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