Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* util.c |
a687059c | 2 | * |
a0d0e21e | 3 | * Copyright (c) 1991-1994, Larry Wall |
a687059c | 4 | * |
d48672a2 LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
8d063cd8 | 7 | * |
8d063cd8 | 8 | */ |
a0d0e21e LW |
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 | |
bd4080b3 | 22 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
85e6fe83 | 23 | #ifdef I_UNISTD |
8990e307 LW |
24 | # include <unistd.h> |
25 | #endif | |
26 | ||
a687059c LW |
27 | #ifdef I_VFORK |
28 | # include <vfork.h> | |
29 | #endif | |
30 | ||
94b6baf5 AD |
31 | /* Put this after #includes because fork and vfork prototypes may |
32 | conflict. | |
33 | */ | |
34 | #ifndef HAS_VFORK | |
35 | # define vfork fork | |
36 | #endif | |
37 | ||
fe14fcc3 LW |
38 | #ifdef I_FCNTL |
39 | # include <fcntl.h> | |
40 | #endif | |
41 | #ifdef I_SYS_FILE | |
42 | # include <sys/file.h> | |
43 | #endif | |
44 | ||
ff68c719 | 45 | #ifdef I_SYS_WAIT |
46 | # include <sys/wait.h> | |
47 | #endif | |
48 | ||
8d063cd8 | 49 | #define FLUSH |
8d063cd8 | 50 | |
a0d0e21e LW |
51 | #ifdef LEAKTEST |
52 | static void xstat _((void)); | |
53 | #endif | |
54 | ||
55497cff | 55 | #ifndef MYMALLOC |
de3bb511 | 56 | |
8d063cd8 LW |
57 | /* paranoid version of malloc */ |
58 | ||
a687059c LW |
59 | /* NOTE: Do not call the next three routines directly. Use the macros |
60 | * in handy.h, so that we can easily redefine everything to do tracking of | |
61 | * allocated hunks back to the original New to track down any memory leaks. | |
20cec16a | 62 | * XXX This advice seems to be widely ignored :-( --AD August 1996. |
a687059c LW |
63 | */ |
64 | ||
bd4080b3 | 65 | Malloc_t |
8d063cd8 LW |
66 | safemalloc(size) |
67 | MEM_SIZE size; | |
68 | { | |
bd4080b3 | 69 | Malloc_t ptr; |
55497cff | 70 | #ifdef HAS_64K_LIMIT |
62b28dd9 | 71 | if (size > 0xffff) { |
760ac839 | 72 | PerlIO_printf(PerlIO_stderr(), "Allocation too large: %lx\n", size) FLUSH; |
79072805 | 73 | my_exit(1); |
62b28dd9 | 74 | } |
55497cff | 75 | #endif /* HAS_64K_LIMIT */ |
34de22dd LW |
76 | #ifdef DEBUGGING |
77 | if ((long)size < 0) | |
463ee0b2 | 78 | croak("panic: malloc"); |
34de22dd | 79 | #endif |
8d063cd8 | 80 | ptr = malloc(size?size:1); /* malloc(0) is NASTY on our system */ |
79072805 | 81 | #if !(defined(I286) || defined(atarist)) |
760ac839 | 82 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%x: (%05d) malloc %ld bytes\n",ptr,an++,(long)size)); |
79072805 | 83 | #else |
760ac839 | 84 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) malloc %ld bytes\n",ptr,an++,(long)size)); |
8d063cd8 LW |
85 | #endif |
86 | if (ptr != Nullch) | |
87 | return ptr; | |
7c0587c8 LW |
88 | else if (nomemok) |
89 | return Nullch; | |
8d063cd8 | 90 | else { |
760ac839 | 91 | PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH; |
79072805 | 92 | my_exit(1); |
8d063cd8 LW |
93 | } |
94 | /*NOTREACHED*/ | |
95 | } | |
96 | ||
97 | /* paranoid version of realloc */ | |
98 | ||
bd4080b3 | 99 | Malloc_t |
8d063cd8 | 100 | saferealloc(where,size) |
bd4080b3 | 101 | Malloc_t where; |
8d063cd8 LW |
102 | MEM_SIZE size; |
103 | { | |
bd4080b3 | 104 | Malloc_t ptr; |
ecfc5424 | 105 | #if !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) |
bd4080b3 | 106 | Malloc_t realloc(); |
ecfc5424 | 107 | #endif /* !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) */ |
8d063cd8 | 108 | |
55497cff | 109 | #ifdef HAS_64K_LIMIT |
62b28dd9 | 110 | if (size > 0xffff) { |
760ac839 | 111 | PerlIO_printf(PerlIO_stderr(), "Reallocation too large: %lx\n", size) FLUSH; |
79072805 | 112 | my_exit(1); |
62b28dd9 | 113 | } |
55497cff | 114 | #endif /* HAS_64K_LIMIT */ |
378cc40b | 115 | if (!where) |
463ee0b2 | 116 | croak("Null realloc"); |
34de22dd LW |
117 | #ifdef DEBUGGING |
118 | if ((long)size < 0) | |
463ee0b2 | 119 | croak("panic: realloc"); |
34de22dd | 120 | #endif |
8d063cd8 | 121 | ptr = realloc(where,size?size:1); /* realloc(0) is NASTY on our system */ |
79072805 LW |
122 | |
123 | #if !(defined(I286) || defined(atarist)) | |
124 | DEBUG_m( { | |
760ac839 LW |
125 | PerlIO_printf(Perl_debug_log, "0x%x: (%05d) rfree\n",where,an++); |
126 | PerlIO_printf(Perl_debug_log, "0x%x: (%05d) realloc %ld bytes\n",ptr,an++,(long)size); | |
79072805 LW |
127 | } ) |
128 | #else | |
129 | DEBUG_m( { | |
760ac839 LW |
130 | PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) rfree\n",where,an++); |
131 | PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) realloc %ld bytes\n",ptr,an++,(long)size); | |
79072805 | 132 | } ) |
8d063cd8 | 133 | #endif |
79072805 | 134 | |
8d063cd8 LW |
135 | if (ptr != Nullch) |
136 | return ptr; | |
7c0587c8 LW |
137 | else if (nomemok) |
138 | return Nullch; | |
8d063cd8 | 139 | else { |
760ac839 | 140 | PerlIO_puts(PerlIO_stderr(),no_mem) FLUSH; |
79072805 | 141 | my_exit(1); |
8d063cd8 LW |
142 | } |
143 | /*NOTREACHED*/ | |
144 | } | |
145 | ||
146 | /* safe version of free */ | |
147 | ||
a687059c | 148 | void |
8d063cd8 | 149 | safefree(where) |
bd4080b3 | 150 | Malloc_t where; |
8d063cd8 | 151 | { |
79072805 | 152 | #if !(defined(I286) || defined(atarist)) |
760ac839 | 153 | DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%x: (%05d) free\n",where,an++)); |
79072805 | 154 | #else |
760ac839 | 155 | DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) free\n",where,an++)); |
8d063cd8 | 156 | #endif |
378cc40b | 157 | if (where) { |
de3bb511 | 158 | /*SUPPRESS 701*/ |
378cc40b LW |
159 | free(where); |
160 | } | |
8d063cd8 LW |
161 | } |
162 | ||
1050c9ca | 163 | /* safe version of calloc */ |
164 | ||
bd4080b3 | 165 | Malloc_t |
1050c9ca | 166 | safecalloc(count, size) |
167 | MEM_SIZE count; | |
168 | MEM_SIZE size; | |
169 | { | |
bd4080b3 | 170 | Malloc_t ptr; |
1050c9ca | 171 | |
55497cff | 172 | #ifdef HAS_64K_LIMIT |
1050c9ca | 173 | if (size * count > 0xffff) { |
760ac839 | 174 | PerlIO_printf(PerlIO_stderr(), "Allocation too large: %lx\n", size * count) FLUSH; |
1050c9ca | 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 | |
182 | #if !(defined(I286) || defined(atarist)) | |
760ac839 | 183 | DEBUG_m(PerlIO_printf(PerlIO_stderr(), "0x%x: (%05d) calloc %ld x %ld bytes\n",ptr,an++,(long)count,(long)size)); |
1050c9ca | 184 | #else |
760ac839 | 185 | DEBUG_m(PerlIO_printf(PerlIO_stderr(), "0x%lx: (%05d) calloc %ld x %ld bytes\n",ptr,an++,(long)count,(long)size)); |
1050c9ca | 186 | #endif |
187 | size *= count; | |
188 | ptr = malloc(size?size:1); /* malloc(0) is NASTY on our system */ | |
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 LW |
204 | #ifdef LEAKTEST |
205 | ||
206 | #define ALIGN sizeof(long) | |
8d063cd8 | 207 | |
bd4080b3 | 208 | Malloc_t |
a687059c | 209 | safexmalloc(x,size) |
79072805 | 210 | I32 x; |
a687059c | 211 | MEM_SIZE size; |
8d063cd8 | 212 | { |
bd4080b3 | 213 | register Malloc_t where; |
8d063cd8 | 214 | |
a687059c LW |
215 | where = safemalloc(size + ALIGN); |
216 | xcount[x]++; | |
217 | where[0] = x % 100; | |
218 | where[1] = x / 100; | |
219 | return where + ALIGN; | |
8d063cd8 | 220 | } |
8d063cd8 | 221 | |
bd4080b3 | 222 | Malloc_t |
a687059c | 223 | safexrealloc(where,size) |
bd4080b3 | 224 | Malloc_t where; |
a687059c LW |
225 | MEM_SIZE size; |
226 | { | |
bd4080b3 | 227 | register Malloc_t new = saferealloc(where - ALIGN, size + ALIGN); |
a0d0e21e | 228 | return new + ALIGN; |
a687059c LW |
229 | } |
230 | ||
231 | void | |
232 | safexfree(where) | |
bd4080b3 | 233 | Malloc_t where; |
a687059c | 234 | { |
79072805 | 235 | I32 x; |
a687059c LW |
236 | |
237 | if (!where) | |
238 | return; | |
239 | where -= ALIGN; | |
240 | x = where[0] + 100 * where[1]; | |
241 | xcount[x]--; | |
242 | safefree(where); | |
243 | } | |
244 | ||
bd4080b3 | 245 | Malloc_t |
1050c9ca | 246 | safexcalloc(x,count,size) |
247 | I32 x; | |
248 | MEM_SIZE count; | |
249 | MEM_SIZE size; | |
250 | { | |
bd4080b3 | 251 | register Malloc_t where; |
1050c9ca | 252 | |
253 | where = safexmalloc(x, size * count + ALIGN); | |
254 | xcount[x]++; | |
255 | memset((void*)where + ALIGN, 0, size * count); | |
256 | where[0] = x % 100; | |
257 | where[1] = x / 100; | |
258 | return where + ALIGN; | |
259 | } | |
260 | ||
7c0587c8 | 261 | static void |
a687059c | 262 | xstat() |
8d063cd8 | 263 | { |
79072805 | 264 | register I32 i; |
8d063cd8 | 265 | |
a687059c | 266 | for (i = 0; i < MAXXCOUNT; i++) { |
de3bb511 | 267 | if (xcount[i] > lastxcount[i]) { |
760ac839 | 268 | PerlIO_printf(PerlIO_stderr(),"%2d %2d\t%ld\n", i / 100, i % 100, xcount[i]); |
a687059c | 269 | lastxcount[i] = xcount[i]; |
8d063cd8 LW |
270 | } |
271 | } | |
8d063cd8 | 272 | } |
a687059c LW |
273 | |
274 | #endif /* LEAKTEST */ | |
8d063cd8 LW |
275 | |
276 | /* copy a string up to some (non-backslashed) delimiter, if any */ | |
277 | ||
278 | char * | |
a687059c | 279 | cpytill(to,from,fromend,delim,retlen) |
62b28dd9 LW |
280 | register char *to; |
281 | register char *from; | |
a687059c | 282 | register char *fromend; |
a0d0e21e | 283 | register int delim; |
79072805 | 284 | I32 *retlen; |
8d063cd8 | 285 | { |
a687059c LW |
286 | char *origto = to; |
287 | ||
288 | for (; from < fromend; from++,to++) { | |
378cc40b LW |
289 | if (*from == '\\') { |
290 | if (from[1] == delim) | |
291 | from++; | |
292 | else if (from[1] == '\\') | |
293 | *to++ = *from++; | |
294 | } | |
8d063cd8 LW |
295 | else if (*from == delim) |
296 | break; | |
297 | *to = *from; | |
298 | } | |
299 | *to = '\0'; | |
a687059c | 300 | *retlen = to - origto; |
8d063cd8 LW |
301 | return from; |
302 | } | |
303 | ||
304 | /* return ptr to little string in big string, NULL if not found */ | |
378cc40b | 305 | /* This routine was donated by Corey Satten. */ |
8d063cd8 LW |
306 | |
307 | char * | |
308 | instr(big, little) | |
378cc40b LW |
309 | register char *big; |
310 | register char *little; | |
311 | { | |
312 | register char *s, *x; | |
79072805 | 313 | register I32 first; |
378cc40b | 314 | |
a687059c LW |
315 | if (!little) |
316 | return big; | |
317 | first = *little++; | |
378cc40b LW |
318 | if (!first) |
319 | return big; | |
320 | while (*big) { | |
321 | if (*big++ != first) | |
322 | continue; | |
323 | for (x=big,s=little; *s; /**/ ) { | |
324 | if (!*x) | |
325 | return Nullch; | |
326 | if (*s++ != *x++) { | |
327 | s--; | |
328 | break; | |
329 | } | |
330 | } | |
331 | if (!*s) | |
332 | return big-1; | |
333 | } | |
334 | return Nullch; | |
335 | } | |
8d063cd8 | 336 | |
a687059c LW |
337 | /* same as instr but allow embedded nulls */ |
338 | ||
339 | char * | |
340 | ninstr(big, bigend, little, lend) | |
341 | register char *big; | |
342 | register char *bigend; | |
343 | char *little; | |
344 | char *lend; | |
8d063cd8 | 345 | { |
a687059c | 346 | register char *s, *x; |
79072805 | 347 | register I32 first = *little; |
a687059c | 348 | register char *littleend = lend; |
378cc40b | 349 | |
a0d0e21e | 350 | if (!first && little >= littleend) |
a687059c | 351 | return big; |
de3bb511 LW |
352 | if (bigend - big < littleend - little) |
353 | return Nullch; | |
a687059c LW |
354 | bigend -= littleend - little++; |
355 | while (big <= bigend) { | |
356 | if (*big++ != first) | |
357 | continue; | |
358 | for (x=big,s=little; s < littleend; /**/ ) { | |
359 | if (*s++ != *x++) { | |
360 | s--; | |
361 | break; | |
362 | } | |
363 | } | |
364 | if (s >= littleend) | |
365 | return big-1; | |
378cc40b | 366 | } |
a687059c LW |
367 | return Nullch; |
368 | } | |
369 | ||
370 | /* reverse of the above--find last substring */ | |
371 | ||
372 | char * | |
373 | rninstr(big, bigend, little, lend) | |
374 | register char *big; | |
375 | char *bigend; | |
376 | char *little; | |
377 | char *lend; | |
378 | { | |
379 | register char *bigbeg; | |
380 | register char *s, *x; | |
79072805 | 381 | register I32 first = *little; |
a687059c LW |
382 | register char *littleend = lend; |
383 | ||
a0d0e21e | 384 | if (!first && little >= littleend) |
a687059c LW |
385 | return bigend; |
386 | bigbeg = big; | |
387 | big = bigend - (littleend - little++); | |
388 | while (big >= bigbeg) { | |
389 | if (*big-- != first) | |
390 | continue; | |
391 | for (x=big+2,s=little; s < littleend; /**/ ) { | |
392 | if (*s++ != *x++) { | |
393 | s--; | |
394 | break; | |
395 | } | |
396 | } | |
397 | if (s >= littleend) | |
398 | return big+1; | |
378cc40b | 399 | } |
a687059c | 400 | return Nullch; |
378cc40b | 401 | } |
a687059c | 402 | |
bbce6d69 | 403 | #ifdef LC_CTYPE |
404 | ||
405 | /* | |
406 | * Set up for a new ctype locale. | |
407 | */ | |
55497cff | 408 | void |
bbce6d69 | 409 | perl_new_ctype(newctype) |
410 | char *newctype; | |
ef7eada9 | 411 | { |
bbce6d69 | 412 | int i; |
ef7eada9 | 413 | |
bbce6d69 | 414 | for (i = 0; i < 256; i++) { |
415 | if (isUPPER_LC(i)) | |
416 | fold_locale[i] = toLOWER_LC(i); | |
417 | else if (isLOWER_LC(i)) | |
418 | fold_locale[i] = toUPPER_LC(i); | |
419 | else | |
420 | fold_locale[i] = i; | |
421 | } | |
ef7eada9 JH |
422 | } |
423 | ||
bbce6d69 | 424 | #endif /* LC_CTYPE */ |
425 | ||
426 | #ifdef LC_COLLATE | |
427 | ||
428 | /* | |
429 | * Set up for a new collation locale. | |
430 | */ | |
431 | void | |
432 | perl_new_collate(newcoll) | |
433 | char *newcoll; | |
434 | { | |
435 | if (! newcoll) { | |
436 | if (collation_name) { | |
437 | ++collation_ix; | |
438 | Safefree(collation_name); | |
439 | collation_name = NULL; | |
440 | collation_standard = TRUE; | |
441 | #ifdef HAS_STRXFRM | |
442 | collxfrm_base = 0; | |
443 | collxfrm_mult = 2; | |
444 | #endif /* HAS_STRXFRM */ | |
445 | } | |
446 | return; | |
447 | } | |
448 | ||
449 | if (! collation_name || strNE(collation_name, newcoll)) { | |
450 | ++collation_ix; | |
451 | Safefree(collation_name); | |
452 | collation_name = savepv(newcoll); | |
ff68c719 | 453 | collation_standard = (strEQ(newcoll, "C") || strEQ(newcoll, "POSIX")); |
bbce6d69 | 454 | |
455 | #ifdef HAS_STRXFRM | |
456 | { | |
457 | /* 2: at most so many chars ('a', 'b'). */ | |
458 | /* 50: surely no system expands a char more. */ | |
459 | #define XFRMBUFSIZE (2 * 50) | |
460 | char xbuf[XFRMBUFSIZE]; | |
461 | Size_t fa = strxfrm(xbuf, "a", XFRMBUFSIZE); | |
462 | Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE); | |
463 | SSize_t mult = fb - fa; | |
464 | if (mult < 1) | |
465 | croak("strxfrm() gets absurd"); | |
466 | collxfrm_base = (fa > mult) ? (fa - mult) : 0; | |
467 | collxfrm_mult = mult; | |
468 | } | |
469 | #endif /* HAS_STRXFRM */ | |
470 | } | |
471 | } | |
472 | ||
473 | #endif /* LC_COLLATE */ | |
474 | ||
475 | #ifdef LC_NUMERIC | |
476 | ||
477 | /* | |
478 | * Set up for a new numeric locale. | |
479 | */ | |
480 | void | |
481 | perl_new_numeric(newnum) | |
482 | char *newnum; | |
483 | { | |
484 | if (! newnum) { | |
485 | if (numeric_name) { | |
486 | Safefree(numeric_name); | |
487 | numeric_name = NULL; | |
488 | numeric_standard = TRUE; | |
489 | numeric_local = TRUE; | |
490 | } | |
491 | return; | |
492 | } | |
493 | ||
494 | if (! numeric_name || strNE(numeric_name, newnum)) { | |
495 | Safefree(numeric_name); | |
496 | numeric_name = savepv(newnum); | |
ff68c719 | 497 | numeric_standard = (strEQ(newnum, "C") || strEQ(newnum, "POSIX")); |
bbce6d69 | 498 | numeric_local = TRUE; |
499 | } | |
500 | } | |
501 | ||
502 | void | |
503 | perl_numeric_standard() | |
504 | { | |
505 | if (! numeric_standard) { | |
506 | setlocale(LC_NUMERIC, "C"); | |
507 | numeric_standard = TRUE; | |
508 | numeric_local = FALSE; | |
509 | } | |
510 | } | |
511 | ||
512 | void | |
513 | perl_numeric_local() | |
514 | { | |
515 | if (! numeric_local) { | |
516 | setlocale(LC_NUMERIC, numeric_name); | |
517 | numeric_standard = FALSE; | |
518 | numeric_local = TRUE; | |
519 | } | |
520 | } | |
521 | ||
522 | #endif /* LC_NUMERIC */ | |
523 | ||
524 | /* Initialize locale awareness */ | |
f0c5b223 | 525 | int |
1050c9ca | 526 | perl_init_i18nl10n(printwarn) |
f0c5b223 TB |
527 | int printwarn; |
528 | { | |
529 | int ok = 1; | |
530 | /* returns | |
531 | * 1 = set ok or not applicable, | |
532 | * 0 = fallback to C locale, | |
533 | * -1 = fallback to C locale failed | |
534 | */ | |
bbce6d69 | 535 | |
536 | #ifdef HAS_SETLOCALE | |
537 | ||
538 | char *lc_all = getenv("LC_ALL"); | |
539 | char *lang = getenv("LANG"); | |
ef7eada9 | 540 | #ifdef LC_CTYPE |
bbce6d69 | 541 | char *lc_ctype = getenv("LC_CTYPE"); |
542 | char *curctype = NULL; | |
543 | #endif /* LC_CTYPE */ | |
544 | #ifdef LC_COLLATE | |
545 | char *lc_collate = getenv("LC_COLLATE"); | |
546 | char *curcoll = NULL; | |
547 | #endif /* LC_COLLATE */ | |
548 | #ifdef LC_NUMERIC | |
549 | char *lc_numeric = getenv("LC_NUMERIC"); | |
550 | char *curnum = NULL; | |
551 | #endif /* LC_NUMERIC */ | |
552 | bool setlocale_failure = FALSE; | |
553 | char *subloc; | |
f0c5b223 | 554 | |
bbce6d69 | 555 | #ifdef LC_ALL |
556 | subloc = NULL; | |
557 | if (! setlocale(LC_ALL, "")) | |
558 | setlocale_failure = TRUE; | |
559 | #else | |
560 | subloc = ""; | |
561 | #endif /* LC_ALL */ | |
562 | ||
563 | #ifdef LC_CTYPE | |
564 | if (! (curctype = setlocale(LC_CTYPE, subloc))) | |
565 | setlocale_failure = TRUE; | |
566 | #endif /* LC_CTYPE */ | |
ef7eada9 | 567 | #ifdef LC_COLLATE |
bbce6d69 | 568 | if (! (curcoll = setlocale(LC_COLLATE, subloc))) |
569 | setlocale_failure = TRUE; | |
570 | #endif /* LC_COLLATE */ | |
571 | #ifdef LC_NUMERIC | |
572 | if (! (curnum = setlocale(LC_NUMERIC, subloc))) | |
573 | setlocale_failure = TRUE; | |
574 | #endif /* LC_NUMERIC */ | |
575 | ||
ef7eada9 JH |
576 | if (setlocale_failure && (lc_all || lang)) { |
577 | char *perl_badlang; | |
20cec16a | 578 | |
579 | if (printwarn > 1 || | |
ef7eada9 JH |
580 | printwarn && |
581 | (!(perl_badlang = getenv("PERL_BADLANG")) || atoi(perl_badlang))) { | |
582 | ||
ef7eada9 | 583 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 584 | "perl: warning: Setting locale failed for the categories:\n\t"); |
585 | #ifdef LC_CTYPE | |
586 | if (! curctype) | |
587 | PerlIO_printf(PerlIO_stderr(), "LC_CTYPE "); | |
588 | #endif /* LC_CTYPE */ | |
ef7eada9 | 589 | #ifdef LC_COLLATE |
bbce6d69 | 590 | if (! curcoll) |
591 | PerlIO_printf(PerlIO_stderr(), "LC_COLLATE "); | |
592 | #endif /* LC_COLLATE */ | |
593 | #ifdef LC_NUMERIC | |
594 | if (! curnum) | |
595 | PerlIO_printf(PerlIO_stderr(), "LC_NUMERIC "); | |
596 | #endif /* LC_NUMERIC */ | |
597 | PerlIO_printf(PerlIO_stderr(), "\n"); | |
598 | ||
760ac839 | 599 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 600 | "perl: warning: Please check that your locale settings:\n"); |
ef7eada9 JH |
601 | |
602 | PerlIO_printf(PerlIO_stderr(), | |
bbce6d69 | 603 | "\tLC_ALL = %c%s%c,\n", |
604 | lc_all ? '"' : '(', | |
605 | lc_all ? lc_all : "unset", | |
606 | lc_all ? '"' : ')'); | |
ef7eada9 | 607 | #ifdef LC_CTYPE |
bbce6d69 | 608 | if (! curctype) |
609 | PerlIO_printf(PerlIO_stderr(), | |
610 | "\tLC_CTYPE = %c%s%c,\n", | |
611 | lc_ctype ? '"' : '(', | |
612 | lc_ctype ? lc_ctype : "unset", | |
613 | lc_ctype ? '"' : ')'); | |
614 | #endif /* LC_CTYPE */ | |
ef7eada9 | 615 | #ifdef LC_COLLATE |
bbce6d69 | 616 | if (! curcoll) |
617 | PerlIO_printf(PerlIO_stderr(), | |
618 | "\tLC_COLLATE = %c%s%c,\n", | |
619 | lc_collate ? '"' : '(', | |
620 | lc_collate ? lc_collate : "unset", | |
621 | lc_collate ? '"' : ')'); | |
622 | #endif /* LC_COLLATE */ | |
623 | #ifdef LC_NUMERIC | |
624 | if (! curcoll) | |
625 | PerlIO_printf(PerlIO_stderr(), | |
626 | "\tLC_NUMERIC = %c%s%c,\n", | |
627 | lc_numeric ? '"' : '(', | |
628 | lc_numeric ? lc_numeric : "unset", | |
629 | lc_numeric ? '"' : ')'); | |
630 | #endif /* LC_NUMERIC */ | |
ef7eada9 | 631 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 632 | "\tLANG = %c%s%c\n", |
633 | lang ? '"' : ')', | |
634 | lang ? lang : "unset", | |
635 | lang ? '"' : ')'); | |
ef7eada9 | 636 | |
bbce6d69 | 637 | PerlIO_printf(PerlIO_stderr(), |
638 | " are supported and installed on your system.\n"); | |
ef7eada9 | 639 | |
bbce6d69 | 640 | ok = 0; |
ef7eada9 | 641 | } |
bbce6d69 | 642 | |
ef7eada9 JH |
643 | #ifdef LC_ALL |
644 | if (setlocale_failure) { | |
ef7eada9 | 645 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 646 | "perl: warning: Falling back to the \"C\" locale.\n"); |
647 | if (setlocale(LC_ALL, "C")) { | |
648 | #ifdef LC_CTYPE | |
649 | curctype = "C"; | |
650 | #endif /* LC_CTYPE */ | |
651 | #ifdef LC_COLLATE | |
652 | curcoll = "C"; | |
653 | #endif /* LC_COLLATE */ | |
654 | #ifdef LC_NUMERIC | |
655 | curnum = "C"; | |
656 | #endif /* LC_NUMERIC */ | |
657 | } | |
658 | else { | |
659 | PerlIO_printf(PerlIO_stderr(), | |
660 | "perl: warning: Failed to fall back to the \"C\" locale.\n"); | |
661 | ok = -1; | |
662 | } | |
663 | } | |
664 | #else /* ! LC_ALL */ | |
ef7eada9 | 665 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 666 | "perl: warning: Cannot fall back to the \"C\" locale.\n"); |
667 | #endif /* ! LC_ALL */ | |
ef7eada9 JH |
668 | } |
669 | ||
bbce6d69 | 670 | #ifdef LC_CTYPE |
671 | perl_new_ctype(curctype); | |
672 | #endif /* LC_NUMERIC */ | |
673 | ||
674 | #ifdef LC_COLLATE | |
675 | perl_new_collate(curcoll); | |
676 | #endif /* LC_NUMERIC */ | |
677 | ||
678 | #ifdef LC_NUMERIC | |
679 | perl_new_numeric(curnum); | |
680 | #endif /* LC_NUMERIC */ | |
ef7eada9 JH |
681 | |
682 | #endif /* #if defined(HAS_SETLOCALE) */ | |
683 | ||
f0c5b223 TB |
684 | return ok; |
685 | } | |
686 | ||
bbce6d69 | 687 | /* Backwards compatibility. */ |
688 | int | |
689 | perl_init_i18nl14n(printwarn) | |
690 | int printwarn; | |
691 | { | |
692 | perl_init_i18nl10n(printwarn); | |
693 | } | |
ef7eada9 JH |
694 | |
695 | #ifdef HAS_STRXFRM | |
ef7eada9 | 696 | |
bbce6d69 | 697 | /* |
698 | * mem_collxfrm() is a bit like strxfrm() but with two important | |
699 | * differences. First, it handles embedded NULs. Second, it allocates | |
700 | * a bit more memory than needed for the transformed data itself. | |
701 | * The real transformed data begins at offset sizeof(collationix). | |
702 | * Please see sv_collxfrm() to see how this is used. | |
703 | */ | |
704 | char * | |
705 | mem_collxfrm(s, len, xlen) | |
706 | const char *s; | |
707 | STRLEN len; | |
708 | STRLEN *xlen; | |
709 | { | |
710 | char *xbuf; | |
711 | STRLEN xalloc, xin, xout; | |
712 | ||
713 | /* the first sizeof(collationix) bytes are used by sv_collxfrm(). */ | |
714 | /* the +1 is for the terminating NUL. */ | |
715 | ||
716 | xalloc = sizeof(collation_ix) + collxfrm_base + (collxfrm_mult * len) + 1; | |
717 | New(171, xbuf, xalloc, char); | |
718 | if (! xbuf) | |
719 | goto bad; | |
720 | ||
721 | *(U32*)xbuf = collation_ix; | |
722 | xout = sizeof(collation_ix); | |
723 | for (xin = 0; xin < len; ) { | |
724 | SSize_t xused; | |
725 | ||
726 | for (;;) { | |
727 | xused = strxfrm(xbuf + xout, s + xin, xalloc - xout); | |
728 | if (xused == -1) | |
729 | goto bad; | |
730 | if (xused < xalloc - xout) | |
731 | break; | |
732 | xalloc = (2 * xalloc) + 1; | |
733 | Renew(xbuf, xalloc, char); | |
734 | if (! xbuf) | |
735 | goto bad; | |
736 | } | |
ef7eada9 | 737 | |
bbce6d69 | 738 | xin += strlen(s + xin) + 1; |
739 | xout += xused; | |
740 | ||
741 | /* Embedded NULs are understood but silently skipped | |
742 | * because they make no sense in locale collation. */ | |
743 | } | |
ef7eada9 | 744 | |
bbce6d69 | 745 | xbuf[xout] = '\0'; |
746 | *xlen = xout - sizeof(collation_ix); | |
747 | return xbuf; | |
748 | ||
749 | bad: | |
750 | Safefree(xbuf); | |
751 | *xlen = 0; | |
752 | return NULL; | |
ef7eada9 JH |
753 | } |
754 | ||
bbce6d69 | 755 | #endif /* HAS_STRXFRM */ |
756 | ||
378cc40b | 757 | void |
bbce6d69 | 758 | fbm_compile(sv) |
79072805 | 759 | SV *sv; |
378cc40b | 760 | { |
a687059c LW |
761 | register unsigned char *s; |
762 | register unsigned char *table; | |
79072805 LW |
763 | register U32 i; |
764 | register U32 len = SvCUR(sv); | |
765 | I32 rarest = 0; | |
766 | U32 frequency = 256; | |
767 | ||
748a9306 LW |
768 | if (len > 255) |
769 | return; /* can't have offsets that big */ | |
79072805 | 770 | Sv_Grow(sv,len+258); |
463ee0b2 | 771 | table = (unsigned char*)(SvPVX(sv) + len + 1); |
a687059c LW |
772 | s = table - 2; |
773 | for (i = 0; i < 256; i++) { | |
378cc40b LW |
774 | table[i] = len; |
775 | } | |
776 | i = 0; | |
463ee0b2 | 777 | while (s >= (unsigned char*)(SvPVX(sv))) |
a687059c | 778 | { |
bbce6d69 | 779 | if (table[*s] == len) |
780 | table[*s] = i; | |
378cc40b LW |
781 | s--,i++; |
782 | } | |
79072805 | 783 | sv_upgrade(sv, SVt_PVBM); |
bbce6d69 | 784 | sv_magic(sv, Nullsv, 'B', Nullch, 0); /* deep magic */ |
79072805 | 785 | SvVALID_on(sv); |
378cc40b | 786 | |
463ee0b2 | 787 | s = (unsigned char*)(SvPVX(sv)); /* deeper magic */ |
bbce6d69 | 788 | for (i = 0; i < len; i++) { |
789 | if (freq[s[i]] < frequency) { | |
790 | rarest = i; | |
791 | frequency = freq[s[i]]; | |
378cc40b LW |
792 | } |
793 | } | |
79072805 LW |
794 | BmRARE(sv) = s[rarest]; |
795 | BmPREVIOUS(sv) = rarest; | |
760ac839 | 796 | DEBUG_r(PerlIO_printf(Perl_debug_log, "rarest char %c at %d\n",BmRARE(sv),BmPREVIOUS(sv))); |
378cc40b LW |
797 | } |
798 | ||
378cc40b | 799 | char * |
79072805 | 800 | fbm_instr(big, bigend, littlestr) |
a687059c LW |
801 | unsigned char *big; |
802 | register unsigned char *bigend; | |
79072805 | 803 | SV *littlestr; |
378cc40b | 804 | { |
a687059c | 805 | register unsigned char *s; |
79072805 LW |
806 | register I32 tmp; |
807 | register I32 littlelen; | |
a687059c LW |
808 | register unsigned char *little; |
809 | register unsigned char *table; | |
810 | register unsigned char *olds; | |
811 | register unsigned char *oldlittle; | |
378cc40b | 812 | |
79072805 | 813 | if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) { |
a0d0e21e LW |
814 | STRLEN len; |
815 | char *l = SvPV(littlestr,len); | |
816 | if (!len) | |
d48672a2 | 817 | return (char*)big; |
a0d0e21e | 818 | return ninstr((char*)big,(char*)bigend, l, l + len); |
d48672a2 | 819 | } |
378cc40b | 820 | |
79072805 LW |
821 | littlelen = SvCUR(littlestr); |
822 | if (SvTAIL(littlestr) && !multiline) { /* tail anchored? */ | |
0f85fab0 LW |
823 | if (littlelen > bigend - big) |
824 | return Nullch; | |
463ee0b2 | 825 | little = (unsigned char*)SvPVX(littlestr); |
bbce6d69 | 826 | s = bigend - littlelen; |
827 | if (*s == *little && memcmp((char*)s,(char*)little,littlelen)==0) | |
828 | return (char*)s; /* how sweet it is */ | |
829 | else if (bigend[-1] == '\n' && little[littlelen-1] != '\n' | |
830 | && s > big) { | |
831 | s--; | |
bd4080b3 | 832 | if (*s == *little && memcmp((char*)s,(char*)little,littlelen)==0) |
bbce6d69 | 833 | return (char*)s; |
a687059c | 834 | } |
bbce6d69 | 835 | return Nullch; |
a687059c | 836 | } |
463ee0b2 | 837 | table = (unsigned char*)(SvPVX(littlestr) + littlelen + 1); |
62b28dd9 LW |
838 | if (--littlelen >= bigend - big) |
839 | return Nullch; | |
840 | s = big + littlelen; | |
a687059c | 841 | oldlittle = little = table - 2; |
bbce6d69 | 842 | if (s < bigend) { |
843 | top2: | |
844 | /*SUPPRESS 560*/ | |
845 | if (tmp = table[*s]) { | |
62b28dd9 | 846 | #ifdef POINTERRIGOR |
bbce6d69 | 847 | if (bigend - s > tmp) { |
848 | s += tmp; | |
849 | goto top2; | |
850 | } | |
62b28dd9 | 851 | #else |
bbce6d69 | 852 | if ((s += tmp) < bigend) |
853 | goto top2; | |
62b28dd9 | 854 | #endif |
bbce6d69 | 855 | return Nullch; |
a687059c | 856 | } |
bbce6d69 | 857 | else { |
858 | tmp = littlelen; /* less expensive than calling strncmp() */ | |
859 | olds = s; | |
860 | while (tmp--) { | |
861 | if (*--s == *--little) | |
862 | continue; | |
863 | s = olds + 1; /* here we pay the price for failure */ | |
864 | little = oldlittle; | |
865 | if (s < bigend) /* fake up continue to outer loop */ | |
62b28dd9 | 866 | goto top2; |
62b28dd9 | 867 | return Nullch; |
a687059c | 868 | } |
bbce6d69 | 869 | return (char *)s; |
378cc40b LW |
870 | } |
871 | } | |
872 | return Nullch; | |
873 | } | |
874 | ||
875 | char * | |
876 | screaminstr(bigstr, littlestr) | |
79072805 LW |
877 | SV *bigstr; |
878 | SV *littlestr; | |
378cc40b | 879 | { |
a687059c LW |
880 | register unsigned char *s, *x; |
881 | register unsigned char *big; | |
79072805 LW |
882 | register I32 pos; |
883 | register I32 previous; | |
884 | register I32 first; | |
a687059c LW |
885 | register unsigned char *little; |
886 | register unsigned char *bigend; | |
887 | register unsigned char *littleend; | |
378cc40b | 888 | |
79072805 | 889 | if ((pos = screamfirst[BmRARE(littlestr)]) < 0) |
378cc40b | 890 | return Nullch; |
463ee0b2 | 891 | little = (unsigned char *)(SvPVX(littlestr)); |
79072805 | 892 | littleend = little + SvCUR(littlestr); |
378cc40b | 893 | first = *little++; |
79072805 | 894 | previous = BmPREVIOUS(littlestr); |
463ee0b2 | 895 | big = (unsigned char *)(SvPVX(bigstr)); |
79072805 | 896 | bigend = big + SvCUR(bigstr); |
378cc40b LW |
897 | while (pos < previous) { |
898 | if (!(pos += screamnext[pos])) | |
899 | return Nullch; | |
900 | } | |
de3bb511 | 901 | #ifdef POINTERRIGOR |
bbce6d69 | 902 | do { |
903 | if (big[pos-previous] != first) | |
904 | continue; | |
905 | for (x=big+pos+1-previous,s=little; s < littleend; /**/ ) { | |
906 | if (x >= bigend) | |
907 | return Nullch; | |
908 | if (*s++ != *x++) { | |
909 | s--; | |
910 | break; | |
de3bb511 | 911 | } |
bbce6d69 | 912 | } |
913 | if (s == littleend) | |
914 | return (char *)(big+pos-previous); | |
915 | } while ( pos += screamnext[pos] ); | |
de3bb511 LW |
916 | #else /* !POINTERRIGOR */ |
917 | big -= previous; | |
bbce6d69 | 918 | do { |
919 | if (big[pos] != first) | |
920 | continue; | |
921 | for (x=big+pos+1,s=little; s < littleend; /**/ ) { | |
922 | if (x >= bigend) | |
923 | return Nullch; | |
924 | if (*s++ != *x++) { | |
925 | s--; | |
926 | break; | |
378cc40b | 927 | } |
bbce6d69 | 928 | } |
929 | if (s == littleend) | |
930 | return (char *)(big+pos); | |
931 | } while ( pos += screamnext[pos] ); | |
de3bb511 | 932 | #endif /* POINTERRIGOR */ |
8d063cd8 LW |
933 | return Nullch; |
934 | } | |
935 | ||
79072805 | 936 | I32 |
bbce6d69 | 937 | ibcmp(s1, s2, len) |
938 | char *s1, *s2; | |
79072805 LW |
939 | register I32 len; |
940 | { | |
bbce6d69 | 941 | register U8 *a = (U8 *)s1; |
942 | register U8 *b = (U8 *)s2; | |
79072805 | 943 | while (len--) { |
bbce6d69 | 944 | if (*a != *b && *a != fold[*b]) |
945 | return 1; | |
946 | a++,b++; | |
947 | } | |
948 | return 0; | |
949 | } | |
950 | ||
951 | I32 | |
952 | ibcmp_locale(s1, s2, len) | |
953 | char *s1, *s2; | |
954 | register I32 len; | |
955 | { | |
956 | register U8 *a = (U8 *)s1; | |
957 | register U8 *b = (U8 *)s2; | |
958 | while (len--) { | |
959 | if (*a != *b && *a != fold_locale[*b]) | |
960 | return 1; | |
961 | a++,b++; | |
79072805 LW |
962 | } |
963 | return 0; | |
964 | } | |
965 | ||
8d063cd8 LW |
966 | /* copy a string to a safe spot */ |
967 | ||
968 | char * | |
a0d0e21e | 969 | savepv(sv) |
79072805 | 970 | char *sv; |
8d063cd8 | 971 | { |
a687059c | 972 | register char *newaddr; |
8d063cd8 | 973 | |
79072805 LW |
974 | New(902,newaddr,strlen(sv)+1,char); |
975 | (void)strcpy(newaddr,sv); | |
8d063cd8 LW |
976 | return newaddr; |
977 | } | |
978 | ||
a687059c LW |
979 | /* same thing but with a known length */ |
980 | ||
981 | char * | |
a0d0e21e | 982 | savepvn(sv, len) |
79072805 LW |
983 | char *sv; |
984 | register I32 len; | |
a687059c LW |
985 | { |
986 | register char *newaddr; | |
987 | ||
988 | New(903,newaddr,len+1,char); | |
79072805 | 989 | Copy(sv,newaddr,len,char); /* might not be null terminated */ |
a687059c LW |
990 | newaddr[len] = '\0'; /* is now */ |
991 | return newaddr; | |
992 | } | |
993 | ||
a0d0e21e | 994 | #if !defined(I_STDARG) && !defined(I_VARARGS) |
8d063cd8 | 995 | |
8990e307 LW |
996 | /* |
997 | * Fallback on the old hackers way of doing varargs | |
998 | */ | |
8d063cd8 | 999 | |
378cc40b | 1000 | /*VARARGS1*/ |
7c0587c8 | 1001 | char * |
378cc40b LW |
1002 | mess(pat,a1,a2,a3,a4) |
1003 | char *pat; | |
a687059c | 1004 | long a1, a2, a3, a4; |
378cc40b LW |
1005 | { |
1006 | char *s; | |
f0c5b223 | 1007 | char *s_start; |
79072805 LW |
1008 | I32 usermess = strEQ(pat,"%s"); |
1009 | SV *tmpstr; | |
378cc40b | 1010 | |
f0c5b223 | 1011 | s = s_start = buf; |
de3bb511 | 1012 | if (usermess) { |
8990e307 | 1013 | tmpstr = sv_newmortal(); |
79072805 | 1014 | sv_setpv(tmpstr, (char*)a1); |
463ee0b2 | 1015 | *s++ = SvPVX(tmpstr)[SvCUR(tmpstr)-1]; |
de3bb511 LW |
1016 | } |
1017 | else { | |
1018 | (void)sprintf(s,pat,a1,a2,a3,a4); | |
1019 | s += strlen(s); | |
1020 | } | |
1021 | ||
378cc40b | 1022 | if (s[-1] != '\n') { |
2304df62 AD |
1023 | if (dirty) |
1024 | strcpy(s, " during global destruction.\n"); | |
1025 | else { | |
1026 | if (curcop->cop_line) { | |
1027 | (void)sprintf(s," at %s line %ld", | |
1028 | SvPVX(GvSV(curcop->cop_filegv)), (long)curcop->cop_line); | |
1029 | s += strlen(s); | |
1030 | } | |
a0d0e21e LW |
1031 | if (GvIO(last_in_gv) && |
1032 | IoLINES(GvIOp(last_in_gv)) ) { | |
2304df62 AD |
1033 | (void)sprintf(s,", <%s> %s %ld", |
1034 | last_in_gv == argvgv ? "" : GvENAME(last_in_gv), | |
1035 | strEQ(rs,"\n") ? "line" : "chunk", | |
a0d0e21e | 1036 | (long)IoLINES(GvIOp(last_in_gv))); |
2304df62 AD |
1037 | s += strlen(s); |
1038 | } | |
1039 | (void)strcpy(s,".\n"); | |
f0c5b223 | 1040 | s += 2; |
378cc40b | 1041 | } |
de3bb511 | 1042 | if (usermess) |
79072805 | 1043 | sv_catpv(tmpstr,buf+1); |
378cc40b | 1044 | } |
f0c5b223 TB |
1045 | |
1046 | if (s - s_start >= sizeof(buf)) { /* Ooops! */ | |
1047 | if (usermess) | |
760ac839 | 1048 | PerlIO_puts(PerlIO_stderr(), SvPVX(tmpstr)); |
f0c5b223 | 1049 | else |
760ac839 LW |
1050 | PerlIO_puts(PerlIO_stderr(), buf); |
1051 | PerlIO_puts(PerlIO_stderr(),"panic: message overflow - memory corrupted!\n"); | |
f0c5b223 TB |
1052 | my_exit(1); |
1053 | } | |
de3bb511 | 1054 | if (usermess) |
463ee0b2 | 1055 | return SvPVX(tmpstr); |
de3bb511 LW |
1056 | else |
1057 | return buf; | |
378cc40b LW |
1058 | } |
1059 | ||
8d063cd8 | 1060 | /*VARARGS1*/ |
463ee0b2 | 1061 | void croak(pat,a1,a2,a3,a4) |
8d063cd8 | 1062 | char *pat; |
a687059c | 1063 | long a1, a2, a3, a4; |
8d063cd8 | 1064 | { |
9f68db38 | 1065 | char *tmps; |
de3bb511 | 1066 | char *message; |
748a9306 LW |
1067 | HV *stash; |
1068 | GV *gv; | |
1069 | CV *cv; | |
8d063cd8 | 1070 | |
de3bb511 | 1071 | message = mess(pat,a1,a2,a3,a4); |
20cec16a | 1072 | if (diehook) { |
1073 | SV *olddiehook = diehook; | |
1074 | diehook = Nullsv; /* sv_2cv might call croak() */ | |
1075 | cv = sv_2cv(olddiehook, &stash, &gv, 0); | |
1076 | diehook = olddiehook; | |
1077 | if (cv && !CvDEPTH(cv)) { | |
1078 | dSP; | |
1079 | ||
1080 | PUSHMARK(sp); | |
1081 | EXTEND(sp, 1); | |
1082 | PUSHs(sv_2mortal(newSVpv(message,0))); | |
1083 | PUTBACK; | |
1084 | perl_call_sv((SV*)cv, G_DISCARD); | |
1085 | } | |
748a9306 | 1086 | } |
a0d0e21e LW |
1087 | if (in_eval) { |
1088 | restartop = die_where(message); | |
a5f75d66 | 1089 | Siglongjmp(top_env, 3); |
a0d0e21e | 1090 | } |
760ac839 LW |
1091 | PerlIO_puts(PerlIO_stderr(),message); |
1092 | (void)PerlIO_flush(PerlIO_stderr()); | |
38cd9116 | 1093 | if (e_tmpname) { |
1094 | if (e_fp) { | |
760ac839 | 1095 | PerlIO_close(e_fp); |
38cd9116 | 1096 | e_fp = Nullfp; |
1097 | } | |
a687059c | 1098 | (void)UNLINK(e_tmpname); |
38cd9116 | 1099 | Safefree(e_tmpname); |
1100 | e_tmpname = Nullch; | |
f0c5b223 | 1101 | } |
748a9306 LW |
1102 | statusvalue = SHIFTSTATUS(statusvalue); |
1103 | #ifdef VMS | |
1104 | my_exit((U32)vaxc$errno?vaxc$errno:errno?errno:statusvalue?statusvalue:SS$_ABORT); | |
1105 | #else | |
1106 | my_exit((U32)((errno&255)?errno:((statusvalue&255)?statusvalue:255))); | |
1107 | #endif | |
378cc40b LW |
1108 | } |
1109 | ||
1110 | /*VARARGS1*/ | |
7c0587c8 | 1111 | void warn(pat,a1,a2,a3,a4) |
378cc40b | 1112 | char *pat; |
a687059c | 1113 | long a1, a2, a3, a4; |
378cc40b | 1114 | { |
de3bb511 | 1115 | char *message; |
748a9306 LW |
1116 | SV *sv; |
1117 | HV *stash; | |
1118 | GV *gv; | |
1119 | CV *cv; | |
de3bb511 LW |
1120 | |
1121 | message = mess(pat,a1,a2,a3,a4); | |
20cec16a | 1122 | if (warnhook) { |
1123 | SV *oldwarnhook = warnhook; | |
1124 | warnhook = Nullsv; /* sv_2cv might end up calling warn() */ | |
1125 | cv = sv_2cv(oldwarnhook, &stash, &gv, 0); | |
1126 | warnhook = oldwarnhook; | |
1127 | if (cv && !CvDEPTH(cv)) { | |
1128 | dSP; | |
1129 | ||
1130 | PUSHMARK(sp); | |
1131 | EXTEND(sp, 1); | |
1132 | PUSHs(sv_2mortal(newSVpv(message,0))); | |
1133 | PUTBACK; | |
1134 | perl_call_sv((SV*)cv, G_DISCARD); | |
1135 | return; | |
1136 | } | |
748a9306 | 1137 | } |
20cec16a | 1138 | PerlIO_puts(PerlIO_stderr(),message); |
a687059c | 1139 | #ifdef LEAKTEST |
20cec16a | 1140 | DEBUG_L(xstat()); |
a687059c | 1141 | #endif |
20cec16a | 1142 | (void)PerlIO_flush(PerlIO_stderr()); |
8d063cd8 | 1143 | } |
8990e307 | 1144 | |
a0d0e21e | 1145 | #else /* !defined(I_STDARG) && !defined(I_VARARGS) */ |
8990e307 | 1146 | |
a0d0e21e | 1147 | #ifdef I_STDARG |
8990e307 | 1148 | char * |
2304df62 | 1149 | mess(char *pat, va_list *args) |
a687059c LW |
1150 | #else |
1151 | /*VARARGS0*/ | |
de3bb511 | 1152 | char * |
8990e307 | 1153 | mess(pat, args) |
a687059c | 1154 | char *pat; |
2304df62 | 1155 | va_list *args; |
8990e307 LW |
1156 | #endif |
1157 | { | |
a687059c | 1158 | char *s; |
f0c5b223 | 1159 | char *s_start; |
79072805 LW |
1160 | SV *tmpstr; |
1161 | I32 usermess; | |
d48672a2 | 1162 | #ifndef HAS_VPRINTF |
85e6fe83 | 1163 | #ifdef USE_CHAR_VSPRINTF |
a687059c LW |
1164 | char *vsprintf(); |
1165 | #else | |
79072805 | 1166 | I32 vsprintf(); |
a687059c | 1167 | #endif |
d48672a2 | 1168 | #endif |
a687059c | 1169 | |
f0c5b223 | 1170 | s = s_start = buf; |
de3bb511 LW |
1171 | usermess = strEQ(pat, "%s"); |
1172 | if (usermess) { | |
8990e307 | 1173 | tmpstr = sv_newmortal(); |
2304df62 | 1174 | sv_setpv(tmpstr, va_arg(*args, char *)); |
463ee0b2 | 1175 | *s++ = SvPVX(tmpstr)[SvCUR(tmpstr)-1]; |
de3bb511 LW |
1176 | } |
1177 | else { | |
2304df62 | 1178 | (void) vsprintf(s,pat,*args); |
de3bb511 LW |
1179 | s += strlen(s); |
1180 | } | |
2304df62 | 1181 | va_end(*args); |
a687059c | 1182 | |
a687059c | 1183 | if (s[-1] != '\n') { |
2304df62 AD |
1184 | if (dirty) |
1185 | strcpy(s, " during global destruction.\n"); | |
1186 | else { | |
1187 | if (curcop->cop_line) { | |
1188 | (void)sprintf(s," at %s line %ld", | |
1189 | SvPVX(GvSV(curcop->cop_filegv)), (long)curcop->cop_line); | |
1190 | s += strlen(s); | |
1191 | } | |
c07a80fd | 1192 | if (GvIO(last_in_gv) && IoLINES(GvIOp(last_in_gv))) { |
1193 | bool line_mode = (RsSIMPLE(rs) && | |
1194 | SvLEN(rs) == 1 && *SvPVX(rs) == '\n'); | |
2304df62 AD |
1195 | (void)sprintf(s,", <%s> %s %ld", |
1196 | last_in_gv == argvgv ? "" : GvNAME(last_in_gv), | |
c07a80fd | 1197 | line_mode ? "line" : "chunk", |
a0d0e21e | 1198 | (long)IoLINES(GvIOp(last_in_gv))); |
2304df62 AD |
1199 | s += strlen(s); |
1200 | } | |
1201 | (void)strcpy(s,".\n"); | |
f0c5b223 | 1202 | s += 2; |
a687059c | 1203 | } |
de3bb511 | 1204 | if (usermess) |
79072805 | 1205 | sv_catpv(tmpstr,buf+1); |
a687059c | 1206 | } |
de3bb511 | 1207 | |
f0c5b223 TB |
1208 | if (s - s_start >= sizeof(buf)) { /* Ooops! */ |
1209 | if (usermess) | |
760ac839 | 1210 | PerlIO_puts(PerlIO_stderr(), SvPVX(tmpstr)); |
f0c5b223 | 1211 | else |
760ac839 LW |
1212 | PerlIO_puts(PerlIO_stderr(), buf); |
1213 | PerlIO_puts(PerlIO_stderr(), "panic: message overflow - memory corrupted!\n"); | |
f0c5b223 TB |
1214 | my_exit(1); |
1215 | } | |
de3bb511 | 1216 | if (usermess) |
463ee0b2 | 1217 | return SvPVX(tmpstr); |
de3bb511 LW |
1218 | else |
1219 | return buf; | |
a687059c LW |
1220 | } |
1221 | ||
ecfc5424 | 1222 | #ifdef I_STDARG |
79072805 | 1223 | void |
8990e307 | 1224 | croak(char* pat, ...) |
463ee0b2 | 1225 | #else |
8990e307 LW |
1226 | /*VARARGS0*/ |
1227 | void | |
1228 | croak(pat, va_alist) | |
1229 | char *pat; | |
1230 | va_dcl | |
463ee0b2 | 1231 | #endif |
a687059c LW |
1232 | { |
1233 | va_list args; | |
de3bb511 | 1234 | char *message; |
748a9306 LW |
1235 | HV *stash; |
1236 | GV *gv; | |
1237 | CV *cv; | |
a687059c | 1238 | |
a0d0e21e | 1239 | #ifdef I_STDARG |
8990e307 LW |
1240 | va_start(args, pat); |
1241 | #else | |
a687059c | 1242 | va_start(args); |
8990e307 | 1243 | #endif |
2304df62 | 1244 | message = mess(pat, &args); |
a687059c | 1245 | va_end(args); |
20cec16a | 1246 | if (diehook) { |
1247 | SV *olddiehook = diehook; | |
1248 | diehook = Nullsv; /* sv_2cv might call croak() */ | |
1249 | cv = sv_2cv(olddiehook, &stash, &gv, 0); | |
1250 | diehook = olddiehook; | |
1251 | if (cv && !CvDEPTH(cv)) { | |
1252 | dSP; | |
1253 | ||
1254 | PUSHMARK(sp); | |
1255 | EXTEND(sp, 1); | |
1256 | PUSHs(sv_2mortal(newSVpv(message,0))); | |
1257 | PUTBACK; | |
1258 | perl_call_sv((SV*)cv, G_DISCARD); | |
1259 | } | |
748a9306 | 1260 | } |
a0d0e21e LW |
1261 | if (in_eval) { |
1262 | restartop = die_where(message); | |
a5f75d66 | 1263 | Siglongjmp(top_env, 3); |
a0d0e21e | 1264 | } |
760ac839 LW |
1265 | PerlIO_puts(PerlIO_stderr(),message); |
1266 | (void)PerlIO_flush(PerlIO_stderr()); | |
38cd9116 | 1267 | if (e_tmpname) { |
1268 | if (e_fp) { | |
760ac839 | 1269 | PerlIO_close(e_fp); |
38cd9116 | 1270 | e_fp = Nullfp; |
1271 | } | |
a687059c | 1272 | (void)UNLINK(e_tmpname); |
38cd9116 | 1273 | Safefree(e_tmpname); |
1274 | e_tmpname = Nullch; | |
f0c5b223 | 1275 | } |
748a9306 LW |
1276 | statusvalue = SHIFTSTATUS(statusvalue); |
1277 | #ifdef VMS | |
1278 | my_exit((U32)(vaxc$errno?vaxc$errno:(statusvalue?statusvalue:44))); | |
1279 | #else | |
1280 | my_exit((U32)((errno&255)?errno:((statusvalue&255)?statusvalue:255))); | |
1281 | #endif | |
a687059c LW |
1282 | } |
1283 | ||
8990e307 | 1284 | void |
ecfc5424 | 1285 | #ifdef I_STDARG |
8990e307 | 1286 | warn(char* pat,...) |
463ee0b2 | 1287 | #else |
8990e307 LW |
1288 | /*VARARGS0*/ |
1289 | warn(pat,va_alist) | |
1290 | char *pat; | |
1291 | va_dcl | |
463ee0b2 | 1292 | #endif |
a687059c LW |
1293 | { |
1294 | va_list args; | |
de3bb511 | 1295 | char *message; |
748a9306 LW |
1296 | HV *stash; |
1297 | GV *gv; | |
1298 | CV *cv; | |
a687059c | 1299 | |
a0d0e21e | 1300 | #ifdef I_STDARG |
8990e307 LW |
1301 | va_start(args, pat); |
1302 | #else | |
a687059c | 1303 | va_start(args); |
8990e307 | 1304 | #endif |
2304df62 | 1305 | message = mess(pat, &args); |
a687059c LW |
1306 | va_end(args); |
1307 | ||
20cec16a | 1308 | if (warnhook) { |
1309 | SV *oldwarnhook = warnhook; | |
1310 | warnhook = Nullsv; /* sv_2cv might end up calling warn() */ | |
1311 | cv = sv_2cv(oldwarnhook, &stash, &gv, 0); | |
1312 | warnhook = oldwarnhook; | |
1313 | if (cv && !CvDEPTH(cv)) { | |
1314 | dSP; | |
1315 | ||
1316 | PUSHMARK(sp); | |
1317 | EXTEND(sp, 1); | |
1318 | PUSHs(sv_2mortal(newSVpv(message,0))); | |
1319 | PUTBACK; | |
1320 | perl_call_sv((SV*)cv, G_DISCARD); | |
1321 | return; | |
1322 | } | |
748a9306 | 1323 | } |
20cec16a | 1324 | PerlIO_puts(PerlIO_stderr(),message); |
a687059c | 1325 | #ifdef LEAKTEST |
20cec16a | 1326 | DEBUG_L(xstat()); |
a687059c | 1327 | #endif |
20cec16a | 1328 | (void)PerlIO_flush(PerlIO_stderr()); |
a687059c | 1329 | } |
a0d0e21e | 1330 | #endif /* !defined(I_STDARG) && !defined(I_VARARGS) */ |
8d063cd8 | 1331 | |
a0d0e21e | 1332 | #ifndef VMS /* VMS' my_setenv() is in VMS.c */ |
8d063cd8 | 1333 | void |
7c0587c8 | 1334 | my_setenv(nam,val) |
8d063cd8 LW |
1335 | char *nam, *val; |
1336 | { | |
79072805 | 1337 | register I32 i=setenv_getix(nam); /* where does it go? */ |
8d063cd8 | 1338 | |
fe14fcc3 | 1339 | if (environ == origenviron) { /* need we copy environment? */ |
79072805 LW |
1340 | I32 j; |
1341 | I32 max; | |
fe14fcc3 LW |
1342 | char **tmpenv; |
1343 | ||
de3bb511 | 1344 | /*SUPPRESS 530*/ |
fe14fcc3 LW |
1345 | for (max = i; environ[max]; max++) ; |
1346 | New(901,tmpenv, max+2, char*); | |
1347 | for (j=0; j<max; j++) /* copy environment */ | |
a0d0e21e | 1348 | tmpenv[j] = savepv(environ[j]); |
fe14fcc3 LW |
1349 | tmpenv[max] = Nullch; |
1350 | environ = tmpenv; /* tell exec where it is now */ | |
1351 | } | |
a687059c LW |
1352 | if (!val) { |
1353 | while (environ[i]) { | |
1354 | environ[i] = environ[i+1]; | |
1355 | i++; | |
1356 | } | |
1357 | return; | |
1358 | } | |
8d063cd8 | 1359 | if (!environ[i]) { /* does not exist yet */ |
fe14fcc3 | 1360 | Renew(environ, i+2, char*); /* just expand it a bit */ |
8d063cd8 LW |
1361 | environ[i+1] = Nullch; /* make sure it's null terminated */ |
1362 | } | |
fe14fcc3 LW |
1363 | else |
1364 | Safefree(environ[i]); | |
a687059c | 1365 | New(904, environ[i], strlen(nam) + strlen(val) + 2, char); |
62b28dd9 | 1366 | #ifndef MSDOS |
a687059c | 1367 | (void)sprintf(environ[i],"%s=%s",nam,val);/* all that work just for this */ |
62b28dd9 LW |
1368 | #else |
1369 | /* MS-DOS requires environment variable names to be in uppercase */ | |
fe14fcc3 LW |
1370 | /* [Tom Dinger, 27 August 1990: Well, it doesn't _require_ it, but |
1371 | * some utilities and applications may break because they only look | |
1372 | * for upper case strings. (Fixed strupr() bug here.)] | |
1373 | */ | |
1374 | strcpy(environ[i],nam); strupr(environ[i]); | |
62b28dd9 LW |
1375 | (void)sprintf(environ[i] + strlen(nam),"=%s",val); |
1376 | #endif /* MSDOS */ | |
8d063cd8 LW |
1377 | } |
1378 | ||
79072805 LW |
1379 | I32 |
1380 | setenv_getix(nam) | |
8d063cd8 LW |
1381 | char *nam; |
1382 | { | |
79072805 | 1383 | register I32 i, len = strlen(nam); |
8d063cd8 LW |
1384 | |
1385 | for (i = 0; environ[i]; i++) { | |
1386 | if (strnEQ(environ[i],nam,len) && environ[i][len] == '=') | |
1387 | break; /* strnEQ must come first to avoid */ | |
1388 | } /* potential SEGV's */ | |
1389 | return i; | |
1390 | } | |
a0d0e21e | 1391 | #endif /* !VMS */ |
378cc40b | 1392 | |
16d20bd9 | 1393 | #ifdef UNLINK_ALL_VERSIONS |
79072805 | 1394 | I32 |
378cc40b LW |
1395 | unlnk(f) /* unlink all versions of a file */ |
1396 | char *f; | |
1397 | { | |
79072805 | 1398 | I32 i; |
378cc40b LW |
1399 | |
1400 | for (i = 0; unlink(f) >= 0; i++) ; | |
1401 | return i ? 0 : -1; | |
1402 | } | |
1403 | #endif | |
1404 | ||
85e6fe83 | 1405 | #if !defined(HAS_BCOPY) || !defined(HAS_SAFE_BCOPY) |
378cc40b | 1406 | char * |
7c0587c8 | 1407 | my_bcopy(from,to,len) |
378cc40b LW |
1408 | register char *from; |
1409 | register char *to; | |
79072805 | 1410 | register I32 len; |
378cc40b LW |
1411 | { |
1412 | char *retval = to; | |
1413 | ||
7c0587c8 LW |
1414 | if (from - to >= 0) { |
1415 | while (len--) | |
1416 | *to++ = *from++; | |
1417 | } | |
1418 | else { | |
1419 | to += len; | |
1420 | from += len; | |
1421 | while (len--) | |
faf8582f | 1422 | *(--to) = *(--from); |
7c0587c8 | 1423 | } |
378cc40b LW |
1424 | return retval; |
1425 | } | |
ffed7fef | 1426 | #endif |
378cc40b | 1427 | |
7c0587c8 | 1428 | #if !defined(HAS_BZERO) && !defined(HAS_MEMSET) |
378cc40b | 1429 | char * |
7c0587c8 | 1430 | my_bzero(loc,len) |
378cc40b | 1431 | register char *loc; |
79072805 | 1432 | register I32 len; |
378cc40b LW |
1433 | { |
1434 | char *retval = loc; | |
1435 | ||
1436 | while (len--) | |
1437 | *loc++ = 0; | |
1438 | return retval; | |
1439 | } | |
1440 | #endif | |
7c0587c8 LW |
1441 | |
1442 | #ifndef HAS_MEMCMP | |
79072805 | 1443 | I32 |
7c0587c8 LW |
1444 | my_memcmp(s1,s2,len) |
1445 | register unsigned char *s1; | |
1446 | register unsigned char *s2; | |
79072805 | 1447 | register I32 len; |
7c0587c8 | 1448 | { |
79072805 | 1449 | register I32 tmp; |
7c0587c8 LW |
1450 | |
1451 | while (len--) { | |
1452 | if (tmp = *s1++ - *s2++) | |
1453 | return tmp; | |
1454 | } | |
1455 | return 0; | |
1456 | } | |
1457 | #endif /* HAS_MEMCMP */ | |
a687059c | 1458 | |
4633a7c4 | 1459 | #if defined(I_STDARG) || defined(I_VARARGS) |
fe14fcc3 | 1460 | #ifndef HAS_VPRINTF |
a687059c | 1461 | |
85e6fe83 | 1462 | #ifdef USE_CHAR_VSPRINTF |
a687059c LW |
1463 | char * |
1464 | #else | |
1465 | int | |
1466 | #endif | |
1467 | vsprintf(dest, pat, args) | |
1468 | char *dest, *pat, *args; | |
1469 | { | |
1470 | FILE fakebuf; | |
1471 | ||
1472 | fakebuf._ptr = dest; | |
1473 | fakebuf._cnt = 32767; | |
35c8bce7 LW |
1474 | #ifndef _IOSTRG |
1475 | #define _IOSTRG 0 | |
1476 | #endif | |
a687059c LW |
1477 | fakebuf._flag = _IOWRT|_IOSTRG; |
1478 | _doprnt(pat, args, &fakebuf); /* what a kludge */ | |
1479 | (void)putc('\0', &fakebuf); | |
85e6fe83 | 1480 | #ifdef USE_CHAR_VSPRINTF |
a687059c LW |
1481 | return(dest); |
1482 | #else | |
1483 | return 0; /* perl doesn't use return value */ | |
1484 | #endif | |
1485 | } | |
1486 | ||
fe14fcc3 | 1487 | #endif /* HAS_VPRINTF */ |
4633a7c4 | 1488 | #endif /* I_VARARGS || I_STDARGS */ |
a687059c LW |
1489 | |
1490 | #ifdef MYSWAP | |
ffed7fef | 1491 | #if BYTEORDER != 0x4321 |
a687059c | 1492 | short |
748a9306 | 1493 | #ifndef CAN_PROTOTYPE |
a687059c LW |
1494 | my_swap(s) |
1495 | short s; | |
748a9306 LW |
1496 | #else |
1497 | my_swap(short s) | |
1498 | #endif | |
a687059c LW |
1499 | { |
1500 | #if (BYTEORDER & 1) == 0 | |
1501 | short result; | |
1502 | ||
1503 | result = ((s & 255) << 8) + ((s >> 8) & 255); | |
1504 | return result; | |
1505 | #else | |
1506 | return s; | |
1507 | #endif | |
1508 | } | |
1509 | ||
1510 | long | |
748a9306 LW |
1511 | #ifndef CAN_PROTOTYPE |
1512 | my_htonl(l) | |
a687059c | 1513 | register long l; |
748a9306 LW |
1514 | #else |
1515 | my_htonl(long l) | |
1516 | #endif | |
a687059c LW |
1517 | { |
1518 | union { | |
1519 | long result; | |
ffed7fef | 1520 | char c[sizeof(long)]; |
a687059c LW |
1521 | } u; |
1522 | ||
ffed7fef | 1523 | #if BYTEORDER == 0x1234 |
a687059c LW |
1524 | u.c[0] = (l >> 24) & 255; |
1525 | u.c[1] = (l >> 16) & 255; | |
1526 | u.c[2] = (l >> 8) & 255; | |
1527 | u.c[3] = l & 255; | |
1528 | return u.result; | |
1529 | #else | |
ffed7fef | 1530 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
463ee0b2 | 1531 | croak("Unknown BYTEORDER\n"); |
a687059c | 1532 | #else |
79072805 LW |
1533 | register I32 o; |
1534 | register I32 s; | |
a687059c | 1535 | |
ffed7fef LW |
1536 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
1537 | u.c[o & 0xf] = (l >> s) & 255; | |
a687059c LW |
1538 | } |
1539 | return u.result; | |
1540 | #endif | |
1541 | #endif | |
1542 | } | |
1543 | ||
1544 | long | |
748a9306 LW |
1545 | #ifndef CAN_PROTOTYPE |
1546 | my_ntohl(l) | |
a687059c | 1547 | register long l; |
748a9306 LW |
1548 | #else |
1549 | my_ntohl(long l) | |
1550 | #endif | |
a687059c LW |
1551 | { |
1552 | union { | |
1553 | long l; | |
ffed7fef | 1554 | char c[sizeof(long)]; |
a687059c LW |
1555 | } u; |
1556 | ||
ffed7fef | 1557 | #if BYTEORDER == 0x1234 |
a687059c LW |
1558 | u.c[0] = (l >> 24) & 255; |
1559 | u.c[1] = (l >> 16) & 255; | |
1560 | u.c[2] = (l >> 8) & 255; | |
1561 | u.c[3] = l & 255; | |
1562 | return u.l; | |
1563 | #else | |
ffed7fef | 1564 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
463ee0b2 | 1565 | croak("Unknown BYTEORDER\n"); |
a687059c | 1566 | #else |
79072805 LW |
1567 | register I32 o; |
1568 | register I32 s; | |
a687059c LW |
1569 | |
1570 | u.l = l; | |
1571 | l = 0; | |
ffed7fef LW |
1572 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
1573 | l |= (u.c[o & 0xf] & 255) << s; | |
a687059c LW |
1574 | } |
1575 | return l; | |
1576 | #endif | |
1577 | #endif | |
1578 | } | |
1579 | ||
ffed7fef | 1580 | #endif /* BYTEORDER != 0x4321 */ |
988174c1 LW |
1581 | #endif /* MYSWAP */ |
1582 | ||
1583 | /* | |
1584 | * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. | |
1585 | * If these functions are defined, | |
1586 | * the BYTEORDER is neither 0x1234 nor 0x4321. | |
1587 | * However, this is not assumed. | |
1588 | * -DWS | |
1589 | */ | |
1590 | ||
1591 | #define HTOV(name,type) \ | |
1592 | type \ | |
1593 | name (n) \ | |
1594 | register type n; \ | |
1595 | { \ | |
1596 | union { \ | |
1597 | type value; \ | |
1598 | char c[sizeof(type)]; \ | |
1599 | } u; \ | |
79072805 LW |
1600 | register I32 i; \ |
1601 | register I32 s; \ | |
988174c1 LW |
1602 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ |
1603 | u.c[i] = (n >> s) & 0xFF; \ | |
1604 | } \ | |
1605 | return u.value; \ | |
1606 | } | |
1607 | ||
1608 | #define VTOH(name,type) \ | |
1609 | type \ | |
1610 | name (n) \ | |
1611 | register type n; \ | |
1612 | { \ | |
1613 | union { \ | |
1614 | type value; \ | |
1615 | char c[sizeof(type)]; \ | |
1616 | } u; \ | |
79072805 LW |
1617 | register I32 i; \ |
1618 | register I32 s; \ | |
988174c1 LW |
1619 | u.value = n; \ |
1620 | n = 0; \ | |
1621 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ | |
1622 | n += (u.c[i] & 0xFF) << s; \ | |
1623 | } \ | |
1624 | return n; \ | |
1625 | } | |
1626 | ||
1627 | #if defined(HAS_HTOVS) && !defined(htovs) | |
1628 | HTOV(htovs,short) | |
1629 | #endif | |
1630 | #if defined(HAS_HTOVL) && !defined(htovl) | |
1631 | HTOV(htovl,long) | |
1632 | #endif | |
1633 | #if defined(HAS_VTOHS) && !defined(vtohs) | |
1634 | VTOH(vtohs,short) | |
1635 | #endif | |
1636 | #if defined(HAS_VTOHL) && !defined(vtohl) | |
1637 | VTOH(vtohl,long) | |
1638 | #endif | |
a687059c | 1639 | |
55497cff | 1640 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) \ |
1641 | && !defined(VMS) /* VMS' my_popen() is in VMS.c, same with OS/2. */ | |
760ac839 | 1642 | PerlIO * |
79072805 | 1643 | my_popen(cmd,mode) |
a687059c LW |
1644 | char *cmd; |
1645 | char *mode; | |
1646 | { | |
1647 | int p[2]; | |
79072805 LW |
1648 | register I32 this, that; |
1649 | register I32 pid; | |
1650 | SV *sv; | |
55497cff | 1651 | I32 doexec = |
1652 | #ifdef AMIGAOS | |
1653 | 1; | |
1654 | #else | |
1655 | strNE(cmd,"-"); | |
1656 | #endif | |
a687059c | 1657 | |
ddcf38b7 IZ |
1658 | #ifdef OS2 |
1659 | if (doexec) { | |
1660 | return my_syspopen(cmd,mode); | |
1661 | } | |
1662 | #endif | |
a687059c LW |
1663 | if (pipe(p) < 0) |
1664 | return Nullfp; | |
1665 | this = (*mode == 'w'); | |
1666 | that = !this; | |
bbce6d69 | 1667 | if (doexec && tainting) { |
1668 | taint_env(); | |
1669 | taint_proper("Insecure %s%s", "EXEC"); | |
d48672a2 | 1670 | } |
a687059c LW |
1671 | while ((pid = (doexec?vfork():fork())) < 0) { |
1672 | if (errno != EAGAIN) { | |
1673 | close(p[this]); | |
1674 | if (!doexec) | |
463ee0b2 | 1675 | croak("Can't fork"); |
a687059c LW |
1676 | return Nullfp; |
1677 | } | |
1678 | sleep(5); | |
1679 | } | |
1680 | if (pid == 0) { | |
79072805 LW |
1681 | GV* tmpgv; |
1682 | ||
a687059c LW |
1683 | #define THIS that |
1684 | #define THAT this | |
1685 | close(p[THAT]); | |
1686 | if (p[THIS] != (*mode == 'r')) { | |
1687 | dup2(p[THIS], *mode == 'r'); | |
1688 | close(p[THIS]); | |
1689 | } | |
1690 | if (doexec) { | |
a0d0e21e | 1691 | #if !defined(HAS_FCNTL) || !defined(F_SETFD) |
ae986130 LW |
1692 | int fd; |
1693 | ||
1694 | #ifndef NOFILE | |
1695 | #define NOFILE 20 | |
1696 | #endif | |
d48672a2 | 1697 | for (fd = maxsysfd + 1; fd < NOFILE; fd++) |
ae986130 LW |
1698 | close(fd); |
1699 | #endif | |
a687059c LW |
1700 | do_exec(cmd); /* may or may not use the shell */ |
1701 | _exit(1); | |
1702 | } | |
de3bb511 | 1703 | /*SUPPRESS 560*/ |
85e6fe83 | 1704 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
79072805 | 1705 | sv_setiv(GvSV(tmpgv),(I32)getpid()); |
9f68db38 | 1706 | forkprocess = 0; |
463ee0b2 | 1707 | hv_clear(pidstatus); /* we have no children */ |
a687059c LW |
1708 | return Nullfp; |
1709 | #undef THIS | |
1710 | #undef THAT | |
1711 | } | |
62b28dd9 | 1712 | do_execfree(); /* free any memory malloced by child on vfork */ |
a687059c | 1713 | close(p[that]); |
62b28dd9 LW |
1714 | if (p[that] < p[this]) { |
1715 | dup2(p[this], p[that]); | |
1716 | close(p[this]); | |
1717 | p[this] = p[that]; | |
1718 | } | |
79072805 | 1719 | sv = *av_fetch(fdpid,p[this],TRUE); |
a0d0e21e | 1720 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 | 1721 | SvIVX(sv) = pid; |
a687059c | 1722 | forkprocess = pid; |
760ac839 | 1723 | return PerlIO_fdopen(p[this], mode); |
a687059c | 1724 | } |
7c0587c8 | 1725 | #else |
55497cff | 1726 | #if defined(atarist) || defined(DJGPP) |
7c0587c8 | 1727 | FILE *popen(); |
760ac839 | 1728 | PerlIO * |
79072805 | 1729 | my_popen(cmd,mode) |
7c0587c8 LW |
1730 | char *cmd; |
1731 | char *mode; | |
1732 | { | |
760ac839 | 1733 | /* Needs work for PerlIO ! */ |
55497cff | 1734 | /* used 0 for 2nd parameter to PerlIO-exportFILE; apparently not used */ |
1735 | return popen(PerlIO_exportFILE(cmd, 0), mode); | |
7c0587c8 LW |
1736 | } |
1737 | #endif | |
1738 | ||
1739 | #endif /* !DOSISH */ | |
a687059c | 1740 | |
748a9306 | 1741 | #ifdef DUMP_FDS |
79072805 | 1742 | dump_fds(s) |
ae986130 LW |
1743 | char *s; |
1744 | { | |
1745 | int fd; | |
1746 | struct stat tmpstatbuf; | |
1747 | ||
760ac839 | 1748 | PerlIO_printf(PerlIO_stderr(),"%s", s); |
ae986130 | 1749 | for (fd = 0; fd < 32; fd++) { |
a0d0e21e | 1750 | if (Fstat(fd,&tmpstatbuf) >= 0) |
760ac839 | 1751 | PerlIO_printf(PerlIO_stderr()," %d",fd); |
ae986130 | 1752 | } |
760ac839 | 1753 | PerlIO_printf(PerlIO_stderr(),"\n"); |
ae986130 LW |
1754 | } |
1755 | #endif | |
1756 | ||
fe14fcc3 | 1757 | #ifndef HAS_DUP2 |
fec02dd3 | 1758 | int |
a687059c LW |
1759 | dup2(oldfd,newfd) |
1760 | int oldfd; | |
1761 | int newfd; | |
1762 | { | |
a0d0e21e | 1763 | #if defined(HAS_FCNTL) && defined(F_DUPFD) |
fec02dd3 AD |
1764 | if (oldfd == newfd) |
1765 | return oldfd; | |
62b28dd9 | 1766 | close(newfd); |
fec02dd3 | 1767 | return fcntl(oldfd, F_DUPFD, newfd); |
62b28dd9 | 1768 | #else |
d48672a2 | 1769 | int fdtmp[256]; |
79072805 | 1770 | I32 fdx = 0; |
ae986130 LW |
1771 | int fd; |
1772 | ||
fe14fcc3 | 1773 | if (oldfd == newfd) |
fec02dd3 | 1774 | return oldfd; |
a687059c | 1775 | close(newfd); |
fec02dd3 | 1776 | while ((fd = dup(oldfd)) != newfd && fd >= 0) /* good enough for low fd's */ |
ae986130 LW |
1777 | fdtmp[fdx++] = fd; |
1778 | while (fdx > 0) | |
1779 | close(fdtmp[--fdx]); | |
fec02dd3 | 1780 | return fd; |
62b28dd9 | 1781 | #endif |
a687059c LW |
1782 | } |
1783 | #endif | |
1784 | ||
ff68c719 | 1785 | |
1786 | #ifdef HAS_SIGACTION | |
1787 | ||
1788 | Sighandler_t | |
1789 | rsignal(signo, handler) | |
1790 | int signo; | |
1791 | Sighandler_t handler; | |
1792 | { | |
1793 | struct sigaction act, oact; | |
1794 | ||
1795 | act.sa_handler = handler; | |
1796 | sigemptyset(&act.sa_mask); | |
1797 | act.sa_flags = 0; | |
1798 | #ifdef SA_RESTART | |
1799 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ | |
1800 | #endif | |
1801 | if (sigaction(signo, &act, &oact) == -1) | |
1802 | return(SIG_ERR); | |
1803 | else | |
1804 | return(oact.sa_handler); | |
1805 | } | |
1806 | ||
1807 | Sighandler_t | |
1808 | rsignal_state(signo) | |
1809 | int signo; | |
1810 | { | |
1811 | struct sigaction oact; | |
1812 | ||
1813 | if (sigaction(signo, (struct sigaction *)NULL, &oact) == -1) | |
1814 | return SIG_ERR; | |
1815 | else | |
1816 | return oact.sa_handler; | |
1817 | } | |
1818 | ||
1819 | int | |
1820 | rsignal_save(signo, handler, save) | |
1821 | int signo; | |
1822 | Sighandler_t handler; | |
1823 | Sigsave_t *save; | |
1824 | { | |
1825 | struct sigaction act; | |
1826 | ||
1827 | act.sa_handler = handler; | |
1828 | sigemptyset(&act.sa_mask); | |
1829 | act.sa_flags = 0; | |
1830 | #ifdef SA_RESTART | |
1831 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ | |
1832 | #endif | |
1833 | return sigaction(signo, &act, save); | |
1834 | } | |
1835 | ||
1836 | int | |
1837 | rsignal_restore(signo, save) | |
1838 | int signo; | |
1839 | Sigsave_t *save; | |
1840 | { | |
1841 | return sigaction(signo, save, (struct sigaction *)NULL); | |
1842 | } | |
1843 | ||
1844 | #else /* !HAS_SIGACTION */ | |
1845 | ||
1846 | Sighandler_t | |
1847 | rsignal(signo, handler) | |
1848 | int signo; | |
1849 | Sighandler_t handler; | |
1850 | { | |
1851 | return signal(signo, handler); | |
1852 | } | |
1853 | ||
1854 | static int sig_trapped; | |
1855 | ||
1856 | static | |
1857 | Signal_t | |
1858 | sig_trap(signo) | |
1859 | int signo; | |
1860 | { | |
1861 | sig_trapped++; | |
1862 | } | |
1863 | ||
1864 | Sighandler_t | |
1865 | rsignal_state(signo) | |
1866 | int signo; | |
1867 | { | |
1868 | Sighandler_t oldsig; | |
1869 | ||
1870 | sig_trapped = 0; | |
1871 | oldsig = signal(signo, sig_trap); | |
1872 | signal(signo, oldsig); | |
1873 | if (sig_trapped) | |
1874 | kill(getpid(), signo); | |
1875 | return oldsig; | |
1876 | } | |
1877 | ||
1878 | int | |
1879 | rsignal_save(signo, handler, save) | |
1880 | int signo; | |
1881 | Sighandler_t handler; | |
1882 | Sigsave_t *save; | |
1883 | { | |
1884 | *save = signal(signo, handler); | |
1885 | return (*save == SIG_ERR) ? -1 : 0; | |
1886 | } | |
1887 | ||
1888 | int | |
1889 | rsignalrestore(signo, save) | |
1890 | int signo; | |
1891 | Sigsave_t *save; | |
1892 | { | |
1893 | return (signal(signo, *save) == SIG_ERR) ? -1 : 0; | |
1894 | } | |
1895 | ||
1896 | #endif /* !HAS_SIGACTION */ | |
1897 | ||
1898 | ||
55497cff | 1899 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) \ |
1900 | && !defined(VMS) /* VMS' my_popen() is in VMS.c */ | |
79072805 LW |
1901 | I32 |
1902 | my_pclose(ptr) | |
760ac839 | 1903 | PerlIO *ptr; |
a687059c | 1904 | { |
ff68c719 | 1905 | Sigsave_t hstat, istat, qstat; |
a687059c | 1906 | int status; |
a0d0e21e | 1907 | SV **svp; |
20188a90 | 1908 | int pid; |
a687059c | 1909 | |
760ac839 | 1910 | svp = av_fetch(fdpid,PerlIO_fileno(ptr),TRUE); |
748a9306 | 1911 | pid = (int)SvIVX(*svp); |
a0d0e21e LW |
1912 | SvREFCNT_dec(*svp); |
1913 | *svp = &sv_undef; | |
ddcf38b7 IZ |
1914 | #ifdef OS2 |
1915 | if (pid == -1) { /* Opened by popen. */ | |
1916 | return my_syspclose(ptr); | |
1917 | } | |
1918 | #endif | |
760ac839 | 1919 | PerlIO_close(ptr); |
7c0587c8 LW |
1920 | #ifdef UTS |
1921 | if(kill(pid, 0) < 0) { return(pid); } /* HOM 12/23/91 */ | |
1922 | #endif | |
ff68c719 | 1923 | rsignal_save(SIGHUP, SIG_IGN, &hstat); |
1924 | rsignal_save(SIGINT, SIG_IGN, &istat); | |
1925 | rsignal_save(SIGQUIT, SIG_IGN, &qstat); | |
748a9306 LW |
1926 | do { |
1927 | pid = wait4pid(pid, &status, 0); | |
1928 | } while (pid == -1 && errno == EINTR); | |
ff68c719 | 1929 | rsignal_restore(SIGHUP, &hstat); |
1930 | rsignal_restore(SIGINT, &istat); | |
1931 | rsignal_restore(SIGQUIT, &qstat); | |
20188a90 LW |
1932 | return(pid < 0 ? pid : status); |
1933 | } | |
4633a7c4 LW |
1934 | #endif /* !DOSISH */ |
1935 | ||
1936 | #if !defined(DOSISH) || defined(OS2) | |
79072805 | 1937 | I32 |
20188a90 LW |
1938 | wait4pid(pid,statusp,flags) |
1939 | int pid; | |
1940 | int *statusp; | |
1941 | int flags; | |
1942 | { | |
79072805 LW |
1943 | SV *sv; |
1944 | SV** svp; | |
20188a90 LW |
1945 | char spid[16]; |
1946 | ||
1947 | if (!pid) | |
1948 | return -1; | |
20188a90 LW |
1949 | if (pid > 0) { |
1950 | sprintf(spid, "%d", pid); | |
79072805 LW |
1951 | svp = hv_fetch(pidstatus,spid,strlen(spid),FALSE); |
1952 | if (svp && *svp != &sv_undef) { | |
463ee0b2 | 1953 | *statusp = SvIVX(*svp); |
748a9306 | 1954 | (void)hv_delete(pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 LW |
1955 | return pid; |
1956 | } | |
1957 | } | |
1958 | else { | |
79072805 | 1959 | HE *entry; |
20188a90 | 1960 | |
79072805 LW |
1961 | hv_iterinit(pidstatus); |
1962 | if (entry = hv_iternext(pidstatus)) { | |
a0d0e21e | 1963 | pid = atoi(hv_iterkey(entry,(I32*)statusp)); |
79072805 | 1964 | sv = hv_iterval(pidstatus,entry); |
463ee0b2 | 1965 | *statusp = SvIVX(sv); |
20188a90 | 1966 | sprintf(spid, "%d", pid); |
748a9306 | 1967 | (void)hv_delete(pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 LW |
1968 | return pid; |
1969 | } | |
1970 | } | |
79072805 LW |
1971 | #ifdef HAS_WAITPID |
1972 | return waitpid(pid,statusp,flags); | |
1973 | #else | |
a0d0e21e LW |
1974 | #ifdef HAS_WAIT4 |
1975 | return wait4((pid==-1)?0:pid,statusp,flags,Null(struct rusage *)); | |
1976 | #else | |
1977 | { | |
1978 | I32 result; | |
1979 | if (flags) | |
1980 | croak("Can't do waitpid with flags"); | |
1981 | else { | |
1982 | while ((result = wait(statusp)) != pid && pid > 0 && result >= 0) | |
1983 | pidgone(result,*statusp); | |
1984 | if (result < 0) | |
1985 | *statusp = -1; | |
1986 | } | |
1987 | return result; | |
a687059c LW |
1988 | } |
1989 | #endif | |
20188a90 | 1990 | #endif |
a687059c | 1991 | } |
7c0587c8 | 1992 | #endif /* !DOSISH */ |
a687059c | 1993 | |
7c0587c8 | 1994 | void |
de3bb511 | 1995 | /*SUPPRESS 590*/ |
a687059c LW |
1996 | pidgone(pid,status) |
1997 | int pid; | |
1998 | int status; | |
1999 | { | |
79072805 | 2000 | register SV *sv; |
20188a90 | 2001 | char spid[16]; |
a687059c | 2002 | |
20188a90 | 2003 | sprintf(spid, "%d", pid); |
79072805 | 2004 | sv = *hv_fetch(pidstatus,spid,strlen(spid),TRUE); |
a0d0e21e | 2005 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 | 2006 | SvIVX(sv) = status; |
20188a90 | 2007 | return; |
a687059c LW |
2008 | } |
2009 | ||
55497cff | 2010 | #if defined(atarist) || defined(OS2) || defined(DJGPP) |
7c0587c8 | 2011 | int pclose(); |
ddcf38b7 IZ |
2012 | #ifdef HAS_FORK |
2013 | int /* Cannot prototype with I32 | |
2014 | in os2ish.h. */ | |
2015 | my_syspclose(ptr) | |
2016 | #else | |
79072805 LW |
2017 | I32 |
2018 | my_pclose(ptr) | |
ddcf38b7 | 2019 | #endif |
760ac839 | 2020 | PerlIO *ptr; |
a687059c | 2021 | { |
760ac839 LW |
2022 | /* Needs work for PerlIO ! */ |
2023 | FILE *f = PerlIO_findFILE(ptr); | |
2024 | I32 result = pclose(f); | |
2025 | PerlIO_releaseFILE(ptr,f); | |
2026 | return result; | |
a687059c | 2027 | } |
7c0587c8 | 2028 | #endif |
9f68db38 LW |
2029 | |
2030 | void | |
2031 | repeatcpy(to,from,len,count) | |
2032 | register char *to; | |
2033 | register char *from; | |
79072805 LW |
2034 | I32 len; |
2035 | register I32 count; | |
9f68db38 | 2036 | { |
79072805 | 2037 | register I32 todo; |
9f68db38 LW |
2038 | register char *frombase = from; |
2039 | ||
2040 | if (len == 1) { | |
2041 | todo = *from; | |
2042 | while (count-- > 0) | |
2043 | *to++ = todo; | |
2044 | return; | |
2045 | } | |
2046 | while (count-- > 0) { | |
2047 | for (todo = len; todo > 0; todo--) { | |
2048 | *to++ = *from++; | |
2049 | } | |
2050 | from = frombase; | |
2051 | } | |
2052 | } | |
0f85fab0 LW |
2053 | |
2054 | #ifndef CASTNEGFLOAT | |
463ee0b2 | 2055 | U32 |
79072805 | 2056 | cast_ulong(f) |
0f85fab0 LW |
2057 | double f; |
2058 | { | |
2059 | long along; | |
2060 | ||
27e2fb84 | 2061 | #if CASTFLAGS & 2 |
34de22dd LW |
2062 | # define BIGDOUBLE 2147483648.0 |
2063 | if (f >= BIGDOUBLE) | |
2064 | return (unsigned long)(f-(long)(f/BIGDOUBLE)*BIGDOUBLE)|0x80000000; | |
2065 | #endif | |
0f85fab0 LW |
2066 | if (f >= 0.0) |
2067 | return (unsigned long)f; | |
2068 | along = (long)f; | |
2069 | return (unsigned long)along; | |
2070 | } | |
ed6116ce LW |
2071 | # undef BIGDOUBLE |
2072 | #endif | |
2073 | ||
2074 | #ifndef CASTI32 | |
5d94fbed | 2075 | |
5d94fbed AD |
2076 | /* Unfortunately, on some systems the cast_uv() function doesn't |
2077 | work with the system-supplied definition of ULONG_MAX. The | |
2078 | comparison (f >= ULONG_MAX) always comes out true. It must be a | |
2079 | problem with the compiler constant folding. | |
2080 | ||
2081 | In any case, this workaround should be fine on any two's complement | |
2082 | system. If it's not, supply a '-DMY_ULONG_MAX=whatever' in your | |
2083 | ccflags. | |
2084 | --Andy Dougherty <doughera@lafcol.lafayette.edu> | |
2085 | */ | |
1eb770ff | 2086 | |
2087 | /* Code modified to prefer proper named type ranges, I32, IV, or UV, instead | |
2088 | of LONG_(MIN/MAX). | |
2089 | -- Kenneth Albanowski <kjahds@kjahds.com> | |
2090 | */ | |
2091 | ||
20cec16a | 2092 | #ifndef MY_UV_MAX |
2093 | # define MY_UV_MAX ((UV)IV_MAX * (UV)2 + (UV)1) | |
5d94fbed AD |
2094 | #endif |
2095 | ||
ed6116ce LW |
2096 | I32 |
2097 | cast_i32(f) | |
2098 | double f; | |
2099 | { | |
20cec16a | 2100 | if (f >= I32_MAX) |
2101 | return (I32) I32_MAX; | |
2102 | if (f <= I32_MIN) | |
2103 | return (I32) I32_MIN; | |
ed6116ce LW |
2104 | return (I32) f; |
2105 | } | |
a0d0e21e LW |
2106 | |
2107 | IV | |
2108 | cast_iv(f) | |
2109 | double f; | |
2110 | { | |
20cec16a | 2111 | if (f >= IV_MAX) |
2112 | return (IV) IV_MAX; | |
2113 | if (f <= IV_MIN) | |
2114 | return (IV) IV_MIN; | |
a0d0e21e LW |
2115 | return (IV) f; |
2116 | } | |
5d94fbed AD |
2117 | |
2118 | UV | |
2119 | cast_uv(f) | |
2120 | double f; | |
2121 | { | |
20cec16a | 2122 | if (f >= MY_UV_MAX) |
2123 | return (UV) MY_UV_MAX; | |
5d94fbed AD |
2124 | return (UV) f; |
2125 | } | |
2126 | ||
0f85fab0 | 2127 | #endif |
62b28dd9 | 2128 | |
fe14fcc3 | 2129 | #ifndef HAS_RENAME |
79072805 | 2130 | I32 |
62b28dd9 LW |
2131 | same_dirent(a,b) |
2132 | char *a; | |
2133 | char *b; | |
2134 | { | |
93a17b20 LW |
2135 | char *fa = strrchr(a,'/'); |
2136 | char *fb = strrchr(b,'/'); | |
62b28dd9 LW |
2137 | struct stat tmpstatbuf1; |
2138 | struct stat tmpstatbuf2; | |
2139 | #ifndef MAXPATHLEN | |
2140 | #define MAXPATHLEN 1024 | |
2141 | #endif | |
2142 | char tmpbuf[MAXPATHLEN+1]; | |
2143 | ||
2144 | if (fa) | |
2145 | fa++; | |
2146 | else | |
2147 | fa = a; | |
2148 | if (fb) | |
2149 | fb++; | |
2150 | else | |
2151 | fb = b; | |
2152 | if (strNE(a,b)) | |
2153 | return FALSE; | |
2154 | if (fa == a) | |
6eb13c3b | 2155 | strcpy(tmpbuf,"."); |
62b28dd9 LW |
2156 | else |
2157 | strncpy(tmpbuf, a, fa - a); | |
a0d0e21e | 2158 | if (Stat(tmpbuf, &tmpstatbuf1) < 0) |
62b28dd9 LW |
2159 | return FALSE; |
2160 | if (fb == b) | |
6eb13c3b | 2161 | strcpy(tmpbuf,"."); |
62b28dd9 LW |
2162 | else |
2163 | strncpy(tmpbuf, b, fb - b); | |
a0d0e21e | 2164 | if (Stat(tmpbuf, &tmpstatbuf2) < 0) |
62b28dd9 LW |
2165 | return FALSE; |
2166 | return tmpstatbuf1.st_dev == tmpstatbuf2.st_dev && | |
2167 | tmpstatbuf1.st_ino == tmpstatbuf2.st_ino; | |
2168 | } | |
fe14fcc3 LW |
2169 | #endif /* !HAS_RENAME */ |
2170 | ||
55497cff | 2171 | UV |
79072805 | 2172 | scan_oct(start, len, retlen) |
fe14fcc3 | 2173 | char *start; |
79072805 LW |
2174 | I32 len; |
2175 | I32 *retlen; | |
fe14fcc3 LW |
2176 | { |
2177 | register char *s = start; | |
55497cff | 2178 | register UV retval = 0; |
2179 | bool overflowed = FALSE; | |
fe14fcc3 | 2180 | |
748a9306 | 2181 | while (len && *s >= '0' && *s <= '7') { |
55497cff | 2182 | register UV n = retval << 3; |
2183 | if (!overflowed && (n >> 3) != retval) { | |
2184 | warn("Integer overflow in octal number"); | |
2185 | overflowed = TRUE; | |
2186 | } | |
2187 | retval = n | (*s++ - '0'); | |
748a9306 | 2188 | len--; |
fe14fcc3 | 2189 | } |
748a9306 LW |
2190 | if (dowarn && len && (*s == '8' || *s == '9')) |
2191 | warn("Illegal octal digit ignored"); | |
fe14fcc3 LW |
2192 | *retlen = s - start; |
2193 | return retval; | |
2194 | } | |
2195 | ||
2196 | unsigned long | |
79072805 | 2197 | scan_hex(start, len, retlen) |
fe14fcc3 | 2198 | char *start; |
79072805 LW |
2199 | I32 len; |
2200 | I32 *retlen; | |
fe14fcc3 LW |
2201 | { |
2202 | register char *s = start; | |
55497cff | 2203 | register UV retval = 0; |
2204 | bool overflowed = FALSE; | |
fe14fcc3 LW |
2205 | char *tmp; |
2206 | ||
93a17b20 | 2207 | while (len-- && *s && (tmp = strchr(hexdigit, *s))) { |
55497cff | 2208 | register UV n = retval << 4; |
2209 | if (!overflowed && (n >> 4) != retval) { | |
2210 | warn("Integer overflow in hex number"); | |
2211 | overflowed = TRUE; | |
2212 | } | |
2213 | retval = n | (tmp - hexdigit) & 15; | |
fe14fcc3 LW |
2214 | s++; |
2215 | } | |
2216 | *retlen = s - start; | |
2217 | return retval; | |
2218 | } | |
760ac839 LW |
2219 | |
2220 | ||
2221 | #ifdef HUGE_VAL | |
2222 | /* | |
2223 | * This hack is to force load of "huge" support from libm.a | |
2224 | * So it is in perl for (say) POSIX to use. | |
2225 | * Needed for SunOS with Sun's 'acc' for example. | |
2226 | */ | |
2227 | double | |
2228 | Perl_huge() | |
2229 | { | |
2230 | return HUGE_VAL; | |
2231 | } | |
2232 | #endif |