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)); | |
72 | static void init_perllib _((void)); | |
73 | static void init_postdump_symbols _((int, char **, char **)); | |
74 | static void init_predump_symbols _((void)); | |
f86702cc | 75 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 76 | static void nuke_stacks _((void)); |
a0d0e21e | 77 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 78 | static void usage _((char *)); |
96436eeb | 79 | static void validate_suid _((char *, char*)); |
80 | ||
81 | static int fdscript = -1; | |
79072805 | 82 | |
77a005ab MB |
83 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
84 | #include <asm/sigcontext.h> | |
85 | static void | |
86 | catch_sigsegv(int signo, struct sigcontext_struct sc) | |
87 | { | |
88 | signal(SIGSEGV, SIG_DFL); | |
89 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" | |
90 | "return_address = 0x%lx, eip = 0x%lx\n", | |
91 | sc.cr2, __builtin_return_address(0), sc.eip); | |
92 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); | |
93 | } | |
94 | #endif | |
95 | ||
93a17b20 | 96 | PerlInterpreter * |
79072805 LW |
97 | perl_alloc() |
98 | { | |
93a17b20 | 99 | PerlInterpreter *sv_interp; |
79072805 | 100 | |
8990e307 | 101 | curinterp = 0; |
93a17b20 | 102 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
103 | return sv_interp; |
104 | } | |
105 | ||
106 | void | |
107 | perl_construct( sv_interp ) | |
93a17b20 | 108 | register PerlInterpreter *sv_interp; |
79072805 | 109 | { |
0f15f207 | 110 | #if defined(USE_THREADS) && !defined(FAKE_THREADS) |
11343788 | 111 | struct thread *thr; |
0f15f207 | 112 | #endif |
11343788 | 113 | |
79072805 LW |
114 | if (!(curinterp = sv_interp)) |
115 | return; | |
116 | ||
8990e307 | 117 | #ifdef MULTIPLICITY |
93a17b20 | 118 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 119 | #endif |
79072805 | 120 | |
33f46ff6 | 121 | /* Init the real globals (and main thread)? */ |
c116a00c | 122 | if (!linestr) { |
11343788 | 123 | #ifdef USE_THREADS |
33f46ff6 | 124 | INIT_THREADS; |
c116a00c MB |
125 | New(53, thr, 1, struct thread); |
126 | MUTEX_INIT(&malloc_mutex); | |
127 | MUTEX_INIT(&sv_mutex); | |
128 | MUTEX_INIT(&eval_mutex); | |
129 | COND_INIT(&eval_cond); | |
33f46ff6 | 130 | MUTEX_INIT(&threads_mutex); |
c116a00c MB |
131 | COND_INIT(&nthreads_cond); |
132 | nthreads = 1; | |
133 | cvcache = newHV(); | |
c116a00c | 134 | curcop = &compiling; |
605e5515 MB |
135 | thr->flags = THRf_R_JOINABLE; |
136 | MUTEX_INIT(&thr->mutex); | |
33f46ff6 MB |
137 | thr->next = thr; |
138 | thr->prev = thr; | |
33f46ff6 | 139 | thr->tid = 0; |
c7848ba1 MB |
140 | #ifdef HAVE_THREAD_INTERN |
141 | init_thread_intern(thr); | |
0f15f207 | 142 | #else |
c116a00c | 143 | self = pthread_self(); |
33f46ff6 | 144 | if (pthread_key_create(&thr_key, 0)) |
c116a00c MB |
145 | croak("panic: pthread_key_create"); |
146 | if (pthread_setspecific(thr_key, (void *) thr)) | |
147 | croak("panic: pthread_setspecific"); | |
148 | #endif /* FAKE_THREADS */ | |
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 | |
748a9306 | 228 | perl_destruct(sv_interp) |
93a17b20 | 229 | register PerlInterpreter *sv_interp; |
79072805 | 230 | { |
11343788 | 231 | dTHR; |
748a9306 | 232 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 233 | I32 last_sv_count; |
a0d0e21e | 234 | HV *hv; |
33f46ff6 | 235 | Thread t; |
8990e307 | 236 | |
79072805 LW |
237 | if (!(curinterp = sv_interp)) |
238 | return; | |
748a9306 | 239 | |
11343788 | 240 | #ifdef USE_THREADS |
0f15f207 | 241 | #ifndef FAKE_THREADS |
605e5515 | 242 | /* Join with any remaining non-detached threads */ |
33f46ff6 MB |
243 | MUTEX_LOCK(&threads_mutex); |
244 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 245 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
246 | nthreads - 1)); |
247 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
248 | MUTEX_LOCK(&t->mutex); |
249 | switch (ThrSTATE(t)) { | |
250 | AV *av; | |
c7848ba1 MB |
251 | case THRf_ZOMBIE: |
252 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
253 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
254 | ThrSETSTATE(t, THRf_DEAD); |
255 | MUTEX_UNLOCK(&t->mutex); | |
256 | nthreads--; | |
257 | MUTEX_UNLOCK(&threads_mutex); | |
258 | if (pthread_join(t->Tself, (void**)&av)) | |
259 | croak("panic: pthread_join failed during global destruction"); | |
260 | SvREFCNT_dec((SV*)av); | |
c7848ba1 MB |
261 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
262 | "perl_destruct: joined zombie %p OK\n", t)); | |
605e5515 | 263 | break; |
c7848ba1 MB |
264 | case THRf_R_JOINABLE: |
265 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
266 | "perl_destruct: detaching thread %p\n", t)); | |
267 | ThrSETSTATE(t, THRf_R_DETACHED); | |
268 | /* | |
269 | * We unlock threads_mutex and t->mutex in the opposite order | |
270 | * from which we locked them just so that DETACH won't | |
271 | * deadlock if it panics. It's only a breach of good style | |
272 | * not a bug since they are unlocks not locks. | |
273 | */ | |
274 | MUTEX_UNLOCK(&threads_mutex); | |
275 | DETACH(t); | |
276 | MUTEX_UNLOCK(&t->mutex); | |
277 | break; | |
278 | default: | |
279 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
280 | "perl_destruct: ignoring %p (state %u)\n", | |
281 | t, ThrSTATE(t))); | |
282 | MUTEX_UNLOCK(&t->mutex); | |
283 | MUTEX_UNLOCK(&threads_mutex); | |
284 | /* fall through and out */ | |
33f46ff6 MB |
285 | } |
286 | } | |
287 | /* Now wait for the thread count nthreads to drop to one */ | |
11343788 MB |
288 | while (nthreads > 1) |
289 | { | |
33f46ff6 | 290 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 291 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
292 | nthreads - 1)); |
293 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
294 | } |
295 | /* At this point, we're the last thread */ | |
33f46ff6 | 296 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 297 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 298 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 299 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 300 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
301 | #endif /* USE_THREADS */ |
302 | ||
748a9306 | 303 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
304 | #ifdef DEBUGGING |
305 | { | |
306 | char *s; | |
5f05dabc | 307 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
308 | int i = atoi(s); | |
309 | if (destruct_level < i) | |
310 | destruct_level = i; | |
311 | } | |
4633a7c4 LW |
312 | } |
313 | #endif | |
314 | ||
8990e307 | 315 | LEAVE; |
a0d0e21e LW |
316 | FREETMPS; |
317 | ||
ff0cee69 | 318 | /* We must account for everything. */ |
319 | ||
320 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 321 | if (main_root) { |
322 | curpad = AvARRAY(comppad); | |
323 | op_free(main_root); | |
ff0cee69 | 324 | main_root = Nullop; |
a0d0e21e | 325 | } |
ff0cee69 | 326 | main_start = Nullop; |
327 | SvREFCNT_dec(main_cv); | |
328 | main_cv = Nullcv; | |
329 | ||
a0d0e21e LW |
330 | if (sv_objcount) { |
331 | /* | |
332 | * Try to destruct global references. We do this first so that the | |
333 | * destructors and destructees still exist. Some sv's might remain. | |
334 | * Non-referenced objects are on their own. | |
335 | */ | |
336 | ||
337 | dirty = TRUE; | |
338 | sv_clean_objs(); | |
8990e307 LW |
339 | } |
340 | ||
5cd24f17 | 341 | /* unhook hooks which will soon be, or use, destroyed data */ |
342 | SvREFCNT_dec(warnhook); | |
343 | warnhook = Nullsv; | |
344 | SvREFCNT_dec(diehook); | |
345 | diehook = Nullsv; | |
346 | SvREFCNT_dec(parsehook); | |
347 | parsehook = Nullsv; | |
348 | ||
a0d0e21e | 349 | if (destruct_level == 0){ |
8990e307 | 350 | |
a0d0e21e LW |
351 | DEBUG_P(debprofdump()); |
352 | ||
353 | /* The exit() function will do everything that needs doing. */ | |
354 | return; | |
355 | } | |
5dd60ef7 | 356 | |
5f05dabc | 357 | /* loosen bonds of global variables */ |
358 | ||
8ebc5c01 | 359 | if(rsfp) { |
360 | (void)PerlIO_close(rsfp); | |
361 | rsfp = Nullfp; | |
362 | } | |
363 | ||
364 | /* Filters for program text */ | |
365 | SvREFCNT_dec(rsfp_filters); | |
366 | rsfp_filters = Nullav; | |
367 | ||
368 | /* switches */ | |
369 | preprocess = FALSE; | |
370 | minus_n = FALSE; | |
371 | minus_p = FALSE; | |
372 | minus_l = FALSE; | |
373 | minus_a = FALSE; | |
374 | minus_F = FALSE; | |
375 | doswitches = FALSE; | |
376 | dowarn = FALSE; | |
377 | doextract = FALSE; | |
378 | sawampersand = FALSE; /* must save all match strings */ | |
379 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
380 | sawvec = FALSE; | |
381 | unsafe = FALSE; | |
382 | ||
383 | Safefree(inplace); | |
384 | inplace = Nullch; | |
385 | ||
386 | Safefree(e_tmpname); | |
387 | e_tmpname = Nullch; | |
388 | ||
389 | if (e_fp) { | |
390 | PerlIO_close(e_fp); | |
391 | e_fp = Nullfp; | |
392 | } | |
393 | ||
394 | /* magical thingies */ | |
395 | ||
396 | Safefree(ofs); /* $, */ | |
397 | ofs = Nullch; | |
5f05dabc | 398 | |
8ebc5c01 | 399 | Safefree(ors); /* $\ */ |
400 | ors = Nullch; | |
401 | ||
402 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 403 | nrs = Nullsv; |
404 | ||
8ebc5c01 | 405 | multiline = 0; /* $* */ |
5f05dabc | 406 | |
8ebc5c01 | 407 | SvREFCNT_dec(statname); |
5f05dabc | 408 | statname = Nullsv; |
409 | statgv = Nullgv; | |
5f05dabc | 410 | |
8ebc5c01 | 411 | /* defgv, aka *_ should be taken care of elsewhere */ |
412 | ||
413 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
414 | ||
415 | /* shortcuts to regexp stuff */ | |
416 | leftgv = Nullgv; | |
417 | ampergv = Nullgv; | |
418 | ||
419 | SAVEFREEOP(curpm); | |
420 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
421 | ||
422 | regprecomp = NULL; /* uncompiled string. */ | |
423 | regparse = NULL; /* Input-scan pointer. */ | |
424 | regxend = NULL; /* End of input for compile */ | |
425 | regnpar = 0; /* () count. */ | |
426 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
427 | regsize = 0; /* Code size. */ | |
428 | regnaughty = 0; /* How bad is this pattern? */ | |
429 | regsawback = 0; /* Did we see \1, ...? */ | |
430 | ||
431 | reginput = NULL; /* String-input pointer. */ | |
432 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
433 | regeol = NULL; /* End of input, for $ check. */ | |
434 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
435 | regendp = (char **)NULL; /* Ditto for endp. */ | |
436 | reglastparen = 0; /* Similarly for lastparen. */ | |
437 | regtill = NULL; /* How far we are required to go. */ | |
438 | regflags = 0; /* are we folding, multilining? */ | |
439 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
440 | ||
441 | #endif /* if 0 */ | |
442 | ||
443 | /* clean up after study() */ | |
444 | SvREFCNT_dec(lastscream); | |
445 | lastscream = Nullsv; | |
446 | Safefree(screamfirst); | |
447 | screamfirst = 0; | |
448 | Safefree(screamnext); | |
449 | screamnext = 0; | |
450 | ||
451 | /* startup and shutdown function lists */ | |
452 | SvREFCNT_dec(beginav); | |
453 | SvREFCNT_dec(endav); | |
77a005ab | 454 | SvREFCNT_dec(initav); |
5618dfe8 | 455 | beginav = Nullav; |
5618dfe8 | 456 | endav = Nullav; |
77a005ab | 457 | initav = Nullav; |
5618dfe8 | 458 | |
8ebc5c01 | 459 | /* temp stack during pp_sort() */ |
460 | SvREFCNT_dec(sortstack); | |
461 | sortstack = Nullav; | |
462 | ||
463 | /* shortcuts just get cleared */ | |
464 | envgv = Nullgv; | |
465 | siggv = Nullgv; | |
466 | incgv = Nullgv; | |
467 | errgv = Nullgv; | |
468 | argvgv = Nullgv; | |
469 | argvoutgv = Nullgv; | |
470 | stdingv = Nullgv; | |
471 | last_in_gv = Nullgv; | |
472 | ||
473 | /* reset so print() ends up where we expect */ | |
474 | setdefout(Nullgv); | |
475 | ||
a0d0e21e | 476 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 477 | |
a0d0e21e | 478 | hv = defstash; |
85e6fe83 | 479 | defstash = 0; |
a0d0e21e LW |
480 | SvREFCNT_dec(hv); |
481 | ||
482 | FREETMPS; | |
483 | if (destruct_level >= 2) { | |
484 | if (scopestack_ix != 0) | |
ff0cee69 | 485 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
486 | (long)scopestack_ix); | |
a0d0e21e | 487 | if (savestack_ix != 0) |
ff0cee69 | 488 | warn("Unbalanced saves: %ld more saves than restores\n", |
489 | (long)savestack_ix); | |
a0d0e21e | 490 | if (tmps_floor != -1) |
ff0cee69 | 491 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
492 | (long)tmps_floor + 1); | |
a0d0e21e | 493 | if (cxstack_ix != -1) |
ff0cee69 | 494 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
495 | (long)cxstack_ix + 1); | |
a0d0e21e | 496 | } |
8990e307 LW |
497 | |
498 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 499 | last_sv_count = 0; |
6e72f9df | 500 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
501 | while (sv_count != 0 && sv_count != last_sv_count) { |
502 | last_sv_count = sv_count; | |
503 | sv_clean_all(); | |
504 | } | |
6e72f9df | 505 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
506 | SvFLAGS(strtab) |= SVt_PVHV; | |
507 | ||
508 | /* Destruct the global string table. */ | |
509 | { | |
510 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
511 | * so that sv_free() won't fail on them. | |
512 | */ | |
513 | I32 riter; | |
514 | I32 max; | |
515 | HE *hent; | |
516 | HE **array; | |
517 | ||
518 | riter = 0; | |
519 | max = HvMAX(strtab); | |
520 | array = HvARRAY(strtab); | |
521 | hent = array[0]; | |
522 | for (;;) { | |
523 | if (hent) { | |
524 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
525 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
526 | HeVAL(hent) = Nullsv; | |
527 | hent = HeNEXT(hent); | |
528 | } | |
529 | if (!hent) { | |
530 | if (++riter > max) | |
531 | break; | |
532 | hent = array[riter]; | |
533 | } | |
534 | } | |
535 | } | |
536 | SvREFCNT_dec(strtab); | |
537 | ||
8990e307 | 538 | if (sv_count != 0) |
ff0cee69 | 539 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 540 | |
4633a7c4 | 541 | sv_free_arenas(); |
44a8e56a | 542 | |
543 | /* No SVs have survived, need to clean out */ | |
544 | linestr = NULL; | |
545 | pidstatus = Nullhv; | |
6e72f9df | 546 | if (origfilename) |
547 | Safefree(origfilename); | |
548 | nuke_stacks(); | |
fc36a67e | 549 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
550 | |
551 | DEBUG_P(debprofdump()); | |
11343788 MB |
552 | #ifdef USE_THREADS |
553 | MUTEX_DESTROY(&sv_mutex); | |
554 | MUTEX_DESTROY(&malloc_mutex); | |
555 | MUTEX_DESTROY(&eval_mutex); | |
c116a00c | 556 | COND_DESTROY(&eval_cond); |
11343788 | 557 | #endif /* USE_THREADS */ |
fc36a67e | 558 | |
559 | /* As the absolutely last thing, free the non-arena SV for mess() */ | |
560 | ||
561 | if (mess_sv) { | |
562 | /* we know that type >= SVt_PV */ | |
563 | SvOOK_off(mess_sv); | |
564 | Safefree(SvPVX(mess_sv)); | |
565 | Safefree(SvANY(mess_sv)); | |
566 | Safefree(mess_sv); | |
567 | mess_sv = Nullsv; | |
568 | } | |
79072805 LW |
569 | } |
570 | ||
571 | void | |
572 | perl_free(sv_interp) | |
93a17b20 | 573 | PerlInterpreter *sv_interp; |
79072805 LW |
574 | { |
575 | if (!(curinterp = sv_interp)) | |
576 | return; | |
577 | Safefree(sv_interp); | |
578 | } | |
579 | ||
580 | int | |
a0d0e21e | 581 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 | 582 | PerlInterpreter *sv_interp; |
a0d0e21e LW |
583 | void (*xsinit)_((void)); |
584 | int argc; | |
585 | char **argv; | |
79072805 | 586 | char **env; |
8d063cd8 | 587 | { |
11343788 | 588 | dTHR; |
79072805 | 589 | register SV *sv; |
8d063cd8 | 590 | register char *s; |
1a30305b | 591 | char *scriptname = NULL; |
a0d0e21e | 592 | VOL bool dosearch = FALSE; |
13281fa4 | 593 | char *validarg = ""; |
2ae324a7 | 594 | I32 oldscope; |
748a9306 | 595 | AV* comppadlist; |
54310121 | 596 | dJMPENV; |
22921e25 | 597 | int ret; |
8d063cd8 | 598 | |
a687059c LW |
599 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
600 | #ifdef IAMSUID | |
601 | #undef IAMSUID | |
463ee0b2 | 602 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
603 | setuid perl scripts securely.\n"); |
604 | #endif | |
605 | #endif | |
606 | ||
79072805 LW |
607 | if (!(curinterp = sv_interp)) |
608 | return 255; | |
609 | ||
6e72f9df | 610 | #if defined(NeXT) && defined(__DYNAMIC__) |
611 | _dyld_lookup_and_bind | |
612 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
613 | #endif /* environ */ | |
614 | ||
ac58e20f LW |
615 | origargv = argv; |
616 | origargc = argc; | |
a0d0e21e | 617 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 618 | origenviron = environ; |
a0d0e21e | 619 | #endif |
ab821d7f | 620 | e_tmpname = Nullch; |
a0d0e21e LW |
621 | |
622 | if (do_undump) { | |
623 | ||
624 | /* Come here if running an undumped a.out. */ | |
625 | ||
626 | origfilename = savepv(argv[0]); | |
627 | do_undump = FALSE; | |
628 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 629 | init_ids(); |
a0d0e21e LW |
630 | init_postdump_symbols(argc,argv,env); |
631 | return 0; | |
632 | } | |
633 | ||
ff0cee69 | 634 | if (main_root) { |
635 | curpad = AvARRAY(comppad); | |
a0d0e21e | 636 | op_free(main_root); |
ff0cee69 | 637 | main_root = Nullop; |
638 | } | |
639 | main_start = Nullop; | |
640 | SvREFCNT_dec(main_cv); | |
641 | main_cv = Nullcv; | |
79072805 | 642 | |
f86702cc | 643 | time(&basetime); |
2ae324a7 | 644 | oldscope = scopestack_ix; |
f86702cc | 645 | |
22921e25 CS |
646 | JMPENV_PUSH(ret); |
647 | switch (ret) { | |
79072805 | 648 | case 1: |
f86702cc | 649 | STATUS_ALL_FAILURE; |
650 | /* FALL THROUGH */ | |
79072805 | 651 | case 2: |
f86702cc | 652 | /* my_exit() was called */ |
2ae324a7 | 653 | while (scopestack_ix > oldscope) |
654 | LEAVE; | |
84902520 | 655 | FREETMPS; |
8990e307 LW |
656 | curstash = defstash; |
657 | if (endav) | |
68dc0745 | 658 | call_list(oldscope, endav); |
54310121 | 659 | JMPENV_POP; |
f86702cc | 660 | return STATUS_NATIVE_EXPORT; |
79072805 | 661 | case 3: |
54310121 | 662 | JMPENV_POP; |
760ac839 | 663 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 664 | return 1; |
79072805 LW |
665 | } |
666 | ||
79072805 LW |
667 | sv_setpvn(linestr,"",0); |
668 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 669 | SAVEFREESV(sv); |
79072805 | 670 | init_main_stash(); |
54310121 | 671 | |
33b78306 | 672 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
673 | if (argv[0][0] != '-' || !argv[0][1]) |
674 | break; | |
13281fa4 LW |
675 | #ifdef DOSUID |
676 | if (*validarg) | |
677 | validarg = " PHOOEY "; | |
678 | else | |
679 | validarg = argv[0]; | |
680 | #endif | |
681 | s = argv[0]+1; | |
8d063cd8 | 682 | reswitch: |
13281fa4 | 683 | switch (*s) { |
27e2fb84 | 684 | case '0': |
2304df62 | 685 | case 'F': |
378cc40b | 686 | case 'a': |
33b78306 | 687 | case 'c': |
a687059c | 688 | case 'd': |
8d063cd8 | 689 | case 'D': |
4633a7c4 | 690 | case 'h': |
33b78306 | 691 | case 'i': |
fe14fcc3 | 692 | case 'l': |
1a30305b | 693 | case 'M': |
694 | case 'm': | |
33b78306 LW |
695 | case 'n': |
696 | case 'p': | |
79072805 | 697 | case 's': |
33b78306 LW |
698 | case 'u': |
699 | case 'U': | |
700 | case 'v': | |
701 | case 'w': | |
702 | if (s = moreswitches(s)) | |
703 | goto reswitch; | |
8d063cd8 | 704 | break; |
33b78306 | 705 | |
f86702cc | 706 | case 'T': |
707 | tainting = TRUE; | |
708 | s++; | |
709 | goto reswitch; | |
710 | ||
8d063cd8 | 711 | case 'e': |
a687059c | 712 | if (euid != uid || egid != gid) |
463ee0b2 | 713 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 714 | if (!e_fp) { |
a0d0e21e | 715 | e_tmpname = savepv(TMPPATH); |
a687059c | 716 | (void)mktemp(e_tmpname); |
83025b21 | 717 | if (!*e_tmpname) |
463ee0b2 | 718 | croak("Can't mktemp()"); |
760ac839 | 719 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 720 | if (!e_fp) |
463ee0b2 | 721 | croak("Cannot open temporary file"); |
8d063cd8 | 722 | } |
552a7a9b | 723 | if (*++s) |
724 | PerlIO_puts(e_fp,s); | |
725 | else if (argv[1]) { | |
760ac839 | 726 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
727 | argc--,argv++; |
728 | } | |
552a7a9b | 729 | else |
730 | croak("No code specified for -e"); | |
760ac839 | 731 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 732 | break; |
fb73857a | 733 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 734 | forbid_setid("-I"); |
fb73857a | 735 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 736 | argc--,argv++; |
8d063cd8 | 737 | } |
fb73857a | 738 | while (s && isSPACE(*s)) |
739 | ++s; | |
740 | if (s && *s) { | |
741 | char *e, *p; | |
742 | for (e = s; *e && !isSPACE(*e); e++) ; | |
743 | p = savepvn(s, e-s); | |
744 | incpush(p, TRUE); | |
745 | sv_catpv(sv,"-I"); | |
746 | sv_catpv(sv,p); | |
747 | sv_catpv(sv," "); | |
748 | Safefree(p); | |
749 | } /* XXX else croak? */ | |
8d063cd8 | 750 | break; |
8d063cd8 | 751 | case 'P': |
bbce6d69 | 752 | forbid_setid("-P"); |
8d063cd8 | 753 | preprocess = TRUE; |
13281fa4 | 754 | s++; |
8d063cd8 | 755 | goto reswitch; |
378cc40b | 756 | case 'S': |
bbce6d69 | 757 | forbid_setid("-S"); |
378cc40b | 758 | dosearch = TRUE; |
13281fa4 | 759 | s++; |
378cc40b | 760 | goto reswitch; |
1a30305b | 761 | case 'V': |
762 | if (!preambleav) | |
763 | preambleav = newAV(); | |
764 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
765 | if (*++s != ':') { | |
6e72f9df | 766 | Sv = newSVpv("print myconfig();",0); |
767 | #ifdef VMS | |
768 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
769 | #else | |
770 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
771 | #endif | |
54310121 | 772 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 773 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 774 | # ifdef DEBUGGING |
46fc3d4c | 775 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 776 | # endif |
54310121 | 777 | # ifdef NO_EMBED |
46fc3d4c | 778 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 779 | # endif |
780 | # ifdef MULTIPLICITY | |
46fc3d4c | 781 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 782 | # endif |
46fc3d4c | 783 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 784 | #endif |
785 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 786 | if (LOCAL_PATCH_COUNT > 0) { |
787 | int i; | |
5cd24f17 | 788 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 789 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 790 | if (localpatches[i]) |
791 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 792 | } |
793 | } | |
794 | #endif | |
46fc3d4c | 795 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 796 | #ifdef __DATE__ |
797 | # ifdef __TIME__ | |
46fc3d4c | 798 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 799 | # else |
46fc3d4c | 800 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 801 | # endif |
6e72f9df | 802 | #endif |
54310121 | 803 | sv_catpv(Sv, "; \ |
804 | $\"=\"\\n \"; \ | |
805 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
806 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
807 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 808 | } |
809 | else { | |
810 | Sv = newSVpv("config_vars(qw(",0); | |
811 | sv_catpv(Sv, ++s); | |
812 | sv_catpv(Sv, "))"); | |
813 | s += strlen(s); | |
814 | } | |
815 | av_push(preambleav, Sv); | |
c07a80fd | 816 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 817 | goto reswitch; |
33b78306 LW |
818 | case 'x': |
819 | doextract = TRUE; | |
13281fa4 | 820 | s++; |
33b78306 | 821 | if (*s) |
a0d0e21e | 822 | cddir = savepv(s); |
33b78306 | 823 | break; |
8d063cd8 LW |
824 | case 0: |
825 | break; | |
fb73857a | 826 | case '-': |
827 | if (!*++s || isSPACE(*s)) { | |
828 | argc--,argv++; | |
829 | goto switch_end; | |
830 | } | |
831 | /* catch use of gnu style long options */ | |
832 | if (strEQ(s, "version")) { | |
833 | s = "v"; | |
834 | goto reswitch; | |
835 | } | |
836 | if (strEQ(s, "help")) { | |
837 | s = "h"; | |
838 | goto reswitch; | |
839 | } | |
840 | s--; | |
841 | /* FALL THROUGH */ | |
8d063cd8 | 842 | default: |
90248788 | 843 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
844 | } |
845 | } | |
846 | switch_end: | |
54310121 | 847 | |
848 | if (!tainting && (s = getenv("PERL5OPT"))) { | |
fb73857a | 849 | while (s && *s) { |
54310121 | 850 | while (isSPACE(*s)) |
851 | s++; | |
852 | if (*s == '-') { | |
853 | s++; | |
854 | if (isSPACE(*s)) | |
855 | continue; | |
856 | } | |
857 | if (!*s) | |
858 | break; | |
859 | if (!strchr("DIMUdmw", *s)) | |
860 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
861 | s = moreswitches(s); | |
862 | } | |
863 | } | |
864 | ||
1a30305b | 865 | if (!scriptname) |
866 | scriptname = argv[0]; | |
8d063cd8 | 867 | if (e_fp) { |
68dc0745 | 868 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
869 | #ifndef MULTIPLICITY | |
870 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
871 | #endif | |
2304df62 | 872 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 873 | } |
ab821d7f | 874 | e_fp = Nullfp; |
8d063cd8 | 875 | argc++,argv--; |
45d8adaa | 876 | scriptname = e_tmpname; |
8d063cd8 | 877 | } |
79072805 LW |
878 | else if (scriptname == Nullch) { |
879 | #ifdef MSDOS | |
760ac839 | 880 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 881 | moreswitches("h"); |
fe14fcc3 | 882 | #endif |
79072805 LW |
883 | scriptname = "-"; |
884 | } | |
fe14fcc3 | 885 | |
79072805 | 886 | init_perllib(); |
8d063cd8 | 887 | |
79072805 | 888 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 889 | |
96436eeb | 890 | validate_suid(validarg, scriptname); |
378cc40b | 891 | |
79072805 LW |
892 | if (doextract) |
893 | find_beginning(); | |
894 | ||
4fdae800 | 895 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 896 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 897 | CvUNIQUE_on(compcv); |
748a9306 | 898 | |
6e72f9df | 899 | comppad = newAV(); |
79072805 LW |
900 | av_push(comppad, Nullsv); |
901 | curpad = AvARRAY(comppad); | |
6e72f9df | 902 | comppad_name = newAV(); |
8990e307 | 903 | comppad_name_fill = 0; |
e858de61 MB |
904 | min_intro_pending = 0; |
905 | padix = 0; | |
11343788 MB |
906 | #ifdef USE_THREADS |
907 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 908 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 909 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 910 | CvOWNER(compcv) = 0; |
12ca11f6 | 911 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 912 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 913 | #endif /* USE_THREADS */ |
79072805 | 914 | |
748a9306 LW |
915 | comppadlist = newAV(); |
916 | AvREAL_off(comppadlist); | |
8e07c86e AD |
917 | av_store(comppadlist, 0, (SV*)comppad_name); |
918 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
919 | CvPADLIST(compcv) = comppadlist; |
920 | ||
6e72f9df | 921 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
922 | if (xsinit) |
923 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
ad2e33dc | 924 | #if defined(VMS) || defined(WIN32) |
748a9306 LW |
925 | init_os_extras(); |
926 | #endif | |
93a17b20 | 927 | |
77a005ab MB |
928 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
929 | DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv);); | |
930 | #endif | |
931 | ||
93a17b20 | 932 | init_predump_symbols(); |
8990e307 LW |
933 | if (!do_undump) |
934 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 935 | |
79072805 LW |
936 | init_lexer(); |
937 | ||
938 | /* now parse the script */ | |
939 | ||
940 | error_count = 0; | |
941 | if (yyparse() || error_count) { | |
942 | if (minus_c) | |
463ee0b2 | 943 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 944 | else { |
463ee0b2 | 945 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 946 | origfilename); |
378cc40b | 947 | } |
79072805 LW |
948 | } |
949 | curcop->cop_line = 0; | |
950 | curstash = defstash; | |
951 | preprocess = FALSE; | |
ab821d7f | 952 | if (e_tmpname) { |
79072805 | 953 | (void)UNLINK(e_tmpname); |
ab821d7f | 954 | Safefree(e_tmpname); |
955 | e_tmpname = Nullch; | |
378cc40b | 956 | } |
a687059c | 957 | |
93a17b20 | 958 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 959 | SvREFCNT_dec(rs); |
960 | rs = SvREFCNT_inc(nrs); | |
961 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); | |
45d8adaa | 962 | |
79072805 LW |
963 | if (do_undump) |
964 | my_unexec(); | |
965 | ||
8990e307 LW |
966 | if (dowarn) |
967 | gv_check(defstash); | |
968 | ||
a0d0e21e LW |
969 | LEAVE; |
970 | FREETMPS; | |
c07a80fd | 971 | |
3562ef9b | 972 | #ifdef MYMALLOC |
c07a80fd | 973 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
974 | dump_mstats("after compilation:"); | |
975 | #endif | |
976 | ||
a0d0e21e LW |
977 | ENTER; |
978 | restartop = 0; | |
54310121 | 979 | JMPENV_POP; |
79072805 LW |
980 | return 0; |
981 | } | |
982 | ||
983 | int | |
984 | perl_run(sv_interp) | |
93a17b20 | 985 | PerlInterpreter *sv_interp; |
79072805 | 986 | { |
11343788 | 987 | dTHR; |
2ae324a7 | 988 | I32 oldscope; |
22921e25 CS |
989 | dJMPENV; |
990 | int ret; | |
2ae324a7 | 991 | |
79072805 LW |
992 | if (!(curinterp = sv_interp)) |
993 | return 255; | |
2ae324a7 | 994 | |
995 | oldscope = scopestack_ix; | |
996 | ||
22921e25 CS |
997 | JMPENV_PUSH(ret); |
998 | switch (ret) { | |
79072805 LW |
999 | case 1: |
1000 | cxstack_ix = -1; /* start context stack again */ | |
1001 | break; | |
1002 | case 2: | |
f86702cc | 1003 | /* my_exit() was called */ |
2ae324a7 | 1004 | while (scopestack_ix > oldscope) |
1005 | LEAVE; | |
84902520 | 1006 | FREETMPS; |
79072805 | 1007 | curstash = defstash; |
93a17b20 | 1008 | if (endav) |
68dc0745 | 1009 | call_list(oldscope, endav); |
3562ef9b | 1010 | #ifdef MYMALLOC |
c07a80fd | 1011 | if (getenv("PERL_DEBUG_MSTATS")) |
1012 | dump_mstats("after execution: "); | |
1013 | #endif | |
54310121 | 1014 | JMPENV_POP; |
f86702cc | 1015 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1016 | case 3: |
1017 | if (!restartop) { | |
760ac839 | 1018 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1019 | FREETMPS; |
54310121 | 1020 | JMPENV_POP; |
8990e307 | 1021 | return 1; |
83025b21 | 1022 | } |
6e72f9df | 1023 | if (curstack != mainstack) { |
79072805 | 1024 | dSP; |
6e72f9df | 1025 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1026 | } |
1027 | break; | |
8d063cd8 | 1028 | } |
79072805 | 1029 | |
fb73857a | 1030 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1031 | sawampersand ? "Enabling" : "Omitting")); |
1032 | ||
79072805 LW |
1033 | if (!restartop) { |
1034 | DEBUG_x(dump_all()); | |
760ac839 | 1035 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1036 | #ifdef USE_THREADS |
5dc0d613 MB |
1037 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1038 | (unsigned long) thr)); | |
11343788 | 1039 | #endif /* USE_THREADS */ |
79072805 LW |
1040 | |
1041 | if (minus_c) { | |
760ac839 | 1042 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1043 | my_exit(0); |
1044 | } | |
84902520 | 1045 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1046 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1047 | if (initav) |
1048 | call_list(oldscope, initav); | |
45d8adaa | 1049 | } |
79072805 LW |
1050 | |
1051 | /* do it */ | |
1052 | ||
1053 | if (restartop) { | |
1054 | op = restartop; | |
1055 | restartop = 0; | |
ab821d7f | 1056 | runops(); |
79072805 LW |
1057 | } |
1058 | else if (main_start) { | |
4fdae800 | 1059 | CvDEPTH(main_cv) = 1; |
79072805 | 1060 | op = main_start; |
ab821d7f | 1061 | runops(); |
79072805 | 1062 | } |
79072805 LW |
1063 | |
1064 | my_exit(0); | |
54310121 | 1065 | /* NOTREACHED */ |
a0d0e21e | 1066 | return 0; |
79072805 LW |
1067 | } |
1068 | ||
a0d0e21e LW |
1069 | SV* |
1070 | perl_get_sv(name, create) | |
1071 | char* name; | |
1072 | I32 create; | |
1073 | { | |
1074 | GV* gv = gv_fetchpv(name, create, SVt_PV); | |
1075 | if (gv) | |
1076 | return GvSV(gv); | |
1077 | return Nullsv; | |
1078 | } | |
1079 | ||
1080 | AV* | |
1081 | perl_get_av(name, create) | |
1082 | char* name; | |
1083 | I32 create; | |
1084 | { | |
1085 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1086 | if (create) | |
1087 | return GvAVn(gv); | |
1088 | if (gv) | |
1089 | return GvAV(gv); | |
1090 | return Nullav; | |
1091 | } | |
1092 | ||
1093 | HV* | |
1094 | perl_get_hv(name, create) | |
1095 | char* name; | |
1096 | I32 create; | |
1097 | { | |
1098 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1099 | if (create) | |
1100 | return GvHVn(gv); | |
1101 | if (gv) | |
1102 | return GvHV(gv); | |
1103 | return Nullhv; | |
1104 | } | |
1105 | ||
1106 | CV* | |
1107 | perl_get_cv(name, create) | |
1108 | char* name; | |
1109 | I32 create; | |
1110 | { | |
1111 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1112 | if (create && !GvCVu(gv)) |
774d564b | 1113 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1114 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1115 | Nullop, |
a0d0e21e LW |
1116 | Nullop); |
1117 | if (gv) | |
8ebc5c01 | 1118 | return GvCVu(gv); |
a0d0e21e LW |
1119 | return Nullcv; |
1120 | } | |
1121 | ||
79072805 LW |
1122 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1123 | ||
a0d0e21e LW |
1124 | I32 |
1125 | perl_call_argv(subname, flags, argv) | |
8990e307 | 1126 | char *subname; |
a0d0e21e LW |
1127 | I32 flags; /* See G_* flags in cop.h */ |
1128 | register char **argv; /* null terminated arg list */ | |
8990e307 | 1129 | { |
11343788 | 1130 | dTHR; |
a0d0e21e | 1131 | dSP; |
8990e307 | 1132 | |
a0d0e21e LW |
1133 | PUSHMARK(sp); |
1134 | if (argv) { | |
8990e307 | 1135 | while (*argv) { |
a0d0e21e | 1136 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1137 | argv++; |
1138 | } | |
a0d0e21e | 1139 | PUTBACK; |
8990e307 | 1140 | } |
a0d0e21e | 1141 | return perl_call_pv(subname, flags); |
8990e307 LW |
1142 | } |
1143 | ||
a0d0e21e LW |
1144 | I32 |
1145 | perl_call_pv(subname, flags) | |
1146 | char *subname; /* name of the subroutine */ | |
1147 | I32 flags; /* See G_* flags in cop.h */ | |
1148 | { | |
1149 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
1150 | } | |
1151 | ||
1152 | I32 | |
1153 | perl_call_method(methname, flags) | |
1154 | char *methname; /* name of the subroutine */ | |
1155 | I32 flags; /* See G_* flags in cop.h */ | |
1156 | { | |
11343788 | 1157 | dTHR; |
a0d0e21e LW |
1158 | dSP; |
1159 | OP myop; | |
1160 | if (!op) | |
1161 | op = &myop; | |
1162 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1163 | PUTBACK; | |
11343788 | 1164 | pp_method(ARGS); |
a0d0e21e LW |
1165 | return perl_call_sv(*stack_sp--, flags); |
1166 | } | |
1167 | ||
1168 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1169 | I32 | |
1170 | perl_call_sv(sv, flags) | |
1171 | SV* sv; | |
1172 | I32 flags; /* See G_* flags in cop.h */ | |
1173 | { | |
11343788 | 1174 | dTHR; |
a0d0e21e LW |
1175 | LOGOP myop; /* fake syntax tree node */ |
1176 | SV** sp = stack_sp; | |
aa689395 | 1177 | I32 oldmark; |
a0d0e21e | 1178 | I32 retval; |
a0d0e21e | 1179 | I32 oldscope; |
6e72f9df | 1180 | static CV *DBcv; |
54310121 | 1181 | bool oldcatch = CATCH_GET; |
1182 | dJMPENV; | |
22921e25 | 1183 | int ret; |
d6602a8c | 1184 | OP* oldop = op; |
1e422769 | 1185 | |
a0d0e21e LW |
1186 | if (flags & G_DISCARD) { |
1187 | ENTER; | |
1188 | SAVETMPS; | |
1189 | } | |
1190 | ||
aa689395 | 1191 | Zero(&myop, 1, LOGOP); |
54310121 | 1192 | myop.op_next = Nullop; |
f51d4af5 | 1193 | if (!(flags & G_NOARGS)) |
aa689395 | 1194 | myop.op_flags |= OPf_STACKED; |
54310121 | 1195 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1196 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1197 | OPf_WANT_SCALAR); | |
462e5cf6 | 1198 | SAVEOP(); |
a0d0e21e | 1199 | op = (OP*)&myop; |
aa689395 | 1200 | |
a0d0e21e LW |
1201 | EXTEND(stack_sp, 1); |
1202 | *++stack_sp = sv; | |
aa689395 | 1203 | oldmark = TOPMARK; |
a0d0e21e LW |
1204 | oldscope = scopestack_ix; |
1205 | ||
84902520 | 1206 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1207 | /* Handle first BEGIN of -d. */ |
1208 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1209 | /* Try harder, since this may have been a sighandler, thus | |
1210 | * curstash may be meaningless. */ | |
1211 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1212 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1213 | |
1214 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1215 | cLOGOP->op_other = op; |
1216 | markstack_ptr--; | |
4633a7c4 LW |
1217 | /* we're trying to emulate pp_entertry() here */ |
1218 | { | |
1219 | register CONTEXT *cx; | |
54310121 | 1220 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1221 | |
1222 | ENTER; | |
1223 | SAVETMPS; | |
1224 | ||
1225 | push_return(op->op_next); | |
1226 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1227 | PUSHEVAL(cx, 0, 0); | |
1228 | eval_root = op; /* Only needed so that goto works right. */ | |
1229 | ||
1230 | in_eval = 1; | |
1231 | if (flags & G_KEEPERR) | |
1232 | in_eval |= 4; | |
1233 | else | |
1234 | sv_setpv(GvSV(errgv),""); | |
1235 | } | |
a0d0e21e LW |
1236 | markstack_ptr++; |
1237 | ||
22921e25 CS |
1238 | JMPENV_PUSH(ret); |
1239 | switch (ret) { | |
a0d0e21e LW |
1240 | case 0: |
1241 | break; | |
1242 | case 1: | |
f86702cc | 1243 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1244 | /* FALL THROUGH */ |
1245 | case 2: | |
1246 | /* my_exit() was called */ | |
1247 | curstash = defstash; | |
1248 | FREETMPS; | |
54310121 | 1249 | JMPENV_POP; |
a0d0e21e LW |
1250 | if (statusvalue) |
1251 | croak("Callback called exit"); | |
f86702cc | 1252 | my_exit_jump(); |
a0d0e21e LW |
1253 | /* NOTREACHED */ |
1254 | case 3: | |
1255 | if (restartop) { | |
1256 | op = restartop; | |
1257 | restartop = 0; | |
54310121 | 1258 | break; |
a0d0e21e LW |
1259 | } |
1260 | stack_sp = stack_base + oldmark; | |
1261 | if (flags & G_ARRAY) | |
1262 | retval = 0; | |
1263 | else { | |
1264 | retval = 1; | |
1265 | *++stack_sp = &sv_undef; | |
1266 | } | |
1267 | goto cleanup; | |
1268 | } | |
1269 | } | |
1e422769 | 1270 | else |
54310121 | 1271 | CATCH_SET(TRUE); |
a0d0e21e LW |
1272 | |
1273 | if (op == (OP*)&myop) | |
11343788 | 1274 | op = pp_entersub(ARGS); |
a0d0e21e | 1275 | if (op) |
ab821d7f | 1276 | runops(); |
a0d0e21e | 1277 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 LW |
1278 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
1279 | sv_setpv(GvSV(errgv),""); | |
a0d0e21e LW |
1280 | |
1281 | cleanup: | |
1282 | if (flags & G_EVAL) { | |
1283 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1284 | SV **newsp; |
1285 | PMOP *newpm; | |
1286 | I32 gimme; | |
1287 | register CONTEXT *cx; | |
1288 | I32 optype; | |
1289 | ||
1290 | POPBLOCK(cx,newpm); | |
1291 | POPEVAL(cx); | |
1292 | pop_return(); | |
1293 | curpm = newpm; | |
1294 | LEAVE; | |
a0d0e21e | 1295 | } |
54310121 | 1296 | JMPENV_POP; |
a0d0e21e | 1297 | } |
1e422769 | 1298 | else |
54310121 | 1299 | CATCH_SET(oldcatch); |
1e422769 | 1300 | |
a0d0e21e LW |
1301 | if (flags & G_DISCARD) { |
1302 | stack_sp = stack_base + oldmark; | |
1303 | retval = 0; | |
1304 | FREETMPS; | |
1305 | LEAVE; | |
1306 | } | |
d6602a8c | 1307 | op = oldop; |
a0d0e21e LW |
1308 | return retval; |
1309 | } | |
1310 | ||
6e72f9df | 1311 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1312 | |
a0d0e21e | 1313 | I32 |
4633a7c4 | 1314 | perl_eval_sv(sv, flags) |
8990e307 | 1315 | SV* sv; |
4633a7c4 | 1316 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e | 1317 | { |
11343788 | 1318 | dTHR; |
a0d0e21e | 1319 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1320 | SV** sp = stack_sp; |
1321 | I32 oldmark = sp - stack_base; | |
1322 | I32 retval; | |
4633a7c4 | 1323 | I32 oldscope; |
54310121 | 1324 | dJMPENV; |
22921e25 | 1325 | int ret; |
84902520 TB |
1326 | OP* oldop = op; |
1327 | ||
4633a7c4 LW |
1328 | if (flags & G_DISCARD) { |
1329 | ENTER; | |
1330 | SAVETMPS; | |
1331 | } | |
1332 | ||
462e5cf6 | 1333 | SAVEOP(); |
79072805 | 1334 | op = (OP*)&myop; |
a0d0e21e | 1335 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1336 | EXTEND(stack_sp, 1); |
1337 | *++stack_sp = sv; | |
1338 | oldscope = scopestack_ix; | |
79072805 | 1339 | |
4633a7c4 LW |
1340 | if (!(flags & G_NOARGS)) |
1341 | myop.op_flags = OPf_STACKED; | |
79072805 | 1342 | myop.op_next = Nullop; |
6e72f9df | 1343 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1344 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1345 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1346 | OPf_WANT_SCALAR); | |
6e72f9df | 1347 | if (flags & G_KEEPERR) |
1348 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1349 | |
22921e25 CS |
1350 | JMPENV_PUSH(ret); |
1351 | switch (ret) { | |
4633a7c4 LW |
1352 | case 0: |
1353 | break; | |
1354 | case 1: | |
f86702cc | 1355 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1356 | /* FALL THROUGH */ |
1357 | case 2: | |
1358 | /* my_exit() was called */ | |
1359 | curstash = defstash; | |
1360 | FREETMPS; | |
54310121 | 1361 | JMPENV_POP; |
4633a7c4 LW |
1362 | if (statusvalue) |
1363 | croak("Callback called exit"); | |
f86702cc | 1364 | my_exit_jump(); |
4633a7c4 LW |
1365 | /* NOTREACHED */ |
1366 | case 3: | |
1367 | if (restartop) { | |
1368 | op = restartop; | |
1369 | restartop = 0; | |
54310121 | 1370 | break; |
4633a7c4 LW |
1371 | } |
1372 | stack_sp = stack_base + oldmark; | |
1373 | if (flags & G_ARRAY) | |
1374 | retval = 0; | |
1375 | else { | |
1376 | retval = 1; | |
1377 | *++stack_sp = &sv_undef; | |
1378 | } | |
1379 | goto cleanup; | |
1380 | } | |
1381 | ||
1382 | if (op == (OP*)&myop) | |
11343788 | 1383 | op = pp_entereval(ARGS); |
4633a7c4 | 1384 | if (op) |
ab821d7f | 1385 | runops(); |
4633a7c4 | 1386 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1387 | if (!(flags & G_KEEPERR)) |
4633a7c4 LW |
1388 | sv_setpv(GvSV(errgv),""); |
1389 | ||
1390 | cleanup: | |
54310121 | 1391 | JMPENV_POP; |
4633a7c4 LW |
1392 | if (flags & G_DISCARD) { |
1393 | stack_sp = stack_base + oldmark; | |
1394 | retval = 0; | |
1395 | FREETMPS; | |
1396 | LEAVE; | |
1397 | } | |
84902520 | 1398 | op = oldop; |
4633a7c4 LW |
1399 | return retval; |
1400 | } | |
1401 | ||
137443ea | 1402 | SV* |
1403 | perl_eval_pv(p, croak_on_error) | |
1404 | char* p; | |
1405 | I32 croak_on_error; | |
1406 | { | |
e858de61 | 1407 | dTHR; |
137443ea | 1408 | dSP; |
1409 | SV* sv = newSVpv(p, 0); | |
1410 | ||
1411 | PUSHMARK(sp); | |
1412 | perl_eval_sv(sv, G_SCALAR); | |
1413 | SvREFCNT_dec(sv); | |
1414 | ||
1415 | SPAGAIN; | |
1416 | sv = POPs; | |
1417 | PUTBACK; | |
1418 | ||
1419 | if (croak_on_error && SvTRUE(GvSV(errgv))) | |
1420 | croak(SvPVx(GvSV(errgv), na)); | |
1421 | ||
1422 | return sv; | |
1423 | } | |
1424 | ||
4633a7c4 LW |
1425 | /* Require a module. */ |
1426 | ||
1427 | void | |
1428 | perl_require_pv(pv) | |
1429 | char* pv; | |
1430 | { | |
1431 | SV* sv = sv_newmortal(); | |
1432 | sv_setpv(sv, "require '"); | |
1433 | sv_catpv(sv, pv); | |
1434 | sv_catpv(sv, "'"); | |
1435 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1436 | } |
1437 | ||
79072805 | 1438 | void |
79072805 LW |
1439 | magicname(sym,name,namlen) |
1440 | char *sym; | |
1441 | char *name; | |
1442 | I32 namlen; | |
1443 | { | |
1444 | register GV *gv; | |
1445 | ||
85e6fe83 | 1446 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1447 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1448 | } | |
1449 | ||
ab821d7f | 1450 | static void |
1a30305b | 1451 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 LW |
1452 | char *name; |
1453 | { | |
ab821d7f | 1454 | /* This message really ought to be max 23 lines. |
1455 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1456 | |
1457 | static char *usage[] = { | |
1458 | "-0[octal] specify record separator (\\0, if no argument)", | |
1459 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1460 | "-c check syntax only (runs BEGIN and END blocks)", | |
1461 | "-d[:debugger] run scripts under debugger", | |
1462 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1463 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1464 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1465 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1466 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1467 | "-l[octal] enable line ending processing, specifies line terminator", | |
1468 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1469 | "-n assume 'while (<>) { ... }' loop around your script", | |
1470 | "-p assume loop like -n but print line also like sed", | |
1471 | "-P run script through C preprocessor before compilation", | |
1472 | "-s enable some switch parsing for switches after script name", | |
1473 | "-S look for the script using PATH environment variable", | |
1474 | "-T turn on tainting checks", | |
1475 | "-u dump core after parsing script", | |
1476 | "-U allow unsafe operations", | |
1477 | "-v print version number and patchlevel of perl", | |
1478 | "-V[:variable] print perl configuration information", | |
1479 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1480 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1481 | "\n", | |
1482 | NULL | |
1483 | }; | |
1484 | char **p = usage; | |
1485 | ||
ab821d7f | 1486 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1487 | while (*p) |
1488 | printf("\n %s", *p++); | |
4633a7c4 LW |
1489 | } |
1490 | ||
79072805 LW |
1491 | /* This routine handles any switches that can be given during run */ |
1492 | ||
1493 | char * | |
1494 | moreswitches(s) | |
1495 | char *s; | |
1496 | { | |
1497 | I32 numlen; | |
c07a80fd | 1498 | U32 rschar; |
79072805 LW |
1499 | |
1500 | switch (*s) { | |
1501 | case '0': | |
c07a80fd | 1502 | rschar = scan_oct(s, 4, &numlen); |
1503 | SvREFCNT_dec(nrs); | |
1504 | if (rschar & ~((U8)~0)) | |
1505 | nrs = &sv_undef; | |
1506 | else if (!rschar && numlen >= 2) | |
1507 | nrs = newSVpv("", 0); | |
1508 | else { | |
1509 | char ch = rschar; | |
1510 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1511 | } |
1512 | return s + numlen; | |
2304df62 AD |
1513 | case 'F': |
1514 | minus_F = TRUE; | |
a0d0e21e | 1515 | splitstr = savepv(s + 1); |
2304df62 AD |
1516 | s += strlen(s); |
1517 | return s; | |
79072805 LW |
1518 | case 'a': |
1519 | minus_a = TRUE; | |
1520 | s++; | |
1521 | return s; | |
1522 | case 'c': | |
1523 | minus_c = TRUE; | |
1524 | s++; | |
1525 | return s; | |
1526 | case 'd': | |
bbce6d69 | 1527 | forbid_setid("-d"); |
4633a7c4 | 1528 | s++; |
c07a80fd | 1529 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1530 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1531 | s += strlen(s); |
4633a7c4 | 1532 | } |
a0d0e21e | 1533 | if (!perldb) { |
84902520 | 1534 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1535 | init_debugger(); |
1536 | } | |
79072805 LW |
1537 | return s; |
1538 | case 'D': | |
1539 | #ifdef DEBUGGING | |
bbce6d69 | 1540 | forbid_setid("-D"); |
79072805 | 1541 | if (isALPHA(s[1])) { |
8990e307 | 1542 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1543 | char *d; |
1544 | ||
93a17b20 | 1545 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1546 | debug |= 1 << (d - debopts); |
1547 | } | |
1548 | else { | |
1549 | debug = atoi(s+1); | |
1550 | for (s++; isDIGIT(*s); s++) ; | |
1551 | } | |
8990e307 | 1552 | debug |= 0x80000000; |
79072805 LW |
1553 | #else |
1554 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1555 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1556 | #endif |
1557 | /*SUPPRESS 530*/ | |
1558 | return s; | |
4633a7c4 LW |
1559 | case 'h': |
1560 | usage(origargv[0]); | |
1561 | exit(0); | |
79072805 LW |
1562 | case 'i': |
1563 | if (inplace) | |
1564 | Safefree(inplace); | |
a0d0e21e | 1565 | inplace = savepv(s+1); |
79072805 LW |
1566 | /*SUPPRESS 530*/ |
1567 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1568 | if (*s) |
1569 | *s++ = '\0'; | |
1570 | return s; | |
1571 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1572 | forbid_setid("-I"); |
fb73857a | 1573 | ++s; |
1574 | while (*s && isSPACE(*s)) | |
1575 | ++s; | |
1576 | if (*s) { | |
774d564b | 1577 | char *e, *p; |
748a9306 | 1578 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1579 | p = savepvn(s, e-s); |
1580 | incpush(p, TRUE); | |
1581 | Safefree(p); | |
fb73857a | 1582 | s = e; |
79072805 LW |
1583 | } |
1584 | else | |
463ee0b2 | 1585 | croak("No space allowed after -I"); |
fb73857a | 1586 | return s; |
79072805 LW |
1587 | case 'l': |
1588 | minus_l = TRUE; | |
1589 | s++; | |
a0d0e21e LW |
1590 | if (ors) |
1591 | Safefree(ors); | |
79072805 | 1592 | if (isDIGIT(*s)) { |
a0d0e21e | 1593 | ors = savepv("\n"); |
79072805 LW |
1594 | orslen = 1; |
1595 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1596 | s += numlen; | |
1597 | } | |
1598 | else { | |
c07a80fd | 1599 | if (RsPARA(nrs)) { |
6e72f9df | 1600 | ors = "\n\n"; |
c07a80fd | 1601 | orslen = 2; |
1602 | } | |
1603 | else | |
1604 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1605 | ors = savepvn(ors, orslen); |
79072805 LW |
1606 | } |
1607 | return s; | |
1a30305b | 1608 | case 'M': |
bbce6d69 | 1609 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1610 | /* FALL THROUGH */ |
1611 | case 'm': | |
bbce6d69 | 1612 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1613 | if (*++s) { |
a5f75d66 | 1614 | char *start; |
11343788 | 1615 | SV *sv; |
a5f75d66 AD |
1616 | char *use = "use "; |
1617 | /* -M-foo == 'no foo' */ | |
1618 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1619 | sv = newSVpv(use,0); |
a5f75d66 | 1620 | start = s; |
1a30305b | 1621 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1622 | while(isALNUM(*s) || *s==':') ++s; |
1623 | if (*s != '=') { | |
11343788 | 1624 | sv_catpv(sv, start); |
c07a80fd | 1625 | if (*(start-1) == 'm') { |
1626 | if (*s != '\0') | |
1627 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1628 | sv_catpv( sv, " ()"); |
c07a80fd | 1629 | } |
1630 | } else { | |
11343788 MB |
1631 | sv_catpvn(sv, start, s-start); |
1632 | sv_catpv(sv, " split(/,/,q{"); | |
1633 | sv_catpv(sv, ++s); | |
1634 | sv_catpv(sv, "})"); | |
c07a80fd | 1635 | } |
1a30305b | 1636 | s += strlen(s); |
c07a80fd | 1637 | if (preambleav == NULL) |
1638 | preambleav = newAV(); | |
11343788 | 1639 | av_push(preambleav, sv); |
1a30305b | 1640 | } |
1641 | else | |
1642 | croak("No space allowed after -%c", *(s-1)); | |
1643 | return s; | |
79072805 LW |
1644 | case 'n': |
1645 | minus_n = TRUE; | |
1646 | s++; | |
1647 | return s; | |
1648 | case 'p': | |
1649 | minus_p = TRUE; | |
1650 | s++; | |
1651 | return s; | |
1652 | case 's': | |
bbce6d69 | 1653 | forbid_setid("-s"); |
79072805 LW |
1654 | doswitches = TRUE; |
1655 | s++; | |
1656 | return s; | |
463ee0b2 | 1657 | case 'T': |
f86702cc | 1658 | if (!tainting) |
9607fc9c | 1659 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1660 | s++; |
1661 | return s; | |
79072805 LW |
1662 | case 'u': |
1663 | do_undump = TRUE; | |
1664 | s++; | |
1665 | return s; | |
1666 | case 'U': | |
1667 | unsafe = TRUE; | |
1668 | s++; | |
1669 | return s; | |
1670 | case 'v': | |
a5f75d66 | 1671 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1672 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1673 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1674 | #else |
fb73857a | 1675 | printf("\nThis is perl, version %s built for %s", |
1676 | patchlevel, ARCHNAME); | |
1677 | #endif | |
1678 | #if defined(LOCAL_PATCH_COUNT) | |
1679 | if (LOCAL_PATCH_COUNT > 0) | |
1680 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1681 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1682 | #endif |
1a30305b | 1683 | |
44a8e56a | 1684 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1685 | #ifdef MSDOS |
fb73857a | 1686 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1687 | #endif |
1688 | #ifdef DJGPP | |
1689 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1690 | #endif |
79072805 | 1691 | #ifdef OS2 |
5dd60ef7 | 1692 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1693 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1694 | #endif |
79072805 | 1695 | #ifdef atarist |
760ac839 | 1696 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1697 | #endif |
760ac839 | 1698 | printf("\n\ |
79072805 | 1699 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1700 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1701 | exit(0); |
1702 | case 'w': | |
1703 | dowarn = TRUE; | |
1704 | s++; | |
1705 | return s; | |
a0d0e21e | 1706 | case '*': |
79072805 LW |
1707 | case ' ': |
1708 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1709 | return s+2; | |
1710 | break; | |
a0d0e21e | 1711 | case '-': |
79072805 LW |
1712 | case 0: |
1713 | case '\n': | |
1714 | case '\t': | |
1715 | break; | |
aa689395 | 1716 | #ifdef ALTERNATE_SHEBANG |
1717 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1718 | break; | |
1719 | #endif | |
a0d0e21e LW |
1720 | case 'P': |
1721 | if (preprocess) | |
1722 | return s+1; | |
1723 | /* FALL THROUGH */ | |
79072805 | 1724 | default: |
a0d0e21e | 1725 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1726 | } |
1727 | return Nullch; | |
1728 | } | |
1729 | ||
1730 | /* compliments of Tom Christiansen */ | |
1731 | ||
1732 | /* unexec() can be found in the Gnu emacs distribution */ | |
1733 | ||
1734 | void | |
1735 | my_unexec() | |
1736 | { | |
1737 | #ifdef UNEXEC | |
46fc3d4c | 1738 | SV* prog; |
1739 | SV* file; | |
79072805 LW |
1740 | int status; |
1741 | extern int etext; | |
1742 | ||
46fc3d4c | 1743 | prog = newSVpv(BIN_EXP); |
1744 | sv_catpv(prog, "/perl"); | |
1745 | file = newSVpv(origfilename); | |
1746 | sv_catpv(file, ".perldump"); | |
79072805 | 1747 | |
46fc3d4c | 1748 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1749 | if (status) |
46fc3d4c | 1750 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1751 | SvPVX(prog), SvPVX(file)); | |
a0d0e21e | 1752 | exit(status); |
79072805 | 1753 | #else |
a5f75d66 AD |
1754 | # ifdef VMS |
1755 | # include <lib$routines.h> | |
1756 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1757 | # else |
79072805 | 1758 | ABORT(); /* for use with undump */ |
aa689395 | 1759 | # endif |
a5f75d66 | 1760 | #endif |
79072805 LW |
1761 | } |
1762 | ||
1763 | static void | |
1764 | init_main_stash() | |
1765 | { | |
11343788 | 1766 | dTHR; |
463ee0b2 | 1767 | GV *gv; |
6e72f9df | 1768 | |
1769 | /* Note that strtab is a rather special HV. Assumptions are made | |
1770 | about not iterating on it, and not adding tie magic to it. | |
1771 | It is properly deallocated in perl_destruct() */ | |
1772 | strtab = newHV(); | |
1773 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1774 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1775 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1776 | ||
463ee0b2 | 1777 | curstash = defstash = newHV(); |
79072805 | 1778 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1779 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1780 | SvREFCNT_dec(GvHV(gv)); | |
1781 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1782 | SvREADONLY_on(gv); |
a0d0e21e | 1783 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1784 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1785 | GvMULTI_on(incgv); |
a0d0e21e | 1786 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
4633a7c4 | 1787 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
a5f75d66 | 1788 | GvMULTI_on(errgv); |
84902520 TB |
1789 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
1790 | sv_grow(GvSV(errgv), 240); /* Preallocate - for immediate signals. */ | |
552a7a9b | 1791 | sv_setpvn(GvSV(errgv), "", 0); |
8990e307 LW |
1792 | curstash = defstash; |
1793 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1794 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1795 | /* We must init $/ before switches are processed. */ |
1796 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1797 | } |
1798 | ||
a0d0e21e LW |
1799 | #ifdef CAN_PROTOTYPE |
1800 | static void | |
1801 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1802 | #else | |
79072805 LW |
1803 | static void |
1804 | open_script(scriptname,dosearch,sv) | |
1805 | char *scriptname; | |
1806 | bool dosearch; | |
1807 | SV *sv; | |
a0d0e21e | 1808 | #endif |
79072805 | 1809 | { |
0f15f207 | 1810 | dTHR; |
79072805 LW |
1811 | char *xfound = Nullch; |
1812 | char *xfailed = Nullch; | |
1813 | register char *s; | |
1814 | I32 len; | |
a38d6535 LW |
1815 | int retval; |
1816 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1817 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1818 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1819 | #endif |
d8c2d278 IZ |
1820 | #ifdef OS2 |
1821 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1822 | # define MAX_EXT_LEN 4 | |
1823 | #endif | |
ab821d7f | 1824 | #ifdef VMS |
1825 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1826 | # define MAX_EXT_LEN 4 |
ab821d7f | 1827 | #endif |
a38d6535 LW |
1828 | /* additional extensions to try in each dir if scriptname not found */ |
1829 | #ifdef SEARCH_EXTS | |
1830 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1831 | int extidx = 0, i = 0; |
1832 | char *curext = Nullch; | |
fc36a67e | 1833 | #else |
1834 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1835 | #endif |
79072805 | 1836 | |
2a92aaa0 GS |
1837 | /* |
1838 | * If dosearch is true and if scriptname does not contain path | |
1839 | * delimiters, search the PATH for scriptname. | |
1840 | * | |
1841 | * If SEARCH_EXTS is also defined, will look for each | |
1842 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1843 | * while searching the PATH. | |
1844 | * | |
1845 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1846 | * proceeds as follows: | |
1847 | * If DOSISH: | |
1848 | * + look for ./scriptname{,.foo,.bar} | |
1849 | * + search the PATH for scriptname{,.foo,.bar} | |
1850 | * | |
1851 | * If !DOSISH: | |
1852 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1853 | * this will not look in '.' if it's not in the PATH) | |
1854 | */ | |
1855 | ||
c07a80fd | 1856 | #ifdef VMS |
6e72f9df | 1857 | if (dosearch) { |
1858 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1859 | bool seen_dot = 1; |
6e72f9df | 1860 | |
1861 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1862 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1863 | * already have, so we can check for default file types. */ | |
fc36a67e | 1864 | while (deftypes || |
1865 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1866 | { | |
1867 | if (deftypes) { | |
1868 | deftypes = 0; | |
1869 | *tokenbuf = '\0'; | |
1870 | } | |
1871 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1872 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1873 | continue; /* don't search dir with too-long name */ | |
1874 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1875 | #else /* !VMS */ |
2a92aaa0 | 1876 | |
fc36a67e | 1877 | #ifdef DOSISH |
2a92aaa0 | 1878 | if (strEQ(scriptname, "-")) |
84902520 | 1879 | dosearch = 0; |
2a92aaa0 GS |
1880 | if (dosearch) { /* Look in '.' first. */ |
1881 | char *cur = scriptname; | |
1882 | #ifdef SEARCH_EXTS | |
1883 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1884 | while (ext[i]) | |
1885 | if (strEQ(ext[i++],curext)) { | |
1886 | extidx = -1; /* already has an ext */ | |
1887 | break; | |
1888 | } | |
1889 | do { | |
79072805 | 1890 | #endif |
2a92aaa0 GS |
1891 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1892 | "Looking for %s\n",cur)); | |
1893 | if (Stat(cur,&statbuf) >= 0) { | |
1894 | dosearch = 0; | |
1895 | scriptname = cur; | |
84902520 | 1896 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1897 | break; |
84902520 | 1898 | #endif |
2a92aaa0 GS |
1899 | } |
1900 | #ifdef SEARCH_EXTS | |
1901 | if (cur == scriptname) { | |
1902 | len = strlen(scriptname); | |
1903 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1904 | break; | |
1905 | cur = strcpy(tokenbuf, scriptname); | |
1906 | } | |
1907 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1908 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1909 | #endif | |
1910 | } | |
1911 | #endif | |
84902520 | 1912 | |
e92c4225 WJ |
1913 | if (dosearch && !strchr(scriptname, '/') |
1914 | #ifdef DOSISH | |
1915 | && !strchr(scriptname, '\\') | |
1916 | #endif | |
1917 | && (s = getenv("PATH"))) { | |
2a92aaa0 | 1918 | bool seen_dot = 0; |
84902520 | 1919 | |
79072805 | 1920 | bufend = s + strlen(s); |
fc36a67e | 1921 | while (s < bufend) { |
2a92aaa0 GS |
1922 | #if defined(atarist) || defined(DOSISH) |
1923 | for (len = 0; *s | |
1924 | # ifdef atarist | |
1925 | && *s != ',' | |
1926 | # endif | |
1927 | && *s != ';'; len++, s++) { | |
fc36a67e | 1928 | if (len < sizeof tokenbuf) |
1929 | tokenbuf[len] = *s; | |
1930 | } | |
1931 | if (len < sizeof tokenbuf) | |
1932 | tokenbuf[len] = '\0'; | |
84902520 TB |
1933 | #else /* ! (atarist || DOSISH) */ |
1934 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1935 | ':', | |
1936 | &len); | |
1937 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1938 | if (s < bufend) |
79072805 | 1939 | s++; |
fc36a67e | 1940 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1941 | continue; /* don't search dir with too-long name */ | |
1942 | if (len | |
fc36a67e | 1943 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1944 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1945 | && tokenbuf[len - 1] != '\\' |
79072805 | 1946 | #endif |
fc36a67e | 1947 | ) |
1948 | tokenbuf[len++] = '/'; | |
84902520 | 1949 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1950 | seen_dot = 1; |
fc36a67e | 1951 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1952 | #endif /* !VMS */ |
a38d6535 LW |
1953 | |
1954 | #ifdef SEARCH_EXTS | |
1955 | len = strlen(tokenbuf); | |
1956 | if (extidx > 0) /* reset after previous loop */ | |
1957 | extidx = 0; | |
1958 | do { | |
1959 | #endif | |
760ac839 | 1960 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1961 | retval = Stat(tokenbuf,&statbuf); |
1962 | #ifdef SEARCH_EXTS | |
1963 | } while ( retval < 0 /* not there */ | |
1964 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1965 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1966 | ); | |
1967 | #endif | |
1968 | if (retval < 0) | |
79072805 LW |
1969 | continue; |
1970 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1971 | && cando(S_IRUSR,TRUE,&statbuf) |
1972 | #ifndef DOSISH | |
1973 | && cando(S_IXUSR,TRUE,&statbuf) | |
1974 | #endif | |
1975 | ) | |
1976 | { | |
79072805 LW |
1977 | xfound = tokenbuf; /* bingo! */ |
1978 | break; | |
1979 | } | |
1980 | if (!xfailed) | |
a0d0e21e | 1981 | xfailed = savepv(tokenbuf); |
79072805 | 1982 | } |
2a92aaa0 GS |
1983 | #ifndef DOSISH |
1984 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1985 | #endif |
1986 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1987 | if (!xfound) |
84902520 | 1988 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1989 | (xfailed ? "execute" : "find"), |
1990 | (xfailed ? xfailed : scriptname), | |
1991 | (xfailed ? "" : " on PATH"), | |
1992 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1993 | if (xfailed) |
1994 | Safefree(xfailed); | |
1995 | scriptname = xfound; | |
1996 | } | |
1997 | ||
96436eeb | 1998 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1999 | char *s = scriptname + 8; | |
2000 | fdscript = atoi(s); | |
2001 | while (isDIGIT(*s)) | |
2002 | s++; | |
2003 | if (*s) | |
2004 | scriptname = s + 1; | |
2005 | } | |
2006 | else | |
2007 | fdscript = -1; | |
ab821d7f | 2008 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
2009 | curcop->cop_filegv = gv_fetchfile(origfilename); |
2010 | if (strEQ(origfilename,"-")) | |
2011 | scriptname = ""; | |
96436eeb | 2012 | if (fdscript >= 0) { |
760ac839 | 2013 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 2014 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2015 | if (rsfp) |
2016 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2017 | #endif |
2018 | } | |
2019 | else if (preprocess) { | |
46fc3d4c | 2020 | char *cpp_cfg = CPPSTDIN; |
2021 | SV *cpp = NEWSV(0,0); | |
2022 | SV *cmd = NEWSV(0,0); | |
2023 | ||
2024 | if (strEQ(cpp_cfg, "cppstdin")) | |
2025 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2026 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2027 | |
79072805 | 2028 | sv_catpv(sv,"-I"); |
fed7345c | 2029 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2030 | |
79072805 | 2031 | #ifdef MSDOS |
46fc3d4c | 2032 | sv_setpvf(cmd, "\ |
79072805 LW |
2033 | sed %s -e \"/^[^#]/b\" \ |
2034 | -e \"/^#[ ]*include[ ]/b\" \ | |
2035 | -e \"/^#[ ]*define[ ]/b\" \ | |
2036 | -e \"/^#[ ]*if[ ]/b\" \ | |
2037 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2038 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2039 | -e \"/^#[ ]*else/b\" \ | |
2040 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2041 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2042 | -e \"/^#[ ]*endif/b\" \ | |
2043 | -e \"s/^#.*//\" \ | |
fc36a67e | 2044 | %s | %_ -C %_ %s", |
79072805 LW |
2045 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2046 | #else | |
46fc3d4c | 2047 | sv_setpvf(cmd, "\ |
79072805 LW |
2048 | %s %s -e '/^[^#]/b' \ |
2049 | -e '/^#[ ]*include[ ]/b' \ | |
2050 | -e '/^#[ ]*define[ ]/b' \ | |
2051 | -e '/^#[ ]*if[ ]/b' \ | |
2052 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2053 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2054 | -e '/^#[ ]*else/b' \ | |
2055 | -e '/^#[ ]*elif[ ]/b' \ | |
2056 | -e '/^#[ ]*undef[ ]/b' \ | |
2057 | -e '/^#[ ]*endif/b' \ | |
2058 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2059 | %s | %_ -C %_ %s", |
79072805 LW |
2060 | #ifdef LOC_SED |
2061 | LOC_SED, | |
2062 | #else | |
2063 | "sed", | |
2064 | #endif | |
2065 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2066 | #endif | |
46fc3d4c | 2067 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2068 | doextract = FALSE; |
2069 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2070 | if (euid != uid && !euid) { /* if running suidperl */ | |
2071 | #ifdef HAS_SETEUID | |
2072 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2073 | #else | |
2074 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2075 | (void)setreuid((Uid_t)-1, uid); |
2076 | #else | |
2077 | #ifdef HAS_SETRESUID | |
2078 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2079 | #else |
2080 | setuid(uid); | |
2081 | #endif | |
2082 | #endif | |
85e6fe83 | 2083 | #endif |
79072805 | 2084 | if (geteuid() != uid) |
463ee0b2 | 2085 | croak("Can't do seteuid!\n"); |
79072805 LW |
2086 | } |
2087 | #endif /* IAMSUID */ | |
46fc3d4c | 2088 | rsfp = my_popen(SvPVX(cmd), "r"); |
2089 | SvREFCNT_dec(cmd); | |
2090 | SvREFCNT_dec(cpp); | |
79072805 LW |
2091 | } |
2092 | else if (!*scriptname) { | |
bbce6d69 | 2093 | forbid_setid("program input from stdin"); |
760ac839 | 2094 | rsfp = PerlIO_stdin(); |
79072805 | 2095 | } |
96436eeb | 2096 | else { |
760ac839 | 2097 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 2098 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2099 | if (rsfp) |
2100 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2101 | #endif |
2102 | } | |
5dd60ef7 | 2103 | if (e_tmpname) { |
2104 | e_fp = rsfp; | |
2105 | } | |
7aa04957 | 2106 | if (!rsfp) { |
13281fa4 | 2107 | #ifdef DOSUID |
a687059c | 2108 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2109 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2110 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2111 | /* try again */ |
2112 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
463ee0b2 | 2113 | croak("Can't do setuid\n"); |
13281fa4 LW |
2114 | } |
2115 | #endif | |
2116 | #endif | |
463ee0b2 | 2117 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2118 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2119 | } |
79072805 | 2120 | } |
8d063cd8 | 2121 | |
79072805 | 2122 | static void |
96436eeb | 2123 | validate_suid(validarg, scriptname) |
79072805 | 2124 | char *validarg; |
96436eeb | 2125 | char *scriptname; |
79072805 | 2126 | { |
96436eeb | 2127 | int which; |
2128 | ||
13281fa4 LW |
2129 | /* do we need to emulate setuid on scripts? */ |
2130 | ||
2131 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2132 | * in the kernel because of a security problem. Merely defining DOSUID | |
2133 | * in perl will not fix that problem, but if you have disabled setuid | |
2134 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2135 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2136 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2137 | * discovers that it has opened a setuid script, it calls suidperl with | |
2138 | * the same argv that it had. If suidperl finds that the script it has | |
2139 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2140 | * uid. We don't just make perl setuid root because that loses the | |
2141 | * effective uid we had before invoking perl, if it was different from the | |
2142 | * uid. | |
13281fa4 LW |
2143 | * |
2144 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2145 | * be defined in suidperl only. suidperl must be setuid root. The | |
2146 | * Configure script will set this up for you if you want it. | |
2147 | */ | |
a687059c | 2148 | |
13281fa4 | 2149 | #ifdef DOSUID |
6e72f9df | 2150 | char *s, *s2; |
a0d0e21e | 2151 | |
760ac839 | 2152 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2153 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2154 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2155 | I32 len; |
13281fa4 | 2156 | |
a687059c | 2157 | #ifdef IAMSUID |
fe14fcc3 | 2158 | #ifndef HAS_SETREUID |
a687059c LW |
2159 | /* On this access check to make sure the directories are readable, |
2160 | * there is actually a small window that the user could use to make | |
2161 | * filename point to an accessible directory. So there is a faint | |
2162 | * chance that someone could execute a setuid script down in a | |
2163 | * non-accessible directory. I don't know what to do about that. | |
2164 | * But I don't think it's too important. The manual lies when | |
2165 | * it says access() is useful in setuid programs. | |
2166 | */ | |
463ee0b2 LW |
2167 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
2168 | croak("Permission denied"); | |
a687059c LW |
2169 | #else |
2170 | /* If we can swap euid and uid, then we can determine access rights | |
2171 | * with a simple stat of the file, and then compare device and | |
2172 | * inode to make sure we did stat() on the same file we opened. | |
2173 | * Then we just have to make sure he or she can execute it. | |
2174 | */ | |
2175 | { | |
2176 | struct stat tmpstatbuf; | |
2177 | ||
85e6fe83 LW |
2178 | if ( |
2179 | #ifdef HAS_SETREUID | |
2180 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2181 | #else |
2182 | # if HAS_SETRESUID | |
85e6fe83 | 2183 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2184 | # endif |
85e6fe83 LW |
2185 | #endif |
2186 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2187 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2188 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2189 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2190 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2191 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2192 | (void)PerlIO_close(rsfp); |
79072805 | 2193 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2194 | PerlIO_printf(rsfp, |
ff0cee69 | 2195 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2196 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2197 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2198 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2199 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2200 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 2201 | (void)my_pclose(rsfp); |
a687059c | 2202 | } |
463ee0b2 | 2203 | croak("Permission denied\n"); |
a687059c | 2204 | } |
85e6fe83 LW |
2205 | if ( |
2206 | #ifdef HAS_SETREUID | |
2207 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2208 | #else |
2209 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2210 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2211 | # endif |
85e6fe83 LW |
2212 | #endif |
2213 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2214 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2215 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2216 | croak("Permission denied\n"); |
a687059c | 2217 | } |
fe14fcc3 | 2218 | #endif /* HAS_SETREUID */ |
a687059c LW |
2219 | #endif /* IAMSUID */ |
2220 | ||
27e2fb84 | 2221 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2222 | croak("Permission denied"); |
27e2fb84 | 2223 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2224 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2225 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2226 | curcop->cop_line++; |
760ac839 LW |
2227 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2228 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2229 | croak("No #! line"); |
760ac839 | 2230 | s = SvPV(linestr,na)+2; |
663a0e37 | 2231 | if (*s == ' ') s++; |
45d8adaa | 2232 | while (!isSPACE(*s)) s++; |
760ac839 | 2233 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2234 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2235 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2236 | croak("Not a perl script"); |
a687059c | 2237 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2238 | /* |
2239 | * #! arg must be what we saw above. They can invoke it by | |
2240 | * mentioning suidperl explicitly, but they may not add any strange | |
2241 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2242 | */ | |
2243 | len = strlen(validarg); | |
2244 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2245 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2246 | croak("Args must match #! line"); |
a687059c LW |
2247 | |
2248 | #ifndef IAMSUID | |
2249 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2250 | euid == statbuf.st_uid) | |
2251 | if (!do_undump) | |
463ee0b2 | 2252 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2253 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2254 | #endif /* IAMSUID */ | |
13281fa4 LW |
2255 | |
2256 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2257 | (void)PerlIO_close(rsfp); |
13281fa4 | 2258 | #ifndef IAMSUID |
46fc3d4c | 2259 | /* try again */ |
2260 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
13281fa4 | 2261 | #endif |
463ee0b2 | 2262 | croak("Can't do setuid\n"); |
13281fa4 LW |
2263 | } |
2264 | ||
83025b21 | 2265 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2266 | #ifdef HAS_SETEGID |
a687059c LW |
2267 | (void)setegid(statbuf.st_gid); |
2268 | #else | |
fe14fcc3 | 2269 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2270 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2271 | #else | |
2272 | #ifdef HAS_SETRESGID | |
2273 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2274 | #else |
2275 | setgid(statbuf.st_gid); | |
2276 | #endif | |
2277 | #endif | |
85e6fe83 | 2278 | #endif |
83025b21 | 2279 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2280 | croak("Can't do setegid!\n"); |
83025b21 | 2281 | } |
a687059c LW |
2282 | if (statbuf.st_mode & S_ISUID) { |
2283 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2284 | #ifdef HAS_SETEUID |
a687059c LW |
2285 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2286 | #else | |
fe14fcc3 | 2287 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2288 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2289 | #else | |
2290 | #ifdef HAS_SETRESUID | |
2291 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2292 | #else |
2293 | setuid(statbuf.st_uid); | |
2294 | #endif | |
2295 | #endif | |
85e6fe83 | 2296 | #endif |
83025b21 | 2297 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2298 | croak("Can't do seteuid!\n"); |
a687059c | 2299 | } |
83025b21 | 2300 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2301 | #ifdef HAS_SETEUID |
85e6fe83 | 2302 | (void)seteuid((Uid_t)uid); |
a687059c | 2303 | #else |
fe14fcc3 | 2304 | #ifdef HAS_SETREUID |
85e6fe83 | 2305 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2306 | #else |
85e6fe83 LW |
2307 | #ifdef HAS_SETRESUID |
2308 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2309 | #else | |
2310 | setuid((Uid_t)uid); | |
2311 | #endif | |
a687059c LW |
2312 | #endif |
2313 | #endif | |
83025b21 | 2314 | if (geteuid() != uid) |
463ee0b2 | 2315 | croak("Can't do seteuid!\n"); |
83025b21 | 2316 | } |
748a9306 | 2317 | init_ids(); |
27e2fb84 | 2318 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2319 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2320 | } |
2321 | #ifdef IAMSUID | |
2322 | else if (preprocess) | |
463ee0b2 | 2323 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2324 | else if (fdscript >= 0) |
2325 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2326 | else |
463ee0b2 | 2327 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2328 | |
2329 | /* We absolutely must clear out any saved ids here, so we */ | |
2330 | /* exec the real perl, substituting fd script for scriptname. */ | |
2331 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
2332 | PerlIO_rewind(rsfp); |
2333 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 2334 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2335 | if (!origargv[which]) | |
2336 | croak("Permission denied"); | |
46fc3d4c | 2337 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2338 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2339 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2340 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2341 | #endif |
46fc3d4c | 2342 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2343 | croak("Can't do setuid\n"); |
13281fa4 | 2344 | #endif /* IAMSUID */ |
a687059c | 2345 | #else /* !DOSUID */ |
a687059c LW |
2346 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2347 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2348 | dTHR; |
760ac839 | 2349 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2350 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2351 | || | |
2352 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2353 | ) | |
2354 | if (!do_undump) | |
463ee0b2 | 2355 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2356 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2357 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2358 | /* not set-id, must be wrapped */ | |
a687059c | 2359 | } |
13281fa4 | 2360 | #endif /* DOSUID */ |
79072805 | 2361 | } |
13281fa4 | 2362 | |
79072805 LW |
2363 | static void |
2364 | find_beginning() | |
2365 | { | |
6e72f9df | 2366 | register char *s, *s2; |
33b78306 LW |
2367 | |
2368 | /* skip forward in input to the real script? */ | |
2369 | ||
bbce6d69 | 2370 | forbid_setid("-x"); |
33b78306 | 2371 | while (doextract) { |
79072805 | 2372 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2373 | croak("No Perl script found in input\n"); |
6e72f9df | 2374 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2375 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2376 | doextract = FALSE; |
6e72f9df | 2377 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2378 | s2 = s; | |
2379 | while (*s == ' ' || *s == '\t') s++; | |
2380 | if (*s++ == '-') { | |
2381 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2382 | if (strnEQ(s2-4,"perl",4)) | |
2383 | /*SUPPRESS 530*/ | |
2384 | while (s = moreswitches(s)) ; | |
33b78306 | 2385 | } |
79072805 | 2386 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2387 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2388 | } |
2389 | } | |
2390 | } | |
2391 | ||
79072805 | 2392 | static void |
748a9306 | 2393 | init_ids() |
352d5a3a | 2394 | { |
748a9306 LW |
2395 | uid = (int)getuid(); |
2396 | euid = (int)geteuid(); | |
2397 | gid = (int)getgid(); | |
2398 | egid = (int)getegid(); | |
2399 | #ifdef VMS | |
2400 | uid |= gid << 16; | |
2401 | euid |= egid << 16; | |
2402 | #endif | |
4633a7c4 | 2403 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2404 | } |
79072805 | 2405 | |
748a9306 | 2406 | static void |
bbce6d69 | 2407 | forbid_setid(s) |
2408 | char *s; | |
2409 | { | |
2410 | if (euid != uid) | |
2411 | croak("No %s allowed while running setuid", s); | |
2412 | if (egid != gid) | |
2413 | croak("No %s allowed while running setgid", s); | |
2414 | } | |
2415 | ||
2416 | static void | |
748a9306 LW |
2417 | init_debugger() |
2418 | { | |
11343788 | 2419 | dTHR; |
79072805 | 2420 | curstash = debstash; |
748a9306 | 2421 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2422 | AvREAL_off(dbargs); |
a0d0e21e LW |
2423 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2424 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2425 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2426 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2427 | sv_setiv(DBsingle, 0); |
748a9306 | 2428 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2429 | sv_setiv(DBtrace, 0); |
748a9306 | 2430 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2431 | sv_setiv(DBsignal, 0); |
79072805 | 2432 | curstash = defstash; |
352d5a3a LW |
2433 | } |
2434 | ||
11343788 MB |
2435 | void |
2436 | init_stacks(ARGS) | |
2437 | dARGS | |
79072805 | 2438 | { |
6e72f9df | 2439 | curstack = newAV(); |
5f05dabc | 2440 | mainstack = curstack; /* remember in case we switch stacks */ |
2441 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2442 | av_extend(curstack,127); |
79072805 | 2443 | |
6e72f9df | 2444 | stack_base = AvARRAY(curstack); |
79072805 | 2445 | stack_sp = stack_base; |
8990e307 | 2446 | stack_max = stack_base + 127; |
79072805 | 2447 | |
a5f75d66 AD |
2448 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2449 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
8990e307 | 2450 | cxstack_ix = -1; |
8990e307 LW |
2451 | |
2452 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2453 | tmps_floor = -1; |
8990e307 LW |
2454 | tmps_ix = -1; |
2455 | tmps_max = 128; | |
2456 | ||
5f05dabc | 2457 | /* |
2458 | * The following stacks almost certainly should be per-interpreter, | |
2459 | * but for now they're not. XXX | |
2460 | */ | |
2461 | ||
6e72f9df | 2462 | if (markstack) { |
2463 | markstack_ptr = markstack; | |
2464 | } else { | |
2465 | New(54,markstack,64,I32); | |
2466 | markstack_ptr = markstack; | |
2467 | markstack_max = markstack + 64; | |
2468 | } | |
79072805 | 2469 | |
6e72f9df | 2470 | if (scopestack) { |
2471 | scopestack_ix = 0; | |
2472 | } else { | |
2473 | New(54,scopestack,32,I32); | |
2474 | scopestack_ix = 0; | |
2475 | scopestack_max = 32; | |
2476 | } | |
79072805 | 2477 | |
6e72f9df | 2478 | if (savestack) { |
2479 | savestack_ix = 0; | |
2480 | } else { | |
2481 | New(54,savestack,128,ANY); | |
2482 | savestack_ix = 0; | |
2483 | savestack_max = 128; | |
2484 | } | |
79072805 | 2485 | |
6e72f9df | 2486 | if (retstack) { |
2487 | retstack_ix = 0; | |
2488 | } else { | |
2489 | New(54,retstack,16,OP*); | |
2490 | retstack_ix = 0; | |
2491 | retstack_max = 16; | |
5f05dabc | 2492 | } |
378cc40b | 2493 | } |
33b78306 | 2494 | |
6e72f9df | 2495 | static void |
2496 | nuke_stacks() | |
2497 | { | |
e858de61 | 2498 | dTHR; |
6e72f9df | 2499 | Safefree(cxstack); |
2500 | Safefree(tmps_stack); | |
5f05dabc | 2501 | DEBUG( { |
2502 | Safefree(debname); | |
2503 | Safefree(debdelim); | |
2504 | } ) | |
378cc40b | 2505 | } |
33b78306 | 2506 | |
760ac839 | 2507 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2508 | |
79072805 | 2509 | static void |
8990e307 LW |
2510 | init_lexer() |
2511 | { | |
a0d0e21e | 2512 | tmpfp = rsfp; |
90248788 | 2513 | rsfp = Nullfp; |
8990e307 LW |
2514 | lex_start(linestr); |
2515 | rsfp = tmpfp; | |
2516 | subname = newSVpv("main",4); | |
2517 | } | |
2518 | ||
2519 | static void | |
79072805 | 2520 | init_predump_symbols() |
45d8adaa | 2521 | { |
11343788 | 2522 | dTHR; |
93a17b20 | 2523 | GV *tmpgv; |
a0d0e21e | 2524 | GV *othergv; |
79072805 | 2525 | |
85e6fe83 | 2526 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
79072805 | 2527 | |
85e6fe83 | 2528 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2529 | GvMULTI_on(stdingv); |
760ac839 | 2530 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2531 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2532 | GvMULTI_on(tmpgv); |
a0d0e21e | 2533 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2534 | |
85e6fe83 | 2535 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2536 | GvMULTI_on(tmpgv); |
760ac839 | 2537 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2538 | setdefout(tmpgv); |
adbc6bb1 | 2539 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2540 | GvMULTI_on(tmpgv); |
a0d0e21e | 2541 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2542 | |
a0d0e21e | 2543 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2544 | GvMULTI_on(othergv); |
760ac839 | 2545 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2546 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2547 | GvMULTI_on(tmpgv); |
a0d0e21e | 2548 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2549 | |
2550 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2551 | |
6e72f9df | 2552 | if (!osname) |
2553 | osname = savepv(OSNAME); | |
79072805 | 2554 | } |
33b78306 | 2555 | |
79072805 LW |
2556 | static void |
2557 | init_postdump_symbols(argc,argv,env) | |
2558 | register int argc; | |
2559 | register char **argv; | |
2560 | register char **env; | |
33b78306 | 2561 | { |
79072805 LW |
2562 | char *s; |
2563 | SV *sv; | |
2564 | GV* tmpgv; | |
fe14fcc3 | 2565 | |
79072805 LW |
2566 | argc--,argv++; /* skip name of script */ |
2567 | if (doswitches) { | |
2568 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2569 | if (!argv[0][1]) | |
2570 | break; | |
2571 | if (argv[0][1] == '-') { | |
2572 | argc--,argv++; | |
2573 | break; | |
2574 | } | |
93a17b20 | 2575 | if (s = strchr(argv[0], '=')) { |
79072805 | 2576 | *s++ = '\0'; |
85e6fe83 | 2577 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2578 | } |
2579 | else | |
85e6fe83 | 2580 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2581 | } |
79072805 LW |
2582 | } |
2583 | toptarget = NEWSV(0,0); | |
2584 | sv_upgrade(toptarget, SVt_PVFM); | |
2585 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2586 | bodytarget = NEWSV(0,0); |
79072805 LW |
2587 | sv_upgrade(bodytarget, SVt_PVFM); |
2588 | sv_setpvn(bodytarget, "", 0); | |
2589 | formtarget = bodytarget; | |
2590 | ||
bbce6d69 | 2591 | TAINT; |
85e6fe83 | 2592 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2593 | sv_setpv(GvSV(tmpgv),origfilename); |
2594 | magicname("0", "0", 1); | |
2595 | } | |
85e6fe83 | 2596 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2597 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2598 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2599 | GvMULTI_on(argvgv); |
79072805 LW |
2600 | (void)gv_AVadd(argvgv); |
2601 | av_clear(GvAVn(argvgv)); | |
2602 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2603 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2604 | } |
2605 | } | |
85e6fe83 | 2606 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2607 | HV *hv; |
a5f75d66 | 2608 | GvMULTI_on(envgv); |
79072805 | 2609 | hv = GvHVn(envgv); |
5aabfad6 | 2610 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2611 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2612 | /* Note that if the supplied env parameter is actually a copy |
2613 | of the global environ then it may now point to free'd memory | |
2614 | if the environment has been modified since. To avoid this | |
2615 | problem we treat env==NULL as meaning 'use the default' | |
2616 | */ | |
2617 | if (!env) | |
2618 | env = environ; | |
5aabfad6 | 2619 | if (env != environ) |
79072805 LW |
2620 | environ[0] = Nullch; |
2621 | for (; *env; env++) { | |
93a17b20 | 2622 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2623 | continue; |
2624 | *s++ = '\0'; | |
137443ea | 2625 | #ifdef WIN32 |
2626 | (void)strupr(*env); | |
2627 | #endif | |
79072805 LW |
2628 | sv = newSVpv(s--,0); |
2629 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2630 | *s = '='; | |
3e3baf6d TB |
2631 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2632 | /* Sins of the RTL. See note in my_setenv(). */ | |
2633 | (void)putenv(savepv(*env)); | |
2634 | #endif | |
fe14fcc3 | 2635 | } |
4550b24a | 2636 | #endif |
2637 | #ifdef DYNAMIC_ENV_FETCH | |
2638 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2639 | #endif | |
79072805 | 2640 | } |
bbce6d69 | 2641 | TAINT_NOT; |
85e6fe83 | 2642 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2643 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2644 | } |
34de22dd | 2645 | |
79072805 LW |
2646 | static void |
2647 | init_perllib() | |
34de22dd | 2648 | { |
85e6fe83 LW |
2649 | char *s; |
2650 | if (!tainting) { | |
552a7a9b | 2651 | #ifndef VMS |
85e6fe83 LW |
2652 | s = getenv("PERL5LIB"); |
2653 | if (s) | |
774d564b | 2654 | incpush(s, TRUE); |
85e6fe83 | 2655 | else |
774d564b | 2656 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2657 | #else /* VMS */ |
2658 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2659 | * "natural" VMS idiom for a Unix path string. We allow each | |
2660 | * element to be a set of |-separated directories for compatibility. | |
2661 | */ | |
2662 | char buf[256]; | |
2663 | int idx = 0; | |
2664 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2665 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2666 | else |
774d564b | 2667 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2668 | #endif /* VMS */ |
85e6fe83 | 2669 | } |
34de22dd | 2670 | |
c90c0ff4 | 2671 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2672 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2673 | */ | |
4633a7c4 | 2674 | #ifdef APPLLIB_EXP |
774d564b | 2675 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2676 | #endif |
4633a7c4 | 2677 | |
fed7345c | 2678 | #ifdef ARCHLIB_EXP |
774d564b | 2679 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2680 | #endif |
fed7345c AD |
2681 | #ifndef PRIVLIB_EXP |
2682 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2683 | #endif |
774d564b | 2684 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2685 | |
2686 | #ifdef SITEARCH_EXP | |
774d564b | 2687 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2688 | #endif |
2689 | #ifdef SITELIB_EXP | |
774d564b | 2690 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2691 | #endif |
2692 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2693 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2694 | #endif |
a0d0e21e | 2695 | |
4633a7c4 | 2696 | if (!tainting) |
774d564b | 2697 | incpush(".", FALSE); |
2698 | } | |
2699 | ||
2700 | #if defined(DOSISH) | |
2701 | # define PERLLIB_SEP ';' | |
2702 | #else | |
2703 | # if defined(VMS) | |
2704 | # define PERLLIB_SEP '|' | |
2705 | # else | |
2706 | # define PERLLIB_SEP ':' | |
2707 | # endif | |
2708 | #endif | |
2709 | #ifndef PERLLIB_MANGLE | |
2710 | # define PERLLIB_MANGLE(s,n) (s) | |
2711 | #endif | |
2712 | ||
2713 | static void | |
2714 | incpush(p, addsubdirs) | |
2715 | char *p; | |
2716 | int addsubdirs; | |
2717 | { | |
2718 | SV *subdir = Nullsv; | |
2719 | static char *archpat_auto; | |
2720 | ||
2721 | if (!p) | |
2722 | return; | |
2723 | ||
2724 | if (addsubdirs) { | |
2725 | subdir = newSV(0); | |
2726 | if (!archpat_auto) { | |
2727 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2728 | + sizeof("//auto")); | |
2729 | New(55, archpat_auto, len, char); | |
2730 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2731 | #ifdef VMS |
2732 | for (len = sizeof(ARCHNAME) + 2; | |
2733 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2734 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2735 | #endif | |
774d564b | 2736 | } |
2737 | } | |
2738 | ||
2739 | /* Break at all separators */ | |
2740 | while (p && *p) { | |
2741 | SV *libdir = newSV(0); | |
2742 | char *s; | |
2743 | ||
2744 | /* skip any consecutive separators */ | |
2745 | while ( *p == PERLLIB_SEP ) { | |
2746 | /* Uncomment the next line for PATH semantics */ | |
2747 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2748 | p++; | |
2749 | } | |
2750 | ||
2751 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2752 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2753 | (STRLEN)(s - p)); | |
2754 | p = s + 1; | |
2755 | } | |
2756 | else { | |
2757 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2758 | p = Nullch; /* break out */ | |
2759 | } | |
2760 | ||
2761 | /* | |
2762 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2763 | * archname-specific sub-directories. | |
2764 | */ | |
2765 | if (addsubdirs) { | |
2766 | struct stat tmpstatbuf; | |
aa689395 | 2767 | #ifdef VMS |
2768 | char *unix; | |
2769 | STRLEN len; | |
774d564b | 2770 | |
aa689395 | 2771 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2772 | len = strlen(unix); | |
2773 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2774 | sv_usepvn(libdir,unix,len); | |
2775 | } | |
2776 | else | |
2777 | PerlIO_printf(PerlIO_stderr(), | |
2778 | "Failed to unixify @INC element \"%s\"\n", | |
2779 | SvPV(libdir,na)); | |
2780 | #endif | |
4fdae800 | 2781 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2782 | sv_setsv(subdir, libdir); |
2783 | sv_catpv(subdir, archpat_auto); | |
2784 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2785 | S_ISDIR(tmpstatbuf.st_mode)) | |
2786 | av_push(GvAVn(incgv), | |
2787 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2788 | ||
4fdae800 | 2789 | /* .../archname if -d .../archname/auto */ |
774d564b | 2790 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2791 | strlen(patchlevel) + 1, "", 0); | |
2792 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2793 | S_ISDIR(tmpstatbuf.st_mode)) | |
2794 | av_push(GvAVn(incgv), | |
2795 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2796 | } | |
2797 | ||
2798 | /* finally push this lib directory on the end of @INC */ | |
2799 | av_push(GvAVn(incgv), libdir); | |
2800 | } | |
2801 | ||
2802 | SvREFCNT_dec(subdir); | |
34de22dd | 2803 | } |
93a17b20 LW |
2804 | |
2805 | void | |
68dc0745 | 2806 | call_list(oldscope, list) |
2ae324a7 | 2807 | I32 oldscope; |
93a17b20 LW |
2808 | AV* list; |
2809 | { | |
11343788 | 2810 | dTHR; |
a0d0e21e | 2811 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2812 | STRLEN len; |
2813 | dJMPENV; | |
2814 | int ret; | |
93a17b20 | 2815 | |
8990e307 LW |
2816 | while (AvFILL(list) >= 0) { |
2817 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2818 | |
8990e307 | 2819 | SAVEFREESV(cv); |
a0d0e21e | 2820 | |
22921e25 CS |
2821 | JMPENV_PUSH(ret); |
2822 | switch (ret) { | |
748a9306 | 2823 | case 0: { |
4633a7c4 | 2824 | SV* atsv = GvSV(errgv); |
748a9306 LW |
2825 | PUSHMARK(stack_sp); |
2826 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
2827 | (void)SvPV(atsv, len); | |
2828 | if (len) { | |
54310121 | 2829 | JMPENV_POP; |
748a9306 LW |
2830 | curcop = &compiling; |
2831 | curcop->cop_line = oldline; | |
2832 | if (list == beginav) | |
2833 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
2834 | else | |
2835 | sv_catpv(atsv, "END failed--cleanup aborted"); | |
2ae324a7 | 2836 | while (scopestack_ix > oldscope) |
2837 | LEAVE; | |
748a9306 LW |
2838 | croak("%s", SvPVX(atsv)); |
2839 | } | |
a0d0e21e | 2840 | } |
85e6fe83 LW |
2841 | break; |
2842 | case 1: | |
f86702cc | 2843 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2844 | /* FALL THROUGH */ |
2845 | case 2: | |
2846 | /* my_exit() was called */ | |
2ae324a7 | 2847 | while (scopestack_ix > oldscope) |
2848 | LEAVE; | |
84902520 | 2849 | FREETMPS; |
85e6fe83 LW |
2850 | curstash = defstash; |
2851 | if (endav) | |
68dc0745 | 2852 | call_list(oldscope, endav); |
54310121 | 2853 | JMPENV_POP; |
a0d0e21e LW |
2854 | curcop = &compiling; |
2855 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2856 | if (statusvalue) { |
2857 | if (list == beginav) | |
a0d0e21e | 2858 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2859 | else |
a0d0e21e | 2860 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2861 | } |
f86702cc | 2862 | my_exit_jump(); |
85e6fe83 | 2863 | /* NOTREACHED */ |
85e6fe83 LW |
2864 | case 3: |
2865 | if (!restartop) { | |
760ac839 | 2866 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2867 | FREETMPS; |
85e6fe83 LW |
2868 | break; |
2869 | } | |
54310121 | 2870 | JMPENV_POP; |
a0d0e21e LW |
2871 | curcop = &compiling; |
2872 | curcop->cop_line = oldline; | |
54310121 | 2873 | JMPENV_JUMP(3); |
8990e307 | 2874 | } |
54310121 | 2875 | JMPENV_POP; |
93a17b20 | 2876 | } |
93a17b20 | 2877 | } |
93a17b20 | 2878 | |
f86702cc | 2879 | void |
2880 | my_exit(status) | |
2881 | U32 status; | |
2882 | { | |
5dc0d613 MB |
2883 | dTHR; |
2884 | ||
2885 | #ifdef USE_THREADS | |
2886 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread 0x%lx, status %lu\n", | |
2887 | (unsigned long) thr, (unsigned long) status)); | |
2888 | #endif /* USE_THREADS */ | |
f86702cc | 2889 | switch (status) { |
2890 | case 0: | |
2891 | STATUS_ALL_SUCCESS; | |
2892 | break; | |
2893 | case 1: | |
2894 | STATUS_ALL_FAILURE; | |
2895 | break; | |
2896 | default: | |
2897 | STATUS_NATIVE_SET(status); | |
2898 | break; | |
2899 | } | |
2900 | my_exit_jump(); | |
2901 | } | |
2902 | ||
2903 | void | |
2904 | my_failure_exit() | |
2905 | { | |
2906 | #ifdef VMS | |
2907 | if (vaxc$errno & 1) { | |
4fdae800 | 2908 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2909 | STATUS_NATIVE_SET(44); | |
f86702cc | 2910 | } |
2911 | else { | |
ff0cee69 | 2912 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2913 | STATUS_NATIVE_SET(44); |
f86702cc | 2914 | else |
4fdae800 | 2915 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2916 | } |
2917 | #else | |
2918 | if (errno & 255) | |
2919 | STATUS_POSIX_SET(errno); | |
2920 | else if (STATUS_POSIX == 0) | |
2921 | STATUS_POSIX_SET(255); | |
2922 | #endif | |
2923 | my_exit_jump(); | |
93a17b20 LW |
2924 | } |
2925 | ||
f86702cc | 2926 | static void |
2927 | my_exit_jump() | |
2928 | { | |
e858de61 | 2929 | dTHR; |
f86702cc | 2930 | register CONTEXT *cx; |
2931 | I32 gimme; | |
2932 | SV **newsp; | |
2933 | ||
2934 | if (e_tmpname) { | |
2935 | if (e_fp) { | |
2936 | PerlIO_close(e_fp); | |
2937 | e_fp = Nullfp; | |
2938 | } | |
2939 | (void)UNLINK(e_tmpname); | |
2940 | Safefree(e_tmpname); | |
2941 | e_tmpname = Nullch; | |
2942 | } | |
2943 | ||
2944 | if (cxstack_ix >= 0) { | |
2945 | if (cxstack_ix > 0) | |
2946 | dounwind(0); | |
2947 | POPBLOCK(cx,curpm); | |
2948 | LEAVE; | |
2949 | } | |
ff0cee69 | 2950 | |
54310121 | 2951 | JMPENV_JUMP(2); |
f86702cc | 2952 | } |