Commit | Line | Data |
a0d0e21e |
1 | /* mg.c |
79072805 |
2 | * |
a0d0e21e |
3 | * Copyright (c) 1991-1994, Larry Wall |
79072805 |
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 | * |
a0d0e21e |
8 | */ |
9 | |
10 | /* |
11 | * "Sam sat on the ground and put his head in his hands. 'I wish I had never |
12 | * come here, and I don't want to see no more magic,' he said, and fell silent." |
79072805 |
13 | */ |
14 | |
15 | #include "EXTERN.h" |
16 | #include "perl.h" |
17 | |
a0d0e21e |
18 | /* Omit -- it causes too much grief on mixed systems. |
19 | #ifdef I_UNISTD |
20 | # include <unistd.h> |
21 | #endif |
22 | */ |
23 | |
8990e307 |
24 | void |
25 | mg_magical(sv) |
26 | SV* sv; |
27 | { |
28 | MAGIC* mg; |
29 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
30 | MGVTBL* vtbl = mg->mg_virtual; |
31 | if (vtbl) { |
a0d0e21e |
32 | if (vtbl->svt_get && !(mg->mg_flags & MGf_GSKIP)) |
8990e307 |
33 | SvGMAGICAL_on(sv); |
34 | if (vtbl->svt_set) |
35 | SvSMAGICAL_on(sv); |
36 | if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || vtbl->svt_clear) |
37 | SvRMAGICAL_on(sv); |
38 | } |
39 | } |
40 | } |
41 | |
79072805 |
42 | int |
43 | mg_get(sv) |
44 | SV* sv; |
45 | { |
46 | MAGIC* mg; |
a0d0e21e |
47 | U32 savemagic = SvMAGICAL(sv) | SvREADONLY(sv); |
463ee0b2 |
48 | |
a0d0e21e |
49 | assert(SvGMAGICAL(sv)); |
463ee0b2 |
50 | SvMAGICAL_off(sv); |
a0d0e21e |
51 | SvREADONLY_off(sv); |
8990e307 |
52 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 |
53 | |
79072805 |
54 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
55 | MGVTBL* vtbl = mg->mg_virtual; |
a0d0e21e |
56 | if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) { |
79072805 |
57 | (*vtbl->svt_get)(sv, mg); |
a0d0e21e |
58 | if (mg->mg_flags & MGf_GSKIP) |
59 | savemagic = 0; |
60 | } |
79072805 |
61 | } |
463ee0b2 |
62 | |
a0d0e21e |
63 | if (savemagic) |
64 | SvFLAGS(sv) |= savemagic; |
65 | else |
66 | mg_magical(sv); |
67 | if (SvGMAGICAL(sv)) |
68 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
463ee0b2 |
69 | |
79072805 |
70 | return 0; |
71 | } |
72 | |
73 | int |
74 | mg_set(sv) |
75 | SV* sv; |
76 | { |
77 | MAGIC* mg; |
463ee0b2 |
78 | MAGIC* nextmg; |
8990e307 |
79 | U32 savemagic = SvMAGICAL(sv); |
463ee0b2 |
80 | |
81 | SvMAGICAL_off(sv); |
82 | |
83 | for (mg = SvMAGIC(sv); mg; mg = nextmg) { |
79072805 |
84 | MGVTBL* vtbl = mg->mg_virtual; |
463ee0b2 |
85 | nextmg = mg->mg_moremagic; /* it may delete itself */ |
a0d0e21e |
86 | if (mg->mg_flags & MGf_GSKIP) { |
87 | mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */ |
88 | savemagic = 0; |
89 | } |
79072805 |
90 | if (vtbl && vtbl->svt_set) |
91 | (*vtbl->svt_set)(sv, mg); |
92 | } |
463ee0b2 |
93 | |
94 | if (SvMAGIC(sv)) { |
a0d0e21e |
95 | if (savemagic) |
96 | SvFLAGS(sv) |= savemagic; |
97 | else |
98 | mg_magical(sv); |
8990e307 |
99 | if (SvGMAGICAL(sv)) |
100 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
463ee0b2 |
101 | } |
102 | |
79072805 |
103 | return 0; |
104 | } |
105 | |
106 | U32 |
107 | mg_len(sv) |
108 | SV* sv; |
109 | { |
110 | MAGIC* mg; |
463ee0b2 |
111 | char *s; |
112 | STRLEN len; |
463ee0b2 |
113 | |
79072805 |
114 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
115 | MGVTBL* vtbl = mg->mg_virtual; |
85e6fe83 |
116 | if (vtbl && vtbl->svt_len) { |
117 | U32 savemagic = SvMAGICAL(sv); |
463ee0b2 |
118 | |
85e6fe83 |
119 | SvMAGICAL_off(sv); |
120 | SvFLAGS(sv) |= (SvFLAGS(sv)&(SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
121 | |
a0d0e21e |
122 | /* omit MGf_GSKIP -- not changed here */ |
85e6fe83 |
123 | len = (*vtbl->svt_len)(sv, mg); |
463ee0b2 |
124 | |
85e6fe83 |
125 | SvFLAGS(sv) |= savemagic; |
126 | if (SvGMAGICAL(sv)) |
127 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
128 | |
129 | return len; |
130 | } |
131 | } |
132 | |
133 | s = SvPV(sv, len); |
463ee0b2 |
134 | return len; |
79072805 |
135 | } |
136 | |
137 | int |
138 | mg_clear(sv) |
139 | SV* sv; |
140 | { |
141 | MAGIC* mg; |
8990e307 |
142 | U32 savemagic = SvMAGICAL(sv); |
463ee0b2 |
143 | |
144 | SvMAGICAL_off(sv); |
8990e307 |
145 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 |
146 | |
79072805 |
147 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
148 | MGVTBL* vtbl = mg->mg_virtual; |
a0d0e21e |
149 | /* omit GSKIP -- never set here */ |
150 | |
79072805 |
151 | if (vtbl && vtbl->svt_clear) |
152 | (*vtbl->svt_clear)(sv, mg); |
153 | } |
463ee0b2 |
154 | |
8990e307 |
155 | SvFLAGS(sv) |= savemagic; |
156 | if (SvGMAGICAL(sv)) |
157 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); |
463ee0b2 |
158 | |
79072805 |
159 | return 0; |
160 | } |
161 | |
93a17b20 |
162 | MAGIC* |
163 | mg_find(sv, type) |
164 | SV* sv; |
a0d0e21e |
165 | int type; |
93a17b20 |
166 | { |
167 | MAGIC* mg; |
93a17b20 |
168 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
169 | if (mg->mg_type == type) |
170 | return mg; |
171 | } |
172 | return 0; |
173 | } |
174 | |
79072805 |
175 | int |
463ee0b2 |
176 | mg_copy(sv, nsv, key, klen) |
79072805 |
177 | SV* sv; |
463ee0b2 |
178 | SV* nsv; |
179 | char *key; |
180 | STRLEN klen; |
79072805 |
181 | { |
463ee0b2 |
182 | int count = 0; |
79072805 |
183 | MAGIC* mg; |
463ee0b2 |
184 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
185 | if (isUPPER(mg->mg_type)) { |
a0d0e21e |
186 | sv_magic(nsv, mg->mg_obj, toLOWER(mg->mg_type), key, klen); |
463ee0b2 |
187 | count++; |
79072805 |
188 | } |
79072805 |
189 | } |
463ee0b2 |
190 | return count; |
79072805 |
191 | } |
192 | |
193 | int |
463ee0b2 |
194 | mg_free(sv) |
79072805 |
195 | SV* sv; |
196 | { |
197 | MAGIC* mg; |
198 | MAGIC* moremagic; |
199 | for (mg = SvMAGIC(sv); mg; mg = moremagic) { |
200 | MGVTBL* vtbl = mg->mg_virtual; |
201 | moremagic = mg->mg_moremagic; |
202 | if (vtbl && vtbl->svt_free) |
203 | (*vtbl->svt_free)(sv, mg); |
93a17b20 |
204 | if (mg->mg_ptr && mg->mg_type != 'g') |
79072805 |
205 | Safefree(mg->mg_ptr); |
85e6fe83 |
206 | if (mg->mg_flags & MGf_REFCOUNTED) |
8990e307 |
207 | SvREFCNT_dec(mg->mg_obj); |
79072805 |
208 | Safefree(mg); |
209 | } |
210 | SvMAGIC(sv) = 0; |
211 | return 0; |
212 | } |
213 | |
214 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
215 | #include <signal.h> |
216 | #endif |
217 | |
93a17b20 |
218 | U32 |
219 | magic_len(sv, mg) |
220 | SV *sv; |
221 | MAGIC *mg; |
222 | { |
223 | register I32 paren; |
224 | register char *s; |
225 | register I32 i; |
226 | |
227 | switch (*mg->mg_ptr) { |
228 | case '1': case '2': case '3': case '4': |
229 | case '5': case '6': case '7': case '8': case '9': case '&': |
230 | if (curpm) { |
231 | paren = atoi(mg->mg_ptr); |
232 | getparen: |
233 | if (curpm->op_pmregexp && |
234 | paren <= curpm->op_pmregexp->nparens && |
235 | (s = curpm->op_pmregexp->startp[paren]) ) { |
236 | i = curpm->op_pmregexp->endp[paren] - s; |
237 | if (i >= 0) |
238 | return i; |
239 | else |
240 | return 0; |
241 | } |
242 | else |
243 | return 0; |
244 | } |
245 | break; |
246 | case '+': |
247 | if (curpm) { |
248 | paren = curpm->op_pmregexp->lastparen; |
a0d0e21e |
249 | if (!paren) |
250 | return 0; |
93a17b20 |
251 | goto getparen; |
252 | } |
253 | break; |
254 | case '`': |
255 | if (curpm) { |
256 | if (curpm->op_pmregexp && |
257 | (s = curpm->op_pmregexp->subbeg) ) { |
258 | i = curpm->op_pmregexp->startp[0] - s; |
259 | if (i >= 0) |
260 | return i; |
261 | else |
262 | return 0; |
263 | } |
264 | else |
265 | return 0; |
266 | } |
267 | break; |
268 | case '\'': |
269 | if (curpm) { |
270 | if (curpm->op_pmregexp && |
271 | (s = curpm->op_pmregexp->endp[0]) ) { |
272 | return (STRLEN) (curpm->op_pmregexp->subend - s); |
273 | } |
274 | else |
275 | return 0; |
276 | } |
277 | break; |
278 | case ',': |
279 | return (STRLEN)ofslen; |
280 | case '\\': |
281 | return (STRLEN)orslen; |
282 | } |
283 | magic_get(sv,mg); |
284 | if (!SvPOK(sv) && SvNIOK(sv)) |
463ee0b2 |
285 | sv_2pv(sv, &na); |
93a17b20 |
286 | if (SvPOK(sv)) |
287 | return SvCUR(sv); |
288 | return 0; |
289 | } |
290 | |
79072805 |
291 | int |
292 | magic_get(sv, mg) |
293 | SV *sv; |
294 | MAGIC *mg; |
295 | { |
296 | register I32 paren; |
297 | register char *s; |
298 | register I32 i; |
299 | |
300 | switch (*mg->mg_ptr) { |
301 | case '\004': /* ^D */ |
302 | sv_setiv(sv,(I32)(debug & 32767)); |
303 | break; |
304 | case '\006': /* ^F */ |
305 | sv_setiv(sv,(I32)maxsysfd); |
306 | break; |
a0d0e21e |
307 | case '\010': /* ^H */ |
308 | sv_setiv(sv,(I32)hints); |
309 | break; |
79072805 |
310 | case '\t': /* ^I */ |
311 | if (inplace) |
312 | sv_setpv(sv, inplace); |
313 | else |
314 | sv_setsv(sv,&sv_undef); |
315 | break; |
316 | case '\020': /* ^P */ |
317 | sv_setiv(sv,(I32)perldb); |
318 | break; |
319 | case '\024': /* ^T */ |
320 | sv_setiv(sv,(I32)basetime); |
321 | break; |
322 | case '\027': /* ^W */ |
323 | sv_setiv(sv,(I32)dowarn); |
324 | break; |
325 | case '1': case '2': case '3': case '4': |
326 | case '5': case '6': case '7': case '8': case '9': case '&': |
327 | if (curpm) { |
328 | paren = atoi(GvENAME(mg->mg_obj)); |
329 | getparen: |
330 | if (curpm->op_pmregexp && |
331 | paren <= curpm->op_pmregexp->nparens && |
a0d0e21e |
332 | (s = curpm->op_pmregexp->startp[paren]) && |
333 | curpm->op_pmregexp->endp[paren] ) { |
79072805 |
334 | i = curpm->op_pmregexp->endp[paren] - s; |
335 | if (i >= 0) |
336 | sv_setpvn(sv,s,i); |
337 | else |
338 | sv_setsv(sv,&sv_undef); |
339 | } |
340 | else |
341 | sv_setsv(sv,&sv_undef); |
342 | } |
343 | break; |
344 | case '+': |
345 | if (curpm) { |
346 | paren = curpm->op_pmregexp->lastparen; |
a0d0e21e |
347 | if (paren) |
348 | goto getparen; |
349 | else |
350 | sv_setsv(sv,&sv_undef); |
79072805 |
351 | } |
352 | break; |
353 | case '`': |
354 | if (curpm) { |
355 | if (curpm->op_pmregexp && |
356 | (s = curpm->op_pmregexp->subbeg) ) { |
357 | i = curpm->op_pmregexp->startp[0] - s; |
358 | if (i >= 0) |
359 | sv_setpvn(sv,s,i); |
360 | else |
361 | sv_setpvn(sv,"",0); |
362 | } |
363 | else |
364 | sv_setpvn(sv,"",0); |
365 | } |
366 | break; |
367 | case '\'': |
368 | if (curpm) { |
369 | if (curpm->op_pmregexp && |
370 | (s = curpm->op_pmregexp->endp[0]) ) { |
371 | sv_setpvn(sv,s, curpm->op_pmregexp->subend - s); |
372 | } |
373 | else |
374 | sv_setpvn(sv,"",0); |
375 | } |
376 | break; |
377 | case '.': |
378 | #ifndef lint |
a0d0e21e |
379 | if (GvIO(last_in_gv)) { |
8990e307 |
380 | sv_setiv(sv,(I32)IoLINES(GvIO(last_in_gv))); |
79072805 |
381 | } |
382 | #endif |
383 | break; |
384 | case '?': |
385 | sv_setiv(sv,(I32)statusvalue); |
386 | break; |
387 | case '^': |
a0d0e21e |
388 | s = IoTOP_NAME(GvIOp(defoutgv)); |
79072805 |
389 | if (s) |
390 | sv_setpv(sv,s); |
391 | else { |
392 | sv_setpv(sv,GvENAME(defoutgv)); |
393 | sv_catpv(sv,"_TOP"); |
394 | } |
395 | break; |
396 | case '~': |
a0d0e21e |
397 | s = IoFMT_NAME(GvIOp(defoutgv)); |
79072805 |
398 | if (!s) |
399 | s = GvENAME(defoutgv); |
400 | sv_setpv(sv,s); |
401 | break; |
402 | #ifndef lint |
403 | case '=': |
a0d0e21e |
404 | sv_setiv(sv,(I32)IoPAGE_LEN(GvIOp(defoutgv))); |
79072805 |
405 | break; |
406 | case '-': |
a0d0e21e |
407 | sv_setiv(sv,(I32)IoLINES_LEFT(GvIOp(defoutgv))); |
79072805 |
408 | break; |
409 | case '%': |
a0d0e21e |
410 | sv_setiv(sv,(I32)IoPAGE(GvIOp(defoutgv))); |
79072805 |
411 | break; |
412 | #endif |
413 | case ':': |
414 | break; |
415 | case '/': |
416 | break; |
417 | case '[': |
a0d0e21e |
418 | sv_setiv(sv,(I32)curcop->cop_arybase); |
79072805 |
419 | break; |
420 | case '|': |
a0d0e21e |
421 | sv_setiv(sv, (IoFLAGS(GvIOp(defoutgv)) & IOf_FLUSH) != 0 ); |
79072805 |
422 | break; |
423 | case ',': |
424 | sv_setpvn(sv,ofs,ofslen); |
425 | break; |
426 | case '\\': |
427 | sv_setpvn(sv,ors,orslen); |
428 | break; |
429 | case '#': |
430 | sv_setpv(sv,ofmt); |
431 | break; |
432 | case '!': |
433 | sv_setnv(sv,(double)errno); |
2304df62 |
434 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
79072805 |
435 | SvNOK_on(sv); /* what a wonderful hack! */ |
436 | break; |
437 | case '<': |
438 | sv_setiv(sv,(I32)uid); |
439 | break; |
440 | case '>': |
441 | sv_setiv(sv,(I32)euid); |
442 | break; |
443 | case '(': |
444 | s = buf; |
445 | (void)sprintf(s,"%d",(int)gid); |
446 | goto add_groups; |
447 | case ')': |
448 | s = buf; |
449 | (void)sprintf(s,"%d",(int)egid); |
450 | add_groups: |
451 | while (*s) s++; |
452 | #ifdef HAS_GETGROUPS |
453 | #ifndef NGROUPS |
454 | #define NGROUPS 32 |
455 | #endif |
456 | { |
a0d0e21e |
457 | Groups_t gary[NGROUPS]; |
79072805 |
458 | |
459 | i = getgroups(NGROUPS,gary); |
460 | while (--i >= 0) { |
461 | (void)sprintf(s," %ld", (long)gary[i]); |
462 | while (*s) s++; |
463 | } |
464 | } |
465 | #endif |
466 | sv_setpv(sv,buf); |
467 | break; |
468 | case '*': |
469 | break; |
470 | case '0': |
471 | break; |
472 | } |
a0d0e21e |
473 | return 0; |
79072805 |
474 | } |
475 | |
476 | int |
477 | magic_getuvar(sv, mg) |
478 | SV *sv; |
479 | MAGIC *mg; |
480 | { |
481 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; |
482 | |
483 | if (uf && uf->uf_val) |
484 | (*uf->uf_val)(uf->uf_index, sv); |
485 | return 0; |
486 | } |
487 | |
488 | int |
489 | magic_setenv(sv,mg) |
490 | SV* sv; |
491 | MAGIC* mg; |
492 | { |
493 | register char *s; |
a0d0e21e |
494 | STRLEN len; |
495 | I32 i; |
496 | s = SvPV(sv,len); |
79072805 |
497 | my_setenv(mg->mg_ptr,s); |
a0d0e21e |
498 | #ifdef DYNAMIC_ENV_FETCH |
499 | /* We just undefd an environment var. Is a replacement */ |
500 | /* waiting in the wings? */ |
501 | if (!len) { |
502 | SV **envsvp; |
503 | if (envsvp = hv_fetch(GvHVn(envgv),mg->mg_ptr,mg->mg_len,FALSE)) |
504 | s = SvPV(*envsvp,len); |
505 | } |
506 | #endif |
79072805 |
507 | /* And you'll never guess what the dog had */ |
508 | /* in its mouth... */ |
463ee0b2 |
509 | if (tainting) { |
510 | if (s && strEQ(mg->mg_ptr,"PATH")) { |
a0d0e21e |
511 | char *strend = s + len; |
463ee0b2 |
512 | |
513 | while (s < strend) { |
514 | s = cpytill(tokenbuf,s,strend,':',&i); |
515 | s++; |
516 | if (*tokenbuf != '/' |
a0d0e21e |
517 | || (Stat(tokenbuf,&statbuf) && (statbuf.st_mode & 2)) ) |
8990e307 |
518 | MgTAINTEDDIR_on(mg); |
463ee0b2 |
519 | } |
79072805 |
520 | } |
521 | } |
79072805 |
522 | return 0; |
523 | } |
524 | |
525 | int |
85e6fe83 |
526 | magic_clearenv(sv,mg) |
527 | SV* sv; |
528 | MAGIC* mg; |
529 | { |
530 | my_setenv(mg->mg_ptr,Nullch); |
531 | return 0; |
532 | } |
533 | |
534 | int |
79072805 |
535 | magic_setsig(sv,mg) |
536 | SV* sv; |
537 | MAGIC* mg; |
538 | { |
539 | register char *s; |
540 | I32 i; |
a0d0e21e |
541 | |
79072805 |
542 | i = whichsig(mg->mg_ptr); /* ...no, a brick */ |
543 | if (!i && (dowarn || strEQ(mg->mg_ptr,"ALARM"))) |
544 | warn("No such signal: SIG%s", mg->mg_ptr); |
a0d0e21e |
545 | if (SvTYPE(sv) == SVt_PVGV || SvROK(sv)) { |
546 | (void)signal(i,sighandler); |
547 | return 0; |
548 | } |
549 | s = SvPV_force(sv,na); |
79072805 |
550 | if (strEQ(s,"IGNORE")) |
551 | #ifndef lint |
552 | (void)signal(i,SIG_IGN); |
553 | #else |
554 | ; |
555 | #endif |
556 | else if (strEQ(s,"DEFAULT") || !*s) |
557 | (void)signal(i,SIG_DFL); |
558 | else { |
559 | (void)signal(i,sighandler); |
2304df62 |
560 | if (!strchr(s,':') && !strchr(s,'\'')) { |
561 | sprintf(tokenbuf, "main::%s",s); |
79072805 |
562 | sv_setpv(sv,tokenbuf); |
563 | } |
564 | } |
565 | return 0; |
566 | } |
567 | |
568 | int |
463ee0b2 |
569 | magic_setisa(sv,mg) |
79072805 |
570 | SV* sv; |
571 | MAGIC* mg; |
572 | { |
463ee0b2 |
573 | sub_generation++; |
574 | return 0; |
575 | } |
576 | |
a0d0e21e |
577 | #ifdef OVERLOAD |
578 | |
463ee0b2 |
579 | int |
a0d0e21e |
580 | magic_setamagic(sv,mg) |
463ee0b2 |
581 | SV* sv; |
582 | MAGIC* mg; |
583 | { |
a0d0e21e |
584 | /* HV_badAMAGIC_on(Sv_STASH(sv)); */ |
585 | amagic_generation++; |
463ee0b2 |
586 | |
a0d0e21e |
587 | return 0; |
588 | } |
589 | #endif /* OVERLOAD */ |
463ee0b2 |
590 | |
a0d0e21e |
591 | static int |
592 | magic_methpack(sv,mg,meth) |
593 | SV* sv; |
594 | MAGIC* mg; |
595 | char *meth; |
596 | { |
597 | dSP; |
463ee0b2 |
598 | |
a0d0e21e |
599 | ENTER; |
600 | SAVETMPS; |
601 | PUSHMARK(sp); |
602 | EXTEND(sp, 2); |
603 | PUSHs(mg->mg_obj); |
463ee0b2 |
604 | if (mg->mg_ptr) |
a0d0e21e |
605 | PUSHs(sv_2mortal(newSVpv(mg->mg_ptr, mg->mg_len))); |
606 | else if (mg->mg_type == 'p') |
607 | PUSHs(sv_2mortal(newSViv(mg->mg_len))); |
463ee0b2 |
608 | PUTBACK; |
609 | |
a0d0e21e |
610 | if (perl_call_method(meth, G_SCALAR)) |
611 | sv_setsv(sv, *stack_sp--); |
463ee0b2 |
612 | |
a0d0e21e |
613 | FREETMPS; |
614 | LEAVE; |
615 | return 0; |
616 | } |
463ee0b2 |
617 | |
a0d0e21e |
618 | int |
619 | magic_getpack(sv,mg) |
620 | SV* sv; |
621 | MAGIC* mg; |
622 | { |
623 | magic_methpack(sv,mg,"FETCH"); |
624 | if (mg->mg_ptr) |
625 | mg->mg_flags |= MGf_GSKIP; |
463ee0b2 |
626 | return 0; |
627 | } |
628 | |
629 | int |
630 | magic_setpack(sv,mg) |
631 | SV* sv; |
632 | MAGIC* mg; |
633 | { |
463ee0b2 |
634 | dSP; |
463ee0b2 |
635 | |
a0d0e21e |
636 | PUSHMARK(sp); |
637 | EXTEND(sp, 3); |
638 | PUSHs(mg->mg_obj); |
463ee0b2 |
639 | if (mg->mg_ptr) |
a0d0e21e |
640 | PUSHs(sv_2mortal(newSVpv(mg->mg_ptr, mg->mg_len))); |
641 | else if (mg->mg_type == 'p') |
642 | PUSHs(sv_2mortal(newSViv(mg->mg_len))); |
463ee0b2 |
643 | PUSHs(sv); |
644 | PUTBACK; |
645 | |
a0d0e21e |
646 | perl_call_method("STORE", G_SCALAR|G_DISCARD); |
463ee0b2 |
647 | |
648 | return 0; |
649 | } |
650 | |
651 | int |
652 | magic_clearpack(sv,mg) |
653 | SV* sv; |
654 | MAGIC* mg; |
655 | { |
a0d0e21e |
656 | return magic_methpack(sv,mg,"DELETE"); |
657 | } |
463ee0b2 |
658 | |
a0d0e21e |
659 | int magic_wipepack(sv,mg) |
660 | SV* sv; |
661 | MAGIC* mg; |
662 | { |
663 | dSP; |
463ee0b2 |
664 | |
a0d0e21e |
665 | PUSHMARK(sp); |
666 | XPUSHs(mg->mg_obj); |
463ee0b2 |
667 | PUTBACK; |
463ee0b2 |
668 | |
a0d0e21e |
669 | perl_call_method("CLEAR", G_SCALAR|G_DISCARD); |
463ee0b2 |
670 | |
671 | return 0; |
672 | } |
673 | |
674 | int |
675 | magic_nextpack(sv,mg,key) |
676 | SV* sv; |
677 | MAGIC* mg; |
678 | SV* key; |
679 | { |
463ee0b2 |
680 | dSP; |
a0d0e21e |
681 | char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY"; |
463ee0b2 |
682 | |
683 | ENTER; |
a0d0e21e |
684 | SAVETMPS; |
685 | PUSHMARK(sp); |
686 | EXTEND(sp, 2); |
687 | PUSHs(mg->mg_obj); |
463ee0b2 |
688 | if (SvOK(key)) |
689 | PUSHs(key); |
690 | PUTBACK; |
691 | |
a0d0e21e |
692 | if (perl_call_method(meth, G_SCALAR)) |
693 | sv_setsv(key, *stack_sp--); |
463ee0b2 |
694 | |
a0d0e21e |
695 | FREETMPS; |
696 | LEAVE; |
79072805 |
697 | return 0; |
698 | } |
699 | |
700 | int |
a0d0e21e |
701 | magic_existspack(sv,mg) |
702 | SV* sv; |
703 | MAGIC* mg; |
704 | { |
705 | return magic_methpack(sv,mg,"EXISTS"); |
706 | } |
707 | |
708 | int |
79072805 |
709 | magic_setdbline(sv,mg) |
710 | SV* sv; |
711 | MAGIC* mg; |
712 | { |
713 | OP *o; |
714 | I32 i; |
715 | GV* gv; |
716 | SV** svp; |
717 | |
718 | gv = DBline; |
719 | i = SvTRUE(sv); |
720 | svp = av_fetch(GvAV(gv),atoi(mg->mg_ptr), FALSE); |
8990e307 |
721 | if (svp && SvIOKp(*svp) && (o = (OP*)SvSTASH(*svp))) |
93a17b20 |
722 | o->op_private = i; |
79072805 |
723 | else |
724 | warn("Can't break at that line\n"); |
725 | return 0; |
726 | } |
727 | |
728 | int |
729 | magic_getarylen(sv,mg) |
730 | SV* sv; |
731 | MAGIC* mg; |
732 | { |
a0d0e21e |
733 | sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + curcop->cop_arybase); |
79072805 |
734 | return 0; |
735 | } |
736 | |
737 | int |
738 | magic_setarylen(sv,mg) |
739 | SV* sv; |
740 | MAGIC* mg; |
741 | { |
a0d0e21e |
742 | av_fill((AV*)mg->mg_obj, SvIV(sv) - curcop->cop_arybase); |
743 | return 0; |
744 | } |
745 | |
746 | int |
747 | magic_getpos(sv,mg) |
748 | SV* sv; |
749 | MAGIC* mg; |
750 | { |
751 | SV* lsv = LvTARG(sv); |
752 | |
753 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) { |
754 | mg = mg_find(lsv, 'g'); |
755 | if (mg && mg->mg_len >= 0) { |
756 | sv_setiv(sv, mg->mg_len + curcop->cop_arybase); |
757 | return 0; |
758 | } |
759 | } |
760 | (void)SvOK_off(sv); |
761 | return 0; |
762 | } |
763 | |
764 | int |
765 | magic_setpos(sv,mg) |
766 | SV* sv; |
767 | MAGIC* mg; |
768 | { |
769 | SV* lsv = LvTARG(sv); |
770 | SSize_t pos; |
771 | STRLEN len; |
772 | |
773 | mg = 0; |
774 | |
775 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) |
776 | mg = mg_find(lsv, 'g'); |
777 | if (!mg) { |
778 | if (!SvOK(sv)) |
779 | return 0; |
780 | sv_magic(lsv, (SV*)0, 'g', Nullch, 0); |
781 | mg = mg_find(lsv, 'g'); |
782 | } |
783 | else if (!SvOK(sv)) { |
784 | mg->mg_len = -1; |
785 | return 0; |
786 | } |
787 | len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv); |
788 | |
789 | pos = SvIV(sv) - curcop->cop_arybase; |
790 | if (pos < 0) { |
791 | pos += len; |
792 | if (pos < 0) |
793 | pos = 0; |
794 | } |
795 | else if (pos > len) |
796 | pos = len; |
797 | mg->mg_len = pos; |
798 | |
79072805 |
799 | return 0; |
800 | } |
801 | |
802 | int |
803 | magic_getglob(sv,mg) |
804 | SV* sv; |
805 | MAGIC* mg; |
806 | { |
807 | gv_efullname(sv,((GV*)sv));/* a gv value, be nice */ |
808 | return 0; |
809 | } |
810 | |
811 | int |
812 | magic_setglob(sv,mg) |
813 | SV* sv; |
814 | MAGIC* mg; |
815 | { |
816 | register char *s; |
817 | GV* gv; |
818 | |
819 | if (!SvOK(sv)) |
820 | return 0; |
463ee0b2 |
821 | s = SvPV(sv, na); |
79072805 |
822 | if (*s == '*' && s[1]) |
823 | s++; |
85e6fe83 |
824 | gv = gv_fetchpv(s,TRUE, SVt_PVGV); |
79072805 |
825 | if (sv == (SV*)gv) |
826 | return 0; |
827 | if (GvGP(sv)) |
828 | gp_free(sv); |
829 | GvGP(sv) = gp_ref(GvGP(gv)); |
830 | if (!GvAV(gv)) |
831 | gv_AVadd(gv); |
832 | if (!GvHV(gv)) |
833 | gv_HVadd(gv); |
a0d0e21e |
834 | if (!GvIOp(gv)) |
835 | GvIOp(gv) = newIO(); |
79072805 |
836 | return 0; |
837 | } |
838 | |
839 | int |
840 | magic_setsubstr(sv,mg) |
841 | SV* sv; |
842 | MAGIC* mg; |
843 | { |
8990e307 |
844 | STRLEN len; |
845 | char *tmps = SvPV(sv,len); |
846 | sv_insert(LvTARG(sv),LvTARGOFF(sv),LvTARGLEN(sv), tmps, len); |
79072805 |
847 | return 0; |
848 | } |
849 | |
850 | int |
463ee0b2 |
851 | magic_gettaint(sv,mg) |
852 | SV* sv; |
853 | MAGIC* mg; |
854 | { |
855 | tainted = TRUE; |
856 | return 0; |
857 | } |
858 | |
859 | int |
860 | magic_settaint(sv,mg) |
861 | SV* sv; |
862 | MAGIC* mg; |
863 | { |
a0d0e21e |
864 | if (!tainted) { |
865 | if (!SvMAGICAL(sv)) |
866 | SvMAGICAL_on(sv); |
463ee0b2 |
867 | sv_unmagic(sv, 't'); |
a0d0e21e |
868 | } |
463ee0b2 |
869 | return 0; |
870 | } |
871 | |
872 | int |
79072805 |
873 | magic_setvec(sv,mg) |
874 | SV* sv; |
875 | MAGIC* mg; |
876 | { |
877 | do_vecset(sv); /* XXX slurp this routine */ |
878 | return 0; |
879 | } |
880 | |
881 | int |
93a17b20 |
882 | magic_setmglob(sv,mg) |
883 | SV* sv; |
884 | MAGIC* mg; |
885 | { |
a0d0e21e |
886 | mg->mg_len = -1; |
93a17b20 |
887 | return 0; |
888 | } |
889 | |
890 | int |
79072805 |
891 | magic_setbm(sv,mg) |
892 | SV* sv; |
893 | MAGIC* mg; |
894 | { |
463ee0b2 |
895 | sv_unmagic(sv, 'B'); |
79072805 |
896 | SvVALID_off(sv); |
897 | return 0; |
898 | } |
899 | |
900 | int |
901 | magic_setuvar(sv,mg) |
902 | SV* sv; |
903 | MAGIC* mg; |
904 | { |
905 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; |
906 | |
907 | if (uf && uf->uf_set) |
908 | (*uf->uf_set)(uf->uf_index, sv); |
909 | return 0; |
910 | } |
911 | |
912 | int |
913 | magic_set(sv,mg) |
914 | SV* sv; |
915 | MAGIC* mg; |
916 | { |
917 | register char *s; |
918 | I32 i; |
8990e307 |
919 | STRLEN len; |
79072805 |
920 | switch (*mg->mg_ptr) { |
921 | case '\004': /* ^D */ |
8990e307 |
922 | debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | 0x80000000; |
79072805 |
923 | DEBUG_x(dump_all()); |
924 | break; |
925 | case '\006': /* ^F */ |
463ee0b2 |
926 | maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
927 | break; |
a0d0e21e |
928 | case '\010': /* ^H */ |
929 | hints = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
930 | break; |
79072805 |
931 | case '\t': /* ^I */ |
932 | if (inplace) |
933 | Safefree(inplace); |
934 | if (SvOK(sv)) |
a0d0e21e |
935 | inplace = savepv(SvPV(sv,na)); |
79072805 |
936 | else |
937 | inplace = Nullch; |
938 | break; |
939 | case '\020': /* ^P */ |
463ee0b2 |
940 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
941 | if (i != perldb) { |
942 | if (perldb) |
943 | oldlastpm = curpm; |
944 | else |
945 | curpm = oldlastpm; |
946 | } |
947 | perldb = i; |
948 | break; |
949 | case '\024': /* ^T */ |
85e6fe83 |
950 | basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 |
951 | break; |
952 | case '\027': /* ^W */ |
463ee0b2 |
953 | dowarn = (bool)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 |
954 | break; |
955 | case '.': |
956 | if (localizing) |
957 | save_sptr((SV**)&last_in_gv); |
2304df62 |
958 | else if (SvOK(sv)) |
a0d0e21e |
959 | IoLINES(GvIOp(last_in_gv)) = (long)SvIV(sv); |
79072805 |
960 | break; |
961 | case '^': |
a0d0e21e |
962 | Safefree(IoTOP_NAME(GvIOp(defoutgv))); |
963 | IoTOP_NAME(GvIOp(defoutgv)) = s = savepv(SvPV(sv,na)); |
964 | IoTOP_GV(GvIOp(defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 |
965 | break; |
966 | case '~': |
a0d0e21e |
967 | Safefree(IoFMT_NAME(GvIOp(defoutgv))); |
968 | IoFMT_NAME(GvIOp(defoutgv)) = s = savepv(SvPV(sv,na)); |
969 | IoFMT_GV(GvIOp(defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 |
970 | break; |
971 | case '=': |
a0d0e21e |
972 | IoPAGE_LEN(GvIOp(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 |
973 | break; |
974 | case '-': |
a0d0e21e |
975 | IoLINES_LEFT(GvIOp(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
976 | if (IoLINES_LEFT(GvIOp(defoutgv)) < 0L) |
977 | IoLINES_LEFT(GvIOp(defoutgv)) = 0L; |
79072805 |
978 | break; |
979 | case '%': |
a0d0e21e |
980 | IoPAGE(GvIOp(defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 |
981 | break; |
982 | case '|': |
a0d0e21e |
983 | IoFLAGS(GvIOp(defoutgv)) &= ~IOf_FLUSH; |
463ee0b2 |
984 | if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) != 0) { |
a0d0e21e |
985 | IoFLAGS(GvIOp(defoutgv)) |= IOf_FLUSH; |
79072805 |
986 | } |
987 | break; |
988 | case '*': |
463ee0b2 |
989 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
990 | multiline = (i != 0); |
991 | break; |
992 | case '/': |
a0d0e21e |
993 | if (SvOK(sv)) { |
994 | nrs = rs = SvPV_force(sv,rslen); |
8990e307 |
995 | nrslen = rslen; |
79072805 |
996 | if (rspara = !rslen) { |
93a17b20 |
997 | nrs = rs = "\n\n"; |
998 | nrslen = rslen = 2; |
79072805 |
999 | } |
93a17b20 |
1000 | nrschar = rschar = rs[rslen - 1]; |
79072805 |
1001 | } |
1002 | else { |
93a17b20 |
1003 | nrschar = rschar = 0777; /* fake a non-existent char */ |
1004 | nrslen = rslen = 1; |
79072805 |
1005 | } |
1006 | break; |
1007 | case '\\': |
1008 | if (ors) |
1009 | Safefree(ors); |
a0d0e21e |
1010 | ors = savepv(SvPV(sv,orslen)); |
79072805 |
1011 | break; |
1012 | case ',': |
1013 | if (ofs) |
1014 | Safefree(ofs); |
a0d0e21e |
1015 | ofs = savepv(SvPV(sv, ofslen)); |
79072805 |
1016 | break; |
1017 | case '#': |
1018 | if (ofmt) |
1019 | Safefree(ofmt); |
a0d0e21e |
1020 | ofmt = savepv(SvPV(sv,na)); |
79072805 |
1021 | break; |
1022 | case '[': |
a0d0e21e |
1023 | compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
1024 | break; |
1025 | case '?': |
463ee0b2 |
1026 | statusvalue = U_S(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 |
1027 | break; |
1028 | case '!': |
463ee0b2 |
1029 | errno = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); /* will anyone ever use this? */ |
79072805 |
1030 | break; |
1031 | case '<': |
463ee0b2 |
1032 | uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
1033 | if (delaymagic) { |
1034 | delaymagic |= DM_RUID; |
1035 | break; /* don't do magic till later */ |
1036 | } |
1037 | #ifdef HAS_SETRUID |
85e6fe83 |
1038 | (void)setruid((Uid_t)uid); |
79072805 |
1039 | #else |
1040 | #ifdef HAS_SETREUID |
85e6fe83 |
1041 | (void)setreuid((Uid_t)uid, (Uid_t)-1); |
1042 | #ifdef HAS_SETRESUID |
1043 | (void)setresuid((Uid_t)uid, (Uid_t)-1, (Uid_t)-1); |
79072805 |
1044 | #else |
1045 | if (uid == euid) /* special case $< = $> */ |
1046 | (void)setuid(uid); |
a0d0e21e |
1047 | else { |
1048 | uid = (I32)getuid(); |
463ee0b2 |
1049 | croak("setruid() not implemented"); |
a0d0e21e |
1050 | } |
79072805 |
1051 | #endif |
1052 | #endif |
85e6fe83 |
1053 | #endif |
463ee0b2 |
1054 | uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1055 | tainting |= (euid != uid || egid != gid); |
79072805 |
1056 | break; |
1057 | case '>': |
463ee0b2 |
1058 | euid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
1059 | if (delaymagic) { |
1060 | delaymagic |= DM_EUID; |
1061 | break; /* don't do magic till later */ |
1062 | } |
1063 | #ifdef HAS_SETEUID |
85e6fe83 |
1064 | (void)seteuid((Uid_t)euid); |
79072805 |
1065 | #else |
1066 | #ifdef HAS_SETREUID |
85e6fe83 |
1067 | (void)setreuid((Uid_t)-1, (Uid_t)euid); |
1068 | #else |
1069 | #ifdef HAS_SETRESUID |
1070 | (void)setresuid((Uid_t)-1, (Uid_t)euid, (Uid_t)-1); |
79072805 |
1071 | #else |
1072 | if (euid == uid) /* special case $> = $< */ |
1073 | setuid(euid); |
a0d0e21e |
1074 | else { |
1075 | euid = (I32)geteuid(); |
463ee0b2 |
1076 | croak("seteuid() not implemented"); |
a0d0e21e |
1077 | } |
79072805 |
1078 | #endif |
1079 | #endif |
85e6fe83 |
1080 | #endif |
79072805 |
1081 | euid = (I32)geteuid(); |
463ee0b2 |
1082 | tainting |= (euid != uid || egid != gid); |
79072805 |
1083 | break; |
1084 | case '(': |
463ee0b2 |
1085 | gid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
1086 | if (delaymagic) { |
1087 | delaymagic |= DM_RGID; |
1088 | break; /* don't do magic till later */ |
1089 | } |
1090 | #ifdef HAS_SETRGID |
85e6fe83 |
1091 | (void)setrgid((Gid_t)gid); |
79072805 |
1092 | #else |
1093 | #ifdef HAS_SETREGID |
85e6fe83 |
1094 | (void)setregid((Gid_t)gid, (Gid_t)-1); |
1095 | #else |
1096 | #ifdef HAS_SETRESGID |
1097 | (void)setresgid((Gid_t)gid, (Gid_t)-1, (Gid_t) 1); |
79072805 |
1098 | #else |
1099 | if (gid == egid) /* special case $( = $) */ |
1100 | (void)setgid(gid); |
1101 | else |
463ee0b2 |
1102 | croak("setrgid() not implemented"); |
79072805 |
1103 | #endif |
1104 | #endif |
85e6fe83 |
1105 | #endif |
79072805 |
1106 | gid = (I32)getgid(); |
463ee0b2 |
1107 | tainting |= (euid != uid || egid != gid); |
79072805 |
1108 | break; |
1109 | case ')': |
463ee0b2 |
1110 | egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 |
1111 | if (delaymagic) { |
1112 | delaymagic |= DM_EGID; |
1113 | break; /* don't do magic till later */ |
1114 | } |
1115 | #ifdef HAS_SETEGID |
85e6fe83 |
1116 | (void)setegid((Gid_t)egid); |
79072805 |
1117 | #else |
1118 | #ifdef HAS_SETREGID |
85e6fe83 |
1119 | (void)setregid((Gid_t)-1, (Gid_t)egid); |
1120 | #else |
1121 | #ifdef HAS_SETRESGID |
1122 | (void)setresgid((Gid_t)-1, (Gid_t)egid, (Gid_t)-1); |
79072805 |
1123 | #else |
1124 | if (egid == gid) /* special case $) = $( */ |
1125 | (void)setgid(egid); |
1126 | else |
463ee0b2 |
1127 | croak("setegid() not implemented"); |
79072805 |
1128 | #endif |
1129 | #endif |
85e6fe83 |
1130 | #endif |
79072805 |
1131 | egid = (I32)getegid(); |
463ee0b2 |
1132 | tainting |= (euid != uid || egid != gid); |
79072805 |
1133 | break; |
1134 | case ':': |
a0d0e21e |
1135 | chopset = SvPV_force(sv,na); |
79072805 |
1136 | break; |
1137 | case '0': |
1138 | if (!origalen) { |
1139 | s = origargv[0]; |
1140 | s += strlen(s); |
1141 | /* See if all the arguments are contiguous in memory */ |
1142 | for (i = 1; i < origargc; i++) { |
1143 | if (origargv[i] == s + 1) |
1144 | s += strlen(++s); /* this one is ok too */ |
1145 | } |
1146 | if (origenviron[0] == s + 1) { /* can grab env area too? */ |
1147 | my_setenv("NoNeSuCh", Nullch); |
1148 | /* force copy of environment */ |
1149 | for (i = 0; origenviron[i]; i++) |
1150 | if (origenviron[i] == s + 1) |
1151 | s += strlen(++s); |
1152 | } |
1153 | origalen = s - origargv[0]; |
1154 | } |
a0d0e21e |
1155 | s = SvPV_force(sv,len); |
8990e307 |
1156 | i = len; |
79072805 |
1157 | if (i >= origalen) { |
1158 | i = origalen; |
1159 | SvCUR_set(sv, i); |
1160 | *SvEND(sv) = '\0'; |
1161 | Copy(s, origargv[0], i, char); |
1162 | } |
1163 | else { |
1164 | Copy(s, origargv[0], i, char); |
1165 | s = origargv[0]+i; |
1166 | *s++ = '\0'; |
1167 | while (++i < origalen) |
8990e307 |
1168 | *s++ = ' '; |
1169 | s = origargv[0]+i; |
ed6116ce |
1170 | for (i = 1; i < origargc; i++) |
8990e307 |
1171 | origargv[i] = Nullch; |
79072805 |
1172 | } |
1173 | break; |
1174 | } |
1175 | return 0; |
1176 | } |
1177 | |
1178 | I32 |
1179 | whichsig(sig) |
1180 | char *sig; |
1181 | { |
1182 | register char **sigv; |
1183 | |
1184 | for (sigv = sig_name+1; *sigv; sigv++) |
1185 | if (strEQ(sig,*sigv)) |
1186 | return sigv - sig_name; |
1187 | #ifdef SIGCLD |
1188 | if (strEQ(sig,"CHLD")) |
1189 | return SIGCLD; |
1190 | #endif |
1191 | #ifdef SIGCHLD |
1192 | if (strEQ(sig,"CLD")) |
1193 | return SIGCHLD; |
1194 | #endif |
1195 | return 0; |
1196 | } |
1197 | |
ecfc5424 |
1198 | Signal_t |
79072805 |
1199 | sighandler(sig) |
a0d0e21e |
1200 | int sig; |
79072805 |
1201 | { |
1202 | dSP; |
1203 | GV *gv; |
a0d0e21e |
1204 | HV *st; |
79072805 |
1205 | SV *sv; |
1206 | CV *cv; |
79072805 |
1207 | AV *oldstack; |
79072805 |
1208 | |
1209 | #ifdef OS2 /* or anybody else who requires SIG_ACK */ |
1210 | signal(sig, SIG_ACK); |
1211 | #endif |
1212 | |
a0d0e21e |
1213 | cv = sv_2cv(*hv_fetch(GvHVn(siggv),sig_name[sig],strlen(sig_name[sig]), |
1214 | TRUE), |
1215 | &st, &gv, TRUE); |
1216 | if (!cv || !CvROOT(cv) && |
1217 | *sig_name[sig] == 'C' && instr(sig_name[sig],"LD")) { |
1218 | |
79072805 |
1219 | if (sig_name[sig][1] == 'H') |
a0d0e21e |
1220 | cv = sv_2cv(*hv_fetch(GvHVn(siggv),"CLD",3,TRUE), |
1221 | &st, &gv, TRUE); |
79072805 |
1222 | else |
a0d0e21e |
1223 | cv = sv_2cv(*hv_fetch(GvHVn(siggv),"CHLD",4,TRUE), |
1224 | &st, &gv, TRUE); |
1225 | /* gag */ |
79072805 |
1226 | } |
a0d0e21e |
1227 | if (!cv || !CvROOT(cv)) { |
79072805 |
1228 | if (dowarn) |
1229 | warn("SIG%s handler \"%s\" not defined.\n", |
1230 | sig_name[sig], GvENAME(gv) ); |
1231 | return; |
1232 | } |
1233 | |
1234 | oldstack = stack; |
a0d0e21e |
1235 | if (stack != signalstack) |
1236 | AvFILL(signalstack) = 0; |
79072805 |
1237 | SWITCHSTACK(stack, signalstack); |
1238 | |
8990e307 |
1239 | sv = sv_newmortal(); |
79072805 |
1240 | sv_setpv(sv,sig_name[sig]); |
a0d0e21e |
1241 | PUSHMARK(sp); |
79072805 |
1242 | PUSHs(sv); |
79072805 |
1243 | PUTBACK; |
a0d0e21e |
1244 | |
1245 | perl_call_sv((SV*)cv, G_DISCARD); |
79072805 |
1246 | |
1247 | SWITCHSTACK(signalstack, oldstack); |
79072805 |
1248 | |
1249 | return; |
1250 | } |