Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* mg.c |
79072805 | 2 | * |
4bb101f2 | 3 | * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
cbdf9ef8 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others |
79072805 LW |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
a0d0e21e LW |
9 | */ |
10 | ||
11 | /* | |
12 | * "Sam sat on the ground and put his head in his hands. 'I wish I had never | |
13 | * come here, and I don't want to see no more magic,' he said, and fell silent." | |
79072805 LW |
14 | */ |
15 | ||
ccfc67b7 JH |
16 | /* |
17 | =head1 Magical Functions | |
166f8a29 DM |
18 | |
19 | "Magic" is special data attached to SV structures in order to give them | |
20 | "magical" properties. When any Perl code tries to read from, or assign to, | |
21 | an SV marked as magical, it calls the 'get' or 'set' function associated | |
22 | with that SV's magic. A get is called prior to reading an SV, in order to | |
ddfa107c | 23 | give it a chance to update its internal value (get on $. writes the line |
166f8a29 DM |
24 | number of the last read filehandle into to the SV's IV slot), while |
25 | set is called after an SV has been written to, in order to allow it to make | |
ddfa107c | 26 | use of its changed value (set on $/ copies the SV's new value to the |
166f8a29 DM |
27 | PL_rs global variable). |
28 | ||
29 | Magic is implemented as a linked list of MAGIC structures attached to the | |
30 | SV. Each MAGIC struct holds the type of the magic, a pointer to an array | |
31 | of functions that implement the get(), set(), length() etc functions, | |
32 | plus space for some flags and pointers. For example, a tied variable has | |
33 | a MAGIC structure that contains a pointer to the object associated with the | |
34 | tie. | |
35 | ||
ccfc67b7 JH |
36 | */ |
37 | ||
79072805 | 38 | #include "EXTERN.h" |
864dbfa3 | 39 | #define PERL_IN_MG_C |
79072805 LW |
40 | #include "perl.h" |
41 | ||
5cd24f17 | 42 | #if defined(HAS_GETGROUPS) || defined(HAS_SETGROUPS) |
188ea221 CS |
43 | # ifndef NGROUPS |
44 | # define NGROUPS 32 | |
45 | # endif | |
b7953727 JH |
46 | # ifdef I_GRP |
47 | # include <grp.h> | |
48 | # endif | |
188ea221 CS |
49 | #endif |
50 | ||
17aa7f3d JH |
51 | #ifdef __hpux |
52 | # include <sys/pstat.h> | |
53 | #endif | |
54 | ||
e69880a5 CB |
55 | Signal_t Perl_csighandler(int sig); |
56 | ||
35a4481c AL |
57 | static void restore_magic(pTHX_ const void *p); |
58 | static void unwind_handler_stack(pTHX_ const void *p); | |
51371543 | 59 | |
9cffb111 OS |
60 | #ifdef __Lynx__ |
61 | /* Missing protos on LynxOS */ | |
62 | void setruid(uid_t id); | |
63 | void seteuid(uid_t id); | |
64 | void setrgid(uid_t id); | |
65 | void setegid(uid_t id); | |
66 | #endif | |
67 | ||
c07a80fd | 68 | /* |
69 | * Use the "DESTRUCTOR" scope cleanup to reinstate magic. | |
70 | */ | |
71 | ||
72 | struct magic_state { | |
73 | SV* mgs_sv; | |
74 | U32 mgs_flags; | |
455ece5e | 75 | I32 mgs_ss_ix; |
c07a80fd | 76 | }; |
455ece5e | 77 | /* MGS is typedef'ed to struct magic_state in perl.h */ |
76e3520e GS |
78 | |
79 | STATIC void | |
8fb26106 | 80 | S_save_magic(pTHX_ I32 mgs_ix, SV *sv) |
c07a80fd | 81 | { |
455ece5e | 82 | MGS* mgs; |
c07a80fd | 83 | assert(SvMAGICAL(sv)); |
f8c7b90f | 84 | #ifdef PERL_OLD_COPY_ON_WRITE |
765f542d NC |
85 | /* Turning READONLY off for a copy-on-write scalar is a bad idea. */ |
86 | if (SvIsCOW(sv)) | |
87 | sv_force_normal(sv); | |
88 | #endif | |
c07a80fd | 89 | |
685f876f | 90 | SAVEDESTRUCTOR_X(restore_magic, INT2PTR(void*, (IV)mgs_ix)); |
455ece5e AD |
91 | |
92 | mgs = SSPTR(mgs_ix, MGS*); | |
c07a80fd | 93 | mgs->mgs_sv = sv; |
94 | mgs->mgs_flags = SvMAGICAL(sv) | SvREADONLY(sv); | |
455ece5e | 95 | mgs->mgs_ss_ix = PL_savestack_ix; /* points after the saved destructor */ |
c07a80fd | 96 | |
97 | SvMAGICAL_off(sv); | |
98 | SvREADONLY_off(sv); | |
06759ea0 | 99 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
c07a80fd | 100 | } |
101 | ||
954c1994 GS |
102 | /* |
103 | =for apidoc mg_magical | |
104 | ||
105 | Turns on the magical status of an SV. See C<sv_magic>. | |
106 | ||
107 | =cut | |
108 | */ | |
109 | ||
8990e307 | 110 | void |
864dbfa3 | 111 | Perl_mg_magical(pTHX_ SV *sv) |
8990e307 | 112 | { |
e1ec3a88 | 113 | const MAGIC* mg; |
8990e307 | 114 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
35a4481c | 115 | const MGVTBL* const vtbl = mg->mg_virtual; |
8990e307 | 116 | if (vtbl) { |
2b260de0 | 117 | if (vtbl->svt_get && !(mg->mg_flags & MGf_GSKIP)) |
8990e307 LW |
118 | SvGMAGICAL_on(sv); |
119 | if (vtbl->svt_set) | |
120 | SvSMAGICAL_on(sv); | |
2b260de0 | 121 | if (!(SvFLAGS(sv) & (SVs_GMG|SVs_SMG)) || vtbl->svt_clear) |
8990e307 LW |
122 | SvRMAGICAL_on(sv); |
123 | } | |
124 | } | |
125 | } | |
126 | ||
954c1994 GS |
127 | /* |
128 | =for apidoc mg_get | |
129 | ||
130 | Do magic after a value is retrieved from the SV. See C<sv_magic>. | |
131 | ||
132 | =cut | |
133 | */ | |
134 | ||
79072805 | 135 | int |
864dbfa3 | 136 | Perl_mg_get(pTHX_ SV *sv) |
79072805 | 137 | { |
35a4481c | 138 | const I32 mgs_ix = SSNEW(sizeof(MGS)); |
fe2774ed | 139 | const bool was_temp = (bool)SvTEMP(sv); |
0723351e | 140 | int have_new = 0; |
ff76feab | 141 | MAGIC *newmg, *head, *cur, *mg; |
20135930 | 142 | /* guard against sv having being freed midway by holding a private |
6683b158 NC |
143 | reference. */ |
144 | ||
145 | /* sv_2mortal has this side effect of turning on the TEMP flag, which can | |
146 | cause the SV's buffer to get stolen (and maybe other stuff). | |
147 | So restore it. | |
148 | */ | |
149 | sv_2mortal(SvREFCNT_inc(sv)); | |
150 | if (!was_temp) { | |
151 | SvTEMP_off(sv); | |
152 | } | |
153 | ||
455ece5e | 154 | save_magic(mgs_ix, sv); |
463ee0b2 | 155 | |
ff76feab AMS |
156 | /* We must call svt_get(sv, mg) for each valid entry in the linked |
157 | list of magic. svt_get() may delete the current entry, add new | |
158 | magic to the head of the list, or upgrade the SV. AMS 20010810 */ | |
159 | ||
160 | newmg = cur = head = mg = SvMAGIC(sv); | |
161 | while (mg) { | |
35a4481c | 162 | const MGVTBL * const vtbl = mg->mg_virtual; |
ff76feab | 163 | |
2b260de0 | 164 | if (!(mg->mg_flags & MGf_GSKIP) && vtbl && vtbl->svt_get) { |
316ad4fe | 165 | CALL_FPTR(vtbl->svt_get)(aTHX_ sv, mg); |
b77f7d40 | 166 | |
58f82c5c DM |
167 | /* guard against magic having been deleted - eg FETCH calling |
168 | * untie */ | |
169 | if (!SvMAGIC(sv)) | |
170 | break; | |
b77f7d40 | 171 | |
ff76feab AMS |
172 | /* Don't restore the flags for this entry if it was deleted. */ |
173 | if (mg->mg_flags & MGf_GSKIP) | |
174 | (SSPTR(mgs_ix, MGS *))->mgs_flags = 0; | |
a0d0e21e | 175 | } |
ff76feab AMS |
176 | |
177 | mg = mg->mg_moremagic; | |
178 | ||
0723351e | 179 | if (have_new) { |
ff76feab AMS |
180 | /* Have we finished with the new entries we saw? Start again |
181 | where we left off (unless there are more new entries). */ | |
182 | if (mg == head) { | |
0723351e | 183 | have_new = 0; |
ff76feab AMS |
184 | mg = cur; |
185 | head = newmg; | |
186 | } | |
187 | } | |
188 | ||
189 | /* Were any new entries added? */ | |
0723351e NC |
190 | if (!have_new && (newmg = SvMAGIC(sv)) != head) { |
191 | have_new = 1; | |
ff76feab AMS |
192 | cur = mg; |
193 | mg = newmg; | |
760ac839 | 194 | } |
79072805 | 195 | } |
463ee0b2 | 196 | |
acfe0abc | 197 | restore_magic(aTHX_ INT2PTR(void *, (IV)mgs_ix)); |
6683b158 NC |
198 | |
199 | if (SvREFCNT(sv) == 1) { | |
200 | /* We hold the last reference to this SV, which implies that the | |
201 | SV was deleted as a side effect of the routines we called. */ | |
0c34ef67 | 202 | SvOK_off(sv); |
6683b158 | 203 | } |
79072805 LW |
204 | return 0; |
205 | } | |
206 | ||
954c1994 GS |
207 | /* |
208 | =for apidoc mg_set | |
209 | ||
210 | Do magic after a value is assigned to the SV. See C<sv_magic>. | |
211 | ||
212 | =cut | |
213 | */ | |
214 | ||
79072805 | 215 | int |
864dbfa3 | 216 | Perl_mg_set(pTHX_ SV *sv) |
79072805 | 217 | { |
35a4481c | 218 | const I32 mgs_ix = SSNEW(sizeof(MGS)); |
79072805 | 219 | MAGIC* mg; |
463ee0b2 LW |
220 | MAGIC* nextmg; |
221 | ||
455ece5e | 222 | save_magic(mgs_ix, sv); |
463ee0b2 LW |
223 | |
224 | for (mg = SvMAGIC(sv); mg; mg = nextmg) { | |
e1ec3a88 | 225 | const MGVTBL* vtbl = mg->mg_virtual; |
463ee0b2 | 226 | nextmg = mg->mg_moremagic; /* it may delete itself */ |
a0d0e21e LW |
227 | if (mg->mg_flags & MGf_GSKIP) { |
228 | mg->mg_flags &= ~MGf_GSKIP; /* setting requires another read */ | |
455ece5e | 229 | (SSPTR(mgs_ix, MGS*))->mgs_flags = 0; |
a0d0e21e | 230 | } |
2b260de0 | 231 | if (vtbl && vtbl->svt_set) |
fc0dc3b3 | 232 | CALL_FPTR(vtbl->svt_set)(aTHX_ sv, mg); |
79072805 | 233 | } |
463ee0b2 | 234 | |
acfe0abc | 235 | restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix)); |
79072805 LW |
236 | return 0; |
237 | } | |
238 | ||
954c1994 GS |
239 | /* |
240 | =for apidoc mg_length | |
241 | ||
242 | Report on the SV's length. See C<sv_magic>. | |
243 | ||
244 | =cut | |
245 | */ | |
246 | ||
79072805 | 247 | U32 |
864dbfa3 | 248 | Perl_mg_length(pTHX_ SV *sv) |
79072805 LW |
249 | { |
250 | MAGIC* mg; | |
463ee0b2 | 251 | STRLEN len; |
463ee0b2 | 252 | |
79072805 | 253 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
35a4481c | 254 | const MGVTBL * const vtbl = mg->mg_virtual; |
2b260de0 | 255 | if (vtbl && vtbl->svt_len) { |
35a4481c | 256 | const I32 mgs_ix = SSNEW(sizeof(MGS)); |
455ece5e | 257 | save_magic(mgs_ix, sv); |
a0d0e21e | 258 | /* omit MGf_GSKIP -- not changed here */ |
fc0dc3b3 | 259 | len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg); |
acfe0abc | 260 | restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix)); |
85e6fe83 LW |
261 | return len; |
262 | } | |
263 | } | |
264 | ||
35a4481c | 265 | if (DO_UTF8(sv)) { |
10516c54 | 266 | const U8 *s = (U8*)SvPV_const(sv, len); |
5636d518 DB |
267 | len = Perl_utf8_length(aTHX_ s, s + len); |
268 | } | |
269 | else | |
10516c54 | 270 | (void)SvPV_const(sv, len); |
463ee0b2 | 271 | return len; |
79072805 LW |
272 | } |
273 | ||
8fb26106 | 274 | I32 |
864dbfa3 | 275 | Perl_mg_size(pTHX_ SV *sv) |
93965878 NIS |
276 | { |
277 | MAGIC* mg; | |
ac27b0f5 | 278 | |
93965878 | 279 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
35a4481c | 280 | const MGVTBL* const vtbl = mg->mg_virtual; |
2b260de0 | 281 | if (vtbl && vtbl->svt_len) { |
35a4481c AL |
282 | const I32 mgs_ix = SSNEW(sizeof(MGS)); |
283 | I32 len; | |
455ece5e | 284 | save_magic(mgs_ix, sv); |
93965878 | 285 | /* omit MGf_GSKIP -- not changed here */ |
fc0dc3b3 | 286 | len = CALL_FPTR(vtbl->svt_len)(aTHX_ sv, mg); |
acfe0abc | 287 | restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix)); |
93965878 NIS |
288 | return len; |
289 | } | |
290 | } | |
291 | ||
292 | switch(SvTYPE(sv)) { | |
293 | case SVt_PVAV: | |
35a4481c | 294 | return AvFILLp((AV *) sv); /* Fallback to non-tied array */ |
93965878 NIS |
295 | case SVt_PVHV: |
296 | /* FIXME */ | |
297 | default: | |
cea2e8a9 | 298 | Perl_croak(aTHX_ "Size magic not implemented"); |
93965878 NIS |
299 | break; |
300 | } | |
301 | return 0; | |
302 | } | |
303 | ||
954c1994 GS |
304 | /* |
305 | =for apidoc mg_clear | |
306 | ||
307 | Clear something magical that the SV represents. See C<sv_magic>. | |
308 | ||
309 | =cut | |
310 | */ | |
311 | ||
79072805 | 312 | int |
864dbfa3 | 313 | Perl_mg_clear(pTHX_ SV *sv) |
79072805 | 314 | { |
35a4481c | 315 | const I32 mgs_ix = SSNEW(sizeof(MGS)); |
79072805 | 316 | MAGIC* mg; |
463ee0b2 | 317 | |
455ece5e | 318 | save_magic(mgs_ix, sv); |
463ee0b2 | 319 | |
79072805 | 320 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
35a4481c | 321 | const MGVTBL* const vtbl = mg->mg_virtual; |
a0d0e21e | 322 | /* omit GSKIP -- never set here */ |
727405f8 | 323 | |
2b260de0 | 324 | if (vtbl && vtbl->svt_clear) |
fc0dc3b3 | 325 | CALL_FPTR(vtbl->svt_clear)(aTHX_ sv, mg); |
79072805 | 326 | } |
463ee0b2 | 327 | |
acfe0abc | 328 | restore_magic(aTHX_ INT2PTR(void*, (IV)mgs_ix)); |
79072805 LW |
329 | return 0; |
330 | } | |
331 | ||
954c1994 GS |
332 | /* |
333 | =for apidoc mg_find | |
334 | ||
335 | Finds the magic pointer for type matching the SV. See C<sv_magic>. | |
336 | ||
337 | =cut | |
338 | */ | |
339 | ||
93a17b20 | 340 | MAGIC* |
35a4481c | 341 | Perl_mg_find(pTHX_ const SV *sv, int type) |
93a17b20 | 342 | { |
35a4481c AL |
343 | if (sv) { |
344 | MAGIC *mg; | |
345 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { | |
346 | if (mg->mg_type == type) | |
347 | return mg; | |
348 | } | |
93a17b20 LW |
349 | } |
350 | return 0; | |
351 | } | |
352 | ||
954c1994 GS |
353 | /* |
354 | =for apidoc mg_copy | |
355 | ||
356 | Copies the magic from one SV to another. See C<sv_magic>. | |
357 | ||
358 | =cut | |
359 | */ | |
360 | ||
79072805 | 361 | int |
864dbfa3 | 362 | Perl_mg_copy(pTHX_ SV *sv, SV *nsv, const char *key, I32 klen) |
79072805 | 363 | { |
463ee0b2 | 364 | int count = 0; |
79072805 | 365 | MAGIC* mg; |
463ee0b2 | 366 | for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic) { |
35a4481c | 367 | const MGVTBL* const vtbl = mg->mg_virtual; |
68795e93 NIS |
368 | if ((mg->mg_flags & MGf_COPY) && vtbl->svt_copy){ |
369 | count += CALL_FPTR(vtbl->svt_copy)(aTHX_ sv, mg, nsv, key, klen); | |
370 | } | |
371 | else if (isUPPER(mg->mg_type)) { | |
33c27489 | 372 | sv_magic(nsv, |
14befaf4 DM |
373 | mg->mg_type == PERL_MAGIC_tied ? SvTIED_obj(sv, mg) : |
374 | (mg->mg_type == PERL_MAGIC_regdata && mg->mg_obj) | |
375 | ? sv : mg->mg_obj, | |
33c27489 | 376 | toLOWER(mg->mg_type), key, klen); |
463ee0b2 | 377 | count++; |
79072805 | 378 | } |
79072805 | 379 | } |
463ee0b2 | 380 | return count; |
79072805 LW |
381 | } |
382 | ||
954c1994 GS |
383 | /* |
384 | =for apidoc mg_free | |
385 | ||
386 | Free any magic storage used by the SV. See C<sv_magic>. | |
387 | ||
388 | =cut | |
389 | */ | |
390 | ||
79072805 | 391 | int |
864dbfa3 | 392 | Perl_mg_free(pTHX_ SV *sv) |
79072805 LW |
393 | { |
394 | MAGIC* mg; | |
395 | MAGIC* moremagic; | |
396 | for (mg = SvMAGIC(sv); mg; mg = moremagic) { | |
35a4481c | 397 | const MGVTBL* const vtbl = mg->mg_virtual; |
79072805 | 398 | moremagic = mg->mg_moremagic; |
2b260de0 | 399 | if (vtbl && vtbl->svt_free) |
fc0dc3b3 | 400 | CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg); |
14befaf4 | 401 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global) { |
979acdb5 | 402 | if (mg->mg_len > 0 || mg->mg_type == PERL_MAGIC_utf8) |
88e89b8a | 403 | Safefree(mg->mg_ptr); |
565764a8 | 404 | else if (mg->mg_len == HEf_SVKEY) |
88e89b8a | 405 | SvREFCNT_dec((SV*)mg->mg_ptr); |
d460ef45 | 406 | } |
b881518d JH |
407 | if (mg->mg_flags & MGf_REFCOUNTED) |
408 | SvREFCNT_dec(mg->mg_obj); | |
79072805 LW |
409 | Safefree(mg); |
410 | } | |
b162af07 | 411 | SvMAGIC_set(sv, NULL); |
79072805 LW |
412 | return 0; |
413 | } | |
414 | ||
79072805 | 415 | #include <signal.h> |
79072805 | 416 | |
942e002e | 417 | U32 |
864dbfa3 | 418 | Perl_magic_regdata_cnt(pTHX_ SV *sv, MAGIC *mg) |
6cef1e77 | 419 | { |
35a4481c | 420 | register const REGEXP *rx; |
dd374669 | 421 | (void)sv; |
6cef1e77 | 422 | |
aaa362c4 | 423 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
8f580fb8 IZ |
424 | if (mg->mg_obj) /* @+ */ |
425 | return rx->nparens; | |
426 | else /* @- */ | |
427 | return rx->lastparen; | |
428 | } | |
ac27b0f5 | 429 | |
942e002e | 430 | return (U32)-1; |
6cef1e77 IZ |
431 | } |
432 | ||
433 | int | |
864dbfa3 | 434 | Perl_magic_regdatum_get(pTHX_ SV *sv, MAGIC *mg) |
6cef1e77 | 435 | { |
6cef1e77 | 436 | register REGEXP *rx; |
6cef1e77 | 437 | |
aaa362c4 | 438 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
35a4481c AL |
439 | register const I32 paren = mg->mg_len; |
440 | register I32 s; | |
441 | register I32 t; | |
6cef1e77 IZ |
442 | if (paren < 0) |
443 | return 0; | |
eb160463 | 444 | if (paren <= (I32)rx->nparens && |
cf93c79d IZ |
445 | (s = rx->startp[paren]) != -1 && |
446 | (t = rx->endp[paren]) != -1) | |
6cef1e77 | 447 | { |
35a4481c | 448 | register I32 i; |
6cef1e77 | 449 | if (mg->mg_obj) /* @+ */ |
cf93c79d | 450 | i = t; |
6cef1e77 | 451 | else /* @- */ |
cf93c79d | 452 | i = s; |
727405f8 | 453 | |
a30b2f1f | 454 | if (i > 0 && RX_MATCH_UTF8(rx)) { |
1aa99e6b | 455 | char *b = rx->subbeg; |
0064a8a9 JH |
456 | if (b) |
457 | i = Perl_utf8_length(aTHX_ (U8*)b, (U8*)(b+i)); | |
1aa99e6b | 458 | } |
0064a8a9 JH |
459 | |
460 | sv_setiv(sv, i); | |
6cef1e77 IZ |
461 | } |
462 | } | |
463 | return 0; | |
464 | } | |
465 | ||
e4b89193 | 466 | int |
a29d06ed MG |
467 | Perl_magic_regdatum_set(pTHX_ SV *sv, MAGIC *mg) |
468 | { | |
dd374669 | 469 | (void)sv; (void)mg; |
a29d06ed | 470 | Perl_croak(aTHX_ PL_no_modify); |
0dbb1585 | 471 | NORETURN_FUNCTION_END; |
a29d06ed MG |
472 | } |
473 | ||
93a17b20 | 474 | U32 |
864dbfa3 | 475 | Perl_magic_len(pTHX_ SV *sv, MAGIC *mg) |
93a17b20 LW |
476 | { |
477 | register I32 paren; | |
93a17b20 | 478 | register I32 i; |
dd374669 | 479 | register const REGEXP *rx; |
a197cbdd | 480 | I32 s1, t1; |
93a17b20 LW |
481 | |
482 | switch (*mg->mg_ptr) { | |
483 | case '1': case '2': case '3': case '4': | |
484 | case '5': case '6': case '7': case '8': case '9': case '&': | |
aaa362c4 | 485 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
cf93c79d | 486 | |
ffc61ed2 | 487 | paren = atoi(mg->mg_ptr); /* $& is in [0] */ |
93a17b20 | 488 | getparen: |
eb160463 | 489 | if (paren <= (I32)rx->nparens && |
cf93c79d IZ |
490 | (s1 = rx->startp[paren]) != -1 && |
491 | (t1 = rx->endp[paren]) != -1) | |
bbce6d69 | 492 | { |
cf93c79d | 493 | i = t1 - s1; |
a197cbdd | 494 | getlen: |
a30b2f1f | 495 | if (i > 0 && RX_MATCH_UTF8(rx)) { |
ffc61ed2 | 496 | char *s = rx->subbeg + s1; |
768c67ee JH |
497 | const U8 *ep; |
498 | STRLEN el; | |
ffc61ed2 | 499 | |
6d5fa195 | 500 | i = t1 - s1; |
768c67ee JH |
501 | if (is_utf8_string_loclen((U8*)s, i, &ep, &el)) |
502 | i = el; | |
a197cbdd | 503 | } |
ffc61ed2 | 504 | if (i < 0) |
0844c848 | 505 | Perl_croak(aTHX_ "panic: magic_len: %"IVdf, (IV)i); |
ffc61ed2 | 506 | return i; |
93a17b20 | 507 | } |
235bddc8 NIS |
508 | else { |
509 | if (ckWARN(WARN_UNINITIALIZED)) | |
29489e7c | 510 | report_uninit(sv); |
235bddc8 NIS |
511 | } |
512 | } | |
513 | else { | |
514 | if (ckWARN(WARN_UNINITIALIZED)) | |
29489e7c | 515 | report_uninit(sv); |
93a17b20 | 516 | } |
748a9306 | 517 | return 0; |
93a17b20 | 518 | case '+': |
aaa362c4 | 519 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
d9f97599 | 520 | paren = rx->lastparen; |
13f57bf8 CS |
521 | if (paren) |
522 | goto getparen; | |
93a17b20 | 523 | } |
748a9306 | 524 | return 0; |
a01268b5 JH |
525 | case '\016': /* ^N */ |
526 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { | |
527 | paren = rx->lastcloseparen; | |
528 | if (paren) | |
529 | goto getparen; | |
530 | } | |
531 | return 0; | |
93a17b20 | 532 | case '`': |
aaa362c4 | 533 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
cf93c79d IZ |
534 | if (rx->startp[0] != -1) { |
535 | i = rx->startp[0]; | |
a197cbdd GS |
536 | if (i > 0) { |
537 | s1 = 0; | |
538 | t1 = i; | |
539 | goto getlen; | |
540 | } | |
93a17b20 | 541 | } |
93a17b20 | 542 | } |
748a9306 | 543 | return 0; |
93a17b20 | 544 | case '\'': |
aaa362c4 | 545 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
cf93c79d IZ |
546 | if (rx->endp[0] != -1) { |
547 | i = rx->sublen - rx->endp[0]; | |
a197cbdd GS |
548 | if (i > 0) { |
549 | s1 = rx->endp[0]; | |
550 | t1 = rx->sublen; | |
551 | goto getlen; | |
552 | } | |
93a17b20 | 553 | } |
93a17b20 | 554 | } |
748a9306 | 555 | return 0; |
93a17b20 LW |
556 | } |
557 | magic_get(sv,mg); | |
2d8e6c8d GS |
558 | if (!SvPOK(sv) && SvNIOK(sv)) { |
559 | STRLEN n_a; | |
560 | sv_2pv(sv, &n_a); | |
561 | } | |
93a17b20 LW |
562 | if (SvPOK(sv)) |
563 | return SvCUR(sv); | |
564 | return 0; | |
565 | } | |
566 | ||
79072805 | 567 | int |
864dbfa3 | 568 | Perl_magic_get(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 569 | { |
27da23d5 | 570 | dVAR; |
79072805 | 571 | register I32 paren; |
35272f84 | 572 | register char *s = NULL; |
79072805 | 573 | register I32 i; |
d9f97599 | 574 | register REGEXP *rx; |
79072805 LW |
575 | |
576 | switch (*mg->mg_ptr) { | |
748a9306 | 577 | case '\001': /* ^A */ |
3280af22 | 578 | sv_setsv(sv, PL_bodytarget); |
748a9306 | 579 | break; |
e5218da5 GA |
580 | case '\003': /* ^C, ^CHILD_ERROR_NATIVE */ |
581 | if (*(mg->mg_ptr+1) == '\0') { | |
582 | sv_setiv(sv, (IV)PL_minus_c); | |
583 | } | |
584 | else if (strEQ(mg->mg_ptr, "\003HILD_ERROR_NATIVE")) { | |
585 | sv_setiv(sv, (IV)STATUS_NATIVE); | |
586 | } | |
49460fe6 NIS |
587 | break; |
588 | ||
79072805 | 589 | case '\004': /* ^D */ |
aea4f609 | 590 | sv_setiv(sv, (IV)(PL_debug & DEBUG_MASK)); |
79072805 | 591 | break; |
28f23441 | 592 | case '\005': /* ^E */ |
0a378802 | 593 | if (*(mg->mg_ptr+1) == '\0') { |
cd39f2b6 | 594 | #ifdef MACOS_TRADITIONAL |
0a378802 JH |
595 | { |
596 | char msg[256]; | |
727405f8 | 597 | |
0a378802 | 598 | sv_setnv(sv,(double)gMacPerl_OSErr); |
727405f8 | 599 | sv_setpv(sv, gMacPerl_OSErr ? GetSysErrText(gMacPerl_OSErr, msg) : ""); |
0a378802 | 600 | } |
727405f8 | 601 | #else |
28f23441 | 602 | #ifdef VMS |
0a378802 JH |
603 | { |
604 | # include <descrip.h> | |
605 | # include <starlet.h> | |
606 | char msg[255]; | |
607 | $DESCRIPTOR(msgdsc,msg); | |
608 | sv_setnv(sv,(NV) vaxc$errno); | |
609 | if (sys$getmsg(vaxc$errno,&msgdsc.dsc$w_length,&msgdsc,0,0) & 1) | |
610 | sv_setpvn(sv,msgdsc.dsc$a_pointer,msgdsc.dsc$w_length); | |
611 | else | |
c69006e4 | 612 | sv_setpvn(sv,"",0); |
0a378802 | 613 | } |
28f23441 | 614 | #else |
88e89b8a | 615 | #ifdef OS2 |
0a378802 JH |
616 | if (!(_emx_env & 0x200)) { /* Under DOS */ |
617 | sv_setnv(sv, (NV)errno); | |
618 | sv_setpv(sv, errno ? Strerror(errno) : ""); | |
619 | } else { | |
620 | if (errno != errno_isOS2) { | |
621 | int tmp = _syserrno(); | |
622 | if (tmp) /* 2nd call to _syserrno() makes it 0 */ | |
623 | Perl_rc = tmp; | |
624 | } | |
625 | sv_setnv(sv, (NV)Perl_rc); | |
626 | sv_setpv(sv, os2error(Perl_rc)); | |
627 | } | |
88e89b8a | 628 | #else |
22fae026 | 629 | #ifdef WIN32 |
0a378802 JH |
630 | { |
631 | DWORD dwErr = GetLastError(); | |
632 | sv_setnv(sv, (NV)dwErr); | |
633 | if (dwErr) | |
634 | { | |
635 | PerlProc_GetOSError(sv, dwErr); | |
636 | } | |
637 | else | |
c69006e4 | 638 | sv_setpvn(sv, "", 0); |
0a378802 JH |
639 | SetLastError(dwErr); |
640 | } | |
22fae026 | 641 | #else |
f6c8f21d RGS |
642 | { |
643 | int saveerrno = errno; | |
644 | sv_setnv(sv, (NV)errno); | |
645 | sv_setpv(sv, errno ? Strerror(errno) : ""); | |
646 | errno = saveerrno; | |
647 | } | |
28f23441 | 648 | #endif |
88e89b8a | 649 | #endif |
22fae026 | 650 | #endif |
cd39f2b6 | 651 | #endif |
0a378802 JH |
652 | SvNOK_on(sv); /* what a wonderful hack! */ |
653 | } | |
654 | else if (strEQ(mg->mg_ptr+1, "NCODING")) | |
655 | sv_setsv(sv, PL_encoding); | |
656 | break; | |
79072805 | 657 | case '\006': /* ^F */ |
3280af22 | 658 | sv_setiv(sv, (IV)PL_maxsysfd); |
79072805 | 659 | break; |
a0d0e21e | 660 | case '\010': /* ^H */ |
3280af22 | 661 | sv_setiv(sv, (IV)PL_hints); |
a0d0e21e | 662 | break; |
9d116dd7 | 663 | case '\011': /* ^I */ /* NOT \t in EBCDIC */ |
3280af22 NIS |
664 | if (PL_inplace) |
665 | sv_setpv(sv, PL_inplace); | |
79072805 | 666 | else |
3280af22 | 667 | sv_setsv(sv, &PL_sv_undef); |
79072805 | 668 | break; |
ac27b0f5 | 669 | case '\017': /* ^O & ^OPEN */ |
3511154c | 670 | if (*(mg->mg_ptr+1) == '\0') { |
ac27b0f5 | 671 | sv_setpv(sv, PL_osname); |
3511154c DM |
672 | SvTAINTED_off(sv); |
673 | } | |
ac27b0f5 NIS |
674 | else if (strEQ(mg->mg_ptr, "\017PEN")) { |
675 | if (!PL_compiling.cop_io) | |
676 | sv_setsv(sv, &PL_sv_undef); | |
677 | else { | |
678 | sv_setsv(sv, PL_compiling.cop_io); | |
679 | } | |
680 | } | |
28f23441 | 681 | break; |
79072805 | 682 | case '\020': /* ^P */ |
3280af22 | 683 | sv_setiv(sv, (IV)PL_perldb); |
79072805 | 684 | break; |
fb73857a | 685 | case '\023': /* ^S */ |
4ffa73a3 | 686 | if (*(mg->mg_ptr+1) == '\0') { |
3280af22 | 687 | if (PL_lex_state != LEX_NOTPARSING) |
0c34ef67 | 688 | SvOK_off(sv); |
3280af22 | 689 | else if (PL_in_eval) |
6dc8a9e4 | 690 | sv_setiv(sv, PL_in_eval & ~(EVAL_INREQUIRE)); |
a4268c0a AMS |
691 | else |
692 | sv_setiv(sv, 0); | |
d58bf5aa | 693 | } |
fb73857a | 694 | break; |
79072805 | 695 | case '\024': /* ^T */ |
7c36658b | 696 | if (*(mg->mg_ptr+1) == '\0') { |
88e89b8a | 697 | #ifdef BIG_TIME |
7c36658b | 698 | sv_setnv(sv, PL_basetime); |
88e89b8a | 699 | #else |
7c36658b | 700 | sv_setiv(sv, (IV)PL_basetime); |
88e89b8a | 701 | #endif |
7c36658b MS |
702 | } |
703 | else if (strEQ(mg->mg_ptr, "\024AINT")) | |
9aa05f58 RGS |
704 | sv_setiv(sv, PL_tainting |
705 | ? (PL_taint_warn || PL_unsafe ? -1 : 1) | |
706 | : 0); | |
7c36658b | 707 | break; |
7cebcbc0 | 708 | case '\025': /* $^UNICODE, $^UTF8LOCALE */ |
a05d7ebb JH |
709 | if (strEQ(mg->mg_ptr, "\025NICODE")) |
710 | sv_setuv(sv, (UV) PL_unicode); | |
7cebcbc0 NC |
711 | else if (strEQ(mg->mg_ptr, "\025TF8LOCALE")) |
712 | sv_setuv(sv, (UV) PL_utf8locale); | |
fde18df1 JH |
713 | break; |
714 | case '\027': /* ^W & $^WARNING_BITS */ | |
4438c4b7 JH |
715 | if (*(mg->mg_ptr+1) == '\0') |
716 | sv_setiv(sv, (IV)((PL_dowarn & G_WARN_ON) ? TRUE : FALSE)); | |
0a378802 | 717 | else if (strEQ(mg->mg_ptr+1, "ARNING_BITS")) { |
d3a7d8c7 GS |
718 | if (PL_compiling.cop_warnings == pWARN_NONE || |
719 | PL_compiling.cop_warnings == pWARN_STD) | |
4438c4b7 JH |
720 | { |
721 | sv_setpvn(sv, WARN_NONEstring, WARNsize) ; | |
722 | } | |
d3a7d8c7 | 723 | else if (PL_compiling.cop_warnings == pWARN_ALL) { |
75b6c4ca RGS |
724 | /* Get the bit mask for $warnings::Bits{all}, because |
725 | * it could have been extended by warnings::register */ | |
726 | SV **bits_all; | |
727 | HV *bits=get_hv("warnings::Bits", FALSE); | |
728 | if (bits && (bits_all=hv_fetch(bits, "all", 3, FALSE))) { | |
729 | sv_setsv(sv, *bits_all); | |
730 | } | |
731 | else { | |
732 | sv_setpvn(sv, WARN_ALLstring, WARNsize) ; | |
733 | } | |
ac27b0f5 | 734 | } |
4438c4b7 JH |
735 | else { |
736 | sv_setsv(sv, PL_compiling.cop_warnings); | |
ac27b0f5 | 737 | } |
d3a7d8c7 | 738 | SvPOK_only(sv); |
4438c4b7 | 739 | } |
79072805 LW |
740 | break; |
741 | case '1': case '2': case '3': case '4': | |
742 | case '5': case '6': case '7': case '8': case '9': case '&': | |
aaa362c4 | 743 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
cf93c79d IZ |
744 | I32 s1, t1; |
745 | ||
a863c7d1 MB |
746 | /* |
747 | * Pre-threads, this was paren = atoi(GvENAME((GV*)mg->mg_obj)); | |
748 | * XXX Does the new way break anything? | |
749 | */ | |
ffc61ed2 | 750 | paren = atoi(mg->mg_ptr); /* $& is in [0] */ |
79072805 | 751 | getparen: |
eb160463 | 752 | if (paren <= (I32)rx->nparens && |
cf93c79d IZ |
753 | (s1 = rx->startp[paren]) != -1 && |
754 | (t1 = rx->endp[paren]) != -1) | |
bbce6d69 | 755 | { |
cf93c79d IZ |
756 | i = t1 - s1; |
757 | s = rx->subbeg + s1; | |
01ec43d0 | 758 | if (!rx->subbeg) |
c2e66d9e GS |
759 | break; |
760 | ||
13f57bf8 | 761 | getrx: |
748a9306 | 762 | if (i >= 0) { |
cf93c79d | 763 | sv_setpvn(sv, s, i); |
a30b2f1f | 764 | if (RX_MATCH_UTF8(rx) && is_utf8_string((U8*)s, i)) |
7e2040f0 GS |
765 | SvUTF8_on(sv); |
766 | else | |
767 | SvUTF8_off(sv); | |
e9814ee1 HS |
768 | if (PL_tainting) { |
769 | if (RX_MATCH_TAINTED(rx)) { | |
770 | MAGIC* mg = SvMAGIC(sv); | |
771 | MAGIC* mgt; | |
772 | PL_tainted = 1; | |
b162af07 | 773 | SvMAGIC_set(sv, mg->mg_moremagic); |
e9814ee1 HS |
774 | SvTAINT(sv); |
775 | if ((mgt = SvMAGIC(sv))) { | |
776 | mg->mg_moremagic = mgt; | |
b162af07 | 777 | SvMAGIC_set(sv, mg); |
e9814ee1 HS |
778 | } |
779 | } else | |
780 | SvTAINTED_off(sv); | |
781 | } | |
748a9306 LW |
782 | break; |
783 | } | |
79072805 | 784 | } |
79072805 | 785 | } |
3280af22 | 786 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
787 | break; |
788 | case '+': | |
aaa362c4 | 789 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
d9f97599 | 790 | paren = rx->lastparen; |
a0d0e21e LW |
791 | if (paren) |
792 | goto getparen; | |
79072805 | 793 | } |
3280af22 | 794 | sv_setsv(sv,&PL_sv_undef); |
79072805 | 795 | break; |
a01268b5 JH |
796 | case '\016': /* ^N */ |
797 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { | |
798 | paren = rx->lastcloseparen; | |
799 | if (paren) | |
800 | goto getparen; | |
801 | } | |
802 | sv_setsv(sv,&PL_sv_undef); | |
803 | break; | |
79072805 | 804 | case '`': |
aaa362c4 | 805 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
cf93c79d IZ |
806 | if ((s = rx->subbeg) && rx->startp[0] != -1) { |
807 | i = rx->startp[0]; | |
13f57bf8 | 808 | goto getrx; |
79072805 | 809 | } |
79072805 | 810 | } |
3280af22 | 811 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
812 | break; |
813 | case '\'': | |
aaa362c4 | 814 | if (PL_curpm && (rx = PM_GETRE(PL_curpm))) { |
cf93c79d IZ |
815 | if (rx->subbeg && rx->endp[0] != -1) { |
816 | s = rx->subbeg + rx->endp[0]; | |
817 | i = rx->sublen - rx->endp[0]; | |
13f57bf8 | 818 | goto getrx; |
79072805 | 819 | } |
79072805 | 820 | } |
3280af22 | 821 | sv_setsv(sv,&PL_sv_undef); |
79072805 LW |
822 | break; |
823 | case '.': | |
3280af22 | 824 | if (GvIO(PL_last_in_gv)) { |
357c8808 | 825 | sv_setiv(sv, (IV)IoLINES(GvIOp(PL_last_in_gv))); |
79072805 | 826 | } |
79072805 LW |
827 | break; |
828 | case '?': | |
809a5acc | 829 | { |
809a5acc | 830 | sv_setiv(sv, (IV)STATUS_CURRENT); |
ff0cee69 | 831 | #ifdef COMPLEX_STATUS |
6b88bc9c GS |
832 | LvTARGOFF(sv) = PL_statusvalue; |
833 | LvTARGLEN(sv) = PL_statusvalue_vms; | |
ff0cee69 | 834 | #endif |
809a5acc | 835 | } |
79072805 LW |
836 | break; |
837 | case '^': | |
0daa599b RGS |
838 | if (GvIOp(PL_defoutgv)) |
839 | s = IoTOP_NAME(GvIOp(PL_defoutgv)); | |
79072805 LW |
840 | if (s) |
841 | sv_setpv(sv,s); | |
842 | else { | |
3280af22 | 843 | sv_setpv(sv,GvENAME(PL_defoutgv)); |
79072805 LW |
844 | sv_catpv(sv,"_TOP"); |
845 | } | |
846 | break; | |
847 | case '~': | |
0daa599b RGS |
848 | if (GvIOp(PL_defoutgv)) |
849 | s = IoFMT_NAME(GvIOp(PL_defoutgv)); | |
79072805 | 850 | if (!s) |
3280af22 | 851 | s = GvENAME(PL_defoutgv); |
79072805 LW |
852 | sv_setpv(sv,s); |
853 | break; | |
79072805 | 854 | case '=': |
0daa599b RGS |
855 | if (GvIOp(PL_defoutgv)) |
856 | sv_setiv(sv, (IV)IoPAGE_LEN(GvIOp(PL_defoutgv))); | |
79072805 LW |
857 | break; |
858 | case '-': | |
0daa599b RGS |
859 | if (GvIOp(PL_defoutgv)) |
860 | sv_setiv(sv, (IV)IoLINES_LEFT(GvIOp(PL_defoutgv))); | |
79072805 LW |
861 | break; |
862 | case '%': | |
0daa599b RGS |
863 | if (GvIOp(PL_defoutgv)) |
864 | sv_setiv(sv, (IV)IoPAGE(GvIOp(PL_defoutgv))); | |
79072805 | 865 | break; |
79072805 LW |
866 | case ':': |
867 | break; | |
868 | case '/': | |
869 | break; | |
870 | case '[': | |
3280af22 | 871 | WITH_THR(sv_setiv(sv, (IV)PL_curcop->cop_arybase)); |
79072805 LW |
872 | break; |
873 | case '|': | |
0daa599b RGS |
874 | if (GvIOp(PL_defoutgv)) |
875 | sv_setiv(sv, (IV)(IoFLAGS(GvIOp(PL_defoutgv)) & IOf_FLUSH) != 0 ); | |
79072805 LW |
876 | break; |
877 | case ',': | |
79072805 LW |
878 | break; |
879 | case '\\': | |
b2ce0fda | 880 | if (PL_ors_sv) |
f28098ff | 881 | sv_copypv(sv, PL_ors_sv); |
79072805 LW |
882 | break; |
883 | case '#': | |
3280af22 | 884 | sv_setpv(sv,PL_ofmt); |
79072805 LW |
885 | break; |
886 | case '!': | |
a5f75d66 | 887 | #ifdef VMS |
65202027 | 888 | sv_setnv(sv, (NV)((errno == EVMSERR) ? vaxc$errno : errno)); |
88e89b8a | 889 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
a5f75d66 | 890 | #else |
88e89b8a | 891 | { |
892 | int saveerrno = errno; | |
65202027 | 893 | sv_setnv(sv, (NV)errno); |
88e89b8a | 894 | #ifdef OS2 |
ed344e4f IZ |
895 | if (errno == errno_isOS2 || errno == errno_isOS2_set) |
896 | sv_setpv(sv, os2error(Perl_rc)); | |
88e89b8a | 897 | else |
a5f75d66 | 898 | #endif |
2304df62 | 899 | sv_setpv(sv, errno ? Strerror(errno) : ""); |
88e89b8a | 900 | errno = saveerrno; |
901 | } | |
902 | #endif | |
946ec16e | 903 | SvNOK_on(sv); /* what a wonderful hack! */ |
79072805 LW |
904 | break; |
905 | case '<': | |
3280af22 | 906 | sv_setiv(sv, (IV)PL_uid); |
79072805 LW |
907 | break; |
908 | case '>': | |
3280af22 | 909 | sv_setiv(sv, (IV)PL_euid); |
79072805 LW |
910 | break; |
911 | case '(': | |
3280af22 | 912 | sv_setiv(sv, (IV)PL_gid); |
a52cb5f7 | 913 | #ifdef HAS_GETGROUPS |
a3b680e6 | 914 | Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, (long unsigned int)PL_gid); |
a52cb5f7 | 915 | #endif |
79072805 LW |
916 | goto add_groups; |
917 | case ')': | |
3280af22 | 918 | sv_setiv(sv, (IV)PL_egid); |
a52cb5f7 | 919 | #ifdef HAS_GETGROUPS |
a3b680e6 | 920 | Perl_sv_setpvf(aTHX_ sv, "%"Gid_t_f, (long unsigned int)PL_egid); |
a52cb5f7 | 921 | #endif |
79072805 | 922 | add_groups: |
79072805 | 923 | #ifdef HAS_GETGROUPS |
79072805 | 924 | { |
a0d0e21e | 925 | Groups_t gary[NGROUPS]; |
a3b680e6 AL |
926 | I32 j = getgroups(NGROUPS,gary); |
927 | while (--j >= 0) | |
928 | Perl_sv_catpvf(aTHX_ sv, " %"Gid_t_f, (long unsigned int)gary[j]); | |
79072805 LW |
929 | } |
930 | #endif | |
155aba94 | 931 | (void)SvIOK_on(sv); /* what a wonderful hack! */ |
79072805 | 932 | break; |
cd39f2b6 | 933 | #ifndef MACOS_TRADITIONAL |
79072805 LW |
934 | case '0': |
935 | break; | |
cd39f2b6 | 936 | #endif |
79072805 | 937 | } |
a0d0e21e | 938 | return 0; |
79072805 LW |
939 | } |
940 | ||
941 | int | |
864dbfa3 | 942 | Perl_magic_getuvar(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
943 | { |
944 | struct ufuncs *uf = (struct ufuncs *)mg->mg_ptr; | |
945 | ||
946 | if (uf && uf->uf_val) | |
24f81a43 | 947 | (*uf->uf_val)(aTHX_ uf->uf_index, sv); |
79072805 LW |
948 | return 0; |
949 | } | |
950 | ||
951 | int | |
864dbfa3 | 952 | Perl_magic_setenv(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 953 | { |
27da23d5 | 954 | dVAR; |
79072805 | 955 | register char *s; |
e62f0680 | 956 | const char *ptr; |
5aabfad6 | 957 | STRLEN len, klen; |
1e422769 | 958 | |
a0d0e21e | 959 | s = SvPV(sv,len); |
e62f0680 | 960 | ptr = MgPV_const(mg,klen); |
88e89b8a | 961 | my_setenv(ptr, s); |
1e422769 | 962 | |
a0d0e21e LW |
963 | #ifdef DYNAMIC_ENV_FETCH |
964 | /* We just undefd an environment var. Is a replacement */ | |
965 | /* waiting in the wings? */ | |
966 | if (!len) { | |
5aabfad6 | 967 | SV **valp; |
6b88bc9c | 968 | if ((valp = hv_fetch(GvHVn(PL_envgv), ptr, klen, FALSE))) |
5aabfad6 | 969 | s = SvPV(*valp, len); |
a0d0e21e LW |
970 | } |
971 | #endif | |
1e422769 | 972 | |
39e571d4 | 973 | #if !defined(OS2) && !defined(AMIGAOS) && !defined(WIN32) && !defined(MSDOS) |
79072805 LW |
974 | /* And you'll never guess what the dog had */ |
975 | /* in its mouth... */ | |
3280af22 | 976 | if (PL_tainting) { |
1e422769 | 977 | MgTAINTEDDIR_off(mg); |
978 | #ifdef VMS | |
5aabfad6 | 979 | if (s && klen == 8 && strEQ(ptr, "DCL$PATH")) { |
1e422769 | 980 | char pathbuf[256], eltbuf[256], *cp, *elt = s; |
c623ac67 | 981 | Stat_t sbuf; |
1e422769 | 982 | int i = 0, j = 0; |
983 | ||
984 | do { /* DCL$PATH may be a search list */ | |
985 | while (1) { /* as may dev portion of any element */ | |
986 | if ( ((cp = strchr(elt,'[')) || (cp = strchr(elt,'<'))) ) { | |
987 | if ( *(cp+1) == '.' || *(cp+1) == '-' || | |
988 | cando_by_name(S_IWUSR,0,elt) ) { | |
989 | MgTAINTEDDIR_on(mg); | |
990 | return 0; | |
991 | } | |
992 | } | |
993 | if ((cp = strchr(elt, ':')) != Nullch) | |
994 | *cp = '\0'; | |
995 | if (my_trnlnm(elt, eltbuf, j++)) | |
996 | elt = eltbuf; | |
997 | else | |
998 | break; | |
999 | } | |
1000 | j = 0; | |
1001 | } while (my_trnlnm(s, pathbuf, i++) && (elt = pathbuf)); | |
1002 | } | |
1003 | #endif /* VMS */ | |
5aabfad6 | 1004 | if (s && klen == 4 && strEQ(ptr,"PATH")) { |
a0d0e21e | 1005 | char *strend = s + len; |
463ee0b2 LW |
1006 | |
1007 | while (s < strend) { | |
96827780 | 1008 | char tmpbuf[256]; |
c623ac67 | 1009 | Stat_t st; |
5f74f29c | 1010 | I32 i; |
96827780 | 1011 | s = delimcpy(tmpbuf, tmpbuf + sizeof tmpbuf, |
fc36a67e | 1012 | s, strend, ':', &i); |
463ee0b2 | 1013 | s++; |
96827780 MB |
1014 | if (i >= sizeof tmpbuf /* too long -- assume the worst */ |
1015 | || *tmpbuf != '/' | |
c6ed36e1 | 1016 | || (PerlLIO_stat(tmpbuf, &st) == 0 && (st.st_mode & 2)) ) { |
8990e307 | 1017 | MgTAINTEDDIR_on(mg); |
1e422769 | 1018 | return 0; |
1019 | } | |
463ee0b2 | 1020 | } |
79072805 LW |
1021 | } |
1022 | } | |
39e571d4 | 1023 | #endif /* neither OS2 nor AMIGAOS nor WIN32 nor MSDOS */ |
1e422769 | 1024 | |
79072805 LW |
1025 | return 0; |
1026 | } | |
1027 | ||
1028 | int | |
864dbfa3 | 1029 | Perl_magic_clearenv(pTHX_ SV *sv, MAGIC *mg) |
85e6fe83 | 1030 | { |
2d8e6c8d | 1031 | STRLEN n_a; |
dd374669 | 1032 | (void)sv; |
2d8e6c8d | 1033 | my_setenv(MgPV(mg,n_a),Nullch); |
85e6fe83 LW |
1034 | return 0; |
1035 | } | |
1036 | ||
88e89b8a | 1037 | int |
864dbfa3 | 1038 | Perl_magic_set_all_env(pTHX_ SV *sv, MAGIC *mg) |
fb73857a | 1039 | { |
27da23d5 | 1040 | #if defined(VMS) || defined(EPOC) || defined(SYMBIAN) |
cea2e8a9 | 1041 | Perl_die(aTHX_ "Can't make list assignment to %%ENV on this system"); |
fb73857a | 1042 | #else |
3280af22 | 1043 | if (PL_localizing) { |
fb73857a | 1044 | HE* entry; |
2d8e6c8d | 1045 | STRLEN n_a; |
fb73857a | 1046 | magic_clear_all_env(sv,mg); |
1047 | hv_iterinit((HV*)sv); | |
155aba94 | 1048 | while ((entry = hv_iternext((HV*)sv))) { |
fb73857a | 1049 | I32 keylen; |
1050 | my_setenv(hv_iterkey(entry, &keylen), | |
2d8e6c8d | 1051 | SvPV(hv_iterval((HV*)sv, entry), n_a)); |
fb73857a | 1052 | } |
1053 | } | |
1054 | #endif | |
1055 | return 0; | |
1056 | } | |
1057 | ||
1058 | int | |
864dbfa3 | 1059 | Perl_magic_clear_all_env(pTHX_ SV *sv, MAGIC *mg) |
66b1d557 | 1060 | { |
27da23d5 | 1061 | dVAR; |
2f42fcb0 | 1062 | #ifndef PERL_MICRO |
27da23d5 | 1063 | #if defined(VMS) || defined(EPOC) || defined(SYMBIAN) |
cea2e8a9 | 1064 | Perl_die(aTHX_ "Can't make list assignment to %%ENV on this system"); |
3e3baf6d | 1065 | #else |
4efc5df6 | 1066 | # if defined(PERL_IMPLICIT_SYS) || defined(WIN32) |
7766f137 | 1067 | PerlEnv_clearenv(); |
4efc5df6 GS |
1068 | # else |
1069 | # ifdef USE_ENVIRON_ARRAY | |
1070 | # if defined(USE_ITHREADS) | |
1071 | /* only the parent thread can clobber the process environment */ | |
1072 | if (PL_curinterp == aTHX) | |
1073 | # endif | |
1074 | { | |
1075 | # ifndef PERL_USE_SAFE_PUTENV | |
50acdf95 | 1076 | if (!PL_use_safe_putenv) { |
66b1d557 HM |
1077 | I32 i; |
1078 | ||
3280af22 | 1079 | if (environ == PL_origenviron) |
f2517201 | 1080 | environ = (char**)safesysmalloc(sizeof(char*)); |
66b1d557 HM |
1081 | else |
1082 | for (i = 0; environ[i]; i++) | |
f2517201 | 1083 | safesysfree(environ[i]); |
50acdf95 | 1084 | } |
4efc5df6 | 1085 | # endif /* PERL_USE_SAFE_PUTENV */ |
f2517201 | 1086 | |
66b1d557 | 1087 | environ[0] = Nullch; |
4efc5df6 GS |
1088 | } |
1089 | # endif /* USE_ENVIRON_ARRAY */ | |
052c2dc6 | 1090 | # endif /* PERL_IMPLICIT_SYS || WIN32 */ |
2f42fcb0 JH |
1091 | #endif /* VMS || EPOC */ |
1092 | #endif /* !PERL_MICRO */ | |
dd374669 AL |
1093 | (void)sv; |
1094 | (void)mg; | |
3e3baf6d | 1095 | return 0; |
66b1d557 HM |
1096 | } |
1097 | ||
64ca3a65 | 1098 | #ifndef PERL_MICRO |
2d4fcd5e AJ |
1099 | #ifdef HAS_SIGPROCMASK |
1100 | static void | |
1101 | restore_sigmask(pTHX_ SV *save_sv) | |
1102 | { | |
1103 | sigset_t *ossetp = (sigset_t *) SvPV_nolen( save_sv ); | |
1104 | (void)sigprocmask(SIG_SETMASK, ossetp, (sigset_t *)0); | |
1105 | } | |
1106 | #endif | |
66b1d557 | 1107 | int |
864dbfa3 | 1108 | Perl_magic_getsig(pTHX_ SV *sv, MAGIC *mg) |
88e89b8a | 1109 | { |
1110 | I32 i; | |
2d8e6c8d | 1111 | STRLEN n_a; |
88e89b8a | 1112 | /* Are we fetching a signal entry? */ |
2d8e6c8d | 1113 | i = whichsig(MgPV(mg,n_a)); |
e02bfb16 | 1114 | if (i > 0) { |
22c35a8c GS |
1115 | if(PL_psig_ptr[i]) |
1116 | sv_setsv(sv,PL_psig_ptr[i]); | |
88e89b8a | 1117 | else { |
85b332e2 | 1118 | Sighandler_t sigstate; |
2e34cc90 | 1119 | sigstate = rsignal_state(i); |
23ada85b | 1120 | #ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS |
27da23d5 | 1121 | if (PL_sig_handlers_initted && PL_sig_ignoring[i]) sigstate = SIG_IGN; |
2e34cc90 CL |
1122 | #endif |
1123 | #ifdef FAKE_DEFAULT_SIGNAL_HANDLERS | |
27da23d5 | 1124 | if (PL_sig_handlers_initted && PL_sig_defaulting[i]) sigstate = SIG_DFL; |
85b332e2 | 1125 | #endif |
88e89b8a | 1126 | /* cache state so we don't fetch it again */ |
ff68c719 | 1127 | if(sigstate == SIG_IGN) |
88e89b8a | 1128 | sv_setpv(sv,"IGNORE"); |
1129 | else | |
3280af22 | 1130 | sv_setsv(sv,&PL_sv_undef); |
22c35a8c | 1131 | PL_psig_ptr[i] = SvREFCNT_inc(sv); |
88e89b8a | 1132 | SvTEMP_off(sv); |
1133 | } | |
1134 | } | |
1135 | return 0; | |
1136 | } | |
1137 | int | |
864dbfa3 | 1138 | Perl_magic_clearsig(pTHX_ SV *sv, MAGIC *mg) |
88e89b8a | 1139 | { |
2d4fcd5e AJ |
1140 | /* XXX Some of this code was copied from Perl_magic_setsig. A little |
1141 | * refactoring might be in order. | |
1142 | */ | |
27da23d5 | 1143 | dVAR; |
2d8e6c8d | 1144 | STRLEN n_a; |
35a4481c | 1145 | register const char *s = MgPV(mg,n_a); |
dd374669 | 1146 | (void)sv; |
2d4fcd5e | 1147 | if (*s == '_') { |
27da23d5 | 1148 | SV** svp = 0; |
2d4fcd5e AJ |
1149 | if (strEQ(s,"__DIE__")) |
1150 | svp = &PL_diehook; | |
1151 | else if (strEQ(s,"__WARN__")) | |
1152 | svp = &PL_warnhook; | |
1153 | else | |
1154 | Perl_croak(aTHX_ "No such hook: %s", s); | |
27da23d5 | 1155 | if (svp && *svp) { |
dd374669 | 1156 | SV *to_dec = *svp; |
2d4fcd5e AJ |
1157 | *svp = 0; |
1158 | SvREFCNT_dec(to_dec); | |
1159 | } | |
1160 | } | |
1161 | else { | |
1162 | I32 i; | |
1163 | /* Are we clearing a signal entry? */ | |
1164 | i = whichsig(s); | |
e02bfb16 | 1165 | if (i > 0) { |
2d4fcd5e AJ |
1166 | #ifdef HAS_SIGPROCMASK |
1167 | sigset_t set, save; | |
1168 | SV* save_sv; | |
1169 | /* Avoid having the signal arrive at a bad time, if possible. */ | |
1170 | sigemptyset(&set); | |
1171 | sigaddset(&set,i); | |
1172 | sigprocmask(SIG_BLOCK, &set, &save); | |
1173 | ENTER; | |
1174 | save_sv = newSVpv((char *)(&save), sizeof(sigset_t)); | |
1175 | SAVEFREESV(save_sv); | |
1176 | SAVEDESTRUCTOR_X(restore_sigmask, save_sv); | |
1177 | #endif | |
1178 | PERL_ASYNC_CHECK(); | |
1179 | #if defined(FAKE_PERSISTENT_SIGNAL_HANDLERS) || defined(FAKE_DEFAULT_SIGNAL_HANDLERS) | |
27da23d5 | 1180 | if (!PL_sig_handlers_initted) Perl_csighandler_init(); |
2d4fcd5e AJ |
1181 | #endif |
1182 | #ifdef FAKE_DEFAULT_SIGNAL_HANDLERS | |
27da23d5 | 1183 | PL_sig_defaulting[i] = 1; |
5c1546dc | 1184 | (void)rsignal(i, PL_csighandlerp); |
2d4fcd5e AJ |
1185 | #else |
1186 | (void)rsignal(i, SIG_DFL); | |
1187 | #endif | |
1188 | if(PL_psig_name[i]) { | |
1189 | SvREFCNT_dec(PL_psig_name[i]); | |
1190 | PL_psig_name[i]=0; | |
1191 | } | |
1192 | if(PL_psig_ptr[i]) { | |
dd374669 | 1193 | SV *to_dec=PL_psig_ptr[i]; |
2d4fcd5e AJ |
1194 | PL_psig_ptr[i]=0; |
1195 | LEAVE; | |
1196 | SvREFCNT_dec(to_dec); | |
1197 | } | |
1198 | else | |
1199 | LEAVE; | |
1200 | } | |
88e89b8a | 1201 | } |
1202 | return 0; | |
1203 | } | |
3d37d572 | 1204 | |
dd374669 AL |
1205 | static void |
1206 | S_raise_signal(pTHX_ int sig) | |
0a8e0eff NIS |
1207 | { |
1208 | /* Set a flag to say this signal is pending */ | |
1209 | PL_psig_pend[sig]++; | |
1210 | /* And one to say _a_ signal is pending */ | |
1211 | PL_sig_pending = 1; | |
1212 | } | |
1213 | ||
1214 | Signal_t | |
1215 | Perl_csighandler(int sig) | |
1216 | { | |
1018e26f NIS |
1217 | #ifdef PERL_GET_SIG_CONTEXT |
1218 | dTHXa(PERL_GET_SIG_CONTEXT); | |
1219 | #else | |
85b332e2 CL |
1220 | dTHX; |
1221 | #endif | |
23ada85b | 1222 | #ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS |
5c1546dc | 1223 | (void) rsignal(sig, PL_csighandlerp); |
27da23d5 | 1224 | if (PL_sig_ignoring[sig]) return; |
85b332e2 | 1225 | #endif |
2e34cc90 | 1226 | #ifdef FAKE_DEFAULT_SIGNAL_HANDLERS |
27da23d5 | 1227 | if (PL_sig_defaulting[sig]) |
2e34cc90 CL |
1228 | #ifdef KILL_BY_SIGPRC |
1229 | exit((Perl_sig_to_vmscondition(sig)&STS$M_COND_ID)|STS$K_SEVERE|STS$M_INHIB_MSG); | |
1230 | #else | |
1231 | exit(1); | |
1232 | #endif | |
1233 | #endif | |
4ffa73a3 JH |
1234 | if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG) |
1235 | /* Call the perl level handler now-- | |
1236 | * with risk we may be in malloc() etc. */ | |
1237 | (*PL_sighandlerp)(sig); | |
1238 | else | |
dd374669 | 1239 | S_raise_signal(aTHX_ sig); |
0a8e0eff NIS |
1240 | } |
1241 | ||
2e34cc90 CL |
1242 | #if defined(FAKE_PERSISTENT_SIGNAL_HANDLERS) || defined(FAKE_DEFAULT_SIGNAL_HANDLERS) |
1243 | void | |
1244 | Perl_csighandler_init(void) | |
1245 | { | |
1246 | int sig; | |
27da23d5 | 1247 | if (PL_sig_handlers_initted) return; |
2e34cc90 CL |
1248 | |
1249 | for (sig = 1; sig < SIG_SIZE; sig++) { | |
1250 | #ifdef FAKE_DEFAULT_SIGNAL_HANDLERS | |
218fdd94 | 1251 | dTHX; |
27da23d5 | 1252 | PL_sig_defaulting[sig] = 1; |
5c1546dc | 1253 | (void) rsignal(sig, PL_csighandlerp); |
2e34cc90 CL |
1254 | #endif |
1255 | #ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS | |
27da23d5 | 1256 | PL_sig_ignoring[sig] = 0; |
2e34cc90 CL |
1257 | #endif |
1258 | } | |
27da23d5 | 1259 | PL_sig_handlers_initted = 1; |
2e34cc90 CL |
1260 | } |
1261 | #endif | |
1262 | ||
0a8e0eff NIS |
1263 | void |
1264 | Perl_despatch_signals(pTHX) | |
1265 | { | |
1266 | int sig; | |
1267 | PL_sig_pending = 0; | |
1268 | for (sig = 1; sig < SIG_SIZE; sig++) { | |
1269 | if (PL_psig_pend[sig]) { | |
25da4428 JH |
1270 | PERL_BLOCKSIG_ADD(set, sig); |
1271 | PL_psig_pend[sig] = 0; | |
1272 | PERL_BLOCKSIG_BLOCK(set); | |
f5203343 | 1273 | (*PL_sighandlerp)(sig); |
25da4428 | 1274 | PERL_BLOCKSIG_UNBLOCK(set); |
0a8e0eff NIS |
1275 | } |
1276 | } | |
1277 | } | |
1278 | ||
85e6fe83 | 1279 | int |
864dbfa3 | 1280 | Perl_magic_setsig(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1281 | { |
27da23d5 | 1282 | dVAR; |
79072805 | 1283 | I32 i; |
b7953727 | 1284 | SV** svp = 0; |
2d4fcd5e AJ |
1285 | /* Need to be careful with SvREFCNT_dec(), because that can have side |
1286 | * effects (due to closures). We must make sure that the new disposition | |
1287 | * is in place before it is called. | |
1288 | */ | |
1289 | SV* to_dec = 0; | |
e72dc28c | 1290 | STRLEN len; |
2d4fcd5e AJ |
1291 | #ifdef HAS_SIGPROCMASK |
1292 | sigset_t set, save; | |
1293 | SV* save_sv; | |
1294 | #endif | |
a0d0e21e | 1295 | |
35a4481c | 1296 | register const char *s = MgPV(mg,len); |
748a9306 LW |
1297 | if (*s == '_') { |
1298 | if (strEQ(s,"__DIE__")) | |
3280af22 | 1299 | svp = &PL_diehook; |
748a9306 | 1300 | else if (strEQ(s,"__WARN__")) |
3280af22 | 1301 | svp = &PL_warnhook; |
748a9306 | 1302 | else |
cea2e8a9 | 1303 | Perl_croak(aTHX_ "No such hook: %s", s); |
748a9306 | 1304 | i = 0; |
4633a7c4 | 1305 | if (*svp) { |
2d4fcd5e | 1306 | to_dec = *svp; |
4633a7c4 LW |
1307 | *svp = 0; |
1308 | } | |
748a9306 LW |
1309 | } |
1310 | else { | |
1311 | i = whichsig(s); /* ...no, a brick */ | |
86d86cad | 1312 | if (i <= 0) { |
e476b1b5 | 1313 | if (ckWARN(WARN_SIGNAL)) |
9014280d | 1314 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), "No such signal: SIG%s", s); |
748a9306 LW |
1315 | return 0; |
1316 | } | |
2d4fcd5e AJ |
1317 | #ifdef HAS_SIGPROCMASK |
1318 | /* Avoid having the signal arrive at a bad time, if possible. */ | |
1319 | sigemptyset(&set); | |
1320 | sigaddset(&set,i); | |
1321 | sigprocmask(SIG_BLOCK, &set, &save); | |
1322 | ENTER; | |
1323 | save_sv = newSVpv((char *)(&save), sizeof(sigset_t)); | |
1324 | SAVEFREESV(save_sv); | |
1325 | SAVEDESTRUCTOR_X(restore_sigmask, save_sv); | |
1326 | #endif | |
1327 | PERL_ASYNC_CHECK(); | |
2e34cc90 | 1328 | #if defined(FAKE_PERSISTENT_SIGNAL_HANDLERS) || defined(FAKE_DEFAULT_SIGNAL_HANDLERS) |
27da23d5 | 1329 | if (!PL_sig_handlers_initted) Perl_csighandler_init(); |
2e34cc90 | 1330 | #endif |
23ada85b | 1331 | #ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS |
27da23d5 | 1332 | PL_sig_ignoring[i] = 0; |
85b332e2 | 1333 | #endif |
2e34cc90 | 1334 | #ifdef FAKE_DEFAULT_SIGNAL_HANDLERS |
27da23d5 | 1335 | PL_sig_defaulting[i] = 0; |
2e34cc90 | 1336 | #endif |
22c35a8c | 1337 | SvREFCNT_dec(PL_psig_name[i]); |
2d4fcd5e | 1338 | to_dec = PL_psig_ptr[i]; |
22c35a8c | 1339 | PL_psig_ptr[i] = SvREFCNT_inc(sv); |
88e89b8a | 1340 | SvTEMP_off(sv); /* Make sure it doesn't go away on us */ |
e72dc28c | 1341 | PL_psig_name[i] = newSVpvn(s, len); |
22c35a8c | 1342 | SvREADONLY_on(PL_psig_name[i]); |
748a9306 | 1343 | } |
a0d0e21e | 1344 | if (SvTYPE(sv) == SVt_PVGV || SvROK(sv)) { |
2d4fcd5e | 1345 | if (i) { |
5c1546dc | 1346 | (void)rsignal(i, PL_csighandlerp); |
2d4fcd5e AJ |
1347 | #ifdef HAS_SIGPROCMASK |
1348 | LEAVE; | |
1349 | #endif | |
1350 | } | |
748a9306 LW |
1351 | else |
1352 | *svp = SvREFCNT_inc(sv); | |
2d4fcd5e AJ |
1353 | if(to_dec) |
1354 | SvREFCNT_dec(to_dec); | |
a0d0e21e LW |
1355 | return 0; |
1356 | } | |
e72dc28c | 1357 | s = SvPV_force(sv,len); |
748a9306 | 1358 | if (strEQ(s,"IGNORE")) { |
85b332e2 | 1359 | if (i) { |
23ada85b | 1360 | #ifdef FAKE_PERSISTENT_SIGNAL_HANDLERS |
27da23d5 | 1361 | PL_sig_ignoring[i] = 1; |
5c1546dc | 1362 | (void)rsignal(i, PL_csighandlerp); |
85b332e2 | 1363 | #else |
ff68c719 | 1364 | (void)rsignal(i, SIG_IGN); |
85b332e2 | 1365 | #endif |
2d4fcd5e | 1366 | } |
748a9306 LW |
1367 | } |
1368 | else if (strEQ(s,"DEFAULT") || !*s) { | |
1369 | if (i) | |
2e34cc90 CL |
1370 | #ifdef FAKE_DEFAULT_SIGNAL_HANDLERS |
1371 | { | |
27da23d5 | 1372 | PL_sig_defaulting[i] = 1; |
5c1546dc | 1373 | (void)rsignal(i, PL_csighandlerp); |
2e34cc90 CL |
1374 | } |
1375 | #else | |
ff68c719 | 1376 | (void)rsignal(i, SIG_DFL); |
2e34cc90 | 1377 | #endif |
748a9306 | 1378 | } |
79072805 | 1379 | else { |
5aabfad6 | 1380 | /* |
1381 | * We should warn if HINT_STRICT_REFS, but without | |
1382 | * access to a known hint bit in a known OP, we can't | |
1383 | * tell whether HINT_STRICT_REFS is in force or not. | |
1384 | */ | |
46fc3d4c | 1385 | if (!strchr(s,':') && !strchr(s,'\'')) |
e72dc28c | 1386 | sv_insert(sv, 0, 0, "main::", 6); |
748a9306 | 1387 | if (i) |
5c1546dc | 1388 | (void)rsignal(i, PL_csighandlerp); |
748a9306 LW |
1389 | else |
1390 | *svp = SvREFCNT_inc(sv); | |
79072805 | 1391 | } |
2d4fcd5e AJ |
1392 | #ifdef HAS_SIGPROCMASK |
1393 | if(i) | |
1394 | LEAVE; | |
1395 | #endif | |
1396 | if(to_dec) | |
1397 | SvREFCNT_dec(to_dec); | |
79072805 LW |
1398 | return 0; |
1399 | } | |
64ca3a65 | 1400 | #endif /* !PERL_MICRO */ |
79072805 LW |
1401 | |
1402 | int | |
864dbfa3 | 1403 | Perl_magic_setisa(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1404 | { |
dd374669 AL |
1405 | (void)sv; |
1406 | (void)mg; | |
3280af22 | 1407 | PL_sub_generation++; |
463ee0b2 LW |
1408 | return 0; |
1409 | } | |
1410 | ||
1411 | int | |
864dbfa3 | 1412 | Perl_magic_setamagic(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1413 | { |
dd374669 AL |
1414 | (void)sv; |
1415 | (void)mg; | |
a0d0e21e | 1416 | /* HV_badAMAGIC_on(Sv_STASH(sv)); */ |
3280af22 | 1417 | PL_amagic_generation++; |
463ee0b2 | 1418 | |
a0d0e21e LW |
1419 | return 0; |
1420 | } | |
463ee0b2 | 1421 | |
946ec16e | 1422 | int |
864dbfa3 | 1423 | Perl_magic_getnkeys(pTHX_ SV *sv, MAGIC *mg) |
6ff81951 | 1424 | { |
dd374669 | 1425 | HV * const hv = (HV*)LvTARG(sv); |
6ff81951 | 1426 | I32 i = 0; |
dd374669 | 1427 | (void)mg; |
7719e241 | 1428 | |
6ff81951 | 1429 | if (hv) { |
497b47a8 JH |
1430 | (void) hv_iterinit(hv); |
1431 | if (! SvTIED_mg((SV*)hv, PERL_MAGIC_tied)) | |
1432 | i = HvKEYS(hv); | |
1433 | else { | |
1434 | while (hv_iternext(hv)) | |
1435 | i++; | |
1436 | } | |
6ff81951 GS |
1437 | } |
1438 | ||
1439 | sv_setiv(sv, (IV)i); | |
1440 | return 0; | |
1441 | } | |
1442 | ||
1443 | int | |
864dbfa3 | 1444 | Perl_magic_setnkeys(pTHX_ SV *sv, MAGIC *mg) |
946ec16e | 1445 | { |
dd374669 | 1446 | (void)mg; |
946ec16e | 1447 | if (LvTARG(sv)) { |
1448 | hv_ksplit((HV*)LvTARG(sv), SvIV(sv)); | |
946ec16e | 1449 | } |
1450 | return 0; | |
ac27b0f5 | 1451 | } |
946ec16e | 1452 | |
e336de0d | 1453 | /* caller is responsible for stack switching/cleanup */ |
565764a8 | 1454 | STATIC int |
e1ec3a88 | 1455 | S_magic_methcall(pTHX_ SV *sv, const MAGIC *mg, const char *meth, I32 flags, int n, SV *val) |
a0d0e21e LW |
1456 | { |
1457 | dSP; | |
463ee0b2 | 1458 | |
924508f0 GS |
1459 | PUSHMARK(SP); |
1460 | EXTEND(SP, n); | |
33c27489 | 1461 | PUSHs(SvTIED_obj(sv, mg)); |
ac27b0f5 | 1462 | if (n > 1) { |
93965878 | 1463 | if (mg->mg_ptr) { |
565764a8 | 1464 | if (mg->mg_len >= 0) |
79cb57f6 | 1465 | PUSHs(sv_2mortal(newSVpvn(mg->mg_ptr, mg->mg_len))); |
565764a8 | 1466 | else if (mg->mg_len == HEf_SVKEY) |
93965878 NIS |
1467 | PUSHs((SV*)mg->mg_ptr); |
1468 | } | |
14befaf4 | 1469 | else if (mg->mg_type == PERL_MAGIC_tiedelem) { |
565764a8 | 1470 | PUSHs(sv_2mortal(newSViv(mg->mg_len))); |
93965878 NIS |
1471 | } |
1472 | } | |
1473 | if (n > 2) { | |
1474 | PUSHs(val); | |
88e89b8a | 1475 | } |
463ee0b2 LW |
1476 | PUTBACK; |
1477 | ||
864dbfa3 | 1478 | return call_method(meth, flags); |
946ec16e | 1479 | } |
1480 | ||
76e3520e | 1481 | STATIC int |
e1ec3a88 | 1482 | S_magic_methpack(pTHX_ SV *sv, const MAGIC *mg, const char *meth) |
a0d0e21e | 1483 | { |
27da23d5 | 1484 | dVAR; dSP; |
463ee0b2 | 1485 | |
a0d0e21e LW |
1486 | ENTER; |
1487 | SAVETMPS; | |
e788e7d3 | 1488 | PUSHSTACKi(PERLSI_MAGIC); |
463ee0b2 | 1489 | |
33c27489 | 1490 | if (magic_methcall(sv, mg, meth, G_SCALAR, 2, NULL)) { |
3280af22 | 1491 | sv_setsv(sv, *PL_stack_sp--); |
93965878 | 1492 | } |
463ee0b2 | 1493 | |
d3acc0f7 | 1494 | POPSTACK; |
a0d0e21e LW |
1495 | FREETMPS; |
1496 | LEAVE; | |
1497 | return 0; | |
1498 | } | |
463ee0b2 | 1499 | |
a0d0e21e | 1500 | int |
864dbfa3 | 1501 | Perl_magic_getpack(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e | 1502 | { |
a0d0e21e LW |
1503 | if (mg->mg_ptr) |
1504 | mg->mg_flags |= MGf_GSKIP; | |
58f82c5c | 1505 | magic_methpack(sv,mg,"FETCH"); |
463ee0b2 LW |
1506 | return 0; |
1507 | } | |
1508 | ||
1509 | int | |
864dbfa3 | 1510 | Perl_magic_setpack(pTHX_ SV *sv, MAGIC *mg) |
e336de0d | 1511 | { |
27da23d5 | 1512 | dVAR; dSP; |
a60c0954 | 1513 | ENTER; |
e788e7d3 | 1514 | PUSHSTACKi(PERLSI_MAGIC); |
33c27489 | 1515 | magic_methcall(sv, mg, "STORE", G_SCALAR|G_DISCARD, 3, sv); |
d3acc0f7 | 1516 | POPSTACK; |
a60c0954 | 1517 | LEAVE; |
463ee0b2 LW |
1518 | return 0; |
1519 | } | |
1520 | ||
1521 | int | |
864dbfa3 | 1522 | Perl_magic_clearpack(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1523 | { |
a0d0e21e LW |
1524 | return magic_methpack(sv,mg,"DELETE"); |
1525 | } | |
463ee0b2 | 1526 | |
93965878 NIS |
1527 | |
1528 | U32 | |
864dbfa3 | 1529 | Perl_magic_sizepack(pTHX_ SV *sv, MAGIC *mg) |
ac27b0f5 | 1530 | { |
27da23d5 | 1531 | dVAR; dSP; |
93965878 NIS |
1532 | U32 retval = 0; |
1533 | ||
1534 | ENTER; | |
1535 | SAVETMPS; | |
e788e7d3 | 1536 | PUSHSTACKi(PERLSI_MAGIC); |
33c27489 | 1537 | if (magic_methcall(sv, mg, "FETCHSIZE", G_SCALAR, 2, NULL)) { |
3280af22 | 1538 | sv = *PL_stack_sp--; |
a60c0954 | 1539 | retval = (U32) SvIV(sv)-1; |
93965878 | 1540 | } |
d3acc0f7 | 1541 | POPSTACK; |
93965878 NIS |
1542 | FREETMPS; |
1543 | LEAVE; | |
1544 | return retval; | |
1545 | } | |
1546 | ||
cea2e8a9 GS |
1547 | int |
1548 | Perl_magic_wipepack(pTHX_ SV *sv, MAGIC *mg) | |
a0d0e21e | 1549 | { |
27da23d5 | 1550 | dVAR; dSP; |
463ee0b2 | 1551 | |
e336de0d | 1552 | ENTER; |
e788e7d3 | 1553 | PUSHSTACKi(PERLSI_MAGIC); |
924508f0 | 1554 | PUSHMARK(SP); |
33c27489 | 1555 | XPUSHs(SvTIED_obj(sv, mg)); |
463ee0b2 | 1556 | PUTBACK; |
864dbfa3 | 1557 | call_method("CLEAR", G_SCALAR|G_DISCARD); |
d3acc0f7 | 1558 | POPSTACK; |
a60c0954 | 1559 | LEAVE; |
a3bcc51e | 1560 | |
463ee0b2 LW |
1561 | return 0; |
1562 | } | |
1563 | ||
1564 | int | |
864dbfa3 | 1565 | Perl_magic_nextpack(pTHX_ SV *sv, MAGIC *mg, SV *key) |
463ee0b2 | 1566 | { |
27da23d5 | 1567 | dVAR; dSP; |
35a4481c | 1568 | const char * const meth = SvOK(key) ? "NEXTKEY" : "FIRSTKEY"; |
463ee0b2 LW |
1569 | |
1570 | ENTER; | |
a0d0e21e | 1571 | SAVETMPS; |
e788e7d3 | 1572 | PUSHSTACKi(PERLSI_MAGIC); |
924508f0 GS |
1573 | PUSHMARK(SP); |
1574 | EXTEND(SP, 2); | |
33c27489 | 1575 | PUSHs(SvTIED_obj(sv, mg)); |
463ee0b2 LW |
1576 | if (SvOK(key)) |
1577 | PUSHs(key); | |
1578 | PUTBACK; | |
1579 | ||
864dbfa3 | 1580 | if (call_method(meth, G_SCALAR)) |
3280af22 | 1581 | sv_setsv(key, *PL_stack_sp--); |
463ee0b2 | 1582 | |
d3acc0f7 | 1583 | POPSTACK; |
a0d0e21e LW |
1584 | FREETMPS; |
1585 | LEAVE; | |
79072805 LW |
1586 | return 0; |
1587 | } | |
1588 | ||
1589 | int | |
864dbfa3 | 1590 | Perl_magic_existspack(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e LW |
1591 | { |
1592 | return magic_methpack(sv,mg,"EXISTS"); | |
ac27b0f5 | 1593 | } |
a0d0e21e | 1594 | |
a3bcc51e TP |
1595 | SV * |
1596 | Perl_magic_scalarpack(pTHX_ HV *hv, MAGIC *mg) | |
1597 | { | |
27da23d5 | 1598 | dVAR; dSP; |
a3bcc51e TP |
1599 | SV *retval = &PL_sv_undef; |
1600 | SV *tied = SvTIED_obj((SV*)hv, mg); | |
1601 | HV *pkg = SvSTASH((SV*)SvRV(tied)); | |
1602 | ||
1603 | if (!gv_fetchmethod_autoload(pkg, "SCALAR", FALSE)) { | |
1604 | SV *key; | |
bfcb3514 | 1605 | if (HvEITER_get(hv)) |
a3bcc51e TP |
1606 | /* we are in an iteration so the hash cannot be empty */ |
1607 | return &PL_sv_yes; | |
1608 | /* no xhv_eiter so now use FIRSTKEY */ | |
1609 | key = sv_newmortal(); | |
1610 | magic_nextpack((SV*)hv, mg, key); | |
bfcb3514 | 1611 | HvEITER_set(hv, NULL); /* need to reset iterator */ |
a3bcc51e TP |
1612 | return SvOK(key) ? &PL_sv_yes : &PL_sv_no; |
1613 | } | |
1614 | ||
1615 | /* there is a SCALAR method that we can call */ | |
1616 | ENTER; | |
1617 | PUSHSTACKi(PERLSI_MAGIC); | |
1618 | PUSHMARK(SP); | |
1619 | EXTEND(SP, 1); | |
1620 | PUSHs(tied); | |
1621 | PUTBACK; | |
1622 | ||
1623 | if (call_method("SCALAR", G_SCALAR)) | |
1624 | retval = *PL_stack_sp--; | |
1625 | POPSTACK; | |
1626 | LEAVE; | |
1627 | return retval; | |
1628 | } | |
1629 | ||
a0d0e21e | 1630 | int |
864dbfa3 | 1631 | Perl_magic_setdbline(pTHX_ SV *sv, MAGIC *mg) |
79072805 LW |
1632 | { |
1633 | OP *o; | |
1634 | I32 i; | |
1635 | GV* gv; | |
1636 | SV** svp; | |
2d8e6c8d | 1637 | STRLEN n_a; |
79072805 | 1638 | |
3280af22 | 1639 | gv = PL_DBline; |
79072805 | 1640 | i = SvTRUE(sv); |
188ea221 | 1641 | svp = av_fetch(GvAV(gv), |
2d8e6c8d | 1642 | atoi(MgPV(mg,n_a)), FALSE); |
5df8de69 DM |
1643 | if (svp && SvIOKp(*svp) && (o = INT2PTR(OP*,SvIVX(*svp)))) { |
1644 | /* set or clear breakpoint in the relevant control op */ | |
1645 | if (i) | |
1646 | o->op_flags |= OPf_SPECIAL; | |
1647 | else | |
1648 | o->op_flags &= ~OPf_SPECIAL; | |
1649 | } | |
79072805 LW |
1650 | return 0; |
1651 | } | |
1652 | ||
1653 | int | |
864dbfa3 | 1654 | Perl_magic_getarylen(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1655 | { |
3280af22 | 1656 | sv_setiv(sv, AvFILL((AV*)mg->mg_obj) + PL_curcop->cop_arybase); |
79072805 LW |
1657 | return 0; |
1658 | } | |
1659 | ||
1660 | int | |
864dbfa3 | 1661 | Perl_magic_setarylen(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1662 | { |
3280af22 | 1663 | av_fill((AV*)mg->mg_obj, SvIV(sv) - PL_curcop->cop_arybase); |
a0d0e21e LW |
1664 | return 0; |
1665 | } | |
1666 | ||
1667 | int | |
864dbfa3 | 1668 | Perl_magic_getpos(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e LW |
1669 | { |
1670 | SV* lsv = LvTARG(sv); | |
ac27b0f5 | 1671 | |
a0d0e21e | 1672 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) { |
14befaf4 | 1673 | mg = mg_find(lsv, PERL_MAGIC_regex_global); |
565764a8 | 1674 | if (mg && mg->mg_len >= 0) { |
a0ed51b3 | 1675 | I32 i = mg->mg_len; |
7e2040f0 | 1676 | if (DO_UTF8(lsv)) |
a0ed51b3 LW |
1677 | sv_pos_b2u(lsv, &i); |
1678 | sv_setiv(sv, i + PL_curcop->cop_arybase); | |
a0d0e21e LW |
1679 | return 0; |
1680 | } | |
1681 | } | |
0c34ef67 | 1682 | SvOK_off(sv); |
a0d0e21e LW |
1683 | return 0; |
1684 | } | |
1685 | ||
1686 | int | |
864dbfa3 | 1687 | Perl_magic_setpos(pTHX_ SV *sv, MAGIC *mg) |
a0d0e21e LW |
1688 | { |
1689 | SV* lsv = LvTARG(sv); | |
1690 | SSize_t pos; | |
1691 | STRLEN len; | |
c00206c8 | 1692 | STRLEN ulen = 0; |
a0d0e21e LW |
1693 | |
1694 | mg = 0; | |
ac27b0f5 | 1695 | |
a0d0e21e | 1696 | if (SvTYPE(lsv) >= SVt_PVMG && SvMAGIC(lsv)) |
14befaf4 | 1697 | mg = mg_find(lsv, PERL_MAGIC_regex_global); |
a0d0e21e LW |
1698 | if (!mg) { |
1699 | if (!SvOK(sv)) | |
1700 | return 0; | |
14befaf4 DM |
1701 | sv_magic(lsv, (SV*)0, PERL_MAGIC_regex_global, Nullch, 0); |
1702 | mg = mg_find(lsv, PERL_MAGIC_regex_global); | |
a0d0e21e LW |
1703 | } |
1704 | else if (!SvOK(sv)) { | |
565764a8 | 1705 | mg->mg_len = -1; |
a0d0e21e LW |
1706 | return 0; |
1707 | } | |
1708 | len = SvPOK(lsv) ? SvCUR(lsv) : sv_len(lsv); | |
1709 | ||
c485e607 | 1710 | pos = SvIV(sv) - PL_curcop->cop_arybase; |
a0ed51b3 | 1711 | |
7e2040f0 | 1712 | if (DO_UTF8(lsv)) { |
a0ed51b3 LW |
1713 | ulen = sv_len_utf8(lsv); |
1714 | if (ulen) | |
1715 | len = ulen; | |
a0ed51b3 LW |
1716 | } |
1717 | ||
a0d0e21e LW |
1718 | if (pos < 0) { |
1719 | pos += len; | |
1720 | if (pos < 0) | |
1721 | pos = 0; | |
1722 | } | |
eb160463 | 1723 | else if (pos > (SSize_t)len) |
a0d0e21e | 1724 | pos = len; |
a0ed51b3 LW |
1725 | |
1726 | if (ulen) { | |
1727 | I32 p = pos; | |
1728 | sv_pos_u2b(lsv, &p, 0); | |
1729 | pos = p; | |
1730 | } | |
727405f8 | 1731 | |
565764a8 | 1732 | mg->mg_len = pos; |
71be2cbc | 1733 | mg->mg_flags &= ~MGf_MINMATCH; |
a0d0e21e | 1734 | |
79072805 LW |
1735 | return 0; |
1736 | } | |
1737 | ||
1738 | int | |
864dbfa3 | 1739 | Perl_magic_getglob(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1740 | { |
dd374669 | 1741 | (void)mg; |
8646b087 | 1742 | if (SvFAKE(sv)) { /* FAKE globs can get coerced */ |
1743 | SvFAKE_off(sv); | |
946ec16e | 1744 | gv_efullname3(sv,((GV*)sv), "*"); |
8646b087 | 1745 | SvFAKE_on(sv); |
1746 | } | |
1747 | else | |
946ec16e | 1748 | gv_efullname3(sv,((GV*)sv), "*"); /* a gv value, be nice */ |
79072805 LW |
1749 | return 0; |
1750 | } | |
1751 | ||
1752 | int | |
864dbfa3 | 1753 | Perl_magic_setglob(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1754 | { |
79072805 | 1755 | GV* gv; |
dd374669 | 1756 | (void)mg; |
7a5fd60d | 1757 | |
79072805 LW |
1758 | if (!SvOK(sv)) |
1759 | return 0; | |
7a5fd60d | 1760 | gv = gv_fetchsv(sv,TRUE, SVt_PVGV); |
79072805 LW |
1761 | if (sv == (SV*)gv) |
1762 | return 0; | |
1763 | if (GvGP(sv)) | |
88e89b8a | 1764 | gp_free((GV*)sv); |
79072805 | 1765 | GvGP(sv) = gp_ref(GvGP(gv)); |
79072805 LW |
1766 | return 0; |
1767 | } | |
1768 | ||
1769 | int | |
864dbfa3 | 1770 | Perl_magic_getsubstr(pTHX_ SV *sv, MAGIC *mg) |
6ff81951 GS |
1771 | { |
1772 | STRLEN len; | |
35a4481c AL |
1773 | SV * const lsv = LvTARG(sv); |
1774 | const char * const tmps = SvPV(lsv,len); | |
6ff81951 GS |
1775 | I32 offs = LvTARGOFF(sv); |
1776 | I32 rem = LvTARGLEN(sv); | |
dd374669 | 1777 | (void)mg; |
6ff81951 | 1778 | |
9aa983d2 JH |
1779 | if (SvUTF8(lsv)) |
1780 | sv_pos_u2b(lsv, &offs, &rem); | |
eb160463 | 1781 | if (offs > (I32)len) |
6ff81951 | 1782 | offs = len; |
eb160463 | 1783 | if (rem + offs > (I32)len) |
6ff81951 GS |
1784 | rem = len - offs; |
1785 | sv_setpvn(sv, tmps + offs, (STRLEN)rem); | |
9aa983d2 | 1786 | if (SvUTF8(lsv)) |
2ef4b674 | 1787 | SvUTF8_on(sv); |
6ff81951 GS |
1788 | return 0; |
1789 | } | |
1790 | ||
1791 | int | |
864dbfa3 | 1792 | Perl_magic_setsubstr(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1793 | { |
9aa983d2 JH |
1794 | STRLEN len; |
1795 | char *tmps = SvPV(sv, len); | |
dd374669 | 1796 | SV * const lsv = LvTARG(sv); |
9aa983d2 JH |
1797 | I32 lvoff = LvTARGOFF(sv); |
1798 | I32 lvlen = LvTARGLEN(sv); | |
dd374669 | 1799 | (void)mg; |
075a4a2b | 1800 | |
1aa99e6b | 1801 | if (DO_UTF8(sv)) { |
9aa983d2 JH |
1802 | sv_utf8_upgrade(lsv); |
1803 | sv_pos_u2b(lsv, &lvoff, &lvlen); | |
1804 | sv_insert(lsv, lvoff, lvlen, tmps, len); | |
b76f3ce2 | 1805 | LvTARGLEN(sv) = sv_len_utf8(sv); |
9aa983d2 JH |
1806 | SvUTF8_on(lsv); |
1807 | } | |
9bf12eaf | 1808 | else if (lsv && SvUTF8(lsv)) { |
9aa983d2 | 1809 | sv_pos_u2b(lsv, &lvoff, &lvlen); |
b76f3ce2 | 1810 | LvTARGLEN(sv) = len; |
e95af362 | 1811 | tmps = (char*)bytes_to_utf8((U8*)tmps, &len); |
9aa983d2 JH |
1812 | sv_insert(lsv, lvoff, lvlen, tmps, len); |
1813 | Safefree(tmps); | |
1aa99e6b | 1814 | } |
b76f3ce2 GB |
1815 | else { |
1816 | sv_insert(lsv, lvoff, lvlen, tmps, len); | |
1817 | LvTARGLEN(sv) = len; | |
1818 | } | |
1819 | ||
1aa99e6b | 1820 | |
79072805 LW |
1821 | return 0; |
1822 | } | |
1823 | ||
1824 | int | |
864dbfa3 | 1825 | Perl_magic_gettaint(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1826 | { |
565764a8 | 1827 | TAINT_IF((mg->mg_len & 1) || |
155aba94 | 1828 | ((mg->mg_len & 2) && mg->mg_obj == sv)); /* kludge */ |
463ee0b2 LW |
1829 | return 0; |
1830 | } | |
1831 | ||
1832 | int | |
864dbfa3 | 1833 | Perl_magic_settaint(pTHX_ SV *sv, MAGIC *mg) |
463ee0b2 | 1834 | { |
dd374669 | 1835 | (void)sv; |
3280af22 NIS |
1836 | if (PL_localizing) { |
1837 | if (PL_localizing == 1) | |
565764a8 | 1838 | mg->mg_len <<= 1; |
748a9306 | 1839 | else |
565764a8 | 1840 | mg->mg_len >>= 1; |
a0d0e21e | 1841 | } |
3280af22 | 1842 | else if (PL_tainted) |
565764a8 | 1843 | mg->mg_len |= 1; |
748a9306 | 1844 | else |
565764a8 | 1845 | mg->mg_len &= ~1; |
463ee0b2 LW |
1846 | return 0; |
1847 | } | |
1848 | ||
1849 | int | |
864dbfa3 | 1850 | Perl_magic_getvec(pTHX_ SV *sv, MAGIC *mg) |
6ff81951 | 1851 | { |
35a4481c | 1852 | SV * const lsv = LvTARG(sv); |
dd374669 | 1853 | (void)mg; |
6ff81951 GS |
1854 | |
1855 | if (!lsv) { | |
0c34ef67 | 1856 | SvOK_off(sv); |
6ff81951 GS |
1857 | return 0; |
1858 | } | |
6ff81951 | 1859 | |
81e118e0 | 1860 | sv_setuv(sv, do_vecget(lsv, LvTARGOFF(sv), LvTARGLEN(sv))); |
6ff81951 GS |
1861 | return 0; |
1862 | } | |
1863 | ||
1864 | int | |
864dbfa3 | 1865 | Perl_magic_setvec(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1866 | { |
dd374669 | 1867 | (void)mg; |
79072805 LW |
1868 | do_vecset(sv); /* XXX slurp this routine */ |
1869 | return 0; | |
1870 | } | |
1871 | ||
1872 | int | |
864dbfa3 | 1873 | Perl_magic_getdefelem(pTHX_ SV *sv, MAGIC *mg) |
5f05dabc | 1874 | { |
71be2cbc | 1875 | SV *targ = Nullsv; |
5f05dabc | 1876 | if (LvTARGLEN(sv)) { |
68dc0745 | 1877 | if (mg->mg_obj) { |
74e13ce4 | 1878 | SV *ahv = LvTARG(sv); |
6d822dc4 MS |
1879 | HE *he = hv_fetch_ent((HV*)ahv, mg->mg_obj, FALSE, 0); |
1880 | if (he) | |
1881 | targ = HeVAL(he); | |
68dc0745 | 1882 | } |
1883 | else { | |
3c78fafa | 1884 | AV* av = (AV*)LvTARG(sv); |
68dc0745 | 1885 | if ((I32)LvTARGOFF(sv) <= AvFILL(av)) |
1886 | targ = AvARRAY(av)[LvTARGOFF(sv)]; | |
1887 | } | |
3280af22 | 1888 | if (targ && targ != &PL_sv_undef) { |
68dc0745 | 1889 | /* somebody else defined it for us */ |
1890 | SvREFCNT_dec(LvTARG(sv)); | |
1891 | LvTARG(sv) = SvREFCNT_inc(targ); | |
1892 | LvTARGLEN(sv) = 0; | |
1893 | SvREFCNT_dec(mg->mg_obj); | |
1894 | mg->mg_obj = Nullsv; | |
1895 | mg->mg_flags &= ~MGf_REFCOUNTED; | |
1896 | } | |
5f05dabc | 1897 | } |
71be2cbc | 1898 | else |
1899 | targ = LvTARG(sv); | |
3280af22 | 1900 | sv_setsv(sv, targ ? targ : &PL_sv_undef); |
71be2cbc | 1901 | return 0; |
1902 | } | |
1903 | ||
1904 | int | |
864dbfa3 | 1905 | Perl_magic_setdefelem(pTHX_ SV *sv, MAGIC *mg) |
71be2cbc | 1906 | { |
dd374669 | 1907 | (void)mg; |
71be2cbc | 1908 | if (LvTARGLEN(sv)) |
68dc0745 | 1909 | vivify_defelem(sv); |
1910 | if (LvTARG(sv)) { | |
5f05dabc | 1911 | sv_setsv(LvTARG(sv), sv); |
68dc0745 | 1912 | SvSETMAGIC(LvTARG(sv)); |
1913 | } | |
5f05dabc | 1914 | return 0; |
1915 | } | |
1916 | ||
71be2cbc | 1917 | void |
864dbfa3 | 1918 | Perl_vivify_defelem(pTHX_ SV *sv) |
71be2cbc | 1919 | { |
74e13ce4 GS |
1920 | MAGIC *mg; |
1921 | SV *value = Nullsv; | |
71be2cbc | 1922 | |
14befaf4 | 1923 | if (!LvTARGLEN(sv) || !(mg = mg_find(sv, PERL_MAGIC_defelem))) |
71be2cbc | 1924 | return; |
68dc0745 | 1925 | if (mg->mg_obj) { |
74e13ce4 | 1926 | SV *ahv = LvTARG(sv); |
6d822dc4 MS |
1927 | HE *he = hv_fetch_ent((HV*)ahv, mg->mg_obj, TRUE, 0); |
1928 | if (he) | |
1929 | value = HeVAL(he); | |
3280af22 | 1930 | if (!value || value == &PL_sv_undef) |
ce5030a2 | 1931 | Perl_croak(aTHX_ PL_no_helem_sv, mg->mg_obj); |
71be2cbc | 1932 | } |
68dc0745 | 1933 | else { |
1934 | AV* av = (AV*)LvTARG(sv); | |
5aabfad6 | 1935 | if ((I32)LvTARGLEN(sv) < 0 && (I32)LvTARGOFF(sv) > AvFILL(av)) |
68dc0745 | 1936 | LvTARG(sv) = Nullsv; /* array can't be extended */ |
1937 | else { | |
1938 | SV** svp = av_fetch(av, LvTARGOFF(sv), TRUE); | |
3280af22 | 1939 | if (!svp || (value = *svp) == &PL_sv_undef) |
cea2e8a9 | 1940 | Perl_croak(aTHX_ PL_no_aelem, (I32)LvTARGOFF(sv)); |
68dc0745 | 1941 | } |
1942 | } | |
3e3baf6d | 1943 | (void)SvREFCNT_inc(value); |
68dc0745 | 1944 | SvREFCNT_dec(LvTARG(sv)); |
1945 | LvTARG(sv) = value; | |
71be2cbc | 1946 | LvTARGLEN(sv) = 0; |
68dc0745 | 1947 | SvREFCNT_dec(mg->mg_obj); |
1948 | mg->mg_obj = Nullsv; | |
1949 | mg->mg_flags &= ~MGf_REFCOUNTED; | |
5f05dabc | 1950 | } |
1951 | ||
1952 | int | |
864dbfa3 | 1953 | Perl_magic_killbackrefs(pTHX_ SV *sv, MAGIC *mg) |
810b8aa5 GS |
1954 | { |
1955 | AV *av = (AV*)mg->mg_obj; | |
1956 | SV **svp = AvARRAY(av); | |
1957 | I32 i = AvFILLp(av); | |
dd374669 AL |
1958 | (void)sv; |
1959 | ||
810b8aa5 | 1960 | while (i >= 0) { |
fdc9a813 | 1961 | if (svp[i]) { |
810b8aa5 | 1962 | if (!SvWEAKREF(svp[i])) |
cea2e8a9 | 1963 | Perl_croak(aTHX_ "panic: magic_killbackrefs"); |
810b8aa5 | 1964 | /* XXX Should we check that it hasn't changed? */ |
b162af07 | 1965 | SvRV_set(svp[i], 0); |
0c34ef67 | 1966 | SvOK_off(svp[i]); |
810b8aa5 | 1967 | SvWEAKREF_off(svp[i]); |
fdc9a813 | 1968 | svp[i] = Nullsv; |
810b8aa5 GS |
1969 | } |
1970 | i--; | |
1971 | } | |
d99b02a1 | 1972 | SvREFCNT_dec(av); /* remove extra count added by sv_add_backref() */ |
810b8aa5 GS |
1973 | return 0; |
1974 | } | |
1975 | ||
1976 | int | |
864dbfa3 | 1977 | Perl_magic_setmglob(pTHX_ SV *sv, MAGIC *mg) |
93a17b20 | 1978 | { |
565764a8 | 1979 | mg->mg_len = -1; |
c6496cc7 | 1980 | SvSCREAM_off(sv); |
93a17b20 LW |
1981 | return 0; |
1982 | } | |
1983 | ||
1984 | int | |
864dbfa3 | 1985 | Perl_magic_setbm(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 1986 | { |
dd374669 | 1987 | (void)mg; |
14befaf4 | 1988 | sv_unmagic(sv, PERL_MAGIC_bm); |
79072805 LW |
1989 | SvVALID_off(sv); |
1990 | return 0; | |
1991 | } | |
1992 | ||
1993 | int | |
864dbfa3 | 1994 | Perl_magic_setfm(pTHX_ SV *sv, MAGIC *mg) |
55497cff | 1995 | { |
dd374669 | 1996 | (void)mg; |
14befaf4 | 1997 | sv_unmagic(sv, PERL_MAGIC_fm); |
55497cff | 1998 | SvCOMPILED_off(sv); |
1999 | return 0; | |
2000 | } | |
2001 | ||
2002 | int | |
864dbfa3 | 2003 | Perl_magic_setuvar(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 2004 | { |
35a4481c | 2005 | const struct ufuncs * const uf = (struct ufuncs *)mg->mg_ptr; |
79072805 LW |
2006 | |
2007 | if (uf && uf->uf_set) | |
24f81a43 | 2008 | (*uf->uf_set)(aTHX_ uf->uf_index, sv); |
79072805 LW |
2009 | return 0; |
2010 | } | |
2011 | ||
c277df42 | 2012 | int |
faf82a0b AE |
2013 | Perl_magic_setregexp(pTHX_ SV *sv, MAGIC *mg) |
2014 | { | |
dd374669 | 2015 | (void)mg; |
faf82a0b AE |
2016 | sv_unmagic(sv, PERL_MAGIC_qr); |
2017 | return 0; | |
2018 | } | |
2019 | ||
2020 | int | |
864dbfa3 | 2021 | Perl_magic_freeregexp(pTHX_ SV *sv, MAGIC *mg) |
c277df42 IZ |
2022 | { |
2023 | regexp *re = (regexp *)mg->mg_obj; | |
2024 | ReREFCNT_dec(re); | |
dd374669 | 2025 | (void)sv; |
c277df42 IZ |
2026 | return 0; |
2027 | } | |
2028 | ||
7a4c00b4 | 2029 | #ifdef USE_LOCALE_COLLATE |
79072805 | 2030 | int |
864dbfa3 | 2031 | Perl_magic_setcollxfrm(pTHX_ SV *sv, MAGIC *mg) |
bbce6d69 | 2032 | { |
2033 | /* | |
838b5b74 | 2034 | * RenE<eacute> Descartes said "I think not." |
bbce6d69 | 2035 | * and vanished with a faint plop. |
2036 | */ | |
dd374669 | 2037 | (void)sv; |
7a4c00b4 | 2038 | if (mg->mg_ptr) { |
2039 | Safefree(mg->mg_ptr); | |
2040 | mg->mg_ptr = NULL; | |
565764a8 | 2041 | mg->mg_len = -1; |
7a4c00b4 | 2042 | } |
bbce6d69 | 2043 | return 0; |
2044 | } | |
7a4c00b4 | 2045 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 2046 | |
7e8c5dac HS |
2047 | /* Just clear the UTF-8 cache data. */ |
2048 | int | |
2049 | Perl_magic_setutf8(pTHX_ SV *sv, MAGIC *mg) | |
2050 | { | |
dd374669 | 2051 | (void)sv; |
7e8c5dac HS |
2052 | Safefree(mg->mg_ptr); /* The mg_ptr holds the pos cache. */ |
2053 | mg->mg_ptr = 0; | |
2054 | mg->mg_len = -1; /* The mg_len holds the len cache. */ | |
2055 | return 0; | |
2056 | } | |
2057 | ||
bbce6d69 | 2058 | int |
864dbfa3 | 2059 | Perl_magic_set(pTHX_ SV *sv, MAGIC *mg) |
79072805 | 2060 | { |
e1ec3a88 | 2061 | register const char *s; |
79072805 | 2062 | I32 i; |
8990e307 | 2063 | STRLEN len; |
79072805 | 2064 | switch (*mg->mg_ptr) { |
748a9306 | 2065 | case '\001': /* ^A */ |
3280af22 | 2066 | sv_setsv(PL_bodytarget, sv); |
748a9306 | 2067 | break; |
49460fe6 | 2068 | case '\003': /* ^C */ |
eb160463 | 2069 | PL_minus_c = (bool)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
49460fe6 NIS |
2070 | break; |
2071 | ||
79072805 | 2072 | case '\004': /* ^D */ |
b4ab917c DM |
2073 | #ifdef DEBUGGING |
2074 | s = SvPV_nolen(sv); | |
ddcf8bc1 | 2075 | PL_debug = get_debug_opts(&s, 0) | DEBUG_TOP_FLAG; |
79072805 | 2076 | DEBUG_x(dump_all()); |
b4ab917c DM |
2077 | #else |
2078 | PL_debug = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) | DEBUG_TOP_FLAG; | |
2079 | #endif | |
79072805 | 2080 | break; |
28f23441 | 2081 | case '\005': /* ^E */ |
d0063567 | 2082 | if (*(mg->mg_ptr+1) == '\0') { |
cd39f2b6 | 2083 | #ifdef MACOS_TRADITIONAL |
d0063567 | 2084 | gMacPerl_OSErr = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
28f23441 | 2085 | #else |
cd39f2b6 | 2086 | # ifdef VMS |
d0063567 | 2087 | set_vaxc_errno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
048c1ddf | 2088 | # else |
cd39f2b6 | 2089 | # ifdef WIN32 |
d0063567 | 2090 | SetLastError( SvIV(sv) ); |
cd39f2b6 | 2091 | # else |
9fed8b87 | 2092 | # ifdef OS2 |
d0063567 | 2093 | os2_setsyserrno(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
9fed8b87 | 2094 | # else |
d0063567 DK |
2095 | /* will anyone ever use this? */ |
2096 | SETERRNO(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv), 4); | |
cd39f2b6 | 2097 | # endif |
048c1ddf IZ |
2098 | # endif |
2099 | # endif | |
22fae026 | 2100 | #endif |
d0063567 DK |
2101 | } |
2102 | else if (strEQ(mg->mg_ptr+1, "NCODING")) { | |
2103 | if (PL_encoding) | |
2104 | SvREFCNT_dec(PL_encoding); | |
2105 | if (SvOK(sv) || SvGMAGICAL(sv)) { | |
2106 | PL_encoding = newSVsv(sv); | |
2107 | } | |
2108 | else { | |
2109 | PL_encoding = Nullsv; | |
2110 | } | |
2111 | } | |
2112 | break; | |
79072805 | 2113 | case '\006': /* ^F */ |
3280af22 | 2114 | PL_maxsysfd = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 | 2115 | break; |
a0d0e21e | 2116 | case '\010': /* ^H */ |
3280af22 | 2117 | PL_hints = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
a0d0e21e | 2118 | break; |
9d116dd7 | 2119 | case '\011': /* ^I */ /* NOT \t in EBCDIC */ |
3280af22 NIS |
2120 | if (PL_inplace) |
2121 | Safefree(PL_inplace); | |
79072805 | 2122 | if (SvOK(sv)) |
2e0de35c | 2123 | PL_inplace = savesvpv(sv); |
79072805 | 2124 | else |
3280af22 | 2125 | PL_inplace = Nullch; |
79072805 | 2126 | break; |
28f23441 | 2127 | case '\017': /* ^O */ |
ac27b0f5 | 2128 | if (*(mg->mg_ptr+1) == '\0') { |
1bf29663 | 2129 | if (PL_osname) { |
ac27b0f5 | 2130 | Safefree(PL_osname); |
1bf29663 DM |
2131 | PL_osname = Nullch; |
2132 | } | |
3511154c DM |
2133 | if (SvOK(sv)) { |
2134 | TAINT_PROPER("assigning to $^O"); | |
2e0de35c | 2135 | PL_osname = savesvpv(sv); |
3511154c | 2136 | } |
ac27b0f5 NIS |
2137 | } |
2138 | else if (strEQ(mg->mg_ptr, "\017PEN")) { | |
2139 | if (!PL_compiling.cop_io) | |
2140 | PL_compiling.cop_io = newSVsv(sv); | |
2141 | else | |
2142 | sv_setsv(PL_compiling.cop_io,sv); | |
2143 | } | |
28f23441 | 2144 | break; |
79072805 | 2145 | case '\020': /* ^P */ |
3280af22 | 2146 | PL_perldb = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
f2a7f298 | 2147 | if (PL_perldb && !PL_DBsingle) |
1ee4443e | 2148 | init_debugger(); |
79072805 LW |
2149 | break; |
2150 | case '\024': /* ^T */ | |
88e89b8a | 2151 | #ifdef BIG_TIME |
6b88bc9c | 2152 | PL_basetime = (Time_t)(SvNOK(sv) ? SvNVX(sv) : sv_2nv(sv)); |
88e89b8a | 2153 | #else |
3280af22 | 2154 | PL_basetime = (Time_t)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
88e89b8a | 2155 | #endif |
79072805 | 2156 | break; |
fde18df1 | 2157 | case '\027': /* ^W & $^WARNING_BITS */ |
4438c4b7 JH |
2158 | if (*(mg->mg_ptr+1) == '\0') { |
2159 | if ( ! (PL_dowarn & G_WARN_ALL_MASK)) { | |
2160 | i = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); | |
ac27b0f5 | 2161 | PL_dowarn = (PL_dowarn & ~G_WARN_ON) |
0453d815 | 2162 | | (i ? G_WARN_ON : G_WARN_OFF) ; |
4438c4b7 | 2163 | } |
599cee73 | 2164 | } |
0a378802 | 2165 | else if (strEQ(mg->mg_ptr+1, "ARNING_BITS")) { |
4438c4b7 | 2166 | if ( ! (PL_dowarn & G_WARN_ALL_MASK)) { |
d775746e GS |
2167 | if (!SvPOK(sv) && PL_localizing) { |
2168 | sv_setpvn(sv, WARN_NONEstring, WARNsize); | |
d3a7d8c7 | 2169 | PL_compiling.cop_warnings = pWARN_NONE; |
d775746e GS |
2170 | break; |
2171 | } | |
f4fc7782 | 2172 | { |
b5477537 | 2173 | STRLEN len, i; |
d3a7d8c7 | 2174 | int accumulate = 0 ; |
f4fc7782 | 2175 | int any_fatals = 0 ; |
35a4481c | 2176 | const char * const ptr = (char*)SvPV(sv, len) ; |
f4fc7782 JH |
2177 | for (i = 0 ; i < len ; ++i) { |
2178 | accumulate |= ptr[i] ; | |
2179 | any_fatals |= (ptr[i] & 0xAA) ; | |
2180 | } | |
d3a7d8c7 GS |
2181 | if (!accumulate) |
2182 | PL_compiling.cop_warnings = pWARN_NONE; | |
f4fc7782 JH |
2183 | else if (isWARN_on(sv, WARN_ALL) && !any_fatals) { |
2184 | PL_compiling.cop_warnings = pWARN_ALL; | |
2185 | PL_dowarn |= G_WARN_ONCE ; | |
727405f8 | 2186 | } |
d3a7d8c7 GS |
2187 | else { |
2188 | if (specialWARN(PL_compiling.cop_warnings)) | |
2189 | PL_compiling.cop_warnings = newSVsv(sv) ; | |
2190 | else | |
2191 | sv_setsv(PL_compiling.cop_warnings, sv); | |
2192 | if (isWARN_on(PL_compiling.cop_warnings, WARN_ONCE)) | |
2193 | PL_dowarn |= G_WARN_ONCE ; | |
2194 | } | |
f4fc7782 | 2195 | |
d3a7d8c7 | 2196 | } |
4438c4b7 | 2197 | } |
971a9dd3 | 2198 | } |
79072805 LW |
2199 | break; |
2200 | case '.': | |
3280af22 NIS |
2201 | if (PL_localizing) { |
2202 | if (PL_localizing == 1) | |
7766f137 | 2203 | SAVESPTR(PL_last_in_gv); |
748a9306 | 2204 | } |
3280af22 | 2205 | else if (SvOK(sv) && GvIO(PL_last_in_gv)) |
632db599 | 2206 | IoLINES(GvIOp(PL_last_in_gv)) = SvIV(sv); |
79072805 LW |
2207 | break; |
2208 | case '^': | |
3280af22 | 2209 | Safefree(IoTOP_NAME(GvIOp(PL_defoutgv))); |
e1ec3a88 | 2210 | s = IoTOP_NAME(GvIOp(PL_defoutgv)) = savesvpv(sv); |
7a5fd60d | 2211 | IoTOP_GV(GvIOp(PL_defoutgv)) = gv_fetchsv(sv,TRUE, SVt_PVIO); |
79072805 LW |
2212 | break; |
2213 | case '~': | |
3280af22 | 2214 | Safefree(IoFMT_NAME(GvIOp(PL_defoutgv))); |
e1ec3a88 | 2215 | s = IoFMT_NAME(GvIOp(PL_defoutgv)) = savesvpv(sv); |
7a5fd60d | 2216 | IoFMT_GV(GvIOp(PL_defoutgv)) = gv_fetchsv(sv,TRUE, SVt_PVIO); |
79072805 LW |
2217 | break; |
2218 | case '=': | |
632db599 | 2219 | IoPAGE_LEN(GvIOp(PL_defoutgv)) = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
2220 | break; |
2221 | case '-': | |
632db599 | 2222 | IoLINES_LEFT(GvIOp(PL_defoutgv)) = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
3280af22 NIS |
2223 | if (IoLINES_LEFT(GvIOp(PL_defoutgv)) < 0L) |
2224 | IoLINES_LEFT(GvIOp(PL_defoutgv)) = 0L; | |
79072805 LW |
2225 | break; |
2226 | case '%': | |
632db599 | 2227 | IoPAGE(GvIOp(PL_defoutgv)) = (SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
2228 | break; |
2229 | case '|': | |
4b65379b | 2230 | { |
3280af22 | 2231 | IO *io = GvIOp(PL_defoutgv); |
720f287d AB |
2232 | if(!io) |
2233 | break; | |
4b65379b CS |
2234 | if ((SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)) == 0) |
2235 | IoFLAGS(io) &= ~IOf_FLUSH; | |
2236 | else { | |
2237 | if (!(IoFLAGS(io) & IOf_FLUSH)) { | |
2238 | PerlIO *ofp = IoOFP(io); | |
2239 | if (ofp) | |
2240 | (void)PerlIO_flush(ofp); | |
2241 | IoFLAGS(io) |= IOf_FLUSH; | |
2242 | } | |
2243 | } | |
79072805 LW |
2244 | } |
2245 | break; | |
79072805 | 2246 | case '/': |
3280af22 | 2247 | SvREFCNT_dec(PL_rs); |
8bfdd7d9 | 2248 | PL_rs = newSVsv(sv); |
79072805 LW |
2249 | break; |
2250 | case '\\': | |
7889fe52 NIS |
2251 | if (PL_ors_sv) |
2252 | SvREFCNT_dec(PL_ors_sv); | |
009c130f | 2253 | if (SvOK(sv) || SvGMAGICAL(sv)) { |
7889fe52 | 2254 | PL_ors_sv = newSVsv(sv); |
009c130f | 2255 | } |
e3c19b7b | 2256 | else { |
7889fe52 | 2257 | PL_ors_sv = Nullsv; |
e3c19b7b | 2258 | } |
79072805 LW |
2259 | break; |
2260 | case ',': | |
7889fe52 NIS |
2261 | if (PL_ofs_sv) |
2262 | SvREFCNT_dec(PL_ofs_sv); | |
2263 | if (SvOK(sv) || SvGMAGICAL(sv)) { | |
2264 | PL_ofs_sv = newSVsv(sv); | |
2265 | } | |
2266 | else { | |
2267 | PL_ofs_sv = Nullsv; | |
2268 | } | |
79072805 LW |
2269 | break; |
2270 | case '#': | |
3280af22 NIS |
2271 | if (PL_ofmt) |
2272 | Safefree(PL_ofmt); | |
2e0de35c | 2273 | PL_ofmt = savesvpv(sv); |
79072805 LW |
2274 | break; |
2275 | case '[': | |
3280af22 | 2276 | PL_compiling.cop_arybase = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
79072805 LW |
2277 | break; |
2278 | case '?': | |
ff0cee69 | 2279 | #ifdef COMPLEX_STATUS |
6b88bc9c GS |
2280 | if (PL_localizing == 2) { |
2281 | PL_statusvalue = LvTARGOFF(sv); | |
2282 | PL_statusvalue_vms = LvTARGLEN(sv); | |
ff0cee69 | 2283 | } |
2284 | else | |
2285 | #endif | |
2286 | #ifdef VMSISH_STATUS | |
2287 | if (VMSISH_STATUS) | |
2288 | STATUS_NATIVE_SET((U32)(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv))); | |
2289 | else | |
2290 | #endif | |
e5218da5 | 2291 | STATUS_UNIX_SET(SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv)); |
79072805 LW |
2292 | break; |
2293 | case '!': | |
93189314 JH |
2294 | { |
2295 | #ifdef VMS | |
2296 | # define PERL_VMS_BANG vaxc$errno | |
2297 | #else | |
2298 | # define PERL_VMS_BANG 0 | |
2299 | #endif | |
91487cfc | 2300 | SETERRNO(SvIOK(sv) ? SvIVX(sv) : SvOK(sv) ? sv_2iv(sv) : 0, |
93189314 JH |
2301 | (SvIV(sv) == EVMSERR) ? 4 : PERL_VMS_BANG); |
2302 | } | |
79072805 LW |
2303 | break; |
2304 | case '<': | |
3280af22 NIS |
2305 | PL_uid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
2306 | if (PL_delaymagic) { | |
2307 | PL_delaymagic |= DM_RUID; | |
79072805 LW |
2308 | break; /* don't do magic till later */ |
2309 | } | |
2310 | #ifdef HAS_SETRUID | |
b28d0864 | 2311 | (void)setruid((Uid_t)PL_uid); |
79072805 LW |
2312 | #else |
2313 | #ifdef HAS_SETREUID | |
3280af22 | 2314 | (void)setreuid((Uid_t)PL_uid, (Uid_t)-1); |
748a9306 | 2315 | #else |
85e6fe83 | 2316 | #ifdef HAS_SETRESUID |
b28d0864 | 2317 | (void)setresuid((Uid_t)PL_uid, (Uid_t)-1, (Uid_t)-1); |
79072805 | 2318 | #else |
75870ed3 | 2319 | if (PL_uid == PL_euid) { /* special case $< = $> */ |
2320 | #ifdef PERL_DARWIN | |
2321 | /* workaround for Darwin's setuid peculiarity, cf [perl #24122] */ | |
2322 | if (PL_uid != 0 && PerlProc_getuid() == 0) | |
2323 | (void)PerlProc_setuid(0); | |
2324 | #endif | |
b28d0864 | 2325 | (void)PerlProc_setuid(PL_uid); |
75870ed3 | 2326 | } else { |
d8eceb89 | 2327 | PL_uid = PerlProc_getuid(); |
cea2e8a9 | 2328 | Perl_croak(aTHX_ "setruid() not implemented"); |
a0d0e21e | 2329 | } |
79072805 LW |
2330 | #endif |
2331 | #endif | |
85e6fe83 | 2332 | #endif |
d8eceb89 | 2333 | PL_uid = PerlProc_getuid(); |
3280af22 | 2334 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
2335 | break; |
2336 | case '>': | |
3280af22 NIS |
2337 | PL_euid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
2338 | if (PL_delaymagic) { | |
2339 | PL_delaymagic |= DM_EUID; | |
79072805 LW |
2340 | break; /* don't do magic till later */ |
2341 | } | |
2342 | #ifdef HAS_SETEUID | |
3280af22 | 2343 | (void)seteuid((Uid_t)PL_euid); |
79072805 LW |
2344 | #else |
2345 | #ifdef HAS_SETREUID | |
b28d0864 | 2346 | (void)setreuid((Uid_t)-1, (Uid_t)PL_euid); |
85e6fe83 LW |
2347 | #else |
2348 | #ifdef HAS_SETRESUID | |
6b88bc9c | 2349 | (void)setresuid((Uid_t)-1, (Uid_t)PL_euid, (Uid_t)-1); |
79072805 | 2350 | #else |
b28d0864 NIS |
2351 | if (PL_euid == PL_uid) /* special case $> = $< */ |
2352 | PerlProc_setuid(PL_euid); | |
a0d0e21e | 2353 | else { |
e8ee3774 | 2354 | PL_euid = PerlProc_geteuid(); |
cea2e8a9 | 2355 | Perl_croak(aTHX_ "seteuid() not implemented"); |
a0d0e21e | 2356 | } |
79072805 LW |
2357 | #endif |
2358 | #endif | |
85e6fe83 | 2359 | #endif |
d8eceb89 | 2360 | PL_euid = PerlProc_geteuid(); |
3280af22 | 2361 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
2362 | break; |
2363 | case '(': | |
3280af22 NIS |
2364 | PL_gid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
2365 | if (PL_delaymagic) { | |
2366 | PL_delaymagic |= DM_RGID; | |
79072805 LW |
2367 | break; /* don't do magic till later */ |
2368 | } | |
2369 | #ifdef HAS_SETRGID | |
b28d0864 | 2370 | (void)setrgid((Gid_t)PL_gid); |
79072805 LW |
2371 | #else |
2372 | #ifdef HAS_SETREGID | |
3280af22 | 2373 | (void)setregid((Gid_t)PL_gid, (Gid_t)-1); |
85e6fe83 LW |
2374 | #else |
2375 | #ifdef HAS_SETRESGID | |
b28d0864 | 2376 | (void)setresgid((Gid_t)PL_gid, (Gid_t)-1, (Gid_t) 1); |
79072805 | 2377 | #else |
b28d0864 NIS |
2378 | if (PL_gid == PL_egid) /* special case $( = $) */ |
2379 | (void)PerlProc_setgid(PL_gid); | |
748a9306 | 2380 | else { |
d8eceb89 | 2381 | PL_gid = PerlProc_getgid(); |
cea2e8a9 | 2382 | Perl_croak(aTHX_ "setrgid() not implemented"); |
748a9306 | 2383 | } |
79072805 LW |
2384 | #endif |
2385 | #endif | |
85e6fe83 | 2386 | #endif |
d8eceb89 | 2387 | PL_gid = PerlProc_getgid(); |
3280af22 | 2388 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
2389 | break; |
2390 | case ')': | |
5cd24f17 | 2391 | #ifdef HAS_SETGROUPS |
2392 | { | |
35a4481c | 2393 | const char *p = SvPV(sv, len); |
5cd24f17 | 2394 | Groups_t gary[NGROUPS]; |
2395 | ||
5cd24f17 | 2396 | while (isSPACE(*p)) |
2397 | ++p; | |
2d4389e4 | 2398 | PL_egid = Atol(p); |
5cd24f17 | 2399 | for (i = 0; i < NGROUPS; ++i) { |
2400 | while (*p && !isSPACE(*p)) | |
2401 | ++p; | |
2402 | while (isSPACE(*p)) | |
2403 | ++p; | |
2404 | if (!*p) | |
2405 | break; | |
2d4389e4 | 2406 | gary[i] = Atol(p); |
5cd24f17 | 2407 | } |
8cc95fdb | 2408 | if (i) |
2409 | (void)setgroups(i, gary); | |
5cd24f17 | 2410 | } |
2411 | #else /* HAS_SETGROUPS */ | |
b28d0864 | 2412 | PL_egid = SvIOK(sv) ? SvIVX(sv) : sv_2iv(sv); |
5cd24f17 | 2413 | #endif /* HAS_SETGROUPS */ |
3280af22 NIS |
2414 | if (PL_delaymagic) { |
2415 | PL_delaymagic |= DM_EGID; | |
79072805 LW |
2416 | break; /* don't do magic till later */ |
2417 | } | |
2418 | #ifdef HAS_SETEGID | |
3280af22 | 2419 | (void)setegid((Gid_t)PL_egid); |
79072805 LW |
2420 | #else |
2421 | #ifdef HAS_SETREGID | |
b28d0864 | 2422 | (void)setregid((Gid_t)-1, (Gid_t)PL_egid); |
85e6fe83 LW |
2423 | #else |
2424 | #ifdef HAS_SETRESGID | |
b28d0864 | 2425 | (void)setresgid((Gid_t)-1, (Gid_t)PL_egid, (Gid_t)-1); |
79072805 | 2426 | #else |
b28d0864 NIS |
2427 | if (PL_egid == PL_gid) /* special case $) = $( */ |
2428 | (void)PerlProc_setgid(PL_egid); | |
748a9306 | 2429 | else { |
d8eceb89 | 2430 | PL_egid = PerlProc_getegid(); |
cea2e8a9 | 2431 | Perl_croak(aTHX_ "setegid() not implemented"); |
748a9306 | 2432 | } |
79072805 LW |
2433 | #endif |
2434 | #endif | |
85e6fe83 | 2435 | #endif |
d8eceb89 | 2436 | PL_egid = PerlProc_getegid(); |
3280af22 | 2437 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
79072805 LW |
2438 | break; |
2439 | case ':': | |
2d8e6c8d | 2440 | PL_chopset = SvPV_force(sv,len); |
79072805 | 2441 | break; |
cd39f2b6 | 2442 | #ifndef MACOS_TRADITIONAL |
79072805 | 2443 | case '0': |
e2975953 | 2444 | LOCK_DOLLARZERO_MUTEX; |
4bc88a62 PS |
2445 | #ifdef HAS_SETPROCTITLE |
2446 | /* The BSDs don't show the argv[] in ps(1) output, they | |
2447 | * show a string from the process struct and provide | |
2448 | * the setproctitle() routine to manipulate that. */ | |
2449 | { | |
2450 | s = SvPV(sv, len); | |
98b76f99 | 2451 | # if __FreeBSD_version > 410001 |
9aad2c0e | 2452 | /* The leading "-" removes the "perl: " prefix, |
4bc88a62 PS |
2453 | * but not the "(perl) suffix from the ps(1) |
2454 | * output, because that's what ps(1) shows if the | |
2455 | * argv[] is modified. */ | |
6f2ad931 | 2456 | setproctitle("-%s", s); |
9aad2c0e | 2457 | # else /* old FreeBSDs, NetBSD, OpenBSD, anyBSD */ |
4bc88a62 PS |
2458 | /* This doesn't really work if you assume that |
2459 | * $0 = 'foobar'; will wipe out 'perl' from the $0 | |
2460 | * because in ps(1) output the result will be like | |
2461 | * sprintf("perl: %s (perl)", s) | |
2462 | * I guess this is a security feature: | |
2463 | * one (a user process) cannot get rid of the original name. | |
2464 | * --jhi */ | |
2465 | setproctitle("%s", s); | |
2466 | # endif | |
2467 | } | |
2468 | #endif | |
17aa7f3d JH |
2469 | #if defined(__hpux) && defined(PSTAT_SETCMD) |
2470 | { | |
2471 | union pstun un; | |
2472 | s = SvPV(sv, len); | |
6867be6d | 2473 | un.pst_command = (char *)s; |
17aa7f3d JH |
2474 | pstat(PSTAT_SETCMD, un, len, 0, 0); |
2475 | } | |
2476 | #endif | |
3cb9023d | 2477 | /* PL_origalen is set in perl_parse(). */ |
a0d0e21e | 2478 | s = SvPV_force(sv,len); |
6f698202 AMS |
2479 | if (len >= (STRLEN)PL_origalen-1) { |
2480 | /* Longer than original, will be truncated. We assume that | |
2481 | * PL_origalen bytes are available. */ | |
2482 | Copy(s, PL_origargv[0], PL_origalen-1, char); | |
79072805 LW |
2483 | } |
2484 | else { | |
54bfe034 JH |
2485 | /* Shorter than original, will be padded. */ |
2486 | Copy(s, PL_origargv[0], len, char); | |
2487 | PL_origargv[0][len] = 0; | |
2488 | memset(PL_origargv[0] + len + 1, | |
2489 | /* Is the space counterintuitive? Yes. | |
2490 | * (You were expecting \0?) | |
3cb9023d | 2491 | * Does it work? Seems to. (In Linux 2.4.20 at least.) |
54bfe034 JH |
2492 | * --jhi */ |
2493 | (int)' ', | |
2494 | PL_origalen - len - 1); | |
79072805 | 2495 | } |
ad7eccf4 JD |
2496 | PL_origargv[0][PL_origalen-1] = 0; |
2497 | for (i = 1; i < PL_origargc; i++) | |
2498 | PL_origargv[i] = 0; | |
e2975953 | 2499 | UNLOCK_DOLLARZERO_MUTEX; |
79072805 | 2500 | break; |
cd39f2b6 | 2501 | #endif |
79072805 LW |
2502 | } |
2503 | return 0; | |
2504 | } | |
2505 | ||
2506 | I32 | |
35a4481c | 2507 | Perl_whichsig(pTHX_ const char *sig) |
79072805 | 2508 | { |
aadb217d | 2509 | register char* const* sigv; |
79072805 | 2510 | |
aadb217d | 2511 | for (sigv = (char* const*)PL_sig_name; *sigv; sigv++) |
79072805 | 2512 | if (strEQ(sig,*sigv)) |
aadb217d | 2513 | return PL_sig_num[sigv - (char* const*)PL_sig_name]; |
79072805 LW |
2514 | #ifdef SIGCLD |
2515 | if (strEQ(sig,"CHLD")) | |
2516 | return SIGCLD; | |
2517 | #endif | |
2518 | #ifdef SIGCHLD | |
2519 | if (strEQ(sig,"CLD")) | |
2520 | return SIGCHLD; | |
2521 | #endif | |
7f1236c0 | 2522 | return -1; |
79072805 LW |
2523 | } |
2524 | ||
ecfc5424 | 2525 | Signal_t |
cea2e8a9 | 2526 | Perl_sighandler(int sig) |
79072805 | 2527 | { |
1018e26f NIS |
2528 | #ifdef PERL_GET_SIG_CONTEXT |
2529 | dTHXa(PERL_GET_SIG_CONTEXT); | |
71d280e3 | 2530 | #else |
cea2e8a9 | 2531 | dTHX; |
71d280e3 | 2532 | #endif |
79072805 | 2533 | dSP; |
00d579c5 | 2534 | GV *gv = Nullgv; |
a0d0e21e | 2535 | HV *st; |
b7953727 | 2536 | SV *sv = Nullsv, *tSv = PL_Sv; |
00d579c5 | 2537 | CV *cv = Nullcv; |
533c011a | 2538 | OP *myop = PL_op; |
84902520 | 2539 | U32 flags = 0; |
3280af22 | 2540 | XPV *tXpv = PL_Xpv; |
71d280e3 | 2541 | |
3280af22 | 2542 | if (PL_savestack_ix + 15 <= PL_savestack_max) |
84902520 | 2543 | flags |= 1; |
3280af22 | 2544 | if (PL_markstack_ptr < PL_markstack_max - 2) |
84902520 | 2545 | flags |= 4; |
3280af22 | 2546 | if (PL_scopestack_ix < PL_scopestack_max - 3) |
84902520 TB |
2547 | flags |= 16; |
2548 | ||
727405f8 | 2549 | if (!PL_psig_ptr[sig]) { |
99ef548b | 2550 | PerlIO_printf(Perl_error_log, "Signal SIG%s received, but no signal handler set.\n", |
727405f8 NIS |
2551 | PL_sig_name[sig]); |
2552 | exit(sig); | |
2553 | } | |
ff0cee69 | 2554 | |
84902520 TB |
2555 | /* Max number of items pushed there is 3*n or 4. We cannot fix |
2556 | infinity, so we fix 4 (in fact 5): */ | |
2557 | if (flags & 1) { | |
3280af22 | 2558 | PL_savestack_ix += 5; /* Protect save in progress. */ |
c76ac1ee | 2559 | SAVEDESTRUCTOR_X(unwind_handler_stack, (void*)&flags); |
84902520 | 2560 | } |
ac27b0f5 | 2561 | if (flags & 4) |
3280af22 | 2562 | PL_markstack_ptr++; /* Protect mark. */ |
84902520 | 2563 | if (flags & 16) |
3280af22 | 2564 | PL_scopestack_ix += 1; |
84902520 | 2565 | /* sv_2cv is too complicated, try a simpler variant first: */ |
ac27b0f5 | 2566 | if (!SvROK(PL_psig_ptr[sig]) || !(cv = (CV*)SvRV(PL_psig_ptr[sig])) |
84902520 | 2567 | || SvTYPE(cv) != SVt_PVCV) |
22c35a8c | 2568 | cv = sv_2cv(PL_psig_ptr[sig],&st,&gv,TRUE); |
84902520 | 2569 | |
a0d0e21e | 2570 | if (!cv || !CvROOT(cv)) { |
599cee73 | 2571 | if (ckWARN(WARN_SIGNAL)) |
9014280d | 2572 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), "SIG%s handler \"%s\" not defined.\n", |
22c35a8c | 2573 | PL_sig_name[sig], (gv ? GvENAME(gv) |
00d579c5 GS |
2574 | : ((cv && CvGV(cv)) |
2575 | ? GvENAME(CvGV(cv)) | |
2576 | : "__ANON__"))); | |
2577 | goto cleanup; | |
79072805 LW |
2578 | } |
2579 | ||
22c35a8c GS |
2580 | if(PL_psig_name[sig]) { |
2581 | sv = SvREFCNT_inc(PL_psig_name[sig]); | |
84902520 | 2582 | flags |= 64; |
df3728a2 | 2583 | #if !defined(PERL_IMPLICIT_CONTEXT) |
27da23d5 | 2584 | PL_sig_sv = sv; |
df3728a2 | 2585 | #endif |
84902520 | 2586 | } else { |
ff0cee69 | 2587 | sv = sv_newmortal(); |
22c35a8c | 2588 | sv_setpv(sv,PL_sig_name[sig]); |
88e89b8a | 2589 | } |
e336de0d | 2590 | |
e788e7d3 | 2591 | PUSHSTACKi(PERLSI_SIGNAL); |
924508f0 | 2592 | PUSHMARK(SP); |
79072805 | 2593 | PUSHs(sv); |
79072805 | 2594 | PUTBACK; |
a0d0e21e | 2595 | |
1b266415 | 2596 | call_sv((SV*)cv, G_DISCARD|G_EVAL); |
79072805 | 2597 | |
d3acc0f7 | 2598 | POPSTACK; |
1b266415 | 2599 | if (SvTRUE(ERRSV)) { |
1d615522 | 2600 | #ifndef PERL_MICRO |
983dbef6 | 2601 | #ifdef HAS_SIGPROCMASK |
1b266415 NIS |
2602 | /* Handler "died", for example to get out of a restart-able read(). |
2603 | * Before we re-do that on its behalf re-enable the signal which was | |
2604 | * blocked by the system when we entered. | |
2605 | */ | |
2606 | sigset_t set; | |
2607 | sigemptyset(&set); | |
2608 | sigaddset(&set,sig); | |
2609 | sigprocmask(SIG_UNBLOCK, &set, NULL); | |
2610 | #else | |
2611 | /* Not clear if this will work */ | |
2612 | (void)rsignal(sig, SIG_IGN); | |
5c1546dc | 2613 | (void)rsignal(sig, PL_csighandlerp); |
1b266415 | 2614 | #endif |
1d615522 | 2615 | #endif /* !PERL_MICRO */ |
5df617be | 2616 | DieNull; |
1b266415 | 2617 | } |
00d579c5 | 2618 | cleanup: |
84902520 | 2619 | if (flags & 1) |
3280af22 | 2620 | PL_savestack_ix -= 8; /* Unprotect save in progress. */ |
ac27b0f5 | 2621 | if (flags & 4) |
3280af22 | 2622 | PL_markstack_ptr--; |
84902520 | 2623 | if (flags & 16) |
3280af22 | 2624 | PL_scopestack_ix -= 1; |
84902520 TB |
2625 | if (flags & 64) |
2626 | SvREFCNT_dec(sv); | |
533c011a | 2627 | PL_op = myop; /* Apparently not needed... */ |
ac27b0f5 | 2628 | |
3280af22 NIS |
2629 | PL_Sv = tSv; /* Restore global temporaries. */ |
2630 | PL_Xpv = tXpv; | |
53bb94e2 | 2631 | return; |
79072805 | 2632 | } |
4e35701f NIS |
2633 | |
2634 | ||
51371543 | 2635 | static void |
35a4481c | 2636 | restore_magic(pTHX_ const void *p) |
51371543 | 2637 | { |
48944bdf | 2638 | MGS* mgs = SSPTR(PTR2IV(p), MGS*); |
51371543 GS |
2639 | SV* sv = mgs->mgs_sv; |
2640 | ||
2641 | if (!sv) | |
2642 | return; | |
2643 | ||
2644 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) | |
2645 | { | |
f8c7b90f | 2646 | #ifdef PERL_OLD_COPY_ON_WRITE |
f9701176 NC |
2647 | /* While magic was saved (and off) sv_setsv may well have seen |
2648 | this SV as a prime candidate for COW. */ | |
2649 | if (SvIsCOW(sv)) | |
2650 | sv_force_normal(sv); | |
2651 | #endif | |
2652 | ||
51371543 GS |
2653 | if (mgs->mgs_flags) |
2654 | SvFLAGS(sv) |= mgs->mgs_flags; | |
2655 | else | |
2656 | mg_magical(sv); | |
2657 | if (SvGMAGICAL(sv)) | |
2658 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
2659 | } | |
2660 | ||
2661 | mgs->mgs_sv = NULL; /* mark the MGS structure as restored */ | |
2662 | ||
2663 | /* If we're still on top of the stack, pop us off. (That condition | |
2664 | * will be satisfied if restore_magic was called explicitly, but *not* | |
2665 | * if it's being called via leave_scope.) | |
2666 | * The reason for doing this is that otherwise, things like sv_2cv() | |
2667 | * may leave alloc gunk on the savestack, and some code | |
2668 | * (e.g. sighandler) doesn't expect that... | |
2669 | */ | |
2670 | if (PL_savestack_ix == mgs->mgs_ss_ix) | |
2671 | { | |
2672 | I32 popval = SSPOPINT; | |
c76ac1ee | 2673 | assert(popval == SAVEt_DESTRUCTOR_X); |
51371543 GS |
2674 | PL_savestack_ix -= 2; |
2675 | popval = SSPOPINT; | |
2676 | assert(popval == SAVEt_ALLOC); | |
2677 | popval = SSPOPINT; | |
2678 | PL_savestack_ix -= popval; | |
2679 | } | |
2680 | ||
2681 | } | |
2682 | ||
2683 | static void | |
35a4481c | 2684 | unwind_handler_stack(pTHX_ const void *p) |
51371543 | 2685 | { |
27da23d5 | 2686 | dVAR; |
e1ec3a88 | 2687 | const U32 flags = *(const U32*)p; |
51371543 GS |
2688 | |
2689 | if (flags & 1) | |
2690 | PL_savestack_ix -= 5; /* Unprotect save in progress. */ | |
2691 | /* cxstack_ix-- Not needed, die already unwound it. */ | |
df3728a2 | 2692 | #if !defined(PERL_IMPLICIT_CONTEXT) |
51371543 | 2693 | if (flags & 64) |
27da23d5 | 2694 | SvREFCNT_dec(PL_sig_sv); |
df3728a2 | 2695 | #endif |
51371543 | 2696 | } |
1018e26f | 2697 | |
66610fdd RGS |
2698 | /* |
2699 | * Local variables: | |
2700 | * c-indentation-style: bsd | |
2701 | * c-basic-offset: 4 | |
2702 | * indent-tabs-mode: t | |
2703 | * End: | |
2704 | * | |
37442d52 RGS |
2705 | * ex: set ts=8 sts=4 sw=4 noet: |
2706 | */ |