Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 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 LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.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) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
71be2cbc | 27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 28 | |
a687059c LW |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID | |
31 | #define DOSUID | |
32 | #endif | |
33 | #endif | |
378cc40b | 34 | |
a687059c LW |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID | |
37 | #undef DOSUID | |
38 | #endif | |
39 | #endif | |
8d063cd8 | 40 | |
8ebc5c01 | 41 | #define I_REINIT \ |
42 | STMT_START { \ | |
43 | chopset = " \n-"; \ | |
44 | copline = NOLINE; \ | |
45 | curcop = &compiling; \ | |
46 | curcopdb = NULL; \ | |
47 | cxstack_ix = -1; \ | |
48 | cxstack_max = 128; \ | |
49 | dbargs = 0; \ | |
50 | dlmax = 128; \ | |
51 | laststatval = -1; \ | |
52 | laststype = OP_STAT; \ | |
53 | maxscream = -1; \ | |
54 | maxsysfd = MAXSYSFD; \ | |
55 | statname = Nullsv; \ | |
56 | tmps_floor = -1; \ | |
57 | tmps_ix = -1; \ | |
58 | op_mask = NULL; \ | |
59 | dlmax = 128; \ | |
60 | laststatval = -1; \ | |
61 | laststype = OP_STAT; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
199100c8 | 72 | #ifdef USE_THREADS |
52e1cb5e | 73 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 74 | #endif /* USE_THREADS */ |
a0d0e21e LW |
75 | static void init_perllib _((void)); |
76 | static void init_postdump_symbols _((int, char **, char **)); | |
77 | static void init_predump_symbols _((void)); | |
f86702cc | 78 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 79 | static void nuke_stacks _((void)); |
a0d0e21e | 80 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 81 | static void usage _((char *)); |
96436eeb | 82 | static void validate_suid _((char *, char*)); |
83 | ||
84 | static int fdscript = -1; | |
79072805 | 85 | |
93a17b20 | 86 | PerlInterpreter * |
8ac85365 | 87 | perl_alloc(void) |
79072805 | 88 | { |
93a17b20 | 89 | PerlInterpreter *sv_interp; |
79072805 | 90 | |
8990e307 | 91 | curinterp = 0; |
93a17b20 | 92 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
93 | return sv_interp; |
94 | } | |
95 | ||
96 | void | |
8ac85365 | 97 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 98 | { |
a863c7d1 MB |
99 | #ifdef USE_THREADS |
100 | int i; | |
101 | #ifndef FAKE_THREADS | |
52e1cb5e | 102 | struct perl_thread *thr; |
a863c7d1 MB |
103 | #endif /* FAKE_THREADS */ |
104 | #endif /* USE_THREADS */ | |
11343788 | 105 | |
79072805 LW |
106 | if (!(curinterp = sv_interp)) |
107 | return; | |
108 | ||
8990e307 | 109 | #ifdef MULTIPLICITY |
93a17b20 | 110 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 111 | #endif |
79072805 | 112 | |
33f46ff6 | 113 | /* Init the real globals (and main thread)? */ |
c116a00c | 114 | if (!linestr) { |
11343788 | 115 | #ifdef USE_THREADS |
8023c3ce | 116 | |
33f46ff6 | 117 | INIT_THREADS; |
d55594ae GS |
118 | #ifdef ALLOC_THREAD_KEY |
119 | ALLOC_THREAD_KEY; | |
120 | #else | |
a863c7d1 MB |
121 | if (pthread_key_create(&thr_key, 0)) |
122 | croak("panic: pthread_key_create"); | |
d55594ae | 123 | #endif |
c116a00c | 124 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
125 | /* |
126 | * Safe to use basic SV functions from now on (though | |
127 | * not things like mortals or tainting yet). | |
128 | */ | |
c116a00c MB |
129 | MUTEX_INIT(&eval_mutex); |
130 | COND_INIT(&eval_cond); | |
33f46ff6 | 131 | MUTEX_INIT(&threads_mutex); |
c116a00c | 132 | COND_INIT(&nthreads_cond); |
a863c7d1 | 133 | |
199100c8 | 134 | thr = init_main_thread(); |
11343788 MB |
135 | #endif /* USE_THREADS */ |
136 | ||
79072805 | 137 | linestr = NEWSV(65,80); |
ed6116ce | 138 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 139 | |
6e72f9df | 140 | if (!SvREADONLY(&sv_undef)) { |
141 | SvREADONLY_on(&sv_undef); | |
79072805 | 142 | |
6e72f9df | 143 | sv_setpv(&sv_no,No); |
144 | SvNV(&sv_no); | |
145 | SvREADONLY_on(&sv_no); | |
79072805 | 146 | |
6e72f9df | 147 | sv_setpv(&sv_yes,Yes); |
148 | SvNV(&sv_yes); | |
149 | SvREADONLY_on(&sv_yes); | |
150 | } | |
79072805 | 151 | |
c07a80fd | 152 | nrs = newSVpv("\n", 1); |
153 | rs = SvREFCNT_inc(nrs); | |
154 | ||
c23142e2 | 155 | sighandlerp = sighandler; |
44a8e56a | 156 | pidstatus = newHV(); |
157 | ||
79072805 LW |
158 | #ifdef MSDOS |
159 | /* | |
160 | * There is no way we can refer to them from Perl so close them to save | |
161 | * space. The other alternative would be to provide STDAUX and STDPRN | |
162 | * filehandles. | |
163 | */ | |
164 | (void)fclose(stdaux); | |
165 | (void)fclose(stdprn); | |
166 | #endif | |
167 | } | |
168 | ||
8990e307 | 169 | #ifdef MULTIPLICITY |
8ebc5c01 | 170 | I_REINIT; |
171 | perl_destruct_level = 1; | |
172 | #else | |
173 | if(perl_destruct_level > 0) | |
174 | I_REINIT; | |
79072805 LW |
175 | #endif |
176 | ||
748a9306 | 177 | init_ids(); |
fb73857a | 178 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 179 | |
54310121 | 180 | start_env.je_prev = NULL; |
181 | start_env.je_ret = -1; | |
182 | start_env.je_mustcatch = TRUE; | |
183 | top_env = &start_env; | |
f86702cc | 184 | STATUS_ALL_SUCCESS; |
185 | ||
36477c24 | 186 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 187 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 188 | sprintf(patchlevel, "%7.5f", (double) 5 |
189 | + ((double) PATCHLEVEL / (double) 1000) | |
190 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 191 | #else |
e2666263 | 192 | sprintf(patchlevel, "%5.3f", (double) 5 + |
193 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 194 | #endif |
79072805 | 195 | |
ab821d7f | 196 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 197 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 198 | #endif |
199 | ||
760ac839 LW |
200 | PerlIO_init(); /* Hook to IO system */ |
201 | ||
79072805 | 202 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 203 | |
11343788 MB |
204 | init_stacks(ARGS); |
205 | DEBUG( { | |
206 | New(51,debname,128,char); | |
207 | New(52,debdelim,128,char); | |
208 | } ) | |
209 | ||
8990e307 | 210 | ENTER; |
79072805 LW |
211 | } |
212 | ||
213 | void | |
8ac85365 | 214 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 215 | { |
11343788 | 216 | dTHR; |
748a9306 | 217 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 218 | I32 last_sv_count; |
a0d0e21e | 219 | HV *hv; |
1f2bfc8a | 220 | #ifdef USE_THREADS |
33f46ff6 | 221 | Thread t; |
1f2bfc8a | 222 | #endif /* USE_THREADS */ |
8990e307 | 223 | |
79072805 LW |
224 | if (!(curinterp = sv_interp)) |
225 | return; | |
748a9306 | 226 | |
11343788 | 227 | #ifdef USE_THREADS |
0f15f207 | 228 | #ifndef FAKE_THREADS |
8023c3ce MB |
229 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
230 | retry_cleanup: | |
33f46ff6 MB |
231 | MUTEX_LOCK(&threads_mutex); |
232 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 233 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
234 | nthreads - 1)); |
235 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
236 | MUTEX_LOCK(&t->mutex); |
237 | switch (ThrSTATE(t)) { | |
238 | AV *av; | |
c7848ba1 MB |
239 | case THRf_ZOMBIE: |
240 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
241 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
242 | ThrSETSTATE(t, THRf_DEAD); |
243 | MUTEX_UNLOCK(&t->mutex); | |
244 | nthreads--; | |
8023c3ce MB |
245 | /* |
246 | * The SvREFCNT_dec below may take a long time (e.g. av | |
247 | * may contain an object scalar whose destructor gets | |
248 | * called) so we have to unlock threads_mutex and start | |
249 | * all over again. | |
250 | */ | |
605e5515 | 251 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 252 | JOIN(t, &av); |
605e5515 | 253 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
254 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
255 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 256 | goto retry_cleanup; |
c7848ba1 MB |
257 | case THRf_R_JOINABLE: |
258 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
259 | "perl_destruct: detaching thread %p\n", t)); | |
260 | ThrSETSTATE(t, THRf_R_DETACHED); | |
261 | /* | |
262 | * We unlock threads_mutex and t->mutex in the opposite order | |
263 | * from which we locked them just so that DETACH won't | |
264 | * deadlock if it panics. It's only a breach of good style | |
265 | * not a bug since they are unlocks not locks. | |
266 | */ | |
267 | MUTEX_UNLOCK(&threads_mutex); | |
268 | DETACH(t); | |
269 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 270 | goto retry_cleanup; |
c7848ba1 MB |
271 | default: |
272 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
273 | "perl_destruct: ignoring %p (state %u)\n", | |
274 | t, ThrSTATE(t))); | |
275 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 276 | /* fall through and out */ |
33f46ff6 MB |
277 | } |
278 | } | |
8023c3ce MB |
279 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
280 | ||
281 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
282 | while (nthreads > 1) |
283 | { | |
33f46ff6 | 284 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 285 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
286 | nthreads - 1)); |
287 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
288 | } |
289 | /* At this point, we're the last thread */ | |
33f46ff6 | 290 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 291 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 292 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 293 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 294 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
295 | #endif /* USE_THREADS */ |
296 | ||
748a9306 | 297 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
298 | #ifdef DEBUGGING |
299 | { | |
300 | char *s; | |
5fd9e9a4 | 301 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 302 | int i = atoi(s); |
303 | if (destruct_level < i) | |
304 | destruct_level = i; | |
305 | } | |
4633a7c4 LW |
306 | } |
307 | #endif | |
308 | ||
8990e307 | 309 | LEAVE; |
a0d0e21e LW |
310 | FREETMPS; |
311 | ||
ff0cee69 | 312 | /* We must account for everything. */ |
313 | ||
314 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 315 | if (main_root) { |
316 | curpad = AvARRAY(comppad); | |
317 | op_free(main_root); | |
ff0cee69 | 318 | main_root = Nullop; |
a0d0e21e | 319 | } |
ff0cee69 | 320 | main_start = Nullop; |
321 | SvREFCNT_dec(main_cv); | |
322 | main_cv = Nullcv; | |
323 | ||
a0d0e21e LW |
324 | if (sv_objcount) { |
325 | /* | |
326 | * Try to destruct global references. We do this first so that the | |
327 | * destructors and destructees still exist. Some sv's might remain. | |
328 | * Non-referenced objects are on their own. | |
329 | */ | |
330 | ||
331 | dirty = TRUE; | |
332 | sv_clean_objs(); | |
8990e307 LW |
333 | } |
334 | ||
5cd24f17 | 335 | /* unhook hooks which will soon be, or use, destroyed data */ |
336 | SvREFCNT_dec(warnhook); | |
337 | warnhook = Nullsv; | |
338 | SvREFCNT_dec(diehook); | |
339 | diehook = Nullsv; | |
340 | SvREFCNT_dec(parsehook); | |
341 | parsehook = Nullsv; | |
342 | ||
a0d0e21e | 343 | if (destruct_level == 0){ |
8990e307 | 344 | |
a0d0e21e LW |
345 | DEBUG_P(debprofdump()); |
346 | ||
347 | /* The exit() function will do everything that needs doing. */ | |
348 | return; | |
349 | } | |
5dd60ef7 | 350 | |
5f05dabc | 351 | /* loosen bonds of global variables */ |
352 | ||
8ebc5c01 | 353 | if(rsfp) { |
354 | (void)PerlIO_close(rsfp); | |
355 | rsfp = Nullfp; | |
356 | } | |
357 | ||
358 | /* Filters for program text */ | |
359 | SvREFCNT_dec(rsfp_filters); | |
360 | rsfp_filters = Nullav; | |
361 | ||
362 | /* switches */ | |
363 | preprocess = FALSE; | |
364 | minus_n = FALSE; | |
365 | minus_p = FALSE; | |
366 | minus_l = FALSE; | |
367 | minus_a = FALSE; | |
368 | minus_F = FALSE; | |
369 | doswitches = FALSE; | |
370 | dowarn = FALSE; | |
371 | doextract = FALSE; | |
372 | sawampersand = FALSE; /* must save all match strings */ | |
373 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
374 | sawvec = FALSE; | |
375 | unsafe = FALSE; | |
376 | ||
377 | Safefree(inplace); | |
378 | inplace = Nullch; | |
379 | ||
380 | Safefree(e_tmpname); | |
381 | e_tmpname = Nullch; | |
382 | ||
383 | if (e_fp) { | |
384 | PerlIO_close(e_fp); | |
385 | e_fp = Nullfp; | |
386 | } | |
387 | ||
388 | /* magical thingies */ | |
389 | ||
390 | Safefree(ofs); /* $, */ | |
391 | ofs = Nullch; | |
5f05dabc | 392 | |
8ebc5c01 | 393 | Safefree(ors); /* $\ */ |
394 | ors = Nullch; | |
395 | ||
396 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 397 | nrs = Nullsv; |
398 | ||
8ebc5c01 | 399 | multiline = 0; /* $* */ |
5f05dabc | 400 | |
8ebc5c01 | 401 | SvREFCNT_dec(statname); |
5f05dabc | 402 | statname = Nullsv; |
403 | statgv = Nullgv; | |
5f05dabc | 404 | |
8ebc5c01 | 405 | /* defgv, aka *_ should be taken care of elsewhere */ |
406 | ||
8ebc5c01 | 407 | /* clean up after study() */ |
408 | SvREFCNT_dec(lastscream); | |
409 | lastscream = Nullsv; | |
410 | Safefree(screamfirst); | |
411 | screamfirst = 0; | |
412 | Safefree(screamnext); | |
413 | screamnext = 0; | |
414 | ||
415 | /* startup and shutdown function lists */ | |
416 | SvREFCNT_dec(beginav); | |
417 | SvREFCNT_dec(endav); | |
77a005ab | 418 | SvREFCNT_dec(initav); |
5618dfe8 | 419 | beginav = Nullav; |
5618dfe8 | 420 | endav = Nullav; |
77a005ab | 421 | initav = Nullav; |
5618dfe8 | 422 | |
8ebc5c01 | 423 | /* temp stack during pp_sort() */ |
424 | SvREFCNT_dec(sortstack); | |
425 | sortstack = Nullav; | |
426 | ||
427 | /* shortcuts just get cleared */ | |
428 | envgv = Nullgv; | |
429 | siggv = Nullgv; | |
430 | incgv = Nullgv; | |
12f917ad | 431 | errgv = Nullgv; |
8ebc5c01 | 432 | argvgv = Nullgv; |
433 | argvoutgv = Nullgv; | |
434 | stdingv = Nullgv; | |
435 | last_in_gv = Nullgv; | |
436 | ||
437 | /* reset so print() ends up where we expect */ | |
438 | setdefout(Nullgv); | |
439 | ||
a0d0e21e | 440 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 441 | |
a0d0e21e | 442 | hv = defstash; |
85e6fe83 | 443 | defstash = 0; |
a0d0e21e LW |
444 | SvREFCNT_dec(hv); |
445 | ||
446 | FREETMPS; | |
447 | if (destruct_level >= 2) { | |
448 | if (scopestack_ix != 0) | |
ff0cee69 | 449 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
450 | (long)scopestack_ix); | |
a0d0e21e | 451 | if (savestack_ix != 0) |
ff0cee69 | 452 | warn("Unbalanced saves: %ld more saves than restores\n", |
453 | (long)savestack_ix); | |
a0d0e21e | 454 | if (tmps_floor != -1) |
ff0cee69 | 455 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
456 | (long)tmps_floor + 1); | |
a0d0e21e | 457 | if (cxstack_ix != -1) |
ff0cee69 | 458 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
459 | (long)cxstack_ix + 1); | |
a0d0e21e | 460 | } |
8990e307 LW |
461 | |
462 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 463 | last_sv_count = 0; |
6e72f9df | 464 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
465 | while (sv_count != 0 && sv_count != last_sv_count) { |
466 | last_sv_count = sv_count; | |
467 | sv_clean_all(); | |
468 | } | |
6e72f9df | 469 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
470 | SvFLAGS(strtab) |= SVt_PVHV; | |
471 | ||
472 | /* Destruct the global string table. */ | |
473 | { | |
474 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
475 | * so that sv_free() won't fail on them. | |
476 | */ | |
477 | I32 riter; | |
478 | I32 max; | |
479 | HE *hent; | |
480 | HE **array; | |
481 | ||
482 | riter = 0; | |
483 | max = HvMAX(strtab); | |
484 | array = HvARRAY(strtab); | |
485 | hent = array[0]; | |
486 | for (;;) { | |
487 | if (hent) { | |
488 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
489 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
490 | HeVAL(hent) = Nullsv; | |
491 | hent = HeNEXT(hent); | |
492 | } | |
493 | if (!hent) { | |
494 | if (++riter > max) | |
495 | break; | |
496 | hent = array[riter]; | |
497 | } | |
498 | } | |
499 | } | |
500 | SvREFCNT_dec(strtab); | |
501 | ||
8990e307 | 502 | if (sv_count != 0) |
ff0cee69 | 503 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 504 | |
4633a7c4 | 505 | sv_free_arenas(); |
44a8e56a | 506 | |
507 | /* No SVs have survived, need to clean out */ | |
508 | linestr = NULL; | |
509 | pidstatus = Nullhv; | |
6e72f9df | 510 | if (origfilename) |
511 | Safefree(origfilename); | |
512 | nuke_stacks(); | |
fc36a67e | 513 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
514 | |
515 | DEBUG_P(debprofdump()); | |
11343788 MB |
516 | #ifdef USE_THREADS |
517 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 518 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 519 | COND_DESTROY(&eval_cond); |
fc36a67e | 520 | |
8023c3ce MB |
521 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
522 | Safefree(SvPVX(thrsv)); | |
523 | Safefree(SvANY(thrsv)); | |
524 | Safefree(thrsv); | |
525 | thrsv = Nullsv; | |
526 | #endif /* USE_THREADS */ | |
527 | ||
fc36a67e | 528 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
529 | ||
530 | if (mess_sv) { | |
531 | /* we know that type >= SVt_PV */ | |
532 | SvOOK_off(mess_sv); | |
533 | Safefree(SvPVX(mess_sv)); | |
534 | Safefree(SvANY(mess_sv)); | |
535 | Safefree(mess_sv); | |
536 | mess_sv = Nullsv; | |
537 | } | |
79072805 LW |
538 | } |
539 | ||
540 | void | |
8ac85365 | 541 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
542 | { |
543 | if (!(curinterp = sv_interp)) | |
544 | return; | |
545 | Safefree(sv_interp); | |
546 | } | |
547 | ||
548 | int | |
8ac85365 | 549 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 550 | { |
11343788 | 551 | dTHR; |
79072805 | 552 | register SV *sv; |
8d063cd8 | 553 | register char *s; |
1a30305b | 554 | char *scriptname = NULL; |
a0d0e21e | 555 | VOL bool dosearch = FALSE; |
13281fa4 | 556 | char *validarg = ""; |
2ae324a7 | 557 | I32 oldscope; |
748a9306 | 558 | AV* comppadlist; |
54310121 | 559 | dJMPENV; |
22921e25 | 560 | int ret; |
8d063cd8 | 561 | |
a687059c LW |
562 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
563 | #ifdef IAMSUID | |
564 | #undef IAMSUID | |
463ee0b2 | 565 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
566 | setuid perl scripts securely.\n"); |
567 | #endif | |
568 | #endif | |
569 | ||
79072805 LW |
570 | if (!(curinterp = sv_interp)) |
571 | return 255; | |
572 | ||
6e72f9df | 573 | #if defined(NeXT) && defined(__DYNAMIC__) |
574 | _dyld_lookup_and_bind | |
575 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
576 | #endif /* environ */ | |
577 | ||
ac58e20f LW |
578 | origargv = argv; |
579 | origargc = argc; | |
a0d0e21e | 580 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 581 | origenviron = environ; |
a0d0e21e | 582 | #endif |
ab821d7f | 583 | e_tmpname = Nullch; |
a0d0e21e LW |
584 | |
585 | if (do_undump) { | |
586 | ||
587 | /* Come here if running an undumped a.out. */ | |
588 | ||
589 | origfilename = savepv(argv[0]); | |
590 | do_undump = FALSE; | |
591 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 592 | init_ids(); |
a0d0e21e LW |
593 | init_postdump_symbols(argc,argv,env); |
594 | return 0; | |
595 | } | |
596 | ||
ff0cee69 | 597 | if (main_root) { |
598 | curpad = AvARRAY(comppad); | |
a0d0e21e | 599 | op_free(main_root); |
ff0cee69 | 600 | main_root = Nullop; |
601 | } | |
602 | main_start = Nullop; | |
603 | SvREFCNT_dec(main_cv); | |
604 | main_cv = Nullcv; | |
79072805 | 605 | |
f86702cc | 606 | time(&basetime); |
2ae324a7 | 607 | oldscope = scopestack_ix; |
f86702cc | 608 | |
22921e25 CS |
609 | JMPENV_PUSH(ret); |
610 | switch (ret) { | |
79072805 | 611 | case 1: |
f86702cc | 612 | STATUS_ALL_FAILURE; |
613 | /* FALL THROUGH */ | |
79072805 | 614 | case 2: |
f86702cc | 615 | /* my_exit() was called */ |
2ae324a7 | 616 | while (scopestack_ix > oldscope) |
617 | LEAVE; | |
84902520 | 618 | FREETMPS; |
8990e307 LW |
619 | curstash = defstash; |
620 | if (endav) | |
68dc0745 | 621 | call_list(oldscope, endav); |
54310121 | 622 | JMPENV_POP; |
f86702cc | 623 | return STATUS_NATIVE_EXPORT; |
79072805 | 624 | case 3: |
54310121 | 625 | JMPENV_POP; |
760ac839 | 626 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 627 | return 1; |
79072805 LW |
628 | } |
629 | ||
79072805 LW |
630 | sv_setpvn(linestr,"",0); |
631 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 632 | SAVEFREESV(sv); |
79072805 | 633 | init_main_stash(); |
54310121 | 634 | |
33b78306 | 635 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
636 | if (argv[0][0] != '-' || !argv[0][1]) |
637 | break; | |
13281fa4 LW |
638 | #ifdef DOSUID |
639 | if (*validarg) | |
640 | validarg = " PHOOEY "; | |
641 | else | |
642 | validarg = argv[0]; | |
643 | #endif | |
644 | s = argv[0]+1; | |
8d063cd8 | 645 | reswitch: |
13281fa4 | 646 | switch (*s) { |
27e2fb84 | 647 | case '0': |
2304df62 | 648 | case 'F': |
378cc40b | 649 | case 'a': |
33b78306 | 650 | case 'c': |
a687059c | 651 | case 'd': |
8d063cd8 | 652 | case 'D': |
4633a7c4 | 653 | case 'h': |
33b78306 | 654 | case 'i': |
fe14fcc3 | 655 | case 'l': |
1a30305b | 656 | case 'M': |
657 | case 'm': | |
33b78306 LW |
658 | case 'n': |
659 | case 'p': | |
79072805 | 660 | case 's': |
33b78306 LW |
661 | case 'u': |
662 | case 'U': | |
663 | case 'v': | |
664 | case 'w': | |
665 | if (s = moreswitches(s)) | |
666 | goto reswitch; | |
8d063cd8 | 667 | break; |
33b78306 | 668 | |
f86702cc | 669 | case 'T': |
670 | tainting = TRUE; | |
671 | s++; | |
672 | goto reswitch; | |
673 | ||
8d063cd8 | 674 | case 'e': |
a687059c | 675 | if (euid != uid || egid != gid) |
463ee0b2 | 676 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 677 | if (!e_fp) { |
a0d0e21e | 678 | e_tmpname = savepv(TMPPATH); |
3028581b | 679 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 680 | if (!*e_tmpname) |
463ee0b2 | 681 | croak("Can't mktemp()"); |
760ac839 | 682 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 683 | if (!e_fp) |
463ee0b2 | 684 | croak("Cannot open temporary file"); |
8d063cd8 | 685 | } |
552a7a9b | 686 | if (*++s) |
687 | PerlIO_puts(e_fp,s); | |
688 | else if (argv[1]) { | |
760ac839 | 689 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
690 | argc--,argv++; |
691 | } | |
552a7a9b | 692 | else |
693 | croak("No code specified for -e"); | |
760ac839 | 694 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 695 | break; |
fb73857a | 696 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 697 | forbid_setid("-I"); |
fb73857a | 698 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 699 | argc--,argv++; |
8d063cd8 | 700 | } |
fb73857a | 701 | while (s && isSPACE(*s)) |
702 | ++s; | |
703 | if (s && *s) { | |
704 | char *e, *p; | |
705 | for (e = s; *e && !isSPACE(*e); e++) ; | |
706 | p = savepvn(s, e-s); | |
707 | incpush(p, TRUE); | |
708 | sv_catpv(sv,"-I"); | |
709 | sv_catpv(sv,p); | |
710 | sv_catpv(sv," "); | |
711 | Safefree(p); | |
712 | } /* XXX else croak? */ | |
8d063cd8 | 713 | break; |
8d063cd8 | 714 | case 'P': |
bbce6d69 | 715 | forbid_setid("-P"); |
8d063cd8 | 716 | preprocess = TRUE; |
13281fa4 | 717 | s++; |
8d063cd8 | 718 | goto reswitch; |
378cc40b | 719 | case 'S': |
bbce6d69 | 720 | forbid_setid("-S"); |
378cc40b | 721 | dosearch = TRUE; |
13281fa4 | 722 | s++; |
378cc40b | 723 | goto reswitch; |
1a30305b | 724 | case 'V': |
725 | if (!preambleav) | |
726 | preambleav = newAV(); | |
727 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
728 | if (*++s != ':') { | |
6e72f9df | 729 | Sv = newSVpv("print myconfig();",0); |
730 | #ifdef VMS | |
731 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
732 | #else | |
733 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
734 | #endif | |
54310121 | 735 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 736 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 737 | # ifdef DEBUGGING |
46fc3d4c | 738 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 739 | # endif |
54310121 | 740 | # ifdef NO_EMBED |
46fc3d4c | 741 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 742 | # endif |
743 | # ifdef MULTIPLICITY | |
46fc3d4c | 744 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 745 | # endif |
46fc3d4c | 746 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 747 | #endif |
748 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 749 | if (LOCAL_PATCH_COUNT > 0) { |
750 | int i; | |
5cd24f17 | 751 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 752 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 753 | if (localpatches[i]) |
754 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 755 | } |
756 | } | |
757 | #endif | |
46fc3d4c | 758 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 759 | #ifdef __DATE__ |
760 | # ifdef __TIME__ | |
46fc3d4c | 761 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 762 | # else |
46fc3d4c | 763 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 764 | # endif |
6e72f9df | 765 | #endif |
54310121 | 766 | sv_catpv(Sv, "; \ |
767 | $\"=\"\\n \"; \ | |
768 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
769 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
770 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 771 | } |
772 | else { | |
773 | Sv = newSVpv("config_vars(qw(",0); | |
774 | sv_catpv(Sv, ++s); | |
775 | sv_catpv(Sv, "))"); | |
776 | s += strlen(s); | |
777 | } | |
778 | av_push(preambleav, Sv); | |
c07a80fd | 779 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 780 | goto reswitch; |
33b78306 LW |
781 | case 'x': |
782 | doextract = TRUE; | |
13281fa4 | 783 | s++; |
33b78306 | 784 | if (*s) |
a0d0e21e | 785 | cddir = savepv(s); |
33b78306 | 786 | break; |
8d063cd8 LW |
787 | case 0: |
788 | break; | |
fb73857a | 789 | case '-': |
790 | if (!*++s || isSPACE(*s)) { | |
791 | argc--,argv++; | |
792 | goto switch_end; | |
793 | } | |
794 | /* catch use of gnu style long options */ | |
795 | if (strEQ(s, "version")) { | |
796 | s = "v"; | |
797 | goto reswitch; | |
798 | } | |
799 | if (strEQ(s, "help")) { | |
800 | s = "h"; | |
801 | goto reswitch; | |
802 | } | |
803 | s--; | |
804 | /* FALL THROUGH */ | |
8d063cd8 | 805 | default: |
90248788 | 806 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
807 | } |
808 | } | |
809 | switch_end: | |
54310121 | 810 | |
5fd9e9a4 | 811 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 812 | while (s && *s) { |
54310121 | 813 | while (isSPACE(*s)) |
814 | s++; | |
815 | if (*s == '-') { | |
816 | s++; | |
817 | if (isSPACE(*s)) | |
818 | continue; | |
819 | } | |
820 | if (!*s) | |
821 | break; | |
822 | if (!strchr("DIMUdmw", *s)) | |
823 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
824 | s = moreswitches(s); | |
825 | } | |
826 | } | |
827 | ||
1a30305b | 828 | if (!scriptname) |
829 | scriptname = argv[0]; | |
8d063cd8 | 830 | if (e_fp) { |
68dc0745 | 831 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
832 | #ifndef MULTIPLICITY | |
833 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
834 | #endif | |
2304df62 | 835 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 836 | } |
ab821d7f | 837 | e_fp = Nullfp; |
8d063cd8 | 838 | argc++,argv--; |
45d8adaa | 839 | scriptname = e_tmpname; |
8d063cd8 | 840 | } |
79072805 LW |
841 | else if (scriptname == Nullch) { |
842 | #ifdef MSDOS | |
3028581b | 843 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 844 | moreswitches("h"); |
fe14fcc3 | 845 | #endif |
79072805 LW |
846 | scriptname = "-"; |
847 | } | |
fe14fcc3 | 848 | |
79072805 | 849 | init_perllib(); |
8d063cd8 | 850 | |
79072805 | 851 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 852 | |
96436eeb | 853 | validate_suid(validarg, scriptname); |
378cc40b | 854 | |
79072805 LW |
855 | if (doextract) |
856 | find_beginning(); | |
857 | ||
4fdae800 | 858 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 859 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 860 | CvUNIQUE_on(compcv); |
748a9306 | 861 | |
6e72f9df | 862 | comppad = newAV(); |
79072805 LW |
863 | av_push(comppad, Nullsv); |
864 | curpad = AvARRAY(comppad); | |
6e72f9df | 865 | comppad_name = newAV(); |
8990e307 | 866 | comppad_name_fill = 0; |
e858de61 MB |
867 | min_intro_pending = 0; |
868 | padix = 0; | |
11343788 MB |
869 | #ifdef USE_THREADS |
870 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 871 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 872 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 873 | CvOWNER(compcv) = 0; |
12ca11f6 | 874 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 875 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 876 | #endif /* USE_THREADS */ |
79072805 | 877 | |
748a9306 LW |
878 | comppadlist = newAV(); |
879 | AvREAL_off(comppadlist); | |
8e07c86e AD |
880 | av_store(comppadlist, 0, (SV*)comppad_name); |
881 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
882 | CvPADLIST(compcv) = comppadlist; |
883 | ||
6e72f9df | 884 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
885 | if (xsinit) |
886 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
39e571d4 | 887 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
888 | init_os_extras(); |
889 | #endif | |
93a17b20 | 890 | |
93a17b20 | 891 | init_predump_symbols(); |
8990e307 LW |
892 | if (!do_undump) |
893 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 894 | |
79072805 LW |
895 | init_lexer(); |
896 | ||
897 | /* now parse the script */ | |
898 | ||
61bb5906 | 899 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
900 | error_count = 0; |
901 | if (yyparse() || error_count) { | |
902 | if (minus_c) | |
463ee0b2 | 903 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 904 | else { |
463ee0b2 | 905 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 906 | origfilename); |
378cc40b | 907 | } |
79072805 LW |
908 | } |
909 | curcop->cop_line = 0; | |
910 | curstash = defstash; | |
911 | preprocess = FALSE; | |
ab821d7f | 912 | if (e_tmpname) { |
79072805 | 913 | (void)UNLINK(e_tmpname); |
ab821d7f | 914 | Safefree(e_tmpname); |
915 | e_tmpname = Nullch; | |
378cc40b | 916 | } |
a687059c | 917 | |
93a17b20 | 918 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 919 | SvREFCNT_dec(rs); |
920 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 921 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
922 | if (do_undump) |
923 | my_unexec(); | |
924 | ||
8990e307 LW |
925 | if (dowarn) |
926 | gv_check(defstash); | |
927 | ||
a0d0e21e LW |
928 | LEAVE; |
929 | FREETMPS; | |
c07a80fd | 930 | |
3562ef9b | 931 | #ifdef MYMALLOC |
5fd9e9a4 | 932 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 933 | dump_mstats("after compilation:"); |
934 | #endif | |
935 | ||
a0d0e21e LW |
936 | ENTER; |
937 | restartop = 0; | |
54310121 | 938 | JMPENV_POP; |
79072805 LW |
939 | return 0; |
940 | } | |
941 | ||
942 | int | |
8ac85365 | 943 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 944 | { |
11343788 | 945 | dTHR; |
2ae324a7 | 946 | I32 oldscope; |
22921e25 CS |
947 | dJMPENV; |
948 | int ret; | |
2ae324a7 | 949 | |
79072805 LW |
950 | if (!(curinterp = sv_interp)) |
951 | return 255; | |
2ae324a7 | 952 | |
953 | oldscope = scopestack_ix; | |
954 | ||
22921e25 CS |
955 | JMPENV_PUSH(ret); |
956 | switch (ret) { | |
79072805 LW |
957 | case 1: |
958 | cxstack_ix = -1; /* start context stack again */ | |
959 | break; | |
960 | case 2: | |
f86702cc | 961 | /* my_exit() was called */ |
2ae324a7 | 962 | while (scopestack_ix > oldscope) |
963 | LEAVE; | |
84902520 | 964 | FREETMPS; |
79072805 | 965 | curstash = defstash; |
93a17b20 | 966 | if (endav) |
68dc0745 | 967 | call_list(oldscope, endav); |
3562ef9b | 968 | #ifdef MYMALLOC |
5fd9e9a4 | 969 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 970 | dump_mstats("after execution: "); |
971 | #endif | |
54310121 | 972 | JMPENV_POP; |
f86702cc | 973 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
974 | case 3: |
975 | if (!restartop) { | |
760ac839 | 976 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 977 | FREETMPS; |
54310121 | 978 | JMPENV_POP; |
8990e307 | 979 | return 1; |
83025b21 | 980 | } |
6e72f9df | 981 | if (curstack != mainstack) { |
79072805 | 982 | dSP; |
6e72f9df | 983 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
984 | } |
985 | break; | |
8d063cd8 | 986 | } |
79072805 | 987 | |
fb73857a | 988 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 989 | sawampersand ? "Enabling" : "Omitting")); |
990 | ||
79072805 LW |
991 | if (!restartop) { |
992 | DEBUG_x(dump_all()); | |
760ac839 | 993 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 994 | #ifdef USE_THREADS |
5dc0d613 MB |
995 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
996 | (unsigned long) thr)); | |
11343788 | 997 | #endif /* USE_THREADS */ |
79072805 LW |
998 | |
999 | if (minus_c) { | |
760ac839 | 1000 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1001 | my_exit(0); |
1002 | } | |
84902520 | 1003 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1004 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1005 | if (initav) |
1006 | call_list(oldscope, initav); | |
45d8adaa | 1007 | } |
79072805 LW |
1008 | |
1009 | /* do it */ | |
1010 | ||
1011 | if (restartop) { | |
1012 | op = restartop; | |
1013 | restartop = 0; | |
ab821d7f | 1014 | runops(); |
79072805 LW |
1015 | } |
1016 | else if (main_start) { | |
4fdae800 | 1017 | CvDEPTH(main_cv) = 1; |
79072805 | 1018 | op = main_start; |
ab821d7f | 1019 | runops(); |
79072805 | 1020 | } |
79072805 LW |
1021 | |
1022 | my_exit(0); | |
54310121 | 1023 | /* NOTREACHED */ |
a0d0e21e | 1024 | return 0; |
79072805 LW |
1025 | } |
1026 | ||
a0d0e21e | 1027 | SV* |
8ac85365 | 1028 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1029 | { |
2faa37cc | 1030 | GV *gv; |
38a03e6e | 1031 | #ifdef USE_THREADS |
2faa37cc | 1032 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1033 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1034 | if (tmp != NOT_IN_PAD) { |
1035 | dTHR; | |
940cb80d | 1036 | return THREADSV(tmp); |
2faa37cc | 1037 | } |
38a03e6e MB |
1038 | } |
1039 | #endif /* USE_THREADS */ | |
2faa37cc | 1040 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1041 | if (gv) |
1042 | return GvSV(gv); | |
1043 | return Nullsv; | |
1044 | } | |
1045 | ||
1046 | AV* | |
8ac85365 | 1047 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1048 | { |
1049 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1050 | if (create) | |
1051 | return GvAVn(gv); | |
1052 | if (gv) | |
1053 | return GvAV(gv); | |
1054 | return Nullav; | |
1055 | } | |
1056 | ||
1057 | HV* | |
8ac85365 | 1058 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1059 | { |
1060 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1061 | if (create) | |
1062 | return GvHVn(gv); | |
1063 | if (gv) | |
1064 | return GvHV(gv); | |
1065 | return Nullhv; | |
1066 | } | |
1067 | ||
1068 | CV* | |
8ac85365 | 1069 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1070 | { |
1071 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1072 | if (create && !GvCVu(gv)) |
774d564b | 1073 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1074 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1075 | Nullop, |
a0d0e21e LW |
1076 | Nullop); |
1077 | if (gv) | |
8ebc5c01 | 1078 | return GvCVu(gv); |
a0d0e21e LW |
1079 | return Nullcv; |
1080 | } | |
1081 | ||
79072805 LW |
1082 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1083 | ||
a0d0e21e | 1084 | I32 |
22239a37 | 1085 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1086 | |
1087 | /* See G_* flags in cop.h */ | |
1088 | /* null terminated arg list */ | |
8990e307 | 1089 | { |
a0d0e21e | 1090 | dSP; |
8990e307 | 1091 | |
a0d0e21e LW |
1092 | PUSHMARK(sp); |
1093 | if (argv) { | |
8990e307 | 1094 | while (*argv) { |
a0d0e21e | 1095 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1096 | argv++; |
1097 | } | |
a0d0e21e | 1098 | PUTBACK; |
8990e307 | 1099 | } |
22239a37 | 1100 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1101 | } |
1102 | ||
a0d0e21e | 1103 | I32 |
22239a37 | 1104 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1105 | /* name of the subroutine */ |
1106 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1107 | { |
22239a37 | 1108 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1109 | } |
1110 | ||
1111 | I32 | |
8ac85365 NIS |
1112 | perl_call_method(char *methname, I32 flags) |
1113 | /* name of the subroutine */ | |
1114 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1115 | { |
1116 | dSP; | |
1117 | OP myop; | |
1118 | if (!op) | |
1119 | op = &myop; | |
1120 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1121 | PUTBACK; | |
11343788 | 1122 | pp_method(ARGS); |
a0d0e21e LW |
1123 | return perl_call_sv(*stack_sp--, flags); |
1124 | } | |
1125 | ||
1126 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1127 | I32 | |
8ac85365 NIS |
1128 | perl_call_sv(SV *sv, I32 flags) |
1129 | ||
1130 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1131 | { |
11343788 | 1132 | dTHR; |
a0d0e21e LW |
1133 | LOGOP myop; /* fake syntax tree node */ |
1134 | SV** sp = stack_sp; | |
aa689395 | 1135 | I32 oldmark; |
a0d0e21e | 1136 | I32 retval; |
a0d0e21e | 1137 | I32 oldscope; |
6e72f9df | 1138 | static CV *DBcv; |
54310121 | 1139 | bool oldcatch = CATCH_GET; |
1140 | dJMPENV; | |
22921e25 | 1141 | int ret; |
d6602a8c | 1142 | OP* oldop = op; |
1e422769 | 1143 | |
a0d0e21e LW |
1144 | if (flags & G_DISCARD) { |
1145 | ENTER; | |
1146 | SAVETMPS; | |
1147 | } | |
1148 | ||
aa689395 | 1149 | Zero(&myop, 1, LOGOP); |
54310121 | 1150 | myop.op_next = Nullop; |
f51d4af5 | 1151 | if (!(flags & G_NOARGS)) |
aa689395 | 1152 | myop.op_flags |= OPf_STACKED; |
54310121 | 1153 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1154 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1155 | OPf_WANT_SCALAR); | |
462e5cf6 | 1156 | SAVEOP(); |
a0d0e21e | 1157 | op = (OP*)&myop; |
aa689395 | 1158 | |
a0d0e21e LW |
1159 | EXTEND(stack_sp, 1); |
1160 | *++stack_sp = sv; | |
aa689395 | 1161 | oldmark = TOPMARK; |
a0d0e21e LW |
1162 | oldscope = scopestack_ix; |
1163 | ||
84902520 | 1164 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1165 | /* Handle first BEGIN of -d. */ |
1166 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1167 | /* Try harder, since this may have been a sighandler, thus | |
1168 | * curstash may be meaningless. */ | |
1169 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1170 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1171 | |
1172 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1173 | cLOGOP->op_other = op; |
1174 | markstack_ptr--; | |
4633a7c4 LW |
1175 | /* we're trying to emulate pp_entertry() here */ |
1176 | { | |
c09156bb | 1177 | register PERL_CONTEXT *cx; |
54310121 | 1178 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1179 | |
1180 | ENTER; | |
1181 | SAVETMPS; | |
1182 | ||
1183 | push_return(op->op_next); | |
1184 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1185 | PUSHEVAL(cx, 0, 0); | |
1186 | eval_root = op; /* Only needed so that goto works right. */ | |
1187 | ||
1188 | in_eval = 1; | |
1189 | if (flags & G_KEEPERR) | |
1190 | in_eval |= 4; | |
1191 | else | |
38a03e6e | 1192 | sv_setpv(ERRSV,""); |
4633a7c4 | 1193 | } |
a0d0e21e LW |
1194 | markstack_ptr++; |
1195 | ||
22921e25 CS |
1196 | JMPENV_PUSH(ret); |
1197 | switch (ret) { | |
a0d0e21e LW |
1198 | case 0: |
1199 | break; | |
1200 | case 1: | |
f86702cc | 1201 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1202 | /* FALL THROUGH */ |
1203 | case 2: | |
1204 | /* my_exit() was called */ | |
1205 | curstash = defstash; | |
1206 | FREETMPS; | |
54310121 | 1207 | JMPENV_POP; |
a0d0e21e LW |
1208 | if (statusvalue) |
1209 | croak("Callback called exit"); | |
f86702cc | 1210 | my_exit_jump(); |
a0d0e21e LW |
1211 | /* NOTREACHED */ |
1212 | case 3: | |
1213 | if (restartop) { | |
1214 | op = restartop; | |
1215 | restartop = 0; | |
54310121 | 1216 | break; |
a0d0e21e LW |
1217 | } |
1218 | stack_sp = stack_base + oldmark; | |
1219 | if (flags & G_ARRAY) | |
1220 | retval = 0; | |
1221 | else { | |
1222 | retval = 1; | |
1223 | *++stack_sp = &sv_undef; | |
1224 | } | |
1225 | goto cleanup; | |
1226 | } | |
1227 | } | |
1e422769 | 1228 | else |
54310121 | 1229 | CATCH_SET(TRUE); |
a0d0e21e LW |
1230 | |
1231 | if (op == (OP*)&myop) | |
11343788 | 1232 | op = pp_entersub(ARGS); |
a0d0e21e | 1233 | if (op) |
ab821d7f | 1234 | runops(); |
a0d0e21e | 1235 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1236 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1237 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1238 | |
1239 | cleanup: | |
1240 | if (flags & G_EVAL) { | |
1241 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1242 | SV **newsp; |
1243 | PMOP *newpm; | |
1244 | I32 gimme; | |
c09156bb | 1245 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1246 | I32 optype; |
1247 | ||
1248 | POPBLOCK(cx,newpm); | |
1249 | POPEVAL(cx); | |
1250 | pop_return(); | |
1251 | curpm = newpm; | |
1252 | LEAVE; | |
a0d0e21e | 1253 | } |
54310121 | 1254 | JMPENV_POP; |
a0d0e21e | 1255 | } |
1e422769 | 1256 | else |
54310121 | 1257 | CATCH_SET(oldcatch); |
1e422769 | 1258 | |
a0d0e21e LW |
1259 | if (flags & G_DISCARD) { |
1260 | stack_sp = stack_base + oldmark; | |
1261 | retval = 0; | |
1262 | FREETMPS; | |
1263 | LEAVE; | |
1264 | } | |
d6602a8c | 1265 | op = oldop; |
a0d0e21e LW |
1266 | return retval; |
1267 | } | |
1268 | ||
6e72f9df | 1269 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1270 | |
a0d0e21e | 1271 | I32 |
8ac85365 NIS |
1272 | perl_eval_sv(SV *sv, I32 flags) |
1273 | ||
1274 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1275 | { |
11343788 | 1276 | dTHR; |
a0d0e21e | 1277 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1278 | SV** sp = stack_sp; |
1279 | I32 oldmark = sp - stack_base; | |
1280 | I32 retval; | |
4633a7c4 | 1281 | I32 oldscope; |
54310121 | 1282 | dJMPENV; |
22921e25 | 1283 | int ret; |
84902520 TB |
1284 | OP* oldop = op; |
1285 | ||
4633a7c4 LW |
1286 | if (flags & G_DISCARD) { |
1287 | ENTER; | |
1288 | SAVETMPS; | |
1289 | } | |
1290 | ||
462e5cf6 | 1291 | SAVEOP(); |
79072805 | 1292 | op = (OP*)&myop; |
a0d0e21e | 1293 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1294 | EXTEND(stack_sp, 1); |
1295 | *++stack_sp = sv; | |
1296 | oldscope = scopestack_ix; | |
79072805 | 1297 | |
4633a7c4 LW |
1298 | if (!(flags & G_NOARGS)) |
1299 | myop.op_flags = OPf_STACKED; | |
79072805 | 1300 | myop.op_next = Nullop; |
6e72f9df | 1301 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1302 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1303 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1304 | OPf_WANT_SCALAR); | |
6e72f9df | 1305 | if (flags & G_KEEPERR) |
1306 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1307 | |
22921e25 CS |
1308 | JMPENV_PUSH(ret); |
1309 | switch (ret) { | |
4633a7c4 LW |
1310 | case 0: |
1311 | break; | |
1312 | case 1: | |
f86702cc | 1313 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1314 | /* FALL THROUGH */ |
1315 | case 2: | |
1316 | /* my_exit() was called */ | |
1317 | curstash = defstash; | |
1318 | FREETMPS; | |
54310121 | 1319 | JMPENV_POP; |
4633a7c4 LW |
1320 | if (statusvalue) |
1321 | croak("Callback called exit"); | |
f86702cc | 1322 | my_exit_jump(); |
4633a7c4 LW |
1323 | /* NOTREACHED */ |
1324 | case 3: | |
1325 | if (restartop) { | |
1326 | op = restartop; | |
1327 | restartop = 0; | |
54310121 | 1328 | break; |
4633a7c4 LW |
1329 | } |
1330 | stack_sp = stack_base + oldmark; | |
1331 | if (flags & G_ARRAY) | |
1332 | retval = 0; | |
1333 | else { | |
1334 | retval = 1; | |
1335 | *++stack_sp = &sv_undef; | |
1336 | } | |
1337 | goto cleanup; | |
1338 | } | |
1339 | ||
1340 | if (op == (OP*)&myop) | |
11343788 | 1341 | op = pp_entereval(ARGS); |
4633a7c4 | 1342 | if (op) |
ab821d7f | 1343 | runops(); |
4633a7c4 | 1344 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1345 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1346 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1347 | |
1348 | cleanup: | |
54310121 | 1349 | JMPENV_POP; |
4633a7c4 LW |
1350 | if (flags & G_DISCARD) { |
1351 | stack_sp = stack_base + oldmark; | |
1352 | retval = 0; | |
1353 | FREETMPS; | |
1354 | LEAVE; | |
1355 | } | |
84902520 | 1356 | op = oldop; |
4633a7c4 LW |
1357 | return retval; |
1358 | } | |
1359 | ||
137443ea | 1360 | SV* |
8ac85365 | 1361 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1362 | { |
1363 | dSP; | |
1364 | SV* sv = newSVpv(p, 0); | |
1365 | ||
1366 | PUSHMARK(sp); | |
1367 | perl_eval_sv(sv, G_SCALAR); | |
1368 | SvREFCNT_dec(sv); | |
1369 | ||
1370 | SPAGAIN; | |
1371 | sv = POPs; | |
1372 | PUTBACK; | |
1373 | ||
38a03e6e MB |
1374 | if (croak_on_error && SvTRUE(ERRSV)) |
1375 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1376 | |
1377 | return sv; | |
1378 | } | |
1379 | ||
4633a7c4 LW |
1380 | /* Require a module. */ |
1381 | ||
1382 | void | |
8ac85365 | 1383 | perl_require_pv(char *pv) |
4633a7c4 LW |
1384 | { |
1385 | SV* sv = sv_newmortal(); | |
1386 | sv_setpv(sv, "require '"); | |
1387 | sv_catpv(sv, pv); | |
1388 | sv_catpv(sv, "'"); | |
1389 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1390 | } |
1391 | ||
79072805 | 1392 | void |
8ac85365 | 1393 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1394 | { |
1395 | register GV *gv; | |
1396 | ||
85e6fe83 | 1397 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1398 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1399 | } | |
1400 | ||
ab821d7f | 1401 | static void |
8ac85365 NIS |
1402 | usage(char *name) /* XXX move this out into a module ? */ |
1403 | ||
4633a7c4 | 1404 | { |
ab821d7f | 1405 | /* This message really ought to be max 23 lines. |
1406 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1407 | |
1408 | static char *usage[] = { | |
1409 | "-0[octal] specify record separator (\\0, if no argument)", | |
1410 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1411 | "-c check syntax only (runs BEGIN and END blocks)", | |
1412 | "-d[:debugger] run scripts under debugger", | |
1413 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1414 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1415 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1416 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1417 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1418 | "-l[octal] enable line ending processing, specifies line terminator", | |
1419 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1420 | "-n assume 'while (<>) { ... }' loop around your script", | |
1421 | "-p assume loop like -n but print line also like sed", | |
1422 | "-P run script through C preprocessor before compilation", | |
1423 | "-s enable some switch parsing for switches after script name", | |
1424 | "-S look for the script using PATH environment variable", | |
1425 | "-T turn on tainting checks", | |
1426 | "-u dump core after parsing script", | |
1427 | "-U allow unsafe operations", | |
1428 | "-v print version number and patchlevel of perl", | |
1429 | "-V[:variable] print perl configuration information", | |
1430 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1431 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1432 | "\n", | |
1433 | NULL | |
1434 | }; | |
1435 | char **p = usage; | |
1436 | ||
ab821d7f | 1437 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1438 | while (*p) |
1439 | printf("\n %s", *p++); | |
4633a7c4 LW |
1440 | } |
1441 | ||
79072805 LW |
1442 | /* This routine handles any switches that can be given during run */ |
1443 | ||
1444 | char * | |
8ac85365 | 1445 | moreswitches(char *s) |
79072805 LW |
1446 | { |
1447 | I32 numlen; | |
c07a80fd | 1448 | U32 rschar; |
79072805 LW |
1449 | |
1450 | switch (*s) { | |
1451 | case '0': | |
a863c7d1 MB |
1452 | { |
1453 | dTHR; | |
c07a80fd | 1454 | rschar = scan_oct(s, 4, &numlen); |
1455 | SvREFCNT_dec(nrs); | |
1456 | if (rschar & ~((U8)~0)) | |
1457 | nrs = &sv_undef; | |
1458 | else if (!rschar && numlen >= 2) | |
1459 | nrs = newSVpv("", 0); | |
1460 | else { | |
1461 | char ch = rschar; | |
1462 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1463 | } |
1464 | return s + numlen; | |
a863c7d1 | 1465 | } |
2304df62 AD |
1466 | case 'F': |
1467 | minus_F = TRUE; | |
a0d0e21e | 1468 | splitstr = savepv(s + 1); |
2304df62 AD |
1469 | s += strlen(s); |
1470 | return s; | |
79072805 LW |
1471 | case 'a': |
1472 | minus_a = TRUE; | |
1473 | s++; | |
1474 | return s; | |
1475 | case 'c': | |
1476 | minus_c = TRUE; | |
1477 | s++; | |
1478 | return s; | |
1479 | case 'd': | |
bbce6d69 | 1480 | forbid_setid("-d"); |
4633a7c4 | 1481 | s++; |
c07a80fd | 1482 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1483 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1484 | s += strlen(s); |
4633a7c4 | 1485 | } |
a0d0e21e | 1486 | if (!perldb) { |
84902520 | 1487 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1488 | init_debugger(); |
1489 | } | |
79072805 LW |
1490 | return s; |
1491 | case 'D': | |
1492 | #ifdef DEBUGGING | |
bbce6d69 | 1493 | forbid_setid("-D"); |
79072805 | 1494 | if (isALPHA(s[1])) { |
8990e307 | 1495 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1496 | char *d; |
1497 | ||
93a17b20 | 1498 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1499 | debug |= 1 << (d - debopts); |
1500 | } | |
1501 | else { | |
1502 | debug = atoi(s+1); | |
1503 | for (s++; isDIGIT(*s); s++) ; | |
1504 | } | |
8990e307 | 1505 | debug |= 0x80000000; |
79072805 LW |
1506 | #else |
1507 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1508 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1509 | #endif |
1510 | /*SUPPRESS 530*/ | |
1511 | return s; | |
4633a7c4 LW |
1512 | case 'h': |
1513 | usage(origargv[0]); | |
3028581b | 1514 | PerlProc_exit(0); |
79072805 LW |
1515 | case 'i': |
1516 | if (inplace) | |
1517 | Safefree(inplace); | |
a0d0e21e | 1518 | inplace = savepv(s+1); |
79072805 LW |
1519 | /*SUPPRESS 530*/ |
1520 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1521 | if (*s) |
1522 | *s++ = '\0'; | |
1523 | return s; | |
1524 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1525 | forbid_setid("-I"); |
fb73857a | 1526 | ++s; |
1527 | while (*s && isSPACE(*s)) | |
1528 | ++s; | |
1529 | if (*s) { | |
774d564b | 1530 | char *e, *p; |
748a9306 | 1531 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1532 | p = savepvn(s, e-s); |
1533 | incpush(p, TRUE); | |
1534 | Safefree(p); | |
fb73857a | 1535 | s = e; |
79072805 LW |
1536 | } |
1537 | else | |
463ee0b2 | 1538 | croak("No space allowed after -I"); |
fb73857a | 1539 | return s; |
79072805 LW |
1540 | case 'l': |
1541 | minus_l = TRUE; | |
1542 | s++; | |
a0d0e21e LW |
1543 | if (ors) |
1544 | Safefree(ors); | |
79072805 | 1545 | if (isDIGIT(*s)) { |
a0d0e21e | 1546 | ors = savepv("\n"); |
79072805 LW |
1547 | orslen = 1; |
1548 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1549 | s += numlen; | |
1550 | } | |
1551 | else { | |
a863c7d1 | 1552 | dTHR; |
c07a80fd | 1553 | if (RsPARA(nrs)) { |
6e72f9df | 1554 | ors = "\n\n"; |
c07a80fd | 1555 | orslen = 2; |
1556 | } | |
1557 | else | |
1558 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1559 | ors = savepvn(ors, orslen); |
79072805 LW |
1560 | } |
1561 | return s; | |
1a30305b | 1562 | case 'M': |
bbce6d69 | 1563 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1564 | /* FALL THROUGH */ |
1565 | case 'm': | |
bbce6d69 | 1566 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1567 | if (*++s) { |
a5f75d66 | 1568 | char *start; |
11343788 | 1569 | SV *sv; |
a5f75d66 AD |
1570 | char *use = "use "; |
1571 | /* -M-foo == 'no foo' */ | |
1572 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1573 | sv = newSVpv(use,0); |
a5f75d66 | 1574 | start = s; |
1a30305b | 1575 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1576 | while(isALNUM(*s) || *s==':') ++s; |
1577 | if (*s != '=') { | |
11343788 | 1578 | sv_catpv(sv, start); |
c07a80fd | 1579 | if (*(start-1) == 'm') { |
1580 | if (*s != '\0') | |
1581 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1582 | sv_catpv( sv, " ()"); |
c07a80fd | 1583 | } |
1584 | } else { | |
11343788 MB |
1585 | sv_catpvn(sv, start, s-start); |
1586 | sv_catpv(sv, " split(/,/,q{"); | |
1587 | sv_catpv(sv, ++s); | |
1588 | sv_catpv(sv, "})"); | |
c07a80fd | 1589 | } |
1a30305b | 1590 | s += strlen(s); |
c07a80fd | 1591 | if (preambleav == NULL) |
1592 | preambleav = newAV(); | |
11343788 | 1593 | av_push(preambleav, sv); |
1a30305b | 1594 | } |
1595 | else | |
1596 | croak("No space allowed after -%c", *(s-1)); | |
1597 | return s; | |
79072805 LW |
1598 | case 'n': |
1599 | minus_n = TRUE; | |
1600 | s++; | |
1601 | return s; | |
1602 | case 'p': | |
1603 | minus_p = TRUE; | |
1604 | s++; | |
1605 | return s; | |
1606 | case 's': | |
bbce6d69 | 1607 | forbid_setid("-s"); |
79072805 LW |
1608 | doswitches = TRUE; |
1609 | s++; | |
1610 | return s; | |
463ee0b2 | 1611 | case 'T': |
f86702cc | 1612 | if (!tainting) |
9607fc9c | 1613 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1614 | s++; |
1615 | return s; | |
79072805 LW |
1616 | case 'u': |
1617 | do_undump = TRUE; | |
1618 | s++; | |
1619 | return s; | |
1620 | case 'U': | |
1621 | unsafe = TRUE; | |
1622 | s++; | |
1623 | return s; | |
1624 | case 'v': | |
a5f75d66 | 1625 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1626 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1627 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1628 | #else |
fb73857a | 1629 | printf("\nThis is perl, version %s built for %s", |
1630 | patchlevel, ARCHNAME); | |
1631 | #endif | |
1632 | #if defined(LOCAL_PATCH_COUNT) | |
1633 | if (LOCAL_PATCH_COUNT > 0) | |
1634 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1635 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1636 | #endif |
1a30305b | 1637 | |
a411490c | 1638 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1639 | #ifdef MSDOS |
fb73857a | 1640 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1641 | #endif |
1642 | #ifdef DJGPP | |
1643 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1644 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1645 | #endif |
79072805 | 1646 | #ifdef OS2 |
5dd60ef7 | 1647 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1648 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1649 | #endif |
79072805 | 1650 | #ifdef atarist |
760ac839 | 1651 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1652 | #endif |
760ac839 | 1653 | printf("\n\ |
79072805 | 1654 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1655 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
3028581b | 1656 | PerlProc_exit(0); |
79072805 LW |
1657 | case 'w': |
1658 | dowarn = TRUE; | |
1659 | s++; | |
1660 | return s; | |
a0d0e21e | 1661 | case '*': |
79072805 LW |
1662 | case ' ': |
1663 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1664 | return s+2; | |
1665 | break; | |
a0d0e21e | 1666 | case '-': |
79072805 | 1667 | case 0: |
a868473f NIS |
1668 | #ifdef WIN32 |
1669 | case '\r': | |
1670 | #endif | |
79072805 LW |
1671 | case '\n': |
1672 | case '\t': | |
1673 | break; | |
aa689395 | 1674 | #ifdef ALTERNATE_SHEBANG |
1675 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1676 | break; | |
1677 | #endif | |
a0d0e21e LW |
1678 | case 'P': |
1679 | if (preprocess) | |
1680 | return s+1; | |
1681 | /* FALL THROUGH */ | |
79072805 | 1682 | default: |
a0d0e21e | 1683 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1684 | } |
1685 | return Nullch; | |
1686 | } | |
1687 | ||
1688 | /* compliments of Tom Christiansen */ | |
1689 | ||
1690 | /* unexec() can be found in the Gnu emacs distribution */ | |
1691 | ||
1692 | void | |
8ac85365 | 1693 | my_unexec(void) |
79072805 LW |
1694 | { |
1695 | #ifdef UNEXEC | |
46fc3d4c | 1696 | SV* prog; |
1697 | SV* file; | |
79072805 LW |
1698 | int status; |
1699 | extern int etext; | |
1700 | ||
46fc3d4c | 1701 | prog = newSVpv(BIN_EXP); |
1702 | sv_catpv(prog, "/perl"); | |
1703 | file = newSVpv(origfilename); | |
1704 | sv_catpv(file, ".perldump"); | |
79072805 | 1705 | |
46fc3d4c | 1706 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1707 | if (status) |
46fc3d4c | 1708 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1709 | SvPVX(prog), SvPVX(file)); | |
3028581b | 1710 | PerlProc_exit(status); |
79072805 | 1711 | #else |
a5f75d66 AD |
1712 | # ifdef VMS |
1713 | # include <lib$routines.h> | |
1714 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1715 | # else |
79072805 | 1716 | ABORT(); /* for use with undump */ |
aa689395 | 1717 | # endif |
a5f75d66 | 1718 | #endif |
79072805 LW |
1719 | } |
1720 | ||
1721 | static void | |
8ac85365 | 1722 | init_main_stash(void) |
79072805 | 1723 | { |
11343788 | 1724 | dTHR; |
463ee0b2 | 1725 | GV *gv; |
6e72f9df | 1726 | |
1727 | /* Note that strtab is a rather special HV. Assumptions are made | |
1728 | about not iterating on it, and not adding tie magic to it. | |
1729 | It is properly deallocated in perl_destruct() */ | |
1730 | strtab = newHV(); | |
1731 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1732 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1733 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1734 | ||
463ee0b2 | 1735 | curstash = defstash = newHV(); |
79072805 | 1736 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1737 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1738 | SvREFCNT_dec(GvHV(gv)); | |
1739 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1740 | SvREADONLY_on(gv); |
a0d0e21e | 1741 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1742 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1743 | GvMULTI_on(incgv); |
a0d0e21e | 1744 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1745 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1746 | GvMULTI_on(errgv); | |
84902520 | 1747 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1748 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1749 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1750 | curstash = defstash; |
1751 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1752 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1753 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1754 | /* We must init $/ before switches are processed. */ |
1755 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1756 | } |
1757 | ||
a0d0e21e LW |
1758 | static void |
1759 | open_script(char *scriptname, bool dosearch, SV *sv) | |
79072805 | 1760 | { |
0f15f207 | 1761 | dTHR; |
79072805 LW |
1762 | char *xfound = Nullch; |
1763 | char *xfailed = Nullch; | |
1764 | register char *s; | |
1765 | I32 len; | |
a38d6535 LW |
1766 | int retval; |
1767 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1768 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1769 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1770 | #endif |
d8c2d278 IZ |
1771 | #ifdef OS2 |
1772 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1773 | # define MAX_EXT_LEN 4 | |
1774 | #endif | |
ab821d7f | 1775 | #ifdef VMS |
1776 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1777 | # define MAX_EXT_LEN 4 |
ab821d7f | 1778 | #endif |
a38d6535 LW |
1779 | /* additional extensions to try in each dir if scriptname not found */ |
1780 | #ifdef SEARCH_EXTS | |
1781 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1782 | int extidx = 0, i = 0; |
1783 | char *curext = Nullch; | |
fc36a67e | 1784 | #else |
1785 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1786 | #endif |
79072805 | 1787 | |
2a92aaa0 GS |
1788 | /* |
1789 | * If dosearch is true and if scriptname does not contain path | |
1790 | * delimiters, search the PATH for scriptname. | |
1791 | * | |
1792 | * If SEARCH_EXTS is also defined, will look for each | |
1793 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1794 | * while searching the PATH. | |
1795 | * | |
1796 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1797 | * proceeds as follows: | |
61bb5906 | 1798 | * If DOSISH or VMSISH: |
2a92aaa0 GS |
1799 | * + look for ./scriptname{,.foo,.bar} |
1800 | * + search the PATH for scriptname{,.foo,.bar} | |
1801 | * | |
1802 | * If !DOSISH: | |
1803 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1804 | * this will not look in '.' if it's not in the PATH) | |
1805 | */ | |
1806 | ||
c07a80fd | 1807 | #ifdef VMS |
61bb5906 CB |
1808 | # ifdef ALWAYS_DEFTYPES |
1809 | len = strlen(scriptname); | |
1810 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
1811 | int hasdir, idx = 0, deftypes = 1; | |
1812 | bool seen_dot = 1; | |
1813 | ||
1814 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
1815 | # else | |
6e72f9df | 1816 | if (dosearch) { |
1817 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1818 | bool seen_dot = 1; |
6e72f9df | 1819 | |
1820 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
61bb5906 | 1821 | # endif |
6e72f9df | 1822 | /* The first time through, just add SEARCH_EXTS to whatever we |
1823 | * already have, so we can check for default file types. */ | |
fc36a67e | 1824 | while (deftypes || |
1825 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1826 | { | |
1827 | if (deftypes) { | |
1828 | deftypes = 0; | |
1829 | *tokenbuf = '\0'; | |
1830 | } | |
1831 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1832 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1833 | continue; /* don't search dir with too-long name */ | |
1834 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1835 | #else /* !VMS */ |
2a92aaa0 | 1836 | |
fc36a67e | 1837 | #ifdef DOSISH |
2a92aaa0 | 1838 | if (strEQ(scriptname, "-")) |
84902520 | 1839 | dosearch = 0; |
2a92aaa0 GS |
1840 | if (dosearch) { /* Look in '.' first. */ |
1841 | char *cur = scriptname; | |
1842 | #ifdef SEARCH_EXTS | |
1843 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1844 | while (ext[i]) | |
1845 | if (strEQ(ext[i++],curext)) { | |
1846 | extidx = -1; /* already has an ext */ | |
1847 | break; | |
1848 | } | |
1849 | do { | |
79072805 | 1850 | #endif |
2a92aaa0 GS |
1851 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1852 | "Looking for %s\n",cur)); | |
1853 | if (Stat(cur,&statbuf) >= 0) { | |
1854 | dosearch = 0; | |
1855 | scriptname = cur; | |
84902520 | 1856 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1857 | break; |
84902520 | 1858 | #endif |
2a92aaa0 GS |
1859 | } |
1860 | #ifdef SEARCH_EXTS | |
1861 | if (cur == scriptname) { | |
1862 | len = strlen(scriptname); | |
1863 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1864 | break; | |
1865 | cur = strcpy(tokenbuf, scriptname); | |
1866 | } | |
1867 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1868 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1869 | #endif | |
1870 | } | |
1871 | #endif | |
84902520 | 1872 | |
e92c4225 WJ |
1873 | if (dosearch && !strchr(scriptname, '/') |
1874 | #ifdef DOSISH | |
1875 | && !strchr(scriptname, '\\') | |
1876 | #endif | |
5fd9e9a4 | 1877 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 | 1878 | bool seen_dot = 0; |
84902520 | 1879 | |
79072805 | 1880 | bufend = s + strlen(s); |
fc36a67e | 1881 | while (s < bufend) { |
2a92aaa0 GS |
1882 | #if defined(atarist) || defined(DOSISH) |
1883 | for (len = 0; *s | |
1884 | # ifdef atarist | |
1885 | && *s != ',' | |
1886 | # endif | |
1887 | && *s != ';'; len++, s++) { | |
fc36a67e | 1888 | if (len < sizeof tokenbuf) |
1889 | tokenbuf[len] = *s; | |
1890 | } | |
1891 | if (len < sizeof tokenbuf) | |
1892 | tokenbuf[len] = '\0'; | |
84902520 TB |
1893 | #else /* ! (atarist || DOSISH) */ |
1894 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1895 | ':', | |
1896 | &len); | |
1897 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1898 | if (s < bufend) |
79072805 | 1899 | s++; |
fc36a67e | 1900 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1901 | continue; /* don't search dir with too-long name */ | |
1902 | if (len | |
fc36a67e | 1903 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1904 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1905 | && tokenbuf[len - 1] != '\\' |
79072805 | 1906 | #endif |
fc36a67e | 1907 | ) |
1908 | tokenbuf[len++] = '/'; | |
84902520 | 1909 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1910 | seen_dot = 1; |
fc36a67e | 1911 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1912 | #endif /* !VMS */ |
a38d6535 LW |
1913 | |
1914 | #ifdef SEARCH_EXTS | |
1915 | len = strlen(tokenbuf); | |
1916 | if (extidx > 0) /* reset after previous loop */ | |
1917 | extidx = 0; | |
1918 | do { | |
1919 | #endif | |
760ac839 | 1920 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1921 | retval = Stat(tokenbuf,&statbuf); |
1922 | #ifdef SEARCH_EXTS | |
1923 | } while ( retval < 0 /* not there */ | |
1924 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1925 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1926 | ); | |
1927 | #endif | |
1928 | if (retval < 0) | |
79072805 LW |
1929 | continue; |
1930 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1931 | && cando(S_IRUSR,TRUE,&statbuf) |
1932 | #ifndef DOSISH | |
1933 | && cando(S_IXUSR,TRUE,&statbuf) | |
1934 | #endif | |
1935 | ) | |
1936 | { | |
79072805 LW |
1937 | xfound = tokenbuf; /* bingo! */ |
1938 | break; | |
1939 | } | |
1940 | if (!xfailed) | |
a0d0e21e | 1941 | xfailed = savepv(tokenbuf); |
79072805 | 1942 | } |
2a92aaa0 GS |
1943 | #ifndef DOSISH |
1944 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1945 | #endif |
1946 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1947 | if (!xfound) |
84902520 | 1948 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1949 | (xfailed ? "execute" : "find"), |
1950 | (xfailed ? xfailed : scriptname), | |
1951 | (xfailed ? "" : " on PATH"), | |
1952 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1953 | if (xfailed) |
1954 | Safefree(xfailed); | |
1955 | scriptname = xfound; | |
1956 | } | |
1957 | ||
96436eeb | 1958 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1959 | char *s = scriptname + 8; | |
1960 | fdscript = atoi(s); | |
1961 | while (isDIGIT(*s)) | |
1962 | s++; | |
1963 | if (*s) | |
1964 | scriptname = s + 1; | |
1965 | } | |
1966 | else | |
1967 | fdscript = -1; | |
ab821d7f | 1968 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1969 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1970 | if (strEQ(origfilename,"-")) | |
1971 | scriptname = ""; | |
96436eeb | 1972 | if (fdscript >= 0) { |
a868473f | 1973 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 1974 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1975 | if (rsfp) |
1976 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1977 | #endif |
1978 | } | |
1979 | else if (preprocess) { | |
46fc3d4c | 1980 | char *cpp_cfg = CPPSTDIN; |
1981 | SV *cpp = NEWSV(0,0); | |
1982 | SV *cmd = NEWSV(0,0); | |
1983 | ||
1984 | if (strEQ(cpp_cfg, "cppstdin")) | |
1985 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1986 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1987 | |
79072805 | 1988 | sv_catpv(sv,"-I"); |
fed7345c | 1989 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1990 | |
79072805 | 1991 | #ifdef MSDOS |
46fc3d4c | 1992 | sv_setpvf(cmd, "\ |
79072805 LW |
1993 | sed %s -e \"/^[^#]/b\" \ |
1994 | -e \"/^#[ ]*include[ ]/b\" \ | |
1995 | -e \"/^#[ ]*define[ ]/b\" \ | |
1996 | -e \"/^#[ ]*if[ ]/b\" \ | |
1997 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1998 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1999 | -e \"/^#[ ]*else/b\" \ | |
2000 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2001 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2002 | -e \"/^#[ ]*endif/b\" \ | |
2003 | -e \"s/^#.*//\" \ | |
fc36a67e | 2004 | %s | %_ -C %_ %s", |
79072805 LW |
2005 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2006 | #else | |
46fc3d4c | 2007 | sv_setpvf(cmd, "\ |
79072805 LW |
2008 | %s %s -e '/^[^#]/b' \ |
2009 | -e '/^#[ ]*include[ ]/b' \ | |
2010 | -e '/^#[ ]*define[ ]/b' \ | |
2011 | -e '/^#[ ]*if[ ]/b' \ | |
2012 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2013 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2014 | -e '/^#[ ]*else/b' \ | |
2015 | -e '/^#[ ]*elif[ ]/b' \ | |
2016 | -e '/^#[ ]*undef[ ]/b' \ | |
2017 | -e '/^#[ ]*endif/b' \ | |
2018 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2019 | %s | %_ -C %_ %s", |
79072805 LW |
2020 | #ifdef LOC_SED |
2021 | LOC_SED, | |
2022 | #else | |
2023 | "sed", | |
2024 | #endif | |
2025 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2026 | #endif | |
46fc3d4c | 2027 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2028 | doextract = FALSE; |
2029 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2030 | if (euid != uid && !euid) { /* if running suidperl */ | |
2031 | #ifdef HAS_SETEUID | |
2032 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2033 | #else | |
2034 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2035 | (void)setreuid((Uid_t)-1, uid); |
2036 | #else | |
2037 | #ifdef HAS_SETRESUID | |
2038 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2039 | #else |
2040 | setuid(uid); | |
2041 | #endif | |
2042 | #endif | |
85e6fe83 | 2043 | #endif |
79072805 | 2044 | if (geteuid() != uid) |
463ee0b2 | 2045 | croak("Can't do seteuid!\n"); |
79072805 LW |
2046 | } |
2047 | #endif /* IAMSUID */ | |
3028581b | 2048 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2049 | SvREFCNT_dec(cmd); |
2050 | SvREFCNT_dec(cpp); | |
79072805 LW |
2051 | } |
2052 | else if (!*scriptname) { | |
bbce6d69 | 2053 | forbid_setid("program input from stdin"); |
760ac839 | 2054 | rsfp = PerlIO_stdin(); |
79072805 | 2055 | } |
96436eeb | 2056 | else { |
a868473f | 2057 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2058 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2059 | if (rsfp) |
2060 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2061 | #endif |
2062 | } | |
5dd60ef7 | 2063 | if (e_tmpname) { |
2064 | e_fp = rsfp; | |
2065 | } | |
7aa04957 | 2066 | if (!rsfp) { |
13281fa4 | 2067 | #ifdef DOSUID |
a687059c | 2068 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2069 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2070 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2071 | /* try again */ |
3028581b | 2072 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 2073 | croak("Can't do setuid\n"); |
13281fa4 LW |
2074 | } |
2075 | #endif | |
2076 | #endif | |
463ee0b2 | 2077 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2078 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2079 | } |
79072805 | 2080 | } |
8d063cd8 | 2081 | |
79072805 | 2082 | static void |
8ac85365 | 2083 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2084 | { |
96436eeb | 2085 | int which; |
2086 | ||
13281fa4 LW |
2087 | /* do we need to emulate setuid on scripts? */ |
2088 | ||
2089 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2090 | * in the kernel because of a security problem. Merely defining DOSUID | |
2091 | * in perl will not fix that problem, but if you have disabled setuid | |
2092 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2093 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2094 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2095 | * discovers that it has opened a setuid script, it calls suidperl with | |
2096 | * the same argv that it had. If suidperl finds that the script it has | |
2097 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2098 | * uid. We don't just make perl setuid root because that loses the | |
2099 | * effective uid we had before invoking perl, if it was different from the | |
2100 | * uid. | |
13281fa4 LW |
2101 | * |
2102 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2103 | * be defined in suidperl only. suidperl must be setuid root. The | |
2104 | * Configure script will set this up for you if you want it. | |
2105 | */ | |
a687059c | 2106 | |
13281fa4 | 2107 | #ifdef DOSUID |
ea0efc06 | 2108 | dTHR; |
6e72f9df | 2109 | char *s, *s2; |
a0d0e21e | 2110 | |
3028581b | 2111 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2112 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2113 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2114 | I32 len; |
13281fa4 | 2115 | |
a687059c | 2116 | #ifdef IAMSUID |
fe14fcc3 | 2117 | #ifndef HAS_SETREUID |
a687059c LW |
2118 | /* On this access check to make sure the directories are readable, |
2119 | * there is actually a small window that the user could use to make | |
2120 | * filename point to an accessible directory. So there is a faint | |
2121 | * chance that someone could execute a setuid script down in a | |
2122 | * non-accessible directory. I don't know what to do about that. | |
2123 | * But I don't think it's too important. The manual lies when | |
2124 | * it says access() is useful in setuid programs. | |
2125 | */ | |
3028581b | 2126 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2127 | croak("Permission denied"); |
a687059c LW |
2128 | #else |
2129 | /* If we can swap euid and uid, then we can determine access rights | |
2130 | * with a simple stat of the file, and then compare device and | |
2131 | * inode to make sure we did stat() on the same file we opened. | |
2132 | * Then we just have to make sure he or she can execute it. | |
2133 | */ | |
2134 | { | |
2135 | struct stat tmpstatbuf; | |
2136 | ||
85e6fe83 LW |
2137 | if ( |
2138 | #ifdef HAS_SETREUID | |
2139 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2140 | #else |
2141 | # if HAS_SETRESUID | |
85e6fe83 | 2142 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2143 | # endif |
85e6fe83 LW |
2144 | #endif |
2145 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2146 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2147 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2148 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2149 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2150 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2151 | (void)PerlIO_close(rsfp); |
3028581b | 2152 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2153 | PerlIO_printf(rsfp, |
ff0cee69 | 2154 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2155 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2156 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2157 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2158 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2159 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
3028581b | 2160 | (void)PerlProc_pclose(rsfp); |
a687059c | 2161 | } |
463ee0b2 | 2162 | croak("Permission denied\n"); |
a687059c | 2163 | } |
85e6fe83 LW |
2164 | if ( |
2165 | #ifdef HAS_SETREUID | |
2166 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2167 | #else |
2168 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2169 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2170 | # endif |
85e6fe83 LW |
2171 | #endif |
2172 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2173 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2174 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2175 | croak("Permission denied\n"); |
a687059c | 2176 | } |
fe14fcc3 | 2177 | #endif /* HAS_SETREUID */ |
a687059c LW |
2178 | #endif /* IAMSUID */ |
2179 | ||
27e2fb84 | 2180 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2181 | croak("Permission denied"); |
27e2fb84 | 2182 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2183 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2184 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2185 | curcop->cop_line++; |
760ac839 LW |
2186 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2187 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2188 | croak("No #! line"); |
760ac839 | 2189 | s = SvPV(linestr,na)+2; |
663a0e37 | 2190 | if (*s == ' ') s++; |
45d8adaa | 2191 | while (!isSPACE(*s)) s++; |
760ac839 | 2192 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2193 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2194 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2195 | croak("Not a perl script"); |
a687059c | 2196 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2197 | /* |
2198 | * #! arg must be what we saw above. They can invoke it by | |
2199 | * mentioning suidperl explicitly, but they may not add any strange | |
2200 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2201 | */ | |
2202 | len = strlen(validarg); | |
2203 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2204 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2205 | croak("Args must match #! line"); |
a687059c LW |
2206 | |
2207 | #ifndef IAMSUID | |
2208 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2209 | euid == statbuf.st_uid) | |
2210 | if (!do_undump) | |
463ee0b2 | 2211 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2212 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2213 | #endif /* IAMSUID */ | |
13281fa4 LW |
2214 | |
2215 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2216 | (void)PerlIO_close(rsfp); |
13281fa4 | 2217 | #ifndef IAMSUID |
46fc3d4c | 2218 | /* try again */ |
3028581b | 2219 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2220 | #endif |
463ee0b2 | 2221 | croak("Can't do setuid\n"); |
13281fa4 LW |
2222 | } |
2223 | ||
83025b21 | 2224 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2225 | #ifdef HAS_SETEGID |
a687059c LW |
2226 | (void)setegid(statbuf.st_gid); |
2227 | #else | |
fe14fcc3 | 2228 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2229 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2230 | #else | |
2231 | #ifdef HAS_SETRESGID | |
2232 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2233 | #else |
2234 | setgid(statbuf.st_gid); | |
2235 | #endif | |
2236 | #endif | |
85e6fe83 | 2237 | #endif |
83025b21 | 2238 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2239 | croak("Can't do setegid!\n"); |
83025b21 | 2240 | } |
a687059c LW |
2241 | if (statbuf.st_mode & S_ISUID) { |
2242 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2243 | #ifdef HAS_SETEUID |
a687059c LW |
2244 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2245 | #else | |
fe14fcc3 | 2246 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2247 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2248 | #else | |
2249 | #ifdef HAS_SETRESUID | |
2250 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2251 | #else |
2252 | setuid(statbuf.st_uid); | |
2253 | #endif | |
2254 | #endif | |
85e6fe83 | 2255 | #endif |
83025b21 | 2256 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2257 | croak("Can't do seteuid!\n"); |
a687059c | 2258 | } |
83025b21 | 2259 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2260 | #ifdef HAS_SETEUID |
85e6fe83 | 2261 | (void)seteuid((Uid_t)uid); |
a687059c | 2262 | #else |
fe14fcc3 | 2263 | #ifdef HAS_SETREUID |
85e6fe83 | 2264 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2265 | #else |
85e6fe83 LW |
2266 | #ifdef HAS_SETRESUID |
2267 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2268 | #else | |
2269 | setuid((Uid_t)uid); | |
2270 | #endif | |
a687059c LW |
2271 | #endif |
2272 | #endif | |
83025b21 | 2273 | if (geteuid() != uid) |
463ee0b2 | 2274 | croak("Can't do seteuid!\n"); |
83025b21 | 2275 | } |
748a9306 | 2276 | init_ids(); |
27e2fb84 | 2277 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2278 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2279 | } |
2280 | #ifdef IAMSUID | |
2281 | else if (preprocess) | |
463ee0b2 | 2282 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2283 | else if (fdscript >= 0) |
2284 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2285 | else |
463ee0b2 | 2286 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2287 | |
2288 | /* We absolutely must clear out any saved ids here, so we */ | |
2289 | /* exec the real perl, substituting fd script for scriptname. */ | |
2290 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2291 | PerlIO_rewind(rsfp); |
3028581b | 2292 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2293 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2294 | if (!origargv[which]) | |
2295 | croak("Permission denied"); | |
46fc3d4c | 2296 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2297 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2298 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2299 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2300 | #endif |
3028581b | 2301 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2302 | croak("Can't do setuid\n"); |
13281fa4 | 2303 | #endif /* IAMSUID */ |
a687059c | 2304 | #else /* !DOSUID */ |
a687059c LW |
2305 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2306 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2307 | dTHR; |
3028581b | 2308 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2309 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2310 | || | |
2311 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2312 | ) | |
2313 | if (!do_undump) | |
463ee0b2 | 2314 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2315 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2316 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2317 | /* not set-id, must be wrapped */ | |
a687059c | 2318 | } |
13281fa4 | 2319 | #endif /* DOSUID */ |
79072805 | 2320 | } |
13281fa4 | 2321 | |
79072805 | 2322 | static void |
8ac85365 | 2323 | find_beginning(void) |
79072805 | 2324 | { |
6e72f9df | 2325 | register char *s, *s2; |
33b78306 LW |
2326 | |
2327 | /* skip forward in input to the real script? */ | |
2328 | ||
bbce6d69 | 2329 | forbid_setid("-x"); |
33b78306 | 2330 | while (doextract) { |
79072805 | 2331 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2332 | croak("No Perl script found in input\n"); |
6e72f9df | 2333 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2334 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2335 | doextract = FALSE; |
6e72f9df | 2336 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2337 | s2 = s; | |
2338 | while (*s == ' ' || *s == '\t') s++; | |
2339 | if (*s++ == '-') { | |
2340 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2341 | if (strnEQ(s2-4,"perl",4)) | |
2342 | /*SUPPRESS 530*/ | |
2343 | while (s = moreswitches(s)) ; | |
33b78306 | 2344 | } |
3028581b | 2345 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2346 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2347 | } |
2348 | } | |
2349 | } | |
2350 | ||
79072805 | 2351 | static void |
8ac85365 | 2352 | init_ids(void) |
352d5a3a | 2353 | { |
748a9306 LW |
2354 | uid = (int)getuid(); |
2355 | euid = (int)geteuid(); | |
2356 | gid = (int)getgid(); | |
2357 | egid = (int)getegid(); | |
2358 | #ifdef VMS | |
2359 | uid |= gid << 16; | |
2360 | euid |= egid << 16; | |
2361 | #endif | |
4633a7c4 | 2362 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2363 | } |
79072805 | 2364 | |
748a9306 | 2365 | static void |
8ac85365 | 2366 | forbid_setid(char *s) |
bbce6d69 | 2367 | { |
2368 | if (euid != uid) | |
2369 | croak("No %s allowed while running setuid", s); | |
2370 | if (egid != gid) | |
2371 | croak("No %s allowed while running setgid", s); | |
2372 | } | |
2373 | ||
2374 | static void | |
8ac85365 | 2375 | init_debugger(void) |
748a9306 | 2376 | { |
11343788 | 2377 | dTHR; |
79072805 | 2378 | curstash = debstash; |
748a9306 | 2379 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2380 | AvREAL_off(dbargs); |
a0d0e21e LW |
2381 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2382 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2383 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2384 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2385 | sv_setiv(DBsingle, 0); |
748a9306 | 2386 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2387 | sv_setiv(DBtrace, 0); |
748a9306 | 2388 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2389 | sv_setiv(DBsignal, 0); |
79072805 | 2390 | curstash = defstash; |
352d5a3a LW |
2391 | } |
2392 | ||
11343788 | 2393 | void |
8ac85365 | 2394 | init_stacks(ARGSproto) |
79072805 | 2395 | { |
6e72f9df | 2396 | curstack = newAV(); |
5f05dabc | 2397 | mainstack = curstack; /* remember in case we switch stacks */ |
2398 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2399 | av_extend(curstack,127); |
79072805 | 2400 | |
6e72f9df | 2401 | stack_base = AvARRAY(curstack); |
79072805 | 2402 | stack_sp = stack_base; |
8990e307 | 2403 | stack_max = stack_base + 127; |
79072805 | 2404 | |
c09156bb MB |
2405 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2406 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); | |
8990e307 | 2407 | cxstack_ix = -1; |
8990e307 LW |
2408 | |
2409 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2410 | tmps_floor = -1; |
8990e307 LW |
2411 | tmps_ix = -1; |
2412 | tmps_max = 128; | |
2413 | ||
5f05dabc | 2414 | /* |
2415 | * The following stacks almost certainly should be per-interpreter, | |
2416 | * but for now they're not. XXX | |
2417 | */ | |
2418 | ||
6e72f9df | 2419 | if (markstack) { |
2420 | markstack_ptr = markstack; | |
2421 | } else { | |
2422 | New(54,markstack,64,I32); | |
2423 | markstack_ptr = markstack; | |
2424 | markstack_max = markstack + 64; | |
2425 | } | |
79072805 | 2426 | |
6e72f9df | 2427 | if (scopestack) { |
2428 | scopestack_ix = 0; | |
2429 | } else { | |
2430 | New(54,scopestack,32,I32); | |
2431 | scopestack_ix = 0; | |
2432 | scopestack_max = 32; | |
2433 | } | |
79072805 | 2434 | |
6e72f9df | 2435 | if (savestack) { |
2436 | savestack_ix = 0; | |
2437 | } else { | |
2438 | New(54,savestack,128,ANY); | |
2439 | savestack_ix = 0; | |
2440 | savestack_max = 128; | |
2441 | } | |
79072805 | 2442 | |
6e72f9df | 2443 | if (retstack) { |
2444 | retstack_ix = 0; | |
2445 | } else { | |
2446 | New(54,retstack,16,OP*); | |
2447 | retstack_ix = 0; | |
2448 | retstack_max = 16; | |
5f05dabc | 2449 | } |
378cc40b | 2450 | } |
33b78306 | 2451 | |
6e72f9df | 2452 | static void |
8ac85365 | 2453 | nuke_stacks(void) |
6e72f9df | 2454 | { |
e858de61 | 2455 | dTHR; |
6e72f9df | 2456 | Safefree(cxstack); |
2457 | Safefree(tmps_stack); | |
5f05dabc | 2458 | DEBUG( { |
2459 | Safefree(debname); | |
2460 | Safefree(debdelim); | |
2461 | } ) | |
378cc40b | 2462 | } |
33b78306 | 2463 | |
760ac839 | 2464 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2465 | |
79072805 | 2466 | static void |
8ac85365 | 2467 | init_lexer(void) |
8990e307 | 2468 | { |
a0d0e21e | 2469 | tmpfp = rsfp; |
90248788 | 2470 | rsfp = Nullfp; |
8990e307 LW |
2471 | lex_start(linestr); |
2472 | rsfp = tmpfp; | |
2473 | subname = newSVpv("main",4); | |
2474 | } | |
2475 | ||
2476 | static void | |
8ac85365 | 2477 | init_predump_symbols(void) |
45d8adaa | 2478 | { |
11343788 | 2479 | dTHR; |
93a17b20 | 2480 | GV *tmpgv; |
a0d0e21e | 2481 | GV *othergv; |
79072805 | 2482 | |
e1c148c2 | 2483 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2484 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2485 | GvMULTI_on(stdingv); |
760ac839 | 2486 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2487 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2488 | GvMULTI_on(tmpgv); |
a0d0e21e | 2489 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2490 | |
85e6fe83 | 2491 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2492 | GvMULTI_on(tmpgv); |
760ac839 | 2493 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2494 | setdefout(tmpgv); |
adbc6bb1 | 2495 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2496 | GvMULTI_on(tmpgv); |
a0d0e21e | 2497 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2498 | |
a0d0e21e | 2499 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2500 | GvMULTI_on(othergv); |
760ac839 | 2501 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2502 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2503 | GvMULTI_on(tmpgv); |
a0d0e21e | 2504 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2505 | |
2506 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2507 | |
6e72f9df | 2508 | if (!osname) |
2509 | osname = savepv(OSNAME); | |
79072805 | 2510 | } |
33b78306 | 2511 | |
79072805 | 2512 | static void |
8ac85365 | 2513 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2514 | { |
a863c7d1 | 2515 | dTHR; |
79072805 LW |
2516 | char *s; |
2517 | SV *sv; | |
2518 | GV* tmpgv; | |
fe14fcc3 | 2519 | |
79072805 LW |
2520 | argc--,argv++; /* skip name of script */ |
2521 | if (doswitches) { | |
2522 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2523 | if (!argv[0][1]) | |
2524 | break; | |
2525 | if (argv[0][1] == '-') { | |
2526 | argc--,argv++; | |
2527 | break; | |
2528 | } | |
93a17b20 | 2529 | if (s = strchr(argv[0], '=')) { |
79072805 | 2530 | *s++ = '\0'; |
85e6fe83 | 2531 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2532 | } |
2533 | else | |
85e6fe83 | 2534 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2535 | } |
79072805 LW |
2536 | } |
2537 | toptarget = NEWSV(0,0); | |
2538 | sv_upgrade(toptarget, SVt_PVFM); | |
2539 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2540 | bodytarget = NEWSV(0,0); |
79072805 LW |
2541 | sv_upgrade(bodytarget, SVt_PVFM); |
2542 | sv_setpvn(bodytarget, "", 0); | |
2543 | formtarget = bodytarget; | |
2544 | ||
bbce6d69 | 2545 | TAINT; |
85e6fe83 | 2546 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2547 | sv_setpv(GvSV(tmpgv),origfilename); |
2548 | magicname("0", "0", 1); | |
2549 | } | |
85e6fe83 | 2550 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2551 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2552 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2553 | GvMULTI_on(argvgv); |
79072805 LW |
2554 | (void)gv_AVadd(argvgv); |
2555 | av_clear(GvAVn(argvgv)); | |
2556 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2557 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2558 | } |
2559 | } | |
85e6fe83 | 2560 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2561 | HV *hv; |
a5f75d66 | 2562 | GvMULTI_on(envgv); |
79072805 | 2563 | hv = GvHVn(envgv); |
5aabfad6 | 2564 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2565 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2566 | /* Note that if the supplied env parameter is actually a copy |
2567 | of the global environ then it may now point to free'd memory | |
2568 | if the environment has been modified since. To avoid this | |
2569 | problem we treat env==NULL as meaning 'use the default' | |
2570 | */ | |
2571 | if (!env) | |
2572 | env = environ; | |
5aabfad6 | 2573 | if (env != environ) |
79072805 LW |
2574 | environ[0] = Nullch; |
2575 | for (; *env; env++) { | |
93a17b20 | 2576 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2577 | continue; |
2578 | *s++ = '\0'; | |
39e571d4 | 2579 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2580 | (void)strupr(*env); |
2581 | #endif | |
79072805 LW |
2582 | sv = newSVpv(s--,0); |
2583 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2584 | *s = '='; | |
3e3baf6d TB |
2585 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2586 | /* Sins of the RTL. See note in my_setenv(). */ | |
5fd9e9a4 | 2587 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2588 | #endif |
fe14fcc3 | 2589 | } |
4550b24a | 2590 | #endif |
2591 | #ifdef DYNAMIC_ENV_FETCH | |
2592 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2593 | #endif | |
79072805 | 2594 | } |
bbce6d69 | 2595 | TAINT_NOT; |
85e6fe83 | 2596 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2597 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2598 | } |
34de22dd | 2599 | |
79072805 | 2600 | static void |
8ac85365 | 2601 | init_perllib(void) |
34de22dd | 2602 | { |
85e6fe83 LW |
2603 | char *s; |
2604 | if (!tainting) { | |
552a7a9b | 2605 | #ifndef VMS |
5fd9e9a4 | 2606 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2607 | if (s) |
774d564b | 2608 | incpush(s, TRUE); |
85e6fe83 | 2609 | else |
5fd9e9a4 | 2610 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2611 | #else /* VMS */ |
2612 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2613 | * "natural" VMS idiom for a Unix path string. We allow each | |
2614 | * element to be a set of |-separated directories for compatibility. | |
2615 | */ | |
2616 | char buf[256]; | |
2617 | int idx = 0; | |
2618 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2619 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2620 | else |
774d564b | 2621 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2622 | #endif /* VMS */ |
85e6fe83 | 2623 | } |
34de22dd | 2624 | |
c90c0ff4 | 2625 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2626 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2627 | */ |
4633a7c4 | 2628 | #ifdef APPLLIB_EXP |
774d564b | 2629 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2630 | #endif |
4633a7c4 | 2631 | |
fed7345c | 2632 | #ifdef ARCHLIB_EXP |
774d564b | 2633 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2634 | #endif |
fed7345c AD |
2635 | #ifndef PRIVLIB_EXP |
2636 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2637 | #endif |
774d564b | 2638 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2639 | |
2640 | #ifdef SITEARCH_EXP | |
774d564b | 2641 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2642 | #endif |
2643 | #ifdef SITELIB_EXP | |
774d564b | 2644 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2645 | #endif |
4633a7c4 | 2646 | if (!tainting) |
774d564b | 2647 | incpush(".", FALSE); |
2648 | } | |
2649 | ||
2650 | #if defined(DOSISH) | |
2651 | # define PERLLIB_SEP ';' | |
2652 | #else | |
2653 | # if defined(VMS) | |
2654 | # define PERLLIB_SEP '|' | |
2655 | # else | |
2656 | # define PERLLIB_SEP ':' | |
2657 | # endif | |
2658 | #endif | |
2659 | #ifndef PERLLIB_MANGLE | |
2660 | # define PERLLIB_MANGLE(s,n) (s) | |
2661 | #endif | |
2662 | ||
2663 | static void | |
8ac85365 | 2664 | incpush(char *p, int addsubdirs) |
774d564b | 2665 | { |
2666 | SV *subdir = Nullsv; | |
2667 | static char *archpat_auto; | |
2668 | ||
2669 | if (!p) | |
2670 | return; | |
2671 | ||
2672 | if (addsubdirs) { | |
8c52afec | 2673 | subdir = NEWSV(55,0); |
774d564b | 2674 | if (!archpat_auto) { |
2675 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2676 | + sizeof("//auto")); | |
2677 | New(55, archpat_auto, len, char); | |
2678 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2679 | #ifdef VMS |
2680 | for (len = sizeof(ARCHNAME) + 2; | |
2681 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2682 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2683 | #endif | |
774d564b | 2684 | } |
2685 | } | |
2686 | ||
2687 | /* Break at all separators */ | |
2688 | while (p && *p) { | |
8c52afec | 2689 | SV *libdir = NEWSV(55,0); |
774d564b | 2690 | char *s; |
2691 | ||
2692 | /* skip any consecutive separators */ | |
2693 | while ( *p == PERLLIB_SEP ) { | |
2694 | /* Uncomment the next line for PATH semantics */ | |
2695 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2696 | p++; | |
2697 | } | |
2698 | ||
2699 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2700 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2701 | (STRLEN)(s - p)); | |
2702 | p = s + 1; | |
2703 | } | |
2704 | else { | |
2705 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2706 | p = Nullch; /* break out */ | |
2707 | } | |
2708 | ||
2709 | /* | |
2710 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2711 | * archname-specific sub-directories. | |
2712 | */ | |
2713 | if (addsubdirs) { | |
2714 | struct stat tmpstatbuf; | |
aa689395 | 2715 | #ifdef VMS |
2716 | char *unix; | |
2717 | STRLEN len; | |
774d564b | 2718 | |
aa689395 | 2719 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2720 | len = strlen(unix); | |
2721 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2722 | sv_usepvn(libdir,unix,len); | |
2723 | } | |
2724 | else | |
2725 | PerlIO_printf(PerlIO_stderr(), | |
2726 | "Failed to unixify @INC element \"%s\"\n", | |
2727 | SvPV(libdir,na)); | |
2728 | #endif | |
4fdae800 | 2729 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2730 | sv_setsv(subdir, libdir); |
2731 | sv_catpv(subdir, archpat_auto); | |
2732 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2733 | S_ISDIR(tmpstatbuf.st_mode)) | |
2734 | av_push(GvAVn(incgv), | |
2735 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2736 | ||
4fdae800 | 2737 | /* .../archname if -d .../archname/auto */ |
774d564b | 2738 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2739 | strlen(patchlevel) + 1, "", 0); | |
2740 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2741 | S_ISDIR(tmpstatbuf.st_mode)) | |
2742 | av_push(GvAVn(incgv), | |
2743 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2744 | } | |
2745 | ||
2746 | /* finally push this lib directory on the end of @INC */ | |
2747 | av_push(GvAVn(incgv), libdir); | |
2748 | } | |
2749 | ||
2750 | SvREFCNT_dec(subdir); | |
34de22dd | 2751 | } |
93a17b20 | 2752 | |
199100c8 | 2753 | #ifdef USE_THREADS |
52e1cb5e | 2754 | static struct perl_thread * |
199100c8 MB |
2755 | init_main_thread() |
2756 | { | |
52e1cb5e | 2757 | struct perl_thread *thr; |
199100c8 MB |
2758 | XPV *xpv; |
2759 | ||
52e1cb5e | 2760 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2761 | curcop = &compiling; |
2762 | thr->cvcache = newHV(); | |
54b9620d | 2763 | thr->threadsv = newAV(); |
940cb80d | 2764 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2765 | thr->specific = newAV(); |
38a03e6e | 2766 | thr->errhv = newHV(); |
199100c8 MB |
2767 | thr->flags = THRf_R_JOINABLE; |
2768 | MUTEX_INIT(&thr->mutex); | |
2769 | /* Handcraft thrsv similarly to mess_sv */ | |
2770 | New(53, thrsv, 1, SV); | |
2771 | Newz(53, xpv, 1, XPV); | |
2772 | SvFLAGS(thrsv) = SVt_PV; | |
2773 | SvANY(thrsv) = (void*)xpv; | |
2774 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2775 | SvPVX(thrsv) = (char*)thr; | |
2776 | SvCUR_set(thrsv, sizeof(thr)); | |
2777 | SvLEN_set(thrsv, sizeof(thr)); | |
2778 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2779 | thr->oursv = thrsv; | |
2780 | curcop = &compiling; | |
2781 | chopset = " \n-"; | |
2782 | ||
2783 | MUTEX_LOCK(&threads_mutex); | |
2784 | nthreads++; | |
2785 | thr->tid = 0; | |
2786 | thr->next = thr; | |
2787 | thr->prev = thr; | |
2788 | MUTEX_UNLOCK(&threads_mutex); | |
2789 | ||
4b026b9e GS |
2790 | #ifdef HAVE_THREAD_INTERN |
2791 | init_thread_intern(thr); | |
235db74f GS |
2792 | #endif |
2793 | ||
2794 | #ifdef SET_THREAD_SELF | |
2795 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2796 | #else |
2797 | thr->self = pthread_self(); | |
235db74f | 2798 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2799 | SET_THR(thr); |
2800 | ||
2801 | /* | |
2802 | * These must come after the SET_THR because sv_setpvn does | |
2803 | * SvTAINT and the taint fields require dTHR. | |
2804 | */ | |
2805 | toptarget = NEWSV(0,0); | |
2806 | sv_upgrade(toptarget, SVt_PVFM); | |
2807 | sv_setpvn(toptarget, "", 0); | |
2808 | bodytarget = NEWSV(0,0); | |
2809 | sv_upgrade(bodytarget, SVt_PVFM); | |
2810 | sv_setpvn(bodytarget, "", 0); | |
2811 | formtarget = bodytarget; | |
2faa37cc | 2812 | thr->errsv = newSVpv("", 0); |
78857c3c | 2813 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2814 | return thr; |
2815 | } | |
2816 | #endif /* USE_THREADS */ | |
2817 | ||
93a17b20 | 2818 | void |
8ac85365 | 2819 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2820 | { |
11343788 | 2821 | dTHR; |
a0d0e21e | 2822 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2823 | STRLEN len; |
2824 | dJMPENV; | |
2825 | int ret; | |
93a17b20 | 2826 | |
93965878 | 2827 | while (AvFILL(list) >= 0) { |
8990e307 | 2828 | CV *cv = (CV*)av_shift(list); |
93a17b20 | 2829 | |
8990e307 | 2830 | SAVEFREESV(cv); |
a0d0e21e | 2831 | |
22921e25 CS |
2832 | JMPENV_PUSH(ret); |
2833 | switch (ret) { | |
748a9306 | 2834 | case 0: { |
38a03e6e | 2835 | SV* atsv = ERRSV; |
748a9306 LW |
2836 | PUSHMARK(stack_sp); |
2837 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2838 | (void)SvPV(atsv, len); |
748a9306 | 2839 | if (len) { |
54310121 | 2840 | JMPENV_POP; |
748a9306 LW |
2841 | curcop = &compiling; |
2842 | curcop->cop_line = oldline; | |
2843 | if (list == beginav) | |
12f917ad | 2844 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2845 | else |
12f917ad | 2846 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2847 | while (scopestack_ix > oldscope) |
2848 | LEAVE; | |
12f917ad | 2849 | croak("%s", SvPVX(atsv)); |
748a9306 | 2850 | } |
a0d0e21e | 2851 | } |
85e6fe83 LW |
2852 | break; |
2853 | case 1: | |
f86702cc | 2854 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2855 | /* FALL THROUGH */ |
2856 | case 2: | |
2857 | /* my_exit() was called */ | |
2ae324a7 | 2858 | while (scopestack_ix > oldscope) |
2859 | LEAVE; | |
84902520 | 2860 | FREETMPS; |
85e6fe83 LW |
2861 | curstash = defstash; |
2862 | if (endav) | |
68dc0745 | 2863 | call_list(oldscope, endav); |
54310121 | 2864 | JMPENV_POP; |
a0d0e21e LW |
2865 | curcop = &compiling; |
2866 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2867 | if (statusvalue) { |
2868 | if (list == beginav) | |
a0d0e21e | 2869 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2870 | else |
a0d0e21e | 2871 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2872 | } |
f86702cc | 2873 | my_exit_jump(); |
85e6fe83 | 2874 | /* NOTREACHED */ |
85e6fe83 LW |
2875 | case 3: |
2876 | if (!restartop) { | |
760ac839 | 2877 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2878 | FREETMPS; |
85e6fe83 LW |
2879 | break; |
2880 | } | |
54310121 | 2881 | JMPENV_POP; |
a0d0e21e LW |
2882 | curcop = &compiling; |
2883 | curcop->cop_line = oldline; | |
54310121 | 2884 | JMPENV_JUMP(3); |
8990e307 | 2885 | } |
54310121 | 2886 | JMPENV_POP; |
93a17b20 | 2887 | } |
93a17b20 | 2888 | } |
93a17b20 | 2889 | |
f86702cc | 2890 | void |
8ac85365 | 2891 | my_exit(U32 status) |
f86702cc | 2892 | { |
5dc0d613 MB |
2893 | dTHR; |
2894 | ||
2895 | #ifdef USE_THREADS | |
a863c7d1 MB |
2896 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2897 | thr, (unsigned long) status)); | |
5dc0d613 | 2898 | #endif /* USE_THREADS */ |
f86702cc | 2899 | switch (status) { |
2900 | case 0: | |
2901 | STATUS_ALL_SUCCESS; | |
2902 | break; | |
2903 | case 1: | |
2904 | STATUS_ALL_FAILURE; | |
2905 | break; | |
2906 | default: | |
2907 | STATUS_NATIVE_SET(status); | |
2908 | break; | |
2909 | } | |
2910 | my_exit_jump(); | |
2911 | } | |
2912 | ||
2913 | void | |
8ac85365 | 2914 | my_failure_exit(void) |
f86702cc | 2915 | { |
2916 | #ifdef VMS | |
2917 | if (vaxc$errno & 1) { | |
4fdae800 | 2918 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2919 | STATUS_NATIVE_SET(44); | |
f86702cc | 2920 | } |
2921 | else { | |
ff0cee69 | 2922 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2923 | STATUS_NATIVE_SET(44); |
f86702cc | 2924 | else |
4fdae800 | 2925 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2926 | } |
2927 | #else | |
2928 | if (errno & 255) | |
2929 | STATUS_POSIX_SET(errno); | |
2930 | else if (STATUS_POSIX == 0) | |
2931 | STATUS_POSIX_SET(255); | |
2932 | #endif | |
2933 | my_exit_jump(); | |
93a17b20 LW |
2934 | } |
2935 | ||
f86702cc | 2936 | static void |
8ac85365 | 2937 | my_exit_jump(void) |
f86702cc | 2938 | { |
e858de61 | 2939 | dTHR; |
c09156bb | 2940 | register PERL_CONTEXT *cx; |
f86702cc | 2941 | I32 gimme; |
2942 | SV **newsp; | |
2943 | ||
2944 | if (e_tmpname) { | |
2945 | if (e_fp) { | |
2946 | PerlIO_close(e_fp); | |
2947 | e_fp = Nullfp; | |
2948 | } | |
2949 | (void)UNLINK(e_tmpname); | |
2950 | Safefree(e_tmpname); | |
2951 | e_tmpname = Nullch; | |
2952 | } | |
2953 | ||
2954 | if (cxstack_ix >= 0) { | |
2955 | if (cxstack_ix > 0) | |
2956 | dounwind(0); | |
2957 | POPBLOCK(cx,curpm); | |
2958 | LEAVE; | |
2959 | } | |
ff0cee69 | 2960 | |
54310121 | 2961 | JMPENV_JUMP(2); |
f86702cc | 2962 | } |
4e35701f | 2963 | |
aeea060c | 2964 | |
22239a37 | 2965 |