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a0d0e21e 1/* perl.h
a687059c 2 *
eb1102fc 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 */
eb1102fc 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
3657b6bb 452/* Cannot include embed.h here on Win32 as win32.h has not
66a93824
NIS		 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 1834# define ISHISH "macos classic"
13b6e58c
JH		 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 1845#endif
32f822de 1846
13b6e58c
JH		 1847#ifndef NO_ENVIRON_ARRAY
1848# define USE_ENVIRON_ARRAY
103a7189
JH		 1849#endif
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
af8b425d 2149#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2c2d71f5
JH		 2150# include "iperlsys.h"
2151#endif
378cc40b 2152#include "regexp.h"
79072805 2153#include "sv.h"
378cc40b 2154#include "util.h"
8d063cd8 2155#include "form.h"
79072805
LW		 2156#include "gv.h"
2157#include "cv.h"
abdd5c84 2158#include "opnames.h"
79072805
LW		 2159#include "op.h"
2160#include "cop.h"
2161#include "av.h"
2162#include "hv.h"
2163#include "mg.h"
2164#include "scope.h"
4438c4b7 2165#include "warnings.h"
a0ed51b3 2166#include "utf8.h"
8d063cd8 2167
7fae4e64
GS		 2168/* Current curly descriptor */
2169typedef struct curcur CURCUR;
2170struct curcur {
2171 int parenfloor; /* how far back to strip paren data */
2172 int cur; /* how many instances of scan we've matched */
2173 int min; /* the minimal number of scans to match */
2174 int max; /* the maximal number of scans to match */
2175 int minmod; /* whether to work our way up or down */
2176 regnode * scan; /* the thing to match */
2177 regnode * next; /* what has to match after it */
2178 char * lastloc; /* where we started matching this scan */
2179 CURCUR * oldcc; /* current curly before we started this one */
2180};
2181
2182typedef struct _sublex_info SUBLEXINFO;
2183struct _sublex_info {
2184 I32 super_state; /* lexer state to save */
2185 I32 sub_inwhat; /* "lex_inwhat" to use */
2186 OP *sub_op; /* "lex_op" to use */
0244c3a4
GS		 2187 char *super_bufptr; /* PL_bufptr that was */
2188 char *super_bufend; /* PL_bufend that was */
7fae4e64
GS		 2189};
2190
455ece5e 2191typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
76e3520e 2192
2c2d71f5 2193struct scan_data_t; /* Used in S_* functions in regcomp.c */
653099ff 2194struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
76e3520e
GS		 2195
2196typedef I32 CHECKPOINT;
76e3520e 2197
5f7fde29
GS		 2198struct ptr_tbl_ent {
2199 struct ptr_tbl_ent* next;
2200 void* oldval;
2201 void* newval;
d18c6117
GS		 2202};
2203
5f7fde29
GS		 2204struct ptr_tbl {
2205 struct ptr_tbl_ent** tbl_ary;
2206 UV tbl_max;
2207 UV tbl_items;
d18c6117
GS		 2208};
2209
450a55e4 2210#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c
LW		 2211# define I286
2212#endif
2213
fe14fcc3
LW		 2214#if defined(htonl) && !defined(HAS_HTONL)
2215#define HAS_HTONL
ae986130 2216#endif
fe14fcc3
LW		 2217#if defined(htons) && !defined(HAS_HTONS)
2218#define HAS_HTONS
ae986130 2219#endif
fe14fcc3
LW		 2220#if defined(ntohl) && !defined(HAS_NTOHL)
2221#define HAS_NTOHL
ae986130 2222#endif
fe14fcc3
LW		 2223#if defined(ntohs) && !defined(HAS_NTOHS)
2224#define HAS_NTOHS
ae986130 2225#endif
fe14fcc3 2226#ifndef HAS_HTONL
d9d8d8de 2227#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3
LW		 2228#define HAS_HTONS
2229#define HAS_HTONL
2230#define HAS_NTOHS
2231#define HAS_NTOHL
a687059c
LW		 2232#define MYSWAP
2233#define htons my_swap
2234#define htonl my_htonl
2235#define ntohs my_swap
2236#define ntohl my_ntohl
2237#endif
2238#else
d9d8d8de 2239#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3
LW		 2240#undef HAS_HTONS
2241#undef HAS_HTONL
2242#undef HAS_NTOHS
2243#undef HAS_NTOHL
a687059c
LW		 2244#endif
2245#endif
2246
988174c1
LW		 2247/*
2248 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2249 * -DWS
2250 */
2251#if BYTEORDER != 0x1234
2252# define HAS_VTOHL
2253# define HAS_VTOHS
2254# define HAS_HTOVL
2255# define HAS_HTOVS
c67712b2 2256# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
988174c1
LW		 2257# define vtohl(x) ((((x)&0xFF)<<24) \
2258 +(((x)>>24)&0xFF) \
2259 +(((x)&0x0000FF00)<<8) \
2260 +(((x)&0x00FF0000)>>8) )
2261# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2262# define htovl(x) vtohl(x)
2263# define htovs(x) vtohs(x)
2264# endif
2265 /* otherwise default to functions in util.c */
2266#endif
2267
3bb7c1b4
JH		 2268/* *MAX Plus 1. A floating point value.
2269 Hopefully expressed in a way that dodgy floating point can't mess up.
2270 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2271 is added to it
2272 May find that some broken compiler will want the value cast to I32.
2273 [after the shift, as signed >> may not be as secure as unsigned >>]
2274*/
2275#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2276#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2277/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2278 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2279 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2280*/
2281#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
ee0007ab 2282
3bb7c1b4
JH		 2283#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2284#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2285#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2286
2287/* This may look like unnecessary jumping through hoops, but converting
2288 out of range floating point values to integers *is* undefined behaviour,
2289 and it is starting to bite.
2290*/
2291#ifndef CAST_INLINE
65202027 2292#define I_32(what) (cast_i32((NV)(what)))
3bb7c1b4 2293#define U_32(what) (cast_ulong((NV)(what)))
65202027
DS		 2294#define I_V(what) (cast_iv((NV)(what)))
2295#define U_V(what) (cast_uv((NV)(what)))
3bb7c1b4
JH		 2296#else
2297#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2298 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2299 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2300#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2301 : ((n) < U32_MAX_P1 ? (U32) (n) \
2302 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2303#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2304 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2305 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2306#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2307 : ((n) < UV_MAX_P1 ? (UV) (n) \
2308 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2309#endif
2310
2311#define U_S(what) ((U16)U_32(what))
2312#define U_I(what) ((unsigned int)U_32(what))
2313#define U_L(what) U_32(what)
ed6116ce 2314
2d4389e4
JH		 2315/* These do not care about the fractional part, only about the range. */
2316#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
24db6c0d 2317#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2d4389e4 2318
25da4f38
IZ		 2319/* Used with UV/IV arguments: */
2320 /* XXXX: need to speed it up */
2321#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2322#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2323
352d5a3a
LW		 2324#ifndef MAXSYSFD
2325# define MAXSYSFD 2
2326#endif
ee0007ab 2327
79072805 2328#ifndef __cplusplus
e1caacb4 2329#ifndef UNDER_CE
20ce7b12
GS		 2330Uid_t getuid (void);
2331Uid_t geteuid (void);
2332Gid_t getgid (void);
2333Gid_t getegid (void);
79072805 2334#endif
e1caacb4 2335#endif
8d063cd8 2336
0c30d9ec 2337#ifndef Perl_debug_log
bf49b057
GS		 2338# define Perl_debug_log PerlIO_stderr()
2339#endif
2340
2341#ifndef Perl_error_log
2342# define Perl_error_log (PL_stderrgv \
01bb7c6d 2343 && GvIOp(PL_stderrgv) \
42de951c 2344 && IoOFP(GvIOp(PL_stderrgv)) \
bf49b057
GS		 2345 ? IoOFP(GvIOp(PL_stderrgv)) \
2346 : PerlIO_stderr())
0c30d9ec 2347#endif
3967c732 2348
aea4f609
DM		 2349
2350#define DEBUG_p_FLAG 0x00000001 /* 1 */
2351#define DEBUG_s_FLAG 0x00000002 /* 2 */
2352#define DEBUG_l_FLAG 0x00000004 /* 4 */
2353#define DEBUG_t_FLAG 0x00000008 /* 8 */
2354#define DEBUG_o_FLAG 0x00000010 /* 16 */
2355#define DEBUG_c_FLAG 0x00000020 /* 32 */
2356#define DEBUG_P_FLAG 0x00000040 /* 64 */
2357#define DEBUG_m_FLAG 0x00000080 /* 128 */
2358#define DEBUG_f_FLAG 0x00000100 /* 256 */
2359#define DEBUG_r_FLAG 0x00000200 /* 512 */
2360#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2361#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2362#define DEBUG_L_FLAG 0x00001000 /* 4096 */
2363#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2364#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2365#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2366#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2367#define DEBUG_T_FLAG 0x00020000 /* 131072 */
04932ac8 2368#define DEBUG_R_FLAG 0x00040000 /* 262144 */
1045810a
IZ		 2369#define DEBUG_J_FLAG 0x00080000 /* 524288 */
2370#define DEBUG_MASK 0x000FFFFF /* mask of all the standard flags */
aea4f609
DM		 2371
2372#define DEBUG_DB_RECURSE_FLAG 0x40000000
1045810a
IZ		 2373#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2374 that something was done? */
aea4f609 2375
bd16a5f0
IZ		 2376# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2377# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2378# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2379# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2380# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2381# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2382# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2383# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2384# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2385# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2386# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2387# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2388# define DEBUG_L_TEST_ (PL_debug & DEBUG_L_FLAG)
2389# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2390# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2391# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2392# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2393# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2394# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
1045810a 2395# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
bd16a5f0 2396
3967c732 2397#ifdef DEBUGGING
aea4f609
DM		 2398
2399# undef YYDEBUG
2400# define YYDEBUG 1
2401
bd16a5f0
IZ		 2402# define DEBUG_p_TEST DEBUG_p_TEST_
2403# define DEBUG_s_TEST DEBUG_s_TEST_
2404# define DEBUG_l_TEST DEBUG_l_TEST_
2405# define DEBUG_t_TEST DEBUG_t_TEST_
2406# define DEBUG_o_TEST DEBUG_o_TEST_
2407# define DEBUG_c_TEST DEBUG_c_TEST_
2408# define DEBUG_P_TEST DEBUG_P_TEST_
2409# define DEBUG_m_TEST DEBUG_m_TEST_
2410# define DEBUG_f_TEST DEBUG_f_TEST_
2411# define DEBUG_r_TEST DEBUG_r_TEST_
2412# define DEBUG_x_TEST DEBUG_x_TEST_
2413# define DEBUG_u_TEST DEBUG_u_TEST_
2414# define DEBUG_L_TEST DEBUG_L_TEST_
2415# define DEBUG_H_TEST DEBUG_H_TEST_
2416# define DEBUG_X_TEST DEBUG_X_TEST_
2417# define DEBUG_D_TEST DEBUG_D_TEST_
2418# define DEBUG_S_TEST DEBUG_S_TEST_
2419# define DEBUG_T_TEST DEBUG_T_TEST_
2420# define DEBUG_R_TEST DEBUG_R_TEST_
1045810a 2421# define DEBUG_J_TEST DEBUG_J_TEST_
aea4f609
DM		 2422
2423# define DEB(a) a
2424# define DEBUG(a) if (PL_debug) a
2425# define DEBUG_p(a) if (DEBUG_p_TEST) a
2426# define DEBUG_s(a) if (DEBUG_s_TEST) a
2427# define DEBUG_l(a) if (DEBUG_l_TEST) a
2428# define DEBUG_t(a) if (DEBUG_t_TEST) a
2429# define DEBUG_o(a) if (DEBUG_o_TEST) a
2430# define DEBUG_c(a) if (DEBUG_c_TEST) a
2431# define DEBUG_P(a) if (DEBUG_P_TEST) a
2432
969058bb
VK		 2433 /* Temporarily turn off memory debugging in case the a
2434 * does memory allocation, either directly or indirectly. */
acfe0abc 2435# define DEBUG_m(a) \
0b250b9e 2436 STMT_START { \
aea4f609 2437 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
0b250b9e 2438 } STMT_END
aea4f609 2439
5f80b19c
AMS		 2440# define DEBUG__(t, a) \
2441 STMT_START { \
2442 if (t) STMT_START {a;} STMT_END; \
2443 } STMT_END
2444
2445# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
2446# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
2447# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
2448# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
2449# define DEBUG_L(a) DEBUG__(DEBUG_L_TEST, a)
2450# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
2451# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
2452# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
aea4f609 2453
4d1ff10f 2454# ifdef USE_5005THREADS
5f80b19c 2455# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
8b73bbec
IZ		 2456# else
2457# define DEBUG_S(a)
2458# endif
aea4f609 2459
5f80b19c
AMS		 2460# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
2461# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
aea4f609
DM		 2462
2463#else /* DEBUGGING */
2464
2465# define DEBUG_p_TEST (0)
2466# define DEBUG_s_TEST (0)
2467# define DEBUG_l_TEST (0)
2468# define DEBUG_t_TEST (0)
2469# define DEBUG_o_TEST (0)
2470# define DEBUG_c_TEST (0)
2471# define DEBUG_P_TEST (0)
2472# define DEBUG_m_TEST (0)
2473# define DEBUG_f_TEST (0)
2474# define DEBUG_r_TEST (0)
2475# define DEBUG_x_TEST (0)
2476# define DEBUG_u_TEST (0)
2477# define DEBUG_L_TEST (0)
2478# define DEBUG_H_TEST (0)
2479# define DEBUG_X_TEST (0)
2480# define DEBUG_D_TEST (0)
2481# define DEBUG_S_TEST (0)
2482# define DEBUG_T_TEST (0)
04932ac8 2483# define DEBUG_R_TEST (0)
1045810a 2484# define DEBUG_J_TEST (0)
aea4f609
DM		 2485
2486# define DEB(a)
2487# define DEBUG(a)
2488# define DEBUG_p(a)
2489# define DEBUG_s(a)
2490# define DEBUG_l(a)
2491# define DEBUG_t(a)
2492# define DEBUG_o(a)
2493# define DEBUG_c(a)
2494# define DEBUG_P(a)
2495# define DEBUG_m(a)
2496# define DEBUG_f(a)
2497# define DEBUG_r(a)
2498# define DEBUG_x(a)
2499# define DEBUG_u(a)
2500# define DEBUG_L(a)
2501# define DEBUG_H(a)
2502# define DEBUG_X(a)
2503# define DEBUG_D(a)
2504# define DEBUG_S(a)
2505# define DEBUG_T(a)
04932ac8 2506# define DEBUG_R(a)
aea4f609
DM		 2507#endif /* DEBUGGING */
2508
2509
d1be9408 2510/* These constants should be used in preference to raw characters
14befaf4
DM		 2511 * when using magic. Note that some perl guts still assume
2512 * certain character properties of these constants, namely that
2513 * isUPPER() and toLOWER() may do useful mappings.
2514 *
2515 * Update the magic_names table in dump.c when adding/amending these
2516 */
2517
2518#define PERL_MAGIC_sv '\0' /* Special scalar variable */
2519#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
2520#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
2521#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
2522#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
2523#define PERL_MAGIC_regdata 'D' /* Regex match position data
2524 (@+ and @- vars) */
2525#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
2526#define PERL_MAGIC_env 'E' /* %ENV hash */
2527#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
2528#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
2529#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
2530#define PERL_MAGIC_isa 'I' /* @ISA array */
2531#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
2532#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
2533#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
2534#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
68795e93
NIS		 2535#define PERL_MAGIC_mutex 'm' /* for lock op */
2536#define PERL_MAGIC_shared 'N' /* Shared between threads */
2537#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
14befaf4
DM		 2538#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
2539#define PERL_MAGIC_tied 'P' /* Tied array or hash */
2540#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
2541#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
2542#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
2543#define PERL_MAGIC_sig 'S' /* %SIG hash */
2544#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
2545#define PERL_MAGIC_taint 't' /* Taintedness */
2546#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
68795e93 2547#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
14befaf4
DM		 2548#define PERL_MAGIC_vec 'v' /* vec() lvalue */
2549#define PERL_MAGIC_substr 'x' /* substr() lvalue */
2550#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
2551 smart parameter vivification */
2552#define PERL_MAGIC_glob '*' /* GV (typeglob) */
2553#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
2554#define PERL_MAGIC_pos '.' /* pos() lvalue */
68795e93 2555#define PERL_MAGIC_backref '<' /* for weak ref data */
14befaf4
DM		 2556#define PERL_MAGIC_ext '~' /* Available for use by extensions */
2557
2558
fe14fcc3 2559#define YYMAXDEPTH 300
8d063cd8 2560
a6e633de 2561#ifndef assert /* <assert.h> might have been included somehow */
a446a88f
NIS		 2562#ifdef DEBUGGING
2563#define assert(what) DEB( { \
2564 if (!(what)) { \
2565 Perl_croak(aTHX_ "Assertion " STRINGIFY(what) " failed: file \"%s\", line %d", \
2566 __FILE__, __LINE__); \
2567 PerlProc_exit(1); \
2568 }})
2569#else
79072805
LW		 2570#define assert(what) DEB( { \
2571 if (!(what)) { \
cea2e8a9 2572 Perl_croak(aTHX_ "Assertion failed: file \"%s\", line %d", \
79072805 2573 __FILE__, __LINE__); \
cea2e8a9 2574 PerlProc_exit(1); \
79072805 2575 }})
a6e633de 2576#endif
a446a88f 2577#endif
8d063cd8 2578
450a55e4 2579struct ufuncs {
24f81a43
DM		 2580 I32 (*uf_val)(pTHX_ IV, SV*);
2581 I32 (*uf_set)(pTHX_ IV, SV*);
a0d0e21e 2582 IV uf_index;
450a55e4
LW		 2583};
2584
14befaf4 2585/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
24f81a43
DM		 2586 * XS code wanting to be backward compatible can do something
2587 * like the following:
c745e42c 2588
24f81a43 2589#ifndef PERL_MG_UFUNC
24f81a43
DM		 2590#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
2591#endif
2592
2593static PERL_MG_UFUNC(foo_get, index, val)
2594{
2595 sv_setsv(val, ...);
2596 return TRUE;
2597}
2598
2599-- Doug MacEachern
2600
2601*/
2602
fc9c74e6 2603#ifndef PERL_MG_UFUNC
24f81a43 2604#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
fc9c74e6 2605#endif
24f81a43 2606
fe14fcc3 2607/* Fix these up for __STDC__ */
68dc0745 2608#ifndef DONT_DECLARE_STD
20ce7b12 2609char *mktemp (char*);
37bd1396 2610#ifndef atof
20ce7b12 2611double atof (const char*);
a0d0e21e 2612#endif
37bd1396 2613#endif
79072805 2614
352d5a3a 2615#ifndef STANDARD_C
fe14fcc3 2616/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 2617Time_t time();
8d063cd8 2618struct tm *gmtime(), *localtime();
092bebab 2619#if defined(OEMVS) || defined(__OPEN_VM)
9d116dd7
JH		 2620char *(strchr)(), *(strrchr)();
2621char *(strcpy)(), *(strcat)();
2622#else
93a17b20 2623char *strchr(), *strrchr();
378cc40b 2624char *strcpy(), *strcat();
9d116dd7 2625#endif
352d5a3a 2626#endif /* ! STANDARD_C */
8d063cd8 2627
79072805
LW		 2628
2629#ifdef I_MATH
2630# include <math.h>
2631#else
32f822de 2632START_EXTERN_C
20ce7b12
GS		 2633 double exp (double);
2634 double log (double);
2635 double log10 (double);
2636 double sqrt (double);
2637 double frexp (double,int*);
2638 double ldexp (double,int);
2639 double modf (double,double*);
2640 double sin (double);
2641 double cos (double);
2642 double atan2 (double,double);
2643 double pow (double,double);
32f822de 2644END_EXTERN_C
79072805
LW		 2645#endif
2646
aa8b85de
JH		 2647#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
2648# define NV_INF LDBL_INFINITY
2649#endif
2650#if !defined(NV_INF) && defined(DBL_INFINITY)
2651# define NV_INF (NV)DBL_INFINITY
2652#endif
2653#if !defined(NV_INF) && defined(INFINITY)
2654# define NV_INF (NV)INFINITY
2655#endif
2656#if !defined(NV_INF) && defined(INF)
2657# define NV_INF (NV)INF
2658#endif
2659#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
2660# define NV_INF (NV)HUGE_VALL
2661#endif
2662#if !defined(NV_INF) && defined(HUGE_VAL)
2663# define NV_INF (NV)HUGE_VAL
2664#endif
2665
2666#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
2667# if !defined(NV_NAN) && defined(LDBL_NAN)
2668# define NV_NAN LDBL_NAN
2669# endif
2670# if !defined(NV_NAN) && defined(LDBL_QNAN)
2671# define NV_NAN LDBL_QNAN
2672# endif
2673# if !defined(NV_NAN) && defined(LDBL_SNAN)
2674# define NV_NAN LDBL_SNAN
2675# endif
2676#endif
2677#if !defined(NV_NAN) && defined(DBL_NAN)
2678# define NV_NAN (NV)DBL_NAN
2679#endif
2680#if !defined(NV_NAN) && defined(DBL_QNAN)
2681# define NV_NAN (NV)DBL_QNAN
2682#endif
2683#if !defined(NV_NAN) && defined(DBL_SNAN)
2684# define NV_NAN (NV)DBL_SNAN
2685#endif
2686#if !defined(NV_NAN) && defined(QNAN)
2687# define NV_NAN (NV)QNAN
2688#endif
2689#if !defined(NV_NAN) && defined(SNAN)
2690# define NV_NAN (NV)SNAN
2691#endif
2692#if !defined(NV_NAN) && defined(NAN)
2693# define NV_NAN (NV)NAN
2694#endif
2695
a0d0e21e 2696#ifndef __cplusplus
8f1f23e8 2697# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3fc1aec6 2698char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 2699# else
fd8cd3a3 2700# if !defined(WIN32) && !defined(VMS)
10bc17b6 2701#ifndef crypt
20ce7b12 2702char *crypt (const char*, const char*);
10bc17b6 2703#endif
5014db98 2704# endif /* !WIN32 */
8f1f23e8 2705# endif /* !NeXT && !__NeXT__ */
26618a56
GS		 2706# ifndef DONT_DECLARE_STD
2707# ifndef getenv
20ce7b12 2708char *getenv (const char*);
26618a56 2709# endif /* !getenv */
28ca6303 2710# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
0fc67700 2711# ifdef _FILE_OFFSET_BITS
28ca6303 2712# if _FILE_OFFSET_BITS == 64
20ce7b12 2713Off_t lseek (int,Off_t,int);
0fc67700
JH		 2714# endif
2715# endif
bf0c440f 2716# endif
26618a56 2717# endif /* !DONT_DECLARE_STD */
10bc17b6 2718#ifndef getlogin
20ce7b12 2719char *getlogin (void);
10bc17b6 2720#endif
26618a56 2721#endif /* !__cplusplus */
79072805 2722
16d20bd9 2723#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 2724#define UNLINK unlnk
20ce7b12 2725I32 unlnk (char*);
8d063cd8 2726#else
80252599 2727#define UNLINK PerlLIO_unlink
8d063cd8 2728#endif
a687059c 2729
fa0a29af
JH		 2730/* some versions of glibc are missing the setresuid() proto */
2731#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
640374d0
JH		 2732int setresuid(uid_t ruid, uid_t euid, uid_t suid);
2733#endif
fa0a29af
JH		 2734/* some versions of glibc are missing the setresgid() proto */
2735#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
640374d0
JH		 2736int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
2737#endif
2738
fe14fcc3 2739#ifndef HAS_SETREUID
85e6fe83
LW		 2740# ifdef HAS_SETRESUID
2741# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
2742# define HAS_SETREUID
2743# endif
a687059c 2744#endif
fe14fcc3 2745#ifndef HAS_SETREGID
85e6fe83
LW		 2746# ifdef HAS_SETRESGID
2747# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
2748# define HAS_SETREGID
2749# endif
a687059c 2750#endif
ee0007ab 2751
d543acb6 2752/* Sighandler_t defined in iperlsys.h */
ff68c719 2753
2754#ifdef HAS_SIGACTION
2755typedef struct sigaction Sigsave_t;
2756#else
2757typedef Sighandler_t Sigsave_t;
2758#endif
2759
ee0007ab
LW		 2760#define SCAN_DEF 0
2761#define SCAN_TR 1
2762#define SCAN_REPL 2
79072805
LW		 2763
2764#ifdef DEBUGGING
4633a7c4 2765# ifndef register
a0d0e21e
LW		 2766# define register
2767# endif
2768# define PAD_SV(po) pad_sv(po)
cea2e8a9 2769# define RUNOPS_DEFAULT Perl_runops_debug
79072805 2770#else
6b88bc9c 2771# define PAD_SV(po) PL_curpad[po]
cea2e8a9 2772# define RUNOPS_DEFAULT Perl_runops_standard
79072805
LW		 2773#endif
2774
18f739ee 2775#ifdef MYMALLOC
772fe5b3 2776# ifdef MUTEX_INIT_CALLS_MALLOC
3541dd58
HM		 2777# define MALLOC_INIT \
2778 STMT_START { \
2779 PL_malloc_mutex = NULL; \
2780 MUTEX_INIT(&PL_malloc_mutex); \
2781 } STMT_END
2782# define MALLOC_TERM \
2783 STMT_START { \
2784 perl_mutex tmp = PL_malloc_mutex; \
2785 PL_malloc_mutex = NULL; \
2786 MUTEX_DESTROY(&tmp); \
2787 } STMT_END
2788# else
2789# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
2790# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
2791# endif
18f739ee
IZ		 2792#else
2793# define MALLOC_INIT
2794# define MALLOC_TERM
2795#endif
2796
b6d9d515 2797
0cb96387 2798typedef int (CPERLscope(*runops_proc_t)) (pTHX);
68795e93 2799typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
0cb96387 2800typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
22c35a8c 2801
940cb80d 2802/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 2803#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 2804
8f1f23e8
W		 2805/* NeXT has problems with crt0.o globals */
2806#if defined(__DYNAMIC__) && \
2807 (defined(NeXT) || defined(__NeXT__) || defined(__APPLE__))
2808# if defined(NeXT) || defined(__NeXT)
2809# include <mach-o/dyld.h>
2810# define environ (*environ_pointer)
0c30d9ec 2811EXT char *** environ_pointer;
8f1f23e8 2812# else
82cabb9e 2813# if defined(__APPLE__) && defined(PERL_CORE)
8f1f23e8
W		 2814# include <crt_externs.h> /* for the env array */
2815# define environ (*_NSGetEnviron())
2816# endif
0c30d9ec 2817# endif
8f1f23e8
W		 2818#else
2819 /* VMS and some other platforms don't use the environ array */
13b6e58c 2820# ifdef USE_ENVIRON_ARRAY
a6c40364
GS		 2821# if !defined(DONT_DECLARE_STD) || \
2822 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
2823 defined(__sgi) || \
d460ef45 2824 defined(__DGUX)
8f1f23e8 2825extern char ** environ; /* environment variables supplied via exec */
a6c40364 2826# endif
8f1f23e8
W		 2827# endif
2828#endif
79072805 2829
73c4f7a1
GS		 2830START_EXTERN_C
2831
79072805 2832/* handy constants */
22c35a8c 2833EXTCONST char PL_warn_uninit[]
b89fed5f 2834 INIT("Use of uninitialized value%s%s");
22c35a8c 2835EXTCONST char PL_warn_nosemi[]
463ee0b2 2836 INIT("Semicolon seems to be missing");
22c35a8c 2837EXTCONST char PL_warn_reserved[]
463ee0b2 2838 INIT("Unquoted string \"%s\" may clash with future reserved word");
22c35a8c 2839EXTCONST char PL_warn_nl[]
93a17b20 2840 INIT("Unsuccessful %s on filename containing newline");
22c35a8c 2841EXTCONST char PL_no_wrongref[]
a0d0e21e 2842 INIT("Can't use %s ref as %s ref");
22c35a8c 2843EXTCONST char PL_no_symref[]
748a9306 2844 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
22c35a8c 2845EXTCONST char PL_no_usym[]
8990e307 2846 INIT("Can't use an undefined value as %s reference");
22c35a8c 2847EXTCONST char PL_no_aelem[]
93a17b20 2848 INIT("Modification of non-creatable array value attempted, subscript %d");
22c35a8c 2849EXTCONST char PL_no_helem[]
93a17b20 2850 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
22c35a8c 2851EXTCONST char PL_no_modify[]
93a17b20 2852 INIT("Modification of a read-only value attempted");
22c35a8c 2853EXTCONST char PL_no_mem[]
93a17b20 2854 INIT("Out of memory!\n");
22c35a8c 2855EXTCONST char PL_no_security[]
463ee0b2 2856 INIT("Insecure dependency in %s%s");
22c35a8c 2857EXTCONST char PL_no_sock_func[]
93a17b20 2858 INIT("Unsupported socket function \"%s\" called");
22c35a8c 2859EXTCONST char PL_no_dir_func[]
93a17b20 2860 INIT("Unsupported directory function \"%s\" called");
22c35a8c 2861EXTCONST char PL_no_func[]
93a17b20 2862 INIT("The %s function is unimplemented");
22c35a8c 2863EXTCONST char PL_no_myglob[]
748a9306 2864 INIT("\"my\" variable %s can't be in a package");
93a17b20 2865
7575fa06 2866EXTCONST char PL_uuemap[65]
80252599
GS		 2867 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
2868
2869
79072805 2870#ifdef DOINIT
22c35a8c
GS		 2871EXT char *PL_sig_name[] = { SIG_NAME };
2872EXT int PL_sig_num[] = { SIG_NUM };
79072805 2873#else
22c35a8c
GS		 2874EXT char *PL_sig_name[];
2875EXT int PL_sig_num[];
79072805
LW		 2876#endif
2877
3bd709b1 2878/* fast conversion and case folding tables */
bbce6d69 2879
79072805 2880#ifdef DOINIT
9d116dd7 2881#ifdef EBCDIC
22c35a8c 2882EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
9d116dd7
JH		 2883 0, 1, 2, 3, 4, 5, 6, 7,
2884 8, 9, 10, 11, 12, 13, 14, 15,
2885 16, 17, 18, 19, 20, 21, 22, 23,
2886 24, 25, 26, 27, 28, 29, 30, 31,
2887 32, 33, 34, 35, 36, 37, 38, 39,
2888 40, 41, 42, 43, 44, 45, 46, 47,
2889 48, 49, 50, 51, 52, 53, 54, 55,
2890 56, 57, 58, 59, 60, 61, 62, 63,
2891 64, 65, 66, 67, 68, 69, 70, 71,
2892 72, 73, 74, 75, 76, 77, 78, 79,
2893 80, 81, 82, 83, 84, 85, 86, 87,
2894 88, 89, 90, 91, 92, 93, 94, 95,
2895 96, 97, 98, 99, 100, 101, 102, 103,
2896 104, 105, 106, 107, 108, 109, 110, 111,
2897 112, 113, 114, 115, 116, 117, 118, 119,
2898 120, 121, 122, 123, 124, 125, 126, 127,
2899 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2900 'H', 'I', 138, 139, 140, 141, 142, 143,
2901 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
2902 'Q', 'R', 154, 155, 156, 157, 158, 159,
2903 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
2904 'Y', 'Z', 170, 171, 172, 173, 174, 175,
2905 176, 177, 178, 179, 180, 181, 182, 183,
2906 184, 185, 186, 187, 188, 189, 190, 191,
2907 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2908 'h', 'i', 202, 203, 204, 205, 206, 207,
2909 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
2910 'q', 'r', 218, 219, 220, 221, 222, 223,
2911 224, 225, 's', 't', 'u', 'v', 'w', 'x',
2912 'y', 'z', 234, 235, 236, 237, 238, 239,
2913 240, 241, 242, 243, 244, 245, 246, 247,
2914 248, 249, 250, 251, 252, 253, 254, 255
2915};
2916#else /* ascii rather than ebcdic */
22c35a8c 2917EXTCONST unsigned char PL_fold[] = {
79072805
LW		 2918 0, 1, 2, 3, 4, 5, 6, 7,
2919 8, 9, 10, 11, 12, 13, 14, 15,
2920 16, 17, 18, 19, 20, 21, 22, 23,
2921 24, 25, 26, 27, 28, 29, 30, 31,
2922 32, 33, 34, 35, 36, 37, 38, 39,
2923 40, 41, 42, 43, 44, 45, 46, 47,
2924 48, 49, 50, 51, 52, 53, 54, 55,
2925 56, 57, 58, 59, 60, 61, 62, 63,
2926 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2927 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2928 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2929 'x', 'y', 'z', 91, 92, 93, 94, 95,
2930 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2931 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2932 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2933 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2934 128, 129, 130, 131, 132, 133, 134, 135,
2935 136, 137, 138, 139, 140, 141, 142, 143,
2936 144, 145, 146, 147, 148, 149, 150, 151,
2937 152, 153, 154, 155, 156, 157, 158, 159,
2938 160, 161, 162, 163, 164, 165, 166, 167,
2939 168, 169, 170, 171, 172, 173, 174, 175,
2940 176, 177, 178, 179, 180, 181, 182, 183,
2941 184, 185, 186, 187, 188, 189, 190, 191,
2942 192, 193, 194, 195, 196, 197, 198, 199,
2943 200, 201, 202, 203, 204, 205, 206, 207,
2944 208, 209, 210, 211, 212, 213, 214, 215,
2945 216, 217, 218, 219, 220, 221, 222, 223,
2946 224, 225, 226, 227, 228, 229, 230, 231,
2947 232, 233, 234, 235, 236, 237, 238, 239,
2948 240, 241, 242, 243, 244, 245, 246, 247,
2949 248, 249, 250, 251, 252, 253, 254, 255
2950};
9d116dd7 2951#endif /* !EBCDIC */
79072805 2952#else
22c35a8c 2953EXTCONST unsigned char PL_fold[];
79072805
LW		 2954#endif
2955
2956#ifdef DOINIT
22c35a8c 2957EXT unsigned char PL_fold_locale[] = {
79072805
LW		 2958 0, 1, 2, 3, 4, 5, 6, 7,
2959 8, 9, 10, 11, 12, 13, 14, 15,
2960 16, 17, 18, 19, 20, 21, 22, 23,
2961 24, 25, 26, 27, 28, 29, 30, 31,
2962 32, 33, 34, 35, 36, 37, 38, 39,
2963 40, 41, 42, 43, 44, 45, 46, 47,
2964 48, 49, 50, 51, 52, 53, 54, 55,
2965 56, 57, 58, 59, 60, 61, 62, 63,
2966 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
2967 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
2968 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
2969 'x', 'y', 'z', 91, 92, 93, 94, 95,
2970 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
2971 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
2972 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
2973 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
2974 128, 129, 130, 131, 132, 133, 134, 135,
2975 136, 137, 138, 139, 140, 141, 142, 143,
2976 144, 145, 146, 147, 148, 149, 150, 151,
2977 152, 153, 154, 155, 156, 157, 158, 159,
2978 160, 161, 162, 163, 164, 165, 166, 167,
2979 168, 169, 170, 171, 172, 173, 174, 175,
2980 176, 177, 178, 179, 180, 181, 182, 183,
2981 184, 185, 186, 187, 188, 189, 190, 191,
2982 192, 193, 194, 195, 196, 197, 198, 199,
2983 200, 201, 202, 203, 204, 205, 206, 207,
2984 208, 209, 210, 211, 212, 213, 214, 215,
2985 216, 217, 218, 219, 220, 221, 222, 223,
2986 224, 225, 226, 227, 228, 229, 230, 231,
2987 232, 233, 234, 235, 236, 237, 238, 239,
2988 240, 241, 242, 243, 244, 245, 246, 247,
2989 248, 249, 250, 251, 252, 253, 254, 255
2990};
2991#else
22c35a8c 2992EXT unsigned char PL_fold_locale[];
79072805
LW		 2993#endif
2994
2995#ifdef DOINIT
9d116dd7 2996#ifdef EBCDIC
22c35a8c 2997EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
9d116dd7
JH		 2998 1, 2, 84, 151, 154, 155, 156, 157,
2999 165, 246, 250, 3, 158, 7, 18, 29,
3000 40, 51, 62, 73, 85, 96, 107, 118,
3001 129, 140, 147, 148, 149, 150, 152, 153,
3002 255, 6, 8, 9, 10, 11, 12, 13,
3003 14, 15, 24, 25, 26, 27, 28, 226,
3004 29, 30, 31, 32, 33, 43, 44, 45,
3005 46, 47, 48, 49, 50, 76, 77, 78,
3006 79, 80, 81, 82, 83, 84, 85, 86,
3007 87, 94, 95, 234, 181, 233, 187, 190,
3008 180, 96, 97, 98, 99, 100, 101, 102,
3009 104, 112, 182, 174, 236, 232, 229, 103,
3010 228, 226, 114, 115, 116, 117, 118, 119,
3011 120, 121, 122, 235, 176, 230, 194, 162,
3012 130, 131, 132, 133, 134, 135, 136, 137,
3013 138, 139, 201, 205, 163, 217, 220, 224,
3014 5, 248, 227, 244, 242, 255, 241, 231,
3015 240, 253, 16, 197, 19, 20, 21, 187,
3016 23, 169, 210, 245, 237, 249, 247, 239,
3017 168, 252, 34, 196, 36, 37, 38, 39,
3018 41, 42, 251, 254, 238, 223, 221, 213,
3019 225, 177, 52, 53, 54, 55, 56, 57,
3020 58, 59, 60, 61, 63, 64, 65, 66,
3021 67, 68, 69, 70, 71, 72, 74, 75,
3022 205, 208, 186, 202, 200, 218, 198, 179,
3023 178, 214, 88, 89, 90, 91, 92, 93,
3024 217, 166, 170, 207, 199, 209, 206, 204,
3025 160, 212, 105, 106, 108, 109, 110, 111,
3026 203, 113, 216, 215, 192, 175, 193, 243,
3027 172, 161, 123, 124, 125, 126, 127, 128,
3028 222, 219, 211, 195, 188, 193, 185, 184,
3029 191, 183, 141, 142, 143, 144, 145, 146
3030};
3031#else /* ascii rather than ebcdic */
22c35a8c 3032EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
79072805
LW		 3033 1, 2, 84, 151, 154, 155, 156, 157,
3034 165, 246, 250, 3, 158, 7, 18, 29,
3035 40, 51, 62, 73, 85, 96, 107, 118,
3036 129, 140, 147, 148, 149, 150, 152, 153,
3037 255, 182, 224, 205, 174, 176, 180, 217,
3038 233, 232, 236, 187, 235, 228, 234, 226,
3039 222, 219, 211, 195, 188, 193, 185, 184,
3040 191, 183, 201, 229, 181, 220, 194, 162,
3041 163, 208, 186, 202, 200, 218, 198, 179,
3042 178, 214, 166, 170, 207, 199, 209, 206,
3043 204, 160, 212, 216, 215, 192, 175, 173,
3044 243, 172, 161, 190, 203, 189, 164, 230,
3045 167, 248, 227, 244, 242, 255, 241, 231,
3046 240, 253, 169, 210, 245, 237, 249, 247,
3047 239, 168, 252, 251, 254, 238, 223, 221,
3048 213, 225, 177, 197, 171, 196, 159, 4,
3049 5, 6, 8, 9, 10, 11, 12, 13,
3050 14, 15, 16, 17, 19, 20, 21, 22,
3051 23, 24, 25, 26, 27, 28, 30, 31,
3052 32, 33, 34, 35, 36, 37, 38, 39,
3053 41, 42, 43, 44, 45, 46, 47, 48,
3054 49, 50, 52, 53, 54, 55, 56, 57,
3055 58, 59, 60, 61, 63, 64, 65, 66,
3056 67, 68, 69, 70, 71, 72, 74, 75,
3057 76, 77, 78, 79, 80, 81, 82, 83,
3058 86, 87, 88, 89, 90, 91, 92, 93,
3059 94, 95, 97, 98, 99, 100, 101, 102,
3060 103, 104, 105, 106, 108, 109, 110, 111,
3061 112, 113, 114, 115, 116, 117, 119, 120,
3062 121, 122, 123, 124, 125, 126, 127, 128,
3063 130, 131, 132, 133, 134, 135, 136, 137,
3064 138, 139, 141, 142, 143, 144, 145, 146
3065};
9d116dd7 3066#endif
79072805 3067#else
22c35a8c 3068EXTCONST unsigned char PL_freq[];
79072805
LW		 3069#endif
3070
8990e307
LW		 3071#ifdef DEBUGGING
3072#ifdef DOINIT
22c35a8c 3073EXTCONST char* PL_block_type[] = {
8990e307
LW		 3074 "NULL",
3075 "SUB",
3076 "EVAL",
3077 "LOOP",
3078 "SUBST",
3079 "BLOCK",
3080};
3081#else
22c35a8c 3082EXTCONST char* PL_block_type[];
8990e307
LW		 3083#endif
3084#endif
3085
73c4f7a1
GS		 3086END_EXTERN_C
3087
79072805
LW		 3088/*****************************************************************************/
3089/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3090/*****************************************************************************/
8990e307 3091/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 3092
a0d0e21e
LW		 3093#include "perly.h"
3094
fb73857a 3095#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3096
79072805
LW		 3097typedef enum {
3098 XOPERATOR,
3099 XTERM,
79072805 3100 XREF,
8990e307 3101 XSTATE,
a0d0e21e 3102 XBLOCK,
09bef843
SB		 3103 XATTRBLOCK,
3104 XATTRTERM,
a0d0e21e 3105 XTERMBLOCK
79072805
LW		 3106} expectation;
3107
dc9e4912
GS		 3108enum { /* pass one of these to get_vtbl */
3109 want_vtbl_sv,
3110 want_vtbl_env,
3111 want_vtbl_envelem,
3112 want_vtbl_sig,
3113 want_vtbl_sigelem,
3114 want_vtbl_pack,
3115 want_vtbl_packelem,
3116 want_vtbl_dbline,
3117 want_vtbl_isa,
3118 want_vtbl_isaelem,
3119 want_vtbl_arylen,
3120 want_vtbl_glob,
3121 want_vtbl_mglob,
3122 want_vtbl_nkeys,
3123 want_vtbl_taint,
3124 want_vtbl_substr,
3125 want_vtbl_vec,
3126 want_vtbl_pos,
3127 want_vtbl_bm,
3128 want_vtbl_fm,
3129 want_vtbl_uvar,
3130 want_vtbl_defelem,
3131 want_vtbl_regexp,
3132 want_vtbl_collxfrm,
3133 want_vtbl_amagic,
3134 want_vtbl_amagicelem,
4d1ff10f 3135#ifdef USE_5005THREADS
dc9e4912
GS		 3136 want_vtbl_mutex,
3137#endif
3138 want_vtbl_regdata,
810b8aa5
GS		 3139 want_vtbl_regdatum,
3140 want_vtbl_backref
dc9e4912
GS		 3141};
3142
85e6fe83
LW		 3143 /* Note: the lowest 8 bits are reserved for
3144 stuffing into op->op_private */
f3aa04c2 3145#define HINT_PRIVATE_MASK 0x000000ff
85e6fe83
LW		 3146#define HINT_INTEGER 0x00000001
3147#define HINT_STRICT_REFS 0x00000002
2de3dbcc
JH		 3148#define HINT_LOCALE 0x00000004
3149#define HINT_BYTES 0x00000008
393fec97 3150/* #define HINT_notused10 0x00000010 */
a0ed51b3 3151 /* Note: 20,40,80 used for NATIVE_HINTS */
85e6fe83
LW		 3152
3153#define HINT_BLOCK_SCOPE 0x00000100
3154#define HINT_STRICT_SUBS 0x00000200
3155#define HINT_STRICT_VARS 0x00000400
3156
b3ac6de7
IZ		 3157#define HINT_NEW_INTEGER 0x00001000
3158#define HINT_NEW_FLOAT 0x00002000
3159#define HINT_NEW_BINARY 0x00004000
3160#define HINT_NEW_STRING 0x00008000
3161#define HINT_NEW_RE 0x00010000
3162#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3163
b3eb6a9b 3164#define HINT_RE_TAINT 0x00100000
e4d48cc9 3165#define HINT_RE_EVAL 0x00200000
b3eb6a9b 3166
5ff3f7a4 3167#define HINT_FILETEST_ACCESS 0x00400000
393fec97 3168#define HINT_UTF8 0x00800000
5ff3f7a4 3169
84d4ea48
JH		 3170#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3171#define HINT_SORT_QUICKSORT 0x00000001
3172#define HINT_SORT_MERGESORT 0x00000002
c53fc8a6 3173#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
84d4ea48 3174
8bfdd7d9 3175/* Various states of the input record separator SV (rs) */
d4cce5f1 3176#define RsSNARF(sv) (! SvOK(sv))
af7d13df
MG		 3177#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3178#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
5b2b9c68 3179#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
79072805 3180
128e8167 3181/* A struct for keeping various DEBUGGING related stuff,
ce333219 3182 * neatly packed. Currently only scratch variables for
128e8167
JH		 3183 * constructing debug output are included. Needed always,
3184 * not just when DEBUGGING, though, because of the re extension. c*/
ce333219
JH		 3185struct perl_debug_pad {
3186 SV pad[3];
3187};
3188
3189#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
48c6b404 3190#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, SvCUR(PERL_DEBUG_PAD(i)) = 0, PERL_DEBUG_PAD(i))
ce333219 3191
56953603 3192/* Enable variables which are pointers to functions */
a2efc822 3193typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
0cb96387
GS		 3194typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3195typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3196 char* strend, char* strbeg, I32 minend,
3197 SV* screamer, void* data, U32 flags);
f722798b
IZ		 3198typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3199 char *strpos, char *strend,
3200 U32 flags,
3201 struct re_scream_pos_data_s *d);
3202typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3203typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
56953603 3204
c76ac1ee 3205typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
acfe0abc
GS		 3206typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3207typedef void (*SVFUNC_t) (pTHX_ SV*);
3208typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3209typedef void (*XSINIT_t) (pTHX);
3210typedef void (*ATEXIT_t) (pTHX_ void*);
3211typedef void (*XSUBADDR_t) (pTHX_ CV *);
15e52e56 3212
22239a37
NIS		 3213/* Set up PERLVAR macros for populating structs */
3214#define PERLVAR(var,type) type var;
51371543 3215#define PERLVARA(var,n,type) type var[n];
22239a37 3216#define PERLVARI(var,type,init) type var;
3fe35a81 3217#define PERLVARIC(var,type,init) type var;
22239a37 3218
58a50f62
GS		 3219/* Interpreter exitlist entry */
3220typedef struct exitlistentry {
acfe0abc 3221 void (*fn) (pTHX_ void*);
58a50f62
GS		 3222 void *ptr;
3223} PerlExitListEntry;
3224
22239a37
NIS		 3225#ifdef PERL_GLOBAL_STRUCT
3226struct perl_vars {
7766f137 3227# include "perlvars.h"
22239a37
NIS		 3228};
3229
7766f137 3230# ifdef PERL_CORE
533c011a
NIS		 3231EXT struct perl_vars PL_Vars;
3232EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
7766f137
GS		 3233# else /* PERL_CORE */
3234# if !defined(__GNUC__) || !defined(WIN32)
22239a37 3235EXT
7766f137 3236# endif /* WIN32 */
533c011a 3237struct perl_vars *PL_VarsPtr;
7766f137
GS		 3238# define PL_Vars (*((PL_VarsPtr) \
3239 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3240# endif /* PERL_CORE */
22239a37
NIS		 3241#endif /* PERL_GLOBAL_STRUCT */
3242
acfe0abc 3243#if defined(MULTIPLICITY)
d460ef45 3244/* If we have multiple interpreters define a struct
d4cce5f1 3245 holding variables which must be per-interpreter
d460ef45 3246 If we don't have threads anything that would have
d4cce5f1
NIS		 3247 be per-thread is per-interpreter.
3248*/
3249
79072805 3250struct interpreter {
4d1ff10f 3251# ifndef USE_5005THREADS
7766f137
GS		 3252# include "thrdvar.h"
3253# endif
3254# include "intrpvar.h"
3255/*
3256 * The following is a buffer where new variables must
acfe0abc 3257 * be defined to maintain binary compatibility with previous versions
7766f137
GS		 3258 */
3259PERLVARA(object_compatibility,30, char)
49f531da 3260};
d4cce5f1 3261
79072805 3262#else
49f531da
NIS		 3263struct interpreter {
3264 char broiled;
3265};
acfe0abc 3266#endif /* MULTIPLICITY */
79072805 3267
4d1ff10f 3268#ifdef USE_5005THREADS
d4cce5f1
NIS		 3269/* If we have threads define a struct with all the variables
3270 * that have to be per-thread
49f531da 3271 */
8023c3ce 3272
79072805 3273
49f531da 3274struct perl_thread {
49f531da 3275#include "thrdvar.h"
79072805 3276};
d4cce5f1 3277
22fae026
TM		 3278typedef struct perl_thread *Thread;
3279
3280#else
3281typedef void *Thread;
22239a37
NIS		 3282#endif
3283
3284/* Done with PERLVAR macros for now ... */
d4cce5f1 3285#undef PERLVAR
51371543 3286#undef PERLVARA
d4cce5f1 3287#undef PERLVARI
3fe35a81 3288#undef PERLVARIC
79072805 3289
22239a37 3290#include "thread.h"
79072805 3291#include "pp.h"
864dbfa3
GS		 3292
3293#ifndef PERL_CALLCONV
3294# define PERL_CALLCONV
d460ef45 3295#endif
864dbfa3 3296
65f19062
GS		 3297#ifndef NEXT30_NO_ATTRIBUTE
3298# ifndef HASATTRIBUTE /* disable GNU-cc attribute checking? */
3299# ifdef __attribute__ /* Avoid possible redefinition errors */
3300# undef __attribute__
3301# endif
3302# define __attribute__(attr)
3303# endif
3304#endif
3305
0cb96387
GS		 3306#undef PERL_CKDEF
3307#undef PERL_PPDEF
3308#define PERL_CKDEF(s) OP *s (pTHX_ OP *o);
3309#define PERL_PPDEF(s) OP *s (pTHX);
0cb96387 3310
7766f137 3311#include "proto.h"
864dbfa3 3312
0cb96387 3313/* this has structure inits, so it cannot be included before here */
acfe0abc 3314#include "opcode.h"
864dbfa3 3315
d4cce5f1
NIS		 3316/* The following must follow proto.h as #defines mess up syntax */
3317
22c35a8c
GS		 3318#if !defined(PERL_FOR_X2P)
3319# include "embedvar.h"
3320#endif
d4cce5f1 3321
d460ef45 3322/* Now include all the 'global' variables
d4cce5f1 3323 * If we don't have threads or multiple interpreters
d460ef45 3324 * these include variables that would have been their struct-s
d4cce5f1 3325 */
d460ef45 3326
533c011a 3327#define PERLVAR(var,type) EXT type PL_##var;
51371543 3328#define PERLVARA(var,n,type) EXT type PL_##var[n];
533c011a
NIS		 3329#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3330#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
d4cce5f1 3331
acfe0abc 3332#if !defined(MULTIPLICITY)
7766f137 3333START_EXTERN_C
066ef5b5 3334# include "intrpvar.h"
4d1ff10f 3335# ifndef USE_5005THREADS
066ef5b5
GS		 3336# include "thrdvar.h"
3337# endif
7766f137 3338END_EXTERN_C
22239a37
NIS		 3339#endif
3340
acfe0abc 3341#if defined(WIN32)
66a93824 3342/* Now all the config stuff is setup we can include embed.h */
22c35a8c 3343# include "embed.h"
acfe0abc 3344#endif
22239a37 3345
c5be433b
GS		 3346#ifndef PERL_GLOBAL_STRUCT
3347START_EXTERN_C
3348
3349# include "perlvars.h"
3350
3351END_EXTERN_C
3352#endif
3353
d4cce5f1 3354#undef PERLVAR
51371543 3355#undef PERLVARA
d4cce5f1 3356#undef PERLVARI
0f3f18a6 3357#undef PERLVARIC
79072805 3358
73c4f7a1
GS		 3359START_EXTERN_C
3360
79072805 3361#ifdef DOINIT
bbce6d69 3362
68795e93 3363EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
2b260de0
GS		 3364 MEMBER_TO_FPTR(Perl_magic_set),
3365 MEMBER_TO_FPTR(Perl_magic_len),
463ee0b2 3366 0, 0};
2b260de0
GS		 3367EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
3368 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
66b1d557 3369 0};
2b260de0
GS		 3370EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
3371 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
85e6fe83 3372 0};
22c35a8c 3373EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
64ca3a65
JH		 3374#ifdef PERL_MICRO
3375EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
3376#else
2b260de0
GS		 3377EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
3378 MEMBER_TO_FPTR(Perl_magic_setsig),
3379 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
0c30d9ec 3380 0};
64ca3a65 3381#endif
68795e93
NIS		 3382EXT MGVTBL PL_vtbl_pack = {0, 0,
3383 MEMBER_TO_FPTR(Perl_magic_sizepack),
3384 MEMBER_TO_FPTR(Perl_magic_wipepack),
a0d0e21e 3385 0};
2b260de0 3386EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
68795e93 3387 MEMBER_TO_FPTR(Perl_magic_setpack),
2b260de0 3388 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
463ee0b2 3389 0};
2b260de0 3390EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
463ee0b2 3391 0, 0, 0};
2b260de0
GS		 3392EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
3393 0, MEMBER_TO_FPTR(Perl_magic_setisa),
fb73857a 3394 0};
2b260de0 3395EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
463ee0b2 3396 0, 0, 0};
2b260de0
GS		 3397EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
3398 MEMBER_TO_FPTR(Perl_magic_setarylen),
463ee0b2 3399 0, 0, 0};
2b260de0
GS		 3400EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
3401 MEMBER_TO_FPTR(Perl_magic_setglob),
463ee0b2 3402 0, 0, 0};
2b260de0 3403EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
463ee0b2 3404 0, 0, 0};
2b260de0
GS		 3405EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
3406 MEMBER_TO_FPTR(Perl_magic_setnkeys),
99abf803 3407 0, 0, 0};
68795e93
NIS		 3408EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
3409 MEMBER_TO_FPTR(Perl_magic_settaint),
463ee0b2 3410 0, 0, 0};
68795e93
NIS		 3411EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
3412 MEMBER_TO_FPTR(Perl_magic_setsubstr),
463ee0b2 3413 0, 0, 0};
2b260de0 3414EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
68795e93 3415 MEMBER_TO_FPTR(Perl_magic_setvec),
463ee0b2 3416 0, 0, 0};
2b260de0
GS		 3417EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
3418 MEMBER_TO_FPTR(Perl_magic_setpos),
a0d0e21e 3419 0, 0, 0};
2b260de0 3420EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
463ee0b2 3421 0, 0, 0};
2b260de0 3422EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
55497cff 3423 0, 0, 0};
2b260de0
GS		 3424EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
3425 MEMBER_TO_FPTR(Perl_magic_setuvar),
463ee0b2 3426 0, 0, 0};
4d1ff10f 3427#ifdef USE_5005THREADS
68795e93
NIS		 3428EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
3429 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4d1ff10f 3430#endif /* USE_5005THREADS */
68795e93
NIS		 3431EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
3432 MEMBER_TO_FPTR(Perl_magic_setdefelem),
02270b4e 3433 0, 0, 0};
a0d0e21e 3434
2b260de0
GS		 3435EXT MGVTBL PL_vtbl_regexp = {0,0,0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
3436EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
a29d06ed
MG		 3437EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
3438 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
c277df42 3439
36477c24 3440#ifdef USE_LOCALE_COLLATE
22c35a8c 3441EXT MGVTBL PL_vtbl_collxfrm = {0,
2b260de0 3442 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
bbce6d69 3443 0, 0, 0};
3444#endif
a0d0e21e 3445
2b260de0
GS		 3446EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3447 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
3448EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
3449 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
a0d0e21e 3450
810b8aa5 3451EXT MGVTBL PL_vtbl_backref = {0, 0,
2b260de0 3452 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
810b8aa5 3453
d460ef45
NIS		 3454EXT MGVTBL PL_vtbl_ovrld = {0, 0,
3455 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
3456
bbce6d69 3457#else /* !DOINIT */
3458
22c35a8c
GS		 3459EXT MGVTBL PL_vtbl_sv;
3460EXT MGVTBL PL_vtbl_env;
3461EXT MGVTBL PL_vtbl_envelem;
3462EXT MGVTBL PL_vtbl_sig;
3463EXT MGVTBL PL_vtbl_sigelem;
3464EXT MGVTBL PL_vtbl_pack;
3465EXT MGVTBL PL_vtbl_packelem;
3466EXT MGVTBL PL_vtbl_dbline;
3467EXT MGVTBL PL_vtbl_isa;
3468EXT MGVTBL PL_vtbl_isaelem;
3469EXT MGVTBL PL_vtbl_arylen;
3470EXT MGVTBL PL_vtbl_glob;
3471EXT MGVTBL PL_vtbl_mglob;
3472EXT MGVTBL PL_vtbl_nkeys;
3473EXT MGVTBL PL_vtbl_taint;
3474EXT MGVTBL PL_vtbl_substr;
3475EXT MGVTBL PL_vtbl_vec;
3476EXT MGVTBL PL_vtbl_pos;
3477EXT MGVTBL PL_vtbl_bm;
3478EXT MGVTBL PL_vtbl_fm;
3479EXT MGVTBL PL_vtbl_uvar;
d460ef45 3480EXT MGVTBL PL_vtbl_ovrld;
a0d0e21e 3481
4d1ff10f 3482#ifdef USE_5005THREADS
22c35a8c 3483EXT MGVTBL PL_vtbl_mutex;
4d1ff10f 3484#endif /* USE_5005THREADS */
f93b4edd 3485
22c35a8c
GS		 3486EXT MGVTBL PL_vtbl_defelem;
3487EXT MGVTBL PL_vtbl_regexp;
3488EXT MGVTBL PL_vtbl_regdata;
3489EXT MGVTBL PL_vtbl_regdatum;
a0d0e21e 3490
36477c24 3491#ifdef USE_LOCALE_COLLATE
22c35a8c 3492EXT MGVTBL PL_vtbl_collxfrm;
bbce6d69 3493#endif
a0d0e21e 3494
22c35a8c
GS		 3495EXT MGVTBL PL_vtbl_amagic;
3496EXT MGVTBL PL_vtbl_amagicelem;
a0d0e21e 3497
810b8aa5
GS		 3498EXT MGVTBL PL_vtbl_backref;
3499
bbce6d69 3500#endif /* !DOINIT */
85e6fe83 3501
f5284f61
IZ		 3502enum {
3503 fallback_amg, abs_amg,
3504 bool__amg, nomethod_amg,
3505 string_amg, numer_amg,
3506 add_amg, add_ass_amg,
3507 subtr_amg, subtr_ass_amg,
3508 mult_amg, mult_ass_amg,
3509 div_amg, div_ass_amg,
3510 modulo_amg, modulo_ass_amg,
3511 pow_amg, pow_ass_amg,
3512 lshift_amg, lshift_ass_amg,
3513 rshift_amg, rshift_ass_amg,
3514 band_amg, band_ass_amg,
3515 bor_amg, bor_ass_amg,
3516 bxor_amg, bxor_ass_amg,
3517 lt_amg, le_amg,
3518 gt_amg, ge_amg,
3519 eq_amg, ne_amg,
3520 ncmp_amg, scmp_amg,
3521 slt_amg, sle_amg,
3522 sgt_amg, sge_amg,
3523 seq_amg, sne_amg,
3524 not_amg, compl_amg,
3525 inc_amg, dec_amg,
3526 atan2_amg, cos_amg,
3527 sin_amg, exp_amg,
3528 log_amg, sqrt_amg,
3529 repeat_amg, repeat_ass_amg,
3530 concat_amg, concat_ass_amg,
3531 copy_amg, neg_amg,
3532 to_sv_amg, to_av_amg,
3533 to_hv_amg, to_gv_amg,
d460ef45 3534 to_cv_amg, iter_amg,
f216259d
IZ		 3535 int_amg, DESTROY_amg,
3536 max_amg_code
64a0062a 3537 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
f5284f61
IZ		 3538};
3539
3540#define NofAMmeth max_amg_code
89ffc314 3541#define AMG_id2name(id) ((char*)PL_AMG_names[id]+1)
f5284f61 3542
a0d0e21e 3543#ifdef DOINIT
22c35a8c 3544EXTCONST char * PL_AMG_names[NofAMmeth] = {
89ffc314
IZ		 3545 /* Names kept in the symbol table. fallback => "()", the rest has
3546 "(" prepended. The only other place in perl which knows about
3547 this convention is AMG_id2name (used for debugging output and
3548 'nomethod' only), the only other place which has it hardwired is
3549 overload.pm. */
3550 "()", "(abs", /* "fallback" should be the first. */
3551 "(bool", "(nomethod",
3552 "(\"\"", "(0+",
3553 "(+", "(+=",
3554 "(-", "(-=",
3555 "(*", "(*=",
3556 "(/", "(/=",
3557 "(%", "(%=",
3558 "(**", "(**=",
3559 "(<<", "(<<=",
3560 "(>>", "(>>=",
3561 "(&", "(&=",
3562 "(|", "(|=",
3563 "(^", "(^=",
3564 "(<", "(<=",
3565 "(>", "(>=",
3566 "(==", "(!=",
3567 "(<=>", "(cmp",
3568 "(lt", "(le",
3569 "(gt", "(ge",
3570 "(eq", "(ne",
3571 "(!", "(~",
3572 "(++", "(--",
3573 "(atan2", "(cos",
3574 "(sin", "(exp",
3575 "(log", "(sqrt",
3576 "(x", "(x=",
3577 "(.", "(.=",
3578 "(=", "(neg",
3579 "(${}", "(@{}",
3580 "(%{}", "(*{}",
3581 "(&{}", "(<>",
f216259d 3582 "(int", "DESTROY",
a0d0e21e
LW		 3583};
3584#else
22c35a8c 3585EXTCONST char * PL_AMG_names[NofAMmeth];
a0d0e21e
LW		 3586#endif /* def INITAMAGIC */
3587
73c4f7a1
GS		 3588END_EXTERN_C
3589
a6006777 3590struct am_table {
a0d0e21e
LW		 3591 long was_ok_sub;
3592 long was_ok_am;
a6006777 3593 U32 flags;
3594 CV* table[NofAMmeth];
a0d0e21e
LW		 3595 long fallback;
3596};
a6006777 3597struct am_table_short {
3598 long was_ok_sub;
3599 long was_ok_am;
3600 U32 flags;
3601};
a0d0e21e 3602typedef struct am_table AMT;
a6006777 3603typedef struct am_table_short AMTS;
a0d0e21e
LW		 3604
3605#define AMGfallNEVER 1
3606#define AMGfallNO 2
3607#define AMGfallYES 3
3608
a6006777 3609#define AMTf_AMAGIC 1
32251b26 3610#define AMTf_OVERLOADED 2
a6006777 3611#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
3612#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
3613#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
32251b26
IZ		 3614#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
3615#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
3616#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
a6006777 3617
32251b26 3618#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
c0315cdf
JH		 3619
3620/*
3621 * some compilers like to redefine cos et alia as faster
3622 * (and less accurate?) versions called F_cos et cetera (Quidquid
3623 * latine dictum sit, altum viditur.) This trick collides with
3624 * the Perl overloading (amg). The following #defines fool both.
3625 */
3626
3627#ifdef _FASTMATH
3628# ifdef atan2
3629# define F_atan2_amg atan2_amg
3630# endif
3631# ifdef cos
3632# define F_cos_amg cos_amg
3633# endif
3634# ifdef exp
3635# define F_exp_amg exp_amg
3636# endif
3637# ifdef log
3638# define F_log_amg log_amg
3639# endif
3640# ifdef pow
3641# define F_pow_amg pow_amg
3642# endif
3643# ifdef sin
3644# define F_sin_amg sin_amg
3645# endif
3646# ifdef sqrt
3647# define F_sqrt_amg sqrt_amg
3648# endif
3649#endif /* _FASTMATH */
3650
83ee9e09
GS		 3651#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
3652 PERLDBf_NOOPT | PERLDBf_INTER | \
3653 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
3654 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
3655 /* No _NONAME, _GOTO */
3656#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
3657#define PERLDBf_LINE 0x02 /* Keep line # */
3658#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
3659#define PERLDBf_INTER 0x08 /* Preserve more data for
3660 later inspections */
3661#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
3662#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
3663#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
3664#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
3665#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
3666#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
84902520 3667
3280af22
NIS		 3668#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
3669#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
3670#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
3671#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
3672#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
3673#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
3674#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
3675#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
83ee9e09
GS		 3676#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
3677#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
84902520 3678
bbce6d69 3679
36477c24 3680#ifdef USE_LOCALE_NUMERIC
bbce6d69 3681
36477c24 3682#define SET_NUMERIC_STANDARD() \
ff4fed7c 3683 set_numeric_standard();
36477c24 3684
3685#define SET_NUMERIC_LOCAL() \
ff4fed7c 3686 set_numeric_local();
bbce6d69 3687
2de3dbcc
JH		 3688#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
3689#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
3690
3691#define IN_LOCALE \
3692 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
3693
f93f4e46 3694#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
2de3dbcc 3695 bool was_local = PL_numeric_local && IN_LOCALE; \
ff4fed7c 3696 if (was_local) SET_NUMERIC_STANDARD();
f93f4e46
CK		 3697
3698#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
2de3dbcc 3699 bool was_standard = PL_numeric_standard && IN_LOCALE; \
ff4fed7c 3700 if (was_standard) SET_NUMERIC_LOCAL();
f93f4e46
CK		 3701
3702#define RESTORE_NUMERIC_LOCAL() \
3703 if (was_local) SET_NUMERIC_LOCAL();
3704
3705#define RESTORE_NUMERIC_STANDARD() \
3706 if (was_standard) SET_NUMERIC_STANDARD();
3707
5b877257 3708#define Atof my_atof
097ee67d 3709
36477c24 3710#else /* !USE_LOCALE_NUMERIC */
bbce6d69 3711
097ee67d
JH		 3712#define SET_NUMERIC_STANDARD() /**/
3713#define SET_NUMERIC_LOCAL() /**/
5e931b6b 3714#define IS_NUMERIC_RADIX(a, b) (0)
f93f4e46
CK		 3715#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
3716#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
097ee67d
JH		 3717#define RESTORE_NUMERIC_LOCAL() /**/
3718#define RESTORE_NUMERIC_STANDARD() /**/
65202027 3719#define Atof Perl_atof
ad3e0f90 3720#define IN_LOCALE_RUNTIME 0
bbce6d69 3721
36477c24 3722#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 3723
079290de 3724#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3725# ifdef __hpux
3726# define strtoll __strtoll /* secret handshake */
3727# endif
079290de
GS		 3728# if !defined(Strtol) && defined(HAS_STRTOLL)
3729# define Strtol strtoll
ad551343 3730# endif
28e5dec8
JH		 3731# if !defined(Strtol) && defined(HAS_STRTOQ)
3732# define Strtol strtoq
3733# endif
ff935051 3734/* is there atoq() anywhere? */
15b99d39 3735#endif
079290de
GS		 3736#if !defined(Strtol) && defined(HAS_STRTOL)
3737# define Strtol strtol
3738#endif
3739#ifndef Atol
3740/* It would be more fashionable to use Strtol() to define atol()
3741 * (as is done for Atoul(), see below) but for backward compatibility
3742 * we just assume atol(). */
76b882ba
JH		 3743# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
3744# define Atol atoll
3745# else
3746# define Atol atol
3747# endif
cf2093f6
JH		 3748#endif
3749
55eb892c 3750#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
ec7b9793
JH		 3751# ifdef __hpux
3752# define strtoull __strtoull /* secret handshake */
3753# endif
ad551343 3754# if !defined(Strtoul) && defined(HAS_STRTOULL)
388d3c03 3755# define Strtoul strtoull
15b99d39 3756# endif
079290de
GS		 3757# if !defined(Strtoul) && defined(HAS_STRTOUQ)
3758# define Strtoul strtouq
3759# endif
76d49b1c 3760/* is there atouq() anywhere? */
ad551343 3761#endif
079290de
GS		 3762#if !defined(Strtoul) && defined(HAS_STRTOUL)
3763# define Strtoul strtoul
cf2093f6 3764#endif
079290de
GS		 3765#ifndef Atoul
3766# define Atoul(s) Strtoul(s, (char **)NULL, 10)
55eb892c 3767#endif
cf2093f6 3768
e5c9fcd0 3769#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
d460ef45
NIS		 3770/*
3771 * Now we have __attribute__ out of the way
3772 * Remap printf
760ac839 3773 */
39455587 3774#undef printf
c745e42c
NIS		 3775#ifdef __GNUC__
3776#define printf(fmt,args...) PerlIO_stdoutf(fmt,##args)
3777#else
760ac839
LW		 3778#define printf PerlIO_stdoutf
3779#endif
c745e42c 3780#endif
760ac839 3781
06d86050
GS		 3782/* if these never got defined, they need defaults */
3783#ifndef PERL_SET_CONTEXT
3784# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
3785#endif
3786
3787#ifndef PERL_GET_CONTEXT
3788# define PERL_GET_CONTEXT PERL_GET_INTERP
3789#endif
3790
3791#ifndef PERL_GET_THX
3792# define PERL_GET_THX ((void*)NULL)
3793#endif
3794
3795#ifndef PERL_SET_THX
3796# define PERL_SET_THX(t) NOOP
3797#endif
3798
a868473f
NIS		 3799#ifndef PERL_SCRIPT_MODE
3800#define PERL_SCRIPT_MODE "r"
3801#endif
3802
fba3b22e 3803/*
da927450
JH		 3804 * Some operating systems are stingy with stack allocation,
3805 * so perl may have to guard against stack overflow.
3806 */
3807#ifndef PERL_STACK_OVERFLOW_CHECK
c2af87cb 3808#define PERL_STACK_OVERFLOW_CHECK() NOOP
da927450
JH		 3809#endif
3810
3811/*
3812 * Some nonpreemptive operating systems find it convenient to
3813 * check for asynchronous conditions after each op execution.
3814 * Keep this check simple, or it may slow down execution
3815 * massively.
3816 */
ce08f86c 3817
1d615522
JH		 3818#ifndef PERL_MICRO
3819# ifndef PERL_OLD_SIGNALS
2986a63f
JH		 3820# ifndef PERL_ASYNC_CHECK
3821# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
3822# endif
1d615522 3823# endif
ce08f86c
NIS		 3824#endif
3825
da927450 3826#ifndef PERL_ASYNC_CHECK
1d615522 3827# define PERL_ASYNC_CHECK() NOOP
da927450
JH		 3828#endif
3829
3830/*
3831 * On some operating systems, a memory allocation may succeed,
3832 * but put the process too close to the system's comfort limit.
3833 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
3834 * it to NULL.
3835 */
3836#ifndef PERL_ALLOC_CHECK
c2af87cb 3837#define PERL_ALLOC_CHECK(p) NOOP
da927450
JH		 3838#endif
3839
3840/*
fba3b22e
MB		 3841 * nice_chunk and nice_chunk size need to be set
3842 * and queried under the protection of sv_mutex
3843 */
30ad99e7
MJD		 3844#define offer_nice_chunk(chunk, chunk_size) STMT_START { \
3845 void *new_chunk; \
3846 U32 new_chunk_size; \
3847 LOCK_SV_MUTEX; \
3848 new_chunk = (void *)(chunk); \
3849 new_chunk_size = (chunk_size); \
3850 if (new_chunk_size > PL_nice_chunk_size) { \
3851 if (PL_nice_chunk) Safefree(PL_nice_chunk); \
3852 PL_nice_chunk = new_chunk; \
3853 PL_nice_chunk_size = new_chunk_size; \
3854 } else { \
3855 Safefree(chunk); \
3856 } \
3857 UNLOCK_SV_MUTEX; \
3858 } STMT_END
fba3b22e 3859
bd89102f
AD		 3860#ifdef HAS_SEM
3861# include <sys/ipc.h>
3862# include <sys/sem.h>
3863# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
3864 union semun {
dbba660d
TC		 3865 int val;
3866 struct semid_ds *buf;
3867 unsigned short *array;
bd89102f
AD		 3868 };
3869# endif
3870# ifdef USE_SEMCTL_SEMUN
dbba660d
TC		 3871# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
3872 union gccbug_semun {
3873 int val;
3874 struct semid_ds *buf;
3875 unsigned short *array;
3876 char __dummy[5];
3877 };
3878# define semun gccbug_semun
3879# endif
bd89102f
AD		 3880# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
3881# else
3882# ifdef USE_SEMCTL_SEMID_DS
e6f0bdd6
GS		 3883# ifdef EXTRA_F_IN_SEMUN_BUF
3884# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
3885# else
3886# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
3887# endif
bd89102f
AD		 3888# endif
3889# endif
bd89102f 3890#endif
49f531da 3891
89ca4ac7
JH		 3892/*
3893 * Boilerplate macros for initializing and accessing interpreter-local
3894 * data from C. All statics in extensions should be reworked to use
3895 * this, if you want to make the extension thread-safe. See ext/re/re.xs
3896 * for an example of the use of these macros.
3897 *
3898 * Code that uses these macros is responsible for the following:
3899 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
3900 * 2. Declare a typedef named my_cxt_t that is a structure that contains
3901 * all the data that needs to be interpreter-local.
3902 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
3903 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
3904 * (typically put in the BOOT: section).
3905 * 5. Use the members of the my_cxt_t structure everywhere as
3906 * MY_CXT.member.
3907 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
3908 * access MY_CXT.
3909 */
3910
fc958cd2 3911#if defined(PERL_IMPLICIT_CONTEXT)
89ca4ac7
JH		 3912
3913/* This must appear in all extensions that define a my_cxt_t structure,
3914 * right after the definition (i.e. at file scope). The non-threads
3915 * case below uses it to declare the data as static. */
3916#define START_MY_CXT
3917
3918/* Fetches the SV that keeps the per-interpreter data. */
3919#define dMY_CXT_SV \
3920 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
3921 sizeof(MY_CXT_KEY)-1, TRUE)
3922
3923/* This declaration should be used within all functions that use the
3924 * interpreter-local data. */
3925#define dMY_CXT \
3926 dMY_CXT_SV; \
ec0e15e0 3927 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
89ca4ac7
JH		 3928
3929/* Creates and zeroes the per-interpreter data.
3930 * (We allocate my_cxtp in a Perl SV so that it will be released when
3931 * the interpreter goes away.) */
3932#define MY_CXT_INIT \
3933 dMY_CXT_SV; \
3934 /* newSV() allocates one more than needed */ \
3935 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
3936 Zero(my_cxtp, 1, my_cxt_t); \
ec0e15e0 3937 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
89ca4ac7
JH		 3938
3939/* This macro must be used to access members of the my_cxt_t structure.
3940 * e.g. MYCXT.some_data */
3941#define MY_CXT (*my_cxtp)
3942
3943/* Judicious use of these macros can reduce the number of times dMY_CXT
3944 * is used. Use is similar to pTHX, aTHX etc. */
3945#define pMY_CXT my_cxt_t *my_cxtp
3946#define pMY_CXT_ pMY_CXT,
3947#define _pMY_CXT ,pMY_CXT
3948#define aMY_CXT my_cxtp
3949#define aMY_CXT_ aMY_CXT,
3950#define _aMY_CXT ,aMY_CXT
3951
3952#else /* USE_ITHREADS */
3953
3954#define START_MY_CXT static my_cxt_t my_cxt;
3955#define dMY_CXT_SV dNOOP
3956#define dMY_CXT dNOOP
3957#define MY_CXT_INIT NOOP
3958#define MY_CXT my_cxt
3959
3960#define pMY_CXT void
3961#define pMY_CXT_
3962#define _pMY_CXT
3963#define aMY_CXT
3964#define aMY_CXT_
3965#define _aMY_CXT
3966
3967#endif /* !defined(USE_ITHREADS) */
3968
9a34ef1d
GS		 3969#ifdef I_FCNTL
3970# include <fcntl.h>
9a34ef1d
GS		 3971#endif
3972
3973#ifdef I_SYS_FILE
3974# include <sys/file.h>
3975#endif
3976
fa0a29af 3977#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
2ef53570
JH		 3978int flock(int fd, int op);
3979#endif
3980
fe52b3b7
GS		 3981#ifndef O_RDONLY
3982/* Assume UNIX defaults */
3983# define O_RDONLY 0000
3984# define O_WRONLY 0001
3985# define O_RDWR 0002
3986# define O_CREAT 0100
3987#endif
9a34ef1d 3988
16fe6d59
GS		 3989#ifndef O_BINARY
3990# define O_BINARY 0
3991#endif
3992
3993#ifndef O_TEXT
3994# define O_TEXT 0
3995#endif
3996
6ce75a77
JH		 3997#if O_TEXT != O_BINARY
3998 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
3999 * that is, you are somehow DOSish. */
73250e76 4000# if defined(__BEOS__) || defined(__VOS__)
a6e45062
JH		 4001 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4002 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
73250e76
JH		 4003 /* VOS has O_TEXT != O_BINARY, and they have effect,
4004 * but VOS always uses LF, never CRLF. */
6ce75a77
JH		 4005 /* If you have O_TEXT different from your O_BINARY but you still are
4006 * not a CRLF shop. */
35990314 4007# undef PERLIO_USING_CRLF
ec53fe4f
JH		 4008# else
4009 /* If you really are DOSish. */
4010# define PERLIO_USING_CRLF 1
6ce75a77
JH		 4011# endif
4012#endif
4013
104d25b7
JH		 4014#ifdef IAMSUID
4015
4016#ifdef I_SYS_STATVFS
9f982a77
IG		 4017# if defined(PERL_SCO) && !defined(_SVID3)
4018# define _SVID3
4019# endif
32b3cf08
JH		 4020# include <sys/statvfs.h> /* for f?statvfs() */
4021#endif
4022#ifdef I_SYS_MOUNT
4023# include <sys/mount.h> /* for *BSD f?statfs() */
4024#endif
4025#ifdef I_MNTENT
4026# include <mntent.h> /* for getmntent() */
104d25b7 4027#endif
0545a864
JH		 4028#ifdef I_SYS_STATFS
4029# include <sys/statfs.h> /* for some statfs() */
4030#endif
4031#ifdef I_SYS_VFS
8d9e1a19
GS		 4032# ifdef __sgi
4033# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4034# endif
4035# include <sys/vfs.h> /* for some statfs() */
4036# ifdef __sgi
4037# undef IRIX_sv
4038# endif
0545a864
JH		 4039#endif
4040#ifdef I_USTAT
4041# include <ustat.h> /* for ustat() */
4042#endif
4043
4044#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4045# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4046#endif
4047#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4048# define PERL_MOUNT_NOSUID MNT_NOSUID
4049#endif
4050#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4051# define PERL_MOUNT_NOSUID MS_NOSUID
4052#endif
4053#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4054# define PERL_MOUNT_NOSUID M_NOSUID
4055#endif
104d25b7
JH		 4056
4057#endif /* IAMSUID */
4058
4bc88a62
PS		 4059#ifdef I_LIBUTIL
4060# include <libutil.h> /* setproctitle() in some FreeBSDs */
4061#endif
4062
b4748376
NIS		 4063#ifndef EXEC_ARGV_CAST
4064#define EXEC_ARGV_CAST(x) x
4065#endif
4066
dd5dc04f
JH		 4067#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4068 int). value returned in pointed-
4069 to UV */
4070#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4071#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4072#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4073#define IS_NUMBER_INFINITY 0x10 /* this is big */
aa8b85de 4074#define IS_NUMBER_NAN 0x20 /* this is not */
dd5dc04f
JH		 4075
4076#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4077
53305cf1
NC		 4078/* Input flags: */
4079#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
a4c04bdc 4080#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
53305cf1
NC		 4081/* Output flags: */
4082#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4083
2c4f7f0e
DM		 4084/* to let user control profiling */
4085#ifdef PERL_GPROF_CONTROL
4086extern void moncontrol(int);
4087#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4088#else
4089#define PERL_GPROF_MONCONTROL(x)
4090#endif
4091
ae0e3d3b
JH		 4092#ifdef UNDER_CE
4093#include "wince.h"
4094#endif
4095
4096/* ISO 6429 NEL - C1 control NExt Line */
4097/* See http://www.unicode.org/unicode/reports/tr13/ */
4098#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4099# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4100# define NEXT_LINE_CHAR 0x15
4101# else /* CDRA */
4102# define NEXT_LINE_CHAR 0x25
4103# endif
4104#else
4105# define NEXT_LINE_CHAR 0x85
4106#endif
4107
4108/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4109#define UNICODE_LINE_SEPA_0 0xE2
4110#define UNICODE_LINE_SEPA_1 0x80
4111#define UNICODE_LINE_SEPA_2 0xA8
4112#define UNICODE_PARA_SEPA_0 0xE2
4113#define UNICODE_PARA_SEPA_1 0x80
4114#define UNICODE_PARA_SEPA_2 0xA9
4115
4d8076ea 4116/* and finally... */
cceca5ed 4117#define PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4118#include "patchlevel.h"
cceca5ed 4119#undef PERL_PATCHLEVEL_H_IMPLICIT
4d8076ea 4120
43999f95 4121/* Mention
d460ef45 4122
43999f95 4123 NV_PRESERVES_UV
fe749a9f 4124
fe749a9f
JH		 4125 HAS_MKSTEMP
4126 HAS_MKSTEMPS
4127 HAS_MKDTEMP
4128
49dabb45
JH		 4129 HAS_GETCWD
4130
d59b5429 4131 HAS_MMAP
fe749a9f
JH		 4132 HAS_MPROTECT
4133 HAS_MSYNC
1e8c3fde 4134 HAS_MADVISE
fe749a9f
JH		 4135 HAS_MUNMAP
4136 I_SYSMMAN
4137 Mmap_t
4138
6b4667fc
A		 4139 NVef
4140 NVff
4141 NVgf
4142
4e0554ec
JH		 4143 HAS_USLEEP
4144 HAS_UALARM
4145
4146 HAS_SETITIMER
4147 HAS_GETITIMER
4148
4149 HAS_SENDMSG
4150 HAS_RECVMSG
4151 HAS_READV
4152 HAS_WRITEV
4153 I_SYSUIO
4154 HAS_STRUCT_MSGHDR
4155 HAS_STRUCT_CMSGHDR
4156
2765b840 4157 HAS_NL_LANGINFO
0a7020c9 4158
ae0e3d3b 4159 HAS_DIRFD
2765b840 4160
43999f95
JH		 4161 so that Configure picks them up. */
4162
85e6fe83 4163#endif /* Include guard */
ae0e3d3b 4164
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