Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
4eb8286e | 3 | * Copyright (c) 1987-1999 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" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
20ce7b12 | 24 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 25 | #endif |
26 | ||
0cb96387 GS |
27 | static I32 read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen); |
28 | ||
51fa4eea JH |
29 | #ifdef I_FCNTL |
30 | #include <fcntl.h> | |
31 | #endif | |
32 | #ifdef I_SYS_FILE | |
33 | #include <sys/file.h> | |
34 | #endif | |
35 | ||
a687059c LW |
36 | #ifdef IAMSUID |
37 | #ifndef DOSUID | |
38 | #define DOSUID | |
39 | #endif | |
40 | #endif | |
378cc40b | 41 | |
a687059c LW |
42 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
43 | #ifdef DOSUID | |
44 | #undef DOSUID | |
45 | #endif | |
46 | #endif | |
8d063cd8 | 47 | |
873ef191 | 48 | #ifdef PERL_OBJECT |
01f988be | 49 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, |
864dbfa3 | 50 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) |
01f988be GS |
51 | { |
52 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); | |
53 | if(pPerl != NULL) | |
54 | pPerl->Init(); | |
79072805 | 55 | |
01f988be GS |
56 | return pPerl; |
57 | } | |
58 | #else | |
93a17b20 | 59 | PerlInterpreter * |
cea2e8a9 | 60 | perl_alloc(void) |
79072805 | 61 | { |
cea2e8a9 | 62 | PerlInterpreter *my_perl; |
79072805 | 63 | |
cea2e8a9 | 64 | New(53, my_perl, 1, PerlInterpreter); |
c5be433b | 65 | PERL_SET_INTERP(my_perl); |
cea2e8a9 | 66 | return my_perl; |
79072805 | 67 | } |
01f988be | 68 | #endif /* PERL_OBJECT */ |
79072805 LW |
69 | |
70 | void | |
0cb96387 | 71 | perl_construct(pTHXx) |
79072805 | 72 | { |
a863c7d1 MB |
73 | #ifdef USE_THREADS |
74 | int i; | |
75 | #ifndef FAKE_THREADS | |
52e1cb5e | 76 | struct perl_thread *thr; |
a863c7d1 MB |
77 | #endif /* FAKE_THREADS */ |
78 | #endif /* USE_THREADS */ | |
11343788 | 79 | |
8990e307 | 80 | #ifdef MULTIPLICITY |
cea2e8a9 | 81 | Zero(my_perl, 1, PerlInterpreter); |
8990e307 | 82 | #endif |
79072805 | 83 | |
33f46ff6 | 84 | /* Init the real globals (and main thread)? */ |
3280af22 | 85 | if (!PL_linestr) { |
11343788 | 86 | #ifdef USE_THREADS |
8023c3ce | 87 | |
33f46ff6 | 88 | INIT_THREADS; |
d55594ae GS |
89 | #ifdef ALLOC_THREAD_KEY |
90 | ALLOC_THREAD_KEY; | |
91 | #else | |
533c011a | 92 | if (pthread_key_create(&PL_thr_key, 0)) |
cea2e8a9 | 93 | Perl_croak(aTHX_ "panic: pthread_key_create"); |
d55594ae | 94 | #endif |
533c011a | 95 | MUTEX_INIT(&PL_sv_mutex); |
a863c7d1 MB |
96 | /* |
97 | * Safe to use basic SV functions from now on (though | |
98 | * not things like mortals or tainting yet). | |
99 | */ | |
533c011a NIS |
100 | MUTEX_INIT(&PL_eval_mutex); |
101 | COND_INIT(&PL_eval_cond); | |
102 | MUTEX_INIT(&PL_threads_mutex); | |
103 | COND_INIT(&PL_nthreads_cond); | |
dce16143 | 104 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
533c011a | 105 | MUTEX_INIT(&PL_svref_mutex); |
dce16143 | 106 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 | 107 | |
5ff3f7a4 GS |
108 | MUTEX_INIT(&PL_cred_mutex); |
109 | ||
199100c8 | 110 | thr = init_main_thread(); |
11343788 MB |
111 | #endif /* USE_THREADS */ |
112 | ||
0b94c7bb | 113 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
312caa8e | 114 | |
2aea9f8a GS |
115 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
116 | ||
3280af22 NIS |
117 | PL_linestr = NEWSV(65,79); |
118 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 119 | |
3280af22 | 120 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
121 | /* set read-only and try to insure than we wont see REFCNT==0 |
122 | very often */ | |
123 | ||
3280af22 NIS |
124 | SvREADONLY_on(&PL_sv_undef); |
125 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 126 | |
3280af22 NIS |
127 | sv_setpv(&PL_sv_no,PL_No); |
128 | SvNV(&PL_sv_no); | |
129 | SvREADONLY_on(&PL_sv_no); | |
130 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 131 | |
3280af22 NIS |
132 | sv_setpv(&PL_sv_yes,PL_Yes); |
133 | SvNV(&PL_sv_yes); | |
134 | SvREADONLY_on(&PL_sv_yes); | |
135 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 136 | } |
79072805 | 137 | |
76e3520e GS |
138 | #ifdef PERL_OBJECT |
139 | /* TODO: */ | |
6b88bc9c | 140 | /* PL_sighandlerp = sighandler; */ |
76e3520e | 141 | #else |
cea2e8a9 | 142 | PL_sighandlerp = Perl_sighandler; |
76e3520e | 143 | #endif |
3280af22 | 144 | PL_pidstatus = newHV(); |
44a8e56a | 145 | |
79072805 LW |
146 | #ifdef MSDOS |
147 | /* | |
148 | * There is no way we can refer to them from Perl so close them to save | |
149 | * space. The other alternative would be to provide STDAUX and STDPRN | |
150 | * filehandles. | |
151 | */ | |
152 | (void)fclose(stdaux); | |
153 | (void)fclose(stdprn); | |
154 | #endif | |
155 | } | |
156 | ||
79cb57f6 | 157 | PL_nrs = newSVpvn("\n", 1); |
3280af22 | 158 | PL_rs = SvREFCNT_inc(PL_nrs); |
dc92893f | 159 | |
cea2e8a9 | 160 | init_stacks(); |
8990e307 | 161 | #ifdef MULTIPLICITY |
cb68f92d | 162 | init_interp(); |
8f872242 | 163 | PL_perl_destruct_level = 1; |
8ebc5c01 | 164 | #else |
3280af22 | 165 | if (PL_perl_destruct_level > 0) |
cb68f92d | 166 | init_interp(); |
79072805 LW |
167 | #endif |
168 | ||
748a9306 | 169 | init_ids(); |
3280af22 | 170 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 171 | |
312caa8e | 172 | JMPENV_BOOTSTRAP; |
f86702cc | 173 | STATUS_ALL_SUCCESS; |
174 | ||
0672f40e | 175 | init_i18nl10n(1); |
36477c24 | 176 | SET_NUMERIC_STANDARD(); |
cceca5ed GS |
177 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
178 | sprintf(PL_patchlevel, "%7.5f", (double) PERL_REVISION | |
179 | + ((double) PERL_VERSION / (double) 1000) | |
180 | + ((double) PERL_SUBVERSION / (double) 100000)); | |
a5f75d66 | 181 | #else |
cceca5ed GS |
182 | sprintf(PL_patchlevel, "%5.3f", (double) PERL_REVISION + |
183 | ((double) PERL_VERSION / (double) 1000)); | |
a5f75d66 | 184 | #endif |
79072805 | 185 | |
ab821d7f | 186 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 187 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 188 | #endif |
189 | ||
4b556e6c | 190 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 191 | |
3280af22 NIS |
192 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
193 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 194 | |
11343788 | 195 | DEBUG( { |
3280af22 NIS |
196 | New(51,PL_debname,128,char); |
197 | New(52,PL_debdelim,128,char); | |
11343788 MB |
198 | } ) |
199 | ||
8990e307 | 200 | ENTER; |
79072805 LW |
201 | } |
202 | ||
203 | void | |
0cb96387 | 204 | perl_destruct(pTHXx) |
79072805 | 205 | { |
11343788 | 206 | dTHR; |
748a9306 | 207 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 208 | I32 last_sv_count; |
a0d0e21e | 209 | HV *hv; |
1f2bfc8a | 210 | #ifdef USE_THREADS |
33f46ff6 | 211 | Thread t; |
cea2e8a9 | 212 | dTHX; |
1f2bfc8a | 213 | #endif /* USE_THREADS */ |
8990e307 | 214 | |
11343788 | 215 | #ifdef USE_THREADS |
0f15f207 | 216 | #ifndef FAKE_THREADS |
8023c3ce MB |
217 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
218 | retry_cleanup: | |
533c011a | 219 | MUTEX_LOCK(&PL_threads_mutex); |
8b73bbec | 220 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 221 | "perl_destruct: waiting for %d threads...\n", |
533c011a | 222 | PL_nthreads - 1)); |
33f46ff6 | 223 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 MB |
224 | MUTEX_LOCK(&t->mutex); |
225 | switch (ThrSTATE(t)) { | |
226 | AV *av; | |
c7848ba1 | 227 | case THRf_ZOMBIE: |
8b73bbec | 228 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 229 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 MB |
230 | ThrSETSTATE(t, THRf_DEAD); |
231 | MUTEX_UNLOCK(&t->mutex); | |
533c011a | 232 | PL_nthreads--; |
8023c3ce MB |
233 | /* |
234 | * The SvREFCNT_dec below may take a long time (e.g. av | |
235 | * may contain an object scalar whose destructor gets | |
236 | * called) so we have to unlock threads_mutex and start | |
237 | * all over again. | |
238 | */ | |
533c011a | 239 | MUTEX_UNLOCK(&PL_threads_mutex); |
ea0efc06 | 240 | JOIN(t, &av); |
605e5515 | 241 | SvREFCNT_dec((SV*)av); |
8b73bbec | 242 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 243 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce | 244 | goto retry_cleanup; |
c7848ba1 | 245 | case THRf_R_JOINABLE: |
8b73bbec | 246 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 MB |
247 | "perl_destruct: detaching thread %p\n", t)); |
248 | ThrSETSTATE(t, THRf_R_DETACHED); | |
249 | /* | |
250 | * We unlock threads_mutex and t->mutex in the opposite order | |
251 | * from which we locked them just so that DETACH won't | |
252 | * deadlock if it panics. It's only a breach of good style | |
253 | * not a bug since they are unlocks not locks. | |
254 | */ | |
533c011a | 255 | MUTEX_UNLOCK(&PL_threads_mutex); |
c7848ba1 MB |
256 | DETACH(t); |
257 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 258 | goto retry_cleanup; |
c7848ba1 | 259 | default: |
8b73bbec | 260 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 MB |
261 | "perl_destruct: ignoring %p (state %u)\n", |
262 | t, ThrSTATE(t))); | |
263 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 264 | /* fall through and out */ |
33f46ff6 MB |
265 | } |
266 | } | |
8023c3ce MB |
267 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
268 | ||
269 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
533c011a | 270 | while (PL_nthreads > 1) |
11343788 | 271 | { |
8b73bbec | 272 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 273 | "perl_destruct: final wait for %d threads\n", |
533c011a NIS |
274 | PL_nthreads - 1)); |
275 | COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex); | |
11343788 MB |
276 | } |
277 | /* At this point, we're the last thread */ | |
533c011a | 278 | MUTEX_UNLOCK(&PL_threads_mutex); |
8b73bbec | 279 | DEBUG_S(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
533c011a NIS |
280 | MUTEX_DESTROY(&PL_threads_mutex); |
281 | COND_DESTROY(&PL_nthreads_cond); | |
0f15f207 | 282 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
283 | #endif /* USE_THREADS */ |
284 | ||
3280af22 | 285 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
286 | #ifdef DEBUGGING |
287 | { | |
288 | char *s; | |
76e3520e | 289 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 290 | int i = atoi(s); |
291 | if (destruct_level < i) | |
292 | destruct_level = i; | |
293 | } | |
4633a7c4 LW |
294 | } |
295 | #endif | |
296 | ||
8990e307 | 297 | LEAVE; |
a0d0e21e LW |
298 | FREETMPS; |
299 | ||
ff0cee69 | 300 | /* We must account for everything. */ |
301 | ||
302 | /* Destroy the main CV and syntax tree */ | |
3280af22 NIS |
303 | if (PL_main_root) { |
304 | PL_curpad = AvARRAY(PL_comppad); | |
305 | op_free(PL_main_root); | |
306 | PL_main_root = Nullop; | |
a0d0e21e | 307 | } |
3280af22 NIS |
308 | PL_curcop = &PL_compiling; |
309 | PL_main_start = Nullop; | |
310 | SvREFCNT_dec(PL_main_cv); | |
311 | PL_main_cv = Nullcv; | |
24d3c518 | 312 | PL_dirty = TRUE; |
ff0cee69 | 313 | |
3280af22 | 314 | if (PL_sv_objcount) { |
a0d0e21e LW |
315 | /* |
316 | * Try to destruct global references. We do this first so that the | |
317 | * destructors and destructees still exist. Some sv's might remain. | |
318 | * Non-referenced objects are on their own. | |
319 | */ | |
a0d0e21e | 320 | sv_clean_objs(); |
8990e307 LW |
321 | } |
322 | ||
5cd24f17 | 323 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
324 | SvREFCNT_dec(PL_warnhook); |
325 | PL_warnhook = Nullsv; | |
326 | SvREFCNT_dec(PL_diehook); | |
327 | PL_diehook = Nullsv; | |
328 | SvREFCNT_dec(PL_parsehook); | |
329 | PL_parsehook = Nullsv; | |
5cd24f17 | 330 | |
4b556e6c | 331 | /* call exit list functions */ |
3280af22 | 332 | while (PL_exitlistlen-- > 0) |
0cb96387 | 333 | PL_exitlist[PL_exitlistlen].fn(aTHXo_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 334 | |
3280af22 | 335 | Safefree(PL_exitlist); |
4b556e6c | 336 | |
a0d0e21e | 337 | if (destruct_level == 0){ |
8990e307 | 338 | |
a0d0e21e LW |
339 | DEBUG_P(debprofdump()); |
340 | ||
341 | /* The exit() function will do everything that needs doing. */ | |
342 | return; | |
343 | } | |
5dd60ef7 | 344 | |
5f05dabc | 345 | /* loosen bonds of global variables */ |
346 | ||
3280af22 NIS |
347 | if(PL_rsfp) { |
348 | (void)PerlIO_close(PL_rsfp); | |
349 | PL_rsfp = Nullfp; | |
8ebc5c01 | 350 | } |
351 | ||
352 | /* Filters for program text */ | |
3280af22 NIS |
353 | SvREFCNT_dec(PL_rsfp_filters); |
354 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 355 | |
356 | /* switches */ | |
3280af22 NIS |
357 | PL_preprocess = FALSE; |
358 | PL_minus_n = FALSE; | |
359 | PL_minus_p = FALSE; | |
360 | PL_minus_l = FALSE; | |
361 | PL_minus_a = FALSE; | |
362 | PL_minus_F = FALSE; | |
363 | PL_doswitches = FALSE; | |
599cee73 | 364 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
365 | PL_doextract = FALSE; |
366 | PL_sawampersand = FALSE; /* must save all match strings */ | |
367 | PL_sawstudy = FALSE; /* do fbm_instr on all strings */ | |
368 | PL_sawvec = FALSE; | |
369 | PL_unsafe = FALSE; | |
370 | ||
371 | Safefree(PL_inplace); | |
372 | PL_inplace = Nullch; | |
373 | ||
374 | if (PL_e_script) { | |
375 | SvREFCNT_dec(PL_e_script); | |
376 | PL_e_script = Nullsv; | |
8ebc5c01 | 377 | } |
378 | ||
379 | /* magical thingies */ | |
380 | ||
3280af22 NIS |
381 | Safefree(PL_ofs); /* $, */ |
382 | PL_ofs = Nullch; | |
5f05dabc | 383 | |
3280af22 NIS |
384 | Safefree(PL_ors); /* $\ */ |
385 | PL_ors = Nullch; | |
8ebc5c01 | 386 | |
3280af22 NIS |
387 | SvREFCNT_dec(PL_rs); /* $/ */ |
388 | PL_rs = Nullsv; | |
dc92893f | 389 | |
3280af22 NIS |
390 | SvREFCNT_dec(PL_nrs); /* $/ helper */ |
391 | PL_nrs = Nullsv; | |
5f05dabc | 392 | |
3280af22 | 393 | PL_multiline = 0; /* $* */ |
5f05dabc | 394 | |
3280af22 NIS |
395 | SvREFCNT_dec(PL_statname); |
396 | PL_statname = Nullsv; | |
397 | PL_statgv = Nullgv; | |
5f05dabc | 398 | |
8ebc5c01 | 399 | /* defgv, aka *_ should be taken care of elsewhere */ |
400 | ||
8ebc5c01 | 401 | /* clean up after study() */ |
3280af22 NIS |
402 | SvREFCNT_dec(PL_lastscream); |
403 | PL_lastscream = Nullsv; | |
404 | Safefree(PL_screamfirst); | |
405 | PL_screamfirst = 0; | |
406 | Safefree(PL_screamnext); | |
407 | PL_screamnext = 0; | |
8ebc5c01 | 408 | |
409 | /* startup and shutdown function lists */ | |
3280af22 NIS |
410 | SvREFCNT_dec(PL_beginav); |
411 | SvREFCNT_dec(PL_endav); | |
412 | SvREFCNT_dec(PL_initav); | |
413 | PL_beginav = Nullav; | |
414 | PL_endav = Nullav; | |
415 | PL_initav = Nullav; | |
5618dfe8 | 416 | |
8ebc5c01 | 417 | /* shortcuts just get cleared */ |
3280af22 NIS |
418 | PL_envgv = Nullgv; |
419 | PL_siggv = Nullgv; | |
420 | PL_incgv = Nullgv; | |
421 | PL_hintgv = Nullgv; | |
422 | PL_errgv = Nullgv; | |
423 | PL_argvgv = Nullgv; | |
424 | PL_argvoutgv = Nullgv; | |
425 | PL_stdingv = Nullgv; | |
426 | PL_last_in_gv = Nullgv; | |
427 | PL_replgv = Nullgv; | |
8ebc5c01 | 428 | |
429 | /* reset so print() ends up where we expect */ | |
430 | setdefout(Nullgv); | |
431 | ||
a0d0e21e | 432 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 433 | |
3280af22 NIS |
434 | hv = PL_defstash; |
435 | PL_defstash = 0; | |
a0d0e21e LW |
436 | SvREFCNT_dec(hv); |
437 | ||
438 | FREETMPS; | |
0453d815 | 439 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 440 | if (PL_scopestack_ix != 0) |
0453d815 PM |
441 | Perl_warner(aTHX_ WARN_INTERNAL, |
442 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
3280af22 NIS |
443 | (long)PL_scopestack_ix); |
444 | if (PL_savestack_ix != 0) | |
0453d815 PM |
445 | Perl_warner(aTHX_ WARN_INTERNAL, |
446 | "Unbalanced saves: %ld more saves than restores\n", | |
3280af22 NIS |
447 | (long)PL_savestack_ix); |
448 | if (PL_tmps_floor != -1) | |
0453d815 | 449 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 450 | (long)PL_tmps_floor + 1); |
a0d0e21e | 451 | if (cxstack_ix != -1) |
0453d815 | 452 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 453 | (long)cxstack_ix + 1); |
a0d0e21e | 454 | } |
8990e307 LW |
455 | |
456 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 457 | last_sv_count = 0; |
3280af22 NIS |
458 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
459 | while (PL_sv_count != 0 && PL_sv_count != last_sv_count) { | |
460 | last_sv_count = PL_sv_count; | |
8990e307 LW |
461 | sv_clean_all(); |
462 | } | |
3280af22 NIS |
463 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
464 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
6e72f9df | 465 | |
466 | /* Destruct the global string table. */ | |
467 | { | |
468 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
469 | * so that sv_free() won't fail on them. | |
470 | */ | |
471 | I32 riter; | |
472 | I32 max; | |
473 | HE *hent; | |
474 | HE **array; | |
475 | ||
476 | riter = 0; | |
3280af22 NIS |
477 | max = HvMAX(PL_strtab); |
478 | array = HvARRAY(PL_strtab); | |
6e72f9df | 479 | hent = array[0]; |
480 | for (;;) { | |
0453d815 PM |
481 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
482 | Perl_warner(aTHX_ WARN_INTERNAL, | |
483 | "Unbalanced string table refcount: (%d) for \"%s\"", | |
6e72f9df | 484 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
485 | HeVAL(hent) = Nullsv; | |
486 | hent = HeNEXT(hent); | |
487 | } | |
488 | if (!hent) { | |
489 | if (++riter > max) | |
490 | break; | |
491 | hent = array[riter]; | |
492 | } | |
493 | } | |
494 | } | |
3280af22 | 495 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 496 | |
0453d815 PM |
497 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
498 | Perl_warner(aTHX_ WARN_INTERNAL,"Scalars leaked: %ld\n", (long)PL_sv_count); | |
6e72f9df | 499 | |
4633a7c4 | 500 | sv_free_arenas(); |
44a8e56a | 501 | |
502 | /* No SVs have survived, need to clean out */ | |
3280af22 NIS |
503 | PL_linestr = NULL; |
504 | PL_pidstatus = Nullhv; | |
505 | Safefree(PL_origfilename); | |
506 | Safefree(PL_archpat_auto); | |
507 | Safefree(PL_reg_start_tmp); | |
5c5e4c24 IZ |
508 | if (PL_reg_curpm) |
509 | Safefree(PL_reg_curpm); | |
82ba1be6 | 510 | Safefree(PL_reg_poscache); |
3280af22 NIS |
511 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); |
512 | Safefree(PL_op_mask); | |
6e72f9df | 513 | nuke_stacks(); |
3280af22 | 514 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
515 | |
516 | DEBUG_P(debprofdump()); | |
11343788 | 517 | #ifdef USE_THREADS |
5f08fbcd | 518 | MUTEX_DESTROY(&PL_strtab_mutex); |
533c011a NIS |
519 | MUTEX_DESTROY(&PL_sv_mutex); |
520 | MUTEX_DESTROY(&PL_eval_mutex); | |
5ff3f7a4 | 521 | MUTEX_DESTROY(&PL_cred_mutex); |
533c011a | 522 | COND_DESTROY(&PL_eval_cond); |
11d617a5 GS |
523 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
524 | MUTEX_DESTROY(&PL_svref_mutex); | |
525 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
fc36a67e | 526 | |
8023c3ce | 527 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
533c011a NIS |
528 | Safefree(SvPVX(PL_thrsv)); |
529 | Safefree(SvANY(PL_thrsv)); | |
530 | Safefree(PL_thrsv); | |
531 | PL_thrsv = Nullsv; | |
8023c3ce MB |
532 | #endif /* USE_THREADS */ |
533 | ||
fc36a67e | 534 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
535 | ||
3280af22 | 536 | if (PL_mess_sv) { |
9c63abab GS |
537 | /* it could have accumulated taint magic */ |
538 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
539 | MAGIC* mg; | |
540 | MAGIC* moremagic; | |
541 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
542 | moremagic = mg->mg_moremagic; | |
543 | if (mg->mg_ptr && mg->mg_type != 'g' && mg->mg_len >= 0) | |
544 | Safefree(mg->mg_ptr); | |
545 | Safefree(mg); | |
546 | } | |
547 | } | |
fc36a67e | 548 | /* we know that type >= SVt_PV */ |
3280af22 NIS |
549 | SvOOK_off(PL_mess_sv); |
550 | Safefree(SvPVX(PL_mess_sv)); | |
551 | Safefree(SvANY(PL_mess_sv)); | |
552 | Safefree(PL_mess_sv); | |
553 | PL_mess_sv = Nullsv; | |
fc36a67e | 554 | } |
79072805 LW |
555 | } |
556 | ||
557 | void | |
0cb96387 | 558 | perl_free(pTHXx) |
79072805 | 559 | { |
c5be433b GS |
560 | #if defined(PERL_OBJECT) |
561 | Safefree(this); | |
76e3520e | 562 | #else |
c5be433b | 563 | Safefree(aTHXx); |
76e3520e | 564 | #endif |
79072805 LW |
565 | } |
566 | ||
4b556e6c | 567 | void |
864dbfa3 | 568 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 569 | { |
3280af22 NIS |
570 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
571 | PL_exitlist[PL_exitlistlen].fn = fn; | |
572 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
573 | ++PL_exitlistlen; | |
4b556e6c JD |
574 | } |
575 | ||
79072805 | 576 | int |
0cb96387 | 577 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 578 | { |
11343788 | 579 | dTHR; |
6224f72b | 580 | I32 oldscope; |
6224f72b | 581 | int ret; |
cea2e8a9 GS |
582 | #ifdef USE_THREADS |
583 | dTHX; | |
584 | #endif | |
8d063cd8 | 585 | |
a687059c LW |
586 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
587 | #ifdef IAMSUID | |
588 | #undef IAMSUID | |
cea2e8a9 | 589 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
590 | setuid perl scripts securely.\n"); |
591 | #endif | |
592 | #endif | |
593 | ||
8f1f23e8 | 594 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
6e72f9df | 595 | _dyld_lookup_and_bind |
596 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
597 | #endif /* environ */ | |
598 | ||
3280af22 NIS |
599 | PL_origargv = argv; |
600 | PL_origargc = argc; | |
a0d0e21e | 601 | #ifndef VMS /* VMS doesn't have environ array */ |
3280af22 | 602 | PL_origenviron = environ; |
a0d0e21e LW |
603 | #endif |
604 | ||
3280af22 | 605 | if (PL_do_undump) { |
a0d0e21e LW |
606 | |
607 | /* Come here if running an undumped a.out. */ | |
608 | ||
3280af22 NIS |
609 | PL_origfilename = savepv(argv[0]); |
610 | PL_do_undump = FALSE; | |
a0d0e21e | 611 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 612 | init_ids(); |
a0d0e21e LW |
613 | init_postdump_symbols(argc,argv,env); |
614 | return 0; | |
615 | } | |
616 | ||
3280af22 NIS |
617 | if (PL_main_root) { |
618 | PL_curpad = AvARRAY(PL_comppad); | |
619 | op_free(PL_main_root); | |
620 | PL_main_root = Nullop; | |
ff0cee69 | 621 | } |
3280af22 NIS |
622 | PL_main_start = Nullop; |
623 | SvREFCNT_dec(PL_main_cv); | |
624 | PL_main_cv = Nullcv; | |
79072805 | 625 | |
3280af22 NIS |
626 | time(&PL_basetime); |
627 | oldscope = PL_scopestack_ix; | |
599cee73 | 628 | PL_dowarn = G_WARN_OFF; |
f86702cc | 629 | |
0b94c7bb | 630 | CALLPROTECT(aTHX_ &ret, MEMBER_TO_FPTR(S_parse_body), env, xsinit); |
6224f72b | 631 | switch (ret) { |
312caa8e CS |
632 | case 0: |
633 | return 0; | |
6224f72b GS |
634 | case 1: |
635 | STATUS_ALL_FAILURE; | |
636 | /* FALL THROUGH */ | |
637 | case 2: | |
638 | /* my_exit() was called */ | |
3280af22 | 639 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
640 | LEAVE; |
641 | FREETMPS; | |
3280af22 NIS |
642 | PL_curstash = PL_defstash; |
643 | if (PL_endav) | |
644 | call_list(oldscope, PL_endav); | |
6224f72b GS |
645 | return STATUS_NATIVE_EXPORT; |
646 | case 3: | |
6224f72b GS |
647 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
648 | return 1; | |
649 | } | |
a6c40364 | 650 | return 0; |
312caa8e CS |
651 | } |
652 | ||
653 | STATIC void * | |
cea2e8a9 | 654 | S_parse_body(pTHX_ va_list args) |
312caa8e CS |
655 | { |
656 | dTHR; | |
657 | int argc = PL_origargc; | |
658 | char **argv = PL_origargv; | |
659 | char **env = va_arg(args, char**); | |
660 | char *scriptname = NULL; | |
661 | int fdscript = -1; | |
662 | VOL bool dosearch = FALSE; | |
663 | char *validarg = ""; | |
664 | AV* comppadlist; | |
665 | register SV *sv; | |
666 | register char *s; | |
667 | ||
864dbfa3 | 668 | XSINIT_t xsinit = va_arg(args, XSINIT_t); |
79072805 | 669 | |
3280af22 | 670 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 671 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
672 | SAVEFREESV(sv); |
673 | init_main_stash(); | |
54310121 | 674 | |
6224f72b GS |
675 | for (argc--,argv++; argc > 0; argc--,argv++) { |
676 | if (argv[0][0] != '-' || !argv[0][1]) | |
677 | break; | |
678 | #ifdef DOSUID | |
679 | if (*validarg) | |
680 | validarg = " PHOOEY "; | |
681 | else | |
682 | validarg = argv[0]; | |
13281fa4 | 683 | #endif |
6224f72b GS |
684 | s = argv[0]+1; |
685 | reswitch: | |
686 | switch (*s) { | |
1d5472a9 GS |
687 | #ifndef PERL_STRICT_CR |
688 | case '\r': | |
689 | #endif | |
6224f72b GS |
690 | case ' ': |
691 | case '0': | |
692 | case 'F': | |
693 | case 'a': | |
694 | case 'c': | |
695 | case 'd': | |
696 | case 'D': | |
697 | case 'h': | |
698 | case 'i': | |
699 | case 'l': | |
700 | case 'M': | |
701 | case 'm': | |
702 | case 'n': | |
703 | case 'p': | |
704 | case 's': | |
705 | case 'u': | |
706 | case 'U': | |
707 | case 'v': | |
599cee73 PM |
708 | case 'W': |
709 | case 'X': | |
6224f72b GS |
710 | case 'w': |
711 | if (s = moreswitches(s)) | |
712 | goto reswitch; | |
713 | break; | |
33b78306 | 714 | |
6224f72b | 715 | case 'T': |
3280af22 | 716 | PL_tainting = TRUE; |
6224f72b GS |
717 | s++; |
718 | goto reswitch; | |
f86702cc | 719 | |
6224f72b | 720 | case 'e': |
3280af22 | 721 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 722 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 723 | if (!PL_e_script) { |
79cb57f6 | 724 | PL_e_script = newSVpvn("",0); |
0cb96387 | 725 | filter_add(read_e_script, NULL); |
6224f72b GS |
726 | } |
727 | if (*++s) | |
3280af22 | 728 | sv_catpv(PL_e_script, s); |
6224f72b | 729 | else if (argv[1]) { |
3280af22 | 730 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
731 | argc--,argv++; |
732 | } | |
733 | else | |
cea2e8a9 | 734 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 735 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 736 | break; |
afe37c7d | 737 | |
6224f72b GS |
738 | case 'I': /* -I handled both here and in moreswitches() */ |
739 | forbid_setid("-I"); | |
740 | if (!*++s && (s=argv[1]) != Nullch) { | |
741 | argc--,argv++; | |
742 | } | |
743 | while (s && isSPACE(*s)) | |
744 | ++s; | |
745 | if (s && *s) { | |
746 | char *e, *p; | |
747 | for (e = s; *e && !isSPACE(*e); e++) ; | |
748 | p = savepvn(s, e-s); | |
749 | incpush(p, TRUE); | |
750 | sv_catpv(sv,"-I"); | |
751 | sv_catpv(sv,p); | |
752 | sv_catpv(sv," "); | |
753 | Safefree(p); | |
754 | } /* XXX else croak? */ | |
755 | break; | |
756 | case 'P': | |
757 | forbid_setid("-P"); | |
3280af22 | 758 | PL_preprocess = TRUE; |
6224f72b GS |
759 | s++; |
760 | goto reswitch; | |
761 | case 'S': | |
762 | forbid_setid("-S"); | |
763 | dosearch = TRUE; | |
764 | s++; | |
765 | goto reswitch; | |
766 | case 'V': | |
3280af22 NIS |
767 | if (!PL_preambleav) |
768 | PL_preambleav = newAV(); | |
769 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 770 | if (*++s != ':') { |
3280af22 | 771 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 772 | #ifdef VMS |
6b88bc9c | 773 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 774 | #else |
3280af22 | 775 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 776 | #endif |
22c35a8c | 777 | #if defined(DEBUGGING) || defined(MULTIPLICITY) |
3280af22 | 778 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 779 | # ifdef DEBUGGING |
3280af22 | 780 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 781 | # endif |
6224f72b | 782 | # ifdef MULTIPLICITY |
8f872242 | 783 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 784 | # endif |
3280af22 | 785 | sv_catpv(PL_Sv,"\\n\","); |
6224f72b GS |
786 | #endif |
787 | #if defined(LOCAL_PATCH_COUNT) | |
788 | if (LOCAL_PATCH_COUNT > 0) { | |
789 | int i; | |
3280af22 | 790 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 791 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 792 | if (PL_localpatches[i]) |
cea2e8a9 | 793 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
794 | } |
795 | } | |
796 | #endif | |
cea2e8a9 | 797 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
798 | #ifdef __DATE__ |
799 | # ifdef __TIME__ | |
cea2e8a9 | 800 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 801 | # else |
cea2e8a9 | 802 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
803 | # endif |
804 | #endif | |
3280af22 | 805 | sv_catpv(PL_Sv, "; \ |
6224f72b GS |
806 | $\"=\"\\n \"; \ |
807 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
808 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
809 | print \" \\@INC:\\n @INC\\n\";"); | |
810 | } | |
811 | else { | |
3280af22 NIS |
812 | PL_Sv = newSVpv("config_vars(qw(",0); |
813 | sv_catpv(PL_Sv, ++s); | |
814 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
815 | s += strlen(s); |
816 | } | |
3280af22 | 817 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
818 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
819 | goto reswitch; | |
820 | case 'x': | |
3280af22 | 821 | PL_doextract = TRUE; |
6224f72b GS |
822 | s++; |
823 | if (*s) | |
3280af22 | 824 | PL_cddir = savepv(s); |
6224f72b GS |
825 | break; |
826 | case 0: | |
827 | break; | |
828 | case '-': | |
829 | if (!*++s || isSPACE(*s)) { | |
830 | argc--,argv++; | |
831 | goto switch_end; | |
832 | } | |
833 | /* catch use of gnu style long options */ | |
834 | if (strEQ(s, "version")) { | |
835 | s = "v"; | |
836 | goto reswitch; | |
837 | } | |
838 | if (strEQ(s, "help")) { | |
839 | s = "h"; | |
840 | goto reswitch; | |
841 | } | |
842 | s--; | |
843 | /* FALL THROUGH */ | |
844 | default: | |
cea2e8a9 | 845 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
846 | } |
847 | } | |
6224f72b | 848 | switch_end: |
54310121 | 849 | |
f675dbe5 CB |
850 | if ( |
851 | #ifndef SECURE_INTERNAL_GETENV | |
852 | !PL_tainting && | |
853 | #endif | |
854 | (s = PerlEnv_getenv("PERL5OPT"))) { | |
74288ac8 GS |
855 | while (isSPACE(*s)) |
856 | s++; | |
857 | if (*s == '-' && *(s+1) == 'T') | |
858 | PL_tainting = TRUE; | |
859 | else { | |
860 | while (s && *s) { | |
861 | while (isSPACE(*s)) | |
862 | s++; | |
863 | if (*s == '-') { | |
864 | s++; | |
865 | if (isSPACE(*s)) | |
866 | continue; | |
867 | } | |
868 | if (!*s) | |
869 | break; | |
870 | if (!strchr("DIMUdmw", *s)) | |
cea2e8a9 | 871 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
74288ac8 | 872 | s = moreswitches(s); |
6224f72b | 873 | } |
6224f72b GS |
874 | } |
875 | } | |
a0d0e21e | 876 | |
6224f72b GS |
877 | if (!scriptname) |
878 | scriptname = argv[0]; | |
3280af22 | 879 | if (PL_e_script) { |
6224f72b GS |
880 | argc++,argv--; |
881 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
882 | } | |
883 | else if (scriptname == Nullch) { | |
884 | #ifdef MSDOS | |
885 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
886 | moreswitches("h"); | |
887 | #endif | |
888 | scriptname = "-"; | |
889 | } | |
890 | ||
891 | init_perllib(); | |
892 | ||
893 | open_script(scriptname,dosearch,sv,&fdscript); | |
894 | ||
895 | validate_suid(validarg, scriptname,fdscript); | |
896 | ||
3280af22 | 897 | if (PL_doextract) |
6224f72b GS |
898 | find_beginning(); |
899 | ||
3280af22 NIS |
900 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
901 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
902 | CvUNIQUE_on(PL_compcv); | |
903 | ||
904 | PL_comppad = newAV(); | |
905 | av_push(PL_comppad, Nullsv); | |
906 | PL_curpad = AvARRAY(PL_comppad); | |
907 | PL_comppad_name = newAV(); | |
908 | PL_comppad_name_fill = 0; | |
909 | PL_min_intro_pending = 0; | |
910 | PL_padix = 0; | |
6224f72b | 911 | #ifdef USE_THREADS |
79cb57f6 | 912 | av_store(PL_comppad_name, 0, newSVpvn("@_", 2)); |
533c011a NIS |
913 | PL_curpad[0] = (SV*)newAV(); |
914 | SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ | |
915 | CvOWNER(PL_compcv) = 0; | |
916 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
917 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
6224f72b GS |
918 | #endif /* USE_THREADS */ |
919 | ||
920 | comppadlist = newAV(); | |
921 | AvREAL_off(comppadlist); | |
3280af22 NIS |
922 | av_store(comppadlist, 0, (SV*)PL_comppad_name); |
923 | av_store(comppadlist, 1, (SV*)PL_comppad); | |
924 | CvPADLIST(PL_compcv) = comppadlist; | |
6224f72b GS |
925 | |
926 | boot_core_UNIVERSAL(); | |
927 | ||
928 | if (xsinit) | |
0cb96387 | 929 | (*xsinit)(aTHXo); /* in case linked C routines want magical variables */ |
6224f72b | 930 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
c5be433b | 931 | init_os_extras(); |
6224f72b GS |
932 | #endif |
933 | ||
29209bc5 JH |
934 | #ifdef USE_SOCKS |
935 | SOCKSinit(argv[0]); | |
936 | #endif | |
937 | ||
6224f72b GS |
938 | init_predump_symbols(); |
939 | /* init_postdump_symbols not currently designed to be called */ | |
940 | /* more than once (ENV isn't cleared first, for example) */ | |
941 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 942 | if (!PL_do_undump) |
6224f72b GS |
943 | init_postdump_symbols(argc,argv,env); |
944 | ||
945 | init_lexer(); | |
946 | ||
947 | /* now parse the script */ | |
948 | ||
949 | SETERRNO(0,SS$_NORMAL); | |
3280af22 NIS |
950 | PL_error_count = 0; |
951 | if (yyparse() || PL_error_count) { | |
952 | if (PL_minus_c) | |
cea2e8a9 | 953 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 954 | else { |
cea2e8a9 | 955 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 956 | PL_origfilename); |
6224f72b GS |
957 | } |
958 | } | |
3280af22 NIS |
959 | PL_curcop->cop_line = 0; |
960 | PL_curstash = PL_defstash; | |
961 | PL_preprocess = FALSE; | |
962 | if (PL_e_script) { | |
963 | SvREFCNT_dec(PL_e_script); | |
964 | PL_e_script = Nullsv; | |
6224f72b GS |
965 | } |
966 | ||
967 | /* now that script is parsed, we can modify record separator */ | |
3280af22 NIS |
968 | SvREFCNT_dec(PL_rs); |
969 | PL_rs = SvREFCNT_inc(PL_nrs); | |
864dbfa3 | 970 | sv_setsv(get_sv("/", TRUE), PL_rs); |
3280af22 | 971 | if (PL_do_undump) |
6224f72b GS |
972 | my_unexec(); |
973 | ||
0453d815 | 974 | if (isWARN_ONCE) |
3280af22 | 975 | gv_check(PL_defstash); |
6224f72b GS |
976 | |
977 | LEAVE; | |
978 | FREETMPS; | |
979 | ||
980 | #ifdef MYMALLOC | |
981 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
982 | dump_mstats("after compilation:"); | |
983 | #endif | |
984 | ||
985 | ENTER; | |
3280af22 | 986 | PL_restartop = 0; |
312caa8e | 987 | return NULL; |
6224f72b GS |
988 | } |
989 | ||
990 | int | |
0cb96387 | 991 | perl_run(pTHXx) |
6224f72b | 992 | { |
de616352 | 993 | dTHR; |
6224f72b | 994 | I32 oldscope; |
6224f72b | 995 | int ret; |
cea2e8a9 GS |
996 | #ifdef USE_THREADS |
997 | dTHX; | |
998 | #endif | |
6224f72b | 999 | |
3280af22 | 1000 | oldscope = PL_scopestack_ix; |
6224f72b | 1001 | |
312caa8e | 1002 | redo_body: |
0b94c7bb | 1003 | CALLPROTECT(aTHX_ &ret, MEMBER_TO_FPTR(S_run_body), oldscope); |
6224f72b GS |
1004 | switch (ret) { |
1005 | case 1: | |
1006 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e CS |
1007 | goto redo_body; |
1008 | case 0: /* normal completion */ | |
1009 | case 2: /* my_exit() */ | |
3280af22 | 1010 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1011 | LEAVE; |
1012 | FREETMPS; | |
3280af22 NIS |
1013 | PL_curstash = PL_defstash; |
1014 | if (PL_endav) | |
1015 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1016 | #ifdef MYMALLOC |
1017 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1018 | dump_mstats("after execution: "); | |
1019 | #endif | |
6224f72b GS |
1020 | return STATUS_NATIVE_EXPORT; |
1021 | case 3: | |
312caa8e CS |
1022 | if (PL_restartop) { |
1023 | POPSTACK_TO(PL_mainstack); | |
1024 | goto redo_body; | |
6224f72b | 1025 | } |
312caa8e CS |
1026 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
1027 | FREETMPS; | |
1028 | return 1; | |
6224f72b GS |
1029 | } |
1030 | ||
312caa8e CS |
1031 | /* NOTREACHED */ |
1032 | return 0; | |
1033 | } | |
1034 | ||
1035 | STATIC void * | |
cea2e8a9 | 1036 | S_run_body(pTHX_ va_list args) |
312caa8e CS |
1037 | { |
1038 | dTHR; | |
1039 | I32 oldscope = va_arg(args, I32); | |
1040 | ||
6224f72b | 1041 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1042 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1043 | |
3280af22 | 1044 | if (!PL_restartop) { |
6224f72b GS |
1045 | DEBUG_x(dump_all()); |
1046 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
8b73bbec | 1047 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
6224f72b | 1048 | (unsigned long) thr)); |
6224f72b | 1049 | |
3280af22 NIS |
1050 | if (PL_minus_c) { |
1051 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", PL_origfilename); | |
6224f72b GS |
1052 | my_exit(0); |
1053 | } | |
3280af22 | 1054 | if (PERLDB_SINGLE && PL_DBsingle) |
312caa8e | 1055 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1056 | if (PL_initav) |
1057 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1058 | } |
1059 | ||
1060 | /* do it */ | |
1061 | ||
3280af22 | 1062 | if (PL_restartop) { |
533c011a | 1063 | PL_op = PL_restartop; |
3280af22 | 1064 | PL_restartop = 0; |
cea2e8a9 | 1065 | CALLRUNOPS(aTHX); |
6224f72b | 1066 | } |
3280af22 NIS |
1067 | else if (PL_main_start) { |
1068 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1069 | PL_op = PL_main_start; |
cea2e8a9 | 1070 | CALLRUNOPS(aTHX); |
6224f72b GS |
1071 | } |
1072 | ||
f6b3007c JH |
1073 | my_exit(0); |
1074 | /* NOTREACHED */ | |
312caa8e | 1075 | return NULL; |
6224f72b GS |
1076 | } |
1077 | ||
1078 | SV* | |
864dbfa3 | 1079 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1080 | { |
1081 | GV *gv; | |
1082 | #ifdef USE_THREADS | |
1083 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
1084 | PADOFFSET tmp = find_threadsv(name); | |
1085 | if (tmp != NOT_IN_PAD) { | |
1086 | dTHR; | |
1087 | return THREADSV(tmp); | |
1088 | } | |
1089 | } | |
1090 | #endif /* USE_THREADS */ | |
1091 | gv = gv_fetchpv(name, create, SVt_PV); | |
1092 | if (gv) | |
1093 | return GvSV(gv); | |
1094 | return Nullsv; | |
1095 | } | |
1096 | ||
1097 | AV* | |
864dbfa3 | 1098 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1099 | { |
1100 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1101 | if (create) | |
1102 | return GvAVn(gv); | |
1103 | if (gv) | |
1104 | return GvAV(gv); | |
1105 | return Nullav; | |
1106 | } | |
1107 | ||
1108 | HV* | |
864dbfa3 | 1109 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1110 | { |
a0d0e21e LW |
1111 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1112 | if (create) | |
1113 | return GvHVn(gv); | |
1114 | if (gv) | |
1115 | return GvHV(gv); | |
1116 | return Nullhv; | |
1117 | } | |
1118 | ||
1119 | CV* | |
864dbfa3 | 1120 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1121 | { |
1122 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1123 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1124 | /* XXX this is probably not what they think they're getting. |
1125 | * It has the same effect as "sub name;", i.e. just a forward | |
1126 | * declaration! */ | |
8ebc5c01 | 1127 | if (create && !GvCVu(gv)) |
774d564b | 1128 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1129 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1130 | Nullop, |
a0d0e21e LW |
1131 | Nullop); |
1132 | if (gv) | |
8ebc5c01 | 1133 | return GvCVu(gv); |
a0d0e21e LW |
1134 | return Nullcv; |
1135 | } | |
1136 | ||
79072805 LW |
1137 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1138 | ||
a0d0e21e | 1139 | I32 |
864dbfa3 | 1140 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1141 | |
1142 | /* See G_* flags in cop.h */ | |
1143 | /* null terminated arg list */ | |
8990e307 | 1144 | { |
a0d0e21e | 1145 | dSP; |
8990e307 | 1146 | |
924508f0 | 1147 | PUSHMARK(SP); |
a0d0e21e | 1148 | if (argv) { |
8990e307 | 1149 | while (*argv) { |
a0d0e21e | 1150 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1151 | argv++; |
1152 | } | |
a0d0e21e | 1153 | PUTBACK; |
8990e307 | 1154 | } |
864dbfa3 | 1155 | return call_pv(sub_name, flags); |
8990e307 LW |
1156 | } |
1157 | ||
a0d0e21e | 1158 | I32 |
864dbfa3 | 1159 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1160 | /* name of the subroutine */ |
1161 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1162 | { |
864dbfa3 | 1163 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1164 | } |
1165 | ||
1166 | I32 | |
864dbfa3 | 1167 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1168 | /* name of the subroutine */ |
1169 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1170 | { |
1171 | dSP; | |
1172 | OP myop; | |
533c011a NIS |
1173 | if (!PL_op) |
1174 | PL_op = &myop; | |
a0d0e21e LW |
1175 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1176 | PUTBACK; | |
cea2e8a9 | 1177 | pp_method(); |
533c011a NIS |
1178 | if(PL_op == &myop) |
1179 | PL_op = Nullop; | |
864dbfa3 | 1180 | return call_sv(*PL_stack_sp--, flags); |
a0d0e21e LW |
1181 | } |
1182 | ||
1183 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1184 | I32 | |
864dbfa3 | 1185 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1186 | |
1187 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1188 | { |
924508f0 | 1189 | dSP; |
a0d0e21e | 1190 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1191 | I32 oldmark; |
a0d0e21e | 1192 | I32 retval; |
a0d0e21e | 1193 | I32 oldscope; |
54310121 | 1194 | bool oldcatch = CATCH_GET; |
6224f72b | 1195 | int ret; |
533c011a | 1196 | OP* oldop = PL_op; |
1e422769 | 1197 | |
a0d0e21e LW |
1198 | if (flags & G_DISCARD) { |
1199 | ENTER; | |
1200 | SAVETMPS; | |
1201 | } | |
1202 | ||
aa689395 | 1203 | Zero(&myop, 1, LOGOP); |
54310121 | 1204 | myop.op_next = Nullop; |
f51d4af5 | 1205 | if (!(flags & G_NOARGS)) |
aa689395 | 1206 | myop.op_flags |= OPf_STACKED; |
54310121 | 1207 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1208 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1209 | OPf_WANT_SCALAR); | |
462e5cf6 | 1210 | SAVEOP(); |
533c011a | 1211 | PL_op = (OP*)&myop; |
aa689395 | 1212 | |
3280af22 NIS |
1213 | EXTEND(PL_stack_sp, 1); |
1214 | *++PL_stack_sp = sv; | |
aa689395 | 1215 | oldmark = TOPMARK; |
3280af22 | 1216 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1217 | |
3280af22 | 1218 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1219 | /* Handle first BEGIN of -d. */ |
3280af22 | 1220 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1221 | /* Try harder, since this may have been a sighandler, thus |
1222 | * curstash may be meaningless. */ | |
3280af22 | 1223 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1224 | && !(flags & G_NODEBUG)) |
533c011a | 1225 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1226 | |
312caa8e | 1227 | if (!(flags & G_EVAL)) { |
a7c6d244 NIS |
1228 | /* G_NOCATCH is a hack for perl_vdie using this path to call |
1229 | a __DIE__ handler */ | |
1230 | if (!(flags & G_NOCATCH)) { | |
1231 | CATCH_SET(TRUE); | |
1232 | } | |
864dbfa3 | 1233 | call_xbody((OP*)&myop, FALSE); |
312caa8e | 1234 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
a7c6d244 NIS |
1235 | if (!(flags & G_NOCATCH)) { |
1236 | CATCH_SET(FALSE); | |
1237 | } | |
312caa8e CS |
1238 | } |
1239 | else { | |
533c011a | 1240 | cLOGOP->op_other = PL_op; |
3280af22 | 1241 | PL_markstack_ptr--; |
4633a7c4 LW |
1242 | /* we're trying to emulate pp_entertry() here */ |
1243 | { | |
c09156bb | 1244 | register PERL_CONTEXT *cx; |
54310121 | 1245 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1246 | |
1247 | ENTER; | |
1248 | SAVETMPS; | |
1249 | ||
533c011a | 1250 | push_return(PL_op->op_next); |
3280af22 | 1251 | PUSHBLOCK(cx, CXt_EVAL, PL_stack_sp); |
4633a7c4 | 1252 | PUSHEVAL(cx, 0, 0); |
533c011a | 1253 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
4633a7c4 | 1254 | |
faef0170 | 1255 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1256 | if (flags & G_KEEPERR) |
faef0170 | 1257 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1258 | else |
38a03e6e | 1259 | sv_setpv(ERRSV,""); |
4633a7c4 | 1260 | } |
3280af22 | 1261 | PL_markstack_ptr++; |
a0d0e21e | 1262 | |
312caa8e | 1263 | redo_body: |
0b94c7bb | 1264 | CALLPROTECT(aTHX_ &ret, MEMBER_TO_FPTR(S_call_body), (OP*)&myop, FALSE); |
6224f72b GS |
1265 | switch (ret) { |
1266 | case 0: | |
312caa8e CS |
1267 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1268 | if (!(flags & G_KEEPERR)) | |
1269 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1270 | break; |
6224f72b | 1271 | case 1: |
f86702cc | 1272 | STATUS_ALL_FAILURE; |
a0d0e21e | 1273 | /* FALL THROUGH */ |
6224f72b | 1274 | case 2: |
a0d0e21e | 1275 | /* my_exit() was called */ |
3280af22 | 1276 | PL_curstash = PL_defstash; |
a0d0e21e | 1277 | FREETMPS; |
3280af22 | 1278 | if (PL_statusvalue) |
cea2e8a9 | 1279 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1280 | my_exit_jump(); |
a0d0e21e | 1281 | /* NOTREACHED */ |
6224f72b | 1282 | case 3: |
3280af22 | 1283 | if (PL_restartop) { |
533c011a | 1284 | PL_op = PL_restartop; |
3280af22 | 1285 | PL_restartop = 0; |
312caa8e | 1286 | goto redo_body; |
a0d0e21e | 1287 | } |
3280af22 | 1288 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1289 | if (flags & G_ARRAY) |
1290 | retval = 0; | |
1291 | else { | |
1292 | retval = 1; | |
3280af22 | 1293 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 1294 | } |
312caa8e | 1295 | break; |
a0d0e21e | 1296 | } |
a0d0e21e | 1297 | |
3280af22 | 1298 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
1299 | SV **newsp; |
1300 | PMOP *newpm; | |
1301 | I32 gimme; | |
c09156bb | 1302 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1303 | I32 optype; |
1304 | ||
1305 | POPBLOCK(cx,newpm); | |
1306 | POPEVAL(cx); | |
1307 | pop_return(); | |
3280af22 | 1308 | PL_curpm = newpm; |
a0a2876f | 1309 | LEAVE; |
a0d0e21e | 1310 | } |
a0d0e21e | 1311 | } |
1e422769 | 1312 | |
a0d0e21e | 1313 | if (flags & G_DISCARD) { |
3280af22 | 1314 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1315 | retval = 0; |
1316 | FREETMPS; | |
1317 | LEAVE; | |
1318 | } | |
533c011a | 1319 | PL_op = oldop; |
a0d0e21e LW |
1320 | return retval; |
1321 | } | |
1322 | ||
312caa8e | 1323 | STATIC void * |
cea2e8a9 | 1324 | S_call_body(pTHX_ va_list args) |
312caa8e CS |
1325 | { |
1326 | OP *myop = va_arg(args, OP*); | |
1327 | int is_eval = va_arg(args, int); | |
1328 | ||
864dbfa3 | 1329 | call_xbody(myop, is_eval); |
312caa8e CS |
1330 | return NULL; |
1331 | } | |
1332 | ||
1333 | STATIC void | |
cea2e8a9 | 1334 | S_call_xbody(pTHX_ OP *myop, int is_eval) |
312caa8e CS |
1335 | { |
1336 | dTHR; | |
1337 | ||
1338 | if (PL_op == myop) { | |
1339 | if (is_eval) | |
cea2e8a9 | 1340 | PL_op = Perl_pp_entereval(aTHX); |
312caa8e | 1341 | else |
cea2e8a9 | 1342 | PL_op = Perl_pp_entersub(aTHX); |
312caa8e CS |
1343 | } |
1344 | if (PL_op) | |
cea2e8a9 | 1345 | CALLRUNOPS(aTHX); |
312caa8e CS |
1346 | } |
1347 | ||
6e72f9df | 1348 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1349 | |
a0d0e21e | 1350 | I32 |
864dbfa3 | 1351 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1352 | |
1353 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1354 | { |
924508f0 | 1355 | dSP; |
a0d0e21e | 1356 | UNOP myop; /* fake syntax tree node */ |
3280af22 | 1357 | I32 oldmark = SP - PL_stack_base; |
4633a7c4 | 1358 | I32 retval; |
4633a7c4 | 1359 | I32 oldscope; |
6224f72b | 1360 | int ret; |
533c011a | 1361 | OP* oldop = PL_op; |
84902520 | 1362 | |
4633a7c4 LW |
1363 | if (flags & G_DISCARD) { |
1364 | ENTER; | |
1365 | SAVETMPS; | |
1366 | } | |
1367 | ||
462e5cf6 | 1368 | SAVEOP(); |
533c011a NIS |
1369 | PL_op = (OP*)&myop; |
1370 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
1371 | EXTEND(PL_stack_sp, 1); |
1372 | *++PL_stack_sp = sv; | |
1373 | oldscope = PL_scopestack_ix; | |
79072805 | 1374 | |
4633a7c4 LW |
1375 | if (!(flags & G_NOARGS)) |
1376 | myop.op_flags = OPf_STACKED; | |
79072805 | 1377 | myop.op_next = Nullop; |
6e72f9df | 1378 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1379 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1380 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1381 | OPf_WANT_SCALAR); | |
6e72f9df | 1382 | if (flags & G_KEEPERR) |
1383 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1384 | |
312caa8e | 1385 | redo_body: |
0b94c7bb | 1386 | CALLPROTECT(aTHX_ &ret, MEMBER_TO_FPTR(S_call_body), (OP*)&myop, TRUE); |
6224f72b GS |
1387 | switch (ret) { |
1388 | case 0: | |
312caa8e CS |
1389 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1390 | if (!(flags & G_KEEPERR)) | |
1391 | sv_setpv(ERRSV,""); | |
4633a7c4 | 1392 | break; |
6224f72b | 1393 | case 1: |
f86702cc | 1394 | STATUS_ALL_FAILURE; |
4633a7c4 | 1395 | /* FALL THROUGH */ |
6224f72b | 1396 | case 2: |
4633a7c4 | 1397 | /* my_exit() was called */ |
3280af22 | 1398 | PL_curstash = PL_defstash; |
4633a7c4 | 1399 | FREETMPS; |
3280af22 | 1400 | if (PL_statusvalue) |
cea2e8a9 | 1401 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1402 | my_exit_jump(); |
4633a7c4 | 1403 | /* NOTREACHED */ |
6224f72b | 1404 | case 3: |
3280af22 | 1405 | if (PL_restartop) { |
533c011a | 1406 | PL_op = PL_restartop; |
3280af22 | 1407 | PL_restartop = 0; |
312caa8e | 1408 | goto redo_body; |
4633a7c4 | 1409 | } |
3280af22 | 1410 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1411 | if (flags & G_ARRAY) |
1412 | retval = 0; | |
1413 | else { | |
1414 | retval = 1; | |
3280af22 | 1415 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 1416 | } |
312caa8e | 1417 | break; |
4633a7c4 LW |
1418 | } |
1419 | ||
4633a7c4 | 1420 | if (flags & G_DISCARD) { |
3280af22 | 1421 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1422 | retval = 0; |
1423 | FREETMPS; | |
1424 | LEAVE; | |
1425 | } | |
533c011a | 1426 | PL_op = oldop; |
4633a7c4 LW |
1427 | return retval; |
1428 | } | |
1429 | ||
137443ea | 1430 | SV* |
864dbfa3 | 1431 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 1432 | { |
1433 | dSP; | |
1434 | SV* sv = newSVpv(p, 0); | |
1435 | ||
924508f0 | 1436 | PUSHMARK(SP); |
864dbfa3 | 1437 | eval_sv(sv, G_SCALAR); |
137443ea | 1438 | SvREFCNT_dec(sv); |
1439 | ||
1440 | SPAGAIN; | |
1441 | sv = POPs; | |
1442 | PUTBACK; | |
1443 | ||
2d8e6c8d GS |
1444 | if (croak_on_error && SvTRUE(ERRSV)) { |
1445 | STRLEN n_a; | |
cea2e8a9 | 1446 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 1447 | } |
137443ea | 1448 | |
1449 | return sv; | |
1450 | } | |
1451 | ||
4633a7c4 LW |
1452 | /* Require a module. */ |
1453 | ||
1454 | void | |
864dbfa3 | 1455 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 1456 | { |
d3acc0f7 JP |
1457 | SV* sv; |
1458 | dSP; | |
e788e7d3 | 1459 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
1460 | PUTBACK; |
1461 | sv = sv_newmortal(); | |
4633a7c4 LW |
1462 | sv_setpv(sv, "require '"); |
1463 | sv_catpv(sv, pv); | |
1464 | sv_catpv(sv, "'"); | |
864dbfa3 | 1465 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
1466 | SPAGAIN; |
1467 | POPSTACK; | |
79072805 LW |
1468 | } |
1469 | ||
79072805 | 1470 | void |
864dbfa3 | 1471 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
1472 | { |
1473 | register GV *gv; | |
1474 | ||
85e6fe83 | 1475 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1476 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1477 | } | |
1478 | ||
76e3520e | 1479 | STATIC void |
cea2e8a9 | 1480 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 1481 | { |
ab821d7f | 1482 | /* This message really ought to be max 23 lines. |
1483 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1484 | |
76e3520e | 1485 | static char *usage_msg[] = { |
fb73857a | 1486 | "-0[octal] specify record separator (\\0, if no argument)", |
1487 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1488 | "-c check syntax only (runs BEGIN and END blocks)", | |
aac3bd0d GS |
1489 | "-d[:debugger] run program under debugger", |
1490 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
1491 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
1492 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
1493 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
1494 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 1495 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
1496 | "-[mM][-]module execute `use/no module...' before executing program", |
1497 | "-n assume 'while (<>) { ... }' loop around program", | |
1498 | "-p assume loop like -n but print line also, like sed", | |
1499 | "-P run program through C preprocessor before compilation", | |
1500 | "-s enable rudimentary parsing for switches after programfile", | |
1501 | "-S look for programfile using PATH environment variable", | |
1502 | "-T enable tainting checks", | |
1503 | "-u dump core after parsing program", | |
fb73857a | 1504 | "-U allow unsafe operations", |
aac3bd0d GS |
1505 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
1506 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
1507 | "-w enable many useful warnings (RECOMMENDED)", | |
fb73857a | 1508 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1509 | "\n", | |
1510 | NULL | |
1511 | }; | |
76e3520e | 1512 | char **p = usage_msg; |
fb73857a | 1513 | |
ab821d7f | 1514 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1515 | while (*p) |
1516 | printf("\n %s", *p++); | |
4633a7c4 LW |
1517 | } |
1518 | ||
79072805 LW |
1519 | /* This routine handles any switches that can be given during run */ |
1520 | ||
1521 | char * | |
864dbfa3 | 1522 | Perl_moreswitches(pTHX_ char *s) |
79072805 LW |
1523 | { |
1524 | I32 numlen; | |
c07a80fd | 1525 | U32 rschar; |
79072805 LW |
1526 | |
1527 | switch (*s) { | |
1528 | case '0': | |
a863c7d1 MB |
1529 | { |
1530 | dTHR; | |
c07a80fd | 1531 | rschar = scan_oct(s, 4, &numlen); |
3280af22 | 1532 | SvREFCNT_dec(PL_nrs); |
c07a80fd | 1533 | if (rschar & ~((U8)~0)) |
3280af22 | 1534 | PL_nrs = &PL_sv_undef; |
c07a80fd | 1535 | else if (!rschar && numlen >= 2) |
79cb57f6 | 1536 | PL_nrs = newSVpvn("", 0); |
c07a80fd | 1537 | else { |
1538 | char ch = rschar; | |
79cb57f6 | 1539 | PL_nrs = newSVpvn(&ch, 1); |
79072805 LW |
1540 | } |
1541 | return s + numlen; | |
a863c7d1 | 1542 | } |
2304df62 | 1543 | case 'F': |
3280af22 NIS |
1544 | PL_minus_F = TRUE; |
1545 | PL_splitstr = savepv(s + 1); | |
2304df62 AD |
1546 | s += strlen(s); |
1547 | return s; | |
79072805 | 1548 | case 'a': |
3280af22 | 1549 | PL_minus_a = TRUE; |
79072805 LW |
1550 | s++; |
1551 | return s; | |
1552 | case 'c': | |
3280af22 | 1553 | PL_minus_c = TRUE; |
79072805 LW |
1554 | s++; |
1555 | return s; | |
1556 | case 'd': | |
bbce6d69 | 1557 | forbid_setid("-d"); |
4633a7c4 | 1558 | s++; |
c07a80fd | 1559 | if (*s == ':' || *s == '=') { |
cea2e8a9 | 1560 | my_setenv("PERL5DB", Perl_form(aTHX_ "use Devel::%s;", ++s)); |
4633a7c4 | 1561 | s += strlen(s); |
4633a7c4 | 1562 | } |
3280af22 NIS |
1563 | if (!PL_perldb) { |
1564 | PL_perldb = PERLDB_ALL; | |
a0d0e21e LW |
1565 | init_debugger(); |
1566 | } | |
79072805 LW |
1567 | return s; |
1568 | case 'D': | |
0453d815 | 1569 | { |
79072805 | 1570 | #ifdef DEBUGGING |
bbce6d69 | 1571 | forbid_setid("-D"); |
79072805 | 1572 | if (isALPHA(s[1])) { |
8b73bbec | 1573 | static char debopts[] = "psltocPmfrxuLHXDS"; |
79072805 LW |
1574 | char *d; |
1575 | ||
93a17b20 | 1576 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 1577 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
1578 | } |
1579 | else { | |
3280af22 | 1580 | PL_debug = atoi(s+1); |
79072805 LW |
1581 | for (s++; isDIGIT(*s); s++) ; |
1582 | } | |
3280af22 | 1583 | PL_debug |= 0x80000000; |
79072805 | 1584 | #else |
0453d815 PM |
1585 | dTHR; |
1586 | if (ckWARN_d(WARN_DEBUGGING)) | |
1587 | Perl_warner(aTHX_ WARN_DEBUGGING, | |
1588 | "Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1589 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1590 | #endif |
1591 | /*SUPPRESS 530*/ | |
1592 | return s; | |
0453d815 | 1593 | } |
4633a7c4 | 1594 | case 'h': |
3280af22 | 1595 | usage(PL_origargv[0]); |
6ad3d225 | 1596 | PerlProc_exit(0); |
79072805 | 1597 | case 'i': |
3280af22 NIS |
1598 | if (PL_inplace) |
1599 | Safefree(PL_inplace); | |
1600 | PL_inplace = savepv(s+1); | |
79072805 | 1601 | /*SUPPRESS 530*/ |
3280af22 | 1602 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 1603 | if (*s) { |
fb73857a | 1604 | *s++ = '\0'; |
7b8d334a GS |
1605 | if (*s == '-') /* Additional switches on #! line. */ |
1606 | s++; | |
1607 | } | |
fb73857a | 1608 | return s; |
1609 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1610 | forbid_setid("-I"); |
fb73857a | 1611 | ++s; |
1612 | while (*s && isSPACE(*s)) | |
1613 | ++s; | |
1614 | if (*s) { | |
774d564b | 1615 | char *e, *p; |
748a9306 | 1616 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1617 | p = savepvn(s, e-s); |
1618 | incpush(p, TRUE); | |
1619 | Safefree(p); | |
fb73857a | 1620 | s = e; |
79072805 LW |
1621 | } |
1622 | else | |
cea2e8a9 | 1623 | Perl_croak(aTHX_ "No space allowed after -I"); |
fb73857a | 1624 | return s; |
79072805 | 1625 | case 'l': |
3280af22 | 1626 | PL_minus_l = TRUE; |
79072805 | 1627 | s++; |
3280af22 NIS |
1628 | if (PL_ors) |
1629 | Safefree(PL_ors); | |
79072805 | 1630 | if (isDIGIT(*s)) { |
3280af22 NIS |
1631 | PL_ors = savepv("\n"); |
1632 | PL_orslen = 1; | |
1633 | *PL_ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
79072805 LW |
1634 | s += numlen; |
1635 | } | |
1636 | else { | |
a863c7d1 | 1637 | dTHR; |
3280af22 NIS |
1638 | if (RsPARA(PL_nrs)) { |
1639 | PL_ors = "\n\n"; | |
1640 | PL_orslen = 2; | |
c07a80fd | 1641 | } |
1642 | else | |
3280af22 NIS |
1643 | PL_ors = SvPV(PL_nrs, PL_orslen); |
1644 | PL_ors = savepvn(PL_ors, PL_orslen); | |
79072805 LW |
1645 | } |
1646 | return s; | |
1a30305b | 1647 | case 'M': |
bbce6d69 | 1648 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1649 | /* FALL THROUGH */ |
1650 | case 'm': | |
bbce6d69 | 1651 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1652 | if (*++s) { |
a5f75d66 | 1653 | char *start; |
11343788 | 1654 | SV *sv; |
a5f75d66 AD |
1655 | char *use = "use "; |
1656 | /* -M-foo == 'no foo' */ | |
1657 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1658 | sv = newSVpv(use,0); |
a5f75d66 | 1659 | start = s; |
1a30305b | 1660 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1661 | while(isALNUM(*s) || *s==':') ++s; |
1662 | if (*s != '=') { | |
11343788 | 1663 | sv_catpv(sv, start); |
c07a80fd | 1664 | if (*(start-1) == 'm') { |
1665 | if (*s != '\0') | |
cea2e8a9 | 1666 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 1667 | sv_catpv( sv, " ()"); |
c07a80fd | 1668 | } |
1669 | } else { | |
11343788 MB |
1670 | sv_catpvn(sv, start, s-start); |
1671 | sv_catpv(sv, " split(/,/,q{"); | |
1672 | sv_catpv(sv, ++s); | |
1673 | sv_catpv(sv, "})"); | |
c07a80fd | 1674 | } |
1a30305b | 1675 | s += strlen(s); |
3280af22 NIS |
1676 | if (PL_preambleav == NULL) |
1677 | PL_preambleav = newAV(); | |
1678 | av_push(PL_preambleav, sv); | |
1a30305b | 1679 | } |
1680 | else | |
cea2e8a9 | 1681 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 1682 | return s; |
79072805 | 1683 | case 'n': |
3280af22 | 1684 | PL_minus_n = TRUE; |
79072805 LW |
1685 | s++; |
1686 | return s; | |
1687 | case 'p': | |
3280af22 | 1688 | PL_minus_p = TRUE; |
79072805 LW |
1689 | s++; |
1690 | return s; | |
1691 | case 's': | |
bbce6d69 | 1692 | forbid_setid("-s"); |
3280af22 | 1693 | PL_doswitches = TRUE; |
79072805 LW |
1694 | s++; |
1695 | return s; | |
463ee0b2 | 1696 | case 'T': |
3280af22 | 1697 | if (!PL_tainting) |
cea2e8a9 | 1698 | Perl_croak(aTHX_ "Too late for \"-T\" option"); |
463ee0b2 LW |
1699 | s++; |
1700 | return s; | |
79072805 | 1701 | case 'u': |
3280af22 | 1702 | PL_do_undump = TRUE; |
79072805 LW |
1703 | s++; |
1704 | return s; | |
1705 | case 'U': | |
3280af22 | 1706 | PL_unsafe = TRUE; |
79072805 LW |
1707 | s++; |
1708 | return s; | |
1709 | case 'v': | |
cceca5ed GS |
1710 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
1711 | printf("\nThis is perl, version %d.%03d_%02d built for %s", | |
1712 | PERL_REVISION, PERL_VERSION, PERL_SUBVERSION, ARCHNAME); | |
a5f75d66 | 1713 | #else |
fb73857a | 1714 | printf("\nThis is perl, version %s built for %s", |
6b88bc9c | 1715 | PL_patchlevel, ARCHNAME); |
fb73857a | 1716 | #endif |
1717 | #if defined(LOCAL_PATCH_COUNT) | |
1718 | if (LOCAL_PATCH_COUNT > 0) | |
1719 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1720 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1721 | #endif |
1a30305b | 1722 | |
4eb8286e | 1723 | printf("\n\nCopyright 1987-1999, Larry Wall\n"); |
79072805 | 1724 | #ifdef MSDOS |
fb73857a | 1725 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1726 | #endif |
1727 | #ifdef DJGPP | |
1728 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4eb8286e | 1729 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); |
4633a7c4 | 1730 | #endif |
79072805 | 1731 | #ifdef OS2 |
5dd60ef7 | 1732 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
4eb8286e | 1733 | "Version 5 port Copyright (c) 1994-1999, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1734 | #endif |
79072805 | 1735 | #ifdef atarist |
760ac839 | 1736 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1737 | #endif |
a3f9223b | 1738 | #ifdef __BEOS__ |
4eb8286e | 1739 | printf("BeOS port Copyright Tom Spindler, 1997-1999\n"); |
a3f9223b | 1740 | #endif |
1d84e8df | 1741 | #ifdef MPE |
4eb8286e | 1742 | printf("MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-1999\n"); |
1d84e8df | 1743 | #endif |
9d116dd7 | 1744 | #ifdef OEMVS |
4eb8286e | 1745 | printf("MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 1746 | #endif |
495c5fdc | 1747 | #ifdef __VOS__ |
4eb8286e | 1748 | printf("Stratus VOS port by Paul_Green@stratus.com, 1997-1999\n"); |
495c5fdc | 1749 | #endif |
092bebab | 1750 | #ifdef __OPEN_VM |
4eb8286e | 1751 | printf("VM/ESA port by Neale Ferguson, 1998-1999\n"); |
092bebab | 1752 | #endif |
a1a0e61e | 1753 | #ifdef POSIX_BC |
4eb8286e | 1754 | printf("BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 1755 | #endif |
61ae2fbf | 1756 | #ifdef __MINT__ |
4eb8286e | 1757 | printf("MiNT port by Guido Flohr, 1997-1999\n"); |
61ae2fbf | 1758 | #endif |
baed7233 DL |
1759 | #ifdef BINARY_BUILD_NOTICE |
1760 | BINARY_BUILD_NOTICE; | |
1761 | #endif | |
760ac839 | 1762 | printf("\n\ |
79072805 | 1763 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1764 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1765 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1766 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1767 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 1768 | PerlProc_exit(0); |
79072805 | 1769 | case 'w': |
599cee73 PM |
1770 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
1771 | PL_dowarn |= G_WARN_ON; | |
1772 | s++; | |
1773 | return s; | |
1774 | case 'W': | |
1775 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
e24b16f9 | 1776 | PL_compiling.cop_warnings = WARN_ALL ; |
599cee73 PM |
1777 | s++; |
1778 | return s; | |
1779 | case 'X': | |
1780 | PL_dowarn = G_WARN_ALL_OFF; | |
e24b16f9 | 1781 | PL_compiling.cop_warnings = WARN_NONE ; |
79072805 LW |
1782 | s++; |
1783 | return s; | |
a0d0e21e | 1784 | case '*': |
79072805 LW |
1785 | case ' ': |
1786 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1787 | return s+2; | |
1788 | break; | |
a0d0e21e | 1789 | case '-': |
79072805 | 1790 | case 0: |
51882d45 | 1791 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
1792 | case '\r': |
1793 | #endif | |
79072805 LW |
1794 | case '\n': |
1795 | case '\t': | |
1796 | break; | |
aa689395 | 1797 | #ifdef ALTERNATE_SHEBANG |
1798 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1799 | break; | |
1800 | #endif | |
a0d0e21e | 1801 | case 'P': |
3280af22 | 1802 | if (PL_preprocess) |
a0d0e21e LW |
1803 | return s+1; |
1804 | /* FALL THROUGH */ | |
79072805 | 1805 | default: |
cea2e8a9 | 1806 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
1807 | } |
1808 | return Nullch; | |
1809 | } | |
1810 | ||
1811 | /* compliments of Tom Christiansen */ | |
1812 | ||
1813 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 1814 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
1815 | |
1816 | void | |
864dbfa3 | 1817 | Perl_my_unexec(pTHX) |
79072805 LW |
1818 | { |
1819 | #ifdef UNEXEC | |
46fc3d4c | 1820 | SV* prog; |
1821 | SV* file; | |
ee580363 | 1822 | int status = 1; |
79072805 LW |
1823 | extern int etext; |
1824 | ||
ee580363 | 1825 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 1826 | sv_catpv(prog, "/perl"); |
6b88bc9c | 1827 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 1828 | sv_catpv(file, ".perldump"); |
79072805 | 1829 | |
ee580363 GS |
1830 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1831 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 1832 | PerlProc_exit(status); |
79072805 | 1833 | #else |
a5f75d66 AD |
1834 | # ifdef VMS |
1835 | # include <lib$routines.h> | |
1836 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1837 | # else |
79072805 | 1838 | ABORT(); /* for use with undump */ |
aa689395 | 1839 | # endif |
a5f75d66 | 1840 | #endif |
79072805 LW |
1841 | } |
1842 | ||
cb68f92d GS |
1843 | /* initialize curinterp */ |
1844 | STATIC void | |
cea2e8a9 | 1845 | S_init_interp(pTHX) |
cb68f92d GS |
1846 | { |
1847 | ||
066ef5b5 | 1848 | #ifdef PERL_OBJECT /* XXX kludge */ |
cb68f92d | 1849 | #define I_REINIT \ |
6b88bc9c GS |
1850 | STMT_START { \ |
1851 | PL_chopset = " \n-"; \ | |
1852 | PL_copline = NOLINE; \ | |
1853 | PL_curcop = &PL_compiling;\ | |
1854 | PL_curcopdb = NULL; \ | |
1855 | PL_dbargs = 0; \ | |
1856 | PL_dlmax = 128; \ | |
3967c732 | 1857 | PL_dumpindent = 4; \ |
6b88bc9c GS |
1858 | PL_laststatval = -1; \ |
1859 | PL_laststype = OP_STAT; \ | |
1860 | PL_maxscream = -1; \ | |
1861 | PL_maxsysfd = MAXSYSFD; \ | |
1862 | PL_statname = Nullsv; \ | |
1863 | PL_tmps_floor = -1; \ | |
1864 | PL_tmps_ix = -1; \ | |
1865 | PL_op_mask = NULL; \ | |
1866 | PL_dlmax = 128; \ | |
1867 | PL_laststatval = -1; \ | |
1868 | PL_laststype = OP_STAT; \ | |
1869 | PL_mess_sv = Nullsv; \ | |
1870 | PL_splitstr = " "; \ | |
1871 | PL_generation = 100; \ | |
1872 | PL_exitlist = NULL; \ | |
1873 | PL_exitlistlen = 0; \ | |
1874 | PL_regindent = 0; \ | |
1875 | PL_in_clean_objs = FALSE; \ | |
1876 | PL_in_clean_all = FALSE; \ | |
1877 | PL_profiledata = NULL; \ | |
1878 | PL_rsfp = Nullfp; \ | |
1879 | PL_rsfp_filters = Nullav; \ | |
24d3c518 | 1880 | PL_dirty = FALSE; \ |
cb68f92d | 1881 | } STMT_END |
9666903d | 1882 | I_REINIT; |
066ef5b5 GS |
1883 | #else |
1884 | # ifdef MULTIPLICITY | |
1885 | # define PERLVAR(var,type) | |
51371543 | 1886 | # define PERLVARA(var,n,type) |
cea2e8a9 GS |
1887 | # if defined(PERL_IMPLICIT_CONTEXT) |
1888 | # define PERLVARI(var,type,init) my_perl->var = init; | |
1889 | # define PERLVARIC(var,type,init) my_perl->var = init; | |
1890 | # else | |
c5be433b GS |
1891 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
1892 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
cea2e8a9 | 1893 | # endif |
066ef5b5 GS |
1894 | # include "intrpvar.h" |
1895 | # ifndef USE_THREADS | |
1896 | # include "thrdvar.h" | |
1897 | # endif | |
1898 | # undef PERLVAR | |
51371543 | 1899 | # undef PERLVARA |
066ef5b5 GS |
1900 | # undef PERLVARI |
1901 | # undef PERLVARIC | |
3967c732 | 1902 | # else |
066ef5b5 | 1903 | # define PERLVAR(var,type) |
51371543 | 1904 | # define PERLVARA(var,n,type) |
533c011a NIS |
1905 | # define PERLVARI(var,type,init) PL_##var = init; |
1906 | # define PERLVARIC(var,type,init) PL_##var = init; | |
066ef5b5 GS |
1907 | # include "intrpvar.h" |
1908 | # ifndef USE_THREADS | |
1909 | # include "thrdvar.h" | |
1910 | # endif | |
1911 | # undef PERLVAR | |
51371543 | 1912 | # undef PERLVARA |
066ef5b5 GS |
1913 | # undef PERLVARI |
1914 | # undef PERLVARIC | |
1915 | # endif | |
cb68f92d GS |
1916 | #endif |
1917 | ||
cb68f92d GS |
1918 | } |
1919 | ||
76e3520e | 1920 | STATIC void |
cea2e8a9 | 1921 | S_init_main_stash(pTHX) |
79072805 | 1922 | { |
11343788 | 1923 | dTHR; |
463ee0b2 | 1924 | GV *gv; |
6e72f9df | 1925 | |
1926 | /* Note that strtab is a rather special HV. Assumptions are made | |
1927 | about not iterating on it, and not adding tie magic to it. | |
1928 | It is properly deallocated in perl_destruct() */ | |
3280af22 | 1929 | PL_strtab = newHV(); |
5f08fbcd GS |
1930 | #ifdef USE_THREADS |
1931 | MUTEX_INIT(&PL_strtab_mutex); | |
1932 | #endif | |
3280af22 NIS |
1933 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
1934 | hv_ksplit(PL_strtab, 512); | |
6e72f9df | 1935 | |
3280af22 | 1936 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 1937 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
1938 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1939 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 1940 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 1941 | SvREADONLY_on(gv); |
3280af22 NIS |
1942 | HvNAME(PL_defstash) = savepv("main"); |
1943 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
1944 | GvMULTI_on(PL_incgv); | |
1945 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
1946 | GvMULTI_on(PL_hintgv); | |
1947 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
1948 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
1949 | GvMULTI_on(PL_errgv); | |
1950 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
1951 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 1952 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1953 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1954 | sv_setpvn(ERRSV, "", 0); | |
3280af22 NIS |
1955 | PL_curstash = PL_defstash; |
1956 | PL_compiling.cop_stash = PL_defstash; | |
1957 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); | |
1958 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); | |
4633a7c4 | 1959 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 1960 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
1961 | } |
1962 | ||
76e3520e | 1963 | STATIC void |
cea2e8a9 | 1964 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 1965 | { |
0f15f207 | 1966 | dTHR; |
79072805 | 1967 | register char *s; |
2a92aaa0 | 1968 | |
6c4ab083 | 1969 | *fdscript = -1; |
79072805 | 1970 | |
3280af22 NIS |
1971 | if (PL_e_script) { |
1972 | PL_origfilename = savepv("-e"); | |
96436eeb | 1973 | } |
6c4ab083 GS |
1974 | else { |
1975 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 1976 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
1977 | |
1978 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
1979 | char *s = scriptname + 8; | |
1980 | *fdscript = atoi(s); | |
1981 | while (isDIGIT(*s)) | |
1982 | s++; | |
1983 | if (*s) { | |
1984 | scriptname = savepv(s + 1); | |
3280af22 NIS |
1985 | Safefree(PL_origfilename); |
1986 | PL_origfilename = scriptname; | |
6c4ab083 GS |
1987 | } |
1988 | } | |
1989 | } | |
1990 | ||
3280af22 NIS |
1991 | PL_curcop->cop_filegv = gv_fetchfile(PL_origfilename); |
1992 | if (strEQ(PL_origfilename,"-")) | |
79072805 | 1993 | scriptname = ""; |
01f988be | 1994 | if (*fdscript >= 0) { |
3280af22 | 1995 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
96436eeb | 1996 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
1997 | if (PL_rsfp) |
1998 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1999 | #endif |
2000 | } | |
3280af22 | 2001 | else if (PL_preprocess) { |
46fc3d4c | 2002 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2003 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2004 | SV *cmd = NEWSV(0,0); |
2005 | ||
2006 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2007 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2008 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2009 | |
79072805 | 2010 | sv_catpv(sv,"-I"); |
fed7345c | 2011 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2012 | |
79072805 | 2013 | #ifdef MSDOS |
cea2e8a9 | 2014 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2015 | sed %s -e \"/^[^#]/b\" \ |
2016 | -e \"/^#[ ]*include[ ]/b\" \ | |
2017 | -e \"/^#[ ]*define[ ]/b\" \ | |
2018 | -e \"/^#[ ]*if[ ]/b\" \ | |
2019 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2020 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2021 | -e \"/^#[ ]*else/b\" \ | |
2022 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2023 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2024 | -e \"/^#[ ]*endif/b\" \ | |
2025 | -e \"s/^#.*//\" \ | |
fc36a67e | 2026 | %s | %_ -C %_ %s", |
6b88bc9c | 2027 | (PL_doextract ? "-e \"1,/^#/d\n\"" : ""), |
79072805 | 2028 | #else |
092bebab | 2029 | # ifdef __OPEN_VM |
cea2e8a9 | 2030 | Perl_sv_setpvf(aTHX_ cmd, "\ |
092bebab JH |
2031 | %s %s -e '/^[^#]/b' \ |
2032 | -e '/^#[ ]*include[ ]/b' \ | |
2033 | -e '/^#[ ]*define[ ]/b' \ | |
2034 | -e '/^#[ ]*if[ ]/b' \ | |
2035 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2036 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2037 | -e '/^#[ ]*else/b' \ | |
2038 | -e '/^#[ ]*elif[ ]/b' \ | |
2039 | -e '/^#[ ]*undef[ ]/b' \ | |
2040 | -e '/^#[ ]*endif/b' \ | |
2041 | -e 's/^[ ]*#.*//' \ | |
2042 | %s | %_ %_ %s", | |
2043 | # else | |
cea2e8a9 | 2044 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2045 | %s %s -e '/^[^#]/b' \ |
2046 | -e '/^#[ ]*include[ ]/b' \ | |
2047 | -e '/^#[ ]*define[ ]/b' \ | |
2048 | -e '/^#[ ]*if[ ]/b' \ | |
2049 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2050 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2051 | -e '/^#[ ]*else/b' \ | |
2052 | -e '/^#[ ]*elif[ ]/b' \ | |
2053 | -e '/^#[ ]*undef[ ]/b' \ | |
2054 | -e '/^#[ ]*endif/b' \ | |
2055 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2056 | %s | %_ -C %_ %s", |
092bebab | 2057 | # endif |
79072805 LW |
2058 | #ifdef LOC_SED |
2059 | LOC_SED, | |
2060 | #else | |
2061 | "sed", | |
2062 | #endif | |
3280af22 | 2063 | (PL_doextract ? "-e '1,/^#/d\n'" : ""), |
79072805 | 2064 | #endif |
46fc3d4c | 2065 | scriptname, cpp, sv, CPPMINUS); |
3280af22 | 2066 | PL_doextract = FALSE; |
79072805 | 2067 | #ifdef IAMSUID /* actually, this is caught earlier */ |
b28d0864 | 2068 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ |
79072805 | 2069 | #ifdef HAS_SETEUID |
b28d0864 | 2070 | (void)seteuid(PL_uid); /* musn't stay setuid root */ |
79072805 LW |
2071 | #else |
2072 | #ifdef HAS_SETREUID | |
b28d0864 | 2073 | (void)setreuid((Uid_t)-1, PL_uid); |
85e6fe83 LW |
2074 | #else |
2075 | #ifdef HAS_SETRESUID | |
b28d0864 | 2076 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); |
79072805 | 2077 | #else |
b28d0864 | 2078 | PerlProc_setuid(PL_uid); |
79072805 LW |
2079 | #endif |
2080 | #endif | |
85e6fe83 | 2081 | #endif |
b28d0864 | 2082 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2083 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 LW |
2084 | } |
2085 | #endif /* IAMSUID */ | |
3280af22 | 2086 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2087 | SvREFCNT_dec(cmd); |
2088 | SvREFCNT_dec(cpp); | |
79072805 LW |
2089 | } |
2090 | else if (!*scriptname) { | |
bbce6d69 | 2091 | forbid_setid("program input from stdin"); |
3280af22 | 2092 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2093 | } |
96436eeb | 2094 | else { |
3280af22 | 2095 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2096 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2097 | if (PL_rsfp) |
2098 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2099 | #endif |
2100 | } | |
3280af22 | 2101 | if (!PL_rsfp) { |
13281fa4 | 2102 | #ifdef DOSUID |
a687059c | 2103 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
6b88bc9c GS |
2104 | if (PL_euid && |
2105 | PerlLIO_stat(SvPVX(GvSV(PL_curcop->cop_filegv)),&PL_statbuf) >= 0 && | |
2106 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
2107 | { | |
46fc3d4c | 2108 | /* try again */ |
cea2e8a9 GS |
2109 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl%s", BIN_EXP, PL_patchlevel), PL_origargv); |
2110 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
13281fa4 LW |
2111 | } |
2112 | #endif | |
2113 | #endif | |
cea2e8a9 | 2114 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3280af22 | 2115 | SvPVX(GvSV(PL_curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2116 | } |
79072805 | 2117 | } |
8d063cd8 | 2118 | |
7b89560d JH |
2119 | /* Mention |
2120 | * I_SYSSTATVFS HAS_FSTATVFS | |
2121 | * I_SYSMOUNT | |
2122 | * I_STATFS HAS_FSTATFS | |
2123 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
2124 | * here so that metaconfig picks them up. */ | |
2125 | ||
104d25b7 | 2126 | #ifdef IAMSUID |
864dbfa3 | 2127 | STATIC int |
cea2e8a9 | 2128 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 JH |
2129 | { |
2130 | int on_nosuid = 0; | |
2131 | int check_okay = 0; | |
2132 | /* | |
2133 | * Preferred order: fstatvfs(), fstatfs(), getmntent(). | |
2134 | * fstatvfs() is UNIX98. | |
2135 | * fstatfs() is BSD. | |
2136 | * getmntent() is O(number-of-mounted-filesystems) and can hang. | |
2137 | */ | |
2138 | ||
2139 | # ifdef HAS_FSTATVFS | |
2140 | struct statvfs stfs; | |
2141 | check_okay = fstatvfs(fd, &stfs) == 0; | |
2142 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
2143 | # else | |
2144 | # if defined(HAS_FSTATFS) && defined(HAS_STRUCT_STATFS_FLAGS) | |
2145 | struct statfs stfs; | |
2146 | check_okay = fstatfs(fd, &stfs) == 0; | |
2147 | # undef PERL_MOUNT_NOSUID | |
2148 | # if !defined(PERL_MOUNT_NOSUID) && defined(MNT_NOSUID) | |
2149 | # define PERL_MOUNT_NOSUID MNT_NOSUID | |
2150 | # endif | |
2151 | # if !defined(PERL_MOUNT_NOSUID) && defined(MS_NOSUID) | |
2152 | # define PERL_MOUNT_NOSUID MS_NOSUID | |
2153 | # endif | |
2154 | # if !defined(PERL_MOUNT_NOSUID) && defined(M_NOSUID) | |
2155 | # define PERL_MOUNT_NOSUID M_NOSUID | |
2156 | # endif | |
2157 | # ifdef PERL_MOUNT_NOSUID | |
2158 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); | |
2159 | # endif | |
2160 | # else | |
32b3cf08 | 2161 | # if defined(HAS_GETMNTENT) && defined(HAS_HASMNTOPT) && defined(MNTOPT_NOSUID) |
104d25b7 JH |
2162 | FILE *mtab = fopen("/etc/mtab", "r"); |
2163 | struct mntent *entry; | |
2164 | struct stat stb, fsb; | |
2165 | ||
2166 | if (mtab && (fstat(fd, &stb) == 0)) { | |
2167 | while (entry = getmntent(mtab)) { | |
2168 | if (stat(entry->mnt_dir, &fsb) == 0 | |
2169 | && fsb.st_dev == stb.st_dev) | |
2170 | { | |
2171 | /* found the filesystem */ | |
2172 | check_okay = 1; | |
2173 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
2174 | on_nosuid = 1; | |
2175 | break; | |
2176 | } /* A single fs may well fail its stat(). */ | |
2177 | } | |
2178 | } | |
2179 | if (mtab) | |
2180 | fclose(mtab); | |
2181 | # endif /* mntent */ | |
2182 | # endif /* statfs */ | |
2183 | # endif /* statvfs */ | |
2184 | if (!check_okay) | |
cea2e8a9 | 2185 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\"", PL_origfilename); |
104d25b7 JH |
2186 | return on_nosuid; |
2187 | } | |
2188 | #endif /* IAMSUID */ | |
2189 | ||
76e3520e | 2190 | STATIC void |
cea2e8a9 | 2191 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 2192 | { |
96436eeb | 2193 | int which; |
2194 | ||
13281fa4 LW |
2195 | /* do we need to emulate setuid on scripts? */ |
2196 | ||
2197 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2198 | * in the kernel because of a security problem. Merely defining DOSUID | |
2199 | * in perl will not fix that problem, but if you have disabled setuid | |
2200 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2201 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2202 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2203 | * discovers that it has opened a setuid script, it calls suidperl with | |
2204 | * the same argv that it had. If suidperl finds that the script it has | |
2205 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2206 | * uid. We don't just make perl setuid root because that loses the | |
2207 | * effective uid we had before invoking perl, if it was different from the | |
2208 | * uid. | |
13281fa4 LW |
2209 | * |
2210 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2211 | * be defined in suidperl only. suidperl must be setuid root. The | |
2212 | * Configure script will set this up for you if you want it. | |
2213 | */ | |
a687059c | 2214 | |
13281fa4 | 2215 | #ifdef DOSUID |
ea0efc06 | 2216 | dTHR; |
6e72f9df | 2217 | char *s, *s2; |
a0d0e21e | 2218 | |
b28d0864 | 2219 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 2220 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 2221 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2222 | I32 len; |
2d8e6c8d | 2223 | STRLEN n_a; |
13281fa4 | 2224 | |
a687059c | 2225 | #ifdef IAMSUID |
fe14fcc3 | 2226 | #ifndef HAS_SETREUID |
a687059c LW |
2227 | /* On this access check to make sure the directories are readable, |
2228 | * there is actually a small window that the user could use to make | |
2229 | * filename point to an accessible directory. So there is a faint | |
2230 | * chance that someone could execute a setuid script down in a | |
2231 | * non-accessible directory. I don't know what to do about that. | |
2232 | * But I don't think it's too important. The manual lies when | |
2233 | * it says access() is useful in setuid programs. | |
2234 | */ | |
6b88bc9c | 2235 | if (PerlLIO_access(SvPVX(GvSV(PL_curcop->cop_filegv)),1)) /*double check*/ |
cea2e8a9 | 2236 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
2237 | #else |
2238 | /* If we can swap euid and uid, then we can determine access rights | |
2239 | * with a simple stat of the file, and then compare device and | |
2240 | * inode to make sure we did stat() on the same file we opened. | |
2241 | * Then we just have to make sure he or she can execute it. | |
2242 | */ | |
2243 | { | |
2244 | struct stat tmpstatbuf; | |
2245 | ||
85e6fe83 LW |
2246 | if ( |
2247 | #ifdef HAS_SETREUID | |
b28d0864 | 2248 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
2249 | #else |
2250 | # if HAS_SETRESUID | |
b28d0864 | 2251 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 2252 | # endif |
85e6fe83 | 2253 | #endif |
b28d0864 | 2254 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2255 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
6b88bc9c | 2256 | if (PerlLIO_stat(SvPVX(GvSV(PL_curcop->cop_filegv)),&tmpstatbuf) < 0) |
cea2e8a9 | 2257 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 2258 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
104d25b7 | 2259 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 2260 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 2261 | #endif |
b28d0864 NIS |
2262 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
2263 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
2264 | (void)PerlIO_close(PL_rsfp); | |
2265 | if (PL_rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ | |
2266 | PerlIO_printf(PL_rsfp, | |
ff0cee69 | 2267 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2268 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
b28d0864 NIS |
2269 | (long)PL_uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, |
2270 | (long)PL_statbuf.st_dev, (long)PL_statbuf.st_ino, | |
6b88bc9c | 2271 | SvPVX(GvSV(PL_curcop->cop_filegv)), |
b28d0864 NIS |
2272 | (long)PL_statbuf.st_uid, (long)PL_statbuf.st_gid); |
2273 | (void)PerlProc_pclose(PL_rsfp); | |
a687059c | 2274 | } |
cea2e8a9 | 2275 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2276 | } |
85e6fe83 LW |
2277 | if ( |
2278 | #ifdef HAS_SETREUID | |
b28d0864 | 2279 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
2280 | #else |
2281 | # if defined(HAS_SETRESUID) | |
b28d0864 | 2282 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 2283 | # endif |
85e6fe83 | 2284 | #endif |
b28d0864 | 2285 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 2286 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 2287 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 2288 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2289 | } |
fe14fcc3 | 2290 | #endif /* HAS_SETREUID */ |
a687059c LW |
2291 | #endif /* IAMSUID */ |
2292 | ||
b28d0864 | 2293 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 2294 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 2295 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 2296 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c GS |
2297 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
2298 | PL_curcop->cop_line++; | |
2299 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || | |
2d8e6c8d | 2300 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 2301 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 2302 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 2303 | if (*s == ' ') s++; |
45d8adaa | 2304 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 2305 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 2306 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2307 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 2308 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 2309 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2310 | /* |
2311 | * #! arg must be what we saw above. They can invoke it by | |
2312 | * mentioning suidperl explicitly, but they may not add any strange | |
2313 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2314 | */ | |
2315 | len = strlen(validarg); | |
2316 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2317 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 2318 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
2319 | |
2320 | #ifndef IAMSUID | |
b28d0864 NIS |
2321 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
2322 | PL_euid == PL_statbuf.st_uid) | |
2323 | if (!PL_do_undump) | |
cea2e8a9 | 2324 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2325 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2326 | #endif /* IAMSUID */ | |
13281fa4 | 2327 | |
b28d0864 NIS |
2328 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
2329 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 2330 | #ifndef IAMSUID |
46fc3d4c | 2331 | /* try again */ |
cea2e8a9 | 2332 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl%s", BIN_EXP, PL_patchlevel), PL_origargv); |
13281fa4 | 2333 | #endif |
cea2e8a9 | 2334 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
2335 | } |
2336 | ||
b28d0864 | 2337 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 2338 | #ifdef HAS_SETEGID |
b28d0864 | 2339 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 2340 | #else |
fe14fcc3 | 2341 | #ifdef HAS_SETREGID |
b28d0864 | 2342 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
2343 | #else |
2344 | #ifdef HAS_SETRESGID | |
b28d0864 | 2345 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 2346 | #else |
b28d0864 | 2347 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
2348 | #endif |
2349 | #endif | |
85e6fe83 | 2350 | #endif |
b28d0864 | 2351 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 2352 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 2353 | } |
b28d0864 NIS |
2354 | if (PL_statbuf.st_mode & S_ISUID) { |
2355 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 2356 | #ifdef HAS_SETEUID |
b28d0864 | 2357 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 2358 | #else |
fe14fcc3 | 2359 | #ifdef HAS_SETREUID |
b28d0864 | 2360 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
2361 | #else |
2362 | #ifdef HAS_SETRESUID | |
b28d0864 | 2363 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 2364 | #else |
b28d0864 | 2365 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
2366 | #endif |
2367 | #endif | |
85e6fe83 | 2368 | #endif |
b28d0864 | 2369 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 2370 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 2371 | } |
b28d0864 | 2372 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2373 | #ifdef HAS_SETEUID |
b28d0864 | 2374 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 2375 | #else |
fe14fcc3 | 2376 | #ifdef HAS_SETREUID |
b28d0864 | 2377 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 2378 | #else |
85e6fe83 | 2379 | #ifdef HAS_SETRESUID |
b28d0864 | 2380 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 2381 | #else |
b28d0864 | 2382 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 2383 | #endif |
a687059c LW |
2384 | #endif |
2385 | #endif | |
b28d0864 | 2386 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2387 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 2388 | } |
748a9306 | 2389 | init_ids(); |
b28d0864 | 2390 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 2391 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2392 | } |
2393 | #ifdef IAMSUID | |
6b88bc9c | 2394 | else if (PL_preprocess) |
cea2e8a9 | 2395 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 2396 | else if (fdscript >= 0) |
cea2e8a9 | 2397 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 2398 | else |
cea2e8a9 | 2399 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2400 | |
2401 | /* We absolutely must clear out any saved ids here, so we */ | |
2402 | /* exec the real perl, substituting fd script for scriptname. */ | |
2403 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
2404 | PerlIO_rewind(PL_rsfp); |
2405 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
2406 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
2407 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
2408 | Perl_croak(aTHX_ "Permission denied"); |
2409 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 2410 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 2411 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 2412 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2413 | #endif |
cea2e8a9 GS |
2414 | PerlProc_execv(Perl_form(aTHX_ "%s/perl%s", BIN_EXP, PL_patchlevel), PL_origargv);/* try again */ |
2415 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
13281fa4 | 2416 | #endif /* IAMSUID */ |
a687059c | 2417 | #else /* !DOSUID */ |
3280af22 | 2418 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 2419 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 | 2420 | dTHR; |
b28d0864 NIS |
2421 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
2422 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 2423 | || |
b28d0864 | 2424 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 2425 | ) |
b28d0864 | 2426 | if (!PL_do_undump) |
cea2e8a9 | 2427 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2428 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2429 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2430 | /* not set-id, must be wrapped */ | |
a687059c | 2431 | } |
13281fa4 | 2432 | #endif /* DOSUID */ |
79072805 | 2433 | } |
13281fa4 | 2434 | |
76e3520e | 2435 | STATIC void |
cea2e8a9 | 2436 | S_find_beginning(pTHX) |
79072805 | 2437 | { |
6e72f9df | 2438 | register char *s, *s2; |
33b78306 LW |
2439 | |
2440 | /* skip forward in input to the real script? */ | |
2441 | ||
bbce6d69 | 2442 | forbid_setid("-x"); |
3280af22 NIS |
2443 | while (PL_doextract) { |
2444 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 2445 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
6e72f9df | 2446 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
3280af22 NIS |
2447 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
2448 | PL_doextract = FALSE; | |
6e72f9df | 2449 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2450 | s2 = s; | |
2451 | while (*s == ' ' || *s == '\t') s++; | |
2452 | if (*s++ == '-') { | |
2453 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2454 | if (strnEQ(s2-4,"perl",4)) | |
2455 | /*SUPPRESS 530*/ | |
2456 | while (s = moreswitches(s)) ; | |
33b78306 | 2457 | } |
3280af22 | 2458 | if (PL_cddir && PerlDir_chdir(PL_cddir) < 0) |
cea2e8a9 | 2459 | Perl_croak(aTHX_ "Can't chdir to %s",PL_cddir); |
83025b21 LW |
2460 | } |
2461 | } | |
2462 | } | |
2463 | ||
afe37c7d | 2464 | |
76e3520e | 2465 | STATIC void |
cea2e8a9 | 2466 | S_init_ids(pTHX) |
352d5a3a | 2467 | { |
3280af22 NIS |
2468 | PL_uid = (int)PerlProc_getuid(); |
2469 | PL_euid = (int)PerlProc_geteuid(); | |
2470 | PL_gid = (int)PerlProc_getgid(); | |
2471 | PL_egid = (int)PerlProc_getegid(); | |
748a9306 | 2472 | #ifdef VMS |
b28d0864 NIS |
2473 | PL_uid |= PL_gid << 16; |
2474 | PL_euid |= PL_egid << 16; | |
748a9306 | 2475 | #endif |
3280af22 | 2476 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 2477 | } |
79072805 | 2478 | |
76e3520e | 2479 | STATIC void |
cea2e8a9 | 2480 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 2481 | { |
3280af22 | 2482 | if (PL_euid != PL_uid) |
cea2e8a9 | 2483 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 2484 | if (PL_egid != PL_gid) |
cea2e8a9 | 2485 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 2486 | } |
2487 | ||
1ee4443e IZ |
2488 | void |
2489 | Perl_init_debugger(pTHX) | |
748a9306 | 2490 | { |
11343788 | 2491 | dTHR; |
1ee4443e IZ |
2492 | HV *ostash = PL_curstash; |
2493 | ||
3280af22 NIS |
2494 | PL_curstash = PL_debstash; |
2495 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
2496 | AvREAL_off(PL_dbargs); | |
2497 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
2498 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
2499 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 2500 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
3280af22 NIS |
2501 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
2502 | sv_setiv(PL_DBsingle, 0); | |
2503 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); | |
2504 | sv_setiv(PL_DBtrace, 0); | |
2505 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); | |
2506 | sv_setiv(PL_DBsignal, 0); | |
1ee4443e | 2507 | PL_curstash = ostash; |
352d5a3a LW |
2508 | } |
2509 | ||
2ce36478 SM |
2510 | #ifndef STRESS_REALLOC |
2511 | #define REASONABLE(size) (size) | |
2512 | #else | |
2513 | #define REASONABLE(size) (1) /* unreasonable */ | |
2514 | #endif | |
2515 | ||
11343788 | 2516 | void |
cea2e8a9 | 2517 | Perl_init_stacks(pTHX) |
79072805 | 2518 | { |
e336de0d | 2519 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 2520 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 2521 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
2522 | PL_curstackinfo->si_type = PERLSI_MAIN; |
2523 | PL_curstack = PL_curstackinfo->si_stack; | |
2524 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 2525 | |
3280af22 NIS |
2526 | PL_stack_base = AvARRAY(PL_curstack); |
2527 | PL_stack_sp = PL_stack_base; | |
2528 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 2529 | |
3280af22 NIS |
2530 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
2531 | PL_tmps_floor = -1; | |
2532 | PL_tmps_ix = -1; | |
2533 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 2534 | |
3280af22 NIS |
2535 | New(54,PL_markstack,REASONABLE(32),I32); |
2536 | PL_markstack_ptr = PL_markstack; | |
2537 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 2538 | |
e336de0d GS |
2539 | SET_MARKBASE; |
2540 | ||
3280af22 NIS |
2541 | New(54,PL_scopestack,REASONABLE(32),I32); |
2542 | PL_scopestack_ix = 0; | |
2543 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 2544 | |
3280af22 NIS |
2545 | New(54,PL_savestack,REASONABLE(128),ANY); |
2546 | PL_savestack_ix = 0; | |
2547 | PL_savestack_max = REASONABLE(128); | |
79072805 | 2548 | |
3280af22 NIS |
2549 | New(54,PL_retstack,REASONABLE(16),OP*); |
2550 | PL_retstack_ix = 0; | |
2551 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 2552 | } |
33b78306 | 2553 | |
2ce36478 SM |
2554 | #undef REASONABLE |
2555 | ||
76e3520e | 2556 | STATIC void |
cea2e8a9 | 2557 | S_nuke_stacks(pTHX) |
6e72f9df | 2558 | { |
e858de61 | 2559 | dTHR; |
3280af22 NIS |
2560 | while (PL_curstackinfo->si_next) |
2561 | PL_curstackinfo = PL_curstackinfo->si_next; | |
2562 | while (PL_curstackinfo) { | |
2563 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 2564 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
2565 | Safefree(PL_curstackinfo->si_cxstack); |
2566 | Safefree(PL_curstackinfo); | |
2567 | PL_curstackinfo = p; | |
e336de0d | 2568 | } |
3280af22 NIS |
2569 | Safefree(PL_tmps_stack); |
2570 | Safefree(PL_markstack); | |
2571 | Safefree(PL_scopestack); | |
2572 | Safefree(PL_savestack); | |
2573 | Safefree(PL_retstack); | |
5f05dabc | 2574 | DEBUG( { |
3280af22 NIS |
2575 | Safefree(PL_debname); |
2576 | Safefree(PL_debdelim); | |
5f05dabc | 2577 | } ) |
378cc40b | 2578 | } |
33b78306 | 2579 | |
76e3520e | 2580 | #ifndef PERL_OBJECT |
760ac839 | 2581 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 2582 | #endif |
7aa04957 | 2583 | |
76e3520e | 2584 | STATIC void |
cea2e8a9 | 2585 | S_init_lexer(pTHX) |
8990e307 | 2586 | { |
76e3520e GS |
2587 | #ifdef PERL_OBJECT |
2588 | PerlIO *tmpfp; | |
2589 | #endif | |
3280af22 NIS |
2590 | tmpfp = PL_rsfp; |
2591 | PL_rsfp = Nullfp; | |
2592 | lex_start(PL_linestr); | |
2593 | PL_rsfp = tmpfp; | |
79cb57f6 | 2594 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
2595 | } |
2596 | ||
76e3520e | 2597 | STATIC void |
cea2e8a9 | 2598 | S_init_predump_symbols(pTHX) |
45d8adaa | 2599 | { |
11343788 | 2600 | dTHR; |
93a17b20 | 2601 | GV *tmpgv; |
a0d0e21e | 2602 | GV *othergv; |
af8c498a | 2603 | IO *io; |
79072805 | 2604 | |
864dbfa3 | 2605 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
2606 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
2607 | GvMULTI_on(PL_stdingv); | |
af8c498a GS |
2608 | io = GvIOp(PL_stdingv); |
2609 | IoIFP(io) = PerlIO_stdin(); | |
adbc6bb1 | 2610 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2611 | GvMULTI_on(tmpgv); |
af8c498a | 2612 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 2613 | |
85e6fe83 | 2614 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2615 | GvMULTI_on(tmpgv); |
af8c498a GS |
2616 | io = GvIOp(tmpgv); |
2617 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); | |
4633a7c4 | 2618 | setdefout(tmpgv); |
adbc6bb1 | 2619 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2620 | GvMULTI_on(tmpgv); |
af8c498a | 2621 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 2622 | |
a0d0e21e | 2623 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2624 | GvMULTI_on(othergv); |
af8c498a GS |
2625 | io = GvIOp(othergv); |
2626 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); | |
adbc6bb1 | 2627 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2628 | GvMULTI_on(tmpgv); |
af8c498a | 2629 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 2630 | |
3280af22 | 2631 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 2632 | |
3280af22 NIS |
2633 | if (!PL_osname) |
2634 | PL_osname = savepv(OSNAME); | |
79072805 | 2635 | } |
33b78306 | 2636 | |
76e3520e | 2637 | STATIC void |
cea2e8a9 | 2638 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) |
33b78306 | 2639 | { |
a863c7d1 | 2640 | dTHR; |
79072805 LW |
2641 | char *s; |
2642 | SV *sv; | |
2643 | GV* tmpgv; | |
fe14fcc3 | 2644 | |
79072805 | 2645 | argc--,argv++; /* skip name of script */ |
3280af22 | 2646 | if (PL_doswitches) { |
79072805 LW |
2647 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2648 | if (!argv[0][1]) | |
2649 | break; | |
2650 | if (argv[0][1] == '-') { | |
2651 | argc--,argv++; | |
2652 | break; | |
2653 | } | |
93a17b20 | 2654 | if (s = strchr(argv[0], '=')) { |
79072805 | 2655 | *s++ = '\0'; |
85e6fe83 | 2656 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2657 | } |
2658 | else | |
85e6fe83 | 2659 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2660 | } |
79072805 | 2661 | } |
3280af22 NIS |
2662 | PL_toptarget = NEWSV(0,0); |
2663 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
2664 | sv_setpvn(PL_toptarget, "", 0); | |
2665 | PL_bodytarget = NEWSV(0,0); | |
2666 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
2667 | sv_setpvn(PL_bodytarget, "", 0); | |
2668 | PL_formtarget = PL_bodytarget; | |
79072805 | 2669 | |
bbce6d69 | 2670 | TAINT; |
85e6fe83 | 2671 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
3280af22 | 2672 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 LW |
2673 | magicname("0", "0", 1); |
2674 | } | |
85e6fe83 | 2675 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
3280af22 NIS |
2676 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); |
2677 | if (PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { | |
2678 | GvMULTI_on(PL_argvgv); | |
2679 | (void)gv_AVadd(PL_argvgv); | |
2680 | av_clear(GvAVn(PL_argvgv)); | |
79072805 | 2681 | for (; argc > 0; argc--,argv++) { |
3280af22 | 2682 | av_push(GvAVn(PL_argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2683 | } |
2684 | } | |
3280af22 | 2685 | if (PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2686 | HV *hv; |
3280af22 NIS |
2687 | GvMULTI_on(PL_envgv); |
2688 | hv = GvHVn(PL_envgv); | |
2689 | hv_magic(hv, PL_envgv, 'E'); | |
4d2c4e07 | 2690 | #if !defined( VMS) && !defined(EPOC) /* VMS doesn't have environ array */ |
4633a7c4 LW |
2691 | /* Note that if the supplied env parameter is actually a copy |
2692 | of the global environ then it may now point to free'd memory | |
2693 | if the environment has been modified since. To avoid this | |
2694 | problem we treat env==NULL as meaning 'use the default' | |
2695 | */ | |
2696 | if (!env) | |
2697 | env = environ; | |
5aabfad6 | 2698 | if (env != environ) |
79072805 LW |
2699 | environ[0] = Nullch; |
2700 | for (; *env; env++) { | |
93a17b20 | 2701 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2702 | continue; |
2703 | *s++ = '\0'; | |
60ce6247 | 2704 | #if defined(MSDOS) |
137443ea | 2705 | (void)strupr(*env); |
2706 | #endif | |
79072805 LW |
2707 | sv = newSVpv(s--,0); |
2708 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2709 | *s = '='; | |
3e3baf6d TB |
2710 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2711 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2712 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2713 | #endif |
fe14fcc3 | 2714 | } |
4550b24a | 2715 | #endif |
2716 | #ifdef DYNAMIC_ENV_FETCH | |
2717 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2718 | #endif | |
79072805 | 2719 | } |
bbce6d69 | 2720 | TAINT_NOT; |
85e6fe83 | 2721 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2722 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2723 | } |
34de22dd | 2724 | |
76e3520e | 2725 | STATIC void |
cea2e8a9 | 2726 | S_init_perllib(pTHX) |
34de22dd | 2727 | { |
85e6fe83 | 2728 | char *s; |
3280af22 | 2729 | if (!PL_tainting) { |
552a7a9b | 2730 | #ifndef VMS |
76e3520e | 2731 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2732 | if (s) |
774d564b | 2733 | incpush(s, TRUE); |
85e6fe83 | 2734 | else |
76e3520e | 2735 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2736 | #else /* VMS */ |
2737 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2738 | * "natural" VMS idiom for a Unix path string. We allow each | |
2739 | * element to be a set of |-separated directories for compatibility. | |
2740 | */ | |
2741 | char buf[256]; | |
2742 | int idx = 0; | |
2743 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2744 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2745 | else |
774d564b | 2746 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2747 | #endif /* VMS */ |
85e6fe83 | 2748 | } |
34de22dd | 2749 | |
c90c0ff4 | 2750 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2751 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2752 | */ |
4633a7c4 | 2753 | #ifdef APPLLIB_EXP |
43051805 | 2754 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2755 | #endif |
4633a7c4 | 2756 | |
fed7345c | 2757 | #ifdef ARCHLIB_EXP |
774d564b | 2758 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2759 | #endif |
fed7345c AD |
2760 | #ifndef PRIVLIB_EXP |
2761 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2762 | #endif |
00dc2f4f GS |
2763 | #if defined(WIN32) |
2764 | incpush(PRIVLIB_EXP, TRUE); | |
2765 | #else | |
774d564b | 2766 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 2767 | #endif |
4633a7c4 LW |
2768 | |
2769 | #ifdef SITEARCH_EXP | |
774d564b | 2770 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2771 | #endif |
2772 | #ifdef SITELIB_EXP | |
00dc2f4f GS |
2773 | #if defined(WIN32) |
2774 | incpush(SITELIB_EXP, TRUE); | |
2775 | #else | |
774d564b | 2776 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2777 | #endif |
81c6dfba | 2778 | #endif |
a3635516 JH |
2779 | #if defined(PERL_VENDORLIB_EXP) |
2780 | #if defined(WIN32) | |
265f5c4a | 2781 | incpush(PERL_VENDORLIB_EXP, TRUE); |
a3635516 JH |
2782 | #else |
2783 | incpush(PERL_VENDORLIB_EXP, FALSE); | |
2784 | #endif | |
00dc2f4f | 2785 | #endif |
3280af22 | 2786 | if (!PL_tainting) |
774d564b | 2787 | incpush(".", FALSE); |
2788 | } | |
2789 | ||
2790 | #if defined(DOSISH) | |
2791 | # define PERLLIB_SEP ';' | |
2792 | #else | |
2793 | # if defined(VMS) | |
2794 | # define PERLLIB_SEP '|' | |
2795 | # else | |
2796 | # define PERLLIB_SEP ':' | |
2797 | # endif | |
2798 | #endif | |
2799 | #ifndef PERLLIB_MANGLE | |
2800 | # define PERLLIB_MANGLE(s,n) (s) | |
2801 | #endif | |
2802 | ||
76e3520e | 2803 | STATIC void |
cea2e8a9 | 2804 | S_incpush(pTHX_ char *p, int addsubdirs) |
774d564b | 2805 | { |
2806 | SV *subdir = Nullsv; | |
774d564b | 2807 | |
2808 | if (!p) | |
2809 | return; | |
2810 | ||
2811 | if (addsubdirs) { | |
00db4c45 | 2812 | subdir = sv_newmortal(); |
3280af22 NIS |
2813 | if (!PL_archpat_auto) { |
2814 | STRLEN len = (sizeof(ARCHNAME) + strlen(PL_patchlevel) | |
774d564b | 2815 | + sizeof("//auto")); |
3280af22 NIS |
2816 | New(55, PL_archpat_auto, len, char); |
2817 | sprintf(PL_archpat_auto, "/%s/%s/auto", ARCHNAME, PL_patchlevel); | |
aa689395 | 2818 | #ifdef VMS |
2819 | for (len = sizeof(ARCHNAME) + 2; | |
6b88bc9c GS |
2820 | PL_archpat_auto[len] != '\0' && PL_archpat_auto[len] != '/'; len++) |
2821 | if (PL_archpat_auto[len] == '.') PL_archpat_auto[len] = '_'; | |
aa689395 | 2822 | #endif |
774d564b | 2823 | } |
2824 | } | |
2825 | ||
2826 | /* Break at all separators */ | |
2827 | while (p && *p) { | |
8c52afec | 2828 | SV *libdir = NEWSV(55,0); |
774d564b | 2829 | char *s; |
2830 | ||
2831 | /* skip any consecutive separators */ | |
2832 | while ( *p == PERLLIB_SEP ) { | |
2833 | /* Uncomment the next line for PATH semantics */ | |
79cb57f6 | 2834 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ |
774d564b | 2835 | p++; |
2836 | } | |
2837 | ||
2838 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2839 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2840 | (STRLEN)(s - p)); | |
2841 | p = s + 1; | |
2842 | } | |
2843 | else { | |
2844 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2845 | p = Nullch; /* break out */ | |
2846 | } | |
2847 | ||
2848 | /* | |
2849 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2850 | * archname-specific sub-directories. | |
2851 | */ | |
2852 | if (addsubdirs) { | |
2853 | struct stat tmpstatbuf; | |
aa689395 | 2854 | #ifdef VMS |
2855 | char *unix; | |
2856 | STRLEN len; | |
774d564b | 2857 | |
2d8e6c8d | 2858 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 2859 | len = strlen(unix); |
2860 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2861 | sv_usepvn(libdir,unix,len); | |
2862 | } | |
2863 | else | |
2864 | PerlIO_printf(PerlIO_stderr(), | |
2865 | "Failed to unixify @INC element \"%s\"\n", | |
2d8e6c8d | 2866 | SvPV(libdir,len)); |
aa689395 | 2867 | #endif |
4fdae800 | 2868 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2869 | sv_setsv(subdir, libdir); |
3280af22 | 2870 | sv_catpv(subdir, PL_archpat_auto); |
76e3520e | 2871 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2872 | S_ISDIR(tmpstatbuf.st_mode)) |
3280af22 | 2873 | av_push(GvAVn(PL_incgv), |
79cb57f6 | 2874 | newSVpvn(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
774d564b | 2875 | |
4fdae800 | 2876 | /* .../archname if -d .../archname/auto */ |
774d564b | 2877 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
3280af22 | 2878 | strlen(PL_patchlevel) + 1, "", 0); |
76e3520e | 2879 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2880 | S_ISDIR(tmpstatbuf.st_mode)) |
3280af22 | 2881 | av_push(GvAVn(PL_incgv), |
79cb57f6 | 2882 | newSVpvn(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
774d564b | 2883 | } |
2884 | ||
2885 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 2886 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 2887 | } |
34de22dd | 2888 | } |
93a17b20 | 2889 | |
199100c8 | 2890 | #ifdef USE_THREADS |
76e3520e | 2891 | STATIC struct perl_thread * |
cea2e8a9 | 2892 | S_init_main_thread(pTHX) |
199100c8 | 2893 | { |
c5be433b | 2894 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 2895 | struct perl_thread *thr; |
cea2e8a9 | 2896 | #endif |
199100c8 MB |
2897 | XPV *xpv; |
2898 | ||
52e1cb5e | 2899 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 2900 | PL_curcop = &PL_compiling; |
c5be433b | 2901 | thr->interp = PERL_GET_INTERP; |
199100c8 | 2902 | thr->cvcache = newHV(); |
54b9620d | 2903 | thr->threadsv = newAV(); |
940cb80d | 2904 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2905 | thr->specific = newAV(); |
38a03e6e | 2906 | thr->errhv = newHV(); |
199100c8 MB |
2907 | thr->flags = THRf_R_JOINABLE; |
2908 | MUTEX_INIT(&thr->mutex); | |
2909 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 2910 | New(53, PL_thrsv, 1, SV); |
199100c8 | 2911 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
2912 | SvFLAGS(PL_thrsv) = SVt_PV; |
2913 | SvANY(PL_thrsv) = (void*)xpv; | |
2914 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
2915 | SvPVX(PL_thrsv) = (char*)thr; | |
2916 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
2917 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
2918 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
2919 | thr->oursv = PL_thrsv; | |
2920 | PL_chopset = " \n-"; | |
3967c732 | 2921 | PL_dumpindent = 4; |
533c011a NIS |
2922 | |
2923 | MUTEX_LOCK(&PL_threads_mutex); | |
2924 | PL_nthreads++; | |
199100c8 MB |
2925 | thr->tid = 0; |
2926 | thr->next = thr; | |
2927 | thr->prev = thr; | |
533c011a | 2928 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 2929 | |
4b026b9e | 2930 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 2931 | Perl_init_thread_intern(thr); |
235db74f GS |
2932 | #endif |
2933 | ||
2934 | #ifdef SET_THREAD_SELF | |
2935 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2936 | #else |
2937 | thr->self = pthread_self(); | |
235db74f | 2938 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2939 | SET_THR(thr); |
2940 | ||
2941 | /* | |
2942 | * These must come after the SET_THR because sv_setpvn does | |
2943 | * SvTAINT and the taint fields require dTHR. | |
2944 | */ | |
533c011a NIS |
2945 | PL_toptarget = NEWSV(0,0); |
2946 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
2947 | sv_setpvn(PL_toptarget, "", 0); | |
2948 | PL_bodytarget = NEWSV(0,0); | |
2949 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
2950 | sv_setpvn(PL_bodytarget, "", 0); | |
2951 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 2952 | thr->errsv = newSVpvn("", 0); |
78857c3c | 2953 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 2954 | |
533c011a | 2955 | PL_maxscream = -1; |
0b94c7bb GS |
2956 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
2957 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
2958 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
2959 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
2960 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
2961 | PL_regindent = 0; |
2962 | PL_reginterp_cnt = 0; | |
5c0ca799 | 2963 | |
199100c8 MB |
2964 | return thr; |
2965 | } | |
2966 | #endif /* USE_THREADS */ | |
2967 | ||
93a17b20 | 2968 | void |
864dbfa3 | 2969 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 2970 | { |
11343788 | 2971 | dTHR; |
312caa8e | 2972 | SV *atsv = ERRSV; |
3280af22 | 2973 | line_t oldline = PL_curcop->cop_line; |
312caa8e | 2974 | CV *cv; |
22921e25 | 2975 | STRLEN len; |
6224f72b | 2976 | int ret; |
93a17b20 | 2977 | |
76e3520e | 2978 | while (AvFILL(paramList) >= 0) { |
312caa8e | 2979 | cv = (CV*)av_shift(paramList); |
8990e307 | 2980 | SAVEFREESV(cv); |
0b94c7bb | 2981 | CALLPROTECT(aTHX_ &ret, MEMBER_TO_FPTR(S_call_list_body), cv); |
6224f72b | 2982 | switch (ret) { |
312caa8e CS |
2983 | case 0: |
2984 | (void)SvPV(atsv, len); | |
2985 | if (len) { | |
2986 | PL_curcop = &PL_compiling; | |
2987 | PL_curcop->cop_line = oldline; | |
2988 | if (paramList == PL_beginav) | |
2989 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
2990 | else | |
2991 | sv_catpv(atsv, "END failed--cleanup aborted"); | |
2992 | while (PL_scopestack_ix > oldscope) | |
2993 | LEAVE; | |
cea2e8a9 | 2994 | Perl_croak(aTHX_ "%s", SvPVX(atsv)); |
a0d0e21e | 2995 | } |
85e6fe83 | 2996 | break; |
6224f72b | 2997 | case 1: |
f86702cc | 2998 | STATUS_ALL_FAILURE; |
85e6fe83 | 2999 | /* FALL THROUGH */ |
6224f72b | 3000 | case 2: |
85e6fe83 | 3001 | /* my_exit() was called */ |
3280af22 | 3002 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 3003 | LEAVE; |
84902520 | 3004 | FREETMPS; |
3280af22 NIS |
3005 | PL_curstash = PL_defstash; |
3006 | if (PL_endav) | |
3007 | call_list(oldscope, PL_endav); | |
3280af22 NIS |
3008 | PL_curcop = &PL_compiling; |
3009 | PL_curcop->cop_line = oldline; | |
3010 | if (PL_statusvalue) { | |
3011 | if (paramList == PL_beginav) | |
cea2e8a9 | 3012 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 3013 | else |
cea2e8a9 | 3014 | Perl_croak(aTHX_ "END failed--cleanup aborted"); |
85e6fe83 | 3015 | } |
f86702cc | 3016 | my_exit_jump(); |
85e6fe83 | 3017 | /* NOTREACHED */ |
6224f72b | 3018 | case 3: |
312caa8e CS |
3019 | if (PL_restartop) { |
3020 | PL_curcop = &PL_compiling; | |
3021 | PL_curcop->cop_line = oldline; | |
3022 | JMPENV_JUMP(3); | |
85e6fe83 | 3023 | } |
312caa8e CS |
3024 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
3025 | FREETMPS; | |
3026 | break; | |
8990e307 | 3027 | } |
93a17b20 | 3028 | } |
93a17b20 | 3029 | } |
93a17b20 | 3030 | |
312caa8e | 3031 | STATIC void * |
cea2e8a9 | 3032 | S_call_list_body(pTHX_ va_list args) |
312caa8e CS |
3033 | { |
3034 | dTHR; | |
3035 | CV *cv = va_arg(args, CV*); | |
3036 | ||
3037 | PUSHMARK(PL_stack_sp); | |
864dbfa3 | 3038 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
3039 | return NULL; |
3040 | } | |
3041 | ||
f86702cc | 3042 | void |
864dbfa3 | 3043 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 3044 | { |
5dc0d613 MB |
3045 | dTHR; |
3046 | ||
8b73bbec | 3047 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 3048 | thr, (unsigned long) status)); |
f86702cc | 3049 | switch (status) { |
3050 | case 0: | |
3051 | STATUS_ALL_SUCCESS; | |
3052 | break; | |
3053 | case 1: | |
3054 | STATUS_ALL_FAILURE; | |
3055 | break; | |
3056 | default: | |
3057 | STATUS_NATIVE_SET(status); | |
3058 | break; | |
3059 | } | |
3060 | my_exit_jump(); | |
3061 | } | |
3062 | ||
3063 | void | |
864dbfa3 | 3064 | Perl_my_failure_exit(pTHX) |
f86702cc | 3065 | { |
3066 | #ifdef VMS | |
3067 | if (vaxc$errno & 1) { | |
4fdae800 | 3068 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
3069 | STATUS_NATIVE_SET(44); | |
f86702cc | 3070 | } |
3071 | else { | |
ff0cee69 | 3072 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 3073 | STATUS_NATIVE_SET(44); |
f86702cc | 3074 | else |
4fdae800 | 3075 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 3076 | } |
3077 | #else | |
9b599b2a | 3078 | int exitstatus; |
f86702cc | 3079 | if (errno & 255) |
3080 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
3081 | else { |
3082 | exitstatus = STATUS_POSIX >> 8; | |
3083 | if (exitstatus & 255) | |
3084 | STATUS_POSIX_SET(exitstatus); | |
3085 | else | |
3086 | STATUS_POSIX_SET(255); | |
3087 | } | |
f86702cc | 3088 | #endif |
3089 | my_exit_jump(); | |
93a17b20 LW |
3090 | } |
3091 | ||
76e3520e | 3092 | STATIC void |
cea2e8a9 | 3093 | S_my_exit_jump(pTHX) |
f86702cc | 3094 | { |
de616352 | 3095 | dTHR; |
c09156bb | 3096 | register PERL_CONTEXT *cx; |
f86702cc | 3097 | I32 gimme; |
3098 | SV **newsp; | |
3099 | ||
3280af22 NIS |
3100 | if (PL_e_script) { |
3101 | SvREFCNT_dec(PL_e_script); | |
3102 | PL_e_script = Nullsv; | |
f86702cc | 3103 | } |
3104 | ||
3280af22 | 3105 | POPSTACK_TO(PL_mainstack); |
f86702cc | 3106 | if (cxstack_ix >= 0) { |
3107 | if (cxstack_ix > 0) | |
3108 | dounwind(0); | |
3280af22 | 3109 | POPBLOCK(cx,PL_curpm); |
f86702cc | 3110 | LEAVE; |
3111 | } | |
ff0cee69 | 3112 | |
6224f72b | 3113 | JMPENV_JUMP(2); |
f86702cc | 3114 | } |
873ef191 | 3115 | |
7a5f8e82 DL |
3116 | #ifdef PERL_OBJECT |
3117 | #define NO_XSLOCKS | |
873ef191 | 3118 | #include "XSUB.h" |
51371543 | 3119 | #endif |
873ef191 | 3120 | |
0cb96387 GS |
3121 | static I32 |
3122 | read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen) | |
873ef191 GS |
3123 | { |
3124 | char *p, *nl; | |
3280af22 | 3125 | p = SvPVX(PL_e_script); |
873ef191 | 3126 | nl = strchr(p, '\n'); |
3280af22 | 3127 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 3128 | if (nl-p == 0) { |
0cb96387 | 3129 | filter_del(read_e_script); |
873ef191 | 3130 | return 0; |
7dfe3f66 | 3131 | } |
873ef191 | 3132 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 3133 | sv_chop(PL_e_script, nl); |
873ef191 GS |
3134 | return 1; |
3135 | } | |
3136 | ||
1163b5c4 | 3137 |