Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* util.c |
a687059c | 2 | * |
3818b22b | 3 | * Copyright (c) 1991-2000, 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 | |
64ca3a65 | 19 | #ifndef PERL_MICRO |
e1dfb34b | 20 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
a687059c | 21 | #include <signal.h> |
62b28dd9 | 22 | #endif |
a687059c | 23 | |
36477c24 | 24 | #ifndef SIG_ERR |
25 | # define SIG_ERR ((Sighandler_t) -1) | |
26 | #endif | |
64ca3a65 | 27 | #endif |
36477c24 | 28 | |
a687059c LW |
29 | #ifdef I_VFORK |
30 | # include <vfork.h> | |
31 | #endif | |
32 | ||
94b6baf5 AD |
33 | /* Put this after #includes because fork and vfork prototypes may |
34 | conflict. | |
35 | */ | |
36 | #ifndef HAS_VFORK | |
37 | # define vfork fork | |
38 | #endif | |
39 | ||
ff68c719 | 40 | #ifdef I_SYS_WAIT |
41 | # include <sys/wait.h> | |
42 | #endif | |
43 | ||
097ee67d JH |
44 | #ifdef I_LOCALE |
45 | # include <locale.h> | |
46 | #endif | |
47 | ||
8d063cd8 | 48 | #define FLUSH |
8d063cd8 | 49 | |
a0d0e21e | 50 | #ifdef LEAKTEST |
a0d0e21e | 51 | |
8c52afec IZ |
52 | long xcount[MAXXCOUNT]; |
53 | long lastxcount[MAXXCOUNT]; | |
54 | long xycount[MAXXCOUNT][MAXYCOUNT]; | |
55 | long lastxycount[MAXXCOUNT][MAXYCOUNT]; | |
56 | ||
a0d0e21e | 57 | #endif |
a863c7d1 | 58 | |
16cebae2 GS |
59 | #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC) |
60 | # define FD_CLOEXEC 1 /* NeXT needs this */ | |
61 | #endif | |
62 | ||
f2517201 | 63 | /* paranoid version of system's malloc() */ |
8d063cd8 | 64 | |
a687059c LW |
65 | /* NOTE: Do not call the next three routines directly. Use the macros |
66 | * in handy.h, so that we can easily redefine everything to do tracking of | |
67 | * allocated hunks back to the original New to track down any memory leaks. | |
20cec16a | 68 | * XXX This advice seems to be widely ignored :-( --AD August 1996. |
a687059c LW |
69 | */ |
70 | ||
bd4080b3 | 71 | Malloc_t |
4f63d024 | 72 | Perl_safesysmalloc(MEM_SIZE size) |
8d063cd8 | 73 | { |
54aff467 | 74 | dTHX; |
bd4080b3 | 75 | Malloc_t ptr; |
55497cff | 76 | #ifdef HAS_64K_LIMIT |
62b28dd9 | 77 | if (size > 0xffff) { |
bf49b057 | 78 | PerlIO_printf(Perl_error_log, |
16cebae2 | 79 | "Allocation too large: %lx\n", size) FLUSH; |
54aff467 | 80 | my_exit(1); |
62b28dd9 | 81 | } |
55497cff | 82 | #endif /* HAS_64K_LIMIT */ |
34de22dd LW |
83 | #ifdef DEBUGGING |
84 | if ((long)size < 0) | |
4f63d024 | 85 | Perl_croak_nocontext("panic: malloc"); |
34de22dd | 86 | #endif |
12ae5dfc | 87 | ptr = (Malloc_t)PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */ |
da927450 | 88 | PERL_ALLOC_CHECK(ptr); |
97835f67 | 89 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) malloc %ld bytes\n",PTR2UV(ptr),(long)PL_an++,(long)size)); |
8d063cd8 LW |
90 | if (ptr != Nullch) |
91 | return ptr; | |
3280af22 | 92 | else if (PL_nomemok) |
7c0587c8 | 93 | return Nullch; |
8d063cd8 | 94 | else { |
bf49b057 | 95 | PerlIO_puts(Perl_error_log,PL_no_mem) FLUSH; |
54aff467 | 96 | my_exit(1); |
4e35701f | 97 | return Nullch; |
8d063cd8 LW |
98 | } |
99 | /*NOTREACHED*/ | |
100 | } | |
101 | ||
f2517201 | 102 | /* paranoid version of system's realloc() */ |
8d063cd8 | 103 | |
bd4080b3 | 104 | Malloc_t |
4f63d024 | 105 | Perl_safesysrealloc(Malloc_t where,MEM_SIZE size) |
8d063cd8 | 106 | { |
54aff467 | 107 | dTHX; |
bd4080b3 | 108 | Malloc_t ptr; |
9a34ef1d | 109 | #if !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) && !defined(PERL_MICRO) |
6ad3d225 | 110 | Malloc_t PerlMem_realloc(); |
ecfc5424 | 111 | #endif /* !defined(STANDARD_C) && !defined(HAS_REALLOC_PROTOTYPE) */ |
8d063cd8 | 112 | |
a1d180c4 | 113 | #ifdef HAS_64K_LIMIT |
5f05dabc | 114 | if (size > 0xffff) { |
bf49b057 | 115 | PerlIO_printf(Perl_error_log, |
5f05dabc | 116 | "Reallocation too large: %lx\n", size) FLUSH; |
54aff467 | 117 | my_exit(1); |
5f05dabc | 118 | } |
55497cff | 119 | #endif /* HAS_64K_LIMIT */ |
7614df0c | 120 | if (!size) { |
f2517201 | 121 | safesysfree(where); |
7614df0c JD |
122 | return NULL; |
123 | } | |
124 | ||
378cc40b | 125 | if (!where) |
f2517201 | 126 | return safesysmalloc(size); |
34de22dd LW |
127 | #ifdef DEBUGGING |
128 | if ((long)size < 0) | |
4f63d024 | 129 | Perl_croak_nocontext("panic: realloc"); |
34de22dd | 130 | #endif |
12ae5dfc | 131 | ptr = (Malloc_t)PerlMem_realloc(where,size); |
da927450 | 132 | PERL_ALLOC_CHECK(ptr); |
a1d180c4 | 133 | |
97835f67 JH |
134 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) rfree\n",PTR2UV(where),(long)PL_an++)); |
135 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) realloc %ld bytes\n",PTR2UV(ptr),(long)PL_an++,(long)size)); | |
79072805 | 136 | |
8d063cd8 LW |
137 | if (ptr != Nullch) |
138 | return ptr; | |
3280af22 | 139 | else if (PL_nomemok) |
7c0587c8 | 140 | return Nullch; |
8d063cd8 | 141 | else { |
bf49b057 | 142 | PerlIO_puts(Perl_error_log,PL_no_mem) FLUSH; |
54aff467 | 143 | my_exit(1); |
4e35701f | 144 | return Nullch; |
8d063cd8 LW |
145 | } |
146 | /*NOTREACHED*/ | |
147 | } | |
148 | ||
f2517201 | 149 | /* safe version of system's free() */ |
8d063cd8 | 150 | |
54310121 | 151 | Free_t |
4f63d024 | 152 | Perl_safesysfree(Malloc_t where) |
8d063cd8 | 153 | { |
155aba94 | 154 | #ifdef PERL_IMPLICIT_SYS |
54aff467 | 155 | dTHX; |
155aba94 | 156 | #endif |
97835f67 | 157 | DEBUG_m( PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) free\n",PTR2UV(where),(long)PL_an++)); |
378cc40b | 158 | if (where) { |
de3bb511 | 159 | /*SUPPRESS 701*/ |
6ad3d225 | 160 | PerlMem_free(where); |
378cc40b | 161 | } |
8d063cd8 LW |
162 | } |
163 | ||
f2517201 | 164 | /* safe version of system's calloc() */ |
1050c9ca | 165 | |
bd4080b3 | 166 | Malloc_t |
4f63d024 | 167 | Perl_safesyscalloc(MEM_SIZE count, MEM_SIZE size) |
1050c9ca | 168 | { |
54aff467 | 169 | dTHX; |
bd4080b3 | 170 | Malloc_t ptr; |
1050c9ca | 171 | |
55497cff | 172 | #ifdef HAS_64K_LIMIT |
5f05dabc | 173 | if (size * count > 0xffff) { |
bf49b057 | 174 | PerlIO_printf(Perl_error_log, |
5f05dabc | 175 | "Allocation too large: %lx\n", size * count) FLUSH; |
54aff467 | 176 | my_exit(1); |
5f05dabc | 177 | } |
55497cff | 178 | #endif /* HAS_64K_LIMIT */ |
1050c9ca | 179 | #ifdef DEBUGGING |
180 | if ((long)size < 0 || (long)count < 0) | |
4f63d024 | 181 | Perl_croak_nocontext("panic: calloc"); |
1050c9ca | 182 | #endif |
0b7c1c42 | 183 | size *= count; |
12ae5dfc | 184 | ptr = (Malloc_t)PerlMem_malloc(size?size:1); /* malloc(0) is NASTY on our system */ |
da927450 | 185 | PERL_ALLOC_CHECK(ptr); |
97835f67 | 186 | DEBUG_m(PerlIO_printf(Perl_debug_log, "0x%"UVxf": (%05ld) calloc %ld x %ld bytes\n",PTR2UV(ptr),(long)PL_an++,(long)count,(long)size)); |
1050c9ca | 187 | if (ptr != Nullch) { |
188 | memset((void*)ptr, 0, size); | |
189 | return ptr; | |
190 | } | |
3280af22 | 191 | else if (PL_nomemok) |
1050c9ca | 192 | return Nullch; |
193 | else { | |
bf49b057 | 194 | PerlIO_puts(Perl_error_log,PL_no_mem) FLUSH; |
54aff467 | 195 | my_exit(1); |
4e35701f | 196 | return Nullch; |
1050c9ca | 197 | } |
198 | /*NOTREACHED*/ | |
199 | } | |
200 | ||
a687059c LW |
201 | #ifdef LEAKTEST |
202 | ||
8c52afec IZ |
203 | struct mem_test_strut { |
204 | union { | |
205 | long type; | |
206 | char c[2]; | |
207 | } u; | |
208 | long size; | |
209 | }; | |
210 | ||
211 | # define ALIGN sizeof(struct mem_test_strut) | |
212 | ||
213 | # define sizeof_chunk(ch) (((struct mem_test_strut*) (ch))->size) | |
214 | # define typeof_chunk(ch) \ | |
215 | (((struct mem_test_strut*) (ch))->u.c[0] + ((struct mem_test_strut*) (ch))->u.c[1]*100) | |
216 | # define set_typeof_chunk(ch,t) \ | |
217 | (((struct mem_test_strut*) (ch))->u.c[0] = t % 100, ((struct mem_test_strut*) (ch))->u.c[1] = t / 100) | |
218 | #define SIZE_TO_Y(size) ( (size) > MAXY_SIZE \ | |
219 | ? MAXYCOUNT - 1 \ | |
220 | : ( (size) > 40 \ | |
221 | ? ((size) - 1)/8 + 5 \ | |
222 | : ((size) - 1)/4)) | |
8d063cd8 | 223 | |
bd4080b3 | 224 | Malloc_t |
4f63d024 | 225 | Perl_safexmalloc(I32 x, MEM_SIZE size) |
8d063cd8 | 226 | { |
8c52afec | 227 | register char* where = (char*)safemalloc(size + ALIGN); |
8d063cd8 | 228 | |
8c52afec IZ |
229 | xcount[x] += size; |
230 | xycount[x][SIZE_TO_Y(size)]++; | |
231 | set_typeof_chunk(where, x); | |
232 | sizeof_chunk(where) = size; | |
233 | return (Malloc_t)(where + ALIGN); | |
8d063cd8 | 234 | } |
8d063cd8 | 235 | |
bd4080b3 | 236 | Malloc_t |
4f63d024 | 237 | Perl_safexrealloc(Malloc_t wh, MEM_SIZE size) |
a687059c | 238 | { |
8c52afec IZ |
239 | char *where = (char*)wh; |
240 | ||
241 | if (!wh) | |
242 | return safexmalloc(0,size); | |
a1d180c4 | 243 | |
8c52afec IZ |
244 | { |
245 | MEM_SIZE old = sizeof_chunk(where - ALIGN); | |
246 | int t = typeof_chunk(where - ALIGN); | |
247 | register char* new = (char*)saferealloc(where - ALIGN, size + ALIGN); | |
a1d180c4 | 248 | |
8c52afec IZ |
249 | xycount[t][SIZE_TO_Y(old)]--; |
250 | xycount[t][SIZE_TO_Y(size)]++; | |
251 | xcount[t] += size - old; | |
252 | sizeof_chunk(new) = size; | |
253 | return (Malloc_t)(new + ALIGN); | |
254 | } | |
a687059c LW |
255 | } |
256 | ||
257 | void | |
4f63d024 | 258 | Perl_safexfree(Malloc_t wh) |
a687059c | 259 | { |
79072805 | 260 | I32 x; |
8c52afec IZ |
261 | char *where = (char*)wh; |
262 | MEM_SIZE size; | |
a1d180c4 | 263 | |
a687059c LW |
264 | if (!where) |
265 | return; | |
266 | where -= ALIGN; | |
8c52afec | 267 | size = sizeof_chunk(where); |
a687059c | 268 | x = where[0] + 100 * where[1]; |
8c52afec IZ |
269 | xcount[x] -= size; |
270 | xycount[x][SIZE_TO_Y(size)]--; | |
a687059c LW |
271 | safefree(where); |
272 | } | |
273 | ||
bd4080b3 | 274 | Malloc_t |
4f63d024 | 275 | Perl_safexcalloc(I32 x,MEM_SIZE count, MEM_SIZE size) |
1050c9ca | 276 | { |
8c52afec IZ |
277 | register char * where = (char*)safexmalloc(x, size * count + ALIGN); |
278 | xcount[x] += size; | |
279 | xycount[x][SIZE_TO_Y(size)]++; | |
280 | memset((void*)(where + ALIGN), 0, size * count); | |
281 | set_typeof_chunk(where, x); | |
282 | sizeof_chunk(where) = size; | |
283 | return (Malloc_t)(where + ALIGN); | |
1050c9ca | 284 | } |
285 | ||
864dbfa3 | 286 | STATIC void |
cea2e8a9 | 287 | S_xstat(pTHX_ int flag) |
8d063cd8 | 288 | { |
8c52afec IZ |
289 | register I32 i, j, total = 0; |
290 | I32 subtot[MAXYCOUNT]; | |
8d063cd8 | 291 | |
8c52afec IZ |
292 | for (j = 0; j < MAXYCOUNT; j++) { |
293 | subtot[j] = 0; | |
294 | } | |
a1d180c4 | 295 | |
bf49b057 | 296 | PerlIO_printf(Perl_debug_log, " Id subtot 4 8 12 16 20 24 28 32 36 40 48 56 64 72 80 80+\n", total); |
a687059c | 297 | for (i = 0; i < MAXXCOUNT; i++) { |
8c52afec IZ |
298 | total += xcount[i]; |
299 | for (j = 0; j < MAXYCOUNT; j++) { | |
300 | subtot[j] += xycount[i][j]; | |
301 | } | |
302 | if (flag == 0 | |
303 | ? xcount[i] /* Have something */ | |
a1d180c4 | 304 | : (flag == 2 |
8c52afec IZ |
305 | ? xcount[i] != lastxcount[i] /* Changed */ |
306 | : xcount[i] > lastxcount[i])) { /* Growed */ | |
a1d180c4 | 307 | PerlIO_printf(Perl_debug_log,"%2d %02d %7ld ", i / 100, i % 100, |
8c52afec | 308 | flag == 2 ? xcount[i] - lastxcount[i] : xcount[i]); |
a687059c | 309 | lastxcount[i] = xcount[i]; |
8c52afec | 310 | for (j = 0; j < MAXYCOUNT; j++) { |
a1d180c4 | 311 | if ( flag == 0 |
8c52afec | 312 | ? xycount[i][j] /* Have something */ |
a1d180c4 | 313 | : (flag == 2 |
8c52afec IZ |
314 | ? xycount[i][j] != lastxycount[i][j] /* Changed */ |
315 | : xycount[i][j] > lastxycount[i][j])) { /* Growed */ | |
a1d180c4 NIS |
316 | PerlIO_printf(Perl_debug_log,"%3ld ", |
317 | flag == 2 | |
318 | ? xycount[i][j] - lastxycount[i][j] | |
8c52afec IZ |
319 | : xycount[i][j]); |
320 | lastxycount[i][j] = xycount[i][j]; | |
321 | } else { | |
bf49b057 | 322 | PerlIO_printf(Perl_debug_log, " . ", xycount[i][j]); |
8c52afec IZ |
323 | } |
324 | } | |
bf49b057 | 325 | PerlIO_printf(Perl_debug_log, "\n"); |
8c52afec IZ |
326 | } |
327 | } | |
328 | if (flag != 2) { | |
bf49b057 | 329 | PerlIO_printf(Perl_debug_log, "Total %7ld ", total); |
8c52afec IZ |
330 | for (j = 0; j < MAXYCOUNT; j++) { |
331 | if (subtot[j]) { | |
bf49b057 | 332 | PerlIO_printf(Perl_debug_log, "%3ld ", subtot[j]); |
8c52afec | 333 | } else { |
bf49b057 | 334 | PerlIO_printf(Perl_debug_log, " . "); |
8c52afec | 335 | } |
8d063cd8 | 336 | } |
bf49b057 | 337 | PerlIO_printf(Perl_debug_log, "\n"); |
8d063cd8 | 338 | } |
8d063cd8 | 339 | } |
a687059c LW |
340 | |
341 | #endif /* LEAKTEST */ | |
8d063cd8 LW |
342 | |
343 | /* copy a string up to some (non-backslashed) delimiter, if any */ | |
344 | ||
345 | char * | |
864dbfa3 | 346 | Perl_delimcpy(pTHX_ register char *to, register char *toend, register char *from, register char *fromend, register int delim, I32 *retlen) |
8d063cd8 | 347 | { |
fc36a67e | 348 | register I32 tolen; |
349 | for (tolen = 0; from < fromend; from++, tolen++) { | |
378cc40b LW |
350 | if (*from == '\\') { |
351 | if (from[1] == delim) | |
352 | from++; | |
fc36a67e | 353 | else { |
354 | if (to < toend) | |
355 | *to++ = *from; | |
356 | tolen++; | |
357 | from++; | |
358 | } | |
378cc40b | 359 | } |
bedebaa5 | 360 | else if (*from == delim) |
8d063cd8 | 361 | break; |
fc36a67e | 362 | if (to < toend) |
363 | *to++ = *from; | |
8d063cd8 | 364 | } |
bedebaa5 CS |
365 | if (to < toend) |
366 | *to = '\0'; | |
fc36a67e | 367 | *retlen = tolen; |
8d063cd8 LW |
368 | return from; |
369 | } | |
370 | ||
371 | /* return ptr to little string in big string, NULL if not found */ | |
378cc40b | 372 | /* This routine was donated by Corey Satten. */ |
8d063cd8 LW |
373 | |
374 | char * | |
864dbfa3 | 375 | Perl_instr(pTHX_ register const char *big, register const char *little) |
378cc40b | 376 | { |
08105a92 | 377 | register const char *s, *x; |
79072805 | 378 | register I32 first; |
378cc40b | 379 | |
a687059c | 380 | if (!little) |
08105a92 | 381 | return (char*)big; |
a687059c | 382 | first = *little++; |
378cc40b | 383 | if (!first) |
08105a92 | 384 | return (char*)big; |
378cc40b LW |
385 | while (*big) { |
386 | if (*big++ != first) | |
387 | continue; | |
388 | for (x=big,s=little; *s; /**/ ) { | |
389 | if (!*x) | |
390 | return Nullch; | |
391 | if (*s++ != *x++) { | |
392 | s--; | |
393 | break; | |
394 | } | |
395 | } | |
396 | if (!*s) | |
08105a92 | 397 | return (char*)(big-1); |
378cc40b LW |
398 | } |
399 | return Nullch; | |
400 | } | |
8d063cd8 | 401 | |
a687059c LW |
402 | /* same as instr but allow embedded nulls */ |
403 | ||
404 | char * | |
864dbfa3 | 405 | Perl_ninstr(pTHX_ register const char *big, register const char *bigend, const char *little, const char *lend) |
8d063cd8 | 406 | { |
08105a92 | 407 | register const char *s, *x; |
79072805 | 408 | register I32 first = *little; |
08105a92 | 409 | register const char *littleend = lend; |
378cc40b | 410 | |
a0d0e21e | 411 | if (!first && little >= littleend) |
08105a92 | 412 | return (char*)big; |
de3bb511 LW |
413 | if (bigend - big < littleend - little) |
414 | return Nullch; | |
a687059c LW |
415 | bigend -= littleend - little++; |
416 | while (big <= bigend) { | |
417 | if (*big++ != first) | |
418 | continue; | |
419 | for (x=big,s=little; s < littleend; /**/ ) { | |
420 | if (*s++ != *x++) { | |
421 | s--; | |
422 | break; | |
423 | } | |
424 | } | |
425 | if (s >= littleend) | |
08105a92 | 426 | return (char*)(big-1); |
378cc40b | 427 | } |
a687059c LW |
428 | return Nullch; |
429 | } | |
430 | ||
431 | /* reverse of the above--find last substring */ | |
432 | ||
433 | char * | |
864dbfa3 | 434 | Perl_rninstr(pTHX_ register const char *big, const char *bigend, const char *little, const char *lend) |
a687059c | 435 | { |
08105a92 GS |
436 | register const char *bigbeg; |
437 | register const char *s, *x; | |
79072805 | 438 | register I32 first = *little; |
08105a92 | 439 | register const char *littleend = lend; |
a687059c | 440 | |
a0d0e21e | 441 | if (!first && little >= littleend) |
08105a92 | 442 | return (char*)bigend; |
a687059c LW |
443 | bigbeg = big; |
444 | big = bigend - (littleend - little++); | |
445 | while (big >= bigbeg) { | |
446 | if (*big-- != first) | |
447 | continue; | |
448 | for (x=big+2,s=little; s < littleend; /**/ ) { | |
449 | if (*s++ != *x++) { | |
450 | s--; | |
451 | break; | |
452 | } | |
453 | } | |
454 | if (s >= littleend) | |
08105a92 | 455 | return (char*)(big+1); |
378cc40b | 456 | } |
a687059c | 457 | return Nullch; |
378cc40b | 458 | } |
a687059c | 459 | |
bbce6d69 | 460 | /* |
461 | * Set up for a new ctype locale. | |
462 | */ | |
55497cff | 463 | void |
ff4fed7c | 464 | Perl_new_ctype(pTHX_ char *newctype) |
ef7eada9 | 465 | { |
36477c24 | 466 | #ifdef USE_LOCALE_CTYPE |
467 | ||
bbce6d69 | 468 | int i; |
ef7eada9 | 469 | |
bbce6d69 | 470 | for (i = 0; i < 256; i++) { |
471 | if (isUPPER_LC(i)) | |
22c35a8c | 472 | PL_fold_locale[i] = toLOWER_LC(i); |
bbce6d69 | 473 | else if (isLOWER_LC(i)) |
22c35a8c | 474 | PL_fold_locale[i] = toUPPER_LC(i); |
bbce6d69 | 475 | else |
22c35a8c | 476 | PL_fold_locale[i] = i; |
bbce6d69 | 477 | } |
bbce6d69 | 478 | |
36477c24 | 479 | #endif /* USE_LOCALE_CTYPE */ |
480 | } | |
bbce6d69 | 481 | |
482 | /* | |
ff4fed7c VK |
483 | * Standardize the locale name from a string returned by 'setlocale'. |
484 | * | |
485 | * The standard return value of setlocale() is either | |
486 | * (1) "xx_YY" if the first argument of setlocale() is not LC_ALL | |
487 | * (2) "xa_YY xb_YY ..." if the first argument of setlocale() is LC_ALL | |
488 | * (the space-separated values represent the various sublocales, | |
489 | * in some unspecificed order) | |
490 | * | |
491 | * In some platforms it has a form like "LC_SOMETHING=Lang_Country.866\n", | |
492 | * which is harmful for further use of the string in setlocale(). | |
493 | * | |
494 | */ | |
495 | STATIC char * | |
496 | S_stdize_locale(pTHX_ char *locs) | |
497 | { | |
498 | char *s; | |
499 | bool okay = TRUE; | |
500 | ||
501 | if ((s = strchr(locs, '='))) { | |
502 | char *t; | |
503 | ||
504 | okay = FALSE; | |
505 | if ((t = strchr(s, '.'))) { | |
506 | char *u; | |
507 | ||
508 | if ((u = strchr(t, '\n'))) { | |
509 | ||
510 | if (u[1] == 0) { | |
511 | STRLEN len = u - s; | |
a528dad0 | 512 | Move(s + 1, locs, len, char); |
ff4fed7c VK |
513 | locs[len] = 0; |
514 | okay = TRUE; | |
515 | } | |
516 | } | |
517 | } | |
518 | } | |
519 | ||
520 | if (!okay) | |
521 | Perl_croak(aTHX_ "Can't fix broken locale name \"%s\"", locs); | |
522 | ||
523 | return locs; | |
524 | } | |
525 | ||
526 | /* | |
bbce6d69 | 527 | * Set up for a new collation locale. |
528 | */ | |
529 | void | |
ff4fed7c | 530 | Perl_new_collate(pTHX_ char *newcoll) |
bbce6d69 | 531 | { |
36477c24 | 532 | #ifdef USE_LOCALE_COLLATE |
533 | ||
bbce6d69 | 534 | if (! newcoll) { |
3280af22 NIS |
535 | if (PL_collation_name) { |
536 | ++PL_collation_ix; | |
537 | Safefree(PL_collation_name); | |
538 | PL_collation_name = NULL; | |
bbce6d69 | 539 | } |
ff4fed7c VK |
540 | PL_collation_standard = TRUE; |
541 | PL_collxfrm_base = 0; | |
542 | PL_collxfrm_mult = 2; | |
bbce6d69 | 543 | return; |
544 | } | |
545 | ||
3280af22 NIS |
546 | if (! PL_collation_name || strNE(PL_collation_name, newcoll)) { |
547 | ++PL_collation_ix; | |
548 | Safefree(PL_collation_name); | |
ff4fed7c | 549 | PL_collation_name = stdize_locale(savepv(newcoll)); |
3280af22 | 550 | PL_collation_standard = (strEQ(newcoll, "C") || strEQ(newcoll, "POSIX")); |
bbce6d69 | 551 | |
bbce6d69 | 552 | { |
553 | /* 2: at most so many chars ('a', 'b'). */ | |
554 | /* 50: surely no system expands a char more. */ | |
555 | #define XFRMBUFSIZE (2 * 50) | |
556 | char xbuf[XFRMBUFSIZE]; | |
557 | Size_t fa = strxfrm(xbuf, "a", XFRMBUFSIZE); | |
558 | Size_t fb = strxfrm(xbuf, "ab", XFRMBUFSIZE); | |
559 | SSize_t mult = fb - fa; | |
560 | if (mult < 1) | |
cea2e8a9 | 561 | Perl_croak(aTHX_ "strxfrm() gets absurd"); |
3280af22 NIS |
562 | PL_collxfrm_base = (fa > mult) ? (fa - mult) : 0; |
563 | PL_collxfrm_mult = mult; | |
bbce6d69 | 564 | } |
bbce6d69 | 565 | } |
bbce6d69 | 566 | |
36477c24 | 567 | #endif /* USE_LOCALE_COLLATE */ |
568 | } | |
bbce6d69 | 569 | |
097ee67d | 570 | void |
51371543 | 571 | Perl_set_numeric_radix(pTHX) |
097ee67d JH |
572 | { |
573 | #ifdef USE_LOCALE_NUMERIC | |
574 | # ifdef HAS_LOCALECONV | |
575 | struct lconv* lc; | |
576 | ||
577 | lc = localeconv(); | |
578 | if (lc && lc->decimal_point) | |
579 | /* We assume that decimal separator aka the radix | |
580 | * character is always a single character. If it | |
581 | * ever is a string, this needs to be rethunk. */ | |
582 | PL_numeric_radix = *lc->decimal_point; | |
583 | else | |
584 | PL_numeric_radix = 0; | |
585 | # endif /* HAS_LOCALECONV */ | |
097ee67d JH |
586 | #endif /* USE_LOCALE_NUMERIC */ |
587 | } | |
588 | ||
bbce6d69 | 589 | /* |
590 | * Set up for a new numeric locale. | |
591 | */ | |
592 | void | |
ff4fed7c | 593 | Perl_new_numeric(pTHX_ char *newnum) |
bbce6d69 | 594 | { |
36477c24 | 595 | #ifdef USE_LOCALE_NUMERIC |
596 | ||
bbce6d69 | 597 | if (! newnum) { |
3280af22 NIS |
598 | if (PL_numeric_name) { |
599 | Safefree(PL_numeric_name); | |
600 | PL_numeric_name = NULL; | |
bbce6d69 | 601 | } |
ff4fed7c VK |
602 | PL_numeric_standard = TRUE; |
603 | PL_numeric_local = TRUE; | |
bbce6d69 | 604 | return; |
605 | } | |
606 | ||
3280af22 NIS |
607 | if (! PL_numeric_name || strNE(PL_numeric_name, newnum)) { |
608 | Safefree(PL_numeric_name); | |
ff4fed7c | 609 | PL_numeric_name = stdize_locale(savepv(newnum)); |
3280af22 NIS |
610 | PL_numeric_standard = (strEQ(newnum, "C") || strEQ(newnum, "POSIX")); |
611 | PL_numeric_local = TRUE; | |
51371543 | 612 | set_numeric_radix(); |
bbce6d69 | 613 | } |
36477c24 | 614 | |
615 | #endif /* USE_LOCALE_NUMERIC */ | |
bbce6d69 | 616 | } |
617 | ||
618 | void | |
864dbfa3 | 619 | Perl_set_numeric_standard(pTHX) |
bbce6d69 | 620 | { |
5f05dabc | 621 | #ifdef USE_LOCALE_NUMERIC |
622 | ||
3280af22 | 623 | if (! PL_numeric_standard) { |
bbce6d69 | 624 | setlocale(LC_NUMERIC, "C"); |
3280af22 NIS |
625 | PL_numeric_standard = TRUE; |
626 | PL_numeric_local = FALSE; | |
ff4fed7c | 627 | set_numeric_radix(); |
bbce6d69 | 628 | } |
5f05dabc | 629 | |
630 | #endif /* USE_LOCALE_NUMERIC */ | |
bbce6d69 | 631 | } |
632 | ||
633 | void | |
864dbfa3 | 634 | Perl_set_numeric_local(pTHX) |
bbce6d69 | 635 | { |
5f05dabc | 636 | #ifdef USE_LOCALE_NUMERIC |
637 | ||
3280af22 NIS |
638 | if (! PL_numeric_local) { |
639 | setlocale(LC_NUMERIC, PL_numeric_name); | |
640 | PL_numeric_standard = FALSE; | |
641 | PL_numeric_local = TRUE; | |
51371543 | 642 | set_numeric_radix(); |
bbce6d69 | 643 | } |
bbce6d69 | 644 | |
36477c24 | 645 | #endif /* USE_LOCALE_NUMERIC */ |
5f05dabc | 646 | } |
36477c24 | 647 | |
36477c24 | 648 | /* |
649 | * Initialize locale awareness. | |
650 | */ | |
f0c5b223 | 651 | int |
864dbfa3 | 652 | Perl_init_i18nl10n(pTHX_ int printwarn) |
f0c5b223 TB |
653 | { |
654 | int ok = 1; | |
655 | /* returns | |
656 | * 1 = set ok or not applicable, | |
657 | * 0 = fallback to C locale, | |
658 | * -1 = fallback to C locale failed | |
659 | */ | |
bbce6d69 | 660 | |
36477c24 | 661 | #ifdef USE_LOCALE |
bbce6d69 | 662 | |
36477c24 | 663 | #ifdef USE_LOCALE_CTYPE |
bbce6d69 | 664 | char *curctype = NULL; |
36477c24 | 665 | #endif /* USE_LOCALE_CTYPE */ |
666 | #ifdef USE_LOCALE_COLLATE | |
bbce6d69 | 667 | char *curcoll = NULL; |
36477c24 | 668 | #endif /* USE_LOCALE_COLLATE */ |
669 | #ifdef USE_LOCALE_NUMERIC | |
bbce6d69 | 670 | char *curnum = NULL; |
36477c24 | 671 | #endif /* USE_LOCALE_NUMERIC */ |
3aeabbed JH |
672 | #ifdef __GLIBC__ |
673 | char *language = PerlEnv_getenv("LANGUAGE"); | |
674 | #endif | |
76e3520e GS |
675 | char *lc_all = PerlEnv_getenv("LC_ALL"); |
676 | char *lang = PerlEnv_getenv("LANG"); | |
bbce6d69 | 677 | bool setlocale_failure = FALSE; |
f0c5b223 | 678 | |
02b32252 CS |
679 | #ifdef LOCALE_ENVIRON_REQUIRED |
680 | ||
681 | /* | |
682 | * Ultrix setlocale(..., "") fails if there are no environment | |
683 | * variables from which to get a locale name. | |
684 | */ | |
685 | ||
686 | bool done = FALSE; | |
687 | ||
688 | #ifdef LC_ALL | |
689 | if (lang) { | |
690 | if (setlocale(LC_ALL, "")) | |
691 | done = TRUE; | |
692 | else | |
693 | setlocale_failure = TRUE; | |
694 | } | |
0644c9cb | 695 | if (!setlocale_failure) { |
02b32252 | 696 | #ifdef USE_LOCALE_CTYPE |
0644c9cb IS |
697 | if (! (curctype = |
698 | setlocale(LC_CTYPE, | |
699 | (!done && (lang || PerlEnv_getenv("LC_CTYPE"))) | |
02b32252 CS |
700 | ? "" : Nullch))) |
701 | setlocale_failure = TRUE; | |
f4182098 AB |
702 | else |
703 | curctype = savepv(curctype); | |
02b32252 CS |
704 | #endif /* USE_LOCALE_CTYPE */ |
705 | #ifdef USE_LOCALE_COLLATE | |
0644c9cb IS |
706 | if (! (curcoll = |
707 | setlocale(LC_COLLATE, | |
708 | (!done && (lang || PerlEnv_getenv("LC_COLLATE"))) | |
02b32252 CS |
709 | ? "" : Nullch))) |
710 | setlocale_failure = TRUE; | |
f4182098 AB |
711 | else |
712 | curcoll = savepv(curcoll); | |
02b32252 CS |
713 | #endif /* USE_LOCALE_COLLATE */ |
714 | #ifdef USE_LOCALE_NUMERIC | |
0644c9cb IS |
715 | if (! (curnum = |
716 | setlocale(LC_NUMERIC, | |
717 | (!done && (lang || PerlEnv_getenv("LC_NUMERIC"))) | |
02b32252 CS |
718 | ? "" : Nullch))) |
719 | setlocale_failure = TRUE; | |
f4182098 AB |
720 | else |
721 | curnum = savepv(curnum); | |
02b32252 CS |
722 | #endif /* USE_LOCALE_NUMERIC */ |
723 | } | |
724 | ||
0644c9cb | 725 | #endif /* LC_ALL */ |
02b32252 | 726 | |
0644c9cb | 727 | #endif /* !LOCALE_ENVIRON_REQUIRED */ |
5f05dabc | 728 | |
0644c9cb | 729 | #ifdef LC_ALL |
bbce6d69 | 730 | if (! setlocale(LC_ALL, "")) |
731 | setlocale_failure = TRUE; | |
0644c9cb | 732 | #endif /* LC_ALL */ |
bbce6d69 | 733 | |
0644c9cb | 734 | if (!setlocale_failure) { |
36477c24 | 735 | #ifdef USE_LOCALE_CTYPE |
0644c9cb IS |
736 | if (! (curctype = setlocale(LC_CTYPE, ""))) |
737 | setlocale_failure = TRUE; | |
f4182098 AB |
738 | else |
739 | curctype = savepv(curctype); | |
36477c24 | 740 | #endif /* USE_LOCALE_CTYPE */ |
741 | #ifdef USE_LOCALE_COLLATE | |
0644c9cb IS |
742 | if (! (curcoll = setlocale(LC_COLLATE, ""))) |
743 | setlocale_failure = TRUE; | |
f4182098 AB |
744 | else |
745 | curcoll = savepv(curcoll); | |
36477c24 | 746 | #endif /* USE_LOCALE_COLLATE */ |
747 | #ifdef USE_LOCALE_NUMERIC | |
0644c9cb IS |
748 | if (! (curnum = setlocale(LC_NUMERIC, ""))) |
749 | setlocale_failure = TRUE; | |
f4182098 AB |
750 | else |
751 | curnum = savepv(curnum); | |
36477c24 | 752 | #endif /* USE_LOCALE_NUMERIC */ |
0644c9cb | 753 | } |
02b32252 | 754 | |
5f05dabc | 755 | if (setlocale_failure) { |
756 | char *p; | |
a1d180c4 | 757 | bool locwarn = (printwarn > 1 || |
155aba94 GS |
758 | (printwarn && |
759 | (!(p = PerlEnv_getenv("PERL_BADLANG")) || atoi(p)))); | |
20cec16a | 760 | |
5f05dabc | 761 | if (locwarn) { |
762 | #ifdef LC_ALL | |
a1d180c4 | 763 | |
bf49b057 | 764 | PerlIO_printf(Perl_error_log, |
5f05dabc | 765 | "perl: warning: Setting locale failed.\n"); |
766 | ||
767 | #else /* !LC_ALL */ | |
a1d180c4 | 768 | |
bf49b057 | 769 | PerlIO_printf(Perl_error_log, |
bbce6d69 | 770 | "perl: warning: Setting locale failed for the categories:\n\t"); |
36477c24 | 771 | #ifdef USE_LOCALE_CTYPE |
bbce6d69 | 772 | if (! curctype) |
bf49b057 | 773 | PerlIO_printf(Perl_error_log, "LC_CTYPE "); |
36477c24 | 774 | #endif /* USE_LOCALE_CTYPE */ |
775 | #ifdef USE_LOCALE_COLLATE | |
bbce6d69 | 776 | if (! curcoll) |
bf49b057 | 777 | PerlIO_printf(Perl_error_log, "LC_COLLATE "); |
36477c24 | 778 | #endif /* USE_LOCALE_COLLATE */ |
779 | #ifdef USE_LOCALE_NUMERIC | |
bbce6d69 | 780 | if (! curnum) |
bf49b057 | 781 | PerlIO_printf(Perl_error_log, "LC_NUMERIC "); |
36477c24 | 782 | #endif /* USE_LOCALE_NUMERIC */ |
bf49b057 | 783 | PerlIO_printf(Perl_error_log, "\n"); |
bbce6d69 | 784 | |
5f05dabc | 785 | #endif /* LC_ALL */ |
786 | ||
bf49b057 | 787 | PerlIO_printf(Perl_error_log, |
bbce6d69 | 788 | "perl: warning: Please check that your locale settings:\n"); |
ef7eada9 | 789 | |
3aeabbed | 790 | #ifdef __GLIBC__ |
bf49b057 | 791 | PerlIO_printf(Perl_error_log, |
3aeabbed JH |
792 | "\tLANGUAGE = %c%s%c,\n", |
793 | language ? '"' : '(', | |
794 | language ? language : "unset", | |
795 | language ? '"' : ')'); | |
796 | #endif | |
797 | ||
bf49b057 | 798 | PerlIO_printf(Perl_error_log, |
bbce6d69 | 799 | "\tLC_ALL = %c%s%c,\n", |
800 | lc_all ? '"' : '(', | |
801 | lc_all ? lc_all : "unset", | |
802 | lc_all ? '"' : ')'); | |
5f05dabc | 803 | |
804 | { | |
805 | char **e; | |
806 | for (e = environ; *e; e++) { | |
807 | if (strnEQ(*e, "LC_", 3) | |
808 | && strnNE(*e, "LC_ALL=", 7) | |
809 | && (p = strchr(*e, '='))) | |
bf49b057 | 810 | PerlIO_printf(Perl_error_log, "\t%.*s = \"%s\",\n", |
fb73857a | 811 | (int)(p - *e), *e, p + 1); |
5f05dabc | 812 | } |
813 | } | |
814 | ||
bf49b057 | 815 | PerlIO_printf(Perl_error_log, |
bbce6d69 | 816 | "\tLANG = %c%s%c\n", |
5f05dabc | 817 | lang ? '"' : '(', |
bbce6d69 | 818 | lang ? lang : "unset", |
819 | lang ? '"' : ')'); | |
ef7eada9 | 820 | |
bf49b057 | 821 | PerlIO_printf(Perl_error_log, |
bbce6d69 | 822 | " are supported and installed on your system.\n"); |
5f05dabc | 823 | } |
ef7eada9 | 824 | |
5f05dabc | 825 | #ifdef LC_ALL |
826 | ||
827 | if (setlocale(LC_ALL, "C")) { | |
828 | if (locwarn) | |
bf49b057 | 829 | PerlIO_printf(Perl_error_log, |
5f05dabc | 830 | "perl: warning: Falling back to the standard locale (\"C\").\n"); |
bbce6d69 | 831 | ok = 0; |
ef7eada9 | 832 | } |
5f05dabc | 833 | else { |
834 | if (locwarn) | |
bf49b057 | 835 | PerlIO_printf(Perl_error_log, |
5f05dabc | 836 | "perl: warning: Failed to fall back to the standard locale (\"C\").\n"); |
837 | ok = -1; | |
838 | } | |
bbce6d69 | 839 | |
5f05dabc | 840 | #else /* ! LC_ALL */ |
841 | ||
842 | if (0 | |
36477c24 | 843 | #ifdef USE_LOCALE_CTYPE |
5f05dabc | 844 | || !(curctype || setlocale(LC_CTYPE, "C")) |
36477c24 | 845 | #endif /* USE_LOCALE_CTYPE */ |
846 | #ifdef USE_LOCALE_COLLATE | |
5f05dabc | 847 | || !(curcoll || setlocale(LC_COLLATE, "C")) |
36477c24 | 848 | #endif /* USE_LOCALE_COLLATE */ |
849 | #ifdef USE_LOCALE_NUMERIC | |
5f05dabc | 850 | || !(curnum || setlocale(LC_NUMERIC, "C")) |
36477c24 | 851 | #endif /* USE_LOCALE_NUMERIC */ |
5f05dabc | 852 | ) |
853 | { | |
854 | if (locwarn) | |
bf49b057 | 855 | PerlIO_printf(Perl_error_log, |
5f05dabc | 856 | "perl: warning: Cannot fall back to the standard locale (\"C\").\n"); |
857 | ok = -1; | |
bbce6d69 | 858 | } |
5f05dabc | 859 | |
bbce6d69 | 860 | #endif /* ! LC_ALL */ |
5f05dabc | 861 | |
862 | #ifdef USE_LOCALE_CTYPE | |
f4182098 | 863 | curctype = savepv(setlocale(LC_CTYPE, Nullch)); |
5f05dabc | 864 | #endif /* USE_LOCALE_CTYPE */ |
865 | #ifdef USE_LOCALE_COLLATE | |
f4182098 | 866 | curcoll = savepv(setlocale(LC_COLLATE, Nullch)); |
5f05dabc | 867 | #endif /* USE_LOCALE_COLLATE */ |
868 | #ifdef USE_LOCALE_NUMERIC | |
f4182098 | 869 | curnum = savepv(setlocale(LC_NUMERIC, Nullch)); |
5f05dabc | 870 | #endif /* USE_LOCALE_NUMERIC */ |
ef7eada9 | 871 | } |
f4182098 | 872 | else { |
ef7eada9 | 873 | |
36477c24 | 874 | #ifdef USE_LOCALE_CTYPE |
864dbfa3 | 875 | new_ctype(curctype); |
36477c24 | 876 | #endif /* USE_LOCALE_CTYPE */ |
bbce6d69 | 877 | |
36477c24 | 878 | #ifdef USE_LOCALE_COLLATE |
864dbfa3 | 879 | new_collate(curcoll); |
36477c24 | 880 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 881 | |
36477c24 | 882 | #ifdef USE_LOCALE_NUMERIC |
864dbfa3 | 883 | new_numeric(curnum); |
36477c24 | 884 | #endif /* USE_LOCALE_NUMERIC */ |
f4182098 | 885 | } |
ef7eada9 | 886 | |
36477c24 | 887 | #endif /* USE_LOCALE */ |
ef7eada9 | 888 | |
f4182098 AB |
889 | #ifdef USE_LOCALE_CTYPE |
890 | if (curctype != NULL) | |
891 | Safefree(curctype); | |
892 | #endif /* USE_LOCALE_CTYPE */ | |
893 | #ifdef USE_LOCALE_COLLATE | |
894 | if (curcoll != NULL) | |
895 | Safefree(curcoll); | |
896 | #endif /* USE_LOCALE_COLLATE */ | |
897 | #ifdef USE_LOCALE_NUMERIC | |
898 | if (curnum != NULL) | |
899 | Safefree(curnum); | |
900 | #endif /* USE_LOCALE_NUMERIC */ | |
f0c5b223 TB |
901 | return ok; |
902 | } | |
903 | ||
bbce6d69 | 904 | /* Backwards compatibility. */ |
905 | int | |
864dbfa3 | 906 | Perl_init_i18nl14n(pTHX_ int printwarn) |
bbce6d69 | 907 | { |
864dbfa3 | 908 | return init_i18nl10n(printwarn); |
bbce6d69 | 909 | } |
ef7eada9 | 910 | |
36477c24 | 911 | #ifdef USE_LOCALE_COLLATE |
ef7eada9 | 912 | |
bbce6d69 | 913 | /* |
914 | * mem_collxfrm() is a bit like strxfrm() but with two important | |
915 | * differences. First, it handles embedded NULs. Second, it allocates | |
916 | * a bit more memory than needed for the transformed data itself. | |
917 | * The real transformed data begins at offset sizeof(collationix). | |
918 | * Please see sv_collxfrm() to see how this is used. | |
919 | */ | |
920 | char * | |
864dbfa3 | 921 | Perl_mem_collxfrm(pTHX_ const char *s, STRLEN len, STRLEN *xlen) |
bbce6d69 | 922 | { |
923 | char *xbuf; | |
76e3520e | 924 | STRLEN xAlloc, xin, xout; /* xalloc is a reserved word in VC */ |
bbce6d69 | 925 | |
926 | /* the first sizeof(collationix) bytes are used by sv_collxfrm(). */ | |
927 | /* the +1 is for the terminating NUL. */ | |
928 | ||
3280af22 | 929 | xAlloc = sizeof(PL_collation_ix) + PL_collxfrm_base + (PL_collxfrm_mult * len) + 1; |
76e3520e | 930 | New(171, xbuf, xAlloc, char); |
bbce6d69 | 931 | if (! xbuf) |
932 | goto bad; | |
933 | ||
3280af22 NIS |
934 | *(U32*)xbuf = PL_collation_ix; |
935 | xout = sizeof(PL_collation_ix); | |
bbce6d69 | 936 | for (xin = 0; xin < len; ) { |
937 | SSize_t xused; | |
938 | ||
939 | for (;;) { | |
76e3520e | 940 | xused = strxfrm(xbuf + xout, s + xin, xAlloc - xout); |
bbce6d69 | 941 | if (xused == -1) |
942 | goto bad; | |
76e3520e | 943 | if (xused < xAlloc - xout) |
bbce6d69 | 944 | break; |
76e3520e GS |
945 | xAlloc = (2 * xAlloc) + 1; |
946 | Renew(xbuf, xAlloc, char); | |
bbce6d69 | 947 | if (! xbuf) |
948 | goto bad; | |
949 | } | |
ef7eada9 | 950 | |
bbce6d69 | 951 | xin += strlen(s + xin) + 1; |
952 | xout += xused; | |
953 | ||
954 | /* Embedded NULs are understood but silently skipped | |
955 | * because they make no sense in locale collation. */ | |
956 | } | |
ef7eada9 | 957 | |
bbce6d69 | 958 | xbuf[xout] = '\0'; |
3280af22 | 959 | *xlen = xout - sizeof(PL_collation_ix); |
bbce6d69 | 960 | return xbuf; |
961 | ||
962 | bad: | |
963 | Safefree(xbuf); | |
964 | *xlen = 0; | |
965 | return NULL; | |
ef7eada9 JH |
966 | } |
967 | ||
36477c24 | 968 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 969 | |
cf93c79d IZ |
970 | #define FBM_TABLE_OFFSET 2 /* Number of bytes between EOS and table*/ |
971 | ||
972 | /* As a space optimization, we do not compile tables for strings of length | |
973 | 0 and 1, and for strings of length 2 unless FBMcf_TAIL. These are | |
974 | special-cased in fbm_instr(). | |
975 | ||
976 | If FBMcf_TAIL, the table is created as if the string has a trailing \n. */ | |
977 | ||
954c1994 GS |
978 | /* |
979 | =for apidoc fbm_compile | |
980 | ||
981 | Analyses the string in order to make fast searches on it using fbm_instr() | |
982 | -- the Boyer-Moore algorithm. | |
983 | ||
984 | =cut | |
985 | */ | |
986 | ||
378cc40b | 987 | void |
7506f9c3 | 988 | Perl_fbm_compile(pTHX_ SV *sv, U32 flags) |
378cc40b | 989 | { |
942e002e GS |
990 | register U8 *s; |
991 | register U8 *table; | |
79072805 | 992 | register U32 i; |
0b71040e | 993 | STRLEN len; |
79072805 LW |
994 | I32 rarest = 0; |
995 | U32 frequency = 256; | |
996 | ||
cf93c79d IZ |
997 | if (flags & FBMcf_TAIL) |
998 | sv_catpvn(sv, "\n", 1); /* Taken into account in fbm_instr() */ | |
942e002e | 999 | s = (U8*)SvPV_force(sv, len); |
07f14f54 | 1000 | (void)SvUPGRADE(sv, SVt_PVBM); |
cf93c79d IZ |
1001 | if (len == 0) /* TAIL might be on on a zero-length string. */ |
1002 | return; | |
02128f11 | 1003 | if (len > 2) { |
7506f9c3 | 1004 | U8 mlen; |
cf93c79d IZ |
1005 | unsigned char *sb; |
1006 | ||
7506f9c3 | 1007 | if (len > 255) |
cf93c79d | 1008 | mlen = 255; |
7506f9c3 GS |
1009 | else |
1010 | mlen = (U8)len; | |
1011 | Sv_Grow(sv, len + 256 + FBM_TABLE_OFFSET); | |
cf93c79d | 1012 | table = (unsigned char*)(SvPVX(sv) + len + FBM_TABLE_OFFSET); |
7506f9c3 GS |
1013 | s = table - 1 - FBM_TABLE_OFFSET; /* last char */ |
1014 | memset((void*)table, mlen, 256); | |
1015 | table[-1] = (U8)flags; | |
02128f11 | 1016 | i = 0; |
7506f9c3 | 1017 | sb = s - mlen + 1; /* first char (maybe) */ |
cf93c79d IZ |
1018 | while (s >= sb) { |
1019 | if (table[*s] == mlen) | |
7506f9c3 | 1020 | table[*s] = (U8)i; |
cf93c79d IZ |
1021 | s--, i++; |
1022 | } | |
378cc40b | 1023 | } |
bbce6d69 | 1024 | sv_magic(sv, Nullsv, 'B', Nullch, 0); /* deep magic */ |
79072805 | 1025 | SvVALID_on(sv); |
378cc40b | 1026 | |
463ee0b2 | 1027 | s = (unsigned char*)(SvPVX(sv)); /* deeper magic */ |
bbce6d69 | 1028 | for (i = 0; i < len; i++) { |
22c35a8c | 1029 | if (PL_freq[s[i]] < frequency) { |
bbce6d69 | 1030 | rarest = i; |
22c35a8c | 1031 | frequency = PL_freq[s[i]]; |
378cc40b LW |
1032 | } |
1033 | } | |
79072805 LW |
1034 | BmRARE(sv) = s[rarest]; |
1035 | BmPREVIOUS(sv) = rarest; | |
cf93c79d IZ |
1036 | BmUSEFUL(sv) = 100; /* Initial value */ |
1037 | if (flags & FBMcf_TAIL) | |
1038 | SvTAIL_on(sv); | |
7506f9c3 GS |
1039 | DEBUG_r(PerlIO_printf(Perl_debug_log, "rarest char %c at %d\n", |
1040 | BmRARE(sv),BmPREVIOUS(sv))); | |
378cc40b LW |
1041 | } |
1042 | ||
cf93c79d IZ |
1043 | /* If SvTAIL(littlestr), it has a fake '\n' at end. */ |
1044 | /* If SvTAIL is actually due to \Z or \z, this gives false positives | |
1045 | if multiline */ | |
1046 | ||
954c1994 GS |
1047 | /* |
1048 | =for apidoc fbm_instr | |
1049 | ||
1050 | Returns the location of the SV in the string delimited by C<str> and | |
1051 | C<strend>. It returns C<Nullch> if the string can't be found. The C<sv> | |
1052 | does not have to be fbm_compiled, but the search will not be as fast | |
1053 | then. | |
1054 | ||
1055 | =cut | |
1056 | */ | |
1057 | ||
378cc40b | 1058 | char * |
864dbfa3 | 1059 | Perl_fbm_instr(pTHX_ unsigned char *big, register unsigned char *bigend, SV *littlestr, U32 flags) |
378cc40b | 1060 | { |
a687059c | 1061 | register unsigned char *s; |
cf93c79d IZ |
1062 | STRLEN l; |
1063 | register unsigned char *little = (unsigned char *)SvPV(littlestr,l); | |
1064 | register STRLEN littlelen = l; | |
1065 | register I32 multiline = flags & FBMrf_MULTILINE; | |
1066 | ||
1067 | if (bigend - big < littlelen) { | |
a1d180c4 | 1068 | if ( SvTAIL(littlestr) |
cf93c79d | 1069 | && (bigend - big == littlelen - 1) |
a1d180c4 | 1070 | && (littlelen == 1 |
12ae5dfc JH |
1071 | || (*big == *little && |
1072 | memEQ((char *)big, (char *)little, littlelen - 1)))) | |
cf93c79d IZ |
1073 | return (char*)big; |
1074 | return Nullch; | |
1075 | } | |
378cc40b | 1076 | |
cf93c79d | 1077 | if (littlelen <= 2) { /* Special-cased */ |
cf93c79d IZ |
1078 | |
1079 | if (littlelen == 1) { | |
1080 | if (SvTAIL(littlestr) && !multiline) { /* Anchor only! */ | |
1081 | /* Know that bigend != big. */ | |
1082 | if (bigend[-1] == '\n') | |
1083 | return (char *)(bigend - 1); | |
1084 | return (char *) bigend; | |
1085 | } | |
1086 | s = big; | |
1087 | while (s < bigend) { | |
1088 | if (*s == *little) | |
1089 | return (char *)s; | |
1090 | s++; | |
1091 | } | |
1092 | if (SvTAIL(littlestr)) | |
1093 | return (char *) bigend; | |
1094 | return Nullch; | |
1095 | } | |
1096 | if (!littlelen) | |
1097 | return (char*)big; /* Cannot be SvTAIL! */ | |
1098 | ||
1099 | /* littlelen is 2 */ | |
1100 | if (SvTAIL(littlestr) && !multiline) { | |
1101 | if (bigend[-1] == '\n' && bigend[-2] == *little) | |
1102 | return (char*)bigend - 2; | |
1103 | if (bigend[-1] == *little) | |
1104 | return (char*)bigend - 1; | |
1105 | return Nullch; | |
1106 | } | |
1107 | { | |
1108 | /* This should be better than FBM if c1 == c2, and almost | |
1109 | as good otherwise: maybe better since we do less indirection. | |
1110 | And we save a lot of memory by caching no table. */ | |
1111 | register unsigned char c1 = little[0]; | |
1112 | register unsigned char c2 = little[1]; | |
1113 | ||
1114 | s = big + 1; | |
1115 | bigend--; | |
1116 | if (c1 != c2) { | |
1117 | while (s <= bigend) { | |
1118 | if (s[0] == c2) { | |
1119 | if (s[-1] == c1) | |
1120 | return (char*)s - 1; | |
1121 | s += 2; | |
1122 | continue; | |
3fe6f2dc | 1123 | } |
cf93c79d IZ |
1124 | next_chars: |
1125 | if (s[0] == c1) { | |
1126 | if (s == bigend) | |
1127 | goto check_1char_anchor; | |
1128 | if (s[1] == c2) | |
1129 | return (char*)s; | |
1130 | else { | |
1131 | s++; | |
1132 | goto next_chars; | |
1133 | } | |
1134 | } | |
1135 | else | |
1136 | s += 2; | |
1137 | } | |
1138 | goto check_1char_anchor; | |
1139 | } | |
1140 | /* Now c1 == c2 */ | |
1141 | while (s <= bigend) { | |
1142 | if (s[0] == c1) { | |
1143 | if (s[-1] == c1) | |
1144 | return (char*)s - 1; | |
1145 | if (s == bigend) | |
1146 | goto check_1char_anchor; | |
1147 | if (s[1] == c1) | |
1148 | return (char*)s; | |
1149 | s += 3; | |
02128f11 | 1150 | } |
c277df42 | 1151 | else |
cf93c79d | 1152 | s += 2; |
c277df42 | 1153 | } |
c277df42 | 1154 | } |
cf93c79d IZ |
1155 | check_1char_anchor: /* One char and anchor! */ |
1156 | if (SvTAIL(littlestr) && (*bigend == *little)) | |
1157 | return (char *)bigend; /* bigend is already decremented. */ | |
1158 | return Nullch; | |
d48672a2 | 1159 | } |
cf93c79d | 1160 | if (SvTAIL(littlestr) && !multiline) { /* tail anchored? */ |
bbce6d69 | 1161 | s = bigend - littlelen; |
a1d180c4 | 1162 | if (s >= big && bigend[-1] == '\n' && *s == *little |
cf93c79d IZ |
1163 | /* Automatically of length > 2 */ |
1164 | && memEQ((char*)s + 1, (char*)little + 1, littlelen - 2)) | |
7506f9c3 | 1165 | { |
bbce6d69 | 1166 | return (char*)s; /* how sweet it is */ |
7506f9c3 GS |
1167 | } |
1168 | if (s[1] == *little | |
1169 | && memEQ((char*)s + 2, (char*)little + 1, littlelen - 2)) | |
1170 | { | |
cf93c79d | 1171 | return (char*)s + 1; /* how sweet it is */ |
7506f9c3 | 1172 | } |
02128f11 IZ |
1173 | return Nullch; |
1174 | } | |
cf93c79d IZ |
1175 | if (SvTYPE(littlestr) != SVt_PVBM || !SvVALID(littlestr)) { |
1176 | char *b = ninstr((char*)big,(char*)bigend, | |
1177 | (char*)little, (char*)little + littlelen); | |
1178 | ||
1179 | if (!b && SvTAIL(littlestr)) { /* Automatically multiline! */ | |
1180 | /* Chop \n from littlestr: */ | |
1181 | s = bigend - littlelen + 1; | |
7506f9c3 GS |
1182 | if (*s == *little |
1183 | && memEQ((char*)s + 1, (char*)little + 1, littlelen - 2)) | |
1184 | { | |
3fe6f2dc | 1185 | return (char*)s; |
7506f9c3 | 1186 | } |
cf93c79d | 1187 | return Nullch; |
a687059c | 1188 | } |
cf93c79d | 1189 | return b; |
a687059c | 1190 | } |
a1d180c4 | 1191 | |
cf93c79d IZ |
1192 | { /* Do actual FBM. */ |
1193 | register unsigned char *table = little + littlelen + FBM_TABLE_OFFSET; | |
1194 | register unsigned char *oldlittle; | |
1195 | ||
1196 | if (littlelen > bigend - big) | |
1197 | return Nullch; | |
1198 | --littlelen; /* Last char found by table lookup */ | |
1199 | ||
1200 | s = big + littlelen; | |
1201 | little += littlelen; /* last char */ | |
1202 | oldlittle = little; | |
1203 | if (s < bigend) { | |
1204 | register I32 tmp; | |
1205 | ||
1206 | top2: | |
1207 | /*SUPPRESS 560*/ | |
7506f9c3 | 1208 | if ((tmp = table[*s])) { |
62b28dd9 | 1209 | #ifdef POINTERRIGOR |
cf93c79d IZ |
1210 | if (bigend - s > tmp) { |
1211 | s += tmp; | |
1212 | goto top2; | |
1213 | } | |
bbce6d69 | 1214 | s += tmp; |
62b28dd9 | 1215 | #else |
cf93c79d | 1216 | if ((s += tmp) < bigend) |
62b28dd9 | 1217 | goto top2; |
cf93c79d IZ |
1218 | #endif |
1219 | goto check_end; | |
1220 | } | |
1221 | else { /* less expensive than calling strncmp() */ | |
1222 | register unsigned char *olds = s; | |
1223 | ||
1224 | tmp = littlelen; | |
1225 | ||
1226 | while (tmp--) { | |
1227 | if (*--s == *--little) | |
1228 | continue; | |
cf93c79d IZ |
1229 | s = olds + 1; /* here we pay the price for failure */ |
1230 | little = oldlittle; | |
1231 | if (s < bigend) /* fake up continue to outer loop */ | |
1232 | goto top2; | |
1233 | goto check_end; | |
1234 | } | |
1235 | return (char *)s; | |
a687059c | 1236 | } |
378cc40b | 1237 | } |
cf93c79d IZ |
1238 | check_end: |
1239 | if ( s == bigend && (table[-1] & FBMcf_TAIL) | |
12ae5dfc JH |
1240 | && memEQ((char *)(bigend - littlelen), |
1241 | (char *)(oldlittle - littlelen), littlelen) ) | |
cf93c79d IZ |
1242 | return (char*)bigend - littlelen; |
1243 | return Nullch; | |
378cc40b | 1244 | } |
378cc40b LW |
1245 | } |
1246 | ||
c277df42 IZ |
1247 | /* start_shift, end_shift are positive quantities which give offsets |
1248 | of ends of some substring of bigstr. | |
1249 | If `last' we want the last occurence. | |
1250 | old_posp is the way of communication between consequent calls if | |
a1d180c4 | 1251 | the next call needs to find the . |
c277df42 | 1252 | The initial *old_posp should be -1. |
cf93c79d IZ |
1253 | |
1254 | Note that we take into account SvTAIL, so one can get extra | |
1255 | optimizations if _ALL flag is set. | |
c277df42 IZ |
1256 | */ |
1257 | ||
cf93c79d IZ |
1258 | /* If SvTAIL is actually due to \Z or \z, this gives false positives |
1259 | if PL_multiline. In fact if !PL_multiline the autoritative answer | |
1260 | is not supported yet. */ | |
1261 | ||
378cc40b | 1262 | char * |
864dbfa3 | 1263 | Perl_screaminstr(pTHX_ SV *bigstr, SV *littlestr, I32 start_shift, I32 end_shift, I32 *old_posp, I32 last) |
378cc40b | 1264 | { |
a687059c LW |
1265 | register unsigned char *s, *x; |
1266 | register unsigned char *big; | |
79072805 LW |
1267 | register I32 pos; |
1268 | register I32 previous; | |
1269 | register I32 first; | |
a687059c | 1270 | register unsigned char *little; |
c277df42 | 1271 | register I32 stop_pos; |
a687059c | 1272 | register unsigned char *littleend; |
c277df42 | 1273 | I32 found = 0; |
378cc40b | 1274 | |
c277df42 | 1275 | if (*old_posp == -1 |
3280af22 | 1276 | ? (pos = PL_screamfirst[BmRARE(littlestr)]) < 0 |
cf93c79d IZ |
1277 | : (((pos = *old_posp), pos += PL_screamnext[pos]) == 0)) { |
1278 | cant_find: | |
a1d180c4 | 1279 | if ( BmRARE(littlestr) == '\n' |
cf93c79d IZ |
1280 | && BmPREVIOUS(littlestr) == SvCUR(littlestr) - 1) { |
1281 | little = (unsigned char *)(SvPVX(littlestr)); | |
1282 | littleend = little + SvCUR(littlestr); | |
1283 | first = *little++; | |
1284 | goto check_tail; | |
1285 | } | |
378cc40b | 1286 | return Nullch; |
cf93c79d IZ |
1287 | } |
1288 | ||
463ee0b2 | 1289 | little = (unsigned char *)(SvPVX(littlestr)); |
79072805 | 1290 | littleend = little + SvCUR(littlestr); |
378cc40b | 1291 | first = *little++; |
c277df42 | 1292 | /* The value of pos we can start at: */ |
79072805 | 1293 | previous = BmPREVIOUS(littlestr); |
463ee0b2 | 1294 | big = (unsigned char *)(SvPVX(bigstr)); |
c277df42 IZ |
1295 | /* The value of pos we can stop at: */ |
1296 | stop_pos = SvCUR(bigstr) - end_shift - (SvCUR(littlestr) - 1 - previous); | |
cf93c79d IZ |
1297 | if (previous + start_shift > stop_pos) { |
1298 | if (previous + start_shift == stop_pos + 1) /* A fake '\n'? */ | |
1299 | goto check_tail; | |
1300 | return Nullch; | |
1301 | } | |
c277df42 | 1302 | while (pos < previous + start_shift) { |
3280af22 | 1303 | if (!(pos += PL_screamnext[pos])) |
cf93c79d | 1304 | goto cant_find; |
378cc40b | 1305 | } |
de3bb511 | 1306 | #ifdef POINTERRIGOR |
bbce6d69 | 1307 | do { |
ef64f398 | 1308 | if (pos >= stop_pos) break; |
bbce6d69 | 1309 | if (big[pos-previous] != first) |
1310 | continue; | |
1311 | for (x=big+pos+1-previous,s=little; s < littleend; /**/ ) { | |
bbce6d69 | 1312 | if (*s++ != *x++) { |
1313 | s--; | |
1314 | break; | |
de3bb511 | 1315 | } |
bbce6d69 | 1316 | } |
c277df42 IZ |
1317 | if (s == littleend) { |
1318 | *old_posp = pos; | |
1319 | if (!last) return (char *)(big+pos-previous); | |
1320 | found = 1; | |
1321 | } | |
6b88bc9c | 1322 | } while ( pos += PL_screamnext[pos] ); |
c277df42 | 1323 | return (last && found) ? (char *)(big+(*old_posp)-previous) : Nullch; |
de3bb511 LW |
1324 | #else /* !POINTERRIGOR */ |
1325 | big -= previous; | |
bbce6d69 | 1326 | do { |
ef64f398 | 1327 | if (pos >= stop_pos) break; |
bbce6d69 | 1328 | if (big[pos] != first) |
1329 | continue; | |
1330 | for (x=big+pos+1,s=little; s < littleend; /**/ ) { | |
bbce6d69 | 1331 | if (*s++ != *x++) { |
1332 | s--; | |
1333 | break; | |
378cc40b | 1334 | } |
bbce6d69 | 1335 | } |
c277df42 IZ |
1336 | if (s == littleend) { |
1337 | *old_posp = pos; | |
1338 | if (!last) return (char *)(big+pos); | |
1339 | found = 1; | |
1340 | } | |
3280af22 | 1341 | } while ( pos += PL_screamnext[pos] ); |
a1d180c4 | 1342 | if (last && found) |
cf93c79d | 1343 | return (char *)(big+(*old_posp)); |
de3bb511 | 1344 | #endif /* POINTERRIGOR */ |
cf93c79d IZ |
1345 | check_tail: |
1346 | if (!SvTAIL(littlestr) || (end_shift > 0)) | |
1347 | return Nullch; | |
1348 | /* Ignore the trailing "\n". This code is not microoptimized */ | |
1349 | big = (unsigned char *)(SvPVX(bigstr) + SvCUR(bigstr)); | |
1350 | stop_pos = littleend - little; /* Actual littlestr len */ | |
1351 | if (stop_pos == 0) | |
1352 | return (char*)big; | |
1353 | big -= stop_pos; | |
1354 | if (*big == first | |
12ae5dfc JH |
1355 | && ((stop_pos == 1) || |
1356 | memEQ((char *)(big + 1), (char *)little, stop_pos - 1))) | |
cf93c79d IZ |
1357 | return (char*)big; |
1358 | return Nullch; | |
8d063cd8 LW |
1359 | } |
1360 | ||
79072805 | 1361 | I32 |
864dbfa3 | 1362 | Perl_ibcmp(pTHX_ const char *s1, const char *s2, register I32 len) |
79072805 | 1363 | { |
bbce6d69 | 1364 | register U8 *a = (U8 *)s1; |
1365 | register U8 *b = (U8 *)s2; | |
79072805 | 1366 | while (len--) { |
22c35a8c | 1367 | if (*a != *b && *a != PL_fold[*b]) |
bbce6d69 | 1368 | return 1; |
1369 | a++,b++; | |
1370 | } | |
1371 | return 0; | |
1372 | } | |
1373 | ||
1374 | I32 | |
864dbfa3 | 1375 | Perl_ibcmp_locale(pTHX_ const char *s1, const char *s2, register I32 len) |
bbce6d69 | 1376 | { |
1377 | register U8 *a = (U8 *)s1; | |
1378 | register U8 *b = (U8 *)s2; | |
1379 | while (len--) { | |
22c35a8c | 1380 | if (*a != *b && *a != PL_fold_locale[*b]) |
bbce6d69 | 1381 | return 1; |
1382 | a++,b++; | |
79072805 LW |
1383 | } |
1384 | return 0; | |
1385 | } | |
1386 | ||
8d063cd8 LW |
1387 | /* copy a string to a safe spot */ |
1388 | ||
954c1994 GS |
1389 | /* |
1390 | =for apidoc savepv | |
1391 | ||
1392 | Copy a string to a safe spot. This does not use an SV. | |
1393 | ||
1394 | =cut | |
1395 | */ | |
1396 | ||
8d063cd8 | 1397 | char * |
864dbfa3 | 1398 | Perl_savepv(pTHX_ const char *sv) |
8d063cd8 | 1399 | { |
a687059c | 1400 | register char *newaddr; |
8d063cd8 | 1401 | |
79072805 LW |
1402 | New(902,newaddr,strlen(sv)+1,char); |
1403 | (void)strcpy(newaddr,sv); | |
8d063cd8 LW |
1404 | return newaddr; |
1405 | } | |
1406 | ||
a687059c LW |
1407 | /* same thing but with a known length */ |
1408 | ||
954c1994 GS |
1409 | /* |
1410 | =for apidoc savepvn | |
1411 | ||
1412 | Copy a string to a safe spot. The C<len> indicates number of bytes to | |
1413 | copy. This does not use an SV. | |
1414 | ||
1415 | =cut | |
1416 | */ | |
1417 | ||
a687059c | 1418 | char * |
864dbfa3 | 1419 | Perl_savepvn(pTHX_ const char *sv, register I32 len) |
a687059c LW |
1420 | { |
1421 | register char *newaddr; | |
1422 | ||
1423 | New(903,newaddr,len+1,char); | |
79072805 | 1424 | Copy(sv,newaddr,len,char); /* might not be null terminated */ |
a687059c LW |
1425 | newaddr[len] = '\0'; /* is now */ |
1426 | return newaddr; | |
1427 | } | |
1428 | ||
cea2e8a9 | 1429 | /* the SV for Perl_form() and mess() is not kept in an arena */ |
fc36a67e | 1430 | |
76e3520e | 1431 | STATIC SV * |
cea2e8a9 | 1432 | S_mess_alloc(pTHX) |
fc36a67e | 1433 | { |
1434 | SV *sv; | |
1435 | XPVMG *any; | |
1436 | ||
e72dc28c GS |
1437 | if (!PL_dirty) |
1438 | return sv_2mortal(newSVpvn("",0)); | |
1439 | ||
0372dbb6 GS |
1440 | if (PL_mess_sv) |
1441 | return PL_mess_sv; | |
1442 | ||
fc36a67e | 1443 | /* Create as PVMG now, to avoid any upgrading later */ |
1444 | New(905, sv, 1, SV); | |
1445 | Newz(905, any, 1, XPVMG); | |
1446 | SvFLAGS(sv) = SVt_PVMG; | |
1447 | SvANY(sv) = (void*)any; | |
1448 | SvREFCNT(sv) = 1 << 30; /* practically infinite */ | |
e72dc28c | 1449 | PL_mess_sv = sv; |
fc36a67e | 1450 | return sv; |
1451 | } | |
1452 | ||
c5be433b | 1453 | #if defined(PERL_IMPLICIT_CONTEXT) |
cea2e8a9 GS |
1454 | char * |
1455 | Perl_form_nocontext(const char* pat, ...) | |
1456 | { | |
1457 | dTHX; | |
c5be433b | 1458 | char *retval; |
cea2e8a9 GS |
1459 | va_list args; |
1460 | va_start(args, pat); | |
c5be433b | 1461 | retval = vform(pat, &args); |
cea2e8a9 | 1462 | va_end(args); |
c5be433b | 1463 | return retval; |
cea2e8a9 | 1464 | } |
c5be433b | 1465 | #endif /* PERL_IMPLICIT_CONTEXT */ |
cea2e8a9 | 1466 | |
8990e307 | 1467 | char * |
864dbfa3 | 1468 | Perl_form(pTHX_ const char* pat, ...) |
8990e307 | 1469 | { |
c5be433b | 1470 | char *retval; |
46fc3d4c | 1471 | va_list args; |
46fc3d4c | 1472 | va_start(args, pat); |
c5be433b | 1473 | retval = vform(pat, &args); |
46fc3d4c | 1474 | va_end(args); |
c5be433b GS |
1475 | return retval; |
1476 | } | |
1477 | ||
1478 | char * | |
1479 | Perl_vform(pTHX_ const char *pat, va_list *args) | |
1480 | { | |
1481 | SV *sv = mess_alloc(); | |
1482 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
e72dc28c | 1483 | return SvPVX(sv); |
46fc3d4c | 1484 | } |
a687059c | 1485 | |
5a844595 GS |
1486 | #if defined(PERL_IMPLICIT_CONTEXT) |
1487 | SV * | |
1488 | Perl_mess_nocontext(const char *pat, ...) | |
1489 | { | |
1490 | dTHX; | |
1491 | SV *retval; | |
1492 | va_list args; | |
1493 | va_start(args, pat); | |
1494 | retval = vmess(pat, &args); | |
1495 | va_end(args); | |
1496 | return retval; | |
1497 | } | |
1498 | #endif /* PERL_IMPLICIT_CONTEXT */ | |
1499 | ||
06bf62c7 | 1500 | SV * |
5a844595 GS |
1501 | Perl_mess(pTHX_ const char *pat, ...) |
1502 | { | |
1503 | SV *retval; | |
1504 | va_list args; | |
1505 | va_start(args, pat); | |
1506 | retval = vmess(pat, &args); | |
1507 | va_end(args); | |
1508 | return retval; | |
1509 | } | |
1510 | ||
1511 | SV * | |
1512 | Perl_vmess(pTHX_ const char *pat, va_list *args) | |
46fc3d4c | 1513 | { |
e72dc28c | 1514 | SV *sv = mess_alloc(); |
46fc3d4c | 1515 | static char dgd[] = " during global destruction.\n"; |
1516 | ||
fc36a67e | 1517 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 1518 | if (!SvCUR(sv) || *(SvEND(sv) - 1) != '\n') { |
57843af0 | 1519 | if (CopLINE(PL_curcop)) |
ed094faf GS |
1520 | Perl_sv_catpvf(aTHX_ sv, " at %s line %"IVdf, |
1521 | CopFILE(PL_curcop), (IV)CopLINE(PL_curcop)); | |
515f54a1 GS |
1522 | if (GvIO(PL_last_in_gv) && IoLINES(GvIOp(PL_last_in_gv))) { |
1523 | bool line_mode = (RsSIMPLE(PL_rs) && | |
7c1e0849 | 1524 | SvCUR(PL_rs) == 1 && *SvPVX(PL_rs) == '\n'); |
57def98f | 1525 | Perl_sv_catpvf(aTHX_ sv, ", <%s> %s %"IVdf, |
cf2093f6 | 1526 | PL_last_in_gv == PL_argvgv ? "" : GvNAME(PL_last_in_gv), |
a1d180c4 | 1527 | line_mode ? "line" : "chunk", |
cf2093f6 | 1528 | (IV)IoLINES(GvIOp(PL_last_in_gv))); |
a687059c | 1529 | } |
9efbc0eb | 1530 | #ifdef USE_THREADS |
e8e6f333 GS |
1531 | if (thr->tid) |
1532 | Perl_sv_catpvf(aTHX_ sv, " thread %ld", thr->tid); | |
9efbc0eb | 1533 | #endif |
515f54a1 | 1534 | sv_catpv(sv, PL_dirty ? dgd : ".\n"); |
a687059c | 1535 | } |
06bf62c7 | 1536 | return sv; |
a687059c LW |
1537 | } |
1538 | ||
c5be433b GS |
1539 | OP * |
1540 | Perl_vdie(pTHX_ const char* pat, va_list *args) | |
36477c24 | 1541 | { |
36477c24 | 1542 | char *message; |
3280af22 | 1543 | int was_in_eval = PL_in_eval; |
36477c24 | 1544 | HV *stash; |
1545 | GV *gv; | |
1546 | CV *cv; | |
06bf62c7 GS |
1547 | SV *msv; |
1548 | STRLEN msglen; | |
36477c24 | 1549 | |
bf49b057 | 1550 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
199100c8 | 1551 | "%p: die: curstack = %p, mainstack = %p\n", |
533c011a | 1552 | thr, PL_curstack, PL_mainstack)); |
36477c24 | 1553 | |
06bf62c7 | 1554 | if (pat) { |
5a844595 GS |
1555 | msv = vmess(pat, args); |
1556 | if (PL_errors && SvCUR(PL_errors)) { | |
1557 | sv_catsv(PL_errors, msv); | |
1558 | message = SvPV(PL_errors, msglen); | |
1559 | SvCUR_set(PL_errors, 0); | |
1560 | } | |
1561 | else | |
1562 | message = SvPV(msv,msglen); | |
06bf62c7 GS |
1563 | } |
1564 | else { | |
1565 | message = Nullch; | |
0f79a09d | 1566 | msglen = 0; |
06bf62c7 | 1567 | } |
36477c24 | 1568 | |
bf49b057 | 1569 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
199100c8 | 1570 | "%p: die: message = %s\ndiehook = %p\n", |
533c011a | 1571 | thr, message, PL_diehook)); |
3280af22 | 1572 | if (PL_diehook) { |
cea2e8a9 | 1573 | /* sv_2cv might call Perl_croak() */ |
3280af22 | 1574 | SV *olddiehook = PL_diehook; |
1738f5c4 | 1575 | ENTER; |
3280af22 NIS |
1576 | SAVESPTR(PL_diehook); |
1577 | PL_diehook = Nullsv; | |
1738f5c4 CS |
1578 | cv = sv_2cv(olddiehook, &stash, &gv, 0); |
1579 | LEAVE; | |
1580 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
1581 | dSP; | |
774d564b | 1582 | SV *msg; |
1583 | ||
1584 | ENTER; | |
3a1f2dc9 | 1585 | save_re_context(); |
79cb57f6 | 1586 | if (message) { |
06bf62c7 | 1587 | msg = newSVpvn(message, msglen); |
4e6ea2c3 GS |
1588 | SvREADONLY_on(msg); |
1589 | SAVEFREESV(msg); | |
1590 | } | |
1591 | else { | |
1592 | msg = ERRSV; | |
1593 | } | |
1738f5c4 | 1594 | |
e788e7d3 | 1595 | PUSHSTACKi(PERLSI_DIEHOOK); |
924508f0 | 1596 | PUSHMARK(SP); |
1738f5c4 CS |
1597 | XPUSHs(msg); |
1598 | PUTBACK; | |
0cdb2077 | 1599 | call_sv((SV*)cv, G_DISCARD); |
d3acc0f7 | 1600 | POPSTACK; |
774d564b | 1601 | LEAVE; |
1738f5c4 | 1602 | } |
36477c24 | 1603 | } |
1604 | ||
06bf62c7 | 1605 | PL_restartop = die_where(message, msglen); |
bf49b057 | 1606 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
7c06b590 | 1607 | "%p: die: restartop = %p, was_in_eval = %d, top_env = %p\n", |
533c011a | 1608 | thr, PL_restartop, was_in_eval, PL_top_env)); |
3280af22 | 1609 | if ((!PL_restartop && was_in_eval) || PL_top_env->je_prev) |
6224f72b | 1610 | JMPENV_JUMP(3); |
3280af22 | 1611 | return PL_restartop; |
36477c24 | 1612 | } |
1613 | ||
c5be433b | 1614 | #if defined(PERL_IMPLICIT_CONTEXT) |
cea2e8a9 GS |
1615 | OP * |
1616 | Perl_die_nocontext(const char* pat, ...) | |
a687059c | 1617 | { |
cea2e8a9 GS |
1618 | dTHX; |
1619 | OP *o; | |
a687059c | 1620 | va_list args; |
cea2e8a9 | 1621 | va_start(args, pat); |
c5be433b | 1622 | o = vdie(pat, &args); |
cea2e8a9 GS |
1623 | va_end(args); |
1624 | return o; | |
1625 | } | |
c5be433b | 1626 | #endif /* PERL_IMPLICIT_CONTEXT */ |
cea2e8a9 GS |
1627 | |
1628 | OP * | |
1629 | Perl_die(pTHX_ const char* pat, ...) | |
1630 | { | |
1631 | OP *o; | |
1632 | va_list args; | |
1633 | va_start(args, pat); | |
c5be433b | 1634 | o = vdie(pat, &args); |
cea2e8a9 GS |
1635 | va_end(args); |
1636 | return o; | |
1637 | } | |
1638 | ||
c5be433b GS |
1639 | void |
1640 | Perl_vcroak(pTHX_ const char* pat, va_list *args) | |
cea2e8a9 | 1641 | { |
de3bb511 | 1642 | char *message; |
748a9306 LW |
1643 | HV *stash; |
1644 | GV *gv; | |
1645 | CV *cv; | |
06bf62c7 GS |
1646 | SV *msv; |
1647 | STRLEN msglen; | |
a687059c | 1648 | |
9983fa3c GS |
1649 | if (pat) { |
1650 | msv = vmess(pat, args); | |
1651 | if (PL_errors && SvCUR(PL_errors)) { | |
1652 | sv_catsv(PL_errors, msv); | |
1653 | message = SvPV(PL_errors, msglen); | |
1654 | SvCUR_set(PL_errors, 0); | |
1655 | } | |
1656 | else | |
1657 | message = SvPV(msv,msglen); | |
1658 | } | |
1659 | else { | |
1660 | message = Nullch; | |
1661 | msglen = 0; | |
5a844595 | 1662 | } |
5a844595 | 1663 | |
b900a521 JH |
1664 | DEBUG_S(PerlIO_printf(Perl_debug_log, "croak: 0x%"UVxf" %s", |
1665 | PTR2UV(thr), message)); | |
5a844595 | 1666 | |
3280af22 | 1667 | if (PL_diehook) { |
cea2e8a9 | 1668 | /* sv_2cv might call Perl_croak() */ |
3280af22 | 1669 | SV *olddiehook = PL_diehook; |
1738f5c4 | 1670 | ENTER; |
3280af22 NIS |
1671 | SAVESPTR(PL_diehook); |
1672 | PL_diehook = Nullsv; | |
20cec16a | 1673 | cv = sv_2cv(olddiehook, &stash, &gv, 0); |
1738f5c4 CS |
1674 | LEAVE; |
1675 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
20cec16a | 1676 | dSP; |
774d564b | 1677 | SV *msg; |
1678 | ||
1679 | ENTER; | |
3a1f2dc9 | 1680 | save_re_context(); |
9983fa3c GS |
1681 | if (message) { |
1682 | msg = newSVpvn(message, msglen); | |
1683 | SvREADONLY_on(msg); | |
1684 | SAVEFREESV(msg); | |
1685 | } | |
1686 | else { | |
1687 | msg = ERRSV; | |
1688 | } | |
20cec16a | 1689 | |
e788e7d3 | 1690 | PUSHSTACKi(PERLSI_DIEHOOK); |
924508f0 | 1691 | PUSHMARK(SP); |
1738f5c4 | 1692 | XPUSHs(msg); |
20cec16a | 1693 | PUTBACK; |
864dbfa3 | 1694 | call_sv((SV*)cv, G_DISCARD); |
d3acc0f7 | 1695 | POPSTACK; |
774d564b | 1696 | LEAVE; |
20cec16a | 1697 | } |
748a9306 | 1698 | } |
3280af22 | 1699 | if (PL_in_eval) { |
06bf62c7 | 1700 | PL_restartop = die_where(message, msglen); |
6224f72b | 1701 | JMPENV_JUMP(3); |
a0d0e21e | 1702 | } |
d175a3f0 GS |
1703 | { |
1704 | #ifdef USE_SFIO | |
1705 | /* SFIO can really mess with your errno */ | |
1706 | int e = errno; | |
1707 | #endif | |
bf49b057 GS |
1708 | PerlIO *serr = Perl_error_log; |
1709 | ||
1710 | PerlIO_write(serr, message, msglen); | |
1711 | (void)PerlIO_flush(serr); | |
d175a3f0 GS |
1712 | #ifdef USE_SFIO |
1713 | errno = e; | |
1714 | #endif | |
1715 | } | |
f86702cc | 1716 | my_failure_exit(); |
a687059c LW |
1717 | } |
1718 | ||
c5be433b | 1719 | #if defined(PERL_IMPLICIT_CONTEXT) |
8990e307 | 1720 | void |
cea2e8a9 | 1721 | Perl_croak_nocontext(const char *pat, ...) |
a687059c | 1722 | { |
cea2e8a9 | 1723 | dTHX; |
a687059c | 1724 | va_list args; |
cea2e8a9 | 1725 | va_start(args, pat); |
c5be433b | 1726 | vcroak(pat, &args); |
cea2e8a9 GS |
1727 | /* NOTREACHED */ |
1728 | va_end(args); | |
1729 | } | |
1730 | #endif /* PERL_IMPLICIT_CONTEXT */ | |
1731 | ||
954c1994 GS |
1732 | /* |
1733 | =for apidoc croak | |
1734 | ||
9983fa3c GS |
1735 | This is the XSUB-writer's interface to Perl's C<die> function. |
1736 | Normally use this function the same way you use the C C<printf> | |
1737 | function. See C<warn>. | |
1738 | ||
1739 | If you want to throw an exception object, assign the object to | |
1740 | C<$@> and then pass C<Nullch> to croak(): | |
1741 | ||
1742 | errsv = get_sv("@", TRUE); | |
1743 | sv_setsv(errsv, exception_object); | |
1744 | croak(Nullch); | |
954c1994 GS |
1745 | |
1746 | =cut | |
1747 | */ | |
1748 | ||
cea2e8a9 GS |
1749 | void |
1750 | Perl_croak(pTHX_ const char *pat, ...) | |
1751 | { | |
1752 | va_list args; | |
1753 | va_start(args, pat); | |
c5be433b | 1754 | vcroak(pat, &args); |
cea2e8a9 GS |
1755 | /* NOTREACHED */ |
1756 | va_end(args); | |
1757 | } | |
1758 | ||
c5be433b GS |
1759 | void |
1760 | Perl_vwarn(pTHX_ const char* pat, va_list *args) | |
cea2e8a9 | 1761 | { |
de3bb511 | 1762 | char *message; |
748a9306 LW |
1763 | HV *stash; |
1764 | GV *gv; | |
1765 | CV *cv; | |
06bf62c7 GS |
1766 | SV *msv; |
1767 | STRLEN msglen; | |
a687059c | 1768 | |
5a844595 | 1769 | msv = vmess(pat, args); |
06bf62c7 | 1770 | message = SvPV(msv, msglen); |
a687059c | 1771 | |
3280af22 | 1772 | if (PL_warnhook) { |
cea2e8a9 | 1773 | /* sv_2cv might call Perl_warn() */ |
3280af22 | 1774 | SV *oldwarnhook = PL_warnhook; |
1738f5c4 | 1775 | ENTER; |
3280af22 NIS |
1776 | SAVESPTR(PL_warnhook); |
1777 | PL_warnhook = Nullsv; | |
20cec16a | 1778 | cv = sv_2cv(oldwarnhook, &stash, &gv, 0); |
1738f5c4 CS |
1779 | LEAVE; |
1780 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
20cec16a | 1781 | dSP; |
774d564b | 1782 | SV *msg; |
1783 | ||
1784 | ENTER; | |
3a1f2dc9 | 1785 | save_re_context(); |
06bf62c7 | 1786 | msg = newSVpvn(message, msglen); |
774d564b | 1787 | SvREADONLY_on(msg); |
1788 | SAVEFREESV(msg); | |
1789 | ||
e788e7d3 | 1790 | PUSHSTACKi(PERLSI_WARNHOOK); |
924508f0 | 1791 | PUSHMARK(SP); |
774d564b | 1792 | XPUSHs(msg); |
20cec16a | 1793 | PUTBACK; |
864dbfa3 | 1794 | call_sv((SV*)cv, G_DISCARD); |
d3acc0f7 | 1795 | POPSTACK; |
774d564b | 1796 | LEAVE; |
20cec16a | 1797 | return; |
1798 | } | |
748a9306 | 1799 | } |
bf49b057 GS |
1800 | { |
1801 | PerlIO *serr = Perl_error_log; | |
1802 | ||
1803 | PerlIO_write(serr, message, msglen); | |
a687059c | 1804 | #ifdef LEAKTEST |
a1d180c4 | 1805 | DEBUG_L(*message == '!' |
bf49b057 GS |
1806 | ? (xstat(message[1]=='!' |
1807 | ? (message[2]=='!' ? 2 : 1) | |
1808 | : 0) | |
1809 | , 0) | |
1810 | : 0); | |
a687059c | 1811 | #endif |
bf49b057 GS |
1812 | (void)PerlIO_flush(serr); |
1813 | } | |
a687059c | 1814 | } |
8d063cd8 | 1815 | |
c5be433b | 1816 | #if defined(PERL_IMPLICIT_CONTEXT) |
cea2e8a9 GS |
1817 | void |
1818 | Perl_warn_nocontext(const char *pat, ...) | |
1819 | { | |
1820 | dTHX; | |
1821 | va_list args; | |
1822 | va_start(args, pat); | |
c5be433b | 1823 | vwarn(pat, &args); |
cea2e8a9 GS |
1824 | va_end(args); |
1825 | } | |
1826 | #endif /* PERL_IMPLICIT_CONTEXT */ | |
1827 | ||
954c1994 GS |
1828 | /* |
1829 | =for apidoc warn | |
1830 | ||
1831 | This is the XSUB-writer's interface to Perl's C<warn> function. Use this | |
1832 | function the same way you use the C C<printf> function. See | |
1833 | C<croak>. | |
1834 | ||
1835 | =cut | |
1836 | */ | |
1837 | ||
cea2e8a9 GS |
1838 | void |
1839 | Perl_warn(pTHX_ const char *pat, ...) | |
1840 | { | |
1841 | va_list args; | |
1842 | va_start(args, pat); | |
c5be433b | 1843 | vwarn(pat, &args); |
cea2e8a9 GS |
1844 | va_end(args); |
1845 | } | |
1846 | ||
c5be433b GS |
1847 | #if defined(PERL_IMPLICIT_CONTEXT) |
1848 | void | |
1849 | Perl_warner_nocontext(U32 err, const char *pat, ...) | |
1850 | { | |
1851 | dTHX; | |
1852 | va_list args; | |
1853 | va_start(args, pat); | |
1854 | vwarner(err, pat, &args); | |
1855 | va_end(args); | |
1856 | } | |
1857 | #endif /* PERL_IMPLICIT_CONTEXT */ | |
1858 | ||
599cee73 | 1859 | void |
864dbfa3 | 1860 | Perl_warner(pTHX_ U32 err, const char* pat,...) |
599cee73 PM |
1861 | { |
1862 | va_list args; | |
c5be433b GS |
1863 | va_start(args, pat); |
1864 | vwarner(err, pat, &args); | |
1865 | va_end(args); | |
1866 | } | |
1867 | ||
1868 | void | |
1869 | Perl_vwarner(pTHX_ U32 err, const char* pat, va_list* args) | |
1870 | { | |
599cee73 PM |
1871 | char *message; |
1872 | HV *stash; | |
1873 | GV *gv; | |
1874 | CV *cv; | |
06bf62c7 GS |
1875 | SV *msv; |
1876 | STRLEN msglen; | |
599cee73 | 1877 | |
5a844595 | 1878 | msv = vmess(pat, args); |
06bf62c7 | 1879 | message = SvPV(msv, msglen); |
599cee73 PM |
1880 | |
1881 | if (ckDEAD(err)) { | |
1882 | #ifdef USE_THREADS | |
b900a521 | 1883 | DEBUG_S(PerlIO_printf(Perl_debug_log, "croak: 0x%"UVxf" %s", PTR2UV(thr), message)); |
599cee73 PM |
1884 | #endif /* USE_THREADS */ |
1885 | if (PL_diehook) { | |
cea2e8a9 | 1886 | /* sv_2cv might call Perl_croak() */ |
599cee73 PM |
1887 | SV *olddiehook = PL_diehook; |
1888 | ENTER; | |
1889 | SAVESPTR(PL_diehook); | |
1890 | PL_diehook = Nullsv; | |
1891 | cv = sv_2cv(olddiehook, &stash, &gv, 0); | |
1892 | LEAVE; | |
1893 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { | |
1894 | dSP; | |
1895 | SV *msg; | |
a1d180c4 | 1896 | |
599cee73 | 1897 | ENTER; |
3a1f2dc9 | 1898 | save_re_context(); |
06bf62c7 | 1899 | msg = newSVpvn(message, msglen); |
599cee73 PM |
1900 | SvREADONLY_on(msg); |
1901 | SAVEFREESV(msg); | |
a1d180c4 | 1902 | |
3a1f2dc9 | 1903 | PUSHSTACKi(PERLSI_DIEHOOK); |
599cee73 PM |
1904 | PUSHMARK(sp); |
1905 | XPUSHs(msg); | |
1906 | PUTBACK; | |
864dbfa3 | 1907 | call_sv((SV*)cv, G_DISCARD); |
3a1f2dc9 | 1908 | POPSTACK; |
599cee73 PM |
1909 | LEAVE; |
1910 | } | |
1911 | } | |
1912 | if (PL_in_eval) { | |
06bf62c7 | 1913 | PL_restartop = die_where(message, msglen); |
599cee73 PM |
1914 | JMPENV_JUMP(3); |
1915 | } | |
bf49b057 GS |
1916 | { |
1917 | PerlIO *serr = Perl_error_log; | |
1918 | PerlIO_write(serr, message, msglen); | |
1919 | (void)PerlIO_flush(serr); | |
1920 | } | |
599cee73 PM |
1921 | my_failure_exit(); |
1922 | ||
1923 | } | |
1924 | else { | |
1925 | if (PL_warnhook) { | |
cea2e8a9 | 1926 | /* sv_2cv might call Perl_warn() */ |
599cee73 PM |
1927 | SV *oldwarnhook = PL_warnhook; |
1928 | ENTER; | |
1929 | SAVESPTR(PL_warnhook); | |
1930 | PL_warnhook = Nullsv; | |
1931 | cv = sv_2cv(oldwarnhook, &stash, &gv, 0); | |
3a1f2dc9 | 1932 | LEAVE; |
599cee73 PM |
1933 | if (cv && !CvDEPTH(cv) && (CvROOT(cv) || CvXSUB(cv))) { |
1934 | dSP; | |
1935 | SV *msg; | |
a1d180c4 | 1936 | |
599cee73 | 1937 | ENTER; |
3a1f2dc9 | 1938 | save_re_context(); |
06bf62c7 | 1939 | msg = newSVpvn(message, msglen); |
599cee73 PM |
1940 | SvREADONLY_on(msg); |
1941 | SAVEFREESV(msg); | |
a1d180c4 | 1942 | |
3a1f2dc9 | 1943 | PUSHSTACKi(PERLSI_WARNHOOK); |
599cee73 PM |
1944 | PUSHMARK(sp); |
1945 | XPUSHs(msg); | |
1946 | PUTBACK; | |
864dbfa3 | 1947 | call_sv((SV*)cv, G_DISCARD); |
3a1f2dc9 | 1948 | POPSTACK; |
599cee73 PM |
1949 | LEAVE; |
1950 | return; | |
1951 | } | |
1952 | } | |
bf49b057 GS |
1953 | { |
1954 | PerlIO *serr = Perl_error_log; | |
1955 | PerlIO_write(serr, message, msglen); | |
599cee73 | 1956 | #ifdef LEAKTEST |
a1d180c4 | 1957 | DEBUG_L(*message == '!' |
06247ec9 JH |
1958 | ? (xstat(message[1]=='!' |
1959 | ? (message[2]=='!' ? 2 : 1) | |
1960 | : 0) | |
1961 | , 0) | |
1962 | : 0); | |
599cee73 | 1963 | #endif |
bf49b057 GS |
1964 | (void)PerlIO_flush(serr); |
1965 | } | |
599cee73 PM |
1966 | } |
1967 | } | |
1968 | ||
13b6e58c JH |
1969 | #ifdef USE_ENVIRON_ARRAY |
1970 | /* VMS' and EPOC's my_setenv() is in vms.c and epoc.c */ | |
47dafe4d | 1971 | #if !defined(WIN32) |
8d063cd8 | 1972 | void |
864dbfa3 | 1973 | Perl_my_setenv(pTHX_ char *nam, char *val) |
8d063cd8 | 1974 | { |
f2517201 GS |
1975 | #ifndef PERL_USE_SAFE_PUTENV |
1976 | /* most putenv()s leak, so we manipulate environ directly */ | |
79072805 | 1977 | register I32 i=setenv_getix(nam); /* where does it go? */ |
8d063cd8 | 1978 | |
3280af22 | 1979 | if (environ == PL_origenviron) { /* need we copy environment? */ |
79072805 LW |
1980 | I32 j; |
1981 | I32 max; | |
fe14fcc3 LW |
1982 | char **tmpenv; |
1983 | ||
de3bb511 | 1984 | /*SUPPRESS 530*/ |
fe14fcc3 | 1985 | for (max = i; environ[max]; max++) ; |
f2517201 GS |
1986 | tmpenv = (char**)safesysmalloc((max+2) * sizeof(char*)); |
1987 | for (j=0; j<max; j++) { /* copy environment */ | |
1988 | tmpenv[j] = (char*)safesysmalloc((strlen(environ[j])+1)*sizeof(char)); | |
1989 | strcpy(tmpenv[j], environ[j]); | |
1990 | } | |
fe14fcc3 LW |
1991 | tmpenv[max] = Nullch; |
1992 | environ = tmpenv; /* tell exec where it is now */ | |
1993 | } | |
a687059c | 1994 | if (!val) { |
f2517201 | 1995 | safesysfree(environ[i]); |
a687059c LW |
1996 | while (environ[i]) { |
1997 | environ[i] = environ[i+1]; | |
1998 | i++; | |
1999 | } | |
2000 | return; | |
2001 | } | |
8d063cd8 | 2002 | if (!environ[i]) { /* does not exist yet */ |
f2517201 | 2003 | environ = (char**)safesysrealloc(environ, (i+2) * sizeof(char*)); |
8d063cd8 LW |
2004 | environ[i+1] = Nullch; /* make sure it's null terminated */ |
2005 | } | |
fe14fcc3 | 2006 | else |
f2517201 GS |
2007 | safesysfree(environ[i]); |
2008 | environ[i] = (char*)safesysmalloc((strlen(nam)+strlen(val)+2) * sizeof(char)); | |
2009 | ||
a687059c | 2010 | (void)sprintf(environ[i],"%s=%s",nam,val);/* all that work just for this */ |
f2517201 GS |
2011 | |
2012 | #else /* PERL_USE_SAFE_PUTENV */ | |
47dafe4d EF |
2013 | # if defined(__CYGWIN__) |
2014 | setenv(nam, val, 1); | |
2015 | # else | |
f2517201 GS |
2016 | char *new_env; |
2017 | ||
2018 | new_env = (char*)safesysmalloc((strlen(nam) + strlen(val) + 2) * sizeof(char)); | |
f2517201 | 2019 | (void)sprintf(new_env,"%s=%s",nam,val);/* all that work just for this */ |
f2517201 | 2020 | (void)putenv(new_env); |
47dafe4d | 2021 | # endif /* __CYGWIN__ */ |
f2517201 | 2022 | #endif /* PERL_USE_SAFE_PUTENV */ |
8d063cd8 LW |
2023 | } |
2024 | ||
47dafe4d | 2025 | #else /* WIN32 */ |
68dc0745 | 2026 | |
2027 | void | |
864dbfa3 | 2028 | Perl_my_setenv(pTHX_ char *nam,char *val) |
68dc0745 | 2029 | { |
3e3baf6d TB |
2030 | |
2031 | #ifdef USE_WIN32_RTL_ENV | |
2032 | ||
68dc0745 | 2033 | register char *envstr; |
2034 | STRLEN namlen = strlen(nam); | |
3e3baf6d TB |
2035 | STRLEN vallen; |
2036 | char *oldstr = environ[setenv_getix(nam)]; | |
2037 | ||
2038 | /* putenv() has totally broken semantics in both the Borland | |
2039 | * and Microsoft CRTLs. They either store the passed pointer in | |
2040 | * the environment without making a copy, or make a copy and don't | |
2041 | * free it. And on top of that, they dont free() old entries that | |
2042 | * are being replaced/deleted. This means the caller must | |
2043 | * free any old entries somehow, or we end up with a memory | |
2044 | * leak every time my_setenv() is called. One might think | |
2045 | * one could directly manipulate environ[], like the UNIX code | |
2046 | * above, but direct changes to environ are not allowed when | |
2047 | * calling putenv(), since the RTLs maintain an internal | |
2048 | * *copy* of environ[]. Bad, bad, *bad* stink. | |
2049 | * GSAR 97-06-07 | |
2050 | */ | |
68dc0745 | 2051 | |
3e3baf6d TB |
2052 | if (!val) { |
2053 | if (!oldstr) | |
2054 | return; | |
2055 | val = ""; | |
2056 | vallen = 0; | |
2057 | } | |
2058 | else | |
2059 | vallen = strlen(val); | |
f2517201 | 2060 | envstr = (char*)safesysmalloc((namlen + vallen + 3) * sizeof(char)); |
68dc0745 | 2061 | (void)sprintf(envstr,"%s=%s",nam,val); |
76e3520e | 2062 | (void)PerlEnv_putenv(envstr); |
3e3baf6d | 2063 | if (oldstr) |
f2517201 | 2064 | safesysfree(oldstr); |
3e3baf6d | 2065 | #ifdef _MSC_VER |
f2517201 | 2066 | safesysfree(envstr); /* MSVCRT leaks without this */ |
3e3baf6d TB |
2067 | #endif |
2068 | ||
2069 | #else /* !USE_WIN32_RTL_ENV */ | |
2070 | ||
ac5c734f GS |
2071 | register char *envstr; |
2072 | STRLEN len = strlen(nam) + 3; | |
2073 | if (!val) { | |
2074 | val = ""; | |
2075 | } | |
2076 | len += strlen(val); | |
2077 | New(904, envstr, len, char); | |
2078 | (void)sprintf(envstr,"%s=%s",nam,val); | |
2079 | (void)PerlEnv_putenv(envstr); | |
2080 | Safefree(envstr); | |
3e3baf6d TB |
2081 | |
2082 | #endif | |
2083 | } | |
2084 | ||
2085 | #endif /* WIN32 */ | |
2086 | ||
2087 | I32 | |
864dbfa3 | 2088 | Perl_setenv_getix(pTHX_ char *nam) |
3e3baf6d TB |
2089 | { |
2090 | register I32 i, len = strlen(nam); | |
2091 | ||
2092 | for (i = 0; environ[i]; i++) { | |
2093 | if ( | |
2094 | #ifdef WIN32 | |
2095 | strnicmp(environ[i],nam,len) == 0 | |
2096 | #else | |
2097 | strnEQ(environ[i],nam,len) | |
2098 | #endif | |
2099 | && environ[i][len] == '=') | |
2100 | break; /* strnEQ must come first to avoid */ | |
2101 | } /* potential SEGV's */ | |
2102 | return i; | |
68dc0745 | 2103 | } |
2104 | ||
ed79a026 | 2105 | #endif /* !VMS && !EPOC*/ |
378cc40b | 2106 | |
16d20bd9 | 2107 | #ifdef UNLINK_ALL_VERSIONS |
79072805 | 2108 | I32 |
864dbfa3 | 2109 | Perl_unlnk(pTHX_ char *f) /* unlink all versions of a file */ |
378cc40b | 2110 | { |
79072805 | 2111 | I32 i; |
378cc40b | 2112 | |
6ad3d225 | 2113 | for (i = 0; PerlLIO_unlink(f) >= 0; i++) ; |
378cc40b LW |
2114 | return i ? 0 : -1; |
2115 | } | |
2116 | #endif | |
2117 | ||
7a3f2258 | 2118 | /* this is a drop-in replacement for bcopy() */ |
85e6fe83 | 2119 | #if !defined(HAS_BCOPY) || !defined(HAS_SAFE_BCOPY) |
378cc40b | 2120 | char * |
7a3f2258 | 2121 | Perl_my_bcopy(register const char *from,register char *to,register I32 len) |
378cc40b LW |
2122 | { |
2123 | char *retval = to; | |
2124 | ||
7c0587c8 LW |
2125 | if (from - to >= 0) { |
2126 | while (len--) | |
2127 | *to++ = *from++; | |
2128 | } | |
2129 | else { | |
2130 | to += len; | |
2131 | from += len; | |
2132 | while (len--) | |
faf8582f | 2133 | *(--to) = *(--from); |
7c0587c8 | 2134 | } |
378cc40b LW |
2135 | return retval; |
2136 | } | |
ffed7fef | 2137 | #endif |
378cc40b | 2138 | |
7a3f2258 | 2139 | /* this is a drop-in replacement for memset() */ |
fc36a67e | 2140 | #ifndef HAS_MEMSET |
2141 | void * | |
7a3f2258 | 2142 | Perl_my_memset(register char *loc, register I32 ch, register I32 len) |
fc36a67e | 2143 | { |
2144 | char *retval = loc; | |
2145 | ||
2146 | while (len--) | |
2147 | *loc++ = ch; | |
2148 | return retval; | |
2149 | } | |
2150 | #endif | |
2151 | ||
7a3f2258 | 2152 | /* this is a drop-in replacement for bzero() */ |
7c0587c8 | 2153 | #if !defined(HAS_BZERO) && !defined(HAS_MEMSET) |
378cc40b | 2154 | char * |
7a3f2258 | 2155 | Perl_my_bzero(register char *loc, register I32 len) |
378cc40b LW |
2156 | { |
2157 | char *retval = loc; | |
2158 | ||
2159 | while (len--) | |
2160 | *loc++ = 0; | |
2161 | return retval; | |
2162 | } | |
2163 | #endif | |
7c0587c8 | 2164 | |
7a3f2258 | 2165 | /* this is a drop-in replacement for memcmp() */ |
36477c24 | 2166 | #if !defined(HAS_MEMCMP) || !defined(HAS_SANE_MEMCMP) |
79072805 | 2167 | I32 |
7a3f2258 | 2168 | Perl_my_memcmp(const char *s1, const char *s2, register I32 len) |
7c0587c8 | 2169 | { |
36477c24 | 2170 | register U8 *a = (U8 *)s1; |
2171 | register U8 *b = (U8 *)s2; | |
79072805 | 2172 | register I32 tmp; |
7c0587c8 LW |
2173 | |
2174 | while (len--) { | |
36477c24 | 2175 | if (tmp = *a++ - *b++) |
7c0587c8 LW |
2176 | return tmp; |
2177 | } | |
2178 | return 0; | |
2179 | } | |
36477c24 | 2180 | #endif /* !HAS_MEMCMP || !HAS_SANE_MEMCMP */ |
a687059c | 2181 | |
fe14fcc3 | 2182 | #ifndef HAS_VPRINTF |
a687059c | 2183 | |
85e6fe83 | 2184 | #ifdef USE_CHAR_VSPRINTF |
a687059c LW |
2185 | char * |
2186 | #else | |
2187 | int | |
2188 | #endif | |
08105a92 | 2189 | vsprintf(char *dest, const char *pat, char *args) |
a687059c LW |
2190 | { |
2191 | FILE fakebuf; | |
2192 | ||
2193 | fakebuf._ptr = dest; | |
2194 | fakebuf._cnt = 32767; | |
35c8bce7 LW |
2195 | #ifndef _IOSTRG |
2196 | #define _IOSTRG 0 | |
2197 | #endif | |
a687059c LW |
2198 | fakebuf._flag = _IOWRT|_IOSTRG; |
2199 | _doprnt(pat, args, &fakebuf); /* what a kludge */ | |
2200 | (void)putc('\0', &fakebuf); | |
85e6fe83 | 2201 | #ifdef USE_CHAR_VSPRINTF |
a687059c LW |
2202 | return(dest); |
2203 | #else | |
2204 | return 0; /* perl doesn't use return value */ | |
2205 | #endif | |
2206 | } | |
2207 | ||
fe14fcc3 | 2208 | #endif /* HAS_VPRINTF */ |
a687059c LW |
2209 | |
2210 | #ifdef MYSWAP | |
ffed7fef | 2211 | #if BYTEORDER != 0x4321 |
a687059c | 2212 | short |
864dbfa3 | 2213 | Perl_my_swap(pTHX_ short s) |
a687059c LW |
2214 | { |
2215 | #if (BYTEORDER & 1) == 0 | |
2216 | short result; | |
2217 | ||
2218 | result = ((s & 255) << 8) + ((s >> 8) & 255); | |
2219 | return result; | |
2220 | #else | |
2221 | return s; | |
2222 | #endif | |
2223 | } | |
2224 | ||
2225 | long | |
864dbfa3 | 2226 | Perl_my_htonl(pTHX_ long l) |
a687059c LW |
2227 | { |
2228 | union { | |
2229 | long result; | |
ffed7fef | 2230 | char c[sizeof(long)]; |
a687059c LW |
2231 | } u; |
2232 | ||
ffed7fef | 2233 | #if BYTEORDER == 0x1234 |
a687059c LW |
2234 | u.c[0] = (l >> 24) & 255; |
2235 | u.c[1] = (l >> 16) & 255; | |
2236 | u.c[2] = (l >> 8) & 255; | |
2237 | u.c[3] = l & 255; | |
2238 | return u.result; | |
2239 | #else | |
ffed7fef | 2240 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
cea2e8a9 | 2241 | Perl_croak(aTHX_ "Unknown BYTEORDER\n"); |
a687059c | 2242 | #else |
79072805 LW |
2243 | register I32 o; |
2244 | register I32 s; | |
a687059c | 2245 | |
ffed7fef LW |
2246 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
2247 | u.c[o & 0xf] = (l >> s) & 255; | |
a687059c LW |
2248 | } |
2249 | return u.result; | |
2250 | #endif | |
2251 | #endif | |
2252 | } | |
2253 | ||
2254 | long | |
864dbfa3 | 2255 | Perl_my_ntohl(pTHX_ long l) |
a687059c LW |
2256 | { |
2257 | union { | |
2258 | long l; | |
ffed7fef | 2259 | char c[sizeof(long)]; |
a687059c LW |
2260 | } u; |
2261 | ||
ffed7fef | 2262 | #if BYTEORDER == 0x1234 |
a687059c LW |
2263 | u.c[0] = (l >> 24) & 255; |
2264 | u.c[1] = (l >> 16) & 255; | |
2265 | u.c[2] = (l >> 8) & 255; | |
2266 | u.c[3] = l & 255; | |
2267 | return u.l; | |
2268 | #else | |
ffed7fef | 2269 | #if ((BYTEORDER - 0x1111) & 0x444) || !(BYTEORDER & 0xf) |
cea2e8a9 | 2270 | Perl_croak(aTHX_ "Unknown BYTEORDER\n"); |
a687059c | 2271 | #else |
79072805 LW |
2272 | register I32 o; |
2273 | register I32 s; | |
a687059c LW |
2274 | |
2275 | u.l = l; | |
2276 | l = 0; | |
ffed7fef LW |
2277 | for (o = BYTEORDER - 0x1111, s = 0; s < (sizeof(long)*8); o >>= 4, s += 8) { |
2278 | l |= (u.c[o & 0xf] & 255) << s; | |
a687059c LW |
2279 | } |
2280 | return l; | |
2281 | #endif | |
2282 | #endif | |
2283 | } | |
2284 | ||
ffed7fef | 2285 | #endif /* BYTEORDER != 0x4321 */ |
988174c1 LW |
2286 | #endif /* MYSWAP */ |
2287 | ||
2288 | /* | |
2289 | * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. | |
2290 | * If these functions are defined, | |
2291 | * the BYTEORDER is neither 0x1234 nor 0x4321. | |
2292 | * However, this is not assumed. | |
2293 | * -DWS | |
2294 | */ | |
2295 | ||
2296 | #define HTOV(name,type) \ | |
2297 | type \ | |
ba106d47 | 2298 | name (register type n) \ |
988174c1 LW |
2299 | { \ |
2300 | union { \ | |
2301 | type value; \ | |
2302 | char c[sizeof(type)]; \ | |
2303 | } u; \ | |
79072805 LW |
2304 | register I32 i; \ |
2305 | register I32 s; \ | |
988174c1 LW |
2306 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ |
2307 | u.c[i] = (n >> s) & 0xFF; \ | |
2308 | } \ | |
2309 | return u.value; \ | |
2310 | } | |
2311 | ||
2312 | #define VTOH(name,type) \ | |
2313 | type \ | |
ba106d47 | 2314 | name (register type n) \ |
988174c1 LW |
2315 | { \ |
2316 | union { \ | |
2317 | type value; \ | |
2318 | char c[sizeof(type)]; \ | |
2319 | } u; \ | |
79072805 LW |
2320 | register I32 i; \ |
2321 | register I32 s; \ | |
988174c1 LW |
2322 | u.value = n; \ |
2323 | n = 0; \ | |
2324 | for (i = 0, s = 0; i < sizeof(u.c); i++, s += 8) { \ | |
2325 | n += (u.c[i] & 0xFF) << s; \ | |
2326 | } \ | |
2327 | return n; \ | |
2328 | } | |
2329 | ||
2330 | #if defined(HAS_HTOVS) && !defined(htovs) | |
2331 | HTOV(htovs,short) | |
2332 | #endif | |
2333 | #if defined(HAS_HTOVL) && !defined(htovl) | |
2334 | HTOV(htovl,long) | |
2335 | #endif | |
2336 | #if defined(HAS_VTOHS) && !defined(vtohs) | |
2337 | VTOH(vtohs,short) | |
2338 | #endif | |
2339 | #if defined(HAS_VTOHL) && !defined(vtohl) | |
2340 | VTOH(vtohl,long) | |
2341 | #endif | |
a687059c | 2342 | |
5f05dabc | 2343 | /* VMS' my_popen() is in VMS.c, same with OS/2. */ |
cd39f2b6 | 2344 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM) && !defined(EPOC) && !defined(MACOS_TRADITIONAL) |
760ac839 | 2345 | PerlIO * |
864dbfa3 | 2346 | Perl_my_popen(pTHX_ char *cmd, char *mode) |
a687059c LW |
2347 | { |
2348 | int p[2]; | |
8ac85365 | 2349 | register I32 This, that; |
d8a83dd3 | 2350 | register Pid_t pid; |
79072805 | 2351 | SV *sv; |
1738f5c4 | 2352 | I32 doexec = strNE(cmd,"-"); |
e446cec8 IZ |
2353 | I32 did_pipes = 0; |
2354 | int pp[2]; | |
a687059c | 2355 | |
45bc9206 | 2356 | PERL_FLUSHALL_FOR_CHILD; |
ddcf38b7 IZ |
2357 | #ifdef OS2 |
2358 | if (doexec) { | |
23da6c43 | 2359 | return my_syspopen(aTHX_ cmd,mode); |
ddcf38b7 | 2360 | } |
a1d180c4 | 2361 | #endif |
8ac85365 NIS |
2362 | This = (*mode == 'w'); |
2363 | that = !This; | |
3280af22 | 2364 | if (doexec && PL_tainting) { |
bbce6d69 | 2365 | taint_env(); |
2366 | taint_proper("Insecure %s%s", "EXEC"); | |
d48672a2 | 2367 | } |
c2267164 IZ |
2368 | if (PerlProc_pipe(p) < 0) |
2369 | return Nullfp; | |
e446cec8 IZ |
2370 | if (doexec && PerlProc_pipe(pp) >= 0) |
2371 | did_pipes = 1; | |
a687059c LW |
2372 | while ((pid = (doexec?vfork():fork())) < 0) { |
2373 | if (errno != EAGAIN) { | |
6ad3d225 | 2374 | PerlLIO_close(p[This]); |
e446cec8 IZ |
2375 | if (did_pipes) { |
2376 | PerlLIO_close(pp[0]); | |
2377 | PerlLIO_close(pp[1]); | |
2378 | } | |
a687059c | 2379 | if (!doexec) |
cea2e8a9 | 2380 | Perl_croak(aTHX_ "Can't fork"); |
a687059c LW |
2381 | return Nullfp; |
2382 | } | |
2383 | sleep(5); | |
2384 | } | |
2385 | if (pid == 0) { | |
79072805 LW |
2386 | GV* tmpgv; |
2387 | ||
30ac6d9b GS |
2388 | #undef THIS |
2389 | #undef THAT | |
a687059c | 2390 | #define THIS that |
8ac85365 | 2391 | #define THAT This |
6ad3d225 | 2392 | PerlLIO_close(p[THAT]); |
e446cec8 IZ |
2393 | if (did_pipes) { |
2394 | PerlLIO_close(pp[0]); | |
2395 | #if defined(HAS_FCNTL) && defined(F_SETFD) | |
2396 | fcntl(pp[1], F_SETFD, FD_CLOEXEC); | |
2397 | #endif | |
2398 | } | |
a687059c | 2399 | if (p[THIS] != (*mode == 'r')) { |
6ad3d225 GS |
2400 | PerlLIO_dup2(p[THIS], *mode == 'r'); |
2401 | PerlLIO_close(p[THIS]); | |
a687059c | 2402 | } |
4435c477 | 2403 | #ifndef OS2 |
a687059c | 2404 | if (doexec) { |
a0d0e21e | 2405 | #if !defined(HAS_FCNTL) || !defined(F_SETFD) |
ae986130 LW |
2406 | int fd; |
2407 | ||
2408 | #ifndef NOFILE | |
2409 | #define NOFILE 20 | |
2410 | #endif | |
6b88bc9c | 2411 | for (fd = PL_maxsysfd + 1; fd < NOFILE; fd++) |
e446cec8 IZ |
2412 | if (fd != pp[1]) |
2413 | PerlLIO_close(fd); | |
ae986130 | 2414 | #endif |
e446cec8 | 2415 | do_exec3(cmd,pp[1],did_pipes); /* may or may not use the shell */ |
6ad3d225 | 2416 | PerlProc__exit(1); |
a687059c | 2417 | } |
4435c477 | 2418 | #endif /* defined OS2 */ |
de3bb511 | 2419 | /*SUPPRESS 560*/ |
155aba94 | 2420 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) |
7766f137 | 2421 | sv_setiv(GvSV(tmpgv), PerlProc_getpid()); |
3280af22 NIS |
2422 | PL_forkprocess = 0; |
2423 | hv_clear(PL_pidstatus); /* we have no children */ | |
a687059c LW |
2424 | return Nullfp; |
2425 | #undef THIS | |
2426 | #undef THAT | |
2427 | } | |
62b28dd9 | 2428 | do_execfree(); /* free any memory malloced by child on vfork */ |
6ad3d225 | 2429 | PerlLIO_close(p[that]); |
e446cec8 IZ |
2430 | if (did_pipes) |
2431 | PerlLIO_close(pp[1]); | |
8ac85365 | 2432 | if (p[that] < p[This]) { |
6ad3d225 GS |
2433 | PerlLIO_dup2(p[This], p[that]); |
2434 | PerlLIO_close(p[This]); | |
8ac85365 | 2435 | p[This] = p[that]; |
62b28dd9 | 2436 | } |
4755096e | 2437 | LOCK_FDPID_MUTEX; |
3280af22 | 2438 | sv = *av_fetch(PL_fdpid,p[This],TRUE); |
4755096e | 2439 | UNLOCK_FDPID_MUTEX; |
a0d0e21e | 2440 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 | 2441 | SvIVX(sv) = pid; |
3280af22 | 2442 | PL_forkprocess = pid; |
e446cec8 IZ |
2443 | if (did_pipes && pid > 0) { |
2444 | int errkid; | |
2445 | int n = 0, n1; | |
2446 | ||
2447 | while (n < sizeof(int)) { | |
2448 | n1 = PerlLIO_read(pp[0], | |
2449 | (void*)(((char*)&errkid)+n), | |
2450 | (sizeof(int)) - n); | |
2451 | if (n1 <= 0) | |
2452 | break; | |
2453 | n += n1; | |
2454 | } | |
2f96c702 IZ |
2455 | PerlLIO_close(pp[0]); |
2456 | did_pipes = 0; | |
e446cec8 IZ |
2457 | if (n) { /* Error */ |
2458 | if (n != sizeof(int)) | |
cea2e8a9 | 2459 | Perl_croak(aTHX_ "panic: kid popen errno read"); |
e446cec8 IZ |
2460 | errno = errkid; /* Propagate errno from kid */ |
2461 | return Nullfp; | |
2462 | } | |
2463 | } | |
2464 | if (did_pipes) | |
2465 | PerlLIO_close(pp[0]); | |
8ac85365 | 2466 | return PerlIO_fdopen(p[This], mode); |
a687059c | 2467 | } |
7c0587c8 | 2468 | #else |
55497cff | 2469 | #if defined(atarist) || defined(DJGPP) |
7c0587c8 | 2470 | FILE *popen(); |
760ac839 | 2471 | PerlIO * |
864dbfa3 | 2472 | Perl_my_popen(pTHX_ char *cmd, char *mode) |
7c0587c8 | 2473 | { |
45bc9206 | 2474 | PERL_FLUSHALL_FOR_CHILD; |
a1d180c4 NIS |
2475 | /* Call system's popen() to get a FILE *, then import it. |
2476 | used 0 for 2nd parameter to PerlIO_importFILE; | |
2477 | apparently not used | |
2478 | */ | |
2479 | return PerlIO_importFILE(popen(cmd, mode), 0); | |
7c0587c8 LW |
2480 | } |
2481 | #endif | |
2482 | ||
2483 | #endif /* !DOSISH */ | |
a687059c | 2484 | |
748a9306 | 2485 | #ifdef DUMP_FDS |
35ff7856 | 2486 | void |
864dbfa3 | 2487 | Perl_dump_fds(pTHX_ char *s) |
ae986130 LW |
2488 | { |
2489 | int fd; | |
2490 | struct stat tmpstatbuf; | |
2491 | ||
bf49b057 | 2492 | PerlIO_printf(Perl_debug_log,"%s", s); |
ae986130 | 2493 | for (fd = 0; fd < 32; fd++) { |
6ad3d225 | 2494 | if (PerlLIO_fstat(fd,&tmpstatbuf) >= 0) |
bf49b057 | 2495 | PerlIO_printf(Perl_debug_log," %d",fd); |
ae986130 | 2496 | } |
bf49b057 | 2497 | PerlIO_printf(Perl_debug_log,"\n"); |
ae986130 | 2498 | } |
35ff7856 | 2499 | #endif /* DUMP_FDS */ |
ae986130 | 2500 | |
fe14fcc3 | 2501 | #ifndef HAS_DUP2 |
fec02dd3 | 2502 | int |
ba106d47 | 2503 | dup2(int oldfd, int newfd) |
a687059c | 2504 | { |
a0d0e21e | 2505 | #if defined(HAS_FCNTL) && defined(F_DUPFD) |
fec02dd3 AD |
2506 | if (oldfd == newfd) |
2507 | return oldfd; | |
6ad3d225 | 2508 | PerlLIO_close(newfd); |
fec02dd3 | 2509 | return fcntl(oldfd, F_DUPFD, newfd); |
62b28dd9 | 2510 | #else |
fc36a67e | 2511 | #define DUP2_MAX_FDS 256 |
2512 | int fdtmp[DUP2_MAX_FDS]; | |
79072805 | 2513 | I32 fdx = 0; |
ae986130 LW |
2514 | int fd; |
2515 | ||
fe14fcc3 | 2516 | if (oldfd == newfd) |
fec02dd3 | 2517 | return oldfd; |
6ad3d225 | 2518 | PerlLIO_close(newfd); |
fc36a67e | 2519 | /* good enough for low fd's... */ |
6ad3d225 | 2520 | while ((fd = PerlLIO_dup(oldfd)) != newfd && fd >= 0) { |
fc36a67e | 2521 | if (fdx >= DUP2_MAX_FDS) { |
6ad3d225 | 2522 | PerlLIO_close(fd); |
fc36a67e | 2523 | fd = -1; |
2524 | break; | |
2525 | } | |
ae986130 | 2526 | fdtmp[fdx++] = fd; |
fc36a67e | 2527 | } |
ae986130 | 2528 | while (fdx > 0) |
6ad3d225 | 2529 | PerlLIO_close(fdtmp[--fdx]); |
fec02dd3 | 2530 | return fd; |
62b28dd9 | 2531 | #endif |
a687059c LW |
2532 | } |
2533 | #endif | |
2534 | ||
64ca3a65 | 2535 | #ifndef PERL_MICRO |
ff68c719 | 2536 | #ifdef HAS_SIGACTION |
2537 | ||
2538 | Sighandler_t | |
864dbfa3 | 2539 | Perl_rsignal(pTHX_ int signo, Sighandler_t handler) |
ff68c719 | 2540 | { |
2541 | struct sigaction act, oact; | |
2542 | ||
2543 | act.sa_handler = handler; | |
2544 | sigemptyset(&act.sa_mask); | |
2545 | act.sa_flags = 0; | |
2546 | #ifdef SA_RESTART | |
2547 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ | |
2548 | #endif | |
85264bed CS |
2549 | #ifdef SA_NOCLDWAIT |
2550 | if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN) | |
2551 | act.sa_flags |= SA_NOCLDWAIT; | |
2552 | #endif | |
ff68c719 | 2553 | if (sigaction(signo, &act, &oact) == -1) |
36477c24 | 2554 | return SIG_ERR; |
ff68c719 | 2555 | else |
36477c24 | 2556 | return oact.sa_handler; |
ff68c719 | 2557 | } |
2558 | ||
2559 | Sighandler_t | |
864dbfa3 | 2560 | Perl_rsignal_state(pTHX_ int signo) |
ff68c719 | 2561 | { |
2562 | struct sigaction oact; | |
2563 | ||
2564 | if (sigaction(signo, (struct sigaction *)NULL, &oact) == -1) | |
2565 | return SIG_ERR; | |
2566 | else | |
2567 | return oact.sa_handler; | |
2568 | } | |
2569 | ||
2570 | int | |
864dbfa3 | 2571 | Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save) |
ff68c719 | 2572 | { |
2573 | struct sigaction act; | |
2574 | ||
2575 | act.sa_handler = handler; | |
2576 | sigemptyset(&act.sa_mask); | |
2577 | act.sa_flags = 0; | |
2578 | #ifdef SA_RESTART | |
2579 | act.sa_flags |= SA_RESTART; /* SVR4, 4.3+BSD */ | |
2580 | #endif | |
85264bed CS |
2581 | #ifdef SA_NOCLDWAIT |
2582 | if (signo == SIGCHLD && handler == (Sighandler_t)SIG_IGN) | |
2583 | act.sa_flags |= SA_NOCLDWAIT; | |
2584 | #endif | |
ff68c719 | 2585 | return sigaction(signo, &act, save); |
2586 | } | |
2587 | ||
2588 | int | |
864dbfa3 | 2589 | Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save) |
ff68c719 | 2590 | { |
2591 | return sigaction(signo, save, (struct sigaction *)NULL); | |
2592 | } | |
2593 | ||
2594 | #else /* !HAS_SIGACTION */ | |
2595 | ||
2596 | Sighandler_t | |
864dbfa3 | 2597 | Perl_rsignal(pTHX_ int signo, Sighandler_t handler) |
ff68c719 | 2598 | { |
6ad3d225 | 2599 | return PerlProc_signal(signo, handler); |
ff68c719 | 2600 | } |
2601 | ||
2602 | static int sig_trapped; | |
2603 | ||
2604 | static | |
2605 | Signal_t | |
4e35701f | 2606 | sig_trap(int signo) |
ff68c719 | 2607 | { |
2608 | sig_trapped++; | |
2609 | } | |
2610 | ||
2611 | Sighandler_t | |
864dbfa3 | 2612 | Perl_rsignal_state(pTHX_ int signo) |
ff68c719 | 2613 | { |
2614 | Sighandler_t oldsig; | |
2615 | ||
2616 | sig_trapped = 0; | |
6ad3d225 GS |
2617 | oldsig = PerlProc_signal(signo, sig_trap); |
2618 | PerlProc_signal(signo, oldsig); | |
ff68c719 | 2619 | if (sig_trapped) |
7766f137 | 2620 | PerlProc_kill(PerlProc_getpid(), signo); |
ff68c719 | 2621 | return oldsig; |
2622 | } | |
2623 | ||
2624 | int | |
864dbfa3 | 2625 | Perl_rsignal_save(pTHX_ int signo, Sighandler_t handler, Sigsave_t *save) |
ff68c719 | 2626 | { |
6ad3d225 | 2627 | *save = PerlProc_signal(signo, handler); |
ff68c719 | 2628 | return (*save == SIG_ERR) ? -1 : 0; |
2629 | } | |
2630 | ||
2631 | int | |
864dbfa3 | 2632 | Perl_rsignal_restore(pTHX_ int signo, Sigsave_t *save) |
ff68c719 | 2633 | { |
6ad3d225 | 2634 | return (PerlProc_signal(signo, *save) == SIG_ERR) ? -1 : 0; |
ff68c719 | 2635 | } |
2636 | ||
2637 | #endif /* !HAS_SIGACTION */ | |
64ca3a65 | 2638 | #endif /* !PERL_MICRO */ |
ff68c719 | 2639 | |
5f05dabc | 2640 | /* VMS' my_pclose() is in VMS.c; same with OS/2 */ |
cd39f2b6 | 2641 | #if (!defined(DOSISH) || defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(__OPEN_VM) && !defined(EPOC) && !defined(MACOS_TRADITIONAL) |
79072805 | 2642 | I32 |
864dbfa3 | 2643 | Perl_my_pclose(pTHX_ PerlIO *ptr) |
a687059c | 2644 | { |
ff68c719 | 2645 | Sigsave_t hstat, istat, qstat; |
a687059c | 2646 | int status; |
a0d0e21e | 2647 | SV **svp; |
d8a83dd3 JH |
2648 | Pid_t pid; |
2649 | Pid_t pid2; | |
03136e13 CS |
2650 | bool close_failed; |
2651 | int saved_errno; | |
2652 | #ifdef VMS | |
2653 | int saved_vaxc_errno; | |
2654 | #endif | |
22fae026 TM |
2655 | #ifdef WIN32 |
2656 | int saved_win32_errno; | |
2657 | #endif | |
a687059c | 2658 | |
4755096e | 2659 | LOCK_FDPID_MUTEX; |
3280af22 | 2660 | svp = av_fetch(PL_fdpid,PerlIO_fileno(ptr),TRUE); |
4755096e | 2661 | UNLOCK_FDPID_MUTEX; |
d8a83dd3 | 2662 | pid = SvIVX(*svp); |
a0d0e21e | 2663 | SvREFCNT_dec(*svp); |
3280af22 | 2664 | *svp = &PL_sv_undef; |
ddcf38b7 IZ |
2665 | #ifdef OS2 |
2666 | if (pid == -1) { /* Opened by popen. */ | |
2667 | return my_syspclose(ptr); | |
2668 | } | |
a1d180c4 | 2669 | #endif |
03136e13 CS |
2670 | if ((close_failed = (PerlIO_close(ptr) == EOF))) { |
2671 | saved_errno = errno; | |
2672 | #ifdef VMS | |
2673 | saved_vaxc_errno = vaxc$errno; | |
2674 | #endif | |
22fae026 TM |
2675 | #ifdef WIN32 |
2676 | saved_win32_errno = GetLastError(); | |
2677 | #endif | |
03136e13 | 2678 | } |
7c0587c8 | 2679 | #ifdef UTS |
6ad3d225 | 2680 | if(PerlProc_kill(pid, 0) < 0) { return(pid); } /* HOM 12/23/91 */ |
7c0587c8 | 2681 | #endif |
64ca3a65 | 2682 | #ifndef PERL_MICRO |
ff68c719 | 2683 | rsignal_save(SIGHUP, SIG_IGN, &hstat); |
2684 | rsignal_save(SIGINT, SIG_IGN, &istat); | |
2685 | rsignal_save(SIGQUIT, SIG_IGN, &qstat); | |
64ca3a65 | 2686 | #endif |
748a9306 | 2687 | do { |
1d3434b8 GS |
2688 | pid2 = wait4pid(pid, &status, 0); |
2689 | } while (pid2 == -1 && errno == EINTR); | |
64ca3a65 | 2690 | #ifndef PERL_MICRO |
ff68c719 | 2691 | rsignal_restore(SIGHUP, &hstat); |
2692 | rsignal_restore(SIGINT, &istat); | |
2693 | rsignal_restore(SIGQUIT, &qstat); | |
64ca3a65 | 2694 | #endif |
03136e13 CS |
2695 | if (close_failed) { |
2696 | SETERRNO(saved_errno, saved_vaxc_errno); | |
2697 | return -1; | |
2698 | } | |
1d3434b8 | 2699 | return(pid2 < 0 ? pid2 : status == 0 ? 0 : (errno = 0, status)); |
20188a90 | 2700 | } |
4633a7c4 LW |
2701 | #endif /* !DOSISH */ |
2702 | ||
cd39f2b6 | 2703 | #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL) |
79072805 | 2704 | I32 |
d8a83dd3 | 2705 | Perl_wait4pid(pTHX_ Pid_t pid, int *statusp, int flags) |
20188a90 | 2706 | { |
79072805 LW |
2707 | SV *sv; |
2708 | SV** svp; | |
fc36a67e | 2709 | char spid[TYPE_CHARS(int)]; |
20188a90 LW |
2710 | |
2711 | if (!pid) | |
2712 | return -1; | |
68a29c53 | 2713 | #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) |
20188a90 | 2714 | if (pid > 0) { |
7b0972df | 2715 | sprintf(spid, "%"IVdf, (IV)pid); |
3280af22 NIS |
2716 | svp = hv_fetch(PL_pidstatus,spid,strlen(spid),FALSE); |
2717 | if (svp && *svp != &PL_sv_undef) { | |
463ee0b2 | 2718 | *statusp = SvIVX(*svp); |
3280af22 | 2719 | (void)hv_delete(PL_pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 LW |
2720 | return pid; |
2721 | } | |
2722 | } | |
2723 | else { | |
79072805 | 2724 | HE *entry; |
20188a90 | 2725 | |
3280af22 | 2726 | hv_iterinit(PL_pidstatus); |
155aba94 | 2727 | if ((entry = hv_iternext(PL_pidstatus))) { |
a0d0e21e | 2728 | pid = atoi(hv_iterkey(entry,(I32*)statusp)); |
3280af22 | 2729 | sv = hv_iterval(PL_pidstatus,entry); |
463ee0b2 | 2730 | *statusp = SvIVX(sv); |
7b0972df | 2731 | sprintf(spid, "%"IVdf, (IV)pid); |
3280af22 | 2732 | (void)hv_delete(PL_pidstatus,spid,strlen(spid),G_DISCARD); |
20188a90 LW |
2733 | return pid; |
2734 | } | |
2735 | } | |
68a29c53 | 2736 | #endif |
79072805 | 2737 | #ifdef HAS_WAITPID |
367f3c24 IZ |
2738 | # ifdef HAS_WAITPID_RUNTIME |
2739 | if (!HAS_WAITPID_RUNTIME) | |
2740 | goto hard_way; | |
2741 | # endif | |
f55ee38a | 2742 | return PerlProc_waitpid(pid,statusp,flags); |
367f3c24 IZ |
2743 | #endif |
2744 | #if !defined(HAS_WAITPID) && defined(HAS_WAIT4) | |
a0d0e21e | 2745 | return wait4((pid==-1)?0:pid,statusp,flags,Null(struct rusage *)); |
367f3c24 IZ |
2746 | #endif |
2747 | #if !defined(HAS_WAITPID) && !defined(HAS_WAIT4) || defined(HAS_WAITPID_RUNTIME) | |
2748 | hard_way: | |
a0d0e21e LW |
2749 | { |
2750 | I32 result; | |
2751 | if (flags) | |
cea2e8a9 | 2752 | Perl_croak(aTHX_ "Can't do waitpid with flags"); |
a0d0e21e | 2753 | else { |
76e3520e | 2754 | while ((result = PerlProc_wait(statusp)) != pid && pid > 0 && result >= 0) |
a0d0e21e LW |
2755 | pidgone(result,*statusp); |
2756 | if (result < 0) | |
2757 | *statusp = -1; | |
2758 | } | |
2759 | return result; | |
a687059c LW |
2760 | } |
2761 | #endif | |
a687059c | 2762 | } |
2d7a9237 | 2763 | #endif /* !DOSISH || OS2 || WIN32 */ |
a687059c | 2764 | |
7c0587c8 | 2765 | void |
de3bb511 | 2766 | /*SUPPRESS 590*/ |
d8a83dd3 | 2767 | Perl_pidgone(pTHX_ Pid_t pid, int status) |
a687059c | 2768 | { |
79072805 | 2769 | register SV *sv; |
fc36a67e | 2770 | char spid[TYPE_CHARS(int)]; |
a687059c | 2771 | |
7b0972df | 2772 | sprintf(spid, "%"IVdf, (IV)pid); |
3280af22 | 2773 | sv = *hv_fetch(PL_pidstatus,spid,strlen(spid),TRUE); |
a0d0e21e | 2774 | (void)SvUPGRADE(sv,SVt_IV); |
463ee0b2 | 2775 | SvIVX(sv) = status; |
20188a90 | 2776 | return; |
a687059c LW |
2777 | } |
2778 | ||
55497cff | 2779 | #if defined(atarist) || defined(OS2) || defined(DJGPP) |
7c0587c8 | 2780 | int pclose(); |
ddcf38b7 IZ |
2781 | #ifdef HAS_FORK |
2782 | int /* Cannot prototype with I32 | |
2783 | in os2ish.h. */ | |
ba106d47 | 2784 | my_syspclose(PerlIO *ptr) |
ddcf38b7 | 2785 | #else |
79072805 | 2786 | I32 |
864dbfa3 | 2787 | Perl_my_pclose(pTHX_ PerlIO *ptr) |
a1d180c4 | 2788 | #endif |
a687059c | 2789 | { |
760ac839 LW |
2790 | /* Needs work for PerlIO ! */ |
2791 | FILE *f = PerlIO_findFILE(ptr); | |
2792 | I32 result = pclose(f); | |
933fea7f GS |
2793 | #if defined(DJGPP) |
2794 | result = (result << 8) & 0xff00; | |
2795 | #endif | |
760ac839 LW |
2796 | PerlIO_releaseFILE(ptr,f); |
2797 | return result; | |
a687059c | 2798 | } |
7c0587c8 | 2799 | #endif |
9f68db38 LW |
2800 | |
2801 | void | |
864dbfa3 | 2802 | Perl_repeatcpy(pTHX_ register char *to, register const char *from, I32 len, register I32 count) |
9f68db38 | 2803 | { |
79072805 | 2804 | register I32 todo; |
08105a92 | 2805 | register const char *frombase = from; |
9f68db38 LW |
2806 | |
2807 | if (len == 1) { | |
08105a92 | 2808 | register const char c = *from; |
9f68db38 | 2809 | while (count-- > 0) |
5926133d | 2810 | *to++ = c; |
9f68db38 LW |
2811 | return; |
2812 | } | |
2813 | while (count-- > 0) { | |
2814 | for (todo = len; todo > 0; todo--) { | |
2815 | *to++ = *from++; | |
2816 | } | |
2817 | from = frombase; | |
2818 | } | |
2819 | } | |
0f85fab0 | 2820 | |
463ee0b2 | 2821 | U32 |
65202027 | 2822 | Perl_cast_ulong(pTHX_ NV f) |
0f85fab0 LW |
2823 | { |
2824 | long along; | |
2825 | ||
27e2fb84 | 2826 | #if CASTFLAGS & 2 |
34de22dd LW |
2827 | # define BIGDOUBLE 2147483648.0 |
2828 | if (f >= BIGDOUBLE) | |
2829 | return (unsigned long)(f-(long)(f/BIGDOUBLE)*BIGDOUBLE)|0x80000000; | |
2830 | #endif | |
0f85fab0 LW |
2831 | if (f >= 0.0) |
2832 | return (unsigned long)f; | |
2833 | along = (long)f; | |
2834 | return (unsigned long)along; | |
2835 | } | |
ed6116ce | 2836 | # undef BIGDOUBLE |
5d94fbed | 2837 | |
5d94fbed AD |
2838 | /* Unfortunately, on some systems the cast_uv() function doesn't |
2839 | work with the system-supplied definition of ULONG_MAX. The | |
2840 | comparison (f >= ULONG_MAX) always comes out true. It must be a | |
2841 | problem with the compiler constant folding. | |
2842 | ||
2843 | In any case, this workaround should be fine on any two's complement | |
2844 | system. If it's not, supply a '-DMY_ULONG_MAX=whatever' in your | |
2845 | ccflags. | |
2846 | --Andy Dougherty <doughera@lafcol.lafayette.edu> | |
2847 | */ | |
1eb770ff | 2848 | |
2849 | /* Code modified to prefer proper named type ranges, I32, IV, or UV, instead | |
2850 | of LONG_(MIN/MAX). | |
2851 | -- Kenneth Albanowski <kjahds@kjahds.com> | |
a1d180c4 | 2852 | */ |
1eb770ff | 2853 | |
20cec16a | 2854 | #ifndef MY_UV_MAX |
2855 | # define MY_UV_MAX ((UV)IV_MAX * (UV)2 + (UV)1) | |
5d94fbed AD |
2856 | #endif |
2857 | ||
ed6116ce | 2858 | I32 |
65202027 | 2859 | Perl_cast_i32(pTHX_ NV f) |
ed6116ce | 2860 | { |
20cec16a | 2861 | if (f >= I32_MAX) |
2862 | return (I32) I32_MAX; | |
2863 | if (f <= I32_MIN) | |
2864 | return (I32) I32_MIN; | |
ed6116ce LW |
2865 | return (I32) f; |
2866 | } | |
a0d0e21e LW |
2867 | |
2868 | IV | |
65202027 | 2869 | Perl_cast_iv(pTHX_ NV f) |
a0d0e21e | 2870 | { |
25da4f38 IZ |
2871 | if (f >= IV_MAX) { |
2872 | UV uv; | |
2873 | ||
65202027 | 2874 | if (f >= (NV)UV_MAX) |
25da4f38 IZ |
2875 | return (IV) UV_MAX; |
2876 | uv = (UV) f; | |
2877 | return (IV)uv; | |
2878 | } | |
20cec16a | 2879 | if (f <= IV_MIN) |
2880 | return (IV) IV_MIN; | |
a0d0e21e LW |
2881 | return (IV) f; |
2882 | } | |
5d94fbed AD |
2883 | |
2884 | UV | |
65202027 | 2885 | Perl_cast_uv(pTHX_ NV f) |
5d94fbed | 2886 | { |
20cec16a | 2887 | if (f >= MY_UV_MAX) |
2888 | return (UV) MY_UV_MAX; | |
25da4f38 IZ |
2889 | if (f < 0) { |
2890 | IV iv; | |
2891 | ||
2892 | if (f < IV_MIN) | |
2893 | return (UV)IV_MIN; | |
2894 | iv = (IV) f; | |
2895 | return (UV) iv; | |
2896 | } | |
5d94fbed AD |
2897 | return (UV) f; |
2898 | } | |
2899 | ||
fe14fcc3 | 2900 | #ifndef HAS_RENAME |
79072805 | 2901 | I32 |
864dbfa3 | 2902 | Perl_same_dirent(pTHX_ char *a, char *b) |
62b28dd9 | 2903 | { |
93a17b20 LW |
2904 | char *fa = strrchr(a,'/'); |
2905 | char *fb = strrchr(b,'/'); | |
62b28dd9 LW |
2906 | struct stat tmpstatbuf1; |
2907 | struct stat tmpstatbuf2; | |
46fc3d4c | 2908 | SV *tmpsv = sv_newmortal(); |
62b28dd9 LW |
2909 | |
2910 | if (fa) | |
2911 | fa++; | |
2912 | else | |
2913 | fa = a; | |
2914 | if (fb) | |
2915 | fb++; | |
2916 | else | |
2917 | fb = b; | |
2918 | if (strNE(a,b)) | |
2919 | return FALSE; | |
2920 | if (fa == a) | |
46fc3d4c | 2921 | sv_setpv(tmpsv, "."); |
62b28dd9 | 2922 | else |
46fc3d4c | 2923 | sv_setpvn(tmpsv, a, fa - a); |
c6ed36e1 | 2924 | if (PerlLIO_stat(SvPVX(tmpsv), &tmpstatbuf1) < 0) |
62b28dd9 LW |
2925 | return FALSE; |
2926 | if (fb == b) | |
46fc3d4c | 2927 | sv_setpv(tmpsv, "."); |
62b28dd9 | 2928 | else |
46fc3d4c | 2929 | sv_setpvn(tmpsv, b, fb - b); |
c6ed36e1 | 2930 | if (PerlLIO_stat(SvPVX(tmpsv), &tmpstatbuf2) < 0) |
62b28dd9 LW |
2931 | return FALSE; |
2932 | return tmpstatbuf1.st_dev == tmpstatbuf2.st_dev && | |
2933 | tmpstatbuf1.st_ino == tmpstatbuf2.st_ino; | |
2934 | } | |
fe14fcc3 LW |
2935 | #endif /* !HAS_RENAME */ |
2936 | ||
9e24b6e2 | 2937 | NV |
ba210ebe | 2938 | Perl_scan_bin(pTHX_ char *start, STRLEN len, STRLEN *retlen) |
4f19785b WSI |
2939 | { |
2940 | register char *s = start; | |
9e24b6e2 JH |
2941 | register NV rnv = 0.0; |
2942 | register UV ruv = 0; | |
252aa082 | 2943 | register bool seenb = FALSE; |
9e24b6e2 | 2944 | register bool overflowed = FALSE; |
252aa082 JH |
2945 | |
2946 | for (; len-- && *s; s++) { | |
2947 | if (!(*s == '0' || *s == '1')) { | |
b21ed0a9 GS |
2948 | if (*s == '_' && len && *retlen |
2949 | && (s[1] == '0' || s[1] == '1')) | |
2950 | { | |
2951 | --len; | |
2952 | ++s; | |
2953 | } | |
2954 | else if (seenb == FALSE && *s == 'b' && ruv == 0) { | |
252aa082 JH |
2955 | /* Disallow 0bbb0b0bbb... */ |
2956 | seenb = TRUE; | |
252aa082 JH |
2957 | continue; |
2958 | } | |
2959 | else { | |
627300f0 JH |
2960 | if (ckWARN(WARN_DIGIT)) |
2961 | Perl_warner(aTHX_ WARN_DIGIT, | |
252aa082 JH |
2962 | "Illegal binary digit '%c' ignored", *s); |
2963 | break; | |
2964 | } | |
9e24b6e2 JH |
2965 | } |
2966 | if (!overflowed) { | |
2967 | register UV xuv = ruv << 1; | |
2968 | ||
2969 | if ((xuv >> 1) != ruv) { | |
9e24b6e2 JH |
2970 | overflowed = TRUE; |
2971 | rnv = (NV) ruv; | |
627300f0 JH |
2972 | if (ckWARN_d(WARN_OVERFLOW)) |
2973 | Perl_warner(aTHX_ WARN_OVERFLOW, | |
9e24b6e2 | 2974 | "Integer overflow in binary number"); |
b21ed0a9 GS |
2975 | } |
2976 | else | |
9e24b6e2 JH |
2977 | ruv = xuv | (*s - '0'); |
2978 | } | |
2979 | if (overflowed) { | |
2980 | rnv *= 2; | |
2981 | /* If an NV has not enough bits in its mantissa to | |
2982 | * represent an UV this summing of small low-order numbers | |
2983 | * is a waste of time (because the NV cannot preserve | |
2984 | * the low-order bits anyway): we could just remember when | |
2985 | * did we overflow and in the end just multiply rnv by the | |
2cc4c2dc | 2986 | * right amount. */ |
9e24b6e2 | 2987 | rnv += (*s - '0'); |
f248d071 | 2988 | } |
4f19785b | 2989 | } |
9e24b6e2 JH |
2990 | if (!overflowed) |
2991 | rnv = (NV) ruv; | |
893fe2c2 | 2992 | if ( ( overflowed && rnv > 4294967295.0) |
15041a67 | 2993 | #if UVSIZE > 4 |
893fe2c2 JH |
2994 | || (!overflowed && ruv > 0xffffffff ) |
2995 | #endif | |
a1d180c4 | 2996 | ) { |
627300f0 JH |
2997 | if (ckWARN(WARN_PORTABLE)) |
2998 | Perl_warner(aTHX_ WARN_PORTABLE, | |
252aa082 | 2999 | "Binary number > 0b11111111111111111111111111111111 non-portable"); |
4f19785b WSI |
3000 | } |
3001 | *retlen = s - start; | |
9e24b6e2 | 3002 | return rnv; |
4f19785b | 3003 | } |
9e24b6e2 JH |
3004 | |
3005 | NV | |
ba210ebe | 3006 | Perl_scan_oct(pTHX_ char *start, STRLEN len, STRLEN *retlen) |
fe14fcc3 LW |
3007 | { |
3008 | register char *s = start; | |
9e24b6e2 JH |
3009 | register NV rnv = 0.0; |
3010 | register UV ruv = 0; | |
3011 | register bool overflowed = FALSE; | |
252aa082 JH |
3012 | |
3013 | for (; len-- && *s; s++) { | |
3014 | if (!(*s >= '0' && *s <= '7')) { | |
b21ed0a9 GS |
3015 | if (*s == '_' && len && *retlen |
3016 | && (s[1] >= '0' && s[1] <= '7')) | |
3017 | { | |
3018 | --len; | |
3019 | ++s; | |
3020 | } | |
252aa082 | 3021 | else { |
f84f607d JH |
3022 | /* Allow \octal to work the DWIM way (that is, stop scanning |
3023 | * as soon as non-octal characters are seen, complain only iff | |
3024 | * someone seems to want to use the digits eight and nine). */ | |
252aa082 | 3025 | if (*s == '8' || *s == '9') { |
627300f0 JH |
3026 | if (ckWARN(WARN_DIGIT)) |
3027 | Perl_warner(aTHX_ WARN_DIGIT, | |
252aa082 JH |
3028 | "Illegal octal digit '%c' ignored", *s); |
3029 | } | |
3030 | break; | |
3031 | } | |
55497cff | 3032 | } |
9e24b6e2 | 3033 | if (!overflowed) { |
893fe2c2 | 3034 | register UV xuv = ruv << 3; |
9e24b6e2 JH |
3035 | |
3036 | if ((xuv >> 3) != ruv) { | |
9e24b6e2 JH |
3037 | overflowed = TRUE; |
3038 | rnv = (NV) ruv; | |
627300f0 JH |
3039 | if (ckWARN_d(WARN_OVERFLOW)) |
3040 | Perl_warner(aTHX_ WARN_OVERFLOW, | |
9e24b6e2 | 3041 | "Integer overflow in octal number"); |
b21ed0a9 GS |
3042 | } |
3043 | else | |
9e24b6e2 JH |
3044 | ruv = xuv | (*s - '0'); |
3045 | } | |
3046 | if (overflowed) { | |
3047 | rnv *= 8.0; | |
3048 | /* If an NV has not enough bits in its mantissa to | |
3049 | * represent an UV this summing of small low-order numbers | |
3050 | * is a waste of time (because the NV cannot preserve | |
3051 | * the low-order bits anyway): we could just remember when | |
3052 | * did we overflow and in the end just multiply rnv by the | |
3053 | * right amount of 8-tuples. */ | |
3054 | rnv += (NV)(*s - '0'); | |
3055 | } | |
fe14fcc3 | 3056 | } |
9e24b6e2 JH |
3057 | if (!overflowed) |
3058 | rnv = (NV) ruv; | |
893fe2c2 | 3059 | if ( ( overflowed && rnv > 4294967295.0) |
15041a67 | 3060 | #if UVSIZE > 4 |
893fe2c2 JH |
3061 | || (!overflowed && ruv > 0xffffffff ) |
3062 | #endif | |
3063 | ) { | |
627300f0 JH |
3064 | if (ckWARN(WARN_PORTABLE)) |
3065 | Perl_warner(aTHX_ WARN_PORTABLE, | |
252aa082 | 3066 | "Octal number > 037777777777 non-portable"); |
d008e5eb | 3067 | } |
fe14fcc3 | 3068 | *retlen = s - start; |
9e24b6e2 | 3069 | return rnv; |
fe14fcc3 LW |
3070 | } |
3071 | ||
9e24b6e2 | 3072 | NV |
ba210ebe | 3073 | Perl_scan_hex(pTHX_ char *start, STRLEN len, STRLEN *retlen) |
fe14fcc3 LW |
3074 | { |
3075 | register char *s = start; | |
9e24b6e2 JH |
3076 | register NV rnv = 0.0; |
3077 | register UV ruv = 0; | |
9e24b6e2 | 3078 | register bool overflowed = FALSE; |
9e24b6e2 | 3079 | char *hexdigit; |
fe14fcc3 | 3080 | |
cfd3e6cc JH |
3081 | if (len > 2) { |
3082 | if (s[0] == 'x') { | |
3083 | s++; | |
3084 | len--; | |
3085 | } | |
3086 | else if (len > 3 && s[0] == '0' && s[1] == 'x') { | |
3087 | s+=2; | |
3088 | len-=2; | |
3089 | } | |
3090 | } | |
3091 | ||
9e24b6e2 JH |
3092 | for (; len-- && *s; s++) { |
3093 | hexdigit = strchr((char *) PL_hexdigit, *s); | |
3094 | if (!hexdigit) { | |
b21ed0a9 GS |
3095 | if (*s == '_' && len && *retlen && s[1] |
3096 | && (hexdigit = strchr((char *) PL_hexdigit, s[1]))) | |
3097 | { | |
3098 | --len; | |
3099 | ++s; | |
3100 | } | |
a0ed51b3 | 3101 | else { |
627300f0 JH |
3102 | if (ckWARN(WARN_DIGIT)) |
3103 | Perl_warner(aTHX_ WARN_DIGIT, | |
252aa082 | 3104 | "Illegal hexadecimal digit '%c' ignored", *s); |
a0ed51b3 LW |
3105 | break; |
3106 | } | |
3107 | } | |
9e24b6e2 JH |
3108 | if (!overflowed) { |
3109 | register UV xuv = ruv << 4; | |
3110 | ||
3111 | if ((xuv >> 4) != ruv) { | |
9e24b6e2 JH |
3112 | overflowed = TRUE; |
3113 | rnv = (NV) ruv; | |
627300f0 JH |
3114 | if (ckWARN_d(WARN_OVERFLOW)) |
3115 | Perl_warner(aTHX_ WARN_OVERFLOW, | |
9e24b6e2 | 3116 | "Integer overflow in hexadecimal number"); |
b21ed0a9 GS |
3117 | } |
3118 | else | |
9e24b6e2 JH |
3119 | ruv = xuv | ((hexdigit - PL_hexdigit) & 15); |
3120 | } | |
3121 | if (overflowed) { | |
3122 | rnv *= 16.0; | |
3123 | /* If an NV has not enough bits in its mantissa to | |
3124 | * represent an UV this summing of small low-order numbers | |
3125 | * is a waste of time (because the NV cannot preserve | |
3126 | * the low-order bits anyway): we could just remember when | |
3127 | * did we overflow and in the end just multiply rnv by the | |
3128 | * right amount of 16-tuples. */ | |
3129 | rnv += (NV)((hexdigit - PL_hexdigit) & 15); | |
3130 | } | |
6ff81951 | 3131 | } |
9e24b6e2 JH |
3132 | if (!overflowed) |
3133 | rnv = (NV) ruv; | |
893fe2c2 | 3134 | if ( ( overflowed && rnv > 4294967295.0) |
15041a67 | 3135 | #if UVSIZE > 4 |
893fe2c2 JH |
3136 | || (!overflowed && ruv > 0xffffffff ) |
3137 | #endif | |
a1d180c4 | 3138 | ) { |
627300f0 JH |
3139 | if (ckWARN(WARN_PORTABLE)) |
3140 | Perl_warner(aTHX_ WARN_PORTABLE, | |
252aa082 JH |
3141 | "Hexadecimal number > 0xffffffff non-portable"); |
3142 | } | |
fe14fcc3 | 3143 | *retlen = s - start; |
9e24b6e2 | 3144 | return rnv; |
fe14fcc3 | 3145 | } |
760ac839 | 3146 | |
491527d0 | 3147 | char* |
864dbfa3 | 3148 | Perl_find_script(pTHX_ char *scriptname, bool dosearch, char **search_ext, I32 flags) |
491527d0 | 3149 | { |
491527d0 GS |
3150 | char *xfound = Nullch; |
3151 | char *xfailed = Nullch; | |
0f31cffe | 3152 | char tmpbuf[MAXPATHLEN]; |
491527d0 GS |
3153 | register char *s; |
3154 | I32 len; | |
3155 | int retval; | |
3156 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
3157 | # define SEARCH_EXTS ".bat", ".cmd", NULL | |
3158 | # define MAX_EXT_LEN 4 | |
3159 | #endif | |
3160 | #ifdef OS2 | |
3161 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
3162 | # define MAX_EXT_LEN 4 | |
3163 | #endif | |
3164 | #ifdef VMS | |
3165 | # define SEARCH_EXTS ".pl", ".com", NULL | |
3166 | # define MAX_EXT_LEN 4 | |
3167 | #endif | |
3168 | /* additional extensions to try in each dir if scriptname not found */ | |
3169 | #ifdef SEARCH_EXTS | |
3170 | char *exts[] = { SEARCH_EXTS }; | |
3171 | char **ext = search_ext ? search_ext : exts; | |
3172 | int extidx = 0, i = 0; | |
3173 | char *curext = Nullch; | |
3174 | #else | |
3175 | # define MAX_EXT_LEN 0 | |
3176 | #endif | |
3177 | ||
3178 | /* | |
3179 | * If dosearch is true and if scriptname does not contain path | |
3180 | * delimiters, search the PATH for scriptname. | |
3181 | * | |
3182 | * If SEARCH_EXTS is also defined, will look for each | |
3183 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
3184 | * while searching the PATH. | |
3185 | * | |
3186 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
3187 | * proceeds as follows: | |
3188 | * If DOSISH or VMSISH: | |
3189 | * + look for ./scriptname{,.foo,.bar} | |
3190 | * + search the PATH for scriptname{,.foo,.bar} | |
3191 | * | |
3192 | * If !DOSISH: | |
3193 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
3194 | * this will not look in '.' if it's not in the PATH) | |
3195 | */ | |
84486fc6 | 3196 | tmpbuf[0] = '\0'; |
491527d0 GS |
3197 | |
3198 | #ifdef VMS | |
3199 | # ifdef ALWAYS_DEFTYPES | |
3200 | len = strlen(scriptname); | |
3201 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
3202 | int hasdir, idx = 0, deftypes = 1; | |
3203 | bool seen_dot = 1; | |
3204 | ||
3205 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
3206 | # else | |
3207 | if (dosearch) { | |
3208 | int hasdir, idx = 0, deftypes = 1; | |
3209 | bool seen_dot = 1; | |
3210 | ||
3211 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
3212 | # endif | |
3213 | /* The first time through, just add SEARCH_EXTS to whatever we | |
3214 | * already have, so we can check for default file types. */ | |
3215 | while (deftypes || | |
84486fc6 | 3216 | (!hasdir && my_trnlnm("DCL$PATH",tmpbuf,idx++)) ) |
491527d0 GS |
3217 | { |
3218 | if (deftypes) { | |
3219 | deftypes = 0; | |
84486fc6 | 3220 | *tmpbuf = '\0'; |
491527d0 | 3221 | } |
84486fc6 GS |
3222 | if ((strlen(tmpbuf) + strlen(scriptname) |
3223 | + MAX_EXT_LEN) >= sizeof tmpbuf) | |
491527d0 | 3224 | continue; /* don't search dir with too-long name */ |
84486fc6 | 3225 | strcat(tmpbuf, scriptname); |
491527d0 GS |
3226 | #else /* !VMS */ |
3227 | ||
3228 | #ifdef DOSISH | |
3229 | if (strEQ(scriptname, "-")) | |
3230 | dosearch = 0; | |
3231 | if (dosearch) { /* Look in '.' first. */ | |
3232 | char *cur = scriptname; | |
3233 | #ifdef SEARCH_EXTS | |
3234 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
3235 | while (ext[i]) | |
3236 | if (strEQ(ext[i++],curext)) { | |
3237 | extidx = -1; /* already has an ext */ | |
3238 | break; | |
3239 | } | |
3240 | do { | |
3241 | #endif | |
3242 | DEBUG_p(PerlIO_printf(Perl_debug_log, | |
3243 | "Looking for %s\n",cur)); | |
017f25f1 IZ |
3244 | if (PerlLIO_stat(cur,&PL_statbuf) >= 0 |
3245 | && !S_ISDIR(PL_statbuf.st_mode)) { | |
491527d0 GS |
3246 | dosearch = 0; |
3247 | scriptname = cur; | |
3248 | #ifdef SEARCH_EXTS | |
3249 | break; | |
3250 | #endif | |
3251 | } | |
3252 | #ifdef SEARCH_EXTS | |
3253 | if (cur == scriptname) { | |
3254 | len = strlen(scriptname); | |
84486fc6 | 3255 | if (len+MAX_EXT_LEN+1 >= sizeof(tmpbuf)) |
491527d0 | 3256 | break; |
84486fc6 | 3257 | cur = strcpy(tmpbuf, scriptname); |
491527d0 GS |
3258 | } |
3259 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
84486fc6 | 3260 | && strcpy(tmpbuf+len, ext[extidx++])); |
491527d0 GS |
3261 | #endif |
3262 | } | |
3263 | #endif | |
3264 | ||
cd39f2b6 JH |
3265 | #ifdef MACOS_TRADITIONAL |
3266 | if (dosearch && !strchr(scriptname, ':') && | |
3267 | (s = PerlEnv_getenv("Commands"))) | |
3268 | #else | |
491527d0 GS |
3269 | if (dosearch && !strchr(scriptname, '/') |
3270 | #ifdef DOSISH | |
3271 | && !strchr(scriptname, '\\') | |
3272 | #endif | |
cd39f2b6 JH |
3273 | && (s = PerlEnv_getenv("PATH"))) |
3274 | #endif | |
3275 | { | |
491527d0 GS |
3276 | bool seen_dot = 0; |
3277 | ||
3280af22 NIS |
3278 | PL_bufend = s + strlen(s); |
3279 | while (s < PL_bufend) { | |
cd39f2b6 JH |
3280 | #ifdef MACOS_TRADITIONAL |
3281 | s = delimcpy(tmpbuf, tmpbuf + sizeof tmpbuf, s, PL_bufend, | |
3282 | ',', | |
3283 | &len); | |
3284 | #else | |
491527d0 GS |
3285 | #if defined(atarist) || defined(DOSISH) |
3286 | for (len = 0; *s | |
3287 | # ifdef atarist | |
3288 | && *s != ',' | |
3289 | # endif | |
3290 | && *s != ';'; len++, s++) { | |
84486fc6 GS |
3291 | if (len < sizeof tmpbuf) |
3292 | tmpbuf[len] = *s; | |
491527d0 | 3293 | } |
84486fc6 GS |
3294 | if (len < sizeof tmpbuf) |
3295 | tmpbuf[len] = '\0'; | |
491527d0 | 3296 | #else /* ! (atarist || DOSISH) */ |
3280af22 | 3297 | s = delimcpy(tmpbuf, tmpbuf + sizeof tmpbuf, s, PL_bufend, |
491527d0 GS |
3298 | ':', |
3299 | &len); | |
3300 | #endif /* ! (atarist || DOSISH) */ | |
cd39f2b6 | 3301 | #endif /* MACOS_TRADITIONAL */ |
3280af22 | 3302 | if (s < PL_bufend) |
491527d0 | 3303 | s++; |
84486fc6 | 3304 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tmpbuf) |
491527d0 | 3305 | continue; /* don't search dir with too-long name */ |
cd39f2b6 JH |
3306 | #ifdef MACOS_TRADITIONAL |
3307 | if (len && tmpbuf[len - 1] != ':') | |
3308 | tmpbuf[len++] = ':'; | |
3309 | #else | |
491527d0 | 3310 | if (len |
61ae2fbf | 3311 | #if defined(atarist) || defined(__MINT__) || defined(DOSISH) |
84486fc6 GS |
3312 | && tmpbuf[len - 1] != '/' |
3313 | && tmpbuf[len - 1] != '\\' | |
491527d0 GS |
3314 | #endif |
3315 | ) | |
84486fc6 GS |
3316 | tmpbuf[len++] = '/'; |
3317 | if (len == 2 && tmpbuf[0] == '.') | |
491527d0 | 3318 | seen_dot = 1; |
cd39f2b6 | 3319 | #endif |
84486fc6 | 3320 | (void)strcpy(tmpbuf + len, scriptname); |
491527d0 GS |
3321 | #endif /* !VMS */ |
3322 | ||
3323 | #ifdef SEARCH_EXTS | |
84486fc6 | 3324 | len = strlen(tmpbuf); |
491527d0 GS |
3325 | if (extidx > 0) /* reset after previous loop */ |
3326 | extidx = 0; | |
3327 | do { | |
3328 | #endif | |
84486fc6 | 3329 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tmpbuf)); |
3280af22 | 3330 | retval = PerlLIO_stat(tmpbuf,&PL_statbuf); |
017f25f1 IZ |
3331 | if (S_ISDIR(PL_statbuf.st_mode)) { |
3332 | retval = -1; | |
3333 | } | |
491527d0 GS |
3334 | #ifdef SEARCH_EXTS |
3335 | } while ( retval < 0 /* not there */ | |
3336 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
84486fc6 | 3337 | && strcpy(tmpbuf+len, ext[extidx++]) |
491527d0 GS |
3338 | ); |
3339 | #endif | |
3340 | if (retval < 0) | |
3341 | continue; | |
3280af22 NIS |
3342 | if (S_ISREG(PL_statbuf.st_mode) |
3343 | && cando(S_IRUSR,TRUE,&PL_statbuf) | |
73811745 | 3344 | #if !defined(DOSISH) && !defined(MACOS_TRADITIONAL) |
3280af22 | 3345 | && cando(S_IXUSR,TRUE,&PL_statbuf) |
491527d0 GS |
3346 | #endif |
3347 | ) | |
3348 | { | |
84486fc6 | 3349 | xfound = tmpbuf; /* bingo! */ |
491527d0 GS |
3350 | break; |
3351 | } | |
3352 | if (!xfailed) | |
84486fc6 | 3353 | xfailed = savepv(tmpbuf); |
491527d0 GS |
3354 | } |
3355 | #ifndef DOSISH | |
017f25f1 | 3356 | if (!xfound && !seen_dot && !xfailed && |
a1d180c4 | 3357 | (PerlLIO_stat(scriptname,&PL_statbuf) < 0 |
017f25f1 | 3358 | || S_ISDIR(PL_statbuf.st_mode))) |
491527d0 GS |
3359 | #endif |
3360 | seen_dot = 1; /* Disable message. */ | |
9ccb31f9 GS |
3361 | if (!xfound) { |
3362 | if (flags & 1) { /* do or die? */ | |
cea2e8a9 | 3363 | Perl_croak(aTHX_ "Can't %s %s%s%s", |
9ccb31f9 GS |
3364 | (xfailed ? "execute" : "find"), |
3365 | (xfailed ? xfailed : scriptname), | |
3366 | (xfailed ? "" : " on PATH"), | |
3367 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
3368 | } | |
3369 | scriptname = Nullch; | |
3370 | } | |
491527d0 GS |
3371 | if (xfailed) |
3372 | Safefree(xfailed); | |
3373 | scriptname = xfound; | |
3374 | } | |
9ccb31f9 | 3375 | return (scriptname ? savepv(scriptname) : Nullch); |
491527d0 GS |
3376 | } |
3377 | ||
ba869deb GS |
3378 | #ifndef PERL_GET_CONTEXT_DEFINED |
3379 | ||
3380 | void * | |
3381 | Perl_get_context(void) | |
3382 | { | |
3383 | #if defined(USE_THREADS) || defined(USE_ITHREADS) | |
3384 | # ifdef OLD_PTHREADS_API | |
3385 | pthread_addr_t t; | |
3386 | if (pthread_getspecific(PL_thr_key, &t)) | |
3387 | Perl_croak_nocontext("panic: pthread_getspecific"); | |
3388 | return (void*)t; | |
3389 | # else | |
c44d3fdb GS |
3390 | # ifdef I_MACH_CTHREADS |
3391 | return (void*)cthread_data(cthread_self()); | |
3392 | # else | |
ba869deb GS |
3393 | return (void*)pthread_getspecific(PL_thr_key); |
3394 | # endif | |
c44d3fdb | 3395 | # endif |
ba869deb GS |
3396 | #else |
3397 | return (void*)NULL; | |
3398 | #endif | |
3399 | } | |
3400 | ||
3401 | void | |
3402 | Perl_set_context(void *t) | |
3403 | { | |
3404 | #if defined(USE_THREADS) || defined(USE_ITHREADS) | |
c44d3fdb GS |
3405 | # ifdef I_MACH_CTHREADS |
3406 | cthread_set_data(cthread_self(), t); | |
3407 | # else | |
ba869deb GS |
3408 | if (pthread_setspecific(PL_thr_key, t)) |
3409 | Perl_croak_nocontext("panic: pthread_setspecific"); | |
c44d3fdb | 3410 | # endif |
ba869deb GS |
3411 | #endif |
3412 | } | |
3413 | ||
3414 | #endif /* !PERL_GET_CONTEXT_DEFINED */ | |
491527d0 | 3415 | |
11343788 | 3416 | #ifdef USE_THREADS |
ba869deb | 3417 | |
12ca11f6 MB |
3418 | #ifdef FAKE_THREADS |
3419 | /* Very simplistic scheduler for now */ | |
3420 | void | |
3421 | schedule(void) | |
3422 | { | |
c7848ba1 | 3423 | thr = thr->i.next_run; |
12ca11f6 MB |
3424 | } |
3425 | ||
3426 | void | |
864dbfa3 | 3427 | Perl_cond_init(pTHX_ perl_cond *cp) |
12ca11f6 MB |
3428 | { |
3429 | *cp = 0; | |
3430 | } | |
3431 | ||
3432 | void | |
864dbfa3 | 3433 | Perl_cond_signal(pTHX_ perl_cond *cp) |
12ca11f6 | 3434 | { |
51dd5992 | 3435 | perl_os_thread t; |
12ca11f6 | 3436 | perl_cond cond = *cp; |
a1d180c4 | 3437 | |
12ca11f6 MB |
3438 | if (!cond) |
3439 | return; | |
3440 | t = cond->thread; | |
3441 | /* Insert t in the runnable queue just ahead of us */ | |
c7848ba1 MB |
3442 | t->i.next_run = thr->i.next_run; |
3443 | thr->i.next_run->i.prev_run = t; | |
3444 | t->i.prev_run = thr; | |
3445 | thr->i.next_run = t; | |
3446 | thr->i.wait_queue = 0; | |
12ca11f6 MB |
3447 | /* Remove from the wait queue */ |
3448 | *cp = cond->next; | |
3449 | Safefree(cond); | |
3450 | } | |
3451 | ||
3452 | void | |
864dbfa3 | 3453 | Perl_cond_broadcast(pTHX_ perl_cond *cp) |
12ca11f6 | 3454 | { |
51dd5992 | 3455 | perl_os_thread t; |
12ca11f6 | 3456 | perl_cond cond, cond_next; |
a1d180c4 | 3457 | |
12ca11f6 MB |
3458 | for (cond = *cp; cond; cond = cond_next) { |
3459 | t = cond->thread; | |
3460 | /* Insert t in the runnable queue just ahead of us */ | |
c7848ba1 MB |
3461 | t->i.next_run = thr->i.next_run; |
3462 | thr->i.next_run->i.prev_run = t; | |
3463 | t->i.prev_run = thr; | |
3464 | thr->i.next_run = t; | |
3465 | thr->i.wait_queue = 0; | |
12ca11f6 MB |
3466 | /* Remove from the wait queue */ |
3467 | cond_next = cond->next; | |
3468 | Safefree(cond); | |
3469 | } | |
3470 | *cp = 0; | |
3471 | } | |
3472 | ||
3473 | void | |
864dbfa3 | 3474 | Perl_cond_wait(pTHX_ perl_cond *cp) |
12ca11f6 MB |
3475 | { |
3476 | perl_cond cond; | |
3477 | ||
c7848ba1 | 3478 | if (thr->i.next_run == thr) |
cea2e8a9 | 3479 | Perl_croak(aTHX_ "panic: perl_cond_wait called by last runnable thread"); |
a1d180c4 | 3480 | |
0f15f207 | 3481 | New(666, cond, 1, struct perl_wait_queue); |
12ca11f6 MB |
3482 | cond->thread = thr; |
3483 | cond->next = *cp; | |
3484 | *cp = cond; | |
c7848ba1 | 3485 | thr->i.wait_queue = cond; |
12ca11f6 | 3486 | /* Remove ourselves from runnable queue */ |
c7848ba1 MB |
3487 | thr->i.next_run->i.prev_run = thr->i.prev_run; |
3488 | thr->i.prev_run->i.next_run = thr->i.next_run; | |
12ca11f6 MB |
3489 | } |
3490 | #endif /* FAKE_THREADS */ | |
3491 | ||
f93b4edd | 3492 | MAGIC * |
864dbfa3 | 3493 | Perl_condpair_magic(pTHX_ SV *sv) |
f93b4edd MB |
3494 | { |
3495 | MAGIC *mg; | |
a1d180c4 | 3496 | |
f93b4edd MB |
3497 | SvUPGRADE(sv, SVt_PVMG); |
3498 | mg = mg_find(sv, 'm'); | |
3499 | if (!mg) { | |
3500 | condpair_t *cp; | |
3501 | ||
3502 | New(53, cp, 1, condpair_t); | |
3503 | MUTEX_INIT(&cp->mutex); | |
3504 | COND_INIT(&cp->owner_cond); | |
3505 | COND_INIT(&cp->cond); | |
3506 | cp->owner = 0; | |
1feb2720 | 3507 | LOCK_CRED_MUTEX; /* XXX need separate mutex? */ |
f93b4edd MB |
3508 | mg = mg_find(sv, 'm'); |
3509 | if (mg) { | |
3510 | /* someone else beat us to initialising it */ | |
1feb2720 | 3511 | UNLOCK_CRED_MUTEX; /* XXX need separate mutex? */ |
f93b4edd MB |
3512 | MUTEX_DESTROY(&cp->mutex); |
3513 | COND_DESTROY(&cp->owner_cond); | |
3514 | COND_DESTROY(&cp->cond); | |
3515 | Safefree(cp); | |
3516 | } | |
3517 | else { | |
3518 | sv_magic(sv, Nullsv, 'm', 0, 0); | |
3519 | mg = SvMAGIC(sv); | |
3520 | mg->mg_ptr = (char *)cp; | |
565764a8 | 3521 | mg->mg_len = sizeof(cp); |
1feb2720 | 3522 | UNLOCK_CRED_MUTEX; /* XXX need separate mutex? */ |
bf49b057 | 3523 | DEBUG_S(WITH_THR(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 3524 | "%p: condpair_magic %p\n", thr, sv));) |
f93b4edd MB |
3525 | } |
3526 | } | |
3527 | return mg; | |
3528 | } | |
a863c7d1 | 3529 | |
3d35f11b | 3530 | SV * |
4755096e | 3531 | Perl_sv_lock(pTHX_ SV *osv) |
3d35f11b GS |
3532 | { |
3533 | MAGIC *mg; | |
3534 | SV *sv = osv; | |
3535 | ||
631cfb58 | 3536 | LOCK_SV_LOCK_MUTEX; |
3d35f11b GS |
3537 | if (SvROK(sv)) { |
3538 | sv = SvRV(sv); | |
3d35f11b GS |
3539 | } |
3540 | ||
3541 | mg = condpair_magic(sv); | |
3542 | MUTEX_LOCK(MgMUTEXP(mg)); | |
3543 | if (MgOWNER(mg) == thr) | |
3544 | MUTEX_UNLOCK(MgMUTEXP(mg)); | |
4755096e | 3545 | else { |
3d35f11b GS |
3546 | while (MgOWNER(mg)) |
3547 | COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg)); | |
3548 | MgOWNER(mg) = thr; | |
4755096e GS |
3549 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
3550 | "0x%"UVxf": Perl_lock lock 0x%"UVxf"\n", | |
3d35f11b GS |
3551 | PTR2UV(thr), PTR2UV(sv));) |
3552 | MUTEX_UNLOCK(MgMUTEXP(mg)); | |
3553 | SAVEDESTRUCTOR_X(Perl_unlock_condpair, sv); | |
3554 | } | |
631cfb58 | 3555 | UNLOCK_SV_LOCK_MUTEX; |
4755096e | 3556 | return sv; |
3d35f11b GS |
3557 | } |
3558 | ||
a863c7d1 | 3559 | /* |
199100c8 MB |
3560 | * Make a new perl thread structure using t as a prototype. Some of the |
3561 | * fields for the new thread are copied from the prototype thread, t, | |
3562 | * so t should not be running in perl at the time this function is | |
3563 | * called. The use by ext/Thread/Thread.xs in core perl (where t is the | |
3564 | * thread calling new_struct_thread) clearly satisfies this constraint. | |
a863c7d1 | 3565 | */ |
52e1cb5e | 3566 | struct perl_thread * |
864dbfa3 | 3567 | Perl_new_struct_thread(pTHX_ struct perl_thread *t) |
a863c7d1 | 3568 | { |
c5be433b | 3569 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 3570 | struct perl_thread *thr; |
cea2e8a9 | 3571 | #endif |
a863c7d1 | 3572 | SV *sv; |
199100c8 MB |
3573 | SV **svp; |
3574 | I32 i; | |
3575 | ||
79cb57f6 | 3576 | sv = newSVpvn("", 0); |
52e1cb5e JH |
3577 | SvGROW(sv, sizeof(struct perl_thread) + 1); |
3578 | SvCUR_set(sv, sizeof(struct perl_thread)); | |
199100c8 | 3579 | thr = (Thread) SvPVX(sv); |
949ced2d | 3580 | #ifdef DEBUGGING |
52e1cb5e | 3581 | memset(thr, 0xab, sizeof(struct perl_thread)); |
533c011a NIS |
3582 | PL_markstack = 0; |
3583 | PL_scopestack = 0; | |
3584 | PL_savestack = 0; | |
3585 | PL_retstack = 0; | |
3586 | PL_dirty = 0; | |
3587 | PL_localizing = 0; | |
949ced2d | 3588 | Zero(&PL_hv_fetch_ent_mh, 1, HE); |
d0e9ca0c HS |
3589 | PL_efloatbuf = (char*)NULL; |
3590 | PL_efloatsize = 0; | |
949ced2d GS |
3591 | #else |
3592 | Zero(thr, 1, struct perl_thread); | |
3593 | #endif | |
199100c8 MB |
3594 | |
3595 | thr->oursv = sv; | |
cea2e8a9 | 3596 | init_stacks(); |
a863c7d1 | 3597 | |
533c011a | 3598 | PL_curcop = &PL_compiling; |
c5be433b | 3599 | thr->interp = t->interp; |
199100c8 | 3600 | thr->cvcache = newHV(); |
54b9620d | 3601 | thr->threadsv = newAV(); |
a863c7d1 | 3602 | thr->specific = newAV(); |
79cb57f6 | 3603 | thr->errsv = newSVpvn("", 0); |
a863c7d1 | 3604 | thr->flags = THRf_R_JOINABLE; |
8dcd6f7b | 3605 | thr->thr_done = 0; |
a863c7d1 | 3606 | MUTEX_INIT(&thr->mutex); |
199100c8 | 3607 | |
5c831c24 | 3608 | JMPENV_BOOTSTRAP; |
533c011a | 3609 | |
6dc8a9e4 | 3610 | PL_in_eval = EVAL_NULL; /* ~(EVAL_INEVAL|EVAL_WARNONLY|EVAL_KEEPERR|EVAL_INREQUIRE) */ |
533c011a NIS |
3611 | PL_restartop = 0; |
3612 | ||
b099ddc0 | 3613 | PL_statname = NEWSV(66,0); |
5a844595 | 3614 | PL_errors = newSVpvn("", 0); |
b099ddc0 | 3615 | PL_maxscream = -1; |
0b94c7bb GS |
3616 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
3617 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
3618 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
3619 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
3620 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
b099ddc0 GS |
3621 | PL_regindent = 0; |
3622 | PL_reginterp_cnt = 0; | |
3623 | PL_lastscream = Nullsv; | |
3624 | PL_screamfirst = 0; | |
3625 | PL_screamnext = 0; | |
3626 | PL_reg_start_tmp = 0; | |
3627 | PL_reg_start_tmpl = 0; | |
14ed4b74 | 3628 | PL_reg_poscache = Nullch; |
b099ddc0 GS |
3629 | |
3630 | /* parent thread's data needs to be locked while we make copy */ | |
3631 | MUTEX_LOCK(&t->mutex); | |
3632 | ||
14dd3ad8 | 3633 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 3634 | PL_protect = t->Tprotect; |
14dd3ad8 | 3635 | #endif |
312caa8e | 3636 | |
b099ddc0 GS |
3637 | PL_curcop = t->Tcurcop; /* XXX As good a guess as any? */ |
3638 | PL_defstash = t->Tdefstash; /* XXX maybe these should */ | |
3639 | PL_curstash = t->Tcurstash; /* always be set to main? */ | |
3640 | ||
6b88bc9c | 3641 | PL_tainted = t->Ttainted; |
84fee439 NIS |
3642 | PL_curpm = t->Tcurpm; /* XXX No PMOP ref count */ |
3643 | PL_nrs = newSVsv(t->Tnrs); | |
3644 | PL_rs = SvREFCNT_inc(PL_nrs); | |
3645 | PL_last_in_gv = Nullgv; | |
3646 | PL_ofslen = t->Tofslen; | |
3647 | PL_ofs = savepvn(t->Tofs, PL_ofslen); | |
3648 | PL_defoutgv = (GV*)SvREFCNT_inc(t->Tdefoutgv); | |
3649 | PL_chopset = t->Tchopset; | |
84fee439 NIS |
3650 | PL_bodytarget = newSVsv(t->Tbodytarget); |
3651 | PL_toptarget = newSVsv(t->Ttoptarget); | |
5c831c24 GS |
3652 | if (t->Tformtarget == t->Ttoptarget) |
3653 | PL_formtarget = PL_toptarget; | |
3654 | else | |
3655 | PL_formtarget = PL_bodytarget; | |
533c011a | 3656 | |
54b9620d MB |
3657 | /* Initialise all per-thread SVs that the template thread used */ |
3658 | svp = AvARRAY(t->threadsv); | |
93965878 | 3659 | for (i = 0; i <= AvFILLp(t->threadsv); i++, svp++) { |
533c011a | 3660 | if (*svp && *svp != &PL_sv_undef) { |
199100c8 | 3661 | SV *sv = newSVsv(*svp); |
54b9620d | 3662 | av_store(thr->threadsv, i, sv); |
533c011a | 3663 | sv_magic(sv, 0, 0, &PL_threadsv_names[i], 1); |
bf49b057 | 3664 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
f1dbda3d JH |
3665 | "new_struct_thread: copied threadsv %"IVdf" %p->%p\n", |
3666 | (IV)i, t, thr)); | |
199100c8 | 3667 | } |
a1d180c4 | 3668 | } |
940cb80d | 3669 | thr->threadsvp = AvARRAY(thr->threadsv); |
199100c8 | 3670 | |
533c011a NIS |
3671 | MUTEX_LOCK(&PL_threads_mutex); |
3672 | PL_nthreads++; | |
3673 | thr->tid = ++PL_threadnum; | |
199100c8 MB |
3674 | thr->next = t->next; |
3675 | thr->prev = t; | |
3676 | t->next = thr; | |
3677 | thr->next->prev = thr; | |
533c011a | 3678 | MUTEX_UNLOCK(&PL_threads_mutex); |
a863c7d1 | 3679 | |
b099ddc0 GS |
3680 | /* done copying parent's state */ |
3681 | MUTEX_UNLOCK(&t->mutex); | |
3682 | ||
a863c7d1 | 3683 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 3684 | Perl_init_thread_intern(thr); |
a863c7d1 | 3685 | #endif /* HAVE_THREAD_INTERN */ |
a863c7d1 MB |
3686 | return thr; |
3687 | } | |
11343788 | 3688 | #endif /* USE_THREADS */ |
760ac839 | 3689 | |
4d46a988 | 3690 | #if defined(HUGE_VAL) || (defined(USE_LONG_DOUBLE) && defined(HUGE_VALL)) |
760ac839 LW |
3691 | /* |
3692 | * This hack is to force load of "huge" support from libm.a | |
a1d180c4 | 3693 | * So it is in perl for (say) POSIX to use. |
760ac839 LW |
3694 | * Needed for SunOS with Sun's 'acc' for example. |
3695 | */ | |
a1d180c4 | 3696 | NV |
8ac85365 | 3697 | Perl_huge(void) |
760ac839 | 3698 | { |
4d46a988 JH |
3699 | # if defined(USE_LONG_DOUBLE) && defined(HUGE_VALL) |
3700 | return HUGE_VALL; | |
3701 | # endif | |
3702 | return HUGE_VAL; | |
760ac839 LW |
3703 | } |
3704 | #endif | |
4e35701f | 3705 | |
22239a37 NIS |
3706 | #ifdef PERL_GLOBAL_STRUCT |
3707 | struct perl_vars * | |
864dbfa3 | 3708 | Perl_GetVars(pTHX) |
22239a37 | 3709 | { |
533c011a | 3710 | return &PL_Vars; |
22239a37 | 3711 | } |
31fb1209 NIS |
3712 | #endif |
3713 | ||
3714 | char ** | |
864dbfa3 | 3715 | Perl_get_op_names(pTHX) |
31fb1209 | 3716 | { |
22c35a8c | 3717 | return PL_op_name; |
31fb1209 NIS |
3718 | } |
3719 | ||
3720 | char ** | |
864dbfa3 | 3721 | Perl_get_op_descs(pTHX) |
31fb1209 | 3722 | { |
22c35a8c | 3723 | return PL_op_desc; |
31fb1209 | 3724 | } |
9e6b2b00 GS |
3725 | |
3726 | char * | |
864dbfa3 | 3727 | Perl_get_no_modify(pTHX) |
9e6b2b00 | 3728 | { |
22c35a8c | 3729 | return (char*)PL_no_modify; |
9e6b2b00 GS |
3730 | } |
3731 | ||
3732 | U32 * | |
864dbfa3 | 3733 | Perl_get_opargs(pTHX) |
9e6b2b00 | 3734 | { |
22c35a8c | 3735 | return PL_opargs; |
9e6b2b00 | 3736 | } |
51aa15f3 | 3737 | |
0cb96387 GS |
3738 | PPADDR_t* |
3739 | Perl_get_ppaddr(pTHX) | |
3740 | { | |
12ae5dfc | 3741 | return (PPADDR_t*)PL_ppaddr; |
0cb96387 GS |
3742 | } |
3743 | ||
a6c40364 GS |
3744 | #ifndef HAS_GETENV_LEN |
3745 | char * | |
bf4acbe4 | 3746 | Perl_getenv_len(pTHX_ const char *env_elem, unsigned long *len) |
a6c40364 GS |
3747 | { |
3748 | char *env_trans = PerlEnv_getenv(env_elem); | |
3749 | if (env_trans) | |
3750 | *len = strlen(env_trans); | |
3751 | return env_trans; | |
f675dbe5 CB |
3752 | } |
3753 | #endif | |
3754 | ||
dc9e4912 GS |
3755 | |
3756 | MGVTBL* | |
864dbfa3 | 3757 | Perl_get_vtbl(pTHX_ int vtbl_id) |
dc9e4912 GS |
3758 | { |
3759 | MGVTBL* result = Null(MGVTBL*); | |
3760 | ||
3761 | switch(vtbl_id) { | |
3762 | case want_vtbl_sv: | |
3763 | result = &PL_vtbl_sv; | |
3764 | break; | |
3765 | case want_vtbl_env: | |
3766 | result = &PL_vtbl_env; | |
3767 | break; | |
3768 | case want_vtbl_envelem: | |
3769 | result = &PL_vtbl_envelem; | |
3770 | break; | |
3771 | case want_vtbl_sig: | |
3772 | result = &PL_vtbl_sig; | |
3773 | break; | |
3774 | case want_vtbl_sigelem: | |
3775 | result = &PL_vtbl_sigelem; | |
3776 | break; | |
3777 | case want_vtbl_pack: | |
3778 | result = &PL_vtbl_pack; | |
3779 | break; | |
3780 | case want_vtbl_packelem: | |
3781 | result = &PL_vtbl_packelem; | |
3782 | break; | |
3783 | case want_vtbl_dbline: | |
3784 | result = &PL_vtbl_dbline; | |
3785 | break; | |
3786 | case want_vtbl_isa: | |
3787 | result = &PL_vtbl_isa; | |
3788 | break; | |
3789 | case want_vtbl_isaelem: | |
3790 | result = &PL_vtbl_isaelem; | |
3791 | break; | |
3792 | case want_vtbl_arylen: | |
3793 | result = &PL_vtbl_arylen; | |
3794 | break; | |
3795 | case want_vtbl_glob: | |
3796 | result = &PL_vtbl_glob; | |
3797 | break; | |
3798 | case want_vtbl_mglob: | |
3799 | result = &PL_vtbl_mglob; | |
3800 | break; | |
3801 | case want_vtbl_nkeys: | |
3802 | result = &PL_vtbl_nkeys; | |
3803 | break; | |
3804 | case want_vtbl_taint: | |
3805 | result = &PL_vtbl_taint; | |
3806 | break; | |
3807 | case want_vtbl_substr: | |
3808 | result = &PL_vtbl_substr; | |
3809 | break; | |
3810 | case want_vtbl_vec: | |
3811 | result = &PL_vtbl_vec; | |
3812 | break; | |
3813 | case want_vtbl_pos: | |
3814 | result = &PL_vtbl_pos; | |
3815 | break; | |
3816 | case want_vtbl_bm: | |
3817 | result = &PL_vtbl_bm; | |
3818 | break; | |
3819 | case want_vtbl_fm: | |
3820 | result = &PL_vtbl_fm; | |
3821 | break; | |
3822 | case want_vtbl_uvar: | |
3823 | result = &PL_vtbl_uvar; | |
3824 | break; | |
3825 | #ifdef USE_THREADS | |
3826 | case want_vtbl_mutex: | |
3827 | result = &PL_vtbl_mutex; | |
3828 | break; | |
3829 | #endif | |
3830 | case want_vtbl_defelem: | |
3831 | result = &PL_vtbl_defelem; | |
3832 | break; | |
3833 | case want_vtbl_regexp: | |
3834 | result = &PL_vtbl_regexp; | |
3835 | break; | |
3836 | case want_vtbl_regdata: | |
3837 | result = &PL_vtbl_regdata; | |
3838 | break; | |
3839 | case want_vtbl_regdatum: | |
3840 | result = &PL_vtbl_regdatum; | |
3841 | break; | |
3c90161d | 3842 | #ifdef USE_LOCALE_COLLATE |
dc9e4912 GS |
3843 | case want_vtbl_collxfrm: |
3844 | result = &PL_vtbl_collxfrm; | |
3845 | break; | |
3c90161d | 3846 | #endif |
dc9e4912 GS |
3847 | case want_vtbl_amagic: |
3848 | result = &PL_vtbl_amagic; | |
3849 | break; | |
3850 | case want_vtbl_amagicelem: | |
3851 | result = &PL_vtbl_amagicelem; | |
3852 | break; | |
810b8aa5 GS |
3853 | case want_vtbl_backref: |
3854 | result = &PL_vtbl_backref; | |
3855 | break; | |
dc9e4912 GS |
3856 | } |
3857 | return result; | |
3858 | } | |
3859 | ||
767df6a1 | 3860 | I32 |
864dbfa3 | 3861 | Perl_my_fflush_all(pTHX) |
767df6a1 | 3862 | { |
74cac757 | 3863 | #if defined(FFLUSH_NULL) |
ce720889 | 3864 | return PerlIO_flush(NULL); |
767df6a1 | 3865 | #else |
74cac757 JH |
3866 | # if defined(HAS__FWALK) |
3867 | /* undocumented, unprototyped, but very useful BSDism */ | |
3868 | extern void _fwalk(int (*)(FILE *)); | |
3869 | _fwalk(&fflush); | |
3870 | return 0; | |
3871 | # else | |
767df6a1 | 3872 | long open_max = -1; |
74cac757 JH |
3873 | # if defined(FFLUSH_ALL) && defined(HAS_STDIO_STREAM_ARRAY) |
3874 | # ifdef PERL_FFLUSH_ALL_FOPEN_MAX | |
d2201af2 | 3875 | open_max = PERL_FFLUSH_ALL_FOPEN_MAX; |
74cac757 JH |
3876 | # else |
3877 | # if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX) | |
767df6a1 | 3878 | open_max = sysconf(_SC_OPEN_MAX); |
767df6a1 | 3879 | # else |
74cac757 JH |
3880 | # ifdef FOPEN_MAX |
3881 | open_max = FOPEN_MAX; | |
767df6a1 | 3882 | # else |
74cac757 JH |
3883 | # ifdef OPEN_MAX |
3884 | open_max = OPEN_MAX; | |
3885 | # else | |
3886 | # ifdef _NFILE | |
d2201af2 | 3887 | open_max = _NFILE; |
74cac757 | 3888 | # endif |
767df6a1 JH |
3889 | # endif |
3890 | # endif | |
3891 | # endif | |
74cac757 | 3892 | # endif |
767df6a1 JH |
3893 | if (open_max > 0) { |
3894 | long i; | |
3895 | for (i = 0; i < open_max; i++) | |
d2201af2 AD |
3896 | if (STDIO_STREAM_ARRAY[i]._file >= 0 && |
3897 | STDIO_STREAM_ARRAY[i]._file < open_max && | |
3898 | STDIO_STREAM_ARRAY[i]._flag) | |
3899 | PerlIO_flush(&STDIO_STREAM_ARRAY[i]); | |
767df6a1 JH |
3900 | return 0; |
3901 | } | |
74cac757 | 3902 | # endif |
767df6a1 JH |
3903 | SETERRNO(EBADF,RMS$_IFI); |
3904 | return EOF; | |
74cac757 | 3905 | # endif |
767df6a1 JH |
3906 | #endif |
3907 | } | |
097ee67d | 3908 | |
65202027 | 3909 | NV |
69282e91 GS |
3910 | Perl_my_atof(pTHX_ const char* s) |
3911 | { | |
ebd4816b | 3912 | NV x = 0.0; |
097ee67d | 3913 | #ifdef USE_LOCALE_NUMERIC |
d43ce814 | 3914 | if ((PL_hints & HINT_LOCALE) && PL_numeric_local) { |
ebd4816b | 3915 | NV y; |
097ee67d | 3916 | |
ebd4816b | 3917 | Perl_atof2(s, x); |
097ee67d | 3918 | SET_NUMERIC_STANDARD(); |
ebd4816b | 3919 | Perl_atof2(s, y); |
097ee67d JH |
3920 | SET_NUMERIC_LOCAL(); |
3921 | if ((y < 0.0 && y < x) || (y > 0.0 && y > x)) | |
3922 | return y; | |
65202027 DS |
3923 | } |
3924 | else | |
ebd4816b | 3925 | Perl_atof2(s, x); |
097ee67d | 3926 | #else |
ebd4816b | 3927 | Perl_atof2(s, x); |
097ee67d | 3928 | #endif |
ebd4816b | 3929 | return x; |
097ee67d | 3930 | } |
69282e91 GS |
3931 | |
3932 | void | |
bc37a18f RG |
3933 | Perl_report_evil_fh(pTHX_ GV *gv, IO *io, I32 op) |
3934 | { | |
9c0fcd4f | 3935 | char *vile; |
4e34385f | 3936 | I32 warn_type; |
bc37a18f | 3937 | char *func = |
66fc2fa5 JH |
3938 | op == OP_READLINE ? "readline" : /* "<HANDLE>" not nice */ |
3939 | op == OP_LEAVEWRITE ? "write" : /* "write exit" not nice */ | |
bc37a18f RG |
3940 | PL_op_desc[op]; |
3941 | char *pars = OP_IS_FILETEST(op) ? "" : "()"; | |
50952442 | 3942 | char *type = OP_IS_SOCKET(op) || (io && IoTYPE(io) == IoTYPE_SOCKET) ? |
2dd78f96 | 3943 | "socket" : "filehandle"; |
9c0fcd4f | 3944 | char *name = NULL; |
bc37a18f | 3945 | |
50952442 | 3946 | if (io && IoTYPE(io) == IoTYPE_CLOSED) { |
9c0fcd4f | 3947 | vile = "closed"; |
4e34385f | 3948 | warn_type = WARN_CLOSED; |
2dd78f96 JH |
3949 | } |
3950 | else { | |
9c0fcd4f | 3951 | vile = "unopened"; |
4e34385f | 3952 | warn_type = WARN_UNOPENED; |
9c0fcd4f | 3953 | } |
bc37a18f | 3954 | |
66fc2fa5 JH |
3955 | if (gv && isGV(gv)) { |
3956 | SV *sv = sv_newmortal(); | |
3957 | gv_efullname4(sv, gv, Nullch, FALSE); | |
3958 | name = SvPVX(sv); | |
3959 | } | |
3960 | ||
2dd78f96 | 3961 | if (name && *name) { |
4e34385f | 3962 | Perl_warner(aTHX_ warn_type, |
9c0fcd4f | 3963 | "%s%s on %s %s %s", func, pars, vile, type, name); |
3e11456d | 3964 | if (io && IoDIRP(io) && !(IoFLAGS(io) & IOf_FAKE_DIRP)) |
4e34385f | 3965 | Perl_warner(aTHX_ warn_type, |
bc37a18f RG |
3966 | "\t(Are you trying to call %s%s on dirhandle %s?)\n", |
3967 | func, pars, name); | |
2dd78f96 JH |
3968 | } |
3969 | else { | |
4e34385f | 3970 | Perl_warner(aTHX_ warn_type, |
9c0fcd4f | 3971 | "%s%s on %s %s", func, pars, vile, type); |
3e11456d | 3972 | if (io && IoDIRP(io) && !(IoFLAGS(io) & IOf_FAKE_DIRP)) |
4e34385f | 3973 | Perl_warner(aTHX_ warn_type, |
bc37a18f RG |
3974 | "\t(Are you trying to call %s%s on dirhandle?)\n", |
3975 | func, pars); | |
3976 | } | |
69282e91 | 3977 | } |