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