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; | |
0f15f207 | 139 | #ifdef FAKE_THREADS |
c116a00c | 140 | self = thr; |
33f46ff6 | 141 | thr->next_run = thr->prev_run = thr; |
c116a00c MB |
142 | thr->wait_queue = 0; |
143 | thr->private = 0; | |
33f46ff6 | 144 | thr->tid = 0; |
0f15f207 | 145 | #else |
c116a00c | 146 | self = pthread_self(); |
33f46ff6 | 147 | if (pthread_key_create(&thr_key, 0)) |
c116a00c MB |
148 | croak("panic: pthread_key_create"); |
149 | if (pthread_setspecific(thr_key, (void *) thr)) | |
150 | croak("panic: pthread_setspecific"); | |
151 | #endif /* FAKE_THREADS */ | |
11343788 MB |
152 | #endif /* USE_THREADS */ |
153 | ||
79072805 | 154 | linestr = NEWSV(65,80); |
ed6116ce | 155 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 156 | |
6e72f9df | 157 | if (!SvREADONLY(&sv_undef)) { |
158 | SvREADONLY_on(&sv_undef); | |
79072805 | 159 | |
6e72f9df | 160 | sv_setpv(&sv_no,No); |
161 | SvNV(&sv_no); | |
162 | SvREADONLY_on(&sv_no); | |
79072805 | 163 | |
6e72f9df | 164 | sv_setpv(&sv_yes,Yes); |
165 | SvNV(&sv_yes); | |
166 | SvREADONLY_on(&sv_yes); | |
167 | } | |
79072805 | 168 | |
c07a80fd | 169 | nrs = newSVpv("\n", 1); |
170 | rs = SvREFCNT_inc(nrs); | |
171 | ||
c23142e2 | 172 | sighandlerp = sighandler; |
44a8e56a | 173 | pidstatus = newHV(); |
174 | ||
79072805 LW |
175 | #ifdef MSDOS |
176 | /* | |
177 | * There is no way we can refer to them from Perl so close them to save | |
178 | * space. The other alternative would be to provide STDAUX and STDPRN | |
179 | * filehandles. | |
180 | */ | |
181 | (void)fclose(stdaux); | |
182 | (void)fclose(stdprn); | |
183 | #endif | |
184 | } | |
185 | ||
8990e307 | 186 | #ifdef MULTIPLICITY |
8ebc5c01 | 187 | I_REINIT; |
188 | perl_destruct_level = 1; | |
189 | #else | |
190 | if(perl_destruct_level > 0) | |
191 | I_REINIT; | |
79072805 LW |
192 | #endif |
193 | ||
748a9306 | 194 | init_ids(); |
a5f75d66 | 195 | |
54310121 | 196 | start_env.je_prev = NULL; |
197 | start_env.je_ret = -1; | |
198 | start_env.je_mustcatch = TRUE; | |
199 | top_env = &start_env; | |
f86702cc | 200 | STATUS_ALL_SUCCESS; |
201 | ||
36477c24 | 202 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 203 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 204 | sprintf(patchlevel, "%7.5f", (double) 5 |
205 | + ((double) PATCHLEVEL / (double) 1000) | |
206 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 207 | #else |
e2666263 | 208 | sprintf(patchlevel, "%5.3f", (double) 5 + |
209 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 210 | #endif |
79072805 | 211 | |
ab821d7f | 212 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 213 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 214 | #endif |
215 | ||
760ac839 LW |
216 | PerlIO_init(); /* Hook to IO system */ |
217 | ||
79072805 | 218 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 219 | |
11343788 MB |
220 | init_stacks(ARGS); |
221 | DEBUG( { | |
222 | New(51,debname,128,char); | |
223 | New(52,debdelim,128,char); | |
224 | } ) | |
225 | ||
8990e307 | 226 | ENTER; |
79072805 LW |
227 | } |
228 | ||
229 | void | |
748a9306 | 230 | perl_destruct(sv_interp) |
93a17b20 | 231 | register PerlInterpreter *sv_interp; |
79072805 | 232 | { |
11343788 | 233 | dTHR; |
748a9306 | 234 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 235 | I32 last_sv_count; |
a0d0e21e | 236 | HV *hv; |
33f46ff6 | 237 | Thread t; |
8990e307 | 238 | |
79072805 LW |
239 | if (!(curinterp = sv_interp)) |
240 | return; | |
748a9306 | 241 | |
11343788 | 242 | #ifdef USE_THREADS |
0f15f207 | 243 | #ifndef FAKE_THREADS |
605e5515 | 244 | /* Join with any remaining non-detached threads */ |
33f46ff6 MB |
245 | MUTEX_LOCK(&threads_mutex); |
246 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
605e5515 | 247 | "perl_destruct: waiting for %d threads\n", |
33f46ff6 MB |
248 | nthreads - 1)); |
249 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
250 | MUTEX_LOCK(&t->mutex); |
251 | switch (ThrSTATE(t)) { | |
252 | AV *av; | |
253 | case R_ZOMBIE: | |
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); | |
261 | break; | |
262 | case XXXX: | |
33f46ff6 MB |
263 | } |
264 | } | |
265 | /* Now wait for the thread count nthreads to drop to one */ | |
11343788 MB |
266 | while (nthreads > 1) |
267 | { | |
33f46ff6 MB |
268 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
269 | "perl_destruct: waiting for %d threads\n", | |
270 | nthreads - 1)); | |
271 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
272 | } |
273 | /* At this point, we're the last thread */ | |
33f46ff6 | 274 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 275 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 276 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 277 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 278 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
279 | #endif /* USE_THREADS */ |
280 | ||
748a9306 | 281 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
282 | #ifdef DEBUGGING |
283 | { | |
284 | char *s; | |
5f05dabc | 285 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
286 | int i = atoi(s); | |
287 | if (destruct_level < i) | |
288 | destruct_level = i; | |
289 | } | |
4633a7c4 LW |
290 | } |
291 | #endif | |
292 | ||
8990e307 | 293 | LEAVE; |
a0d0e21e LW |
294 | FREETMPS; |
295 | ||
ff0cee69 | 296 | /* We must account for everything. */ |
297 | ||
298 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 299 | if (main_root) { |
300 | curpad = AvARRAY(comppad); | |
301 | op_free(main_root); | |
ff0cee69 | 302 | main_root = Nullop; |
a0d0e21e | 303 | } |
ff0cee69 | 304 | main_start = Nullop; |
305 | SvREFCNT_dec(main_cv); | |
306 | main_cv = Nullcv; | |
307 | ||
a0d0e21e LW |
308 | if (sv_objcount) { |
309 | /* | |
310 | * Try to destruct global references. We do this first so that the | |
311 | * destructors and destructees still exist. Some sv's might remain. | |
312 | * Non-referenced objects are on their own. | |
313 | */ | |
314 | ||
315 | dirty = TRUE; | |
316 | sv_clean_objs(); | |
8990e307 LW |
317 | } |
318 | ||
5cd24f17 | 319 | /* unhook hooks which will soon be, or use, destroyed data */ |
320 | SvREFCNT_dec(warnhook); | |
321 | warnhook = Nullsv; | |
322 | SvREFCNT_dec(diehook); | |
323 | diehook = Nullsv; | |
324 | SvREFCNT_dec(parsehook); | |
325 | parsehook = Nullsv; | |
326 | ||
a0d0e21e | 327 | if (destruct_level == 0){ |
8990e307 | 328 | |
a0d0e21e LW |
329 | DEBUG_P(debprofdump()); |
330 | ||
331 | /* The exit() function will do everything that needs doing. */ | |
332 | return; | |
333 | } | |
5dd60ef7 | 334 | |
5f05dabc | 335 | /* loosen bonds of global variables */ |
336 | ||
8ebc5c01 | 337 | if(rsfp) { |
338 | (void)PerlIO_close(rsfp); | |
339 | rsfp = Nullfp; | |
340 | } | |
341 | ||
342 | /* Filters for program text */ | |
343 | SvREFCNT_dec(rsfp_filters); | |
344 | rsfp_filters = Nullav; | |
345 | ||
346 | /* switches */ | |
347 | preprocess = FALSE; | |
348 | minus_n = FALSE; | |
349 | minus_p = FALSE; | |
350 | minus_l = FALSE; | |
351 | minus_a = FALSE; | |
352 | minus_F = FALSE; | |
353 | doswitches = FALSE; | |
354 | dowarn = FALSE; | |
355 | doextract = FALSE; | |
356 | sawampersand = FALSE; /* must save all match strings */ | |
357 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
358 | sawvec = FALSE; | |
359 | unsafe = FALSE; | |
360 | ||
361 | Safefree(inplace); | |
362 | inplace = Nullch; | |
363 | ||
364 | Safefree(e_tmpname); | |
365 | e_tmpname = Nullch; | |
366 | ||
367 | if (e_fp) { | |
368 | PerlIO_close(e_fp); | |
369 | e_fp = Nullfp; | |
370 | } | |
371 | ||
372 | /* magical thingies */ | |
373 | ||
374 | Safefree(ofs); /* $, */ | |
375 | ofs = Nullch; | |
5f05dabc | 376 | |
8ebc5c01 | 377 | Safefree(ors); /* $\ */ |
378 | ors = Nullch; | |
379 | ||
380 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 381 | nrs = Nullsv; |
382 | ||
8ebc5c01 | 383 | multiline = 0; /* $* */ |
5f05dabc | 384 | |
8ebc5c01 | 385 | SvREFCNT_dec(statname); |
5f05dabc | 386 | statname = Nullsv; |
387 | statgv = Nullgv; | |
5f05dabc | 388 | |
8ebc5c01 | 389 | /* defgv, aka *_ should be taken care of elsewhere */ |
390 | ||
391 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
392 | ||
393 | /* shortcuts to regexp stuff */ | |
394 | leftgv = Nullgv; | |
395 | ampergv = Nullgv; | |
396 | ||
397 | SAVEFREEOP(curpm); | |
398 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
399 | ||
400 | regprecomp = NULL; /* uncompiled string. */ | |
401 | regparse = NULL; /* Input-scan pointer. */ | |
402 | regxend = NULL; /* End of input for compile */ | |
403 | regnpar = 0; /* () count. */ | |
404 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
405 | regsize = 0; /* Code size. */ | |
406 | regnaughty = 0; /* How bad is this pattern? */ | |
407 | regsawback = 0; /* Did we see \1, ...? */ | |
408 | ||
409 | reginput = NULL; /* String-input pointer. */ | |
410 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
411 | regeol = NULL; /* End of input, for $ check. */ | |
412 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
413 | regendp = (char **)NULL; /* Ditto for endp. */ | |
414 | reglastparen = 0; /* Similarly for lastparen. */ | |
415 | regtill = NULL; /* How far we are required to go. */ | |
416 | regflags = 0; /* are we folding, multilining? */ | |
417 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
418 | ||
419 | #endif /* if 0 */ | |
420 | ||
421 | /* clean up after study() */ | |
422 | SvREFCNT_dec(lastscream); | |
423 | lastscream = Nullsv; | |
424 | Safefree(screamfirst); | |
425 | screamfirst = 0; | |
426 | Safefree(screamnext); | |
427 | screamnext = 0; | |
428 | ||
429 | /* startup and shutdown function lists */ | |
430 | SvREFCNT_dec(beginav); | |
431 | SvREFCNT_dec(endav); | |
77a005ab | 432 | SvREFCNT_dec(initav); |
5618dfe8 | 433 | beginav = Nullav; |
5618dfe8 | 434 | endav = Nullav; |
77a005ab | 435 | initav = Nullav; |
5618dfe8 | 436 | |
8ebc5c01 | 437 | /* temp stack during pp_sort() */ |
438 | SvREFCNT_dec(sortstack); | |
439 | sortstack = Nullav; | |
440 | ||
441 | /* shortcuts just get cleared */ | |
442 | envgv = Nullgv; | |
443 | siggv = Nullgv; | |
444 | incgv = Nullgv; | |
445 | errgv = Nullgv; | |
446 | argvgv = Nullgv; | |
447 | argvoutgv = Nullgv; | |
448 | stdingv = Nullgv; | |
449 | last_in_gv = Nullgv; | |
450 | ||
451 | /* reset so print() ends up where we expect */ | |
452 | setdefout(Nullgv); | |
453 | ||
a0d0e21e | 454 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 455 | |
a0d0e21e | 456 | hv = defstash; |
85e6fe83 | 457 | defstash = 0; |
a0d0e21e LW |
458 | SvREFCNT_dec(hv); |
459 | ||
460 | FREETMPS; | |
461 | if (destruct_level >= 2) { | |
462 | if (scopestack_ix != 0) | |
ff0cee69 | 463 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
464 | (long)scopestack_ix); | |
a0d0e21e | 465 | if (savestack_ix != 0) |
ff0cee69 | 466 | warn("Unbalanced saves: %ld more saves than restores\n", |
467 | (long)savestack_ix); | |
a0d0e21e | 468 | if (tmps_floor != -1) |
ff0cee69 | 469 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
470 | (long)tmps_floor + 1); | |
a0d0e21e | 471 | if (cxstack_ix != -1) |
ff0cee69 | 472 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
473 | (long)cxstack_ix + 1); | |
a0d0e21e | 474 | } |
8990e307 LW |
475 | |
476 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 477 | last_sv_count = 0; |
6e72f9df | 478 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
479 | while (sv_count != 0 && sv_count != last_sv_count) { |
480 | last_sv_count = sv_count; | |
481 | sv_clean_all(); | |
482 | } | |
6e72f9df | 483 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
484 | SvFLAGS(strtab) |= SVt_PVHV; | |
485 | ||
486 | /* Destruct the global string table. */ | |
487 | { | |
488 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
489 | * so that sv_free() won't fail on them. | |
490 | */ | |
491 | I32 riter; | |
492 | I32 max; | |
493 | HE *hent; | |
494 | HE **array; | |
495 | ||
496 | riter = 0; | |
497 | max = HvMAX(strtab); | |
498 | array = HvARRAY(strtab); | |
499 | hent = array[0]; | |
500 | for (;;) { | |
501 | if (hent) { | |
502 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
503 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
504 | HeVAL(hent) = Nullsv; | |
505 | hent = HeNEXT(hent); | |
506 | } | |
507 | if (!hent) { | |
508 | if (++riter > max) | |
509 | break; | |
510 | hent = array[riter]; | |
511 | } | |
512 | } | |
513 | } | |
514 | SvREFCNT_dec(strtab); | |
515 | ||
8990e307 | 516 | if (sv_count != 0) |
ff0cee69 | 517 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 518 | |
4633a7c4 | 519 | sv_free_arenas(); |
44a8e56a | 520 | |
521 | /* No SVs have survived, need to clean out */ | |
522 | linestr = NULL; | |
523 | pidstatus = Nullhv; | |
6e72f9df | 524 | if (origfilename) |
525 | Safefree(origfilename); | |
526 | nuke_stacks(); | |
fc36a67e | 527 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
528 | |
529 | DEBUG_P(debprofdump()); | |
11343788 MB |
530 | #ifdef USE_THREADS |
531 | MUTEX_DESTROY(&sv_mutex); | |
532 | MUTEX_DESTROY(&malloc_mutex); | |
533 | MUTEX_DESTROY(&eval_mutex); | |
c116a00c | 534 | COND_DESTROY(&eval_cond); |
11343788 | 535 | #endif /* USE_THREADS */ |
fc36a67e | 536 | |
537 | /* As the absolutely last thing, free the non-arena SV for mess() */ | |
538 | ||
539 | if (mess_sv) { | |
540 | /* we know that type >= SVt_PV */ | |
541 | SvOOK_off(mess_sv); | |
542 | Safefree(SvPVX(mess_sv)); | |
543 | Safefree(SvANY(mess_sv)); | |
544 | Safefree(mess_sv); | |
545 | mess_sv = Nullsv; | |
546 | } | |
79072805 LW |
547 | } |
548 | ||
549 | void | |
550 | perl_free(sv_interp) | |
93a17b20 | 551 | PerlInterpreter *sv_interp; |
79072805 LW |
552 | { |
553 | if (!(curinterp = sv_interp)) | |
554 | return; | |
555 | Safefree(sv_interp); | |
556 | } | |
557 | ||
558 | int | |
a0d0e21e | 559 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 | 560 | PerlInterpreter *sv_interp; |
a0d0e21e LW |
561 | void (*xsinit)_((void)); |
562 | int argc; | |
563 | char **argv; | |
79072805 | 564 | char **env; |
8d063cd8 | 565 | { |
11343788 | 566 | dTHR; |
79072805 | 567 | register SV *sv; |
8d063cd8 | 568 | register char *s; |
1a30305b | 569 | char *scriptname = NULL; |
a0d0e21e | 570 | VOL bool dosearch = FALSE; |
13281fa4 | 571 | char *validarg = ""; |
2ae324a7 | 572 | I32 oldscope; |
748a9306 | 573 | AV* comppadlist; |
54310121 | 574 | dJMPENV; |
22921e25 | 575 | int ret; |
8d063cd8 | 576 | |
a687059c LW |
577 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
578 | #ifdef IAMSUID | |
579 | #undef IAMSUID | |
463ee0b2 | 580 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
581 | setuid perl scripts securely.\n"); |
582 | #endif | |
583 | #endif | |
584 | ||
79072805 LW |
585 | if (!(curinterp = sv_interp)) |
586 | return 255; | |
587 | ||
6e72f9df | 588 | #if defined(NeXT) && defined(__DYNAMIC__) |
589 | _dyld_lookup_and_bind | |
590 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
591 | #endif /* environ */ | |
592 | ||
ac58e20f LW |
593 | origargv = argv; |
594 | origargc = argc; | |
a0d0e21e | 595 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 596 | origenviron = environ; |
a0d0e21e | 597 | #endif |
ab821d7f | 598 | e_tmpname = Nullch; |
a0d0e21e LW |
599 | |
600 | if (do_undump) { | |
601 | ||
602 | /* Come here if running an undumped a.out. */ | |
603 | ||
604 | origfilename = savepv(argv[0]); | |
605 | do_undump = FALSE; | |
606 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 607 | init_ids(); |
a0d0e21e LW |
608 | init_postdump_symbols(argc,argv,env); |
609 | return 0; | |
610 | } | |
611 | ||
ff0cee69 | 612 | if (main_root) { |
613 | curpad = AvARRAY(comppad); | |
a0d0e21e | 614 | op_free(main_root); |
ff0cee69 | 615 | main_root = Nullop; |
616 | } | |
617 | main_start = Nullop; | |
618 | SvREFCNT_dec(main_cv); | |
619 | main_cv = Nullcv; | |
79072805 | 620 | |
f86702cc | 621 | time(&basetime); |
2ae324a7 | 622 | oldscope = scopestack_ix; |
f86702cc | 623 | |
22921e25 CS |
624 | JMPENV_PUSH(ret); |
625 | switch (ret) { | |
79072805 | 626 | case 1: |
f86702cc | 627 | STATUS_ALL_FAILURE; |
628 | /* FALL THROUGH */ | |
79072805 | 629 | case 2: |
f86702cc | 630 | /* my_exit() was called */ |
2ae324a7 | 631 | while (scopestack_ix > oldscope) |
632 | LEAVE; | |
84902520 | 633 | FREETMPS; |
8990e307 LW |
634 | curstash = defstash; |
635 | if (endav) | |
68dc0745 | 636 | call_list(oldscope, endav); |
54310121 | 637 | JMPENV_POP; |
f86702cc | 638 | return STATUS_NATIVE_EXPORT; |
79072805 | 639 | case 3: |
54310121 | 640 | JMPENV_POP; |
760ac839 | 641 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 642 | return 1; |
79072805 LW |
643 | } |
644 | ||
79072805 LW |
645 | sv_setpvn(linestr,"",0); |
646 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 647 | SAVEFREESV(sv); |
79072805 | 648 | init_main_stash(); |
54310121 | 649 | |
33b78306 | 650 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
651 | if (argv[0][0] != '-' || !argv[0][1]) |
652 | break; | |
13281fa4 LW |
653 | #ifdef DOSUID |
654 | if (*validarg) | |
655 | validarg = " PHOOEY "; | |
656 | else | |
657 | validarg = argv[0]; | |
658 | #endif | |
659 | s = argv[0]+1; | |
8d063cd8 | 660 | reswitch: |
13281fa4 | 661 | switch (*s) { |
27e2fb84 | 662 | case '0': |
2304df62 | 663 | case 'F': |
378cc40b | 664 | case 'a': |
33b78306 | 665 | case 'c': |
a687059c | 666 | case 'd': |
8d063cd8 | 667 | case 'D': |
4633a7c4 | 668 | case 'h': |
33b78306 | 669 | case 'i': |
fe14fcc3 | 670 | case 'l': |
1a30305b | 671 | case 'M': |
672 | case 'm': | |
33b78306 LW |
673 | case 'n': |
674 | case 'p': | |
79072805 | 675 | case 's': |
33b78306 LW |
676 | case 'u': |
677 | case 'U': | |
678 | case 'v': | |
679 | case 'w': | |
680 | if (s = moreswitches(s)) | |
681 | goto reswitch; | |
8d063cd8 | 682 | break; |
33b78306 | 683 | |
f86702cc | 684 | case 'T': |
685 | tainting = TRUE; | |
686 | s++; | |
687 | goto reswitch; | |
688 | ||
8d063cd8 | 689 | case 'e': |
a687059c | 690 | if (euid != uid || egid != gid) |
463ee0b2 | 691 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 692 | if (!e_fp) { |
a0d0e21e | 693 | e_tmpname = savepv(TMPPATH); |
a687059c | 694 | (void)mktemp(e_tmpname); |
83025b21 | 695 | if (!*e_tmpname) |
463ee0b2 | 696 | croak("Can't mktemp()"); |
760ac839 | 697 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 698 | if (!e_fp) |
463ee0b2 | 699 | croak("Cannot open temporary file"); |
8d063cd8 | 700 | } |
552a7a9b | 701 | if (*++s) |
702 | PerlIO_puts(e_fp,s); | |
703 | else if (argv[1]) { | |
760ac839 | 704 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
705 | argc--,argv++; |
706 | } | |
552a7a9b | 707 | else |
708 | croak("No code specified for -e"); | |
760ac839 | 709 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 LW |
710 | break; |
711 | case 'I': | |
bbce6d69 | 712 | forbid_setid("-I"); |
79072805 LW |
713 | sv_catpv(sv,"-"); |
714 | sv_catpv(sv,s); | |
715 | sv_catpv(sv," "); | |
a687059c | 716 | if (*++s) { |
774d564b | 717 | incpush(s, TRUE); |
378cc40b | 718 | } |
33b78306 | 719 | else if (argv[1]) { |
774d564b | 720 | incpush(argv[1], TRUE); |
79072805 | 721 | sv_catpv(sv,argv[1]); |
8d063cd8 | 722 | argc--,argv++; |
79072805 | 723 | sv_catpv(sv," "); |
8d063cd8 LW |
724 | } |
725 | break; | |
8d063cd8 | 726 | case 'P': |
bbce6d69 | 727 | forbid_setid("-P"); |
8d063cd8 | 728 | preprocess = TRUE; |
13281fa4 | 729 | s++; |
8d063cd8 | 730 | goto reswitch; |
378cc40b | 731 | case 'S': |
bbce6d69 | 732 | forbid_setid("-S"); |
378cc40b | 733 | dosearch = TRUE; |
13281fa4 | 734 | s++; |
378cc40b | 735 | goto reswitch; |
1a30305b | 736 | case 'V': |
737 | if (!preambleav) | |
738 | preambleav = newAV(); | |
739 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
740 | if (*++s != ':') { | |
6e72f9df | 741 | Sv = newSVpv("print myconfig();",0); |
742 | #ifdef VMS | |
743 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
744 | #else | |
745 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
746 | #endif | |
54310121 | 747 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 748 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 749 | # ifdef DEBUGGING |
46fc3d4c | 750 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 751 | # endif |
54310121 | 752 | # ifdef NO_EMBED |
46fc3d4c | 753 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 754 | # endif |
755 | # ifdef MULTIPLICITY | |
46fc3d4c | 756 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 757 | # endif |
46fc3d4c | 758 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 759 | #endif |
760 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 761 | if (LOCAL_PATCH_COUNT > 0) { |
762 | int i; | |
5cd24f17 | 763 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 764 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 765 | if (localpatches[i]) |
766 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 767 | } |
768 | } | |
769 | #endif | |
46fc3d4c | 770 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 771 | #ifdef __DATE__ |
772 | # ifdef __TIME__ | |
46fc3d4c | 773 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 774 | # else |
46fc3d4c | 775 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 776 | # endif |
6e72f9df | 777 | #endif |
54310121 | 778 | sv_catpv(Sv, "; \ |
779 | $\"=\"\\n \"; \ | |
780 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
781 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
782 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 783 | } |
784 | else { | |
785 | Sv = newSVpv("config_vars(qw(",0); | |
786 | sv_catpv(Sv, ++s); | |
787 | sv_catpv(Sv, "))"); | |
788 | s += strlen(s); | |
789 | } | |
790 | av_push(preambleav, Sv); | |
c07a80fd | 791 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 792 | goto reswitch; |
33b78306 LW |
793 | case 'x': |
794 | doextract = TRUE; | |
13281fa4 | 795 | s++; |
33b78306 | 796 | if (*s) |
a0d0e21e | 797 | cddir = savepv(s); |
33b78306 | 798 | break; |
8d063cd8 | 799 | case '-': |
90248788 TB |
800 | if (*++s) { /* catch use of gnu style long options */ |
801 | if (strEQ(s, "version")) { | |
802 | s = "v"; | |
803 | goto reswitch; | |
804 | } | |
805 | if (strEQ(s, "help")) { | |
806 | s = "h"; | |
807 | goto reswitch; | |
808 | } | |
809 | croak("Unrecognized switch: --%s (-h will show valid options)",s); | |
810 | } | |
8d063cd8 LW |
811 | argc--,argv++; |
812 | goto switch_end; | |
813 | case 0: | |
814 | break; | |
815 | default: | |
90248788 | 816 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
817 | } |
818 | } | |
819 | switch_end: | |
54310121 | 820 | |
821 | if (!tainting && (s = getenv("PERL5OPT"))) { | |
822 | for (;;) { | |
823 | while (isSPACE(*s)) | |
824 | s++; | |
825 | if (*s == '-') { | |
826 | s++; | |
827 | if (isSPACE(*s)) | |
828 | continue; | |
829 | } | |
830 | if (!*s) | |
831 | break; | |
832 | if (!strchr("DIMUdmw", *s)) | |
833 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
834 | s = moreswitches(s); | |
835 | } | |
836 | } | |
837 | ||
1a30305b | 838 | if (!scriptname) |
839 | scriptname = argv[0]; | |
8d063cd8 | 840 | if (e_fp) { |
68dc0745 | 841 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
842 | #ifndef MULTIPLICITY | |
843 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
844 | #endif | |
2304df62 | 845 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 846 | } |
ab821d7f | 847 | e_fp = Nullfp; |
8d063cd8 | 848 | argc++,argv--; |
45d8adaa | 849 | scriptname = e_tmpname; |
8d063cd8 | 850 | } |
79072805 LW |
851 | else if (scriptname == Nullch) { |
852 | #ifdef MSDOS | |
760ac839 | 853 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 854 | moreswitches("h"); |
fe14fcc3 | 855 | #endif |
79072805 LW |
856 | scriptname = "-"; |
857 | } | |
fe14fcc3 | 858 | |
79072805 | 859 | init_perllib(); |
8d063cd8 | 860 | |
79072805 | 861 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 862 | |
96436eeb | 863 | validate_suid(validarg, scriptname); |
378cc40b | 864 | |
79072805 LW |
865 | if (doextract) |
866 | find_beginning(); | |
867 | ||
4fdae800 | 868 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 869 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 870 | CvUNIQUE_on(compcv); |
748a9306 | 871 | |
6e72f9df | 872 | comppad = newAV(); |
79072805 LW |
873 | av_push(comppad, Nullsv); |
874 | curpad = AvARRAY(comppad); | |
6e72f9df | 875 | comppad_name = newAV(); |
8990e307 | 876 | comppad_name_fill = 0; |
e858de61 MB |
877 | min_intro_pending = 0; |
878 | padix = 0; | |
11343788 MB |
879 | #ifdef USE_THREADS |
880 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 881 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 882 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 883 | CvOWNER(compcv) = 0; |
12ca11f6 | 884 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 885 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 886 | #endif /* USE_THREADS */ |
79072805 | 887 | |
748a9306 LW |
888 | comppadlist = newAV(); |
889 | AvREAL_off(comppadlist); | |
8e07c86e AD |
890 | av_store(comppadlist, 0, (SV*)comppad_name); |
891 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
892 | CvPADLIST(compcv) = comppadlist; |
893 | ||
6e72f9df | 894 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
895 | if (xsinit) |
896 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
ad2e33dc | 897 | #if defined(VMS) || defined(WIN32) |
748a9306 LW |
898 | init_os_extras(); |
899 | #endif | |
93a17b20 | 900 | |
77a005ab MB |
901 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
902 | DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv);); | |
903 | #endif | |
904 | ||
93a17b20 | 905 | init_predump_symbols(); |
8990e307 LW |
906 | if (!do_undump) |
907 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 908 | |
79072805 LW |
909 | init_lexer(); |
910 | ||
911 | /* now parse the script */ | |
912 | ||
913 | error_count = 0; | |
914 | if (yyparse() || error_count) { | |
915 | if (minus_c) | |
463ee0b2 | 916 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 917 | else { |
463ee0b2 | 918 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 919 | origfilename); |
378cc40b | 920 | } |
79072805 LW |
921 | } |
922 | curcop->cop_line = 0; | |
923 | curstash = defstash; | |
924 | preprocess = FALSE; | |
ab821d7f | 925 | if (e_tmpname) { |
79072805 | 926 | (void)UNLINK(e_tmpname); |
ab821d7f | 927 | Safefree(e_tmpname); |
928 | e_tmpname = Nullch; | |
378cc40b | 929 | } |
a687059c | 930 | |
93a17b20 | 931 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 932 | SvREFCNT_dec(rs); |
933 | rs = SvREFCNT_inc(nrs); | |
934 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); | |
45d8adaa | 935 | |
79072805 LW |
936 | if (do_undump) |
937 | my_unexec(); | |
938 | ||
8990e307 LW |
939 | if (dowarn) |
940 | gv_check(defstash); | |
941 | ||
a0d0e21e LW |
942 | LEAVE; |
943 | FREETMPS; | |
c07a80fd | 944 | |
3562ef9b | 945 | #ifdef MYMALLOC |
c07a80fd | 946 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
947 | dump_mstats("after compilation:"); | |
948 | #endif | |
949 | ||
a0d0e21e LW |
950 | ENTER; |
951 | restartop = 0; | |
54310121 | 952 | JMPENV_POP; |
79072805 LW |
953 | return 0; |
954 | } | |
955 | ||
956 | int | |
957 | perl_run(sv_interp) | |
93a17b20 | 958 | PerlInterpreter *sv_interp; |
79072805 | 959 | { |
11343788 | 960 | dTHR; |
2ae324a7 | 961 | I32 oldscope; |
22921e25 CS |
962 | dJMPENV; |
963 | int ret; | |
2ae324a7 | 964 | |
79072805 LW |
965 | if (!(curinterp = sv_interp)) |
966 | return 255; | |
2ae324a7 | 967 | |
968 | oldscope = scopestack_ix; | |
969 | ||
22921e25 CS |
970 | JMPENV_PUSH(ret); |
971 | switch (ret) { | |
79072805 LW |
972 | case 1: |
973 | cxstack_ix = -1; /* start context stack again */ | |
974 | break; | |
975 | case 2: | |
f86702cc | 976 | /* my_exit() was called */ |
2ae324a7 | 977 | while (scopestack_ix > oldscope) |
978 | LEAVE; | |
84902520 | 979 | FREETMPS; |
79072805 | 980 | curstash = defstash; |
93a17b20 | 981 | if (endav) |
68dc0745 | 982 | call_list(oldscope, endav); |
3562ef9b | 983 | #ifdef MYMALLOC |
c07a80fd | 984 | if (getenv("PERL_DEBUG_MSTATS")) |
985 | dump_mstats("after execution: "); | |
986 | #endif | |
54310121 | 987 | JMPENV_POP; |
f86702cc | 988 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
989 | case 3: |
990 | if (!restartop) { | |
760ac839 | 991 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 992 | FREETMPS; |
54310121 | 993 | JMPENV_POP; |
8990e307 | 994 | return 1; |
83025b21 | 995 | } |
6e72f9df | 996 | if (curstack != mainstack) { |
79072805 | 997 | dSP; |
6e72f9df | 998 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
999 | } |
1000 | break; | |
8d063cd8 | 1001 | } |
79072805 | 1002 | |
760ac839 | 1003 | DEBUG_r(PerlIO_printf(PerlIO_stderr(), "%s $` $& $' support.\n", |
6e72f9df | 1004 | sawampersand ? "Enabling" : "Omitting")); |
1005 | ||
79072805 LW |
1006 | if (!restartop) { |
1007 | DEBUG_x(dump_all()); | |
760ac839 | 1008 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1009 | #ifdef USE_THREADS |
5dc0d613 MB |
1010 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1011 | (unsigned long) thr)); | |
11343788 | 1012 | #endif /* USE_THREADS */ |
79072805 LW |
1013 | |
1014 | if (minus_c) { | |
760ac839 | 1015 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1016 | my_exit(0); |
1017 | } | |
84902520 | 1018 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1019 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1020 | if (initav) |
1021 | call_list(oldscope, initav); | |
45d8adaa | 1022 | } |
79072805 LW |
1023 | |
1024 | /* do it */ | |
1025 | ||
1026 | if (restartop) { | |
1027 | op = restartop; | |
1028 | restartop = 0; | |
ab821d7f | 1029 | runops(); |
79072805 LW |
1030 | } |
1031 | else if (main_start) { | |
4fdae800 | 1032 | CvDEPTH(main_cv) = 1; |
79072805 | 1033 | op = main_start; |
ab821d7f | 1034 | runops(); |
79072805 | 1035 | } |
79072805 LW |
1036 | |
1037 | my_exit(0); | |
54310121 | 1038 | /* NOTREACHED */ |
a0d0e21e | 1039 | return 0; |
79072805 LW |
1040 | } |
1041 | ||
a0d0e21e LW |
1042 | SV* |
1043 | perl_get_sv(name, create) | |
1044 | char* name; | |
1045 | I32 create; | |
1046 | { | |
1047 | GV* gv = gv_fetchpv(name, create, SVt_PV); | |
1048 | if (gv) | |
1049 | return GvSV(gv); | |
1050 | return Nullsv; | |
1051 | } | |
1052 | ||
1053 | AV* | |
1054 | perl_get_av(name, create) | |
1055 | char* name; | |
1056 | I32 create; | |
1057 | { | |
1058 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1059 | if (create) | |
1060 | return GvAVn(gv); | |
1061 | if (gv) | |
1062 | return GvAV(gv); | |
1063 | return Nullav; | |
1064 | } | |
1065 | ||
1066 | HV* | |
1067 | perl_get_hv(name, create) | |
1068 | char* name; | |
1069 | I32 create; | |
1070 | { | |
1071 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1072 | if (create) | |
1073 | return GvHVn(gv); | |
1074 | if (gv) | |
1075 | return GvHV(gv); | |
1076 | return Nullhv; | |
1077 | } | |
1078 | ||
1079 | CV* | |
1080 | perl_get_cv(name, create) | |
1081 | char* name; | |
1082 | I32 create; | |
1083 | { | |
1084 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1085 | if (create && !GvCVu(gv)) |
774d564b | 1086 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1087 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1088 | Nullop, |
a0d0e21e LW |
1089 | Nullop); |
1090 | if (gv) | |
8ebc5c01 | 1091 | return GvCVu(gv); |
a0d0e21e LW |
1092 | return Nullcv; |
1093 | } | |
1094 | ||
79072805 LW |
1095 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1096 | ||
a0d0e21e LW |
1097 | I32 |
1098 | perl_call_argv(subname, flags, argv) | |
8990e307 | 1099 | char *subname; |
a0d0e21e LW |
1100 | I32 flags; /* See G_* flags in cop.h */ |
1101 | register char **argv; /* null terminated arg list */ | |
8990e307 | 1102 | { |
11343788 | 1103 | dTHR; |
a0d0e21e | 1104 | dSP; |
8990e307 | 1105 | |
a0d0e21e LW |
1106 | PUSHMARK(sp); |
1107 | if (argv) { | |
8990e307 | 1108 | while (*argv) { |
a0d0e21e | 1109 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1110 | argv++; |
1111 | } | |
a0d0e21e | 1112 | PUTBACK; |
8990e307 | 1113 | } |
a0d0e21e | 1114 | return perl_call_pv(subname, flags); |
8990e307 LW |
1115 | } |
1116 | ||
a0d0e21e LW |
1117 | I32 |
1118 | perl_call_pv(subname, flags) | |
1119 | char *subname; /* name of the subroutine */ | |
1120 | I32 flags; /* See G_* flags in cop.h */ | |
1121 | { | |
1122 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
1123 | } | |
1124 | ||
1125 | I32 | |
1126 | perl_call_method(methname, flags) | |
1127 | char *methname; /* name of the subroutine */ | |
1128 | I32 flags; /* See G_* flags in cop.h */ | |
1129 | { | |
11343788 | 1130 | dTHR; |
a0d0e21e LW |
1131 | dSP; |
1132 | OP myop; | |
1133 | if (!op) | |
1134 | op = &myop; | |
1135 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1136 | PUTBACK; | |
11343788 | 1137 | pp_method(ARGS); |
a0d0e21e LW |
1138 | return perl_call_sv(*stack_sp--, flags); |
1139 | } | |
1140 | ||
1141 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1142 | I32 | |
1143 | perl_call_sv(sv, flags) | |
1144 | SV* sv; | |
1145 | I32 flags; /* See G_* flags in cop.h */ | |
1146 | { | |
11343788 | 1147 | dTHR; |
a0d0e21e LW |
1148 | LOGOP myop; /* fake syntax tree node */ |
1149 | SV** sp = stack_sp; | |
aa689395 | 1150 | I32 oldmark; |
a0d0e21e | 1151 | I32 retval; |
a0d0e21e | 1152 | I32 oldscope; |
6e72f9df | 1153 | static CV *DBcv; |
54310121 | 1154 | bool oldcatch = CATCH_GET; |
1155 | dJMPENV; | |
22921e25 | 1156 | int ret; |
d6602a8c | 1157 | OP* oldop = op; |
1e422769 | 1158 | |
a0d0e21e LW |
1159 | if (flags & G_DISCARD) { |
1160 | ENTER; | |
1161 | SAVETMPS; | |
1162 | } | |
1163 | ||
aa689395 | 1164 | Zero(&myop, 1, LOGOP); |
54310121 | 1165 | myop.op_next = Nullop; |
f51d4af5 | 1166 | if (!(flags & G_NOARGS)) |
aa689395 | 1167 | myop.op_flags |= OPf_STACKED; |
54310121 | 1168 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1169 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1170 | OPf_WANT_SCALAR); | |
462e5cf6 | 1171 | SAVEOP(); |
a0d0e21e | 1172 | op = (OP*)&myop; |
aa689395 | 1173 | |
a0d0e21e LW |
1174 | EXTEND(stack_sp, 1); |
1175 | *++stack_sp = sv; | |
aa689395 | 1176 | oldmark = TOPMARK; |
a0d0e21e LW |
1177 | oldscope = scopestack_ix; |
1178 | ||
84902520 | 1179 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1180 | /* Handle first BEGIN of -d. */ |
1181 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1182 | /* Try harder, since this may have been a sighandler, thus | |
1183 | * curstash may be meaningless. */ | |
1184 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1185 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1186 | |
1187 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1188 | cLOGOP->op_other = op; |
1189 | markstack_ptr--; | |
4633a7c4 LW |
1190 | /* we're trying to emulate pp_entertry() here */ |
1191 | { | |
1192 | register CONTEXT *cx; | |
54310121 | 1193 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1194 | |
1195 | ENTER; | |
1196 | SAVETMPS; | |
1197 | ||
1198 | push_return(op->op_next); | |
1199 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1200 | PUSHEVAL(cx, 0, 0); | |
1201 | eval_root = op; /* Only needed so that goto works right. */ | |
1202 | ||
1203 | in_eval = 1; | |
1204 | if (flags & G_KEEPERR) | |
1205 | in_eval |= 4; | |
1206 | else | |
1207 | sv_setpv(GvSV(errgv),""); | |
1208 | } | |
a0d0e21e LW |
1209 | markstack_ptr++; |
1210 | ||
22921e25 CS |
1211 | JMPENV_PUSH(ret); |
1212 | switch (ret) { | |
a0d0e21e LW |
1213 | case 0: |
1214 | break; | |
1215 | case 1: | |
f86702cc | 1216 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1217 | /* FALL THROUGH */ |
1218 | case 2: | |
1219 | /* my_exit() was called */ | |
1220 | curstash = defstash; | |
1221 | FREETMPS; | |
54310121 | 1222 | JMPENV_POP; |
a0d0e21e LW |
1223 | if (statusvalue) |
1224 | croak("Callback called exit"); | |
f86702cc | 1225 | my_exit_jump(); |
a0d0e21e LW |
1226 | /* NOTREACHED */ |
1227 | case 3: | |
1228 | if (restartop) { | |
1229 | op = restartop; | |
1230 | restartop = 0; | |
54310121 | 1231 | break; |
a0d0e21e LW |
1232 | } |
1233 | stack_sp = stack_base + oldmark; | |
1234 | if (flags & G_ARRAY) | |
1235 | retval = 0; | |
1236 | else { | |
1237 | retval = 1; | |
1238 | *++stack_sp = &sv_undef; | |
1239 | } | |
1240 | goto cleanup; | |
1241 | } | |
1242 | } | |
1e422769 | 1243 | else |
54310121 | 1244 | CATCH_SET(TRUE); |
a0d0e21e LW |
1245 | |
1246 | if (op == (OP*)&myop) | |
11343788 | 1247 | op = pp_entersub(ARGS); |
a0d0e21e | 1248 | if (op) |
ab821d7f | 1249 | runops(); |
a0d0e21e | 1250 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 LW |
1251 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
1252 | sv_setpv(GvSV(errgv),""); | |
a0d0e21e LW |
1253 | |
1254 | cleanup: | |
1255 | if (flags & G_EVAL) { | |
1256 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1257 | SV **newsp; |
1258 | PMOP *newpm; | |
1259 | I32 gimme; | |
1260 | register CONTEXT *cx; | |
1261 | I32 optype; | |
1262 | ||
1263 | POPBLOCK(cx,newpm); | |
1264 | POPEVAL(cx); | |
1265 | pop_return(); | |
1266 | curpm = newpm; | |
1267 | LEAVE; | |
a0d0e21e | 1268 | } |
54310121 | 1269 | JMPENV_POP; |
a0d0e21e | 1270 | } |
1e422769 | 1271 | else |
54310121 | 1272 | CATCH_SET(oldcatch); |
1e422769 | 1273 | |
a0d0e21e LW |
1274 | if (flags & G_DISCARD) { |
1275 | stack_sp = stack_base + oldmark; | |
1276 | retval = 0; | |
1277 | FREETMPS; | |
1278 | LEAVE; | |
1279 | } | |
d6602a8c | 1280 | op = oldop; |
a0d0e21e LW |
1281 | return retval; |
1282 | } | |
1283 | ||
6e72f9df | 1284 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1285 | |
a0d0e21e | 1286 | I32 |
4633a7c4 | 1287 | perl_eval_sv(sv, flags) |
8990e307 | 1288 | SV* sv; |
4633a7c4 | 1289 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e | 1290 | { |
11343788 | 1291 | dTHR; |
a0d0e21e | 1292 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1293 | SV** sp = stack_sp; |
1294 | I32 oldmark = sp - stack_base; | |
1295 | I32 retval; | |
4633a7c4 | 1296 | I32 oldscope; |
54310121 | 1297 | dJMPENV; |
22921e25 | 1298 | int ret; |
84902520 TB |
1299 | OP* oldop = op; |
1300 | ||
4633a7c4 LW |
1301 | if (flags & G_DISCARD) { |
1302 | ENTER; | |
1303 | SAVETMPS; | |
1304 | } | |
1305 | ||
462e5cf6 | 1306 | SAVEOP(); |
79072805 | 1307 | op = (OP*)&myop; |
a0d0e21e | 1308 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1309 | EXTEND(stack_sp, 1); |
1310 | *++stack_sp = sv; | |
1311 | oldscope = scopestack_ix; | |
79072805 | 1312 | |
4633a7c4 LW |
1313 | if (!(flags & G_NOARGS)) |
1314 | myop.op_flags = OPf_STACKED; | |
79072805 | 1315 | myop.op_next = Nullop; |
6e72f9df | 1316 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1317 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1318 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1319 | OPf_WANT_SCALAR); | |
6e72f9df | 1320 | if (flags & G_KEEPERR) |
1321 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1322 | |
22921e25 CS |
1323 | JMPENV_PUSH(ret); |
1324 | switch (ret) { | |
4633a7c4 LW |
1325 | case 0: |
1326 | break; | |
1327 | case 1: | |
f86702cc | 1328 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1329 | /* FALL THROUGH */ |
1330 | case 2: | |
1331 | /* my_exit() was called */ | |
1332 | curstash = defstash; | |
1333 | FREETMPS; | |
54310121 | 1334 | JMPENV_POP; |
4633a7c4 LW |
1335 | if (statusvalue) |
1336 | croak("Callback called exit"); | |
f86702cc | 1337 | my_exit_jump(); |
4633a7c4 LW |
1338 | /* NOTREACHED */ |
1339 | case 3: | |
1340 | if (restartop) { | |
1341 | op = restartop; | |
1342 | restartop = 0; | |
54310121 | 1343 | break; |
4633a7c4 LW |
1344 | } |
1345 | stack_sp = stack_base + oldmark; | |
1346 | if (flags & G_ARRAY) | |
1347 | retval = 0; | |
1348 | else { | |
1349 | retval = 1; | |
1350 | *++stack_sp = &sv_undef; | |
1351 | } | |
1352 | goto cleanup; | |
1353 | } | |
1354 | ||
1355 | if (op == (OP*)&myop) | |
11343788 | 1356 | op = pp_entereval(ARGS); |
4633a7c4 | 1357 | if (op) |
ab821d7f | 1358 | runops(); |
4633a7c4 | 1359 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1360 | if (!(flags & G_KEEPERR)) |
4633a7c4 LW |
1361 | sv_setpv(GvSV(errgv),""); |
1362 | ||
1363 | cleanup: | |
54310121 | 1364 | JMPENV_POP; |
4633a7c4 LW |
1365 | if (flags & G_DISCARD) { |
1366 | stack_sp = stack_base + oldmark; | |
1367 | retval = 0; | |
1368 | FREETMPS; | |
1369 | LEAVE; | |
1370 | } | |
84902520 | 1371 | op = oldop; |
4633a7c4 LW |
1372 | return retval; |
1373 | } | |
1374 | ||
137443ea | 1375 | SV* |
1376 | perl_eval_pv(p, croak_on_error) | |
1377 | char* p; | |
1378 | I32 croak_on_error; | |
1379 | { | |
e858de61 | 1380 | dTHR; |
137443ea | 1381 | dSP; |
1382 | SV* sv = newSVpv(p, 0); | |
1383 | ||
1384 | PUSHMARK(sp); | |
1385 | perl_eval_sv(sv, G_SCALAR); | |
1386 | SvREFCNT_dec(sv); | |
1387 | ||
1388 | SPAGAIN; | |
1389 | sv = POPs; | |
1390 | PUTBACK; | |
1391 | ||
1392 | if (croak_on_error && SvTRUE(GvSV(errgv))) | |
1393 | croak(SvPVx(GvSV(errgv), na)); | |
1394 | ||
1395 | return sv; | |
1396 | } | |
1397 | ||
4633a7c4 LW |
1398 | /* Require a module. */ |
1399 | ||
1400 | void | |
1401 | perl_require_pv(pv) | |
1402 | char* pv; | |
1403 | { | |
1404 | SV* sv = sv_newmortal(); | |
1405 | sv_setpv(sv, "require '"); | |
1406 | sv_catpv(sv, pv); | |
1407 | sv_catpv(sv, "'"); | |
1408 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1409 | } |
1410 | ||
79072805 | 1411 | void |
79072805 LW |
1412 | magicname(sym,name,namlen) |
1413 | char *sym; | |
1414 | char *name; | |
1415 | I32 namlen; | |
1416 | { | |
1417 | register GV *gv; | |
1418 | ||
85e6fe83 | 1419 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1420 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1421 | } | |
1422 | ||
ab821d7f | 1423 | static void |
1a30305b | 1424 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 LW |
1425 | char *name; |
1426 | { | |
ab821d7f | 1427 | /* This message really ought to be max 23 lines. |
1428 | * Removed -h because the user already knows that opton. Others? */ | |
1429 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); | |
4633a7c4 | 1430 | printf("\n -0[octal] specify record separator (\\0, if no argument)"); |
ab821d7f | 1431 | printf("\n -a autosplit mode with -n or -p (splits $_ into @F)"); |
4633a7c4 | 1432 | printf("\n -c check syntax only (runs BEGIN and END blocks)"); |
1a30305b | 1433 | printf("\n -d[:debugger] run scripts under debugger"); |
4633a7c4 | 1434 | printf("\n -D[number/list] set debugging flags (argument is a bit mask or flags)"); |
ab821d7f | 1435 | printf("\n -e 'command' one line of script. Several -e's allowed. Omit [programfile]."); |
1436 | printf("\n -F/pattern/ split() pattern for autosplit (-a). The //'s are optional."); | |
4633a7c4 | 1437 | printf("\n -i[extension] edit <> files in place (make backup if extension supplied)"); |
50492d44 RW |
1438 | printf("\n -Idirectory specify @INC/#include directory (may be used more than once)"); |
1439 | printf("\n -l[octal] enable line ending processing, specifies line terminator"); | |
ab821d7f | 1440 | printf("\n -[mM][-]module.. executes `use/no module...' before executing your script."); |
50492d44 | 1441 | printf("\n -n assume 'while (<>) { ... }' loop around your script"); |
4633a7c4 LW |
1442 | printf("\n -p assume loop like -n but print line also like sed"); |
1443 | printf("\n -P run script through C preprocessor before compilation"); | |
4633a7c4 LW |
1444 | printf("\n -s enable some switch parsing for switches after script name"); |
1445 | printf("\n -S look for the script using PATH environment variable"); | |
1446 | printf("\n -T turn on tainting checks"); | |
1447 | printf("\n -u dump core after parsing script"); | |
1448 | printf("\n -U allow unsafe operations"); | |
1449 | printf("\n -v print version number and patchlevel of perl"); | |
1a30305b | 1450 | printf("\n -V[:variable] print perl configuration information"); |
90248788 | 1451 | printf("\n -w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended."); |
4633a7c4 LW |
1452 | printf("\n -x[directory] strip off text before #!perl line and perhaps cd to directory\n"); |
1453 | } | |
1454 | ||
79072805 LW |
1455 | /* This routine handles any switches that can be given during run */ |
1456 | ||
1457 | char * | |
1458 | moreswitches(s) | |
1459 | char *s; | |
1460 | { | |
1461 | I32 numlen; | |
c07a80fd | 1462 | U32 rschar; |
79072805 LW |
1463 | |
1464 | switch (*s) { | |
1465 | case '0': | |
c07a80fd | 1466 | rschar = scan_oct(s, 4, &numlen); |
1467 | SvREFCNT_dec(nrs); | |
1468 | if (rschar & ~((U8)~0)) | |
1469 | nrs = &sv_undef; | |
1470 | else if (!rschar && numlen >= 2) | |
1471 | nrs = newSVpv("", 0); | |
1472 | else { | |
1473 | char ch = rschar; | |
1474 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1475 | } |
1476 | return s + numlen; | |
2304df62 AD |
1477 | case 'F': |
1478 | minus_F = TRUE; | |
a0d0e21e | 1479 | splitstr = savepv(s + 1); |
2304df62 AD |
1480 | s += strlen(s); |
1481 | return s; | |
79072805 LW |
1482 | case 'a': |
1483 | minus_a = TRUE; | |
1484 | s++; | |
1485 | return s; | |
1486 | case 'c': | |
1487 | minus_c = TRUE; | |
1488 | s++; | |
1489 | return s; | |
1490 | case 'd': | |
bbce6d69 | 1491 | forbid_setid("-d"); |
4633a7c4 | 1492 | s++; |
c07a80fd | 1493 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1494 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1495 | s += strlen(s); |
4633a7c4 | 1496 | } |
a0d0e21e | 1497 | if (!perldb) { |
84902520 | 1498 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1499 | init_debugger(); |
1500 | } | |
79072805 LW |
1501 | return s; |
1502 | case 'D': | |
1503 | #ifdef DEBUGGING | |
bbce6d69 | 1504 | forbid_setid("-D"); |
79072805 | 1505 | if (isALPHA(s[1])) { |
8990e307 | 1506 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1507 | char *d; |
1508 | ||
93a17b20 | 1509 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1510 | debug |= 1 << (d - debopts); |
1511 | } | |
1512 | else { | |
1513 | debug = atoi(s+1); | |
1514 | for (s++; isDIGIT(*s); s++) ; | |
1515 | } | |
8990e307 | 1516 | debug |= 0x80000000; |
79072805 LW |
1517 | #else |
1518 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1519 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1520 | #endif |
1521 | /*SUPPRESS 530*/ | |
1522 | return s; | |
4633a7c4 LW |
1523 | case 'h': |
1524 | usage(origargv[0]); | |
1525 | exit(0); | |
79072805 LW |
1526 | case 'i': |
1527 | if (inplace) | |
1528 | Safefree(inplace); | |
a0d0e21e | 1529 | inplace = savepv(s+1); |
79072805 LW |
1530 | /*SUPPRESS 530*/ |
1531 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
1532 | *s = '\0'; | |
1533 | break; | |
1534 | case 'I': | |
bbce6d69 | 1535 | forbid_setid("-I"); |
79072805 | 1536 | if (*++s) { |
774d564b | 1537 | char *e, *p; |
748a9306 | 1538 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1539 | p = savepvn(s, e-s); |
1540 | incpush(p, TRUE); | |
1541 | Safefree(p); | |
748a9306 LW |
1542 | if (*e) |
1543 | return e; | |
79072805 LW |
1544 | } |
1545 | else | |
463ee0b2 | 1546 | croak("No space allowed after -I"); |
79072805 LW |
1547 | break; |
1548 | case 'l': | |
1549 | minus_l = TRUE; | |
1550 | s++; | |
a0d0e21e LW |
1551 | if (ors) |
1552 | Safefree(ors); | |
79072805 | 1553 | if (isDIGIT(*s)) { |
a0d0e21e | 1554 | ors = savepv("\n"); |
79072805 LW |
1555 | orslen = 1; |
1556 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1557 | s += numlen; | |
1558 | } | |
1559 | else { | |
c07a80fd | 1560 | if (RsPARA(nrs)) { |
6e72f9df | 1561 | ors = "\n\n"; |
c07a80fd | 1562 | orslen = 2; |
1563 | } | |
1564 | else | |
1565 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1566 | ors = savepvn(ors, orslen); |
79072805 LW |
1567 | } |
1568 | return s; | |
1a30305b | 1569 | case 'M': |
bbce6d69 | 1570 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1571 | /* FALL THROUGH */ |
1572 | case 'm': | |
bbce6d69 | 1573 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1574 | if (*++s) { |
a5f75d66 | 1575 | char *start; |
11343788 | 1576 | SV *sv; |
a5f75d66 AD |
1577 | char *use = "use "; |
1578 | /* -M-foo == 'no foo' */ | |
1579 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1580 | sv = newSVpv(use,0); |
a5f75d66 | 1581 | start = s; |
1a30305b | 1582 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1583 | while(isALNUM(*s) || *s==':') ++s; |
1584 | if (*s != '=') { | |
11343788 | 1585 | sv_catpv(sv, start); |
c07a80fd | 1586 | if (*(start-1) == 'm') { |
1587 | if (*s != '\0') | |
1588 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1589 | sv_catpv( sv, " ()"); |
c07a80fd | 1590 | } |
1591 | } else { | |
11343788 MB |
1592 | sv_catpvn(sv, start, s-start); |
1593 | sv_catpv(sv, " split(/,/,q{"); | |
1594 | sv_catpv(sv, ++s); | |
1595 | sv_catpv(sv, "})"); | |
c07a80fd | 1596 | } |
1a30305b | 1597 | s += strlen(s); |
c07a80fd | 1598 | if (preambleav == NULL) |
1599 | preambleav = newAV(); | |
11343788 | 1600 | av_push(preambleav, sv); |
1a30305b | 1601 | } |
1602 | else | |
1603 | croak("No space allowed after -%c", *(s-1)); | |
1604 | return s; | |
79072805 LW |
1605 | case 'n': |
1606 | minus_n = TRUE; | |
1607 | s++; | |
1608 | return s; | |
1609 | case 'p': | |
1610 | minus_p = TRUE; | |
1611 | s++; | |
1612 | return s; | |
1613 | case 's': | |
bbce6d69 | 1614 | forbid_setid("-s"); |
79072805 LW |
1615 | doswitches = TRUE; |
1616 | s++; | |
1617 | return s; | |
463ee0b2 | 1618 | case 'T': |
f86702cc | 1619 | if (!tainting) |
9607fc9c | 1620 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1621 | s++; |
1622 | return s; | |
79072805 LW |
1623 | case 'u': |
1624 | do_undump = TRUE; | |
1625 | s++; | |
1626 | return s; | |
1627 | case 'U': | |
1628 | unsafe = TRUE; | |
1629 | s++; | |
1630 | return s; | |
1631 | case 'v': | |
a5f75d66 AD |
1632 | #if defined(SUBVERSION) && SUBVERSION > 0 |
1633 | printf("\nThis is perl, version 5.%03d_%02d", PATCHLEVEL, SUBVERSION); | |
1634 | #else | |
1635 | printf("\nThis is perl, version %s",patchlevel); | |
1636 | #endif | |
1a30305b | 1637 | |
44a8e56a | 1638 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1639 | #ifdef MSDOS |
55497cff | 1640 | printf("\n\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
1641 | #endif | |
1642 | #ifdef DJGPP | |
1643 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1644 | #endif |
79072805 | 1645 | #ifdef OS2 |
5dd60ef7 | 1646 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1647 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1648 | #endif |
79072805 | 1649 | #ifdef atarist |
760ac839 | 1650 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1651 | #endif |
760ac839 | 1652 | printf("\n\ |
79072805 | 1653 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1654 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1655 | exit(0); |
1656 | case 'w': | |
1657 | dowarn = TRUE; | |
1658 | s++; | |
1659 | return s; | |
a0d0e21e | 1660 | case '*': |
79072805 LW |
1661 | case ' ': |
1662 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1663 | return s+2; | |
1664 | break; | |
a0d0e21e | 1665 | case '-': |
79072805 LW |
1666 | case 0: |
1667 | case '\n': | |
1668 | case '\t': | |
1669 | break; | |
aa689395 | 1670 | #ifdef ALTERNATE_SHEBANG |
1671 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1672 | break; | |
1673 | #endif | |
a0d0e21e LW |
1674 | case 'P': |
1675 | if (preprocess) | |
1676 | return s+1; | |
1677 | /* FALL THROUGH */ | |
79072805 | 1678 | default: |
a0d0e21e | 1679 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1680 | } |
1681 | return Nullch; | |
1682 | } | |
1683 | ||
1684 | /* compliments of Tom Christiansen */ | |
1685 | ||
1686 | /* unexec() can be found in the Gnu emacs distribution */ | |
1687 | ||
1688 | void | |
1689 | my_unexec() | |
1690 | { | |
1691 | #ifdef UNEXEC | |
46fc3d4c | 1692 | SV* prog; |
1693 | SV* file; | |
79072805 LW |
1694 | int status; |
1695 | extern int etext; | |
1696 | ||
46fc3d4c | 1697 | prog = newSVpv(BIN_EXP); |
1698 | sv_catpv(prog, "/perl"); | |
1699 | file = newSVpv(origfilename); | |
1700 | sv_catpv(file, ".perldump"); | |
79072805 | 1701 | |
46fc3d4c | 1702 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1703 | if (status) |
46fc3d4c | 1704 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1705 | SvPVX(prog), SvPVX(file)); | |
a0d0e21e | 1706 | exit(status); |
79072805 | 1707 | #else |
a5f75d66 AD |
1708 | # ifdef VMS |
1709 | # include <lib$routines.h> | |
1710 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1711 | # else |
79072805 | 1712 | ABORT(); /* for use with undump */ |
aa689395 | 1713 | # endif |
a5f75d66 | 1714 | #endif |
79072805 LW |
1715 | } |
1716 | ||
1717 | static void | |
1718 | init_main_stash() | |
1719 | { | |
11343788 | 1720 | dTHR; |
463ee0b2 | 1721 | GV *gv; |
6e72f9df | 1722 | |
1723 | /* Note that strtab is a rather special HV. Assumptions are made | |
1724 | about not iterating on it, and not adding tie magic to it. | |
1725 | It is properly deallocated in perl_destruct() */ | |
1726 | strtab = newHV(); | |
1727 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1728 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1729 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1730 | ||
463ee0b2 | 1731 | curstash = defstash = newHV(); |
79072805 | 1732 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1733 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1734 | SvREFCNT_dec(GvHV(gv)); | |
1735 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1736 | SvREADONLY_on(gv); |
a0d0e21e | 1737 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1738 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1739 | GvMULTI_on(incgv); |
a0d0e21e | 1740 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
4633a7c4 | 1741 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
a5f75d66 | 1742 | GvMULTI_on(errgv); |
84902520 TB |
1743 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
1744 | sv_grow(GvSV(errgv), 240); /* Preallocate - for immediate signals. */ | |
552a7a9b | 1745 | sv_setpvn(GvSV(errgv), "", 0); |
8990e307 LW |
1746 | curstash = defstash; |
1747 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1748 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1749 | /* We must init $/ before switches are processed. */ |
1750 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1751 | } |
1752 | ||
a0d0e21e LW |
1753 | #ifdef CAN_PROTOTYPE |
1754 | static void | |
1755 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1756 | #else | |
79072805 LW |
1757 | static void |
1758 | open_script(scriptname,dosearch,sv) | |
1759 | char *scriptname; | |
1760 | bool dosearch; | |
1761 | SV *sv; | |
a0d0e21e | 1762 | #endif |
79072805 | 1763 | { |
0f15f207 | 1764 | dTHR; |
79072805 LW |
1765 | char *xfound = Nullch; |
1766 | char *xfailed = Nullch; | |
1767 | register char *s; | |
1768 | I32 len; | |
a38d6535 LW |
1769 | int retval; |
1770 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1771 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1772 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1773 | #endif |
d8c2d278 IZ |
1774 | #ifdef OS2 |
1775 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1776 | # define MAX_EXT_LEN 4 | |
1777 | #endif | |
ab821d7f | 1778 | #ifdef VMS |
1779 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1780 | # define MAX_EXT_LEN 4 |
ab821d7f | 1781 | #endif |
a38d6535 LW |
1782 | /* additional extensions to try in each dir if scriptname not found */ |
1783 | #ifdef SEARCH_EXTS | |
1784 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1785 | int extidx = 0, i = 0; |
1786 | char *curext = Nullch; | |
fc36a67e | 1787 | #else |
1788 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1789 | #endif |
79072805 | 1790 | |
2a92aaa0 GS |
1791 | /* |
1792 | * If dosearch is true and if scriptname does not contain path | |
1793 | * delimiters, search the PATH for scriptname. | |
1794 | * | |
1795 | * If SEARCH_EXTS is also defined, will look for each | |
1796 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1797 | * while searching the PATH. | |
1798 | * | |
1799 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1800 | * proceeds as follows: | |
1801 | * If DOSISH: | |
1802 | * + look for ./scriptname{,.foo,.bar} | |
1803 | * + search the PATH for scriptname{,.foo,.bar} | |
1804 | * | |
1805 | * If !DOSISH: | |
1806 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1807 | * this will not look in '.' if it's not in the PATH) | |
1808 | */ | |
1809 | ||
c07a80fd | 1810 | #ifdef VMS |
6e72f9df | 1811 | if (dosearch) { |
1812 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1813 | bool seen_dot = 1; |
6e72f9df | 1814 | |
1815 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1816 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1817 | * already have, so we can check for default file types. */ | |
fc36a67e | 1818 | while (deftypes || |
1819 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1820 | { | |
1821 | if (deftypes) { | |
1822 | deftypes = 0; | |
1823 | *tokenbuf = '\0'; | |
1824 | } | |
1825 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1826 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1827 | continue; /* don't search dir with too-long name */ | |
1828 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1829 | #else /* !VMS */ |
2a92aaa0 | 1830 | |
fc36a67e | 1831 | #ifdef DOSISH |
2a92aaa0 | 1832 | if (strEQ(scriptname, "-")) |
84902520 | 1833 | dosearch = 0; |
2a92aaa0 GS |
1834 | if (dosearch) { /* Look in '.' first. */ |
1835 | char *cur = scriptname; | |
1836 | #ifdef SEARCH_EXTS | |
1837 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1838 | while (ext[i]) | |
1839 | if (strEQ(ext[i++],curext)) { | |
1840 | extidx = -1; /* already has an ext */ | |
1841 | break; | |
1842 | } | |
1843 | do { | |
79072805 | 1844 | #endif |
2a92aaa0 GS |
1845 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1846 | "Looking for %s\n",cur)); | |
1847 | if (Stat(cur,&statbuf) >= 0) { | |
1848 | dosearch = 0; | |
1849 | scriptname = cur; | |
84902520 | 1850 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1851 | break; |
84902520 | 1852 | #endif |
2a92aaa0 GS |
1853 | } |
1854 | #ifdef SEARCH_EXTS | |
1855 | if (cur == scriptname) { | |
1856 | len = strlen(scriptname); | |
1857 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1858 | break; | |
1859 | cur = strcpy(tokenbuf, scriptname); | |
1860 | } | |
1861 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1862 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1863 | #endif | |
1864 | } | |
1865 | #endif | |
84902520 | 1866 | |
e92c4225 WJ |
1867 | if (dosearch && !strchr(scriptname, '/') |
1868 | #ifdef DOSISH | |
1869 | && !strchr(scriptname, '\\') | |
1870 | #endif | |
1871 | && (s = getenv("PATH"))) { | |
2a92aaa0 | 1872 | bool seen_dot = 0; |
84902520 | 1873 | |
79072805 | 1874 | bufend = s + strlen(s); |
fc36a67e | 1875 | while (s < bufend) { |
2a92aaa0 GS |
1876 | #if defined(atarist) || defined(DOSISH) |
1877 | for (len = 0; *s | |
1878 | # ifdef atarist | |
1879 | && *s != ',' | |
1880 | # endif | |
1881 | && *s != ';'; len++, s++) { | |
fc36a67e | 1882 | if (len < sizeof tokenbuf) |
1883 | tokenbuf[len] = *s; | |
1884 | } | |
1885 | if (len < sizeof tokenbuf) | |
1886 | tokenbuf[len] = '\0'; | |
84902520 TB |
1887 | #else /* ! (atarist || DOSISH) */ |
1888 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1889 | ':', | |
1890 | &len); | |
1891 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1892 | if (s < bufend) |
79072805 | 1893 | s++; |
fc36a67e | 1894 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1895 | continue; /* don't search dir with too-long name */ | |
1896 | if (len | |
fc36a67e | 1897 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1898 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1899 | && tokenbuf[len - 1] != '\\' |
79072805 | 1900 | #endif |
fc36a67e | 1901 | ) |
1902 | tokenbuf[len++] = '/'; | |
84902520 | 1903 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1904 | seen_dot = 1; |
fc36a67e | 1905 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1906 | #endif /* !VMS */ |
a38d6535 LW |
1907 | |
1908 | #ifdef SEARCH_EXTS | |
1909 | len = strlen(tokenbuf); | |
1910 | if (extidx > 0) /* reset after previous loop */ | |
1911 | extidx = 0; | |
1912 | do { | |
1913 | #endif | |
760ac839 | 1914 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1915 | retval = Stat(tokenbuf,&statbuf); |
1916 | #ifdef SEARCH_EXTS | |
1917 | } while ( retval < 0 /* not there */ | |
1918 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1919 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1920 | ); | |
1921 | #endif | |
1922 | if (retval < 0) | |
79072805 LW |
1923 | continue; |
1924 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1925 | && cando(S_IRUSR,TRUE,&statbuf) |
1926 | #ifndef DOSISH | |
1927 | && cando(S_IXUSR,TRUE,&statbuf) | |
1928 | #endif | |
1929 | ) | |
1930 | { | |
79072805 LW |
1931 | xfound = tokenbuf; /* bingo! */ |
1932 | break; | |
1933 | } | |
1934 | if (!xfailed) | |
a0d0e21e | 1935 | xfailed = savepv(tokenbuf); |
79072805 | 1936 | } |
2a92aaa0 GS |
1937 | #ifndef DOSISH |
1938 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1939 | #endif |
1940 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1941 | if (!xfound) |
84902520 | 1942 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1943 | (xfailed ? "execute" : "find"), |
1944 | (xfailed ? xfailed : scriptname), | |
1945 | (xfailed ? "" : " on PATH"), | |
1946 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1947 | if (xfailed) |
1948 | Safefree(xfailed); | |
1949 | scriptname = xfound; | |
1950 | } | |
1951 | ||
96436eeb | 1952 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1953 | char *s = scriptname + 8; | |
1954 | fdscript = atoi(s); | |
1955 | while (isDIGIT(*s)) | |
1956 | s++; | |
1957 | if (*s) | |
1958 | scriptname = s + 1; | |
1959 | } | |
1960 | else | |
1961 | fdscript = -1; | |
ab821d7f | 1962 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1963 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1964 | if (strEQ(origfilename,"-")) | |
1965 | scriptname = ""; | |
96436eeb | 1966 | if (fdscript >= 0) { |
760ac839 | 1967 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 1968 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1969 | if (rsfp) |
1970 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1971 | #endif |
1972 | } | |
1973 | else if (preprocess) { | |
46fc3d4c | 1974 | char *cpp_cfg = CPPSTDIN; |
1975 | SV *cpp = NEWSV(0,0); | |
1976 | SV *cmd = NEWSV(0,0); | |
1977 | ||
1978 | if (strEQ(cpp_cfg, "cppstdin")) | |
1979 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1980 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1981 | |
79072805 | 1982 | sv_catpv(sv,"-I"); |
fed7345c | 1983 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1984 | |
79072805 | 1985 | #ifdef MSDOS |
46fc3d4c | 1986 | sv_setpvf(cmd, "\ |
79072805 LW |
1987 | sed %s -e \"/^[^#]/b\" \ |
1988 | -e \"/^#[ ]*include[ ]/b\" \ | |
1989 | -e \"/^#[ ]*define[ ]/b\" \ | |
1990 | -e \"/^#[ ]*if[ ]/b\" \ | |
1991 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1992 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1993 | -e \"/^#[ ]*else/b\" \ | |
1994 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1995 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1996 | -e \"/^#[ ]*endif/b\" \ | |
1997 | -e \"s/^#.*//\" \ | |
fc36a67e | 1998 | %s | %_ -C %_ %s", |
79072805 LW |
1999 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2000 | #else | |
46fc3d4c | 2001 | sv_setpvf(cmd, "\ |
79072805 LW |
2002 | %s %s -e '/^[^#]/b' \ |
2003 | -e '/^#[ ]*include[ ]/b' \ | |
2004 | -e '/^#[ ]*define[ ]/b' \ | |
2005 | -e '/^#[ ]*if[ ]/b' \ | |
2006 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2007 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2008 | -e '/^#[ ]*else/b' \ | |
2009 | -e '/^#[ ]*elif[ ]/b' \ | |
2010 | -e '/^#[ ]*undef[ ]/b' \ | |
2011 | -e '/^#[ ]*endif/b' \ | |
2012 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2013 | %s | %_ -C %_ %s", |
79072805 LW |
2014 | #ifdef LOC_SED |
2015 | LOC_SED, | |
2016 | #else | |
2017 | "sed", | |
2018 | #endif | |
2019 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2020 | #endif | |
46fc3d4c | 2021 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2022 | doextract = FALSE; |
2023 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2024 | if (euid != uid && !euid) { /* if running suidperl */ | |
2025 | #ifdef HAS_SETEUID | |
2026 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2027 | #else | |
2028 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2029 | (void)setreuid((Uid_t)-1, uid); |
2030 | #else | |
2031 | #ifdef HAS_SETRESUID | |
2032 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2033 | #else |
2034 | setuid(uid); | |
2035 | #endif | |
2036 | #endif | |
85e6fe83 | 2037 | #endif |
79072805 | 2038 | if (geteuid() != uid) |
463ee0b2 | 2039 | croak("Can't do seteuid!\n"); |
79072805 LW |
2040 | } |
2041 | #endif /* IAMSUID */ | |
46fc3d4c | 2042 | rsfp = my_popen(SvPVX(cmd), "r"); |
2043 | SvREFCNT_dec(cmd); | |
2044 | SvREFCNT_dec(cpp); | |
79072805 LW |
2045 | } |
2046 | else if (!*scriptname) { | |
bbce6d69 | 2047 | forbid_setid("program input from stdin"); |
760ac839 | 2048 | rsfp = PerlIO_stdin(); |
79072805 | 2049 | } |
96436eeb | 2050 | else { |
760ac839 | 2051 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 2052 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2053 | if (rsfp) |
2054 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2055 | #endif |
2056 | } | |
5dd60ef7 | 2057 | if (e_tmpname) { |
2058 | e_fp = rsfp; | |
2059 | } | |
7aa04957 | 2060 | if (!rsfp) { |
13281fa4 | 2061 | #ifdef DOSUID |
a687059c | 2062 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2063 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2064 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2065 | /* try again */ |
2066 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
463ee0b2 | 2067 | croak("Can't do setuid\n"); |
13281fa4 LW |
2068 | } |
2069 | #endif | |
2070 | #endif | |
463ee0b2 | 2071 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2072 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2073 | } |
79072805 | 2074 | } |
8d063cd8 | 2075 | |
79072805 | 2076 | static void |
96436eeb | 2077 | validate_suid(validarg, scriptname) |
79072805 | 2078 | char *validarg; |
96436eeb | 2079 | char *scriptname; |
79072805 | 2080 | { |
96436eeb | 2081 | int which; |
2082 | ||
13281fa4 LW |
2083 | /* do we need to emulate setuid on scripts? */ |
2084 | ||
2085 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2086 | * in the kernel because of a security problem. Merely defining DOSUID | |
2087 | * in perl will not fix that problem, but if you have disabled setuid | |
2088 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2089 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2090 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2091 | * discovers that it has opened a setuid script, it calls suidperl with | |
2092 | * the same argv that it had. If suidperl finds that the script it has | |
2093 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2094 | * uid. We don't just make perl setuid root because that loses the | |
2095 | * effective uid we had before invoking perl, if it was different from the | |
2096 | * uid. | |
13281fa4 LW |
2097 | * |
2098 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2099 | * be defined in suidperl only. suidperl must be setuid root. The | |
2100 | * Configure script will set this up for you if you want it. | |
2101 | */ | |
a687059c | 2102 | |
13281fa4 | 2103 | #ifdef DOSUID |
6e72f9df | 2104 | char *s, *s2; |
a0d0e21e | 2105 | |
760ac839 | 2106 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2107 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2108 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2109 | I32 len; |
13281fa4 | 2110 | |
a687059c | 2111 | #ifdef IAMSUID |
fe14fcc3 | 2112 | #ifndef HAS_SETREUID |
a687059c LW |
2113 | /* On this access check to make sure the directories are readable, |
2114 | * there is actually a small window that the user could use to make | |
2115 | * filename point to an accessible directory. So there is a faint | |
2116 | * chance that someone could execute a setuid script down in a | |
2117 | * non-accessible directory. I don't know what to do about that. | |
2118 | * But I don't think it's too important. The manual lies when | |
2119 | * it says access() is useful in setuid programs. | |
2120 | */ | |
463ee0b2 LW |
2121 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
2122 | croak("Permission denied"); | |
a687059c LW |
2123 | #else |
2124 | /* If we can swap euid and uid, then we can determine access rights | |
2125 | * with a simple stat of the file, and then compare device and | |
2126 | * inode to make sure we did stat() on the same file we opened. | |
2127 | * Then we just have to make sure he or she can execute it. | |
2128 | */ | |
2129 | { | |
2130 | struct stat tmpstatbuf; | |
2131 | ||
85e6fe83 LW |
2132 | if ( |
2133 | #ifdef HAS_SETREUID | |
2134 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2135 | #else |
2136 | # if HAS_SETRESUID | |
85e6fe83 | 2137 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2138 | # endif |
85e6fe83 LW |
2139 | #endif |
2140 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2141 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2142 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2143 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2144 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2145 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2146 | (void)PerlIO_close(rsfp); |
79072805 | 2147 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2148 | PerlIO_printf(rsfp, |
ff0cee69 | 2149 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2150 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2151 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2152 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2153 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2154 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 2155 | (void)my_pclose(rsfp); |
a687059c | 2156 | } |
463ee0b2 | 2157 | croak("Permission denied\n"); |
a687059c | 2158 | } |
85e6fe83 LW |
2159 | if ( |
2160 | #ifdef HAS_SETREUID | |
2161 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2162 | #else |
2163 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2164 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2165 | # endif |
85e6fe83 LW |
2166 | #endif |
2167 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2168 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2169 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2170 | croak("Permission denied\n"); |
a687059c | 2171 | } |
fe14fcc3 | 2172 | #endif /* HAS_SETREUID */ |
a687059c LW |
2173 | #endif /* IAMSUID */ |
2174 | ||
27e2fb84 | 2175 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2176 | croak("Permission denied"); |
27e2fb84 | 2177 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2178 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2179 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2180 | curcop->cop_line++; |
760ac839 LW |
2181 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2182 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2183 | croak("No #! line"); |
760ac839 | 2184 | s = SvPV(linestr,na)+2; |
663a0e37 | 2185 | if (*s == ' ') s++; |
45d8adaa | 2186 | while (!isSPACE(*s)) s++; |
760ac839 | 2187 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2188 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2189 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2190 | croak("Not a perl script"); |
a687059c | 2191 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2192 | /* |
2193 | * #! arg must be what we saw above. They can invoke it by | |
2194 | * mentioning suidperl explicitly, but they may not add any strange | |
2195 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2196 | */ | |
2197 | len = strlen(validarg); | |
2198 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2199 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2200 | croak("Args must match #! line"); |
a687059c LW |
2201 | |
2202 | #ifndef IAMSUID | |
2203 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2204 | euid == statbuf.st_uid) | |
2205 | if (!do_undump) | |
463ee0b2 | 2206 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2207 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2208 | #endif /* IAMSUID */ | |
13281fa4 LW |
2209 | |
2210 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2211 | (void)PerlIO_close(rsfp); |
13281fa4 | 2212 | #ifndef IAMSUID |
46fc3d4c | 2213 | /* try again */ |
2214 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
13281fa4 | 2215 | #endif |
463ee0b2 | 2216 | croak("Can't do setuid\n"); |
13281fa4 LW |
2217 | } |
2218 | ||
83025b21 | 2219 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2220 | #ifdef HAS_SETEGID |
a687059c LW |
2221 | (void)setegid(statbuf.st_gid); |
2222 | #else | |
fe14fcc3 | 2223 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2224 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2225 | #else | |
2226 | #ifdef HAS_SETRESGID | |
2227 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2228 | #else |
2229 | setgid(statbuf.st_gid); | |
2230 | #endif | |
2231 | #endif | |
85e6fe83 | 2232 | #endif |
83025b21 | 2233 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2234 | croak("Can't do setegid!\n"); |
83025b21 | 2235 | } |
a687059c LW |
2236 | if (statbuf.st_mode & S_ISUID) { |
2237 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2238 | #ifdef HAS_SETEUID |
a687059c LW |
2239 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2240 | #else | |
fe14fcc3 | 2241 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2242 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2243 | #else | |
2244 | #ifdef HAS_SETRESUID | |
2245 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2246 | #else |
2247 | setuid(statbuf.st_uid); | |
2248 | #endif | |
2249 | #endif | |
85e6fe83 | 2250 | #endif |
83025b21 | 2251 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2252 | croak("Can't do seteuid!\n"); |
a687059c | 2253 | } |
83025b21 | 2254 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2255 | #ifdef HAS_SETEUID |
85e6fe83 | 2256 | (void)seteuid((Uid_t)uid); |
a687059c | 2257 | #else |
fe14fcc3 | 2258 | #ifdef HAS_SETREUID |
85e6fe83 | 2259 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2260 | #else |
85e6fe83 LW |
2261 | #ifdef HAS_SETRESUID |
2262 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2263 | #else | |
2264 | setuid((Uid_t)uid); | |
2265 | #endif | |
a687059c LW |
2266 | #endif |
2267 | #endif | |
83025b21 | 2268 | if (geteuid() != uid) |
463ee0b2 | 2269 | croak("Can't do seteuid!\n"); |
83025b21 | 2270 | } |
748a9306 | 2271 | init_ids(); |
27e2fb84 | 2272 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2273 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2274 | } |
2275 | #ifdef IAMSUID | |
2276 | else if (preprocess) | |
463ee0b2 | 2277 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2278 | else if (fdscript >= 0) |
2279 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2280 | else |
463ee0b2 | 2281 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2282 | |
2283 | /* We absolutely must clear out any saved ids here, so we */ | |
2284 | /* exec the real perl, substituting fd script for scriptname. */ | |
2285 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
2286 | PerlIO_rewind(rsfp); |
2287 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 2288 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2289 | if (!origargv[which]) | |
2290 | croak("Permission denied"); | |
46fc3d4c | 2291 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2292 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2293 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2294 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2295 | #endif |
46fc3d4c | 2296 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2297 | croak("Can't do setuid\n"); |
13281fa4 | 2298 | #endif /* IAMSUID */ |
a687059c | 2299 | #else /* !DOSUID */ |
a687059c LW |
2300 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2301 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2302 | dTHR; |
760ac839 | 2303 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2304 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2305 | || | |
2306 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2307 | ) | |
2308 | if (!do_undump) | |
463ee0b2 | 2309 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2310 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2311 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2312 | /* not set-id, must be wrapped */ | |
a687059c | 2313 | } |
13281fa4 | 2314 | #endif /* DOSUID */ |
79072805 | 2315 | } |
13281fa4 | 2316 | |
79072805 LW |
2317 | static void |
2318 | find_beginning() | |
2319 | { | |
6e72f9df | 2320 | register char *s, *s2; |
33b78306 LW |
2321 | |
2322 | /* skip forward in input to the real script? */ | |
2323 | ||
bbce6d69 | 2324 | forbid_setid("-x"); |
33b78306 | 2325 | while (doextract) { |
79072805 | 2326 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2327 | croak("No Perl script found in input\n"); |
6e72f9df | 2328 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2329 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2330 | doextract = FALSE; |
6e72f9df | 2331 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2332 | s2 = s; | |
2333 | while (*s == ' ' || *s == '\t') s++; | |
2334 | if (*s++ == '-') { | |
2335 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2336 | if (strnEQ(s2-4,"perl",4)) | |
2337 | /*SUPPRESS 530*/ | |
2338 | while (s = moreswitches(s)) ; | |
33b78306 | 2339 | } |
79072805 | 2340 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2341 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2342 | } |
2343 | } | |
2344 | } | |
2345 | ||
79072805 | 2346 | static void |
748a9306 | 2347 | init_ids() |
352d5a3a | 2348 | { |
748a9306 LW |
2349 | uid = (int)getuid(); |
2350 | euid = (int)geteuid(); | |
2351 | gid = (int)getgid(); | |
2352 | egid = (int)getegid(); | |
2353 | #ifdef VMS | |
2354 | uid |= gid << 16; | |
2355 | euid |= egid << 16; | |
2356 | #endif | |
4633a7c4 | 2357 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2358 | } |
79072805 | 2359 | |
748a9306 | 2360 | static void |
bbce6d69 | 2361 | forbid_setid(s) |
2362 | char *s; | |
2363 | { | |
2364 | if (euid != uid) | |
2365 | croak("No %s allowed while running setuid", s); | |
2366 | if (egid != gid) | |
2367 | croak("No %s allowed while running setgid", s); | |
2368 | } | |
2369 | ||
2370 | static void | |
748a9306 LW |
2371 | init_debugger() |
2372 | { | |
11343788 | 2373 | dTHR; |
79072805 | 2374 | curstash = debstash; |
748a9306 | 2375 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2376 | AvREAL_off(dbargs); |
a0d0e21e LW |
2377 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2378 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2379 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2380 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2381 | sv_setiv(DBsingle, 0); |
748a9306 | 2382 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2383 | sv_setiv(DBtrace, 0); |
748a9306 | 2384 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2385 | sv_setiv(DBsignal, 0); |
79072805 | 2386 | curstash = defstash; |
352d5a3a LW |
2387 | } |
2388 | ||
11343788 MB |
2389 | void |
2390 | init_stacks(ARGS) | |
2391 | dARGS | |
79072805 | 2392 | { |
6e72f9df | 2393 | curstack = newAV(); |
5f05dabc | 2394 | mainstack = curstack; /* remember in case we switch stacks */ |
2395 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2396 | av_extend(curstack,127); |
79072805 | 2397 | |
6e72f9df | 2398 | stack_base = AvARRAY(curstack); |
79072805 | 2399 | stack_sp = stack_base; |
8990e307 | 2400 | stack_max = stack_base + 127; |
79072805 | 2401 | |
a5f75d66 AD |
2402 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2403 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
8990e307 | 2404 | cxstack_ix = -1; |
8990e307 LW |
2405 | |
2406 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2407 | tmps_floor = -1; |
8990e307 LW |
2408 | tmps_ix = -1; |
2409 | tmps_max = 128; | |
2410 | ||
5f05dabc | 2411 | /* |
2412 | * The following stacks almost certainly should be per-interpreter, | |
2413 | * but for now they're not. XXX | |
2414 | */ | |
2415 | ||
6e72f9df | 2416 | if (markstack) { |
2417 | markstack_ptr = markstack; | |
2418 | } else { | |
2419 | New(54,markstack,64,I32); | |
2420 | markstack_ptr = markstack; | |
2421 | markstack_max = markstack + 64; | |
2422 | } | |
79072805 | 2423 | |
6e72f9df | 2424 | if (scopestack) { |
2425 | scopestack_ix = 0; | |
2426 | } else { | |
2427 | New(54,scopestack,32,I32); | |
2428 | scopestack_ix = 0; | |
2429 | scopestack_max = 32; | |
2430 | } | |
79072805 | 2431 | |
6e72f9df | 2432 | if (savestack) { |
2433 | savestack_ix = 0; | |
2434 | } else { | |
2435 | New(54,savestack,128,ANY); | |
2436 | savestack_ix = 0; | |
2437 | savestack_max = 128; | |
2438 | } | |
79072805 | 2439 | |
6e72f9df | 2440 | if (retstack) { |
2441 | retstack_ix = 0; | |
2442 | } else { | |
2443 | New(54,retstack,16,OP*); | |
2444 | retstack_ix = 0; | |
2445 | retstack_max = 16; | |
5f05dabc | 2446 | } |
378cc40b | 2447 | } |
33b78306 | 2448 | |
6e72f9df | 2449 | static void |
2450 | nuke_stacks() | |
2451 | { | |
e858de61 | 2452 | dTHR; |
6e72f9df | 2453 | Safefree(cxstack); |
2454 | Safefree(tmps_stack); | |
5f05dabc | 2455 | DEBUG( { |
2456 | Safefree(debname); | |
2457 | Safefree(debdelim); | |
2458 | } ) | |
378cc40b | 2459 | } |
33b78306 | 2460 | |
760ac839 | 2461 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2462 | |
79072805 | 2463 | static void |
8990e307 LW |
2464 | init_lexer() |
2465 | { | |
a0d0e21e | 2466 | tmpfp = rsfp; |
90248788 | 2467 | rsfp = Nullfp; |
8990e307 LW |
2468 | lex_start(linestr); |
2469 | rsfp = tmpfp; | |
2470 | subname = newSVpv("main",4); | |
2471 | } | |
2472 | ||
2473 | static void | |
79072805 | 2474 | init_predump_symbols() |
45d8adaa | 2475 | { |
11343788 | 2476 | dTHR; |
93a17b20 | 2477 | GV *tmpgv; |
a0d0e21e | 2478 | GV *othergv; |
79072805 | 2479 | |
85e6fe83 | 2480 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
79072805 | 2481 | |
85e6fe83 | 2482 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2483 | GvMULTI_on(stdingv); |
760ac839 | 2484 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2485 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2486 | GvMULTI_on(tmpgv); |
a0d0e21e | 2487 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2488 | |
85e6fe83 | 2489 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2490 | GvMULTI_on(tmpgv); |
760ac839 | 2491 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2492 | setdefout(tmpgv); |
adbc6bb1 | 2493 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2494 | GvMULTI_on(tmpgv); |
a0d0e21e | 2495 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2496 | |
a0d0e21e | 2497 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2498 | GvMULTI_on(othergv); |
760ac839 | 2499 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2500 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2501 | GvMULTI_on(tmpgv); |
a0d0e21e | 2502 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2503 | |
2504 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2505 | |
6e72f9df | 2506 | if (!osname) |
2507 | osname = savepv(OSNAME); | |
79072805 | 2508 | } |
33b78306 | 2509 | |
79072805 LW |
2510 | static void |
2511 | init_postdump_symbols(argc,argv,env) | |
2512 | register int argc; | |
2513 | register char **argv; | |
2514 | register char **env; | |
33b78306 | 2515 | { |
79072805 LW |
2516 | char *s; |
2517 | SV *sv; | |
2518 | GV* tmpgv; | |
fe14fcc3 | 2519 | |
79072805 LW |
2520 | argc--,argv++; /* skip name of script */ |
2521 | if (doswitches) { | |
2522 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2523 | if (!argv[0][1]) | |
2524 | break; | |
2525 | if (argv[0][1] == '-') { | |
2526 | argc--,argv++; | |
2527 | break; | |
2528 | } | |
93a17b20 | 2529 | if (s = strchr(argv[0], '=')) { |
79072805 | 2530 | *s++ = '\0'; |
85e6fe83 | 2531 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2532 | } |
2533 | else | |
85e6fe83 | 2534 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2535 | } |
79072805 LW |
2536 | } |
2537 | toptarget = NEWSV(0,0); | |
2538 | sv_upgrade(toptarget, SVt_PVFM); | |
2539 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2540 | bodytarget = NEWSV(0,0); |
79072805 LW |
2541 | sv_upgrade(bodytarget, SVt_PVFM); |
2542 | sv_setpvn(bodytarget, "", 0); | |
2543 | formtarget = bodytarget; | |
2544 | ||
bbce6d69 | 2545 | TAINT; |
85e6fe83 | 2546 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2547 | sv_setpv(GvSV(tmpgv),origfilename); |
2548 | magicname("0", "0", 1); | |
2549 | } | |
85e6fe83 | 2550 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2551 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2552 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2553 | GvMULTI_on(argvgv); |
79072805 LW |
2554 | (void)gv_AVadd(argvgv); |
2555 | av_clear(GvAVn(argvgv)); | |
2556 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2557 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2558 | } |
2559 | } | |
85e6fe83 | 2560 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2561 | HV *hv; |
a5f75d66 | 2562 | GvMULTI_on(envgv); |
79072805 | 2563 | hv = GvHVn(envgv); |
5aabfad6 | 2564 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2565 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2566 | /* Note that if the supplied env parameter is actually a copy |
2567 | of the global environ then it may now point to free'd memory | |
2568 | if the environment has been modified since. To avoid this | |
2569 | problem we treat env==NULL as meaning 'use the default' | |
2570 | */ | |
2571 | if (!env) | |
2572 | env = environ; | |
5aabfad6 | 2573 | if (env != environ) |
79072805 LW |
2574 | environ[0] = Nullch; |
2575 | for (; *env; env++) { | |
93a17b20 | 2576 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2577 | continue; |
2578 | *s++ = '\0'; | |
137443ea | 2579 | #ifdef WIN32 |
2580 | (void)strupr(*env); | |
2581 | #endif | |
79072805 LW |
2582 | sv = newSVpv(s--,0); |
2583 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2584 | *s = '='; | |
3e3baf6d TB |
2585 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2586 | /* Sins of the RTL. See note in my_setenv(). */ | |
2587 | (void)putenv(savepv(*env)); | |
2588 | #endif | |
fe14fcc3 | 2589 | } |
4550b24a | 2590 | #endif |
2591 | #ifdef DYNAMIC_ENV_FETCH | |
2592 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2593 | #endif | |
79072805 | 2594 | } |
bbce6d69 | 2595 | TAINT_NOT; |
85e6fe83 | 2596 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2597 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2598 | } |
34de22dd | 2599 | |
79072805 LW |
2600 | static void |
2601 | init_perllib() | |
34de22dd | 2602 | { |
85e6fe83 LW |
2603 | char *s; |
2604 | if (!tainting) { | |
552a7a9b | 2605 | #ifndef VMS |
85e6fe83 LW |
2606 | s = getenv("PERL5LIB"); |
2607 | if (s) | |
774d564b | 2608 | incpush(s, TRUE); |
85e6fe83 | 2609 | else |
774d564b | 2610 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2611 | #else /* VMS */ |
2612 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2613 | * "natural" VMS idiom for a Unix path string. We allow each | |
2614 | * element to be a set of |-separated directories for compatibility. | |
2615 | */ | |
2616 | char buf[256]; | |
2617 | int idx = 0; | |
2618 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2619 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2620 | else |
774d564b | 2621 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2622 | #endif /* VMS */ |
85e6fe83 | 2623 | } |
34de22dd | 2624 | |
c90c0ff4 | 2625 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2626 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2627 | */ | |
4633a7c4 | 2628 | #ifdef APPLLIB_EXP |
774d564b | 2629 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2630 | #endif |
4633a7c4 | 2631 | |
fed7345c | 2632 | #ifdef ARCHLIB_EXP |
774d564b | 2633 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2634 | #endif |
fed7345c AD |
2635 | #ifndef PRIVLIB_EXP |
2636 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2637 | #endif |
774d564b | 2638 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2639 | |
2640 | #ifdef SITEARCH_EXP | |
774d564b | 2641 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2642 | #endif |
2643 | #ifdef SITELIB_EXP | |
774d564b | 2644 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2645 | #endif |
2646 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2647 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2648 | #endif |
a0d0e21e | 2649 | |
4633a7c4 | 2650 | if (!tainting) |
774d564b | 2651 | incpush(".", FALSE); |
2652 | } | |
2653 | ||
2654 | #if defined(DOSISH) | |
2655 | # define PERLLIB_SEP ';' | |
2656 | #else | |
2657 | # if defined(VMS) | |
2658 | # define PERLLIB_SEP '|' | |
2659 | # else | |
2660 | # define PERLLIB_SEP ':' | |
2661 | # endif | |
2662 | #endif | |
2663 | #ifndef PERLLIB_MANGLE | |
2664 | # define PERLLIB_MANGLE(s,n) (s) | |
2665 | #endif | |
2666 | ||
2667 | static void | |
2668 | incpush(p, addsubdirs) | |
2669 | char *p; | |
2670 | int addsubdirs; | |
2671 | { | |
2672 | SV *subdir = Nullsv; | |
2673 | static char *archpat_auto; | |
2674 | ||
2675 | if (!p) | |
2676 | return; | |
2677 | ||
2678 | if (addsubdirs) { | |
2679 | subdir = newSV(0); | |
2680 | if (!archpat_auto) { | |
2681 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2682 | + sizeof("//auto")); | |
2683 | New(55, archpat_auto, len, char); | |
2684 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2685 | #ifdef VMS |
2686 | for (len = sizeof(ARCHNAME) + 2; | |
2687 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2688 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2689 | #endif | |
774d564b | 2690 | } |
2691 | } | |
2692 | ||
2693 | /* Break at all separators */ | |
2694 | while (p && *p) { | |
2695 | SV *libdir = newSV(0); | |
2696 | char *s; | |
2697 | ||
2698 | /* skip any consecutive separators */ | |
2699 | while ( *p == PERLLIB_SEP ) { | |
2700 | /* Uncomment the next line for PATH semantics */ | |
2701 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2702 | p++; | |
2703 | } | |
2704 | ||
2705 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2706 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2707 | (STRLEN)(s - p)); | |
2708 | p = s + 1; | |
2709 | } | |
2710 | else { | |
2711 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2712 | p = Nullch; /* break out */ | |
2713 | } | |
2714 | ||
2715 | /* | |
2716 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2717 | * archname-specific sub-directories. | |
2718 | */ | |
2719 | if (addsubdirs) { | |
2720 | struct stat tmpstatbuf; | |
aa689395 | 2721 | #ifdef VMS |
2722 | char *unix; | |
2723 | STRLEN len; | |
774d564b | 2724 | |
aa689395 | 2725 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2726 | len = strlen(unix); | |
2727 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2728 | sv_usepvn(libdir,unix,len); | |
2729 | } | |
2730 | else | |
2731 | PerlIO_printf(PerlIO_stderr(), | |
2732 | "Failed to unixify @INC element \"%s\"\n", | |
2733 | SvPV(libdir,na)); | |
2734 | #endif | |
4fdae800 | 2735 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2736 | sv_setsv(subdir, libdir); |
2737 | sv_catpv(subdir, archpat_auto); | |
2738 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2739 | S_ISDIR(tmpstatbuf.st_mode)) | |
2740 | av_push(GvAVn(incgv), | |
2741 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2742 | ||
4fdae800 | 2743 | /* .../archname if -d .../archname/auto */ |
774d564b | 2744 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2745 | strlen(patchlevel) + 1, "", 0); | |
2746 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2747 | S_ISDIR(tmpstatbuf.st_mode)) | |
2748 | av_push(GvAVn(incgv), | |
2749 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2750 | } | |
2751 | ||
2752 | /* finally push this lib directory on the end of @INC */ | |
2753 | av_push(GvAVn(incgv), libdir); | |
2754 | } | |
2755 | ||
2756 | SvREFCNT_dec(subdir); | |
34de22dd | 2757 | } |
93a17b20 LW |
2758 | |
2759 | void | |
68dc0745 | 2760 | call_list(oldscope, list) |
2ae324a7 | 2761 | I32 oldscope; |
93a17b20 LW |
2762 | AV* list; |
2763 | { | |
11343788 | 2764 | dTHR; |
a0d0e21e | 2765 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2766 | STRLEN len; |
2767 | dJMPENV; | |
2768 | int ret; | |
93a17b20 | 2769 | |
8990e307 LW |
2770 | while (AvFILL(list) >= 0) { |
2771 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2772 | |
8990e307 | 2773 | SAVEFREESV(cv); |
a0d0e21e | 2774 | |
22921e25 CS |
2775 | JMPENV_PUSH(ret); |
2776 | switch (ret) { | |
748a9306 | 2777 | case 0: { |
4633a7c4 | 2778 | SV* atsv = GvSV(errgv); |
748a9306 LW |
2779 | PUSHMARK(stack_sp); |
2780 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
2781 | (void)SvPV(atsv, len); | |
2782 | if (len) { | |
54310121 | 2783 | JMPENV_POP; |
748a9306 LW |
2784 | curcop = &compiling; |
2785 | curcop->cop_line = oldline; | |
2786 | if (list == beginav) | |
2787 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
2788 | else | |
2789 | sv_catpv(atsv, "END failed--cleanup aborted"); | |
2ae324a7 | 2790 | while (scopestack_ix > oldscope) |
2791 | LEAVE; | |
748a9306 LW |
2792 | croak("%s", SvPVX(atsv)); |
2793 | } | |
a0d0e21e | 2794 | } |
85e6fe83 LW |
2795 | break; |
2796 | case 1: | |
f86702cc | 2797 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2798 | /* FALL THROUGH */ |
2799 | case 2: | |
2800 | /* my_exit() was called */ | |
2ae324a7 | 2801 | while (scopestack_ix > oldscope) |
2802 | LEAVE; | |
84902520 | 2803 | FREETMPS; |
85e6fe83 LW |
2804 | curstash = defstash; |
2805 | if (endav) | |
68dc0745 | 2806 | call_list(oldscope, endav); |
54310121 | 2807 | JMPENV_POP; |
a0d0e21e LW |
2808 | curcop = &compiling; |
2809 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2810 | if (statusvalue) { |
2811 | if (list == beginav) | |
a0d0e21e | 2812 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2813 | else |
a0d0e21e | 2814 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2815 | } |
f86702cc | 2816 | my_exit_jump(); |
85e6fe83 | 2817 | /* NOTREACHED */ |
85e6fe83 LW |
2818 | case 3: |
2819 | if (!restartop) { | |
760ac839 | 2820 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2821 | FREETMPS; |
85e6fe83 LW |
2822 | break; |
2823 | } | |
54310121 | 2824 | JMPENV_POP; |
a0d0e21e LW |
2825 | curcop = &compiling; |
2826 | curcop->cop_line = oldline; | |
54310121 | 2827 | JMPENV_JUMP(3); |
8990e307 | 2828 | } |
54310121 | 2829 | JMPENV_POP; |
93a17b20 | 2830 | } |
93a17b20 | 2831 | } |
93a17b20 | 2832 | |
f86702cc | 2833 | void |
2834 | my_exit(status) | |
2835 | U32 status; | |
2836 | { | |
5dc0d613 MB |
2837 | dTHR; |
2838 | ||
2839 | #ifdef USE_THREADS | |
2840 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread 0x%lx, status %lu\n", | |
2841 | (unsigned long) thr, (unsigned long) status)); | |
2842 | #endif /* USE_THREADS */ | |
f86702cc | 2843 | switch (status) { |
2844 | case 0: | |
2845 | STATUS_ALL_SUCCESS; | |
2846 | break; | |
2847 | case 1: | |
2848 | STATUS_ALL_FAILURE; | |
2849 | break; | |
2850 | default: | |
2851 | STATUS_NATIVE_SET(status); | |
2852 | break; | |
2853 | } | |
2854 | my_exit_jump(); | |
2855 | } | |
2856 | ||
2857 | void | |
2858 | my_failure_exit() | |
2859 | { | |
2860 | #ifdef VMS | |
2861 | if (vaxc$errno & 1) { | |
4fdae800 | 2862 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2863 | STATUS_NATIVE_SET(44); | |
f86702cc | 2864 | } |
2865 | else { | |
ff0cee69 | 2866 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2867 | STATUS_NATIVE_SET(44); |
f86702cc | 2868 | else |
4fdae800 | 2869 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2870 | } |
2871 | #else | |
2872 | if (errno & 255) | |
2873 | STATUS_POSIX_SET(errno); | |
2874 | else if (STATUS_POSIX == 0) | |
2875 | STATUS_POSIX_SET(255); | |
2876 | #endif | |
2877 | my_exit_jump(); | |
93a17b20 LW |
2878 | } |
2879 | ||
f86702cc | 2880 | static void |
2881 | my_exit_jump() | |
2882 | { | |
e858de61 | 2883 | dTHR; |
f86702cc | 2884 | register CONTEXT *cx; |
2885 | I32 gimme; | |
2886 | SV **newsp; | |
2887 | ||
2888 | if (e_tmpname) { | |
2889 | if (e_fp) { | |
2890 | PerlIO_close(e_fp); | |
2891 | e_fp = Nullfp; | |
2892 | } | |
2893 | (void)UNLINK(e_tmpname); | |
2894 | Safefree(e_tmpname); | |
2895 | e_tmpname = Nullch; | |
2896 | } | |
2897 | ||
2898 | if (cxstack_ix >= 0) { | |
2899 | if (cxstack_ix > 0) | |
2900 | dounwind(0); | |
2901 | POPBLOCK(cx,curpm); | |
2902 | LEAVE; | |
2903 | } | |
ff0cee69 | 2904 | |
54310121 | 2905 | JMPENV_JUMP(2); |
f86702cc | 2906 | } |