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Move init of global mutexes/cond vars earlier.
[p5sagit/p5-mst-13.2.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
9607fc9c 3 * Copyright (c) 1987-1997, Larry Wall
a687059c 4 *
352d5a3a 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
85e6fe83 9#ifndef H_PERL
10#define H_PERL 1
a0d0e21e 11#define OVERLOAD
8d063cd8 12
760ac839 13#ifdef PERL_FOR_X2P
14/*
15 * This file is being used for x2p stuff.
16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
17 * Decouple x2p stuff from some of perls more extreme eccentricities.
18 */
760ac839 19#undef EMBED
55497cff 20#undef NO_EMBED
21#define NO_EMBED
22#undef MULTIPLICITY
760ac839 23#undef USE_STDIO
24#define USE_STDIO
25#endif /* PERL_FOR_X2P */
26
71be2cbc 27#define VOIDUSED 1
28#include "config.h"
29
30#include "embed.h"
31
462e5cf6 32#ifdef OP_IN_REGISTER
33# ifdef __GNUC__
34# define stringify_immed(s) #s
35# define stringify(s) stringify_immed(s)
36register struct op *op asm(stringify(OP_IN_REGISTER));
37# endif
38#endif
39
728e2803 40/*
41 * STMT_START { statements; } STMT_END;
42 * can be used as a single statement, as in
43 * if (x) STMT_START { ... } STMT_END; else ...
44 *
45 * Trying to select a version that gives no warnings...
46 */
47#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 48# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 49# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
50# define STMT_END )
51# else
52 /* Now which other defined()s do we need here ??? */
53# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
54# define STMT_START if (1)
55# define STMT_END else (void)0
56# else
57# define STMT_START do
58# define STMT_END while (0)
59# endif
60# endif
61#endif
62
462e5cf6 63#define NOOP (void)0
64
0f15f207 65#define WITH_THR(s) do { dTHR; s; } while (0)
11343788 66#ifdef USE_THREADS
12ca11f6 67#ifdef FAKE_THREADS
68#include "fakethr.h"
69#else
11343788 70#include <pthread.h>
12ca11f6 71typedef pthread_mutex_t perl_mutex;
72typedef pthread_cond_t perl_cond;
0f15f207 73typedef pthread_key_t perl_key;
12ca11f6 74#endif /* FAKE_THREADS */
75#endif /* USE_THREADS */
11343788 76
55497cff 77/*
78 * SOFT_CAST can be used for args to prototyped functions to retain some
79 * type checking; it only casts if the compiler does not know prototypes.
80 */
81#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
82#define SOFT_CAST(type)
83#else
84#define SOFT_CAST(type) (type)
85#endif
79072805 86
87#ifndef BYTEORDER
88# define BYTEORDER 0x1234
89#endif
90
91/* Overall memory policy? */
92#ifndef CONSERVATIVE
93# define LIBERAL 1
94#endif
95
96/*
97 * The following contortions are brought to you on behalf of all the
98 * standards, semi-standards, de facto standards, not-so-de-facto standards
99 * of the world, as well as all the other botches anyone ever thought of.
100 * The basic theory is that if we work hard enough here, the rest of the
101 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
102 */
ac58e20f 103
ee0007ab 104/* define this once if either system, instead of cluttering up the src */
68dc0745 105#if defined(MSDOS) || defined(atarist) || defined(WIN32)
ee0007ab 106#define DOSISH 1
107#endif
108
a0d0e21e 109#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
352d5a3a 110# define STANDARD_C 1
111#endif
112
68dc0745 113#if defined(__cplusplus) || defined(WIN32)
114# define DONT_DECLARE_STD 1
115#endif
116
352d5a3a 117#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 118# ifdef __cplusplus
119# define VOL // to temporarily suppress warnings
120# else
121# define VOL volatile
122# endif
663a0e37 123#else
79072805 124# define VOL
663a0e37 125#endif
126
bbce6d69 127#define TAINT (tainted = TRUE)
128#define TAINT_NOT (tainted = FALSE)
129#define TAINT_IF(c) if (c) { tainted = TRUE; }
130#define TAINT_ENV() if (tainting) { taint_env(); }
131#define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
a687059c 132
a6e633de 133/* XXX All process group stuff is handled in pp_sys.c. Should these
134 defines move there? If so, I could simplify this a lot. --AD 9/96.
135*/
136/* Process group stuff changed from traditional BSD to POSIX.
137 perlfunc.pod documents the traditional BSD-style syntax, so we'll
138 try to preserve that, if possible.
139*/
140#ifdef HAS_SETPGID
141# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 142#else
a6e633de 143# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
144# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
145# else
146# ifdef HAS_SETPGRP2 /* DG/UX */
147# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
148# endif
149# endif
150#endif
151#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
152# define HAS_SETPGRP /* Well, effectively it does . . . */
153#endif
154
155/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
156 our life easier :-) so we'll try it.
157*/
158#ifdef HAS_GETPGID
159# define BSD_GETPGRP(pid) getpgid((pid))
160#else
161# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
162# define BSD_GETPGRP(pid) getpgrp((pid))
163# else
164# ifdef HAS_GETPGRP2 /* DG/UX */
165# define BSD_GETPGRP(pid) getpgrp2((pid))
166# endif
167# endif
168#endif
169#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
170# define HAS_GETPGRP /* Well, effectively it does . . . */
171#endif
172
173/* These are not exact synonyms, since setpgrp() and getpgrp() may
174 have different behaviors, but perl.h used to define USE_BSDPGRP
175 (prior to 5.003_05) so some extension might depend on it.
176*/
177#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
178# ifndef USE_BSDPGRP
179# define USE_BSDPGRP
180# endif
663a0e37 181#endif
182
760ac839 183#ifndef _TYPES_ /* If types.h defines this it's easy. */
184# ifndef major /* Does everyone's types.h define this? */
185# include <sys/types.h>
c07a80fd 186# endif
663a0e37 187#endif
188
760ac839 189#ifdef __cplusplus
190# ifndef I_STDARG
191# define I_STDARG 1
192# endif
193#endif
194
195#ifdef I_STDARG
196# include <stdarg.h>
197#else
198# ifdef I_VARARGS
199# include <varargs.h>
200# endif
201#endif
202
203#include "perlio.h"
0c30d9ec 204
4633a7c4 205#ifdef USE_NEXT_CTYPE
0c30d9ec 206
207#if NX_CURRENT_COMPILER_RELEASE >= 400
208#include <objc/NXCType.h>
209#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
a0d0e21e 210#include <appkit/NXCType.h>
0c30d9ec 211#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
212
213#else /* !USE_NEXT_CTYPE */
fe14fcc3 214#include <ctype.h>
0c30d9ec 215#endif /* USE_NEXT_CTYPE */
a0d0e21e 216
217#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
218#undef METHOD
a0d0e21e 219#endif
220
4633a7c4 221#ifdef I_LOCALE
36477c24 222# include <locale.h>
4633a7c4 223#endif
224
36477c24 225#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
226# define USE_LOCALE
227# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
228 && defined(HAS_STRXFRM)
229# define USE_LOCALE_COLLATE
230# endif
231# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
232# define USE_LOCALE_CTYPE
233# endif
234# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
235# define USE_LOCALE_NUMERIC
236# endif
237#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 238
fe14fcc3 239#include <setjmp.h>
79072805 240
a0d0e21e 241#ifdef I_SYS_PARAM
79072805 242# ifdef PARAM_NEEDS_TYPES
243# include <sys/types.h>
244# endif
245# include <sys/param.h>
352d5a3a 246#endif
79072805 247
248
249/* Use all the "standard" definitions? */
a0d0e21e 250#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 251# include <stdlib.h>
ff68c719 252#endif
03a14243 253
55497cff 254/* This comes after <stdlib.h> so we don't try to change the standard
255 * library prototypes; we'll use our own in proto.h instead. */
03a14243 256
4633a7c4 257#ifdef MYMALLOC
55497cff 258
4633a7c4 259# ifdef HIDEMYMALLOC
55497cff 260# define malloc Mymalloc
261# define calloc Mycalloc
4633a7c4 262# define realloc Myremalloc
55497cff 263# define free Myfree
264# endif
265# ifdef EMBEDMYMALLOC
266# define malloc Perl_malloc
267# define calloc Perl_calloc
268# define realloc Perl_realloc
269# define free Perl_free
4633a7c4 270# endif
55497cff 271
272# undef safemalloc
273# undef safecalloc
274# undef saferealloc
275# undef safefree
276# define safemalloc malloc
277# define safecalloc calloc
4633a7c4 278# define saferealloc realloc
55497cff 279# define safefree free
280
281#endif /* MYMALLOC */
4633a7c4 282
a0d0e21e 283#define MEM_SIZE Size_t
284
ff68c719 285#if defined(STANDARD_C) && defined(I_STDDEF)
286# include <stddef.h>
71be2cbc 287# define STRUCT_OFFSET(s,m) offsetof(s,m)
ff68c719 288#else
71be2cbc 289# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
ff68c719 290#endif
291
a0d0e21e 292#if defined(I_STRING) || defined(__cplusplus)
293# include <string.h>
294#else
295# include <strings.h>
296#endif
297
298#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
299#define strchr index
300#define strrchr rindex
301#endif
302
16d20bd9 303#ifdef I_MEMORY
304# include <memory.h>
305#endif
306
fe14fcc3 307#ifdef HAS_MEMCPY
85e6fe83 308# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 309# ifndef memcpy
a0d0e21e 310 extern char * memcpy _((char*, char*, int));
ee0007ab 311# endif
312# endif
313#else
314# ifndef memcpy
315# ifdef HAS_BCOPY
316# define memcpy(d,s,l) bcopy(s,d,l)
317# else
318# define memcpy(d,s,l) my_bcopy(s,d,l)
319# endif
320# endif
321#endif /* HAS_MEMCPY */
fe14fcc3 322
ee0007ab 323#ifdef HAS_MEMSET
85e6fe83 324# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 325# ifndef memset
a0d0e21e 326 extern char *memset _((char*, int, int));
ee0007ab 327# endif
328# endif
ee0007ab 329#else
fc36a67e 330# define memset(d,c,l) my_memset(d,c,l)
ee0007ab 331#endif /* HAS_MEMSET */
332
85e6fe83 333#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 334# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805 335# define memmove(d,s,l) bcopy(s,d,l)
336# else
2304df62 337# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 338# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 339# else
79072805 340# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 341# endif
352d5a3a 342# endif
d9d8d8de 343#endif
ee0007ab 344
36477c24 345#if defined(mips) && defined(ultrix) && !defined(__STDC__)
346# undef HAS_MEMCMP
347#endif
348
349#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 350# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 351# ifndef memcmp
a0d0e21e 352 extern int memcmp _((char*, char*, int));
ee0007ab 353# endif
354# endif
36477c24 355# ifdef BUGGY_MSC
356 # pragma function(memcmp)
357# endif
ee0007ab 358#else
359# ifndef memcmp
ecfc5424 360# define memcmp my_memcmp
352d5a3a 361# endif
36477c24 362#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 363
fc36a67e 364#ifndef memzero
c635e13b 365# ifdef HAS_MEMSET
366# define memzero(d,l) memset(d,0,l)
79072805 367# else
c635e13b 368# ifdef HAS_BZERO
369# define memzero(d,l) bzero(d,l)
79072805 370# else
fc36a67e 371# define memzero(d,l) my_bzero(d,l)
79072805 372# endif
373# endif
d9d8d8de 374#endif
378cc40b 375
36477c24 376#ifndef HAS_BCMP
377# ifndef bcmp
378# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 379# endif
36477c24 380#endif /* !HAS_BCMP */
378cc40b 381
ae986130 382#ifdef I_NETINET_IN
79072805 383# include <netinet/in.h>
ae986130 384#endif
385
1aef975c 386#ifdef I_SYS_STAT
8d063cd8 387#include <sys/stat.h>
1aef975c 388#endif
79072805 389
a0d0e21e 390/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
391 like UTekV) are broken, sometimes giving false positives. Undefine
392 them here and let the code below set them to proper values.
393
394 The ghs macro stands for GreenHills Software C-1.8.5 which
395 is the C compiler for sysV88 and the various derivatives.
396 This header file bug is corrected in gcc-2.5.8 and later versions.
397 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
398
399#if defined(uts) || (defined(m88k) && defined(ghs))
79072805 400# undef S_ISDIR
401# undef S_ISCHR
402# undef S_ISBLK
403# undef S_ISREG
404# undef S_ISFIFO
405# undef S_ISLNK
ee0007ab 406#endif
135863df 407
663a0e37 408#ifdef I_TIME
409# include <time.h>
ffed7fef 410#endif
663a0e37 411
fe14fcc3 412#ifdef I_SYS_TIME
85e6fe83 413# ifdef I_SYS_TIME_KERNEL
663a0e37 414# define KERNEL
415# endif
416# include <sys/time.h>
85e6fe83 417# ifdef I_SYS_TIME_KERNEL
663a0e37 418# undef KERNEL
419# endif
a687059c 420#endif
135863df 421
55497cff 422#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 423# include <sys/times.h>
d9d8d8de 424#endif
8d063cd8 425
fe14fcc3 426#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 427# undef HAS_STRERROR
663a0e37 428#endif
429
a0d0e21e 430#ifndef HAS_MKFIFO
431# ifndef mkfifo
432# define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
433# endif
434#endif /* !HAS_MKFIFO */
435
663a0e37 436#include <errno.h>
ed6116ce 437#ifdef HAS_SOCKET
85e6fe83 438# ifdef I_NET_ERRNO
ed6116ce 439# include <net/errno.h>
440# endif
441#endif
f86702cc 442
443#ifdef VMS
444# define SETERRNO(errcode,vmserrcode) \
445 STMT_START { \
446 set_errno(errcode); \
447 set_vaxc_errno(vmserrcode); \
448 } STMT_END
748a9306 449#else
f86702cc 450# define SETERRNO(errcode,vmserrcode) errno = (errcode)
748a9306 451#endif
ed6116ce 452
55497cff 453#ifndef errno
79072805 454 extern int errno; /* ANSI allows errno to be an lvalue expr */
d9d8d8de 455#endif
663a0e37 456
2304df62 457#ifdef HAS_STRERROR
a0d0e21e 458# ifdef VMS
459 char *strerror _((int,...));
460# else
68dc0745 461#ifndef DONT_DECLARE_STD
a0d0e21e 462 char *strerror _((int));
68dc0745 463#endif
a0d0e21e 464# endif
2304df62 465# ifndef Strerror
466# define Strerror strerror
467# endif
468#else
469# ifdef HAS_SYS_ERRLIST
79072805 470 extern int sys_nerr;
471 extern char *sys_errlist[];
2304df62 472# ifndef Strerror
473# define Strerror(e) \
79072805 474 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 475# endif
79072805 476# endif
35c8bce7 477#endif
663a0e37 478
2304df62 479#ifdef I_SYS_IOCTL
79072805 480# ifndef _IOCTL_
481# include <sys/ioctl.h>
482# endif
a687059c 483#endif
484
ee0007ab 485#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805 486# ifdef HAS_SOCKETPAIR
487# undef HAS_SOCKETPAIR
488# endif
2304df62 489# ifdef I_NDBM
490# undef I_NDBM
79072805 491# endif
a687059c 492#endif
493
a687059c 494#if INTSIZE == 2
79072805 495# define htoni htons
496# define ntohi ntohs
a687059c 497#else
79072805 498# define htoni htonl
499# define ntohi ntohl
a687059c 500#endif
501
a0d0e21e 502/* Configure already sets Direntry_t */
35c8bce7 503#if defined(I_DIRENT)
663a0e37 504# include <dirent.h>
a0d0e21e 505# if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
506# include <sys/dir.h>
507# endif
ae986130 508#else
fe14fcc3 509# ifdef I_SYS_NDIR
79a0689e 510# include <sys/ndir.h>
663a0e37 511# else
fe14fcc3 512# ifdef I_SYS_DIR
79a0689e 513# ifdef hp9000s500
514# include <ndir.h> /* may be wrong in the future */
515# else
516# include <sys/dir.h>
517# endif
663a0e37 518# endif
519# endif
4633a7c4 520#endif
a687059c 521
352d5a3a 522#ifdef FPUTS_BOTCH
523/* work around botch in SunOS 4.0.1 and 4.0.2 */
524# ifndef fputs
79072805 525# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a 526# endif
527#endif
528
c623bd54 529/*
530 * The following gobbledygook brought to you on behalf of __STDC__.
531 * (I could just use #ifndef __STDC__, but this is more bulletproof
532 * in the face of half-implementations.)
533 */
534
535#ifndef S_IFMT
536# ifdef _S_IFMT
537# define S_IFMT _S_IFMT
538# else
539# define S_IFMT 0170000
540# endif
541#endif
542
543#ifndef S_ISDIR
544# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
545#endif
546
547#ifndef S_ISCHR
548# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
549#endif
550
551#ifndef S_ISBLK
fe14fcc3 552# ifdef S_IFBLK
553# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
554# else
555# define S_ISBLK(m) (0)
556# endif
c623bd54 557#endif
558
559#ifndef S_ISREG
560# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
561#endif
562
563#ifndef S_ISFIFO
fe14fcc3 564# ifdef S_IFIFO
565# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
566# else
567# define S_ISFIFO(m) (0)
568# endif
c623bd54 569#endif
570
571#ifndef S_ISLNK
572# ifdef _S_ISLNK
573# define S_ISLNK(m) _S_ISLNK(m)
574# else
575# ifdef _S_IFLNK
576# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
577# else
578# ifdef S_IFLNK
579# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
580# else
581# define S_ISLNK(m) (0)
582# endif
583# endif
584# endif
585#endif
586
587#ifndef S_ISSOCK
588# ifdef _S_ISSOCK
589# define S_ISSOCK(m) _S_ISSOCK(m)
590# else
591# ifdef _S_IFSOCK
592# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
593# else
594# ifdef S_IFSOCK
595# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
596# else
597# define S_ISSOCK(m) (0)
598# endif
599# endif
600# endif
601#endif
602
603#ifndef S_IRUSR
604# ifdef S_IREAD
605# define S_IRUSR S_IREAD
606# define S_IWUSR S_IWRITE
607# define S_IXUSR S_IEXEC
608# else
609# define S_IRUSR 0400
610# define S_IWUSR 0200
611# define S_IXUSR 0100
612# endif
613# define S_IRGRP (S_IRUSR>>3)
614# define S_IWGRP (S_IWUSR>>3)
615# define S_IXGRP (S_IXUSR>>3)
616# define S_IROTH (S_IRUSR>>6)
617# define S_IWOTH (S_IWUSR>>6)
618# define S_IXOTH (S_IXUSR>>6)
619#endif
620
621#ifndef S_ISUID
622# define S_ISUID 04000
623#endif
624
625#ifndef S_ISGID
626# define S_ISGID 02000
627#endif
628
79072805 629#ifdef ff_next
630# undef ff_next
352d5a3a 631#endif
632
a0d0e21e 633#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa 634# define SLOPPYDIVIDE
635#endif
636
748a9306 637#ifdef UV
638#undef UV
639#endif
640
27d4fb96 641/* XXX QUAD stuff is not currently supported on most systems.
642 Specifically, perl internals don't support long long. Among
643 the many problems is that some compilers support long long,
644 but the underlying library functions (such as sprintf) don't.
645 Some things do work (such as quad pack/unpack on convex);
646 also some systems use long long for the fpos_t typedef. That
647 seems to work too.
648
649 The IV type is supposed to be long enough to hold any integral
650 value or a pointer.
651 --Andy Dougherty August 1996
652*/
653
f86702cc 654#ifdef cray
655# define Quad_t int
656#else
657# ifdef convex
658# define Quad_t long long
45d8adaa 659# else
ff0cee69 660# if BYTEORDER > 0xFFFF
ecfc5424 661# define Quad_t long
45d8adaa 662# endif
663# endif
f86702cc 664#endif
665
666#ifdef Quad_t
667# define HAS_QUAD
748a9306 668 typedef Quad_t IV;
669 typedef unsigned Quad_t UV;
27d4fb96 670# define IV_MAX PERL_QUAD_MAX
671# define IV_MIN PERL_QUAD_MIN
672# define UV_MAX PERL_UQUAD_MAX
673# define UV_MIN PERL_UQUAD_MIN
79072805 674#else
748a9306 675 typedef long IV;
676 typedef unsigned long UV;
27d4fb96 677# define IV_MAX PERL_LONG_MAX
678# define IV_MIN PERL_LONG_MIN
679# define UV_MAX PERL_ULONG_MAX
680# define UV_MIN PERL_ULONG_MIN
79072805 681#endif
682
760ac839 683/* Previously these definitions used hardcoded figures.
684 * It is hoped these formula are more portable, although
685 * no data one way or another is presently known to me.
686 * The "PERL_" names are used because these calculated constants
687 * do not meet the ANSI requirements for LONG_MAX, etc., which
688 * need to be constants acceptable to #if - kja
689 * define PERL_LONG_MAX 2147483647L
690 * define PERL_LONG_MIN (-LONG_MAX - 1)
691 * define PERL ULONG_MAX 4294967295L
692 */
693
694#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
695# include <limits.h>
696#else
697#ifdef I_VALUES
698# include <values.h>
699#endif
700#endif
701
99abf803 702/*
703 * Try to figure out max and min values for the integral types. THE CORRECT
704 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
705 * following hacks are used if neither limits.h or values.h provide them:
706 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
707 * for types < int: (unsigned TYPE)~(unsigned)0
708 * The argument to ~ must be unsigned so that later signed->unsigned
709 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
710 * and it must not be smaller than int because ~ does integral promotion.
711 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
712 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
713 * The latter is a hack which happens to work on some machines but
714 * does *not* catch any random system, or things like integer types
715 * with NaN if that is possible.
716 *
717 * All of the types are explicitly cast to prevent accidental loss of
718 * numeric range, and in the hope that they will be less likely to confuse
719 * over-eager optimizers.
720 *
721 */
27d4fb96 722
99abf803 723#define PERL_UCHAR_MIN ((unsigned char)0)
724
725#ifdef UCHAR_MAX
726# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 727#else
99abf803 728# ifdef MAXUCHAR
729# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 730# else
99abf803 731# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 732# endif
733#endif
99abf803 734
735/*
736 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
737 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
738 * depending on local options. Until Configure detects this (or at least
739 * detects whether the "signed" keyword is available) the CHAR ranges
740 * will not be included. UCHAR functions normally.
741 * - kja
742 */
27d4fb96 743
99abf803 744#define PERL_USHORT_MIN ((unsigned short)0)
745
746#ifdef USHORT_MAX
747# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 748#else
99abf803 749# ifdef MAXUSHORT
750# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 751# else
99abf803 752# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
27d4fb96 753# endif
754#endif
755
27d4fb96 756#ifdef SHORT_MAX
99abf803 757# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 758#else
759# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 760# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 761# else
99abf803 762# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
27d4fb96 763# endif
764#endif
765
766#ifdef SHORT_MIN
99abf803 767# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 768#else
769# ifdef MINSHORT
99abf803 770# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 771# else
772# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
773# endif
774#endif
775
99abf803 776#ifdef UINT_MAX
777# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 778#else
99abf803 779# ifdef MAXUINT
780# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 781# else
99abf803 782# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 783# endif
784#endif
785
99abf803 786#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 787
788#ifdef INT_MAX
99abf803 789# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 790#else
791# ifdef MAXINT /* Often used in <values.h> */
99abf803 792# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 793# else
99abf803 794# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 795# endif
796#endif
797
798#ifdef INT_MIN
99abf803 799# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 800#else
801# ifdef MININT
99abf803 802# define PERL_INT_MIN ((int)MININT)
27d4fb96 803# else
804# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
805# endif
806#endif
807
99abf803 808#ifdef ULONG_MAX
809# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 810#else
99abf803 811# ifdef MAXULONG
812# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 813# else
99abf803 814# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 815# endif
816#endif
817
99abf803 818#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 819
760ac839 820#ifdef LONG_MAX
99abf803 821# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839 822#else
823# ifdef MAXLONG /* Often used in <values.h> */
99abf803 824# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 825# else
99abf803 826# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839 827# endif
828#endif
829
830#ifdef LONG_MIN
99abf803 831# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839 832#else
833# ifdef MINLONG
99abf803 834# define PERL_LONG_MIN ((long)MINLONG)
760ac839 835# else
27d4fb96 836# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839 837# endif
838#endif
839
99abf803 840#ifdef HAS_QUAD
841
842# ifdef UQUAD_MAX
843# define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
760ac839 844# else
99abf803 845# define PERL_UQUAD_MAX (~(UV)0)
760ac839 846# endif
760ac839 847
99abf803 848# define PERL_UQUAD_MIN ((UV)0)
27d4fb96 849
27d4fb96 850# ifdef QUAD_MAX
99abf803 851# define PERL_QUAD_MAX ((IV)QUAD_MAX)
27d4fb96 852# else
99abf803 853# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
27d4fb96 854# endif
855
856# ifdef QUAD_MIN
99abf803 857# define PERL_QUAD_MIN ((IV)QUAD_MIN)
27d4fb96 858# else
a6e633de 859# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 860# endif
861
79072805 862#endif
863
72aaf631 864/* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
865#if defined(__osf__)
866# define CONTEXT PERL_CONTEXT
462e5cf6 867#endif
868
ee0007ab 869typedef MEM_SIZE STRLEN;
450a55e4 870
79072805 871typedef struct op OP;
872typedef struct cop COP;
873typedef struct unop UNOP;
874typedef struct binop BINOP;
875typedef struct listop LISTOP;
876typedef struct logop LOGOP;
877typedef struct condop CONDOP;
878typedef struct pmop PMOP;
879typedef struct svop SVOP;
880typedef struct gvop GVOP;
881typedef struct pvop PVOP;
79072805 882typedef struct loop LOOP;
883
884typedef struct Outrec Outrec;
93a17b20 885typedef struct interpreter PerlInterpreter;
3e3baf6d 886#ifndef __BORLANDC__
887typedef struct ff FF; /* XXX not defined anywhere, should go? */
888#endif
79072805 889typedef struct sv SV;
890typedef struct av AV;
891typedef struct hv HV;
892typedef struct cv CV;
378cc40b 893typedef struct regexp REGEXP;
79072805 894typedef struct gp GP;
0c30d9ec 895typedef struct gv GV;
8990e307 896typedef struct io IO;
79072805 897typedef struct context CONTEXT;
898typedef struct block BLOCK;
899
900typedef struct magic MAGIC;
ed6116ce 901typedef struct xrv XRV;
79072805 902typedef struct xpv XPV;
903typedef struct xpviv XPVIV;
ff68c719 904typedef struct xpvuv XPVUV;
79072805 905typedef struct xpvnv XPVNV;
906typedef struct xpvmg XPVMG;
907typedef struct xpvlv XPVLV;
908typedef struct xpvav XPVAV;
909typedef struct xpvhv XPVHV;
910typedef struct xpvgv XPVGV;
911typedef struct xpvcv XPVCV;
912typedef struct xpvbm XPVBM;
913typedef struct xpvfm XPVFM;
8990e307 914typedef struct xpvio XPVIO;
79072805 915typedef struct mgvtbl MGVTBL;
916typedef union any ANY;
8d063cd8 917
378cc40b 918#include "handy.h"
a0d0e21e 919
16d20bd9 920typedef I32 (*filter_t) _((int, SV *, int));
921#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
922#define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
923#define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
924
748a9306 925#ifdef DOSISH
4633a7c4 926# if defined(OS2)
927# include "os2ish.h"
928# else
748a9306 929# include "dosish.h"
4633a7c4 930# endif
a0d0e21e 931#else
748a9306 932# if defined(VMS)
933# include "vmsish.h"
934# else
0c30d9ec 935# if defined(PLAN9)
936# include "./plan9/plan9ish.h"
937# else
938# include "unixish.h"
939# endif
748a9306 940# endif
941#endif
3fc1aec6 942
68dc0745 943#ifdef VMS
944# define STATUS_NATIVE statusvalue_vms
945# define STATUS_NATIVE_EXPORT \
946 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
947# define STATUS_NATIVE_SET(n) \
948 STMT_START { \
949 statusvalue_vms = (n); \
950 if ((I32)statusvalue_vms == -1) \
951 statusvalue = -1; \
952 else if (statusvalue_vms & STS$M_SUCCESS) \
953 statusvalue = 0; \
954 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
955 statusvalue = 1 << 8; \
956 else \
957 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
958 } STMT_END
959# define STATUS_POSIX statusvalue
960# ifdef VMSISH_STATUS
961# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
962# else
963# define STATUS_CURRENT STATUS_POSIX
964# endif
965# define STATUS_POSIX_SET(n) \
966 STMT_START { \
967 statusvalue = (n); \
968 if (statusvalue != -1) { \
969 statusvalue &= 0xFFFF; \
970 statusvalue_vms = statusvalue ? 44 : 1; \
971 } \
972 else statusvalue_vms = -1; \
973 } STMT_END
974# define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
975# define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
976#else
977# define STATUS_NATIVE STATUS_POSIX
978# define STATUS_NATIVE_EXPORT STATUS_POSIX
979# define STATUS_NATIVE_SET STATUS_POSIX_SET
980# define STATUS_POSIX statusvalue
981# define STATUS_POSIX_SET(n) \
982 STMT_START { \
983 statusvalue = (n); \
984 if (statusvalue != -1) \
985 statusvalue &= 0xFFFF; \
986 } STMT_END
987# define STATUS_CURRENT STATUS_POSIX
988# define STATUS_ALL_SUCCESS (statusvalue = 0)
989# define STATUS_ALL_FAILURE (statusvalue = 1)
990#endif
991
3fc1aec6 992/* Some unistd.h's give a prototype for pause() even though
993 HAS_PAUSE ends up undefined. This causes the #define
994 below to be rejected by the compmiler. Sigh.
995*/
996#ifdef HAS_PAUSE
997#define Pause pause
998#else
999#define Pause() sleep((32767<<16)+32767)
748a9306 1000#endif
1001
1002#ifndef IOCPARM_LEN
1003# ifdef IOCPARM_MASK
1004 /* on BSDish systes we're safe */
1005# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1006# else
1007 /* otherwise guess at what's safe */
1008# define IOCPARM_LEN(x) 256
1009# endif
a0d0e21e 1010#endif
1011
79072805 1012union any {
1013 void* any_ptr;
1014 I32 any_i32;
a0d0e21e 1015 IV any_iv;
85e6fe83 1016 long any_long;
a0d0e21e 1017 void (*any_dptr) _((void*));
79072805 1018};
1019
11343788 1020#ifdef USE_THREADS
1021#define ARGSproto struct thread *
1022#else
1023#define ARGSproto void
1024#endif /* USE_THREADS */
1025
5aabfad6 1026/* Work around some cygwin32 problems with importing global symbols */
1027#if defined(CYGWIN32) && defined(DLLIMPORT)
1028# include "cw32imp.h"
1029#endif
1030
378cc40b 1031#include "regexp.h"
79072805 1032#include "sv.h"
378cc40b 1033#include "util.h"
8d063cd8 1034#include "form.h"
79072805 1035#include "gv.h"
1036#include "cv.h"
1037#include "opcode.h"
1038#include "op.h"
1039#include "cop.h"
1040#include "av.h"
1041#include "hv.h"
1042#include "mg.h"
1043#include "scope.h"
8d063cd8 1044
4633a7c4 1045/* work around some libPW problems */
1046#ifdef DOINIT
1047EXT char Error[1];
1048#endif
1049
450a55e4 1050#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c 1051# define I286
1052#endif
1053
fe14fcc3 1054#if defined(htonl) && !defined(HAS_HTONL)
1055#define HAS_HTONL
ae986130 1056#endif
fe14fcc3 1057#if defined(htons) && !defined(HAS_HTONS)
1058#define HAS_HTONS
ae986130 1059#endif
fe14fcc3 1060#if defined(ntohl) && !defined(HAS_NTOHL)
1061#define HAS_NTOHL
ae986130 1062#endif
fe14fcc3 1063#if defined(ntohs) && !defined(HAS_NTOHS)
1064#define HAS_NTOHS
ae986130 1065#endif
fe14fcc3 1066#ifndef HAS_HTONL
d9d8d8de 1067#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3 1068#define HAS_HTONS
1069#define HAS_HTONL
1070#define HAS_NTOHS
1071#define HAS_NTOHL
a687059c 1072#define MYSWAP
1073#define htons my_swap
1074#define htonl my_htonl
1075#define ntohs my_swap
1076#define ntohl my_ntohl
1077#endif
1078#else
d9d8d8de 1079#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3 1080#undef HAS_HTONS
1081#undef HAS_HTONL
1082#undef HAS_NTOHS
1083#undef HAS_NTOHL
a687059c 1084#endif
1085#endif
1086
988174c1 1087/*
1088 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1089 * -DWS
1090 */
1091#if BYTEORDER != 0x1234
1092# define HAS_VTOHL
1093# define HAS_VTOHS
1094# define HAS_HTOVL
1095# define HAS_HTOVS
1096# if BYTEORDER == 0x4321
1097# define vtohl(x) ((((x)&0xFF)<<24) \
1098 +(((x)>>24)&0xFF) \
1099 +(((x)&0x0000FF00)<<8) \
1100 +(((x)&0x00FF0000)>>8) )
1101# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1102# define htovl(x) vtohl(x)
1103# define htovs(x) vtohs(x)
1104# endif
1105 /* otherwise default to functions in util.c */
1106#endif
1107
0f85fab0 1108#ifdef CASTNEGFLOAT
79072805 1109#define U_S(what) ((U16)(what))
0f85fab0 1110#define U_I(what) ((unsigned int)(what))
79072805 1111#define U_L(what) ((U32)(what))
0f85fab0 1112#else
a6e633de 1113# ifdef __cplusplus
1114 extern "C" {
1115# endif
a0d0e21e 1116U32 cast_ulong _((double));
a6e633de 1117# ifdef __cplusplus
1118 }
1119# endif
232e078e 1120#define U_S(what) ((U16)cast_ulong((double)(what)))
1121#define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1122#define U_L(what) (cast_ulong((double)(what)))
ee0007ab 1123#endif
1124
ed6116ce 1125#ifdef CASTI32
1126#define I_32(what) ((I32)(what))
a0d0e21e 1127#define I_V(what) ((IV)(what))
5d94fbed 1128#define U_V(what) ((UV)(what))
ed6116ce 1129#else
a6e633de 1130# ifdef __cplusplus
1131 extern "C" {
1132# endif
a0d0e21e 1133I32 cast_i32 _((double));
a0d0e21e 1134IV cast_iv _((double));
5d94fbed 1135UV cast_uv _((double));
a6e633de 1136# ifdef __cplusplus
1137 }
1138# endif
1139#define I_32(what) (cast_i32((double)(what)))
1140#define I_V(what) (cast_iv((double)(what)))
5d94fbed 1141#define U_V(what) (cast_uv((double)(what)))
ed6116ce 1142#endif
1143
79072805 1144struct Outrec {
1145 I32 o_lines;
d9d8d8de 1146 char *o_str;
79072805 1147 U32 o_len;
8d063cd8 1148};
1149
352d5a3a 1150#ifndef MAXSYSFD
1151# define MAXSYSFD 2
1152#endif
ee0007ab 1153
f82b3d41 1154#ifndef TMPPATH
1155# define TMPPATH "/tmp/perl-eXXXXXX"
a0d0e21e 1156#endif
79072805 1157
1158#ifndef __cplusplus
a0d0e21e 1159Uid_t getuid _((void));
1160Uid_t geteuid _((void));
1161Gid_t getgid _((void));
1162Gid_t getegid _((void));
79072805 1163#endif
8d063cd8 1164
1165#ifdef DEBUGGING
0c30d9ec 1166#ifndef Perl_debug_log
760ac839 1167#define Perl_debug_log PerlIO_stderr()
0c30d9ec 1168#endif
d96024cf 1169#define YYDEBUG 1
79072805 1170#define DEB(a) a
1171#define DEBUG(a) if (debug) a
1172#define DEBUG_p(a) if (debug & 1) a
1173#define DEBUG_s(a) if (debug & 2) a
1174#define DEBUG_l(a) if (debug & 4) a
1175#define DEBUG_t(a) if (debug & 8) a
1176#define DEBUG_o(a) if (debug & 16) a
1177#define DEBUG_c(a) if (debug & 32) a
1178#define DEBUG_P(a) if (debug & 64) a
0c30d9ec 1179#define DEBUG_m(a) if (curinterp && debug & 128) a
79072805 1180#define DEBUG_f(a) if (debug & 256) a
1181#define DEBUG_r(a) if (debug & 512) a
1182#define DEBUG_x(a) if (debug & 1024) a
1183#define DEBUG_u(a) if (debug & 2048) a
1184#define DEBUG_L(a) if (debug & 4096) a
1185#define DEBUG_H(a) if (debug & 8192) a
1186#define DEBUG_X(a) if (debug & 16384) a
8990e307 1187#define DEBUG_D(a) if (debug & 32768) a
79072805 1188#else
1189#define DEB(a)
1190#define DEBUG(a)
1191#define DEBUG_p(a)
1192#define DEBUG_s(a)
1193#define DEBUG_l(a)
1194#define DEBUG_t(a)
1195#define DEBUG_o(a)
1196#define DEBUG_c(a)
1197#define DEBUG_P(a)
1198#define DEBUG_m(a)
1199#define DEBUG_f(a)
1200#define DEBUG_r(a)
1201#define DEBUG_x(a)
1202#define DEBUG_u(a)
1203#define DEBUG_L(a)
1204#define DEBUG_H(a)
1205#define DEBUG_X(a)
8990e307 1206#define DEBUG_D(a)
8d063cd8 1207#endif
fe14fcc3 1208#define YYMAXDEPTH 300
8d063cd8 1209
a6e633de 1210#ifndef assert /* <assert.h> might have been included somehow */
79072805 1211#define assert(what) DEB( { \
1212 if (!(what)) { \
463ee0b2 1213 croak("Assertion failed: file \"%s\", line %d", \
79072805 1214 __FILE__, __LINE__); \
1215 exit(1); \
1216 }})
a6e633de 1217#endif
8d063cd8 1218
450a55e4 1219struct ufuncs {
a0d0e21e 1220 I32 (*uf_val)_((IV, SV*));
1221 I32 (*uf_set)_((IV, SV*));
1222 IV uf_index;
450a55e4 1223};
1224
fe14fcc3 1225/* Fix these up for __STDC__ */
68dc0745 1226#ifndef DONT_DECLARE_STD
a0d0e21e 1227char *mktemp _((char*));
1228double atof _((const char*));
1229#endif
79072805 1230
352d5a3a 1231#ifndef STANDARD_C
fe14fcc3 1232/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 1233Time_t time();
8d063cd8 1234struct tm *gmtime(), *localtime();
93a17b20 1235char *strchr(), *strrchr();
378cc40b 1236char *strcpy(), *strcat();
352d5a3a 1237#endif /* ! STANDARD_C */
8d063cd8 1238
79072805 1239
1240#ifdef I_MATH
1241# include <math.h>
1242#else
1243# ifdef __cplusplus
1244 extern "C" {
1245# endif
a0d0e21e 1246 double exp _((double));
a0d0e21e 1247 double log _((double));
c635e13b 1248 double log10 _((double));
a0d0e21e 1249 double sqrt _((double));
c635e13b 1250 double frexp _((double,int*));
1251 double ldexp _((double,int));
a0d0e21e 1252 double modf _((double,double*));
1253 double sin _((double));
1254 double cos _((double));
1255 double atan2 _((double,double));
1256 double pow _((double,double));
79072805 1257# ifdef __cplusplus
1258 };
1259# endif
1260#endif
1261
a0d0e21e 1262#ifndef __cplusplus
3fc1aec6 1263#ifdef __NeXT__ /* or whatever catches all NeXTs */
1264char *crypt (); /* Maybe more hosts will need the unprototyped version */
1265#else
a0d0e21e 1266char *crypt _((const char*, const char*));
3fc1aec6 1267#endif
68dc0745 1268#ifndef DONT_DECLARE_STD
1e422769 1269#ifndef getenv
a0d0e21e 1270char *getenv _((const char*));
1e422769 1271#endif
a0d0e21e 1272Off_t lseek _((int,Off_t,int));
68dc0745 1273#endif
a0d0e21e 1274char *getlogin _((void));
1275#endif
79072805 1276
16d20bd9 1277#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 1278#define UNLINK unlnk
a0d0e21e 1279I32 unlnk _((char*));
8d063cd8 1280#else
1281#define UNLINK unlink
1282#endif
a687059c 1283
fe14fcc3 1284#ifndef HAS_SETREUID
85e6fe83 1285# ifdef HAS_SETRESUID
1286# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1287# define HAS_SETREUID
1288# endif
a687059c 1289#endif
fe14fcc3 1290#ifndef HAS_SETREGID
85e6fe83 1291# ifdef HAS_SETRESGID
1292# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1293# define HAS_SETREGID
1294# endif
a687059c 1295#endif
ee0007ab 1296
ff68c719 1297typedef Signal_t (*Sighandler_t) _((int));
1298
1299#ifdef HAS_SIGACTION
1300typedef struct sigaction Sigsave_t;
1301#else
1302typedef Sighandler_t Sigsave_t;
1303#endif
1304
ee0007ab 1305#define SCAN_DEF 0
1306#define SCAN_TR 1
1307#define SCAN_REPL 2
79072805 1308
1309#ifdef DEBUGGING
4633a7c4 1310# ifndef register
a0d0e21e 1311# define register
1312# endif
c07a80fd 1313# ifdef MYMALLOC
55497cff 1314# ifndef DEBUGGING_MSTATS
1315# define DEBUGGING_MSTATS
1316# endif
c07a80fd 1317# endif
a0d0e21e 1318# define PAD_SV(po) pad_sv(po)
2ddcc7aa 1319# define RUNOPS_DEFAULT runops_debug
79072805 1320#else
a0d0e21e 1321# define PAD_SV(po) curpad[po]
2ddcc7aa 1322# define RUNOPS_DEFAULT runops_standard
79072805 1323#endif
1324
44a0ac01 1325/*
1326 * These need prototyping here because <proto.h> isn't
1327 * included until after runops is initialised.
1328 */
1329
1330int runops_standard _((void));
1331#ifdef DEBUGGING
1332int runops_debug _((void));
1333#endif
1334
79072805 1335/****************/
1336/* Truly global */
1337/****************/
1338
1339/* global state */
a0d0e21e 1340EXT PerlInterpreter * curinterp; /* currently running interpreter */
11343788 1341#ifdef USE_THREADS
0f15f207 1342EXT perl_key thr_key; /* For per-thread struct thread ptr */
12ca11f6 1343EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1344EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1345EXT perl_mutex eval_mutex; /* Mutex for doeval */
1346EXT perl_cond eval_cond; /* Condition variable for doeval */
11343788 1347EXT struct thread * eval_owner; /* Owner thread for doeval */
1348EXT int nthreads; /* Number of threads currently */
12ca11f6 1349EXT perl_mutex nthreads_mutex; /* Mutex for nthreads */
1350EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
0f15f207 1351#ifdef FAKE_THREADS
1352EXT struct thread * thr; /* Currently executing (fake) thread */
1353#endif
11343788 1354#endif /* USE_THREADS */
1355
0c30d9ec 1356/* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1357#if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
68dc0745 1358#ifndef DONT_DECLARE_STD
79072805 1359extern char ** environ; /* environment variables supplied via exec */
a0d0e21e 1360#endif
0c30d9ec 1361#else
1362# if defined(NeXT) && defined(__DYNAMIC__)
1363
1364# include <mach-o/dyld.h>
1365EXT char *** environ_pointer;
1366# define environ (*environ_pointer)
1367# endif
1368#endif /* environ processing */
1369
79072805 1370EXT int uid; /* current real user id */
1371EXT int euid; /* current effective user id */
1372EXT int gid; /* current real group id */
1373EXT int egid; /* current effective group id */
1374EXT bool nomemok; /* let malloc context handle nomem */
1375EXT U32 an; /* malloc sequence number */
463ee0b2 1376EXT U32 cop_seqmax; /* statement sequence number */
c07a80fd 1377EXT U16 op_seqmax; /* op sequence number */
8990e307 1378EXT U32 evalseq; /* eval sequence number */
463ee0b2 1379EXT U32 sub_generation; /* inc to force methods to be looked up again */
79072805 1380EXT char ** origenviron;
1381EXT U32 origalen;
44a8e56a 1382EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
a0d0e21e 1383EXT U32 * profiledata;
84ea024a 1384EXT int maxo INIT(MAXO);/* Number of ops */
728e2803 1385EXT char * osname; /* operating system */
ff68c719 1386EXT char * sh_path INIT(SH_PATH); /* full path of shell */
c23142e2 1387EXT Sighandler_t sighandlerp;
79072805 1388
a0d0e21e 1389EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1390EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
8990e307 1391EXT double * xnv_root; /* free xnv list--shared by interpreters */
1392EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1393EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
4633a7c4 1394EXT HE * he_root; /* free he list--shared by interpreters */
c07a80fd 1395EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1396EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
8990e307 1397
79072805 1398/* Stack for currently executing thread--context switch must handle this. */
1399EXT SV ** stack_base; /* stack->array_ary */
1400EXT SV ** stack_sp; /* stack pointer now */
1401EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1402
1403/* likewise for these */
1404
462e5cf6 1405#ifdef OP_IN_REGISTER
1406EXT OP * opsave; /* save current op register across longjmps */
1407#else
1408EXT OP * op; /* current op--when not in a global register */
1409#endif
2ddcc7aa 1410EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
79072805 1411EXT I32 * scopestack; /* blocks we've entered */
1412EXT I32 scopestack_ix;
1413EXT I32 scopestack_max;
1414
1415EXT ANY* savestack; /* to save non-local values on */
1416EXT I32 savestack_ix;
1417EXT I32 savestack_max;
1418
1419EXT OP ** retstack; /* returns we've pushed */
1420EXT I32 retstack_ix;
1421EXT I32 retstack_max;
1422
1423EXT I32 * markstack; /* stackmarks we're remembering */
1424EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1425EXT I32 * markstack_max; /* stackmarks we're remembering */
1426
1427EXT SV ** curpad;
1428
1429/* temp space */
1430EXT SV * Sv;
1431EXT XPV * Xpv;
79072805 1432EXT char tokenbuf[256];
1433EXT struct stat statbuf;
ecfc5424 1434#ifdef HAS_TIMES
79072805 1435EXT struct tms timesbuf;
1436#endif
463ee0b2 1437EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
79072805 1438
1439/* for tmp use in stupid debuggers */
1440EXT int * di;
1441EXT short * ds;
1442EXT char * dc;
1443
1444/* handy constants */
71be2cbc 1445EXTCONST char * Yes INIT("1");
1446EXTCONST char * No INIT("");
1447EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1448EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1449EXTCONST char * vert INIT("|");
79072805 1450
3e3baf6d 1451EXTCONST char warn_uninit[]
a0d0e21e 1452 INIT("Use of uninitialized value");
3e3baf6d 1453EXTCONST char warn_nosemi[]
463ee0b2 1454 INIT("Semicolon seems to be missing");
3e3baf6d 1455EXTCONST char warn_reserved[]
463ee0b2 1456 INIT("Unquoted string \"%s\" may clash with future reserved word");
3e3baf6d 1457EXTCONST char warn_nl[]
93a17b20 1458 INIT("Unsuccessful %s on filename containing newline");
3e3baf6d 1459EXTCONST char no_wrongref[]
a0d0e21e 1460 INIT("Can't use %s ref as %s ref");
3e3baf6d 1461EXTCONST char no_symref[]
748a9306 1462 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
3e3baf6d 1463EXTCONST char no_usym[]
8990e307 1464 INIT("Can't use an undefined value as %s reference");
3e3baf6d 1465EXTCONST char no_aelem[]
93a17b20 1466 INIT("Modification of non-creatable array value attempted, subscript %d");
3e3baf6d 1467EXTCONST char no_helem[]
93a17b20 1468 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
3e3baf6d 1469EXTCONST char no_modify[]
93a17b20 1470 INIT("Modification of a read-only value attempted");
3e3baf6d 1471EXTCONST char no_mem[]
93a17b20 1472 INIT("Out of memory!\n");
3e3baf6d 1473EXTCONST char no_security[]
463ee0b2 1474 INIT("Insecure dependency in %s%s");
3e3baf6d 1475EXTCONST char no_sock_func[]
93a17b20 1476 INIT("Unsupported socket function \"%s\" called");
3e3baf6d 1477EXTCONST char no_dir_func[]
93a17b20 1478 INIT("Unsupported directory function \"%s\" called");
3e3baf6d 1479EXTCONST char no_func[]
93a17b20 1480 INIT("The %s function is unimplemented");
3e3baf6d 1481EXTCONST char no_myglob[]
748a9306 1482 INIT("\"my\" variable %s can't be in a package");
93a17b20 1483
79072805 1484EXT SV sv_undef;
1485EXT SV sv_no;
1486EXT SV sv_yes;
1487#ifdef CSH
1488 EXT char * cshname INIT(CSH);
1489 EXT I32 cshlen;
1490#endif
1491
1492#ifdef DOINIT
8e07c86e 1493EXT char *sig_name[] = { SIG_NAME };
1494EXT int sig_num[] = { SIG_NUM };
0c30d9ec 1495EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1496EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
79072805 1497#else
1498EXT char *sig_name[];
8e07c86e 1499EXT int sig_num[];
0c30d9ec 1500EXT SV * psig_ptr[];
1501EXT SV * psig_name[];
79072805 1502#endif
1503
bbce6d69 1504/* fast case folding tables */
1505
79072805 1506#ifdef DOINIT
36477c24 1507EXTCONST unsigned char fold[] = {
79072805 1508 0, 1, 2, 3, 4, 5, 6, 7,
1509 8, 9, 10, 11, 12, 13, 14, 15,
1510 16, 17, 18, 19, 20, 21, 22, 23,
1511 24, 25, 26, 27, 28, 29, 30, 31,
1512 32, 33, 34, 35, 36, 37, 38, 39,
1513 40, 41, 42, 43, 44, 45, 46, 47,
1514 48, 49, 50, 51, 52, 53, 54, 55,
1515 56, 57, 58, 59, 60, 61, 62, 63,
1516 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1517 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1518 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1519 'x', 'y', 'z', 91, 92, 93, 94, 95,
1520 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1521 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1522 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1523 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1524 128, 129, 130, 131, 132, 133, 134, 135,
1525 136, 137, 138, 139, 140, 141, 142, 143,
1526 144, 145, 146, 147, 148, 149, 150, 151,
1527 152, 153, 154, 155, 156, 157, 158, 159,
1528 160, 161, 162, 163, 164, 165, 166, 167,
1529 168, 169, 170, 171, 172, 173, 174, 175,
1530 176, 177, 178, 179, 180, 181, 182, 183,
1531 184, 185, 186, 187, 188, 189, 190, 191,
1532 192, 193, 194, 195, 196, 197, 198, 199,
1533 200, 201, 202, 203, 204, 205, 206, 207,
1534 208, 209, 210, 211, 212, 213, 214, 215,
1535 216, 217, 218, 219, 220, 221, 222, 223,
1536 224, 225, 226, 227, 228, 229, 230, 231,
1537 232, 233, 234, 235, 236, 237, 238, 239,
1538 240, 241, 242, 243, 244, 245, 246, 247,
1539 248, 249, 250, 251, 252, 253, 254, 255
1540};
1541#else
71be2cbc 1542EXTCONST unsigned char fold[];
79072805 1543#endif
1544
1545#ifdef DOINIT
bbce6d69 1546EXT unsigned char fold_locale[] = {
79072805 1547 0, 1, 2, 3, 4, 5, 6, 7,
1548 8, 9, 10, 11, 12, 13, 14, 15,
1549 16, 17, 18, 19, 20, 21, 22, 23,
1550 24, 25, 26, 27, 28, 29, 30, 31,
1551 32, 33, 34, 35, 36, 37, 38, 39,
1552 40, 41, 42, 43, 44, 45, 46, 47,
1553 48, 49, 50, 51, 52, 53, 54, 55,
1554 56, 57, 58, 59, 60, 61, 62, 63,
1555 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1556 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1557 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1558 'x', 'y', 'z', 91, 92, 93, 94, 95,
1559 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1560 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1561 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1562 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1563 128, 129, 130, 131, 132, 133, 134, 135,
1564 136, 137, 138, 139, 140, 141, 142, 143,
1565 144, 145, 146, 147, 148, 149, 150, 151,
1566 152, 153, 154, 155, 156, 157, 158, 159,
1567 160, 161, 162, 163, 164, 165, 166, 167,
1568 168, 169, 170, 171, 172, 173, 174, 175,
1569 176, 177, 178, 179, 180, 181, 182, 183,
1570 184, 185, 186, 187, 188, 189, 190, 191,
1571 192, 193, 194, 195, 196, 197, 198, 199,
1572 200, 201, 202, 203, 204, 205, 206, 207,
1573 208, 209, 210, 211, 212, 213, 214, 215,
1574 216, 217, 218, 219, 220, 221, 222, 223,
1575 224, 225, 226, 227, 228, 229, 230, 231,
1576 232, 233, 234, 235, 236, 237, 238, 239,
1577 240, 241, 242, 243, 244, 245, 246, 247,
1578 248, 249, 250, 251, 252, 253, 254, 255
1579};
1580#else
bbce6d69 1581EXT unsigned char fold_locale[];
79072805 1582#endif
1583
1584#ifdef DOINIT
71be2cbc 1585EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
79072805 1586 1, 2, 84, 151, 154, 155, 156, 157,
1587 165, 246, 250, 3, 158, 7, 18, 29,
1588 40, 51, 62, 73, 85, 96, 107, 118,
1589 129, 140, 147, 148, 149, 150, 152, 153,
1590 255, 182, 224, 205, 174, 176, 180, 217,
1591 233, 232, 236, 187, 235, 228, 234, 226,
1592 222, 219, 211, 195, 188, 193, 185, 184,
1593 191, 183, 201, 229, 181, 220, 194, 162,
1594 163, 208, 186, 202, 200, 218, 198, 179,
1595 178, 214, 166, 170, 207, 199, 209, 206,
1596 204, 160, 212, 216, 215, 192, 175, 173,
1597 243, 172, 161, 190, 203, 189, 164, 230,
1598 167, 248, 227, 244, 242, 255, 241, 231,
1599 240, 253, 169, 210, 245, 237, 249, 247,
1600 239, 168, 252, 251, 254, 238, 223, 221,
1601 213, 225, 177, 197, 171, 196, 159, 4,
1602 5, 6, 8, 9, 10, 11, 12, 13,
1603 14, 15, 16, 17, 19, 20, 21, 22,
1604 23, 24, 25, 26, 27, 28, 30, 31,
1605 32, 33, 34, 35, 36, 37, 38, 39,
1606 41, 42, 43, 44, 45, 46, 47, 48,
1607 49, 50, 52, 53, 54, 55, 56, 57,
1608 58, 59, 60, 61, 63, 64, 65, 66,
1609 67, 68, 69, 70, 71, 72, 74, 75,
1610 76, 77, 78, 79, 80, 81, 82, 83,
1611 86, 87, 88, 89, 90, 91, 92, 93,
1612 94, 95, 97, 98, 99, 100, 101, 102,
1613 103, 104, 105, 106, 108, 109, 110, 111,
1614 112, 113, 114, 115, 116, 117, 119, 120,
1615 121, 122, 123, 124, 125, 126, 127, 128,
1616 130, 131, 132, 133, 134, 135, 136, 137,
1617 138, 139, 141, 142, 143, 144, 145, 146
1618};
1619#else
71be2cbc 1620EXTCONST unsigned char freq[];
79072805 1621#endif
1622
8990e307 1623#ifdef DEBUGGING
1624#ifdef DOINIT
71be2cbc 1625EXTCONST char* block_type[] = {
8990e307 1626 "NULL",
1627 "SUB",
1628 "EVAL",
1629 "LOOP",
1630 "SUBST",
1631 "BLOCK",
1632};
1633#else
71be2cbc 1634EXTCONST char* block_type[];
8990e307 1635#endif
1636#endif
1637
79072805 1638/*****************************************************************************/
1639/* This lexer/parser stuff is currently global since yacc is hard to reenter */
1640/*****************************************************************************/
8990e307 1641/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 1642
a0d0e21e 1643#include "perly.h"
1644
79072805 1645typedef enum {
1646 XOPERATOR,
1647 XTERM,
79072805 1648 XREF,
8990e307 1649 XSTATE,
a0d0e21e 1650 XBLOCK,
1651 XTERMBLOCK
79072805 1652} expectation;
1653
a0d0e21e 1654EXT U32 lex_state; /* next token is determined */
1655EXT U32 lex_defer; /* state after determined token */
1656EXT expectation lex_expect; /* expect after determined token */
1657EXT I32 lex_brackets; /* bracket count */
1658EXT I32 lex_formbrack; /* bracket count at outer format level */
1659EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1660EXT I32 lex_casemods; /* casemod count */
1661EXT I32 lex_dojoin; /* doing an array interpolation */
1662EXT I32 lex_starts; /* how many interps done on level */
1663EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1664EXT SV * lex_repl; /* runtime replacement from s/// */
1665EXT OP * lex_op; /* extra info to pass back on op */
1666EXT OP * lex_inpat; /* in pattern $) and $| are special */
1667EXT I32 lex_inwhat; /* what kind of quoting are we in */
1668EXT char * lex_brackstack; /* what kind of brackets to pop */
1669EXT char * lex_casestack; /* what kind of case mods in effect */
1670
1671/* What we know when we're in LEX_KNOWNEXT state. */
1672EXT YYSTYPE nextval[5]; /* value of next token, if any */
1673EXT I32 nexttype[5]; /* type of next token */
1674EXT I32 nexttoke;
1675
760ac839 1676EXT PerlIO * VOL rsfp INIT(Nullfp);
79072805 1677EXT SV * linestr;
1678EXT char * bufptr;
1679EXT char * oldbufptr;
1680EXT char * oldoldbufptr;
1681EXT char * bufend;
8990e307 1682EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
16d20bd9 1683EXT AV * rsfp_filters;
79072805 1684
1685EXT I32 multi_start; /* 1st line of multi-line string */
1686EXT I32 multi_end; /* last line of multi-line string */
1687EXT I32 multi_open; /* delimiter of said string */
1688EXT I32 multi_close; /* delimiter of said string */
1689
1690EXT GV * scrgv;
1691EXT I32 error_count; /* how many errors so far, max 10 */
1692EXT I32 subline; /* line this subroutine began on */
1693EXT SV * subname; /* name of current subroutine */
1694
748a9306 1695EXT CV * compcv; /* currently compiling subroutine */
93a17b20 1696EXT AV * comppad; /* storage for lexically scoped temporaries */
8990e307 1697EXT AV * comppad_name; /* variable names for "my" variables */
1698EXT I32 comppad_name_fill;/* last "introduced" variable offset */
0c30d9ec 1699EXT I32 comppad_name_floor;/* start of vars in innermost block */
8990e307 1700EXT I32 min_intro_pending;/* start of vars to introduce */
1701EXT I32 max_intro_pending;/* end of vars to introduce */
79072805 1702EXT I32 padix; /* max used index in current "register" pad */
a0d0e21e 1703EXT I32 padix_floor; /* how low may inner block reset padix */
748a9306 1704EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
79072805 1705EXT COP compiling;
1706
79072805 1707EXT I32 thisexpr; /* name id for nothing_in_common() */
1708EXT char * last_uni; /* position of last named-unary operator */
1709EXT char * last_lop; /* position of last list operator */
8990e307 1710EXT OPCODE last_lop_op; /* last list operator */
93a17b20 1711EXT bool in_my; /* we're compiling a "my" declaration */
c750a3ec 1712EXT HV * in_my_stash; /* declared class of this "my" declaration */
79072805 1713#ifdef FCRYPT
1714EXT I32 cryptseen; /* has fast crypt() been initialized? */
1715#endif
1716
85e6fe83 1717EXT U32 hints; /* various compilation flags */
1718
1719 /* Note: the lowest 8 bits are reserved for
1720 stuffing into op->op_private */
1721#define HINT_INTEGER 0x00000001
1722#define HINT_STRICT_REFS 0x00000002
1723
1724#define HINT_BLOCK_SCOPE 0x00000100
1725#define HINT_STRICT_SUBS 0x00000200
1726#define HINT_STRICT_VARS 0x00000400
bbce6d69 1727#define HINT_LOCALE 0x00000800
85e6fe83 1728
79072805 1729/**************************************************************************/
1730/* This regexp stuff is global since it always happens within 1 expr eval */
1731/**************************************************************************/
1732
1733EXT char * regprecomp; /* uncompiled string. */
1734EXT char * regparse; /* Input-scan pointer. */
1735EXT char * regxend; /* End of input for compile */
1736EXT I32 regnpar; /* () count. */
1737EXT char * regcode; /* Code-emit pointer; &regdummy = don't. */
1738EXT I32 regsize; /* Code size. */
a0d0e21e 1739EXT I32 regnaughty; /* How bad is this pattern? */
79072805 1740EXT I32 regsawback; /* Did we see \1, ...? */
1741
1742EXT char * reginput; /* String-input pointer. */
79072805 1743EXT char * regbol; /* Beginning of input, for ^ check. */
1744EXT char * regeol; /* End of input, for $ check. */
1745EXT char ** regstartp; /* Pointer to startp array. */
1746EXT char ** regendp; /* Ditto for endp. */
a0d0e21e 1747EXT U32 * reglastparen; /* Similarly for lastparen. */
79072805 1748EXT char * regtill; /* How far we are required to go. */
a0d0e21e 1749EXT U16 regflags; /* are we folding, multilining? */
1750EXT char regprev; /* char before regbol, \n if none */
79072805 1751
760ac839 1752EXT bool do_undump; /* -u or dump seen? */
1753EXT VOL U32 debug;
1754
79072805 1755/***********************************************/
1756/* Global only to current interpreter instance */
1757/***********************************************/
1758
8990e307 1759#ifdef MULTIPLICITY
79072805 1760#define IEXT
1761#define IINIT(x)
1762struct interpreter {
1763#else
1764#define IEXT EXT
1765#define IINIT(x) INIT(x)
1766#endif
1767
1768/* pseudo environmental stuff */
1769IEXT int Iorigargc;
1770IEXT char ** Iorigargv;
1771IEXT GV * Ienvgv;
1772IEXT GV * Isiggv;
1773IEXT GV * Iincgv;
1774IEXT char * Iorigfilename;
748a9306 1775IEXT SV * Idiehook;
1776IEXT SV * Iwarnhook;
1777IEXT SV * Iparsehook;
79072805 1778
c07a80fd 1779/* Various states of an input record separator SV (rs, nrs) */
1780#define RsSNARF(sv) (! SvOK(sv))
1781#define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1782#define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1783
79072805 1784/* switches */
1785IEXT char * Icddir;
1786IEXT bool Iminus_c;
a5f75d66 1787IEXT char Ipatchlevel[10];
728e2803 1788IEXT char ** Ilocalpatches;
c07a80fd 1789IEXT SV * Inrs;
2304df62 1790IEXT char * Isplitstr IINIT(" ");
79072805 1791IEXT bool Ipreprocess;
1792IEXT bool Iminus_n;
1793IEXT bool Iminus_p;
1794IEXT bool Iminus_l;
1795IEXT bool Iminus_a;
2304df62 1796IEXT bool Iminus_F;
79072805 1797IEXT bool Idoswitches;
1798IEXT bool Idowarn;
1799IEXT bool Idoextract;
79072805 1800IEXT bool Isawampersand; /* must save all match strings */
1801IEXT bool Isawstudy; /* do fbm_instr on all strings */
79072805 1802IEXT bool Isawvec;
1803IEXT bool Iunsafe;
79072805 1804IEXT char * Iinplace;
1805IEXT char * Ie_tmpname;
760ac839 1806IEXT PerlIO * Ie_fp;
79072805 1807IEXT U32 Iperldb;
748a9306 1808 /* This value may be raised by extensions for testing purposes */
8ebc5c01 1809IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
79072805 1810
1811/* magical thingies */
85e6fe83 1812IEXT Time_t Ibasetime; /* $^T */
79072805 1813IEXT SV * Iformfeed; /* $^L */
1814IEXT char * Ichopset IINIT(" \n-"); /* $: */
c07a80fd 1815IEXT SV * Irs; /* $/ */
79072805 1816IEXT char * Iofs; /* $, */
8990e307 1817IEXT STRLEN Iofslen;
79072805 1818IEXT char * Iors; /* $\ */
8990e307 1819IEXT STRLEN Iorslen;
79072805 1820IEXT char * Iofmt; /* $# */
1821IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
f86702cc 1822IEXT int Imultiline; /* $*--do strings hold >1 line? */
91e9c03f 1823IEXT I32 Istatusvalue; /* $? */
f86702cc 1824#ifdef VMS
ff0cee69 1825IEXT U32 Istatusvalue_vms;
f86702cc 1826#endif
79072805 1827
1828IEXT struct stat Istatcache; /* _ */
1829IEXT GV * Istatgv;
1830IEXT SV * Istatname IINIT(Nullsv);
1831
1832/* shortcuts to various I/O objects */
1833IEXT GV * Istdingv;
1834IEXT GV * Ilast_in_gv;
1835IEXT GV * Idefgv;
1836IEXT GV * Iargvgv;
1837IEXT GV * Idefoutgv;
79072805 1838IEXT GV * Iargvoutgv;
1839
1840/* shortcuts to regexp stuff */
1841IEXT GV * Ileftgv;
1842IEXT GV * Iampergv;
1843IEXT GV * Irightgv;
1844IEXT PMOP * Icurpm; /* what to do \ interps from */
79072805 1845IEXT I32 * Iscreamfirst;
1846IEXT I32 * Iscreamnext;
1847IEXT I32 Imaxscream IINIT(-1);
1848IEXT SV * Ilastscream;
1849
4633a7c4 1850/* shortcuts to misc objects */
1851IEXT GV * Ierrgv;
1852
79072805 1853/* shortcuts to debugging objects */
1854IEXT GV * IDBgv;
1855IEXT GV * IDBline;
1856IEXT GV * IDBsub;
1857IEXT SV * IDBsingle;
1858IEXT SV * IDBtrace;
1859IEXT SV * IDBsignal;
1860IEXT AV * Ilineary; /* lines of script for debugger */
1861IEXT AV * Idbargs; /* args to call listed by caller function */
1862
1863/* symbol tables */
1864IEXT HV * Idefstash; /* main symbol table */
1865IEXT HV * Icurstash; /* symbol table for current package */
1866IEXT HV * Idebstash; /* symbol table for perldb package */
1867IEXT SV * Icurstname; /* name of current package */
93a17b20 1868IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1869IEXT AV * Iendav; /* names of END subroutines */
7d07dbc2 1870IEXT AV * Iinitav; /* names of INIT subroutines */
0c30d9ec 1871IEXT HV * Istrtab; /* shared string table */
79072805 1872
1873/* memory management */
79072805 1874IEXT SV ** Itmps_stack;
1875IEXT I32 Itmps_ix IINIT(-1);
1876IEXT I32 Itmps_floor IINIT(-1);
8990e307 1877IEXT I32 Itmps_max;
1878IEXT I32 Isv_count; /* how many SV* are currently allocated */
a0d0e21e 1879IEXT I32 Isv_objcount; /* how many objects are currently allocated */
8990e307 1880IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1881IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
79072805 1882
1883/* funky return mechanisms */
1884IEXT I32 Ilastspbase;
1885IEXT I32 Ilastsize;
1886IEXT int Iforkprocess; /* so do_open |- can return proc# */
1887
1888/* subprocess state */
1889IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
79072805 1890
1891/* internal state */
463ee0b2 1892IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1893IEXT OP * Irestartop; /* Are we propagating an error from croak? */
79072805 1894IEXT int Idelaymagic; /* ($<,$>) = ... */
2304df62 1895IEXT bool Idirty; /* In the middle of tearing things down? */
748a9306 1896IEXT U8 Ilocalizing; /* are we processing a local() list? */
79072805 1897IEXT bool Itainted; /* using variables controlled by $< */
463ee0b2 1898IEXT bool Itainting; /* doing taint checks */
e50aee73 1899IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
79072805 1900
1901/* trace state */
1902IEXT I32 Idlevel;
1903IEXT I32 Idlmax IINIT(128);
1904IEXT char * Idebname;
1905IEXT char * Idebdelim;
1906
1907/* current interpreter roots */
748a9306 1908IEXT CV * Imain_cv;
463ee0b2 1909IEXT OP * Imain_root;
1910IEXT OP * Imain_start;
1911IEXT OP * Ieval_root;
1912IEXT OP * Ieval_start;
79072805 1913
1914/* runtime control stuff */
1915IEXT COP * VOL Icurcop IINIT(&compiling);
0c30d9ec 1916IEXT COP * Icurcopdb IINIT(NULL);
79072805 1917IEXT line_t Icopline IINIT(NOLINE);
1918IEXT CONTEXT * Icxstack;
1919IEXT I32 Icxstack_ix IINIT(-1);
1920IEXT I32 Icxstack_max IINIT(128);
54310121 1921IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1922IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
a0d0e21e 1923IEXT I32 Irunlevel;
79072805 1924
1925/* stack stuff */
0c30d9ec 1926IEXT AV * Icurstack; /* THE STACK */
79072805 1927IEXT AV * Imainstack; /* the stack when nothing funny is happening */
0f15f207 1928#if 0
79072805 1929IEXT SV ** Imystack_base; /* stack->array_ary */
1930IEXT SV ** Imystack_sp; /* stack pointer now */
1931IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
0f15f207 1932#endif
79072805 1933
1934/* format accumulators */
463ee0b2 1935IEXT SV * Iformtarget;
1936IEXT SV * Ibodytarget;
1937IEXT SV * Itoptarget;
79072805 1938
1939/* statics moved here for shared library purposes */
93a17b20 1940IEXT SV Istrchop; /* return value from chop */
79072805 1941IEXT int Ifilemode; /* so nextargv() can preserve mode */
1942IEXT int Ilastfd; /* what to preserve mode on */
1943IEXT char * Ioldname; /* what to preserve mode on */
1944IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1945IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1946IEXT OP * Isortcop; /* user defined sort routine */
1947IEXT HV * Isortstash; /* which is in some package or other */
1948IEXT GV * Ifirstgv; /* $a */
1949IEXT GV * Isecondgv; /* $b */
1950IEXT AV * Isortstack; /* temp stack during pp_sort() */
1951IEXT AV * Isignalstack; /* temp stack during sighandler() */
1952IEXT SV * Imystrk; /* temp key string for do_each() */
1953IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
79072805 1954IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1955IEXT I32 Igensym; /* next symbol for getsym() to define */
1956IEXT bool Ipreambled;
3c81428c 1957IEXT AV * Ipreambleav;
79072805 1958IEXT int Ilaststatval IINIT(-1);
1959IEXT I32 Ilaststype IINIT(OP_STAT);
46fc3d4c 1960IEXT SV * Imess_sv;
79072805 1961
1962#undef IEXT
1963#undef IINIT
1964
8990e307 1965#ifdef MULTIPLICITY
79072805 1966};
1967#else
1968struct interpreter {
1969 char broiled;
1970};
1971#endif
1972
11343788 1973#include "thread.h"
79072805 1974#include "pp.h"
1975
1976#ifdef __cplusplus
1977extern "C" {
1978#endif
1979
1980#include "proto.h"
1981
a0d0e21e 1982#ifdef EMBED
1983#define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1984#define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1985#else
1986#define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1987#define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1988#endif
1989
79072805 1990#ifdef __cplusplus
1991};
1992#endif
1993
93a17b20 1994/* The following must follow proto.h */
79072805 1995
1996#ifdef DOINIT
bbce6d69 1997
4633a7c4 1998EXT MGVTBL vtbl_sv = {magic_get,
463ee0b2 1999 magic_set,
2000 magic_len,
2001 0, 0};
66b1d557 2002EXT MGVTBL vtbl_env = {0, 0, 0, magic_clear_all_env,
2003 0};
4633a7c4 2004EXT MGVTBL vtbl_envelem = {0, magic_setenv,
85e6fe83 2005 0, magic_clearenv,
2006 0};
4633a7c4 2007EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
0c30d9ec 2008EXT MGVTBL vtbl_sigelem = {magic_getsig,
2009 magic_setsig,
2010 0, magic_clearsig,
2011 0};
4633a7c4 2012EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
a0d0e21e 2013 0};
4633a7c4 2014EXT MGVTBL vtbl_packelem = {magic_getpack,
463ee0b2 2015 magic_setpack,
2016 0, magic_clearpack,
2017 0};
4633a7c4 2018EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
463ee0b2 2019 0, 0, 0};
4633a7c4 2020EXT MGVTBL vtbl_isa = {0, magic_setisa,
463ee0b2 2021 0, 0, 0};
4633a7c4 2022EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
463ee0b2 2023 0, 0, 0};
4633a7c4 2024EXT MGVTBL vtbl_arylen = {magic_getarylen,
463ee0b2 2025 magic_setarylen,
2026 0, 0, 0};
4633a7c4 2027EXT MGVTBL vtbl_glob = {magic_getglob,
463ee0b2 2028 magic_setglob,
2029 0, 0, 0};
4633a7c4 2030EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
463ee0b2 2031 0, 0, 0};
99abf803 2032EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2033 0, 0, 0};
4633a7c4 2034EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
463ee0b2 2035 0, 0, 0};
4633a7c4 2036EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
463ee0b2 2037 0, 0, 0};
4633a7c4 2038EXT MGVTBL vtbl_vec = {0, magic_setvec,
463ee0b2 2039 0, 0, 0};
4633a7c4 2040EXT MGVTBL vtbl_pos = {magic_getpos,
a0d0e21e 2041 magic_setpos,
2042 0, 0, 0};
4633a7c4 2043EXT MGVTBL vtbl_bm = {0, magic_setbm,
463ee0b2 2044 0, 0, 0};
55497cff 2045EXT MGVTBL vtbl_fm = {0, magic_setfm,
2046 0, 0, 0};
4633a7c4 2047EXT MGVTBL vtbl_uvar = {magic_getuvar,
463ee0b2 2048 magic_setuvar,
2049 0, 0, 0};
f93b4edd 2050#ifdef USE_THREADS
2051EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2052#endif /* USE_THREADS */
68dc0745 2053EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2054 0, 0, magic_freedefelem};
a0d0e21e 2055
36477c24 2056#ifdef USE_LOCALE_COLLATE
bbce6d69 2057EXT MGVTBL vtbl_collxfrm = {0,
2058 magic_setcollxfrm,
2059 0, 0, 0};
2060#endif
a0d0e21e 2061
2062#ifdef OVERLOAD
4633a7c4 2063EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
748a9306 2064 0, 0, magic_setamagic};
4633a7c4 2065EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
748a9306 2066 0, 0, magic_setamagic};
a0d0e21e 2067#endif /* OVERLOAD */
2068
bbce6d69 2069#else /* !DOINIT */
2070
79072805 2071EXT MGVTBL vtbl_sv;
2072EXT MGVTBL vtbl_env;
2073EXT MGVTBL vtbl_envelem;
2074EXT MGVTBL vtbl_sig;
2075EXT MGVTBL vtbl_sigelem;
463ee0b2 2076EXT MGVTBL vtbl_pack;
2077EXT MGVTBL vtbl_packelem;
79072805 2078EXT MGVTBL vtbl_dbline;
463ee0b2 2079EXT MGVTBL vtbl_isa;
2080EXT MGVTBL vtbl_isaelem;
79072805 2081EXT MGVTBL vtbl_arylen;
2082EXT MGVTBL vtbl_glob;
93a17b20 2083EXT MGVTBL vtbl_mglob;
99abf803 2084EXT MGVTBL vtbl_nkeys;
463ee0b2 2085EXT MGVTBL vtbl_taint;
79072805 2086EXT MGVTBL vtbl_substr;
2087EXT MGVTBL vtbl_vec;
a0d0e21e 2088EXT MGVTBL vtbl_pos;
79072805 2089EXT MGVTBL vtbl_bm;
55497cff 2090EXT MGVTBL vtbl_fm;
79072805 2091EXT MGVTBL vtbl_uvar;
a0d0e21e 2092
f93b4edd 2093#ifdef USE_THREADS
2094EXT MGVTBL vtbl_mutex;
2095#endif /* USE_THREADS */
2096
68dc0745 2097EXT MGVTBL vtbl_defelem;
a0d0e21e 2098
36477c24 2099#ifdef USE_LOCALE_COLLATE
bbce6d69 2100EXT MGVTBL vtbl_collxfrm;
2101#endif
a0d0e21e 2102
2103#ifdef OVERLOAD
2104EXT MGVTBL vtbl_amagic;
2105EXT MGVTBL vtbl_amagicelem;
2106#endif /* OVERLOAD */
2107
bbce6d69 2108#endif /* !DOINIT */
85e6fe83 2109
a0d0e21e 2110#ifdef OVERLOAD
c0315cdf 2111
a0d0e21e 2112EXT long amagic_generation;
2113
a6006777 2114#define NofAMmeth 58
a0d0e21e 2115#ifdef DOINIT
a6006777 2116EXTCONST char * AMG_names[NofAMmeth] = {
2117 "fallback", "abs", /* "fallback" should be the first. */
2118 "bool", "nomethod",
2119 "\"\"", "0+",
2120 "+", "+=",
2121 "-", "-=",
2122 "*", "*=",
2123 "/", "/=",
2124 "%", "%=",
2125 "**", "**=",
2126 "<<", "<<=",
2127 ">>", ">>=",
2128 "&", "&=",
2129 "|", "|=",
2130 "^", "^=",
2131 "<", "<=",
2132 ">", ">=",
2133 "==", "!=",
2134 "<=>", "cmp",
2135 "lt", "le",
2136 "gt", "ge",
2137 "eq", "ne",
2138 "!", "~",
2139 "++", "--",
2140 "atan2", "cos",
2141 "sin", "exp",
2142 "log", "sqrt",
2143 "x", "x=",
2144 ".", ".=",
2145 "=", "neg"
a0d0e21e 2146};
2147#else
a6006777 2148EXTCONST char * AMG_names[NofAMmeth];
a0d0e21e 2149#endif /* def INITAMAGIC */
2150
a6006777 2151struct am_table {
a0d0e21e 2152 long was_ok_sub;
2153 long was_ok_am;
a6006777 2154 U32 flags;
2155 CV* table[NofAMmeth];
a0d0e21e 2156 long fallback;
2157};
a6006777 2158struct am_table_short {
2159 long was_ok_sub;
2160 long was_ok_am;
2161 U32 flags;
2162};
a0d0e21e 2163typedef struct am_table AMT;
a6006777 2164typedef struct am_table_short AMTS;
a0d0e21e 2165
2166#define AMGfallNEVER 1
2167#define AMGfallNO 2
2168#define AMGfallYES 3
2169
a6006777 2170#define AMTf_AMAGIC 1
2171#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2172#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2173#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2174
a0d0e21e 2175enum {
2176 fallback_amg, abs_amg,
2177 bool__amg, nomethod_amg,
2178 string_amg, numer_amg,
2179 add_amg, add_ass_amg,
2180 subtr_amg, subtr_ass_amg,
2181 mult_amg, mult_ass_amg,
2182 div_amg, div_ass_amg,
2183 mod_amg, mod_ass_amg,
2184 pow_amg, pow_ass_amg,
2185 lshift_amg, lshift_ass_amg,
2186 rshift_amg, rshift_ass_amg,
748a9306 2187 band_amg, band_ass_amg,
2188 bor_amg, bor_ass_amg,
2189 bxor_amg, bxor_ass_amg,
a0d0e21e 2190 lt_amg, le_amg,
2191 gt_amg, ge_amg,
2192 eq_amg, ne_amg,
2193 ncmp_amg, scmp_amg,
2194 slt_amg, sle_amg,
2195 sgt_amg, sge_amg,
2196 seq_amg, sne_amg,
a0d0e21e 2197 not_amg, compl_amg,
2198 inc_amg, dec_amg,
2199 atan2_amg, cos_amg,
2200 sin_amg, exp_amg,
2201 log_amg, sqrt_amg,
2202 repeat_amg, repeat_ass_amg,
748a9306 2203 concat_amg, concat_ass_amg,
2204 copy_amg, neg_amg
a0d0e21e 2205};
c0315cdf 2206
2207/*
2208 * some compilers like to redefine cos et alia as faster
2209 * (and less accurate?) versions called F_cos et cetera (Quidquid
2210 * latine dictum sit, altum viditur.) This trick collides with
2211 * the Perl overloading (amg). The following #defines fool both.
2212 */
2213
2214#ifdef _FASTMATH
2215# ifdef atan2
2216# define F_atan2_amg atan2_amg
2217# endif
2218# ifdef cos
2219# define F_cos_amg cos_amg
2220# endif
2221# ifdef exp
2222# define F_exp_amg exp_amg
2223# endif
2224# ifdef log
2225# define F_log_amg log_amg
2226# endif
2227# ifdef pow
2228# define F_pow_amg pow_amg
2229# endif
2230# ifdef sin
2231# define F_sin_amg sin_amg
2232# endif
2233# ifdef sqrt
2234# define F_sqrt_amg sqrt_amg
2235# endif
2236#endif /* _FASTMATH */
2237
a0d0e21e 2238#endif /* OVERLOAD */
2239
36477c24 2240#ifdef USE_LOCALE_COLLATE
bbce6d69 2241EXT U32 collation_ix; /* Collation generation index */
2242EXT char * collation_name; /* Name of current collation */
2243EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2244EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2245EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
36477c24 2246#endif /* USE_LOCALE_COLLATE */
bbce6d69 2247
36477c24 2248#ifdef USE_LOCALE_NUMERIC
bbce6d69 2249
2250EXT char * numeric_name; /* Name of current numeric locale */
2251EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2252EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2253
36477c24 2254#define SET_NUMERIC_STANDARD() \
2255 STMT_START { \
2256 if (! numeric_standard) \
2257 perl_set_numeric_standard(); \
2258 } STMT_END
2259
2260#define SET_NUMERIC_LOCAL() \
2261 STMT_START { \
2262 if (! numeric_local) \
2263 perl_set_numeric_local(); \
2264 } STMT_END
bbce6d69 2265
36477c24 2266#else /* !USE_LOCALE_NUMERIC */
bbce6d69 2267
36477c24 2268#define SET_NUMERIC_STANDARD() /**/
2269#define SET_NUMERIC_LOCAL() /**/
bbce6d69 2270
36477c24 2271#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 2272
760ac839 2273#if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2274/*
2275 * Now we have __attribute__ out of the way
2276 * Remap printf
2277 */
2278#define printf PerlIO_stdoutf
2279#endif
2280
fba3b22e 2281/*
2282 * nice_chunk and nice_chunk size need to be set
2283 * and queried under the protection of sv_mutex
2284 */
2285#define offer_nice_chunk(chunk, chunk_size) do { \
2286 MUTEX_LOCK(&sv_mutex); \
2287 if (!nice_chunk) { \
2288 nice_chunk = (char*)(chunk); \
2289 nice_chunk_size = (chunk_size); \
2290 } \
2291 MUTEX_UNLOCK(&sv_mutex); \
2292 } while (0)
2293
85e6fe83 2294#endif /* Include guard */
a6e633de 2295
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