Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
4eb8286e | 3 | * Copyright (c) 1987-1999 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 | |
df5cef82 | 19 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
20 | #ifdef I_UNISTD |
21 | #include <unistd.h> | |
22 | #endif | |
a0d0e21e | 23 | |
54310121 | 24 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
20ce7b12 | 25 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 26 | #endif |
27 | ||
0cb96387 GS |
28 | static I32 read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen); |
29 | ||
51fa4eea JH |
30 | #ifdef I_FCNTL |
31 | #include <fcntl.h> | |
32 | #endif | |
33 | #ifdef I_SYS_FILE | |
34 | #include <sys/file.h> | |
35 | #endif | |
36 | ||
a687059c LW |
37 | #ifdef IAMSUID |
38 | #ifndef DOSUID | |
39 | #define DOSUID | |
40 | #endif | |
41 | #endif | |
378cc40b | 42 | |
a687059c LW |
43 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
44 | #ifdef DOSUID | |
45 | #undef DOSUID | |
46 | #endif | |
47 | #endif | |
8d063cd8 | 48 | |
873ef191 | 49 | #ifdef PERL_OBJECT |
7766f137 GS |
50 | #define perl_construct Perl_construct |
51 | #define perl_parse Perl_parse | |
52 | #define perl_run Perl_run | |
53 | #define perl_destruct Perl_destruct | |
54 | #define perl_free Perl_free | |
55 | #endif | |
32e30700 GS |
56 | |
57 | #ifdef PERL_IMPLICIT_SYS | |
58 | PerlInterpreter * | |
7766f137 GS |
59 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
60 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
61 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
62 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
63 | struct IPerlProc* ipP) | |
64 | { | |
65 | PerlInterpreter *my_perl; | |
7766f137 GS |
66 | #ifdef PERL_OBJECT |
67 | my_perl = (PerlInterpreter*)new(ipM) CPerlObj(ipM, ipMS, ipMP, ipE, ipStd, | |
68 | ipLIO, ipD, ipS, ipP); | |
69 | PERL_SET_INTERP(my_perl); | |
70 | #else | |
32e30700 GS |
71 | /* New() needs interpreter, so call malloc() instead */ |
72 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
73 | PERL_SET_INTERP(my_perl); | |
74 | Zero(my_perl, 1, PerlInterpreter); | |
75 | PL_Mem = ipM; | |
7766f137 GS |
76 | PL_MemShared = ipMS; |
77 | PL_MemParse = ipMP; | |
32e30700 GS |
78 | PL_Env = ipE; |
79 | PL_StdIO = ipStd; | |
80 | PL_LIO = ipLIO; | |
81 | PL_Dir = ipD; | |
82 | PL_Sock = ipS; | |
83 | PL_Proc = ipP; | |
7766f137 GS |
84 | #endif |
85 | ||
32e30700 GS |
86 | return my_perl; |
87 | } | |
88 | #else | |
93a17b20 | 89 | PerlInterpreter * |
cea2e8a9 | 90 | perl_alloc(void) |
79072805 | 91 | { |
cea2e8a9 | 92 | PerlInterpreter *my_perl; |
79072805 | 93 | |
54aff467 | 94 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 95 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
c5be433b | 96 | PERL_SET_INTERP(my_perl); |
cea2e8a9 | 97 | return my_perl; |
79072805 | 98 | } |
32e30700 | 99 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 LW |
100 | |
101 | void | |
0cb96387 | 102 | perl_construct(pTHXx) |
79072805 | 103 | { |
a863c7d1 MB |
104 | #ifdef USE_THREADS |
105 | int i; | |
106 | #ifndef FAKE_THREADS | |
e1f15930 | 107 | struct perl_thread *thr = NULL; |
a863c7d1 MB |
108 | #endif /* FAKE_THREADS */ |
109 | #endif /* USE_THREADS */ | |
11343788 | 110 | |
8990e307 | 111 | #ifdef MULTIPLICITY |
54aff467 GS |
112 | init_interp(); |
113 | PL_perl_destruct_level = 1; | |
114 | #else | |
115 | if (PL_perl_destruct_level > 0) | |
116 | init_interp(); | |
117 | #endif | |
118 | ||
33f46ff6 | 119 | /* Init the real globals (and main thread)? */ |
3280af22 | 120 | if (!PL_linestr) { |
11343788 | 121 | #ifdef USE_THREADS |
8023c3ce | 122 | |
33f46ff6 | 123 | INIT_THREADS; |
d55594ae GS |
124 | #ifdef ALLOC_THREAD_KEY |
125 | ALLOC_THREAD_KEY; | |
126 | #else | |
533c011a | 127 | if (pthread_key_create(&PL_thr_key, 0)) |
cea2e8a9 | 128 | Perl_croak(aTHX_ "panic: pthread_key_create"); |
d55594ae | 129 | #endif |
533c011a | 130 | MUTEX_INIT(&PL_sv_mutex); |
a863c7d1 MB |
131 | /* |
132 | * Safe to use basic SV functions from now on (though | |
133 | * not things like mortals or tainting yet). | |
134 | */ | |
533c011a NIS |
135 | MUTEX_INIT(&PL_eval_mutex); |
136 | COND_INIT(&PL_eval_cond); | |
137 | MUTEX_INIT(&PL_threads_mutex); | |
138 | COND_INIT(&PL_nthreads_cond); | |
dce16143 | 139 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
533c011a | 140 | MUTEX_INIT(&PL_svref_mutex); |
dce16143 | 141 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 | 142 | |
5ff3f7a4 GS |
143 | MUTEX_INIT(&PL_cred_mutex); |
144 | ||
199100c8 | 145 | thr = init_main_thread(); |
11343788 MB |
146 | #endif /* USE_THREADS */ |
147 | ||
0b94c7bb | 148 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
312caa8e | 149 | |
2aea9f8a GS |
150 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
151 | ||
3280af22 NIS |
152 | PL_linestr = NEWSV(65,79); |
153 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 154 | |
3280af22 | 155 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
156 | /* set read-only and try to insure than we wont see REFCNT==0 |
157 | very often */ | |
158 | ||
3280af22 NIS |
159 | SvREADONLY_on(&PL_sv_undef); |
160 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 161 | |
3280af22 NIS |
162 | sv_setpv(&PL_sv_no,PL_No); |
163 | SvNV(&PL_sv_no); | |
164 | SvREADONLY_on(&PL_sv_no); | |
165 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 166 | |
3280af22 NIS |
167 | sv_setpv(&PL_sv_yes,PL_Yes); |
168 | SvNV(&PL_sv_yes); | |
169 | SvREADONLY_on(&PL_sv_yes); | |
170 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 171 | } |
79072805 | 172 | |
76e3520e GS |
173 | #ifdef PERL_OBJECT |
174 | /* TODO: */ | |
6b88bc9c | 175 | /* PL_sighandlerp = sighandler; */ |
76e3520e | 176 | #else |
cea2e8a9 | 177 | PL_sighandlerp = Perl_sighandler; |
76e3520e | 178 | #endif |
3280af22 | 179 | PL_pidstatus = newHV(); |
44a8e56a | 180 | |
79072805 LW |
181 | #ifdef MSDOS |
182 | /* | |
183 | * There is no way we can refer to them from Perl so close them to save | |
184 | * space. The other alternative would be to provide STDAUX and STDPRN | |
185 | * filehandles. | |
186 | */ | |
187 | (void)fclose(stdaux); | |
188 | (void)fclose(stdprn); | |
189 | #endif | |
190 | } | |
191 | ||
79cb57f6 | 192 | PL_nrs = newSVpvn("\n", 1); |
3280af22 | 193 | PL_rs = SvREFCNT_inc(PL_nrs); |
dc92893f | 194 | |
cea2e8a9 | 195 | init_stacks(); |
79072805 | 196 | |
748a9306 | 197 | init_ids(); |
3280af22 | 198 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 199 | |
312caa8e | 200 | JMPENV_BOOTSTRAP; |
f86702cc | 201 | STATUS_ALL_SUCCESS; |
202 | ||
0672f40e | 203 | init_i18nl10n(1); |
36477c24 | 204 | SET_NUMERIC_STANDARD(); |
0b5b802d | 205 | |
cceca5ed GS |
206 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
207 | sprintf(PL_patchlevel, "%7.5f", (double) PERL_REVISION | |
208 | + ((double) PERL_VERSION / (double) 1000) | |
209 | + ((double) PERL_SUBVERSION / (double) 100000)); | |
a5f75d66 | 210 | #else |
cceca5ed GS |
211 | sprintf(PL_patchlevel, "%5.3f", (double) PERL_REVISION + |
212 | ((double) PERL_VERSION / (double) 1000)); | |
a5f75d66 | 213 | #endif |
79072805 | 214 | |
ab821d7f | 215 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 216 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 217 | #endif |
218 | ||
4b556e6c | 219 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 220 | |
3280af22 NIS |
221 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
222 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 223 | |
8990e307 | 224 | ENTER; |
79072805 LW |
225 | } |
226 | ||
227 | void | |
0cb96387 | 228 | perl_destruct(pTHXx) |
79072805 | 229 | { |
11343788 | 230 | dTHR; |
748a9306 | 231 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 232 | I32 last_sv_count; |
a0d0e21e | 233 | HV *hv; |
1f2bfc8a | 234 | #ifdef USE_THREADS |
33f46ff6 | 235 | Thread t; |
cea2e8a9 | 236 | dTHX; |
1f2bfc8a | 237 | #endif /* USE_THREADS */ |
8990e307 | 238 | |
7766f137 GS |
239 | /* wait for all pseudo-forked children to finish */ |
240 | PERL_WAIT_FOR_CHILDREN; | |
241 | ||
11343788 | 242 | #ifdef USE_THREADS |
0f15f207 | 243 | #ifndef FAKE_THREADS |
8023c3ce MB |
244 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
245 | retry_cleanup: | |
533c011a | 246 | MUTEX_LOCK(&PL_threads_mutex); |
bf49b057 | 247 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 248 | "perl_destruct: waiting for %d threads...\n", |
533c011a | 249 | PL_nthreads - 1)); |
33f46ff6 | 250 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 MB |
251 | MUTEX_LOCK(&t->mutex); |
252 | switch (ThrSTATE(t)) { | |
253 | AV *av; | |
c7848ba1 | 254 | case THRf_ZOMBIE: |
bf49b057 | 255 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 256 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 MB |
257 | ThrSETSTATE(t, THRf_DEAD); |
258 | MUTEX_UNLOCK(&t->mutex); | |
533c011a | 259 | PL_nthreads--; |
8023c3ce MB |
260 | /* |
261 | * The SvREFCNT_dec below may take a long time (e.g. av | |
262 | * may contain an object scalar whose destructor gets | |
263 | * called) so we have to unlock threads_mutex and start | |
264 | * all over again. | |
265 | */ | |
533c011a | 266 | MUTEX_UNLOCK(&PL_threads_mutex); |
ea0efc06 | 267 | JOIN(t, &av); |
605e5515 | 268 | SvREFCNT_dec((SV*)av); |
bf49b057 | 269 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 270 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce | 271 | goto retry_cleanup; |
c7848ba1 | 272 | case THRf_R_JOINABLE: |
bf49b057 | 273 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
274 | "perl_destruct: detaching thread %p\n", t)); |
275 | ThrSETSTATE(t, THRf_R_DETACHED); | |
276 | /* | |
277 | * We unlock threads_mutex and t->mutex in the opposite order | |
278 | * from which we locked them just so that DETACH won't | |
279 | * deadlock if it panics. It's only a breach of good style | |
280 | * not a bug since they are unlocks not locks. | |
281 | */ | |
533c011a | 282 | MUTEX_UNLOCK(&PL_threads_mutex); |
c7848ba1 MB |
283 | DETACH(t); |
284 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 285 | goto retry_cleanup; |
c7848ba1 | 286 | default: |
bf49b057 | 287 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 MB |
288 | "perl_destruct: ignoring %p (state %u)\n", |
289 | t, ThrSTATE(t))); | |
290 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 291 | /* fall through and out */ |
33f46ff6 MB |
292 | } |
293 | } | |
8023c3ce MB |
294 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
295 | ||
296 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
533c011a | 297 | while (PL_nthreads > 1) |
11343788 | 298 | { |
bf49b057 | 299 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
c7848ba1 | 300 | "perl_destruct: final wait for %d threads\n", |
533c011a NIS |
301 | PL_nthreads - 1)); |
302 | COND_WAIT(&PL_nthreads_cond, &PL_threads_mutex); | |
11343788 MB |
303 | } |
304 | /* At this point, we're the last thread */ | |
533c011a | 305 | MUTEX_UNLOCK(&PL_threads_mutex); |
bf49b057 | 306 | DEBUG_S(PerlIO_printf(Perl_debug_log, "perl_destruct: armageddon has arrived\n")); |
533c011a NIS |
307 | MUTEX_DESTROY(&PL_threads_mutex); |
308 | COND_DESTROY(&PL_nthreads_cond); | |
0f15f207 | 309 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
310 | #endif /* USE_THREADS */ |
311 | ||
3280af22 | 312 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
313 | #ifdef DEBUGGING |
314 | { | |
315 | char *s; | |
76e3520e | 316 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 317 | int i = atoi(s); |
318 | if (destruct_level < i) | |
319 | destruct_level = i; | |
320 | } | |
4633a7c4 LW |
321 | } |
322 | #endif | |
323 | ||
8990e307 | 324 | LEAVE; |
a0d0e21e LW |
325 | FREETMPS; |
326 | ||
ff0cee69 | 327 | /* We must account for everything. */ |
328 | ||
329 | /* Destroy the main CV and syntax tree */ | |
3280af22 NIS |
330 | if (PL_main_root) { |
331 | PL_curpad = AvARRAY(PL_comppad); | |
332 | op_free(PL_main_root); | |
333 | PL_main_root = Nullop; | |
a0d0e21e | 334 | } |
3280af22 NIS |
335 | PL_curcop = &PL_compiling; |
336 | PL_main_start = Nullop; | |
337 | SvREFCNT_dec(PL_main_cv); | |
338 | PL_main_cv = Nullcv; | |
24d3c518 | 339 | PL_dirty = TRUE; |
ff0cee69 | 340 | |
3280af22 | 341 | if (PL_sv_objcount) { |
a0d0e21e LW |
342 | /* |
343 | * Try to destruct global references. We do this first so that the | |
344 | * destructors and destructees still exist. Some sv's might remain. | |
345 | * Non-referenced objects are on their own. | |
346 | */ | |
a0d0e21e | 347 | sv_clean_objs(); |
8990e307 LW |
348 | } |
349 | ||
5cd24f17 | 350 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
351 | SvREFCNT_dec(PL_warnhook); |
352 | PL_warnhook = Nullsv; | |
353 | SvREFCNT_dec(PL_diehook); | |
354 | PL_diehook = Nullsv; | |
5cd24f17 | 355 | |
4b556e6c | 356 | /* call exit list functions */ |
3280af22 | 357 | while (PL_exitlistlen-- > 0) |
0cb96387 | 358 | PL_exitlist[PL_exitlistlen].fn(aTHXo_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 359 | |
3280af22 | 360 | Safefree(PL_exitlist); |
4b556e6c | 361 | |
a0d0e21e | 362 | if (destruct_level == 0){ |
8990e307 | 363 | |
a0d0e21e LW |
364 | DEBUG_P(debprofdump()); |
365 | ||
366 | /* The exit() function will do everything that needs doing. */ | |
367 | return; | |
368 | } | |
5dd60ef7 | 369 | |
5f05dabc | 370 | /* loosen bonds of global variables */ |
371 | ||
3280af22 NIS |
372 | if(PL_rsfp) { |
373 | (void)PerlIO_close(PL_rsfp); | |
374 | PL_rsfp = Nullfp; | |
8ebc5c01 | 375 | } |
376 | ||
377 | /* Filters for program text */ | |
3280af22 NIS |
378 | SvREFCNT_dec(PL_rsfp_filters); |
379 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 380 | |
381 | /* switches */ | |
3280af22 NIS |
382 | PL_preprocess = FALSE; |
383 | PL_minus_n = FALSE; | |
384 | PL_minus_p = FALSE; | |
385 | PL_minus_l = FALSE; | |
386 | PL_minus_a = FALSE; | |
387 | PL_minus_F = FALSE; | |
388 | PL_doswitches = FALSE; | |
599cee73 | 389 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
390 | PL_doextract = FALSE; |
391 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
392 | PL_unsafe = FALSE; |
393 | ||
394 | Safefree(PL_inplace); | |
395 | PL_inplace = Nullch; | |
396 | ||
397 | if (PL_e_script) { | |
398 | SvREFCNT_dec(PL_e_script); | |
399 | PL_e_script = Nullsv; | |
8ebc5c01 | 400 | } |
401 | ||
402 | /* magical thingies */ | |
403 | ||
3280af22 NIS |
404 | Safefree(PL_ofs); /* $, */ |
405 | PL_ofs = Nullch; | |
5f05dabc | 406 | |
3280af22 NIS |
407 | Safefree(PL_ors); /* $\ */ |
408 | PL_ors = Nullch; | |
8ebc5c01 | 409 | |
3280af22 NIS |
410 | SvREFCNT_dec(PL_rs); /* $/ */ |
411 | PL_rs = Nullsv; | |
dc92893f | 412 | |
3280af22 NIS |
413 | SvREFCNT_dec(PL_nrs); /* $/ helper */ |
414 | PL_nrs = Nullsv; | |
5f05dabc | 415 | |
3280af22 | 416 | PL_multiline = 0; /* $* */ |
5f05dabc | 417 | |
3280af22 NIS |
418 | SvREFCNT_dec(PL_statname); |
419 | PL_statname = Nullsv; | |
420 | PL_statgv = Nullgv; | |
5f05dabc | 421 | |
8ebc5c01 | 422 | /* defgv, aka *_ should be taken care of elsewhere */ |
423 | ||
8ebc5c01 | 424 | /* clean up after study() */ |
3280af22 NIS |
425 | SvREFCNT_dec(PL_lastscream); |
426 | PL_lastscream = Nullsv; | |
427 | Safefree(PL_screamfirst); | |
428 | PL_screamfirst = 0; | |
429 | Safefree(PL_screamnext); | |
430 | PL_screamnext = 0; | |
8ebc5c01 | 431 | |
7d5ea4e7 GS |
432 | /* float buffer */ |
433 | Safefree(PL_efloatbuf); | |
434 | PL_efloatbuf = Nullch; | |
435 | PL_efloatsize = 0; | |
436 | ||
8ebc5c01 | 437 | /* startup and shutdown function lists */ |
3280af22 NIS |
438 | SvREFCNT_dec(PL_beginav); |
439 | SvREFCNT_dec(PL_endav); | |
4f25aa18 | 440 | SvREFCNT_dec(PL_stopav); |
3280af22 NIS |
441 | SvREFCNT_dec(PL_initav); |
442 | PL_beginav = Nullav; | |
443 | PL_endav = Nullav; | |
4f25aa18 | 444 | PL_stopav = Nullav; |
3280af22 | 445 | PL_initav = Nullav; |
5618dfe8 | 446 | |
8ebc5c01 | 447 | /* shortcuts just get cleared */ |
3280af22 | 448 | PL_envgv = Nullgv; |
3280af22 NIS |
449 | PL_incgv = Nullgv; |
450 | PL_hintgv = Nullgv; | |
451 | PL_errgv = Nullgv; | |
452 | PL_argvgv = Nullgv; | |
453 | PL_argvoutgv = Nullgv; | |
454 | PL_stdingv = Nullgv; | |
bf49b057 | 455 | PL_stderrgv = Nullgv; |
3280af22 NIS |
456 | PL_last_in_gv = Nullgv; |
457 | PL_replgv = Nullgv; | |
5c831c24 | 458 | PL_debstash = Nullhv; |
8ebc5c01 | 459 | |
460 | /* reset so print() ends up where we expect */ | |
461 | setdefout(Nullgv); | |
5c831c24 | 462 | |
7a1c5554 GS |
463 | SvREFCNT_dec(PL_argvout_stack); |
464 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 465 | |
5c831c24 GS |
466 | SvREFCNT_dec(PL_fdpid); |
467 | PL_fdpid = Nullav; | |
468 | SvREFCNT_dec(PL_modglobal); | |
469 | PL_modglobal = Nullhv; | |
470 | SvREFCNT_dec(PL_preambleav); | |
471 | PL_preambleav = Nullav; | |
472 | SvREFCNT_dec(PL_subname); | |
473 | PL_subname = Nullsv; | |
474 | SvREFCNT_dec(PL_linestr); | |
475 | PL_linestr = Nullsv; | |
476 | SvREFCNT_dec(PL_pidstatus); | |
477 | PL_pidstatus = Nullhv; | |
478 | SvREFCNT_dec(PL_toptarget); | |
479 | PL_toptarget = Nullsv; | |
480 | SvREFCNT_dec(PL_bodytarget); | |
481 | PL_bodytarget = Nullsv; | |
482 | PL_formtarget = Nullsv; | |
483 | ||
484 | /* clear utf8 character classes */ | |
485 | SvREFCNT_dec(PL_utf8_alnum); | |
486 | SvREFCNT_dec(PL_utf8_alnumc); | |
487 | SvREFCNT_dec(PL_utf8_ascii); | |
488 | SvREFCNT_dec(PL_utf8_alpha); | |
489 | SvREFCNT_dec(PL_utf8_space); | |
490 | SvREFCNT_dec(PL_utf8_cntrl); | |
491 | SvREFCNT_dec(PL_utf8_graph); | |
492 | SvREFCNT_dec(PL_utf8_digit); | |
493 | SvREFCNT_dec(PL_utf8_upper); | |
494 | SvREFCNT_dec(PL_utf8_lower); | |
495 | SvREFCNT_dec(PL_utf8_print); | |
496 | SvREFCNT_dec(PL_utf8_punct); | |
497 | SvREFCNT_dec(PL_utf8_xdigit); | |
498 | SvREFCNT_dec(PL_utf8_mark); | |
499 | SvREFCNT_dec(PL_utf8_toupper); | |
500 | SvREFCNT_dec(PL_utf8_tolower); | |
501 | PL_utf8_alnum = Nullsv; | |
502 | PL_utf8_alnumc = Nullsv; | |
503 | PL_utf8_ascii = Nullsv; | |
504 | PL_utf8_alpha = Nullsv; | |
505 | PL_utf8_space = Nullsv; | |
506 | PL_utf8_cntrl = Nullsv; | |
507 | PL_utf8_graph = Nullsv; | |
508 | PL_utf8_digit = Nullsv; | |
509 | PL_utf8_upper = Nullsv; | |
510 | PL_utf8_lower = Nullsv; | |
511 | PL_utf8_print = Nullsv; | |
512 | PL_utf8_punct = Nullsv; | |
513 | PL_utf8_xdigit = Nullsv; | |
514 | PL_utf8_mark = Nullsv; | |
515 | PL_utf8_toupper = Nullsv; | |
516 | PL_utf8_totitle = Nullsv; | |
517 | PL_utf8_tolower = Nullsv; | |
518 | ||
971a9dd3 GS |
519 | if (!specialWARN(PL_compiling.cop_warnings)) |
520 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 GS |
521 | PL_compiling.cop_warnings = Nullsv; |
522 | ||
a0d0e21e | 523 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 524 | |
3280af22 NIS |
525 | hv = PL_defstash; |
526 | PL_defstash = 0; | |
a0d0e21e | 527 | SvREFCNT_dec(hv); |
5c831c24 GS |
528 | SvREFCNT_dec(PL_curstname); |
529 | PL_curstname = Nullsv; | |
a0d0e21e | 530 | |
5a844595 GS |
531 | /* clear queued errors */ |
532 | SvREFCNT_dec(PL_errors); | |
533 | PL_errors = Nullsv; | |
534 | ||
a0d0e21e | 535 | FREETMPS; |
0453d815 | 536 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 537 | if (PL_scopestack_ix != 0) |
0453d815 PM |
538 | Perl_warner(aTHX_ WARN_INTERNAL, |
539 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
3280af22 NIS |
540 | (long)PL_scopestack_ix); |
541 | if (PL_savestack_ix != 0) | |
0453d815 PM |
542 | Perl_warner(aTHX_ WARN_INTERNAL, |
543 | "Unbalanced saves: %ld more saves than restores\n", | |
3280af22 NIS |
544 | (long)PL_savestack_ix); |
545 | if (PL_tmps_floor != -1) | |
0453d815 | 546 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 547 | (long)PL_tmps_floor + 1); |
a0d0e21e | 548 | if (cxstack_ix != -1) |
0453d815 | 549 | Perl_warner(aTHX_ WARN_INTERNAL,"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 550 | (long)cxstack_ix + 1); |
a0d0e21e | 551 | } |
8990e307 LW |
552 | |
553 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 554 | last_sv_count = 0; |
3280af22 NIS |
555 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
556 | while (PL_sv_count != 0 && PL_sv_count != last_sv_count) { | |
557 | last_sv_count = PL_sv_count; | |
8990e307 LW |
558 | sv_clean_all(); |
559 | } | |
3280af22 NIS |
560 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
561 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
6e72f9df | 562 | |
563 | /* Destruct the global string table. */ | |
564 | { | |
565 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
566 | * so that sv_free() won't fail on them. | |
567 | */ | |
568 | I32 riter; | |
569 | I32 max; | |
570 | HE *hent; | |
571 | HE **array; | |
572 | ||
573 | riter = 0; | |
3280af22 NIS |
574 | max = HvMAX(PL_strtab); |
575 | array = HvARRAY(PL_strtab); | |
6e72f9df | 576 | hent = array[0]; |
577 | for (;;) { | |
0453d815 PM |
578 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
579 | Perl_warner(aTHX_ WARN_INTERNAL, | |
580 | "Unbalanced string table refcount: (%d) for \"%s\"", | |
6e72f9df | 581 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
582 | HeVAL(hent) = Nullsv; | |
583 | hent = HeNEXT(hent); | |
584 | } | |
585 | if (!hent) { | |
586 | if (++riter > max) | |
587 | break; | |
588 | hent = array[riter]; | |
589 | } | |
590 | } | |
591 | } | |
3280af22 | 592 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 593 | |
0453d815 PM |
594 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
595 | Perl_warner(aTHX_ WARN_INTERNAL,"Scalars leaked: %ld\n", (long)PL_sv_count); | |
6e72f9df | 596 | |
4633a7c4 | 597 | sv_free_arenas(); |
44a8e56a | 598 | |
599 | /* No SVs have survived, need to clean out */ | |
3280af22 NIS |
600 | Safefree(PL_origfilename); |
601 | Safefree(PL_archpat_auto); | |
602 | Safefree(PL_reg_start_tmp); | |
5c5e4c24 IZ |
603 | if (PL_reg_curpm) |
604 | Safefree(PL_reg_curpm); | |
82ba1be6 | 605 | Safefree(PL_reg_poscache); |
3280af22 NIS |
606 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); |
607 | Safefree(PL_op_mask); | |
6e72f9df | 608 | nuke_stacks(); |
3280af22 | 609 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
610 | |
611 | DEBUG_P(debprofdump()); | |
11343788 | 612 | #ifdef USE_THREADS |
5f08fbcd | 613 | MUTEX_DESTROY(&PL_strtab_mutex); |
533c011a NIS |
614 | MUTEX_DESTROY(&PL_sv_mutex); |
615 | MUTEX_DESTROY(&PL_eval_mutex); | |
5ff3f7a4 | 616 | MUTEX_DESTROY(&PL_cred_mutex); |
533c011a | 617 | COND_DESTROY(&PL_eval_cond); |
11d617a5 GS |
618 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
619 | MUTEX_DESTROY(&PL_svref_mutex); | |
620 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
fc36a67e | 621 | |
8023c3ce | 622 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
533c011a NIS |
623 | Safefree(SvPVX(PL_thrsv)); |
624 | Safefree(SvANY(PL_thrsv)); | |
625 | Safefree(PL_thrsv); | |
626 | PL_thrsv = Nullsv; | |
8023c3ce MB |
627 | #endif /* USE_THREADS */ |
628 | ||
fc36a67e | 629 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
630 | ||
3280af22 | 631 | if (PL_mess_sv) { |
9c63abab GS |
632 | /* it could have accumulated taint magic */ |
633 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
634 | MAGIC* mg; | |
635 | MAGIC* moremagic; | |
636 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
637 | moremagic = mg->mg_moremagic; | |
638 | if (mg->mg_ptr && mg->mg_type != 'g' && mg->mg_len >= 0) | |
639 | Safefree(mg->mg_ptr); | |
640 | Safefree(mg); | |
641 | } | |
642 | } | |
fc36a67e | 643 | /* we know that type >= SVt_PV */ |
3280af22 NIS |
644 | SvOOK_off(PL_mess_sv); |
645 | Safefree(SvPVX(PL_mess_sv)); | |
646 | Safefree(SvANY(PL_mess_sv)); | |
647 | Safefree(PL_mess_sv); | |
648 | PL_mess_sv = Nullsv; | |
fc36a67e | 649 | } |
79072805 LW |
650 | } |
651 | ||
652 | void | |
0cb96387 | 653 | perl_free(pTHXx) |
79072805 | 654 | { |
c5be433b | 655 | #if defined(PERL_OBJECT) |
7f0d82f7 | 656 | PerlMem_free(this); |
76e3520e | 657 | #else |
7f0d82f7 | 658 | PerlMem_free(aTHXx); |
76e3520e | 659 | #endif |
79072805 LW |
660 | } |
661 | ||
4b556e6c | 662 | void |
864dbfa3 | 663 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 664 | { |
3280af22 NIS |
665 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
666 | PL_exitlist[PL_exitlistlen].fn = fn; | |
667 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
668 | ++PL_exitlistlen; | |
4b556e6c JD |
669 | } |
670 | ||
79072805 | 671 | int |
0cb96387 | 672 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 673 | { |
11343788 | 674 | dTHR; |
6224f72b | 675 | I32 oldscope; |
6224f72b | 676 | int ret; |
db36c5a1 | 677 | dJMPENV; |
cea2e8a9 GS |
678 | #ifdef USE_THREADS |
679 | dTHX; | |
680 | #endif | |
8d063cd8 | 681 | |
a687059c LW |
682 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
683 | #ifdef IAMSUID | |
684 | #undef IAMSUID | |
cea2e8a9 | 685 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
686 | setuid perl scripts securely.\n"); |
687 | #endif | |
688 | #endif | |
689 | ||
8f1f23e8 | 690 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
6e72f9df | 691 | _dyld_lookup_and_bind |
692 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
693 | #endif /* environ */ | |
694 | ||
3280af22 NIS |
695 | PL_origargv = argv; |
696 | PL_origargc = argc; | |
a0d0e21e | 697 | #ifndef VMS /* VMS doesn't have environ array */ |
3280af22 | 698 | PL_origenviron = environ; |
a0d0e21e LW |
699 | #endif |
700 | ||
3280af22 | 701 | if (PL_do_undump) { |
a0d0e21e LW |
702 | |
703 | /* Come here if running an undumped a.out. */ | |
704 | ||
3280af22 NIS |
705 | PL_origfilename = savepv(argv[0]); |
706 | PL_do_undump = FALSE; | |
a0d0e21e | 707 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 708 | init_ids(); |
a0d0e21e LW |
709 | init_postdump_symbols(argc,argv,env); |
710 | return 0; | |
711 | } | |
712 | ||
3280af22 NIS |
713 | if (PL_main_root) { |
714 | PL_curpad = AvARRAY(PL_comppad); | |
715 | op_free(PL_main_root); | |
716 | PL_main_root = Nullop; | |
ff0cee69 | 717 | } |
3280af22 NIS |
718 | PL_main_start = Nullop; |
719 | SvREFCNT_dec(PL_main_cv); | |
720 | PL_main_cv = Nullcv; | |
79072805 | 721 | |
3280af22 NIS |
722 | time(&PL_basetime); |
723 | oldscope = PL_scopestack_ix; | |
599cee73 | 724 | PL_dowarn = G_WARN_OFF; |
f86702cc | 725 | |
db36c5a1 GS |
726 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_parse_body), |
727 | env, xsinit); | |
6224f72b | 728 | switch (ret) { |
312caa8e | 729 | case 0: |
4f25aa18 GS |
730 | if (PL_stopav) |
731 | call_list(oldscope, PL_stopav); | |
312caa8e | 732 | return 0; |
6224f72b GS |
733 | case 1: |
734 | STATUS_ALL_FAILURE; | |
735 | /* FALL THROUGH */ | |
736 | case 2: | |
737 | /* my_exit() was called */ | |
3280af22 | 738 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
739 | LEAVE; |
740 | FREETMPS; | |
3280af22 | 741 | PL_curstash = PL_defstash; |
4f25aa18 GS |
742 | if (PL_stopav) |
743 | call_list(oldscope, PL_stopav); | |
6224f72b GS |
744 | return STATUS_NATIVE_EXPORT; |
745 | case 3: | |
bf49b057 | 746 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
6224f72b GS |
747 | return 1; |
748 | } | |
a6c40364 | 749 | return 0; |
312caa8e CS |
750 | } |
751 | ||
752 | STATIC void * | |
cea2e8a9 | 753 | S_parse_body(pTHX_ va_list args) |
312caa8e CS |
754 | { |
755 | dTHR; | |
756 | int argc = PL_origargc; | |
757 | char **argv = PL_origargv; | |
758 | char **env = va_arg(args, char**); | |
759 | char *scriptname = NULL; | |
760 | int fdscript = -1; | |
761 | VOL bool dosearch = FALSE; | |
762 | char *validarg = ""; | |
763 | AV* comppadlist; | |
764 | register SV *sv; | |
765 | register char *s; | |
f4c556ac | 766 | char *cddir = Nullch; |
312caa8e | 767 | |
864dbfa3 | 768 | XSINIT_t xsinit = va_arg(args, XSINIT_t); |
79072805 | 769 | |
3280af22 | 770 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 771 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
772 | SAVEFREESV(sv); |
773 | init_main_stash(); | |
54310121 | 774 | |
6224f72b GS |
775 | for (argc--,argv++; argc > 0; argc--,argv++) { |
776 | if (argv[0][0] != '-' || !argv[0][1]) | |
777 | break; | |
778 | #ifdef DOSUID | |
779 | if (*validarg) | |
780 | validarg = " PHOOEY "; | |
781 | else | |
782 | validarg = argv[0]; | |
13281fa4 | 783 | #endif |
6224f72b GS |
784 | s = argv[0]+1; |
785 | reswitch: | |
786 | switch (*s) { | |
1d5472a9 GS |
787 | #ifndef PERL_STRICT_CR |
788 | case '\r': | |
789 | #endif | |
6224f72b GS |
790 | case ' ': |
791 | case '0': | |
792 | case 'F': | |
793 | case 'a': | |
794 | case 'c': | |
795 | case 'd': | |
796 | case 'D': | |
797 | case 'h': | |
798 | case 'i': | |
799 | case 'l': | |
800 | case 'M': | |
801 | case 'm': | |
802 | case 'n': | |
803 | case 'p': | |
804 | case 's': | |
805 | case 'u': | |
806 | case 'U': | |
807 | case 'v': | |
599cee73 PM |
808 | case 'W': |
809 | case 'X': | |
6224f72b GS |
810 | case 'w': |
811 | if (s = moreswitches(s)) | |
812 | goto reswitch; | |
813 | break; | |
33b78306 | 814 | |
6224f72b | 815 | case 'T': |
3280af22 | 816 | PL_tainting = TRUE; |
6224f72b GS |
817 | s++; |
818 | goto reswitch; | |
f86702cc | 819 | |
6224f72b | 820 | case 'e': |
3280af22 | 821 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 822 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 823 | if (!PL_e_script) { |
79cb57f6 | 824 | PL_e_script = newSVpvn("",0); |
0cb96387 | 825 | filter_add(read_e_script, NULL); |
6224f72b GS |
826 | } |
827 | if (*++s) | |
3280af22 | 828 | sv_catpv(PL_e_script, s); |
6224f72b | 829 | else if (argv[1]) { |
3280af22 | 830 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
831 | argc--,argv++; |
832 | } | |
833 | else | |
cea2e8a9 | 834 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 835 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 836 | break; |
afe37c7d | 837 | |
6224f72b GS |
838 | case 'I': /* -I handled both here and in moreswitches() */ |
839 | forbid_setid("-I"); | |
840 | if (!*++s && (s=argv[1]) != Nullch) { | |
841 | argc--,argv++; | |
842 | } | |
843 | while (s && isSPACE(*s)) | |
844 | ++s; | |
845 | if (s && *s) { | |
846 | char *e, *p; | |
847 | for (e = s; *e && !isSPACE(*e); e++) ; | |
848 | p = savepvn(s, e-s); | |
849 | incpush(p, TRUE); | |
850 | sv_catpv(sv,"-I"); | |
851 | sv_catpv(sv,p); | |
852 | sv_catpv(sv," "); | |
853 | Safefree(p); | |
854 | } /* XXX else croak? */ | |
855 | break; | |
856 | case 'P': | |
857 | forbid_setid("-P"); | |
3280af22 | 858 | PL_preprocess = TRUE; |
6224f72b GS |
859 | s++; |
860 | goto reswitch; | |
861 | case 'S': | |
862 | forbid_setid("-S"); | |
863 | dosearch = TRUE; | |
864 | s++; | |
865 | goto reswitch; | |
866 | case 'V': | |
3280af22 NIS |
867 | if (!PL_preambleav) |
868 | PL_preambleav = newAV(); | |
869 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 870 | if (*++s != ':') { |
3280af22 | 871 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 872 | #ifdef VMS |
6b88bc9c | 873 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 874 | #else |
3280af22 | 875 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 876 | #endif |
3280af22 | 877 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 878 | # ifdef DEBUGGING |
3280af22 | 879 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 880 | # endif |
6224f72b | 881 | # ifdef MULTIPLICITY |
8f872242 | 882 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 883 | # endif |
b363f7ed GS |
884 | # ifdef USE_THREADS |
885 | sv_catpv(PL_Sv," USE_THREADS"); | |
886 | # endif | |
887 | # ifdef PERL_OBJECT | |
888 | sv_catpv(PL_Sv," PERL_OBJECT"); | |
889 | # endif | |
890 | # ifdef PERL_IMPLICIT_CONTEXT | |
891 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
892 | # endif | |
893 | # ifdef PERL_IMPLICIT_SYS | |
894 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
895 | # endif | |
3280af22 | 896 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 897 | |
6224f72b GS |
898 | #if defined(LOCAL_PATCH_COUNT) |
899 | if (LOCAL_PATCH_COUNT > 0) { | |
900 | int i; | |
3280af22 | 901 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 902 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 903 | if (PL_localpatches[i]) |
cea2e8a9 | 904 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
905 | } |
906 | } | |
907 | #endif | |
cea2e8a9 | 908 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
909 | #ifdef __DATE__ |
910 | # ifdef __TIME__ | |
cea2e8a9 | 911 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 912 | # else |
cea2e8a9 | 913 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
914 | # endif |
915 | #endif | |
3280af22 | 916 | sv_catpv(PL_Sv, "; \ |
6224f72b GS |
917 | $\"=\"\\n \"; \ |
918 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
919 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
920 | print \" \\@INC:\\n @INC\\n\";"); | |
921 | } | |
922 | else { | |
3280af22 NIS |
923 | PL_Sv = newSVpv("config_vars(qw(",0); |
924 | sv_catpv(PL_Sv, ++s); | |
925 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
926 | s += strlen(s); |
927 | } | |
3280af22 | 928 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
929 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
930 | goto reswitch; | |
931 | case 'x': | |
3280af22 | 932 | PL_doextract = TRUE; |
6224f72b GS |
933 | s++; |
934 | if (*s) | |
f4c556ac | 935 | cddir = s; |
6224f72b GS |
936 | break; |
937 | case 0: | |
938 | break; | |
939 | case '-': | |
940 | if (!*++s || isSPACE(*s)) { | |
941 | argc--,argv++; | |
942 | goto switch_end; | |
943 | } | |
944 | /* catch use of gnu style long options */ | |
945 | if (strEQ(s, "version")) { | |
946 | s = "v"; | |
947 | goto reswitch; | |
948 | } | |
949 | if (strEQ(s, "help")) { | |
950 | s = "h"; | |
951 | goto reswitch; | |
952 | } | |
953 | s--; | |
954 | /* FALL THROUGH */ | |
955 | default: | |
cea2e8a9 | 956 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
957 | } |
958 | } | |
6224f72b | 959 | switch_end: |
54310121 | 960 | |
f675dbe5 CB |
961 | if ( |
962 | #ifndef SECURE_INTERNAL_GETENV | |
963 | !PL_tainting && | |
964 | #endif | |
965 | (s = PerlEnv_getenv("PERL5OPT"))) { | |
74288ac8 GS |
966 | while (isSPACE(*s)) |
967 | s++; | |
968 | if (*s == '-' && *(s+1) == 'T') | |
969 | PL_tainting = TRUE; | |
970 | else { | |
971 | while (s && *s) { | |
972 | while (isSPACE(*s)) | |
973 | s++; | |
974 | if (*s == '-') { | |
975 | s++; | |
976 | if (isSPACE(*s)) | |
977 | continue; | |
978 | } | |
979 | if (!*s) | |
980 | break; | |
981 | if (!strchr("DIMUdmw", *s)) | |
cea2e8a9 | 982 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
74288ac8 | 983 | s = moreswitches(s); |
6224f72b | 984 | } |
6224f72b GS |
985 | } |
986 | } | |
a0d0e21e | 987 | |
6224f72b GS |
988 | if (!scriptname) |
989 | scriptname = argv[0]; | |
3280af22 | 990 | if (PL_e_script) { |
6224f72b GS |
991 | argc++,argv--; |
992 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
993 | } | |
994 | else if (scriptname == Nullch) { | |
995 | #ifdef MSDOS | |
996 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
997 | moreswitches("h"); | |
998 | #endif | |
999 | scriptname = "-"; | |
1000 | } | |
1001 | ||
1002 | init_perllib(); | |
1003 | ||
1004 | open_script(scriptname,dosearch,sv,&fdscript); | |
1005 | ||
1006 | validate_suid(validarg, scriptname,fdscript); | |
1007 | ||
0b5b802d GS |
1008 | #if defined(SIGCHLD) || defined(SIGCLD) |
1009 | { | |
1010 | #ifndef SIGCHLD | |
1011 | # define SIGCHLD SIGCLD | |
1012 | #endif | |
1013 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1014 | if (sigstate == SIG_IGN) { | |
1015 | if (ckWARN(WARN_SIGNAL)) | |
1016 | Perl_warner(aTHX_ WARN_SIGNAL, | |
1017 | "Can't ignore signal CHLD, forcing to default"); | |
1018 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1019 | } | |
1020 | } | |
1021 | #endif | |
1022 | ||
f4c556ac | 1023 | if (PL_doextract) { |
6224f72b | 1024 | find_beginning(); |
f4c556ac GS |
1025 | if (cddir && PerlDir_chdir(cddir) < 0) |
1026 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1027 | ||
1028 | } | |
6224f72b | 1029 | |
3280af22 NIS |
1030 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1031 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1032 | CvUNIQUE_on(PL_compcv); | |
1033 | ||
1034 | PL_comppad = newAV(); | |
1035 | av_push(PL_comppad, Nullsv); | |
1036 | PL_curpad = AvARRAY(PL_comppad); | |
1037 | PL_comppad_name = newAV(); | |
1038 | PL_comppad_name_fill = 0; | |
1039 | PL_min_intro_pending = 0; | |
1040 | PL_padix = 0; | |
6224f72b | 1041 | #ifdef USE_THREADS |
79cb57f6 | 1042 | av_store(PL_comppad_name, 0, newSVpvn("@_", 2)); |
533c011a NIS |
1043 | PL_curpad[0] = (SV*)newAV(); |
1044 | SvPADMY_on(PL_curpad[0]); /* XXX Needed? */ | |
1045 | CvOWNER(PL_compcv) = 0; | |
1046 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1047 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
6224f72b GS |
1048 | #endif /* USE_THREADS */ |
1049 | ||
1050 | comppadlist = newAV(); | |
1051 | AvREAL_off(comppadlist); | |
3280af22 NIS |
1052 | av_store(comppadlist, 0, (SV*)PL_comppad_name); |
1053 | av_store(comppadlist, 1, (SV*)PL_comppad); | |
1054 | CvPADLIST(PL_compcv) = comppadlist; | |
6224f72b GS |
1055 | |
1056 | boot_core_UNIVERSAL(); | |
09bef843 | 1057 | boot_core_xsutils(); |
6224f72b GS |
1058 | |
1059 | if (xsinit) | |
0cb96387 | 1060 | (*xsinit)(aTHXo); /* in case linked C routines want magical variables */ |
6224f72b | 1061 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
c5be433b | 1062 | init_os_extras(); |
6224f72b GS |
1063 | #endif |
1064 | ||
29209bc5 JH |
1065 | #ifdef USE_SOCKS |
1066 | SOCKSinit(argv[0]); | |
1067 | #endif | |
1068 | ||
6224f72b GS |
1069 | init_predump_symbols(); |
1070 | /* init_postdump_symbols not currently designed to be called */ | |
1071 | /* more than once (ENV isn't cleared first, for example) */ | |
1072 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1073 | if (!PL_do_undump) |
6224f72b GS |
1074 | init_postdump_symbols(argc,argv,env); |
1075 | ||
1076 | init_lexer(); | |
1077 | ||
1078 | /* now parse the script */ | |
1079 | ||
1080 | SETERRNO(0,SS$_NORMAL); | |
3280af22 NIS |
1081 | PL_error_count = 0; |
1082 | if (yyparse() || PL_error_count) { | |
1083 | if (PL_minus_c) | |
cea2e8a9 | 1084 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1085 | else { |
cea2e8a9 | 1086 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1087 | PL_origfilename); |
6224f72b GS |
1088 | } |
1089 | } | |
57843af0 | 1090 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1091 | PL_curstash = PL_defstash; |
1092 | PL_preprocess = FALSE; | |
1093 | if (PL_e_script) { | |
1094 | SvREFCNT_dec(PL_e_script); | |
1095 | PL_e_script = Nullsv; | |
6224f72b GS |
1096 | } |
1097 | ||
1098 | /* now that script is parsed, we can modify record separator */ | |
3280af22 NIS |
1099 | SvREFCNT_dec(PL_rs); |
1100 | PL_rs = SvREFCNT_inc(PL_nrs); | |
864dbfa3 | 1101 | sv_setsv(get_sv("/", TRUE), PL_rs); |
3280af22 | 1102 | if (PL_do_undump) |
6224f72b GS |
1103 | my_unexec(); |
1104 | ||
57843af0 GS |
1105 | if (isWARN_ONCE) { |
1106 | SAVECOPFILE(PL_curcop); | |
1107 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1108 | gv_check(PL_defstash); |
57843af0 | 1109 | } |
6224f72b GS |
1110 | |
1111 | LEAVE; | |
1112 | FREETMPS; | |
1113 | ||
1114 | #ifdef MYMALLOC | |
1115 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1116 | dump_mstats("after compilation:"); | |
1117 | #endif | |
1118 | ||
1119 | ENTER; | |
3280af22 | 1120 | PL_restartop = 0; |
312caa8e | 1121 | return NULL; |
6224f72b GS |
1122 | } |
1123 | ||
1124 | int | |
0cb96387 | 1125 | perl_run(pTHXx) |
6224f72b | 1126 | { |
de616352 | 1127 | dTHR; |
6224f72b | 1128 | I32 oldscope; |
6224f72b | 1129 | int ret; |
db36c5a1 | 1130 | dJMPENV; |
cea2e8a9 GS |
1131 | #ifdef USE_THREADS |
1132 | dTHX; | |
1133 | #endif | |
6224f72b | 1134 | |
3280af22 | 1135 | oldscope = PL_scopestack_ix; |
6224f72b | 1136 | |
312caa8e | 1137 | redo_body: |
db36c5a1 | 1138 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_run_body), oldscope); |
6224f72b GS |
1139 | switch (ret) { |
1140 | case 1: | |
1141 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e CS |
1142 | goto redo_body; |
1143 | case 0: /* normal completion */ | |
1144 | case 2: /* my_exit() */ | |
3280af22 | 1145 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1146 | LEAVE; |
1147 | FREETMPS; | |
3280af22 | 1148 | PL_curstash = PL_defstash; |
865be832 | 1149 | if (PL_endav && !PL_minus_c) |
3280af22 | 1150 | call_list(oldscope, PL_endav); |
6224f72b GS |
1151 | #ifdef MYMALLOC |
1152 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1153 | dump_mstats("after execution: "); | |
1154 | #endif | |
6224f72b GS |
1155 | return STATUS_NATIVE_EXPORT; |
1156 | case 3: | |
312caa8e CS |
1157 | if (PL_restartop) { |
1158 | POPSTACK_TO(PL_mainstack); | |
1159 | goto redo_body; | |
6224f72b | 1160 | } |
bf49b057 | 1161 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
1162 | FREETMPS; |
1163 | return 1; | |
6224f72b GS |
1164 | } |
1165 | ||
312caa8e CS |
1166 | /* NOTREACHED */ |
1167 | return 0; | |
1168 | } | |
1169 | ||
1170 | STATIC void * | |
cea2e8a9 | 1171 | S_run_body(pTHX_ va_list args) |
312caa8e CS |
1172 | { |
1173 | dTHR; | |
1174 | I32 oldscope = va_arg(args, I32); | |
1175 | ||
6224f72b | 1176 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1177 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1178 | |
3280af22 | 1179 | if (!PL_restartop) { |
6224f72b GS |
1180 | DEBUG_x(dump_all()); |
1181 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1182 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1183 | PTR2UV(thr))); | |
6224f72b | 1184 | |
3280af22 | 1185 | if (PL_minus_c) { |
bf49b057 | 1186 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
1187 | my_exit(0); |
1188 | } | |
3280af22 | 1189 | if (PERLDB_SINGLE && PL_DBsingle) |
312caa8e | 1190 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1191 | if (PL_initav) |
1192 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1193 | } |
1194 | ||
1195 | /* do it */ | |
1196 | ||
3280af22 | 1197 | if (PL_restartop) { |
533c011a | 1198 | PL_op = PL_restartop; |
3280af22 | 1199 | PL_restartop = 0; |
cea2e8a9 | 1200 | CALLRUNOPS(aTHX); |
6224f72b | 1201 | } |
3280af22 NIS |
1202 | else if (PL_main_start) { |
1203 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1204 | PL_op = PL_main_start; |
cea2e8a9 | 1205 | CALLRUNOPS(aTHX); |
6224f72b GS |
1206 | } |
1207 | ||
f6b3007c JH |
1208 | my_exit(0); |
1209 | /* NOTREACHED */ | |
312caa8e | 1210 | return NULL; |
6224f72b GS |
1211 | } |
1212 | ||
1213 | SV* | |
864dbfa3 | 1214 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1215 | { |
1216 | GV *gv; | |
1217 | #ifdef USE_THREADS | |
1218 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
1219 | PADOFFSET tmp = find_threadsv(name); | |
1220 | if (tmp != NOT_IN_PAD) { | |
1221 | dTHR; | |
1222 | return THREADSV(tmp); | |
1223 | } | |
1224 | } | |
1225 | #endif /* USE_THREADS */ | |
1226 | gv = gv_fetchpv(name, create, SVt_PV); | |
1227 | if (gv) | |
1228 | return GvSV(gv); | |
1229 | return Nullsv; | |
1230 | } | |
1231 | ||
1232 | AV* | |
864dbfa3 | 1233 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1234 | { |
1235 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1236 | if (create) | |
1237 | return GvAVn(gv); | |
1238 | if (gv) | |
1239 | return GvAV(gv); | |
1240 | return Nullav; | |
1241 | } | |
1242 | ||
1243 | HV* | |
864dbfa3 | 1244 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1245 | { |
a0d0e21e LW |
1246 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1247 | if (create) | |
1248 | return GvHVn(gv); | |
1249 | if (gv) | |
1250 | return GvHV(gv); | |
1251 | return Nullhv; | |
1252 | } | |
1253 | ||
1254 | CV* | |
864dbfa3 | 1255 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1256 | { |
1257 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1258 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1259 | /* XXX this is probably not what they think they're getting. |
1260 | * It has the same effect as "sub name;", i.e. just a forward | |
1261 | * declaration! */ | |
8ebc5c01 | 1262 | if (create && !GvCVu(gv)) |
774d564b | 1263 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1264 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1265 | Nullop, |
a0d0e21e LW |
1266 | Nullop); |
1267 | if (gv) | |
8ebc5c01 | 1268 | return GvCVu(gv); |
a0d0e21e LW |
1269 | return Nullcv; |
1270 | } | |
1271 | ||
79072805 LW |
1272 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1273 | ||
a0d0e21e | 1274 | I32 |
864dbfa3 | 1275 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1276 | |
1277 | /* See G_* flags in cop.h */ | |
1278 | /* null terminated arg list */ | |
8990e307 | 1279 | { |
a0d0e21e | 1280 | dSP; |
8990e307 | 1281 | |
924508f0 | 1282 | PUSHMARK(SP); |
a0d0e21e | 1283 | if (argv) { |
8990e307 | 1284 | while (*argv) { |
a0d0e21e | 1285 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1286 | argv++; |
1287 | } | |
a0d0e21e | 1288 | PUTBACK; |
8990e307 | 1289 | } |
864dbfa3 | 1290 | return call_pv(sub_name, flags); |
8990e307 LW |
1291 | } |
1292 | ||
a0d0e21e | 1293 | I32 |
864dbfa3 | 1294 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1295 | /* name of the subroutine */ |
1296 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1297 | { |
864dbfa3 | 1298 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1299 | } |
1300 | ||
1301 | I32 | |
864dbfa3 | 1302 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1303 | /* name of the subroutine */ |
1304 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1305 | { |
1306 | dSP; | |
1307 | OP myop; | |
533c011a NIS |
1308 | if (!PL_op) |
1309 | PL_op = &myop; | |
a0d0e21e LW |
1310 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1311 | PUTBACK; | |
cea2e8a9 | 1312 | pp_method(); |
533c011a NIS |
1313 | if(PL_op == &myop) |
1314 | PL_op = Nullop; | |
864dbfa3 | 1315 | return call_sv(*PL_stack_sp--, flags); |
a0d0e21e LW |
1316 | } |
1317 | ||
1318 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1319 | I32 | |
864dbfa3 | 1320 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1321 | |
1322 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1323 | { |
924508f0 | 1324 | dSP; |
a0d0e21e | 1325 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1326 | I32 oldmark; |
a0d0e21e | 1327 | I32 retval; |
a0d0e21e | 1328 | I32 oldscope; |
54310121 | 1329 | bool oldcatch = CATCH_GET; |
6224f72b | 1330 | int ret; |
533c011a | 1331 | OP* oldop = PL_op; |
db36c5a1 | 1332 | dJMPENV; |
1e422769 | 1333 | |
a0d0e21e LW |
1334 | if (flags & G_DISCARD) { |
1335 | ENTER; | |
1336 | SAVETMPS; | |
1337 | } | |
1338 | ||
aa689395 | 1339 | Zero(&myop, 1, LOGOP); |
54310121 | 1340 | myop.op_next = Nullop; |
f51d4af5 | 1341 | if (!(flags & G_NOARGS)) |
aa689395 | 1342 | myop.op_flags |= OPf_STACKED; |
54310121 | 1343 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1344 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1345 | OPf_WANT_SCALAR); | |
462e5cf6 | 1346 | SAVEOP(); |
533c011a | 1347 | PL_op = (OP*)&myop; |
aa689395 | 1348 | |
3280af22 NIS |
1349 | EXTEND(PL_stack_sp, 1); |
1350 | *++PL_stack_sp = sv; | |
aa689395 | 1351 | oldmark = TOPMARK; |
3280af22 | 1352 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1353 | |
3280af22 | 1354 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1355 | /* Handle first BEGIN of -d. */ |
3280af22 | 1356 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1357 | /* Try harder, since this may have been a sighandler, thus |
1358 | * curstash may be meaningless. */ | |
3280af22 | 1359 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1360 | && !(flags & G_NODEBUG)) |
533c011a | 1361 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1362 | |
312caa8e | 1363 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1364 | CATCH_SET(TRUE); |
864dbfa3 | 1365 | call_xbody((OP*)&myop, FALSE); |
312caa8e | 1366 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1367 | CATCH_SET(oldcatch); |
312caa8e CS |
1368 | } |
1369 | else { | |
533c011a | 1370 | cLOGOP->op_other = PL_op; |
3280af22 | 1371 | PL_markstack_ptr--; |
4633a7c4 LW |
1372 | /* we're trying to emulate pp_entertry() here */ |
1373 | { | |
c09156bb | 1374 | register PERL_CONTEXT *cx; |
54310121 | 1375 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1376 | |
1377 | ENTER; | |
1378 | SAVETMPS; | |
1379 | ||
533c011a | 1380 | push_return(PL_op->op_next); |
3280af22 | 1381 | PUSHBLOCK(cx, CXt_EVAL, PL_stack_sp); |
4633a7c4 | 1382 | PUSHEVAL(cx, 0, 0); |
533c011a | 1383 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
4633a7c4 | 1384 | |
faef0170 | 1385 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1386 | if (flags & G_KEEPERR) |
faef0170 | 1387 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1388 | else |
38a03e6e | 1389 | sv_setpv(ERRSV,""); |
4633a7c4 | 1390 | } |
3280af22 | 1391 | PL_markstack_ptr++; |
a0d0e21e | 1392 | |
312caa8e | 1393 | redo_body: |
db36c5a1 GS |
1394 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_call_body), |
1395 | (OP*)&myop, FALSE); | |
6224f72b GS |
1396 | switch (ret) { |
1397 | case 0: | |
312caa8e CS |
1398 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1399 | if (!(flags & G_KEEPERR)) | |
1400 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1401 | break; |
6224f72b | 1402 | case 1: |
f86702cc | 1403 | STATUS_ALL_FAILURE; |
a0d0e21e | 1404 | /* FALL THROUGH */ |
6224f72b | 1405 | case 2: |
a0d0e21e | 1406 | /* my_exit() was called */ |
3280af22 | 1407 | PL_curstash = PL_defstash; |
a0d0e21e | 1408 | FREETMPS; |
3280af22 | 1409 | if (PL_statusvalue) |
cea2e8a9 | 1410 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1411 | my_exit_jump(); |
a0d0e21e | 1412 | /* NOTREACHED */ |
6224f72b | 1413 | case 3: |
3280af22 | 1414 | if (PL_restartop) { |
533c011a | 1415 | PL_op = PL_restartop; |
3280af22 | 1416 | PL_restartop = 0; |
312caa8e | 1417 | goto redo_body; |
a0d0e21e | 1418 | } |
3280af22 | 1419 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1420 | if (flags & G_ARRAY) |
1421 | retval = 0; | |
1422 | else { | |
1423 | retval = 1; | |
3280af22 | 1424 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 1425 | } |
312caa8e | 1426 | break; |
a0d0e21e | 1427 | } |
a0d0e21e | 1428 | |
3280af22 | 1429 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
1430 | SV **newsp; |
1431 | PMOP *newpm; | |
1432 | I32 gimme; | |
c09156bb | 1433 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1434 | I32 optype; |
1435 | ||
1436 | POPBLOCK(cx,newpm); | |
1437 | POPEVAL(cx); | |
1438 | pop_return(); | |
3280af22 | 1439 | PL_curpm = newpm; |
a0a2876f | 1440 | LEAVE; |
a0d0e21e | 1441 | } |
a0d0e21e | 1442 | } |
1e422769 | 1443 | |
a0d0e21e | 1444 | if (flags & G_DISCARD) { |
3280af22 | 1445 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1446 | retval = 0; |
1447 | FREETMPS; | |
1448 | LEAVE; | |
1449 | } | |
533c011a | 1450 | PL_op = oldop; |
a0d0e21e LW |
1451 | return retval; |
1452 | } | |
1453 | ||
312caa8e | 1454 | STATIC void * |
cea2e8a9 | 1455 | S_call_body(pTHX_ va_list args) |
312caa8e CS |
1456 | { |
1457 | OP *myop = va_arg(args, OP*); | |
1458 | int is_eval = va_arg(args, int); | |
1459 | ||
864dbfa3 | 1460 | call_xbody(myop, is_eval); |
312caa8e CS |
1461 | return NULL; |
1462 | } | |
1463 | ||
1464 | STATIC void | |
cea2e8a9 | 1465 | S_call_xbody(pTHX_ OP *myop, int is_eval) |
312caa8e CS |
1466 | { |
1467 | dTHR; | |
1468 | ||
1469 | if (PL_op == myop) { | |
1470 | if (is_eval) | |
cea2e8a9 | 1471 | PL_op = Perl_pp_entereval(aTHX); |
312caa8e | 1472 | else |
cea2e8a9 | 1473 | PL_op = Perl_pp_entersub(aTHX); |
312caa8e CS |
1474 | } |
1475 | if (PL_op) | |
cea2e8a9 | 1476 | CALLRUNOPS(aTHX); |
312caa8e CS |
1477 | } |
1478 | ||
6e72f9df | 1479 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1480 | |
a0d0e21e | 1481 | I32 |
864dbfa3 | 1482 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 NIS |
1483 | |
1484 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1485 | { |
924508f0 | 1486 | dSP; |
a0d0e21e | 1487 | UNOP myop; /* fake syntax tree node */ |
3280af22 | 1488 | I32 oldmark = SP - PL_stack_base; |
4633a7c4 | 1489 | I32 retval; |
4633a7c4 | 1490 | I32 oldscope; |
6224f72b | 1491 | int ret; |
533c011a | 1492 | OP* oldop = PL_op; |
db36c5a1 | 1493 | dJMPENV; |
84902520 | 1494 | |
4633a7c4 LW |
1495 | if (flags & G_DISCARD) { |
1496 | ENTER; | |
1497 | SAVETMPS; | |
1498 | } | |
1499 | ||
462e5cf6 | 1500 | SAVEOP(); |
533c011a NIS |
1501 | PL_op = (OP*)&myop; |
1502 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
1503 | EXTEND(PL_stack_sp, 1); |
1504 | *++PL_stack_sp = sv; | |
1505 | oldscope = PL_scopestack_ix; | |
79072805 | 1506 | |
4633a7c4 LW |
1507 | if (!(flags & G_NOARGS)) |
1508 | myop.op_flags = OPf_STACKED; | |
79072805 | 1509 | myop.op_next = Nullop; |
6e72f9df | 1510 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1511 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1512 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1513 | OPf_WANT_SCALAR); | |
6e72f9df | 1514 | if (flags & G_KEEPERR) |
1515 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1516 | |
312caa8e | 1517 | redo_body: |
db36c5a1 GS |
1518 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_call_body), |
1519 | (OP*)&myop, TRUE); | |
6224f72b GS |
1520 | switch (ret) { |
1521 | case 0: | |
312caa8e CS |
1522 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1523 | if (!(flags & G_KEEPERR)) | |
1524 | sv_setpv(ERRSV,""); | |
4633a7c4 | 1525 | break; |
6224f72b | 1526 | case 1: |
f86702cc | 1527 | STATUS_ALL_FAILURE; |
4633a7c4 | 1528 | /* FALL THROUGH */ |
6224f72b | 1529 | case 2: |
4633a7c4 | 1530 | /* my_exit() was called */ |
3280af22 | 1531 | PL_curstash = PL_defstash; |
4633a7c4 | 1532 | FREETMPS; |
3280af22 | 1533 | if (PL_statusvalue) |
cea2e8a9 | 1534 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1535 | my_exit_jump(); |
4633a7c4 | 1536 | /* NOTREACHED */ |
6224f72b | 1537 | case 3: |
3280af22 | 1538 | if (PL_restartop) { |
533c011a | 1539 | PL_op = PL_restartop; |
3280af22 | 1540 | PL_restartop = 0; |
312caa8e | 1541 | goto redo_body; |
4633a7c4 | 1542 | } |
3280af22 | 1543 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1544 | if (flags & G_ARRAY) |
1545 | retval = 0; | |
1546 | else { | |
1547 | retval = 1; | |
3280af22 | 1548 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 1549 | } |
312caa8e | 1550 | break; |
4633a7c4 LW |
1551 | } |
1552 | ||
4633a7c4 | 1553 | if (flags & G_DISCARD) { |
3280af22 | 1554 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1555 | retval = 0; |
1556 | FREETMPS; | |
1557 | LEAVE; | |
1558 | } | |
533c011a | 1559 | PL_op = oldop; |
4633a7c4 LW |
1560 | return retval; |
1561 | } | |
1562 | ||
137443ea | 1563 | SV* |
864dbfa3 | 1564 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 1565 | { |
1566 | dSP; | |
1567 | SV* sv = newSVpv(p, 0); | |
1568 | ||
924508f0 | 1569 | PUSHMARK(SP); |
864dbfa3 | 1570 | eval_sv(sv, G_SCALAR); |
137443ea | 1571 | SvREFCNT_dec(sv); |
1572 | ||
1573 | SPAGAIN; | |
1574 | sv = POPs; | |
1575 | PUTBACK; | |
1576 | ||
2d8e6c8d GS |
1577 | if (croak_on_error && SvTRUE(ERRSV)) { |
1578 | STRLEN n_a; | |
cea2e8a9 | 1579 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 1580 | } |
137443ea | 1581 | |
1582 | return sv; | |
1583 | } | |
1584 | ||
4633a7c4 LW |
1585 | /* Require a module. */ |
1586 | ||
1587 | void | |
864dbfa3 | 1588 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 1589 | { |
d3acc0f7 JP |
1590 | SV* sv; |
1591 | dSP; | |
e788e7d3 | 1592 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
1593 | PUTBACK; |
1594 | sv = sv_newmortal(); | |
4633a7c4 LW |
1595 | sv_setpv(sv, "require '"); |
1596 | sv_catpv(sv, pv); | |
1597 | sv_catpv(sv, "'"); | |
864dbfa3 | 1598 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
1599 | SPAGAIN; |
1600 | POPSTACK; | |
79072805 LW |
1601 | } |
1602 | ||
79072805 | 1603 | void |
864dbfa3 | 1604 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
1605 | { |
1606 | register GV *gv; | |
1607 | ||
85e6fe83 | 1608 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1609 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1610 | } | |
1611 | ||
76e3520e | 1612 | STATIC void |
cea2e8a9 | 1613 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 1614 | { |
ab821d7f | 1615 | /* This message really ought to be max 23 lines. |
1616 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1617 | |
76e3520e | 1618 | static char *usage_msg[] = { |
fb73857a | 1619 | "-0[octal] specify record separator (\\0, if no argument)", |
1620 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1621 | "-c check syntax only (runs BEGIN and END blocks)", | |
aac3bd0d GS |
1622 | "-d[:debugger] run program under debugger", |
1623 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
1624 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
1625 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
1626 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
1627 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 1628 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
1629 | "-[mM][-]module execute `use/no module...' before executing program", |
1630 | "-n assume 'while (<>) { ... }' loop around program", | |
1631 | "-p assume loop like -n but print line also, like sed", | |
1632 | "-P run program through C preprocessor before compilation", | |
1633 | "-s enable rudimentary parsing for switches after programfile", | |
1634 | "-S look for programfile using PATH environment variable", | |
1635 | "-T enable tainting checks", | |
1636 | "-u dump core after parsing program", | |
fb73857a | 1637 | "-U allow unsafe operations", |
aac3bd0d GS |
1638 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
1639 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
1640 | "-w enable many useful warnings (RECOMMENDED)", | |
fb73857a | 1641 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1642 | "\n", | |
1643 | NULL | |
1644 | }; | |
76e3520e | 1645 | char **p = usage_msg; |
fb73857a | 1646 | |
ab821d7f | 1647 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1648 | while (*p) |
1649 | printf("\n %s", *p++); | |
4633a7c4 LW |
1650 | } |
1651 | ||
79072805 LW |
1652 | /* This routine handles any switches that can be given during run */ |
1653 | ||
1654 | char * | |
864dbfa3 | 1655 | Perl_moreswitches(pTHX_ char *s) |
79072805 LW |
1656 | { |
1657 | I32 numlen; | |
c07a80fd | 1658 | U32 rschar; |
79072805 LW |
1659 | |
1660 | switch (*s) { | |
1661 | case '0': | |
a863c7d1 MB |
1662 | { |
1663 | dTHR; | |
dff6d3cd | 1664 | rschar = (U32)scan_oct(s, 4, &numlen); |
3280af22 | 1665 | SvREFCNT_dec(PL_nrs); |
c07a80fd | 1666 | if (rschar & ~((U8)~0)) |
3280af22 | 1667 | PL_nrs = &PL_sv_undef; |
c07a80fd | 1668 | else if (!rschar && numlen >= 2) |
79cb57f6 | 1669 | PL_nrs = newSVpvn("", 0); |
c07a80fd | 1670 | else { |
1671 | char ch = rschar; | |
79cb57f6 | 1672 | PL_nrs = newSVpvn(&ch, 1); |
79072805 LW |
1673 | } |
1674 | return s + numlen; | |
a863c7d1 | 1675 | } |
2304df62 | 1676 | case 'F': |
3280af22 NIS |
1677 | PL_minus_F = TRUE; |
1678 | PL_splitstr = savepv(s + 1); | |
2304df62 AD |
1679 | s += strlen(s); |
1680 | return s; | |
79072805 | 1681 | case 'a': |
3280af22 | 1682 | PL_minus_a = TRUE; |
79072805 LW |
1683 | s++; |
1684 | return s; | |
1685 | case 'c': | |
3280af22 | 1686 | PL_minus_c = TRUE; |
79072805 LW |
1687 | s++; |
1688 | return s; | |
1689 | case 'd': | |
bbce6d69 | 1690 | forbid_setid("-d"); |
4633a7c4 | 1691 | s++; |
c07a80fd | 1692 | if (*s == ':' || *s == '=') { |
cea2e8a9 | 1693 | my_setenv("PERL5DB", Perl_form(aTHX_ "use Devel::%s;", ++s)); |
4633a7c4 | 1694 | s += strlen(s); |
4633a7c4 | 1695 | } |
ed094faf | 1696 | if (!PL_perldb) { |
3280af22 | 1697 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 1698 | init_debugger(); |
ed094faf | 1699 | } |
79072805 LW |
1700 | return s; |
1701 | case 'D': | |
0453d815 | 1702 | { |
79072805 | 1703 | #ifdef DEBUGGING |
bbce6d69 | 1704 | forbid_setid("-D"); |
79072805 | 1705 | if (isALPHA(s[1])) { |
8b73bbec | 1706 | static char debopts[] = "psltocPmfrxuLHXDS"; |
79072805 LW |
1707 | char *d; |
1708 | ||
93a17b20 | 1709 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 1710 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
1711 | } |
1712 | else { | |
3280af22 | 1713 | PL_debug = atoi(s+1); |
79072805 LW |
1714 | for (s++; isDIGIT(*s); s++) ; |
1715 | } | |
3280af22 | 1716 | PL_debug |= 0x80000000; |
79072805 | 1717 | #else |
0453d815 PM |
1718 | dTHR; |
1719 | if (ckWARN_d(WARN_DEBUGGING)) | |
1720 | Perl_warner(aTHX_ WARN_DEBUGGING, | |
1721 | "Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1722 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1723 | #endif |
1724 | /*SUPPRESS 530*/ | |
1725 | return s; | |
0453d815 | 1726 | } |
4633a7c4 | 1727 | case 'h': |
3280af22 | 1728 | usage(PL_origargv[0]); |
6ad3d225 | 1729 | PerlProc_exit(0); |
79072805 | 1730 | case 'i': |
3280af22 NIS |
1731 | if (PL_inplace) |
1732 | Safefree(PL_inplace); | |
1733 | PL_inplace = savepv(s+1); | |
79072805 | 1734 | /*SUPPRESS 530*/ |
3280af22 | 1735 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 1736 | if (*s) { |
fb73857a | 1737 | *s++ = '\0'; |
7b8d334a GS |
1738 | if (*s == '-') /* Additional switches on #! line. */ |
1739 | s++; | |
1740 | } | |
fb73857a | 1741 | return s; |
1742 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1743 | forbid_setid("-I"); |
fb73857a | 1744 | ++s; |
1745 | while (*s && isSPACE(*s)) | |
1746 | ++s; | |
1747 | if (*s) { | |
774d564b | 1748 | char *e, *p; |
748a9306 | 1749 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1750 | p = savepvn(s, e-s); |
1751 | incpush(p, TRUE); | |
1752 | Safefree(p); | |
fb73857a | 1753 | s = e; |
79072805 LW |
1754 | } |
1755 | else | |
cea2e8a9 | 1756 | Perl_croak(aTHX_ "No space allowed after -I"); |
fb73857a | 1757 | return s; |
79072805 | 1758 | case 'l': |
3280af22 | 1759 | PL_minus_l = TRUE; |
79072805 | 1760 | s++; |
3280af22 NIS |
1761 | if (PL_ors) |
1762 | Safefree(PL_ors); | |
79072805 | 1763 | if (isDIGIT(*s)) { |
3280af22 NIS |
1764 | PL_ors = savepv("\n"); |
1765 | PL_orslen = 1; | |
dff6d3cd | 1766 | *PL_ors = (char)scan_oct(s, 3 + (*s == '0'), &numlen); |
79072805 LW |
1767 | s += numlen; |
1768 | } | |
1769 | else { | |
a863c7d1 | 1770 | dTHR; |
3280af22 NIS |
1771 | if (RsPARA(PL_nrs)) { |
1772 | PL_ors = "\n\n"; | |
1773 | PL_orslen = 2; | |
c07a80fd | 1774 | } |
1775 | else | |
3280af22 NIS |
1776 | PL_ors = SvPV(PL_nrs, PL_orslen); |
1777 | PL_ors = savepvn(PL_ors, PL_orslen); | |
79072805 LW |
1778 | } |
1779 | return s; | |
1a30305b | 1780 | case 'M': |
bbce6d69 | 1781 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1782 | /* FALL THROUGH */ |
1783 | case 'm': | |
bbce6d69 | 1784 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1785 | if (*++s) { |
a5f75d66 | 1786 | char *start; |
11343788 | 1787 | SV *sv; |
a5f75d66 AD |
1788 | char *use = "use "; |
1789 | /* -M-foo == 'no foo' */ | |
1790 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1791 | sv = newSVpv(use,0); |
a5f75d66 | 1792 | start = s; |
1a30305b | 1793 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1794 | while(isALNUM(*s) || *s==':') ++s; |
1795 | if (*s != '=') { | |
11343788 | 1796 | sv_catpv(sv, start); |
c07a80fd | 1797 | if (*(start-1) == 'm') { |
1798 | if (*s != '\0') | |
cea2e8a9 | 1799 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 1800 | sv_catpv( sv, " ()"); |
c07a80fd | 1801 | } |
1802 | } else { | |
11343788 MB |
1803 | sv_catpvn(sv, start, s-start); |
1804 | sv_catpv(sv, " split(/,/,q{"); | |
1805 | sv_catpv(sv, ++s); | |
1806 | sv_catpv(sv, "})"); | |
c07a80fd | 1807 | } |
1a30305b | 1808 | s += strlen(s); |
5c831c24 | 1809 | if (!PL_preambleav) |
3280af22 NIS |
1810 | PL_preambleav = newAV(); |
1811 | av_push(PL_preambleav, sv); | |
1a30305b | 1812 | } |
1813 | else | |
cea2e8a9 | 1814 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 1815 | return s; |
79072805 | 1816 | case 'n': |
3280af22 | 1817 | PL_minus_n = TRUE; |
79072805 LW |
1818 | s++; |
1819 | return s; | |
1820 | case 'p': | |
3280af22 | 1821 | PL_minus_p = TRUE; |
79072805 LW |
1822 | s++; |
1823 | return s; | |
1824 | case 's': | |
bbce6d69 | 1825 | forbid_setid("-s"); |
3280af22 | 1826 | PL_doswitches = TRUE; |
79072805 LW |
1827 | s++; |
1828 | return s; | |
463ee0b2 | 1829 | case 'T': |
3280af22 | 1830 | if (!PL_tainting) |
cea2e8a9 | 1831 | Perl_croak(aTHX_ "Too late for \"-T\" option"); |
463ee0b2 LW |
1832 | s++; |
1833 | return s; | |
79072805 | 1834 | case 'u': |
3280af22 | 1835 | PL_do_undump = TRUE; |
79072805 LW |
1836 | s++; |
1837 | return s; | |
1838 | case 'U': | |
3280af22 | 1839 | PL_unsafe = TRUE; |
79072805 LW |
1840 | s++; |
1841 | return s; | |
1842 | case 'v': | |
cceca5ed GS |
1843 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
1844 | printf("\nThis is perl, version %d.%03d_%02d built for %s", | |
1845 | PERL_REVISION, PERL_VERSION, PERL_SUBVERSION, ARCHNAME); | |
a5f75d66 | 1846 | #else |
fb73857a | 1847 | printf("\nThis is perl, version %s built for %s", |
6b88bc9c | 1848 | PL_patchlevel, ARCHNAME); |
fb73857a | 1849 | #endif |
1850 | #if defined(LOCAL_PATCH_COUNT) | |
1851 | if (LOCAL_PATCH_COUNT > 0) | |
1852 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
b900a521 | 1853 | (int)LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 1854 | #endif |
1a30305b | 1855 | |
4eb8286e | 1856 | printf("\n\nCopyright 1987-1999, Larry Wall\n"); |
79072805 | 1857 | #ifdef MSDOS |
fb73857a | 1858 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1859 | #endif |
1860 | #ifdef DJGPP | |
1861 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4eb8286e | 1862 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); |
4633a7c4 | 1863 | #endif |
79072805 | 1864 | #ifdef OS2 |
5dd60ef7 | 1865 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
4eb8286e | 1866 | "Version 5 port Copyright (c) 1994-1999, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1867 | #endif |
79072805 | 1868 | #ifdef atarist |
760ac839 | 1869 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1870 | #endif |
a3f9223b | 1871 | #ifdef __BEOS__ |
4eb8286e | 1872 | printf("BeOS port Copyright Tom Spindler, 1997-1999\n"); |
a3f9223b | 1873 | #endif |
1d84e8df | 1874 | #ifdef MPE |
4eb8286e | 1875 | printf("MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-1999\n"); |
1d84e8df | 1876 | #endif |
9d116dd7 | 1877 | #ifdef OEMVS |
4eb8286e | 1878 | printf("MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); |
9d116dd7 | 1879 | #endif |
495c5fdc | 1880 | #ifdef __VOS__ |
4eb8286e | 1881 | printf("Stratus VOS port by Paul_Green@stratus.com, 1997-1999\n"); |
495c5fdc | 1882 | #endif |
092bebab | 1883 | #ifdef __OPEN_VM |
4eb8286e | 1884 | printf("VM/ESA port by Neale Ferguson, 1998-1999\n"); |
092bebab | 1885 | #endif |
a1a0e61e | 1886 | #ifdef POSIX_BC |
4eb8286e | 1887 | printf("BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); |
a1a0e61e | 1888 | #endif |
61ae2fbf | 1889 | #ifdef __MINT__ |
4eb8286e | 1890 | printf("MiNT port by Guido Flohr, 1997-1999\n"); |
61ae2fbf | 1891 | #endif |
baed7233 DL |
1892 | #ifdef BINARY_BUILD_NOTICE |
1893 | BINARY_BUILD_NOTICE; | |
1894 | #endif | |
760ac839 | 1895 | printf("\n\ |
79072805 | 1896 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1897 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1898 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1899 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1900 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 1901 | PerlProc_exit(0); |
79072805 | 1902 | case 'w': |
599cee73 PM |
1903 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
1904 | PL_dowarn |= G_WARN_ON; | |
1905 | s++; | |
1906 | return s; | |
1907 | case 'W': | |
1908 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; | |
e24b16f9 | 1909 | PL_compiling.cop_warnings = WARN_ALL ; |
599cee73 PM |
1910 | s++; |
1911 | return s; | |
1912 | case 'X': | |
1913 | PL_dowarn = G_WARN_ALL_OFF; | |
e24b16f9 | 1914 | PL_compiling.cop_warnings = WARN_NONE ; |
79072805 LW |
1915 | s++; |
1916 | return s; | |
a0d0e21e | 1917 | case '*': |
79072805 LW |
1918 | case ' ': |
1919 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1920 | return s+2; | |
1921 | break; | |
a0d0e21e | 1922 | case '-': |
79072805 | 1923 | case 0: |
51882d45 | 1924 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
1925 | case '\r': |
1926 | #endif | |
79072805 LW |
1927 | case '\n': |
1928 | case '\t': | |
1929 | break; | |
aa689395 | 1930 | #ifdef ALTERNATE_SHEBANG |
1931 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1932 | break; | |
1933 | #endif | |
a0d0e21e | 1934 | case 'P': |
3280af22 | 1935 | if (PL_preprocess) |
a0d0e21e LW |
1936 | return s+1; |
1937 | /* FALL THROUGH */ | |
79072805 | 1938 | default: |
cea2e8a9 | 1939 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
1940 | } |
1941 | return Nullch; | |
1942 | } | |
1943 | ||
1944 | /* compliments of Tom Christiansen */ | |
1945 | ||
1946 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 1947 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
1948 | |
1949 | void | |
864dbfa3 | 1950 | Perl_my_unexec(pTHX) |
79072805 LW |
1951 | { |
1952 | #ifdef UNEXEC | |
46fc3d4c | 1953 | SV* prog; |
1954 | SV* file; | |
ee580363 | 1955 | int status = 1; |
79072805 LW |
1956 | extern int etext; |
1957 | ||
ee580363 | 1958 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 1959 | sv_catpv(prog, "/perl"); |
6b88bc9c | 1960 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 1961 | sv_catpv(file, ".perldump"); |
79072805 | 1962 | |
ee580363 GS |
1963 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1964 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 1965 | PerlProc_exit(status); |
79072805 | 1966 | #else |
a5f75d66 AD |
1967 | # ifdef VMS |
1968 | # include <lib$routines.h> | |
1969 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1970 | # else |
79072805 | 1971 | ABORT(); /* for use with undump */ |
aa689395 | 1972 | # endif |
a5f75d66 | 1973 | #endif |
79072805 LW |
1974 | } |
1975 | ||
cb68f92d GS |
1976 | /* initialize curinterp */ |
1977 | STATIC void | |
cea2e8a9 | 1978 | S_init_interp(pTHX) |
cb68f92d GS |
1979 | { |
1980 | ||
066ef5b5 | 1981 | #ifdef PERL_OBJECT /* XXX kludge */ |
cb68f92d | 1982 | #define I_REINIT \ |
6b88bc9c GS |
1983 | STMT_START { \ |
1984 | PL_chopset = " \n-"; \ | |
1985 | PL_copline = NOLINE; \ | |
1986 | PL_curcop = &PL_compiling;\ | |
1987 | PL_curcopdb = NULL; \ | |
1988 | PL_dbargs = 0; \ | |
3967c732 | 1989 | PL_dumpindent = 4; \ |
6b88bc9c GS |
1990 | PL_laststatval = -1; \ |
1991 | PL_laststype = OP_STAT; \ | |
1992 | PL_maxscream = -1; \ | |
1993 | PL_maxsysfd = MAXSYSFD; \ | |
1994 | PL_statname = Nullsv; \ | |
1995 | PL_tmps_floor = -1; \ | |
1996 | PL_tmps_ix = -1; \ | |
1997 | PL_op_mask = NULL; \ | |
6b88bc9c GS |
1998 | PL_laststatval = -1; \ |
1999 | PL_laststype = OP_STAT; \ | |
2000 | PL_mess_sv = Nullsv; \ | |
2001 | PL_splitstr = " "; \ | |
2002 | PL_generation = 100; \ | |
2003 | PL_exitlist = NULL; \ | |
2004 | PL_exitlistlen = 0; \ | |
2005 | PL_regindent = 0; \ | |
2006 | PL_in_clean_objs = FALSE; \ | |
2007 | PL_in_clean_all = FALSE; \ | |
2008 | PL_profiledata = NULL; \ | |
2009 | PL_rsfp = Nullfp; \ | |
2010 | PL_rsfp_filters = Nullav; \ | |
24d3c518 | 2011 | PL_dirty = FALSE; \ |
cb68f92d | 2012 | } STMT_END |
9666903d | 2013 | I_REINIT; |
066ef5b5 GS |
2014 | #else |
2015 | # ifdef MULTIPLICITY | |
2016 | # define PERLVAR(var,type) | |
51371543 | 2017 | # define PERLVARA(var,n,type) |
cea2e8a9 | 2018 | # if defined(PERL_IMPLICIT_CONTEXT) |
54aff467 GS |
2019 | # if defined(USE_THREADS) |
2020 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
2021 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
2022 | # else /* !USE_THREADS */ | |
2023 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2024 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2025 | # endif /* USE_THREADS */ | |
cea2e8a9 | 2026 | # else |
c5be433b GS |
2027 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2028 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
cea2e8a9 | 2029 | # endif |
066ef5b5 GS |
2030 | # include "intrpvar.h" |
2031 | # ifndef USE_THREADS | |
2032 | # include "thrdvar.h" | |
2033 | # endif | |
2034 | # undef PERLVAR | |
51371543 | 2035 | # undef PERLVARA |
066ef5b5 GS |
2036 | # undef PERLVARI |
2037 | # undef PERLVARIC | |
3967c732 | 2038 | # else |
066ef5b5 | 2039 | # define PERLVAR(var,type) |
51371543 | 2040 | # define PERLVARA(var,n,type) |
533c011a NIS |
2041 | # define PERLVARI(var,type,init) PL_##var = init; |
2042 | # define PERLVARIC(var,type,init) PL_##var = init; | |
066ef5b5 GS |
2043 | # include "intrpvar.h" |
2044 | # ifndef USE_THREADS | |
2045 | # include "thrdvar.h" | |
2046 | # endif | |
2047 | # undef PERLVAR | |
51371543 | 2048 | # undef PERLVARA |
066ef5b5 GS |
2049 | # undef PERLVARI |
2050 | # undef PERLVARIC | |
2051 | # endif | |
cb68f92d GS |
2052 | #endif |
2053 | ||
cb68f92d GS |
2054 | } |
2055 | ||
76e3520e | 2056 | STATIC void |
cea2e8a9 | 2057 | S_init_main_stash(pTHX) |
79072805 | 2058 | { |
11343788 | 2059 | dTHR; |
463ee0b2 | 2060 | GV *gv; |
6e72f9df | 2061 | |
2062 | /* Note that strtab is a rather special HV. Assumptions are made | |
2063 | about not iterating on it, and not adding tie magic to it. | |
2064 | It is properly deallocated in perl_destruct() */ | |
3280af22 | 2065 | PL_strtab = newHV(); |
5f08fbcd GS |
2066 | #ifdef USE_THREADS |
2067 | MUTEX_INIT(&PL_strtab_mutex); | |
2068 | #endif | |
3280af22 NIS |
2069 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
2070 | hv_ksplit(PL_strtab, 512); | |
6e72f9df | 2071 | |
3280af22 | 2072 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2073 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2074 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2075 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2076 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2077 | SvREADONLY_on(gv); |
3280af22 NIS |
2078 | HvNAME(PL_defstash) = savepv("main"); |
2079 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2080 | GvMULTI_on(PL_incgv); | |
2081 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2082 | GvMULTI_on(PL_hintgv); | |
2083 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2084 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2085 | GvMULTI_on(PL_errgv); | |
2086 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2087 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2088 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2089 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2090 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2091 | PL_curstash = PL_defstash; |
11faa288 | 2092 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2093 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2094 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2095 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2096 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2097 | } |
2098 | ||
76e3520e | 2099 | STATIC void |
cea2e8a9 | 2100 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2101 | { |
0f15f207 | 2102 | dTHR; |
79072805 | 2103 | register char *s; |
2a92aaa0 | 2104 | |
6c4ab083 | 2105 | *fdscript = -1; |
79072805 | 2106 | |
3280af22 NIS |
2107 | if (PL_e_script) { |
2108 | PL_origfilename = savepv("-e"); | |
96436eeb | 2109 | } |
6c4ab083 GS |
2110 | else { |
2111 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2112 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2113 | |
2114 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2115 | char *s = scriptname + 8; | |
2116 | *fdscript = atoi(s); | |
2117 | while (isDIGIT(*s)) | |
2118 | s++; | |
2119 | if (*s) { | |
2120 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2121 | Safefree(PL_origfilename); |
2122 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2123 | } |
2124 | } | |
2125 | } | |
2126 | ||
57843af0 | 2127 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2128 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2129 | scriptname = ""; |
01f988be | 2130 | if (*fdscript >= 0) { |
3280af22 | 2131 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
96436eeb | 2132 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2133 | if (PL_rsfp) |
2134 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2135 | #endif |
2136 | } | |
3280af22 | 2137 | else if (PL_preprocess) { |
46fc3d4c | 2138 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2139 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2140 | SV *cmd = NEWSV(0,0); |
2141 | ||
2142 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2143 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2144 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2145 | |
79072805 | 2146 | sv_catpv(sv,"-I"); |
fed7345c | 2147 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2148 | |
79072805 | 2149 | #ifdef MSDOS |
cea2e8a9 | 2150 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2151 | sed %s -e \"/^[^#]/b\" \ |
2152 | -e \"/^#[ ]*include[ ]/b\" \ | |
2153 | -e \"/^#[ ]*define[ ]/b\" \ | |
2154 | -e \"/^#[ ]*if[ ]/b\" \ | |
2155 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2156 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2157 | -e \"/^#[ ]*else/b\" \ | |
2158 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2159 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2160 | -e \"/^#[ ]*endif/b\" \ | |
2161 | -e \"s/^#.*//\" \ | |
fc36a67e | 2162 | %s | %_ -C %_ %s", |
6b88bc9c | 2163 | (PL_doextract ? "-e \"1,/^#/d\n\"" : ""), |
79072805 | 2164 | #else |
092bebab | 2165 | # ifdef __OPEN_VM |
cea2e8a9 | 2166 | Perl_sv_setpvf(aTHX_ cmd, "\ |
092bebab JH |
2167 | %s %s -e '/^[^#]/b' \ |
2168 | -e '/^#[ ]*include[ ]/b' \ | |
2169 | -e '/^#[ ]*define[ ]/b' \ | |
2170 | -e '/^#[ ]*if[ ]/b' \ | |
2171 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2172 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2173 | -e '/^#[ ]*else/b' \ | |
2174 | -e '/^#[ ]*elif[ ]/b' \ | |
2175 | -e '/^#[ ]*undef[ ]/b' \ | |
2176 | -e '/^#[ ]*endif/b' \ | |
2177 | -e 's/^[ ]*#.*//' \ | |
2178 | %s | %_ %_ %s", | |
2179 | # else | |
cea2e8a9 | 2180 | Perl_sv_setpvf(aTHX_ cmd, "\ |
79072805 LW |
2181 | %s %s -e '/^[^#]/b' \ |
2182 | -e '/^#[ ]*include[ ]/b' \ | |
2183 | -e '/^#[ ]*define[ ]/b' \ | |
2184 | -e '/^#[ ]*if[ ]/b' \ | |
2185 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2186 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2187 | -e '/^#[ ]*else/b' \ | |
2188 | -e '/^#[ ]*elif[ ]/b' \ | |
2189 | -e '/^#[ ]*undef[ ]/b' \ | |
2190 | -e '/^#[ ]*endif/b' \ | |
2191 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2192 | %s | %_ -C %_ %s", |
092bebab | 2193 | # endif |
79072805 LW |
2194 | #ifdef LOC_SED |
2195 | LOC_SED, | |
2196 | #else | |
2197 | "sed", | |
2198 | #endif | |
3280af22 | 2199 | (PL_doextract ? "-e '1,/^#/d\n'" : ""), |
79072805 | 2200 | #endif |
46fc3d4c | 2201 | scriptname, cpp, sv, CPPMINUS); |
3280af22 | 2202 | PL_doextract = FALSE; |
79072805 | 2203 | #ifdef IAMSUID /* actually, this is caught earlier */ |
b28d0864 | 2204 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ |
79072805 | 2205 | #ifdef HAS_SETEUID |
b28d0864 | 2206 | (void)seteuid(PL_uid); /* musn't stay setuid root */ |
79072805 LW |
2207 | #else |
2208 | #ifdef HAS_SETREUID | |
b28d0864 | 2209 | (void)setreuid((Uid_t)-1, PL_uid); |
85e6fe83 LW |
2210 | #else |
2211 | #ifdef HAS_SETRESUID | |
b28d0864 | 2212 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); |
79072805 | 2213 | #else |
b28d0864 | 2214 | PerlProc_setuid(PL_uid); |
79072805 LW |
2215 | #endif |
2216 | #endif | |
85e6fe83 | 2217 | #endif |
b28d0864 | 2218 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2219 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 LW |
2220 | } |
2221 | #endif /* IAMSUID */ | |
3280af22 | 2222 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2223 | SvREFCNT_dec(cmd); |
2224 | SvREFCNT_dec(cpp); | |
79072805 LW |
2225 | } |
2226 | else if (!*scriptname) { | |
bbce6d69 | 2227 | forbid_setid("program input from stdin"); |
3280af22 | 2228 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2229 | } |
96436eeb | 2230 | else { |
3280af22 | 2231 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2232 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
3280af22 NIS |
2233 | if (PL_rsfp) |
2234 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2235 | #endif |
2236 | } | |
3280af22 | 2237 | if (!PL_rsfp) { |
13281fa4 | 2238 | #ifdef DOSUID |
a687059c | 2239 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
6b88bc9c | 2240 | if (PL_euid && |
cc49e20b | 2241 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && |
6b88bc9c GS |
2242 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) |
2243 | { | |
46fc3d4c | 2244 | /* try again */ |
cea2e8a9 GS |
2245 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl%s", BIN_EXP, PL_patchlevel), PL_origargv); |
2246 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
13281fa4 LW |
2247 | } |
2248 | #endif | |
2249 | #endif | |
cea2e8a9 | 2250 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
cc49e20b | 2251 | CopFILE(PL_curcop), Strerror(errno)); |
13281fa4 | 2252 | } |
79072805 | 2253 | } |
8d063cd8 | 2254 | |
7b89560d JH |
2255 | /* Mention |
2256 | * I_SYSSTATVFS HAS_FSTATVFS | |
2257 | * I_SYSMOUNT | |
2258 | * I_STATFS HAS_FSTATFS | |
2259 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT | |
2260 | * here so that metaconfig picks them up. */ | |
2261 | ||
104d25b7 | 2262 | #ifdef IAMSUID |
864dbfa3 | 2263 | STATIC int |
e688b231 | 2264 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 2265 | { |
0545a864 JH |
2266 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
2267 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 2268 | /* |
ad27e871 | 2269 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 2270 | * fstatvfs() is UNIX98. |
0545a864 | 2271 | * fstatfs() is 4.3 BSD. |
ad27e871 | 2272 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
2273 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
2274 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
2275 | */ |
2276 | ||
2277 | # ifdef HAS_FSTATVFS | |
2278 | struct statvfs stfs; | |
2279 | check_okay = fstatvfs(fd, &stfs) == 0; | |
2280 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
2281 | # else | |
0545a864 | 2282 | # ifdef PERL_MOUNT_NOSUID |
ad27e871 JH |
2283 | # if defined(HAS_FSTATFS) && \ |
2284 | defined(HAS_STRUCT_STATFS) && \ | |
2285 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
e688b231 | 2286 | struct statfs stfs; |
104d25b7 | 2287 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 2288 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
0545a864 JH |
2289 | # else |
2290 | # if defined(HAS_FSTAT) && \ | |
2291 | defined(HAS_USTAT) && \ | |
ad27e871 JH |
2292 | defined(HAS_GETMNT) && \ |
2293 | defined(HAS_STRUCT_FS_DATA) && | |
2294 | defined(NOSTAT_ONE) | |
0545a864 JH |
2295 | struct stat fdst; |
2296 | if (fstat(fd, &fdst) == 0) { | |
2297 | struct ustat us; | |
2298 | if (ustat(fdst.st_dev, &us) == 0) { | |
2299 | struct fs_data fsd; | |
ad27e871 JH |
2300 | /* NOSTAT_ONE here because we're not examining fields which |
2301 | * vary between that case and STAT_ONE. */ | |
2302 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { | |
0545a864 JH |
2303 | size_t cmplen = sizeof(us.f_fname); |
2304 | if (sizeof(fsd.fd_req.path) < cmplen) | |
2305 | cmplen = sizeof(fsd.fd_req.path); | |
2306 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
2307 | fdst.st_dev == fsd.fd_req.dev) { | |
2308 | check_okay = 1; | |
2309 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
2310 | } | |
2311 | } | |
2312 | } | |
2313 | } | |
2314 | } | |
ad27e871 JH |
2315 | # endif /* fstat+ustat+getmnt */ |
2316 | # endif /* fstatfs */ | |
104d25b7 | 2317 | # else |
0545a864 JH |
2318 | # if defined(HAS_GETMNTENT) && \ |
2319 | defined(HAS_HASMNTOPT) && \ | |
2320 | defined(MNTOPT_NOSUID) | |
104d25b7 JH |
2321 | FILE *mtab = fopen("/etc/mtab", "r"); |
2322 | struct mntent *entry; | |
2323 | struct stat stb, fsb; | |
2324 | ||
2325 | if (mtab && (fstat(fd, &stb) == 0)) { | |
e688b231 JH |
2326 | while (entry = getmntent(mtab)) { |
2327 | if (stat(entry->mnt_dir, &fsb) == 0 | |
2328 | && fsb.st_dev == stb.st_dev) | |
104d25b7 JH |
2329 | { |
2330 | /* found the filesystem */ | |
2331 | check_okay = 1; | |
2332 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
2333 | on_nosuid = 1; | |
2334 | break; | |
e688b231 | 2335 | } /* A single fs may well fail its stat(). */ |
104d25b7 JH |
2336 | } |
2337 | } | |
2338 | if (mtab) | |
2339 | fclose(mtab); | |
ad27e871 | 2340 | # endif /* getmntent+hasmntopt */ |
0545a864 | 2341 | # endif /* PERL_MOUNT_NOSUID: fstatfs or fstat+ustat+statfs */ |
e688b231 | 2342 | # endif /* statvfs */ |
0545a864 | 2343 | |
104d25b7 | 2344 | if (!check_okay) |
0545a864 | 2345 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
2346 | return on_nosuid; |
2347 | } | |
2348 | #endif /* IAMSUID */ | |
2349 | ||
76e3520e | 2350 | STATIC void |
cea2e8a9 | 2351 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 2352 | { |
96436eeb | 2353 | int which; |
2354 | ||
13281fa4 LW |
2355 | /* do we need to emulate setuid on scripts? */ |
2356 | ||
2357 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2358 | * in the kernel because of a security problem. Merely defining DOSUID | |
2359 | * in perl will not fix that problem, but if you have disabled setuid | |
2360 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2361 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2362 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2363 | * discovers that it has opened a setuid script, it calls suidperl with | |
2364 | * the same argv that it had. If suidperl finds that the script it has | |
2365 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2366 | * uid. We don't just make perl setuid root because that loses the | |
2367 | * effective uid we had before invoking perl, if it was different from the | |
2368 | * uid. | |
13281fa4 LW |
2369 | * |
2370 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2371 | * be defined in suidperl only. suidperl must be setuid root. The | |
2372 | * Configure script will set this up for you if you want it. | |
2373 | */ | |
a687059c | 2374 | |
13281fa4 | 2375 | #ifdef DOSUID |
ea0efc06 | 2376 | dTHR; |
6e72f9df | 2377 | char *s, *s2; |
a0d0e21e | 2378 | |
b28d0864 | 2379 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 2380 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 2381 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2382 | I32 len; |
2d8e6c8d | 2383 | STRLEN n_a; |
13281fa4 | 2384 | |
a687059c | 2385 | #ifdef IAMSUID |
fe14fcc3 | 2386 | #ifndef HAS_SETREUID |
a687059c LW |
2387 | /* On this access check to make sure the directories are readable, |
2388 | * there is actually a small window that the user could use to make | |
2389 | * filename point to an accessible directory. So there is a faint | |
2390 | * chance that someone could execute a setuid script down in a | |
2391 | * non-accessible directory. I don't know what to do about that. | |
2392 | * But I don't think it's too important. The manual lies when | |
2393 | * it says access() is useful in setuid programs. | |
2394 | */ | |
cc49e20b | 2395 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 2396 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
2397 | #else |
2398 | /* If we can swap euid and uid, then we can determine access rights | |
2399 | * with a simple stat of the file, and then compare device and | |
2400 | * inode to make sure we did stat() on the same file we opened. | |
2401 | * Then we just have to make sure he or she can execute it. | |
2402 | */ | |
2403 | { | |
2404 | struct stat tmpstatbuf; | |
2405 | ||
85e6fe83 LW |
2406 | if ( |
2407 | #ifdef HAS_SETREUID | |
b28d0864 | 2408 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
2409 | #else |
2410 | # if HAS_SETRESUID | |
b28d0864 | 2411 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 2412 | # endif |
85e6fe83 | 2413 | #endif |
b28d0864 | 2414 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2415 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 2416 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 2417 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 2418 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 2419 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 2420 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 2421 | #endif |
b28d0864 NIS |
2422 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
2423 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
2424 | (void)PerlIO_close(PL_rsfp); | |
2425 | if (PL_rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ | |
2426 | PerlIO_printf(PL_rsfp, | |
785fb66b JH |
2427 | "User %"Uid_t_f" tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2428 | (Filename of set-id script was %s, uid %"Uid_t_f" gid %"Gid_t_f".)\n\nSincerely,\nperl\n", | |
2429 | PL_uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
b28d0864 | 2430 | (long)PL_statbuf.st_dev, (long)PL_statbuf.st_ino, |
cc49e20b | 2431 | CopFILE(PL_curcop), |
785fb66b | 2432 | PL_statbuf.st_uid, PL_statbuf.st_gid); |
b28d0864 | 2433 | (void)PerlProc_pclose(PL_rsfp); |
a687059c | 2434 | } |
cea2e8a9 | 2435 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2436 | } |
85e6fe83 LW |
2437 | if ( |
2438 | #ifdef HAS_SETREUID | |
b28d0864 | 2439 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
2440 | #else |
2441 | # if defined(HAS_SETRESUID) | |
b28d0864 | 2442 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 2443 | # endif |
85e6fe83 | 2444 | #endif |
b28d0864 | 2445 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 2446 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 2447 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 2448 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2449 | } |
fe14fcc3 | 2450 | #endif /* HAS_SETREUID */ |
a687059c LW |
2451 | #endif /* IAMSUID */ |
2452 | ||
b28d0864 | 2453 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 2454 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 2455 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 2456 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 2457 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 2458 | CopLINE_inc(PL_curcop); |
6b88bc9c | 2459 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 2460 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 2461 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 2462 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 2463 | if (*s == ' ') s++; |
45d8adaa | 2464 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 2465 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 2466 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2467 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 2468 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 2469 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2470 | /* |
2471 | * #! arg must be what we saw above. They can invoke it by | |
2472 | * mentioning suidperl explicitly, but they may not add any strange | |
2473 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2474 | */ | |
2475 | len = strlen(validarg); | |
2476 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2477 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 2478 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
2479 | |
2480 | #ifndef IAMSUID | |
b28d0864 NIS |
2481 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
2482 | PL_euid == PL_statbuf.st_uid) | |
2483 | if (!PL_do_undump) | |
cea2e8a9 | 2484 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2485 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2486 | #endif /* IAMSUID */ | |
13281fa4 | 2487 | |
b28d0864 NIS |
2488 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
2489 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 2490 | #ifndef IAMSUID |
46fc3d4c | 2491 | /* try again */ |
cea2e8a9 | 2492 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl%s", BIN_EXP, PL_patchlevel), PL_origargv); |
13281fa4 | 2493 | #endif |
cea2e8a9 | 2494 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
2495 | } |
2496 | ||
b28d0864 | 2497 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 2498 | #ifdef HAS_SETEGID |
b28d0864 | 2499 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 2500 | #else |
fe14fcc3 | 2501 | #ifdef HAS_SETREGID |
b28d0864 | 2502 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
2503 | #else |
2504 | #ifdef HAS_SETRESGID | |
b28d0864 | 2505 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 2506 | #else |
b28d0864 | 2507 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
2508 | #endif |
2509 | #endif | |
85e6fe83 | 2510 | #endif |
b28d0864 | 2511 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 2512 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 2513 | } |
b28d0864 NIS |
2514 | if (PL_statbuf.st_mode & S_ISUID) { |
2515 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 2516 | #ifdef HAS_SETEUID |
b28d0864 | 2517 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 2518 | #else |
fe14fcc3 | 2519 | #ifdef HAS_SETREUID |
b28d0864 | 2520 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
2521 | #else |
2522 | #ifdef HAS_SETRESUID | |
b28d0864 | 2523 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 2524 | #else |
b28d0864 | 2525 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
2526 | #endif |
2527 | #endif | |
85e6fe83 | 2528 | #endif |
b28d0864 | 2529 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 2530 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 2531 | } |
b28d0864 | 2532 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2533 | #ifdef HAS_SETEUID |
b28d0864 | 2534 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 2535 | #else |
fe14fcc3 | 2536 | #ifdef HAS_SETREUID |
b28d0864 | 2537 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 2538 | #else |
85e6fe83 | 2539 | #ifdef HAS_SETRESUID |
b28d0864 | 2540 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 2541 | #else |
b28d0864 | 2542 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 2543 | #endif |
a687059c LW |
2544 | #endif |
2545 | #endif | |
b28d0864 | 2546 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2547 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 2548 | } |
748a9306 | 2549 | init_ids(); |
b28d0864 | 2550 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 2551 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2552 | } |
2553 | #ifdef IAMSUID | |
6b88bc9c | 2554 | else if (PL_preprocess) |
cea2e8a9 | 2555 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 2556 | else if (fdscript >= 0) |
cea2e8a9 | 2557 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 2558 | else |
cea2e8a9 | 2559 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2560 | |
2561 | /* We absolutely must clear out any saved ids here, so we */ | |
2562 | /* exec the real perl, substituting fd script for scriptname. */ | |
2563 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
2564 | PerlIO_rewind(PL_rsfp); |
2565 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
2566 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
2567 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
2568 | Perl_croak(aTHX_ "Permission denied"); |
2569 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 2570 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 2571 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 2572 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2573 | #endif |
cea2e8a9 GS |
2574 | PerlProc_execv(Perl_form(aTHX_ "%s/perl%s", BIN_EXP, PL_patchlevel), PL_origargv);/* try again */ |
2575 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
13281fa4 | 2576 | #endif /* IAMSUID */ |
a687059c | 2577 | #else /* !DOSUID */ |
3280af22 | 2578 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 2579 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 | 2580 | dTHR; |
b28d0864 NIS |
2581 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
2582 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 2583 | || |
b28d0864 | 2584 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 2585 | ) |
b28d0864 | 2586 | if (!PL_do_undump) |
cea2e8a9 | 2587 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2588 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2589 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2590 | /* not set-id, must be wrapped */ | |
a687059c | 2591 | } |
13281fa4 | 2592 | #endif /* DOSUID */ |
79072805 | 2593 | } |
13281fa4 | 2594 | |
76e3520e | 2595 | STATIC void |
cea2e8a9 | 2596 | S_find_beginning(pTHX) |
79072805 | 2597 | { |
6e72f9df | 2598 | register char *s, *s2; |
33b78306 LW |
2599 | |
2600 | /* skip forward in input to the real script? */ | |
2601 | ||
bbce6d69 | 2602 | forbid_setid("-x"); |
3280af22 NIS |
2603 | while (PL_doextract) { |
2604 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 2605 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
6e72f9df | 2606 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
3280af22 NIS |
2607 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
2608 | PL_doextract = FALSE; | |
6e72f9df | 2609 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2610 | s2 = s; | |
2611 | while (*s == ' ' || *s == '\t') s++; | |
2612 | if (*s++ == '-') { | |
2613 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2614 | if (strnEQ(s2-4,"perl",4)) | |
2615 | /*SUPPRESS 530*/ | |
2616 | while (s = moreswitches(s)) ; | |
33b78306 | 2617 | } |
83025b21 LW |
2618 | } |
2619 | } | |
2620 | } | |
2621 | ||
afe37c7d | 2622 | |
76e3520e | 2623 | STATIC void |
cea2e8a9 | 2624 | S_init_ids(pTHX) |
352d5a3a | 2625 | { |
d8eceb89 JH |
2626 | PL_uid = PerlProc_getuid(); |
2627 | PL_euid = PerlProc_geteuid(); | |
2628 | PL_gid = PerlProc_getgid(); | |
2629 | PL_egid = PerlProc_getegid(); | |
748a9306 | 2630 | #ifdef VMS |
b28d0864 NIS |
2631 | PL_uid |= PL_gid << 16; |
2632 | PL_euid |= PL_egid << 16; | |
748a9306 | 2633 | #endif |
3280af22 | 2634 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 2635 | } |
79072805 | 2636 | |
76e3520e | 2637 | STATIC void |
cea2e8a9 | 2638 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 2639 | { |
3280af22 | 2640 | if (PL_euid != PL_uid) |
cea2e8a9 | 2641 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 2642 | if (PL_egid != PL_gid) |
cea2e8a9 | 2643 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 2644 | } |
2645 | ||
1ee4443e IZ |
2646 | void |
2647 | Perl_init_debugger(pTHX) | |
748a9306 | 2648 | { |
11343788 | 2649 | dTHR; |
1ee4443e IZ |
2650 | HV *ostash = PL_curstash; |
2651 | ||
3280af22 NIS |
2652 | PL_curstash = PL_debstash; |
2653 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
2654 | AvREAL_off(PL_dbargs); | |
2655 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
2656 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
2657 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 2658 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
3280af22 NIS |
2659 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
2660 | sv_setiv(PL_DBsingle, 0); | |
2661 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); | |
2662 | sv_setiv(PL_DBtrace, 0); | |
2663 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); | |
2664 | sv_setiv(PL_DBsignal, 0); | |
1ee4443e | 2665 | PL_curstash = ostash; |
352d5a3a LW |
2666 | } |
2667 | ||
2ce36478 SM |
2668 | #ifndef STRESS_REALLOC |
2669 | #define REASONABLE(size) (size) | |
2670 | #else | |
2671 | #define REASONABLE(size) (1) /* unreasonable */ | |
2672 | #endif | |
2673 | ||
11343788 | 2674 | void |
cea2e8a9 | 2675 | Perl_init_stacks(pTHX) |
79072805 | 2676 | { |
e336de0d | 2677 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 2678 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 2679 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
2680 | PL_curstackinfo->si_type = PERLSI_MAIN; |
2681 | PL_curstack = PL_curstackinfo->si_stack; | |
2682 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 2683 | |
3280af22 NIS |
2684 | PL_stack_base = AvARRAY(PL_curstack); |
2685 | PL_stack_sp = PL_stack_base; | |
2686 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 2687 | |
3280af22 NIS |
2688 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
2689 | PL_tmps_floor = -1; | |
2690 | PL_tmps_ix = -1; | |
2691 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 2692 | |
3280af22 NIS |
2693 | New(54,PL_markstack,REASONABLE(32),I32); |
2694 | PL_markstack_ptr = PL_markstack; | |
2695 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 2696 | |
ce2f7c3b | 2697 | SET_MARK_OFFSET; |
e336de0d | 2698 | |
3280af22 NIS |
2699 | New(54,PL_scopestack,REASONABLE(32),I32); |
2700 | PL_scopestack_ix = 0; | |
2701 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 2702 | |
3280af22 NIS |
2703 | New(54,PL_savestack,REASONABLE(128),ANY); |
2704 | PL_savestack_ix = 0; | |
2705 | PL_savestack_max = REASONABLE(128); | |
79072805 | 2706 | |
3280af22 NIS |
2707 | New(54,PL_retstack,REASONABLE(16),OP*); |
2708 | PL_retstack_ix = 0; | |
2709 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 2710 | } |
33b78306 | 2711 | |
2ce36478 SM |
2712 | #undef REASONABLE |
2713 | ||
76e3520e | 2714 | STATIC void |
cea2e8a9 | 2715 | S_nuke_stacks(pTHX) |
6e72f9df | 2716 | { |
e858de61 | 2717 | dTHR; |
3280af22 NIS |
2718 | while (PL_curstackinfo->si_next) |
2719 | PL_curstackinfo = PL_curstackinfo->si_next; | |
2720 | while (PL_curstackinfo) { | |
2721 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 2722 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
2723 | Safefree(PL_curstackinfo->si_cxstack); |
2724 | Safefree(PL_curstackinfo); | |
2725 | PL_curstackinfo = p; | |
e336de0d | 2726 | } |
3280af22 NIS |
2727 | Safefree(PL_tmps_stack); |
2728 | Safefree(PL_markstack); | |
2729 | Safefree(PL_scopestack); | |
2730 | Safefree(PL_savestack); | |
2731 | Safefree(PL_retstack); | |
378cc40b | 2732 | } |
33b78306 | 2733 | |
76e3520e | 2734 | #ifndef PERL_OBJECT |
760ac839 | 2735 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 2736 | #endif |
7aa04957 | 2737 | |
76e3520e | 2738 | STATIC void |
cea2e8a9 | 2739 | S_init_lexer(pTHX) |
8990e307 | 2740 | { |
76e3520e GS |
2741 | #ifdef PERL_OBJECT |
2742 | PerlIO *tmpfp; | |
2743 | #endif | |
3280af22 NIS |
2744 | tmpfp = PL_rsfp; |
2745 | PL_rsfp = Nullfp; | |
2746 | lex_start(PL_linestr); | |
2747 | PL_rsfp = tmpfp; | |
79cb57f6 | 2748 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
2749 | } |
2750 | ||
76e3520e | 2751 | STATIC void |
cea2e8a9 | 2752 | S_init_predump_symbols(pTHX) |
45d8adaa | 2753 | { |
11343788 | 2754 | dTHR; |
93a17b20 | 2755 | GV *tmpgv; |
a0d0e21e | 2756 | GV *othergv; |
af8c498a | 2757 | IO *io; |
79072805 | 2758 | |
864dbfa3 | 2759 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
2760 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
2761 | GvMULTI_on(PL_stdingv); | |
af8c498a GS |
2762 | io = GvIOp(PL_stdingv); |
2763 | IoIFP(io) = PerlIO_stdin(); | |
adbc6bb1 | 2764 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2765 | GvMULTI_on(tmpgv); |
af8c498a | 2766 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 2767 | |
85e6fe83 | 2768 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2769 | GvMULTI_on(tmpgv); |
af8c498a GS |
2770 | io = GvIOp(tmpgv); |
2771 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); | |
4633a7c4 | 2772 | setdefout(tmpgv); |
adbc6bb1 | 2773 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2774 | GvMULTI_on(tmpgv); |
af8c498a | 2775 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 2776 | |
bf49b057 GS |
2777 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
2778 | GvMULTI_on(PL_stderrgv); | |
2779 | io = GvIOp(PL_stderrgv); | |
af8c498a | 2780 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 2781 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2782 | GvMULTI_on(tmpgv); |
af8c498a | 2783 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 2784 | |
3280af22 | 2785 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 2786 | |
3280af22 NIS |
2787 | if (!PL_osname) |
2788 | PL_osname = savepv(OSNAME); | |
79072805 | 2789 | } |
33b78306 | 2790 | |
76e3520e | 2791 | STATIC void |
cea2e8a9 | 2792 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) |
33b78306 | 2793 | { |
a863c7d1 | 2794 | dTHR; |
79072805 LW |
2795 | char *s; |
2796 | SV *sv; | |
2797 | GV* tmpgv; | |
fe14fcc3 | 2798 | |
79072805 | 2799 | argc--,argv++; /* skip name of script */ |
3280af22 | 2800 | if (PL_doswitches) { |
79072805 LW |
2801 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2802 | if (!argv[0][1]) | |
2803 | break; | |
2804 | if (argv[0][1] == '-') { | |
2805 | argc--,argv++; | |
2806 | break; | |
2807 | } | |
93a17b20 | 2808 | if (s = strchr(argv[0], '=')) { |
79072805 | 2809 | *s++ = '\0'; |
85e6fe83 | 2810 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2811 | } |
2812 | else | |
85e6fe83 | 2813 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2814 | } |
79072805 | 2815 | } |
3280af22 NIS |
2816 | PL_toptarget = NEWSV(0,0); |
2817 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
2818 | sv_setpvn(PL_toptarget, "", 0); | |
2819 | PL_bodytarget = NEWSV(0,0); | |
2820 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
2821 | sv_setpvn(PL_bodytarget, "", 0); | |
2822 | PL_formtarget = PL_bodytarget; | |
79072805 | 2823 | |
bbce6d69 | 2824 | TAINT; |
85e6fe83 | 2825 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
3280af22 | 2826 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 LW |
2827 | magicname("0", "0", 1); |
2828 | } | |
85e6fe83 | 2829 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
ed344e4f IZ |
2830 | #ifdef OS2 |
2831 | sv_setpv(GvSV(tmpgv), os2_execname()); | |
2832 | #else | |
3280af22 | 2833 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); |
ed344e4f | 2834 | #endif |
3280af22 NIS |
2835 | if (PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
2836 | GvMULTI_on(PL_argvgv); | |
2837 | (void)gv_AVadd(PL_argvgv); | |
2838 | av_clear(GvAVn(PL_argvgv)); | |
79072805 | 2839 | for (; argc > 0; argc--,argv++) { |
3280af22 | 2840 | av_push(GvAVn(PL_argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2841 | } |
2842 | } | |
3280af22 | 2843 | if (PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2844 | HV *hv; |
3280af22 NIS |
2845 | GvMULTI_on(PL_envgv); |
2846 | hv = GvHVn(PL_envgv); | |
2847 | hv_magic(hv, PL_envgv, 'E'); | |
4d2c4e07 | 2848 | #if !defined( VMS) && !defined(EPOC) /* VMS doesn't have environ array */ |
4633a7c4 LW |
2849 | /* Note that if the supplied env parameter is actually a copy |
2850 | of the global environ then it may now point to free'd memory | |
2851 | if the environment has been modified since. To avoid this | |
2852 | problem we treat env==NULL as meaning 'use the default' | |
2853 | */ | |
2854 | if (!env) | |
2855 | env = environ; | |
5aabfad6 | 2856 | if (env != environ) |
79072805 LW |
2857 | environ[0] = Nullch; |
2858 | for (; *env; env++) { | |
93a17b20 | 2859 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2860 | continue; |
2861 | *s++ = '\0'; | |
60ce6247 | 2862 | #if defined(MSDOS) |
137443ea | 2863 | (void)strupr(*env); |
2864 | #endif | |
79072805 LW |
2865 | sv = newSVpv(s--,0); |
2866 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2867 | *s = '='; | |
3e3baf6d TB |
2868 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2869 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2870 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2871 | #endif |
fe14fcc3 | 2872 | } |
4550b24a | 2873 | #endif |
2874 | #ifdef DYNAMIC_ENV_FETCH | |
2875 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2876 | #endif | |
79072805 | 2877 | } |
bbce6d69 | 2878 | TAINT_NOT; |
85e6fe83 | 2879 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
7766f137 | 2880 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
33b78306 | 2881 | } |
34de22dd | 2882 | |
76e3520e | 2883 | STATIC void |
cea2e8a9 | 2884 | S_init_perllib(pTHX) |
34de22dd | 2885 | { |
85e6fe83 | 2886 | char *s; |
3280af22 | 2887 | if (!PL_tainting) { |
552a7a9b | 2888 | #ifndef VMS |
76e3520e | 2889 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2890 | if (s) |
774d564b | 2891 | incpush(s, TRUE); |
85e6fe83 | 2892 | else |
76e3520e | 2893 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2894 | #else /* VMS */ |
2895 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2896 | * "natural" VMS idiom for a Unix path string. We allow each | |
2897 | * element to be a set of |-separated directories for compatibility. | |
2898 | */ | |
2899 | char buf[256]; | |
2900 | int idx = 0; | |
2901 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2902 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2903 | else |
774d564b | 2904 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2905 | #endif /* VMS */ |
85e6fe83 | 2906 | } |
34de22dd | 2907 | |
c90c0ff4 | 2908 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2909 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2910 | */ |
4633a7c4 | 2911 | #ifdef APPLLIB_EXP |
43051805 | 2912 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2913 | #endif |
4633a7c4 | 2914 | |
fed7345c | 2915 | #ifdef ARCHLIB_EXP |
774d564b | 2916 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2917 | #endif |
fed7345c AD |
2918 | #ifndef PRIVLIB_EXP |
2919 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2920 | #endif |
00dc2f4f GS |
2921 | #if defined(WIN32) |
2922 | incpush(PRIVLIB_EXP, TRUE); | |
2923 | #else | |
774d564b | 2924 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 2925 | #endif |
4633a7c4 LW |
2926 | |
2927 | #ifdef SITEARCH_EXP | |
774d564b | 2928 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2929 | #endif |
2930 | #ifdef SITELIB_EXP | |
00dc2f4f GS |
2931 | #if defined(WIN32) |
2932 | incpush(SITELIB_EXP, TRUE); | |
2933 | #else | |
774d564b | 2934 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2935 | #endif |
81c6dfba | 2936 | #endif |
a3635516 JH |
2937 | #if defined(PERL_VENDORLIB_EXP) |
2938 | #if defined(WIN32) | |
265f5c4a | 2939 | incpush(PERL_VENDORLIB_EXP, TRUE); |
a3635516 JH |
2940 | #else |
2941 | incpush(PERL_VENDORLIB_EXP, FALSE); | |
2942 | #endif | |
00dc2f4f | 2943 | #endif |
3280af22 | 2944 | if (!PL_tainting) |
774d564b | 2945 | incpush(".", FALSE); |
2946 | } | |
2947 | ||
2948 | #if defined(DOSISH) | |
2949 | # define PERLLIB_SEP ';' | |
2950 | #else | |
2951 | # if defined(VMS) | |
2952 | # define PERLLIB_SEP '|' | |
2953 | # else | |
2954 | # define PERLLIB_SEP ':' | |
2955 | # endif | |
2956 | #endif | |
2957 | #ifndef PERLLIB_MANGLE | |
2958 | # define PERLLIB_MANGLE(s,n) (s) | |
2959 | #endif | |
2960 | ||
76e3520e | 2961 | STATIC void |
cea2e8a9 | 2962 | S_incpush(pTHX_ char *p, int addsubdirs) |
774d564b | 2963 | { |
2964 | SV *subdir = Nullsv; | |
774d564b | 2965 | |
2966 | if (!p) | |
2967 | return; | |
2968 | ||
2969 | if (addsubdirs) { | |
00db4c45 | 2970 | subdir = sv_newmortal(); |
3280af22 NIS |
2971 | if (!PL_archpat_auto) { |
2972 | STRLEN len = (sizeof(ARCHNAME) + strlen(PL_patchlevel) | |
774d564b | 2973 | + sizeof("//auto")); |
3280af22 NIS |
2974 | New(55, PL_archpat_auto, len, char); |
2975 | sprintf(PL_archpat_auto, "/%s/%s/auto", ARCHNAME, PL_patchlevel); | |
aa689395 | 2976 | #ifdef VMS |
2977 | for (len = sizeof(ARCHNAME) + 2; | |
6b88bc9c GS |
2978 | PL_archpat_auto[len] != '\0' && PL_archpat_auto[len] != '/'; len++) |
2979 | if (PL_archpat_auto[len] == '.') PL_archpat_auto[len] = '_'; | |
aa689395 | 2980 | #endif |
774d564b | 2981 | } |
2982 | } | |
2983 | ||
2984 | /* Break at all separators */ | |
2985 | while (p && *p) { | |
8c52afec | 2986 | SV *libdir = NEWSV(55,0); |
774d564b | 2987 | char *s; |
2988 | ||
2989 | /* skip any consecutive separators */ | |
2990 | while ( *p == PERLLIB_SEP ) { | |
2991 | /* Uncomment the next line for PATH semantics */ | |
79cb57f6 | 2992 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ |
774d564b | 2993 | p++; |
2994 | } | |
2995 | ||
2996 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2997 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2998 | (STRLEN)(s - p)); | |
2999 | p = s + 1; | |
3000 | } | |
3001 | else { | |
3002 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
3003 | p = Nullch; /* break out */ | |
3004 | } | |
3005 | ||
3006 | /* | |
3007 | * BEFORE pushing libdir onto @INC we may first push version- and | |
3008 | * archname-specific sub-directories. | |
3009 | */ | |
3010 | if (addsubdirs) { | |
3011 | struct stat tmpstatbuf; | |
aa689395 | 3012 | #ifdef VMS |
3013 | char *unix; | |
3014 | STRLEN len; | |
774d564b | 3015 | |
2d8e6c8d | 3016 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 3017 | len = strlen(unix); |
3018 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
3019 | sv_usepvn(libdir,unix,len); | |
3020 | } | |
3021 | else | |
bf49b057 | 3022 | PerlIO_printf(Perl_error_log, |
aa689395 | 3023 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 3024 | SvPV(libdir,len)); |
aa689395 | 3025 | #endif |
4fdae800 | 3026 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 3027 | sv_setsv(subdir, libdir); |
3280af22 | 3028 | sv_catpv(subdir, PL_archpat_auto); |
76e3520e | 3029 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 3030 | S_ISDIR(tmpstatbuf.st_mode)) |
3280af22 | 3031 | av_push(GvAVn(PL_incgv), |
79cb57f6 | 3032 | newSVpvn(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
774d564b | 3033 | |
4fdae800 | 3034 | /* .../archname if -d .../archname/auto */ |
774d564b | 3035 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
3280af22 | 3036 | strlen(PL_patchlevel) + 1, "", 0); |
76e3520e | 3037 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 3038 | S_ISDIR(tmpstatbuf.st_mode)) |
3280af22 | 3039 | av_push(GvAVn(PL_incgv), |
79cb57f6 | 3040 | newSVpvn(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
774d564b | 3041 | } |
3042 | ||
3043 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 3044 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 3045 | } |
34de22dd | 3046 | } |
93a17b20 | 3047 | |
199100c8 | 3048 | #ifdef USE_THREADS |
76e3520e | 3049 | STATIC struct perl_thread * |
cea2e8a9 | 3050 | S_init_main_thread(pTHX) |
199100c8 | 3051 | { |
c5be433b | 3052 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 3053 | struct perl_thread *thr; |
cea2e8a9 | 3054 | #endif |
199100c8 MB |
3055 | XPV *xpv; |
3056 | ||
52e1cb5e | 3057 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 3058 | PL_curcop = &PL_compiling; |
c5be433b | 3059 | thr->interp = PERL_GET_INTERP; |
199100c8 | 3060 | thr->cvcache = newHV(); |
54b9620d | 3061 | thr->threadsv = newAV(); |
940cb80d | 3062 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
3063 | thr->specific = newAV(); |
3064 | thr->flags = THRf_R_JOINABLE; | |
3065 | MUTEX_INIT(&thr->mutex); | |
3066 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 3067 | New(53, PL_thrsv, 1, SV); |
199100c8 | 3068 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
3069 | SvFLAGS(PL_thrsv) = SVt_PV; |
3070 | SvANY(PL_thrsv) = (void*)xpv; | |
3071 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
3072 | SvPVX(PL_thrsv) = (char*)thr; | |
3073 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
3074 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
3075 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
3076 | thr->oursv = PL_thrsv; | |
3077 | PL_chopset = " \n-"; | |
3967c732 | 3078 | PL_dumpindent = 4; |
533c011a NIS |
3079 | |
3080 | MUTEX_LOCK(&PL_threads_mutex); | |
3081 | PL_nthreads++; | |
199100c8 MB |
3082 | thr->tid = 0; |
3083 | thr->next = thr; | |
3084 | thr->prev = thr; | |
533c011a | 3085 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 3086 | |
4b026b9e | 3087 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 3088 | Perl_init_thread_intern(thr); |
235db74f GS |
3089 | #endif |
3090 | ||
3091 | #ifdef SET_THREAD_SELF | |
3092 | SET_THREAD_SELF(thr); | |
199100c8 MB |
3093 | #else |
3094 | thr->self = pthread_self(); | |
235db74f | 3095 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
3096 | SET_THR(thr); |
3097 | ||
3098 | /* | |
3099 | * These must come after the SET_THR because sv_setpvn does | |
3100 | * SvTAINT and the taint fields require dTHR. | |
3101 | */ | |
533c011a NIS |
3102 | PL_toptarget = NEWSV(0,0); |
3103 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3104 | sv_setpvn(PL_toptarget, "", 0); | |
3105 | PL_bodytarget = NEWSV(0,0); | |
3106 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3107 | sv_setpvn(PL_bodytarget, "", 0); | |
3108 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 3109 | thr->errsv = newSVpvn("", 0); |
78857c3c | 3110 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 3111 | |
533c011a | 3112 | PL_maxscream = -1; |
0b94c7bb GS |
3113 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
3114 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
3115 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
3116 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
3117 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
3118 | PL_regindent = 0; |
3119 | PL_reginterp_cnt = 0; | |
5c0ca799 | 3120 | |
199100c8 MB |
3121 | return thr; |
3122 | } | |
3123 | #endif /* USE_THREADS */ | |
3124 | ||
93a17b20 | 3125 | void |
864dbfa3 | 3126 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 3127 | { |
11343788 | 3128 | dTHR; |
971a9dd3 | 3129 | SV *atsv; |
57843af0 | 3130 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 3131 | CV *cv; |
22921e25 | 3132 | STRLEN len; |
6224f72b | 3133 | int ret; |
db36c5a1 | 3134 | dJMPENV; |
93a17b20 | 3135 | |
76e3520e | 3136 | while (AvFILL(paramList) >= 0) { |
312caa8e | 3137 | cv = (CV*)av_shift(paramList); |
8990e307 | 3138 | SAVEFREESV(cv); |
db36c5a1 | 3139 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_call_list_body), cv); |
6224f72b | 3140 | switch (ret) { |
312caa8e | 3141 | case 0: |
971a9dd3 | 3142 | atsv = ERRSV; |
312caa8e CS |
3143 | (void)SvPV(atsv, len); |
3144 | if (len) { | |
971a9dd3 | 3145 | STRLEN n_a; |
312caa8e | 3146 | PL_curcop = &PL_compiling; |
57843af0 | 3147 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
3148 | if (paramList == PL_beginav) |
3149 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
3150 | else | |
4f25aa18 GS |
3151 | Perl_sv_catpvf(aTHX_ atsv, |
3152 | "%s failed--call queue aborted", | |
3153 | paramList == PL_stopav ? "STOP" | |
3154 | : paramList == PL_initav ? "INIT" | |
3155 | : "END"); | |
312caa8e CS |
3156 | while (PL_scopestack_ix > oldscope) |
3157 | LEAVE; | |
971a9dd3 | 3158 | Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a)); |
a0d0e21e | 3159 | } |
85e6fe83 | 3160 | break; |
6224f72b | 3161 | case 1: |
f86702cc | 3162 | STATUS_ALL_FAILURE; |
85e6fe83 | 3163 | /* FALL THROUGH */ |
6224f72b | 3164 | case 2: |
85e6fe83 | 3165 | /* my_exit() was called */ |
3280af22 | 3166 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 3167 | LEAVE; |
84902520 | 3168 | FREETMPS; |
3280af22 | 3169 | PL_curstash = PL_defstash; |
3280af22 | 3170 | PL_curcop = &PL_compiling; |
57843af0 | 3171 | CopLINE_set(PL_curcop, oldline); |
3280af22 NIS |
3172 | if (PL_statusvalue) { |
3173 | if (paramList == PL_beginav) | |
cea2e8a9 | 3174 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 3175 | else |
4f25aa18 GS |
3176 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
3177 | paramList == PL_stopav ? "STOP" | |
3178 | : paramList == PL_initav ? "INIT" | |
3179 | : "END"); | |
85e6fe83 | 3180 | } |
f86702cc | 3181 | my_exit_jump(); |
85e6fe83 | 3182 | /* NOTREACHED */ |
6224f72b | 3183 | case 3: |
312caa8e CS |
3184 | if (PL_restartop) { |
3185 | PL_curcop = &PL_compiling; | |
57843af0 | 3186 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 3187 | JMPENV_JUMP(3); |
85e6fe83 | 3188 | } |
bf49b057 | 3189 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
3190 | FREETMPS; |
3191 | break; | |
8990e307 | 3192 | } |
93a17b20 | 3193 | } |
93a17b20 | 3194 | } |
93a17b20 | 3195 | |
312caa8e | 3196 | STATIC void * |
cea2e8a9 | 3197 | S_call_list_body(pTHX_ va_list args) |
312caa8e CS |
3198 | { |
3199 | dTHR; | |
3200 | CV *cv = va_arg(args, CV*); | |
3201 | ||
3202 | PUSHMARK(PL_stack_sp); | |
864dbfa3 | 3203 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
3204 | return NULL; |
3205 | } | |
3206 | ||
f86702cc | 3207 | void |
864dbfa3 | 3208 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 3209 | { |
5dc0d613 MB |
3210 | dTHR; |
3211 | ||
8b73bbec | 3212 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 3213 | thr, (unsigned long) status)); |
f86702cc | 3214 | switch (status) { |
3215 | case 0: | |
3216 | STATUS_ALL_SUCCESS; | |
3217 | break; | |
3218 | case 1: | |
3219 | STATUS_ALL_FAILURE; | |
3220 | break; | |
3221 | default: | |
3222 | STATUS_NATIVE_SET(status); | |
3223 | break; | |
3224 | } | |
3225 | my_exit_jump(); | |
3226 | } | |
3227 | ||
3228 | void | |
864dbfa3 | 3229 | Perl_my_failure_exit(pTHX) |
f86702cc | 3230 | { |
3231 | #ifdef VMS | |
3232 | if (vaxc$errno & 1) { | |
4fdae800 | 3233 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
3234 | STATUS_NATIVE_SET(44); | |
f86702cc | 3235 | } |
3236 | else { | |
ff0cee69 | 3237 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 3238 | STATUS_NATIVE_SET(44); |
f86702cc | 3239 | else |
4fdae800 | 3240 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 3241 | } |
3242 | #else | |
9b599b2a | 3243 | int exitstatus; |
f86702cc | 3244 | if (errno & 255) |
3245 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
3246 | else { |
3247 | exitstatus = STATUS_POSIX >> 8; | |
3248 | if (exitstatus & 255) | |
3249 | STATUS_POSIX_SET(exitstatus); | |
3250 | else | |
3251 | STATUS_POSIX_SET(255); | |
3252 | } | |
f86702cc | 3253 | #endif |
3254 | my_exit_jump(); | |
93a17b20 LW |
3255 | } |
3256 | ||
76e3520e | 3257 | STATIC void |
cea2e8a9 | 3258 | S_my_exit_jump(pTHX) |
f86702cc | 3259 | { |
de616352 | 3260 | dTHR; |
c09156bb | 3261 | register PERL_CONTEXT *cx; |
f86702cc | 3262 | I32 gimme; |
3263 | SV **newsp; | |
3264 | ||
3280af22 NIS |
3265 | if (PL_e_script) { |
3266 | SvREFCNT_dec(PL_e_script); | |
3267 | PL_e_script = Nullsv; | |
f86702cc | 3268 | } |
3269 | ||
3280af22 | 3270 | POPSTACK_TO(PL_mainstack); |
f86702cc | 3271 | if (cxstack_ix >= 0) { |
3272 | if (cxstack_ix > 0) | |
3273 | dounwind(0); | |
3280af22 | 3274 | POPBLOCK(cx,PL_curpm); |
f86702cc | 3275 | LEAVE; |
3276 | } | |
ff0cee69 | 3277 | |
6224f72b | 3278 | JMPENV_JUMP(2); |
f86702cc | 3279 | } |
873ef191 | 3280 | |
7a5f8e82 | 3281 | #ifdef PERL_OBJECT |
873ef191 | 3282 | #include "XSUB.h" |
51371543 | 3283 | #endif |
873ef191 | 3284 | |
0cb96387 GS |
3285 | static I32 |
3286 | read_e_script(pTHXo_ int idx, SV *buf_sv, int maxlen) | |
873ef191 GS |
3287 | { |
3288 | char *p, *nl; | |
3280af22 | 3289 | p = SvPVX(PL_e_script); |
873ef191 | 3290 | nl = strchr(p, '\n'); |
3280af22 | 3291 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 3292 | if (nl-p == 0) { |
0cb96387 | 3293 | filter_del(read_e_script); |
873ef191 | 3294 | return 0; |
7dfe3f66 | 3295 | } |
873ef191 | 3296 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 3297 | sv_chop(PL_e_script, nl); |
873ef191 GS |
3298 | return 1; |
3299 | } |