Commit | Line | Data |
---|---|---|
79072805 LW |
1 | /* $RCSfile: hash.c,v $$Revision: 4.1 $$Date: 92/08/07 18:21:48 $ |
2 | * | |
3 | * Copyright (c) 1993, Larry Wall | |
4 | * | |
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. | |
7 | * | |
8 | * $Log: hash.c,v $ | |
9 | */ | |
10 | ||
11 | #include "EXTERN.h" | |
12 | #include "perl.h" | |
13 | ||
8990e307 LW |
14 | void |
15 | mg_magical(sv) | |
16 | SV* sv; | |
17 | { | |
18 | MAGIC* mg; | |
19 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { | |
20 | MGVTBL* vtbl = mg->mg_virtual; | |
21 | if (vtbl) { | |
22 | if (vtbl->svt_get) | |
23 | SvGMAGICAL_on(sv); | |
24 | if (vtbl->svt_set) | |
25 | SvSMAGICAL_on(sv); | |
26 | if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || vtbl->svt_clear) | |
27 | SvRMAGICAL_on(sv); | |
28 | } | |
29 | } | |
30 | } | |
31 | ||
79072805 LW |
32 | int |
33 | mg_get(sv) | |
34 | SV* sv; | |
35 | { | |
36 | MAGIC* mg; | |
8990e307 | 37 | U32 savemagic = SvMAGICAL(sv); |
463ee0b2 LW |
38 | |
39 | SvMAGICAL_off(sv); | |
8990e307 | 40 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 | 41 | |
79072805 LW |
42 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
43 | MGVTBL* vtbl = mg->mg_virtual; | |
44 | if (vtbl && vtbl->svt_get) | |
45 | (*vtbl->svt_get)(sv, mg); | |
46 | } | |
463ee0b2 | 47 | |
8990e307 LW |
48 | SvFLAGS(sv) |= savemagic; |
49 | assert(SvGMAGICAL(sv)); | |
463ee0b2 LW |
50 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
51 | ||
79072805 LW |
52 | return 0; |
53 | } | |
54 | ||
55 | int | |
56 | mg_set(sv) | |
57 | SV* sv; | |
58 | { | |
59 | MAGIC* mg; | |
463ee0b2 | 60 | MAGIC* nextmg; |
8990e307 | 61 | U32 savemagic = SvMAGICAL(sv); |
463ee0b2 LW |
62 | |
63 | SvMAGICAL_off(sv); | |
64 | ||
65 | for (mg = SvMAGIC(sv); mg; mg = nextmg) { | |
79072805 | 66 | MGVTBL* vtbl = mg->mg_virtual; |
463ee0b2 | 67 | nextmg = mg->mg_moremagic; /* it may delete itself */ |
79072805 LW |
68 | if (vtbl && vtbl->svt_set) |
69 | (*vtbl->svt_set)(sv, mg); | |
70 | } | |
463ee0b2 LW |
71 | |
72 | if (SvMAGIC(sv)) { | |
8990e307 LW |
73 | SvFLAGS(sv) |= savemagic; |
74 | if (SvGMAGICAL(sv)) | |
75 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
76 | } |
77 | ||
79072805 LW |
78 | return 0; |
79 | } | |
80 | ||
81 | U32 | |
82 | mg_len(sv) | |
83 | SV* sv; | |
84 | { | |
85 | MAGIC* mg; | |
463ee0b2 LW |
86 | char *s; |
87 | STRLEN len; | |
463ee0b2 | 88 | |
79072805 LW |
89 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
90 | MGVTBL* vtbl = mg->mg_virtual; | |
85e6fe83 LW |
91 | if (vtbl && vtbl->svt_len) { |
92 | U32 savemagic = SvMAGICAL(sv); | |
463ee0b2 | 93 | |
85e6fe83 LW |
94 | SvMAGICAL_off(sv); |
95 | SvFLAGS(sv) |= (SvFLAGS(sv)&(SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; | |
96 | ||
97 | len = (*vtbl->svt_len)(sv, mg); | |
463ee0b2 | 98 | |
85e6fe83 LW |
99 | SvFLAGS(sv) |= savemagic; |
100 | if (SvGMAGICAL(sv)) | |
101 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
102 | ||
103 | return len; | |
104 | } | |
105 | } | |
106 | ||
107 | s = SvPV(sv, len); | |
463ee0b2 | 108 | return len; |
79072805 LW |
109 | } |
110 | ||
111 | int | |
112 | mg_clear(sv) | |
113 | SV* sv; | |
114 | { | |
115 | MAGIC* mg; | |
8990e307 | 116 | U32 savemagic = SvMAGICAL(sv); |
463ee0b2 LW |
117 | |
118 | SvMAGICAL_off(sv); | |
8990e307 | 119 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 | 120 | |
79072805 LW |
121 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
122 | MGVTBL* vtbl = mg->mg_virtual; | |
123 | if (vtbl && vtbl->svt_clear) | |
124 | (*vtbl->svt_clear)(sv, mg); | |
125 | } | |
463ee0b2 | 126 | |
8990e307 LW |
127 | SvFLAGS(sv) |= savemagic; |
128 | if (SvGMAGICAL(sv)) | |
129 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 | 130 | |
79072805 LW |
131 | return 0; |
132 | } | |
133 | ||
93a17b20 | 134 | MAGIC* |
8990e307 | 135 | #ifndef STANDARD_C |
93a17b20 LW |
136 | mg_find(sv, type) |
137 | SV* sv; | |
138 | char type; | |
8990e307 LW |
139 | #else |
140 | mg_find(SV *sv, char type) | |
141 | #endif /* STANDARD_C */ | |
93a17b20 LW |
142 | { |
143 | MAGIC* mg; | |
93a17b20 LW |
144 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
145 | if (mg->mg_type == type) | |
146 | return mg; | |
147 | } | |
148 | return 0; | |
149 | } | |
150 | ||
79072805 | 151 | int |
463ee0b2 | 152 | mg_copy(sv, nsv, key, klen) |
79072805 | 153 | SV* sv; |
463ee0b2 LW |
154 | SV* nsv; |
155 | char *key; | |
156 | STRLEN klen; | |
79072805 | 157 | { |
463ee0b2 | 158 | int count = 0; |
79072805 | 159 | MAGIC* mg; |
463ee0b2 LW |
160 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
161 | if (isUPPER(mg->mg_type)) { | |
162 | sv_magic(nsv, mg->mg_obj, tolower(mg->mg_type), key, klen); | |
163 | count++; | |
79072805 | 164 | } |
79072805 | 165 | } |
463ee0b2 | 166 | return count; |
79072805 LW |
167 | } |
168 | ||
169 | int | |
463ee0b2 | 170 | mg_free(sv) |
79072805 LW |
171 | SV* sv; |
172 | { | |
173 | MAGIC* mg; | |
174 | MAGIC* moremagic; | |
175 | for (mg = SvMAGIC(sv); mg; mg = moremagic) { | |
176 | MGVTBL* vtbl = mg->mg_virtual; | |
177 | moremagic = mg->mg_moremagic; | |
178 | if (vtbl && vtbl->svt_free) | |
179 | (*vtbl->svt_free)(sv, mg); | |
93a17b20 | 180 | if (mg->mg_ptr && mg->mg_type != 'g') |
79072805 | 181 | Safefree(mg->mg_ptr); |
85e6fe83 | 182 | if (mg->mg_flags & MGf_REFCOUNTED) |
8990e307 | 183 | SvREFCNT_dec(mg->mg_obj); |
79072805 LW |
184 | Safefree(mg); |
185 | } | |
186 | SvMAGIC(sv) = 0; | |
187 | return 0; | |
188 | } | |
189 | ||
190 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) | |
191 | #include <signal.h> | |
192 | #endif | |
193 | ||
93a17b20 LW |
194 | U32 |
195 | magic_len(sv, mg) | |
196 | SV *sv; | |
197 | MAGIC *mg; | |
198 | { | |
199 | register I32 paren; | |
200 | register char *s; | |
201 | register I32 i; | |
202 | ||
203 | switch (*mg->mg_ptr) { | |
204 | case '1': case '2': case '3': case '4': | |
205 | case '5': case '6': case '7': case '8': case '9': case '&': | |
206 | if (curpm) { | |
207 | paren = atoi(mg->mg_ptr); | |
208 | getparen: | |
209 | if (curpm->op_pmregexp && | |
210 | paren <= curpm->op_pmregexp->nparens && | |
211 | (s = curpm->op_pmregexp->startp[paren]) ) { | |
212 | i = curpm->op_pmregexp->endp[paren] - s; | |
213 | if (i >= 0) | |
214 | return i; | |
215 | else | |
216 | return 0; | |
217 | } | |
218 | else | |
219 | return 0; | |
220 | } | |
221 | break; | |
222 | case '+': | |
223 | if (curpm) { | |
224 | paren = curpm->op_pmregexp->lastparen; | |
225 | goto getparen; | |
226 | } | |
227 | break; | |
228 | case '`': | |
229 | if (curpm) { | |
230 | if (curpm->op_pmregexp && | |
231 | (s = curpm->op_pmregexp->subbeg) ) { | |
232 | i = curpm->op_pmregexp->startp[0] - s; | |
233 | if (i >= 0) | |
234 | return i; | |
235 | else | |
236 | return 0; | |
237 | } | |
238 | else | |
239 | return 0; | |
240 | } | |
241 | break; | |
242 | case '\'': | |
243 | if (curpm) { | |
244 | if (curpm->op_pmregexp && | |
245 | (s = curpm->op_pmregexp->endp[0]) ) { | |
246 | return (STRLEN) (curpm->op_pmregexp->subend - s); | |
247 | } | |
248 | else | |
249 | return 0; | |
250 | } | |
251 | break; | |
252 | case ',': | |
253 | return (STRLEN)ofslen; | |
254 | case '\\': | |
255 | return (STRLEN)orslen; | |
256 | } | |
257 | magic_get(sv,mg); | |
258 | if (!SvPOK(sv) && SvNIOK(sv)) | |
463ee0b2 | 259 | sv_2pv(sv, &na); |
93a17b20 LW |
260 | if (SvPOK(sv)) |
261 | return SvCUR(sv); | |
262 | return 0; | |
263 | } | |
264 | ||
79072805 LW |
265 | int |
266 | magic_get(sv, mg) | |
267 | SV *sv; | |
268 | MAGIC *mg; | |
269 | { | |
270 | register I32 paren; | |
271 | register char *s; | |
272 | register I32 i; | |
273 | ||
274 | switch (*mg->mg_ptr) { | |
275 | case '\004': /* ^D */ | |
276 | sv_setiv(sv,(I32)(debug & 32767)); | |
277 | break; | |
278 | case '\006': /* ^F */ | |
279 | sv_setiv(sv,(I32)maxsysfd); | |
280 | break; | |
281 | case '\t': /* ^I */ | |
282 | if (inplace) | |
283 | sv_setpv(sv, inplace); | |
284 | else | |
285 | sv_setsv(sv,&sv_undef); | |
286 | break; | |
287 | case '\020': /* ^P */ | |
288 | sv_setiv(sv,(I32)perldb); | |
289 | break; | |
290 | case '\024': /* ^T */ | |
291 | sv_setiv(sv,(I32)basetime); | |
292 | break; | |
293 | case '\027': /* ^W */ | |
294 | sv_setiv(sv,(I32)dowarn); | |
295 | break; | |
296 | case '1': case '2': case '3': case '4': | |
297 | case '5': case '6': case '7': case '8': case '9': case '&': | |
298 | if (curpm) { | |
299 | paren = atoi(GvENAME(mg->mg_obj)); | |
300 | getparen: | |
301 | if (curpm->op_pmregexp && | |
302 | paren <= curpm->op_pmregexp->nparens && | |
303 | (s = curpm->op_pmregexp->startp[paren]) ) { | |
304 | i = curpm->op_pmregexp->endp[paren] - s; | |
305 | if (i >= 0) | |
306 | sv_setpvn(sv,s,i); | |
307 | else | |
308 | sv_setsv(sv,&sv_undef); | |
309 | } | |
310 | else | |
311 | sv_setsv(sv,&sv_undef); | |
312 | } | |
313 | break; | |
314 | case '+': | |
315 | if (curpm) { | |
316 | paren = curpm->op_pmregexp->lastparen; | |
317 | goto getparen; | |
318 | } | |
319 | break; | |
320 | case '`': | |
321 | if (curpm) { | |
322 | if (curpm->op_pmregexp && | |
323 | (s = curpm->op_pmregexp->subbeg) ) { | |
324 | i = curpm->op_pmregexp->startp[0] - s; | |
325 | if (i >= 0) | |
326 | sv_setpvn(sv,s,i); | |
327 | else | |
328 | sv_setpvn(sv,"",0); | |
329 | } | |
330 | else | |
331 | sv_setpvn(sv,"",0); | |
332 | } | |
333 | break; | |
334 | case '\'': | |
335 | if (curpm) { | |
336 | if (curpm->op_pmregexp && | |
337 | (s = curpm->op_pmregexp->endp[0]) ) { | |
338 | sv_setpvn(sv,s, curpm->op_pmregexp->subend - s); | |
339 | } | |
340 | else | |
341 | sv_setpvn(sv,"",0); | |
342 | } | |
343 | break; | |
344 | case '.': | |
345 | #ifndef lint | |
346 | if (last_in_gv && GvIO(last_in_gv)) { | |
8990e307 | 347 | sv_setiv(sv,(I32)IoLINES(GvIO(last_in_gv))); |
79072805 LW |
348 | } |
349 | #endif | |
350 | break; | |
351 | case '?': | |
352 | sv_setiv(sv,(I32)statusvalue); | |
353 | break; | |
354 | case '^': | |
8990e307 | 355 | s = IoTOP_NAME(GvIO(defoutgv)); |
79072805 LW |
356 | if (s) |
357 | sv_setpv(sv,s); | |
358 | else { | |
359 | sv_setpv(sv,GvENAME(defoutgv)); | |
360 | sv_catpv(sv,"_TOP"); | |
361 | } | |
362 | break; | |
363 | case '~': | |
8990e307 | 364 | s = IoFMT_NAME(GvIO(defoutgv)); |
79072805 LW |
365 | if (!s) |
366 | s = GvENAME(defoutgv); | |
367 | sv_setpv(sv,s); | |
368 | break; | |
369 | #ifndef lint | |
370 | case '=': | |
8990e307 | 371 | sv_setiv(sv,(I32)IoPAGE_LEN(GvIO(defoutgv))); |
79072805 LW |
372 | break; |
373 | case '-': | |
8990e307 | 374 | sv_setiv(sv,(I32)IoLINES_LEFT(GvIO(defoutgv))); |
79072805 LW |
375 | break; |
376 | case '%': | |
8990e307 | 377 | sv_setiv(sv,(I32)IoPAGE(GvIO(defoutgv))); |
79072805 LW |
378 | break; |
379 | #endif | |
380 | case ':': | |
381 | break; | |
382 | case '/': | |
383 | break; | |
384 | case '[': | |
385 | sv_setiv(sv,(I32)arybase); | |
386 | break; | |
387 | case '|': | |
388 | if (!GvIO(defoutgv)) | |
389 | GvIO(defoutgv) = newIO(); | |
8990e307 | 390 | sv_setiv(sv, (IoFLAGS(GvIO(defoutgv)) & IOf_FLUSH) != 0 ); |
79072805 LW |
391 | break; |
392 | case ',': | |
393 | sv_setpvn(sv,ofs,ofslen); | |
394 | break; | |
395 | case '\\': | |
396 | sv_setpvn(sv,ors,orslen); | |
397 | break; | |
398 | case '#': | |
399 | sv_setpv(sv,ofmt); | |
400 | break; | |
401 | case '!': | |
402 | sv_setnv(sv,(double)errno); | |
2304df62 | 403 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
79072805 LW |
404 | SvNOK_on(sv); /* what a wonderful hack! */ |
405 | break; | |
406 | case '<': | |
407 | sv_setiv(sv,(I32)uid); | |
408 | break; | |
409 | case '>': | |
410 | sv_setiv(sv,(I32)euid); | |
411 | break; | |
412 | case '(': | |
413 | s = buf; | |
414 | (void)sprintf(s,"%d",(int)gid); | |
415 | goto add_groups; | |
416 | case ')': | |
417 | s = buf; | |
418 | (void)sprintf(s,"%d",(int)egid); | |
419 | add_groups: | |
420 | while (*s) s++; | |
421 | #ifdef HAS_GETGROUPS | |
422 | #ifndef NGROUPS | |
423 | #define NGROUPS 32 | |
424 | #endif | |
425 | { | |
426 | GROUPSTYPE gary[NGROUPS]; | |
427 | ||
428 | i = getgroups(NGROUPS,gary); | |
429 | while (--i >= 0) { | |
430 | (void)sprintf(s," %ld", (long)gary[i]); | |
431 | while (*s) s++; | |
432 | } | |
433 | } | |
434 | #endif | |
435 | sv_setpv(sv,buf); | |
436 | break; | |
437 | case '*': | |
438 | break; | |
439 | case '0': | |
440 | break; | |
441 | } | |
442 | } | |
443 | ||
444 | int | |
445 | magic_getuvar(sv, mg) | |
446 | SV *sv; | |
447 | MAGIC *mg; | |
448 | { | |
449 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; | |
450 | ||
451 | if (uf && uf->uf_val) | |
452 | (*uf->uf_val)(uf->uf_index, sv); | |
453 | return 0; | |
454 | } | |
455 | ||
456 | int | |
457 | magic_setenv(sv,mg) | |
458 | SV* sv; | |
459 | MAGIC* mg; | |
460 | { | |
461 | register char *s; | |
85e6fe83 | 462 | U32 i; |
8990e307 | 463 | s = SvPV(sv,na); |
79072805 LW |
464 | my_setenv(mg->mg_ptr,s); |
465 | /* And you'll never guess what the dog had */ | |
466 | /* in its mouth... */ | |
463ee0b2 LW |
467 | if (tainting) { |
468 | if (s && strEQ(mg->mg_ptr,"PATH")) { | |
469 | char *strend = SvEND(sv); | |
470 | ||
471 | while (s < strend) { | |
472 | s = cpytill(tokenbuf,s,strend,':',&i); | |
473 | s++; | |
474 | if (*tokenbuf != '/' | |
475 | || (stat(tokenbuf,&statbuf) && (statbuf.st_mode & 2)) ) | |
8990e307 | 476 | MgTAINTEDDIR_on(mg); |
463ee0b2 | 477 | } |
79072805 LW |
478 | } |
479 | } | |
79072805 LW |
480 | return 0; |
481 | } | |
482 | ||
483 | int | |
85e6fe83 LW |
484 | magic_clearenv(sv,mg) |
485 | SV* sv; | |
486 | MAGIC* mg; | |
487 | { | |
488 | my_setenv(mg->mg_ptr,Nullch); | |
489 | return 0; | |
490 | } | |
491 | ||
492 | int | |
79072805 LW |
493 | magic_setsig(sv,mg) |
494 | SV* sv; | |
495 | MAGIC* mg; | |
496 | { | |
497 | register char *s; | |
498 | I32 i; | |
8990e307 | 499 | s = SvPV(sv,na); |
79072805 LW |
500 | i = whichsig(mg->mg_ptr); /* ...no, a brick */ |
501 | if (!i && (dowarn || strEQ(mg->mg_ptr,"ALARM"))) | |
502 | warn("No such signal: SIG%s", mg->mg_ptr); | |
503 | if (strEQ(s,"IGNORE")) | |
504 | #ifndef lint | |
505 | (void)signal(i,SIG_IGN); | |
506 | #else | |
507 | ; | |
508 | #endif | |
509 | else if (strEQ(s,"DEFAULT") || !*s) | |
510 | (void)signal(i,SIG_DFL); | |
511 | else { | |
512 | (void)signal(i,sighandler); | |
2304df62 AD |
513 | if (!strchr(s,':') && !strchr(s,'\'')) { |
514 | sprintf(tokenbuf, "main::%s",s); | |
79072805 LW |
515 | sv_setpv(sv,tokenbuf); |
516 | } | |
517 | } | |
518 | return 0; | |
519 | } | |
520 | ||
521 | int | |
463ee0b2 | 522 | magic_setisa(sv,mg) |
79072805 LW |
523 | SV* sv; |
524 | MAGIC* mg; | |
525 | { | |
463ee0b2 LW |
526 | sub_generation++; |
527 | return 0; | |
528 | } | |
529 | ||
530 | int | |
531 | magic_getpack(sv,mg) | |
532 | SV* sv; | |
533 | MAGIC* mg; | |
534 | { | |
535 | SV* rv = mg->mg_obj; | |
ed6116ce | 536 | HV* stash = SvSTASH(SvRV(rv)); |
463ee0b2 LW |
537 | GV* gv = gv_fetchmethod(stash, "fetch"); |
538 | dSP; | |
539 | BINOP myop; | |
540 | ||
541 | if (!gv || !GvCV(gv)) { | |
542 | croak("No fetch method for magical variable in package \"%s\"", | |
543 | HvNAME(stash)); | |
544 | } | |
545 | Zero(&myop, 1, BINOP); | |
546 | myop.op_last = (OP *) &myop; | |
547 | myop.op_next = Nullop; | |
548 | myop.op_flags = OPf_STACKED; | |
549 | ||
550 | ENTER; | |
551 | SAVESPTR(op); | |
552 | op = (OP *) &myop; | |
553 | PUTBACK; | |
554 | pp_pushmark(); | |
555 | ||
556 | EXTEND(sp, 4); | |
557 | PUSHs(gv); | |
558 | PUSHs(rv); | |
559 | if (mg->mg_ptr) | |
560 | PUSHs(sv_mortalcopy(newSVpv(mg->mg_ptr, mg->mg_len))); | |
561 | else if (mg->mg_len >= 0) | |
562 | PUSHs(sv_mortalcopy(newSViv(mg->mg_len))); | |
563 | PUTBACK; | |
564 | ||
565 | if (op = pp_entersubr()) | |
566 | run(); | |
567 | LEAVE; | |
568 | SPAGAIN; | |
569 | ||
570 | sv_setsv(sv, POPs); | |
571 | PUTBACK; | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | int | |
577 | magic_setpack(sv,mg) | |
578 | SV* sv; | |
579 | MAGIC* mg; | |
580 | { | |
581 | SV* rv = mg->mg_obj; | |
ed6116ce | 582 | HV* stash = SvSTASH(SvRV(rv)); |
463ee0b2 LW |
583 | GV* gv = gv_fetchmethod(stash, "store"); |
584 | dSP; | |
585 | BINOP myop; | |
586 | ||
587 | if (!gv || !GvCV(gv)) { | |
588 | croak("No store method for magical variable in package \"%s\"", | |
589 | HvNAME(stash)); | |
590 | } | |
591 | Zero(&myop, 1, BINOP); | |
592 | myop.op_last = (OP *) &myop; | |
593 | myop.op_next = Nullop; | |
594 | myop.op_flags = OPf_STACKED; | |
595 | ||
596 | ENTER; | |
597 | SAVESPTR(op); | |
598 | op = (OP *) &myop; | |
599 | PUTBACK; | |
600 | pp_pushmark(); | |
601 | ||
602 | EXTEND(sp, 4); | |
603 | PUSHs(gv); | |
604 | PUSHs(rv); | |
605 | if (mg->mg_ptr) | |
606 | PUSHs(sv_mortalcopy(newSVpv(mg->mg_ptr, mg->mg_len))); | |
607 | else if (mg->mg_len >= 0) | |
608 | PUSHs(sv_mortalcopy(newSViv(mg->mg_len))); | |
609 | PUSHs(sv); | |
610 | PUTBACK; | |
611 | ||
612 | if (op = pp_entersubr()) | |
613 | run(); | |
614 | LEAVE; | |
615 | SPAGAIN; | |
616 | ||
617 | POPs; | |
618 | PUTBACK; | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
623 | int | |
624 | magic_clearpack(sv,mg) | |
625 | SV* sv; | |
626 | MAGIC* mg; | |
627 | { | |
628 | SV* rv = mg->mg_obj; | |
ed6116ce | 629 | HV* stash = SvSTASH(SvRV(rv)); |
463ee0b2 LW |
630 | GV* gv = gv_fetchmethod(stash, "delete"); |
631 | dSP; | |
632 | BINOP myop; | |
633 | ||
634 | if (!gv || !GvCV(gv)) { | |
635 | croak("No delete method for magical variable in package \"%s\"", | |
636 | HvNAME(stash)); | |
637 | } | |
638 | Zero(&myop, 1, BINOP); | |
639 | myop.op_last = (OP *) &myop; | |
640 | myop.op_next = Nullop; | |
641 | myop.op_flags = OPf_STACKED; | |
642 | ||
643 | ENTER; | |
644 | SAVESPTR(op); | |
645 | op = (OP *) &myop; | |
646 | PUTBACK; | |
647 | pp_pushmark(); | |
648 | ||
649 | EXTEND(sp, 4); | |
650 | PUSHs(gv); | |
651 | PUSHs(rv); | |
652 | if (mg->mg_ptr) | |
653 | PUSHs(sv_mortalcopy(newSVpv(mg->mg_ptr, mg->mg_len))); | |
654 | else | |
655 | PUSHs(sv_mortalcopy(newSViv(mg->mg_len))); | |
656 | PUTBACK; | |
657 | ||
658 | if (op = pp_entersubr()) | |
659 | run(); | |
660 | LEAVE; | |
661 | SPAGAIN; | |
662 | ||
663 | sv_setsv(sv, POPs); | |
664 | PUTBACK; | |
665 | ||
666 | return 0; | |
667 | } | |
668 | ||
669 | int | |
670 | magic_nextpack(sv,mg,key) | |
671 | SV* sv; | |
672 | MAGIC* mg; | |
673 | SV* key; | |
674 | { | |
675 | SV* rv = mg->mg_obj; | |
ed6116ce | 676 | HV* stash = SvSTASH(SvRV(rv)); |
463ee0b2 LW |
677 | GV* gv = gv_fetchmethod(stash, SvOK(key) ? "nextkey" : "firstkey"); |
678 | dSP; | |
679 | BINOP myop; | |
680 | ||
681 | if (!gv || !GvCV(gv)) { | |
682 | croak("No fetch method for magical variable in package \"%s\"", | |
683 | HvNAME(stash)); | |
684 | } | |
685 | Zero(&myop, 1, BINOP); | |
686 | myop.op_last = (OP *) &myop; | |
687 | myop.op_next = Nullop; | |
688 | myop.op_flags = OPf_STACKED; | |
689 | ||
690 | ENTER; | |
691 | SAVESPTR(op); | |
692 | op = (OP *) &myop; | |
693 | PUTBACK; | |
694 | pp_pushmark(); | |
695 | ||
696 | EXTEND(sp, 4); | |
697 | PUSHs(gv); | |
698 | PUSHs(rv); | |
699 | if (SvOK(key)) | |
700 | PUSHs(key); | |
701 | PUTBACK; | |
702 | ||
703 | if (op = pp_entersubr()) | |
704 | run(); | |
705 | LEAVE; | |
706 | SPAGAIN; | |
707 | ||
708 | sv_setsv(key, POPs); | |
709 | PUTBACK; | |
710 | ||
79072805 LW |
711 | return 0; |
712 | } | |
713 | ||
714 | int | |
715 | magic_setdbline(sv,mg) | |
716 | SV* sv; | |
717 | MAGIC* mg; | |
718 | { | |
719 | OP *o; | |
720 | I32 i; | |
721 | GV* gv; | |
722 | SV** svp; | |
723 | ||
724 | gv = DBline; | |
725 | i = SvTRUE(sv); | |
726 | svp = av_fetch(GvAV(gv),atoi(mg->mg_ptr), FALSE); | |
8990e307 | 727 | if (svp && SvIOKp(*svp) && (o = (OP*)SvSTASH(*svp))) |
93a17b20 | 728 | o->op_private = i; |
79072805 LW |
729 | else |
730 | warn("Can't break at that line\n"); | |
731 | return 0; | |
732 | } | |
733 | ||
734 | int | |
735 | magic_getarylen(sv,mg) | |
736 | SV* sv; | |
737 | MAGIC* mg; | |
738 | { | |
739 | sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + arybase); | |
740 | return 0; | |
741 | } | |
742 | ||
743 | int | |
744 | magic_setarylen(sv,mg) | |
745 | SV* sv; | |
746 | MAGIC* mg; | |
747 | { | |
463ee0b2 | 748 | av_fill((AV*)mg->mg_obj, (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) - arybase); |
79072805 LW |
749 | return 0; |
750 | } | |
751 | ||
752 | int | |
753 | magic_getglob(sv,mg) | |
754 | SV* sv; | |
755 | MAGIC* mg; | |
756 | { | |
757 | gv_efullname(sv,((GV*)sv));/* a gv value, be nice */ | |
758 | return 0; | |
759 | } | |
760 | ||
761 | int | |
762 | magic_setglob(sv,mg) | |
763 | SV* sv; | |
764 | MAGIC* mg; | |
765 | { | |
766 | register char *s; | |
767 | GV* gv; | |
768 | ||
769 | if (!SvOK(sv)) | |
770 | return 0; | |
463ee0b2 | 771 | s = SvPV(sv, na); |
79072805 LW |
772 | if (*s == '*' && s[1]) |
773 | s++; | |
85e6fe83 | 774 | gv = gv_fetchpv(s,TRUE, SVt_PVGV); |
79072805 LW |
775 | if (sv == (SV*)gv) |
776 | return 0; | |
777 | if (GvGP(sv)) | |
778 | gp_free(sv); | |
779 | GvGP(sv) = gp_ref(GvGP(gv)); | |
780 | if (!GvAV(gv)) | |
781 | gv_AVadd(gv); | |
782 | if (!GvHV(gv)) | |
783 | gv_HVadd(gv); | |
784 | if (!GvIO(gv)) | |
785 | GvIO(gv) = newIO(); | |
786 | return 0; | |
787 | } | |
788 | ||
789 | int | |
790 | magic_setsubstr(sv,mg) | |
791 | SV* sv; | |
792 | MAGIC* mg; | |
793 | { | |
8990e307 LW |
794 | STRLEN len; |
795 | char *tmps = SvPV(sv,len); | |
796 | sv_insert(LvTARG(sv),LvTARGOFF(sv),LvTARGLEN(sv), tmps, len); | |
79072805 LW |
797 | return 0; |
798 | } | |
799 | ||
800 | int | |
463ee0b2 LW |
801 | magic_gettaint(sv,mg) |
802 | SV* sv; | |
803 | MAGIC* mg; | |
804 | { | |
805 | tainted = TRUE; | |
806 | return 0; | |
807 | } | |
808 | ||
809 | int | |
810 | magic_settaint(sv,mg) | |
811 | SV* sv; | |
812 | MAGIC* mg; | |
813 | { | |
814 | if (!tainted) | |
815 | sv_unmagic(sv, 't'); | |
816 | return 0; | |
817 | } | |
818 | ||
819 | int | |
79072805 LW |
820 | magic_setvec(sv,mg) |
821 | SV* sv; | |
822 | MAGIC* mg; | |
823 | { | |
824 | do_vecset(sv); /* XXX slurp this routine */ | |
825 | return 0; | |
826 | } | |
827 | ||
828 | int | |
93a17b20 LW |
829 | magic_setmglob(sv,mg) |
830 | SV* sv; | |
831 | MAGIC* mg; | |
832 | { | |
833 | mg->mg_ptr = 0; | |
834 | mg->mg_len = 0; | |
835 | return 0; | |
836 | } | |
837 | ||
838 | int | |
79072805 LW |
839 | magic_setbm(sv,mg) |
840 | SV* sv; | |
841 | MAGIC* mg; | |
842 | { | |
463ee0b2 | 843 | sv_unmagic(sv, 'B'); |
79072805 LW |
844 | SvVALID_off(sv); |
845 | return 0; | |
846 | } | |
847 | ||
848 | int | |
849 | magic_setuvar(sv,mg) | |
850 | SV* sv; | |
851 | MAGIC* mg; | |
852 | { | |
853 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; | |
854 | ||
855 | if (uf && uf->uf_set) | |
856 | (*uf->uf_set)(uf->uf_index, sv); | |
857 | return 0; | |
858 | } | |
859 | ||
860 | int | |
861 | magic_set(sv,mg) | |
862 | SV* sv; | |
863 | MAGIC* mg; | |
864 | { | |
865 | register char *s; | |
866 | I32 i; | |
8990e307 | 867 | STRLEN len; |
79072805 LW |
868 | switch (*mg->mg_ptr) { |
869 | case '\004': /* ^D */ | |
8990e307 | 870 | debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | 0x80000000; |
79072805 LW |
871 | DEBUG_x(dump_all()); |
872 | break; | |
873 | case '\006': /* ^F */ | |
463ee0b2 | 874 | maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
875 | break; |
876 | case '\t': /* ^I */ | |
877 | if (inplace) | |
878 | Safefree(inplace); | |
879 | if (SvOK(sv)) | |
8990e307 | 880 | inplace = savestr(SvPV(sv,na)); |
79072805 LW |
881 | else |
882 | inplace = Nullch; | |
883 | break; | |
884 | case '\020': /* ^P */ | |
463ee0b2 | 885 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
886 | if (i != perldb) { |
887 | if (perldb) | |
888 | oldlastpm = curpm; | |
889 | else | |
890 | curpm = oldlastpm; | |
891 | } | |
892 | perldb = i; | |
893 | break; | |
894 | case '\024': /* ^T */ | |
85e6fe83 | 895 | basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
896 | break; |
897 | case '\027': /* ^W */ | |
463ee0b2 | 898 | dowarn = (bool)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
899 | break; |
900 | case '.': | |
901 | if (localizing) | |
902 | save_sptr((SV**)&last_in_gv); | |
2304df62 AD |
903 | else if (SvOK(sv)) |
904 | IoLINES(GvIO(last_in_gv)) = (long)SvIV(sv); | |
79072805 LW |
905 | break; |
906 | case '^': | |
8990e307 LW |
907 | Safefree(IoTOP_NAME(GvIO(defoutgv))); |
908 | IoTOP_NAME(GvIO(defoutgv)) = s = savestr(SvPV(sv,na)); | |
85e6fe83 | 909 | IoTOP_GV(GvIO(defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 LW |
910 | break; |
911 | case '~': | |
8990e307 LW |
912 | Safefree(IoFMT_NAME(GvIO(defoutgv))); |
913 | IoFMT_NAME(GvIO(defoutgv)) = s = savestr(SvPV(sv,na)); | |
85e6fe83 | 914 | IoFMT_GV(GvIO(defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 LW |
915 | break; |
916 | case '=': | |
8990e307 | 917 | IoPAGE_LEN(GvIO(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
918 | break; |
919 | case '-': | |
8990e307 LW |
920 | IoLINES_LEFT(GvIO(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
921 | if (IoLINES_LEFT(GvIO(defoutgv)) < 0L) | |
922 | IoLINES_LEFT(GvIO(defoutgv)) = 0L; | |
79072805 LW |
923 | break; |
924 | case '%': | |
8990e307 | 925 | IoPAGE(GvIO(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
926 | break; |
927 | case '|': | |
928 | if (!GvIO(defoutgv)) | |
929 | GvIO(defoutgv) = newIO(); | |
8990e307 | 930 | IoFLAGS(GvIO(defoutgv)) &= ~IOf_FLUSH; |
463ee0b2 | 931 | if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) != 0) { |
8990e307 | 932 | IoFLAGS(GvIO(defoutgv)) |= IOf_FLUSH; |
79072805 LW |
933 | } |
934 | break; | |
935 | case '*': | |
463ee0b2 | 936 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
937 | multiline = (i != 0); |
938 | break; | |
939 | case '/': | |
940 | if (SvPOK(sv)) { | |
8990e307 LW |
941 | nrs = rs = SvPV(sv,rslen); |
942 | nrslen = rslen; | |
79072805 | 943 | if (rspara = !rslen) { |
93a17b20 LW |
944 | nrs = rs = "\n\n"; |
945 | nrslen = rslen = 2; | |
79072805 | 946 | } |
93a17b20 | 947 | nrschar = rschar = rs[rslen - 1]; |
79072805 LW |
948 | } |
949 | else { | |
93a17b20 LW |
950 | nrschar = rschar = 0777; /* fake a non-existent char */ |
951 | nrslen = rslen = 1; | |
79072805 LW |
952 | } |
953 | break; | |
954 | case '\\': | |
955 | if (ors) | |
956 | Safefree(ors); | |
8990e307 | 957 | ors = savestr(SvPV(sv,orslen)); |
79072805 LW |
958 | break; |
959 | case ',': | |
960 | if (ofs) | |
961 | Safefree(ofs); | |
8990e307 | 962 | ofs = savestr(SvPV(sv, ofslen)); |
79072805 LW |
963 | break; |
964 | case '#': | |
965 | if (ofmt) | |
966 | Safefree(ofmt); | |
8990e307 | 967 | ofmt = savestr(SvPV(sv,na)); |
79072805 LW |
968 | break; |
969 | case '[': | |
463ee0b2 | 970 | arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
971 | break; |
972 | case '?': | |
463ee0b2 | 973 | statusvalue = U_S(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
974 | break; |
975 | case '!': | |
463ee0b2 | 976 | errno = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); /* will anyone ever use this? */ |
79072805 LW |
977 | break; |
978 | case '<': | |
463ee0b2 | 979 | uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
980 | if (delaymagic) { |
981 | delaymagic |= DM_RUID; | |
982 | break; /* don't do magic till later */ | |
983 | } | |
984 | #ifdef HAS_SETRUID | |
85e6fe83 | 985 | (void)setruid((Uid_t)uid); |
79072805 LW |
986 | #else |
987 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
988 | (void)setreuid((Uid_t)uid, (Uid_t)-1); |
989 | #ifdef HAS_SETRESUID | |
990 | (void)setresuid((Uid_t)uid, (Uid_t)-1, (Uid_t)-1); | |
79072805 LW |
991 | #else |
992 | if (uid == euid) /* special case $< = $> */ | |
993 | (void)setuid(uid); | |
994 | else | |
463ee0b2 | 995 | croak("setruid() not implemented"); |
79072805 LW |
996 | #endif |
997 | #endif | |
85e6fe83 | 998 | #endif |
463ee0b2 LW |
999 | uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1000 | tainting |= (euid != uid || egid != gid); | |
79072805 LW |
1001 | break; |
1002 | case '>': | |
463ee0b2 | 1003 | euid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
1004 | if (delaymagic) { |
1005 | delaymagic |= DM_EUID; | |
1006 | break; /* don't do magic till later */ | |
1007 | } | |
1008 | #ifdef HAS_SETEUID | |
85e6fe83 | 1009 | (void)seteuid((Uid_t)euid); |
79072805 LW |
1010 | #else |
1011 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1012 | (void)setreuid((Uid_t)-1, (Uid_t)euid); |
1013 | #else | |
1014 | #ifdef HAS_SETRESUID | |
1015 | (void)setresuid((Uid_t)-1, (Uid_t)euid, (Uid_t)-1); | |
79072805 LW |
1016 | #else |
1017 | if (euid == uid) /* special case $> = $< */ | |
1018 | setuid(euid); | |
1019 | else | |
463ee0b2 | 1020 | croak("seteuid() not implemented"); |
79072805 LW |
1021 | #endif |
1022 | #endif | |
85e6fe83 | 1023 | #endif |
79072805 | 1024 | euid = (I32)geteuid(); |
463ee0b2 | 1025 | tainting |= (euid != uid || egid != gid); |
79072805 LW |
1026 | break; |
1027 | case '(': | |
463ee0b2 | 1028 | gid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
1029 | if (delaymagic) { |
1030 | delaymagic |= DM_RGID; | |
1031 | break; /* don't do magic till later */ | |
1032 | } | |
1033 | #ifdef HAS_SETRGID | |
85e6fe83 | 1034 | (void)setrgid((Gid_t)gid); |
79072805 LW |
1035 | #else |
1036 | #ifdef HAS_SETREGID | |
85e6fe83 LW |
1037 | (void)setregid((Gid_t)gid, (Gid_t)-1); |
1038 | #else | |
1039 | #ifdef HAS_SETRESGID | |
1040 | (void)setresgid((Gid_t)gid, (Gid_t)-1, (Gid_t) 1); | |
79072805 LW |
1041 | #else |
1042 | if (gid == egid) /* special case $( = $) */ | |
1043 | (void)setgid(gid); | |
1044 | else | |
463ee0b2 | 1045 | croak("setrgid() not implemented"); |
79072805 LW |
1046 | #endif |
1047 | #endif | |
85e6fe83 | 1048 | #endif |
79072805 | 1049 | gid = (I32)getgid(); |
463ee0b2 | 1050 | tainting |= (euid != uid || egid != gid); |
79072805 LW |
1051 | break; |
1052 | case ')': | |
463ee0b2 | 1053 | egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
1054 | if (delaymagic) { |
1055 | delaymagic |= DM_EGID; | |
1056 | break; /* don't do magic till later */ | |
1057 | } | |
1058 | #ifdef HAS_SETEGID | |
85e6fe83 | 1059 | (void)setegid((Gid_t)egid); |
79072805 LW |
1060 | #else |
1061 | #ifdef HAS_SETREGID | |
85e6fe83 LW |
1062 | (void)setregid((Gid_t)-1, (Gid_t)egid); |
1063 | #else | |
1064 | #ifdef HAS_SETRESGID | |
1065 | (void)setresgid((Gid_t)-1, (Gid_t)egid, (Gid_t)-1); | |
79072805 LW |
1066 | #else |
1067 | if (egid == gid) /* special case $) = $( */ | |
1068 | (void)setgid(egid); | |
1069 | else | |
463ee0b2 | 1070 | croak("setegid() not implemented"); |
79072805 LW |
1071 | #endif |
1072 | #endif | |
85e6fe83 | 1073 | #endif |
79072805 | 1074 | egid = (I32)getegid(); |
463ee0b2 | 1075 | tainting |= (euid != uid || egid != gid); |
79072805 LW |
1076 | break; |
1077 | case ':': | |
8990e307 | 1078 | chopset = SvPV(sv,na); |
79072805 LW |
1079 | break; |
1080 | case '0': | |
1081 | if (!origalen) { | |
1082 | s = origargv[0]; | |
1083 | s += strlen(s); | |
1084 | /* See if all the arguments are contiguous in memory */ | |
1085 | for (i = 1; i < origargc; i++) { | |
1086 | if (origargv[i] == s + 1) | |
1087 | s += strlen(++s); /* this one is ok too */ | |
1088 | } | |
1089 | if (origenviron[0] == s + 1) { /* can grab env area too? */ | |
1090 | my_setenv("NoNeSuCh", Nullch); | |
1091 | /* force copy of environment */ | |
1092 | for (i = 0; origenviron[i]; i++) | |
1093 | if (origenviron[i] == s + 1) | |
1094 | s += strlen(++s); | |
1095 | } | |
1096 | origalen = s - origargv[0]; | |
1097 | } | |
8990e307 LW |
1098 | s = SvPV(sv,len); |
1099 | i = len; | |
79072805 LW |
1100 | if (i >= origalen) { |
1101 | i = origalen; | |
1102 | SvCUR_set(sv, i); | |
1103 | *SvEND(sv) = '\0'; | |
1104 | Copy(s, origargv[0], i, char); | |
1105 | } | |
1106 | else { | |
1107 | Copy(s, origargv[0], i, char); | |
1108 | s = origargv[0]+i; | |
1109 | *s++ = '\0'; | |
1110 | while (++i < origalen) | |
8990e307 LW |
1111 | *s++ = ' '; |
1112 | s = origargv[0]+i; | |
ed6116ce | 1113 | for (i = 1; i < origargc; i++) |
8990e307 | 1114 | origargv[i] = Nullch; |
79072805 LW |
1115 | } |
1116 | break; | |
1117 | } | |
1118 | return 0; | |
1119 | } | |
1120 | ||
1121 | I32 | |
1122 | whichsig(sig) | |
1123 | char *sig; | |
1124 | { | |
1125 | register char **sigv; | |
1126 | ||
1127 | for (sigv = sig_name+1; *sigv; sigv++) | |
1128 | if (strEQ(sig,*sigv)) | |
1129 | return sigv - sig_name; | |
1130 | #ifdef SIGCLD | |
1131 | if (strEQ(sig,"CHLD")) | |
1132 | return SIGCLD; | |
1133 | #endif | |
1134 | #ifdef SIGCHLD | |
1135 | if (strEQ(sig,"CLD")) | |
1136 | return SIGCHLD; | |
1137 | #endif | |
1138 | return 0; | |
1139 | } | |
1140 | ||
2304df62 | 1141 | VOIDRET |
79072805 LW |
1142 | sighandler(sig) |
1143 | I32 sig; | |
1144 | { | |
1145 | dSP; | |
1146 | GV *gv; | |
1147 | SV *sv; | |
1148 | CV *cv; | |
1149 | CONTEXT *cx; | |
1150 | AV *oldstack; | |
1151 | I32 hasargs = 1; | |
1152 | I32 items = 1; | |
1153 | I32 gimme = G_SCALAR; | |
1154 | ||
1155 | #ifdef OS2 /* or anybody else who requires SIG_ACK */ | |
1156 | signal(sig, SIG_ACK); | |
1157 | #endif | |
1158 | ||
1159 | gv = gv_fetchpv( | |
463ee0b2 | 1160 | SvPVx(*hv_fetch(GvHVn(siggv),sig_name[sig],strlen(sig_name[sig]), |
85e6fe83 | 1161 | TRUE), na), TRUE, SVt_PVCV); |
79072805 LW |
1162 | cv = GvCV(gv); |
1163 | if (!cv && *sig_name[sig] == 'C' && instr(sig_name[sig],"LD")) { | |
1164 | if (sig_name[sig][1] == 'H') | |
463ee0b2 | 1165 | gv = gv_fetchpv(SvPVx(*hv_fetch(GvHVn(siggv),"CLD",3,TRUE), na), |
85e6fe83 | 1166 | TRUE, SVt_PVCV); |
79072805 | 1167 | else |
463ee0b2 | 1168 | gv = gv_fetchpv(SvPVx(*hv_fetch(GvHVn(siggv),"CHLD",4,TRUE), na), |
85e6fe83 | 1169 | TRUE, SVt_PVCV); |
79072805 LW |
1170 | cv = GvCV(gv); /* gag */ |
1171 | } | |
1172 | if (!cv) { | |
1173 | if (dowarn) | |
1174 | warn("SIG%s handler \"%s\" not defined.\n", | |
1175 | sig_name[sig], GvENAME(gv) ); | |
1176 | return; | |
1177 | } | |
1178 | ||
1179 | oldstack = stack; | |
1180 | SWITCHSTACK(stack, signalstack); | |
1181 | ||
8990e307 | 1182 | sv = sv_newmortal(); |
79072805 LW |
1183 | sv_setpv(sv,sig_name[sig]); |
1184 | PUSHs(sv); | |
1185 | ||
1186 | ENTER; | |
1187 | SAVETMPS; | |
1188 | ||
1189 | push_return(op); | |
1190 | push_return(0); | |
1191 | PUSHBLOCK(cx, CXt_SUB, sp); | |
1192 | PUSHSUB(cx); | |
1193 | cx->blk_sub.savearray = GvAV(defgv); | |
1194 | cx->blk_sub.argarray = av_fake(items, sp); | |
8990e307 | 1195 | SAVEFREESV(cx->blk_sub.argarray); |
79072805 LW |
1196 | GvAV(defgv) = cx->blk_sub.argarray; |
1197 | CvDEPTH(cv)++; | |
1198 | if (CvDEPTH(cv) >= 2) { | |
1199 | if (CvDEPTH(cv) == 100 && dowarn) | |
1200 | warn("Deep recursion on subroutine \"%s\"",GvENAME(gv)); | |
1201 | } | |
1202 | op = CvSTART(cv); | |
1203 | PUTBACK; | |
1204 | run(); /* Does the LEAVE for us. */ | |
1205 | ||
1206 | SWITCHSTACK(signalstack, oldstack); | |
1207 | op = pop_return(); | |
1208 | ||
1209 | return; | |
1210 | } |