Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
9607fc9c | 3 | * Copyright (c) 1987-1997 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
71be2cbc | 27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 28 | |
a687059c LW |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID | |
31 | #define DOSUID | |
32 | #endif | |
33 | #endif | |
378cc40b | 34 | |
a687059c LW |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID | |
37 | #undef DOSUID | |
38 | #endif | |
39 | #endif | |
8d063cd8 | 40 | |
8ebc5c01 | 41 | #define I_REINIT \ |
42 | STMT_START { \ | |
43 | chopset = " \n-"; \ | |
44 | copline = NOLINE; \ | |
45 | curcop = &compiling; \ | |
46 | curcopdb = NULL; \ | |
47 | cxstack_ix = -1; \ | |
48 | cxstack_max = 128; \ | |
49 | dbargs = 0; \ | |
50 | dlmax = 128; \ | |
51 | laststatval = -1; \ | |
52 | laststype = OP_STAT; \ | |
53 | maxscream = -1; \ | |
54 | maxsysfd = MAXSYSFD; \ | |
55 | statname = Nullsv; \ | |
56 | tmps_floor = -1; \ | |
57 | tmps_ix = -1; \ | |
58 | op_mask = NULL; \ | |
59 | dlmax = 128; \ | |
60 | laststatval = -1; \ | |
61 | laststype = OP_STAT; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
199100c8 MB |
72 | #ifdef USE_THREADS |
73 | static struct thread * init_main_thread _((void)); | |
74 | #endif /* USE_THREADS */ | |
a0d0e21e LW |
75 | static void init_perllib _((void)); |
76 | static void init_postdump_symbols _((int, char **, char **)); | |
77 | static void init_predump_symbols _((void)); | |
f86702cc | 78 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 79 | static void nuke_stacks _((void)); |
a0d0e21e | 80 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 81 | static void usage _((char *)); |
96436eeb | 82 | static void validate_suid _((char *, char*)); |
83 | ||
84 | static int fdscript = -1; | |
79072805 | 85 | |
77a005ab MB |
86 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
87 | #include <asm/sigcontext.h> | |
88 | static void | |
89 | catch_sigsegv(int signo, struct sigcontext_struct sc) | |
90 | { | |
91 | signal(SIGSEGV, SIG_DFL); | |
92 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" | |
93 | "return_address = 0x%lx, eip = 0x%lx\n", | |
94 | sc.cr2, __builtin_return_address(0), sc.eip); | |
95 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); | |
96 | } | |
97 | #endif | |
98 | ||
93a17b20 | 99 | PerlInterpreter * |
8ac85365 | 100 | perl_alloc(void) |
79072805 | 101 | { |
93a17b20 | 102 | PerlInterpreter *sv_interp; |
79072805 | 103 | |
8990e307 | 104 | curinterp = 0; |
93a17b20 | 105 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
106 | return sv_interp; |
107 | } | |
108 | ||
109 | void | |
8ac85365 | 110 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 111 | { |
a863c7d1 MB |
112 | #ifdef USE_THREADS |
113 | int i; | |
114 | #ifndef FAKE_THREADS | |
11343788 | 115 | struct thread *thr; |
a863c7d1 MB |
116 | #endif /* FAKE_THREADS */ |
117 | #endif /* USE_THREADS */ | |
11343788 | 118 | |
79072805 LW |
119 | if (!(curinterp = sv_interp)) |
120 | return; | |
121 | ||
8990e307 | 122 | #ifdef MULTIPLICITY |
93a17b20 | 123 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 124 | #endif |
79072805 | 125 | |
33f46ff6 | 126 | /* Init the real globals (and main thread)? */ |
c116a00c | 127 | if (!linestr) { |
11343788 | 128 | #ifdef USE_THREADS |
8023c3ce | 129 | |
33f46ff6 | 130 | INIT_THREADS; |
d55594ae GS |
131 | #ifdef ALLOC_THREAD_KEY |
132 | ALLOC_THREAD_KEY; | |
133 | #else | |
a863c7d1 MB |
134 | if (pthread_key_create(&thr_key, 0)) |
135 | croak("panic: pthread_key_create"); | |
d55594ae | 136 | #endif |
c116a00c MB |
137 | MUTEX_INIT(&malloc_mutex); |
138 | MUTEX_INIT(&sv_mutex); | |
a863c7d1 MB |
139 | /* |
140 | * Safe to use basic SV functions from now on (though | |
141 | * not things like mortals or tainting yet). | |
142 | */ | |
c116a00c MB |
143 | MUTEX_INIT(&eval_mutex); |
144 | COND_INIT(&eval_cond); | |
33f46ff6 | 145 | MUTEX_INIT(&threads_mutex); |
c116a00c | 146 | COND_INIT(&nthreads_cond); |
a863c7d1 | 147 | |
199100c8 | 148 | thr = init_main_thread(); |
11343788 MB |
149 | #endif /* USE_THREADS */ |
150 | ||
79072805 | 151 | linestr = NEWSV(65,80); |
ed6116ce | 152 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 153 | |
6e72f9df | 154 | if (!SvREADONLY(&sv_undef)) { |
155 | SvREADONLY_on(&sv_undef); | |
79072805 | 156 | |
6e72f9df | 157 | sv_setpv(&sv_no,No); |
158 | SvNV(&sv_no); | |
159 | SvREADONLY_on(&sv_no); | |
79072805 | 160 | |
6e72f9df | 161 | sv_setpv(&sv_yes,Yes); |
162 | SvNV(&sv_yes); | |
163 | SvREADONLY_on(&sv_yes); | |
164 | } | |
79072805 | 165 | |
c07a80fd | 166 | nrs = newSVpv("\n", 1); |
167 | rs = SvREFCNT_inc(nrs); | |
168 | ||
c23142e2 | 169 | sighandlerp = sighandler; |
44a8e56a | 170 | pidstatus = newHV(); |
171 | ||
79072805 LW |
172 | #ifdef MSDOS |
173 | /* | |
174 | * There is no way we can refer to them from Perl so close them to save | |
175 | * space. The other alternative would be to provide STDAUX and STDPRN | |
176 | * filehandles. | |
177 | */ | |
178 | (void)fclose(stdaux); | |
179 | (void)fclose(stdprn); | |
180 | #endif | |
181 | } | |
182 | ||
8990e307 | 183 | #ifdef MULTIPLICITY |
8ebc5c01 | 184 | I_REINIT; |
185 | perl_destruct_level = 1; | |
186 | #else | |
187 | if(perl_destruct_level > 0) | |
188 | I_REINIT; | |
79072805 LW |
189 | #endif |
190 | ||
748a9306 | 191 | init_ids(); |
fb73857a | 192 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 193 | |
54310121 | 194 | start_env.je_prev = NULL; |
195 | start_env.je_ret = -1; | |
196 | start_env.je_mustcatch = TRUE; | |
197 | top_env = &start_env; | |
f86702cc | 198 | STATUS_ALL_SUCCESS; |
199 | ||
36477c24 | 200 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 201 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 202 | sprintf(patchlevel, "%7.5f", (double) 5 |
203 | + ((double) PATCHLEVEL / (double) 1000) | |
204 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 205 | #else |
e2666263 | 206 | sprintf(patchlevel, "%5.3f", (double) 5 + |
207 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 208 | #endif |
79072805 | 209 | |
ab821d7f | 210 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 211 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 212 | #endif |
213 | ||
760ac839 LW |
214 | PerlIO_init(); /* Hook to IO system */ |
215 | ||
79072805 | 216 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 217 | |
11343788 MB |
218 | init_stacks(ARGS); |
219 | DEBUG( { | |
220 | New(51,debname,128,char); | |
221 | New(52,debdelim,128,char); | |
222 | } ) | |
223 | ||
8990e307 | 224 | ENTER; |
79072805 LW |
225 | } |
226 | ||
227 | void | |
8ac85365 | 228 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 229 | { |
11343788 | 230 | dTHR; |
748a9306 | 231 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 232 | I32 last_sv_count; |
a0d0e21e | 233 | HV *hv; |
1f2bfc8a | 234 | #ifdef USE_THREADS |
33f46ff6 | 235 | Thread t; |
1f2bfc8a | 236 | #endif /* USE_THREADS */ |
8990e307 | 237 | |
79072805 LW |
238 | if (!(curinterp = sv_interp)) |
239 | return; | |
748a9306 | 240 | |
11343788 | 241 | #ifdef USE_THREADS |
0f15f207 | 242 | #ifndef FAKE_THREADS |
8023c3ce MB |
243 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
244 | retry_cleanup: | |
33f46ff6 MB |
245 | MUTEX_LOCK(&threads_mutex); |
246 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 247 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
248 | nthreads - 1)); |
249 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
250 | MUTEX_LOCK(&t->mutex); |
251 | switch (ThrSTATE(t)) { | |
252 | AV *av; | |
c7848ba1 MB |
253 | case THRf_ZOMBIE: |
254 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
255 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
256 | ThrSETSTATE(t, THRf_DEAD); |
257 | MUTEX_UNLOCK(&t->mutex); | |
258 | nthreads--; | |
8023c3ce MB |
259 | /* |
260 | * The SvREFCNT_dec below may take a long time (e.g. av | |
261 | * may contain an object scalar whose destructor gets | |
262 | * called) so we have to unlock threads_mutex and start | |
263 | * all over again. | |
264 | */ | |
605e5515 | 265 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 266 | JOIN(t, &av); |
605e5515 | 267 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
268 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
269 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 270 | goto retry_cleanup; |
c7848ba1 MB |
271 | case THRf_R_JOINABLE: |
272 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
273 | "perl_destruct: detaching thread %p\n", t)); | |
274 | ThrSETSTATE(t, THRf_R_DETACHED); | |
275 | /* | |
276 | * We unlock threads_mutex and t->mutex in the opposite order | |
277 | * from which we locked them just so that DETACH won't | |
278 | * deadlock if it panics. It's only a breach of good style | |
279 | * not a bug since they are unlocks not locks. | |
280 | */ | |
281 | MUTEX_UNLOCK(&threads_mutex); | |
282 | DETACH(t); | |
283 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 284 | goto retry_cleanup; |
c7848ba1 MB |
285 | default: |
286 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
287 | "perl_destruct: ignoring %p (state %u)\n", | |
288 | t, ThrSTATE(t))); | |
289 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 290 | /* fall through and out */ |
33f46ff6 MB |
291 | } |
292 | } | |
8023c3ce MB |
293 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
294 | ||
295 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
296 | while (nthreads > 1) |
297 | { | |
33f46ff6 | 298 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 299 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
300 | nthreads - 1)); |
301 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
302 | } |
303 | /* At this point, we're the last thread */ | |
33f46ff6 | 304 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 305 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 306 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 307 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 308 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
309 | #endif /* USE_THREADS */ |
310 | ||
748a9306 | 311 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
312 | #ifdef DEBUGGING |
313 | { | |
314 | char *s; | |
5f05dabc | 315 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
316 | int i = atoi(s); | |
317 | if (destruct_level < i) | |
318 | destruct_level = i; | |
319 | } | |
4633a7c4 LW |
320 | } |
321 | #endif | |
322 | ||
8990e307 | 323 | LEAVE; |
a0d0e21e LW |
324 | FREETMPS; |
325 | ||
ff0cee69 | 326 | /* We must account for everything. */ |
327 | ||
328 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 329 | if (main_root) { |
330 | curpad = AvARRAY(comppad); | |
331 | op_free(main_root); | |
ff0cee69 | 332 | main_root = Nullop; |
a0d0e21e | 333 | } |
ff0cee69 | 334 | main_start = Nullop; |
335 | SvREFCNT_dec(main_cv); | |
336 | main_cv = Nullcv; | |
337 | ||
a0d0e21e LW |
338 | if (sv_objcount) { |
339 | /* | |
340 | * Try to destruct global references. We do this first so that the | |
341 | * destructors and destructees still exist. Some sv's might remain. | |
342 | * Non-referenced objects are on their own. | |
343 | */ | |
344 | ||
345 | dirty = TRUE; | |
346 | sv_clean_objs(); | |
8990e307 LW |
347 | } |
348 | ||
5cd24f17 | 349 | /* unhook hooks which will soon be, or use, destroyed data */ |
350 | SvREFCNT_dec(warnhook); | |
351 | warnhook = Nullsv; | |
352 | SvREFCNT_dec(diehook); | |
353 | diehook = Nullsv; | |
354 | SvREFCNT_dec(parsehook); | |
355 | parsehook = Nullsv; | |
356 | ||
a0d0e21e | 357 | if (destruct_level == 0){ |
8990e307 | 358 | |
a0d0e21e LW |
359 | DEBUG_P(debprofdump()); |
360 | ||
361 | /* The exit() function will do everything that needs doing. */ | |
362 | return; | |
363 | } | |
5dd60ef7 | 364 | |
5f05dabc | 365 | /* loosen bonds of global variables */ |
366 | ||
8ebc5c01 | 367 | if(rsfp) { |
368 | (void)PerlIO_close(rsfp); | |
369 | rsfp = Nullfp; | |
370 | } | |
371 | ||
372 | /* Filters for program text */ | |
373 | SvREFCNT_dec(rsfp_filters); | |
374 | rsfp_filters = Nullav; | |
375 | ||
376 | /* switches */ | |
377 | preprocess = FALSE; | |
378 | minus_n = FALSE; | |
379 | minus_p = FALSE; | |
380 | minus_l = FALSE; | |
381 | minus_a = FALSE; | |
382 | minus_F = FALSE; | |
383 | doswitches = FALSE; | |
384 | dowarn = FALSE; | |
385 | doextract = FALSE; | |
386 | sawampersand = FALSE; /* must save all match strings */ | |
387 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
388 | sawvec = FALSE; | |
389 | unsafe = FALSE; | |
390 | ||
391 | Safefree(inplace); | |
392 | inplace = Nullch; | |
393 | ||
394 | Safefree(e_tmpname); | |
395 | e_tmpname = Nullch; | |
396 | ||
397 | if (e_fp) { | |
398 | PerlIO_close(e_fp); | |
399 | e_fp = Nullfp; | |
400 | } | |
401 | ||
402 | /* magical thingies */ | |
403 | ||
404 | Safefree(ofs); /* $, */ | |
405 | ofs = Nullch; | |
5f05dabc | 406 | |
8ebc5c01 | 407 | Safefree(ors); /* $\ */ |
408 | ors = Nullch; | |
409 | ||
410 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 411 | nrs = Nullsv; |
412 | ||
8ebc5c01 | 413 | multiline = 0; /* $* */ |
5f05dabc | 414 | |
8ebc5c01 | 415 | SvREFCNT_dec(statname); |
5f05dabc | 416 | statname = Nullsv; |
417 | statgv = Nullgv; | |
5f05dabc | 418 | |
8ebc5c01 | 419 | /* defgv, aka *_ should be taken care of elsewhere */ |
420 | ||
8ebc5c01 | 421 | /* clean up after study() */ |
422 | SvREFCNT_dec(lastscream); | |
423 | lastscream = Nullsv; | |
424 | Safefree(screamfirst); | |
425 | screamfirst = 0; | |
426 | Safefree(screamnext); | |
427 | screamnext = 0; | |
428 | ||
429 | /* startup and shutdown function lists */ | |
430 | SvREFCNT_dec(beginav); | |
431 | SvREFCNT_dec(endav); | |
77a005ab | 432 | SvREFCNT_dec(initav); |
5618dfe8 | 433 | beginav = Nullav; |
5618dfe8 | 434 | endav = Nullav; |
77a005ab | 435 | initav = Nullav; |
5618dfe8 | 436 | |
8ebc5c01 | 437 | /* temp stack during pp_sort() */ |
438 | SvREFCNT_dec(sortstack); | |
439 | sortstack = Nullav; | |
440 | ||
441 | /* shortcuts just get cleared */ | |
442 | envgv = Nullgv; | |
443 | siggv = Nullgv; | |
444 | incgv = Nullgv; | |
12f917ad | 445 | errgv = Nullgv; |
8ebc5c01 | 446 | argvgv = Nullgv; |
447 | argvoutgv = Nullgv; | |
448 | stdingv = Nullgv; | |
449 | last_in_gv = Nullgv; | |
450 | ||
451 | /* reset so print() ends up where we expect */ | |
452 | setdefout(Nullgv); | |
453 | ||
a0d0e21e | 454 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 455 | |
a0d0e21e | 456 | hv = defstash; |
85e6fe83 | 457 | defstash = 0; |
a0d0e21e LW |
458 | SvREFCNT_dec(hv); |
459 | ||
460 | FREETMPS; | |
461 | if (destruct_level >= 2) { | |
462 | if (scopestack_ix != 0) | |
ff0cee69 | 463 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
464 | (long)scopestack_ix); | |
a0d0e21e | 465 | if (savestack_ix != 0) |
ff0cee69 | 466 | warn("Unbalanced saves: %ld more saves than restores\n", |
467 | (long)savestack_ix); | |
a0d0e21e | 468 | if (tmps_floor != -1) |
ff0cee69 | 469 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
470 | (long)tmps_floor + 1); | |
a0d0e21e | 471 | if (cxstack_ix != -1) |
ff0cee69 | 472 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
473 | (long)cxstack_ix + 1); | |
a0d0e21e | 474 | } |
8990e307 LW |
475 | |
476 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 477 | last_sv_count = 0; |
6e72f9df | 478 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
479 | while (sv_count != 0 && sv_count != last_sv_count) { |
480 | last_sv_count = sv_count; | |
481 | sv_clean_all(); | |
482 | } | |
6e72f9df | 483 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
484 | SvFLAGS(strtab) |= SVt_PVHV; | |
485 | ||
486 | /* Destruct the global string table. */ | |
487 | { | |
488 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
489 | * so that sv_free() won't fail on them. | |
490 | */ | |
491 | I32 riter; | |
492 | I32 max; | |
493 | HE *hent; | |
494 | HE **array; | |
495 | ||
496 | riter = 0; | |
497 | max = HvMAX(strtab); | |
498 | array = HvARRAY(strtab); | |
499 | hent = array[0]; | |
500 | for (;;) { | |
501 | if (hent) { | |
502 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
503 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
504 | HeVAL(hent) = Nullsv; | |
505 | hent = HeNEXT(hent); | |
506 | } | |
507 | if (!hent) { | |
508 | if (++riter > max) | |
509 | break; | |
510 | hent = array[riter]; | |
511 | } | |
512 | } | |
513 | } | |
514 | SvREFCNT_dec(strtab); | |
515 | ||
8990e307 | 516 | if (sv_count != 0) |
ff0cee69 | 517 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 518 | |
4633a7c4 | 519 | sv_free_arenas(); |
44a8e56a | 520 | |
521 | /* No SVs have survived, need to clean out */ | |
522 | linestr = NULL; | |
523 | pidstatus = Nullhv; | |
6e72f9df | 524 | if (origfilename) |
525 | Safefree(origfilename); | |
526 | nuke_stacks(); | |
fc36a67e | 527 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
528 | |
529 | DEBUG_P(debprofdump()); | |
11343788 MB |
530 | #ifdef USE_THREADS |
531 | MUTEX_DESTROY(&sv_mutex); | |
532 | MUTEX_DESTROY(&malloc_mutex); | |
533 | MUTEX_DESTROY(&eval_mutex); | |
c116a00c | 534 | COND_DESTROY(&eval_cond); |
fc36a67e | 535 | |
8023c3ce MB |
536 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
537 | Safefree(SvPVX(thrsv)); | |
538 | Safefree(SvANY(thrsv)); | |
539 | Safefree(thrsv); | |
540 | thrsv = Nullsv; | |
541 | #endif /* USE_THREADS */ | |
542 | ||
fc36a67e | 543 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
544 | ||
545 | if (mess_sv) { | |
546 | /* we know that type >= SVt_PV */ | |
547 | SvOOK_off(mess_sv); | |
548 | Safefree(SvPVX(mess_sv)); | |
549 | Safefree(SvANY(mess_sv)); | |
550 | Safefree(mess_sv); | |
551 | mess_sv = Nullsv; | |
552 | } | |
79072805 LW |
553 | } |
554 | ||
555 | void | |
8ac85365 | 556 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
557 | { |
558 | if (!(curinterp = sv_interp)) | |
559 | return; | |
560 | Safefree(sv_interp); | |
561 | } | |
562 | ||
563 | int | |
8ac85365 | 564 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 565 | { |
11343788 | 566 | dTHR; |
79072805 | 567 | register SV *sv; |
8d063cd8 | 568 | register char *s; |
1a30305b | 569 | char *scriptname = NULL; |
a0d0e21e | 570 | VOL bool dosearch = FALSE; |
13281fa4 | 571 | char *validarg = ""; |
2ae324a7 | 572 | I32 oldscope; |
748a9306 | 573 | AV* comppadlist; |
54310121 | 574 | dJMPENV; |
22921e25 | 575 | int ret; |
8d063cd8 | 576 | |
a687059c LW |
577 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
578 | #ifdef IAMSUID | |
579 | #undef IAMSUID | |
463ee0b2 | 580 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
581 | setuid perl scripts securely.\n"); |
582 | #endif | |
583 | #endif | |
584 | ||
79072805 LW |
585 | if (!(curinterp = sv_interp)) |
586 | return 255; | |
587 | ||
6e72f9df | 588 | #if defined(NeXT) && defined(__DYNAMIC__) |
589 | _dyld_lookup_and_bind | |
590 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
591 | #endif /* environ */ | |
592 | ||
ac58e20f LW |
593 | origargv = argv; |
594 | origargc = argc; | |
a0d0e21e | 595 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 596 | origenviron = environ; |
a0d0e21e | 597 | #endif |
ab821d7f | 598 | e_tmpname = Nullch; |
a0d0e21e LW |
599 | |
600 | if (do_undump) { | |
601 | ||
602 | /* Come here if running an undumped a.out. */ | |
603 | ||
604 | origfilename = savepv(argv[0]); | |
605 | do_undump = FALSE; | |
606 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 607 | init_ids(); |
a0d0e21e LW |
608 | init_postdump_symbols(argc,argv,env); |
609 | return 0; | |
610 | } | |
611 | ||
ff0cee69 | 612 | if (main_root) { |
613 | curpad = AvARRAY(comppad); | |
a0d0e21e | 614 | op_free(main_root); |
ff0cee69 | 615 | main_root = Nullop; |
616 | } | |
617 | main_start = Nullop; | |
618 | SvREFCNT_dec(main_cv); | |
619 | main_cv = Nullcv; | |
79072805 | 620 | |
f86702cc | 621 | time(&basetime); |
2ae324a7 | 622 | oldscope = scopestack_ix; |
f86702cc | 623 | |
22921e25 CS |
624 | JMPENV_PUSH(ret); |
625 | switch (ret) { | |
79072805 | 626 | case 1: |
f86702cc | 627 | STATUS_ALL_FAILURE; |
628 | /* FALL THROUGH */ | |
79072805 | 629 | case 2: |
f86702cc | 630 | /* my_exit() was called */ |
2ae324a7 | 631 | while (scopestack_ix > oldscope) |
632 | LEAVE; | |
84902520 | 633 | FREETMPS; |
8990e307 LW |
634 | curstash = defstash; |
635 | if (endav) | |
68dc0745 | 636 | call_list(oldscope, endav); |
54310121 | 637 | JMPENV_POP; |
f86702cc | 638 | return STATUS_NATIVE_EXPORT; |
79072805 | 639 | case 3: |
54310121 | 640 | JMPENV_POP; |
760ac839 | 641 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 642 | return 1; |
79072805 LW |
643 | } |
644 | ||
79072805 LW |
645 | sv_setpvn(linestr,"",0); |
646 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 647 | SAVEFREESV(sv); |
79072805 | 648 | init_main_stash(); |
54310121 | 649 | |
33b78306 | 650 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
651 | if (argv[0][0] != '-' || !argv[0][1]) |
652 | break; | |
13281fa4 LW |
653 | #ifdef DOSUID |
654 | if (*validarg) | |
655 | validarg = " PHOOEY "; | |
656 | else | |
657 | validarg = argv[0]; | |
658 | #endif | |
659 | s = argv[0]+1; | |
8d063cd8 | 660 | reswitch: |
13281fa4 | 661 | switch (*s) { |
27e2fb84 | 662 | case '0': |
2304df62 | 663 | case 'F': |
378cc40b | 664 | case 'a': |
33b78306 | 665 | case 'c': |
a687059c | 666 | case 'd': |
8d063cd8 | 667 | case 'D': |
4633a7c4 | 668 | case 'h': |
33b78306 | 669 | case 'i': |
fe14fcc3 | 670 | case 'l': |
1a30305b | 671 | case 'M': |
672 | case 'm': | |
33b78306 LW |
673 | case 'n': |
674 | case 'p': | |
79072805 | 675 | case 's': |
33b78306 LW |
676 | case 'u': |
677 | case 'U': | |
678 | case 'v': | |
679 | case 'w': | |
680 | if (s = moreswitches(s)) | |
681 | goto reswitch; | |
8d063cd8 | 682 | break; |
33b78306 | 683 | |
f86702cc | 684 | case 'T': |
685 | tainting = TRUE; | |
686 | s++; | |
687 | goto reswitch; | |
688 | ||
8d063cd8 | 689 | case 'e': |
a687059c | 690 | if (euid != uid || egid != gid) |
463ee0b2 | 691 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 692 | if (!e_fp) { |
a0d0e21e | 693 | e_tmpname = savepv(TMPPATH); |
a687059c | 694 | (void)mktemp(e_tmpname); |
83025b21 | 695 | if (!*e_tmpname) |
463ee0b2 | 696 | croak("Can't mktemp()"); |
760ac839 | 697 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 698 | if (!e_fp) |
463ee0b2 | 699 | croak("Cannot open temporary file"); |
8d063cd8 | 700 | } |
552a7a9b | 701 | if (*++s) |
702 | PerlIO_puts(e_fp,s); | |
703 | else if (argv[1]) { | |
760ac839 | 704 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
705 | argc--,argv++; |
706 | } | |
552a7a9b | 707 | else |
708 | croak("No code specified for -e"); | |
760ac839 | 709 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 710 | break; |
fb73857a | 711 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 712 | forbid_setid("-I"); |
fb73857a | 713 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 714 | argc--,argv++; |
8d063cd8 | 715 | } |
fb73857a | 716 | while (s && isSPACE(*s)) |
717 | ++s; | |
718 | if (s && *s) { | |
719 | char *e, *p; | |
720 | for (e = s; *e && !isSPACE(*e); e++) ; | |
721 | p = savepvn(s, e-s); | |
722 | incpush(p, TRUE); | |
723 | sv_catpv(sv,"-I"); | |
724 | sv_catpv(sv,p); | |
725 | sv_catpv(sv," "); | |
726 | Safefree(p); | |
727 | } /* XXX else croak? */ | |
8d063cd8 | 728 | break; |
8d063cd8 | 729 | case 'P': |
bbce6d69 | 730 | forbid_setid("-P"); |
8d063cd8 | 731 | preprocess = TRUE; |
13281fa4 | 732 | s++; |
8d063cd8 | 733 | goto reswitch; |
378cc40b | 734 | case 'S': |
bbce6d69 | 735 | forbid_setid("-S"); |
378cc40b | 736 | dosearch = TRUE; |
13281fa4 | 737 | s++; |
378cc40b | 738 | goto reswitch; |
1a30305b | 739 | case 'V': |
740 | if (!preambleav) | |
741 | preambleav = newAV(); | |
742 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
743 | if (*++s != ':') { | |
6e72f9df | 744 | Sv = newSVpv("print myconfig();",0); |
745 | #ifdef VMS | |
746 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
747 | #else | |
748 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
749 | #endif | |
54310121 | 750 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 751 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 752 | # ifdef DEBUGGING |
46fc3d4c | 753 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 754 | # endif |
54310121 | 755 | # ifdef NO_EMBED |
46fc3d4c | 756 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 757 | # endif |
758 | # ifdef MULTIPLICITY | |
46fc3d4c | 759 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 760 | # endif |
46fc3d4c | 761 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 762 | #endif |
763 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 764 | if (LOCAL_PATCH_COUNT > 0) { |
765 | int i; | |
5cd24f17 | 766 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 767 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 768 | if (localpatches[i]) |
769 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 770 | } |
771 | } | |
772 | #endif | |
46fc3d4c | 773 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 774 | #ifdef __DATE__ |
775 | # ifdef __TIME__ | |
46fc3d4c | 776 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 777 | # else |
46fc3d4c | 778 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 779 | # endif |
6e72f9df | 780 | #endif |
54310121 | 781 | sv_catpv(Sv, "; \ |
782 | $\"=\"\\n \"; \ | |
783 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
784 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
785 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 786 | } |
787 | else { | |
788 | Sv = newSVpv("config_vars(qw(",0); | |
789 | sv_catpv(Sv, ++s); | |
790 | sv_catpv(Sv, "))"); | |
791 | s += strlen(s); | |
792 | } | |
793 | av_push(preambleav, Sv); | |
c07a80fd | 794 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 795 | goto reswitch; |
33b78306 LW |
796 | case 'x': |
797 | doextract = TRUE; | |
13281fa4 | 798 | s++; |
33b78306 | 799 | if (*s) |
a0d0e21e | 800 | cddir = savepv(s); |
33b78306 | 801 | break; |
8d063cd8 LW |
802 | case 0: |
803 | break; | |
fb73857a | 804 | case '-': |
805 | if (!*++s || isSPACE(*s)) { | |
806 | argc--,argv++; | |
807 | goto switch_end; | |
808 | } | |
809 | /* catch use of gnu style long options */ | |
810 | if (strEQ(s, "version")) { | |
811 | s = "v"; | |
812 | goto reswitch; | |
813 | } | |
814 | if (strEQ(s, "help")) { | |
815 | s = "h"; | |
816 | goto reswitch; | |
817 | } | |
818 | s--; | |
819 | /* FALL THROUGH */ | |
8d063cd8 | 820 | default: |
90248788 | 821 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
822 | } |
823 | } | |
824 | switch_end: | |
54310121 | 825 | |
826 | if (!tainting && (s = getenv("PERL5OPT"))) { | |
fb73857a | 827 | while (s && *s) { |
54310121 | 828 | while (isSPACE(*s)) |
829 | s++; | |
830 | if (*s == '-') { | |
831 | s++; | |
832 | if (isSPACE(*s)) | |
833 | continue; | |
834 | } | |
835 | if (!*s) | |
836 | break; | |
837 | if (!strchr("DIMUdmw", *s)) | |
838 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
839 | s = moreswitches(s); | |
840 | } | |
841 | } | |
842 | ||
1a30305b | 843 | if (!scriptname) |
844 | scriptname = argv[0]; | |
8d063cd8 | 845 | if (e_fp) { |
68dc0745 | 846 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
847 | #ifndef MULTIPLICITY | |
848 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
849 | #endif | |
2304df62 | 850 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 851 | } |
ab821d7f | 852 | e_fp = Nullfp; |
8d063cd8 | 853 | argc++,argv--; |
45d8adaa | 854 | scriptname = e_tmpname; |
8d063cd8 | 855 | } |
79072805 LW |
856 | else if (scriptname == Nullch) { |
857 | #ifdef MSDOS | |
760ac839 | 858 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 859 | moreswitches("h"); |
fe14fcc3 | 860 | #endif |
79072805 LW |
861 | scriptname = "-"; |
862 | } | |
fe14fcc3 | 863 | |
79072805 | 864 | init_perllib(); |
8d063cd8 | 865 | |
79072805 | 866 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 867 | |
96436eeb | 868 | validate_suid(validarg, scriptname); |
378cc40b | 869 | |
79072805 LW |
870 | if (doextract) |
871 | find_beginning(); | |
872 | ||
4fdae800 | 873 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 874 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 875 | CvUNIQUE_on(compcv); |
748a9306 | 876 | |
6e72f9df | 877 | comppad = newAV(); |
79072805 LW |
878 | av_push(comppad, Nullsv); |
879 | curpad = AvARRAY(comppad); | |
6e72f9df | 880 | comppad_name = newAV(); |
8990e307 | 881 | comppad_name_fill = 0; |
e858de61 MB |
882 | min_intro_pending = 0; |
883 | padix = 0; | |
11343788 MB |
884 | #ifdef USE_THREADS |
885 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 886 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 887 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 888 | CvOWNER(compcv) = 0; |
12ca11f6 | 889 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 890 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 891 | #endif /* USE_THREADS */ |
79072805 | 892 | |
748a9306 LW |
893 | comppadlist = newAV(); |
894 | AvREAL_off(comppadlist); | |
8e07c86e AD |
895 | av_store(comppadlist, 0, (SV*)comppad_name); |
896 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
897 | CvPADLIST(compcv) = comppadlist; |
898 | ||
6e72f9df | 899 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
900 | if (xsinit) |
901 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
ad2e33dc | 902 | #if defined(VMS) || defined(WIN32) |
748a9306 LW |
903 | init_os_extras(); |
904 | #endif | |
93a17b20 | 905 | |
77a005ab MB |
906 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
907 | DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv);); | |
908 | #endif | |
909 | ||
93a17b20 | 910 | init_predump_symbols(); |
8990e307 LW |
911 | if (!do_undump) |
912 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 913 | |
79072805 LW |
914 | init_lexer(); |
915 | ||
916 | /* now parse the script */ | |
917 | ||
918 | error_count = 0; | |
919 | if (yyparse() || error_count) { | |
920 | if (minus_c) | |
463ee0b2 | 921 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 922 | else { |
463ee0b2 | 923 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 924 | origfilename); |
378cc40b | 925 | } |
79072805 LW |
926 | } |
927 | curcop->cop_line = 0; | |
928 | curstash = defstash; | |
929 | preprocess = FALSE; | |
ab821d7f | 930 | if (e_tmpname) { |
79072805 | 931 | (void)UNLINK(e_tmpname); |
ab821d7f | 932 | Safefree(e_tmpname); |
933 | e_tmpname = Nullch; | |
378cc40b | 934 | } |
a687059c | 935 | |
93a17b20 | 936 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 937 | SvREFCNT_dec(rs); |
938 | rs = SvREFCNT_inc(nrs); | |
a863c7d1 | 939 | #ifdef USE_THREADS |
54b9620d | 940 | sv_setsv(*av_fetch(thr->threadsv, find_threadsv("/"), FALSE), rs); |
a863c7d1 | 941 | #else |
c07a80fd | 942 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); |
a863c7d1 | 943 | #endif /* USE_THREADS */ |
79072805 LW |
944 | if (do_undump) |
945 | my_unexec(); | |
946 | ||
8990e307 LW |
947 | if (dowarn) |
948 | gv_check(defstash); | |
949 | ||
a0d0e21e LW |
950 | LEAVE; |
951 | FREETMPS; | |
c07a80fd | 952 | |
3562ef9b | 953 | #ifdef MYMALLOC |
c07a80fd | 954 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
955 | dump_mstats("after compilation:"); | |
956 | #endif | |
957 | ||
a0d0e21e LW |
958 | ENTER; |
959 | restartop = 0; | |
54310121 | 960 | JMPENV_POP; |
79072805 LW |
961 | return 0; |
962 | } | |
963 | ||
964 | int | |
8ac85365 | 965 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 966 | { |
11343788 | 967 | dTHR; |
2ae324a7 | 968 | I32 oldscope; |
22921e25 CS |
969 | dJMPENV; |
970 | int ret; | |
2ae324a7 | 971 | |
79072805 LW |
972 | if (!(curinterp = sv_interp)) |
973 | return 255; | |
2ae324a7 | 974 | |
975 | oldscope = scopestack_ix; | |
976 | ||
22921e25 CS |
977 | JMPENV_PUSH(ret); |
978 | switch (ret) { | |
79072805 LW |
979 | case 1: |
980 | cxstack_ix = -1; /* start context stack again */ | |
981 | break; | |
982 | case 2: | |
f86702cc | 983 | /* my_exit() was called */ |
2ae324a7 | 984 | while (scopestack_ix > oldscope) |
985 | LEAVE; | |
84902520 | 986 | FREETMPS; |
79072805 | 987 | curstash = defstash; |
93a17b20 | 988 | if (endav) |
68dc0745 | 989 | call_list(oldscope, endav); |
3562ef9b | 990 | #ifdef MYMALLOC |
c07a80fd | 991 | if (getenv("PERL_DEBUG_MSTATS")) |
992 | dump_mstats("after execution: "); | |
993 | #endif | |
54310121 | 994 | JMPENV_POP; |
f86702cc | 995 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
996 | case 3: |
997 | if (!restartop) { | |
760ac839 | 998 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 999 | FREETMPS; |
54310121 | 1000 | JMPENV_POP; |
8990e307 | 1001 | return 1; |
83025b21 | 1002 | } |
6e72f9df | 1003 | if (curstack != mainstack) { |
79072805 | 1004 | dSP; |
6e72f9df | 1005 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1006 | } |
1007 | break; | |
8d063cd8 | 1008 | } |
79072805 | 1009 | |
fb73857a | 1010 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1011 | sawampersand ? "Enabling" : "Omitting")); |
1012 | ||
79072805 LW |
1013 | if (!restartop) { |
1014 | DEBUG_x(dump_all()); | |
760ac839 | 1015 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1016 | #ifdef USE_THREADS |
5dc0d613 MB |
1017 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1018 | (unsigned long) thr)); | |
11343788 | 1019 | #endif /* USE_THREADS */ |
79072805 LW |
1020 | |
1021 | if (minus_c) { | |
760ac839 | 1022 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1023 | my_exit(0); |
1024 | } | |
84902520 | 1025 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1026 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1027 | if (initav) |
1028 | call_list(oldscope, initav); | |
45d8adaa | 1029 | } |
79072805 LW |
1030 | |
1031 | /* do it */ | |
1032 | ||
1033 | if (restartop) { | |
1034 | op = restartop; | |
1035 | restartop = 0; | |
ab821d7f | 1036 | runops(); |
79072805 LW |
1037 | } |
1038 | else if (main_start) { | |
4fdae800 | 1039 | CvDEPTH(main_cv) = 1; |
79072805 | 1040 | op = main_start; |
ab821d7f | 1041 | runops(); |
79072805 | 1042 | } |
79072805 LW |
1043 | |
1044 | my_exit(0); | |
54310121 | 1045 | /* NOTREACHED */ |
a0d0e21e | 1046 | return 0; |
79072805 LW |
1047 | } |
1048 | ||
a0d0e21e | 1049 | SV* |
8ac85365 | 1050 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1051 | { |
2faa37cc | 1052 | GV *gv; |
38a03e6e | 1053 | #ifdef USE_THREADS |
2faa37cc | 1054 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1055 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1056 | if (tmp != NOT_IN_PAD) { |
1057 | dTHR; | |
54b9620d | 1058 | return *av_fetch(thr->threadsv, tmp, FALSE); |
2faa37cc | 1059 | } |
38a03e6e MB |
1060 | } |
1061 | #endif /* USE_THREADS */ | |
2faa37cc | 1062 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1063 | if (gv) |
1064 | return GvSV(gv); | |
1065 | return Nullsv; | |
1066 | } | |
1067 | ||
1068 | AV* | |
8ac85365 | 1069 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1070 | { |
1071 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1072 | if (create) | |
1073 | return GvAVn(gv); | |
1074 | if (gv) | |
1075 | return GvAV(gv); | |
1076 | return Nullav; | |
1077 | } | |
1078 | ||
1079 | HV* | |
8ac85365 | 1080 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1081 | { |
1082 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1083 | if (create) | |
1084 | return GvHVn(gv); | |
1085 | if (gv) | |
1086 | return GvHV(gv); | |
1087 | return Nullhv; | |
1088 | } | |
1089 | ||
1090 | CV* | |
8ac85365 | 1091 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1092 | { |
1093 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1094 | if (create && !GvCVu(gv)) |
774d564b | 1095 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1096 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1097 | Nullop, |
a0d0e21e LW |
1098 | Nullop); |
1099 | if (gv) | |
8ebc5c01 | 1100 | return GvCVu(gv); |
a0d0e21e LW |
1101 | return Nullcv; |
1102 | } | |
1103 | ||
79072805 LW |
1104 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1105 | ||
a0d0e21e | 1106 | I32 |
8ac85365 NIS |
1107 | perl_call_argv(char *subname, I32 flags, register char **argv) |
1108 | ||
1109 | /* See G_* flags in cop.h */ | |
1110 | /* null terminated arg list */ | |
8990e307 | 1111 | { |
a0d0e21e | 1112 | dSP; |
8990e307 | 1113 | |
a0d0e21e LW |
1114 | PUSHMARK(sp); |
1115 | if (argv) { | |
8990e307 | 1116 | while (*argv) { |
a0d0e21e | 1117 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1118 | argv++; |
1119 | } | |
a0d0e21e | 1120 | PUTBACK; |
8990e307 | 1121 | } |
a0d0e21e | 1122 | return perl_call_pv(subname, flags); |
8990e307 LW |
1123 | } |
1124 | ||
a0d0e21e | 1125 | I32 |
8ac85365 NIS |
1126 | perl_call_pv(char *subname, I32 flags) |
1127 | /* name of the subroutine */ | |
1128 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1129 | { |
1130 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
1131 | } | |
1132 | ||
1133 | I32 | |
8ac85365 NIS |
1134 | perl_call_method(char *methname, I32 flags) |
1135 | /* name of the subroutine */ | |
1136 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1137 | { |
1138 | dSP; | |
1139 | OP myop; | |
1140 | if (!op) | |
1141 | op = &myop; | |
1142 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1143 | PUTBACK; | |
11343788 | 1144 | pp_method(ARGS); |
a0d0e21e LW |
1145 | return perl_call_sv(*stack_sp--, flags); |
1146 | } | |
1147 | ||
1148 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1149 | I32 | |
8ac85365 NIS |
1150 | perl_call_sv(SV *sv, I32 flags) |
1151 | ||
1152 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1153 | { |
11343788 | 1154 | dTHR; |
a0d0e21e LW |
1155 | LOGOP myop; /* fake syntax tree node */ |
1156 | SV** sp = stack_sp; | |
aa689395 | 1157 | I32 oldmark; |
a0d0e21e | 1158 | I32 retval; |
a0d0e21e | 1159 | I32 oldscope; |
6e72f9df | 1160 | static CV *DBcv; |
54310121 | 1161 | bool oldcatch = CATCH_GET; |
1162 | dJMPENV; | |
22921e25 | 1163 | int ret; |
d6602a8c | 1164 | OP* oldop = op; |
1e422769 | 1165 | |
a0d0e21e LW |
1166 | if (flags & G_DISCARD) { |
1167 | ENTER; | |
1168 | SAVETMPS; | |
1169 | } | |
1170 | ||
aa689395 | 1171 | Zero(&myop, 1, LOGOP); |
54310121 | 1172 | myop.op_next = Nullop; |
f51d4af5 | 1173 | if (!(flags & G_NOARGS)) |
aa689395 | 1174 | myop.op_flags |= OPf_STACKED; |
54310121 | 1175 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1176 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1177 | OPf_WANT_SCALAR); | |
462e5cf6 | 1178 | SAVEOP(); |
a0d0e21e | 1179 | op = (OP*)&myop; |
aa689395 | 1180 | |
a0d0e21e LW |
1181 | EXTEND(stack_sp, 1); |
1182 | *++stack_sp = sv; | |
aa689395 | 1183 | oldmark = TOPMARK; |
a0d0e21e LW |
1184 | oldscope = scopestack_ix; |
1185 | ||
84902520 | 1186 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1187 | /* Handle first BEGIN of -d. */ |
1188 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1189 | /* Try harder, since this may have been a sighandler, thus | |
1190 | * curstash may be meaningless. */ | |
1191 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1192 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1193 | |
1194 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1195 | cLOGOP->op_other = op; |
1196 | markstack_ptr--; | |
4633a7c4 LW |
1197 | /* we're trying to emulate pp_entertry() here */ |
1198 | { | |
c09156bb | 1199 | register PERL_CONTEXT *cx; |
54310121 | 1200 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1201 | |
1202 | ENTER; | |
1203 | SAVETMPS; | |
1204 | ||
1205 | push_return(op->op_next); | |
1206 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1207 | PUSHEVAL(cx, 0, 0); | |
1208 | eval_root = op; /* Only needed so that goto works right. */ | |
1209 | ||
1210 | in_eval = 1; | |
1211 | if (flags & G_KEEPERR) | |
1212 | in_eval |= 4; | |
1213 | else | |
38a03e6e | 1214 | sv_setpv(ERRSV,""); |
4633a7c4 | 1215 | } |
a0d0e21e LW |
1216 | markstack_ptr++; |
1217 | ||
22921e25 CS |
1218 | JMPENV_PUSH(ret); |
1219 | switch (ret) { | |
a0d0e21e LW |
1220 | case 0: |
1221 | break; | |
1222 | case 1: | |
f86702cc | 1223 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1224 | /* FALL THROUGH */ |
1225 | case 2: | |
1226 | /* my_exit() was called */ | |
1227 | curstash = defstash; | |
1228 | FREETMPS; | |
54310121 | 1229 | JMPENV_POP; |
a0d0e21e LW |
1230 | if (statusvalue) |
1231 | croak("Callback called exit"); | |
f86702cc | 1232 | my_exit_jump(); |
a0d0e21e LW |
1233 | /* NOTREACHED */ |
1234 | case 3: | |
1235 | if (restartop) { | |
1236 | op = restartop; | |
1237 | restartop = 0; | |
54310121 | 1238 | break; |
a0d0e21e LW |
1239 | } |
1240 | stack_sp = stack_base + oldmark; | |
1241 | if (flags & G_ARRAY) | |
1242 | retval = 0; | |
1243 | else { | |
1244 | retval = 1; | |
1245 | *++stack_sp = &sv_undef; | |
1246 | } | |
1247 | goto cleanup; | |
1248 | } | |
1249 | } | |
1e422769 | 1250 | else |
54310121 | 1251 | CATCH_SET(TRUE); |
a0d0e21e LW |
1252 | |
1253 | if (op == (OP*)&myop) | |
11343788 | 1254 | op = pp_entersub(ARGS); |
a0d0e21e | 1255 | if (op) |
ab821d7f | 1256 | runops(); |
a0d0e21e | 1257 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1258 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1259 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1260 | |
1261 | cleanup: | |
1262 | if (flags & G_EVAL) { | |
1263 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1264 | SV **newsp; |
1265 | PMOP *newpm; | |
1266 | I32 gimme; | |
c09156bb | 1267 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1268 | I32 optype; |
1269 | ||
1270 | POPBLOCK(cx,newpm); | |
1271 | POPEVAL(cx); | |
1272 | pop_return(); | |
1273 | curpm = newpm; | |
1274 | LEAVE; | |
a0d0e21e | 1275 | } |
54310121 | 1276 | JMPENV_POP; |
a0d0e21e | 1277 | } |
1e422769 | 1278 | else |
54310121 | 1279 | CATCH_SET(oldcatch); |
1e422769 | 1280 | |
a0d0e21e LW |
1281 | if (flags & G_DISCARD) { |
1282 | stack_sp = stack_base + oldmark; | |
1283 | retval = 0; | |
1284 | FREETMPS; | |
1285 | LEAVE; | |
1286 | } | |
d6602a8c | 1287 | op = oldop; |
a0d0e21e LW |
1288 | return retval; |
1289 | } | |
1290 | ||
6e72f9df | 1291 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1292 | |
a0d0e21e | 1293 | I32 |
8ac85365 NIS |
1294 | perl_eval_sv(SV *sv, I32 flags) |
1295 | ||
1296 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1297 | { |
11343788 | 1298 | dTHR; |
a0d0e21e | 1299 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1300 | SV** sp = stack_sp; |
1301 | I32 oldmark = sp - stack_base; | |
1302 | I32 retval; | |
4633a7c4 | 1303 | I32 oldscope; |
54310121 | 1304 | dJMPENV; |
22921e25 | 1305 | int ret; |
84902520 TB |
1306 | OP* oldop = op; |
1307 | ||
4633a7c4 LW |
1308 | if (flags & G_DISCARD) { |
1309 | ENTER; | |
1310 | SAVETMPS; | |
1311 | } | |
1312 | ||
462e5cf6 | 1313 | SAVEOP(); |
79072805 | 1314 | op = (OP*)&myop; |
a0d0e21e | 1315 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1316 | EXTEND(stack_sp, 1); |
1317 | *++stack_sp = sv; | |
1318 | oldscope = scopestack_ix; | |
79072805 | 1319 | |
4633a7c4 LW |
1320 | if (!(flags & G_NOARGS)) |
1321 | myop.op_flags = OPf_STACKED; | |
79072805 | 1322 | myop.op_next = Nullop; |
6e72f9df | 1323 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1324 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1325 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1326 | OPf_WANT_SCALAR); | |
6e72f9df | 1327 | if (flags & G_KEEPERR) |
1328 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1329 | |
22921e25 CS |
1330 | JMPENV_PUSH(ret); |
1331 | switch (ret) { | |
4633a7c4 LW |
1332 | case 0: |
1333 | break; | |
1334 | case 1: | |
f86702cc | 1335 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1336 | /* FALL THROUGH */ |
1337 | case 2: | |
1338 | /* my_exit() was called */ | |
1339 | curstash = defstash; | |
1340 | FREETMPS; | |
54310121 | 1341 | JMPENV_POP; |
4633a7c4 LW |
1342 | if (statusvalue) |
1343 | croak("Callback called exit"); | |
f86702cc | 1344 | my_exit_jump(); |
4633a7c4 LW |
1345 | /* NOTREACHED */ |
1346 | case 3: | |
1347 | if (restartop) { | |
1348 | op = restartop; | |
1349 | restartop = 0; | |
54310121 | 1350 | break; |
4633a7c4 LW |
1351 | } |
1352 | stack_sp = stack_base + oldmark; | |
1353 | if (flags & G_ARRAY) | |
1354 | retval = 0; | |
1355 | else { | |
1356 | retval = 1; | |
1357 | *++stack_sp = &sv_undef; | |
1358 | } | |
1359 | goto cleanup; | |
1360 | } | |
1361 | ||
1362 | if (op == (OP*)&myop) | |
11343788 | 1363 | op = pp_entereval(ARGS); |
4633a7c4 | 1364 | if (op) |
ab821d7f | 1365 | runops(); |
4633a7c4 | 1366 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1367 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1368 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1369 | |
1370 | cleanup: | |
54310121 | 1371 | JMPENV_POP; |
4633a7c4 LW |
1372 | if (flags & G_DISCARD) { |
1373 | stack_sp = stack_base + oldmark; | |
1374 | retval = 0; | |
1375 | FREETMPS; | |
1376 | LEAVE; | |
1377 | } | |
84902520 | 1378 | op = oldop; |
4633a7c4 LW |
1379 | return retval; |
1380 | } | |
1381 | ||
137443ea | 1382 | SV* |
8ac85365 | 1383 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1384 | { |
1385 | dSP; | |
1386 | SV* sv = newSVpv(p, 0); | |
1387 | ||
1388 | PUSHMARK(sp); | |
1389 | perl_eval_sv(sv, G_SCALAR); | |
1390 | SvREFCNT_dec(sv); | |
1391 | ||
1392 | SPAGAIN; | |
1393 | sv = POPs; | |
1394 | PUTBACK; | |
1395 | ||
38a03e6e MB |
1396 | if (croak_on_error && SvTRUE(ERRSV)) |
1397 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1398 | |
1399 | return sv; | |
1400 | } | |
1401 | ||
4633a7c4 LW |
1402 | /* Require a module. */ |
1403 | ||
1404 | void | |
8ac85365 | 1405 | perl_require_pv(char *pv) |
4633a7c4 LW |
1406 | { |
1407 | SV* sv = sv_newmortal(); | |
1408 | sv_setpv(sv, "require '"); | |
1409 | sv_catpv(sv, pv); | |
1410 | sv_catpv(sv, "'"); | |
1411 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1412 | } |
1413 | ||
79072805 | 1414 | void |
8ac85365 | 1415 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1416 | { |
1417 | register GV *gv; | |
1418 | ||
85e6fe83 | 1419 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1420 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1421 | } | |
1422 | ||
ab821d7f | 1423 | static void |
8ac85365 NIS |
1424 | usage(char *name) /* XXX move this out into a module ? */ |
1425 | ||
4633a7c4 | 1426 | { |
ab821d7f | 1427 | /* This message really ought to be max 23 lines. |
1428 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1429 | |
1430 | static char *usage[] = { | |
1431 | "-0[octal] specify record separator (\\0, if no argument)", | |
1432 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1433 | "-c check syntax only (runs BEGIN and END blocks)", | |
1434 | "-d[:debugger] run scripts under debugger", | |
1435 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1436 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1437 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1438 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1439 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1440 | "-l[octal] enable line ending processing, specifies line terminator", | |
1441 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1442 | "-n assume 'while (<>) { ... }' loop around your script", | |
1443 | "-p assume loop like -n but print line also like sed", | |
1444 | "-P run script through C preprocessor before compilation", | |
1445 | "-s enable some switch parsing for switches after script name", | |
1446 | "-S look for the script using PATH environment variable", | |
1447 | "-T turn on tainting checks", | |
1448 | "-u dump core after parsing script", | |
1449 | "-U allow unsafe operations", | |
1450 | "-v print version number and patchlevel of perl", | |
1451 | "-V[:variable] print perl configuration information", | |
1452 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1453 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1454 | "\n", | |
1455 | NULL | |
1456 | }; | |
1457 | char **p = usage; | |
1458 | ||
ab821d7f | 1459 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1460 | while (*p) |
1461 | printf("\n %s", *p++); | |
4633a7c4 LW |
1462 | } |
1463 | ||
79072805 LW |
1464 | /* This routine handles any switches that can be given during run */ |
1465 | ||
1466 | char * | |
8ac85365 | 1467 | moreswitches(char *s) |
79072805 LW |
1468 | { |
1469 | I32 numlen; | |
c07a80fd | 1470 | U32 rschar; |
79072805 LW |
1471 | |
1472 | switch (*s) { | |
1473 | case '0': | |
a863c7d1 MB |
1474 | { |
1475 | dTHR; | |
c07a80fd | 1476 | rschar = scan_oct(s, 4, &numlen); |
1477 | SvREFCNT_dec(nrs); | |
1478 | if (rschar & ~((U8)~0)) | |
1479 | nrs = &sv_undef; | |
1480 | else if (!rschar && numlen >= 2) | |
1481 | nrs = newSVpv("", 0); | |
1482 | else { | |
1483 | char ch = rschar; | |
1484 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1485 | } |
1486 | return s + numlen; | |
a863c7d1 | 1487 | } |
2304df62 AD |
1488 | case 'F': |
1489 | minus_F = TRUE; | |
a0d0e21e | 1490 | splitstr = savepv(s + 1); |
2304df62 AD |
1491 | s += strlen(s); |
1492 | return s; | |
79072805 LW |
1493 | case 'a': |
1494 | minus_a = TRUE; | |
1495 | s++; | |
1496 | return s; | |
1497 | case 'c': | |
1498 | minus_c = TRUE; | |
1499 | s++; | |
1500 | return s; | |
1501 | case 'd': | |
bbce6d69 | 1502 | forbid_setid("-d"); |
4633a7c4 | 1503 | s++; |
c07a80fd | 1504 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1505 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1506 | s += strlen(s); |
4633a7c4 | 1507 | } |
a0d0e21e | 1508 | if (!perldb) { |
84902520 | 1509 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1510 | init_debugger(); |
1511 | } | |
79072805 LW |
1512 | return s; |
1513 | case 'D': | |
1514 | #ifdef DEBUGGING | |
bbce6d69 | 1515 | forbid_setid("-D"); |
79072805 | 1516 | if (isALPHA(s[1])) { |
8990e307 | 1517 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1518 | char *d; |
1519 | ||
93a17b20 | 1520 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1521 | debug |= 1 << (d - debopts); |
1522 | } | |
1523 | else { | |
1524 | debug = atoi(s+1); | |
1525 | for (s++; isDIGIT(*s); s++) ; | |
1526 | } | |
8990e307 | 1527 | debug |= 0x80000000; |
79072805 LW |
1528 | #else |
1529 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1530 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1531 | #endif |
1532 | /*SUPPRESS 530*/ | |
1533 | return s; | |
4633a7c4 LW |
1534 | case 'h': |
1535 | usage(origargv[0]); | |
1536 | exit(0); | |
79072805 LW |
1537 | case 'i': |
1538 | if (inplace) | |
1539 | Safefree(inplace); | |
a0d0e21e | 1540 | inplace = savepv(s+1); |
79072805 LW |
1541 | /*SUPPRESS 530*/ |
1542 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1543 | if (*s) |
1544 | *s++ = '\0'; | |
1545 | return s; | |
1546 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1547 | forbid_setid("-I"); |
fb73857a | 1548 | ++s; |
1549 | while (*s && isSPACE(*s)) | |
1550 | ++s; | |
1551 | if (*s) { | |
774d564b | 1552 | char *e, *p; |
748a9306 | 1553 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1554 | p = savepvn(s, e-s); |
1555 | incpush(p, TRUE); | |
1556 | Safefree(p); | |
fb73857a | 1557 | s = e; |
79072805 LW |
1558 | } |
1559 | else | |
463ee0b2 | 1560 | croak("No space allowed after -I"); |
fb73857a | 1561 | return s; |
79072805 LW |
1562 | case 'l': |
1563 | minus_l = TRUE; | |
1564 | s++; | |
a0d0e21e LW |
1565 | if (ors) |
1566 | Safefree(ors); | |
79072805 | 1567 | if (isDIGIT(*s)) { |
a0d0e21e | 1568 | ors = savepv("\n"); |
79072805 LW |
1569 | orslen = 1; |
1570 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1571 | s += numlen; | |
1572 | } | |
1573 | else { | |
a863c7d1 | 1574 | dTHR; |
c07a80fd | 1575 | if (RsPARA(nrs)) { |
6e72f9df | 1576 | ors = "\n\n"; |
c07a80fd | 1577 | orslen = 2; |
1578 | } | |
1579 | else | |
1580 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1581 | ors = savepvn(ors, orslen); |
79072805 LW |
1582 | } |
1583 | return s; | |
1a30305b | 1584 | case 'M': |
bbce6d69 | 1585 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1586 | /* FALL THROUGH */ |
1587 | case 'm': | |
bbce6d69 | 1588 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1589 | if (*++s) { |
a5f75d66 | 1590 | char *start; |
11343788 | 1591 | SV *sv; |
a5f75d66 AD |
1592 | char *use = "use "; |
1593 | /* -M-foo == 'no foo' */ | |
1594 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1595 | sv = newSVpv(use,0); |
a5f75d66 | 1596 | start = s; |
1a30305b | 1597 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1598 | while(isALNUM(*s) || *s==':') ++s; |
1599 | if (*s != '=') { | |
11343788 | 1600 | sv_catpv(sv, start); |
c07a80fd | 1601 | if (*(start-1) == 'm') { |
1602 | if (*s != '\0') | |
1603 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1604 | sv_catpv( sv, " ()"); |
c07a80fd | 1605 | } |
1606 | } else { | |
11343788 MB |
1607 | sv_catpvn(sv, start, s-start); |
1608 | sv_catpv(sv, " split(/,/,q{"); | |
1609 | sv_catpv(sv, ++s); | |
1610 | sv_catpv(sv, "})"); | |
c07a80fd | 1611 | } |
1a30305b | 1612 | s += strlen(s); |
c07a80fd | 1613 | if (preambleav == NULL) |
1614 | preambleav = newAV(); | |
11343788 | 1615 | av_push(preambleav, sv); |
1a30305b | 1616 | } |
1617 | else | |
1618 | croak("No space allowed after -%c", *(s-1)); | |
1619 | return s; | |
79072805 LW |
1620 | case 'n': |
1621 | minus_n = TRUE; | |
1622 | s++; | |
1623 | return s; | |
1624 | case 'p': | |
1625 | minus_p = TRUE; | |
1626 | s++; | |
1627 | return s; | |
1628 | case 's': | |
bbce6d69 | 1629 | forbid_setid("-s"); |
79072805 LW |
1630 | doswitches = TRUE; |
1631 | s++; | |
1632 | return s; | |
463ee0b2 | 1633 | case 'T': |
f86702cc | 1634 | if (!tainting) |
9607fc9c | 1635 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1636 | s++; |
1637 | return s; | |
79072805 LW |
1638 | case 'u': |
1639 | do_undump = TRUE; | |
1640 | s++; | |
1641 | return s; | |
1642 | case 'U': | |
1643 | unsafe = TRUE; | |
1644 | s++; | |
1645 | return s; | |
1646 | case 'v': | |
a5f75d66 | 1647 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1648 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1649 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1650 | #else |
fb73857a | 1651 | printf("\nThis is perl, version %s built for %s", |
1652 | patchlevel, ARCHNAME); | |
1653 | #endif | |
1654 | #if defined(LOCAL_PATCH_COUNT) | |
1655 | if (LOCAL_PATCH_COUNT > 0) | |
1656 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1657 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1658 | #endif |
1a30305b | 1659 | |
44a8e56a | 1660 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1661 | #ifdef MSDOS |
fb73857a | 1662 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1663 | #endif |
1664 | #ifdef DJGPP | |
1665 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1666 | #endif |
79072805 | 1667 | #ifdef OS2 |
5dd60ef7 | 1668 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1669 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1670 | #endif |
79072805 | 1671 | #ifdef atarist |
760ac839 | 1672 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1673 | #endif |
760ac839 | 1674 | printf("\n\ |
79072805 | 1675 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1676 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1677 | exit(0); |
1678 | case 'w': | |
1679 | dowarn = TRUE; | |
1680 | s++; | |
1681 | return s; | |
a0d0e21e | 1682 | case '*': |
79072805 LW |
1683 | case ' ': |
1684 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1685 | return s+2; | |
1686 | break; | |
a0d0e21e | 1687 | case '-': |
79072805 LW |
1688 | case 0: |
1689 | case '\n': | |
1690 | case '\t': | |
1691 | break; | |
aa689395 | 1692 | #ifdef ALTERNATE_SHEBANG |
1693 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1694 | break; | |
1695 | #endif | |
a0d0e21e LW |
1696 | case 'P': |
1697 | if (preprocess) | |
1698 | return s+1; | |
1699 | /* FALL THROUGH */ | |
79072805 | 1700 | default: |
a0d0e21e | 1701 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1702 | } |
1703 | return Nullch; | |
1704 | } | |
1705 | ||
1706 | /* compliments of Tom Christiansen */ | |
1707 | ||
1708 | /* unexec() can be found in the Gnu emacs distribution */ | |
1709 | ||
1710 | void | |
8ac85365 | 1711 | my_unexec(void) |
79072805 LW |
1712 | { |
1713 | #ifdef UNEXEC | |
46fc3d4c | 1714 | SV* prog; |
1715 | SV* file; | |
79072805 LW |
1716 | int status; |
1717 | extern int etext; | |
1718 | ||
46fc3d4c | 1719 | prog = newSVpv(BIN_EXP); |
1720 | sv_catpv(prog, "/perl"); | |
1721 | file = newSVpv(origfilename); | |
1722 | sv_catpv(file, ".perldump"); | |
79072805 | 1723 | |
46fc3d4c | 1724 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1725 | if (status) |
46fc3d4c | 1726 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1727 | SvPVX(prog), SvPVX(file)); | |
a0d0e21e | 1728 | exit(status); |
79072805 | 1729 | #else |
a5f75d66 AD |
1730 | # ifdef VMS |
1731 | # include <lib$routines.h> | |
1732 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1733 | # else |
79072805 | 1734 | ABORT(); /* for use with undump */ |
aa689395 | 1735 | # endif |
a5f75d66 | 1736 | #endif |
79072805 LW |
1737 | } |
1738 | ||
1739 | static void | |
8ac85365 | 1740 | init_main_stash(void) |
79072805 | 1741 | { |
11343788 | 1742 | dTHR; |
463ee0b2 | 1743 | GV *gv; |
6e72f9df | 1744 | |
1745 | /* Note that strtab is a rather special HV. Assumptions are made | |
1746 | about not iterating on it, and not adding tie magic to it. | |
1747 | It is properly deallocated in perl_destruct() */ | |
1748 | strtab = newHV(); | |
1749 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1750 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1751 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1752 | ||
463ee0b2 | 1753 | curstash = defstash = newHV(); |
79072805 | 1754 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1755 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1756 | SvREFCNT_dec(GvHV(gv)); | |
1757 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1758 | SvREADONLY_on(gv); |
a0d0e21e | 1759 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1760 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1761 | GvMULTI_on(incgv); |
a0d0e21e | 1762 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1763 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1764 | GvMULTI_on(errgv); | |
84902520 | 1765 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1766 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1767 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1768 | curstash = defstash; |
1769 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1770 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1771 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1772 | /* We must init $/ before switches are processed. */ |
1773 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1774 | } |
1775 | ||
a0d0e21e LW |
1776 | #ifdef CAN_PROTOTYPE |
1777 | static void | |
1778 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1779 | #else | |
79072805 LW |
1780 | static void |
1781 | open_script(scriptname,dosearch,sv) | |
1782 | char *scriptname; | |
1783 | bool dosearch; | |
1784 | SV *sv; | |
a0d0e21e | 1785 | #endif |
79072805 | 1786 | { |
0f15f207 | 1787 | dTHR; |
79072805 LW |
1788 | char *xfound = Nullch; |
1789 | char *xfailed = Nullch; | |
1790 | register char *s; | |
1791 | I32 len; | |
a38d6535 LW |
1792 | int retval; |
1793 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1794 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1795 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1796 | #endif |
d8c2d278 IZ |
1797 | #ifdef OS2 |
1798 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1799 | # define MAX_EXT_LEN 4 | |
1800 | #endif | |
ab821d7f | 1801 | #ifdef VMS |
1802 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1803 | # define MAX_EXT_LEN 4 |
ab821d7f | 1804 | #endif |
a38d6535 LW |
1805 | /* additional extensions to try in each dir if scriptname not found */ |
1806 | #ifdef SEARCH_EXTS | |
1807 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1808 | int extidx = 0, i = 0; |
1809 | char *curext = Nullch; | |
fc36a67e | 1810 | #else |
1811 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1812 | #endif |
79072805 | 1813 | |
2a92aaa0 GS |
1814 | /* |
1815 | * If dosearch is true and if scriptname does not contain path | |
1816 | * delimiters, search the PATH for scriptname. | |
1817 | * | |
1818 | * If SEARCH_EXTS is also defined, will look for each | |
1819 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1820 | * while searching the PATH. | |
1821 | * | |
1822 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1823 | * proceeds as follows: | |
1824 | * If DOSISH: | |
1825 | * + look for ./scriptname{,.foo,.bar} | |
1826 | * + search the PATH for scriptname{,.foo,.bar} | |
1827 | * | |
1828 | * If !DOSISH: | |
1829 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1830 | * this will not look in '.' if it's not in the PATH) | |
1831 | */ | |
1832 | ||
c07a80fd | 1833 | #ifdef VMS |
6e72f9df | 1834 | if (dosearch) { |
1835 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1836 | bool seen_dot = 1; |
6e72f9df | 1837 | |
1838 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1839 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1840 | * already have, so we can check for default file types. */ | |
fc36a67e | 1841 | while (deftypes || |
1842 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1843 | { | |
1844 | if (deftypes) { | |
1845 | deftypes = 0; | |
1846 | *tokenbuf = '\0'; | |
1847 | } | |
1848 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1849 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1850 | continue; /* don't search dir with too-long name */ | |
1851 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1852 | #else /* !VMS */ |
2a92aaa0 | 1853 | |
fc36a67e | 1854 | #ifdef DOSISH |
2a92aaa0 | 1855 | if (strEQ(scriptname, "-")) |
84902520 | 1856 | dosearch = 0; |
2a92aaa0 GS |
1857 | if (dosearch) { /* Look in '.' first. */ |
1858 | char *cur = scriptname; | |
1859 | #ifdef SEARCH_EXTS | |
1860 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1861 | while (ext[i]) | |
1862 | if (strEQ(ext[i++],curext)) { | |
1863 | extidx = -1; /* already has an ext */ | |
1864 | break; | |
1865 | } | |
1866 | do { | |
79072805 | 1867 | #endif |
2a92aaa0 GS |
1868 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1869 | "Looking for %s\n",cur)); | |
1870 | if (Stat(cur,&statbuf) >= 0) { | |
1871 | dosearch = 0; | |
1872 | scriptname = cur; | |
84902520 | 1873 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1874 | break; |
84902520 | 1875 | #endif |
2a92aaa0 GS |
1876 | } |
1877 | #ifdef SEARCH_EXTS | |
1878 | if (cur == scriptname) { | |
1879 | len = strlen(scriptname); | |
1880 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1881 | break; | |
1882 | cur = strcpy(tokenbuf, scriptname); | |
1883 | } | |
1884 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1885 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1886 | #endif | |
1887 | } | |
1888 | #endif | |
84902520 | 1889 | |
e92c4225 WJ |
1890 | if (dosearch && !strchr(scriptname, '/') |
1891 | #ifdef DOSISH | |
1892 | && !strchr(scriptname, '\\') | |
1893 | #endif | |
1894 | && (s = getenv("PATH"))) { | |
2a92aaa0 | 1895 | bool seen_dot = 0; |
84902520 | 1896 | |
79072805 | 1897 | bufend = s + strlen(s); |
fc36a67e | 1898 | while (s < bufend) { |
2a92aaa0 GS |
1899 | #if defined(atarist) || defined(DOSISH) |
1900 | for (len = 0; *s | |
1901 | # ifdef atarist | |
1902 | && *s != ',' | |
1903 | # endif | |
1904 | && *s != ';'; len++, s++) { | |
fc36a67e | 1905 | if (len < sizeof tokenbuf) |
1906 | tokenbuf[len] = *s; | |
1907 | } | |
1908 | if (len < sizeof tokenbuf) | |
1909 | tokenbuf[len] = '\0'; | |
84902520 TB |
1910 | #else /* ! (atarist || DOSISH) */ |
1911 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1912 | ':', | |
1913 | &len); | |
1914 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1915 | if (s < bufend) |
79072805 | 1916 | s++; |
fc36a67e | 1917 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1918 | continue; /* don't search dir with too-long name */ | |
1919 | if (len | |
fc36a67e | 1920 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1921 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1922 | && tokenbuf[len - 1] != '\\' |
79072805 | 1923 | #endif |
fc36a67e | 1924 | ) |
1925 | tokenbuf[len++] = '/'; | |
84902520 | 1926 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1927 | seen_dot = 1; |
fc36a67e | 1928 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1929 | #endif /* !VMS */ |
a38d6535 LW |
1930 | |
1931 | #ifdef SEARCH_EXTS | |
1932 | len = strlen(tokenbuf); | |
1933 | if (extidx > 0) /* reset after previous loop */ | |
1934 | extidx = 0; | |
1935 | do { | |
1936 | #endif | |
760ac839 | 1937 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1938 | retval = Stat(tokenbuf,&statbuf); |
1939 | #ifdef SEARCH_EXTS | |
1940 | } while ( retval < 0 /* not there */ | |
1941 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1942 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1943 | ); | |
1944 | #endif | |
1945 | if (retval < 0) | |
79072805 LW |
1946 | continue; |
1947 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1948 | && cando(S_IRUSR,TRUE,&statbuf) |
1949 | #ifndef DOSISH | |
1950 | && cando(S_IXUSR,TRUE,&statbuf) | |
1951 | #endif | |
1952 | ) | |
1953 | { | |
79072805 LW |
1954 | xfound = tokenbuf; /* bingo! */ |
1955 | break; | |
1956 | } | |
1957 | if (!xfailed) | |
a0d0e21e | 1958 | xfailed = savepv(tokenbuf); |
79072805 | 1959 | } |
2a92aaa0 GS |
1960 | #ifndef DOSISH |
1961 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1962 | #endif |
1963 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1964 | if (!xfound) |
84902520 | 1965 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1966 | (xfailed ? "execute" : "find"), |
1967 | (xfailed ? xfailed : scriptname), | |
1968 | (xfailed ? "" : " on PATH"), | |
1969 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1970 | if (xfailed) |
1971 | Safefree(xfailed); | |
1972 | scriptname = xfound; | |
1973 | } | |
1974 | ||
96436eeb | 1975 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1976 | char *s = scriptname + 8; | |
1977 | fdscript = atoi(s); | |
1978 | while (isDIGIT(*s)) | |
1979 | s++; | |
1980 | if (*s) | |
1981 | scriptname = s + 1; | |
1982 | } | |
1983 | else | |
1984 | fdscript = -1; | |
ab821d7f | 1985 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1986 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1987 | if (strEQ(origfilename,"-")) | |
1988 | scriptname = ""; | |
96436eeb | 1989 | if (fdscript >= 0) { |
760ac839 | 1990 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 1991 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1992 | if (rsfp) |
1993 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1994 | #endif |
1995 | } | |
1996 | else if (preprocess) { | |
46fc3d4c | 1997 | char *cpp_cfg = CPPSTDIN; |
1998 | SV *cpp = NEWSV(0,0); | |
1999 | SV *cmd = NEWSV(0,0); | |
2000 | ||
2001 | if (strEQ(cpp_cfg, "cppstdin")) | |
2002 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2003 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2004 | |
79072805 | 2005 | sv_catpv(sv,"-I"); |
fed7345c | 2006 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2007 | |
79072805 | 2008 | #ifdef MSDOS |
46fc3d4c | 2009 | sv_setpvf(cmd, "\ |
79072805 LW |
2010 | sed %s -e \"/^[^#]/b\" \ |
2011 | -e \"/^#[ ]*include[ ]/b\" \ | |
2012 | -e \"/^#[ ]*define[ ]/b\" \ | |
2013 | -e \"/^#[ ]*if[ ]/b\" \ | |
2014 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2015 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2016 | -e \"/^#[ ]*else/b\" \ | |
2017 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2018 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2019 | -e \"/^#[ ]*endif/b\" \ | |
2020 | -e \"s/^#.*//\" \ | |
fc36a67e | 2021 | %s | %_ -C %_ %s", |
79072805 LW |
2022 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2023 | #else | |
46fc3d4c | 2024 | sv_setpvf(cmd, "\ |
79072805 LW |
2025 | %s %s -e '/^[^#]/b' \ |
2026 | -e '/^#[ ]*include[ ]/b' \ | |
2027 | -e '/^#[ ]*define[ ]/b' \ | |
2028 | -e '/^#[ ]*if[ ]/b' \ | |
2029 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2030 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2031 | -e '/^#[ ]*else/b' \ | |
2032 | -e '/^#[ ]*elif[ ]/b' \ | |
2033 | -e '/^#[ ]*undef[ ]/b' \ | |
2034 | -e '/^#[ ]*endif/b' \ | |
2035 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2036 | %s | %_ -C %_ %s", |
79072805 LW |
2037 | #ifdef LOC_SED |
2038 | LOC_SED, | |
2039 | #else | |
2040 | "sed", | |
2041 | #endif | |
2042 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2043 | #endif | |
46fc3d4c | 2044 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2045 | doextract = FALSE; |
2046 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2047 | if (euid != uid && !euid) { /* if running suidperl */ | |
2048 | #ifdef HAS_SETEUID | |
2049 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2050 | #else | |
2051 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2052 | (void)setreuid((Uid_t)-1, uid); |
2053 | #else | |
2054 | #ifdef HAS_SETRESUID | |
2055 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2056 | #else |
2057 | setuid(uid); | |
2058 | #endif | |
2059 | #endif | |
85e6fe83 | 2060 | #endif |
79072805 | 2061 | if (geteuid() != uid) |
463ee0b2 | 2062 | croak("Can't do seteuid!\n"); |
79072805 LW |
2063 | } |
2064 | #endif /* IAMSUID */ | |
46fc3d4c | 2065 | rsfp = my_popen(SvPVX(cmd), "r"); |
2066 | SvREFCNT_dec(cmd); | |
2067 | SvREFCNT_dec(cpp); | |
79072805 LW |
2068 | } |
2069 | else if (!*scriptname) { | |
bbce6d69 | 2070 | forbid_setid("program input from stdin"); |
760ac839 | 2071 | rsfp = PerlIO_stdin(); |
79072805 | 2072 | } |
96436eeb | 2073 | else { |
760ac839 | 2074 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 2075 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2076 | if (rsfp) |
2077 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2078 | #endif |
2079 | } | |
5dd60ef7 | 2080 | if (e_tmpname) { |
2081 | e_fp = rsfp; | |
2082 | } | |
7aa04957 | 2083 | if (!rsfp) { |
13281fa4 | 2084 | #ifdef DOSUID |
a687059c | 2085 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2086 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2087 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2088 | /* try again */ |
2089 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
463ee0b2 | 2090 | croak("Can't do setuid\n"); |
13281fa4 LW |
2091 | } |
2092 | #endif | |
2093 | #endif | |
463ee0b2 | 2094 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2095 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2096 | } |
79072805 | 2097 | } |
8d063cd8 | 2098 | |
79072805 | 2099 | static void |
8ac85365 | 2100 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2101 | { |
96436eeb | 2102 | int which; |
2103 | ||
13281fa4 LW |
2104 | /* do we need to emulate setuid on scripts? */ |
2105 | ||
2106 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2107 | * in the kernel because of a security problem. Merely defining DOSUID | |
2108 | * in perl will not fix that problem, but if you have disabled setuid | |
2109 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2110 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2111 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2112 | * discovers that it has opened a setuid script, it calls suidperl with | |
2113 | * the same argv that it had. If suidperl finds that the script it has | |
2114 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2115 | * uid. We don't just make perl setuid root because that loses the | |
2116 | * effective uid we had before invoking perl, if it was different from the | |
2117 | * uid. | |
13281fa4 LW |
2118 | * |
2119 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2120 | * be defined in suidperl only. suidperl must be setuid root. The | |
2121 | * Configure script will set this up for you if you want it. | |
2122 | */ | |
a687059c | 2123 | |
13281fa4 | 2124 | #ifdef DOSUID |
ea0efc06 | 2125 | dTHR; |
6e72f9df | 2126 | char *s, *s2; |
a0d0e21e | 2127 | |
760ac839 | 2128 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2129 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2130 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2131 | I32 len; |
13281fa4 | 2132 | |
a687059c | 2133 | #ifdef IAMSUID |
fe14fcc3 | 2134 | #ifndef HAS_SETREUID |
a687059c LW |
2135 | /* On this access check to make sure the directories are readable, |
2136 | * there is actually a small window that the user could use to make | |
2137 | * filename point to an accessible directory. So there is a faint | |
2138 | * chance that someone could execute a setuid script down in a | |
2139 | * non-accessible directory. I don't know what to do about that. | |
2140 | * But I don't think it's too important. The manual lies when | |
2141 | * it says access() is useful in setuid programs. | |
2142 | */ | |
463ee0b2 LW |
2143 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
2144 | croak("Permission denied"); | |
a687059c LW |
2145 | #else |
2146 | /* If we can swap euid and uid, then we can determine access rights | |
2147 | * with a simple stat of the file, and then compare device and | |
2148 | * inode to make sure we did stat() on the same file we opened. | |
2149 | * Then we just have to make sure he or she can execute it. | |
2150 | */ | |
2151 | { | |
2152 | struct stat tmpstatbuf; | |
2153 | ||
85e6fe83 LW |
2154 | if ( |
2155 | #ifdef HAS_SETREUID | |
2156 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2157 | #else |
2158 | # if HAS_SETRESUID | |
85e6fe83 | 2159 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2160 | # endif |
85e6fe83 LW |
2161 | #endif |
2162 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2163 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2164 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2165 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2166 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2167 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2168 | (void)PerlIO_close(rsfp); |
79072805 | 2169 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2170 | PerlIO_printf(rsfp, |
ff0cee69 | 2171 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2172 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2173 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2174 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2175 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2176 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 2177 | (void)my_pclose(rsfp); |
a687059c | 2178 | } |
463ee0b2 | 2179 | croak("Permission denied\n"); |
a687059c | 2180 | } |
85e6fe83 LW |
2181 | if ( |
2182 | #ifdef HAS_SETREUID | |
2183 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2184 | #else |
2185 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2186 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2187 | # endif |
85e6fe83 LW |
2188 | #endif |
2189 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2190 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2191 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2192 | croak("Permission denied\n"); |
a687059c | 2193 | } |
fe14fcc3 | 2194 | #endif /* HAS_SETREUID */ |
a687059c LW |
2195 | #endif /* IAMSUID */ |
2196 | ||
27e2fb84 | 2197 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2198 | croak("Permission denied"); |
27e2fb84 | 2199 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2200 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2201 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2202 | curcop->cop_line++; |
760ac839 LW |
2203 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2204 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2205 | croak("No #! line"); |
760ac839 | 2206 | s = SvPV(linestr,na)+2; |
663a0e37 | 2207 | if (*s == ' ') s++; |
45d8adaa | 2208 | while (!isSPACE(*s)) s++; |
760ac839 | 2209 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2210 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2211 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2212 | croak("Not a perl script"); |
a687059c | 2213 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2214 | /* |
2215 | * #! arg must be what we saw above. They can invoke it by | |
2216 | * mentioning suidperl explicitly, but they may not add any strange | |
2217 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2218 | */ | |
2219 | len = strlen(validarg); | |
2220 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2221 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2222 | croak("Args must match #! line"); |
a687059c LW |
2223 | |
2224 | #ifndef IAMSUID | |
2225 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2226 | euid == statbuf.st_uid) | |
2227 | if (!do_undump) | |
463ee0b2 | 2228 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2229 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2230 | #endif /* IAMSUID */ | |
13281fa4 LW |
2231 | |
2232 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2233 | (void)PerlIO_close(rsfp); |
13281fa4 | 2234 | #ifndef IAMSUID |
46fc3d4c | 2235 | /* try again */ |
2236 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
13281fa4 | 2237 | #endif |
463ee0b2 | 2238 | croak("Can't do setuid\n"); |
13281fa4 LW |
2239 | } |
2240 | ||
83025b21 | 2241 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2242 | #ifdef HAS_SETEGID |
a687059c LW |
2243 | (void)setegid(statbuf.st_gid); |
2244 | #else | |
fe14fcc3 | 2245 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2246 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2247 | #else | |
2248 | #ifdef HAS_SETRESGID | |
2249 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2250 | #else |
2251 | setgid(statbuf.st_gid); | |
2252 | #endif | |
2253 | #endif | |
85e6fe83 | 2254 | #endif |
83025b21 | 2255 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2256 | croak("Can't do setegid!\n"); |
83025b21 | 2257 | } |
a687059c LW |
2258 | if (statbuf.st_mode & S_ISUID) { |
2259 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2260 | #ifdef HAS_SETEUID |
a687059c LW |
2261 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2262 | #else | |
fe14fcc3 | 2263 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2264 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2265 | #else | |
2266 | #ifdef HAS_SETRESUID | |
2267 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2268 | #else |
2269 | setuid(statbuf.st_uid); | |
2270 | #endif | |
2271 | #endif | |
85e6fe83 | 2272 | #endif |
83025b21 | 2273 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2274 | croak("Can't do seteuid!\n"); |
a687059c | 2275 | } |
83025b21 | 2276 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2277 | #ifdef HAS_SETEUID |
85e6fe83 | 2278 | (void)seteuid((Uid_t)uid); |
a687059c | 2279 | #else |
fe14fcc3 | 2280 | #ifdef HAS_SETREUID |
85e6fe83 | 2281 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2282 | #else |
85e6fe83 LW |
2283 | #ifdef HAS_SETRESUID |
2284 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2285 | #else | |
2286 | setuid((Uid_t)uid); | |
2287 | #endif | |
a687059c LW |
2288 | #endif |
2289 | #endif | |
83025b21 | 2290 | if (geteuid() != uid) |
463ee0b2 | 2291 | croak("Can't do seteuid!\n"); |
83025b21 | 2292 | } |
748a9306 | 2293 | init_ids(); |
27e2fb84 | 2294 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2295 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2296 | } |
2297 | #ifdef IAMSUID | |
2298 | else if (preprocess) | |
463ee0b2 | 2299 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2300 | else if (fdscript >= 0) |
2301 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2302 | else |
463ee0b2 | 2303 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2304 | |
2305 | /* We absolutely must clear out any saved ids here, so we */ | |
2306 | /* exec the real perl, substituting fd script for scriptname. */ | |
2307 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
2308 | PerlIO_rewind(rsfp); |
2309 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 2310 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2311 | if (!origargv[which]) | |
2312 | croak("Permission denied"); | |
46fc3d4c | 2313 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2314 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2315 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2316 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2317 | #endif |
46fc3d4c | 2318 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2319 | croak("Can't do setuid\n"); |
13281fa4 | 2320 | #endif /* IAMSUID */ |
a687059c | 2321 | #else /* !DOSUID */ |
a687059c LW |
2322 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2323 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2324 | dTHR; |
760ac839 | 2325 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2326 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2327 | || | |
2328 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2329 | ) | |
2330 | if (!do_undump) | |
463ee0b2 | 2331 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2332 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2333 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2334 | /* not set-id, must be wrapped */ | |
a687059c | 2335 | } |
13281fa4 | 2336 | #endif /* DOSUID */ |
79072805 | 2337 | } |
13281fa4 | 2338 | |
79072805 | 2339 | static void |
8ac85365 | 2340 | find_beginning(void) |
79072805 | 2341 | { |
6e72f9df | 2342 | register char *s, *s2; |
33b78306 LW |
2343 | |
2344 | /* skip forward in input to the real script? */ | |
2345 | ||
bbce6d69 | 2346 | forbid_setid("-x"); |
33b78306 | 2347 | while (doextract) { |
79072805 | 2348 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2349 | croak("No Perl script found in input\n"); |
6e72f9df | 2350 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2351 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2352 | doextract = FALSE; |
6e72f9df | 2353 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2354 | s2 = s; | |
2355 | while (*s == ' ' || *s == '\t') s++; | |
2356 | if (*s++ == '-') { | |
2357 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2358 | if (strnEQ(s2-4,"perl",4)) | |
2359 | /*SUPPRESS 530*/ | |
2360 | while (s = moreswitches(s)) ; | |
33b78306 | 2361 | } |
79072805 | 2362 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2363 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2364 | } |
2365 | } | |
2366 | } | |
2367 | ||
79072805 | 2368 | static void |
8ac85365 | 2369 | init_ids(void) |
352d5a3a | 2370 | { |
748a9306 LW |
2371 | uid = (int)getuid(); |
2372 | euid = (int)geteuid(); | |
2373 | gid = (int)getgid(); | |
2374 | egid = (int)getegid(); | |
2375 | #ifdef VMS | |
2376 | uid |= gid << 16; | |
2377 | euid |= egid << 16; | |
2378 | #endif | |
4633a7c4 | 2379 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2380 | } |
79072805 | 2381 | |
748a9306 | 2382 | static void |
8ac85365 | 2383 | forbid_setid(char *s) |
bbce6d69 | 2384 | { |
2385 | if (euid != uid) | |
2386 | croak("No %s allowed while running setuid", s); | |
2387 | if (egid != gid) | |
2388 | croak("No %s allowed while running setgid", s); | |
2389 | } | |
2390 | ||
2391 | static void | |
8ac85365 | 2392 | init_debugger(void) |
748a9306 | 2393 | { |
11343788 | 2394 | dTHR; |
79072805 | 2395 | curstash = debstash; |
748a9306 | 2396 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2397 | AvREAL_off(dbargs); |
a0d0e21e LW |
2398 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2399 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2400 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2401 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2402 | sv_setiv(DBsingle, 0); |
748a9306 | 2403 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2404 | sv_setiv(DBtrace, 0); |
748a9306 | 2405 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2406 | sv_setiv(DBsignal, 0); |
79072805 | 2407 | curstash = defstash; |
352d5a3a LW |
2408 | } |
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 */ | |
6e72f9df | 2416 | av_extend(curstack,127); |
79072805 | 2417 | |
6e72f9df | 2418 | stack_base = AvARRAY(curstack); |
79072805 | 2419 | stack_sp = stack_base; |
8990e307 | 2420 | stack_max = stack_base + 127; |
79072805 | 2421 | |
c09156bb MB |
2422 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2423 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); | |
8990e307 | 2424 | cxstack_ix = -1; |
8990e307 LW |
2425 | |
2426 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2427 | tmps_floor = -1; |
8990e307 LW |
2428 | tmps_ix = -1; |
2429 | tmps_max = 128; | |
2430 | ||
5f05dabc | 2431 | /* |
2432 | * The following stacks almost certainly should be per-interpreter, | |
2433 | * but for now they're not. XXX | |
2434 | */ | |
2435 | ||
6e72f9df | 2436 | if (markstack) { |
2437 | markstack_ptr = markstack; | |
2438 | } else { | |
2439 | New(54,markstack,64,I32); | |
2440 | markstack_ptr = markstack; | |
2441 | markstack_max = markstack + 64; | |
2442 | } | |
79072805 | 2443 | |
6e72f9df | 2444 | if (scopestack) { |
2445 | scopestack_ix = 0; | |
2446 | } else { | |
2447 | New(54,scopestack,32,I32); | |
2448 | scopestack_ix = 0; | |
2449 | scopestack_max = 32; | |
2450 | } | |
79072805 | 2451 | |
6e72f9df | 2452 | if (savestack) { |
2453 | savestack_ix = 0; | |
2454 | } else { | |
2455 | New(54,savestack,128,ANY); | |
2456 | savestack_ix = 0; | |
2457 | savestack_max = 128; | |
2458 | } | |
79072805 | 2459 | |
6e72f9df | 2460 | if (retstack) { |
2461 | retstack_ix = 0; | |
2462 | } else { | |
2463 | New(54,retstack,16,OP*); | |
2464 | retstack_ix = 0; | |
2465 | retstack_max = 16; | |
5f05dabc | 2466 | } |
378cc40b | 2467 | } |
33b78306 | 2468 | |
6e72f9df | 2469 | static void |
8ac85365 | 2470 | nuke_stacks(void) |
6e72f9df | 2471 | { |
e858de61 | 2472 | dTHR; |
6e72f9df | 2473 | Safefree(cxstack); |
2474 | Safefree(tmps_stack); | |
5f05dabc | 2475 | DEBUG( { |
2476 | Safefree(debname); | |
2477 | Safefree(debdelim); | |
2478 | } ) | |
378cc40b | 2479 | } |
33b78306 | 2480 | |
760ac839 | 2481 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2482 | |
79072805 | 2483 | static void |
8ac85365 | 2484 | init_lexer(void) |
8990e307 | 2485 | { |
a0d0e21e | 2486 | tmpfp = rsfp; |
90248788 | 2487 | rsfp = Nullfp; |
8990e307 LW |
2488 | lex_start(linestr); |
2489 | rsfp = tmpfp; | |
2490 | subname = newSVpv("main",4); | |
2491 | } | |
2492 | ||
2493 | static void | |
8ac85365 | 2494 | init_predump_symbols(void) |
45d8adaa | 2495 | { |
11343788 | 2496 | dTHR; |
93a17b20 | 2497 | GV *tmpgv; |
a0d0e21e | 2498 | GV *othergv; |
79072805 | 2499 | |
a863c7d1 | 2500 | #ifdef USE_THREADS |
54b9620d | 2501 | sv_setpvn(*av_fetch(thr->threadsv,find_threadsv("\""),FALSE)," ", 1); |
a863c7d1 | 2502 | #else |
85e6fe83 | 2503 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
a863c7d1 | 2504 | #endif /* USE_THREADS */ |
79072805 | 2505 | |
85e6fe83 | 2506 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2507 | GvMULTI_on(stdingv); |
760ac839 | 2508 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2509 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2510 | GvMULTI_on(tmpgv); |
a0d0e21e | 2511 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2512 | |
85e6fe83 | 2513 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2514 | GvMULTI_on(tmpgv); |
760ac839 | 2515 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2516 | setdefout(tmpgv); |
adbc6bb1 | 2517 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2518 | GvMULTI_on(tmpgv); |
a0d0e21e | 2519 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2520 | |
a0d0e21e | 2521 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2522 | GvMULTI_on(othergv); |
760ac839 | 2523 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2524 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2525 | GvMULTI_on(tmpgv); |
a0d0e21e | 2526 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2527 | |
2528 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2529 | |
6e72f9df | 2530 | if (!osname) |
2531 | osname = savepv(OSNAME); | |
79072805 | 2532 | } |
33b78306 | 2533 | |
79072805 | 2534 | static void |
8ac85365 | 2535 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2536 | { |
a863c7d1 | 2537 | dTHR; |
79072805 LW |
2538 | char *s; |
2539 | SV *sv; | |
2540 | GV* tmpgv; | |
fe14fcc3 | 2541 | |
79072805 LW |
2542 | argc--,argv++; /* skip name of script */ |
2543 | if (doswitches) { | |
2544 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2545 | if (!argv[0][1]) | |
2546 | break; | |
2547 | if (argv[0][1] == '-') { | |
2548 | argc--,argv++; | |
2549 | break; | |
2550 | } | |
93a17b20 | 2551 | if (s = strchr(argv[0], '=')) { |
79072805 | 2552 | *s++ = '\0'; |
85e6fe83 | 2553 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2554 | } |
2555 | else | |
85e6fe83 | 2556 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2557 | } |
79072805 LW |
2558 | } |
2559 | toptarget = NEWSV(0,0); | |
2560 | sv_upgrade(toptarget, SVt_PVFM); | |
2561 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2562 | bodytarget = NEWSV(0,0); |
79072805 LW |
2563 | sv_upgrade(bodytarget, SVt_PVFM); |
2564 | sv_setpvn(bodytarget, "", 0); | |
2565 | formtarget = bodytarget; | |
2566 | ||
bbce6d69 | 2567 | TAINT; |
85e6fe83 | 2568 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2569 | sv_setpv(GvSV(tmpgv),origfilename); |
2570 | magicname("0", "0", 1); | |
2571 | } | |
85e6fe83 | 2572 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2573 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2574 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2575 | GvMULTI_on(argvgv); |
79072805 LW |
2576 | (void)gv_AVadd(argvgv); |
2577 | av_clear(GvAVn(argvgv)); | |
2578 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2579 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2580 | } |
2581 | } | |
85e6fe83 | 2582 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2583 | HV *hv; |
a5f75d66 | 2584 | GvMULTI_on(envgv); |
79072805 | 2585 | hv = GvHVn(envgv); |
5aabfad6 | 2586 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2587 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2588 | /* Note that if the supplied env parameter is actually a copy |
2589 | of the global environ then it may now point to free'd memory | |
2590 | if the environment has been modified since. To avoid this | |
2591 | problem we treat env==NULL as meaning 'use the default' | |
2592 | */ | |
2593 | if (!env) | |
2594 | env = environ; | |
5aabfad6 | 2595 | if (env != environ) |
79072805 LW |
2596 | environ[0] = Nullch; |
2597 | for (; *env; env++) { | |
93a17b20 | 2598 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2599 | continue; |
2600 | *s++ = '\0'; | |
137443ea | 2601 | #ifdef WIN32 |
2602 | (void)strupr(*env); | |
2603 | #endif | |
79072805 LW |
2604 | sv = newSVpv(s--,0); |
2605 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2606 | *s = '='; | |
3e3baf6d TB |
2607 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2608 | /* Sins of the RTL. See note in my_setenv(). */ | |
2609 | (void)putenv(savepv(*env)); | |
2610 | #endif | |
fe14fcc3 | 2611 | } |
4550b24a | 2612 | #endif |
2613 | #ifdef DYNAMIC_ENV_FETCH | |
2614 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2615 | #endif | |
79072805 | 2616 | } |
bbce6d69 | 2617 | TAINT_NOT; |
85e6fe83 | 2618 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2619 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2620 | } |
34de22dd | 2621 | |
79072805 | 2622 | static void |
8ac85365 | 2623 | init_perllib(void) |
34de22dd | 2624 | { |
85e6fe83 LW |
2625 | char *s; |
2626 | if (!tainting) { | |
552a7a9b | 2627 | #ifndef VMS |
85e6fe83 LW |
2628 | s = getenv("PERL5LIB"); |
2629 | if (s) | |
774d564b | 2630 | incpush(s, TRUE); |
85e6fe83 | 2631 | else |
774d564b | 2632 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2633 | #else /* VMS */ |
2634 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2635 | * "natural" VMS idiom for a Unix path string. We allow each | |
2636 | * element to be a set of |-separated directories for compatibility. | |
2637 | */ | |
2638 | char buf[256]; | |
2639 | int idx = 0; | |
2640 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2641 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2642 | else |
774d564b | 2643 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2644 | #endif /* VMS */ |
85e6fe83 | 2645 | } |
34de22dd | 2646 | |
c90c0ff4 | 2647 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2648 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2649 | */ | |
4633a7c4 | 2650 | #ifdef APPLLIB_EXP |
774d564b | 2651 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2652 | #endif |
4633a7c4 | 2653 | |
fed7345c | 2654 | #ifdef ARCHLIB_EXP |
774d564b | 2655 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2656 | #endif |
fed7345c AD |
2657 | #ifndef PRIVLIB_EXP |
2658 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2659 | #endif |
774d564b | 2660 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2661 | |
2662 | #ifdef SITEARCH_EXP | |
774d564b | 2663 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2664 | #endif |
2665 | #ifdef SITELIB_EXP | |
774d564b | 2666 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2667 | #endif |
2668 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2669 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2670 | #endif |
a0d0e21e | 2671 | |
4633a7c4 | 2672 | if (!tainting) |
774d564b | 2673 | incpush(".", FALSE); |
2674 | } | |
2675 | ||
2676 | #if defined(DOSISH) | |
2677 | # define PERLLIB_SEP ';' | |
2678 | #else | |
2679 | # if defined(VMS) | |
2680 | # define PERLLIB_SEP '|' | |
2681 | # else | |
2682 | # define PERLLIB_SEP ':' | |
2683 | # endif | |
2684 | #endif | |
2685 | #ifndef PERLLIB_MANGLE | |
2686 | # define PERLLIB_MANGLE(s,n) (s) | |
2687 | #endif | |
2688 | ||
2689 | static void | |
8ac85365 | 2690 | incpush(char *p, int addsubdirs) |
774d564b | 2691 | { |
2692 | SV *subdir = Nullsv; | |
2693 | static char *archpat_auto; | |
2694 | ||
2695 | if (!p) | |
2696 | return; | |
2697 | ||
2698 | if (addsubdirs) { | |
2699 | subdir = newSV(0); | |
2700 | if (!archpat_auto) { | |
2701 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2702 | + sizeof("//auto")); | |
2703 | New(55, archpat_auto, len, char); | |
2704 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2705 | #ifdef VMS |
2706 | for (len = sizeof(ARCHNAME) + 2; | |
2707 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2708 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2709 | #endif | |
774d564b | 2710 | } |
2711 | } | |
2712 | ||
2713 | /* Break at all separators */ | |
2714 | while (p && *p) { | |
2715 | SV *libdir = newSV(0); | |
2716 | char *s; | |
2717 | ||
2718 | /* skip any consecutive separators */ | |
2719 | while ( *p == PERLLIB_SEP ) { | |
2720 | /* Uncomment the next line for PATH semantics */ | |
2721 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2722 | p++; | |
2723 | } | |
2724 | ||
2725 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2726 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2727 | (STRLEN)(s - p)); | |
2728 | p = s + 1; | |
2729 | } | |
2730 | else { | |
2731 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2732 | p = Nullch; /* break out */ | |
2733 | } | |
2734 | ||
2735 | /* | |
2736 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2737 | * archname-specific sub-directories. | |
2738 | */ | |
2739 | if (addsubdirs) { | |
2740 | struct stat tmpstatbuf; | |
aa689395 | 2741 | #ifdef VMS |
2742 | char *unix; | |
2743 | STRLEN len; | |
774d564b | 2744 | |
aa689395 | 2745 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2746 | len = strlen(unix); | |
2747 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2748 | sv_usepvn(libdir,unix,len); | |
2749 | } | |
2750 | else | |
2751 | PerlIO_printf(PerlIO_stderr(), | |
2752 | "Failed to unixify @INC element \"%s\"\n", | |
2753 | SvPV(libdir,na)); | |
2754 | #endif | |
4fdae800 | 2755 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2756 | sv_setsv(subdir, libdir); |
2757 | sv_catpv(subdir, archpat_auto); | |
2758 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2759 | S_ISDIR(tmpstatbuf.st_mode)) | |
2760 | av_push(GvAVn(incgv), | |
2761 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2762 | ||
4fdae800 | 2763 | /* .../archname if -d .../archname/auto */ |
774d564b | 2764 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2765 | strlen(patchlevel) + 1, "", 0); | |
2766 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2767 | S_ISDIR(tmpstatbuf.st_mode)) | |
2768 | av_push(GvAVn(incgv), | |
2769 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2770 | } | |
2771 | ||
2772 | /* finally push this lib directory on the end of @INC */ | |
2773 | av_push(GvAVn(incgv), libdir); | |
2774 | } | |
2775 | ||
2776 | SvREFCNT_dec(subdir); | |
34de22dd | 2777 | } |
93a17b20 | 2778 | |
199100c8 MB |
2779 | #ifdef USE_THREADS |
2780 | static struct thread * | |
2781 | init_main_thread() | |
2782 | { | |
2783 | struct thread *thr; | |
2784 | XPV *xpv; | |
2785 | ||
2786 | Newz(53, thr, 1, struct thread); | |
2787 | curcop = &compiling; | |
2788 | thr->cvcache = newHV(); | |
54b9620d | 2789 | thr->threadsv = newAV(); |
199100c8 | 2790 | thr->specific = newAV(); |
38a03e6e | 2791 | thr->errhv = newHV(); |
199100c8 MB |
2792 | thr->flags = THRf_R_JOINABLE; |
2793 | MUTEX_INIT(&thr->mutex); | |
2794 | /* Handcraft thrsv similarly to mess_sv */ | |
2795 | New(53, thrsv, 1, SV); | |
2796 | Newz(53, xpv, 1, XPV); | |
2797 | SvFLAGS(thrsv) = SVt_PV; | |
2798 | SvANY(thrsv) = (void*)xpv; | |
2799 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2800 | SvPVX(thrsv) = (char*)thr; | |
2801 | SvCUR_set(thrsv, sizeof(thr)); | |
2802 | SvLEN_set(thrsv, sizeof(thr)); | |
2803 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2804 | thr->oursv = thrsv; | |
2805 | curcop = &compiling; | |
2806 | chopset = " \n-"; | |
2807 | ||
2808 | MUTEX_LOCK(&threads_mutex); | |
2809 | nthreads++; | |
2810 | thr->tid = 0; | |
2811 | thr->next = thr; | |
2812 | thr->prev = thr; | |
2813 | MUTEX_UNLOCK(&threads_mutex); | |
2814 | ||
4b026b9e GS |
2815 | #ifdef HAVE_THREAD_INTERN |
2816 | init_thread_intern(thr); | |
235db74f GS |
2817 | #endif |
2818 | ||
2819 | #ifdef SET_THREAD_SELF | |
2820 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2821 | #else |
2822 | thr->self = pthread_self(); | |
235db74f | 2823 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2824 | SET_THR(thr); |
2825 | ||
2826 | /* | |
2827 | * These must come after the SET_THR because sv_setpvn does | |
2828 | * SvTAINT and the taint fields require dTHR. | |
2829 | */ | |
2830 | toptarget = NEWSV(0,0); | |
2831 | sv_upgrade(toptarget, SVt_PVFM); | |
2832 | sv_setpvn(toptarget, "", 0); | |
2833 | bodytarget = NEWSV(0,0); | |
2834 | sv_upgrade(bodytarget, SVt_PVFM); | |
2835 | sv_setpvn(bodytarget, "", 0); | |
2836 | formtarget = bodytarget; | |
2faa37cc | 2837 | thr->errsv = newSVpv("", 0); |
199100c8 MB |
2838 | return thr; |
2839 | } | |
2840 | #endif /* USE_THREADS */ | |
2841 | ||
93a17b20 | 2842 | void |
8ac85365 | 2843 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2844 | { |
11343788 | 2845 | dTHR; |
a0d0e21e | 2846 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2847 | STRLEN len; |
2848 | dJMPENV; | |
2849 | int ret; | |
93a17b20 | 2850 | |
8990e307 LW |
2851 | while (AvFILL(list) >= 0) { |
2852 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2853 | |
8990e307 | 2854 | SAVEFREESV(cv); |
a0d0e21e | 2855 | |
22921e25 CS |
2856 | JMPENV_PUSH(ret); |
2857 | switch (ret) { | |
748a9306 | 2858 | case 0: { |
38a03e6e | 2859 | SV* atsv = ERRSV; |
748a9306 LW |
2860 | PUSHMARK(stack_sp); |
2861 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2862 | (void)SvPV(atsv, len); |
748a9306 | 2863 | if (len) { |
54310121 | 2864 | JMPENV_POP; |
748a9306 LW |
2865 | curcop = &compiling; |
2866 | curcop->cop_line = oldline; | |
2867 | if (list == beginav) | |
12f917ad | 2868 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2869 | else |
12f917ad | 2870 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2871 | while (scopestack_ix > oldscope) |
2872 | LEAVE; | |
12f917ad | 2873 | croak("%s", SvPVX(atsv)); |
748a9306 | 2874 | } |
a0d0e21e | 2875 | } |
85e6fe83 LW |
2876 | break; |
2877 | case 1: | |
f86702cc | 2878 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2879 | /* FALL THROUGH */ |
2880 | case 2: | |
2881 | /* my_exit() was called */ | |
2ae324a7 | 2882 | while (scopestack_ix > oldscope) |
2883 | LEAVE; | |
84902520 | 2884 | FREETMPS; |
85e6fe83 LW |
2885 | curstash = defstash; |
2886 | if (endav) | |
68dc0745 | 2887 | call_list(oldscope, endav); |
54310121 | 2888 | JMPENV_POP; |
a0d0e21e LW |
2889 | curcop = &compiling; |
2890 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2891 | if (statusvalue) { |
2892 | if (list == beginav) | |
a0d0e21e | 2893 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2894 | else |
a0d0e21e | 2895 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2896 | } |
f86702cc | 2897 | my_exit_jump(); |
85e6fe83 | 2898 | /* NOTREACHED */ |
85e6fe83 LW |
2899 | case 3: |
2900 | if (!restartop) { | |
760ac839 | 2901 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2902 | FREETMPS; |
85e6fe83 LW |
2903 | break; |
2904 | } | |
54310121 | 2905 | JMPENV_POP; |
a0d0e21e LW |
2906 | curcop = &compiling; |
2907 | curcop->cop_line = oldline; | |
54310121 | 2908 | JMPENV_JUMP(3); |
8990e307 | 2909 | } |
54310121 | 2910 | JMPENV_POP; |
93a17b20 | 2911 | } |
93a17b20 | 2912 | } |
93a17b20 | 2913 | |
f86702cc | 2914 | void |
8ac85365 | 2915 | my_exit(U32 status) |
f86702cc | 2916 | { |
5dc0d613 MB |
2917 | dTHR; |
2918 | ||
2919 | #ifdef USE_THREADS | |
a863c7d1 MB |
2920 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2921 | thr, (unsigned long) status)); | |
5dc0d613 | 2922 | #endif /* USE_THREADS */ |
f86702cc | 2923 | switch (status) { |
2924 | case 0: | |
2925 | STATUS_ALL_SUCCESS; | |
2926 | break; | |
2927 | case 1: | |
2928 | STATUS_ALL_FAILURE; | |
2929 | break; | |
2930 | default: | |
2931 | STATUS_NATIVE_SET(status); | |
2932 | break; | |
2933 | } | |
2934 | my_exit_jump(); | |
2935 | } | |
2936 | ||
2937 | void | |
8ac85365 | 2938 | my_failure_exit(void) |
f86702cc | 2939 | { |
2940 | #ifdef VMS | |
2941 | if (vaxc$errno & 1) { | |
4fdae800 | 2942 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2943 | STATUS_NATIVE_SET(44); | |
f86702cc | 2944 | } |
2945 | else { | |
ff0cee69 | 2946 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2947 | STATUS_NATIVE_SET(44); |
f86702cc | 2948 | else |
4fdae800 | 2949 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2950 | } |
2951 | #else | |
2952 | if (errno & 255) | |
2953 | STATUS_POSIX_SET(errno); | |
2954 | else if (STATUS_POSIX == 0) | |
2955 | STATUS_POSIX_SET(255); | |
2956 | #endif | |
2957 | my_exit_jump(); | |
93a17b20 LW |
2958 | } |
2959 | ||
f86702cc | 2960 | static void |
8ac85365 | 2961 | my_exit_jump(void) |
f86702cc | 2962 | { |
e858de61 | 2963 | dTHR; |
c09156bb | 2964 | register PERL_CONTEXT *cx; |
f86702cc | 2965 | I32 gimme; |
2966 | SV **newsp; | |
2967 | ||
2968 | if (e_tmpname) { | |
2969 | if (e_fp) { | |
2970 | PerlIO_close(e_fp); | |
2971 | e_fp = Nullfp; | |
2972 | } | |
2973 | (void)UNLINK(e_tmpname); | |
2974 | Safefree(e_tmpname); | |
2975 | e_tmpname = Nullch; | |
2976 | } | |
2977 | ||
2978 | if (cxstack_ix >= 0) { | |
2979 | if (cxstack_ix > 0) | |
2980 | dounwind(0); | |
2981 | POPBLOCK(cx,curpm); | |
2982 | LEAVE; | |
2983 | } | |
ff0cee69 | 2984 | |
54310121 | 2985 | JMPENV_JUMP(2); |
f86702cc | 2986 | } |
4e35701f | 2987 | |
aeea060c | 2988 |