Commit | Line | Data |
a0d0e21e |
1 | /* util.c |
a687059c |
2 | * |
9607fc9c |
3 | * Copyright (c) 1991-1997, Larry Wall |
a687059c |
4 | * |
d48672a2 |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. |
8d063cd8 |
7 | * |
8d063cd8 |
8 | */ |
a0d0e21e |
9 | |
10 | /* |
11 | * "Very useful, no doubt, that was to Saruman; yet it seems that he was |
12 | * not content." --Gandalf |
13 | */ |
8d063cd8 |
14 | |
8d063cd8 |
15 | #include "EXTERN.h" |
8d063cd8 |
16 | #include "perl.h" |
62b28dd9 |
17 | |
6eb13c3b |
18 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
a687059c |
19 | #include <signal.h> |
62b28dd9 |
20 | #endif |
a687059c |
21 | |
36477c24 |
22 | #ifndef SIG_ERR |
23 | # define SIG_ERR ((Sighandler_t) -1) |
24 | #endif |
25 | |
bd4080b3 |
26 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
85e6fe83 |
27 | #ifdef I_UNISTD |
8990e307 |
28 | # include <unistd.h> |
29 | #endif |
30 | |
a687059c |
31 | #ifdef I_VFORK |
32 | # include <vfork.h> |
33 | #endif |
34 | |
94b6baf5 |
35 | /* Put this after #includes because fork and vfork prototypes may |
36 | conflict. |
37 | */ |
38 | #ifndef HAS_VFORK |
39 | # define vfork fork |
40 | #endif |
41 | |
fe14fcc3 |
42 | #ifdef I_FCNTL |
43 | # include <fcntl.h> |
44 | #endif |
45 | #ifdef I_SYS_FILE |
46 | # include <sys/file.h> |
47 | #endif |
48 | |
ff68c719 |
49 | #ifdef I_SYS_WAIT |
50 | # include <sys/wait.h> |
51 | #endif |
52 | |
8d063cd8 |
53 | #define FLUSH |
8d063cd8 |
54 | |
a0d0e21e |
55 | #ifdef LEAKTEST |
56 | static void xstat _((void)); |
57 | #endif |
58 | |
55497cff |
59 | #ifndef MYMALLOC |
de3bb511 |
60 | |
8d063cd8 |
61 | /* paranoid version of malloc */ |
62 | |
a687059c |
63 | /* NOTE: Do not call the next three routines directly. Use the macros |
64 | * in handy.h, so that we can easily redefine everything to do tracking of |
65 | * allocated hunks back to the original New to track down any memory leaks. |
20cec16a |
66 | * XXX This advice seems to be widely ignored :-( --AD August 1996. |
a687059c |
67 | */ |
68 | |
bd4080b3 |
69 | Malloc_t |
f0f333f4 |
70 | safemalloc(MEM_SIZE size) |
8d063cd8 |
71 | { |
bd4080b3 |
72 | Malloc_t ptr; |
55497cff |
73 | #ifdef HAS_64K_LIMIT |
62b28dd9 |
74 | if (size > 0xffff) { |
760ac839 |
75 | PerlIO_printf(PerlIO_stderr(), "Allocation too large: %lx\n", size) FLUSH; |
79072805 |
76 | my_exit(1); |
62b28dd9 |
77 | } |
55497cff |
78 | #endif /* HAS_64K_LIMIT */ |
34de22dd |
79 | #ifdef DEBUGGING |
80 | if ((long)size < 0) |
463ee0b2 |
81 | croak("panic: malloc"); |
34de22dd |
82 | #endif |
8d063cd8 |
83 | ptr = malloc(size?size:1); /* malloc(0) is NASTY on our system */ |
79072805 |
84 | #if !(defined(I286) || defined(atarist)) |
760ac839 |
85 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%x: (%05d) malloc %ld bytes\n",ptr,an++,(long)size)); |
79072805 |
86 | #else |
760ac839 |
87 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) malloc %ld bytes\n",ptr,an++,(long)size)); |
8d063cd8 |
88 | #endif |
89 | if (ptr != Nullch) |
90 | return ptr; |
7c0587c8 |
91 | else if (nomemok) |
92 | return Nullch; |
8d063cd8 |
93 | else { |
760ac839 |
94 | PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH; |
79072805 |
95 | my_exit(1); |
8d063cd8 |
96 | } |
97 | /*NOTREACHED*/ |
98 | } |
99 | |
100 | /* paranoid version of realloc */ |
101 | |
bd4080b3 |
102 | Malloc_t |
f0f333f4 |
103 | saferealloc(Malloc_t where,MEM_SIZE size) |
8d063cd8 |
104 | { |
bd4080b3 |
105 | Malloc_t ptr; |
ecfc5424 |
106 | #if !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) |
bd4080b3 |
107 | Malloc_t realloc(); |
ecfc5424 |
108 | #endif /* !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) */ |
8d063cd8 |
109 | |
55497cff |
110 | #ifdef HAS_64K_LIMIT |
5f05dabc |
111 | if (size > 0xffff) { |
112 | PerlIO_printf(PerlIO_stderr(), |
113 | "Reallocation too large: %lx\n", size) FLUSH; |
114 | my_exit(1); |
115 | } |
55497cff |
116 | #endif /* HAS_64K_LIMIT */ |
378cc40b |
117 | if (!where) |
463ee0b2 |
118 | croak("Null realloc"); |
34de22dd |
119 | #ifdef DEBUGGING |
120 | if ((long)size < 0) |
463ee0b2 |
121 | croak("panic: realloc"); |
34de22dd |
122 | #endif |
8d063cd8 |
123 | ptr = realloc(where,size?size:1); /* realloc(0) is NASTY on our system */ |
79072805 |
124 | |
125 | #if !(defined(I286) || defined(atarist)) |
126 | DEBUG_m( { |
760ac839 |
127 | PerlIO_printf(Perl_debug_log, "0x%x: (%05d) rfree\n",where,an++); |
128 | PerlIO_printf(Perl_debug_log, "0x%x: (%05d) realloc %ld bytes\n",ptr,an++,(long)size); |
79072805 |
129 | } ) |
130 | #else |
131 | DEBUG_m( { |
760ac839 |
132 | PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) rfree\n",where,an++); |
133 | PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) realloc %ld bytes\n",ptr,an++,(long)size); |
79072805 |
134 | } ) |
8d063cd8 |
135 | #endif |
79072805 |
136 | |
8d063cd8 |
137 | if (ptr != Nullch) |
138 | return ptr; |
7c0587c8 |
139 | else if (nomemok) |
140 | return Nullch; |
8d063cd8 |
141 | else { |
760ac839 |
142 | PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH; |
79072805 |
143 | my_exit(1); |
8d063cd8 |
144 | } |
145 | /*NOTREACHED*/ |
146 | } |
147 | |
148 | /* safe version of free */ |
149 | |
54310121 |
150 | Free_t |
f0f333f4 |
151 | safefree(Malloc_t where) |
8d063cd8 |
152 | { |
79072805 |
153 | #if !(defined(I286) || defined(atarist)) |
f0f333f4 |
154 | DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%x: (%05d) free\n",(char *) where,an++)); |
79072805 |
155 | #else |
f0f333f4 |
156 | DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) free\n",(char *) where,an++)); |
8d063cd8 |
157 | #endif |
378cc40b |
158 | if (where) { |
de3bb511 |
159 | /*SUPPRESS 701*/ |
378cc40b |
160 | free(where); |
161 | } |
8d063cd8 |
162 | } |
163 | |
1050c9ca |
164 | /* safe version of calloc */ |
165 | |
bd4080b3 |
166 | Malloc_t |
f0f333f4 |
167 | safecalloc(MEM_SIZE count, MEM_SIZE size) |
1050c9ca |
168 | { |
bd4080b3 |
169 | Malloc_t ptr; |
1050c9ca |
170 | |
55497cff |
171 | #ifdef HAS_64K_LIMIT |
5f05dabc |
172 | if (size * count > 0xffff) { |
173 | PerlIO_printf(PerlIO_stderr(), |
174 | "Allocation too large: %lx\n", size * count) FLUSH; |
175 | my_exit(1); |
176 | } |
55497cff |
177 | #endif /* HAS_64K_LIMIT */ |
1050c9ca |
178 | #ifdef DEBUGGING |
179 | if ((long)size < 0 || (long)count < 0) |
180 | croak("panic: calloc"); |
181 | #endif |
0b7c1c42 |
182 | size *= count; |
183 | ptr = malloc(size?size:1); /* malloc(0) is NASTY on our system */ |
1050c9ca |
184 | #if !(defined(I286) || defined(atarist)) |
fb73857a |
185 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%x: (%05d) calloc %ld x %ld bytes\n",ptr,an++,(long)count,(long)size)); |
1050c9ca |
186 | #else |
fb73857a |
187 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) calloc %ld x %ld bytes\n",ptr,an++,(long)count,(long)size)); |
1050c9ca |
188 | #endif |
1050c9ca |
189 | if (ptr != Nullch) { |
190 | memset((void*)ptr, 0, size); |
191 | return ptr; |
192 | } |
193 | else if (nomemok) |
194 | return Nullch; |
195 | else { |
760ac839 |
196 | PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH; |
1050c9ca |
197 | my_exit(1); |
198 | } |
199 | /*NOTREACHED*/ |
200 | } |
201 | |
55497cff |
202 | #endif /* !MYMALLOC */ |
de3bb511 |
203 | |
a687059c |
204 | #ifdef LEAKTEST |
205 | |
206 | #define ALIGN sizeof(long) |
8d063cd8 |
207 | |
bd4080b3 |
208 | Malloc_t |
f0f333f4 |
209 | safexmalloc(I32 x, MEM_SIZE size) |
8d063cd8 |
210 | { |
bd4080b3 |
211 | register Malloc_t where; |
8d063cd8 |
212 | |
a687059c |
213 | where = safemalloc(size + ALIGN); |
214 | xcount[x]++; |
215 | where[0] = x % 100; |
216 | where[1] = x / 100; |
217 | return where + ALIGN; |
8d063cd8 |
218 | } |
8d063cd8 |
219 | |
bd4080b3 |
220 | Malloc_t |
f0f333f4 |
221 | safexrealloc(Malloc_t where, MEM_SIZE size) |
a687059c |
222 | { |
bd4080b3 |
223 | register Malloc_t new = saferealloc(where - ALIGN, size + ALIGN); |
a0d0e21e |
224 | return new + ALIGN; |
a687059c |
225 | } |
226 | |
227 | void |
f0f333f4 |
228 | safexfree(Malloc_t where) |
a687059c |
229 | { |
79072805 |
230 | I32 x; |
a687059c |
231 | |
232 | if (!where) |
233 | return; |
234 | where -= ALIGN; |
235 | x = where[0] + 100 * where[1]; |
236 | xcount[x]--; |
237 | safefree(where); |
238 | } |
239 | |
bd4080b3 |
240 | Malloc_t |
f0f333f4 |
241 | safexcalloc(I32 x,MEM_SIZE count, MEM_SIZE size) |
1050c9ca |
242 | { |
bd4080b3 |
243 | register Malloc_t where; |
1050c9ca |
244 | |
245 | where = safexmalloc(x, size * count + ALIGN); |
246 | xcount[x]++; |
247 | memset((void*)where + ALIGN, 0, size * count); |
248 | where[0] = x % 100; |
249 | where[1] = x / 100; |
250 | return where + ALIGN; |
251 | } |
252 | |
7c0587c8 |
253 | static void |
f0f333f4 |
254 | xstat(void) |
8d063cd8 |
255 | { |
79072805 |
256 | register I32 i; |
8d063cd8 |
257 | |
a687059c |
258 | for (i = 0; i < MAXXCOUNT; i++) { |
de3bb511 |
259 | if (xcount[i] > lastxcount[i]) { |
760ac839 |
260 | PerlIO_printf(PerlIO_stderr(),"%2d %2d\t%ld\n", i / 100, i % 100, xcount[i]); |
a687059c |
261 | lastxcount[i] = xcount[i]; |
8d063cd8 |
262 | } |
263 | } |
8d063cd8 |
264 | } |
a687059c |
265 | |
266 | #endif /* LEAKTEST */ |
8d063cd8 |
267 | |
268 | /* copy a string up to some (non-backslashed) delimiter, if any */ |
269 | |
270 | char * |
8ac85365 |
271 | delimcpy(register char *to, register char *toend, register char *from, register char *fromend, register int delim, I32 *retlen) |
8d063cd8 |
272 | { |
fc36a67e |
273 | register I32 tolen; |
274 | for (tolen = 0; from < fromend; from++, tolen++) { |
378cc40b |
275 | if (*from == '\\') { |
276 | if (from[1] == delim) |
277 | from++; |
fc36a67e |
278 | else { |
279 | if (to < toend) |
280 | *to++ = *from; |
281 | tolen++; |
282 | from++; |
283 | } |
378cc40b |
284 | } |
bedebaa5 |
285 | else if (*from == delim) |
8d063cd8 |
286 | break; |
fc36a67e |
287 | if (to < toend) |
288 | *to++ = *from; |
8d063cd8 |
289 | } |
bedebaa5 |
290 | if (to < toend) |
291 | *to = '\0'; |
fc36a67e |
292 | *retlen = tolen; |
8d063cd8 |
293 | return from; |
294 | } |
295 | |
296 | /* return ptr to little string in big string, NULL if not found */ |
378cc40b |
297 | /* This routine was donated by Corey Satten. */ |
8d063cd8 |
298 | |
299 | char * |
8ac85365 |
300 | instr(register char *big, register char *little) |
378cc40b |
301 | { |
302 | register char *s, *x; |
79072805 |
303 | register I32 first; |
378cc40b |
304 | |
a687059c |
305 | if (!little) |
306 | return big; |
307 | first = *little++; |
378cc40b |
308 | if (!first) |
309 | return big; |
310 | while (*big) { |
311 | if (*big++ != first) |
312 | continue; |
313 | for (x=big,s=little; *s; /**/ ) { |
314 | if (!*x) |
315 | return Nullch; |
316 | if (*s++ != *x++) { |
317 | s--; |
318 | break; |
319 | } |
320 | } |
321 | if (!*s) |
322 | return big-1; |
323 | } |
324 | return Nullch; |
325 | } |
8d063cd8 |
326 | |
a687059c |
327 | /* same as instr but allow embedded nulls */ |
328 | |
329 | char * |
8ac85365 |
330 | ninstr(register char *big, register char *bigend, char *little, char *lend) |
8d063cd8 |
331 | { |
a687059c |
332 | register char *s, *x; |
79072805 |
333 | register I32 first = *little; |
a687059c |
334 | register char *littleend = lend; |
378cc40b |
335 | |
a0d0e21e |
336 | if (!first && little >= littleend) |
a687059c |
337 | return big; |
de3bb511 |
338 | if (bigend - big < littleend - little) |
339 | return Nullch; |
a687059c |
340 | bigend -= littleend - little++; |
341 | while (big <= bigend) { |
342 | if (*big++ != first) |
343 | continue; |
344 | for (x=big,s=little; s < littleend; /**/ ) { |
345 | if (*s++ != *x++) { |
346 | s--; |
347 | break; |
348 | } |
349 | } |
350 | if (s >= littleend) |
351 | return big-1; |
378cc40b |
352 | } |
a687059c |
353 | return Nullch; |
354 | } |
355 | |
356 | /* reverse of the above--find last substring */ |
357 | |
358 | char * |
8ac85365 |
359 | rninstr(register char *big, char *bigend, char *little, char *lend) |
a687059c |
360 | { |
361 | register char *bigbeg; |
362 | register char *s, *x; |
79072805 |
363 | register I32 first = *little; |
a687059c |
364 | register char *littleend = lend; |
365 | |
a0d0e21e |
366 | if (!first && little >= littleend) |
a687059c |
367 | return bigend; |
368 | bigbeg = big; |
369 | big = bigend - (littleend - little++); |
370 | while (big >= bigbeg) { |
371 | if (*big-- != first) |
372 | continue; |
373 | for (x=big+2,s=little; s < littleend; /**/ ) { |
374 | if (*s++ != *x++) { |
375 | s--; |
376 | break; |
377 | } |
378 | } |
379 | if (s >= littleend) |
380 | return big+1; |
378cc40b |
381 | } |
a687059c |
382 | return Nullch; |
378cc40b |
383 | } |
a687059c |
384 | |
bbce6d69 |
385 | /* |
386 | * Set up for a new ctype locale. |
387 | */ |
55497cff |
388 | void |
8ac85365 |
389 | perl_new_ctype(char *newctype) |
ef7eada9 |
390 | { |
36477c24 |
391 | #ifdef USE_LOCALE_CTYPE |
392 | |
bbce6d69 |
393 | int i; |
ef7eada9 |
394 | |
bbce6d69 |
395 | for (i = 0; i < 256; i++) { |
396 | if (isUPPER_LC(i)) |
397 | fold_locale[i] = toLOWER_LC(i); |
398 | else if (isLOWER_LC(i)) |
399 | fold_locale[i] = toUPPER_LC(i); |
400 | else |
401 | fold_locale[i] = i; |
402 | } |
bbce6d69 |
403 | |
36477c24 |
404 | #endif /* USE_LOCALE_CTYPE */ |
405 | } |
bbce6d69 |
406 | |
407 | /* |
408 | * Set up for a new collation locale. |
409 | */ |
410 | void |
8ac85365 |
411 | perl_new_collate(char *newcoll) |
bbce6d69 |
412 | { |
36477c24 |
413 | #ifdef USE_LOCALE_COLLATE |
414 | |
bbce6d69 |
415 | if (! newcoll) { |
416 | if (collation_name) { |
417 | ++collation_ix; |
418 | Safefree(collation_name); |
419 | collation_name = NULL; |
420 | collation_standard = TRUE; |
bbce6d69 |
421 | collxfrm_base = 0; |
422 | collxfrm_mult = 2; |
bbce6d69 |
423 | } |
424 | return; |
425 | } |
426 | |
427 | if (! collation_name || strNE(collation_name, newcoll)) { |
428 | ++collation_ix; |
429 | Safefree(collation_name); |
430 | collation_name = savepv(newcoll); |
ff68c719 |
431 | collation_standard = (strEQ(newcoll, "C") || strEQ(newcoll, "POSIX")); |
bbce6d69 |
432 | |
bbce6d69 |
433 | { |
434 | /* 2: at most so many chars ('a', 'b'). */ |
435 | /* 50: surely no system expands a char more. */ |
436 | #define XFRMBUFSIZE (2 * 50) |
437 | char xbuf[XFRMBUFSIZE]; |
438 | Size_t fa = strxfrm(xbuf, "a", XFRMBUFSIZE); |
439 | Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE); |
440 | SSize_t mult = fb - fa; |
441 | if (mult < 1) |
442 | croak("strxfrm() gets absurd"); |
443 | collxfrm_base = (fa > mult) ? (fa - mult) : 0; |
444 | collxfrm_mult = mult; |
445 | } |
bbce6d69 |
446 | } |
bbce6d69 |
447 | |
36477c24 |
448 | #endif /* USE_LOCALE_COLLATE */ |
449 | } |
bbce6d69 |
450 | |
451 | /* |
452 | * Set up for a new numeric locale. |
453 | */ |
454 | void |
8ac85365 |
455 | perl_new_numeric(char *newnum) |
bbce6d69 |
456 | { |
36477c24 |
457 | #ifdef USE_LOCALE_NUMERIC |
458 | |
bbce6d69 |
459 | if (! newnum) { |
460 | if (numeric_name) { |
461 | Safefree(numeric_name); |
462 | numeric_name = NULL; |
463 | numeric_standard = TRUE; |
464 | numeric_local = TRUE; |
465 | } |
466 | return; |
467 | } |
468 | |
469 | if (! numeric_name || strNE(numeric_name, newnum)) { |
470 | Safefree(numeric_name); |
471 | numeric_name = savepv(newnum); |
ff68c719 |
472 | numeric_standard = (strEQ(newnum, "C") || strEQ(newnum, "POSIX")); |
bbce6d69 |
473 | numeric_local = TRUE; |
474 | } |
36477c24 |
475 | |
476 | #endif /* USE_LOCALE_NUMERIC */ |
bbce6d69 |
477 | } |
478 | |
479 | void |
8ac85365 |
480 | perl_set_numeric_standard(void) |
bbce6d69 |
481 | { |
5f05dabc |
482 | #ifdef USE_LOCALE_NUMERIC |
483 | |
bbce6d69 |
484 | if (! numeric_standard) { |
485 | setlocale(LC_NUMERIC, "C"); |
486 | numeric_standard = TRUE; |
487 | numeric_local = FALSE; |
488 | } |
5f05dabc |
489 | |
490 | #endif /* USE_LOCALE_NUMERIC */ |
bbce6d69 |
491 | } |
492 | |
493 | void |
8ac85365 |
494 | perl_set_numeric_local(void) |
bbce6d69 |
495 | { |
5f05dabc |
496 | #ifdef USE_LOCALE_NUMERIC |
497 | |
bbce6d69 |
498 | if (! numeric_local) { |
499 | setlocale(LC_NUMERIC, numeric_name); |
500 | numeric_standard = FALSE; |
501 | numeric_local = TRUE; |
502 | } |
bbce6d69 |
503 | |
36477c24 |
504 | #endif /* USE_LOCALE_NUMERIC */ |
5f05dabc |
505 | } |
36477c24 |
506 | |
bbce6d69 |
507 | |
36477c24 |
508 | /* |
509 | * Initialize locale awareness. |
510 | */ |
f0c5b223 |
511 | int |
8ac85365 |
512 | perl_init_i18nl10n(int printwarn) |
f0c5b223 |
513 | { |
514 | int ok = 1; |
515 | /* returns |
516 | * 1 = set ok or not applicable, |
517 | * 0 = fallback to C locale, |
518 | * -1 = fallback to C locale failed |
519 | */ |
bbce6d69 |
520 | |
36477c24 |
521 | #ifdef USE_LOCALE |
bbce6d69 |
522 | |
36477c24 |
523 | #ifdef USE_LOCALE_CTYPE |
bbce6d69 |
524 | char *curctype = NULL; |
36477c24 |
525 | #endif /* USE_LOCALE_CTYPE */ |
526 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 |
527 | char *curcoll = NULL; |
36477c24 |
528 | #endif /* USE_LOCALE_COLLATE */ |
529 | #ifdef USE_LOCALE_NUMERIC |
bbce6d69 |
530 | char *curnum = NULL; |
36477c24 |
531 | #endif /* USE_LOCALE_NUMERIC */ |
02b32252 |
532 | char *lc_all = getenv("LC_ALL"); |
5f05dabc |
533 | char *lang = getenv("LANG"); |
bbce6d69 |
534 | bool setlocale_failure = FALSE; |
f0c5b223 |
535 | |
02b32252 |
536 | #ifdef LOCALE_ENVIRON_REQUIRED |
537 | |
538 | /* |
539 | * Ultrix setlocale(..., "") fails if there are no environment |
540 | * variables from which to get a locale name. |
541 | */ |
542 | |
543 | bool done = FALSE; |
544 | |
545 | #ifdef LC_ALL |
546 | if (lang) { |
547 | if (setlocale(LC_ALL, "")) |
548 | done = TRUE; |
549 | else |
550 | setlocale_failure = TRUE; |
551 | } |
552 | if (!setlocale_failure) |
553 | #endif /* LC_ALL */ |
554 | { |
555 | #ifdef USE_LOCALE_CTYPE |
556 | if (! (curctype = setlocale(LC_CTYPE, |
557 | (!done && (lang || getenv("LC_CTYPE"))) |
558 | ? "" : Nullch))) |
559 | setlocale_failure = TRUE; |
560 | #endif /* USE_LOCALE_CTYPE */ |
561 | #ifdef USE_LOCALE_COLLATE |
562 | if (! (curcoll = setlocale(LC_COLLATE, |
563 | (!done && (lang || getenv("LC_COLLATE"))) |
564 | ? "" : Nullch))) |
565 | setlocale_failure = TRUE; |
566 | #endif /* USE_LOCALE_COLLATE */ |
567 | #ifdef USE_LOCALE_NUMERIC |
568 | if (! (curnum = setlocale(LC_NUMERIC, |
569 | (!done && (lang || getenv("LC_NUMERIC"))) |
570 | ? "" : Nullch))) |
571 | setlocale_failure = TRUE; |
572 | #endif /* USE_LOCALE_NUMERIC */ |
573 | } |
574 | |
575 | #else /* !LOCALE_ENVIRON_REQUIRED */ |
576 | |
bbce6d69 |
577 | #ifdef LC_ALL |
5f05dabc |
578 | |
bbce6d69 |
579 | if (! setlocale(LC_ALL, "")) |
580 | setlocale_failure = TRUE; |
5f05dabc |
581 | else { |
582 | #ifdef USE_LOCALE_CTYPE |
583 | curctype = setlocale(LC_CTYPE, Nullch); |
584 | #endif /* USE_LOCALE_CTYPE */ |
585 | #ifdef USE_LOCALE_COLLATE |
586 | curcoll = setlocale(LC_COLLATE, Nullch); |
587 | #endif /* USE_LOCALE_COLLATE */ |
588 | #ifdef USE_LOCALE_NUMERIC |
589 | curnum = setlocale(LC_NUMERIC, Nullch); |
590 | #endif /* USE_LOCALE_NUMERIC */ |
591 | } |
592 | |
593 | #else /* !LC_ALL */ |
bbce6d69 |
594 | |
36477c24 |
595 | #ifdef USE_LOCALE_CTYPE |
5f05dabc |
596 | if (! (curctype = setlocale(LC_CTYPE, ""))) |
bbce6d69 |
597 | setlocale_failure = TRUE; |
36477c24 |
598 | #endif /* USE_LOCALE_CTYPE */ |
599 | #ifdef USE_LOCALE_COLLATE |
5f05dabc |
600 | if (! (curcoll = setlocale(LC_COLLATE, ""))) |
bbce6d69 |
601 | setlocale_failure = TRUE; |
36477c24 |
602 | #endif /* USE_LOCALE_COLLATE */ |
603 | #ifdef USE_LOCALE_NUMERIC |
5f05dabc |
604 | if (! (curnum = setlocale(LC_NUMERIC, ""))) |
bbce6d69 |
605 | setlocale_failure = TRUE; |
36477c24 |
606 | #endif /* USE_LOCALE_NUMERIC */ |
bbce6d69 |
607 | |
5f05dabc |
608 | #endif /* LC_ALL */ |
609 | |
02b32252 |
610 | #endif /* !LOCALE_ENVIRON_REQUIRED */ |
611 | |
5f05dabc |
612 | if (setlocale_failure) { |
613 | char *p; |
614 | bool locwarn = (printwarn > 1 || |
615 | printwarn && |
616 | (!(p = getenv("PERL_BADLANG")) || atoi(p))); |
20cec16a |
617 | |
5f05dabc |
618 | if (locwarn) { |
619 | #ifdef LC_ALL |
620 | |
621 | PerlIO_printf(PerlIO_stderr(), |
622 | "perl: warning: Setting locale failed.\n"); |
623 | |
624 | #else /* !LC_ALL */ |
625 | |
ef7eada9 |
626 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 |
627 | "perl: warning: Setting locale failed for the categories:\n\t"); |
36477c24 |
628 | #ifdef USE_LOCALE_CTYPE |
bbce6d69 |
629 | if (! curctype) |
5f05dabc |
630 | PerlIO_printf(PerlIO_stderr(), "LC_CTYPE "); |
36477c24 |
631 | #endif /* USE_LOCALE_CTYPE */ |
632 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 |
633 | if (! curcoll) |
5f05dabc |
634 | PerlIO_printf(PerlIO_stderr(), "LC_COLLATE "); |
36477c24 |
635 | #endif /* USE_LOCALE_COLLATE */ |
636 | #ifdef USE_LOCALE_NUMERIC |
bbce6d69 |
637 | if (! curnum) |
5f05dabc |
638 | PerlIO_printf(PerlIO_stderr(), "LC_NUMERIC "); |
36477c24 |
639 | #endif /* USE_LOCALE_NUMERIC */ |
bbce6d69 |
640 | PerlIO_printf(PerlIO_stderr(), "\n"); |
641 | |
5f05dabc |
642 | #endif /* LC_ALL */ |
643 | |
760ac839 |
644 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 |
645 | "perl: warning: Please check that your locale settings:\n"); |
ef7eada9 |
646 | |
647 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 |
648 | "\tLC_ALL = %c%s%c,\n", |
649 | lc_all ? '"' : '(', |
650 | lc_all ? lc_all : "unset", |
651 | lc_all ? '"' : ')'); |
5f05dabc |
652 | |
653 | { |
654 | char **e; |
655 | for (e = environ; *e; e++) { |
656 | if (strnEQ(*e, "LC_", 3) |
657 | && strnNE(*e, "LC_ALL=", 7) |
658 | && (p = strchr(*e, '='))) |
659 | PerlIO_printf(PerlIO_stderr(), "\t%.*s = \"%s\",\n", |
fb73857a |
660 | (int)(p - *e), *e, p + 1); |
5f05dabc |
661 | } |
662 | } |
663 | |
ef7eada9 |
664 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 |
665 | "\tLANG = %c%s%c\n", |
5f05dabc |
666 | lang ? '"' : '(', |
bbce6d69 |
667 | lang ? lang : "unset", |
668 | lang ? '"' : ')'); |
ef7eada9 |
669 | |
bbce6d69 |
670 | PerlIO_printf(PerlIO_stderr(), |
671 | " are supported and installed on your system.\n"); |
5f05dabc |
672 | } |
ef7eada9 |
673 | |
5f05dabc |
674 | #ifdef LC_ALL |
675 | |
676 | if (setlocale(LC_ALL, "C")) { |
677 | if (locwarn) |
678 | PerlIO_printf(PerlIO_stderr(), |
679 | "perl: warning: Falling back to the standard locale (\"C\").\n"); |
bbce6d69 |
680 | ok = 0; |
ef7eada9 |
681 | } |
5f05dabc |
682 | else { |
683 | if (locwarn) |
684 | PerlIO_printf(PerlIO_stderr(), |
685 | "perl: warning: Failed to fall back to the standard locale (\"C\").\n"); |
686 | ok = -1; |
687 | } |
bbce6d69 |
688 | |
5f05dabc |
689 | #else /* ! LC_ALL */ |
690 | |
691 | if (0 |
36477c24 |
692 | #ifdef USE_LOCALE_CTYPE |
5f05dabc |
693 | || !(curctype || setlocale(LC_CTYPE, "C")) |
36477c24 |
694 | #endif /* USE_LOCALE_CTYPE */ |
695 | #ifdef USE_LOCALE_COLLATE |
5f05dabc |
696 | || !(curcoll || setlocale(LC_COLLATE, "C")) |
36477c24 |
697 | #endif /* USE_LOCALE_COLLATE */ |
698 | #ifdef USE_LOCALE_NUMERIC |
5f05dabc |
699 | || !(curnum || setlocale(LC_NUMERIC, "C")) |
36477c24 |
700 | #endif /* USE_LOCALE_NUMERIC */ |
5f05dabc |
701 | ) |
702 | { |
703 | if (locwarn) |
bbce6d69 |
704 | PerlIO_printf(PerlIO_stderr(), |
5f05dabc |
705 | "perl: warning: Cannot fall back to the standard locale (\"C\").\n"); |
706 | ok = -1; |
bbce6d69 |
707 | } |
5f05dabc |
708 | |
bbce6d69 |
709 | #endif /* ! LC_ALL */ |
5f05dabc |
710 | |
711 | #ifdef USE_LOCALE_CTYPE |
712 | curctype = setlocale(LC_CTYPE, Nullch); |
713 | #endif /* USE_LOCALE_CTYPE */ |
714 | #ifdef USE_LOCALE_COLLATE |
715 | curcoll = setlocale(LC_COLLATE, Nullch); |
716 | #endif /* USE_LOCALE_COLLATE */ |
717 | #ifdef USE_LOCALE_NUMERIC |
718 | curnum = setlocale(LC_NUMERIC, Nullch); |
719 | #endif /* USE_LOCALE_NUMERIC */ |
ef7eada9 |
720 | } |
721 | |
36477c24 |
722 | #ifdef USE_LOCALE_CTYPE |
bbce6d69 |
723 | perl_new_ctype(curctype); |
36477c24 |
724 | #endif /* USE_LOCALE_CTYPE */ |
bbce6d69 |
725 | |
36477c24 |
726 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 |
727 | perl_new_collate(curcoll); |
36477c24 |
728 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 |
729 | |
36477c24 |
730 | #ifdef USE_LOCALE_NUMERIC |
bbce6d69 |
731 | perl_new_numeric(curnum); |
36477c24 |
732 | #endif /* USE_LOCALE_NUMERIC */ |
ef7eada9 |
733 | |
36477c24 |
734 | #endif /* USE_LOCALE */ |
ef7eada9 |
735 | |
f0c5b223 |
736 | return ok; |
737 | } |
738 | |
bbce6d69 |
739 | /* Backwards compatibility. */ |
740 | int |
8ac85365 |
741 | perl_init_i18nl14n(int printwarn) |
bbce6d69 |
742 | { |
5f05dabc |
743 | return perl_init_i18nl10n(printwarn); |
bbce6d69 |
744 | } |
ef7eada9 |
745 | |
36477c24 |
746 | #ifdef USE_LOCALE_COLLATE |
ef7eada9 |
747 | |
bbce6d69 |
748 | /* |
749 | * mem_collxfrm() is a bit like strxfrm() but with two important |
750 | * differences. First, it handles embedded NULs. Second, it allocates |
751 | * a bit more memory than needed for the transformed data itself. |
752 | * The real transformed data begins at offset sizeof(collationix). |
753 | * Please see sv_collxfrm() to see how this is used. |
754 | */ |
755 | char * |
8ac85365 |
756 | mem_collxfrm(const char *s, STRLEN len, STRLEN *xlen) |
bbce6d69 |
757 | { |
758 | char *xbuf; |
759 | STRLEN xalloc, xin, xout; |
760 | |
761 | /* the first sizeof(collationix) bytes are used by sv_collxfrm(). */ |
762 | /* the +1 is for the terminating NUL. */ |
763 | |
764 | xalloc = sizeof(collation_ix) + collxfrm_base + (collxfrm_mult * len) + 1; |
765 | New(171, xbuf, xalloc, char); |
766 | if (! xbuf) |
767 | goto bad; |
768 | |
769 | *(U32*)xbuf = collation_ix; |
770 | xout = sizeof(collation_ix); |
771 | for (xin = 0; xin < len; ) { |
772 | SSize_t xused; |
773 | |
774 | for (;;) { |
775 | xused = strxfrm(xbuf + xout, s + xin, xalloc - xout); |
776 | if (xused == -1) |
777 | goto bad; |
778 | if (xused < xalloc - xout) |
779 | break; |
780 | xalloc = (2 * xalloc) + 1; |
781 | Renew(xbuf, xalloc, char); |
782 | if (! xbuf) |
783 | goto bad; |
784 | } |
ef7eada9 |
785 | |
bbce6d69 |
786 | xin += strlen(s + xin) + 1; |
787 | xout += xused; |
788 | |
789 | /* Embedded NULs are understood but silently skipped |
790 | * because they make no sense in locale collation. */ |
791 | } |
ef7eada9 |
792 | |
bbce6d69 |
793 | xbuf[xout] = '\0'; |
794 | *xlen = xout - sizeof(collation_ix); |
795 | return xbuf; |
796 | |
797 | bad: |
798 | Safefree(xbuf); |
799 | *xlen = 0; |
800 | return NULL; |
ef7eada9 |
801 | } |
802 | |
36477c24 |
803 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 |
804 | |
378cc40b |
805 | void |
8ac85365 |
806 | fbm_compile(SV *sv) |
378cc40b |
807 | { |
a687059c |
808 | register unsigned char *s; |
809 | register unsigned char *table; |
79072805 |
810 | register U32 i; |
811 | register U32 len = SvCUR(sv); |
812 | I32 rarest = 0; |
813 | U32 frequency = 256; |
814 | |
748a9306 |
815 | if (len > 255) |
816 | return; /* can't have offsets that big */ |
79072805 |
817 | Sv_Grow(sv,len+258); |
463ee0b2 |
818 | table = (unsigned char*)(SvPVX(sv) + len + 1); |
a687059c |
819 | s = table - 2; |
820 | for (i = 0; i < 256; i++) { |
378cc40b |
821 | table[i] = len; |
822 | } |
823 | i = 0; |
463ee0b2 |
824 | while (s >= (unsigned char*)(SvPVX(sv))) |
a687059c |
825 | { |
bbce6d69 |
826 | if (table[*s] == len) |
827 | table[*s] = i; |
378cc40b |
828 | s--,i++; |
829 | } |
79072805 |
830 | sv_upgrade(sv, SVt_PVBM); |
bbce6d69 |
831 | sv_magic(sv, Nullsv, 'B', Nullch, 0); /* deep magic */ |
79072805 |
832 | SvVALID_on(sv); |
378cc40b |
833 | |
463ee0b2 |
834 | s = (unsigned char*)(SvPVX(sv)); /* deeper magic */ |
bbce6d69 |
835 | for (i = 0; i < len; i++) { |
836 | if (freq[s[i]] < frequency) { |
837 | rarest = i; |
838 | frequency = freq[s[i]]; |
378cc40b |
839 | } |
840 | } |
79072805 |
841 | BmRARE(sv) = s[rarest]; |
842 | BmPREVIOUS(sv) = rarest; |
760ac839 |
843 | DEBUG_r(PerlIO_printf(Perl_debug_log, "rarest char %c at %d\n",BmRARE(sv),BmPREVIOUS(sv))); |
378cc40b |
844 | } |
845 | |
378cc40b |
846 | char * |
8ac85365 |
847 | fbm_instr(unsigned char *big, register unsigned char *bigend, SV *littlestr) |
378cc40b |
848 | { |
a687059c |
849 | register unsigned char *s; |
79072805 |
850 | register I32 tmp; |
851 | register I32 littlelen; |
a687059c |
852 | register unsigned char *little; |
853 | register unsigned char *table; |
854 | register unsigned char *olds; |
855 | register unsigned char *oldlittle; |
378cc40b |
856 | |
79072805 |
857 | if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) { |
a0d0e21e |
858 | STRLEN len; |
859 | char *l = SvPV(littlestr,len); |
860 | if (!len) |
d48672a2 |
861 | return (char*)big; |
a0d0e21e |
862 | return ninstr((char*)big,(char*)bigend, l, l + len); |
d48672a2 |
863 | } |
378cc40b |
864 | |
79072805 |
865 | littlelen = SvCUR(littlestr); |
866 | if (SvTAIL(littlestr) && !multiline) { /* tail anchored? */ |
0f85fab0 |
867 | if (littlelen > bigend - big) |
868 | return Nullch; |
463ee0b2 |
869 | little = (unsigned char*)SvPVX(littlestr); |
bbce6d69 |
870 | s = bigend - littlelen; |
36477c24 |
871 | if (*s == *little && memEQ((char*)s,(char*)little,littlelen)) |
bbce6d69 |
872 | return (char*)s; /* how sweet it is */ |
873 | else if (bigend[-1] == '\n' && little[littlelen-1] != '\n' |
874 | && s > big) { |
875 | s--; |
36477c24 |
876 | if (*s == *little && memEQ((char*)s,(char*)little,littlelen)) |
bbce6d69 |
877 | return (char*)s; |
a687059c |
878 | } |
bbce6d69 |
879 | return Nullch; |
a687059c |
880 | } |
463ee0b2 |
881 | table = (unsigned char*)(SvPVX(littlestr) + littlelen + 1); |
62b28dd9 |
882 | if (--littlelen >= bigend - big) |
883 | return Nullch; |
884 | s = big + littlelen; |
a687059c |
885 | oldlittle = little = table - 2; |
bbce6d69 |
886 | if (s < bigend) { |
887 | top2: |
888 | /*SUPPRESS 560*/ |
889 | if (tmp = table[*s]) { |
62b28dd9 |
890 | #ifdef POINTERRIGOR |
bbce6d69 |
891 | if (bigend - s > tmp) { |
892 | s += tmp; |
893 | goto top2; |
894 | } |
62b28dd9 |
895 | #else |
bbce6d69 |
896 | if ((s += tmp) < bigend) |
897 | goto top2; |
62b28dd9 |
898 | #endif |
bbce6d69 |
899 | return Nullch; |
a687059c |
900 | } |
bbce6d69 |
901 | else { |
902 | tmp = littlelen; /* less expensive than calling strncmp() */ |
903 | olds = s; |
904 | while (tmp--) { |
905 | if (*--s == *--little) |
906 | continue; |
907 | s = olds + 1; /* here we pay the price for failure */ |
908 | little = oldlittle; |
909 | if (s < bigend) /* fake up continue to outer loop */ |
62b28dd9 |
910 | goto top2; |
62b28dd9 |
911 | return Nullch; |
a687059c |
912 | } |
bbce6d69 |
913 | return (char *)s; |
378cc40b |
914 | } |
915 | } |
916 | return Nullch; |
917 | } |
918 | |
919 | char * |
8ac85365 |
920 | screaminstr(SV *bigstr, SV *littlestr) |
378cc40b |
921 | { |
a687059c |
922 | register unsigned char *s, *x; |
923 | register unsigned char *big; |
79072805 |
924 | register I32 pos; |
925 | register I32 previous; |
926 | register I32 first; |
a687059c |
927 | register unsigned char *little; |
928 | register unsigned char *bigend; |
929 | register unsigned char *littleend; |
378cc40b |
930 | |
79072805 |
931 | if ((pos = screamfirst[BmRARE(littlestr)]) < 0) |
378cc40b |
932 | return Nullch; |
463ee0b2 |
933 | little = (unsigned char *)(SvPVX(littlestr)); |
79072805 |
934 | littleend = little + SvCUR(littlestr); |
378cc40b |
935 | first = *little++; |
79072805 |
936 | previous = BmPREVIOUS(littlestr); |
463ee0b2 |
937 | big = (unsigned char *)(SvPVX(bigstr)); |
79072805 |
938 | bigend = big + SvCUR(bigstr); |
378cc40b |
939 | while (pos < previous) { |
940 | if (!(pos += screamnext[pos])) |
941 | return Nullch; |
942 | } |
de3bb511 |
943 | #ifdef POINTERRIGOR |
bbce6d69 |
944 | do { |
945 | if (big[pos-previous] != first) |
946 | continue; |
947 | for (x=big+pos+1-previous,s=little; s < littleend; /**/ ) { |
948 | if (x >= bigend) |
949 | return Nullch; |
950 | if (*s++ != *x++) { |
951 | s--; |
952 | break; |
de3bb511 |
953 | } |
bbce6d69 |
954 | } |
955 | if (s == littleend) |
956 | return (char *)(big+pos-previous); |
957 | } while ( pos += screamnext[pos] ); |
de3bb511 |
958 | #else /* !POINTERRIGOR */ |
959 | big -= previous; |
bbce6d69 |
960 | do { |
961 | if (big[pos] != first) |
962 | continue; |
963 | for (x=big+pos+1,s=little; s < littleend; /**/ ) { |
964 | if (x >= bigend) |
965 | return Nullch; |
966 | if (*s++ != *x++) { |
967 | s--; |
968 | break; |
378cc40b |
969 | } |
bbce6d69 |
970 | } |
971 | if (s == littleend) |
972 | return (char *)(big+pos); |
973 | } while ( pos += screamnext[pos] ); |
de3bb511 |
974 | #endif /* POINTERRIGOR */ |
8d063cd8 |
975 | return Nullch; |
976 | } |
977 | |
79072805 |
978 | I32 |
8ac85365 |
979 | ibcmp(char *s1, char *s2, register I32 len) |
79072805 |
980 | { |
bbce6d69 |
981 | register U8 *a = (U8 *)s1; |
982 | register U8 *b = (U8 *)s2; |
79072805 |
983 | while (len--) { |
bbce6d69 |
984 | if (*a != *b && *a != fold[*b]) |
985 | return 1; |
986 | a++,b++; |
987 | } |
988 | return 0; |
989 | } |
990 | |
991 | I32 |
8ac85365 |
992 | ibcmp_locale(char *s1, char *s2, register I32 len) |
bbce6d69 |
993 | { |
994 | register U8 *a = (U8 *)s1; |
995 | register U8 *b = (U8 *)s2; |
996 | while (len--) { |
997 | if (*a != *b && *a != fold_locale[*b]) |
998 | return 1; |
999 | a++,b++; |
79072805 |
1000 | } |
1001 | return 0; |
1002 | } |
1003 | |
8d063cd8 |
1004 | /* copy a string to a safe spot */ |
1005 | |
1006 | char * |
8ac85365 |
1007 | savepv(char *sv) |
8d063cd8 |
1008 | { |
a687059c |
1009 | register char *newaddr; |
8d063cd8 |
1010 | |
79072805 |
1011 | New(902,newaddr,strlen(sv)+1,char); |
1012 | (void)strcpy(newaddr,sv); |
8d063cd8 |
1013 | return newaddr; |
1014 | } |
1015 | |
a687059c |
1016 | /* same thing but with a known length */ |
1017 | |
1018 | char * |
8ac85365 |
1019 | savepvn(char *sv, register I32 len) |
a687059c |
1020 | { |
1021 | register char *newaddr; |
1022 | |
1023 | New(903,newaddr,len+1,char); |
79072805 |
1024 | Copy(sv,newaddr,len,char); /* might not be null terminated */ |
a687059c |
1025 | newaddr[len] = '\0'; /* is now */ |
1026 | return newaddr; |
1027 | } |
1028 | |
fc36a67e |
1029 | /* the SV for form() and mess() is not kept in an arena */ |
1030 | |
1031 | static SV * |
8ac85365 |
1032 | mess_alloc(void) |
fc36a67e |
1033 | { |
1034 | SV *sv; |
1035 | XPVMG *any; |
1036 | |
1037 | /* Create as PVMG now, to avoid any upgrading later */ |
1038 | New(905, sv, 1, SV); |
1039 | Newz(905, any, 1, XPVMG); |
1040 | SvFLAGS(sv) = SVt_PVMG; |
1041 | SvANY(sv) = (void*)any; |
1042 | SvREFCNT(sv) = 1 << 30; /* practically infinite */ |
1043 | return sv; |
1044 | } |
1045 | |
a0d0e21e |
1046 | #ifdef I_STDARG |
8990e307 |
1047 | char * |
46fc3d4c |
1048 | form(const char* pat, ...) |
a687059c |
1049 | #else |
1050 | /*VARARGS0*/ |
de3bb511 |
1051 | char * |
46fc3d4c |
1052 | form(pat, va_alist) |
71be2cbc |
1053 | const char *pat; |
46fc3d4c |
1054 | va_dcl |
8990e307 |
1055 | #endif |
1056 | { |
46fc3d4c |
1057 | va_list args; |
1058 | #ifdef I_STDARG |
1059 | va_start(args, pat); |
a687059c |
1060 | #else |
46fc3d4c |
1061 | va_start(args); |
d48672a2 |
1062 | #endif |
fc36a67e |
1063 | if (!mess_sv) |
1064 | mess_sv = mess_alloc(); |
1065 | sv_vsetpvfn(mess_sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c |
1066 | va_end(args); |
fc36a67e |
1067 | return SvPVX(mess_sv); |
46fc3d4c |
1068 | } |
a687059c |
1069 | |
46fc3d4c |
1070 | char * |
8ac85365 |
1071 | mess(const char *pat, va_list *args) |
46fc3d4c |
1072 | { |
1073 | SV *sv; |
1074 | static char dgd[] = " during global destruction.\n"; |
1075 | |
46fc3d4c |
1076 | if (!mess_sv) |
fc36a67e |
1077 | mess_sv = mess_alloc(); |
46fc3d4c |
1078 | sv = mess_sv; |
fc36a67e |
1079 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
46fc3d4c |
1080 | if (!SvCUR(sv) || *(SvEND(sv) - 1) != '\n') { |
e858de61 |
1081 | dTHR; |
2304df62 |
1082 | if (dirty) |
46fc3d4c |
1083 | sv_catpv(sv, dgd); |
2304df62 |
1084 | else { |
46fc3d4c |
1085 | if (curcop->cop_line) |
fc36a67e |
1086 | sv_catpvf(sv, " at %_ line %ld", |
46fc3d4c |
1087 | GvSV(curcop->cop_filegv), (long)curcop->cop_line); |
c07a80fd |
1088 | if (GvIO(last_in_gv) && IoLINES(GvIOp(last_in_gv))) { |
1089 | bool line_mode = (RsSIMPLE(rs) && |
1090 | SvLEN(rs) == 1 && *SvPVX(rs) == '\n'); |
46fc3d4c |
1091 | sv_catpvf(sv, ", <%s> %s %ld", |
1092 | last_in_gv == argvgv ? "" : GvNAME(last_in_gv), |
1093 | line_mode ? "line" : "chunk", |
1094 | (long)IoLINES(GvIOp(last_in_gv))); |
2304df62 |
1095 | } |
46fc3d4c |
1096 | sv_catpv(sv, ".\n"); |
a687059c |
1097 | } |
a687059c |
1098 | } |
46fc3d4c |
1099 | return SvPVX(sv); |
a687059c |
1100 | } |
1101 | |
ecfc5424 |
1102 | #ifdef I_STDARG |
36477c24 |
1103 | OP * |
71be2cbc |
1104 | die(const char* pat, ...) |
36477c24 |
1105 | #else |
1106 | /*VARARGS0*/ |
1107 | OP * |
1108 | die(pat, va_alist) |
71be2cbc |
1109 | const char *pat; |
36477c24 |
1110 | va_dcl |
1111 | #endif |
1112 | { |
5dc0d613 |
1113 | dTHR; |
36477c24 |
1114 | va_list args; |
1115 | char *message; |
035902c7 |
1116 | I32 oldrunlevel = runlevel; |
36477c24 |
1117 | int was_in_eval = in_eval; |
1118 | HV *stash; |
1119 | GV *gv; |
1120 | CV *cv; |
1121 | |
d9f997d7 |
1122 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "die: curstack = %p, mainstack= %p\n", |
0f15f207 |
1123 | curstack, mainstack));/*debug*/ |
36477c24 |
1124 | /* We have to switch back to mainstack or die_where may try to pop |
1125 | * the eval block from the wrong stack if die is being called from a |
1126 | * signal handler. - dkindred@cs.cmu.edu */ |
1127 | if (curstack != mainstack) { |
1128 | dSP; |
1129 | SWITCHSTACK(curstack, mainstack); |
1130 | } |
1131 | |
1132 | #ifdef I_STDARG |
1133 | va_start(args, pat); |
1134 | #else |
1135 | va_start(args); |
1136 | #endif |
1137 | message = mess(pat, &args); |
1138 | va_end(args); |
1139 | |
d9f997d7 |
1140 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "die: message = %s\ndiehook = %p\n", |
0f15f207 |
1141 | message, diehook));/*debug*/ |
1738f5c4 |
1142 | if (diehook) { |
1143 | /* sv_2cv might call croak() */ |
1144 | SV *olddiehook = diehook; |
1145 | ENTER; |
1146 | SAVESPTR(diehook); |
1147 | diehook = Nullsv; |
1148 | cv = sv_2cv(olddiehook, &stash, &gv, 0); |
1149 | LEAVE; |
1150 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { |
1151 | dSP; |
774d564b |
1152 | SV *msg; |
1153 | |
1154 | ENTER; |
1155 | msg = newSVpv(message, 0); |
1156 | SvREADONLY_on(msg); |
1157 | SAVEFREESV(msg); |
1738f5c4 |
1158 | |
1159 | PUSHMARK(sp); |
1160 | XPUSHs(msg); |
1161 | PUTBACK; |
1162 | perl_call_sv((SV*)cv, G_DISCARD); |
1163 | |
774d564b |
1164 | LEAVE; |
1738f5c4 |
1165 | } |
36477c24 |
1166 | } |
1167 | |
1168 | restartop = die_where(message); |
d9f997d7 |
1169 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
0f15f207 |
1170 | "die: restartop = %p, was_in_eval = %d, oldrunlevel = %d\n", |
1171 | restartop, was_in_eval, oldrunlevel));/*debug*/ |
36477c24 |
1172 | if ((!restartop && was_in_eval) || oldrunlevel > 1) |
54310121 |
1173 | JMPENV_JUMP(3); |
36477c24 |
1174 | return restartop; |
1175 | } |
1176 | |
1177 | #ifdef I_STDARG |
79072805 |
1178 | void |
71be2cbc |
1179 | croak(const char* pat, ...) |
463ee0b2 |
1180 | #else |
8990e307 |
1181 | /*VARARGS0*/ |
1182 | void |
1183 | croak(pat, va_alist) |
1184 | char *pat; |
1185 | va_dcl |
463ee0b2 |
1186 | #endif |
a687059c |
1187 | { |
11343788 |
1188 | dTHR; |
a687059c |
1189 | va_list args; |
de3bb511 |
1190 | char *message; |
748a9306 |
1191 | HV *stash; |
1192 | GV *gv; |
1193 | CV *cv; |
a687059c |
1194 | |
a0d0e21e |
1195 | #ifdef I_STDARG |
8990e307 |
1196 | va_start(args, pat); |
1197 | #else |
a687059c |
1198 | va_start(args); |
8990e307 |
1199 | #endif |
2304df62 |
1200 | message = mess(pat, &args); |
a687059c |
1201 | va_end(args); |
11343788 |
1202 | #ifdef USE_THREADS |
d9f997d7 |
1203 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "croak: 0x%lx %s", (unsigned long) thr, message)); |
11343788 |
1204 | #endif /* USE_THREADS */ |
20cec16a |
1205 | if (diehook) { |
1738f5c4 |
1206 | /* sv_2cv might call croak() */ |
20cec16a |
1207 | SV *olddiehook = diehook; |
1738f5c4 |
1208 | ENTER; |
1209 | SAVESPTR(diehook); |
1210 | diehook = Nullsv; |
20cec16a |
1211 | cv = sv_2cv(olddiehook, &stash, &gv, 0); |
1738f5c4 |
1212 | LEAVE; |
1213 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { |
20cec16a |
1214 | dSP; |
774d564b |
1215 | SV *msg; |
1216 | |
1217 | ENTER; |
1218 | msg = newSVpv(message, 0); |
1219 | SvREADONLY_on(msg); |
1220 | SAVEFREESV(msg); |
20cec16a |
1221 | |
1222 | PUSHMARK(sp); |
1738f5c4 |
1223 | XPUSHs(msg); |
20cec16a |
1224 | PUTBACK; |
1225 | perl_call_sv((SV*)cv, G_DISCARD); |
36477c24 |
1226 | |
774d564b |
1227 | LEAVE; |
20cec16a |
1228 | } |
748a9306 |
1229 | } |
a0d0e21e |
1230 | if (in_eval) { |
1231 | restartop = die_where(message); |
54310121 |
1232 | JMPENV_JUMP(3); |
a0d0e21e |
1233 | } |
760ac839 |
1234 | PerlIO_puts(PerlIO_stderr(),message); |
1235 | (void)PerlIO_flush(PerlIO_stderr()); |
f86702cc |
1236 | my_failure_exit(); |
a687059c |
1237 | } |
1238 | |
8990e307 |
1239 | void |
ecfc5424 |
1240 | #ifdef I_STDARG |
71be2cbc |
1241 | warn(const char* pat,...) |
463ee0b2 |
1242 | #else |
8990e307 |
1243 | /*VARARGS0*/ |
1244 | warn(pat,va_alist) |
71be2cbc |
1245 | const char *pat; |
8990e307 |
1246 | va_dcl |
463ee0b2 |
1247 | #endif |
a687059c |
1248 | { |
1249 | va_list args; |
de3bb511 |
1250 | char *message; |
748a9306 |
1251 | HV *stash; |
1252 | GV *gv; |
1253 | CV *cv; |
a687059c |
1254 | |
a0d0e21e |
1255 | #ifdef I_STDARG |
8990e307 |
1256 | va_start(args, pat); |
1257 | #else |
a687059c |
1258 | va_start(args); |
8990e307 |
1259 | #endif |
2304df62 |
1260 | message = mess(pat, &args); |
a687059c |
1261 | va_end(args); |
1262 | |
20cec16a |
1263 | if (warnhook) { |
1738f5c4 |
1264 | /* sv_2cv might call warn() */ |
11343788 |
1265 | dTHR; |
20cec16a |
1266 | SV *oldwarnhook = warnhook; |
1738f5c4 |
1267 | ENTER; |
1268 | SAVESPTR(warnhook); |
1269 | warnhook = Nullsv; |
20cec16a |
1270 | cv = sv_2cv(oldwarnhook, &stash, &gv, 0); |
1738f5c4 |
1271 | LEAVE; |
1272 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { |
20cec16a |
1273 | dSP; |
774d564b |
1274 | SV *msg; |
1275 | |
1276 | ENTER; |
1277 | msg = newSVpv(message, 0); |
1278 | SvREADONLY_on(msg); |
1279 | SAVEFREESV(msg); |
1280 | |
20cec16a |
1281 | PUSHMARK(sp); |
774d564b |
1282 | XPUSHs(msg); |
20cec16a |
1283 | PUTBACK; |
1284 | perl_call_sv((SV*)cv, G_DISCARD); |
774d564b |
1285 | |
1286 | LEAVE; |
20cec16a |
1287 | return; |
1288 | } |
748a9306 |
1289 | } |
20cec16a |
1290 | PerlIO_puts(PerlIO_stderr(),message); |
a687059c |
1291 | #ifdef LEAKTEST |
20cec16a |
1292 | DEBUG_L(xstat()); |
a687059c |
1293 | #endif |
20cec16a |
1294 | (void)PerlIO_flush(PerlIO_stderr()); |
a687059c |
1295 | } |
8d063cd8 |
1296 | |
a0d0e21e |
1297 | #ifndef VMS /* VMS' my_setenv() is in VMS.c */ |
3e3baf6d |
1298 | #ifndef WIN32 |
8d063cd8 |
1299 | void |
8ac85365 |
1300 | my_setenv(char *nam, char *val) |
8d063cd8 |
1301 | { |
79072805 |
1302 | register I32 i=setenv_getix(nam); /* where does it go? */ |
8d063cd8 |
1303 | |
fe14fcc3 |
1304 | if (environ == origenviron) { /* need we copy environment? */ |
79072805 |
1305 | I32 j; |
1306 | I32 max; |
fe14fcc3 |
1307 | char **tmpenv; |
1308 | |
de3bb511 |
1309 | /*SUPPRESS 530*/ |
fe14fcc3 |
1310 | for (max = i; environ[max]; max++) ; |
1311 | New(901,tmpenv, max+2, char*); |
1312 | for (j=0; j<max; j++) /* copy environment */ |
a0d0e21e |
1313 | tmpenv[j] = savepv(environ[j]); |
fe14fcc3 |
1314 | tmpenv[max] = Nullch; |
1315 | environ = tmpenv; /* tell exec where it is now */ |
1316 | } |
a687059c |
1317 | if (!val) { |
e5ebf479 |
1318 | Safefree(environ[i]); |
a687059c |
1319 | while (environ[i]) { |
1320 | environ[i] = environ[i+1]; |
1321 | i++; |
1322 | } |
1323 | return; |
1324 | } |
8d063cd8 |
1325 | if (!environ[i]) { /* does not exist yet */ |
fe14fcc3 |
1326 | Renew(environ, i+2, char*); /* just expand it a bit */ |
8d063cd8 |
1327 | environ[i+1] = Nullch; /* make sure it's null terminated */ |
1328 | } |
fe14fcc3 |
1329 | else |
1330 | Safefree(environ[i]); |
a687059c |
1331 | New(904, environ[i], strlen(nam) + strlen(val) + 2, char); |
62b28dd9 |
1332 | #ifndef MSDOS |
a687059c |
1333 | (void)sprintf(environ[i],"%s=%s",nam,val);/* all that work just for this */ |
62b28dd9 |
1334 | #else |
1335 | /* MS-DOS requires environment variable names to be in uppercase */ |
fe14fcc3 |
1336 | /* [Tom Dinger, 27 August 1990: Well, it doesn't _require_ it, but |
1337 | * some utilities and applications may break because they only look |
1338 | * for upper case strings. (Fixed strupr() bug here.)] |
1339 | */ |
1340 | strcpy(environ[i],nam); strupr(environ[i]); |
62b28dd9 |
1341 | (void)sprintf(environ[i] + strlen(nam),"=%s",val); |
1342 | #endif /* MSDOS */ |
8d063cd8 |
1343 | } |
1344 | |
3e3baf6d |
1345 | #else /* if WIN32 */ |
68dc0745 |
1346 | |
1347 | void |
1348 | my_setenv(nam,val) |
1349 | char *nam, *val; |
1350 | { |
3e3baf6d |
1351 | |
1352 | #ifdef USE_WIN32_RTL_ENV |
1353 | |
68dc0745 |
1354 | register char *envstr; |
1355 | STRLEN namlen = strlen(nam); |
3e3baf6d |
1356 | STRLEN vallen; |
1357 | char *oldstr = environ[setenv_getix(nam)]; |
1358 | |
1359 | /* putenv() has totally broken semantics in both the Borland |
1360 | * and Microsoft CRTLs. They either store the passed pointer in |
1361 | * the environment without making a copy, or make a copy and don't |
1362 | * free it. And on top of that, they dont free() old entries that |
1363 | * are being replaced/deleted. This means the caller must |
1364 | * free any old entries somehow, or we end up with a memory |
1365 | * leak every time my_setenv() is called. One might think |
1366 | * one could directly manipulate environ[], like the UNIX code |
1367 | * above, but direct changes to environ are not allowed when |
1368 | * calling putenv(), since the RTLs maintain an internal |
1369 | * *copy* of environ[]. Bad, bad, *bad* stink. |
1370 | * GSAR 97-06-07 |
1371 | */ |
68dc0745 |
1372 | |
3e3baf6d |
1373 | if (!val) { |
1374 | if (!oldstr) |
1375 | return; |
1376 | val = ""; |
1377 | vallen = 0; |
1378 | } |
1379 | else |
1380 | vallen = strlen(val); |
fc36a67e |
1381 | New(904, envstr, namlen + vallen + 3, char); |
68dc0745 |
1382 | (void)sprintf(envstr,"%s=%s",nam,val); |
3e3baf6d |
1383 | (void)putenv(envstr); |
1384 | if (oldstr) |
1385 | Safefree(oldstr); |
1386 | #ifdef _MSC_VER |
1387 | Safefree(envstr); /* MSVCRT leaks without this */ |
1388 | #endif |
1389 | |
1390 | #else /* !USE_WIN32_RTL_ENV */ |
1391 | |
1392 | /* The sane way to deal with the environment. |
1393 | * Has these advantages over putenv() & co.: |
1394 | * * enables us to store a truly empty value in the |
1395 | * environment (like in UNIX). |
1396 | * * we don't have to deal with RTL globals, bugs and leaks. |
1397 | * * Much faster. |
1398 | * Why you may want to enable USE_WIN32_RTL_ENV: |
1399 | * * environ[] and RTL functions will not reflect changes, |
1400 | * which might be an issue if extensions want to access |
1401 | * the env. via RTL. This cuts both ways, since RTL will |
1402 | * not see changes made by extensions that call the Win32 |
1403 | * functions directly, either. |
1404 | * GSAR 97-06-07 |
1405 | */ |
1406 | SetEnvironmentVariable(nam,val); |
1407 | |
1408 | #endif |
1409 | } |
1410 | |
1411 | #endif /* WIN32 */ |
1412 | |
1413 | I32 |
8ac85365 |
1414 | setenv_getix(char *nam) |
3e3baf6d |
1415 | { |
1416 | register I32 i, len = strlen(nam); |
1417 | |
1418 | for (i = 0; environ[i]; i++) { |
1419 | if ( |
1420 | #ifdef WIN32 |
1421 | strnicmp(environ[i],nam,len) == 0 |
1422 | #else |
1423 | strnEQ(environ[i],nam,len) |
1424 | #endif |
1425 | && environ[i][len] == '=') |
1426 | break; /* strnEQ must come first to avoid */ |
1427 | } /* potential SEGV's */ |
1428 | return i; |
68dc0745 |
1429 | } |
1430 | |
a0d0e21e |
1431 | #endif /* !VMS */ |
378cc40b |
1432 | |
16d20bd9 |
1433 | #ifdef UNLINK_ALL_VERSIONS |
79072805 |
1434 | I32 |
378cc40b |
1435 | unlnk(f) /* unlink all versions of a file */ |
1436 | char *f; |
1437 | { |
79072805 |
1438 | I32 i; |
378cc40b |
1439 | |
1440 | for (i = 0; unlink(f) >= 0; i++) ; |
1441 | return i ? 0 : -1; |
1442 | } |
1443 | #endif |
1444 | |
85e6fe83 |
1445 | #if !defined(HAS_BCOPY) || !defined(HAS_SAFE_BCOPY) |
378cc40b |
1446 | char * |
7c0587c8 |
1447 | my_bcopy(from,to,len) |
378cc40b |
1448 | register char *from; |
1449 | register char *to; |
79072805 |
1450 | register I32 len; |
378cc40b |
1451 | { |
1452 | char *retval = to; |
1453 | |
7c0587c8 |
1454 | if (from - to >= 0) { |
1455 | while (len--) |
1456 | *to++ = *from++; |
1457 | } |
1458 | else { |
1459 | to += len; |
1460 | from += len; |
1461 | while (len--) |
faf8582f |
1462 | *(--to) = *(--from); |
7c0587c8 |
1463 | } |
378cc40b |
1464 | return retval; |
1465 | } |
ffed7fef |
1466 | #endif |
378cc40b |
1467 | |
fc36a67e |
1468 | #ifndef HAS_MEMSET |
1469 | void * |
1470 | my_memset(loc,ch,len) |
1471 | register char *loc; |
1472 | register I32 ch; |
1473 | register I32 len; |
1474 | { |
1475 | char *retval = loc; |
1476 | |
1477 | while (len--) |
1478 | *loc++ = ch; |
1479 | return retval; |
1480 | } |
1481 | #endif |
1482 | |
7c0587c8 |
1483 | #if !defined(HAS_BZERO) && !defined(HAS_MEMSET) |
378cc40b |
1484 | char * |
7c0587c8 |
1485 | my_bzero(loc,len) |
378cc40b |
1486 | register char *loc; |
79072805 |
1487 | register I32 len; |
378cc40b |
1488 | { |
1489 | char *retval = loc; |
1490 | |
1491 | while (len--) |
1492 | *loc++ = 0; |
1493 | return retval; |
1494 | } |
1495 | #endif |
7c0587c8 |
1496 | |
36477c24 |
1497 | #if !defined(HAS_MEMCMP) || !defined(HAS_SANE_MEMCMP) |
79072805 |
1498 | I32 |
7c0587c8 |
1499 | my_memcmp(s1,s2,len) |
36477c24 |
1500 | char *s1; |
1501 | char *s2; |
79072805 |
1502 | register I32 len; |
7c0587c8 |
1503 | { |
36477c24 |
1504 | register U8 *a = (U8 *)s1; |
1505 | register U8 *b = (U8 *)s2; |
79072805 |
1506 | register I32 tmp; |
7c0587c8 |
1507 | |
1508 | while (len--) { |
36477c24 |
1509 | if (tmp = *a++ - *b++) |
7c0587c8 |
1510 | return tmp; |
1511 | } |
1512 | return 0; |
1513 | } |
36477c24 |
1514 | #endif /* !HAS_MEMCMP || !HAS_SANE_MEMCMP */ |
a687059c |
1515 | |
4633a7c4 |
1516 | #if defined(I_STDARG) || defined(I_VARARGS) |
fe14fcc3 |
1517 | #ifndef HAS_VPRINTF |
a687059c |
1518 | |
85e6fe83 |
1519 | #ifdef USE_CHAR_VSPRINTF |
a687059c |
1520 | char * |
1521 | #else |
1522 | int |
1523 | #endif |
1524 | vsprintf(dest, pat, args) |
71be2cbc |
1525 | char *dest; |
1526 | const char *pat; |
1527 | char *args; |
a687059c |
1528 | { |
1529 | FILE fakebuf; |
1530 | |
1531 | fakebuf._ptr = dest; |
1532 | fakebuf._cnt = 32767; |
35c8bce7 |
1533 | #ifndef _IOSTRG |
1534 | #define _IOSTRG 0 |
1535 | #endif |
a687059c |
1536 | fakebuf._flag = _IOWRT|_IOSTRG; |
1537 | _doprnt(pat, args, &fakebuf); /* what a kludge */ |
1538 | (void)putc('\0', &fakebuf); |
85e6fe83 |
1539 | #ifdef USE_CHAR_VSPRINTF |
a687059c |
1540 | return(dest); |
1541 | #else |
1542 | return 0; /* perl doesn't use return value */ |
1543 | #endif |
1544 | } |
1545 | |
fe14fcc3 |
1546 | #endif /* HAS_VPRINTF */ |
4633a7c4 |
1547 | #endif /* I_VARARGS || I_STDARGS */ |
a687059c |
1548 | |
1549 | #ifdef MYSWAP |
ffed7fef |
1550 | #if BYTEORDER != 0x4321 |
a687059c |
1551 | short |
748a9306 |
1552 | #ifndef CAN_PROTOTYPE |
a687059c |
1553 | my_swap(s) |
1554 | short s; |
748a9306 |
1555 | #else |
1556 | my_swap(short s) |
1557 | #endif |
a687059c |
1558 | { |
1559 | #if (BYTEORDER & 1) == 0 |
1560 | short result; |
1561 | |
1562 | result = ((s & 255) << 8) + ((s >> 8) & 255); |
1563 | return result; |
1564 | #else |
1565 | return s; |
1566 | #endif |
1567 | } |
1568 | |
1569 | long |
748a9306 |
1570 | #ifndef CAN_PROTOTYPE |
1571 | my_htonl(l) |
a687059c |
1572 | register long l; |
748a9306 |
1573 | #else |
1574 | my_htonl(long l) |
1575 | #endif |
a687059c |
1576 | { |
1577 | union { |
1578 | long result; |
ffed7fef |
1579 | char c[sizeof(long)]; |
a687059c |
1580 | } u; |
1581 | |
ffed7fef |
1582 | #if BYTEORDER == 0x1234 |
a687059c |
1583 | u.c[0] = (l >> 24) & 255; |
1584 | u.c[1] = (l >> 16) & 255; |
1585 | u.c[2] = (l >> 8) & 255; |
1586 | u.c[3] = l & 255; |
1587 | return u.result; |
1588 | #else |
ffed7fef |
1589 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
463ee0b2 |
1590 | croak("Unknown BYTEORDER\n"); |
a687059c |
1591 | #else |
79072805 |
1592 | register I32 o; |
1593 | register I32 s; |
a687059c |
1594 | |
ffed7fef |
1595 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
1596 | u.c[o & 0xf] = (l >> s) & 255; |
a687059c |
1597 | } |
1598 | return u.result; |
1599 | #endif |
1600 | #endif |
1601 | } |
1602 | |
1603 | long |
748a9306 |
1604 | #ifndef CAN_PROTOTYPE |
1605 | my_ntohl(l) |
a687059c |
1606 | register long l; |
748a9306 |
1607 | #else |
1608 | my_ntohl(long l) |
1609 | #endif |
a687059c |
1610 | { |
1611 | union { |
1612 | long l; |
ffed7fef |
1613 | char c[sizeof(long)]; |
a687059c |
1614 | } u; |
1615 | |
ffed7fef |
1616 | #if BYTEORDER == 0x1234 |
a687059c |
1617 | u.c[0] = (l >> 24) & 255; |
1618 | u.c[1] = (l >> 16) & 255; |
1619 | u.c[2] = (l >> 8) & 255; |
1620 | u.c[3] = l & 255; |
1621 | return u.l; |
1622 | #else |
ffed7fef |
1623 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
463ee0b2 |
1624 | croak("Unknown BYTEORDER\n"); |
a687059c |
1625 | #else |
79072805 |
1626 | register I32 o; |
1627 | register I32 s; |
a687059c |
1628 | |
1629 | u.l = l; |
1630 | l = 0; |
ffed7fef |
1631 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
1632 | l |= (u.c[o & 0xf] & 255) << s; |
a687059c |
1633 | } |
1634 | return l; |
1635 | #endif |
1636 | #endif |
1637 | } |
1638 | |
ffed7fef |
1639 | #endif /* BYTEORDER != 0x4321 */ |
988174c1 |
1640 | #endif /* MYSWAP */ |
1641 | |
1642 | /* |
1643 | * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. |
1644 | * If these functions are defined, |
1645 | * the BYTEORDER is neither 0x1234 nor 0x4321. |
1646 | * However, this is not assumed. |
1647 | * -DWS |
1648 | */ |
1649 | |
1650 | #define HTOV(name,type) \ |
1651 | type \ |
1652 | name (n) \ |
1653 | register type n; \ |
1654 | { \ |
1655 | union { \ |
1656 | type value; \ |
1657 | char c[sizeof(type)]; \ |
1658 | } u; \ |
79072805 |
1659 | register I32 i; \ |
1660 | register I32 s; \ |
988174c1 |
1661 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ |
1662 | u.c[i] = (n >> s) & 0xFF; \ |
1663 | } \ |
1664 | return u.value; \ |
1665 | } |
1666 | |
1667 | #define VTOH(name,type) \ |
1668 | type \ |
1669 | name (n) \ |
1670 | register type n; \ |
1671 | { \ |
1672 | union { \ |
1673 | type value; \ |
1674 | char c[sizeof(type)]; \ |
1675 | } u; \ |
79072805 |
1676 | register I32 i; \ |
1677 | register I32 s; \ |
988174c1 |
1678 | u.value = n; \ |
1679 | n = 0; \ |
1680 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ |
1681 | n += (u.c[i] & 0xFF) << s; \ |
1682 | } \ |
1683 | return n; \ |
1684 | } |
1685 | |
1686 | #if defined(HAS_HTOVS) && !defined(htovs) |
1687 | HTOV(htovs,short) |
1688 | #endif |
1689 | #if defined(HAS_HTOVL) && !defined(htovl) |
1690 | HTOV(htovl,long) |
1691 | #endif |
1692 | #if defined(HAS_VTOHS) && !defined(vtohs) |
1693 | VTOH(vtohs,short) |
1694 | #endif |
1695 | #if defined(HAS_VTOHL) && !defined(vtohl) |
1696 | VTOH(vtohl,long) |
1697 | #endif |
a687059c |
1698 | |
5f05dabc |
1699 | /* VMS' my_popen() is in VMS.c, same with OS/2. */ |
1700 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) |
760ac839 |
1701 | PerlIO * |
8ac85365 |
1702 | my_popen(char *cmd, char *mode) |
a687059c |
1703 | { |
1704 | int p[2]; |
8ac85365 |
1705 | register I32 This, that; |
79072805 |
1706 | register I32 pid; |
1707 | SV *sv; |
1738f5c4 |
1708 | I32 doexec = strNE(cmd,"-"); |
a687059c |
1709 | |
ddcf38b7 |
1710 | #ifdef OS2 |
1711 | if (doexec) { |
1712 | return my_syspopen(cmd,mode); |
1713 | } |
1714 | #endif |
a687059c |
1715 | if (pipe(p) < 0) |
1716 | return Nullfp; |
8ac85365 |
1717 | This = (*mode == 'w'); |
1718 | that = !This; |
bbce6d69 |
1719 | if (doexec && tainting) { |
1720 | taint_env(); |
1721 | taint_proper("Insecure %s%s", "EXEC"); |
d48672a2 |
1722 | } |
a687059c |
1723 | while ((pid = (doexec?vfork():fork())) < 0) { |
1724 | if (errno != EAGAIN) { |
8ac85365 |
1725 | close(p[This]); |
a687059c |
1726 | if (!doexec) |
463ee0b2 |
1727 | croak("Can't fork"); |
a687059c |
1728 | return Nullfp; |
1729 | } |
1730 | sleep(5); |
1731 | } |
1732 | if (pid == 0) { |
79072805 |
1733 | GV* tmpgv; |
1734 | |
a687059c |
1735 | #define THIS that |
8ac85365 |
1736 | #define THAT This |
a687059c |
1737 | close(p[THAT]); |
1738 | if (p[THIS] != (*mode == 'r')) { |
1739 | dup2(p[THIS], *mode == 'r'); |
1740 | close(p[THIS]); |
1741 | } |
1742 | if (doexec) { |
a0d0e21e |
1743 | #if !defined(HAS_FCNTL) || !defined(F_SETFD) |
ae986130 |
1744 | int fd; |
1745 | |
1746 | #ifndef NOFILE |
1747 | #define NOFILE 20 |
1748 | #endif |
d48672a2 |
1749 | for (fd = maxsysfd + 1; fd < NOFILE; fd++) |
ae986130 |
1750 | close(fd); |
1751 | #endif |
a687059c |
1752 | do_exec(cmd); /* may or may not use the shell */ |
1753 | _exit(1); |
1754 | } |
de3bb511 |
1755 | /*SUPPRESS 560*/ |
85e6fe83 |
1756 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 |
1757 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
9f68db38 |
1758 | forkprocess = 0; |
463ee0b2 |
1759 | hv_clear(pidstatus); /* we have no children */ |
a687059c |
1760 | return Nullfp; |
1761 | #undef THIS |
1762 | #undef THAT |
1763 | } |
62b28dd9 |
1764 | do_execfree(); /* free any memory malloced by child on vfork */ |
a687059c |
1765 | close(p[that]); |
8ac85365 |
1766 | if (p[that] < p[This]) { |
1767 | dup2(p[This], p[that]); |
1768 | close(p[This]); |
1769 | p[This] = p[that]; |
62b28dd9 |
1770 | } |
8ac85365 |
1771 | sv = *av_fetch(fdpid,p[This],TRUE); |
a0d0e21e |
1772 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 |
1773 | SvIVX(sv) = pid; |
a687059c |
1774 | forkprocess = pid; |
8ac85365 |
1775 | return PerlIO_fdopen(p[This], mode); |
a687059c |
1776 | } |
7c0587c8 |
1777 | #else |
55497cff |
1778 | #if defined(atarist) || defined(DJGPP) |
7c0587c8 |
1779 | FILE *popen(); |
760ac839 |
1780 | PerlIO * |
79072805 |
1781 | my_popen(cmd,mode) |
7c0587c8 |
1782 | char *cmd; |
1783 | char *mode; |
1784 | { |
760ac839 |
1785 | /* Needs work for PerlIO ! */ |
55497cff |
1786 | /* used 0 for 2nd parameter to PerlIO-exportFILE; apparently not used */ |
1787 | return popen(PerlIO_exportFILE(cmd, 0), mode); |
7c0587c8 |
1788 | } |
1789 | #endif |
1790 | |
1791 | #endif /* !DOSISH */ |
a687059c |
1792 | |
748a9306 |
1793 | #ifdef DUMP_FDS |
79072805 |
1794 | dump_fds(s) |
ae986130 |
1795 | char *s; |
1796 | { |
1797 | int fd; |
1798 | struct stat tmpstatbuf; |
1799 | |
760ac839 |
1800 | PerlIO_printf(PerlIO_stderr(),"%s", s); |
ae986130 |
1801 | for (fd = 0; fd < 32; fd++) { |
a0d0e21e |
1802 | if (Fstat(fd,&tmpstatbuf) >= 0) |
760ac839 |
1803 | PerlIO_printf(PerlIO_stderr()," %d",fd); |
ae986130 |
1804 | } |
760ac839 |
1805 | PerlIO_printf(PerlIO_stderr(),"\n"); |
ae986130 |
1806 | } |
1807 | #endif |
1808 | |
fe14fcc3 |
1809 | #ifndef HAS_DUP2 |
fec02dd3 |
1810 | int |
a687059c |
1811 | dup2(oldfd,newfd) |
1812 | int oldfd; |
1813 | int newfd; |
1814 | { |
a0d0e21e |
1815 | #if defined(HAS_FCNTL) && defined(F_DUPFD) |
fec02dd3 |
1816 | if (oldfd == newfd) |
1817 | return oldfd; |
62b28dd9 |
1818 | close(newfd); |
fec02dd3 |
1819 | return fcntl(oldfd, F_DUPFD, newfd); |
62b28dd9 |
1820 | #else |
fc36a67e |
1821 | #define DUP2_MAX_FDS 256 |
1822 | int fdtmp[DUP2_MAX_FDS]; |
79072805 |
1823 | I32 fdx = 0; |
ae986130 |
1824 | int fd; |
1825 | |
fe14fcc3 |
1826 | if (oldfd == newfd) |
fec02dd3 |
1827 | return oldfd; |
a687059c |
1828 | close(newfd); |
fc36a67e |
1829 | /* good enough for low fd's... */ |
1830 | while ((fd = dup(oldfd)) != newfd && fd >= 0) { |
1831 | if (fdx >= DUP2_MAX_FDS) { |
1832 | close(fd); |
1833 | fd = -1; |
1834 | break; |
1835 | } |
ae986130 |
1836 | fdtmp[fdx++] = fd; |
fc36a67e |
1837 | } |
ae986130 |
1838 | while (fdx > 0) |
1839 | close(fdtmp[--fdx]); |
fec02dd3 |
1840 | return fd; |
62b28dd9 |
1841 | #endif |
a687059c |
1842 | } |
1843 | #endif |
1844 | |
ff68c719 |
1845 | |
1846 | #ifdef HAS_SIGACTION |
1847 | |
1848 | Sighandler_t |
8ac85365 |
1849 | rsignal(int signo, Sighandler_t handler) |
ff68c719 |
1850 | { |
1851 | struct sigaction act, oact; |
1852 | |
1853 | act.sa_handler = handler; |
1854 | sigemptyset(&act.sa_mask); |
1855 | act.sa_flags = 0; |
1856 | #ifdef SA_RESTART |
1857 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ |
1858 | #endif |
1859 | if (sigaction(signo, &act, &oact) == -1) |
36477c24 |
1860 | return SIG_ERR; |
ff68c719 |
1861 | else |
36477c24 |
1862 | return oact.sa_handler; |
ff68c719 |
1863 | } |
1864 | |
1865 | Sighandler_t |
8ac85365 |
1866 | rsignal_state(int signo) |
ff68c719 |
1867 | { |
1868 | struct sigaction oact; |
1869 | |
1870 | if (sigaction(signo, (struct sigaction *)NULL, &oact) == -1) |
1871 | return SIG_ERR; |
1872 | else |
1873 | return oact.sa_handler; |
1874 | } |
1875 | |
1876 | int |
8ac85365 |
1877 | rsignal_save(int signo, Sighandler_t handler, Sigsave_t *save) |
ff68c719 |
1878 | { |
1879 | struct sigaction act; |
1880 | |
1881 | act.sa_handler = handler; |
1882 | sigemptyset(&act.sa_mask); |
1883 | act.sa_flags = 0; |
1884 | #ifdef SA_RESTART |
1885 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ |
1886 | #endif |
1887 | return sigaction(signo, &act, save); |
1888 | } |
1889 | |
1890 | int |
8ac85365 |
1891 | rsignal_restore(int signo, Sigsave_t *save) |
ff68c719 |
1892 | { |
1893 | return sigaction(signo, save, (struct sigaction *)NULL); |
1894 | } |
1895 | |
1896 | #else /* !HAS_SIGACTION */ |
1897 | |
1898 | Sighandler_t |
1899 | rsignal(signo, handler) |
1900 | int signo; |
1901 | Sighandler_t handler; |
1902 | { |
1903 | return signal(signo, handler); |
1904 | } |
1905 | |
1906 | static int sig_trapped; |
1907 | |
1908 | static |
1909 | Signal_t |
1910 | sig_trap(signo) |
1911 | int signo; |
1912 | { |
1913 | sig_trapped++; |
1914 | } |
1915 | |
1916 | Sighandler_t |
1917 | rsignal_state(signo) |
1918 | int signo; |
1919 | { |
1920 | Sighandler_t oldsig; |
1921 | |
1922 | sig_trapped = 0; |
1923 | oldsig = signal(signo, sig_trap); |
1924 | signal(signo, oldsig); |
1925 | if (sig_trapped) |
1926 | kill(getpid(), signo); |
1927 | return oldsig; |
1928 | } |
1929 | |
1930 | int |
1931 | rsignal_save(signo, handler, save) |
1932 | int signo; |
1933 | Sighandler_t handler; |
1934 | Sigsave_t *save; |
1935 | { |
1936 | *save = signal(signo, handler); |
1937 | return (*save == SIG_ERR) ? -1 : 0; |
1938 | } |
1939 | |
1940 | int |
36477c24 |
1941 | rsignal_restore(signo, save) |
ff68c719 |
1942 | int signo; |
1943 | Sigsave_t *save; |
1944 | { |
1945 | return (signal(signo, *save) == SIG_ERR) ? -1 : 0; |
1946 | } |
1947 | |
1948 | #endif /* !HAS_SIGACTION */ |
1949 | |
5f05dabc |
1950 | /* VMS' my_pclose() is in VMS.c; same with OS/2 */ |
1951 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) |
79072805 |
1952 | I32 |
8ac85365 |
1953 | my_pclose(FILE *ptr) |
a687059c |
1954 | { |
ff68c719 |
1955 | Sigsave_t hstat, istat, qstat; |
a687059c |
1956 | int status; |
a0d0e21e |
1957 | SV **svp; |
20188a90 |
1958 | int pid; |
03136e13 |
1959 | bool close_failed; |
1960 | int saved_errno; |
1961 | #ifdef VMS |
1962 | int saved_vaxc_errno; |
1963 | #endif |
a687059c |
1964 | |
760ac839 |
1965 | svp = av_fetch(fdpid,PerlIO_fileno(ptr),TRUE); |
748a9306 |
1966 | pid = (int)SvIVX(*svp); |
a0d0e21e |
1967 | SvREFCNT_dec(*svp); |
1968 | *svp = &sv_undef; |
ddcf38b7 |
1969 | #ifdef OS2 |
1970 | if (pid == -1) { /* Opened by popen. */ |
1971 | return my_syspclose(ptr); |
1972 | } |
1973 | #endif |
03136e13 |
1974 | if ((close_failed = (PerlIO_close(ptr) == EOF))) { |
1975 | saved_errno = errno; |
1976 | #ifdef VMS |
1977 | saved_vaxc_errno = vaxc$errno; |
1978 | #endif |
1979 | } |
7c0587c8 |
1980 | #ifdef UTS |
1981 | if(kill(pid, 0) < 0) { return(pid); } /* HOM 12/23/91 */ |
1982 | #endif |
ff68c719 |
1983 | rsignal_save(SIGHUP, SIG_IGN, &hstat); |
1984 | rsignal_save(SIGINT, SIG_IGN, &istat); |
1985 | rsignal_save(SIGQUIT, SIG_IGN, &qstat); |
748a9306 |
1986 | do { |
1987 | pid = wait4pid(pid, &status, 0); |
1988 | } while (pid == -1 && errno == EINTR); |
ff68c719 |
1989 | rsignal_restore(SIGHUP, &hstat); |
1990 | rsignal_restore(SIGINT, &istat); |
1991 | rsignal_restore(SIGQUIT, &qstat); |
03136e13 |
1992 | if (close_failed) { |
1993 | SETERRNO(saved_errno, saved_vaxc_errno); |
1994 | return -1; |
1995 | } |
1996 | return(pid < 0 ? pid : status == 0 ? 0 : (errno = 0, status)); |
20188a90 |
1997 | } |
4633a7c4 |
1998 | #endif /* !DOSISH */ |
1999 | |
2000 | #if !defined(DOSISH) || defined(OS2) |
79072805 |
2001 | I32 |
8ac85365 |
2002 | wait4pid(int pid, int *statusp, int flags) |
20188a90 |
2003 | { |
79072805 |
2004 | SV *sv; |
2005 | SV** svp; |
fc36a67e |
2006 | char spid[TYPE_CHARS(int)]; |
20188a90 |
2007 | |
2008 | if (!pid) |
2009 | return -1; |
20188a90 |
2010 | if (pid > 0) { |
2011 | sprintf(spid, "%d", pid); |
79072805 |
2012 | svp = hv_fetch(pidstatus,spid,strlen(spid),FALSE); |
2013 | if (svp && *svp != &sv_undef) { |
463ee0b2 |
2014 | *statusp = SvIVX(*svp); |
748a9306 |
2015 | (void)hv_delete(pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 |
2016 | return pid; |
2017 | } |
2018 | } |
2019 | else { |
79072805 |
2020 | HE *entry; |
20188a90 |
2021 | |
79072805 |
2022 | hv_iterinit(pidstatus); |
2023 | if (entry = hv_iternext(pidstatus)) { |
a0d0e21e |
2024 | pid = atoi(hv_iterkey(entry,(I32*)statusp)); |
79072805 |
2025 | sv = hv_iterval(pidstatus,entry); |
463ee0b2 |
2026 | *statusp = SvIVX(sv); |
20188a90 |
2027 | sprintf(spid, "%d", pid); |
748a9306 |
2028 | (void)hv_delete(pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 |
2029 | return pid; |
2030 | } |
2031 | } |
79072805 |
2032 | #ifdef HAS_WAITPID |
367f3c24 |
2033 | # ifdef HAS_WAITPID_RUNTIME |
2034 | if (!HAS_WAITPID_RUNTIME) |
2035 | goto hard_way; |
2036 | # endif |
79072805 |
2037 | return waitpid(pid,statusp,flags); |
367f3c24 |
2038 | #endif |
2039 | #if !defined(HAS_WAITPID) && defined(HAS_WAIT4) |
a0d0e21e |
2040 | return wait4((pid==-1)?0:pid,statusp,flags,Null(struct rusage *)); |
367f3c24 |
2041 | #endif |
2042 | #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) |
2043 | hard_way: |
a0d0e21e |
2044 | { |
2045 | I32 result; |
2046 | if (flags) |
2047 | croak("Can't do waitpid with flags"); |
2048 | else { |
2049 | while ((result = wait(statusp)) != pid && pid > 0 && result >= 0) |
2050 | pidgone(result,*statusp); |
2051 | if (result < 0) |
2052 | *statusp = -1; |
2053 | } |
2054 | return result; |
a687059c |
2055 | } |
2056 | #endif |
a687059c |
2057 | } |
7c0587c8 |
2058 | #endif /* !DOSISH */ |
a687059c |
2059 | |
7c0587c8 |
2060 | void |
de3bb511 |
2061 | /*SUPPRESS 590*/ |
8ac85365 |
2062 | pidgone(int pid, int status) |
a687059c |
2063 | { |
79072805 |
2064 | register SV *sv; |
fc36a67e |
2065 | char spid[TYPE_CHARS(int)]; |
a687059c |
2066 | |
20188a90 |
2067 | sprintf(spid, "%d", pid); |
79072805 |
2068 | sv = *hv_fetch(pidstatus,spid,strlen(spid),TRUE); |
a0d0e21e |
2069 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 |
2070 | SvIVX(sv) = status; |
20188a90 |
2071 | return; |
a687059c |
2072 | } |
2073 | |
55497cff |
2074 | #if defined(atarist) || defined(OS2) || defined(DJGPP) |
7c0587c8 |
2075 | int pclose(); |
ddcf38b7 |
2076 | #ifdef HAS_FORK |
2077 | int /* Cannot prototype with I32 |
2078 | in os2ish.h. */ |
2079 | my_syspclose(ptr) |
2080 | #else |
79072805 |
2081 | I32 |
2082 | my_pclose(ptr) |
ddcf38b7 |
2083 | #endif |
760ac839 |
2084 | PerlIO *ptr; |
a687059c |
2085 | { |
760ac839 |
2086 | /* Needs work for PerlIO ! */ |
2087 | FILE *f = PerlIO_findFILE(ptr); |
2088 | I32 result = pclose(f); |
2089 | PerlIO_releaseFILE(ptr,f); |
2090 | return result; |
a687059c |
2091 | } |
7c0587c8 |
2092 | #endif |
9f68db38 |
2093 | |
2094 | void |
8ac85365 |
2095 | repeatcpy(register char *to, register char *from, I32 len, register I32 count) |
9f68db38 |
2096 | { |
79072805 |
2097 | register I32 todo; |
9f68db38 |
2098 | register char *frombase = from; |
2099 | |
2100 | if (len == 1) { |
2101 | todo = *from; |
2102 | while (count-- > 0) |
2103 | *to++ = todo; |
2104 | return; |
2105 | } |
2106 | while (count-- > 0) { |
2107 | for (todo = len; todo > 0; todo--) { |
2108 | *to++ = *from++; |
2109 | } |
2110 | from = frombase; |
2111 | } |
2112 | } |
0f85fab0 |
2113 | |
2114 | #ifndef CASTNEGFLOAT |
463ee0b2 |
2115 | U32 |
79072805 |
2116 | cast_ulong(f) |
0f85fab0 |
2117 | double f; |
2118 | { |
2119 | long along; |
2120 | |
27e2fb84 |
2121 | #if CASTFLAGS & 2 |
34de22dd |
2122 | # define BIGDOUBLE 2147483648.0 |
2123 | if (f >= BIGDOUBLE) |
2124 | return (unsigned long)(f-(long)(f/BIGDOUBLE)*BIGDOUBLE)|0x80000000; |
2125 | #endif |
0f85fab0 |
2126 | if (f >= 0.0) |
2127 | return (unsigned long)f; |
2128 | along = (long)f; |
2129 | return (unsigned long)along; |
2130 | } |
ed6116ce |
2131 | # undef BIGDOUBLE |
2132 | #endif |
2133 | |
2134 | #ifndef CASTI32 |
5d94fbed |
2135 | |
5d94fbed |
2136 | /* Unfortunately, on some systems the cast_uv() function doesn't |
2137 | work with the system-supplied definition of ULONG_MAX. The |
2138 | comparison (f >= ULONG_MAX) always comes out true. It must be a |
2139 | problem with the compiler constant folding. |
2140 | |
2141 | In any case, this workaround should be fine on any two's complement |
2142 | system. If it's not, supply a '-DMY_ULONG_MAX=whatever' in your |
2143 | ccflags. |
2144 | --Andy Dougherty <doughera@lafcol.lafayette.edu> |
2145 | */ |
1eb770ff |
2146 | |
2147 | /* Code modified to prefer proper named type ranges, I32, IV, or UV, instead |
2148 | of LONG_(MIN/MAX). |
2149 | -- Kenneth Albanowski <kjahds@kjahds.com> |
2150 | */ |
2151 | |
20cec16a |
2152 | #ifndef MY_UV_MAX |
2153 | # define MY_UV_MAX ((UV)IV_MAX * (UV)2 + (UV)1) |
5d94fbed |
2154 | #endif |
2155 | |
ed6116ce |
2156 | I32 |
2157 | cast_i32(f) |
2158 | double f; |
2159 | { |
20cec16a |
2160 | if (f >= I32_MAX) |
2161 | return (I32) I32_MAX; |
2162 | if (f <= I32_MIN) |
2163 | return (I32) I32_MIN; |
ed6116ce |
2164 | return (I32) f; |
2165 | } |
a0d0e21e |
2166 | |
2167 | IV |
2168 | cast_iv(f) |
2169 | double f; |
2170 | { |
20cec16a |
2171 | if (f >= IV_MAX) |
2172 | return (IV) IV_MAX; |
2173 | if (f <= IV_MIN) |
2174 | return (IV) IV_MIN; |
a0d0e21e |
2175 | return (IV) f; |
2176 | } |
5d94fbed |
2177 | |
2178 | UV |
2179 | cast_uv(f) |
2180 | double f; |
2181 | { |
20cec16a |
2182 | if (f >= MY_UV_MAX) |
2183 | return (UV) MY_UV_MAX; |
5d94fbed |
2184 | return (UV) f; |
2185 | } |
2186 | |
0f85fab0 |
2187 | #endif |
62b28dd9 |
2188 | |
fe14fcc3 |
2189 | #ifndef HAS_RENAME |
79072805 |
2190 | I32 |
62b28dd9 |
2191 | same_dirent(a,b) |
2192 | char *a; |
2193 | char *b; |
2194 | { |
93a17b20 |
2195 | char *fa = strrchr(a,'/'); |
2196 | char *fb = strrchr(b,'/'); |
62b28dd9 |
2197 | struct stat tmpstatbuf1; |
2198 | struct stat tmpstatbuf2; |
46fc3d4c |
2199 | SV *tmpsv = sv_newmortal(); |
62b28dd9 |
2200 | |
2201 | if (fa) |
2202 | fa++; |
2203 | else |
2204 | fa = a; |
2205 | if (fb) |
2206 | fb++; |
2207 | else |
2208 | fb = b; |
2209 | if (strNE(a,b)) |
2210 | return FALSE; |
2211 | if (fa == a) |
46fc3d4c |
2212 | sv_setpv(tmpsv, "."); |
62b28dd9 |
2213 | else |
46fc3d4c |
2214 | sv_setpvn(tmpsv, a, fa - a); |
2215 | if (Stat(SvPVX(tmpsv), &tmpstatbuf1) < 0) |
62b28dd9 |
2216 | return FALSE; |
2217 | if (fb == b) |
46fc3d4c |
2218 | sv_setpv(tmpsv, "."); |
62b28dd9 |
2219 | else |
46fc3d4c |
2220 | sv_setpvn(tmpsv, b, fb - b); |
2221 | if (Stat(SvPVX(tmpsv), &tmpstatbuf2) < 0) |
62b28dd9 |
2222 | return FALSE; |
2223 | return tmpstatbuf1.st_dev == tmpstatbuf2.st_dev && |
2224 | tmpstatbuf1.st_ino == tmpstatbuf2.st_ino; |
2225 | } |
fe14fcc3 |
2226 | #endif /* !HAS_RENAME */ |
2227 | |
55497cff |
2228 | UV |
8ac85365 |
2229 | scan_oct(char *start, I32 len, I32 *retlen) |
fe14fcc3 |
2230 | { |
2231 | register char *s = start; |
55497cff |
2232 | register UV retval = 0; |
2233 | bool overflowed = FALSE; |
fe14fcc3 |
2234 | |
748a9306 |
2235 | while (len && *s >= '0' && *s <= '7') { |
55497cff |
2236 | register UV n = retval << 3; |
2237 | if (!overflowed && (n >> 3) != retval) { |
2238 | warn("Integer overflow in octal number"); |
2239 | overflowed = TRUE; |
2240 | } |
2241 | retval = n | (*s++ - '0'); |
748a9306 |
2242 | len--; |
fe14fcc3 |
2243 | } |
748a9306 |
2244 | if (dowarn && len && (*s == '8' || *s == '9')) |
2245 | warn("Illegal octal digit ignored"); |
fe14fcc3 |
2246 | *retlen = s - start; |
2247 | return retval; |
2248 | } |
2249 | |
71be2cbc |
2250 | UV |
8ac85365 |
2251 | scan_hex(char *start, I32 len, I32 *retlen) |
fe14fcc3 |
2252 | { |
2253 | register char *s = start; |
55497cff |
2254 | register UV retval = 0; |
2255 | bool overflowed = FALSE; |
fe14fcc3 |
2256 | char *tmp; |
2257 | |
93a17b20 |
2258 | while (len-- && *s && (tmp = strchr(hexdigit, *s))) { |
55497cff |
2259 | register UV n = retval << 4; |
2260 | if (!overflowed && (n >> 4) != retval) { |
2261 | warn("Integer overflow in hex number"); |
2262 | overflowed = TRUE; |
2263 | } |
2264 | retval = n | (tmp - hexdigit) & 15; |
fe14fcc3 |
2265 | s++; |
2266 | } |
2267 | *retlen = s - start; |
2268 | return retval; |
2269 | } |
760ac839 |
2270 | |
11343788 |
2271 | #ifdef USE_THREADS |
12ca11f6 |
2272 | #ifdef FAKE_THREADS |
2273 | /* Very simplistic scheduler for now */ |
2274 | void |
2275 | schedule(void) |
2276 | { |
c7848ba1 |
2277 | thr = thr->i.next_run; |
12ca11f6 |
2278 | } |
2279 | |
2280 | void |
2281 | perl_cond_init(cp) |
2282 | perl_cond *cp; |
2283 | { |
2284 | *cp = 0; |
2285 | } |
2286 | |
2287 | void |
2288 | perl_cond_signal(cp) |
2289 | perl_cond *cp; |
2290 | { |
2291 | perl_thread t; |
2292 | perl_cond cond = *cp; |
2293 | |
2294 | if (!cond) |
2295 | return; |
2296 | t = cond->thread; |
2297 | /* Insert t in the runnable queue just ahead of us */ |
c7848ba1 |
2298 | t->i.next_run = thr->i.next_run; |
2299 | thr->i.next_run->i.prev_run = t; |
2300 | t->i.prev_run = thr; |
2301 | thr->i.next_run = t; |
2302 | thr->i.wait_queue = 0; |
12ca11f6 |
2303 | /* Remove from the wait queue */ |
2304 | *cp = cond->next; |
2305 | Safefree(cond); |
2306 | } |
2307 | |
2308 | void |
2309 | perl_cond_broadcast(cp) |
2310 | perl_cond *cp; |
2311 | { |
2312 | perl_thread t; |
2313 | perl_cond cond, cond_next; |
2314 | |
2315 | for (cond = *cp; cond; cond = cond_next) { |
2316 | t = cond->thread; |
2317 | /* Insert t in the runnable queue just ahead of us */ |
c7848ba1 |
2318 | t->i.next_run = thr->i.next_run; |
2319 | thr->i.next_run->i.prev_run = t; |
2320 | t->i.prev_run = thr; |
2321 | thr->i.next_run = t; |
2322 | thr->i.wait_queue = 0; |
12ca11f6 |
2323 | /* Remove from the wait queue */ |
2324 | cond_next = cond->next; |
2325 | Safefree(cond); |
2326 | } |
2327 | *cp = 0; |
2328 | } |
2329 | |
2330 | void |
2331 | perl_cond_wait(cp) |
2332 | perl_cond *cp; |
2333 | { |
2334 | perl_cond cond; |
2335 | |
c7848ba1 |
2336 | if (thr->i.next_run == thr) |
12ca11f6 |
2337 | croak("panic: perl_cond_wait called by last runnable thread"); |
2338 | |
0f15f207 |
2339 | New(666, cond, 1, struct perl_wait_queue); |
12ca11f6 |
2340 | cond->thread = thr; |
2341 | cond->next = *cp; |
2342 | *cp = cond; |
c7848ba1 |
2343 | thr->i.wait_queue = cond; |
12ca11f6 |
2344 | /* Remove ourselves from runnable queue */ |
c7848ba1 |
2345 | thr->i.next_run->i.prev_run = thr->i.prev_run; |
2346 | thr->i.prev_run->i.next_run = thr->i.next_run; |
12ca11f6 |
2347 | } |
2348 | #endif /* FAKE_THREADS */ |
2349 | |
11343788 |
2350 | #ifdef OLD_PTHREADS_API |
2351 | struct thread * |
2352 | getTHR _((void)) |
2353 | { |
2354 | pthread_addr_t t; |
2355 | |
2356 | if (pthread_getspecific(thr_key, &t)) |
2357 | croak("panic: pthread_getspecific"); |
2358 | return (struct thread *) t; |
2359 | } |
2360 | #endif /* OLD_PTHREADS_API */ |
f93b4edd |
2361 | |
2362 | MAGIC * |
8ac85365 |
2363 | condpair_magic(SV *sv) |
f93b4edd |
2364 | { |
2365 | MAGIC *mg; |
2366 | |
2367 | SvUPGRADE(sv, SVt_PVMG); |
2368 | mg = mg_find(sv, 'm'); |
2369 | if (!mg) { |
2370 | condpair_t *cp; |
2371 | |
2372 | New(53, cp, 1, condpair_t); |
2373 | MUTEX_INIT(&cp->mutex); |
2374 | COND_INIT(&cp->owner_cond); |
2375 | COND_INIT(&cp->cond); |
2376 | cp->owner = 0; |
2377 | MUTEX_LOCK(&sv_mutex); |
2378 | mg = mg_find(sv, 'm'); |
2379 | if (mg) { |
2380 | /* someone else beat us to initialising it */ |
2381 | MUTEX_UNLOCK(&sv_mutex); |
2382 | MUTEX_DESTROY(&cp->mutex); |
2383 | COND_DESTROY(&cp->owner_cond); |
2384 | COND_DESTROY(&cp->cond); |
2385 | Safefree(cp); |
2386 | } |
2387 | else { |
2388 | sv_magic(sv, Nullsv, 'm', 0, 0); |
2389 | mg = SvMAGIC(sv); |
2390 | mg->mg_ptr = (char *)cp; |
2391 | mg->mg_len = sizeof(cp); |
2392 | MUTEX_UNLOCK(&sv_mutex); |
bc1f4c86 |
2393 | DEBUG_L(WITH_THR(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
2394 | "%p: condpair_magic %p\n", thr, sv));) |
f93b4edd |
2395 | } |
2396 | } |
2397 | return mg; |
2398 | } |
11343788 |
2399 | #endif /* USE_THREADS */ |
760ac839 |
2400 | |
2401 | #ifdef HUGE_VAL |
2402 | /* |
2403 | * This hack is to force load of "huge" support from libm.a |
2404 | * So it is in perl for (say) POSIX to use. |
2405 | * Needed for SunOS with Sun's 'acc' for example. |
2406 | */ |
2407 | double |
8ac85365 |
2408 | Perl_huge(void) |
760ac839 |
2409 | { |
2410 | return HUGE_VAL; |
2411 | } |
2412 | #endif |