Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* mg.c |
79072805 | 2 | * |
bc89e66f | 3 | * Copyright (c) 1991-2001, 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" | |
864dbfa3 | 16 | #define PERL_IN_MG_C |
79072805 LW |
17 | #include "perl.h" |
18 | ||
5cd24f17 | 19 | #if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS) |
188ea221 CS |
20 | # ifndef NGROUPS |
21 | # define NGROUPS 32 | |
22 | # endif | |
b7953727 JH |
23 | # ifdef I_GRP |
24 | # include <grp.h> | |
25 | # endif | |
188ea221 CS |
26 | #endif |
27 | ||
51371543 GS |
28 | static void restore_magic(pTHXo_ void *p); |
29 | static void unwind_handler_stack(pTHXo_ void *p); | |
30 | ||
c07a80fd | 31 | /* |
32 | * Use the "DESTRUCTOR" scope cleanup to reinstate magic. | |
33 | */ | |
34 | ||
35 | struct magic_state { | |
36 | SV* mgs_sv; | |
37 | U32 mgs_flags; | |
455ece5e | 38 | I32 mgs_ss_ix; |
c07a80fd | 39 | }; |
455ece5e | 40 | /* MGS is typedef'ed to struct magic_state in perl.h */ |
76e3520e GS |
41 | |
42 | STATIC void | |
425d70b4 | 43 | S_save_magic(pTHX_ IV mgs_ix, SV *sv) |
c07a80fd | 44 | { |
455ece5e | 45 | MGS* mgs; |
c07a80fd | 46 | assert(SvMAGICAL(sv)); |
47 | ||
a6f8e609 | 48 | SAVEDESTRUCTOR_X(restore_magic, INT2PTR(void*,mgs_ix)); |
455ece5e AD |
49 | |
50 | mgs = SSPTR(mgs_ix, MGS*); | |
c07a80fd | 51 | mgs->mgs_sv = sv; |
52 | mgs->mgs_flags = SvMAGICAL(sv) | SvREADONLY(sv); | |
455ece5e | 53 | mgs->mgs_ss_ix = PL_savestack_ix; /* points after the saved destructor */ |
c07a80fd | 54 | |
55 | SvMAGICAL_off(sv); | |
56 | SvREADONLY_off(sv); | |
06759ea0 | 57 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
c07a80fd | 58 | } |
59 | ||
954c1994 GS |
60 | /* |
61 | =for apidoc mg_magical | |
62 | ||
63 | Turns on the magical status of an SV. See C<sv_magic>. | |
64 | ||
65 | =cut | |
66 | */ | |
67 | ||
8990e307 | 68 | void |
864dbfa3 | 69 | Perl_mg_magical(pTHX_ SV *sv) |
8990e307 LW |
70 | { |
71 | MAGIC* mg; | |
72 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { | |
73 | MGVTBL* vtbl = mg->mg_virtual; | |
74 | if (vtbl) { | |
2b260de0 | 75 | if (vtbl->svt_get && !(mg->mg_flags & MGf_GSKIP)) |
8990e307 LW |
76 | SvGMAGICAL_on(sv); |
77 | if (vtbl->svt_set) | |
78 | SvSMAGICAL_on(sv); | |
2b260de0 | 79 | if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || vtbl->svt_clear) |
8990e307 LW |
80 | SvRMAGICAL_on(sv); |
81 | } | |
82 | } | |
83 | } | |
84 | ||
954c1994 GS |
85 | /* |
86 | =for apidoc mg_get | |
87 | ||
88 | Do magic after a value is retrieved from the SV. See C<sv_magic>. | |
89 | ||
90 | =cut | |
91 | */ | |
92 | ||
79072805 | 93 | int |
864dbfa3 | 94 | Perl_mg_get(pTHX_ SV *sv) |
79072805 | 95 | { |
425d70b4 | 96 | IV mgs_ix; |
79072805 | 97 | MAGIC* mg; |
c6496cc7 | 98 | MAGIC** mgp; |
760ac839 | 99 | int mgp_valid = 0; |
463ee0b2 | 100 | |
455ece5e AD |
101 | mgs_ix = SSNEW(sizeof(MGS)); |
102 | save_magic(mgs_ix, sv); | |
463ee0b2 | 103 | |
c6496cc7 | 104 | mgp = &SvMAGIC(sv); |
105 | while ((mg = *mgp) != 0) { | |
79072805 | 106 | MGVTBL* vtbl = mg->mg_virtual; |
2b260de0 | 107 | if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) { |
316ad4fe | 108 | CALL_FPTR(vtbl->svt_get)(aTHX_ sv, mg); |
c6496cc7 | 109 | /* Ignore this magic if it's been deleted */ |
48e43a1c CS |
110 | if ((mg == (mgp_valid ? *mgp : SvMAGIC(sv))) && |
111 | (mg->mg_flags & MGf_GSKIP)) | |
455ece5e | 112 | (SSPTR(mgs_ix, MGS*))->mgs_flags = 0; |
a0d0e21e | 113 | } |
c6496cc7 | 114 | /* Advance to next magic (complicated by possible deletion) */ |
760ac839 | 115 | if (mg == (mgp_valid ? *mgp : SvMAGIC(sv))) { |
c6496cc7 | 116 | mgp = &mg->mg_moremagic; |
760ac839 LW |
117 | mgp_valid = 1; |
118 | } | |
119 | else | |
120 | mgp = &SvMAGIC(sv); /* Re-establish pointer after sv_upgrade */ | |
79072805 | 121 | } |
463ee0b2 | 122 | |
a6f8e609 | 123 | restore_magic(aTHXo_ INT2PTR(void*,mgs_ix)); |
79072805 LW |
124 | return 0; |
125 | } | |
126 | ||
954c1994 GS |
127 | /* |
128 | =for apidoc mg_set | |
129 | ||
130 | Do magic after a value is assigned to the SV. See C<sv_magic>. | |
131 | ||
132 | =cut | |
133 | */ | |
134 | ||
79072805 | 135 | int |
864dbfa3 | 136 | Perl_mg_set(pTHX_ SV *sv) |
79072805 | 137 | { |
425d70b4 | 138 | IV mgs_ix; |
79072805 | 139 | MAGIC* mg; |
463ee0b2 LW |
140 | MAGIC* nextmg; |
141 | ||
455ece5e AD |
142 | mgs_ix = SSNEW(sizeof(MGS)); |
143 | save_magic(mgs_ix, sv); | |
463ee0b2 LW |
144 | |
145 | for (mg = SvMAGIC(sv); mg; mg = nextmg) { | |
79072805 | 146 | MGVTBL* vtbl = mg->mg_virtual; |
463ee0b2 | 147 | nextmg = mg->mg_moremagic; /* it may delete itself */ |
a0d0e21e LW |
148 | if (mg->mg_flags & MGf_GSKIP) { |
149 | mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */ | |
455ece5e | 150 | (SSPTR(mgs_ix, MGS*))->mgs_flags = 0; |
a0d0e21e | 151 | } |
2b260de0 | 152 | if (vtbl && vtbl->svt_set) |
fc0dc3b3 | 153 | CALL_FPTR(vtbl->svt_set)(aTHX_ sv, mg); |
79072805 | 154 | } |
463ee0b2 | 155 | |
a6f8e609 | 156 | restore_magic(aTHXo_ INT2PTR(void*,mgs_ix)); |
79072805 LW |
157 | return 0; |
158 | } | |
159 | ||
954c1994 GS |
160 | /* |
161 | =for apidoc mg_length | |
162 | ||
163 | Report on the SV's length. See C<sv_magic>. | |
164 | ||
165 | =cut | |
166 | */ | |
167 | ||
79072805 | 168 | U32 |
864dbfa3 | 169 | Perl_mg_length(pTHX_ SV *sv) |
79072805 LW |
170 | { |
171 | MAGIC* mg; | |
748a9306 | 172 | char *junk; |
463ee0b2 | 173 | STRLEN len; |
463ee0b2 | 174 | |
79072805 LW |
175 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
176 | MGVTBL* vtbl = mg->mg_virtual; | |
2b260de0 | 177 | if (vtbl && vtbl->svt_len) { |
425d70b4 | 178 | IV mgs_ix; |
48e43a1c | 179 | |
455ece5e AD |
180 | mgs_ix = SSNEW(sizeof(MGS)); |
181 | save_magic(mgs_ix, sv); | |
a0d0e21e | 182 | /* omit MGf_GSKIP -- not changed here */ |
fc0dc3b3 | 183 | len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg); |
a6f8e609 | 184 | restore_magic(aTHXo_ INT2PTR(void*,mgs_ix)); |
85e6fe83 LW |
185 | return len; |
186 | } | |
187 | } | |
188 | ||
748a9306 | 189 | junk = SvPV(sv, len); |
463ee0b2 | 190 | return len; |
79072805 LW |
191 | } |
192 | ||
425d70b4 | 193 | IV |
864dbfa3 | 194 | Perl_mg_size(pTHX_ SV *sv) |
93965878 NIS |
195 | { |
196 | MAGIC* mg; | |
197 | I32 len; | |
ac27b0f5 | 198 | |
93965878 NIS |
199 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
200 | MGVTBL* vtbl = mg->mg_virtual; | |
2b260de0 | 201 | if (vtbl && vtbl->svt_len) { |
425d70b4 | 202 | IV mgs_ix; |
455ece5e AD |
203 | |
204 | mgs_ix = SSNEW(sizeof(MGS)); | |
205 | save_magic(mgs_ix, sv); | |
93965878 | 206 | /* omit MGf_GSKIP -- not changed here */ |
fc0dc3b3 | 207 | len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg); |
a6f8e609 | 208 | restore_magic(aTHXo_ INT2PTR(void*,mgs_ix)); |
93965878 NIS |
209 | return len; |
210 | } | |
211 | } | |
212 | ||
213 | switch(SvTYPE(sv)) { | |
214 | case SVt_PVAV: | |
215 | len = AvFILLp((AV *) sv); /* Fallback to non-tied array */ | |
216 | return len; | |
217 | case SVt_PVHV: | |
218 | /* FIXME */ | |
219 | default: | |
cea2e8a9 | 220 | Perl_croak(aTHX_ "Size magic not implemented"); |
93965878 NIS |
221 | break; |
222 | } | |
223 | return 0; | |
224 | } | |
225 | ||
954c1994 GS |
226 | /* |
227 | =for apidoc mg_clear | |
228 | ||
229 | Clear something magical that the SV represents. See C<sv_magic>. | |
230 | ||
231 | =cut | |
232 | */ | |
233 | ||
79072805 | 234 | int |
864dbfa3 | 235 | Perl_mg_clear(pTHX_ SV *sv) |
79072805 | 236 | { |
425d70b4 | 237 | IV mgs_ix; |
79072805 | 238 | MAGIC* mg; |
463ee0b2 | 239 | |
455ece5e AD |
240 | mgs_ix = SSNEW(sizeof(MGS)); |
241 | save_magic(mgs_ix, sv); | |
463ee0b2 | 242 | |
79072805 LW |
243 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
244 | MGVTBL* vtbl = mg->mg_virtual; | |
a0d0e21e LW |
245 | /* omit GSKIP -- never set here */ |
246 | ||
2b260de0 | 247 | if (vtbl && vtbl->svt_clear) |
fc0dc3b3 | 248 | CALL_FPTR(vtbl->svt_clear)(aTHX_ sv, mg); |
79072805 | 249 | } |
463ee0b2 | 250 | |
a6f8e609 | 251 | restore_magic(aTHXo_ INT2PTR(void*,mgs_ix)); |
79072805 LW |
252 | return 0; |
253 | } | |
254 | ||
954c1994 GS |
255 | /* |
256 | =for apidoc mg_find | |
257 | ||
258 | Finds the magic pointer for type matching the SV. See C<sv_magic>. | |
259 | ||
260 | =cut | |
261 | */ | |
262 | ||
93a17b20 | 263 | MAGIC* |
864dbfa3 | 264 | Perl_mg_find(pTHX_ SV *sv, int type) |
93a17b20 LW |
265 | { |
266 | MAGIC* mg; | |
3f8f4626 DC |
267 | if (!sv) |
268 | return 0; | |
93a17b20 LW |
269 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
270 | if (mg->mg_type == type) | |
271 | return mg; | |
272 | } | |
273 | return 0; | |
274 | } | |
275 | ||
954c1994 GS |
276 | /* |
277 | =for apidoc mg_copy | |
278 | ||
279 | Copies the magic from one SV to another. See C<sv_magic>. | |
280 | ||
281 | =cut | |
282 | */ | |
283 | ||
79072805 | 284 | int |
864dbfa3 | 285 | Perl_mg_copy(pTHX_ SV *sv, SV *nsv, const char *key, I32 klen) |
79072805 | 286 | { |
463ee0b2 | 287 | int count = 0; |
79072805 | 288 | MAGIC* mg; |
463ee0b2 LW |
289 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
290 | if (isUPPER(mg->mg_type)) { | |
33c27489 | 291 | sv_magic(nsv, |
14befaf4 DM |
292 | mg->mg_type == PERL_MAGIC_tied ? SvTIED_obj(sv, mg) : |
293 | (mg->mg_type == PERL_MAGIC_regdata && mg->mg_obj) | |
294 | ? sv : mg->mg_obj, | |
33c27489 | 295 | toLOWER(mg->mg_type), key, klen); |
463ee0b2 | 296 | count++; |
79072805 | 297 | } |
79072805 | 298 | } |
463ee0b2 | 299 | return count; |
79072805 LW |
300 | } |
301 | ||
954c1994 GS |
302 | /* |
303 | =for apidoc mg_free | |
304 | ||
305 | Free any magic storage used by the SV. See C<sv_magic>. | |
306 | ||
307 | =cut | |
308 | */ | |
309 | ||
79072805 | 310 | int |
864dbfa3 | 311 | Perl_mg_free(pTHX_ SV *sv) |
79072805 LW |
312 | { |
313 | MAGIC* mg; | |
314 | MAGIC* moremagic; | |
315 | for (mg = SvMAGIC(sv); mg; mg = moremagic) { | |
316 | MGVTBL* vtbl = mg->mg_virtual; | |
317 | moremagic = mg->mg_moremagic; | |
2b260de0 | 318 | if (vtbl && vtbl->svt_free) |
fc0dc3b3 | 319 | CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg); |
14befaf4 | 320 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global) { |
565764a8 | 321 | if (mg->mg_len >= 0) |
88e89b8a | 322 | Safefree(mg->mg_ptr); |
565764a8 | 323 | else if (mg->mg_len == HEf_SVKEY) |
88e89b8a | 324 | SvREFCNT_dec((SV*)mg->mg_ptr); |
d460ef45 | 325 | } |
85e6fe83 | 326 | if (mg->mg_flags & MGf_REFCOUNTED) |
8990e307 | 327 | SvREFCNT_dec(mg->mg_obj); |
79072805 LW |
328 | Safefree(mg); |
329 | } | |
330 | SvMAGIC(sv) = 0; | |
331 | return 0; | |
332 | } | |
333 | ||
d460ef45 | 334 | |
79072805 LW |
335 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
336 | #include <signal.h> | |
337 | #endif | |
338 | ||
942e002e | 339 | U32 |
864dbfa3 | 340 | Perl_magic_regdata_cnt(pTHX_ SV *sv, MAGIC *mg) |
6cef1e77 | 341 | { |
6cef1e77 | 342 | register REGEXP *rx; |
6cef1e77 | 343 | |
8f580fb8 IZ |
344 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
345 | if (mg->mg_obj) /* @+ */ | |
346 | return rx->nparens; | |
347 | else /* @- */ | |
348 | return rx->lastparen; | |
349 | } | |
ac27b0f5 | 350 | |
942e002e | 351 | return (U32)-1; |
6cef1e77 IZ |
352 | } |
353 | ||
354 | int | |
864dbfa3 | 355 | Perl_magic_regdatum_get(pTHX_ SV *sv, MAGIC *mg) |
6cef1e77 | 356 | { |
6cef1e77 | 357 | register I32 paren; |
cf93c79d | 358 | register I32 s; |
6cef1e77 IZ |
359 | register I32 i; |
360 | register REGEXP *rx; | |
cf93c79d | 361 | I32 t; |
6cef1e77 IZ |
362 | |
363 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { | |
364 | paren = mg->mg_len; | |
365 | if (paren < 0) | |
366 | return 0; | |
367 | if (paren <= rx->nparens && | |
cf93c79d IZ |
368 | (s = rx->startp[paren]) != -1 && |
369 | (t = rx->endp[paren]) != -1) | |
6cef1e77 IZ |
370 | { |
371 | if (mg->mg_obj) /* @+ */ | |
cf93c79d | 372 | i = t; |
6cef1e77 | 373 | else /* @- */ |
cf93c79d | 374 | i = s; |
1aa99e6b IH |
375 | |
376 | if (i > 0 && DO_UTF8(PL_reg_sv)) { | |
377 | char *b = rx->subbeg; | |
0064a8a9 JH |
378 | if (b) |
379 | i = Perl_utf8_length(aTHX_ (U8*)b, (U8*)(b+i)); | |
1aa99e6b | 380 | } |
0064a8a9 JH |
381 | |
382 | sv_setiv(sv, i); | |
6cef1e77 IZ |
383 | } |
384 | } | |
385 | return 0; | |
386 | } | |
387 | ||
e4b89193 | 388 | int |
a29d06ed MG |
389 | Perl_magic_regdatum_set(pTHX_ SV *sv, MAGIC *mg) |
390 | { | |
a29d06ed | 391 | Perl_croak(aTHX_ PL_no_modify); |
e4b89193 GS |
392 | /* NOT REACHED */ |
393 | return 0; | |
a29d06ed MG |
394 | } |
395 | ||
93a17b20 | 396 | U32 |
864dbfa3 | 397 | Perl_magic_len(pTHX_ SV *sv, MAGIC *mg) |
93a17b20 LW |
398 | { |
399 | register I32 paren; | |
93a17b20 | 400 | register I32 i; |
d9f97599 | 401 | register REGEXP *rx; |
a197cbdd | 402 | I32 s1, t1; |
93a17b20 LW |
403 | |
404 | switch (*mg->mg_ptr) { | |
405 | case '1': case '2': case '3': case '4': | |
406 | case '5': case '6': case '7': case '8': case '9': case '&': | |
3280af22 | 407 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
cf93c79d | 408 | |
ffc61ed2 | 409 | paren = atoi(mg->mg_ptr); /* $& is in [0] */ |
93a17b20 | 410 | getparen: |
d9f97599 | 411 | if (paren <= rx->nparens && |
cf93c79d IZ |
412 | (s1 = rx->startp[paren]) != -1 && |
413 | (t1 = rx->endp[paren]) != -1) | |
bbce6d69 | 414 | { |
cf93c79d | 415 | i = t1 - s1; |
a197cbdd | 416 | getlen: |
ffc61ed2 JH |
417 | if (i > 0 && DO_UTF8(PL_reg_sv)) { |
418 | char *s = rx->subbeg + s1; | |
a197cbdd | 419 | char *send = rx->subbeg + t1; |
ffc61ed2 | 420 | |
60425c38 JH |
421 | i = t1 - s1; |
422 | if (is_utf8_string((U8*)s, i)) | |
423 | i = Perl_utf8_length(aTHX_ (U8*)s, (U8*)send); | |
a197cbdd | 424 | } |
ffc61ed2 | 425 | if (i < 0) |
0844c848 | 426 | Perl_croak(aTHX_ "panic: magic_len: %"IVdf, (IV)i); |
ffc61ed2 | 427 | return i; |
93a17b20 | 428 | } |
93a17b20 | 429 | } |
748a9306 | 430 | return 0; |
93a17b20 | 431 | case '+': |
3280af22 | 432 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 | 433 | paren = rx->lastparen; |
13f57bf8 CS |
434 | if (paren) |
435 | goto getparen; | |
93a17b20 | 436 | } |
748a9306 | 437 | return 0; |
93a17b20 | 438 | case '`': |
3280af22 | 439 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
cf93c79d IZ |
440 | if (rx->startp[0] != -1) { |
441 | i = rx->startp[0]; | |
a197cbdd GS |
442 | if (i > 0) { |
443 | s1 = 0; | |
444 | t1 = i; | |
445 | goto getlen; | |
446 | } | |
93a17b20 | 447 | } |
93a17b20 | 448 | } |
748a9306 | 449 | return 0; |
93a17b20 | 450 | case '\'': |
3280af22 | 451 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
cf93c79d IZ |
452 | if (rx->endp[0] != -1) { |
453 | i = rx->sublen - rx->endp[0]; | |
a197cbdd GS |
454 | if (i > 0) { |
455 | s1 = rx->endp[0]; | |
456 | t1 = rx->sublen; | |
457 | goto getlen; | |
458 | } | |
93a17b20 | 459 | } |
93a17b20 | 460 | } |
748a9306 | 461 | return 0; |
93a17b20 LW |
462 | } |
463 | magic_get(sv,mg); | |
2d8e6c8d GS |
464 | if (!SvPOK(sv) && SvNIOK(sv)) { |
465 | STRLEN n_a; | |
466 | sv_2pv(sv, &n_a); | |
467 | } | |
93a17b20 LW |
468 | if (SvPOK(sv)) |
469 | return SvCUR(sv); | |
470 | return 0; | |
471 | } | |
472 | ||
79072805 | 473 | int |
864dbfa3 | 474 | Perl_magic_get(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
475 | { |
476 | register I32 paren; | |
477 | register char *s; | |
478 | register I32 i; | |
d9f97599 | 479 | register REGEXP *rx; |
79072805 LW |
480 | |
481 | switch (*mg->mg_ptr) { | |
748a9306 | 482 | case '\001': /* ^A */ |
3280af22 | 483 | sv_setsv(sv, PL_bodytarget); |
748a9306 | 484 | break; |
49460fe6 NIS |
485 | case '\003': /* ^C */ |
486 | sv_setiv(sv, (IV)PL_minus_c); | |
487 | break; | |
488 | ||
79072805 | 489 | case '\004': /* ^D */ |
aea4f609 | 490 | sv_setiv(sv, (IV)(PL_debug & DEBUG_MASK)); |
d056ab3f | 491 | #if defined(YYDEBUG) && defined(DEBUGGING) |
aea4f609 | 492 | PL_yydebug = DEBUG_p_TEST; |
d056ab3f | 493 | #endif |
79072805 | 494 | break; |
28f23441 | 495 | case '\005': /* ^E */ |
cd39f2b6 JH |
496 | #ifdef MACOS_TRADITIONAL |
497 | { | |
498 | char msg[256]; | |
ac27b0f5 | 499 | |
bf4acbe4 GS |
500 | sv_setnv(sv,(double)gMacPerl_OSErr); |
501 | sv_setpv(sv, gMacPerl_OSErr ? GetSysErrText(gMacPerl_OSErr, msg) : ""); | |
cd39f2b6 JH |
502 | } |
503 | #else | |
28f23441 | 504 | #ifdef VMS |
505 | { | |
506 | # include <descrip.h> | |
507 | # include <starlet.h> | |
508 | char msg[255]; | |
509 | $DESCRIPTOR(msgdsc,msg); | |
65202027 | 510 | sv_setnv(sv,(NV) vaxc$errno); |
28f23441 | 511 | if (sys$getmsg(vaxc$errno,&msgdsc.dsc$w_length,&msgdsc,0,0) & 1) |
512 | sv_setpvn(sv,msgdsc.dsc$a_pointer,msgdsc.dsc$w_length); | |
513 | else | |
514 | sv_setpv(sv,""); | |
515 | } | |
516 | #else | |
88e89b8a | 517 | #ifdef OS2 |
fb73857a | 518 | if (!(_emx_env & 0x200)) { /* Under DOS */ |
65202027 | 519 | sv_setnv(sv, (NV)errno); |
fb73857a | 520 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
521 | } else { | |
017f25f1 IZ |
522 | if (errno != errno_isOS2) { |
523 | int tmp = _syserrno(); | |
524 | if (tmp) /* 2nd call to _syserrno() makes it 0 */ | |
525 | Perl_rc = tmp; | |
526 | } | |
65202027 | 527 | sv_setnv(sv, (NV)Perl_rc); |
fb73857a | 528 | sv_setpv(sv, os2error(Perl_rc)); |
529 | } | |
88e89b8a | 530 | #else |
22fae026 TM |
531 | #ifdef WIN32 |
532 | { | |
533 | DWORD dwErr = GetLastError(); | |
65202027 | 534 | sv_setnv(sv, (NV)dwErr); |
22fae026 | 535 | if (dwErr) |
76e3520e | 536 | { |
0cb96387 | 537 | PerlProc_GetOSError(sv, dwErr); |
76e3520e | 538 | } |
22fae026 TM |
539 | else |
540 | sv_setpv(sv, ""); | |
541 | SetLastError(dwErr); | |
542 | } | |
543 | #else | |
65202027 | 544 | sv_setnv(sv, (NV)errno); |
28f23441 | 545 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
546 | #endif | |
88e89b8a | 547 | #endif |
22fae026 | 548 | #endif |
cd39f2b6 | 549 | #endif |
946ec16e | 550 | SvNOK_on(sv); /* what a wonderful hack! */ |
28f23441 | 551 | break; |
79072805 | 552 | case '\006': /* ^F */ |
3280af22 | 553 | sv_setiv(sv, (IV)PL_maxsysfd); |
79072805 | 554 | break; |
a0d0e21e | 555 | case '\010': /* ^H */ |
3280af22 | 556 | sv_setiv(sv, (IV)PL_hints); |
a0d0e21e | 557 | break; |
9d116dd7 | 558 | case '\011': /* ^I */ /* NOT \t in EBCDIC */ |
3280af22 NIS |
559 | if (PL_inplace) |
560 | sv_setpv(sv, PL_inplace); | |
79072805 | 561 | else |
3280af22 | 562 | sv_setsv(sv, &PL_sv_undef); |
79072805 | 563 | break; |
ac27b0f5 NIS |
564 | case '\017': /* ^O & ^OPEN */ |
565 | if (*(mg->mg_ptr+1) == '\0') | |
566 | sv_setpv(sv, PL_osname); | |
567 | else if (strEQ(mg->mg_ptr, "\017PEN")) { | |
568 | if (!PL_compiling.cop_io) | |
569 | sv_setsv(sv, &PL_sv_undef); | |
570 | else { | |
571 | sv_setsv(sv, PL_compiling.cop_io); | |
572 | } | |
573 | } | |
28f23441 | 574 | break; |
79072805 | 575 | case '\020': /* ^P */ |
3280af22 | 576 | sv_setiv(sv, (IV)PL_perldb); |
79072805 | 577 | break; |
fb73857a | 578 | case '\023': /* ^S */ |
d58bf5aa | 579 | { |
3280af22 | 580 | if (PL_lex_state != LEX_NOTPARSING) |
155aba94 | 581 | (void)SvOK_off(sv); |
3280af22 | 582 | else if (PL_in_eval) |
6dc8a9e4 | 583 | sv_setiv(sv, PL_in_eval & ~(EVAL_INREQUIRE)); |
d58bf5aa | 584 | } |
fb73857a | 585 | break; |
79072805 | 586 | case '\024': /* ^T */ |
88e89b8a | 587 | #ifdef BIG_TIME |
6b88bc9c | 588 | sv_setnv(sv, PL_basetime); |
88e89b8a | 589 | #else |
3280af22 | 590 | sv_setiv(sv, (IV)PL_basetime); |
88e89b8a | 591 | #endif |
79072805 | 592 | break; |
46487f74 | 593 | case '\027': /* ^W & $^WARNING_BITS & ^WIDE_SYSTEM_CALLS */ |
4438c4b7 JH |
594 | if (*(mg->mg_ptr+1) == '\0') |
595 | sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE)); | |
6a818117 | 596 | else if (strEQ(mg->mg_ptr, "\027ARNING_BITS")) { |
d3a7d8c7 GS |
597 | if (PL_compiling.cop_warnings == pWARN_NONE || |
598 | PL_compiling.cop_warnings == pWARN_STD) | |
4438c4b7 JH |
599 | { |
600 | sv_setpvn(sv, WARN_NONEstring, WARNsize) ; | |
601 | } | |
d3a7d8c7 | 602 | else if (PL_compiling.cop_warnings == pWARN_ALL) { |
4438c4b7 | 603 | sv_setpvn(sv, WARN_ALLstring, WARNsize) ; |
ac27b0f5 | 604 | } |
4438c4b7 JH |
605 | else { |
606 | sv_setsv(sv, PL_compiling.cop_warnings); | |
ac27b0f5 | 607 | } |
d3a7d8c7 | 608 | SvPOK_only(sv); |
4438c4b7 | 609 | } |
46487f74 GS |
610 | else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS")) |
611 | sv_setiv(sv, (IV)PL_widesyscalls); | |
79072805 LW |
612 | break; |
613 | case '1': case '2': case '3': case '4': | |
614 | case '5': case '6': case '7': case '8': case '9': case '&': | |
3280af22 | 615 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
cf93c79d IZ |
616 | I32 s1, t1; |
617 | ||
a863c7d1 MB |
618 | /* |
619 | * Pre-threads, this was paren = atoi(GvENAME((GV*)mg->mg_obj)); | |
620 | * XXX Does the new way break anything? | |
621 | */ | |
ffc61ed2 | 622 | paren = atoi(mg->mg_ptr); /* $& is in [0] */ |
79072805 | 623 | getparen: |
d9f97599 | 624 | if (paren <= rx->nparens && |
cf93c79d IZ |
625 | (s1 = rx->startp[paren]) != -1 && |
626 | (t1 = rx->endp[paren]) != -1) | |
bbce6d69 | 627 | { |
cf93c79d IZ |
628 | i = t1 - s1; |
629 | s = rx->subbeg + s1; | |
01ec43d0 | 630 | if (!rx->subbeg) |
c2e66d9e GS |
631 | break; |
632 | ||
13f57bf8 | 633 | getrx: |
748a9306 | 634 | if (i >= 0) { |
b7953727 | 635 | bool was_tainted = FALSE; |
3280af22 NIS |
636 | if (PL_tainting) { |
637 | was_tainted = PL_tainted; | |
638 | PL_tainted = FALSE; | |
13f57bf8 | 639 | } |
cf93c79d | 640 | sv_setpvn(sv, s, i); |
bdc14a33 | 641 | if (PL_reg_sv && DO_UTF8(PL_reg_sv) && is_utf8_string((U8*)s, i)) |
7e2040f0 GS |
642 | SvUTF8_on(sv); |
643 | else | |
644 | SvUTF8_off(sv); | |
3280af22 NIS |
645 | if (PL_tainting) |
646 | PL_tainted = (was_tainted || RX_MATCH_TAINTED(rx)); | |
748a9306 LW |
647 | break; |
648 | } | |
79072805 | 649 | } |
79072805 | 650 | } |
3280af22 | 651 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
652 | break; |
653 | case '+': | |
3280af22 | 654 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
d9f97599 | 655 | paren = rx->lastparen; |
a0d0e21e LW |
656 | if (paren) |
657 | goto getparen; | |
79072805 | 658 | } |
3280af22 | 659 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
660 | break; |
661 | case '`': | |
3280af22 | 662 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
cf93c79d IZ |
663 | if ((s = rx->subbeg) && rx->startp[0] != -1) { |
664 | i = rx->startp[0]; | |
13f57bf8 | 665 | goto getrx; |
79072805 | 666 | } |
79072805 | 667 | } |
3280af22 | 668 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
669 | break; |
670 | case '\'': | |
3280af22 | 671 | if (PL_curpm && (rx = PL_curpm->op_pmregexp)) { |
cf93c79d IZ |
672 | if (rx->subbeg && rx->endp[0] != -1) { |
673 | s = rx->subbeg + rx->endp[0]; | |
674 | i = rx->sublen - rx->endp[0]; | |
13f57bf8 | 675 | goto getrx; |
79072805 | 676 | } |
79072805 | 677 | } |
3280af22 | 678 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
679 | break; |
680 | case '.': | |
681 | #ifndef lint | |
3280af22 | 682 | if (GvIO(PL_last_in_gv)) { |
357c8808 | 683 | sv_setiv(sv, (IV)IoLINES(GvIOp(PL_last_in_gv))); |
79072805 LW |
684 | } |
685 | #endif | |
686 | break; | |
687 | case '?': | |
809a5acc | 688 | { |
809a5acc | 689 | sv_setiv(sv, (IV)STATUS_CURRENT); |
ff0cee69 | 690 | #ifdef COMPLEX_STATUS |
6b88bc9c GS |
691 | LvTARGOFF(sv) = PL_statusvalue; |
692 | LvTARGLEN(sv) = PL_statusvalue_vms; | |
ff0cee69 | 693 | #endif |
809a5acc | 694 | } |
79072805 LW |
695 | break; |
696 | case '^': | |
3280af22 | 697 | s = IoTOP_NAME(GvIOp(PL_defoutgv)); |
79072805 LW |
698 | if (s) |
699 | sv_setpv(sv,s); | |
700 | else { | |
3280af22 | 701 | sv_setpv(sv,GvENAME(PL_defoutgv)); |
79072805 LW |
702 | sv_catpv(sv,"_TOP"); |
703 | } | |
704 | break; | |
705 | case '~': | |
3280af22 | 706 | s = IoFMT_NAME(GvIOp(PL_defoutgv)); |
79072805 | 707 | if (!s) |
3280af22 | 708 | s = GvENAME(PL_defoutgv); |
79072805 LW |
709 | sv_setpv(sv,s); |
710 | break; | |
711 | #ifndef lint | |
712 | case '=': | |
3280af22 | 713 | sv_setiv(sv, (IV)IoPAGE_LEN(GvIOp(PL_defoutgv))); |
79072805 LW |
714 | break; |
715 | case '-': | |
3280af22 | 716 | sv_setiv(sv, (IV)IoLINES_LEFT(GvIOp(PL_defoutgv))); |
79072805 LW |
717 | break; |
718 | case '%': | |
3280af22 | 719 | sv_setiv(sv, (IV)IoPAGE(GvIOp(PL_defoutgv))); |
79072805 LW |
720 | break; |
721 | #endif | |
722 | case ':': | |
723 | break; | |
724 | case '/': | |
725 | break; | |
726 | case '[': | |
3280af22 | 727 | WITH_THR(sv_setiv(sv, (IV)PL_curcop->cop_arybase)); |
79072805 LW |
728 | break; |
729 | case '|': | |
3280af22 | 730 | sv_setiv(sv, (IV)(IoFLAGS(GvIOp(PL_defoutgv)) & IOf_FLUSH) != 0 ); |
79072805 LW |
731 | break; |
732 | case ',': | |
79072805 LW |
733 | break; |
734 | case '\\': | |
79072805 LW |
735 | break; |
736 | case '#': | |
3280af22 | 737 | sv_setpv(sv,PL_ofmt); |
79072805 LW |
738 | break; |
739 | case '!': | |
a5f75d66 | 740 | #ifdef VMS |
65202027 | 741 | sv_setnv(sv, (NV)((errno == EVMSERR) ? vaxc$errno : errno)); |
88e89b8a | 742 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
a5f75d66 | 743 | #else |
88e89b8a | 744 | { |
745 | int saveerrno = errno; | |
65202027 | 746 | sv_setnv(sv, (NV)errno); |
88e89b8a | 747 | #ifdef OS2 |
ed344e4f IZ |
748 | if (errno == errno_isOS2 || errno == errno_isOS2_set) |
749 | sv_setpv(sv, os2error(Perl_rc)); | |
88e89b8a | 750 | else |
a5f75d66 | 751 | #endif |
2304df62 | 752 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
88e89b8a | 753 | errno = saveerrno; |
754 | } | |
755 | #endif | |
946ec16e | 756 | SvNOK_on(sv); /* what a wonderful hack! */ |
79072805 LW |
757 | break; |
758 | case '<': | |
3280af22 | 759 | sv_setiv(sv, (IV)PL_uid); |
79072805 LW |
760 | break; |
761 | case '>': | |
3280af22 | 762 | sv_setiv(sv, (IV)PL_euid); |
79072805 LW |
763 | break; |
764 | case '(': | |
3280af22 | 765 | sv_setiv(sv, (IV)PL_gid); |
a52cb5f7 | 766 | #ifdef HAS_GETGROUPS |
785fb66b | 767 | Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_gid); |
a52cb5f7 | 768 | #endif |
79072805 LW |
769 | goto add_groups; |
770 | case ')': | |
3280af22 | 771 | sv_setiv(sv, (IV)PL_egid); |
a52cb5f7 | 772 | #ifdef HAS_GETGROUPS |
785fb66b | 773 | Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, PL_egid); |
a52cb5f7 | 774 | #endif |
79072805 | 775 | add_groups: |
79072805 | 776 | #ifdef HAS_GETGROUPS |
79072805 | 777 | { |
a0d0e21e | 778 | Groups_t gary[NGROUPS]; |
79072805 | 779 | i = getgroups(NGROUPS,gary); |
46fc3d4c | 780 | while (--i >= 0) |
785fb66b | 781 | Perl_sv_catpvf(aTHX_ sv, " %"Gid_t_f, gary[i]); |
79072805 LW |
782 | } |
783 | #endif | |
155aba94 | 784 | (void)SvIOK_on(sv); /* what a wonderful hack! */ |
79072805 LW |
785 | break; |
786 | case '*': | |
787 | break; | |
cd39f2b6 | 788 | #ifndef MACOS_TRADITIONAL |
79072805 LW |
789 | case '0': |
790 | break; | |
cd39f2b6 | 791 | #endif |
a863c7d1 MB |
792 | #ifdef USE_THREADS |
793 | case '@': | |
38a03e6e | 794 | sv_setsv(sv, thr->errsv); |
a863c7d1 MB |
795 | break; |
796 | #endif /* USE_THREADS */ | |
79072805 | 797 | } |
a0d0e21e | 798 | return 0; |
79072805 LW |
799 | } |
800 | ||
801 | int | |
864dbfa3 | 802 | Perl_magic_getuvar(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
803 | { |
804 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; | |
805 | ||
806 | if (uf && uf->uf_val) | |
24f81a43 | 807 | (*uf->uf_val)(aTHX_ uf->uf_index, sv); |
79072805 LW |
808 | return 0; |
809 | } | |
810 | ||
811 | int | |
864dbfa3 | 812 | Perl_magic_setenv(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
813 | { |
814 | register char *s; | |
88e89b8a | 815 | char *ptr; |
5aabfad6 | 816 | STRLEN len, klen; |
a0d0e21e | 817 | I32 i; |
1e422769 | 818 | |
a0d0e21e | 819 | s = SvPV(sv,len); |
5aabfad6 | 820 | ptr = MgPV(mg,klen); |
88e89b8a | 821 | my_setenv(ptr, s); |
1e422769 | 822 | |
a0d0e21e LW |
823 | #ifdef DYNAMIC_ENV_FETCH |
824 | /* We just undefd an environment var. Is a replacement */ | |
825 | /* waiting in the wings? */ | |
826 | if (!len) { | |
5aabfad6 | 827 | SV **valp; |
6b88bc9c | 828 | if ((valp = hv_fetch(GvHVn(PL_envgv), ptr, klen, FALSE))) |
5aabfad6 | 829 | s = SvPV(*valp, len); |
a0d0e21e LW |
830 | } |
831 | #endif | |
1e422769 | 832 | |
39e571d4 | 833 | #if !defined(OS2) && !defined(AMIGAOS) && !defined(WIN32) && !defined(MSDOS) |
79072805 LW |
834 | /* And you'll never guess what the dog had */ |
835 | /* in its mouth... */ | |
3280af22 | 836 | if (PL_tainting) { |
1e422769 | 837 | MgTAINTEDDIR_off(mg); |
838 | #ifdef VMS | |
5aabfad6 | 839 | if (s && klen == 8 && strEQ(ptr, "DCL$PATH")) { |
1e422769 | 840 | char pathbuf[256], eltbuf[256], *cp, *elt = s; |
841 | struct stat sbuf; | |
842 | int i = 0, j = 0; | |
843 | ||
844 | do { /* DCL$PATH may be a search list */ | |
845 | while (1) { /* as may dev portion of any element */ | |
846 | if ( ((cp = strchr(elt,'[')) || (cp = strchr(elt,'<'))) ) { | |
847 | if ( *(cp+1) == '.' || *(cp+1) == '-' || | |
848 | cando_by_name(S_IWUSR,0,elt) ) { | |
849 | MgTAINTEDDIR_on(mg); | |
850 | return 0; | |
851 | } | |
852 | } | |
853 | if ((cp = strchr(elt, ':')) != Nullch) | |
854 | *cp = '\0'; | |
855 | if (my_trnlnm(elt, eltbuf, j++)) | |
856 | elt = eltbuf; | |
857 | else | |
858 | break; | |
859 | } | |
860 | j = 0; | |
861 | } while (my_trnlnm(s, pathbuf, i++) && (elt = pathbuf)); | |
862 | } | |
863 | #endif /* VMS */ | |
5aabfad6 | 864 | if (s && klen == 4 && strEQ(ptr,"PATH")) { |
a0d0e21e | 865 | char *strend = s + len; |
463ee0b2 LW |
866 | |
867 | while (s < strend) { | |
96827780 | 868 | char tmpbuf[256]; |
1e422769 | 869 | struct stat st; |
96827780 | 870 | s = delimcpy(tmpbuf, tmpbuf + sizeof tmpbuf, |
fc36a67e | 871 | s, strend, ':', &i); |
463ee0b2 | 872 | s++; |
96827780 MB |
873 | if (i >= sizeof tmpbuf /* too long -- assume the worst */ |
874 | || *tmpbuf != '/' | |
c6ed36e1 | 875 | || (PerlLIO_stat(tmpbuf, &st) == 0 && (st.st_mode & 2)) ) { |
8990e307 | 876 | MgTAINTEDDIR_on(mg); |
1e422769 | 877 | return 0; |
878 | } | |
463ee0b2 | 879 | } |
79072805 LW |
880 | } |
881 | } | |
39e571d4 | 882 | #endif /* neither OS2 nor AMIGAOS nor WIN32 nor MSDOS */ |
1e422769 | 883 | |
79072805 LW |
884 | return 0; |
885 | } | |
886 | ||
887 | int | |
864dbfa3 | 888 | Perl_magic_clearenv(pTHX_ SV *sv, MAGIC *mg) |
85e6fe83 | 889 | { |
2d8e6c8d GS |
890 | STRLEN n_a; |
891 | my_setenv(MgPV(mg,n_a),Nullch); | |
85e6fe83 LW |
892 | return 0; |
893 | } | |
894 | ||
88e89b8a | 895 | int |
864dbfa3 | 896 | Perl_magic_set_all_env(pTHX_ SV *sv, MAGIC *mg) |
fb73857a | 897 | { |
898 | #if defined(VMS) | |
cea2e8a9 | 899 | Perl_die(aTHX_ "Can't make list assignment to %%ENV on this system"); |
fb73857a | 900 | #else |
3280af22 | 901 | if (PL_localizing) { |
fb73857a | 902 | HE* entry; |
2d8e6c8d | 903 | STRLEN n_a; |
fb73857a | 904 | magic_clear_all_env(sv,mg); |
905 | hv_iterinit((HV*)sv); | |
155aba94 | 906 | while ((entry = hv_iternext((HV*)sv))) { |
fb73857a | 907 | I32 keylen; |
908 | my_setenv(hv_iterkey(entry, &keylen), | |
2d8e6c8d | 909 | SvPV(hv_iterval((HV*)sv, entry), n_a)); |
fb73857a | 910 | } |
911 | } | |
912 | #endif | |
913 | return 0; | |
914 | } | |
915 | ||
916 | int | |
864dbfa3 | 917 | Perl_magic_clear_all_env(pTHX_ SV *sv, MAGIC *mg) |
66b1d557 | 918 | { |
ed79a026 | 919 | #if defined(VMS) || defined(EPOC) |
cea2e8a9 | 920 | Perl_die(aTHX_ "Can't make list assignment to %%ENV on this system"); |
3e3baf6d | 921 | #else |
7766f137 GS |
922 | # ifdef PERL_IMPLICIT_SYS |
923 | PerlEnv_clearenv(); | |
924 | # else | |
925 | # ifdef WIN32 | |
3e3baf6d TB |
926 | char *envv = GetEnvironmentStrings(); |
927 | char *cur = envv; | |
928 | STRLEN len; | |
929 | while (*cur) { | |
930 | char *end = strchr(cur,'='); | |
931 | if (end && end != cur) { | |
932 | *end = '\0'; | |
933 | my_setenv(cur,Nullch); | |
934 | *end = '='; | |
ac5c734f | 935 | cur = end + strlen(end+1)+2; |
3e3baf6d TB |
936 | } |
937 | else if ((len = strlen(cur))) | |
938 | cur += len+1; | |
939 | } | |
940 | FreeEnvironmentStrings(envv); | |
7766f137 | 941 | # else |
5acaa6ec | 942 | #ifdef USE_ENVIRON_ARRAY |
7766f137 | 943 | # ifndef PERL_USE_SAFE_PUTENV |
66b1d557 HM |
944 | I32 i; |
945 | ||
3280af22 | 946 | if (environ == PL_origenviron) |
f2517201 | 947 | environ = (char**)safesysmalloc(sizeof(char*)); |
66b1d557 HM |
948 | else |
949 | for (i = 0; environ[i]; i++) | |
f2517201 | 950 | safesysfree(environ[i]); |
7766f137 | 951 | # endif /* PERL_USE_SAFE_PUTENV */ |
f2517201 | 952 | |
66b1d557 HM |
953 | environ[0] = Nullch; |
954 | ||
5acaa6ec | 955 | #endif /* USE_ENVIRON_ARRAY */ |
7766f137 GS |
956 | # endif /* WIN32 */ |
957 | # endif /* PERL_IMPLICIT_SYS */ | |
f2517201 | 958 | #endif /* VMS */ |
3e3baf6d | 959 | return 0; |
66b1d557 HM |
960 | } |
961 | ||
64ca3a65 | 962 | #ifndef PERL_MICRO |
66b1d557 | 963 | int |
864dbfa3 | 964 | Perl_magic_getsig(pTHX_ SV *sv, MAGIC *mg) |
88e89b8a | 965 | { |
966 | I32 i; | |
2d8e6c8d | 967 | STRLEN n_a; |
88e89b8a | 968 | /* Are we fetching a signal entry? */ |
2d8e6c8d | 969 | i = whichsig(MgPV(mg,n_a)); |
88e89b8a | 970 | if (i) { |
22c35a8c GS |
971 | if(PL_psig_ptr[i]) |
972 | sv_setsv(sv,PL_psig_ptr[i]); | |
88e89b8a | 973 | else { |
ff68c719 | 974 | Sighandler_t sigstate = rsignal_state(i); |
975 | ||
88e89b8a | 976 | /* cache state so we don't fetch it again */ |
ff68c719 | 977 | if(sigstate == SIG_IGN) |
88e89b8a | 978 | sv_setpv(sv,"IGNORE"); |
979 | else | |
3280af22 | 980 | sv_setsv(sv,&PL_sv_undef); |
22c35a8c | 981 | PL_psig_ptr[i] = SvREFCNT_inc(sv); |
88e89b8a | 982 | SvTEMP_off(sv); |
983 | } | |
984 | } | |
985 | return 0; | |
986 | } | |
987 | int | |
864dbfa3 | 988 | Perl_magic_clearsig(pTHX_ SV *sv, MAGIC *mg) |
88e89b8a | 989 | { |
990 | I32 i; | |
2d8e6c8d | 991 | STRLEN n_a; |
88e89b8a | 992 | /* Are we clearing a signal entry? */ |
2d8e6c8d | 993 | i = whichsig(MgPV(mg,n_a)); |
88e89b8a | 994 | if (i) { |
22c35a8c GS |
995 | if(PL_psig_ptr[i]) { |
996 | SvREFCNT_dec(PL_psig_ptr[i]); | |
997 | PL_psig_ptr[i]=0; | |
88e89b8a | 998 | } |
22c35a8c GS |
999 | if(PL_psig_name[i]) { |
1000 | SvREFCNT_dec(PL_psig_name[i]); | |
1001 | PL_psig_name[i]=0; | |
88e89b8a | 1002 | } |
1003 | } | |
1004 | return 0; | |
1005 | } | |
3d37d572 | 1006 | |
0a8e0eff NIS |
1007 | void |
1008 | Perl_raise_signal(pTHX_ int sig) | |
1009 | { | |
1010 | /* Set a flag to say this signal is pending */ | |
1011 | PL_psig_pend[sig]++; | |
1012 | /* And one to say _a_ signal is pending */ | |
1013 | PL_sig_pending = 1; | |
1014 | } | |
1015 | ||
1016 | Signal_t | |
1017 | Perl_csighandler(int sig) | |
1018 | { | |
1019 | #ifdef PERL_OLD_SIGNALS | |
1020 | /* Call the perl level handler now with risk we may be in malloc() etc. */ | |
1021 | (*PL_sighandlerp)(sig); | |
1022 | #else | |
1023 | dTHX; | |
1024 | Perl_raise_signal(aTHX_ sig); | |
1025 | #endif | |
1026 | } | |
1027 | ||
1028 | void | |
1029 | Perl_despatch_signals(pTHX) | |
1030 | { | |
1031 | int sig; | |
1032 | PL_sig_pending = 0; | |
1033 | for (sig = 1; sig < SIG_SIZE; sig++) { | |
1034 | if (PL_psig_pend[sig]) { | |
1035 | PL_psig_pend[sig] = 0; | |
1036 | (*PL_sighandlerp)(sig); | |
1037 | } | |
1038 | } | |
1039 | } | |
1040 | ||
85e6fe83 | 1041 | int |
864dbfa3 | 1042 | Perl_magic_setsig(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
1043 | { |
1044 | register char *s; | |
1045 | I32 i; | |
b7953727 | 1046 | SV** svp = 0; |
e72dc28c | 1047 | STRLEN len; |
a0d0e21e | 1048 | |
e72dc28c | 1049 | s = MgPV(mg,len); |
748a9306 LW |
1050 | if (*s == '_') { |
1051 | if (strEQ(s,"__DIE__")) | |
3280af22 | 1052 | svp = &PL_diehook; |
748a9306 | 1053 | else if (strEQ(s,"__WARN__")) |
3280af22 | 1054 | svp = &PL_warnhook; |
748a9306 | 1055 | else |
cea2e8a9 | 1056 | Perl_croak(aTHX_ "No such hook: %s", s); |
748a9306 | 1057 | i = 0; |
4633a7c4 LW |
1058 | if (*svp) { |
1059 | SvREFCNT_dec(*svp); | |
1060 | *svp = 0; | |
1061 | } | |
748a9306 LW |
1062 | } |
1063 | else { | |
1064 | i = whichsig(s); /* ...no, a brick */ | |
1065 | if (!i) { | |
e476b1b5 | 1066 | if (ckWARN(WARN_SIGNAL)) |
cea2e8a9 | 1067 | Perl_warner(aTHX_ WARN_SIGNAL, "No such signal: SIG%s", s); |
748a9306 LW |
1068 | return 0; |
1069 | } | |
22c35a8c GS |
1070 | SvREFCNT_dec(PL_psig_name[i]); |
1071 | SvREFCNT_dec(PL_psig_ptr[i]); | |
1072 | PL_psig_ptr[i] = SvREFCNT_inc(sv); | |
88e89b8a | 1073 | SvTEMP_off(sv); /* Make sure it doesn't go away on us */ |
e72dc28c | 1074 | PL_psig_name[i] = newSVpvn(s, len); |
22c35a8c | 1075 | SvREADONLY_on(PL_psig_name[i]); |
748a9306 | 1076 | } |
a0d0e21e | 1077 | if (SvTYPE(sv) == SVt_PVGV || SvROK(sv)) { |
748a9306 | 1078 | if (i) |
0a8e0eff | 1079 | (void)rsignal(i, &Perl_csighandler); |
748a9306 LW |
1080 | else |
1081 | *svp = SvREFCNT_inc(sv); | |
a0d0e21e LW |
1082 | return 0; |
1083 | } | |
e72dc28c | 1084 | s = SvPV_force(sv,len); |
748a9306 LW |
1085 | if (strEQ(s,"IGNORE")) { |
1086 | if (i) | |
ff68c719 | 1087 | (void)rsignal(i, SIG_IGN); |
748a9306 LW |
1088 | else |
1089 | *svp = 0; | |
1090 | } | |
1091 | else if (strEQ(s,"DEFAULT") || !*s) { | |
1092 | if (i) | |
ff68c719 | 1093 | (void)rsignal(i, SIG_DFL); |
748a9306 LW |
1094 | else |
1095 | *svp = 0; | |
1096 | } | |
79072805 | 1097 | else { |
5aabfad6 | 1098 | /* |
1099 | * We should warn if HINT_STRICT_REFS, but without | |
1100 | * access to a known hint bit in a known OP, we can't | |
1101 | * tell whether HINT_STRICT_REFS is in force or not. | |
1102 | */ | |
46fc3d4c | 1103 | if (!strchr(s,':') && !strchr(s,'\'')) |
e72dc28c | 1104 | sv_insert(sv, 0, 0, "main::", 6); |
748a9306 | 1105 | if (i) |
0a8e0eff | 1106 | (void)rsignal(i, &Perl_csighandler); |
748a9306 LW |
1107 | else |
1108 | *svp = SvREFCNT_inc(sv); | |
79072805 LW |
1109 | } |
1110 | return 0; | |
1111 | } | |
64ca3a65 | 1112 | #endif /* !PERL_MICRO */ |
79072805 LW |
1113 | |
1114 | int | |
864dbfa3 | 1115 | Perl_magic_setisa(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1116 | { |
3280af22 | 1117 | PL_sub_generation++; |
463ee0b2 LW |
1118 | return 0; |
1119 | } | |
1120 | ||
1121 | int | |
864dbfa3 | 1122 | Perl_magic_setamagic(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1123 | { |
a0d0e21e | 1124 | /* HV_badAMAGIC_on(Sv_STASH(sv)); */ |
3280af22 | 1125 | PL_amagic_generation++; |
463ee0b2 | 1126 | |
a0d0e21e LW |
1127 | return 0; |
1128 | } | |
463ee0b2 | 1129 | |
946ec16e | 1130 | int |
864dbfa3 | 1131 | Perl_magic_getnkeys(pTHX_ SV *sv, MAGIC *mg) |
6ff81951 GS |
1132 | { |
1133 | HV *hv = (HV*)LvTARG(sv); | |
1134 | HE *entry; | |
1135 | I32 i = 0; | |
1136 | ||
1137 | if (hv) { | |
1138 | (void) hv_iterinit(hv); | |
14befaf4 | 1139 | if (! SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) |
6ff81951 GS |
1140 | i = HvKEYS(hv); |
1141 | else { | |
1142 | /*SUPPRESS 560*/ | |
155aba94 | 1143 | while ((entry = hv_iternext(hv))) { |
6ff81951 GS |
1144 | i++; |
1145 | } | |
1146 | } | |
1147 | } | |
1148 | ||
1149 | sv_setiv(sv, (IV)i); | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | int | |
864dbfa3 | 1154 | Perl_magic_setnkeys(pTHX_ SV *sv, MAGIC *mg) |
946ec16e | 1155 | { |
1156 | if (LvTARG(sv)) { | |
1157 | hv_ksplit((HV*)LvTARG(sv), SvIV(sv)); | |
946ec16e | 1158 | } |
1159 | return 0; | |
ac27b0f5 | 1160 | } |
946ec16e | 1161 | |
e336de0d | 1162 | /* caller is responsible for stack switching/cleanup */ |
565764a8 | 1163 | STATIC int |
cea2e8a9 | 1164 | S_magic_methcall(pTHX_ SV *sv, MAGIC *mg, char *meth, I32 flags, int n, SV *val) |
a0d0e21e LW |
1165 | { |
1166 | dSP; | |
463ee0b2 | 1167 | |
924508f0 GS |
1168 | PUSHMARK(SP); |
1169 | EXTEND(SP, n); | |
33c27489 | 1170 | PUSHs(SvTIED_obj(sv, mg)); |
ac27b0f5 | 1171 | if (n > 1) { |
93965878 | 1172 | if (mg->mg_ptr) { |
565764a8 | 1173 | if (mg->mg_len >= 0) |
79cb57f6 | 1174 | PUSHs(sv_2mortal(newSVpvn(mg->mg_ptr, mg->mg_len))); |
565764a8 | 1175 | else if (mg->mg_len == HEf_SVKEY) |
93965878 NIS |
1176 | PUSHs((SV*)mg->mg_ptr); |
1177 | } | |
14befaf4 | 1178 | else if (mg->mg_type == PERL_MAGIC_tiedelem) { |
565764a8 | 1179 | PUSHs(sv_2mortal(newSViv(mg->mg_len))); |
93965878 NIS |
1180 | } |
1181 | } | |
1182 | if (n > 2) { | |
1183 | PUSHs(val); | |
88e89b8a | 1184 | } |
463ee0b2 LW |
1185 | PUTBACK; |
1186 | ||
864dbfa3 | 1187 | return call_method(meth, flags); |
946ec16e | 1188 | } |
1189 | ||
76e3520e | 1190 | STATIC int |
cea2e8a9 | 1191 | S_magic_methpack(pTHX_ SV *sv, MAGIC *mg, char *meth) |
a0d0e21e LW |
1192 | { |
1193 | dSP; | |
463ee0b2 | 1194 | |
a0d0e21e LW |
1195 | ENTER; |
1196 | SAVETMPS; | |
e788e7d3 | 1197 | PUSHSTACKi(PERLSI_MAGIC); |
463ee0b2 | 1198 | |
33c27489 | 1199 | if (magic_methcall(sv, mg, meth, G_SCALAR, 2, NULL)) { |
3280af22 | 1200 | sv_setsv(sv, *PL_stack_sp--); |
93965878 | 1201 | } |
463ee0b2 | 1202 | |
d3acc0f7 | 1203 | POPSTACK; |
a0d0e21e LW |
1204 | FREETMPS; |
1205 | LEAVE; | |
1206 | return 0; | |
1207 | } | |
463ee0b2 | 1208 | |
a0d0e21e | 1209 | int |
864dbfa3 | 1210 | Perl_magic_getpack(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e LW |
1211 | { |
1212 | magic_methpack(sv,mg,"FETCH"); | |
1213 | if (mg->mg_ptr) | |
1214 | mg->mg_flags |= MGf_GSKIP; | |
463ee0b2 LW |
1215 | return 0; |
1216 | } | |
1217 | ||
1218 | int | |
864dbfa3 | 1219 | Perl_magic_setpack(pTHX_ SV *sv, MAGIC *mg) |
e336de0d GS |
1220 | { |
1221 | dSP; | |
a60c0954 | 1222 | ENTER; |
e788e7d3 | 1223 | PUSHSTACKi(PERLSI_MAGIC); |
33c27489 | 1224 | magic_methcall(sv, mg, "STORE", G_SCALAR|G_DISCARD, 3, sv); |
d3acc0f7 | 1225 | POPSTACK; |
a60c0954 | 1226 | LEAVE; |
463ee0b2 LW |
1227 | return 0; |
1228 | } | |
1229 | ||
1230 | int | |
864dbfa3 | 1231 | Perl_magic_clearpack(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1232 | { |
a0d0e21e LW |
1233 | return magic_methpack(sv,mg,"DELETE"); |
1234 | } | |
463ee0b2 | 1235 | |
93965878 NIS |
1236 | |
1237 | U32 | |
864dbfa3 | 1238 | Perl_magic_sizepack(pTHX_ SV *sv, MAGIC *mg) |
ac27b0f5 | 1239 | { |
e336de0d | 1240 | dSP; |
93965878 NIS |
1241 | U32 retval = 0; |
1242 | ||
1243 | ENTER; | |
1244 | SAVETMPS; | |
e788e7d3 | 1245 | PUSHSTACKi(PERLSI_MAGIC); |
33c27489 | 1246 | if (magic_methcall(sv, mg, "FETCHSIZE", G_SCALAR, 2, NULL)) { |
3280af22 | 1247 | sv = *PL_stack_sp--; |
a60c0954 | 1248 | retval = (U32) SvIV(sv)-1; |
93965878 | 1249 | } |
d3acc0f7 | 1250 | POPSTACK; |
93965878 NIS |
1251 | FREETMPS; |
1252 | LEAVE; | |
1253 | return retval; | |
1254 | } | |
1255 | ||
cea2e8a9 GS |
1256 | int |
1257 | Perl_magic_wipepack(pTHX_ SV *sv, MAGIC *mg) | |
a0d0e21e LW |
1258 | { |
1259 | dSP; | |
463ee0b2 | 1260 | |
e336de0d | 1261 | ENTER; |
e788e7d3 | 1262 | PUSHSTACKi(PERLSI_MAGIC); |
924508f0 | 1263 | PUSHMARK(SP); |
33c27489 | 1264 | XPUSHs(SvTIED_obj(sv, mg)); |
463ee0b2 | 1265 | PUTBACK; |
864dbfa3 | 1266 | call_method("CLEAR", G_SCALAR|G_DISCARD); |
d3acc0f7 | 1267 | POPSTACK; |
a60c0954 | 1268 | LEAVE; |
463ee0b2 LW |
1269 | return 0; |
1270 | } | |
1271 | ||
1272 | int | |
864dbfa3 | 1273 | Perl_magic_nextpack(pTHX_ SV *sv, MAGIC *mg, SV *key) |
463ee0b2 | 1274 | { |
463ee0b2 | 1275 | dSP; |
dff6d3cd | 1276 | const char *meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY"; |
463ee0b2 LW |
1277 | |
1278 | ENTER; | |
a0d0e21e | 1279 | SAVETMPS; |
e788e7d3 | 1280 | PUSHSTACKi(PERLSI_MAGIC); |
924508f0 GS |
1281 | PUSHMARK(SP); |
1282 | EXTEND(SP, 2); | |
33c27489 | 1283 | PUSHs(SvTIED_obj(sv, mg)); |
463ee0b2 LW |
1284 | if (SvOK(key)) |
1285 | PUSHs(key); | |
1286 | PUTBACK; | |
1287 | ||
864dbfa3 | 1288 | if (call_method(meth, G_SCALAR)) |
3280af22 | 1289 | sv_setsv(key, *PL_stack_sp--); |
463ee0b2 | 1290 | |
d3acc0f7 | 1291 | POPSTACK; |
a0d0e21e LW |
1292 | FREETMPS; |
1293 | LEAVE; | |
79072805 LW |
1294 | return 0; |
1295 | } | |
1296 | ||
1297 | int | |
864dbfa3 | 1298 | Perl_magic_existspack(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e LW |
1299 | { |
1300 | return magic_methpack(sv,mg,"EXISTS"); | |
ac27b0f5 | 1301 | } |
a0d0e21e LW |
1302 | |
1303 | int | |
864dbfa3 | 1304 | Perl_magic_setdbline(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
1305 | { |
1306 | OP *o; | |
1307 | I32 i; | |
1308 | GV* gv; | |
1309 | SV** svp; | |
2d8e6c8d | 1310 | STRLEN n_a; |
79072805 | 1311 | |
3280af22 | 1312 | gv = PL_DBline; |
79072805 | 1313 | i = SvTRUE(sv); |
188ea221 | 1314 | svp = av_fetch(GvAV(gv), |
2d8e6c8d | 1315 | atoi(MgPV(mg,n_a)), FALSE); |
57b2e452 | 1316 | if (svp && SvIOKp(*svp) && (o = INT2PTR(OP*,SvIVX(*svp)))) |
93a17b20 | 1317 | o->op_private = i; |
79072805 LW |
1318 | return 0; |
1319 | } | |
1320 | ||
1321 | int | |
864dbfa3 | 1322 | Perl_magic_getarylen(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1323 | { |
3280af22 | 1324 | sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + PL_curcop->cop_arybase); |
79072805 LW |
1325 | return 0; |
1326 | } | |
1327 | ||
1328 | int | |
864dbfa3 | 1329 | Perl_magic_setarylen(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1330 | { |
3280af22 | 1331 | av_fill((AV*)mg->mg_obj, SvIV(sv) - PL_curcop->cop_arybase); |
a0d0e21e LW |
1332 | return 0; |
1333 | } | |
1334 | ||
1335 | int | |
864dbfa3 | 1336 | Perl_magic_getpos(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e LW |
1337 | { |
1338 | SV* lsv = LvTARG(sv); | |
ac27b0f5 | 1339 | |
a0d0e21e | 1340 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) { |
14befaf4 | 1341 | mg = mg_find(lsv, PERL_MAGIC_regex_global); |
565764a8 | 1342 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 1343 | I32 i = mg->mg_len; |
7e2040f0 | 1344 | if (DO_UTF8(lsv)) |
a0ed51b3 LW |
1345 | sv_pos_b2u(lsv, &i); |
1346 | sv_setiv(sv, i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
1347 | return 0; |
1348 | } | |
1349 | } | |
1350 | (void)SvOK_off(sv); | |
1351 | return 0; | |
1352 | } | |
1353 | ||
1354 | int | |
864dbfa3 | 1355 | Perl_magic_setpos(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e LW |
1356 | { |
1357 | SV* lsv = LvTARG(sv); | |
1358 | SSize_t pos; | |
1359 | STRLEN len; | |
c00206c8 | 1360 | STRLEN ulen = 0; |
a0d0e21e LW |
1361 | |
1362 | mg = 0; | |
ac27b0f5 | 1363 | |
a0d0e21e | 1364 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) |
14befaf4 | 1365 | mg = mg_find(lsv, PERL_MAGIC_regex_global); |
a0d0e21e LW |
1366 | if (!mg) { |
1367 | if (!SvOK(sv)) | |
1368 | return 0; | |
14befaf4 DM |
1369 | sv_magic(lsv, (SV*)0, PERL_MAGIC_regex_global, Nullch, 0); |
1370 | mg = mg_find(lsv, PERL_MAGIC_regex_global); | |
a0d0e21e LW |
1371 | } |
1372 | else if (!SvOK(sv)) { | |
565764a8 | 1373 | mg->mg_len = -1; |
a0d0e21e LW |
1374 | return 0; |
1375 | } | |
1376 | len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv); | |
1377 | ||
c485e607 | 1378 | pos = SvIV(sv) - PL_curcop->cop_arybase; |
a0ed51b3 | 1379 | |
7e2040f0 | 1380 | if (DO_UTF8(lsv)) { |
a0ed51b3 LW |
1381 | ulen = sv_len_utf8(lsv); |
1382 | if (ulen) | |
1383 | len = ulen; | |
a0ed51b3 LW |
1384 | } |
1385 | ||
a0d0e21e LW |
1386 | if (pos < 0) { |
1387 | pos += len; | |
1388 | if (pos < 0) | |
1389 | pos = 0; | |
1390 | } | |
1391 | else if (pos > len) | |
1392 | pos = len; | |
a0ed51b3 LW |
1393 | |
1394 | if (ulen) { | |
1395 | I32 p = pos; | |
1396 | sv_pos_u2b(lsv, &p, 0); | |
1397 | pos = p; | |
1398 | } | |
1399 | ||
565764a8 | 1400 | mg->mg_len = pos; |
71be2cbc | 1401 | mg->mg_flags &= ~MGf_MINMATCH; |
a0d0e21e | 1402 | |
79072805 LW |
1403 | return 0; |
1404 | } | |
1405 | ||
1406 | int | |
864dbfa3 | 1407 | Perl_magic_getglob(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1408 | { |
8646b087 | 1409 | if (SvFAKE(sv)) { /* FAKE globs can get coerced */ |
1410 | SvFAKE_off(sv); | |
946ec16e | 1411 | gv_efullname3(sv,((GV*)sv), "*"); |
8646b087 | 1412 | SvFAKE_on(sv); |
1413 | } | |
1414 | else | |
946ec16e | 1415 | gv_efullname3(sv,((GV*)sv), "*"); /* a gv value, be nice */ |
79072805 LW |
1416 | return 0; |
1417 | } | |
1418 | ||
1419 | int | |
864dbfa3 | 1420 | Perl_magic_setglob(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
1421 | { |
1422 | register char *s; | |
1423 | GV* gv; | |
2d8e6c8d | 1424 | STRLEN n_a; |
79072805 LW |
1425 | |
1426 | if (!SvOK(sv)) | |
1427 | return 0; | |
2d8e6c8d | 1428 | s = SvPV(sv, n_a); |
79072805 LW |
1429 | if (*s == '*' && s[1]) |
1430 | s++; | |
85e6fe83 | 1431 | gv = gv_fetchpv(s,TRUE, SVt_PVGV); |
79072805 LW |
1432 | if (sv == (SV*)gv) |
1433 | return 0; | |
1434 | if (GvGP(sv)) | |
88e89b8a | 1435 | gp_free((GV*)sv); |
79072805 | 1436 | GvGP(sv) = gp_ref(GvGP(gv)); |
79072805 LW |
1437 | return 0; |
1438 | } | |
1439 | ||
1440 | int | |
864dbfa3 | 1441 | Perl_magic_getsubstr(pTHX_ SV *sv, MAGIC *mg) |
6ff81951 GS |
1442 | { |
1443 | STRLEN len; | |
1444 | SV *lsv = LvTARG(sv); | |
1445 | char *tmps = SvPV(lsv,len); | |
1446 | I32 offs = LvTARGOFF(sv); | |
1447 | I32 rem = LvTARGLEN(sv); | |
1448 | ||
9aa983d2 JH |
1449 | if (SvUTF8(lsv)) |
1450 | sv_pos_u2b(lsv, &offs, &rem); | |
6ff81951 GS |
1451 | if (offs > len) |
1452 | offs = len; | |
1453 | if (rem + offs > len) | |
1454 | rem = len - offs; | |
1455 | sv_setpvn(sv, tmps + offs, (STRLEN)rem); | |
9aa983d2 | 1456 | if (SvUTF8(lsv)) |
2ef4b674 | 1457 | SvUTF8_on(sv); |
6ff81951 GS |
1458 | return 0; |
1459 | } | |
1460 | ||
1461 | int | |
864dbfa3 | 1462 | Perl_magic_setsubstr(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1463 | { |
9aa983d2 JH |
1464 | STRLEN len; |
1465 | char *tmps = SvPV(sv, len); | |
1466 | SV *lsv = LvTARG(sv); | |
1467 | I32 lvoff = LvTARGOFF(sv); | |
1468 | I32 lvlen = LvTARGLEN(sv); | |
075a4a2b | 1469 | |
1aa99e6b | 1470 | if (DO_UTF8(sv)) { |
9aa983d2 JH |
1471 | sv_utf8_upgrade(lsv); |
1472 | sv_pos_u2b(lsv, &lvoff, &lvlen); | |
1473 | sv_insert(lsv, lvoff, lvlen, tmps, len); | |
1474 | SvUTF8_on(lsv); | |
1475 | } | |
1476 | else if (SvUTF8(lsv)) { | |
1477 | sv_pos_u2b(lsv, &lvoff, &lvlen); | |
e95af362 | 1478 | tmps = (char*)bytes_to_utf8((U8*)tmps, &len); |
9aa983d2 JH |
1479 | sv_insert(lsv, lvoff, lvlen, tmps, len); |
1480 | Safefree(tmps); | |
1aa99e6b IH |
1481 | } |
1482 | else | |
9aa983d2 | 1483 | sv_insert(lsv, lvoff, lvlen, tmps, len); |
1aa99e6b | 1484 | |
79072805 LW |
1485 | return 0; |
1486 | } | |
1487 | ||
1488 | int | |
864dbfa3 | 1489 | Perl_magic_gettaint(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1490 | { |
565764a8 | 1491 | TAINT_IF((mg->mg_len & 1) || |
155aba94 | 1492 | ((mg->mg_len & 2) && mg->mg_obj == sv)); /* kludge */ |
463ee0b2 LW |
1493 | return 0; |
1494 | } | |
1495 | ||
1496 | int | |
864dbfa3 | 1497 | Perl_magic_settaint(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1498 | { |
3280af22 NIS |
1499 | if (PL_localizing) { |
1500 | if (PL_localizing == 1) | |
565764a8 | 1501 | mg->mg_len <<= 1; |
748a9306 | 1502 | else |
565764a8 | 1503 | mg->mg_len >>= 1; |
a0d0e21e | 1504 | } |
3280af22 | 1505 | else if (PL_tainted) |
565764a8 | 1506 | mg->mg_len |= 1; |
748a9306 | 1507 | else |
565764a8 | 1508 | mg->mg_len &= ~1; |
463ee0b2 LW |
1509 | return 0; |
1510 | } | |
1511 | ||
1512 | int | |
864dbfa3 | 1513 | Perl_magic_getvec(pTHX_ SV *sv, MAGIC *mg) |
6ff81951 GS |
1514 | { |
1515 | SV *lsv = LvTARG(sv); | |
6ff81951 GS |
1516 | |
1517 | if (!lsv) { | |
155aba94 | 1518 | (void)SvOK_off(sv); |
6ff81951 GS |
1519 | return 0; |
1520 | } | |
6ff81951 | 1521 | |
81e118e0 | 1522 | sv_setuv(sv, do_vecget(lsv, LvTARGOFF(sv), LvTARGLEN(sv))); |
6ff81951 GS |
1523 | return 0; |
1524 | } | |
1525 | ||
1526 | int | |
864dbfa3 | 1527 | Perl_magic_setvec(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
1528 | { |
1529 | do_vecset(sv); /* XXX slurp this routine */ | |
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | int | |
864dbfa3 | 1534 | Perl_magic_getdefelem(pTHX_ SV *sv, MAGIC *mg) |
5f05dabc | 1535 | { |
71be2cbc | 1536 | SV *targ = Nullsv; |
5f05dabc | 1537 | if (LvTARGLEN(sv)) { |
68dc0745 | 1538 | if (mg->mg_obj) { |
74e13ce4 GS |
1539 | SV *ahv = LvTARG(sv); |
1540 | if (SvTYPE(ahv) == SVt_PVHV) { | |
1541 | HE *he = hv_fetch_ent((HV*)ahv, mg->mg_obj, FALSE, 0); | |
1542 | if (he) | |
1543 | targ = HeVAL(he); | |
1544 | } | |
1545 | else { | |
1546 | SV **svp = avhv_fetch_ent((AV*)ahv, mg->mg_obj, FALSE, 0); | |
1547 | if (svp) | |
1548 | targ = *svp; | |
1549 | } | |
68dc0745 | 1550 | } |
1551 | else { | |
3c78fafa | 1552 | AV* av = (AV*)LvTARG(sv); |
68dc0745 | 1553 | if ((I32)LvTARGOFF(sv) <= AvFILL(av)) |
1554 | targ = AvARRAY(av)[LvTARGOFF(sv)]; | |
1555 | } | |
3280af22 | 1556 | if (targ && targ != &PL_sv_undef) { |
68dc0745 | 1557 | /* somebody else defined it for us */ |
1558 | SvREFCNT_dec(LvTARG(sv)); | |
1559 | LvTARG(sv) = SvREFCNT_inc(targ); | |
1560 | LvTARGLEN(sv) = 0; | |
1561 | SvREFCNT_dec(mg->mg_obj); | |
1562 | mg->mg_obj = Nullsv; | |
1563 | mg->mg_flags &= ~MGf_REFCOUNTED; | |
1564 | } | |
5f05dabc | 1565 | } |
71be2cbc | 1566 | else |
1567 | targ = LvTARG(sv); | |
3280af22 | 1568 | sv_setsv(sv, targ ? targ : &PL_sv_undef); |
71be2cbc | 1569 | return 0; |
1570 | } | |
1571 | ||
1572 | int | |
864dbfa3 | 1573 | Perl_magic_setdefelem(pTHX_ SV *sv, MAGIC *mg) |
71be2cbc | 1574 | { |
1575 | if (LvTARGLEN(sv)) | |
68dc0745 | 1576 | vivify_defelem(sv); |
1577 | if (LvTARG(sv)) { | |
5f05dabc | 1578 | sv_setsv(LvTARG(sv), sv); |
68dc0745 | 1579 | SvSETMAGIC(LvTARG(sv)); |
1580 | } | |
5f05dabc | 1581 | return 0; |
1582 | } | |
1583 | ||
71be2cbc | 1584 | void |
864dbfa3 | 1585 | Perl_vivify_defelem(pTHX_ SV *sv) |
71be2cbc | 1586 | { |
74e13ce4 GS |
1587 | MAGIC *mg; |
1588 | SV *value = Nullsv; | |
71be2cbc | 1589 | |
14befaf4 | 1590 | if (!LvTARGLEN(sv) || !(mg = mg_find(sv, PERL_MAGIC_defelem))) |
71be2cbc | 1591 | return; |
68dc0745 | 1592 | if (mg->mg_obj) { |
74e13ce4 | 1593 | SV *ahv = LvTARG(sv); |
2d8e6c8d | 1594 | STRLEN n_a; |
74e13ce4 | 1595 | if (SvTYPE(ahv) == SVt_PVHV) { |
af7f9c15 | 1596 | HE *he = hv_fetch_ent((HV*)ahv, mg->mg_obj, TRUE, 0); |
74e13ce4 GS |
1597 | if (he) |
1598 | value = HeVAL(he); | |
1599 | } | |
1600 | else { | |
af7f9c15 | 1601 | SV **svp = avhv_fetch_ent((AV*)ahv, mg->mg_obj, TRUE, 0); |
74e13ce4 GS |
1602 | if (svp) |
1603 | value = *svp; | |
1604 | } | |
3280af22 | 1605 | if (!value || value == &PL_sv_undef) |
cea2e8a9 | 1606 | Perl_croak(aTHX_ PL_no_helem, SvPV(mg->mg_obj, n_a)); |
71be2cbc | 1607 | } |
68dc0745 | 1608 | else { |
1609 | AV* av = (AV*)LvTARG(sv); | |
5aabfad6 | 1610 | if ((I32)LvTARGLEN(sv) < 0 && (I32)LvTARGOFF(sv) > AvFILL(av)) |
68dc0745 | 1611 | LvTARG(sv) = Nullsv; /* array can't be extended */ |
1612 | else { | |
1613 | SV** svp = av_fetch(av, LvTARGOFF(sv), TRUE); | |
3280af22 | 1614 | if (!svp || (value = *svp) == &PL_sv_undef) |
cea2e8a9 | 1615 | Perl_croak(aTHX_ PL_no_aelem, (I32)LvTARGOFF(sv)); |
68dc0745 | 1616 | } |
1617 | } | |
3e3baf6d | 1618 | (void)SvREFCNT_inc(value); |
68dc0745 | 1619 | SvREFCNT_dec(LvTARG(sv)); |
1620 | LvTARG(sv) = value; | |
71be2cbc | 1621 | LvTARGLEN(sv) = 0; |
68dc0745 | 1622 | SvREFCNT_dec(mg->mg_obj); |
1623 | mg->mg_obj = Nullsv; | |
1624 | mg->mg_flags &= ~MGf_REFCOUNTED; | |
5f05dabc | 1625 | } |
1626 | ||
1627 | int | |
864dbfa3 | 1628 | Perl_magic_killbackrefs(pTHX_ SV *sv, MAGIC *mg) |
810b8aa5 GS |
1629 | { |
1630 | AV *av = (AV*)mg->mg_obj; | |
1631 | SV **svp = AvARRAY(av); | |
1632 | I32 i = AvFILLp(av); | |
1633 | while (i >= 0) { | |
1634 | if (svp[i] && svp[i] != &PL_sv_undef) { | |
1635 | if (!SvWEAKREF(svp[i])) | |
cea2e8a9 | 1636 | Perl_croak(aTHX_ "panic: magic_killbackrefs"); |
810b8aa5 GS |
1637 | /* XXX Should we check that it hasn't changed? */ |
1638 | SvRV(svp[i]) = 0; | |
155aba94 | 1639 | (void)SvOK_off(svp[i]); |
810b8aa5 GS |
1640 | SvWEAKREF_off(svp[i]); |
1641 | svp[i] = &PL_sv_undef; | |
1642 | } | |
1643 | i--; | |
1644 | } | |
1645 | return 0; | |
1646 | } | |
1647 | ||
1648 | int | |
864dbfa3 | 1649 | Perl_magic_setmglob(pTHX_ SV *sv, MAGIC *mg) |
93a17b20 | 1650 | { |
565764a8 | 1651 | mg->mg_len = -1; |
c6496cc7 | 1652 | SvSCREAM_off(sv); |
93a17b20 LW |
1653 | return 0; |
1654 | } | |
1655 | ||
1656 | int | |
864dbfa3 | 1657 | Perl_magic_setbm(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1658 | { |
14befaf4 | 1659 | sv_unmagic(sv, PERL_MAGIC_bm); |
79072805 LW |
1660 | SvVALID_off(sv); |
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | int | |
864dbfa3 | 1665 | Perl_magic_setfm(pTHX_ SV *sv, MAGIC *mg) |
55497cff | 1666 | { |
14befaf4 | 1667 | sv_unmagic(sv, PERL_MAGIC_fm); |
55497cff | 1668 | SvCOMPILED_off(sv); |
1669 | return 0; | |
1670 | } | |
1671 | ||
1672 | int | |
864dbfa3 | 1673 | Perl_magic_setuvar(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
1674 | { |
1675 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; | |
1676 | ||
1677 | if (uf && uf->uf_set) | |
24f81a43 | 1678 | (*uf->uf_set)(aTHX_ uf->uf_index, sv); |
79072805 LW |
1679 | return 0; |
1680 | } | |
1681 | ||
c277df42 | 1682 | int |
864dbfa3 | 1683 | Perl_magic_freeregexp(pTHX_ SV *sv, MAGIC *mg) |
c277df42 IZ |
1684 | { |
1685 | regexp *re = (regexp *)mg->mg_obj; | |
1686 | ReREFCNT_dec(re); | |
1687 | return 0; | |
1688 | } | |
1689 | ||
7a4c00b4 | 1690 | #ifdef USE_LOCALE_COLLATE |
79072805 | 1691 | int |
864dbfa3 | 1692 | Perl_magic_setcollxfrm(pTHX_ SV *sv, MAGIC *mg) |
bbce6d69 | 1693 | { |
1694 | /* | |
838b5b74 | 1695 | * RenE<eacute> Descartes said "I think not." |
bbce6d69 | 1696 | * and vanished with a faint plop. |
1697 | */ | |
7a4c00b4 | 1698 | if (mg->mg_ptr) { |
1699 | Safefree(mg->mg_ptr); | |
1700 | mg->mg_ptr = NULL; | |
565764a8 | 1701 | mg->mg_len = -1; |
7a4c00b4 | 1702 | } |
bbce6d69 | 1703 | return 0; |
1704 | } | |
7a4c00b4 | 1705 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 1706 | |
1707 | int | |
864dbfa3 | 1708 | Perl_magic_set(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
1709 | { |
1710 | register char *s; | |
1711 | I32 i; | |
8990e307 | 1712 | STRLEN len; |
79072805 | 1713 | switch (*mg->mg_ptr) { |
748a9306 | 1714 | case '\001': /* ^A */ |
3280af22 | 1715 | sv_setsv(PL_bodytarget, sv); |
748a9306 | 1716 | break; |
49460fe6 NIS |
1717 | case '\003': /* ^C */ |
1718 | PL_minus_c = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); | |
1719 | break; | |
1720 | ||
79072805 | 1721 | case '\004': /* ^D */ |
aea4f609 | 1722 | PL_debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | DEBUG_TOP_FLAG; |
79072805 LW |
1723 | DEBUG_x(dump_all()); |
1724 | break; | |
28f23441 | 1725 | case '\005': /* ^E */ |
cd39f2b6 | 1726 | #ifdef MACOS_TRADITIONAL |
bf4acbe4 | 1727 | gMacPerl_OSErr = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
28f23441 | 1728 | #else |
cd39f2b6 JH |
1729 | # ifdef VMS |
1730 | set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); | |
048c1ddf | 1731 | # else |
cd39f2b6 JH |
1732 | # ifdef WIN32 |
1733 | SetLastError( SvIV(sv) ); | |
1734 | # else | |
1735 | # ifndef OS2 | |
f86702cc | 1736 | /* will anyone ever use this? */ |
1737 | SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4); | |
cd39f2b6 | 1738 | # endif |
048c1ddf IZ |
1739 | # endif |
1740 | # endif | |
22fae026 | 1741 | #endif |
28f23441 | 1742 | break; |
79072805 | 1743 | case '\006': /* ^F */ |
3280af22 | 1744 | PL_maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 | 1745 | break; |
a0d0e21e | 1746 | case '\010': /* ^H */ |
3280af22 | 1747 | PL_hints = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
a0d0e21e | 1748 | break; |
9d116dd7 | 1749 | case '\011': /* ^I */ /* NOT \t in EBCDIC */ |
3280af22 NIS |
1750 | if (PL_inplace) |
1751 | Safefree(PL_inplace); | |
79072805 | 1752 | if (SvOK(sv)) |
2d8e6c8d | 1753 | PL_inplace = savepv(SvPV(sv,len)); |
79072805 | 1754 | else |
3280af22 | 1755 | PL_inplace = Nullch; |
79072805 | 1756 | break; |
28f23441 | 1757 | case '\017': /* ^O */ |
ac27b0f5 NIS |
1758 | if (*(mg->mg_ptr+1) == '\0') { |
1759 | if (PL_osname) | |
1760 | Safefree(PL_osname); | |
1761 | if (SvOK(sv)) | |
1762 | PL_osname = savepv(SvPV(sv,len)); | |
1763 | else | |
1764 | PL_osname = Nullch; | |
1765 | } | |
1766 | else if (strEQ(mg->mg_ptr, "\017PEN")) { | |
1767 | if (!PL_compiling.cop_io) | |
1768 | PL_compiling.cop_io = newSVsv(sv); | |
1769 | else | |
1770 | sv_setsv(PL_compiling.cop_io,sv); | |
1771 | } | |
28f23441 | 1772 | break; |
79072805 | 1773 | case '\020': /* ^P */ |
3280af22 | 1774 | PL_perldb = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1ee4443e IZ |
1775 | if (PL_perldb && !PL_DBsingle) |
1776 | init_debugger(); | |
79072805 LW |
1777 | break; |
1778 | case '\024': /* ^T */ | |
88e89b8a | 1779 | #ifdef BIG_TIME |
6b88bc9c | 1780 | PL_basetime = (Time_t)(SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv)); |
88e89b8a | 1781 | #else |
3280af22 | 1782 | PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
88e89b8a | 1783 | #endif |
79072805 | 1784 | break; |
46487f74 | 1785 | case '\027': /* ^W & $^WARNING_BITS & ^WIDE_SYSTEM_CALLS */ |
4438c4b7 JH |
1786 | if (*(mg->mg_ptr+1) == '\0') { |
1787 | if ( ! (PL_dowarn & G_WARN_ALL_MASK)) { | |
1788 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); | |
ac27b0f5 | 1789 | PL_dowarn = (PL_dowarn & ~G_WARN_ON) |
0453d815 | 1790 | | (i ? G_WARN_ON : G_WARN_OFF) ; |
4438c4b7 | 1791 | } |
599cee73 | 1792 | } |
6a818117 | 1793 | else if (strEQ(mg->mg_ptr, "\027ARNING_BITS")) { |
4438c4b7 | 1794 | if ( ! (PL_dowarn & G_WARN_ALL_MASK)) { |
d775746e GS |
1795 | if (!SvPOK(sv) && PL_localizing) { |
1796 | sv_setpvn(sv, WARN_NONEstring, WARNsize); | |
d3a7d8c7 | 1797 | PL_compiling.cop_warnings = pWARN_NONE; |
d775746e GS |
1798 | break; |
1799 | } | |
f4fc7782 | 1800 | { |
b5477537 | 1801 | STRLEN len, i; |
d3a7d8c7 | 1802 | int accumulate = 0 ; |
f4fc7782 | 1803 | int any_fatals = 0 ; |
d3a7d8c7 | 1804 | char * ptr = (char*)SvPV(sv, len) ; |
f4fc7782 JH |
1805 | for (i = 0 ; i < len ; ++i) { |
1806 | accumulate |= ptr[i] ; | |
1807 | any_fatals |= (ptr[i] & 0xAA) ; | |
1808 | } | |
d3a7d8c7 GS |
1809 | if (!accumulate) |
1810 | PL_compiling.cop_warnings = pWARN_NONE; | |
f4fc7782 JH |
1811 | else if (isWARN_on(sv, WARN_ALL) && !any_fatals) { |
1812 | PL_compiling.cop_warnings = pWARN_ALL; | |
1813 | PL_dowarn |= G_WARN_ONCE ; | |
1814 | } | |
d3a7d8c7 GS |
1815 | else { |
1816 | if (specialWARN(PL_compiling.cop_warnings)) | |
1817 | PL_compiling.cop_warnings = newSVsv(sv) ; | |
1818 | else | |
1819 | sv_setsv(PL_compiling.cop_warnings, sv); | |
1820 | if (isWARN_on(PL_compiling.cop_warnings, WARN_ONCE)) | |
1821 | PL_dowarn |= G_WARN_ONCE ; | |
1822 | } | |
f4fc7782 | 1823 | |
d3a7d8c7 | 1824 | } |
4438c4b7 | 1825 | } |
971a9dd3 | 1826 | } |
46487f74 GS |
1827 | else if (strEQ(mg->mg_ptr, "\027IDE_SYSTEM_CALLS")) |
1828 | PL_widesyscalls = SvTRUE(sv); | |
79072805 LW |
1829 | break; |
1830 | case '.': | |
3280af22 NIS |
1831 | if (PL_localizing) { |
1832 | if (PL_localizing == 1) | |
7766f137 | 1833 | SAVESPTR(PL_last_in_gv); |
748a9306 | 1834 | } |
3280af22 NIS |
1835 | else if (SvOK(sv) && GvIO(PL_last_in_gv)) |
1836 | IoLINES(GvIOp(PL_last_in_gv)) = (long)SvIV(sv); | |
79072805 LW |
1837 | break; |
1838 | case '^': | |
3280af22 | 1839 | Safefree(IoTOP_NAME(GvIOp(PL_defoutgv))); |
2d8e6c8d | 1840 | IoTOP_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,len)); |
3280af22 | 1841 | IoTOP_GV(GvIOp(PL_defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 LW |
1842 | break; |
1843 | case '~': | |
3280af22 | 1844 | Safefree(IoFMT_NAME(GvIOp(PL_defoutgv))); |
2d8e6c8d | 1845 | IoFMT_NAME(GvIOp(PL_defoutgv)) = s = savepv(SvPV(sv,len)); |
3280af22 | 1846 | IoFMT_GV(GvIOp(PL_defoutgv)) = gv_fetchpv(s,TRUE, SVt_PVIO); |
79072805 LW |
1847 | break; |
1848 | case '=': | |
3280af22 | 1849 | IoPAGE_LEN(GvIOp(PL_defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
1850 | break; |
1851 | case '-': | |
3280af22 NIS |
1852 | IoLINES_LEFT(GvIOp(PL_defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
1853 | if (IoLINES_LEFT(GvIOp(PL_defoutgv)) < 0L) | |
1854 | IoLINES_LEFT(GvIOp(PL_defoutgv)) = 0L; | |
79072805 LW |
1855 | break; |
1856 | case '%': | |
3280af22 | 1857 | IoPAGE(GvIOp(PL_defoutgv)) = (long)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
1858 | break; |
1859 | case '|': | |
4b65379b | 1860 | { |
3280af22 | 1861 | IO *io = GvIOp(PL_defoutgv); |
4b65379b CS |
1862 | if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) == 0) |
1863 | IoFLAGS(io) &= ~IOf_FLUSH; | |
1864 | else { | |
1865 | if (!(IoFLAGS(io) & IOf_FLUSH)) { | |
1866 | PerlIO *ofp = IoOFP(io); | |
1867 | if (ofp) | |
1868 | (void)PerlIO_flush(ofp); | |
1869 | IoFLAGS(io) |= IOf_FLUSH; | |
1870 | } | |
1871 | } | |
79072805 LW |
1872 | } |
1873 | break; | |
1874 | case '*': | |
463ee0b2 | 1875 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
3280af22 | 1876 | PL_multiline = (i != 0); |
79072805 LW |
1877 | break; |
1878 | case '/': | |
3280af22 NIS |
1879 | SvREFCNT_dec(PL_nrs); |
1880 | PL_nrs = newSVsv(sv); | |
1881 | SvREFCNT_dec(PL_rs); | |
1882 | PL_rs = SvREFCNT_inc(PL_nrs); | |
79072805 LW |
1883 | break; |
1884 | case '\\': | |
7889fe52 NIS |
1885 | if (PL_ors_sv) |
1886 | SvREFCNT_dec(PL_ors_sv); | |
009c130f | 1887 | if (SvOK(sv) || SvGMAGICAL(sv)) { |
7889fe52 | 1888 | PL_ors_sv = newSVsv(sv); |
009c130f | 1889 | } |
e3c19b7b | 1890 | else { |
7889fe52 | 1891 | PL_ors_sv = Nullsv; |
e3c19b7b | 1892 | } |
79072805 LW |
1893 | break; |
1894 | case ',': | |
7889fe52 NIS |
1895 | if (PL_ofs_sv) |
1896 | SvREFCNT_dec(PL_ofs_sv); | |
1897 | if (SvOK(sv) || SvGMAGICAL(sv)) { | |
1898 | PL_ofs_sv = newSVsv(sv); | |
1899 | } | |
1900 | else { | |
1901 | PL_ofs_sv = Nullsv; | |
1902 | } | |
79072805 LW |
1903 | break; |
1904 | case '#': | |
3280af22 NIS |
1905 | if (PL_ofmt) |
1906 | Safefree(PL_ofmt); | |
2d8e6c8d | 1907 | PL_ofmt = savepv(SvPV(sv,len)); |
79072805 LW |
1908 | break; |
1909 | case '[': | |
3280af22 | 1910 | PL_compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
1911 | break; |
1912 | case '?': | |
ff0cee69 | 1913 | #ifdef COMPLEX_STATUS |
6b88bc9c GS |
1914 | if (PL_localizing == 2) { |
1915 | PL_statusvalue = LvTARGOFF(sv); | |
1916 | PL_statusvalue_vms = LvTARGLEN(sv); | |
ff0cee69 | 1917 | } |
1918 | else | |
1919 | #endif | |
1920 | #ifdef VMSISH_STATUS | |
1921 | if (VMSISH_STATUS) | |
1922 | STATUS_NATIVE_SET((U32)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))); | |
1923 | else | |
1924 | #endif | |
1925 | STATUS_POSIX_SET(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); | |
79072805 LW |
1926 | break; |
1927 | case '!': | |
78987ded | 1928 | SETERRNO(SvIOK(sv) ? SvIVX(sv) : SvOK(sv) ? sv_2iv(sv) : 0, |
f86702cc | 1929 | (SvIV(sv) == EVMSERR) ? 4 : vaxc$errno); |
79072805 LW |
1930 | break; |
1931 | case '<': | |
3280af22 NIS |
1932 | PL_uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1933 | if (PL_delaymagic) { | |
1934 | PL_delaymagic |= DM_RUID; | |
79072805 LW |
1935 | break; /* don't do magic till later */ |
1936 | } | |
1937 | #ifdef HAS_SETRUID | |
b28d0864 | 1938 | (void)setruid((Uid_t)PL_uid); |
79072805 LW |
1939 | #else |
1940 | #ifdef HAS_SETREUID | |
3280af22 | 1941 | (void)setreuid((Uid_t)PL_uid, (Uid_t)-1); |
748a9306 | 1942 | #else |
85e6fe83 | 1943 | #ifdef HAS_SETRESUID |
b28d0864 | 1944 | (void)setresuid((Uid_t)PL_uid, (Uid_t)-1, (Uid_t)-1); |
79072805 | 1945 | #else |
b28d0864 NIS |
1946 | if (PL_uid == PL_euid) /* special case $< = $> */ |
1947 | (void)PerlProc_setuid(PL_uid); | |
a0d0e21e | 1948 | else { |
d8eceb89 | 1949 | PL_uid = PerlProc_getuid(); |
cea2e8a9 | 1950 | Perl_croak(aTHX_ "setruid() not implemented"); |
a0d0e21e | 1951 | } |
79072805 LW |
1952 | #endif |
1953 | #endif | |
85e6fe83 | 1954 | #endif |
d8eceb89 | 1955 | PL_uid = PerlProc_getuid(); |
3280af22 | 1956 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
1957 | break; |
1958 | case '>': | |
3280af22 NIS |
1959 | PL_euid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1960 | if (PL_delaymagic) { | |
1961 | PL_delaymagic |= DM_EUID; | |
79072805 LW |
1962 | break; /* don't do magic till later */ |
1963 | } | |
1964 | #ifdef HAS_SETEUID | |
3280af22 | 1965 | (void)seteuid((Uid_t)PL_euid); |
79072805 LW |
1966 | #else |
1967 | #ifdef HAS_SETREUID | |
b28d0864 | 1968 | (void)setreuid((Uid_t)-1, (Uid_t)PL_euid); |
85e6fe83 LW |
1969 | #else |
1970 | #ifdef HAS_SETRESUID | |
6b88bc9c | 1971 | (void)setresuid((Uid_t)-1, (Uid_t)PL_euid, (Uid_t)-1); |
79072805 | 1972 | #else |
b28d0864 NIS |
1973 | if (PL_euid == PL_uid) /* special case $> = $< */ |
1974 | PerlProc_setuid(PL_euid); | |
a0d0e21e | 1975 | else { |
e8ee3774 | 1976 | PL_euid = PerlProc_geteuid(); |
cea2e8a9 | 1977 | Perl_croak(aTHX_ "seteuid() not implemented"); |
a0d0e21e | 1978 | } |
79072805 LW |
1979 | #endif |
1980 | #endif | |
85e6fe83 | 1981 | #endif |
d8eceb89 | 1982 | PL_euid = PerlProc_geteuid(); |
3280af22 | 1983 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
1984 | break; |
1985 | case '(': | |
3280af22 NIS |
1986 | PL_gid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
1987 | if (PL_delaymagic) { | |
1988 | PL_delaymagic |= DM_RGID; | |
79072805 LW |
1989 | break; /* don't do magic till later */ |
1990 | } | |
1991 | #ifdef HAS_SETRGID | |
b28d0864 | 1992 | (void)setrgid((Gid_t)PL_gid); |
79072805 LW |
1993 | #else |
1994 | #ifdef HAS_SETREGID | |
3280af22 | 1995 | (void)setregid((Gid_t)PL_gid, (Gid_t)-1); |
85e6fe83 LW |
1996 | #else |
1997 | #ifdef HAS_SETRESGID | |
b28d0864 | 1998 | (void)setresgid((Gid_t)PL_gid, (Gid_t)-1, (Gid_t) 1); |
79072805 | 1999 | #else |
b28d0864 NIS |
2000 | if (PL_gid == PL_egid) /* special case $( = $) */ |
2001 | (void)PerlProc_setgid(PL_gid); | |
748a9306 | 2002 | else { |
d8eceb89 | 2003 | PL_gid = PerlProc_getgid(); |
cea2e8a9 | 2004 | Perl_croak(aTHX_ "setrgid() not implemented"); |
748a9306 | 2005 | } |
79072805 LW |
2006 | #endif |
2007 | #endif | |
85e6fe83 | 2008 | #endif |
d8eceb89 | 2009 | PL_gid = PerlProc_getgid(); |
3280af22 | 2010 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
2011 | break; |
2012 | case ')': | |
5cd24f17 | 2013 | #ifdef HAS_SETGROUPS |
2014 | { | |
2d8e6c8d | 2015 | char *p = SvPV(sv, len); |
5cd24f17 | 2016 | Groups_t gary[NGROUPS]; |
2017 | ||
5cd24f17 | 2018 | while (isSPACE(*p)) |
2019 | ++p; | |
2d4389e4 | 2020 | PL_egid = Atol(p); |
5cd24f17 | 2021 | for (i = 0; i < NGROUPS; ++i) { |
2022 | while (*p && !isSPACE(*p)) | |
2023 | ++p; | |
2024 | while (isSPACE(*p)) | |
2025 | ++p; | |
2026 | if (!*p) | |
2027 | break; | |
2d4389e4 | 2028 | gary[i] = Atol(p); |
5cd24f17 | 2029 | } |
8cc95fdb | 2030 | if (i) |
2031 | (void)setgroups(i, gary); | |
5cd24f17 | 2032 | } |
2033 | #else /* HAS_SETGROUPS */ | |
b28d0864 | 2034 | PL_egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
5cd24f17 | 2035 | #endif /* HAS_SETGROUPS */ |
3280af22 NIS |
2036 | if (PL_delaymagic) { |
2037 | PL_delaymagic |= DM_EGID; | |
79072805 LW |
2038 | break; /* don't do magic till later */ |
2039 | } | |
2040 | #ifdef HAS_SETEGID | |
3280af22 | 2041 | (void)setegid((Gid_t)PL_egid); |
79072805 LW |
2042 | #else |
2043 | #ifdef HAS_SETREGID | |
b28d0864 | 2044 | (void)setregid((Gid_t)-1, (Gid_t)PL_egid); |
85e6fe83 LW |
2045 | #else |
2046 | #ifdef HAS_SETRESGID | |
b28d0864 | 2047 | (void)setresgid((Gid_t)-1, (Gid_t)PL_egid, (Gid_t)-1); |
79072805 | 2048 | #else |
b28d0864 NIS |
2049 | if (PL_egid == PL_gid) /* special case $) = $( */ |
2050 | (void)PerlProc_setgid(PL_egid); | |
748a9306 | 2051 | else { |
d8eceb89 | 2052 | PL_egid = PerlProc_getegid(); |
cea2e8a9 | 2053 | Perl_croak(aTHX_ "setegid() not implemented"); |
748a9306 | 2054 | } |
79072805 LW |
2055 | #endif |
2056 | #endif | |
85e6fe83 | 2057 | #endif |
d8eceb89 | 2058 | PL_egid = PerlProc_getegid(); |
3280af22 | 2059 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
2060 | break; |
2061 | case ':': | |
2d8e6c8d | 2062 | PL_chopset = SvPV_force(sv,len); |
79072805 | 2063 | break; |
cd39f2b6 | 2064 | #ifndef MACOS_TRADITIONAL |
79072805 | 2065 | case '0': |
4bc88a62 PS |
2066 | #ifdef HAS_SETPROCTITLE |
2067 | /* The BSDs don't show the argv[] in ps(1) output, they | |
2068 | * show a string from the process struct and provide | |
2069 | * the setproctitle() routine to manipulate that. */ | |
2070 | { | |
2071 | s = SvPV(sv, len); | |
9aad2c0e JH |
2072 | # if __FreeBSD_version >= 410001 |
2073 | /* The leading "-" removes the "perl: " prefix, | |
4bc88a62 PS |
2074 | * but not the "(perl) suffix from the ps(1) |
2075 | * output, because that's what ps(1) shows if the | |
2076 | * argv[] is modified. */ | |
2077 | setproctitle("-%s", s, len + 1); | |
9aad2c0e | 2078 | # else /* old FreeBSDs, NetBSD, OpenBSD, anyBSD */ |
4bc88a62 PS |
2079 | /* This doesn't really work if you assume that |
2080 | * $0 = 'foobar'; will wipe out 'perl' from the $0 | |
2081 | * because in ps(1) output the result will be like | |
2082 | * sprintf("perl: %s (perl)", s) | |
2083 | * I guess this is a security feature: | |
2084 | * one (a user process) cannot get rid of the original name. | |
2085 | * --jhi */ | |
2086 | setproctitle("%s", s); | |
2087 | # endif | |
2088 | } | |
2089 | #endif | |
3280af22 NIS |
2090 | if (!PL_origalen) { |
2091 | s = PL_origargv[0]; | |
79072805 LW |
2092 | s += strlen(s); |
2093 | /* See if all the arguments are contiguous in memory */ | |
3280af22 NIS |
2094 | for (i = 1; i < PL_origargc; i++) { |
2095 | if (PL_origargv[i] == s + 1 | |
fb73857a | 2096 | #ifdef OS2 |
6b88bc9c | 2097 | || PL_origargv[i] == s + 2 |
ac27b0f5 | 2098 | #endif |
fb73857a | 2099 | ) |
379c4362 GS |
2100 | { |
2101 | ++s; | |
2102 | s += strlen(s); /* this one is ok too */ | |
2103 | } | |
fb73857a | 2104 | else |
2105 | break; | |
79072805 | 2106 | } |
bbce6d69 | 2107 | /* can grab env area too? */ |
3280af22 | 2108 | if (PL_origenviron && (PL_origenviron[0] == s + 1 |
fb73857a | 2109 | #ifdef OS2 |
6b88bc9c | 2110 | || (PL_origenviron[0] == s + 9 && (s += 8)) |
ac27b0f5 | 2111 | #endif |
fb73857a | 2112 | )) { |
66b1d557 | 2113 | my_setenv("NoNe SuCh", Nullch); |
79072805 | 2114 | /* force copy of environment */ |
3280af22 | 2115 | for (i = 0; PL_origenviron[i]; i++) |
379c4362 GS |
2116 | if (PL_origenviron[i] == s + 1) { |
2117 | ++s; | |
2118 | s += strlen(s); | |
2119 | } | |
fb73857a | 2120 | else |
2121 | break; | |
79072805 | 2122 | } |
3280af22 | 2123 | PL_origalen = s - PL_origargv[0]; |
79072805 | 2124 | } |
a0d0e21e | 2125 | s = SvPV_force(sv,len); |
8990e307 | 2126 | i = len; |
3280af22 NIS |
2127 | if (i >= PL_origalen) { |
2128 | i = PL_origalen; | |
fb73857a | 2129 | /* don't allow system to limit $0 seen by script */ |
2130 | /* SvCUR_set(sv, i); *SvEND(sv) = '\0'; */ | |
3280af22 NIS |
2131 | Copy(s, PL_origargv[0], i, char); |
2132 | s = PL_origargv[0]+i; | |
fb73857a | 2133 | *s = '\0'; |
79072805 LW |
2134 | } |
2135 | else { | |
3280af22 NIS |
2136 | Copy(s, PL_origargv[0], i, char); |
2137 | s = PL_origargv[0]+i; | |
79072805 | 2138 | *s++ = '\0'; |
3280af22 | 2139 | while (++i < PL_origalen) |
8990e307 | 2140 | *s++ = ' '; |
3280af22 NIS |
2141 | s = PL_origargv[0]+i; |
2142 | for (i = 1; i < PL_origargc; i++) | |
2143 | PL_origargv[i] = Nullch; | |
79072805 LW |
2144 | } |
2145 | break; | |
cd39f2b6 | 2146 | #endif |
a863c7d1 MB |
2147 | #ifdef USE_THREADS |
2148 | case '@': | |
38a03e6e | 2149 | sv_setsv(thr->errsv, sv); |
a863c7d1 MB |
2150 | break; |
2151 | #endif /* USE_THREADS */ | |
79072805 LW |
2152 | } |
2153 | return 0; | |
2154 | } | |
2155 | ||
f93b4edd MB |
2156 | #ifdef USE_THREADS |
2157 | int | |
864dbfa3 | 2158 | Perl_magic_mutexfree(pTHX_ SV *sv, MAGIC *mg) |
f93b4edd | 2159 | { |
b900a521 JH |
2160 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
2161 | "0x%"UVxf": magic_mutexfree 0x%"UVxf"\n", | |
2162 | PTR2UV(thr), PTR2UV(sv));) | |
f93b4edd | 2163 | if (MgOWNER(mg)) |
cea2e8a9 | 2164 | Perl_croak(aTHX_ "panic: magic_mutexfree"); |
f93b4edd MB |
2165 | MUTEX_DESTROY(MgMUTEXP(mg)); |
2166 | COND_DESTROY(MgCONDP(mg)); | |
2167 | return 0; | |
2168 | } | |
2169 | #endif /* USE_THREADS */ | |
2170 | ||
79072805 | 2171 | I32 |
864dbfa3 | 2172 | Perl_whichsig(pTHX_ char *sig) |
79072805 LW |
2173 | { |
2174 | register char **sigv; | |
2175 | ||
22c35a8c | 2176 | for (sigv = PL_sig_name+1; *sigv; sigv++) |
79072805 | 2177 | if (strEQ(sig,*sigv)) |
22c35a8c | 2178 | return PL_sig_num[sigv - PL_sig_name]; |
79072805 LW |
2179 | #ifdef SIGCLD |
2180 | if (strEQ(sig,"CHLD")) | |
2181 | return SIGCLD; | |
2182 | #endif | |
2183 | #ifdef SIGCHLD | |
2184 | if (strEQ(sig,"CLD")) | |
2185 | return SIGCHLD; | |
2186 | #endif | |
2187 | return 0; | |
2188 | } | |
2189 | ||
84902520 TB |
2190 | static SV* sig_sv; |
2191 | ||
ecfc5424 | 2192 | Signal_t |
cea2e8a9 | 2193 | Perl_sighandler(int sig) |
79072805 | 2194 | { |
71d280e3 GS |
2195 | #if defined(WIN32) && defined(PERL_IMPLICIT_CONTEXT) |
2196 | dTHXoa(PL_curinterp); /* fake TLS, because signals don't do TLS */ | |
2197 | #else | |
cea2e8a9 | 2198 | dTHX; |
71d280e3 | 2199 | #endif |
79072805 | 2200 | dSP; |
00d579c5 | 2201 | GV *gv = Nullgv; |
a0d0e21e | 2202 | HV *st; |
b7953727 | 2203 | SV *sv = Nullsv, *tSv = PL_Sv; |
00d579c5 | 2204 | CV *cv = Nullcv; |
533c011a | 2205 | OP *myop = PL_op; |
84902520 | 2206 | U32 flags = 0; |
155aba94 | 2207 | I32 o_save_i = PL_savestack_ix; |
3280af22 | 2208 | XPV *tXpv = PL_Xpv; |
71d280e3 GS |
2209 | |
2210 | #if defined(WIN32) && defined(PERL_IMPLICIT_CONTEXT) | |
2211 | PERL_SET_THX(aTHXo); /* fake TLS, see above */ | |
2212 | #endif | |
ac27b0f5 | 2213 | |
3280af22 | 2214 | if (PL_savestack_ix + 15 <= PL_savestack_max) |
84902520 | 2215 | flags |= 1; |
3280af22 | 2216 | if (PL_markstack_ptr < PL_markstack_max - 2) |
84902520 | 2217 | flags |= 4; |
3280af22 | 2218 | if (PL_retstack_ix < PL_retstack_max - 2) |
84902520 | 2219 | flags |= 8; |
3280af22 | 2220 | if (PL_scopestack_ix < PL_scopestack_max - 3) |
84902520 TB |
2221 | flags |= 16; |
2222 | ||
22c35a8c | 2223 | if (!PL_psig_ptr[sig]) |
cea2e8a9 | 2224 | Perl_die(aTHX_ "Signal SIG%s received, but no signal handler set.\n", |
22c35a8c | 2225 | PL_sig_name[sig]); |
ff0cee69 | 2226 | |
84902520 TB |
2227 | /* Max number of items pushed there is 3*n or 4. We cannot fix |
2228 | infinity, so we fix 4 (in fact 5): */ | |
2229 | if (flags & 1) { | |
3280af22 NIS |
2230 | PL_savestack_ix += 5; /* Protect save in progress. */ |
2231 | o_save_i = PL_savestack_ix; | |
c76ac1ee | 2232 | SAVEDESTRUCTOR_X(unwind_handler_stack, (void*)&flags); |
84902520 | 2233 | } |
ac27b0f5 | 2234 | if (flags & 4) |
3280af22 | 2235 | PL_markstack_ptr++; /* Protect mark. */ |
84902520 | 2236 | if (flags & 8) { |
3280af22 NIS |
2237 | PL_retstack_ix++; |
2238 | PL_retstack[PL_retstack_ix] = NULL; | |
84902520 TB |
2239 | } |
2240 | if (flags & 16) | |
3280af22 | 2241 | PL_scopestack_ix += 1; |
84902520 | 2242 | /* sv_2cv is too complicated, try a simpler variant first: */ |
ac27b0f5 | 2243 | if (!SvROK(PL_psig_ptr[sig]) || !(cv = (CV*)SvRV(PL_psig_ptr[sig])) |
84902520 | 2244 | || SvTYPE(cv) != SVt_PVCV) |
22c35a8c | 2245 | cv = sv_2cv(PL_psig_ptr[sig],&st,&gv,TRUE); |
84902520 | 2246 | |
a0d0e21e | 2247 | if (!cv || !CvROOT(cv)) { |
599cee73 | 2248 | if (ckWARN(WARN_SIGNAL)) |
cea2e8a9 | 2249 | Perl_warner(aTHX_ WARN_SIGNAL, "SIG%s handler \"%s\" not defined.\n", |
22c35a8c | 2250 | PL_sig_name[sig], (gv ? GvENAME(gv) |
00d579c5 GS |
2251 | : ((cv && CvGV(cv)) |
2252 | ? GvENAME(CvGV(cv)) | |
2253 | : "__ANON__"))); | |
2254 | goto cleanup; | |
79072805 LW |
2255 | } |
2256 | ||
22c35a8c GS |
2257 | if(PL_psig_name[sig]) { |
2258 | sv = SvREFCNT_inc(PL_psig_name[sig]); | |
84902520 TB |
2259 | flags |= 64; |
2260 | sig_sv = sv; | |
2261 | } else { | |
ff0cee69 | 2262 | sv = sv_newmortal(); |
22c35a8c | 2263 | sv_setpv(sv,PL_sig_name[sig]); |
88e89b8a | 2264 | } |
e336de0d | 2265 | |
e788e7d3 | 2266 | PUSHSTACKi(PERLSI_SIGNAL); |
924508f0 | 2267 | PUSHMARK(SP); |
79072805 | 2268 | PUSHs(sv); |
79072805 | 2269 | PUTBACK; |
a0d0e21e | 2270 | |
1b266415 | 2271 | call_sv((SV*)cv, G_DISCARD|G_EVAL); |
79072805 | 2272 | |
d3acc0f7 | 2273 | POPSTACK; |
1b266415 | 2274 | if (SvTRUE(ERRSV)) { |
1d615522 | 2275 | #ifndef PERL_MICRO |
983dbef6 | 2276 | #ifdef HAS_SIGPROCMASK |
1b266415 NIS |
2277 | /* Handler "died", for example to get out of a restart-able read(). |
2278 | * Before we re-do that on its behalf re-enable the signal which was | |
2279 | * blocked by the system when we entered. | |
2280 | */ | |
2281 | sigset_t set; | |
2282 | sigemptyset(&set); | |
2283 | sigaddset(&set,sig); | |
2284 | sigprocmask(SIG_UNBLOCK, &set, NULL); | |
2285 | #else | |
2286 | /* Not clear if this will work */ | |
2287 | (void)rsignal(sig, SIG_IGN); | |
0a8e0eff | 2288 | (void)rsignal(sig, &Perl_csighandler); |
1b266415 | 2289 | #endif |
1d615522 | 2290 | #endif /* !PERL_MICRO */ |
1b266415 NIS |
2291 | Perl_die(aTHX_ Nullch); |
2292 | } | |
00d579c5 | 2293 | cleanup: |
84902520 | 2294 | if (flags & 1) |
3280af22 | 2295 | PL_savestack_ix -= 8; /* Unprotect save in progress. */ |
ac27b0f5 | 2296 | if (flags & 4) |
3280af22 | 2297 | PL_markstack_ptr--; |
ac27b0f5 | 2298 | if (flags & 8) |
3280af22 | 2299 | PL_retstack_ix--; |
84902520 | 2300 | if (flags & 16) |
3280af22 | 2301 | PL_scopestack_ix -= 1; |
84902520 TB |
2302 | if (flags & 64) |
2303 | SvREFCNT_dec(sv); | |
533c011a | 2304 | PL_op = myop; /* Apparently not needed... */ |
ac27b0f5 | 2305 | |
3280af22 NIS |
2306 | PL_Sv = tSv; /* Restore global temporaries. */ |
2307 | PL_Xpv = tXpv; | |
79072805 LW |
2308 | return; |
2309 | } | |
4e35701f NIS |
2310 | |
2311 | ||
51371543 | 2312 | #ifdef PERL_OBJECT |
51371543 GS |
2313 | #include "XSUB.h" |
2314 | #endif | |
2315 | ||
2316 | static void | |
2317 | restore_magic(pTHXo_ void *p) | |
2318 | { | |
48944bdf | 2319 | MGS* mgs = SSPTR(PTR2IV(p), MGS*); |
51371543 GS |
2320 | SV* sv = mgs->mgs_sv; |
2321 | ||
2322 | if (!sv) | |
2323 | return; | |
2324 | ||
2325 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) | |
2326 | { | |
2327 | if (mgs->mgs_flags) | |
2328 | SvFLAGS(sv) |= mgs->mgs_flags; | |
2329 | else | |
2330 | mg_magical(sv); | |
2331 | if (SvGMAGICAL(sv)) | |
2332 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
2333 | } | |
2334 | ||
2335 | mgs->mgs_sv = NULL; /* mark the MGS structure as restored */ | |
2336 | ||
2337 | /* If we're still on top of the stack, pop us off. (That condition | |
2338 | * will be satisfied if restore_magic was called explicitly, but *not* | |
2339 | * if it's being called via leave_scope.) | |
2340 | * The reason for doing this is that otherwise, things like sv_2cv() | |
2341 | * may leave alloc gunk on the savestack, and some code | |
2342 | * (e.g. sighandler) doesn't expect that... | |
2343 | */ | |
2344 | if (PL_savestack_ix == mgs->mgs_ss_ix) | |
2345 | { | |
2346 | I32 popval = SSPOPINT; | |
c76ac1ee | 2347 | assert(popval == SAVEt_DESTRUCTOR_X); |
51371543 GS |
2348 | PL_savestack_ix -= 2; |
2349 | popval = SSPOPINT; | |
2350 | assert(popval == SAVEt_ALLOC); | |
2351 | popval = SSPOPINT; | |
2352 | PL_savestack_ix -= popval; | |
2353 | } | |
2354 | ||
2355 | } | |
2356 | ||
2357 | static void | |
2358 | unwind_handler_stack(pTHXo_ void *p) | |
2359 | { | |
51371543 GS |
2360 | U32 flags = *(U32*)p; |
2361 | ||
2362 | if (flags & 1) | |
2363 | PL_savestack_ix -= 5; /* Unprotect save in progress. */ | |
2364 | /* cxstack_ix-- Not needed, die already unwound it. */ | |
2365 | if (flags & 64) | |
2366 | SvREFCNT_dec(sig_sv); | |
2367 | } |