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