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); |
dce16143 MB |
133 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
134 | MUTEX_INIT(&svref_mutex); | |
135 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 136 | |
199100c8 | 137 | thr = init_main_thread(); |
11343788 MB |
138 | #endif /* USE_THREADS */ |
139 | ||
79072805 | 140 | linestr = NEWSV(65,80); |
ed6116ce | 141 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 142 | |
6e72f9df | 143 | if (!SvREADONLY(&sv_undef)) { |
144 | SvREADONLY_on(&sv_undef); | |
79072805 | 145 | |
6e72f9df | 146 | sv_setpv(&sv_no,No); |
147 | SvNV(&sv_no); | |
148 | SvREADONLY_on(&sv_no); | |
79072805 | 149 | |
6e72f9df | 150 | sv_setpv(&sv_yes,Yes); |
151 | SvNV(&sv_yes); | |
152 | SvREADONLY_on(&sv_yes); | |
153 | } | |
79072805 | 154 | |
c07a80fd | 155 | nrs = newSVpv("\n", 1); |
156 | rs = SvREFCNT_inc(nrs); | |
157 | ||
c23142e2 | 158 | sighandlerp = sighandler; |
44a8e56a | 159 | pidstatus = newHV(); |
160 | ||
79072805 LW |
161 | #ifdef MSDOS |
162 | /* | |
163 | * There is no way we can refer to them from Perl so close them to save | |
164 | * space. The other alternative would be to provide STDAUX and STDPRN | |
165 | * filehandles. | |
166 | */ | |
167 | (void)fclose(stdaux); | |
168 | (void)fclose(stdprn); | |
169 | #endif | |
170 | } | |
171 | ||
8990e307 | 172 | #ifdef MULTIPLICITY |
8ebc5c01 | 173 | I_REINIT; |
174 | perl_destruct_level = 1; | |
175 | #else | |
176 | if(perl_destruct_level > 0) | |
177 | I_REINIT; | |
79072805 LW |
178 | #endif |
179 | ||
748a9306 | 180 | init_ids(); |
fb73857a | 181 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 182 | |
54310121 | 183 | start_env.je_prev = NULL; |
184 | start_env.je_ret = -1; | |
185 | start_env.je_mustcatch = TRUE; | |
186 | top_env = &start_env; | |
f86702cc | 187 | STATUS_ALL_SUCCESS; |
188 | ||
36477c24 | 189 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 190 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 191 | sprintf(patchlevel, "%7.5f", (double) 5 |
192 | + ((double) PATCHLEVEL / (double) 1000) | |
193 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 194 | #else |
e2666263 | 195 | sprintf(patchlevel, "%5.3f", (double) 5 + |
196 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 197 | #endif |
79072805 | 198 | |
ab821d7f | 199 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 200 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 201 | #endif |
202 | ||
760ac839 LW |
203 | PerlIO_init(); /* Hook to IO system */ |
204 | ||
79072805 | 205 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 206 | |
11343788 MB |
207 | init_stacks(ARGS); |
208 | DEBUG( { | |
209 | New(51,debname,128,char); | |
210 | New(52,debdelim,128,char); | |
211 | } ) | |
212 | ||
8990e307 | 213 | ENTER; |
79072805 LW |
214 | } |
215 | ||
216 | void | |
8ac85365 | 217 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 218 | { |
11343788 | 219 | dTHR; |
748a9306 | 220 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 221 | I32 last_sv_count; |
a0d0e21e | 222 | HV *hv; |
1f2bfc8a | 223 | #ifdef USE_THREADS |
33f46ff6 | 224 | Thread t; |
1f2bfc8a | 225 | #endif /* USE_THREADS */ |
8990e307 | 226 | |
79072805 LW |
227 | if (!(curinterp = sv_interp)) |
228 | return; | |
748a9306 | 229 | |
11343788 | 230 | #ifdef USE_THREADS |
0f15f207 | 231 | #ifndef FAKE_THREADS |
8023c3ce MB |
232 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
233 | retry_cleanup: | |
33f46ff6 MB |
234 | MUTEX_LOCK(&threads_mutex); |
235 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 236 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
237 | nthreads - 1)); |
238 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
239 | MUTEX_LOCK(&t->mutex); |
240 | switch (ThrSTATE(t)) { | |
241 | AV *av; | |
c7848ba1 MB |
242 | case THRf_ZOMBIE: |
243 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
244 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
245 | ThrSETSTATE(t, THRf_DEAD); |
246 | MUTEX_UNLOCK(&t->mutex); | |
247 | nthreads--; | |
8023c3ce MB |
248 | /* |
249 | * The SvREFCNT_dec below may take a long time (e.g. av | |
250 | * may contain an object scalar whose destructor gets | |
251 | * called) so we have to unlock threads_mutex and start | |
252 | * all over again. | |
253 | */ | |
605e5515 | 254 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 255 | JOIN(t, &av); |
605e5515 | 256 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
257 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
258 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 259 | goto retry_cleanup; |
c7848ba1 MB |
260 | case THRf_R_JOINABLE: |
261 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
262 | "perl_destruct: detaching thread %p\n", t)); | |
263 | ThrSETSTATE(t, THRf_R_DETACHED); | |
264 | /* | |
265 | * We unlock threads_mutex and t->mutex in the opposite order | |
266 | * from which we locked them just so that DETACH won't | |
267 | * deadlock if it panics. It's only a breach of good style | |
268 | * not a bug since they are unlocks not locks. | |
269 | */ | |
270 | MUTEX_UNLOCK(&threads_mutex); | |
271 | DETACH(t); | |
272 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 273 | goto retry_cleanup; |
c7848ba1 MB |
274 | default: |
275 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
276 | "perl_destruct: ignoring %p (state %u)\n", | |
277 | t, ThrSTATE(t))); | |
278 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 279 | /* fall through and out */ |
33f46ff6 MB |
280 | } |
281 | } | |
8023c3ce MB |
282 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
283 | ||
284 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
285 | while (nthreads > 1) |
286 | { | |
33f46ff6 | 287 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 288 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
289 | nthreads - 1)); |
290 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
291 | } |
292 | /* At this point, we're the last thread */ | |
33f46ff6 | 293 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 294 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 295 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 296 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 297 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
298 | #endif /* USE_THREADS */ |
299 | ||
748a9306 | 300 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
301 | #ifdef DEBUGGING |
302 | { | |
303 | char *s; | |
5fd9e9a4 | 304 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 305 | int i = atoi(s); |
306 | if (destruct_level < i) | |
307 | destruct_level = i; | |
308 | } | |
4633a7c4 LW |
309 | } |
310 | #endif | |
311 | ||
8990e307 | 312 | LEAVE; |
a0d0e21e LW |
313 | FREETMPS; |
314 | ||
ff0cee69 | 315 | /* We must account for everything. */ |
316 | ||
317 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 318 | if (main_root) { |
319 | curpad = AvARRAY(comppad); | |
320 | op_free(main_root); | |
ff0cee69 | 321 | main_root = Nullop; |
a0d0e21e | 322 | } |
ff0cee69 | 323 | main_start = Nullop; |
324 | SvREFCNT_dec(main_cv); | |
325 | main_cv = Nullcv; | |
326 | ||
a0d0e21e LW |
327 | if (sv_objcount) { |
328 | /* | |
329 | * Try to destruct global references. We do this first so that the | |
330 | * destructors and destructees still exist. Some sv's might remain. | |
331 | * Non-referenced objects are on their own. | |
332 | */ | |
333 | ||
334 | dirty = TRUE; | |
335 | sv_clean_objs(); | |
8990e307 LW |
336 | } |
337 | ||
5cd24f17 | 338 | /* unhook hooks which will soon be, or use, destroyed data */ |
339 | SvREFCNT_dec(warnhook); | |
340 | warnhook = Nullsv; | |
341 | SvREFCNT_dec(diehook); | |
342 | diehook = Nullsv; | |
343 | SvREFCNT_dec(parsehook); | |
344 | parsehook = Nullsv; | |
345 | ||
a0d0e21e | 346 | if (destruct_level == 0){ |
8990e307 | 347 | |
a0d0e21e LW |
348 | DEBUG_P(debprofdump()); |
349 | ||
350 | /* The exit() function will do everything that needs doing. */ | |
351 | return; | |
352 | } | |
5dd60ef7 | 353 | |
5f05dabc | 354 | /* loosen bonds of global variables */ |
355 | ||
8ebc5c01 | 356 | if(rsfp) { |
357 | (void)PerlIO_close(rsfp); | |
358 | rsfp = Nullfp; | |
359 | } | |
360 | ||
361 | /* Filters for program text */ | |
362 | SvREFCNT_dec(rsfp_filters); | |
363 | rsfp_filters = Nullav; | |
364 | ||
365 | /* switches */ | |
366 | preprocess = FALSE; | |
367 | minus_n = FALSE; | |
368 | minus_p = FALSE; | |
369 | minus_l = FALSE; | |
370 | minus_a = FALSE; | |
371 | minus_F = FALSE; | |
372 | doswitches = FALSE; | |
373 | dowarn = FALSE; | |
374 | doextract = FALSE; | |
375 | sawampersand = FALSE; /* must save all match strings */ | |
376 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
377 | sawvec = FALSE; | |
378 | unsafe = FALSE; | |
379 | ||
380 | Safefree(inplace); | |
381 | inplace = Nullch; | |
382 | ||
383 | Safefree(e_tmpname); | |
384 | e_tmpname = Nullch; | |
385 | ||
386 | if (e_fp) { | |
387 | PerlIO_close(e_fp); | |
388 | e_fp = Nullfp; | |
389 | } | |
390 | ||
391 | /* magical thingies */ | |
392 | ||
393 | Safefree(ofs); /* $, */ | |
394 | ofs = Nullch; | |
5f05dabc | 395 | |
8ebc5c01 | 396 | Safefree(ors); /* $\ */ |
397 | ors = Nullch; | |
398 | ||
399 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 400 | nrs = Nullsv; |
401 | ||
8ebc5c01 | 402 | multiline = 0; /* $* */ |
5f05dabc | 403 | |
8ebc5c01 | 404 | SvREFCNT_dec(statname); |
5f05dabc | 405 | statname = Nullsv; |
406 | statgv = Nullgv; | |
5f05dabc | 407 | |
8ebc5c01 | 408 | /* defgv, aka *_ should be taken care of elsewhere */ |
409 | ||
8ebc5c01 | 410 | /* clean up after study() */ |
411 | SvREFCNT_dec(lastscream); | |
412 | lastscream = Nullsv; | |
413 | Safefree(screamfirst); | |
414 | screamfirst = 0; | |
415 | Safefree(screamnext); | |
416 | screamnext = 0; | |
417 | ||
418 | /* startup and shutdown function lists */ | |
419 | SvREFCNT_dec(beginav); | |
420 | SvREFCNT_dec(endav); | |
77a005ab | 421 | SvREFCNT_dec(initav); |
5618dfe8 | 422 | beginav = Nullav; |
5618dfe8 | 423 | endav = Nullav; |
77a005ab | 424 | initav = Nullav; |
5618dfe8 | 425 | |
8ebc5c01 | 426 | /* temp stack during pp_sort() */ |
427 | SvREFCNT_dec(sortstack); | |
428 | sortstack = Nullav; | |
429 | ||
430 | /* shortcuts just get cleared */ | |
431 | envgv = Nullgv; | |
432 | siggv = Nullgv; | |
433 | incgv = Nullgv; | |
12f917ad | 434 | errgv = Nullgv; |
8ebc5c01 | 435 | argvgv = Nullgv; |
436 | argvoutgv = Nullgv; | |
437 | stdingv = Nullgv; | |
438 | last_in_gv = Nullgv; | |
439 | ||
440 | /* reset so print() ends up where we expect */ | |
441 | setdefout(Nullgv); | |
442 | ||
a0d0e21e | 443 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 444 | |
a0d0e21e | 445 | hv = defstash; |
85e6fe83 | 446 | defstash = 0; |
a0d0e21e LW |
447 | SvREFCNT_dec(hv); |
448 | ||
449 | FREETMPS; | |
450 | if (destruct_level >= 2) { | |
451 | if (scopestack_ix != 0) | |
ff0cee69 | 452 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
453 | (long)scopestack_ix); | |
a0d0e21e | 454 | if (savestack_ix != 0) |
ff0cee69 | 455 | warn("Unbalanced saves: %ld more saves than restores\n", |
456 | (long)savestack_ix); | |
a0d0e21e | 457 | if (tmps_floor != -1) |
ff0cee69 | 458 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
459 | (long)tmps_floor + 1); | |
a0d0e21e | 460 | if (cxstack_ix != -1) |
ff0cee69 | 461 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
462 | (long)cxstack_ix + 1); | |
a0d0e21e | 463 | } |
8990e307 LW |
464 | |
465 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 466 | last_sv_count = 0; |
6e72f9df | 467 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
468 | while (sv_count != 0 && sv_count != last_sv_count) { |
469 | last_sv_count = sv_count; | |
470 | sv_clean_all(); | |
471 | } | |
6e72f9df | 472 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
473 | SvFLAGS(strtab) |= SVt_PVHV; | |
474 | ||
475 | /* Destruct the global string table. */ | |
476 | { | |
477 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
478 | * so that sv_free() won't fail on them. | |
479 | */ | |
480 | I32 riter; | |
481 | I32 max; | |
482 | HE *hent; | |
483 | HE **array; | |
484 | ||
485 | riter = 0; | |
486 | max = HvMAX(strtab); | |
487 | array = HvARRAY(strtab); | |
488 | hent = array[0]; | |
489 | for (;;) { | |
490 | if (hent) { | |
491 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
492 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
493 | HeVAL(hent) = Nullsv; | |
494 | hent = HeNEXT(hent); | |
495 | } | |
496 | if (!hent) { | |
497 | if (++riter > max) | |
498 | break; | |
499 | hent = array[riter]; | |
500 | } | |
501 | } | |
502 | } | |
503 | SvREFCNT_dec(strtab); | |
504 | ||
8990e307 | 505 | if (sv_count != 0) |
ff0cee69 | 506 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 507 | |
4633a7c4 | 508 | sv_free_arenas(); |
44a8e56a | 509 | |
510 | /* No SVs have survived, need to clean out */ | |
511 | linestr = NULL; | |
512 | pidstatus = Nullhv; | |
6e72f9df | 513 | if (origfilename) |
514 | Safefree(origfilename); | |
515 | nuke_stacks(); | |
fc36a67e | 516 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
517 | |
518 | DEBUG_P(debprofdump()); | |
11343788 MB |
519 | #ifdef USE_THREADS |
520 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 521 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 522 | COND_DESTROY(&eval_cond); |
fc36a67e | 523 | |
8023c3ce MB |
524 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
525 | Safefree(SvPVX(thrsv)); | |
526 | Safefree(SvANY(thrsv)); | |
527 | Safefree(thrsv); | |
528 | thrsv = Nullsv; | |
529 | #endif /* USE_THREADS */ | |
530 | ||
fc36a67e | 531 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
532 | ||
533 | if (mess_sv) { | |
534 | /* we know that type >= SVt_PV */ | |
535 | SvOOK_off(mess_sv); | |
536 | Safefree(SvPVX(mess_sv)); | |
537 | Safefree(SvANY(mess_sv)); | |
538 | Safefree(mess_sv); | |
539 | mess_sv = Nullsv; | |
540 | } | |
79072805 LW |
541 | } |
542 | ||
543 | void | |
8ac85365 | 544 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
545 | { |
546 | if (!(curinterp = sv_interp)) | |
547 | return; | |
548 | Safefree(sv_interp); | |
549 | } | |
550 | ||
551 | int | |
8ac85365 | 552 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 553 | { |
11343788 | 554 | dTHR; |
79072805 | 555 | register SV *sv; |
8d063cd8 | 556 | register char *s; |
1a30305b | 557 | char *scriptname = NULL; |
a0d0e21e | 558 | VOL bool dosearch = FALSE; |
13281fa4 | 559 | char *validarg = ""; |
2ae324a7 | 560 | I32 oldscope; |
748a9306 | 561 | AV* comppadlist; |
54310121 | 562 | dJMPENV; |
22921e25 | 563 | int ret; |
8d063cd8 | 564 | |
a687059c LW |
565 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
566 | #ifdef IAMSUID | |
567 | #undef IAMSUID | |
463ee0b2 | 568 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
569 | setuid perl scripts securely.\n"); |
570 | #endif | |
571 | #endif | |
572 | ||
79072805 LW |
573 | if (!(curinterp = sv_interp)) |
574 | return 255; | |
575 | ||
6e72f9df | 576 | #if defined(NeXT) && defined(__DYNAMIC__) |
577 | _dyld_lookup_and_bind | |
578 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
579 | #endif /* environ */ | |
580 | ||
ac58e20f LW |
581 | origargv = argv; |
582 | origargc = argc; | |
a0d0e21e | 583 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 584 | origenviron = environ; |
a0d0e21e | 585 | #endif |
ab821d7f | 586 | e_tmpname = Nullch; |
a0d0e21e LW |
587 | |
588 | if (do_undump) { | |
589 | ||
590 | /* Come here if running an undumped a.out. */ | |
591 | ||
592 | origfilename = savepv(argv[0]); | |
593 | do_undump = FALSE; | |
594 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 595 | init_ids(); |
a0d0e21e LW |
596 | init_postdump_symbols(argc,argv,env); |
597 | return 0; | |
598 | } | |
599 | ||
ff0cee69 | 600 | if (main_root) { |
601 | curpad = AvARRAY(comppad); | |
a0d0e21e | 602 | op_free(main_root); |
ff0cee69 | 603 | main_root = Nullop; |
604 | } | |
605 | main_start = Nullop; | |
606 | SvREFCNT_dec(main_cv); | |
607 | main_cv = Nullcv; | |
79072805 | 608 | |
f86702cc | 609 | time(&basetime); |
2ae324a7 | 610 | oldscope = scopestack_ix; |
f86702cc | 611 | |
22921e25 CS |
612 | JMPENV_PUSH(ret); |
613 | switch (ret) { | |
79072805 | 614 | case 1: |
f86702cc | 615 | STATUS_ALL_FAILURE; |
616 | /* FALL THROUGH */ | |
79072805 | 617 | case 2: |
f86702cc | 618 | /* my_exit() was called */ |
2ae324a7 | 619 | while (scopestack_ix > oldscope) |
620 | LEAVE; | |
84902520 | 621 | FREETMPS; |
8990e307 LW |
622 | curstash = defstash; |
623 | if (endav) | |
68dc0745 | 624 | call_list(oldscope, endav); |
54310121 | 625 | JMPENV_POP; |
f86702cc | 626 | return STATUS_NATIVE_EXPORT; |
79072805 | 627 | case 3: |
54310121 | 628 | JMPENV_POP; |
760ac839 | 629 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 630 | return 1; |
79072805 LW |
631 | } |
632 | ||
79072805 LW |
633 | sv_setpvn(linestr,"",0); |
634 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 635 | SAVEFREESV(sv); |
79072805 | 636 | init_main_stash(); |
54310121 | 637 | |
33b78306 | 638 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
639 | if (argv[0][0] != '-' || !argv[0][1]) |
640 | break; | |
13281fa4 LW |
641 | #ifdef DOSUID |
642 | if (*validarg) | |
643 | validarg = " PHOOEY "; | |
644 | else | |
645 | validarg = argv[0]; | |
646 | #endif | |
647 | s = argv[0]+1; | |
8d063cd8 | 648 | reswitch: |
13281fa4 | 649 | switch (*s) { |
27e2fb84 | 650 | case '0': |
2304df62 | 651 | case 'F': |
378cc40b | 652 | case 'a': |
33b78306 | 653 | case 'c': |
a687059c | 654 | case 'd': |
8d063cd8 | 655 | case 'D': |
4633a7c4 | 656 | case 'h': |
33b78306 | 657 | case 'i': |
fe14fcc3 | 658 | case 'l': |
1a30305b | 659 | case 'M': |
660 | case 'm': | |
33b78306 LW |
661 | case 'n': |
662 | case 'p': | |
79072805 | 663 | case 's': |
33b78306 LW |
664 | case 'u': |
665 | case 'U': | |
666 | case 'v': | |
667 | case 'w': | |
668 | if (s = moreswitches(s)) | |
669 | goto reswitch; | |
8d063cd8 | 670 | break; |
33b78306 | 671 | |
f86702cc | 672 | case 'T': |
673 | tainting = TRUE; | |
674 | s++; | |
675 | goto reswitch; | |
676 | ||
8d063cd8 | 677 | case 'e': |
a687059c | 678 | if (euid != uid || egid != gid) |
463ee0b2 | 679 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 680 | if (!e_fp) { |
a0d0e21e | 681 | e_tmpname = savepv(TMPPATH); |
3028581b | 682 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 683 | if (!*e_tmpname) |
463ee0b2 | 684 | croak("Can't mktemp()"); |
760ac839 | 685 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 686 | if (!e_fp) |
463ee0b2 | 687 | croak("Cannot open temporary file"); |
8d063cd8 | 688 | } |
552a7a9b | 689 | if (*++s) |
690 | PerlIO_puts(e_fp,s); | |
691 | else if (argv[1]) { | |
760ac839 | 692 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
693 | argc--,argv++; |
694 | } | |
552a7a9b | 695 | else |
696 | croak("No code specified for -e"); | |
760ac839 | 697 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 698 | break; |
fb73857a | 699 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 700 | forbid_setid("-I"); |
fb73857a | 701 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 702 | argc--,argv++; |
8d063cd8 | 703 | } |
fb73857a | 704 | while (s && isSPACE(*s)) |
705 | ++s; | |
706 | if (s && *s) { | |
707 | char *e, *p; | |
708 | for (e = s; *e && !isSPACE(*e); e++) ; | |
709 | p = savepvn(s, e-s); | |
710 | incpush(p, TRUE); | |
711 | sv_catpv(sv,"-I"); | |
712 | sv_catpv(sv,p); | |
713 | sv_catpv(sv," "); | |
714 | Safefree(p); | |
715 | } /* XXX else croak? */ | |
8d063cd8 | 716 | break; |
8d063cd8 | 717 | case 'P': |
bbce6d69 | 718 | forbid_setid("-P"); |
8d063cd8 | 719 | preprocess = TRUE; |
13281fa4 | 720 | s++; |
8d063cd8 | 721 | goto reswitch; |
378cc40b | 722 | case 'S': |
bbce6d69 | 723 | forbid_setid("-S"); |
378cc40b | 724 | dosearch = TRUE; |
13281fa4 | 725 | s++; |
378cc40b | 726 | goto reswitch; |
1a30305b | 727 | case 'V': |
728 | if (!preambleav) | |
729 | preambleav = newAV(); | |
730 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
731 | if (*++s != ':') { | |
6e72f9df | 732 | Sv = newSVpv("print myconfig();",0); |
733 | #ifdef VMS | |
734 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
735 | #else | |
736 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
737 | #endif | |
54310121 | 738 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 739 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 740 | # ifdef DEBUGGING |
46fc3d4c | 741 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 742 | # endif |
54310121 | 743 | # ifdef NO_EMBED |
46fc3d4c | 744 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 745 | # endif |
746 | # ifdef MULTIPLICITY | |
46fc3d4c | 747 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 748 | # endif |
46fc3d4c | 749 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 750 | #endif |
751 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 752 | if (LOCAL_PATCH_COUNT > 0) { |
753 | int i; | |
5cd24f17 | 754 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 755 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 756 | if (localpatches[i]) |
757 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 758 | } |
759 | } | |
760 | #endif | |
46fc3d4c | 761 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 762 | #ifdef __DATE__ |
763 | # ifdef __TIME__ | |
46fc3d4c | 764 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 765 | # else |
46fc3d4c | 766 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 767 | # endif |
6e72f9df | 768 | #endif |
54310121 | 769 | sv_catpv(Sv, "; \ |
770 | $\"=\"\\n \"; \ | |
771 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
772 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
773 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 774 | } |
775 | else { | |
776 | Sv = newSVpv("config_vars(qw(",0); | |
777 | sv_catpv(Sv, ++s); | |
778 | sv_catpv(Sv, "))"); | |
779 | s += strlen(s); | |
780 | } | |
781 | av_push(preambleav, Sv); | |
c07a80fd | 782 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 783 | goto reswitch; |
33b78306 LW |
784 | case 'x': |
785 | doextract = TRUE; | |
13281fa4 | 786 | s++; |
33b78306 | 787 | if (*s) |
a0d0e21e | 788 | cddir = savepv(s); |
33b78306 | 789 | break; |
8d063cd8 LW |
790 | case 0: |
791 | break; | |
fb73857a | 792 | case '-': |
793 | if (!*++s || isSPACE(*s)) { | |
794 | argc--,argv++; | |
795 | goto switch_end; | |
796 | } | |
797 | /* catch use of gnu style long options */ | |
798 | if (strEQ(s, "version")) { | |
799 | s = "v"; | |
800 | goto reswitch; | |
801 | } | |
802 | if (strEQ(s, "help")) { | |
803 | s = "h"; | |
804 | goto reswitch; | |
805 | } | |
806 | s--; | |
807 | /* FALL THROUGH */ | |
8d063cd8 | 808 | default: |
90248788 | 809 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
810 | } |
811 | } | |
812 | switch_end: | |
54310121 | 813 | |
5fd9e9a4 | 814 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 815 | while (s && *s) { |
54310121 | 816 | while (isSPACE(*s)) |
817 | s++; | |
818 | if (*s == '-') { | |
819 | s++; | |
820 | if (isSPACE(*s)) | |
821 | continue; | |
822 | } | |
823 | if (!*s) | |
824 | break; | |
825 | if (!strchr("DIMUdmw", *s)) | |
826 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
827 | s = moreswitches(s); | |
828 | } | |
829 | } | |
830 | ||
1a30305b | 831 | if (!scriptname) |
832 | scriptname = argv[0]; | |
8d063cd8 | 833 | if (e_fp) { |
68dc0745 | 834 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
835 | #ifndef MULTIPLICITY | |
836 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
837 | #endif | |
2304df62 | 838 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 839 | } |
ab821d7f | 840 | e_fp = Nullfp; |
8d063cd8 | 841 | argc++,argv--; |
45d8adaa | 842 | scriptname = e_tmpname; |
8d063cd8 | 843 | } |
79072805 LW |
844 | else if (scriptname == Nullch) { |
845 | #ifdef MSDOS | |
3028581b | 846 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 847 | moreswitches("h"); |
fe14fcc3 | 848 | #endif |
79072805 LW |
849 | scriptname = "-"; |
850 | } | |
fe14fcc3 | 851 | |
79072805 | 852 | init_perllib(); |
8d063cd8 | 853 | |
79072805 | 854 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 855 | |
96436eeb | 856 | validate_suid(validarg, scriptname); |
378cc40b | 857 | |
79072805 LW |
858 | if (doextract) |
859 | find_beginning(); | |
860 | ||
4fdae800 | 861 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 862 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 863 | CvUNIQUE_on(compcv); |
748a9306 | 864 | |
6e72f9df | 865 | comppad = newAV(); |
79072805 LW |
866 | av_push(comppad, Nullsv); |
867 | curpad = AvARRAY(comppad); | |
6e72f9df | 868 | comppad_name = newAV(); |
8990e307 | 869 | comppad_name_fill = 0; |
e858de61 MB |
870 | min_intro_pending = 0; |
871 | padix = 0; | |
11343788 MB |
872 | #ifdef USE_THREADS |
873 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 874 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 875 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 876 | CvOWNER(compcv) = 0; |
12ca11f6 | 877 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 878 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 879 | #endif /* USE_THREADS */ |
79072805 | 880 | |
748a9306 LW |
881 | comppadlist = newAV(); |
882 | AvREAL_off(comppadlist); | |
8e07c86e AD |
883 | av_store(comppadlist, 0, (SV*)comppad_name); |
884 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
885 | CvPADLIST(compcv) = comppadlist; |
886 | ||
6e72f9df | 887 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
888 | if (xsinit) |
889 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
39e571d4 | 890 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
891 | init_os_extras(); |
892 | #endif | |
93a17b20 | 893 | |
93a17b20 | 894 | init_predump_symbols(); |
8990e307 LW |
895 | if (!do_undump) |
896 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 897 | |
79072805 LW |
898 | init_lexer(); |
899 | ||
900 | /* now parse the script */ | |
901 | ||
61bb5906 | 902 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
903 | error_count = 0; |
904 | if (yyparse() || error_count) { | |
905 | if (minus_c) | |
463ee0b2 | 906 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 907 | else { |
463ee0b2 | 908 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 909 | origfilename); |
378cc40b | 910 | } |
79072805 LW |
911 | } |
912 | curcop->cop_line = 0; | |
913 | curstash = defstash; | |
914 | preprocess = FALSE; | |
ab821d7f | 915 | if (e_tmpname) { |
79072805 | 916 | (void)UNLINK(e_tmpname); |
ab821d7f | 917 | Safefree(e_tmpname); |
918 | e_tmpname = Nullch; | |
378cc40b | 919 | } |
a687059c | 920 | |
93a17b20 | 921 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 922 | SvREFCNT_dec(rs); |
923 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 924 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
925 | if (do_undump) |
926 | my_unexec(); | |
927 | ||
8990e307 LW |
928 | if (dowarn) |
929 | gv_check(defstash); | |
930 | ||
a0d0e21e LW |
931 | LEAVE; |
932 | FREETMPS; | |
c07a80fd | 933 | |
3562ef9b | 934 | #ifdef MYMALLOC |
5fd9e9a4 | 935 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 936 | dump_mstats("after compilation:"); |
937 | #endif | |
938 | ||
a0d0e21e LW |
939 | ENTER; |
940 | restartop = 0; | |
54310121 | 941 | JMPENV_POP; |
79072805 LW |
942 | return 0; |
943 | } | |
944 | ||
945 | int | |
8ac85365 | 946 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 947 | { |
11343788 | 948 | dTHR; |
2ae324a7 | 949 | I32 oldscope; |
22921e25 CS |
950 | dJMPENV; |
951 | int ret; | |
2ae324a7 | 952 | |
79072805 LW |
953 | if (!(curinterp = sv_interp)) |
954 | return 255; | |
2ae324a7 | 955 | |
956 | oldscope = scopestack_ix; | |
957 | ||
22921e25 CS |
958 | JMPENV_PUSH(ret); |
959 | switch (ret) { | |
79072805 LW |
960 | case 1: |
961 | cxstack_ix = -1; /* start context stack again */ | |
962 | break; | |
963 | case 2: | |
f86702cc | 964 | /* my_exit() was called */ |
2ae324a7 | 965 | while (scopestack_ix > oldscope) |
966 | LEAVE; | |
84902520 | 967 | FREETMPS; |
79072805 | 968 | curstash = defstash; |
93a17b20 | 969 | if (endav) |
68dc0745 | 970 | call_list(oldscope, endav); |
3562ef9b | 971 | #ifdef MYMALLOC |
5fd9e9a4 | 972 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 973 | dump_mstats("after execution: "); |
974 | #endif | |
54310121 | 975 | JMPENV_POP; |
f86702cc | 976 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
977 | case 3: |
978 | if (!restartop) { | |
760ac839 | 979 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 980 | FREETMPS; |
54310121 | 981 | JMPENV_POP; |
8990e307 | 982 | return 1; |
83025b21 | 983 | } |
6e72f9df | 984 | if (curstack != mainstack) { |
79072805 | 985 | dSP; |
6e72f9df | 986 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
987 | } |
988 | break; | |
8d063cd8 | 989 | } |
79072805 | 990 | |
fb73857a | 991 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 992 | sawampersand ? "Enabling" : "Omitting")); |
993 | ||
79072805 LW |
994 | if (!restartop) { |
995 | DEBUG_x(dump_all()); | |
760ac839 | 996 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 997 | #ifdef USE_THREADS |
5dc0d613 MB |
998 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
999 | (unsigned long) thr)); | |
11343788 | 1000 | #endif /* USE_THREADS */ |
79072805 LW |
1001 | |
1002 | if (minus_c) { | |
760ac839 | 1003 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1004 | my_exit(0); |
1005 | } | |
84902520 | 1006 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1007 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1008 | if (initav) |
1009 | call_list(oldscope, initav); | |
45d8adaa | 1010 | } |
79072805 LW |
1011 | |
1012 | /* do it */ | |
1013 | ||
1014 | if (restartop) { | |
1015 | op = restartop; | |
1016 | restartop = 0; | |
ab821d7f | 1017 | runops(); |
79072805 LW |
1018 | } |
1019 | else if (main_start) { | |
4fdae800 | 1020 | CvDEPTH(main_cv) = 1; |
79072805 | 1021 | op = main_start; |
ab821d7f | 1022 | runops(); |
79072805 | 1023 | } |
79072805 LW |
1024 | |
1025 | my_exit(0); | |
54310121 | 1026 | /* NOTREACHED */ |
a0d0e21e | 1027 | return 0; |
79072805 LW |
1028 | } |
1029 | ||
a0d0e21e | 1030 | SV* |
8ac85365 | 1031 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1032 | { |
2faa37cc | 1033 | GV *gv; |
38a03e6e | 1034 | #ifdef USE_THREADS |
2faa37cc | 1035 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1036 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1037 | if (tmp != NOT_IN_PAD) { |
1038 | dTHR; | |
940cb80d | 1039 | return THREADSV(tmp); |
2faa37cc | 1040 | } |
38a03e6e MB |
1041 | } |
1042 | #endif /* USE_THREADS */ | |
2faa37cc | 1043 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1044 | if (gv) |
1045 | return GvSV(gv); | |
1046 | return Nullsv; | |
1047 | } | |
1048 | ||
1049 | AV* | |
8ac85365 | 1050 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1051 | { |
1052 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1053 | if (create) | |
1054 | return GvAVn(gv); | |
1055 | if (gv) | |
1056 | return GvAV(gv); | |
1057 | return Nullav; | |
1058 | } | |
1059 | ||
1060 | HV* | |
8ac85365 | 1061 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1062 | { |
1063 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1064 | if (create) | |
1065 | return GvHVn(gv); | |
1066 | if (gv) | |
1067 | return GvHV(gv); | |
1068 | return Nullhv; | |
1069 | } | |
1070 | ||
1071 | CV* | |
8ac85365 | 1072 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1073 | { |
1074 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1075 | if (create && !GvCVu(gv)) |
774d564b | 1076 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1077 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1078 | Nullop, |
a0d0e21e LW |
1079 | Nullop); |
1080 | if (gv) | |
8ebc5c01 | 1081 | return GvCVu(gv); |
a0d0e21e LW |
1082 | return Nullcv; |
1083 | } | |
1084 | ||
79072805 LW |
1085 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1086 | ||
a0d0e21e | 1087 | I32 |
22239a37 | 1088 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1089 | |
1090 | /* See G_* flags in cop.h */ | |
1091 | /* null terminated arg list */ | |
8990e307 | 1092 | { |
a0d0e21e | 1093 | dSP; |
8990e307 | 1094 | |
a0d0e21e LW |
1095 | PUSHMARK(sp); |
1096 | if (argv) { | |
8990e307 | 1097 | while (*argv) { |
a0d0e21e | 1098 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1099 | argv++; |
1100 | } | |
a0d0e21e | 1101 | PUTBACK; |
8990e307 | 1102 | } |
22239a37 | 1103 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1104 | } |
1105 | ||
a0d0e21e | 1106 | I32 |
22239a37 | 1107 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1108 | /* name of the subroutine */ |
1109 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1110 | { |
22239a37 | 1111 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1112 | } |
1113 | ||
1114 | I32 | |
8ac85365 NIS |
1115 | perl_call_method(char *methname, I32 flags) |
1116 | /* name of the subroutine */ | |
1117 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1118 | { |
1119 | dSP; | |
1120 | OP myop; | |
1121 | if (!op) | |
1122 | op = &myop; | |
1123 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1124 | PUTBACK; | |
11343788 | 1125 | pp_method(ARGS); |
a0d0e21e LW |
1126 | return perl_call_sv(*stack_sp--, flags); |
1127 | } | |
1128 | ||
1129 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1130 | I32 | |
8ac85365 NIS |
1131 | perl_call_sv(SV *sv, I32 flags) |
1132 | ||
1133 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1134 | { |
11343788 | 1135 | dTHR; |
a0d0e21e LW |
1136 | LOGOP myop; /* fake syntax tree node */ |
1137 | SV** sp = stack_sp; | |
aa689395 | 1138 | I32 oldmark; |
a0d0e21e | 1139 | I32 retval; |
a0d0e21e | 1140 | I32 oldscope; |
6e72f9df | 1141 | static CV *DBcv; |
54310121 | 1142 | bool oldcatch = CATCH_GET; |
1143 | dJMPENV; | |
22921e25 | 1144 | int ret; |
d6602a8c | 1145 | OP* oldop = op; |
1e422769 | 1146 | |
a0d0e21e LW |
1147 | if (flags & G_DISCARD) { |
1148 | ENTER; | |
1149 | SAVETMPS; | |
1150 | } | |
1151 | ||
aa689395 | 1152 | Zero(&myop, 1, LOGOP); |
54310121 | 1153 | myop.op_next = Nullop; |
f51d4af5 | 1154 | if (!(flags & G_NOARGS)) |
aa689395 | 1155 | myop.op_flags |= OPf_STACKED; |
54310121 | 1156 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1157 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1158 | OPf_WANT_SCALAR); | |
462e5cf6 | 1159 | SAVEOP(); |
a0d0e21e | 1160 | op = (OP*)&myop; |
aa689395 | 1161 | |
a0d0e21e LW |
1162 | EXTEND(stack_sp, 1); |
1163 | *++stack_sp = sv; | |
aa689395 | 1164 | oldmark = TOPMARK; |
a0d0e21e LW |
1165 | oldscope = scopestack_ix; |
1166 | ||
84902520 | 1167 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1168 | /* Handle first BEGIN of -d. */ |
1169 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1170 | /* Try harder, since this may have been a sighandler, thus | |
1171 | * curstash may be meaningless. */ | |
1172 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1173 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1174 | |
1175 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1176 | cLOGOP->op_other = op; |
1177 | markstack_ptr--; | |
4633a7c4 LW |
1178 | /* we're trying to emulate pp_entertry() here */ |
1179 | { | |
c09156bb | 1180 | register PERL_CONTEXT *cx; |
54310121 | 1181 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1182 | |
1183 | ENTER; | |
1184 | SAVETMPS; | |
1185 | ||
1186 | push_return(op->op_next); | |
1187 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1188 | PUSHEVAL(cx, 0, 0); | |
1189 | eval_root = op; /* Only needed so that goto works right. */ | |
1190 | ||
1191 | in_eval = 1; | |
1192 | if (flags & G_KEEPERR) | |
1193 | in_eval |= 4; | |
1194 | else | |
38a03e6e | 1195 | sv_setpv(ERRSV,""); |
4633a7c4 | 1196 | } |
a0d0e21e LW |
1197 | markstack_ptr++; |
1198 | ||
22921e25 CS |
1199 | JMPENV_PUSH(ret); |
1200 | switch (ret) { | |
a0d0e21e LW |
1201 | case 0: |
1202 | break; | |
1203 | case 1: | |
f86702cc | 1204 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1205 | /* FALL THROUGH */ |
1206 | case 2: | |
1207 | /* my_exit() was called */ | |
1208 | curstash = defstash; | |
1209 | FREETMPS; | |
54310121 | 1210 | JMPENV_POP; |
a0d0e21e LW |
1211 | if (statusvalue) |
1212 | croak("Callback called exit"); | |
f86702cc | 1213 | my_exit_jump(); |
a0d0e21e LW |
1214 | /* NOTREACHED */ |
1215 | case 3: | |
1216 | if (restartop) { | |
1217 | op = restartop; | |
1218 | restartop = 0; | |
54310121 | 1219 | break; |
a0d0e21e LW |
1220 | } |
1221 | stack_sp = stack_base + oldmark; | |
1222 | if (flags & G_ARRAY) | |
1223 | retval = 0; | |
1224 | else { | |
1225 | retval = 1; | |
1226 | *++stack_sp = &sv_undef; | |
1227 | } | |
1228 | goto cleanup; | |
1229 | } | |
1230 | } | |
1e422769 | 1231 | else |
54310121 | 1232 | CATCH_SET(TRUE); |
a0d0e21e LW |
1233 | |
1234 | if (op == (OP*)&myop) | |
11343788 | 1235 | op = pp_entersub(ARGS); |
a0d0e21e | 1236 | if (op) |
ab821d7f | 1237 | runops(); |
a0d0e21e | 1238 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1239 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1240 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1241 | |
1242 | cleanup: | |
1243 | if (flags & G_EVAL) { | |
1244 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1245 | SV **newsp; |
1246 | PMOP *newpm; | |
1247 | I32 gimme; | |
c09156bb | 1248 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1249 | I32 optype; |
1250 | ||
1251 | POPBLOCK(cx,newpm); | |
1252 | POPEVAL(cx); | |
1253 | pop_return(); | |
1254 | curpm = newpm; | |
1255 | LEAVE; | |
a0d0e21e | 1256 | } |
54310121 | 1257 | JMPENV_POP; |
a0d0e21e | 1258 | } |
1e422769 | 1259 | else |
54310121 | 1260 | CATCH_SET(oldcatch); |
1e422769 | 1261 | |
a0d0e21e LW |
1262 | if (flags & G_DISCARD) { |
1263 | stack_sp = stack_base + oldmark; | |
1264 | retval = 0; | |
1265 | FREETMPS; | |
1266 | LEAVE; | |
1267 | } | |
d6602a8c | 1268 | op = oldop; |
a0d0e21e LW |
1269 | return retval; |
1270 | } | |
1271 | ||
6e72f9df | 1272 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1273 | |
a0d0e21e | 1274 | I32 |
8ac85365 NIS |
1275 | perl_eval_sv(SV *sv, I32 flags) |
1276 | ||
1277 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1278 | { |
11343788 | 1279 | dTHR; |
a0d0e21e | 1280 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1281 | SV** sp = stack_sp; |
1282 | I32 oldmark = sp - stack_base; | |
1283 | I32 retval; | |
4633a7c4 | 1284 | I32 oldscope; |
54310121 | 1285 | dJMPENV; |
22921e25 | 1286 | int ret; |
84902520 TB |
1287 | OP* oldop = op; |
1288 | ||
4633a7c4 LW |
1289 | if (flags & G_DISCARD) { |
1290 | ENTER; | |
1291 | SAVETMPS; | |
1292 | } | |
1293 | ||
462e5cf6 | 1294 | SAVEOP(); |
79072805 | 1295 | op = (OP*)&myop; |
a0d0e21e | 1296 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1297 | EXTEND(stack_sp, 1); |
1298 | *++stack_sp = sv; | |
1299 | oldscope = scopestack_ix; | |
79072805 | 1300 | |
4633a7c4 LW |
1301 | if (!(flags & G_NOARGS)) |
1302 | myop.op_flags = OPf_STACKED; | |
79072805 | 1303 | myop.op_next = Nullop; |
6e72f9df | 1304 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1305 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1306 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1307 | OPf_WANT_SCALAR); | |
6e72f9df | 1308 | if (flags & G_KEEPERR) |
1309 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1310 | |
22921e25 CS |
1311 | JMPENV_PUSH(ret); |
1312 | switch (ret) { | |
4633a7c4 LW |
1313 | case 0: |
1314 | break; | |
1315 | case 1: | |
f86702cc | 1316 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1317 | /* FALL THROUGH */ |
1318 | case 2: | |
1319 | /* my_exit() was called */ | |
1320 | curstash = defstash; | |
1321 | FREETMPS; | |
54310121 | 1322 | JMPENV_POP; |
4633a7c4 LW |
1323 | if (statusvalue) |
1324 | croak("Callback called exit"); | |
f86702cc | 1325 | my_exit_jump(); |
4633a7c4 LW |
1326 | /* NOTREACHED */ |
1327 | case 3: | |
1328 | if (restartop) { | |
1329 | op = restartop; | |
1330 | restartop = 0; | |
54310121 | 1331 | break; |
4633a7c4 LW |
1332 | } |
1333 | stack_sp = stack_base + oldmark; | |
1334 | if (flags & G_ARRAY) | |
1335 | retval = 0; | |
1336 | else { | |
1337 | retval = 1; | |
1338 | *++stack_sp = &sv_undef; | |
1339 | } | |
1340 | goto cleanup; | |
1341 | } | |
1342 | ||
1343 | if (op == (OP*)&myop) | |
11343788 | 1344 | op = pp_entereval(ARGS); |
4633a7c4 | 1345 | if (op) |
ab821d7f | 1346 | runops(); |
4633a7c4 | 1347 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1348 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1349 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1350 | |
1351 | cleanup: | |
54310121 | 1352 | JMPENV_POP; |
4633a7c4 LW |
1353 | if (flags & G_DISCARD) { |
1354 | stack_sp = stack_base + oldmark; | |
1355 | retval = 0; | |
1356 | FREETMPS; | |
1357 | LEAVE; | |
1358 | } | |
84902520 | 1359 | op = oldop; |
4633a7c4 LW |
1360 | return retval; |
1361 | } | |
1362 | ||
137443ea | 1363 | SV* |
8ac85365 | 1364 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1365 | { |
1366 | dSP; | |
1367 | SV* sv = newSVpv(p, 0); | |
1368 | ||
1369 | PUSHMARK(sp); | |
1370 | perl_eval_sv(sv, G_SCALAR); | |
1371 | SvREFCNT_dec(sv); | |
1372 | ||
1373 | SPAGAIN; | |
1374 | sv = POPs; | |
1375 | PUTBACK; | |
1376 | ||
38a03e6e MB |
1377 | if (croak_on_error && SvTRUE(ERRSV)) |
1378 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1379 | |
1380 | return sv; | |
1381 | } | |
1382 | ||
4633a7c4 LW |
1383 | /* Require a module. */ |
1384 | ||
1385 | void | |
8ac85365 | 1386 | perl_require_pv(char *pv) |
4633a7c4 LW |
1387 | { |
1388 | SV* sv = sv_newmortal(); | |
1389 | sv_setpv(sv, "require '"); | |
1390 | sv_catpv(sv, pv); | |
1391 | sv_catpv(sv, "'"); | |
1392 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1393 | } |
1394 | ||
79072805 | 1395 | void |
8ac85365 | 1396 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1397 | { |
1398 | register GV *gv; | |
1399 | ||
85e6fe83 | 1400 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1401 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1402 | } | |
1403 | ||
ab821d7f | 1404 | static void |
8ac85365 NIS |
1405 | usage(char *name) /* XXX move this out into a module ? */ |
1406 | ||
4633a7c4 | 1407 | { |
ab821d7f | 1408 | /* This message really ought to be max 23 lines. |
1409 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1410 | |
1411 | static char *usage[] = { | |
1412 | "-0[octal] specify record separator (\\0, if no argument)", | |
1413 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1414 | "-c check syntax only (runs BEGIN and END blocks)", | |
1415 | "-d[:debugger] run scripts under debugger", | |
1416 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1417 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1418 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1419 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1420 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1421 | "-l[octal] enable line ending processing, specifies line terminator", | |
1422 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1423 | "-n assume 'while (<>) { ... }' loop around your script", | |
1424 | "-p assume loop like -n but print line also like sed", | |
1425 | "-P run script through C preprocessor before compilation", | |
1426 | "-s enable some switch parsing for switches after script name", | |
1427 | "-S look for the script using PATH environment variable", | |
1428 | "-T turn on tainting checks", | |
1429 | "-u dump core after parsing script", | |
1430 | "-U allow unsafe operations", | |
1431 | "-v print version number and patchlevel of perl", | |
1432 | "-V[:variable] print perl configuration information", | |
1433 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1434 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1435 | "\n", | |
1436 | NULL | |
1437 | }; | |
1438 | char **p = usage; | |
1439 | ||
ab821d7f | 1440 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1441 | while (*p) |
1442 | printf("\n %s", *p++); | |
4633a7c4 LW |
1443 | } |
1444 | ||
79072805 LW |
1445 | /* This routine handles any switches that can be given during run */ |
1446 | ||
1447 | char * | |
8ac85365 | 1448 | moreswitches(char *s) |
79072805 LW |
1449 | { |
1450 | I32 numlen; | |
c07a80fd | 1451 | U32 rschar; |
79072805 LW |
1452 | |
1453 | switch (*s) { | |
1454 | case '0': | |
a863c7d1 MB |
1455 | { |
1456 | dTHR; | |
c07a80fd | 1457 | rschar = scan_oct(s, 4, &numlen); |
1458 | SvREFCNT_dec(nrs); | |
1459 | if (rschar & ~((U8)~0)) | |
1460 | nrs = &sv_undef; | |
1461 | else if (!rschar && numlen >= 2) | |
1462 | nrs = newSVpv("", 0); | |
1463 | else { | |
1464 | char ch = rschar; | |
1465 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1466 | } |
1467 | return s + numlen; | |
a863c7d1 | 1468 | } |
2304df62 AD |
1469 | case 'F': |
1470 | minus_F = TRUE; | |
a0d0e21e | 1471 | splitstr = savepv(s + 1); |
2304df62 AD |
1472 | s += strlen(s); |
1473 | return s; | |
79072805 LW |
1474 | case 'a': |
1475 | minus_a = TRUE; | |
1476 | s++; | |
1477 | return s; | |
1478 | case 'c': | |
1479 | minus_c = TRUE; | |
1480 | s++; | |
1481 | return s; | |
1482 | case 'd': | |
bbce6d69 | 1483 | forbid_setid("-d"); |
4633a7c4 | 1484 | s++; |
c07a80fd | 1485 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1486 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1487 | s += strlen(s); |
4633a7c4 | 1488 | } |
a0d0e21e | 1489 | if (!perldb) { |
84902520 | 1490 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1491 | init_debugger(); |
1492 | } | |
79072805 LW |
1493 | return s; |
1494 | case 'D': | |
1495 | #ifdef DEBUGGING | |
bbce6d69 | 1496 | forbid_setid("-D"); |
79072805 | 1497 | if (isALPHA(s[1])) { |
8990e307 | 1498 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1499 | char *d; |
1500 | ||
93a17b20 | 1501 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1502 | debug |= 1 << (d - debopts); |
1503 | } | |
1504 | else { | |
1505 | debug = atoi(s+1); | |
1506 | for (s++; isDIGIT(*s); s++) ; | |
1507 | } | |
8990e307 | 1508 | debug |= 0x80000000; |
79072805 LW |
1509 | #else |
1510 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1511 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1512 | #endif |
1513 | /*SUPPRESS 530*/ | |
1514 | return s; | |
4633a7c4 LW |
1515 | case 'h': |
1516 | usage(origargv[0]); | |
3028581b | 1517 | PerlProc_exit(0); |
79072805 LW |
1518 | case 'i': |
1519 | if (inplace) | |
1520 | Safefree(inplace); | |
a0d0e21e | 1521 | inplace = savepv(s+1); |
79072805 LW |
1522 | /*SUPPRESS 530*/ |
1523 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1524 | if (*s) |
1525 | *s++ = '\0'; | |
1526 | return s; | |
1527 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1528 | forbid_setid("-I"); |
fb73857a | 1529 | ++s; |
1530 | while (*s && isSPACE(*s)) | |
1531 | ++s; | |
1532 | if (*s) { | |
774d564b | 1533 | char *e, *p; |
748a9306 | 1534 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1535 | p = savepvn(s, e-s); |
1536 | incpush(p, TRUE); | |
1537 | Safefree(p); | |
fb73857a | 1538 | s = e; |
79072805 LW |
1539 | } |
1540 | else | |
463ee0b2 | 1541 | croak("No space allowed after -I"); |
fb73857a | 1542 | return s; |
79072805 LW |
1543 | case 'l': |
1544 | minus_l = TRUE; | |
1545 | s++; | |
a0d0e21e LW |
1546 | if (ors) |
1547 | Safefree(ors); | |
79072805 | 1548 | if (isDIGIT(*s)) { |
a0d0e21e | 1549 | ors = savepv("\n"); |
79072805 LW |
1550 | orslen = 1; |
1551 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1552 | s += numlen; | |
1553 | } | |
1554 | else { | |
a863c7d1 | 1555 | dTHR; |
c07a80fd | 1556 | if (RsPARA(nrs)) { |
6e72f9df | 1557 | ors = "\n\n"; |
c07a80fd | 1558 | orslen = 2; |
1559 | } | |
1560 | else | |
1561 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1562 | ors = savepvn(ors, orslen); |
79072805 LW |
1563 | } |
1564 | return s; | |
1a30305b | 1565 | case 'M': |
bbce6d69 | 1566 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1567 | /* FALL THROUGH */ |
1568 | case 'm': | |
bbce6d69 | 1569 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1570 | if (*++s) { |
a5f75d66 | 1571 | char *start; |
11343788 | 1572 | SV *sv; |
a5f75d66 AD |
1573 | char *use = "use "; |
1574 | /* -M-foo == 'no foo' */ | |
1575 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1576 | sv = newSVpv(use,0); |
a5f75d66 | 1577 | start = s; |
1a30305b | 1578 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1579 | while(isALNUM(*s) || *s==':') ++s; |
1580 | if (*s != '=') { | |
11343788 | 1581 | sv_catpv(sv, start); |
c07a80fd | 1582 | if (*(start-1) == 'm') { |
1583 | if (*s != '\0') | |
1584 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1585 | sv_catpv( sv, " ()"); |
c07a80fd | 1586 | } |
1587 | } else { | |
11343788 MB |
1588 | sv_catpvn(sv, start, s-start); |
1589 | sv_catpv(sv, " split(/,/,q{"); | |
1590 | sv_catpv(sv, ++s); | |
1591 | sv_catpv(sv, "})"); | |
c07a80fd | 1592 | } |
1a30305b | 1593 | s += strlen(s); |
c07a80fd | 1594 | if (preambleav == NULL) |
1595 | preambleav = newAV(); | |
11343788 | 1596 | av_push(preambleav, sv); |
1a30305b | 1597 | } |
1598 | else | |
1599 | croak("No space allowed after -%c", *(s-1)); | |
1600 | return s; | |
79072805 LW |
1601 | case 'n': |
1602 | minus_n = TRUE; | |
1603 | s++; | |
1604 | return s; | |
1605 | case 'p': | |
1606 | minus_p = TRUE; | |
1607 | s++; | |
1608 | return s; | |
1609 | case 's': | |
bbce6d69 | 1610 | forbid_setid("-s"); |
79072805 LW |
1611 | doswitches = TRUE; |
1612 | s++; | |
1613 | return s; | |
463ee0b2 | 1614 | case 'T': |
f86702cc | 1615 | if (!tainting) |
9607fc9c | 1616 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1617 | s++; |
1618 | return s; | |
79072805 LW |
1619 | case 'u': |
1620 | do_undump = TRUE; | |
1621 | s++; | |
1622 | return s; | |
1623 | case 'U': | |
1624 | unsafe = TRUE; | |
1625 | s++; | |
1626 | return s; | |
1627 | case 'v': | |
a5f75d66 | 1628 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1629 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1630 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1631 | #else |
fb73857a | 1632 | printf("\nThis is perl, version %s built for %s", |
1633 | patchlevel, ARCHNAME); | |
1634 | #endif | |
1635 | #if defined(LOCAL_PATCH_COUNT) | |
1636 | if (LOCAL_PATCH_COUNT > 0) | |
1637 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1638 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1639 | #endif |
1a30305b | 1640 | |
a411490c | 1641 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1642 | #ifdef MSDOS |
fb73857a | 1643 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1644 | #endif |
1645 | #ifdef DJGPP | |
1646 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1647 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1648 | #endif |
79072805 | 1649 | #ifdef OS2 |
5dd60ef7 | 1650 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1651 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1652 | #endif |
79072805 | 1653 | #ifdef atarist |
760ac839 | 1654 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1655 | #endif |
760ac839 | 1656 | printf("\n\ |
79072805 | 1657 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1658 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
3028581b | 1659 | PerlProc_exit(0); |
79072805 LW |
1660 | case 'w': |
1661 | dowarn = TRUE; | |
1662 | s++; | |
1663 | return s; | |
a0d0e21e | 1664 | case '*': |
79072805 LW |
1665 | case ' ': |
1666 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1667 | return s+2; | |
1668 | break; | |
a0d0e21e | 1669 | case '-': |
79072805 | 1670 | case 0: |
a868473f NIS |
1671 | #ifdef WIN32 |
1672 | case '\r': | |
1673 | #endif | |
79072805 LW |
1674 | case '\n': |
1675 | case '\t': | |
1676 | break; | |
aa689395 | 1677 | #ifdef ALTERNATE_SHEBANG |
1678 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1679 | break; | |
1680 | #endif | |
a0d0e21e LW |
1681 | case 'P': |
1682 | if (preprocess) | |
1683 | return s+1; | |
1684 | /* FALL THROUGH */ | |
79072805 | 1685 | default: |
a0d0e21e | 1686 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1687 | } |
1688 | return Nullch; | |
1689 | } | |
1690 | ||
1691 | /* compliments of Tom Christiansen */ | |
1692 | ||
1693 | /* unexec() can be found in the Gnu emacs distribution */ | |
1694 | ||
1695 | void | |
8ac85365 | 1696 | my_unexec(void) |
79072805 LW |
1697 | { |
1698 | #ifdef UNEXEC | |
46fc3d4c | 1699 | SV* prog; |
1700 | SV* file; | |
79072805 LW |
1701 | int status; |
1702 | extern int etext; | |
1703 | ||
46fc3d4c | 1704 | prog = newSVpv(BIN_EXP); |
1705 | sv_catpv(prog, "/perl"); | |
1706 | file = newSVpv(origfilename); | |
1707 | sv_catpv(file, ".perldump"); | |
79072805 | 1708 | |
46fc3d4c | 1709 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1710 | if (status) |
46fc3d4c | 1711 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1712 | SvPVX(prog), SvPVX(file)); | |
3028581b | 1713 | PerlProc_exit(status); |
79072805 | 1714 | #else |
a5f75d66 AD |
1715 | # ifdef VMS |
1716 | # include <lib$routines.h> | |
1717 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1718 | # else |
79072805 | 1719 | ABORT(); /* for use with undump */ |
aa689395 | 1720 | # endif |
a5f75d66 | 1721 | #endif |
79072805 LW |
1722 | } |
1723 | ||
1724 | static void | |
8ac85365 | 1725 | init_main_stash(void) |
79072805 | 1726 | { |
11343788 | 1727 | dTHR; |
463ee0b2 | 1728 | GV *gv; |
6e72f9df | 1729 | |
1730 | /* Note that strtab is a rather special HV. Assumptions are made | |
1731 | about not iterating on it, and not adding tie magic to it. | |
1732 | It is properly deallocated in perl_destruct() */ | |
1733 | strtab = newHV(); | |
1734 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1735 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1736 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1737 | ||
463ee0b2 | 1738 | curstash = defstash = newHV(); |
79072805 | 1739 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1740 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1741 | SvREFCNT_dec(GvHV(gv)); | |
1742 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1743 | SvREADONLY_on(gv); |
a0d0e21e | 1744 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1745 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1746 | GvMULTI_on(incgv); |
a0d0e21e | 1747 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1748 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1749 | GvMULTI_on(errgv); | |
84902520 | 1750 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1751 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1752 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1753 | curstash = defstash; |
1754 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1755 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1756 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1757 | /* We must init $/ before switches are processed. */ |
1758 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1759 | } |
1760 | ||
a0d0e21e LW |
1761 | static void |
1762 | open_script(char *scriptname, bool dosearch, SV *sv) | |
79072805 | 1763 | { |
0f15f207 | 1764 | dTHR; |
79072805 LW |
1765 | char *xfound = Nullch; |
1766 | char *xfailed = Nullch; | |
1767 | register char *s; | |
1768 | I32 len; | |
a38d6535 LW |
1769 | int retval; |
1770 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1771 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1772 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1773 | #endif |
d8c2d278 IZ |
1774 | #ifdef OS2 |
1775 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1776 | # define MAX_EXT_LEN 4 | |
1777 | #endif | |
ab821d7f | 1778 | #ifdef VMS |
1779 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1780 | # define MAX_EXT_LEN 4 |
ab821d7f | 1781 | #endif |
a38d6535 LW |
1782 | /* additional extensions to try in each dir if scriptname not found */ |
1783 | #ifdef SEARCH_EXTS | |
1784 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1785 | int extidx = 0, i = 0; |
1786 | char *curext = Nullch; | |
fc36a67e | 1787 | #else |
1788 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1789 | #endif |
79072805 | 1790 | |
2a92aaa0 GS |
1791 | /* |
1792 | * If dosearch is true and if scriptname does not contain path | |
1793 | * delimiters, search the PATH for scriptname. | |
1794 | * | |
1795 | * If SEARCH_EXTS is also defined, will look for each | |
1796 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1797 | * while searching the PATH. | |
1798 | * | |
1799 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1800 | * proceeds as follows: | |
61bb5906 | 1801 | * If DOSISH or VMSISH: |
2a92aaa0 GS |
1802 | * + look for ./scriptname{,.foo,.bar} |
1803 | * + search the PATH for scriptname{,.foo,.bar} | |
1804 | * | |
1805 | * If !DOSISH: | |
1806 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1807 | * this will not look in '.' if it's not in the PATH) | |
1808 | */ | |
1809 | ||
c07a80fd | 1810 | #ifdef VMS |
61bb5906 CB |
1811 | # ifdef ALWAYS_DEFTYPES |
1812 | len = strlen(scriptname); | |
1813 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
1814 | int hasdir, idx = 0, deftypes = 1; | |
1815 | bool seen_dot = 1; | |
1816 | ||
1817 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
1818 | # else | |
6e72f9df | 1819 | if (dosearch) { |
1820 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1821 | bool seen_dot = 1; |
6e72f9df | 1822 | |
1823 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
61bb5906 | 1824 | # endif |
6e72f9df | 1825 | /* The first time through, just add SEARCH_EXTS to whatever we |
1826 | * already have, so we can check for default file types. */ | |
fc36a67e | 1827 | while (deftypes || |
1828 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1829 | { | |
1830 | if (deftypes) { | |
1831 | deftypes = 0; | |
1832 | *tokenbuf = '\0'; | |
1833 | } | |
1834 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1835 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1836 | continue; /* don't search dir with too-long name */ | |
1837 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1838 | #else /* !VMS */ |
2a92aaa0 | 1839 | |
fc36a67e | 1840 | #ifdef DOSISH |
2a92aaa0 | 1841 | if (strEQ(scriptname, "-")) |
84902520 | 1842 | dosearch = 0; |
2a92aaa0 GS |
1843 | if (dosearch) { /* Look in '.' first. */ |
1844 | char *cur = scriptname; | |
1845 | #ifdef SEARCH_EXTS | |
1846 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1847 | while (ext[i]) | |
1848 | if (strEQ(ext[i++],curext)) { | |
1849 | extidx = -1; /* already has an ext */ | |
1850 | break; | |
1851 | } | |
1852 | do { | |
79072805 | 1853 | #endif |
2a92aaa0 GS |
1854 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1855 | "Looking for %s\n",cur)); | |
1856 | if (Stat(cur,&statbuf) >= 0) { | |
1857 | dosearch = 0; | |
1858 | scriptname = cur; | |
84902520 | 1859 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1860 | break; |
84902520 | 1861 | #endif |
2a92aaa0 GS |
1862 | } |
1863 | #ifdef SEARCH_EXTS | |
1864 | if (cur == scriptname) { | |
1865 | len = strlen(scriptname); | |
1866 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1867 | break; | |
1868 | cur = strcpy(tokenbuf, scriptname); | |
1869 | } | |
1870 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1871 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1872 | #endif | |
1873 | } | |
1874 | #endif | |
84902520 | 1875 | |
e92c4225 WJ |
1876 | if (dosearch && !strchr(scriptname, '/') |
1877 | #ifdef DOSISH | |
1878 | && !strchr(scriptname, '\\') | |
1879 | #endif | |
5fd9e9a4 | 1880 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 | 1881 | bool seen_dot = 0; |
84902520 | 1882 | |
79072805 | 1883 | bufend = s + strlen(s); |
fc36a67e | 1884 | while (s < bufend) { |
2a92aaa0 GS |
1885 | #if defined(atarist) || defined(DOSISH) |
1886 | for (len = 0; *s | |
1887 | # ifdef atarist | |
1888 | && *s != ',' | |
1889 | # endif | |
1890 | && *s != ';'; len++, s++) { | |
fc36a67e | 1891 | if (len < sizeof tokenbuf) |
1892 | tokenbuf[len] = *s; | |
1893 | } | |
1894 | if (len < sizeof tokenbuf) | |
1895 | tokenbuf[len] = '\0'; | |
84902520 TB |
1896 | #else /* ! (atarist || DOSISH) */ |
1897 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1898 | ':', | |
1899 | &len); | |
1900 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1901 | if (s < bufend) |
79072805 | 1902 | s++; |
fc36a67e | 1903 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1904 | continue; /* don't search dir with too-long name */ | |
1905 | if (len | |
fc36a67e | 1906 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1907 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1908 | && tokenbuf[len - 1] != '\\' |
79072805 | 1909 | #endif |
fc36a67e | 1910 | ) |
1911 | tokenbuf[len++] = '/'; | |
84902520 | 1912 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1913 | seen_dot = 1; |
fc36a67e | 1914 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1915 | #endif /* !VMS */ |
a38d6535 LW |
1916 | |
1917 | #ifdef SEARCH_EXTS | |
1918 | len = strlen(tokenbuf); | |
1919 | if (extidx > 0) /* reset after previous loop */ | |
1920 | extidx = 0; | |
1921 | do { | |
1922 | #endif | |
760ac839 | 1923 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1924 | retval = Stat(tokenbuf,&statbuf); |
1925 | #ifdef SEARCH_EXTS | |
1926 | } while ( retval < 0 /* not there */ | |
1927 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1928 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1929 | ); | |
1930 | #endif | |
1931 | if (retval < 0) | |
79072805 LW |
1932 | continue; |
1933 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1934 | && cando(S_IRUSR,TRUE,&statbuf) |
1935 | #ifndef DOSISH | |
1936 | && cando(S_IXUSR,TRUE,&statbuf) | |
1937 | #endif | |
1938 | ) | |
1939 | { | |
79072805 LW |
1940 | xfound = tokenbuf; /* bingo! */ |
1941 | break; | |
1942 | } | |
1943 | if (!xfailed) | |
a0d0e21e | 1944 | xfailed = savepv(tokenbuf); |
79072805 | 1945 | } |
2a92aaa0 GS |
1946 | #ifndef DOSISH |
1947 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1948 | #endif |
1949 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1950 | if (!xfound) |
84902520 | 1951 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1952 | (xfailed ? "execute" : "find"), |
1953 | (xfailed ? xfailed : scriptname), | |
1954 | (xfailed ? "" : " on PATH"), | |
1955 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1956 | if (xfailed) |
1957 | Safefree(xfailed); | |
1958 | scriptname = xfound; | |
1959 | } | |
1960 | ||
96436eeb | 1961 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1962 | char *s = scriptname + 8; | |
1963 | fdscript = atoi(s); | |
1964 | while (isDIGIT(*s)) | |
1965 | s++; | |
1966 | if (*s) | |
1967 | scriptname = s + 1; | |
1968 | } | |
1969 | else | |
1970 | fdscript = -1; | |
ab821d7f | 1971 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1972 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1973 | if (strEQ(origfilename,"-")) | |
1974 | scriptname = ""; | |
96436eeb | 1975 | if (fdscript >= 0) { |
a868473f | 1976 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 1977 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1978 | if (rsfp) |
1979 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1980 | #endif |
1981 | } | |
1982 | else if (preprocess) { | |
46fc3d4c | 1983 | char *cpp_cfg = CPPSTDIN; |
1984 | SV *cpp = NEWSV(0,0); | |
1985 | SV *cmd = NEWSV(0,0); | |
1986 | ||
1987 | if (strEQ(cpp_cfg, "cppstdin")) | |
1988 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1989 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1990 | |
79072805 | 1991 | sv_catpv(sv,"-I"); |
fed7345c | 1992 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1993 | |
79072805 | 1994 | #ifdef MSDOS |
46fc3d4c | 1995 | sv_setpvf(cmd, "\ |
79072805 LW |
1996 | sed %s -e \"/^[^#]/b\" \ |
1997 | -e \"/^#[ ]*include[ ]/b\" \ | |
1998 | -e \"/^#[ ]*define[ ]/b\" \ | |
1999 | -e \"/^#[ ]*if[ ]/b\" \ | |
2000 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2001 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2002 | -e \"/^#[ ]*else/b\" \ | |
2003 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2004 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2005 | -e \"/^#[ ]*endif/b\" \ | |
2006 | -e \"s/^#.*//\" \ | |
fc36a67e | 2007 | %s | %_ -C %_ %s", |
79072805 LW |
2008 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2009 | #else | |
46fc3d4c | 2010 | sv_setpvf(cmd, "\ |
79072805 LW |
2011 | %s %s -e '/^[^#]/b' \ |
2012 | -e '/^#[ ]*include[ ]/b' \ | |
2013 | -e '/^#[ ]*define[ ]/b' \ | |
2014 | -e '/^#[ ]*if[ ]/b' \ | |
2015 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2016 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2017 | -e '/^#[ ]*else/b' \ | |
2018 | -e '/^#[ ]*elif[ ]/b' \ | |
2019 | -e '/^#[ ]*undef[ ]/b' \ | |
2020 | -e '/^#[ ]*endif/b' \ | |
2021 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2022 | %s | %_ -C %_ %s", |
79072805 LW |
2023 | #ifdef LOC_SED |
2024 | LOC_SED, | |
2025 | #else | |
2026 | "sed", | |
2027 | #endif | |
2028 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2029 | #endif | |
46fc3d4c | 2030 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2031 | doextract = FALSE; |
2032 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2033 | if (euid != uid && !euid) { /* if running suidperl */ | |
2034 | #ifdef HAS_SETEUID | |
2035 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2036 | #else | |
2037 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2038 | (void)setreuid((Uid_t)-1, uid); |
2039 | #else | |
2040 | #ifdef HAS_SETRESUID | |
2041 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2042 | #else |
2043 | setuid(uid); | |
2044 | #endif | |
2045 | #endif | |
85e6fe83 | 2046 | #endif |
79072805 | 2047 | if (geteuid() != uid) |
463ee0b2 | 2048 | croak("Can't do seteuid!\n"); |
79072805 LW |
2049 | } |
2050 | #endif /* IAMSUID */ | |
3028581b | 2051 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2052 | SvREFCNT_dec(cmd); |
2053 | SvREFCNT_dec(cpp); | |
79072805 LW |
2054 | } |
2055 | else if (!*scriptname) { | |
bbce6d69 | 2056 | forbid_setid("program input from stdin"); |
760ac839 | 2057 | rsfp = PerlIO_stdin(); |
79072805 | 2058 | } |
96436eeb | 2059 | else { |
a868473f | 2060 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2061 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2062 | if (rsfp) |
2063 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2064 | #endif |
2065 | } | |
5dd60ef7 | 2066 | if (e_tmpname) { |
2067 | e_fp = rsfp; | |
2068 | } | |
7aa04957 | 2069 | if (!rsfp) { |
13281fa4 | 2070 | #ifdef DOSUID |
a687059c | 2071 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2072 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2073 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2074 | /* try again */ |
3028581b | 2075 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 2076 | croak("Can't do setuid\n"); |
13281fa4 LW |
2077 | } |
2078 | #endif | |
2079 | #endif | |
463ee0b2 | 2080 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2081 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2082 | } |
79072805 | 2083 | } |
8d063cd8 | 2084 | |
79072805 | 2085 | static void |
8ac85365 | 2086 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2087 | { |
96436eeb | 2088 | int which; |
2089 | ||
13281fa4 LW |
2090 | /* do we need to emulate setuid on scripts? */ |
2091 | ||
2092 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2093 | * in the kernel because of a security problem. Merely defining DOSUID | |
2094 | * in perl will not fix that problem, but if you have disabled setuid | |
2095 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2096 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2097 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2098 | * discovers that it has opened a setuid script, it calls suidperl with | |
2099 | * the same argv that it had. If suidperl finds that the script it has | |
2100 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2101 | * uid. We don't just make perl setuid root because that loses the | |
2102 | * effective uid we had before invoking perl, if it was different from the | |
2103 | * uid. | |
13281fa4 LW |
2104 | * |
2105 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2106 | * be defined in suidperl only. suidperl must be setuid root. The | |
2107 | * Configure script will set this up for you if you want it. | |
2108 | */ | |
a687059c | 2109 | |
13281fa4 | 2110 | #ifdef DOSUID |
ea0efc06 | 2111 | dTHR; |
6e72f9df | 2112 | char *s, *s2; |
a0d0e21e | 2113 | |
3028581b | 2114 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2115 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2116 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2117 | I32 len; |
13281fa4 | 2118 | |
a687059c | 2119 | #ifdef IAMSUID |
fe14fcc3 | 2120 | #ifndef HAS_SETREUID |
a687059c LW |
2121 | /* On this access check to make sure the directories are readable, |
2122 | * there is actually a small window that the user could use to make | |
2123 | * filename point to an accessible directory. So there is a faint | |
2124 | * chance that someone could execute a setuid script down in a | |
2125 | * non-accessible directory. I don't know what to do about that. | |
2126 | * But I don't think it's too important. The manual lies when | |
2127 | * it says access() is useful in setuid programs. | |
2128 | */ | |
3028581b | 2129 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2130 | croak("Permission denied"); |
a687059c LW |
2131 | #else |
2132 | /* If we can swap euid and uid, then we can determine access rights | |
2133 | * with a simple stat of the file, and then compare device and | |
2134 | * inode to make sure we did stat() on the same file we opened. | |
2135 | * Then we just have to make sure he or she can execute it. | |
2136 | */ | |
2137 | { | |
2138 | struct stat tmpstatbuf; | |
2139 | ||
85e6fe83 LW |
2140 | if ( |
2141 | #ifdef HAS_SETREUID | |
2142 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2143 | #else |
2144 | # if HAS_SETRESUID | |
85e6fe83 | 2145 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2146 | # endif |
85e6fe83 LW |
2147 | #endif |
2148 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2149 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2150 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2151 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2152 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2153 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2154 | (void)PerlIO_close(rsfp); |
3028581b | 2155 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2156 | PerlIO_printf(rsfp, |
ff0cee69 | 2157 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2158 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2159 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2160 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2161 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2162 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
3028581b | 2163 | (void)PerlProc_pclose(rsfp); |
a687059c | 2164 | } |
463ee0b2 | 2165 | croak("Permission denied\n"); |
a687059c | 2166 | } |
85e6fe83 LW |
2167 | if ( |
2168 | #ifdef HAS_SETREUID | |
2169 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2170 | #else |
2171 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2172 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2173 | # endif |
85e6fe83 LW |
2174 | #endif |
2175 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2176 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2177 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2178 | croak("Permission denied\n"); |
a687059c | 2179 | } |
fe14fcc3 | 2180 | #endif /* HAS_SETREUID */ |
a687059c LW |
2181 | #endif /* IAMSUID */ |
2182 | ||
27e2fb84 | 2183 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2184 | croak("Permission denied"); |
27e2fb84 | 2185 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2186 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2187 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2188 | curcop->cop_line++; |
760ac839 LW |
2189 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2190 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2191 | croak("No #! line"); |
760ac839 | 2192 | s = SvPV(linestr,na)+2; |
663a0e37 | 2193 | if (*s == ' ') s++; |
45d8adaa | 2194 | while (!isSPACE(*s)) s++; |
760ac839 | 2195 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2196 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2197 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2198 | croak("Not a perl script"); |
a687059c | 2199 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2200 | /* |
2201 | * #! arg must be what we saw above. They can invoke it by | |
2202 | * mentioning suidperl explicitly, but they may not add any strange | |
2203 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2204 | */ | |
2205 | len = strlen(validarg); | |
2206 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2207 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2208 | croak("Args must match #! line"); |
a687059c LW |
2209 | |
2210 | #ifndef IAMSUID | |
2211 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2212 | euid == statbuf.st_uid) | |
2213 | if (!do_undump) | |
463ee0b2 | 2214 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2215 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2216 | #endif /* IAMSUID */ | |
13281fa4 LW |
2217 | |
2218 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2219 | (void)PerlIO_close(rsfp); |
13281fa4 | 2220 | #ifndef IAMSUID |
46fc3d4c | 2221 | /* try again */ |
3028581b | 2222 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2223 | #endif |
463ee0b2 | 2224 | croak("Can't do setuid\n"); |
13281fa4 LW |
2225 | } |
2226 | ||
83025b21 | 2227 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2228 | #ifdef HAS_SETEGID |
a687059c LW |
2229 | (void)setegid(statbuf.st_gid); |
2230 | #else | |
fe14fcc3 | 2231 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2232 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2233 | #else | |
2234 | #ifdef HAS_SETRESGID | |
2235 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2236 | #else |
2237 | setgid(statbuf.st_gid); | |
2238 | #endif | |
2239 | #endif | |
85e6fe83 | 2240 | #endif |
83025b21 | 2241 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2242 | croak("Can't do setegid!\n"); |
83025b21 | 2243 | } |
a687059c LW |
2244 | if (statbuf.st_mode & S_ISUID) { |
2245 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2246 | #ifdef HAS_SETEUID |
a687059c LW |
2247 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2248 | #else | |
fe14fcc3 | 2249 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2250 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2251 | #else | |
2252 | #ifdef HAS_SETRESUID | |
2253 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2254 | #else |
2255 | setuid(statbuf.st_uid); | |
2256 | #endif | |
2257 | #endif | |
85e6fe83 | 2258 | #endif |
83025b21 | 2259 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2260 | croak("Can't do seteuid!\n"); |
a687059c | 2261 | } |
83025b21 | 2262 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2263 | #ifdef HAS_SETEUID |
85e6fe83 | 2264 | (void)seteuid((Uid_t)uid); |
a687059c | 2265 | #else |
fe14fcc3 | 2266 | #ifdef HAS_SETREUID |
85e6fe83 | 2267 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2268 | #else |
85e6fe83 LW |
2269 | #ifdef HAS_SETRESUID |
2270 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2271 | #else | |
2272 | setuid((Uid_t)uid); | |
2273 | #endif | |
a687059c LW |
2274 | #endif |
2275 | #endif | |
83025b21 | 2276 | if (geteuid() != uid) |
463ee0b2 | 2277 | croak("Can't do seteuid!\n"); |
83025b21 | 2278 | } |
748a9306 | 2279 | init_ids(); |
27e2fb84 | 2280 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2281 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2282 | } |
2283 | #ifdef IAMSUID | |
2284 | else if (preprocess) | |
463ee0b2 | 2285 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2286 | else if (fdscript >= 0) |
2287 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2288 | else |
463ee0b2 | 2289 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2290 | |
2291 | /* We absolutely must clear out any saved ids here, so we */ | |
2292 | /* exec the real perl, substituting fd script for scriptname. */ | |
2293 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2294 | PerlIO_rewind(rsfp); |
3028581b | 2295 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2296 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2297 | if (!origargv[which]) | |
2298 | croak("Permission denied"); | |
46fc3d4c | 2299 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2300 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2301 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2302 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2303 | #endif |
3028581b | 2304 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2305 | croak("Can't do setuid\n"); |
13281fa4 | 2306 | #endif /* IAMSUID */ |
a687059c | 2307 | #else /* !DOSUID */ |
a687059c LW |
2308 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2309 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2310 | dTHR; |
3028581b | 2311 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2312 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2313 | || | |
2314 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2315 | ) | |
2316 | if (!do_undump) | |
463ee0b2 | 2317 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2318 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2319 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2320 | /* not set-id, must be wrapped */ | |
a687059c | 2321 | } |
13281fa4 | 2322 | #endif /* DOSUID */ |
79072805 | 2323 | } |
13281fa4 | 2324 | |
79072805 | 2325 | static void |
8ac85365 | 2326 | find_beginning(void) |
79072805 | 2327 | { |
6e72f9df | 2328 | register char *s, *s2; |
33b78306 LW |
2329 | |
2330 | /* skip forward in input to the real script? */ | |
2331 | ||
bbce6d69 | 2332 | forbid_setid("-x"); |
33b78306 | 2333 | while (doextract) { |
79072805 | 2334 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2335 | croak("No Perl script found in input\n"); |
6e72f9df | 2336 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2337 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2338 | doextract = FALSE; |
6e72f9df | 2339 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2340 | s2 = s; | |
2341 | while (*s == ' ' || *s == '\t') s++; | |
2342 | if (*s++ == '-') { | |
2343 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2344 | if (strnEQ(s2-4,"perl",4)) | |
2345 | /*SUPPRESS 530*/ | |
2346 | while (s = moreswitches(s)) ; | |
33b78306 | 2347 | } |
3028581b | 2348 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2349 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2350 | } |
2351 | } | |
2352 | } | |
2353 | ||
79072805 | 2354 | static void |
8ac85365 | 2355 | init_ids(void) |
352d5a3a | 2356 | { |
748a9306 LW |
2357 | uid = (int)getuid(); |
2358 | euid = (int)geteuid(); | |
2359 | gid = (int)getgid(); | |
2360 | egid = (int)getegid(); | |
2361 | #ifdef VMS | |
2362 | uid |= gid << 16; | |
2363 | euid |= egid << 16; | |
2364 | #endif | |
4633a7c4 | 2365 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2366 | } |
79072805 | 2367 | |
748a9306 | 2368 | static void |
8ac85365 | 2369 | forbid_setid(char *s) |
bbce6d69 | 2370 | { |
2371 | if (euid != uid) | |
2372 | croak("No %s allowed while running setuid", s); | |
2373 | if (egid != gid) | |
2374 | croak("No %s allowed while running setgid", s); | |
2375 | } | |
2376 | ||
2377 | static void | |
8ac85365 | 2378 | init_debugger(void) |
748a9306 | 2379 | { |
11343788 | 2380 | dTHR; |
79072805 | 2381 | curstash = debstash; |
748a9306 | 2382 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2383 | AvREAL_off(dbargs); |
a0d0e21e LW |
2384 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2385 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2386 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2387 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2388 | sv_setiv(DBsingle, 0); |
748a9306 | 2389 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2390 | sv_setiv(DBtrace, 0); |
748a9306 | 2391 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2392 | sv_setiv(DBsignal, 0); |
79072805 | 2393 | curstash = defstash; |
352d5a3a LW |
2394 | } |
2395 | ||
11343788 | 2396 | void |
8ac85365 | 2397 | init_stacks(ARGSproto) |
79072805 | 2398 | { |
6e72f9df | 2399 | curstack = newAV(); |
5f05dabc | 2400 | mainstack = curstack; /* remember in case we switch stacks */ |
2401 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2402 | av_extend(curstack,127); |
79072805 | 2403 | |
6e72f9df | 2404 | stack_base = AvARRAY(curstack); |
79072805 | 2405 | stack_sp = stack_base; |
8990e307 | 2406 | stack_max = stack_base + 127; |
79072805 | 2407 | |
c09156bb MB |
2408 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2409 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); | |
8990e307 | 2410 | cxstack_ix = -1; |
8990e307 LW |
2411 | |
2412 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2413 | tmps_floor = -1; |
8990e307 LW |
2414 | tmps_ix = -1; |
2415 | tmps_max = 128; | |
2416 | ||
5f05dabc | 2417 | /* |
2418 | * The following stacks almost certainly should be per-interpreter, | |
2419 | * but for now they're not. XXX | |
2420 | */ | |
2421 | ||
6e72f9df | 2422 | if (markstack) { |
2423 | markstack_ptr = markstack; | |
2424 | } else { | |
2425 | New(54,markstack,64,I32); | |
2426 | markstack_ptr = markstack; | |
2427 | markstack_max = markstack + 64; | |
2428 | } | |
79072805 | 2429 | |
6e72f9df | 2430 | if (scopestack) { |
2431 | scopestack_ix = 0; | |
2432 | } else { | |
2433 | New(54,scopestack,32,I32); | |
2434 | scopestack_ix = 0; | |
2435 | scopestack_max = 32; | |
2436 | } | |
79072805 | 2437 | |
6e72f9df | 2438 | if (savestack) { |
2439 | savestack_ix = 0; | |
2440 | } else { | |
2441 | New(54,savestack,128,ANY); | |
2442 | savestack_ix = 0; | |
2443 | savestack_max = 128; | |
2444 | } | |
79072805 | 2445 | |
6e72f9df | 2446 | if (retstack) { |
2447 | retstack_ix = 0; | |
2448 | } else { | |
2449 | New(54,retstack,16,OP*); | |
2450 | retstack_ix = 0; | |
2451 | retstack_max = 16; | |
5f05dabc | 2452 | } |
378cc40b | 2453 | } |
33b78306 | 2454 | |
6e72f9df | 2455 | static void |
8ac85365 | 2456 | nuke_stacks(void) |
6e72f9df | 2457 | { |
e858de61 | 2458 | dTHR; |
6e72f9df | 2459 | Safefree(cxstack); |
2460 | Safefree(tmps_stack); | |
5f05dabc | 2461 | DEBUG( { |
2462 | Safefree(debname); | |
2463 | Safefree(debdelim); | |
2464 | } ) | |
378cc40b | 2465 | } |
33b78306 | 2466 | |
760ac839 | 2467 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2468 | |
79072805 | 2469 | static void |
8ac85365 | 2470 | init_lexer(void) |
8990e307 | 2471 | { |
a0d0e21e | 2472 | tmpfp = rsfp; |
90248788 | 2473 | rsfp = Nullfp; |
8990e307 LW |
2474 | lex_start(linestr); |
2475 | rsfp = tmpfp; | |
2476 | subname = newSVpv("main",4); | |
2477 | } | |
2478 | ||
2479 | static void | |
8ac85365 | 2480 | init_predump_symbols(void) |
45d8adaa | 2481 | { |
11343788 | 2482 | dTHR; |
93a17b20 | 2483 | GV *tmpgv; |
a0d0e21e | 2484 | GV *othergv; |
79072805 | 2485 | |
e1c148c2 | 2486 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2487 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2488 | GvMULTI_on(stdingv); |
760ac839 | 2489 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2490 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2491 | GvMULTI_on(tmpgv); |
a0d0e21e | 2492 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2493 | |
85e6fe83 | 2494 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2495 | GvMULTI_on(tmpgv); |
760ac839 | 2496 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2497 | setdefout(tmpgv); |
adbc6bb1 | 2498 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2499 | GvMULTI_on(tmpgv); |
a0d0e21e | 2500 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2501 | |
a0d0e21e | 2502 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2503 | GvMULTI_on(othergv); |
760ac839 | 2504 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2505 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2506 | GvMULTI_on(tmpgv); |
a0d0e21e | 2507 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2508 | |
2509 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2510 | |
6e72f9df | 2511 | if (!osname) |
2512 | osname = savepv(OSNAME); | |
79072805 | 2513 | } |
33b78306 | 2514 | |
79072805 | 2515 | static void |
8ac85365 | 2516 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2517 | { |
a863c7d1 | 2518 | dTHR; |
79072805 LW |
2519 | char *s; |
2520 | SV *sv; | |
2521 | GV* tmpgv; | |
fe14fcc3 | 2522 | |
79072805 LW |
2523 | argc--,argv++; /* skip name of script */ |
2524 | if (doswitches) { | |
2525 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2526 | if (!argv[0][1]) | |
2527 | break; | |
2528 | if (argv[0][1] == '-') { | |
2529 | argc--,argv++; | |
2530 | break; | |
2531 | } | |
93a17b20 | 2532 | if (s = strchr(argv[0], '=')) { |
79072805 | 2533 | *s++ = '\0'; |
85e6fe83 | 2534 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2535 | } |
2536 | else | |
85e6fe83 | 2537 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2538 | } |
79072805 LW |
2539 | } |
2540 | toptarget = NEWSV(0,0); | |
2541 | sv_upgrade(toptarget, SVt_PVFM); | |
2542 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2543 | bodytarget = NEWSV(0,0); |
79072805 LW |
2544 | sv_upgrade(bodytarget, SVt_PVFM); |
2545 | sv_setpvn(bodytarget, "", 0); | |
2546 | formtarget = bodytarget; | |
2547 | ||
bbce6d69 | 2548 | TAINT; |
85e6fe83 | 2549 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2550 | sv_setpv(GvSV(tmpgv),origfilename); |
2551 | magicname("0", "0", 1); | |
2552 | } | |
85e6fe83 | 2553 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2554 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2555 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2556 | GvMULTI_on(argvgv); |
79072805 LW |
2557 | (void)gv_AVadd(argvgv); |
2558 | av_clear(GvAVn(argvgv)); | |
2559 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2560 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2561 | } |
2562 | } | |
85e6fe83 | 2563 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2564 | HV *hv; |
a5f75d66 | 2565 | GvMULTI_on(envgv); |
79072805 | 2566 | hv = GvHVn(envgv); |
5aabfad6 | 2567 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2568 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2569 | /* Note that if the supplied env parameter is actually a copy |
2570 | of the global environ then it may now point to free'd memory | |
2571 | if the environment has been modified since. To avoid this | |
2572 | problem we treat env==NULL as meaning 'use the default' | |
2573 | */ | |
2574 | if (!env) | |
2575 | env = environ; | |
5aabfad6 | 2576 | if (env != environ) |
79072805 LW |
2577 | environ[0] = Nullch; |
2578 | for (; *env; env++) { | |
93a17b20 | 2579 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2580 | continue; |
2581 | *s++ = '\0'; | |
39e571d4 | 2582 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2583 | (void)strupr(*env); |
2584 | #endif | |
79072805 LW |
2585 | sv = newSVpv(s--,0); |
2586 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2587 | *s = '='; | |
3e3baf6d TB |
2588 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2589 | /* Sins of the RTL. See note in my_setenv(). */ | |
5fd9e9a4 | 2590 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2591 | #endif |
fe14fcc3 | 2592 | } |
4550b24a | 2593 | #endif |
2594 | #ifdef DYNAMIC_ENV_FETCH | |
2595 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2596 | #endif | |
79072805 | 2597 | } |
bbce6d69 | 2598 | TAINT_NOT; |
85e6fe83 | 2599 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2600 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2601 | } |
34de22dd | 2602 | |
79072805 | 2603 | static void |
8ac85365 | 2604 | init_perllib(void) |
34de22dd | 2605 | { |
85e6fe83 LW |
2606 | char *s; |
2607 | if (!tainting) { | |
552a7a9b | 2608 | #ifndef VMS |
5fd9e9a4 | 2609 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2610 | if (s) |
774d564b | 2611 | incpush(s, TRUE); |
85e6fe83 | 2612 | else |
5fd9e9a4 | 2613 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2614 | #else /* VMS */ |
2615 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2616 | * "natural" VMS idiom for a Unix path string. We allow each | |
2617 | * element to be a set of |-separated directories for compatibility. | |
2618 | */ | |
2619 | char buf[256]; | |
2620 | int idx = 0; | |
2621 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2622 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2623 | else |
774d564b | 2624 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2625 | #endif /* VMS */ |
85e6fe83 | 2626 | } |
34de22dd | 2627 | |
c90c0ff4 | 2628 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2629 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2630 | */ |
4633a7c4 | 2631 | #ifdef APPLLIB_EXP |
774d564b | 2632 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2633 | #endif |
4633a7c4 | 2634 | |
fed7345c | 2635 | #ifdef ARCHLIB_EXP |
774d564b | 2636 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2637 | #endif |
fed7345c AD |
2638 | #ifndef PRIVLIB_EXP |
2639 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2640 | #endif |
774d564b | 2641 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2642 | |
2643 | #ifdef SITEARCH_EXP | |
774d564b | 2644 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2645 | #endif |
2646 | #ifdef SITELIB_EXP | |
774d564b | 2647 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2648 | #endif |
4633a7c4 | 2649 | if (!tainting) |
774d564b | 2650 | incpush(".", FALSE); |
2651 | } | |
2652 | ||
2653 | #if defined(DOSISH) | |
2654 | # define PERLLIB_SEP ';' | |
2655 | #else | |
2656 | # if defined(VMS) | |
2657 | # define PERLLIB_SEP '|' | |
2658 | # else | |
2659 | # define PERLLIB_SEP ':' | |
2660 | # endif | |
2661 | #endif | |
2662 | #ifndef PERLLIB_MANGLE | |
2663 | # define PERLLIB_MANGLE(s,n) (s) | |
2664 | #endif | |
2665 | ||
2666 | static void | |
8ac85365 | 2667 | incpush(char *p, int addsubdirs) |
774d564b | 2668 | { |
2669 | SV *subdir = Nullsv; | |
2670 | static char *archpat_auto; | |
2671 | ||
2672 | if (!p) | |
2673 | return; | |
2674 | ||
2675 | if (addsubdirs) { | |
8c52afec | 2676 | subdir = NEWSV(55,0); |
774d564b | 2677 | if (!archpat_auto) { |
2678 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2679 | + sizeof("//auto")); | |
2680 | New(55, archpat_auto, len, char); | |
2681 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2682 | #ifdef VMS |
2683 | for (len = sizeof(ARCHNAME) + 2; | |
2684 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2685 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2686 | #endif | |
774d564b | 2687 | } |
2688 | } | |
2689 | ||
2690 | /* Break at all separators */ | |
2691 | while (p && *p) { | |
8c52afec | 2692 | SV *libdir = NEWSV(55,0); |
774d564b | 2693 | char *s; |
2694 | ||
2695 | /* skip any consecutive separators */ | |
2696 | while ( *p == PERLLIB_SEP ) { | |
2697 | /* Uncomment the next line for PATH semantics */ | |
2698 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2699 | p++; | |
2700 | } | |
2701 | ||
2702 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2703 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2704 | (STRLEN)(s - p)); | |
2705 | p = s + 1; | |
2706 | } | |
2707 | else { | |
2708 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2709 | p = Nullch; /* break out */ | |
2710 | } | |
2711 | ||
2712 | /* | |
2713 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2714 | * archname-specific sub-directories. | |
2715 | */ | |
2716 | if (addsubdirs) { | |
2717 | struct stat tmpstatbuf; | |
aa689395 | 2718 | #ifdef VMS |
2719 | char *unix; | |
2720 | STRLEN len; | |
774d564b | 2721 | |
aa689395 | 2722 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2723 | len = strlen(unix); | |
2724 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2725 | sv_usepvn(libdir,unix,len); | |
2726 | } | |
2727 | else | |
2728 | PerlIO_printf(PerlIO_stderr(), | |
2729 | "Failed to unixify @INC element \"%s\"\n", | |
2730 | SvPV(libdir,na)); | |
2731 | #endif | |
4fdae800 | 2732 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2733 | sv_setsv(subdir, libdir); |
2734 | sv_catpv(subdir, archpat_auto); | |
2735 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2736 | S_ISDIR(tmpstatbuf.st_mode)) | |
2737 | av_push(GvAVn(incgv), | |
2738 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2739 | ||
4fdae800 | 2740 | /* .../archname if -d .../archname/auto */ |
774d564b | 2741 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2742 | strlen(patchlevel) + 1, "", 0); | |
2743 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2744 | S_ISDIR(tmpstatbuf.st_mode)) | |
2745 | av_push(GvAVn(incgv), | |
2746 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2747 | } | |
2748 | ||
2749 | /* finally push this lib directory on the end of @INC */ | |
2750 | av_push(GvAVn(incgv), libdir); | |
2751 | } | |
2752 | ||
2753 | SvREFCNT_dec(subdir); | |
34de22dd | 2754 | } |
93a17b20 | 2755 | |
199100c8 | 2756 | #ifdef USE_THREADS |
52e1cb5e | 2757 | static struct perl_thread * |
199100c8 MB |
2758 | init_main_thread() |
2759 | { | |
52e1cb5e | 2760 | struct perl_thread *thr; |
199100c8 MB |
2761 | XPV *xpv; |
2762 | ||
52e1cb5e | 2763 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2764 | curcop = &compiling; |
2765 | thr->cvcache = newHV(); | |
54b9620d | 2766 | thr->threadsv = newAV(); |
940cb80d | 2767 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2768 | thr->specific = newAV(); |
38a03e6e | 2769 | thr->errhv = newHV(); |
199100c8 MB |
2770 | thr->flags = THRf_R_JOINABLE; |
2771 | MUTEX_INIT(&thr->mutex); | |
2772 | /* Handcraft thrsv similarly to mess_sv */ | |
2773 | New(53, thrsv, 1, SV); | |
2774 | Newz(53, xpv, 1, XPV); | |
2775 | SvFLAGS(thrsv) = SVt_PV; | |
2776 | SvANY(thrsv) = (void*)xpv; | |
2777 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2778 | SvPVX(thrsv) = (char*)thr; | |
2779 | SvCUR_set(thrsv, sizeof(thr)); | |
2780 | SvLEN_set(thrsv, sizeof(thr)); | |
2781 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2782 | thr->oursv = thrsv; | |
2783 | curcop = &compiling; | |
2784 | chopset = " \n-"; | |
2785 | ||
2786 | MUTEX_LOCK(&threads_mutex); | |
2787 | nthreads++; | |
2788 | thr->tid = 0; | |
2789 | thr->next = thr; | |
2790 | thr->prev = thr; | |
2791 | MUTEX_UNLOCK(&threads_mutex); | |
2792 | ||
4b026b9e GS |
2793 | #ifdef HAVE_THREAD_INTERN |
2794 | init_thread_intern(thr); | |
235db74f GS |
2795 | #endif |
2796 | ||
2797 | #ifdef SET_THREAD_SELF | |
2798 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2799 | #else |
2800 | thr->self = pthread_self(); | |
235db74f | 2801 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2802 | SET_THR(thr); |
2803 | ||
2804 | /* | |
2805 | * These must come after the SET_THR because sv_setpvn does | |
2806 | * SvTAINT and the taint fields require dTHR. | |
2807 | */ | |
2808 | toptarget = NEWSV(0,0); | |
2809 | sv_upgrade(toptarget, SVt_PVFM); | |
2810 | sv_setpvn(toptarget, "", 0); | |
2811 | bodytarget = NEWSV(0,0); | |
2812 | sv_upgrade(bodytarget, SVt_PVFM); | |
2813 | sv_setpvn(bodytarget, "", 0); | |
2814 | formtarget = bodytarget; | |
2faa37cc | 2815 | thr->errsv = newSVpv("", 0); |
78857c3c | 2816 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2817 | return thr; |
2818 | } | |
2819 | #endif /* USE_THREADS */ | |
2820 | ||
93a17b20 | 2821 | void |
8ac85365 | 2822 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2823 | { |
11343788 | 2824 | dTHR; |
a0d0e21e | 2825 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2826 | STRLEN len; |
2827 | dJMPENV; | |
2828 | int ret; | |
93a17b20 | 2829 | |
93965878 | 2830 | while (AvFILL(list) >= 0) { |
8990e307 | 2831 | CV *cv = (CV*)av_shift(list); |
93a17b20 | 2832 | |
8990e307 | 2833 | SAVEFREESV(cv); |
a0d0e21e | 2834 | |
22921e25 CS |
2835 | JMPENV_PUSH(ret); |
2836 | switch (ret) { | |
748a9306 | 2837 | case 0: { |
38a03e6e | 2838 | SV* atsv = ERRSV; |
748a9306 LW |
2839 | PUSHMARK(stack_sp); |
2840 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2841 | (void)SvPV(atsv, len); |
748a9306 | 2842 | if (len) { |
54310121 | 2843 | JMPENV_POP; |
748a9306 LW |
2844 | curcop = &compiling; |
2845 | curcop->cop_line = oldline; | |
2846 | if (list == beginav) | |
12f917ad | 2847 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2848 | else |
12f917ad | 2849 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2850 | while (scopestack_ix > oldscope) |
2851 | LEAVE; | |
12f917ad | 2852 | croak("%s", SvPVX(atsv)); |
748a9306 | 2853 | } |
a0d0e21e | 2854 | } |
85e6fe83 LW |
2855 | break; |
2856 | case 1: | |
f86702cc | 2857 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2858 | /* FALL THROUGH */ |
2859 | case 2: | |
2860 | /* my_exit() was called */ | |
2ae324a7 | 2861 | while (scopestack_ix > oldscope) |
2862 | LEAVE; | |
84902520 | 2863 | FREETMPS; |
85e6fe83 LW |
2864 | curstash = defstash; |
2865 | if (endav) | |
68dc0745 | 2866 | call_list(oldscope, endav); |
54310121 | 2867 | JMPENV_POP; |
a0d0e21e LW |
2868 | curcop = &compiling; |
2869 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2870 | if (statusvalue) { |
2871 | if (list == beginav) | |
a0d0e21e | 2872 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2873 | else |
a0d0e21e | 2874 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2875 | } |
f86702cc | 2876 | my_exit_jump(); |
85e6fe83 | 2877 | /* NOTREACHED */ |
85e6fe83 LW |
2878 | case 3: |
2879 | if (!restartop) { | |
760ac839 | 2880 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2881 | FREETMPS; |
85e6fe83 LW |
2882 | break; |
2883 | } | |
54310121 | 2884 | JMPENV_POP; |
a0d0e21e LW |
2885 | curcop = &compiling; |
2886 | curcop->cop_line = oldline; | |
54310121 | 2887 | JMPENV_JUMP(3); |
8990e307 | 2888 | } |
54310121 | 2889 | JMPENV_POP; |
93a17b20 | 2890 | } |
93a17b20 | 2891 | } |
93a17b20 | 2892 | |
f86702cc | 2893 | void |
8ac85365 | 2894 | my_exit(U32 status) |
f86702cc | 2895 | { |
5dc0d613 MB |
2896 | dTHR; |
2897 | ||
2898 | #ifdef USE_THREADS | |
a863c7d1 MB |
2899 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2900 | thr, (unsigned long) status)); | |
5dc0d613 | 2901 | #endif /* USE_THREADS */ |
f86702cc | 2902 | switch (status) { |
2903 | case 0: | |
2904 | STATUS_ALL_SUCCESS; | |
2905 | break; | |
2906 | case 1: | |
2907 | STATUS_ALL_FAILURE; | |
2908 | break; | |
2909 | default: | |
2910 | STATUS_NATIVE_SET(status); | |
2911 | break; | |
2912 | } | |
2913 | my_exit_jump(); | |
2914 | } | |
2915 | ||
2916 | void | |
8ac85365 | 2917 | my_failure_exit(void) |
f86702cc | 2918 | { |
2919 | #ifdef VMS | |
2920 | if (vaxc$errno & 1) { | |
4fdae800 | 2921 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2922 | STATUS_NATIVE_SET(44); | |
f86702cc | 2923 | } |
2924 | else { | |
ff0cee69 | 2925 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2926 | STATUS_NATIVE_SET(44); |
f86702cc | 2927 | else |
4fdae800 | 2928 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2929 | } |
2930 | #else | |
2931 | if (errno & 255) | |
2932 | STATUS_POSIX_SET(errno); | |
2933 | else if (STATUS_POSIX == 0) | |
2934 | STATUS_POSIX_SET(255); | |
2935 | #endif | |
2936 | my_exit_jump(); | |
93a17b20 LW |
2937 | } |
2938 | ||
f86702cc | 2939 | static void |
8ac85365 | 2940 | my_exit_jump(void) |
f86702cc | 2941 | { |
e858de61 | 2942 | dTHR; |
c09156bb | 2943 | register PERL_CONTEXT *cx; |
f86702cc | 2944 | I32 gimme; |
2945 | SV **newsp; | |
2946 | ||
2947 | if (e_tmpname) { | |
2948 | if (e_fp) { | |
2949 | PerlIO_close(e_fp); | |
2950 | e_fp = Nullfp; | |
2951 | } | |
2952 | (void)UNLINK(e_tmpname); | |
2953 | Safefree(e_tmpname); | |
2954 | e_tmpname = Nullch; | |
2955 | } | |
2956 | ||
2957 | if (cxstack_ix >= 0) { | |
2958 | if (cxstack_ix > 0) | |
2959 | dounwind(0); | |
2960 | POPBLOCK(cx,curpm); | |
2961 | LEAVE; | |
2962 | } | |
ff0cee69 | 2963 | |
54310121 | 2964 | JMPENV_JUMP(2); |
f86702cc | 2965 | } |
4e35701f | 2966 | |
aeea060c | 2967 | |
22239a37 | 2968 |