Commit | Line | Data |
a0d0e21e |
1 | /* perl.c |
2 | * |
a411490c |
3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c |
4 | * |
352d5a3a |
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 |
8 | */ |
9 | |
a0d0e21e |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo |
12 | */ |
45d8adaa |
13 | |
378cc40b |
14 | #include "EXTERN.h" |
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 |
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 |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID |
31 | #define DOSUID |
32 | #endif |
33 | #endif |
378cc40b |
34 | |
a687059c |
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 |
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 |
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 |
93 | return sv_interp; |
94 | } |
95 | |
96 | void |
8ac85365 |
97 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 |
98 | { |
a863c7d1 |
99 | #ifdef USE_THREADS |
100 | int i; |
101 | #ifndef FAKE_THREADS |
52e1cb5e |
102 | struct perl_thread *thr; |
a863c7d1 |
103 | #endif /* FAKE_THREADS */ |
104 | #endif /* USE_THREADS */ |
11343788 |
105 | |
79072805 |
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 |
118 | #ifdef ALLOC_THREAD_KEY |
119 | ALLOC_THREAD_KEY; |
120 | #else |
a863c7d1 |
121 | if (pthread_key_create(&thr_key, 0)) |
122 | croak("panic: pthread_key_create"); |
d55594ae |
123 | #endif |
c116a00c |
124 | MUTEX_INIT(&sv_mutex); |
a863c7d1 |
125 | /* |
126 | * Safe to use basic SV functions from now on (though |
127 | * not things like mortals or tainting yet). |
128 | */ |
c116a00c |
129 | MUTEX_INIT(&eval_mutex); |
130 | COND_INIT(&eval_cond); |
33f46ff6 |
131 | MUTEX_INIT(&threads_mutex); |
c116a00c |
132 | COND_INIT(&nthreads_cond); |
dce16143 |
133 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
134 | MUTEX_INIT(&svref_mutex); |
135 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 |
136 | |
199100c8 |
137 | thr = init_main_thread(); |
11343788 |
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 |
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 |
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 |
203 | PerlIO_init(); /* Hook to IO system */ |
204 | |
79072805 |
205 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 |
206 | |
11343788 |
207 | init_stacks(ARGS); |
208 | DEBUG( { |
209 | New(51,debname,128,char); |
210 | New(52,debdelim,128,char); |
211 | } ) |
212 | |
8990e307 |
213 | ENTER; |
79072805 |
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 |
227 | if (!(curinterp = sv_interp)) |
228 | return; |
748a9306 |
229 | |
11343788 |
230 | #ifdef USE_THREADS |
0f15f207 |
231 | #ifndef FAKE_THREADS |
8023c3ce |
232 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
233 | retry_cleanup: |
33f46ff6 |
234 | MUTEX_LOCK(&threads_mutex); |
235 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
236 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 |
237 | nthreads - 1)); |
238 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 |
239 | MUTEX_LOCK(&t->mutex); |
240 | switch (ThrSTATE(t)) { |
241 | AV *av; |
c7848ba1 |
242 | case THRf_ZOMBIE: |
243 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
244 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 |
245 | ThrSETSTATE(t, THRf_DEAD); |
246 | MUTEX_UNLOCK(&t->mutex); |
247 | nthreads--; |
8023c3ce |
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 |
257 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
258 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce |
259 | goto retry_cleanup; |
c7848ba1 |
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 |
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 |
280 | } |
281 | } |
8023c3ce |
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 |
285 | while (nthreads > 1) |
286 | { |
33f46ff6 |
287 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
288 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 |
289 | nthreads - 1)); |
290 | COND_WAIT(&nthreads_cond, &threads_mutex); |
11343788 |
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 |
298 | #endif /* USE_THREADS */ |
299 | |
748a9306 |
300 | destruct_level = perl_destruct_level; |
4633a7c4 |
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 |
309 | } |
310 | #endif |
311 | |
8990e307 |
312 | LEAVE; |
a0d0e21e |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
517 | |
518 | DEBUG_P(debprofdump()); |
11343788 |
519 | #ifdef USE_THREADS |
520 | MUTEX_DESTROY(&sv_mutex); |
11343788 |
521 | MUTEX_DESTROY(&eval_mutex); |
c116a00c |
522 | COND_DESTROY(&eval_cond); |
fc36a67e |
523 | |
8023c3ce |
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 |
541 | } |
542 | |
543 | void |
8ac85365 |
544 | perl_free(PerlInterpreter *sv_interp) |
79072805 |
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; |
e5c9fcd0 |
562 | int e_tmpfd = -1; |
54310121 |
563 | dJMPENV; |
22921e25 |
564 | int ret; |
8d063cd8 |
565 | |
a687059c |
566 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
567 | #ifdef IAMSUID |
568 | #undef IAMSUID |
463ee0b2 |
569 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c |
570 | setuid perl scripts securely.\n"); |
571 | #endif |
572 | #endif |
573 | |
79072805 |
574 | if (!(curinterp = sv_interp)) |
575 | return 255; |
576 | |
6e72f9df |
577 | #if defined(NeXT) && defined(__DYNAMIC__) |
578 | _dyld_lookup_and_bind |
579 | ("__environ", (unsigned long *) &environ_pointer, NULL); |
580 | #endif /* environ */ |
581 | |
ac58e20f |
582 | origargv = argv; |
583 | origargc = argc; |
a0d0e21e |
584 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 |
585 | origenviron = environ; |
a0d0e21e |
586 | #endif |
ab821d7f |
587 | e_tmpname = Nullch; |
a0d0e21e |
588 | |
589 | if (do_undump) { |
590 | |
591 | /* Come here if running an undumped a.out. */ |
592 | |
593 | origfilename = savepv(argv[0]); |
594 | do_undump = FALSE; |
595 | cxstack_ix = -1; /* start label stack again */ |
748a9306 |
596 | init_ids(); |
a0d0e21e |
597 | init_postdump_symbols(argc,argv,env); |
598 | return 0; |
599 | } |
600 | |
ff0cee69 |
601 | if (main_root) { |
602 | curpad = AvARRAY(comppad); |
a0d0e21e |
603 | op_free(main_root); |
ff0cee69 |
604 | main_root = Nullop; |
605 | } |
606 | main_start = Nullop; |
607 | SvREFCNT_dec(main_cv); |
608 | main_cv = Nullcv; |
79072805 |
609 | |
f86702cc |
610 | time(&basetime); |
2ae324a7 |
611 | oldscope = scopestack_ix; |
f86702cc |
612 | |
22921e25 |
613 | JMPENV_PUSH(ret); |
614 | switch (ret) { |
79072805 |
615 | case 1: |
f86702cc |
616 | STATUS_ALL_FAILURE; |
617 | /* FALL THROUGH */ |
79072805 |
618 | case 2: |
f86702cc |
619 | /* my_exit() was called */ |
2ae324a7 |
620 | while (scopestack_ix > oldscope) |
621 | LEAVE; |
84902520 |
622 | FREETMPS; |
8990e307 |
623 | curstash = defstash; |
624 | if (endav) |
68dc0745 |
625 | call_list(oldscope, endav); |
54310121 |
626 | JMPENV_POP; |
f86702cc |
627 | return STATUS_NATIVE_EXPORT; |
79072805 |
628 | case 3: |
54310121 |
629 | JMPENV_POP; |
760ac839 |
630 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 |
631 | return 1; |
79072805 |
632 | } |
633 | |
79072805 |
634 | sv_setpvn(linestr,"",0); |
635 | sv = newSVpv("",0); /* first used for -I flags */ |
8990e307 |
636 | SAVEFREESV(sv); |
79072805 |
637 | init_main_stash(); |
54310121 |
638 | |
33b78306 |
639 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 |
640 | if (argv[0][0] != '-' || !argv[0][1]) |
641 | break; |
13281fa4 |
642 | #ifdef DOSUID |
643 | if (*validarg) |
644 | validarg = " PHOOEY "; |
645 | else |
646 | validarg = argv[0]; |
647 | #endif |
648 | s = argv[0]+1; |
8d063cd8 |
649 | reswitch: |
13281fa4 |
650 | switch (*s) { |
27e2fb84 |
651 | case '0': |
2304df62 |
652 | case 'F': |
378cc40b |
653 | case 'a': |
33b78306 |
654 | case 'c': |
a687059c |
655 | case 'd': |
8d063cd8 |
656 | case 'D': |
4633a7c4 |
657 | case 'h': |
33b78306 |
658 | case 'i': |
fe14fcc3 |
659 | case 'l': |
1a30305b |
660 | case 'M': |
661 | case 'm': |
33b78306 |
662 | case 'n': |
663 | case 'p': |
79072805 |
664 | case 's': |
33b78306 |
665 | case 'u': |
666 | case 'U': |
667 | case 'v': |
668 | case 'w': |
669 | if (s = moreswitches(s)) |
670 | goto reswitch; |
8d063cd8 |
671 | break; |
33b78306 |
672 | |
f86702cc |
673 | case 'T': |
674 | tainting = TRUE; |
675 | s++; |
676 | goto reswitch; |
677 | |
8d063cd8 |
678 | case 'e': |
a687059c |
679 | if (euid != uid || egid != gid) |
463ee0b2 |
680 | croak("No -e allowed in setuid scripts"); |
8d063cd8 |
681 | if (!e_fp) { |
a0d0e21e |
682 | e_tmpname = savepv(TMPPATH); |
e5c9fcd0 |
683 | #ifdef HAS_MKSTEMP |
684 | e_tmpfd = PerlLIO_mkstemp(e_tmpname); |
685 | |
686 | if (e_tmpfd < 0) |
687 | croak("Can't mkstemp() temporary file \"%s\"", e_tmpname); |
688 | e_fp = PerlIO_fdopen(e_tmpfd,"w"); |
689 | #else /* use mktemp() */ |
3028581b |
690 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 |
691 | if (!*e_tmpname) |
e5c9fcd0 |
692 | croak("Can't mktemp() temporary file \"%s\"", e_tmpname); |
760ac839 |
693 | e_fp = PerlIO_open(e_tmpname,"w"); |
e5c9fcd0 |
694 | #endif /* HAS_MKSTEMP */ |
695 | if (!e_fp) |
696 | croak("Cannot open temporary file \"%s\"", e_tmpname); |
8d063cd8 |
697 | } |
552a7a9b |
698 | if (*++s) |
699 | PerlIO_puts(e_fp,s); |
700 | else if (argv[1]) { |
760ac839 |
701 | PerlIO_puts(e_fp,argv[1]); |
33b78306 |
702 | argc--,argv++; |
703 | } |
552a7a9b |
704 | else |
705 | croak("No code specified for -e"); |
760ac839 |
706 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 |
707 | break; |
fb73857a |
708 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 |
709 | forbid_setid("-I"); |
fb73857a |
710 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 |
711 | argc--,argv++; |
8d063cd8 |
712 | } |
fb73857a |
713 | while (s && isSPACE(*s)) |
714 | ++s; |
715 | if (s && *s) { |
716 | char *e, *p; |
717 | for (e = s; *e && !isSPACE(*e); e++) ; |
718 | p = savepvn(s, e-s); |
719 | incpush(p, TRUE); |
720 | sv_catpv(sv,"-I"); |
721 | sv_catpv(sv,p); |
722 | sv_catpv(sv," "); |
723 | Safefree(p); |
724 | } /* XXX else croak? */ |
8d063cd8 |
725 | break; |
8d063cd8 |
726 | case 'P': |
bbce6d69 |
727 | forbid_setid("-P"); |
8d063cd8 |
728 | preprocess = TRUE; |
13281fa4 |
729 | s++; |
8d063cd8 |
730 | goto reswitch; |
378cc40b |
731 | case 'S': |
bbce6d69 |
732 | forbid_setid("-S"); |
378cc40b |
733 | dosearch = TRUE; |
13281fa4 |
734 | s++; |
378cc40b |
735 | goto reswitch; |
1a30305b |
736 | case 'V': |
737 | if (!preambleav) |
738 | preambleav = newAV(); |
739 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); |
740 | if (*++s != ':') { |
6e72f9df |
741 | Sv = newSVpv("print myconfig();",0); |
742 | #ifdef VMS |
743 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
744 | #else |
745 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
746 | #endif |
54310121 |
747 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c |
748 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df |
749 | # ifdef DEBUGGING |
46fc3d4c |
750 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df |
751 | # endif |
54310121 |
752 | # ifdef NO_EMBED |
46fc3d4c |
753 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df |
754 | # endif |
755 | # ifdef MULTIPLICITY |
46fc3d4c |
756 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df |
757 | # endif |
46fc3d4c |
758 | sv_catpv(Sv,"\\n\","); |
6e72f9df |
759 | #endif |
760 | #if defined(LOCAL_PATCH_COUNT) |
54310121 |
761 | if (LOCAL_PATCH_COUNT > 0) { |
762 | int i; |
5cd24f17 |
763 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df |
764 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c |
765 | if (localpatches[i]) |
766 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); |
6e72f9df |
767 | } |
768 | } |
769 | #endif |
46fc3d4c |
770 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df |
771 | #ifdef __DATE__ |
772 | # ifdef __TIME__ |
46fc3d4c |
773 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df |
774 | # else |
46fc3d4c |
775 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df |
776 | # endif |
6e72f9df |
777 | #endif |
54310121 |
778 | sv_catpv(Sv, "; \ |
779 | $\"=\"\\n \"; \ |
780 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ |
781 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
782 | print \" \\@INC:\\n @INC\\n\";"); |
1a30305b |
783 | } |
784 | else { |
785 | Sv = newSVpv("config_vars(qw(",0); |
786 | sv_catpv(Sv, ++s); |
787 | sv_catpv(Sv, "))"); |
788 | s += strlen(s); |
789 | } |
790 | av_push(preambleav, Sv); |
c07a80fd |
791 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b |
792 | goto reswitch; |
33b78306 |
793 | case 'x': |
794 | doextract = TRUE; |
13281fa4 |
795 | s++; |
33b78306 |
796 | if (*s) |
a0d0e21e |
797 | cddir = savepv(s); |
33b78306 |
798 | break; |
8d063cd8 |
799 | case 0: |
800 | break; |
fb73857a |
801 | case '-': |
802 | if (!*++s || isSPACE(*s)) { |
803 | argc--,argv++; |
804 | goto switch_end; |
805 | } |
806 | /* catch use of gnu style long options */ |
807 | if (strEQ(s, "version")) { |
808 | s = "v"; |
809 | goto reswitch; |
810 | } |
811 | if (strEQ(s, "help")) { |
812 | s = "h"; |
813 | goto reswitch; |
814 | } |
815 | s--; |
816 | /* FALL THROUGH */ |
8d063cd8 |
817 | default: |
90248788 |
818 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 |
819 | } |
820 | } |
821 | switch_end: |
54310121 |
822 | |
5fd9e9a4 |
823 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a |
824 | while (s && *s) { |
54310121 |
825 | while (isSPACE(*s)) |
826 | s++; |
827 | if (*s == '-') { |
828 | s++; |
829 | if (isSPACE(*s)) |
830 | continue; |
831 | } |
832 | if (!*s) |
833 | break; |
834 | if (!strchr("DIMUdmw", *s)) |
835 | croak("Illegal switch in PERL5OPT: -%c", *s); |
836 | s = moreswitches(s); |
837 | } |
838 | } |
839 | |
1a30305b |
840 | if (!scriptname) |
841 | scriptname = argv[0]; |
8d063cd8 |
842 | if (e_fp) { |
68dc0745 |
843 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
844 | #ifndef MULTIPLICITY |
845 | warn("Did you forget to compile with -DMULTIPLICITY?"); |
846 | #endif |
2304df62 |
847 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 |
848 | } |
ab821d7f |
849 | e_fp = Nullfp; |
8d063cd8 |
850 | argc++,argv--; |
45d8adaa |
851 | scriptname = e_tmpname; |
8d063cd8 |
852 | } |
79072805 |
853 | else if (scriptname == Nullch) { |
854 | #ifdef MSDOS |
3028581b |
855 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff |
856 | moreswitches("h"); |
fe14fcc3 |
857 | #endif |
79072805 |
858 | scriptname = "-"; |
859 | } |
fe14fcc3 |
860 | |
79072805 |
861 | init_perllib(); |
8d063cd8 |
862 | |
79072805 |
863 | open_script(scriptname,dosearch,sv); |
8d063cd8 |
864 | |
96436eeb |
865 | validate_suid(validarg, scriptname); |
378cc40b |
866 | |
79072805 |
867 | if (doextract) |
868 | find_beginning(); |
869 | |
4fdae800 |
870 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 |
871 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c |
872 | CvUNIQUE_on(compcv); |
748a9306 |
873 | |
6e72f9df |
874 | comppad = newAV(); |
79072805 |
875 | av_push(comppad, Nullsv); |
876 | curpad = AvARRAY(comppad); |
6e72f9df |
877 | comppad_name = newAV(); |
8990e307 |
878 | comppad_name_fill = 0; |
e858de61 |
879 | min_intro_pending = 0; |
880 | padix = 0; |
11343788 |
881 | #ifdef USE_THREADS |
882 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
e858de61 |
883 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 |
884 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 |
885 | CvOWNER(compcv) = 0; |
12ca11f6 |
886 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 |
887 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 |
888 | #endif /* USE_THREADS */ |
79072805 |
889 | |
748a9306 |
890 | comppadlist = newAV(); |
891 | AvREAL_off(comppadlist); |
8e07c86e |
892 | av_store(comppadlist, 0, (SV*)comppad_name); |
893 | av_store(comppadlist, 1, (SV*)comppad); |
748a9306 |
894 | CvPADLIST(compcv) = comppadlist; |
895 | |
6e72f9df |
896 | boot_core_UNIVERSAL(); |
a0d0e21e |
897 | if (xsinit) |
898 | (*xsinit)(); /* in case linked C routines want magical variables */ |
39e571d4 |
899 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 |
900 | init_os_extras(); |
901 | #endif |
93a17b20 |
902 | |
93a17b20 |
903 | init_predump_symbols(); |
8990e307 |
904 | if (!do_undump) |
905 | init_postdump_symbols(argc,argv,env); |
93a17b20 |
906 | |
79072805 |
907 | init_lexer(); |
908 | |
909 | /* now parse the script */ |
910 | |
61bb5906 |
911 | SETERRNO(0,SS$_NORMAL); |
79072805 |
912 | error_count = 0; |
913 | if (yyparse() || error_count) { |
914 | if (minus_c) |
463ee0b2 |
915 | croak("%s had compilation errors.\n", origfilename); |
79072805 |
916 | else { |
463ee0b2 |
917 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 |
918 | origfilename); |
378cc40b |
919 | } |
79072805 |
920 | } |
921 | curcop->cop_line = 0; |
922 | curstash = defstash; |
923 | preprocess = FALSE; |
ab821d7f |
924 | if (e_tmpname) { |
79072805 |
925 | (void)UNLINK(e_tmpname); |
ab821d7f |
926 | Safefree(e_tmpname); |
927 | e_tmpname = Nullch; |
e5c9fcd0 |
928 | e_tmpfd = -1; |
378cc40b |
929 | } |
a687059c |
930 | |
93a17b20 |
931 | /* now that script is parsed, we can modify record separator */ |
c07a80fd |
932 | SvREFCNT_dec(rs); |
933 | rs = SvREFCNT_inc(nrs); |
e1c148c2 |
934 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 |
935 | if (do_undump) |
936 | my_unexec(); |
937 | |
8990e307 |
938 | if (dowarn) |
939 | gv_check(defstash); |
940 | |
a0d0e21e |
941 | LEAVE; |
942 | FREETMPS; |
c07a80fd |
943 | |
3562ef9b |
944 | #ifdef MYMALLOC |
5fd9e9a4 |
945 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd |
946 | dump_mstats("after compilation:"); |
947 | #endif |
948 | |
a0d0e21e |
949 | ENTER; |
950 | restartop = 0; |
54310121 |
951 | JMPENV_POP; |
79072805 |
952 | return 0; |
953 | } |
954 | |
955 | int |
8ac85365 |
956 | perl_run(PerlInterpreter *sv_interp) |
79072805 |
957 | { |
11343788 |
958 | dTHR; |
2ae324a7 |
959 | I32 oldscope; |
22921e25 |
960 | dJMPENV; |
961 | int ret; |
2ae324a7 |
962 | |
79072805 |
963 | if (!(curinterp = sv_interp)) |
964 | return 255; |
2ae324a7 |
965 | |
966 | oldscope = scopestack_ix; |
967 | |
22921e25 |
968 | JMPENV_PUSH(ret); |
969 | switch (ret) { |
79072805 |
970 | case 1: |
971 | cxstack_ix = -1; /* start context stack again */ |
972 | break; |
973 | case 2: |
f86702cc |
974 | /* my_exit() was called */ |
2ae324a7 |
975 | while (scopestack_ix > oldscope) |
976 | LEAVE; |
84902520 |
977 | FREETMPS; |
79072805 |
978 | curstash = defstash; |
93a17b20 |
979 | if (endav) |
68dc0745 |
980 | call_list(oldscope, endav); |
3562ef9b |
981 | #ifdef MYMALLOC |
5fd9e9a4 |
982 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd |
983 | dump_mstats("after execution: "); |
984 | #endif |
54310121 |
985 | JMPENV_POP; |
f86702cc |
986 | return STATUS_NATIVE_EXPORT; |
79072805 |
987 | case 3: |
988 | if (!restartop) { |
760ac839 |
989 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
990 | FREETMPS; |
54310121 |
991 | JMPENV_POP; |
8990e307 |
992 | return 1; |
83025b21 |
993 | } |
6e72f9df |
994 | if (curstack != mainstack) { |
79072805 |
995 | dSP; |
6e72f9df |
996 | SWITCHSTACK(curstack, mainstack); |
79072805 |
997 | } |
998 | break; |
8d063cd8 |
999 | } |
79072805 |
1000 | |
fb73857a |
1001 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df |
1002 | sawampersand ? "Enabling" : "Omitting")); |
1003 | |
79072805 |
1004 | if (!restartop) { |
1005 | DEBUG_x(dump_all()); |
760ac839 |
1006 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 |
1007 | #ifdef USE_THREADS |
5dc0d613 |
1008 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1009 | (unsigned long) thr)); |
11343788 |
1010 | #endif /* USE_THREADS */ |
79072805 |
1011 | |
1012 | if (minus_c) { |
760ac839 |
1013 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 |
1014 | my_exit(0); |
1015 | } |
84902520 |
1016 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e |
1017 | sv_setiv(DBsingle, 1); |
7d07dbc2 |
1018 | if (initav) |
1019 | call_list(oldscope, initav); |
45d8adaa |
1020 | } |
79072805 |
1021 | |
1022 | /* do it */ |
1023 | |
1024 | if (restartop) { |
1025 | op = restartop; |
1026 | restartop = 0; |
ab821d7f |
1027 | runops(); |
79072805 |
1028 | } |
1029 | else if (main_start) { |
4fdae800 |
1030 | CvDEPTH(main_cv) = 1; |
79072805 |
1031 | op = main_start; |
ab821d7f |
1032 | runops(); |
79072805 |
1033 | } |
79072805 |
1034 | |
1035 | my_exit(0); |
54310121 |
1036 | /* NOTREACHED */ |
a0d0e21e |
1037 | return 0; |
79072805 |
1038 | } |
1039 | |
a0d0e21e |
1040 | SV* |
8ac85365 |
1041 | perl_get_sv(char *name, I32 create) |
a0d0e21e |
1042 | { |
2faa37cc |
1043 | GV *gv; |
38a03e6e |
1044 | #ifdef USE_THREADS |
2faa37cc |
1045 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d |
1046 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc |
1047 | if (tmp != NOT_IN_PAD) { |
1048 | dTHR; |
940cb80d |
1049 | return THREADSV(tmp); |
2faa37cc |
1050 | } |
38a03e6e |
1051 | } |
1052 | #endif /* USE_THREADS */ |
2faa37cc |
1053 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e |
1054 | if (gv) |
1055 | return GvSV(gv); |
1056 | return Nullsv; |
1057 | } |
1058 | |
1059 | AV* |
8ac85365 |
1060 | perl_get_av(char *name, I32 create) |
a0d0e21e |
1061 | { |
1062 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); |
1063 | if (create) |
1064 | return GvAVn(gv); |
1065 | if (gv) |
1066 | return GvAV(gv); |
1067 | return Nullav; |
1068 | } |
1069 | |
1070 | HV* |
8ac85365 |
1071 | perl_get_hv(char *name, I32 create) |
a0d0e21e |
1072 | { |
1073 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1074 | if (create) |
1075 | return GvHVn(gv); |
1076 | if (gv) |
1077 | return GvHV(gv); |
1078 | return Nullhv; |
1079 | } |
1080 | |
1081 | CV* |
8ac85365 |
1082 | perl_get_cv(char *name, I32 create) |
a0d0e21e |
1083 | { |
1084 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); |
8ebc5c01 |
1085 | if (create && !GvCVu(gv)) |
774d564b |
1086 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e |
1087 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 |
1088 | Nullop, |
a0d0e21e |
1089 | Nullop); |
1090 | if (gv) |
8ebc5c01 |
1091 | return GvCVu(gv); |
a0d0e21e |
1092 | return Nullcv; |
1093 | } |
1094 | |
79072805 |
1095 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1096 | |
a0d0e21e |
1097 | I32 |
22239a37 |
1098 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 |
1099 | |
1100 | /* See G_* flags in cop.h */ |
1101 | /* null terminated arg list */ |
8990e307 |
1102 | { |
a0d0e21e |
1103 | dSP; |
8990e307 |
1104 | |
924508f0 |
1105 | PUSHMARK(SP); |
a0d0e21e |
1106 | if (argv) { |
8990e307 |
1107 | while (*argv) { |
a0d0e21e |
1108 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 |
1109 | argv++; |
1110 | } |
a0d0e21e |
1111 | PUTBACK; |
8990e307 |
1112 | } |
22239a37 |
1113 | return perl_call_pv(sub_name, flags); |
8990e307 |
1114 | } |
1115 | |
a0d0e21e |
1116 | I32 |
22239a37 |
1117 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 |
1118 | /* name of the subroutine */ |
1119 | /* See G_* flags in cop.h */ |
a0d0e21e |
1120 | { |
22239a37 |
1121 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e |
1122 | } |
1123 | |
1124 | I32 |
8ac85365 |
1125 | perl_call_method(char *methname, I32 flags) |
1126 | /* name of the subroutine */ |
1127 | /* See G_* flags in cop.h */ |
a0d0e21e |
1128 | { |
1129 | dSP; |
1130 | OP myop; |
1131 | if (!op) |
1132 | op = &myop; |
1133 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1134 | PUTBACK; |
11343788 |
1135 | pp_method(ARGS); |
a0d0e21e |
1136 | return perl_call_sv(*stack_sp--, flags); |
1137 | } |
1138 | |
1139 | /* May be called with any of a CV, a GV, or an SV containing the name. */ |
1140 | I32 |
8ac85365 |
1141 | perl_call_sv(SV *sv, I32 flags) |
1142 | |
1143 | /* See G_* flags in cop.h */ |
a0d0e21e |
1144 | { |
924508f0 |
1145 | dSP; |
a0d0e21e |
1146 | LOGOP myop; /* fake syntax tree node */ |
aa689395 |
1147 | I32 oldmark; |
a0d0e21e |
1148 | I32 retval; |
a0d0e21e |
1149 | I32 oldscope; |
6e72f9df |
1150 | static CV *DBcv; |
54310121 |
1151 | bool oldcatch = CATCH_GET; |
1152 | dJMPENV; |
22921e25 |
1153 | int ret; |
d6602a8c |
1154 | OP* oldop = op; |
1e422769 |
1155 | |
a0d0e21e |
1156 | if (flags & G_DISCARD) { |
1157 | ENTER; |
1158 | SAVETMPS; |
1159 | } |
1160 | |
aa689395 |
1161 | Zero(&myop, 1, LOGOP); |
54310121 |
1162 | myop.op_next = Nullop; |
f51d4af5 |
1163 | if (!(flags & G_NOARGS)) |
aa689395 |
1164 | myop.op_flags |= OPf_STACKED; |
54310121 |
1165 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1166 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1167 | OPf_WANT_SCALAR); |
462e5cf6 |
1168 | SAVEOP(); |
a0d0e21e |
1169 | op = (OP*)&myop; |
aa689395 |
1170 | |
a0d0e21e |
1171 | EXTEND(stack_sp, 1); |
1172 | *++stack_sp = sv; |
aa689395 |
1173 | oldmark = TOPMARK; |
a0d0e21e |
1174 | oldscope = scopestack_ix; |
1175 | |
84902520 |
1176 | if (PERLDB_SUB && curstash != debstash |
36477c24 |
1177 | /* Handle first BEGIN of -d. */ |
1178 | && (DBcv || (DBcv = GvCV(DBsub))) |
1179 | /* Try harder, since this may have been a sighandler, thus |
1180 | * curstash may be meaningless. */ |
1181 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) |
6e72f9df |
1182 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e |
1183 | |
1184 | if (flags & G_EVAL) { |
a0d0e21e |
1185 | cLOGOP->op_other = op; |
1186 | markstack_ptr--; |
4633a7c4 |
1187 | /* we're trying to emulate pp_entertry() here */ |
1188 | { |
c09156bb |
1189 | register PERL_CONTEXT *cx; |
54310121 |
1190 | I32 gimme = GIMME_V; |
4633a7c4 |
1191 | |
1192 | ENTER; |
1193 | SAVETMPS; |
1194 | |
1195 | push_return(op->op_next); |
1196 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); |
1197 | PUSHEVAL(cx, 0, 0); |
1198 | eval_root = op; /* Only needed so that goto works right. */ |
1199 | |
1200 | in_eval = 1; |
1201 | if (flags & G_KEEPERR) |
1202 | in_eval |= 4; |
1203 | else |
38a03e6e |
1204 | sv_setpv(ERRSV,""); |
4633a7c4 |
1205 | } |
a0d0e21e |
1206 | markstack_ptr++; |
1207 | |
22921e25 |
1208 | JMPENV_PUSH(ret); |
1209 | switch (ret) { |
a0d0e21e |
1210 | case 0: |
1211 | break; |
1212 | case 1: |
f86702cc |
1213 | STATUS_ALL_FAILURE; |
a0d0e21e |
1214 | /* FALL THROUGH */ |
1215 | case 2: |
1216 | /* my_exit() was called */ |
1217 | curstash = defstash; |
1218 | FREETMPS; |
54310121 |
1219 | JMPENV_POP; |
a0d0e21e |
1220 | if (statusvalue) |
1221 | croak("Callback called exit"); |
f86702cc |
1222 | my_exit_jump(); |
a0d0e21e |
1223 | /* NOTREACHED */ |
1224 | case 3: |
1225 | if (restartop) { |
1226 | op = restartop; |
1227 | restartop = 0; |
54310121 |
1228 | break; |
a0d0e21e |
1229 | } |
1230 | stack_sp = stack_base + oldmark; |
1231 | if (flags & G_ARRAY) |
1232 | retval = 0; |
1233 | else { |
1234 | retval = 1; |
1235 | *++stack_sp = &sv_undef; |
1236 | } |
1237 | goto cleanup; |
1238 | } |
1239 | } |
1e422769 |
1240 | else |
54310121 |
1241 | CATCH_SET(TRUE); |
a0d0e21e |
1242 | |
1243 | if (op == (OP*)&myop) |
11343788 |
1244 | op = pp_entersub(ARGS); |
a0d0e21e |
1245 | if (op) |
ab821d7f |
1246 | runops(); |
a0d0e21e |
1247 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 |
1248 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e |
1249 | sv_setpv(ERRSV,""); |
a0d0e21e |
1250 | |
1251 | cleanup: |
1252 | if (flags & G_EVAL) { |
1253 | if (scopestack_ix > oldscope) { |
a0a2876f |
1254 | SV **newsp; |
1255 | PMOP *newpm; |
1256 | I32 gimme; |
c09156bb |
1257 | register PERL_CONTEXT *cx; |
a0a2876f |
1258 | I32 optype; |
1259 | |
1260 | POPBLOCK(cx,newpm); |
1261 | POPEVAL(cx); |
1262 | pop_return(); |
1263 | curpm = newpm; |
1264 | LEAVE; |
a0d0e21e |
1265 | } |
54310121 |
1266 | JMPENV_POP; |
a0d0e21e |
1267 | } |
1e422769 |
1268 | else |
54310121 |
1269 | CATCH_SET(oldcatch); |
1e422769 |
1270 | |
a0d0e21e |
1271 | if (flags & G_DISCARD) { |
1272 | stack_sp = stack_base + oldmark; |
1273 | retval = 0; |
1274 | FREETMPS; |
1275 | LEAVE; |
1276 | } |
d6602a8c |
1277 | op = oldop; |
a0d0e21e |
1278 | return retval; |
1279 | } |
1280 | |
6e72f9df |
1281 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 |
1282 | |
a0d0e21e |
1283 | I32 |
8ac85365 |
1284 | perl_eval_sv(SV *sv, I32 flags) |
1285 | |
1286 | /* See G_* flags in cop.h */ |
a0d0e21e |
1287 | { |
924508f0 |
1288 | dSP; |
a0d0e21e |
1289 | UNOP myop; /* fake syntax tree node */ |
924508f0 |
1290 | I32 oldmark = SP - stack_base; |
4633a7c4 |
1291 | I32 retval; |
4633a7c4 |
1292 | I32 oldscope; |
54310121 |
1293 | dJMPENV; |
22921e25 |
1294 | int ret; |
84902520 |
1295 | OP* oldop = op; |
1296 | |
4633a7c4 |
1297 | if (flags & G_DISCARD) { |
1298 | ENTER; |
1299 | SAVETMPS; |
1300 | } |
1301 | |
462e5cf6 |
1302 | SAVEOP(); |
79072805 |
1303 | op = (OP*)&myop; |
a0d0e21e |
1304 | Zero(op, 1, UNOP); |
4633a7c4 |
1305 | EXTEND(stack_sp, 1); |
1306 | *++stack_sp = sv; |
1307 | oldscope = scopestack_ix; |
79072805 |
1308 | |
4633a7c4 |
1309 | if (!(flags & G_NOARGS)) |
1310 | myop.op_flags = OPf_STACKED; |
79072805 |
1311 | myop.op_next = Nullop; |
6e72f9df |
1312 | myop.op_type = OP_ENTEREVAL; |
54310121 |
1313 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1314 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1315 | OPf_WANT_SCALAR); |
6e72f9df |
1316 | if (flags & G_KEEPERR) |
1317 | myop.op_flags |= OPf_SPECIAL; |
4633a7c4 |
1318 | |
22921e25 |
1319 | JMPENV_PUSH(ret); |
1320 | switch (ret) { |
4633a7c4 |
1321 | case 0: |
1322 | break; |
1323 | case 1: |
f86702cc |
1324 | STATUS_ALL_FAILURE; |
4633a7c4 |
1325 | /* FALL THROUGH */ |
1326 | case 2: |
1327 | /* my_exit() was called */ |
1328 | curstash = defstash; |
1329 | FREETMPS; |
54310121 |
1330 | JMPENV_POP; |
4633a7c4 |
1331 | if (statusvalue) |
1332 | croak("Callback called exit"); |
f86702cc |
1333 | my_exit_jump(); |
4633a7c4 |
1334 | /* NOTREACHED */ |
1335 | case 3: |
1336 | if (restartop) { |
1337 | op = restartop; |
1338 | restartop = 0; |
54310121 |
1339 | break; |
4633a7c4 |
1340 | } |
1341 | stack_sp = stack_base + oldmark; |
1342 | if (flags & G_ARRAY) |
1343 | retval = 0; |
1344 | else { |
1345 | retval = 1; |
1346 | *++stack_sp = &sv_undef; |
1347 | } |
1348 | goto cleanup; |
1349 | } |
1350 | |
1351 | if (op == (OP*)&myop) |
11343788 |
1352 | op = pp_entereval(ARGS); |
4633a7c4 |
1353 | if (op) |
ab821d7f |
1354 | runops(); |
4633a7c4 |
1355 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df |
1356 | if (!(flags & G_KEEPERR)) |
38a03e6e |
1357 | sv_setpv(ERRSV,""); |
4633a7c4 |
1358 | |
1359 | cleanup: |
54310121 |
1360 | JMPENV_POP; |
4633a7c4 |
1361 | if (flags & G_DISCARD) { |
1362 | stack_sp = stack_base + oldmark; |
1363 | retval = 0; |
1364 | FREETMPS; |
1365 | LEAVE; |
1366 | } |
84902520 |
1367 | op = oldop; |
4633a7c4 |
1368 | return retval; |
1369 | } |
1370 | |
137443ea |
1371 | SV* |
8ac85365 |
1372 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea |
1373 | { |
1374 | dSP; |
1375 | SV* sv = newSVpv(p, 0); |
1376 | |
924508f0 |
1377 | PUSHMARK(SP); |
137443ea |
1378 | perl_eval_sv(sv, G_SCALAR); |
1379 | SvREFCNT_dec(sv); |
1380 | |
1381 | SPAGAIN; |
1382 | sv = POPs; |
1383 | PUTBACK; |
1384 | |
38a03e6e |
1385 | if (croak_on_error && SvTRUE(ERRSV)) |
1386 | croak(SvPVx(ERRSV, na)); |
137443ea |
1387 | |
1388 | return sv; |
1389 | } |
1390 | |
4633a7c4 |
1391 | /* Require a module. */ |
1392 | |
1393 | void |
8ac85365 |
1394 | perl_require_pv(char *pv) |
4633a7c4 |
1395 | { |
1396 | SV* sv = sv_newmortal(); |
1397 | sv_setpv(sv, "require '"); |
1398 | sv_catpv(sv, pv); |
1399 | sv_catpv(sv, "'"); |
1400 | perl_eval_sv(sv, G_DISCARD); |
79072805 |
1401 | } |
1402 | |
79072805 |
1403 | void |
8ac85365 |
1404 | magicname(char *sym, char *name, I32 namlen) |
79072805 |
1405 | { |
1406 | register GV *gv; |
1407 | |
85e6fe83 |
1408 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 |
1409 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1410 | } |
1411 | |
ab821d7f |
1412 | static void |
8ac85365 |
1413 | usage(char *name) /* XXX move this out into a module ? */ |
1414 | |
4633a7c4 |
1415 | { |
ab821d7f |
1416 | /* This message really ought to be max 23 lines. |
1417 | * Removed -h because the user already knows that opton. Others? */ |
fb73857a |
1418 | |
1419 | static char *usage[] = { |
1420 | "-0[octal] specify record separator (\\0, if no argument)", |
1421 | "-a autosplit mode with -n or -p (splits $_ into @F)", |
1422 | "-c check syntax only (runs BEGIN and END blocks)", |
1423 | "-d[:debugger] run scripts under debugger", |
1424 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", |
1425 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", |
1426 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", |
1427 | "-i[extension] edit <> files in place (make backup if extension supplied)", |
1428 | "-Idirectory specify @INC/#include directory (may be used more than once)", |
1429 | "-l[octal] enable line ending processing, specifies line terminator", |
1430 | "-[mM][-]module.. executes `use/no module...' before executing your script.", |
1431 | "-n assume 'while (<>) { ... }' loop around your script", |
1432 | "-p assume loop like -n but print line also like sed", |
1433 | "-P run script through C preprocessor before compilation", |
1434 | "-s enable some switch parsing for switches after script name", |
1435 | "-S look for the script using PATH environment variable", |
1436 | "-T turn on tainting checks", |
1437 | "-u dump core after parsing script", |
1438 | "-U allow unsafe operations", |
1439 | "-v print version number and patchlevel of perl", |
1440 | "-V[:variable] print perl configuration information", |
1441 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", |
1442 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1443 | "\n", |
1444 | NULL |
1445 | }; |
1446 | char **p = usage; |
1447 | |
ab821d7f |
1448 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a |
1449 | while (*p) |
1450 | printf("\n %s", *p++); |
4633a7c4 |
1451 | } |
1452 | |
79072805 |
1453 | /* This routine handles any switches that can be given during run */ |
1454 | |
1455 | char * |
8ac85365 |
1456 | moreswitches(char *s) |
79072805 |
1457 | { |
1458 | I32 numlen; |
c07a80fd |
1459 | U32 rschar; |
79072805 |
1460 | |
1461 | switch (*s) { |
1462 | case '0': |
a863c7d1 |
1463 | { |
1464 | dTHR; |
c07a80fd |
1465 | rschar = scan_oct(s, 4, &numlen); |
1466 | SvREFCNT_dec(nrs); |
1467 | if (rschar & ~((U8)~0)) |
1468 | nrs = &sv_undef; |
1469 | else if (!rschar && numlen >= 2) |
1470 | nrs = newSVpv("", 0); |
1471 | else { |
1472 | char ch = rschar; |
1473 | nrs = newSVpv(&ch, 1); |
79072805 |
1474 | } |
1475 | return s + numlen; |
a863c7d1 |
1476 | } |
2304df62 |
1477 | case 'F': |
1478 | minus_F = TRUE; |
a0d0e21e |
1479 | splitstr = savepv(s + 1); |
2304df62 |
1480 | s += strlen(s); |
1481 | return s; |
79072805 |
1482 | case 'a': |
1483 | minus_a = TRUE; |
1484 | s++; |
1485 | return s; |
1486 | case 'c': |
1487 | minus_c = TRUE; |
1488 | s++; |
1489 | return s; |
1490 | case 'd': |
bbce6d69 |
1491 | forbid_setid("-d"); |
4633a7c4 |
1492 | s++; |
c07a80fd |
1493 | if (*s == ':' || *s == '=') { |
46fc3d4c |
1494 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 |
1495 | s += strlen(s); |
4633a7c4 |
1496 | } |
a0d0e21e |
1497 | if (!perldb) { |
84902520 |
1498 | perldb = PERLDB_ALL; |
a0d0e21e |
1499 | init_debugger(); |
1500 | } |
79072805 |
1501 | return s; |
1502 | case 'D': |
1503 | #ifdef DEBUGGING |
bbce6d69 |
1504 | forbid_setid("-D"); |
79072805 |
1505 | if (isALPHA(s[1])) { |
8990e307 |
1506 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 |
1507 | char *d; |
1508 | |
93a17b20 |
1509 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 |
1510 | debug |= 1 << (d - debopts); |
1511 | } |
1512 | else { |
1513 | debug = atoi(s+1); |
1514 | for (s++; isDIGIT(*s); s++) ; |
1515 | } |
8990e307 |
1516 | debug |= 0x80000000; |
79072805 |
1517 | #else |
1518 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e |
1519 | for (s++; isALNUM(*s); s++) ; |
79072805 |
1520 | #endif |
1521 | /*SUPPRESS 530*/ |
1522 | return s; |
4633a7c4 |
1523 | case 'h': |
1524 | usage(origargv[0]); |
3028581b |
1525 | PerlProc_exit(0); |
79072805 |
1526 | case 'i': |
1527 | if (inplace) |
1528 | Safefree(inplace); |
a0d0e21e |
1529 | inplace = savepv(s+1); |
79072805 |
1530 | /*SUPPRESS 530*/ |
1531 | for (s = inplace; *s && !isSPACE(*s); s++) ; |
fb73857a |
1532 | if (*s) |
1533 | *s++ = '\0'; |
1534 | return s; |
1535 | case 'I': /* -I handled both here and in parse_perl() */ |
bbce6d69 |
1536 | forbid_setid("-I"); |
fb73857a |
1537 | ++s; |
1538 | while (*s && isSPACE(*s)) |
1539 | ++s; |
1540 | if (*s) { |
774d564b |
1541 | char *e, *p; |
748a9306 |
1542 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b |
1543 | p = savepvn(s, e-s); |
1544 | incpush(p, TRUE); |
1545 | Safefree(p); |
fb73857a |
1546 | s = e; |
79072805 |
1547 | } |
1548 | else |
463ee0b2 |
1549 | croak("No space allowed after -I"); |
fb73857a |
1550 | return s; |
79072805 |
1551 | case 'l': |
1552 | minus_l = TRUE; |
1553 | s++; |
a0d0e21e |
1554 | if (ors) |
1555 | Safefree(ors); |
79072805 |
1556 | if (isDIGIT(*s)) { |
a0d0e21e |
1557 | ors = savepv("\n"); |
79072805 |
1558 | orslen = 1; |
1559 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); |
1560 | s += numlen; |
1561 | } |
1562 | else { |
a863c7d1 |
1563 | dTHR; |
c07a80fd |
1564 | if (RsPARA(nrs)) { |
6e72f9df |
1565 | ors = "\n\n"; |
c07a80fd |
1566 | orslen = 2; |
1567 | } |
1568 | else |
1569 | ors = SvPV(nrs, orslen); |
6e72f9df |
1570 | ors = savepvn(ors, orslen); |
79072805 |
1571 | } |
1572 | return s; |
1a30305b |
1573 | case 'M': |
bbce6d69 |
1574 | forbid_setid("-M"); /* XXX ? */ |
1a30305b |
1575 | /* FALL THROUGH */ |
1576 | case 'm': |
bbce6d69 |
1577 | forbid_setid("-m"); /* XXX ? */ |
1a30305b |
1578 | if (*++s) { |
a5f75d66 |
1579 | char *start; |
11343788 |
1580 | SV *sv; |
a5f75d66 |
1581 | char *use = "use "; |
1582 | /* -M-foo == 'no foo' */ |
1583 | if (*s == '-') { use = "no "; ++s; } |
11343788 |
1584 | sv = newSVpv(use,0); |
a5f75d66 |
1585 | start = s; |
1a30305b |
1586 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd |
1587 | while(isALNUM(*s) || *s==':') ++s; |
1588 | if (*s != '=') { |
11343788 |
1589 | sv_catpv(sv, start); |
c07a80fd |
1590 | if (*(start-1) == 'm') { |
1591 | if (*s != '\0') |
1592 | croak("Can't use '%c' after -mname", *s); |
11343788 |
1593 | sv_catpv( sv, " ()"); |
c07a80fd |
1594 | } |
1595 | } else { |
11343788 |
1596 | sv_catpvn(sv, start, s-start); |
1597 | sv_catpv(sv, " split(/,/,q{"); |
1598 | sv_catpv(sv, ++s); |
1599 | sv_catpv(sv, "})"); |
c07a80fd |
1600 | } |
1a30305b |
1601 | s += strlen(s); |
c07a80fd |
1602 | if (preambleav == NULL) |
1603 | preambleav = newAV(); |
11343788 |
1604 | av_push(preambleav, sv); |
1a30305b |
1605 | } |
1606 | else |
1607 | croak("No space allowed after -%c", *(s-1)); |
1608 | return s; |
79072805 |
1609 | case 'n': |
1610 | minus_n = TRUE; |
1611 | s++; |
1612 | return s; |
1613 | case 'p': |
1614 | minus_p = TRUE; |
1615 | s++; |
1616 | return s; |
1617 | case 's': |
bbce6d69 |
1618 | forbid_setid("-s"); |
79072805 |
1619 | doswitches = TRUE; |
1620 | s++; |
1621 | return s; |
463ee0b2 |
1622 | case 'T': |
f86702cc |
1623 | if (!tainting) |
9607fc9c |
1624 | croak("Too late for \"-T\" option"); |
463ee0b2 |
1625 | s++; |
1626 | return s; |
79072805 |
1627 | case 'u': |
1628 | do_undump = TRUE; |
1629 | s++; |
1630 | return s; |
1631 | case 'U': |
1632 | unsafe = TRUE; |
1633 | s++; |
1634 | return s; |
1635 | case 'v': |
a5f75d66 |
1636 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a |
1637 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1638 | PATCHLEVEL, SUBVERSION, ARCHNAME); |
a5f75d66 |
1639 | #else |
fb73857a |
1640 | printf("\nThis is perl, version %s built for %s", |
1641 | patchlevel, ARCHNAME); |
1642 | #endif |
1643 | #if defined(LOCAL_PATCH_COUNT) |
1644 | if (LOCAL_PATCH_COUNT > 0) |
1645 | printf("\n(with %d registered patch%s, see perl -V for more detail)", |
1646 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 |
1647 | #endif |
1a30305b |
1648 | |
a411490c |
1649 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 |
1650 | #ifdef MSDOS |
fb73857a |
1651 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff |
1652 | #endif |
1653 | #ifdef DJGPP |
1654 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); |
9731c6ca |
1655 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 |
1656 | #endif |
79072805 |
1657 | #ifdef OS2 |
5dd60ef7 |
1658 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c |
1659 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 |
1660 | #endif |
79072805 |
1661 | #ifdef atarist |
760ac839 |
1662 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 |
1663 | #endif |
760ac839 |
1664 | printf("\n\ |
79072805 |
1665 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 |
1666 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
3028581b |
1667 | PerlProc_exit(0); |
79072805 |
1668 | case 'w': |
1669 | dowarn = TRUE; |
1670 | s++; |
1671 | return s; |
a0d0e21e |
1672 | case '*': |
79072805 |
1673 | case ' ': |
1674 | if (s[1] == '-') /* Additional switches on #! line. */ |
1675 | return s+2; |
1676 | break; |
a0d0e21e |
1677 | case '-': |
79072805 |
1678 | case 0: |
a868473f |
1679 | #ifdef WIN32 |
1680 | case '\r': |
1681 | #endif |
79072805 |
1682 | case '\n': |
1683 | case '\t': |
1684 | break; |
aa689395 |
1685 | #ifdef ALTERNATE_SHEBANG |
1686 | case 'S': /* OS/2 needs -S on "extproc" line. */ |
1687 | break; |
1688 | #endif |
a0d0e21e |
1689 | case 'P': |
1690 | if (preprocess) |
1691 | return s+1; |
1692 | /* FALL THROUGH */ |
79072805 |
1693 | default: |
a0d0e21e |
1694 | croak("Can't emulate -%.1s on #! line",s); |
79072805 |
1695 | } |
1696 | return Nullch; |
1697 | } |
1698 | |
1699 | /* compliments of Tom Christiansen */ |
1700 | |
1701 | /* unexec() can be found in the Gnu emacs distribution */ |
1702 | |
1703 | void |
8ac85365 |
1704 | my_unexec(void) |
79072805 |
1705 | { |
1706 | #ifdef UNEXEC |
46fc3d4c |
1707 | SV* prog; |
1708 | SV* file; |
79072805 |
1709 | int status; |
1710 | extern int etext; |
1711 | |
46fc3d4c |
1712 | prog = newSVpv(BIN_EXP); |
1713 | sv_catpv(prog, "/perl"); |
1714 | file = newSVpv(origfilename); |
1715 | sv_catpv(file, ".perldump"); |
79072805 |
1716 | |
46fc3d4c |
1717 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 |
1718 | if (status) |
46fc3d4c |
1719 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1720 | SvPVX(prog), SvPVX(file)); |
3028581b |
1721 | PerlProc_exit(status); |
79072805 |
1722 | #else |
a5f75d66 |
1723 | # ifdef VMS |
1724 | # include <lib$routines.h> |
1725 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
aa689395 |
1726 | # else |
79072805 |
1727 | ABORT(); /* for use with undump */ |
aa689395 |
1728 | # endif |
a5f75d66 |
1729 | #endif |
79072805 |
1730 | } |
1731 | |
1732 | static void |
8ac85365 |
1733 | init_main_stash(void) |
79072805 |
1734 | { |
11343788 |
1735 | dTHR; |
463ee0b2 |
1736 | GV *gv; |
6e72f9df |
1737 | |
1738 | /* Note that strtab is a rather special HV. Assumptions are made |
1739 | about not iterating on it, and not adding tie magic to it. |
1740 | It is properly deallocated in perl_destruct() */ |
1741 | strtab = newHV(); |
1742 | HvSHAREKEYS_off(strtab); /* mandatory */ |
1743 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, |
1744 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); |
1745 | |
463ee0b2 |
1746 | curstash = defstash = newHV(); |
79072805 |
1747 | curstname = newSVpv("main",4); |
adbc6bb1 |
1748 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1749 | SvREFCNT_dec(GvHV(gv)); |
1750 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); |
463ee0b2 |
1751 | SvREADONLY_on(gv); |
a0d0e21e |
1752 | HvNAME(defstash) = savepv("main"); |
85e6fe83 |
1753 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 |
1754 | GvMULTI_on(incgv); |
a0d0e21e |
1755 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad |
1756 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1757 | GvMULTI_on(errgv); |
84902520 |
1758 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e |
1759 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1760 | sv_setpvn(ERRSV, "", 0); |
8990e307 |
1761 | curstash = defstash; |
1762 | compiling.cop_stash = defstash; |
adbc6bb1 |
1763 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 |
1764 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 |
1765 | /* We must init $/ before switches are processed. */ |
1766 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); |
79072805 |
1767 | } |
1768 | |
a0d0e21e |
1769 | static void |
1770 | open_script(char *scriptname, bool dosearch, SV *sv) |
79072805 |
1771 | { |
0f15f207 |
1772 | dTHR; |
79072805 |
1773 | char *xfound = Nullch; |
1774 | char *xfailed = Nullch; |
1775 | register char *s; |
1776 | I32 len; |
a38d6535 |
1777 | int retval; |
1778 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) |
fc36a67e |
1779 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1780 | # define MAX_EXT_LEN 4 |
a38d6535 |
1781 | #endif |
d8c2d278 |
1782 | #ifdef OS2 |
1783 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL |
1784 | # define MAX_EXT_LEN 4 |
1785 | #endif |
ab821d7f |
1786 | #ifdef VMS |
1787 | # define SEARCH_EXTS ".pl", ".com", NULL |
fc36a67e |
1788 | # define MAX_EXT_LEN 4 |
ab821d7f |
1789 | #endif |
a38d6535 |
1790 | /* additional extensions to try in each dir if scriptname not found */ |
1791 | #ifdef SEARCH_EXTS |
1792 | char *ext[] = { SEARCH_EXTS }; |
2a92aaa0 |
1793 | int extidx = 0, i = 0; |
1794 | char *curext = Nullch; |
fc36a67e |
1795 | #else |
1796 | # define MAX_EXT_LEN 0 |
a38d6535 |
1797 | #endif |
79072805 |
1798 | |
2a92aaa0 |
1799 | /* |
1800 | * If dosearch is true and if scriptname does not contain path |
1801 | * delimiters, search the PATH for scriptname. |
1802 | * |
1803 | * If SEARCH_EXTS is also defined, will look for each |
1804 | * scriptname{SEARCH_EXTS} whenever scriptname is not found |
1805 | * while searching the PATH. |
1806 | * |
1807 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search |
1808 | * proceeds as follows: |
61bb5906 |
1809 | * If DOSISH or VMSISH: |
2a92aaa0 |
1810 | * + look for ./scriptname{,.foo,.bar} |
1811 | * + search the PATH for scriptname{,.foo,.bar} |
1812 | * |
1813 | * If !DOSISH: |
1814 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note |
1815 | * this will not look in '.' if it's not in the PATH) |
1816 | */ |
1817 | |
c07a80fd |
1818 | #ifdef VMS |
61bb5906 |
1819 | # ifdef ALWAYS_DEFTYPES |
1820 | len = strlen(scriptname); |
1821 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { |
1822 | int hasdir, idx = 0, deftypes = 1; |
1823 | bool seen_dot = 1; |
1824 | |
1825 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; |
1826 | # else |
6e72f9df |
1827 | if (dosearch) { |
1828 | int hasdir, idx = 0, deftypes = 1; |
1a2dec3c |
1829 | bool seen_dot = 1; |
6e72f9df |
1830 | |
1831 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; |
61bb5906 |
1832 | # endif |
6e72f9df |
1833 | /* The first time through, just add SEARCH_EXTS to whatever we |
1834 | * already have, so we can check for default file types. */ |
fc36a67e |
1835 | while (deftypes || |
1836 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) |
1837 | { |
1838 | if (deftypes) { |
1839 | deftypes = 0; |
1840 | *tokenbuf = '\0'; |
1841 | } |
1842 | if ((strlen(tokenbuf) + strlen(scriptname) |
1843 | + MAX_EXT_LEN) >= sizeof tokenbuf) |
1844 | continue; /* don't search dir with too-long name */ |
1845 | strcat(tokenbuf, scriptname); |
c07a80fd |
1846 | #else /* !VMS */ |
2a92aaa0 |
1847 | |
fc36a67e |
1848 | #ifdef DOSISH |
2a92aaa0 |
1849 | if (strEQ(scriptname, "-")) |
84902520 |
1850 | dosearch = 0; |
2a92aaa0 |
1851 | if (dosearch) { /* Look in '.' first. */ |
1852 | char *cur = scriptname; |
1853 | #ifdef SEARCH_EXTS |
1854 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ |
1855 | while (ext[i]) |
1856 | if (strEQ(ext[i++],curext)) { |
1857 | extidx = -1; /* already has an ext */ |
1858 | break; |
1859 | } |
1860 | do { |
79072805 |
1861 | #endif |
2a92aaa0 |
1862 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1863 | "Looking for %s\n",cur)); |
1864 | if (Stat(cur,&statbuf) >= 0) { |
1865 | dosearch = 0; |
1866 | scriptname = cur; |
84902520 |
1867 | #ifdef SEARCH_EXTS |
2a92aaa0 |
1868 | break; |
84902520 |
1869 | #endif |
2a92aaa0 |
1870 | } |
1871 | #ifdef SEARCH_EXTS |
1872 | if (cur == scriptname) { |
1873 | len = strlen(scriptname); |
1874 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) |
1875 | break; |
1876 | cur = strcpy(tokenbuf, scriptname); |
1877 | } |
1878 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ |
1879 | && strcpy(tokenbuf+len, ext[extidx++])); |
1880 | #endif |
1881 | } |
1882 | #endif |
84902520 |
1883 | |
e92c4225 |
1884 | if (dosearch && !strchr(scriptname, '/') |
1885 | #ifdef DOSISH |
1886 | && !strchr(scriptname, '\\') |
1887 | #endif |
5fd9e9a4 |
1888 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 |
1889 | bool seen_dot = 0; |
84902520 |
1890 | |
79072805 |
1891 | bufend = s + strlen(s); |
fc36a67e |
1892 | while (s < bufend) { |
2a92aaa0 |
1893 | #if defined(atarist) || defined(DOSISH) |
1894 | for (len = 0; *s |
1895 | # ifdef atarist |
1896 | && *s != ',' |
1897 | # endif |
1898 | && *s != ';'; len++, s++) { |
fc36a67e |
1899 | if (len < sizeof tokenbuf) |
1900 | tokenbuf[len] = *s; |
1901 | } |
1902 | if (len < sizeof tokenbuf) |
1903 | tokenbuf[len] = '\0'; |
84902520 |
1904 | #else /* ! (atarist || DOSISH) */ |
1905 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, |
1906 | ':', |
1907 | &len); |
1908 | #endif /* ! (atarist || DOSISH) */ |
fc36a67e |
1909 | if (s < bufend) |
79072805 |
1910 | s++; |
fc36a67e |
1911 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1912 | continue; /* don't search dir with too-long name */ |
1913 | if (len |
fc36a67e |
1914 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 |
1915 | && tokenbuf[len - 1] != '/' |
fc36a67e |
1916 | && tokenbuf[len - 1] != '\\' |
79072805 |
1917 | #endif |
fc36a67e |
1918 | ) |
1919 | tokenbuf[len++] = '/'; |
84902520 |
1920 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 |
1921 | seen_dot = 1; |
fc36a67e |
1922 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd |
1923 | #endif /* !VMS */ |
a38d6535 |
1924 | |
1925 | #ifdef SEARCH_EXTS |
1926 | len = strlen(tokenbuf); |
1927 | if (extidx > 0) /* reset after previous loop */ |
1928 | extidx = 0; |
1929 | do { |
1930 | #endif |
760ac839 |
1931 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 |
1932 | retval = Stat(tokenbuf,&statbuf); |
1933 | #ifdef SEARCH_EXTS |
1934 | } while ( retval < 0 /* not there */ |
1935 | && extidx>=0 && ext[extidx] /* try an extension? */ |
1936 | && strcpy(tokenbuf+len, ext[extidx++]) |
1937 | ); |
1938 | #endif |
1939 | if (retval < 0) |
79072805 |
1940 | continue; |
1941 | if (S_ISREG(statbuf.st_mode) |
c90c0ff4 |
1942 | && cando(S_IRUSR,TRUE,&statbuf) |
1943 | #ifndef DOSISH |
1944 | && cando(S_IXUSR,TRUE,&statbuf) |
1945 | #endif |
1946 | ) |
1947 | { |
79072805 |
1948 | xfound = tokenbuf; /* bingo! */ |
1949 | break; |
1950 | } |
1951 | if (!xfailed) |
a0d0e21e |
1952 | xfailed = savepv(tokenbuf); |
79072805 |
1953 | } |
2a92aaa0 |
1954 | #ifndef DOSISH |
1955 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) |
84902520 |
1956 | #endif |
1957 | seen_dot = 1; /* Disable message. */ |
79072805 |
1958 | if (!xfound) |
84902520 |
1959 | croak("Can't %s %s%s%s", |
2a92aaa0 |
1960 | (xfailed ? "execute" : "find"), |
1961 | (xfailed ? xfailed : scriptname), |
1962 | (xfailed ? "" : " on PATH"), |
1963 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); |
79072805 |
1964 | if (xfailed) |
1965 | Safefree(xfailed); |
1966 | scriptname = xfound; |
1967 | } |
1968 | |
96436eeb |
1969 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1970 | char *s = scriptname + 8; |
1971 | fdscript = atoi(s); |
1972 | while (isDIGIT(*s)) |
1973 | s++; |
1974 | if (*s) |
1975 | scriptname = s + 1; |
1976 | } |
1977 | else |
1978 | fdscript = -1; |
ab821d7f |
1979 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 |
1980 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1981 | if (strEQ(origfilename,"-")) |
1982 | scriptname = ""; |
96436eeb |
1983 | if (fdscript >= 0) { |
a868473f |
1984 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb |
1985 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
1986 | if (rsfp) |
1987 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
1988 | #endif |
1989 | } |
1990 | else if (preprocess) { |
46fc3d4c |
1991 | char *cpp_cfg = CPPSTDIN; |
1992 | SV *cpp = NEWSV(0,0); |
1993 | SV *cmd = NEWSV(0,0); |
1994 | |
1995 | if (strEQ(cpp_cfg, "cppstdin")) |
1996 | sv_catpvf(cpp, "%s/", BIN_EXP); |
1997 | sv_catpv(cpp, cpp_cfg); |
79072805 |
1998 | |
79072805 |
1999 | sv_catpv(sv,"-I"); |
fed7345c |
2000 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c |
2001 | |
79072805 |
2002 | #ifdef MSDOS |
46fc3d4c |
2003 | sv_setpvf(cmd, "\ |
79072805 |
2004 | sed %s -e \"/^[^#]/b\" \ |
2005 | -e \"/^#[ ]*include[ ]/b\" \ |
2006 | -e \"/^#[ ]*define[ ]/b\" \ |
2007 | -e \"/^#[ ]*if[ ]/b\" \ |
2008 | -e \"/^#[ ]*ifdef[ ]/b\" \ |
2009 | -e \"/^#[ ]*ifndef[ ]/b\" \ |
2010 | -e \"/^#[ ]*else/b\" \ |
2011 | -e \"/^#[ ]*elif[ ]/b\" \ |
2012 | -e \"/^#[ ]*undef[ ]/b\" \ |
2013 | -e \"/^#[ ]*endif/b\" \ |
2014 | -e \"s/^#.*//\" \ |
fc36a67e |
2015 | %s | %_ -C %_ %s", |
79072805 |
2016 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2017 | #else |
46fc3d4c |
2018 | sv_setpvf(cmd, "\ |
79072805 |
2019 | %s %s -e '/^[^#]/b' \ |
2020 | -e '/^#[ ]*include[ ]/b' \ |
2021 | -e '/^#[ ]*define[ ]/b' \ |
2022 | -e '/^#[ ]*if[ ]/b' \ |
2023 | -e '/^#[ ]*ifdef[ ]/b' \ |
2024 | -e '/^#[ ]*ifndef[ ]/b' \ |
2025 | -e '/^#[ ]*else/b' \ |
2026 | -e '/^#[ ]*elif[ ]/b' \ |
2027 | -e '/^#[ ]*undef[ ]/b' \ |
2028 | -e '/^#[ ]*endif/b' \ |
2029 | -e 's/^[ ]*#.*//' \ |
fc36a67e |
2030 | %s | %_ -C %_ %s", |
79072805 |
2031 | #ifdef LOC_SED |
2032 | LOC_SED, |
2033 | #else |
2034 | "sed", |
2035 | #endif |
2036 | (doextract ? "-e '1,/^#/d\n'" : ""), |
2037 | #endif |
46fc3d4c |
2038 | scriptname, cpp, sv, CPPMINUS); |
79072805 |
2039 | doextract = FALSE; |
2040 | #ifdef IAMSUID /* actually, this is caught earlier */ |
2041 | if (euid != uid && !euid) { /* if running suidperl */ |
2042 | #ifdef HAS_SETEUID |
2043 | (void)seteuid(uid); /* musn't stay setuid root */ |
2044 | #else |
2045 | #ifdef HAS_SETREUID |
85e6fe83 |
2046 | (void)setreuid((Uid_t)-1, uid); |
2047 | #else |
2048 | #ifdef HAS_SETRESUID |
2049 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); |
79072805 |
2050 | #else |
2051 | setuid(uid); |
2052 | #endif |
2053 | #endif |
85e6fe83 |
2054 | #endif |
79072805 |
2055 | if (geteuid() != uid) |
463ee0b2 |
2056 | croak("Can't do seteuid!\n"); |
79072805 |
2057 | } |
2058 | #endif /* IAMSUID */ |
3028581b |
2059 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c |
2060 | SvREFCNT_dec(cmd); |
2061 | SvREFCNT_dec(cpp); |
79072805 |
2062 | } |
2063 | else if (!*scriptname) { |
bbce6d69 |
2064 | forbid_setid("program input from stdin"); |
760ac839 |
2065 | rsfp = PerlIO_stdin(); |
79072805 |
2066 | } |
96436eeb |
2067 | else { |
a868473f |
2068 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb |
2069 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
2070 | if (rsfp) |
2071 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
2072 | #endif |
2073 | } |
5dd60ef7 |
2074 | if (e_tmpname) { |
2075 | e_fp = rsfp; |
2076 | } |
7aa04957 |
2077 | if (!rsfp) { |
13281fa4 |
2078 | #ifdef DOSUID |
a687059c |
2079 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e |
2080 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 |
2081 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c |
2082 | /* try again */ |
3028581b |
2083 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 |
2084 | croak("Can't do setuid\n"); |
13281fa4 |
2085 | } |
2086 | #endif |
2087 | #endif |
463ee0b2 |
2088 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 |
2089 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 |
2090 | } |
79072805 |
2091 | } |
8d063cd8 |
2092 | |
79072805 |
2093 | static void |
8ac85365 |
2094 | validate_suid(char *validarg, char *scriptname) |
79072805 |
2095 | { |
96436eeb |
2096 | int which; |
2097 | |
13281fa4 |
2098 | /* do we need to emulate setuid on scripts? */ |
2099 | |
2100 | /* This code is for those BSD systems that have setuid #! scripts disabled |
2101 | * in the kernel because of a security problem. Merely defining DOSUID |
2102 | * in perl will not fix that problem, but if you have disabled setuid |
2103 | * scripts in the kernel, this will attempt to emulate setuid and setgid |
2104 | * on scripts that have those now-otherwise-useless bits set. The setuid |
27e2fb84 |
2105 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2106 | * discovers that it has opened a setuid script, it calls suidperl with |
2107 | * the same argv that it had. If suidperl finds that the script it has |
2108 | * just opened is NOT setuid root, it sets the effective uid back to the |
2109 | * uid. We don't just make perl setuid root because that loses the |
2110 | * effective uid we had before invoking perl, if it was different from the |
2111 | * uid. |
13281fa4 |
2112 | * |
2113 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must |
2114 | * be defined in suidperl only. suidperl must be setuid root. The |
2115 | * Configure script will set this up for you if you want it. |
2116 | */ |
a687059c |
2117 | |
13281fa4 |
2118 | #ifdef DOSUID |
ea0efc06 |
2119 | dTHR; |
6e72f9df |
2120 | char *s, *s2; |
a0d0e21e |
2121 | |
3028581b |
2122 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 |
2123 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb |
2124 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 |
2125 | I32 len; |
13281fa4 |
2126 | |
a687059c |
2127 | #ifdef IAMSUID |
fe14fcc3 |
2128 | #ifndef HAS_SETREUID |
a687059c |
2129 | /* On this access check to make sure the directories are readable, |
2130 | * there is actually a small window that the user could use to make |
2131 | * filename point to an accessible directory. So there is a faint |
2132 | * chance that someone could execute a setuid script down in a |
2133 | * non-accessible directory. I don't know what to do about that. |
2134 | * But I don't think it's too important. The manual lies when |
2135 | * it says access() is useful in setuid programs. |
2136 | */ |
3028581b |
2137 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 |
2138 | croak("Permission denied"); |
a687059c |
2139 | #else |
2140 | /* If we can swap euid and uid, then we can determine access rights |
2141 | * with a simple stat of the file, and then compare device and |
2142 | * inode to make sure we did stat() on the same file we opened. |
2143 | * Then we just have to make sure he or she can execute it. |
2144 | */ |
2145 | { |
2146 | struct stat tmpstatbuf; |
2147 | |
85e6fe83 |
2148 | if ( |
2149 | #ifdef HAS_SETREUID |
2150 | setreuid(euid,uid) < 0 |
a0d0e21e |
2151 | #else |
2152 | # if HAS_SETRESUID |
85e6fe83 |
2153 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e |
2154 | # endif |
85e6fe83 |
2155 | #endif |
2156 | || getuid() != euid || geteuid() != uid) |
463ee0b2 |
2157 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e |
2158 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 |
2159 | croak("Permission denied"); /* testing full pathname here */ |
a687059c |
2160 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2161 | tmpstatbuf.st_ino != statbuf.st_ino) { |
760ac839 |
2162 | (void)PerlIO_close(rsfp); |
3028581b |
2163 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 |
2164 | PerlIO_printf(rsfp, |
ff0cee69 |
2165 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2166 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", |
2167 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, |
2168 | (long)statbuf.st_dev, (long)statbuf.st_ino, |
463ee0b2 |
2169 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 |
2170 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
3028581b |
2171 | (void)PerlProc_pclose(rsfp); |
a687059c |
2172 | } |
463ee0b2 |
2173 | croak("Permission denied\n"); |
a687059c |
2174 | } |
85e6fe83 |
2175 | if ( |
2176 | #ifdef HAS_SETREUID |
2177 | setreuid(uid,euid) < 0 |
a0d0e21e |
2178 | #else |
2179 | # if defined(HAS_SETRESUID) |
85e6fe83 |
2180 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e |
2181 | # endif |
85e6fe83 |
2182 | #endif |
2183 | || getuid() != uid || geteuid() != euid) |
463ee0b2 |
2184 | croak("Can't reswap uid and euid"); |
27e2fb84 |
2185 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 |
2186 | croak("Permission denied\n"); |
a687059c |
2187 | } |
fe14fcc3 |
2188 | #endif /* HAS_SETREUID */ |
a687059c |
2189 | #endif /* IAMSUID */ |
2190 | |
27e2fb84 |
2191 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 |
2192 | croak("Permission denied"); |
27e2fb84 |
2193 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 |
2194 | croak("Setuid/gid script is writable by world"); |
13281fa4 |
2195 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 |
2196 | curcop->cop_line++; |
760ac839 |
2197 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2198 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ |
463ee0b2 |
2199 | croak("No #! line"); |
760ac839 |
2200 | s = SvPV(linestr,na)+2; |
663a0e37 |
2201 | if (*s == ' ') s++; |
45d8adaa |
2202 | while (!isSPACE(*s)) s++; |
760ac839 |
2203 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df |
2204 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2205 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ |
463ee0b2 |
2206 | croak("Not a perl script"); |
a687059c |
2207 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 |
2208 | /* |
2209 | * #! arg must be what we saw above. They can invoke it by |
2210 | * mentioning suidperl explicitly, but they may not add any strange |
2211 | * arguments beyond what #! says if they do invoke suidperl that way. |
2212 | */ |
2213 | len = strlen(validarg); |
2214 | if (strEQ(validarg," PHOOEY ") || |
45d8adaa |
2215 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 |
2216 | croak("Args must match #! line"); |
a687059c |
2217 | |
2218 | #ifndef IAMSUID |
2219 | if (euid != uid && (statbuf.st_mode & S_ISUID) && |
2220 | euid == statbuf.st_uid) |
2221 | if (!do_undump) |
463ee0b2 |
2222 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2223 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2224 | #endif /* IAMSUID */ |
13281fa4 |
2225 | |
2226 | if (euid) { /* oops, we're not the setuid root perl */ |
760ac839 |
2227 | (void)PerlIO_close(rsfp); |
13281fa4 |
2228 | #ifndef IAMSUID |
46fc3d4c |
2229 | /* try again */ |
3028581b |
2230 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 |
2231 | #endif |
463ee0b2 |
2232 | croak("Can't do setuid\n"); |
13281fa4 |
2233 | } |
2234 | |
83025b21 |
2235 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 |
2236 | #ifdef HAS_SETEGID |
a687059c |
2237 | (void)setegid(statbuf.st_gid); |
2238 | #else |
fe14fcc3 |
2239 | #ifdef HAS_SETREGID |
85e6fe83 |
2240 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2241 | #else |
2242 | #ifdef HAS_SETRESGID |
2243 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); |
a687059c |
2244 | #else |
2245 | setgid(statbuf.st_gid); |
2246 | #endif |
2247 | #endif |
85e6fe83 |
2248 | #endif |
83025b21 |
2249 | if (getegid() != statbuf.st_gid) |
463ee0b2 |
2250 | croak("Can't do setegid!\n"); |
83025b21 |
2251 | } |
a687059c |
2252 | if (statbuf.st_mode & S_ISUID) { |
2253 | if (statbuf.st_uid != euid) |
fe14fcc3 |
2254 | #ifdef HAS_SETEUID |
a687059c |
2255 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2256 | #else |
fe14fcc3 |
2257 | #ifdef HAS_SETREUID |
85e6fe83 |
2258 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2259 | #else |
2260 | #ifdef HAS_SETRESUID |
2261 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); |
a687059c |
2262 | #else |
2263 | setuid(statbuf.st_uid); |
2264 | #endif |
2265 | #endif |
85e6fe83 |
2266 | #endif |
83025b21 |
2267 | if (geteuid() != statbuf.st_uid) |
463ee0b2 |
2268 | croak("Can't do seteuid!\n"); |
a687059c |
2269 | } |
83025b21 |
2270 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 |
2271 | #ifdef HAS_SETEUID |
85e6fe83 |
2272 | (void)seteuid((Uid_t)uid); |
a687059c |
2273 | #else |
fe14fcc3 |
2274 | #ifdef HAS_SETREUID |
85e6fe83 |
2275 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c |
2276 | #else |
85e6fe83 |
2277 | #ifdef HAS_SETRESUID |
2278 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); |
2279 | #else |
2280 | setuid((Uid_t)uid); |
2281 | #endif |
a687059c |
2282 | #endif |
2283 | #endif |
83025b21 |
2284 | if (geteuid() != uid) |
463ee0b2 |
2285 | croak("Can't do seteuid!\n"); |
83025b21 |
2286 | } |
748a9306 |
2287 | init_ids(); |
27e2fb84 |
2288 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 |
2289 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 |
2290 | } |
2291 | #ifdef IAMSUID |
2292 | else if (preprocess) |
463ee0b2 |
2293 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb |
2294 | else if (fdscript >= 0) |
2295 | croak("fd script not allowed in suidperl\n"); |
13281fa4 |
2296 | else |
463ee0b2 |
2297 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb |
2298 | |
2299 | /* We absolutely must clear out any saved ids here, so we */ |
2300 | /* exec the real perl, substituting fd script for scriptname. */ |
2301 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ |
760ac839 |
2302 | PerlIO_rewind(rsfp); |
3028581b |
2303 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb |
2304 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2305 | if (!origargv[which]) |
2306 | croak("Permission denied"); |
46fc3d4c |
2307 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2308 | PerlIO_fileno(rsfp), origargv[which])); |
96436eeb |
2309 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 |
2310 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb |
2311 | #endif |
3028581b |
2312 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb |
2313 | croak("Can't do setuid\n"); |
13281fa4 |
2314 | #endif /* IAMSUID */ |
a687059c |
2315 | #else /* !DOSUID */ |
a687059c |
2316 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2317 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 |
2318 | dTHR; |
3028581b |
2319 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c |
2320 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2321 | || |
2322 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
2323 | ) |
2324 | if (!do_undump) |
463ee0b2 |
2325 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2326 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2327 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
2328 | /* not set-id, must be wrapped */ |
a687059c |
2329 | } |
13281fa4 |
2330 | #endif /* DOSUID */ |
79072805 |
2331 | } |
13281fa4 |
2332 | |
79072805 |
2333 | static void |
8ac85365 |
2334 | find_beginning(void) |
79072805 |
2335 | { |
6e72f9df |
2336 | register char *s, *s2; |
33b78306 |
2337 | |
2338 | /* skip forward in input to the real script? */ |
2339 | |
bbce6d69 |
2340 | forbid_setid("-x"); |
33b78306 |
2341 | while (doextract) { |
79072805 |
2342 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 |
2343 | croak("No Perl script found in input\n"); |
6e72f9df |
2344 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 |
2345 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 |
2346 | doextract = FALSE; |
6e72f9df |
2347 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2348 | s2 = s; |
2349 | while (*s == ' ' || *s == '\t') s++; |
2350 | if (*s++ == '-') { |
2351 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; |
2352 | if (strnEQ(s2-4,"perl",4)) |
2353 | /*SUPPRESS 530*/ |
2354 | while (s = moreswitches(s)) ; |
33b78306 |
2355 | } |
3028581b |
2356 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 |
2357 | croak("Can't chdir to %s",cddir); |
83025b21 |
2358 | } |
2359 | } |
2360 | } |
2361 | |
79072805 |
2362 | static void |
8ac85365 |
2363 | init_ids(void) |
352d5a3a |
2364 | { |
748a9306 |
2365 | uid = (int)getuid(); |
2366 | euid = (int)geteuid(); |
2367 | gid = (int)getgid(); |
2368 | egid = (int)getegid(); |
2369 | #ifdef VMS |
2370 | uid |= gid << 16; |
2371 | euid |= egid << 16; |
2372 | #endif |
4633a7c4 |
2373 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 |
2374 | } |
79072805 |
2375 | |
748a9306 |
2376 | static void |
8ac85365 |
2377 | forbid_setid(char *s) |
bbce6d69 |
2378 | { |
2379 | if (euid != uid) |
2380 | croak("No %s allowed while running setuid", s); |
2381 | if (egid != gid) |
2382 | croak("No %s allowed while running setgid", s); |
2383 | } |
2384 | |
2385 | static void |
8ac85365 |
2386 | init_debugger(void) |
748a9306 |
2387 | { |
11343788 |
2388 | dTHR; |
79072805 |
2389 | curstash = debstash; |
748a9306 |
2390 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 |
2391 | AvREAL_off(dbargs); |
a0d0e21e |
2392 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2393 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); |
748a9306 |
2394 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2395 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2396 | sv_setiv(DBsingle, 0); |
748a9306 |
2397 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2398 | sv_setiv(DBtrace, 0); |
748a9306 |
2399 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2400 | sv_setiv(DBsignal, 0); |
79072805 |
2401 | curstash = defstash; |
352d5a3a |
2402 | } |
2403 | |
2ce36478 |
2404 | #ifndef STRESS_REALLOC |
2405 | #define REASONABLE(size) (size) |
2406 | #else |
2407 | #define REASONABLE(size) (1) /* unreasonable */ |
2408 | #endif |
2409 | |
11343788 |
2410 | void |
8ac85365 |
2411 | init_stacks(ARGSproto) |
79072805 |
2412 | { |
6e72f9df |
2413 | curstack = newAV(); |
5f05dabc |
2414 | mainstack = curstack; /* remember in case we switch stacks */ |
2415 | AvREAL_off(curstack); /* not a real array */ |
2ce36478 |
2416 | av_extend(curstack,REASONABLE(127)); |
79072805 |
2417 | |
6e72f9df |
2418 | stack_base = AvARRAY(curstack); |
79072805 |
2419 | stack_sp = stack_base; |
2ce36478 |
2420 | stack_max = stack_base + REASONABLE(127); |
79072805 |
2421 | |
2ce36478 |
2422 | /* Use most of 8K. */ |
2423 | cxstack_max = REASONABLE(8192 / sizeof(PERL_CONTEXT) - 2); |
c09156bb |
2424 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); |
8990e307 |
2425 | cxstack_ix = -1; |
8990e307 |
2426 | |
2ce36478 |
2427 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 |
2428 | tmps_floor = -1; |
8990e307 |
2429 | tmps_ix = -1; |
2ce36478 |
2430 | tmps_max = REASONABLE(128); |
8990e307 |
2431 | |
5f05dabc |
2432 | /* |
2433 | * The following stacks almost certainly should be per-interpreter, |
2434 | * but for now they're not. XXX |
2435 | */ |
2436 | |
6e72f9df |
2437 | if (markstack) { |
2438 | markstack_ptr = markstack; |
2439 | } else { |
2ce36478 |
2440 | New(54,markstack,REASONABLE(32),I32); |
6e72f9df |
2441 | markstack_ptr = markstack; |
2ce36478 |
2442 | markstack_max = markstack + REASONABLE(32); |
6e72f9df |
2443 | } |
79072805 |
2444 | |
6e72f9df |
2445 | if (scopestack) { |
2446 | scopestack_ix = 0; |
2447 | } else { |
2ce36478 |
2448 | New(54,scopestack,REASONABLE(32),I32); |
6e72f9df |
2449 | scopestack_ix = 0; |
2ce36478 |
2450 | scopestack_max = REASONABLE(32); |
6e72f9df |
2451 | } |
79072805 |
2452 | |
6e72f9df |
2453 | if (savestack) { |
2454 | savestack_ix = 0; |
2455 | } else { |
2ce36478 |
2456 | New(54,savestack,REASONABLE(128),ANY); |
6e72f9df |
2457 | savestack_ix = 0; |
2ce36478 |
2458 | savestack_max = REASONABLE(128); |
6e72f9df |
2459 | } |
79072805 |
2460 | |
6e72f9df |
2461 | if (retstack) { |
2462 | retstack_ix = 0; |
2463 | } else { |
2ce36478 |
2464 | New(54,retstack,REASONABLE(16),OP*); |
6e72f9df |
2465 | retstack_ix = 0; |
2ce36478 |
2466 | retstack_max = REASONABLE(16); |
5f05dabc |
2467 | } |
378cc40b |
2468 | } |
33b78306 |
2469 | |
2ce36478 |
2470 | #undef REASONABLE |
2471 | |
6e72f9df |
2472 | static void |
8ac85365 |
2473 | nuke_stacks(void) |
6e72f9df |
2474 | { |
e858de61 |
2475 | dTHR; |
6e72f9df |
2476 | Safefree(cxstack); |
2477 | Safefree(tmps_stack); |
5f05dabc |
2478 | DEBUG( { |
2479 | Safefree(debname); |
2480 | Safefree(debdelim); |
2481 | } ) |
378cc40b |
2482 | } |
33b78306 |
2483 | |
760ac839 |
2484 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 |
2485 | |
79072805 |
2486 | static void |
8ac85365 |
2487 | init_lexer(void) |
8990e307 |
2488 | { |
a0d0e21e |
2489 | tmpfp = rsfp; |
90248788 |
2490 | rsfp = Nullfp; |
8990e307 |
2491 | lex_start(linestr); |
2492 | rsfp = tmpfp; |
2493 | subname = newSVpv("main",4); |
2494 | } |
2495 | |
2496 | static void |
8ac85365 |
2497 | init_predump_symbols(void) |
45d8adaa |
2498 | { |
11343788 |
2499 | dTHR; |
93a17b20 |
2500 | GV *tmpgv; |
a0d0e21e |
2501 | GV *othergv; |
79072805 |
2502 | |
e1c148c2 |
2503 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 |
2504 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 |
2505 | GvMULTI_on(stdingv); |
760ac839 |
2506 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 |
2507 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 |
2508 | GvMULTI_on(tmpgv); |
a0d0e21e |
2509 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 |
2510 | |
85e6fe83 |
2511 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 |
2512 | GvMULTI_on(tmpgv); |
760ac839 |
2513 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 |
2514 | setdefout(tmpgv); |
adbc6bb1 |
2515 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 |
2516 | GvMULTI_on(tmpgv); |
a0d0e21e |
2517 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 |
2518 | |
a0d0e21e |
2519 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 |
2520 | GvMULTI_on(othergv); |
760ac839 |
2521 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 |
2522 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 |
2523 | GvMULTI_on(tmpgv); |
a0d0e21e |
2524 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 |
2525 | |
2526 | statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f |
2527 | |
6e72f9df |
2528 | if (!osname) |
2529 | osname = savepv(OSNAME); |
79072805 |
2530 | } |
33b78306 |
2531 | |
79072805 |
2532 | static void |
8ac85365 |
2533 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 |
2534 | { |
a863c7d1 |
2535 | dTHR; |
79072805 |
2536 | char *s; |
2537 | SV *sv; |
2538 | GV* tmpgv; |
fe14fcc3 |
2539 | |
79072805 |
2540 | argc--,argv++; /* skip name of script */ |
2541 | if (doswitches) { |
2542 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2543 | if (!argv[0][1]) |
2544 | break; |
2545 | if (argv[0][1] == '-') { |
2546 | argc--,argv++; |
2547 | break; |
2548 | } |
93a17b20 |
2549 | if (s = strchr(argv[0], '=')) { |
79072805 |
2550 | *s++ = '\0'; |
85e6fe83 |
2551 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 |
2552 | } |
2553 | else |
85e6fe83 |
2554 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 |
2555 | } |
79072805 |
2556 | } |
2557 | toptarget = NEWSV(0,0); |
2558 | sv_upgrade(toptarget, SVt_PVFM); |
2559 | sv_setpvn(toptarget, "", 0); |
748a9306 |
2560 | bodytarget = NEWSV(0,0); |
79072805 |
2561 | sv_upgrade(bodytarget, SVt_PVFM); |
2562 | sv_setpvn(bodytarget, "", 0); |
2563 | formtarget = bodytarget; |
2564 | |
bbce6d69 |
2565 | TAINT; |
85e6fe83 |
2566 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 |
2567 | sv_setpv(GvSV(tmpgv),origfilename); |
2568 | magicname("0", "0", 1); |
2569 | } |
85e6fe83 |
2570 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 |
2571 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 |
2572 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 |
2573 | GvMULTI_on(argvgv); |
79072805 |
2574 | (void)gv_AVadd(argvgv); |
2575 | av_clear(GvAVn(argvgv)); |
2576 | for (; argc > 0; argc--,argv++) { |
a0d0e21e |
2577 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 |
2578 | } |
2579 | } |
85e6fe83 |
2580 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 |
2581 | HV *hv; |
a5f75d66 |
2582 | GvMULTI_on(envgv); |
79072805 |
2583 | hv = GvHVn(envgv); |
5aabfad6 |
2584 | hv_magic(hv, envgv, 'E'); |
a0d0e21e |
2585 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 |
2586 | /* Note that if the supplied env parameter is actually a copy |
2587 | of the global environ then it may now point to free'd memory |
2588 | if the environment has been modified since. To avoid this |
2589 | problem we treat env==NULL as meaning 'use the default' |
2590 | */ |
2591 | if (!env) |
2592 | env = environ; |
5aabfad6 |
2593 | if (env != environ) |
79072805 |
2594 | environ[0] = Nullch; |
2595 | for (; *env; env++) { |
93a17b20 |
2596 | if (!(s = strchr(*env,'='))) |
79072805 |
2597 | continue; |
2598 | *s++ = '\0'; |
39e571d4 |
2599 | #if defined(WIN32) || defined(MSDOS) |
137443ea |
2600 | (void)strupr(*env); |
2601 | #endif |
79072805 |
2602 | sv = newSVpv(s--,0); |
2603 | (void)hv_store(hv, *env, s - *env, sv, 0); |
2604 | *s = '='; |
3e3baf6d |
2605 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2606 | /* Sins of the RTL. See note in my_setenv(). */ |
5fd9e9a4 |
2607 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d |
2608 | #endif |
fe14fcc3 |
2609 | } |
4550b24a |
2610 | #endif |
2611 | #ifdef DYNAMIC_ENV_FETCH |
2612 | HvNAME(hv) = savepv(ENV_HV_NAME); |
2613 | #endif |
79072805 |
2614 | } |
bbce6d69 |
2615 | TAINT_NOT; |
85e6fe83 |
2616 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 |
2617 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 |
2618 | } |
34de22dd |
2619 | |
79072805 |
2620 | static void |
8ac85365 |
2621 | init_perllib(void) |
34de22dd |
2622 | { |
85e6fe83 |
2623 | char *s; |
2624 | if (!tainting) { |
552a7a9b |
2625 | #ifndef VMS |
5fd9e9a4 |
2626 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 |
2627 | if (s) |
774d564b |
2628 | incpush(s, TRUE); |
85e6fe83 |
2629 | else |
5fd9e9a4 |
2630 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b |
2631 | #else /* VMS */ |
2632 | /* Treat PERL5?LIB as a possible search list logical name -- the |
2633 | * "natural" VMS idiom for a Unix path string. We allow each |
2634 | * element to be a set of |-separated directories for compatibility. |
2635 | */ |
2636 | char buf[256]; |
2637 | int idx = 0; |
2638 | if (my_trnlnm("PERL5LIB",buf,0)) |
774d564b |
2639 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b |
2640 | else |
774d564b |
2641 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b |
2642 | #endif /* VMS */ |
85e6fe83 |
2643 | } |
34de22dd |
2644 | |
c90c0ff4 |
2645 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c |
2646 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 |
2647 | */ |
4633a7c4 |
2648 | #ifdef APPLLIB_EXP |
774d564b |
2649 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 |
2650 | #endif |
4633a7c4 |
2651 | |
fed7345c |
2652 | #ifdef ARCHLIB_EXP |
774d564b |
2653 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e |
2654 | #endif |
fed7345c |
2655 | #ifndef PRIVLIB_EXP |
2656 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd |
2657 | #endif |
774d564b |
2658 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 |
2659 | |
2660 | #ifdef SITEARCH_EXP |
774d564b |
2661 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 |
2662 | #endif |
2663 | #ifdef SITELIB_EXP |
774d564b |
2664 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 |
2665 | #endif |
4633a7c4 |
2666 | if (!tainting) |
774d564b |
2667 | incpush(".", FALSE); |
2668 | } |
2669 | |
2670 | #if defined(DOSISH) |
2671 | # define PERLLIB_SEP ';' |
2672 | #else |
2673 | # if defined(VMS) |
2674 | # define PERLLIB_SEP '|' |
2675 | # else |
2676 | # define PERLLIB_SEP ':' |
2677 | # endif |
2678 | #endif |
2679 | #ifndef PERLLIB_MANGLE |
2680 | # define PERLLIB_MANGLE(s,n) (s) |
2681 | #endif |
2682 | |
2683 | static void |
8ac85365 |
2684 | incpush(char *p, int addsubdirs) |
774d564b |
2685 | { |
2686 | SV *subdir = Nullsv; |
2687 | static char *archpat_auto; |
2688 | |
2689 | if (!p) |
2690 | return; |
2691 | |
2692 | if (addsubdirs) { |
8c52afec |
2693 | subdir = NEWSV(55,0); |
774d564b |
2694 | if (!archpat_auto) { |
2695 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) |
2696 | + sizeof("//auto")); |
2697 | New(55, archpat_auto, len, char); |
2698 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); |
aa689395 |
2699 | #ifdef VMS |
2700 | for (len = sizeof(ARCHNAME) + 2; |
2701 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) |
2702 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; |
2703 | #endif |
774d564b |
2704 | } |
2705 | } |
2706 | |
2707 | /* Break at all separators */ |
2708 | while (p && *p) { |
8c52afec |
2709 | SV *libdir = NEWSV(55,0); |
774d564b |
2710 | char *s; |
2711 | |
2712 | /* skip any consecutive separators */ |
2713 | while ( *p == PERLLIB_SEP ) { |
2714 | /* Uncomment the next line for PATH semantics */ |
2715 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ |
2716 | p++; |
2717 | } |
2718 | |
2719 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
2720 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
2721 | (STRLEN)(s - p)); |
2722 | p = s + 1; |
2723 | } |
2724 | else { |
2725 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); |
2726 | p = Nullch; /* break out */ |
2727 | } |
2728 | |
2729 | /* |
2730 | * BEFORE pushing libdir onto @INC we may first push version- and |
2731 | * archname-specific sub-directories. |
2732 | */ |
2733 | if (addsubdirs) { |
2734 | struct stat tmpstatbuf; |
aa689395 |
2735 | #ifdef VMS |
2736 | char *unix; |
2737 | STRLEN len; |
774d564b |
2738 | |
aa689395 |
2739 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2740 | len = strlen(unix); |
2741 | while (unix[len-1] == '/') len--; /* Cosmetic */ |
2742 | sv_usepvn(libdir,unix,len); |
2743 | } |
2744 | else |
2745 | PerlIO_printf(PerlIO_stderr(), |
2746 | "Failed to unixify @INC element \"%s\"\n", |
2747 | SvPV(libdir,na)); |
2748 | #endif |
4fdae800 |
2749 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b |
2750 | sv_setsv(subdir, libdir); |
2751 | sv_catpv(subdir, archpat_auto); |
2752 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
2753 | S_ISDIR(tmpstatbuf.st_mode)) |
2754 | av_push(GvAVn(incgv), |
2755 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2756 | |
4fdae800 |
2757 | /* .../archname if -d .../archname/auto */ |
774d564b |
2758 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2759 | strlen(patchlevel) + 1, "", 0); |
2760 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
2761 | S_ISDIR(tmpstatbuf.st_mode)) |
2762 | av_push(GvAVn(incgv), |
2763 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2764 | } |
2765 | |
2766 | /* finally push this lib directory on the end of @INC */ |
2767 | av_push(GvAVn(incgv), libdir); |
2768 | } |
2769 | |
2770 | SvREFCNT_dec(subdir); |
34de22dd |
2771 | } |
93a17b20 |
2772 | |
199100c8 |
2773 | #ifdef USE_THREADS |
52e1cb5e |
2774 | static struct perl_thread * |
199100c8 |
2775 | init_main_thread() |
2776 | { |
52e1cb5e |
2777 | struct perl_thread *thr; |
199100c8 |
2778 | XPV *xpv; |
2779 | |
52e1cb5e |
2780 | Newz(53, thr, 1, struct perl_thread); |
199100c8 |
2781 | curcop = &compiling; |
2782 | thr->cvcache = newHV(); |
54b9620d |
2783 | thr->threadsv = newAV(); |
940cb80d |
2784 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 |
2785 | thr->specific = newAV(); |
38a03e6e |
2786 | thr->errhv = newHV(); |
199100c8 |
2787 | thr->flags = THRf_R_JOINABLE; |
2788 | MUTEX_INIT(&thr->mutex); |
2789 | /* Handcraft thrsv similarly to mess_sv */ |
2790 | New(53, thrsv, 1, SV); |
2791 | Newz(53, xpv, 1, XPV); |
2792 | SvFLAGS(thrsv) = SVt_PV; |
2793 | SvANY(thrsv) = (void*)xpv; |
2794 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ |
2795 | SvPVX(thrsv) = (char*)thr; |
2796 | SvCUR_set(thrsv, sizeof(thr)); |
2797 | SvLEN_set(thrsv, sizeof(thr)); |
2798 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ |
2799 | thr->oursv = thrsv; |
2800 | curcop = &compiling; |
2801 | chopset = " \n-"; |
2802 | |
2803 | MUTEX_LOCK(&threads_mutex); |
2804 | nthreads++; |
2805 | thr->tid = 0; |
2806 | thr->next = thr; |
2807 | thr->prev = thr; |
2808 | MUTEX_UNLOCK(&threads_mutex); |
2809 | |
4b026b9e |
2810 | #ifdef HAVE_THREAD_INTERN |
2811 | init_thread_intern(thr); |
235db74f |
2812 | #endif |
2813 | |
2814 | #ifdef SET_THREAD_SELF |
2815 | SET_THREAD_SELF(thr); |
199100c8 |
2816 | #else |
2817 | thr->self = pthread_self(); |
235db74f |
2818 | #endif /* SET_THREAD_SELF */ |
199100c8 |
2819 | SET_THR(thr); |
2820 | |
2821 | /* |
2822 | * These must come after the SET_THR because sv_setpvn does |
2823 | * SvTAINT and the taint fields require dTHR. |
2824 | */ |
2825 | toptarget = NEWSV(0,0); |
2826 | sv_upgrade(toptarget, SVt_PVFM); |
2827 | sv_setpvn(toptarget, "", 0); |
2828 | bodytarget = NEWSV(0,0); |
2829 | sv_upgrade(bodytarget, SVt_PVFM); |
2830 | sv_setpvn(bodytarget, "", 0); |
2831 | formtarget = bodytarget; |
2faa37cc |
2832 | thr->errsv = newSVpv("", 0); |
78857c3c |
2833 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 |
2834 | return thr; |
2835 | } |
2836 | #endif /* USE_THREADS */ |
2837 | |
93a17b20 |
2838 | void |
8ac85365 |
2839 | call_list(I32 oldscope, AV *list) |
93a17b20 |
2840 | { |
11343788 |
2841 | dTHR; |
a0d0e21e |
2842 | line_t oldline = curcop->cop_line; |
22921e25 |
2843 | STRLEN len; |
2844 | dJMPENV; |
2845 | int ret; |
93a17b20 |
2846 | |
93965878 |
2847 | while (AvFILL(list) >= 0) { |
8990e307 |
2848 | CV *cv = (CV*)av_shift(list); |
93a17b20 |
2849 | |
8990e307 |
2850 | SAVEFREESV(cv); |
a0d0e21e |
2851 | |
22921e25 |
2852 | JMPENV_PUSH(ret); |
2853 | switch (ret) { |
748a9306 |
2854 | case 0: { |
38a03e6e |
2855 | SV* atsv = ERRSV; |
748a9306 |
2856 | PUSHMARK(stack_sp); |
2857 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); |
12f917ad |
2858 | (void)SvPV(atsv, len); |
748a9306 |
2859 | if (len) { |
54310121 |
2860 | JMPENV_POP; |
748a9306 |
2861 | curcop = &compiling; |
2862 | curcop->cop_line = oldline; |
2863 | if (list == beginav) |
12f917ad |
2864 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 |
2865 | else |
12f917ad |
2866 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 |
2867 | while (scopestack_ix > oldscope) |
2868 | LEAVE; |
12f917ad |
2869 | croak("%s", SvPVX(atsv)); |
748a9306 |
2870 | } |
a0d0e21e |
2871 | } |
85e6fe83 |
2872 | break; |
2873 | case 1: |
f86702cc |
2874 | STATUS_ALL_FAILURE; |
85e6fe83 |
2875 | /* FALL THROUGH */ |
2876 | case 2: |
2877 | /* my_exit() was called */ |
2ae324a7 |
2878 | while (scopestack_ix > oldscope) |
2879 | LEAVE; |
84902520 |
2880 | FREETMPS; |
85e6fe83 |
2881 | curstash = defstash; |
2882 | if (endav) |
68dc0745 |
2883 | call_list(oldscope, endav); |
54310121 |
2884 | JMPENV_POP; |
a0d0e21e |
2885 | curcop = &compiling; |
2886 | curcop->cop_line = oldline; |
85e6fe83 |
2887 | if (statusvalue) { |
2888 | if (list == beginav) |
a0d0e21e |
2889 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 |
2890 | else |
a0d0e21e |
2891 | croak("END failed--cleanup aborted"); |
85e6fe83 |
2892 | } |
f86702cc |
2893 | my_exit_jump(); |
85e6fe83 |
2894 | /* NOTREACHED */ |
85e6fe83 |
2895 | case 3: |
2896 | if (!restartop) { |
760ac839 |
2897 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
2898 | FREETMPS; |
85e6fe83 |
2899 | break; |
2900 | } |
54310121 |
2901 | JMPENV_POP; |
a0d0e21e |
2902 | curcop = &compiling; |
2903 | curcop->cop_line = oldline; |
54310121 |
2904 | JMPENV_JUMP(3); |
8990e307 |
2905 | } |
54310121 |
2906 | JMPENV_POP; |
93a17b20 |
2907 | } |
93a17b20 |
2908 | } |
93a17b20 |
2909 | |
f86702cc |
2910 | void |
8ac85365 |
2911 | my_exit(U32 status) |
f86702cc |
2912 | { |
5dc0d613 |
2913 | dTHR; |
2914 | |
2915 | #ifdef USE_THREADS |
a863c7d1 |
2916 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2917 | thr, (unsigned long) status)); |
5dc0d613 |
2918 | #endif /* USE_THREADS */ |
f86702cc |
2919 | switch (status) { |
2920 | case 0: |
2921 | STATUS_ALL_SUCCESS; |
2922 | break; |
2923 | case 1: |
2924 | STATUS_ALL_FAILURE; |
2925 | break; |
2926 | default: |
2927 | STATUS_NATIVE_SET(status); |
2928 | break; |
2929 | } |
2930 | my_exit_jump(); |
2931 | } |
2932 | |
2933 | void |
8ac85365 |
2934 | my_failure_exit(void) |
f86702cc |
2935 | { |
2936 | #ifdef VMS |
2937 | if (vaxc$errno & 1) { |
4fdae800 |
2938 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2939 | STATUS_NATIVE_SET(44); |
f86702cc |
2940 | } |
2941 | else { |
ff0cee69 |
2942 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 |
2943 | STATUS_NATIVE_SET(44); |
f86702cc |
2944 | else |
4fdae800 |
2945 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc |
2946 | } |
2947 | #else |
2948 | if (errno & 255) |
2949 | STATUS_POSIX_SET(errno); |
2950 | else if (STATUS_POSIX == 0) |
2951 | STATUS_POSIX_SET(255); |
2952 | #endif |
2953 | my_exit_jump(); |
93a17b20 |
2954 | } |
2955 | |
f86702cc |
2956 | static void |
8ac85365 |
2957 | my_exit_jump(void) |
f86702cc |
2958 | { |
e858de61 |
2959 | dTHR; |
c09156bb |
2960 | register PERL_CONTEXT *cx; |
f86702cc |
2961 | I32 gimme; |
2962 | SV **newsp; |
2963 | |
2964 | if (e_tmpname) { |
2965 | if (e_fp) { |
2966 | PerlIO_close(e_fp); |
2967 | e_fp = Nullfp; |
2968 | } |
2969 | (void)UNLINK(e_tmpname); |
2970 | Safefree(e_tmpname); |
2971 | e_tmpname = Nullch; |
2972 | } |
2973 | |
2974 | if (cxstack_ix >= 0) { |
2975 | if (cxstack_ix > 0) |
2976 | dounwind(0); |
2977 | POPBLOCK(cx,curpm); |
2978 | LEAVE; |
2979 | } |
ff0cee69 |
2980 | |
54310121 |
2981 | JMPENV_JUMP(2); |
f86702cc |
2982 | } |
4e35701f |
2983 | |
aeea060c |
2984 | |
22239a37 |
2985 | |