 121, 122, 235, 176, 230, 194, 162,
3157 130, 131, 132, 133, 134, 135, 136, 137,
3158 138, 139, 201, 205, 163, 217, 220, 224,
3159 5, 248, 227, 244, 242, 255, 241, 231,
3160 240, 253, 16, 197, 19, 20, 21, 187,
3161 23, 169, 210, 245, 237, 249, 247, 239,
3162 168, 252, 34, 196, 36, 37, 38, 39,
3163 41, 42, 251, 254, 238, 223, 221, 213,
3164 225, 177, 52, 53, 54, 55, 56, 57,
3165 58, 59, 60, 61, 63, 64, 65, 66,
3166 67, 68, 69, 70, 71, 72, 74, 75,
3167 205, 208, 186, 202, 200, 218, 198, 179,
3168 178, 214, 88, 89, 90, 91, 92, 93,
3169 217, 166, 170, 207, 199, 209, 206, 204,
3170 160, 212, 105, 106, 108, 109, 110, 111,
3171 203, 113, 216, 215, 192, 175, 193, 243,
3172 172, 161, 123, 124, 125, 126, 127, 128,
3173 222, 219, 211, 195, 188, 193, 185, 184,
3174 191, 183, 141, 142, 143, 144, 145, 146
3175};
3176#else /* ascii rather than ebcdic */
22c35a8c 3177EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3178 1, 2, 84, 151, 154, 155, 156, 157,
3179 165, 246, 250, 3, 158, 7, 18, 29,
3180 40, 51, 62, 73, 85, 96, 107, 118,
3181 129, 140, 147, 148, 149, 150, 152, 153,
3182 255, 182, 224, 205, 174, 176, 180, 217,
3183 233, 232, 236, 187, 235, 228, 234, 226,
3184 222, 219, 211, 195, 188, 193, 185, 184,
3185 191, 183, 201, 229, 181, 220, 194, 162,
3186 163, 208, 186, 202, 200, 218, 198, 179,
3187 178, 214, 166, 170, 207, 199, 209, 206,
3188 204, 160, 212, 216, 215, 192, 175, 173,
3189 243, 172, 161, 190, 203, 189, 164, 230,
3190 167, 248, 227, 244, 242, 255, 241, 231,
3191 240, 253, 169, 210, 245, 237, 249, 247,
3192 239, 168, 252, 251, 254, 238, 223, 221,
3193 213, 225, 177, 197, 171, 196, 159, 4,
3194 5, 6, 8, 9, 10, 11, 12, 13,
3195 14, 15, 16, 17, 19, 20, 21, 22,
3196 23, 24, 25, 26, 27, 28, 30, 31,
3197 32, 33, 34, 35, 36, 37, 38, 39,
3198 41, 42, 43, 44, 45, 46, 47, 48,
3199 49, 50, 52, 53, 54, 55, 56, 57,
3200 58, 59, 60, 61, 63, 64, 65, 66,
3201 67, 68, 69, 70, 71, 72, 74, 75,
3202 76, 77, 78, 79, 80, 81, 82, 83,
3203 86, 87, 88, 89, 90, 91, 92, 93,
3204 94, 95, 97, 98, 99, 100, 101, 102,
3205 103, 104, 105, 106, 108, 109, 110, 111,
3206 112, 113, 114, 115, 116, 117, 119, 120,
3207 121, 122, 123, 124, 125, 126, 127, 128,
3208 130, 131, 132, 133, 134, 135, 136, 137,
3209 138, 139, 141, 142, 143, 144, 145, 146
3210};
9d116dd7 3211#endif
79072805 3212#else
22c35a8c 3213EXTCONST unsigned char PL_freq[];
79072805
LW		 3214#endif
3215
8990e307
LW		 3216#ifdef DEBUGGING
3217#ifdef DOINIT
22c35a8c 3218EXTCONST char* PL_block_type[] = {
8990e307
LW		 3219 "NULL",
3220 "SUB",
3221 "EVAL",
3222 "LOOP",
3223 "SUBST",
3224 "BLOCK",
3225};
3226#else
22c35a8c 3227EXTCONST char* PL_block_type[];
8990e307
LW		 3228#endif
3229#endif
3230
73c4f7a1
GS		 3231END_EXTERN_C
3232
79072805
LW		 3233/*****************************************************************************/
3234/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3235/*****************************************************************************/
8990e307 3236/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3237
a0d0e21e
LW		 3238#include "perly.h"
3239
fb73857a 3240#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3241
79072805
LW		 3242typedef enum {
3243 XOPERATOR,
3244 XTERM,
79072805 3245 XREF,
8990e307 3246 XSTATE,
a0d0e21e 3247 XBLOCK,
09bef843
SB		 3248 XATTRBLOCK,
3249 XATTRTERM,
6f33ba73
RGS		 3250 XTERMBLOCK,
3251 XTERMORDORDOR /* evil hack */
27308ded 3252 /* update exp_name[] in toke.c if adding to this enum */
79072805
LW		 3253} expectation;
3254
dc9e4912
GS		 3255enum { /* pass one of these to get_vtbl */
3256 want_vtbl_sv,
3257 want_vtbl_env,
3258 want_vtbl_envelem,
3259 want_vtbl_sig,
3260 want_vtbl_sigelem,
3261 want_vtbl_pack,
3262 want_vtbl_packelem,
3263 want_vtbl_dbline,
3264 want_vtbl_isa,
3265 want_vtbl_isaelem,
3266 want_vtbl_arylen,
3267 want_vtbl_glob,
3268 want_vtbl_mglob,
3269 want_vtbl_nkeys,
3270 want_vtbl_taint,
3271 want_vtbl_substr,
3272 want_vtbl_vec,
3273 want_vtbl_pos,
3274 want_vtbl_bm,
3275 want_vtbl_fm,
3276 want_vtbl_uvar,
3277 want_vtbl_defelem,
3278 want_vtbl_regexp,
3279 want_vtbl_collxfrm,
3280 want_vtbl_amagic,
3281 want_vtbl_amagicelem,
dc9e4912 3282 want_vtbl_regdata,
810b8aa5 3283 want_vtbl_regdatum,
7e8c5dac
HS		 3284 want_vtbl_backref,
3285 want_vtbl_utf8
dc9e4912
GS		 3286};
3287
85e6fe83
LW		 3288 /* Note: the lowest 8 bits are reserved for
3289 stuffing into op->op_private */
f3aa04c2 3290#define HINT_PRIVATE_MASK 0x000000ff
9cfe5470
RGS		 3291#define HINT_INTEGER 0x00000001 /* integer pragma */
3292#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3293#define HINT_LOCALE 0x00000004 /* locale pragma */
3294#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3295/* #define HINT_notused10 0x00000010 */
a0ed51b3 3296 /* Note: 20,40,80 used for NATIVE_HINTS */
9cfe5470 3297 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3298
3299#define HINT_BLOCK_SCOPE 0x00000100
9cfe5470
RGS		 3300#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3301#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3302
9cfe5470 3303/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3304#define HINT_NEW_INTEGER 0x00001000
3305#define HINT_NEW_FLOAT 0x00002000
3306#define HINT_NEW_BINARY 0x00004000
3307#define HINT_NEW_STRING 0x00008000
3308#define HINT_NEW_RE 0x00010000
3309#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3310
9cfe5470
RGS		 3311#define HINT_RE_TAINT 0x00100000 /* re pragma */
3312#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3313
9cfe5470
RGS		 3314#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3315#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3316
8fa7688f 3317/* assertions pragma */
06492da6 3318#define HINT_ASSERTING 0x01000000
8fa7688f 3319#define HINT_ASSERTIONSSEEN 0x02000000
06492da6 3320
9cfe5470 3321/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3322#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3323#define HINT_SORT_QUICKSORT 0x00000001
3324#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3325#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3326
8bfdd7d9 3327/* Various states of the input record separator SV (rs) */
d4cce5f1 3328#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3329#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3330#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3331#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3332
128e8167 3333/* A struct for keeping various DEBUGGING related stuff,
ce333219 3334 * neatly packed. Currently only scratch variables for
128e8167
JH		 3335 * constructing debug output are included. Needed always,
3336 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3337struct perl_debug_pad {
3338 SV pad[3];
3339};
3340
3341#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3342#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3343
56953603 3344/* Enable variables which are pointers to functions */
a2efc822 3345typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3346typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3347typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3348 char* strend, char* strbeg, I32 minend,
3349 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3350typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3351 char *strpos, char *strend,
3352 U32 flags,
3353 struct re_scream_pos_data_s *d);
3354typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3355typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3356
c76ac1ee 3357typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3358typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3359typedef void (*SVFUNC_t) (pTHX_ SV*);
3360typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3361typedef void (*XSINIT_t) (pTHX);
3362typedef void (*ATEXIT_t) (pTHX_ void*);
3363typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3364
22239a37
NIS		 3365/* Set up PERLVAR macros for populating structs */
3366#define PERLVAR(var,type) type var;
51371543 3367#define PERLVARA(var,n,type) type var[n];
22239a37 3368#define PERLVARI(var,type,init) type var;
3fe35a81 3369#define PERLVARIC(var,type,init) type var;
22239a37 3370
58a50f62
GS		 3371/* Interpreter exitlist entry */
3372typedef struct exitlistentry {
acfe0abc 3373 void (*fn) (pTHX_ void*);
58a50f62
GS		 3374 void *ptr;
3375} PerlExitListEntry;
3376
22239a37
NIS		 3377#ifdef PERL_GLOBAL_STRUCT
3378struct perl_vars {
7766f137 3379# include "perlvars.h"
22239a37
NIS		 3380};
3381
7766f137 3382# ifdef PERL_CORE
533c011a
NIS		 3383EXT struct perl_vars PL_Vars;
3384EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3385# else /* PERL_CORE */
3386# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3387EXT
7766f137 3388# endif /* WIN32 */
533c011a 3389struct perl_vars *PL_VarsPtr;
7766f137
GS		 3390# define PL_Vars (*((PL_VarsPtr) \
3391 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3392# endif /* PERL_CORE */
22239a37
NIS		 3393#endif /* PERL_GLOBAL_STRUCT */
3394
acfe0abc 3395#if defined(MULTIPLICITY)
d460ef45 3396/* If we have multiple interpreters define a struct
d4cce5f1 3397 holding variables which must be per-interpreter
d460ef45 3398 If we don't have threads anything that would have
d4cce5f1
NIS		 3399 be per-thread is per-interpreter.
3400*/
3401
79072805 3402struct interpreter {
3db8f154 3403# include "thrdvar.h"
7766f137
GS		 3404# include "intrpvar.h"
3405/*
3406 * The following is a buffer where new variables must
acfe0abc 3407 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3408 */
3409PERLVARA(object_compatibility,30, char)
49f531da 3410};
d4cce5f1 3411
79072805 3412#else
49f531da
NIS		 3413struct interpreter {
3414 char broiled;
3415};
acfe0abc 3416#endif /* MULTIPLICITY */
79072805 3417
22fae026 3418typedef void *Thread;
22239a37
NIS		 3419
3420/* Done with PERLVAR macros for now ... */
d4cce5f1 3421#undef PERLVAR
51371543 3422#undef PERLVARA
d4cce5f1 3423#undef PERLVARI
3fe35a81 3424#undef PERLVARIC
79072805 3425
49704364
WL		 3426/* Types used by pack/unpack */
3427typedef enum {
3428 e_no_len, /* no length */
3429 e_number, /* number, [] */
3430 e_star /* asterisk */
3431} howlen_t;
3432
3433typedef struct {
3434 char* patptr; /* current template char */
3435 char* patend; /* one after last char */
3436 char* grpbeg; /* 1st char of ()-group */
3437 char* grpend; /* end of ()-group */
3438 I32 code; /* template code (!) */
3439 I32 length; /* length/repeat count */
3440 howlen_t howlen; /* how length is given */
3441 int level; /* () nesting level */
3442 U32 flags; /* /=4, comma=2, pack=1 */
3443} tempsym_t;
3444
22239a37 3445#include "thread.h"
79072805 3446#include "pp.h"
864dbfa3
GS		 3447
3448#ifndef PERL_CALLCONV
3449# define PERL_CALLCONV
d460ef45 3450#endif
864dbfa3 3451
65f19062
GS		 3452#ifndef NEXT30_NO_ATTRIBUTE
3453# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3454# ifdef __attribute__ /* Avoid possible redefinition errors */
3455# undef __attribute__
3456# endif
3457# define __attribute__(attr)
3458# endif
3459#endif
3460
0cb96387
GS		 3461#undef PERL_CKDEF
3462#undef PERL_PPDEF
3463#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3464#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3465
7766f137 3466#include "proto.h"
864dbfa3 3467
0cb96387 3468/* this has structure inits, so it cannot be included before here */
acfe0abc 3469#include "opcode.h"
864dbfa3 3470
d4cce5f1
NIS		 3471/* The following must follow proto.h as #defines mess up syntax */
3472
22c35a8c
GS		 3473#if !defined(PERL_FOR_X2P)
3474# include "embedvar.h"
3475#endif
d4cce5f1 3476
d460ef45 3477/* Now include all the 'global' variables
d4cce5f1 3478 * If we don't have threads or multiple interpreters
d460ef45 3479 * these include variables that would have been their struct-s
d4cce5f1 3480 */
d460ef45 3481
533c011a 3482#define PERLVAR(var,type) EXT type PL_##var;
51371543 3483#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3484#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3485#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3486
acfe0abc 3487#if !defined(MULTIPLICITY)
7766f137 3488START_EXTERN_C
066ef5b5 3489# include "intrpvar.h"
3db8f154 3490# include "thrdvar.h"
7766f137 3491END_EXTERN_C
22239a37
NIS		 3492#endif
3493
acfe0abc 3494#if defined(WIN32)
66a93824 3495/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3496# include "embed.h"
acfe0abc 3497#endif
22239a37 3498
c5be433b
GS		 3499#ifndef PERL_GLOBAL_STRUCT
3500START_EXTERN_C
3501
3502# include "perlvars.h"
3503
3504END_EXTERN_C
3505#endif
3506
d4cce5f1 3507#undef PERLVAR
51371543 3508#undef PERLVARA
d4cce5f1 3509#undef PERLVARI
0f3f18a6 3510#undef PERLVARIC
79072805 3511
73c4f7a1
GS		 3512START_EXTERN_C
3513
79072805 3514#ifdef DOINIT
bbce6d69 3515
68795e93 3516EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3517 MEMBER_TO_FPTR(Perl_magic_set),
3518 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3519 0, 0};
2b260de0
GS		 3520EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3521 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3522 0};
2b260de0
GS		 3523EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3524 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3525 0};
22c35a8c 3526EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3527#ifdef PERL_MICRO
3528EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3529#else
2b260de0
GS		 3530EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3531 MEMBER_TO_FPTR(Perl_magic_setsig),
3532 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3533 0};
64ca3a65 3534#endif
68795e93
NIS		 3535EXT MGVTBL PL_vtbl_pack = {0, 0,
3536 MEMBER_TO_FPTR(Perl_magic_sizepack),
3537 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3538 0};
2b260de0 3539EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3540 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3541 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3542 0};
2b260de0 3543EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3544 0, 0, 0};
2b260de0
GS		 3545EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3546 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3547 0};
2b260de0 3548EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3549 0, 0, 0};
2b260de0
GS		 3550EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3551 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3552 0, 0, 0};
2b260de0
GS		 3553EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3554 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3555 0, 0, 0};
2b260de0 3556EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3557 0, 0, 0};
2b260de0
GS		 3558EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3559 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3560 0, 0, 0};
68795e93
NIS		 3561EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3562 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3563 0, 0, 0};
68795e93
NIS		 3564EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3565 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3566 0, 0, 0};
2b260de0 3567EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3568 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3569 0, 0, 0};
2b260de0
GS		 3570EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3571 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3572 0, 0, 0};
2b260de0 3573EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3574 0, 0, 0};
2b260de0 3575EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3576 0, 0, 0};
2b260de0
GS		 3577EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3578 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3579 0, 0, 0};
68795e93
NIS		 3580EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3581 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3582 0, 0, 0};
a0d0e21e 3583
faf82a0b 3584EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3585EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3586EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3587 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3588
36477c24 3589#ifdef USE_LOCALE_COLLATE
22c35a8c 3590EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3591 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3592 0, 0, 0};
3593#endif
a0d0e21e 3594
2b260de0
GS		 3595EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3596 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3597EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3598 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3599
810b8aa5 3600EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3601 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3602
d460ef45
NIS		 3603EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3604 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3605
7e8c5dac
HS		 3606EXT MGVTBL PL_vtbl_utf8 = {0,
3607 MEMBER_TO_FPTR(Perl_magic_setutf8),
3608 0, 0, 0};
3609
bbce6d69 3610#else /* !DOINIT */
3611
22c35a8c
GS		 3612EXT MGVTBL PL_vtbl_sv;
3613EXT MGVTBL PL_vtbl_env;
3614EXT MGVTBL PL_vtbl_envelem;
3615EXT MGVTBL PL_vtbl_sig;
3616EXT MGVTBL PL_vtbl_sigelem;
3617EXT MGVTBL PL_vtbl_pack;
3618EXT MGVTBL PL_vtbl_packelem;
3619EXT MGVTBL PL_vtbl_dbline;
3620EXT MGVTBL PL_vtbl_isa;
3621EXT MGVTBL PL_vtbl_isaelem;
3622EXT MGVTBL PL_vtbl_arylen;
3623EXT MGVTBL PL_vtbl_glob;
3624EXT MGVTBL PL_vtbl_mglob;
3625EXT MGVTBL PL_vtbl_nkeys;
3626EXT MGVTBL PL_vtbl_taint;
3627EXT MGVTBL PL_vtbl_substr;
3628EXT MGVTBL PL_vtbl_vec;
3629EXT MGVTBL PL_vtbl_pos;
3630EXT MGVTBL PL_vtbl_bm;
3631EXT MGVTBL PL_vtbl_fm;
3632EXT MGVTBL PL_vtbl_uvar;
d460ef45 3633EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3634
22c35a8c
GS		 3635EXT MGVTBL PL_vtbl_defelem;
3636EXT MGVTBL PL_vtbl_regexp;
3637EXT MGVTBL PL_vtbl_regdata;
3638EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3639
36477c24 3640#ifdef USE_LOCALE_COLLATE
22c35a8c 3641EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3642#endif
a0d0e21e 3643
22c35a8c
GS		 3644EXT MGVTBL PL_vtbl_amagic;
3645EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3646
810b8aa5 3647EXT MGVTBL PL_vtbl_backref;
7e8c5dac 3648EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3649
bbce6d69 3650#endif /* !DOINIT */
85e6fe83 3651
f5284f61
IZ		 3652enum {
3653 fallback_amg, abs_amg,
3654 bool__amg, nomethod_amg,
3655 string_amg, numer_amg,
3656 add_amg, add_ass_amg,
3657 subtr_amg, subtr_ass_amg,
3658 mult_amg, mult_ass_amg,
3659 div_amg, div_ass_amg,
3660 modulo_amg, modulo_ass_amg,
3661 pow_amg, pow_ass_amg,
3662 lshift_amg, lshift_ass_amg,
3663 rshift_amg, rshift_ass_amg,
3664 band_amg, band_ass_amg,
3665 bor_amg, bor_ass_amg,
3666 bxor_amg, bxor_ass_amg,
3667 lt_amg, le_amg,
3668 gt_amg, ge_amg,
3669 eq_amg, ne_amg,
3670 ncmp_amg, scmp_amg,
3671 slt_amg, sle_amg,
3672 sgt_amg, sge_amg,
3673 seq_amg, sne_amg,
3674 not_amg, compl_amg,
3675 inc_amg, dec_amg,
3676 atan2_amg, cos_amg,
3677 sin_amg, exp_amg,
3678 log_amg, sqrt_amg,
3679 repeat_amg, repeat_ass_amg,
3680 concat_amg, concat_ass_amg,
3681 copy_amg, neg_amg,
3682 to_sv_amg, to_av_amg,
3683 to_hv_amg, to_gv_amg,
d460ef45 3684 to_cv_amg, iter_amg,
f216259d
IZ		 3685 int_amg, DESTROY_amg,
3686 max_amg_code
64a0062a 3687 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3688};
3689
3690#define NofAMmeth max_amg_code
89ffc314 3691#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3692
a0d0e21e 3693#ifdef DOINIT
22c35a8c 3694EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3695 /* Names kept in the symbol table. fallback => "()", the rest has
3696 "(" prepended. The only other place in perl which knows about
3697 this convention is AMG_id2name (used for debugging output and
3698 'nomethod' only), the only other place which has it hardwired is
3699 overload.pm. */
3700 "()", "(abs", /* "fallback" should be the first. */
3701 "(bool", "(nomethod",
3702 "(\"\"", "(0+",
3703 "(+", "(+=",
3704 "(-", "(-=",
3705 "(*", "(*=",
3706 "(/", "(/=",
3707 "(%", "(%=",
3708 "(**", "(**=",
3709 "(<<", "(<<=",
3710 "(>>", "(>>=",
3711 "(&", "(&=",
3712 "(|", "(|=",
3713 "(^", "(^=",
3714 "(<", "(<=",
3715 "(>", "(>=",
3716 "(==", "(!=",
3717 "(<=>", "(cmp",
3718 "(lt", "(le",
3719 "(gt", "(ge",
3720 "(eq", "(ne",
3721 "(!", "(~",
3722 "(++", "(--",
3723 "(atan2", "(cos",
3724 "(sin", "(exp",
3725 "(log", "(sqrt",
3726 "(x", "(x=",
3727 "(.", "(.=",
3728 "(=", "(neg",
3729 "(${}", "(@{}",
3730 "(%{}", "(*{}",
3731 "(&{}", "(<>",
f216259d 3732 "(int", "DESTROY",
a0d0e21e
LW		 3733};
3734#else
22c35a8c 3735EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3736#endif /* def INITAMAGIC */
3737
73c4f7a1
GS		 3738END_EXTERN_C
3739
a6006777 3740struct am_table {
eb160463 3741 U32 was_ok_sub;
a0d0e21e 3742 long was_ok_am;
a6006777 3743 U32 flags;
3744 CV* table[NofAMmeth];
a0d0e21e
LW		 3745 long fallback;
3746};
a6006777 3747struct am_table_short {
eb160463 3748 U32 was_ok_sub;
a6006777 3749 long was_ok_am;
3750 U32 flags;
3751};
a0d0e21e 3752typedef struct am_table AMT;
a6006777 3753typedef struct am_table_short AMTS;
a0d0e21e
LW		 3754
3755#define AMGfallNEVER 1
3756#define AMGfallNO 2
3757#define AMGfallYES 3
3758
a6006777 3759#define AMTf_AMAGIC 1
32251b26 3760#define AMTf_OVERLOADED 2
a6006777 3761#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3762#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3763#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3764#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3765#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3766#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3767
32251b26 3768#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3769
3770/*
3771 * some compilers like to redefine cos et alia as faster
3772 * (and less accurate?) versions called F_cos et cetera (Quidquid
3773 * latine dictum sit, altum viditur.) This trick collides with
3774 * the Perl overloading (amg). The following #defines fool both.
3775 */
3776
3777#ifdef _FASTMATH
3778# ifdef atan2
3779# define F_atan2_amg atan2_amg
3780# endif
3781# ifdef cos
3782# define F_cos_amg cos_amg
3783# endif
3784# ifdef exp
3785# define F_exp_amg exp_amg
3786# endif
3787# ifdef log
3788# define F_log_amg log_amg
3789# endif
3790# ifdef pow
3791# define F_pow_amg pow_amg
3792# endif
3793# ifdef sin
3794# define F_sin_amg sin_amg
3795# endif
3796# ifdef sqrt
3797# define F_sqrt_amg sqrt_amg
3798# endif
3799#endif /* _FASTMATH */
3800
83ee9e09
GS		 3801#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3802 PERLDBf_NOOPT | PERLDBf_INTER | \
3803 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
06492da6
SF		 3804 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON )
3805 /* No _NONAME, _GOTO, _ASSERTION */
83ee9e09
GS		 3806#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3807#define PERLDBf_LINE 0x02 /* Keep line # */
3808#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3809#define PERLDBf_INTER 0x08 /* Preserve more data for
3810 later inspections */
3811#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3812#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3813#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3814#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3815#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3816#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
06492da6 3817#define PERLDBf_ASSERTION 0x400 /* Debug assertion subs enter/exit */
84902520 3818
3280af22
NIS		 3819#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3820#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3821#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3822#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3823#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3824#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3825#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3826#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3827#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3828#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
06492da6 3829#define PERLDB_ASSERTION (PL_perldb && (PL_perldb & PERLDBf_ASSERTION))
bbce6d69 3830
36477c24 3831#ifdef USE_LOCALE_NUMERIC
bbce6d69 3832
36477c24 3833#define SET_NUMERIC_STANDARD() \
ff4fed7c 3834 set_numeric_standard();
36477c24 3835
3836#define SET_NUMERIC_LOCAL() \
ff4fed7c 3837 set_numeric_local();
bbce6d69 3838
2de3dbcc
JH		 3839#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3840#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3841
3842#define IN_LOCALE \
3843 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3844
f93f4e46 3845#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3846 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3847 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3848
3849#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3850 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3851 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3852
3853#define RESTORE_NUMERIC_LOCAL() \
3854 if (was_local) SET_NUMERIC_LOCAL();
3855
3856#define RESTORE_NUMERIC_STANDARD() \
3857 if (was_standard) SET_NUMERIC_STANDARD();
3858
5b877257 3859#define Atof my_atof
097ee67d 3860
36477c24 3861#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3862
097ee67d
JH		 3863#define SET_NUMERIC_STANDARD() /**/
3864#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3865#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3866#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3867#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3868#define RESTORE_NUMERIC_LOCAL() /**/
3869#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3870#define Atof my_atof
ad3e0f90 3871#define IN_LOCALE_RUNTIME 0
bbce6d69 3872
36477c24 3873#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3874
079290de 3875#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3876# ifdef __hpux
3877# define strtoll __strtoll /* secret handshake */
3878# endif
c623ac67
GS		 3879# ifdef WIN64
3880# define strtoll _strtoi64 /* secret handshake */
3881# endif
079290de
GS		 3882# if !defined(Strtol) && defined(HAS_STRTOLL)
3883# define Strtol strtoll
ad551343 3884# endif
28e5dec8
JH		 3885# if !defined(Strtol) && defined(HAS_STRTOQ)
3886# define Strtol strtoq
3887# endif
ff935051 3888/* is there atoq() anywhere? */
15b99d39 3889#endif
079290de
GS		 3890#if !defined(Strtol) && defined(HAS_STRTOL)
3891# define Strtol strtol
3892#endif
3893#ifndef Atol
3894/* It would be more fashionable to use Strtol() to define atol()
3895 * (as is done for Atoul(), see below) but for backward compatibility
3896 * we just assume atol(). */
76b882ba 3897# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3898# ifdef WIN64
3899# define atoll _atoi64 /* secret handshake */
3900# endif
76b882ba
JH		 3901# define Atol atoll
3902# else
3903# define Atol atol
3904# endif
cf2093f6
JH		 3905#endif
3906
55eb892c 3907#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3908# ifdef __hpux
3909# define strtoull __strtoull /* secret handshake */
3910# endif
c623ac67
GS		 3911# ifdef WIN64
3912# define strtoull _strtoui64 /* secret handshake */
3913# endif
ad551343 3914# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3915# define Strtoul strtoull
15b99d39 3916# endif
079290de
GS		 3917# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3918# define Strtoul strtouq
3919# endif
76d49b1c 3920/* is there atouq() anywhere? */
ad551343 3921#endif
079290de
GS		 3922#if !defined(Strtoul) && defined(HAS_STRTOUL)
3923# define Strtoul strtoul
cf2093f6 3924#endif
079290de
GS		 3925#ifndef Atoul
3926# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3927#endif
cf2093f6 3928
760ac839 3929
06d86050
GS		 3930/* if these never got defined, they need defaults */
3931#ifndef PERL_SET_CONTEXT
3932# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3933#endif
3934
3935#ifndef PERL_GET_CONTEXT
3936# define PERL_GET_CONTEXT PERL_GET_INTERP
3937#endif
3938
3939#ifndef PERL_GET_THX
3940# define PERL_GET_THX ((void*)NULL)
3941#endif
3942
3943#ifndef PERL_SET_THX
3944# define PERL_SET_THX(t) NOOP
3945#endif
3946
a868473f
NIS		 3947#ifndef PERL_SCRIPT_MODE
3948#define PERL_SCRIPT_MODE "r"
3949#endif
3950
fba3b22e 3951/*
da927450
JH		 3952 * Some operating systems are stingy with stack allocation,
3953 * so perl may have to guard against stack overflow.
3954 */
3955#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3956#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3957#endif
3958
3959/*
3960 * Some nonpreemptive operating systems find it convenient to
3961 * check for asynchronous conditions after each op execution.
3962 * Keep this check simple, or it may slow down execution
3963 * massively.
3964 */
ce08f86c 3965
1d615522 3966#ifndef PERL_MICRO
4ffa73a3
JH		 3967# ifndef PERL_ASYNC_CHECK
3968# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3969# endif
ce08f86c
NIS		 3970#endif
3971
da927450 3972#ifndef PERL_ASYNC_CHECK
1d615522 3973# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3974#endif
3975
3976/*
3977 * On some operating systems, a memory allocation may succeed,
3978 * but put the process too close to the system's comfort limit.
3979 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3980 * it to NULL.
3981 */
3982#ifndef PERL_ALLOC_CHECK
c2af87cb 3983#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3984#endif
3985
3986/*
fba3b22e
MB		 3987 * nice_chunk and nice_chunk size need to be set
3988 * and queried under the protection of sv_mutex
3989 */
30ad99e7
MJD		 3990#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3991 void *new_chunk; \
3992 U32 new_chunk_size; \
3993 LOCK_SV_MUTEX; \
3994 new_chunk = (void *)(chunk); \
3995 new_chunk_size = (chunk_size); \
3996 if (new_chunk_size > PL_nice_chunk_size) { \
3997 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3998 PL_nice_chunk = new_chunk; \
3999 PL_nice_chunk_size = new_chunk_size; \
4000 } else { \
4001 Safefree(chunk); \
4002 } \
4003 UNLOCK_SV_MUTEX; \
4004 } STMT_END
fba3b22e 4005
bd89102f
AD		 4006#ifdef HAS_SEM
4007# include <sys/ipc.h>
4008# include <sys/sem.h>
4009# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4010 union semun {
dbba660d
TC		 4011 int val;
4012 struct semid_ds *buf;
4013 unsigned short *array;
bd89102f
AD		 4014 };
4015# endif
4016# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4017# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4018 union gccbug_semun {
4019 int val;
4020 struct semid_ds *buf;
4021 unsigned short *array;
4022 char __dummy[5];
4023 };
4024# define semun gccbug_semun
4025# endif
bd89102f
AD		 4026# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4027# else
4028# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4029# ifdef EXTRA_F_IN_SEMUN_BUF
4030# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4031# else
4032# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4033# endif
bd89102f
AD		 4034# endif
4035# endif
bd89102f 4036#endif
49f531da 4037
89ca4ac7
JH		 4038/*
4039 * Boilerplate macros for initializing and accessing interpreter-local
4040 * data from C. All statics in extensions should be reworked to use
4041 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4042 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4043 *
4044 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4045 * 1. #define MY_CXT_KEY to a unique string, e.g.
4046 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4047 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4048 * all the data that needs to be interpreter-local.
4049 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4050 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4051 * (typically put in the BOOT: section).
4052 * 5. Use the members of the my_cxt_t structure everywhere as
4053 * MY_CXT.member.
4054 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4055 * access MY_CXT.
4056 */
4057
fc958cd2 4058#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4059
4060/* This must appear in all extensions that define a my_cxt_t structure,
4061 * right after the definition (i.e. at file scope). The non-threads
4062 * case below uses it to declare the data as static. */
4063#define START_MY_CXT
4064
4065/* Fetches the SV that keeps the per-interpreter data. */
4066#define dMY_CXT_SV \
4067 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4068 sizeof(MY_CXT_KEY)-1, TRUE)
4069
4070/* This declaration should be used within all functions that use the
4071 * interpreter-local data. */
4072#define dMY_CXT \
4073 dMY_CXT_SV; \
ec0e15e0 4074 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4075
4076/* Creates and zeroes the per-interpreter data.
4077 * (We allocate my_cxtp in a Perl SV so that it will be released when
4078 * the interpreter goes away.) */
4079#define MY_CXT_INIT \
4080 dMY_CXT_SV; \
4081 /* newSV() allocates one more than needed */ \
4082 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4083 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4084 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4085
4086/* This macro must be used to access members of the my_cxt_t structure.
4087 * e.g. MYCXT.some_data */
4088#define MY_CXT (*my_cxtp)
4089
4090/* Judicious use of these macros can reduce the number of times dMY_CXT
4091 * is used. Use is similar to pTHX, aTHX etc. */
4092#define pMY_CXT my_cxt_t *my_cxtp
4093#define pMY_CXT_ pMY_CXT,
4094#define _pMY_CXT ,pMY_CXT
4095#define aMY_CXT my_cxtp
4096#define aMY_CXT_ aMY_CXT,
4097#define _aMY_CXT ,aMY_CXT
4098
4099#else /* USE_ITHREADS */
4100
4101#define START_MY_CXT static my_cxt_t my_cxt;
4102#define dMY_CXT_SV dNOOP
4103#define dMY_CXT dNOOP
4104#define MY_CXT_INIT NOOP
4105#define MY_CXT my_cxt
4106
4107#define pMY_CXT void
4108#define pMY_CXT_
4109#define _pMY_CXT
4110#define aMY_CXT
4111#define aMY_CXT_
4112#define _aMY_CXT
4113
4114#endif /* !defined(USE_ITHREADS) */
4115
9a34ef1d
GS		 4116#ifdef I_FCNTL
4117# include <fcntl.h>
9a34ef1d
GS		 4118#endif
4119
4120#ifdef I_SYS_FILE
4121# include <sys/file.h>
4122#endif
4123
fa0a29af 4124#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4125int flock(int fd, int op);
4126#endif
4127
fe52b3b7
GS		 4128#ifndef O_RDONLY
4129/* Assume UNIX defaults */
4130# define O_RDONLY 0000
4131# define O_WRONLY 0001
4132# define O_RDWR 0002
4133# define O_CREAT 0100
4134#endif
9a34ef1d 4135
16fe6d59
GS		 4136#ifndef O_BINARY
4137# define O_BINARY 0
4138#endif
4139
4140#ifndef O_TEXT
4141# define O_TEXT 0
4142#endif
4143
6ce75a77
JH		 4144#if O_TEXT != O_BINARY
4145 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4146 * that is, you are somehow DOSish. */
538204d5 4147# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4148 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4149 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4150 /* VOS has O_TEXT != O_BINARY, and they have effect,
4151 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4152 /* If you have O_TEXT different from your O_BINARY but you still are
4153 * not a CRLF shop. */
35990314 4154# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4155# else
4156 /* If you really are DOSish. */
4157# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4158# endif
4159#endif
4160
104d25b7
JH		 4161#ifdef IAMSUID
4162
4163#ifdef I_SYS_STATVFS
9f982a77
IG		 4164# if defined(PERL_SCO) && !defined(_SVID3)
4165# define _SVID3
4166# endif
32b3cf08
JH		 4167# include <sys/statvfs.h> /* for f?statvfs() */
4168#endif
4169#ifdef I_SYS_MOUNT
4170# include <sys/mount.h> /* for *BSD f?statfs() */
4171#endif
4172#ifdef I_MNTENT
4173# include <mntent.h> /* for getmntent() */
104d25b7 4174#endif
0545a864
JH		 4175#ifdef I_SYS_STATFS
4176# include <sys/statfs.h> /* for some statfs() */
4177#endif
4178#ifdef I_SYS_VFS
8d9e1a19
GS		 4179# ifdef __sgi
4180# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4181# endif
4182# include <sys/vfs.h> /* for some statfs() */
4183# ifdef __sgi
4184# undef IRIX_sv
4185# endif
0545a864
JH		 4186#endif
4187#ifdef I_USTAT
4188# include <ustat.h> /* for ustat() */
4189#endif
4190
4191#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4192# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4193#endif
4194#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4195# define PERL_MOUNT_NOSUID MNT_NOSUID
4196#endif
4197#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4198# define PERL_MOUNT_NOSUID MS_NOSUID
4199#endif
4200#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4201# define PERL_MOUNT_NOSUID M_NOSUID
4202#endif
104d25b7
JH		 4203
4204#endif /* IAMSUID */
4205
4bc88a62
PS		 4206#ifdef I_LIBUTIL
4207# include <libutil.h> /* setproctitle() in some FreeBSDs */
4208#endif
4209
b4748376
NIS		 4210#ifndef EXEC_ARGV_CAST
4211#define EXEC_ARGV_CAST(x) x
4212#endif
4213
dd5dc04f
JH		 4214#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4215 int). value returned in pointed-
4216 to UV */
4217#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4218#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4219#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4220#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4221#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4222
4223#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4224
53305cf1
NC		 4225/* Input flags: */
4226#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4227#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
94dd8549 4228#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4229/* Output flags: */
4230#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4231
2c4f7f0e
DM		 4232/* to let user control profiling */
4233#ifdef PERL_GPROF_CONTROL
4234extern void moncontrol(int);
4235#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4236#else
4237#define PERL_GPROF_MONCONTROL(x)
4238#endif
4239
ae0e3d3b
JH		 4240#ifdef UNDER_CE
4241#include "wince.h"
4242#endif
4243
4244/* ISO 6429 NEL - C1 control NExt Line */
4245/* See http://www.unicode.org/unicode/reports/tr13/ */
4246#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4247# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4248# define NEXT_LINE_CHAR 0x15
4249# else /* CDRA */
4250# define NEXT_LINE_CHAR 0x25
4251# endif
4252#else
4253# define NEXT_LINE_CHAR 0x85
4254#endif
4255
4256/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4257#define UNICODE_LINE_SEPA_0 0xE2
4258#define UNICODE_LINE_SEPA_1 0x80
4259#define UNICODE_LINE_SEPA_2 0xA8
4260#define UNICODE_PARA_SEPA_0 0xE2
4261#define UNICODE_PARA_SEPA_1 0x80
4262#define UNICODE_PARA_SEPA_2 0xA9
4263
479b2847
GS		 4264#ifndef PIPESOCK_MODE
4265# define PIPESOCK_MODE
4266#endif
4267
7e8c5dac
HS		 4268#define PERL_MAGIC_UTF8_CACHESIZE 2
4269
a05d7ebb
JH		 4270#define PERL_UNICODE_STDIN_FLAG 0x0001
4271#define PERL_UNICODE_STDOUT_FLAG 0x0002
4272#define PERL_UNICODE_STDERR_FLAG 0x0004
a05d7ebb
JH		 4273#define PERL_UNICODE_IN_FLAG 0x0008
4274#define PERL_UNICODE_OUT_FLAG 0x0010
06e66572 4275#define PERL_UNICODE_ARGV_FLAG 0x0020
a05d7ebb
JH		 4276#define PERL_UNICODE_LOCALE_FLAG 0x0040
4277#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4278
06e66572
JH		 4279#define PERL_UNICODE_STD_FLAG \
4280 (PERL_UNICODE_STDIN_FLAG | \
4281 PERL_UNICODE_STDOUT_FLAG | \
4282 PERL_UNICODE_STDERR_FLAG)
4283
4284#define PERL_UNICODE_INOUT_FLAG \
4285 (PERL_UNICODE_IN_FLAG | \
4286 PERL_UNICODE_OUT_FLAG)
4287
4288#define PERL_UNICODE_DEFAULT_FLAGS \
a05d7ebb
JH		 4289 (PERL_UNICODE_STD_FLAG | \
4290 PERL_UNICODE_INOUT_FLAG | \
4291 PERL_UNICODE_LOCALE_FLAG)
4292
4293#define PERL_UNICODE_ALL_FLAGS 0x00ff
4294
4295#define PERL_UNICODE_STDIN 'I'
4296#define PERL_UNICODE_STDOUT 'O'
4297#define PERL_UNICODE_STDERR 'E'
4298#define PERL_UNICODE_STD 'S'
4299#define PERL_UNICODE_IN 'i'
4300#define PERL_UNICODE_OUT 'o'
4301#define PERL_UNICODE_INOUT 'D'
4302#define PERL_UNICODE_ARGV 'A'
4303#define PERL_UNICODE_LOCALE 'L'
4304#define PERL_UNICODE_WIDESYSCALLS 'W'
4305
4ffa73a3
JH		 4306#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4307
16bd9a85
JH		 4308/* From sigaction(2) (FreeBSD man page):
4309 * | Signal routines normally execute with the signal that
4310 * | caused their invocation blocked, but other signals may
4311 * | yet occur.
4312 * Emulation of this behavior (from within Perl) is enabled
4313 * by defining PERL_BLOCK_SIGNALS.
4314 */
4315#define PERL_BLOCK_SIGNALS
4316
4317#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4318# define PERL_BLOCKSIG_ADD(set,sig) \
4319 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4320# define PERL_BLOCKSIG_BLOCK(set) \
4321 sigprocmask(SIG_BLOCK, &(set), NULL)
4322# define PERL_BLOCKSIG_UNBLOCK(set) \
4323 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4324#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4325
4326/* How about the old style of sigblock()? */
4327
4328#ifndef PERL_BLOCKSIG_ADD
4329# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4330#endif
4331#ifndef PERL_BLOCKSIG_BLOCK
4332# define PERL_BLOCKSIG_BLOCK(set) NOOP
4333#endif
2bfba5f0 4334#ifndef PERL_BLOCKSIG_UNBLOCK
16bd9a85
JH		 4335# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4336#endif
4337
32fdb065 4338/* Use instead of abs() since abs() forces its argument to be an int,
56c380de 4339 * but also beware since this evaluates its argument twice, so no x++. */
32fdb065
JH		 4340#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4341
4d8076ea 4342/* and finally... */
cceca5ed 4343#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4344#include "patchlevel.h"
cceca5ed 4345#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4346
43999f95 4347/* Mention
d460ef45 4348
43999f95 4349 NV_PRESERVES_UV
fe749a9f 4350
fe749a9f
JH		 4351 HAS_MKSTEMP
4352 HAS_MKSTEMPS
4353 HAS_MKDTEMP
4354
49dabb45
JH		 4355 HAS_GETCWD
4356
d59b5429 4357 HAS_MMAP
fe749a9f
JH		 4358 HAS_MPROTECT
4359 HAS_MSYNC
1e8c3fde 4360 HAS_MADVISE
fe749a9f
JH		 4361 HAS_MUNMAP
4362 I_SYSMMAN
4363 Mmap_t
4364
6b4667fc
A		 4365 NVef
4366 NVff
4367 NVgf
4368
4e0554ec 4369 HAS_UALARM
2d736872 4370 HAS_USLEEP
4e0554ec
JH		 4371
4372 HAS_SETITIMER
4373 HAS_GETITIMER
4374
4375 HAS_SENDMSG
4376 HAS_RECVMSG
4377 HAS_READV
4378 HAS_WRITEV
4379 I_SYSUIO
4380 HAS_STRUCT_MSGHDR
4381 HAS_STRUCT_CMSGHDR
4382
2765b840 4383 HAS_NL_LANGINFO
0a7020c9 4384
ae0e3d3b 4385 HAS_DIRFD
2765b840 4386
43999f95
JH		 4387 so that Configure picks them up. */
4388
85e6fe83 4389#endif /* Include guard */
ae0e3d3b 4390
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