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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 | |
105 | struct 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) | |
262 | register 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) | |
500 | int syscall(int, ...); | |
501 | #endif | |
502 | ||
503 | #if defined(HAS_USLEEP) && !defined(HAS_USLEEP_PROTO) && !defined(PERL_MICRO) | |
504 | int 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__) | |
1038 | int sockatmark(int) __THROW; | |
1039 | # else | |
1040 | int 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 | ||
1367 | typedef IVTYPE IV; | |
1368 | typedef 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 | ||
1585 | typedef 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 | |
1644 | EXTERN_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 | |
1826 | int 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 | ||
2063 | struct RExC_state_t; | |
2064 | ||
2065 | typedef MEM_SIZE STRLEN; | |
2066 | ||
2067 | typedef struct op OP; | |
2068 | typedef struct cop COP; | |
2069 | typedef struct unop UNOP; | |
2070 | typedef struct binop BINOP; | |
2071 | typedef struct listop LISTOP; | |
2072 | typedef struct logop LOGOP; | |
2073 | typedef struct pmop PMOP; | |
2074 | typedef struct svop SVOP; | |
2075 | typedef struct padop PADOP; | |
2076 | typedef struct pvop PVOP; | |
2077 | typedef struct loop LOOP; | |
2078 | ||
2079 | typedef 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 | |
2088 | typedef struct STRUCT_SV SV; | |
2089 | typedef struct av AV; | |
2090 | typedef struct hv HV; | |
2091 | typedef struct cv CV; | |
2092 | typedef struct regexp REGEXP; | |
2093 | typedef struct gp GP; | |
2094 | typedef struct gv GV; | |
2095 | typedef struct io IO; | |
2096 | typedef struct context PERL_CONTEXT; | |
2097 | typedef struct block BLOCK; | |
2098 | ||
2099 | typedef struct magic MAGIC; | |
2100 | typedef struct xrv XRV; | |
2101 | typedef struct xpv XPV; | |
2102 | typedef struct xpviv XPVIV; | |
2103 | typedef struct xpvuv XPVUV; | |
2104 | typedef struct xpvnv XPVNV; | |
2105 | typedef struct xpvmg XPVMG; | |
2106 | typedef struct xpvlv XPVLV; | |
2107 | typedef struct xpvav XPVAV; | |
2108 | typedef struct xpvhv XPVHV; | |
2109 | typedef struct xpvgv XPVGV; | |
2110 | typedef struct xpvcv XPVCV; | |
2111 | typedef struct xpvbm XPVBM; | |
2112 | typedef struct xpvfm XPVFM; | |
2113 | typedef struct xpvio XPVIO; | |
2114 | typedef struct mgvtbl MGVTBL; | |
2115 | typedef union any ANY; | |
2116 | typedef struct ptr_tbl_ent PTR_TBL_ENT_t; | |
2117 | typedef struct ptr_tbl PTR_TBL_t; | |
2118 | typedef 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 | |
2415 | typedef cthread_t perl_os_thread; | |
2416 | typedef mutex_t perl_mutex; | |
2417 | typedef condition_t perl_cond; | |
2418 | typedef void * perl_key; | |
2419 | # else /* Posix threads */ | |
2420 | # ifdef I_PTHREAD | |
2421 | # include <pthread.h> | |
2422 | # endif | |
2423 | typedef pthread_t perl_os_thread; | |
2424 | typedef pthread_mutex_t perl_mutex; | |
2425 | typedef pthread_cond_t perl_cond; | |
2426 | typedef 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__ | |
2687 | void init_os_extras(void); | |
2688 | #endif | |
2689 | ||
2690 | #ifdef UNION_ANY_DEFINITION | |
2691 | UNION_ANY_DEFINITION; | |
2692 | #else | |
2693 | union 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 | ||
2710 | typedef 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 */ | |
2720 | typedef 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 */ | |
2764 | typedef struct curcur CURCUR; | |
2765 | struct 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 | ||
2777 | typedef struct _sublex_info SUBLEXINFO; | |
2778 | struct _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 | ||
2786 | typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ | |
2787 | ||
2788 | struct scan_data_t; /* Used in S_* functions in regcomp.c */ | |
2789 | struct regnode_charclass_class; /* Used in S_* functions in regcomp.c */ | |
2790 | ||
2791 | typedef I32 CHECKPOINT; | |
2792 | ||
2793 | struct ptr_tbl_ent { | |
2794 | struct ptr_tbl_ent* next; | |
2795 | const void* oldval; | |
2796 | void* newval; | |
2797 | }; | |
2798 | ||
2799 | struct 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 | |
2862 | short htovs(short n); | |
2863 | short vtohs(short n); | |
2864 | long htovl(long n); | |
2865 | long 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 | |
2931 | Uid_t getuid (void); | |
2932 | Uid_t geteuid (void); | |
2933 | Gid_t getgid (void); | |
2934 | Gid_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 | ||
3187 | struct 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 | ||
3201 | static 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 | |
3217 | char *mktemp (char*); | |
3218 | #ifndef atof | |
3219 | double 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 */ | |
3225 | Time_t time(); | |
3226 | struct tm *gmtime(), *localtime(); | |
3227 | #if defined(OEMVS) || defined(__OPEN_VM) | |
3228 | char *(strchr)(), *(strrchr)(); | |
3229 | char *(strcpy)(), *(strcat)(); | |
3230 | #else | |
3231 | char *strchr(), *strrchr(); | |
3232 | char *strcpy(), *strcat(); | |
3233 | #endif | |
3234 | #endif /* ! STANDARD_C */ | |
3235 | ||
3236 | ||
3237 | #ifdef I_MATH | |
3238 | # include <math.h> | |
3239 | #else | |
3240 | START_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); | |
3252 | END_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 */ | |
3306 | char *crypt (); /* Maybe more hosts will need the unprototyped version */ | |
3307 | # else | |
3308 | # if !defined(WIN32) && !defined(VMS) | |
3309 | #ifndef crypt | |
3310 | char *crypt (const char*, const char*); | |
3311 | #endif | |
3312 | # endif /* !WIN32 */ | |
3313 | # endif /* !NeXT && !__NeXT__ */ | |
3314 | # ifndef DONT_DECLARE_STD | |
3315 | # ifndef getenv | |
3316 | char *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 | |
3321 | Off_t lseek (int,Off_t,int); | |
3322 | # endif | |
3323 | # endif | |
3324 | # endif | |
3325 | # endif /* !DONT_DECLARE_STD */ | |
3326 | #ifndef getlogin | |
3327 | char *getlogin (void); | |
3328 | #endif | |
3329 | #endif /* !__cplusplus */ | |
3330 | ||
3331 | #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */ | |
3332 | #define UNLINK unlnk | |
3333 | I32 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) | |
3340 | int 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) | |
3344 | int 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 | |
3363 | typedef struct sigaction Sigsave_t; | |
3364 | #else | |
3365 | typedef 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 | ||
3404 | typedef int (CPERLscope(*runops_proc_t)) (pTHX); | |
3405 | typedef void (CPERLscope(*share_proc_t)) (pTHX_ SV *sv); | |
3406 | typedef int (CPERLscope(*thrhook_proc_t)) (pTHX); | |
3407 | typedef 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) | |
3418 | EXT 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) | |
3432 | extern char ** environ; /* environment variables supplied via exec */ | |
3433 | # endif | |
3434 | # endif | |
3435 | #endif | |
3436 | ||
3437 | START_EXTERN_C | |
3438 | ||
3439 | /* handy constants */ | |
3440 | EXTCONST char PL_warn_uninit[] | |
3441 | INIT("Use of uninitialized value%s%s"); | |
3442 | EXTCONST char PL_warn_nosemi[] | |
3443 | INIT("Semicolon seems to be missing"); | |
3444 | EXTCONST char PL_warn_reserved[] | |
3445 | INIT("Unquoted string \"%s\" may clash with future reserved word"); | |
3446 | EXTCONST char PL_warn_nl[] | |
3447 | INIT("Unsuccessful %s on filename containing newline"); | |
3448 | EXTCONST char PL_no_wrongref[] | |
3449 | INIT("Can't use %s ref as %s ref"); | |
3450 | EXTCONST char PL_no_symref[] | |
3451 | INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use"); | |
3452 | EXTCONST char PL_no_usym[] | |
3453 | INIT("Can't use an undefined value as %s reference"); | |
3454 | EXTCONST char PL_no_aelem[] | |
3455 | INIT("Modification of non-creatable array value attempted, subscript %d"); | |
3456 | EXTCONST char PL_no_helem[] | |
3457 | INIT("Modification of non-creatable hash value attempted, subscript \"%s\""); | |
3458 | EXTCONST char PL_no_helem_sv[] | |
3459 | INIT("Modification of non-creatable hash value attempted, subscript \""SVf"\""); | |
3460 | EXTCONST char PL_no_modify[] | |
3461 | INIT("Modification of a read-only value attempted"); | |
3462 | EXTCONST char PL_no_mem[] | |
3463 | INIT("Out of memory!\n"); | |
3464 | EXTCONST char PL_no_security[] | |
3465 | INIT("Insecure dependency in %s%s"); | |
3466 | EXTCONST char PL_no_sock_func[] | |
3467 | INIT("Unsupported socket function \"%s\" called"); | |
3468 | EXTCONST char PL_no_dir_func[] | |
3469 | INIT("Unsupported directory function \"%s\" called"); | |
3470 | EXTCONST char PL_no_func[] | |
3471 | INIT("The %s function is unimplemented"); | |
3472 | EXTCONST char PL_no_myglob[] | |
3473 | INIT("\"my\" variable %s can't be in a package"); | |
3474 | EXTCONST char PL_no_localize_ref[] | |
3475 | INIT("Can't localize through a reference"); | |
3476 | EXTCONST char PL_memory_wrap[] | |
3477 | INIT("panic: memory wrap"); | |
3478 | ||
3479 | EXTCONST char PL_uuemap[65] | |
3480 | INIT("`!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_"); | |
3481 | ||
3482 | ||
3483 | #ifdef DOINIT | |
3484 | EXT const char *PL_sig_name[] = { SIG_NAME }; | |
3485 | EXT int PL_sig_num[] = { SIG_NUM }; | |
3486 | #else | |
3487 | EXT const char *PL_sig_name[]; | |
3488 | EXT int PL_sig_num[]; | |
3489 | #endif | |
3490 | ||
3491 | /* fast conversion and case folding tables */ | |
3492 | ||
3493 | #ifdef DOINIT | |
3494 | #ifdef EBCDIC | |
3495 | EXT 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 */ | |
3530 | EXTCONST 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 | |
3566 | EXTCONST unsigned char PL_fold[]; | |
3567 | #endif | |
3568 | ||
3569 | #ifdef DOINIT | |
3570 | EXT 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 | |
3605 | EXT unsigned char PL_fold_locale[]; | |
3606 | #endif | |
3607 | ||
3608 | #ifdef DOINIT | |
3609 | #ifdef EBCDIC | |
3610 | EXT 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 */ | |
3645 | EXTCONST 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 | |
3681 | EXTCONST unsigned char PL_freq[]; | |
3682 | #endif | |
3683 | ||
3684 | #ifdef DEBUGGING | |
3685 | #ifdef DOINIT | |
3686 | EXTCONST char* PL_block_type[] = { | |
3687 | "NULL", | |
3688 | "SUB", | |
3689 | "EVAL", | |
3690 | "LOOP", | |
3691 | "SUBST", | |
3692 | "BLOCK", | |
3693 | }; | |
3694 | #else | |
3695 | EXTCONST char* PL_block_type[]; | |
3696 | #endif | |
3697 | #endif | |
3698 | ||
3699 | END_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 | ||
3720 | typedef enum { | |
3721 | XOPERATOR, | |
3722 | XTERM, | |
3723 | XREF, | |
3724 | XSTATE, | |
3725 | XBLOCK, | |
3726 | XATTRBLOCK, | |
3727 | XATTRTERM, | |
3728 | XTERMBLOCK | |
3729 | } expectation; | |
3730 | ||
3731 | enum { /* 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*/ | |
3812 | struct 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 */ | |
3822 | typedef void (CPERLscope(*peep_t))(pTHX_ OP* o); | |
3823 | typedef regexp*(CPERLscope(*regcomp_t)) (pTHX_ char* exp, char* xend, PMOP* pm); | |
3824 | typedef I32 (CPERLscope(*regexec_t)) (pTHX_ regexp* prog, char* stringarg, | |
3825 | char* strend, char* strbeg, I32 minend, | |
3826 | SV* screamer, void* data, U32 flags); | |
3827 | typedef 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); | |
3831 | typedef SV* (CPERLscope(*re_intuit_string_t)) (pTHX_ regexp *prog); | |
3832 | typedef void (CPERLscope(*regfree_t)) (pTHX_ struct regexp* r); | |
3833 | ||
3834 | typedef void (*DESTRUCTORFUNC_NOCONTEXT_t) (void*); | |
3835 | typedef void (*DESTRUCTORFUNC_t) (pTHX_ void*); | |
3836 | typedef void (*SVFUNC_t) (pTHX_ SV*); | |
3837 | typedef I32 (*SVCOMPARE_t) (pTHX_ SV*, SV*); | |
3838 | typedef void (*XSINIT_t) (pTHX); | |
3839 | typedef void (*ATEXIT_t) (pTHX_ void*); | |
3840 | typedef 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 */ | |
3849 | typedef struct exitlistentry { | |
3850 | void (*fn) (pTHX_ void*); | |
3851 | void *ptr; | |
3852 | } PerlExitListEntry; | |
3853 | ||
3854 | #ifdef PERL_GLOBAL_STRUCT | |
3855 | struct perl_vars { | |
3856 | # include "perlvars.h" | |
3857 | }; | |
3858 | ||
3859 | # ifdef PERL_CORE | |
3860 | EXT struct perl_vars PL_Vars; | |
3861 | EXT struct perl_vars *PL_VarsPtr INIT(&PL_Vars); | |
3862 | # else /* PERL_CORE */ | |
3863 | # if !defined(__GNUC__) || !defined(WIN32) | |
3864 | EXT | |
3865 | # endif /* WIN32 */ | |
3866 | struct 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 | ||
3879 | struct 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 | */ | |
3888 | PERLVARA(object_compatibility,30, char) | |
3889 | }; | |
3890 | ||
3891 | #else | |
3892 | struct 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 | ||
3903 | struct perl_thread { | |
3904 | #include "thrdvar.h" | |
3905 | }; | |
3906 | ||
3907 | typedef struct perl_thread *Thread; | |
3908 | ||
3909 | #else | |
3910 | typedef 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 */ | |
3920 | typedef enum { | |
3921 | e_no_len, /* no length */ | |
3922 | e_number, /* number, [] */ | |
3923 | e_star /* asterisk */ | |
3924 | } howlen_t; | |
3925 | ||
3926 | typedef 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) | |
3972 | START_EXTERN_C | |
3973 | # include "intrpvar.h" | |
3974 | # ifndef USE_5005THREADS | |
3975 | # include "thrdvar.h" | |
3976 | # endif | |
3977 | END_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 | |
3986 | START_EXTERN_C | |
3987 | ||
3988 | # include "perlvars.h" | |
3989 | ||
3990 | END_EXTERN_C | |
3991 | #endif | |
3992 | ||
3993 | #include "reentr.inc" | |
3994 | ||
3995 | #undef PERLVAR | |
3996 | #undef PERLVARA | |
3997 | #undef PERLVARI | |
3998 | #undef PERLVARIC | |
3999 | ||
4000 | START_EXTERN_C | |
4001 | ||
4002 | #ifdef DOINIT | |
4003 | ||
4004 | EXT 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}; | |
4008 | EXT 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}; | |
4011 | EXT MGVTBL PL_vtbl_envelem = {0, MEMBER_TO_FPTR(Perl_magic_setenv), | |
4012 | 0, MEMBER_TO_FPTR(Perl_magic_clearenv), | |
4013 | 0}; | |
4014 | EXT MGVTBL PL_vtbl_sig = {0, 0, 0, 0, 0}; | |
4015 | #ifdef PERL_MICRO | |
4016 | EXT MGVTBL PL_vtbl_sigelem = {0, 0, 0, 0, 0}; | |
4017 | #else | |
4018 | EXT 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 | |
4023 | EXT MGVTBL PL_vtbl_pack = {0, 0, | |
4024 | MEMBER_TO_FPTR(Perl_magic_sizepack), | |
4025 | MEMBER_TO_FPTR(Perl_magic_wipepack), | |
4026 | 0}; | |
4027 | EXT 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}; | |
4031 | EXT MGVTBL PL_vtbl_dbline = {0, MEMBER_TO_FPTR(Perl_magic_setdbline), | |
4032 | 0, 0, 0}; | |
4033 | EXT MGVTBL PL_vtbl_isa = {0, MEMBER_TO_FPTR(Perl_magic_setisa), | |
4034 | 0, MEMBER_TO_FPTR(Perl_magic_setisa), | |
4035 | 0}; | |
4036 | EXT MGVTBL PL_vtbl_isaelem = {0, MEMBER_TO_FPTR(Perl_magic_setisa), | |
4037 | 0, 0, 0}; | |
4038 | EXT MGVTBL PL_vtbl_arylen = {MEMBER_TO_FPTR(Perl_magic_getarylen), | |
4039 | MEMBER_TO_FPTR(Perl_magic_setarylen), | |
4040 | 0, 0, 0}; | |
4041 | EXT MGVTBL PL_vtbl_glob = {MEMBER_TO_FPTR(Perl_magic_getglob), | |
4042 | MEMBER_TO_FPTR(Perl_magic_setglob), | |
4043 | 0, 0, 0}; | |
4044 | EXT MGVTBL PL_vtbl_mglob = {0, MEMBER_TO_FPTR(Perl_magic_setmglob), | |
4045 | 0, 0, 0}; | |
4046 | EXT MGVTBL PL_vtbl_nkeys = {MEMBER_TO_FPTR(Perl_magic_getnkeys), | |
4047 | MEMBER_TO_FPTR(Perl_magic_setnkeys), | |
4048 | 0, 0, 0}; | |
4049 | EXT MGVTBL PL_vtbl_taint = {MEMBER_TO_FPTR(Perl_magic_gettaint), | |
4050 | MEMBER_TO_FPTR(Perl_magic_settaint), | |
4051 | 0, 0, 0}; | |
4052 | EXT MGVTBL PL_vtbl_substr = {MEMBER_TO_FPTR(Perl_magic_getsubstr), | |
4053 | MEMBER_TO_FPTR(Perl_magic_setsubstr), | |
4054 | 0, 0, 0}; | |
4055 | EXT MGVTBL PL_vtbl_vec = {MEMBER_TO_FPTR(Perl_magic_getvec), | |
4056 | MEMBER_TO_FPTR(Perl_magic_setvec), | |
4057 | 0, 0, 0}; | |
4058 | EXT MGVTBL PL_vtbl_pos = {MEMBER_TO_FPTR(Perl_magic_getpos), | |
4059 | MEMBER_TO_FPTR(Perl_magic_setpos), | |
4060 | 0, 0, 0}; | |
4061 | EXT MGVTBL PL_vtbl_bm = {0, MEMBER_TO_FPTR(Perl_magic_setbm), | |
4062 | 0, 0, 0}; | |
4063 | EXT MGVTBL PL_vtbl_fm = {0, MEMBER_TO_FPTR(Perl_magic_setfm), | |
4064 | 0, 0, 0}; | |
4065 | EXT 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 | |
4069 | EXT MGVTBL PL_vtbl_mutex = {0, 0, 0, 0, | |
4070 | MEMBER_TO_FPTR(Perl_magic_mutexfree)}; | |
4071 | #endif /* USE_5005THREADS */ | |
4072 | EXT MGVTBL PL_vtbl_defelem = {MEMBER_TO_FPTR(Perl_magic_getdefelem), | |
4073 | MEMBER_TO_FPTR(Perl_magic_setdefelem), | |
4074 | 0, 0, 0}; | |
4075 | ||
4076 | EXT MGVTBL PL_vtbl_regexp = {0, MEMBER_TO_FPTR(Perl_magic_setregexp),0,0, MEMBER_TO_FPTR(Perl_magic_freeregexp)}; | |
4077 | EXT MGVTBL PL_vtbl_regdata = {0, 0, MEMBER_TO_FPTR(Perl_magic_regdata_cnt), 0, 0}; | |
4078 | EXT 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 | |
4082 | EXT MGVTBL PL_vtbl_collxfrm = {0, | |
4083 | MEMBER_TO_FPTR(Perl_magic_setcollxfrm), | |
4084 | 0, 0, 0}; | |
4085 | #endif | |
4086 | ||
4087 | EXT MGVTBL PL_vtbl_amagic = {0, MEMBER_TO_FPTR(Perl_magic_setamagic), | |
4088 | 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)}; | |
4089 | EXT MGVTBL PL_vtbl_amagicelem = {0, MEMBER_TO_FPTR(Perl_magic_setamagic), | |
4090 | 0, 0, MEMBER_TO_FPTR(Perl_magic_setamagic)}; | |
4091 | ||
4092 | EXT MGVTBL PL_vtbl_backref = {0, 0, | |
4093 | 0, 0, MEMBER_TO_FPTR(Perl_magic_killbackrefs)}; | |
4094 | ||
4095 | EXT MGVTBL PL_vtbl_ovrld = {0, 0, | |
4096 | 0, 0, MEMBER_TO_FPTR(Perl_magic_freeovrld)}; | |
4097 | ||
4098 | EXT MGVTBL PL_vtbl_utf8 = {0, | |
4099 | MEMBER_TO_FPTR(Perl_magic_setutf8), | |
4100 | 0, 0, 0}; | |
4101 | ||
4102 | #else /* !DOINIT */ | |
4103 | ||
4104 | EXT MGVTBL PL_vtbl_sv; | |
4105 | EXT MGVTBL PL_vtbl_env; | |
4106 | EXT MGVTBL PL_vtbl_envelem; | |
4107 | EXT MGVTBL PL_vtbl_sig; | |
4108 | EXT MGVTBL PL_vtbl_sigelem; | |
4109 | EXT MGVTBL PL_vtbl_pack; | |
4110 | EXT MGVTBL PL_vtbl_packelem; | |
4111 | EXT MGVTBL PL_vtbl_dbline; | |
4112 | EXT MGVTBL PL_vtbl_isa; | |
4113 | EXT MGVTBL PL_vtbl_isaelem; | |
4114 | EXT MGVTBL PL_vtbl_arylen; | |
4115 | EXT MGVTBL PL_vtbl_glob; | |
4116 | EXT MGVTBL PL_vtbl_mglob; | |
4117 | EXT MGVTBL PL_vtbl_nkeys; | |
4118 | EXT MGVTBL PL_vtbl_taint; | |
4119 | EXT MGVTBL PL_vtbl_substr; | |
4120 | EXT MGVTBL PL_vtbl_vec; | |
4121 | EXT MGVTBL PL_vtbl_pos; | |
4122 | EXT MGVTBL PL_vtbl_bm; | |
4123 | EXT MGVTBL PL_vtbl_fm; | |
4124 | EXT MGVTBL PL_vtbl_uvar; | |
4125 | EXT MGVTBL PL_vtbl_ovrld; | |
4126 | ||
4127 | #ifdef USE_5005THREADS | |
4128 | EXT MGVTBL PL_vtbl_mutex; | |
4129 | #endif /* USE_5005THREADS */ | |
4130 | ||
4131 | EXT MGVTBL PL_vtbl_defelem; | |
4132 | EXT MGVTBL PL_vtbl_regexp; | |
4133 | EXT MGVTBL PL_vtbl_regdata; | |
4134 | EXT MGVTBL PL_vtbl_regdatum; | |
4135 | ||
4136 | #ifdef USE_LOCALE_COLLATE | |
4137 | EXT MGVTBL PL_vtbl_collxfrm; | |
4138 | #endif | |
4139 | ||
4140 | EXT MGVTBL PL_vtbl_amagic; | |
4141 | EXT MGVTBL PL_vtbl_amagicelem; | |
4142 | ||
4143 | EXT MGVTBL PL_vtbl_backref; | |
4144 | EXT MGVTBL PL_vtbl_utf8; | |
4145 | ||
4146 | #endif /* !DOINIT */ | |
4147 | ||
4148 | enum { | |
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 | |
4190 | EXTCONST 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 | |
4231 | EXTCONST char * PL_AMG_names[NofAMmeth]; | |
4232 | #endif /* def INITAMAGIC */ | |
4233 | ||
4234 | END_EXTERN_C | |
4235 | ||
4236 | struct am_table { | |
4237 | U32 was_ok_sub; | |
4238 | long was_ok_am; | |
4239 | U32 flags; | |
4240 | CV* table[NofAMmeth]; | |
4241 | long fallback; | |
4242 | }; | |
4243 | struct am_table_short { | |
4244 | U32 was_ok_sub; | |
4245 | long was_ok_am; | |
4246 | U32 flags; | |
4247 | }; | |
4248 | typedef struct am_table AMT; | |
4249 | typedef 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) | |
4615 | int 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 | |
4737 | extern 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 |