Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* mg.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 LW |
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 LW |
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 LW |
13 | */ |
14 | ||
15 | #include "EXTERN.h" | |
16 | #include "perl.h" | |
17 | ||
e6d9441c | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | # include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
5cd24f17 | 23 | #if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS) |
188ea221 CS |
24 | # ifndef NGROUPS |
25 | # define NGROUPS 32 | |
26 | # endif | |
27 | #endif | |
28 | ||
c07a80fd | 29 | /* |
30 | * Use the "DESTRUCTOR" scope cleanup to reinstate magic. | |
31 | */ | |
32 | ||
76e3520e | 33 | #ifdef PERL_OBJECT |
76e3520e | 34 | |
76e3520e GS |
35 | #define VTBL this->*vtbl |
36 | ||
37 | #else | |
c07a80fd | 38 | struct magic_state { |
39 | SV* mgs_sv; | |
40 | U32 mgs_flags; | |
41 | }; | |
42 | typedef struct magic_state MGS; | |
43 | ||
44 | static void restore_magic _((void *p)); | |
76e3520e | 45 | #define VTBL *vtbl |
c07a80fd | 46 | |
76e3520e GS |
47 | #endif |
48 | ||
49 | STATIC void | |
8ac85365 | 50 | save_magic(MGS *mgs, SV *sv) |
c07a80fd | 51 | { |
c07a80fd | 52 | assert(SvMAGICAL(sv)); |
53 | ||
c07a80fd | 54 | mgs->mgs_sv = sv; |
55 | mgs->mgs_flags = SvMAGICAL(sv) | SvREADONLY(sv); | |
565764a8 | 56 | SAVEDESTRUCTOR(restore_magic, mgs); |
c07a80fd | 57 | |
58 | SvMAGICAL_off(sv); | |
59 | SvREADONLY_off(sv); | |
60 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; | |
c07a80fd | 61 | } |
62 | ||
76e3520e | 63 | STATIC void |
8ac85365 | 64 | restore_magic(void *p) |
c07a80fd | 65 | { |
48e43a1c | 66 | MGS* mgs = (MGS*)p; |
c07a80fd | 67 | SV* sv = mgs->mgs_sv; |
68 | ||
69 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) | |
70 | { | |
71 | if (mgs->mgs_flags) | |
72 | SvFLAGS(sv) |= mgs->mgs_flags; | |
73 | else | |
74 | mg_magical(sv); | |
75 | if (SvGMAGICAL(sv)) | |
76 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
77 | } | |
c07a80fd | 78 | } |
79 | ||
8990e307 | 80 | void |
8ac85365 | 81 | mg_magical(SV *sv) |
8990e307 LW |
82 | { |
83 | MAGIC* mg; | |
84 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { | |
85 | MGVTBL* vtbl = mg->mg_virtual; | |
86 | if (vtbl) { | |
76e3520e | 87 | if ((vtbl->svt_get != NULL) && !(mg->mg_flags & MGf_GSKIP)) |
8990e307 LW |
88 | SvGMAGICAL_on(sv); |
89 | if (vtbl->svt_set) | |
90 | SvSMAGICAL_on(sv); | |
76e3520e | 91 | if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || (vtbl->svt_clear != NULL)) |
8990e307 LW |
92 | SvRMAGICAL_on(sv); |
93 | } | |
94 | } | |
95 | } | |
96 | ||
79072805 | 97 | int |
8ac85365 | 98 | mg_get(SV *sv) |
79072805 | 99 | { |
48e43a1c | 100 | MGS mgs; |
79072805 | 101 | MAGIC* mg; |
c6496cc7 | 102 | MAGIC** mgp; |
760ac839 | 103 | int mgp_valid = 0; |
463ee0b2 | 104 | |
c07a80fd | 105 | ENTER; |
48e43a1c | 106 | save_magic(&mgs, sv); |
463ee0b2 | 107 | |
c6496cc7 | 108 | mgp = &SvMAGIC(sv); |
109 | while ((mg = *mgp) != 0) { | |
79072805 | 110 | MGVTBL* vtbl = mg->mg_virtual; |
76e3520e GS |
111 | if (!(mg->mg_flags & MGf_GSKIP) && vtbl && (vtbl->svt_get != NULL)) { |
112 | (VTBL->svt_get)(sv, mg); | |
c6496cc7 | 113 | /* Ignore this magic if it's been deleted */ |
48e43a1c CS |
114 | if ((mg == (mgp_valid ? *mgp : SvMAGIC(sv))) && |
115 | (mg->mg_flags & MGf_GSKIP)) | |
116 | mgs.mgs_flags = 0; | |
a0d0e21e | 117 | } |
c6496cc7 | 118 | /* Advance to next magic (complicated by possible deletion) */ |
760ac839 | 119 | if (mg == (mgp_valid ? *mgp : SvMAGIC(sv))) { |
c6496cc7 | 120 | mgp = &mg->mg_moremagic; |
760ac839 LW |
121 | mgp_valid = 1; |
122 | } | |
123 | else | |
124 | mgp = &SvMAGIC(sv); /* Re-establish pointer after sv_upgrade */ | |
79072805 | 125 | } |
463ee0b2 | 126 | |
c07a80fd | 127 | LEAVE; |
79072805 LW |
128 | return 0; |
129 | } | |
130 | ||
131 | int | |
8ac85365 | 132 | mg_set(SV *sv) |
79072805 | 133 | { |
48e43a1c | 134 | MGS mgs; |
79072805 | 135 | MAGIC* mg; |
463ee0b2 LW |
136 | MAGIC* nextmg; |
137 | ||
c07a80fd | 138 | ENTER; |
48e43a1c | 139 | save_magic(&mgs, sv); |
463ee0b2 LW |
140 | |
141 | for (mg = SvMAGIC(sv); mg; mg = nextmg) { | |
79072805 | 142 | MGVTBL* vtbl = mg->mg_virtual; |
463ee0b2 | 143 | nextmg = mg->mg_moremagic; /* it may delete itself */ |
a0d0e21e LW |
144 | if (mg->mg_flags & MGf_GSKIP) { |
145 | mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */ | |
48e43a1c | 146 | mgs.mgs_flags = 0; |
a0d0e21e | 147 | } |
76e3520e GS |
148 | if (vtbl && (vtbl->svt_set != NULL)) |
149 | (VTBL->svt_set)(sv, mg); | |
79072805 | 150 | } |
463ee0b2 | 151 | |
c07a80fd | 152 | LEAVE; |
79072805 LW |
153 | return 0; |
154 | } | |
155 | ||
156 | U32 | |
565764a8 | 157 | mg_length(SV *sv) |
79072805 LW |
158 | { |
159 | MAGIC* mg; | |
748a9306 | 160 | char *junk; |
463ee0b2 | 161 | STRLEN len; |
463ee0b2 | 162 | |
79072805 LW |
163 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
164 | MGVTBL* vtbl = mg->mg_virtual; | |
76e3520e | 165 | if (vtbl && (vtbl->svt_len != NULL)) { |
48e43a1c CS |
166 | MGS mgs; |
167 | ||
c07a80fd | 168 | ENTER; |
48e43a1c | 169 | save_magic(&mgs, sv); |
a0d0e21e | 170 | /* omit MGf_GSKIP -- not changed here */ |
76e3520e | 171 | len = (VTBL->svt_len)(sv, mg); |
c07a80fd | 172 | LEAVE; |
85e6fe83 LW |
173 | return len; |
174 | } | |
175 | } | |
176 | ||
748a9306 | 177 | junk = SvPV(sv, len); |
463ee0b2 | 178 | return len; |
79072805 LW |
179 | } |
180 | ||
93965878 NIS |
181 | I32 |
182 | mg_size(SV *sv) | |
183 | { | |
184 | MAGIC* mg; | |
185 | I32 len; | |
186 | ||
187 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { | |
188 | MGVTBL* vtbl = mg->mg_virtual; | |
565764a8 | 189 | if (vtbl && (vtbl->svt_len != NULL)) { |
93965878 NIS |
190 | MGS mgs; |
191 | ENTER; | |
192 | /* omit MGf_GSKIP -- not changed here */ | |
565764a8 | 193 | len = (VTBL->svt_len)(sv, mg); |
93965878 NIS |
194 | LEAVE; |
195 | return len; | |
196 | } | |
197 | } | |
198 | ||
199 | switch(SvTYPE(sv)) { | |
200 | case SVt_PVAV: | |
201 | len = AvFILLp((AV *) sv); /* Fallback to non-tied array */ | |
202 | return len; | |
203 | case SVt_PVHV: | |
204 | /* FIXME */ | |
205 | default: | |
206 | croak("Size magic not implemented"); | |
207 | break; | |
208 | } | |
209 | return 0; | |
210 | } | |
211 | ||
79072805 | 212 | int |
8ac85365 | 213 | mg_clear(SV *sv) |
79072805 | 214 | { |
48e43a1c | 215 | MGS mgs; |
79072805 | 216 | MAGIC* mg; |
463ee0b2 | 217 | |
c07a80fd | 218 | ENTER; |
48e43a1c | 219 | save_magic(&mgs, sv); |
463ee0b2 | 220 | |
79072805 LW |
221 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
222 | MGVTBL* vtbl = mg->mg_virtual; | |
a0d0e21e LW |
223 | /* omit GSKIP -- never set here */ |
224 | ||
76e3520e GS |
225 | if (vtbl && (vtbl->svt_clear != NULL)) |
226 | (VTBL->svt_clear)(sv, mg); | |
79072805 | 227 | } |
463ee0b2 | 228 | |
c07a80fd | 229 | LEAVE; |
79072805 LW |
230 | return 0; |
231 | } | |
232 | ||
93a17b20 | 233 | MAGIC* |
8ac85365 | 234 | mg_find(SV *sv, int type) |
93a17b20 LW |
235 | { |
236 | MAGIC* mg; | |
93a17b20 LW |
237 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
238 | if (mg->mg_type == type) | |
239 | return mg; | |
240 | } | |
241 | return 0; | |
242 | } | |
243 | ||
79072805 | 244 | int |
8ac85365 | 245 | mg_copy(SV *sv, SV *nsv, char *key, I32 klen) |
79072805 | 246 | { |
463ee0b2 | 247 | int count = 0; |
79072805 | 248 | MAGIC* mg; |
463ee0b2 LW |
249 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
250 | if (isUPPER(mg->mg_type)) { | |
ece095e7 CS |
251 | sv_magic(nsv, |
252 | mg->mg_type == 'P' ? SvTIED_obj(sv, mg) : mg->mg_obj, | |
253 | toLOWER(mg->mg_type), key, klen); | |
463ee0b2 | 254 | count++; |
79072805 | 255 | } |
79072805 | 256 | } |
463ee0b2 | 257 | return count; |
79072805 LW |
258 | } |
259 | ||
260 | int | |
8ac85365 | 261 | mg_free(SV *sv) |
79072805 LW |
262 | { |
263 | MAGIC* mg; | |
264 | MAGIC* moremagic; | |
265 | for (mg = SvMAGIC(sv); mg; mg = moremagic) { | |
266 | MGVTBL* vtbl = mg->mg_virtual; | |
267 | moremagic = mg->mg_moremagic; | |
76e3520e GS |
268 | if (vtbl && (vtbl->svt_free != NULL)) |
269 | (VTBL->svt_free)(sv, mg); | |
93a17b20 | 270 | if (mg->mg_ptr && mg->mg_type != 'g') |
565764a8 | 271 | if (mg->mg_len >= 0) |
88e89b8a | 272 | Safefree(mg->mg_ptr); |
565764a8 | 273 | else if (mg->mg_len == HEf_SVKEY) |
88e89b8a | 274 | SvREFCNT_dec((SV*)mg->mg_ptr); |
85e6fe83 | 275 | if (mg->mg_flags & MGf_REFCOUNTED) |
8990e307 | 276 | SvREFCNT_dec(mg->mg_obj); |
79072805 LW |
277 | Safefree(mg); |
278 | } | |
279 | SvMAGIC(sv) = 0; | |
280 | return 0; | |
281 | } | |
282 | ||
283 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) | |
284 | #include <signal.h> | |
285 | #endif | |
286 | ||
93a17b20 | 287 | U32 |
8ac85365 | 288 | magic_len(SV *sv, MAGIC *mg) |
93a17b20 | 289 | { |
a863c7d1 | 290 | dTHR; |
93a17b20 LW |
291 | register I32 paren; |
292 | register char *s; | |
293 | register I32 i; | |
d9f97599 | 294 | register REGEXP *rx; |
748a9306 | 295 | char *t; |
93a17b20 LW |
296 | |
297 | switch (*mg->mg_ptr) { | |
298 | case '1': case '2': case '3': case '4': | |
299 | case '5': case '6': case '7': case '8': case '9': case '&': | |
3280af22 | 300 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
93a17b20 LW |
301 | paren = atoi(mg->mg_ptr); |
302 | getparen: | |
d9f97599 GS |
303 | if (paren <= rx->nparens && |
304 | (s = rx->startp[paren]) && | |
305 | (t = rx->endp[paren])) | |
bbce6d69 | 306 | { |
748a9306 | 307 | i = t - s; |
71be2cbc | 308 | if (i >= 0) |
93a17b20 | 309 | return i; |
93a17b20 | 310 | } |
93a17b20 | 311 | } |
748a9306 | 312 | return 0; |
93a17b20 | 313 | case '+': |
3280af22 | 314 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 | 315 | paren = rx->lastparen; |
13f57bf8 CS |
316 | if (paren) |
317 | goto getparen; | |
93a17b20 | 318 | } |
748a9306 | 319 | return 0; |
93a17b20 | 320 | case '`': |
3280af22 | 321 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 GS |
322 | if ((s = rx->subbeg) && rx->startp[0]) { |
323 | i = rx->startp[0] - s; | |
71be2cbc | 324 | if (i >= 0) |
93a17b20 | 325 | return i; |
93a17b20 | 326 | } |
93a17b20 | 327 | } |
748a9306 | 328 | return 0; |
93a17b20 | 329 | case '\'': |
3280af22 | 330 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 GS |
331 | if (rx->subend && (s = rx->endp[0])) { |
332 | i = rx->subend - s; | |
13f57bf8 | 333 | if (i >= 0) |
5cd24f17 | 334 | return i; |
93a17b20 | 335 | } |
93a17b20 | 336 | } |
748a9306 | 337 | return 0; |
93a17b20 | 338 | case ',': |
3280af22 | 339 | return (STRLEN)PL_ofslen; |
93a17b20 | 340 | case '\\': |
3280af22 | 341 | return (STRLEN)PL_orslen; |
93a17b20 LW |
342 | } |
343 | magic_get(sv,mg); | |
36596149 GB |
344 | if (!SvPOK(sv) && SvNIOK(sv)) { |
345 | STRLEN n_a; | |
346 | sv_2pv(sv, &n_a); | |
347 | } | |
93a17b20 LW |
348 | if (SvPOK(sv)) |
349 | return SvCUR(sv); | |
350 | return 0; | |
351 | } | |
352 | ||
79072805 | 353 | int |
8ac85365 | 354 | magic_get(SV *sv, MAGIC *mg) |
79072805 | 355 | { |
a863c7d1 | 356 | dTHR; |
79072805 LW |
357 | register I32 paren; |
358 | register char *s; | |
359 | register I32 i; | |
d9f97599 | 360 | register REGEXP *rx; |
748a9306 | 361 | char *t; |
79072805 LW |
362 | |
363 | switch (*mg->mg_ptr) { | |
748a9306 | 364 | case '\001': /* ^A */ |
3280af22 | 365 | sv_setsv(sv, PL_bodytarget); |
748a9306 | 366 | break; |
79072805 | 367 | case '\004': /* ^D */ |
3280af22 | 368 | sv_setiv(sv, (IV)(PL_debug & 32767)); |
79072805 | 369 | break; |
28f23441 | 370 | case '\005': /* ^E */ |
371 | #ifdef VMS | |
372 | { | |
373 | # include <descrip.h> | |
374 | # include <starlet.h> | |
375 | char msg[255]; | |
376 | $DESCRIPTOR(msgdsc,msg); | |
946ec16e | 377 | sv_setnv(sv,(double) vaxc$errno); |
28f23441 | 378 | if (sys$getmsg(vaxc$errno,&msgdsc.dsc$w_length,&msgdsc,0,0) & 1) |
379 | sv_setpvn(sv,msgdsc.dsc$a_pointer,msgdsc.dsc$w_length); | |
380 | else | |
381 | sv_setpv(sv,""); | |
382 | } | |
383 | #else | |
88e89b8a | 384 | #ifdef OS2 |
fb73857a | 385 | if (!(_emx_env & 0x200)) { /* Under DOS */ |
386 | sv_setnv(sv, (double)errno); | |
387 | sv_setpv(sv, errno ? Strerror(errno) : ""); | |
388 | } else { | |
5eba0cce IZ |
389 | if (errno != errno_isOS2) { |
390 | int tmp = _syserrno(); | |
391 | if (tmp) /* 2nd call to _syserrno() makes it 0 */ | |
392 | Perl_rc = tmp; | |
393 | } | |
fb73857a | 394 | sv_setnv(sv, (double)Perl_rc); |
395 | sv_setpv(sv, os2error(Perl_rc)); | |
396 | } | |
88e89b8a | 397 | #else |
22fae026 TM |
398 | #ifdef WIN32 |
399 | { | |
400 | DWORD dwErr = GetLastError(); | |
401 | sv_setnv(sv, (double)dwErr); | |
402 | if (dwErr) | |
76e3520e GS |
403 | { |
404 | #ifdef PERL_OBJECT | |
405 | char *sMsg; | |
406 | DWORD dwLen; | |
407 | PerlProc_GetSysMsg(sMsg, dwLen, dwErr); | |
408 | sv_setpvn(sv, sMsg, dwLen); | |
409 | PerlProc_FreeBuf(sMsg); | |
410 | #else | |
22fae026 | 411 | win32_str_os_error(sv, dwErr); |
76e3520e GS |
412 | #endif |
413 | } | |
22fae026 TM |
414 | else |
415 | sv_setpv(sv, ""); | |
416 | SetLastError(dwErr); | |
417 | } | |
418 | #else | |
946ec16e | 419 | sv_setnv(sv, (double)errno); |
28f23441 | 420 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
421 | #endif | |
88e89b8a | 422 | #endif |
22fae026 | 423 | #endif |
946ec16e | 424 | SvNOK_on(sv); /* what a wonderful hack! */ |
28f23441 | 425 | break; |
79072805 | 426 | case '\006': /* ^F */ |
3280af22 | 427 | sv_setiv(sv, (IV)PL_maxsysfd); |
79072805 | 428 | break; |
a0d0e21e | 429 | case '\010': /* ^H */ |
3280af22 | 430 | sv_setiv(sv, (IV)PL_hints); |
a0d0e21e | 431 | break; |
9d116dd7 | 432 | case '\011': /* ^I */ /* NOT \t in EBCDIC */ |
3280af22 NIS |
433 | if (PL_inplace) |
434 | sv_setpv(sv, PL_inplace); | |
79072805 | 435 | else |
3280af22 | 436 | sv_setsv(sv, &PL_sv_undef); |
79072805 | 437 | break; |
28f23441 | 438 | case '\017': /* ^O */ |
3280af22 | 439 | sv_setpv(sv, PL_osname); |
28f23441 | 440 | break; |
79072805 | 441 | case '\020': /* ^P */ |
3280af22 | 442 | sv_setiv(sv, (IV)PL_perldb); |
79072805 | 443 | break; |
fb73857a | 444 | case '\023': /* ^S */ |
d58bf5aa MB |
445 | { |
446 | dTHR; | |
3280af22 | 447 | if (PL_lex_state != LEX_NOTPARSING) |
d58bf5aa | 448 | SvOK_off(sv); |
3280af22 | 449 | else if (PL_in_eval) |
d58bf5aa MB |
450 | sv_setiv(sv, 1); |
451 | else | |
452 | sv_setiv(sv, 0); | |
453 | } | |
fb73857a | 454 | break; |
79072805 | 455 | case '\024': /* ^T */ |
88e89b8a | 456 | #ifdef BIG_TIME |
6b88bc9c | 457 | sv_setnv(sv, PL_basetime); |
88e89b8a | 458 | #else |
3280af22 | 459 | sv_setiv(sv, (IV)PL_basetime); |
88e89b8a | 460 | #endif |
79072805 LW |
461 | break; |
462 | case '\027': /* ^W */ | |
3280af22 | 463 | sv_setiv(sv, (IV)PL_dowarn); |
79072805 LW |
464 | break; |
465 | case '1': case '2': case '3': case '4': | |
466 | case '5': case '6': case '7': case '8': case '9': case '&': | |
3280af22 | 467 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
a863c7d1 MB |
468 | /* |
469 | * Pre-threads, this was paren = atoi(GvENAME((GV*)mg->mg_obj)); | |
470 | * XXX Does the new way break anything? | |
471 | */ | |
472 | paren = atoi(mg->mg_ptr); | |
79072805 | 473 | getparen: |
d9f97599 GS |
474 | if (paren <= rx->nparens && |
475 | (s = rx->startp[paren]) && | |
476 | (t = rx->endp[paren])) | |
bbce6d69 | 477 | { |
748a9306 | 478 | i = t - s; |
13f57bf8 | 479 | getrx: |
748a9306 | 480 | if (i >= 0) { |
13f57bf8 | 481 | bool was_tainted; |
3280af22 NIS |
482 | if (PL_tainting) { |
483 | was_tainted = PL_tainted; | |
484 | PL_tainted = FALSE; | |
13f57bf8 | 485 | } |
79072805 | 486 | sv_setpvn(sv,s,i); |
3280af22 NIS |
487 | if (PL_tainting) |
488 | PL_tainted = (was_tainted || RX_MATCH_TAINTED(rx)); | |
748a9306 LW |
489 | break; |
490 | } | |
79072805 | 491 | } |
79072805 | 492 | } |
3280af22 | 493 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
494 | break; |
495 | case '+': | |
3280af22 | 496 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 | 497 | paren = rx->lastparen; |
a0d0e21e LW |
498 | if (paren) |
499 | goto getparen; | |
79072805 | 500 | } |
3280af22 | 501 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
502 | break; |
503 | case '`': | |
3280af22 | 504 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 GS |
505 | if ((s = rx->subbeg) && rx->startp[0]) { |
506 | i = rx->startp[0] - s; | |
13f57bf8 | 507 | goto getrx; |
79072805 | 508 | } |
79072805 | 509 | } |
3280af22 | 510 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
511 | break; |
512 | case '\'': | |
3280af22 | 513 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 GS |
514 | if (rx->subend && (s = rx->endp[0])) { |
515 | i = rx->subend - s; | |
13f57bf8 | 516 | goto getrx; |
79072805 | 517 | } |
79072805 | 518 | } |
3280af22 | 519 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
520 | break; |
521 | case '.': | |
522 | #ifndef lint | |
3280af22 NIS |
523 | if (GvIO(PL_last_in_gv)) { |
524 | sv_setiv(sv, (IV)IoLINES(GvIO(PL_last_in_gv))); | |
79072805 LW |
525 | } |
526 | #endif | |
527 | break; | |
528 | case '?': | |
809a5acc | 529 | { |
809a5acc | 530 | sv_setiv(sv, (IV)STATUS_CURRENT); |
ff0cee69 | 531 | #ifdef COMPLEX_STATUS |
6b88bc9c GS |
532 | LvTARGOFF(sv) = PL_statusvalue; |
533 | LvTARGLEN(sv) = PL_statusvalue_vms; | |
ff0cee69 | 534 | #endif |
809a5acc | 535 | } |
79072805 LW |
536 | break; |
537 | case '^': | |
3280af22 | 538 | s = IoTOP_NAME(GvIOp(PL_defoutgv)); |
79072805 LW |
539 | if (s) |
540 | sv_setpv(sv,s); | |
541 | else { | |
3280af22 | 542 | sv_setpv(sv,GvENAME(PL_defoutgv)); |
79072805 LW |
543 | sv_catpv(sv,"_TOP"); |
544 | } | |
545 | break; | |
546 | case '~': | |
3280af22 | 547 | s = IoFMT_NAME(GvIOp(PL_defoutgv)); |
79072805 | 548 | if (!s) |
3280af22 | 549 | s = GvENAME(PL_defoutgv); |
79072805 LW |
550 | sv_setpv(sv,s); |
551 | break; | |
552 | #ifndef lint | |
553 | case '=': | |
3280af22 | 554 | sv_setiv(sv, (IV)IoPAGE_LEN(GvIOp(PL_defoutgv))); |
79072805 LW |
555 | break; |
556 | case '-': | |
3280af22 | 557 | sv_setiv(sv, (IV)IoLINES_LEFT(GvIOp(PL_defoutgv))); |
79072805 LW |
558 | break; |
559 | case '%': | |
3280af22 | 560 | sv_setiv(sv, (IV)IoPAGE(GvIOp(PL_defoutgv))); |
79072805 LW |
561 | break; |
562 | #endif | |
563 | case ':': | |
564 | break; | |
565 | case '/': | |
566 | break; | |
567 | case '[': | |
3280af22 | 568 | WITH_THR(sv_setiv(sv, (IV)PL_curcop->cop_arybase)); |
79072805 LW |
569 | break; |
570 | case '|': | |
3280af22 | 571 | sv_setiv(sv, (IV)(IoFLAGS(GvIOp(PL_defoutgv)) & IOf_FLUSH) != 0 ); |
79072805 LW |
572 | break; |
573 | case ',': | |
3280af22 | 574 | sv_setpvn(sv,PL_ofs,PL_ofslen); |
79072805 LW |
575 | break; |
576 | case '\\': | |
3280af22 | 577 | sv_setpvn(sv,PL_ors,PL_orslen); |
79072805 LW |
578 | break; |
579 | case '#': | |
3280af22 | 580 | sv_setpv(sv,PL_ofmt); |
79072805 LW |
581 | break; |
582 | case '!': | |
a5f75d66 | 583 | #ifdef VMS |
946ec16e | 584 | sv_setnv(sv, (double)((errno == EVMSERR) ? vaxc$errno : errno)); |
88e89b8a | 585 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
a5f75d66 | 586 | #else |
88e89b8a | 587 | { |
588 | int saveerrno = errno; | |
946ec16e | 589 | sv_setnv(sv, (double)errno); |
88e89b8a | 590 | #ifdef OS2 |
591 | if (errno == errno_isOS2) sv_setpv(sv, os2error(Perl_rc)); | |
592 | else | |
a5f75d66 | 593 | #endif |
2304df62 | 594 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
88e89b8a | 595 | errno = saveerrno; |
596 | } | |
597 | #endif | |
946ec16e | 598 | SvNOK_on(sv); /* what a wonderful hack! */ |
79072805 LW |
599 | break; |
600 | case '<': | |
3280af22 | 601 | sv_setiv(sv, (IV)PL_uid); |
79072805 LW |
602 | break; |
603 | case '>': | |
3280af22 | 604 | sv_setiv(sv, (IV)PL_euid); |
79072805 LW |
605 | break; |
606 | case '(': | |
3280af22 NIS |
607 | sv_setiv(sv, (IV)PL_gid); |
608 | sv_setpvf(sv, "%Vd", (IV)PL_gid); | |
79072805 LW |
609 | goto add_groups; |
610 | case ')': | |
3280af22 NIS |
611 | sv_setiv(sv, (IV)PL_egid); |
612 | sv_setpvf(sv, "%Vd", (IV)PL_egid); | |
79072805 | 613 | add_groups: |
79072805 | 614 | #ifdef HAS_GETGROUPS |
79072805 | 615 | { |
a0d0e21e | 616 | Groups_t gary[NGROUPS]; |
79072805 | 617 | i = getgroups(NGROUPS,gary); |
46fc3d4c | 618 | while (--i >= 0) |
fc36a67e | 619 | sv_catpvf(sv, " %Vd", (IV)gary[i]); |
79072805 LW |
620 | } |
621 | #endif | |
29355cf7 | 622 | SvIOK_on(sv); /* what a wonderful hack! */ |
79072805 LW |
623 | break; |
624 | case '*': | |
625 | break; | |
626 | case '0': | |
627 | break; | |
a863c7d1 MB |
628 | #ifdef USE_THREADS |
629 | case '@': | |
38a03e6e | 630 | sv_setsv(sv, thr->errsv); |
a863c7d1 MB |
631 | break; |
632 | #endif /* USE_THREADS */ | |
79072805 | 633 | } |
a0d0e21e | 634 | return 0; |
79072805 LW |
635 | } |
636 | ||
637 | int | |
8ac85365 | 638 | magic_getuvar(SV *sv, MAGIC *mg) |
79072805 LW |
639 | { |
640 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; | |
641 | ||
642 | if (uf && uf->uf_val) | |
643 | (*uf->uf_val)(uf->uf_index, sv); | |
644 | return 0; | |
645 | } | |
646 | ||
647 | int | |
8ac85365 | 648 | magic_setenv(SV *sv, MAGIC *mg) |
79072805 LW |
649 | { |
650 | register char *s; | |
88e89b8a | 651 | char *ptr; |
5aabfad6 | 652 | STRLEN len, klen; |
a0d0e21e | 653 | I32 i; |
1e422769 | 654 | |
a0d0e21e | 655 | s = SvPV(sv,len); |
5aabfad6 | 656 | ptr = MgPV(mg,klen); |
88e89b8a | 657 | my_setenv(ptr, s); |
1e422769 | 658 | |
a0d0e21e LW |
659 | #ifdef DYNAMIC_ENV_FETCH |
660 | /* We just undefd an environment var. Is a replacement */ | |
661 | /* waiting in the wings? */ | |
662 | if (!len) { | |
5aabfad6 | 663 | SV **valp; |
6b88bc9c | 664 | if ((valp = hv_fetch(GvHVn(PL_envgv), ptr, klen, FALSE))) |
5aabfad6 | 665 | s = SvPV(*valp, len); |
a0d0e21e LW |
666 | } |
667 | #endif | |
1e422769 | 668 | |
39e571d4 | 669 | #if !defined(OS2) && !defined(AMIGAOS) && !defined(WIN32) && !defined(MSDOS) |
79072805 LW |
670 | /* And you'll never guess what the dog had */ |
671 | /* in its mouth... */ | |
3280af22 | 672 | if (PL_tainting) { |
1e422769 | 673 | MgTAINTEDDIR_off(mg); |
674 | #ifdef VMS | |
5aabfad6 | 675 | if (s && klen == 8 && strEQ(ptr, "DCL$PATH")) { |
1e422769 | 676 | char pathbuf[256], eltbuf[256], *cp, *elt = s; |
677 | struct stat sbuf; | |
678 | int i = 0, j = 0; | |
679 | ||
680 | do { /* DCL$PATH may be a search list */ | |
681 | while (1) { /* as may dev portion of any element */ | |
682 | if ( ((cp = strchr(elt,'[')) || (cp = strchr(elt,'<'))) ) { | |
683 | if ( *(cp+1) == '.' || *(cp+1) == '-' || | |
684 | cando_by_name(S_IWUSR,0,elt) ) { | |
685 | MgTAINTEDDIR_on(mg); | |
686 | return 0; | |
687 | } | |
688 | } | |
689 | if ((cp = strchr(elt, ':')) != Nullch) | |
690 | *cp = '\0'; | |
691 | if (my_trnlnm(elt, eltbuf, j++)) | |
692 | elt = eltbuf; | |
693 | else | |
694 | break; | |
695 | } | |
696 | j = 0; | |
697 | } while (my_trnlnm(s, pathbuf, i++) && (elt = pathbuf)); | |
698 | } | |
699 | #endif /* VMS */ | |
5aabfad6 | 700 | if (s && klen == 4 && strEQ(ptr,"PATH")) { |
a0d0e21e | 701 | char *strend = s + len; |
463ee0b2 LW |
702 | |
703 | while (s < strend) { | |
96827780 | 704 | char tmpbuf[256]; |
1e422769 | 705 | struct stat st; |
96827780 | 706 | s = delimcpy(tmpbuf, tmpbuf + sizeof tmpbuf, |
fc36a67e | 707 | s, strend, ':', &i); |
463ee0b2 | 708 | s++; |
96827780 MB |
709 | if (i >= sizeof tmpbuf /* too long -- assume the worst */ |
710 | || *tmpbuf != '/' | |
c6ed36e1 | 711 | || (PerlLIO_stat(tmpbuf, &st) == 0 && (st.st_mode & 2)) ) { |
8990e307 | 712 | MgTAINTEDDIR_on(mg); |
1e422769 | 713 | return 0; |
714 | } | |
463ee0b2 | 715 | } |
79072805 LW |
716 | } |
717 | } | |
39e571d4 | 718 | #endif /* neither OS2 nor AMIGAOS nor WIN32 nor MSDOS */ |
1e422769 | 719 | |
79072805 LW |
720 | return 0; |
721 | } | |
722 | ||
723 | int | |
8ac85365 | 724 | magic_clearenv(SV *sv, MAGIC *mg) |
85e6fe83 | 725 | { |
36596149 GB |
726 | STRLEN n_a; |
727 | my_setenv(MgPV(mg,n_a),Nullch); | |
85e6fe83 LW |
728 | return 0; |
729 | } | |
730 | ||
88e89b8a | 731 | int |
8ac85365 | 732 | magic_set_all_env(SV *sv, MAGIC *mg) |
fb73857a | 733 | { |
734 | #if defined(VMS) | |
735 | die("Can't make list assignment to %%ENV on this system"); | |
736 | #else | |
d58bf5aa | 737 | dTHR; |
3280af22 | 738 | if (PL_localizing) { |
fb73857a | 739 | HE* entry; |
36596149 | 740 | STRLEN n_a; |
fb73857a | 741 | magic_clear_all_env(sv,mg); |
742 | hv_iterinit((HV*)sv); | |
743 | while (entry = hv_iternext((HV*)sv)) { | |
744 | I32 keylen; | |
745 | my_setenv(hv_iterkey(entry, &keylen), | |
36596149 | 746 | SvPV(hv_iterval((HV*)sv, entry), n_a)); |
fb73857a | 747 | } |
748 | } | |
749 | #endif | |
750 | return 0; | |
751 | } | |
752 | ||
753 | int | |
8ac85365 | 754 | magic_clear_all_env(SV *sv, MAGIC *mg) |
66b1d557 | 755 | { |
3e3baf6d TB |
756 | #if defined(VMS) |
757 | die("Can't make list assignment to %%ENV on this system"); | |
758 | #else | |
759 | #ifdef WIN32 | |
760 | char *envv = GetEnvironmentStrings(); | |
761 | char *cur = envv; | |
762 | STRLEN len; | |
763 | while (*cur) { | |
764 | char *end = strchr(cur,'='); | |
765 | if (end && end != cur) { | |
766 | *end = '\0'; | |
767 | my_setenv(cur,Nullch); | |
768 | *end = '='; | |
1226ac0c | 769 | cur = end + strlen(end+1)+2; |
3e3baf6d TB |
770 | } |
771 | else if ((len = strlen(cur))) | |
772 | cur += len+1; | |
773 | } | |
774 | FreeEnvironmentStrings(envv); | |
66b1d557 HM |
775 | #else |
776 | I32 i; | |
777 | ||
3280af22 | 778 | if (environ == PL_origenviron) |
66b1d557 HM |
779 | New(901, environ, 1, char*); |
780 | else | |
781 | for (i = 0; environ[i]; i++) | |
782 | Safefree(environ[i]); | |
783 | environ[0] = Nullch; | |
784 | ||
66b1d557 | 785 | #endif |
3e3baf6d TB |
786 | #endif |
787 | return 0; | |
66b1d557 HM |
788 | } |
789 | ||
790 | int | |
8ac85365 | 791 | magic_getsig(SV *sv, MAGIC *mg) |
88e89b8a | 792 | { |
793 | I32 i; | |
36596149 | 794 | STRLEN n_a; |
88e89b8a | 795 | /* Are we fetching a signal entry? */ |
36596149 | 796 | i = whichsig(MgPV(mg,n_a)); |
88e89b8a | 797 | if (i) { |
798 | if(psig_ptr[i]) | |
799 | sv_setsv(sv,psig_ptr[i]); | |
800 | else { | |
ff68c719 | 801 | Sighandler_t sigstate = rsignal_state(i); |
802 | ||
88e89b8a | 803 | /* cache state so we don't fetch it again */ |
ff68c719 | 804 | if(sigstate == SIG_IGN) |
88e89b8a | 805 | sv_setpv(sv,"IGNORE"); |
806 | else | |
3280af22 | 807 | sv_setsv(sv,&PL_sv_undef); |
88e89b8a | 808 | psig_ptr[i] = SvREFCNT_inc(sv); |
809 | SvTEMP_off(sv); | |
810 | } | |
811 | } | |
812 | return 0; | |
813 | } | |
814 | int | |
8ac85365 | 815 | magic_clearsig(SV *sv, MAGIC *mg) |
88e89b8a | 816 | { |
817 | I32 i; | |
36596149 | 818 | STRLEN n_a; |
88e89b8a | 819 | /* Are we clearing a signal entry? */ |
36596149 | 820 | i = whichsig(MgPV(mg,n_a)); |
88e89b8a | 821 | if (i) { |
822 | if(psig_ptr[i]) { | |
823 | SvREFCNT_dec(psig_ptr[i]); | |
824 | psig_ptr[i]=0; | |
825 | } | |
826 | if(psig_name[i]) { | |
827 | SvREFCNT_dec(psig_name[i]); | |
828 | psig_name[i]=0; | |
829 | } | |
830 | } | |
831 | return 0; | |
832 | } | |
3d37d572 | 833 | |
85e6fe83 | 834 | int |
8ac85365 | 835 | magic_setsig(SV *sv, MAGIC *mg) |
79072805 | 836 | { |
11343788 | 837 | dTHR; |
79072805 LW |
838 | register char *s; |
839 | I32 i; | |
748a9306 | 840 | SV** svp; |
36596149 | 841 | STRLEN n_a; |
a0d0e21e | 842 | |
36596149 | 843 | s = MgPV(mg,n_a); |
748a9306 LW |
844 | if (*s == '_') { |
845 | if (strEQ(s,"__DIE__")) | |
3280af22 | 846 | svp = &PL_diehook; |
748a9306 | 847 | else if (strEQ(s,"__WARN__")) |
3280af22 | 848 | svp = &PL_warnhook; |
748a9306 | 849 | else if (strEQ(s,"__PARSE__")) |
3280af22 | 850 | svp = &PL_parsehook; |
748a9306 LW |
851 | else |
852 | croak("No such hook: %s", s); | |
853 | i = 0; | |
4633a7c4 LW |
854 | if (*svp) { |
855 | SvREFCNT_dec(*svp); | |
856 | *svp = 0; | |
857 | } | |
748a9306 LW |
858 | } |
859 | else { | |
860 | i = whichsig(s); /* ...no, a brick */ | |
861 | if (!i) { | |
3280af22 | 862 | if (PL_dowarn || strEQ(s,"ALARM")) |
748a9306 LW |
863 | warn("No such signal: SIG%s", s); |
864 | return 0; | |
865 | } | |
ff0cee69 | 866 | SvREFCNT_dec(psig_name[i]); |
867 | SvREFCNT_dec(psig_ptr[i]); | |
88e89b8a | 868 | psig_ptr[i] = SvREFCNT_inc(sv); |
88e89b8a | 869 | SvTEMP_off(sv); /* Make sure it doesn't go away on us */ |
ff0cee69 | 870 | psig_name[i] = newSVpv(s, strlen(s)); |
88e89b8a | 871 | SvREADONLY_on(psig_name[i]); |
748a9306 | 872 | } |
a0d0e21e | 873 | if (SvTYPE(sv) == SVt_PVGV || SvROK(sv)) { |
748a9306 | 874 | if (i) |
3280af22 | 875 | (void)rsignal(i, PL_sighandlerp); |
748a9306 LW |
876 | else |
877 | *svp = SvREFCNT_inc(sv); | |
a0d0e21e LW |
878 | return 0; |
879 | } | |
36596149 | 880 | s = SvPV_force(sv,n_a); |
748a9306 LW |
881 | if (strEQ(s,"IGNORE")) { |
882 | if (i) | |
ff68c719 | 883 | (void)rsignal(i, SIG_IGN); |
748a9306 LW |
884 | else |
885 | *svp = 0; | |
886 | } | |
887 | else if (strEQ(s,"DEFAULT") || !*s) { | |
888 | if (i) | |
ff68c719 | 889 | (void)rsignal(i, SIG_DFL); |
748a9306 LW |
890 | else |
891 | *svp = 0; | |
892 | } | |
79072805 | 893 | else { |
5aabfad6 | 894 | /* |
895 | * We should warn if HINT_STRICT_REFS, but without | |
896 | * access to a known hint bit in a known OP, we can't | |
897 | * tell whether HINT_STRICT_REFS is in force or not. | |
898 | */ | |
46fc3d4c | 899 | if (!strchr(s,':') && !strchr(s,'\'')) |
900 | sv_setpv(sv, form("main::%s", s)); | |
748a9306 | 901 | if (i) |
3280af22 | 902 | (void)rsignal(i, PL_sighandlerp); |
748a9306 LW |
903 | else |
904 | *svp = SvREFCNT_inc(sv); | |
79072805 LW |
905 | } |
906 | return 0; | |
907 | } | |
908 | ||
909 | int | |
8ac85365 | 910 | magic_setisa(SV *sv, MAGIC *mg) |
79072805 | 911 | { |
3280af22 | 912 | PL_sub_generation++; |
463ee0b2 LW |
913 | return 0; |
914 | } | |
915 | ||
a0d0e21e LW |
916 | #ifdef OVERLOAD |
917 | ||
463ee0b2 | 918 | int |
8ac85365 | 919 | magic_setamagic(SV *sv, MAGIC *mg) |
463ee0b2 | 920 | { |
a0d0e21e | 921 | /* HV_badAMAGIC_on(Sv_STASH(sv)); */ |
3280af22 | 922 | PL_amagic_generation++; |
463ee0b2 | 923 | |
a0d0e21e LW |
924 | return 0; |
925 | } | |
926 | #endif /* OVERLOAD */ | |
463ee0b2 | 927 | |
946ec16e | 928 | int |
6ff81951 GS |
929 | magic_getnkeys(SV *sv, MAGIC *mg) |
930 | { | |
931 | HV *hv = (HV*)LvTARG(sv); | |
932 | HE *entry; | |
933 | I32 i = 0; | |
934 | ||
935 | if (hv) { | |
936 | (void) hv_iterinit(hv); | |
ece095e7 | 937 | if (! SvTIED_mg((SV*)hv, 'P')) |
6ff81951 GS |
938 | i = HvKEYS(hv); |
939 | else { | |
940 | /*SUPPRESS 560*/ | |
941 | while (entry = hv_iternext(hv)) { | |
942 | i++; | |
943 | } | |
944 | } | |
945 | } | |
946 | ||
947 | sv_setiv(sv, (IV)i); | |
948 | return 0; | |
949 | } | |
950 | ||
951 | int | |
8ac85365 | 952 | magic_setnkeys(SV *sv, MAGIC *mg) |
946ec16e | 953 | { |
954 | if (LvTARG(sv)) { | |
955 | hv_ksplit((HV*)LvTARG(sv), SvIV(sv)); | |
946ec16e | 956 | } |
957 | return 0; | |
93965878 | 958 | } |
946ec16e | 959 | |
e336de0d | 960 | /* caller is responsible for stack switching/cleanup */ |
565764a8 | 961 | STATIC int |
ece095e7 | 962 | magic_methcall(SV *sv, MAGIC *mg, char *meth, I32 flags, int n, SV *val) |
a0d0e21e LW |
963 | { |
964 | dSP; | |
463ee0b2 | 965 | |
924508f0 GS |
966 | PUSHMARK(SP); |
967 | EXTEND(SP, n); | |
ece095e7 | 968 | PUSHs(SvTIED_obj(sv, mg)); |
93965878 NIS |
969 | if (n > 1) { |
970 | if (mg->mg_ptr) { | |
565764a8 DL |
971 | if (mg->mg_len >= 0) |
972 | PUSHs(sv_2mortal(newSVpv(mg->mg_ptr, mg->mg_len))); | |
973 | else if (mg->mg_len == HEf_SVKEY) | |
93965878 NIS |
974 | PUSHs((SV*)mg->mg_ptr); |
975 | } | |
976 | else if (mg->mg_type == 'p') { | |
565764a8 | 977 | PUSHs(sv_2mortal(newSViv(mg->mg_len))); |
93965878 NIS |
978 | } |
979 | } | |
980 | if (n > 2) { | |
981 | PUSHs(val); | |
88e89b8a | 982 | } |
463ee0b2 LW |
983 | PUTBACK; |
984 | ||
93965878 | 985 | return perl_call_method(meth, flags); |
946ec16e | 986 | } |
987 | ||
76e3520e | 988 | STATIC int |
8ac85365 | 989 | magic_methpack(SV *sv, MAGIC *mg, char *meth) |
a0d0e21e LW |
990 | { |
991 | dSP; | |
463ee0b2 | 992 | |
a0d0e21e LW |
993 | ENTER; |
994 | SAVETMPS; | |
e788e7d3 | 995 | PUSHSTACKi(PERLSI_MAGIC); |
463ee0b2 | 996 | |
ece095e7 | 997 | if (magic_methcall(sv, mg, meth, G_SCALAR, 2, NULL)) { |
3280af22 | 998 | sv_setsv(sv, *PL_stack_sp--); |
93965878 | 999 | } |
463ee0b2 | 1000 | |
d3acc0f7 | 1001 | POPSTACK; |
a0d0e21e LW |
1002 | FREETMPS; |
1003 | LEAVE; | |
1004 | return 0; | |
1005 | } | |
463ee0b2 | 1006 | |
a0d0e21e | 1007 | int |
8ac85365 | 1008 | magic_getpack(SV *sv, MAGIC *mg) |
a0d0e21e LW |
1009 | { |
1010 | magic_methpack(sv,mg,"FETCH"); | |
1011 | if (mg->mg_ptr) | |
1012 | mg->mg_flags |= MGf_GSKIP; | |
463ee0b2 LW |
1013 | return 0; |
1014 | } | |
1015 | ||
1016 | int | |
8ac85365 | 1017 | magic_setpack(SV *sv, MAGIC *mg) |
e336de0d GS |
1018 | { |
1019 | dSP; | |
a60c0954 | 1020 | ENTER; |
e788e7d3 | 1021 | PUSHSTACKi(PERLSI_MAGIC); |
ece095e7 | 1022 | magic_methcall(sv, mg, "STORE", G_SCALAR|G_DISCARD, 3, sv); |
d3acc0f7 | 1023 | POPSTACK; |
a60c0954 | 1024 | LEAVE; |
463ee0b2 LW |
1025 | return 0; |
1026 | } | |
1027 | ||
1028 | int | |
8ac85365 | 1029 | magic_clearpack(SV *sv, MAGIC *mg) |
463ee0b2 | 1030 | { |
a0d0e21e LW |
1031 | return magic_methpack(sv,mg,"DELETE"); |
1032 | } | |
463ee0b2 | 1033 | |
93965878 NIS |
1034 | |
1035 | U32 | |
1036 | magic_sizepack(SV *sv, MAGIC *mg) | |
1037 | { | |
e336de0d | 1038 | dSP; |
93965878 NIS |
1039 | U32 retval = 0; |
1040 | ||
1041 | ENTER; | |
1042 | SAVETMPS; | |
e788e7d3 | 1043 | PUSHSTACKi(PERLSI_MAGIC); |
ece095e7 | 1044 | if (magic_methcall(sv, mg, "FETCHSIZE", G_SCALAR, 2, NULL)) { |
3280af22 | 1045 | sv = *PL_stack_sp--; |
a60c0954 | 1046 | retval = (U32) SvIV(sv)-1; |
93965878 | 1047 | } |
d3acc0f7 | 1048 | POPSTACK; |
93965878 NIS |
1049 | FREETMPS; |
1050 | LEAVE; | |
1051 | return retval; | |
1052 | } | |
1053 | ||
8ac85365 | 1054 | int magic_wipepack(SV *sv, MAGIC *mg) |
a0d0e21e LW |
1055 | { |
1056 | dSP; | |
463ee0b2 | 1057 | |
e336de0d | 1058 | ENTER; |
e788e7d3 | 1059 | PUSHSTACKi(PERLSI_MAGIC); |
924508f0 | 1060 | PUSHMARK(SP); |
ece095e7 | 1061 | XPUSHs(SvTIED_obj(sv, mg)); |
463ee0b2 | 1062 | PUTBACK; |
a0d0e21e | 1063 | perl_call_method("CLEAR", G_SCALAR|G_DISCARD); |
d3acc0f7 | 1064 | POPSTACK; |
a60c0954 | 1065 | LEAVE; |
463ee0b2 LW |
1066 | return 0; |
1067 | } | |
1068 | ||
1069 | int | |
8ac85365 | 1070 | magic_nextpack(SV *sv, MAGIC *mg, SV *key) |
463ee0b2 | 1071 | { |
463ee0b2 | 1072 | dSP; |
a0d0e21e | 1073 | char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY"; |
463ee0b2 LW |
1074 | |
1075 | ENTER; | |
a0d0e21e | 1076 | SAVETMPS; |
e788e7d3 | 1077 | PUSHSTACKi(PERLSI_MAGIC); |
924508f0 GS |
1078 | PUSHMARK(SP); |
1079 | EXTEND(SP, 2); | |
ece095e7 | 1080 | PUSHs(SvTIED_obj(sv, mg)); |
463ee0b2 LW |
1081 | if (SvOK(key)) |
1082 | PUSHs(key); | |
1083 | PUTBACK; | |
1084 | ||
a0d0e21e | 1085 | if (perl_call_method(meth, G_SCALAR)) |
3280af22 | 1086 | sv_setsv(key, *PL_stack_sp--); |
463ee0b2 | 1087 | |
d3acc0f7 | 1088 | POPSTACK; |
a0d0e21e LW |
1089 | FREETMPS; |
1090 | LEAVE; | |
79072805 LW |
1091 | return 0; |
1092 | } | |
1093 | ||
1094 | int | |
8ac85365 | 1095 | magic_existspack(SV *sv, MAGIC *mg) |
a0d0e21e LW |
1096 | { |
1097 | return magic_methpack(sv,mg,"EXISTS"); | |
1098 | } | |
1099 | ||
1100 | int | |
8ac85365 | 1101 | magic_setdbline(SV *sv, MAGIC *mg) |
79072805 | 1102 | { |
11343788 | 1103 | dTHR; |
79072805 LW |
1104 | OP *o; |
1105 | I32 i; | |
1106 | GV* gv; | |
1107 | SV** svp; | |
36596149 | 1108 | STRLEN n_a; |
79072805 | 1109 | |
3280af22 | 1110 | gv = PL_DBline; |
79072805 | 1111 | i = SvTRUE(sv); |
188ea221 | 1112 | svp = av_fetch(GvAV(gv), |
36596149 | 1113 | atoi(MgPV(mg,n_a)), FALSE); |
8990e307 | 1114 | if (svp && SvIOKp(*svp) && (o = (OP*)SvSTASH(*svp))) |
93a17b20 | 1115 | o->op_private = i; |
79072805 LW |
1116 | else |
1117 | warn("Can't break at that line\n"); | |
1118 | return 0; | |
1119 | } | |
1120 | ||
1121 | int | |
8ac85365 | 1122 | magic_getarylen(SV *sv, MAGIC *mg) |
79072805 | 1123 | { |
0f15f207 | 1124 | dTHR; |
3280af22 | 1125 | sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + PL_curcop->cop_arybase); |
79072805 LW |
1126 | return 0; |
1127 | } | |
1128 | ||
1129 | int | |
8ac85365 | 1130 | magic_setarylen(SV *sv, MAGIC *mg) |
79072805 | 1131 | { |
0f15f207 | 1132 | dTHR; |
3280af22 | 1133 | av_fill((AV*)mg->mg_obj, SvIV(sv) - PL_curcop->cop_arybase); |
a0d0e21e LW |
1134 | return 0; |
1135 | } | |
1136 | ||
1137 | int | |
8ac85365 | 1138 | magic_getpos(SV *sv, MAGIC *mg) |
a0d0e21e LW |
1139 | { |
1140 | SV* lsv = LvTARG(sv); | |
1141 | ||
1142 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) { | |
1143 | mg = mg_find(lsv, 'g'); | |
565764a8 | 1144 | if (mg && mg->mg_len >= 0) { |
0f15f207 | 1145 | dTHR; |
3280af22 | 1146 | sv_setiv(sv, mg->mg_len + PL_curcop->cop_arybase); |
a0d0e21e LW |
1147 | return 0; |
1148 | } | |
1149 | } | |
1150 | (void)SvOK_off(sv); | |
1151 | return 0; | |
1152 | } | |
1153 | ||
1154 | int | |
8ac85365 | 1155 | magic_setpos(SV *sv, MAGIC *mg) |
a0d0e21e LW |
1156 | { |
1157 | SV* lsv = LvTARG(sv); | |
1158 | SSize_t pos; | |
1159 | STRLEN len; | |
1160 | ||
1161 | mg = 0; | |
1162 | ||
1163 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) | |
1164 | mg = mg_find(lsv, 'g'); | |
1165 | if (!mg) { | |
1166 | if (!SvOK(sv)) | |
1167 | return 0; | |
1168 | sv_magic(lsv, (SV*)0, 'g', Nullch, 0); | |
1169 | mg = mg_find(lsv, 'g'); | |
1170 | } | |
1171 | else if (!SvOK(sv)) { | |
565764a8 | 1172 | mg->mg_len = -1; |
a0d0e21e LW |
1173 | return 0; |
1174 | } | |
1175 | len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv); | |
1176 | ||
3280af22 | 1177 | WITH_THR(pos = SvIV(sv) - PL_curcop->cop_arybase); |
a0d0e21e LW |
1178 | if (pos < 0) { |
1179 | pos += len; | |
1180 | if (pos < 0) | |
1181 | pos = 0; | |
1182 | } | |
1183 | else if (pos > len) | |
1184 | pos = len; | |
565764a8 | 1185 | mg->mg_len = pos; |
71be2cbc | 1186 | mg->mg_flags &= ~MGf_MINMATCH; |
a0d0e21e | 1187 | |
79072805 LW |
1188 | return 0; |
1189 | } | |
1190 | ||
1191 | int | |
8ac85365 | 1192 | magic_getglob(SV *sv, MAGIC *mg) |
79072805 | 1193 | { |
8646b087 | 1194 | if (SvFAKE(sv)) { /* FAKE globs can get coerced */ |
1195 | SvFAKE_off(sv); | |
946ec16e | 1196 | gv_efullname3(sv,((GV*)sv), "*"); |
8646b087 | 1197 | SvFAKE_on(sv); |
1198 | } | |
1199 | else | |
946ec16e | 1200 | gv_efullname3(sv,((GV*)sv), "*"); /* a gv value, be nice */ |
79072805 LW |
1201 | return 0; |
1202 | } | |
1203 | ||
1204 | int | |
8ac85365 | 1205 | magic_setglob(SV *sv, MAGIC *mg) |
79072805 LW |
1206 | { |
1207 | register char *s; | |
1208 | GV* gv; | |
36596149 | 1209 | STRLEN n_a; |
79072805 LW |
1210 | |
1211 | if (!SvOK(sv)) | |
1212 | return 0; | |
36596149 | 1213 | s = SvPV(sv, n_a); |
79072805 LW |
1214 | if (*s == '*' && s[1]) |
1215 | s++; | |
85e6fe83 | 1216 | gv = gv_fetchpv(s,TRUE, SVt_PVGV); |
79072805 LW |
1217 | if (sv == (SV*)gv) |
1218 | return 0; | |
1219 | if (GvGP(sv)) | |
88e89b8a | 1220 | gp_free((GV*)sv); |
79072805 | 1221 | GvGP(sv) = gp_ref(GvGP(gv)); |
79072805 LW |
1222 | return 0; |
1223 | } | |
1224 | ||
1225 | int | |
6ff81951 GS |
1226 | magic_getsubstr(SV *sv, MAGIC *mg) |
1227 | { | |
1228 | STRLEN len; | |
1229 | SV *lsv = LvTARG(sv); | |
1230 | char *tmps = SvPV(lsv,len); | |
1231 | I32 offs = LvTARGOFF(sv); | |
1232 | I32 rem = LvTARGLEN(sv); | |
1233 | ||
1234 | if (offs > len) | |
1235 | offs = len; | |
1236 | if (rem + offs > len) | |
1237 | rem = len - offs; | |
1238 | sv_setpvn(sv, tmps + offs, (STRLEN)rem); | |
1239 | return 0; | |
1240 | } | |
1241 | ||
1242 | int | |
8ac85365 | 1243 | magic_setsubstr(SV *sv, MAGIC *mg) |
79072805 | 1244 | { |
8990e307 LW |
1245 | STRLEN len; |
1246 | char *tmps = SvPV(sv,len); | |
1247 | sv_insert(LvTARG(sv),LvTARGOFF(sv),LvTARGLEN(sv), tmps, len); | |
79072805 LW |
1248 | return 0; |
1249 | } | |
1250 | ||
1251 | int | |
8ac85365 | 1252 | magic_gettaint(SV *sv, MAGIC *mg) |
463ee0b2 | 1253 | { |
a863c7d1 | 1254 | dTHR; |
565764a8 DL |
1255 | TAINT_IF((mg->mg_len & 1) || |
1256 | (mg->mg_len & 2) && mg->mg_obj == sv); /* kludge */ | |
463ee0b2 LW |
1257 | return 0; |
1258 | } | |
1259 | ||
1260 | int | |
8ac85365 | 1261 | magic_settaint(SV *sv, MAGIC *mg) |
463ee0b2 | 1262 | { |
11343788 | 1263 | dTHR; |
3280af22 NIS |
1264 | if (PL_localizing) { |
1265 | if (PL_localizing == 1) | |
565764a8 | 1266 | mg->mg_len <<= 1; |
748a9306 | 1267 | else |
565764a8 | 1268 | mg->mg_len >>= 1; |
a0d0e21e | 1269 | } |
3280af22 | 1270 | else if (PL_tainted) |
565764a8 | 1271 | mg->mg_len |= 1; |
748a9306 | 1272 | else |
565764a8 | 1273 | mg->mg_len &= ~1; |
463ee0b2 LW |
1274 | return 0; |
1275 | } | |
1276 | ||
1277 | int | |
6ff81951 GS |
1278 | magic_getvec(SV *sv, MAGIC *mg) |
1279 | { | |
1280 | SV *lsv = LvTARG(sv); | |
1281 | unsigned char *s; | |
1282 | unsigned long retnum; | |
1283 | STRLEN lsvlen; | |
1284 | I32 len; | |
1285 | I32 offset; | |
1286 | I32 size; | |
1287 | ||
1288 | if (!lsv) { | |
1289 | SvOK_off(sv); | |
1290 | return 0; | |
1291 | } | |
1292 | s = (unsigned char *) SvPV(lsv, lsvlen); | |
1293 | offset = LvTARGOFF(sv); | |
1294 | size = LvTARGLEN(sv); | |
1295 | len = (offset + size + 7) / 8; | |
1296 | ||
1297 | /* Copied from pp_vec() */ | |
1298 | ||
1299 | if (len > lsvlen) { | |
1300 | if (size <= 8) | |
1301 | retnum = 0; | |
1302 | else { | |
1303 | offset >>= 3; | |
1304 | if (size == 16) { | |
1305 | if (offset >= lsvlen) | |
1306 | retnum = 0; | |
1307 | else | |
1308 | retnum = (unsigned long) s[offset] << 8; | |
1309 | } | |
1310 | else if (size == 32) { | |
1311 | if (offset >= lsvlen) | |
1312 | retnum = 0; | |
1313 | else if (offset + 1 >= lsvlen) | |
1314 | retnum = (unsigned long) s[offset] << 24; | |
1315 | else if (offset + 2 >= lsvlen) | |
1316 | retnum = ((unsigned long) s[offset] << 24) + | |
1317 | ((unsigned long) s[offset + 1] << 16); | |
1318 | else | |
1319 | retnum = ((unsigned long) s[offset] << 24) + | |
1320 | ((unsigned long) s[offset + 1] << 16) + | |
1321 | (s[offset + 2] << 8); | |
1322 | } | |
1323 | } | |
1324 | } | |
1325 | else if (size < 8) | |
1326 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
1327 | else { | |
1328 | offset >>= 3; | |
1329 | if (size == 8) | |
1330 | retnum = s[offset]; | |
1331 | else if (size == 16) | |
1332 | retnum = ((unsigned long) s[offset] << 8) + s[offset+1]; | |
1333 | else if (size == 32) | |
1334 | retnum = ((unsigned long) s[offset] << 24) + | |
1335 | ((unsigned long) s[offset + 1] << 16) + | |
1336 | (s[offset + 2] << 8) + s[offset+3]; | |
1337 | } | |
1338 | ||
1339 | sv_setuv(sv, (UV)retnum); | |
1340 | return 0; | |
1341 | } | |
1342 | ||
1343 | int | |
8ac85365 | 1344 | magic_setvec(SV *sv, MAGIC *mg) |
79072805 LW |
1345 | { |
1346 | do_vecset(sv); /* XXX slurp this routine */ | |
1347 | return 0; | |
1348 | } | |
1349 | ||
1350 | int | |
8ac85365 | 1351 | magic_getdefelem(SV *sv, MAGIC *mg) |
5f05dabc | 1352 | { |
71be2cbc | 1353 | SV *targ = Nullsv; |
5f05dabc | 1354 | if (LvTARGLEN(sv)) { |
68dc0745 | 1355 | if (mg->mg_obj) { |
74e13ce4 GS |
1356 | SV *ahv = LvTARG(sv); |
1357 | if (SvTYPE(ahv) == SVt_PVHV) { | |
1358 | HE *he = hv_fetch_ent((HV*)ahv, mg->mg_obj, FALSE, 0); | |
1359 | if (he) | |
1360 | targ = HeVAL(he); | |
1361 | } | |
1362 | else { | |
1363 | SV **svp = avhv_fetch_ent((AV*)ahv, mg->mg_obj, FALSE, 0); | |
1364 | if (svp) | |
1365 | targ = *svp; | |
1366 | } | |
68dc0745 | 1367 | } |
1368 | else { | |
3c78fafa | 1369 | AV* av = (AV*)LvTARG(sv); |
68dc0745 | 1370 | if ((I32)LvTARGOFF(sv) <= AvFILL(av)) |
1371 | targ = AvARRAY(av)[LvTARGOFF(sv)]; | |
1372 | } | |
3280af22 | 1373 | if (targ && targ != &PL_sv_undef) { |
e858de61 | 1374 | dTHR; /* just for SvREFCNT_dec */ |
68dc0745 | 1375 | /* somebody else defined it for us */ |
1376 | SvREFCNT_dec(LvTARG(sv)); | |
1377 | LvTARG(sv) = SvREFCNT_inc(targ); | |
1378 | LvTARGLEN(sv) = 0; | |
1379 | SvREFCNT_dec(mg->mg_obj); | |
1380 | mg->mg_obj = Nullsv; | |
1381 | mg->mg_flags &= ~MGf_REFCOUNTED; | |
1382 | } | |
5f05dabc | 1383 | } |
71be2cbc | 1384 | else |
1385 | targ = LvTARG(sv); | |
3280af22 | 1386 | sv_setsv(sv, targ ? targ : &PL_sv_undef); |
71be2cbc | 1387 | return 0; |
1388 | } | |
1389 | ||
1390 | int | |
8ac85365 | 1391 | magic_setdefelem(SV *sv, MAGIC *mg) |
71be2cbc | 1392 | { |
1393 | if (LvTARGLEN(sv)) | |
68dc0745 | 1394 | vivify_defelem(sv); |
1395 | if (LvTARG(sv)) { | |
5f05dabc | 1396 | sv_setsv(LvTARG(sv), sv); |
68dc0745 | 1397 | SvSETMAGIC(LvTARG(sv)); |
1398 | } | |
5f05dabc | 1399 | return 0; |
1400 | } | |
1401 | ||
71be2cbc | 1402 | void |
8ac85365 | 1403 | vivify_defelem(SV *sv) |
71be2cbc | 1404 | { |
e858de61 | 1405 | dTHR; /* just for SvREFCNT_inc and SvREFCNT_dec*/ |
74e13ce4 GS |
1406 | MAGIC *mg; |
1407 | SV *value = Nullsv; | |
71be2cbc | 1408 | |
68dc0745 | 1409 | if (!LvTARGLEN(sv) || !(mg = mg_find(sv, 'y'))) |
71be2cbc | 1410 | return; |
68dc0745 | 1411 | if (mg->mg_obj) { |
74e13ce4 GS |
1412 | SV *ahv = LvTARG(sv); |
1413 | if (SvTYPE(ahv) == SVt_PVHV) { | |
af7f9c15 | 1414 | HE *he = hv_fetch_ent((HV*)ahv, mg->mg_obj, TRUE, 0); |
74e13ce4 GS |
1415 | if (he) |
1416 | value = HeVAL(he); | |
1417 | } | |
1418 | else { | |
af7f9c15 | 1419 | SV **svp = avhv_fetch_ent((AV*)ahv, mg->mg_obj, TRUE, 0); |
74e13ce4 GS |
1420 | if (svp) |
1421 | value = *svp; | |
1422 | } | |
36596149 GB |
1423 | if (!value || value == &PL_sv_undef) { |
1424 | STRLEN n_a; | |
1425 | croak(no_helem, SvPV(mg->mg_obj, n_a)); | |
1426 | } | |
71be2cbc | 1427 | } |
68dc0745 | 1428 | else { |
1429 | AV* av = (AV*)LvTARG(sv); | |
5aabfad6 | 1430 | if ((I32)LvTARGLEN(sv) < 0 && (I32)LvTARGOFF(sv) > AvFILL(av)) |
68dc0745 | 1431 | LvTARG(sv) = Nullsv; /* array can't be extended */ |
1432 | else { | |
1433 | SV** svp = av_fetch(av, LvTARGOFF(sv), TRUE); | |
3280af22 | 1434 | if (!svp || (value = *svp) == &PL_sv_undef) |
68dc0745 | 1435 | croak(no_aelem, (I32)LvTARGOFF(sv)); |
1436 | } | |
1437 | } | |
3e3baf6d | 1438 | (void)SvREFCNT_inc(value); |
68dc0745 | 1439 | SvREFCNT_dec(LvTARG(sv)); |
1440 | LvTARG(sv) = value; | |
71be2cbc | 1441 | LvTARGLEN(sv) = 0; |
68dc0745 | 1442 | SvREFCNT_dec(mg->mg_obj); |
1443 | mg->mg_obj = Nullsv; | |
1444 | mg->mg_flags &= ~MGf_REFCOUNTED; | |
5f05dabc | 1445 | } |
1446 | ||
1447 | int | |
8ac85365 | 1448 | magic_setmglob(SV *sv, MAGIC *mg) |
93a17b20 | 1449 | { |
565764a8 | 1450 | mg->mg_len = -1; |
c6496cc7 | 1451 | SvSCREAM_off(sv); |
93a17b20 LW |
1452 | return 0; |
1453 | } | |
1454 | ||
1455 | int | |
8ac85365 | 1456 | magic_setbm(SV *sv, MAGIC *mg) |
79072805 | 1457 | { |
463ee0b2 | 1458 | sv_unmagic(sv, 'B'); |
79072805 LW |
1459 | SvVALID_off(sv); |
1460 | return 0; | |
1461 | } | |
1462 | ||
1463 | int | |
8ac85365 | 1464 | magic_setfm(SV *sv, MAGIC *mg) |
55497cff | 1465 | { |
1466 | sv_unmagic(sv, 'f'); | |
1467 | SvCOMPILED_off(sv); | |
1468 | return 0; | |
1469 | } | |
1470 | ||
1471 | int | |
8ac85365 | 1472 | magic_setuvar(SV *sv, MAGIC *mg) |
79072805 LW |
1473 | { |
1474 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; | |
1475 | ||
1476 | if (uf && uf->uf_set) | |
1477 | (*uf->uf_set)(uf->uf_index, sv); | |
1478 | return 0; | |
1479 | } | |
1480 | ||
c277df42 IZ |
1481 | int |
1482 | magic_freeregexp(SV *sv, MAGIC *mg) | |
1483 | { | |
1484 | regexp *re = (regexp *)mg->mg_obj; | |
1485 | ReREFCNT_dec(re); | |
1486 | return 0; | |
1487 | } | |
1488 | ||
7a4c00b4 | 1489 | #ifdef USE_LOCALE_COLLATE |
79072805 | 1490 | int |
8ac85365 | 1491 | magic_setcollxfrm(SV *sv, MAGIC *mg) |
bbce6d69 | 1492 | { |
1493 | /* | |
1494 | * René Descartes said "I think not." | |
1495 | * and vanished with a faint plop. | |
1496 | */ | |
7a4c00b4 | 1497 | if (mg->mg_ptr) { |
1498 | Safefree(mg->mg_ptr); | |
1499 | mg->mg_ptr = NULL; | |
565764a8 | 1500 | mg->mg_len = -1; |
7a4c00b4 | 1501 | } |
bbce6d69 | 1502 | return 0; |
1503 | } | |
7a4c00b4 | 1504 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 1505 | |
1506 | int | |
8ac85365 | 1507 | magic_set(SV *sv, MAGIC *mg) |
79072805 | 1508 | { |
11343788 | 1509 | dTHR; |
79072805 LW |
1510 | register char *s; |
1511 | I32 i; | |
8990e307 | 1512 | STRLEN len; |
79072805 | 1513 | switch (*mg->mg_ptr) { |
748a9306 | 1514 | case '\001': /* ^A */ |
3280af22 | 1515 | sv_setsv(PL_bodytarget, sv); |
748a9306 | 1516 | break; |
79072805 | 1517 | case '\004': /* ^D */ |
3280af22 | 1518 | PL_debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | 0x80000000; |
79072805 LW |
1519 | DEBUG_x(dump_all()); |
1520 | break; | |
28f23441 | 1521 | case '\005': /* ^E */ |
1522 | #ifdef VMS | |
1523 | set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); | |
1524 | #else | |
22fae026 TM |
1525 | #ifdef WIN32 |
1526 | SetLastError( SvIV(sv) ); | |
1527 | #else | |
f86702cc | 1528 | /* will anyone ever use this? */ |
1529 | SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4); | |
28f23441 | 1530 | #endif |
22fae026 | 1531 | #endif |
28f23441 | 1532 | break; |
79072805 | 1533 | case '\006': /* ^F */ |
3280af22 | 1534 | PL_maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 | 1535 | break; |
a0d0e21e | 1536 | case '\010': /* ^H */ |
3280af22 | 1537 | PL_hints = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
a0d0e21e | 1538 | break; |
9d116dd7 | 1539 | case '\011': /* ^I */ /* NOT \t in EBCDIC */ |
3280af22 NIS |
1540 | if (PL_inplace) |
1541 | Safefree(PL_inplace); | |
79072805 | 1542 | if (SvOK(sv)) |
36596149 | 1543 | PL_inplace = savepv(SvPV(sv,len)); |
79072805 | 1544 | else |
3280af22 | 1545 | PL_inplace = Nullch; |
79072805 | 1546 | break; |
28f23441 | 1547 | case '\017': /* ^O */ |
3280af22 NIS |
1548 | if (PL_osname) |
1549 | Safefree(PL_osname); | |
28f23441 | 1550 | if (SvOK(sv)) |
36596149 | 1551 | PL_osname = savepv(SvPV(sv,len)); |
28f23441 | 1552 | else |
3280af22 | 1553 | PL_osname = Nullch; |
28f23441 | 1554 | break; |
79072805 | 1555 | case '\020': /* ^P */ |
3280af22 | 1556 | PL_perldb = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
1557 | break; |
1558 | case '\024': /* ^T */ | |
88e89b8a | 1559 | #ifdef BIG_TIME |
6b88bc9c | 1560 | PL_basetime = (Time_t)(SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv)); |
88e89b8a | 1561 | #else |
3280af22 | 1562 | PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
88e89b8a | 1563 | #endif |
79072805 LW |
1564 | break; |
1565 | case '\027': /* ^W */ | |
3280af22 | 1566 | PL_dowarn = (bool)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
1567 | break; |
1568 | case '.': | |
3280af22 NIS |
1569 | if (PL_localizing) { |
1570 | if (PL_localizing == 1) | |
1571 | save_sptr((SV**)&PL_last_in_gv); | |
748a9306 | 1572 | } |
3280af22 NIS |
1573 | else if (SvOK(sv) && GvIO(PL_last_in_gv)) |
1574 | IoLINES(GvIOp(PL_last_in_gv)) = (long)SvIV(sv); | |
79072805 LW |
1575 | break; |
1576 | case '^': | |
3280af22 | 1577 | Safefree(IoTOP_NAME(GvIOp(PL_defoutgv))); |
36596149 | 1578 | IoTOP_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,len)); |
3280af22 | 1579 | IoTOP_GV(GvIOp(PL_defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 LW |
1580 | break; |
1581 | case '~': | |
3280af22 | 1582 | Safefree(IoFMT_NAME(GvIOp(PL_defoutgv))); |
36596149 | 1583 | IoFMT_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,len)); |
3280af22 | 1584 | IoFMT_GV(GvIOp(PL_defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 LW |
1585 | break; |
1586 | case '=': | |
3280af22 | 1587 | IoPAGE_LEN(GvIOp(PL_defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
1588 | break; |
1589 | case '-': | |
3280af22 NIS |
1590 | IoLINES_LEFT(GvIOp(PL_defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
1591 | if (IoLINES_LEFT(GvIOp(PL_defoutgv)) < 0L) | |
1592 | IoLINES_LEFT(GvIOp(PL_defoutgv)) = 0L; | |
79072805 LW |
1593 | break; |
1594 | case '%': | |
3280af22 | 1595 | IoPAGE(GvIOp(PL_defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
1596 | break; |
1597 | case '|': | |
4b65379b | 1598 | { |
3280af22 | 1599 | IO *io = GvIOp(PL_defoutgv); |
4b65379b CS |
1600 | if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) == 0) |
1601 | IoFLAGS(io) &= ~IOf_FLUSH; | |
1602 | else { | |
1603 | if (!(IoFLAGS(io) & IOf_FLUSH)) { | |
1604 | PerlIO *ofp = IoOFP(io); | |
1605 | if (ofp) | |
1606 | (void)PerlIO_flush(ofp); | |
1607 | IoFLAGS(io) |= IOf_FLUSH; | |
1608 | } | |
1609 | } | |
79072805 LW |
1610 | } |
1611 | break; | |
1612 | case '*': | |
463ee0b2 | 1613 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
3280af22 | 1614 | PL_multiline = (i != 0); |
79072805 LW |
1615 | break; |
1616 | case '/': | |
3280af22 NIS |
1617 | SvREFCNT_dec(PL_nrs); |
1618 | PL_nrs = newSVsv(sv); | |
1619 | SvREFCNT_dec(PL_rs); | |
1620 | PL_rs = SvREFCNT_inc(PL_nrs); | |
79072805 LW |
1621 | break; |
1622 | case '\\': | |
3280af22 NIS |
1623 | if (PL_ors) |
1624 | Safefree(PL_ors); | |
e3c19b7b | 1625 | if (SvOK(sv) || SvGMAGICAL(sv)) |
3280af22 | 1626 | PL_ors = savepv(SvPV(sv,PL_orslen)); |
e3c19b7b | 1627 | else { |
3280af22 NIS |
1628 | PL_ors = Nullch; |
1629 | PL_orslen = 0; | |
e3c19b7b | 1630 | } |
79072805 LW |
1631 | break; |
1632 | case ',': | |
3280af22 NIS |
1633 | if (PL_ofs) |
1634 | Safefree(PL_ofs); | |
1635 | PL_ofs = savepv(SvPV(sv, PL_ofslen)); | |
79072805 LW |
1636 | break; |
1637 | case '#': | |
3280af22 NIS |
1638 | if (PL_ofmt) |
1639 | Safefree(PL_ofmt); | |
36596149 | 1640 | PL_ofmt = savepv(SvPV(sv,len)); |
79072805 LW |
1641 | break; |
1642 | case '[': | |
3280af22 | 1643 | PL_compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
1644 | break; |
1645 | case '?': | |
ff0cee69 | 1646 | #ifdef COMPLEX_STATUS |
6b88bc9c GS |
1647 | if (PL_localizing == 2) { |
1648 | PL_statusvalue = LvTARGOFF(sv); | |
1649 | PL_statusvalue_vms = LvTARGLEN(sv); | |
ff0cee69 | 1650 | } |
1651 | else | |
1652 | #endif | |
1653 | #ifdef VMSISH_STATUS | |
1654 | if (VMSISH_STATUS) | |
1655 | STATUS_NATIVE_SET((U32)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))); | |
1656 | else | |
1657 | #endif | |
1658 | STATUS_POSIX_SET(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); | |
79072805 LW |
1659 | break; |
1660 | case '!': | |
78987ded | 1661 | SETERRNO(SvIOK(sv) ? SvIVX(sv) : SvOK(sv) ? sv_2iv(sv) : 0, |
f86702cc | 1662 | (SvIV(sv) == EVMSERR) ? 4 : vaxc$errno); |
79072805 LW |
1663 | break; |
1664 | case '<': | |
3280af22 NIS |
1665 | PL_uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1666 | if (PL_delaymagic) { | |
1667 | PL_delaymagic |= DM_RUID; | |
79072805 LW |
1668 | break; /* don't do magic till later */ |
1669 | } | |
1670 | #ifdef HAS_SETRUID | |
b28d0864 | 1671 | (void)setruid((Uid_t)PL_uid); |
79072805 LW |
1672 | #else |
1673 | #ifdef HAS_SETREUID | |
3280af22 | 1674 | (void)setreuid((Uid_t)PL_uid, (Uid_t)-1); |
748a9306 | 1675 | #else |
85e6fe83 | 1676 | #ifdef HAS_SETRESUID |
b28d0864 | 1677 | (void)setresuid((Uid_t)PL_uid, (Uid_t)-1, (Uid_t)-1); |
79072805 | 1678 | #else |
b28d0864 NIS |
1679 | if (PL_uid == PL_euid) /* special case $< = $> */ |
1680 | (void)PerlProc_setuid(PL_uid); | |
a0d0e21e | 1681 | else { |
b28d0864 | 1682 | PL_uid = (I32)PerlProc_getuid(); |
463ee0b2 | 1683 | croak("setruid() not implemented"); |
a0d0e21e | 1684 | } |
79072805 LW |
1685 | #endif |
1686 | #endif | |
85e6fe83 | 1687 | #endif |
3280af22 NIS |
1688 | PL_uid = (I32)PerlProc_getuid(); |
1689 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
79072805 LW |
1690 | break; |
1691 | case '>': | |
3280af22 NIS |
1692 | PL_euid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1693 | if (PL_delaymagic) { | |
1694 | PL_delaymagic |= DM_EUID; | |
79072805 LW |
1695 | break; /* don't do magic till later */ |
1696 | } | |
1697 | #ifdef HAS_SETEUID | |
3280af22 | 1698 | (void)seteuid((Uid_t)PL_euid); |
79072805 LW |
1699 | #else |
1700 | #ifdef HAS_SETREUID | |
b28d0864 | 1701 | (void)setreuid((Uid_t)-1, (Uid_t)PL_euid); |
85e6fe83 LW |
1702 | #else |
1703 | #ifdef HAS_SETRESUID | |
6b88bc9c | 1704 | (void)setresuid((Uid_t)-1, (Uid_t)PL_euid, (Uid_t)-1); |
79072805 | 1705 | #else |
b28d0864 NIS |
1706 | if (PL_euid == PL_uid) /* special case $> = $< */ |
1707 | PerlProc_setuid(PL_euid); | |
a0d0e21e | 1708 | else { |
b28d0864 | 1709 | PL_euid = (I32)PerlProc_geteuid(); |
463ee0b2 | 1710 | croak("seteuid() not implemented"); |
a0d0e21e | 1711 | } |
79072805 LW |
1712 | #endif |
1713 | #endif | |
85e6fe83 | 1714 | #endif |
3280af22 NIS |
1715 | PL_euid = (I32)PerlProc_geteuid(); |
1716 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
79072805 LW |
1717 | break; |
1718 | case '(': | |
3280af22 NIS |
1719 | PL_gid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1720 | if (PL_delaymagic) { | |
1721 | PL_delaymagic |= DM_RGID; | |
79072805 LW |
1722 | break; /* don't do magic till later */ |
1723 | } | |
1724 | #ifdef HAS_SETRGID | |
b28d0864 | 1725 | (void)setrgid((Gid_t)PL_gid); |
79072805 LW |
1726 | #else |
1727 | #ifdef HAS_SETREGID | |
3280af22 | 1728 | (void)setregid((Gid_t)PL_gid, (Gid_t)-1); |
85e6fe83 LW |
1729 | #else |
1730 | #ifdef HAS_SETRESGID | |
b28d0864 | 1731 | (void)setresgid((Gid_t)PL_gid, (Gid_t)-1, (Gid_t) 1); |
79072805 | 1732 | #else |
b28d0864 NIS |
1733 | if (PL_gid == PL_egid) /* special case $( = $) */ |
1734 | (void)PerlProc_setgid(PL_gid); | |
748a9306 | 1735 | else { |
b28d0864 | 1736 | PL_gid = (I32)PerlProc_getgid(); |
463ee0b2 | 1737 | croak("setrgid() not implemented"); |
748a9306 | 1738 | } |
79072805 LW |
1739 | #endif |
1740 | #endif | |
85e6fe83 | 1741 | #endif |
3280af22 NIS |
1742 | PL_gid = (I32)PerlProc_getgid(); |
1743 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
79072805 LW |
1744 | break; |
1745 | case ')': | |
5cd24f17 | 1746 | #ifdef HAS_SETGROUPS |
1747 | { | |
36596149 | 1748 | char *p = SvPV(sv, len); |
5cd24f17 | 1749 | Groups_t gary[NGROUPS]; |
1750 | ||
1751 | SET_NUMERIC_STANDARD(); | |
1752 | while (isSPACE(*p)) | |
1753 | ++p; | |
3280af22 | 1754 | PL_egid = I_V(atof(p)); |
5cd24f17 | 1755 | for (i = 0; i < NGROUPS; ++i) { |
1756 | while (*p && !isSPACE(*p)) | |
1757 | ++p; | |
1758 | while (isSPACE(*p)) | |
1759 | ++p; | |
1760 | if (!*p) | |
1761 | break; | |
1762 | gary[i] = I_V(atof(p)); | |
1763 | } | |
8cc95fdb | 1764 | if (i) |
1765 | (void)setgroups(i, gary); | |
5cd24f17 | 1766 | } |
1767 | #else /* HAS_SETGROUPS */ | |
b28d0864 | 1768 | PL_egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
5cd24f17 | 1769 | #endif /* HAS_SETGROUPS */ |
3280af22 NIS |
1770 | if (PL_delaymagic) { |
1771 | PL_delaymagic |= DM_EGID; | |
79072805 LW |
1772 | break; /* don't do magic till later */ |
1773 | } | |
1774 | #ifdef HAS_SETEGID | |
3280af22 | 1775 | (void)setegid((Gid_t)PL_egid); |
79072805 LW |
1776 | #else |
1777 | #ifdef HAS_SETREGID | |
b28d0864 | 1778 | (void)setregid((Gid_t)-1, (Gid_t)PL_egid); |
85e6fe83 LW |
1779 | #else |
1780 | #ifdef HAS_SETRESGID | |
b28d0864 | 1781 | (void)setresgid((Gid_t)-1, (Gid_t)PL_egid, (Gid_t)-1); |
79072805 | 1782 | #else |
b28d0864 NIS |
1783 | if (PL_egid == PL_gid) /* special case $) = $( */ |
1784 | (void)PerlProc_setgid(PL_egid); | |
748a9306 | 1785 | else { |
b28d0864 | 1786 | PL_egid = (I32)PerlProc_getegid(); |
463ee0b2 | 1787 | croak("setegid() not implemented"); |
748a9306 | 1788 | } |
79072805 LW |
1789 | #endif |
1790 | #endif | |
85e6fe83 | 1791 | #endif |
3280af22 NIS |
1792 | PL_egid = (I32)PerlProc_getegid(); |
1793 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
79072805 LW |
1794 | break; |
1795 | case ':': | |
36596149 | 1796 | PL_chopset = SvPV_force(sv,len); |
79072805 LW |
1797 | break; |
1798 | case '0': | |
3280af22 NIS |
1799 | if (!PL_origalen) { |
1800 | s = PL_origargv[0]; | |
79072805 LW |
1801 | s += strlen(s); |
1802 | /* See if all the arguments are contiguous in memory */ | |
3280af22 NIS |
1803 | for (i = 1; i < PL_origargc; i++) { |
1804 | if (PL_origargv[i] == s + 1 | |
fb73857a | 1805 | #ifdef OS2 |
6b88bc9c | 1806 | || PL_origargv[i] == s + 2 |
fb73857a | 1807 | #endif |
1808 | ) | |
8f749bf5 GB |
1809 | { |
1810 | ++s; | |
1811 | s += strlen(s); /* this one is ok too */ | |
1812 | } | |
fb73857a | 1813 | else |
1814 | break; | |
79072805 | 1815 | } |
bbce6d69 | 1816 | /* can grab env area too? */ |
3280af22 | 1817 | if (PL_origenviron && (PL_origenviron[0] == s + 1 |
fb73857a | 1818 | #ifdef OS2 |
6b88bc9c | 1819 | || (PL_origenviron[0] == s + 9 && (s += 8)) |
fb73857a | 1820 | #endif |
1821 | )) { | |
66b1d557 | 1822 | my_setenv("NoNe SuCh", Nullch); |
79072805 | 1823 | /* force copy of environment */ |
3280af22 | 1824 | for (i = 0; PL_origenviron[i]; i++) |
8f749bf5 GB |
1825 | if (PL_origenviron[i] == s + 1) { |
1826 | ++s; | |
1827 | s += strlen(s); | |
1828 | } | |
fb73857a | 1829 | else |
1830 | break; | |
79072805 | 1831 | } |
3280af22 | 1832 | PL_origalen = s - PL_origargv[0]; |
79072805 | 1833 | } |
a0d0e21e | 1834 | s = SvPV_force(sv,len); |
8990e307 | 1835 | i = len; |
3280af22 NIS |
1836 | if (i >= PL_origalen) { |
1837 | i = PL_origalen; | |
fb73857a | 1838 | /* don't allow system to limit $0 seen by script */ |
1839 | /* SvCUR_set(sv, i); *SvEND(sv) = '\0'; */ | |
3280af22 NIS |
1840 | Copy(s, PL_origargv[0], i, char); |
1841 | s = PL_origargv[0]+i; | |
fb73857a | 1842 | *s = '\0'; |
79072805 LW |
1843 | } |
1844 | else { | |
3280af22 NIS |
1845 | Copy(s, PL_origargv[0], i, char); |
1846 | s = PL_origargv[0]+i; | |
79072805 | 1847 | *s++ = '\0'; |
3280af22 | 1848 | while (++i < PL_origalen) |
8990e307 | 1849 | *s++ = ' '; |
3280af22 NIS |
1850 | s = PL_origargv[0]+i; |
1851 | for (i = 1; i < PL_origargc; i++) | |
1852 | PL_origargv[i] = Nullch; | |
79072805 LW |
1853 | } |
1854 | break; | |
a863c7d1 MB |
1855 | #ifdef USE_THREADS |
1856 | case '@': | |
38a03e6e | 1857 | sv_setsv(thr->errsv, sv); |
a863c7d1 MB |
1858 | break; |
1859 | #endif /* USE_THREADS */ | |
79072805 LW |
1860 | } |
1861 | return 0; | |
1862 | } | |
1863 | ||
f93b4edd MB |
1864 | #ifdef USE_THREADS |
1865 | int | |
8ac85365 | 1866 | magic_mutexfree(SV *sv, MAGIC *mg) |
f93b4edd MB |
1867 | { |
1868 | dTHR; | |
8b73bbec | 1869 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: magic_mutexfree 0x%lx\n", |
bc1f4c86 | 1870 | (unsigned long)thr, (unsigned long)sv);) |
f93b4edd MB |
1871 | if (MgOWNER(mg)) |
1872 | croak("panic: magic_mutexfree"); | |
1873 | MUTEX_DESTROY(MgMUTEXP(mg)); | |
1874 | COND_DESTROY(MgCONDP(mg)); | |
1875 | return 0; | |
1876 | } | |
1877 | #endif /* USE_THREADS */ | |
1878 | ||
79072805 | 1879 | I32 |
8ac85365 | 1880 | whichsig(char *sig) |
79072805 LW |
1881 | { |
1882 | register char **sigv; | |
1883 | ||
1884 | for (sigv = sig_name+1; *sigv; sigv++) | |
1885 | if (strEQ(sig,*sigv)) | |
8e07c86e | 1886 | return sig_num[sigv - sig_name]; |
79072805 LW |
1887 | #ifdef SIGCLD |
1888 | if (strEQ(sig,"CHLD")) | |
1889 | return SIGCLD; | |
1890 | #endif | |
1891 | #ifdef SIGCHLD | |
1892 | if (strEQ(sig,"CLD")) | |
1893 | return SIGCHLD; | |
1894 | #endif | |
1895 | return 0; | |
1896 | } | |
1897 | ||
84902520 TB |
1898 | static SV* sig_sv; |
1899 | ||
76e3520e | 1900 | STATIC void |
8ac85365 | 1901 | unwind_handler_stack(void *p) |
84902520 | 1902 | { |
ff26ac79 | 1903 | dTHR; |
84902520 TB |
1904 | U32 flags = *(U32*)p; |
1905 | ||
1906 | if (flags & 1) | |
3280af22 | 1907 | PL_savestack_ix -= 5; /* Unprotect save in progress. */ |
84902520 TB |
1908 | /* cxstack_ix-- Not needed, die already unwound it. */ |
1909 | if (flags & 64) | |
1910 | SvREFCNT_dec(sig_sv); | |
1911 | } | |
1912 | ||
ecfc5424 | 1913 | Signal_t |
8ac85365 | 1914 | sighandler(int sig) |
79072805 LW |
1915 | { |
1916 | dSP; | |
00d579c5 | 1917 | GV *gv = Nullgv; |
a0d0e21e | 1918 | HV *st; |
3280af22 | 1919 | SV *sv, *tSv = PL_Sv; |
00d579c5 | 1920 | CV *cv = Nullcv; |
533c011a | 1921 | OP *myop = PL_op; |
84902520 | 1922 | U32 flags = 0; |
3280af22 NIS |
1923 | I32 o_save_i = PL_savestack_ix, type; |
1924 | XPV *tXpv = PL_Xpv; | |
84902520 | 1925 | |
3280af22 | 1926 | if (PL_savestack_ix + 15 <= PL_savestack_max) |
84902520 | 1927 | flags |= 1; |
3280af22 | 1928 | if (PL_markstack_ptr < PL_markstack_max - 2) |
84902520 | 1929 | flags |= 4; |
3280af22 | 1930 | if (PL_retstack_ix < PL_retstack_max - 2) |
84902520 | 1931 | flags |= 8; |
3280af22 | 1932 | if (PL_scopestack_ix < PL_scopestack_max - 3) |
84902520 TB |
1933 | flags |= 16; |
1934 | ||
ff0cee69 | 1935 | if (!psig_ptr[sig]) |
1936 | die("Signal SIG%s received, but no signal handler set.\n", | |
1937 | sig_name[sig]); | |
1938 | ||
84902520 TB |
1939 | /* Max number of items pushed there is 3*n or 4. We cannot fix |
1940 | infinity, so we fix 4 (in fact 5): */ | |
1941 | if (flags & 1) { | |
3280af22 NIS |
1942 | PL_savestack_ix += 5; /* Protect save in progress. */ |
1943 | o_save_i = PL_savestack_ix; | |
565764a8 | 1944 | SAVEDESTRUCTOR(unwind_handler_stack, (void*)&flags); |
84902520 TB |
1945 | } |
1946 | if (flags & 4) | |
3280af22 | 1947 | PL_markstack_ptr++; /* Protect mark. */ |
84902520 | 1948 | if (flags & 8) { |
3280af22 NIS |
1949 | PL_retstack_ix++; |
1950 | PL_retstack[PL_retstack_ix] = NULL; | |
84902520 TB |
1951 | } |
1952 | if (flags & 16) | |
3280af22 | 1953 | PL_scopestack_ix += 1; |
84902520 TB |
1954 | /* sv_2cv is too complicated, try a simpler variant first: */ |
1955 | if (!SvROK(psig_ptr[sig]) || !(cv = (CV*)SvRV(psig_ptr[sig])) | |
1956 | || SvTYPE(cv) != SVt_PVCV) | |
1957 | cv = sv_2cv(psig_ptr[sig],&st,&gv,TRUE); | |
1958 | ||
a0d0e21e | 1959 | if (!cv || !CvROOT(cv)) { |
3280af22 | 1960 | if (PL_dowarn) |
79072805 | 1961 | warn("SIG%s handler \"%s\" not defined.\n", |
00d579c5 GS |
1962 | sig_name[sig], (gv ? GvENAME(gv) |
1963 | : ((cv && CvGV(cv)) | |
1964 | ? GvENAME(CvGV(cv)) | |
1965 | : "__ANON__"))); | |
1966 | goto cleanup; | |
79072805 LW |
1967 | } |
1968 | ||
84902520 | 1969 | if(psig_name[sig]) { |
88e89b8a | 1970 | sv = SvREFCNT_inc(psig_name[sig]); |
84902520 TB |
1971 | flags |= 64; |
1972 | sig_sv = sv; | |
1973 | } else { | |
ff0cee69 | 1974 | sv = sv_newmortal(); |
1975 | sv_setpv(sv,sig_name[sig]); | |
88e89b8a | 1976 | } |
e336de0d | 1977 | |
e788e7d3 | 1978 | PUSHSTACKi(PERLSI_SIGNAL); |
924508f0 | 1979 | PUSHMARK(SP); |
79072805 | 1980 | PUSHs(sv); |
79072805 | 1981 | PUTBACK; |
a0d0e21e LW |
1982 | |
1983 | perl_call_sv((SV*)cv, G_DISCARD); | |
79072805 | 1984 | |
d3acc0f7 | 1985 | POPSTACK; |
00d579c5 | 1986 | cleanup: |
84902520 | 1987 | if (flags & 1) |
3280af22 | 1988 | PL_savestack_ix -= 8; /* Unprotect save in progress. */ |
84902520 | 1989 | if (flags & 4) |
3280af22 | 1990 | PL_markstack_ptr--; |
84902520 | 1991 | if (flags & 8) |
3280af22 | 1992 | PL_retstack_ix--; |
84902520 | 1993 | if (flags & 16) |
3280af22 | 1994 | PL_scopestack_ix -= 1; |
84902520 TB |
1995 | if (flags & 64) |
1996 | SvREFCNT_dec(sv); | |
533c011a | 1997 | PL_op = myop; /* Apparently not needed... */ |
84902520 | 1998 | |
3280af22 NIS |
1999 | PL_Sv = tSv; /* Restore global temporaries. */ |
2000 | PL_Xpv = tXpv; | |
79072805 LW |
2001 | return; |
2002 | } | |
4e35701f NIS |
2003 | |
2004 |