Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* util.c |
a687059c | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, 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" |
864dbfa3 | 16 | #define PERL_IN_UTIL_C |
8d063cd8 | 17 | #include "perl.h" |
62b28dd9 | 18 | |
e1dfb34b | 19 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
a687059c | 20 | #include <signal.h> |
62b28dd9 | 21 | #endif |
a687059c | 22 | |
36477c24 | 23 | #ifndef SIG_ERR |
24 | # define SIG_ERR ((Sighandler_t) -1) | |
25 | #endif | |
26 | ||
bd4080b3 | 27 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
85e6fe83 | 28 | #ifdef I_UNISTD |
8990e307 LW |
29 | # include <unistd.h> |
30 | #endif | |
31 | ||
a687059c LW |
32 | #ifdef I_VFORK |
33 | # include <vfork.h> | |
34 | #endif | |
35 | ||
94b6baf5 AD |
36 | /* Put this after #includes because fork and vfork prototypes may |
37 | conflict. | |
38 | */ | |
39 | #ifndef HAS_VFORK | |
40 | # define vfork fork | |
41 | #endif | |
42 | ||
fe14fcc3 LW |
43 | #ifdef I_FCNTL |
44 | # include <fcntl.h> | |
45 | #endif | |
46 | #ifdef I_SYS_FILE | |
47 | # include <sys/file.h> | |
48 | #endif | |
49 | ||
ff68c719 | 50 | #ifdef I_SYS_WAIT |
51 | # include <sys/wait.h> | |
52 | #endif | |
53 | ||
097ee67d JH |
54 | #ifdef I_LOCALE |
55 | # include <locale.h> | |
56 | #endif | |
57 | ||
8d063cd8 | 58 | #define FLUSH |
8d063cd8 | 59 | |
a0d0e21e | 60 | #ifdef LEAKTEST |
a0d0e21e | 61 | |
8c52afec IZ |
62 | long xcount[MAXXCOUNT]; |
63 | long lastxcount[MAXXCOUNT]; | |
64 | long xycount[MAXXCOUNT][MAXYCOUNT]; | |
65 | long lastxycount[MAXXCOUNT][MAXYCOUNT]; | |
66 | ||
a0d0e21e | 67 | #endif |
a863c7d1 | 68 | |
f2517201 | 69 | /* paranoid version of system's malloc() */ |
8d063cd8 | 70 | |
a687059c LW |
71 | /* NOTE: Do not call the next three routines directly. Use the macros |
72 | * in handy.h, so that we can easily redefine everything to do tracking of | |
73 | * allocated hunks back to the original New to track down any memory leaks. | |
20cec16a | 74 | * XXX This advice seems to be widely ignored :-( --AD August 1996. |
a687059c LW |
75 | */ |
76 | ||
bd4080b3 | 77 | Malloc_t |
4f63d024 | 78 | Perl_safesysmalloc(MEM_SIZE size) |
8d063cd8 | 79 | { |
bd4080b3 | 80 | Malloc_t ptr; |
55497cff | 81 | #ifdef HAS_64K_LIMIT |
62b28dd9 | 82 | if (size > 0xffff) { |
760ac839 | 83 | PerlIO_printf(PerlIO_stderr(), "Allocation too large: %lx\n", size) FLUSH; |
4f63d024 | 84 | WITH_THX(my_exit(1)); |
62b28dd9 | 85 | } |
55497cff | 86 | #endif /* HAS_64K_LIMIT */ |
34de22dd LW |
87 | #ifdef DEBUGGING |
88 | if ((long)size < 0) | |
4f63d024 | 89 | Perl_croak_nocontext("panic: malloc"); |
34de22dd | 90 | #endif |
6ad3d225 | 91 | ptr = PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */ |
79072805 | 92 | #if !(defined(I286) || defined(atarist)) |
3280af22 | 93 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%x: (%05d) malloc %ld bytes\n",ptr,PL_an++,(long)size)); |
79072805 | 94 | #else |
6b88bc9c | 95 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) malloc %ld bytes\n",ptr,PL_an++,(long)size)); |
8d063cd8 LW |
96 | #endif |
97 | if (ptr != Nullch) | |
98 | return ptr; | |
3280af22 | 99 | else if (PL_nomemok) |
7c0587c8 | 100 | return Nullch; |
8d063cd8 | 101 | else { |
22c35a8c | 102 | PerlIO_puts(PerlIO_stderr(),PL_no_mem) FLUSH; |
4f63d024 | 103 | WITH_THX(my_exit(1)); |
4e35701f | 104 | return Nullch; |
8d063cd8 LW |
105 | } |
106 | /*NOTREACHED*/ | |
107 | } | |
108 | ||
f2517201 | 109 | /* paranoid version of system's realloc() */ |
8d063cd8 | 110 | |
bd4080b3 | 111 | Malloc_t |
4f63d024 | 112 | Perl_safesysrealloc(Malloc_t where,MEM_SIZE size) |
8d063cd8 | 113 | { |
bd4080b3 | 114 | Malloc_t ptr; |
ecfc5424 | 115 | #if !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) |
6ad3d225 | 116 | Malloc_t PerlMem_realloc(); |
ecfc5424 | 117 | #endif /* !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) */ |
8d063cd8 | 118 | |
55497cff | 119 | #ifdef HAS_64K_LIMIT |
5f05dabc | 120 | if (size > 0xffff) { |
121 | PerlIO_printf(PerlIO_stderr(), | |
122 | "Reallocation too large: %lx\n", size) FLUSH; | |
4f63d024 | 123 | WITH_THX(my_exit(1)); |
5f05dabc | 124 | } |
55497cff | 125 | #endif /* HAS_64K_LIMIT */ |
7614df0c | 126 | if (!size) { |
f2517201 | 127 | safesysfree(where); |
7614df0c JD |
128 | return NULL; |
129 | } | |
130 | ||
378cc40b | 131 | if (!where) |
f2517201 | 132 | return safesysmalloc(size); |
34de22dd LW |
133 | #ifdef DEBUGGING |
134 | if ((long)size < 0) | |
4f63d024 | 135 | Perl_croak_nocontext("panic: realloc"); |
34de22dd | 136 | #endif |
7614df0c | 137 | ptr = PerlMem_realloc(where,size); |
79072805 LW |
138 | |
139 | #if !(defined(I286) || defined(atarist)) | |
140 | DEBUG_m( { | |
3280af22 NIS |
141 | PerlIO_printf(Perl_debug_log, "0x%x: (%05d) rfree\n",where,PL_an++); |
142 | PerlIO_printf(Perl_debug_log, "0x%x: (%05d) realloc %ld bytes\n",ptr,PL_an++,(long)size); | |
79072805 LW |
143 | } ) |
144 | #else | |
145 | DEBUG_m( { | |
6b88bc9c GS |
146 | PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) rfree\n",where,PL_an++); |
147 | PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) realloc %ld bytes\n",ptr,PL_an++,(long)size); | |
79072805 | 148 | } ) |
8d063cd8 | 149 | #endif |
79072805 | 150 | |
8d063cd8 LW |
151 | if (ptr != Nullch) |
152 | return ptr; | |
3280af22 | 153 | else if (PL_nomemok) |
7c0587c8 | 154 | return Nullch; |
8d063cd8 | 155 | else { |
22c35a8c | 156 | PerlIO_puts(PerlIO_stderr(),PL_no_mem) FLUSH; |
4f63d024 | 157 | WITH_THX(my_exit(1)); |
4e35701f | 158 | return Nullch; |
8d063cd8 LW |
159 | } |
160 | /*NOTREACHED*/ | |
161 | } | |
162 | ||
f2517201 | 163 | /* safe version of system's free() */ |
8d063cd8 | 164 | |
54310121 | 165 | Free_t |
4f63d024 | 166 | Perl_safesysfree(Malloc_t where) |
8d063cd8 | 167 | { |
79072805 | 168 | #if !(defined(I286) || defined(atarist)) |
3280af22 | 169 | DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%x: (%05d) free\n",(char *) where,PL_an++)); |
79072805 | 170 | #else |
6b88bc9c | 171 | DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) free\n",(char *) where,PL_an++)); |
8d063cd8 | 172 | #endif |
378cc40b | 173 | if (where) { |
de3bb511 | 174 | /*SUPPRESS 701*/ |
6ad3d225 | 175 | PerlMem_free(where); |
378cc40b | 176 | } |
8d063cd8 LW |
177 | } |
178 | ||
f2517201 | 179 | /* safe version of system's calloc() */ |
1050c9ca | 180 | |
bd4080b3 | 181 | Malloc_t |
4f63d024 | 182 | Perl_safesyscalloc(MEM_SIZE count, MEM_SIZE size) |
1050c9ca | 183 | { |
bd4080b3 | 184 | Malloc_t ptr; |
1050c9ca | 185 | |
55497cff | 186 | #ifdef HAS_64K_LIMIT |
5f05dabc | 187 | if (size * count > 0xffff) { |
188 | PerlIO_printf(PerlIO_stderr(), | |
189 | "Allocation too large: %lx\n", size * count) FLUSH; | |
4f63d024 | 190 | WITH_THX(my_exit(1)); |
5f05dabc | 191 | } |
55497cff | 192 | #endif /* HAS_64K_LIMIT */ |
1050c9ca | 193 | #ifdef DEBUGGING |
194 | if ((long)size < 0 || (long)count < 0) | |
4f63d024 | 195 | Perl_croak_nocontext("panic: calloc"); |
1050c9ca | 196 | #endif |
0b7c1c42 | 197 | size *= count; |
6ad3d225 | 198 | ptr = PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */ |
1050c9ca | 199 | #if !(defined(I286) || defined(atarist)) |
3280af22 | 200 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%x: (%05d) calloc %ld x %ld bytes\n",ptr,PL_an++,(long)count,(long)size)); |
1050c9ca | 201 | #else |
6b88bc9c | 202 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%lx: (%05d) calloc %ld x %ld bytes\n",ptr,PL_an++,(long)count,(long)size)); |
1050c9ca | 203 | #endif |
1050c9ca | 204 | if (ptr != Nullch) { |
205 | memset((void*)ptr, 0, size); | |
206 | return ptr; | |
207 | } | |
3280af22 | 208 | else if (PL_nomemok) |
1050c9ca | 209 | return Nullch; |
210 | else { | |
22c35a8c | 211 | PerlIO_puts(PerlIO_stderr(),PL_no_mem) FLUSH; |
4f63d024 | 212 | WITH_THX(my_exit(1)); |
4e35701f | 213 | return Nullch; |
1050c9ca | 214 | } |
215 | /*NOTREACHED*/ | |
216 | } | |
217 | ||
a687059c LW |
218 | #ifdef LEAKTEST |
219 | ||
8c52afec IZ |
220 | struct mem_test_strut { |
221 | union { | |
222 | long type; | |
223 | char c[2]; | |
224 | } u; | |
225 | long size; | |
226 | }; | |
227 | ||
228 | # define ALIGN sizeof(struct mem_test_strut) | |
229 | ||
230 | # define sizeof_chunk(ch) (((struct mem_test_strut*) (ch))->size) | |
231 | # define typeof_chunk(ch) \ | |
232 | (((struct mem_test_strut*) (ch))->u.c[0] + ((struct mem_test_strut*) (ch))->u.c[1]*100) | |
233 | # define set_typeof_chunk(ch,t) \ | |
234 | (((struct mem_test_strut*) (ch))->u.c[0] = t % 100, ((struct mem_test_strut*) (ch))->u.c[1] = t / 100) | |
235 | #define SIZE_TO_Y(size) ( (size) > MAXY_SIZE \ | |
236 | ? MAXYCOUNT - 1 \ | |
237 | : ( (size) > 40 \ | |
238 | ? ((size) - 1)/8 + 5 \ | |
239 | : ((size) - 1)/4)) | |
8d063cd8 | 240 | |
bd4080b3 | 241 | Malloc_t |
4f63d024 | 242 | Perl_safexmalloc(I32 x, MEM_SIZE size) |
8d063cd8 | 243 | { |
8c52afec | 244 | register char* where = (char*)safemalloc(size + ALIGN); |
8d063cd8 | 245 | |
8c52afec IZ |
246 | xcount[x] += size; |
247 | xycount[x][SIZE_TO_Y(size)]++; | |
248 | set_typeof_chunk(where, x); | |
249 | sizeof_chunk(where) = size; | |
250 | return (Malloc_t)(where + ALIGN); | |
8d063cd8 | 251 | } |
8d063cd8 | 252 | |
bd4080b3 | 253 | Malloc_t |
4f63d024 | 254 | Perl_safexrealloc(Malloc_t wh, MEM_SIZE size) |
a687059c | 255 | { |
8c52afec IZ |
256 | char *where = (char*)wh; |
257 | ||
258 | if (!wh) | |
259 | return safexmalloc(0,size); | |
260 | ||
261 | { | |
262 | MEM_SIZE old = sizeof_chunk(where - ALIGN); | |
263 | int t = typeof_chunk(where - ALIGN); | |
264 | register char* new = (char*)saferealloc(where - ALIGN, size + ALIGN); | |
265 | ||
266 | xycount[t][SIZE_TO_Y(old)]--; | |
267 | xycount[t][SIZE_TO_Y(size)]++; | |
268 | xcount[t] += size - old; | |
269 | sizeof_chunk(new) = size; | |
270 | return (Malloc_t)(new + ALIGN); | |
271 | } | |
a687059c LW |
272 | } |
273 | ||
274 | void | |
4f63d024 | 275 | Perl_safexfree(Malloc_t wh) |
a687059c | 276 | { |
79072805 | 277 | I32 x; |
8c52afec IZ |
278 | char *where = (char*)wh; |
279 | MEM_SIZE size; | |
280 | ||
a687059c LW |
281 | if (!where) |
282 | return; | |
283 | where -= ALIGN; | |
8c52afec | 284 | size = sizeof_chunk(where); |
a687059c | 285 | x = where[0] + 100 * where[1]; |
8c52afec IZ |
286 | xcount[x] -= size; |
287 | xycount[x][SIZE_TO_Y(size)]--; | |
a687059c LW |
288 | safefree(where); |
289 | } | |
290 | ||
bd4080b3 | 291 | Malloc_t |
4f63d024 | 292 | Perl_safexcalloc(I32 x,MEM_SIZE count, MEM_SIZE size) |
1050c9ca | 293 | { |
8c52afec IZ |
294 | register char * where = (char*)safexmalloc(x, size * count + ALIGN); |
295 | xcount[x] += size; | |
296 | xycount[x][SIZE_TO_Y(size)]++; | |
297 | memset((void*)(where + ALIGN), 0, size * count); | |
298 | set_typeof_chunk(where, x); | |
299 | sizeof_chunk(where) = size; | |
300 | return (Malloc_t)(where + ALIGN); | |
1050c9ca | 301 | } |
302 | ||
864dbfa3 | 303 | STATIC void |
cea2e8a9 | 304 | S_xstat(pTHX_ int flag) |
8d063cd8 | 305 | { |
8c52afec IZ |
306 | register I32 i, j, total = 0; |
307 | I32 subtot[MAXYCOUNT]; | |
8d063cd8 | 308 | |
8c52afec IZ |
309 | for (j = 0; j < MAXYCOUNT; j++) { |
310 | subtot[j] = 0; | |
311 | } | |
312 | ||
313 | PerlIO_printf(PerlIO_stderr(), " Id subtot 4 8 12 16 20 24 28 32 36 40 48 56 64 72 80 80+\n", total); | |
a687059c | 314 | for (i = 0; i < MAXXCOUNT; i++) { |
8c52afec IZ |
315 | total += xcount[i]; |
316 | for (j = 0; j < MAXYCOUNT; j++) { | |
317 | subtot[j] += xycount[i][j]; | |
318 | } | |
319 | if (flag == 0 | |
320 | ? xcount[i] /* Have something */ | |
321 | : (flag == 2 | |
322 | ? xcount[i] != lastxcount[i] /* Changed */ | |
323 | : xcount[i] > lastxcount[i])) { /* Growed */ | |
324 | PerlIO_printf(PerlIO_stderr(),"%2d %02d %7ld ", i / 100, i % 100, | |
325 | flag == 2 ? xcount[i] - lastxcount[i] : xcount[i]); | |
a687059c | 326 | lastxcount[i] = xcount[i]; |
8c52afec IZ |
327 | for (j = 0; j < MAXYCOUNT; j++) { |
328 | if ( flag == 0 | |
329 | ? xycount[i][j] /* Have something */ | |
330 | : (flag == 2 | |
331 | ? xycount[i][j] != lastxycount[i][j] /* Changed */ | |
332 | : xycount[i][j] > lastxycount[i][j])) { /* Growed */ | |
333 | PerlIO_printf(PerlIO_stderr(),"%3ld ", | |
334 | flag == 2 | |
335 | ? xycount[i][j] - lastxycount[i][j] | |
336 | : xycount[i][j]); | |
337 | lastxycount[i][j] = xycount[i][j]; | |
338 | } else { | |
339 | PerlIO_printf(PerlIO_stderr(), " . ", xycount[i][j]); | |
340 | } | |
341 | } | |
342 | PerlIO_printf(PerlIO_stderr(), "\n"); | |
343 | } | |
344 | } | |
345 | if (flag != 2) { | |
346 | PerlIO_printf(PerlIO_stderr(), "Total %7ld ", total); | |
347 | for (j = 0; j < MAXYCOUNT; j++) { | |
348 | if (subtot[j]) { | |
349 | PerlIO_printf(PerlIO_stderr(), "%3ld ", subtot[j]); | |
350 | } else { | |
351 | PerlIO_printf(PerlIO_stderr(), " . "); | |
352 | } | |
8d063cd8 | 353 | } |
8c52afec | 354 | PerlIO_printf(PerlIO_stderr(), "\n"); |
8d063cd8 | 355 | } |
8d063cd8 | 356 | } |
a687059c LW |
357 | |
358 | #endif /* LEAKTEST */ | |
8d063cd8 LW |
359 | |
360 | /* copy a string up to some (non-backslashed) delimiter, if any */ | |
361 | ||
362 | char * | |
864dbfa3 | 363 | Perl_delimcpy(pTHX_ register char *to, register char *toend, register char *from, register char *fromend, register int delim, I32 *retlen) |
8d063cd8 | 364 | { |
fc36a67e | 365 | register I32 tolen; |
366 | for (tolen = 0; from < fromend; from++, tolen++) { | |
378cc40b LW |
367 | if (*from == '\\') { |
368 | if (from[1] == delim) | |
369 | from++; | |
fc36a67e | 370 | else { |
371 | if (to < toend) | |
372 | *to++ = *from; | |
373 | tolen++; | |
374 | from++; | |
375 | } | |
378cc40b | 376 | } |
bedebaa5 | 377 | else if (*from == delim) |
8d063cd8 | 378 | break; |
fc36a67e | 379 | if (to < toend) |
380 | *to++ = *from; | |
8d063cd8 | 381 | } |
bedebaa5 CS |
382 | if (to < toend) |
383 | *to = '\0'; | |
fc36a67e | 384 | *retlen = tolen; |
8d063cd8 LW |
385 | return from; |
386 | } | |
387 | ||
388 | /* return ptr to little string in big string, NULL if not found */ | |
378cc40b | 389 | /* This routine was donated by Corey Satten. */ |
8d063cd8 LW |
390 | |
391 | char * | |
864dbfa3 | 392 | Perl_instr(pTHX_ register const char *big, register const char *little) |
378cc40b | 393 | { |
08105a92 | 394 | register const char *s, *x; |
79072805 | 395 | register I32 first; |
378cc40b | 396 | |
a687059c | 397 | if (!little) |
08105a92 | 398 | return (char*)big; |
a687059c | 399 | first = *little++; |
378cc40b | 400 | if (!first) |
08105a92 | 401 | return (char*)big; |
378cc40b LW |
402 | while (*big) { |
403 | if (*big++ != first) | |
404 | continue; | |
405 | for (x=big,s=little; *s; /**/ ) { | |
406 | if (!*x) | |
407 | return Nullch; | |
408 | if (*s++ != *x++) { | |
409 | s--; | |
410 | break; | |
411 | } | |
412 | } | |
413 | if (!*s) | |
08105a92 | 414 | return (char*)(big-1); |
378cc40b LW |
415 | } |
416 | return Nullch; | |
417 | } | |
8d063cd8 | 418 | |
a687059c LW |
419 | /* same as instr but allow embedded nulls */ |
420 | ||
421 | char * | |
864dbfa3 | 422 | Perl_ninstr(pTHX_ register const char *big, register const char *bigend, const char *little, const char *lend) |
8d063cd8 | 423 | { |
08105a92 | 424 | register const char *s, *x; |
79072805 | 425 | register I32 first = *little; |
08105a92 | 426 | register const char *littleend = lend; |
378cc40b | 427 | |
a0d0e21e | 428 | if (!first && little >= littleend) |
08105a92 | 429 | return (char*)big; |
de3bb511 LW |
430 | if (bigend - big < littleend - little) |
431 | return Nullch; | |
a687059c LW |
432 | bigend -= littleend - little++; |
433 | while (big <= bigend) { | |
434 | if (*big++ != first) | |
435 | continue; | |
436 | for (x=big,s=little; s < littleend; /**/ ) { | |
437 | if (*s++ != *x++) { | |
438 | s--; | |
439 | break; | |
440 | } | |
441 | } | |
442 | if (s >= littleend) | |
08105a92 | 443 | return (char*)(big-1); |
378cc40b | 444 | } |
a687059c LW |
445 | return Nullch; |
446 | } | |
447 | ||
448 | /* reverse of the above--find last substring */ | |
449 | ||
450 | char * | |
864dbfa3 | 451 | Perl_rninstr(pTHX_ register const char *big, const char *bigend, const char *little, const char *lend) |
a687059c | 452 | { |
08105a92 GS |
453 | register const char *bigbeg; |
454 | register const char *s, *x; | |
79072805 | 455 | register I32 first = *little; |
08105a92 | 456 | register const char *littleend = lend; |
a687059c | 457 | |
a0d0e21e | 458 | if (!first && little >= littleend) |
08105a92 | 459 | return (char*)bigend; |
a687059c LW |
460 | bigbeg = big; |
461 | big = bigend - (littleend - little++); | |
462 | while (big >= bigbeg) { | |
463 | if (*big-- != first) | |
464 | continue; | |
465 | for (x=big+2,s=little; s < littleend; /**/ ) { | |
466 | if (*s++ != *x++) { | |
467 | s--; | |
468 | break; | |
469 | } | |
470 | } | |
471 | if (s >= littleend) | |
08105a92 | 472 | return (char*)(big+1); |
378cc40b | 473 | } |
a687059c | 474 | return Nullch; |
378cc40b | 475 | } |
a687059c | 476 | |
bbce6d69 | 477 | /* |
478 | * Set up for a new ctype locale. | |
479 | */ | |
55497cff | 480 | void |
864dbfa3 | 481 | Perl_new_ctype(pTHX_ const char *newctype) |
ef7eada9 | 482 | { |
36477c24 | 483 | #ifdef USE_LOCALE_CTYPE |
484 | ||
bbce6d69 | 485 | int i; |
ef7eada9 | 486 | |
bbce6d69 | 487 | for (i = 0; i < 256; i++) { |
488 | if (isUPPER_LC(i)) | |
22c35a8c | 489 | PL_fold_locale[i] = toLOWER_LC(i); |
bbce6d69 | 490 | else if (isLOWER_LC(i)) |
22c35a8c | 491 | PL_fold_locale[i] = toUPPER_LC(i); |
bbce6d69 | 492 | else |
22c35a8c | 493 | PL_fold_locale[i] = i; |
bbce6d69 | 494 | } |
bbce6d69 | 495 | |
36477c24 | 496 | #endif /* USE_LOCALE_CTYPE */ |
497 | } | |
bbce6d69 | 498 | |
499 | /* | |
500 | * Set up for a new collation locale. | |
501 | */ | |
502 | void | |
864dbfa3 | 503 | Perl_new_collate(pTHX_ const char *newcoll) |
bbce6d69 | 504 | { |
36477c24 | 505 | #ifdef USE_LOCALE_COLLATE |
506 | ||
bbce6d69 | 507 | if (! newcoll) { |
3280af22 NIS |
508 | if (PL_collation_name) { |
509 | ++PL_collation_ix; | |
510 | Safefree(PL_collation_name); | |
511 | PL_collation_name = NULL; | |
512 | PL_collation_standard = TRUE; | |
513 | PL_collxfrm_base = 0; | |
514 | PL_collxfrm_mult = 2; | |
bbce6d69 | 515 | } |
516 | return; | |
517 | } | |
518 | ||
3280af22 NIS |
519 | if (! PL_collation_name || strNE(PL_collation_name, newcoll)) { |
520 | ++PL_collation_ix; | |
521 | Safefree(PL_collation_name); | |
522 | PL_collation_name = savepv(newcoll); | |
523 | PL_collation_standard = (strEQ(newcoll, "C") || strEQ(newcoll, "POSIX")); | |
bbce6d69 | 524 | |
bbce6d69 | 525 | { |
526 | /* 2: at most so many chars ('a', 'b'). */ | |
527 | /* 50: surely no system expands a char more. */ | |
528 | #define XFRMBUFSIZE (2 * 50) | |
529 | char xbuf[XFRMBUFSIZE]; | |
530 | Size_t fa = strxfrm(xbuf, "a", XFRMBUFSIZE); | |
531 | Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE); | |
532 | SSize_t mult = fb - fa; | |
533 | if (mult < 1) | |
cea2e8a9 | 534 | Perl_croak(aTHX_ "strxfrm() gets absurd"); |
3280af22 NIS |
535 | PL_collxfrm_base = (fa > mult) ? (fa - mult) : 0; |
536 | PL_collxfrm_mult = mult; | |
bbce6d69 | 537 | } |
bbce6d69 | 538 | } |
bbce6d69 | 539 | |
36477c24 | 540 | #endif /* USE_LOCALE_COLLATE */ |
541 | } | |
bbce6d69 | 542 | |
097ee67d JH |
543 | void |
544 | perl_set_numeric_radix(void) | |
545 | { | |
546 | #ifdef USE_LOCALE_NUMERIC | |
547 | # ifdef HAS_LOCALECONV | |
548 | struct lconv* lc; | |
549 | ||
550 | lc = localeconv(); | |
551 | if (lc && lc->decimal_point) | |
552 | /* We assume that decimal separator aka the radix | |
553 | * character is always a single character. If it | |
554 | * ever is a string, this needs to be rethunk. */ | |
555 | PL_numeric_radix = *lc->decimal_point; | |
556 | else | |
557 | PL_numeric_radix = 0; | |
558 | # endif /* HAS_LOCALECONV */ | |
559 | #else | |
560 | PL_numeric_radix = 0; | |
561 | #endif /* USE_LOCALE_NUMERIC */ | |
562 | } | |
563 | ||
bbce6d69 | 564 | /* |
565 | * Set up for a new numeric locale. | |
566 | */ | |
567 | void | |
864dbfa3 | 568 | Perl_new_numeric(pTHX_ const char *newnum) |
bbce6d69 | 569 | { |
36477c24 | 570 | #ifdef USE_LOCALE_NUMERIC |
571 | ||
bbce6d69 | 572 | if (! newnum) { |
3280af22 NIS |
573 | if (PL_numeric_name) { |
574 | Safefree(PL_numeric_name); | |
575 | PL_numeric_name = NULL; | |
576 | PL_numeric_standard = TRUE; | |
577 | PL_numeric_local = TRUE; | |
bbce6d69 | 578 | } |
579 | return; | |
580 | } | |
581 | ||
3280af22 NIS |
582 | if (! PL_numeric_name || strNE(PL_numeric_name, newnum)) { |
583 | Safefree(PL_numeric_name); | |
584 | PL_numeric_name = savepv(newnum); | |
585 | PL_numeric_standard = (strEQ(newnum, "C") || strEQ(newnum, "POSIX")); | |
586 | PL_numeric_local = TRUE; | |
097ee67d | 587 | perl_set_numeric_radix(); |
bbce6d69 | 588 | } |
36477c24 | 589 | |
590 | #endif /* USE_LOCALE_NUMERIC */ | |
bbce6d69 | 591 | } |
592 | ||
593 | void | |
864dbfa3 | 594 | Perl_set_numeric_standard(pTHX) |
bbce6d69 | 595 | { |
5f05dabc | 596 | #ifdef USE_LOCALE_NUMERIC |
597 | ||
3280af22 | 598 | if (! PL_numeric_standard) { |
bbce6d69 | 599 | setlocale(LC_NUMERIC, "C"); |
3280af22 NIS |
600 | PL_numeric_standard = TRUE; |
601 | PL_numeric_local = FALSE; | |
bbce6d69 | 602 | } |
5f05dabc | 603 | |
604 | #endif /* USE_LOCALE_NUMERIC */ | |
bbce6d69 | 605 | } |
606 | ||
607 | void | |
864dbfa3 | 608 | Perl_set_numeric_local(pTHX) |
bbce6d69 | 609 | { |
5f05dabc | 610 | #ifdef USE_LOCALE_NUMERIC |
611 | ||
3280af22 NIS |
612 | if (! PL_numeric_local) { |
613 | setlocale(LC_NUMERIC, PL_numeric_name); | |
614 | PL_numeric_standard = FALSE; | |
615 | PL_numeric_local = TRUE; | |
097ee67d | 616 | perl_set_numeric_radix(); |
bbce6d69 | 617 | } |
bbce6d69 | 618 | |
36477c24 | 619 | #endif /* USE_LOCALE_NUMERIC */ |
5f05dabc | 620 | } |
36477c24 | 621 | |
36477c24 | 622 | /* |
623 | * Initialize locale awareness. | |
624 | */ | |
f0c5b223 | 625 | int |
864dbfa3 | 626 | Perl_init_i18nl10n(pTHX_ int printwarn) |
f0c5b223 TB |
627 | { |
628 | int ok = 1; | |
629 | /* returns | |
630 | * 1 = set ok or not applicable, | |
631 | * 0 = fallback to C locale, | |
632 | * -1 = fallback to C locale failed | |
633 | */ | |
bbce6d69 | 634 | |
36477c24 | 635 | #ifdef USE_LOCALE |
bbce6d69 | 636 | |
36477c24 | 637 | #ifdef USE_LOCALE_CTYPE |
bbce6d69 | 638 | char *curctype = NULL; |
36477c24 | 639 | #endif /* USE_LOCALE_CTYPE */ |
640 | #ifdef USE_LOCALE_COLLATE | |
bbce6d69 | 641 | char *curcoll = NULL; |
36477c24 | 642 | #endif /* USE_LOCALE_COLLATE */ |
643 | #ifdef USE_LOCALE_NUMERIC | |
bbce6d69 | 644 | char *curnum = NULL; |
36477c24 | 645 | #endif /* USE_LOCALE_NUMERIC */ |
3aeabbed JH |
646 | #ifdef __GLIBC__ |
647 | char *language = PerlEnv_getenv("LANGUAGE"); | |
648 | #endif | |
76e3520e GS |
649 | char *lc_all = PerlEnv_getenv("LC_ALL"); |
650 | char *lang = PerlEnv_getenv("LANG"); | |
bbce6d69 | 651 | bool setlocale_failure = FALSE; |
f0c5b223 | 652 | |
02b32252 CS |
653 | #ifdef LOCALE_ENVIRON_REQUIRED |
654 | ||
655 | /* | |
656 | * Ultrix setlocale(..., "") fails if there are no environment | |
657 | * variables from which to get a locale name. | |
658 | */ | |
659 | ||
660 | bool done = FALSE; | |
661 | ||
662 | #ifdef LC_ALL | |
663 | if (lang) { | |
664 | if (setlocale(LC_ALL, "")) | |
665 | done = TRUE; | |
666 | else | |
667 | setlocale_failure = TRUE; | |
668 | } | |
0644c9cb | 669 | if (!setlocale_failure) { |
02b32252 | 670 | #ifdef USE_LOCALE_CTYPE |
0644c9cb IS |
671 | if (! (curctype = |
672 | setlocale(LC_CTYPE, | |
673 | (!done && (lang || PerlEnv_getenv("LC_CTYPE"))) | |
02b32252 CS |
674 | ? "" : Nullch))) |
675 | setlocale_failure = TRUE; | |
676 | #endif /* USE_LOCALE_CTYPE */ | |
677 | #ifdef USE_LOCALE_COLLATE | |
0644c9cb IS |
678 | if (! (curcoll = |
679 | setlocale(LC_COLLATE, | |
680 | (!done && (lang || PerlEnv_getenv("LC_COLLATE"))) | |
02b32252 CS |
681 | ? "" : Nullch))) |
682 | setlocale_failure = TRUE; | |
683 | #endif /* USE_LOCALE_COLLATE */ | |
684 | #ifdef USE_LOCALE_NUMERIC | |
0644c9cb IS |
685 | if (! (curnum = |
686 | setlocale(LC_NUMERIC, | |
687 | (!done && (lang || PerlEnv_getenv("LC_NUMERIC"))) | |
02b32252 CS |
688 | ? "" : Nullch))) |
689 | setlocale_failure = TRUE; | |
690 | #endif /* USE_LOCALE_NUMERIC */ | |
691 | } | |
692 | ||
0644c9cb | 693 | #endif /* LC_ALL */ |
02b32252 | 694 | |
0644c9cb | 695 | #endif /* !LOCALE_ENVIRON_REQUIRED */ |
5f05dabc | 696 | |
0644c9cb | 697 | #ifdef LC_ALL |
bbce6d69 | 698 | if (! setlocale(LC_ALL, "")) |
699 | setlocale_failure = TRUE; | |
0644c9cb | 700 | #endif /* LC_ALL */ |
bbce6d69 | 701 | |
0644c9cb | 702 | if (!setlocale_failure) { |
36477c24 | 703 | #ifdef USE_LOCALE_CTYPE |
0644c9cb IS |
704 | if (! (curctype = setlocale(LC_CTYPE, ""))) |
705 | setlocale_failure = TRUE; | |
36477c24 | 706 | #endif /* USE_LOCALE_CTYPE */ |
707 | #ifdef USE_LOCALE_COLLATE | |
0644c9cb IS |
708 | if (! (curcoll = setlocale(LC_COLLATE, ""))) |
709 | setlocale_failure = TRUE; | |
36477c24 | 710 | #endif /* USE_LOCALE_COLLATE */ |
711 | #ifdef USE_LOCALE_NUMERIC | |
0644c9cb IS |
712 | if (! (curnum = setlocale(LC_NUMERIC, ""))) |
713 | setlocale_failure = TRUE; | |
36477c24 | 714 | #endif /* USE_LOCALE_NUMERIC */ |
0644c9cb | 715 | } |
02b32252 | 716 | |
5f05dabc | 717 | if (setlocale_failure) { |
718 | char *p; | |
719 | bool locwarn = (printwarn > 1 || | |
720 | printwarn && | |
76e3520e | 721 | (!(p = PerlEnv_getenv("PERL_BADLANG")) || atoi(p))); |
20cec16a | 722 | |
5f05dabc | 723 | if (locwarn) { |
724 | #ifdef LC_ALL | |
725 | ||
726 | PerlIO_printf(PerlIO_stderr(), | |
727 | "perl: warning: Setting locale failed.\n"); | |
728 | ||
729 | #else /* !LC_ALL */ | |
730 | ||
ef7eada9 | 731 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 732 | "perl: warning: Setting locale failed for the categories:\n\t"); |
36477c24 | 733 | #ifdef USE_LOCALE_CTYPE |
bbce6d69 | 734 | if (! curctype) |
5f05dabc | 735 | PerlIO_printf(PerlIO_stderr(), "LC_CTYPE "); |
36477c24 | 736 | #endif /* USE_LOCALE_CTYPE */ |
737 | #ifdef USE_LOCALE_COLLATE | |
bbce6d69 | 738 | if (! curcoll) |
5f05dabc | 739 | PerlIO_printf(PerlIO_stderr(), "LC_COLLATE "); |
36477c24 | 740 | #endif /* USE_LOCALE_COLLATE */ |
741 | #ifdef USE_LOCALE_NUMERIC | |
bbce6d69 | 742 | if (! curnum) |
5f05dabc | 743 | PerlIO_printf(PerlIO_stderr(), "LC_NUMERIC "); |
36477c24 | 744 | #endif /* USE_LOCALE_NUMERIC */ |
bbce6d69 | 745 | PerlIO_printf(PerlIO_stderr(), "\n"); |
746 | ||
5f05dabc | 747 | #endif /* LC_ALL */ |
748 | ||
760ac839 | 749 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 750 | "perl: warning: Please check that your locale settings:\n"); |
ef7eada9 | 751 | |
3aeabbed JH |
752 | #ifdef __GLIBC__ |
753 | PerlIO_printf(PerlIO_stderr(), | |
754 | "\tLANGUAGE = %c%s%c,\n", | |
755 | language ? '"' : '(', | |
756 | language ? language : "unset", | |
757 | language ? '"' : ')'); | |
758 | #endif | |
759 | ||
ef7eada9 | 760 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 761 | "\tLC_ALL = %c%s%c,\n", |
762 | lc_all ? '"' : '(', | |
763 | lc_all ? lc_all : "unset", | |
764 | lc_all ? '"' : ')'); | |
5f05dabc | 765 | |
766 | { | |
767 | char **e; | |
768 | for (e = environ; *e; e++) { | |
769 | if (strnEQ(*e, "LC_", 3) | |
770 | && strnNE(*e, "LC_ALL=", 7) | |
771 | && (p = strchr(*e, '='))) | |
772 | PerlIO_printf(PerlIO_stderr(), "\t%.*s = \"%s\",\n", | |
fb73857a | 773 | (int)(p - *e), *e, p + 1); |
5f05dabc | 774 | } |
775 | } | |
776 | ||
ef7eada9 | 777 | PerlIO_printf(PerlIO_stderr(), |
bbce6d69 | 778 | "\tLANG = %c%s%c\n", |
5f05dabc | 779 | lang ? '"' : '(', |
bbce6d69 | 780 | lang ? lang : "unset", |
781 | lang ? '"' : ')'); | |
ef7eada9 | 782 | |
bbce6d69 | 783 | PerlIO_printf(PerlIO_stderr(), |
784 | " are supported and installed on your system.\n"); | |
5f05dabc | 785 | } |
ef7eada9 | 786 | |
5f05dabc | 787 | #ifdef LC_ALL |
788 | ||
789 | if (setlocale(LC_ALL, "C")) { | |
790 | if (locwarn) | |
791 | PerlIO_printf(PerlIO_stderr(), | |
792 | "perl: warning: Falling back to the standard locale (\"C\").\n"); | |
bbce6d69 | 793 | ok = 0; |
ef7eada9 | 794 | } |
5f05dabc | 795 | else { |
796 | if (locwarn) | |
797 | PerlIO_printf(PerlIO_stderr(), | |
798 | "perl: warning: Failed to fall back to the standard locale (\"C\").\n"); | |
799 | ok = -1; | |
800 | } | |
bbce6d69 | 801 | |
5f05dabc | 802 | #else /* ! LC_ALL */ |
803 | ||
804 | if (0 | |
36477c24 | 805 | #ifdef USE_LOCALE_CTYPE |
5f05dabc | 806 | || !(curctype || setlocale(LC_CTYPE, "C")) |
36477c24 | 807 | #endif /* USE_LOCALE_CTYPE */ |
808 | #ifdef USE_LOCALE_COLLATE | |
5f05dabc | 809 | || !(curcoll || setlocale(LC_COLLATE, "C")) |
36477c24 | 810 | #endif /* USE_LOCALE_COLLATE */ |
811 | #ifdef USE_LOCALE_NUMERIC | |
5f05dabc | 812 | || !(curnum || setlocale(LC_NUMERIC, "C")) |
36477c24 | 813 | #endif /* USE_LOCALE_NUMERIC */ |
5f05dabc | 814 | ) |
815 | { | |
816 | if (locwarn) | |
bbce6d69 | 817 | PerlIO_printf(PerlIO_stderr(), |
5f05dabc | 818 | "perl: warning: Cannot fall back to the standard locale (\"C\").\n"); |
819 | ok = -1; | |
bbce6d69 | 820 | } |
5f05dabc | 821 | |
bbce6d69 | 822 | #endif /* ! LC_ALL */ |
5f05dabc | 823 | |
824 | #ifdef USE_LOCALE_CTYPE | |
825 | curctype = setlocale(LC_CTYPE, Nullch); | |
826 | #endif /* USE_LOCALE_CTYPE */ | |
827 | #ifdef USE_LOCALE_COLLATE | |
828 | curcoll = setlocale(LC_COLLATE, Nullch); | |
829 | #endif /* USE_LOCALE_COLLATE */ | |
830 | #ifdef USE_LOCALE_NUMERIC | |
831 | curnum = setlocale(LC_NUMERIC, Nullch); | |
832 | #endif /* USE_LOCALE_NUMERIC */ | |
ef7eada9 JH |
833 | } |
834 | ||
36477c24 | 835 | #ifdef USE_LOCALE_CTYPE |
864dbfa3 | 836 | new_ctype(curctype); |
36477c24 | 837 | #endif /* USE_LOCALE_CTYPE */ |
bbce6d69 | 838 | |
36477c24 | 839 | #ifdef USE_LOCALE_COLLATE |
864dbfa3 | 840 | new_collate(curcoll); |
36477c24 | 841 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 842 | |
36477c24 | 843 | #ifdef USE_LOCALE_NUMERIC |
864dbfa3 | 844 | new_numeric(curnum); |
36477c24 | 845 | #endif /* USE_LOCALE_NUMERIC */ |
ef7eada9 | 846 | |
36477c24 | 847 | #endif /* USE_LOCALE */ |
ef7eada9 | 848 | |
f0c5b223 TB |
849 | return ok; |
850 | } | |
851 | ||
bbce6d69 | 852 | /* Backwards compatibility. */ |
853 | int | |
864dbfa3 | 854 | Perl_init_i18nl14n(pTHX_ int printwarn) |
bbce6d69 | 855 | { |
864dbfa3 | 856 | return init_i18nl10n(printwarn); |
bbce6d69 | 857 | } |
ef7eada9 | 858 | |
36477c24 | 859 | #ifdef USE_LOCALE_COLLATE |
ef7eada9 | 860 | |
bbce6d69 | 861 | /* |
862 | * mem_collxfrm() is a bit like strxfrm() but with two important | |
863 | * differences. First, it handles embedded NULs. Second, it allocates | |
864 | * a bit more memory than needed for the transformed data itself. | |
865 | * The real transformed data begins at offset sizeof(collationix). | |
866 | * Please see sv_collxfrm() to see how this is used. | |
867 | */ | |
868 | char * | |
864dbfa3 | 869 | Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen) |
bbce6d69 | 870 | { |
871 | char *xbuf; | |
76e3520e | 872 | STRLEN xAlloc, xin, xout; /* xalloc is a reserved word in VC */ |
bbce6d69 | 873 | |
874 | /* the first sizeof(collationix) bytes are used by sv_collxfrm(). */ | |
875 | /* the +1 is for the terminating NUL. */ | |
876 | ||
3280af22 | 877 | xAlloc = sizeof(PL_collation_ix) + PL_collxfrm_base + (PL_collxfrm_mult * len) + 1; |
76e3520e | 878 | New(171, xbuf, xAlloc, char); |
bbce6d69 | 879 | if (! xbuf) |
880 | goto bad; | |
881 | ||
3280af22 NIS |
882 | *(U32*)xbuf = PL_collation_ix; |
883 | xout = sizeof(PL_collation_ix); | |
bbce6d69 | 884 | for (xin = 0; xin < len; ) { |
885 | SSize_t xused; | |
886 | ||
887 | for (;;) { | |
76e3520e | 888 | xused = strxfrm(xbuf + xout, s + xin, xAlloc - xout); |
bbce6d69 | 889 | if (xused == -1) |
890 | goto bad; | |
76e3520e | 891 | if (xused < xAlloc - xout) |
bbce6d69 | 892 | break; |
76e3520e GS |
893 | xAlloc = (2 * xAlloc) + 1; |
894 | Renew(xbuf, xAlloc, char); | |
bbce6d69 | 895 | if (! xbuf) |
896 | goto bad; | |
897 | } | |
ef7eada9 | 898 | |
bbce6d69 | 899 | xin += strlen(s + xin) + 1; |
900 | xout += xused; | |
901 | ||
902 | /* Embedded NULs are understood but silently skipped | |
903 | * because they make no sense in locale collation. */ | |
904 | } | |
ef7eada9 | 905 | |
bbce6d69 | 906 | xbuf[xout] = '\0'; |
3280af22 | 907 | *xlen = xout - sizeof(PL_collation_ix); |
bbce6d69 | 908 | return xbuf; |
909 | ||
910 | bad: | |
911 | Safefree(xbuf); | |
912 | *xlen = 0; | |
913 | return NULL; | |
ef7eada9 JH |
914 | } |
915 | ||
36477c24 | 916 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 917 | |
cf93c79d IZ |
918 | #define FBM_TABLE_OFFSET 2 /* Number of bytes between EOS and table*/ |
919 | ||
920 | /* As a space optimization, we do not compile tables for strings of length | |
921 | 0 and 1, and for strings of length 2 unless FBMcf_TAIL. These are | |
922 | special-cased in fbm_instr(). | |
923 | ||
924 | If FBMcf_TAIL, the table is created as if the string has a trailing \n. */ | |
925 | ||
378cc40b | 926 | void |
864dbfa3 | 927 | Perl_fbm_compile(pTHX_ SV *sv, U32 flags /* not used yet */) |
378cc40b | 928 | { |
942e002e GS |
929 | register U8 *s; |
930 | register U8 *table; | |
79072805 | 931 | register U32 i; |
0b71040e | 932 | STRLEN len; |
79072805 LW |
933 | I32 rarest = 0; |
934 | U32 frequency = 256; | |
935 | ||
cf93c79d IZ |
936 | if (flags & FBMcf_TAIL) |
937 | sv_catpvn(sv, "\n", 1); /* Taken into account in fbm_instr() */ | |
942e002e | 938 | s = (U8*)SvPV_force(sv, len); |
07f14f54 | 939 | (void)SvUPGRADE(sv, SVt_PVBM); |
cf93c79d IZ |
940 | if (len == 0) /* TAIL might be on on a zero-length string. */ |
941 | return; | |
02128f11 | 942 | if (len > 2) { |
cf93c79d IZ |
943 | I32 mlen = len; |
944 | unsigned char *sb; | |
945 | ||
946 | if (mlen > 255) | |
947 | mlen = 255; | |
948 | Sv_Grow(sv,len + 256 + FBM_TABLE_OFFSET); | |
949 | table = (unsigned char*)(SvPVX(sv) + len + FBM_TABLE_OFFSET); | |
950 | s = table - 1 - FBM_TABLE_OFFSET; /* Last char */ | |
02128f11 | 951 | for (i = 0; i < 256; i++) { |
cf93c79d | 952 | table[i] = mlen; |
02128f11 | 953 | } |
cf93c79d | 954 | table[-1] = flags; /* Not used yet */ |
02128f11 | 955 | i = 0; |
cf93c79d IZ |
956 | sb = s - mlen; |
957 | while (s >= sb) { | |
958 | if (table[*s] == mlen) | |
959 | table[*s] = i; | |
960 | s--, i++; | |
961 | } | |
378cc40b | 962 | } |
bbce6d69 | 963 | sv_magic(sv, Nullsv, 'B', Nullch, 0); /* deep magic */ |
79072805 | 964 | SvVALID_on(sv); |
378cc40b | 965 | |
463ee0b2 | 966 | s = (unsigned char*)(SvPVX(sv)); /* deeper magic */ |
bbce6d69 | 967 | for (i = 0; i < len; i++) { |
22c35a8c | 968 | if (PL_freq[s[i]] < frequency) { |
bbce6d69 | 969 | rarest = i; |
22c35a8c | 970 | frequency = PL_freq[s[i]]; |
378cc40b LW |
971 | } |
972 | } | |
79072805 LW |
973 | BmRARE(sv) = s[rarest]; |
974 | BmPREVIOUS(sv) = rarest; | |
cf93c79d IZ |
975 | BmUSEFUL(sv) = 100; /* Initial value */ |
976 | if (flags & FBMcf_TAIL) | |
977 | SvTAIL_on(sv); | |
760ac839 | 978 | DEBUG_r(PerlIO_printf(Perl_debug_log, "rarest char %c at %d\n",BmRARE(sv),BmPREVIOUS(sv))); |
378cc40b LW |
979 | } |
980 | ||
cf93c79d IZ |
981 | /* If SvTAIL(littlestr), it has a fake '\n' at end. */ |
982 | /* If SvTAIL is actually due to \Z or \z, this gives false positives | |
983 | if multiline */ | |
984 | ||
378cc40b | 985 | char * |
864dbfa3 | 986 | Perl_fbm_instr(pTHX_ unsigned char *big, register unsigned char *bigend, SV *littlestr, U32 flags) |
378cc40b | 987 | { |
a687059c | 988 | register unsigned char *s; |
cf93c79d IZ |
989 | STRLEN l; |
990 | register unsigned char *little = (unsigned char *)SvPV(littlestr,l); | |
991 | register STRLEN littlelen = l; | |
992 | register I32 multiline = flags & FBMrf_MULTILINE; | |
993 | ||
994 | if (bigend - big < littlelen) { | |
995 | check_tail: | |
996 | if ( SvTAIL(littlestr) | |
997 | && (bigend - big == littlelen - 1) | |
998 | && (littlelen == 1 | |
999 | || *big == *little && memEQ(big, little, littlelen - 1))) | |
1000 | return (char*)big; | |
1001 | return Nullch; | |
1002 | } | |
378cc40b | 1003 | |
cf93c79d IZ |
1004 | if (littlelen <= 2) { /* Special-cased */ |
1005 | register char c; | |
1006 | ||
1007 | if (littlelen == 1) { | |
1008 | if (SvTAIL(littlestr) && !multiline) { /* Anchor only! */ | |
1009 | /* Know that bigend != big. */ | |
1010 | if (bigend[-1] == '\n') | |
1011 | return (char *)(bigend - 1); | |
1012 | return (char *) bigend; | |
1013 | } | |
1014 | s = big; | |
1015 | while (s < bigend) { | |
1016 | if (*s == *little) | |
1017 | return (char *)s; | |
1018 | s++; | |
1019 | } | |
1020 | if (SvTAIL(littlestr)) | |
1021 | return (char *) bigend; | |
1022 | return Nullch; | |
1023 | } | |
1024 | if (!littlelen) | |
1025 | return (char*)big; /* Cannot be SvTAIL! */ | |
1026 | ||
1027 | /* littlelen is 2 */ | |
1028 | if (SvTAIL(littlestr) && !multiline) { | |
1029 | if (bigend[-1] == '\n' && bigend[-2] == *little) | |
1030 | return (char*)bigend - 2; | |
1031 | if (bigend[-1] == *little) | |
1032 | return (char*)bigend - 1; | |
1033 | return Nullch; | |
1034 | } | |
1035 | { | |
1036 | /* This should be better than FBM if c1 == c2, and almost | |
1037 | as good otherwise: maybe better since we do less indirection. | |
1038 | And we save a lot of memory by caching no table. */ | |
1039 | register unsigned char c1 = little[0]; | |
1040 | register unsigned char c2 = little[1]; | |
1041 | ||
1042 | s = big + 1; | |
1043 | bigend--; | |
1044 | if (c1 != c2) { | |
1045 | while (s <= bigend) { | |
1046 | if (s[0] == c2) { | |
1047 | if (s[-1] == c1) | |
1048 | return (char*)s - 1; | |
1049 | s += 2; | |
1050 | continue; | |
3fe6f2dc | 1051 | } |
cf93c79d IZ |
1052 | next_chars: |
1053 | if (s[0] == c1) { | |
1054 | if (s == bigend) | |
1055 | goto check_1char_anchor; | |
1056 | if (s[1] == c2) | |
1057 | return (char*)s; | |
1058 | else { | |
1059 | s++; | |
1060 | goto next_chars; | |
1061 | } | |
1062 | } | |
1063 | else | |
1064 | s += 2; | |
1065 | } | |
1066 | goto check_1char_anchor; | |
1067 | } | |
1068 | /* Now c1 == c2 */ | |
1069 | while (s <= bigend) { | |
1070 | if (s[0] == c1) { | |
1071 | if (s[-1] == c1) | |
1072 | return (char*)s - 1; | |
1073 | if (s == bigend) | |
1074 | goto check_1char_anchor; | |
1075 | if (s[1] == c1) | |
1076 | return (char*)s; | |
1077 | s += 3; | |
02128f11 | 1078 | } |
c277df42 | 1079 | else |
cf93c79d | 1080 | s += 2; |
c277df42 | 1081 | } |
c277df42 | 1082 | } |
cf93c79d IZ |
1083 | check_1char_anchor: /* One char and anchor! */ |
1084 | if (SvTAIL(littlestr) && (*bigend == *little)) | |
1085 | return (char *)bigend; /* bigend is already decremented. */ | |
1086 | return Nullch; | |
d48672a2 | 1087 | } |
cf93c79d | 1088 | if (SvTAIL(littlestr) && !multiline) { /* tail anchored? */ |
bbce6d69 | 1089 | s = bigend - littlelen; |
cf93c79d | 1090 | if (s >= big |
02128f11 | 1091 | && bigend[-1] == '\n' |
cf93c79d IZ |
1092 | && *s == *little |
1093 | /* Automatically of length > 2 */ | |
1094 | && memEQ((char*)s + 1, (char*)little + 1, littlelen - 2)) | |
bbce6d69 | 1095 | return (char*)s; /* how sweet it is */ |
cf93c79d IZ |
1096 | if (s[1] == *little && memEQ((char*)s + 2,(char*)little + 1, |
1097 | littlelen - 2)) | |
1098 | return (char*)s + 1; /* how sweet it is */ | |
02128f11 IZ |
1099 | return Nullch; |
1100 | } | |
cf93c79d IZ |
1101 | if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) { |
1102 | char *b = ninstr((char*)big,(char*)bigend, | |
1103 | (char*)little, (char*)little + littlelen); | |
1104 | ||
1105 | if (!b && SvTAIL(littlestr)) { /* Automatically multiline! */ | |
1106 | /* Chop \n from littlestr: */ | |
1107 | s = bigend - littlelen + 1; | |
1108 | if (*s == *little && memEQ((char*)s + 1, (char*)little + 1, | |
1109 | littlelen - 2)) | |
3fe6f2dc | 1110 | return (char*)s; |
cf93c79d | 1111 | return Nullch; |
a687059c | 1112 | } |
cf93c79d | 1113 | return b; |
a687059c | 1114 | } |
cf93c79d IZ |
1115 | |
1116 | { /* Do actual FBM. */ | |
1117 | register unsigned char *table = little + littlelen + FBM_TABLE_OFFSET; | |
1118 | register unsigned char *oldlittle; | |
1119 | ||
1120 | if (littlelen > bigend - big) | |
1121 | return Nullch; | |
1122 | --littlelen; /* Last char found by table lookup */ | |
1123 | ||
1124 | s = big + littlelen; | |
1125 | little += littlelen; /* last char */ | |
1126 | oldlittle = little; | |
1127 | if (s < bigend) { | |
1128 | register I32 tmp; | |
1129 | ||
1130 | top2: | |
1131 | /*SUPPRESS 560*/ | |
1132 | if (tmp = table[*s]) { | |
62b28dd9 | 1133 | #ifdef POINTERRIGOR |
cf93c79d IZ |
1134 | if (bigend - s > tmp) { |
1135 | s += tmp; | |
1136 | goto top2; | |
1137 | } | |
bbce6d69 | 1138 | s += tmp; |
62b28dd9 | 1139 | #else |
cf93c79d | 1140 | if ((s += tmp) < bigend) |
62b28dd9 | 1141 | goto top2; |
cf93c79d IZ |
1142 | #endif |
1143 | goto check_end; | |
1144 | } | |
1145 | else { /* less expensive than calling strncmp() */ | |
1146 | register unsigned char *olds = s; | |
1147 | ||
1148 | tmp = littlelen; | |
1149 | ||
1150 | while (tmp--) { | |
1151 | if (*--s == *--little) | |
1152 | continue; | |
1153 | differ: | |
1154 | s = olds + 1; /* here we pay the price for failure */ | |
1155 | little = oldlittle; | |
1156 | if (s < bigend) /* fake up continue to outer loop */ | |
1157 | goto top2; | |
1158 | goto check_end; | |
1159 | } | |
1160 | return (char *)s; | |
a687059c | 1161 | } |
378cc40b | 1162 | } |
cf93c79d IZ |
1163 | check_end: |
1164 | if ( s == bigend && (table[-1] & FBMcf_TAIL) | |
1165 | && memEQ(bigend - littlelen, oldlittle - littlelen, littlelen) ) | |
1166 | return (char*)bigend - littlelen; | |
1167 | return Nullch; | |
378cc40b | 1168 | } |
378cc40b LW |
1169 | } |
1170 | ||
c277df42 IZ |
1171 | /* start_shift, end_shift are positive quantities which give offsets |
1172 | of ends of some substring of bigstr. | |
1173 | If `last' we want the last occurence. | |
1174 | old_posp is the way of communication between consequent calls if | |
1175 | the next call needs to find the . | |
1176 | The initial *old_posp should be -1. | |
cf93c79d IZ |
1177 | |
1178 | Note that we take into account SvTAIL, so one can get extra | |
1179 | optimizations if _ALL flag is set. | |
c277df42 IZ |
1180 | */ |
1181 | ||
cf93c79d IZ |
1182 | /* If SvTAIL is actually due to \Z or \z, this gives false positives |
1183 | if PL_multiline. In fact if !PL_multiline the autoritative answer | |
1184 | is not supported yet. */ | |
1185 | ||
378cc40b | 1186 | char * |
864dbfa3 | 1187 | Perl_screaminstr(pTHX_ SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift, I32 *old_posp, I32 last) |
378cc40b | 1188 | { |
5c0ca799 | 1189 | dTHR; |
a687059c LW |
1190 | register unsigned char *s, *x; |
1191 | register unsigned char *big; | |
79072805 LW |
1192 | register I32 pos; |
1193 | register I32 previous; | |
1194 | register I32 first; | |
a687059c | 1195 | register unsigned char *little; |
c277df42 | 1196 | register I32 stop_pos; |
a687059c | 1197 | register unsigned char *littleend; |
c277df42 | 1198 | I32 found = 0; |
378cc40b | 1199 | |
c277df42 | 1200 | if (*old_posp == -1 |
3280af22 | 1201 | ? (pos = PL_screamfirst[BmRARE(littlestr)]) < 0 |
cf93c79d IZ |
1202 | : (((pos = *old_posp), pos += PL_screamnext[pos]) == 0)) { |
1203 | cant_find: | |
1204 | if ( BmRARE(littlestr) == '\n' | |
1205 | && BmPREVIOUS(littlestr) == SvCUR(littlestr) - 1) { | |
1206 | little = (unsigned char *)(SvPVX(littlestr)); | |
1207 | littleend = little + SvCUR(littlestr); | |
1208 | first = *little++; | |
1209 | goto check_tail; | |
1210 | } | |
378cc40b | 1211 | return Nullch; |
cf93c79d IZ |
1212 | } |
1213 | ||
463ee0b2 | 1214 | little = (unsigned char *)(SvPVX(littlestr)); |
79072805 | 1215 | littleend = little + SvCUR(littlestr); |
378cc40b | 1216 | first = *little++; |
c277df42 | 1217 | /* The value of pos we can start at: */ |
79072805 | 1218 | previous = BmPREVIOUS(littlestr); |
463ee0b2 | 1219 | big = (unsigned char *)(SvPVX(bigstr)); |
c277df42 IZ |
1220 | /* The value of pos we can stop at: */ |
1221 | stop_pos = SvCUR(bigstr) - end_shift - (SvCUR(littlestr) - 1 - previous); | |
cf93c79d IZ |
1222 | if (previous + start_shift > stop_pos) { |
1223 | if (previous + start_shift == stop_pos + 1) /* A fake '\n'? */ | |
1224 | goto check_tail; | |
1225 | return Nullch; | |
1226 | } | |
c277df42 | 1227 | while (pos < previous + start_shift) { |
3280af22 | 1228 | if (!(pos += PL_screamnext[pos])) |
cf93c79d | 1229 | goto cant_find; |
378cc40b | 1230 | } |
de3bb511 | 1231 | #ifdef POINTERRIGOR |
bbce6d69 | 1232 | do { |
ef64f398 | 1233 | if (pos >= stop_pos) break; |
bbce6d69 | 1234 | if (big[pos-previous] != first) |
1235 | continue; | |
1236 | for (x=big+pos+1-previous,s=little; s < littleend; /**/ ) { | |
bbce6d69 | 1237 | if (*s++ != *x++) { |
1238 | s--; | |
1239 | break; | |
de3bb511 | 1240 | } |
bbce6d69 | 1241 | } |
c277df42 IZ |
1242 | if (s == littleend) { |
1243 | *old_posp = pos; | |
1244 | if (!last) return (char *)(big+pos-previous); | |
1245 | found = 1; | |
1246 | } | |
6b88bc9c | 1247 | } while ( pos += PL_screamnext[pos] ); |
c277df42 | 1248 | return (last && found) ? (char *)(big+(*old_posp)-previous) : Nullch; |
de3bb511 LW |
1249 | #else /* !POINTERRIGOR */ |
1250 | big -= previous; | |
bbce6d69 | 1251 | do { |
ef64f398 | 1252 | if (pos >= stop_pos) break; |
bbce6d69 | 1253 | if (big[pos] != first) |
1254 | continue; | |
1255 | for (x=big+pos+1,s=little; s < littleend; /**/ ) { | |
bbce6d69 | 1256 | if (*s++ != *x++) { |
1257 | s--; | |
1258 | break; | |
378cc40b | 1259 | } |
bbce6d69 | 1260 | } |
c277df42 IZ |
1261 | if (s == littleend) { |
1262 | *old_posp = pos; | |
1263 | if (!last) return (char *)(big+pos); | |
1264 | found = 1; | |
1265 | } | |
3280af22 | 1266 | } while ( pos += PL_screamnext[pos] ); |
cf93c79d IZ |
1267 | if (last && found) |
1268 | return (char *)(big+(*old_posp)); | |
de3bb511 | 1269 | #endif /* POINTERRIGOR */ |
cf93c79d IZ |
1270 | check_tail: |
1271 | if (!SvTAIL(littlestr) || (end_shift > 0)) | |
1272 | return Nullch; | |
1273 | /* Ignore the trailing "\n". This code is not microoptimized */ | |
1274 | big = (unsigned char *)(SvPVX(bigstr) + SvCUR(bigstr)); | |
1275 | stop_pos = littleend - little; /* Actual littlestr len */ | |
1276 | if (stop_pos == 0) | |
1277 | return (char*)big; | |
1278 | big -= stop_pos; | |
1279 | if (*big == first | |
1280 | && ((stop_pos == 1) || memEQ(big + 1, little, stop_pos - 1))) | |
1281 | return (char*)big; | |
1282 | return Nullch; | |
8d063cd8 LW |
1283 | } |
1284 | ||
79072805 | 1285 | I32 |
864dbfa3 | 1286 | Perl_ibcmp(pTHX_ const char *s1, const char *s2, register I32 len) |
79072805 | 1287 | { |
bbce6d69 | 1288 | register U8 *a = (U8 *)s1; |
1289 | register U8 *b = (U8 *)s2; | |
79072805 | 1290 | while (len--) { |
22c35a8c | 1291 | if (*a != *b && *a != PL_fold[*b]) |
bbce6d69 | 1292 | return 1; |
1293 | a++,b++; | |
1294 | } | |
1295 | return 0; | |
1296 | } | |
1297 | ||
1298 | I32 | |
864dbfa3 | 1299 | Perl_ibcmp_locale(pTHX_ const char *s1, const char *s2, register I32 len) |
bbce6d69 | 1300 | { |
1301 | register U8 *a = (U8 *)s1; | |
1302 | register U8 *b = (U8 *)s2; | |
1303 | while (len--) { | |
22c35a8c | 1304 | if (*a != *b && *a != PL_fold_locale[*b]) |
bbce6d69 | 1305 | return 1; |
1306 | a++,b++; | |
79072805 LW |
1307 | } |
1308 | return 0; | |
1309 | } | |
1310 | ||
8d063cd8 LW |
1311 | /* copy a string to a safe spot */ |
1312 | ||
1313 | char * | |
864dbfa3 | 1314 | Perl_savepv(pTHX_ const char *sv) |
8d063cd8 | 1315 | { |
a687059c | 1316 | register char *newaddr; |
8d063cd8 | 1317 | |
79072805 LW |
1318 | New(902,newaddr,strlen(sv)+1,char); |
1319 | (void)strcpy(newaddr,sv); | |
8d063cd8 LW |
1320 | return newaddr; |
1321 | } | |
1322 | ||
a687059c LW |
1323 | /* same thing but with a known length */ |
1324 | ||
1325 | char * | |
864dbfa3 | 1326 | Perl_savepvn(pTHX_ const char *sv, register I32 len) |
a687059c LW |
1327 | { |
1328 | register char *newaddr; | |
1329 | ||
1330 | New(903,newaddr,len+1,char); | |
79072805 | 1331 | Copy(sv,newaddr,len,char); /* might not be null terminated */ |
a687059c LW |
1332 | newaddr[len] = '\0'; /* is now */ |
1333 | return newaddr; | |
1334 | } | |
1335 | ||
cea2e8a9 | 1336 | /* the SV for Perl_form() and mess() is not kept in an arena */ |
fc36a67e | 1337 | |
76e3520e | 1338 | STATIC SV * |
cea2e8a9 | 1339 | S_mess_alloc(pTHX) |
fc36a67e | 1340 | { |
e72dc28c | 1341 | dTHR; |
fc36a67e | 1342 | SV *sv; |
1343 | XPVMG *any; | |
1344 | ||
e72dc28c GS |
1345 | if (!PL_dirty) |
1346 | return sv_2mortal(newSVpvn("",0)); | |
1347 | ||
0372dbb6 GS |
1348 | if (PL_mess_sv) |
1349 | return PL_mess_sv; | |
1350 | ||
fc36a67e | 1351 | /* Create as PVMG now, to avoid any upgrading later */ |
1352 | New(905, sv, 1, SV); | |
1353 | Newz(905, any, 1, XPVMG); | |
1354 | SvFLAGS(sv) = SVt_PVMG; | |
1355 | SvANY(sv) = (void*)any; | |
1356 | SvREFCNT(sv) = 1 << 30; /* practically infinite */ | |
e72dc28c | 1357 | PL_mess_sv = sv; |
fc36a67e | 1358 | return sv; |
1359 | } | |
1360 | ||
cea2e8a9 GS |
1361 | #ifdef PERL_IMPLICIT_CONTEXT |
1362 | char * | |
1363 | Perl_form_nocontext(const char* pat, ...) | |
1364 | { | |
1365 | dTHX; | |
1366 | SV *sv = mess_alloc(); | |
1367 | va_list args; | |
1368 | va_start(args, pat); | |
1369 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); | |
1370 | va_end(args); | |
1371 | return SvPVX(sv); | |
1372 | } | |
1373 | #endif | |
1374 | ||
8990e307 | 1375 | char * |
864dbfa3 | 1376 | Perl_form(pTHX_ const char* pat, ...) |
8990e307 | 1377 | { |
e72dc28c | 1378 | SV *sv = mess_alloc(); |
46fc3d4c | 1379 | va_list args; |
46fc3d4c | 1380 | va_start(args, pat); |
e72dc28c | 1381 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 1382 | va_end(args); |
e72dc28c | 1383 | return SvPVX(sv); |
46fc3d4c | 1384 | } |
a687059c | 1385 | |
06bf62c7 | 1386 | SV * |
864dbfa3 | 1387 | Perl_mess(pTHX_ const char *pat, va_list *args) |
46fc3d4c | 1388 | { |
e72dc28c | 1389 | SV *sv = mess_alloc(); |
46fc3d4c | 1390 | static char dgd[] = " during global destruction.\n"; |
1391 | ||
fc36a67e | 1392 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 1393 | if (!SvCUR(sv) || *(SvEND(sv) - 1) != '\n') { |
e858de61 | 1394 | dTHR; |
515f54a1 | 1395 | if (PL_curcop->cop_line) |
cea2e8a9 | 1396 | Perl_sv_catpvf(aTHX_ sv, " at %_ line %ld", |
515f54a1 GS |
1397 | GvSV(PL_curcop->cop_filegv), (long)PL_curcop->cop_line); |
1398 | if (GvIO(PL_last_in_gv) && IoLINES(GvIOp(PL_last_in_gv))) { | |
1399 | bool line_mode = (RsSIMPLE(PL_rs) && | |
7c1e0849 | 1400 | SvCUR(PL_rs) == 1 && *SvPVX(PL_rs) == '\n'); |
cea2e8a9 | 1401 | Perl_sv_catpvf(aTHX_ sv, ", <%s> %s %ld", |
515f54a1 GS |
1402 | PL_last_in_gv == PL_argvgv ? "" : GvNAME(PL_last_in_gv), |
1403 | line_mode ? "line" : "chunk", | |
1404 | (long)IoLINES(GvIOp(PL_last_in_gv))); | |
a687059c | 1405 | } |
515f54a1 | 1406 | sv_catpv(sv, PL_dirty ? dgd : ".\n"); |
a687059c | 1407 | } |
06bf62c7 | 1408 | return sv; |
a687059c LW |
1409 | } |
1410 | ||
cea2e8a9 GS |
1411 | static OP * |
1412 | do_die(pTHX_ const char* pat, va_list *args) | |
36477c24 | 1413 | { |
5dc0d613 | 1414 | dTHR; |
36477c24 | 1415 | char *message; |
3280af22 | 1416 | int was_in_eval = PL_in_eval; |
36477c24 | 1417 | HV *stash; |
1418 | GV *gv; | |
1419 | CV *cv; | |
06bf62c7 GS |
1420 | SV *msv; |
1421 | STRLEN msglen; | |
36477c24 | 1422 | |
8b73bbec | 1423 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
199100c8 | 1424 | "%p: die: curstack = %p, mainstack = %p\n", |
533c011a | 1425 | thr, PL_curstack, PL_mainstack)); |
36477c24 | 1426 | |
06bf62c7 | 1427 | if (pat) { |
cea2e8a9 | 1428 | msv = mess(pat, args); |
06bf62c7 GS |
1429 | message = SvPV(msv,msglen); |
1430 | } | |
1431 | else { | |
1432 | message = Nullch; | |
1433 | } | |
36477c24 | 1434 | |
8b73bbec | 1435 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
199100c8 | 1436 | "%p: die: message = %s\ndiehook = %p\n", |
533c011a | 1437 | thr, message, PL_diehook)); |
3280af22 | 1438 | if (PL_diehook) { |
cea2e8a9 | 1439 | /* sv_2cv might call Perl_croak() */ |
3280af22 | 1440 | SV *olddiehook = PL_diehook; |
1738f5c4 | 1441 | ENTER; |
3280af22 NIS |
1442 | SAVESPTR(PL_diehook); |
1443 | PL_diehook = Nullsv; | |
1738f5c4 CS |
1444 | cv = sv_2cv(olddiehook, &stash, &gv, 0); |
1445 | LEAVE; | |
1446 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
1447 | dSP; | |
774d564b | 1448 | SV *msg; |
1449 | ||
1450 | ENTER; | |
79cb57f6 | 1451 | if (message) { |
06bf62c7 | 1452 | msg = newSVpvn(message, msglen); |
4e6ea2c3 GS |
1453 | SvREADONLY_on(msg); |
1454 | SAVEFREESV(msg); | |
1455 | } | |
1456 | else { | |
1457 | msg = ERRSV; | |
1458 | } | |
1738f5c4 | 1459 | |
e788e7d3 | 1460 | PUSHSTACKi(PERLSI_DIEHOOK); |
924508f0 | 1461 | PUSHMARK(SP); |
1738f5c4 CS |
1462 | XPUSHs(msg); |
1463 | PUTBACK; | |
864dbfa3 | 1464 | call_sv((SV*)cv, G_DISCARD); |
d3acc0f7 | 1465 | POPSTACK; |
774d564b | 1466 | LEAVE; |
1738f5c4 | 1467 | } |
36477c24 | 1468 | } |
1469 | ||
06bf62c7 | 1470 | PL_restartop = die_where(message, msglen); |
8b73bbec | 1471 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
7c06b590 | 1472 | "%p: die: restartop = %p, was_in_eval = %d, top_env = %p\n", |
533c011a | 1473 | thr, PL_restartop, was_in_eval, PL_top_env)); |
3280af22 | 1474 | if ((!PL_restartop && was_in_eval) || PL_top_env->je_prev) |
6224f72b | 1475 | JMPENV_JUMP(3); |
3280af22 | 1476 | return PL_restartop; |
36477c24 | 1477 | } |
1478 | ||
cea2e8a9 GS |
1479 | #ifdef PERL_IMPLICIT_CONTEXT |
1480 | OP * | |
1481 | Perl_die_nocontext(const char* pat, ...) | |
a687059c | 1482 | { |
cea2e8a9 GS |
1483 | dTHX; |
1484 | OP *o; | |
a687059c | 1485 | va_list args; |
cea2e8a9 GS |
1486 | va_start(args, pat); |
1487 | o = do_die(aTHX_ pat, &args); | |
1488 | va_end(args); | |
1489 | return o; | |
1490 | } | |
1491 | #endif | |
1492 | ||
1493 | OP * | |
1494 | Perl_die(pTHX_ const char* pat, ...) | |
1495 | { | |
1496 | OP *o; | |
1497 | va_list args; | |
1498 | va_start(args, pat); | |
1499 | o = do_die(aTHX_ pat, &args); | |
1500 | va_end(args); | |
1501 | return o; | |
1502 | } | |
1503 | ||
1504 | STATIC void | |
1505 | S_do_croak(pTHX_ const char* pat, va_list *args) | |
1506 | { | |
1507 | dTHR; | |
de3bb511 | 1508 | char *message; |
748a9306 LW |
1509 | HV *stash; |
1510 | GV *gv; | |
1511 | CV *cv; | |
06bf62c7 GS |
1512 | SV *msv; |
1513 | STRLEN msglen; | |
a687059c | 1514 | |
cea2e8a9 | 1515 | msv = mess(pat, args); |
06bf62c7 | 1516 | message = SvPV(msv,msglen); |
8b73bbec | 1517 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "croak: 0x%lx %s", (unsigned long) thr, message)); |
3280af22 | 1518 | if (PL_diehook) { |
cea2e8a9 | 1519 | /* sv_2cv might call Perl_croak() */ |
3280af22 | 1520 | SV *olddiehook = PL_diehook; |
1738f5c4 | 1521 | ENTER; |
3280af22 NIS |
1522 | SAVESPTR(PL_diehook); |
1523 | PL_diehook = Nullsv; | |
20cec16a | 1524 | cv = sv_2cv(olddiehook, &stash, &gv, 0); |
1738f5c4 CS |
1525 | LEAVE; |
1526 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
20cec16a | 1527 | dSP; |
774d564b | 1528 | SV *msg; |
1529 | ||
1530 | ENTER; | |
06bf62c7 | 1531 | msg = newSVpvn(message, msglen); |
774d564b | 1532 | SvREADONLY_on(msg); |
1533 | SAVEFREESV(msg); | |
20cec16a | 1534 | |
e788e7d3 | 1535 | PUSHSTACKi(PERLSI_DIEHOOK); |
924508f0 | 1536 | PUSHMARK(SP); |
1738f5c4 | 1537 | XPUSHs(msg); |
20cec16a | 1538 | PUTBACK; |
864dbfa3 | 1539 | call_sv((SV*)cv, G_DISCARD); |
d3acc0f7 | 1540 | POPSTACK; |
774d564b | 1541 | LEAVE; |
20cec16a | 1542 | } |
748a9306 | 1543 | } |
3280af22 | 1544 | if (PL_in_eval) { |
06bf62c7 | 1545 | PL_restartop = die_where(message, msglen); |
6224f72b | 1546 | JMPENV_JUMP(3); |
a0d0e21e | 1547 | } |
d175a3f0 GS |
1548 | { |
1549 | #ifdef USE_SFIO | |
1550 | /* SFIO can really mess with your errno */ | |
1551 | int e = errno; | |
1552 | #endif | |
06bf62c7 | 1553 | PerlIO_write(PerlIO_stderr(), message, msglen); |
d175a3f0 GS |
1554 | (void)PerlIO_flush(PerlIO_stderr()); |
1555 | #ifdef USE_SFIO | |
1556 | errno = e; | |
1557 | #endif | |
1558 | } | |
f86702cc | 1559 | my_failure_exit(); |
a687059c LW |
1560 | } |
1561 | ||
cea2e8a9 | 1562 | #ifdef PERL_IMPLICIT_CONTEXT |
8990e307 | 1563 | void |
cea2e8a9 | 1564 | Perl_croak_nocontext(const char *pat, ...) |
a687059c | 1565 | { |
cea2e8a9 | 1566 | dTHX; |
a687059c | 1567 | va_list args; |
cea2e8a9 GS |
1568 | va_start(args, pat); |
1569 | do_croak(pat, &args); | |
1570 | /* NOTREACHED */ | |
1571 | va_end(args); | |
1572 | } | |
1573 | #endif /* PERL_IMPLICIT_CONTEXT */ | |
1574 | ||
1575 | void | |
1576 | Perl_croak(pTHX_ const char *pat, ...) | |
1577 | { | |
1578 | va_list args; | |
1579 | va_start(args, pat); | |
1580 | do_croak(pat, &args); | |
1581 | /* NOTREACHED */ | |
1582 | va_end(args); | |
1583 | } | |
1584 | ||
1585 | STATIC void | |
1586 | S_do_warn(pTHX_ const char* pat, va_list *args) | |
1587 | { | |
de3bb511 | 1588 | char *message; |
748a9306 LW |
1589 | HV *stash; |
1590 | GV *gv; | |
1591 | CV *cv; | |
06bf62c7 GS |
1592 | SV *msv; |
1593 | STRLEN msglen; | |
a687059c | 1594 | |
cea2e8a9 | 1595 | msv = mess(pat, args); |
06bf62c7 | 1596 | message = SvPV(msv, msglen); |
a687059c | 1597 | |
3280af22 | 1598 | if (PL_warnhook) { |
cea2e8a9 | 1599 | /* sv_2cv might call Perl_warn() */ |
11343788 | 1600 | dTHR; |
3280af22 | 1601 | SV *oldwarnhook = PL_warnhook; |
1738f5c4 | 1602 | ENTER; |
3280af22 NIS |
1603 | SAVESPTR(PL_warnhook); |
1604 | PL_warnhook = Nullsv; | |
20cec16a | 1605 | cv = sv_2cv(oldwarnhook, &stash, &gv, 0); |
1738f5c4 CS |
1606 | LEAVE; |
1607 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
20cec16a | 1608 | dSP; |
774d564b | 1609 | SV *msg; |
1610 | ||
1611 | ENTER; | |
06bf62c7 | 1612 | msg = newSVpvn(message, msglen); |
774d564b | 1613 | SvREADONLY_on(msg); |
1614 | SAVEFREESV(msg); | |
1615 | ||
e788e7d3 | 1616 | PUSHSTACKi(PERLSI_WARNHOOK); |
924508f0 | 1617 | PUSHMARK(SP); |
774d564b | 1618 | XPUSHs(msg); |
20cec16a | 1619 | PUTBACK; |
864dbfa3 | 1620 | call_sv((SV*)cv, G_DISCARD); |
d3acc0f7 | 1621 | POPSTACK; |
774d564b | 1622 | LEAVE; |
20cec16a | 1623 | return; |
1624 | } | |
748a9306 | 1625 | } |
06bf62c7 | 1626 | PerlIO_write(PerlIO_stderr(), message, msglen); |
a687059c | 1627 | #ifdef LEAKTEST |
8c52afec IZ |
1628 | DEBUG_L(*message == '!' |
1629 | ? (xstat(message[1]=='!' | |
1630 | ? (message[2]=='!' ? 2 : 1) | |
1631 | : 0) | |
1632 | , 0) | |
1633 | : 0); | |
a687059c | 1634 | #endif |
20cec16a | 1635 | (void)PerlIO_flush(PerlIO_stderr()); |
a687059c | 1636 | } |
8d063cd8 | 1637 | |
cea2e8a9 GS |
1638 | #ifdef PERL_IMPLICIT_CONTEXT |
1639 | void | |
1640 | Perl_warn_nocontext(const char *pat, ...) | |
1641 | { | |
1642 | dTHX; | |
1643 | va_list args; | |
1644 | va_start(args, pat); | |
1645 | do_warn(pat, &args); | |
1646 | va_end(args); | |
1647 | } | |
1648 | #endif /* PERL_IMPLICIT_CONTEXT */ | |
1649 | ||
1650 | void | |
1651 | Perl_warn(pTHX_ const char *pat, ...) | |
1652 | { | |
1653 | va_list args; | |
1654 | va_start(args, pat); | |
1655 | do_warn(pat, &args); | |
1656 | va_end(args); | |
1657 | } | |
1658 | ||
599cee73 | 1659 | void |
864dbfa3 | 1660 | Perl_warner(pTHX_ U32 err, const char* pat,...) |
599cee73 | 1661 | { |
d008e5eb | 1662 | dTHR; |
599cee73 PM |
1663 | va_list args; |
1664 | char *message; | |
1665 | HV *stash; | |
1666 | GV *gv; | |
1667 | CV *cv; | |
06bf62c7 GS |
1668 | SV *msv; |
1669 | STRLEN msglen; | |
599cee73 PM |
1670 | |
1671 | va_start(args, pat); | |
06bf62c7 GS |
1672 | msv = mess(pat, &args); |
1673 | message = SvPV(msv, msglen); | |
599cee73 PM |
1674 | va_end(args); |
1675 | ||
1676 | if (ckDEAD(err)) { | |
1677 | #ifdef USE_THREADS | |
d008e5eb | 1678 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "croak: 0x%lx %s", (unsigned long) thr, message)); |
599cee73 PM |
1679 | #endif /* USE_THREADS */ |
1680 | if (PL_diehook) { | |
cea2e8a9 | 1681 | /* sv_2cv might call Perl_croak() */ |
599cee73 PM |
1682 | SV *olddiehook = PL_diehook; |
1683 | ENTER; | |
1684 | SAVESPTR(PL_diehook); | |
1685 | PL_diehook = Nullsv; | |
1686 | cv = sv_2cv(olddiehook, &stash, &gv, 0); | |
1687 | LEAVE; | |
1688 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
1689 | dSP; | |
1690 | SV *msg; | |
1691 | ||
1692 | ENTER; | |
06bf62c7 | 1693 | msg = newSVpvn(message, msglen); |
599cee73 PM |
1694 | SvREADONLY_on(msg); |
1695 | SAVEFREESV(msg); | |
1696 | ||
1697 | PUSHMARK(sp); | |
1698 | XPUSHs(msg); | |
1699 | PUTBACK; | |
864dbfa3 | 1700 | call_sv((SV*)cv, G_DISCARD); |
599cee73 PM |
1701 | |
1702 | LEAVE; | |
1703 | } | |
1704 | } | |
1705 | if (PL_in_eval) { | |
06bf62c7 | 1706 | PL_restartop = die_where(message, msglen); |
599cee73 PM |
1707 | JMPENV_JUMP(3); |
1708 | } | |
06bf62c7 | 1709 | PerlIO_write(PerlIO_stderr(), message, msglen); |
599cee73 PM |
1710 | (void)PerlIO_flush(PerlIO_stderr()); |
1711 | my_failure_exit(); | |
1712 | ||
1713 | } | |
1714 | else { | |
1715 | if (PL_warnhook) { | |
cea2e8a9 | 1716 | /* sv_2cv might call Perl_warn() */ |
599cee73 PM |
1717 | dTHR; |
1718 | SV *oldwarnhook = PL_warnhook; | |
1719 | ENTER; | |
1720 | SAVESPTR(PL_warnhook); | |
1721 | PL_warnhook = Nullsv; | |
1722 | cv = sv_2cv(oldwarnhook, &stash, &gv, 0); | |
1723 | LEAVE; | |
1724 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
1725 | dSP; | |
1726 | SV *msg; | |
1727 | ||
1728 | ENTER; | |
06bf62c7 | 1729 | msg = newSVpvn(message, msglen); |
599cee73 PM |
1730 | SvREADONLY_on(msg); |
1731 | SAVEFREESV(msg); | |
1732 | ||
1733 | PUSHMARK(sp); | |
1734 | XPUSHs(msg); | |
1735 | PUTBACK; | |
864dbfa3 | 1736 | call_sv((SV*)cv, G_DISCARD); |
599cee73 PM |
1737 | |
1738 | LEAVE; | |
1739 | return; | |
1740 | } | |
1741 | } | |
06bf62c7 | 1742 | PerlIO_write(PerlIO_stderr(), message, msglen); |
599cee73 PM |
1743 | #ifdef LEAKTEST |
1744 | DEBUG_L(xstat()); | |
1745 | #endif | |
1746 | (void)PerlIO_flush(PerlIO_stderr()); | |
1747 | } | |
1748 | } | |
1749 | ||
a0d0e21e | 1750 | #ifndef VMS /* VMS' my_setenv() is in VMS.c */ |
f89d6eaa | 1751 | #if !defined(WIN32) && !defined(CYGWIN32) |
8d063cd8 | 1752 | void |
864dbfa3 | 1753 | Perl_my_setenv(pTHX_ char *nam, char *val) |
8d063cd8 | 1754 | { |
f2517201 GS |
1755 | #ifndef PERL_USE_SAFE_PUTENV |
1756 | /* most putenv()s leak, so we manipulate environ directly */ | |
79072805 | 1757 | register I32 i=setenv_getix(nam); /* where does it go? */ |
8d063cd8 | 1758 | |
3280af22 | 1759 | if (environ == PL_origenviron) { /* need we copy environment? */ |
79072805 LW |
1760 | I32 j; |
1761 | I32 max; | |
fe14fcc3 LW |
1762 | char **tmpenv; |
1763 | ||
de3bb511 | 1764 | /*SUPPRESS 530*/ |
fe14fcc3 | 1765 | for (max = i; environ[max]; max++) ; |
f2517201 GS |
1766 | tmpenv = (char**)safesysmalloc((max+2) * sizeof(char*)); |
1767 | for (j=0; j<max; j++) { /* copy environment */ | |
1768 | tmpenv[j] = (char*)safesysmalloc((strlen(environ[j])+1)*sizeof(char)); | |
1769 | strcpy(tmpenv[j], environ[j]); | |
1770 | } | |
fe14fcc3 LW |
1771 | tmpenv[max] = Nullch; |
1772 | environ = tmpenv; /* tell exec where it is now */ | |
1773 | } | |
a687059c | 1774 | if (!val) { |
f2517201 | 1775 | safesysfree(environ[i]); |
a687059c LW |
1776 | while (environ[i]) { |
1777 | environ[i] = environ[i+1]; | |
1778 | i++; | |
1779 | } | |
1780 | return; | |
1781 | } | |
8d063cd8 | 1782 | if (!environ[i]) { /* does not exist yet */ |
f2517201 | 1783 | environ = (char**)safesysrealloc(environ, (i+2) * sizeof(char*)); |
8d063cd8 LW |
1784 | environ[i+1] = Nullch; /* make sure it's null terminated */ |
1785 | } | |
fe14fcc3 | 1786 | else |
f2517201 GS |
1787 | safesysfree(environ[i]); |
1788 | environ[i] = (char*)safesysmalloc((strlen(nam)+strlen(val)+2) * sizeof(char)); | |
1789 | ||
62b28dd9 | 1790 | #ifndef MSDOS |
a687059c | 1791 | (void)sprintf(environ[i],"%s=%s",nam,val);/* all that work just for this */ |
62b28dd9 LW |
1792 | #else |
1793 | /* MS-DOS requires environment variable names to be in uppercase */ | |
fe14fcc3 LW |
1794 | /* [Tom Dinger, 27 August 1990: Well, it doesn't _require_ it, but |
1795 | * some utilities and applications may break because they only look | |
1796 | * for upper case strings. (Fixed strupr() bug here.)] | |
1797 | */ | |
1798 | strcpy(environ[i],nam); strupr(environ[i]); | |
62b28dd9 LW |
1799 | (void)sprintf(environ[i] + strlen(nam),"=%s",val); |
1800 | #endif /* MSDOS */ | |
f2517201 GS |
1801 | |
1802 | #else /* PERL_USE_SAFE_PUTENV */ | |
1803 | char *new_env; | |
1804 | ||
1805 | new_env = (char*)safesysmalloc((strlen(nam) + strlen(val) + 2) * sizeof(char)); | |
1806 | #ifndef MSDOS | |
1807 | (void)sprintf(new_env,"%s=%s",nam,val);/* all that work just for this */ | |
1808 | #else | |
1809 | strcpy(new_env,nam); strupr(new_env); | |
1810 | (void)sprintf(new_env + strlen(nam),"=%s",val); | |
1811 | #endif | |
1812 | (void)putenv(new_env); | |
1813 | #endif /* PERL_USE_SAFE_PUTENV */ | |
8d063cd8 LW |
1814 | } |
1815 | ||
3e3baf6d | 1816 | #else /* if WIN32 */ |
68dc0745 | 1817 | |
1818 | void | |
864dbfa3 | 1819 | Perl_my_setenv(pTHX_ char *nam,char *val) |
68dc0745 | 1820 | { |
3e3baf6d TB |
1821 | |
1822 | #ifdef USE_WIN32_RTL_ENV | |
1823 | ||
68dc0745 | 1824 | register char *envstr; |
1825 | STRLEN namlen = strlen(nam); | |
3e3baf6d TB |
1826 | STRLEN vallen; |
1827 | char *oldstr = environ[setenv_getix(nam)]; | |
1828 | ||
1829 | /* putenv() has totally broken semantics in both the Borland | |
1830 | * and Microsoft CRTLs. They either store the passed pointer in | |
1831 | * the environment without making a copy, or make a copy and don't | |
1832 | * free it. And on top of that, they dont free() old entries that | |
1833 | * are being replaced/deleted. This means the caller must | |
1834 | * free any old entries somehow, or we end up with a memory | |
1835 | * leak every time my_setenv() is called. One might think | |
1836 | * one could directly manipulate environ[], like the UNIX code | |
1837 | * above, but direct changes to environ are not allowed when | |
1838 | * calling putenv(), since the RTLs maintain an internal | |
1839 | * *copy* of environ[]. Bad, bad, *bad* stink. | |
1840 | * GSAR 97-06-07 | |
1841 | */ | |
68dc0745 | 1842 | |
3e3baf6d TB |
1843 | if (!val) { |
1844 | if (!oldstr) | |
1845 | return; | |
1846 | val = ""; | |
1847 | vallen = 0; | |
1848 | } | |
1849 | else | |
1850 | vallen = strlen(val); | |
f2517201 | 1851 | envstr = (char*)safesysmalloc((namlen + vallen + 3) * sizeof(char)); |
68dc0745 | 1852 | (void)sprintf(envstr,"%s=%s",nam,val); |
76e3520e | 1853 | (void)PerlEnv_putenv(envstr); |
3e3baf6d | 1854 | if (oldstr) |
f2517201 | 1855 | safesysfree(oldstr); |
3e3baf6d | 1856 | #ifdef _MSC_VER |
f2517201 | 1857 | safesysfree(envstr); /* MSVCRT leaks without this */ |
3e3baf6d TB |
1858 | #endif |
1859 | ||
1860 | #else /* !USE_WIN32_RTL_ENV */ | |
1861 | ||
ac5c734f GS |
1862 | register char *envstr; |
1863 | STRLEN len = strlen(nam) + 3; | |
1864 | if (!val) { | |
1865 | val = ""; | |
1866 | } | |
1867 | len += strlen(val); | |
1868 | New(904, envstr, len, char); | |
1869 | (void)sprintf(envstr,"%s=%s",nam,val); | |
1870 | (void)PerlEnv_putenv(envstr); | |
1871 | Safefree(envstr); | |
3e3baf6d TB |
1872 | |
1873 | #endif | |
1874 | } | |
1875 | ||
1876 | #endif /* WIN32 */ | |
1877 | ||
1878 | I32 | |
864dbfa3 | 1879 | Perl_setenv_getix(pTHX_ char *nam) |
3e3baf6d TB |
1880 | { |
1881 | register I32 i, len = strlen(nam); | |
1882 | ||
1883 | for (i = 0; environ[i]; i++) { | |
1884 | if ( | |
1885 | #ifdef WIN32 | |
1886 | strnicmp(environ[i],nam,len) == 0 | |
1887 | #else | |
1888 | strnEQ(environ[i],nam,len) | |
1889 | #endif | |
1890 | && environ[i][len] == '=') | |
1891 | break; /* strnEQ must come first to avoid */ | |
1892 | } /* potential SEGV's */ | |
1893 | return i; | |
68dc0745 | 1894 | } |
1895 | ||
a0d0e21e | 1896 | #endif /* !VMS */ |
378cc40b | 1897 | |
16d20bd9 | 1898 | #ifdef UNLINK_ALL_VERSIONS |
79072805 | 1899 | I32 |
864dbfa3 | 1900 | Perl_unlnk(pTHX_ char *f) /* unlink all versions of a file */ |
378cc40b | 1901 | { |
79072805 | 1902 | I32 i; |
378cc40b | 1903 | |
6ad3d225 | 1904 | for (i = 0; PerlLIO_unlink(f) >= 0; i++) ; |
378cc40b LW |
1905 | return i ? 0 : -1; |
1906 | } | |
1907 | #endif | |
1908 | ||
85e6fe83 | 1909 | #if !defined(HAS_BCOPY) || !defined(HAS_SAFE_BCOPY) |
378cc40b | 1910 | char * |
864dbfa3 | 1911 | Perl_my_bcopy(pTHX_ register const char *from,register char *to,register I32 len) |
378cc40b LW |
1912 | { |
1913 | char *retval = to; | |
1914 | ||
7c0587c8 LW |
1915 | if (from - to >= 0) { |
1916 | while (len--) | |
1917 | *to++ = *from++; | |
1918 | } | |
1919 | else { | |
1920 | to += len; | |
1921 | from += len; | |
1922 | while (len--) | |
faf8582f | 1923 | *(--to) = *(--from); |
7c0587c8 | 1924 | } |
378cc40b LW |
1925 | return retval; |
1926 | } | |
ffed7fef | 1927 | #endif |
378cc40b | 1928 | |
fc36a67e | 1929 | #ifndef HAS_MEMSET |
1930 | void * | |
864dbfa3 | 1931 | Perl_my_memset(pTHX_ register char *loc, register I32 ch, register I32 len) |
fc36a67e | 1932 | { |
1933 | char *retval = loc; | |
1934 | ||
1935 | while (len--) | |
1936 | *loc++ = ch; | |
1937 | return retval; | |
1938 | } | |
1939 | #endif | |
1940 | ||
7c0587c8 | 1941 | #if !defined(HAS_BZERO) && !defined(HAS_MEMSET) |
378cc40b | 1942 | char * |
864dbfa3 | 1943 | Perl_my_bzero(pTHX_ register char *loc, register I32 len) |
378cc40b LW |
1944 | { |
1945 | char *retval = loc; | |
1946 | ||
1947 | while (len--) | |
1948 | *loc++ = 0; | |
1949 | return retval; | |
1950 | } | |
1951 | #endif | |
7c0587c8 | 1952 | |
36477c24 | 1953 | #if !defined(HAS_MEMCMP) || !defined(HAS_SANE_MEMCMP) |
79072805 | 1954 | I32 |
864dbfa3 | 1955 | Perl_my_memcmp(pTHX_ const char *s1, const char *s2, register I32 len) |
7c0587c8 | 1956 | { |
36477c24 | 1957 | register U8 *a = (U8 *)s1; |
1958 | register U8 *b = (U8 *)s2; | |
79072805 | 1959 | register I32 tmp; |
7c0587c8 LW |
1960 | |
1961 | while (len--) { | |
36477c24 | 1962 | if (tmp = *a++ - *b++) |
7c0587c8 LW |
1963 | return tmp; |
1964 | } | |
1965 | return 0; | |
1966 | } | |
36477c24 | 1967 | #endif /* !HAS_MEMCMP || !HAS_SANE_MEMCMP */ |
a687059c | 1968 | |
fe14fcc3 | 1969 | #ifndef HAS_VPRINTF |
a687059c | 1970 | |
85e6fe83 | 1971 | #ifdef USE_CHAR_VSPRINTF |
a687059c LW |
1972 | char * |
1973 | #else | |
1974 | int | |
1975 | #endif | |
08105a92 | 1976 | vsprintf(char *dest, const char *pat, char *args) |
a687059c LW |
1977 | { |
1978 | FILE fakebuf; | |
1979 | ||
1980 | fakebuf._ptr = dest; | |
1981 | fakebuf._cnt = 32767; | |
35c8bce7 LW |
1982 | #ifndef _IOSTRG |
1983 | #define _IOSTRG 0 | |
1984 | #endif | |
a687059c LW |
1985 | fakebuf._flag = _IOWRT|_IOSTRG; |
1986 | _doprnt(pat, args, &fakebuf); /* what a kludge */ | |
1987 | (void)putc('\0', &fakebuf); | |
85e6fe83 | 1988 | #ifdef USE_CHAR_VSPRINTF |
a687059c LW |
1989 | return(dest); |
1990 | #else | |
1991 | return 0; /* perl doesn't use return value */ | |
1992 | #endif | |
1993 | } | |
1994 | ||
fe14fcc3 | 1995 | #endif /* HAS_VPRINTF */ |
a687059c LW |
1996 | |
1997 | #ifdef MYSWAP | |
ffed7fef | 1998 | #if BYTEORDER != 0x4321 |
a687059c | 1999 | short |
864dbfa3 | 2000 | Perl_my_swap(pTHX_ short s) |
a687059c LW |
2001 | { |
2002 | #if (BYTEORDER & 1) == 0 | |
2003 | short result; | |
2004 | ||
2005 | result = ((s & 255) << 8) + ((s >> 8) & 255); | |
2006 | return result; | |
2007 | #else | |
2008 | return s; | |
2009 | #endif | |
2010 | } | |
2011 | ||
2012 | long | |
864dbfa3 | 2013 | Perl_my_htonl(pTHX_ long l) |
a687059c LW |
2014 | { |
2015 | union { | |
2016 | long result; | |
ffed7fef | 2017 | char c[sizeof(long)]; |
a687059c LW |
2018 | } u; |
2019 | ||
ffed7fef | 2020 | #if BYTEORDER == 0x1234 |
a687059c LW |
2021 | u.c[0] = (l >> 24) & 255; |
2022 | u.c[1] = (l >> 16) & 255; | |
2023 | u.c[2] = (l >> 8) & 255; | |
2024 | u.c[3] = l & 255; | |
2025 | return u.result; | |
2026 | #else | |
ffed7fef | 2027 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
cea2e8a9 | 2028 | Perl_croak(aTHX_ "Unknown BYTEORDER\n"); |
a687059c | 2029 | #else |
79072805 LW |
2030 | register I32 o; |
2031 | register I32 s; | |
a687059c | 2032 | |
ffed7fef LW |
2033 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
2034 | u.c[o & 0xf] = (l >> s) & 255; | |
a687059c LW |
2035 | } |
2036 | return u.result; | |
2037 | #endif | |
2038 | #endif | |
2039 | } | |
2040 | ||
2041 | long | |
864dbfa3 | 2042 | Perl_my_ntohl(pTHX_ long l) |
a687059c LW |
2043 | { |
2044 | union { | |
2045 | long l; | |
ffed7fef | 2046 | char c[sizeof(long)]; |
a687059c LW |
2047 | } u; |
2048 | ||
ffed7fef | 2049 | #if BYTEORDER == 0x1234 |
a687059c LW |
2050 | u.c[0] = (l >> 24) & 255; |
2051 | u.c[1] = (l >> 16) & 255; | |
2052 | u.c[2] = (l >> 8) & 255; | |
2053 | u.c[3] = l & 255; | |
2054 | return u.l; | |
2055 | #else | |
ffed7fef | 2056 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
cea2e8a9 | 2057 | Perl_croak(aTHX_ "Unknown BYTEORDER\n"); |
a687059c | 2058 | #else |
79072805 LW |
2059 | register I32 o; |
2060 | register I32 s; | |
a687059c LW |
2061 | |
2062 | u.l = l; | |
2063 | l = 0; | |
ffed7fef LW |
2064 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
2065 | l |= (u.c[o & 0xf] & 255) << s; | |
a687059c LW |
2066 | } |
2067 | return l; | |
2068 | #endif | |
2069 | #endif | |
2070 | } | |
2071 | ||
ffed7fef | 2072 | #endif /* BYTEORDER != 0x4321 */ |
988174c1 LW |
2073 | #endif /* MYSWAP */ |
2074 | ||
2075 | /* | |
2076 | * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. | |
2077 | * If these functions are defined, | |
2078 | * the BYTEORDER is neither 0x1234 nor 0x4321. | |
2079 | * However, this is not assumed. | |
2080 | * -DWS | |
2081 | */ | |
2082 | ||
2083 | #define HTOV(name,type) \ | |
2084 | type \ | |
ba106d47 | 2085 | name (register type n) \ |
988174c1 LW |
2086 | { \ |
2087 | union { \ | |
2088 | type value; \ | |
2089 | char c[sizeof(type)]; \ | |
2090 | } u; \ | |
79072805 LW |
2091 | register I32 i; \ |
2092 | register I32 s; \ | |
988174c1 LW |
2093 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ |
2094 | u.c[i] = (n >> s) & 0xFF; \ | |
2095 | } \ | |
2096 | return u.value; \ | |
2097 | } | |
2098 | ||
2099 | #define VTOH(name,type) \ | |
2100 | type \ | |
ba106d47 | 2101 | name (register type n) \ |
988174c1 LW |
2102 | { \ |
2103 | union { \ | |
2104 | type value; \ | |
2105 | char c[sizeof(type)]; \ | |
2106 | } u; \ | |
79072805 LW |
2107 | register I32 i; \ |
2108 | register I32 s; \ | |
988174c1 LW |
2109 | u.value = n; \ |
2110 | n = 0; \ | |
2111 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ | |
2112 | n += (u.c[i] & 0xFF) << s; \ | |
2113 | } \ | |
2114 | return n; \ | |
2115 | } | |
2116 | ||
2117 | #if defined(HAS_HTOVS) && !defined(htovs) | |
2118 | HTOV(htovs,short) | |
2119 | #endif | |
2120 | #if defined(HAS_HTOVL) && !defined(htovl) | |
2121 | HTOV(htovl,long) | |
2122 | #endif | |
2123 | #if defined(HAS_VTOHS) && !defined(vtohs) | |
2124 | VTOH(vtohs,short) | |
2125 | #endif | |
2126 | #if defined(HAS_VTOHL) && !defined(vtohl) | |
2127 | VTOH(vtohl,long) | |
2128 | #endif | |
a687059c | 2129 | |
5f05dabc | 2130 | /* VMS' my_popen() is in VMS.c, same with OS/2. */ |
092bebab | 2131 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM) |
760ac839 | 2132 | PerlIO * |
864dbfa3 | 2133 | Perl_my_popen(pTHX_ char *cmd, char *mode) |
a687059c LW |
2134 | { |
2135 | int p[2]; | |
8ac85365 | 2136 | register I32 This, that; |
79072805 LW |
2137 | register I32 pid; |
2138 | SV *sv; | |
1738f5c4 | 2139 | I32 doexec = strNE(cmd,"-"); |
e446cec8 IZ |
2140 | I32 did_pipes = 0; |
2141 | int pp[2]; | |
a687059c | 2142 | |
45bc9206 | 2143 | PERL_FLUSHALL_FOR_CHILD; |
ddcf38b7 IZ |
2144 | #ifdef OS2 |
2145 | if (doexec) { | |
2146 | return my_syspopen(cmd,mode); | |
2147 | } | |
2148 | #endif | |
8ac85365 NIS |
2149 | This = (*mode == 'w'); |
2150 | that = !This; | |
3280af22 | 2151 | if (doexec && PL_tainting) { |
bbce6d69 | 2152 | taint_env(); |
2153 | taint_proper("Insecure %s%s", "EXEC"); | |
d48672a2 | 2154 | } |
c2267164 IZ |
2155 | if (PerlProc_pipe(p) < 0) |
2156 | return Nullfp; | |
e446cec8 IZ |
2157 | if (doexec && PerlProc_pipe(pp) >= 0) |
2158 | did_pipes = 1; | |
a687059c LW |
2159 | while ((pid = (doexec?vfork():fork())) < 0) { |
2160 | if (errno != EAGAIN) { | |
6ad3d225 | 2161 | PerlLIO_close(p[This]); |
e446cec8 IZ |
2162 | if (did_pipes) { |
2163 | PerlLIO_close(pp[0]); | |
2164 | PerlLIO_close(pp[1]); | |
2165 | } | |
a687059c | 2166 | if (!doexec) |
cea2e8a9 | 2167 | Perl_croak(aTHX_ "Can't fork"); |
a687059c LW |
2168 | return Nullfp; |
2169 | } | |
2170 | sleep(5); | |
2171 | } | |
2172 | if (pid == 0) { | |
79072805 LW |
2173 | GV* tmpgv; |
2174 | ||
30ac6d9b GS |
2175 | #undef THIS |
2176 | #undef THAT | |
a687059c | 2177 | #define THIS that |
8ac85365 | 2178 | #define THAT This |
6ad3d225 | 2179 | PerlLIO_close(p[THAT]); |
e446cec8 IZ |
2180 | if (did_pipes) { |
2181 | PerlLIO_close(pp[0]); | |
2182 | #if defined(HAS_FCNTL) && defined(F_SETFD) | |
2183 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); | |
2184 | #endif | |
2185 | } | |
a687059c | 2186 | if (p[THIS] != (*mode == 'r')) { |
6ad3d225 GS |
2187 | PerlLIO_dup2(p[THIS], *mode == 'r'); |
2188 | PerlLIO_close(p[THIS]); | |
a687059c | 2189 | } |
4435c477 | 2190 | #ifndef OS2 |
a687059c | 2191 | if (doexec) { |
a0d0e21e | 2192 | #if !defined(HAS_FCNTL) || !defined(F_SETFD) |
ae986130 LW |
2193 | int fd; |
2194 | ||
2195 | #ifndef NOFILE | |
2196 | #define NOFILE 20 | |
2197 | #endif | |
6b88bc9c | 2198 | for (fd = PL_maxsysfd + 1; fd < NOFILE; fd++) |
e446cec8 IZ |
2199 | if (fd != pp[1]) |
2200 | PerlLIO_close(fd); | |
ae986130 | 2201 | #endif |
e446cec8 | 2202 | do_exec3(cmd,pp[1],did_pipes); /* may or may not use the shell */ |
6ad3d225 | 2203 | PerlProc__exit(1); |
a687059c | 2204 | } |
4435c477 | 2205 | #endif /* defined OS2 */ |
de3bb511 | 2206 | /*SUPPRESS 560*/ |
85e6fe83 | 2207 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2208 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
3280af22 NIS |
2209 | PL_forkprocess = 0; |
2210 | hv_clear(PL_pidstatus); /* we have no children */ | |
a687059c LW |
2211 | return Nullfp; |
2212 | #undef THIS | |
2213 | #undef THAT | |
2214 | } | |
62b28dd9 | 2215 | do_execfree(); /* free any memory malloced by child on vfork */ |
6ad3d225 | 2216 | PerlLIO_close(p[that]); |
e446cec8 IZ |
2217 | if (did_pipes) |
2218 | PerlLIO_close(pp[1]); | |
8ac85365 | 2219 | if (p[that] < p[This]) { |
6ad3d225 GS |
2220 | PerlLIO_dup2(p[This], p[that]); |
2221 | PerlLIO_close(p[This]); | |
8ac85365 | 2222 | p[This] = p[that]; |
62b28dd9 | 2223 | } |
3280af22 | 2224 | sv = *av_fetch(PL_fdpid,p[This],TRUE); |
a0d0e21e | 2225 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 | 2226 | SvIVX(sv) = pid; |
3280af22 | 2227 | PL_forkprocess = pid; |
e446cec8 IZ |
2228 | if (did_pipes && pid > 0) { |
2229 | int errkid; | |
2230 | int n = 0, n1; | |
2231 | ||
2232 | while (n < sizeof(int)) { | |
2233 | n1 = PerlLIO_read(pp[0], | |
2234 | (void*)(((char*)&errkid)+n), | |
2235 | (sizeof(int)) - n); | |
2236 | if (n1 <= 0) | |
2237 | break; | |
2238 | n += n1; | |
2239 | } | |
2240 | if (n) { /* Error */ | |
2241 | if (n != sizeof(int)) | |
cea2e8a9 | 2242 | Perl_croak(aTHX_ "panic: kid popen errno read"); |
e446cec8 IZ |
2243 | PerlLIO_close(pp[0]); |
2244 | errno = errkid; /* Propagate errno from kid */ | |
2245 | return Nullfp; | |
2246 | } | |
2247 | } | |
2248 | if (did_pipes) | |
2249 | PerlLIO_close(pp[0]); | |
8ac85365 | 2250 | return PerlIO_fdopen(p[This], mode); |
a687059c | 2251 | } |
7c0587c8 | 2252 | #else |
55497cff | 2253 | #if defined(atarist) || defined(DJGPP) |
7c0587c8 | 2254 | FILE *popen(); |
760ac839 | 2255 | PerlIO * |
864dbfa3 | 2256 | Perl_my_popen(pTHX_ char *cmd, char *mode) |
7c0587c8 | 2257 | { |
760ac839 | 2258 | /* Needs work for PerlIO ! */ |
55497cff | 2259 | /* used 0 for 2nd parameter to PerlIO-exportFILE; apparently not used */ |
45bc9206 | 2260 | PERL_FLUSHALL_FOR_CHILD; |
55497cff | 2261 | return popen(PerlIO_exportFILE(cmd, 0), mode); |
7c0587c8 LW |
2262 | } |
2263 | #endif | |
2264 | ||
2265 | #endif /* !DOSISH */ | |
a687059c | 2266 | |
748a9306 | 2267 | #ifdef DUMP_FDS |
35ff7856 | 2268 | void |
864dbfa3 | 2269 | Perl_dump_fds(pTHX_ char *s) |
ae986130 LW |
2270 | { |
2271 | int fd; | |
2272 | struct stat tmpstatbuf; | |
2273 | ||
760ac839 | 2274 | PerlIO_printf(PerlIO_stderr(),"%s", s); |
ae986130 | 2275 | for (fd = 0; fd < 32; fd++) { |
6ad3d225 | 2276 | if (PerlLIO_fstat(fd,&tmpstatbuf) >= 0) |
760ac839 | 2277 | PerlIO_printf(PerlIO_stderr()," %d",fd); |
ae986130 | 2278 | } |
760ac839 | 2279 | PerlIO_printf(PerlIO_stderr(),"\n"); |
ae986130 | 2280 | } |
35ff7856 | 2281 | #endif /* DUMP_FDS */ |
ae986130 | 2282 | |
fe14fcc3 | 2283 | #ifndef HAS_DUP2 |
fec02dd3 | 2284 | int |
ba106d47 | 2285 | dup2(int oldfd, int newfd) |
a687059c | 2286 | { |
a0d0e21e | 2287 | #if defined(HAS_FCNTL) && defined(F_DUPFD) |
fec02dd3 AD |
2288 | if (oldfd == newfd) |
2289 | return oldfd; | |
6ad3d225 | 2290 | PerlLIO_close(newfd); |
fec02dd3 | 2291 | return fcntl(oldfd, F_DUPFD, newfd); |
62b28dd9 | 2292 | #else |
fc36a67e | 2293 | #define DUP2_MAX_FDS 256 |
2294 | int fdtmp[DUP2_MAX_FDS]; | |
79072805 | 2295 | I32 fdx = 0; |
ae986130 LW |
2296 | int fd; |
2297 | ||
fe14fcc3 | 2298 | if (oldfd == newfd) |
fec02dd3 | 2299 | return oldfd; |
6ad3d225 | 2300 | PerlLIO_close(newfd); |
fc36a67e | 2301 | /* good enough for low fd's... */ |
6ad3d225 | 2302 | while ((fd = PerlLIO_dup(oldfd)) != newfd && fd >= 0) { |
fc36a67e | 2303 | if (fdx >= DUP2_MAX_FDS) { |
6ad3d225 | 2304 | PerlLIO_close(fd); |
fc36a67e | 2305 | fd = -1; |
2306 | break; | |
2307 | } | |
ae986130 | 2308 | fdtmp[fdx++] = fd; |
fc36a67e | 2309 | } |
ae986130 | 2310 | while (fdx > 0) |
6ad3d225 | 2311 | PerlLIO_close(fdtmp[--fdx]); |
fec02dd3 | 2312 | return fd; |
62b28dd9 | 2313 | #endif |
a687059c LW |
2314 | } |
2315 | #endif | |
2316 | ||
ff68c719 | 2317 | |
2318 | #ifdef HAS_SIGACTION | |
2319 | ||
2320 | Sighandler_t | |
864dbfa3 | 2321 | Perl_rsignal(pTHX_ int signo, Sighandler_t handler) |
ff68c719 | 2322 | { |
2323 | struct sigaction act, oact; | |
2324 | ||
2325 | act.sa_handler = handler; | |
2326 | sigemptyset(&act.sa_mask); | |
2327 | act.sa_flags = 0; | |
2328 | #ifdef SA_RESTART | |
2329 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ | |
2330 | #endif | |
85264bed CS |
2331 | #ifdef SA_NOCLDWAIT |
2332 | if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN) | |
2333 | act.sa_flags |= SA_NOCLDWAIT; | |
2334 | #endif | |
ff68c719 | 2335 | if (sigaction(signo, &act, &oact) == -1) |
36477c24 | 2336 | return SIG_ERR; |
ff68c719 | 2337 | else |
36477c24 | 2338 | return oact.sa_handler; |
ff68c719 | 2339 | } |
2340 | ||
2341 | Sighandler_t | |
864dbfa3 | 2342 | Perl_rsignal_state(pTHX_ int signo) |
ff68c719 | 2343 | { |
2344 | struct sigaction oact; | |
2345 | ||
2346 | if (sigaction(signo, (struct sigaction *)NULL, &oact) == -1) | |
2347 | return SIG_ERR; | |
2348 | else | |
2349 | return oact.sa_handler; | |
2350 | } | |
2351 | ||
2352 | int | |
864dbfa3 | 2353 | Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save) |
ff68c719 | 2354 | { |
2355 | struct sigaction act; | |
2356 | ||
2357 | act.sa_handler = handler; | |
2358 | sigemptyset(&act.sa_mask); | |
2359 | act.sa_flags = 0; | |
2360 | #ifdef SA_RESTART | |
2361 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ | |
2362 | #endif | |
85264bed CS |
2363 | #ifdef SA_NOCLDWAIT |
2364 | if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN) | |
2365 | act.sa_flags |= SA_NOCLDWAIT; | |
2366 | #endif | |
ff68c719 | 2367 | return sigaction(signo, &act, save); |
2368 | } | |
2369 | ||
2370 | int | |
864dbfa3 | 2371 | Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save) |
ff68c719 | 2372 | { |
2373 | return sigaction(signo, save, (struct sigaction *)NULL); | |
2374 | } | |
2375 | ||
2376 | #else /* !HAS_SIGACTION */ | |
2377 | ||
2378 | Sighandler_t | |
864dbfa3 | 2379 | Perl_rsignal(pTHX_ int signo, Sighandler_t handler) |
ff68c719 | 2380 | { |
6ad3d225 | 2381 | return PerlProc_signal(signo, handler); |
ff68c719 | 2382 | } |
2383 | ||
2384 | static int sig_trapped; | |
2385 | ||
2386 | static | |
2387 | Signal_t | |
4e35701f | 2388 | sig_trap(int signo) |
ff68c719 | 2389 | { |
2390 | sig_trapped++; | |
2391 | } | |
2392 | ||
2393 | Sighandler_t | |
864dbfa3 | 2394 | Perl_rsignal_state(pTHX_ int signo) |
ff68c719 | 2395 | { |
2396 | Sighandler_t oldsig; | |
2397 | ||
2398 | sig_trapped = 0; | |
6ad3d225 GS |
2399 | oldsig = PerlProc_signal(signo, sig_trap); |
2400 | PerlProc_signal(signo, oldsig); | |
ff68c719 | 2401 | if (sig_trapped) |
6ad3d225 | 2402 | PerlProc_kill(getpid(), signo); |
ff68c719 | 2403 | return oldsig; |
2404 | } | |
2405 | ||
2406 | int | |
864dbfa3 | 2407 | Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save) |
ff68c719 | 2408 | { |
6ad3d225 | 2409 | *save = PerlProc_signal(signo, handler); |
ff68c719 | 2410 | return (*save == SIG_ERR) ? -1 : 0; |
2411 | } | |
2412 | ||
2413 | int | |
864dbfa3 | 2414 | Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save) |
ff68c719 | 2415 | { |
6ad3d225 | 2416 | return (PerlProc_signal(signo, *save) == SIG_ERR) ? -1 : 0; |
ff68c719 | 2417 | } |
2418 | ||
2419 | #endif /* !HAS_SIGACTION */ | |
2420 | ||
5f05dabc | 2421 | /* VMS' my_pclose() is in VMS.c; same with OS/2 */ |
092bebab | 2422 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM) |
79072805 | 2423 | I32 |
864dbfa3 | 2424 | Perl_my_pclose(pTHX_ PerlIO *ptr) |
a687059c | 2425 | { |
ff68c719 | 2426 | Sigsave_t hstat, istat, qstat; |
a687059c | 2427 | int status; |
a0d0e21e | 2428 | SV **svp; |
20188a90 | 2429 | int pid; |
1d3434b8 | 2430 | int pid2; |
03136e13 CS |
2431 | bool close_failed; |
2432 | int saved_errno; | |
2433 | #ifdef VMS | |
2434 | int saved_vaxc_errno; | |
2435 | #endif | |
22fae026 TM |
2436 | #ifdef WIN32 |
2437 | int saved_win32_errno; | |
2438 | #endif | |
a687059c | 2439 | |
3280af22 | 2440 | svp = av_fetch(PL_fdpid,PerlIO_fileno(ptr),TRUE); |
748a9306 | 2441 | pid = (int)SvIVX(*svp); |
a0d0e21e | 2442 | SvREFCNT_dec(*svp); |
3280af22 | 2443 | *svp = &PL_sv_undef; |
ddcf38b7 IZ |
2444 | #ifdef OS2 |
2445 | if (pid == -1) { /* Opened by popen. */ | |
2446 | return my_syspclose(ptr); | |
2447 | } | |
2448 | #endif | |
03136e13 CS |
2449 | if ((close_failed = (PerlIO_close(ptr) == EOF))) { |
2450 | saved_errno = errno; | |
2451 | #ifdef VMS | |
2452 | saved_vaxc_errno = vaxc$errno; | |
2453 | #endif | |
22fae026 TM |
2454 | #ifdef WIN32 |
2455 | saved_win32_errno = GetLastError(); | |
2456 | #endif | |
03136e13 | 2457 | } |
7c0587c8 | 2458 | #ifdef UTS |
6ad3d225 | 2459 | if(PerlProc_kill(pid, 0) < 0) { return(pid); } /* HOM 12/23/91 */ |
7c0587c8 | 2460 | #endif |
ff68c719 | 2461 | rsignal_save(SIGHUP, SIG_IGN, &hstat); |
2462 | rsignal_save(SIGINT, SIG_IGN, &istat); | |
2463 | rsignal_save(SIGQUIT, SIG_IGN, &qstat); | |
748a9306 | 2464 | do { |
1d3434b8 GS |
2465 | pid2 = wait4pid(pid, &status, 0); |
2466 | } while (pid2 == -1 && errno == EINTR); | |
ff68c719 | 2467 | rsignal_restore(SIGHUP, &hstat); |
2468 | rsignal_restore(SIGINT, &istat); | |
2469 | rsignal_restore(SIGQUIT, &qstat); | |
03136e13 CS |
2470 | if (close_failed) { |
2471 | SETERRNO(saved_errno, saved_vaxc_errno); | |
2472 | return -1; | |
2473 | } | |
1d3434b8 | 2474 | return(pid2 < 0 ? pid2 : status == 0 ? 0 : (errno = 0, status)); |
20188a90 | 2475 | } |
4633a7c4 LW |
2476 | #endif /* !DOSISH */ |
2477 | ||
8736538c | 2478 | #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32) |
79072805 | 2479 | I32 |
864dbfa3 | 2480 | Perl_wait4pid(pTHX_ int pid, int *statusp, int flags) |
20188a90 | 2481 | { |
79072805 LW |
2482 | SV *sv; |
2483 | SV** svp; | |
fc36a67e | 2484 | char spid[TYPE_CHARS(int)]; |
20188a90 LW |
2485 | |
2486 | if (!pid) | |
2487 | return -1; | |
20188a90 LW |
2488 | if (pid > 0) { |
2489 | sprintf(spid, "%d", pid); | |
3280af22 NIS |
2490 | svp = hv_fetch(PL_pidstatus,spid,strlen(spid),FALSE); |
2491 | if (svp && *svp != &PL_sv_undef) { | |
463ee0b2 | 2492 | *statusp = SvIVX(*svp); |
3280af22 | 2493 | (void)hv_delete(PL_pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 LW |
2494 | return pid; |
2495 | } | |
2496 | } | |
2497 | else { | |
79072805 | 2498 | HE *entry; |
20188a90 | 2499 | |
3280af22 NIS |
2500 | hv_iterinit(PL_pidstatus); |
2501 | if (entry = hv_iternext(PL_pidstatus)) { | |
a0d0e21e | 2502 | pid = atoi(hv_iterkey(entry,(I32*)statusp)); |
3280af22 | 2503 | sv = hv_iterval(PL_pidstatus,entry); |
463ee0b2 | 2504 | *statusp = SvIVX(sv); |
20188a90 | 2505 | sprintf(spid, "%d", pid); |
3280af22 | 2506 | (void)hv_delete(PL_pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 LW |
2507 | return pid; |
2508 | } | |
2509 | } | |
79072805 | 2510 | #ifdef HAS_WAITPID |
367f3c24 IZ |
2511 | # ifdef HAS_WAITPID_RUNTIME |
2512 | if (!HAS_WAITPID_RUNTIME) | |
2513 | goto hard_way; | |
2514 | # endif | |
f55ee38a | 2515 | return PerlProc_waitpid(pid,statusp,flags); |
367f3c24 IZ |
2516 | #endif |
2517 | #if !defined(HAS_WAITPID) && defined(HAS_WAIT4) | |
a0d0e21e | 2518 | return wait4((pid==-1)?0:pid,statusp,flags,Null(struct rusage *)); |
367f3c24 IZ |
2519 | #endif |
2520 | #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) | |
2521 | hard_way: | |
a0d0e21e LW |
2522 | { |
2523 | I32 result; | |
2524 | if (flags) | |
cea2e8a9 | 2525 | Perl_croak(aTHX_ "Can't do waitpid with flags"); |
a0d0e21e | 2526 | else { |
76e3520e | 2527 | while ((result = PerlProc_wait(statusp)) != pid && pid > 0 && result >= 0) |
a0d0e21e LW |
2528 | pidgone(result,*statusp); |
2529 | if (result < 0) | |
2530 | *statusp = -1; | |
2531 | } | |
2532 | return result; | |
a687059c LW |
2533 | } |
2534 | #endif | |
a687059c | 2535 | } |
2d7a9237 | 2536 | #endif /* !DOSISH || OS2 || WIN32 */ |
a687059c | 2537 | |
7c0587c8 | 2538 | void |
de3bb511 | 2539 | /*SUPPRESS 590*/ |
864dbfa3 | 2540 | Perl_pidgone(pTHX_ int pid, int status) |
a687059c | 2541 | { |
79072805 | 2542 | register SV *sv; |
fc36a67e | 2543 | char spid[TYPE_CHARS(int)]; |
a687059c | 2544 | |
20188a90 | 2545 | sprintf(spid, "%d", pid); |
3280af22 | 2546 | sv = *hv_fetch(PL_pidstatus,spid,strlen(spid),TRUE); |
a0d0e21e | 2547 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 | 2548 | SvIVX(sv) = status; |
20188a90 | 2549 | return; |
a687059c LW |
2550 | } |
2551 | ||
55497cff | 2552 | #if defined(atarist) || defined(OS2) || defined(DJGPP) |
7c0587c8 | 2553 | int pclose(); |
ddcf38b7 IZ |
2554 | #ifdef HAS_FORK |
2555 | int /* Cannot prototype with I32 | |
2556 | in os2ish.h. */ | |
ba106d47 | 2557 | my_syspclose(PerlIO *ptr) |
ddcf38b7 | 2558 | #else |
79072805 | 2559 | I32 |
864dbfa3 | 2560 | Perl_my_pclose(pTHX_ PerlIO *ptr) |
ddcf38b7 | 2561 | #endif |
a687059c | 2562 | { |
760ac839 LW |
2563 | /* Needs work for PerlIO ! */ |
2564 | FILE *f = PerlIO_findFILE(ptr); | |
2565 | I32 result = pclose(f); | |
2566 | PerlIO_releaseFILE(ptr,f); | |
2567 | return result; | |
a687059c | 2568 | } |
7c0587c8 | 2569 | #endif |
9f68db38 LW |
2570 | |
2571 | void | |
864dbfa3 | 2572 | Perl_repeatcpy(pTHX_ register char *to, register const char *from, I32 len, register I32 count) |
9f68db38 | 2573 | { |
79072805 | 2574 | register I32 todo; |
08105a92 | 2575 | register const char *frombase = from; |
9f68db38 LW |
2576 | |
2577 | if (len == 1) { | |
08105a92 | 2578 | register const char c = *from; |
9f68db38 | 2579 | while (count-- > 0) |
5926133d | 2580 | *to++ = c; |
9f68db38 LW |
2581 | return; |
2582 | } | |
2583 | while (count-- > 0) { | |
2584 | for (todo = len; todo > 0; todo--) { | |
2585 | *to++ = *from++; | |
2586 | } | |
2587 | from = frombase; | |
2588 | } | |
2589 | } | |
0f85fab0 | 2590 | |
463ee0b2 | 2591 | U32 |
864dbfa3 | 2592 | Perl_cast_ulong(pTHX_ double f) |
0f85fab0 LW |
2593 | { |
2594 | long along; | |
2595 | ||
27e2fb84 | 2596 | #if CASTFLAGS & 2 |
34de22dd LW |
2597 | # define BIGDOUBLE 2147483648.0 |
2598 | if (f >= BIGDOUBLE) | |
2599 | return (unsigned long)(f-(long)(f/BIGDOUBLE)*BIGDOUBLE)|0x80000000; | |
2600 | #endif | |
0f85fab0 LW |
2601 | if (f >= 0.0) |
2602 | return (unsigned long)f; | |
2603 | along = (long)f; | |
2604 | return (unsigned long)along; | |
2605 | } | |
ed6116ce | 2606 | # undef BIGDOUBLE |
5d94fbed | 2607 | |
5d94fbed AD |
2608 | /* Unfortunately, on some systems the cast_uv() function doesn't |
2609 | work with the system-supplied definition of ULONG_MAX. The | |
2610 | comparison (f >= ULONG_MAX) always comes out true. It must be a | |
2611 | problem with the compiler constant folding. | |
2612 | ||
2613 | In any case, this workaround should be fine on any two's complement | |
2614 | system. If it's not, supply a '-DMY_ULONG_MAX=whatever' in your | |
2615 | ccflags. | |
2616 | --Andy Dougherty <doughera@lafcol.lafayette.edu> | |
2617 | */ | |
1eb770ff | 2618 | |
2619 | /* Code modified to prefer proper named type ranges, I32, IV, or UV, instead | |
2620 | of LONG_(MIN/MAX). | |
2621 | -- Kenneth Albanowski <kjahds@kjahds.com> | |
2622 | */ | |
2623 | ||
20cec16a | 2624 | #ifndef MY_UV_MAX |
2625 | # define MY_UV_MAX ((UV)IV_MAX * (UV)2 + (UV)1) | |
5d94fbed AD |
2626 | #endif |
2627 | ||
ed6116ce | 2628 | I32 |
864dbfa3 | 2629 | Perl_cast_i32(pTHX_ double f) |
ed6116ce | 2630 | { |
20cec16a | 2631 | if (f >= I32_MAX) |
2632 | return (I32) I32_MAX; | |
2633 | if (f <= I32_MIN) | |
2634 | return (I32) I32_MIN; | |
ed6116ce LW |
2635 | return (I32) f; |
2636 | } | |
a0d0e21e LW |
2637 | |
2638 | IV | |
864dbfa3 | 2639 | Perl_cast_iv(pTHX_ double f) |
a0d0e21e | 2640 | { |
25da4f38 IZ |
2641 | if (f >= IV_MAX) { |
2642 | UV uv; | |
2643 | ||
2644 | if (f >= (double)UV_MAX) | |
2645 | return (IV) UV_MAX; | |
2646 | uv = (UV) f; | |
2647 | return (IV)uv; | |
2648 | } | |
20cec16a | 2649 | if (f <= IV_MIN) |
2650 | return (IV) IV_MIN; | |
a0d0e21e LW |
2651 | return (IV) f; |
2652 | } | |
5d94fbed AD |
2653 | |
2654 | UV | |
864dbfa3 | 2655 | Perl_cast_uv(pTHX_ double f) |
5d94fbed | 2656 | { |
20cec16a | 2657 | if (f >= MY_UV_MAX) |
2658 | return (UV) MY_UV_MAX; | |
25da4f38 IZ |
2659 | if (f < 0) { |
2660 | IV iv; | |
2661 | ||
2662 | if (f < IV_MIN) | |
2663 | return (UV)IV_MIN; | |
2664 | iv = (IV) f; | |
2665 | return (UV) iv; | |
2666 | } | |
5d94fbed AD |
2667 | return (UV) f; |
2668 | } | |
2669 | ||
fe14fcc3 | 2670 | #ifndef HAS_RENAME |
79072805 | 2671 | I32 |
864dbfa3 | 2672 | Perl_same_dirent(pTHX_ char *a, char *b) |
62b28dd9 | 2673 | { |
93a17b20 LW |
2674 | char *fa = strrchr(a,'/'); |
2675 | char *fb = strrchr(b,'/'); | |
62b28dd9 LW |
2676 | struct stat tmpstatbuf1; |
2677 | struct stat tmpstatbuf2; | |
46fc3d4c | 2678 | SV *tmpsv = sv_newmortal(); |
62b28dd9 LW |
2679 | |
2680 | if (fa) | |
2681 | fa++; | |
2682 | else | |
2683 | fa = a; | |
2684 | if (fb) | |
2685 | fb++; | |
2686 | else | |
2687 | fb = b; | |
2688 | if (strNE(a,b)) | |
2689 | return FALSE; | |
2690 | if (fa == a) | |
46fc3d4c | 2691 | sv_setpv(tmpsv, "."); |
62b28dd9 | 2692 | else |
46fc3d4c | 2693 | sv_setpvn(tmpsv, a, fa - a); |
c6ed36e1 | 2694 | if (PerlLIO_stat(SvPVX(tmpsv), &tmpstatbuf1) < 0) |
62b28dd9 LW |
2695 | return FALSE; |
2696 | if (fb == b) | |
46fc3d4c | 2697 | sv_setpv(tmpsv, "."); |
62b28dd9 | 2698 | else |
46fc3d4c | 2699 | sv_setpvn(tmpsv, b, fb - b); |
c6ed36e1 | 2700 | if (PerlLIO_stat(SvPVX(tmpsv), &tmpstatbuf2) < 0) |
62b28dd9 LW |
2701 | return FALSE; |
2702 | return tmpstatbuf1.st_dev == tmpstatbuf2.st_dev && | |
2703 | tmpstatbuf1.st_ino == tmpstatbuf2.st_ino; | |
2704 | } | |
fe14fcc3 LW |
2705 | #endif /* !HAS_RENAME */ |
2706 | ||
55497cff | 2707 | UV |
864dbfa3 | 2708 | Perl_scan_bin(pTHX_ char *start, I32 len, I32 *retlen) |
4f19785b WSI |
2709 | { |
2710 | register char *s = start; | |
2711 | register UV retval = 0; | |
2712 | bool overflowed = FALSE; | |
2713 | while (len && *s >= '0' && *s <= '1') { | |
2714 | register UV n = retval << 1; | |
2715 | if (!overflowed && (n >> 1) != retval) { | |
cea2e8a9 | 2716 | Perl_warn(aTHX_ "Integer overflow in binary number"); |
4f19785b WSI |
2717 | overflowed = TRUE; |
2718 | } | |
2719 | retval = n | (*s++ - '0'); | |
2720 | len--; | |
2721 | } | |
6529e8bd | 2722 | if (len && (*s >= '2' && *s <= '9')) { |
4f19785b WSI |
2723 | dTHR; |
2724 | if (ckWARN(WARN_UNSAFE)) | |
cea2e8a9 | 2725 | Perl_warner(aTHX_ WARN_UNSAFE, "Illegal binary digit '%c' ignored", *s); |
4f19785b WSI |
2726 | } |
2727 | *retlen = s - start; | |
2728 | return retval; | |
2729 | } | |
2730 | UV | |
864dbfa3 | 2731 | Perl_scan_oct(pTHX_ char *start, I32 len, I32 *retlen) |
fe14fcc3 LW |
2732 | { |
2733 | register char *s = start; | |
55497cff | 2734 | register UV retval = 0; |
2735 | bool overflowed = FALSE; | |
fe14fcc3 | 2736 | |
748a9306 | 2737 | while (len && *s >= '0' && *s <= '7') { |
55497cff | 2738 | register UV n = retval << 3; |
2739 | if (!overflowed && (n >> 3) != retval) { | |
cea2e8a9 | 2740 | Perl_warn(aTHX_ "Integer overflow in octal number"); |
55497cff | 2741 | overflowed = TRUE; |
2742 | } | |
2743 | retval = n | (*s++ - '0'); | |
748a9306 | 2744 | len--; |
fe14fcc3 | 2745 | } |
d008e5eb GS |
2746 | if (len && (*s == '8' || *s == '9')) { |
2747 | dTHR; | |
2748 | if (ckWARN(WARN_OCTAL)) | |
cea2e8a9 | 2749 | Perl_warner(aTHX_ WARN_OCTAL, "Illegal octal digit '%c' ignored", *s); |
d008e5eb | 2750 | } |
fe14fcc3 LW |
2751 | *retlen = s - start; |
2752 | return retval; | |
2753 | } | |
2754 | ||
71be2cbc | 2755 | UV |
864dbfa3 | 2756 | Perl_scan_hex(pTHX_ char *start, I32 len, I32 *retlen) |
fe14fcc3 LW |
2757 | { |
2758 | register char *s = start; | |
55497cff | 2759 | register UV retval = 0; |
2760 | bool overflowed = FALSE; | |
6ff81951 | 2761 | char *tmp = s; |
a0ed51b3 | 2762 | register UV n; |
fe14fcc3 | 2763 | |
a0ed51b3 LW |
2764 | while (len-- && *s) { |
2765 | tmp = strchr((char *) PL_hexdigit, *s++); | |
2766 | if (!tmp) { | |
e3fdf988 | 2767 | if (*(s-1) == '_' || (*(s-1) == 'x' && retval == 0)) |
a0ed51b3 LW |
2768 | continue; |
2769 | else { | |
d008e5eb | 2770 | dTHR; |
a0ed51b3 | 2771 | --s; |
599cee73 | 2772 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 2773 | Perl_warner(aTHX_ WARN_UNSAFE,"Illegal hex digit '%c' ignored", *s); |
a0ed51b3 LW |
2774 | break; |
2775 | } | |
2776 | } | |
2777 | n = retval << 4; | |
55497cff | 2778 | if (!overflowed && (n >> 4) != retval) { |
cea2e8a9 | 2779 | Perl_warn(aTHX_ "Integer overflow in hex number"); |
55497cff | 2780 | overflowed = TRUE; |
2781 | } | |
3280af22 | 2782 | retval = n | ((tmp - PL_hexdigit) & 15); |
6ff81951 | 2783 | } |
fe14fcc3 LW |
2784 | *retlen = s - start; |
2785 | return retval; | |
2786 | } | |
760ac839 | 2787 | |
491527d0 | 2788 | char* |
864dbfa3 | 2789 | Perl_find_script(pTHX_ char *scriptname, bool dosearch, char **search_ext, I32 flags) |
491527d0 GS |
2790 | { |
2791 | dTHR; | |
2792 | char *xfound = Nullch; | |
2793 | char *xfailed = Nullch; | |
0f31cffe | 2794 | char tmpbuf[MAXPATHLEN]; |
491527d0 GS |
2795 | register char *s; |
2796 | I32 len; | |
2797 | int retval; | |
2798 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
2799 | # define SEARCH_EXTS ".bat", ".cmd", NULL | |
2800 | # define MAX_EXT_LEN 4 | |
2801 | #endif | |
2802 | #ifdef OS2 | |
2803 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
2804 | # define MAX_EXT_LEN 4 | |
2805 | #endif | |
2806 | #ifdef VMS | |
2807 | # define SEARCH_EXTS ".pl", ".com", NULL | |
2808 | # define MAX_EXT_LEN 4 | |
2809 | #endif | |
2810 | /* additional extensions to try in each dir if scriptname not found */ | |
2811 | #ifdef SEARCH_EXTS | |
2812 | char *exts[] = { SEARCH_EXTS }; | |
2813 | char **ext = search_ext ? search_ext : exts; | |
2814 | int extidx = 0, i = 0; | |
2815 | char *curext = Nullch; | |
2816 | #else | |
2817 | # define MAX_EXT_LEN 0 | |
2818 | #endif | |
2819 | ||
2820 | /* | |
2821 | * If dosearch is true and if scriptname does not contain path | |
2822 | * delimiters, search the PATH for scriptname. | |
2823 | * | |
2824 | * If SEARCH_EXTS is also defined, will look for each | |
2825 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
2826 | * while searching the PATH. | |
2827 | * | |
2828 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
2829 | * proceeds as follows: | |
2830 | * If DOSISH or VMSISH: | |
2831 | * + look for ./scriptname{,.foo,.bar} | |
2832 | * + search the PATH for scriptname{,.foo,.bar} | |
2833 | * | |
2834 | * If !DOSISH: | |
2835 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
2836 | * this will not look in '.' if it's not in the PATH) | |
2837 | */ | |
84486fc6 | 2838 | tmpbuf[0] = '\0'; |
491527d0 GS |
2839 | |
2840 | #ifdef VMS | |
2841 | # ifdef ALWAYS_DEFTYPES | |
2842 | len = strlen(scriptname); | |
2843 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
2844 | int hasdir, idx = 0, deftypes = 1; | |
2845 | bool seen_dot = 1; | |
2846 | ||
2847 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
2848 | # else | |
2849 | if (dosearch) { | |
2850 | int hasdir, idx = 0, deftypes = 1; | |
2851 | bool seen_dot = 1; | |
2852 | ||
2853 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
2854 | # endif | |
2855 | /* The first time through, just add SEARCH_EXTS to whatever we | |
2856 | * already have, so we can check for default file types. */ | |
2857 | while (deftypes || | |
84486fc6 | 2858 | (!hasdir && my_trnlnm("DCL$PATH",tmpbuf,idx++)) ) |
491527d0 GS |
2859 | { |
2860 | if (deftypes) { | |
2861 | deftypes = 0; | |
84486fc6 | 2862 | *tmpbuf = '\0'; |
491527d0 | 2863 | } |
84486fc6 GS |
2864 | if ((strlen(tmpbuf) + strlen(scriptname) |
2865 | + MAX_EXT_LEN) >= sizeof tmpbuf) | |
491527d0 | 2866 | continue; /* don't search dir with too-long name */ |
84486fc6 | 2867 | strcat(tmpbuf, scriptname); |
491527d0 GS |
2868 | #else /* !VMS */ |
2869 | ||
2870 | #ifdef DOSISH | |
2871 | if (strEQ(scriptname, "-")) | |
2872 | dosearch = 0; | |
2873 | if (dosearch) { /* Look in '.' first. */ | |
2874 | char *cur = scriptname; | |
2875 | #ifdef SEARCH_EXTS | |
2876 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
2877 | while (ext[i]) | |
2878 | if (strEQ(ext[i++],curext)) { | |
2879 | extidx = -1; /* already has an ext */ | |
2880 | break; | |
2881 | } | |
2882 | do { | |
2883 | #endif | |
2884 | DEBUG_p(PerlIO_printf(Perl_debug_log, | |
2885 | "Looking for %s\n",cur)); | |
017f25f1 IZ |
2886 | if (PerlLIO_stat(cur,&PL_statbuf) >= 0 |
2887 | && !S_ISDIR(PL_statbuf.st_mode)) { | |
491527d0 GS |
2888 | dosearch = 0; |
2889 | scriptname = cur; | |
2890 | #ifdef SEARCH_EXTS | |
2891 | break; | |
2892 | #endif | |
2893 | } | |
2894 | #ifdef SEARCH_EXTS | |
2895 | if (cur == scriptname) { | |
2896 | len = strlen(scriptname); | |
84486fc6 | 2897 | if (len+MAX_EXT_LEN+1 >= sizeof(tmpbuf)) |
491527d0 | 2898 | break; |
84486fc6 | 2899 | cur = strcpy(tmpbuf, scriptname); |
491527d0 GS |
2900 | } |
2901 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
84486fc6 | 2902 | && strcpy(tmpbuf+len, ext[extidx++])); |
491527d0 GS |
2903 | #endif |
2904 | } | |
2905 | #endif | |
2906 | ||
2907 | if (dosearch && !strchr(scriptname, '/') | |
2908 | #ifdef DOSISH | |
2909 | && !strchr(scriptname, '\\') | |
2910 | #endif | |
2911 | && (s = PerlEnv_getenv("PATH"))) { | |
2912 | bool seen_dot = 0; | |
2913 | ||
3280af22 NIS |
2914 | PL_bufend = s + strlen(s); |
2915 | while (s < PL_bufend) { | |
491527d0 GS |
2916 | #if defined(atarist) || defined(DOSISH) |
2917 | for (len = 0; *s | |
2918 | # ifdef atarist | |
2919 | && *s != ',' | |
2920 | # endif | |
2921 | && *s != ';'; len++, s++) { | |
84486fc6 GS |
2922 | if (len < sizeof tmpbuf) |
2923 | tmpbuf[len] = *s; | |
491527d0 | 2924 | } |
84486fc6 GS |
2925 | if (len < sizeof tmpbuf) |
2926 | tmpbuf[len] = '\0'; | |
491527d0 | 2927 | #else /* ! (atarist || DOSISH) */ |
3280af22 | 2928 | s = delimcpy(tmpbuf, tmpbuf + sizeof tmpbuf, s, PL_bufend, |
491527d0 GS |
2929 | ':', |
2930 | &len); | |
2931 | #endif /* ! (atarist || DOSISH) */ | |
3280af22 | 2932 | if (s < PL_bufend) |
491527d0 | 2933 | s++; |
84486fc6 | 2934 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tmpbuf) |
491527d0 GS |
2935 | continue; /* don't search dir with too-long name */ |
2936 | if (len | |
61ae2fbf | 2937 | #if defined(atarist) || defined(__MINT__) || defined(DOSISH) |
84486fc6 GS |
2938 | && tmpbuf[len - 1] != '/' |
2939 | && tmpbuf[len - 1] != '\\' | |
491527d0 GS |
2940 | #endif |
2941 | ) | |
84486fc6 GS |
2942 | tmpbuf[len++] = '/'; |
2943 | if (len == 2 && tmpbuf[0] == '.') | |
491527d0 | 2944 | seen_dot = 1; |
84486fc6 | 2945 | (void)strcpy(tmpbuf + len, scriptname); |
491527d0 GS |
2946 | #endif /* !VMS */ |
2947 | ||
2948 | #ifdef SEARCH_EXTS | |
84486fc6 | 2949 | len = strlen(tmpbuf); |
491527d0 GS |
2950 | if (extidx > 0) /* reset after previous loop */ |
2951 | extidx = 0; | |
2952 | do { | |
2953 | #endif | |
84486fc6 | 2954 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tmpbuf)); |
3280af22 | 2955 | retval = PerlLIO_stat(tmpbuf,&PL_statbuf); |
017f25f1 IZ |
2956 | if (S_ISDIR(PL_statbuf.st_mode)) { |
2957 | retval = -1; | |
2958 | } | |
491527d0 GS |
2959 | #ifdef SEARCH_EXTS |
2960 | } while ( retval < 0 /* not there */ | |
2961 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
84486fc6 | 2962 | && strcpy(tmpbuf+len, ext[extidx++]) |
491527d0 GS |
2963 | ); |
2964 | #endif | |
2965 | if (retval < 0) | |
2966 | continue; | |
3280af22 NIS |
2967 | if (S_ISREG(PL_statbuf.st_mode) |
2968 | && cando(S_IRUSR,TRUE,&PL_statbuf) | |
491527d0 | 2969 | #ifndef DOSISH |
3280af22 | 2970 | && cando(S_IXUSR,TRUE,&PL_statbuf) |
491527d0 GS |
2971 | #endif |
2972 | ) | |
2973 | { | |
84486fc6 | 2974 | xfound = tmpbuf; /* bingo! */ |
491527d0 GS |
2975 | break; |
2976 | } | |
2977 | if (!xfailed) | |
84486fc6 | 2978 | xfailed = savepv(tmpbuf); |
491527d0 GS |
2979 | } |
2980 | #ifndef DOSISH | |
017f25f1 IZ |
2981 | if (!xfound && !seen_dot && !xfailed && |
2982 | (PerlLIO_stat(scriptname,&PL_statbuf) < 0 | |
2983 | || S_ISDIR(PL_statbuf.st_mode))) | |
491527d0 GS |
2984 | #endif |
2985 | seen_dot = 1; /* Disable message. */ | |
9ccb31f9 GS |
2986 | if (!xfound) { |
2987 | if (flags & 1) { /* do or die? */ | |
cea2e8a9 | 2988 | Perl_croak(aTHX_ "Can't %s %s%s%s", |
9ccb31f9 GS |
2989 | (xfailed ? "execute" : "find"), |
2990 | (xfailed ? xfailed : scriptname), | |
2991 | (xfailed ? "" : " on PATH"), | |
2992 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
2993 | } | |
2994 | scriptname = Nullch; | |
2995 | } | |
491527d0 GS |
2996 | if (xfailed) |
2997 | Safefree(xfailed); | |
2998 | scriptname = xfound; | |
2999 | } | |
9ccb31f9 | 3000 | return (scriptname ? savepv(scriptname) : Nullch); |
491527d0 GS |
3001 | } |
3002 | ||
3003 | ||
11343788 | 3004 | #ifdef USE_THREADS |
12ca11f6 MB |
3005 | #ifdef FAKE_THREADS |
3006 | /* Very simplistic scheduler for now */ | |
3007 | void | |
3008 | schedule(void) | |
3009 | { | |
c7848ba1 | 3010 | thr = thr->i.next_run; |
12ca11f6 MB |
3011 | } |
3012 | ||
3013 | void | |
864dbfa3 | 3014 | Perl_cond_init(pTHX_ perl_cond *cp) |
12ca11f6 MB |
3015 | { |
3016 | *cp = 0; | |
3017 | } | |
3018 | ||
3019 | void | |
864dbfa3 | 3020 | Perl_cond_signal(pTHX_ perl_cond *cp) |
12ca11f6 | 3021 | { |
51dd5992 | 3022 | perl_os_thread t; |
12ca11f6 MB |
3023 | perl_cond cond = *cp; |
3024 | ||
3025 | if (!cond) | |
3026 | return; | |
3027 | t = cond->thread; | |
3028 | /* Insert t in the runnable queue just ahead of us */ | |
c7848ba1 MB |
3029 | t->i.next_run = thr->i.next_run; |
3030 | thr->i.next_run->i.prev_run = t; | |
3031 | t->i.prev_run = thr; | |
3032 | thr->i.next_run = t; | |
3033 | thr->i.wait_queue = 0; | |
12ca11f6 MB |
3034 | /* Remove from the wait queue */ |
3035 | *cp = cond->next; | |
3036 | Safefree(cond); | |
3037 | } | |
3038 | ||
3039 | void | |
864dbfa3 | 3040 | Perl_cond_broadcast(pTHX_ perl_cond *cp) |
12ca11f6 | 3041 | { |
51dd5992 | 3042 | perl_os_thread t; |
12ca11f6 MB |
3043 | perl_cond cond, cond_next; |
3044 | ||
3045 | for (cond = *cp; cond; cond = cond_next) { | |
3046 | t = cond->thread; | |
3047 | /* Insert t in the runnable queue just ahead of us */ | |
c7848ba1 MB |
3048 | t->i.next_run = thr->i.next_run; |
3049 | thr->i.next_run->i.prev_run = t; | |
3050 | t->i.prev_run = thr; | |
3051 | thr->i.next_run = t; | |
3052 | thr->i.wait_queue = 0; | |
12ca11f6 MB |
3053 | /* Remove from the wait queue */ |
3054 | cond_next = cond->next; | |
3055 | Safefree(cond); | |
3056 | } | |
3057 | *cp = 0; | |
3058 | } | |
3059 | ||
3060 | void | |
864dbfa3 | 3061 | Perl_cond_wait(pTHX_ perl_cond *cp) |
12ca11f6 MB |
3062 | { |
3063 | perl_cond cond; | |
3064 | ||
c7848ba1 | 3065 | if (thr->i.next_run == thr) |
cea2e8a9 | 3066 | Perl_croak(aTHX_ "panic: perl_cond_wait called by last runnable thread"); |
12ca11f6 | 3067 | |
0f15f207 | 3068 | New(666, cond, 1, struct perl_wait_queue); |
12ca11f6 MB |
3069 | cond->thread = thr; |
3070 | cond->next = *cp; | |
3071 | *cp = cond; | |
c7848ba1 | 3072 | thr->i.wait_queue = cond; |
12ca11f6 | 3073 | /* Remove ourselves from runnable queue */ |
c7848ba1 MB |
3074 | thr->i.next_run->i.prev_run = thr->i.prev_run; |
3075 | thr->i.prev_run->i.next_run = thr->i.next_run; | |
12ca11f6 MB |
3076 | } |
3077 | #endif /* FAKE_THREADS */ | |
3078 | ||
0d85d877 | 3079 | #ifdef PTHREAD_GETSPECIFIC_INT |
52e1cb5e | 3080 | struct perl_thread * |
864dbfa3 | 3081 | Perl_getTHR(pTHX) |
11343788 MB |
3082 | { |
3083 | pthread_addr_t t; | |
3084 | ||
6b88bc9c | 3085 | if (pthread_getspecific(PL_thr_key, &t)) |
cea2e8a9 | 3086 | Perl_croak(aTHX_ "panic: pthread_getspecific"); |
52e1cb5e | 3087 | return (struct perl_thread *) t; |
11343788 | 3088 | } |
0d85d877 | 3089 | #endif |
f93b4edd MB |
3090 | |
3091 | MAGIC * | |
864dbfa3 | 3092 | Perl_condpair_magic(pTHX_ SV *sv) |
f93b4edd MB |
3093 | { |
3094 | MAGIC *mg; | |
3095 | ||
3096 | SvUPGRADE(sv, SVt_PVMG); | |
3097 | mg = mg_find(sv, 'm'); | |
3098 | if (!mg) { | |
3099 | condpair_t *cp; | |
3100 | ||
3101 | New(53, cp, 1, condpair_t); | |
3102 | MUTEX_INIT(&cp->mutex); | |
3103 | COND_INIT(&cp->owner_cond); | |
3104 | COND_INIT(&cp->cond); | |
3105 | cp->owner = 0; | |
28a8573f | 3106 | MUTEX_LOCK(&PL_cred_mutex); /* XXX need separate mutex? */ |
f93b4edd MB |
3107 | mg = mg_find(sv, 'm'); |
3108 | if (mg) { | |
3109 | /* someone else beat us to initialising it */ | |
28a8573f | 3110 | MUTEX_UNLOCK(&PL_cred_mutex); /* XXX need separate mutex? */ |
f93b4edd MB |
3111 | MUTEX_DESTROY(&cp->mutex); |
3112 | COND_DESTROY(&cp->owner_cond); | |
3113 | COND_DESTROY(&cp->cond); | |
3114 | Safefree(cp); | |
3115 | } | |
3116 | else { | |
3117 | sv_magic(sv, Nullsv, 'm', 0, 0); | |
3118 | mg = SvMAGIC(sv); | |
3119 | mg->mg_ptr = (char *)cp; | |
565764a8 | 3120 | mg->mg_len = sizeof(cp); |
28a8573f | 3121 | MUTEX_UNLOCK(&PL_cred_mutex); /* XXX need separate mutex? */ |
8b73bbec | 3122 | DEBUG_S(WITH_THR(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 3123 | "%p: condpair_magic %p\n", thr, sv));) |
f93b4edd MB |
3124 | } |
3125 | } | |
3126 | return mg; | |
3127 | } | |
a863c7d1 MB |
3128 | |
3129 | /* | |
199100c8 MB |
3130 | * Make a new perl thread structure using t as a prototype. Some of the |
3131 | * fields for the new thread are copied from the prototype thread, t, | |
3132 | * so t should not be running in perl at the time this function is | |
3133 | * called. The use by ext/Thread/Thread.xs in core perl (where t is the | |
3134 | * thread calling new_struct_thread) clearly satisfies this constraint. | |
a863c7d1 | 3135 | */ |
52e1cb5e | 3136 | struct perl_thread * |
864dbfa3 | 3137 | Perl_new_struct_thread(pTHX_ struct perl_thread *t) |
a863c7d1 | 3138 | { |
cea2e8a9 | 3139 | #ifndef PERL_IMPLICIT_CONTEXT |
52e1cb5e | 3140 | struct perl_thread *thr; |
cea2e8a9 | 3141 | #endif |
a863c7d1 | 3142 | SV *sv; |
199100c8 MB |
3143 | SV **svp; |
3144 | I32 i; | |
3145 | ||
79cb57f6 | 3146 | sv = newSVpvn("", 0); |
52e1cb5e JH |
3147 | SvGROW(sv, sizeof(struct perl_thread) + 1); |
3148 | SvCUR_set(sv, sizeof(struct perl_thread)); | |
199100c8 | 3149 | thr = (Thread) SvPVX(sv); |
949ced2d | 3150 | #ifdef DEBUGGING |
52e1cb5e | 3151 | memset(thr, 0xab, sizeof(struct perl_thread)); |
533c011a NIS |
3152 | PL_markstack = 0; |
3153 | PL_scopestack = 0; | |
3154 | PL_savestack = 0; | |
3155 | PL_retstack = 0; | |
3156 | PL_dirty = 0; | |
3157 | PL_localizing = 0; | |
949ced2d GS |
3158 | Zero(&PL_hv_fetch_ent_mh, 1, HE); |
3159 | #else | |
3160 | Zero(thr, 1, struct perl_thread); | |
3161 | #endif | |
199100c8 | 3162 | |
cea2e8a9 | 3163 | PL_protect = FUNC_NAME_TO_PTR(Perl_default_protect); |
312caa8e | 3164 | |
199100c8 | 3165 | thr->oursv = sv; |
cea2e8a9 | 3166 | init_stacks(); |
a863c7d1 | 3167 | |
533c011a | 3168 | PL_curcop = &PL_compiling; |
199100c8 | 3169 | thr->cvcache = newHV(); |
54b9620d | 3170 | thr->threadsv = newAV(); |
a863c7d1 | 3171 | thr->specific = newAV(); |
79cb57f6 | 3172 | thr->errsv = newSVpvn("", 0); |
38a03e6e | 3173 | thr->errhv = newHV(); |
a863c7d1 MB |
3174 | thr->flags = THRf_R_JOINABLE; |
3175 | MUTEX_INIT(&thr->mutex); | |
199100c8 | 3176 | |
d55594ae GS |
3177 | /* top_env needs to be non-zero. It points to an area |
3178 | in which longjmp() stuff is stored, as C callstack | |
3179 | info there at least is thread specific this has to | |
3180 | be per-thread. Otherwise a 'die' in a thread gives | |
3181 | that thread the C stack of last thread to do an eval {}! | |
3182 | See comments in scope.h | |
3183 | Initialize top entry (as in perl.c for main thread) | |
3184 | */ | |
533c011a NIS |
3185 | PL_start_env.je_prev = NULL; |
3186 | PL_start_env.je_ret = -1; | |
3187 | PL_start_env.je_mustcatch = TRUE; | |
3188 | PL_top_env = &PL_start_env; | |
3189 | ||
faef0170 | 3190 | PL_in_eval = EVAL_NULL; /* ~(EVAL_INEVAL|EVAL_WARNONLY|EVAL_KEEPERR) */ |
533c011a NIS |
3191 | PL_restartop = 0; |
3192 | ||
b099ddc0 GS |
3193 | PL_statname = NEWSV(66,0); |
3194 | PL_maxscream = -1; | |
cea2e8a9 GS |
3195 | PL_regcompp = FUNC_NAME_TO_PTR(Perl_pregcomp); |
3196 | PL_regexecp = FUNC_NAME_TO_PTR(Perl_regexec_flags); | |
b099ddc0 GS |
3197 | PL_regindent = 0; |
3198 | PL_reginterp_cnt = 0; | |
3199 | PL_lastscream = Nullsv; | |
3200 | PL_screamfirst = 0; | |
3201 | PL_screamnext = 0; | |
3202 | PL_reg_start_tmp = 0; | |
3203 | PL_reg_start_tmpl = 0; | |
3204 | ||
3205 | /* parent thread's data needs to be locked while we make copy */ | |
3206 | MUTEX_LOCK(&t->mutex); | |
3207 | ||
312caa8e CS |
3208 | PL_protect = t->Tprotect; |
3209 | ||
b099ddc0 GS |
3210 | PL_curcop = t->Tcurcop; /* XXX As good a guess as any? */ |
3211 | PL_defstash = t->Tdefstash; /* XXX maybe these should */ | |
3212 | PL_curstash = t->Tcurstash; /* always be set to main? */ | |
3213 | ||
6b88bc9c | 3214 | PL_tainted = t->Ttainted; |
84fee439 NIS |
3215 | PL_curpm = t->Tcurpm; /* XXX No PMOP ref count */ |
3216 | PL_nrs = newSVsv(t->Tnrs); | |
3217 | PL_rs = SvREFCNT_inc(PL_nrs); | |
3218 | PL_last_in_gv = Nullgv; | |
3219 | PL_ofslen = t->Tofslen; | |
3220 | PL_ofs = savepvn(t->Tofs, PL_ofslen); | |
3221 | PL_defoutgv = (GV*)SvREFCNT_inc(t->Tdefoutgv); | |
3222 | PL_chopset = t->Tchopset; | |
3223 | PL_formtarget = newSVsv(t->Tformtarget); | |
3224 | PL_bodytarget = newSVsv(t->Tbodytarget); | |
3225 | PL_toptarget = newSVsv(t->Ttoptarget); | |
533c011a | 3226 | |
54b9620d MB |
3227 | /* Initialise all per-thread SVs that the template thread used */ |
3228 | svp = AvARRAY(t->threadsv); | |
93965878 | 3229 | for (i = 0; i <= AvFILLp(t->threadsv); i++, svp++) { |
533c011a | 3230 | if (*svp && *svp != &PL_sv_undef) { |
199100c8 | 3231 | SV *sv = newSVsv(*svp); |
54b9620d | 3232 | av_store(thr->threadsv, i, sv); |
533c011a | 3233 | sv_magic(sv, 0, 0, &PL_threadsv_names[i], 1); |
8b73bbec | 3234 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
54b9620d | 3235 | "new_struct_thread: copied threadsv %d %p->%p\n",i, t, thr)); |
199100c8 MB |
3236 | } |
3237 | } | |
940cb80d | 3238 | thr->threadsvp = AvARRAY(thr->threadsv); |
199100c8 | 3239 | |
533c011a NIS |
3240 | MUTEX_LOCK(&PL_threads_mutex); |
3241 | PL_nthreads++; | |
3242 | thr->tid = ++PL_threadnum; | |
199100c8 MB |
3243 | thr->next = t->next; |
3244 | thr->prev = t; | |
3245 | t->next = thr; | |
3246 | thr->next->prev = thr; | |
533c011a | 3247 | MUTEX_UNLOCK(&PL_threads_mutex); |
a863c7d1 | 3248 | |
b099ddc0 GS |
3249 | /* done copying parent's state */ |
3250 | MUTEX_UNLOCK(&t->mutex); | |
3251 | ||
a863c7d1 | 3252 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 3253 | Perl_init_thread_intern(thr); |
a863c7d1 | 3254 | #endif /* HAVE_THREAD_INTERN */ |
a863c7d1 MB |
3255 | return thr; |
3256 | } | |
11343788 | 3257 | #endif /* USE_THREADS */ |
760ac839 LW |
3258 | |
3259 | #ifdef HUGE_VAL | |
3260 | /* | |
3261 | * This hack is to force load of "huge" support from libm.a | |
3262 | * So it is in perl for (say) POSIX to use. | |
3263 | * Needed for SunOS with Sun's 'acc' for example. | |
3264 | */ | |
3265 | double | |
8ac85365 | 3266 | Perl_huge(void) |
760ac839 LW |
3267 | { |
3268 | return HUGE_VAL; | |
3269 | } | |
3270 | #endif | |
4e35701f | 3271 | |
22239a37 NIS |
3272 | #ifdef PERL_GLOBAL_STRUCT |
3273 | struct perl_vars * | |
864dbfa3 | 3274 | Perl_GetVars(pTHX) |
22239a37 | 3275 | { |
533c011a | 3276 | return &PL_Vars; |
22239a37 | 3277 | } |
31fb1209 NIS |
3278 | #endif |
3279 | ||
3280 | char ** | |
864dbfa3 | 3281 | Perl_get_op_names(pTHX) |
31fb1209 | 3282 | { |
22c35a8c | 3283 | return PL_op_name; |
31fb1209 NIS |
3284 | } |
3285 | ||
3286 | char ** | |
864dbfa3 | 3287 | Perl_get_op_descs(pTHX) |
31fb1209 | 3288 | { |
22c35a8c | 3289 | return PL_op_desc; |
31fb1209 | 3290 | } |
9e6b2b00 GS |
3291 | |
3292 | char * | |
864dbfa3 | 3293 | Perl_get_no_modify(pTHX) |
9e6b2b00 | 3294 | { |
22c35a8c | 3295 | return (char*)PL_no_modify; |
9e6b2b00 GS |
3296 | } |
3297 | ||
3298 | U32 * | |
864dbfa3 | 3299 | Perl_get_opargs(pTHX) |
9e6b2b00 | 3300 | { |
22c35a8c | 3301 | return PL_opargs; |
9e6b2b00 | 3302 | } |
51aa15f3 | 3303 | |
a6c40364 GS |
3304 | #ifndef HAS_GETENV_LEN |
3305 | char * | |
864dbfa3 | 3306 | Perl_getenv_len(pTHX_ char *env_elem, unsigned long *len) |
a6c40364 GS |
3307 | { |
3308 | char *env_trans = PerlEnv_getenv(env_elem); | |
3309 | if (env_trans) | |
3310 | *len = strlen(env_trans); | |
3311 | return env_trans; | |
f675dbe5 CB |
3312 | } |
3313 | #endif | |
3314 | ||
dc9e4912 GS |
3315 | |
3316 | MGVTBL* | |
864dbfa3 | 3317 | Perl_get_vtbl(pTHX_ int vtbl_id) |
dc9e4912 GS |
3318 | { |
3319 | MGVTBL* result = Null(MGVTBL*); | |
3320 | ||
3321 | switch(vtbl_id) { | |
3322 | case want_vtbl_sv: | |
3323 | result = &PL_vtbl_sv; | |
3324 | break; | |
3325 | case want_vtbl_env: | |
3326 | result = &PL_vtbl_env; | |
3327 | break; | |
3328 | case want_vtbl_envelem: | |
3329 | result = &PL_vtbl_envelem; | |
3330 | break; | |
3331 | case want_vtbl_sig: | |
3332 | result = &PL_vtbl_sig; | |
3333 | break; | |
3334 | case want_vtbl_sigelem: | |
3335 | result = &PL_vtbl_sigelem; | |
3336 | break; | |
3337 | case want_vtbl_pack: | |
3338 | result = &PL_vtbl_pack; | |
3339 | break; | |
3340 | case want_vtbl_packelem: | |
3341 | result = &PL_vtbl_packelem; | |
3342 | break; | |
3343 | case want_vtbl_dbline: | |
3344 | result = &PL_vtbl_dbline; | |
3345 | break; | |
3346 | case want_vtbl_isa: | |
3347 | result = &PL_vtbl_isa; | |
3348 | break; | |
3349 | case want_vtbl_isaelem: | |
3350 | result = &PL_vtbl_isaelem; | |
3351 | break; | |
3352 | case want_vtbl_arylen: | |
3353 | result = &PL_vtbl_arylen; | |
3354 | break; | |
3355 | case want_vtbl_glob: | |
3356 | result = &PL_vtbl_glob; | |
3357 | break; | |
3358 | case want_vtbl_mglob: | |
3359 | result = &PL_vtbl_mglob; | |
3360 | break; | |
3361 | case want_vtbl_nkeys: | |
3362 | result = &PL_vtbl_nkeys; | |
3363 | break; | |
3364 | case want_vtbl_taint: | |
3365 | result = &PL_vtbl_taint; | |
3366 | break; | |
3367 | case want_vtbl_substr: | |
3368 | result = &PL_vtbl_substr; | |
3369 | break; | |
3370 | case want_vtbl_vec: | |
3371 | result = &PL_vtbl_vec; | |
3372 | break; | |
3373 | case want_vtbl_pos: | |
3374 | result = &PL_vtbl_pos; | |
3375 | break; | |
3376 | case want_vtbl_bm: | |
3377 | result = &PL_vtbl_bm; | |
3378 | break; | |
3379 | case want_vtbl_fm: | |
3380 | result = &PL_vtbl_fm; | |
3381 | break; | |
3382 | case want_vtbl_uvar: | |
3383 | result = &PL_vtbl_uvar; | |
3384 | break; | |
3385 | #ifdef USE_THREADS | |
3386 | case want_vtbl_mutex: | |
3387 | result = &PL_vtbl_mutex; | |
3388 | break; | |
3389 | #endif | |
3390 | case want_vtbl_defelem: | |
3391 | result = &PL_vtbl_defelem; | |
3392 | break; | |
3393 | case want_vtbl_regexp: | |
3394 | result = &PL_vtbl_regexp; | |
3395 | break; | |
3396 | case want_vtbl_regdata: | |
3397 | result = &PL_vtbl_regdata; | |
3398 | break; | |
3399 | case want_vtbl_regdatum: | |
3400 | result = &PL_vtbl_regdatum; | |
3401 | break; | |
3c90161d | 3402 | #ifdef USE_LOCALE_COLLATE |
dc9e4912 GS |
3403 | case want_vtbl_collxfrm: |
3404 | result = &PL_vtbl_collxfrm; | |
3405 | break; | |
3c90161d | 3406 | #endif |
dc9e4912 GS |
3407 | case want_vtbl_amagic: |
3408 | result = &PL_vtbl_amagic; | |
3409 | break; | |
3410 | case want_vtbl_amagicelem: | |
3411 | result = &PL_vtbl_amagicelem; | |
3412 | break; | |
810b8aa5 GS |
3413 | case want_vtbl_backref: |
3414 | result = &PL_vtbl_backref; | |
3415 | break; | |
dc9e4912 GS |
3416 | } |
3417 | return result; | |
3418 | } | |
3419 | ||
767df6a1 | 3420 | I32 |
864dbfa3 | 3421 | Perl_my_fflush_all(pTHX) |
767df6a1 JH |
3422 | { |
3423 | #ifdef FFLUSH_NULL | |
ce720889 | 3424 | return PerlIO_flush(NULL); |
767df6a1 JH |
3425 | #else |
3426 | long open_max = -1; | |
ed39a0f2 | 3427 | # if defined(FFLUSH_ALL) && defined(HAS_STDIO_STREAM_ARRAY) |
d2201af2 AD |
3428 | # ifdef PERL_FFLUSH_ALL_FOPEN_MAX |
3429 | open_max = PERL_FFLUSH_ALL_FOPEN_MAX; | |
3430 | # else | |
767df6a1 JH |
3431 | # if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX) |
3432 | open_max = sysconf(_SC_OPEN_MAX); | |
3433 | # else | |
3434 | # ifdef FOPEN_MAX | |
d2201af2 | 3435 | open_max = FOPEN_MAX; |
767df6a1 JH |
3436 | # else |
3437 | # ifdef OPEN_MAX | |
d2201af2 | 3438 | open_max = OPEN_MAX; |
767df6a1 JH |
3439 | # else |
3440 | # ifdef _NFILE | |
d2201af2 | 3441 | open_max = _NFILE; |
767df6a1 JH |
3442 | # endif |
3443 | # endif | |
3444 | # endif | |
3445 | # endif | |
d2201af2 | 3446 | # endif |
767df6a1 JH |
3447 | if (open_max > 0) { |
3448 | long i; | |
3449 | for (i = 0; i < open_max; i++) | |
d2201af2 AD |
3450 | if (STDIO_STREAM_ARRAY[i]._file >= 0 && |
3451 | STDIO_STREAM_ARRAY[i]._file < open_max && | |
3452 | STDIO_STREAM_ARRAY[i]._flag) | |
3453 | PerlIO_flush(&STDIO_STREAM_ARRAY[i]); | |
767df6a1 JH |
3454 | return 0; |
3455 | } | |
3456 | # endif | |
3457 | SETERRNO(EBADF,RMS$_IFI); | |
3458 | return EOF; | |
3459 | #endif | |
3460 | } | |
097ee67d JH |
3461 | |
3462 | double | |
3463 | Perl_my_atof(const char* s) { | |
3464 | #ifdef USE_LOCALE_NUMERIC | |
d43ce814 | 3465 | if ((PL_hints & HINT_LOCALE) && PL_numeric_local) { |
097ee67d JH |
3466 | double x, y; |
3467 | ||
3468 | x = atof(s); | |
3469 | SET_NUMERIC_STANDARD(); | |
3470 | y = atof(s); | |
3471 | SET_NUMERIC_LOCAL(); | |
3472 | if ((y < 0.0 && y < x) || (y > 0.0 && y > x)) | |
3473 | return y; | |
3474 | return x; | |
3475 | } else | |
3476 | return atof(s); | |
3477 | #else | |
3478 | return atof(s); | |
3479 | #endif | |
3480 | } |