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a0d0e21e 1/* perl.h
a687059c 2 *
be3c0a43 3 * Copyright (c) 1987-2002, Larry Wall
a687059c 4 *
352d5a3a
LW		 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
d6376244 9
85e6fe83
LW		 10#ifndef H_PERL
11#define H_PERL 1
8d063cd8 12
760ac839
LW		 13#ifdef PERL_FOR_X2P
14/*
d460ef45 15 * This file is being used for x2p stuff.
760ac839 16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
d460ef45 17 * Decouple x2p stuff from some of perls more extreme eccentricities.
760ac839 18 */
55497cff 19#undef MULTIPLICITY
760ac839
LW		 20#undef USE_STDIO
21#define USE_STDIO
22#endif /* PERL_FOR_X2P */
23
95036ac7
JH		 24#if defined(DGUX)
25#include <sys/fcntl.h>
26#endif
27
0cb96387 28#define VOIDUSED 1
d460ef45 29#ifdef PERL_MICRO
12ae5dfc
JH		 30# include "uconfig.h"
31#else
32# include "config.h"
33#endif
0cb96387 34
aaacdc8b
GS		 35#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
36# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
37#endif
38
39/* XXX This next guard can disappear if the sources are revised
40 to use USE_5005THREADS throughout. -- A.D 1/6/2000
41*/
4d1ff10f
AB		 42#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
43# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
aaacdc8b
GS		 44#endif
45
2c2d71f5
JH		 46/* See L<perlguts/"The Perl API"> for detailed notes on
47 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
48
ac6bedea
JH		 49/* Note that from here --> to <-- the same logic is
50 * repeated in makedef.pl, so be certain to update
51 * both places when editing. */
52
ba979b31
NIS		 53#ifdef PERL_IMPLICIT_SYS
54/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
55 so use slab allocator to avoid lots of MUTEX overhead
56 */
6916a0ab
NIS		 57# ifndef PL_OP_SLAB_ALLOC
58# define PL_OP_SLAB_ALLOC
ba979b31
NIS		 59# endif
60#endif
61
6f4183fe 62#ifdef USE_ITHREADS
acfe0abc 63# if !defined(MULTIPLICITY)
6f4183fe
GS		 64# define MULTIPLICITY
65# endif
66#endif
67
4d1ff10f 68#ifdef USE_5005THREADS
c5be433b
GS		 69# ifndef PERL_IMPLICIT_CONTEXT
70# define PERL_IMPLICIT_CONTEXT
71# endif
c5be433b
GS		 72#endif
73
c5be433b
GS		 74#if defined(MULTIPLICITY)
75# ifndef PERL_IMPLICIT_CONTEXT
76# define PERL_IMPLICIT_CONTEXT
77# endif
c5be433b
GS		 78#endif
79
10bc17b6
JH		 80/* Use the reentrant APIs like localtime_r and getpwent_r */
81/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
9366f0ec 82#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(__APPLE__)
10bc17b6
JH		 83# define USE_REENTRANT_API
84#endif
85
ac6bedea
JH		 86/* <--- here ends the logic shared by perl.h and makedef.pl */
87
c5be433b 88#ifdef PERL_IMPLICIT_CONTEXT
4d1ff10f 89# ifdef USE_5005THREADS
c5be433b 90struct perl_thread;
24e8e624 91# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
c5be433b 92# define aTHX thr
411caa50 93# define dTHR dNOOP /* only backward compatibility */
fd89de3a 94# define dTHXa(a) pTHX = (struct perl_thread*)a
c5be433b 95# else
f63b9778
GS		 96# ifndef MULTIPLICITY
97# define MULTIPLICITY
98# endif
24e8e624 99# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
c5be433b 100# define aTHX my_perl
fd89de3a 101# define dTHXa(a) pTHX = (PerlInterpreter*)a
c5be433b 102# endif
fd89de3a 103# define dTHX pTHX = PERL_GET_THX
c5be433b 104# define pTHX_ pTHX,
c5be433b 105# define aTHX_ aTHX,
894356b3
GS		 106# define pTHX_1 2
107# define pTHX_2 3
108# define pTHX_3 4
109# define pTHX_4 5
c5be433b
GS		 110#endif
111
76e3520e
GS		 112#define STATIC static
113#define CPERLscope(x) x
565764a8 114#define CPERLarg void
76e3520e 115#define CPERLarg_
e3b8966e 116#define _CPERLarg
1d583055
GS		 117#define PERL_OBJECT_THIS
118#define _PERL_OBJECT_THIS
119#define PERL_OBJECT_THIS_
312caa8e 120#define CALL_FPTR(fptr) (*fptr)
76e3520e 121
312caa8e
CS		 122#define CALLRUNOPS CALL_FPTR(PL_runops)
123#define CALLREGCOMP CALL_FPTR(PL_regcompp)
124#define CALLREGEXEC CALL_FPTR(PL_regexecp)
f722798b
IZ		 125#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
126#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
127#define CALLREGFREE CALL_FPTR(PL_regfree)
14dd3ad8
GS		 128
129#ifdef PERL_FLEXIBLE_EXCEPTIONS
130# define CALLPROTECT CALL_FPTR(PL_protect)
131#endif
312caa8e 132
44dbb695 133#ifdef HASATTRIBUTE
3da75212
MB		 134# if defined(__GNUC__) && defined(__cplusplus)
135# define PERL_UNUSED_DECL
136# else
137# define PERL_UNUSED_DECL __attribute__((unused))
138# endif
44dbb695
JH		 139#else
140# define PERL_UNUSED_DECL
141#endif
142
349b520e
DM		 143/* gcc -Wall:
144 * for silencing unused variables that are actually used most of the time,
145 * but we cannot quite get rid of, such `ax' in PPCODE+noargs xsubs
146 */
147#define PERL_UNUSED_VAR(var) if (0) var = var
148
0cb96387 149#define NOOP (void)0
44dbb695 150#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
71be2cbc 151
0cb96387
GS		 152#ifndef pTHX
153# define pTHX void
154# define pTHX_
0cb96387
GS		 155# define aTHX
156# define aTHX_
0cb96387
GS		 157# define dTHXa(a) dNOOP
158# define dTHX dNOOP
894356b3
GS		 159# define pTHX_1 1
160# define pTHX_2 2
161# define pTHX_3 3
162# define pTHX_4 4
0cb96387
GS		 163#endif
164
b4f7f263
GS		 165/* these are only defined for compatibility; should not be used internally */
166#if !defined(pTHXo) && !defined(PERL_CORE)
0cb96387
GS		 167# define pTHXo pTHX
168# define pTHXo_ pTHX_
0cb96387
GS		 169# define aTHXo aTHX
170# define aTHXo_ aTHX_
c5be433b 171# define dTHXo dTHX
71d280e3 172# define dTHXoa(x) dTHXa(x)
0cb96387
GS		 173#endif
174
175#ifndef pTHXx
176# define pTHXx register PerlInterpreter *my_perl
177# define pTHXx_ pTHXx,
0cb96387
GS		 178# define aTHXx my_perl
179# define aTHXx_ aTHXx,
c5be433b 180# define dTHXx dTHX
22c35a8c 181#endif
71be2cbc 182
1de7c2ac
GS		 183/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
184 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
185 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
186#ifdef PERL_IMPLICIT_SYS
187# define dTHXs dTHX
188#else
189# define dTHXs dNOOP
190#endif
191
326b05e3
GS		 192#undef START_EXTERN_C
193#undef END_EXTERN_C
194#undef EXTERN_C
32f822de
GS		 195#ifdef __cplusplus
196# define START_EXTERN_C extern "C" {
197# define END_EXTERN_C }
198# define EXTERN_C extern "C"
199#else
d460ef45
NIS		 200# define START_EXTERN_C
201# define END_EXTERN_C
73c4f7a1 202# define EXTERN_C extern
32f822de
GS		 203#endif
204
462e5cf6
MB		 205#ifdef OP_IN_REGISTER
206# ifdef __GNUC__
207# define stringify_immed(s) #s
208# define stringify(s) stringify_immed(s)
d1ca3daa 209register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
462e5cf6
MB		 210# endif
211#endif
212
728e2803 213/*
214 * STMT_START { statements; } STMT_END;
215 * can be used as a single statement, as in
216 * if (x) STMT_START { ... } STMT_END; else ...
217 *
218 * Trying to select a version that gives no warnings...
219 */
220#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 221# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 222# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
223# define STMT_END )
224# else
225 /* Now which other defined()s do we need here ??? */
226# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
227# define STMT_START if (1)
228# define STMT_END else (void)0
229# else
230# define STMT_START do
231# define STMT_END while (0)
232# endif
233# endif
234#endif
235
0cb96387 236#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
411caa50 237#define WITH_THR(s) WITH_THX(s)
ea0efc06 238
55497cff 239/*
240 * SOFT_CAST can be used for args to prototyped functions to retain some
241 * type checking; it only casts if the compiler does not know prototypes.
242 */
243#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
244#define SOFT_CAST(type)
245#else
246#define SOFT_CAST(type) (type)
247#endif
79072805 248
6ee623d5 249#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
79072805
LW		 250# define BYTEORDER 0x1234
251#endif
252
253/* Overall memory policy? */
254#ifndef CONSERVATIVE
255# define LIBERAL 1
256#endif
257
8ada0baa
JH		 258#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
259#define ASCIIish
260#else
261#undef ASCIIish
262#endif
263
79072805
LW		 264/*
265 * The following contortions are brought to you on behalf of all the
266 * standards, semi-standards, de facto standards, not-so-de-facto standards
267 * of the world, as well as all the other botches anyone ever thought of.
268 * The basic theory is that if we work hard enough here, the rest of the
269 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
270 */
ac58e20f 271
ee0007ab 272/* define this once if either system, instead of cluttering up the src */
2986a63f 273#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
ee0007ab
LW		 274#define DOSISH 1
275#endif
276
2986a63f 277#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
352d5a3a
LW		 278# define STANDARD_C 1
279#endif
280
2986a63f 281#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE)
68dc0745 282# define DONT_DECLARE_STD 1
283#endif
284
352d5a3a 285#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 286# ifdef __cplusplus
cb69f87a 287# define VOL /* to temporarily suppress warnings */
79072805
LW		 288# else
289# define VOL volatile
290# endif
663a0e37 291#else
79072805 292# define VOL
663a0e37
LW		 293#endif
294
3280af22
NIS		 295#define TAINT (PL_tainted = TRUE)
296#define TAINT_NOT (PL_tainted = FALSE)
297#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
298#define TAINT_ENV() if (PL_tainting) { taint_env(); }
22c35a8c 299#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
a687059c 300
d460ef45 301/* XXX All process group stuff is handled in pp_sys.c. Should these
a6e633de 302 defines move there? If so, I could simplify this a lot. --AD 9/96.
303*/
304/* Process group stuff changed from traditional BSD to POSIX.
305 perlfunc.pod documents the traditional BSD-style syntax, so we'll
306 try to preserve that, if possible.
307*/
308#ifdef HAS_SETPGID
309# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 310#else
a6e633de 311# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
312# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
313# else
314# ifdef HAS_SETPGRP2 /* DG/UX */
315# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
316# endif
317# endif
318#endif
319#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
320# define HAS_SETPGRP /* Well, effectively it does . . . */
321#endif
322
323/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
324 our life easier :-) so we'll try it.
325*/
326#ifdef HAS_GETPGID
327# define BSD_GETPGRP(pid) getpgid((pid))
328#else
329# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
330# define BSD_GETPGRP(pid) getpgrp((pid))
331# else
332# ifdef HAS_GETPGRP2 /* DG/UX */
333# define BSD_GETPGRP(pid) getpgrp2((pid))
334# endif
335# endif
336#endif
337#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
338# define HAS_GETPGRP /* Well, effectively it does . . . */
339#endif
340
d460ef45 341/* These are not exact synonyms, since setpgrp() and getpgrp() may
a6e633de 342 have different behaviors, but perl.h used to define USE_BSDPGRP
343 (prior to 5.003_05) so some extension might depend on it.
344*/
345#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
346# ifndef USE_BSDPGRP
347# define USE_BSDPGRP
348# endif
663a0e37
LW		 349#endif
350
8ac5a1fe
MH		 351/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
352 pthread.h must be included before all other header files.
353*/
4d1ff10f 354#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
1feb2720 355 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
8ac5a1fe
MH		 356# include <pthread.h>
357#endif
358
760ac839
LW		 359#ifndef _TYPES_ /* If types.h defines this it's easy. */
360# ifndef major /* Does everyone's types.h define this? */
361# include <sys/types.h>
c07a80fd 362# endif
663a0e37
LW		 363#endif
364
760ac839
LW		 365#ifdef __cplusplus
366# ifndef I_STDARG
367# define I_STDARG 1
368# endif
369#endif
370
371#ifdef I_STDARG
372# include <stdarg.h>
373#else
374# ifdef I_VARARGS
375# include <varargs.h>
376# endif
377#endif
378
4633a7c4 379#ifdef USE_NEXT_CTYPE
0c30d9ec 380
092bebab
JH		 381#if NX_CURRENT_COMPILER_RELEASE >= 500
382# include <bsd/ctypes.h>
383#else
384# if NX_CURRENT_COMPILER_RELEASE >= 400
385# include <objc/NXCType.h>
386# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
387# include <appkit/NXCType.h>
388# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
389#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
0c30d9ec 390
391#else /* !USE_NEXT_CTYPE */
fe14fcc3 392#include <ctype.h>
0c30d9ec 393#endif /* USE_NEXT_CTYPE */
a0d0e21e
LW		 394
395#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
396#undef METHOD
a0d0e21e
LW		 397#endif
398
12ae5dfc
JH		 399#ifdef PERL_MICRO
400# define NO_LOCALE
401#endif
402
4633a7c4 403#ifdef I_LOCALE
36477c24 404# include <locale.h>
4633a7c4
LW		 405#endif
406
36477c24 407#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
408# define USE_LOCALE
409# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
410 && defined(HAS_STRXFRM)
411# define USE_LOCALE_COLLATE
412# endif
413# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
414# define USE_LOCALE_CTYPE
415# endif
416# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
417# define USE_LOCALE_NUMERIC
418# endif
419#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 420
fe14fcc3 421#include <setjmp.h>
79072805 422
a0d0e21e 423#ifdef I_SYS_PARAM
79072805
LW		 424# ifdef PARAM_NEEDS_TYPES
425# include <sys/types.h>
426# endif
427# include <sys/param.h>
352d5a3a 428#endif
79072805 429
79072805 430/* Use all the "standard" definitions? */
a0d0e21e 431#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 432# include <stdlib.h>
ff68c719 433#endif
03a14243 434
3f270f98
JH		 435/* If this causes problems, set i_unistd=undef in the hint file. */
436#ifdef I_UNISTD
437# include <unistd.h>
438#endif
439
7114a2d2 440#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
2ef53570
JH		 441int syscall(int, ...);
442#endif
443
7114a2d2 444#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
fa0a29af 445int usleep(unsigned int);
2ef53570
JH		 446#endif
447
9a34ef1d
GS		 448#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
449# define MYSWAP
450#endif
451
66a93824
NIS		 452/* Cannot include embed.h here on Win32 as win32.h has not
453 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
454 */
96e176bf 455#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
cea2e8a9
GS		 456# include "embed.h"
457#endif
458
c31fac66
GS		 459#define MEM_SIZE Size_t
460
51371543
GS		 461#if defined(STANDARD_C) && defined(I_STDDEF)
462# include <stddef.h>
463# define STRUCT_OFFSET(s,m) offsetof(s,m)
464#else
465# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
466#endif
467
468#if defined(I_STRING) || defined(__cplusplus)
469# include <string.h>
470#else
471# include <strings.h>
472#endif
473
55497cff 474/* This comes after <stdlib.h> so we don't try to change the standard
475 * library prototypes; we'll use our own in proto.h instead. */
03a14243 476
4633a7c4 477#ifdef MYMALLOC
86058a2d 478# ifdef PERL_POLLUTE_MALLOC
ee13e175 479# ifndef PERL_EXTMALLOC_DEF
86058a2d
GS		 480# define Perl_malloc malloc
481# define Perl_calloc calloc
482# define Perl_realloc realloc
483# define Perl_mfree free
ee13e175 484# endif
86058a2d
GS		 485# else
486# define EMBEDMYMALLOC /* for compatibility */
487# endif
20ce7b12
GS		 488Malloc_t Perl_malloc (MEM_SIZE nbytes);
489Malloc_t Perl_calloc (MEM_SIZE elements, MEM_SIZE size);
490Malloc_t Perl_realloc (Malloc_t where, MEM_SIZE nbytes);
86058a2d
GS		 491/* 'mfree' rather than 'free', since there is already a 'perl_free'
492 * that causes clashes with case-insensitive linkers */
20ce7b12 493Free_t Perl_mfree (Malloc_t where);
55497cff 494
827e134a
GS		 495typedef struct perl_mstats perl_mstats_t;
496
651b9576
GS		 497# define safemalloc Perl_malloc
498# define safecalloc Perl_calloc
499# define saferealloc Perl_realloc
500# define safefree Perl_mfree
f2517201
GS		 501#else /* MYMALLOC */
502# define safemalloc safesysmalloc
503# define safecalloc safesyscalloc
504# define saferealloc safesysrealloc
505# define safefree safesysfree
55497cff 506#endif /* MYMALLOC */
4633a7c4 507
a0d0e21e
LW		 508#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
509#define strchr index
510#define strrchr rindex
511#endif
512
16d20bd9
AD		 513#ifdef I_MEMORY
514# include <memory.h>
515#endif
516
fe14fcc3 517#ifdef HAS_MEMCPY
85e6fe83 518# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 519# ifndef memcpy
20ce7b12 520 extern char * memcpy (char*, char*, int);
ee0007ab
LW		 521# endif
522# endif
523#else
524# ifndef memcpy
525# ifdef HAS_BCOPY
526# define memcpy(d,s,l) bcopy(s,d,l)
527# else
528# define memcpy(d,s,l) my_bcopy(s,d,l)
529# endif
530# endif
531#endif /* HAS_MEMCPY */
fe14fcc3 532
ee0007ab 533#ifdef HAS_MEMSET
85e6fe83 534# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 535# ifndef memset
20ce7b12 536 extern char *memset (char*, int, int);
ee0007ab
LW		 537# endif
538# endif
ee0007ab 539#else
12ae5dfc 540# undef memset
fc36a67e 541# define memset(d,c,l) my_memset(d,c,l)
ee0007ab
LW		 542#endif /* HAS_MEMSET */
543
85e6fe83 544#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 545# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805
LW		 546# define memmove(d,s,l) bcopy(s,d,l)
547# else
2304df62 548# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 549# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 550# else
79072805 551# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 552# endif
352d5a3a 553# endif
d9d8d8de 554#endif
ee0007ab 555
36477c24 556#if defined(mips) && defined(ultrix) && !defined(__STDC__)
557# undef HAS_MEMCMP
558#endif
559
560#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 561# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 562# ifndef memcmp
20ce7b12 563 extern int memcmp (char*, char*, int);
ee0007ab
LW		 564# endif
565# endif
36477c24 566# ifdef BUGGY_MSC
567 # pragma function(memcmp)
568# endif
ee0007ab
LW		 569#else
570# ifndef memcmp
ecfc5424 571# define memcmp my_memcmp
352d5a3a 572# endif
36477c24 573#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 574
fc36a67e 575#ifndef memzero
c635e13b 576# ifdef HAS_MEMSET
577# define memzero(d,l) memset(d,0,l)
79072805 578# else
c635e13b 579# ifdef HAS_BZERO
580# define memzero(d,l) bzero(d,l)
79072805 581# else
fc36a67e 582# define memzero(d,l) my_bzero(d,l)
79072805
LW		 583# endif
584# endif
d9d8d8de 585#endif
378cc40b 586
0f27ced1
JH		 587#ifndef memchr
588# ifndef HAS_MEMCHR
589# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
590# endif
591#endif
592
36477c24 593#ifndef HAS_BCMP
594# ifndef bcmp
595# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 596# endif
36477c24 597#endif /* !HAS_BCMP */
378cc40b 598
ae986130 599#ifdef I_NETINET_IN
79072805 600# include <netinet/in.h>
ae986130
LW		 601#endif
602
28e8609d
JH		 603#ifdef I_ARPA_INET
604# include <arpa/inet.h>
605#endif
606
84902520
TB		 607#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
608/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
609 * (the neo-BSD seem to do this). */
610# undef SF_APPEND
611#endif
612
1aef975c 613#ifdef I_SYS_STAT
84902520 614# include <sys/stat.h>
1aef975c 615#endif
79072805 616
a0d0e21e
LW		 617/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
618 like UTekV) are broken, sometimes giving false positives. Undefine
619 them here and let the code below set them to proper values.
620
621 The ghs macro stands for GreenHills Software C-1.8.5 which
622 is the C compiler for sysV88 and the various derivatives.
623 This header file bug is corrected in gcc-2.5.8 and later versions.
624 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
625
626#if defined(uts) || (defined(m88k) && defined(ghs))
79072805
LW		 627# undef S_ISDIR
628# undef S_ISCHR
629# undef S_ISBLK
630# undef S_ISREG
631# undef S_ISFIFO
632# undef S_ISLNK
ee0007ab 633#endif
135863df 634
663a0e37
LW		 635#ifdef I_TIME
636# include <time.h>
ffed7fef 637#endif
663a0e37 638
fe14fcc3 639#ifdef I_SYS_TIME
85e6fe83 640# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 641# define KERNEL
642# endif
643# include <sys/time.h>
85e6fe83 644# ifdef I_SYS_TIME_KERNEL
663a0e37
LW		 645# undef KERNEL
646# endif
a687059c 647#endif
135863df 648
55497cff 649#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 650# include <sys/times.h>
d9d8d8de 651#endif
8d063cd8 652
fe14fcc3 653#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 654# undef HAS_STRERROR
663a0e37
LW		 655#endif
656
657#include <errno.h>
1e743fda 658
acfe0abc 659#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
b4748376
NIS		 660# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
661#endif
662
4e0554ec
JH		 663/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one */
664#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN)
665# define _SOCKADDR_LEN
666#endif
667
8d3f517a 668#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
1e743fda
JH		 669# include <sys/socket.h>
670# if defined(USE_SOCKS) && defined(I_SOCKS)
671# if !defined(INCLUDE_PROTOTYPES)
672# define INCLUDE_PROTOTYPES /* for <socks.h> */
673# define PERL_SOCKS_NEED_PROTOTYPES
674# endif
4d1ff10f 675# ifdef USE_5005THREADS
c3dedce1 676# define PERL_USE_THREADS /* store our value */
4d1ff10f 677# undef USE_5005THREADS
c3dedce1 678# endif
1e743fda 679# include <socks.h>
4d1ff10f
AB		 680# ifdef USE_5005THREADS
681# undef USE_5005THREADS /* socks.h does this on its own */
c3dedce1
JH		 682# endif
683# ifdef PERL_USE_THREADS
4d1ff10f 684# define USE_5005THREADS /* restore our value */
c3dedce1
JH		 685# undef PERL_USE_THREADS
686# endif
1e743fda
JH		 687# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
688# undef INCLUDE_PROTOTYPES
689# undef PERL_SOCKS_NEED_PROTOTYPES
ed6116ce 690# endif
d460ef45 691# endif
1e743fda 692# ifdef I_NETDB
2986a63f
JH		 693# ifdef NETWARE
694# include<stdio.h>
695# endif
1e743fda
JH		 696# include <netdb.h>
697# endif
698# ifndef ENOTSOCK
699# ifdef I_NET_ERRNO
700# include <net/errno.h>
701# endif
702# endif
703#endif
704
fa0a29af 705/* sockatmark() is so new (2001) that many places might have it hidden
2ef53570 706 * behind some -D_BLAH_BLAH_SOURCE guard. */
fa0a29af 707#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
2ef53570
JH		 708int sockatmark(int);
709#endif
710
1e743fda
JH		 711#ifdef SETERRNO
712# undef SETERRNO /* SOCKS might have defined this */
ed6116ce 713#endif
f86702cc 714
715#ifdef VMS
716# define SETERRNO(errcode,vmserrcode) \
717 STMT_START { \
718 set_errno(errcode); \
719 set_vaxc_errno(vmserrcode); \
720 } STMT_END
748a9306 721#else
aba27d88 722# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
748a9306 723#endif
ed6116ce 724
4d1ff10f 725#ifdef USE_5005THREADS
38a03e6e 726# define ERRSV (thr->errsv)
940cb80d
MB		 727# define DEFSV THREADSV(0)
728# define SAVE_DEFSV save_threadsv(0)
38a03e6e 729#else
3280af22 730# define ERRSV GvSV(PL_errgv)
3280af22
NIS		 731# define DEFSV GvSV(PL_defgv)
732# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
4d1ff10f 733#endif /* USE_5005THREADS */
38a03e6e 734
98eae8f5
GS		 735#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
736
55497cff 737#ifndef errno
5ff3f7a4
GS		 738 extern int errno; /* ANSI allows errno to be an lvalue expr.
739 * For example in multithreaded environments
740 * something like this might happen:
741 * extern int *_errno(void);
742 * #define errno (*_errno()) */
d9d8d8de 743#endif
663a0e37 744
2304df62 745#ifdef HAS_STRERROR
a0d0e21e 746# ifdef VMS
20ce7b12 747 char *strerror (int,...);
a0d0e21e 748# else
68dc0745 749#ifndef DONT_DECLARE_STD
20ce7b12 750 char *strerror (int);
68dc0745 751#endif
a0d0e21e 752# endif
2304df62
AD		 753# ifndef Strerror
754# define Strerror strerror
755# endif
756#else
757# ifdef HAS_SYS_ERRLIST
79072805
LW		 758 extern int sys_nerr;
759 extern char *sys_errlist[];
2304df62
AD		 760# ifndef Strerror
761# define Strerror(e) \
79072805 762 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 763# endif
79072805 764# endif
35c8bce7 765#endif
663a0e37 766
2304df62 767#ifdef I_SYS_IOCTL
79072805
LW		 768# ifndef _IOCTL_
769# include <sys/ioctl.h>
770# endif
a687059c
LW		 771#endif
772
ee0007ab 773#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805
LW		 774# ifdef HAS_SOCKETPAIR
775# undef HAS_SOCKETPAIR
776# endif
2304df62
AD		 777# ifdef I_NDBM
778# undef I_NDBM
79072805 779# endif
a687059c
LW		 780#endif
781
02fc2eee
NC		 782#ifndef HAS_SOCKETPAIR
783# ifdef HAS_SOCKET
784# define socketpair Perl_my_socketpair
785# endif
786#endif
787
a687059c 788#if INTSIZE == 2
79072805
LW		 789# define htoni htons
790# define ntohi ntohs
a687059c 791#else
79072805
LW		 792# define htoni htonl
793# define ntohi ntohl
a687059c
LW		 794#endif
795
a0d0e21e 796/* Configure already sets Direntry_t */
35c8bce7 797#if defined(I_DIRENT)
663a0e37 798# include <dirent.h>
8f1f23e8
W		 799 /* NeXT needs dirent + sys/dir.h */
800# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
a0d0e21e
LW		 801# include <sys/dir.h>
802# endif
ae986130 803#else
fe14fcc3 804# ifdef I_SYS_NDIR
79a0689e 805# include <sys/ndir.h>
663a0e37 806# else
fe14fcc3 807# ifdef I_SYS_DIR
79a0689e
LW		 808# ifdef hp9000s500
809# include <ndir.h> /* may be wrong in the future */
810# else
811# include <sys/dir.h>
812# endif
663a0e37
LW		 813# endif
814# endif
4633a7c4 815#endif
a687059c 816
12ae5dfc
JH		 817#ifdef PERL_MICRO
818# ifndef DIR
819# define DIR void
820# endif
821#endif
822
352d5a3a
LW		 823#ifdef FPUTS_BOTCH
824/* work around botch in SunOS 4.0.1 and 4.0.2 */
825# ifndef fputs
79072805 826# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a
LW		 827# endif
828#endif
829
c623bd54
LW		 830/*
831 * The following gobbledygook brought to you on behalf of __STDC__.
832 * (I could just use #ifndef __STDC__, but this is more bulletproof
833 * in the face of half-implementations.)
834 */
835
7114a2d2 836#if defined(I_SYSMODE) && !defined(PERL_MICRO)
ca6e1c26
JH		 837#include <sys/mode.h>
838#endif
839
c623bd54
LW		 840#ifndef S_IFMT
841# ifdef _S_IFMT
842# define S_IFMT _S_IFMT
843# else
844# define S_IFMT 0170000
845# endif
846#endif
847
848#ifndef S_ISDIR
849# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
850#endif
851
852#ifndef S_ISCHR
853# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
854#endif
855
856#ifndef S_ISBLK
fe14fcc3
LW		 857# ifdef S_IFBLK
858# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
859# else
860# define S_ISBLK(m) (0)
861# endif
c623bd54
LW		 862#endif
863
864#ifndef S_ISREG
865# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
866#endif
867
868#ifndef S_ISFIFO
fe14fcc3
LW		 869# ifdef S_IFIFO
870# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
871# else
872# define S_ISFIFO(m) (0)
873# endif
c623bd54
LW		 874#endif
875
876#ifndef S_ISLNK
877# ifdef _S_ISLNK
878# define S_ISLNK(m) _S_ISLNK(m)
879# else
880# ifdef _S_IFLNK
881# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
882# else
883# ifdef S_IFLNK
884# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
885# else
886# define S_ISLNK(m) (0)
887# endif
888# endif
889# endif
890#endif
891
892#ifndef S_ISSOCK
893# ifdef _S_ISSOCK
894# define S_ISSOCK(m) _S_ISSOCK(m)
895# else
896# ifdef _S_IFSOCK
897# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
898# else
899# ifdef S_IFSOCK
900# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
901# else
902# define S_ISSOCK(m) (0)
903# endif
904# endif
905# endif
906#endif
907
908#ifndef S_IRUSR
909# ifdef S_IREAD
910# define S_IRUSR S_IREAD
911# define S_IWUSR S_IWRITE
912# define S_IXUSR S_IEXEC
913# else
914# define S_IRUSR 0400
915# define S_IWUSR 0200
916# define S_IXUSR 0100
917# endif
fac7cdfc
JS		 918#endif
919
920#ifndef S_IRGRP
921# ifdef S_IRUSR
922# define S_IRGRP (S_IRUSR>>3)
923# define S_IWGRP (S_IWUSR>>3)
924# define S_IXGRP (S_IXUSR>>3)
925# else
926# define S_IRGRP 0040
927# define S_IWGRP 0020
928# define S_IXGRP 0010
929# endif
930#endif
931
932#ifndef S_IROTH
933# ifdef S_IRUSR
934# define S_IROTH (S_IRUSR>>6)
935# define S_IWOTH (S_IWUSR>>6)
936# define S_IXOTH (S_IXUSR>>6)
937# else
938# define S_IROTH 0040
939# define S_IWOTH 0020
940# define S_IXOTH 0010
941# endif
c623bd54
LW		 942#endif
943
944#ifndef S_ISUID
945# define S_ISUID 04000
946#endif
947
948#ifndef S_ISGID
949# define S_ISGID 02000
950#endif
951
ca6e1c26
JH		 952#ifndef S_IRWXU
953# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
d460ef45 954#endif
ca6e1c26
JH		 955
956#ifndef S_IRWXG
957# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
d460ef45 958#endif
ca6e1c26
JH		 959
960#ifndef S_IRWXO
961# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
d460ef45 962#endif
ca6e1c26 963
c21fb2b8
JH		 964/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
965 * which would get included through <sys/file.h >, but that is 3000
966 * lines in the future. --jhi */
967
968#if !defined(S_IREAD) && !defined(__BEOS__)
ca6e1c26
JH		 969# define S_IREAD S_IRUSR
970#endif
971
c21fb2b8 972#if !defined(S_IWRITE) && !defined(__BEOS__)
ca6e1c26
JH		 973# define S_IWRITE S_IWUSR
974#endif
975
976#ifndef S_IEXEC
977# define S_IEXEC S_IXUSR
978#endif
979
79072805
LW		 980#ifdef ff_next
981# undef ff_next
352d5a3a
LW		 982#endif
983
a0d0e21e 984#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa
LW		 985# define SLOPPYDIVIDE
986#endif
987
748a9306
LW		 988#ifdef UV
989#undef UV
990#endif
991
c89df6bf
JH		 992#ifdef SPRINTF_E_BUG
993# define sprintf UTS_sprintf_wrap
994#endif
995
c495e728
JH		 996/* Configure gets this right but the UTS compiler gets it wrong.
997 -- Hal Morris <hom00@utsglobal.com> */
998#ifdef UTS
999# undef UVTYPE
1000# define UVTYPE unsigned
1001#endif
1002
05f13f53 1003/*
27d4fb96 1004 The IV type is supposed to be long enough to hold any integral
1005 value or a pointer.
1006 --Andy Dougherty August 1996
1007*/
1008
a22e52b9
JH		 1009typedef IVTYPE IV;
1010typedef UVTYPE UV;
8175356b 1011
10cc9d2a 1012#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
6b8eaf93 1013# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
5ff3f7a4
GS		 1014# define IV_MAX INT64_MAX
1015# define IV_MIN INT64_MIN
1016# define UV_MAX UINT64_MAX
cae7ae48
JH		 1017# ifndef UINT64_MIN
1018# define UINT64_MIN 0
1019# endif
5ff3f7a4
GS		 1020# define UV_MIN UINT64_MIN
1021# else
1022# define IV_MAX PERL_QUAD_MAX
1023# define IV_MIN PERL_QUAD_MIN
1024# define UV_MAX PERL_UQUAD_MAX
1025# define UV_MIN PERL_UQUAD_MIN
1026# endif
cf2093f6
JH		 1027# define IV_IS_QUAD
1028# define UV_IS_QUAD
79072805 1029#else
8175356b 1030# if defined(INT32_MAX) && IVSIZE == 4
5ff3f7a4
GS		 1031# define IV_MAX INT32_MAX
1032# define IV_MIN INT32_MIN
716026f9
DL		 1033# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1034# define UV_MAX UINT32_MAX
1035# else
1036# define UV_MAX 4294967295U
1037# endif
cae7ae48
JH		 1038# ifndef UINT32_MIN
1039# define UINT32_MIN 0
1040# endif
5ff3f7a4
GS		 1041# define UV_MIN UINT32_MIN
1042# else
1043# define IV_MAX PERL_LONG_MAX
1044# define IV_MIN PERL_LONG_MIN
1045# define UV_MAX PERL_ULONG_MAX
1046# define UV_MIN PERL_ULONG_MIN
1047# endif
8175356b 1048# if IVSIZE == 8
cf2093f6
JH		 1049# define IV_IS_QUAD
1050# define UV_IS_QUAD
de1c2614
JH		 1051# ifndef HAS_QUAD
1052# define HAS_QUAD
1053# endif
cf2093f6
JH		 1054# else
1055# undef IV_IS_QUAD
1056# undef UV_IS_QUAD
de1c2614 1057# undef HAS_QUAD
cf2093f6 1058# endif
79072805 1059#endif
d7d93a81 1060
6cde8aec 1061#if defined(uts) || defined(UTS)
11afe549
HM		 1062# undef UV_MAX
1063# define UV_MAX (4294967295u)
20601011
JH		 1064#endif
1065
cae7ae48 1066#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
22ec83e3 1067#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
56431972 1068
28e5dec8 1069#ifndef NO_PERL_PRESERVE_IVUV
f5c03d33 1070#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
28e5dec8
JH		 1071#endif
1072
d460ef45 1073/*
26bb67e2
JH		 1074 * The macros INT2PTR and NUM2PTR are (despite their names)
1075 * bi-directional: they will convert int/float to or from pointers.
1076 * However the conversion to int/float are named explicitly:
1077 * PTR2IV, PTR2UV, PTR2NV.
1078 *
1079 * For int conversions we do not need two casts if pointers are
1080 * the same size as IV and UV. Otherwise we need an explicit
1081 * cast (PTRV) to avoid compiler warnings.
1082 */
56431972
RB		 1083#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1084# define PTRV UV
1085# define INT2PTR(any,d) (any)(d)
1086#else
d460ef45 1087# if PTRSIZE == LONGSIZE
56431972 1088# define PTRV unsigned long
42718184 1089# else
56431972 1090# define PTRV unsigned
42718184 1091# endif
56431972 1092# define INT2PTR(any,d) (any)(PTRV)(d)
42718184 1093#endif
56431972
RB		 1094#define NUM2PTR(any,d) (any)(PTRV)(d)
1095#define PTR2IV(p) INT2PTR(IV,p)
1096#define PTR2UV(p) INT2PTR(UV,p)
1097#define PTR2NV(p) NUM2PTR(NV,p)
d460ef45 1098#if PTRSIZE == LONGSIZE
d2560b70
RB		 1099# define PTR2ul(p) (unsigned long)(p)
1100#else
1101# define PTR2ul(p) INT2PTR(unsigned long,p)
1102#endif
d460ef45 1103
65202027 1104#ifdef USE_LONG_DOUBLE
1048ea30
JH		 1105# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1106# define LONG_DOUBLE_EQUALS_DOUBLE
1107# endif
68d4903c 1108# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
2d4389e4 1109# undef USE_LONG_DOUBLE /* Ouch! */
65202027
DS		 1110# endif
1111#endif
1112
2d4389e4
JH		 1113#ifdef OVR_DBL_DIG
1114/* Use an overridden DBL_DIG */
1115# ifdef DBL_DIG
1116# undef DBL_DIG
1117# endif
1118# define DBL_DIG OVR_DBL_DIG
1119#else
1120/* The following is all to get DBL_DIG, in order to pick a nice
1121 default value for printing floating point numbers in Gconvert.
1122 (see config.h)
1123*/
1124#ifdef I_LIMITS
1125#include <limits.h>
1126#endif
1127#ifdef I_FLOAT
1128#include <float.h>
1129#endif
1130#ifndef HAS_DBL_DIG
1131#define DBL_DIG 15 /* A guess that works lots of places */
1132#endif
1133#endif
cbca01e1
JH		 1134#ifdef I_FLOAT
1135#include <float.h>
1136#endif
1137#ifndef HAS_DBL_DIG
1138#define DBL_DIG 15 /* A guess that works lots of places */
1139#endif
2d4389e4
JH		 1140
1141#ifdef OVR_LDBL_DIG
1142/* Use an overridden LDBL_DIG */
1143# ifdef LDBL_DIG
1144# undef LDBL_DIG
1145# endif
1146# define LDBL_DIG OVR_LDBL_DIG
1147#else
1148/* The following is all to get LDBL_DIG, in order to pick a nice
1149 default value for printing floating point numbers in Gconvert.
1150 (see config.h)
1151*/
68d4903c
JH		 1152# ifdef I_LIMITS
1153# include <limits.h>
1154# endif
1155# ifdef I_FLOAT
1156# include <float.h>
1157# endif
1158# ifndef HAS_LDBL_DIG
1159# if LONG_DOUBLESIZE == 10
1160# define LDBL_DIG 18 /* assume IEEE */
1161# else
1162# if LONG_DOUBLESIZE == 12
1163# define LDBL_DIG 18 /* gcc? */
1164# else
1165# if LONG_DOUBLESIZE == 16
1166# define LDBL_DIG 33 /* assume IEEE */
1167# else
1168# if LONG_DOUBLESIZE == DOUBLESIZE
1169# define LDBL_DIG DBL_DIG /* bummer */
1170# endif
1171# endif
1172# endif
1173# endif
1174# endif
2d4389e4
JH		 1175#endif
1176
a22e52b9 1177typedef NVTYPE NV;
8175356b 1178
792d8dab
JH		 1179#ifdef I_IEEEFP
1180# include <ieeefp.h>
1181#endif
923fc586 1182
65202027 1183#ifdef USE_LONG_DOUBLE
923fc586
JH		 1184# ifdef I_SUNMATH
1185# include <sunmath.h>
1186# endif
2d4389e4 1187# define NV_DIG LDBL_DIG
d6c14000
JH		 1188# ifdef LDBL_MANT_DIG
1189# define NV_MANT_DIG LDBL_MANT_DIG
1190# endif
06fc1729
JH		 1191# ifdef LDBL_MIN
1192# define NV_MIN LDBL_MIN
1193# endif
1194# ifdef LDBL_MAX
1195# define NV_MAX LDBL_MAX
1196# endif
1197# ifdef LDBL_MIN_10_EXP
1198# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1199# endif
1200# ifdef LDBL_MAX_10_EXP
1201# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1202# endif
1203# ifdef LDBL_EPSILON
1204# define NV_EPSILON LDBL_EPSILON
1205# endif
f4a14a62
JH		 1206# ifdef LDBL_MAX
1207# define NV_MAX LDBL_MAX
1208# define NV_MIN LDBL_MIN
1209# else
1210# ifdef HUGE_VALL
1211# define NV_MAX HUGE_VALL
1212# else
1213# ifdef HUGE_VAL
1214# define NV_MAX ((NV)HUGE_VAL)
1215# endif
1216# endif
1217# endif
68d4903c 1218# ifdef HAS_SQRTL
68d4903c
JH		 1219# define Perl_cos cosl
1220# define Perl_sin sinl
1221# define Perl_sqrt sqrtl
1222# define Perl_exp expl
1223# define Perl_log logl
1224# define Perl_atan2 atan2l
1225# define Perl_pow powl
1226# define Perl_floor floorl
1227# define Perl_fmod fmodl
1228# endif
a3540c92
JH		 1229/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1230# ifdef HAS_MODFL
1231# define Perl_modf(x,y) modfl(x,y)
e82e08d5
JH		 1232# else
1233# define Perl_modf(x,y) ((long double)modf((double)(x),(double*)(y)))
a3540c92
JH		 1234# endif
1235# ifdef HAS_FREXPL
dff3e0b8 1236# define Perl_frexp(x,y) frexpl(x,y)
e82e08d5
JH		 1237# else
1238# define Perl_frexp(x,y) ((long double)frexp((double)(x),y))
a3540c92 1239# endif
38dbb4c5 1240# ifndef Perl_isnan
758a5d79
JH		 1241# ifdef HAS_ISNANL
1242# define Perl_isnan(x) isnanl(x)
1243# endif
1244# endif
1245# ifndef Perl_isinf
1246# ifdef HAS_FINITEL
1247# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
a3540c92
JH		 1248# endif
1249# endif
65202027 1250#else
2d4389e4 1251# define NV_DIG DBL_DIG
d6c14000
JH		 1252# ifdef DBL_MANT_DIG
1253# define NV_MANT_DIG DBL_MANT_DIG
1254# endif
06fc1729
JH		 1255# ifdef DBL_MIN
1256# define NV_MIN DBL_MIN
1257# endif
1258# ifdef DBL_MAX
1259# define NV_MAX DBL_MAX
1260# endif
1261# ifdef DBL_MIN_10_EXP
1262# define NV_MIN_10_EXP DBL_MIN_10_EXP
1263# endif
1264# ifdef DBL_MAX_10_EXP
1265# define NV_MAX_10_EXP DBL_MAX_10_EXP
1266# endif
1267# ifdef DBL_EPSILON
1268# define NV_EPSILON DBL_EPSILON
1269# endif
f4a14a62
JH		 1270# ifdef DBL_MAX
1271# define NV_MAX DBL_MAX
1272# define NV_MIN DBL_MIN
1273# else
1274# ifdef HUGE_VAL
1275# define NV_MAX HUGE_VAL
1276# endif
1277# endif
65202027
DS		 1278# define Perl_cos cos
1279# define Perl_sin sin
1280# define Perl_sqrt sqrt
1281# define Perl_exp exp
1282# define Perl_log log
1283# define Perl_atan2 atan2
1284# define Perl_pow pow
1285# define Perl_floor floor
65202027 1286# define Perl_fmod fmod
a3540c92 1287# define Perl_modf(x,y) modf(x,y)
dff3e0b8 1288# define Perl_frexp(x,y) frexp(x,y)
758a5d79
JH		 1289#endif
1290
1291/* rumor has it that Win32 has _fpclass() */
1292
1293#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1294# ifdef I_IEEFP
1295# include <ieeefp.h>
1296# endif
1297# ifdef I_FP
1298# include <fp.h>
1299# endif
1300# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1301# define Perl_fp_class() fpclassl(x)
1302# else
1303# define Perl_fp_class() fpclass(x)
1304# endif
1305# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1306# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1307# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1308# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1309# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1310# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1311# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1312# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1313# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1314# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1315# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1316# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1317# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1318# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1319# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1320#endif
1321
7114a2d2 1322#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
758a5d79
JH		 1323# include <math.h>
1324# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1325# include <fp_class.h>
1326# endif
1327# define Perl_fp_class(x) fp_class(x)
1328# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1329# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1330# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1331# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1332# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1333# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1334# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1335# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1336# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1337# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1338# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1339# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1340# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1341# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1342# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1343#endif
1344
1345#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1346# include <math.h>
1347# define Perl_fp_class(x) fpclassify(x)
38dbb4c5 1348# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
758a5d79
JH		 1349# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1350# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1351# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1352# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1353#endif
1354
1355#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1356# include <math.h>
1357# ifndef _cplusplus
1358# define Perl_fp_class(x) class(x)
1359# else
1360# define Perl_fp_class(x) _class(x)
1361# endif
1362# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1363# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1364# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1365# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1366# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1367# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1368# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1369# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1370# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1371# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1372# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1373# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1374# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1375# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1376# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1377#endif
1378
1379/* rumor has it that Win32 has _isnan() */
1380
1381#ifndef Perl_isnan
a3540c92 1382# ifdef HAS_ISNAN
758a5d79
JH		 1383# define Perl_isnan(x) isnan((NV)x)
1384# else
1385# ifdef Perl_fp_class_nan
1386# define Perl_isnan(x) Perl_fp_class_nan(x)
1387# else
1388# ifdef HAS_UNORDERED
1389# define Perl_isnan(x) unordered((x), 0.0)
1390# else
1391# define Perl_isnan(x) ((x)!=(x))
1392# endif
1393# endif
1394# endif
1395#endif
1396
ca6c63e1
JH		 1397#ifdef UNDER_CE
1398int isnan(double d);
1399#endif
1400
758a5d79
JH		 1401#ifndef Perl_isinf
1402# ifdef HAS_ISINF
1403# define Perl_isinf(x) isinf((NV)x)
a3540c92 1404# else
758a5d79
JH		 1405# ifdef Perl_fp_class_inf
1406# define Perl_isinf(x) Perl_fp_class_inf(x)
1407# else
1408# define Perl_isinf(x) ((x)==NV_INF)
1409# endif
1410# endif
1411#endif
1412
1413#ifndef Perl_isfinite
1414# ifdef HAS_FINITE
1415# define Perl_isfinite(x) finite((NV)x)
1416# else
1417# ifdef HAS_ISFINITE
1418# define Perl_isfinite(x) isfinite(x)
1419# else
1420# ifdef Perl_fp_class_finite
1421# define Perl_isfinite(x) Perl_fp_class_finite(x)
1422# else
1423# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1424# endif
1425# endif
a3540c92 1426# endif
65202027
DS		 1427#endif
1428
1f727ac0
HS		 1429#define Perl_atof(s) Perl_my_atof(s)
1430#define Perl_atof2(s, np) Perl_my_atof2(s, np)
cf2093f6 1431
d460ef45 1432/* Previously these definitions used hardcoded figures.
760ac839
LW		 1433 * It is hoped these formula are more portable, although
1434 * no data one way or another is presently known to me.
1435 * The "PERL_" names are used because these calculated constants
1436 * do not meet the ANSI requirements for LONG_MAX, etc., which
1437 * need to be constants acceptable to #if - kja
1438 * define PERL_LONG_MAX 2147483647L
1439 * define PERL_LONG_MIN (-LONG_MAX - 1)
1440 * define PERL ULONG_MAX 4294967295L
1441 */
1442
1443#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1444# include <limits.h>
1445#else
1446#ifdef I_VALUES
1447# include <values.h>
1448#endif
1449#endif
1450
99abf803 1451/*
1452 * Try to figure out max and min values for the integral types. THE CORRECT
1453 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1454 * following hacks are used if neither limits.h or values.h provide them:
1455 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1456 * for types < int: (unsigned TYPE)~(unsigned)0
1457 * The argument to ~ must be unsigned so that later signed->unsigned
1458 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1459 * and it must not be smaller than int because ~ does integral promotion.
1460 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1461 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1462 * The latter is a hack which happens to work on some machines but
1463 * does *not* catch any random system, or things like integer types
1464 * with NaN if that is possible.
1465 *
1466 * All of the types are explicitly cast to prevent accidental loss of
1467 * numeric range, and in the hope that they will be less likely to confuse
1468 * over-eager optimizers.
1469 *
1470 */
27d4fb96 1471
99abf803 1472#define PERL_UCHAR_MIN ((unsigned char)0)
1473
1474#ifdef UCHAR_MAX
1475# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 1476#else
99abf803 1477# ifdef MAXUCHAR
1478# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 1479# else
99abf803 1480# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 1481# endif
1482#endif
d460ef45 1483
99abf803 1484/*
1485 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1486 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1487 * depending on local options. Until Configure detects this (or at least
1488 * detects whether the "signed" keyword is available) the CHAR ranges
1489 * will not be included. UCHAR functions normally.
1490 * - kja
1491 */
27d4fb96 1492
99abf803 1493#define PERL_USHORT_MIN ((unsigned short)0)
1494
1495#ifdef USHORT_MAX
1496# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 1497#else
99abf803 1498# ifdef MAXUSHORT
1499# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 1500# else
ef2f54b0
CB		 1501# ifdef USHRT_MAX
1502# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1503# else
1504# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1505# endif
27d4fb96 1506# endif
1507#endif
1508
27d4fb96 1509#ifdef SHORT_MAX
99abf803 1510# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 1511#else
1512# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 1513# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 1514# else
ef2f54b0
CB		 1515# ifdef SHRT_MAX
1516# define PERL_SHORT_MAX ((short)SHRT_MAX)
1517# else
1518# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1519# endif
27d4fb96 1520# endif
1521#endif
1522
1523#ifdef SHORT_MIN
99abf803 1524# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 1525#else
1526# ifdef MINSHORT
99abf803 1527# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 1528# else
ef2f54b0
CB		 1529# ifdef SHRT_MIN
1530# define PERL_SHORT_MIN ((short)SHRT_MIN)
1531# else
1532# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1533# endif
27d4fb96 1534# endif
1535#endif
1536
99abf803 1537#ifdef UINT_MAX
1538# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 1539#else
99abf803 1540# ifdef MAXUINT
1541# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 1542# else
99abf803 1543# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 1544# endif
1545#endif
1546
99abf803 1547#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 1548
1549#ifdef INT_MAX
99abf803 1550# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 1551#else
1552# ifdef MAXINT /* Often used in <values.h> */
99abf803 1553# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 1554# else
99abf803 1555# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 1556# endif
1557#endif
1558
1559#ifdef INT_MIN
99abf803 1560# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 1561#else
1562# ifdef MININT
99abf803 1563# define PERL_INT_MIN ((int)MININT)
27d4fb96 1564# else
1565# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
1566# endif
1567#endif
1568
99abf803 1569#ifdef ULONG_MAX
1570# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 1571#else
99abf803 1572# ifdef MAXULONG
1573# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 1574# else
99abf803 1575# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 1576# endif
1577#endif
1578
99abf803 1579#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 1580
760ac839 1581#ifdef LONG_MAX
99abf803 1582# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839
LW		 1583#else
1584# ifdef MAXLONG /* Often used in <values.h> */
99abf803 1585# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 1586# else
99abf803 1587# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839
LW		 1588# endif
1589#endif
1590
1591#ifdef LONG_MIN
99abf803 1592# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839
LW		 1593#else
1594# ifdef MINLONG
99abf803 1595# define PERL_LONG_MIN ((long)MINLONG)
760ac839 1596# else
27d4fb96 1597# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839
LW		 1598# endif
1599#endif
1600
d7d93a81 1601#ifdef UV_IS_QUAD
99abf803 1602
99abf803 1603# define PERL_UQUAD_MAX (~(UV)0)
f1c3b19a 1604# define PERL_UQUAD_MIN ((UV)0)
99abf803 1605# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
a6e633de 1606# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 1607
79072805
LW		 1608#endif
1609
880b20b6
IZ		 1610struct perl_mstats {
1611 UV *nfree;
1612 UV *ntotal;
1613 IV topbucket, topbucket_ev, topbucket_odd, totfree, total, total_chain;
1614 IV total_sbrk, sbrks, sbrk_good, sbrk_slack, start_slack, sbrked_remains;
1615 IV minbucket;
1616 /* Level 1 info */
1617 UV *bucket_mem_size;
1618 UV *bucket_available_size;
1619 UV nbuckets;
1620};
830247a4 1621struct RExC_state_t;
880b20b6 1622
ee0007ab 1623typedef MEM_SIZE STRLEN;
450a55e4 1624
79072805
LW		 1625typedef struct op OP;
1626typedef struct cop COP;
1627typedef struct unop UNOP;
1628typedef struct binop BINOP;
1629typedef struct listop LISTOP;
1630typedef struct logop LOGOP;
79072805
LW		 1631typedef struct pmop PMOP;
1632typedef struct svop SVOP;
7934575e 1633typedef struct padop PADOP;
79072805 1634typedef struct pvop PVOP;
79072805
LW		 1635typedef struct loop LOOP;
1636
93a17b20 1637typedef struct interpreter PerlInterpreter;
d2b3f365
SS		 1638
1639/* Amdahl's <ksync.h> has struct sv */
1640/* SGI's <sys/sema.h> has struct sv */
1641#if defined(UTS) || defined(__sgi)
1642# define STRUCT_SV perl_sv
b8d3c5db
JH		 1643#else
1644# define STRUCT_SV sv
1645#endif
1646typedef struct STRUCT_SV SV;
79072805
LW		 1647typedef struct av AV;
1648typedef struct hv HV;
1649typedef struct cv CV;
378cc40b 1650typedef struct regexp REGEXP;
79072805 1651typedef struct gp GP;
0c30d9ec 1652typedef struct gv GV;
8990e307 1653typedef struct io IO;
c09156bb 1654typedef struct context PERL_CONTEXT;
79072805
LW		 1655typedef struct block BLOCK;
1656
1657typedef struct magic MAGIC;
ed6116ce 1658typedef struct xrv XRV;
79072805
LW		 1659typedef struct xpv XPV;
1660typedef struct xpviv XPVIV;
ff68c719 1661typedef struct xpvuv XPVUV;
79072805
LW		 1662typedef struct xpvnv XPVNV;
1663typedef struct xpvmg XPVMG;
1664typedef struct xpvlv XPVLV;
1665typedef struct xpvav XPVAV;
1666typedef struct xpvhv XPVHV;
1667typedef struct xpvgv XPVGV;
1668typedef struct xpvcv XPVCV;
1669typedef struct xpvbm XPVBM;
1670typedef struct xpvfm XPVFM;
8990e307 1671typedef struct xpvio XPVIO;
79072805
LW		 1672typedef struct mgvtbl MGVTBL;
1673typedef union any ANY;
5f7fde29
GS		 1674typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
1675typedef struct ptr_tbl PTR_TBL_t;
8cf8f3d1
NIS		 1676typedef struct clone_params CLONE_PARAMS;
1677
8d063cd8 1678
378cc40b 1679#include "handy.h"
a0d0e21e 1680
6b8eaf93 1681#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
6b8eaf93
JH		 1682# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
1683# define USE_64_BIT_RAWIO /* implicit */
1684# endif
4564133c
JH		 1685#endif
1686
6b8eaf93
JH		 1687/* Notice the use of HAS_FSEEKO: now we are obligated to always use
1688 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
1689 * however, because operating systems like to do that themself. */
1690#ifndef FSEEKSIZE
1691# ifdef HAS_FSEEKO
1692# define FSEEKSIZE LSEEKSIZE
1693# else
1694# define FSEEKSIZE LONGSIZE
d460ef45 1695# endif
6b8eaf93
JH		 1696#endif
1697
1698#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
6b8eaf93
JH		 1699# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
1700# define USE_64_BIT_STDIO /* implicit */
1701# endif
1702#endif
4564133c 1703
09458382 1704#ifdef USE_64_BIT_RAWIO
d9b3e12d
JH		 1705# ifdef HAS_OFF64_T
1706# undef Off_t
1707# define Off_t off64_t
1708# undef LSEEKSIZE
1709# define LSEEKSIZE 8
5ff3f7a4 1710# endif
d9b3e12d
JH		 1711/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1712 * will trigger defines like the ones below. Some 64-bit environments,
09458382 1713 * however, do not. Therefore we have to explicitly mix and match. */
d9b3e12d
JH		 1714# if defined(USE_OPEN64)
1715# define open open64
5ff3f7a4 1716# endif
d9b3e12d
JH		 1717# if defined(USE_LSEEK64)
1718# define lseek lseek64
6b8eaf93
JH		 1719# else
1720# if defined(USE_LLSEEK)
1721# define lseek llseek
1722# endif
d9b3e12d
JH		 1723# endif
1724# if defined(USE_STAT64)
1725# define stat stat64
1726# endif
1727# if defined(USE_FSTAT64)
1728# define fstat fstat64
1729# endif
1730# if defined(USE_LSTAT64)
1731# define lstat lstat64
1732# endif
1733# if defined(USE_FLOCK64)
1734# define flock flock64
1735# endif
1736# if defined(USE_LOCKF64)
1737# define lockf lockf64
1738# endif
1739# if defined(USE_FCNTL64)
1740# define fcntl fcntl64
1741# endif
1742# if defined(USE_TRUNCATE64)
1743# define truncate truncate64
1744# endif
1745# if defined(USE_FTRUNCATE64)
1746# define ftruncate ftruncate64
1747# endif
1748#endif
1749
1750#ifdef USE_64_BIT_STDIO
1751# ifdef HAS_FPOS64_T
1752# undef Fpos_t
1753# define Fpos_t fpos64_t
1754# endif
1755/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
1756 * will trigger defines like the ones below. Some 64-bit environments,
1757 * however, do not. */
1758# if defined(USE_FOPEN64)
1759# define fopen fopen64
1760# endif
1761# if defined(USE_FSEEK64)
6b8eaf93 1762# define fseek fseek64 /* don't do fseeko here, see perlio.c */
d9b3e12d
JH		 1763# endif
1764# if defined(USE_FTELL64)
6b8eaf93 1765# define ftell ftell64 /* don't do ftello here, see perlio.c */
d9b3e12d
JH		 1766# endif
1767# if defined(USE_FSETPOS64)
1768# define fsetpos fsetpos64
1769# endif
1770# if defined(USE_FGETPOS64)
1771# define fgetpos fgetpos64
1772# endif
1773# if defined(USE_TMPFILE64)
1774# define tmpfile tmpfile64
1775# endif
1776# if defined(USE_FREOPEN64)
1777# define freopen freopen64
5ff3f7a4
GS		 1778# endif
1779#endif
1780
af8b425d 1781#if defined(OS2) || defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 1782# include "iperlsys.h"
1783#endif
1784
6f71a643 1785#if defined(__OPEN_VM)
19848b3f
JH		 1786# include "vmesa/vmesaish.h"
1787# define ISHISH "vmesa"
6f71a643
JH		 1788#endif
1789
748a9306 1790#ifdef DOSISH
19848b3f
JH		 1791# if defined(OS2)
1792# include "os2ish.h"
1793# else
1794# include "dosish.h"
1795# endif
1796# define ISHISH "dos"
1797#endif
1798
1799#if defined(VMS)
748a9306 1800# include "vmsish.h"
96e176bf 1801# include "embed.h"
19848b3f
JH		 1802# define ISHISH "vms"
1803#endif
1804
1805#if defined(PLAN9)
1806# include "./plan9/plan9ish.h"
1807# define ISHISH "plan9"
1808#endif
1809
1810#if defined(MPE)
1811# include "mpeix/mpeixish.h"
1812# define ISHISH "mpeix"
1813#endif
1814
1815#if defined(__VOS__)
196918b0
PG		 1816# ifdef __GNUC__
1817# include "./vos/vosish.h"
1818# else
1819# include "vos/vosish.h"
1820# endif
19848b3f
JH		 1821# define ISHISH "vos"
1822#endif
1823
1824#if defined(EPOC)
1825# include "epocish.h"
1826# define ISHISH "epoc"
1827#endif
1828
1829#if defined(MACOS_TRADITIONAL)
1830# include "macos/macish.h"
1831# ifndef NO_ENVIRON_ARRAY
1832# define NO_ENVIRON_ARRAY
0c30d9ec 1833# endif
19848b3f
JH		 1834# define ISHISH "macos classic"
1835#endif
1836
efca5cc6
JH		 1837#if defined(__BEOS__)
1838# include "beos/beosish.h"
1839# define ISHISH "beos"
1840#endif
1841
19848b3f
JH		 1842#ifndef ISHISH
1843# include "unixish.h"
1844# define ISHISH "unix"
13b6e58c
JH		 1845#endif
1846
1847#ifndef NO_ENVIRON_ARRAY
1848# define USE_ENVIRON_ARRAY
1849#endif
32f822de 1850
c77b533b
JH		 1851/*
1852 * initialise to avoid floating-point exceptions from overflow, etc
1853 */
1854#ifndef PERL_FPU_INIT
1855# ifdef HAS_FPSETMASK
1856# if HAS_FLOATINGPOINT_H
1857# include <floatingpoint.h>
1858# endif
1859# define PERL_FPU_INIT fpsetmask(0);
c77b533b 1860# else
7014c407
JH		 1861# if defined(SIGFPE) && defined(SIG_IGN)
1862# define PERL_FPU_INIT signal(SIGFPE, SIG_IGN);
1863# else
1864# define PERL_FPU_INIT
1865# endif
c77b533b
JH		 1866# endif
1867#endif
1868
ed344e4f
IZ		 1869#ifndef PERL_SYS_INIT3
1870# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
1871#endif
1872
be708cc0
JH		 1873#ifndef PERL_WRITE_MSG_TO_CONSOLE
1874# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
1875#endif
1876
0f31cffe
GS		 1877#ifndef MAXPATHLEN
1878# ifdef PATH_MAX
b990c8b2
JH		 1879# ifdef _POSIX_PATH_MAX
1880# if PATH_MAX > _POSIX_PATH_MAX
1881/* MAXPATHLEN is supposed to include the final null character,
1882 * as opposed to PATH_MAX and _POSIX_PATH_MAX. */
1883# define MAXPATHLEN (PATH_MAX+1)
1884# else
1885# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1886# endif
1887# else
1888# define MAXPATHLEN (PATH_MAX+1)
1889# endif
0f31cffe 1890# else
b990c8b2
JH		 1891# ifdef _POSIX_PATH_MAX
1892# define MAXPATHLEN (_POSIX_PATH_MAX+1)
1893# else
1894# define MAXPATHLEN 1024 /* Err on the large side. */
1895# endif
0f31cffe
GS		 1896# endif
1897#endif
1898
d460ef45 1899/*
4d1ff10f 1900 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
dd96f567 1901 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de
GS		 1902 * this results in many functions being undeclared which bothers C++
1903 * May make sense to have threads after "*ish.h" anyway
1904 */
1905
4d1ff10f
AB		 1906#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
1907# if defined(USE_5005THREADS)
79d59c5f
GS		 1908 /* pending resolution of licensing issues, we avoid the erstwhile
1909 * atomic.h everywhere */
1910# define EMULATE_ATOMIC_REFCOUNTS
1feb2720 1911# endif
2986a63f
JH		 1912# ifdef NETWARE
1913# include <nw5thread.h>
1914# else
32f822de
GS		 1915# ifdef FAKE_THREADS
1916# include "fakethr.h"
1917# else
1918# ifdef WIN32
1919# include <win32thread.h>
1920# else
dd96f567
IZ		 1921# ifdef OS2
1922# include "os2thread.h"
1923# else
7f3d1cf1 1924# ifdef I_MACH_CTHREADS
bdd66968 1925# include <mach/cthreads.h>
8f1f23e8 1926# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
772fe5b3
HM		 1927# define MUTEX_INIT_CALLS_MALLOC
1928# endif
7f3d1cf1
BH		 1929typedef cthread_t perl_os_thread;
1930typedef mutex_t perl_mutex;
1931typedef condition_t perl_cond;
1932typedef void * perl_key;
1933# else /* Posix threads */
1f5ae88c
JH		 1934# ifdef I_PTHREAD
1935# include <pthread.h>
1936# endif
7f3d1cf1
BH		 1937typedef pthread_t perl_os_thread;
1938typedef pthread_mutex_t perl_mutex;
1939typedef pthread_cond_t perl_cond;
1940typedef pthread_key_t perl_key;
1941# endif /* I_MACH_CTHREADS */
dd96f567 1942# endif /* OS2 */
32f822de
GS		 1943# endif /* WIN32 */
1944# endif /* FAKE_THREADS */
2986a63f 1945#endif /* NETWARE */
4d1ff10f 1946#endif /* USE_5005THREADS || USE_ITHREADS */
c5be433b 1947
66a93824 1948#if defined(WIN32)
1feb2720 1949# include "win32.h"
c5be433b
GS		 1950#endif
1951
2986a63f
JH		 1952#ifdef NETWARE
1953# include "netware.h"
1954#endif
1955
68dc0745 1956#ifdef VMS
6b88bc9c 1957# define STATUS_NATIVE PL_statusvalue_vms
68dc0745 1958# define STATUS_NATIVE_EXPORT \
d98f61e7 1959 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
68dc0745 1960# define STATUS_NATIVE_SET(n) \
1961 STMT_START { \
6b88bc9c
GS		 1962 PL_statusvalue_vms = (n); \
1963 if ((I32)PL_statusvalue_vms == -1) \
3280af22 1964 PL_statusvalue = -1; \
6b88bc9c 1965 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
3280af22 1966 PL_statusvalue = 0; \
6b88bc9c
GS		 1967 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
1968 PL_statusvalue = 1 << 8; \
68dc0745 1969 else \
6b88bc9c 1970 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
68dc0745 1971 } STMT_END
3280af22 1972# define STATUS_POSIX PL_statusvalue
68dc0745 1973# ifdef VMSISH_STATUS
1974# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1975# else
1976# define STATUS_CURRENT STATUS_POSIX
1977# endif
1978# define STATUS_POSIX_SET(n) \
1979 STMT_START { \
3280af22
NIS		 1980 PL_statusvalue = (n); \
1981 if (PL_statusvalue != -1) { \
1982 PL_statusvalue &= 0xFFFF; \
6b88bc9c 1983 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
68dc0745 1984 } \
6b88bc9c 1985 else PL_statusvalue_vms = -1; \
68dc0745 1986 } STMT_END
6b88bc9c
GS		 1987# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
1988# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
68dc0745 1989#else
1990# define STATUS_NATIVE STATUS_POSIX
1991# define STATUS_NATIVE_EXPORT STATUS_POSIX
1992# define STATUS_NATIVE_SET STATUS_POSIX_SET
3280af22 1993# define STATUS_POSIX PL_statusvalue
68dc0745 1994# define STATUS_POSIX_SET(n) \
1995 STMT_START { \
3280af22
NIS		 1996 PL_statusvalue = (n); \
1997 if (PL_statusvalue != -1) \
1998 PL_statusvalue &= 0xFFFF; \
68dc0745 1999 } STMT_END
2000# define STATUS_CURRENT STATUS_POSIX
3280af22
NIS		 2001# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2002# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
68dc0745 2003#endif
2004
cc3604b1
GS		 2005/* flags in PL_exit_flags for nature of exit() */
2006#define PERL_EXIT_EXPECTED 0x01
31d77e54 2007#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
cc3604b1 2008
0b94c7bb 2009#ifndef MEMBER_TO_FPTR
a7cb1f99
GS		 2010# define MEMBER_TO_FPTR(name) name
2011#endif
2012
2013/* format to use for version numbers in file/directory names */
273cf8d1 2014/* XXX move to Configure? */
a7cb1f99 2015#ifndef PERL_FS_VER_FMT
273cf8d1 2016# define PERL_FS_VER_FMT "%d.%d.%d"
0b94c7bb
GS		 2017#endif
2018
45bc9206 2019/* This defines a way to flush all output buffers. This may be a
76549fef
JH		 2020 * performance issue, so we allow people to disable it. Also, if
2021 * we are using stdio, there are broken implementations of fflush(NULL)
2022 * out there, Solaris being the most prominent.
45bc9206
GS		 2023 */
2024#ifndef PERL_FLUSHALL_FOR_CHILD
76549fef 2025# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
66fe083f 2026# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
767df6a1
JH		 2027# else
2028# ifdef FFLUSH_ALL
2029# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
e2dbf222 2030# else
c5be433b 2031# define PERL_FLUSHALL_FOR_CHILD NOOP
767df6a1 2032# endif
66fe083f 2033# endif
45bc9206
GS		 2034#endif
2035
7766f137
GS		 2036#ifndef PERL_WAIT_FOR_CHILDREN
2037# define PERL_WAIT_FOR_CHILDREN NOOP
2038#endif
2039
ba869deb 2040/* the traditional thread-unsafe notion of "current interpreter". */
c5be433b
GS		 2041#ifndef PERL_SET_INTERP
2042# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2043#endif
2044
2045#ifndef PERL_GET_INTERP
2046# define PERL_GET_INTERP (PL_curinterp)
2047#endif
2048
54aff467 2049#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
4d1ff10f 2050# ifdef USE_5005THREADS
ba869deb 2051# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
54aff467
GS		 2052# else
2053# ifdef MULTIPLICITY
ba869deb 2054# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
54aff467
GS		 2055# endif
2056# endif
ba869deb
GS		 2057# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2058#endif
2059
894356b3
GS		 2060#ifndef SVf
2061# ifdef CHECK_FORMAT
2062# define SVf "p"
2063# else
2064# define SVf "_"
d460ef45 2065# endif
894356b3
GS		 2066#endif
2067
d2560b70
RB		 2068#ifndef UVf
2069# ifdef CHECK_FORMAT
2070# define UVf UVuf
2071# else
2072# define UVf "Vu"
d460ef45 2073# endif
d2560b70
RB		 2074#endif
2075
2076#ifndef VDf
2077# ifdef CHECK_FORMAT
2078# define VDf "p"
2079# else
2080# define VDf "vd"
d460ef45 2081# endif
d2560b70
RB		 2082#endif
2083
b3fe4827
RB		 2084#ifndef Nullformat
2085# ifdef CHECK_FORMAT
2086# define Nullformat "%s",""
2087# else
2088# define Nullformat Nullch
2089# endif
2090#endif
2091
3fc1aec6 2092/* Some unistd.h's give a prototype for pause() even though
2093 HAS_PAUSE ends up undefined. This causes the #define
d2560b70 2094 below to be rejected by the compiler. Sigh.
3fc1aec6 2095*/
2096#ifdef HAS_PAUSE
2097#define Pause pause
2098#else
2099#define Pause() sleep((32767<<16)+32767)
748a9306
LW		 2100#endif
2101
2102#ifndef IOCPARM_LEN
2103# ifdef IOCPARM_MASK
2104 /* on BSDish systes we're safe */
2105# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2106# else
2107 /* otherwise guess at what's safe */
2108# define IOCPARM_LEN(x) 256
2109# endif
a0d0e21e
LW		 2110#endif
2111
1761cee5 2112#if defined(__CYGWIN__)
521e0776
GS		 2113/* USEMYBINMODE
2114 * This symbol, if defined, indicates that the program should
16fe6d59 2115 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
521e0776
GS		 2116 * that a file is in "binary" mode -- that is, that no translation
2117 * of bytes occurs on read or write operations.
2118 */
2119# define USEMYBINMODE / **/
16fe6d59
GS		 2120# define my_binmode(fp, iotype, mode) \
2121 (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -1 ? TRUE : FALSE)
5aabfad6 2122#endif
2123
cea2e8a9
GS		 2124#ifdef UNION_ANY_DEFINITION
2125UNION_ANY_DEFINITION;
2126#else
2127union any {
2128 void* any_ptr;
2129 I32 any_i32;
2130 IV any_iv;
2131 long any_long;
c76ac1ee 2132 void (*any_dptr) (void*);
acfe0abc 2133 void (*any_dxptr) (pTHX_ void*);
cea2e8a9
GS		 2134};
2135#endif
2136
4d1ff10f 2137#ifdef USE_5005THREADS
cea2e8a9
GS		 2138#define ARGSproto struct perl_thread *thr
2139#else
2140#define ARGSproto
4d1ff10f 2141#endif /* USE_5005THREADS */
cea2e8a9 2142
acfe0abc 2143typedef I32 (*filter_t) (pTHX_ int, SV *, int);
cea2e8a9
GS		 2144
2145#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2146#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2147#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2148
c5078cac
JH		 2149#if defined(_AIX) && !defined(_AIX43)
2150#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2151/* We cannot include <crypt.h> to get the struct crypt_data
2152 * because of setkey prototype problems when threading */
2153typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2154 /* From OSF, Not needed in AIX
2155 char C[28], D[28];
2156 */
2157 char E[48];
2158 char KS[16][48];
2159 char block[66];
2160 char iobuf[16];
2161} CRYPTD;
2162#endif /* threading */
2163#endif /* AIX */
2164
af8b425d 2165#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2166# include "iperlsys.h"
2167#endif
378cc40b 2168#include "regexp.h"
79072805 2169#include "sv.h"
378cc40b 2170#include "util.h"
8d063cd8 2171#include "form.h"
79072805
LW		 2172#include "gv.h"
2173#include "cv.h"
abdd5c84 2174#include "opnames.h"
79072805
LW		 2175#include "op.h"
2176#include "cop.h"
2177#include "av.h"
2178#include "hv.h"
2179#include "mg.h"
2180#include "scope.h"
4438c4b7 2181#include "warnings.h"
a0ed51b3 2182#include "utf8.h"
8d063cd8 2183
7fae4e64
GS		 2184/* Current curly descriptor */
2185typedef struct curcur CURCUR;
2186struct curcur {
2187 int parenfloor; /* how far back to strip paren data */
2188 int cur; /* how many instances of scan we've matched */
2189 int min; /* the minimal number of scans to match */
2190 int max; /* the maximal number of scans to match */
2191 int minmod; /* whether to work our way up or down */
2192 regnode * scan; /* the thing to match */
2193 regnode * next; /* what has to match after it */
2194 char * lastloc; /* where we started matching this scan */
2195 CURCUR * oldcc; /* current curly before we started this one */
2196};
2197
2198typedef struct _sublex_info SUBLEXINFO;
2199struct _sublex_info {
2200 I32 super_state; /* lexer state to save */
2201 I32 sub_inwhat; /* "lex_inwhat" to use */
2202 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2203 char *super_bufptr; /* PL_bufptr that was */
2204 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2205};
2206
455ece5e 2207typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2208
2c2d71f5 2209struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2210struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2211
2212typedef I32 CHECKPOINT;
76e3520e 2213
5f7fde29
GS		 2214struct ptr_tbl_ent {
2215 struct ptr_tbl_ent* next;
2216 void* oldval;
2217 void* newval;
d18c6117
GS		 2218};
2219
5f7fde29
GS		 2220struct ptr_tbl {
2221 struct ptr_tbl_ent** tbl_ary;
2222 UV tbl_max;
2223 UV tbl_items;
d18c6117
GS		 2224};
2225
450a55e4 2226#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2227# define I286
2228#endif
2229
fe14fcc3
LW		 2230#if defined(htonl) && !defined(HAS_HTONL)
2231#define HAS_HTONL
ae986130 2232#endif
fe14fcc3
LW		 2233#if defined(htons) && !defined(HAS_HTONS)
2234#define HAS_HTONS
ae986130 2235#endif
fe14fcc3
LW		 2236#if defined(ntohl) && !defined(HAS_NTOHL)
2237#define HAS_NTOHL
ae986130 2238#endif
fe14fcc3
LW		 2239#if defined(ntohs) && !defined(HAS_NTOHS)
2240#define HAS_NTOHS
ae986130 2241#endif
fe14fcc3 2242#ifndef HAS_HTONL
d9d8d8de 2243#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2244#define HAS_HTONS
2245#define HAS_HTONL
2246#define HAS_NTOHS
2247#define HAS_NTOHL
a687059c
LW		 2248#define MYSWAP
2249#define htons my_swap
2250#define htonl my_htonl
2251#define ntohs my_swap
2252#define ntohl my_ntohl
2253#endif
2254#else
d9d8d8de 2255#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2256#undef HAS_HTONS
2257#undef HAS_HTONL
2258#undef HAS_NTOHS
2259#undef HAS_NTOHL
a687059c
LW		 2260#endif
2261#endif
2262
988174c1
LW		 2263/*
2264 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2265 * -DWS
2266 */
2267#if BYTEORDER != 0x1234
2268# define HAS_VTOHL
2269# define HAS_VTOHS
2270# define HAS_HTOVL
2271# define HAS_HTOVS
c67712b2 2272# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2273# define vtohl(x) ((((x)&0xFF)<<24) \
2274 +(((x)>>24)&0xFF) \
2275 +(((x)&0x0000FF00)<<8) \
2276 +(((x)&0x00FF0000)>>8) )
2277# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2278# define htovl(x) vtohl(x)
2279# define htovs(x) vtohs(x)
2280# endif
2281 /* otherwise default to functions in util.c */
2a8c3029 2282#ifndef htovs
c623ac67
GS		 2283short htovs(short n);
2284short vtohs(short n);
2285long htovl(long n);
2286long vtohl(long n);
988174c1 2287#endif
2a8c3029 2288#endif
988174c1 2289
3bb7c1b4
JH		 2290/* *MAX Plus 1. A floating point value.
2291 Hopefully expressed in a way that dodgy floating point can't mess up.
2292 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2293 is added to it
2294 May find that some broken compiler will want the value cast to I32.
2295 [after the shift, as signed >> may not be as secure as unsigned >>]
2296*/
2297#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2298#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2299/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2300 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2301 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2302*/
2303#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2304
3bb7c1b4
JH		 2305#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2306#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2307#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2308
2309/* This may look like unnecessary jumping through hoops, but converting
2310 out of range floating point values to integers *is* undefined behaviour,
2311 and it is starting to bite.
2312*/
2313#ifndef CAST_INLINE
65202027 2314#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2315#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2316#define I_V(what) (cast_iv((NV)(what)))
2317#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2318#else
2319#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2320 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2321 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2322#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2323 : ((n) < U32_MAX_P1 ? (U32) (n) \
2324 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2325#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2326 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2327 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2328#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2329 : ((n) < UV_MAX_P1 ? (UV) (n) \
2330 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2331#endif
2332
2333#define U_S(what) ((U16)U_32(what))
2334#define U_I(what) ((unsigned int)U_32(what))
2335#define U_L(what) U_32(what)
ed6116ce 2336
2d4389e4
JH		 2337/* These do not care about the fractional part, only about the range. */
2338#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2339#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2340
25da4f38
IZ		 2341/* Used with UV/IV arguments: */
2342 /* XXXX: need to speed it up */
2343#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2344#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2345
352d5a3a
LW		 2346#ifndef MAXSYSFD
2347# define MAXSYSFD 2
2348#endif
ee0007ab 2349
79072805 2350#ifndef __cplusplus
e1caacb4 2351#ifndef UNDER_CE
20ce7b12
GS		 2352Uid_t getuid (void);
2353Uid_t geteuid (void);
2354Gid_t getgid (void);
2355Gid_t getegid (void);
79072805 2356#endif
e1caacb4 2357#endif
8d063cd8 2358
0c30d9ec 2359#ifndef Perl_debug_log
bf49b057
GS		 2360# define Perl_debug_log PerlIO_stderr()
2361#endif
2362
2363#ifndef Perl_error_log
2364# define Perl_error_log (PL_stderrgv \
01bb7c6d 2365 && GvIOp(PL_stderrgv) \
42de951c 2366 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2367 ? IoOFP(GvIOp(PL_stderrgv)) \
2368 : PerlIO_stderr())
0c30d9ec 2369#endif
3967c732 2370
aea4f609
DM		 2371
2372#define DEBUG_p_FLAG 0x00000001 /* 1 */
2373#define DEBUG_s_FLAG 0x00000002 /* 2 */
2374#define DEBUG_l_FLAG 0x00000004 /* 4 */
2375#define DEBUG_t_FLAG 0x00000008 /* 8 */
2376#define DEBUG_o_FLAG 0x00000010 /* 16 */
2377#define DEBUG_c_FLAG 0x00000020 /* 32 */
2378#define DEBUG_P_FLAG 0x00000040 /* 64 */
2379#define DEBUG_m_FLAG 0x00000080 /* 128 */
2380#define DEBUG_f_FLAG 0x00000100 /* 256 */
2381#define DEBUG_r_FLAG 0x00000200 /* 512 */
2382#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2383#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2384#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2385#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2386#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2387#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2388#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2389#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2390#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a
IZ		 2391#define DEBUG_J_FLAG 0x00080000 /* 524288 */
2392#define DEBUG_MASK 0x000FFFFF /* mask of all the standard flags */
aea4f609
DM		 2393
2394#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2395#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2396 that something was done? */
aea4f609 2397
bd16a5f0
IZ		 2398# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2399# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2400# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2401# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2402# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2403# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2404# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2405# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2406# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2407# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2408# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2409# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2410# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2411# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2412# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2413# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2414# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2415# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2416# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2417# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
bd16a5f0 2418
3967c732 2419#ifdef DEBUGGING
aea4f609
DM		 2420
2421# undef YYDEBUG
2422# define YYDEBUG 1
2423
bd16a5f0
IZ		 2424# define DEBUG_p_TEST DEBUG_p_TEST_
2425# define DEBUG_s_TEST DEBUG_s_TEST_
2426# define DEBUG_l_TEST DEBUG_l_TEST_
2427# define DEBUG_t_TEST DEBUG_t_TEST_
2428# define DEBUG_o_TEST DEBUG_o_TEST_
2429# define DEBUG_c_TEST DEBUG_c_TEST_
2430# define DEBUG_P_TEST DEBUG_P_TEST_
2431# define DEBUG_m_TEST DEBUG_m_TEST_
2432# define DEBUG_f_TEST DEBUG_f_TEST_
2433# define DEBUG_r_TEST DEBUG_r_TEST_
2434# define DEBUG_x_TEST DEBUG_x_TEST_
2435# define DEBUG_u_TEST DEBUG_u_TEST_
2436# define DEBUG_L_TEST DEBUG_L_TEST_
2437# define DEBUG_H_TEST DEBUG_H_TEST_
2438# define DEBUG_X_TEST DEBUG_X_TEST_
2439# define DEBUG_D_TEST DEBUG_D_TEST_
2440# define DEBUG_S_TEST DEBUG_S_TEST_
2441# define DEBUG_T_TEST DEBUG_T_TEST_
2442# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2443# define DEBUG_J_TEST DEBUG_J_TEST_
aea4f609
DM		 2444
2445# define DEB(a) a
2446# define DEBUG(a) if (PL_debug) a
2447# define DEBUG_p(a) if (DEBUG_p_TEST) a
2448# define DEBUG_s(a) if (DEBUG_s_TEST) a
2449# define DEBUG_l(a) if (DEBUG_l_TEST) a
2450# define DEBUG_t(a) if (DEBUG_t_TEST) a
2451# define DEBUG_o(a) if (DEBUG_o_TEST) a
2452# define DEBUG_c(a) if (DEBUG_c_TEST) a
2453# define DEBUG_P(a) if (DEBUG_P_TEST) a
2454
969058bb
VK		 2455 /* Temporarily turn off memory debugging in case the a
2456 * does memory allocation, either directly or indirectly. */
acfe0abc 2457# define DEBUG_m(a) \
0b250b9e 2458 STMT_START { \
aea4f609 2459 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2460 } STMT_END
aea4f609 2461
5f80b19c
AMS		 2462# define DEBUG__(t, a) \
2463 STMT_START { \
2464 if (t) STMT_START {a;} STMT_END; \
2465 } STMT_END
2466
2467# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2468# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2469# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2470# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2471# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2472# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2473# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2474# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2475
4d1ff10f 2476# ifdef USE_5005THREADS
5f80b19c 2477# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2478# else
2479# define DEBUG_S(a)
2480# endif
aea4f609 2481
5f80b19c
AMS		 2482# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2483# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2484
2485#else /* DEBUGGING */
2486
2487# define DEBUG_p_TEST (0)
2488# define DEBUG_s_TEST (0)
2489# define DEBUG_l_TEST (0)
2490# define DEBUG_t_TEST (0)
2491# define DEBUG_o_TEST (0)
2492# define DEBUG_c_TEST (0)
2493# define DEBUG_P_TEST (0)
2494# define DEBUG_m_TEST (0)
2495# define DEBUG_f_TEST (0)
2496# define DEBUG_r_TEST (0)
2497# define DEBUG_x_TEST (0)
2498# define DEBUG_u_TEST (0)
2499# define DEBUG_L_TEST (0)
2500# define DEBUG_H_TEST (0)
2501# define DEBUG_X_TEST (0)
2502# define DEBUG_D_TEST (0)
2503# define DEBUG_S_TEST (0)
2504# define DEBUG_T_TEST (0)
04932ac8 2505# define DEBUG_R_TEST (0)
1045810a 2506# define DEBUG_J_TEST (0)
aea4f609
DM		 2507
2508# define DEB(a)
2509# define DEBUG(a)
2510# define DEBUG_p(a)
2511# define DEBUG_s(a)
2512# define DEBUG_l(a)
2513# define DEBUG_t(a)
2514# define DEBUG_o(a)
2515# define DEBUG_c(a)
2516# define DEBUG_P(a)
2517# define DEBUG_m(a)
2518# define DEBUG_f(a)
2519# define DEBUG_r(a)
2520# define DEBUG_x(a)
2521# define DEBUG_u(a)
2522# define DEBUG_L(a)
2523# define DEBUG_H(a)
2524# define DEBUG_X(a)
2525# define DEBUG_D(a)
2526# define DEBUG_S(a)
2527# define DEBUG_T(a)
04932ac8 2528# define DEBUG_R(a)
aea4f609
DM		 2529#endif /* DEBUGGING */
2530
2531
d1be9408 2532/* These constants should be used in preference to raw characters
14befaf4
DM		 2533 * when using magic. Note that some perl guts still assume
2534 * certain character properties of these constants, namely that
2535 * isUPPER() and toLOWER() may do useful mappings.
2536 *
2537 * Update the magic_names table in dump.c when adding/amending these
2538 */
2539
2540#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2541#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2542#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2543#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2544#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2545#define PERL_MAGIC_regdata 'D' /* Regex match position data
2546 (@+ and @- vars) */
2547#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2548#define PERL_MAGIC_env 'E' /* %ENV hash */
2549#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2550#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2551#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2552#define PERL_MAGIC_isa 'I' /* @ISA array */
2553#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2554#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2555#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2556#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2557#define PERL_MAGIC_mutex 'm' /* for lock op */
2558#define PERL_MAGIC_shared 'N' /* Shared between threads */
2559#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2560#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2561#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2562#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2563#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2564#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2565#define PERL_MAGIC_sig 'S' /* %SIG hash */
2566#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2567#define PERL_MAGIC_taint 't' /* Taintedness */
2568#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2569#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4
DM		 2570#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2571#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2572#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2573 smart parameter vivification */
2574#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2575#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2576#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2577#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2578#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2579
2580
fe14fcc3 2581#define YYMAXDEPTH 300
8d063cd8 2582
a6e633de 2583#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2584#ifdef DEBUGGING
2585#define assert(what) DEB( { \
2586 if (!(what)) { \
2587 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2588 __FILE__, __LINE__); \
2589 PerlProc_exit(1); \
2590 }})
2591#else
79072805
LW		 2592#define assert(what) DEB( { \
2593 if (!(what)) { \
cea2e8a9 2594 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2595 __FILE__, __LINE__); \
cea2e8a9 2596 PerlProc_exit(1); \
79072805 2597 }})
a6e633de 2598#endif
a446a88f 2599#endif
8d063cd8 2600
450a55e4 2601struct ufuncs {
24f81a43
DM		 2602 I32 (*uf_val)(pTHX_ IV, SV*);
2603 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2604 IV uf_index;
450a55e4
LW		 2605};
2606
14befaf4 2607/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2608 * XS code wanting to be backward compatible can do something
2609 * like the following:
c745e42c 2610
24f81a43 2611#ifndef PERL_MG_UFUNC
24f81a43
DM		 2612#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2613#endif
2614
2615static PERL_MG_UFUNC(foo_get, index, val)
2616{
2617 sv_setsv(val, ...);
2618 return TRUE;
2619}
2620
2621-- Doug MacEachern
2622
2623*/
2624
fc9c74e6 2625#ifndef PERL_MG_UFUNC
24f81a43 2626#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2627#endif
24f81a43 2628
fe14fcc3 2629/* Fix these up for __STDC__ */
68dc0745 2630#ifndef DONT_DECLARE_STD
20ce7b12 2631char *mktemp (char*);
37bd1396 2632#ifndef atof
20ce7b12 2633double atof (const char*);
a0d0e21e 2634#endif
37bd1396 2635#endif
79072805 2636
352d5a3a 2637#ifndef STANDARD_C
fe14fcc3 2638/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2639Time_t time();
8d063cd8 2640struct tm *gmtime(), *localtime();
092bebab 2641#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2642char *(strchr)(), *(strrchr)();
2643char *(strcpy)(), *(strcat)();
2644#else
93a17b20 2645char *strchr(), *strrchr();
378cc40b 2646char *strcpy(), *strcat();
9d116dd7 2647#endif
352d5a3a 2648#endif /* ! STANDARD_C */
8d063cd8 2649
79072805
LW		 2650
2651#ifdef I_MATH
2652# include <math.h>
2653#else
32f822de 2654START_EXTERN_C
20ce7b12
GS		 2655 double exp (double);
2656 double log (double);
2657 double log10 (double);
2658 double sqrt (double);
2659 double frexp (double,int*);
2660 double ldexp (double,int);
2661 double modf (double,double*);
2662 double sin (double);
2663 double cos (double);
2664 double atan2 (double,double);
2665 double pow (double,double);
32f822de 2666END_EXTERN_C
79072805
LW		 2667#endif
2668
aa8b85de
JH		 2669#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2670# define NV_INF LDBL_INFINITY
2671#endif
2672#if !defined(NV_INF) && defined(DBL_INFINITY)
2673# define NV_INF (NV)DBL_INFINITY
2674#endif
2675#if !defined(NV_INF) && defined(INFINITY)
2676# define NV_INF (NV)INFINITY
2677#endif
2678#if !defined(NV_INF) && defined(INF)
2679# define NV_INF (NV)INF
2680#endif
2681#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2682# define NV_INF (NV)HUGE_VALL
2683#endif
2684#if !defined(NV_INF) && defined(HUGE_VAL)
2685# define NV_INF (NV)HUGE_VAL
2686#endif
2687
2688#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2689# if !defined(NV_NAN) && defined(LDBL_NAN)
2690# define NV_NAN LDBL_NAN
2691# endif
2692# if !defined(NV_NAN) && defined(LDBL_QNAN)
2693# define NV_NAN LDBL_QNAN
2694# endif
2695# if !defined(NV_NAN) && defined(LDBL_SNAN)
2696# define NV_NAN LDBL_SNAN
2697# endif
2698#endif
2699#if !defined(NV_NAN) && defined(DBL_NAN)
2700# define NV_NAN (NV)DBL_NAN
2701#endif
2702#if !defined(NV_NAN) && defined(DBL_QNAN)
2703# define NV_NAN (NV)DBL_QNAN
2704#endif
2705#if !defined(NV_NAN) && defined(DBL_SNAN)
2706# define NV_NAN (NV)DBL_SNAN
2707#endif
2708#if !defined(NV_NAN) && defined(QNAN)
2709# define NV_NAN (NV)QNAN
2710#endif
2711#if !defined(NV_NAN) && defined(SNAN)
2712# define NV_NAN (NV)SNAN
2713#endif
2714#if !defined(NV_NAN) && defined(NAN)
2715# define NV_NAN (NV)NAN
2716#endif
2717
a0d0e21e 2718#ifndef __cplusplus
8f1f23e8 2719# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2720char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2721# else
fd8cd3a3 2722# if !defined(WIN32) && !defined(VMS)
10bc17b6 2723#ifndef crypt
20ce7b12 2724char *crypt (const char*, const char*);
10bc17b6 2725#endif
5014db98 2726# endif /* !WIN32 */
8f1f23e8 2727# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2728# ifndef DONT_DECLARE_STD
2729# ifndef getenv
20ce7b12 2730char *getenv (const char*);
26618a56 2731# endif /* !getenv */
28ca6303 2732# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2733# ifdef _FILE_OFFSET_BITS
28ca6303 2734# if _FILE_OFFSET_BITS == 64
20ce7b12 2735Off_t lseek (int,Off_t,int);
0fc67700
JH		 2736# endif
2737# endif
bf0c440f 2738# endif
26618a56 2739# endif /* !DONT_DECLARE_STD */
10bc17b6 2740#ifndef getlogin
20ce7b12 2741char *getlogin (void);
10bc17b6 2742#endif
26618a56 2743#endif /* !__cplusplus */
79072805 2744
16d20bd9 2745#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2746#define UNLINK unlnk
20ce7b12 2747I32 unlnk (char*);
8d063cd8 2748#else
80252599 2749#define UNLINK PerlLIO_unlink
8d063cd8 2750#endif
a687059c 2751
fa0a29af
JH		 2752/* some versions of glibc are missing the setresuid() proto */
2753#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2754int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2755#endif
fa0a29af
JH		 2756/* some versions of glibc are missing the setresgid() proto */
2757#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2758int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2759#endif
2760
fe14fcc3 2761#ifndef HAS_SETREUID
85e6fe83
LW		 2762# ifdef HAS_SETRESUID
2763# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2764# define HAS_SETREUID
2765# endif
a687059c 2766#endif
fe14fcc3 2767#ifndef HAS_SETREGID
85e6fe83
LW		 2768# ifdef HAS_SETRESGID
2769# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2770# define HAS_SETREGID
2771# endif
a687059c 2772#endif
ee0007ab 2773
d543acb6 2774/* Sighandler_t defined in iperlsys.h */
ff68c719 2775
2776#ifdef HAS_SIGACTION
2777typedef struct sigaction Sigsave_t;
2778#else
2779typedef Sighandler_t Sigsave_t;
2780#endif
2781
ee0007ab
LW		 2782#define SCAN_DEF 0
2783#define SCAN_TR 1
2784#define SCAN_REPL 2
79072805
LW		 2785
2786#ifdef DEBUGGING
4633a7c4 2787# ifndef register
a0d0e21e
LW		 2788# define register
2789# endif
2790# define PAD_SV(po) pad_sv(po)
cea2e8a9 2791# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2792#else
6b88bc9c 2793# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2794# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2795#endif
2796
18f739ee 2797#ifdef MYMALLOC
772fe5b3 2798# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2799# define MALLOC_INIT \
2800 STMT_START { \
2801 PL_malloc_mutex = NULL; \
2802 MUTEX_INIT(&PL_malloc_mutex); \
2803 } STMT_END
2804# define MALLOC_TERM \
2805 STMT_START { \
2806 perl_mutex tmp = PL_malloc_mutex; \
2807 PL_malloc_mutex = NULL; \
2808 MUTEX_DESTROY(&tmp); \
2809 } STMT_END
2810# else
2811# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2812# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2813# endif
18f739ee
IZ		 2814#else
2815# define MALLOC_INIT
2816# define MALLOC_TERM
2817#endif
2818
b6d9d515 2819
0cb96387 2820typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2821typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
62375a60 2822typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
0cb96387 2823typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2824
940cb80d 2825/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2826#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2827
8f1f23e8
W		 2828/* NeXT has problems with crt0.o globals */
2829#if defined(__DYNAMIC__) && \
2830 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2831# if defined(NeXT) || defined(__NeXT)
2832# include <mach-o/dyld.h>
2833# define environ (*environ_pointer)
0c30d9ec 2834EXT char *** environ_pointer;
8f1f23e8 2835# else
82cabb9e 2836# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2837# include <crt_externs.h> /* for the env array */
2838# define environ (*_NSGetEnviron())
2839# endif
0c30d9ec 2840# endif
8f1f23e8
W		 2841#else
2842 /* VMS and some other platforms don't use the environ array */
13b6e58c 2843# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2844# if !defined(DONT_DECLARE_STD) || \
2845 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2846 defined(__sgi) || \
d460ef45 2847 defined(__DGUX)
8f1f23e8 2848extern char ** environ; /* environment variables supplied via exec */
a6c40364 2849# endif
8f1f23e8
W		 2850# endif
2851#endif
79072805 2852
73c4f7a1
GS		 2853START_EXTERN_C
2854
79072805 2855/* handy constants */
22c35a8c 2856EXTCONST char PL_warn_uninit[]
b89fed5f 2857 INIT("Use of uninitialized value%s%s");
22c35a8c 2858EXTCONST char PL_warn_nosemi[]
463ee0b2 2859 INIT("Semicolon seems to be missing");
22c35a8c 2860EXTCONST char PL_warn_reserved[]
463ee0b2 2861 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2862EXTCONST char PL_warn_nl[]
93a17b20 2863 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2864EXTCONST char PL_no_wrongref[]
a0d0e21e 2865 INIT("Can't use %s ref as %s ref");
22c35a8c 2866EXTCONST char PL_no_symref[]
748a9306 2867 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2868EXTCONST char PL_no_usym[]
8990e307 2869 INIT("Can't use an undefined value as %s reference");
22c35a8c 2870EXTCONST char PL_no_aelem[]
93a17b20 2871 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2872EXTCONST char PL_no_helem[]
93a17b20 2873 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2874EXTCONST char PL_no_modify[]
93a17b20 2875 INIT("Modification of a read-only value attempted");
22c35a8c 2876EXTCONST char PL_no_mem[]
93a17b20 2877 INIT("Out of memory!\n");
22c35a8c 2878EXTCONST char PL_no_security[]
463ee0b2 2879 INIT("Insecure dependency in %s%s");
22c35a8c 2880EXTCONST char PL_no_sock_func[]
93a17b20 2881 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2882EXTCONST char PL_no_dir_func[]
93a17b20 2883 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2884EXTCONST char PL_no_func[]
93a17b20 2885 INIT("The %s function is unimplemented");
22c35a8c 2886EXTCONST char PL_no_myglob[]
748a9306 2887 INIT("\"my\" variable %s can't be in a package");
93a17b20 2888
7575fa06 2889EXTCONST char PL_uuemap[65]
80252599
GS		 2890 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2891
2892
79072805 2893#ifdef DOINIT
22c35a8c
GS		 2894EXT char *PL_sig_name[] = { SIG_NAME };
2895EXT int PL_sig_num[] = { SIG_NUM };
79072805 2896#else
22c35a8c
GS		 2897EXT char *PL_sig_name[];
2898EXT int PL_sig_num[];
79072805
LW		 2899#endif
2900
3bd709b1 2901/* fast conversion and case folding tables */
bbce6d69 2902
79072805 2903#ifdef DOINIT
9d116dd7 2904#ifdef EBCDIC
22c35a8c 2905EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2906 0, 1, 2, 3, 4, 5, 6, 7,
2907 8, 9, 10, 11, 12, 13, 14, 15,
2908 16, 17, 18, 19, 20, 21, 22, 23,
2909 24, 25, 26, 27, 28, 29, 30, 31,
2910 32, 33, 34, 35, 36, 37, 38, 39,
2911 40, 41, 42, 43, 44, 45, 46, 47,
2912 48, 49, 50, 51, 52, 53, 54, 55,
2913 56, 57, 58, 59, 60, 61, 62, 63,
2914 64, 65, 66, 67, 68, 69, 70, 71,
2915 72, 73, 74, 75, 76, 77, 78, 79,
2916 80, 81, 82, 83, 84, 85, 86, 87,
2917 88, 89, 90, 91, 92, 93, 94, 95,
2918 96, 97, 98, 99, 100, 101, 102, 103,
2919 104, 105, 106, 107, 108, 109, 110, 111,
2920 112, 113, 114, 115, 116, 117, 118, 119,
2921 120, 121, 122, 123, 124, 125, 126, 127,
2922 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2923 'H', 'I', 138, 139, 140, 141, 142, 143,
2924 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2925 'Q', 'R', 154, 155, 156, 157, 158, 159,
2926 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2927 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2928 176, 177, 178, 179, 180, 181, 182, 183,
2929 184, 185, 186, 187, 188, 189, 190, 191,
2930 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2931 'h', 'i', 202, 203, 204, 205, 206, 207,
2932 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2933 'q', 'r', 218, 219, 220, 221, 222, 223,
2934 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2935 'y', 'z', 234, 235, 236, 237, 238, 239,
2936 240, 241, 242, 243, 244, 245, 246, 247,
2937 248, 249, 250, 251, 252, 253, 254, 255
2938};
2939#else /* ascii rather than ebcdic */
22c35a8c 2940EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2941 0, 1, 2, 3, 4, 5, 6, 7,
2942 8, 9, 10, 11, 12, 13, 14, 15,
2943 16, 17, 18, 19, 20, 21, 22, 23,
2944 24, 25, 26, 27, 28, 29, 30, 31,
2945 32, 33, 34, 35, 36, 37, 38, 39,
2946 40, 41, 42, 43, 44, 45, 46, 47,
2947 48, 49, 50, 51, 52, 53, 54, 55,
2948 56, 57, 58, 59, 60, 61, 62, 63,
2949 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2950 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2951 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2952 'x', 'y', 'z', 91, 92, 93, 94, 95,
2953 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2954 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2955 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2956 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2957 128, 129, 130, 131, 132, 133, 134, 135,
2958 136, 137, 138, 139, 140, 141, 142, 143,
2959 144, 145, 146, 147, 148, 149, 150, 151,
2960 152, 153, 154, 155, 156, 157, 158, 159,
2961 160, 161, 162, 163, 164, 165, 166, 167,
2962 168, 169, 170, 171, 172, 173, 174, 175,
2963 176, 177, 178, 179, 180, 181, 182, 183,
2964 184, 185, 186, 187, 188, 189, 190, 191,
2965 192, 193, 194, 195, 196, 197, 198, 199,
2966 200, 201, 202, 203, 204, 205, 206, 207,
2967 208, 209, 210, 211, 212, 213, 214, 215,
2968 216, 217, 218, 219, 220, 221, 222, 223,
2969 224, 225, 226, 227, 228, 229, 230, 231,
2970 232, 233, 234, 235, 236, 237, 238, 239,
2971 240, 241, 242, 243, 244, 245, 246, 247,
2972 248, 249, 250, 251, 252, 253, 254, 255
2973};
9d116dd7 2974#endif /* !EBCDIC */
79072805 2975#else
22c35a8c 2976EXTCONST unsigned char PL_fold[];
79072805
LW		 2977#endif
2978
2979#ifdef DOINIT
22c35a8c 2980EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2981 0, 1, 2, 3, 4, 5, 6, 7,
2982 8, 9, 10, 11, 12, 13, 14, 15,
2983 16, 17, 18, 19, 20, 21, 22, 23,
2984 24, 25, 26, 27, 28, 29, 30, 31,
2985 32, 33, 34, 35, 36, 37, 38, 39,
2986 40, 41, 42, 43, 44, 45, 46, 47,
2987 48, 49, 50, 51, 52, 53, 54, 55,
2988 56, 57, 58, 59, 60, 61, 62, 63,
2989 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2990 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2991 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2992 'x', 'y', 'z', 91, 92, 93, 94, 95,
2993 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2994 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2995 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2996 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2997 128, 129, 130, 131, 132, 133, 134, 135,
2998 136, 137, 138, 139, 140, 141, 142, 143,
2999 144, 145, 146, 147, 148, 149, 150, 151,
3000 152, 153, 154, 155, 156, 157, 158, 159,
3001 160, 161, 162, 163, 164, 165, 166, 167,
3002 168, 169, 170, 171, 172, 173, 174, 175,
3003 176, 177, 178, 179, 180, 181, 182, 183,
3004 184, 185, 186, 187, 188, 189, 190, 191,
3005 192, 193, 194, 195, 196, 197, 198, 199,
3006 200, 201, 202, 203, 204, 205, 206, 207,
3007 208, 209, 210, 211, 212, 213, 214, 215,
3008 216, 217, 218, 219, 220, 221, 222, 223,
3009 224, 225, 226, 227, 228, 229, 230, 231,
3010 232, 233, 234, 235, 236, 237, 238, 239,
3011 240, 241, 242, 243, 244, 245, 246, 247,
3012 248, 249, 250, 251, 252, 253, 254, 255
3013};
3014#else
22c35a8c 3015EXT unsigned char PL_fold_locale[];
79072805
LW		 3016#endif
3017
3018#ifdef DOINIT
9d116dd7 3019#ifdef EBCDIC
22c35a8c 3020EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 3021 1, 2, 84, 151, 154, 155, 156, 157,
3022 165, 246, 250, 3, 158, 7, 18, 29,
3023 40, 51, 62, 73, 85, 96, 107, 118,
3024 129, 140, 147, 148, 149, 150, 152, 153,
3025 255, 6, 8, 9, 10, 11, 12, 13,
3026 14, 15, 24, 25, 26, 27, 28, 226,
3027 29, 30, 31, 32, 33, 43, 44, 45,
3028 46, 47, 48, 49, 50, 76, 77, 78,
3029 79, 80, 81, 82, 83, 84, 85, 86,
3030 87, 94, 95, 234, 181, 233, 187, 190,
3031 180, 96, 97, 98, 99, 100, 101, 102,
3032 104, 112, 182, 174, 236, 232, 229, 103,
3033 228, 226, 114, 115, 116, 117, 118, 119,
3034 120, 121, 122, 235, 176, 230, 194, 162,
3035 130, 131, 132, 133, 134, 135, 136, 137,
3036 138, 139, 201, 205, 163, 217, 220, 224,
3037 5, 248, 227, 244, 242, 255, 241, 231,
3038 240, 253, 16, 197, 19, 20, 21, 187,
3039 23, 169, 210, 245, 237, 249, 247, 239,
3040 168, 252, 34, 196, 36, 37, 38, 39,
3041 41, 42, 251, 254, 238, 223, 221, 213,
3042 225, 177, 52, 53, 54, 55, 56, 57,
3043 58, 59, 60, 61, 63, 64, 65, 66,
3044 67, 68, 69, 70, 71, 72, 74, 75,
3045 205, 208, 186, 202, 200, 218, 198, 179,
3046 178, 214, 88, 89, 90, 91, 92, 93,
3047 217, 166, 170, 207, 199, 209, 206, 204,
3048 160, 212, 105, 106, 108, 109, 110, 111,
3049 203, 113, 216, 215, 192, 175, 193, 243,
3050 172, 161, 123, 124, 125, 126, 127, 128,
3051 222, 219, 211, 195, 188, 193, 185, 184,
3052 191, 183, 141, 142, 143, 144, 145, 146
3053};
3054#else /* ascii rather than ebcdic */
22c35a8c 3055EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3056 1, 2, 84, 151, 154, 155, 156, 157,
3057 165, 246, 250, 3, 158, 7, 18, 29,
3058 40, 51, 62, 73, 85, 96, 107, 118,
3059 129, 140, 147, 148, 149, 150, 152, 153,
3060 255, 182, 224, 205, 174, 176, 180, 217,
3061 233, 232, 236, 187, 235, 228, 234, 226,
3062 222, 219, 211, 195, 188, 193, 185, 184,
3063 191, 183, 201, 229, 181, 220, 194, 162,
3064 163, 208, 186, 202, 200, 218, 198, 179,
3065 178, 214, 166, 170, 207, 199, 209, 206,
3066 204, 160, 212, 216, 215, 192, 175, 173,
3067 243, 172, 161, 190, 203, 189, 164, 230,
3068 167, 248, 227, 244, 242, 255, 241, 231,
3069 240, 253, 169, 210, 245, 237, 249, 247,
3070 239, 168, 252, 251, 254, 238, 223, 221,
3071 213, 225, 177, 197, 171, 196, 159, 4,
3072 5, 6, 8, 9, 10, 11, 12, 13,
3073 14, 15, 16, 17, 19, 20, 21, 22,
3074 23, 24, 25, 26, 27, 28, 30, 31,
3075 32, 33, 34, 35, 36, 37, 38, 39,
3076 41, 42, 43, 44, 45, 46, 47, 48,
3077 49, 50, 52, 53, 54, 55, 56, 57,
3078 58, 59, 60, 61, 63, 64, 65, 66,
3079 67, 68, 69, 70, 71, 72, 74, 75,
3080 76, 77, 78, 79, 80, 81, 82, 83,
3081 86, 87, 88, 89, 90, 91, 92, 93,
3082 94, 95, 97, 98, 99, 100, 101, 102,
3083 103, 104, 105, 106, 108, 109, 110, 111,
3084 112, 113, 114, 115, 116, 117, 119, 120,
3085 121, 122, 123, 124, 125, 126, 127, 128,
3086 130, 131, 132, 133, 134, 135, 136, 137,
3087 138, 139, 141, 142, 143, 144, 145, 146
3088};
9d116dd7 3089#endif
79072805 3090#else
22c35a8c 3091EXTCONST unsigned char PL_freq[];
79072805
LW		 3092#endif
3093
8990e307
LW		 3094#ifdef DEBUGGING
3095#ifdef DOINIT
22c35a8c 3096EXTCONST char* PL_block_type[] = {
8990e307
LW		 3097 "NULL",
3098 "SUB",
3099 "EVAL",
3100 "LOOP",
3101 "SUBST",
3102 "BLOCK",
3103};
3104#else
22c35a8c 3105EXTCONST char* PL_block_type[];
8990e307
LW		 3106#endif
3107#endif
3108
73c4f7a1
GS		 3109END_EXTERN_C
3110
79072805
LW		 3111/*****************************************************************************/
3112/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3113/*****************************************************************************/
8990e307 3114/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3115
a0d0e21e
LW		 3116#include "perly.h"
3117
fb73857a 3118#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3119
79072805
LW		 3120typedef enum {
3121 XOPERATOR,
3122 XTERM,
79072805 3123 XREF,
8990e307 3124 XSTATE,
a0d0e21e 3125 XBLOCK,
09bef843
SB		 3126 XATTRBLOCK,
3127 XATTRTERM,
a0d0e21e 3128 XTERMBLOCK
79072805
LW		 3129} expectation;
3130
dc9e4912
GS		 3131enum { /* pass one of these to get_vtbl */
3132 want_vtbl_sv,
3133 want_vtbl_env,
3134 want_vtbl_envelem,
3135 want_vtbl_sig,
3136 want_vtbl_sigelem,
3137 want_vtbl_pack,
3138 want_vtbl_packelem,
3139 want_vtbl_dbline,
3140 want_vtbl_isa,
3141 want_vtbl_isaelem,
3142 want_vtbl_arylen,
3143 want_vtbl_glob,
3144 want_vtbl_mglob,
3145 want_vtbl_nkeys,
3146 want_vtbl_taint,
3147 want_vtbl_substr,
3148 want_vtbl_vec,
3149 want_vtbl_pos,
3150 want_vtbl_bm,
3151 want_vtbl_fm,
3152 want_vtbl_uvar,
3153 want_vtbl_defelem,
3154 want_vtbl_regexp,
3155 want_vtbl_collxfrm,
3156 want_vtbl_amagic,
3157 want_vtbl_amagicelem,
4d1ff10f 3158#ifdef USE_5005THREADS
dc9e4912
GS		 3159 want_vtbl_mutex,
3160#endif
3161 want_vtbl_regdata,
810b8aa5
GS		 3162 want_vtbl_regdatum,
3163 want_vtbl_backref
dc9e4912
GS		 3164};
3165
85e6fe83
LW		 3166 /* Note: the lowest 8 bits are reserved for
3167 stuffing into op->op_private */
f3aa04c2 3168#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3169#define HINT_INTEGER 0x00000001
3170#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3171#define HINT_LOCALE 0x00000004
3172#define HINT_BYTES 0x00000008
393fec97 3173/* #define HINT_notused10 0x00000010 */
a0ed51b3 3174 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3175
3176#define HINT_BLOCK_SCOPE 0x00000100
3177#define HINT_STRICT_SUBS 0x00000200
3178#define HINT_STRICT_VARS 0x00000400
3179
b3ac6de7
IZ		 3180#define HINT_NEW_INTEGER 0x00001000
3181#define HINT_NEW_FLOAT 0x00002000
3182#define HINT_NEW_BINARY 0x00004000
3183#define HINT_NEW_STRING 0x00008000
3184#define HINT_NEW_RE 0x00010000
3185#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3186
b3eb6a9b 3187#define HINT_RE_TAINT 0x00100000
e4d48cc9 3188#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3189
5ff3f7a4 3190#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3191#define HINT_UTF8 0x00800000
5ff3f7a4 3192
84d4ea48
JH		 3193#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3194#define HINT_SORT_QUICKSORT 0x00000001
3195#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3196#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3197
8bfdd7d9 3198/* Various states of the input record separator SV (rs) */
d4cce5f1 3199#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3200#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3201#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3202#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3203
128e8167 3204/* A struct for keeping various DEBUGGING related stuff,
ce333219 3205 * neatly packed. Currently only scratch variables for
128e8167
JH		 3206 * constructing debug output are included. Needed always,
3207 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3208struct perl_debug_pad {
3209 SV pad[3];
3210};
3211
3212#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3213#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3214
56953603 3215/* Enable variables which are pointers to functions */
a2efc822 3216typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3217typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3218typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3219 char* strend, char* strbeg, I32 minend,
3220 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3221typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3222 char *strpos, char *strend,
3223 U32 flags,
3224 struct re_scream_pos_data_s *d);
3225typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3226typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3227
c76ac1ee 3228typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3229typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3230typedef void (*SVFUNC_t) (pTHX_ SV*);
3231typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3232typedef void (*XSINIT_t) (pTHX);
3233typedef void (*ATEXIT_t) (pTHX_ void*);
3234typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3235
22239a37
NIS		 3236/* Set up PERLVAR macros for populating structs */
3237#define PERLVAR(var,type) type var;
51371543 3238#define PERLVARA(var,n,type) type var[n];
22239a37 3239#define PERLVARI(var,type,init) type var;
3fe35a81 3240#define PERLVARIC(var,type,init) type var;
22239a37 3241
58a50f62
GS		 3242/* Interpreter exitlist entry */
3243typedef struct exitlistentry {
acfe0abc 3244 void (*fn) (pTHX_ void*);
58a50f62
GS		 3245 void *ptr;
3246} PerlExitListEntry;
3247
22239a37
NIS		 3248#ifdef PERL_GLOBAL_STRUCT
3249struct perl_vars {
7766f137 3250# include "perlvars.h"
22239a37
NIS		 3251};
3252
7766f137 3253# ifdef PERL_CORE
533c011a
NIS		 3254EXT struct perl_vars PL_Vars;
3255EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3256# else /* PERL_CORE */
3257# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3258EXT
7766f137 3259# endif /* WIN32 */
533c011a 3260struct perl_vars *PL_VarsPtr;
7766f137
GS		 3261# define PL_Vars (*((PL_VarsPtr) \
3262 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3263# endif /* PERL_CORE */
22239a37
NIS		 3264#endif /* PERL_GLOBAL_STRUCT */
3265
acfe0abc 3266#if defined(MULTIPLICITY)
d460ef45 3267/* If we have multiple interpreters define a struct
d4cce5f1 3268 holding variables which must be per-interpreter
d460ef45 3269 If we don't have threads anything that would have
d4cce5f1
NIS		 3270 be per-thread is per-interpreter.
3271*/
3272
79072805 3273struct interpreter {
4d1ff10f 3274# ifndef USE_5005THREADS
7766f137
GS		 3275# include "thrdvar.h"
3276# endif
3277# include "intrpvar.h"
3278/*
3279 * The following is a buffer where new variables must
acfe0abc 3280 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3281 */
3282PERLVARA(object_compatibility,30, char)
49f531da 3283};
d4cce5f1 3284
79072805 3285#else
49f531da
NIS		 3286struct interpreter {
3287 char broiled;
3288};
acfe0abc 3289#endif /* MULTIPLICITY */
79072805 3290
4d1ff10f 3291#ifdef USE_5005THREADS
d4cce5f1
NIS		 3292/* If we have threads define a struct with all the variables
3293 * that have to be per-thread
49f531da 3294 */
8023c3ce 3295
79072805 3296
49f531da 3297struct perl_thread {
49f531da 3298#include "thrdvar.h"
79072805 3299};
d4cce5f1 3300
22fae026
TM		 3301typedef struct perl_thread *Thread;
3302
3303#else
3304typedef void *Thread;
22239a37
NIS		 3305#endif
3306
3307/* Done with PERLVAR macros for now ... */
d4cce5f1 3308#undef PERLVAR
51371543 3309#undef PERLVARA
d4cce5f1 3310#undef PERLVARI
3fe35a81 3311#undef PERLVARIC
79072805 3312
22239a37 3313#include "thread.h"
79072805 3314#include "pp.h"
864dbfa3
GS		 3315
3316#ifndef PERL_CALLCONV
3317# define PERL_CALLCONV
d460ef45 3318#endif
864dbfa3 3319
65f19062
GS		 3320#ifndef NEXT30_NO_ATTRIBUTE
3321# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3322# ifdef __attribute__ /* Avoid possible redefinition errors */
3323# undef __attribute__
3324# endif
3325# define __attribute__(attr)
3326# endif
3327#endif
3328
0cb96387
GS		 3329#undef PERL_CKDEF
3330#undef PERL_PPDEF
3331#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3332#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3333
7766f137 3334#include "proto.h"
864dbfa3 3335
0cb96387 3336/* this has structure inits, so it cannot be included before here */
acfe0abc 3337#include "opcode.h"
864dbfa3 3338
d4cce5f1
NIS		 3339/* The following must follow proto.h as #defines mess up syntax */
3340
22c35a8c
GS		 3341#if !defined(PERL_FOR_X2P)
3342# include "embedvar.h"
3343#endif
d4cce5f1 3344
d460ef45 3345/* Now include all the 'global' variables
d4cce5f1 3346 * If we don't have threads or multiple interpreters
d460ef45 3347 * these include variables that would have been their struct-s
d4cce5f1 3348 */
d460ef45 3349
533c011a 3350#define PERLVAR(var,type) EXT type PL_##var;
51371543 3351#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3352#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3353#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3354
acfe0abc 3355#if !defined(MULTIPLICITY)
7766f137 3356START_EXTERN_C
066ef5b5 3357# include "intrpvar.h"
4d1ff10f 3358# ifndef USE_5005THREADS
066ef5b5
GS		 3359# include "thrdvar.h"
3360# endif
7766f137 3361END_EXTERN_C
22239a37
NIS		 3362#endif
3363
acfe0abc 3364#if defined(WIN32)
66a93824 3365/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3366# include "embed.h"
acfe0abc 3367#endif
22239a37 3368
c5be433b
GS		 3369#ifndef PERL_GLOBAL_STRUCT
3370START_EXTERN_C
3371
3372# include "perlvars.h"
3373
3374END_EXTERN_C
3375#endif
3376
d4cce5f1 3377#undef PERLVAR
51371543 3378#undef PERLVARA
d4cce5f1 3379#undef PERLVARI
0f3f18a6 3380#undef PERLVARIC
79072805 3381
73c4f7a1
GS		 3382START_EXTERN_C
3383
79072805 3384#ifdef DOINIT
bbce6d69 3385
68795e93 3386EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3387 MEMBER_TO_FPTR(Perl_magic_set),
3388 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3389 0, 0};
2b260de0
GS		 3390EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3391 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3392 0};
2b260de0
GS		 3393EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3394 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3395 0};
22c35a8c 3396EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3397#ifdef PERL_MICRO
3398EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3399#else
2b260de0
GS		 3400EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3401 MEMBER_TO_FPTR(Perl_magic_setsig),
3402 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3403 0};
64ca3a65 3404#endif
68795e93
NIS		 3405EXT MGVTBL PL_vtbl_pack = {0, 0,
3406 MEMBER_TO_FPTR(Perl_magic_sizepack),
3407 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3408 0};
2b260de0 3409EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3410 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3411 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3412 0};
2b260de0 3413EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3414 0, 0, 0};
2b260de0
GS		 3415EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3416 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3417 0};
2b260de0 3418EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3419 0, 0, 0};
2b260de0
GS		 3420EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3421 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3422 0, 0, 0};
2b260de0
GS		 3423EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3424 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3425 0, 0, 0};
2b260de0 3426EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3427 0, 0, 0};
2b260de0
GS		 3428EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3429 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3430 0, 0, 0};
68795e93
NIS		 3431EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3432 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3433 0, 0, 0};
68795e93
NIS		 3434EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3435 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3436 0, 0, 0};
2b260de0 3437EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3438 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3439 0, 0, 0};
2b260de0
GS		 3440EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3441 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3442 0, 0, 0};
2b260de0 3443EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3444 0, 0, 0};
2b260de0 3445EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3446 0, 0, 0};
2b260de0
GS		 3447EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3448 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3449 0, 0, 0};
4d1ff10f 3450#ifdef USE_5005THREADS
68795e93
NIS		 3451EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3452 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3453#endif /* USE_5005THREADS */
68795e93
NIS		 3454EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3455 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3456 0, 0, 0};
a0d0e21e 3457
2b260de0
GS		 3458EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3459EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3460EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3461 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3462
36477c24 3463#ifdef USE_LOCALE_COLLATE
22c35a8c 3464EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3465 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3466 0, 0, 0};
3467#endif
a0d0e21e 3468
2b260de0
GS		 3469EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3470 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3471EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3472 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3473
810b8aa5 3474EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3475 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3476
d460ef45
NIS		 3477EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3478 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3479
bbce6d69 3480#else /* !DOINIT */
3481
22c35a8c
GS		 3482EXT MGVTBL PL_vtbl_sv;
3483EXT MGVTBL PL_vtbl_env;
3484EXT MGVTBL PL_vtbl_envelem;
3485EXT MGVTBL PL_vtbl_sig;
3486EXT MGVTBL PL_vtbl_sigelem;
3487EXT MGVTBL PL_vtbl_pack;
3488EXT MGVTBL PL_vtbl_packelem;
3489EXT MGVTBL PL_vtbl_dbline;
3490EXT MGVTBL PL_vtbl_isa;
3491EXT MGVTBL PL_vtbl_isaelem;
3492EXT MGVTBL PL_vtbl_arylen;
3493EXT MGVTBL PL_vtbl_glob;
3494EXT MGVTBL PL_vtbl_mglob;
3495EXT MGVTBL PL_vtbl_nkeys;
3496EXT MGVTBL PL_vtbl_taint;
3497EXT MGVTBL PL_vtbl_substr;
3498EXT MGVTBL PL_vtbl_vec;
3499EXT MGVTBL PL_vtbl_pos;
3500EXT MGVTBL PL_vtbl_bm;
3501EXT MGVTBL PL_vtbl_fm;
3502EXT MGVTBL PL_vtbl_uvar;
d460ef45 3503EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3504
4d1ff10f 3505#ifdef USE_5005THREADS
22c35a8c 3506EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3507#endif /* USE_5005THREADS */
f93b4edd 3508
22c35a8c
GS		 3509EXT MGVTBL PL_vtbl_defelem;
3510EXT MGVTBL PL_vtbl_regexp;
3511EXT MGVTBL PL_vtbl_regdata;
3512EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3513
36477c24 3514#ifdef USE_LOCALE_COLLATE
22c35a8c 3515EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3516#endif
a0d0e21e 3517
22c35a8c
GS		 3518EXT MGVTBL PL_vtbl_amagic;
3519EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3520
810b8aa5
GS		 3521EXT MGVTBL PL_vtbl_backref;
3522
bbce6d69 3523#endif /* !DOINIT */
85e6fe83 3524
f5284f61
IZ		 3525enum {
3526 fallback_amg, abs_amg,
3527 bool__amg, nomethod_amg,
3528 string_amg, numer_amg,
3529 add_amg, add_ass_amg,
3530 subtr_amg, subtr_ass_amg,
3531 mult_amg, mult_ass_amg,
3532 div_amg, div_ass_amg,
3533 modulo_amg, modulo_ass_amg,
3534 pow_amg, pow_ass_amg,
3535 lshift_amg, lshift_ass_amg,
3536 rshift_amg, rshift_ass_amg,
3537 band_amg, band_ass_amg,
3538 bor_amg, bor_ass_amg,
3539 bxor_amg, bxor_ass_amg,
3540 lt_amg, le_amg,
3541 gt_amg, ge_amg,
3542 eq_amg, ne_amg,
3543 ncmp_amg, scmp_amg,
3544 slt_amg, sle_amg,
3545 sgt_amg, sge_amg,
3546 seq_amg, sne_amg,
3547 not_amg, compl_amg,
3548 inc_amg, dec_amg,
3549 atan2_amg, cos_amg,
3550 sin_amg, exp_amg,
3551 log_amg, sqrt_amg,
3552 repeat_amg, repeat_ass_amg,
3553 concat_amg, concat_ass_amg,
3554 copy_amg, neg_amg,
3555 to_sv_amg, to_av_amg,
3556 to_hv_amg, to_gv_amg,
d460ef45 3557 to_cv_amg, iter_amg,
f216259d
IZ		 3558 int_amg, DESTROY_amg,
3559 max_amg_code
64a0062a 3560 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3561};
3562
3563#define NofAMmeth max_amg_code
89ffc314 3564#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3565
a0d0e21e 3566#ifdef DOINIT
22c35a8c 3567EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3568 /* Names kept in the symbol table. fallback => "()", the rest has
3569 "(" prepended. The only other place in perl which knows about
3570 this convention is AMG_id2name (used for debugging output and
3571 'nomethod' only), the only other place which has it hardwired is
3572 overload.pm. */
3573 "()", "(abs", /* "fallback" should be the first. */
3574 "(bool", "(nomethod",
3575 "(\"\"", "(0+",
3576 "(+", "(+=",
3577 "(-", "(-=",
3578 "(*", "(*=",
3579 "(/", "(/=",
3580 "(%", "(%=",
3581 "(**", "(**=",
3582 "(<<", "(<<=",
3583 "(>>", "(>>=",
3584 "(&", "(&=",
3585 "(|", "(|=",
3586 "(^", "(^=",
3587 "(<", "(<=",
3588 "(>", "(>=",
3589 "(==", "(!=",
3590 "(<=>", "(cmp",
3591 "(lt", "(le",
3592 "(gt", "(ge",
3593 "(eq", "(ne",
3594 "(!", "(~",
3595 "(++", "(--",
3596 "(atan2", "(cos",
3597 "(sin", "(exp",
3598 "(log", "(sqrt",
3599 "(x", "(x=",
3600 "(.", "(.=",
3601 "(=", "(neg",
3602 "(${}", "(@{}",
3603 "(%{}", "(*{}",
3604 "(&{}", "(<>",
f216259d 3605 "(int", "DESTROY",
a0d0e21e
LW		 3606};
3607#else
22c35a8c 3608EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3609#endif /* def INITAMAGIC */
3610
73c4f7a1
GS		 3611END_EXTERN_C
3612
a6006777 3613struct am_table {
eb160463 3614 U32 was_ok_sub;
a0d0e21e 3615 long was_ok_am;
a6006777 3616 U32 flags;
3617 CV* table[NofAMmeth];
a0d0e21e
LW		 3618 long fallback;
3619};
a6006777 3620struct am_table_short {
eb160463 3621 U32 was_ok_sub;
a6006777 3622 long was_ok_am;
3623 U32 flags;
3624};
a0d0e21e 3625typedef struct am_table AMT;
a6006777 3626typedef struct am_table_short AMTS;
a0d0e21e
LW		 3627
3628#define AMGfallNEVER 1
3629#define AMGfallNO 2
3630#define AMGfallYES 3
3631
a6006777 3632#define AMTf_AMAGIC 1
32251b26 3633#define AMTf_OVERLOADED 2
a6006777 3634#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3635#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3636#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3637#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3638#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3639#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3640
32251b26 3641#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3642
3643/*
3644 * some compilers like to redefine cos et alia as faster
3645 * (and less accurate?) versions called F_cos et cetera (Quidquid
3646 * latine dictum sit, altum viditur.) This trick collides with
3647 * the Perl overloading (amg). The following #defines fool both.
3648 */
3649
3650#ifdef _FASTMATH
3651# ifdef atan2
3652# define F_atan2_amg atan2_amg
3653# endif
3654# ifdef cos
3655# define F_cos_amg cos_amg
3656# endif
3657# ifdef exp
3658# define F_exp_amg exp_amg
3659# endif
3660# ifdef log
3661# define F_log_amg log_amg
3662# endif
3663# ifdef pow
3664# define F_pow_amg pow_amg
3665# endif
3666# ifdef sin
3667# define F_sin_amg sin_amg
3668# endif
3669# ifdef sqrt
3670# define F_sqrt_amg sqrt_amg
3671# endif
3672#endif /* _FASTMATH */
3673
83ee9e09
GS		 3674#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3675 PERLDBf_NOOPT | PERLDBf_INTER | \
3676 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3677 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3678 /* No _NONAME, _GOTO */
3679#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3680#define PERLDBf_LINE 0x02 /* Keep line # */
3681#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3682#define PERLDBf_INTER 0x08 /* Preserve more data for
3683 later inspections */
3684#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3685#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3686#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3687#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3688#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3689#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3690
3280af22
NIS		 3691#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3692#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3693#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3694#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3695#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3696#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3697#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3698#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3699#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3700#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3701
bbce6d69 3702
36477c24 3703#ifdef USE_LOCALE_NUMERIC
bbce6d69 3704
36477c24 3705#define SET_NUMERIC_STANDARD() \
ff4fed7c 3706 set_numeric_standard();
36477c24 3707
3708#define SET_NUMERIC_LOCAL() \
ff4fed7c 3709 set_numeric_local();
bbce6d69 3710
2de3dbcc
JH		 3711#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3712#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3713
3714#define IN_LOCALE \
3715 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3716
f93f4e46 3717#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3718 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3719 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3720
3721#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3722 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3723 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3724
3725#define RESTORE_NUMERIC_LOCAL() \
3726 if (was_local) SET_NUMERIC_LOCAL();
3727
3728#define RESTORE_NUMERIC_STANDARD() \
3729 if (was_standard) SET_NUMERIC_STANDARD();
3730
5b877257 3731#define Atof my_atof
097ee67d 3732
36477c24 3733#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3734
097ee67d
JH		 3735#define SET_NUMERIC_STANDARD() /**/
3736#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3737#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3738#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3739#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3740#define RESTORE_NUMERIC_LOCAL() /**/
3741#define RESTORE_NUMERIC_STANDARD() /**/
2cdc7fd1 3742#define Atof my_atof
ad3e0f90 3743#define IN_LOCALE_RUNTIME 0
bbce6d69 3744
36477c24 3745#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3746
079290de 3747#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3748# ifdef __hpux
3749# define strtoll __strtoll /* secret handshake */
3750# endif
c623ac67
GS		 3751# ifdef WIN64
3752# define strtoll _strtoi64 /* secret handshake */
3753# endif
079290de
GS		 3754# if !defined(Strtol) && defined(HAS_STRTOLL)
3755# define Strtol strtoll
ad551343 3756# endif
28e5dec8
JH		 3757# if !defined(Strtol) && defined(HAS_STRTOQ)
3758# define Strtol strtoq
3759# endif
ff935051 3760/* is there atoq() anywhere? */
15b99d39 3761#endif
079290de
GS		 3762#if !defined(Strtol) && defined(HAS_STRTOL)
3763# define Strtol strtol
3764#endif
3765#ifndef Atol
3766/* It would be more fashionable to use Strtol() to define atol()
3767 * (as is done for Atoul(), see below) but for backward compatibility
3768 * we just assume atol(). */
76b882ba 3769# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
c623ac67
GS		 3770# ifdef WIN64
3771# define atoll _atoi64 /* secret handshake */
3772# endif
76b882ba
JH		 3773# define Atol atoll
3774# else
3775# define Atol atol
3776# endif
cf2093f6
JH		 3777#endif
3778
55eb892c 3779#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3780# ifdef __hpux
3781# define strtoull __strtoull /* secret handshake */
3782# endif
c623ac67
GS		 3783# ifdef WIN64
3784# define strtoull _strtoui64 /* secret handshake */
3785# endif
ad551343 3786# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3787# define Strtoul strtoull
15b99d39 3788# endif
079290de
GS		 3789# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3790# define Strtoul strtouq
3791# endif
76d49b1c 3792/* is there atouq() anywhere? */
ad551343 3793#endif
079290de
GS		 3794#if !defined(Strtoul) && defined(HAS_STRTOUL)
3795# define Strtoul strtoul
cf2093f6 3796#endif
079290de
GS		 3797#ifndef Atoul
3798# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3799#endif
cf2093f6 3800
e5c9fcd0 3801#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3802/*
3803 * Now we have __attribute__ out of the way
3804 * Remap printf
760ac839 3805 */
39455587 3806#undef printf
c745e42c
NIS		 3807#ifdef __GNUC__
3808#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3809#else
760ac839
LW		 3810#define printf PerlIO_stdoutf
3811#endif
c745e42c 3812#endif
760ac839 3813
06d86050
GS		 3814/* if these never got defined, they need defaults */
3815#ifndef PERL_SET_CONTEXT
3816# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3817#endif
3818
3819#ifndef PERL_GET_CONTEXT
3820# define PERL_GET_CONTEXT PERL_GET_INTERP
3821#endif
3822
3823#ifndef PERL_GET_THX
3824# define PERL_GET_THX ((void*)NULL)
3825#endif
3826
3827#ifndef PERL_SET_THX
3828# define PERL_SET_THX(t) NOOP
3829#endif
3830
a868473f
NIS		 3831#ifndef PERL_SCRIPT_MODE
3832#define PERL_SCRIPT_MODE "r"
3833#endif
3834
fba3b22e 3835/*
da927450
JH		 3836 * Some operating systems are stingy with stack allocation,
3837 * so perl may have to guard against stack overflow.
3838 */
3839#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3840#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3841#endif
3842
3843/*
3844 * Some nonpreemptive operating systems find it convenient to
3845 * check for asynchronous conditions after each op execution.
3846 * Keep this check simple, or it may slow down execution
3847 * massively.
3848 */
ce08f86c 3849
1d615522
JH		 3850#ifndef PERL_MICRO
3851# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3852# ifndef PERL_ASYNC_CHECK
3853# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3854# endif
1d615522 3855# endif
ce08f86c
NIS		 3856#endif
3857
da927450 3858#ifndef PERL_ASYNC_CHECK
1d615522 3859# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3860#endif
3861
3862/*
3863 * On some operating systems, a memory allocation may succeed,
3864 * but put the process too close to the system's comfort limit.
3865 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3866 * it to NULL.
3867 */
3868#ifndef PERL_ALLOC_CHECK
c2af87cb 3869#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3870#endif
3871
3872/*
fba3b22e
MB		 3873 * nice_chunk and nice_chunk size need to be set
3874 * and queried under the protection of sv_mutex
3875 */
30ad99e7
MJD		 3876#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3877 void *new_chunk; \
3878 U32 new_chunk_size; \
3879 LOCK_SV_MUTEX; \
3880 new_chunk = (void *)(chunk); \
3881 new_chunk_size = (chunk_size); \
3882 if (new_chunk_size > PL_nice_chunk_size) { \
3883 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3884 PL_nice_chunk = new_chunk; \
3885 PL_nice_chunk_size = new_chunk_size; \
3886 } else { \
3887 Safefree(chunk); \
3888 } \
3889 UNLOCK_SV_MUTEX; \
3890 } STMT_END
fba3b22e 3891
bd89102f
AD		 3892#ifdef HAS_SEM
3893# include <sys/ipc.h>
3894# include <sys/sem.h>
3895# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3896 union semun {
dbba660d
TC		 3897 int val;
3898 struct semid_ds *buf;
3899 unsigned short *array;
bd89102f
AD		 3900 };
3901# endif
3902# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3903# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3904 union gccbug_semun {
3905 int val;
3906 struct semid_ds *buf;
3907 unsigned short *array;
3908 char __dummy[5];
3909 };
3910# define semun gccbug_semun
3911# endif
bd89102f
AD		 3912# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3913# else
3914# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3915# ifdef EXTRA_F_IN_SEMUN_BUF
3916# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3917# else
3918# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3919# endif
bd89102f
AD		 3920# endif
3921# endif
bd89102f 3922#endif
49f531da 3923
89ca4ac7
JH		 3924/*
3925 * Boilerplate macros for initializing and accessing interpreter-local
3926 * data from C. All statics in extensions should be reworked to use
3927 * this, if you want to make the extension thread-safe. See ext/re/re.xs
3928 * for an example of the use of these macros.
3929 *
3930 * Code that uses these macros is responsible for the following:
3931 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
3932 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3933 * all the data that needs to be interpreter-local.
3934 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3935 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3936 * (typically put in the BOOT: section).
3937 * 5. Use the members of the my_cxt_t structure everywhere as
3938 * MY_CXT.member.
3939 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3940 * access MY_CXT.
3941 */
3942
fc958cd2 3943#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3944
3945/* This must appear in all extensions that define a my_cxt_t structure,
3946 * right after the definition (i.e. at file scope). The non-threads
3947 * case below uses it to declare the data as static. */
3948#define START_MY_CXT
3949
3950/* Fetches the SV that keeps the per-interpreter data. */
3951#define dMY_CXT_SV \
3952 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3953 sizeof(MY_CXT_KEY)-1, TRUE)
3954
3955/* This declaration should be used within all functions that use the
3956 * interpreter-local data. */
3957#define dMY_CXT \
3958 dMY_CXT_SV; \
ec0e15e0 3959 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 3960
3961/* Creates and zeroes the per-interpreter data.
3962 * (We allocate my_cxtp in a Perl SV so that it will be released when
3963 * the interpreter goes away.) */
3964#define MY_CXT_INIT \
3965 dMY_CXT_SV; \
3966 /* newSV() allocates one more than needed */ \
3967 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3968 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 3969 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 3970
3971/* This macro must be used to access members of the my_cxt_t structure.
3972 * e.g. MYCXT.some_data */
3973#define MY_CXT (*my_cxtp)
3974
3975/* Judicious use of these macros can reduce the number of times dMY_CXT
3976 * is used. Use is similar to pTHX, aTHX etc. */
3977#define pMY_CXT my_cxt_t *my_cxtp
3978#define pMY_CXT_ pMY_CXT,
3979#define _pMY_CXT ,pMY_CXT
3980#define aMY_CXT my_cxtp
3981#define aMY_CXT_ aMY_CXT,
3982#define _aMY_CXT ,aMY_CXT
3983
3984#else /* USE_ITHREADS */
3985
3986#define START_MY_CXT static my_cxt_t my_cxt;
3987#define dMY_CXT_SV dNOOP
3988#define dMY_CXT dNOOP
3989#define MY_CXT_INIT NOOP
3990#define MY_CXT my_cxt
3991
3992#define pMY_CXT void
3993#define pMY_CXT_
3994#define _pMY_CXT
3995#define aMY_CXT
3996#define aMY_CXT_
3997#define _aMY_CXT
3998
3999#endif /* !defined(USE_ITHREADS) */
4000
9a34ef1d
GS		 4001#ifdef I_FCNTL
4002# include <fcntl.h>
9a34ef1d
GS		 4003#endif
4004
4005#ifdef I_SYS_FILE
4006# include <sys/file.h>
4007#endif
4008
fa0a29af 4009#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 4010int flock(int fd, int op);
4011#endif
4012
fe52b3b7
GS		 4013#ifndef O_RDONLY
4014/* Assume UNIX defaults */
4015# define O_RDONLY 0000
4016# define O_WRONLY 0001
4017# define O_RDWR 0002
4018# define O_CREAT 0100
4019#endif
9a34ef1d 4020
16fe6d59
GS		 4021#ifndef O_BINARY
4022# define O_BINARY 0
4023#endif
4024
4025#ifndef O_TEXT
4026# define O_TEXT 0
4027#endif
4028
6ce75a77
JH		 4029#if O_TEXT != O_BINARY
4030 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4031 * that is, you are somehow DOSish. */
73250e76 4032# if defined(__BEOS__) || defined(__VOS__)
a6e45062
JH		 4033 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4034 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4035 /* VOS has O_TEXT != O_BINARY, and they have effect,
4036 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4037 /* If you have O_TEXT different from your O_BINARY but you still are
4038 * not a CRLF shop. */
35990314 4039# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4040# else
4041 /* If you really are DOSish. */
4042# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4043# endif
4044#endif
4045
104d25b7
JH		 4046#ifdef IAMSUID
4047
4048#ifdef I_SYS_STATVFS
9f982a77
IG		 4049# if defined(PERL_SCO) && !defined(_SVID3)
4050# define _SVID3
4051# endif
32b3cf08
JH		 4052# include <sys/statvfs.h> /* for f?statvfs() */
4053#endif
4054#ifdef I_SYS_MOUNT
4055# include <sys/mount.h> /* for *BSD f?statfs() */
4056#endif
4057#ifdef I_MNTENT
4058# include <mntent.h> /* for getmntent() */
104d25b7 4059#endif
0545a864
JH		 4060#ifdef I_SYS_STATFS
4061# include <sys/statfs.h> /* for some statfs() */
4062#endif
4063#ifdef I_SYS_VFS
8d9e1a19
GS		 4064# ifdef __sgi
4065# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4066# endif
4067# include <sys/vfs.h> /* for some statfs() */
4068# ifdef __sgi
4069# undef IRIX_sv
4070# endif
0545a864
JH		 4071#endif
4072#ifdef I_USTAT
4073# include <ustat.h> /* for ustat() */
4074#endif
4075
4076#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4077# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4078#endif
4079#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4080# define PERL_MOUNT_NOSUID MNT_NOSUID
4081#endif
4082#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4083# define PERL_MOUNT_NOSUID MS_NOSUID
4084#endif
4085#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4086# define PERL_MOUNT_NOSUID M_NOSUID
4087#endif
104d25b7
JH		 4088
4089#endif /* IAMSUID */
4090
4bc88a62
PS		 4091#ifdef I_LIBUTIL
4092# include <libutil.h> /* setproctitle() in some FreeBSDs */
4093#endif
4094
b4748376
NIS		 4095#ifndef EXEC_ARGV_CAST
4096#define EXEC_ARGV_CAST(x) x
4097#endif
4098
dd5dc04f
JH		 4099#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4100 int). value returned in pointed-
4101 to UV */
4102#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4103#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4104#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4105#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4106#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4107
4108#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4109
53305cf1
NC		 4110/* Input flags: */
4111#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4112#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 4113/* Output flags: */
4114#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4115
2c4f7f0e
DM		 4116/* to let user control profiling */
4117#ifdef PERL_GPROF_CONTROL
4118extern void moncontrol(int);
4119#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4120#else
4121#define PERL_GPROF_MONCONTROL(x)
4122#endif
4123
ae0e3d3b
JH		 4124#ifdef UNDER_CE
4125#include "wince.h"
4126#endif
4127
4128/* ISO 6429 NEL - C1 control NExt Line */
4129/* See http://www.unicode.org/unicode/reports/tr13/ */
4130#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4131# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4132# define NEXT_LINE_CHAR 0x15
4133# else /* CDRA */
4134# define NEXT_LINE_CHAR 0x25
4135# endif
4136#else
4137# define NEXT_LINE_CHAR 0x85
4138#endif
4139
4140/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4141#define UNICODE_LINE_SEPA_0 0xE2
4142#define UNICODE_LINE_SEPA_1 0x80
4143#define UNICODE_LINE_SEPA_2 0xA8
4144#define UNICODE_PARA_SEPA_0 0xE2
4145#define UNICODE_PARA_SEPA_1 0x80
4146#define UNICODE_PARA_SEPA_2 0xA9
4147
4d8076ea 4148/* and finally... */
cceca5ed 4149#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4150#include "patchlevel.h"
cceca5ed 4151#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4152
43999f95 4153/* Mention
d460ef45 4154
43999f95 4155 NV_PRESERVES_UV
fe749a9f 4156
fe749a9f
JH		 4157 HAS_MKSTEMP
4158 HAS_MKSTEMPS
4159 HAS_MKDTEMP
4160
49dabb45
JH		 4161 HAS_GETCWD
4162
d59b5429 4163 HAS_MMAP
fe749a9f
JH		 4164 HAS_MPROTECT
4165 HAS_MSYNC
1e8c3fde 4166 HAS_MADVISE
fe749a9f
JH		 4167 HAS_MUNMAP
4168 I_SYSMMAN
4169 Mmap_t
4170
6b4667fc
A		 4171 NVef
4172 NVff
4173 NVgf
4174
4e0554ec
JH		 4175 HAS_USLEEP
4176 HAS_UALARM
4177
4178 HAS_SETITIMER
4179 HAS_GETITIMER
4180
4181 HAS_SENDMSG
4182 HAS_RECVMSG
4183 HAS_READV
4184 HAS_WRITEV
4185 I_SYSUIO
4186 HAS_STRUCT_MSGHDR
4187 HAS_STRUCT_CMSGHDR
4188
2765b840 4189 HAS_NL_LANGINFO
0a7020c9 4190
ae0e3d3b 4191 HAS_DIRFD
2765b840 4192
43999f95
JH		 4193 so that Configure picks them up. */
4194
85e6fe83 4195#endif /* Include guard */
ae0e3d3b 4196
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