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a0d0e21e 1/* perl.h
a687059c 2 *
e6906430
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
aaacdc8b
GS		 40#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
41# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
42#endif
43
2c2d71f5
JH		 44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
ac6bedea
JH		 47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
ba979b31
NIS		 51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
6916a0ab
NIS		 55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 57# endif
58#endif
59
6f4183fe 60#ifdef USE_ITHREADS
acfe0abc 61# if !defined(MULTIPLICITY)
6f4183fe
GS		 62# define MULTIPLICITY
63# endif
64#endif
65
4d1ff10f 66#ifdef USE_5005THREADS
c5be433b
GS		 67# ifndef PERL_IMPLICIT_CONTEXT
68# define PERL_IMPLICIT_CONTEXT
69# endif
c5be433b
GS		 70#endif
71
c5be433b
GS		 72#if defined(MULTIPLICITY)
73# ifndef PERL_IMPLICIT_CONTEXT
74# define PERL_IMPLICIT_CONTEXT
75# endif
c5be433b
GS		 76#endif
77
026fd48b
GH		 78/* undef WIN32 when building on Cygwin (for libwin32) - gph */
79#ifdef __CYGWIN__
80# undef WIN32
81# undef _WIN32
82#endif
83
10bc17b6
JH		 84/* Use the reentrant APIs like localtime_r and getpwent_r */
85/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
6bf46c2a 86#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
10bc17b6
JH		 87# define USE_REENTRANT_API
88#endif
89
ac6bedea
JH		 90/* <--- here ends the logic shared by perl.h and makedef.pl */
91
7865c879 92/*
6bf46c2a
JH		 93 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
94 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
7865c879
JH		 95 * __bsdi__ for BSD/OS
96 */
6bf46c2a 97#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
7865c879
JH		 98# ifndef BSDish
99# define BSDish
100# endif
101#endif
102
c5be433b 103#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 104# ifdef USE_5005THREADS
c5be433b 105struct perl_thread;
24e8e624 106# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 107# define aTHX thr
411caa50 108# define dTHR dNOOP /* only backward compatibility */
fd89de3a 109# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 110# else
f63b9778
GS		 111# ifndef MULTIPLICITY
112# define MULTIPLICITY
113# endif
24e8e624 114# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 115# define aTHX my_perl
fd89de3a 116# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 117# endif
fd89de3a 118# define dTHX pTHX = PERL_GET_THX
c5be433b 119# define pTHX_ pTHX,
c5be433b 120# define aTHX_ aTHX,
894356b3
GS		 121# define pTHX_1 2
122# define pTHX_2 3
123# define pTHX_3 4
124# define pTHX_4 5
c5be433b
GS		 125#endif
126
76e3520e
GS		 127#define STATIC static
128#define CPERLscope(x) x
565764a8 129#define CPERLarg void
76e3520e 130#define CPERLarg_
e3b8966e 131#define _CPERLarg
1d583055
GS		 132#define PERL_OBJECT_THIS
133#define _PERL_OBJECT_THIS
134#define PERL_OBJECT_THIS_
312caa8e 135#define CALL_FPTR(fptr) (*fptr)
76e3520e 136
312caa8e
CS		 137#define CALLRUNOPS CALL_FPTR(PL_runops)
138#define CALLREGCOMP CALL_FPTR(PL_regcompp)
139#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 140#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
141#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
142#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 143
144#ifdef PERL_FLEXIBLE_EXCEPTIONS
145# define CALLPROTECT CALL_FPTR(PL_protect)
146#endif
312caa8e 147
44dbb695 148#ifdef HASATTRIBUTE
3da75212
MB		 149# if defined(__GNUC__) && defined(__cplusplus)
150# define PERL_UNUSED_DECL
151# else
152# define PERL_UNUSED_DECL __attribute__((unused))
153# endif
44dbb695
JH		 154#else
155# define PERL_UNUSED_DECL
156#endif
157
349b520e
DM		 158/* gcc -Wall:
159 * for silencing unused variables that are actually used most of the time,
160 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
161 */
162#define PERL_UNUSED_VAR(var) if (0) var = var
163
0cb96387 164#define NOOP (void)0
44dbb695 165#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 166
0cb96387
GS		 167#ifndef pTHX
168# define pTHX void
169# define pTHX_
0cb96387
GS		 170# define aTHX
171# define aTHX_
0cb96387
GS		 172# define dTHXa(a) dNOOP
173# define dTHX dNOOP
894356b3
GS		 174# define pTHX_1 1
175# define pTHX_2 2
176# define pTHX_3 3
177# define pTHX_4 4
0cb96387
GS		 178#endif
179
b4f7f263
GS		 180/* these are only defined for compatibility; should not be used internally */
181#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 182# define pTHXo pTHX
183# define pTHXo_ pTHX_
0cb96387
GS		 184# define aTHXo aTHX
185# define aTHXo_ aTHX_
c5be433b 186# define dTHXo dTHX
71d280e3 187# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 188#endif
189
190#ifndef pTHXx
191# define pTHXx register PerlInterpreter *my_perl
192# define pTHXx_ pTHXx,
0cb96387
GS		 193# define aTHXx my_perl
194# define aTHXx_ aTHXx,
c5be433b 195# define dTHXx dTHX
22c35a8c 196#endif
71be2cbc 197
1de7c2ac
GS		 198/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
199 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
200 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
201#ifdef PERL_IMPLICIT_SYS
202# define dTHXs dTHX
203#else
204# define dTHXs dNOOP
205#endif
206
326b05e3
GS		 207#undef START_EXTERN_C
208#undef END_EXTERN_C
209#undef EXTERN_C
32f822de
GS		 210#ifdef __cplusplus
211# define START_EXTERN_C extern "C" {
212# define END_EXTERN_C }
213# define EXTERN_C extern "C"
214#else
d460ef45
NIS		 215# define START_EXTERN_C
216# define END_EXTERN_C
73c4f7a1 217# define EXTERN_C extern
32f822de
GS		 218#endif
219
462e5cf6
MB		 220#ifdef OP_IN_REGISTER
221# ifdef __GNUC__
222# define stringify_immed(s) #s
223# define stringify(s) stringify_immed(s)
d1ca3daa 224register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 225# endif
226#endif
227
653fb8f3
JH		 228#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
229# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
230#endif
231
728e2803 232/*
233 * STMT_START { statements; } STMT_END;
234 * can be used as a single statement, as in
235 * if (x) STMT_START { ... } STMT_END; else ...
236 *
237 * Trying to select a version that gives no warnings...
238 */
239#if !(defined(STMT_START) && defined(STMT_END))
653fb8f3 240# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
728e2803 241# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
242# define STMT_END )
243# else
244 /* Now which other defined()s do we need here ??? */
5b7ea690 245# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
728e2803 246# define STMT_START if (1)
247# define STMT_END else (void)0
248# else
249# define STMT_START do
250# define STMT_END while (0)
251# endif
252# endif
253#endif
254
0cb96387 255#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 256#define WITH_THR(s) WITH_THX(s)
ea0efc06 257
55497cff 258/*
259 * SOFT_CAST can be used for args to prototyped functions to retain some
260 * type checking; it only casts if the compiler does not know prototypes.
261 */
262#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
263#define SOFT_CAST(type)
264#else
265#define SOFT_CAST(type) (type)
266#endif
79072805 267
6ee623d5 268#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 269# define BYTEORDER 0x1234
270#endif
271
272/* Overall memory policy? */
273#ifndef CONSERVATIVE
274# define LIBERAL 1
275#endif
276
8ada0baa
JH		 277#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
278#define ASCIIish
279#else
280#undef ASCIIish
281#endif
282
79072805
LW		 283/*
284 * The following contortions are brought to you on behalf of all the
285 * standards, semi-standards, de facto standards, not-so-de-facto standards
286 * of the world, as well as all the other botches anyone ever thought of.
287 * The basic theory is that if we work hard enough here, the rest of the
288 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
289 */
ac58e20f 290
ee0007ab 291/* define this once if either system, instead of cluttering up the src */
2986a63f 292#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 293#define DOSISH 1
294#endif
295
2986a63f 296#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 297# define STANDARD_C 1
298#endif
299
74563541 300#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
68dc0745 301# define DONT_DECLARE_STD 1
302#endif
303
352d5a3a 304#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 305# ifdef __cplusplus
cb69f87a 306# define VOL /* to temporarily suppress warnings */
79072805
LW		 307# else
308# define VOL volatile
309# endif
663a0e37 310#else
79072805 311# define VOL
663a0e37
LW		 312#endif
313
3280af22
NIS		 314#define TAINT (PL_tainted = TRUE)
315#define TAINT_NOT (PL_tainted = FALSE)
316#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
317#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 318#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 319
d460ef45 320/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 321 defines move there? If so, I could simplify this a lot. --AD 9/96.
322*/
323/* Process group stuff changed from traditional BSD to POSIX.
324 perlfunc.pod documents the traditional BSD-style syntax, so we'll
325 try to preserve that, if possible.
326*/
327#ifdef HAS_SETPGID
328# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 329#else
a6e633de 330# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
331# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
332# else
333# ifdef HAS_SETPGRP2 /* DG/UX */
334# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
335# endif
336# endif
337#endif
338#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
339# define HAS_SETPGRP /* Well, effectively it does . . . */
340#endif
341
342/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
343 our life easier :-) so we'll try it.
344*/
345#ifdef HAS_GETPGID
346# define BSD_GETPGRP(pid) getpgid((pid))
347#else
348# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
349# define BSD_GETPGRP(pid) getpgrp((pid))
350# else
351# ifdef HAS_GETPGRP2 /* DG/UX */
352# define BSD_GETPGRP(pid) getpgrp2((pid))
353# endif
354# endif
355#endif
356#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
357# define HAS_GETPGRP /* Well, effectively it does . . . */
358#endif
359
d460ef45 360/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 361 have different behaviors, but perl.h used to define USE_BSDPGRP
362 (prior to 5.003_05) so some extension might depend on it.
363*/
364#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
365# ifndef USE_BSDPGRP
366# define USE_BSDPGRP
367# endif
663a0e37
LW		 368#endif
369
8ac5a1fe
MH		 370/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
371 pthread.h must be included before all other header files.
372*/
4d1ff10f 373#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 374 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 375# include <pthread.h>
376#endif
377
760ac839
LW		 378#ifndef _TYPES_ /* If types.h defines this it's easy. */
379# ifndef major /* Does everyone's types.h define this? */
380# include <sys/types.h>
c07a80fd 381# endif
663a0e37
LW		 382#endif
383
760ac839
LW		 384#ifdef __cplusplus
385# ifndef I_STDARG
386# define I_STDARG 1
387# endif
388#endif
389
390#ifdef I_STDARG
391# include <stdarg.h>
392#else
393# ifdef I_VARARGS
394# include <varargs.h>
395# endif
396#endif
397
4633a7c4 398#ifdef USE_NEXT_CTYPE
0c30d9ec 399
092bebab
JH		 400#if NX_CURRENT_COMPILER_RELEASE >= 500
401# include <bsd/ctypes.h>
402#else
403# if NX_CURRENT_COMPILER_RELEASE >= 400
404# include <objc/NXCType.h>
405# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
406# include <appkit/NXCType.h>
407# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
408#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 409
410#else /* !USE_NEXT_CTYPE */
fe14fcc3 411#include <ctype.h>
0c30d9ec 412#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 413
414#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
415#undef METHOD
a0d0e21e
LW		 416#endif
417
12ae5dfc
JH		 418#ifdef PERL_MICRO
419# define NO_LOCALE
420#endif
421
4633a7c4 422#ifdef I_LOCALE
36477c24 423# include <locale.h>
4633a7c4
LW		 424#endif
425
36477c24 426#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
427# define USE_LOCALE
428# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
429 && defined(HAS_STRXFRM)
430# define USE_LOCALE_COLLATE
431# endif
432# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
433# define USE_LOCALE_CTYPE
434# endif
435# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
436# define USE_LOCALE_NUMERIC
437# endif
438#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 439
fe14fcc3 440#include <setjmp.h>
79072805 441
a0d0e21e 442#ifdef I_SYS_PARAM
79072805
LW		 443# ifdef PARAM_NEEDS_TYPES
444# include <sys/types.h>
445# endif
446# include <sys/param.h>
352d5a3a 447#endif
79072805 448
79072805 449/* Use all the "standard" definitions? */
a0d0e21e 450#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 451# include <stdlib.h>
ff68c719 452#endif
03a14243 453
3f270f98
JH		 454/* If this causes problems, set i_unistd=undef in the hint file. */
455#ifdef I_UNISTD
456# include <unistd.h>
457#endif
458
7114a2d2 459#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 460int syscall(int, ...);
461#endif
462
7114a2d2 463#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 464int usleep(unsigned int);
2ef53570
JH		 465#endif
466
9a34ef1d
GS		 467#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
468# define MYSWAP
469#endif
470
66a93824
NIS		 471/* Cannot include embed.h here on Win32 as win32.h has not
472 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
473 */
96e176bf 474#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 475# include "embed.h"
476#endif
477
c31fac66
GS		 478#define MEM_SIZE Size_t
479
51371543
GS		 480#if defined(STANDARD_C) && defined(I_STDDEF)
481# include <stddef.h>
482# define STRUCT_OFFSET(s,m) offsetof(s,m)
483#else
484# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
485#endif
486
487#if defined(I_STRING) || defined(__cplusplus)
488# include <string.h>
489#else
490# include <strings.h>
491#endif
492
55497cff 493/* This comes after <stdlib.h> so we don't try to change the standard
494 * library prototypes; we'll use our own in proto.h instead. */
03a14243 495
4633a7c4 496#ifdef MYMALLOC
86058a2d 497# ifdef PERL_POLLUTE_MALLOC
ee13e175 498# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 499# define Perl_malloc malloc
500# define Perl_calloc calloc
501# define Perl_realloc realloc
502# define Perl_mfree free
ee13e175 503# endif
86058a2d
GS		 504# else
505# define EMBEDMYMALLOC /* for compatibility */
506# endif
827e134a 507
651b9576
GS		 508# define safemalloc Perl_malloc
509# define safecalloc Perl_calloc
510# define saferealloc Perl_realloc
511# define safefree Perl_mfree
26776375
JH		 512# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
513 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
514 code; \
515 } STMT_END
516# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
517 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
518# define panic_write2(s) write(2, s, strlen(s))
519# define CHECK_MALLOC_TAINT(newval) \
520 CHECK_MALLOC_TOO_LATE_FOR_( \
521 if (newval) { \
522 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
523 exit(1); })
26776375 524# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
2adc3af3 525 if (doing_taint(argc,argv,env)) { \
26776375
JH		 526 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
527 }} STMT_END;
f2517201
GS		 528#else /* MYMALLOC */
529# define safemalloc safesysmalloc
530# define safecalloc safesyscalloc
531# define saferealloc safesysrealloc
532# define safefree safesysfree
26776375
JH		 533# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
534# define CHECK_MALLOC_TAINT(newval) ((void)0)
535# define MALLOC_CHECK_TAINT(argc,argv,env)
55497cff 536#endif /* MYMALLOC */
4633a7c4 537
26776375
JH		 538#define TOO_LATE_FOR_(ch,s) Perl_croak(aTHX_ "Too late for \"-%c\" option%s", (char)(ch), s)
539#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
540#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
541#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
542
a0d0e21e
LW		 543#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
544#define strchr index
545#define strrchr rindex
546#endif
547
16d20bd9
AD		 548#ifdef I_MEMORY
549# include <memory.h>
550#endif
551
fe14fcc3 552#ifdef HAS_MEMCPY
85e6fe83 553# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 554# ifndef memcpy
20ce7b12 555 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 556# endif
557# endif
558#else
559# ifndef memcpy
560# ifdef HAS_BCOPY
561# define memcpy(d,s,l) bcopy(s,d,l)
562# else
563# define memcpy(d,s,l) my_bcopy(s,d,l)
564# endif
565# endif
566#endif /* HAS_MEMCPY */
fe14fcc3 567
ee0007ab 568#ifdef HAS_MEMSET
85e6fe83 569# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 570# ifndef memset
20ce7b12 571 extern char *memset (char*, int, int);
ee0007ab
LW		 572# endif
573# endif
ee0007ab 574#else
12ae5dfc 575# undef memset
fc36a67e 576# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 577#endif /* HAS_MEMSET */
578
85e6fe83 579#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 580# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 581# define memmove(d,s,l) bcopy(s,d,l)
582# else
2304df62 583# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 584# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 585# else
79072805 586# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 587# endif
352d5a3a 588# endif
d9d8d8de 589#endif
ee0007ab 590
36477c24 591#if defined(mips) && defined(ultrix) && !defined(__STDC__)
592# undef HAS_MEMCMP
593#endif
594
595#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 596# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 597# ifndef memcmp
20ce7b12 598 extern int memcmp (char*, char*, int);
ee0007ab
LW		 599# endif
600# endif
36477c24 601# ifdef BUGGY_MSC
602 # pragma function(memcmp)
603# endif
ee0007ab
LW		 604#else
605# ifndef memcmp
ecfc5424 606# define memcmp my_memcmp
352d5a3a 607# endif
36477c24 608#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 609
fc36a67e 610#ifndef memzero
c635e13b 611# ifdef HAS_MEMSET
612# define memzero(d,l) memset(d,0,l)
79072805 613# else
c635e13b 614# ifdef HAS_BZERO
615# define memzero(d,l) bzero(d,l)
79072805 616# else
fc36a67e 617# define memzero(d,l) my_bzero(d,l)
79072805
LW		 618# endif
619# endif
d9d8d8de 620#endif
378cc40b 621
75a5c1c6 622#ifndef PERL_MICRO
0f27ced1
JH		 623#ifndef memchr
624# ifndef HAS_MEMCHR
625# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
626# endif
627#endif
75a5c1c6 628#endif
0f27ced1 629
36477c24 630#ifndef HAS_BCMP
631# ifndef bcmp
632# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 633# endif
36477c24 634#endif /* !HAS_BCMP */
378cc40b 635
ae986130 636#ifdef I_NETINET_IN
79072805 637# include <netinet/in.h>
ae986130
LW		 638#endif
639
28e8609d
JH		 640#ifdef I_ARPA_INET
641# include <arpa/inet.h>
642#endif
643
84902520
TB		 644#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
645/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
646 * (the neo-BSD seem to do this). */
647# undef SF_APPEND
648#endif
649
1aef975c 650#ifdef I_SYS_STAT
84902520 651# include <sys/stat.h>
1aef975c 652#endif
79072805 653
a0d0e21e
LW		 654/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
655 like UTekV) are broken, sometimes giving false positives. Undefine
656 them here and let the code below set them to proper values.
657
658 The ghs macro stands for GreenHills Software C-1.8.5 which
659 is the C compiler for sysV88 and the various derivatives.
660 This header file bug is corrected in gcc-2.5.8 and later versions.
661 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
662
663#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 664# undef S_ISDIR
665# undef S_ISCHR
666# undef S_ISBLK
667# undef S_ISREG
668# undef S_ISFIFO
669# undef S_ISLNK
ee0007ab 670#endif
135863df 671
663a0e37
LW		 672#ifdef I_TIME
673# include <time.h>
ffed7fef 674#endif
663a0e37 675
fe14fcc3 676#ifdef I_SYS_TIME
85e6fe83 677# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 678# define KERNEL
679# endif
680# include <sys/time.h>
85e6fe83 681# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 682# undef KERNEL
683# endif
a687059c 684#endif
135863df 685
55497cff 686#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 687# include <sys/times.h>
d9d8d8de 688#endif
8d063cd8 689
fe14fcc3 690#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 691# undef HAS_STRERROR
663a0e37
LW		 692#endif
693
694#include <errno.h>
1e743fda 695
acfe0abc 696#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 697# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
698#endif
699
7b24b0b0
JH		 700/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
701 * This is important for using IPv6.
702 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
703 * a bad idea since it breaks send() and recv(). */
704#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
705# define _SOCKADDR_LEN
706#endif
707
8d3f517a 708#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 709# include <sys/socket.h>
710# if defined(USE_SOCKS) && defined(I_SOCKS)
711# if !defined(INCLUDE_PROTOTYPES)
712# define INCLUDE_PROTOTYPES /* for <socks.h> */
713# define PERL_SOCKS_NEED_PROTOTYPES
714# endif
4d1ff10f 715# ifdef USE_5005THREADS
c3dedce1 716# define PERL_USE_THREADS /* store our value */
4d1ff10f 717# undef USE_5005THREADS
c3dedce1 718# endif
1e743fda 719# include <socks.h>
4d1ff10f
AB		 720# ifdef USE_5005THREADS
721# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 722# endif
723# ifdef PERL_USE_THREADS
4d1ff10f 724# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 725# undef PERL_USE_THREADS
726# endif
1e743fda
JH		 727# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
728# undef INCLUDE_PROTOTYPES
729# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 730# endif
d460ef45 731# endif
1e743fda 732# ifdef I_NETDB
2986a63f
JH		 733# ifdef NETWARE
734# include<stdio.h>
735# endif
1e743fda
JH		 736# include <netdb.h>
737# endif
738# ifndef ENOTSOCK
739# ifdef I_NET_ERRNO
740# include <net/errno.h>
741# endif
742# endif
743#endif
744
fa0a29af 745/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 746 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 747#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 748int sockatmark(int);
749#endif
750
1e743fda
JH		 751#ifdef SETERRNO
752# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 753#endif
f86702cc 754
755#ifdef VMS
756# define SETERRNO(errcode,vmserrcode) \
757 STMT_START { \
758 set_errno(errcode); \
759 set_vaxc_errno(vmserrcode); \
760 } STMT_END
5b7ea690
JH		 761# define LIB_INVARG LIB$_INVARG
762# define RMS_DIR RMS$_DIR
763# define RMS_FAC RMS$_FAC
764# define RMS_FEX RMS$_FEX
765# define RMS_FNF RMS$_FNF
766# define RMS_IFI RMS$_IFI
767# define RMS_ISI RMS$_ISI
768# define RMS_PRV RMS$_PRV
769# define SS_ACCVIO SS$_ACCVIO
770# define SS_DEVOFFLINE SS$_DEVOFFLINE
771# define SS_IVCHAN SS$_IVCHAN
772# define SS_NORMAL SS$_NORMAL
748a9306 773#else
aba27d88 774# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
5b7ea690
JH		 775# define LIB_INVARG 0
776# define RMS_DIR 0
777# define RMS_FAC 0
778# define RMS_FEX 0
779# define RMS_FNF 0
780# define RMS_IFI 0
781# define RMS_ISI 0
782# define RMS_PRV 0
783# define SS_ACCVIO 0
784# define SS_DEVOFFLINE 0
785# define SS_IVCHAN 0
786# define SS_NORMAL 0
748a9306 787#endif
ed6116ce 788
4d1ff10f 789#ifdef USE_5005THREADS
38a03e6e 790# define ERRSV (thr->errsv)
940cb80d
MB		 791# define DEFSV THREADSV(0)
792# define SAVE_DEFSV save_threadsv(0)
38a03e6e 793#else
3280af22 794# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 795# define DEFSV GvSV(PL_defgv)
796# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 797#endif /* USE_5005THREADS */
38a03e6e 798
98eae8f5
GS		 799#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
800
55497cff 801#ifndef errno
5ff3f7a4
GS		 802 extern int errno; /* ANSI allows errno to be an lvalue expr.
803 * For example in multithreaded environments
804 * something like this might happen:
805 * extern int *_errno(void);
806 * #define errno (*_errno()) */
d9d8d8de 807#endif
663a0e37 808
2304df62 809#ifdef HAS_STRERROR
a0d0e21e 810# ifdef VMS
20ce7b12 811 char *strerror (int,...);
a0d0e21e 812# else
68dc0745 813#ifndef DONT_DECLARE_STD
20ce7b12 814 char *strerror (int);
68dc0745 815#endif
a0d0e21e 816# endif
2304df62
AD		 817# ifndef Strerror
818# define Strerror strerror
819# endif
820#else
821# ifdef HAS_SYS_ERRLIST
79072805
LW		 822 extern int sys_nerr;
823 extern char *sys_errlist[];
2304df62
AD		 824# ifndef Strerror
825# define Strerror(e) \
79072805 826 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 827# endif
79072805 828# endif
35c8bce7 829#endif
663a0e37 830
2304df62 831#ifdef I_SYS_IOCTL
79072805
LW		 832# ifndef _IOCTL_
833# include <sys/ioctl.h>
834# endif
a687059c
LW		 835#endif
836
ee0007ab 837#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 838# ifdef HAS_SOCKETPAIR
839# undef HAS_SOCKETPAIR
840# endif
2304df62
AD		 841# ifdef I_NDBM
842# undef I_NDBM
79072805 843# endif
a687059c
LW		 844#endif
845
02fc2eee
NC		 846#ifndef HAS_SOCKETPAIR
847# ifdef HAS_SOCKET
848# define socketpair Perl_my_socketpair
849# endif
850#endif
851
a687059c 852#if INTSIZE == 2
79072805
LW		 853# define htoni htons
854# define ntohi ntohs
a687059c 855#else
79072805
LW		 856# define htoni htonl
857# define ntohi ntohl
a687059c
LW		 858#endif
859
a0d0e21e 860/* Configure already sets Direntry_t */
35c8bce7 861#if defined(I_DIRENT)
663a0e37 862# include <dirent.h>
8f1f23e8
W		 863 /* NeXT needs dirent + sys/dir.h */
864# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 865# include <sys/dir.h>
866# endif
ae986130 867#else
fe14fcc3 868# ifdef I_SYS_NDIR
79a0689e 869# include <sys/ndir.h>
663a0e37 870# else
fe14fcc3 871# ifdef I_SYS_DIR
79a0689e
LW		 872# ifdef hp9000s500
873# include <ndir.h> /* may be wrong in the future */
874# else
875# include <sys/dir.h>
876# endif
663a0e37
LW		 877# endif
878# endif
4633a7c4 879#endif
a687059c 880
12ae5dfc
JH		 881#ifdef PERL_MICRO
882# ifndef DIR
883# define DIR void
884# endif
885#endif
886
352d5a3a
LW		 887#ifdef FPUTS_BOTCH
888/* work around botch in SunOS 4.0.1 and 4.0.2 */
889# ifndef fputs
79072805 890# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 891# endif
892#endif
893
c623bd54
LW		 894/*
895 * The following gobbledygook brought to you on behalf of __STDC__.
896 * (I could just use #ifndef __STDC__, but this is more bulletproof
897 * in the face of half-implementations.)
898 */
899
7114a2d2 900#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 901#include <sys/mode.h>
902#endif
903
c623bd54
LW		 904#ifndef S_IFMT
905# ifdef _S_IFMT
906# define S_IFMT _S_IFMT
907# else
908# define S_IFMT 0170000
909# endif
910#endif
911
912#ifndef S_ISDIR
913# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
914#endif
915
916#ifndef S_ISCHR
917# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
918#endif
919
920#ifndef S_ISBLK
fe14fcc3
LW		 921# ifdef S_IFBLK
922# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
923# else
924# define S_ISBLK(m) (0)
925# endif
c623bd54
LW		 926#endif
927
928#ifndef S_ISREG
929# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
930#endif
931
932#ifndef S_ISFIFO
fe14fcc3
LW		 933# ifdef S_IFIFO
934# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
935# else
936# define S_ISFIFO(m) (0)
937# endif
c623bd54
LW		 938#endif
939
940#ifndef S_ISLNK
941# ifdef _S_ISLNK
942# define S_ISLNK(m) _S_ISLNK(m)
943# else
944# ifdef _S_IFLNK
945# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
946# else
947# ifdef S_IFLNK
948# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
949# else
950# define S_ISLNK(m) (0)
951# endif
952# endif
953# endif
954#endif
955
956#ifndef S_ISSOCK
957# ifdef _S_ISSOCK
958# define S_ISSOCK(m) _S_ISSOCK(m)
959# else
960# ifdef _S_IFSOCK
961# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
962# else
963# ifdef S_IFSOCK
964# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
965# else
966# define S_ISSOCK(m) (0)
967# endif
968# endif
969# endif
970#endif
971
972#ifndef S_IRUSR
973# ifdef S_IREAD
974# define S_IRUSR S_IREAD
975# define S_IWUSR S_IWRITE
976# define S_IXUSR S_IEXEC
977# else
978# define S_IRUSR 0400
979# define S_IWUSR 0200
980# define S_IXUSR 0100
981# endif
fac7cdfc
JS		 982#endif
983
984#ifndef S_IRGRP
985# ifdef S_IRUSR
986# define S_IRGRP (S_IRUSR>>3)
987# define S_IWGRP (S_IWUSR>>3)
988# define S_IXGRP (S_IXUSR>>3)
989# else
990# define S_IRGRP 0040
991# define S_IWGRP 0020
992# define S_IXGRP 0010
993# endif
994#endif
995
996#ifndef S_IROTH
997# ifdef S_IRUSR
998# define S_IROTH (S_IRUSR>>6)
999# define S_IWOTH (S_IWUSR>>6)
1000# define S_IXOTH (S_IXUSR>>6)
1001# else
1002# define S_IROTH 0040
1003# define S_IWOTH 0020
1004# define S_IXOTH 0010
1005# endif
c623bd54
LW		 1006#endif
1007
1008#ifndef S_ISUID
1009# define S_ISUID 04000
1010#endif
1011
1012#ifndef S_ISGID
1013# define S_ISGID 02000
1014#endif
1015
ca6e1c26
JH		 1016#ifndef S_IRWXU
1017# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 1018#endif
ca6e1c26
JH		 1019
1020#ifndef S_IRWXG
1021# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 1022#endif
ca6e1c26
JH		 1023
1024#ifndef S_IRWXO
1025# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 1026#endif
ca6e1c26 1027
c21fb2b8
JH		 1028/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1029 * which would get included through <sys/file.h >, but that is 3000
1030 * lines in the future. --jhi */
1031
1032#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 1033# define S_IREAD S_IRUSR
1034#endif
1035
c21fb2b8 1036#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 1037# define S_IWRITE S_IWUSR
1038#endif
1039
1040#ifndef S_IEXEC
1041# define S_IEXEC S_IXUSR
1042#endif
1043
79072805
LW		 1044#ifdef ff_next
1045# undef ff_next
352d5a3a
LW		 1046#endif
1047
a0d0e21e 1048#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 1049# define SLOPPYDIVIDE
1050#endif
1051
748a9306
LW		 1052#ifdef UV
1053#undef UV
1054#endif
1055
c89df6bf
JH		 1056#ifdef SPRINTF_E_BUG
1057# define sprintf UTS_sprintf_wrap
1058#endif
1059
c495e728
JH		 1060/* Configure gets this right but the UTS compiler gets it wrong.
1061 -- Hal Morris <hom00@utsglobal.com> */
1062#ifdef UTS
1063# undef UVTYPE
1064# define UVTYPE unsigned
1065#endif
1066
05f13f53 1067/*
27d4fb96 1068 The IV type is supposed to be long enough to hold any integral
1069 value or a pointer.
1070 --Andy Dougherty August 1996
1071*/
1072
a22e52b9
JH		 1073typedef IVTYPE IV;
1074typedef UVTYPE UV;
8175356b 1075
10cc9d2a 1076#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1077# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1078# define IV_MAX INT64_MAX
1079# define IV_MIN INT64_MIN
1080# define UV_MAX UINT64_MAX
cae7ae48
JH		 1081# ifndef UINT64_MIN
1082# define UINT64_MIN 0
1083# endif
5ff3f7a4
GS		 1084# define UV_MIN UINT64_MIN
1085# else
1086# define IV_MAX PERL_QUAD_MAX
1087# define IV_MIN PERL_QUAD_MIN
1088# define UV_MAX PERL_UQUAD_MAX
1089# define UV_MIN PERL_UQUAD_MIN
1090# endif
cf2093f6
JH		 1091# define IV_IS_QUAD
1092# define UV_IS_QUAD
79072805 1093#else
8175356b 1094# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1095# define IV_MAX INT32_MAX
1096# define IV_MIN INT32_MIN
716026f9
DL		 1097# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1098# define UV_MAX UINT32_MAX
1099# else
1100# define UV_MAX 4294967295U
1101# endif
cae7ae48
JH		 1102# ifndef UINT32_MIN
1103# define UINT32_MIN 0
1104# endif
5ff3f7a4
GS		 1105# define UV_MIN UINT32_MIN
1106# else
1107# define IV_MAX PERL_LONG_MAX
1108# define IV_MIN PERL_LONG_MIN
1109# define UV_MAX PERL_ULONG_MAX
1110# define UV_MIN PERL_ULONG_MIN
1111# endif
8175356b 1112# if IVSIZE == 8
cf2093f6
JH		 1113# define IV_IS_QUAD
1114# define UV_IS_QUAD
de1c2614
JH		 1115# ifndef HAS_QUAD
1116# define HAS_QUAD
1117# endif
cf2093f6
JH		 1118# else
1119# undef IV_IS_QUAD
1120# undef UV_IS_QUAD
de1c2614 1121# undef HAS_QUAD
cf2093f6 1122# endif
79072805 1123#endif
d7d93a81 1124
6cde8aec 1125#if defined(uts) || defined(UTS)
11afe549
HM		 1126# undef UV_MAX
1127# define UV_MAX (4294967295u)
20601011
JH		 1128#endif
1129
cae7ae48 1130#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1131#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1132
28e5dec8 1133#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1134#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1135#endif
1136
d460ef45 1137/*
26bb67e2
JH		 1138 * The macros INT2PTR and NUM2PTR are (despite their names)
1139 * bi-directional: they will convert int/float to or from pointers.
1140 * However the conversion to int/float are named explicitly:
1141 * PTR2IV, PTR2UV, PTR2NV.
1142 *
1143 * For int conversions we do not need two casts if pointers are
1144 * the same size as IV and UV. Otherwise we need an explicit
1145 * cast (PTRV) to avoid compiler warnings.
1146 */
56431972
RB		 1147#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1148# define PTRV UV
1149# define INT2PTR(any,d) (any)(d)
1150#else
d460ef45 1151# if PTRSIZE == LONGSIZE
56431972 1152# define PTRV unsigned long
42718184 1153# else
56431972 1154# define PTRV unsigned
42718184 1155# endif
56431972 1156# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1157#endif
56431972
RB		 1158#define NUM2PTR(any,d) (any)(PTRV)(d)
1159#define PTR2IV(p) INT2PTR(IV,p)
1160#define PTR2UV(p) INT2PTR(UV,p)
1161#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1162#if PTRSIZE == LONGSIZE
d2560b70
RB		 1163# define PTR2ul(p) (unsigned long)(p)
1164#else
1165# define PTR2ul(p) INT2PTR(unsigned long,p)
1166#endif
d460ef45 1167
65202027 1168#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1169# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1170# define LONG_DOUBLE_EQUALS_DOUBLE
1171# endif
68d4903c 1172# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1173# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1174# endif
1175#endif
1176
2d4389e4
JH		 1177#ifdef OVR_DBL_DIG
1178/* Use an overridden DBL_DIG */
1179# ifdef DBL_DIG
1180# undef DBL_DIG
1181# endif
1182# define DBL_DIG OVR_DBL_DIG
1183#else
1184/* The following is all to get DBL_DIG, in order to pick a nice
5b7ea690
JH		 1185 default value for printing floating point numbers in Gconvert
1186 (see config.h). (It also has other uses, such as figuring out if
1187 a given precision of printing can be done with a double instead of
1188 a long double - Allen).
2d4389e4
JH		 1189*/
1190#ifdef I_LIMITS
1191#include <limits.h>
1192#endif
1193#ifdef I_FLOAT
1194#include <float.h>
1195#endif
1196#ifndef HAS_DBL_DIG
1197#define DBL_DIG 15 /* A guess that works lots of places */
1198#endif
1199#endif
cbca01e1
JH		 1200#ifdef I_FLOAT
1201#include <float.h>
1202#endif
1203#ifndef HAS_DBL_DIG
1204#define DBL_DIG 15 /* A guess that works lots of places */
1205#endif
2d4389e4
JH		 1206
1207#ifdef OVR_LDBL_DIG
1208/* Use an overridden LDBL_DIG */
1209# ifdef LDBL_DIG
1210# undef LDBL_DIG
1211# endif
1212# define LDBL_DIG OVR_LDBL_DIG
1213#else
1214/* The following is all to get LDBL_DIG, in order to pick a nice
1215 default value for printing floating point numbers in Gconvert.
1216 (see config.h)
1217*/
68d4903c
JH		 1218# ifdef I_LIMITS
1219# include <limits.h>
1220# endif
1221# ifdef I_FLOAT
1222# include <float.h>
1223# endif
1224# ifndef HAS_LDBL_DIG
1225# if LONG_DOUBLESIZE == 10
1226# define LDBL_DIG 18 /* assume IEEE */
1227# else
1228# if LONG_DOUBLESIZE == 12
1229# define LDBL_DIG 18 /* gcc? */
1230# else
1231# if LONG_DOUBLESIZE == 16
1232# define LDBL_DIG 33 /* assume IEEE */
1233# else
1234# if LONG_DOUBLESIZE == DOUBLESIZE
1235# define LDBL_DIG DBL_DIG /* bummer */
1236# endif
1237# endif
1238# endif
1239# endif
1240# endif
2d4389e4
JH		 1241#endif
1242
5b7ea690
JH		 1243/*
1244 * This is for making sure we have a good DBL_MAX value, if possible,
1245 * either for usage as NV_MAX or for usage in figuring out if we can
1246 * fit a given long double into a double, if bug-fixing makes it
1247 * necessary to do so. - Allen <allens@cpan.org>
1248 */
1249
1250#ifdef I_LIMITS
1251# include <limits.h>
1252#endif
1253
1254#ifdef I_VALUES
1255# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1256# include <values.h>
1257# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1258# define DBL_MAX MAXDOUBLE
1259# endif
1260# if defined(MINDOUBLE) && !defined(DBL_MIN)
1261# define DBL_MIN MINDOUBLE
1262# endif
1263# endif
1264#endif /* defined(I_VALUES) */
1265
a22e52b9 1266typedef NVTYPE NV;
8175356b 1267
792d8dab
JH		 1268#ifdef I_IEEEFP
1269# include <ieeefp.h>
1270#endif
923fc586 1271
65202027 1272#ifdef USE_LONG_DOUBLE
923fc586
JH		 1273# ifdef I_SUNMATH
1274# include <sunmath.h>
1275# endif
2d4389e4 1276# define NV_DIG LDBL_DIG
d6c14000
JH		 1277# ifdef LDBL_MANT_DIG
1278# define NV_MANT_DIG LDBL_MANT_DIG
1279# endif
06fc1729
JH		 1280# ifdef LDBL_MIN
1281# define NV_MIN LDBL_MIN
1282# endif
1283# ifdef LDBL_MAX
1284# define NV_MAX LDBL_MAX
1285# endif
1286# ifdef LDBL_MIN_10_EXP
1287# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1288# endif
1289# ifdef LDBL_MAX_10_EXP
1290# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1291# endif
1292# ifdef LDBL_EPSILON
1293# define NV_EPSILON LDBL_EPSILON
1294# endif
f4a14a62
JH		 1295# ifdef LDBL_MAX
1296# define NV_MAX LDBL_MAX
5b7ea690 1297/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
f4a14a62
JH		 1298# else
1299# ifdef HUGE_VALL
1300# define NV_MAX HUGE_VALL
1301# else
1302# ifdef HUGE_VAL
1303# define NV_MAX ((NV)HUGE_VAL)
1304# endif
1305# endif
1306# endif
68d4903c 1307# ifdef HAS_SQRTL
68d4903c
JH		 1308# define Perl_cos cosl
1309# define Perl_sin sinl
1310# define Perl_sqrt sqrtl
1311# define Perl_exp expl
1312# define Perl_log logl
1313# define Perl_atan2 atan2l
1314# define Perl_pow powl
1315# define Perl_floor floorl
1316# define Perl_fmod fmodl
1317# endif
a3540c92
JH		 1318/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1319# ifdef HAS_MODFL
1320# define Perl_modf(x,y) modfl(x,y)
5a29c6bc
JH		 1321/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1322 prototype in <math.h> */
1323# ifndef HAS_MODFL_PROTO
1324long double modfl(long double, long double *);
1325# endif
e82e08d5 1326# else
5a29c6bc
JH		 1327# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
1328 extern long double Perl_my_modfl(long double x, long double *ip);
1329# define Perl_modf(x,y) Perl_my_modfl(x,y)
1330# endif
a3540c92
JH		 1331# endif
1332# ifdef HAS_FREXPL
dff3e0b8 1333# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5 1334# else
5a29c6bc
JH		 1335# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1336 extern long double Perl_my_frexpl(long double x, int *e);
1337# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1338# endif
a3540c92 1339# endif
38dbb4c5 1340# ifndef Perl_isnan
758a5d79
JH		 1341# ifdef HAS_ISNANL
1342# define Perl_isnan(x) isnanl(x)
1343# endif
1344# endif
1345# ifndef Perl_isinf
1346# ifdef HAS_FINITEL
1347# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1348# endif
1349# endif
65202027 1350#else
2d4389e4 1351# define NV_DIG DBL_DIG
d6c14000
JH		 1352# ifdef DBL_MANT_DIG
1353# define NV_MANT_DIG DBL_MANT_DIG
1354# endif
06fc1729
JH		 1355# ifdef DBL_MIN
1356# define NV_MIN DBL_MIN
1357# endif
1358# ifdef DBL_MAX
1359# define NV_MAX DBL_MAX
1360# endif
1361# ifdef DBL_MIN_10_EXP
1362# define NV_MIN_10_EXP DBL_MIN_10_EXP
1363# endif
1364# ifdef DBL_MAX_10_EXP
1365# define NV_MAX_10_EXP DBL_MAX_10_EXP
1366# endif
1367# ifdef DBL_EPSILON
1368# define NV_EPSILON DBL_EPSILON
1369# endif
5b7ea690 1370# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
f4a14a62
JH		 1371# define NV_MAX DBL_MAX
1372# define NV_MIN DBL_MIN
1373# else
1374# ifdef HUGE_VAL
1375# define NV_MAX HUGE_VAL
1376# endif
1377# endif
65202027
DS		 1378# define Perl_cos cos
1379# define Perl_sin sin
1380# define Perl_sqrt sqrt
1381# define Perl_exp exp
1382# define Perl_log log
1383# define Perl_atan2 atan2
1384# define Perl_pow pow
1385# define Perl_floor floor
65202027 1386# define Perl_fmod fmod
a3540c92 1387# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1388# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1389#endif
1390
1391/* rumor has it that Win32 has _fpclass() */
1392
5b7ea690
JH		 1393/* SGI has fpclassl... but not with the same result values,
1394 * and it's via a typedef (not via #define), so will need to redo Configure
1395 * to use. Not worth the trouble, IMO, at least until the below is used
1396 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1397 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1398 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1399
758a5d79
JH		 1400#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1401# ifdef I_IEEFP
1402# include <ieeefp.h>
1403# endif
1404# ifdef I_FP
1405# include <fp.h>
1406# endif
1407# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1408# define Perl_fp_class() fpclassl(x)
1409# else
1410# define Perl_fp_class() fpclass(x)
1411# endif
1412# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1413# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1414# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1415# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1416# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1417# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1418# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1419# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1420# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1421# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1422# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1423# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1424# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1425# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1426# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1427#endif
1428
7114a2d2 1429#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1430# include <math.h>
1431# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1432# include <fp_class.h>
1433# endif
1434# define Perl_fp_class(x) fp_class(x)
1435# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1436# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1437# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1438# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1439# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1440# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1441# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1442# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1443# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1444# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1445# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1446# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1447# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1448# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1449# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1450#endif
1451
1452#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1453# include <math.h>
1454# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1455# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1456# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1457# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1458# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1459# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1460#endif
1461
1462#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1463# include <math.h>
1464# ifndef _cplusplus
1465# define Perl_fp_class(x) class(x)
1466# else
1467# define Perl_fp_class(x) _class(x)
1468# endif
1469# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1470# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1471# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1472# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1473# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1474# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1475# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1476# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1477# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1478# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1479# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1480# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1481# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1482# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1483# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1484#endif
1485
1486/* rumor has it that Win32 has _isnan() */
1487
1488#ifndef Perl_isnan
a3540c92 1489# ifdef HAS_ISNAN
758a5d79
JH		 1490# define Perl_isnan(x) isnan((NV)x)
1491# else
1492# ifdef Perl_fp_class_nan
1493# define Perl_isnan(x) Perl_fp_class_nan(x)
1494# else
1495# ifdef HAS_UNORDERED
1496# define Perl_isnan(x) unordered((x), 0.0)
1497# else
1498# define Perl_isnan(x) ((x)!=(x))
1499# endif
1500# endif
1501# endif
1502#endif
1503
ca6c63e1
JH		 1504#ifdef UNDER_CE
1505int isnan(double d);
1506#endif
1507
758a5d79
JH		 1508#ifndef Perl_isinf
1509# ifdef HAS_ISINF
1510# define Perl_isinf(x) isinf((NV)x)
a3540c92 1511# else
758a5d79
JH		 1512# ifdef Perl_fp_class_inf
1513# define Perl_isinf(x) Perl_fp_class_inf(x)
1514# else
1515# define Perl_isinf(x) ((x)==NV_INF)
1516# endif
1517# endif
1518#endif
1519
1520#ifndef Perl_isfinite
1521# ifdef HAS_FINITE
1522# define Perl_isfinite(x) finite((NV)x)
1523# else
1524# ifdef HAS_ISFINITE
1525# define Perl_isfinite(x) isfinite(x)
1526# else
1527# ifdef Perl_fp_class_finite
1528# define Perl_isfinite(x) Perl_fp_class_finite(x)
1529# else
1530# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1531# endif
1532# endif
a3540c92 1533# endif
65202027
DS		 1534#endif
1535
a36244b7
JH		 1536/* The default is to use Perl's own atof() implementation (in numeric.c).
1537 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1538 * it is however best to use the native implementation of atof.
1539 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1540 * Some good tests to try out with either setting are t/base/num.t,
5b7ea690
JH		 1541 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1542 * you may need to be using a different function than atof! */
a36244b7
JH		 1543
1544#ifndef USE_PERL_ATOF
1545# ifndef _UNICOS
1546# define USE_PERL_ATOF
1547# endif
1548#else
1549# if USE_PERL_ATOF == 0
1550# undef USE_PERL_ATOF
1551# endif
1552#endif
1553
1554#ifdef USE_PERL_ATOF
1555# define Perl_atof(s) Perl_my_atof(s)
1556# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1557#else
1558# define Perl_atof(s) (NV)atof(s)
1559# define Perl_atof2(s, n) ((n) = atof(s))
1560#endif
cf2093f6 1561
d460ef45 1562/* Previously these definitions used hardcoded figures.
760ac839
LW		 1563 * It is hoped these formula are more portable, although
1564 * no data one way or another is presently known to me.
1565 * The "PERL_" names are used because these calculated constants
1566 * do not meet the ANSI requirements for LONG_MAX, etc., which
1567 * need to be constants acceptable to #if - kja
1568 * define PERL_LONG_MAX 2147483647L
1569 * define PERL_LONG_MIN (-LONG_MAX - 1)
1570 * define PERL ULONG_MAX 4294967295L
1571 */
1572
1573#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1574# include <limits.h>
760ac839 1575#endif
5b7ea690
JH		 1576/* Included values.h above if necessary; still including limits.h down here,
1577 * despite doing above, because math.h might have overriden... XXX - Allen */
760ac839 1578
99abf803 1579/*
1580 * Try to figure out max and min values for the integral types. THE CORRECT
1581 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1582 * following hacks are used if neither limits.h or values.h provide them:
1583 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1584 * for types < int: (unsigned TYPE)~(unsigned)0
1585 * The argument to ~ must be unsigned so that later signed->unsigned
1586 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1587 * and it must not be smaller than int because ~ does integral promotion.
1588 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1589 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1590 * The latter is a hack which happens to work on some machines but
1591 * does *not* catch any random system, or things like integer types
1592 * with NaN if that is possible.
1593 *
1594 * All of the types are explicitly cast to prevent accidental loss of
1595 * numeric range, and in the hope that they will be less likely to confuse
1596 * over-eager optimizers.
1597 *
1598 */
27d4fb96 1599
99abf803 1600#define PERL_UCHAR_MIN ((unsigned char)0)
1601
1602#ifdef UCHAR_MAX
1603# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1604#else
99abf803 1605# ifdef MAXUCHAR
1606# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1607# else
99abf803 1608# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1609# endif
1610#endif
d460ef45 1611
99abf803 1612/*
1613 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1614 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1615 * depending on local options. Until Configure detects this (or at least
1616 * detects whether the "signed" keyword is available) the CHAR ranges
1617 * will not be included. UCHAR functions normally.
1618 * - kja
1619 */
27d4fb96 1620
99abf803 1621#define PERL_USHORT_MIN ((unsigned short)0)
1622
1623#ifdef USHORT_MAX
1624# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1625#else
99abf803 1626# ifdef MAXUSHORT
1627# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1628# else
ef2f54b0
CB		 1629# ifdef USHRT_MAX
1630# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1631# else
1632# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1633# endif
27d4fb96 1634# endif
1635#endif
1636
27d4fb96 1637#ifdef SHORT_MAX
99abf803 1638# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1639#else
1640# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1641# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1642# else
ef2f54b0
CB		 1643# ifdef SHRT_MAX
1644# define PERL_SHORT_MAX ((short)SHRT_MAX)
1645# else
1646# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1647# endif
27d4fb96 1648# endif
1649#endif
1650
1651#ifdef SHORT_MIN
99abf803 1652# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1653#else
1654# ifdef MINSHORT
99abf803 1655# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1656# else
ef2f54b0
CB		 1657# ifdef SHRT_MIN
1658# define PERL_SHORT_MIN ((short)SHRT_MIN)
1659# else
1660# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1661# endif
27d4fb96 1662# endif
1663#endif
1664
99abf803 1665#ifdef UINT_MAX
1666# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1667#else
99abf803 1668# ifdef MAXUINT
1669# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1670# else
99abf803 1671# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1672# endif
1673#endif
1674
99abf803 1675#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1676
1677#ifdef INT_MAX
99abf803 1678# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1679#else
1680# ifdef MAXINT /* Often used in <values.h> */
99abf803 1681# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1682# else
99abf803 1683# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1684# endif
1685#endif
1686
1687#ifdef INT_MIN
99abf803 1688# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1689#else
1690# ifdef MININT
99abf803 1691# define PERL_INT_MIN ((int)MININT)
27d4fb96 1692# else
1693# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1694# endif
1695#endif
1696
99abf803 1697#ifdef ULONG_MAX
1698# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1699#else
99abf803 1700# ifdef MAXULONG
1701# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1702# else
99abf803 1703# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1704# endif
1705#endif
1706
99abf803 1707#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1708
760ac839 1709#ifdef LONG_MAX
99abf803 1710# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1711#else
1712# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1713# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1714# else
99abf803 1715# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1716# endif
1717#endif
1718
1719#ifdef LONG_MIN
99abf803 1720# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1721#else
1722# ifdef MINLONG
99abf803 1723# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1724# else
27d4fb96 1725# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1726# endif
1727#endif
1728
d7d93a81 1729#ifdef UV_IS_QUAD
99abf803 1730
99abf803 1731# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1732# define PERL_UQUAD_MIN ((UV)0)
99abf803 1733# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1734# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1735
79072805
LW		 1736#endif
1737
26776375
JH		 1738#ifdef MYMALLOC
1739# include "malloc_ctl.h"
1740#endif
1741
830247a4 1742struct RExC_state_t;
880b20b6 1743
ee0007ab 1744typedef MEM_SIZE STRLEN;
450a55e4 1745
79072805
LW		 1746typedef struct op OP;
1747typedef struct cop COP;
1748typedef struct unop UNOP;
1749typedef struct binop BINOP;
1750typedef struct listop LISTOP;
1751typedef struct logop LOGOP;
79072805
LW		 1752typedef struct pmop PMOP;
1753typedef struct svop SVOP;
7934575e 1754typedef struct padop PADOP;
79072805 1755typedef struct pvop PVOP;
79072805
LW		 1756typedef struct loop LOOP;
1757
93a17b20 1758typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1759
1760/* Amdahl's <ksync.h> has struct sv */
1761/* SGI's <sys/sema.h> has struct sv */
1762#if defined(UTS) || defined(__sgi)
1763# define STRUCT_SV perl_sv
b8d3c5db
JH		 1764#else
1765# define STRUCT_SV sv
1766#endif
1767typedef struct STRUCT_SV SV;
79072805
LW		 1768typedef struct av AV;
1769typedef struct hv HV;
1770typedef struct cv CV;
378cc40b 1771typedef struct regexp REGEXP;
79072805 1772typedef struct gp GP;
0c30d9ec 1773typedef struct gv GV;
8990e307 1774typedef struct io IO;
c09156bb 1775typedef struct context PERL_CONTEXT;
79072805
LW		 1776typedef struct block BLOCK;
1777
1778typedef struct magic MAGIC;
ed6116ce 1779typedef struct xrv XRV;
79072805
LW		 1780typedef struct xpv XPV;
1781typedef struct xpviv XPVIV;
ff68c719 1782typedef struct xpvuv XPVUV;
79072805
LW		 1783typedef struct xpvnv XPVNV;
1784typedef struct xpvmg XPVMG;
1785typedef struct xpvlv XPVLV;
1786typedef struct xpvav XPVAV;
1787typedef struct xpvhv XPVHV;
1788typedef struct xpvgv XPVGV;
1789typedef struct xpvcv XPVCV;
1790typedef struct xpvbm XPVBM;
1791typedef struct xpvfm XPVFM;
8990e307 1792typedef struct xpvio XPVIO;
79072805
LW		 1793typedef struct mgvtbl MGVTBL;
1794typedef union any ANY;
5f7fde29
GS		 1795typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1796typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1797typedef struct clone_params CLONE_PARAMS;
1798
8d063cd8 1799
378cc40b 1800#include "handy.h"
a0d0e21e 1801
6b8eaf93 1802#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1803# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1804# define USE_64_BIT_RAWIO /* implicit */
1805# endif
4564133c
JH		 1806#endif
1807
6b8eaf93
JH		 1808/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1809 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1810 * however, because operating systems like to do that themself. */
1811#ifndef FSEEKSIZE
1812# ifdef HAS_FSEEKO
1813# define FSEEKSIZE LSEEKSIZE
1814# else
1815# define FSEEKSIZE LONGSIZE
d460ef45 1816# endif
6b8eaf93
JH		 1817#endif
1818
1819#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1820# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1821# define USE_64_BIT_STDIO /* implicit */
1822# endif
1823#endif
4564133c 1824
09458382 1825#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1826# ifdef HAS_OFF64_T
1827# undef Off_t
1828# define Off_t off64_t
1829# undef LSEEKSIZE
1830# define LSEEKSIZE 8
5ff3f7a4 1831# endif
d9b3e12d
JH		 1832/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1833 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1834 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1835# if defined(USE_OPEN64)
1836# define open open64
5ff3f7a4 1837# endif
d9b3e12d
JH		 1838# if defined(USE_LSEEK64)
1839# define lseek lseek64
6b8eaf93
JH		 1840# else
1841# if defined(USE_LLSEEK)
1842# define lseek llseek
1843# endif
d9b3e12d
JH		 1844# endif
1845# if defined(USE_STAT64)
1846# define stat stat64
1847# endif
1848# if defined(USE_FSTAT64)
1849# define fstat fstat64
1850# endif
1851# if defined(USE_LSTAT64)
1852# define lstat lstat64
1853# endif
1854# if defined(USE_FLOCK64)
1855# define flock flock64
1856# endif
1857# if defined(USE_LOCKF64)
1858# define lockf lockf64
1859# endif
1860# if defined(USE_FCNTL64)
1861# define fcntl fcntl64
1862# endif
1863# if defined(USE_TRUNCATE64)
1864# define truncate truncate64
1865# endif
1866# if defined(USE_FTRUNCATE64)
1867# define ftruncate ftruncate64
1868# endif
1869#endif
1870
1871#ifdef USE_64_BIT_STDIO
1872# ifdef HAS_FPOS64_T
1873# undef Fpos_t
1874# define Fpos_t fpos64_t
1875# endif
1876/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1877 * will trigger defines like the ones below. Some 64-bit environments,
1878 * however, do not. */
1879# if defined(USE_FOPEN64)
1880# define fopen fopen64
1881# endif
1882# if defined(USE_FSEEK64)
6b8eaf93 1883# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1884# endif
1885# if defined(USE_FTELL64)
6b8eaf93 1886# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1887# endif
1888# if defined(USE_FSETPOS64)
1889# define fsetpos fsetpos64
1890# endif
1891# if defined(USE_FGETPOS64)
1892# define fgetpos fgetpos64
1893# endif
1894# if defined(USE_TMPFILE64)
1895# define tmpfile tmpfile64
1896# endif
1897# if defined(USE_FREOPEN64)
1898# define freopen freopen64
5ff3f7a4
GS		 1899# endif
1900#endif
1901
af8b425d 1902#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1903# include "iperlsys.h"
1904#endif
1905
6f71a643 1906#if defined(__OPEN_VM)
19848b3f
JH		 1907# include "vmesa/vmesaish.h"
1908# define ISHISH "vmesa"
6f71a643
JH		 1909#endif
1910
748a9306 1911#ifdef DOSISH
19848b3f
JH		 1912# if defined(OS2)
1913# include "os2ish.h"
1914# else
1915# include "dosish.h"
1916# endif
1917# define ISHISH "dos"
1918#endif
1919
1920#if defined(VMS)
748a9306 1921# include "vmsish.h"
96e176bf 1922# include "embed.h"
19848b3f
JH		 1923# define ISHISH "vms"
1924#endif
1925
1926#if defined(PLAN9)
1927# include "./plan9/plan9ish.h"
1928# define ISHISH "plan9"
1929#endif
1930
1931#if defined(MPE)
1932# include "mpeix/mpeixish.h"
1933# define ISHISH "mpeix"
1934#endif
1935
1936#if defined(__VOS__)
196918b0
PG		 1937# ifdef __GNUC__
1938# include "./vos/vosish.h"
1939# else
1940# include "vos/vosish.h"
1941# endif
19848b3f
JH		 1942# define ISHISH "vos"
1943#endif
1944
1945#if defined(EPOC)
1946# include "epocish.h"
1947# define ISHISH "epoc"
1948#endif
1949
1950#if defined(MACOS_TRADITIONAL)
1951# include "macos/macish.h"
1952# ifndef NO_ENVIRON_ARRAY
1953# define NO_ENVIRON_ARRAY
0c30d9ec 1954# endif
19848b3f
JH		 1955# define ISHISH "macos classic"
1956#endif
1957
efca5cc6
JH		 1958#if defined(__BEOS__)
1959# include "beos/beosish.h"
1960# define ISHISH "beos"
1961#endif
1962
19848b3f
JH		 1963#ifndef ISHISH
1964# include "unixish.h"
1965# define ISHISH "unix"
13b6e58c
JH		 1966#endif
1967
1968#ifndef NO_ENVIRON_ARRAY
1969# define USE_ENVIRON_ARRAY
1970#endif
32f822de 1971
c77b533b
JH		 1972/*
1973 * initialise to avoid floating-point exceptions from overflow, etc
1974 */
1975#ifndef PERL_FPU_INIT
1976# ifdef HAS_FPSETMASK
1977# if HAS_FLOATINGPOINT_H
1978# include <floatingpoint.h>
1979# endif
1980# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1981# else
75a5c1c6 1982# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
ac388100 1983# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
629185f5
JH		 1984# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
1985# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
7014c407
JH		 1986# else
1987# define PERL_FPU_INIT
75a5c1c6 1988
7014c407 1989# endif
c77b533b
JH		 1990# endif
1991#endif
629185f5
JH		 1992#ifndef PERL_FPU_PRE_EXEC
1993# define PERL_FPU_PRE_EXEC {
1994# define PERL_FPU_POST_EXEC }
1995#endif
c77b533b 1996
ed344e4f
IZ		 1997#ifndef PERL_SYS_INIT3
1998# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1999#endif
2000
be708cc0
JH		 2001#ifndef PERL_WRITE_MSG_TO_CONSOLE
2002# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2003#endif
2004
0f31cffe
GS		 2005#ifndef MAXPATHLEN
2006# ifdef PATH_MAX
b990c8b2
JH		 2007# ifdef _POSIX_PATH_MAX
2008# if PATH_MAX > _POSIX_PATH_MAX
5b7ea690
JH		 2009/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2010 * included the null byte or not. Later amendments of POSIX,
2011 * XPG4, the Austin Group, and the Single UNIX Specification
2012 * all explicitly include the null byte in the PATH_MAX.
2013 * Ditto for _POSIX_PATH_MAX. */
2014# define MAXPATHLEN PATH_MAX
b990c8b2 2015# else
5b7ea690 2016# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2017# endif
2018# else
2019# define MAXPATHLEN (PATH_MAX+1)
2020# endif
0f31cffe 2021# else
b990c8b2 2022# ifdef _POSIX_PATH_MAX
5b7ea690 2023# define MAXPATHLEN _POSIX_PATH_MAX
b990c8b2
JH		 2024# else
2025# define MAXPATHLEN 1024 /* Err on the large side. */
2026# endif
0f31cffe
GS		 2027# endif
2028#endif
2029
d460ef45 2030/*
4d1ff10f 2031 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 2032 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 2033 * this results in many functions being undeclared which bothers C++
2034 * May make sense to have threads after "*ish.h" anyway
2035 */
2036
4d1ff10f
AB		 2037#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
2038# if defined(USE_5005THREADS)
79d59c5f
GS		 2039 /* pending resolution of licensing issues, we avoid the erstwhile
2040 * atomic.h everywhere */
2041# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 2042# endif
2986a63f
JH		 2043# ifdef NETWARE
2044# include <nw5thread.h>
2045# else
32f822de
GS		 2046# ifdef FAKE_THREADS
2047# include "fakethr.h"
2048# else
2049# ifdef WIN32
2050# include <win32thread.h>
2051# else
dd96f567
IZ		 2052# ifdef OS2
2053# include "os2thread.h"
2054# else
7f3d1cf1 2055# ifdef I_MACH_CTHREADS
bdd66968 2056# include <mach/cthreads.h>
8f1f23e8 2057# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 2058# define MUTEX_INIT_CALLS_MALLOC
2059# endif
7f3d1cf1
BH		 2060typedef cthread_t perl_os_thread;
2061typedef mutex_t perl_mutex;
2062typedef condition_t perl_cond;
2063typedef void * perl_key;
2064# else /* Posix threads */
1f5ae88c
JH		 2065# ifdef I_PTHREAD
2066# include <pthread.h>
2067# endif
7f3d1cf1
BH		 2068typedef pthread_t perl_os_thread;
2069typedef pthread_mutex_t perl_mutex;
2070typedef pthread_cond_t perl_cond;
2071typedef pthread_key_t perl_key;
2072# endif /* I_MACH_CTHREADS */
dd96f567 2073# endif /* OS2 */
32f822de
GS		 2074# endif /* WIN32 */
2075# endif /* FAKE_THREADS */
2986a63f 2076#endif /* NETWARE */
4d1ff10f 2077#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 2078
66a93824 2079#if defined(WIN32)
1feb2720 2080# include "win32.h"
c5be433b
GS		 2081#endif
2082
2986a63f
JH		 2083#ifdef NETWARE
2084# include "netware.h"
2085#endif
2086
68dc0745 2087#ifdef VMS
6b88bc9c 2088# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 2089# define STATUS_NATIVE_EXPORT \
d98f61e7 2090 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 2091# define STATUS_NATIVE_SET(n) \
2092 STMT_START { \
6b88bc9c
GS		 2093 PL_statusvalue_vms = (n); \
2094 if ((I32)PL_statusvalue_vms == -1) \
3280af22 2095 PL_statusvalue = -1; \
6b88bc9c 2096 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 2097 PL_statusvalue = 0; \
6b88bc9c
GS		 2098 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2099 PL_statusvalue = 1 << 8; \
68dc0745 2100 else \
6b88bc9c 2101 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 2102 } STMT_END
3280af22 2103# define STATUS_POSIX PL_statusvalue
68dc0745 2104# ifdef VMSISH_STATUS
2105# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2106# else
2107# define STATUS_CURRENT STATUS_POSIX
2108# endif
2109# define STATUS_POSIX_SET(n) \
2110 STMT_START { \
3280af22
NIS		 2111 PL_statusvalue = (n); \
2112 if (PL_statusvalue != -1) { \
2113 PL_statusvalue &= 0xFFFF; \
6b88bc9c 2114 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 2115 } \
6b88bc9c 2116 else PL_statusvalue_vms = -1; \
68dc0745 2117 } STMT_END
6b88bc9c
GS		 2118# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2119# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 2120#else
2121# define STATUS_NATIVE STATUS_POSIX
2122# define STATUS_NATIVE_EXPORT STATUS_POSIX
2123# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 2124# define STATUS_POSIX PL_statusvalue
68dc0745 2125# define STATUS_POSIX_SET(n) \
2126 STMT_START { \
3280af22
NIS		 2127 PL_statusvalue = (n); \
2128 if (PL_statusvalue != -1) \
2129 PL_statusvalue &= 0xFFFF; \
68dc0745 2130 } STMT_END
2131# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2132# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2133# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2134#endif
2135
cc3604b1
GS		 2136/* flags in PL_exit_flags for nature of exit() */
2137#define PERL_EXIT_EXPECTED 0x01
31d77e54 2138#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2139
0b94c7bb 2140#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2141# define MEMBER_TO_FPTR(name) name
2142#endif
2143
2144/* format to use for version numbers in file/directory names */
273cf8d1 2145/* XXX move to Configure? */
a7cb1f99 2146#ifndef PERL_FS_VER_FMT
273cf8d1 2147# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2148#endif
2149
45bc9206 2150/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2151 * performance issue, so we allow people to disable it. Also, if
2152 * we are using stdio, there are broken implementations of fflush(NULL)
2153 * out there, Solaris being the most prominent.
45bc9206
GS		 2154 */
2155#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2156# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2157# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2158# else
2159# ifdef FFLUSH_ALL
2160# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2161# else
c5be433b 2162# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2163# endif
66fe083f 2164# endif
45bc9206
GS		 2165#endif
2166
7766f137
GS		 2167#ifndef PERL_WAIT_FOR_CHILDREN
2168# define PERL_WAIT_FOR_CHILDREN NOOP
2169#endif
2170
ba869deb 2171/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2172#ifndef PERL_SET_INTERP
2173# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2174#endif
2175
2176#ifndef PERL_GET_INTERP
2177# define PERL_GET_INTERP (PL_curinterp)
2178#endif
2179
54aff467 2180#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2181# ifdef USE_5005THREADS
ba869deb 2182# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2183# else
2184# ifdef MULTIPLICITY
ba869deb 2185# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2186# endif
2187# endif
ba869deb
GS		 2188# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2189#endif
2190
894356b3
GS		 2191#ifndef SVf
2192# ifdef CHECK_FORMAT
2193# define SVf "p"
f824e39a
JH		 2194# ifndef SVf256
2195# define SVf256 SVf
2196# endif
894356b3
GS		 2197# else
2198# define SVf "_"
d460ef45 2199# endif
894356b3
GS		 2200#endif
2201
f824e39a
JH		 2202#ifndef SVf256
2203# define SVf256 ".256"SVf
2204#endif
2205
d2560b70
RB		 2206#ifndef UVf
2207# ifdef CHECK_FORMAT
2208# define UVf UVuf
2209# else
2210# define UVf "Vu"
d460ef45 2211# endif
d2560b70
RB		 2212#endif
2213
2214#ifndef VDf
2215# ifdef CHECK_FORMAT
2216# define VDf "p"
2217# else
2218# define VDf "vd"
d460ef45 2219# endif
d2560b70
RB		 2220#endif
2221
b3fe4827
RB		 2222#ifndef Nullformat
2223# ifdef CHECK_FORMAT
2224# define Nullformat "%s",""
2225# else
2226# define Nullformat Nullch
2227# endif
2228#endif
2229
16c773f9
JH		 2230#ifndef __attribute__format__
2231# ifdef CHECK_FORMAT
2232# define __attribute__format__(x,y,z) __attribute__((__format__(x,y,z)))
2233# else
2234# define __attribute__format__(x,y,z)
2235# endif
2236#endif
2237
3fc1aec6 2238/* Some unistd.h's give a prototype for pause() even though
2239 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2240 below to be rejected by the compiler. Sigh.
3fc1aec6 2241*/
2242#ifdef HAS_PAUSE
2243#define Pause pause
2244#else
2245#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2246#endif
2247
2248#ifndef IOCPARM_LEN
2249# ifdef IOCPARM_MASK
2250 /* on BSDish systes we're safe */
2251# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2252# else
2253 /* otherwise guess at what's safe */
2254# define IOCPARM_LEN(x) 256
2255# endif
a0d0e21e
LW		 2256#endif
2257
1761cee5 2258#if defined(__CYGWIN__)
521e0776
GS		 2259/* USEMYBINMODE
2260 * This symbol, if defined, indicates that the program should
16fe6d59 2261 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2262 * that a file is in "binary" mode -- that is, that no translation
2263 * of bytes occurs on read or write operations.
2264 */
16c773f9 2265# define USEMYBINMODE /**/
5ed858ef 2266# include <io.h> /* for setmode() prototype */
16fe6d59 2267# define my_binmode(fp, iotype, mode) \
5ed858ef 2268 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2269#endif
2270
ecde6dd6
NA		 2271#ifdef __CYGWIN__
2272void init_os_extras(void);
2273#endif
2274
cea2e8a9
GS		 2275#ifdef UNION_ANY_DEFINITION
2276UNION_ANY_DEFINITION;
2277#else
2278union any {
2279 void* any_ptr;
2280 I32 any_i32;
2281 IV any_iv;
2282 long any_long;
4f4e7967 2283 bool any_bool;
c76ac1ee 2284 void (*any_dptr) (void*);
acfe0abc 2285 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2286};
2287#endif
2288
4d1ff10f 2289#ifdef USE_5005THREADS
cea2e8a9
GS		 2290#define ARGSproto struct perl_thread *thr
2291#else
2292#define ARGSproto
4d1ff10f 2293#endif /* USE_5005THREADS */
cea2e8a9 2294
acfe0abc 2295typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2296
2297#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2298#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2299#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2300
c5078cac
JH		 2301#if defined(_AIX) && !defined(_AIX43)
2302#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2303/* We cannot include <crypt.h> to get the struct crypt_data
2304 * because of setkey prototype problems when threading */
2305typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2306 /* From OSF, Not needed in AIX
2307 char C[28], D[28];
2308 */
2309 char E[48];
2310 char KS[16][48];
2311 char block[66];
2312 char iobuf[16];
2313} CRYPTD;
2314#endif /* threading */
2315#endif /* AIX */
2316
af8b425d 2317#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2318# include "iperlsys.h"
2319#endif
c71f9582 2320
a8770bf5
JH		 2321/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2322 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2323 * defined by Configure, despite their names being similar to the
2324 * other defines like USE_ITHREADS. Configure in fact knows nothing
2325 * about the randomised hashes. Therefore to enable/disable the hash
2326 * randomisation defines use the Configure -Accflags=... instead. */
c71f9582 2327#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
aa69cd32 2328# define USE_HASH_SEED
c71f9582
PN		 2329#endif
2330
378cc40b 2331#include "regexp.h"
79072805 2332#include "sv.h"
378cc40b 2333#include "util.h"
8d063cd8 2334#include "form.h"
79072805 2335#include "gv.h"
9755d405 2336#include "pad.h"
79072805 2337#include "cv.h"
abdd5c84 2338#include "opnames.h"
79072805
LW		 2339#include "op.h"
2340#include "cop.h"
2341#include "av.h"
2342#include "hv.h"
2343#include "mg.h"
2344#include "scope.h"
4438c4b7 2345#include "warnings.h"
a0ed51b3 2346#include "utf8.h"
8d063cd8 2347
7fae4e64
GS		 2348/* Current curly descriptor */
2349typedef struct curcur CURCUR;
2350struct curcur {
2351 int parenfloor; /* how far back to strip paren data */
2352 int cur; /* how many instances of scan we've matched */
2353 int min; /* the minimal number of scans to match */
2354 int max; /* the maximal number of scans to match */
2355 int minmod; /* whether to work our way up or down */
2356 regnode * scan; /* the thing to match */
2357 regnode * next; /* what has to match after it */
2358 char * lastloc; /* where we started matching this scan */
2359 CURCUR * oldcc; /* current curly before we started this one */
2360};
2361
2362typedef struct _sublex_info SUBLEXINFO;
2363struct _sublex_info {
2364 I32 super_state; /* lexer state to save */
2365 I32 sub_inwhat; /* "lex_inwhat" to use */
2366 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2367 char *super_bufptr; /* PL_bufptr that was */
2368 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2369};
2370
455ece5e 2371typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2372
2c2d71f5 2373struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2374struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2375
2376typedef I32 CHECKPOINT;
76e3520e 2377
5f7fde29
GS		 2378struct ptr_tbl_ent {
2379 struct ptr_tbl_ent* next;
2380 void* oldval;
2381 void* newval;
d18c6117
GS		 2382};
2383
5f7fde29
GS		 2384struct ptr_tbl {
2385 struct ptr_tbl_ent** tbl_ary;
2386 UV tbl_max;
2387 UV tbl_items;
d18c6117
GS		 2388};
2389
450a55e4 2390#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2391# define I286
2392#endif
2393
fe14fcc3
LW		 2394#if defined(htonl) && !defined(HAS_HTONL)
2395#define HAS_HTONL
ae986130 2396#endif
fe14fcc3
LW		 2397#if defined(htons) && !defined(HAS_HTONS)
2398#define HAS_HTONS
ae986130 2399#endif
fe14fcc3
LW		 2400#if defined(ntohl) && !defined(HAS_NTOHL)
2401#define HAS_NTOHL
ae986130 2402#endif
fe14fcc3
LW		 2403#if defined(ntohs) && !defined(HAS_NTOHS)
2404#define HAS_NTOHS
ae986130 2405#endif
fe14fcc3 2406#ifndef HAS_HTONL
d9d8d8de 2407#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2408#define HAS_HTONS
2409#define HAS_HTONL
2410#define HAS_NTOHS
2411#define HAS_NTOHL
a687059c
LW		 2412#define MYSWAP
2413#define htons my_swap
2414#define htonl my_htonl
2415#define ntohs my_swap
2416#define ntohl my_ntohl
2417#endif
2418#else
d9d8d8de 2419#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2420#undef HAS_HTONS
2421#undef HAS_HTONL
2422#undef HAS_NTOHS
2423#undef HAS_NTOHL
a687059c
LW		 2424#endif
2425#endif
2426
988174c1
LW		 2427/*
2428 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2429 * -DWS
2430 */
2431#if BYTEORDER != 0x1234
2432# define HAS_VTOHL
2433# define HAS_VTOHS
2434# define HAS_HTOVL
2435# define HAS_HTOVS
c67712b2 2436# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2437# define vtohl(x) ((((x)&0xFF)<<24) \
2438 +(((x)>>24)&0xFF) \
2439 +(((x)&0x0000FF00)<<8) \
2440 +(((x)&0x00FF0000)>>8) )
2441# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2442# define htovl(x) vtohl(x)
2443# define htovs(x) vtohs(x)
2444# endif
2445 /* otherwise default to functions in util.c */
2a8c3029 2446#ifndef htovs
c623ac67
GS		 2447short htovs(short n);
2448short vtohs(short n);
2449long htovl(long n);
2450long vtohl(long n);
988174c1 2451#endif
2a8c3029 2452#endif
988174c1 2453
3bb7c1b4
JH		 2454/* *MAX Plus 1. A floating point value.
2455 Hopefully expressed in a way that dodgy floating point can't mess up.
2456 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2457 is added to it
2458 May find that some broken compiler will want the value cast to I32.
2459 [after the shift, as signed >> may not be as secure as unsigned >>]
2460*/
2461#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2462#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2463/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2464 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2465 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2466*/
2467#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2468
3bb7c1b4
JH		 2469#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2470#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2471#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2472
2473/* This may look like unnecessary jumping through hoops, but converting
2474 out of range floating point values to integers *is* undefined behaviour,
2475 and it is starting to bite.
2476*/
2477#ifndef CAST_INLINE
65202027 2478#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2479#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2480#define I_V(what) (cast_iv((NV)(what)))
2481#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2482#else
2483#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2484 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2485 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2486#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2487 : ((n) < U32_MAX_P1 ? (U32) (n) \
2488 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2489#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2490 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2491 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2492#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2493 : ((n) < UV_MAX_P1 ? (UV) (n) \
2494 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2495#endif
2496
2497#define U_S(what) ((U16)U_32(what))
2498#define U_I(what) ((unsigned int)U_32(what))
2499#define U_L(what) U_32(what)
ed6116ce 2500
2d4389e4
JH		 2501/* These do not care about the fractional part, only about the range. */
2502#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2503#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2504
25da4f38
IZ		 2505/* Used with UV/IV arguments: */
2506 /* XXXX: need to speed it up */
2507#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2508#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2509
352d5a3a
LW		 2510#ifndef MAXSYSFD
2511# define MAXSYSFD 2
2512#endif
ee0007ab 2513
79072805 2514#ifndef __cplusplus
e1caacb4 2515#ifndef UNDER_CE
20ce7b12
GS		 2516Uid_t getuid (void);
2517Uid_t geteuid (void);
2518Gid_t getgid (void);
2519Gid_t getegid (void);
79072805 2520#endif
e1caacb4 2521#endif
8d063cd8 2522
0c30d9ec 2523#ifndef Perl_debug_log
bf49b057
GS		 2524# define Perl_debug_log PerlIO_stderr()
2525#endif
2526
2527#ifndef Perl_error_log
2528# define Perl_error_log (PL_stderrgv \
5b7ea690 2529 && isGV(PL_stderrgv) \
01bb7c6d 2530 && GvIOp(PL_stderrgv) \
42de951c 2531 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2532 ? IoOFP(GvIOp(PL_stderrgv)) \
2533 : PerlIO_stderr())
0c30d9ec 2534#endif
3967c732 2535
aea4f609
DM		 2536
2537#define DEBUG_p_FLAG 0x00000001 /* 1 */
2538#define DEBUG_s_FLAG 0x00000002 /* 2 */
2539#define DEBUG_l_FLAG 0x00000004 /* 4 */
2540#define DEBUG_t_FLAG 0x00000008 /* 8 */
2541#define DEBUG_o_FLAG 0x00000010 /* 16 */
2542#define DEBUG_c_FLAG 0x00000020 /* 32 */
2543#define DEBUG_P_FLAG 0x00000040 /* 64 */
2544#define DEBUG_m_FLAG 0x00000080 /* 128 */
2545#define DEBUG_f_FLAG 0x00000100 /* 256 */
2546#define DEBUG_r_FLAG 0x00000200 /* 512 */
2547#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2548#define DEBUG_u_FLAG 0x00000800 /* 2048 */
aea4f609
DM		 2549#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2550#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2551#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2552#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2553#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2554#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a 2555#define DEBUG_J_FLAG 0x00080000 /* 524288 */
bbb1cf39
JH		 2556#define DEBUG_v_FLAG 0x00100000 /*1048576 */
2557#define DEBUG_MASK 0x001FEFFF /* mask of all the standard flags */
aea4f609
DM		 2558
2559#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2560#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2561 that something was done? */
aea4f609 2562
bd16a5f0
IZ		 2563# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2564# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2565# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2566# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2567# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2568# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2569# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2570# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2571# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2572# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2573# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2574# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
bd16a5f0
IZ		 2575# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2576# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2577# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2578# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2579# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2580# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2581# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
bbb1cf39 2582# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
9755d405
JH		 2583# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
2584
bd16a5f0 2585
3967c732 2586#ifdef DEBUGGING
aea4f609
DM		 2587
2588# undef YYDEBUG
2589# define YYDEBUG 1
2590
bd16a5f0
IZ		 2591# define DEBUG_p_TEST DEBUG_p_TEST_
2592# define DEBUG_s_TEST DEBUG_s_TEST_
2593# define DEBUG_l_TEST DEBUG_l_TEST_
2594# define DEBUG_t_TEST DEBUG_t_TEST_
2595# define DEBUG_o_TEST DEBUG_o_TEST_
2596# define DEBUG_c_TEST DEBUG_c_TEST_
2597# define DEBUG_P_TEST DEBUG_P_TEST_
2598# define DEBUG_m_TEST DEBUG_m_TEST_
2599# define DEBUG_f_TEST DEBUG_f_TEST_
2600# define DEBUG_r_TEST DEBUG_r_TEST_
2601# define DEBUG_x_TEST DEBUG_x_TEST_
2602# define DEBUG_u_TEST DEBUG_u_TEST_
bd16a5f0
IZ		 2603# define DEBUG_H_TEST DEBUG_H_TEST_
2604# define DEBUG_X_TEST DEBUG_X_TEST_
9755d405 2605# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
bd16a5f0
IZ		 2606# define DEBUG_D_TEST DEBUG_D_TEST_
2607# define DEBUG_S_TEST DEBUG_S_TEST_
2608# define DEBUG_T_TEST DEBUG_T_TEST_
2609# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2610# define DEBUG_J_TEST DEBUG_J_TEST_
bbb1cf39 2611# define DEBUG_v_TEST DEBUG_v_TEST_
aea4f609 2612
70cc50ef
JH		 2613# define PERL_DEB(a) a
2614# define PERL_DEBUG(a) if (PL_debug) a
aea4f609
DM		 2615# define DEBUG_p(a) if (DEBUG_p_TEST) a
2616# define DEBUG_s(a) if (DEBUG_s_TEST) a
2617# define DEBUG_l(a) if (DEBUG_l_TEST) a
2618# define DEBUG_t(a) if (DEBUG_t_TEST) a
2619# define DEBUG_o(a) if (DEBUG_o_TEST) a
2620# define DEBUG_c(a) if (DEBUG_c_TEST) a
2621# define DEBUG_P(a) if (DEBUG_P_TEST) a
2622
969058bb
VK		 2623 /* Temporarily turn off memory debugging in case the a
2624 * does memory allocation, either directly or indirectly. */
acfe0abc 2625# define DEBUG_m(a) \
0b250b9e 2626 STMT_START { \
aea4f609 2627 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2628 } STMT_END
aea4f609 2629
5f80b19c
AMS		 2630# define DEBUG__(t, a) \
2631 STMT_START { \
2632 if (t) STMT_START {a;} STMT_END; \
2633 } STMT_END
2634
2635# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2636# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2637# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2638# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
5f80b19c
AMS		 2639# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2640# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
9755d405 2641# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
5f80b19c 2642# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2643
4d1ff10f 2644# ifdef USE_5005THREADS
5f80b19c 2645# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2646# else
2647# define DEBUG_S(a)
2648# endif
aea4f609 2649
5f80b19c
AMS		 2650# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2651# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
bbb1cf39 2652# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
aea4f609
DM		 2653
2654#else /* DEBUGGING */
2655
2656# define DEBUG_p_TEST (0)
2657# define DEBUG_s_TEST (0)
2658# define DEBUG_l_TEST (0)
2659# define DEBUG_t_TEST (0)
2660# define DEBUG_o_TEST (0)
2661# define DEBUG_c_TEST (0)
2662# define DEBUG_P_TEST (0)
2663# define DEBUG_m_TEST (0)
2664# define DEBUG_f_TEST (0)
2665# define DEBUG_r_TEST (0)
2666# define DEBUG_x_TEST (0)
2667# define DEBUG_u_TEST (0)
aea4f609
DM		 2668# define DEBUG_H_TEST (0)
2669# define DEBUG_X_TEST (0)
9755d405 2670# define DEBUG_Xv_TEST (0)
aea4f609
DM		 2671# define DEBUG_D_TEST (0)
2672# define DEBUG_S_TEST (0)
2673# define DEBUG_T_TEST (0)
04932ac8 2674# define DEBUG_R_TEST (0)
1045810a 2675# define DEBUG_J_TEST (0)
bbb1cf39 2676# define DEBUG_v_TEST (0)
aea4f609 2677
70cc50ef
JH		 2678# define PERL_DEB(a)
2679# define PERL_DEBUG(a)
aea4f609
DM		 2680# define DEBUG_p(a)
2681# define DEBUG_s(a)
2682# define DEBUG_l(a)
2683# define DEBUG_t(a)
2684# define DEBUG_o(a)
2685# define DEBUG_c(a)
2686# define DEBUG_P(a)
2687# define DEBUG_m(a)
2688# define DEBUG_f(a)
2689# define DEBUG_r(a)
2690# define DEBUG_x(a)
2691# define DEBUG_u(a)
aea4f609
DM		 2692# define DEBUG_H(a)
2693# define DEBUG_X(a)
9755d405 2694# define DEBUG_Xv(a)
aea4f609
DM		 2695# define DEBUG_D(a)
2696# define DEBUG_S(a)
2697# define DEBUG_T(a)
04932ac8 2698# define DEBUG_R(a)
bbb1cf39 2699# define DEBUG_v(a)
aea4f609
DM		 2700#endif /* DEBUGGING */
2701
2702
1aa6899f
JH		 2703#define DEBUG_SCOPE(where) \
2704 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
2705 where, PL_scopestack_ix, __FILE__, __LINE__)));
2706
2707
2708
2709
d1be9408 2710/* These constants should be used in preference to raw characters
14befaf4
DM		 2711 * when using magic. Note that some perl guts still assume
2712 * certain character properties of these constants, namely that
2713 * isUPPER() and toLOWER() may do useful mappings.
2714 *
2715 * Update the magic_names table in dump.c when adding/amending these
2716 */
2717
2718#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2719#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2720#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2721#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2722#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2723#define PERL_MAGIC_regdata 'D' /* Regex match position data
2724 (@+ and @- vars) */
2725#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2726#define PERL_MAGIC_env 'E' /* %ENV hash */
2727#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2728#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2729#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2730#define PERL_MAGIC_isa 'I' /* @ISA array */
2731#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2732#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2733#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2734#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2735#define PERL_MAGIC_mutex 'm' /* for lock op */
2736#define PERL_MAGIC_shared 'N' /* Shared between threads */
2737#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2738#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2739#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2740#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2741#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2742#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2743#define PERL_MAGIC_sig 'S' /* %SIG hash */
2744#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2745#define PERL_MAGIC_taint 't' /* Taintedness */
2746#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2747#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
7d7ce6cc 2748#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
14befaf4 2749#define PERL_MAGIC_vec 'v' /* vec() lvalue */
323eb6b5 2750#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
14befaf4
DM		 2751#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2752#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2753 smart parameter vivification */
2754#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2755#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2756#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2757#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2758#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2759
2760
fe14fcc3 2761#define YYMAXDEPTH 300
8d063cd8 2762
a6e633de 2763#ifndef assert /* <assert.h> might have been included somehow */
a446a88f 2764#ifdef DEBUGGING
70cc50ef 2765#define assert(what) PERL_DEB( { \
a446a88f
NIS		 2766 if (!(what)) { \
2767 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2768 __FILE__, __LINE__); \
2769 PerlProc_exit(1); \
2770 }})
2771#else
70cc50ef 2772#define assert(what) PERL_DEB( { \
79072805 2773 if (!(what)) { \
cea2e8a9 2774 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2775 __FILE__, __LINE__); \
cea2e8a9 2776 PerlProc_exit(1); \
79072805 2777 }})
a6e633de 2778#endif
a446a88f 2779#endif
8d063cd8 2780
450a55e4 2781struct ufuncs {
24f81a43
DM		 2782 I32 (*uf_val)(pTHX_ IV, SV*);
2783 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2784 IV uf_index;
450a55e4
LW		 2785};
2786
14befaf4 2787/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2788 * XS code wanting to be backward compatible can do something
2789 * like the following:
c745e42c 2790
24f81a43 2791#ifndef PERL_MG_UFUNC
24f81a43
DM		 2792#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2793#endif
2794
2795static PERL_MG_UFUNC(foo_get, index, val)
2796{
2797 sv_setsv(val, ...);
2798 return TRUE;
2799}
2800
2801-- Doug MacEachern
2802
2803*/
2804
fc9c74e6 2805#ifndef PERL_MG_UFUNC
24f81a43 2806#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2807#endif
24f81a43 2808
fe14fcc3 2809/* Fix these up for __STDC__ */
68dc0745 2810#ifndef DONT_DECLARE_STD
20ce7b12 2811char *mktemp (char*);
37bd1396 2812#ifndef atof
20ce7b12 2813double atof (const char*);
a0d0e21e 2814#endif
37bd1396 2815#endif
79072805 2816
352d5a3a 2817#ifndef STANDARD_C
fe14fcc3 2818/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2819Time_t time();
8d063cd8 2820struct tm *gmtime(), *localtime();
092bebab 2821#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2822char *(strchr)(), *(strrchr)();
2823char *(strcpy)(), *(strcat)();
2824#else
93a17b20 2825char *strchr(), *strrchr();
378cc40b 2826char *strcpy(), *strcat();
9d116dd7 2827#endif
352d5a3a 2828#endif /* ! STANDARD_C */
8d063cd8 2829
79072805
LW		 2830
2831#ifdef I_MATH
2832# include <math.h>
2833#else
32f822de 2834START_EXTERN_C
20ce7b12
GS		 2835 double exp (double);
2836 double log (double);
2837 double log10 (double);
2838 double sqrt (double);
2839 double frexp (double,int*);
2840 double ldexp (double,int);
2841 double modf (double,double*);
2842 double sin (double);
2843 double cos (double);
2844 double atan2 (double,double);
2845 double pow (double,double);
32f822de 2846END_EXTERN_C
79072805
LW		 2847#endif
2848
aa8b85de
JH		 2849#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2850# define NV_INF LDBL_INFINITY
2851#endif
2852#if !defined(NV_INF) && defined(DBL_INFINITY)
2853# define NV_INF (NV)DBL_INFINITY
2854#endif
2855#if !defined(NV_INF) && defined(INFINITY)
2856# define NV_INF (NV)INFINITY
2857#endif
2858#if !defined(NV_INF) && defined(INF)
2859# define NV_INF (NV)INF
2860#endif
2861#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2862# define NV_INF (NV)HUGE_VALL
2863#endif
2864#if !defined(NV_INF) && defined(HUGE_VAL)
2865# define NV_INF (NV)HUGE_VAL
2866#endif
2867
2868#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2869# if !defined(NV_NAN) && defined(LDBL_NAN)
2870# define NV_NAN LDBL_NAN
2871# endif
2872# if !defined(NV_NAN) && defined(LDBL_QNAN)
2873# define NV_NAN LDBL_QNAN
2874# endif
2875# if !defined(NV_NAN) && defined(LDBL_SNAN)
2876# define NV_NAN LDBL_SNAN
2877# endif
2878#endif
2879#if !defined(NV_NAN) && defined(DBL_NAN)
2880# define NV_NAN (NV)DBL_NAN
2881#endif
2882#if !defined(NV_NAN) && defined(DBL_QNAN)
2883# define NV_NAN (NV)DBL_QNAN
2884#endif
2885#if !defined(NV_NAN) && defined(DBL_SNAN)
2886# define NV_NAN (NV)DBL_SNAN
2887#endif
2888#if !defined(NV_NAN) && defined(QNAN)
2889# define NV_NAN (NV)QNAN
2890#endif
2891#if !defined(NV_NAN) && defined(SNAN)
2892# define NV_NAN (NV)SNAN
2893#endif
2894#if !defined(NV_NAN) && defined(NAN)
2895# define NV_NAN (NV)NAN
2896#endif
2897
a0d0e21e 2898#ifndef __cplusplus
8f1f23e8 2899# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2900char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2901# else
fd8cd3a3 2902# if !defined(WIN32) && !defined(VMS)
10bc17b6 2903#ifndef crypt
20ce7b12 2904char *crypt (const char*, const char*);
10bc17b6 2905#endif
5014db98 2906# endif /* !WIN32 */
8f1f23e8 2907# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2908# ifndef DONT_DECLARE_STD
2909# ifndef getenv
20ce7b12 2910char *getenv (const char*);
26618a56 2911# endif /* !getenv */
28ca6303 2912# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2913# ifdef _FILE_OFFSET_BITS
28ca6303 2914# if _FILE_OFFSET_BITS == 64
20ce7b12 2915Off_t lseek (int,Off_t,int);
0fc67700
JH		 2916# endif
2917# endif
bf0c440f 2918# endif
26618a56 2919# endif /* !DONT_DECLARE_STD */
10bc17b6 2920#ifndef getlogin
20ce7b12 2921char *getlogin (void);
10bc17b6 2922#endif
26618a56 2923#endif /* !__cplusplus */
79072805 2924
16d20bd9 2925#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2926#define UNLINK unlnk
20ce7b12 2927I32 unlnk (char*);
8d063cd8 2928#else
80252599 2929#define UNLINK PerlLIO_unlink
8d063cd8 2930#endif
a687059c 2931
fa0a29af
JH		 2932/* some versions of glibc are missing the setresuid() proto */
2933#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2934int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2935#endif
fa0a29af
JH		 2936/* some versions of glibc are missing the setresgid() proto */
2937#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2938int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2939#endif
2940
fe14fcc3 2941#ifndef HAS_SETREUID
85e6fe83
LW		 2942# ifdef HAS_SETRESUID
2943# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2944# define HAS_SETREUID
2945# endif
a687059c 2946#endif
fe14fcc3 2947#ifndef HAS_SETREGID
85e6fe83
LW		 2948# ifdef HAS_SETRESGID
2949# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2950# define HAS_SETREGID
2951# endif
a687059c 2952#endif
ee0007ab 2953
d543acb6 2954/* Sighandler_t defined in iperlsys.h */
ff68c719 2955
2956#ifdef HAS_SIGACTION
2957typedef struct sigaction Sigsave_t;
2958#else
2959typedef Sighandler_t Sigsave_t;
2960#endif
2961
ee0007ab
LW		 2962#define SCAN_DEF 0
2963#define SCAN_TR 1
2964#define SCAN_REPL 2
79072805
LW		 2965
2966#ifdef DEBUGGING
4633a7c4 2967# ifndef register
a0d0e21e
LW		 2968# define register
2969# endif
cea2e8a9 2970# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2971#else
cea2e8a9 2972# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2973#endif
2974
18f739ee 2975#ifdef MYMALLOC
772fe5b3 2976# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2977# define MALLOC_INIT \
2978 STMT_START { \
2979 PL_malloc_mutex = NULL; \
2980 MUTEX_INIT(&PL_malloc_mutex); \
2981 } STMT_END
2982# define MALLOC_TERM \
2983 STMT_START { \
2984 perl_mutex tmp = PL_malloc_mutex; \
2985 PL_malloc_mutex = NULL; \
2986 MUTEX_DESTROY(&tmp); \
2987 } STMT_END
2988# else
2989# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2990# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2991# endif
18f739ee
IZ		 2992#else
2993# define MALLOC_INIT
2994# define MALLOC_TERM
2995#endif
2996
b6d9d515 2997
0cb96387 2998typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2999typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 3000typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 3001typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 3002
940cb80d 3003/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 3004#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 3005
8f1f23e8
W		 3006/* NeXT has problems with crt0.o globals */
3007#if defined(__DYNAMIC__) && \
6bf46c2a 3008 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
8f1f23e8
W		 3009# if defined(NeXT) || defined(__NeXT)
3010# include <mach-o/dyld.h>
3011# define environ (*environ_pointer)
0c30d9ec 3012EXT char *** environ_pointer;
8f1f23e8 3013# else
6bf46c2a 3014# if defined(PERL_DARWIN) && defined(PERL_CORE)
8f1f23e8
W		 3015# include <crt_externs.h> /* for the env array */
3016# define environ (*_NSGetEnviron())
3017# endif
0c30d9ec 3018# endif
8f1f23e8
W		 3019#else
3020 /* VMS and some other platforms don't use the environ array */
13b6e58c 3021# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 3022# if !defined(DONT_DECLARE_STD) || \
3023 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3024 defined(__sgi) || \
d460ef45 3025 defined(__DGUX)
8f1f23e8 3026extern char ** environ; /* environment variables supplied via exec */
a6c40364 3027# endif
8f1f23e8
W		 3028# endif
3029#endif
79072805 3030
73c4f7a1
GS		 3031START_EXTERN_C
3032
79072805 3033/* handy constants */
22c35a8c 3034EXTCONST char PL_warn_uninit[]
b89fed5f 3035 INIT("Use of uninitialized value%s%s");
22c35a8c 3036EXTCONST char PL_warn_nosemi[]
463ee0b2 3037 INIT("Semicolon seems to be missing");
22c35a8c 3038EXTCONST char PL_warn_reserved[]
463ee0b2 3039 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 3040EXTCONST char PL_warn_nl[]
93a17b20 3041 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 3042EXTCONST char PL_no_wrongref[]
a0d0e21e 3043 INIT("Can't use %s ref as %s ref");
22c35a8c 3044EXTCONST char PL_no_symref[]
748a9306 3045 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 3046EXTCONST char PL_no_usym[]
8990e307 3047 INIT("Can't use an undefined value as %s reference");
22c35a8c 3048EXTCONST char PL_no_aelem[]
93a17b20 3049 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 3050EXTCONST char PL_no_helem[]
93a17b20 3051 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 3052EXTCONST char PL_no_modify[]
93a17b20 3053 INIT("Modification of a read-only value attempted");
22c35a8c 3054EXTCONST char PL_no_mem[]
93a17b20 3055 INIT("Out of memory!\n");
22c35a8c 3056EXTCONST char PL_no_security[]
463ee0b2 3057 INIT("Insecure dependency in %s%s");
22c35a8c 3058EXTCONST char PL_no_sock_func[]
93a17b20 3059 INIT("Unsupported socket function \"%s\" called");
22c35a8c 3060EXTCONST char PL_no_dir_func[]
93a17b20 3061 INIT("Unsupported directory function \"%s\" called");
22c35a8c 3062EXTCONST char PL_no_func[]
93a17b20 3063 INIT("The %s function is unimplemented");
22c35a8c 3064EXTCONST char PL_no_myglob[]
748a9306 3065 INIT("\"my\" variable %s can't be in a package");
5835a535
JH		 3066EXTCONST char PL_no_localize_ref[]
3067 INIT("Can't localize through a reference");
93a17b20 3068
7575fa06 3069EXTCONST char PL_uuemap[65]
80252599
GS		 3070 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3071
3072
79072805 3073#ifdef DOINIT
22c35a8c
GS		 3074EXT char *PL_sig_name[] = { SIG_NAME };
3075EXT int PL_sig_num[] = { SIG_NUM };
79072805 3076#else
22c35a8c
GS		 3077EXT char *PL_sig_name[];
3078EXT int PL_sig_num[];
79072805
LW		 3079#endif
3080
3bd709b1 3081/* fast conversion and case folding tables */
bbce6d69 3082
79072805 3083#ifdef DOINIT
9d116dd7 3084#ifdef EBCDIC
22c35a8c 3085EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 3086 0, 1, 2, 3, 4, 5, 6, 7,
3087 8, 9, 10, 11, 12, 13, 14, 15,
3088 16, 17, 18, 19, 20, 21, 22, 23,
3089 24, 25, 26, 27, 28, 29, 30, 31,
3090 32, 33, 34, 35, 36, 37, 38, 39,
3091 40, 41, 42, 43, 44, 45, 46, 47,
3092 48, 49, 50, 51, 52, 53, 54, 55,
3093 56, 57, 58, 59, 60, 61, 62, 63,
3094 64, 65, 66, 67, 68, 69, 70, 71,
3095 72, 73, 74, 75, 76, 77, 78, 79,
3096 80, 81, 82, 83, 84, 85, 86, 87,
3097 88, 89, 90, 91, 92, 93, 94, 95,
3098 96, 97, 98, 99, 100, 101, 102, 103,
3099 104, 105, 106, 107, 108, 109, 110, 111,
3100 112, 113, 114, 115, 116, 117, 118, 119,
3101 120, 121, 122, 123, 124, 125, 126, 127,
3102 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3103 'H', 'I', 138, 139, 140, 141, 142, 143,
3104 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3105 'Q', 'R', 154, 155, 156, 157, 158, 159,
3106 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3107 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3108 176, 177, 178, 179, 180, 181, 182, 183,
3109 184, 185, 186, 187, 188, 189, 190, 191,
3110 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3111 'h', 'i', 202, 203, 204, 205, 206, 207,
3112 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3113 'q', 'r', 218, 219, 220, 221, 222, 223,
3114 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3115 'y', 'z', 234, 235, 236, 237, 238, 239,
3116 240, 241, 242, 243, 244, 245, 246, 247,
3117 248, 249, 250, 251, 252, 253, 254, 255
3118};
3119#else /* ascii rather than ebcdic */
22c35a8c 3120EXTCONST unsigned char PL_fold[] = {
79072805
LW		 3121 0, 1, 2, 3, 4, 5, 6, 7,
3122 8, 9, 10, 11, 12, 13, 14, 15,
3123 16, 17, 18, 19, 20, 21, 22, 23,
3124 24, 25, 26, 27, 28, 29, 30, 31,
3125 32, 33, 34, 35, 36, 37, 38, 39,
3126 40, 41, 42, 43, 44, 45, 46, 47,
3127 48, 49, 50, 51, 52, 53, 54, 55,
3128 56, 57, 58, 59, 60, 61, 62, 63,
3129 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3130 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3131 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3132 'x', 'y', 'z', 91, 92, 93, 94, 95,
3133 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3134 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3135 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3136 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3137 128, 129, 130, 131, 132, 133, 134, 135,
3138 136, 137, 138, 139, 140, 141, 142, 143,
3139 144, 145, 146, 147, 148, 149, 150, 151,
3140 152, 153, 154, 155, 156, 157, 158, 159,
3141 160, 161, 162, 163, 164, 165, 166, 167,
3142 168, 169, 170, 171, 172, 173, 174, 175,
3143 176, 177, 178, 179, 180, 181, 182, 183,
3144 184, 185, 186, 187, 188, 189, 190, 191,
3145 192, 193, 194, 195, 196, 197, 198, 199,
3146 200, 201, 202, 203, 204, 205, 206, 207,
3147 208, 209, 210, 211, 212, 213, 214, 215,
3148 216, 217, 218, 219, 220, 221, 222, 223,
3149 224, 225, 226, 227, 228, 229, 230, 231,
3150 232, 233, 234, 235, 236, 237, 238, 239,
3151 240, 241, 242, 243, 244, 245, 246, 247,
3152 248, 249, 250, 251, 252, 253, 254, 255
3153};
9d116dd7 3154#endif /* !EBCDIC */
79072805 3155#else
22c35a8c 3156EXTCONST unsigned char PL_fold[];
79072805
LW		 3157#endif
3158
3159#ifdef DOINIT
22c35a8c 3160EXT unsigned char PL_fold_locale[] = {
79072805
LW		 3161 0, 1, 2, 3, 4, 5, 6, 7,
3162 8, 9, 10, 11, 12, 13, 14, 15,
3163 16, 17, 18, 19, 20, 21, 22, 23,
3164 24, 25, 26, 27, 28, 29, 30, 31,
3165 32, 33, 34, 35, 36, 37, 38, 39,
3166 40, 41, 42, 43, 44, 45, 46, 47,
3167 48, 49, 50, 51, 52, 53, 54, 55,
3168 56, 57, 58, 59, 60, 61, 62, 63,
3169 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3170 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3171 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3172 'x', 'y', 'z', 91, 92, 93, 94, 95,
3173 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3174 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3175 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3176 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3177 128, 129, 130, 131, 132, 133, 134, 135,
3178 136, 137, 138, 139, 140, 141, 142, 143,
3179 144, 145, 146, 147, 148, 149, 150, 151,
3180 152, 153, 154, 155, 156, 157, 158, 159,
3181 160, 161, 162, 163, 164, 165, 166, 167,
3182 168, 169, 170, 171, 172, 173, 174, 175,
3183 176, 177, 178, 179, 180, 181, 182, 183,
3184 184, 185, 186, 187, 188, 189, 190, 191,
3185 192, 193, 194, 195, 196, 197, 198, 199,
3186 200, 201, 202, 203, 204, 205, 206, 207,
3187 208, 209, 210, 211, 212, 213, 214, 215,
3188 216, 217, 218, 219, 220, 221, 222, 223,
3189 224, 225, 226, 227, 228, 229, 230, 231,
3190 232, 233, 234, 235, 236, 237, 238, 239,
3191 240, 241, 242, 243, 244, 245, 246, 247,
3192 248, 249, 250, 251, 252, 253, 254, 255
3193};
3194#else
22c35a8c 3195EXT unsigned char PL_fold_locale[];
79072805
LW		 3196#endif
3197
3198#ifdef DOINIT
9d116dd7 3199#ifdef EBCDIC
22c35a8c 3200EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3201 1, 2, 84, 151, 154, 155, 156, 157,
3202 165, 246, 250, 3, 158, 7, 18, 29,
3203 40, 51, 62, 73, 85, 96, 107, 118,
3204 129, 140, 147, 148, 149, 150, 152, 153,
3205 255, 6, 8, 9, 10, 11, 12, 13,
3206 14, 15, 24, 25, 26, 27, 28, 226,
3207 29, 30, 31, 32, 33, 43, 44, 45,
3208 46, 47, 48, 49, 50, 76, 77, 78,
3209 79, 80, 81, 82, 83, 84, 85, 86,
3210 87, 94, 95, 234, 181, 233, 187, 190,
3211 180, 96, 97, 98, 99, 100, 101, 102,
3212 104, 112, 182, 174, 236, 232, 229, 103,
3213 228, 226, 114, 115, 116, 117, 118, 119,
3214 120, 121, 122, 235, 176, 230, 194, 162,
3215 130, 131, 132, 133, 134, 135, 136, 137,
3216 138, 139, 201, 205, 163, 217, 220, 224,
3217 5, 248, 227, 244, 242, 255, 241, 231,
3218 240, 253, 16, 197, 19, 20, 21, 187,
3219 23, 169, 210, 245, 237, 249, 247, 239,
3220 168, 252, 34, 196, 36, 37, 38, 39,
3221 41, 42, 251, 254, 238, 223, 221, 213,
3222 225, 177, 52, 53, 54, 55, 56, 57,
3223 58, 59, 60, 61, 63, 64, 65, 66,
3224 67, 68, 69, 70, 71, 72, 74, 75,
3225 205, 208, 186, 202, 200, 218, 198, 179,
3226 178, 214, 88, 89, 90, 91, 92, 93,
3227 217, 166, 170, 207, 199, 209, 206, 204,
3228 160, 212, 105, 106, 108, 109, 110, 111,
3229 203, 113, 216, 215, 192, 175, 193, 243,
3230 172, 161, 123, 124, 125, 126, 127, 128,
3231 222, 219, 211, 195, 188, 193, 185, 184,
3232 191, 183, 141, 142, 143, 144, 145, 146
3233};
3234#else /* ascii rather than ebcdic */
22c35a8c 3235EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3236 1, 2, 84, 151, 154, 155, 156, 157,
3237 165, 246, 250, 3, 158, 7, 18, 29,
3238 40, 51, 62, 73, 85, 96, 107, 118,
3239 129, 140, 147, 148, 149, 150, 152, 153,
3240 255, 182, 224, 205, 174, 176, 180, 217,
3241 233, 232, 236, 187, 235, 228, 234, 226,
3242 222, 219, 211, 195, 188, 193, 185, 184,
3243 191, 183, 201, 229, 181, 220, 194, 162,
3244 163, 208, 186, 202, 200, 218, 198, 179,
3245 178, 214, 166, 170, 207, 199, 209, 206,
3246 204, 160, 212, 216, 215, 192, 175, 173,
3247 243, 172, 161, 190, 203, 189, 164, 230,
3248 167, 248, 227, 244, 242, 255, 241, 231,
3249 240, 253, 169, 210, 245, 237, 249, 247,
3250 239, 168, 252, 251, 254, 238, 223, 221,
3251 213, 225, 177, 197, 171, 196, 159, 4,
3252 5, 6, 8, 9, 10, 11, 12, 13,
3253 14, 15, 16, 17, 19, 20, 21, 22,
3254 23, 24, 25, 26, 27, 28, 30, 31,
3255 32, 33, 34, 35, 36, 37, 38, 39,
3256 41, 42, 43, 44, 45, 46, 47, 48,
3257 49, 50, 52, 53, 54, 55, 56, 57,
3258 58, 59, 60, 61, 63, 64, 65, 66,
3259 67, 68, 69, 70, 71, 72, 74, 75,
3260 76, 77, 78, 79, 80, 81, 82, 83,
3261 86, 87, 88, 89, 90, 91, 92, 93,
3262 94, 95, 97, 98, 99, 100, 101, 102,
3263 103, 104, 105, 106, 108, 109, 110, 111,
3264 112, 113, 114, 115, 116, 117, 119, 120,
3265 121, 122, 123, 124, 125, 126, 127, 128,
3266 130, 131, 132, 133, 134, 135, 136, 137,
3267 138, 139, 141, 142, 143, 144, 145, 146
3268};
9d116dd7 3269#endif
79072805 3270#else
22c35a8c 3271EXTCONST unsigned char PL_freq[];
79072805
LW		 3272#endif
3273
8990e307
LW		 3274#ifdef DEBUGGING
3275#ifdef DOINIT
22c35a8c 3276EXTCONST char* PL_block_type[] = {
8990e307
LW		 3277 "NULL",
3278 "SUB",
3279 "EVAL",
3280 "LOOP",
3281 "SUBST",
3282 "BLOCK",
3283};
3284#else
22c35a8c 3285EXTCONST char* PL_block_type[];
8990e307
LW		 3286#endif
3287#endif
3288
73c4f7a1
GS		 3289END_EXTERN_C
3290
79072805
LW		 3291/*****************************************************************************/
3292/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3293/*****************************************************************************/
8990e307 3294/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3295
a0d0e21e
LW		 3296#include "perly.h"
3297
fb73857a 3298#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3299
79072805
LW		 3300typedef enum {
3301 XOPERATOR,
3302 XTERM,
79072805 3303 XREF,
8990e307 3304 XSTATE,
a0d0e21e 3305 XBLOCK,
09bef843
SB		 3306 XATTRBLOCK,
3307 XATTRTERM,
a0d0e21e 3308 XTERMBLOCK
79072805
LW		 3309} expectation;
3310
dc9e4912
GS		 3311enum { /* pass one of these to get_vtbl */
3312 want_vtbl_sv,
3313 want_vtbl_env,
3314 want_vtbl_envelem,
3315 want_vtbl_sig,
3316 want_vtbl_sigelem,
3317 want_vtbl_pack,
3318 want_vtbl_packelem,
3319 want_vtbl_dbline,
3320 want_vtbl_isa,
3321 want_vtbl_isaelem,
3322 want_vtbl_arylen,
3323 want_vtbl_glob,
3324 want_vtbl_mglob,
3325 want_vtbl_nkeys,
3326 want_vtbl_taint,
3327 want_vtbl_substr,
3328 want_vtbl_vec,
3329 want_vtbl_pos,
3330 want_vtbl_bm,
3331 want_vtbl_fm,
3332 want_vtbl_uvar,
3333 want_vtbl_defelem,
3334 want_vtbl_regexp,
3335 want_vtbl_collxfrm,
3336 want_vtbl_amagic,
3337 want_vtbl_amagicelem,
4d1ff10f 3338#ifdef USE_5005THREADS
dc9e4912
GS		 3339 want_vtbl_mutex,
3340#endif
3341 want_vtbl_regdata,
810b8aa5 3342 want_vtbl_regdatum,
323eb6b5
JH		 3343 want_vtbl_backref,
3344 want_vtbl_utf8
dc9e4912
GS		 3345};
3346
85e6fe83
LW		 3347 /* Note: the lowest 8 bits are reserved for
3348 stuffing into op->op_private */
f3aa04c2 3349#define HINT_PRIVATE_MASK 0x000000ff
1da2d140
JH		 3350#define HINT_INTEGER 0x00000001 /* integer pragma */
3351#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3352#define HINT_LOCALE 0x00000004 /* locale pragma */
3353#define HINT_BYTES 0x00000008 /* bytes pragma */
393fec97 3354/* #define HINT_notused10 0x00000010 */
a0ed51b3 3355 /* Note: 20,40,80 used for NATIVE_HINTS */
1da2d140 3356 /* currently defined by vms/vmsish.h */
85e6fe83
LW		 3357
3358#define HINT_BLOCK_SCOPE 0x00000100
1da2d140
JH		 3359#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3360#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
85e6fe83 3361
1da2d140 3362/* The HINT_NEW_* constants are used by the overload pragma */
b3ac6de7
IZ		 3363#define HINT_NEW_INTEGER 0x00001000
3364#define HINT_NEW_FLOAT 0x00002000
3365#define HINT_NEW_BINARY 0x00004000
3366#define HINT_NEW_STRING 0x00008000
3367#define HINT_NEW_RE 0x00010000
3368#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3369
1da2d140
JH		 3370#define HINT_RE_TAINT 0x00100000 /* re pragma */
3371#define HINT_RE_EVAL 0x00200000 /* re pragma */
b3eb6a9b 3372
1da2d140
JH		 3373#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3374#define HINT_UTF8 0x00800000 /* utf8 pragma */
5ff3f7a4 3375
1da2d140 3376/* The following are stored in $sort::hints, not in PL_hints */
84d4ea48
JH		 3377#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3378#define HINT_SORT_QUICKSORT 0x00000001
3379#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3380#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3381
8bfdd7d9 3382/* Various states of the input record separator SV (rs) */
d4cce5f1 3383#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3384#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3385#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3386#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3387
128e8167 3388/* A struct for keeping various DEBUGGING related stuff,
ce333219 3389 * neatly packed. Currently only scratch variables for
128e8167
JH		 3390 * constructing debug output are included. Needed always,
3391 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3392struct perl_debug_pad {
3393 SV pad[3];
3394};
3395
3396#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3397#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3398
56953603 3399/* Enable variables which are pointers to functions */
a2efc822 3400typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3401typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3402typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3403 char* strend, char* strbeg, I32 minend,
3404 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3405typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3406 char *strpos, char *strend,
3407 U32 flags,
3408 struct re_scream_pos_data_s *d);
3409typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3410typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3411
c76ac1ee 3412typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3413typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3414typedef void (*SVFUNC_t) (pTHX_ SV*);
3415typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3416typedef void (*XSINIT_t) (pTHX);
3417typedef void (*ATEXIT_t) (pTHX_ void*);
3418typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3419
22239a37
NIS		 3420/* Set up PERLVAR macros for populating structs */
3421#define PERLVAR(var,type) type var;
51371543 3422#define PERLVARA(var,n,type) type var[n];
22239a37 3423#define PERLVARI(var,type,init) type var;
3fe35a81 3424#define PERLVARIC(var,type,init) type var;
22239a37 3425
58a50f62
GS		 3426/* Interpreter exitlist entry */
3427typedef struct exitlistentry {
acfe0abc 3428 void (*fn) (pTHX_ void*);
58a50f62
GS		 3429 void *ptr;
3430} PerlExitListEntry;
3431
22239a37
NIS		 3432#ifdef PERL_GLOBAL_STRUCT
3433struct perl_vars {
7766f137 3434# include "perlvars.h"
22239a37
NIS		 3435};
3436
7766f137 3437# ifdef PERL_CORE
533c011a
NIS		 3438EXT struct perl_vars PL_Vars;
3439EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3440# else /* PERL_CORE */
3441# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3442EXT
7766f137 3443# endif /* WIN32 */
533c011a 3444struct perl_vars *PL_VarsPtr;
7766f137
GS		 3445# define PL_Vars (*((PL_VarsPtr) \
3446 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3447# endif /* PERL_CORE */
22239a37
NIS		 3448#endif /* PERL_GLOBAL_STRUCT */
3449
acfe0abc 3450#if defined(MULTIPLICITY)
d460ef45 3451/* If we have multiple interpreters define a struct
d4cce5f1 3452 holding variables which must be per-interpreter
d460ef45 3453 If we don't have threads anything that would have
d4cce5f1
NIS		 3454 be per-thread is per-interpreter.
3455*/
3456
79072805 3457struct interpreter {
4d1ff10f 3458# ifndef USE_5005THREADS
7766f137
GS		 3459# include "thrdvar.h"
3460# endif
3461# include "intrpvar.h"
3462/*
3463 * The following is a buffer where new variables must
acfe0abc 3464 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3465 */
3466PERLVARA(object_compatibility,30, char)
49f531da 3467};
d4cce5f1 3468
79072805 3469#else
49f531da
NIS		 3470struct interpreter {
3471 char broiled;
3472};
acfe0abc 3473#endif /* MULTIPLICITY */
79072805 3474
4d1ff10f 3475#ifdef USE_5005THREADS
d4cce5f1
NIS		 3476/* If we have threads define a struct with all the variables
3477 * that have to be per-thread
49f531da 3478 */
8023c3ce 3479
79072805 3480
49f531da 3481struct perl_thread {
49f531da 3482#include "thrdvar.h"
79072805 3483};
d4cce5f1 3484
22fae026
TM		 3485typedef struct perl_thread *Thread;
3486
3487#else
3488typedef void *Thread;
22239a37
NIS		 3489#endif
3490
3491/* Done with PERLVAR macros for now ... */
d4cce5f1 3492#undef PERLVAR
51371543 3493#undef PERLVARA
d4cce5f1 3494#undef PERLVARI
3fe35a81 3495#undef PERLVARIC
79072805 3496
cf168e39
WL		 3497/* Types used by pack/unpack */
3498typedef enum {
3499 e_no_len, /* no length */
3500 e_number, /* number, [] */
3501 e_star /* asterisk */
3502} howlen_t;
3503
3504typedef struct {
3505 char* patptr; /* current template char */
3506 char* patend; /* one after last char */
3507 char* grpbeg; /* 1st char of ()-group */
3508 char* grpend; /* end of ()-group */
3509 I32 code; /* template code (!) */
3510 I32 length; /* length/repeat count */
3511 howlen_t howlen; /* how length is given */
3512 int level; /* () nesting level */
3513 U32 flags; /* /=4, comma=2, pack=1 */
3514} tempsym_t;
3515
22239a37 3516#include "thread.h"
79072805 3517#include "pp.h"
864dbfa3
GS		 3518
3519#ifndef PERL_CALLCONV
3520# define PERL_CALLCONV
d460ef45 3521#endif
864dbfa3 3522
65f19062
GS		 3523#ifndef NEXT30_NO_ATTRIBUTE
3524# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3525# ifdef __attribute__ /* Avoid possible redefinition errors */
3526# undef __attribute__
3527# endif
3528# define __attribute__(attr)
3529# endif
3530#endif
3531
0cb96387
GS		 3532#undef PERL_CKDEF
3533#undef PERL_PPDEF
3534#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3535#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3536
7766f137 3537#include "proto.h"
864dbfa3 3538
0cb96387 3539/* this has structure inits, so it cannot be included before here */
acfe0abc 3540#include "opcode.h"
864dbfa3 3541
d4cce5f1
NIS		 3542/* The following must follow proto.h as #defines mess up syntax */
3543
22c35a8c
GS		 3544#if !defined(PERL_FOR_X2P)
3545# include "embedvar.h"
3546#endif
d4cce5f1 3547
d460ef45 3548/* Now include all the 'global' variables
d4cce5f1 3549 * If we don't have threads or multiple interpreters
d460ef45 3550 * these include variables that would have been their struct-s
d4cce5f1 3551 */
d460ef45 3552
533c011a 3553#define PERLVAR(var,type) EXT type PL_##var;
51371543 3554#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3555#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3556#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3557
acfe0abc 3558#if !defined(MULTIPLICITY)
7766f137 3559START_EXTERN_C
066ef5b5 3560# include "intrpvar.h"
4d1ff10f 3561# ifndef USE_5005THREADS
066ef5b5
GS		 3562# include "thrdvar.h"
3563# endif
7766f137 3564END_EXTERN_C
22239a37
NIS		 3565#endif
3566
acfe0abc 3567#if defined(WIN32)
66a93824 3568/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3569# include "embed.h"
acfe0abc 3570#endif
22239a37 3571
c5be433b
GS		 3572#ifndef PERL_GLOBAL_STRUCT
3573START_EXTERN_C
3574
3575# include "perlvars.h"
3576
3577END_EXTERN_C
3578#endif
3579
d4cce5f1 3580#undef PERLVAR
51371543 3581#undef PERLVARA
d4cce5f1 3582#undef PERLVARI
0f3f18a6 3583#undef PERLVARIC
79072805 3584
73c4f7a1
GS		 3585START_EXTERN_C
3586
79072805 3587#ifdef DOINIT
bbce6d69 3588
68795e93 3589EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3590 MEMBER_TO_FPTR(Perl_magic_set),
3591 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3592 0, 0};
2b260de0
GS		 3593EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3594 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3595 0};
2b260de0
GS		 3596EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3597 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3598 0};
22c35a8c 3599EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3600#ifdef PERL_MICRO
3601EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3602#else
2b260de0
GS		 3603EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3604 MEMBER_TO_FPTR(Perl_magic_setsig),
3605 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3606 0};
64ca3a65 3607#endif
68795e93
NIS		 3608EXT MGVTBL PL_vtbl_pack = {0, 0,
3609 MEMBER_TO_FPTR(Perl_magic_sizepack),
3610 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3611 0};
2b260de0 3612EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3613 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3614 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3615 0};
2b260de0 3616EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3617 0, 0, 0};
2b260de0
GS		 3618EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3619 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3620 0};
2b260de0 3621EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3622 0, 0, 0};
2b260de0
GS		 3623EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3624 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3625 0, 0, 0};
2b260de0
GS		 3626EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3627 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3628 0, 0, 0};
2b260de0 3629EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3630 0, 0, 0};
2b260de0
GS		 3631EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3632 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3633 0, 0, 0};
68795e93
NIS		 3634EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3635 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3636 0, 0, 0};
68795e93
NIS		 3637EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3638 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3639 0, 0, 0};
2b260de0 3640EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3641 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3642 0, 0, 0};
2b260de0
GS		 3643EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3644 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3645 0, 0, 0};
2b260de0 3646EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3647 0, 0, 0};
2b260de0 3648EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3649 0, 0, 0};
2b260de0
GS		 3650EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3651 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3652 0, 0, 0};
4d1ff10f 3653#ifdef USE_5005THREADS
68795e93
NIS		 3654EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3655 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3656#endif /* USE_5005THREADS */
68795e93
NIS		 3657EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3658 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3659 0, 0, 0};
a0d0e21e 3660
5835a535 3661EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
2b260de0 3662EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3663EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3664 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3665
36477c24 3666#ifdef USE_LOCALE_COLLATE
22c35a8c 3667EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3668 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3669 0, 0, 0};
3670#endif
a0d0e21e 3671
2b260de0
GS		 3672EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3673 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3674EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3675 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3676
810b8aa5 3677EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3678 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3679
d460ef45
NIS		 3680EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3681 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3682
323eb6b5
JH		 3683EXT MGVTBL PL_vtbl_utf8 = {0,
3684 MEMBER_TO_FPTR(Perl_magic_setutf8),
3685 0, 0, 0};
3686
bbce6d69 3687#else /* !DOINIT */
3688
22c35a8c
GS		 3689EXT MGVTBL PL_vtbl_sv;
3690EXT MGVTBL PL_vtbl_env;
3691EXT MGVTBL PL_vtbl_envelem;
3692EXT MGVTBL PL_vtbl_sig;
3693EXT MGVTBL PL_vtbl_sigelem;
3694EXT MGVTBL PL_vtbl_pack;
3695EXT MGVTBL PL_vtbl_packelem;
3696EXT MGVTBL PL_vtbl_dbline;
3697EXT MGVTBL PL_vtbl_isa;
3698EXT MGVTBL PL_vtbl_isaelem;
3699EXT MGVTBL PL_vtbl_arylen;
3700EXT MGVTBL PL_vtbl_glob;
3701EXT MGVTBL PL_vtbl_mglob;
3702EXT MGVTBL PL_vtbl_nkeys;
3703EXT MGVTBL PL_vtbl_taint;
3704EXT MGVTBL PL_vtbl_substr;
3705EXT MGVTBL PL_vtbl_vec;
3706EXT MGVTBL PL_vtbl_pos;
3707EXT MGVTBL PL_vtbl_bm;
3708EXT MGVTBL PL_vtbl_fm;
3709EXT MGVTBL PL_vtbl_uvar;
d460ef45 3710EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3711
4d1ff10f 3712#ifdef USE_5005THREADS
22c35a8c 3713EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3714#endif /* USE_5005THREADS */
f93b4edd 3715
22c35a8c
GS		 3716EXT MGVTBL PL_vtbl_defelem;
3717EXT MGVTBL PL_vtbl_regexp;
3718EXT MGVTBL PL_vtbl_regdata;
3719EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3720
36477c24 3721#ifdef USE_LOCALE_COLLATE
22c35a8c 3722EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3723#endif
a0d0e21e 3724
22c35a8c
GS		 3725EXT MGVTBL PL_vtbl_amagic;
3726EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3727
810b8aa5 3728EXT MGVTBL PL_vtbl_backref;
323eb6b5 3729EXT MGVTBL PL_vtbl_utf8;
810b8aa5 3730
bbce6d69 3731#endif /* !DOINIT */
85e6fe83 3732
f5284f61
IZ		 3733enum {
3734 fallback_amg, abs_amg,
3735 bool__amg, nomethod_amg,
3736 string_amg, numer_amg,
3737 add_amg, add_ass_amg,
3738 subtr_amg, subtr_ass_amg,
3739 mult_amg, mult_ass_amg,
3740 div_amg, div_ass_amg,
3741 modulo_amg, modulo_ass_amg,
3742 pow_amg, pow_ass_amg,
3743 lshift_amg, lshift_ass_amg,
3744 rshift_amg, rshift_ass_amg,
3745 band_amg, band_ass_amg,
3746 bor_amg, bor_ass_amg,
3747 bxor_amg, bxor_ass_amg,
3748 lt_amg, le_amg,
3749 gt_amg, ge_amg,
3750 eq_amg, ne_amg,
3751 ncmp_amg, scmp_amg,
3752 slt_amg, sle_amg,
3753 sgt_amg, sge_amg,
3754 seq_amg, sne_amg,
3755 not_amg, compl_amg,
3756 inc_amg, dec_amg,
3757 atan2_amg, cos_amg,
3758 sin_amg, exp_amg,
3759 log_amg, sqrt_amg,
3760 repeat_amg, repeat_ass_amg,
3761 concat_amg, concat_ass_amg,
3762 copy_amg, neg_amg,
3763 to_sv_amg, to_av_amg,
3764 to_hv_amg, to_gv_amg,
d460ef45 3765 to_cv_amg, iter_amg,
f216259d
IZ		 3766 int_amg, DESTROY_amg,
3767 max_amg_code
64a0062a 3768 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3769};
3770
3771#define NofAMmeth max_amg_code
89ffc314 3772#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3773
a0d0e21e 3774#ifdef DOINIT
22c35a8c 3775EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3776 /* Names kept in the symbol table. fallback => "()", the rest has
3777 "(" prepended. The only other place in perl which knows about
3778 this convention is AMG_id2name (used for debugging output and
3779 'nomethod' only), the only other place which has it hardwired is
3780 overload.pm. */
3781 "()", "(abs", /* "fallback" should be the first. */
3782 "(bool", "(nomethod",
3783 "(\"\"", "(0+",
3784 "(+", "(+=",
3785 "(-", "(-=",
3786 "(*", "(*=",
3787 "(/", "(/=",
3788 "(%", "(%=",
3789 "(**", "(**=",
3790 "(<<", "(<<=",
3791 "(>>", "(>>=",
3792 "(&", "(&=",
3793 "(|", "(|=",
3794 "(^", "(^=",
3795 "(<", "(<=",
3796 "(>", "(>=",
3797 "(==", "(!=",
3798 "(<=>", "(cmp",
3799 "(lt", "(le",
3800 "(gt", "(ge",
3801 "(eq", "(ne",
3802 "(!", "(~",
3803 "(++", "(--",
3804 "(atan2", "(cos",
3805 "(sin", "(exp",
3806 "(log", "(sqrt",
3807 "(x", "(x=",
3808 "(.", "(.=",
3809 "(=", "(neg",
3810 "(${}", "(@{}",
3811 "(%{}", "(*{}",
3812 "(&{}", "(<>",
f216259d 3813 "(int", "DESTROY",
a0d0e21e
LW		 3814};
3815#else
22c35a8c 3816EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3817#endif /* def INITAMAGIC */
3818
73c4f7a1
GS		 3819END_EXTERN_C
3820
a6006777 3821struct am_table {
eb160463 3822 U32 was_ok_sub;
a0d0e21e 3823 long was_ok_am;
a6006777 3824 U32 flags;
3825 CV* table[NofAMmeth];
a0d0e21e
LW		 3826 long fallback;
3827};
a6006777 3828struct am_table_short {
eb160463 3829 U32 was_ok_sub;
a6006777 3830 long was_ok_am;
3831 U32 flags;
3832};
a0d0e21e 3833typedef struct am_table AMT;
a6006777 3834typedef struct am_table_short AMTS;
a0d0e21e
LW		 3835
3836#define AMGfallNEVER 1
3837#define AMGfallNO 2
3838#define AMGfallYES 3
3839
a6006777 3840#define AMTf_AMAGIC 1
32251b26 3841#define AMTf_OVERLOADED 2
a6006777 3842#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3843#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3844#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3845#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3846#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3847#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3848
32251b26 3849#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3850
3851/*
3852 * some compilers like to redefine cos et alia as faster
3853 * (and less accurate?) versions called F_cos et cetera (Quidquid
3854 * latine dictum sit, altum viditur.) This trick collides with
3855 * the Perl overloading (amg). The following #defines fool both.
3856 */
3857
3858#ifdef _FASTMATH
3859# ifdef atan2
3860# define F_atan2_amg atan2_amg
3861# endif
3862# ifdef cos
3863# define F_cos_amg cos_amg
3864# endif
3865# ifdef exp
3866# define F_exp_amg exp_amg
3867# endif
3868# ifdef log
3869# define F_log_amg log_amg
3870# endif
3871# ifdef pow
3872# define F_pow_amg pow_amg
3873# endif
3874# ifdef sin
3875# define F_sin_amg sin_amg
3876# endif
3877# ifdef sqrt
3878# define F_sqrt_amg sqrt_amg
3879# endif
3880#endif /* _FASTMATH */
3881
83ee9e09
GS		 3882#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3883 PERLDBf_NOOPT | PERLDBf_INTER | \
3884 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3885 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3886 /* No _NONAME, _GOTO */
3887#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3888#define PERLDBf_LINE 0x02 /* Keep line # */
3889#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3890#define PERLDBf_INTER 0x08 /* Preserve more data for
3891 later inspections */
3892#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3893#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3894#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3895#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3896#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3897#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3898
3280af22
NIS		 3899#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3900#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3901#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3902#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3903#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3904#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3905#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3906#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3907#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3908#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3909
bbce6d69 3910
36477c24 3911#ifdef USE_LOCALE_NUMERIC
bbce6d69 3912
36477c24 3913#define SET_NUMERIC_STANDARD() \
ff4fed7c 3914 set_numeric_standard();
36477c24 3915
3916#define SET_NUMERIC_LOCAL() \
ff4fed7c 3917 set_numeric_local();
bbce6d69 3918
2de3dbcc
JH		 3919#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3920#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3921
3922#define IN_LOCALE \
3923 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3924
f93f4e46 3925#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3926 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3927 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3928
3929#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3930 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3931 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3932
3933#define RESTORE_NUMERIC_LOCAL() \
3934 if (was_local) SET_NUMERIC_LOCAL();
3935
3936#define RESTORE_NUMERIC_STANDARD() \
3937 if (was_standard) SET_NUMERIC_STANDARD();
3938
5b877257 3939#define Atof my_atof
097ee67d 3940
36477c24 3941#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3942
097ee67d
JH		 3943#define SET_NUMERIC_STANDARD() /**/
3944#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3945#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3946#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3947#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3948#define RESTORE_NUMERIC_LOCAL() /**/
3949#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3950#define Atof my_atof
ad3e0f90 3951#define IN_LOCALE_RUNTIME 0
bbce6d69 3952
36477c24 3953#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3954
079290de 3955#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3956# ifdef __hpux
3957# define strtoll __strtoll /* secret handshake */
3958# endif
c623ac67
GS		 3959# ifdef WIN64
3960# define strtoll _strtoi64 /* secret handshake */
3961# endif
079290de
GS		 3962# if !defined(Strtol) && defined(HAS_STRTOLL)
3963# define Strtol strtoll
ad551343 3964# endif
28e5dec8
JH		 3965# if !defined(Strtol) && defined(HAS_STRTOQ)
3966# define Strtol strtoq
3967# endif
ff935051 3968/* is there atoq() anywhere? */
15b99d39 3969#endif
079290de
GS		 3970#if !defined(Strtol) && defined(HAS_STRTOL)
3971# define Strtol strtol
3972#endif
3973#ifndef Atol
3974/* It would be more fashionable to use Strtol() to define atol()
3975 * (as is done for Atoul(), see below) but for backward compatibility
3976 * we just assume atol(). */
76b882ba 3977# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3978# ifdef WIN64
3979# define atoll _atoi64 /* secret handshake */
3980# endif
76b882ba
JH		 3981# define Atol atoll
3982# else
3983# define Atol atol
3984# endif
cf2093f6
JH		 3985#endif
3986
55eb892c 3987#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3988# ifdef __hpux
3989# define strtoull __strtoull /* secret handshake */
3990# endif
c623ac67
GS		 3991# ifdef WIN64
3992# define strtoull _strtoui64 /* secret handshake */
3993# endif
ad551343 3994# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3995# define Strtoul strtoull
15b99d39 3996# endif
079290de
GS		 3997# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3998# define Strtoul strtouq
3999# endif
76d49b1c 4000/* is there atouq() anywhere? */
ad551343 4001#endif
079290de
GS		 4002#if !defined(Strtoul) && defined(HAS_STRTOUL)
4003# define Strtoul strtoul
cf2093f6 4004#endif
079290de
GS		 4005#ifndef Atoul
4006# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 4007#endif
cf2093f6 4008
760ac839 4009
06d86050
GS		 4010/* if these never got defined, they need defaults */
4011#ifndef PERL_SET_CONTEXT
4012# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
4013#endif
4014
4015#ifndef PERL_GET_CONTEXT
4016# define PERL_GET_CONTEXT PERL_GET_INTERP
4017#endif
4018
4019#ifndef PERL_GET_THX
4020# define PERL_GET_THX ((void*)NULL)
4021#endif
4022
4023#ifndef PERL_SET_THX
4024# define PERL_SET_THX(t) NOOP
4025#endif
4026
a868473f
NIS		 4027#ifndef PERL_SCRIPT_MODE
4028#define PERL_SCRIPT_MODE "r"
4029#endif
4030
fba3b22e 4031/*
da927450
JH		 4032 * Some operating systems are stingy with stack allocation,
4033 * so perl may have to guard against stack overflow.
4034 */
4035#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 4036#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 4037#endif
4038
4039/*
4040 * Some nonpreemptive operating systems find it convenient to
4041 * check for asynchronous conditions after each op execution.
4042 * Keep this check simple, or it may slow down execution
4043 * massively.
4044 */
ce08f86c 4045
1d615522 4046#ifndef PERL_MICRO
5835a535
JH		 4047# ifndef PERL_ASYNC_CHECK
4048# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4049# endif
ce08f86c
NIS		 4050#endif
4051
da927450 4052#ifndef PERL_ASYNC_CHECK
1d615522 4053# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 4054#endif
4055
4056/*
4057 * On some operating systems, a memory allocation may succeed,
4058 * but put the process too close to the system's comfort limit.
4059 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4060 * it to NULL.
4061 */
4062#ifndef PERL_ALLOC_CHECK
c2af87cb 4063#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 4064#endif
4065
4066/*
fba3b22e
MB		 4067 * nice_chunk and nice_chunk size need to be set
4068 * and queried under the protection of sv_mutex
4069 */
30ad99e7
MJD		 4070#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
4071 void *new_chunk; \
4072 U32 new_chunk_size; \
4073 LOCK_SV_MUTEX; \
4074 new_chunk = (void *)(chunk); \
4075 new_chunk_size = (chunk_size); \
4076 if (new_chunk_size > PL_nice_chunk_size) { \
4077 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
4078 PL_nice_chunk = new_chunk; \
4079 PL_nice_chunk_size = new_chunk_size; \
4080 } else { \
4081 Safefree(chunk); \
4082 } \
4083 UNLOCK_SV_MUTEX; \
4084 } STMT_END
fba3b22e 4085
bd89102f
AD		 4086#ifdef HAS_SEM
4087# include <sys/ipc.h>
4088# include <sys/sem.h>
4089# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4090 union semun {
dbba660d
TC		 4091 int val;
4092 struct semid_ds *buf;
4093 unsigned short *array;
bd89102f
AD		 4094 };
4095# endif
4096# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 4097# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4098 union gccbug_semun {
4099 int val;
4100 struct semid_ds *buf;
4101 unsigned short *array;
4102 char __dummy[5];
4103 };
4104# define semun gccbug_semun
4105# endif
bd89102f
AD		 4106# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4107# else
4108# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 4109# ifdef EXTRA_F_IN_SEMUN_BUF
4110# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4111# else
4112# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4113# endif
bd89102f
AD		 4114# endif
4115# endif
bd89102f 4116#endif
49f531da 4117
89ca4ac7
JH		 4118/*
4119 * Boilerplate macros for initializing and accessing interpreter-local
4120 * data from C. All statics in extensions should be reworked to use
4121 * this, if you want to make the extension thread-safe. See ext/re/re.xs
9f650e94 4122 * for an example of the use of these macros, and perlxs.pod for more.
89ca4ac7
JH		 4123 *
4124 * Code that uses these macros is responsible for the following:
43a739c2
JH		 4125 * 1. #define MY_CXT_KEY to a unique string, e.g.
4126 * "DynaLoader::_guts" XS_VERSION
89ca4ac7
JH		 4127 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4128 * all the data that needs to be interpreter-local.
4129 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4130 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4131 * (typically put in the BOOT: section).
4132 * 5. Use the members of the my_cxt_t structure everywhere as
4133 * MY_CXT.member.
4134 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4135 * access MY_CXT.
4136 */
4137
fc958cd2 4138#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 4139
4140/* This must appear in all extensions that define a my_cxt_t structure,
4141 * right after the definition (i.e. at file scope). The non-threads
4142 * case below uses it to declare the data as static. */
4143#define START_MY_CXT
4144
4145/* Fetches the SV that keeps the per-interpreter data. */
4146#define dMY_CXT_SV \
4147 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4148 sizeof(MY_CXT_KEY)-1, TRUE)
4149
4150/* This declaration should be used within all functions that use the
4151 * interpreter-local data. */
4152#define dMY_CXT \
4153 dMY_CXT_SV; \
ec0e15e0 4154 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 4155
4156/* Creates and zeroes the per-interpreter data.
4157 * (We allocate my_cxtp in a Perl SV so that it will be released when
4158 * the interpreter goes away.) */
4159#define MY_CXT_INIT \
4160 dMY_CXT_SV; \
4161 /* newSV() allocates one more than needed */ \
4162 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4163 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 4164 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 4165
4166/* This macro must be used to access members of the my_cxt_t structure.
4167 * e.g. MYCXT.some_data */
4168#define MY_CXT (*my_cxtp)
4169
4170/* Judicious use of these macros can reduce the number of times dMY_CXT
4171 * is used. Use is similar to pTHX, aTHX etc. */
4172#define pMY_CXT my_cxt_t *my_cxtp
4173#define pMY_CXT_ pMY_CXT,
4174#define _pMY_CXT ,pMY_CXT
4175#define aMY_CXT my_cxtp
4176#define aMY_CXT_ aMY_CXT,
4177#define _aMY_CXT ,aMY_CXT
4178
4179#else /* USE_ITHREADS */
4180
4181#define START_MY_CXT static my_cxt_t my_cxt;
4182#define dMY_CXT_SV dNOOP
4183#define dMY_CXT dNOOP
4184#define MY_CXT_INIT NOOP
4185#define MY_CXT my_cxt
4186
4187#define pMY_CXT void
4188#define pMY_CXT_
4189#define _pMY_CXT
4190#define aMY_CXT
4191#define aMY_CXT_
4192#define _aMY_CXT
4193
4194#endif /* !defined(USE_ITHREADS) */
4195
9a34ef1d
GS		 4196#ifdef I_FCNTL
4197# include <fcntl.h>
9a34ef1d
GS		 4198#endif
4199
4200#ifdef I_SYS_FILE
4201# include <sys/file.h>
4202#endif
4203
fa0a29af 4204#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4205int flock(int fd, int op);
4206#endif
4207
fe52b3b7
GS		 4208#ifndef O_RDONLY
4209/* Assume UNIX defaults */
4210# define O_RDONLY 0000
4211# define O_WRONLY 0001
4212# define O_RDWR 0002
4213# define O_CREAT 0100
4214#endif
9a34ef1d 4215
16fe6d59
GS		 4216#ifndef O_BINARY
4217# define O_BINARY 0
4218#endif
4219
4220#ifndef O_TEXT
4221# define O_TEXT 0
4222#endif
4223
6ce75a77
JH		 4224#if O_TEXT != O_BINARY
4225 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4226 * that is, you are somehow DOSish. */
6d061c82 4227# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
a6e45062
JH		 4228 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4229 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4230 /* VOS has O_TEXT != O_BINARY, and they have effect,
4231 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4232 /* If you have O_TEXT different from your O_BINARY but you still are
4233 * not a CRLF shop. */
35990314 4234# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4235# else
4236 /* If you really are DOSish. */
4237# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4238# endif
4239#endif
4240
104d25b7
JH		 4241#ifdef IAMSUID
4242
4243#ifdef I_SYS_STATVFS
9f982a77
IG		 4244# if defined(PERL_SCO) && !defined(_SVID3)
4245# define _SVID3
4246# endif
32b3cf08
JH		 4247# include <sys/statvfs.h> /* for f?statvfs() */
4248#endif
4249#ifdef I_SYS_MOUNT
4250# include <sys/mount.h> /* for *BSD f?statfs() */
4251#endif
4252#ifdef I_MNTENT
4253# include <mntent.h> /* for getmntent() */
104d25b7 4254#endif
0545a864
JH		 4255#ifdef I_SYS_STATFS
4256# include <sys/statfs.h> /* for some statfs() */
4257#endif
4258#ifdef I_SYS_VFS
8d9e1a19
GS		 4259# ifdef __sgi
4260# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4261# endif
4262# include <sys/vfs.h> /* for some statfs() */
4263# ifdef __sgi
4264# undef IRIX_sv
4265# endif
0545a864
JH		 4266#endif
4267#ifdef I_USTAT
4268# include <ustat.h> /* for ustat() */
4269#endif
4270
4271#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4272# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4273#endif
4274#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4275# define PERL_MOUNT_NOSUID MNT_NOSUID
4276#endif
4277#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4278# define PERL_MOUNT_NOSUID MS_NOSUID
4279#endif
4280#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4281# define PERL_MOUNT_NOSUID M_NOSUID
4282#endif
104d25b7
JH		 4283
4284#endif /* IAMSUID */
4285
4bc88a62
PS		 4286#ifdef I_LIBUTIL
4287# include <libutil.h> /* setproctitle() in some FreeBSDs */
4288#endif
4289
b4748376
NIS		 4290#ifndef EXEC_ARGV_CAST
4291#define EXEC_ARGV_CAST(x) x
4292#endif
4293
dd5dc04f
JH		 4294#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4295 int). value returned in pointed-
4296 to UV */
4297#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4298#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4299#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4300#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4301#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4302
4303#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4304
53305cf1
NC		 4305/* Input flags: */
4306#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4307#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
a77f7f8b 4308#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
53305cf1
NC		 4309/* Output flags: */
4310#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4311
2c4f7f0e
DM		 4312/* to let user control profiling */
4313#ifdef PERL_GPROF_CONTROL
4314extern void moncontrol(int);
4315#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4316#else
4317#define PERL_GPROF_MONCONTROL(x)
4318#endif
4319
ae0e3d3b
JH		 4320#ifdef UNDER_CE
4321#include "wince.h"
4322#endif
4323
4324/* ISO 6429 NEL - C1 control NExt Line */
4325/* See http://www.unicode.org/unicode/reports/tr13/ */
4326#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4327# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4328# define NEXT_LINE_CHAR 0x15
4329# else /* CDRA */
4330# define NEXT_LINE_CHAR 0x25
4331# endif
4332#else
4333# define NEXT_LINE_CHAR 0x85
4334#endif
4335
4336/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4337#define UNICODE_LINE_SEPA_0 0xE2
4338#define UNICODE_LINE_SEPA_1 0x80
4339#define UNICODE_LINE_SEPA_2 0xA8
4340#define UNICODE_PARA_SEPA_0 0xE2
4341#define UNICODE_PARA_SEPA_1 0x80
4342#define UNICODE_PARA_SEPA_2 0xA9
4343
43af864e
JH		 4344#ifndef PIPESOCK_MODE
4345# define PIPESOCK_MODE
4346#endif
4347
323eb6b5
JH		 4348#define PERL_MAGIC_UTF8_CACHESIZE 2
4349
f8bb70a6
JH		 4350#define PERL_UNICODE_STDIN_FLAG 0x0001
4351#define PERL_UNICODE_STDOUT_FLAG 0x0002
4352#define PERL_UNICODE_STDERR_FLAG 0x0004
f8bb70a6
JH		 4353#define PERL_UNICODE_IN_FLAG 0x0008
4354#define PERL_UNICODE_OUT_FLAG 0x0010
d2aaa77e 4355#define PERL_UNICODE_ARGV_FLAG 0x0020
f8bb70a6
JH		 4356#define PERL_UNICODE_LOCALE_FLAG 0x0040
4357#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4358
d2aaa77e
JH		 4359#define PERL_UNICODE_STD_FLAG \
4360 (PERL_UNICODE_STDIN_FLAG | \
4361 PERL_UNICODE_STDOUT_FLAG | \
4362 PERL_UNICODE_STDERR_FLAG)
4363
4364#define PERL_UNICODE_INOUT_FLAG \
4365 (PERL_UNICODE_IN_FLAG | \
4366 PERL_UNICODE_OUT_FLAG)
4367
4368#define PERL_UNICODE_DEFAULT_FLAGS \
f8bb70a6
JH		 4369 (PERL_UNICODE_STD_FLAG | \
4370 PERL_UNICODE_INOUT_FLAG | \
4371 PERL_UNICODE_LOCALE_FLAG)
4372
4373#define PERL_UNICODE_ALL_FLAGS 0x00ff
4374
4375#define PERL_UNICODE_STDIN 'I'
4376#define PERL_UNICODE_STDOUT 'O'
4377#define PERL_UNICODE_STDERR 'E'
4378#define PERL_UNICODE_STD 'S'
4379#define PERL_UNICODE_IN 'i'
4380#define PERL_UNICODE_OUT 'o'
4381#define PERL_UNICODE_INOUT 'D'
4382#define PERL_UNICODE_ARGV 'A'
4383#define PERL_UNICODE_LOCALE 'L'
4384#define PERL_UNICODE_WIDESYSCALLS 'W'
4385
5835a535
JH		 4386#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4387
4388/* From sigaction(2) (FreeBSD man page):
4389 * | Signal routines normally execute with the signal that
4390 * | caused their invocation blocked, but other signals may
4391 * | yet occur.
4392 * Emulation of this behavior (from within Perl) is enabled
4393 * by defining PERL_BLOCK_SIGNALS.
4394 */
4395#define PERL_BLOCK_SIGNALS
4396
4397#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4398# define PERL_BLOCKSIG_ADD(set,sig) \
4399 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4400# define PERL_BLOCKSIG_BLOCK(set) \
4401 sigprocmask(SIG_BLOCK, &(set), NULL)
4402# define PERL_BLOCKSIG_UNBLOCK(set) \
4403 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4404#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4405
4406/* How about the old style of sigblock()? */
4407
4408#ifndef PERL_BLOCKSIG_ADD
4409# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4410#endif
4411#ifndef PERL_BLOCKSIG_BLOCK
4412# define PERL_BLOCKSIG_BLOCK(set) NOOP
4413#endif
f0499ddf 4414#ifndef PERL_BLOCKSIG_UNBLOCK
5835a535
JH		 4415# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4416#endif
4417
6b6e5432 4418/* Use instead of abs() since abs() forces its argument to be an int,
d34f9d2e 4419 * but also beware since this evaluates its argument twice, so no x++. */
6b6e5432
JH		 4420#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4421
4d8076ea 4422/* and finally... */
cceca5ed 4423#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4424#include "patchlevel.h"
cceca5ed 4425#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4426
43999f95 4427/* Mention
d460ef45 4428
43999f95 4429 NV_PRESERVES_UV
fe749a9f 4430
fe749a9f
JH		 4431 HAS_MKSTEMP
4432 HAS_MKSTEMPS
4433 HAS_MKDTEMP
4434
49dabb45
JH		 4435 HAS_GETCWD
4436
d59b5429 4437 HAS_MMAP
fe749a9f
JH		 4438 HAS_MPROTECT
4439 HAS_MSYNC
1e8c3fde 4440 HAS_MADVISE
fe749a9f
JH		 4441 HAS_MUNMAP
4442 I_SYSMMAN
4443 Mmap_t
4444
6b4667fc
A		 4445 NVef
4446 NVff
4447 NVgf
4448
4e0554ec 4449 HAS_UALARM
2d736872 4450 HAS_USLEEP
4e0554ec
JH		 4451
4452 HAS_SETITIMER
4453 HAS_GETITIMER
4454
4455 HAS_SENDMSG
4456 HAS_RECVMSG
4457 HAS_READV
4458 HAS_WRITEV
4459 I_SYSUIO
4460 HAS_STRUCT_MSGHDR
4461 HAS_STRUCT_CMSGHDR
4462
2765b840 4463 HAS_NL_LANGINFO
0a7020c9 4464
ae0e3d3b 4465 HAS_DIRFD
2765b840 4466
43999f95
JH		 4467 so that Configure picks them up. */
4468
85e6fe83 4469#endif /* Include guard */
ae0e3d3b 4470
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