source: vendor/perl/5.8.8/perl.h@ 3699

Last change on this file since 3699 was 3181, checked in by bird, 19 years ago

perl 5.8.8
File size: 138.5 KB
Line 
1/* perl.h
2 *
3 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, 2003, 2004, 2005, 2006 by Larry Wall and others
5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 *
9 */
10
11#ifndef H_PERL
12#define H_PERL 1
13
14#ifdef PERL_FOR_X2P
15/*
16 * This file is being used for x2p stuff.
17 * Above symbol is defined via -D in 'x2p/Makefile.SH'
18 * Decouple x2p stuff from some of perls more extreme eccentricities.
19 */
20#undef MULTIPLICITY
21#undef USE_STDIO
22#define USE_STDIO
23#endif /* PERL_FOR_X2P */
24
25#if defined(DGUX)
26#include <sys/fcntl.h>
27#endif
28
29#ifdef VOIDUSED
30# undef VOIDUSED
31#endif
32#define VOIDUSED 1
33
34#ifdef PERL_MICRO
35# include "uconfig.h"
36#else
37# include "config.h"
38#endif
39
40#if defined(USE_ITHREADS) && defined(USE_5005THREADS)
41# include "error: USE_ITHREADS and USE_5005THREADS are incompatible"
42#endif
43
44/* See L<perlguts/"The Perl API"> for detailed notes on
45 * PERL_IMPLICIT_CONTEXT and PERL_IMPLICIT_SYS */
46
47/* Note that from here --> to <-- the same logic is
48 * repeated in makedef.pl, so be certain to update
49 * both places when editing. */
50
51#ifdef PERL_IMPLICIT_SYS
52/* PERL_IMPLICIT_SYS implies PerlMemShared != PerlMem
53 so use slab allocator to avoid lots of MUTEX overhead
54 */
55# ifndef PL_OP_SLAB_ALLOC
56# define PL_OP_SLAB_ALLOC
57# endif
58#endif
59
60#ifdef USE_ITHREADS
61# if !defined(MULTIPLICITY)
62# define MULTIPLICITY
63# endif
64#endif
65
66#ifdef USE_5005THREADS
67# ifndef PERL_IMPLICIT_CONTEXT
68# define PERL_IMPLICIT_CONTEXT
69# endif
70#endif
71
72#if defined(MULTIPLICITY)
73# ifndef PERL_IMPLICIT_CONTEXT
74# define PERL_IMPLICIT_CONTEXT
75# endif
76#endif
77
78/* undef WIN32 when building on Cygwin (for libwin32) - gph */
79#ifdef __CYGWIN__
80# undef WIN32
81# undef _WIN32
82#endif
83
84/* Use the reentrant APIs like localtime_r and getpwent_r */
85/* Win32 has naturally threadsafe libraries, no need to use any _r variants. */
86#if defined(USE_ITHREADS) && !defined(USE_REENTRANT_API) && !defined(NETWARE) && !defined(WIN32) && !defined(PERL_DARWIN)
87# define USE_REENTRANT_API
88#endif
89
90/* <--- here ends the logic shared by perl.h and makedef.pl */
91
92/*
93 * PERL_DARWIN for MacOSX (__APPLE__ exists but is not officially sanctioned)
94 * (The -DPERL_DARWIN comes from the hints/darwin.sh.)
95 * __bsdi__ for BSD/OS
96 */
97#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(PERL_DARWIN) || defined(__bsdi__) || defined(BSD41) || defined(BSD42) || defined(BSD43) || defined(BSD44)
98# ifndef BSDish
99# define BSDish
100# endif
101#endif
102
103#ifdef PERL_IMPLICIT_CONTEXT
104# ifdef USE_5005THREADS
105struct perl_thread;
106# define pTHX register struct perl_thread *thr PERL_UNUSED_DECL
107# define aTHX thr
108# define dTHR dNOOP /* only backward compatibility */
109# define dTHXa(a) pTHX = (struct perl_thread*)a
110# else
111# ifndef MULTIPLICITY
112# define MULTIPLICITY
113# endif
114# define pTHX register PerlInterpreter *my_perl PERL_UNUSED_DECL
115# define aTHX my_perl
116# define dTHXa(a) pTHX = (PerlInterpreter*)a
117# endif
118# define dTHX pTHX = PERL_GET_THX
119# define pTHX_ pTHX,
120# define aTHX_ aTHX,
121# define pTHX_1 2
122# define pTHX_2 3
123# define pTHX_3 4
124# define pTHX_4 5
125# define pTHX_5 6
126# define pTHX_6 7
127# define pTHX_7 8
128# define pTHX_8 9
129# define pTHX_9 10
130#endif
131
132#define STATIC static
133#define CPERLscope(x) x
134#define CPERLarg void
135#define CPERLarg_
136#define _CPERLarg
137#define PERL_OBJECT_THIS
138#define _PERL_OBJECT_THIS
139#define PERL_OBJECT_THIS_
140#define CALL_FPTR(fptr) (*fptr)
141
142#define CALLRUNOPS CALL_FPTR(PL_runops)
143#define CALLREGCOMP CALL_FPTR(PL_regcompp)
144#define CALLREGEXEC CALL_FPTR(PL_regexecp)
145#define CALLREG_INTUIT_START CALL_FPTR(PL_regint_start)
146#define CALLREG_INTUIT_STRING CALL_FPTR(PL_regint_string)
147#define CALLREGFREE CALL_FPTR(PL_regfree)
148
149#ifdef PERL_FLEXIBLE_EXCEPTIONS
150# define CALLPROTECT CALL_FPTR(PL_protect)
151#endif
152
153#if defined(SYMBIAN) && defined(__GNUC__)
154# ifdef __cplusplus
155# define PERL_UNUSED_DECL
156# else
157# define PERL_UNUSED_DECL __attribute__((unused))
158# endif
159#endif
160
161#ifndef PERL_UNUSED_DECL
162# ifdef HASATTRIBUTE_UNUSED
163# define PERL_UNUSED_DECL __attribute__unused__
164# else
165# define PERL_UNUSED_DECL
166# endif
167#endif
168
169/* gcc -Wall:
170 * for silencing unused variables that are actually used most of the time,
171 * but we cannot quite get rid of, such as "ax" in PPCODE+noargs xsubs
172 */
173#ifndef PERL_UNUSED_ARG
174# ifdef lint
175# include <note.h>
176# define PERL_UNUSED_ARG(x) NOTE(ARGUNUSED(x))
177# else
178# define PERL_UNUSED_ARG(x) ((void)x)
179# endif
180#endif
181#ifndef PERL_UNUSED_VAR
182# define PERL_UNUSED_VAR(x) ((void)x)
183#endif
184
185#define NOOP (void)0
186#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
187
188#ifndef pTHX
189# define pTHX void
190# define pTHX_
191# define aTHX
192# define aTHX_
193# define dTHXa(a) dNOOP
194# define dTHX dNOOP
195# define pTHX_1 1
196# define pTHX_2 2
197# define pTHX_3 3
198# define pTHX_4 4
199# define pTHX_5 5
200# define pTHX_6 6
201# define pTHX_7 7
202# define pTHX_8 8
203# define pTHX_9 9
204#endif
205
206/* these are only defined for compatibility; should not be used internally */
207#if !defined(pTHXo) && !defined(PERL_CORE)
208# define pTHXo pTHX
209# define pTHXo_ pTHX_
210# define aTHXo aTHX
211# define aTHXo_ aTHX_
212# define dTHXo dTHX
213# define dTHXoa(x) dTHXa(x)
214#endif
215
216#ifndef pTHXx
217# define pTHXx register PerlInterpreter *my_perl
218# define pTHXx_ pTHXx,
219# define aTHXx my_perl
220# define aTHXx_ aTHXx,
221# define dTHXx dTHX
222#endif
223
224/* Under PERL_IMPLICIT_SYS (used in Windows for fork emulation)
225 * PerlIO_foo() expands to PL_StdIO->pFOO(PL_StdIO, ...).
226 * dTHXs is therefore needed for all functions using PerlIO_foo(). */
227#ifdef PERL_IMPLICIT_SYS
228# define dTHXs dTHX
229#else
230# define dTHXs dNOOP
231#endif
232
233#undef START_EXTERN_C
234#undef END_EXTERN_C
235#undef EXTERN_C
236#ifdef __cplusplus
237# define START_EXTERN_C extern "C" {
238# define END_EXTERN_C }
239# define EXTERN_C extern "C"
240#else
241# define START_EXTERN_C
242# define END_EXTERN_C
243# define EXTERN_C extern
244#endif
245
246/* Some platforms require marking function declarations
247 * for them to be exportable. Used in perlio.h, proto.h
248 * is handled either by the makedef.pl or by defining the
249 * PERL_CALLCONV to be something special. See also the
250 * definition of XS() in XSUB.h. */
251#ifndef PERL_EXPORT_C
252# define PERL_EXPORT_C extern
253#endif
254#ifndef PERL_XS_EXPORT_C
255# define PERL_XS_EXPORT_C
256#endif
257
258#ifdef OP_IN_REGISTER
259# ifdef __GNUC__
260# define stringify_immed(s) #s
261# define stringify(s) stringify_immed(s)
262register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
263# endif
264#endif
265
266#if defined(__STRICT_ANSI__) && defined(PERL_GCC_PEDANTIC)
267# if !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN)
268# define PERL_GCC_BRACE_GROUPS_FORBIDDEN
269# endif
270#endif
271
272/*
273 * STMT_START { statements; } STMT_END;
274 * can be used as a single statement, as in
275 * if (x) STMT_START { ... } STMT_END; else ...
276 *
277 * Trying to select a version that gives no warnings...
278 */
279#if !(defined(STMT_START) && defined(STMT_END))
280# if defined(__GNUC__) && !defined(PERL_GCC_BRACE_GROUPS_FORBIDDEN) && !defined(__cplusplus)
281# define STMT_START (void)( /* gcc supports "({ STATEMENTS; })" */
282# define STMT_END )
283# else
284 /* Now which other defined()s do we need here ??? */
285# if (VOIDFLAGS) && (defined(sun) || defined(__sun__)) && !defined(__GNUC__)
286# define STMT_START if (1)
287# define STMT_END else (void)0
288# else
289# define STMT_START do
290# define STMT_END while (0)
291# endif
292# endif
293#endif
294
295#define WITH_THX(s) STMT_START { dTHX; s; } STMT_END
296#define WITH_THR(s) WITH_THX(s)
297
298/*
299 * SOFT_CAST can be used for args to prototyped functions to retain some
300 * type checking; it only casts if the compiler does not know prototypes.
301 */
302#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
303#define SOFT_CAST(type)
304#else
305#define SOFT_CAST(type) (type)
306#endif
307
308#ifndef BYTEORDER /* Should never happen -- byteorder is in config.h */
309# define BYTEORDER 0x1234
310#endif
311
312/* Overall memory policy? */
313#ifndef CONSERVATIVE
314# define LIBERAL 1
315#endif
316
317#if 'A' == 65 && 'I' == 73 && 'J' == 74 && 'Z' == 90
318#define ASCIIish
319#else
320#undef ASCIIish
321#endif
322
323/*
324 * The following contortions are brought to you on behalf of all the
325 * standards, semi-standards, de facto standards, not-so-de-facto standards
326 * of the world, as well as all the other botches anyone ever thought of.
327 * The basic theory is that if we work hard enough here, the rest of the
328 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
329 */
330
331/* define this once if either system, instead of cluttering up the src */
332#if defined(MSDOS) || defined(atarist) || defined(WIN32) || defined(NETWARE)
333#define DOSISH 1
334#endif
335
336#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) || defined( EPOC) || defined(NETWARE)
337# define STANDARD_C 1
338#endif
339
340#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(__EMX__) || defined(__DGUX) || defined( EPOC) || defined(__QNX__) || defined(NETWARE) || defined(PERL_MICRO)
341# define DONT_DECLARE_STD 1
342#endif
343
344#if defined(HASVOLATILE) || defined(STANDARD_C)
345# ifdef __cplusplus
346# define VOL /* to temporarily suppress warnings */
347# else
348# define VOL volatile
349# endif
350#else
351# define VOL
352#endif
353
354#define TAINT (PL_tainted = TRUE)
355#define TAINT_NOT (PL_tainted = FALSE)
356#define TAINT_IF(c) if (c) { PL_tainted = TRUE; }
357#define TAINT_ENV() if (PL_tainting) { taint_env(); }
358#define TAINT_PROPER(s) if (PL_tainting) { taint_proper(Nullch, s); }
359
360/* XXX All process group stuff is handled in pp_sys.c. Should these
361 defines move there? If so, I could simplify this a lot. --AD 9/96.
362*/
363/* Process group stuff changed from traditional BSD to POSIX.
364 perlfunc.pod documents the traditional BSD-style syntax, so we'll
365 try to preserve that, if possible.
366*/
367#ifdef HAS_SETPGID
368# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
369#else
370# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
371# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
372# else
373# ifdef HAS_SETPGRP2 /* DG/UX */
374# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
375# endif
376# endif
377#endif
378#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
379# define HAS_SETPGRP /* Well, effectively it does . . . */
380#endif
381
382/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
383 our life easier :-) so we'll try it.
384*/
385#ifdef HAS_GETPGID
386# define BSD_GETPGRP(pid) getpgid((pid))
387#else
388# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
389# define BSD_GETPGRP(pid) getpgrp((pid))
390# else
391# ifdef HAS_GETPGRP2 /* DG/UX */
392# define BSD_GETPGRP(pid) getpgrp2((pid))
393# endif
394# endif
395#endif
396#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
397# define HAS_GETPGRP /* Well, effectively it does . . . */
398#endif
399
400/* These are not exact synonyms, since setpgrp() and getpgrp() may
401 have different behaviors, but perl.h used to define USE_BSDPGRP
402 (prior to 5.003_05) so some extension might depend on it.
403*/
404#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
405# ifndef USE_BSDPGRP
406# define USE_BSDPGRP
407# endif
408#endif
409
410/* HP-UX 10.X CMA (Common Multithreaded Architecure) insists that
411 pthread.h must be included before all other header files.
412*/
413#if (defined(USE_5005THREADS) || defined(USE_ITHREADS)) \
414 && defined(PTHREAD_H_FIRST) && defined(I_PTHREAD)
415# include <pthread.h>
416#endif
417
418#ifndef _TYPES_ /* If types.h defines this it's easy. */
419# ifndef major /* Does everyone's types.h define this? */
420# include <sys/types.h>
421# endif
422#endif
423
424#ifdef __cplusplus
425# ifndef I_STDARG
426# define I_STDARG 1
427# endif
428#endif
429
430#ifdef I_STDARG
431# include <stdarg.h>
432#else
433# ifdef I_VARARGS
434# include <varargs.h>
435# endif
436#endif
437
438#ifdef USE_NEXT_CTYPE
439
440#if NX_CURRENT_COMPILER_RELEASE >= 500
441# include <bsd/ctypes.h>
442#else
443# if NX_CURRENT_COMPILER_RELEASE >= 400
444# include <objc/NXCType.h>
445# else /* NX_CURRENT_COMPILER_RELEASE < 400 */
446# include <appkit/NXCType.h>
447# endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
448#endif /* NX_CURRENT_COMPILER_RELEASE >= 500 */
449
450#else /* !USE_NEXT_CTYPE */
451#include <ctype.h>
452#endif /* USE_NEXT_CTYPE */
453
454#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
455#undef METHOD
456#endif
457
458#ifdef PERL_MICRO
459# define NO_LOCALE
460#endif
461
462#ifdef I_LOCALE
463# include <locale.h>
464#endif
465
466#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
467# define USE_LOCALE
468# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
469 && defined(HAS_STRXFRM)
470# define USE_LOCALE_COLLATE
471# endif
472# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
473# define USE_LOCALE_CTYPE
474# endif
475# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
476# define USE_LOCALE_NUMERIC
477# endif
478#endif /* !NO_LOCALE && HAS_SETLOCALE */
479
480#include <setjmp.h>
481
482#ifdef I_SYS_PARAM
483# ifdef PARAM_NEEDS_TYPES
484# include <sys/types.h>
485# endif
486# include <sys/param.h>
487#endif
488
489/* Use all the "standard" definitions? */
490#if defined(STANDARD_C) && defined(I_STDLIB)
491# include <stdlib.h>
492#endif
493
494/* If this causes problems, set i_unistd=undef in the hint file. */
495#ifdef I_UNISTD
496# include <unistd.h>
497#endif
498
499#if defined(HAS_SYSCALL) && !defined(HAS_SYSCALL_PROTO) && !defined(PERL_MICRO)
500int syscall(int, ...);
501#endif
502
503#if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO)
504int usleep(unsigned int);
505#endif
506
507#ifdef PERL_MICRO /* Last chance to export Perl_my_swap */
508# define MYSWAP
509#endif
510
511#ifdef PERL_CORE
512
513/* macros for correct constant construction */
514# if INTSIZE >= 2
515# define U16_CONST(x) ((U16)x##U)
516# else
517# define U16_CONST(x) ((U16)x##UL)
518# endif
519
520# if INTSIZE >= 4
521# define U32_CONST(x) ((U32)x##U)
522# else
523# define U32_CONST(x) ((U32)x##UL)
524# endif
525
526# ifdef HAS_QUAD
527# if INTSIZE >= 8
528# define U64_CONST(x) ((U64)x##U)
529# elif LONGSIZE >= 8
530# define U64_CONST(x) ((U64)x##UL)
531# elif QUADKIND == QUAD_IS_LONG_LONG
532# define U64_CONST(x) ((U64)x##ULL)
533# else /* best guess we can make */
534# define U64_CONST(x) ((U64)x##UL)
535# endif
536# endif
537
538/* byte-swapping functions for big-/little-endian conversion */
539# define _swab_16_(x) ((U16)( \
540 (((U16)(x) & U16_CONST(0x00ff)) << 8) | \
541 (((U16)(x) & U16_CONST(0xff00)) >> 8) ))
542
543# define _swab_32_(x) ((U32)( \
544 (((U32)(x) & U32_CONST(0x000000ff)) << 24) | \
545 (((U32)(x) & U32_CONST(0x0000ff00)) << 8) | \
546 (((U32)(x) & U32_CONST(0x00ff0000)) >> 8) | \
547 (((U32)(x) & U32_CONST(0xff000000)) >> 24) ))
548
549# ifdef HAS_QUAD
550# define _swab_64_(x) ((U64)( \
551 (((U64)(x) & U64_CONST(0x00000000000000ff)) << 56) | \
552 (((U64)(x) & U64_CONST(0x000000000000ff00)) << 40) | \
553 (((U64)(x) & U64_CONST(0x0000000000ff0000)) << 24) | \
554 (((U64)(x) & U64_CONST(0x00000000ff000000)) << 8) | \
555 (((U64)(x) & U64_CONST(0x000000ff00000000)) >> 8) | \
556 (((U64)(x) & U64_CONST(0x0000ff0000000000)) >> 24) | \
557 (((U64)(x) & U64_CONST(0x00ff000000000000)) >> 40) | \
558 (((U64)(x) & U64_CONST(0xff00000000000000)) >> 56) ))
559# endif
560
561/*----------------------------------------------------------------------------*/
562# if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678 /* little-endian */
563/*----------------------------------------------------------------------------*/
564# define my_htole16(x) (x)
565# define my_letoh16(x) (x)
566# define my_htole32(x) (x)
567# define my_letoh32(x) (x)
568# define my_htobe16(x) _swab_16_(x)
569# define my_betoh16(x) _swab_16_(x)
570# define my_htobe32(x) _swab_32_(x)
571# define my_betoh32(x) _swab_32_(x)
572# ifdef HAS_QUAD
573# define my_htole64(x) (x)
574# define my_letoh64(x) (x)
575# define my_htobe64(x) _swab_64_(x)
576# define my_betoh64(x) _swab_64_(x)
577# endif
578# define my_htoles(x) (x)
579# define my_letohs(x) (x)
580# define my_htolei(x) (x)
581# define my_letohi(x) (x)
582# define my_htolel(x) (x)
583# define my_letohl(x) (x)
584# if SHORTSIZE == 1
585# define my_htobes(x) (x)
586# define my_betohs(x) (x)
587# elif SHORTSIZE == 2
588# define my_htobes(x) _swab_16_(x)
589# define my_betohs(x) _swab_16_(x)
590# elif SHORTSIZE == 4
591# define my_htobes(x) _swab_32_(x)
592# define my_betohs(x) _swab_32_(x)
593# elif SHORTSIZE == 8
594# define my_htobes(x) _swab_64_(x)
595# define my_betohs(x) _swab_64_(x)
596# else
597# define PERL_NEED_MY_HTOBES
598# define PERL_NEED_MY_BETOHS
599# endif
600# if INTSIZE == 1
601# define my_htobei(x) (x)
602# define my_betohi(x) (x)
603# elif INTSIZE == 2
604# define my_htobei(x) _swab_16_(x)
605# define my_betohi(x) _swab_16_(x)
606# elif INTSIZE == 4
607# define my_htobei(x) _swab_32_(x)
608# define my_betohi(x) _swab_32_(x)
609# elif INTSIZE == 8
610# define my_htobei(x) _swab_64_(x)
611# define my_betohi(x) _swab_64_(x)
612# else
613# define PERL_NEED_MY_HTOBEI
614# define PERL_NEED_MY_BETOHI
615# endif
616# if LONGSIZE == 1
617# define my_htobel(x) (x)
618# define my_betohl(x) (x)
619# elif LONGSIZE == 2
620# define my_htobel(x) _swab_16_(x)
621# define my_betohl(x) _swab_16_(x)
622# elif LONGSIZE == 4
623# define my_htobel(x) _swab_32_(x)
624# define my_betohl(x) _swab_32_(x)
625# elif LONGSIZE == 8
626# define my_htobel(x) _swab_64_(x)
627# define my_betohl(x) _swab_64_(x)
628# else
629# define PERL_NEED_MY_HTOBEL
630# define PERL_NEED_MY_BETOHL
631# endif
632# define my_htolen(p,n) NOOP
633# define my_letohn(p,n) NOOP
634# define my_htoben(p,n) my_swabn(p,n)
635# define my_betohn(p,n) my_swabn(p,n)
636/*----------------------------------------------------------------------------*/
637# elif BYTEORDER == 0x4321 || BYTEORDER == 0x87654321 /* big-endian */
638/*----------------------------------------------------------------------------*/
639# define my_htobe16(x) (x)
640# define my_betoh16(x) (x)
641# define my_htobe32(x) (x)
642# define my_betoh32(x) (x)
643# define my_htole16(x) _swab_16_(x)
644# define my_letoh16(x) _swab_16_(x)
645# define my_htole32(x) _swab_32_(x)
646# define my_letoh32(x) _swab_32_(x)
647# ifdef HAS_QUAD
648# define my_htobe64(x) (x)
649# define my_betoh64(x) (x)
650# define my_htole64(x) _swab_64_(x)
651# define my_letoh64(x) _swab_64_(x)
652# endif
653# define my_htobes(x) (x)
654# define my_betohs(x) (x)
655# define my_htobei(x) (x)
656# define my_betohi(x) (x)
657# define my_htobel(x) (x)
658# define my_betohl(x) (x)
659# if SHORTSIZE == 1
660# define my_htoles(x) (x)
661# define my_letohs(x) (x)
662# elif SHORTSIZE == 2
663# define my_htoles(x) _swab_16_(x)
664# define my_letohs(x) _swab_16_(x)
665# elif SHORTSIZE == 4
666# define my_htoles(x) _swab_32_(x)
667# define my_letohs(x) _swab_32_(x)
668# elif SHORTSIZE == 8
669# define my_htoles(x) _swab_64_(x)
670# define my_letohs(x) _swab_64_(x)
671# else
672# define PERL_NEED_MY_HTOLES
673# define PERL_NEED_MY_LETOHS
674# endif
675# if INTSIZE == 1
676# define my_htolei(x) (x)
677# define my_letohi(x) (x)
678# elif INTSIZE == 2
679# define my_htolei(x) _swab_16_(x)
680# define my_letohi(x) _swab_16_(x)
681# elif INTSIZE == 4
682# define my_htolei(x) _swab_32_(x)
683# define my_letohi(x) _swab_32_(x)
684# elif INTSIZE == 8
685# define my_htolei(x) _swab_64_(x)
686# define my_letohi(x) _swab_64_(x)
687# else
688# define PERL_NEED_MY_HTOLEI
689# define PERL_NEED_MY_LETOHI
690# endif
691# if LONGSIZE == 1
692# define my_htolel(x) (x)
693# define my_letohl(x) (x)
694# elif LONGSIZE == 2
695# define my_htolel(x) _swab_16_(x)
696# define my_letohl(x) _swab_16_(x)
697# elif LONGSIZE == 4
698# define my_htolel(x) _swab_32_(x)
699# define my_letohl(x) _swab_32_(x)
700# elif LONGSIZE == 8
701# define my_htolel(x) _swab_64_(x)
702# define my_letohl(x) _swab_64_(x)
703# else
704# define PERL_NEED_MY_HTOLEL
705# define PERL_NEED_MY_LETOHL
706# endif
707# define my_htolen(p,n) my_swabn(p,n)
708# define my_letohn(p,n) my_swabn(p,n)
709# define my_htoben(p,n) NOOP
710# define my_betohn(p,n) NOOP
711/*----------------------------------------------------------------------------*/
712# else /* all other byte-orders */
713/*----------------------------------------------------------------------------*/
714# define PERL_NEED_MY_HTOLE16
715# define PERL_NEED_MY_LETOH16
716# define PERL_NEED_MY_HTOBE16
717# define PERL_NEED_MY_BETOH16
718# define PERL_NEED_MY_HTOLE32
719# define PERL_NEED_MY_LETOH32
720# define PERL_NEED_MY_HTOBE32
721# define PERL_NEED_MY_BETOH32
722# ifdef HAS_QUAD
723# define PERL_NEED_MY_HTOLE64
724# define PERL_NEED_MY_LETOH64
725# define PERL_NEED_MY_HTOBE64
726# define PERL_NEED_MY_BETOH64
727# endif
728# define PERL_NEED_MY_HTOLES
729# define PERL_NEED_MY_LETOHS
730# define PERL_NEED_MY_HTOBES
731# define PERL_NEED_MY_BETOHS
732# define PERL_NEED_MY_HTOLEI
733# define PERL_NEED_MY_LETOHI
734# define PERL_NEED_MY_HTOBEI
735# define PERL_NEED_MY_BETOHI
736# define PERL_NEED_MY_HTOLEL
737# define PERL_NEED_MY_LETOHL
738# define PERL_NEED_MY_HTOBEL
739# define PERL_NEED_MY_BETOHL
740/*----------------------------------------------------------------------------*/
741# endif /* end of byte-order macros */
742/*----------------------------------------------------------------------------*/
743
744/* The old value was hard coded at 1008. (4096-16) seems to be a bit faster,
745 at least on FreeBSD. YMMV, so experiment. */
746#ifndef PERL_ARENA_SIZE
747#define PERL_ARENA_SIZE 4080
748#endif
749
750#endif /* PERL_CORE */
751
752/* Cannot include embed.h here on Win32 as win32.h has not
753 yet been included and defines some config variables e.g. HAVE_INTERP_INTERN
754 */
755#if !defined(PERL_FOR_X2P) && !(defined(WIN32)||defined(VMS))
756# include "embed.h"
757#endif
758
759#define MEM_SIZE Size_t
760
761/* Round all values passed to malloc up, by default to a multiple of
762 sizeof(size_t)
763*/
764#ifndef PERL_STRLEN_ROUNDUP_QUANTUM
765#define PERL_STRLEN_ROUNDUP_QUANTUM Size_t_size
766#endif
767
768#if defined(STANDARD_C) && defined(I_STDDEF)
769# include <stddef.h>
770# define STRUCT_OFFSET(s,m) offsetof(s,m)
771#else
772# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
773#endif
774
775#if defined(I_STRING) || defined(__cplusplus)
776# include <string.h>
777#else
778# include <strings.h>
779#endif
780
781/* This comes after <stdlib.h> so we don't try to change the standard
782 * library prototypes; we'll use our own in proto.h instead. */
783
784#ifdef MYMALLOC
785# ifdef PERL_POLLUTE_MALLOC
786# ifndef PERL_EXTMALLOC_DEF
787# define Perl_malloc malloc
788# define Perl_calloc calloc
789# define Perl_realloc realloc
790# define Perl_mfree free
791# endif
792# else
793# define EMBEDMYMALLOC /* for compatibility */
794# endif
795
796# define safemalloc Perl_malloc
797# define safecalloc Perl_calloc
798# define saferealloc Perl_realloc
799# define safefree Perl_mfree
800# define CHECK_MALLOC_TOO_LATE_FOR_(code) STMT_START { \
801 if (!PL_tainting && MallocCfg_ptr[MallocCfg_cfg_env_read]) \
802 code; \
803 } STMT_END
804# define CHECK_MALLOC_TOO_LATE_FOR(ch) \
805 CHECK_MALLOC_TOO_LATE_FOR_(MALLOC_TOO_LATE_FOR(ch))
806# define panic_write2(s) write(2, s, strlen(s))
807# define CHECK_MALLOC_TAINT(newval) \
808 CHECK_MALLOC_TOO_LATE_FOR_( \
809 if (newval) { \
810 panic_write2("panic: tainting with $ENV{PERL_MALLOC_OPT}\n");\
811 exit(1); })
812# define MALLOC_CHECK_TAINT(argc,argv,env) STMT_START { \
813 if (doing_taint(argc,argv,env)) { \
814 MallocCfg_ptr[MallocCfg_skip_cfg_env] = 1; \
815 }} STMT_END;
816#else /* MYMALLOC */
817# define safemalloc safesysmalloc
818# define safecalloc safesyscalloc
819# define saferealloc safesysrealloc
820# define safefree safesysfree
821# define CHECK_MALLOC_TOO_LATE_FOR(ch) ((void)0)
822# define CHECK_MALLOC_TAINT(newval) ((void)0)
823# define MALLOC_CHECK_TAINT(argc,argv,env)
824#endif /* MYMALLOC */
825
826#define TOO_LATE_FOR_(ch,what) Perl_croak(aTHX_ "\"-%c\" is on the #! line, it must also be used on the command line%s", (char)(ch), what)
827#define TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, "")
828#define MALLOC_TOO_LATE_FOR(ch) TOO_LATE_FOR_(ch, " with $ENV{PERL_MALLOC_OPT}")
829#define MALLOC_CHECK_TAINT2(argc,argv) MALLOC_CHECK_TAINT(argc,argv,NULL)
830
831#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
832#define strchr index
833#define strrchr rindex
834#endif
835
836#ifdef I_MEMORY
837# include <memory.h>
838#endif
839
840#ifdef HAS_MEMCPY
841# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
842# ifndef memcpy
843 extern char * memcpy (char*, char*, int);
844# endif
845# endif
846#else
847# ifndef memcpy
848# ifdef HAS_BCOPY
849# define memcpy(d,s,l) bcopy(s,d,l)
850# else
851# define memcpy(d,s,l) my_bcopy(s,d,l)
852# endif
853# endif
854#endif /* HAS_MEMCPY */
855
856#ifdef HAS_MEMSET
857# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
858# ifndef memset
859 extern char *memset (char*, int, int);
860# endif
861# endif
862#else
863# undef memset
864# define memset(d,c,l) my_memset(d,c,l)
865#endif /* HAS_MEMSET */
866
867#if !defined(HAS_MEMMOVE) && !defined(memmove)
868# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
869# define memmove(d,s,l) bcopy(s,d,l)
870# else
871# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
872# define memmove(d,s,l) memcpy(d,s,l)
873# else
874# define memmove(d,s,l) my_bcopy(s,d,l)
875# endif
876# endif
877#endif
878
879#if defined(mips) && defined(ultrix) && !defined(__STDC__)
880# undef HAS_MEMCMP
881#endif
882
883#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
884# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
885# ifndef memcmp
886 extern int memcmp (char*, char*, int);
887# endif
888# endif
889# ifdef BUGGY_MSC
890# pragma function(memcmp)
891# endif
892#else
893# ifndef memcmp
894# define memcmp my_memcmp
895# endif
896#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
897
898#ifndef memzero
899# ifdef HAS_MEMSET
900# define memzero(d,l) memset(d,0,l)
901# else
902# ifdef HAS_BZERO
903# define memzero(d,l) bzero(d,l)
904# else
905# define memzero(d,l) my_bzero(d,l)
906# endif
907# endif
908#endif
909
910#ifndef PERL_MICRO
911#ifndef memchr
912# ifndef HAS_MEMCHR
913# define memchr(s,c,n) ninstr((char*)(s), ((char*)(s)) + n, &(c), &(c) + 1)
914# endif
915#endif
916#endif
917
918#ifndef HAS_BCMP
919# ifndef bcmp
920# define bcmp(s1,s2,l) memcmp(s1,s2,l)
921# endif
922#endif /* !HAS_BCMP */
923
924#ifdef I_NETINET_IN
925# include <netinet/in.h>
926#endif
927
928#ifdef I_ARPA_INET
929# include <arpa/inet.h>
930#endif
931
932#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
933/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
934 * (the neo-BSD seem to do this). */
935# undef SF_APPEND
936#endif
937
938#ifdef I_SYS_STAT
939# include <sys/stat.h>
940#endif
941
942/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
943 like UTekV) are broken, sometimes giving false positives. Undefine
944 them here and let the code below set them to proper values.
945
946 The ghs macro stands for GreenHills Software C-1.8.5 which
947 is the C compiler for sysV88 and the various derivatives.
948 This header file bug is corrected in gcc-2.5.8 and later versions.
949 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
950
951#if defined(uts) || (defined(m88k) && defined(ghs))
952# undef S_ISDIR
953# undef S_ISCHR
954# undef S_ISBLK
955# undef S_ISREG
956# undef S_ISFIFO
957# undef S_ISLNK
958#endif
959
960#ifdef I_TIME
961# include <time.h>
962#endif
963
964#ifdef I_SYS_TIME
965# ifdef I_SYS_TIME_KERNEL
966# define KERNEL
967# endif
968# include <sys/time.h>
969# ifdef I_SYS_TIME_KERNEL
970# undef KERNEL
971# endif
972#endif
973
974#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
975# include <sys/times.h>
976#endif
977
978#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
979# undef HAS_STRERROR
980#endif
981
982#include <errno.h>
983
984#if defined(WIN32) && defined(PERL_IMPLICIT_SYS)
985# define WIN32SCK_IS_STDSCK /* don't pull in custom wsock layer */
986#endif
987
988/* In Tru64 use the 4.4BSD struct msghdr, not the 4.3 one.
989 * This is important for using IPv6.
990 * For OSF/1 3.2, however, defining _SOCKADDR_LEN would be
991 * a bad idea since it breaks send() and recv(). */
992#if defined(__osf__) && defined(__alpha) && !defined(_SOCKADDR_LEN) && !defined(DEC_OSF1_3_X)
993# define _SOCKADDR_LEN
994#endif
995
996#if defined(HAS_SOCKET) && !defined(VMS) && !defined(WIN32) /* VMS/WIN32 handle sockets via vmsish.h/win32.h */
997# include <sys/socket.h>
998# if defined(USE_SOCKS) && defined(I_SOCKS)
999# if !defined(INCLUDE_PROTOTYPES)
1000# define INCLUDE_PROTOTYPES /* for <socks.h> */
1001# define PERL_SOCKS_NEED_PROTOTYPES
1002# endif
1003# ifdef USE_5005THREADS
1004# define PERL_USE_THREADS /* store our value */
1005# undef USE_5005THREADS
1006# endif
1007# include <socks.h>
1008# ifdef USE_5005THREADS
1009# undef USE_5005THREADS /* socks.h does this on its own */
1010# endif
1011# ifdef PERL_USE_THREADS
1012# define USE_5005THREADS /* restore our value */
1013# undef PERL_USE_THREADS
1014# endif
1015# ifdef PERL_SOCKS_NEED_PROTOTYPES /* keep cpp space clean */
1016# undef INCLUDE_PROTOTYPES
1017# undef PERL_SOCKS_NEED_PROTOTYPES
1018# endif
1019# endif
1020# ifdef I_NETDB
1021# ifdef NETWARE
1022# include<stdio.h>
1023# endif
1024# include <netdb.h>
1025# endif
1026# ifndef ENOTSOCK
1027# ifdef I_NET_ERRNO
1028# include <net/errno.h>
1029# endif
1030# endif
1031#endif
1032
1033/* sockatmark() is so new (2001) that many places might have it hidden
1034 * behind some -D_BLAH_BLAH_SOURCE guard. The __THROW magic is required
1035 * e.g. in Gentoo, see http://bugs.gentoo.org/show_bug.cgi?id=12605 */
1036#if defined(HAS_SOCKATMARK) && !defined(HAS_SOCKATMARK_PROTO)
1037# if defined(__THROW) && defined(__GLIBC__)
1038int sockatmark(int) __THROW;
1039# else
1040int sockatmark(int);
1041# endif
1042#endif
1043
1044#ifdef SETERRNO
1045# undef SETERRNO /* SOCKS might have defined this */
1046#endif
1047
1048#ifdef VMS
1049# define SETERRNO(errcode,vmserrcode) \
1050 STMT_START { \
1051 set_errno(errcode); \
1052 set_vaxc_errno(vmserrcode); \
1053 } STMT_END
1054# define LIB_INVARG LIB$_INVARG
1055# define RMS_DIR RMS$_DIR
1056# define RMS_FAC RMS$_FAC
1057# define RMS_FEX RMS$_FEX
1058# define RMS_FNF RMS$_FNF
1059# define RMS_IFI RMS$_IFI
1060# define RMS_ISI RMS$_ISI
1061# define RMS_PRV RMS$_PRV
1062# define SS_ACCVIO SS$_ACCVIO
1063# define SS_DEVOFFLINE SS$_DEVOFFLINE
1064# define SS_IVCHAN SS$_IVCHAN
1065# define SS_NORMAL SS$_NORMAL
1066#else
1067# define SETERRNO(errcode,vmserrcode) (errno = (errcode))
1068# define LIB_INVARG 0
1069# define RMS_DIR 0
1070# define RMS_FAC 0
1071# define RMS_FEX 0
1072# define RMS_FNF 0
1073# define RMS_IFI 0
1074# define RMS_ISI 0
1075# define RMS_PRV 0
1076# define SS_ACCVIO 0
1077# define SS_DEVOFFLINE 0
1078# define SS_IVCHAN 0
1079# define SS_NORMAL 0
1080#endif
1081
1082#ifdef USE_5005THREADS
1083# define ERRSV (thr->errsv)
1084# define DEFSV THREADSV(0)
1085# define SAVE_DEFSV save_threadsv(0)
1086#else
1087/* FIXME? Change the assignments to PL_defgv to instantiate GvSV? */
1088# define ERRSV GvSV(PL_errgv)
1089# define DEFSV GvSVn(PL_defgv)
1090# define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
1091#endif /* USE_5005THREADS */
1092
1093#define ERRHV GvHV(PL_errgv) /* XXX unused, here for compatibility */
1094
1095#ifndef errno
1096 extern int errno; /* ANSI allows errno to be an lvalue expr.
1097 * For example in multithreaded environments
1098 * something like this might happen:
1099 * extern int *_errno(void);
1100 * #define errno (*_errno()) */
1101#endif
1102
1103#ifdef HAS_STRERROR
1104# ifdef VMS
1105 char *strerror (int,...);
1106# else
1107#ifndef DONT_DECLARE_STD
1108 char *strerror (int);
1109#endif
1110# endif
1111# ifndef Strerror
1112# define Strerror strerror
1113# endif
1114#else
1115# ifdef HAS_SYS_ERRLIST
1116 extern int sys_nerr;
1117 extern char *sys_errlist[];
1118# ifndef Strerror
1119# define Strerror(e) \
1120 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
1121# endif
1122# endif
1123#endif
1124
1125#ifdef I_SYS_IOCTL
1126# ifndef _IOCTL_
1127# include <sys/ioctl.h>
1128# endif
1129#endif
1130
1131#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
1132# ifdef HAS_SOCKETPAIR
1133# undef HAS_SOCKETPAIR
1134# endif
1135# ifdef I_NDBM
1136# undef I_NDBM
1137# endif
1138#endif
1139
1140#ifndef HAS_SOCKETPAIR
1141# ifdef HAS_SOCKET
1142# define socketpair Perl_my_socketpair
1143# endif
1144#endif
1145
1146#if INTSIZE == 2
1147# define htoni htons
1148# define ntohi ntohs
1149#else
1150# define htoni htonl
1151# define ntohi ntohl
1152#endif
1153
1154/* Configure already sets Direntry_t */
1155#if defined(I_DIRENT)
1156# include <dirent.h>
1157 /* NeXT needs dirent + sys/dir.h */
1158# if defined(I_SYS_DIR) && (defined(NeXT) || defined(__NeXT__))
1159# include <sys/dir.h>
1160# endif
1161#else
1162# ifdef I_SYS_NDIR
1163# include <sys/ndir.h>
1164# else
1165# ifdef I_SYS_DIR
1166# ifdef hp9000s500
1167# include <ndir.h> /* may be wrong in the future */
1168# else
1169# include <sys/dir.h>
1170# endif
1171# endif
1172# endif
1173#endif
1174
1175#ifdef PERL_MICRO
1176# ifndef DIR
1177# define DIR void
1178# endif
1179#endif
1180
1181#ifdef FPUTS_BOTCH
1182/* work around botch in SunOS 4.0.1 and 4.0.2 */
1183# ifndef fputs
1184# define fputs(sv,fp) fprintf(fp,"%s",sv)
1185# endif
1186#endif
1187
1188/*
1189 * The following gobbledygook brought to you on behalf of __STDC__.
1190 * (I could just use #ifndef __STDC__, but this is more bulletproof
1191 * in the face of half-implementations.)
1192 */
1193
1194#if defined(I_SYSMODE) && !defined(PERL_MICRO)
1195#include <sys/mode.h>
1196#endif
1197
1198#ifndef S_IFMT
1199# ifdef _S_IFMT
1200# define S_IFMT _S_IFMT
1201# else
1202# define S_IFMT 0170000
1203# endif
1204#endif
1205
1206#ifndef S_ISDIR
1207# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
1208#endif
1209
1210#ifndef S_ISCHR
1211# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
1212#endif
1213
1214#ifndef S_ISBLK
1215# ifdef S_IFBLK
1216# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
1217# else
1218# define S_ISBLK(m) (0)
1219# endif
1220#endif
1221
1222#ifndef S_ISREG
1223# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
1224#endif
1225
1226#ifndef S_ISFIFO
1227# ifdef S_IFIFO
1228# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
1229# else
1230# define S_ISFIFO(m) (0)
1231# endif
1232#endif
1233
1234#ifndef S_ISLNK
1235# ifdef _S_ISLNK
1236# define S_ISLNK(m) _S_ISLNK(m)
1237# else
1238# ifdef _S_IFLNK
1239# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
1240# else
1241# ifdef S_IFLNK
1242# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
1243# else
1244# define S_ISLNK(m) (0)
1245# endif
1246# endif
1247# endif
1248#endif
1249
1250#ifndef S_ISSOCK
1251# ifdef _S_ISSOCK
1252# define S_ISSOCK(m) _S_ISSOCK(m)
1253# else
1254# ifdef _S_IFSOCK
1255# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
1256# else
1257# ifdef S_IFSOCK
1258# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
1259# else
1260# define S_ISSOCK(m) (0)
1261# endif
1262# endif
1263# endif
1264#endif
1265
1266#ifndef S_IRUSR
1267# ifdef S_IREAD
1268# define S_IRUSR S_IREAD
1269# define S_IWUSR S_IWRITE
1270# define S_IXUSR S_IEXEC
1271# else
1272# define S_IRUSR 0400
1273# define S_IWUSR 0200
1274# define S_IXUSR 0100
1275# endif
1276#endif
1277
1278#ifndef S_IRGRP
1279# ifdef S_IRUSR
1280# define S_IRGRP (S_IRUSR>>3)
1281# define S_IWGRP (S_IWUSR>>3)
1282# define S_IXGRP (S_IXUSR>>3)
1283# else
1284# define S_IRGRP 0040
1285# define S_IWGRP 0020
1286# define S_IXGRP 0010
1287# endif
1288#endif
1289
1290#ifndef S_IROTH
1291# ifdef S_IRUSR
1292# define S_IROTH (S_IRUSR>>6)
1293# define S_IWOTH (S_IWUSR>>6)
1294# define S_IXOTH (S_IXUSR>>6)
1295# else
1296# define S_IROTH 0040
1297# define S_IWOTH 0020
1298# define S_IXOTH 0010
1299# endif
1300#endif
1301
1302#ifndef S_ISUID
1303# define S_ISUID 04000
1304#endif
1305
1306#ifndef S_ISGID
1307# define S_ISGID 02000
1308#endif
1309
1310#ifndef S_IRWXU
1311# define S_IRWXU (S_IRUSR|S_IWUSR|S_IXUSR)
1312#endif
1313
1314#ifndef S_IRWXG
1315# define S_IRWXG (S_IRGRP|S_IWGRP|S_IXGRP)
1316#endif
1317
1318#ifndef S_IRWXO
1319# define S_IRWXO (S_IROTH|S_IWOTH|S_IXOTH)
1320#endif
1321
1322/* BeOS 5.0 seems to define S_IREAD and S_IWRITE in <posix/fcntl.h>
1323 * which would get included through <sys/file.h >, but that is 3000
1324 * lines in the future. --jhi */
1325
1326#if !defined(S_IREAD) && !defined(__BEOS__)
1327# define S_IREAD S_IRUSR
1328#endif
1329
1330#if !defined(S_IWRITE) && !defined(__BEOS__)
1331# define S_IWRITE S_IWUSR
1332#endif
1333
1334#ifndef S_IEXEC
1335# define S_IEXEC S_IXUSR
1336#endif
1337
1338#ifdef ff_next
1339# undef ff_next
1340#endif
1341
1342#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
1343# define SLOPPYDIVIDE
1344#endif
1345
1346#ifdef UV
1347#undef UV
1348#endif
1349
1350#ifdef SPRINTF_E_BUG
1351# define sprintf UTS_sprintf_wrap
1352#endif
1353
1354/* Configure gets this right but the UTS compiler gets it wrong.
1355 -- Hal Morris <hom00@utsglobal.com> */
1356#ifdef UTS
1357# undef UVTYPE
1358# define UVTYPE unsigned
1359#endif
1360
1361/*
1362 The IV type is supposed to be long enough to hold any integral
1363 value or a pointer.
1364 --Andy Dougherty August 1996
1365*/
1366
1367typedef IVTYPE IV;
1368typedef UVTYPE UV;
1369
1370#if defined(USE_64_BIT_INT) && defined(HAS_QUAD)
1371# if QUADKIND == QUAD_IS_INT64_T && defined(INT64_MAX)
1372# define IV_MAX INT64_MAX
1373# define IV_MIN INT64_MIN
1374# define UV_MAX UINT64_MAX
1375# ifndef UINT64_MIN
1376# define UINT64_MIN 0
1377# endif
1378# define UV_MIN UINT64_MIN
1379# else
1380# define IV_MAX PERL_QUAD_MAX
1381# define IV_MIN PERL_QUAD_MIN
1382# define UV_MAX PERL_UQUAD_MAX
1383# define UV_MIN PERL_UQUAD_MIN
1384# endif
1385# define IV_IS_QUAD
1386# define UV_IS_QUAD
1387#else
1388# if defined(INT32_MAX) && IVSIZE == 4
1389# define IV_MAX INT32_MAX
1390# define IV_MIN INT32_MIN
1391# ifndef UINT32_MAX_BROKEN /* e.g. HP-UX with gcc messes this up */
1392# define UV_MAX UINT32_MAX
1393# else
1394# define UV_MAX 4294967295U
1395# endif
1396# ifndef UINT32_MIN
1397# define UINT32_MIN 0
1398# endif
1399# define UV_MIN UINT32_MIN
1400# else
1401# define IV_MAX PERL_LONG_MAX
1402# define IV_MIN PERL_LONG_MIN
1403# define UV_MAX PERL_ULONG_MAX
1404# define UV_MIN PERL_ULONG_MIN
1405# endif
1406# if IVSIZE == 8
1407# define IV_IS_QUAD
1408# define UV_IS_QUAD
1409# ifndef HAS_QUAD
1410# define HAS_QUAD
1411# endif
1412# else
1413# undef IV_IS_QUAD
1414# undef UV_IS_QUAD
1415# undef HAS_QUAD
1416# endif
1417#endif
1418
1419#ifndef HAS_QUAD
1420# undef PERL_NEED_MY_HTOLE64
1421# undef PERL_NEED_MY_LETOH64
1422# undef PERL_NEED_MY_HTOBE64
1423# undef PERL_NEED_MY_BETOH64
1424#endif
1425
1426#if defined(uts) || defined(UTS)
1427# undef UV_MAX
1428# define UV_MAX (4294967295u)
1429#endif
1430
1431#define IV_DIG (BIT_DIGITS(IVSIZE * 8))
1432#define UV_DIG (BIT_DIGITS(UVSIZE * 8))
1433
1434#ifndef NO_PERL_PRESERVE_IVUV
1435#define PERL_PRESERVE_IVUV /* We like our integers to stay integers. */
1436#endif
1437
1438/*
1439 * The macros INT2PTR and NUM2PTR are (despite their names)
1440 * bi-directional: they will convert int/float to or from pointers.
1441 * However the conversion to int/float are named explicitly:
1442 * PTR2IV, PTR2UV, PTR2NV.
1443 *
1444 * For int conversions we do not need two casts if pointers are
1445 * the same size as IV and UV. Otherwise we need an explicit
1446 * cast (PTRV) to avoid compiler warnings.
1447 */
1448#if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
1449# define PTRV UV
1450# define INT2PTR(any,d) (any)(d)
1451#else
1452# if PTRSIZE == LONGSIZE
1453# define PTRV unsigned long
1454# define PTR2ul(p) (unsigned long)(p)
1455# else
1456# define PTRV unsigned
1457# endif
1458#endif
1459
1460#ifndef INT2PTR
1461# define INT2PTR(any,d) (any)(PTRV)(d)
1462#endif
1463
1464#ifndef PTR2ul
1465# define PTR2ul(p) INT2PTR(unsigned long,p)
1466#endif
1467
1468#define NUM2PTR(any,d) (any)(PTRV)(d)
1469#define PTR2IV(p) INT2PTR(IV,p)
1470#define PTR2UV(p) INT2PTR(UV,p)
1471#define PTR2NV(p) NUM2PTR(NV,p)
1472#define PTR2nat(p) (PTRV)(p) /* pointer to integer of PTRSIZE */
1473
1474/* According to strict ANSI C89 one cannot freely cast between
1475 * data pointers and function (code) pointers. There are at least
1476 * two ways around this. One (used below) is to do two casts,
1477 * first the other pointer to an (unsigned) integer, and then
1478 * the integer to the other pointer. The other way would be
1479 * to use unions to "overlay" the pointers. For an example of
1480 * the latter technique, see union dirpu in struct xpvio in sv.h.
1481 * The only feasible use is probably temporarily storing
1482 * function pointers in a data pointer (such as a void pointer). */
1483
1484#define DPTR2FPTR(t,p) ((t)PTR2nat(p)) /* data pointer to function pointer */
1485#define FPTR2DPTR(t,p) ((t)PTR2nat(p)) /* function pointer to data pointer */
1486
1487#ifdef USE_LONG_DOUBLE
1488# if defined(HAS_LONG_DOUBLE) && LONG_DOUBLESIZE == DOUBLESIZE
1489# define LONG_DOUBLE_EQUALS_DOUBLE
1490# endif
1491# if !(defined(HAS_LONG_DOUBLE) && (LONG_DOUBLESIZE > DOUBLESIZE))
1492# undef USE_LONG_DOUBLE /* Ouch! */
1493# endif
1494#endif
1495
1496#ifdef OVR_DBL_DIG
1497/* Use an overridden DBL_DIG */
1498# ifdef DBL_DIG
1499# undef DBL_DIG
1500# endif
1501# define DBL_DIG OVR_DBL_DIG
1502#else
1503/* The following is all to get DBL_DIG, in order to pick a nice
1504 default value for printing floating point numbers in Gconvert
1505 (see config.h). (It also has other uses, such as figuring out if
1506 a given precision of printing can be done with a double instead of
1507 a long double - Allen).
1508*/
1509#ifdef I_LIMITS
1510#include <limits.h>
1511#endif
1512#ifdef I_FLOAT
1513#include <float.h>
1514#endif
1515#ifndef HAS_DBL_DIG
1516#define DBL_DIG 15 /* A guess that works lots of places */
1517#endif
1518#endif
1519#ifdef I_FLOAT
1520#include <float.h>
1521#endif
1522#ifndef HAS_DBL_DIG
1523#define DBL_DIG 15 /* A guess that works lots of places */
1524#endif
1525
1526#ifdef OVR_LDBL_DIG
1527/* Use an overridden LDBL_DIG */
1528# ifdef LDBL_DIG
1529# undef LDBL_DIG
1530# endif
1531# define LDBL_DIG OVR_LDBL_DIG
1532#else
1533/* The following is all to get LDBL_DIG, in order to pick a nice
1534 default value for printing floating point numbers in Gconvert.
1535 (see config.h)
1536*/
1537# ifdef I_LIMITS
1538# include <limits.h>
1539# endif
1540# ifdef I_FLOAT
1541# include <float.h>
1542# endif
1543# ifndef HAS_LDBL_DIG
1544# if LONG_DOUBLESIZE == 10
1545# define LDBL_DIG 18 /* assume IEEE */
1546# else
1547# if LONG_DOUBLESIZE == 12
1548# define LDBL_DIG 18 /* gcc? */
1549# else
1550# if LONG_DOUBLESIZE == 16
1551# define LDBL_DIG 33 /* assume IEEE */
1552# else
1553# if LONG_DOUBLESIZE == DOUBLESIZE
1554# define LDBL_DIG DBL_DIG /* bummer */
1555# endif
1556# endif
1557# endif
1558# endif
1559# endif
1560#endif
1561
1562/*
1563 * This is for making sure we have a good DBL_MAX value, if possible,
1564 * either for usage as NV_MAX or for usage in figuring out if we can
1565 * fit a given long double into a double, if bug-fixing makes it
1566 * necessary to do so. - Allen <allens@cpan.org>
1567 */
1568
1569#ifdef I_LIMITS
1570# include <limits.h>
1571#endif
1572
1573#ifdef I_VALUES
1574# if !(defined(DBL_MIN) && defined(DBL_MAX) && defined(I_LIMITS))
1575# include <values.h>
1576# if defined(MAXDOUBLE) && !defined(DBL_MAX)
1577# define DBL_MAX MAXDOUBLE
1578# endif
1579# if defined(MINDOUBLE) && !defined(DBL_MIN)
1580# define DBL_MIN MINDOUBLE
1581# endif
1582# endif
1583#endif /* defined(I_VALUES) */
1584
1585typedef NVTYPE NV;
1586
1587#ifdef I_IEEEFP
1588# include <ieeefp.h>
1589#endif
1590
1591#ifdef USE_LONG_DOUBLE
1592# ifdef I_SUNMATH
1593# include <sunmath.h>
1594# endif
1595# define NV_DIG LDBL_DIG
1596# ifdef LDBL_MANT_DIG
1597# define NV_MANT_DIG LDBL_MANT_DIG
1598# endif
1599# ifdef LDBL_MIN
1600# define NV_MIN LDBL_MIN
1601# endif
1602# ifdef LDBL_MAX
1603# define NV_MAX LDBL_MAX
1604# endif
1605# ifdef LDBL_MIN_10_EXP
1606# define NV_MIN_10_EXP LDBL_MIN_10_EXP
1607# endif
1608# ifdef LDBL_MAX_10_EXP
1609# define NV_MAX_10_EXP LDBL_MAX_10_EXP
1610# endif
1611# ifdef LDBL_EPSILON
1612# define NV_EPSILON LDBL_EPSILON
1613# endif
1614# ifdef LDBL_MAX
1615# define NV_MAX LDBL_MAX
1616/* Having LDBL_MAX doesn't necessarily mean that we have LDBL_MIN... -Allen */
1617# else
1618# ifdef HUGE_VALL
1619# define NV_MAX HUGE_VALL
1620# else
1621# ifdef HUGE_VAL
1622# define NV_MAX ((NV)HUGE_VAL)
1623# endif
1624# endif
1625# endif
1626# ifdef HAS_SQRTL
1627# define Perl_cos cosl
1628# define Perl_sin sinl
1629# define Perl_sqrt sqrtl
1630# define Perl_exp expl
1631# define Perl_log logl
1632# define Perl_atan2 atan2l
1633# define Perl_pow powl
1634# define Perl_floor floorl
1635# define Perl_ceil ceill
1636# define Perl_fmod fmodl
1637# endif
1638/* e.g. libsunmath doesn't have modfl and frexpl as of mid-March 2000 */
1639# ifdef HAS_MODFL
1640# define Perl_modf(x,y) modfl(x,y)
1641/* eg glibc 2.2 series seems to provide modfl on ppc and arm, but has no
1642 prototype in <math.h> */
1643# ifndef HAS_MODFL_PROTO
1644EXTERN_C long double modfl(long double, long double *);
1645# endif
1646# else
1647# if defined(HAS_AINTL) && defined(HAS_COPYSIGNL)
1648 extern long double Perl_my_modfl(long double x, long double *ip);
1649# define Perl_modf(x,y) Perl_my_modfl(x,y)
1650# endif
1651# endif
1652# ifdef HAS_FREXPL
1653# define Perl_frexp(x,y) frexpl(x,y)
1654# else
1655# if defined(HAS_ILOGBL) && defined(HAS_SCALBNL)
1656 extern long double Perl_my_frexpl(long double x, int *e);
1657# define Perl_frexp(x,y) Perl_my_frexpl(x,y)
1658# endif
1659# endif
1660# ifndef Perl_isnan
1661# ifdef HAS_ISNANL
1662# define Perl_isnan(x) isnanl(x)
1663# endif
1664# endif
1665# ifndef Perl_isinf
1666# ifdef HAS_FINITEL
1667# define Perl_isinf(x) !(finitel(x)||Perl_isnan(x))
1668# endif
1669# endif
1670#else
1671# define NV_DIG DBL_DIG
1672# ifdef DBL_MANT_DIG
1673# define NV_MANT_DIG DBL_MANT_DIG
1674# endif
1675# ifdef DBL_MIN
1676# define NV_MIN DBL_MIN
1677# endif
1678# ifdef DBL_MAX
1679# define NV_MAX DBL_MAX
1680# endif
1681# ifdef DBL_MIN_10_EXP
1682# define NV_MIN_10_EXP DBL_MIN_10_EXP
1683# endif
1684# ifdef DBL_MAX_10_EXP
1685# define NV_MAX_10_EXP DBL_MAX_10_EXP
1686# endif
1687# ifdef DBL_EPSILON
1688# define NV_EPSILON DBL_EPSILON
1689# endif
1690# ifdef DBL_MAX /* XXX Does DBL_MAX imply having DBL_MIN? */
1691# define NV_MAX DBL_MAX
1692# define NV_MIN DBL_MIN
1693# else
1694# ifdef HUGE_VAL
1695# define NV_MAX HUGE_VAL
1696# endif
1697# endif
1698# define Perl_cos cos
1699# define Perl_sin sin
1700# define Perl_sqrt sqrt
1701# define Perl_exp exp
1702# define Perl_log log
1703# define Perl_atan2 atan2
1704# define Perl_pow pow
1705# define Perl_floor floor
1706# define Perl_ceil ceil
1707# define Perl_fmod fmod
1708# define Perl_modf(x,y) modf(x,y)
1709# define Perl_frexp(x,y) frexp(x,y)
1710#endif
1711
1712/* rumor has it that Win32 has _fpclass() */
1713
1714/* SGI has fpclassl... but not with the same result values,
1715 * and it's via a typedef (not via #define), so will need to redo Configure
1716 * to use. Not worth the trouble, IMO, at least until the below is used
1717 * more places. Also has fp_class_l, BTW, via fp_class.h. Feel free to check
1718 * with me for the SGI manpages, SGI testing, etcetera, if you want to
1719 * try getting this to work with IRIX. - Allen <allens@cpan.org> */
1720
1721#if !defined(Perl_fp_class) && (defined(HAS_FPCLASS)||defined(HAS_FPCLASSL))
1722# ifdef I_IEEFP
1723# include <ieeefp.h>
1724# endif
1725# ifdef I_FP
1726# include <fp.h>
1727# endif
1728# if defined(USE_LONG_DOUBLE) && defined(HAS_FPCLASSL)
1729# define Perl_fp_class() fpclassl(x)
1730# else
1731# define Perl_fp_class() fpclass(x)
1732# endif
1733# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_CLASS_SNAN)
1734# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_CLASS_QNAN)
1735# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_CLASS_SNAN||Perl_fp_class(x)==FP_CLASS_QNAN)
1736# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_CLASS_NINF)
1737# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_CLASS_PINF)
1738# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_CLASS_NINF||Perl_fp_class(x)==FP_CLASS_PINF)
1739# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_CLASS_NNORM)
1740# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_CLASS_PNORM)
1741# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_CLASS_NNORM||Perl_fp_class(x)==FP_CLASS_PNORM)
1742# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM)
1743# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_CLASS_PDENORM)
1744# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_CLASS_NDENORM||Perl_fp_class(x)==FP_CLASS_PDENORM)
1745# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_CLASS_NZERO)
1746# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_CLASS_PZERO)
1747# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_CLASS_NZERO||Perl_fp_class(x)==FP_CLASS_PZERO)
1748#endif
1749
1750#if !defined(Perl_fp_class) && defined(HAS_FP_CLASS) && !defined(PERL_MICRO)
1751# include <math.h>
1752# if !defined(FP_SNAN) && defined(I_FP_CLASS)
1753# include <fp_class.h>
1754# endif
1755# define Perl_fp_class(x) fp_class(x)
1756# define Perl_fp_class_snan(x) (fp_class(x)==FP_SNAN)
1757# define Perl_fp_class_qnan(x) (fp_class(x)==FP_QNAN)
1758# define Perl_fp_class_nan(x) (fp_class(x)==FP_SNAN||fp_class(x)==FP_QNAN)
1759# define Perl_fp_class_ninf(x) (fp_class(x)==FP_NEG_INF)
1760# define Perl_fp_class_pinf(x) (fp_class(x)==FP_POS_INF)
1761# define Perl_fp_class_inf(x) (fp_class(x)==FP_NEG_INF||fp_class(x)==FP_POS_INF)
1762# define Perl_fp_class_nnorm(x) (fp_class(x)==FP_NEG_NORM)
1763# define Perl_fp_class_pnorm(x) (fp_class(x)==FP_POS_NORM)
1764# define Perl_fp_class_norm(x) (fp_class(x)==FP_NEG_NORM||fp_class(x)==FP_POS_NORM)
1765# define Perl_fp_class_ndenorm(x) (fp_class(x)==FP_NEG_DENORM)
1766# define Perl_fp_class_pdenorm(x) (fp_class(x)==FP_POS_DENORM)
1767# define Perl_fp_class_denorm(x) (fp_class(x)==FP_NEG_DENORM||fp_class(x)==FP_POS_DENORM)
1768# define Perl_fp_class_nzero(x) (fp_class(x)==FP_NEG_ZERO)
1769# define Perl_fp_class_pzero(x) (fp_class(x)==FP_POS_ZERO)
1770# define Perl_fp_class_zero(x) (fp_class(x)==FP_NEG_ZERO||fp_class(x)==FP_POS_ZERO)
1771#endif
1772
1773#if !defined(Perl_fp_class) && defined(HAS_FPCLASSIFY)
1774# include <math.h>
1775# define Perl_fp_class(x) fpclassify(x)
1776# define Perl_fp_class_nan(x) (fp_classify(x)==FP_SNAN||fp_classify(x)==FP_QNAN)
1777# define Perl_fp_class_inf(x) (fp_classify(x)==FP_INFINITE)
1778# define Perl_fp_class_norm(x) (fp_classify(x)==FP_NORMAL)
1779# define Perl_fp_class_denorm(x) (fp_classify(x)==FP_SUBNORMAL)
1780# define Perl_fp_class_zero(x) (fp_classify(x)==FP_ZERO)
1781#endif
1782
1783#if !defined(Perl_fp_class) && defined(HAS_CLASS)
1784# include <math.h>
1785# ifndef _cplusplus
1786# define Perl_fp_class(x) class(x)
1787# else
1788# define Perl_fp_class(x) _class(x)
1789# endif
1790# define Perl_fp_class_snan(x) (Perl_fp_class(x)==FP_NANS)
1791# define Perl_fp_class_qnan(x) (Perl_fp_class(x)==FP_NANQ)
1792# define Perl_fp_class_nan(x) (Perl_fp_class(x)==FP_SNAN||Perl_fp_class(x)==FP_QNAN)
1793# define Perl_fp_class_ninf(x) (Perl_fp_class(x)==FP_MINUS_INF)
1794# define Perl_fp_class_pinf(x) (Perl_fp_class(x)==FP_PLUS_INF)
1795# define Perl_fp_class_inf(x) (Perl_fp_class(x)==FP_MINUS_INF||Perl_fp_class(x)==FP_PLUS_INF)
1796# define Perl_fp_class_nnorm(x) (Perl_fp_class(x)==FP_MINUS_NORM)
1797# define Perl_fp_class_pnorm(x) (Perl_fp_class(x)==FP_PLUS_NORM)
1798# define Perl_fp_class_norm(x) (Perl_fp_class(x)==FP_MINUS_NORM||Perl_fp_class(x)==FP_PLUS_NORM)
1799# define Perl_fp_class_ndenorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM)
1800# define Perl_fp_class_pdenorm(x) (Perl_fp_class(x)==FP_PLUS_DENORM)
1801# define Perl_fp_class_denorm(x) (Perl_fp_class(x)==FP_MINUS_DENORM||Perl_fp_class(x)==FP_PLUS_DENORM)
1802# define Perl_fp_class_nzero(x) (Perl_fp_class(x)==FP_MINUS_ZERO)
1803# define Perl_fp_class_pzero(x) (Perl_fp_class(x)==FP_PLUS_ZERO)
1804# define Perl_fp_class_zero(x) (Perl_fp_class(x)==FP_MINUS_ZERO||Perl_fp_class(x)==FP_PLUS_ZERO)
1805#endif
1806
1807/* rumor has it that Win32 has _isnan() */
1808
1809#ifndef Perl_isnan
1810# ifdef HAS_ISNAN
1811# define Perl_isnan(x) isnan((NV)x)
1812# else
1813# ifdef Perl_fp_class_nan
1814# define Perl_isnan(x) Perl_fp_class_nan(x)
1815# else
1816# ifdef HAS_UNORDERED
1817# define Perl_isnan(x) unordered((x), 0.0)
1818# else
1819# define Perl_isnan(x) ((x)!=(x))
1820# endif
1821# endif
1822# endif
1823#endif
1824
1825#ifdef UNDER_CE
1826int isnan(double d);
1827#endif
1828
1829#ifndef Perl_isinf
1830# ifdef HAS_ISINF
1831# define Perl_isinf(x) isinf((NV)x)
1832# else
1833# ifdef Perl_fp_class_inf
1834# define Perl_isinf(x) Perl_fp_class_inf(x)
1835# else
1836# define Perl_isinf(x) ((x)==NV_INF)
1837# endif
1838# endif
1839#endif
1840
1841#ifndef Perl_isfinite
1842# ifdef HAS_FINITE
1843# define Perl_isfinite(x) finite((NV)x)
1844# else
1845# ifdef HAS_ISFINITE
1846# define Perl_isfinite(x) isfinite(x)
1847# else
1848# ifdef Perl_fp_class_finite
1849# define Perl_isfinite(x) Perl_fp_class_finite(x)
1850# else
1851# define Perl_isfinite(x) !(Perl_is_inf(x)||Perl_is_nan(x))
1852# endif
1853# endif
1854# endif
1855#endif
1856
1857/* The default is to use Perl's own atof() implementation (in numeric.c).
1858 * Usually that is the one to use but for some platforms (e.g. UNICOS)
1859 * it is however best to use the native implementation of atof.
1860 * You can experiment with using your native one by -DUSE_PERL_ATOF=0.
1861 * Some good tests to try out with either setting are t/base/num.t,
1862 * t/op/numconvert.t, and t/op/pack.t. Note that if using long doubles
1863 * you may need to be using a different function than atof! */
1864
1865#ifndef USE_PERL_ATOF
1866# ifndef _UNICOS
1867# define USE_PERL_ATOF
1868# endif
1869#else
1870# if USE_PERL_ATOF == 0
1871# undef USE_PERL_ATOF
1872# endif
1873#endif
1874
1875#ifdef USE_PERL_ATOF
1876# define Perl_atof(s) Perl_my_atof(s)
1877# define Perl_atof2(s, n) Perl_my_atof2(aTHX_ (s), &(n))
1878#else
1879# define Perl_atof(s) (NV)atof(s)
1880# define Perl_atof2(s, n) ((n) = atof(s))
1881#endif
1882
1883/* Previously these definitions used hardcoded figures.
1884 * It is hoped these formula are more portable, although
1885 * no data one way or another is presently known to me.
1886 * The "PERL_" names are used because these calculated constants
1887 * do not meet the ANSI requirements for LONG_MAX, etc., which
1888 * need to be constants acceptable to #if - kja
1889 * define PERL_LONG_MAX 2147483647L
1890 * define PERL_LONG_MIN (-LONG_MAX - 1)
1891 * define PERL ULONG_MAX 4294967295L
1892 */
1893
1894#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
1895# include <limits.h>
1896#endif
1897/* Included values.h above if necessary; still including limits.h down here,
1898 * despite doing above, because math.h might have overriden... XXX - Allen */
1899
1900/*
1901 * Try to figure out max and min values for the integral types. THE CORRECT
1902 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
1903 * following hacks are used if neither limits.h or values.h provide them:
1904 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
1905 * for types < int: (unsigned TYPE)~(unsigned)0
1906 * The argument to ~ must be unsigned so that later signed->unsigned
1907 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
1908 * and it must not be smaller than int because ~ does integral promotion.
1909 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
1910 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
1911 * The latter is a hack which happens to work on some machines but
1912 * does *not* catch any random system, or things like integer types
1913 * with NaN if that is possible.
1914 *
1915 * All of the types are explicitly cast to prevent accidental loss of
1916 * numeric range, and in the hope that they will be less likely to confuse
1917 * over-eager optimizers.
1918 *
1919 */
1920
1921#define PERL_UCHAR_MIN ((unsigned char)0)
1922
1923#ifdef UCHAR_MAX
1924# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
1925#else
1926# ifdef MAXUCHAR
1927# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
1928# else
1929# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
1930# endif
1931#endif
1932
1933/*
1934 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
1935 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
1936 * depending on local options. Until Configure detects this (or at least
1937 * detects whether the "signed" keyword is available) the CHAR ranges
1938 * will not be included. UCHAR functions normally.
1939 * - kja
1940 */
1941
1942#define PERL_USHORT_MIN ((unsigned short)0)
1943
1944#ifdef USHORT_MAX
1945# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
1946#else
1947# ifdef MAXUSHORT
1948# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
1949# else
1950# ifdef USHRT_MAX
1951# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
1952# else
1953# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
1954# endif
1955# endif
1956#endif
1957
1958#ifdef SHORT_MAX
1959# define PERL_SHORT_MAX ((short)SHORT_MAX)
1960#else
1961# ifdef MAXSHORT /* Often used in <values.h> */
1962# define PERL_SHORT_MAX ((short)MAXSHORT)
1963# else
1964# ifdef SHRT_MAX
1965# define PERL_SHORT_MAX ((short)SHRT_MAX)
1966# else
1967# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
1968# endif
1969# endif
1970#endif
1971
1972#ifdef SHORT_MIN
1973# define PERL_SHORT_MIN ((short)SHORT_MIN)
1974#else
1975# ifdef MINSHORT
1976# define PERL_SHORT_MIN ((short)MINSHORT)
1977# else
1978# ifdef SHRT_MIN
1979# define PERL_SHORT_MIN ((short)SHRT_MIN)
1980# else
1981# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
1982# endif
1983# endif
1984#endif
1985
1986#ifdef UINT_MAX
1987# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
1988#else
1989# ifdef MAXUINT
1990# define PERL_UINT_MAX ((unsigned int)MAXUINT)
1991# else
1992# define PERL_UINT_MAX (~(unsigned int)0)
1993# endif
1994#endif
1995
1996#define PERL_UINT_MIN ((unsigned int)0)
1997
1998#ifdef INT_MAX
1999# define PERL_INT_MAX ((int)INT_MAX)
2000#else
2001# ifdef MAXINT /* Often used in <values.h> */
2002# define PERL_INT_MAX ((int)MAXINT)
2003# else
2004# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
2005# endif
2006#endif
2007
2008#ifdef INT_MIN
2009# define PERL_INT_MIN ((int)INT_MIN)
2010#else
2011# ifdef MININT
2012# define PERL_INT_MIN ((int)MININT)
2013# else
2014# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
2015# endif
2016#endif
2017
2018#ifdef ULONG_MAX
2019# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
2020#else
2021# ifdef MAXULONG
2022# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
2023# else
2024# define PERL_ULONG_MAX (~(unsigned long)0)
2025# endif
2026#endif
2027
2028#define PERL_ULONG_MIN ((unsigned long)0L)
2029
2030#ifdef LONG_MAX
2031# define PERL_LONG_MAX ((long)LONG_MAX)
2032#else
2033# ifdef MAXLONG /* Often used in <values.h> */
2034# define PERL_LONG_MAX ((long)MAXLONG)
2035# else
2036# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
2037# endif
2038#endif
2039
2040#ifdef LONG_MIN
2041# define PERL_LONG_MIN ((long)LONG_MIN)
2042#else
2043# ifdef MINLONG
2044# define PERL_LONG_MIN ((long)MINLONG)
2045# else
2046# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
2047# endif
2048#endif
2049
2050#ifdef UV_IS_QUAD
2051
2052# define PERL_UQUAD_MAX (~(UV)0)
2053# define PERL_UQUAD_MIN ((UV)0)
2054# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
2055# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
2056
2057#endif
2058
2059#ifdef MYMALLOC
2060# include "malloc_ctl.h"
2061#endif
2062
2063struct RExC_state_t;
2064
2065typedef MEM_SIZE STRLEN;
2066
2067typedef struct op OP;
2068typedef struct cop COP;
2069typedef struct unop UNOP;
2070typedef struct binop BINOP;
2071typedef struct listop LISTOP;
2072typedef struct logop LOGOP;
2073typedef struct pmop PMOP;
2074typedef struct svop SVOP;
2075typedef struct padop PADOP;
2076typedef struct pvop PVOP;
2077typedef struct loop LOOP;
2078
2079typedef struct interpreter PerlInterpreter;
2080
2081/* Amdahl's <ksync.h> has struct sv */
2082/* SGI's <sys/sema.h> has struct sv */
2083#if defined(UTS) || defined(__sgi)
2084# define STRUCT_SV perl_sv
2085#else
2086# define STRUCT_SV sv
2087#endif
2088typedef struct STRUCT_SV SV;
2089typedef struct av AV;
2090typedef struct hv HV;
2091typedef struct cv CV;
2092typedef struct regexp REGEXP;
2093typedef struct gp GP;
2094typedef struct gv GV;
2095typedef struct io IO;
2096typedef struct context PERL_CONTEXT;
2097typedef struct block BLOCK;
2098
2099typedef struct magic MAGIC;
2100typedef struct xrv XRV;
2101typedef struct xpv XPV;
2102typedef struct xpviv XPVIV;
2103typedef struct xpvuv XPVUV;
2104typedef struct xpvnv XPVNV;
2105typedef struct xpvmg XPVMG;
2106typedef struct xpvlv XPVLV;
2107typedef struct xpvav XPVAV;
2108typedef struct xpvhv XPVHV;
2109typedef struct xpvgv XPVGV;
2110typedef struct xpvcv XPVCV;
2111typedef struct xpvbm XPVBM;
2112typedef struct xpvfm XPVFM;
2113typedef struct xpvio XPVIO;
2114typedef struct mgvtbl MGVTBL;
2115typedef union any ANY;
2116typedef struct ptr_tbl_ent PTR_TBL_ENT_t;
2117typedef struct ptr_tbl PTR_TBL_t;
2118typedef struct clone_params CLONE_PARAMS;
2119
2120#include "handy.h"
2121
2122#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_RAWIO)
2123# if LSEEKSIZE == 8 && !defined(USE_64_BIT_RAWIO)
2124# define USE_64_BIT_RAWIO /* implicit */
2125# endif
2126#endif
2127
2128/* Notice the use of HAS_FSEEKO: now we are obligated to always use
2129 * fseeko/ftello if possible. Don't go #defining ftell to ftello yourself,
2130 * however, because operating systems like to do that themself. */
2131#ifndef FSEEKSIZE
2132# ifdef HAS_FSEEKO
2133# define FSEEKSIZE LSEEKSIZE
2134# else
2135# define FSEEKSIZE LONGSIZE
2136# endif
2137#endif
2138
2139#if defined(USE_LARGE_FILES) && !defined(NO_64_BIT_STDIO)
2140# if FSEEKSIZE == 8 && !defined(USE_64_BIT_STDIO)
2141# define USE_64_BIT_STDIO /* implicit */
2142# endif
2143#endif
2144
2145#ifdef USE_64_BIT_RAWIO
2146# ifdef HAS_OFF64_T
2147# undef Off_t
2148# define Off_t off64_t
2149# undef LSEEKSIZE
2150# define LSEEKSIZE 8
2151# endif
2152/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2153 * will trigger defines like the ones below. Some 64-bit environments,
2154 * however, do not. Therefore we have to explicitly mix and match. */
2155# if defined(USE_OPEN64)
2156# define open open64
2157# endif
2158# if defined(USE_LSEEK64)
2159# define lseek lseek64
2160# else
2161# if defined(USE_LLSEEK)
2162# define lseek llseek
2163# endif
2164# endif
2165# if defined(USE_STAT64)
2166# define stat stat64
2167# endif
2168# if defined(USE_FSTAT64)
2169# define fstat fstat64
2170# endif
2171# if defined(USE_LSTAT64)
2172# define lstat lstat64
2173# endif
2174# if defined(USE_FLOCK64)
2175# define flock flock64
2176# endif
2177# if defined(USE_LOCKF64)
2178# define lockf lockf64
2179# endif
2180# if defined(USE_FCNTL64)
2181# define fcntl fcntl64
2182# endif
2183# if defined(USE_TRUNCATE64)
2184# define truncate truncate64
2185# endif
2186# if defined(USE_FTRUNCATE64)
2187# define ftruncate ftruncate64
2188# endif
2189#endif
2190
2191#ifdef USE_64_BIT_STDIO
2192# ifdef HAS_FPOS64_T
2193# undef Fpos_t
2194# define Fpos_t fpos64_t
2195# endif
2196/* Most 64-bit environments have defines like _LARGEFILE_SOURCE that
2197 * will trigger defines like the ones below. Some 64-bit environments,
2198 * however, do not. */
2199# if defined(USE_FOPEN64)
2200# define fopen fopen64
2201# endif
2202# if defined(USE_FSEEK64)
2203# define fseek fseek64 /* don't do fseeko here, see perlio.c */
2204# endif
2205# if defined(USE_FTELL64)
2206# define ftell ftell64 /* don't do ftello here, see perlio.c */
2207# endif
2208# if defined(USE_FSETPOS64)
2209# define fsetpos fsetpos64
2210# endif
2211# if defined(USE_FGETPOS64)
2212# define fgetpos fgetpos64
2213# endif
2214# if defined(USE_TMPFILE64)
2215# define tmpfile tmpfile64
2216# endif
2217# if defined(USE_FREOPEN64)
2218# define freopen freopen64
2219# endif
2220#endif
2221
2222#if defined(OS2) || defined(MACOS_TRADITIONAL)
2223# include "iperlsys.h"
2224#endif
2225
2226#if defined(__OPEN_VM)
2227# include "vmesa/vmesaish.h"
2228# define ISHISH "vmesa"
2229#endif
2230
2231#ifdef DOSISH
2232# if defined(OS2)
2233# include "os2ish.h"
2234# else
2235# include "dosish.h"
2236# endif
2237# define ISHISH "dos"
2238#endif
2239
2240#if defined(VMS)
2241# include "vmsish.h"
2242# include "embed.h"
2243# define ISHISH "vms"
2244#endif
2245
2246#if defined(PLAN9)
2247# include "./plan9/plan9ish.h"
2248# define ISHISH "plan9"
2249#endif
2250
2251#if defined(MPE)
2252# include "mpeix/mpeixish.h"
2253# define ISHISH "mpeix"
2254#endif
2255
2256#if defined(__VOS__)
2257# ifdef __GNUC__
2258# include "./vos/vosish.h"
2259# else
2260# include "vos/vosish.h"
2261# endif
2262# define ISHISH "vos"
2263#endif
2264
2265#if defined(EPOC)
2266# include "epocish.h"
2267# define ISHISH "epoc"
2268#endif
2269
2270#if defined(MACOS_TRADITIONAL)
2271# include "macos/macish.h"
2272# ifndef NO_ENVIRON_ARRAY
2273# define NO_ENVIRON_ARRAY
2274# endif
2275# define ISHISH "macos classic"
2276#endif
2277
2278#if defined(__BEOS__)
2279# include "beos/beosish.h"
2280# define ISHISH "beos"
2281#endif
2282
2283#ifndef ISHISH
2284# include "unixish.h"
2285# define ISHISH "unix"
2286#endif
2287
2288#ifndef NO_ENVIRON_ARRAY
2289# define USE_ENVIRON_ARRAY
2290#endif
2291
2292/*
2293 * initialise to avoid floating-point exceptions from overflow, etc
2294 */
2295#ifndef PERL_FPU_INIT
2296# ifdef HAS_FPSETMASK
2297# if HAS_FLOATINGPOINT_H
2298# include <floatingpoint.h>
2299# endif
2300# define PERL_FPU_INIT fpsetmask(0);
2301# else
2302# if defined(SIGFPE) && defined(SIG_IGN) && !defined(PERL_MICRO)
2303# define PERL_FPU_INIT PL_sigfpe_saved = signal(SIGFPE, SIG_IGN);
2304# define PERL_FPU_PRE_EXEC { Sigsave_t xfpe; rsignal_save(SIGFPE, PL_sigfpe_saved, &xfpe);
2305# define PERL_FPU_POST_EXEC rsignal_restore(SIGFPE, &xfpe); }
2306# else
2307# define PERL_FPU_INIT
2308
2309# endif
2310# endif
2311#endif
2312#ifndef PERL_FPU_PRE_EXEC
2313# define PERL_FPU_PRE_EXEC {
2314# define PERL_FPU_POST_EXEC }
2315#endif
2316
2317#ifndef PERL_SYS_INIT3
2318# define PERL_SYS_INIT3(argvp,argcp,envp) PERL_SYS_INIT(argvp,argcp)
2319#endif
2320
2321#ifndef PERL_WRITE_MSG_TO_CONSOLE
2322# define PERL_WRITE_MSG_TO_CONSOLE(io, msg, len) PerlIO_write(io, msg, len)
2323#endif
2324
2325#ifndef MAXPATHLEN
2326# ifdef PATH_MAX
2327# ifdef _POSIX_PATH_MAX
2328# if PATH_MAX > _POSIX_PATH_MAX
2329/* POSIX 1990 (and pre) was ambiguous about whether PATH_MAX
2330 * included the null byte or not. Later amendments of POSIX,
2331 * XPG4, the Austin Group, and the Single UNIX Specification
2332 * all explicitly include the null byte in the PATH_MAX.
2333 * Ditto for _POSIX_PATH_MAX. */
2334# define MAXPATHLEN PATH_MAX
2335# else
2336# define MAXPATHLEN _POSIX_PATH_MAX
2337# endif
2338# else
2339# define MAXPATHLEN (PATH_MAX+1)
2340# endif
2341# else
2342# ifdef _POSIX_PATH_MAX
2343# define MAXPATHLEN _POSIX_PATH_MAX
2344# else
2345# define MAXPATHLEN 1024 /* Err on the large side. */
2346# endif
2347# endif
2348#endif
2349
2350/* In case Configure was not used (we are using a "canned config"
2351 * such as Win32, or a cross-compilation setup, for example) try going
2352 * by the gcc major and minor versions. One useful URL is
2353 * http://www.ohse.de/uwe/articles/gcc-attributes.html,
2354 * but contrary to this information warn_unused_result seems
2355 * not to be in gcc 3.3.5, at least. --jhi
2356 * Set these up now otherwise we get confused when some of the <*thread.h>
2357 * includes below indirectly pull in <perlio.h> (which needs to know if we
2358 * have HASATTRIBUTE_FORMAT).
2359 */
2360
2361#if defined __GNUC__
2362# if __GNUC__ >= 3 /* 3.0 -> */ /* XXX Verify this version */
2363# define HASATTRIBUTE_FORMAT
2364# endif
2365# if __GNUC__ >= 3 /* 3.0 -> */
2366# define HASATTRIBUTE_MALLOC
2367# endif
2368# if __GNUC__ == 3 && __GNUC_MINOR__ >= 3 || __GNUC__ > 3 /* 3.3 -> */
2369# define HASATTRIBUTE_NONNULL
2370# endif
2371# if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 || __GNUC__ > 2 /* 2.5 -> */
2372# define HASATTRIBUTE_NORETURN
2373# endif
2374# if __GNUC__ >= 3 /* gcc 3.0 -> */
2375# define HASATTRIBUTE_PURE
2376# endif
2377# if __GNUC__ >= 3 /* gcc 3.0 -> */ /* XXX Verify this version */
2378# define HASATTRIBUTE_UNUSED
2379# endif
2380# if __GNUC__ == 3 && __GNUC_MINOR__ >= 4 || __GNUC__ > 3 /* 3.4 -> */
2381# define HASATTRIBUTE_WARN_UNUSED_RESULT
2382# endif
2383#endif
2384
2385/*
2386 * USE_5005THREADS needs to be after unixish.h as <pthread.h> includes
2387 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
2388 * this results in many functions being undeclared which bothers C++
2389 * May make sense to have threads after "*ish.h" anyway
2390 */
2391
2392#if defined(USE_5005THREADS) || defined(USE_ITHREADS)
2393# if defined(USE_5005THREADS)
2394 /* pending resolution of licensing issues, we avoid the erstwhile
2395 * atomic.h everywhere */
2396# define EMULATE_ATOMIC_REFCOUNTS
2397# endif
2398# ifdef NETWARE
2399# include <nw5thread.h>
2400# else
2401# ifdef FAKE_THREADS
2402# include "fakethr.h"
2403# else
2404# ifdef WIN32
2405# include <win32thread.h>
2406# else
2407# ifdef OS2
2408# include "os2thread.h"
2409# else
2410# ifdef I_MACH_CTHREADS
2411# include <mach/cthreads.h>
2412# if (defined(NeXT) || defined(__NeXT__)) && defined(PERL_POLLUTE_MALLOC)
2413# define MUTEX_INIT_CALLS_MALLOC
2414# endif
2415typedef cthread_t perl_os_thread;
2416typedef mutex_t perl_mutex;
2417typedef condition_t perl_cond;
2418typedef void * perl_key;
2419# else /* Posix threads */
2420# ifdef I_PTHREAD
2421# include <pthread.h>
2422# endif
2423typedef pthread_t perl_os_thread;
2424typedef pthread_mutex_t perl_mutex;
2425typedef pthread_cond_t perl_cond;
2426typedef pthread_key_t perl_key;
2427# endif /* I_MACH_CTHREADS */
2428# endif /* OS2 */
2429# endif /* WIN32 */
2430# endif /* FAKE_THREADS */
2431#endif /* NETWARE */
2432#endif /* USE_5005THREADS || USE_ITHREADS */
2433
2434#if defined(WIN32)
2435# include "win32.h"
2436#endif
2437
2438#ifdef NETWARE
2439# include "netware.h"
2440#endif
2441
2442#ifdef VMS
2443# define STATUS_NATIVE PL_statusvalue_vms
2444# define STATUS_NATIVE_EXPORT \
2445 (((I32)PL_statusvalue_vms == -1 ? 44 : PL_statusvalue_vms) | (VMSISH_HUSHED ? 0x10000000 : 0))
2446# define STATUS_NATIVE_SET(n) \
2447 STMT_START { \
2448 PL_statusvalue_vms = (n); \
2449 if ((I32)PL_statusvalue_vms == -1) \
2450 PL_statusvalue = -1; \
2451 else if (PL_statusvalue_vms & STS$M_SUCCESS) \
2452 PL_statusvalue = 0; \
2453 else if ((PL_statusvalue_vms & STS$M_SEVERITY) == 0) \
2454 PL_statusvalue = 1 << 8; \
2455 else \
2456 PL_statusvalue = (PL_statusvalue_vms & STS$M_SEVERITY) << 8; \
2457 } STMT_END
2458# define STATUS_POSIX PL_statusvalue
2459# ifdef VMSISH_STATUS
2460# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
2461# else
2462# define STATUS_CURRENT STATUS_POSIX
2463# endif
2464# define STATUS_POSIX_SET(n) \
2465 STMT_START { \
2466 PL_statusvalue = (n); \
2467 if (PL_statusvalue != -1) { \
2468 PL_statusvalue &= 0xFFFF; \
2469 PL_statusvalue_vms = PL_statusvalue ? 44 : 1; \
2470 } \
2471 else PL_statusvalue_vms = -1; \
2472 } STMT_END
2473# define STATUS_ALL_SUCCESS (PL_statusvalue = 0, PL_statusvalue_vms = 1)
2474# define STATUS_ALL_FAILURE (PL_statusvalue = 1, PL_statusvalue_vms = 44)
2475#else
2476# define STATUS_NATIVE STATUS_POSIX
2477# define STATUS_NATIVE_EXPORT STATUS_POSIX
2478# define STATUS_NATIVE_SET STATUS_POSIX_SET
2479# define STATUS_POSIX PL_statusvalue
2480# define STATUS_POSIX_SET(n) \
2481 STMT_START { \
2482 PL_statusvalue = (n); \
2483 if (PL_statusvalue != -1) \
2484 PL_statusvalue &= 0xFFFF; \
2485 } STMT_END
2486# define STATUS_CURRENT STATUS_POSIX
2487# define STATUS_ALL_SUCCESS (PL_statusvalue = 0)
2488# define STATUS_ALL_FAILURE (PL_statusvalue = 1)
2489#endif
2490
2491/* flags in PL_exit_flags for nature of exit() */
2492#define PERL_EXIT_EXPECTED 0x01
2493#define PERL_EXIT_DESTRUCT_END 0x02 /* Run END in perl_destruct */
2494
2495#ifndef MEMBER_TO_FPTR
2496# define MEMBER_TO_FPTR(name) name
2497#endif
2498
2499/* format to use for version numbers in file/directory names */
2500/* XXX move to Configure? */
2501#ifndef PERL_FS_VER_FMT
2502# define PERL_FS_VER_FMT "%d.%d.%d"
2503#endif
2504
2505/* This defines a way to flush all output buffers. This may be a
2506 * performance issue, so we allow people to disable it. Also, if
2507 * we are using stdio, there are broken implementations of fflush(NULL)
2508 * out there, Solaris being the most prominent.
2509 */
2510#ifndef PERL_FLUSHALL_FOR_CHILD
2511# if defined(USE_PERLIO) || defined(FFLUSH_NULL) || defined(USE_SFIO)
2512# define PERL_FLUSHALL_FOR_CHILD PerlIO_flush((PerlIO*)NULL)
2513# else
2514# ifdef FFLUSH_ALL
2515# define PERL_FLUSHALL_FOR_CHILD my_fflush_all()
2516# else
2517# define PERL_FLUSHALL_FOR_CHILD NOOP
2518# endif
2519# endif
2520#endif
2521
2522#ifndef PERL_WAIT_FOR_CHILDREN
2523# define PERL_WAIT_FOR_CHILDREN NOOP
2524#endif
2525
2526/* the traditional thread-unsafe notion of "current interpreter". */
2527#ifndef PERL_SET_INTERP
2528# define PERL_SET_INTERP(i) (PL_curinterp = (PerlInterpreter*)(i))
2529#endif
2530
2531#ifndef PERL_GET_INTERP
2532# define PERL_GET_INTERP (PL_curinterp)
2533#endif
2534
2535#if defined(PERL_IMPLICIT_CONTEXT) && !defined(PERL_GET_THX)
2536# ifdef USE_5005THREADS
2537# define PERL_GET_THX ((struct perl_thread *)PERL_GET_CONTEXT)
2538# else
2539# ifdef MULTIPLICITY
2540# define PERL_GET_THX ((PerlInterpreter *)PERL_GET_CONTEXT)
2541# endif
2542# endif
2543# define PERL_SET_THX(t) PERL_SET_CONTEXT(t)
2544#endif
2545
2546#ifndef SVf
2547# ifdef CHECK_FORMAT
2548# define SVf "-p"
2549# else
2550# define SVf "_"
2551# endif
2552#endif
2553
2554#ifndef SVf_precision
2555# ifdef CHECK_FORMAT
2556# define SVf_precision(n) "-" n "p"
2557# else
2558# define SVf_precision(n) "." n "_"
2559# endif
2560#endif
2561
2562#ifndef VDf
2563# ifdef CHECK_FORMAT
2564# define VDf "-1p"
2565# else
2566# define VDf "vd"
2567# endif
2568#endif
2569
2570#ifndef SVf32
2571# define SVf32 SVf_precision("32")
2572#endif
2573
2574#ifndef SVf256
2575# define SVf256 SVf_precision("256")
2576#endif
2577
2578#ifndef UVf
2579# define UVf UVuf
2580#endif
2581
2582#ifndef PERL_CORE
2583# ifndef DieNull
2584# define DieNull Perl_vdie(aTHX_ Nullch, Null(va_list *))
2585# endif
2586#endif
2587
2588/* Because 5.8.x has to keep using %_ for SVf, which will make the format
2589 * checking code (quite correctly) bleat a lot. */
2590#ifndef CHECK_FORMAT
2591# undef HASATTRIBUTE_FORMAT
2592#endif
2593
2594#ifdef HASATTRIBUTE_FORMAT
2595# define __attribute__format__(x,y,z) __attribute__((format(x,y,z)))
2596#endif
2597#ifdef HASATTRIBUTE_MALLOC
2598# define __attribute__malloc__ __attribute__((__malloc__))
2599#endif
2600#ifdef HASATTRIBUTE_NONNULL
2601# define __attribute__nonnull__(a) __attribute__((nonnull(a)))
2602#endif
2603#ifdef HASATTRIBUTE_NORETURN
2604# define __attribute__noreturn__ __attribute__((noreturn))
2605#endif
2606#ifdef HASATTRIBUTE_PURE
2607# define __attribute__pure__ __attribute__((pure))
2608#endif
2609#ifdef HASATTRIBUTE_UNUSED
2610# define __attribute__unused__ __attribute__((unused))
2611#endif
2612#ifdef HASATTRIBUTE_WARN_UNUSED_RESULT
2613# define __attribute__warn_unused_result__ __attribute__((warn_unused_result))
2614#endif
2615
2616/* If we haven't defined the attributes yet, define them to blank. */
2617#ifndef __attribute__format__
2618# define __attribute__format__(x,y,z)
2619#endif
2620#ifndef __attribute__malloc__
2621# define __attribute__malloc__
2622#endif
2623#ifndef __attribute__nonnull__
2624# define __attribute__nonnull__(a)
2625#endif
2626#ifndef __attribute__noreturn__
2627# define __attribute__noreturn__
2628#endif
2629#ifndef __attribute__pure__
2630# define __attribute__pure__
2631#endif
2632#ifndef __attribute__unused__
2633# define __attribute__unused__
2634#endif
2635#ifndef __attribute__warn_unused_result__
2636# define __attribute__warn_unused_result__
2637#endif
2638
2639/* For functions that are marked as __attribute__noreturn__, it's not
2640 appropriate to call return. In either case, include the lint directive.
2641 */
2642#ifdef HASATTRIBUTE_NORETURN
2643# define NORETURN_FUNCTION_END /* NOT REACHED */
2644#else
2645# define NORETURN_FUNCTION_END /* NOT REACHED */ return 0
2646#endif
2647
2648/* Some unistd.h's give a prototype for pause() even though
2649 HAS_PAUSE ends up undefined. This causes the #define
2650 below to be rejected by the compiler. Sigh.
2651*/
2652#ifdef HAS_PAUSE
2653#define Pause pause
2654#else
2655#define Pause() sleep((32767<<16)+32767)
2656#endif
2657
2658#ifndef IOCPARM_LEN
2659# ifdef IOCPARM_MASK
2660 /* on BSDish systems we're safe */
2661# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
2662# else
2663# if defined(_IOC_SIZE) && defined(__GLIBC__)
2664 /* on Linux systems we're safe; except when we're not [perl #38223] */
2665# define IOCPARM_LEN(x) (_IOC_SIZE(x) < 256 ? 256 : _IOC_SIZE(x))
2666# else
2667 /* otherwise guess at what's safe */
2668# define IOCPARM_LEN(x) 256
2669# endif
2670# endif
2671#endif
2672
2673#if defined(__CYGWIN__)
2674/* USEMYBINMODE
2675 * This symbol, if defined, indicates that the program should
2676 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
2677 * that a file is in "binary" mode -- that is, that no translation
2678 * of bytes occurs on read or write operations.
2679 */
2680# define USEMYBINMODE /**/
2681# include <io.h> /* for setmode() prototype */
2682# define my_binmode(fp, iotype, mode) \
2683 (PerlLIO_setmode(fileno(fp), mode) != -1 ? TRUE : FALSE)
2684#endif
2685
2686#ifdef __CYGWIN__
2687void init_os_extras(void);
2688#endif
2689
2690#ifdef UNION_ANY_DEFINITION
2691UNION_ANY_DEFINITION;
2692#else
2693union any {
2694 void* any_ptr;
2695 I32 any_i32;
2696 IV any_iv;
2697 long any_long;
2698 bool any_bool;
2699 void (*any_dptr) (void*);
2700 void (*any_dxptr) (pTHX_ void*);
2701};
2702#endif
2703
2704#ifdef USE_5005THREADS
2705#define ARGSproto struct perl_thread *thr
2706#else
2707#define ARGSproto
2708#endif /* USE_5005THREADS */
2709
2710typedef I32 (*filter_t) (pTHX_ int, SV *, int);
2711
2712#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
2713#define FILTER_DATA(idx) (AvARRAY(PL_rsfp_filters)[idx])
2714#define FILTER_ISREADER(idx) (idx >= AvFILLp(PL_rsfp_filters))
2715
2716#if defined(_AIX) && !defined(_AIX43)
2717#if defined(USE_REENTRANT) || defined(_REENTRANT) || defined(_THREAD_SAFE)
2718/* We cannot include <crypt.h> to get the struct crypt_data
2719 * because of setkey prototype problems when threading */
2720typedef struct crypt_data { /* straight from /usr/include/crypt.h */
2721 /* From OSF, Not needed in AIX
2722 char C[28], D[28];
2723 */
2724 char E[48];
2725 char KS[16][48];
2726 char block[66];
2727 char iobuf[16];
2728} CRYPTD;
2729#endif /* threading */
2730#endif /* AIX */
2731
2732#if !defined(OS2) && !defined(MACOS_TRADITIONAL)
2733# include "iperlsys.h"
2734#endif
2735
2736/* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0.
2737 * Note that the USE_HASH_SEED and USE_HASH_SEED_EXPLICIT are *NOT*
2738 * defined by Configure, despite their names being similar to the
2739 * other defines like USE_ITHREADS. Configure in fact knows nothing
2740 * about the randomised hashes. Therefore to enable/disable the hash
2741 * randomisation defines use the Configure -Accflags=... instead. */
2742#if !defined(NO_HASH_SEED) && !defined(USE_HASH_SEED) && !defined(USE_HASH_SEED_EXPLICIT)
2743# define USE_HASH_SEED
2744#endif
2745
2746#include "regexp.h"
2747#include "sv.h"
2748#include "util.h"
2749#include "form.h"
2750#include "gv.h"
2751#include "pad.h"
2752#include "cv.h"
2753#include "opnames.h"
2754#include "op.h"
2755#include "cop.h"
2756#include "av.h"
2757#include "hv.h"
2758#include "mg.h"
2759#include "scope.h"
2760#include "warnings.h"
2761#include "utf8.h"
2762
2763/* Current curly descriptor */
2764typedef struct curcur CURCUR;
2765struct curcur {
2766 int parenfloor; /* how far back to strip paren data */
2767 int cur; /* how many instances of scan we've matched */
2768 int min; /* the minimal number of scans to match */
2769 int max; /* the maximal number of scans to match */
2770 int minmod; /* whether to work our way up or down */
2771 regnode * scan; /* the thing to match */
2772 regnode * next; /* what has to match after it */
2773 char * lastloc; /* where we started matching this scan */
2774 CURCUR * oldcc; /* current curly before we started this one */
2775};
2776
2777typedef struct _sublex_info SUBLEXINFO;
2778struct _sublex_info {
2779 I32 super_state; /* lexer state to save */
2780 I32 sub_inwhat; /* "lex_inwhat" to use */
2781 OP *sub_op; /* "lex_op" to use */
2782 char *super_bufptr; /* PL_bufptr that was */
2783 char *super_bufend; /* PL_bufend that was */
2784};
2785
2786typedef struct magic_state MGS; /* struct magic_state defined in mg.c */
2787
2788struct scan_data_t; /* Used in S_* functions in regcomp.c */
2789struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */
2790
2791typedef I32 CHECKPOINT;
2792
2793struct ptr_tbl_ent {
2794 struct ptr_tbl_ent* next;
2795 const void* oldval;
2796 void* newval;
2797};
2798
2799struct ptr_tbl {
2800 struct ptr_tbl_ent** tbl_ary;
2801 UV tbl_max;
2802 UV tbl_items;
2803};
2804
2805#if defined(iAPX286) || defined(M_I286) || defined(I80286)
2806# define I286
2807#endif
2808
2809#if defined(htonl) && !defined(HAS_HTONL)
2810#define HAS_HTONL
2811#endif
2812#if defined(htons) && !defined(HAS_HTONS)
2813#define HAS_HTONS
2814#endif
2815#if defined(ntohl) && !defined(HAS_NTOHL)
2816#define HAS_NTOHL
2817#endif
2818#if defined(ntohs) && !defined(HAS_NTOHS)
2819#define HAS_NTOHS
2820#endif
2821#ifndef HAS_HTONL
2822#if (BYTEORDER & 0xffff) != 0x4321
2823#define HAS_HTONS
2824#define HAS_HTONL
2825#define HAS_NTOHS
2826#define HAS_NTOHL
2827#define MYSWAP
2828#define htons my_swap
2829#define htonl my_htonl
2830#define ntohs my_swap
2831#define ntohl my_ntohl
2832#endif
2833#else
2834#if (BYTEORDER & 0xffff) == 0x4321
2835#undef HAS_HTONS
2836#undef HAS_HTONL
2837#undef HAS_NTOHS
2838#undef HAS_NTOHL
2839#endif
2840#endif
2841
2842/*
2843 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
2844 * -DWS
2845 */
2846#if BYTEORDER != 0x1234
2847# define HAS_VTOHL
2848# define HAS_VTOHS
2849# define HAS_HTOVL
2850# define HAS_HTOVS
2851# if BYTEORDER == 0x4321 || BYTEORDER == 0x87654321
2852# define vtohl(x) ((((x)&0xFF)<<24) \
2853 +(((x)>>24)&0xFF) \
2854 +(((x)&0x0000FF00)<<8) \
2855 +(((x)&0x00FF0000)>>8) )
2856# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
2857# define htovl(x) vtohl(x)
2858# define htovs(x) vtohs(x)
2859# endif
2860 /* otherwise default to functions in util.c */
2861#ifndef htovs
2862short htovs(short n);
2863short vtohs(short n);
2864long htovl(long n);
2865long vtohl(long n);
2866#endif
2867#endif
2868
2869/* *MAX Plus 1. A floating point value.
2870 Hopefully expressed in a way that dodgy floating point can't mess up.
2871 >> 2 rather than 1, so that value is safely less than I32_MAX after 1
2872 is added to it
2873 May find that some broken compiler will want the value cast to I32.
2874 [after the shift, as signed >> may not be as secure as unsigned >>]
2875*/
2876#define I32_MAX_P1 (2.0 * (1 + (((U32)I32_MAX) >> 1)))
2877#define U32_MAX_P1 (4.0 * (1 + ((U32_MAX) >> 2)))
2878/* For compilers that can't correctly cast NVs over 0x7FFFFFFF (or
2879 0x7FFFFFFFFFFFFFFF) to an unsigned integer. In the future, sizeof(UV)
2880 may be greater than sizeof(IV), so don't assume that half max UV is max IV.
2881*/
2882#define U32_MAX_P1_HALF (2.0 * (1 + ((U32_MAX) >> 2)))
2883
2884#define UV_MAX_P1 (4.0 * (1 + ((UV_MAX) >> 2)))
2885#define IV_MAX_P1 (2.0 * (1 + (((UV)IV_MAX) >> 1)))
2886#define UV_MAX_P1_HALF (2.0 * (1 + ((UV_MAX) >> 2)))
2887
2888/* This may look like unnecessary jumping through hoops, but converting
2889 out of range floating point values to integers *is* undefined behaviour,
2890 and it is starting to bite.
2891*/
2892#ifndef CAST_INLINE
2893#define I_32(what) (cast_i32((NV)(what)))
2894#define U_32(what) (cast_ulong((NV)(what)))
2895#define I_V(what) (cast_iv((NV)(what)))
2896#define U_V(what) (cast_uv((NV)(what)))
2897#else
2898#define I_32(n) ((n) < I32_MAX_P1 ? ((n) < I32_MIN ? I32_MIN : (I32) (n)) \
2899 : ((n) < U32_MAX_P1 ? (I32)(U32) (n) \
2900 : ((n) > 0 ? (I32) U32_MAX : 0 /* NaN */)))
2901#define U_32(n) ((n) < 0.0 ? ((n) < I32_MIN ? (UV) I32_MIN : (U32)(I32) (n)) \
2902 : ((n) < U32_MAX_P1 ? (U32) (n) \
2903 : ((n) > 0 ? U32_MAX : 0 /* NaN */)))
2904#define I_V(n) ((n) < IV_MAX_P1 ? ((n) < IV_MIN ? IV_MIN : (IV) (n)) \
2905 : ((n) < UV_MAX_P1 ? (IV)(UV) (n) \
2906 : ((n) > 0 ? (IV)UV_MAX : 0 /* NaN */)))
2907#define U_V(n) ((n) < 0.0 ? ((n) < IV_MIN ? (UV) IV_MIN : (UV)(IV) (n)) \
2908 : ((n) < UV_MAX_P1 ? (UV) (n) \
2909 : ((n) > 0 ? UV_MAX : 0 /* NaN */)))
2910#endif
2911
2912#define U_S(what) ((U16)U_32(what))
2913#define U_I(what) ((unsigned int)U_32(what))
2914#define U_L(what) U_32(what)
2915
2916/* These do not care about the fractional part, only about the range. */
2917#define NV_WITHIN_IV(nv) (I_V(nv) >= IV_MIN && I_V(nv) <= IV_MAX)
2918#define NV_WITHIN_UV(nv) ((nv)>=0.0 && U_V(nv) >= UV_MIN && U_V(nv) <= UV_MAX)
2919
2920/* Used with UV/IV arguments: */
2921 /* XXXX: need to speed it up */
2922#define CLUMP_2UV(iv) ((iv) < 0 ? 0 : (UV)(iv))
2923#define CLUMP_2IV(uv) ((uv) > (UV)IV_MAX ? IV_MAX : (IV)(uv))
2924
2925#ifndef MAXSYSFD
2926# define MAXSYSFD 2
2927#endif
2928
2929#ifndef __cplusplus
2930#ifndef UNDER_CE
2931Uid_t getuid (void);
2932Uid_t geteuid (void);
2933Gid_t getgid (void);
2934Gid_t getegid (void);
2935#endif
2936#endif
2937
2938#ifndef Perl_debug_log
2939# define Perl_debug_log PerlIO_stderr()
2940#endif
2941
2942#ifndef Perl_error_log
2943# define Perl_error_log (PL_stderrgv \
2944 && isGV(PL_stderrgv) \
2945 && GvIOp(PL_stderrgv) \
2946 && IoOFP(GvIOp(PL_stderrgv)) \
2947 ? IoOFP(GvIOp(PL_stderrgv)) \
2948 : PerlIO_stderr())
2949#endif
2950
2951
2952#define DEBUG_p_FLAG 0x00000001 /* 1 */
2953#define DEBUG_s_FLAG 0x00000002 /* 2 */
2954#define DEBUG_l_FLAG 0x00000004 /* 4 */
2955#define DEBUG_t_FLAG 0x00000008 /* 8 */
2956#define DEBUG_o_FLAG 0x00000010 /* 16 */
2957#define DEBUG_c_FLAG 0x00000020 /* 32 */
2958#define DEBUG_P_FLAG 0x00000040 /* 64 */
2959#define DEBUG_m_FLAG 0x00000080 /* 128 */
2960#define DEBUG_f_FLAG 0x00000100 /* 256 */
2961#define DEBUG_r_FLAG 0x00000200 /* 512 */
2962#define DEBUG_x_FLAG 0x00000400 /* 1024 */
2963#define DEBUG_u_FLAG 0x00000800 /* 2048 */
2964#define DEBUG_H_FLAG 0x00002000 /* 8192 */
2965#define DEBUG_X_FLAG 0x00004000 /* 16384 */
2966#define DEBUG_D_FLAG 0x00008000 /* 32768 */
2967#define DEBUG_S_FLAG 0x00010000 /* 65536 */
2968#define DEBUG_T_FLAG 0x00020000 /* 131072 */
2969#define DEBUG_R_FLAG 0x00040000 /* 262144 */
2970#define DEBUG_J_FLAG 0x00080000 /* 524288 */
2971#define DEBUG_v_FLAG 0x00100000 /*1048576 */
2972#define DEBUG_MASK 0x001FEFFF /* mask of all the standard flags */
2973
2974#define DEBUG_DB_RECURSE_FLAG 0x40000000
2975#define DEBUG_TOP_FLAG 0x80000000 /* XXX what's this for ??? Signal
2976 that something was done? */
2977
2978# define DEBUG_p_TEST_ (PL_debug & DEBUG_p_FLAG)
2979# define DEBUG_s_TEST_ (PL_debug & DEBUG_s_FLAG)
2980# define DEBUG_l_TEST_ (PL_debug & DEBUG_l_FLAG)
2981# define DEBUG_t_TEST_ (PL_debug & DEBUG_t_FLAG)
2982# define DEBUG_o_TEST_ (PL_debug & DEBUG_o_FLAG)
2983# define DEBUG_c_TEST_ (PL_debug & DEBUG_c_FLAG)
2984# define DEBUG_P_TEST_ (PL_debug & DEBUG_P_FLAG)
2985# define DEBUG_m_TEST_ (PL_debug & DEBUG_m_FLAG)
2986# define DEBUG_f_TEST_ (PL_debug & DEBUG_f_FLAG)
2987# define DEBUG_r_TEST_ (PL_debug & DEBUG_r_FLAG)
2988# define DEBUG_x_TEST_ (PL_debug & DEBUG_x_FLAG)
2989# define DEBUG_u_TEST_ (PL_debug & DEBUG_u_FLAG)
2990# define DEBUG_H_TEST_ (PL_debug & DEBUG_H_FLAG)
2991# define DEBUG_X_TEST_ (PL_debug & DEBUG_X_FLAG)
2992# define DEBUG_D_TEST_ (PL_debug & DEBUG_D_FLAG)
2993# define DEBUG_S_TEST_ (PL_debug & DEBUG_S_FLAG)
2994# define DEBUG_T_TEST_ (PL_debug & DEBUG_T_FLAG)
2995# define DEBUG_R_TEST_ (PL_debug & DEBUG_R_FLAG)
2996# define DEBUG_J_TEST_ (PL_debug & DEBUG_J_FLAG)
2997# define DEBUG_v_TEST_ (PL_debug & DEBUG_v_FLAG)
2998# define DEBUG_Xv_TEST_ (DEBUG_X_TEST_ && DEBUG_v_TEST_)
2999
3000
3001#ifdef DEBUGGING
3002
3003# undef YYDEBUG
3004# define YYDEBUG 1
3005
3006# define DEBUG_p_TEST DEBUG_p_TEST_
3007# define DEBUG_s_TEST DEBUG_s_TEST_
3008# define DEBUG_l_TEST DEBUG_l_TEST_
3009# define DEBUG_t_TEST DEBUG_t_TEST_
3010# define DEBUG_o_TEST DEBUG_o_TEST_
3011# define DEBUG_c_TEST DEBUG_c_TEST_
3012# define DEBUG_P_TEST DEBUG_P_TEST_
3013# define DEBUG_m_TEST DEBUG_m_TEST_
3014# define DEBUG_f_TEST DEBUG_f_TEST_
3015# define DEBUG_r_TEST DEBUG_r_TEST_
3016# define DEBUG_x_TEST DEBUG_x_TEST_
3017# define DEBUG_u_TEST DEBUG_u_TEST_
3018# define DEBUG_H_TEST DEBUG_H_TEST_
3019# define DEBUG_X_TEST DEBUG_X_TEST_
3020# define DEBUG_Xv_TEST DEBUG_Xv_TEST_
3021# define DEBUG_D_TEST DEBUG_D_TEST_
3022# define DEBUG_S_TEST DEBUG_S_TEST_
3023# define DEBUG_T_TEST DEBUG_T_TEST_
3024# define DEBUG_R_TEST DEBUG_R_TEST_
3025# define DEBUG_J_TEST DEBUG_J_TEST_
3026# define DEBUG_v_TEST DEBUG_v_TEST_
3027
3028# define PERL_DEB(a) a
3029# define PERL_DEBUG(a) if (PL_debug) a
3030# define DEBUG_p(a) if (DEBUG_p_TEST) a
3031# define DEBUG_s(a) if (DEBUG_s_TEST) a
3032# define DEBUG_l(a) if (DEBUG_l_TEST) a
3033# define DEBUG_t(a) if (DEBUG_t_TEST) a
3034# define DEBUG_o(a) if (DEBUG_o_TEST) a
3035# define DEBUG_c(a) if (DEBUG_c_TEST) a
3036# define DEBUG_P(a) if (DEBUG_P_TEST) a
3037
3038 /* Temporarily turn off memory debugging in case the a
3039 * does memory allocation, either directly or indirectly. */
3040# define DEBUG_m(a) \
3041 STMT_START { \
3042 if (PERL_GET_INTERP) { dTHX; if (DEBUG_m_TEST) {PL_debug&=~DEBUG_m_FLAG; a; PL_debug|=DEBUG_m_FLAG;} } \
3043 } STMT_END
3044
3045# define DEBUG__(t, a) \
3046 STMT_START { \
3047 if (t) STMT_START {a;} STMT_END; \
3048 } STMT_END
3049
3050# define DEBUG_f(a) DEBUG__(DEBUG_f_TEST, a)
3051# define DEBUG_r(a) DEBUG__(DEBUG_r_TEST, a)
3052# define DEBUG_x(a) DEBUG__(DEBUG_x_TEST, a)
3053# define DEBUG_u(a) DEBUG__(DEBUG_u_TEST, a)
3054# define DEBUG_H(a) DEBUG__(DEBUG_H_TEST, a)
3055# define DEBUG_X(a) DEBUG__(DEBUG_X_TEST, a)
3056# define DEBUG_Xv(a) DEBUG__(DEBUG_Xv_TEST, a)
3057# define DEBUG_D(a) DEBUG__(DEBUG_D_TEST, a)
3058
3059# ifdef USE_5005THREADS
3060# define DEBUG_S(a) DEBUG__(DEBUG_S_TEST, a)
3061# else
3062# define DEBUG_S(a)
3063# endif
3064
3065# define DEBUG_T(a) DEBUG__(DEBUG_T_TEST, a)
3066# define DEBUG_R(a) DEBUG__(DEBUG_R_TEST, a)
3067# define DEBUG_v(a) DEBUG__(DEBUG_v_TEST, a)
3068
3069#else /* DEBUGGING */
3070
3071# define DEBUG_p_TEST (0)
3072# define DEBUG_s_TEST (0)
3073# define DEBUG_l_TEST (0)
3074# define DEBUG_t_TEST (0)
3075# define DEBUG_o_TEST (0)
3076# define DEBUG_c_TEST (0)
3077# define DEBUG_P_TEST (0)
3078# define DEBUG_m_TEST (0)
3079# define DEBUG_f_TEST (0)
3080# define DEBUG_r_TEST (0)
3081# define DEBUG_x_TEST (0)
3082# define DEBUG_u_TEST (0)
3083# define DEBUG_H_TEST (0)
3084# define DEBUG_X_TEST (0)
3085# define DEBUG_Xv_TEST (0)
3086# define DEBUG_D_TEST (0)
3087# define DEBUG_S_TEST (0)
3088# define DEBUG_T_TEST (0)
3089# define DEBUG_R_TEST (0)
3090# define DEBUG_J_TEST (0)
3091# define DEBUG_v_TEST (0)
3092
3093# define PERL_DEB(a)
3094# define PERL_DEBUG(a)
3095# define DEBUG_p(a)
3096# define DEBUG_s(a)
3097# define DEBUG_l(a)
3098# define DEBUG_t(a)
3099# define DEBUG_o(a)
3100# define DEBUG_c(a)
3101# define DEBUG_P(a)
3102# define DEBUG_m(a)
3103# define DEBUG_f(a)
3104# define DEBUG_r(a)
3105# define DEBUG_x(a)
3106# define DEBUG_u(a)
3107# define DEBUG_H(a)
3108# define DEBUG_X(a)
3109# define DEBUG_Xv(a)
3110# define DEBUG_D(a)
3111# define DEBUG_S(a)
3112# define DEBUG_T(a)
3113# define DEBUG_R(a)
3114# define DEBUG_v(a)
3115#endif /* DEBUGGING */
3116
3117
3118#define DEBUG_SCOPE(where) \
3119 DEBUG_l(WITH_THR(Perl_deb(aTHX_ "%s scope %ld at %s:%d\n", \
3120 where, (long)PL_scopestack_ix, __FILE__, __LINE__)));
3121
3122
3123
3124
3125/* These constants should be used in preference to raw characters
3126 * when using magic. Note that some perl guts still assume
3127 * certain character properties of these constants, namely that
3128 * isUPPER() and toLOWER() may do useful mappings.
3129 *
3130 * Update the magic_names table in dump.c when adding/amending these
3131 */
3132
3133#define PERL_MAGIC_sv '\0' /* Special scalar variable */
3134#define PERL_MAGIC_overload 'A' /* %OVERLOAD hash */
3135#define PERL_MAGIC_overload_elem 'a' /* %OVERLOAD hash element */
3136#define PERL_MAGIC_overload_table 'c' /* Holds overload table (AMT) on stash */
3137#define PERL_MAGIC_bm 'B' /* Boyer-Moore (fast string search) */
3138#define PERL_MAGIC_regdata 'D' /* Regex match position data
3139 (@+ and @- vars) */
3140#define PERL_MAGIC_regdatum 'd' /* Regex match position data element */
3141#define PERL_MAGIC_env 'E' /* %ENV hash */
3142#define PERL_MAGIC_envelem 'e' /* %ENV hash element */
3143#define PERL_MAGIC_fm 'f' /* Formline ('compiled' format) */
3144#define PERL_MAGIC_regex_global 'g' /* m//g target / study()ed string */
3145#define PERL_MAGIC_isa 'I' /* @ISA array */
3146#define PERL_MAGIC_isaelem 'i' /* @ISA array element */
3147#define PERL_MAGIC_nkeys 'k' /* scalar(keys()) lvalue */
3148#define PERL_MAGIC_dbfile 'L' /* Debugger %_<filename */
3149#define PERL_MAGIC_dbline 'l' /* Debugger %_<filename element */
3150#define PERL_MAGIC_mutex 'm' /* for lock op */
3151#define PERL_MAGIC_shared 'N' /* Shared between threads */
3152#define PERL_MAGIC_shared_scalar 'n' /* Shared between threads */
3153#define PERL_MAGIC_collxfrm 'o' /* Locale transformation */
3154#define PERL_MAGIC_tied 'P' /* Tied array or hash */
3155#define PERL_MAGIC_tiedelem 'p' /* Tied array or hash element */
3156#define PERL_MAGIC_tiedscalar 'q' /* Tied scalar or handle */
3157#define PERL_MAGIC_qr 'r' /* precompiled qr// regex */
3158#define PERL_MAGIC_sig 'S' /* %SIG hash */
3159#define PERL_MAGIC_sigelem 's' /* %SIG hash element */
3160#define PERL_MAGIC_taint 't' /* Taintedness */
3161#define PERL_MAGIC_uvar 'U' /* Available for use by extensions */
3162#define PERL_MAGIC_uvar_elem 'u' /* Reserved for use by extensions */
3163#define PERL_MAGIC_vstring 'V' /* SV was vstring literal */
3164#define PERL_MAGIC_vec 'v' /* vec() lvalue */
3165#define PERL_MAGIC_utf8 'w' /* Cached UTF-8 information */
3166#define PERL_MAGIC_substr 'x' /* substr() lvalue */
3167#define PERL_MAGIC_defelem 'y' /* Shadow "foreach" iterator variable /
3168 smart parameter vivification */
3169#define PERL_MAGIC_glob '*' /* GV (typeglob) */
3170#define PERL_MAGIC_arylen '#' /* Array length ($#ary) */
3171#define PERL_MAGIC_pos '.' /* pos() lvalue */
3172#define PERL_MAGIC_backref '<' /* for weak ref data */
3173#define PERL_MAGIC_ext '~' /* Available for use by extensions */
3174
3175
3176#define YYMAXDEPTH 300
3177
3178#ifndef assert /* <assert.h> might have been included somehow */
3179#define assert(what) PERL_DEB( \
3180 ((what) ? ((void) 0) : \
3181 (Perl_croak(aTHX_ "Assertion %s failed: file \"" __FILE__ \
3182 "\", line %d", STRINGIFY(what), __LINE__), \
3183 PerlProc_exit(1), \
3184 (void) 0)))
3185#endif
3186
3187struct ufuncs {
3188 I32 (*uf_val)(pTHX_ IV, SV*);
3189 I32 (*uf_set)(pTHX_ IV, SV*);
3190 IV uf_index;
3191};
3192
3193/* In pre-5.7-Perls the PERL_MAGIC_uvar magic didn't get the thread context.
3194 * XS code wanting to be backward compatible can do something
3195 * like the following:
3196
3197#ifndef PERL_MG_UFUNC
3198#define PERL_MG_UFUNC(name,ix,sv) I32 name(IV ix, SV *sv)
3199#endif
3200
3201static PERL_MG_UFUNC(foo_get, index, val)
3202{
3203 sv_setsv(val, ...);
3204 return TRUE;
3205}
3206
3207-- Doug MacEachern
3208
3209*/
3210
3211#ifndef PERL_MG_UFUNC
3212#define PERL_MG_UFUNC(name,ix,sv) I32 name(pTHX_ IV ix, SV *sv)
3213#endif
3214
3215/* Fix these up for __STDC__ */
3216#ifndef DONT_DECLARE_STD
3217char *mktemp (char*);
3218#ifndef atof
3219double atof (const char*);
3220#endif
3221#endif
3222
3223#ifndef STANDARD_C
3224/* All of these are in stdlib.h or time.h for ANSI C */
3225Time_t time();
3226struct tm *gmtime(), *localtime();
3227#if defined(OEMVS) || defined(__OPEN_VM)
3228char *(strchr)(), *(strrchr)();
3229char *(strcpy)(), *(strcat)();
3230#else
3231char *strchr(), *strrchr();
3232char *strcpy(), *strcat();
3233#endif
3234#endif /* ! STANDARD_C */
3235
3236
3237#ifdef I_MATH
3238# include <math.h>
3239#else
3240START_EXTERN_C
3241 double exp (double);
3242 double log (double);
3243 double log10 (double);
3244 double sqrt (double);
3245 double frexp (double,int*);
3246 double ldexp (double,int);
3247 double modf (double,double*);
3248 double sin (double);
3249 double cos (double);
3250 double atan2 (double,double);
3251 double pow (double,double);
3252END_EXTERN_C
3253#endif
3254
3255#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(LDBL_INFINITY)
3256# define NV_INF LDBL_INFINITY
3257#endif
3258#if !defined(NV_INF) && defined(DBL_INFINITY)
3259# define NV_INF (NV)DBL_INFINITY
3260#endif
3261#if !defined(NV_INF) && defined(INFINITY)
3262# define NV_INF (NV)INFINITY
3263#endif
3264#if !defined(NV_INF) && defined(INF)
3265# define NV_INF (NV)INF
3266#endif
3267#if !defined(NV_INF) && defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)
3268# define NV_INF (NV)HUGE_VALL
3269#endif
3270#if !defined(NV_INF) && defined(HUGE_VAL)
3271# define NV_INF (NV)HUGE_VAL
3272#endif
3273
3274#if !defined(NV_NAN) && defined(USE_LONG_DOUBLE)
3275# if !defined(NV_NAN) && defined(LDBL_NAN)
3276# define NV_NAN LDBL_NAN
3277# endif
3278# if !defined(NV_NAN) && defined(LDBL_QNAN)
3279# define NV_NAN LDBL_QNAN
3280# endif
3281# if !defined(NV_NAN) && defined(LDBL_SNAN)
3282# define NV_NAN LDBL_SNAN
3283# endif
3284#endif
3285#if !defined(NV_NAN) && defined(DBL_NAN)
3286# define NV_NAN (NV)DBL_NAN
3287#endif
3288#if !defined(NV_NAN) && defined(DBL_QNAN)
3289# define NV_NAN (NV)DBL_QNAN
3290#endif
3291#if !defined(NV_NAN) && defined(DBL_SNAN)
3292# define NV_NAN (NV)DBL_SNAN
3293#endif
3294#if !defined(NV_NAN) && defined(QNAN)
3295# define NV_NAN (NV)QNAN
3296#endif
3297#if !defined(NV_NAN) && defined(SNAN)
3298# define NV_NAN (NV)SNAN
3299#endif
3300#if !defined(NV_NAN) && defined(NAN)
3301# define NV_NAN (NV)NAN
3302#endif
3303
3304#ifndef __cplusplus
3305# if defined(NeXT) || defined(__NeXT__) /* or whatever catches all NeXTs */
3306char *crypt (); /* Maybe more hosts will need the unprototyped version */
3307# else
3308# if !defined(WIN32) && !defined(VMS)
3309#ifndef crypt
3310char *crypt (const char*, const char*);
3311#endif
3312# endif /* !WIN32 */
3313# endif /* !NeXT && !__NeXT__ */
3314# ifndef DONT_DECLARE_STD
3315# ifndef getenv
3316char *getenv (const char*);
3317# endif /* !getenv */
3318# if !defined(HAS_LSEEK_PROTO) && !defined(EPOC) && !defined(__hpux)
3319# ifdef _FILE_OFFSET_BITS
3320# if _FILE_OFFSET_BITS == 64
3321Off_t lseek (int,Off_t,int);
3322# endif
3323# endif
3324# endif
3325# endif /* !DONT_DECLARE_STD */
3326#ifndef getlogin
3327char *getlogin (void);
3328#endif
3329#endif /* !__cplusplus */
3330
3331#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
3332#define UNLINK unlnk
3333I32 unlnk (char*);
3334#else
3335#define UNLINK PerlLIO_unlink
3336#endif
3337
3338/* some versions of glibc are missing the setresuid() proto */
3339#if defined(HAS_SETRESUID) && !defined(HAS_SETRESUID_PROTO)
3340int setresuid(uid_t ruid, uid_t euid, uid_t suid);
3341#endif
3342/* some versions of glibc are missing the setresgid() proto */
3343#if defined(HAS_SETRESGID) && !defined(HAS_SETRESGID_PROTO)
3344int setresgid(gid_t rgid, gid_t egid, gid_t sgid);
3345#endif
3346
3347#ifndef HAS_SETREUID
3348# ifdef HAS_SETRESUID
3349# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
3350# define HAS_SETREUID
3351# endif
3352#endif
3353#ifndef HAS_SETREGID
3354# ifdef HAS_SETRESGID
3355# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
3356# define HAS_SETREGID
3357# endif
3358#endif
3359
3360/* Sighandler_t defined in iperlsys.h */
3361
3362#ifdef HAS_SIGACTION
3363typedef struct sigaction Sigsave_t;
3364#else
3365typedef Sighandler_t Sigsave_t;
3366#endif
3367
3368#define SCAN_DEF 0
3369#define SCAN_TR 1
3370#define SCAN_REPL 2
3371
3372#ifdef DEBUGGING
3373# ifndef register
3374# define register
3375# endif
3376# define RUNOPS_DEFAULT Perl_runops_debug
3377#else
3378# define RUNOPS_DEFAULT Perl_runops_standard
3379#endif
3380
3381#ifdef MYMALLOC
3382# ifdef MUTEX_INIT_CALLS_MALLOC
3383# define MALLOC_INIT \
3384 STMT_START { \
3385 PL_malloc_mutex = NULL; \
3386 MUTEX_INIT(&PL_malloc_mutex); \
3387 } STMT_END
3388# define MALLOC_TERM \
3389 STMT_START { \
3390 perl_mutex tmp = PL_malloc_mutex; \
3391 PL_malloc_mutex = NULL; \
3392 MUTEX_DESTROY(&tmp); \
3393 } STMT_END
3394# else
3395# define MALLOC_INIT MUTEX_INIT(&PL_malloc_mutex)
3396# define MALLOC_TERM MUTEX_DESTROY(&PL_malloc_mutex)
3397# endif
3398#else
3399# define MALLOC_INIT
3400# define MALLOC_TERM
3401#endif
3402
3403
3404typedef int (CPERLscope(*runops_proc_t)) (pTHX);
3405typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv);
3406typedef int (CPERLscope(*thrhook_proc_t)) (pTHX);
3407typedef OP* (CPERLscope(*PPADDR_t)[]) (pTHX);
3408
3409/* _ (for $_) must be first in the following list (DEFSV requires it) */
3410#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
3411
3412/* NeXT has problems with crt0.o globals */
3413#if defined(__DYNAMIC__) && \
3414 (defined(NeXT) || defined(__NeXT__) || defined(PERL_DARWIN))
3415# if defined(NeXT) || defined(__NeXT)
3416# include <mach-o/dyld.h>
3417# define environ (*environ_pointer)
3418EXT char *** environ_pointer;
3419# else
3420# if defined(PERL_DARWIN) && defined(PERL_CORE)
3421# include <crt_externs.h> /* for the env array */
3422# define environ (*_NSGetEnviron())
3423# endif
3424# endif
3425#else
3426 /* VMS and some other platforms don't use the environ array */
3427# ifdef USE_ENVIRON_ARRAY
3428# if !defined(DONT_DECLARE_STD) || \
3429 (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || \
3430 defined(__sgi) || \
3431 defined(__DGUX)
3432extern char ** environ; /* environment variables supplied via exec */
3433# endif
3434# endif
3435#endif
3436
3437START_EXTERN_C
3438
3439/* handy constants */
3440EXTCONST char PL_warn_uninit[]
3441 INIT("Use of uninitialized value%s%s");
3442EXTCONST char PL_warn_nosemi[]
3443 INIT("Semicolon seems to be missing");
3444EXTCONST char PL_warn_reserved[]
3445 INIT("Unquoted string \"%s\" may clash with future reserved word");
3446EXTCONST char PL_warn_nl[]
3447 INIT("Unsuccessful %s on filename containing newline");
3448EXTCONST char PL_no_wrongref[]
3449 INIT("Can't use %s ref as %s ref");
3450EXTCONST char PL_no_symref[]
3451 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
3452EXTCONST char PL_no_usym[]
3453 INIT("Can't use an undefined value as %s reference");
3454EXTCONST char PL_no_aelem[]
3455 INIT("Modification of non-creatable array value attempted, subscript %d");
3456EXTCONST char PL_no_helem[]
3457 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
3458EXTCONST char PL_no_helem_sv[]
3459 INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\"");
3460EXTCONST char PL_no_modify[]
3461 INIT("Modification of a read-only value attempted");
3462EXTCONST char PL_no_mem[]
3463 INIT("Out of memory!\n");
3464EXTCONST char PL_no_security[]
3465 INIT("Insecure dependency in %s%s");
3466EXTCONST char PL_no_sock_func[]
3467 INIT("Unsupported socket function \"%s\" called");
3468EXTCONST char PL_no_dir_func[]
3469 INIT("Unsupported directory function \"%s\" called");
3470EXTCONST char PL_no_func[]
3471 INIT("The %s function is unimplemented");
3472EXTCONST char PL_no_myglob[]
3473 INIT("\"my\" variable %s can't be in a package");
3474EXTCONST char PL_no_localize_ref[]
3475 INIT("Can't localize through a reference");
3476EXTCONST char PL_memory_wrap[]
3477 INIT("panic: memory wrap");
3478
3479EXTCONST char PL_uuemap[65]
3480 INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_");
3481
3482
3483#ifdef DOINIT
3484EXT const char *PL_sig_name[] = { SIG_NAME };
3485EXT int PL_sig_num[] = { SIG_NUM };
3486#else
3487EXT const char *PL_sig_name[];
3488EXT int PL_sig_num[];
3489#endif
3490
3491/* fast conversion and case folding tables */
3492
3493#ifdef DOINIT
3494#ifdef EBCDIC
3495EXT unsigned char PL_fold[] = { /* fast EBCDIC case folding table */
3496 0, 1, 2, 3, 4, 5, 6, 7,
3497 8, 9, 10, 11, 12, 13, 14, 15,
3498 16, 17, 18, 19, 20, 21, 22, 23,
3499 24, 25, 26, 27, 28, 29, 30, 31,
3500 32, 33, 34, 35, 36, 37, 38, 39,
3501 40, 41, 42, 43, 44, 45, 46, 47,
3502 48, 49, 50, 51, 52, 53, 54, 55,
3503 56, 57, 58, 59, 60, 61, 62, 63,
3504 64, 65, 66, 67, 68, 69, 70, 71,
3505 72, 73, 74, 75, 76, 77, 78, 79,
3506 80, 81, 82, 83, 84, 85, 86, 87,
3507 88, 89, 90, 91, 92, 93, 94, 95,
3508 96, 97, 98, 99, 100, 101, 102, 103,
3509 104, 105, 106, 107, 108, 109, 110, 111,
3510 112, 113, 114, 115, 116, 117, 118, 119,
3511 120, 121, 122, 123, 124, 125, 126, 127,
3512 128, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3513 'H', 'I', 138, 139, 140, 141, 142, 143,
3514 144, 'J', 'K', 'L', 'M', 'N', 'O', 'P',
3515 'Q', 'R', 154, 155, 156, 157, 158, 159,
3516 160, 161, 'S', 'T', 'U', 'V', 'W', 'X',
3517 'Y', 'Z', 170, 171, 172, 173, 174, 175,
3518 176, 177, 178, 179, 180, 181, 182, 183,
3519 184, 185, 186, 187, 188, 189, 190, 191,
3520 192, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3521 'h', 'i', 202, 203, 204, 205, 206, 207,
3522 208, 'j', 'k', 'l', 'm', 'n', 'o', 'p',
3523 'q', 'r', 218, 219, 220, 221, 222, 223,
3524 224, 225, 's', 't', 'u', 'v', 'w', 'x',
3525 'y', 'z', 234, 235, 236, 237, 238, 239,
3526 240, 241, 242, 243, 244, 245, 246, 247,
3527 248, 249, 250, 251, 252, 253, 254, 255
3528};
3529#else /* ascii rather than ebcdic */
3530EXTCONST unsigned char PL_fold[] = {
3531 0, 1, 2, 3, 4, 5, 6, 7,
3532 8, 9, 10, 11, 12, 13, 14, 15,
3533 16, 17, 18, 19, 20, 21, 22, 23,
3534 24, 25, 26, 27, 28, 29, 30, 31,
3535 32, 33, 34, 35, 36, 37, 38, 39,
3536 40, 41, 42, 43, 44, 45, 46, 47,
3537 48, 49, 50, 51, 52, 53, 54, 55,
3538 56, 57, 58, 59, 60, 61, 62, 63,
3539 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3540 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3541 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3542 'x', 'y', 'z', 91, 92, 93, 94, 95,
3543 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3544 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3545 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3546 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3547 128, 129, 130, 131, 132, 133, 134, 135,
3548 136, 137, 138, 139, 140, 141, 142, 143,
3549 144, 145, 146, 147, 148, 149, 150, 151,
3550 152, 153, 154, 155, 156, 157, 158, 159,
3551 160, 161, 162, 163, 164, 165, 166, 167,
3552 168, 169, 170, 171, 172, 173, 174, 175,
3553 176, 177, 178, 179, 180, 181, 182, 183,
3554 184, 185, 186, 187, 188, 189, 190, 191,
3555 192, 193, 194, 195, 196, 197, 198, 199,
3556 200, 201, 202, 203, 204, 205, 206, 207,
3557 208, 209, 210, 211, 212, 213, 214, 215,
3558 216, 217, 218, 219, 220, 221, 222, 223,
3559 224, 225, 226, 227, 228, 229, 230, 231,
3560 232, 233, 234, 235, 236, 237, 238, 239,
3561 240, 241, 242, 243, 244, 245, 246, 247,
3562 248, 249, 250, 251, 252, 253, 254, 255
3563};
3564#endif /* !EBCDIC */
3565#else
3566EXTCONST unsigned char PL_fold[];
3567#endif
3568
3569#ifdef DOINIT
3570EXT unsigned char PL_fold_locale[] = {
3571 0, 1, 2, 3, 4, 5, 6, 7,
3572 8, 9, 10, 11, 12, 13, 14, 15,
3573 16, 17, 18, 19, 20, 21, 22, 23,
3574 24, 25, 26, 27, 28, 29, 30, 31,
3575 32, 33, 34, 35, 36, 37, 38, 39,
3576 40, 41, 42, 43, 44, 45, 46, 47,
3577 48, 49, 50, 51, 52, 53, 54, 55,
3578 56, 57, 58, 59, 60, 61, 62, 63,
3579 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
3580 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
3581 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
3582 'x', 'y', 'z', 91, 92, 93, 94, 95,
3583 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
3584 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
3585 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
3586 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
3587 128, 129, 130, 131, 132, 133, 134, 135,
3588 136, 137, 138, 139, 140, 141, 142, 143,
3589 144, 145, 146, 147, 148, 149, 150, 151,
3590 152, 153, 154, 155, 156, 157, 158, 159,
3591 160, 161, 162, 163, 164, 165, 166, 167,
3592 168, 169, 170, 171, 172, 173, 174, 175,
3593 176, 177, 178, 179, 180, 181, 182, 183,
3594 184, 185, 186, 187, 188, 189, 190, 191,
3595 192, 193, 194, 195, 196, 197, 198, 199,
3596 200, 201, 202, 203, 204, 205, 206, 207,
3597 208, 209, 210, 211, 212, 213, 214, 215,
3598 216, 217, 218, 219, 220, 221, 222, 223,
3599 224, 225, 226, 227, 228, 229, 230, 231,
3600 232, 233, 234, 235, 236, 237, 238, 239,
3601 240, 241, 242, 243, 244, 245, 246, 247,
3602 248, 249, 250, 251, 252, 253, 254, 255
3603};
3604#else
3605EXT unsigned char PL_fold_locale[];
3606#endif
3607
3608#ifdef DOINIT
3609#ifdef EBCDIC
3610EXT unsigned char PL_freq[] = {/* EBCDIC frequencies for mixed English/C */
3611 1, 2, 84, 151, 154, 155, 156, 157,
3612 165, 246, 250, 3, 158, 7, 18, 29,
3613 40, 51, 62, 73, 85, 96, 107, 118,
3614 129, 140, 147, 148, 149, 150, 152, 153,
3615 255, 6, 8, 9, 10, 11, 12, 13,
3616 14, 15, 24, 25, 26, 27, 28, 226,
3617 29, 30, 31, 32, 33, 43, 44, 45,
3618 46, 47, 48, 49, 50, 76, 77, 78,
3619 79, 80, 81, 82, 83, 84, 85, 86,
3620 87, 94, 95, 234, 181, 233, 187, 190,
3621 180, 96, 97, 98, 99, 100, 101, 102,
3622 104, 112, 182, 174, 236, 232, 229, 103,
3623 228, 226, 114, 115, 116, 117, 118, 119,
3624 120, 121, 122, 235, 176, 230, 194, 162,
3625 130, 131, 132, 133, 134, 135, 136, 137,
3626 138, 139, 201, 205, 163, 217, 220, 224,
3627 5, 248, 227, 244, 242, 255, 241, 231,
3628 240, 253, 16, 197, 19, 20, 21, 187,
3629 23, 169, 210, 245, 237, 249, 247, 239,
3630 168, 252, 34, 196, 36, 37, 38, 39,
3631 41, 42, 251, 254, 238, 223, 221, 213,
3632 225, 177, 52, 53, 54, 55, 56, 57,
3633 58, 59, 60, 61, 63, 64, 65, 66,
3634 67, 68, 69, 70, 71, 72, 74, 75,
3635 205, 208, 186, 202, 200, 218, 198, 179,
3636 178, 214, 88, 89, 90, 91, 92, 93,
3637 217, 166, 170, 207, 199, 209, 206, 204,
3638 160, 212, 105, 106, 108, 109, 110, 111,
3639 203, 113, 216, 215, 192, 175, 193, 243,
3640 172, 161, 123, 124, 125, 126, 127, 128,
3641 222, 219, 211, 195, 188, 193, 185, 184,
3642 191, 183, 141, 142, 143, 144, 145, 146
3643};
3644#else /* ascii rather than ebcdic */
3645EXTCONST unsigned char PL_freq[] = { /* letter frequencies for mixed English/C */
3646 1, 2, 84, 151, 154, 155, 156, 157,
3647 165, 246, 250, 3, 158, 7, 18, 29,
3648 40, 51, 62, 73, 85, 96, 107, 118,
3649 129, 140, 147, 148, 149, 150, 152, 153,
3650 255, 182, 224, 205, 174, 176, 180, 217,
3651 233, 232, 236, 187, 235, 228, 234, 226,
3652 222, 219, 211, 195, 188, 193, 185, 184,
3653 191, 183, 201, 229, 181, 220, 194, 162,
3654 163, 208, 186, 202, 200, 218, 198, 179,
3655 178, 214, 166, 170, 207, 199, 209, 206,
3656 204, 160, 212, 216, 215, 192, 175, 173,
3657 243, 172, 161, 190, 203, 189, 164, 230,
3658 167, 248, 227, 244, 242, 255, 241, 231,
3659 240, 253, 169, 210, 245, 237, 249, 247,
3660 239, 168, 252, 251, 254, 238, 223, 221,
3661 213, 225, 177, 197, 171, 196, 159, 4,
3662 5, 6, 8, 9, 10, 11, 12, 13,
3663 14, 15, 16, 17, 19, 20, 21, 22,
3664 23, 24, 25, 26, 27, 28, 30, 31,
3665 32, 33, 34, 35, 36, 37, 38, 39,
3666 41, 42, 43, 44, 45, 46, 47, 48,
3667 49, 50, 52, 53, 54, 55, 56, 57,
3668 58, 59, 60, 61, 63, 64, 65, 66,
3669 67, 68, 69, 70, 71, 72, 74, 75,
3670 76, 77, 78, 79, 80, 81, 82, 83,
3671 86, 87, 88, 89, 90, 91, 92, 93,
3672 94, 95, 97, 98, 99, 100, 101, 102,
3673 103, 104, 105, 106, 108, 109, 110, 111,
3674 112, 113, 114, 115, 116, 117, 119, 120,
3675 121, 122, 123, 124, 125, 126, 127, 128,
3676 130, 131, 132, 133, 134, 135, 136, 137,
3677 138, 139, 141, 142, 143, 144, 145, 146
3678};
3679#endif
3680#else
3681EXTCONST unsigned char PL_freq[];
3682#endif
3683
3684#ifdef DEBUGGING
3685#ifdef DOINIT
3686EXTCONST char* PL_block_type[] = {
3687 "NULL",
3688 "SUB",
3689 "EVAL",
3690 "LOOP",
3691 "SUBST",
3692 "BLOCK",
3693};
3694#else
3695EXTCONST char* PL_block_type[];
3696#endif
3697#endif
3698
3699END_EXTERN_C
3700
3701/*****************************************************************************/
3702/* This lexer/parser stuff is currently global since yacc is hard to reenter */
3703/*****************************************************************************/
3704/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
3705
3706#ifdef __Lynx__
3707/* LynxOS defines these in scsi.h which is included via ioctl.h */
3708#ifdef FORMAT
3709#undef FORMAT
3710#endif
3711#ifdef SPACE
3712#undef SPACE
3713#endif
3714#endif
3715
3716#include "perly.h"
3717
3718#define LEX_NOTPARSING 11 /* borrowed from toke.c */
3719
3720typedef enum {
3721 XOPERATOR,
3722 XTERM,
3723 XREF,
3724 XSTATE,
3725 XBLOCK,
3726 XATTRBLOCK,
3727 XATTRTERM,
3728 XTERMBLOCK
3729} expectation;
3730
3731enum { /* pass one of these to get_vtbl */
3732 want_vtbl_sv,
3733 want_vtbl_env,
3734 want_vtbl_envelem,
3735 want_vtbl_sig,
3736 want_vtbl_sigelem,
3737 want_vtbl_pack,
3738 want_vtbl_packelem,
3739 want_vtbl_dbline,
3740 want_vtbl_isa,
3741 want_vtbl_isaelem,
3742 want_vtbl_arylen,
3743 want_vtbl_glob,
3744 want_vtbl_mglob,
3745 want_vtbl_nkeys,
3746 want_vtbl_taint,
3747 want_vtbl_substr,
3748 want_vtbl_vec,
3749 want_vtbl_pos,
3750 want_vtbl_bm,
3751 want_vtbl_fm,
3752 want_vtbl_uvar,
3753 want_vtbl_defelem,
3754 want_vtbl_regexp,
3755 want_vtbl_collxfrm,
3756 want_vtbl_amagic,
3757 want_vtbl_amagicelem,
3758#ifdef USE_5005THREADS
3759 want_vtbl_mutex,
3760#endif
3761 want_vtbl_regdata,
3762 want_vtbl_regdatum,
3763 want_vtbl_backref,
3764 want_vtbl_utf8
3765};
3766
3767 /* Note: the lowest 8 bits are reserved for
3768 stuffing into op->op_private */
3769#define HINT_PRIVATE_MASK 0x000000ff
3770#define HINT_INTEGER 0x00000001 /* integer pragma */
3771#define HINT_STRICT_REFS 0x00000002 /* strict pragma */
3772#define HINT_LOCALE 0x00000004 /* locale pragma */
3773#define HINT_BYTES 0x00000008 /* bytes pragma */
3774/* #define HINT_notused10 0x00000010 */
3775 /* Note: 20,40,80 used for NATIVE_HINTS */
3776 /* currently defined by vms/vmsish.h */
3777
3778#define HINT_BLOCK_SCOPE 0x00000100
3779#define HINT_STRICT_SUBS 0x00000200 /* strict pragma */
3780#define HINT_STRICT_VARS 0x00000400 /* strict pragma */
3781
3782/* The HINT_NEW_* constants are used by the overload pragma */
3783#define HINT_NEW_INTEGER 0x00001000
3784#define HINT_NEW_FLOAT 0x00002000
3785#define HINT_NEW_BINARY 0x00004000
3786#define HINT_NEW_STRING 0x00008000
3787#define HINT_NEW_RE 0x00010000
3788#define HINT_LOCALIZE_HH 0x00020000 /* %^H needs to be copied */
3789
3790#define HINT_RE_TAINT 0x00100000 /* re pragma */
3791#define HINT_RE_EVAL 0x00200000 /* re pragma */
3792
3793#define HINT_FILETEST_ACCESS 0x00400000 /* filetest pragma */
3794#define HINT_UTF8 0x00800000 /* utf8 pragma */
3795
3796/* The following are stored in $sort::hints, not in PL_hints */
3797#define HINT_SORT_SORT_BITS 0x000000FF /* allow 256 different ones */
3798#define HINT_SORT_QUICKSORT 0x00000001
3799#define HINT_SORT_MERGESORT 0x00000002
3800#define HINT_SORT_STABLE 0x00000100 /* sort styles (currently one) */
3801
3802/* Various states of the input record separator SV (rs) */
3803#define RsSNARF(sv) (! SvOK(sv))
3804#define RsSIMPLE(sv) (SvOK(sv) && (! SvPOK(sv) || SvCUR(sv)))
3805#define RsPARA(sv) (SvPOK(sv) && ! SvCUR(sv))
3806#define RsRECORD(sv) (SvROK(sv) && (SvIV(SvRV(sv)) > 0))
3807
3808/* A struct for keeping various DEBUGGING related stuff,
3809 * neatly packed. Currently only scratch variables for
3810 * constructing debug output are included. Needed always,
3811 * not just when DEBUGGING, though, because of the re extension. c*/
3812struct perl_debug_pad {
3813 SV pad[3];
3814};
3815
3816#define PERL_DEBUG_PAD(i) &(PL_debug_pad.pad[i])
3817#define PERL_DEBUG_PAD_ZERO(i) (SvPVX(PERL_DEBUG_PAD(i))[0] = 0, \
3818 (((XPV*) SvANY(PERL_DEBUG_PAD(i)))->xpv_cur = 0), \
3819 PERL_DEBUG_PAD(i))
3820
3821/* Enable variables which are pointers to functions */
3822typedef void (CPERLscope(*peep_t))(pTHX_ OP* o);
3823typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm);
3824typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg,
3825 char* strend, char* strbeg, I32 minend,
3826 SV* screamer, void* data, U32 flags);
3827typedef char* (CPERLscope(*re_intuit_start_t)) (pTHX_ regexp *prog, SV *sv,
3828 char *strpos, char *strend,
3829 U32 flags,
3830 struct re_scream_pos_data_s *d);
3831typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog);
3832typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r);
3833
3834typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*);
3835typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*);
3836typedef void (*SVFUNC_t) (pTHX_ SV*);
3837typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*);
3838typedef void (*XSINIT_t) (pTHX);
3839typedef void (*ATEXIT_t) (pTHX_ void*);
3840typedef void (*XSUBADDR_t) (pTHX_ CV *);
3841
3842/* Set up PERLVAR macros for populating structs */
3843#define PERLVAR(var,type) type var;
3844#define PERLVARA(var,n,type) type var[n];
3845#define PERLVARI(var,type,init) type var;
3846#define PERLVARIC(var,type,init) type var;
3847
3848/* Interpreter exitlist entry */
3849typedef struct exitlistentry {
3850 void (*fn) (pTHX_ void*);
3851 void *ptr;
3852} PerlExitListEntry;
3853
3854#ifdef PERL_GLOBAL_STRUCT
3855struct perl_vars {
3856# include "perlvars.h"
3857};
3858
3859# ifdef PERL_CORE
3860EXT struct perl_vars PL_Vars;
3861EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars);
3862# else /* PERL_CORE */
3863# if !defined(__GNUC__) || !defined(WIN32)
3864EXT
3865# endif /* WIN32 */
3866struct perl_vars *PL_VarsPtr;
3867# define PL_Vars (*((PL_VarsPtr) \
3868 ? PL_VarsPtr : (PL_VarsPtr = Perl_GetVars(aTHX))))
3869# endif /* PERL_CORE */
3870#endif /* PERL_GLOBAL_STRUCT */
3871
3872#if defined(MULTIPLICITY)
3873/* If we have multiple interpreters define a struct
3874 holding variables which must be per-interpreter
3875 If we don't have threads anything that would have
3876 be per-thread is per-interpreter.
3877*/
3878
3879struct interpreter {
3880# ifndef USE_5005THREADS
3881# include "thrdvar.h"
3882# endif
3883# include "intrpvar.h"
3884/*
3885 * The following is a buffer where new variables must
3886 * be defined to maintain binary compatibility with previous versions
3887 */
3888PERLVARA(object_compatibility,30, char)
3889};
3890
3891#else
3892struct interpreter {
3893 char broiled;
3894};
3895#endif /* MULTIPLICITY */
3896
3897#ifdef USE_5005THREADS
3898/* If we have threads define a struct with all the variables
3899 * that have to be per-thread
3900 */
3901
3902
3903struct perl_thread {
3904#include "thrdvar.h"
3905};
3906
3907typedef struct perl_thread *Thread;
3908
3909#else
3910typedef void *Thread;
3911#endif
3912
3913/* Done with PERLVAR macros for now ... */
3914#undef PERLVAR
3915#undef PERLVARA
3916#undef PERLVARI
3917#undef PERLVARIC
3918
3919/* Types used by pack/unpack */
3920typedef enum {
3921 e_no_len, /* no length */
3922 e_number, /* number, [] */
3923 e_star /* asterisk */
3924} howlen_t;
3925
3926typedef struct {
3927 char* patptr; /* current template char */
3928 char* patend; /* one after last char */
3929 char* grpbeg; /* 1st char of ()-group */
3930 char* grpend; /* end of ()-group */
3931 I32 code; /* template code (!<>) */
3932 I32 length; /* length/repeat count */
3933 howlen_t howlen; /* how length is given */
3934 int level; /* () nesting level */
3935 U32 flags; /* /=4, comma=2, pack=1 */
3936 /* and group modifiers */
3937} tempsym_t;
3938
3939#include "thread.h"
3940#include "pp.h"
3941
3942#ifndef PERL_CALLCONV
3943# define PERL_CALLCONV
3944#endif
3945#undef PERL_CKDEF
3946#undef PERL_PPDEF
3947#define PERL_CKDEF(s) PERL_CALLCONV OP *s (pTHX_ OP *o);
3948#define PERL_PPDEF(s) PERL_CALLCONV OP *s (pTHX);
3949
3950#include "proto.h"
3951
3952/* this has structure inits, so it cannot be included before here */
3953#include "opcode.h"
3954
3955/* The following must follow proto.h as #defines mess up syntax */
3956
3957#if !defined(PERL_FOR_X2P)
3958# include "embedvar.h"
3959#endif
3960
3961/* Now include all the 'global' variables
3962 * If we don't have threads or multiple interpreters
3963 * these include variables that would have been their struct-s
3964 */
3965
3966#define PERLVAR(var,type) EXT type PL_##var;
3967#define PERLVARA(var,n,type) EXT type PL_##var[n];
3968#define PERLVARI(var,type,init) EXT type PL_##var INIT(init);
3969#define PERLVARIC(var,type,init) EXTCONST type PL_##var INIT(init);
3970
3971#if !defined(MULTIPLICITY)
3972START_EXTERN_C
3973# include "intrpvar.h"
3974# ifndef USE_5005THREADS
3975# include "thrdvar.h"
3976# endif
3977END_EXTERN_C
3978#endif
3979
3980#if defined(WIN32)
3981/* Now all the config stuff is setup we can include embed.h */
3982# include "embed.h"
3983#endif
3984
3985#ifndef PERL_GLOBAL_STRUCT
3986START_EXTERN_C
3987
3988# include "perlvars.h"
3989
3990END_EXTERN_C
3991#endif
3992
3993#include "reentr.inc"
3994
3995#undef PERLVAR
3996#undef PERLVARA
3997#undef PERLVARI
3998#undef PERLVARIC
3999
4000START_EXTERN_C
4001
4002#ifdef DOINIT
4003
4004EXT MGVTBL PL_vtbl_sv = {MEMBER_TO_FPTR(Perl_magic_get),
4005 MEMBER_TO_FPTR(Perl_magic_set),
4006 MEMBER_TO_FPTR(Perl_magic_len),
4007 0, 0};
4008EXT MGVTBL PL_vtbl_env = {0, MEMBER_TO_FPTR(Perl_magic_set_all_env),
4009 0, MEMBER_TO_FPTR(Perl_magic_clear_all_env),
4010 0};
4011EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv),
4012 0, MEMBER_TO_FPTR(Perl_magic_clearenv),
4013 0};
4014EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0};
4015#ifdef PERL_MICRO
4016EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0};
4017#else
4018EXT MGVTBL PL_vtbl_sigelem = {MEMBER_TO_FPTR(Perl_magic_getsig),
4019 MEMBER_TO_FPTR(Perl_magic_setsig),
4020 0, MEMBER_TO_FPTR(Perl_magic_clearsig),
4021 0};
4022#endif
4023EXT MGVTBL PL_vtbl_pack = {0, 0,
4024 MEMBER_TO_FPTR(Perl_magic_sizepack),
4025 MEMBER_TO_FPTR(Perl_magic_wipepack),
4026 0};
4027EXT MGVTBL PL_vtbl_packelem = {MEMBER_TO_FPTR(Perl_magic_getpack),
4028 MEMBER_TO_FPTR(Perl_magic_setpack),
4029 0, MEMBER_TO_FPTR(Perl_magic_clearpack),
4030 0};
4031EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline),
4032 0, 0, 0};
4033EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
4034 0, MEMBER_TO_FPTR(Perl_magic_setisa),
4035 0};
4036EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa),
4037 0, 0, 0};
4038EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen),
4039 MEMBER_TO_FPTR(Perl_magic_setarylen),
4040 0, 0, 0};
4041EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob),
4042 MEMBER_TO_FPTR(Perl_magic_setglob),
4043 0, 0, 0};
4044EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob),
4045 0, 0, 0};
4046EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys),
4047 MEMBER_TO_FPTR(Perl_magic_setnkeys),
4048 0, 0, 0};
4049EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint),
4050 MEMBER_TO_FPTR(Perl_magic_settaint),
4051 0, 0, 0};
4052EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr),
4053 MEMBER_TO_FPTR(Perl_magic_setsubstr),
4054 0, 0, 0};
4055EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec),
4056 MEMBER_TO_FPTR(Perl_magic_setvec),
4057 0, 0, 0};
4058EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos),
4059 MEMBER_TO_FPTR(Perl_magic_setpos),
4060 0, 0, 0};
4061EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm),
4062 0, 0, 0};
4063EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm),
4064 0, 0, 0};
4065EXT MGVTBL PL_vtbl_uvar = {MEMBER_TO_FPTR(Perl_magic_getuvar),
4066 MEMBER_TO_FPTR(Perl_magic_setuvar),
4067 0, 0, 0};
4068#ifdef USE_5005THREADS
4069EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0,
4070 MEMBER_TO_FPTR(Perl_magic_mutexfree)};
4071#endif /* USE_5005THREADS */
4072EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem),
4073 MEMBER_TO_FPTR(Perl_magic_setdefelem),
4074 0, 0, 0};
4075
4076EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)};
4077EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0};
4078EXT MGVTBL PL_vtbl_regdatum = {MEMBER_TO_FPTR(Perl_magic_regdatum_get),
4079 MEMBER_TO_FPTR(Perl_magic_regdatum_set), 0, 0, 0};
4080
4081#ifdef USE_LOCALE_COLLATE
4082EXT MGVTBL PL_vtbl_collxfrm = {0,
4083 MEMBER_TO_FPTR(Perl_magic_setcollxfrm),
4084 0, 0, 0};
4085#endif
4086
4087EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
4088 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
4089EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic),
4090 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)};
4091
4092EXT MGVTBL PL_vtbl_backref = {0, 0,
4093 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)};
4094
4095EXT MGVTBL PL_vtbl_ovrld = {0, 0,
4096 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)};
4097
4098EXT MGVTBL PL_vtbl_utf8 = {0,
4099 MEMBER_TO_FPTR(Perl_magic_setutf8),
4100 0, 0, 0};
4101
4102#else /* !DOINIT */
4103
4104EXT MGVTBL PL_vtbl_sv;
4105EXT MGVTBL PL_vtbl_env;
4106EXT MGVTBL PL_vtbl_envelem;
4107EXT MGVTBL PL_vtbl_sig;
4108EXT MGVTBL PL_vtbl_sigelem;
4109EXT MGVTBL PL_vtbl_pack;
4110EXT MGVTBL PL_vtbl_packelem;
4111EXT MGVTBL PL_vtbl_dbline;
4112EXT MGVTBL PL_vtbl_isa;
4113EXT MGVTBL PL_vtbl_isaelem;
4114EXT MGVTBL PL_vtbl_arylen;
4115EXT MGVTBL PL_vtbl_glob;
4116EXT MGVTBL PL_vtbl_mglob;
4117EXT MGVTBL PL_vtbl_nkeys;
4118EXT MGVTBL PL_vtbl_taint;
4119EXT MGVTBL PL_vtbl_substr;
4120EXT MGVTBL PL_vtbl_vec;
4121EXT MGVTBL PL_vtbl_pos;
4122EXT MGVTBL PL_vtbl_bm;
4123EXT MGVTBL PL_vtbl_fm;
4124EXT MGVTBL PL_vtbl_uvar;
4125EXT MGVTBL PL_vtbl_ovrld;
4126
4127#ifdef USE_5005THREADS
4128EXT MGVTBL PL_vtbl_mutex;
4129#endif /* USE_5005THREADS */
4130
4131EXT MGVTBL PL_vtbl_defelem;
4132EXT MGVTBL PL_vtbl_regexp;
4133EXT MGVTBL PL_vtbl_regdata;
4134EXT MGVTBL PL_vtbl_regdatum;
4135
4136#ifdef USE_LOCALE_COLLATE
4137EXT MGVTBL PL_vtbl_collxfrm;
4138#endif
4139
4140EXT MGVTBL PL_vtbl_amagic;
4141EXT MGVTBL PL_vtbl_amagicelem;
4142
4143EXT MGVTBL PL_vtbl_backref;
4144EXT MGVTBL PL_vtbl_utf8;
4145
4146#endif /* !DOINIT */
4147
4148enum {
4149 fallback_amg, abs_amg,
4150 bool__amg, nomethod_amg,
4151 string_amg, numer_amg,
4152 add_amg, add_ass_amg,
4153 subtr_amg, subtr_ass_amg,
4154 mult_amg, mult_ass_amg,
4155 div_amg, div_ass_amg,
4156 modulo_amg, modulo_ass_amg,
4157 pow_amg, pow_ass_amg,
4158 lshift_amg, lshift_ass_amg,
4159 rshift_amg, rshift_ass_amg,
4160 band_amg, band_ass_amg,
4161 bor_amg, bor_ass_amg,
4162 bxor_amg, bxor_ass_amg,
4163 lt_amg, le_amg,
4164 gt_amg, ge_amg,
4165 eq_amg, ne_amg,
4166 ncmp_amg, scmp_amg,
4167 slt_amg, sle_amg,
4168 sgt_amg, sge_amg,
4169 seq_amg, sne_amg,
4170 not_amg, compl_amg,
4171 inc_amg, dec_amg,
4172 atan2_amg, cos_amg,
4173 sin_amg, exp_amg,
4174 log_amg, sqrt_amg,
4175 repeat_amg, repeat_ass_amg,
4176 concat_amg, concat_ass_amg,
4177 copy_amg, neg_amg,
4178 to_sv_amg, to_av_amg,
4179 to_hv_amg, to_gv_amg,
4180 to_cv_amg, iter_amg,
4181 int_amg, DESTROY_amg,
4182 max_amg_code
4183 /* Do not leave a trailing comma here. C9X allows it, C89 doesn't. */
4184};
4185
4186#define NofAMmeth max_amg_code
4187#define AMG_id2name(id) (PL_AMG_names[id]+1)
4188
4189#ifdef DOINIT
4190EXTCONST char * PL_AMG_names[NofAMmeth] = {
4191 /* Names kept in the symbol table. fallback => "()", the rest has
4192 "(" prepended. The only other place in perl which knows about
4193 this convention is AMG_id2name (used for debugging output and
4194 'nomethod' only), the only other place which has it hardwired is
4195 overload.pm. */
4196 "()", "(abs", /* "fallback" should be the first. */
4197 "(bool", "(nomethod",
4198 "(\"\"", "(0+",
4199 "(+", "(+=",
4200 "(-", "(-=",
4201 "(*", "(*=",
4202 "(/", "(/=",
4203 "(%", "(%=",
4204 "(**", "(**=",
4205 "(<<", "(<<=",
4206 "(>>", "(>>=",
4207 "(&", "(&=",
4208 "(|", "(|=",
4209 "(^", "(^=",
4210 "(<", "(<=",
4211 "(>", "(>=",
4212 "(==", "(!=",
4213 "(<=>", "(cmp",
4214 "(lt", "(le",
4215 "(gt", "(ge",
4216 "(eq", "(ne",
4217 "(!", "(~",
4218 "(++", "(--",
4219 "(atan2", "(cos",
4220 "(sin", "(exp",
4221 "(log", "(sqrt",
4222 "(x", "(x=",
4223 "(.", "(.=",
4224 "(=", "(neg",
4225 "(${}", "(@{}",
4226 "(%{}", "(*{}",
4227 "(&{}", "(<>",
4228 "(int", "DESTROY",
4229};
4230#else
4231EXTCONST char * PL_AMG_names[NofAMmeth];
4232#endif /* def INITAMAGIC */
4233
4234END_EXTERN_C
4235
4236struct am_table {
4237 U32 was_ok_sub;
4238 long was_ok_am;
4239 U32 flags;
4240 CV* table[NofAMmeth];
4241 long fallback;
4242};
4243struct am_table_short {
4244 U32 was_ok_sub;
4245 long was_ok_am;
4246 U32 flags;
4247};
4248typedef struct am_table AMT;
4249typedef struct am_table_short AMTS;
4250
4251#define AMGfallNEVER 1
4252#define AMGfallNO 2
4253#define AMGfallYES 3
4254
4255#define AMTf_AMAGIC 1
4256#define AMTf_OVERLOADED 2
4257#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
4258#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
4259#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
4260#define AMT_OVERLOADED(amt) ((amt)->flags & AMTf_OVERLOADED)
4261#define AMT_OVERLOADED_on(amt) ((amt)->flags |= AMTf_OVERLOADED)
4262#define AMT_OVERLOADED_off(amt) ((amt)->flags &= ~AMTf_OVERLOADED)
4263
4264#define StashHANDLER(stash,meth) gv_handler((stash),CAT2(meth,_amg))
4265
4266/*
4267 * some compilers like to redefine cos et alia as faster
4268 * (and less accurate?) versions called F_cos et cetera (Quidquid
4269 * latine dictum sit, altum viditur.) This trick collides with
4270 * the Perl overloading (amg). The following #defines fool both.
4271 */
4272
4273#ifdef _FASTMATH
4274# ifdef atan2
4275# define F_atan2_amg atan2_amg
4276# endif
4277# ifdef cos
4278# define F_cos_amg cos_amg
4279# endif
4280# ifdef exp
4281# define F_exp_amg exp_amg
4282# endif
4283# ifdef log
4284# define F_log_amg log_amg
4285# endif
4286# ifdef pow
4287# define F_pow_amg pow_amg
4288# endif
4289# ifdef sin
4290# define F_sin_amg sin_amg
4291# endif
4292# ifdef sqrt
4293# define F_sqrt_amg sqrt_amg
4294# endif
4295#endif /* _FASTMATH */
4296
4297#define PERLDB_ALL (PERLDBf_SUB | PERLDBf_LINE | \
4298 PERLDBf_NOOPT | PERLDBf_INTER | \
4299 PERLDBf_SUBLINE| PERLDBf_SINGLE| \
4300 PERLDBf_NAMEEVAL| PERLDBf_NAMEANON)
4301 /* No _NONAME, _GOTO */
4302#define PERLDBf_SUB 0x01 /* Debug sub enter/exit */
4303#define PERLDBf_LINE 0x02 /* Keep line # */
4304#define PERLDBf_NOOPT 0x04 /* Switch off optimizations */
4305#define PERLDBf_INTER 0x08 /* Preserve more data for
4306 later inspections */
4307#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines */
4308#define PERLDBf_SINGLE 0x20 /* Start with single-step on */
4309#define PERLDBf_NONAME 0x40 /* For _SUB: no name of the subr */
4310#define PERLDBf_GOTO 0x80 /* Report goto: call DB::goto */
4311#define PERLDBf_NAMEEVAL 0x100 /* Informative names for evals */
4312#define PERLDBf_NAMEANON 0x200 /* Informative names for anon subs */
4313
4314#define PERLDB_SUB (PL_perldb && (PL_perldb & PERLDBf_SUB))
4315#define PERLDB_LINE (PL_perldb && (PL_perldb & PERLDBf_LINE))
4316#define PERLDB_NOOPT (PL_perldb && (PL_perldb & PERLDBf_NOOPT))
4317#define PERLDB_INTER (PL_perldb && (PL_perldb & PERLDBf_INTER))
4318#define PERLDB_SUBLINE (PL_perldb && (PL_perldb & PERLDBf_SUBLINE))
4319#define PERLDB_SINGLE (PL_perldb && (PL_perldb & PERLDBf_SINGLE))
4320#define PERLDB_SUB_NN (PL_perldb && (PL_perldb & (PERLDBf_NONAME)))
4321#define PERLDB_GOTO (PL_perldb && (PL_perldb & PERLDBf_GOTO))
4322#define PERLDB_NAMEEVAL (PL_perldb && (PL_perldb & PERLDBf_NAMEEVAL))
4323#define PERLDB_NAMEANON (PL_perldb && (PL_perldb & PERLDBf_NAMEANON))
4324
4325
4326#ifdef USE_LOCALE_NUMERIC
4327
4328#define SET_NUMERIC_STANDARD() \
4329 set_numeric_standard();
4330
4331#define SET_NUMERIC_LOCAL() \
4332 set_numeric_local();
4333
4334#define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
4335#define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
4336
4337#define IN_LOCALE \
4338 (IN_PERL_COMPILETIME ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
4339
4340#define STORE_NUMERIC_LOCAL_SET_STANDARD() \
4341 bool was_local = PL_numeric_local && IN_LOCALE; \
4342 if (was_local) SET_NUMERIC_STANDARD();
4343
4344#define STORE_NUMERIC_STANDARD_SET_LOCAL() \
4345 bool was_standard = PL_numeric_standard && IN_LOCALE; \
4346 if (was_standard) SET_NUMERIC_LOCAL();
4347
4348#define RESTORE_NUMERIC_LOCAL() \
4349 if (was_local) SET_NUMERIC_LOCAL();
4350
4351#define RESTORE_NUMERIC_STANDARD() \
4352 if (was_standard) SET_NUMERIC_STANDARD();
4353
4354#define Atof my_atof
4355
4356#else /* !USE_LOCALE_NUMERIC */
4357
4358#define SET_NUMERIC_STANDARD() /**/
4359#define SET_NUMERIC_LOCAL() /**/
4360#define IS_NUMERIC_RADIX(a, b) (0)
4361#define STORE_NUMERIC_LOCAL_SET_STANDARD() /**/
4362#define STORE_NUMERIC_STANDARD_SET_LOCAL() /**/
4363#define RESTORE_NUMERIC_LOCAL() /**/
4364#define RESTORE_NUMERIC_STANDARD() /**/
4365#define Atof my_atof
4366#define IN_LOCALE_RUNTIME 0
4367
4368#endif /* !USE_LOCALE_NUMERIC */
4369
4370#if !defined(Strtol) && defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
4371# ifdef __hpux
4372# define strtoll __strtoll /* secret handshake */
4373# endif
4374# ifdef WIN64
4375# define strtoll _strtoi64 /* secret handshake */
4376# endif
4377# if !defined(Strtol) && defined(HAS_STRTOLL)
4378# define Strtol strtoll
4379# endif
4380# if !defined(Strtol) && defined(HAS_STRTOQ)
4381# define Strtol strtoq
4382# endif
4383/* is there atoq() anywhere? */
4384#endif
4385#if !defined(Strtol) && defined(HAS_STRTOL)
4386# define Strtol strtol
4387#endif
4388#ifndef Atol
4389/* It would be more fashionable to use Strtol() to define atol()
4390 * (as is done for Atoul(), see below) but for backward compatibility
4391 * we just assume atol(). */
4392# if defined(USE_64_BIT_INT) && defined(IV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG && defined(HAS_ATOLL)
4393# ifdef WIN64
4394# define atoll _atoi64 /* secret handshake */
4395# endif
4396# define Atol atoll
4397# else
4398# define Atol atol
4399# endif
4400#endif
4401
4402#if !defined(Strtoul) && defined(USE_64_BIT_INT) && defined(UV_IS_QUAD) && QUADKIND == QUAD_IS_LONG_LONG
4403# ifdef __hpux
4404# define strtoull __strtoull /* secret handshake */
4405# endif
4406# ifdef WIN64
4407# define strtoull _strtoui64 /* secret handshake */
4408# endif
4409# if !defined(Strtoul) && defined(HAS_STRTOULL)
4410# define Strtoul strtoull
4411# endif
4412# if !defined(Strtoul) && defined(HAS_STRTOUQ)
4413# define Strtoul strtouq
4414# endif
4415/* is there atouq() anywhere? */
4416#endif
4417#if !defined(Strtoul) && defined(HAS_STRTOUL)
4418# define Strtoul strtoul
4419#endif
4420#if !defined(Strtoul) && defined(HAS_STRTOL) /* Last resort. */
4421# define Strtoul(s, e, b) strchr((s), '-') ? ULONG_MAX : (unsigned long)strtol((s), (e), (b))
4422#endif
4423#ifndef Atoul
4424# define Atoul(s) Strtoul(s, (char **)NULL, 10)
4425#endif
4426
4427
4428/* if these never got defined, they need defaults */
4429#ifndef PERL_SET_CONTEXT
4430# define PERL_SET_CONTEXT(i) PERL_SET_INTERP(i)
4431#endif
4432
4433#ifndef PERL_GET_CONTEXT
4434# define PERL_GET_CONTEXT PERL_GET_INTERP
4435#endif
4436
4437#ifndef PERL_GET_THX
4438# define PERL_GET_THX ((void*)NULL)
4439#endif
4440
4441#ifndef PERL_SET_THX
4442# define PERL_SET_THX(t) NOOP
4443#endif
4444
4445#ifndef PERL_SCRIPT_MODE
4446#define PERL_SCRIPT_MODE "r"
4447#endif
4448
4449/*
4450 * Some operating systems are stingy with stack allocation,
4451 * so perl may have to guard against stack overflow.
4452 */
4453#ifndef PERL_STACK_OVERFLOW_CHECK
4454#define PERL_STACK_OVERFLOW_CHECK() NOOP
4455#endif
4456
4457/*
4458 * Some nonpreemptive operating systems find it convenient to
4459 * check for asynchronous conditions after each op execution.
4460 * Keep this check simple, or it may slow down execution
4461 * massively.
4462 */
4463
4464#ifndef PERL_MICRO
4465# ifndef PERL_ASYNC_CHECK
4466# define PERL_ASYNC_CHECK() if (PL_sig_pending) despatch_signals()
4467# endif
4468#endif
4469
4470#ifndef PERL_ASYNC_CHECK
4471# define PERL_ASYNC_CHECK() NOOP
4472#endif
4473
4474/*
4475 * On some operating systems, a memory allocation may succeed,
4476 * but put the process too close to the system's comfort limit.
4477 * In this case, PERL_ALLOC_CHECK frees the pointer and sets
4478 * it to NULL.
4479 */
4480#ifndef PERL_ALLOC_CHECK
4481#define PERL_ALLOC_CHECK(p) NOOP
4482#endif
4483
4484#ifdef HAS_SEM
4485# include <sys/ipc.h>
4486# include <sys/sem.h>
4487# ifndef HAS_UNION_SEMUN /* Provide the union semun. */
4488 union semun {
4489 int val;
4490 struct semid_ds *buf;
4491 unsigned short *array;
4492 };
4493# endif
4494# ifdef USE_SEMCTL_SEMUN
4495# ifdef IRIX32_SEMUN_BROKEN_BY_GCC
4496 union gccbug_semun {
4497 int val;
4498 struct semid_ds *buf;
4499 unsigned short *array;
4500 char __dummy[5];
4501 };
4502# define semun gccbug_semun
4503# endif
4504# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun)
4505# else
4506# ifdef USE_SEMCTL_SEMID_DS
4507# ifdef EXTRA_F_IN_SEMUN_BUF
4508# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buff)
4509# else
4510# define Semctl(id, num, cmd, semun) semctl(id, num, cmd, semun.buf)
4511# endif
4512# endif
4513# endif
4514#endif
4515
4516/*
4517 * Boilerplate macros for initializing and accessing interpreter-local
4518 * data from C. All statics in extensions should be reworked to use
4519 * this, if you want to make the extension thread-safe. See ext/re/re.xs
4520 * for an example of the use of these macros, and perlxs.pod for more.
4521 *
4522 * Code that uses these macros is responsible for the following:
4523 * 1. #define MY_CXT_KEY to a unique string, e.g.
4524 * "DynaLoader::_guts" XS_VERSION
4525 * 2. Declare a typedef named my_cxt_t that is a structure that contains
4526 * all the data that needs to be interpreter-local.
4527 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
4528 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
4529 * (typically put in the BOOT: section).
4530 * 5. Use the members of the my_cxt_t structure everywhere as
4531 * MY_CXT.member.
4532 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
4533 * access MY_CXT.
4534 */
4535
4536#if defined(PERL_IMPLICIT_CONTEXT)
4537
4538/* This must appear in all extensions that define a my_cxt_t structure,
4539 * right after the definition (i.e. at file scope). The non-threads
4540 * case below uses it to declare the data as static. */
4541#define START_MY_CXT
4542
4543/* Fetches the SV that keeps the per-interpreter data. */
4544#define dMY_CXT_SV \
4545 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
4546 sizeof(MY_CXT_KEY)-1, TRUE)
4547
4548/* This declaration should be used within all functions that use the
4549 * interpreter-local data. */
4550#define dMY_CXT \
4551 dMY_CXT_SV; \
4552 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*, SvUV(my_cxt_sv))
4553
4554/* Creates and zeroes the per-interpreter data.
4555 * (We allocate my_cxtp in a Perl SV so that it will be released when
4556 * the interpreter goes away.) */
4557#define MY_CXT_INIT \
4558 dMY_CXT_SV; \
4559 /* newSV() allocates one more than needed */ \
4560 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4561 Zero(my_cxtp, 1, my_cxt_t); \
4562 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
4563
4564/* Clones the per-interpreter data. */
4565#define MY_CXT_CLONE \
4566 dMY_CXT_SV; \
4567 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
4568 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t);\
4569 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
4570
4571/* This macro must be used to access members of the my_cxt_t structure.
4572 * e.g. MYCXT.some_data */
4573#define MY_CXT (*my_cxtp)
4574
4575/* Judicious use of these macros can reduce the number of times dMY_CXT
4576 * is used. Use is similar to pTHX, aTHX etc. */
4577#define pMY_CXT my_cxt_t *my_cxtp
4578#define pMY_CXT_ pMY_CXT,
4579#define _pMY_CXT ,pMY_CXT
4580#define aMY_CXT my_cxtp
4581#define aMY_CXT_ aMY_CXT,
4582#define _aMY_CXT ,aMY_CXT
4583
4584#else /* USE_ITHREADS */
4585
4586#define START_MY_CXT static my_cxt_t my_cxt;
4587#define dMY_CXT_SV dNOOP
4588#define dMY_CXT dNOOP
4589#define MY_CXT_INIT NOOP
4590#define MY_CXT_CLONE NOOP
4591#define MY_CXT my_cxt
4592
4593#define pMY_CXT void
4594#define pMY_CXT_
4595#define _pMY_CXT
4596#define aMY_CXT
4597#define aMY_CXT_
4598#define _aMY_CXT
4599
4600#endif /* !defined(USE_ITHREADS) */
4601
4602#ifdef I_FCNTL
4603# include <fcntl.h>
4604#endif
4605
4606#ifdef __Lynx__
4607# include <fcntl.h>
4608#endif
4609
4610#ifdef I_SYS_FILE
4611# include <sys/file.h>
4612#endif
4613
4614#if defined(HAS_FLOCK) && !defined(HAS_FLOCK_PROTO)
4615int flock(int fd, int op);
4616#endif
4617
4618#ifndef O_RDONLY
4619/* Assume UNIX defaults */
4620# define O_RDONLY 0000
4621# define O_WRONLY 0001
4622# define O_RDWR 0002
4623# define O_CREAT 0100
4624#endif
4625
4626#ifndef O_BINARY
4627# define O_BINARY 0
4628#endif
4629
4630#ifndef O_TEXT
4631# define O_TEXT 0
4632#endif
4633
4634#if O_TEXT != O_BINARY
4635 /* If you have different O_TEXT and O_BINARY and you are a CLRF shop,
4636 * that is, you are somehow DOSish. */
4637# if defined(__BEOS__) || defined(__VOS__) || defined(__CYGWIN__)
4638 /* BeOS has O_TEXT != O_BINARY but O_TEXT and O_BINARY have no effect;
4639 * BeOS is always UNIXoid (LF), not DOSish (CRLF). */
4640 /* VOS has O_TEXT != O_BINARY, and they have effect,
4641 * but VOS always uses LF, never CRLF. */
4642 /* If you have O_TEXT different from your O_BINARY but you still are
4643 * not a CRLF shop. */
4644# undef PERLIO_USING_CRLF
4645# else
4646 /* If you really are DOSish. */
4647# define PERLIO_USING_CRLF 1
4648# endif
4649#endif
4650
4651#ifdef IAMSUID
4652
4653#ifdef I_SYS_STATVFS
4654# if defined(PERL_SCO) && !defined(_SVID3)
4655# define _SVID3
4656# endif
4657# include <sys/statvfs.h> /* for f?statvfs() */
4658#endif
4659#ifdef I_SYS_MOUNT
4660# include <sys/mount.h> /* for *BSD f?statfs() */
4661#endif
4662#ifdef I_MNTENT
4663# include <mntent.h> /* for getmntent() */
4664#endif
4665#ifdef I_SYS_STATFS
4666# include <sys/statfs.h> /* for some statfs() */
4667#endif
4668#ifdef I_SYS_VFS
4669# ifdef __sgi
4670# define sv IRIX_sv /* kludge: IRIX has an sv of its own */
4671# endif
4672# include <sys/vfs.h> /* for some statfs() */
4673# ifdef __sgi
4674# undef IRIX_sv
4675# endif
4676#endif
4677#ifdef I_USTAT
4678# include <ustat.h> /* for ustat() */
4679#endif
4680
4681#if !defined(PERL_MOUNT_NOSUID) && defined(MOUNT_NOSUID)
4682# define PERL_MOUNT_NOSUID MOUNT_NOSUID
4683#endif
4684#if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID)
4685# define PERL_MOUNT_NOSUID MNT_NOSUID
4686#endif
4687#if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID)
4688# define PERL_MOUNT_NOSUID MS_NOSUID
4689#endif
4690#if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID)
4691# define PERL_MOUNT_NOSUID M_NOSUID
4692#endif
4693
4694#if !defined(PERL_MOUNT_NOEXEC) && defined(MOUNT_NOEXEC)
4695# define PERL_MOUNT_NOEXEC MOUNT_NOEXEC
4696#endif
4697#if !defined(PERL_MOUNT_NOEXEC) && defined(MNT_NOEXEC)
4698# define PERL_MOUNT_NOEXEC MNT_NOEXEC
4699#endif
4700#if !defined(PERL_MOUNT_NOEXEC) && defined(MS_NOEXEC)
4701# define PERL_MOUNT_NOEXEC MS_NOEXEC
4702#endif
4703#if !defined(PERL_MOUNT_NOEXEC) && defined(M_NOEXEC)
4704# define PERL_MOUNT_NOEXEC M_NOEXEC
4705#endif
4706
4707#endif /* IAMSUID */
4708
4709#ifdef I_LIBUTIL
4710# include <libutil.h> /* setproctitle() in some FreeBSDs */
4711#endif
4712
4713#ifndef EXEC_ARGV_CAST
4714#define EXEC_ARGV_CAST(x) x
4715#endif
4716
4717#define IS_NUMBER_IN_UV 0x01 /* number within UV range (maybe not
4718 int). value returned in pointed-
4719 to UV */
4720#define IS_NUMBER_GREATER_THAN_UV_MAX 0x02 /* pointed to UV undefined */
4721#define IS_NUMBER_NOT_INT 0x04 /* saw . or E notation */
4722#define IS_NUMBER_NEG 0x08 /* leading minus sign */
4723#define IS_NUMBER_INFINITY 0x10 /* this is big */
4724#define IS_NUMBER_NAN 0x20 /* this is not */
4725
4726#define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(sp, send)
4727
4728/* Input flags: */
4729#define PERL_SCAN_ALLOW_UNDERSCORES 0x01 /* grok_??? accept _ in numbers */
4730#define PERL_SCAN_DISALLOW_PREFIX 0x02 /* grok_??? reject 0x in hex etc */
4731#define PERL_SCAN_SILENT_ILLDIGIT 0x04 /* grok_??? not warn about illegal digits */
4732/* Output flags: */
4733#define PERL_SCAN_GREATER_THAN_UV_MAX 0x02 /* should this merge with above? */
4734
4735/* to let user control profiling */
4736#ifdef PERL_GPROF_CONTROL
4737extern void moncontrol(int);
4738#define PERL_GPROF_MONCONTROL(x) moncontrol(x)
4739#else
4740#define PERL_GPROF_MONCONTROL(x)
4741#endif
4742
4743#ifdef UNDER_CE
4744#include "wince.h"
4745#endif
4746
4747/* ISO 6429 NEL - C1 control NExt Line */
4748/* See http://www.unicode.org/unicode/reports/tr13/ */
4749#ifdef EBCDIC /* In EBCDIC NEL is just an alias for LF */
4750# if '^' == 95 /* CP 1047: MVS OpenEdition - OS/390 - z/OS */
4751# define NEXT_LINE_CHAR 0x15
4752# else /* CDRA */
4753# define NEXT_LINE_CHAR 0x25
4754# endif
4755#else
4756# define NEXT_LINE_CHAR 0x85
4757#endif
4758
4759/* The UTF-8 bytes of the Unicode LS and PS, U+2028 and U+2029 */
4760#define UNICODE_LINE_SEPA_0 0xE2
4761#define UNICODE_LINE_SEPA_1 0x80
4762#define UNICODE_LINE_SEPA_2 0xA8
4763#define UNICODE_PARA_SEPA_0 0xE2
4764#define UNICODE_PARA_SEPA_1 0x80
4765#define UNICODE_PARA_SEPA_2 0xA9
4766
4767#ifndef PIPESOCK_MODE
4768# define PIPESOCK_MODE
4769#endif
4770
4771#ifndef SOCKET_OPEN_MODE
4772# define SOCKET_OPEN_MODE PIPESOCK_MODE
4773#endif
4774
4775#ifndef PIPE_OPEN_MODE
4776# define PIPE_OPEN_MODE PIPESOCK_MODE
4777#endif
4778
4779#define PERL_MAGIC_UTF8_CACHESIZE 2
4780
4781#define PERL_UNICODE_STDIN_FLAG 0x0001
4782#define PERL_UNICODE_STDOUT_FLAG 0x0002
4783#define PERL_UNICODE_STDERR_FLAG 0x0004
4784#define PERL_UNICODE_IN_FLAG 0x0008
4785#define PERL_UNICODE_OUT_FLAG 0x0010
4786#define PERL_UNICODE_ARGV_FLAG 0x0020
4787#define PERL_UNICODE_LOCALE_FLAG 0x0040
4788#define PERL_UNICODE_WIDESYSCALLS_FLAG 0x0080 /* for Sarathy */
4789
4790#define PERL_UNICODE_STD_FLAG \
4791 (PERL_UNICODE_STDIN_FLAG | \
4792 PERL_UNICODE_STDOUT_FLAG | \
4793 PERL_UNICODE_STDERR_FLAG)
4794
4795#define PERL_UNICODE_INOUT_FLAG \
4796 (PERL_UNICODE_IN_FLAG | \
4797 PERL_UNICODE_OUT_FLAG)
4798
4799#define PERL_UNICODE_DEFAULT_FLAGS \
4800 (PERL_UNICODE_STD_FLAG | \
4801 PERL_UNICODE_INOUT_FLAG | \
4802 PERL_UNICODE_LOCALE_FLAG)
4803
4804#define PERL_UNICODE_ALL_FLAGS 0x00ff
4805
4806#define PERL_UNICODE_STDIN 'I'
4807#define PERL_UNICODE_STDOUT 'O'
4808#define PERL_UNICODE_STDERR 'E'
4809#define PERL_UNICODE_STD 'S'
4810#define PERL_UNICODE_IN 'i'
4811#define PERL_UNICODE_OUT 'o'
4812#define PERL_UNICODE_INOUT 'D'
4813#define PERL_UNICODE_ARGV 'A'
4814#define PERL_UNICODE_LOCALE 'L'
4815#define PERL_UNICODE_WIDESYSCALLS 'W'
4816
4817#define PERL_SIGNALS_UNSAFE_FLAG 0x0001
4818
4819/* From sigaction(2) (FreeBSD man page):
4820 * | Signal routines normally execute with the signal that
4821 * | caused their invocation blocked, but other signals may
4822 * | yet occur.
4823 * Emulation of this behavior (from within Perl) is enabled
4824 * by defining PERL_BLOCK_SIGNALS.
4825 */
4826#define PERL_BLOCK_SIGNALS
4827
4828#if defined(HAS_SIGPROCMASK) && defined(PERL_BLOCK_SIGNALS)
4829# define PERL_BLOCKSIG_ADD(set,sig) \
4830 sigset_t set; sigemptyset(&(set)); sigaddset(&(set), sig)
4831# define PERL_BLOCKSIG_BLOCK(set) \
4832 sigprocmask(SIG_BLOCK, &(set), NULL)
4833# define PERL_BLOCKSIG_UNBLOCK(set) \
4834 sigprocmask(SIG_UNBLOCK, &(set), NULL)
4835#endif /* HAS_SIGPROCMASK && PERL_BLOCK_SIGNALS */
4836
4837/* How about the old style of sigblock()? */
4838
4839#ifndef PERL_BLOCKSIG_ADD
4840# define PERL_BLOCKSIG_ADD(set, sig) NOOP
4841#endif
4842#ifndef PERL_BLOCKSIG_BLOCK
4843# define PERL_BLOCKSIG_BLOCK(set) NOOP
4844#endif
4845#ifndef PERL_BLOCKSIG_UNBLOCK
4846# define PERL_BLOCKSIG_UNBLOCK(set) NOOP
4847#endif
4848
4849/* Use instead of abs() since abs() forces its argument to be an int,
4850 * but also beware since this evaluates its argument twice, so no x++. */
4851#define PERL_ABS(x) ((x) < 0 ? -(x) : (x))
4852
4853#if defined(__DECC) && defined(__osf__)
4854#pragma message disable (mainparm) /* Perl uses the envp in main(). */
4855#endif
4856
4857/* and finally... */
4858#define PERL_PATCHLEVEL_H_IMPLICIT
4859#include "patchlevel.h"
4860#undef PERL_PATCHLEVEL_H_IMPLICIT
4861
4862/* Mention
4863
4864 NV_PRESERVES_UV
4865
4866 HAS_MKSTEMP
4867 HAS_MKSTEMPS
4868 HAS_MKDTEMP
4869
4870 HAS_GETCWD
4871
4872 HAS_MMAP
4873 HAS_MPROTECT
4874 HAS_MSYNC
4875 HAS_MADVISE
4876 HAS_MUNMAP
4877 I_SYSMMAN
4878 Mmap_t
4879
4880 NVef
4881 NVff
4882 NVgf
4883
4884 HAS_UALARM
4885 HAS_USLEEP
4886
4887 HAS_SETITIMER
4888 HAS_GETITIMER
4889
4890 HAS_SENDMSG
4891 HAS_RECVMSG
4892 HAS_READV
4893 HAS_WRITEV
4894 I_SYSUIO
4895 HAS_STRUCT_MSGHDR
4896 HAS_STRUCT_CMSGHDR
4897
4898 HAS_NL_LANGINFO
4899
4900 HAS_DIRFD
4901
4902 so that Configure picks them up. */
4903
4904/* Source code compatibility cruft:
4905 PERL_XS_APIVERSION is not used, and has been superseded by inc_version_list
4906 It and PERL_PM_APIVERSION are retained for source compatibility in the
4907 5.8.x maintenance branch.
4908 */
4909
4910#define PERL_XS_APIVERSION "5.8.3"
4911#define PERL_PM_APIVERSION "5.005"
4912
4913#endif /* Include guard */
4914
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