Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
3818b22b | 3 | * Copyright (c) 1987-2000 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b | 14 | #include "EXTERN.h" |
864dbfa3 | 15 | #define PERL_IN_PERL_C |
378cc40b | 16 | #include "perl.h" |
e3321bb0 | 17 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 18 | |
df5cef82 | 19 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
20 | #ifdef I_UNISTD |
21 | #include <unistd.h> | |
22 | #endif | |
a0d0e21e | 23 | |
54310121 | 24 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
20ce7b12 | 25 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 26 | #endif |
27 | ||
0cb96387 GS |
28 | static I32 read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen); |
29 | ||
a687059c LW |
30 | #ifdef IAMSUID |
31 | #ifndef DOSUID | |
32 | #define DOSUID | |
33 | #endif | |
34 | #endif | |
378cc40b | 35 | |
a687059c LW |
36 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
37 | #ifdef DOSUID | |
38 | #undef DOSUID | |
39 | #endif | |
40 | #endif | |
8d063cd8 | 41 | |
873ef191 | 42 | #ifdef PERL_OBJECT |
7766f137 GS |
43 | #define perl_construct Perl_construct |
44 | #define perl_parse Perl_parse | |
45 | #define perl_run Perl_run | |
46 | #define perl_destruct Perl_destruct | |
47 | #define perl_free Perl_free | |
48 | #endif | |
32e30700 | 49 | |
06d86050 GS |
50 | #if defined(USE_THREADS) |
51 | # define INIT_TLS_AND_INTERP \ | |
52 | STMT_START { \ | |
53 | if (!PL_curinterp) { \ | |
54 | PERL_SET_INTERP(my_perl); \ | |
55 | INIT_THREADS; \ | |
56 | ALLOC_THREAD_KEY; \ | |
57 | } \ | |
58 | } STMT_END | |
59 | #else | |
60 | # if defined(USE_ITHREADS) | |
61 | # define INIT_TLS_AND_INTERP \ | |
62 | STMT_START { \ | |
63 | if (!PL_curinterp) { \ | |
64 | PERL_SET_INTERP(my_perl); \ | |
65 | INIT_THREADS; \ | |
66 | ALLOC_THREAD_KEY; \ | |
67 | } \ | |
68 | PERL_SET_THX(my_perl); \ | |
69 | } STMT_END | |
70 | # else | |
71 | # define INIT_TLS_AND_INTERP \ | |
72 | STMT_START { \ | |
73 | if (!PL_curinterp) { \ | |
74 | PERL_SET_INTERP(my_perl); \ | |
75 | } \ | |
76 | PERL_SET_THX(my_perl); \ | |
77 | } STMT_END | |
78 | # endif | |
79 | #endif | |
80 | ||
32e30700 GS |
81 | #ifdef PERL_IMPLICIT_SYS |
82 | PerlInterpreter * | |
7766f137 GS |
83 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
84 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
85 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
86 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
87 | struct IPerlProc* ipP) | |
88 | { | |
89 | PerlInterpreter *my_perl; | |
7766f137 GS |
90 | #ifdef PERL_OBJECT |
91 | my_perl = (PerlInterpreter*)new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd, | |
92 | ipLIO, ipD, ipS, ipP); | |
06d86050 | 93 | INIT_TLS_AND_INTERP; |
7766f137 | 94 | #else |
32e30700 GS |
95 | /* New() needs interpreter, so call malloc() instead */ |
96 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
06d86050 | 97 | INIT_TLS_AND_INTERP; |
32e30700 GS |
98 | Zero(my_perl, 1, PerlInterpreter); |
99 | PL_Mem = ipM; | |
7766f137 GS |
100 | PL_MemShared = ipMS; |
101 | PL_MemParse = ipMP; | |
32e30700 GS |
102 | PL_Env = ipE; |
103 | PL_StdIO = ipStd; | |
104 | PL_LIO = ipLIO; | |
105 | PL_Dir = ipD; | |
106 | PL_Sock = ipS; | |
107 | PL_Proc = ipP; | |
7766f137 GS |
108 | #endif |
109 | ||
32e30700 GS |
110 | return my_perl; |
111 | } | |
112 | #else | |
954c1994 GS |
113 | |
114 | /* | |
115 | =for apidoc perl_alloc | |
116 | ||
117 | Allocates a new Perl interpreter. See L<perlembed>. | |
118 | ||
119 | =cut | |
120 | */ | |
121 | ||
93a17b20 | 122 | PerlInterpreter * |
cea2e8a9 | 123 | perl_alloc(void) |
79072805 | 124 | { |
cea2e8a9 | 125 | PerlInterpreter *my_perl; |
79072805 | 126 | |
54aff467 | 127 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 128 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 129 | |
06d86050 | 130 | INIT_TLS_AND_INTERP; |
dedcbb81 | 131 | Zero(my_perl, 1, PerlInterpreter); |
cea2e8a9 | 132 | return my_perl; |
79072805 | 133 | } |
32e30700 | 134 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 135 | |
954c1994 GS |
136 | /* |
137 | =for apidoc perl_construct | |
138 | ||
139 | Initializes a new Perl interpreter. See L<perlembed>. | |
140 | ||
141 | =cut | |
142 | */ | |
143 | ||
79072805 | 144 | void |
0cb96387 | 145 | perl_construct(pTHXx) |
79072805 | 146 | { |
a863c7d1 MB |
147 | #ifdef USE_THREADS |
148 | int i; | |
149 | #ifndef FAKE_THREADS | |
e1f15930 | 150 | struct perl_thread *thr = NULL; |
a863c7d1 MB |
151 | #endif /* FAKE_THREADS */ |
152 | #endif /* USE_THREADS */ | |
ba869deb | 153 | |
8990e307 | 154 | #ifdef MULTIPLICITY |
54aff467 GS |
155 | init_interp(); |
156 | PL_perl_destruct_level = 1; | |
157 | #else | |
158 | if (PL_perl_destruct_level > 0) | |
159 | init_interp(); | |
160 | #endif | |
161 | ||
33f46ff6 | 162 | /* Init the real globals (and main thread)? */ |
3280af22 | 163 | if (!PL_linestr) { |
1feb2720 | 164 | #ifdef USE_THREADS |
533c011a | 165 | MUTEX_INIT(&PL_sv_mutex); |
a863c7d1 MB |
166 | /* |
167 | * Safe to use basic SV functions from now on (though | |
168 | * not things like mortals or tainting yet). | |
169 | */ | |
533c011a NIS |
170 | MUTEX_INIT(&PL_eval_mutex); |
171 | COND_INIT(&PL_eval_cond); | |
172 | MUTEX_INIT(&PL_threads_mutex); | |
173 | COND_INIT(&PL_nthreads_cond); | |
ba869deb | 174 | # ifdef EMULATE_ATOMIC_REFCOUNTS |
533c011a | 175 | MUTEX_INIT(&PL_svref_mutex); |
ba869deb | 176 | # endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 | 177 | |
5ff3f7a4 GS |
178 | MUTEX_INIT(&PL_cred_mutex); |
179 | ||
199100c8 | 180 | thr = init_main_thread(); |
11343788 MB |
181 | #endif /* USE_THREADS */ |
182 | ||
14dd3ad8 | 183 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
0b94c7bb | 184 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
14dd3ad8 | 185 | #endif |
312caa8e | 186 | |
2aea9f8a GS |
187 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
188 | ||
3280af22 NIS |
189 | PL_linestr = NEWSV(65,79); |
190 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 191 | |
3280af22 | 192 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
193 | /* set read-only and try to insure than we wont see REFCNT==0 |
194 | very often */ | |
195 | ||
3280af22 NIS |
196 | SvREADONLY_on(&PL_sv_undef); |
197 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 198 | |
3280af22 NIS |
199 | sv_setpv(&PL_sv_no,PL_No); |
200 | SvNV(&PL_sv_no); | |
201 | SvREADONLY_on(&PL_sv_no); | |
202 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 203 | |
3280af22 NIS |
204 | sv_setpv(&PL_sv_yes,PL_Yes); |
205 | SvNV(&PL_sv_yes); | |
206 | SvREADONLY_on(&PL_sv_yes); | |
207 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 208 | } |
79072805 | 209 | |
76e3520e GS |
210 | #ifdef PERL_OBJECT |
211 | /* TODO: */ | |
6b88bc9c | 212 | /* PL_sighandlerp = sighandler; */ |
76e3520e | 213 | #else |
cea2e8a9 | 214 | PL_sighandlerp = Perl_sighandler; |
76e3520e | 215 | #endif |
3280af22 | 216 | PL_pidstatus = newHV(); |
44a8e56a | 217 | |
79072805 LW |
218 | #ifdef MSDOS |
219 | /* | |
220 | * There is no way we can refer to them from Perl so close them to save | |
221 | * space. The other alternative would be to provide STDAUX and STDPRN | |
222 | * filehandles. | |
223 | */ | |
224 | (void)fclose(stdaux); | |
225 | (void)fclose(stdprn); | |
226 | #endif | |
227 | } | |
228 | ||
79cb57f6 | 229 | PL_nrs = newSVpvn("\n", 1); |
3280af22 | 230 | PL_rs = SvREFCNT_inc(PL_nrs); |
dc92893f | 231 | |
cea2e8a9 | 232 | init_stacks(); |
79072805 | 233 | |
748a9306 | 234 | init_ids(); |
3280af22 | 235 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 236 | |
312caa8e | 237 | JMPENV_BOOTSTRAP; |
f86702cc | 238 | STATUS_ALL_SUCCESS; |
239 | ||
0672f40e | 240 | init_i18nl10n(1); |
36477c24 | 241 | SET_NUMERIC_STANDARD(); |
0b5b802d | 242 | |
a7cb1f99 GS |
243 | { |
244 | U8 *s; | |
245 | PL_patchlevel = NEWSV(0,4); | |
155aba94 | 246 | (void)SvUPGRADE(PL_patchlevel, SVt_PVNV); |
a7cb1f99 | 247 | if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127) |
806e7201 | 248 | SvGROW(PL_patchlevel, UTF8_MAXLEN*3+1); |
a7cb1f99 GS |
249 | s = (U8*)SvPVX(PL_patchlevel); |
250 | s = uv_to_utf8(s, (UV)PERL_REVISION); | |
251 | s = uv_to_utf8(s, (UV)PERL_VERSION); | |
252 | s = uv_to_utf8(s, (UV)PERL_SUBVERSION); | |
253 | *s = '\0'; | |
254 | SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel)); | |
255 | SvPOK_on(PL_patchlevel); | |
256 | SvNVX(PL_patchlevel) = (NV)PERL_REVISION | |
257 | + ((NV)PERL_VERSION / (NV)1000) | |
cceca5ed | 258 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
a7cb1f99 | 259 | + ((NV)PERL_SUBVERSION / (NV)1000000) |
a5f75d66 | 260 | #endif |
a7cb1f99 GS |
261 | ; |
262 | SvNOK_on(PL_patchlevel); /* dual valued */ | |
263 | SvUTF8_on(PL_patchlevel); | |
264 | SvREADONLY_on(PL_patchlevel); | |
265 | } | |
79072805 | 266 | |
ab821d7f | 267 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 268 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 269 | #endif |
270 | ||
4b556e6c | 271 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 272 | |
3280af22 NIS |
273 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
274 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 275 | |
8990e307 | 276 | ENTER; |
79072805 LW |
277 | } |
278 | ||
954c1994 GS |
279 | /* |
280 | =for apidoc perl_destruct | |
281 | ||
282 | Shuts down a Perl interpreter. See L<perlembed>. | |
283 | ||
284 | =cut | |
285 | */ | |
286 | ||
79072805 | 287 | void |
0cb96387 | 288 | perl_destruct(pTHXx) |
79072805 | 289 | { |
11343788 | 290 | dTHR; |
748a9306 | 291 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 292 | I32 last_sv_count; |
a0d0e21e | 293 | HV *hv; |
1f2bfc8a | 294 | #ifdef USE_THREADS |
33f46ff6 | 295 | Thread t; |
cea2e8a9 | 296 | dTHX; |
1f2bfc8a | 297 | #endif /* USE_THREADS */ |
8990e307 | 298 | |
7766f137 GS |
299 | /* wait for all pseudo-forked children to finish */ |
300 | PERL_WAIT_FOR_CHILDREN; | |
301 | ||
11343788 | 302 | #ifdef USE_THREADS |
0f15f207 | 303 | #ifndef FAKE_THREADS |
8023c3ce MB |
304 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
305 | retry_cleanup: | |
533c011a | 306 | MUTEX_LOCK(&PL_threads_mutex); |
bf49b057 | 307 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 308 | "perl_destruct: waiting for %d threads...\n", |
533c011a | 309 | PL_nthreads - 1)); |
33f46ff6 | 310 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 MB |
311 | MUTEX_LOCK(&t->mutex); |
312 | switch (ThrSTATE(t)) { | |
313 | AV *av; | |
c7848ba1 | 314 | case THRf_ZOMBIE: |
bf49b057 | 315 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 316 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 MB |
317 | ThrSETSTATE(t, THRf_DEAD); |
318 | MUTEX_UNLOCK(&t->mutex); | |
533c011a | 319 | PL_nthreads--; |
8023c3ce MB |
320 | /* |
321 | * The SvREFCNT_dec below may take a long time (e.g. av | |
322 | * may contain an object scalar whose destructor gets | |
323 | * called) so we have to unlock threads_mutex and start | |
324 | * all over again. | |
325 | */ | |
533c011a | 326 | MUTEX_UNLOCK(&PL_threads_mutex); |
ea0efc06 | 327 | JOIN(t, &av); |
605e5515 | 328 | SvREFCNT_dec((SV*)av); |
bf49b057 | 329 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 330 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce | 331 | goto retry_cleanup; |
c7848ba1 | 332 | case THRf_R_JOINABLE: |
bf49b057 | 333 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
334 | "perl_destruct: detaching thread %p\n", t)); |
335 | ThrSETSTATE(t, THRf_R_DETACHED); | |
336 | /* | |
337 | * We unlock threads_mutex and t->mutex in the opposite order | |
338 | * from which we locked them just so that DETACH won't | |
339 | * deadlock if it panics. It's only a breach of good style | |
340 | * not a bug since they are unlocks not locks. | |
341 | */ | |
533c011a | 342 | MUTEX_UNLOCK(&PL_threads_mutex); |
c7848ba1 MB |
343 | DETACH(t); |
344 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 345 | goto retry_cleanup; |
c7848ba1 | 346 | default: |
bf49b057 | 347 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
348 | "perl_destruct: ignoring %p (state %u)\n", |
349 | t, ThrSTATE(t))); | |
350 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 351 | /* fall through and out */ |
33f46ff6 MB |
352 | } |
353 | } | |
8023c3ce MB |
354 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
355 | ||
356 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
533c011a | 357 | while (PL_nthreads > 1) |
11343788 | 358 | { |
bf49b057 | 359 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 360 | "perl_destruct: final wait for %d threads\n", |
533c011a NIS |
361 | PL_nthreads - 1)); |
362 | COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex); | |
11343788 MB |
363 | } |
364 | /* At this point, we're the last thread */ | |
533c011a | 365 | MUTEX_UNLOCK(&PL_threads_mutex); |
bf49b057 | 366 | DEBUG_S(PerlIO_printf(Perl_debug_log, "perl_destruct: armageddon has arrived\n")); |
533c011a NIS |
367 | MUTEX_DESTROY(&PL_threads_mutex); |
368 | COND_DESTROY(&PL_nthreads_cond); | |
0f15f207 | 369 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
370 | #endif /* USE_THREADS */ |
371 | ||
3280af22 | 372 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
373 | #ifdef DEBUGGING |
374 | { | |
375 | char *s; | |
155aba94 | 376 | if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) { |
5f05dabc | 377 | int i = atoi(s); |
378 | if (destruct_level < i) | |
379 | destruct_level = i; | |
380 | } | |
4633a7c4 LW |
381 | } |
382 | #endif | |
383 | ||
8990e307 | 384 | LEAVE; |
a0d0e21e LW |
385 | FREETMPS; |
386 | ||
ff0cee69 | 387 | /* We must account for everything. */ |
388 | ||
389 | /* Destroy the main CV and syntax tree */ | |
3280af22 NIS |
390 | if (PL_main_root) { |
391 | PL_curpad = AvARRAY(PL_comppad); | |
392 | op_free(PL_main_root); | |
393 | PL_main_root = Nullop; | |
a0d0e21e | 394 | } |
3280af22 NIS |
395 | PL_curcop = &PL_compiling; |
396 | PL_main_start = Nullop; | |
397 | SvREFCNT_dec(PL_main_cv); | |
398 | PL_main_cv = Nullcv; | |
24d3c518 | 399 | PL_dirty = TRUE; |
ff0cee69 | 400 | |
3280af22 | 401 | if (PL_sv_objcount) { |
a0d0e21e LW |
402 | /* |
403 | * Try to destruct global references. We do this first so that the | |
404 | * destructors and destructees still exist. Some sv's might remain. | |
405 | * Non-referenced objects are on their own. | |
406 | */ | |
a0d0e21e | 407 | sv_clean_objs(); |
8990e307 LW |
408 | } |
409 | ||
5cd24f17 | 410 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
411 | SvREFCNT_dec(PL_warnhook); |
412 | PL_warnhook = Nullsv; | |
413 | SvREFCNT_dec(PL_diehook); | |
414 | PL_diehook = Nullsv; | |
5cd24f17 | 415 | |
4b556e6c | 416 | /* call exit list functions */ |
3280af22 | 417 | while (PL_exitlistlen-- > 0) |
0cb96387 | 418 | PL_exitlist[PL_exitlistlen].fn(aTHXo_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 419 | |
3280af22 | 420 | Safefree(PL_exitlist); |
4b556e6c | 421 | |
a0d0e21e | 422 | if (destruct_level == 0){ |
8990e307 | 423 | |
a0d0e21e LW |
424 | DEBUG_P(debprofdump()); |
425 | ||
426 | /* The exit() function will do everything that needs doing. */ | |
427 | return; | |
428 | } | |
5dd60ef7 | 429 | |
5f05dabc | 430 | /* loosen bonds of global variables */ |
431 | ||
3280af22 NIS |
432 | if(PL_rsfp) { |
433 | (void)PerlIO_close(PL_rsfp); | |
434 | PL_rsfp = Nullfp; | |
8ebc5c01 | 435 | } |
436 | ||
437 | /* Filters for program text */ | |
3280af22 NIS |
438 | SvREFCNT_dec(PL_rsfp_filters); |
439 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 440 | |
441 | /* switches */ | |
3280af22 NIS |
442 | PL_preprocess = FALSE; |
443 | PL_minus_n = FALSE; | |
444 | PL_minus_p = FALSE; | |
445 | PL_minus_l = FALSE; | |
446 | PL_minus_a = FALSE; | |
447 | PL_minus_F = FALSE; | |
448 | PL_doswitches = FALSE; | |
599cee73 | 449 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
450 | PL_doextract = FALSE; |
451 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
452 | PL_unsafe = FALSE; |
453 | ||
454 | Safefree(PL_inplace); | |
455 | PL_inplace = Nullch; | |
a7cb1f99 | 456 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
457 | |
458 | if (PL_e_script) { | |
459 | SvREFCNT_dec(PL_e_script); | |
460 | PL_e_script = Nullsv; | |
8ebc5c01 | 461 | } |
462 | ||
463 | /* magical thingies */ | |
464 | ||
d33b2eba | 465 | Safefree(PL_ofs); /* $, */ |
3280af22 | 466 | PL_ofs = Nullch; |
5f05dabc | 467 | |
d33b2eba | 468 | Safefree(PL_ors); /* $\ */ |
3280af22 | 469 | PL_ors = Nullch; |
8ebc5c01 | 470 | |
3280af22 NIS |
471 | SvREFCNT_dec(PL_rs); /* $/ */ |
472 | PL_rs = Nullsv; | |
dc92893f | 473 | |
3280af22 NIS |
474 | SvREFCNT_dec(PL_nrs); /* $/ helper */ |
475 | PL_nrs = Nullsv; | |
5f05dabc | 476 | |
d33b2eba GS |
477 | PL_multiline = 0; /* $* */ |
478 | Safefree(PL_osname); /* $^O */ | |
479 | PL_osname = Nullch; | |
5f05dabc | 480 | |
3280af22 NIS |
481 | SvREFCNT_dec(PL_statname); |
482 | PL_statname = Nullsv; | |
483 | PL_statgv = Nullgv; | |
5f05dabc | 484 | |
8ebc5c01 | 485 | /* defgv, aka *_ should be taken care of elsewhere */ |
486 | ||
8ebc5c01 | 487 | /* clean up after study() */ |
3280af22 NIS |
488 | SvREFCNT_dec(PL_lastscream); |
489 | PL_lastscream = Nullsv; | |
490 | Safefree(PL_screamfirst); | |
491 | PL_screamfirst = 0; | |
492 | Safefree(PL_screamnext); | |
493 | PL_screamnext = 0; | |
8ebc5c01 | 494 | |
7d5ea4e7 GS |
495 | /* float buffer */ |
496 | Safefree(PL_efloatbuf); | |
497 | PL_efloatbuf = Nullch; | |
498 | PL_efloatsize = 0; | |
499 | ||
8ebc5c01 | 500 | /* startup and shutdown function lists */ |
3280af22 NIS |
501 | SvREFCNT_dec(PL_beginav); |
502 | SvREFCNT_dec(PL_endav); | |
7d30b5c4 | 503 | SvREFCNT_dec(PL_checkav); |
3280af22 NIS |
504 | SvREFCNT_dec(PL_initav); |
505 | PL_beginav = Nullav; | |
506 | PL_endav = Nullav; | |
7d30b5c4 | 507 | PL_checkav = Nullav; |
3280af22 | 508 | PL_initav = Nullav; |
5618dfe8 | 509 | |
8ebc5c01 | 510 | /* shortcuts just get cleared */ |
3280af22 | 511 | PL_envgv = Nullgv; |
3280af22 NIS |
512 | PL_incgv = Nullgv; |
513 | PL_hintgv = Nullgv; | |
514 | PL_errgv = Nullgv; | |
515 | PL_argvgv = Nullgv; | |
516 | PL_argvoutgv = Nullgv; | |
517 | PL_stdingv = Nullgv; | |
bf49b057 | 518 | PL_stderrgv = Nullgv; |
3280af22 NIS |
519 | PL_last_in_gv = Nullgv; |
520 | PL_replgv = Nullgv; | |
5c831c24 | 521 | PL_debstash = Nullhv; |
8ebc5c01 | 522 | |
523 | /* reset so print() ends up where we expect */ | |
524 | setdefout(Nullgv); | |
5c831c24 | 525 | |
7a1c5554 GS |
526 | SvREFCNT_dec(PL_argvout_stack); |
527 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 528 | |
5c831c24 GS |
529 | SvREFCNT_dec(PL_modglobal); |
530 | PL_modglobal = Nullhv; | |
531 | SvREFCNT_dec(PL_preambleav); | |
532 | PL_preambleav = Nullav; | |
533 | SvREFCNT_dec(PL_subname); | |
534 | PL_subname = Nullsv; | |
535 | SvREFCNT_dec(PL_linestr); | |
536 | PL_linestr = Nullsv; | |
537 | SvREFCNT_dec(PL_pidstatus); | |
538 | PL_pidstatus = Nullhv; | |
539 | SvREFCNT_dec(PL_toptarget); | |
540 | PL_toptarget = Nullsv; | |
541 | SvREFCNT_dec(PL_bodytarget); | |
542 | PL_bodytarget = Nullsv; | |
543 | PL_formtarget = Nullsv; | |
544 | ||
d33b2eba | 545 | /* free locale stuff */ |
b9582b6a | 546 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
547 | Safefree(PL_collation_name); |
548 | PL_collation_name = Nullch; | |
b9582b6a | 549 | #endif |
d33b2eba | 550 | |
b9582b6a | 551 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
552 | Safefree(PL_numeric_name); |
553 | PL_numeric_name = Nullch; | |
b9582b6a | 554 | #endif |
d33b2eba | 555 | |
5c831c24 GS |
556 | /* clear utf8 character classes */ |
557 | SvREFCNT_dec(PL_utf8_alnum); | |
558 | SvREFCNT_dec(PL_utf8_alnumc); | |
559 | SvREFCNT_dec(PL_utf8_ascii); | |
560 | SvREFCNT_dec(PL_utf8_alpha); | |
561 | SvREFCNT_dec(PL_utf8_space); | |
562 | SvREFCNT_dec(PL_utf8_cntrl); | |
563 | SvREFCNT_dec(PL_utf8_graph); | |
564 | SvREFCNT_dec(PL_utf8_digit); | |
565 | SvREFCNT_dec(PL_utf8_upper); | |
566 | SvREFCNT_dec(PL_utf8_lower); | |
567 | SvREFCNT_dec(PL_utf8_print); | |
568 | SvREFCNT_dec(PL_utf8_punct); | |
569 | SvREFCNT_dec(PL_utf8_xdigit); | |
570 | SvREFCNT_dec(PL_utf8_mark); | |
571 | SvREFCNT_dec(PL_utf8_toupper); | |
572 | SvREFCNT_dec(PL_utf8_tolower); | |
573 | PL_utf8_alnum = Nullsv; | |
574 | PL_utf8_alnumc = Nullsv; | |
575 | PL_utf8_ascii = Nullsv; | |
576 | PL_utf8_alpha = Nullsv; | |
577 | PL_utf8_space = Nullsv; | |
578 | PL_utf8_cntrl = Nullsv; | |
579 | PL_utf8_graph = Nullsv; | |
580 | PL_utf8_digit = Nullsv; | |
581 | PL_utf8_upper = Nullsv; | |
582 | PL_utf8_lower = Nullsv; | |
583 | PL_utf8_print = Nullsv; | |
584 | PL_utf8_punct = Nullsv; | |
585 | PL_utf8_xdigit = Nullsv; | |
586 | PL_utf8_mark = Nullsv; | |
587 | PL_utf8_toupper = Nullsv; | |
588 | PL_utf8_totitle = Nullsv; | |
589 | PL_utf8_tolower = Nullsv; | |
590 | ||
971a9dd3 GS |
591 | if (!specialWARN(PL_compiling.cop_warnings)) |
592 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 593 | PL_compiling.cop_warnings = Nullsv; |
01724ea0 GS |
594 | #ifndef USE_ITHREADS |
595 | SvREFCNT_dec(CopFILEGV(&PL_compiling)); | |
596 | CopFILEGV_set(&PL_compiling, Nullgv); | |
597 | #endif | |
5c831c24 | 598 | |
a0d0e21e | 599 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 600 | |
3280af22 NIS |
601 | hv = PL_defstash; |
602 | PL_defstash = 0; | |
a0d0e21e | 603 | SvREFCNT_dec(hv); |
5c831c24 GS |
604 | SvREFCNT_dec(PL_curstname); |
605 | PL_curstname = Nullsv; | |
a0d0e21e | 606 | |
5a844595 GS |
607 | /* clear queued errors */ |
608 | SvREFCNT_dec(PL_errors); | |
609 | PL_errors = Nullsv; | |
610 | ||
a0d0e21e | 611 | FREETMPS; |
0453d815 | 612 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 613 | if (PL_scopestack_ix != 0) |
0453d815 PM |
614 | Perl_warner(aTHX_ WARN_INTERNAL, |
615 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
3280af22 NIS |
616 | (long)PL_scopestack_ix); |
617 | if (PL_savestack_ix != 0) | |
0453d815 PM |
618 | Perl_warner(aTHX_ WARN_INTERNAL, |
619 | "Unbalanced saves: %ld more saves than restores\n", | |
3280af22 NIS |
620 | (long)PL_savestack_ix); |
621 | if (PL_tmps_floor != -1) | |
0453d815 | 622 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 623 | (long)PL_tmps_floor + 1); |
a0d0e21e | 624 | if (cxstack_ix != -1) |
0453d815 | 625 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 626 | (long)cxstack_ix + 1); |
a0d0e21e | 627 | } |
8990e307 LW |
628 | |
629 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 630 | last_sv_count = 0; |
d33b2eba | 631 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 NIS |
632 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
633 | while (PL_sv_count != 0 && PL_sv_count != last_sv_count) { | |
634 | last_sv_count = PL_sv_count; | |
8990e307 LW |
635 | sv_clean_all(); |
636 | } | |
d33b2eba GS |
637 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
638 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
639 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
640 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 641 | |
d4777f27 GS |
642 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
643 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
644 | PL_fdpid = Nullav; |
645 | ||
6e72f9df | 646 | /* Destruct the global string table. */ |
647 | { | |
648 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
649 | * so that sv_free() won't fail on them. | |
650 | */ | |
651 | I32 riter; | |
652 | I32 max; | |
653 | HE *hent; | |
654 | HE **array; | |
655 | ||
656 | riter = 0; | |
3280af22 NIS |
657 | max = HvMAX(PL_strtab); |
658 | array = HvARRAY(PL_strtab); | |
6e72f9df | 659 | hent = array[0]; |
660 | for (;;) { | |
0453d815 PM |
661 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
662 | Perl_warner(aTHX_ WARN_INTERNAL, | |
663 | "Unbalanced string table refcount: (%d) for \"%s\"", | |
6e72f9df | 664 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
665 | HeVAL(hent) = Nullsv; | |
666 | hent = HeNEXT(hent); | |
667 | } | |
668 | if (!hent) { | |
669 | if (++riter > max) | |
670 | break; | |
671 | hent = array[riter]; | |
672 | } | |
673 | } | |
674 | } | |
3280af22 | 675 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 676 | |
d33b2eba GS |
677 | /* free special SVs */ |
678 | ||
679 | SvREFCNT(&PL_sv_yes) = 0; | |
680 | sv_clear(&PL_sv_yes); | |
681 | SvANY(&PL_sv_yes) = NULL; | |
01724ea0 | 682 | SvREADONLY_off(&PL_sv_yes); |
d33b2eba GS |
683 | |
684 | SvREFCNT(&PL_sv_no) = 0; | |
685 | sv_clear(&PL_sv_no); | |
686 | SvANY(&PL_sv_no) = NULL; | |
01724ea0 GS |
687 | SvREADONLY_off(&PL_sv_no); |
688 | ||
689 | SvREFCNT(&PL_sv_undef) = 0; | |
690 | SvREADONLY_off(&PL_sv_undef); | |
d33b2eba | 691 | |
0453d815 PM |
692 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
693 | Perl_warner(aTHX_ WARN_INTERNAL,"Scalars leaked: %ld\n", (long)PL_sv_count); | |
6e72f9df | 694 | |
4633a7c4 | 695 | sv_free_arenas(); |
44a8e56a | 696 | |
697 | /* No SVs have survived, need to clean out */ | |
3280af22 | 698 | Safefree(PL_origfilename); |
3280af22 | 699 | Safefree(PL_reg_start_tmp); |
5c5e4c24 IZ |
700 | if (PL_reg_curpm) |
701 | Safefree(PL_reg_curpm); | |
82ba1be6 | 702 | Safefree(PL_reg_poscache); |
3280af22 NIS |
703 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); |
704 | Safefree(PL_op_mask); | |
6e72f9df | 705 | nuke_stacks(); |
3280af22 | 706 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
707 | |
708 | DEBUG_P(debprofdump()); | |
11343788 | 709 | #ifdef USE_THREADS |
5f08fbcd | 710 | MUTEX_DESTROY(&PL_strtab_mutex); |
533c011a NIS |
711 | MUTEX_DESTROY(&PL_sv_mutex); |
712 | MUTEX_DESTROY(&PL_eval_mutex); | |
5ff3f7a4 | 713 | MUTEX_DESTROY(&PL_cred_mutex); |
533c011a | 714 | COND_DESTROY(&PL_eval_cond); |
11d617a5 GS |
715 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
716 | MUTEX_DESTROY(&PL_svref_mutex); | |
717 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
fc36a67e | 718 | |
8023c3ce | 719 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
533c011a NIS |
720 | Safefree(SvPVX(PL_thrsv)); |
721 | Safefree(SvANY(PL_thrsv)); | |
722 | Safefree(PL_thrsv); | |
723 | PL_thrsv = Nullsv; | |
8023c3ce | 724 | #endif /* USE_THREADS */ |
d33b2eba | 725 | |
fc36a67e | 726 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
727 | ||
3280af22 | 728 | if (PL_mess_sv) { |
9c63abab GS |
729 | /* it could have accumulated taint magic */ |
730 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
731 | MAGIC* mg; | |
732 | MAGIC* moremagic; | |
733 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
734 | moremagic = mg->mg_moremagic; | |
735 | if (mg->mg_ptr && mg->mg_type != 'g' && mg->mg_len >= 0) | |
736 | Safefree(mg->mg_ptr); | |
737 | Safefree(mg); | |
738 | } | |
739 | } | |
fc36a67e | 740 | /* we know that type >= SVt_PV */ |
155aba94 | 741 | (void)SvOOK_off(PL_mess_sv); |
3280af22 NIS |
742 | Safefree(SvPVX(PL_mess_sv)); |
743 | Safefree(SvANY(PL_mess_sv)); | |
744 | Safefree(PL_mess_sv); | |
745 | PL_mess_sv = Nullsv; | |
fc36a67e | 746 | } |
79072805 LW |
747 | } |
748 | ||
954c1994 GS |
749 | /* |
750 | =for apidoc perl_free | |
751 | ||
752 | Releases a Perl interpreter. See L<perlembed>. | |
753 | ||
754 | =cut | |
755 | */ | |
756 | ||
79072805 | 757 | void |
0cb96387 | 758 | perl_free(pTHXx) |
79072805 | 759 | { |
c5be433b | 760 | #if defined(PERL_OBJECT) |
7f0d82f7 | 761 | PerlMem_free(this); |
76e3520e | 762 | #else |
7f0d82f7 | 763 | PerlMem_free(aTHXx); |
76e3520e | 764 | #endif |
79072805 LW |
765 | } |
766 | ||
4b556e6c | 767 | void |
864dbfa3 | 768 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 769 | { |
3280af22 NIS |
770 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
771 | PL_exitlist[PL_exitlistlen].fn = fn; | |
772 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
773 | ++PL_exitlistlen; | |
4b556e6c JD |
774 | } |
775 | ||
954c1994 GS |
776 | /* |
777 | =for apidoc perl_parse | |
778 | ||
779 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
780 | ||
781 | =cut | |
782 | */ | |
783 | ||
79072805 | 784 | int |
0cb96387 | 785 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 786 | { |
11343788 | 787 | dTHR; |
6224f72b | 788 | I32 oldscope; |
6224f72b | 789 | int ret; |
db36c5a1 | 790 | dJMPENV; |
cea2e8a9 GS |
791 | #ifdef USE_THREADS |
792 | dTHX; | |
793 | #endif | |
8d063cd8 | 794 | |
a687059c LW |
795 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
796 | #ifdef IAMSUID | |
797 | #undef IAMSUID | |
cea2e8a9 | 798 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
799 | setuid perl scripts securely.\n"); |
800 | #endif | |
801 | #endif | |
802 | ||
8f1f23e8 | 803 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
6e72f9df | 804 | _dyld_lookup_and_bind |
805 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
806 | #endif /* environ */ | |
807 | ||
3280af22 NIS |
808 | PL_origargv = argv; |
809 | PL_origargc = argc; | |
a0d0e21e | 810 | #ifndef VMS /* VMS doesn't have environ array */ |
3280af22 | 811 | PL_origenviron = environ; |
a0d0e21e LW |
812 | #endif |
813 | ||
3280af22 | 814 | if (PL_do_undump) { |
a0d0e21e LW |
815 | |
816 | /* Come here if running an undumped a.out. */ | |
817 | ||
3280af22 NIS |
818 | PL_origfilename = savepv(argv[0]); |
819 | PL_do_undump = FALSE; | |
a0d0e21e | 820 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 821 | init_ids(); |
a0d0e21e LW |
822 | init_postdump_symbols(argc,argv,env); |
823 | return 0; | |
824 | } | |
825 | ||
3280af22 NIS |
826 | if (PL_main_root) { |
827 | PL_curpad = AvARRAY(PL_comppad); | |
828 | op_free(PL_main_root); | |
829 | PL_main_root = Nullop; | |
ff0cee69 | 830 | } |
3280af22 NIS |
831 | PL_main_start = Nullop; |
832 | SvREFCNT_dec(PL_main_cv); | |
833 | PL_main_cv = Nullcv; | |
79072805 | 834 | |
3280af22 NIS |
835 | time(&PL_basetime); |
836 | oldscope = PL_scopestack_ix; | |
599cee73 | 837 | PL_dowarn = G_WARN_OFF; |
f86702cc | 838 | |
14dd3ad8 GS |
839 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
840 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
841 | #else | |
842 | JMPENV_PUSH(ret); | |
843 | #endif | |
6224f72b | 844 | switch (ret) { |
312caa8e | 845 | case 0: |
14dd3ad8 GS |
846 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
847 | parse_body(env,xsinit); | |
848 | #endif | |
7d30b5c4 GS |
849 | if (PL_checkav) |
850 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
851 | ret = 0; |
852 | break; | |
6224f72b GS |
853 | case 1: |
854 | STATUS_ALL_FAILURE; | |
855 | /* FALL THROUGH */ | |
856 | case 2: | |
857 | /* my_exit() was called */ | |
3280af22 | 858 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
859 | LEAVE; |
860 | FREETMPS; | |
3280af22 | 861 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
862 | if (PL_checkav) |
863 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
864 | ret = STATUS_NATIVE_EXPORT; |
865 | break; | |
6224f72b | 866 | case 3: |
bf49b057 | 867 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
868 | ret = 1; |
869 | break; | |
6224f72b | 870 | } |
14dd3ad8 GS |
871 | JMPENV_POP; |
872 | return ret; | |
873 | } | |
874 | ||
875 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
876 | STATIC void * | |
877 | S_vparse_body(pTHX_ va_list args) | |
878 | { | |
879 | char **env = va_arg(args, char**); | |
880 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
881 | ||
882 | return parse_body(env, xsinit); | |
312caa8e | 883 | } |
14dd3ad8 | 884 | #endif |
312caa8e CS |
885 | |
886 | STATIC void * | |
14dd3ad8 | 887 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e CS |
888 | { |
889 | dTHR; | |
890 | int argc = PL_origargc; | |
891 | char **argv = PL_origargv; | |
312caa8e CS |
892 | char *scriptname = NULL; |
893 | int fdscript = -1; | |
894 | VOL bool dosearch = FALSE; | |
895 | char *validarg = ""; | |
896 | AV* comppadlist; | |
897 | register SV *sv; | |
898 | register char *s; | |
f4c556ac | 899 | char *cddir = Nullch; |
312caa8e | 900 | |
3280af22 | 901 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 902 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
903 | SAVEFREESV(sv); |
904 | init_main_stash(); | |
54310121 | 905 | |
6224f72b GS |
906 | for (argc--,argv++; argc > 0; argc--,argv++) { |
907 | if (argv[0][0] != '-' || !argv[0][1]) | |
908 | break; | |
909 | #ifdef DOSUID | |
910 | if (*validarg) | |
911 | validarg = " PHOOEY "; | |
912 | else | |
913 | validarg = argv[0]; | |
13281fa4 | 914 | #endif |
6224f72b GS |
915 | s = argv[0]+1; |
916 | reswitch: | |
917 | switch (*s) { | |
729a02f2 GS |
918 | case 'C': |
919 | #ifdef WIN32 | |
c0932edc | 920 | win32_argv2utf8(argc-1, argv+1); |
729a02f2 GS |
921 | /* FALL THROUGH */ |
922 | #endif | |
1d5472a9 GS |
923 | #ifndef PERL_STRICT_CR |
924 | case '\r': | |
925 | #endif | |
6224f72b GS |
926 | case ' ': |
927 | case '0': | |
928 | case 'F': | |
929 | case 'a': | |
930 | case 'c': | |
931 | case 'd': | |
932 | case 'D': | |
933 | case 'h': | |
934 | case 'i': | |
935 | case 'l': | |
936 | case 'M': | |
937 | case 'm': | |
938 | case 'n': | |
939 | case 'p': | |
940 | case 's': | |
941 | case 'u': | |
942 | case 'U': | |
943 | case 'v': | |
599cee73 PM |
944 | case 'W': |
945 | case 'X': | |
6224f72b | 946 | case 'w': |
155aba94 | 947 | if ((s = moreswitches(s))) |
6224f72b GS |
948 | goto reswitch; |
949 | break; | |
33b78306 | 950 | |
6224f72b | 951 | case 'T': |
3280af22 | 952 | PL_tainting = TRUE; |
6224f72b GS |
953 | s++; |
954 | goto reswitch; | |
f86702cc | 955 | |
6224f72b | 956 | case 'e': |
3280af22 | 957 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 958 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 959 | if (!PL_e_script) { |
79cb57f6 | 960 | PL_e_script = newSVpvn("",0); |
0cb96387 | 961 | filter_add(read_e_script, NULL); |
6224f72b GS |
962 | } |
963 | if (*++s) | |
3280af22 | 964 | sv_catpv(PL_e_script, s); |
6224f72b | 965 | else if (argv[1]) { |
3280af22 | 966 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
967 | argc--,argv++; |
968 | } | |
969 | else | |
cea2e8a9 | 970 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 971 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 972 | break; |
afe37c7d | 973 | |
6224f72b GS |
974 | case 'I': /* -I handled both here and in moreswitches() */ |
975 | forbid_setid("-I"); | |
976 | if (!*++s && (s=argv[1]) != Nullch) { | |
977 | argc--,argv++; | |
978 | } | |
6224f72b | 979 | if (s && *s) { |
0df16ed7 GS |
980 | char *p; |
981 | STRLEN len = strlen(s); | |
982 | p = savepvn(s, len); | |
9c8a64f0 | 983 | incpush(p, TRUE, TRUE); |
0df16ed7 GS |
984 | sv_catpvn(sv, "-I", 2); |
985 | sv_catpvn(sv, p, len); | |
986 | sv_catpvn(sv, " ", 1); | |
6224f72b | 987 | Safefree(p); |
0df16ed7 GS |
988 | } |
989 | else | |
a67e862a | 990 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
991 | break; |
992 | case 'P': | |
993 | forbid_setid("-P"); | |
3280af22 | 994 | PL_preprocess = TRUE; |
6224f72b GS |
995 | s++; |
996 | goto reswitch; | |
997 | case 'S': | |
998 | forbid_setid("-S"); | |
999 | dosearch = TRUE; | |
1000 | s++; | |
1001 | goto reswitch; | |
1002 | case 'V': | |
3280af22 NIS |
1003 | if (!PL_preambleav) |
1004 | PL_preambleav = newAV(); | |
1005 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1006 | if (*++s != ':') { |
3280af22 | 1007 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1008 | #ifdef VMS |
6b88bc9c | 1009 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1010 | #else |
3280af22 | 1011 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1012 | #endif |
3280af22 | 1013 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1014 | # ifdef DEBUGGING |
3280af22 | 1015 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1016 | # endif |
6224f72b | 1017 | # ifdef MULTIPLICITY |
8f872242 | 1018 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1019 | # endif |
b363f7ed GS |
1020 | # ifdef USE_THREADS |
1021 | sv_catpv(PL_Sv," USE_THREADS"); | |
1022 | # endif | |
ac5e8965 JH |
1023 | # ifdef USE_ITHREADS |
1024 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1025 | # endif | |
10cc9d2a JH |
1026 | # ifdef USE_64_BIT_INT |
1027 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1028 | # endif | |
1029 | # ifdef USE_64_BIT_ALL | |
1030 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1031 | # endif |
1032 | # ifdef USE_LONG_DOUBLE | |
1033 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1034 | # endif | |
53430762 JH |
1035 | # ifdef USE_LARGE_FILES |
1036 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1037 | # endif | |
ac5e8965 JH |
1038 | # ifdef USE_SOCKS |
1039 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1040 | # endif | |
b363f7ed GS |
1041 | # ifdef PERL_OBJECT |
1042 | sv_catpv(PL_Sv," PERL_OBJECT"); | |
1043 | # endif | |
1044 | # ifdef PERL_IMPLICIT_CONTEXT | |
1045 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1046 | # endif | |
1047 | # ifdef PERL_IMPLICIT_SYS | |
1048 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1049 | # endif | |
3280af22 | 1050 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1051 | |
6224f72b GS |
1052 | #if defined(LOCAL_PATCH_COUNT) |
1053 | if (LOCAL_PATCH_COUNT > 0) { | |
1054 | int i; | |
3280af22 | 1055 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1056 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1057 | if (PL_localpatches[i]) |
cea2e8a9 | 1058 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1059 | } |
1060 | } | |
1061 | #endif | |
cea2e8a9 | 1062 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1063 | #ifdef __DATE__ |
1064 | # ifdef __TIME__ | |
cea2e8a9 | 1065 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1066 | # else |
cea2e8a9 | 1067 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1068 | # endif |
1069 | #endif | |
3280af22 | 1070 | sv_catpv(PL_Sv, "; \ |
6224f72b GS |
1071 | $\"=\"\\n \"; \ |
1072 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
1073 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
1074 | print \" \\@INC:\\n @INC\\n\";"); | |
1075 | } | |
1076 | else { | |
3280af22 NIS |
1077 | PL_Sv = newSVpv("config_vars(qw(",0); |
1078 | sv_catpv(PL_Sv, ++s); | |
1079 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1080 | s += strlen(s); |
1081 | } | |
3280af22 | 1082 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1083 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1084 | goto reswitch; | |
1085 | case 'x': | |
3280af22 | 1086 | PL_doextract = TRUE; |
6224f72b GS |
1087 | s++; |
1088 | if (*s) | |
f4c556ac | 1089 | cddir = s; |
6224f72b GS |
1090 | break; |
1091 | case 0: | |
1092 | break; | |
1093 | case '-': | |
1094 | if (!*++s || isSPACE(*s)) { | |
1095 | argc--,argv++; | |
1096 | goto switch_end; | |
1097 | } | |
1098 | /* catch use of gnu style long options */ | |
1099 | if (strEQ(s, "version")) { | |
1100 | s = "v"; | |
1101 | goto reswitch; | |
1102 | } | |
1103 | if (strEQ(s, "help")) { | |
1104 | s = "h"; | |
1105 | goto reswitch; | |
1106 | } | |
1107 | s--; | |
1108 | /* FALL THROUGH */ | |
1109 | default: | |
cea2e8a9 | 1110 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1111 | } |
1112 | } | |
6224f72b | 1113 | switch_end: |
54310121 | 1114 | |
f675dbe5 CB |
1115 | if ( |
1116 | #ifndef SECURE_INTERNAL_GETENV | |
1117 | !PL_tainting && | |
1118 | #endif | |
0df16ed7 GS |
1119 | (s = PerlEnv_getenv("PERL5OPT"))) |
1120 | { | |
74288ac8 GS |
1121 | while (isSPACE(*s)) |
1122 | s++; | |
1123 | if (*s == '-' && *(s+1) == 'T') | |
1124 | PL_tainting = TRUE; | |
1125 | else { | |
1126 | while (s && *s) { | |
1127 | while (isSPACE(*s)) | |
1128 | s++; | |
1129 | if (*s == '-') { | |
1130 | s++; | |
1131 | if (isSPACE(*s)) | |
1132 | continue; | |
1133 | } | |
1134 | if (!*s) | |
1135 | break; | |
1136 | if (!strchr("DIMUdmw", *s)) | |
cea2e8a9 | 1137 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
74288ac8 | 1138 | s = moreswitches(s); |
6224f72b | 1139 | } |
6224f72b GS |
1140 | } |
1141 | } | |
a0d0e21e | 1142 | |
6224f72b GS |
1143 | if (!scriptname) |
1144 | scriptname = argv[0]; | |
3280af22 | 1145 | if (PL_e_script) { |
6224f72b GS |
1146 | argc++,argv--; |
1147 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1148 | } | |
1149 | else if (scriptname == Nullch) { | |
1150 | #ifdef MSDOS | |
1151 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1152 | moreswitches("h"); | |
1153 | #endif | |
1154 | scriptname = "-"; | |
1155 | } | |
1156 | ||
1157 | init_perllib(); | |
1158 | ||
1159 | open_script(scriptname,dosearch,sv,&fdscript); | |
1160 | ||
1161 | validate_suid(validarg, scriptname,fdscript); | |
1162 | ||
0b5b802d GS |
1163 | #if defined(SIGCHLD) || defined(SIGCLD) |
1164 | { | |
1165 | #ifndef SIGCHLD | |
1166 | # define SIGCHLD SIGCLD | |
1167 | #endif | |
1168 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1169 | if (sigstate == SIG_IGN) { | |
1170 | if (ckWARN(WARN_SIGNAL)) | |
1171 | Perl_warner(aTHX_ WARN_SIGNAL, | |
1172 | "Can't ignore signal CHLD, forcing to default"); | |
1173 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1174 | } | |
1175 | } | |
1176 | #endif | |
1177 | ||
f4c556ac | 1178 | if (PL_doextract) { |
6224f72b | 1179 | find_beginning(); |
f4c556ac GS |
1180 | if (cddir && PerlDir_chdir(cddir) < 0) |
1181 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1182 | ||
1183 | } | |
6224f72b | 1184 | |
3280af22 NIS |
1185 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1186 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1187 | CvUNIQUE_on(PL_compcv); | |
1188 | ||
1189 | PL_comppad = newAV(); | |
1190 | av_push(PL_comppad, Nullsv); | |
1191 | PL_curpad = AvARRAY(PL_comppad); | |
1192 | PL_comppad_name = newAV(); | |
1193 | PL_comppad_name_fill = 0; | |
1194 | PL_min_intro_pending = 0; | |
1195 | PL_padix = 0; | |
6224f72b | 1196 | #ifdef USE_THREADS |
79cb57f6 | 1197 | av_store(PL_comppad_name, 0, newSVpvn("@_", 2)); |
533c011a NIS |
1198 | PL_curpad[0] = (SV*)newAV(); |
1199 | SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ | |
1200 | CvOWNER(PL_compcv) = 0; | |
1201 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1202 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
6224f72b GS |
1203 | #endif /* USE_THREADS */ |
1204 | ||
1205 | comppadlist = newAV(); | |
1206 | AvREAL_off(comppadlist); | |
3280af22 NIS |
1207 | av_store(comppadlist, 0, (SV*)PL_comppad_name); |
1208 | av_store(comppadlist, 1, (SV*)PL_comppad); | |
1209 | CvPADLIST(PL_compcv) = comppadlist; | |
6224f72b GS |
1210 | |
1211 | boot_core_UNIVERSAL(); | |
9a34ef1d | 1212 | #ifndef PERL_MICRO |
09bef843 | 1213 | boot_core_xsutils(); |
9a34ef1d | 1214 | #endif |
6224f72b GS |
1215 | |
1216 | if (xsinit) | |
0cb96387 | 1217 | (*xsinit)(aTHXo); /* in case linked C routines want magical variables */ |
5db16f6a | 1218 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) |
c5be433b | 1219 | init_os_extras(); |
6224f72b GS |
1220 | #endif |
1221 | ||
29209bc5 JH |
1222 | #ifdef USE_SOCKS |
1223 | SOCKSinit(argv[0]); | |
1224 | #endif | |
1225 | ||
6224f72b GS |
1226 | init_predump_symbols(); |
1227 | /* init_postdump_symbols not currently designed to be called */ | |
1228 | /* more than once (ENV isn't cleared first, for example) */ | |
1229 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1230 | if (!PL_do_undump) |
6224f72b GS |
1231 | init_postdump_symbols(argc,argv,env); |
1232 | ||
1233 | init_lexer(); | |
1234 | ||
1235 | /* now parse the script */ | |
1236 | ||
1237 | SETERRNO(0,SS$_NORMAL); | |
3280af22 NIS |
1238 | PL_error_count = 0; |
1239 | if (yyparse() || PL_error_count) { | |
1240 | if (PL_minus_c) | |
cea2e8a9 | 1241 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1242 | else { |
cea2e8a9 | 1243 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1244 | PL_origfilename); |
6224f72b GS |
1245 | } |
1246 | } | |
57843af0 | 1247 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1248 | PL_curstash = PL_defstash; |
1249 | PL_preprocess = FALSE; | |
1250 | if (PL_e_script) { | |
1251 | SvREFCNT_dec(PL_e_script); | |
1252 | PL_e_script = Nullsv; | |
6224f72b GS |
1253 | } |
1254 | ||
1255 | /* now that script is parsed, we can modify record separator */ | |
3280af22 NIS |
1256 | SvREFCNT_dec(PL_rs); |
1257 | PL_rs = SvREFCNT_inc(PL_nrs); | |
864dbfa3 | 1258 | sv_setsv(get_sv("/", TRUE), PL_rs); |
3280af22 | 1259 | if (PL_do_undump) |
6224f72b GS |
1260 | my_unexec(); |
1261 | ||
57843af0 GS |
1262 | if (isWARN_ONCE) { |
1263 | SAVECOPFILE(PL_curcop); | |
1264 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1265 | gv_check(PL_defstash); |
57843af0 | 1266 | } |
6224f72b GS |
1267 | |
1268 | LEAVE; | |
1269 | FREETMPS; | |
1270 | ||
1271 | #ifdef MYMALLOC | |
1272 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1273 | dump_mstats("after compilation:"); | |
1274 | #endif | |
1275 | ||
1276 | ENTER; | |
3280af22 | 1277 | PL_restartop = 0; |
312caa8e | 1278 | return NULL; |
6224f72b GS |
1279 | } |
1280 | ||
954c1994 GS |
1281 | /* |
1282 | =for apidoc perl_run | |
1283 | ||
1284 | Tells a Perl interpreter to run. See L<perlembed>. | |
1285 | ||
1286 | =cut | |
1287 | */ | |
1288 | ||
6224f72b | 1289 | int |
0cb96387 | 1290 | perl_run(pTHXx) |
6224f72b | 1291 | { |
de616352 | 1292 | dTHR; |
6224f72b | 1293 | I32 oldscope; |
14dd3ad8 | 1294 | int ret = 0; |
db36c5a1 | 1295 | dJMPENV; |
cea2e8a9 GS |
1296 | #ifdef USE_THREADS |
1297 | dTHX; | |
1298 | #endif | |
6224f72b | 1299 | |
3280af22 | 1300 | oldscope = PL_scopestack_ix; |
6224f72b | 1301 | |
14dd3ad8 | 1302 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1303 | redo_body: |
14dd3ad8 GS |
1304 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1305 | #else | |
1306 | JMPENV_PUSH(ret); | |
1307 | #endif | |
6224f72b GS |
1308 | switch (ret) { |
1309 | case 1: | |
1310 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1311 | goto redo_body; |
14dd3ad8 GS |
1312 | case 0: /* normal completion */ |
1313 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1314 | redo_body: | |
1315 | run_body(oldscope); | |
1316 | #endif | |
1317 | /* FALL THROUGH */ | |
1318 | case 2: /* my_exit() */ | |
3280af22 | 1319 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1320 | LEAVE; |
1321 | FREETMPS; | |
3280af22 | 1322 | PL_curstash = PL_defstash; |
865be832 | 1323 | if (PL_endav && !PL_minus_c) |
3280af22 | 1324 | call_list(oldscope, PL_endav); |
6224f72b GS |
1325 | #ifdef MYMALLOC |
1326 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1327 | dump_mstats("after execution: "); | |
1328 | #endif | |
14dd3ad8 GS |
1329 | ret = STATUS_NATIVE_EXPORT; |
1330 | break; | |
6224f72b | 1331 | case 3: |
312caa8e CS |
1332 | if (PL_restartop) { |
1333 | POPSTACK_TO(PL_mainstack); | |
1334 | goto redo_body; | |
6224f72b | 1335 | } |
bf49b057 | 1336 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1337 | FREETMPS; |
14dd3ad8 GS |
1338 | ret = 1; |
1339 | break; | |
6224f72b GS |
1340 | } |
1341 | ||
14dd3ad8 GS |
1342 | JMPENV_POP; |
1343 | return ret; | |
312caa8e CS |
1344 | } |
1345 | ||
14dd3ad8 | 1346 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1347 | STATIC void * |
14dd3ad8 | 1348 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1349 | { |
312caa8e CS |
1350 | I32 oldscope = va_arg(args, I32); |
1351 | ||
14dd3ad8 GS |
1352 | return run_body(oldscope); |
1353 | } | |
1354 | #endif | |
1355 | ||
1356 | ||
1357 | STATIC void * | |
1358 | S_run_body(pTHX_ I32 oldscope) | |
1359 | { | |
1360 | dTHR; | |
1361 | ||
6224f72b | 1362 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1363 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1364 | |
3280af22 | 1365 | if (!PL_restartop) { |
6224f72b GS |
1366 | DEBUG_x(dump_all()); |
1367 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1368 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1369 | PTR2UV(thr))); | |
6224f72b | 1370 | |
3280af22 | 1371 | if (PL_minus_c) { |
bf49b057 | 1372 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
1373 | my_exit(0); |
1374 | } | |
3280af22 | 1375 | if (PERLDB_SINGLE && PL_DBsingle) |
312caa8e | 1376 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1377 | if (PL_initav) |
1378 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1379 | } |
1380 | ||
1381 | /* do it */ | |
1382 | ||
3280af22 | 1383 | if (PL_restartop) { |
533c011a | 1384 | PL_op = PL_restartop; |
3280af22 | 1385 | PL_restartop = 0; |
cea2e8a9 | 1386 | CALLRUNOPS(aTHX); |
6224f72b | 1387 | } |
3280af22 NIS |
1388 | else if (PL_main_start) { |
1389 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1390 | PL_op = PL_main_start; |
cea2e8a9 | 1391 | CALLRUNOPS(aTHX); |
6224f72b GS |
1392 | } |
1393 | ||
f6b3007c JH |
1394 | my_exit(0); |
1395 | /* NOTREACHED */ | |
312caa8e | 1396 | return NULL; |
6224f72b GS |
1397 | } |
1398 | ||
954c1994 GS |
1399 | /* |
1400 | =for apidoc p||get_sv | |
1401 | ||
1402 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1403 | Perl variable does not exist then it will be created. If C<create> is not | |
1404 | set and the variable does not exist then NULL is returned. | |
1405 | ||
1406 | =cut | |
1407 | */ | |
1408 | ||
6224f72b | 1409 | SV* |
864dbfa3 | 1410 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1411 | { |
1412 | GV *gv; | |
1413 | #ifdef USE_THREADS | |
1414 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
1415 | PADOFFSET tmp = find_threadsv(name); | |
1416 | if (tmp != NOT_IN_PAD) { | |
1417 | dTHR; | |
1418 | return THREADSV(tmp); | |
1419 | } | |
1420 | } | |
1421 | #endif /* USE_THREADS */ | |
1422 | gv = gv_fetchpv(name, create, SVt_PV); | |
1423 | if (gv) | |
1424 | return GvSV(gv); | |
1425 | return Nullsv; | |
1426 | } | |
1427 | ||
954c1994 GS |
1428 | /* |
1429 | =for apidoc p||get_av | |
1430 | ||
1431 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1432 | Perl variable does not exist then it will be created. If C<create> is not | |
1433 | set and the variable does not exist then NULL is returned. | |
1434 | ||
1435 | =cut | |
1436 | */ | |
1437 | ||
6224f72b | 1438 | AV* |
864dbfa3 | 1439 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1440 | { |
1441 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1442 | if (create) | |
1443 | return GvAVn(gv); | |
1444 | if (gv) | |
1445 | return GvAV(gv); | |
1446 | return Nullav; | |
1447 | } | |
1448 | ||
954c1994 GS |
1449 | /* |
1450 | =for apidoc p||get_hv | |
1451 | ||
1452 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1453 | Perl variable does not exist then it will be created. If C<create> is not | |
1454 | set and the variable does not exist then NULL is returned. | |
1455 | ||
1456 | =cut | |
1457 | */ | |
1458 | ||
6224f72b | 1459 | HV* |
864dbfa3 | 1460 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1461 | { |
a0d0e21e LW |
1462 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1463 | if (create) | |
1464 | return GvHVn(gv); | |
1465 | if (gv) | |
1466 | return GvHV(gv); | |
1467 | return Nullhv; | |
1468 | } | |
1469 | ||
954c1994 GS |
1470 | /* |
1471 | =for apidoc p||get_cv | |
1472 | ||
1473 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1474 | the Perl subroutine does not exist then it will be declared (which has the | |
1475 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1476 | subroutine does not exist then NULL is returned. | |
1477 | ||
1478 | =cut | |
1479 | */ | |
1480 | ||
a0d0e21e | 1481 | CV* |
864dbfa3 | 1482 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1483 | { |
1484 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1485 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1486 | /* XXX this is probably not what they think they're getting. |
1487 | * It has the same effect as "sub name;", i.e. just a forward | |
1488 | * declaration! */ | |
8ebc5c01 | 1489 | if (create && !GvCVu(gv)) |
774d564b | 1490 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1491 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1492 | Nullop, |
a0d0e21e LW |
1493 | Nullop); |
1494 | if (gv) | |
8ebc5c01 | 1495 | return GvCVu(gv); |
a0d0e21e LW |
1496 | return Nullcv; |
1497 | } | |
1498 | ||
79072805 LW |
1499 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1500 | ||
954c1994 GS |
1501 | /* |
1502 | =for apidoc p||call_argv | |
1503 | ||
1504 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1505 | ||
1506 | =cut | |
1507 | */ | |
1508 | ||
a0d0e21e | 1509 | I32 |
864dbfa3 | 1510 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1511 | |
1512 | /* See G_* flags in cop.h */ | |
1513 | /* null terminated arg list */ | |
8990e307 | 1514 | { |
a0d0e21e | 1515 | dSP; |
8990e307 | 1516 | |
924508f0 | 1517 | PUSHMARK(SP); |
a0d0e21e | 1518 | if (argv) { |
8990e307 | 1519 | while (*argv) { |
a0d0e21e | 1520 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1521 | argv++; |
1522 | } | |
a0d0e21e | 1523 | PUTBACK; |
8990e307 | 1524 | } |
864dbfa3 | 1525 | return call_pv(sub_name, flags); |
8990e307 LW |
1526 | } |
1527 | ||
954c1994 GS |
1528 | /* |
1529 | =for apidoc p||call_pv | |
1530 | ||
1531 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1532 | ||
1533 | =cut | |
1534 | */ | |
1535 | ||
a0d0e21e | 1536 | I32 |
864dbfa3 | 1537 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1538 | /* name of the subroutine */ |
1539 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1540 | { |
864dbfa3 | 1541 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1542 | } |
1543 | ||
954c1994 GS |
1544 | /* |
1545 | =for apidoc p||call_method | |
1546 | ||
1547 | Performs a callback to the specified Perl method. The blessed object must | |
1548 | be on the stack. See L<perlcall>. | |
1549 | ||
1550 | =cut | |
1551 | */ | |
1552 | ||
a0d0e21e | 1553 | I32 |
864dbfa3 | 1554 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1555 | /* name of the subroutine */ |
1556 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1557 | { |
1558 | dSP; | |
1559 | OP myop; | |
0f79a09d | 1560 | if (!PL_op) { |
9b94d1dd | 1561 | Zero(&myop, 1, OP); |
533c011a | 1562 | PL_op = &myop; |
0f79a09d | 1563 | } |
a0d0e21e LW |
1564 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1565 | PUTBACK; | |
cea2e8a9 | 1566 | pp_method(); |
d33b2eba GS |
1567 | if (PL_op == &myop) |
1568 | PL_op = Nullop; | |
864dbfa3 | 1569 | return call_sv(*PL_stack_sp--, flags); |
a0d0e21e LW |
1570 | } |
1571 | ||
1572 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1573 | /* |
1574 | =for apidoc p||call_sv | |
1575 | ||
1576 | Performs a callback to the Perl sub whose name is in the SV. See | |
1577 | L<perlcall>. | |
1578 | ||
1579 | =cut | |
1580 | */ | |
1581 | ||
a0d0e21e | 1582 | I32 |
864dbfa3 | 1583 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1584 | |
1585 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1586 | { |
924508f0 | 1587 | dSP; |
a0d0e21e | 1588 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1589 | I32 oldmark; |
a0d0e21e | 1590 | I32 retval; |
a0d0e21e | 1591 | I32 oldscope; |
54310121 | 1592 | bool oldcatch = CATCH_GET; |
6224f72b | 1593 | int ret; |
533c011a | 1594 | OP* oldop = PL_op; |
db36c5a1 | 1595 | dJMPENV; |
1e422769 | 1596 | |
a0d0e21e LW |
1597 | if (flags & G_DISCARD) { |
1598 | ENTER; | |
1599 | SAVETMPS; | |
1600 | } | |
1601 | ||
aa689395 | 1602 | Zero(&myop, 1, LOGOP); |
54310121 | 1603 | myop.op_next = Nullop; |
f51d4af5 | 1604 | if (!(flags & G_NOARGS)) |
aa689395 | 1605 | myop.op_flags |= OPf_STACKED; |
54310121 | 1606 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1607 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1608 | OPf_WANT_SCALAR); | |
462e5cf6 | 1609 | SAVEOP(); |
533c011a | 1610 | PL_op = (OP*)&myop; |
aa689395 | 1611 | |
3280af22 NIS |
1612 | EXTEND(PL_stack_sp, 1); |
1613 | *++PL_stack_sp = sv; | |
aa689395 | 1614 | oldmark = TOPMARK; |
3280af22 | 1615 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1616 | |
3280af22 | 1617 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1618 | /* Handle first BEGIN of -d. */ |
3280af22 | 1619 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1620 | /* Try harder, since this may have been a sighandler, thus |
1621 | * curstash may be meaningless. */ | |
3280af22 | 1622 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1623 | && !(flags & G_NODEBUG)) |
533c011a | 1624 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1625 | |
312caa8e | 1626 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1627 | CATCH_SET(TRUE); |
14dd3ad8 | 1628 | call_body((OP*)&myop, FALSE); |
312caa8e | 1629 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1630 | CATCH_SET(oldcatch); |
312caa8e CS |
1631 | } |
1632 | else { | |
533c011a | 1633 | cLOGOP->op_other = PL_op; |
3280af22 | 1634 | PL_markstack_ptr--; |
4633a7c4 LW |
1635 | /* we're trying to emulate pp_entertry() here */ |
1636 | { | |
c09156bb | 1637 | register PERL_CONTEXT *cx; |
54310121 | 1638 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1639 | |
1640 | ENTER; | |
1641 | SAVETMPS; | |
1642 | ||
533c011a | 1643 | push_return(PL_op->op_next); |
3280af22 | 1644 | PUSHBLOCK(cx, CXt_EVAL, PL_stack_sp); |
4633a7c4 | 1645 | PUSHEVAL(cx, 0, 0); |
533c011a | 1646 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
4633a7c4 | 1647 | |
faef0170 | 1648 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1649 | if (flags & G_KEEPERR) |
faef0170 | 1650 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1651 | else |
38a03e6e | 1652 | sv_setpv(ERRSV,""); |
4633a7c4 | 1653 | } |
3280af22 | 1654 | PL_markstack_ptr++; |
a0d0e21e | 1655 | |
14dd3ad8 GS |
1656 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1657 | redo_body: | |
1658 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 1659 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
1660 | #else |
1661 | JMPENV_PUSH(ret); | |
1662 | #endif | |
6224f72b GS |
1663 | switch (ret) { |
1664 | case 0: | |
14dd3ad8 GS |
1665 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1666 | redo_body: | |
1667 | call_body((OP*)&myop, FALSE); | |
1668 | #endif | |
312caa8e CS |
1669 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1670 | if (!(flags & G_KEEPERR)) | |
1671 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1672 | break; |
6224f72b | 1673 | case 1: |
f86702cc | 1674 | STATUS_ALL_FAILURE; |
a0d0e21e | 1675 | /* FALL THROUGH */ |
6224f72b | 1676 | case 2: |
a0d0e21e | 1677 | /* my_exit() was called */ |
3280af22 | 1678 | PL_curstash = PL_defstash; |
a0d0e21e | 1679 | FREETMPS; |
14dd3ad8 | 1680 | JMPENV_POP; |
cc3604b1 | 1681 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1682 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1683 | my_exit_jump(); |
a0d0e21e | 1684 | /* NOTREACHED */ |
6224f72b | 1685 | case 3: |
3280af22 | 1686 | if (PL_restartop) { |
533c011a | 1687 | PL_op = PL_restartop; |
3280af22 | 1688 | PL_restartop = 0; |
312caa8e | 1689 | goto redo_body; |
a0d0e21e | 1690 | } |
3280af22 | 1691 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1692 | if (flags & G_ARRAY) |
1693 | retval = 0; | |
1694 | else { | |
1695 | retval = 1; | |
3280af22 | 1696 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 1697 | } |
312caa8e | 1698 | break; |
a0d0e21e | 1699 | } |
a0d0e21e | 1700 | |
3280af22 | 1701 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
1702 | SV **newsp; |
1703 | PMOP *newpm; | |
1704 | I32 gimme; | |
c09156bb | 1705 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1706 | I32 optype; |
1707 | ||
1708 | POPBLOCK(cx,newpm); | |
1709 | POPEVAL(cx); | |
1710 | pop_return(); | |
3280af22 | 1711 | PL_curpm = newpm; |
a0a2876f | 1712 | LEAVE; |
a0d0e21e | 1713 | } |
14dd3ad8 | 1714 | JMPENV_POP; |
a0d0e21e | 1715 | } |
1e422769 | 1716 | |
a0d0e21e | 1717 | if (flags & G_DISCARD) { |
3280af22 | 1718 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1719 | retval = 0; |
1720 | FREETMPS; | |
1721 | LEAVE; | |
1722 | } | |
533c011a | 1723 | PL_op = oldop; |
a0d0e21e LW |
1724 | return retval; |
1725 | } | |
1726 | ||
14dd3ad8 | 1727 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1728 | STATIC void * |
14dd3ad8 | 1729 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
1730 | { |
1731 | OP *myop = va_arg(args, OP*); | |
1732 | int is_eval = va_arg(args, int); | |
1733 | ||
14dd3ad8 | 1734 | call_body(myop, is_eval); |
312caa8e CS |
1735 | return NULL; |
1736 | } | |
14dd3ad8 | 1737 | #endif |
312caa8e CS |
1738 | |
1739 | STATIC void | |
14dd3ad8 | 1740 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e CS |
1741 | { |
1742 | dTHR; | |
1743 | ||
1744 | if (PL_op == myop) { | |
1745 | if (is_eval) | |
cea2e8a9 | 1746 | PL_op = Perl_pp_entereval(aTHX); |
312caa8e | 1747 | else |
cea2e8a9 | 1748 | PL_op = Perl_pp_entersub(aTHX); |
312caa8e CS |
1749 | } |
1750 | if (PL_op) | |
cea2e8a9 | 1751 | CALLRUNOPS(aTHX); |
312caa8e CS |
1752 | } |
1753 | ||
6e72f9df | 1754 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1755 | |
954c1994 GS |
1756 | /* |
1757 | =for apidoc p||eval_sv | |
1758 | ||
1759 | Tells Perl to C<eval> the string in the SV. | |
1760 | ||
1761 | =cut | |
1762 | */ | |
1763 | ||
a0d0e21e | 1764 | I32 |
864dbfa3 | 1765 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1766 | |
1767 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1768 | { |
924508f0 | 1769 | dSP; |
a0d0e21e | 1770 | UNOP myop; /* fake syntax tree node */ |
3280af22 | 1771 | I32 oldmark = SP - PL_stack_base; |
4633a7c4 | 1772 | I32 retval; |
4633a7c4 | 1773 | I32 oldscope; |
6224f72b | 1774 | int ret; |
533c011a | 1775 | OP* oldop = PL_op; |
db36c5a1 | 1776 | dJMPENV; |
84902520 | 1777 | |
4633a7c4 LW |
1778 | if (flags & G_DISCARD) { |
1779 | ENTER; | |
1780 | SAVETMPS; | |
1781 | } | |
1782 | ||
462e5cf6 | 1783 | SAVEOP(); |
533c011a NIS |
1784 | PL_op = (OP*)&myop; |
1785 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
1786 | EXTEND(PL_stack_sp, 1); |
1787 | *++PL_stack_sp = sv; | |
1788 | oldscope = PL_scopestack_ix; | |
79072805 | 1789 | |
4633a7c4 LW |
1790 | if (!(flags & G_NOARGS)) |
1791 | myop.op_flags = OPf_STACKED; | |
79072805 | 1792 | myop.op_next = Nullop; |
6e72f9df | 1793 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1794 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1795 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1796 | OPf_WANT_SCALAR); | |
6e72f9df | 1797 | if (flags & G_KEEPERR) |
1798 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1799 | |
14dd3ad8 | 1800 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1801 | redo_body: |
14dd3ad8 | 1802 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 1803 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
1804 | #else |
1805 | JMPENV_PUSH(ret); | |
1806 | #endif | |
6224f72b GS |
1807 | switch (ret) { |
1808 | case 0: | |
14dd3ad8 GS |
1809 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1810 | redo_body: | |
1811 | call_body((OP*)&myop,TRUE); | |
1812 | #endif | |
312caa8e CS |
1813 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1814 | if (!(flags & G_KEEPERR)) | |
1815 | sv_setpv(ERRSV,""); | |
4633a7c4 | 1816 | break; |
6224f72b | 1817 | case 1: |
f86702cc | 1818 | STATUS_ALL_FAILURE; |
4633a7c4 | 1819 | /* FALL THROUGH */ |
6224f72b | 1820 | case 2: |
4633a7c4 | 1821 | /* my_exit() was called */ |
3280af22 | 1822 | PL_curstash = PL_defstash; |
4633a7c4 | 1823 | FREETMPS; |
14dd3ad8 | 1824 | JMPENV_POP; |
cc3604b1 | 1825 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1826 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1827 | my_exit_jump(); |
4633a7c4 | 1828 | /* NOTREACHED */ |
6224f72b | 1829 | case 3: |
3280af22 | 1830 | if (PL_restartop) { |
533c011a | 1831 | PL_op = PL_restartop; |
3280af22 | 1832 | PL_restartop = 0; |
312caa8e | 1833 | goto redo_body; |
4633a7c4 | 1834 | } |
3280af22 | 1835 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1836 | if (flags & G_ARRAY) |
1837 | retval = 0; | |
1838 | else { | |
1839 | retval = 1; | |
3280af22 | 1840 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 1841 | } |
312caa8e | 1842 | break; |
4633a7c4 LW |
1843 | } |
1844 | ||
14dd3ad8 | 1845 | JMPENV_POP; |
4633a7c4 | 1846 | if (flags & G_DISCARD) { |
3280af22 | 1847 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1848 | retval = 0; |
1849 | FREETMPS; | |
1850 | LEAVE; | |
1851 | } | |
533c011a | 1852 | PL_op = oldop; |
4633a7c4 LW |
1853 | return retval; |
1854 | } | |
1855 | ||
954c1994 GS |
1856 | /* |
1857 | =for apidoc p||eval_pv | |
1858 | ||
1859 | Tells Perl to C<eval> the given string and return an SV* result. | |
1860 | ||
1861 | =cut | |
1862 | */ | |
1863 | ||
137443ea | 1864 | SV* |
864dbfa3 | 1865 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 1866 | { |
1867 | dSP; | |
1868 | SV* sv = newSVpv(p, 0); | |
1869 | ||
924508f0 | 1870 | PUSHMARK(SP); |
864dbfa3 | 1871 | eval_sv(sv, G_SCALAR); |
137443ea | 1872 | SvREFCNT_dec(sv); |
1873 | ||
1874 | SPAGAIN; | |
1875 | sv = POPs; | |
1876 | PUTBACK; | |
1877 | ||
2d8e6c8d GS |
1878 | if (croak_on_error && SvTRUE(ERRSV)) { |
1879 | STRLEN n_a; | |
cea2e8a9 | 1880 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 1881 | } |
137443ea | 1882 | |
1883 | return sv; | |
1884 | } | |
1885 | ||
4633a7c4 LW |
1886 | /* Require a module. */ |
1887 | ||
954c1994 GS |
1888 | /* |
1889 | =for apidoc p||require_pv | |
1890 | ||
1891 | Tells Perl to C<require> a module. | |
1892 | ||
1893 | =cut | |
1894 | */ | |
1895 | ||
4633a7c4 | 1896 | void |
864dbfa3 | 1897 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 1898 | { |
d3acc0f7 JP |
1899 | SV* sv; |
1900 | dSP; | |
e788e7d3 | 1901 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
1902 | PUTBACK; |
1903 | sv = sv_newmortal(); | |
4633a7c4 LW |
1904 | sv_setpv(sv, "require '"); |
1905 | sv_catpv(sv, pv); | |
1906 | sv_catpv(sv, "'"); | |
864dbfa3 | 1907 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
1908 | SPAGAIN; |
1909 | POPSTACK; | |
79072805 LW |
1910 | } |
1911 | ||
79072805 | 1912 | void |
864dbfa3 | 1913 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
1914 | { |
1915 | register GV *gv; | |
1916 | ||
155aba94 | 1917 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
79072805 LW |
1918 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1919 | } | |
1920 | ||
76e3520e | 1921 | STATIC void |
cea2e8a9 | 1922 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 1923 | { |
ab821d7f | 1924 | /* This message really ought to be max 23 lines. |
1925 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1926 | |
76e3520e | 1927 | static char *usage_msg[] = { |
fb73857a | 1928 | "-0[octal] specify record separator (\\0, if no argument)", |
1929 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
46487f74 | 1930 | "-C enable native wide character system interfaces", |
fb73857a | 1931 | "-c check syntax only (runs BEGIN and END blocks)", |
aac3bd0d GS |
1932 | "-d[:debugger] run program under debugger", |
1933 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
1934 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
1935 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
1936 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
1937 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 1938 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
1939 | "-[mM][-]module execute `use/no module...' before executing program", |
1940 | "-n assume 'while (<>) { ... }' loop around program", | |
1941 | "-p assume loop like -n but print line also, like sed", | |
1942 | "-P run program through C preprocessor before compilation", | |
1943 | "-s enable rudimentary parsing for switches after programfile", | |
1944 | "-S look for programfile using PATH environment variable", | |
1945 | "-T enable tainting checks", | |
1946 | "-u dump core after parsing program", | |
fb73857a | 1947 | "-U allow unsafe operations", |
aac3bd0d GS |
1948 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
1949 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
1950 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 GS |
1951 | "-W enable all warnings", |
1952 | "-X disable all warnings", | |
fb73857a | 1953 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1954 | "\n", | |
1955 | NULL | |
1956 | }; | |
76e3520e | 1957 | char **p = usage_msg; |
fb73857a | 1958 | |
ab821d7f | 1959 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1960 | while (*p) |
1961 | printf("\n %s", *p++); | |
4633a7c4 LW |
1962 | } |
1963 | ||
79072805 LW |
1964 | /* This routine handles any switches that can be given during run */ |
1965 | ||
1966 | char * | |
864dbfa3 | 1967 | Perl_moreswitches(pTHX_ char *s) |
79072805 LW |
1968 | { |
1969 | I32 numlen; | |
c07a80fd | 1970 | U32 rschar; |
79072805 LW |
1971 | |
1972 | switch (*s) { | |
1973 | case '0': | |
a863c7d1 MB |
1974 | { |
1975 | dTHR; | |
dff6d3cd | 1976 | rschar = (U32)scan_oct(s, 4, &numlen); |
3280af22 | 1977 | SvREFCNT_dec(PL_nrs); |
c07a80fd | 1978 | if (rschar & ~((U8)~0)) |
3280af22 | 1979 | PL_nrs = &PL_sv_undef; |
c07a80fd | 1980 | else if (!rschar && numlen >= 2) |
79cb57f6 | 1981 | PL_nrs = newSVpvn("", 0); |
c07a80fd | 1982 | else { |
1983 | char ch = rschar; | |
79cb57f6 | 1984 | PL_nrs = newSVpvn(&ch, 1); |
79072805 LW |
1985 | } |
1986 | return s + numlen; | |
a863c7d1 | 1987 | } |
46487f74 GS |
1988 | case 'C': |
1989 | PL_widesyscalls = TRUE; | |
1990 | s++; | |
1991 | return s; | |
2304df62 | 1992 | case 'F': |
3280af22 NIS |
1993 | PL_minus_F = TRUE; |
1994 | PL_splitstr = savepv(s + 1); | |
2304df62 AD |
1995 | s += strlen(s); |
1996 | return s; | |
79072805 | 1997 | case 'a': |
3280af22 | 1998 | PL_minus_a = TRUE; |
79072805 LW |
1999 | s++; |
2000 | return s; | |
2001 | case 'c': | |
3280af22 | 2002 | PL_minus_c = TRUE; |
79072805 LW |
2003 | s++; |
2004 | return s; | |
2005 | case 'd': | |
bbce6d69 | 2006 | forbid_setid("-d"); |
4633a7c4 | 2007 | s++; |
c07a80fd | 2008 | if (*s == ':' || *s == '=') { |
cea2e8a9 | 2009 | my_setenv("PERL5DB", Perl_form(aTHX_ "use Devel::%s;", ++s)); |
4633a7c4 | 2010 | s += strlen(s); |
4633a7c4 | 2011 | } |
ed094faf | 2012 | if (!PL_perldb) { |
3280af22 | 2013 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2014 | init_debugger(); |
ed094faf | 2015 | } |
79072805 LW |
2016 | return s; |
2017 | case 'D': | |
0453d815 | 2018 | { |
79072805 | 2019 | #ifdef DEBUGGING |
bbce6d69 | 2020 | forbid_setid("-D"); |
79072805 | 2021 | if (isALPHA(s[1])) { |
8b73bbec | 2022 | static char debopts[] = "psltocPmfrxuLHXDS"; |
79072805 LW |
2023 | char *d; |
2024 | ||
93a17b20 | 2025 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 2026 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
2027 | } |
2028 | else { | |
3280af22 | 2029 | PL_debug = atoi(s+1); |
79072805 LW |
2030 | for (s++; isDIGIT(*s); s++) ; |
2031 | } | |
3280af22 | 2032 | PL_debug |= 0x80000000; |
79072805 | 2033 | #else |
0453d815 PM |
2034 | dTHR; |
2035 | if (ckWARN_d(WARN_DEBUGGING)) | |
2036 | Perl_warner(aTHX_ WARN_DEBUGGING, | |
2037 | "Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 2038 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
2039 | #endif |
2040 | /*SUPPRESS 530*/ | |
2041 | return s; | |
0453d815 | 2042 | } |
4633a7c4 | 2043 | case 'h': |
3280af22 | 2044 | usage(PL_origargv[0]); |
6ad3d225 | 2045 | PerlProc_exit(0); |
79072805 | 2046 | case 'i': |
3280af22 NIS |
2047 | if (PL_inplace) |
2048 | Safefree(PL_inplace); | |
2049 | PL_inplace = savepv(s+1); | |
79072805 | 2050 | /*SUPPRESS 530*/ |
3280af22 | 2051 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2052 | if (*s) { |
fb73857a | 2053 | *s++ = '\0'; |
7b8d334a GS |
2054 | if (*s == '-') /* Additional switches on #! line. */ |
2055 | s++; | |
2056 | } | |
fb73857a | 2057 | return s; |
2058 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 2059 | forbid_setid("-I"); |
fb73857a | 2060 | ++s; |
2061 | while (*s && isSPACE(*s)) | |
2062 | ++s; | |
2063 | if (*s) { | |
774d564b | 2064 | char *e, *p; |
0df16ed7 GS |
2065 | p = s; |
2066 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2067 | do { | |
2068 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2069 | p = e; | |
2070 | while (isSPACE(*p)) | |
2071 | p++; | |
2072 | } while (*p && *p != '-'); | |
2073 | e = savepvn(s, e-s); | |
9c8a64f0 | 2074 | incpush(e, TRUE, TRUE); |
0df16ed7 GS |
2075 | Safefree(e); |
2076 | s = p; | |
2077 | if (*s == '-') | |
2078 | s++; | |
79072805 LW |
2079 | } |
2080 | else | |
a67e862a | 2081 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2082 | return s; |
79072805 | 2083 | case 'l': |
3280af22 | 2084 | PL_minus_l = TRUE; |
79072805 | 2085 | s++; |
3280af22 NIS |
2086 | if (PL_ors) |
2087 | Safefree(PL_ors); | |
79072805 | 2088 | if (isDIGIT(*s)) { |
3280af22 NIS |
2089 | PL_ors = savepv("\n"); |
2090 | PL_orslen = 1; | |
dff6d3cd | 2091 | *PL_ors = (char)scan_oct(s, 3 + (*s == '0'), &numlen); |
79072805 LW |
2092 | s += numlen; |
2093 | } | |
2094 | else { | |
a863c7d1 | 2095 | dTHR; |
3280af22 NIS |
2096 | if (RsPARA(PL_nrs)) { |
2097 | PL_ors = "\n\n"; | |
2098 | PL_orslen = 2; | |
c07a80fd | 2099 | } |
2100 | else | |
3280af22 NIS |
2101 | PL_ors = SvPV(PL_nrs, PL_orslen); |
2102 | PL_ors = savepvn(PL_ors, PL_orslen); | |
79072805 LW |
2103 | } |
2104 | return s; | |
1a30305b | 2105 | case 'M': |
bbce6d69 | 2106 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2107 | /* FALL THROUGH */ |
2108 | case 'm': | |
bbce6d69 | 2109 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2110 | if (*++s) { |
a5f75d66 | 2111 | char *start; |
11343788 | 2112 | SV *sv; |
a5f75d66 AD |
2113 | char *use = "use "; |
2114 | /* -M-foo == 'no foo' */ | |
2115 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2116 | sv = newSVpv(use,0); |
a5f75d66 | 2117 | start = s; |
1a30305b | 2118 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2119 | while(isALNUM(*s) || *s==':') ++s; |
2120 | if (*s != '=') { | |
11343788 | 2121 | sv_catpv(sv, start); |
c07a80fd | 2122 | if (*(start-1) == 'm') { |
2123 | if (*s != '\0') | |
cea2e8a9 | 2124 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2125 | sv_catpv( sv, " ()"); |
c07a80fd | 2126 | } |
2127 | } else { | |
11343788 MB |
2128 | sv_catpvn(sv, start, s-start); |
2129 | sv_catpv(sv, " split(/,/,q{"); | |
2130 | sv_catpv(sv, ++s); | |
2131 | sv_catpv(sv, "})"); | |
c07a80fd | 2132 | } |
1a30305b | 2133 | s += strlen(s); |
5c831c24 | 2134 | if (!PL_preambleav) |
3280af22 NIS |
2135 | PL_preambleav = newAV(); |
2136 | av_push(PL_preambleav, sv); | |
1a30305b | 2137 | } |
2138 | else | |
cea2e8a9 | 2139 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2140 | return s; |
79072805 | 2141 | case 'n': |
3280af22 | 2142 | PL_minus_n = TRUE; |
79072805 LW |
2143 | s++; |
2144 | return s; | |
2145 | case 'p': | |
3280af22 | 2146 | PL_minus_p = TRUE; |
79072805 LW |
2147 | s++; |
2148 | return s; | |
2149 | case 's': | |
bbce6d69 | 2150 | forbid_setid("-s"); |
3280af22 | 2151 | PL_doswitches = TRUE; |
79072805 LW |
2152 | s++; |
2153 | return s; | |
463ee0b2 | 2154 | case 'T': |
3280af22 | 2155 | if (!PL_tainting) |
cea2e8a9 | 2156 | Perl_croak(aTHX_ "Too late for \"-T\" option"); |
463ee0b2 LW |
2157 | s++; |
2158 | return s; | |
79072805 | 2159 | case 'u': |
3280af22 | 2160 | PL_do_undump = TRUE; |
79072805 LW |
2161 | s++; |
2162 | return s; | |
2163 | case 'U': | |
3280af22 | 2164 | PL_unsafe = TRUE; |
79072805 LW |
2165 | s++; |
2166 | return s; | |
2167 | case 'v': | |
b22c7a20 | 2168 | printf(Perl_form(aTHX_ "\nThis is perl, v%vd built for %s", |
3cb0bbe5 | 2169 | PL_patchlevel, ARCHNAME)); |
fb73857a | 2170 | #if defined(LOCAL_PATCH_COUNT) |
2171 | if (LOCAL_PATCH_COUNT > 0) | |
2172 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
b900a521 | 2173 | (int)LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 2174 | #endif |
1a30305b | 2175 | |
3818b22b | 2176 | printf("\n\nCopyright 1987-2000, Larry Wall\n"); |
79072805 | 2177 | #ifdef MSDOS |
fb73857a | 2178 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 2179 | #endif |
2180 | #ifdef DJGPP | |
2181 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4eb8286e | 2182 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); |
4633a7c4 | 2183 | #endif |
79072805 | 2184 | #ifdef OS2 |
5dd60ef7 | 2185 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
4eb8286e | 2186 | "Version 5 port Copyright (c) 1994-1999, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2187 | #endif |
79072805 | 2188 | #ifdef atarist |
760ac839 | 2189 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 2190 | #endif |
a3f9223b | 2191 | #ifdef __BEOS__ |
4eb8286e | 2192 | printf("BeOS port Copyright Tom Spindler, 1997-1999\n"); |
a3f9223b | 2193 | #endif |
1d84e8df | 2194 | #ifdef MPE |
4eb8286e | 2195 | printf("MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-1999\n"); |
1d84e8df | 2196 | #endif |
9d116dd7 | 2197 | #ifdef OEMVS |
4eb8286e | 2198 | printf("MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 2199 | #endif |
495c5fdc | 2200 | #ifdef __VOS__ |
4eb8286e | 2201 | printf("Stratus VOS port by Paul_Green@stratus.com, 1997-1999\n"); |
495c5fdc | 2202 | #endif |
092bebab | 2203 | #ifdef __OPEN_VM |
4eb8286e | 2204 | printf("VM/ESA port by Neale Ferguson, 1998-1999\n"); |
092bebab | 2205 | #endif |
a1a0e61e | 2206 | #ifdef POSIX_BC |
4eb8286e | 2207 | printf("BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 2208 | #endif |
61ae2fbf | 2209 | #ifdef __MINT__ |
4eb8286e | 2210 | printf("MiNT port by Guido Flohr, 1997-1999\n"); |
61ae2fbf | 2211 | #endif |
f83d2536 GS |
2212 | #ifdef EPOC |
2213 | printf("EPOC port by Olaf Flebbe, 1999-2000\n"); | |
2214 | #endif | |
baed7233 DL |
2215 | #ifdef BINARY_BUILD_NOTICE |
2216 | BINARY_BUILD_NOTICE; | |
2217 | #endif | |
760ac839 | 2218 | printf("\n\ |
79072805 | 2219 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
2220 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
2221 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
2222 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2223 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 2224 | PerlProc_exit(0); |
79072805 | 2225 | case 'w': |
599cee73 PM |
2226 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
2227 | PL_dowarn |= G_WARN_ON; | |
2228 | s++; | |
2229 | return s; | |
2230 | case 'W': | |
2231 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
e24b16f9 | 2232 | PL_compiling.cop_warnings = WARN_ALL ; |
599cee73 PM |
2233 | s++; |
2234 | return s; | |
2235 | case 'X': | |
2236 | PL_dowarn = G_WARN_ALL_OFF; | |
e24b16f9 | 2237 | PL_compiling.cop_warnings = WARN_NONE ; |
79072805 LW |
2238 | s++; |
2239 | return s; | |
a0d0e21e | 2240 | case '*': |
79072805 LW |
2241 | case ' ': |
2242 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2243 | return s+2; | |
2244 | break; | |
a0d0e21e | 2245 | case '-': |
79072805 | 2246 | case 0: |
51882d45 | 2247 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2248 | case '\r': |
2249 | #endif | |
79072805 LW |
2250 | case '\n': |
2251 | case '\t': | |
2252 | break; | |
aa689395 | 2253 | #ifdef ALTERNATE_SHEBANG |
2254 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2255 | break; | |
2256 | #endif | |
a0d0e21e | 2257 | case 'P': |
3280af22 | 2258 | if (PL_preprocess) |
a0d0e21e LW |
2259 | return s+1; |
2260 | /* FALL THROUGH */ | |
79072805 | 2261 | default: |
cea2e8a9 | 2262 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2263 | } |
2264 | return Nullch; | |
2265 | } | |
2266 | ||
2267 | /* compliments of Tom Christiansen */ | |
2268 | ||
2269 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2270 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2271 | |
2272 | void | |
864dbfa3 | 2273 | Perl_my_unexec(pTHX) |
79072805 LW |
2274 | { |
2275 | #ifdef UNEXEC | |
46fc3d4c | 2276 | SV* prog; |
2277 | SV* file; | |
ee580363 | 2278 | int status = 1; |
79072805 LW |
2279 | extern int etext; |
2280 | ||
ee580363 | 2281 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2282 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2283 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2284 | sv_catpv(file, ".perldump"); |
79072805 | 2285 | |
ee580363 GS |
2286 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2287 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2288 | PerlProc_exit(status); |
79072805 | 2289 | #else |
a5f75d66 AD |
2290 | # ifdef VMS |
2291 | # include <lib$routines.h> | |
2292 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2293 | # else |
79072805 | 2294 | ABORT(); /* for use with undump */ |
aa689395 | 2295 | # endif |
a5f75d66 | 2296 | #endif |
79072805 LW |
2297 | } |
2298 | ||
cb68f92d GS |
2299 | /* initialize curinterp */ |
2300 | STATIC void | |
cea2e8a9 | 2301 | S_init_interp(pTHX) |
cb68f92d GS |
2302 | { |
2303 | ||
066ef5b5 | 2304 | #ifdef PERL_OBJECT /* XXX kludge */ |
cb68f92d | 2305 | #define I_REINIT \ |
6b88bc9c GS |
2306 | STMT_START { \ |
2307 | PL_chopset = " \n-"; \ | |
2308 | PL_copline = NOLINE; \ | |
2309 | PL_curcop = &PL_compiling;\ | |
2310 | PL_curcopdb = NULL; \ | |
2311 | PL_dbargs = 0; \ | |
3967c732 | 2312 | PL_dumpindent = 4; \ |
6b88bc9c GS |
2313 | PL_laststatval = -1; \ |
2314 | PL_laststype = OP_STAT; \ | |
2315 | PL_maxscream = -1; \ | |
2316 | PL_maxsysfd = MAXSYSFD; \ | |
2317 | PL_statname = Nullsv; \ | |
2318 | PL_tmps_floor = -1; \ | |
2319 | PL_tmps_ix = -1; \ | |
2320 | PL_op_mask = NULL; \ | |
6b88bc9c GS |
2321 | PL_laststatval = -1; \ |
2322 | PL_laststype = OP_STAT; \ | |
2323 | PL_mess_sv = Nullsv; \ | |
2324 | PL_splitstr = " "; \ | |
2325 | PL_generation = 100; \ | |
2326 | PL_exitlist = NULL; \ | |
2327 | PL_exitlistlen = 0; \ | |
2328 | PL_regindent = 0; \ | |
2329 | PL_in_clean_objs = FALSE; \ | |
2330 | PL_in_clean_all = FALSE; \ | |
2331 | PL_profiledata = NULL; \ | |
2332 | PL_rsfp = Nullfp; \ | |
2333 | PL_rsfp_filters = Nullav; \ | |
24d3c518 | 2334 | PL_dirty = FALSE; \ |
cb68f92d | 2335 | } STMT_END |
9666903d | 2336 | I_REINIT; |
066ef5b5 GS |
2337 | #else |
2338 | # ifdef MULTIPLICITY | |
2339 | # define PERLVAR(var,type) | |
51371543 | 2340 | # define PERLVARA(var,n,type) |
cea2e8a9 | 2341 | # if defined(PERL_IMPLICIT_CONTEXT) |
54aff467 GS |
2342 | # if defined(USE_THREADS) |
2343 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
2344 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
2345 | # else /* !USE_THREADS */ | |
2346 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2347 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2348 | # endif /* USE_THREADS */ | |
cea2e8a9 | 2349 | # else |
c5be433b GS |
2350 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2351 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
cea2e8a9 | 2352 | # endif |
066ef5b5 GS |
2353 | # include "intrpvar.h" |
2354 | # ifndef USE_THREADS | |
2355 | # include "thrdvar.h" | |
2356 | # endif | |
2357 | # undef PERLVAR | |
51371543 | 2358 | # undef PERLVARA |
066ef5b5 GS |
2359 | # undef PERLVARI |
2360 | # undef PERLVARIC | |
3967c732 | 2361 | # else |
066ef5b5 | 2362 | # define PERLVAR(var,type) |
51371543 | 2363 | # define PERLVARA(var,n,type) |
533c011a NIS |
2364 | # define PERLVARI(var,type,init) PL_##var = init; |
2365 | # define PERLVARIC(var,type,init) PL_##var = init; | |
066ef5b5 GS |
2366 | # include "intrpvar.h" |
2367 | # ifndef USE_THREADS | |
2368 | # include "thrdvar.h" | |
2369 | # endif | |
2370 | # undef PERLVAR | |
51371543 | 2371 | # undef PERLVARA |
066ef5b5 GS |
2372 | # undef PERLVARI |
2373 | # undef PERLVARIC | |
2374 | # endif | |
cb68f92d GS |
2375 | #endif |
2376 | ||
cb68f92d GS |
2377 | } |
2378 | ||
76e3520e | 2379 | STATIC void |
cea2e8a9 | 2380 | S_init_main_stash(pTHX) |
79072805 | 2381 | { |
11343788 | 2382 | dTHR; |
463ee0b2 | 2383 | GV *gv; |
6e72f9df | 2384 | |
2385 | /* Note that strtab is a rather special HV. Assumptions are made | |
2386 | about not iterating on it, and not adding tie magic to it. | |
2387 | It is properly deallocated in perl_destruct() */ | |
3280af22 | 2388 | PL_strtab = newHV(); |
5f08fbcd GS |
2389 | #ifdef USE_THREADS |
2390 | MUTEX_INIT(&PL_strtab_mutex); | |
2391 | #endif | |
3280af22 NIS |
2392 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
2393 | hv_ksplit(PL_strtab, 512); | |
6e72f9df | 2394 | |
3280af22 | 2395 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2396 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2397 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2398 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2399 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2400 | SvREADONLY_on(gv); |
3280af22 NIS |
2401 | HvNAME(PL_defstash) = savepv("main"); |
2402 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2403 | GvMULTI_on(PL_incgv); | |
2404 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2405 | GvMULTI_on(PL_hintgv); | |
2406 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2407 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2408 | GvMULTI_on(PL_errgv); | |
2409 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2410 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2411 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2412 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2413 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2414 | PL_curstash = PL_defstash; |
11faa288 | 2415 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2416 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2417 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2418 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2419 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2420 | } |
2421 | ||
76e3520e | 2422 | STATIC void |
cea2e8a9 | 2423 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2424 | { |
0f15f207 | 2425 | dTHR; |
2a92aaa0 | 2426 | |
6c4ab083 | 2427 | *fdscript = -1; |
79072805 | 2428 | |
3280af22 NIS |
2429 | if (PL_e_script) { |
2430 | PL_origfilename = savepv("-e"); | |
96436eeb | 2431 | } |
6c4ab083 GS |
2432 | else { |
2433 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2434 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2435 | |
2436 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2437 | char *s = scriptname + 8; | |
2438 | *fdscript = atoi(s); | |
2439 | while (isDIGIT(*s)) | |
2440 | s++; | |
2441 | if (*s) { | |
2442 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2443 | Safefree(PL_origfilename); |
2444 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2445 | } |
2446 | } | |
2447 | } | |
2448 | ||
57843af0 | 2449 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2450 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2451 | scriptname = ""; |
01f988be | 2452 | if (*fdscript >= 0) { |
3280af22 | 2453 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
96436eeb | 2454 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2455 | if (PL_rsfp) |
2456 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2457 | #endif |
2458 | } | |
3280af22 | 2459 | else if (PL_preprocess) { |
46fc3d4c | 2460 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2461 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2462 | SV *cmd = NEWSV(0,0); |
2463 | ||
2464 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2465 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2466 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2467 | |
0df16ed7 | 2468 | sv_catpvn(sv, "-I", 2); |
fed7345c | 2469 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2470 | |
79072805 | 2471 | #ifdef MSDOS |
cea2e8a9 | 2472 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2473 | sed %s -e \"/^[^#]/b\" \ |
2474 | -e \"/^#[ ]*include[ ]/b\" \ | |
2475 | -e \"/^#[ ]*define[ ]/b\" \ | |
2476 | -e \"/^#[ ]*if[ ]/b\" \ | |
2477 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2478 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2479 | -e \"/^#[ ]*else/b\" \ | |
2480 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2481 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2482 | -e \"/^#[ ]*endif/b\" \ | |
2483 | -e \"s/^#.*//\" \ | |
894356b3 | 2484 | %s | %"SVf" -C %"SVf" %s", |
6b88bc9c | 2485 | (PL_doextract ? "-e \"1,/^#/d\n\"" : ""), |
79072805 | 2486 | #else |
092bebab | 2487 | # ifdef __OPEN_VM |
cea2e8a9 | 2488 | Perl_sv_setpvf(aTHX_ cmd, "\ |
092bebab JH |
2489 | %s %s -e '/^[^#]/b' \ |
2490 | -e '/^#[ ]*include[ ]/b' \ | |
2491 | -e '/^#[ ]*define[ ]/b' \ | |
2492 | -e '/^#[ ]*if[ ]/b' \ | |
2493 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2494 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2495 | -e '/^#[ ]*else/b' \ | |
2496 | -e '/^#[ ]*elif[ ]/b' \ | |
2497 | -e '/^#[ ]*undef[ ]/b' \ | |
2498 | -e '/^#[ ]*endif/b' \ | |
2499 | -e 's/^[ ]*#.*//' \ | |
894356b3 | 2500 | %s | %"SVf" %"SVf" %s", |
092bebab | 2501 | # else |
cea2e8a9 | 2502 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2503 | %s %s -e '/^[^#]/b' \ |
2504 | -e '/^#[ ]*include[ ]/b' \ | |
2505 | -e '/^#[ ]*define[ ]/b' \ | |
2506 | -e '/^#[ ]*if[ ]/b' \ | |
2507 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2508 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2509 | -e '/^#[ ]*else/b' \ | |
2510 | -e '/^#[ ]*elif[ ]/b' \ | |
2511 | -e '/^#[ ]*undef[ ]/b' \ | |
2512 | -e '/^#[ ]*endif/b' \ | |
2513 | -e 's/^[ ]*#.*//' \ | |
894356b3 | 2514 | %s | %"SVf" -C %"SVf" %s", |
092bebab | 2515 | # endif |
79072805 LW |
2516 | #ifdef LOC_SED |
2517 | LOC_SED, | |
2518 | #else | |
2519 | "sed", | |
2520 | #endif | |
3280af22 | 2521 | (PL_doextract ? "-e '1,/^#/d\n'" : ""), |
79072805 | 2522 | #endif |
46fc3d4c | 2523 | scriptname, cpp, sv, CPPMINUS); |
3280af22 | 2524 | PL_doextract = FALSE; |
79072805 | 2525 | #ifdef IAMSUID /* actually, this is caught earlier */ |
b28d0864 | 2526 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ |
79072805 | 2527 | #ifdef HAS_SETEUID |
b28d0864 | 2528 | (void)seteuid(PL_uid); /* musn't stay setuid root */ |
79072805 LW |
2529 | #else |
2530 | #ifdef HAS_SETREUID | |
b28d0864 | 2531 | (void)setreuid((Uid_t)-1, PL_uid); |
85e6fe83 LW |
2532 | #else |
2533 | #ifdef HAS_SETRESUID | |
b28d0864 | 2534 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); |
79072805 | 2535 | #else |
b28d0864 | 2536 | PerlProc_setuid(PL_uid); |
79072805 LW |
2537 | #endif |
2538 | #endif | |
85e6fe83 | 2539 | #endif |
b28d0864 | 2540 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2541 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 LW |
2542 | } |
2543 | #endif /* IAMSUID */ | |
3280af22 | 2544 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2545 | SvREFCNT_dec(cmd); |
2546 | SvREFCNT_dec(cpp); | |
79072805 LW |
2547 | } |
2548 | else if (!*scriptname) { | |
bbce6d69 | 2549 | forbid_setid("program input from stdin"); |
3280af22 | 2550 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2551 | } |
96436eeb | 2552 | else { |
3280af22 | 2553 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2554 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2555 | if (PL_rsfp) |
2556 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2557 | #endif |
2558 | } | |
3280af22 | 2559 | if (!PL_rsfp) { |
13281fa4 | 2560 | #ifdef DOSUID |
a687059c | 2561 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
6b88bc9c | 2562 | if (PL_euid && |
cc49e20b | 2563 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && |
6b88bc9c GS |
2564 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) |
2565 | { | |
46fc3d4c | 2566 | /* try again */ |
a7cb1f99 | 2567 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
2568 | (int)PERL_REVISION, (int)PERL_VERSION, |
2569 | (int)PERL_SUBVERSION), PL_origargv); | |
cea2e8a9 | 2570 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
2571 | } |
2572 | #endif | |
2573 | #endif | |
cea2e8a9 | 2574 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
cc49e20b | 2575 | CopFILE(PL_curcop), Strerror(errno)); |
13281fa4 | 2576 | } |
79072805 | 2577 | } |
8d063cd8 | 2578 | |
7b89560d JH |
2579 | /* Mention |
2580 | * I_SYSSTATVFS HAS_FSTATVFS | |
2581 | * I_SYSMOUNT | |
c890dc6c | 2582 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
2583 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
2584 | * here so that metaconfig picks them up. */ | |
2585 | ||
104d25b7 | 2586 | #ifdef IAMSUID |
864dbfa3 | 2587 | STATIC int |
e688b231 | 2588 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 2589 | { |
0545a864 JH |
2590 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
2591 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 2592 | /* |
ad27e871 | 2593 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 2594 | * fstatvfs() is UNIX98. |
0545a864 | 2595 | * fstatfs() is 4.3 BSD. |
ad27e871 | 2596 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
2597 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
2598 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
2599 | */ |
2600 | ||
2601 | # ifdef HAS_FSTATVFS | |
2602 | struct statvfs stfs; | |
2603 | check_okay = fstatvfs(fd, &stfs) == 0; | |
2604 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
2605 | # else | |
0545a864 | 2606 | # ifdef PERL_MOUNT_NOSUID |
ad27e871 JH |
2607 | # if defined(HAS_FSTATFS) && \ |
2608 | defined(HAS_STRUCT_STATFS) && \ | |
2609 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
e688b231 | 2610 | struct statfs stfs; |
104d25b7 | 2611 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 2612 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
0545a864 JH |
2613 | # else |
2614 | # if defined(HAS_FSTAT) && \ | |
2615 | defined(HAS_USTAT) && \ | |
ad27e871 | 2616 | defined(HAS_GETMNT) && \ |
65d1664e | 2617 | defined(HAS_STRUCT_FS_DATA) && \ |
ad27e871 | 2618 | defined(NOSTAT_ONE) |
0545a864 JH |
2619 | struct stat fdst; |
2620 | if (fstat(fd, &fdst) == 0) { | |
2621 | struct ustat us; | |
2622 | if (ustat(fdst.st_dev, &us) == 0) { | |
2623 | struct fs_data fsd; | |
ad27e871 JH |
2624 | /* NOSTAT_ONE here because we're not examining fields which |
2625 | * vary between that case and STAT_ONE. */ | |
2626 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { | |
0545a864 JH |
2627 | size_t cmplen = sizeof(us.f_fname); |
2628 | if (sizeof(fsd.fd_req.path) < cmplen) | |
2629 | cmplen = sizeof(fsd.fd_req.path); | |
2630 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
2631 | fdst.st_dev == fsd.fd_req.dev) { | |
2632 | check_okay = 1; | |
2633 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
2634 | } | |
2635 | } | |
2636 | } | |
2637 | } | |
2638 | } | |
ad27e871 JH |
2639 | # endif /* fstat+ustat+getmnt */ |
2640 | # endif /* fstatfs */ | |
104d25b7 | 2641 | # else |
0545a864 JH |
2642 | # if defined(HAS_GETMNTENT) && \ |
2643 | defined(HAS_HASMNTOPT) && \ | |
2644 | defined(MNTOPT_NOSUID) | |
104d25b7 JH |
2645 | FILE *mtab = fopen("/etc/mtab", "r"); |
2646 | struct mntent *entry; | |
2647 | struct stat stb, fsb; | |
2648 | ||
2649 | if (mtab && (fstat(fd, &stb) == 0)) { | |
e688b231 JH |
2650 | while (entry = getmntent(mtab)) { |
2651 | if (stat(entry->mnt_dir, &fsb) == 0 | |
2652 | && fsb.st_dev == stb.st_dev) | |
104d25b7 JH |
2653 | { |
2654 | /* found the filesystem */ | |
2655 | check_okay = 1; | |
2656 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
2657 | on_nosuid = 1; | |
2658 | break; | |
e688b231 | 2659 | } /* A single fs may well fail its stat(). */ |
104d25b7 JH |
2660 | } |
2661 | } | |
2662 | if (mtab) | |
2663 | fclose(mtab); | |
ad27e871 | 2664 | # endif /* getmntent+hasmntopt */ |
0545a864 | 2665 | # endif /* PERL_MOUNT_NOSUID: fstatfs or fstat+ustat+statfs */ |
e688b231 | 2666 | # endif /* statvfs */ |
0545a864 | 2667 | |
104d25b7 | 2668 | if (!check_okay) |
0545a864 | 2669 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
2670 | return on_nosuid; |
2671 | } | |
2672 | #endif /* IAMSUID */ | |
2673 | ||
76e3520e | 2674 | STATIC void |
cea2e8a9 | 2675 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 2676 | { |
155aba94 | 2677 | #ifdef IAMSUID |
96436eeb | 2678 | int which; |
155aba94 | 2679 | #endif |
96436eeb | 2680 | |
13281fa4 LW |
2681 | /* do we need to emulate setuid on scripts? */ |
2682 | ||
2683 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2684 | * in the kernel because of a security problem. Merely defining DOSUID | |
2685 | * in perl will not fix that problem, but if you have disabled setuid | |
2686 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2687 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2688 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2689 | * discovers that it has opened a setuid script, it calls suidperl with | |
2690 | * the same argv that it had. If suidperl finds that the script it has | |
2691 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2692 | * uid. We don't just make perl setuid root because that loses the | |
2693 | * effective uid we had before invoking perl, if it was different from the | |
2694 | * uid. | |
13281fa4 LW |
2695 | * |
2696 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2697 | * be defined in suidperl only. suidperl must be setuid root. The | |
2698 | * Configure script will set this up for you if you want it. | |
2699 | */ | |
a687059c | 2700 | |
13281fa4 | 2701 | #ifdef DOSUID |
ea0efc06 | 2702 | dTHR; |
6e72f9df | 2703 | char *s, *s2; |
a0d0e21e | 2704 | |
b28d0864 | 2705 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 2706 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 2707 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2708 | I32 len; |
2d8e6c8d | 2709 | STRLEN n_a; |
13281fa4 | 2710 | |
a687059c | 2711 | #ifdef IAMSUID |
fe14fcc3 | 2712 | #ifndef HAS_SETREUID |
a687059c LW |
2713 | /* On this access check to make sure the directories are readable, |
2714 | * there is actually a small window that the user could use to make | |
2715 | * filename point to an accessible directory. So there is a faint | |
2716 | * chance that someone could execute a setuid script down in a | |
2717 | * non-accessible directory. I don't know what to do about that. | |
2718 | * But I don't think it's too important. The manual lies when | |
2719 | * it says access() is useful in setuid programs. | |
2720 | */ | |
cc49e20b | 2721 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 2722 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
2723 | #else |
2724 | /* If we can swap euid and uid, then we can determine access rights | |
2725 | * with a simple stat of the file, and then compare device and | |
2726 | * inode to make sure we did stat() on the same file we opened. | |
2727 | * Then we just have to make sure he or she can execute it. | |
2728 | */ | |
2729 | { | |
2730 | struct stat tmpstatbuf; | |
2731 | ||
85e6fe83 LW |
2732 | if ( |
2733 | #ifdef HAS_SETREUID | |
b28d0864 | 2734 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
2735 | #else |
2736 | # if HAS_SETRESUID | |
b28d0864 | 2737 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 2738 | # endif |
85e6fe83 | 2739 | #endif |
b28d0864 | 2740 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2741 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 2742 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 2743 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 2744 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 2745 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 2746 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 2747 | #endif |
b28d0864 NIS |
2748 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
2749 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
2750 | (void)PerlIO_close(PL_rsfp); | |
2751 | if (PL_rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ | |
2752 | PerlIO_printf(PL_rsfp, | |
785fb66b JH |
2753 | "User %"Uid_t_f" tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2754 | (Filename of set-id script was %s, uid %"Uid_t_f" gid %"Gid_t_f".)\n\nSincerely,\nperl\n", | |
2755 | PL_uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
b28d0864 | 2756 | (long)PL_statbuf.st_dev, (long)PL_statbuf.st_ino, |
cc49e20b | 2757 | CopFILE(PL_curcop), |
785fb66b | 2758 | PL_statbuf.st_uid, PL_statbuf.st_gid); |
b28d0864 | 2759 | (void)PerlProc_pclose(PL_rsfp); |
a687059c | 2760 | } |
cea2e8a9 | 2761 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2762 | } |
85e6fe83 LW |
2763 | if ( |
2764 | #ifdef HAS_SETREUID | |
b28d0864 | 2765 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
2766 | #else |
2767 | # if defined(HAS_SETRESUID) | |
b28d0864 | 2768 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 2769 | # endif |
85e6fe83 | 2770 | #endif |
b28d0864 | 2771 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 2772 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 2773 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 2774 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2775 | } |
fe14fcc3 | 2776 | #endif /* HAS_SETREUID */ |
a687059c LW |
2777 | #endif /* IAMSUID */ |
2778 | ||
b28d0864 | 2779 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 2780 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 2781 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 2782 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 2783 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 2784 | CopLINE_inc(PL_curcop); |
6b88bc9c | 2785 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 2786 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 2787 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 2788 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 2789 | if (*s == ' ') s++; |
45d8adaa | 2790 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 2791 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 2792 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2793 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 2794 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 2795 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2796 | /* |
2797 | * #! arg must be what we saw above. They can invoke it by | |
2798 | * mentioning suidperl explicitly, but they may not add any strange | |
2799 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2800 | */ | |
2801 | len = strlen(validarg); | |
2802 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2803 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 2804 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
2805 | |
2806 | #ifndef IAMSUID | |
b28d0864 NIS |
2807 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
2808 | PL_euid == PL_statbuf.st_uid) | |
2809 | if (!PL_do_undump) | |
cea2e8a9 | 2810 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2811 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2812 | #endif /* IAMSUID */ | |
13281fa4 | 2813 | |
b28d0864 NIS |
2814 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
2815 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 2816 | #ifndef IAMSUID |
46fc3d4c | 2817 | /* try again */ |
a7cb1f99 | 2818 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
2819 | (int)PERL_REVISION, (int)PERL_VERSION, |
2820 | (int)PERL_SUBVERSION), PL_origargv); | |
13281fa4 | 2821 | #endif |
cea2e8a9 | 2822 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
2823 | } |
2824 | ||
b28d0864 | 2825 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 2826 | #ifdef HAS_SETEGID |
b28d0864 | 2827 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 2828 | #else |
fe14fcc3 | 2829 | #ifdef HAS_SETREGID |
b28d0864 | 2830 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
2831 | #else |
2832 | #ifdef HAS_SETRESGID | |
b28d0864 | 2833 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 2834 | #else |
b28d0864 | 2835 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
2836 | #endif |
2837 | #endif | |
85e6fe83 | 2838 | #endif |
b28d0864 | 2839 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 2840 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 2841 | } |
b28d0864 NIS |
2842 | if (PL_statbuf.st_mode & S_ISUID) { |
2843 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 2844 | #ifdef HAS_SETEUID |
b28d0864 | 2845 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 2846 | #else |
fe14fcc3 | 2847 | #ifdef HAS_SETREUID |
b28d0864 | 2848 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
2849 | #else |
2850 | #ifdef HAS_SETRESUID | |
b28d0864 | 2851 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 2852 | #else |
b28d0864 | 2853 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
2854 | #endif |
2855 | #endif | |
85e6fe83 | 2856 | #endif |
b28d0864 | 2857 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 2858 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 2859 | } |
b28d0864 | 2860 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2861 | #ifdef HAS_SETEUID |
b28d0864 | 2862 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 2863 | #else |
fe14fcc3 | 2864 | #ifdef HAS_SETREUID |
b28d0864 | 2865 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 2866 | #else |
85e6fe83 | 2867 | #ifdef HAS_SETRESUID |
b28d0864 | 2868 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 2869 | #else |
b28d0864 | 2870 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 2871 | #endif |
a687059c LW |
2872 | #endif |
2873 | #endif | |
b28d0864 | 2874 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2875 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 2876 | } |
748a9306 | 2877 | init_ids(); |
b28d0864 | 2878 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 2879 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2880 | } |
2881 | #ifdef IAMSUID | |
6b88bc9c | 2882 | else if (PL_preprocess) |
cea2e8a9 | 2883 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 2884 | else if (fdscript >= 0) |
cea2e8a9 | 2885 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 2886 | else |
cea2e8a9 | 2887 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2888 | |
2889 | /* We absolutely must clear out any saved ids here, so we */ | |
2890 | /* exec the real perl, substituting fd script for scriptname. */ | |
2891 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
2892 | PerlIO_rewind(PL_rsfp); |
2893 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
2894 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
2895 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
2896 | Perl_croak(aTHX_ "Permission denied"); |
2897 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 2898 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 2899 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 2900 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2901 | #endif |
a7cb1f99 | 2902 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
2903 | (int)PERL_REVISION, (int)PERL_VERSION, |
2904 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
cea2e8a9 | 2905 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 2906 | #endif /* IAMSUID */ |
a687059c | 2907 | #else /* !DOSUID */ |
3280af22 | 2908 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 2909 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 | 2910 | dTHR; |
b28d0864 NIS |
2911 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
2912 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 2913 | || |
b28d0864 | 2914 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 2915 | ) |
b28d0864 | 2916 | if (!PL_do_undump) |
cea2e8a9 | 2917 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2918 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2919 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2920 | /* not set-id, must be wrapped */ | |
a687059c | 2921 | } |
13281fa4 | 2922 | #endif /* DOSUID */ |
79072805 | 2923 | } |
13281fa4 | 2924 | |
76e3520e | 2925 | STATIC void |
cea2e8a9 | 2926 | S_find_beginning(pTHX) |
79072805 | 2927 | { |
6e72f9df | 2928 | register char *s, *s2; |
33b78306 LW |
2929 | |
2930 | /* skip forward in input to the real script? */ | |
2931 | ||
bbce6d69 | 2932 | forbid_setid("-x"); |
3280af22 NIS |
2933 | while (PL_doextract) { |
2934 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 2935 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
6e72f9df | 2936 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
3280af22 NIS |
2937 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
2938 | PL_doextract = FALSE; | |
6e72f9df | 2939 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2940 | s2 = s; | |
2941 | while (*s == ' ' || *s == '\t') s++; | |
2942 | if (*s++ == '-') { | |
2943 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2944 | if (strnEQ(s2-4,"perl",4)) | |
2945 | /*SUPPRESS 530*/ | |
155aba94 GS |
2946 | while ((s = moreswitches(s))) |
2947 | ; | |
33b78306 | 2948 | } |
83025b21 LW |
2949 | } |
2950 | } | |
2951 | } | |
2952 | ||
afe37c7d | 2953 | |
76e3520e | 2954 | STATIC void |
cea2e8a9 | 2955 | S_init_ids(pTHX) |
352d5a3a | 2956 | { |
d8eceb89 JH |
2957 | PL_uid = PerlProc_getuid(); |
2958 | PL_euid = PerlProc_geteuid(); | |
2959 | PL_gid = PerlProc_getgid(); | |
2960 | PL_egid = PerlProc_getegid(); | |
748a9306 | 2961 | #ifdef VMS |
b28d0864 NIS |
2962 | PL_uid |= PL_gid << 16; |
2963 | PL_euid |= PL_egid << 16; | |
748a9306 | 2964 | #endif |
3280af22 | 2965 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 2966 | } |
79072805 | 2967 | |
76e3520e | 2968 | STATIC void |
cea2e8a9 | 2969 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 2970 | { |
3280af22 | 2971 | if (PL_euid != PL_uid) |
cea2e8a9 | 2972 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 2973 | if (PL_egid != PL_gid) |
cea2e8a9 | 2974 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 2975 | } |
2976 | ||
1ee4443e IZ |
2977 | void |
2978 | Perl_init_debugger(pTHX) | |
748a9306 | 2979 | { |
11343788 | 2980 | dTHR; |
1ee4443e IZ |
2981 | HV *ostash = PL_curstash; |
2982 | ||
3280af22 NIS |
2983 | PL_curstash = PL_debstash; |
2984 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
2985 | AvREAL_off(PL_dbargs); | |
2986 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
2987 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
2988 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 2989 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
3280af22 NIS |
2990 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
2991 | sv_setiv(PL_DBsingle, 0); | |
2992 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); | |
2993 | sv_setiv(PL_DBtrace, 0); | |
2994 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); | |
2995 | sv_setiv(PL_DBsignal, 0); | |
1ee4443e | 2996 | PL_curstash = ostash; |
352d5a3a LW |
2997 | } |
2998 | ||
2ce36478 SM |
2999 | #ifndef STRESS_REALLOC |
3000 | #define REASONABLE(size) (size) | |
3001 | #else | |
3002 | #define REASONABLE(size) (1) /* unreasonable */ | |
3003 | #endif | |
3004 | ||
11343788 | 3005 | void |
cea2e8a9 | 3006 | Perl_init_stacks(pTHX) |
79072805 | 3007 | { |
e336de0d | 3008 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3009 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3010 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3011 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3012 | PL_curstack = PL_curstackinfo->si_stack; | |
3013 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3014 | |
3280af22 NIS |
3015 | PL_stack_base = AvARRAY(PL_curstack); |
3016 | PL_stack_sp = PL_stack_base; | |
3017 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3018 | |
3280af22 NIS |
3019 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
3020 | PL_tmps_floor = -1; | |
3021 | PL_tmps_ix = -1; | |
3022 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3023 | |
3280af22 NIS |
3024 | New(54,PL_markstack,REASONABLE(32),I32); |
3025 | PL_markstack_ptr = PL_markstack; | |
3026 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3027 | |
ce2f7c3b | 3028 | SET_MARK_OFFSET; |
e336de0d | 3029 | |
3280af22 NIS |
3030 | New(54,PL_scopestack,REASONABLE(32),I32); |
3031 | PL_scopestack_ix = 0; | |
3032 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3033 | |
3280af22 NIS |
3034 | New(54,PL_savestack,REASONABLE(128),ANY); |
3035 | PL_savestack_ix = 0; | |
3036 | PL_savestack_max = REASONABLE(128); | |
79072805 | 3037 | |
3280af22 NIS |
3038 | New(54,PL_retstack,REASONABLE(16),OP*); |
3039 | PL_retstack_ix = 0; | |
3040 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 3041 | } |
33b78306 | 3042 | |
2ce36478 SM |
3043 | #undef REASONABLE |
3044 | ||
76e3520e | 3045 | STATIC void |
cea2e8a9 | 3046 | S_nuke_stacks(pTHX) |
6e72f9df | 3047 | { |
e858de61 | 3048 | dTHR; |
3280af22 NIS |
3049 | while (PL_curstackinfo->si_next) |
3050 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3051 | while (PL_curstackinfo) { | |
3052 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3053 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3054 | Safefree(PL_curstackinfo->si_cxstack); |
3055 | Safefree(PL_curstackinfo); | |
3056 | PL_curstackinfo = p; | |
e336de0d | 3057 | } |
3280af22 NIS |
3058 | Safefree(PL_tmps_stack); |
3059 | Safefree(PL_markstack); | |
3060 | Safefree(PL_scopestack); | |
3061 | Safefree(PL_savestack); | |
3062 | Safefree(PL_retstack); | |
378cc40b | 3063 | } |
33b78306 | 3064 | |
76e3520e | 3065 | #ifndef PERL_OBJECT |
760ac839 | 3066 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 3067 | #endif |
7aa04957 | 3068 | |
76e3520e | 3069 | STATIC void |
cea2e8a9 | 3070 | S_init_lexer(pTHX) |
8990e307 | 3071 | { |
76e3520e GS |
3072 | #ifdef PERL_OBJECT |
3073 | PerlIO *tmpfp; | |
3074 | #endif | |
3280af22 NIS |
3075 | tmpfp = PL_rsfp; |
3076 | PL_rsfp = Nullfp; | |
3077 | lex_start(PL_linestr); | |
3078 | PL_rsfp = tmpfp; | |
79cb57f6 | 3079 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3080 | } |
3081 | ||
76e3520e | 3082 | STATIC void |
cea2e8a9 | 3083 | S_init_predump_symbols(pTHX) |
45d8adaa | 3084 | { |
11343788 | 3085 | dTHR; |
93a17b20 | 3086 | GV *tmpgv; |
af8c498a | 3087 | IO *io; |
79072805 | 3088 | |
864dbfa3 | 3089 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3090 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3091 | GvMULTI_on(PL_stdingv); | |
af8c498a GS |
3092 | io = GvIOp(PL_stdingv); |
3093 | IoIFP(io) = PerlIO_stdin(); | |
adbc6bb1 | 3094 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3095 | GvMULTI_on(tmpgv); |
af8c498a | 3096 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3097 | |
85e6fe83 | 3098 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3099 | GvMULTI_on(tmpgv); |
af8c498a GS |
3100 | io = GvIOp(tmpgv); |
3101 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); | |
4633a7c4 | 3102 | setdefout(tmpgv); |
adbc6bb1 | 3103 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3104 | GvMULTI_on(tmpgv); |
af8c498a | 3105 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3106 | |
bf49b057 GS |
3107 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3108 | GvMULTI_on(PL_stderrgv); | |
3109 | io = GvIOp(PL_stderrgv); | |
af8c498a | 3110 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3111 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3112 | GvMULTI_on(tmpgv); |
af8c498a | 3113 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3114 | |
3280af22 | 3115 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3116 | |
3280af22 NIS |
3117 | if (!PL_osname) |
3118 | PL_osname = savepv(OSNAME); | |
79072805 | 3119 | } |
33b78306 | 3120 | |
76e3520e | 3121 | STATIC void |
cea2e8a9 | 3122 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) |
33b78306 | 3123 | { |
a863c7d1 | 3124 | dTHR; |
79072805 LW |
3125 | char *s; |
3126 | SV *sv; | |
3127 | GV* tmpgv; | |
fe14fcc3 | 3128 | |
79072805 | 3129 | argc--,argv++; /* skip name of script */ |
3280af22 | 3130 | if (PL_doswitches) { |
79072805 LW |
3131 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3132 | if (!argv[0][1]) | |
3133 | break; | |
379d538a | 3134 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3135 | argc--,argv++; |
3136 | break; | |
3137 | } | |
155aba94 | 3138 | if ((s = strchr(argv[0], '='))) { |
79072805 | 3139 | *s++ = '\0'; |
85e6fe83 | 3140 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3141 | } |
3142 | else | |
85e6fe83 | 3143 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3144 | } |
79072805 | 3145 | } |
3280af22 NIS |
3146 | PL_toptarget = NEWSV(0,0); |
3147 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3148 | sv_setpvn(PL_toptarget, "", 0); | |
3149 | PL_bodytarget = NEWSV(0,0); | |
3150 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3151 | sv_setpvn(PL_bodytarget, "", 0); | |
3152 | PL_formtarget = PL_bodytarget; | |
79072805 | 3153 | |
bbce6d69 | 3154 | TAINT; |
155aba94 | 3155 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) { |
3280af22 | 3156 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 LW |
3157 | magicname("0", "0", 1); |
3158 | } | |
155aba94 | 3159 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) |
ed344e4f IZ |
3160 | #ifdef OS2 |
3161 | sv_setpv(GvSV(tmpgv), os2_execname()); | |
3162 | #else | |
3280af22 | 3163 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); |
ed344e4f | 3164 | #endif |
155aba94 | 3165 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
3280af22 NIS |
3166 | GvMULTI_on(PL_argvgv); |
3167 | (void)gv_AVadd(PL_argvgv); | |
3168 | av_clear(GvAVn(PL_argvgv)); | |
79072805 | 3169 | for (; argc > 0; argc--,argv++) { |
729a02f2 GS |
3170 | SV *sv = newSVpv(argv[0],0); |
3171 | av_push(GvAVn(PL_argvgv),sv); | |
3172 | if (PL_widesyscalls) | |
3173 | sv_utf8_upgrade(sv); | |
79072805 LW |
3174 | } |
3175 | } | |
155aba94 | 3176 | if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) { |
79072805 | 3177 | HV *hv; |
3280af22 NIS |
3178 | GvMULTI_on(PL_envgv); |
3179 | hv = GvHVn(PL_envgv); | |
3180 | hv_magic(hv, PL_envgv, 'E'); | |
4d2c4e07 | 3181 | #if !defined( VMS) && !defined(EPOC) /* VMS doesn't have environ array */ |
4633a7c4 LW |
3182 | /* Note that if the supplied env parameter is actually a copy |
3183 | of the global environ then it may now point to free'd memory | |
3184 | if the environment has been modified since. To avoid this | |
3185 | problem we treat env==NULL as meaning 'use the default' | |
3186 | */ | |
3187 | if (!env) | |
3188 | env = environ; | |
5aabfad6 | 3189 | if (env != environ) |
79072805 LW |
3190 | environ[0] = Nullch; |
3191 | for (; *env; env++) { | |
93a17b20 | 3192 | if (!(s = strchr(*env,'='))) |
79072805 LW |
3193 | continue; |
3194 | *s++ = '\0'; | |
60ce6247 | 3195 | #if defined(MSDOS) |
137443ea | 3196 | (void)strupr(*env); |
3197 | #endif | |
79072805 LW |
3198 | sv = newSVpv(s--,0); |
3199 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
3200 | *s = '='; | |
3e3baf6d TB |
3201 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
3202 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 3203 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 3204 | #endif |
fe14fcc3 | 3205 | } |
4550b24a | 3206 | #endif |
3207 | #ifdef DYNAMIC_ENV_FETCH | |
3208 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
3209 | #endif | |
79072805 | 3210 | } |
bbce6d69 | 3211 | TAINT_NOT; |
155aba94 | 3212 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) |
7766f137 | 3213 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
33b78306 | 3214 | } |
34de22dd | 3215 | |
76e3520e | 3216 | STATIC void |
cea2e8a9 | 3217 | S_init_perllib(pTHX) |
34de22dd | 3218 | { |
85e6fe83 | 3219 | char *s; |
3280af22 | 3220 | if (!PL_tainting) { |
552a7a9b | 3221 | #ifndef VMS |
76e3520e | 3222 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 3223 | if (s) |
9c8a64f0 | 3224 | incpush(s, TRUE, TRUE); |
85e6fe83 | 3225 | else |
9c8a64f0 | 3226 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE); |
552a7a9b | 3227 | #else /* VMS */ |
3228 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
3229 | * "natural" VMS idiom for a Unix path string. We allow each | |
3230 | * element to be a set of |-separated directories for compatibility. | |
3231 | */ | |
3232 | char buf[256]; | |
3233 | int idx = 0; | |
3234 | if (my_trnlnm("PERL5LIB",buf,0)) | |
9c8a64f0 | 3235 | do { incpush(buf,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 3236 | else |
9c8a64f0 | 3237 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE); |
552a7a9b | 3238 | #endif /* VMS */ |
85e6fe83 | 3239 | } |
34de22dd | 3240 | |
c90c0ff4 | 3241 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 3242 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 3243 | */ |
4633a7c4 | 3244 | #ifdef APPLLIB_EXP |
9c8a64f0 | 3245 | incpush(APPLLIB_EXP, TRUE, TRUE); |
16d20bd9 | 3246 | #endif |
4633a7c4 | 3247 | |
fed7345c | 3248 | #ifdef ARCHLIB_EXP |
9c8a64f0 | 3249 | incpush(ARCHLIB_EXP, FALSE, FALSE); |
a0d0e21e | 3250 | #endif |
fed7345c | 3251 | #ifndef PRIVLIB_EXP |
65f19062 | 3252 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 3253 | #endif |
00dc2f4f | 3254 | #if defined(WIN32) |
9c8a64f0 | 3255 | incpush(PRIVLIB_EXP, TRUE, FALSE); |
00dc2f4f | 3256 | #else |
9c8a64f0 | 3257 | incpush(PRIVLIB_EXP, FALSE, FALSE); |
00dc2f4f | 3258 | #endif |
4633a7c4 | 3259 | |
65f19062 | 3260 | #ifdef SITEARCH_EXP |
3b290362 GS |
3261 | /* sitearch is always relative to sitelib on Windows for |
3262 | * DLL-based path intuition to work correctly */ | |
3263 | # if !defined(WIN32) | |
9c8a64f0 | 3264 | incpush(SITEARCH_EXP, FALSE, FALSE); |
65f19062 GS |
3265 | # endif |
3266 | #endif | |
3267 | ||
4633a7c4 | 3268 | #ifdef SITELIB_EXP |
65f19062 | 3269 | # if defined(WIN32) |
9c8a64f0 | 3270 | incpush(SITELIB_EXP, TRUE, FALSE); /* this picks up sitearch as well */ |
65f19062 | 3271 | # else |
9c8a64f0 | 3272 | incpush(SITELIB_EXP, FALSE, FALSE); |
65f19062 GS |
3273 | # endif |
3274 | #endif | |
189d1e8d | 3275 | |
65f19062 | 3276 | #ifdef SITELIB_STEM /* Search for version-specific dirs below here */ |
9c8a64f0 | 3277 | incpush(SITELIB_STEM, FALSE, TRUE); |
81c6dfba | 3278 | #endif |
65f19062 GS |
3279 | |
3280 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 3281 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
3282 | * DLL-based path intuition to work correctly */ |
3283 | # if !defined(WIN32) | |
9c8a64f0 | 3284 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE); |
65f19062 | 3285 | # endif |
4b03c463 | 3286 | #endif |
65f19062 GS |
3287 | |
3288 | #ifdef PERL_VENDORLIB_EXP | |
3289 | # if defined(WIN32) | |
9c8a64f0 | 3290 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE); /* this picks up vendorarch as well */ |
65f19062 | 3291 | # else |
9c8a64f0 | 3292 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE); |
65f19062 | 3293 | # endif |
a3635516 | 3294 | #endif |
65f19062 GS |
3295 | |
3296 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
9c8a64f0 | 3297 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE); |
00dc2f4f | 3298 | #endif |
65f19062 | 3299 | |
3280af22 | 3300 | if (!PL_tainting) |
9c8a64f0 | 3301 | incpush(".", FALSE, FALSE); |
774d564b | 3302 | } |
3303 | ||
3304 | #if defined(DOSISH) | |
3305 | # define PERLLIB_SEP ';' | |
3306 | #else | |
3307 | # if defined(VMS) | |
3308 | # define PERLLIB_SEP '|' | |
3309 | # else | |
3310 | # define PERLLIB_SEP ':' | |
3311 | # endif | |
3312 | #endif | |
3313 | #ifndef PERLLIB_MANGLE | |
3314 | # define PERLLIB_MANGLE(s,n) (s) | |
3315 | #endif | |
3316 | ||
76e3520e | 3317 | STATIC void |
9c8a64f0 | 3318 | S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers) |
774d564b | 3319 | { |
3320 | SV *subdir = Nullsv; | |
774d564b | 3321 | |
3b290362 | 3322 | if (!p || !*p) |
774d564b | 3323 | return; |
3324 | ||
9c8a64f0 | 3325 | if (addsubdirs || addoldvers) { |
00db4c45 | 3326 | subdir = sv_newmortal(); |
774d564b | 3327 | } |
3328 | ||
3329 | /* Break at all separators */ | |
3330 | while (p && *p) { | |
8c52afec | 3331 | SV *libdir = NEWSV(55,0); |
774d564b | 3332 | char *s; |
3333 | ||
3334 | /* skip any consecutive separators */ | |
3335 | while ( *p == PERLLIB_SEP ) { | |
3336 | /* Uncomment the next line for PATH semantics */ | |
79cb57f6 | 3337 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ |
774d564b | 3338 | p++; |
3339 | } | |
3340 | ||
3341 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
3342 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
3343 | (STRLEN)(s - p)); | |
3344 | p = s + 1; | |
3345 | } | |
3346 | else { | |
3347 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
3348 | p = Nullch; /* break out */ | |
3349 | } | |
3350 | ||
3351 | /* | |
3352 | * BEFORE pushing libdir onto @INC we may first push version- and | |
3353 | * archname-specific sub-directories. | |
3354 | */ | |
9c8a64f0 | 3355 | if (addsubdirs || addoldvers) { |
29d82f8d | 3356 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
3357 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
3358 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
3359 | const char **incver; |
3360 | #endif | |
774d564b | 3361 | struct stat tmpstatbuf; |
aa689395 | 3362 | #ifdef VMS |
3363 | char *unix; | |
3364 | STRLEN len; | |
774d564b | 3365 | |
2d8e6c8d | 3366 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 3367 | len = strlen(unix); |
3368 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
3369 | sv_usepvn(libdir,unix,len); | |
3370 | } | |
3371 | else | |
bf49b057 | 3372 | PerlIO_printf(Perl_error_log, |
aa689395 | 3373 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 3374 | SvPV(libdir,len)); |
aa689395 | 3375 | #endif |
9c8a64f0 GS |
3376 | if (addsubdirs) { |
3377 | /* .../version/archname if -d .../version/archname */ | |
3378 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/"PERL_FS_VER_FMT"/%s", | |
3379 | libdir, | |
3380 | (int)PERL_REVISION, (int)PERL_VERSION, | |
3381 | (int)PERL_SUBVERSION, ARCHNAME); | |
3382 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3383 | S_ISDIR(tmpstatbuf.st_mode)) | |
3384 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4b03c463 | 3385 | |
9c8a64f0 GS |
3386 | /* .../version if -d .../version */ |
3387 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/"PERL_FS_VER_FMT, libdir, | |
3388 | (int)PERL_REVISION, (int)PERL_VERSION, | |
3389 | (int)PERL_SUBVERSION); | |
3390 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3391 | S_ISDIR(tmpstatbuf.st_mode)) | |
3392 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
3393 | ||
3394 | /* .../archname if -d .../archname */ | |
3395 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/%s", libdir, ARCHNAME); | |
29d82f8d GS |
3396 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
3397 | S_ISDIR(tmpstatbuf.st_mode)) | |
3398 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
29d82f8d | 3399 | } |
9c8a64f0 GS |
3400 | |
3401 | if (addoldvers) { | |
3402 | #ifdef PERL_INC_VERSION_LIST | |
3403 | for (incver = incverlist; *incver; incver++) { | |
3404 | /* .../xxx if -d .../xxx */ | |
3405 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/%s", libdir, *incver); | |
3406 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3407 | S_ISDIR(tmpstatbuf.st_mode)) | |
3408 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
3409 | } | |
3410 | } | |
29d82f8d | 3411 | #endif |
774d564b | 3412 | } |
3413 | ||
3414 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 3415 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 3416 | } |
34de22dd | 3417 | } |
93a17b20 | 3418 | |
199100c8 | 3419 | #ifdef USE_THREADS |
76e3520e | 3420 | STATIC struct perl_thread * |
cea2e8a9 | 3421 | S_init_main_thread(pTHX) |
199100c8 | 3422 | { |
c5be433b | 3423 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 3424 | struct perl_thread *thr; |
cea2e8a9 | 3425 | #endif |
199100c8 MB |
3426 | XPV *xpv; |
3427 | ||
52e1cb5e | 3428 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 3429 | PL_curcop = &PL_compiling; |
c5be433b | 3430 | thr->interp = PERL_GET_INTERP; |
199100c8 | 3431 | thr->cvcache = newHV(); |
54b9620d | 3432 | thr->threadsv = newAV(); |
940cb80d | 3433 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
3434 | thr->specific = newAV(); |
3435 | thr->flags = THRf_R_JOINABLE; | |
3436 | MUTEX_INIT(&thr->mutex); | |
3437 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 3438 | New(53, PL_thrsv, 1, SV); |
199100c8 | 3439 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
3440 | SvFLAGS(PL_thrsv) = SVt_PV; |
3441 | SvANY(PL_thrsv) = (void*)xpv; | |
3442 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
3443 | SvPVX(PL_thrsv) = (char*)thr; | |
3444 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
3445 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
3446 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
3447 | thr->oursv = PL_thrsv; | |
3448 | PL_chopset = " \n-"; | |
3967c732 | 3449 | PL_dumpindent = 4; |
533c011a NIS |
3450 | |
3451 | MUTEX_LOCK(&PL_threads_mutex); | |
3452 | PL_nthreads++; | |
199100c8 MB |
3453 | thr->tid = 0; |
3454 | thr->next = thr; | |
3455 | thr->prev = thr; | |
533c011a | 3456 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 3457 | |
4b026b9e | 3458 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 3459 | Perl_init_thread_intern(thr); |
235db74f GS |
3460 | #endif |
3461 | ||
3462 | #ifdef SET_THREAD_SELF | |
3463 | SET_THREAD_SELF(thr); | |
199100c8 MB |
3464 | #else |
3465 | thr->self = pthread_self(); | |
235db74f | 3466 | #endif /* SET_THREAD_SELF */ |
06d86050 | 3467 | PERL_SET_THX(thr); |
199100c8 MB |
3468 | |
3469 | /* | |
3470 | * These must come after the SET_THR because sv_setpvn does | |
3471 | * SvTAINT and the taint fields require dTHR. | |
3472 | */ | |
533c011a NIS |
3473 | PL_toptarget = NEWSV(0,0); |
3474 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3475 | sv_setpvn(PL_toptarget, "", 0); | |
3476 | PL_bodytarget = NEWSV(0,0); | |
3477 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3478 | sv_setpvn(PL_bodytarget, "", 0); | |
3479 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 3480 | thr->errsv = newSVpvn("", 0); |
78857c3c | 3481 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 3482 | |
533c011a | 3483 | PL_maxscream = -1; |
0b94c7bb GS |
3484 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
3485 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
3486 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
3487 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
3488 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
3489 | PL_regindent = 0; |
3490 | PL_reginterp_cnt = 0; | |
5c0ca799 | 3491 | |
199100c8 MB |
3492 | return thr; |
3493 | } | |
3494 | #endif /* USE_THREADS */ | |
3495 | ||
93a17b20 | 3496 | void |
864dbfa3 | 3497 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 3498 | { |
11343788 | 3499 | dTHR; |
971a9dd3 | 3500 | SV *atsv; |
57843af0 | 3501 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 3502 | CV *cv; |
22921e25 | 3503 | STRLEN len; |
6224f72b | 3504 | int ret; |
db36c5a1 | 3505 | dJMPENV; |
93a17b20 | 3506 | |
76e3520e | 3507 | while (AvFILL(paramList) >= 0) { |
312caa8e | 3508 | cv = (CV*)av_shift(paramList); |
8990e307 | 3509 | SAVEFREESV(cv); |
14dd3ad8 GS |
3510 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
3511 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv); | |
3512 | #else | |
3513 | JMPENV_PUSH(ret); | |
3514 | #endif | |
6224f72b | 3515 | switch (ret) { |
312caa8e | 3516 | case 0: |
14dd3ad8 GS |
3517 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
3518 | call_list_body(cv); | |
3519 | #endif | |
971a9dd3 | 3520 | atsv = ERRSV; |
312caa8e CS |
3521 | (void)SvPV(atsv, len); |
3522 | if (len) { | |
971a9dd3 | 3523 | STRLEN n_a; |
312caa8e | 3524 | PL_curcop = &PL_compiling; |
57843af0 | 3525 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
3526 | if (paramList == PL_beginav) |
3527 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
3528 | else | |
4f25aa18 GS |
3529 | Perl_sv_catpvf(aTHX_ atsv, |
3530 | "%s failed--call queue aborted", | |
7d30b5c4 | 3531 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
3532 | : paramList == PL_initav ? "INIT" |
3533 | : "END"); | |
312caa8e CS |
3534 | while (PL_scopestack_ix > oldscope) |
3535 | LEAVE; | |
14dd3ad8 | 3536 | JMPENV_POP; |
971a9dd3 | 3537 | Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a)); |
a0d0e21e | 3538 | } |
85e6fe83 | 3539 | break; |
6224f72b | 3540 | case 1: |
f86702cc | 3541 | STATUS_ALL_FAILURE; |
85e6fe83 | 3542 | /* FALL THROUGH */ |
6224f72b | 3543 | case 2: |
85e6fe83 | 3544 | /* my_exit() was called */ |
3280af22 | 3545 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 3546 | LEAVE; |
84902520 | 3547 | FREETMPS; |
3280af22 | 3548 | PL_curstash = PL_defstash; |
3280af22 | 3549 | PL_curcop = &PL_compiling; |
57843af0 | 3550 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 3551 | JMPENV_POP; |
cc3604b1 | 3552 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 3553 | if (paramList == PL_beginav) |
cea2e8a9 | 3554 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 3555 | else |
4f25aa18 | 3556 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 3557 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
3558 | : paramList == PL_initav ? "INIT" |
3559 | : "END"); | |
85e6fe83 | 3560 | } |
f86702cc | 3561 | my_exit_jump(); |
85e6fe83 | 3562 | /* NOTREACHED */ |
6224f72b | 3563 | case 3: |
312caa8e CS |
3564 | if (PL_restartop) { |
3565 | PL_curcop = &PL_compiling; | |
57843af0 | 3566 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 3567 | JMPENV_JUMP(3); |
85e6fe83 | 3568 | } |
bf49b057 | 3569 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
3570 | FREETMPS; |
3571 | break; | |
8990e307 | 3572 | } |
14dd3ad8 | 3573 | JMPENV_POP; |
93a17b20 | 3574 | } |
93a17b20 | 3575 | } |
93a17b20 | 3576 | |
14dd3ad8 | 3577 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 3578 | STATIC void * |
14dd3ad8 | 3579 | S_vcall_list_body(pTHX_ va_list args) |
312caa8e | 3580 | { |
312caa8e | 3581 | CV *cv = va_arg(args, CV*); |
14dd3ad8 GS |
3582 | return call_list_body(cv); |
3583 | } | |
3584 | #endif | |
312caa8e | 3585 | |
14dd3ad8 GS |
3586 | STATIC void * |
3587 | S_call_list_body(pTHX_ CV *cv) | |
3588 | { | |
312caa8e | 3589 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 3590 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
3591 | return NULL; |
3592 | } | |
3593 | ||
f86702cc | 3594 | void |
864dbfa3 | 3595 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 3596 | { |
5dc0d613 MB |
3597 | dTHR; |
3598 | ||
8b73bbec | 3599 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 3600 | thr, (unsigned long) status)); |
f86702cc | 3601 | switch (status) { |
3602 | case 0: | |
3603 | STATUS_ALL_SUCCESS; | |
3604 | break; | |
3605 | case 1: | |
3606 | STATUS_ALL_FAILURE; | |
3607 | break; | |
3608 | default: | |
3609 | STATUS_NATIVE_SET(status); | |
3610 | break; | |
3611 | } | |
3612 | my_exit_jump(); | |
3613 | } | |
3614 | ||
3615 | void | |
864dbfa3 | 3616 | Perl_my_failure_exit(pTHX) |
f86702cc | 3617 | { |
3618 | #ifdef VMS | |
3619 | if (vaxc$errno & 1) { | |
4fdae800 | 3620 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
3621 | STATUS_NATIVE_SET(44); | |
f86702cc | 3622 | } |
3623 | else { | |
ff0cee69 | 3624 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 3625 | STATUS_NATIVE_SET(44); |
f86702cc | 3626 | else |
4fdae800 | 3627 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 3628 | } |
3629 | #else | |
9b599b2a | 3630 | int exitstatus; |
f86702cc | 3631 | if (errno & 255) |
3632 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
3633 | else { |
3634 | exitstatus = STATUS_POSIX >> 8; | |
3635 | if (exitstatus & 255) | |
3636 | STATUS_POSIX_SET(exitstatus); | |
3637 | else | |
3638 | STATUS_POSIX_SET(255); | |
3639 | } | |
f86702cc | 3640 | #endif |
3641 | my_exit_jump(); | |
93a17b20 LW |
3642 | } |
3643 | ||
76e3520e | 3644 | STATIC void |
cea2e8a9 | 3645 | S_my_exit_jump(pTHX) |
f86702cc | 3646 | { |
de616352 | 3647 | dTHR; |
c09156bb | 3648 | register PERL_CONTEXT *cx; |
f86702cc | 3649 | I32 gimme; |
3650 | SV **newsp; | |
3651 | ||
3280af22 NIS |
3652 | if (PL_e_script) { |
3653 | SvREFCNT_dec(PL_e_script); | |
3654 | PL_e_script = Nullsv; | |
f86702cc | 3655 | } |
3656 | ||
3280af22 | 3657 | POPSTACK_TO(PL_mainstack); |
f86702cc | 3658 | if (cxstack_ix >= 0) { |
3659 | if (cxstack_ix > 0) | |
3660 | dounwind(0); | |
3280af22 | 3661 | POPBLOCK(cx,PL_curpm); |
f86702cc | 3662 | LEAVE; |
3663 | } | |
ff0cee69 | 3664 | |
6224f72b | 3665 | JMPENV_JUMP(2); |
f86702cc | 3666 | } |
873ef191 | 3667 | |
7a5f8e82 | 3668 | #ifdef PERL_OBJECT |
873ef191 | 3669 | #include "XSUB.h" |
51371543 | 3670 | #endif |
873ef191 | 3671 | |
0cb96387 GS |
3672 | static I32 |
3673 | read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen) | |
873ef191 GS |
3674 | { |
3675 | char *p, *nl; | |
3280af22 | 3676 | p = SvPVX(PL_e_script); |
873ef191 | 3677 | nl = strchr(p, '\n'); |
3280af22 | 3678 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 3679 | if (nl-p == 0) { |
0cb96387 | 3680 | filter_del(read_e_script); |
873ef191 | 3681 | return 0; |
7dfe3f66 | 3682 | } |
873ef191 | 3683 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 3684 | sv_chop(PL_e_script, nl); |
873ef191 GS |
3685 | return 1; |
3686 | } |