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 GS |
49 | |
50 | #ifdef PERL_IMPLICIT_SYS | |
51 | PerlInterpreter * | |
7766f137 GS |
52 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
53 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
54 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
55 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
56 | struct IPerlProc* ipP) | |
57 | { | |
58 | PerlInterpreter *my_perl; | |
7766f137 GS |
59 | #ifdef PERL_OBJECT |
60 | my_perl = (PerlInterpreter*)new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd, | |
61 | ipLIO, ipD, ipS, ipP); | |
62 | PERL_SET_INTERP(my_perl); | |
63 | #else | |
32e30700 GS |
64 | /* New() needs interpreter, so call malloc() instead */ |
65 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
66 | PERL_SET_INTERP(my_perl); | |
67 | Zero(my_perl, 1, PerlInterpreter); | |
68 | PL_Mem = ipM; | |
7766f137 GS |
69 | PL_MemShared = ipMS; |
70 | PL_MemParse = ipMP; | |
32e30700 GS |
71 | PL_Env = ipE; |
72 | PL_StdIO = ipStd; | |
73 | PL_LIO = ipLIO; | |
74 | PL_Dir = ipD; | |
75 | PL_Sock = ipS; | |
76 | PL_Proc = ipP; | |
7766f137 GS |
77 | #endif |
78 | ||
32e30700 GS |
79 | return my_perl; |
80 | } | |
81 | #else | |
954c1994 GS |
82 | |
83 | /* | |
84 | =for apidoc perl_alloc | |
85 | ||
86 | Allocates a new Perl interpreter. See L<perlembed>. | |
87 | ||
88 | =cut | |
89 | */ | |
90 | ||
93a17b20 | 91 | PerlInterpreter * |
cea2e8a9 | 92 | perl_alloc(void) |
79072805 | 93 | { |
cea2e8a9 | 94 | PerlInterpreter *my_perl; |
79072805 | 95 | |
54aff467 | 96 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 97 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
c5be433b | 98 | PERL_SET_INTERP(my_perl); |
dedcbb81 | 99 | Zero(my_perl, 1, PerlInterpreter); |
cea2e8a9 | 100 | return my_perl; |
79072805 | 101 | } |
32e30700 | 102 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 103 | |
954c1994 GS |
104 | /* |
105 | =for apidoc perl_construct | |
106 | ||
107 | Initializes a new Perl interpreter. See L<perlembed>. | |
108 | ||
109 | =cut | |
110 | */ | |
111 | ||
79072805 | 112 | void |
0cb96387 | 113 | perl_construct(pTHXx) |
79072805 | 114 | { |
a863c7d1 MB |
115 | #ifdef USE_THREADS |
116 | int i; | |
117 | #ifndef FAKE_THREADS | |
e1f15930 | 118 | struct perl_thread *thr = NULL; |
a863c7d1 MB |
119 | #endif /* FAKE_THREADS */ |
120 | #endif /* USE_THREADS */ | |
11343788 | 121 | |
8990e307 | 122 | #ifdef MULTIPLICITY |
54aff467 GS |
123 | init_interp(); |
124 | PL_perl_destruct_level = 1; | |
125 | #else | |
126 | if (PL_perl_destruct_level > 0) | |
127 | init_interp(); | |
128 | #endif | |
129 | ||
33f46ff6 | 130 | /* Init the real globals (and main thread)? */ |
3280af22 | 131 | if (!PL_linestr) { |
33f46ff6 | 132 | INIT_THREADS; |
1feb2720 | 133 | #ifdef USE_THREADS |
d55594ae GS |
134 | #ifdef ALLOC_THREAD_KEY |
135 | ALLOC_THREAD_KEY; | |
136 | #else | |
533c011a | 137 | if (pthread_key_create(&PL_thr_key, 0)) |
cea2e8a9 | 138 | Perl_croak(aTHX_ "panic: pthread_key_create"); |
d55594ae | 139 | #endif |
533c011a | 140 | MUTEX_INIT(&PL_sv_mutex); |
a863c7d1 MB |
141 | /* |
142 | * Safe to use basic SV functions from now on (though | |
143 | * not things like mortals or tainting yet). | |
144 | */ | |
533c011a NIS |
145 | MUTEX_INIT(&PL_eval_mutex); |
146 | COND_INIT(&PL_eval_cond); | |
147 | MUTEX_INIT(&PL_threads_mutex); | |
148 | COND_INIT(&PL_nthreads_cond); | |
dce16143 | 149 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
533c011a | 150 | MUTEX_INIT(&PL_svref_mutex); |
dce16143 | 151 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 | 152 | |
5ff3f7a4 GS |
153 | MUTEX_INIT(&PL_cred_mutex); |
154 | ||
199100c8 | 155 | thr = init_main_thread(); |
11343788 MB |
156 | #endif /* USE_THREADS */ |
157 | ||
14dd3ad8 | 158 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
0b94c7bb | 159 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
14dd3ad8 | 160 | #endif |
312caa8e | 161 | |
2aea9f8a GS |
162 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
163 | ||
3280af22 NIS |
164 | PL_linestr = NEWSV(65,79); |
165 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 166 | |
3280af22 | 167 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
168 | /* set read-only and try to insure than we wont see REFCNT==0 |
169 | very often */ | |
170 | ||
3280af22 NIS |
171 | SvREADONLY_on(&PL_sv_undef); |
172 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 173 | |
3280af22 NIS |
174 | sv_setpv(&PL_sv_no,PL_No); |
175 | SvNV(&PL_sv_no); | |
176 | SvREADONLY_on(&PL_sv_no); | |
177 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 178 | |
3280af22 NIS |
179 | sv_setpv(&PL_sv_yes,PL_Yes); |
180 | SvNV(&PL_sv_yes); | |
181 | SvREADONLY_on(&PL_sv_yes); | |
182 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 183 | } |
79072805 | 184 | |
76e3520e GS |
185 | #ifdef PERL_OBJECT |
186 | /* TODO: */ | |
6b88bc9c | 187 | /* PL_sighandlerp = sighandler; */ |
76e3520e | 188 | #else |
cea2e8a9 | 189 | PL_sighandlerp = Perl_sighandler; |
76e3520e | 190 | #endif |
3280af22 | 191 | PL_pidstatus = newHV(); |
44a8e56a | 192 | |
79072805 LW |
193 | #ifdef MSDOS |
194 | /* | |
195 | * There is no way we can refer to them from Perl so close them to save | |
196 | * space. The other alternative would be to provide STDAUX and STDPRN | |
197 | * filehandles. | |
198 | */ | |
199 | (void)fclose(stdaux); | |
200 | (void)fclose(stdprn); | |
201 | #endif | |
202 | } | |
203 | ||
79cb57f6 | 204 | PL_nrs = newSVpvn("\n", 1); |
3280af22 | 205 | PL_rs = SvREFCNT_inc(PL_nrs); |
dc92893f | 206 | |
cea2e8a9 | 207 | init_stacks(); |
79072805 | 208 | |
748a9306 | 209 | init_ids(); |
3280af22 | 210 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 211 | |
312caa8e | 212 | JMPENV_BOOTSTRAP; |
f86702cc | 213 | STATUS_ALL_SUCCESS; |
214 | ||
0672f40e | 215 | init_i18nl10n(1); |
36477c24 | 216 | SET_NUMERIC_STANDARD(); |
0b5b802d | 217 | |
a7cb1f99 GS |
218 | { |
219 | U8 *s; | |
220 | PL_patchlevel = NEWSV(0,4); | |
221 | SvUPGRADE(PL_patchlevel, SVt_PVNV); | |
222 | if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127) | |
223 | SvGROW(PL_patchlevel,24); | |
224 | s = (U8*)SvPVX(PL_patchlevel); | |
225 | s = uv_to_utf8(s, (UV)PERL_REVISION); | |
226 | s = uv_to_utf8(s, (UV)PERL_VERSION); | |
227 | s = uv_to_utf8(s, (UV)PERL_SUBVERSION); | |
228 | *s = '\0'; | |
229 | SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel)); | |
230 | SvPOK_on(PL_patchlevel); | |
231 | SvNVX(PL_patchlevel) = (NV)PERL_REVISION | |
232 | + ((NV)PERL_VERSION / (NV)1000) | |
cceca5ed | 233 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
a7cb1f99 | 234 | + ((NV)PERL_SUBVERSION / (NV)1000000) |
a5f75d66 | 235 | #endif |
a7cb1f99 GS |
236 | ; |
237 | SvNOK_on(PL_patchlevel); /* dual valued */ | |
238 | SvUTF8_on(PL_patchlevel); | |
239 | SvREADONLY_on(PL_patchlevel); | |
240 | } | |
79072805 | 241 | |
ab821d7f | 242 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 243 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 244 | #endif |
245 | ||
4b556e6c | 246 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 247 | |
3280af22 NIS |
248 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
249 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 250 | |
8990e307 | 251 | ENTER; |
79072805 LW |
252 | } |
253 | ||
954c1994 GS |
254 | /* |
255 | =for apidoc perl_destruct | |
256 | ||
257 | Shuts down a Perl interpreter. See L<perlembed>. | |
258 | ||
259 | =cut | |
260 | */ | |
261 | ||
79072805 | 262 | void |
0cb96387 | 263 | perl_destruct(pTHXx) |
79072805 | 264 | { |
11343788 | 265 | dTHR; |
748a9306 | 266 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 267 | I32 last_sv_count; |
a0d0e21e | 268 | HV *hv; |
1f2bfc8a | 269 | #ifdef USE_THREADS |
33f46ff6 | 270 | Thread t; |
cea2e8a9 | 271 | dTHX; |
1f2bfc8a | 272 | #endif /* USE_THREADS */ |
8990e307 | 273 | |
7766f137 GS |
274 | /* wait for all pseudo-forked children to finish */ |
275 | PERL_WAIT_FOR_CHILDREN; | |
276 | ||
11343788 | 277 | #ifdef USE_THREADS |
0f15f207 | 278 | #ifndef FAKE_THREADS |
8023c3ce MB |
279 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
280 | retry_cleanup: | |
533c011a | 281 | MUTEX_LOCK(&PL_threads_mutex); |
bf49b057 | 282 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 283 | "perl_destruct: waiting for %d threads...\n", |
533c011a | 284 | PL_nthreads - 1)); |
33f46ff6 | 285 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 MB |
286 | MUTEX_LOCK(&t->mutex); |
287 | switch (ThrSTATE(t)) { | |
288 | AV *av; | |
c7848ba1 | 289 | case THRf_ZOMBIE: |
bf49b057 | 290 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 291 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 MB |
292 | ThrSETSTATE(t, THRf_DEAD); |
293 | MUTEX_UNLOCK(&t->mutex); | |
533c011a | 294 | PL_nthreads--; |
8023c3ce MB |
295 | /* |
296 | * The SvREFCNT_dec below may take a long time (e.g. av | |
297 | * may contain an object scalar whose destructor gets | |
298 | * called) so we have to unlock threads_mutex and start | |
299 | * all over again. | |
300 | */ | |
533c011a | 301 | MUTEX_UNLOCK(&PL_threads_mutex); |
ea0efc06 | 302 | JOIN(t, &av); |
605e5515 | 303 | SvREFCNT_dec((SV*)av); |
bf49b057 | 304 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 305 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce | 306 | goto retry_cleanup; |
c7848ba1 | 307 | case THRf_R_JOINABLE: |
bf49b057 | 308 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
309 | "perl_destruct: detaching thread %p\n", t)); |
310 | ThrSETSTATE(t, THRf_R_DETACHED); | |
311 | /* | |
312 | * We unlock threads_mutex and t->mutex in the opposite order | |
313 | * from which we locked them just so that DETACH won't | |
314 | * deadlock if it panics. It's only a breach of good style | |
315 | * not a bug since they are unlocks not locks. | |
316 | */ | |
533c011a | 317 | MUTEX_UNLOCK(&PL_threads_mutex); |
c7848ba1 MB |
318 | DETACH(t); |
319 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 320 | goto retry_cleanup; |
c7848ba1 | 321 | default: |
bf49b057 | 322 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
323 | "perl_destruct: ignoring %p (state %u)\n", |
324 | t, ThrSTATE(t))); | |
325 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 326 | /* fall through and out */ |
33f46ff6 MB |
327 | } |
328 | } | |
8023c3ce MB |
329 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
330 | ||
331 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
533c011a | 332 | while (PL_nthreads > 1) |
11343788 | 333 | { |
bf49b057 | 334 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 335 | "perl_destruct: final wait for %d threads\n", |
533c011a NIS |
336 | PL_nthreads - 1)); |
337 | COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex); | |
11343788 MB |
338 | } |
339 | /* At this point, we're the last thread */ | |
533c011a | 340 | MUTEX_UNLOCK(&PL_threads_mutex); |
bf49b057 | 341 | DEBUG_S(PerlIO_printf(Perl_debug_log, "perl_destruct: armageddon has arrived\n")); |
533c011a NIS |
342 | MUTEX_DESTROY(&PL_threads_mutex); |
343 | COND_DESTROY(&PL_nthreads_cond); | |
0f15f207 | 344 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
345 | #endif /* USE_THREADS */ |
346 | ||
3280af22 | 347 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
348 | #ifdef DEBUGGING |
349 | { | |
350 | char *s; | |
76e3520e | 351 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 352 | int i = atoi(s); |
353 | if (destruct_level < i) | |
354 | destruct_level = i; | |
355 | } | |
4633a7c4 LW |
356 | } |
357 | #endif | |
358 | ||
8990e307 | 359 | LEAVE; |
a0d0e21e LW |
360 | FREETMPS; |
361 | ||
ff0cee69 | 362 | /* We must account for everything. */ |
363 | ||
364 | /* Destroy the main CV and syntax tree */ | |
3280af22 NIS |
365 | if (PL_main_root) { |
366 | PL_curpad = AvARRAY(PL_comppad); | |
367 | op_free(PL_main_root); | |
368 | PL_main_root = Nullop; | |
a0d0e21e | 369 | } |
3280af22 NIS |
370 | PL_curcop = &PL_compiling; |
371 | PL_main_start = Nullop; | |
372 | SvREFCNT_dec(PL_main_cv); | |
373 | PL_main_cv = Nullcv; | |
24d3c518 | 374 | PL_dirty = TRUE; |
ff0cee69 | 375 | |
3280af22 | 376 | if (PL_sv_objcount) { |
a0d0e21e LW |
377 | /* |
378 | * Try to destruct global references. We do this first so that the | |
379 | * destructors and destructees still exist. Some sv's might remain. | |
380 | * Non-referenced objects are on their own. | |
381 | */ | |
a0d0e21e | 382 | sv_clean_objs(); |
8990e307 LW |
383 | } |
384 | ||
5cd24f17 | 385 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
386 | SvREFCNT_dec(PL_warnhook); |
387 | PL_warnhook = Nullsv; | |
388 | SvREFCNT_dec(PL_diehook); | |
389 | PL_diehook = Nullsv; | |
5cd24f17 | 390 | |
4b556e6c | 391 | /* call exit list functions */ |
3280af22 | 392 | while (PL_exitlistlen-- > 0) |
0cb96387 | 393 | PL_exitlist[PL_exitlistlen].fn(aTHXo_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 394 | |
3280af22 | 395 | Safefree(PL_exitlist); |
4b556e6c | 396 | |
a0d0e21e | 397 | if (destruct_level == 0){ |
8990e307 | 398 | |
a0d0e21e LW |
399 | DEBUG_P(debprofdump()); |
400 | ||
401 | /* The exit() function will do everything that needs doing. */ | |
402 | return; | |
403 | } | |
5dd60ef7 | 404 | |
5f05dabc | 405 | /* loosen bonds of global variables */ |
406 | ||
3280af22 NIS |
407 | if(PL_rsfp) { |
408 | (void)PerlIO_close(PL_rsfp); | |
409 | PL_rsfp = Nullfp; | |
8ebc5c01 | 410 | } |
411 | ||
412 | /* Filters for program text */ | |
3280af22 NIS |
413 | SvREFCNT_dec(PL_rsfp_filters); |
414 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 415 | |
416 | /* switches */ | |
3280af22 NIS |
417 | PL_preprocess = FALSE; |
418 | PL_minus_n = FALSE; | |
419 | PL_minus_p = FALSE; | |
420 | PL_minus_l = FALSE; | |
421 | PL_minus_a = FALSE; | |
422 | PL_minus_F = FALSE; | |
423 | PL_doswitches = FALSE; | |
599cee73 | 424 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
425 | PL_doextract = FALSE; |
426 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
427 | PL_unsafe = FALSE; |
428 | ||
429 | Safefree(PL_inplace); | |
430 | PL_inplace = Nullch; | |
a7cb1f99 | 431 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
432 | |
433 | if (PL_e_script) { | |
434 | SvREFCNT_dec(PL_e_script); | |
435 | PL_e_script = Nullsv; | |
8ebc5c01 | 436 | } |
437 | ||
438 | /* magical thingies */ | |
439 | ||
d33b2eba | 440 | Safefree(PL_ofs); /* $, */ |
3280af22 | 441 | PL_ofs = Nullch; |
5f05dabc | 442 | |
d33b2eba | 443 | Safefree(PL_ors); /* $\ */ |
3280af22 | 444 | PL_ors = Nullch; |
8ebc5c01 | 445 | |
3280af22 NIS |
446 | SvREFCNT_dec(PL_rs); /* $/ */ |
447 | PL_rs = Nullsv; | |
dc92893f | 448 | |
3280af22 NIS |
449 | SvREFCNT_dec(PL_nrs); /* $/ helper */ |
450 | PL_nrs = Nullsv; | |
5f05dabc | 451 | |
d33b2eba GS |
452 | PL_multiline = 0; /* $* */ |
453 | Safefree(PL_osname); /* $^O */ | |
454 | PL_osname = Nullch; | |
5f05dabc | 455 | |
3280af22 NIS |
456 | SvREFCNT_dec(PL_statname); |
457 | PL_statname = Nullsv; | |
458 | PL_statgv = Nullgv; | |
5f05dabc | 459 | |
8ebc5c01 | 460 | /* defgv, aka *_ should be taken care of elsewhere */ |
461 | ||
8ebc5c01 | 462 | /* clean up after study() */ |
3280af22 NIS |
463 | SvREFCNT_dec(PL_lastscream); |
464 | PL_lastscream = Nullsv; | |
465 | Safefree(PL_screamfirst); | |
466 | PL_screamfirst = 0; | |
467 | Safefree(PL_screamnext); | |
468 | PL_screamnext = 0; | |
8ebc5c01 | 469 | |
7d5ea4e7 GS |
470 | /* float buffer */ |
471 | Safefree(PL_efloatbuf); | |
472 | PL_efloatbuf = Nullch; | |
473 | PL_efloatsize = 0; | |
474 | ||
8ebc5c01 | 475 | /* startup and shutdown function lists */ |
3280af22 NIS |
476 | SvREFCNT_dec(PL_beginav); |
477 | SvREFCNT_dec(PL_endav); | |
7d30b5c4 | 478 | SvREFCNT_dec(PL_checkav); |
3280af22 NIS |
479 | SvREFCNT_dec(PL_initav); |
480 | PL_beginav = Nullav; | |
481 | PL_endav = Nullav; | |
7d30b5c4 | 482 | PL_checkav = Nullav; |
3280af22 | 483 | PL_initav = Nullav; |
5618dfe8 | 484 | |
8ebc5c01 | 485 | /* shortcuts just get cleared */ |
3280af22 | 486 | PL_envgv = Nullgv; |
3280af22 NIS |
487 | PL_incgv = Nullgv; |
488 | PL_hintgv = Nullgv; | |
489 | PL_errgv = Nullgv; | |
490 | PL_argvgv = Nullgv; | |
491 | PL_argvoutgv = Nullgv; | |
492 | PL_stdingv = Nullgv; | |
bf49b057 | 493 | PL_stderrgv = Nullgv; |
3280af22 NIS |
494 | PL_last_in_gv = Nullgv; |
495 | PL_replgv = Nullgv; | |
5c831c24 | 496 | PL_debstash = Nullhv; |
8ebc5c01 | 497 | |
498 | /* reset so print() ends up where we expect */ | |
499 | setdefout(Nullgv); | |
5c831c24 | 500 | |
7a1c5554 GS |
501 | SvREFCNT_dec(PL_argvout_stack); |
502 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 503 | |
5c831c24 GS |
504 | SvREFCNT_dec(PL_modglobal); |
505 | PL_modglobal = Nullhv; | |
506 | SvREFCNT_dec(PL_preambleav); | |
507 | PL_preambleav = Nullav; | |
508 | SvREFCNT_dec(PL_subname); | |
509 | PL_subname = Nullsv; | |
510 | SvREFCNT_dec(PL_linestr); | |
511 | PL_linestr = Nullsv; | |
512 | SvREFCNT_dec(PL_pidstatus); | |
513 | PL_pidstatus = Nullhv; | |
514 | SvREFCNT_dec(PL_toptarget); | |
515 | PL_toptarget = Nullsv; | |
516 | SvREFCNT_dec(PL_bodytarget); | |
517 | PL_bodytarget = Nullsv; | |
518 | PL_formtarget = Nullsv; | |
519 | ||
d33b2eba | 520 | /* free locale stuff */ |
b9582b6a | 521 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
522 | Safefree(PL_collation_name); |
523 | PL_collation_name = Nullch; | |
b9582b6a | 524 | #endif |
d33b2eba | 525 | |
b9582b6a | 526 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
527 | Safefree(PL_numeric_name); |
528 | PL_numeric_name = Nullch; | |
b9582b6a | 529 | #endif |
d33b2eba | 530 | |
5c831c24 GS |
531 | /* clear utf8 character classes */ |
532 | SvREFCNT_dec(PL_utf8_alnum); | |
533 | SvREFCNT_dec(PL_utf8_alnumc); | |
534 | SvREFCNT_dec(PL_utf8_ascii); | |
535 | SvREFCNT_dec(PL_utf8_alpha); | |
536 | SvREFCNT_dec(PL_utf8_space); | |
537 | SvREFCNT_dec(PL_utf8_cntrl); | |
538 | SvREFCNT_dec(PL_utf8_graph); | |
539 | SvREFCNT_dec(PL_utf8_digit); | |
540 | SvREFCNT_dec(PL_utf8_upper); | |
541 | SvREFCNT_dec(PL_utf8_lower); | |
542 | SvREFCNT_dec(PL_utf8_print); | |
543 | SvREFCNT_dec(PL_utf8_punct); | |
544 | SvREFCNT_dec(PL_utf8_xdigit); | |
545 | SvREFCNT_dec(PL_utf8_mark); | |
546 | SvREFCNT_dec(PL_utf8_toupper); | |
547 | SvREFCNT_dec(PL_utf8_tolower); | |
548 | PL_utf8_alnum = Nullsv; | |
549 | PL_utf8_alnumc = Nullsv; | |
550 | PL_utf8_ascii = Nullsv; | |
551 | PL_utf8_alpha = Nullsv; | |
552 | PL_utf8_space = Nullsv; | |
553 | PL_utf8_cntrl = Nullsv; | |
554 | PL_utf8_graph = Nullsv; | |
555 | PL_utf8_digit = Nullsv; | |
556 | PL_utf8_upper = Nullsv; | |
557 | PL_utf8_lower = Nullsv; | |
558 | PL_utf8_print = Nullsv; | |
559 | PL_utf8_punct = Nullsv; | |
560 | PL_utf8_xdigit = Nullsv; | |
561 | PL_utf8_mark = Nullsv; | |
562 | PL_utf8_toupper = Nullsv; | |
563 | PL_utf8_totitle = Nullsv; | |
564 | PL_utf8_tolower = Nullsv; | |
565 | ||
971a9dd3 GS |
566 | if (!specialWARN(PL_compiling.cop_warnings)) |
567 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 GS |
568 | PL_compiling.cop_warnings = Nullsv; |
569 | ||
a0d0e21e | 570 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 571 | |
3280af22 NIS |
572 | hv = PL_defstash; |
573 | PL_defstash = 0; | |
a0d0e21e | 574 | SvREFCNT_dec(hv); |
5c831c24 GS |
575 | SvREFCNT_dec(PL_curstname); |
576 | PL_curstname = Nullsv; | |
a0d0e21e | 577 | |
5a844595 GS |
578 | /* clear queued errors */ |
579 | SvREFCNT_dec(PL_errors); | |
580 | PL_errors = Nullsv; | |
581 | ||
a0d0e21e | 582 | FREETMPS; |
0453d815 | 583 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 584 | if (PL_scopestack_ix != 0) |
0453d815 PM |
585 | Perl_warner(aTHX_ WARN_INTERNAL, |
586 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
3280af22 NIS |
587 | (long)PL_scopestack_ix); |
588 | if (PL_savestack_ix != 0) | |
0453d815 PM |
589 | Perl_warner(aTHX_ WARN_INTERNAL, |
590 | "Unbalanced saves: %ld more saves than restores\n", | |
3280af22 NIS |
591 | (long)PL_savestack_ix); |
592 | if (PL_tmps_floor != -1) | |
0453d815 | 593 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 594 | (long)PL_tmps_floor + 1); |
a0d0e21e | 595 | if (cxstack_ix != -1) |
0453d815 | 596 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 597 | (long)cxstack_ix + 1); |
a0d0e21e | 598 | } |
8990e307 LW |
599 | |
600 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 601 | last_sv_count = 0; |
d33b2eba | 602 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 NIS |
603 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
604 | while (PL_sv_count != 0 && PL_sv_count != last_sv_count) { | |
605 | last_sv_count = PL_sv_count; | |
8990e307 LW |
606 | sv_clean_all(); |
607 | } | |
d33b2eba GS |
608 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
609 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
610 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
611 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 612 | |
d4777f27 GS |
613 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
614 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
615 | PL_fdpid = Nullav; |
616 | ||
6e72f9df | 617 | /* Destruct the global string table. */ |
618 | { | |
619 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
620 | * so that sv_free() won't fail on them. | |
621 | */ | |
622 | I32 riter; | |
623 | I32 max; | |
624 | HE *hent; | |
625 | HE **array; | |
626 | ||
627 | riter = 0; | |
3280af22 NIS |
628 | max = HvMAX(PL_strtab); |
629 | array = HvARRAY(PL_strtab); | |
6e72f9df | 630 | hent = array[0]; |
631 | for (;;) { | |
0453d815 PM |
632 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
633 | Perl_warner(aTHX_ WARN_INTERNAL, | |
634 | "Unbalanced string table refcount: (%d) for \"%s\"", | |
6e72f9df | 635 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
636 | HeVAL(hent) = Nullsv; | |
637 | hent = HeNEXT(hent); | |
638 | } | |
639 | if (!hent) { | |
640 | if (++riter > max) | |
641 | break; | |
642 | hent = array[riter]; | |
643 | } | |
644 | } | |
645 | } | |
3280af22 | 646 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 647 | |
d33b2eba GS |
648 | /* free special SVs */ |
649 | ||
650 | SvREFCNT(&PL_sv_yes) = 0; | |
651 | sv_clear(&PL_sv_yes); | |
652 | SvANY(&PL_sv_yes) = NULL; | |
653 | ||
654 | SvREFCNT(&PL_sv_no) = 0; | |
655 | sv_clear(&PL_sv_no); | |
656 | SvANY(&PL_sv_no) = NULL; | |
657 | ||
0453d815 PM |
658 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
659 | Perl_warner(aTHX_ WARN_INTERNAL,"Scalars leaked: %ld\n", (long)PL_sv_count); | |
6e72f9df | 660 | |
4633a7c4 | 661 | sv_free_arenas(); |
44a8e56a | 662 | |
663 | /* No SVs have survived, need to clean out */ | |
3280af22 | 664 | Safefree(PL_origfilename); |
3280af22 | 665 | Safefree(PL_reg_start_tmp); |
5c5e4c24 IZ |
666 | if (PL_reg_curpm) |
667 | Safefree(PL_reg_curpm); | |
82ba1be6 | 668 | Safefree(PL_reg_poscache); |
3280af22 NIS |
669 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); |
670 | Safefree(PL_op_mask); | |
6e72f9df | 671 | nuke_stacks(); |
3280af22 | 672 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
673 | |
674 | DEBUG_P(debprofdump()); | |
11343788 | 675 | #ifdef USE_THREADS |
5f08fbcd | 676 | MUTEX_DESTROY(&PL_strtab_mutex); |
533c011a NIS |
677 | MUTEX_DESTROY(&PL_sv_mutex); |
678 | MUTEX_DESTROY(&PL_eval_mutex); | |
5ff3f7a4 | 679 | MUTEX_DESTROY(&PL_cred_mutex); |
533c011a | 680 | COND_DESTROY(&PL_eval_cond); |
11d617a5 GS |
681 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
682 | MUTEX_DESTROY(&PL_svref_mutex); | |
683 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
fc36a67e | 684 | |
8023c3ce | 685 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
533c011a NIS |
686 | Safefree(SvPVX(PL_thrsv)); |
687 | Safefree(SvANY(PL_thrsv)); | |
688 | Safefree(PL_thrsv); | |
689 | PL_thrsv = Nullsv; | |
8023c3ce | 690 | #endif /* USE_THREADS */ |
d33b2eba | 691 | |
fc36a67e | 692 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
693 | ||
3280af22 | 694 | if (PL_mess_sv) { |
9c63abab GS |
695 | /* it could have accumulated taint magic */ |
696 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
697 | MAGIC* mg; | |
698 | MAGIC* moremagic; | |
699 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
700 | moremagic = mg->mg_moremagic; | |
701 | if (mg->mg_ptr && mg->mg_type != 'g' && mg->mg_len >= 0) | |
702 | Safefree(mg->mg_ptr); | |
703 | Safefree(mg); | |
704 | } | |
705 | } | |
fc36a67e | 706 | /* we know that type >= SVt_PV */ |
3280af22 NIS |
707 | SvOOK_off(PL_mess_sv); |
708 | Safefree(SvPVX(PL_mess_sv)); | |
709 | Safefree(SvANY(PL_mess_sv)); | |
710 | Safefree(PL_mess_sv); | |
711 | PL_mess_sv = Nullsv; | |
fc36a67e | 712 | } |
79072805 LW |
713 | } |
714 | ||
954c1994 GS |
715 | /* |
716 | =for apidoc perl_free | |
717 | ||
718 | Releases a Perl interpreter. See L<perlembed>. | |
719 | ||
720 | =cut | |
721 | */ | |
722 | ||
79072805 | 723 | void |
0cb96387 | 724 | perl_free(pTHXx) |
79072805 | 725 | { |
c5be433b | 726 | #if defined(PERL_OBJECT) |
7f0d82f7 | 727 | PerlMem_free(this); |
76e3520e | 728 | #else |
7f0d82f7 | 729 | PerlMem_free(aTHXx); |
76e3520e | 730 | #endif |
79072805 LW |
731 | } |
732 | ||
4b556e6c | 733 | void |
864dbfa3 | 734 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 735 | { |
3280af22 NIS |
736 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
737 | PL_exitlist[PL_exitlistlen].fn = fn; | |
738 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
739 | ++PL_exitlistlen; | |
4b556e6c JD |
740 | } |
741 | ||
954c1994 GS |
742 | /* |
743 | =for apidoc perl_parse | |
744 | ||
745 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
746 | ||
747 | =cut | |
748 | */ | |
749 | ||
79072805 | 750 | int |
0cb96387 | 751 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 752 | { |
11343788 | 753 | dTHR; |
6224f72b | 754 | I32 oldscope; |
6224f72b | 755 | int ret; |
db36c5a1 | 756 | dJMPENV; |
cea2e8a9 GS |
757 | #ifdef USE_THREADS |
758 | dTHX; | |
759 | #endif | |
8d063cd8 | 760 | |
a687059c LW |
761 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
762 | #ifdef IAMSUID | |
763 | #undef IAMSUID | |
cea2e8a9 | 764 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
765 | setuid perl scripts securely.\n"); |
766 | #endif | |
767 | #endif | |
768 | ||
8f1f23e8 | 769 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
6e72f9df | 770 | _dyld_lookup_and_bind |
771 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
772 | #endif /* environ */ | |
773 | ||
3280af22 NIS |
774 | PL_origargv = argv; |
775 | PL_origargc = argc; | |
a0d0e21e | 776 | #ifndef VMS /* VMS doesn't have environ array */ |
3280af22 | 777 | PL_origenviron = environ; |
a0d0e21e LW |
778 | #endif |
779 | ||
3280af22 | 780 | if (PL_do_undump) { |
a0d0e21e LW |
781 | |
782 | /* Come here if running an undumped a.out. */ | |
783 | ||
3280af22 NIS |
784 | PL_origfilename = savepv(argv[0]); |
785 | PL_do_undump = FALSE; | |
a0d0e21e | 786 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 787 | init_ids(); |
a0d0e21e LW |
788 | init_postdump_symbols(argc,argv,env); |
789 | return 0; | |
790 | } | |
791 | ||
3280af22 NIS |
792 | if (PL_main_root) { |
793 | PL_curpad = AvARRAY(PL_comppad); | |
794 | op_free(PL_main_root); | |
795 | PL_main_root = Nullop; | |
ff0cee69 | 796 | } |
3280af22 NIS |
797 | PL_main_start = Nullop; |
798 | SvREFCNT_dec(PL_main_cv); | |
799 | PL_main_cv = Nullcv; | |
79072805 | 800 | |
3280af22 NIS |
801 | time(&PL_basetime); |
802 | oldscope = PL_scopestack_ix; | |
599cee73 | 803 | PL_dowarn = G_WARN_OFF; |
f86702cc | 804 | |
14dd3ad8 GS |
805 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
806 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
807 | #else | |
808 | JMPENV_PUSH(ret); | |
809 | #endif | |
6224f72b | 810 | switch (ret) { |
312caa8e | 811 | case 0: |
14dd3ad8 GS |
812 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
813 | parse_body(env,xsinit); | |
814 | #endif | |
7d30b5c4 GS |
815 | if (PL_checkav) |
816 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
817 | ret = 0; |
818 | break; | |
6224f72b GS |
819 | case 1: |
820 | STATUS_ALL_FAILURE; | |
821 | /* FALL THROUGH */ | |
822 | case 2: | |
823 | /* my_exit() was called */ | |
3280af22 | 824 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
825 | LEAVE; |
826 | FREETMPS; | |
3280af22 | 827 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
828 | if (PL_checkav) |
829 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
830 | ret = STATUS_NATIVE_EXPORT; |
831 | break; | |
6224f72b | 832 | case 3: |
bf49b057 | 833 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
834 | ret = 1; |
835 | break; | |
6224f72b | 836 | } |
14dd3ad8 GS |
837 | JMPENV_POP; |
838 | return ret; | |
839 | } | |
840 | ||
841 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
842 | STATIC void * | |
843 | S_vparse_body(pTHX_ va_list args) | |
844 | { | |
845 | char **env = va_arg(args, char**); | |
846 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
847 | ||
848 | return parse_body(env, xsinit); | |
312caa8e | 849 | } |
14dd3ad8 | 850 | #endif |
312caa8e CS |
851 | |
852 | STATIC void * | |
14dd3ad8 | 853 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e CS |
854 | { |
855 | dTHR; | |
856 | int argc = PL_origargc; | |
857 | char **argv = PL_origargv; | |
312caa8e CS |
858 | char *scriptname = NULL; |
859 | int fdscript = -1; | |
860 | VOL bool dosearch = FALSE; | |
861 | char *validarg = ""; | |
862 | AV* comppadlist; | |
863 | register SV *sv; | |
864 | register char *s; | |
f4c556ac | 865 | char *cddir = Nullch; |
312caa8e | 866 | |
3280af22 | 867 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 868 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
869 | SAVEFREESV(sv); |
870 | init_main_stash(); | |
54310121 | 871 | |
6224f72b GS |
872 | for (argc--,argv++; argc > 0; argc--,argv++) { |
873 | if (argv[0][0] != '-' || !argv[0][1]) | |
874 | break; | |
875 | #ifdef DOSUID | |
876 | if (*validarg) | |
877 | validarg = " PHOOEY "; | |
878 | else | |
879 | validarg = argv[0]; | |
13281fa4 | 880 | #endif |
6224f72b GS |
881 | s = argv[0]+1; |
882 | reswitch: | |
883 | switch (*s) { | |
1d5472a9 GS |
884 | #ifndef PERL_STRICT_CR |
885 | case '\r': | |
886 | #endif | |
6224f72b GS |
887 | case ' ': |
888 | case '0': | |
46487f74 | 889 | case 'C': |
6224f72b GS |
890 | case 'F': |
891 | case 'a': | |
892 | case 'c': | |
893 | case 'd': | |
894 | case 'D': | |
895 | case 'h': | |
896 | case 'i': | |
897 | case 'l': | |
898 | case 'M': | |
899 | case 'm': | |
900 | case 'n': | |
901 | case 'p': | |
902 | case 's': | |
903 | case 'u': | |
904 | case 'U': | |
905 | case 'v': | |
599cee73 PM |
906 | case 'W': |
907 | case 'X': | |
6224f72b GS |
908 | case 'w': |
909 | if (s = moreswitches(s)) | |
910 | goto reswitch; | |
911 | break; | |
33b78306 | 912 | |
6224f72b | 913 | case 'T': |
3280af22 | 914 | PL_tainting = TRUE; |
6224f72b GS |
915 | s++; |
916 | goto reswitch; | |
f86702cc | 917 | |
6224f72b | 918 | case 'e': |
3280af22 | 919 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 920 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 921 | if (!PL_e_script) { |
79cb57f6 | 922 | PL_e_script = newSVpvn("",0); |
0cb96387 | 923 | filter_add(read_e_script, NULL); |
6224f72b GS |
924 | } |
925 | if (*++s) | |
3280af22 | 926 | sv_catpv(PL_e_script, s); |
6224f72b | 927 | else if (argv[1]) { |
3280af22 | 928 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
929 | argc--,argv++; |
930 | } | |
931 | else | |
cea2e8a9 | 932 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 933 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 934 | break; |
afe37c7d | 935 | |
6224f72b GS |
936 | case 'I': /* -I handled both here and in moreswitches() */ |
937 | forbid_setid("-I"); | |
938 | if (!*++s && (s=argv[1]) != Nullch) { | |
939 | argc--,argv++; | |
940 | } | |
6224f72b | 941 | if (s && *s) { |
0df16ed7 GS |
942 | char *p; |
943 | STRLEN len = strlen(s); | |
944 | p = savepvn(s, len); | |
6224f72b | 945 | incpush(p, TRUE); |
0df16ed7 GS |
946 | sv_catpvn(sv, "-I", 2); |
947 | sv_catpvn(sv, p, len); | |
948 | sv_catpvn(sv, " ", 1); | |
6224f72b | 949 | Safefree(p); |
0df16ed7 GS |
950 | } |
951 | else | |
a67e862a | 952 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
953 | break; |
954 | case 'P': | |
955 | forbid_setid("-P"); | |
3280af22 | 956 | PL_preprocess = TRUE; |
6224f72b GS |
957 | s++; |
958 | goto reswitch; | |
959 | case 'S': | |
960 | forbid_setid("-S"); | |
961 | dosearch = TRUE; | |
962 | s++; | |
963 | goto reswitch; | |
964 | case 'V': | |
3280af22 NIS |
965 | if (!PL_preambleav) |
966 | PL_preambleav = newAV(); | |
967 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 968 | if (*++s != ':') { |
3280af22 | 969 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 970 | #ifdef VMS |
6b88bc9c | 971 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 972 | #else |
3280af22 | 973 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 974 | #endif |
3280af22 | 975 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 976 | # ifdef DEBUGGING |
3280af22 | 977 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 978 | # endif |
6224f72b | 979 | # ifdef MULTIPLICITY |
8f872242 | 980 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 981 | # endif |
b363f7ed GS |
982 | # ifdef USE_THREADS |
983 | sv_catpv(PL_Sv," USE_THREADS"); | |
984 | # endif | |
ac5e8965 JH |
985 | # ifdef USE_ITHREADS |
986 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
987 | # endif | |
988 | # ifdef USE_64_BITS | |
989 | sv_catpv(PL_Sv," USE_64_BITS"); | |
990 | # endif | |
991 | # ifdef USE_LONG_DOUBLE | |
992 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
993 | # endif | |
53430762 JH |
994 | # ifdef USE_LARGE_FILES |
995 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
996 | # endif | |
ac5e8965 JH |
997 | # ifdef USE_SOCKS |
998 | sv_catpv(PL_Sv," USE_SOCKS"); | |
999 | # endif | |
b363f7ed GS |
1000 | # ifdef PERL_OBJECT |
1001 | sv_catpv(PL_Sv," PERL_OBJECT"); | |
1002 | # endif | |
1003 | # ifdef PERL_IMPLICIT_CONTEXT | |
1004 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1005 | # endif | |
1006 | # ifdef PERL_IMPLICIT_SYS | |
1007 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1008 | # endif | |
3280af22 | 1009 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1010 | |
6224f72b GS |
1011 | #if defined(LOCAL_PATCH_COUNT) |
1012 | if (LOCAL_PATCH_COUNT > 0) { | |
1013 | int i; | |
3280af22 | 1014 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1015 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1016 | if (PL_localpatches[i]) |
cea2e8a9 | 1017 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1018 | } |
1019 | } | |
1020 | #endif | |
cea2e8a9 | 1021 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1022 | #ifdef __DATE__ |
1023 | # ifdef __TIME__ | |
cea2e8a9 | 1024 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1025 | # else |
cea2e8a9 | 1026 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1027 | # endif |
1028 | #endif | |
3280af22 | 1029 | sv_catpv(PL_Sv, "; \ |
6224f72b GS |
1030 | $\"=\"\\n \"; \ |
1031 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
1032 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
1033 | print \" \\@INC:\\n @INC\\n\";"); | |
1034 | } | |
1035 | else { | |
3280af22 NIS |
1036 | PL_Sv = newSVpv("config_vars(qw(",0); |
1037 | sv_catpv(PL_Sv, ++s); | |
1038 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1039 | s += strlen(s); |
1040 | } | |
3280af22 | 1041 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1042 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1043 | goto reswitch; | |
1044 | case 'x': | |
3280af22 | 1045 | PL_doextract = TRUE; |
6224f72b GS |
1046 | s++; |
1047 | if (*s) | |
f4c556ac | 1048 | cddir = s; |
6224f72b GS |
1049 | break; |
1050 | case 0: | |
1051 | break; | |
1052 | case '-': | |
1053 | if (!*++s || isSPACE(*s)) { | |
1054 | argc--,argv++; | |
1055 | goto switch_end; | |
1056 | } | |
1057 | /* catch use of gnu style long options */ | |
1058 | if (strEQ(s, "version")) { | |
1059 | s = "v"; | |
1060 | goto reswitch; | |
1061 | } | |
1062 | if (strEQ(s, "help")) { | |
1063 | s = "h"; | |
1064 | goto reswitch; | |
1065 | } | |
1066 | s--; | |
1067 | /* FALL THROUGH */ | |
1068 | default: | |
cea2e8a9 | 1069 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1070 | } |
1071 | } | |
6224f72b | 1072 | switch_end: |
54310121 | 1073 | |
f675dbe5 CB |
1074 | if ( |
1075 | #ifndef SECURE_INTERNAL_GETENV | |
1076 | !PL_tainting && | |
1077 | #endif | |
0df16ed7 GS |
1078 | (s = PerlEnv_getenv("PERL5OPT"))) |
1079 | { | |
74288ac8 GS |
1080 | while (isSPACE(*s)) |
1081 | s++; | |
1082 | if (*s == '-' && *(s+1) == 'T') | |
1083 | PL_tainting = TRUE; | |
1084 | else { | |
1085 | while (s && *s) { | |
1086 | while (isSPACE(*s)) | |
1087 | s++; | |
1088 | if (*s == '-') { | |
1089 | s++; | |
1090 | if (isSPACE(*s)) | |
1091 | continue; | |
1092 | } | |
1093 | if (!*s) | |
1094 | break; | |
1095 | if (!strchr("DIMUdmw", *s)) | |
cea2e8a9 | 1096 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
74288ac8 | 1097 | s = moreswitches(s); |
6224f72b | 1098 | } |
6224f72b GS |
1099 | } |
1100 | } | |
a0d0e21e | 1101 | |
6224f72b GS |
1102 | if (!scriptname) |
1103 | scriptname = argv[0]; | |
3280af22 | 1104 | if (PL_e_script) { |
6224f72b GS |
1105 | argc++,argv--; |
1106 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1107 | } | |
1108 | else if (scriptname == Nullch) { | |
1109 | #ifdef MSDOS | |
1110 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1111 | moreswitches("h"); | |
1112 | #endif | |
1113 | scriptname = "-"; | |
1114 | } | |
1115 | ||
1116 | init_perllib(); | |
1117 | ||
1118 | open_script(scriptname,dosearch,sv,&fdscript); | |
1119 | ||
1120 | validate_suid(validarg, scriptname,fdscript); | |
1121 | ||
0b5b802d GS |
1122 | #if defined(SIGCHLD) || defined(SIGCLD) |
1123 | { | |
1124 | #ifndef SIGCHLD | |
1125 | # define SIGCHLD SIGCLD | |
1126 | #endif | |
1127 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1128 | if (sigstate == SIG_IGN) { | |
1129 | if (ckWARN(WARN_SIGNAL)) | |
1130 | Perl_warner(aTHX_ WARN_SIGNAL, | |
1131 | "Can't ignore signal CHLD, forcing to default"); | |
1132 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1133 | } | |
1134 | } | |
1135 | #endif | |
1136 | ||
f4c556ac | 1137 | if (PL_doextract) { |
6224f72b | 1138 | find_beginning(); |
f4c556ac GS |
1139 | if (cddir && PerlDir_chdir(cddir) < 0) |
1140 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1141 | ||
1142 | } | |
6224f72b | 1143 | |
3280af22 NIS |
1144 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1145 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1146 | CvUNIQUE_on(PL_compcv); | |
1147 | ||
1148 | PL_comppad = newAV(); | |
1149 | av_push(PL_comppad, Nullsv); | |
1150 | PL_curpad = AvARRAY(PL_comppad); | |
1151 | PL_comppad_name = newAV(); | |
1152 | PL_comppad_name_fill = 0; | |
1153 | PL_min_intro_pending = 0; | |
1154 | PL_padix = 0; | |
6224f72b | 1155 | #ifdef USE_THREADS |
79cb57f6 | 1156 | av_store(PL_comppad_name, 0, newSVpvn("@_", 2)); |
533c011a NIS |
1157 | PL_curpad[0] = (SV*)newAV(); |
1158 | SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ | |
1159 | CvOWNER(PL_compcv) = 0; | |
1160 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1161 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
6224f72b GS |
1162 | #endif /* USE_THREADS */ |
1163 | ||
1164 | comppadlist = newAV(); | |
1165 | AvREAL_off(comppadlist); | |
3280af22 NIS |
1166 | av_store(comppadlist, 0, (SV*)PL_comppad_name); |
1167 | av_store(comppadlist, 1, (SV*)PL_comppad); | |
1168 | CvPADLIST(PL_compcv) = comppadlist; | |
6224f72b GS |
1169 | |
1170 | boot_core_UNIVERSAL(); | |
9a34ef1d | 1171 | #ifndef PERL_MICRO |
09bef843 | 1172 | boot_core_xsutils(); |
9a34ef1d | 1173 | #endif |
6224f72b GS |
1174 | |
1175 | if (xsinit) | |
0cb96387 | 1176 | (*xsinit)(aTHXo); /* in case linked C routines want magical variables */ |
5db16f6a | 1177 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) |
c5be433b | 1178 | init_os_extras(); |
6224f72b GS |
1179 | #endif |
1180 | ||
29209bc5 JH |
1181 | #ifdef USE_SOCKS |
1182 | SOCKSinit(argv[0]); | |
1183 | #endif | |
1184 | ||
6224f72b GS |
1185 | init_predump_symbols(); |
1186 | /* init_postdump_symbols not currently designed to be called */ | |
1187 | /* more than once (ENV isn't cleared first, for example) */ | |
1188 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1189 | if (!PL_do_undump) |
6224f72b GS |
1190 | init_postdump_symbols(argc,argv,env); |
1191 | ||
1192 | init_lexer(); | |
1193 | ||
1194 | /* now parse the script */ | |
1195 | ||
1196 | SETERRNO(0,SS$_NORMAL); | |
3280af22 NIS |
1197 | PL_error_count = 0; |
1198 | if (yyparse() || PL_error_count) { | |
1199 | if (PL_minus_c) | |
cea2e8a9 | 1200 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1201 | else { |
cea2e8a9 | 1202 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1203 | PL_origfilename); |
6224f72b GS |
1204 | } |
1205 | } | |
57843af0 | 1206 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1207 | PL_curstash = PL_defstash; |
1208 | PL_preprocess = FALSE; | |
1209 | if (PL_e_script) { | |
1210 | SvREFCNT_dec(PL_e_script); | |
1211 | PL_e_script = Nullsv; | |
6224f72b GS |
1212 | } |
1213 | ||
1214 | /* now that script is parsed, we can modify record separator */ | |
3280af22 NIS |
1215 | SvREFCNT_dec(PL_rs); |
1216 | PL_rs = SvREFCNT_inc(PL_nrs); | |
864dbfa3 | 1217 | sv_setsv(get_sv("/", TRUE), PL_rs); |
3280af22 | 1218 | if (PL_do_undump) |
6224f72b GS |
1219 | my_unexec(); |
1220 | ||
57843af0 GS |
1221 | if (isWARN_ONCE) { |
1222 | SAVECOPFILE(PL_curcop); | |
1223 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1224 | gv_check(PL_defstash); |
57843af0 | 1225 | } |
6224f72b GS |
1226 | |
1227 | LEAVE; | |
1228 | FREETMPS; | |
1229 | ||
1230 | #ifdef MYMALLOC | |
1231 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1232 | dump_mstats("after compilation:"); | |
1233 | #endif | |
1234 | ||
1235 | ENTER; | |
3280af22 | 1236 | PL_restartop = 0; |
312caa8e | 1237 | return NULL; |
6224f72b GS |
1238 | } |
1239 | ||
954c1994 GS |
1240 | /* |
1241 | =for apidoc perl_run | |
1242 | ||
1243 | Tells a Perl interpreter to run. See L<perlembed>. | |
1244 | ||
1245 | =cut | |
1246 | */ | |
1247 | ||
6224f72b | 1248 | int |
0cb96387 | 1249 | perl_run(pTHXx) |
6224f72b | 1250 | { |
de616352 | 1251 | dTHR; |
6224f72b | 1252 | I32 oldscope; |
14dd3ad8 | 1253 | int ret = 0; |
db36c5a1 | 1254 | dJMPENV; |
cea2e8a9 GS |
1255 | #ifdef USE_THREADS |
1256 | dTHX; | |
1257 | #endif | |
6224f72b | 1258 | |
3280af22 | 1259 | oldscope = PL_scopestack_ix; |
6224f72b | 1260 | |
14dd3ad8 | 1261 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1262 | redo_body: |
14dd3ad8 GS |
1263 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1264 | #else | |
1265 | JMPENV_PUSH(ret); | |
1266 | #endif | |
6224f72b GS |
1267 | switch (ret) { |
1268 | case 1: | |
1269 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1270 | goto redo_body; |
14dd3ad8 GS |
1271 | case 0: /* normal completion */ |
1272 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1273 | redo_body: | |
1274 | run_body(oldscope); | |
1275 | #endif | |
1276 | /* FALL THROUGH */ | |
1277 | case 2: /* my_exit() */ | |
3280af22 | 1278 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1279 | LEAVE; |
1280 | FREETMPS; | |
3280af22 | 1281 | PL_curstash = PL_defstash; |
865be832 | 1282 | if (PL_endav && !PL_minus_c) |
3280af22 | 1283 | call_list(oldscope, PL_endav); |
6224f72b GS |
1284 | #ifdef MYMALLOC |
1285 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1286 | dump_mstats("after execution: "); | |
1287 | #endif | |
14dd3ad8 GS |
1288 | ret = STATUS_NATIVE_EXPORT; |
1289 | break; | |
6224f72b | 1290 | case 3: |
312caa8e CS |
1291 | if (PL_restartop) { |
1292 | POPSTACK_TO(PL_mainstack); | |
1293 | goto redo_body; | |
6224f72b | 1294 | } |
bf49b057 | 1295 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1296 | FREETMPS; |
14dd3ad8 GS |
1297 | ret = 1; |
1298 | break; | |
6224f72b GS |
1299 | } |
1300 | ||
14dd3ad8 GS |
1301 | JMPENV_POP; |
1302 | return ret; | |
312caa8e CS |
1303 | } |
1304 | ||
14dd3ad8 | 1305 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1306 | STATIC void * |
14dd3ad8 | 1307 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1308 | { |
312caa8e CS |
1309 | I32 oldscope = va_arg(args, I32); |
1310 | ||
14dd3ad8 GS |
1311 | return run_body(oldscope); |
1312 | } | |
1313 | #endif | |
1314 | ||
1315 | ||
1316 | STATIC void * | |
1317 | S_run_body(pTHX_ I32 oldscope) | |
1318 | { | |
1319 | dTHR; | |
1320 | ||
6224f72b | 1321 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1322 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1323 | |
3280af22 | 1324 | if (!PL_restartop) { |
6224f72b GS |
1325 | DEBUG_x(dump_all()); |
1326 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1327 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1328 | PTR2UV(thr))); | |
6224f72b | 1329 | |
3280af22 | 1330 | if (PL_minus_c) { |
bf49b057 | 1331 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
1332 | my_exit(0); |
1333 | } | |
3280af22 | 1334 | if (PERLDB_SINGLE && PL_DBsingle) |
312caa8e | 1335 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1336 | if (PL_initav) |
1337 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1338 | } |
1339 | ||
1340 | /* do it */ | |
1341 | ||
3280af22 | 1342 | if (PL_restartop) { |
533c011a | 1343 | PL_op = PL_restartop; |
3280af22 | 1344 | PL_restartop = 0; |
cea2e8a9 | 1345 | CALLRUNOPS(aTHX); |
6224f72b | 1346 | } |
3280af22 NIS |
1347 | else if (PL_main_start) { |
1348 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1349 | PL_op = PL_main_start; |
cea2e8a9 | 1350 | CALLRUNOPS(aTHX); |
6224f72b GS |
1351 | } |
1352 | ||
f6b3007c JH |
1353 | my_exit(0); |
1354 | /* NOTREACHED */ | |
312caa8e | 1355 | return NULL; |
6224f72b GS |
1356 | } |
1357 | ||
954c1994 GS |
1358 | /* |
1359 | =for apidoc p||get_sv | |
1360 | ||
1361 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1362 | Perl variable does not exist then it will be created. If C<create> is not | |
1363 | set and the variable does not exist then NULL is returned. | |
1364 | ||
1365 | =cut | |
1366 | */ | |
1367 | ||
6224f72b | 1368 | SV* |
864dbfa3 | 1369 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1370 | { |
1371 | GV *gv; | |
1372 | #ifdef USE_THREADS | |
1373 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
1374 | PADOFFSET tmp = find_threadsv(name); | |
1375 | if (tmp != NOT_IN_PAD) { | |
1376 | dTHR; | |
1377 | return THREADSV(tmp); | |
1378 | } | |
1379 | } | |
1380 | #endif /* USE_THREADS */ | |
1381 | gv = gv_fetchpv(name, create, SVt_PV); | |
1382 | if (gv) | |
1383 | return GvSV(gv); | |
1384 | return Nullsv; | |
1385 | } | |
1386 | ||
954c1994 GS |
1387 | /* |
1388 | =for apidoc p||get_av | |
1389 | ||
1390 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1391 | Perl variable does not exist then it will be created. If C<create> is not | |
1392 | set and the variable does not exist then NULL is returned. | |
1393 | ||
1394 | =cut | |
1395 | */ | |
1396 | ||
6224f72b | 1397 | AV* |
864dbfa3 | 1398 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1399 | { |
1400 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1401 | if (create) | |
1402 | return GvAVn(gv); | |
1403 | if (gv) | |
1404 | return GvAV(gv); | |
1405 | return Nullav; | |
1406 | } | |
1407 | ||
954c1994 GS |
1408 | /* |
1409 | =for apidoc p||get_hv | |
1410 | ||
1411 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1412 | Perl variable does not exist then it will be created. If C<create> is not | |
1413 | set and the variable does not exist then NULL is returned. | |
1414 | ||
1415 | =cut | |
1416 | */ | |
1417 | ||
6224f72b | 1418 | HV* |
864dbfa3 | 1419 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1420 | { |
a0d0e21e LW |
1421 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1422 | if (create) | |
1423 | return GvHVn(gv); | |
1424 | if (gv) | |
1425 | return GvHV(gv); | |
1426 | return Nullhv; | |
1427 | } | |
1428 | ||
954c1994 GS |
1429 | /* |
1430 | =for apidoc p||get_cv | |
1431 | ||
1432 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1433 | the Perl subroutine does not exist then it will be declared (which has the | |
1434 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1435 | subroutine does not exist then NULL is returned. | |
1436 | ||
1437 | =cut | |
1438 | */ | |
1439 | ||
a0d0e21e | 1440 | CV* |
864dbfa3 | 1441 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1442 | { |
1443 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1444 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1445 | /* XXX this is probably not what they think they're getting. |
1446 | * It has the same effect as "sub name;", i.e. just a forward | |
1447 | * declaration! */ | |
8ebc5c01 | 1448 | if (create && !GvCVu(gv)) |
774d564b | 1449 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1450 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1451 | Nullop, |
a0d0e21e LW |
1452 | Nullop); |
1453 | if (gv) | |
8ebc5c01 | 1454 | return GvCVu(gv); |
a0d0e21e LW |
1455 | return Nullcv; |
1456 | } | |
1457 | ||
79072805 LW |
1458 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1459 | ||
954c1994 GS |
1460 | /* |
1461 | =for apidoc p||call_argv | |
1462 | ||
1463 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1464 | ||
1465 | =cut | |
1466 | */ | |
1467 | ||
a0d0e21e | 1468 | I32 |
864dbfa3 | 1469 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1470 | |
1471 | /* See G_* flags in cop.h */ | |
1472 | /* null terminated arg list */ | |
8990e307 | 1473 | { |
a0d0e21e | 1474 | dSP; |
8990e307 | 1475 | |
924508f0 | 1476 | PUSHMARK(SP); |
a0d0e21e | 1477 | if (argv) { |
8990e307 | 1478 | while (*argv) { |
a0d0e21e | 1479 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1480 | argv++; |
1481 | } | |
a0d0e21e | 1482 | PUTBACK; |
8990e307 | 1483 | } |
864dbfa3 | 1484 | return call_pv(sub_name, flags); |
8990e307 LW |
1485 | } |
1486 | ||
954c1994 GS |
1487 | /* |
1488 | =for apidoc p||call_pv | |
1489 | ||
1490 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1491 | ||
1492 | =cut | |
1493 | */ | |
1494 | ||
a0d0e21e | 1495 | I32 |
864dbfa3 | 1496 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1497 | /* name of the subroutine */ |
1498 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1499 | { |
864dbfa3 | 1500 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1501 | } |
1502 | ||
954c1994 GS |
1503 | /* |
1504 | =for apidoc p||call_method | |
1505 | ||
1506 | Performs a callback to the specified Perl method. The blessed object must | |
1507 | be on the stack. See L<perlcall>. | |
1508 | ||
1509 | =cut | |
1510 | */ | |
1511 | ||
a0d0e21e | 1512 | I32 |
864dbfa3 | 1513 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1514 | /* name of the subroutine */ |
1515 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1516 | { |
1517 | dSP; | |
1518 | OP myop; | |
0f79a09d | 1519 | if (!PL_op) { |
9b94d1dd | 1520 | Zero(&myop, 1, OP); |
533c011a | 1521 | PL_op = &myop; |
0f79a09d | 1522 | } |
a0d0e21e LW |
1523 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1524 | PUTBACK; | |
cea2e8a9 | 1525 | pp_method(); |
d33b2eba GS |
1526 | if (PL_op == &myop) |
1527 | PL_op = Nullop; | |
864dbfa3 | 1528 | return call_sv(*PL_stack_sp--, flags); |
a0d0e21e LW |
1529 | } |
1530 | ||
1531 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1532 | /* |
1533 | =for apidoc p||call_sv | |
1534 | ||
1535 | Performs a callback to the Perl sub whose name is in the SV. See | |
1536 | L<perlcall>. | |
1537 | ||
1538 | =cut | |
1539 | */ | |
1540 | ||
a0d0e21e | 1541 | I32 |
864dbfa3 | 1542 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1543 | |
1544 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1545 | { |
924508f0 | 1546 | dSP; |
a0d0e21e | 1547 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1548 | I32 oldmark; |
a0d0e21e | 1549 | I32 retval; |
a0d0e21e | 1550 | I32 oldscope; |
54310121 | 1551 | bool oldcatch = CATCH_GET; |
6224f72b | 1552 | int ret; |
533c011a | 1553 | OP* oldop = PL_op; |
db36c5a1 | 1554 | dJMPENV; |
1e422769 | 1555 | |
a0d0e21e LW |
1556 | if (flags & G_DISCARD) { |
1557 | ENTER; | |
1558 | SAVETMPS; | |
1559 | } | |
1560 | ||
aa689395 | 1561 | Zero(&myop, 1, LOGOP); |
54310121 | 1562 | myop.op_next = Nullop; |
f51d4af5 | 1563 | if (!(flags & G_NOARGS)) |
aa689395 | 1564 | myop.op_flags |= OPf_STACKED; |
54310121 | 1565 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1566 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1567 | OPf_WANT_SCALAR); | |
462e5cf6 | 1568 | SAVEOP(); |
533c011a | 1569 | PL_op = (OP*)&myop; |
aa689395 | 1570 | |
3280af22 NIS |
1571 | EXTEND(PL_stack_sp, 1); |
1572 | *++PL_stack_sp = sv; | |
aa689395 | 1573 | oldmark = TOPMARK; |
3280af22 | 1574 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1575 | |
3280af22 | 1576 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1577 | /* Handle first BEGIN of -d. */ |
3280af22 | 1578 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1579 | /* Try harder, since this may have been a sighandler, thus |
1580 | * curstash may be meaningless. */ | |
3280af22 | 1581 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1582 | && !(flags & G_NODEBUG)) |
533c011a | 1583 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1584 | |
312caa8e | 1585 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1586 | CATCH_SET(TRUE); |
14dd3ad8 | 1587 | call_body((OP*)&myop, FALSE); |
312caa8e | 1588 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1589 | CATCH_SET(oldcatch); |
312caa8e CS |
1590 | } |
1591 | else { | |
533c011a | 1592 | cLOGOP->op_other = PL_op; |
3280af22 | 1593 | PL_markstack_ptr--; |
4633a7c4 LW |
1594 | /* we're trying to emulate pp_entertry() here */ |
1595 | { | |
c09156bb | 1596 | register PERL_CONTEXT *cx; |
54310121 | 1597 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1598 | |
1599 | ENTER; | |
1600 | SAVETMPS; | |
1601 | ||
533c011a | 1602 | push_return(PL_op->op_next); |
3280af22 | 1603 | PUSHBLOCK(cx, CXt_EVAL, PL_stack_sp); |
4633a7c4 | 1604 | PUSHEVAL(cx, 0, 0); |
533c011a | 1605 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
4633a7c4 | 1606 | |
faef0170 | 1607 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1608 | if (flags & G_KEEPERR) |
faef0170 | 1609 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1610 | else |
38a03e6e | 1611 | sv_setpv(ERRSV,""); |
4633a7c4 | 1612 | } |
3280af22 | 1613 | PL_markstack_ptr++; |
a0d0e21e | 1614 | |
14dd3ad8 GS |
1615 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1616 | redo_body: | |
1617 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 1618 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
1619 | #else |
1620 | JMPENV_PUSH(ret); | |
1621 | #endif | |
6224f72b GS |
1622 | switch (ret) { |
1623 | case 0: | |
14dd3ad8 GS |
1624 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1625 | redo_body: | |
1626 | call_body((OP*)&myop, FALSE); | |
1627 | #endif | |
312caa8e CS |
1628 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1629 | if (!(flags & G_KEEPERR)) | |
1630 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1631 | break; |
6224f72b | 1632 | case 1: |
f86702cc | 1633 | STATUS_ALL_FAILURE; |
a0d0e21e | 1634 | /* FALL THROUGH */ |
6224f72b | 1635 | case 2: |
a0d0e21e | 1636 | /* my_exit() was called */ |
3280af22 | 1637 | PL_curstash = PL_defstash; |
a0d0e21e | 1638 | FREETMPS; |
14dd3ad8 | 1639 | JMPENV_POP; |
cc3604b1 | 1640 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1641 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1642 | my_exit_jump(); |
a0d0e21e | 1643 | /* NOTREACHED */ |
6224f72b | 1644 | case 3: |
3280af22 | 1645 | if (PL_restartop) { |
533c011a | 1646 | PL_op = PL_restartop; |
3280af22 | 1647 | PL_restartop = 0; |
312caa8e | 1648 | goto redo_body; |
a0d0e21e | 1649 | } |
3280af22 | 1650 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1651 | if (flags & G_ARRAY) |
1652 | retval = 0; | |
1653 | else { | |
1654 | retval = 1; | |
3280af22 | 1655 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 1656 | } |
312caa8e | 1657 | break; |
a0d0e21e | 1658 | } |
a0d0e21e | 1659 | |
3280af22 | 1660 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
1661 | SV **newsp; |
1662 | PMOP *newpm; | |
1663 | I32 gimme; | |
c09156bb | 1664 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1665 | I32 optype; |
1666 | ||
1667 | POPBLOCK(cx,newpm); | |
1668 | POPEVAL(cx); | |
1669 | pop_return(); | |
3280af22 | 1670 | PL_curpm = newpm; |
a0a2876f | 1671 | LEAVE; |
a0d0e21e | 1672 | } |
14dd3ad8 | 1673 | JMPENV_POP; |
a0d0e21e | 1674 | } |
1e422769 | 1675 | |
a0d0e21e | 1676 | if (flags & G_DISCARD) { |
3280af22 | 1677 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1678 | retval = 0; |
1679 | FREETMPS; | |
1680 | LEAVE; | |
1681 | } | |
533c011a | 1682 | PL_op = oldop; |
a0d0e21e LW |
1683 | return retval; |
1684 | } | |
1685 | ||
14dd3ad8 | 1686 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1687 | STATIC void * |
14dd3ad8 | 1688 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
1689 | { |
1690 | OP *myop = va_arg(args, OP*); | |
1691 | int is_eval = va_arg(args, int); | |
1692 | ||
14dd3ad8 | 1693 | call_body(myop, is_eval); |
312caa8e CS |
1694 | return NULL; |
1695 | } | |
14dd3ad8 | 1696 | #endif |
312caa8e CS |
1697 | |
1698 | STATIC void | |
14dd3ad8 | 1699 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e CS |
1700 | { |
1701 | dTHR; | |
1702 | ||
1703 | if (PL_op == myop) { | |
1704 | if (is_eval) | |
cea2e8a9 | 1705 | PL_op = Perl_pp_entereval(aTHX); |
312caa8e | 1706 | else |
cea2e8a9 | 1707 | PL_op = Perl_pp_entersub(aTHX); |
312caa8e CS |
1708 | } |
1709 | if (PL_op) | |
cea2e8a9 | 1710 | CALLRUNOPS(aTHX); |
312caa8e CS |
1711 | } |
1712 | ||
6e72f9df | 1713 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1714 | |
954c1994 GS |
1715 | /* |
1716 | =for apidoc p||eval_sv | |
1717 | ||
1718 | Tells Perl to C<eval> the string in the SV. | |
1719 | ||
1720 | =cut | |
1721 | */ | |
1722 | ||
a0d0e21e | 1723 | I32 |
864dbfa3 | 1724 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1725 | |
1726 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1727 | { |
924508f0 | 1728 | dSP; |
a0d0e21e | 1729 | UNOP myop; /* fake syntax tree node */ |
3280af22 | 1730 | I32 oldmark = SP - PL_stack_base; |
4633a7c4 | 1731 | I32 retval; |
4633a7c4 | 1732 | I32 oldscope; |
6224f72b | 1733 | int ret; |
533c011a | 1734 | OP* oldop = PL_op; |
db36c5a1 | 1735 | dJMPENV; |
84902520 | 1736 | |
4633a7c4 LW |
1737 | if (flags & G_DISCARD) { |
1738 | ENTER; | |
1739 | SAVETMPS; | |
1740 | } | |
1741 | ||
462e5cf6 | 1742 | SAVEOP(); |
533c011a NIS |
1743 | PL_op = (OP*)&myop; |
1744 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
1745 | EXTEND(PL_stack_sp, 1); |
1746 | *++PL_stack_sp = sv; | |
1747 | oldscope = PL_scopestack_ix; | |
79072805 | 1748 | |
4633a7c4 LW |
1749 | if (!(flags & G_NOARGS)) |
1750 | myop.op_flags = OPf_STACKED; | |
79072805 | 1751 | myop.op_next = Nullop; |
6e72f9df | 1752 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1753 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1754 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1755 | OPf_WANT_SCALAR); | |
6e72f9df | 1756 | if (flags & G_KEEPERR) |
1757 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1758 | |
14dd3ad8 | 1759 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1760 | redo_body: |
14dd3ad8 | 1761 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 1762 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
1763 | #else |
1764 | JMPENV_PUSH(ret); | |
1765 | #endif | |
6224f72b GS |
1766 | switch (ret) { |
1767 | case 0: | |
14dd3ad8 GS |
1768 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1769 | redo_body: | |
1770 | call_body((OP*)&myop,TRUE); | |
1771 | #endif | |
312caa8e CS |
1772 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1773 | if (!(flags & G_KEEPERR)) | |
1774 | sv_setpv(ERRSV,""); | |
4633a7c4 | 1775 | break; |
6224f72b | 1776 | case 1: |
f86702cc | 1777 | STATUS_ALL_FAILURE; |
4633a7c4 | 1778 | /* FALL THROUGH */ |
6224f72b | 1779 | case 2: |
4633a7c4 | 1780 | /* my_exit() was called */ |
3280af22 | 1781 | PL_curstash = PL_defstash; |
4633a7c4 | 1782 | FREETMPS; |
14dd3ad8 | 1783 | JMPENV_POP; |
cc3604b1 | 1784 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1785 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1786 | my_exit_jump(); |
4633a7c4 | 1787 | /* NOTREACHED */ |
6224f72b | 1788 | case 3: |
3280af22 | 1789 | if (PL_restartop) { |
533c011a | 1790 | PL_op = PL_restartop; |
3280af22 | 1791 | PL_restartop = 0; |
312caa8e | 1792 | goto redo_body; |
4633a7c4 | 1793 | } |
3280af22 | 1794 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1795 | if (flags & G_ARRAY) |
1796 | retval = 0; | |
1797 | else { | |
1798 | retval = 1; | |
3280af22 | 1799 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 1800 | } |
312caa8e | 1801 | break; |
4633a7c4 LW |
1802 | } |
1803 | ||
14dd3ad8 | 1804 | JMPENV_POP; |
4633a7c4 | 1805 | if (flags & G_DISCARD) { |
3280af22 | 1806 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1807 | retval = 0; |
1808 | FREETMPS; | |
1809 | LEAVE; | |
1810 | } | |
533c011a | 1811 | PL_op = oldop; |
4633a7c4 LW |
1812 | return retval; |
1813 | } | |
1814 | ||
954c1994 GS |
1815 | /* |
1816 | =for apidoc p||eval_pv | |
1817 | ||
1818 | Tells Perl to C<eval> the given string and return an SV* result. | |
1819 | ||
1820 | =cut | |
1821 | */ | |
1822 | ||
137443ea | 1823 | SV* |
864dbfa3 | 1824 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 1825 | { |
1826 | dSP; | |
1827 | SV* sv = newSVpv(p, 0); | |
1828 | ||
924508f0 | 1829 | PUSHMARK(SP); |
864dbfa3 | 1830 | eval_sv(sv, G_SCALAR); |
137443ea | 1831 | SvREFCNT_dec(sv); |
1832 | ||
1833 | SPAGAIN; | |
1834 | sv = POPs; | |
1835 | PUTBACK; | |
1836 | ||
2d8e6c8d GS |
1837 | if (croak_on_error && SvTRUE(ERRSV)) { |
1838 | STRLEN n_a; | |
cea2e8a9 | 1839 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 1840 | } |
137443ea | 1841 | |
1842 | return sv; | |
1843 | } | |
1844 | ||
4633a7c4 LW |
1845 | /* Require a module. */ |
1846 | ||
954c1994 GS |
1847 | /* |
1848 | =for apidoc p||require_pv | |
1849 | ||
1850 | Tells Perl to C<require> a module. | |
1851 | ||
1852 | =cut | |
1853 | */ | |
1854 | ||
4633a7c4 | 1855 | void |
864dbfa3 | 1856 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 1857 | { |
d3acc0f7 JP |
1858 | SV* sv; |
1859 | dSP; | |
e788e7d3 | 1860 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
1861 | PUTBACK; |
1862 | sv = sv_newmortal(); | |
4633a7c4 LW |
1863 | sv_setpv(sv, "require '"); |
1864 | sv_catpv(sv, pv); | |
1865 | sv_catpv(sv, "'"); | |
864dbfa3 | 1866 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
1867 | SPAGAIN; |
1868 | POPSTACK; | |
79072805 LW |
1869 | } |
1870 | ||
79072805 | 1871 | void |
864dbfa3 | 1872 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
1873 | { |
1874 | register GV *gv; | |
1875 | ||
85e6fe83 | 1876 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1877 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1878 | } | |
1879 | ||
76e3520e | 1880 | STATIC void |
cea2e8a9 | 1881 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 1882 | { |
ab821d7f | 1883 | /* This message really ought to be max 23 lines. |
1884 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1885 | |
76e3520e | 1886 | static char *usage_msg[] = { |
fb73857a | 1887 | "-0[octal] specify record separator (\\0, if no argument)", |
1888 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
46487f74 | 1889 | "-C enable native wide character system interfaces", |
fb73857a | 1890 | "-c check syntax only (runs BEGIN and END blocks)", |
aac3bd0d GS |
1891 | "-d[:debugger] run program under debugger", |
1892 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
1893 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
1894 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
1895 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
1896 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 1897 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
1898 | "-[mM][-]module execute `use/no module...' before executing program", |
1899 | "-n assume 'while (<>) { ... }' loop around program", | |
1900 | "-p assume loop like -n but print line also, like sed", | |
1901 | "-P run program through C preprocessor before compilation", | |
1902 | "-s enable rudimentary parsing for switches after programfile", | |
1903 | "-S look for programfile using PATH environment variable", | |
1904 | "-T enable tainting checks", | |
1905 | "-u dump core after parsing program", | |
fb73857a | 1906 | "-U allow unsafe operations", |
aac3bd0d GS |
1907 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
1908 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
1909 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 GS |
1910 | "-W enable all warnings", |
1911 | "-X disable all warnings", | |
fb73857a | 1912 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1913 | "\n", | |
1914 | NULL | |
1915 | }; | |
76e3520e | 1916 | char **p = usage_msg; |
fb73857a | 1917 | |
ab821d7f | 1918 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1919 | while (*p) |
1920 | printf("\n %s", *p++); | |
4633a7c4 LW |
1921 | } |
1922 | ||
79072805 LW |
1923 | /* This routine handles any switches that can be given during run */ |
1924 | ||
1925 | char * | |
864dbfa3 | 1926 | Perl_moreswitches(pTHX_ char *s) |
79072805 LW |
1927 | { |
1928 | I32 numlen; | |
c07a80fd | 1929 | U32 rschar; |
79072805 LW |
1930 | |
1931 | switch (*s) { | |
1932 | case '0': | |
a863c7d1 MB |
1933 | { |
1934 | dTHR; | |
dff6d3cd | 1935 | rschar = (U32)scan_oct(s, 4, &numlen); |
3280af22 | 1936 | SvREFCNT_dec(PL_nrs); |
c07a80fd | 1937 | if (rschar & ~((U8)~0)) |
3280af22 | 1938 | PL_nrs = &PL_sv_undef; |
c07a80fd | 1939 | else if (!rschar && numlen >= 2) |
79cb57f6 | 1940 | PL_nrs = newSVpvn("", 0); |
c07a80fd | 1941 | else { |
1942 | char ch = rschar; | |
79cb57f6 | 1943 | PL_nrs = newSVpvn(&ch, 1); |
79072805 LW |
1944 | } |
1945 | return s + numlen; | |
a863c7d1 | 1946 | } |
46487f74 GS |
1947 | case 'C': |
1948 | PL_widesyscalls = TRUE; | |
1949 | s++; | |
1950 | return s; | |
2304df62 | 1951 | case 'F': |
3280af22 NIS |
1952 | PL_minus_F = TRUE; |
1953 | PL_splitstr = savepv(s + 1); | |
2304df62 AD |
1954 | s += strlen(s); |
1955 | return s; | |
79072805 | 1956 | case 'a': |
3280af22 | 1957 | PL_minus_a = TRUE; |
79072805 LW |
1958 | s++; |
1959 | return s; | |
1960 | case 'c': | |
3280af22 | 1961 | PL_minus_c = TRUE; |
79072805 LW |
1962 | s++; |
1963 | return s; | |
1964 | case 'd': | |
bbce6d69 | 1965 | forbid_setid("-d"); |
4633a7c4 | 1966 | s++; |
c07a80fd | 1967 | if (*s == ':' || *s == '=') { |
cea2e8a9 | 1968 | my_setenv("PERL5DB", Perl_form(aTHX_ "use Devel::%s;", ++s)); |
4633a7c4 | 1969 | s += strlen(s); |
4633a7c4 | 1970 | } |
ed094faf | 1971 | if (!PL_perldb) { |
3280af22 | 1972 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 1973 | init_debugger(); |
ed094faf | 1974 | } |
79072805 LW |
1975 | return s; |
1976 | case 'D': | |
0453d815 | 1977 | { |
79072805 | 1978 | #ifdef DEBUGGING |
bbce6d69 | 1979 | forbid_setid("-D"); |
79072805 | 1980 | if (isALPHA(s[1])) { |
8b73bbec | 1981 | static char debopts[] = "psltocPmfrxuLHXDS"; |
79072805 LW |
1982 | char *d; |
1983 | ||
93a17b20 | 1984 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 1985 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
1986 | } |
1987 | else { | |
3280af22 | 1988 | PL_debug = atoi(s+1); |
79072805 LW |
1989 | for (s++; isDIGIT(*s); s++) ; |
1990 | } | |
3280af22 | 1991 | PL_debug |= 0x80000000; |
79072805 | 1992 | #else |
0453d815 PM |
1993 | dTHR; |
1994 | if (ckWARN_d(WARN_DEBUGGING)) | |
1995 | Perl_warner(aTHX_ WARN_DEBUGGING, | |
1996 | "Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1997 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1998 | #endif |
1999 | /*SUPPRESS 530*/ | |
2000 | return s; | |
0453d815 | 2001 | } |
4633a7c4 | 2002 | case 'h': |
3280af22 | 2003 | usage(PL_origargv[0]); |
6ad3d225 | 2004 | PerlProc_exit(0); |
79072805 | 2005 | case 'i': |
3280af22 NIS |
2006 | if (PL_inplace) |
2007 | Safefree(PL_inplace); | |
2008 | PL_inplace = savepv(s+1); | |
79072805 | 2009 | /*SUPPRESS 530*/ |
3280af22 | 2010 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2011 | if (*s) { |
fb73857a | 2012 | *s++ = '\0'; |
7b8d334a GS |
2013 | if (*s == '-') /* Additional switches on #! line. */ |
2014 | s++; | |
2015 | } | |
fb73857a | 2016 | return s; |
2017 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 2018 | forbid_setid("-I"); |
fb73857a | 2019 | ++s; |
2020 | while (*s && isSPACE(*s)) | |
2021 | ++s; | |
2022 | if (*s) { | |
774d564b | 2023 | char *e, *p; |
0df16ed7 GS |
2024 | p = s; |
2025 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2026 | do { | |
2027 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2028 | p = e; | |
2029 | while (isSPACE(*p)) | |
2030 | p++; | |
2031 | } while (*p && *p != '-'); | |
2032 | e = savepvn(s, e-s); | |
2033 | incpush(e, TRUE); | |
2034 | Safefree(e); | |
2035 | s = p; | |
2036 | if (*s == '-') | |
2037 | s++; | |
79072805 LW |
2038 | } |
2039 | else | |
a67e862a | 2040 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2041 | return s; |
79072805 | 2042 | case 'l': |
3280af22 | 2043 | PL_minus_l = TRUE; |
79072805 | 2044 | s++; |
3280af22 NIS |
2045 | if (PL_ors) |
2046 | Safefree(PL_ors); | |
79072805 | 2047 | if (isDIGIT(*s)) { |
3280af22 NIS |
2048 | PL_ors = savepv("\n"); |
2049 | PL_orslen = 1; | |
dff6d3cd | 2050 | *PL_ors = (char)scan_oct(s, 3 + (*s == '0'), &numlen); |
79072805 LW |
2051 | s += numlen; |
2052 | } | |
2053 | else { | |
a863c7d1 | 2054 | dTHR; |
3280af22 NIS |
2055 | if (RsPARA(PL_nrs)) { |
2056 | PL_ors = "\n\n"; | |
2057 | PL_orslen = 2; | |
c07a80fd | 2058 | } |
2059 | else | |
3280af22 NIS |
2060 | PL_ors = SvPV(PL_nrs, PL_orslen); |
2061 | PL_ors = savepvn(PL_ors, PL_orslen); | |
79072805 LW |
2062 | } |
2063 | return s; | |
1a30305b | 2064 | case 'M': |
bbce6d69 | 2065 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2066 | /* FALL THROUGH */ |
2067 | case 'm': | |
bbce6d69 | 2068 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2069 | if (*++s) { |
a5f75d66 | 2070 | char *start; |
11343788 | 2071 | SV *sv; |
a5f75d66 AD |
2072 | char *use = "use "; |
2073 | /* -M-foo == 'no foo' */ | |
2074 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2075 | sv = newSVpv(use,0); |
a5f75d66 | 2076 | start = s; |
1a30305b | 2077 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2078 | while(isALNUM(*s) || *s==':') ++s; |
2079 | if (*s != '=') { | |
11343788 | 2080 | sv_catpv(sv, start); |
c07a80fd | 2081 | if (*(start-1) == 'm') { |
2082 | if (*s != '\0') | |
cea2e8a9 | 2083 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2084 | sv_catpv( sv, " ()"); |
c07a80fd | 2085 | } |
2086 | } else { | |
11343788 MB |
2087 | sv_catpvn(sv, start, s-start); |
2088 | sv_catpv(sv, " split(/,/,q{"); | |
2089 | sv_catpv(sv, ++s); | |
2090 | sv_catpv(sv, "})"); | |
c07a80fd | 2091 | } |
1a30305b | 2092 | s += strlen(s); |
5c831c24 | 2093 | if (!PL_preambleav) |
3280af22 NIS |
2094 | PL_preambleav = newAV(); |
2095 | av_push(PL_preambleav, sv); | |
1a30305b | 2096 | } |
2097 | else | |
cea2e8a9 | 2098 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2099 | return s; |
79072805 | 2100 | case 'n': |
3280af22 | 2101 | PL_minus_n = TRUE; |
79072805 LW |
2102 | s++; |
2103 | return s; | |
2104 | case 'p': | |
3280af22 | 2105 | PL_minus_p = TRUE; |
79072805 LW |
2106 | s++; |
2107 | return s; | |
2108 | case 's': | |
bbce6d69 | 2109 | forbid_setid("-s"); |
3280af22 | 2110 | PL_doswitches = TRUE; |
79072805 LW |
2111 | s++; |
2112 | return s; | |
463ee0b2 | 2113 | case 'T': |
3280af22 | 2114 | if (!PL_tainting) |
cea2e8a9 | 2115 | Perl_croak(aTHX_ "Too late for \"-T\" option"); |
463ee0b2 LW |
2116 | s++; |
2117 | return s; | |
79072805 | 2118 | case 'u': |
3280af22 | 2119 | PL_do_undump = TRUE; |
79072805 LW |
2120 | s++; |
2121 | return s; | |
2122 | case 'U': | |
3280af22 | 2123 | PL_unsafe = TRUE; |
79072805 LW |
2124 | s++; |
2125 | return s; | |
2126 | case 'v': | |
b22c7a20 | 2127 | printf(Perl_form(aTHX_ "\nThis is perl, v%vd built for %s", |
3cb0bbe5 | 2128 | PL_patchlevel, ARCHNAME)); |
fb73857a | 2129 | #if defined(LOCAL_PATCH_COUNT) |
2130 | if (LOCAL_PATCH_COUNT > 0) | |
2131 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
b900a521 | 2132 | (int)LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 2133 | #endif |
1a30305b | 2134 | |
3818b22b | 2135 | printf("\n\nCopyright 1987-2000, Larry Wall\n"); |
79072805 | 2136 | #ifdef MSDOS |
fb73857a | 2137 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 2138 | #endif |
2139 | #ifdef DJGPP | |
2140 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4eb8286e | 2141 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); |
4633a7c4 | 2142 | #endif |
79072805 | 2143 | #ifdef OS2 |
5dd60ef7 | 2144 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
4eb8286e | 2145 | "Version 5 port Copyright (c) 1994-1999, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2146 | #endif |
79072805 | 2147 | #ifdef atarist |
760ac839 | 2148 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 2149 | #endif |
a3f9223b | 2150 | #ifdef __BEOS__ |
4eb8286e | 2151 | printf("BeOS port Copyright Tom Spindler, 1997-1999\n"); |
a3f9223b | 2152 | #endif |
1d84e8df | 2153 | #ifdef MPE |
4eb8286e | 2154 | printf("MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-1999\n"); |
1d84e8df | 2155 | #endif |
9d116dd7 | 2156 | #ifdef OEMVS |
4eb8286e | 2157 | printf("MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 2158 | #endif |
495c5fdc | 2159 | #ifdef __VOS__ |
4eb8286e | 2160 | printf("Stratus VOS port by Paul_Green@stratus.com, 1997-1999\n"); |
495c5fdc | 2161 | #endif |
092bebab | 2162 | #ifdef __OPEN_VM |
4eb8286e | 2163 | printf("VM/ESA port by Neale Ferguson, 1998-1999\n"); |
092bebab | 2164 | #endif |
a1a0e61e | 2165 | #ifdef POSIX_BC |
4eb8286e | 2166 | printf("BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 2167 | #endif |
61ae2fbf | 2168 | #ifdef __MINT__ |
4eb8286e | 2169 | printf("MiNT port by Guido Flohr, 1997-1999\n"); |
61ae2fbf | 2170 | #endif |
f83d2536 GS |
2171 | #ifdef EPOC |
2172 | printf("EPOC port by Olaf Flebbe, 1999-2000\n"); | |
2173 | #endif | |
baed7233 DL |
2174 | #ifdef BINARY_BUILD_NOTICE |
2175 | BINARY_BUILD_NOTICE; | |
2176 | #endif | |
760ac839 | 2177 | printf("\n\ |
79072805 | 2178 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
2179 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
2180 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
2181 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2182 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 2183 | PerlProc_exit(0); |
79072805 | 2184 | case 'w': |
599cee73 PM |
2185 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
2186 | PL_dowarn |= G_WARN_ON; | |
2187 | s++; | |
2188 | return s; | |
2189 | case 'W': | |
2190 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
e24b16f9 | 2191 | PL_compiling.cop_warnings = WARN_ALL ; |
599cee73 PM |
2192 | s++; |
2193 | return s; | |
2194 | case 'X': | |
2195 | PL_dowarn = G_WARN_ALL_OFF; | |
e24b16f9 | 2196 | PL_compiling.cop_warnings = WARN_NONE ; |
79072805 LW |
2197 | s++; |
2198 | return s; | |
a0d0e21e | 2199 | case '*': |
79072805 LW |
2200 | case ' ': |
2201 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2202 | return s+2; | |
2203 | break; | |
a0d0e21e | 2204 | case '-': |
79072805 | 2205 | case 0: |
51882d45 | 2206 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2207 | case '\r': |
2208 | #endif | |
79072805 LW |
2209 | case '\n': |
2210 | case '\t': | |
2211 | break; | |
aa689395 | 2212 | #ifdef ALTERNATE_SHEBANG |
2213 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2214 | break; | |
2215 | #endif | |
a0d0e21e | 2216 | case 'P': |
3280af22 | 2217 | if (PL_preprocess) |
a0d0e21e LW |
2218 | return s+1; |
2219 | /* FALL THROUGH */ | |
79072805 | 2220 | default: |
cea2e8a9 | 2221 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2222 | } |
2223 | return Nullch; | |
2224 | } | |
2225 | ||
2226 | /* compliments of Tom Christiansen */ | |
2227 | ||
2228 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2229 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2230 | |
2231 | void | |
864dbfa3 | 2232 | Perl_my_unexec(pTHX) |
79072805 LW |
2233 | { |
2234 | #ifdef UNEXEC | |
46fc3d4c | 2235 | SV* prog; |
2236 | SV* file; | |
ee580363 | 2237 | int status = 1; |
79072805 LW |
2238 | extern int etext; |
2239 | ||
ee580363 | 2240 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2241 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2242 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2243 | sv_catpv(file, ".perldump"); |
79072805 | 2244 | |
ee580363 GS |
2245 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2246 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2247 | PerlProc_exit(status); |
79072805 | 2248 | #else |
a5f75d66 AD |
2249 | # ifdef VMS |
2250 | # include <lib$routines.h> | |
2251 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2252 | # else |
79072805 | 2253 | ABORT(); /* for use with undump */ |
aa689395 | 2254 | # endif |
a5f75d66 | 2255 | #endif |
79072805 LW |
2256 | } |
2257 | ||
cb68f92d GS |
2258 | /* initialize curinterp */ |
2259 | STATIC void | |
cea2e8a9 | 2260 | S_init_interp(pTHX) |
cb68f92d GS |
2261 | { |
2262 | ||
066ef5b5 | 2263 | #ifdef PERL_OBJECT /* XXX kludge */ |
cb68f92d | 2264 | #define I_REINIT \ |
6b88bc9c GS |
2265 | STMT_START { \ |
2266 | PL_chopset = " \n-"; \ | |
2267 | PL_copline = NOLINE; \ | |
2268 | PL_curcop = &PL_compiling;\ | |
2269 | PL_curcopdb = NULL; \ | |
2270 | PL_dbargs = 0; \ | |
3967c732 | 2271 | PL_dumpindent = 4; \ |
6b88bc9c GS |
2272 | PL_laststatval = -1; \ |
2273 | PL_laststype = OP_STAT; \ | |
2274 | PL_maxscream = -1; \ | |
2275 | PL_maxsysfd = MAXSYSFD; \ | |
2276 | PL_statname = Nullsv; \ | |
2277 | PL_tmps_floor = -1; \ | |
2278 | PL_tmps_ix = -1; \ | |
2279 | PL_op_mask = NULL; \ | |
6b88bc9c GS |
2280 | PL_laststatval = -1; \ |
2281 | PL_laststype = OP_STAT; \ | |
2282 | PL_mess_sv = Nullsv; \ | |
2283 | PL_splitstr = " "; \ | |
2284 | PL_generation = 100; \ | |
2285 | PL_exitlist = NULL; \ | |
2286 | PL_exitlistlen = 0; \ | |
2287 | PL_regindent = 0; \ | |
2288 | PL_in_clean_objs = FALSE; \ | |
2289 | PL_in_clean_all = FALSE; \ | |
2290 | PL_profiledata = NULL; \ | |
2291 | PL_rsfp = Nullfp; \ | |
2292 | PL_rsfp_filters = Nullav; \ | |
24d3c518 | 2293 | PL_dirty = FALSE; \ |
cb68f92d | 2294 | } STMT_END |
9666903d | 2295 | I_REINIT; |
066ef5b5 GS |
2296 | #else |
2297 | # ifdef MULTIPLICITY | |
2298 | # define PERLVAR(var,type) | |
51371543 | 2299 | # define PERLVARA(var,n,type) |
cea2e8a9 | 2300 | # if defined(PERL_IMPLICIT_CONTEXT) |
54aff467 GS |
2301 | # if defined(USE_THREADS) |
2302 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
2303 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
2304 | # else /* !USE_THREADS */ | |
2305 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2306 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2307 | # endif /* USE_THREADS */ | |
cea2e8a9 | 2308 | # else |
c5be433b GS |
2309 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2310 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
cea2e8a9 | 2311 | # endif |
066ef5b5 GS |
2312 | # include "intrpvar.h" |
2313 | # ifndef USE_THREADS | |
2314 | # include "thrdvar.h" | |
2315 | # endif | |
2316 | # undef PERLVAR | |
51371543 | 2317 | # undef PERLVARA |
066ef5b5 GS |
2318 | # undef PERLVARI |
2319 | # undef PERLVARIC | |
3967c732 | 2320 | # else |
066ef5b5 | 2321 | # define PERLVAR(var,type) |
51371543 | 2322 | # define PERLVARA(var,n,type) |
533c011a NIS |
2323 | # define PERLVARI(var,type,init) PL_##var = init; |
2324 | # define PERLVARIC(var,type,init) PL_##var = init; | |
066ef5b5 GS |
2325 | # include "intrpvar.h" |
2326 | # ifndef USE_THREADS | |
2327 | # include "thrdvar.h" | |
2328 | # endif | |
2329 | # undef PERLVAR | |
51371543 | 2330 | # undef PERLVARA |
066ef5b5 GS |
2331 | # undef PERLVARI |
2332 | # undef PERLVARIC | |
2333 | # endif | |
cb68f92d GS |
2334 | #endif |
2335 | ||
cb68f92d GS |
2336 | } |
2337 | ||
76e3520e | 2338 | STATIC void |
cea2e8a9 | 2339 | S_init_main_stash(pTHX) |
79072805 | 2340 | { |
11343788 | 2341 | dTHR; |
463ee0b2 | 2342 | GV *gv; |
6e72f9df | 2343 | |
2344 | /* Note that strtab is a rather special HV. Assumptions are made | |
2345 | about not iterating on it, and not adding tie magic to it. | |
2346 | It is properly deallocated in perl_destruct() */ | |
3280af22 | 2347 | PL_strtab = newHV(); |
5f08fbcd GS |
2348 | #ifdef USE_THREADS |
2349 | MUTEX_INIT(&PL_strtab_mutex); | |
2350 | #endif | |
3280af22 NIS |
2351 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
2352 | hv_ksplit(PL_strtab, 512); | |
6e72f9df | 2353 | |
3280af22 | 2354 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2355 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2356 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2357 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2358 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2359 | SvREADONLY_on(gv); |
3280af22 NIS |
2360 | HvNAME(PL_defstash) = savepv("main"); |
2361 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2362 | GvMULTI_on(PL_incgv); | |
2363 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2364 | GvMULTI_on(PL_hintgv); | |
2365 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2366 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2367 | GvMULTI_on(PL_errgv); | |
2368 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2369 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2370 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2371 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2372 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2373 | PL_curstash = PL_defstash; |
11faa288 | 2374 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2375 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2376 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2377 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2378 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2379 | } |
2380 | ||
76e3520e | 2381 | STATIC void |
cea2e8a9 | 2382 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2383 | { |
0f15f207 | 2384 | dTHR; |
79072805 | 2385 | register char *s; |
2a92aaa0 | 2386 | |
6c4ab083 | 2387 | *fdscript = -1; |
79072805 | 2388 | |
3280af22 NIS |
2389 | if (PL_e_script) { |
2390 | PL_origfilename = savepv("-e"); | |
96436eeb | 2391 | } |
6c4ab083 GS |
2392 | else { |
2393 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2394 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2395 | |
2396 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2397 | char *s = scriptname + 8; | |
2398 | *fdscript = atoi(s); | |
2399 | while (isDIGIT(*s)) | |
2400 | s++; | |
2401 | if (*s) { | |
2402 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2403 | Safefree(PL_origfilename); |
2404 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2405 | } |
2406 | } | |
2407 | } | |
2408 | ||
57843af0 | 2409 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2410 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2411 | scriptname = ""; |
01f988be | 2412 | if (*fdscript >= 0) { |
3280af22 | 2413 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
96436eeb | 2414 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2415 | if (PL_rsfp) |
2416 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2417 | #endif |
2418 | } | |
3280af22 | 2419 | else if (PL_preprocess) { |
46fc3d4c | 2420 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2421 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2422 | SV *cmd = NEWSV(0,0); |
2423 | ||
2424 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2425 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2426 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2427 | |
0df16ed7 | 2428 | sv_catpvn(sv, "-I", 2); |
fed7345c | 2429 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2430 | |
79072805 | 2431 | #ifdef MSDOS |
cea2e8a9 | 2432 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2433 | sed %s -e \"/^[^#]/b\" \ |
2434 | -e \"/^#[ ]*include[ ]/b\" \ | |
2435 | -e \"/^#[ ]*define[ ]/b\" \ | |
2436 | -e \"/^#[ ]*if[ ]/b\" \ | |
2437 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2438 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2439 | -e \"/^#[ ]*else/b\" \ | |
2440 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2441 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2442 | -e \"/^#[ ]*endif/b\" \ | |
2443 | -e \"s/^#.*//\" \ | |
894356b3 | 2444 | %s | %"SVf" -C %"SVf" %s", |
6b88bc9c | 2445 | (PL_doextract ? "-e \"1,/^#/d\n\"" : ""), |
79072805 | 2446 | #else |
092bebab | 2447 | # ifdef __OPEN_VM |
cea2e8a9 | 2448 | Perl_sv_setpvf(aTHX_ cmd, "\ |
092bebab JH |
2449 | %s %s -e '/^[^#]/b' \ |
2450 | -e '/^#[ ]*include[ ]/b' \ | |
2451 | -e '/^#[ ]*define[ ]/b' \ | |
2452 | -e '/^#[ ]*if[ ]/b' \ | |
2453 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2454 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2455 | -e '/^#[ ]*else/b' \ | |
2456 | -e '/^#[ ]*elif[ ]/b' \ | |
2457 | -e '/^#[ ]*undef[ ]/b' \ | |
2458 | -e '/^#[ ]*endif/b' \ | |
2459 | -e 's/^[ ]*#.*//' \ | |
894356b3 | 2460 | %s | %"SVf" %"SVf" %s", |
092bebab | 2461 | # else |
cea2e8a9 | 2462 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2463 | %s %s -e '/^[^#]/b' \ |
2464 | -e '/^#[ ]*include[ ]/b' \ | |
2465 | -e '/^#[ ]*define[ ]/b' \ | |
2466 | -e '/^#[ ]*if[ ]/b' \ | |
2467 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2468 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2469 | -e '/^#[ ]*else/b' \ | |
2470 | -e '/^#[ ]*elif[ ]/b' \ | |
2471 | -e '/^#[ ]*undef[ ]/b' \ | |
2472 | -e '/^#[ ]*endif/b' \ | |
2473 | -e 's/^[ ]*#.*//' \ | |
894356b3 | 2474 | %s | %"SVf" -C %"SVf" %s", |
092bebab | 2475 | # endif |
79072805 LW |
2476 | #ifdef LOC_SED |
2477 | LOC_SED, | |
2478 | #else | |
2479 | "sed", | |
2480 | #endif | |
3280af22 | 2481 | (PL_doextract ? "-e '1,/^#/d\n'" : ""), |
79072805 | 2482 | #endif |
46fc3d4c | 2483 | scriptname, cpp, sv, CPPMINUS); |
3280af22 | 2484 | PL_doextract = FALSE; |
79072805 | 2485 | #ifdef IAMSUID /* actually, this is caught earlier */ |
b28d0864 | 2486 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ |
79072805 | 2487 | #ifdef HAS_SETEUID |
b28d0864 | 2488 | (void)seteuid(PL_uid); /* musn't stay setuid root */ |
79072805 LW |
2489 | #else |
2490 | #ifdef HAS_SETREUID | |
b28d0864 | 2491 | (void)setreuid((Uid_t)-1, PL_uid); |
85e6fe83 LW |
2492 | #else |
2493 | #ifdef HAS_SETRESUID | |
b28d0864 | 2494 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); |
79072805 | 2495 | #else |
b28d0864 | 2496 | PerlProc_setuid(PL_uid); |
79072805 LW |
2497 | #endif |
2498 | #endif | |
85e6fe83 | 2499 | #endif |
b28d0864 | 2500 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2501 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 LW |
2502 | } |
2503 | #endif /* IAMSUID */ | |
3280af22 | 2504 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2505 | SvREFCNT_dec(cmd); |
2506 | SvREFCNT_dec(cpp); | |
79072805 LW |
2507 | } |
2508 | else if (!*scriptname) { | |
bbce6d69 | 2509 | forbid_setid("program input from stdin"); |
3280af22 | 2510 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2511 | } |
96436eeb | 2512 | else { |
3280af22 | 2513 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2514 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2515 | if (PL_rsfp) |
2516 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2517 | #endif |
2518 | } | |
3280af22 | 2519 | if (!PL_rsfp) { |
13281fa4 | 2520 | #ifdef DOSUID |
a687059c | 2521 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
6b88bc9c | 2522 | if (PL_euid && |
cc49e20b | 2523 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && |
6b88bc9c GS |
2524 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) |
2525 | { | |
46fc3d4c | 2526 | /* try again */ |
a7cb1f99 | 2527 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
2528 | (int)PERL_REVISION, (int)PERL_VERSION, |
2529 | (int)PERL_SUBVERSION), PL_origargv); | |
cea2e8a9 | 2530 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
2531 | } |
2532 | #endif | |
2533 | #endif | |
cea2e8a9 | 2534 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
cc49e20b | 2535 | CopFILE(PL_curcop), Strerror(errno)); |
13281fa4 | 2536 | } |
79072805 | 2537 | } |
8d063cd8 | 2538 | |
7b89560d JH |
2539 | /* Mention |
2540 | * I_SYSSTATVFS HAS_FSTATVFS | |
2541 | * I_SYSMOUNT | |
2542 | * I_STATFS HAS_FSTATFS | |
2543 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
2544 | * here so that metaconfig picks them up. */ | |
2545 | ||
104d25b7 | 2546 | #ifdef IAMSUID |
864dbfa3 | 2547 | STATIC int |
e688b231 | 2548 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 2549 | { |
0545a864 JH |
2550 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
2551 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 2552 | /* |
ad27e871 | 2553 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 2554 | * fstatvfs() is UNIX98. |
0545a864 | 2555 | * fstatfs() is 4.3 BSD. |
ad27e871 | 2556 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
2557 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
2558 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
2559 | */ |
2560 | ||
2561 | # ifdef HAS_FSTATVFS | |
2562 | struct statvfs stfs; | |
2563 | check_okay = fstatvfs(fd, &stfs) == 0; | |
2564 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
2565 | # else | |
0545a864 | 2566 | # ifdef PERL_MOUNT_NOSUID |
ad27e871 JH |
2567 | # if defined(HAS_FSTATFS) && \ |
2568 | defined(HAS_STRUCT_STATFS) && \ | |
2569 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
e688b231 | 2570 | struct statfs stfs; |
104d25b7 | 2571 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 2572 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
0545a864 JH |
2573 | # else |
2574 | # if defined(HAS_FSTAT) && \ | |
2575 | defined(HAS_USTAT) && \ | |
ad27e871 | 2576 | defined(HAS_GETMNT) && \ |
65d1664e | 2577 | defined(HAS_STRUCT_FS_DATA) && \ |
ad27e871 | 2578 | defined(NOSTAT_ONE) |
0545a864 JH |
2579 | struct stat fdst; |
2580 | if (fstat(fd, &fdst) == 0) { | |
2581 | struct ustat us; | |
2582 | if (ustat(fdst.st_dev, &us) == 0) { | |
2583 | struct fs_data fsd; | |
ad27e871 JH |
2584 | /* NOSTAT_ONE here because we're not examining fields which |
2585 | * vary between that case and STAT_ONE. */ | |
2586 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { | |
0545a864 JH |
2587 | size_t cmplen = sizeof(us.f_fname); |
2588 | if (sizeof(fsd.fd_req.path) < cmplen) | |
2589 | cmplen = sizeof(fsd.fd_req.path); | |
2590 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
2591 | fdst.st_dev == fsd.fd_req.dev) { | |
2592 | check_okay = 1; | |
2593 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
2594 | } | |
2595 | } | |
2596 | } | |
2597 | } | |
2598 | } | |
ad27e871 JH |
2599 | # endif /* fstat+ustat+getmnt */ |
2600 | # endif /* fstatfs */ | |
104d25b7 | 2601 | # else |
0545a864 JH |
2602 | # if defined(HAS_GETMNTENT) && \ |
2603 | defined(HAS_HASMNTOPT) && \ | |
2604 | defined(MNTOPT_NOSUID) | |
104d25b7 JH |
2605 | FILE *mtab = fopen("/etc/mtab", "r"); |
2606 | struct mntent *entry; | |
2607 | struct stat stb, fsb; | |
2608 | ||
2609 | if (mtab && (fstat(fd, &stb) == 0)) { | |
e688b231 JH |
2610 | while (entry = getmntent(mtab)) { |
2611 | if (stat(entry->mnt_dir, &fsb) == 0 | |
2612 | && fsb.st_dev == stb.st_dev) | |
104d25b7 JH |
2613 | { |
2614 | /* found the filesystem */ | |
2615 | check_okay = 1; | |
2616 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
2617 | on_nosuid = 1; | |
2618 | break; | |
e688b231 | 2619 | } /* A single fs may well fail its stat(). */ |
104d25b7 JH |
2620 | } |
2621 | } | |
2622 | if (mtab) | |
2623 | fclose(mtab); | |
ad27e871 | 2624 | # endif /* getmntent+hasmntopt */ |
0545a864 | 2625 | # endif /* PERL_MOUNT_NOSUID: fstatfs or fstat+ustat+statfs */ |
e688b231 | 2626 | # endif /* statvfs */ |
0545a864 | 2627 | |
104d25b7 | 2628 | if (!check_okay) |
0545a864 | 2629 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
2630 | return on_nosuid; |
2631 | } | |
2632 | #endif /* IAMSUID */ | |
2633 | ||
76e3520e | 2634 | STATIC void |
cea2e8a9 | 2635 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 2636 | { |
96436eeb | 2637 | int which; |
2638 | ||
13281fa4 LW |
2639 | /* do we need to emulate setuid on scripts? */ |
2640 | ||
2641 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2642 | * in the kernel because of a security problem. Merely defining DOSUID | |
2643 | * in perl will not fix that problem, but if you have disabled setuid | |
2644 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2645 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2646 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2647 | * discovers that it has opened a setuid script, it calls suidperl with | |
2648 | * the same argv that it had. If suidperl finds that the script it has | |
2649 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2650 | * uid. We don't just make perl setuid root because that loses the | |
2651 | * effective uid we had before invoking perl, if it was different from the | |
2652 | * uid. | |
13281fa4 LW |
2653 | * |
2654 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2655 | * be defined in suidperl only. suidperl must be setuid root. The | |
2656 | * Configure script will set this up for you if you want it. | |
2657 | */ | |
a687059c | 2658 | |
13281fa4 | 2659 | #ifdef DOSUID |
ea0efc06 | 2660 | dTHR; |
6e72f9df | 2661 | char *s, *s2; |
a0d0e21e | 2662 | |
b28d0864 | 2663 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 2664 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 2665 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2666 | I32 len; |
2d8e6c8d | 2667 | STRLEN n_a; |
13281fa4 | 2668 | |
a687059c | 2669 | #ifdef IAMSUID |
fe14fcc3 | 2670 | #ifndef HAS_SETREUID |
a687059c LW |
2671 | /* On this access check to make sure the directories are readable, |
2672 | * there is actually a small window that the user could use to make | |
2673 | * filename point to an accessible directory. So there is a faint | |
2674 | * chance that someone could execute a setuid script down in a | |
2675 | * non-accessible directory. I don't know what to do about that. | |
2676 | * But I don't think it's too important. The manual lies when | |
2677 | * it says access() is useful in setuid programs. | |
2678 | */ | |
cc49e20b | 2679 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 2680 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
2681 | #else |
2682 | /* If we can swap euid and uid, then we can determine access rights | |
2683 | * with a simple stat of the file, and then compare device and | |
2684 | * inode to make sure we did stat() on the same file we opened. | |
2685 | * Then we just have to make sure he or she can execute it. | |
2686 | */ | |
2687 | { | |
2688 | struct stat tmpstatbuf; | |
2689 | ||
85e6fe83 LW |
2690 | if ( |
2691 | #ifdef HAS_SETREUID | |
b28d0864 | 2692 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
2693 | #else |
2694 | # if HAS_SETRESUID | |
b28d0864 | 2695 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 2696 | # endif |
85e6fe83 | 2697 | #endif |
b28d0864 | 2698 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2699 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 2700 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 2701 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 2702 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 2703 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 2704 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 2705 | #endif |
b28d0864 NIS |
2706 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
2707 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
2708 | (void)PerlIO_close(PL_rsfp); | |
2709 | if (PL_rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ | |
2710 | PerlIO_printf(PL_rsfp, | |
785fb66b JH |
2711 | "User %"Uid_t_f" tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2712 | (Filename of set-id script was %s, uid %"Uid_t_f" gid %"Gid_t_f".)\n\nSincerely,\nperl\n", | |
2713 | PL_uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
b28d0864 | 2714 | (long)PL_statbuf.st_dev, (long)PL_statbuf.st_ino, |
cc49e20b | 2715 | CopFILE(PL_curcop), |
785fb66b | 2716 | PL_statbuf.st_uid, PL_statbuf.st_gid); |
b28d0864 | 2717 | (void)PerlProc_pclose(PL_rsfp); |
a687059c | 2718 | } |
cea2e8a9 | 2719 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2720 | } |
85e6fe83 LW |
2721 | if ( |
2722 | #ifdef HAS_SETREUID | |
b28d0864 | 2723 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
2724 | #else |
2725 | # if defined(HAS_SETRESUID) | |
b28d0864 | 2726 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 2727 | # endif |
85e6fe83 | 2728 | #endif |
b28d0864 | 2729 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 2730 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 2731 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 2732 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2733 | } |
fe14fcc3 | 2734 | #endif /* HAS_SETREUID */ |
a687059c LW |
2735 | #endif /* IAMSUID */ |
2736 | ||
b28d0864 | 2737 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 2738 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 2739 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 2740 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 2741 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 2742 | CopLINE_inc(PL_curcop); |
6b88bc9c | 2743 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 2744 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 2745 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 2746 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 2747 | if (*s == ' ') s++; |
45d8adaa | 2748 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 2749 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 2750 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2751 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 2752 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 2753 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2754 | /* |
2755 | * #! arg must be what we saw above. They can invoke it by | |
2756 | * mentioning suidperl explicitly, but they may not add any strange | |
2757 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2758 | */ | |
2759 | len = strlen(validarg); | |
2760 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2761 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 2762 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
2763 | |
2764 | #ifndef IAMSUID | |
b28d0864 NIS |
2765 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
2766 | PL_euid == PL_statbuf.st_uid) | |
2767 | if (!PL_do_undump) | |
cea2e8a9 | 2768 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2769 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2770 | #endif /* IAMSUID */ | |
13281fa4 | 2771 | |
b28d0864 NIS |
2772 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
2773 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 2774 | #ifndef IAMSUID |
46fc3d4c | 2775 | /* try again */ |
a7cb1f99 | 2776 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
2777 | (int)PERL_REVISION, (int)PERL_VERSION, |
2778 | (int)PERL_SUBVERSION), PL_origargv); | |
13281fa4 | 2779 | #endif |
cea2e8a9 | 2780 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
2781 | } |
2782 | ||
b28d0864 | 2783 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 2784 | #ifdef HAS_SETEGID |
b28d0864 | 2785 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 2786 | #else |
fe14fcc3 | 2787 | #ifdef HAS_SETREGID |
b28d0864 | 2788 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
2789 | #else |
2790 | #ifdef HAS_SETRESGID | |
b28d0864 | 2791 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 2792 | #else |
b28d0864 | 2793 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
2794 | #endif |
2795 | #endif | |
85e6fe83 | 2796 | #endif |
b28d0864 | 2797 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 2798 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 2799 | } |
b28d0864 NIS |
2800 | if (PL_statbuf.st_mode & S_ISUID) { |
2801 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 2802 | #ifdef HAS_SETEUID |
b28d0864 | 2803 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 2804 | #else |
fe14fcc3 | 2805 | #ifdef HAS_SETREUID |
b28d0864 | 2806 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
2807 | #else |
2808 | #ifdef HAS_SETRESUID | |
b28d0864 | 2809 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 2810 | #else |
b28d0864 | 2811 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
2812 | #endif |
2813 | #endif | |
85e6fe83 | 2814 | #endif |
b28d0864 | 2815 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 2816 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 2817 | } |
b28d0864 | 2818 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2819 | #ifdef HAS_SETEUID |
b28d0864 | 2820 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 2821 | #else |
fe14fcc3 | 2822 | #ifdef HAS_SETREUID |
b28d0864 | 2823 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 2824 | #else |
85e6fe83 | 2825 | #ifdef HAS_SETRESUID |
b28d0864 | 2826 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 2827 | #else |
b28d0864 | 2828 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 2829 | #endif |
a687059c LW |
2830 | #endif |
2831 | #endif | |
b28d0864 | 2832 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2833 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 2834 | } |
748a9306 | 2835 | init_ids(); |
b28d0864 | 2836 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 2837 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2838 | } |
2839 | #ifdef IAMSUID | |
6b88bc9c | 2840 | else if (PL_preprocess) |
cea2e8a9 | 2841 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 2842 | else if (fdscript >= 0) |
cea2e8a9 | 2843 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 2844 | else |
cea2e8a9 | 2845 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2846 | |
2847 | /* We absolutely must clear out any saved ids here, so we */ | |
2848 | /* exec the real perl, substituting fd script for scriptname. */ | |
2849 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
2850 | PerlIO_rewind(PL_rsfp); |
2851 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
2852 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
2853 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
2854 | Perl_croak(aTHX_ "Permission denied"); |
2855 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 2856 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 2857 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 2858 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2859 | #endif |
a7cb1f99 | 2860 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
2861 | (int)PERL_REVISION, (int)PERL_VERSION, |
2862 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
cea2e8a9 | 2863 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 2864 | #endif /* IAMSUID */ |
a687059c | 2865 | #else /* !DOSUID */ |
3280af22 | 2866 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 2867 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 | 2868 | dTHR; |
b28d0864 NIS |
2869 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
2870 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 2871 | || |
b28d0864 | 2872 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 2873 | ) |
b28d0864 | 2874 | if (!PL_do_undump) |
cea2e8a9 | 2875 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2876 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2877 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2878 | /* not set-id, must be wrapped */ | |
a687059c | 2879 | } |
13281fa4 | 2880 | #endif /* DOSUID */ |
79072805 | 2881 | } |
13281fa4 | 2882 | |
76e3520e | 2883 | STATIC void |
cea2e8a9 | 2884 | S_find_beginning(pTHX) |
79072805 | 2885 | { |
6e72f9df | 2886 | register char *s, *s2; |
33b78306 LW |
2887 | |
2888 | /* skip forward in input to the real script? */ | |
2889 | ||
bbce6d69 | 2890 | forbid_setid("-x"); |
3280af22 NIS |
2891 | while (PL_doextract) { |
2892 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 2893 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
6e72f9df | 2894 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
3280af22 NIS |
2895 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
2896 | PL_doextract = FALSE; | |
6e72f9df | 2897 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2898 | s2 = s; | |
2899 | while (*s == ' ' || *s == '\t') s++; | |
2900 | if (*s++ == '-') { | |
2901 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2902 | if (strnEQ(s2-4,"perl",4)) | |
2903 | /*SUPPRESS 530*/ | |
2904 | while (s = moreswitches(s)) ; | |
33b78306 | 2905 | } |
83025b21 LW |
2906 | } |
2907 | } | |
2908 | } | |
2909 | ||
afe37c7d | 2910 | |
76e3520e | 2911 | STATIC void |
cea2e8a9 | 2912 | S_init_ids(pTHX) |
352d5a3a | 2913 | { |
d8eceb89 JH |
2914 | PL_uid = PerlProc_getuid(); |
2915 | PL_euid = PerlProc_geteuid(); | |
2916 | PL_gid = PerlProc_getgid(); | |
2917 | PL_egid = PerlProc_getegid(); | |
748a9306 | 2918 | #ifdef VMS |
b28d0864 NIS |
2919 | PL_uid |= PL_gid << 16; |
2920 | PL_euid |= PL_egid << 16; | |
748a9306 | 2921 | #endif |
3280af22 | 2922 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 2923 | } |
79072805 | 2924 | |
76e3520e | 2925 | STATIC void |
cea2e8a9 | 2926 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 2927 | { |
3280af22 | 2928 | if (PL_euid != PL_uid) |
cea2e8a9 | 2929 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 2930 | if (PL_egid != PL_gid) |
cea2e8a9 | 2931 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 2932 | } |
2933 | ||
1ee4443e IZ |
2934 | void |
2935 | Perl_init_debugger(pTHX) | |
748a9306 | 2936 | { |
11343788 | 2937 | dTHR; |
1ee4443e IZ |
2938 | HV *ostash = PL_curstash; |
2939 | ||
3280af22 NIS |
2940 | PL_curstash = PL_debstash; |
2941 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
2942 | AvREAL_off(PL_dbargs); | |
2943 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
2944 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
2945 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 2946 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
3280af22 NIS |
2947 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
2948 | sv_setiv(PL_DBsingle, 0); | |
2949 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); | |
2950 | sv_setiv(PL_DBtrace, 0); | |
2951 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); | |
2952 | sv_setiv(PL_DBsignal, 0); | |
1ee4443e | 2953 | PL_curstash = ostash; |
352d5a3a LW |
2954 | } |
2955 | ||
2ce36478 SM |
2956 | #ifndef STRESS_REALLOC |
2957 | #define REASONABLE(size) (size) | |
2958 | #else | |
2959 | #define REASONABLE(size) (1) /* unreasonable */ | |
2960 | #endif | |
2961 | ||
11343788 | 2962 | void |
cea2e8a9 | 2963 | Perl_init_stacks(pTHX) |
79072805 | 2964 | { |
e336de0d | 2965 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 2966 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 2967 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
2968 | PL_curstackinfo->si_type = PERLSI_MAIN; |
2969 | PL_curstack = PL_curstackinfo->si_stack; | |
2970 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 2971 | |
3280af22 NIS |
2972 | PL_stack_base = AvARRAY(PL_curstack); |
2973 | PL_stack_sp = PL_stack_base; | |
2974 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 2975 | |
3280af22 NIS |
2976 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
2977 | PL_tmps_floor = -1; | |
2978 | PL_tmps_ix = -1; | |
2979 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 2980 | |
3280af22 NIS |
2981 | New(54,PL_markstack,REASONABLE(32),I32); |
2982 | PL_markstack_ptr = PL_markstack; | |
2983 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 2984 | |
ce2f7c3b | 2985 | SET_MARK_OFFSET; |
e336de0d | 2986 | |
3280af22 NIS |
2987 | New(54,PL_scopestack,REASONABLE(32),I32); |
2988 | PL_scopestack_ix = 0; | |
2989 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 2990 | |
3280af22 NIS |
2991 | New(54,PL_savestack,REASONABLE(128),ANY); |
2992 | PL_savestack_ix = 0; | |
2993 | PL_savestack_max = REASONABLE(128); | |
79072805 | 2994 | |
3280af22 NIS |
2995 | New(54,PL_retstack,REASONABLE(16),OP*); |
2996 | PL_retstack_ix = 0; | |
2997 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 2998 | } |
33b78306 | 2999 | |
2ce36478 SM |
3000 | #undef REASONABLE |
3001 | ||
76e3520e | 3002 | STATIC void |
cea2e8a9 | 3003 | S_nuke_stacks(pTHX) |
6e72f9df | 3004 | { |
e858de61 | 3005 | dTHR; |
3280af22 NIS |
3006 | while (PL_curstackinfo->si_next) |
3007 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3008 | while (PL_curstackinfo) { | |
3009 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3010 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3011 | Safefree(PL_curstackinfo->si_cxstack); |
3012 | Safefree(PL_curstackinfo); | |
3013 | PL_curstackinfo = p; | |
e336de0d | 3014 | } |
3280af22 NIS |
3015 | Safefree(PL_tmps_stack); |
3016 | Safefree(PL_markstack); | |
3017 | Safefree(PL_scopestack); | |
3018 | Safefree(PL_savestack); | |
3019 | Safefree(PL_retstack); | |
378cc40b | 3020 | } |
33b78306 | 3021 | |
76e3520e | 3022 | #ifndef PERL_OBJECT |
760ac839 | 3023 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 3024 | #endif |
7aa04957 | 3025 | |
76e3520e | 3026 | STATIC void |
cea2e8a9 | 3027 | S_init_lexer(pTHX) |
8990e307 | 3028 | { |
76e3520e GS |
3029 | #ifdef PERL_OBJECT |
3030 | PerlIO *tmpfp; | |
3031 | #endif | |
3280af22 NIS |
3032 | tmpfp = PL_rsfp; |
3033 | PL_rsfp = Nullfp; | |
3034 | lex_start(PL_linestr); | |
3035 | PL_rsfp = tmpfp; | |
79cb57f6 | 3036 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3037 | } |
3038 | ||
76e3520e | 3039 | STATIC void |
cea2e8a9 | 3040 | S_init_predump_symbols(pTHX) |
45d8adaa | 3041 | { |
11343788 | 3042 | dTHR; |
93a17b20 | 3043 | GV *tmpgv; |
a0d0e21e | 3044 | GV *othergv; |
af8c498a | 3045 | IO *io; |
79072805 | 3046 | |
864dbfa3 | 3047 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3048 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3049 | GvMULTI_on(PL_stdingv); | |
af8c498a GS |
3050 | io = GvIOp(PL_stdingv); |
3051 | IoIFP(io) = PerlIO_stdin(); | |
adbc6bb1 | 3052 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3053 | GvMULTI_on(tmpgv); |
af8c498a | 3054 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3055 | |
85e6fe83 | 3056 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3057 | GvMULTI_on(tmpgv); |
af8c498a GS |
3058 | io = GvIOp(tmpgv); |
3059 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); | |
4633a7c4 | 3060 | setdefout(tmpgv); |
adbc6bb1 | 3061 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3062 | GvMULTI_on(tmpgv); |
af8c498a | 3063 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3064 | |
bf49b057 GS |
3065 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3066 | GvMULTI_on(PL_stderrgv); | |
3067 | io = GvIOp(PL_stderrgv); | |
af8c498a | 3068 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3069 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3070 | GvMULTI_on(tmpgv); |
af8c498a | 3071 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3072 | |
3280af22 | 3073 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3074 | |
3280af22 NIS |
3075 | if (!PL_osname) |
3076 | PL_osname = savepv(OSNAME); | |
79072805 | 3077 | } |
33b78306 | 3078 | |
76e3520e | 3079 | STATIC void |
cea2e8a9 | 3080 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) |
33b78306 | 3081 | { |
a863c7d1 | 3082 | dTHR; |
79072805 LW |
3083 | char *s; |
3084 | SV *sv; | |
3085 | GV* tmpgv; | |
fe14fcc3 | 3086 | |
79072805 | 3087 | argc--,argv++; /* skip name of script */ |
3280af22 | 3088 | if (PL_doswitches) { |
79072805 LW |
3089 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3090 | if (!argv[0][1]) | |
3091 | break; | |
379d538a | 3092 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3093 | argc--,argv++; |
3094 | break; | |
3095 | } | |
93a17b20 | 3096 | if (s = strchr(argv[0], '=')) { |
79072805 | 3097 | *s++ = '\0'; |
85e6fe83 | 3098 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3099 | } |
3100 | else | |
85e6fe83 | 3101 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3102 | } |
79072805 | 3103 | } |
3280af22 NIS |
3104 | PL_toptarget = NEWSV(0,0); |
3105 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3106 | sv_setpvn(PL_toptarget, "", 0); | |
3107 | PL_bodytarget = NEWSV(0,0); | |
3108 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3109 | sv_setpvn(PL_bodytarget, "", 0); | |
3110 | PL_formtarget = PL_bodytarget; | |
79072805 | 3111 | |
bbce6d69 | 3112 | TAINT; |
85e6fe83 | 3113 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
3280af22 | 3114 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 LW |
3115 | magicname("0", "0", 1); |
3116 | } | |
85e6fe83 | 3117 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
ed344e4f IZ |
3118 | #ifdef OS2 |
3119 | sv_setpv(GvSV(tmpgv), os2_execname()); | |
3120 | #else | |
3280af22 | 3121 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); |
ed344e4f | 3122 | #endif |
3280af22 NIS |
3123 | if (PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
3124 | GvMULTI_on(PL_argvgv); | |
3125 | (void)gv_AVadd(PL_argvgv); | |
3126 | av_clear(GvAVn(PL_argvgv)); | |
79072805 | 3127 | for (; argc > 0; argc--,argv++) { |
3280af22 | 3128 | av_push(GvAVn(PL_argvgv),newSVpv(argv[0],0)); |
79072805 LW |
3129 | } |
3130 | } | |
3280af22 | 3131 | if (PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 3132 | HV *hv; |
3280af22 NIS |
3133 | GvMULTI_on(PL_envgv); |
3134 | hv = GvHVn(PL_envgv); | |
3135 | hv_magic(hv, PL_envgv, 'E'); | |
4d2c4e07 | 3136 | #if !defined( VMS) && !defined(EPOC) /* VMS doesn't have environ array */ |
4633a7c4 LW |
3137 | /* Note that if the supplied env parameter is actually a copy |
3138 | of the global environ then it may now point to free'd memory | |
3139 | if the environment has been modified since. To avoid this | |
3140 | problem we treat env==NULL as meaning 'use the default' | |
3141 | */ | |
3142 | if (!env) | |
3143 | env = environ; | |
5aabfad6 | 3144 | if (env != environ) |
79072805 LW |
3145 | environ[0] = Nullch; |
3146 | for (; *env; env++) { | |
93a17b20 | 3147 | if (!(s = strchr(*env,'='))) |
79072805 LW |
3148 | continue; |
3149 | *s++ = '\0'; | |
60ce6247 | 3150 | #if defined(MSDOS) |
137443ea | 3151 | (void)strupr(*env); |
3152 | #endif | |
79072805 LW |
3153 | sv = newSVpv(s--,0); |
3154 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
3155 | *s = '='; | |
3e3baf6d TB |
3156 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
3157 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 3158 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 3159 | #endif |
fe14fcc3 | 3160 | } |
4550b24a | 3161 | #endif |
3162 | #ifdef DYNAMIC_ENV_FETCH | |
3163 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
3164 | #endif | |
79072805 | 3165 | } |
bbce6d69 | 3166 | TAINT_NOT; |
85e6fe83 | 3167 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
7766f137 | 3168 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
33b78306 | 3169 | } |
34de22dd | 3170 | |
76e3520e | 3171 | STATIC void |
cea2e8a9 | 3172 | S_init_perllib(pTHX) |
34de22dd | 3173 | { |
85e6fe83 | 3174 | char *s; |
3280af22 | 3175 | if (!PL_tainting) { |
552a7a9b | 3176 | #ifndef VMS |
76e3520e | 3177 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 3178 | if (s) |
774d564b | 3179 | incpush(s, TRUE); |
85e6fe83 | 3180 | else |
76e3520e | 3181 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 3182 | #else /* VMS */ |
3183 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
3184 | * "natural" VMS idiom for a Unix path string. We allow each | |
3185 | * element to be a set of |-separated directories for compatibility. | |
3186 | */ | |
3187 | char buf[256]; | |
3188 | int idx = 0; | |
3189 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 3190 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 3191 | else |
774d564b | 3192 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 3193 | #endif /* VMS */ |
85e6fe83 | 3194 | } |
34de22dd | 3195 | |
c90c0ff4 | 3196 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 3197 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 3198 | */ |
4633a7c4 | 3199 | #ifdef APPLLIB_EXP |
43051805 | 3200 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 3201 | #endif |
4633a7c4 | 3202 | |
fed7345c | 3203 | #ifdef ARCHLIB_EXP |
774d564b | 3204 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 3205 | #endif |
fed7345c AD |
3206 | #ifndef PRIVLIB_EXP |
3207 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 3208 | #endif |
00dc2f4f GS |
3209 | #if defined(WIN32) |
3210 | incpush(PRIVLIB_EXP, TRUE); | |
3211 | #else | |
774d564b | 3212 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 3213 | #endif |
4633a7c4 | 3214 | |
4b03c463 GS |
3215 | #if defined(WIN32) |
3216 | incpush(SITELIB_EXP, TRUE); /* XXX Win32 needs inc_version_list support */ | |
3217 | #else | |
4633a7c4 | 3218 | #ifdef SITELIB_EXP |
29d82f8d | 3219 | { |
189d1e8d GS |
3220 | char *path = SITELIB_EXP; |
3221 | ||
3222 | if (path) { | |
3223 | char buf[1024]; | |
3224 | strcpy(buf,path); | |
3225 | if (strrchr(buf,'/')) /* XXX Hack, Configure var needed */ | |
3226 | *strrchr(buf,'/') = '\0'; | |
3227 | incpush(buf, TRUE); | |
3228 | } | |
29d82f8d | 3229 | } |
81c6dfba | 3230 | #endif |
4b03c463 | 3231 | #endif |
a3635516 JH |
3232 | #if defined(PERL_VENDORLIB_EXP) |
3233 | #if defined(WIN32) | |
265f5c4a | 3234 | incpush(PERL_VENDORLIB_EXP, TRUE); |
a3635516 JH |
3235 | #else |
3236 | incpush(PERL_VENDORLIB_EXP, FALSE); | |
3237 | #endif | |
00dc2f4f | 3238 | #endif |
3280af22 | 3239 | if (!PL_tainting) |
774d564b | 3240 | incpush(".", FALSE); |
3241 | } | |
3242 | ||
3243 | #if defined(DOSISH) | |
3244 | # define PERLLIB_SEP ';' | |
3245 | #else | |
3246 | # if defined(VMS) | |
3247 | # define PERLLIB_SEP '|' | |
3248 | # else | |
3249 | # define PERLLIB_SEP ':' | |
3250 | # endif | |
3251 | #endif | |
3252 | #ifndef PERLLIB_MANGLE | |
3253 | # define PERLLIB_MANGLE(s,n) (s) | |
3254 | #endif | |
3255 | ||
76e3520e | 3256 | STATIC void |
cea2e8a9 | 3257 | S_incpush(pTHX_ char *p, int addsubdirs) |
774d564b | 3258 | { |
3259 | SV *subdir = Nullsv; | |
774d564b | 3260 | |
3261 | if (!p) | |
3262 | return; | |
3263 | ||
3264 | if (addsubdirs) { | |
00db4c45 | 3265 | subdir = sv_newmortal(); |
774d564b | 3266 | } |
3267 | ||
3268 | /* Break at all separators */ | |
3269 | while (p && *p) { | |
8c52afec | 3270 | SV *libdir = NEWSV(55,0); |
774d564b | 3271 | char *s; |
3272 | ||
3273 | /* skip any consecutive separators */ | |
3274 | while ( *p == PERLLIB_SEP ) { | |
3275 | /* Uncomment the next line for PATH semantics */ | |
79cb57f6 | 3276 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ |
774d564b | 3277 | p++; |
3278 | } | |
3279 | ||
3280 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
3281 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
3282 | (STRLEN)(s - p)); | |
3283 | p = s + 1; | |
3284 | } | |
3285 | else { | |
3286 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
3287 | p = Nullch; /* break out */ | |
3288 | } | |
3289 | ||
3290 | /* | |
3291 | * BEFORE pushing libdir onto @INC we may first push version- and | |
3292 | * archname-specific sub-directories. | |
3293 | */ | |
3294 | if (addsubdirs) { | |
29d82f8d | 3295 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
3296 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
3297 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
3298 | const char **incver; |
3299 | #endif | |
774d564b | 3300 | struct stat tmpstatbuf; |
aa689395 | 3301 | #ifdef VMS |
3302 | char *unix; | |
3303 | STRLEN len; | |
774d564b | 3304 | |
2d8e6c8d | 3305 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 3306 | len = strlen(unix); |
3307 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
3308 | sv_usepvn(libdir,unix,len); | |
3309 | } | |
3310 | else | |
bf49b057 | 3311 | PerlIO_printf(Perl_error_log, |
aa689395 | 3312 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 3313 | SvPV(libdir,len)); |
aa689395 | 3314 | #endif |
29d82f8d GS |
3315 | /* .../version/archname if -d .../version/archname */ |
3316 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/"PERL_FS_VER_FMT"/%s", libdir, | |
3317 | (int)PERL_REVISION, (int)PERL_VERSION, | |
3318 | (int)PERL_SUBVERSION, ARCHNAME); | |
76e3520e | 3319 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 3320 | S_ISDIR(tmpstatbuf.st_mode)) |
29d82f8d | 3321 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); |
774d564b | 3322 | |
29d82f8d GS |
3323 | /* .../version if -d .../version */ |
3324 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/"PERL_FS_VER_FMT, libdir, | |
3325 | (int)PERL_REVISION, (int)PERL_VERSION, | |
3326 | (int)PERL_SUBVERSION); | |
76e3520e | 3327 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 3328 | S_ISDIR(tmpstatbuf.st_mode)) |
29d82f8d GS |
3329 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); |
3330 | ||
4b03c463 GS |
3331 | /* .../archname if -d .../archname */ |
3332 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/%s", libdir, ARCHNAME); | |
3333 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3334 | S_ISDIR(tmpstatbuf.st_mode)) | |
3335 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
3336 | ||
29d82f8d | 3337 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 3338 | for (incver = incverlist; *incver; incver++) { |
29d82f8d GS |
3339 | /* .../xxx if -d .../xxx */ |
3340 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf"/%s", libdir, *incver); | |
3341 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3342 | S_ISDIR(tmpstatbuf.st_mode)) | |
3343 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
29d82f8d GS |
3344 | } |
3345 | #endif | |
774d564b | 3346 | } |
3347 | ||
3348 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 3349 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 3350 | } |
34de22dd | 3351 | } |
93a17b20 | 3352 | |
199100c8 | 3353 | #ifdef USE_THREADS |
76e3520e | 3354 | STATIC struct perl_thread * |
cea2e8a9 | 3355 | S_init_main_thread(pTHX) |
199100c8 | 3356 | { |
c5be433b | 3357 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 3358 | struct perl_thread *thr; |
cea2e8a9 | 3359 | #endif |
199100c8 MB |
3360 | XPV *xpv; |
3361 | ||
52e1cb5e | 3362 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 3363 | PL_curcop = &PL_compiling; |
c5be433b | 3364 | thr->interp = PERL_GET_INTERP; |
199100c8 | 3365 | thr->cvcache = newHV(); |
54b9620d | 3366 | thr->threadsv = newAV(); |
940cb80d | 3367 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
3368 | thr->specific = newAV(); |
3369 | thr->flags = THRf_R_JOINABLE; | |
3370 | MUTEX_INIT(&thr->mutex); | |
3371 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 3372 | New(53, PL_thrsv, 1, SV); |
199100c8 | 3373 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
3374 | SvFLAGS(PL_thrsv) = SVt_PV; |
3375 | SvANY(PL_thrsv) = (void*)xpv; | |
3376 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
3377 | SvPVX(PL_thrsv) = (char*)thr; | |
3378 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
3379 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
3380 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
3381 | thr->oursv = PL_thrsv; | |
3382 | PL_chopset = " \n-"; | |
3967c732 | 3383 | PL_dumpindent = 4; |
533c011a NIS |
3384 | |
3385 | MUTEX_LOCK(&PL_threads_mutex); | |
3386 | PL_nthreads++; | |
199100c8 MB |
3387 | thr->tid = 0; |
3388 | thr->next = thr; | |
3389 | thr->prev = thr; | |
533c011a | 3390 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 3391 | |
4b026b9e | 3392 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 3393 | Perl_init_thread_intern(thr); |
235db74f GS |
3394 | #endif |
3395 | ||
3396 | #ifdef SET_THREAD_SELF | |
3397 | SET_THREAD_SELF(thr); | |
199100c8 MB |
3398 | #else |
3399 | thr->self = pthread_self(); | |
235db74f | 3400 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
3401 | SET_THR(thr); |
3402 | ||
3403 | /* | |
3404 | * These must come after the SET_THR because sv_setpvn does | |
3405 | * SvTAINT and the taint fields require dTHR. | |
3406 | */ | |
533c011a NIS |
3407 | PL_toptarget = NEWSV(0,0); |
3408 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3409 | sv_setpvn(PL_toptarget, "", 0); | |
3410 | PL_bodytarget = NEWSV(0,0); | |
3411 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3412 | sv_setpvn(PL_bodytarget, "", 0); | |
3413 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 3414 | thr->errsv = newSVpvn("", 0); |
78857c3c | 3415 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 3416 | |
533c011a | 3417 | PL_maxscream = -1; |
0b94c7bb GS |
3418 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
3419 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
3420 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
3421 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
3422 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
3423 | PL_regindent = 0; |
3424 | PL_reginterp_cnt = 0; | |
5c0ca799 | 3425 | |
199100c8 MB |
3426 | return thr; |
3427 | } | |
3428 | #endif /* USE_THREADS */ | |
3429 | ||
93a17b20 | 3430 | void |
864dbfa3 | 3431 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 3432 | { |
11343788 | 3433 | dTHR; |
971a9dd3 | 3434 | SV *atsv; |
57843af0 | 3435 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 3436 | CV *cv; |
22921e25 | 3437 | STRLEN len; |
6224f72b | 3438 | int ret; |
db36c5a1 | 3439 | dJMPENV; |
93a17b20 | 3440 | |
76e3520e | 3441 | while (AvFILL(paramList) >= 0) { |
312caa8e | 3442 | cv = (CV*)av_shift(paramList); |
8990e307 | 3443 | SAVEFREESV(cv); |
14dd3ad8 GS |
3444 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
3445 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv); | |
3446 | #else | |
3447 | JMPENV_PUSH(ret); | |
3448 | #endif | |
6224f72b | 3449 | switch (ret) { |
312caa8e | 3450 | case 0: |
14dd3ad8 GS |
3451 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
3452 | call_list_body(cv); | |
3453 | #endif | |
971a9dd3 | 3454 | atsv = ERRSV; |
312caa8e CS |
3455 | (void)SvPV(atsv, len); |
3456 | if (len) { | |
971a9dd3 | 3457 | STRLEN n_a; |
312caa8e | 3458 | PL_curcop = &PL_compiling; |
57843af0 | 3459 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
3460 | if (paramList == PL_beginav) |
3461 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
3462 | else | |
4f25aa18 GS |
3463 | Perl_sv_catpvf(aTHX_ atsv, |
3464 | "%s failed--call queue aborted", | |
7d30b5c4 | 3465 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
3466 | : paramList == PL_initav ? "INIT" |
3467 | : "END"); | |
312caa8e CS |
3468 | while (PL_scopestack_ix > oldscope) |
3469 | LEAVE; | |
14dd3ad8 | 3470 | JMPENV_POP; |
971a9dd3 | 3471 | Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a)); |
a0d0e21e | 3472 | } |
85e6fe83 | 3473 | break; |
6224f72b | 3474 | case 1: |
f86702cc | 3475 | STATUS_ALL_FAILURE; |
85e6fe83 | 3476 | /* FALL THROUGH */ |
6224f72b | 3477 | case 2: |
85e6fe83 | 3478 | /* my_exit() was called */ |
3280af22 | 3479 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 3480 | LEAVE; |
84902520 | 3481 | FREETMPS; |
3280af22 | 3482 | PL_curstash = PL_defstash; |
3280af22 | 3483 | PL_curcop = &PL_compiling; |
57843af0 | 3484 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 3485 | JMPENV_POP; |
cc3604b1 | 3486 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 3487 | if (paramList == PL_beginav) |
cea2e8a9 | 3488 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 3489 | else |
4f25aa18 | 3490 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 3491 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
3492 | : paramList == PL_initav ? "INIT" |
3493 | : "END"); | |
85e6fe83 | 3494 | } |
f86702cc | 3495 | my_exit_jump(); |
85e6fe83 | 3496 | /* NOTREACHED */ |
6224f72b | 3497 | case 3: |
312caa8e CS |
3498 | if (PL_restartop) { |
3499 | PL_curcop = &PL_compiling; | |
57843af0 | 3500 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 3501 | JMPENV_JUMP(3); |
85e6fe83 | 3502 | } |
bf49b057 | 3503 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
3504 | FREETMPS; |
3505 | break; | |
8990e307 | 3506 | } |
14dd3ad8 | 3507 | JMPENV_POP; |
93a17b20 | 3508 | } |
93a17b20 | 3509 | } |
93a17b20 | 3510 | |
14dd3ad8 | 3511 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 3512 | STATIC void * |
14dd3ad8 | 3513 | S_vcall_list_body(pTHX_ va_list args) |
312caa8e | 3514 | { |
312caa8e | 3515 | CV *cv = va_arg(args, CV*); |
14dd3ad8 GS |
3516 | return call_list_body(cv); |
3517 | } | |
3518 | #endif | |
312caa8e | 3519 | |
14dd3ad8 GS |
3520 | STATIC void * |
3521 | S_call_list_body(pTHX_ CV *cv) | |
3522 | { | |
312caa8e | 3523 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 3524 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
3525 | return NULL; |
3526 | } | |
3527 | ||
f86702cc | 3528 | void |
864dbfa3 | 3529 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 3530 | { |
5dc0d613 MB |
3531 | dTHR; |
3532 | ||
8b73bbec | 3533 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 3534 | thr, (unsigned long) status)); |
f86702cc | 3535 | switch (status) { |
3536 | case 0: | |
3537 | STATUS_ALL_SUCCESS; | |
3538 | break; | |
3539 | case 1: | |
3540 | STATUS_ALL_FAILURE; | |
3541 | break; | |
3542 | default: | |
3543 | STATUS_NATIVE_SET(status); | |
3544 | break; | |
3545 | } | |
3546 | my_exit_jump(); | |
3547 | } | |
3548 | ||
3549 | void | |
864dbfa3 | 3550 | Perl_my_failure_exit(pTHX) |
f86702cc | 3551 | { |
3552 | #ifdef VMS | |
3553 | if (vaxc$errno & 1) { | |
4fdae800 | 3554 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
3555 | STATUS_NATIVE_SET(44); | |
f86702cc | 3556 | } |
3557 | else { | |
ff0cee69 | 3558 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 3559 | STATUS_NATIVE_SET(44); |
f86702cc | 3560 | else |
4fdae800 | 3561 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 3562 | } |
3563 | #else | |
9b599b2a | 3564 | int exitstatus; |
f86702cc | 3565 | if (errno & 255) |
3566 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
3567 | else { |
3568 | exitstatus = STATUS_POSIX >> 8; | |
3569 | if (exitstatus & 255) | |
3570 | STATUS_POSIX_SET(exitstatus); | |
3571 | else | |
3572 | STATUS_POSIX_SET(255); | |
3573 | } | |
f86702cc | 3574 | #endif |
3575 | my_exit_jump(); | |
93a17b20 LW |
3576 | } |
3577 | ||
76e3520e | 3578 | STATIC void |
cea2e8a9 | 3579 | S_my_exit_jump(pTHX) |
f86702cc | 3580 | { |
de616352 | 3581 | dTHR; |
c09156bb | 3582 | register PERL_CONTEXT *cx; |
f86702cc | 3583 | I32 gimme; |
3584 | SV **newsp; | |
3585 | ||
3280af22 NIS |
3586 | if (PL_e_script) { |
3587 | SvREFCNT_dec(PL_e_script); | |
3588 | PL_e_script = Nullsv; | |
f86702cc | 3589 | } |
3590 | ||
3280af22 | 3591 | POPSTACK_TO(PL_mainstack); |
f86702cc | 3592 | if (cxstack_ix >= 0) { |
3593 | if (cxstack_ix > 0) | |
3594 | dounwind(0); | |
3280af22 | 3595 | POPBLOCK(cx,PL_curpm); |
f86702cc | 3596 | LEAVE; |
3597 | } | |
ff0cee69 | 3598 | |
6224f72b | 3599 | JMPENV_JUMP(2); |
f86702cc | 3600 | } |
873ef191 | 3601 | |
7a5f8e82 | 3602 | #ifdef PERL_OBJECT |
873ef191 | 3603 | #include "XSUB.h" |
51371543 | 3604 | #endif |
873ef191 | 3605 | |
0cb96387 GS |
3606 | static I32 |
3607 | read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen) | |
873ef191 GS |
3608 | { |
3609 | char *p, *nl; | |
3280af22 | 3610 | p = SvPVX(PL_e_script); |
873ef191 | 3611 | nl = strchr(p, '\n'); |
3280af22 | 3612 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 3613 | if (nl-p == 0) { |
0cb96387 | 3614 | filter_del(read_e_script); |
873ef191 | 3615 | return 0; |
7dfe3f66 | 3616 | } |
873ef191 | 3617 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 3618 | sv_chop(PL_e_script, nl); |
873ef191 GS |
3619 | return 1; |
3620 | } |