Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
be3c0a43 | 3 | * Copyright (c) 1987-2002 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 | 14 | #include "EXTERN.h" |
864dbfa3 | 15 | #define PERL_IN_PERL_C |
378cc40b | 16 | #include "perl.h" |
e3321bb0 | 17 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 18 | |
011f1a1a JH |
19 | #ifdef NETWARE |
20 | #include "nwutil.h" | |
21 | char *nw_get_sitelib(const char *pl); | |
22 | #endif | |
23 | ||
df5cef82 | 24 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
25 | #ifdef I_UNISTD |
26 | #include <unistd.h> | |
27 | #endif | |
a0d0e21e | 28 | |
5311654c JH |
29 | #ifdef __BEOS__ |
30 | # define HZ 1000000 | |
31 | #endif | |
32 | ||
33 | #ifndef HZ | |
34 | # ifdef CLK_TCK | |
35 | # define HZ CLK_TCK | |
36 | # else | |
37 | # define HZ 60 | |
38 | # endif | |
39 | #endif | |
40 | ||
7114a2d2 | 41 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 42 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 43 | #endif |
44 | ||
acfe0abc | 45 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 46 | |
a687059c LW |
47 | #ifdef IAMSUID |
48 | #ifndef DOSUID | |
49 | #define DOSUID | |
50 | #endif | |
51 | #endif | |
378cc40b | 52 | |
a687059c LW |
53 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
54 | #ifdef DOSUID | |
55 | #undef DOSUID | |
56 | #endif | |
57 | #endif | |
8d063cd8 | 58 | |
4d1ff10f | 59 | #if defined(USE_5005THREADS) |
06d86050 GS |
60 | # define INIT_TLS_AND_INTERP \ |
61 | STMT_START { \ | |
62 | if (!PL_curinterp) { \ | |
63 | PERL_SET_INTERP(my_perl); \ | |
64 | INIT_THREADS; \ | |
65 | ALLOC_THREAD_KEY; \ | |
66 | } \ | |
67 | } STMT_END | |
68 | #else | |
69 | # if defined(USE_ITHREADS) | |
70 | # define INIT_TLS_AND_INTERP \ | |
71 | STMT_START { \ | |
72 | if (!PL_curinterp) { \ | |
73 | PERL_SET_INTERP(my_perl); \ | |
74 | INIT_THREADS; \ | |
75 | ALLOC_THREAD_KEY; \ | |
534825c4 GS |
76 | PERL_SET_THX(my_perl); \ |
77 | OP_REFCNT_INIT; \ | |
78 | } \ | |
79 | else { \ | |
80 | PERL_SET_THX(my_perl); \ | |
06d86050 | 81 | } \ |
06d86050 GS |
82 | } STMT_END |
83 | # else | |
84 | # define INIT_TLS_AND_INTERP \ | |
85 | STMT_START { \ | |
86 | if (!PL_curinterp) { \ | |
87 | PERL_SET_INTERP(my_perl); \ | |
88 | } \ | |
89 | PERL_SET_THX(my_perl); \ | |
90 | } STMT_END | |
91 | # endif | |
92 | #endif | |
93 | ||
32e30700 GS |
94 | #ifdef PERL_IMPLICIT_SYS |
95 | PerlInterpreter * | |
7766f137 GS |
96 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
97 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
98 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
99 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
100 | struct IPerlProc* ipP) | |
101 | { | |
102 | PerlInterpreter *my_perl; | |
32e30700 GS |
103 | /* New() needs interpreter, so call malloc() instead */ |
104 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
06d86050 | 105 | INIT_TLS_AND_INTERP; |
32e30700 GS |
106 | Zero(my_perl, 1, PerlInterpreter); |
107 | PL_Mem = ipM; | |
7766f137 GS |
108 | PL_MemShared = ipMS; |
109 | PL_MemParse = ipMP; | |
32e30700 GS |
110 | PL_Env = ipE; |
111 | PL_StdIO = ipStd; | |
112 | PL_LIO = ipLIO; | |
113 | PL_Dir = ipD; | |
114 | PL_Sock = ipS; | |
115 | PL_Proc = ipP; | |
7766f137 | 116 | |
32e30700 GS |
117 | return my_perl; |
118 | } | |
119 | #else | |
954c1994 GS |
120 | |
121 | /* | |
ccfc67b7 JH |
122 | =head1 Embedding Functions |
123 | ||
954c1994 GS |
124 | =for apidoc perl_alloc |
125 | ||
126 | Allocates a new Perl interpreter. See L<perlembed>. | |
127 | ||
128 | =cut | |
129 | */ | |
130 | ||
93a17b20 | 131 | PerlInterpreter * |
cea2e8a9 | 132 | perl_alloc(void) |
79072805 | 133 | { |
cea2e8a9 | 134 | PerlInterpreter *my_perl; |
35d7cf2c JH |
135 | #ifdef USE_5005THREADS |
136 | dTHX; | |
137 | #endif | |
79072805 | 138 | |
54aff467 | 139 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 140 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 141 | |
06d86050 | 142 | INIT_TLS_AND_INTERP; |
dedcbb81 | 143 | Zero(my_perl, 1, PerlInterpreter); |
cea2e8a9 | 144 | return my_perl; |
79072805 | 145 | } |
32e30700 | 146 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 147 | |
954c1994 GS |
148 | /* |
149 | =for apidoc perl_construct | |
150 | ||
151 | Initializes a new Perl interpreter. See L<perlembed>. | |
152 | ||
153 | =cut | |
154 | */ | |
155 | ||
79072805 | 156 | void |
0cb96387 | 157 | perl_construct(pTHXx) |
79072805 | 158 | { |
4d1ff10f | 159 | #ifdef USE_5005THREADS |
a863c7d1 | 160 | #ifndef FAKE_THREADS |
e1f15930 | 161 | struct perl_thread *thr = NULL; |
a863c7d1 | 162 | #endif /* FAKE_THREADS */ |
4d1ff10f | 163 | #endif /* USE_5005THREADS */ |
ba869deb | 164 | |
8990e307 | 165 | #ifdef MULTIPLICITY |
54aff467 | 166 | init_interp(); |
ac27b0f5 | 167 | PL_perl_destruct_level = 1; |
54aff467 GS |
168 | #else |
169 | if (PL_perl_destruct_level > 0) | |
170 | init_interp(); | |
171 | #endif | |
172 | ||
33f46ff6 | 173 | /* Init the real globals (and main thread)? */ |
3280af22 | 174 | if (!PL_linestr) { |
4d1ff10f | 175 | #ifdef USE_5005THREADS |
533c011a | 176 | MUTEX_INIT(&PL_sv_mutex); |
a863c7d1 MB |
177 | /* |
178 | * Safe to use basic SV functions from now on (though | |
179 | * not things like mortals or tainting yet). | |
180 | */ | |
533c011a NIS |
181 | MUTEX_INIT(&PL_eval_mutex); |
182 | COND_INIT(&PL_eval_cond); | |
183 | MUTEX_INIT(&PL_threads_mutex); | |
184 | COND_INIT(&PL_nthreads_cond); | |
ba869deb | 185 | # ifdef EMULATE_ATOMIC_REFCOUNTS |
533c011a | 186 | MUTEX_INIT(&PL_svref_mutex); |
ba869deb | 187 | # endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 | 188 | |
5ff3f7a4 | 189 | MUTEX_INIT(&PL_cred_mutex); |
3d35f11b GS |
190 | MUTEX_INIT(&PL_sv_lock_mutex); |
191 | MUTEX_INIT(&PL_fdpid_mutex); | |
5ff3f7a4 | 192 | |
199100c8 | 193 | thr = init_main_thread(); |
4d1ff10f | 194 | #endif /* USE_5005THREADS */ |
11343788 | 195 | |
14dd3ad8 | 196 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
0b94c7bb | 197 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
14dd3ad8 | 198 | #endif |
312caa8e | 199 | |
2aea9f8a GS |
200 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
201 | ||
3280af22 NIS |
202 | PL_linestr = NEWSV(65,79); |
203 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 204 | |
3280af22 | 205 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
206 | /* set read-only and try to insure than we wont see REFCNT==0 |
207 | very often */ | |
208 | ||
3280af22 NIS |
209 | SvREADONLY_on(&PL_sv_undef); |
210 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 211 | |
3280af22 NIS |
212 | sv_setpv(&PL_sv_no,PL_No); |
213 | SvNV(&PL_sv_no); | |
214 | SvREADONLY_on(&PL_sv_no); | |
215 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 216 | |
3280af22 NIS |
217 | sv_setpv(&PL_sv_yes,PL_Yes); |
218 | SvNV(&PL_sv_yes); | |
219 | SvREADONLY_on(&PL_sv_yes); | |
220 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 221 | } |
79072805 | 222 | |
cea2e8a9 | 223 | PL_sighandlerp = Perl_sighandler; |
3280af22 | 224 | PL_pidstatus = newHV(); |
79072805 LW |
225 | } |
226 | ||
8bfdd7d9 | 227 | PL_rs = newSVpvn("\n", 1); |
dc92893f | 228 | |
cea2e8a9 | 229 | init_stacks(); |
79072805 | 230 | |
748a9306 | 231 | init_ids(); |
3280af22 | 232 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 233 | |
312caa8e | 234 | JMPENV_BOOTSTRAP; |
f86702cc | 235 | STATUS_ALL_SUCCESS; |
236 | ||
0672f40e | 237 | init_i18nl10n(1); |
36477c24 | 238 | SET_NUMERIC_STANDARD(); |
0b5b802d | 239 | |
a7cb1f99 GS |
240 | { |
241 | U8 *s; | |
242 | PL_patchlevel = NEWSV(0,4); | |
155aba94 | 243 | (void)SvUPGRADE(PL_patchlevel, SVt_PVNV); |
a7cb1f99 | 244 | if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127) |
806e7201 | 245 | SvGROW(PL_patchlevel, UTF8_MAXLEN*3+1); |
a7cb1f99 | 246 | s = (U8*)SvPVX(PL_patchlevel); |
9041c2e3 NIS |
247 | /* Build version strings using "native" characters */ |
248 | s = uvchr_to_utf8(s, (UV)PERL_REVISION); | |
249 | s = uvchr_to_utf8(s, (UV)PERL_VERSION); | |
250 | s = uvchr_to_utf8(s, (UV)PERL_SUBVERSION); | |
a7cb1f99 GS |
251 | *s = '\0'; |
252 | SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel)); | |
253 | SvPOK_on(PL_patchlevel); | |
254 | SvNVX(PL_patchlevel) = (NV)PERL_REVISION | |
255 | + ((NV)PERL_VERSION / (NV)1000) | |
cceca5ed | 256 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
a7cb1f99 | 257 | + ((NV)PERL_SUBVERSION / (NV)1000000) |
a5f75d66 | 258 | #endif |
a7cb1f99 GS |
259 | ; |
260 | SvNOK_on(PL_patchlevel); /* dual valued */ | |
261 | SvUTF8_on(PL_patchlevel); | |
262 | SvREADONLY_on(PL_patchlevel); | |
263 | } | |
79072805 | 264 | |
ab821d7f | 265 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 266 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 267 | #endif |
268 | ||
52853b95 GS |
269 | #ifdef HAVE_INTERP_INTERN |
270 | sys_intern_init(); | |
271 | #endif | |
272 | ||
3a1ee7e8 | 273 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 274 | |
3280af22 NIS |
275 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
276 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
24944567 | 277 | PL_errors = newSVpvn("",0); |
48c6b404 | 278 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
279 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
280 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 281 | #ifdef USE_ITHREADS |
13137afc AB |
282 | PL_regex_padav = newAV(); |
283 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
284 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 285 | #endif |
e5dd39fc | 286 | #ifdef USE_REENTRANT_API |
59bd0823 | 287 | Perl_reentrant_init(aTHX); |
e5dd39fc | 288 | #endif |
3d47000e AB |
289 | |
290 | /* Note that strtab is a rather special HV. Assumptions are made | |
291 | about not iterating on it, and not adding tie magic to it. | |
292 | It is properly deallocated in perl_destruct() */ | |
293 | PL_strtab = newHV(); | |
294 | ||
295 | #ifdef USE_5005THREADS | |
296 | MUTEX_INIT(&PL_strtab_mutex); | |
297 | #endif | |
298 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ | |
299 | hv_ksplit(PL_strtab, 512); | |
300 | ||
0631ea03 AB |
301 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
302 | _dyld_lookup_and_bind | |
303 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
304 | #endif /* environ */ | |
305 | ||
306 | #ifdef USE_ENVIRON_ARRAY | |
307 | PL_origenviron = environ; | |
308 | #endif | |
309 | ||
5311654c JH |
310 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
311 | * available or if the sysconf() fails, use the HZ. */ | |
312 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) | |
313 | PL_clocktick = sysconf(_SC_CLK_TCK); | |
314 | if (PL_clocktick <= 0) | |
315 | #endif | |
316 | PL_clocktick = HZ; | |
317 | ||
8990e307 | 318 | ENTER; |
79072805 LW |
319 | } |
320 | ||
954c1994 | 321 | /* |
62375a60 NIS |
322 | =for apidoc nothreadhook |
323 | ||
324 | Stub that provides thread hook for perl_destruct when there are | |
325 | no threads. | |
326 | ||
327 | =cut | |
328 | */ | |
329 | ||
330 | int | |
4e9e3734 | 331 | Perl_nothreadhook(pTHX) |
62375a60 NIS |
332 | { |
333 | return 0; | |
334 | } | |
335 | ||
336 | /* | |
954c1994 GS |
337 | =for apidoc perl_destruct |
338 | ||
339 | Shuts down a Perl interpreter. See L<perlembed>. | |
340 | ||
341 | =cut | |
342 | */ | |
343 | ||
31d77e54 | 344 | int |
0cb96387 | 345 | perl_destruct(pTHXx) |
79072805 | 346 | { |
7c474504 | 347 | volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 348 | HV *hv; |
4d1ff10f | 349 | #ifdef USE_5005THREADS |
33f46ff6 | 350 | Thread t; |
cea2e8a9 | 351 | dTHX; |
4d1ff10f | 352 | #endif /* USE_5005THREADS */ |
8990e307 | 353 | |
7766f137 GS |
354 | /* wait for all pseudo-forked children to finish */ |
355 | PERL_WAIT_FOR_CHILDREN; | |
356 | ||
4d1ff10f | 357 | #ifdef USE_5005THREADS |
0f15f207 | 358 | #ifndef FAKE_THREADS |
8023c3ce MB |
359 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
360 | retry_cleanup: | |
533c011a | 361 | MUTEX_LOCK(&PL_threads_mutex); |
bf49b057 | 362 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 363 | "perl_destruct: waiting for %d threads...\n", |
533c011a | 364 | PL_nthreads - 1)); |
33f46ff6 | 365 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 MB |
366 | MUTEX_LOCK(&t->mutex); |
367 | switch (ThrSTATE(t)) { | |
368 | AV *av; | |
c7848ba1 | 369 | case THRf_ZOMBIE: |
bf49b057 | 370 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 371 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 MB |
372 | ThrSETSTATE(t, THRf_DEAD); |
373 | MUTEX_UNLOCK(&t->mutex); | |
533c011a | 374 | PL_nthreads--; |
8023c3ce MB |
375 | /* |
376 | * The SvREFCNT_dec below may take a long time (e.g. av | |
377 | * may contain an object scalar whose destructor gets | |
378 | * called) so we have to unlock threads_mutex and start | |
379 | * all over again. | |
380 | */ | |
533c011a | 381 | MUTEX_UNLOCK(&PL_threads_mutex); |
ea0efc06 | 382 | JOIN(t, &av); |
605e5515 | 383 | SvREFCNT_dec((SV*)av); |
bf49b057 | 384 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 385 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce | 386 | goto retry_cleanup; |
c7848ba1 | 387 | case THRf_R_JOINABLE: |
bf49b057 | 388 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
389 | "perl_destruct: detaching thread %p\n", t)); |
390 | ThrSETSTATE(t, THRf_R_DETACHED); | |
ac27b0f5 | 391 | /* |
c7848ba1 MB |
392 | * We unlock threads_mutex and t->mutex in the opposite order |
393 | * from which we locked them just so that DETACH won't | |
394 | * deadlock if it panics. It's only a breach of good style | |
395 | * not a bug since they are unlocks not locks. | |
396 | */ | |
533c011a | 397 | MUTEX_UNLOCK(&PL_threads_mutex); |
c7848ba1 MB |
398 | DETACH(t); |
399 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 400 | goto retry_cleanup; |
c7848ba1 | 401 | default: |
bf49b057 | 402 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
403 | "perl_destruct: ignoring %p (state %u)\n", |
404 | t, ThrSTATE(t))); | |
405 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 406 | /* fall through and out */ |
33f46ff6 MB |
407 | } |
408 | } | |
8023c3ce MB |
409 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
410 | ||
411 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
533c011a | 412 | while (PL_nthreads > 1) |
11343788 | 413 | { |
bf49b057 | 414 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 415 | "perl_destruct: final wait for %d threads\n", |
533c011a NIS |
416 | PL_nthreads - 1)); |
417 | COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex); | |
11343788 MB |
418 | } |
419 | /* At this point, we're the last thread */ | |
533c011a | 420 | MUTEX_UNLOCK(&PL_threads_mutex); |
bf49b057 | 421 | DEBUG_S(PerlIO_printf(Perl_debug_log, "perl_destruct: armageddon has arrived\n")); |
533c011a NIS |
422 | MUTEX_DESTROY(&PL_threads_mutex); |
423 | COND_DESTROY(&PL_nthreads_cond); | |
b57a092c | 424 | PL_nthreads--; |
0f15f207 | 425 | #endif /* !defined(FAKE_THREADS) */ |
4d1ff10f | 426 | #endif /* USE_5005THREADS */ |
11343788 | 427 | |
3280af22 | 428 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
429 | #ifdef DEBUGGING |
430 | { | |
431 | char *s; | |
155aba94 | 432 | if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) { |
5f05dabc | 433 | int i = atoi(s); |
434 | if (destruct_level < i) | |
435 | destruct_level = i; | |
436 | } | |
4633a7c4 LW |
437 | } |
438 | #endif | |
439 | ||
31d77e54 AB |
440 | |
441 | if(PL_exit_flags & PERL_EXIT_DESTRUCT_END) { | |
f3faeb53 AB |
442 | dJMPENV; |
443 | int x = 0; | |
444 | ||
445 | JMPENV_PUSH(x); | |
446 | if (PL_endav && !PL_minus_c) | |
447 | call_list(PL_scopestack_ix, PL_endav); | |
448 | JMPENV_POP; | |
26f423df | 449 | } |
f3faeb53 | 450 | LEAVE; |
a0d0e21e LW |
451 | FREETMPS; |
452 | ||
e00b64d4 | 453 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 454 | my_fflush_all(); |
e00b64d4 | 455 | |
62375a60 NIS |
456 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
457 | /* Threads hook has vetoed further cleanup */ | |
b47cad08 | 458 | return STATUS_NATIVE_EXPORT; |
62375a60 NIS |
459 | } |
460 | ||
ff0cee69 | 461 | /* We must account for everything. */ |
462 | ||
463 | /* Destroy the main CV and syntax tree */ | |
3280af22 | 464 | if (PL_main_root) { |
47c8db80 AF |
465 | /* If running under -d may not have PL_comppad. */ |
466 | PL_curpad = PL_comppad ? AvARRAY(PL_comppad) : NULL; | |
3280af22 NIS |
467 | op_free(PL_main_root); |
468 | PL_main_root = Nullop; | |
a0d0e21e | 469 | } |
3280af22 NIS |
470 | PL_curcop = &PL_compiling; |
471 | PL_main_start = Nullop; | |
472 | SvREFCNT_dec(PL_main_cv); | |
473 | PL_main_cv = Nullcv; | |
24d3c518 | 474 | PL_dirty = TRUE; |
ff0cee69 | 475 | |
13621cfb NIS |
476 | /* Tell PerlIO we are about to tear things apart in case |
477 | we have layers which are using resources that should | |
478 | be cleaned up now. | |
479 | */ | |
480 | ||
481 | PerlIO_destruct(aTHX); | |
482 | ||
3280af22 | 483 | if (PL_sv_objcount) { |
a0d0e21e LW |
484 | /* |
485 | * Try to destruct global references. We do this first so that the | |
486 | * destructors and destructees still exist. Some sv's might remain. | |
487 | * Non-referenced objects are on their own. | |
488 | */ | |
a0d0e21e | 489 | sv_clean_objs(); |
8990e307 LW |
490 | } |
491 | ||
5cd24f17 | 492 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
493 | SvREFCNT_dec(PL_warnhook); |
494 | PL_warnhook = Nullsv; | |
495 | SvREFCNT_dec(PL_diehook); | |
496 | PL_diehook = Nullsv; | |
5cd24f17 | 497 | |
4b556e6c | 498 | /* call exit list functions */ |
3280af22 | 499 | while (PL_exitlistlen-- > 0) |
acfe0abc | 500 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 501 | |
3280af22 | 502 | Safefree(PL_exitlist); |
4b556e6c | 503 | |
a0d0e21e | 504 | if (destruct_level == 0){ |
8990e307 | 505 | |
a0d0e21e | 506 | DEBUG_P(debprofdump()); |
ac27b0f5 | 507 | |
56a2bab7 NIS |
508 | #if defined(PERLIO_LAYERS) |
509 | /* No more IO - including error messages ! */ | |
510 | PerlIO_cleanup(aTHX); | |
511 | #endif | |
512 | ||
a0d0e21e | 513 | /* The exit() function will do everything that needs doing. */ |
b47cad08 | 514 | return STATUS_NATIVE_EXPORT; |
a0d0e21e | 515 | } |
5dd60ef7 | 516 | |
551a8b83 | 517 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
518 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
519 | * so we certainly shouldn't free it here | |
520 | */ | |
521 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) | |
4efc5df6 GS |
522 | if (environ != PL_origenviron |
523 | #ifdef USE_ITHREADS | |
524 | /* only main thread can free environ[0] contents */ | |
525 | && PL_curinterp == aTHX | |
526 | #endif | |
527 | ) | |
528 | { | |
551a8b83 JH |
529 | I32 i; |
530 | ||
531 | for (i = 0; environ[i]; i++) | |
4b420006 | 532 | safesysfree(environ[i]); |
0631ea03 | 533 | |
4b420006 JH |
534 | /* Must use safesysfree() when working with environ. */ |
535 | safesysfree(environ); | |
551a8b83 JH |
536 | |
537 | environ = PL_origenviron; | |
538 | } | |
539 | #endif | |
540 | ||
5f8cb046 DM |
541 | #ifdef USE_ITHREADS |
542 | /* the syntax tree is shared between clones | |
543 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
544 | * REGEXPs in the parent interpreter | |
545 | * we need to manually ReREFCNT_dec for the clones | |
546 | */ | |
547 | { | |
548 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
549 | SV **ary = AvARRAY(PL_regex_padav); | |
550 | ||
551 | while (i) { | |
35061a7e | 552 | SV *resv = ary[--i]; |
ba89bb6e | 553 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); |
35061a7e DM |
554 | |
555 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 556 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
557 | * flag is set in regexec.c:S_regtry |
558 | */ | |
559 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 560 | } |
1cc8b4c5 AB |
561 | else if(SvREPADTMP(resv)) { |
562 | SvREPADTMP_off(resv); | |
563 | } | |
35061a7e | 564 | else { |
5f8cb046 DM |
565 | ReREFCNT_dec(re); |
566 | } | |
567 | } | |
568 | } | |
569 | SvREFCNT_dec(PL_regex_padav); | |
570 | PL_regex_padav = Nullav; | |
571 | PL_regex_pad = NULL; | |
572 | #endif | |
573 | ||
5f05dabc | 574 | /* loosen bonds of global variables */ |
575 | ||
3280af22 NIS |
576 | if(PL_rsfp) { |
577 | (void)PerlIO_close(PL_rsfp); | |
578 | PL_rsfp = Nullfp; | |
8ebc5c01 | 579 | } |
580 | ||
581 | /* Filters for program text */ | |
3280af22 NIS |
582 | SvREFCNT_dec(PL_rsfp_filters); |
583 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 584 | |
585 | /* switches */ | |
3280af22 NIS |
586 | PL_preprocess = FALSE; |
587 | PL_minus_n = FALSE; | |
588 | PL_minus_p = FALSE; | |
589 | PL_minus_l = FALSE; | |
590 | PL_minus_a = FALSE; | |
591 | PL_minus_F = FALSE; | |
592 | PL_doswitches = FALSE; | |
599cee73 | 593 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
594 | PL_doextract = FALSE; |
595 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
596 | PL_unsafe = FALSE; |
597 | ||
598 | Safefree(PL_inplace); | |
599 | PL_inplace = Nullch; | |
a7cb1f99 | 600 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
601 | |
602 | if (PL_e_script) { | |
603 | SvREFCNT_dec(PL_e_script); | |
604 | PL_e_script = Nullsv; | |
8ebc5c01 | 605 | } |
606 | ||
bc0a45ed DM |
607 | while (--PL_origargc >= 0) { |
608 | Safefree(PL_origargv[PL_origargc]); | |
609 | } | |
610 | Safefree(PL_origargv); | |
611 | ||
8ebc5c01 | 612 | /* magical thingies */ |
613 | ||
7889fe52 NIS |
614 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
615 | PL_ofs_sv = Nullsv; | |
5f05dabc | 616 | |
7889fe52 NIS |
617 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
618 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 619 | |
3280af22 NIS |
620 | SvREFCNT_dec(PL_rs); /* $/ */ |
621 | PL_rs = Nullsv; | |
dc92893f | 622 | |
d33b2eba GS |
623 | PL_multiline = 0; /* $* */ |
624 | Safefree(PL_osname); /* $^O */ | |
625 | PL_osname = Nullch; | |
5f05dabc | 626 | |
3280af22 NIS |
627 | SvREFCNT_dec(PL_statname); |
628 | PL_statname = Nullsv; | |
629 | PL_statgv = Nullgv; | |
5f05dabc | 630 | |
8ebc5c01 | 631 | /* defgv, aka *_ should be taken care of elsewhere */ |
632 | ||
8ebc5c01 | 633 | /* clean up after study() */ |
3280af22 NIS |
634 | SvREFCNT_dec(PL_lastscream); |
635 | PL_lastscream = Nullsv; | |
636 | Safefree(PL_screamfirst); | |
637 | PL_screamfirst = 0; | |
638 | Safefree(PL_screamnext); | |
639 | PL_screamnext = 0; | |
8ebc5c01 | 640 | |
7d5ea4e7 GS |
641 | /* float buffer */ |
642 | Safefree(PL_efloatbuf); | |
643 | PL_efloatbuf = Nullch; | |
644 | PL_efloatsize = 0; | |
645 | ||
8ebc5c01 | 646 | /* startup and shutdown function lists */ |
3280af22 | 647 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 648 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 649 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 650 | SvREFCNT_dec(PL_checkav); |
ece599bd | 651 | SvREFCNT_dec(PL_checkav_save); |
3280af22 NIS |
652 | SvREFCNT_dec(PL_initav); |
653 | PL_beginav = Nullav; | |
5a837c8f | 654 | PL_beginav_save = Nullav; |
3280af22 | 655 | PL_endav = Nullav; |
7d30b5c4 | 656 | PL_checkav = Nullav; |
ece599bd | 657 | PL_checkav_save = Nullav; |
3280af22 | 658 | PL_initav = Nullav; |
5618dfe8 | 659 | |
8ebc5c01 | 660 | /* shortcuts just get cleared */ |
3280af22 | 661 | PL_envgv = Nullgv; |
3280af22 NIS |
662 | PL_incgv = Nullgv; |
663 | PL_hintgv = Nullgv; | |
664 | PL_errgv = Nullgv; | |
665 | PL_argvgv = Nullgv; | |
666 | PL_argvoutgv = Nullgv; | |
667 | PL_stdingv = Nullgv; | |
bf49b057 | 668 | PL_stderrgv = Nullgv; |
3280af22 NIS |
669 | PL_last_in_gv = Nullgv; |
670 | PL_replgv = Nullgv; | |
5c831c24 | 671 | PL_debstash = Nullhv; |
8ebc5c01 | 672 | |
673 | /* reset so print() ends up where we expect */ | |
674 | setdefout(Nullgv); | |
5c831c24 | 675 | |
7a1c5554 GS |
676 | SvREFCNT_dec(PL_argvout_stack); |
677 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 678 | |
5c831c24 GS |
679 | SvREFCNT_dec(PL_modglobal); |
680 | PL_modglobal = Nullhv; | |
681 | SvREFCNT_dec(PL_preambleav); | |
682 | PL_preambleav = Nullav; | |
683 | SvREFCNT_dec(PL_subname); | |
684 | PL_subname = Nullsv; | |
685 | SvREFCNT_dec(PL_linestr); | |
686 | PL_linestr = Nullsv; | |
687 | SvREFCNT_dec(PL_pidstatus); | |
688 | PL_pidstatus = Nullhv; | |
689 | SvREFCNT_dec(PL_toptarget); | |
690 | PL_toptarget = Nullsv; | |
691 | SvREFCNT_dec(PL_bodytarget); | |
692 | PL_bodytarget = Nullsv; | |
693 | PL_formtarget = Nullsv; | |
694 | ||
d33b2eba | 695 | /* free locale stuff */ |
b9582b6a | 696 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
697 | Safefree(PL_collation_name); |
698 | PL_collation_name = Nullch; | |
b9582b6a | 699 | #endif |
d33b2eba | 700 | |
b9582b6a | 701 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
702 | Safefree(PL_numeric_name); |
703 | PL_numeric_name = Nullch; | |
a453c169 | 704 | SvREFCNT_dec(PL_numeric_radix_sv); |
b9582b6a | 705 | #endif |
d33b2eba | 706 | |
5c831c24 GS |
707 | /* clear utf8 character classes */ |
708 | SvREFCNT_dec(PL_utf8_alnum); | |
709 | SvREFCNT_dec(PL_utf8_alnumc); | |
710 | SvREFCNT_dec(PL_utf8_ascii); | |
711 | SvREFCNT_dec(PL_utf8_alpha); | |
712 | SvREFCNT_dec(PL_utf8_space); | |
713 | SvREFCNT_dec(PL_utf8_cntrl); | |
714 | SvREFCNT_dec(PL_utf8_graph); | |
715 | SvREFCNT_dec(PL_utf8_digit); | |
716 | SvREFCNT_dec(PL_utf8_upper); | |
717 | SvREFCNT_dec(PL_utf8_lower); | |
718 | SvREFCNT_dec(PL_utf8_print); | |
719 | SvREFCNT_dec(PL_utf8_punct); | |
720 | SvREFCNT_dec(PL_utf8_xdigit); | |
721 | SvREFCNT_dec(PL_utf8_mark); | |
722 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 723 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 724 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 725 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
726 | SvREFCNT_dec(PL_utf8_idstart); |
727 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
728 | PL_utf8_alnum = Nullsv; |
729 | PL_utf8_alnumc = Nullsv; | |
730 | PL_utf8_ascii = Nullsv; | |
731 | PL_utf8_alpha = Nullsv; | |
732 | PL_utf8_space = Nullsv; | |
733 | PL_utf8_cntrl = Nullsv; | |
734 | PL_utf8_graph = Nullsv; | |
735 | PL_utf8_digit = Nullsv; | |
736 | PL_utf8_upper = Nullsv; | |
737 | PL_utf8_lower = Nullsv; | |
738 | PL_utf8_print = Nullsv; | |
739 | PL_utf8_punct = Nullsv; | |
740 | PL_utf8_xdigit = Nullsv; | |
741 | PL_utf8_mark = Nullsv; | |
742 | PL_utf8_toupper = Nullsv; | |
743 | PL_utf8_totitle = Nullsv; | |
744 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 745 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
746 | PL_utf8_idstart = Nullsv; |
747 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 748 | |
971a9dd3 GS |
749 | if (!specialWARN(PL_compiling.cop_warnings)) |
750 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 751 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
752 | if (!specialCopIO(PL_compiling.cop_io)) |
753 | SvREFCNT_dec(PL_compiling.cop_io); | |
754 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
755 | CopFILE_free(&PL_compiling); |
756 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 757 | |
a0d0e21e | 758 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 759 | |
3280af22 NIS |
760 | hv = PL_defstash; |
761 | PL_defstash = 0; | |
a0d0e21e | 762 | SvREFCNT_dec(hv); |
5c831c24 GS |
763 | SvREFCNT_dec(PL_curstname); |
764 | PL_curstname = Nullsv; | |
a0d0e21e | 765 | |
5a844595 GS |
766 | /* clear queued errors */ |
767 | SvREFCNT_dec(PL_errors); | |
768 | PL_errors = Nullsv; | |
769 | ||
a0d0e21e | 770 | FREETMPS; |
0453d815 | 771 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 772 | if (PL_scopestack_ix != 0) |
9014280d | 773 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 774 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
775 | (long)PL_scopestack_ix); |
776 | if (PL_savestack_ix != 0) | |
9014280d | 777 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 778 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
779 | (long)PL_savestack_ix); |
780 | if (PL_tmps_floor != -1) | |
9014280d | 781 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 782 | (long)PL_tmps_floor + 1); |
a0d0e21e | 783 | if (cxstack_ix != -1) |
9014280d | 784 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 785 | (long)cxstack_ix + 1); |
a0d0e21e | 786 | } |
8990e307 LW |
787 | |
788 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 789 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 790 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
791 | |
792 | /* the 2 is for PL_fdpid and PL_strtab */ | |
793 | while (PL_sv_count > 2 && sv_clean_all()) | |
794 | ; | |
795 | ||
d33b2eba GS |
796 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
797 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
798 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
799 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 800 | |
d4777f27 GS |
801 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
802 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
803 | PL_fdpid = Nullav; |
804 | ||
6c644e78 GS |
805 | #ifdef HAVE_INTERP_INTERN |
806 | sys_intern_clear(); | |
807 | #endif | |
808 | ||
6e72f9df | 809 | /* Destruct the global string table. */ |
810 | { | |
811 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
812 | * so that sv_free() won't fail on them. | |
813 | */ | |
814 | I32 riter; | |
815 | I32 max; | |
816 | HE *hent; | |
817 | HE **array; | |
818 | ||
819 | riter = 0; | |
3280af22 NIS |
820 | max = HvMAX(PL_strtab); |
821 | array = HvARRAY(PL_strtab); | |
6e72f9df | 822 | hent = array[0]; |
823 | for (;;) { | |
0453d815 | 824 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
9014280d | 825 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 826 | "Unbalanced string table refcount: (%d) for \"%s\"", |
6e72f9df | 827 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
828 | HeVAL(hent) = Nullsv; | |
829 | hent = HeNEXT(hent); | |
830 | } | |
831 | if (!hent) { | |
832 | if (++riter > max) | |
833 | break; | |
834 | hent = array[riter]; | |
835 | } | |
836 | } | |
837 | } | |
3280af22 | 838 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 839 | |
e652bb2f | 840 | #ifdef USE_ITHREADS |
a0739874 DM |
841 | /* free the pointer table used for cloning */ |
842 | ptr_table_free(PL_ptr_table); | |
53186e96 | 843 | #endif |
a0739874 | 844 | |
d33b2eba GS |
845 | /* free special SVs */ |
846 | ||
847 | SvREFCNT(&PL_sv_yes) = 0; | |
848 | sv_clear(&PL_sv_yes); | |
849 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 850 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
851 | |
852 | SvREFCNT(&PL_sv_no) = 0; | |
853 | sv_clear(&PL_sv_no); | |
854 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 855 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 856 | |
9f375a43 DM |
857 | { |
858 | int i; | |
859 | for (i=0; i<=2; i++) { | |
860 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
861 | sv_clear(PERL_DEBUG_PAD(i)); | |
862 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
863 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
864 | } | |
865 | } | |
866 | ||
0453d815 | 867 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 868 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 869 | |
56a2bab7 | 870 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
871 | /* No more IO - including error messages ! */ |
872 | PerlIO_cleanup(aTHX); | |
873 | #endif | |
874 | ||
9f4bd222 NIS |
875 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
876 | as currently layers use it rather than Nullsv as a marker | |
877 | for no arg - and will try and SvREFCNT_dec it. | |
878 | */ | |
879 | SvREFCNT(&PL_sv_undef) = 0; | |
880 | SvREADONLY_off(&PL_sv_undef); | |
881 | ||
3280af22 | 882 | Safefree(PL_origfilename); |
3280af22 | 883 | Safefree(PL_reg_start_tmp); |
5c5e4c24 IZ |
884 | if (PL_reg_curpm) |
885 | Safefree(PL_reg_curpm); | |
82ba1be6 | 886 | Safefree(PL_reg_poscache); |
3280af22 NIS |
887 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); |
888 | Safefree(PL_op_mask); | |
cf36064f GS |
889 | Safefree(PL_psig_ptr); |
890 | Safefree(PL_psig_name); | |
2c2666fc | 891 | Safefree(PL_bitcount); |
ce08f86c | 892 | Safefree(PL_psig_pend); |
6e72f9df | 893 | nuke_stacks(); |
3280af22 | 894 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 895 | |
a0d0e21e | 896 | DEBUG_P(debprofdump()); |
4d1ff10f | 897 | #ifdef USE_5005THREADS |
5f08fbcd | 898 | MUTEX_DESTROY(&PL_strtab_mutex); |
533c011a NIS |
899 | MUTEX_DESTROY(&PL_sv_mutex); |
900 | MUTEX_DESTROY(&PL_eval_mutex); | |
5ff3f7a4 | 901 | MUTEX_DESTROY(&PL_cred_mutex); |
3d35f11b | 902 | MUTEX_DESTROY(&PL_fdpid_mutex); |
533c011a | 903 | COND_DESTROY(&PL_eval_cond); |
11d617a5 GS |
904 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
905 | MUTEX_DESTROY(&PL_svref_mutex); | |
906 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
fc36a67e | 907 | |
8023c3ce | 908 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
533c011a NIS |
909 | Safefree(SvPVX(PL_thrsv)); |
910 | Safefree(SvANY(PL_thrsv)); | |
911 | Safefree(PL_thrsv); | |
912 | PL_thrsv = Nullsv; | |
4d1ff10f | 913 | #endif /* USE_5005THREADS */ |
d33b2eba | 914 | |
e5dd39fc | 915 | #ifdef USE_REENTRANT_API |
10bc17b6 | 916 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
917 | #endif |
918 | ||
612f20c3 GS |
919 | sv_free_arenas(); |
920 | ||
fc36a67e | 921 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
922 | ||
3280af22 | 923 | if (PL_mess_sv) { |
9c63abab GS |
924 | /* it could have accumulated taint magic */ |
925 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
926 | MAGIC* mg; | |
927 | MAGIC* moremagic; | |
928 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
929 | moremagic = mg->mg_moremagic; | |
14befaf4 DM |
930 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global |
931 | && mg->mg_len >= 0) | |
9c63abab GS |
932 | Safefree(mg->mg_ptr); |
933 | Safefree(mg); | |
934 | } | |
935 | } | |
fc36a67e | 936 | /* we know that type >= SVt_PV */ |
155aba94 | 937 | (void)SvOOK_off(PL_mess_sv); |
3280af22 NIS |
938 | Safefree(SvPVX(PL_mess_sv)); |
939 | Safefree(SvANY(PL_mess_sv)); | |
940 | Safefree(PL_mess_sv); | |
941 | PL_mess_sv = Nullsv; | |
fc36a67e | 942 | } |
31d77e54 | 943 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
944 | } |
945 | ||
954c1994 GS |
946 | /* |
947 | =for apidoc perl_free | |
948 | ||
949 | Releases a Perl interpreter. See L<perlembed>. | |
950 | ||
951 | =cut | |
952 | */ | |
953 | ||
79072805 | 954 | void |
0cb96387 | 955 | perl_free(pTHXx) |
79072805 | 956 | { |
acfe0abc | 957 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 958 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
959 | # ifdef NETWARE |
960 | void *host = nw_internal_host; | |
961 | # else | |
962 | void *host = w32_internal_host; | |
963 | # endif | |
ce3e5b80 | 964 | PerlMem_free(aTHXx); |
acfe0abc | 965 | # ifdef NETWARE |
011f1a1a | 966 | nw_delete_internal_host(host); |
acfe0abc GS |
967 | # else |
968 | win32_delete_internal_host(host); | |
969 | # endif | |
1c0ca838 GS |
970 | # else |
971 | PerlMem_free(aTHXx); | |
972 | # endif | |
acfe0abc GS |
973 | #else |
974 | PerlMem_free(aTHXx); | |
76e3520e | 975 | #endif |
79072805 LW |
976 | } |
977 | ||
4b556e6c | 978 | void |
864dbfa3 | 979 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 980 | { |
3280af22 NIS |
981 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
982 | PL_exitlist[PL_exitlistlen].fn = fn; | |
983 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
984 | ++PL_exitlistlen; | |
4b556e6c JD |
985 | } |
986 | ||
954c1994 GS |
987 | /* |
988 | =for apidoc perl_parse | |
989 | ||
990 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
991 | ||
992 | =cut | |
993 | */ | |
994 | ||
79072805 | 995 | int |
0cb96387 | 996 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 997 | { |
6224f72b | 998 | I32 oldscope; |
6224f72b | 999 | int ret; |
db36c5a1 | 1000 | dJMPENV; |
4d1ff10f | 1001 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
1002 | dTHX; |
1003 | #endif | |
8d063cd8 | 1004 | |
a687059c LW |
1005 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
1006 | #ifdef IAMSUID | |
1007 | #undef IAMSUID | |
cea2e8a9 | 1008 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
1009 | setuid perl scripts securely.\n"); |
1010 | #endif | |
1011 | #endif | |
1012 | ||
3280af22 | 1013 | PL_origargc = argc; |
bc0a45ed DM |
1014 | { |
1015 | /* we copy rather than point to argv | |
1016 | * since perl_clone will copy and perl_destruct | |
3a1ee7e8 | 1017 | * has no way of knowing if we've made a copy or |
bc0a45ed DM |
1018 | * just point to argv |
1019 | */ | |
1020 | int i = PL_origargc; | |
1021 | New(0, PL_origargv, i+1, char*); | |
1022 | PL_origargv[i] = '\0'; | |
1023 | while (i-- > 0) { | |
1024 | PL_origargv[i] = savepv(argv[i]); | |
1025 | } | |
1026 | } | |
1027 | ||
0631ea03 | 1028 | |
a0d0e21e | 1029 | |
3280af22 | 1030 | if (PL_do_undump) { |
a0d0e21e LW |
1031 | |
1032 | /* Come here if running an undumped a.out. */ | |
1033 | ||
3280af22 NIS |
1034 | PL_origfilename = savepv(argv[0]); |
1035 | PL_do_undump = FALSE; | |
a0d0e21e | 1036 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1037 | init_ids(); |
a0d0e21e LW |
1038 | init_postdump_symbols(argc,argv,env); |
1039 | return 0; | |
1040 | } | |
1041 | ||
3280af22 NIS |
1042 | if (PL_main_root) { |
1043 | PL_curpad = AvARRAY(PL_comppad); | |
1044 | op_free(PL_main_root); | |
1045 | PL_main_root = Nullop; | |
ff0cee69 | 1046 | } |
3280af22 NIS |
1047 | PL_main_start = Nullop; |
1048 | SvREFCNT_dec(PL_main_cv); | |
1049 | PL_main_cv = Nullcv; | |
79072805 | 1050 | |
3280af22 NIS |
1051 | time(&PL_basetime); |
1052 | oldscope = PL_scopestack_ix; | |
599cee73 | 1053 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1054 | |
14dd3ad8 GS |
1055 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1056 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
1057 | #else | |
1058 | JMPENV_PUSH(ret); | |
1059 | #endif | |
6224f72b | 1060 | switch (ret) { |
312caa8e | 1061 | case 0: |
14dd3ad8 GS |
1062 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1063 | parse_body(env,xsinit); | |
1064 | #endif | |
7d30b5c4 GS |
1065 | if (PL_checkav) |
1066 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1067 | ret = 0; |
1068 | break; | |
6224f72b GS |
1069 | case 1: |
1070 | STATUS_ALL_FAILURE; | |
1071 | /* FALL THROUGH */ | |
1072 | case 2: | |
1073 | /* my_exit() was called */ | |
3280af22 | 1074 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1075 | LEAVE; |
1076 | FREETMPS; | |
3280af22 | 1077 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
1078 | if (PL_checkav) |
1079 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1080 | ret = STATUS_NATIVE_EXPORT; |
1081 | break; | |
6224f72b | 1082 | case 3: |
bf49b057 | 1083 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1084 | ret = 1; |
1085 | break; | |
6224f72b | 1086 | } |
14dd3ad8 GS |
1087 | JMPENV_POP; |
1088 | return ret; | |
1089 | } | |
1090 | ||
1091 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
1092 | STATIC void * | |
1093 | S_vparse_body(pTHX_ va_list args) | |
1094 | { | |
1095 | char **env = va_arg(args, char**); | |
1096 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
1097 | ||
1098 | return parse_body(env, xsinit); | |
312caa8e | 1099 | } |
14dd3ad8 | 1100 | #endif |
312caa8e CS |
1101 | |
1102 | STATIC void * | |
14dd3ad8 | 1103 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1104 | { |
312caa8e CS |
1105 | int argc = PL_origargc; |
1106 | char **argv = PL_origargv; | |
312caa8e CS |
1107 | char *scriptname = NULL; |
1108 | int fdscript = -1; | |
1109 | VOL bool dosearch = FALSE; | |
1110 | char *validarg = ""; | |
1111 | AV* comppadlist; | |
1112 | register SV *sv; | |
1113 | register char *s; | |
cf756827 | 1114 | char *cddir = Nullch; |
312caa8e | 1115 | |
3280af22 | 1116 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 1117 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
1118 | SAVEFREESV(sv); |
1119 | init_main_stash(); | |
54310121 | 1120 | |
6224f72b GS |
1121 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1122 | if (argv[0][0] != '-' || !argv[0][1]) | |
1123 | break; | |
1124 | #ifdef DOSUID | |
1125 | if (*validarg) | |
1126 | validarg = " PHOOEY "; | |
1127 | else | |
1128 | validarg = argv[0]; | |
13281fa4 | 1129 | #endif |
6224f72b GS |
1130 | s = argv[0]+1; |
1131 | reswitch: | |
1132 | switch (*s) { | |
729a02f2 GS |
1133 | case 'C': |
1134 | #ifdef WIN32 | |
c0932edc | 1135 | win32_argv2utf8(argc-1, argv+1); |
729a02f2 GS |
1136 | /* FALL THROUGH */ |
1137 | #endif | |
1d5472a9 GS |
1138 | #ifndef PERL_STRICT_CR |
1139 | case '\r': | |
1140 | #endif | |
6224f72b GS |
1141 | case ' ': |
1142 | case '0': | |
1143 | case 'F': | |
1144 | case 'a': | |
1145 | case 'c': | |
1146 | case 'd': | |
1147 | case 'D': | |
1148 | case 'h': | |
1149 | case 'i': | |
1150 | case 'l': | |
1151 | case 'M': | |
1152 | case 'm': | |
1153 | case 'n': | |
1154 | case 'p': | |
1155 | case 's': | |
1156 | case 'u': | |
1157 | case 'U': | |
1158 | case 'v': | |
599cee73 PM |
1159 | case 'W': |
1160 | case 'X': | |
6224f72b | 1161 | case 'w': |
155aba94 | 1162 | if ((s = moreswitches(s))) |
6224f72b GS |
1163 | goto reswitch; |
1164 | break; | |
33b78306 | 1165 | |
1dbad523 | 1166 | case 't': |
317ea90d MS |
1167 | if( !PL_tainting ) { |
1168 | PL_taint_warn = TRUE; | |
1169 | PL_tainting = TRUE; | |
1170 | } | |
1171 | s++; | |
1172 | goto reswitch; | |
6224f72b | 1173 | case 'T': |
3280af22 | 1174 | PL_tainting = TRUE; |
317ea90d | 1175 | PL_taint_warn = FALSE; |
6224f72b GS |
1176 | s++; |
1177 | goto reswitch; | |
f86702cc | 1178 | |
6224f72b | 1179 | case 'e': |
bf4acbe4 GS |
1180 | #ifdef MACOS_TRADITIONAL |
1181 | /* ignore -e for Dev:Pseudo argument */ | |
1182 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1183 | break; |
bf4acbe4 | 1184 | #endif |
3280af22 | 1185 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 1186 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 1187 | if (!PL_e_script) { |
79cb57f6 | 1188 | PL_e_script = newSVpvn("",0); |
0cb96387 | 1189 | filter_add(read_e_script, NULL); |
6224f72b GS |
1190 | } |
1191 | if (*++s) | |
3280af22 | 1192 | sv_catpv(PL_e_script, s); |
6224f72b | 1193 | else if (argv[1]) { |
3280af22 | 1194 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1195 | argc--,argv++; |
1196 | } | |
1197 | else | |
cea2e8a9 | 1198 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 1199 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 1200 | break; |
afe37c7d | 1201 | |
6224f72b GS |
1202 | case 'I': /* -I handled both here and in moreswitches() */ |
1203 | forbid_setid("-I"); | |
1204 | if (!*++s && (s=argv[1]) != Nullch) { | |
1205 | argc--,argv++; | |
1206 | } | |
6224f72b | 1207 | if (s && *s) { |
0df16ed7 GS |
1208 | char *p; |
1209 | STRLEN len = strlen(s); | |
1210 | p = savepvn(s, len); | |
9c8a64f0 | 1211 | incpush(p, TRUE, TRUE); |
0df16ed7 GS |
1212 | sv_catpvn(sv, "-I", 2); |
1213 | sv_catpvn(sv, p, len); | |
1214 | sv_catpvn(sv, " ", 1); | |
6224f72b | 1215 | Safefree(p); |
0df16ed7 GS |
1216 | } |
1217 | else | |
a67e862a | 1218 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1219 | break; |
1220 | case 'P': | |
1221 | forbid_setid("-P"); | |
3280af22 | 1222 | PL_preprocess = TRUE; |
6224f72b GS |
1223 | s++; |
1224 | goto reswitch; | |
1225 | case 'S': | |
1226 | forbid_setid("-S"); | |
1227 | dosearch = TRUE; | |
1228 | s++; | |
1229 | goto reswitch; | |
1230 | case 'V': | |
3280af22 NIS |
1231 | if (!PL_preambleav) |
1232 | PL_preambleav = newAV(); | |
1233 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1234 | if (*++s != ':') { |
3280af22 | 1235 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1236 | #ifdef VMS |
6b88bc9c | 1237 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1238 | #else |
3280af22 | 1239 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1240 | #endif |
3280af22 | 1241 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1242 | # ifdef DEBUGGING |
3280af22 | 1243 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1244 | # endif |
6224f72b | 1245 | # ifdef MULTIPLICITY |
8f872242 | 1246 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1247 | # endif |
4d1ff10f AB |
1248 | # ifdef USE_5005THREADS |
1249 | sv_catpv(PL_Sv," USE_5005THREADS"); | |
b363f7ed | 1250 | # endif |
ac5e8965 JH |
1251 | # ifdef USE_ITHREADS |
1252 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1253 | # endif | |
10cc9d2a JH |
1254 | # ifdef USE_64_BIT_INT |
1255 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1256 | # endif | |
1257 | # ifdef USE_64_BIT_ALL | |
1258 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1259 | # endif |
1260 | # ifdef USE_LONG_DOUBLE | |
1261 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1262 | # endif | |
53430762 JH |
1263 | # ifdef USE_LARGE_FILES |
1264 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1265 | # endif | |
ac5e8965 JH |
1266 | # ifdef USE_SOCKS |
1267 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1268 | # endif | |
b363f7ed GS |
1269 | # ifdef PERL_IMPLICIT_CONTEXT |
1270 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1271 | # endif | |
1272 | # ifdef PERL_IMPLICIT_SYS | |
1273 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1274 | # endif | |
3280af22 | 1275 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1276 | |
6224f72b GS |
1277 | #if defined(LOCAL_PATCH_COUNT) |
1278 | if (LOCAL_PATCH_COUNT > 0) { | |
1279 | int i; | |
3280af22 | 1280 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1281 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1282 | if (PL_localpatches[i]) |
cea2e8a9 | 1283 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1284 | } |
1285 | } | |
1286 | #endif | |
cea2e8a9 | 1287 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1288 | #ifdef __DATE__ |
1289 | # ifdef __TIME__ | |
cea2e8a9 | 1290 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1291 | # else |
cea2e8a9 | 1292 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1293 | # endif |
1294 | #endif | |
3280af22 | 1295 | sv_catpv(PL_Sv, "; \ |
6224f72b | 1296 | $\"=\"\\n \"; \ |
69fcd688 JH |
1297 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; "); |
1298 | #ifdef __CYGWIN__ | |
1299 | sv_catpv(PL_Sv,"\ | |
1300 | push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); | |
1301 | #endif | |
1302 | sv_catpv(PL_Sv, "\ | |
6224f72b GS |
1303 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
1304 | print \" \\@INC:\\n @INC\\n\";"); | |
1305 | } | |
1306 | else { | |
3280af22 NIS |
1307 | PL_Sv = newSVpv("config_vars(qw(",0); |
1308 | sv_catpv(PL_Sv, ++s); | |
1309 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1310 | s += strlen(s); |
1311 | } | |
3280af22 | 1312 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1313 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1314 | goto reswitch; | |
1315 | case 'x': | |
3280af22 | 1316 | PL_doextract = TRUE; |
6224f72b GS |
1317 | s++; |
1318 | if (*s) | |
f4c556ac | 1319 | cddir = s; |
6224f72b GS |
1320 | break; |
1321 | case 0: | |
1322 | break; | |
1323 | case '-': | |
1324 | if (!*++s || isSPACE(*s)) { | |
1325 | argc--,argv++; | |
1326 | goto switch_end; | |
1327 | } | |
1328 | /* catch use of gnu style long options */ | |
1329 | if (strEQ(s, "version")) { | |
1330 | s = "v"; | |
1331 | goto reswitch; | |
1332 | } | |
1333 | if (strEQ(s, "help")) { | |
1334 | s = "h"; | |
1335 | goto reswitch; | |
1336 | } | |
1337 | s--; | |
1338 | /* FALL THROUGH */ | |
1339 | default: | |
cea2e8a9 | 1340 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1341 | } |
1342 | } | |
6224f72b | 1343 | switch_end: |
54310121 | 1344 | |
f675dbe5 CB |
1345 | if ( |
1346 | #ifndef SECURE_INTERNAL_GETENV | |
1347 | !PL_tainting && | |
1348 | #endif | |
cf756827 | 1349 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1350 | { |
cf756827 | 1351 | char *popt = s; |
74288ac8 GS |
1352 | while (isSPACE(*s)) |
1353 | s++; | |
317ea90d | 1354 | if (*s == '-' && *(s+1) == 'T') { |
74288ac8 | 1355 | PL_tainting = TRUE; |
317ea90d MS |
1356 | PL_taint_warn = FALSE; |
1357 | } | |
74288ac8 | 1358 | else { |
cf756827 | 1359 | char *popt_copy = Nullch; |
74288ac8 | 1360 | while (s && *s) { |
4ea8f8fb | 1361 | char *d; |
74288ac8 GS |
1362 | while (isSPACE(*s)) |
1363 | s++; | |
1364 | if (*s == '-') { | |
1365 | s++; | |
1366 | if (isSPACE(*s)) | |
1367 | continue; | |
1368 | } | |
4ea8f8fb | 1369 | d = s; |
74288ac8 GS |
1370 | if (!*s) |
1371 | break; | |
1c4db469 | 1372 | if (!strchr("DIMUdmtw", *s)) |
cea2e8a9 | 1373 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1374 | while (++s && *s) { |
1375 | if (isSPACE(*s)) { | |
cf756827 GS |
1376 | if (!popt_copy) { |
1377 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1378 | s = popt_copy + (s - popt); | |
1379 | d = popt_copy + (d - popt); | |
1380 | } | |
4ea8f8fb MS |
1381 | *s++ = '\0'; |
1382 | break; | |
1383 | } | |
1384 | } | |
1c4db469 | 1385 | if (*d == 't') { |
317ea90d MS |
1386 | if( !PL_tainting ) { |
1387 | PL_taint_warn = TRUE; | |
1388 | PL_tainting = TRUE; | |
1389 | } | |
1c4db469 RGS |
1390 | } else { |
1391 | moreswitches(d); | |
1392 | } | |
6224f72b | 1393 | } |
6224f72b GS |
1394 | } |
1395 | } | |
a0d0e21e | 1396 | |
317ea90d MS |
1397 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
1398 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
1399 | } | |
1400 | ||
6224f72b GS |
1401 | if (!scriptname) |
1402 | scriptname = argv[0]; | |
3280af22 | 1403 | if (PL_e_script) { |
6224f72b GS |
1404 | argc++,argv--; |
1405 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1406 | } | |
1407 | else if (scriptname == Nullch) { | |
1408 | #ifdef MSDOS | |
1409 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1410 | moreswitches("h"); | |
1411 | #endif | |
1412 | scriptname = "-"; | |
1413 | } | |
1414 | ||
1415 | init_perllib(); | |
1416 | ||
1417 | open_script(scriptname,dosearch,sv,&fdscript); | |
1418 | ||
1419 | validate_suid(validarg, scriptname,fdscript); | |
1420 | ||
64ca3a65 | 1421 | #ifndef PERL_MICRO |
0b5b802d GS |
1422 | #if defined(SIGCHLD) || defined(SIGCLD) |
1423 | { | |
1424 | #ifndef SIGCHLD | |
1425 | # define SIGCHLD SIGCLD | |
1426 | #endif | |
1427 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1428 | if (sigstate == SIG_IGN) { | |
1429 | if (ckWARN(WARN_SIGNAL)) | |
9014280d | 1430 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
1431 | "Can't ignore signal CHLD, forcing to default"); |
1432 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1433 | } | |
1434 | } | |
1435 | #endif | |
64ca3a65 | 1436 | #endif |
0b5b802d | 1437 | |
bf4acbe4 GS |
1438 | #ifdef MACOS_TRADITIONAL |
1439 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
1440 | #else | |
f4c556ac | 1441 | if (PL_doextract) { |
bf4acbe4 | 1442 | #endif |
6224f72b | 1443 | find_beginning(); |
f4c556ac GS |
1444 | if (cddir && PerlDir_chdir(cddir) < 0) |
1445 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1446 | ||
1447 | } | |
6224f72b | 1448 | |
3280af22 NIS |
1449 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1450 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1451 | CvUNIQUE_on(PL_compcv); | |
1452 | ||
1453 | PL_comppad = newAV(); | |
1454 | av_push(PL_comppad, Nullsv); | |
1455 | PL_curpad = AvARRAY(PL_comppad); | |
1456 | PL_comppad_name = newAV(); | |
1457 | PL_comppad_name_fill = 0; | |
1458 | PL_min_intro_pending = 0; | |
1459 | PL_padix = 0; | |
4d1ff10f | 1460 | #ifdef USE_5005THREADS |
79cb57f6 | 1461 | av_store(PL_comppad_name, 0, newSVpvn("@_", 2)); |
533c011a NIS |
1462 | PL_curpad[0] = (SV*)newAV(); |
1463 | SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ | |
1464 | CvOWNER(PL_compcv) = 0; | |
1465 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1466 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
4d1ff10f | 1467 | #endif /* USE_5005THREADS */ |
6224f72b GS |
1468 | |
1469 | comppadlist = newAV(); | |
1470 | AvREAL_off(comppadlist); | |
3280af22 NIS |
1471 | av_store(comppadlist, 0, (SV*)PL_comppad_name); |
1472 | av_store(comppadlist, 1, (SV*)PL_comppad); | |
1473 | CvPADLIST(PL_compcv) = comppadlist; | |
6224f72b | 1474 | |
0c4f7ff0 | 1475 | boot_core_PerlIO(); |
6224f72b | 1476 | boot_core_UNIVERSAL(); |
9a34ef1d | 1477 | #ifndef PERL_MICRO |
09bef843 | 1478 | boot_core_xsutils(); |
9a34ef1d | 1479 | #endif |
6224f72b GS |
1480 | |
1481 | if (xsinit) | |
acfe0abc | 1482 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 1483 | #ifndef PERL_MICRO |
ed79a026 | 1484 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) |
c5be433b | 1485 | init_os_extras(); |
6224f72b | 1486 | #endif |
64ca3a65 | 1487 | #endif |
6224f72b | 1488 | |
29209bc5 | 1489 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
1490 | # ifdef HAS_SOCKS5_INIT |
1491 | socks5_init(argv[0]); | |
1492 | # else | |
29209bc5 | 1493 | SOCKSinit(argv[0]); |
1b9c9cf5 | 1494 | # endif |
ac27b0f5 | 1495 | #endif |
29209bc5 | 1496 | |
6224f72b GS |
1497 | init_predump_symbols(); |
1498 | /* init_postdump_symbols not currently designed to be called */ | |
1499 | /* more than once (ENV isn't cleared first, for example) */ | |
1500 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1501 | if (!PL_do_undump) |
6224f72b GS |
1502 | init_postdump_symbols(argc,argv,env); |
1503 | ||
085a54d9 JH |
1504 | /* PL_wantutf8 is conditionally turned on by |
1505 | * locale.c:Perl_init_i18nl10n() if the environment | |
1506 | * look like the user wants to use UTF-8. */ | |
b310b053 JH |
1507 | if (PL_wantutf8) { /* Requires init_predump_symbols(). */ |
1508 | IO* io; | |
1509 | PerlIO* fp; | |
1510 | SV* sv; | |
085a54d9 JH |
1511 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
1512 | * _and_ the default open discipline. */ | |
b310b053 JH |
1513 | if (PL_stdingv && (io = GvIO(PL_stdingv)) && (fp = IoIFP(io))) |
1514 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1515 | if (PL_defoutgv && (io = GvIO(PL_defoutgv)) && (fp = IoOFP(io))) | |
1516 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1517 | if (PL_stderrgv && (io = GvIO(PL_stderrgv)) && (fp = IoOFP(io))) | |
1518 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1519 | if ((sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) { | |
1520 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
1521 | SvSETMAGIC(sv); | |
1522 | } | |
1523 | } | |
1524 | ||
6224f72b GS |
1525 | init_lexer(); |
1526 | ||
1527 | /* now parse the script */ | |
1528 | ||
91487cfc | 1529 | SETERRNO(0,SS$_NORMAL); |
3280af22 | 1530 | PL_error_count = 0; |
bf4acbe4 GS |
1531 | #ifdef MACOS_TRADITIONAL |
1532 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
1533 | if (PL_minus_c) | |
1534 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
1535 | else { | |
1536 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
1537 | MacPerl_MPWFileName(PL_origfilename)); | |
1538 | } | |
1539 | } | |
1540 | #else | |
3280af22 NIS |
1541 | if (yyparse() || PL_error_count) { |
1542 | if (PL_minus_c) | |
cea2e8a9 | 1543 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1544 | else { |
cea2e8a9 | 1545 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1546 | PL_origfilename); |
6224f72b GS |
1547 | } |
1548 | } | |
bf4acbe4 | 1549 | #endif |
57843af0 | 1550 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1551 | PL_curstash = PL_defstash; |
1552 | PL_preprocess = FALSE; | |
1553 | if (PL_e_script) { | |
1554 | SvREFCNT_dec(PL_e_script); | |
1555 | PL_e_script = Nullsv; | |
6224f72b GS |
1556 | } |
1557 | ||
8bfdd7d9 HS |
1558 | /* |
1559 | Not sure that this is still the right place to do this now that we | |
1560 | no longer use PL_nrs. HVDS 2001/09/09 | |
1561 | */ | |
864dbfa3 | 1562 | sv_setsv(get_sv("/", TRUE), PL_rs); |
8bfdd7d9 | 1563 | |
3280af22 | 1564 | if (PL_do_undump) |
6224f72b GS |
1565 | my_unexec(); |
1566 | ||
57843af0 GS |
1567 | if (isWARN_ONCE) { |
1568 | SAVECOPFILE(PL_curcop); | |
1569 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1570 | gv_check(PL_defstash); |
57843af0 | 1571 | } |
6224f72b GS |
1572 | |
1573 | LEAVE; | |
1574 | FREETMPS; | |
1575 | ||
1576 | #ifdef MYMALLOC | |
1577 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1578 | dump_mstats("after compilation:"); | |
1579 | #endif | |
1580 | ||
1581 | ENTER; | |
3280af22 | 1582 | PL_restartop = 0; |
312caa8e | 1583 | return NULL; |
6224f72b GS |
1584 | } |
1585 | ||
954c1994 GS |
1586 | /* |
1587 | =for apidoc perl_run | |
1588 | ||
1589 | Tells a Perl interpreter to run. See L<perlembed>. | |
1590 | ||
1591 | =cut | |
1592 | */ | |
1593 | ||
6224f72b | 1594 | int |
0cb96387 | 1595 | perl_run(pTHXx) |
6224f72b | 1596 | { |
6224f72b | 1597 | I32 oldscope; |
14dd3ad8 | 1598 | int ret = 0; |
db36c5a1 | 1599 | dJMPENV; |
4d1ff10f | 1600 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
1601 | dTHX; |
1602 | #endif | |
6224f72b | 1603 | |
3280af22 | 1604 | oldscope = PL_scopestack_ix; |
96e176bf CL |
1605 | #ifdef VMS |
1606 | VMSISH_HUSHED = 0; | |
1607 | #endif | |
6224f72b | 1608 | |
14dd3ad8 | 1609 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1610 | redo_body: |
14dd3ad8 GS |
1611 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1612 | #else | |
1613 | JMPENV_PUSH(ret); | |
1614 | #endif | |
6224f72b GS |
1615 | switch (ret) { |
1616 | case 1: | |
1617 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1618 | goto redo_body; |
14dd3ad8 GS |
1619 | case 0: /* normal completion */ |
1620 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1621 | redo_body: | |
1622 | run_body(oldscope); | |
1623 | #endif | |
1624 | /* FALL THROUGH */ | |
1625 | case 2: /* my_exit() */ | |
3280af22 | 1626 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1627 | LEAVE; |
1628 | FREETMPS; | |
3280af22 | 1629 | PL_curstash = PL_defstash; |
3a1ee7e8 | 1630 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
1631 | PL_endav && !PL_minus_c) |
1632 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1633 | #ifdef MYMALLOC |
1634 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1635 | dump_mstats("after execution: "); | |
1636 | #endif | |
14dd3ad8 GS |
1637 | ret = STATUS_NATIVE_EXPORT; |
1638 | break; | |
6224f72b | 1639 | case 3: |
312caa8e CS |
1640 | if (PL_restartop) { |
1641 | POPSTACK_TO(PL_mainstack); | |
1642 | goto redo_body; | |
6224f72b | 1643 | } |
bf49b057 | 1644 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1645 | FREETMPS; |
14dd3ad8 GS |
1646 | ret = 1; |
1647 | break; | |
6224f72b GS |
1648 | } |
1649 | ||
14dd3ad8 GS |
1650 | JMPENV_POP; |
1651 | return ret; | |
312caa8e CS |
1652 | } |
1653 | ||
14dd3ad8 | 1654 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1655 | STATIC void * |
14dd3ad8 | 1656 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1657 | { |
312caa8e CS |
1658 | I32 oldscope = va_arg(args, I32); |
1659 | ||
14dd3ad8 GS |
1660 | return run_body(oldscope); |
1661 | } | |
1662 | #endif | |
1663 | ||
1664 | ||
1665 | STATIC void * | |
1666 | S_run_body(pTHX_ I32 oldscope) | |
1667 | { | |
6224f72b | 1668 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1669 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1670 | |
3280af22 | 1671 | if (!PL_restartop) { |
6224f72b GS |
1672 | DEBUG_x(dump_all()); |
1673 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1674 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1675 | PTR2UV(thr))); | |
6224f72b | 1676 | |
3280af22 | 1677 | if (PL_minus_c) { |
bf4acbe4 | 1678 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
1679 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
1680 | (gMacPerl_ErrorFormat ? "# " : ""), | |
1681 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 1682 | #else |
bf49b057 | 1683 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 1684 | #endif |
6224f72b GS |
1685 | my_exit(0); |
1686 | } | |
3280af22 | 1687 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 1688 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1689 | if (PL_initav) |
1690 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1691 | } |
1692 | ||
1693 | /* do it */ | |
1694 | ||
3280af22 | 1695 | if (PL_restartop) { |
533c011a | 1696 | PL_op = PL_restartop; |
3280af22 | 1697 | PL_restartop = 0; |
cea2e8a9 | 1698 | CALLRUNOPS(aTHX); |
6224f72b | 1699 | } |
3280af22 NIS |
1700 | else if (PL_main_start) { |
1701 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1702 | PL_op = PL_main_start; |
cea2e8a9 | 1703 | CALLRUNOPS(aTHX); |
6224f72b GS |
1704 | } |
1705 | ||
f6b3007c JH |
1706 | my_exit(0); |
1707 | /* NOTREACHED */ | |
312caa8e | 1708 | return NULL; |
6224f72b GS |
1709 | } |
1710 | ||
954c1994 | 1711 | /* |
ccfc67b7 JH |
1712 | =head1 SV Manipulation Functions |
1713 | ||
954c1994 GS |
1714 | =for apidoc p||get_sv |
1715 | ||
1716 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1717 | Perl variable does not exist then it will be created. If C<create> is not | |
1718 | set and the variable does not exist then NULL is returned. | |
1719 | ||
1720 | =cut | |
1721 | */ | |
1722 | ||
6224f72b | 1723 | SV* |
864dbfa3 | 1724 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1725 | { |
1726 | GV *gv; | |
4d1ff10f | 1727 | #ifdef USE_5005THREADS |
6224f72b GS |
1728 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1729 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 1730 | if (tmp != NOT_IN_PAD) |
6224f72b | 1731 | return THREADSV(tmp); |
6224f72b | 1732 | } |
4d1ff10f | 1733 | #endif /* USE_5005THREADS */ |
6224f72b GS |
1734 | gv = gv_fetchpv(name, create, SVt_PV); |
1735 | if (gv) | |
1736 | return GvSV(gv); | |
1737 | return Nullsv; | |
1738 | } | |
1739 | ||
954c1994 | 1740 | /* |
ccfc67b7 JH |
1741 | =head1 Array Manipulation Functions |
1742 | ||
954c1994 GS |
1743 | =for apidoc p||get_av |
1744 | ||
1745 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1746 | Perl variable does not exist then it will be created. If C<create> is not | |
1747 | set and the variable does not exist then NULL is returned. | |
1748 | ||
1749 | =cut | |
1750 | */ | |
1751 | ||
6224f72b | 1752 | AV* |
864dbfa3 | 1753 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1754 | { |
1755 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1756 | if (create) | |
1757 | return GvAVn(gv); | |
1758 | if (gv) | |
1759 | return GvAV(gv); | |
1760 | return Nullav; | |
1761 | } | |
1762 | ||
954c1994 | 1763 | /* |
ccfc67b7 JH |
1764 | =head1 Hash Manipulation Functions |
1765 | ||
954c1994 GS |
1766 | =for apidoc p||get_hv |
1767 | ||
1768 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1769 | Perl variable does not exist then it will be created. If C<create> is not | |
1770 | set and the variable does not exist then NULL is returned. | |
1771 | ||
1772 | =cut | |
1773 | */ | |
1774 | ||
6224f72b | 1775 | HV* |
864dbfa3 | 1776 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1777 | { |
a0d0e21e LW |
1778 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1779 | if (create) | |
1780 | return GvHVn(gv); | |
1781 | if (gv) | |
1782 | return GvHV(gv); | |
1783 | return Nullhv; | |
1784 | } | |
1785 | ||
954c1994 | 1786 | /* |
ccfc67b7 JH |
1787 | =head1 CV Manipulation Functions |
1788 | ||
954c1994 GS |
1789 | =for apidoc p||get_cv |
1790 | ||
1791 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1792 | the Perl subroutine does not exist then it will be declared (which has the | |
1793 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1794 | subroutine does not exist then NULL is returned. | |
1795 | ||
1796 | =cut | |
1797 | */ | |
1798 | ||
a0d0e21e | 1799 | CV* |
864dbfa3 | 1800 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1801 | { |
1802 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1803 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1804 | /* XXX this is probably not what they think they're getting. |
1805 | * It has the same effect as "sub name;", i.e. just a forward | |
1806 | * declaration! */ | |
8ebc5c01 | 1807 | if (create && !GvCVu(gv)) |
774d564b | 1808 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1809 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1810 | Nullop, |
a0d0e21e LW |
1811 | Nullop); |
1812 | if (gv) | |
8ebc5c01 | 1813 | return GvCVu(gv); |
a0d0e21e LW |
1814 | return Nullcv; |
1815 | } | |
1816 | ||
79072805 LW |
1817 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1818 | ||
954c1994 | 1819 | /* |
ccfc67b7 JH |
1820 | |
1821 | =head1 Callback Functions | |
1822 | ||
954c1994 GS |
1823 | =for apidoc p||call_argv |
1824 | ||
1825 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1826 | ||
1827 | =cut | |
1828 | */ | |
1829 | ||
a0d0e21e | 1830 | I32 |
864dbfa3 | 1831 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 1832 | |
8ac85365 NIS |
1833 | /* See G_* flags in cop.h */ |
1834 | /* null terminated arg list */ | |
8990e307 | 1835 | { |
a0d0e21e | 1836 | dSP; |
8990e307 | 1837 | |
924508f0 | 1838 | PUSHMARK(SP); |
a0d0e21e | 1839 | if (argv) { |
8990e307 | 1840 | while (*argv) { |
a0d0e21e | 1841 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1842 | argv++; |
1843 | } | |
a0d0e21e | 1844 | PUTBACK; |
8990e307 | 1845 | } |
864dbfa3 | 1846 | return call_pv(sub_name, flags); |
8990e307 LW |
1847 | } |
1848 | ||
954c1994 GS |
1849 | /* |
1850 | =for apidoc p||call_pv | |
1851 | ||
1852 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1853 | ||
1854 | =cut | |
1855 | */ | |
1856 | ||
a0d0e21e | 1857 | I32 |
864dbfa3 | 1858 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1859 | /* name of the subroutine */ |
1860 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1861 | { |
864dbfa3 | 1862 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1863 | } |
1864 | ||
954c1994 GS |
1865 | /* |
1866 | =for apidoc p||call_method | |
1867 | ||
1868 | Performs a callback to the specified Perl method. The blessed object must | |
1869 | be on the stack. See L<perlcall>. | |
1870 | ||
1871 | =cut | |
1872 | */ | |
1873 | ||
a0d0e21e | 1874 | I32 |
864dbfa3 | 1875 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1876 | /* name of the subroutine */ |
1877 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1878 | { |
968b3946 | 1879 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
1880 | } |
1881 | ||
1882 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1883 | /* |
1884 | =for apidoc p||call_sv | |
1885 | ||
1886 | Performs a callback to the Perl sub whose name is in the SV. See | |
1887 | L<perlcall>. | |
1888 | ||
1889 | =cut | |
1890 | */ | |
1891 | ||
a0d0e21e | 1892 | I32 |
864dbfa3 | 1893 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 1894 | /* See G_* flags in cop.h */ |
a0d0e21e | 1895 | { |
924508f0 | 1896 | dSP; |
a0d0e21e | 1897 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 1898 | UNOP method_op; |
aa689395 | 1899 | I32 oldmark; |
13689cfe | 1900 | volatile I32 retval = 0; |
a0d0e21e | 1901 | I32 oldscope; |
54310121 | 1902 | bool oldcatch = CATCH_GET; |
6224f72b | 1903 | int ret; |
533c011a | 1904 | OP* oldop = PL_op; |
db36c5a1 | 1905 | dJMPENV; |
1e422769 | 1906 | |
a0d0e21e LW |
1907 | if (flags & G_DISCARD) { |
1908 | ENTER; | |
1909 | SAVETMPS; | |
1910 | } | |
1911 | ||
aa689395 | 1912 | Zero(&myop, 1, LOGOP); |
54310121 | 1913 | myop.op_next = Nullop; |
f51d4af5 | 1914 | if (!(flags & G_NOARGS)) |
aa689395 | 1915 | myop.op_flags |= OPf_STACKED; |
54310121 | 1916 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1917 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1918 | OPf_WANT_SCALAR); | |
462e5cf6 | 1919 | SAVEOP(); |
533c011a | 1920 | PL_op = (OP*)&myop; |
aa689395 | 1921 | |
3280af22 NIS |
1922 | EXTEND(PL_stack_sp, 1); |
1923 | *++PL_stack_sp = sv; | |
aa689395 | 1924 | oldmark = TOPMARK; |
3280af22 | 1925 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1926 | |
3280af22 | 1927 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1928 | /* Handle first BEGIN of -d. */ |
3280af22 | 1929 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1930 | /* Try harder, since this may have been a sighandler, thus |
1931 | * curstash may be meaningless. */ | |
3280af22 | 1932 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1933 | && !(flags & G_NODEBUG)) |
533c011a | 1934 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1935 | |
968b3946 GS |
1936 | if (flags & G_METHOD) { |
1937 | Zero(&method_op, 1, UNOP); | |
1938 | method_op.op_next = PL_op; | |
1939 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
1940 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 1941 | PL_op = (OP*)&method_op; |
968b3946 GS |
1942 | } |
1943 | ||
312caa8e | 1944 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1945 | CATCH_SET(TRUE); |
14dd3ad8 | 1946 | call_body((OP*)&myop, FALSE); |
312caa8e | 1947 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1948 | CATCH_SET(oldcatch); |
312caa8e CS |
1949 | } |
1950 | else { | |
d78bda3d | 1951 | myop.op_other = (OP*)&myop; |
3280af22 | 1952 | PL_markstack_ptr--; |
4633a7c4 LW |
1953 | /* we're trying to emulate pp_entertry() here */ |
1954 | { | |
c09156bb | 1955 | register PERL_CONTEXT *cx; |
54310121 | 1956 | I32 gimme = GIMME_V; |
ac27b0f5 | 1957 | |
4633a7c4 LW |
1958 | ENTER; |
1959 | SAVETMPS; | |
ac27b0f5 | 1960 | |
968b3946 | 1961 | push_return(Nullop); |
1d76a5c3 | 1962 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 1963 | PUSHEVAL(cx, 0, 0); |
533c011a | 1964 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 1965 | |
faef0170 | 1966 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1967 | if (flags & G_KEEPERR) |
faef0170 | 1968 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1969 | else |
38a03e6e | 1970 | sv_setpv(ERRSV,""); |
4633a7c4 | 1971 | } |
3280af22 | 1972 | PL_markstack_ptr++; |
a0d0e21e | 1973 | |
14dd3ad8 GS |
1974 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1975 | redo_body: | |
1976 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 1977 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
1978 | #else |
1979 | JMPENV_PUSH(ret); | |
1980 | #endif | |
6224f72b GS |
1981 | switch (ret) { |
1982 | case 0: | |
14dd3ad8 GS |
1983 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1984 | redo_body: | |
1985 | call_body((OP*)&myop, FALSE); | |
1986 | #endif | |
312caa8e CS |
1987 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1988 | if (!(flags & G_KEEPERR)) | |
1989 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1990 | break; |
6224f72b | 1991 | case 1: |
f86702cc | 1992 | STATUS_ALL_FAILURE; |
a0d0e21e | 1993 | /* FALL THROUGH */ |
6224f72b | 1994 | case 2: |
a0d0e21e | 1995 | /* my_exit() was called */ |
3280af22 | 1996 | PL_curstash = PL_defstash; |
a0d0e21e | 1997 | FREETMPS; |
14dd3ad8 | 1998 | JMPENV_POP; |
cc3604b1 | 1999 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2000 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2001 | my_exit_jump(); |
a0d0e21e | 2002 | /* NOTREACHED */ |
6224f72b | 2003 | case 3: |
3280af22 | 2004 | if (PL_restartop) { |
533c011a | 2005 | PL_op = PL_restartop; |
3280af22 | 2006 | PL_restartop = 0; |
312caa8e | 2007 | goto redo_body; |
a0d0e21e | 2008 | } |
3280af22 | 2009 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2010 | if (flags & G_ARRAY) |
2011 | retval = 0; | |
2012 | else { | |
2013 | retval = 1; | |
3280af22 | 2014 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2015 | } |
312caa8e | 2016 | break; |
a0d0e21e | 2017 | } |
a0d0e21e | 2018 | |
3280af22 | 2019 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
2020 | SV **newsp; |
2021 | PMOP *newpm; | |
2022 | I32 gimme; | |
c09156bb | 2023 | register PERL_CONTEXT *cx; |
a0a2876f LW |
2024 | I32 optype; |
2025 | ||
2026 | POPBLOCK(cx,newpm); | |
2027 | POPEVAL(cx); | |
2028 | pop_return(); | |
3280af22 | 2029 | PL_curpm = newpm; |
a0a2876f | 2030 | LEAVE; |
a0d0e21e | 2031 | } |
14dd3ad8 | 2032 | JMPENV_POP; |
a0d0e21e | 2033 | } |
1e422769 | 2034 | |
a0d0e21e | 2035 | if (flags & G_DISCARD) { |
3280af22 | 2036 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2037 | retval = 0; |
2038 | FREETMPS; | |
2039 | LEAVE; | |
2040 | } | |
533c011a | 2041 | PL_op = oldop; |
a0d0e21e LW |
2042 | return retval; |
2043 | } | |
2044 | ||
14dd3ad8 | 2045 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2046 | STATIC void * |
14dd3ad8 | 2047 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
2048 | { |
2049 | OP *myop = va_arg(args, OP*); | |
2050 | int is_eval = va_arg(args, int); | |
2051 | ||
14dd3ad8 | 2052 | call_body(myop, is_eval); |
312caa8e CS |
2053 | return NULL; |
2054 | } | |
14dd3ad8 | 2055 | #endif |
312caa8e CS |
2056 | |
2057 | STATIC void | |
14dd3ad8 | 2058 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e | 2059 | { |
312caa8e CS |
2060 | if (PL_op == myop) { |
2061 | if (is_eval) | |
f807eda9 | 2062 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 2063 | else |
f807eda9 | 2064 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
2065 | } |
2066 | if (PL_op) | |
cea2e8a9 | 2067 | CALLRUNOPS(aTHX); |
312caa8e CS |
2068 | } |
2069 | ||
6e72f9df | 2070 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2071 | |
954c1994 GS |
2072 | /* |
2073 | =for apidoc p||eval_sv | |
2074 | ||
2075 | Tells Perl to C<eval> the string in the SV. | |
2076 | ||
2077 | =cut | |
2078 | */ | |
2079 | ||
a0d0e21e | 2080 | I32 |
864dbfa3 | 2081 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2082 | |
8ac85365 | 2083 | /* See G_* flags in cop.h */ |
a0d0e21e | 2084 | { |
924508f0 | 2085 | dSP; |
a0d0e21e | 2086 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 2087 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 2088 | volatile I32 retval = 0; |
4633a7c4 | 2089 | I32 oldscope; |
6224f72b | 2090 | int ret; |
533c011a | 2091 | OP* oldop = PL_op; |
db36c5a1 | 2092 | dJMPENV; |
84902520 | 2093 | |
4633a7c4 LW |
2094 | if (flags & G_DISCARD) { |
2095 | ENTER; | |
2096 | SAVETMPS; | |
2097 | } | |
2098 | ||
462e5cf6 | 2099 | SAVEOP(); |
533c011a NIS |
2100 | PL_op = (OP*)&myop; |
2101 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2102 | EXTEND(PL_stack_sp, 1); |
2103 | *++PL_stack_sp = sv; | |
2104 | oldscope = PL_scopestack_ix; | |
79072805 | 2105 | |
4633a7c4 LW |
2106 | if (!(flags & G_NOARGS)) |
2107 | myop.op_flags = OPf_STACKED; | |
79072805 | 2108 | myop.op_next = Nullop; |
6e72f9df | 2109 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2110 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2111 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2112 | OPf_WANT_SCALAR); | |
6e72f9df | 2113 | if (flags & G_KEEPERR) |
2114 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2115 | |
14dd3ad8 | 2116 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2117 | redo_body: |
14dd3ad8 | 2118 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 2119 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
2120 | #else |
2121 | JMPENV_PUSH(ret); | |
2122 | #endif | |
6224f72b GS |
2123 | switch (ret) { |
2124 | case 0: | |
14dd3ad8 GS |
2125 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2126 | redo_body: | |
2127 | call_body((OP*)&myop,TRUE); | |
2128 | #endif | |
312caa8e CS |
2129 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2130 | if (!(flags & G_KEEPERR)) | |
2131 | sv_setpv(ERRSV,""); | |
4633a7c4 | 2132 | break; |
6224f72b | 2133 | case 1: |
f86702cc | 2134 | STATUS_ALL_FAILURE; |
4633a7c4 | 2135 | /* FALL THROUGH */ |
6224f72b | 2136 | case 2: |
4633a7c4 | 2137 | /* my_exit() was called */ |
3280af22 | 2138 | PL_curstash = PL_defstash; |
4633a7c4 | 2139 | FREETMPS; |
14dd3ad8 | 2140 | JMPENV_POP; |
cc3604b1 | 2141 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2142 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2143 | my_exit_jump(); |
4633a7c4 | 2144 | /* NOTREACHED */ |
6224f72b | 2145 | case 3: |
3280af22 | 2146 | if (PL_restartop) { |
533c011a | 2147 | PL_op = PL_restartop; |
3280af22 | 2148 | PL_restartop = 0; |
312caa8e | 2149 | goto redo_body; |
4633a7c4 | 2150 | } |
3280af22 | 2151 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2152 | if (flags & G_ARRAY) |
2153 | retval = 0; | |
2154 | else { | |
2155 | retval = 1; | |
3280af22 | 2156 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2157 | } |
312caa8e | 2158 | break; |
4633a7c4 LW |
2159 | } |
2160 | ||
14dd3ad8 | 2161 | JMPENV_POP; |
4633a7c4 | 2162 | if (flags & G_DISCARD) { |
3280af22 | 2163 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2164 | retval = 0; |
2165 | FREETMPS; | |
2166 | LEAVE; | |
2167 | } | |
533c011a | 2168 | PL_op = oldop; |
4633a7c4 LW |
2169 | return retval; |
2170 | } | |
2171 | ||
954c1994 GS |
2172 | /* |
2173 | =for apidoc p||eval_pv | |
2174 | ||
2175 | Tells Perl to C<eval> the given string and return an SV* result. | |
2176 | ||
2177 | =cut | |
2178 | */ | |
2179 | ||
137443ea | 2180 | SV* |
864dbfa3 | 2181 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2182 | { |
2183 | dSP; | |
2184 | SV* sv = newSVpv(p, 0); | |
2185 | ||
864dbfa3 | 2186 | eval_sv(sv, G_SCALAR); |
137443ea | 2187 | SvREFCNT_dec(sv); |
2188 | ||
2189 | SPAGAIN; | |
2190 | sv = POPs; | |
2191 | PUTBACK; | |
2192 | ||
2d8e6c8d GS |
2193 | if (croak_on_error && SvTRUE(ERRSV)) { |
2194 | STRLEN n_a; | |
cea2e8a9 | 2195 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 2196 | } |
137443ea | 2197 | |
2198 | return sv; | |
2199 | } | |
2200 | ||
4633a7c4 LW |
2201 | /* Require a module. */ |
2202 | ||
954c1994 | 2203 | /* |
ccfc67b7 JH |
2204 | =head1 Embedding Functions |
2205 | ||
954c1994 GS |
2206 | =for apidoc p||require_pv |
2207 | ||
7d3fb230 BS |
2208 | Tells Perl to C<require> the file named by the string argument. It is |
2209 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2210 | implemented that way; consider using Perl_load_module instead. | |
954c1994 | 2211 | |
7d3fb230 | 2212 | =cut */ |
954c1994 | 2213 | |
4633a7c4 | 2214 | void |
864dbfa3 | 2215 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2216 | { |
d3acc0f7 JP |
2217 | SV* sv; |
2218 | dSP; | |
e788e7d3 | 2219 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
2220 | PUTBACK; |
2221 | sv = sv_newmortal(); | |
4633a7c4 LW |
2222 | sv_setpv(sv, "require '"); |
2223 | sv_catpv(sv, pv); | |
2224 | sv_catpv(sv, "'"); | |
864dbfa3 | 2225 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
2226 | SPAGAIN; |
2227 | POPSTACK; | |
79072805 LW |
2228 | } |
2229 | ||
79072805 | 2230 | void |
864dbfa3 | 2231 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
2232 | { |
2233 | register GV *gv; | |
2234 | ||
155aba94 | 2235 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
14befaf4 | 2236 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2237 | } |
2238 | ||
76e3520e | 2239 | STATIC void |
cea2e8a9 | 2240 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2241 | { |
ab821d7f | 2242 | /* This message really ought to be max 23 lines. |
75c72d73 | 2243 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2244 | |
76e3520e | 2245 | static char *usage_msg[] = { |
fb73857a | 2246 | "-0[octal] specify record separator (\\0, if no argument)", |
2247 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
46487f74 | 2248 | "-C enable native wide character system interfaces", |
1950ee41 | 2249 | "-c check syntax only (runs BEGIN and CHECK blocks)", |
aac3bd0d GS |
2250 | "-d[:debugger] run program under debugger", |
2251 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2252 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
2253 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
2254 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2255 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 2256 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
2257 | "-[mM][-]module execute `use/no module...' before executing program", |
2258 | "-n assume 'while (<>) { ... }' loop around program", | |
2259 | "-p assume loop like -n but print line also, like sed", | |
2260 | "-P run program through C preprocessor before compilation", | |
2261 | "-s enable rudimentary parsing for switches after programfile", | |
2262 | "-S look for programfile using PATH environment variable", | |
2263 | "-T enable tainting checks", | |
9cbc33e8 | 2264 | "-t enable tainting warnings", |
aac3bd0d | 2265 | "-u dump core after parsing program", |
fb73857a | 2266 | "-U allow unsafe operations", |
aac3bd0d GS |
2267 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
2268 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2269 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 GS |
2270 | "-W enable all warnings", |
2271 | "-X disable all warnings", | |
fb73857a | 2272 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
2273 | "\n", | |
2274 | NULL | |
2275 | }; | |
76e3520e | 2276 | char **p = usage_msg; |
fb73857a | 2277 | |
b0e47665 GS |
2278 | PerlIO_printf(PerlIO_stdout(), |
2279 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2280 | name); | |
fb73857a | 2281 | while (*p) |
b0e47665 | 2282 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2283 | } |
2284 | ||
79072805 LW |
2285 | /* This routine handles any switches that can be given during run */ |
2286 | ||
2287 | char * | |
864dbfa3 | 2288 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2289 | { |
ba210ebe | 2290 | STRLEN numlen; |
c07a80fd | 2291 | U32 rschar; |
79072805 LW |
2292 | |
2293 | switch (*s) { | |
2294 | case '0': | |
a863c7d1 | 2295 | { |
53305cf1 NC |
2296 | I32 flags = 0; |
2297 | numlen = 4; | |
2298 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
8bfdd7d9 | 2299 | SvREFCNT_dec(PL_rs); |
c07a80fd | 2300 | if (rschar & ~((U8)~0)) |
8bfdd7d9 | 2301 | PL_rs = &PL_sv_undef; |
c07a80fd | 2302 | else if (!rschar && numlen >= 2) |
8bfdd7d9 | 2303 | PL_rs = newSVpvn("", 0); |
c07a80fd | 2304 | else { |
eb160463 | 2305 | char ch = (char)rschar; |
8bfdd7d9 | 2306 | PL_rs = newSVpvn(&ch, 1); |
79072805 LW |
2307 | } |
2308 | return s + numlen; | |
a863c7d1 | 2309 | } |
46487f74 GS |
2310 | case 'C': |
2311 | PL_widesyscalls = TRUE; | |
2312 | s++; | |
2313 | return s; | |
2304df62 | 2314 | case 'F': |
3280af22 | 2315 | PL_minus_F = TRUE; |
ebce5377 RGS |
2316 | PL_splitstr = ++s; |
2317 | while (*s && !isSPACE(*s)) ++s; | |
2318 | *s = '\0'; | |
2319 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2320 | return s; |
79072805 | 2321 | case 'a': |
3280af22 | 2322 | PL_minus_a = TRUE; |
79072805 LW |
2323 | s++; |
2324 | return s; | |
2325 | case 'c': | |
3280af22 | 2326 | PL_minus_c = TRUE; |
79072805 LW |
2327 | s++; |
2328 | return s; | |
2329 | case 'd': | |
bbce6d69 | 2330 | forbid_setid("-d"); |
4633a7c4 | 2331 | s++; |
70c94a19 RR |
2332 | /* The following permits -d:Mod to accepts arguments following an = |
2333 | in the fashion that -MSome::Mod does. */ | |
2334 | if (*s == ':' || *s == '=') { | |
2335 | char *start; | |
2336 | SV *sv; | |
2337 | sv = newSVpv("use Devel::", 0); | |
2338 | start = ++s; | |
2339 | /* We now allow -d:Module=Foo,Bar */ | |
2340 | while(isALNUM(*s) || *s==':') ++s; | |
2341 | if (*s != '=') | |
2342 | sv_catpv(sv, start); | |
2343 | else { | |
2344 | sv_catpvn(sv, start, s-start); | |
2345 | sv_catpv(sv, " split(/,/,q{"); | |
2346 | sv_catpv(sv, ++s); | |
2347 | sv_catpv(sv, "})"); | |
2348 | } | |
4633a7c4 | 2349 | s += strlen(s); |
70c94a19 | 2350 | my_setenv("PERL5DB", SvPV(sv, PL_na)); |
4633a7c4 | 2351 | } |
ed094faf | 2352 | if (!PL_perldb) { |
3280af22 | 2353 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2354 | init_debugger(); |
ed094faf | 2355 | } |
79072805 LW |
2356 | return s; |
2357 | case 'D': | |
0453d815 | 2358 | { |
79072805 | 2359 | #ifdef DEBUGGING |
bbce6d69 | 2360 | forbid_setid("-D"); |
79072805 | 2361 | if (isALPHA(s[1])) { |
04932ac8 | 2362 | /* if adding extra options, remember to update DEBUG_MASK */ |
7bab3ede | 2363 | static char debopts[] = "psltocPmfrxu HXDSTRJvC"; |
79072805 LW |
2364 | char *d; |
2365 | ||
93a17b20 | 2366 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 2367 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
2368 | } |
2369 | else { | |
3280af22 | 2370 | PL_debug = atoi(s+1); |
79072805 LW |
2371 | for (s++; isDIGIT(*s); s++) ; |
2372 | } | |
2ac72d6e | 2373 | #ifdef EBCDIC |
12a43e32 JH |
2374 | if (DEBUG_p_TEST_ && ckWARN_d(WARN_DEBUGGING)) |
2375 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2376 | "-Dp not implemented on this platform\n"); | |
2377 | #endif | |
aea4f609 | 2378 | PL_debug |= DEBUG_TOP_FLAG; |
12a43e32 | 2379 | #else /* !DEBUGGING */ |
0453d815 | 2380 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 2381 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
0453d815 | 2382 | "Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e | 2383 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
2384 | #endif |
2385 | /*SUPPRESS 530*/ | |
2386 | return s; | |
0453d815 | 2387 | } |
4633a7c4 | 2388 | case 'h': |
ac27b0f5 | 2389 | usage(PL_origargv[0]); |
7ca617d0 | 2390 | my_exit(0); |
79072805 | 2391 | case 'i': |
3280af22 NIS |
2392 | if (PL_inplace) |
2393 | Safefree(PL_inplace); | |
c030f24b GH |
2394 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
2395 | if (*(s+1) == '\0') { | |
2396 | PL_inplace = savepv(".bak"); | |
2397 | return s+1; | |
2398 | } | |
2399 | #endif /* __CYGWIN__ */ | |
3280af22 | 2400 | PL_inplace = savepv(s+1); |
79072805 | 2401 | /*SUPPRESS 530*/ |
3280af22 | 2402 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2403 | if (*s) { |
fb73857a | 2404 | *s++ = '\0'; |
7b8d334a GS |
2405 | if (*s == '-') /* Additional switches on #! line. */ |
2406 | s++; | |
2407 | } | |
fb73857a | 2408 | return s; |
4e49a025 | 2409 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 2410 | forbid_setid("-I"); |
fb73857a | 2411 | ++s; |
2412 | while (*s && isSPACE(*s)) | |
2413 | ++s; | |
2414 | if (*s) { | |
774d564b | 2415 | char *e, *p; |
0df16ed7 GS |
2416 | p = s; |
2417 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2418 | do { | |
2419 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2420 | p = e; | |
2421 | while (isSPACE(*p)) | |
2422 | p++; | |
2423 | } while (*p && *p != '-'); | |
2424 | e = savepvn(s, e-s); | |
9c8a64f0 | 2425 | incpush(e, TRUE, TRUE); |
0df16ed7 GS |
2426 | Safefree(e); |
2427 | s = p; | |
2428 | if (*s == '-') | |
2429 | s++; | |
79072805 LW |
2430 | } |
2431 | else | |
a67e862a | 2432 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2433 | return s; |
79072805 | 2434 | case 'l': |
3280af22 | 2435 | PL_minus_l = TRUE; |
79072805 | 2436 | s++; |
7889fe52 NIS |
2437 | if (PL_ors_sv) { |
2438 | SvREFCNT_dec(PL_ors_sv); | |
2439 | PL_ors_sv = Nullsv; | |
2440 | } | |
79072805 | 2441 | if (isDIGIT(*s)) { |
53305cf1 | 2442 | I32 flags = 0; |
7889fe52 | 2443 | PL_ors_sv = newSVpvn("\n",1); |
53305cf1 NC |
2444 | numlen = 3 + (*s == '0'); |
2445 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
2446 | s += numlen; |
2447 | } | |
2448 | else { | |
8bfdd7d9 | 2449 | if (RsPARA(PL_rs)) { |
7889fe52 NIS |
2450 | PL_ors_sv = newSVpvn("\n\n",2); |
2451 | } | |
2452 | else { | |
8bfdd7d9 | 2453 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 2454 | } |
79072805 LW |
2455 | } |
2456 | return s; | |
1a30305b | 2457 | case 'M': |
bbce6d69 | 2458 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2459 | /* FALL THROUGH */ |
2460 | case 'm': | |
bbce6d69 | 2461 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2462 | if (*++s) { |
a5f75d66 | 2463 | char *start; |
11343788 | 2464 | SV *sv; |
a5f75d66 AD |
2465 | char *use = "use "; |
2466 | /* -M-foo == 'no foo' */ | |
2467 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2468 | sv = newSVpv(use,0); |
a5f75d66 | 2469 | start = s; |
1a30305b | 2470 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2471 | while(isALNUM(*s) || *s==':') ++s; |
2472 | if (*s != '=') { | |
11343788 | 2473 | sv_catpv(sv, start); |
c07a80fd | 2474 | if (*(start-1) == 'm') { |
2475 | if (*s != '\0') | |
cea2e8a9 | 2476 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2477 | sv_catpv( sv, " ()"); |
c07a80fd | 2478 | } |
2479 | } else { | |
6df41af2 | 2480 | if (s == start) |
be98fb35 GS |
2481 | Perl_croak(aTHX_ "Module name required with -%c option", |
2482 | s[-1]); | |
11343788 MB |
2483 | sv_catpvn(sv, start, s-start); |
2484 | sv_catpv(sv, " split(/,/,q{"); | |
2485 | sv_catpv(sv, ++s); | |
2486 | sv_catpv(sv, "})"); | |
c07a80fd | 2487 | } |
1a30305b | 2488 | s += strlen(s); |
5c831c24 | 2489 | if (!PL_preambleav) |
3280af22 NIS |
2490 | PL_preambleav = newAV(); |
2491 | av_push(PL_preambleav, sv); | |
1a30305b | 2492 | } |
2493 | else | |
cea2e8a9 | 2494 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2495 | return s; |
79072805 | 2496 | case 'n': |
3280af22 | 2497 | PL_minus_n = TRUE; |
79072805 LW |
2498 | s++; |
2499 | return s; | |
2500 | case 'p': | |
3280af22 | 2501 | PL_minus_p = TRUE; |
79072805 LW |
2502 | s++; |
2503 | return s; | |
2504 | case 's': | |
bbce6d69 | 2505 | forbid_setid("-s"); |
3280af22 | 2506 | PL_doswitches = TRUE; |
79072805 LW |
2507 | s++; |
2508 | return s; | |
6537fe72 MS |
2509 | case 't': |
2510 | if (!PL_tainting) | |
2511 | Perl_croak(aTHX_ "Too late for \"-t\" option"); | |
2512 | s++; | |
2513 | return s; | |
463ee0b2 | 2514 | case 'T': |
3280af22 | 2515 | if (!PL_tainting) |
cea2e8a9 | 2516 | Perl_croak(aTHX_ "Too late for \"-T\" option"); |
463ee0b2 LW |
2517 | s++; |
2518 | return s; | |
79072805 | 2519 | case 'u': |
bf4acbe4 GS |
2520 | #ifdef MACOS_TRADITIONAL |
2521 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
2522 | #endif | |
3280af22 | 2523 | PL_do_undump = TRUE; |
79072805 LW |
2524 | s++; |
2525 | return s; | |
2526 | case 'U': | |
3280af22 | 2527 | PL_unsafe = TRUE; |
79072805 LW |
2528 | s++; |
2529 | return s; | |
2530 | case 'v': | |
8e9464f1 | 2531 | #if !defined(DGUX) |
b0e47665 | 2532 | PerlIO_printf(PerlIO_stdout(), |
d2560b70 | 2533 | Perl_form(aTHX_ "\nThis is perl, v%"VDf" built for %s", |
b0e47665 | 2534 | PL_patchlevel, ARCHNAME)); |
8e9464f1 JH |
2535 | #else /* DGUX */ |
2536 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
2537 | PerlIO_printf(PerlIO_stdout(), | |
2538 | Perl_form(aTHX_ "\nThis is perl, version %vd\n", PL_patchlevel)); | |
2539 | PerlIO_printf(PerlIO_stdout(), | |
2540 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
2541 | OSNAME, __DATE__, __TIME__)); | |
2542 | PerlIO_printf(PerlIO_stdout(), | |
2543 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 2544 | OSVERS)); |
8e9464f1 JH |
2545 | #endif /* !DGUX */ |
2546 | ||
fb73857a | 2547 | #if defined(LOCAL_PATCH_COUNT) |
2548 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
2549 | PerlIO_printf(PerlIO_stdout(), |
2550 | "\n(with %d registered patch%s, " | |
2551 | "see perl -V for more detail)", | |
2552 | (int)LOCAL_PATCH_COUNT, | |
2553 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 2554 | #endif |
1a30305b | 2555 | |
b0e47665 | 2556 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2557 | "\n\nCopyright 1987-2002, Larry Wall\n"); |
eae9c151 JH |
2558 | #ifdef MACOS_TRADITIONAL |
2559 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 2560 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 2561 | "maintained by Chris Nandor\n"); |
eae9c151 | 2562 | #endif |
79072805 | 2563 | #ifdef MSDOS |
b0e47665 GS |
2564 | PerlIO_printf(PerlIO_stdout(), |
2565 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 2566 | #endif |
2567 | #ifdef DJGPP | |
b0e47665 GS |
2568 | PerlIO_printf(PerlIO_stdout(), |
2569 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
2570 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 2571 | #endif |
79072805 | 2572 | #ifdef OS2 |
b0e47665 GS |
2573 | PerlIO_printf(PerlIO_stdout(), |
2574 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 2575 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2576 | #endif |
79072805 | 2577 | #ifdef atarist |
b0e47665 GS |
2578 | PerlIO_printf(PerlIO_stdout(), |
2579 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 2580 | #endif |
a3f9223b | 2581 | #ifdef __BEOS__ |
b0e47665 GS |
2582 | PerlIO_printf(PerlIO_stdout(), |
2583 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 2584 | #endif |
1d84e8df | 2585 | #ifdef MPE |
b0e47665 | 2586 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2587 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2002\n"); |
1d84e8df | 2588 | #endif |
9d116dd7 | 2589 | #ifdef OEMVS |
b0e47665 GS |
2590 | PerlIO_printf(PerlIO_stdout(), |
2591 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 2592 | #endif |
495c5fdc | 2593 | #ifdef __VOS__ |
b0e47665 | 2594 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 2595 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 2596 | #endif |
092bebab | 2597 | #ifdef __OPEN_VM |
b0e47665 GS |
2598 | PerlIO_printf(PerlIO_stdout(), |
2599 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 2600 | #endif |
a1a0e61e | 2601 | #ifdef POSIX_BC |
b0e47665 GS |
2602 | PerlIO_printf(PerlIO_stdout(), |
2603 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 2604 | #endif |
61ae2fbf | 2605 | #ifdef __MINT__ |
b0e47665 GS |
2606 | PerlIO_printf(PerlIO_stdout(), |
2607 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 2608 | #endif |
f83d2536 | 2609 | #ifdef EPOC |
b0e47665 | 2610 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2611 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 2612 | #endif |
e1caacb4 | 2613 | #ifdef UNDER_CE |
be3c0a43 | 2614 | printf("WINCE port by Rainer Keuchel, 2001-2002\n"); |
e1caacb4 JH |
2615 | printf("Built on " __DATE__ " " __TIME__ "\n\n"); |
2616 | wce_hitreturn(); | |
2617 | #endif | |
baed7233 DL |
2618 | #ifdef BINARY_BUILD_NOTICE |
2619 | BINARY_BUILD_NOTICE; | |
2620 | #endif | |
b0e47665 GS |
2621 | PerlIO_printf(PerlIO_stdout(), |
2622 | "\n\ | |
79072805 | 2623 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 2624 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 GS |
2625 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
2626 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2627 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
7ca617d0 | 2628 | my_exit(0); |
79072805 | 2629 | case 'w': |
599cee73 | 2630 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 2631 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
2632 | s++; |
2633 | return s; | |
2634 | case 'W': | |
ac27b0f5 | 2635 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
2636 | if (!specialWARN(PL_compiling.cop_warnings)) |
2637 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2638 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
2639 | s++; |
2640 | return s; | |
2641 | case 'X': | |
ac27b0f5 | 2642 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
2643 | if (!specialWARN(PL_compiling.cop_warnings)) |
2644 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2645 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
2646 | s++; |
2647 | return s; | |
a0d0e21e | 2648 | case '*': |
79072805 LW |
2649 | case ' ': |
2650 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2651 | return s+2; | |
2652 | break; | |
a0d0e21e | 2653 | case '-': |
79072805 | 2654 | case 0: |
51882d45 | 2655 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2656 | case '\r': |
2657 | #endif | |
79072805 LW |
2658 | case '\n': |
2659 | case '\t': | |
2660 | break; | |
aa689395 | 2661 | #ifdef ALTERNATE_SHEBANG |
2662 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2663 | break; | |
2664 | #endif | |
a0d0e21e | 2665 | case 'P': |
3280af22 | 2666 | if (PL_preprocess) |
a0d0e21e LW |
2667 | return s+1; |
2668 | /* FALL THROUGH */ | |
79072805 | 2669 | default: |
cea2e8a9 | 2670 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2671 | } |
2672 | return Nullch; | |
2673 | } | |
2674 | ||
2675 | /* compliments of Tom Christiansen */ | |
2676 | ||
2677 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2678 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2679 | |
2680 | void | |
864dbfa3 | 2681 | Perl_my_unexec(pTHX) |
79072805 LW |
2682 | { |
2683 | #ifdef UNEXEC | |
46fc3d4c | 2684 | SV* prog; |
2685 | SV* file; | |
ee580363 | 2686 | int status = 1; |
79072805 LW |
2687 | extern int etext; |
2688 | ||
ee580363 | 2689 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2690 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2691 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2692 | sv_catpv(file, ".perldump"); |
79072805 | 2693 | |
ee580363 GS |
2694 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2695 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2696 | PerlProc_exit(status); |
79072805 | 2697 | #else |
a5f75d66 AD |
2698 | # ifdef VMS |
2699 | # include <lib$routines.h> | |
2700 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2701 | # else |
79072805 | 2702 | ABORT(); /* for use with undump */ |
aa689395 | 2703 | # endif |
a5f75d66 | 2704 | #endif |
79072805 LW |
2705 | } |
2706 | ||
cb68f92d GS |
2707 | /* initialize curinterp */ |
2708 | STATIC void | |
cea2e8a9 | 2709 | S_init_interp(pTHX) |
cb68f92d GS |
2710 | { |
2711 | ||
acfe0abc GS |
2712 | #ifdef MULTIPLICITY |
2713 | # define PERLVAR(var,type) | |
2714 | # define PERLVARA(var,n,type) | |
2715 | # if defined(PERL_IMPLICIT_CONTEXT) | |
2716 | # if defined(USE_5005THREADS) | |
2717 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
c5be433b | 2718 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
2719 | # else /* !USE_5005THREADS */ |
2720 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2721 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2722 | # endif /* USE_5005THREADS */ | |
3967c732 | 2723 | # else |
acfe0abc GS |
2724 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2725 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 2726 | # endif |
acfe0abc GS |
2727 | # include "intrpvar.h" |
2728 | # ifndef USE_5005THREADS | |
2729 | # include "thrdvar.h" | |
2730 | # endif | |
2731 | # undef PERLVAR | |
2732 | # undef PERLVARA | |
2733 | # undef PERLVARI | |
2734 | # undef PERLVARIC | |
2735 | #else | |
2736 | # define PERLVAR(var,type) | |
2737 | # define PERLVARA(var,n,type) | |
2738 | # define PERLVARI(var,type,init) PL_##var = init; | |
2739 | # define PERLVARIC(var,type,init) PL_##var = init; | |
2740 | # include "intrpvar.h" | |
2741 | # ifndef USE_5005THREADS | |
2742 | # include "thrdvar.h" | |
2743 | # endif | |
2744 | # undef PERLVAR | |
2745 | # undef PERLVARA | |
2746 | # undef PERLVARI | |
2747 | # undef PERLVARIC | |
cb68f92d GS |
2748 | #endif |
2749 | ||
cb68f92d GS |
2750 | } |
2751 | ||
76e3520e | 2752 | STATIC void |
cea2e8a9 | 2753 | S_init_main_stash(pTHX) |
79072805 | 2754 | { |
463ee0b2 | 2755 | GV *gv; |
6e72f9df | 2756 | |
3280af22 | 2757 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2758 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2759 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2760 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2761 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2762 | SvREADONLY_on(gv); |
3280af22 NIS |
2763 | HvNAME(PL_defstash) = savepv("main"); |
2764 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2765 | GvMULTI_on(PL_incgv); | |
2766 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2767 | GvMULTI_on(PL_hintgv); | |
2768 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2769 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2770 | GvMULTI_on(PL_errgv); | |
2771 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2772 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2773 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2774 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2775 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2776 | PL_curstash = PL_defstash; |
11faa288 | 2777 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2778 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2779 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
92d29cee | 2780 | PL_nullstash = GvHV(gv_fetchpv("<none>::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2781 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2782 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2783 | } |
2784 | ||
76e3520e | 2785 | STATIC void |
cea2e8a9 | 2786 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2787 | { |
1b24ed4b MS |
2788 | char *quote; |
2789 | char *code; | |
2790 | char *cpp_discard_flag; | |
2791 | char *perl; | |
2792 | ||
6c4ab083 | 2793 | *fdscript = -1; |
79072805 | 2794 | |
3280af22 NIS |
2795 | if (PL_e_script) { |
2796 | PL_origfilename = savepv("-e"); | |
96436eeb | 2797 | } |
6c4ab083 GS |
2798 | else { |
2799 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2800 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2801 | |
2802 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2803 | char *s = scriptname + 8; | |
2804 | *fdscript = atoi(s); | |
2805 | while (isDIGIT(*s)) | |
2806 | s++; | |
2807 | if (*s) { | |
2808 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2809 | Safefree(PL_origfilename); |
2810 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2811 | } |
2812 | } | |
2813 | } | |
2814 | ||
05ec9bb3 | 2815 | CopFILE_free(PL_curcop); |
57843af0 | 2816 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2817 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2818 | scriptname = ""; |
01f988be | 2819 | if (*fdscript >= 0) { |
3280af22 | 2820 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2821 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2822 | if (PL_rsfp) | |
2823 | /* ensure close-on-exec */ | |
2824 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2825 | # endif | |
96436eeb | 2826 | } |
3280af22 | 2827 | else if (PL_preprocess) { |
46fc3d4c | 2828 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2829 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2830 | SV *cmd = NEWSV(0,0); |
2831 | ||
2832 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2833 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2834 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2835 | |
1b24ed4b MS |
2836 | # ifndef VMS |
2837 | sv_catpvn(sv, "-I", 2); | |
2838 | sv_catpv(sv,PRIVLIB_EXP); | |
2839 | # endif | |
46fc3d4c | 2840 | |
14953ddc MB |
2841 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2842 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
2843 | scriptname, SvPVX (cpp), SvPVX (sv), CPPMINUS)); | |
1b24ed4b MS |
2844 | |
2845 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
2846 | quote = "\""; | |
2847 | # else | |
2848 | quote = "'"; | |
2849 | # endif | |
2850 | ||
2851 | # ifdef VMS | |
2852 | cpp_discard_flag = ""; | |
2853 | # else | |
2854 | cpp_discard_flag = "-C"; | |
2855 | # endif | |
2856 | ||
2857 | # ifdef OS2 | |
2858 | perl = os2_execname(aTHX); | |
2859 | # else | |
2860 | perl = PL_origargv[0]; | |
2861 | # endif | |
2862 | ||
2863 | ||
2864 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
2865 | the C pre-processor, including #!. #line directives are |
2866 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
2867 | of #line. FWP played some golf with it so it will fit |
2868 | into VMS's 255 character buffer. | |
2869 | */ | |
2870 | if( PL_doextract ) | |
2871 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2872 | else | |
2873 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2874 | ||
2875 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
2876 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
62375a60 | 2877 | perl, quote, code, quote, scriptname, cpp, |
1b24ed4b MS |
2878 | cpp_discard_flag, sv, CPPMINUS); |
2879 | ||
3280af22 | 2880 | PL_doextract = FALSE; |
1b24ed4b MS |
2881 | # ifdef IAMSUID /* actually, this is caught earlier */ |
2882 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ | |
2883 | # ifdef HAS_SETEUID | |
2884 | (void)seteuid(PL_uid); /* musn't stay setuid root */ | |
2885 | # else | |
2886 | # ifdef HAS_SETREUID | |
2887 | (void)setreuid((Uid_t)-1, PL_uid); | |
2888 | # else | |
2889 | # ifdef HAS_SETRESUID | |
2890 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); | |
2891 | # else | |
2892 | PerlProc_setuid(PL_uid); | |
2893 | # endif | |
2894 | # endif | |
2895 | # endif | |
b28d0864 | 2896 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2897 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 | 2898 | } |
1b24ed4b | 2899 | # endif /* IAMSUID */ |
0a6c758d | 2900 | |
62375a60 NIS |
2901 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2902 | "PL_preprocess: cmd=\"%s\"\n", | |
0a6c758d MS |
2903 | SvPVX(cmd))); |
2904 | ||
3280af22 | 2905 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2906 | SvREFCNT_dec(cmd); |
2907 | SvREFCNT_dec(cpp); | |
79072805 LW |
2908 | } |
2909 | else if (!*scriptname) { | |
bbce6d69 | 2910 | forbid_setid("program input from stdin"); |
3280af22 | 2911 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2912 | } |
96436eeb | 2913 | else { |
3280af22 | 2914 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2915 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2916 | if (PL_rsfp) | |
2917 | /* ensure close-on-exec */ | |
2918 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2919 | # endif | |
96436eeb | 2920 | } |
3280af22 | 2921 | if (!PL_rsfp) { |
1b24ed4b MS |
2922 | # ifdef DOSUID |
2923 | # ifndef IAMSUID /* in case script is not readable before setuid */ | |
2924 | if (PL_euid && | |
2925 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && | |
2926 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
2927 | { | |
2928 | /* try again */ | |
62375a60 NIS |
2929 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, |
2930 | BIN_EXP, (int)PERL_REVISION, | |
1b24ed4b MS |
2931 | (int)PERL_VERSION, |
2932 | (int)PERL_SUBVERSION), PL_origargv); | |
2933 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
2934 | } | |
2935 | # endif | |
2936 | # endif | |
2937 | # ifdef IAMSUID | |
2938 | errno = EPERM; | |
2939 | Perl_croak(aTHX_ "Can't open perl script: %s\n", | |
2940 | Strerror(errno)); | |
2941 | # else | |
2942 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
2943 | CopFILE(PL_curcop), Strerror(errno)); | |
2944 | # endif | |
13281fa4 | 2945 | } |
79072805 | 2946 | } |
8d063cd8 | 2947 | |
7b89560d JH |
2948 | /* Mention |
2949 | * I_SYSSTATVFS HAS_FSTATVFS | |
2950 | * I_SYSMOUNT | |
c890dc6c | 2951 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
2952 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
2953 | * here so that metaconfig picks them up. */ | |
2954 | ||
104d25b7 | 2955 | #ifdef IAMSUID |
864dbfa3 | 2956 | STATIC int |
e688b231 | 2957 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 2958 | { |
0545a864 JH |
2959 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
2960 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 2961 | /* |
ad27e871 | 2962 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 2963 | * fstatvfs() is UNIX98. |
0545a864 | 2964 | * fstatfs() is 4.3 BSD. |
ad27e871 | 2965 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
2966 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
2967 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
2968 | */ |
2969 | ||
6439433f JH |
2970 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
2971 | ||
2972 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2973 | defined(HAS_FSTATVFS) | |
2974 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 2975 | struct statvfs stfs; |
6439433f | 2976 | |
104d25b7 JH |
2977 | check_okay = fstatvfs(fd, &stfs) == 0; |
2978 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
6439433f | 2979 | # endif /* fstatvfs */ |
ac27b0f5 | 2980 | |
6439433f JH |
2981 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
2982 | defined(PERL_MOUNT_NOSUID) && \ | |
2983 | defined(HAS_FSTATFS) && \ | |
2984 | defined(HAS_STRUCT_STATFS) && \ | |
2985 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
2986 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 2987 | struct statfs stfs; |
6439433f | 2988 | |
104d25b7 | 2989 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 2990 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
6439433f JH |
2991 | # endif /* fstatfs */ |
2992 | ||
2993 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2994 | defined(PERL_MOUNT_NOSUID) && \ | |
2995 | defined(HAS_FSTAT) && \ | |
2996 | defined(HAS_USTAT) && \ | |
2997 | defined(HAS_GETMNT) && \ | |
2998 | defined(HAS_STRUCT_FS_DATA) && \ | |
2999 | defined(NOSTAT_ONE) | |
3000 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 3001 | Stat_t fdst; |
6439433f | 3002 | |
0545a864 | 3003 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
3004 | struct ustat us; |
3005 | if (ustat(fdst.st_dev, &us) == 0) { | |
3006 | struct fs_data fsd; | |
3007 | /* NOSTAT_ONE here because we're not examining fields which | |
3008 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 3009 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
3010 | size_t cmplen = sizeof(us.f_fname); |
3011 | if (sizeof(fsd.fd_req.path) < cmplen) | |
3012 | cmplen = sizeof(fsd.fd_req.path); | |
3013 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
3014 | fdst.st_dev == fsd.fd_req.dev) { | |
3015 | check_okay = 1; | |
3016 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
3017 | } | |
3018 | } | |
3019 | } | |
3020 | } | |
0545a864 | 3021 | } |
6439433f JH |
3022 | # endif /* fstat+ustat+getmnt */ |
3023 | ||
3024 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3025 | defined(HAS_GETMNTENT) && \ | |
3026 | defined(HAS_HASMNTOPT) && \ | |
3027 | defined(MNTOPT_NOSUID) | |
3028 | # define FD_ON_NOSUID_CHECK_OKAY | |
3029 | FILE *mtab = fopen("/etc/mtab", "r"); | |
3030 | struct mntent *entry; | |
c623ac67 | 3031 | Stat_t stb, fsb; |
104d25b7 JH |
3032 | |
3033 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
3034 | while (entry = getmntent(mtab)) { |
3035 | if (stat(entry->mnt_dir, &fsb) == 0 | |
3036 | && fsb.st_dev == stb.st_dev) | |
3037 | { | |
3038 | /* found the filesystem */ | |
3039 | check_okay = 1; | |
3040 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
3041 | on_nosuid = 1; | |
3042 | break; | |
3043 | } /* A single fs may well fail its stat(). */ | |
3044 | } | |
104d25b7 JH |
3045 | } |
3046 | if (mtab) | |
6439433f JH |
3047 | fclose(mtab); |
3048 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 3049 | |
ac27b0f5 | 3050 | if (!check_okay) |
0545a864 | 3051 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
3052 | return on_nosuid; |
3053 | } | |
3054 | #endif /* IAMSUID */ | |
3055 | ||
76e3520e | 3056 | STATIC void |
cea2e8a9 | 3057 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 3058 | { |
155aba94 | 3059 | #ifdef IAMSUID |
96436eeb | 3060 | int which; |
155aba94 | 3061 | #endif |
96436eeb | 3062 | |
13281fa4 LW |
3063 | /* do we need to emulate setuid on scripts? */ |
3064 | ||
3065 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
3066 | * in the kernel because of a security problem. Merely defining DOSUID | |
3067 | * in perl will not fix that problem, but if you have disabled setuid | |
3068 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
3069 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
3070 | * root version must be called suidperl or sperlN.NNN. If regular perl |
3071 | * discovers that it has opened a setuid script, it calls suidperl with | |
3072 | * the same argv that it had. If suidperl finds that the script it has | |
3073 | * just opened is NOT setuid root, it sets the effective uid back to the | |
3074 | * uid. We don't just make perl setuid root because that loses the | |
3075 | * effective uid we had before invoking perl, if it was different from the | |
3076 | * uid. | |
13281fa4 LW |
3077 | * |
3078 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
3079 | * be defined in suidperl only. suidperl must be setuid root. The | |
3080 | * Configure script will set this up for you if you want it. | |
3081 | */ | |
a687059c | 3082 | |
13281fa4 | 3083 | #ifdef DOSUID |
6e72f9df | 3084 | char *s, *s2; |
a0d0e21e | 3085 | |
b28d0864 | 3086 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 3087 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 3088 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 3089 | I32 len; |
2d8e6c8d | 3090 | STRLEN n_a; |
13281fa4 | 3091 | |
a687059c | 3092 | #ifdef IAMSUID |
fe14fcc3 | 3093 | #ifndef HAS_SETREUID |
a687059c LW |
3094 | /* On this access check to make sure the directories are readable, |
3095 | * there is actually a small window that the user could use to make | |
3096 | * filename point to an accessible directory. So there is a faint | |
3097 | * chance that someone could execute a setuid script down in a | |
3098 | * non-accessible directory. I don't know what to do about that. | |
3099 | * But I don't think it's too important. The manual lies when | |
3100 | * it says access() is useful in setuid programs. | |
3101 | */ | |
cc49e20b | 3102 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 3103 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
3104 | #else |
3105 | /* If we can swap euid and uid, then we can determine access rights | |
3106 | * with a simple stat of the file, and then compare device and | |
3107 | * inode to make sure we did stat() on the same file we opened. | |
3108 | * Then we just have to make sure he or she can execute it. | |
3109 | */ | |
3110 | { | |
c623ac67 | 3111 | Stat_t tmpstatbuf; |
a687059c | 3112 | |
85e6fe83 LW |
3113 | if ( |
3114 | #ifdef HAS_SETREUID | |
b28d0864 | 3115 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
3116 | #else |
3117 | # if HAS_SETRESUID | |
b28d0864 | 3118 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 3119 | # endif |
85e6fe83 | 3120 | #endif |
b28d0864 | 3121 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3122 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 3123 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 3124 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 3125 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 3126 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 3127 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 3128 | #endif |
b28d0864 NIS |
3129 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
3130 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
3131 | (void)PerlIO_close(PL_rsfp); | |
cea2e8a9 | 3132 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3133 | } |
85e6fe83 LW |
3134 | if ( |
3135 | #ifdef HAS_SETREUID | |
b28d0864 | 3136 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
3137 | #else |
3138 | # if defined(HAS_SETRESUID) | |
b28d0864 | 3139 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 3140 | # endif |
85e6fe83 | 3141 | #endif |
b28d0864 | 3142 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 3143 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 3144 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 3145 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3146 | } |
fe14fcc3 | 3147 | #endif /* HAS_SETREUID */ |
a687059c LW |
3148 | #endif /* IAMSUID */ |
3149 | ||
b28d0864 | 3150 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 3151 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 3152 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 3153 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 3154 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 3155 | CopLINE_inc(PL_curcop); |
6b88bc9c | 3156 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 3157 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 3158 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 3159 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 3160 | if (*s == ' ') s++; |
45d8adaa | 3161 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 3162 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 3163 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
3164 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 3165 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 3166 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
3167 | /* |
3168 | * #! arg must be what we saw above. They can invoke it by | |
3169 | * mentioning suidperl explicitly, but they may not add any strange | |
3170 | * arguments beyond what #! says if they do invoke suidperl that way. | |
3171 | */ | |
3172 | len = strlen(validarg); | |
3173 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 3174 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 3175 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
3176 | |
3177 | #ifndef IAMSUID | |
b28d0864 NIS |
3178 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
3179 | PL_euid == PL_statbuf.st_uid) | |
3180 | if (!PL_do_undump) | |
cea2e8a9 | 3181 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3182 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3183 | #endif /* IAMSUID */ | |
13281fa4 | 3184 | |
b28d0864 NIS |
3185 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
3186 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 3187 | #ifndef IAMSUID |
46fc3d4c | 3188 | /* try again */ |
a7cb1f99 | 3189 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3190 | (int)PERL_REVISION, (int)PERL_VERSION, |
3191 | (int)PERL_SUBVERSION), PL_origargv); | |
13281fa4 | 3192 | #endif |
cea2e8a9 | 3193 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
3194 | } |
3195 | ||
b28d0864 | 3196 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 3197 | #ifdef HAS_SETEGID |
b28d0864 | 3198 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 3199 | #else |
fe14fcc3 | 3200 | #ifdef HAS_SETREGID |
b28d0864 | 3201 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
3202 | #else |
3203 | #ifdef HAS_SETRESGID | |
b28d0864 | 3204 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 3205 | #else |
b28d0864 | 3206 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
3207 | #endif |
3208 | #endif | |
85e6fe83 | 3209 | #endif |
b28d0864 | 3210 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 3211 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 3212 | } |
b28d0864 NIS |
3213 | if (PL_statbuf.st_mode & S_ISUID) { |
3214 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 3215 | #ifdef HAS_SETEUID |
b28d0864 | 3216 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 3217 | #else |
fe14fcc3 | 3218 | #ifdef HAS_SETREUID |
b28d0864 | 3219 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
3220 | #else |
3221 | #ifdef HAS_SETRESUID | |
b28d0864 | 3222 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 3223 | #else |
b28d0864 | 3224 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
3225 | #endif |
3226 | #endif | |
85e6fe83 | 3227 | #endif |
b28d0864 | 3228 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 3229 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 3230 | } |
b28d0864 | 3231 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 3232 | #ifdef HAS_SETEUID |
b28d0864 | 3233 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 3234 | #else |
fe14fcc3 | 3235 | #ifdef HAS_SETREUID |
b28d0864 | 3236 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 3237 | #else |
85e6fe83 | 3238 | #ifdef HAS_SETRESUID |
b28d0864 | 3239 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 3240 | #else |
b28d0864 | 3241 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 3242 | #endif |
a687059c LW |
3243 | #endif |
3244 | #endif | |
b28d0864 | 3245 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3246 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 3247 | } |
748a9306 | 3248 | init_ids(); |
b28d0864 | 3249 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 3250 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
3251 | } |
3252 | #ifdef IAMSUID | |
6b88bc9c | 3253 | else if (PL_preprocess) |
cea2e8a9 | 3254 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 3255 | else if (fdscript >= 0) |
cea2e8a9 | 3256 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 3257 | else |
cea2e8a9 | 3258 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 3259 | |
3260 | /* We absolutely must clear out any saved ids here, so we */ | |
3261 | /* exec the real perl, substituting fd script for scriptname. */ | |
3262 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
3263 | PerlIO_rewind(PL_rsfp); |
3264 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
3265 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
3266 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
3267 | Perl_croak(aTHX_ "Permission denied"); |
3268 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 3269 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 3270 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 3271 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 3272 | #endif |
a7cb1f99 | 3273 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3274 | (int)PERL_REVISION, (int)PERL_VERSION, |
3275 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
cea2e8a9 | 3276 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 3277 | #endif /* IAMSUID */ |
a687059c | 3278 | #else /* !DOSUID */ |
3280af22 | 3279 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 3280 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
3281 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
3282 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 3283 | || |
b28d0864 | 3284 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3285 | ) |
b28d0864 | 3286 | if (!PL_do_undump) |
cea2e8a9 | 3287 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3288 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3289 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
3290 | /* not set-id, must be wrapped */ | |
a687059c | 3291 | } |
13281fa4 | 3292 | #endif /* DOSUID */ |
79072805 | 3293 | } |
13281fa4 | 3294 | |
76e3520e | 3295 | STATIC void |
cea2e8a9 | 3296 | S_find_beginning(pTHX) |
79072805 | 3297 | { |
6e72f9df | 3298 | register char *s, *s2; |
e55ac0fa HS |
3299 | #ifdef MACOS_TRADITIONAL |
3300 | int maclines = 0; | |
3301 | #endif | |
33b78306 LW |
3302 | |
3303 | /* skip forward in input to the real script? */ | |
3304 | ||
bbce6d69 | 3305 | forbid_setid("-x"); |
bf4acbe4 | 3306 | #ifdef MACOS_TRADITIONAL |
084592ab | 3307 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 3308 | |
bf4acbe4 GS |
3309 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
3310 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) { | |
3311 | if (!gMacPerl_AlwaysExtract) | |
3312 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 3313 | |
bf4acbe4 GS |
3314 | if (PL_doextract) /* require explicit override ? */ |
3315 | if (!OverrideExtract(PL_origfilename)) | |
3316 | Perl_croak(aTHX_ "User aborted script\n"); | |
3317 | else | |
3318 | PL_doextract = FALSE; | |
e55ac0fa | 3319 | |
bf4acbe4 GS |
3320 | /* Pater peccavi, file does not have #! */ |
3321 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 3322 | |
bf4acbe4 GS |
3323 | break; |
3324 | } | |
3325 | #else | |
3280af22 NIS |
3326 | while (PL_doextract) { |
3327 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 3328 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 3329 | #endif |
4f0c37ba IZ |
3330 | s2 = s; |
3331 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
3332 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
3333 | PL_doextract = FALSE; | |
6e72f9df | 3334 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3335 | s2 = s; | |
3336 | while (*s == ' ' || *s == '\t') s++; | |
3337 | if (*s++ == '-') { | |
3338 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
3339 | if (strnEQ(s2-4,"perl",4)) | |
3340 | /*SUPPRESS 530*/ | |
155aba94 GS |
3341 | while ((s = moreswitches(s))) |
3342 | ; | |
33b78306 | 3343 | } |
95e8664e | 3344 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
3345 | /* We are always searching for the #!perl line in MacPerl, |
3346 | * so if we find it, still keep the line count correct | |
3347 | * by counting lines we already skipped over | |
3348 | */ | |
3349 | for (; maclines > 0 ; maclines--) | |
3350 | PerlIO_ungetc(PL_rsfp, '\n'); | |
3351 | ||
95e8664e | 3352 | break; |
e55ac0fa HS |
3353 | |
3354 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
3355 | } else if (gMacPerl_AlwaysExtract) { | |
3356 | ++maclines; | |
95e8664e | 3357 | #endif |
83025b21 LW |
3358 | } |
3359 | } | |
3360 | } | |
3361 | ||
afe37c7d | 3362 | |
76e3520e | 3363 | STATIC void |
cea2e8a9 | 3364 | S_init_ids(pTHX) |
352d5a3a | 3365 | { |
d8eceb89 JH |
3366 | PL_uid = PerlProc_getuid(); |
3367 | PL_euid = PerlProc_geteuid(); | |
3368 | PL_gid = PerlProc_getgid(); | |
3369 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3370 | #ifdef VMS |
b28d0864 NIS |
3371 | PL_uid |= PL_gid << 16; |
3372 | PL_euid |= PL_egid << 16; | |
748a9306 | 3373 | #endif |
3280af22 | 3374 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 3375 | } |
79072805 | 3376 | |
76e3520e | 3377 | STATIC void |
cea2e8a9 | 3378 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 3379 | { |
3280af22 | 3380 | if (PL_euid != PL_uid) |
cea2e8a9 | 3381 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 3382 | if (PL_egid != PL_gid) |
cea2e8a9 | 3383 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 3384 | } |
3385 | ||
1ee4443e IZ |
3386 | void |
3387 | Perl_init_debugger(pTHX) | |
748a9306 | 3388 | { |
1ee4443e IZ |
3389 | HV *ostash = PL_curstash; |
3390 | ||
3280af22 NIS |
3391 | PL_curstash = PL_debstash; |
3392 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
3393 | AvREAL_off(PL_dbargs); | |
3394 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
3395 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
3396 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 3397 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
3280af22 | 3398 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3399 | sv_setiv(PL_DBsingle, 0); |
3280af22 | 3400 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3401 | sv_setiv(PL_DBtrace, 0); |
3280af22 | 3402 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3403 | sv_setiv(PL_DBsignal, 0); |
1ee4443e | 3404 | PL_curstash = ostash; |
352d5a3a LW |
3405 | } |
3406 | ||
2ce36478 SM |
3407 | #ifndef STRESS_REALLOC |
3408 | #define REASONABLE(size) (size) | |
3409 | #else | |
3410 | #define REASONABLE(size) (1) /* unreasonable */ | |
3411 | #endif | |
3412 | ||
11343788 | 3413 | void |
cea2e8a9 | 3414 | Perl_init_stacks(pTHX) |
79072805 | 3415 | { |
e336de0d | 3416 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3417 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3418 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3419 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3420 | PL_curstack = PL_curstackinfo->si_stack; | |
3421 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3422 | |
3280af22 NIS |
3423 | PL_stack_base = AvARRAY(PL_curstack); |
3424 | PL_stack_sp = PL_stack_base; | |
3425 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3426 | |
3280af22 NIS |
3427 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
3428 | PL_tmps_floor = -1; | |
3429 | PL_tmps_ix = -1; | |
3430 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3431 | |
3280af22 NIS |
3432 | New(54,PL_markstack,REASONABLE(32),I32); |
3433 | PL_markstack_ptr = PL_markstack; | |
3434 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3435 | |
ce2f7c3b | 3436 | SET_MARK_OFFSET; |
e336de0d | 3437 | |
3280af22 NIS |
3438 | New(54,PL_scopestack,REASONABLE(32),I32); |
3439 | PL_scopestack_ix = 0; | |
3440 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3441 | |
3280af22 NIS |
3442 | New(54,PL_savestack,REASONABLE(128),ANY); |
3443 | PL_savestack_ix = 0; | |
3444 | PL_savestack_max = REASONABLE(128); | |
79072805 | 3445 | |
3280af22 NIS |
3446 | New(54,PL_retstack,REASONABLE(16),OP*); |
3447 | PL_retstack_ix = 0; | |
3448 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 3449 | } |
33b78306 | 3450 | |
2ce36478 SM |
3451 | #undef REASONABLE |
3452 | ||
76e3520e | 3453 | STATIC void |
cea2e8a9 | 3454 | S_nuke_stacks(pTHX) |
6e72f9df | 3455 | { |
3280af22 NIS |
3456 | while (PL_curstackinfo->si_next) |
3457 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3458 | while (PL_curstackinfo) { | |
3459 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3460 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3461 | Safefree(PL_curstackinfo->si_cxstack); |
3462 | Safefree(PL_curstackinfo); | |
3463 | PL_curstackinfo = p; | |
e336de0d | 3464 | } |
3280af22 NIS |
3465 | Safefree(PL_tmps_stack); |
3466 | Safefree(PL_markstack); | |
3467 | Safefree(PL_scopestack); | |
3468 | Safefree(PL_savestack); | |
3469 | Safefree(PL_retstack); | |
378cc40b | 3470 | } |
33b78306 | 3471 | |
76e3520e | 3472 | STATIC void |
cea2e8a9 | 3473 | S_init_lexer(pTHX) |
8990e307 | 3474 | { |
06039172 | 3475 | PerlIO *tmpfp; |
3280af22 NIS |
3476 | tmpfp = PL_rsfp; |
3477 | PL_rsfp = Nullfp; | |
3478 | lex_start(PL_linestr); | |
3479 | PL_rsfp = tmpfp; | |
79cb57f6 | 3480 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3481 | } |
3482 | ||
76e3520e | 3483 | STATIC void |
cea2e8a9 | 3484 | S_init_predump_symbols(pTHX) |
45d8adaa | 3485 | { |
93a17b20 | 3486 | GV *tmpgv; |
af8c498a | 3487 | IO *io; |
79072805 | 3488 | |
864dbfa3 | 3489 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3490 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3491 | GvMULTI_on(PL_stdingv); | |
af8c498a | 3492 | io = GvIOp(PL_stdingv); |
a04651f4 | 3493 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3494 | IoIFP(io) = PerlIO_stdin(); |
adbc6bb1 | 3495 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3496 | GvMULTI_on(tmpgv); |
af8c498a | 3497 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3498 | |
85e6fe83 | 3499 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3500 | GvMULTI_on(tmpgv); |
af8c498a | 3501 | io = GvIOp(tmpgv); |
a04651f4 | 3502 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3503 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3504 | setdefout(tmpgv); |
adbc6bb1 | 3505 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3506 | GvMULTI_on(tmpgv); |
af8c498a | 3507 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3508 | |
bf49b057 GS |
3509 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3510 | GvMULTI_on(PL_stderrgv); | |
3511 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3512 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3513 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3514 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3515 | GvMULTI_on(tmpgv); |
af8c498a | 3516 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3517 | |
3280af22 | 3518 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3519 | |
bf4acbe4 GS |
3520 | if (PL_osname) |
3521 | Safefree(PL_osname); | |
3522 | PL_osname = savepv(OSNAME); | |
79072805 | 3523 | } |
33b78306 | 3524 | |
a11ec5a9 RGS |
3525 | void |
3526 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) | |
33b78306 | 3527 | { |
79072805 | 3528 | char *s; |
79072805 | 3529 | argc--,argv++; /* skip name of script */ |
3280af22 | 3530 | if (PL_doswitches) { |
79072805 LW |
3531 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3532 | if (!argv[0][1]) | |
3533 | break; | |
379d538a | 3534 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3535 | argc--,argv++; |
3536 | break; | |
3537 | } | |
155aba94 | 3538 | if ((s = strchr(argv[0], '='))) { |
79072805 | 3539 | *s++ = '\0'; |
85e6fe83 | 3540 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3541 | } |
3542 | else | |
85e6fe83 | 3543 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3544 | } |
79072805 | 3545 | } |
a11ec5a9 RGS |
3546 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
3547 | GvMULTI_on(PL_argvgv); | |
3548 | (void)gv_AVadd(PL_argvgv); | |
3549 | av_clear(GvAVn(PL_argvgv)); | |
3550 | for (; argc > 0; argc--,argv++) { | |
3551 | SV *sv = newSVpv(argv[0],0); | |
3552 | av_push(GvAVn(PL_argvgv),sv); | |
3553 | if (PL_widesyscalls) | |
3554 | (void)sv_utf8_decode(sv); | |
3555 | } | |
3556 | } | |
3557 | } | |
3558 | ||
04fee9b5 NIS |
3559 | #ifdef HAS_PROCSELFEXE |
3560 | /* This is a function so that we don't hold on to MAXPATHLEN | |
8338e367 | 3561 | bytes of stack longer than necessary |
04fee9b5 NIS |
3562 | */ |
3563 | STATIC void | |
3564 | S_procself_val(pTHX_ SV *sv, char *arg0) | |
3565 | { | |
3566 | char buf[MAXPATHLEN]; | |
d13a6521 | 3567 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); |
75745e22 TJ |
3568 | |
3569 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
3570 | includes a spurious NUL which will cause $^X to fail in system | |
3571 | or backticks (this will prevent extensions from being built and | |
3572 | many tests from working). readlink is not meant to add a NUL. | |
3573 | Normal readlink works fine. | |
3574 | */ | |
3575 | if (len > 0 && buf[len-1] == '\0') { | |
3576 | len--; | |
3577 | } | |
3578 | ||
d103ec31 JH |
3579 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes |
3580 | returning the text "unknown" from the readlink rather than the path | |
78cb7c00 | 3581 | to the executable (or returning an error from the readlink). Any valid |
d103ec31 JH |
3582 | path has a '/' in it somewhere, so use that to validate the result. |
3583 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
3584 | */ | |
78cb7c00 | 3585 | if (len > 0 && memchr(buf, '/', len)) { |
04fee9b5 NIS |
3586 | sv_setpvn(sv,buf,len); |
3587 | } | |
3588 | else { | |
3589 | sv_setpv(sv,arg0); | |
3590 | } | |
3591 | } | |
3592 | #endif /* HAS_PROCSELFEXE */ | |
3593 | ||
a11ec5a9 RGS |
3594 | STATIC void |
3595 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
3596 | { | |
3597 | char *s; | |
3598 | SV *sv; | |
3599 | GV* tmpgv; | |
a11ec5a9 | 3600 | |
3280af22 NIS |
3601 | PL_toptarget = NEWSV(0,0); |
3602 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3603 | sv_setpvn(PL_toptarget, "", 0); | |
3604 | PL_bodytarget = NEWSV(0,0); | |
3605 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3606 | sv_setpvn(PL_bodytarget, "", 0); | |
3607 | PL_formtarget = PL_bodytarget; | |
79072805 | 3608 | |
bbce6d69 | 3609 | TAINT; |
a11ec5a9 RGS |
3610 | |
3611 | init_argv_symbols(argc,argv); | |
3612 | ||
155aba94 | 3613 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) { |
bf4acbe4 GS |
3614 | #ifdef MACOS_TRADITIONAL |
3615 | /* $0 is not majick on a Mac */ | |
3616 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
3617 | #else | |
3280af22 | 3618 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 3619 | magicname("0", "0", 1); |
bf4acbe4 | 3620 | #endif |
79072805 | 3621 | } |
04fee9b5 NIS |
3622 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) {/* $^X */ |
3623 | #ifdef HAS_PROCSELFEXE | |
3624 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
3625 | #else | |
8338e367 | 3626 | #ifdef OS2 |
23da6c43 | 3627 | sv_setpv(GvSV(tmpgv), os2_execname(aTHX)); |
8338e367 JH |
3628 | #else |
3629 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); | |
3630 | #endif | |
04fee9b5 NIS |
3631 | #endif |
3632 | } | |
155aba94 | 3633 | if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) { |
79072805 | 3634 | HV *hv; |
3280af22 NIS |
3635 | GvMULTI_on(PL_envgv); |
3636 | hv = GvHVn(PL_envgv); | |
14befaf4 | 3637 | hv_magic(hv, Nullgv, PERL_MAGIC_env); |
fa6a1c44 | 3638 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
3639 | /* Note that if the supplied env parameter is actually a copy |
3640 | of the global environ then it may now point to free'd memory | |
3641 | if the environment has been modified since. To avoid this | |
3642 | problem we treat env==NULL as meaning 'use the default' | |
3643 | */ | |
3644 | if (!env) | |
3645 | env = environ; | |
4efc5df6 GS |
3646 | if (env != environ |
3647 | # ifdef USE_ITHREADS | |
3648 | && PL_curinterp == aTHX | |
3649 | # endif | |
3650 | ) | |
3651 | { | |
79072805 | 3652 | environ[0] = Nullch; |
4efc5df6 | 3653 | } |
764df951 IZ |
3654 | if (env) |
3655 | for (; *env; env++) { | |
93a17b20 | 3656 | if (!(s = strchr(*env,'='))) |
79072805 | 3657 | continue; |
60ce6247 | 3658 | #if defined(MSDOS) |
61968511 | 3659 | *s = '\0'; |
137443ea | 3660 | (void)strupr(*env); |
61968511 | 3661 | *s = '='; |
137443ea | 3662 | #endif |
61968511 | 3663 | sv = newSVpv(s+1, 0); |
79072805 | 3664 | (void)hv_store(hv, *env, s - *env, sv, 0); |
61968511 GA |
3665 | if (env != environ) |
3666 | mg_set(sv); | |
764df951 | 3667 | } |
103a7189 | 3668 | #endif /* USE_ENVIRON_ARRAY */ |
79072805 | 3669 | } |
bbce6d69 | 3670 | TAINT_NOT; |
306196c3 MS |
3671 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) { |
3672 | SvREADONLY_off(GvSV(tmpgv)); | |
7766f137 | 3673 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3674 | SvREADONLY_on(GvSV(tmpgv)); |
3675 | } | |
4d76a344 RGS |
3676 | #ifdef THREADS_HAVE_PIDS |
3677 | PL_ppid = (IV)getppid(); | |
3678 | #endif | |
2710853f MJD |
3679 | |
3680 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
3681 | if (PL_minus_a) { | |
3682 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
3683 | } | |
3684 | /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */ | |
3685 | (void) get_av("main::-", TRUE | GV_ADDMULTI); | |
3686 | (void) get_av("main::+", TRUE | GV_ADDMULTI); | |
33b78306 | 3687 | } |
34de22dd | 3688 | |
76e3520e | 3689 | STATIC void |
cea2e8a9 | 3690 | S_init_perllib(pTHX) |
34de22dd | 3691 | { |
85e6fe83 | 3692 | char *s; |
3280af22 | 3693 | if (!PL_tainting) { |
552a7a9b | 3694 | #ifndef VMS |
76e3520e | 3695 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 3696 | if (s) |
9c8a64f0 | 3697 | incpush(s, TRUE, TRUE); |
85e6fe83 | 3698 | else |
9c8a64f0 | 3699 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE); |
552a7a9b | 3700 | #else /* VMS */ |
3701 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
3702 | * "natural" VMS idiom for a Unix path string. We allow each | |
3703 | * element to be a set of |-separated directories for compatibility. | |
3704 | */ | |
3705 | char buf[256]; | |
3706 | int idx = 0; | |
3707 | if (my_trnlnm("PERL5LIB",buf,0)) | |
9c8a64f0 | 3708 | do { incpush(buf,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 3709 | else |
9c8a64f0 | 3710 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE); |
552a7a9b | 3711 | #endif /* VMS */ |
85e6fe83 | 3712 | } |
34de22dd | 3713 | |
c90c0ff4 | 3714 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 3715 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 3716 | */ |
4633a7c4 | 3717 | #ifdef APPLLIB_EXP |
9c8a64f0 | 3718 | incpush(APPLLIB_EXP, TRUE, TRUE); |
16d20bd9 | 3719 | #endif |
4633a7c4 | 3720 | |
fed7345c | 3721 | #ifdef ARCHLIB_EXP |
9c8a64f0 | 3722 | incpush(ARCHLIB_EXP, FALSE, FALSE); |
a0d0e21e | 3723 | #endif |
bf4acbe4 GS |
3724 | #ifdef MACOS_TRADITIONAL |
3725 | { | |
c623ac67 | 3726 | Stat_t tmpstatbuf; |
bf4acbe4 GS |
3727 | SV * privdir = NEWSV(55, 0); |
3728 | char * macperl = PerlEnv_getenv("MACPERL"); | |
3729 | ||
3730 | if (!macperl) | |
3731 | macperl = ""; | |
3732 | ||
3733 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
3734 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
3735 | incpush(SvPVX(privdir), TRUE, FALSE); | |
3736 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); | |
3737 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
3738 | incpush(SvPVX(privdir), TRUE, FALSE); | |
ac27b0f5 | 3739 | |
bf4acbe4 GS |
3740 | SvREFCNT_dec(privdir); |
3741 | } | |
3742 | if (!PL_tainting) | |
3743 | incpush(":", FALSE, FALSE); | |
3744 | #else | |
fed7345c | 3745 | #ifndef PRIVLIB_EXP |
65f19062 | 3746 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 3747 | #endif |
ac27b0f5 | 3748 | #if defined(WIN32) |
9c8a64f0 | 3749 | incpush(PRIVLIB_EXP, TRUE, FALSE); |
00dc2f4f | 3750 | #else |
9c8a64f0 | 3751 | incpush(PRIVLIB_EXP, FALSE, FALSE); |
00dc2f4f | 3752 | #endif |
4633a7c4 | 3753 | |
65f19062 | 3754 | #ifdef SITEARCH_EXP |
3b290362 GS |
3755 | /* sitearch is always relative to sitelib on Windows for |
3756 | * DLL-based path intuition to work correctly */ | |
3757 | # if !defined(WIN32) | |
9c8a64f0 | 3758 | incpush(SITEARCH_EXP, FALSE, FALSE); |
65f19062 GS |
3759 | # endif |
3760 | #endif | |
3761 | ||
4633a7c4 | 3762 | #ifdef SITELIB_EXP |
65f19062 | 3763 | # if defined(WIN32) |
9c8a64f0 | 3764 | incpush(SITELIB_EXP, TRUE, FALSE); /* this picks up sitearch as well */ |
65f19062 | 3765 | # else |
9c8a64f0 | 3766 | incpush(SITELIB_EXP, FALSE, FALSE); |
65f19062 GS |
3767 | # endif |
3768 | #endif | |
189d1e8d | 3769 | |
65f19062 | 3770 | #ifdef SITELIB_STEM /* Search for version-specific dirs below here */ |
9c8a64f0 | 3771 | incpush(SITELIB_STEM, FALSE, TRUE); |
81c6dfba | 3772 | #endif |
65f19062 GS |
3773 | |
3774 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 3775 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
3776 | * DLL-based path intuition to work correctly */ |
3777 | # if !defined(WIN32) | |
9c8a64f0 | 3778 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE); |
65f19062 | 3779 | # endif |
4b03c463 | 3780 | #endif |
65f19062 GS |
3781 | |
3782 | #ifdef PERL_VENDORLIB_EXP | |
3783 | # if defined(WIN32) | |
9c8a64f0 | 3784 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE); /* this picks up vendorarch as well */ |
65f19062 | 3785 | # else |
9c8a64f0 | 3786 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE); |
65f19062 | 3787 | # endif |
a3635516 | 3788 | #endif |
65f19062 GS |
3789 | |
3790 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
9c8a64f0 | 3791 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE); |
00dc2f4f | 3792 | #endif |
65f19062 | 3793 | |
3b777bb4 GS |
3794 | #ifdef PERL_OTHERLIBDIRS |
3795 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE); | |
3796 | #endif | |
3797 | ||
3280af22 | 3798 | if (!PL_tainting) |
9c8a64f0 | 3799 | incpush(".", FALSE, FALSE); |
bf4acbe4 | 3800 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 3801 | } |
3802 | ||
ed79a026 | 3803 | #if defined(DOSISH) || defined(EPOC) |
774d564b | 3804 | # define PERLLIB_SEP ';' |
3805 | #else | |
3806 | # if defined(VMS) | |
3807 | # define PERLLIB_SEP '|' | |
3808 | # else | |
bf4acbe4 GS |
3809 | # if defined(MACOS_TRADITIONAL) |
3810 | # define PERLLIB_SEP ',' | |
3811 | # else | |
3812 | # define PERLLIB_SEP ':' | |
3813 | # endif | |
774d564b | 3814 | # endif |
3815 | #endif | |
3816 | #ifndef PERLLIB_MANGLE | |
3817 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 3818 | #endif |
774d564b | 3819 | |
76e3520e | 3820 | STATIC void |
9c8a64f0 | 3821 | S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers) |
774d564b | 3822 | { |
3823 | SV *subdir = Nullsv; | |
774d564b | 3824 | |
3b290362 | 3825 | if (!p || !*p) |
774d564b | 3826 | return; |
3827 | ||
9c8a64f0 | 3828 | if (addsubdirs || addoldvers) { |
00db4c45 | 3829 | subdir = sv_newmortal(); |
774d564b | 3830 | } |
3831 | ||
3832 | /* Break at all separators */ | |
3833 | while (p && *p) { | |
8c52afec | 3834 | SV *libdir = NEWSV(55,0); |
774d564b | 3835 | char *s; |
3836 | ||
3837 | /* skip any consecutive separators */ | |
3838 | while ( *p == PERLLIB_SEP ) { | |
3839 | /* Uncomment the next line for PATH semantics */ | |
79cb57f6 | 3840 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ |
774d564b | 3841 | p++; |
3842 | } | |
3843 | ||
3844 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
3845 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
3846 | (STRLEN)(s - p)); | |
3847 | p = s + 1; | |
3848 | } | |
3849 | else { | |
3850 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
3851 | p = Nullch; /* break out */ | |
3852 | } | |
bf4acbe4 | 3853 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
3854 | if (!strchr(SvPVX(libdir), ':')) { |
3855 | char buf[256]; | |
3856 | ||
3857 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
3858 | } | |
bf4acbe4 GS |
3859 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
3860 | sv_catpv(libdir, ":"); | |
3861 | #endif | |
774d564b | 3862 | |
3863 | /* | |
3864 | * BEFORE pushing libdir onto @INC we may first push version- and | |
3865 | * archname-specific sub-directories. | |
3866 | */ | |
9c8a64f0 | 3867 | if (addsubdirs || addoldvers) { |
29d82f8d | 3868 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
3869 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
3870 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
3871 | const char **incver; |
3872 | #endif | |
c623ac67 | 3873 | Stat_t tmpstatbuf; |
aa689395 | 3874 | #ifdef VMS |
3875 | char *unix; | |
3876 | STRLEN len; | |
774d564b | 3877 | |
2d8e6c8d | 3878 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 3879 | len = strlen(unix); |
3880 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
3881 | sv_usepvn(libdir,unix,len); | |
3882 | } | |
3883 | else | |
bf49b057 | 3884 | PerlIO_printf(Perl_error_log, |
aa689395 | 3885 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 3886 | SvPV(libdir,len)); |
aa689395 | 3887 | #endif |
9c8a64f0 | 3888 | if (addsubdirs) { |
bf4acbe4 GS |
3889 | #ifdef MACOS_TRADITIONAL |
3890 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
3891 | #define PERL_ARCH_FMT "%s:" |
3892 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
3893 | #else |
3894 | #define PERL_AV_SUFFIX_FMT "/" | |
3895 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 3896 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 3897 | #endif |
9c8a64f0 | 3898 | /* .../version/archname if -d .../version/archname */ |
084592ab | 3899 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
9c8a64f0 GS |
3900 | libdir, |
3901 | (int)PERL_REVISION, (int)PERL_VERSION, | |
3902 | (int)PERL_SUBVERSION, ARCHNAME); | |
3903 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3904 | S_ISDIR(tmpstatbuf.st_mode)) | |
3905 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4b03c463 | 3906 | |
9c8a64f0 | 3907 | /* .../version if -d .../version */ |
084592ab | 3908 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, libdir, |
9c8a64f0 GS |
3909 | (int)PERL_REVISION, (int)PERL_VERSION, |
3910 | (int)PERL_SUBVERSION); | |
3911 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3912 | S_ISDIR(tmpstatbuf.st_mode)) | |
3913 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
3914 | ||
3915 | /* .../archname if -d .../archname */ | |
bf4acbe4 | 3916 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, ARCHNAME); |
29d82f8d GS |
3917 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
3918 | S_ISDIR(tmpstatbuf.st_mode)) | |
3919 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
29d82f8d | 3920 | } |
9c8a64f0 | 3921 | |
9c8a64f0 | 3922 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 3923 | if (addoldvers) { |
9c8a64f0 GS |
3924 | for (incver = incverlist; *incver; incver++) { |
3925 | /* .../xxx if -d .../xxx */ | |
bf4acbe4 | 3926 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, *incver); |
9c8a64f0 GS |
3927 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
3928 | S_ISDIR(tmpstatbuf.st_mode)) | |
3929 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
3930 | } | |
3931 | } | |
29d82f8d | 3932 | #endif |
774d564b | 3933 | } |
3934 | ||
3935 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 3936 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 3937 | } |
34de22dd | 3938 | } |
93a17b20 | 3939 | |
4d1ff10f | 3940 | #ifdef USE_5005THREADS |
76e3520e | 3941 | STATIC struct perl_thread * |
cea2e8a9 | 3942 | S_init_main_thread(pTHX) |
199100c8 | 3943 | { |
c5be433b | 3944 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 3945 | struct perl_thread *thr; |
cea2e8a9 | 3946 | #endif |
199100c8 MB |
3947 | XPV *xpv; |
3948 | ||
52e1cb5e | 3949 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 3950 | PL_curcop = &PL_compiling; |
c5be433b | 3951 | thr->interp = PERL_GET_INTERP; |
199100c8 | 3952 | thr->cvcache = newHV(); |
54b9620d | 3953 | thr->threadsv = newAV(); |
940cb80d | 3954 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
3955 | thr->specific = newAV(); |
3956 | thr->flags = THRf_R_JOINABLE; | |
3957 | MUTEX_INIT(&thr->mutex); | |
3958 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 3959 | New(53, PL_thrsv, 1, SV); |
199100c8 | 3960 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
3961 | SvFLAGS(PL_thrsv) = SVt_PV; |
3962 | SvANY(PL_thrsv) = (void*)xpv; | |
3963 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
3964 | SvPVX(PL_thrsv) = (char*)thr; | |
3965 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
3966 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
3967 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
3968 | thr->oursv = PL_thrsv; | |
3969 | PL_chopset = " \n-"; | |
3967c732 | 3970 | PL_dumpindent = 4; |
533c011a NIS |
3971 | |
3972 | MUTEX_LOCK(&PL_threads_mutex); | |
3973 | PL_nthreads++; | |
199100c8 MB |
3974 | thr->tid = 0; |
3975 | thr->next = thr; | |
3976 | thr->prev = thr; | |
8dcd6f7b | 3977 | thr->thr_done = 0; |
533c011a | 3978 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 3979 | |
4b026b9e | 3980 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 3981 | Perl_init_thread_intern(thr); |
235db74f GS |
3982 | #endif |
3983 | ||
3984 | #ifdef SET_THREAD_SELF | |
3985 | SET_THREAD_SELF(thr); | |
199100c8 MB |
3986 | #else |
3987 | thr->self = pthread_self(); | |
235db74f | 3988 | #endif /* SET_THREAD_SELF */ |
06d86050 | 3989 | PERL_SET_THX(thr); |
199100c8 MB |
3990 | |
3991 | /* | |
411caa50 JH |
3992 | * These must come after the thread self setting |
3993 | * because sv_setpvn does SvTAINT and the taint | |
3994 | * fields thread selfness being set. | |
199100c8 | 3995 | */ |
533c011a NIS |
3996 | PL_toptarget = NEWSV(0,0); |
3997 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3998 | sv_setpvn(PL_toptarget, "", 0); | |
3999 | PL_bodytarget = NEWSV(0,0); | |
4000 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
4001 | sv_setpvn(PL_bodytarget, "", 0); | |
4002 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 4003 | thr->errsv = newSVpvn("", 0); |
78857c3c | 4004 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 4005 | |
533c011a | 4006 | PL_maxscream = -1; |
a2efc822 | 4007 | PL_peepp = MEMBER_TO_FPTR(Perl_peep); |
0b94c7bb GS |
4008 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
4009 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
4010 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
4011 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
4012 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
4013 | PL_regindent = 0; |
4014 | PL_reginterp_cnt = 0; | |
5c0ca799 | 4015 | |
199100c8 MB |
4016 | return thr; |
4017 | } | |
4d1ff10f | 4018 | #endif /* USE_5005THREADS */ |
199100c8 | 4019 | |
93a17b20 | 4020 | void |
864dbfa3 | 4021 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4022 | { |
971a9dd3 | 4023 | SV *atsv; |
57843af0 | 4024 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 4025 | CV *cv; |
22921e25 | 4026 | STRLEN len; |
6224f72b | 4027 | int ret; |
db36c5a1 | 4028 | dJMPENV; |
93a17b20 | 4029 | |
76e3520e | 4030 | while (AvFILL(paramList) >= 0) { |
312caa8e | 4031 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
4032 | if (PL_savebegin) { |
4033 | if (paramList == PL_beginav) { | |
059a8bb7 | 4034 | /* save PL_beginav for compiler */ |
ece599bd RGS |
4035 | if (! PL_beginav_save) |
4036 | PL_beginav_save = newAV(); | |
4037 | av_push(PL_beginav_save, (SV*)cv); | |
4038 | } | |
4039 | else if (paramList == PL_checkav) { | |
4040 | /* save PL_checkav for compiler */ | |
4041 | if (! PL_checkav_save) | |
4042 | PL_checkav_save = newAV(); | |
4043 | av_push(PL_checkav_save, (SV*)cv); | |
4044 | } | |
059a8bb7 JH |
4045 | } else { |
4046 | SAVEFREESV(cv); | |
4047 | } | |
14dd3ad8 GS |
4048 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
4049 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv); | |
4050 | #else | |
4051 | JMPENV_PUSH(ret); | |
4052 | #endif | |
6224f72b | 4053 | switch (ret) { |
312caa8e | 4054 | case 0: |
14dd3ad8 GS |
4055 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
4056 | call_list_body(cv); | |
4057 | #endif | |
971a9dd3 | 4058 | atsv = ERRSV; |
312caa8e CS |
4059 | (void)SvPV(atsv, len); |
4060 | if (len) { | |
971a9dd3 | 4061 | STRLEN n_a; |
312caa8e | 4062 | PL_curcop = &PL_compiling; |
57843af0 | 4063 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
4064 | if (paramList == PL_beginav) |
4065 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
4066 | else | |
4f25aa18 GS |
4067 | Perl_sv_catpvf(aTHX_ atsv, |
4068 | "%s failed--call queue aborted", | |
7d30b5c4 | 4069 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4070 | : paramList == PL_initav ? "INIT" |
4071 | : "END"); | |
312caa8e CS |
4072 | while (PL_scopestack_ix > oldscope) |
4073 | LEAVE; | |
14dd3ad8 | 4074 | JMPENV_POP; |
971a9dd3 | 4075 | Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a)); |
a0d0e21e | 4076 | } |
85e6fe83 | 4077 | break; |
6224f72b | 4078 | case 1: |
f86702cc | 4079 | STATUS_ALL_FAILURE; |
85e6fe83 | 4080 | /* FALL THROUGH */ |
6224f72b | 4081 | case 2: |
85e6fe83 | 4082 | /* my_exit() was called */ |
3280af22 | 4083 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4084 | LEAVE; |
84902520 | 4085 | FREETMPS; |
3280af22 | 4086 | PL_curstash = PL_defstash; |
3280af22 | 4087 | PL_curcop = &PL_compiling; |
57843af0 | 4088 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4089 | JMPENV_POP; |
cc3604b1 | 4090 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 4091 | if (paramList == PL_beginav) |
cea2e8a9 | 4092 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 4093 | else |
4f25aa18 | 4094 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 4095 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4096 | : paramList == PL_initav ? "INIT" |
4097 | : "END"); | |
85e6fe83 | 4098 | } |
f86702cc | 4099 | my_exit_jump(); |
85e6fe83 | 4100 | /* NOTREACHED */ |
6224f72b | 4101 | case 3: |
312caa8e CS |
4102 | if (PL_restartop) { |
4103 | PL_curcop = &PL_compiling; | |
57843af0 | 4104 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4105 | JMPENV_JUMP(3); |
85e6fe83 | 4106 | } |
bf49b057 | 4107 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4108 | FREETMPS; |
4109 | break; | |
8990e307 | 4110 | } |
14dd3ad8 | 4111 | JMPENV_POP; |
93a17b20 | 4112 | } |
93a17b20 | 4113 | } |
93a17b20 | 4114 | |
14dd3ad8 | 4115 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 4116 | STATIC void * |
14dd3ad8 | 4117 | S_vcall_list_body(pTHX_ va_list args) |
312caa8e | 4118 | { |
312caa8e | 4119 | CV *cv = va_arg(args, CV*); |
14dd3ad8 GS |
4120 | return call_list_body(cv); |
4121 | } | |
4122 | #endif | |
312caa8e | 4123 | |
14dd3ad8 GS |
4124 | STATIC void * |
4125 | S_call_list_body(pTHX_ CV *cv) | |
4126 | { | |
312caa8e | 4127 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 4128 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
4129 | return NULL; |
4130 | } | |
4131 | ||
f86702cc | 4132 | void |
864dbfa3 | 4133 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4134 | { |
8b73bbec | 4135 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 4136 | thr, (unsigned long) status)); |
f86702cc | 4137 | switch (status) { |
4138 | case 0: | |
4139 | STATUS_ALL_SUCCESS; | |
4140 | break; | |
4141 | case 1: | |
4142 | STATUS_ALL_FAILURE; | |
4143 | break; | |
4144 | default: | |
4145 | STATUS_NATIVE_SET(status); | |
4146 | break; | |
4147 | } | |
4148 | my_exit_jump(); | |
4149 | } | |
4150 | ||
4151 | void | |
864dbfa3 | 4152 | Perl_my_failure_exit(pTHX) |
f86702cc | 4153 | { |
4154 | #ifdef VMS | |
4155 | if (vaxc$errno & 1) { | |
4fdae800 | 4156 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
4157 | STATUS_NATIVE_SET(44); | |
f86702cc | 4158 | } |
4159 | else { | |
ff0cee69 | 4160 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 4161 | STATUS_NATIVE_SET(44); |
f86702cc | 4162 | else |
4fdae800 | 4163 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 4164 | } |
4165 | #else | |
9b599b2a | 4166 | int exitstatus; |
f86702cc | 4167 | if (errno & 255) |
4168 | STATUS_POSIX_SET(errno); | |
9b599b2a | 4169 | else { |
ac27b0f5 | 4170 | exitstatus = STATUS_POSIX >> 8; |
9b599b2a GS |
4171 | if (exitstatus & 255) |
4172 | STATUS_POSIX_SET(exitstatus); | |
4173 | else | |
4174 | STATUS_POSIX_SET(255); | |
4175 | } | |
f86702cc | 4176 | #endif |
4177 | my_exit_jump(); | |
93a17b20 LW |
4178 | } |
4179 | ||
76e3520e | 4180 | STATIC void |
cea2e8a9 | 4181 | S_my_exit_jump(pTHX) |
f86702cc | 4182 | { |
c09156bb | 4183 | register PERL_CONTEXT *cx; |
f86702cc | 4184 | I32 gimme; |
4185 | SV **newsp; | |
4186 | ||
3280af22 NIS |
4187 | if (PL_e_script) { |
4188 | SvREFCNT_dec(PL_e_script); | |
4189 | PL_e_script = Nullsv; | |
f86702cc | 4190 | } |
4191 | ||
3280af22 | 4192 | POPSTACK_TO(PL_mainstack); |
f86702cc | 4193 | if (cxstack_ix >= 0) { |
4194 | if (cxstack_ix > 0) | |
4195 | dounwind(0); | |
3280af22 | 4196 | POPBLOCK(cx,PL_curpm); |
f86702cc | 4197 | LEAVE; |
4198 | } | |
ff0cee69 | 4199 | |
6224f72b | 4200 | JMPENV_JUMP(2); |
f86702cc | 4201 | } |
873ef191 | 4202 | |
0cb96387 | 4203 | static I32 |
acfe0abc | 4204 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 GS |
4205 | { |
4206 | char *p, *nl; | |
3280af22 | 4207 | p = SvPVX(PL_e_script); |
873ef191 | 4208 | nl = strchr(p, '\n'); |
3280af22 | 4209 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4210 | if (nl-p == 0) { |
0cb96387 | 4211 | filter_del(read_e_script); |
873ef191 | 4212 | return 0; |
7dfe3f66 | 4213 | } |
873ef191 | 4214 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4215 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4216 | return 1; |
4217 | } |