Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
4bb101f2 JH |
3 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
4 | * 2000, 2001, 2002, 2003, by Larry Wall and others | |
a687059c | 5 | * |
352d5a3a LW |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. | |
a687059c | 8 | * |
8d063cd8 LW |
9 | */ |
10 | ||
a0d0e21e LW |
11 | /* |
12 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
13 | */ | |
45d8adaa | 14 | |
378cc40b | 15 | #include "EXTERN.h" |
864dbfa3 | 16 | #define PERL_IN_PERL_C |
378cc40b | 17 | #include "perl.h" |
e3321bb0 | 18 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 19 | |
011f1a1a JH |
20 | #ifdef NETWARE |
21 | #include "nwutil.h" | |
22 | char *nw_get_sitelib(const char *pl); | |
23 | #endif | |
24 | ||
df5cef82 | 25 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
26 | #ifdef I_UNISTD |
27 | #include <unistd.h> | |
28 | #endif | |
a0d0e21e | 29 | |
5311654c JH |
30 | #ifdef __BEOS__ |
31 | # define HZ 1000000 | |
32 | #endif | |
33 | ||
34 | #ifndef HZ | |
35 | # ifdef CLK_TCK | |
36 | # define HZ CLK_TCK | |
37 | # else | |
38 | # define HZ 60 | |
39 | # endif | |
40 | #endif | |
41 | ||
7114a2d2 | 42 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 43 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 44 | #endif |
45 | ||
acfe0abc | 46 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 47 | |
a687059c LW |
48 | #ifdef IAMSUID |
49 | #ifndef DOSUID | |
50 | #define DOSUID | |
51 | #endif | |
52 | #endif | |
378cc40b | 53 | |
a687059c LW |
54 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
55 | #ifdef DOSUID | |
56 | #undef DOSUID | |
57 | #endif | |
58 | #endif | |
8d063cd8 | 59 | |
3db8f154 | 60 | #if defined(USE_ITHREADS) |
06d86050 GS |
61 | # define INIT_TLS_AND_INTERP \ |
62 | STMT_START { \ | |
63 | if (!PL_curinterp) { \ | |
64 | PERL_SET_INTERP(my_perl); \ | |
65 | INIT_THREADS; \ | |
66 | ALLOC_THREAD_KEY; \ | |
534825c4 GS |
67 | PERL_SET_THX(my_perl); \ |
68 | OP_REFCNT_INIT; \ | |
7d4724a4 | 69 | MUTEX_INIT(&PL_dollarzero_mutex); \ |
534825c4 GS |
70 | } \ |
71 | else { \ | |
72 | PERL_SET_THX(my_perl); \ | |
06d86050 | 73 | } \ |
06d86050 | 74 | } STMT_END |
3db8f154 | 75 | #else |
06d86050 GS |
76 | # define INIT_TLS_AND_INTERP \ |
77 | STMT_START { \ | |
78 | if (!PL_curinterp) { \ | |
79 | PERL_SET_INTERP(my_perl); \ | |
80 | } \ | |
81 | PERL_SET_THX(my_perl); \ | |
82 | } STMT_END | |
83 | # endif | |
06d86050 | 84 | |
32e30700 GS |
85 | #ifdef PERL_IMPLICIT_SYS |
86 | PerlInterpreter * | |
7766f137 GS |
87 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
88 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
89 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
90 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
91 | struct IPerlProc* ipP) | |
92 | { | |
93 | PerlInterpreter *my_perl; | |
32e30700 GS |
94 | /* New() needs interpreter, so call malloc() instead */ |
95 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
06d86050 | 96 | INIT_TLS_AND_INTERP; |
32e30700 GS |
97 | Zero(my_perl, 1, PerlInterpreter); |
98 | PL_Mem = ipM; | |
7766f137 GS |
99 | PL_MemShared = ipMS; |
100 | PL_MemParse = ipMP; | |
32e30700 GS |
101 | PL_Env = ipE; |
102 | PL_StdIO = ipStd; | |
103 | PL_LIO = ipLIO; | |
104 | PL_Dir = ipD; | |
105 | PL_Sock = ipS; | |
106 | PL_Proc = ipP; | |
7766f137 | 107 | |
32e30700 GS |
108 | return my_perl; |
109 | } | |
110 | #else | |
954c1994 GS |
111 | |
112 | /* | |
ccfc67b7 JH |
113 | =head1 Embedding Functions |
114 | ||
954c1994 GS |
115 | =for apidoc perl_alloc |
116 | ||
117 | Allocates a new Perl interpreter. See L<perlembed>. | |
118 | ||
119 | =cut | |
120 | */ | |
121 | ||
93a17b20 | 122 | PerlInterpreter * |
cea2e8a9 | 123 | perl_alloc(void) |
79072805 | 124 | { |
cea2e8a9 | 125 | PerlInterpreter *my_perl; |
35d7cf2c JH |
126 | #ifdef USE_5005THREADS |
127 | dTHX; | |
128 | #endif | |
79072805 | 129 | |
54aff467 | 130 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 131 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 132 | |
06d86050 | 133 | INIT_TLS_AND_INTERP; |
dedcbb81 | 134 | Zero(my_perl, 1, PerlInterpreter); |
cea2e8a9 | 135 | return my_perl; |
79072805 | 136 | } |
32e30700 | 137 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 138 | |
954c1994 GS |
139 | /* |
140 | =for apidoc perl_construct | |
141 | ||
142 | Initializes a new Perl interpreter. See L<perlembed>. | |
143 | ||
144 | =cut | |
145 | */ | |
146 | ||
79072805 | 147 | void |
0cb96387 | 148 | perl_construct(pTHXx) |
79072805 | 149 | { |
8990e307 | 150 | #ifdef MULTIPLICITY |
54aff467 | 151 | init_interp(); |
ac27b0f5 | 152 | PL_perl_destruct_level = 1; |
54aff467 GS |
153 | #else |
154 | if (PL_perl_destruct_level > 0) | |
155 | init_interp(); | |
156 | #endif | |
33f46ff6 | 157 | /* Init the real globals (and main thread)? */ |
3280af22 | 158 | if (!PL_linestr) { |
14dd3ad8 | 159 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
0b94c7bb | 160 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
14dd3ad8 | 161 | #endif |
312caa8e | 162 | |
2aea9f8a GS |
163 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
164 | ||
3280af22 NIS |
165 | PL_linestr = NEWSV(65,79); |
166 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 167 | |
3280af22 | 168 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
169 | /* set read-only and try to insure than we wont see REFCNT==0 |
170 | very often */ | |
171 | ||
3280af22 NIS |
172 | SvREADONLY_on(&PL_sv_undef); |
173 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 174 | |
3280af22 NIS |
175 | sv_setpv(&PL_sv_no,PL_No); |
176 | SvNV(&PL_sv_no); | |
177 | SvREADONLY_on(&PL_sv_no); | |
178 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 179 | |
3280af22 NIS |
180 | sv_setpv(&PL_sv_yes,PL_Yes); |
181 | SvNV(&PL_sv_yes); | |
182 | SvREADONLY_on(&PL_sv_yes); | |
183 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 184 | } |
79072805 | 185 | |
cea2e8a9 | 186 | PL_sighandlerp = Perl_sighandler; |
3280af22 | 187 | PL_pidstatus = newHV(); |
79072805 LW |
188 | } |
189 | ||
8bfdd7d9 | 190 | PL_rs = newSVpvn("\n", 1); |
dc92893f | 191 | |
cea2e8a9 | 192 | init_stacks(); |
79072805 | 193 | |
748a9306 | 194 | init_ids(); |
3280af22 | 195 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 196 | |
312caa8e | 197 | JMPENV_BOOTSTRAP; |
f86702cc | 198 | STATUS_ALL_SUCCESS; |
199 | ||
0672f40e | 200 | init_i18nl10n(1); |
36477c24 | 201 | SET_NUMERIC_STANDARD(); |
0b5b802d | 202 | |
a7cb1f99 GS |
203 | { |
204 | U8 *s; | |
205 | PL_patchlevel = NEWSV(0,4); | |
155aba94 | 206 | (void)SvUPGRADE(PL_patchlevel, SVt_PVNV); |
a7cb1f99 | 207 | if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127) |
806e7201 | 208 | SvGROW(PL_patchlevel, UTF8_MAXLEN*3+1); |
a7cb1f99 | 209 | s = (U8*)SvPVX(PL_patchlevel); |
9041c2e3 NIS |
210 | /* Build version strings using "native" characters */ |
211 | s = uvchr_to_utf8(s, (UV)PERL_REVISION); | |
212 | s = uvchr_to_utf8(s, (UV)PERL_VERSION); | |
213 | s = uvchr_to_utf8(s, (UV)PERL_SUBVERSION); | |
a7cb1f99 GS |
214 | *s = '\0'; |
215 | SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel)); | |
216 | SvPOK_on(PL_patchlevel); | |
00d6e121 MB |
217 | SvNVX(PL_patchlevel) = (NV)PERL_REVISION + |
218 | ((NV)PERL_VERSION / (NV)1000) + | |
219 | ((NV)PERL_SUBVERSION / (NV)1000000); | |
a7cb1f99 GS |
220 | SvNOK_on(PL_patchlevel); /* dual valued */ |
221 | SvUTF8_on(PL_patchlevel); | |
222 | SvREADONLY_on(PL_patchlevel); | |
223 | } | |
79072805 | 224 | |
ab821d7f | 225 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 226 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 227 | #endif |
228 | ||
52853b95 GS |
229 | #ifdef HAVE_INTERP_INTERN |
230 | sys_intern_init(); | |
231 | #endif | |
232 | ||
3a1ee7e8 | 233 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 234 | |
3280af22 NIS |
235 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
236 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
24944567 | 237 | PL_errors = newSVpvn("",0); |
48c6b404 | 238 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
239 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
240 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 241 | #ifdef USE_ITHREADS |
13137afc AB |
242 | PL_regex_padav = newAV(); |
243 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
244 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 245 | #endif |
e5dd39fc | 246 | #ifdef USE_REENTRANT_API |
59bd0823 | 247 | Perl_reentrant_init(aTHX); |
e5dd39fc | 248 | #endif |
3d47000e AB |
249 | |
250 | /* Note that strtab is a rather special HV. Assumptions are made | |
251 | about not iterating on it, and not adding tie magic to it. | |
252 | It is properly deallocated in perl_destruct() */ | |
253 | PL_strtab = newHV(); | |
254 | ||
3d47000e AB |
255 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
256 | hv_ksplit(PL_strtab, 512); | |
257 | ||
0631ea03 AB |
258 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
259 | _dyld_lookup_and_bind | |
260 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
261 | #endif /* environ */ | |
262 | ||
263 | #ifdef USE_ENVIRON_ARRAY | |
264 | PL_origenviron = environ; | |
265 | #endif | |
266 | ||
5311654c JH |
267 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
268 | * available or if the sysconf() fails, use the HZ. */ | |
269 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) | |
270 | PL_clocktick = sysconf(_SC_CLK_TCK); | |
271 | if (PL_clocktick <= 0) | |
272 | #endif | |
273 | PL_clocktick = HZ; | |
274 | ||
081fc587 AB |
275 | PL_stashcache = newHV(); |
276 | ||
8990e307 | 277 | ENTER; |
79072805 LW |
278 | } |
279 | ||
954c1994 | 280 | /* |
62375a60 NIS |
281 | =for apidoc nothreadhook |
282 | ||
283 | Stub that provides thread hook for perl_destruct when there are | |
284 | no threads. | |
285 | ||
286 | =cut | |
287 | */ | |
288 | ||
289 | int | |
4e9e3734 | 290 | Perl_nothreadhook(pTHX) |
62375a60 NIS |
291 | { |
292 | return 0; | |
293 | } | |
294 | ||
295 | /* | |
954c1994 GS |
296 | =for apidoc perl_destruct |
297 | ||
298 | Shuts down a Perl interpreter. See L<perlembed>. | |
299 | ||
300 | =cut | |
301 | */ | |
302 | ||
31d77e54 | 303 | int |
0cb96387 | 304 | perl_destruct(pTHXx) |
79072805 | 305 | { |
7c474504 | 306 | volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 307 | HV *hv; |
4d1ff10f | 308 | #ifdef USE_5005THREADS |
cea2e8a9 | 309 | dTHX; |
4d1ff10f | 310 | #endif /* USE_5005THREADS */ |
8990e307 | 311 | |
7766f137 GS |
312 | /* wait for all pseudo-forked children to finish */ |
313 | PERL_WAIT_FOR_CHILDREN; | |
314 | ||
3280af22 | 315 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
316 | #ifdef DEBUGGING |
317 | { | |
318 | char *s; | |
155aba94 | 319 | if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) { |
5f05dabc | 320 | int i = atoi(s); |
321 | if (destruct_level < i) | |
322 | destruct_level = i; | |
323 | } | |
4633a7c4 LW |
324 | } |
325 | #endif | |
326 | ||
31d77e54 AB |
327 | |
328 | if(PL_exit_flags & PERL_EXIT_DESTRUCT_END) { | |
f3faeb53 AB |
329 | dJMPENV; |
330 | int x = 0; | |
331 | ||
332 | JMPENV_PUSH(x); | |
333 | if (PL_endav && !PL_minus_c) | |
334 | call_list(PL_scopestack_ix, PL_endav); | |
335 | JMPENV_POP; | |
26f423df | 336 | } |
f3faeb53 | 337 | LEAVE; |
a0d0e21e LW |
338 | FREETMPS; |
339 | ||
e00b64d4 | 340 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 341 | my_fflush_all(); |
e00b64d4 | 342 | |
62375a60 NIS |
343 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
344 | /* Threads hook has vetoed further cleanup */ | |
b47cad08 | 345 | return STATUS_NATIVE_EXPORT; |
62375a60 NIS |
346 | } |
347 | ||
ff0cee69 | 348 | /* We must account for everything. */ |
349 | ||
350 | /* Destroy the main CV and syntax tree */ | |
3280af22 | 351 | if (PL_main_root) { |
3280af22 NIS |
352 | op_free(PL_main_root); |
353 | PL_main_root = Nullop; | |
a0d0e21e | 354 | } |
3280af22 NIS |
355 | PL_curcop = &PL_compiling; |
356 | PL_main_start = Nullop; | |
357 | SvREFCNT_dec(PL_main_cv); | |
358 | PL_main_cv = Nullcv; | |
24d3c518 | 359 | PL_dirty = TRUE; |
ff0cee69 | 360 | |
13621cfb NIS |
361 | /* Tell PerlIO we are about to tear things apart in case |
362 | we have layers which are using resources that should | |
363 | be cleaned up now. | |
364 | */ | |
365 | ||
366 | PerlIO_destruct(aTHX); | |
367 | ||
3280af22 | 368 | if (PL_sv_objcount) { |
a0d0e21e LW |
369 | /* |
370 | * Try to destruct global references. We do this first so that the | |
371 | * destructors and destructees still exist. Some sv's might remain. | |
372 | * Non-referenced objects are on their own. | |
373 | */ | |
a0d0e21e | 374 | sv_clean_objs(); |
8990e307 LW |
375 | } |
376 | ||
5cd24f17 | 377 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
378 | SvREFCNT_dec(PL_warnhook); |
379 | PL_warnhook = Nullsv; | |
380 | SvREFCNT_dec(PL_diehook); | |
381 | PL_diehook = Nullsv; | |
5cd24f17 | 382 | |
4b556e6c | 383 | /* call exit list functions */ |
3280af22 | 384 | while (PL_exitlistlen-- > 0) |
acfe0abc | 385 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 386 | |
3280af22 | 387 | Safefree(PL_exitlist); |
4b556e6c | 388 | |
1c4916e5 CB |
389 | PL_exitlist = NULL; |
390 | PL_exitlistlen = 0; | |
391 | ||
a0d0e21e | 392 | if (destruct_level == 0){ |
8990e307 | 393 | |
a0d0e21e | 394 | DEBUG_P(debprofdump()); |
ac27b0f5 | 395 | |
56a2bab7 NIS |
396 | #if defined(PERLIO_LAYERS) |
397 | /* No more IO - including error messages ! */ | |
398 | PerlIO_cleanup(aTHX); | |
399 | #endif | |
400 | ||
a0d0e21e | 401 | /* The exit() function will do everything that needs doing. */ |
b47cad08 | 402 | return STATUS_NATIVE_EXPORT; |
a0d0e21e | 403 | } |
5dd60ef7 | 404 | |
551a8b83 | 405 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
406 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
407 | * so we certainly shouldn't free it here | |
408 | */ | |
409 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) | |
4efc5df6 GS |
410 | if (environ != PL_origenviron |
411 | #ifdef USE_ITHREADS | |
412 | /* only main thread can free environ[0] contents */ | |
413 | && PL_curinterp == aTHX | |
414 | #endif | |
415 | ) | |
416 | { | |
551a8b83 JH |
417 | I32 i; |
418 | ||
419 | for (i = 0; environ[i]; i++) | |
4b420006 | 420 | safesysfree(environ[i]); |
0631ea03 | 421 | |
4b420006 JH |
422 | /* Must use safesysfree() when working with environ. */ |
423 | safesysfree(environ); | |
551a8b83 JH |
424 | |
425 | environ = PL_origenviron; | |
426 | } | |
427 | #endif | |
428 | ||
5f8cb046 DM |
429 | #ifdef USE_ITHREADS |
430 | /* the syntax tree is shared between clones | |
431 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
432 | * REGEXPs in the parent interpreter | |
433 | * we need to manually ReREFCNT_dec for the clones | |
434 | */ | |
435 | { | |
436 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
437 | SV **ary = AvARRAY(PL_regex_padav); | |
438 | ||
439 | while (i) { | |
35061a7e | 440 | SV *resv = ary[--i]; |
ba89bb6e | 441 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); |
35061a7e DM |
442 | |
443 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 444 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
445 | * flag is set in regexec.c:S_regtry |
446 | */ | |
447 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 448 | } |
1cc8b4c5 AB |
449 | else if(SvREPADTMP(resv)) { |
450 | SvREPADTMP_off(resv); | |
451 | } | |
35061a7e | 452 | else { |
5f8cb046 DM |
453 | ReREFCNT_dec(re); |
454 | } | |
455 | } | |
456 | } | |
457 | SvREFCNT_dec(PL_regex_padav); | |
458 | PL_regex_padav = Nullav; | |
459 | PL_regex_pad = NULL; | |
460 | #endif | |
461 | ||
081fc587 AB |
462 | SvREFCNT_dec((SV*) PL_stashcache); |
463 | PL_stashcache = NULL; | |
464 | ||
5f05dabc | 465 | /* loosen bonds of global variables */ |
466 | ||
3280af22 NIS |
467 | if(PL_rsfp) { |
468 | (void)PerlIO_close(PL_rsfp); | |
469 | PL_rsfp = Nullfp; | |
8ebc5c01 | 470 | } |
471 | ||
472 | /* Filters for program text */ | |
3280af22 NIS |
473 | SvREFCNT_dec(PL_rsfp_filters); |
474 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 475 | |
476 | /* switches */ | |
3280af22 NIS |
477 | PL_preprocess = FALSE; |
478 | PL_minus_n = FALSE; | |
479 | PL_minus_p = FALSE; | |
480 | PL_minus_l = FALSE; | |
481 | PL_minus_a = FALSE; | |
482 | PL_minus_F = FALSE; | |
483 | PL_doswitches = FALSE; | |
599cee73 | 484 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
485 | PL_doextract = FALSE; |
486 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
487 | PL_unsafe = FALSE; |
488 | ||
489 | Safefree(PL_inplace); | |
490 | PL_inplace = Nullch; | |
a7cb1f99 | 491 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
492 | |
493 | if (PL_e_script) { | |
494 | SvREFCNT_dec(PL_e_script); | |
495 | PL_e_script = Nullsv; | |
8ebc5c01 | 496 | } |
497 | ||
498 | /* magical thingies */ | |
499 | ||
7889fe52 NIS |
500 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
501 | PL_ofs_sv = Nullsv; | |
5f05dabc | 502 | |
7889fe52 NIS |
503 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
504 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 505 | |
3280af22 NIS |
506 | SvREFCNT_dec(PL_rs); /* $/ */ |
507 | PL_rs = Nullsv; | |
dc92893f | 508 | |
d33b2eba GS |
509 | PL_multiline = 0; /* $* */ |
510 | Safefree(PL_osname); /* $^O */ | |
511 | PL_osname = Nullch; | |
5f05dabc | 512 | |
3280af22 NIS |
513 | SvREFCNT_dec(PL_statname); |
514 | PL_statname = Nullsv; | |
515 | PL_statgv = Nullgv; | |
5f05dabc | 516 | |
8ebc5c01 | 517 | /* defgv, aka *_ should be taken care of elsewhere */ |
518 | ||
8ebc5c01 | 519 | /* clean up after study() */ |
3280af22 NIS |
520 | SvREFCNT_dec(PL_lastscream); |
521 | PL_lastscream = Nullsv; | |
522 | Safefree(PL_screamfirst); | |
523 | PL_screamfirst = 0; | |
524 | Safefree(PL_screamnext); | |
525 | PL_screamnext = 0; | |
8ebc5c01 | 526 | |
7d5ea4e7 GS |
527 | /* float buffer */ |
528 | Safefree(PL_efloatbuf); | |
529 | PL_efloatbuf = Nullch; | |
530 | PL_efloatsize = 0; | |
531 | ||
8ebc5c01 | 532 | /* startup and shutdown function lists */ |
3280af22 | 533 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 534 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 535 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 536 | SvREFCNT_dec(PL_checkav); |
ece599bd | 537 | SvREFCNT_dec(PL_checkav_save); |
3280af22 NIS |
538 | SvREFCNT_dec(PL_initav); |
539 | PL_beginav = Nullav; | |
5a837c8f | 540 | PL_beginav_save = Nullav; |
3280af22 | 541 | PL_endav = Nullav; |
7d30b5c4 | 542 | PL_checkav = Nullav; |
ece599bd | 543 | PL_checkav_save = Nullav; |
3280af22 | 544 | PL_initav = Nullav; |
5618dfe8 | 545 | |
8ebc5c01 | 546 | /* shortcuts just get cleared */ |
3280af22 | 547 | PL_envgv = Nullgv; |
3280af22 NIS |
548 | PL_incgv = Nullgv; |
549 | PL_hintgv = Nullgv; | |
550 | PL_errgv = Nullgv; | |
551 | PL_argvgv = Nullgv; | |
552 | PL_argvoutgv = Nullgv; | |
553 | PL_stdingv = Nullgv; | |
bf49b057 | 554 | PL_stderrgv = Nullgv; |
3280af22 NIS |
555 | PL_last_in_gv = Nullgv; |
556 | PL_replgv = Nullgv; | |
5c831c24 | 557 | PL_debstash = Nullhv; |
8ebc5c01 | 558 | |
559 | /* reset so print() ends up where we expect */ | |
560 | setdefout(Nullgv); | |
5c831c24 | 561 | |
7a1c5554 GS |
562 | SvREFCNT_dec(PL_argvout_stack); |
563 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 564 | |
5c831c24 GS |
565 | SvREFCNT_dec(PL_modglobal); |
566 | PL_modglobal = Nullhv; | |
567 | SvREFCNT_dec(PL_preambleav); | |
568 | PL_preambleav = Nullav; | |
569 | SvREFCNT_dec(PL_subname); | |
570 | PL_subname = Nullsv; | |
571 | SvREFCNT_dec(PL_linestr); | |
572 | PL_linestr = Nullsv; | |
573 | SvREFCNT_dec(PL_pidstatus); | |
574 | PL_pidstatus = Nullhv; | |
575 | SvREFCNT_dec(PL_toptarget); | |
576 | PL_toptarget = Nullsv; | |
577 | SvREFCNT_dec(PL_bodytarget); | |
578 | PL_bodytarget = Nullsv; | |
579 | PL_formtarget = Nullsv; | |
580 | ||
d33b2eba | 581 | /* free locale stuff */ |
b9582b6a | 582 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
583 | Safefree(PL_collation_name); |
584 | PL_collation_name = Nullch; | |
b9582b6a | 585 | #endif |
d33b2eba | 586 | |
b9582b6a | 587 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
588 | Safefree(PL_numeric_name); |
589 | PL_numeric_name = Nullch; | |
a453c169 | 590 | SvREFCNT_dec(PL_numeric_radix_sv); |
b9582b6a | 591 | #endif |
d33b2eba | 592 | |
5c831c24 GS |
593 | /* clear utf8 character classes */ |
594 | SvREFCNT_dec(PL_utf8_alnum); | |
595 | SvREFCNT_dec(PL_utf8_alnumc); | |
596 | SvREFCNT_dec(PL_utf8_ascii); | |
597 | SvREFCNT_dec(PL_utf8_alpha); | |
598 | SvREFCNT_dec(PL_utf8_space); | |
599 | SvREFCNT_dec(PL_utf8_cntrl); | |
600 | SvREFCNT_dec(PL_utf8_graph); | |
601 | SvREFCNT_dec(PL_utf8_digit); | |
602 | SvREFCNT_dec(PL_utf8_upper); | |
603 | SvREFCNT_dec(PL_utf8_lower); | |
604 | SvREFCNT_dec(PL_utf8_print); | |
605 | SvREFCNT_dec(PL_utf8_punct); | |
606 | SvREFCNT_dec(PL_utf8_xdigit); | |
607 | SvREFCNT_dec(PL_utf8_mark); | |
608 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 609 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 610 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 611 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
612 | SvREFCNT_dec(PL_utf8_idstart); |
613 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
614 | PL_utf8_alnum = Nullsv; |
615 | PL_utf8_alnumc = Nullsv; | |
616 | PL_utf8_ascii = Nullsv; | |
617 | PL_utf8_alpha = Nullsv; | |
618 | PL_utf8_space = Nullsv; | |
619 | PL_utf8_cntrl = Nullsv; | |
620 | PL_utf8_graph = Nullsv; | |
621 | PL_utf8_digit = Nullsv; | |
622 | PL_utf8_upper = Nullsv; | |
623 | PL_utf8_lower = Nullsv; | |
624 | PL_utf8_print = Nullsv; | |
625 | PL_utf8_punct = Nullsv; | |
626 | PL_utf8_xdigit = Nullsv; | |
627 | PL_utf8_mark = Nullsv; | |
628 | PL_utf8_toupper = Nullsv; | |
629 | PL_utf8_totitle = Nullsv; | |
630 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 631 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
632 | PL_utf8_idstart = Nullsv; |
633 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 634 | |
971a9dd3 GS |
635 | if (!specialWARN(PL_compiling.cop_warnings)) |
636 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 637 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
638 | if (!specialCopIO(PL_compiling.cop_io)) |
639 | SvREFCNT_dec(PL_compiling.cop_io); | |
640 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
641 | CopFILE_free(&PL_compiling); |
642 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 643 | |
a0d0e21e | 644 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 645 | |
3280af22 NIS |
646 | hv = PL_defstash; |
647 | PL_defstash = 0; | |
a0d0e21e | 648 | SvREFCNT_dec(hv); |
5c831c24 GS |
649 | SvREFCNT_dec(PL_curstname); |
650 | PL_curstname = Nullsv; | |
a0d0e21e | 651 | |
5a844595 GS |
652 | /* clear queued errors */ |
653 | SvREFCNT_dec(PL_errors); | |
654 | PL_errors = Nullsv; | |
655 | ||
a0d0e21e | 656 | FREETMPS; |
0453d815 | 657 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 658 | if (PL_scopestack_ix != 0) |
9014280d | 659 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 660 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
661 | (long)PL_scopestack_ix); |
662 | if (PL_savestack_ix != 0) | |
9014280d | 663 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 664 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
665 | (long)PL_savestack_ix); |
666 | if (PL_tmps_floor != -1) | |
9014280d | 667 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 668 | (long)PL_tmps_floor + 1); |
a0d0e21e | 669 | if (cxstack_ix != -1) |
9014280d | 670 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 671 | (long)cxstack_ix + 1); |
a0d0e21e | 672 | } |
8990e307 LW |
673 | |
674 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 675 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 676 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
677 | |
678 | /* the 2 is for PL_fdpid and PL_strtab */ | |
679 | while (PL_sv_count > 2 && sv_clean_all()) | |
680 | ; | |
681 | ||
d33b2eba GS |
682 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
683 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
684 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
685 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 686 | |
d4777f27 GS |
687 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
688 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
689 | PL_fdpid = Nullav; |
690 | ||
6c644e78 GS |
691 | #ifdef HAVE_INTERP_INTERN |
692 | sys_intern_clear(); | |
693 | #endif | |
694 | ||
6e72f9df | 695 | /* Destruct the global string table. */ |
696 | { | |
697 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
698 | * so that sv_free() won't fail on them. | |
699 | */ | |
700 | I32 riter; | |
701 | I32 max; | |
702 | HE *hent; | |
703 | HE **array; | |
704 | ||
705 | riter = 0; | |
3280af22 NIS |
706 | max = HvMAX(PL_strtab); |
707 | array = HvARRAY(PL_strtab); | |
6e72f9df | 708 | hent = array[0]; |
709 | for (;;) { | |
0453d815 | 710 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
9014280d | 711 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 712 | "Unbalanced string table refcount: (%d) for \"%s\"", |
6e72f9df | 713 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
714 | HeVAL(hent) = Nullsv; | |
715 | hent = HeNEXT(hent); | |
716 | } | |
717 | if (!hent) { | |
718 | if (++riter > max) | |
719 | break; | |
720 | hent = array[riter]; | |
721 | } | |
722 | } | |
723 | } | |
3280af22 | 724 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 725 | |
e652bb2f | 726 | #ifdef USE_ITHREADS |
a0739874 DM |
727 | /* free the pointer table used for cloning */ |
728 | ptr_table_free(PL_ptr_table); | |
53186e96 | 729 | #endif |
a0739874 | 730 | |
d33b2eba GS |
731 | /* free special SVs */ |
732 | ||
733 | SvREFCNT(&PL_sv_yes) = 0; | |
734 | sv_clear(&PL_sv_yes); | |
735 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 736 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
737 | |
738 | SvREFCNT(&PL_sv_no) = 0; | |
739 | sv_clear(&PL_sv_no); | |
740 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 741 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 742 | |
9f375a43 DM |
743 | { |
744 | int i; | |
745 | for (i=0; i<=2; i++) { | |
746 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
747 | sv_clear(PERL_DEBUG_PAD(i)); | |
748 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
749 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
750 | } | |
751 | } | |
752 | ||
0453d815 | 753 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 754 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 755 | |
eba0f806 DM |
756 | #ifdef DEBUG_LEAKING_SCALARS |
757 | if (PL_sv_count != 0) { | |
758 | SV* sva; | |
759 | SV* sv; | |
760 | register SV* svend; | |
761 | ||
762 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
763 | svend = &sva[SvREFCNT(sva)]; | |
764 | for (sv = sva + 1; sv < svend; ++sv) { | |
765 | if (SvTYPE(sv) != SVTYPEMASK) { | |
766 | PerlIO_printf(Perl_debug_log, "leaked: 0x%p\n", sv); | |
767 | } | |
768 | } | |
769 | } | |
770 | } | |
771 | #endif | |
772 | ||
773 | ||
56a2bab7 | 774 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
775 | /* No more IO - including error messages ! */ |
776 | PerlIO_cleanup(aTHX); | |
777 | #endif | |
778 | ||
9f4bd222 NIS |
779 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
780 | as currently layers use it rather than Nullsv as a marker | |
781 | for no arg - and will try and SvREFCNT_dec it. | |
782 | */ | |
783 | SvREFCNT(&PL_sv_undef) = 0; | |
784 | SvREADONLY_off(&PL_sv_undef); | |
785 | ||
3280af22 | 786 | Safefree(PL_origfilename); |
3280af22 | 787 | Safefree(PL_reg_start_tmp); |
5c5e4c24 IZ |
788 | if (PL_reg_curpm) |
789 | Safefree(PL_reg_curpm); | |
82ba1be6 | 790 | Safefree(PL_reg_poscache); |
dd28f7bb | 791 | free_tied_hv_pool(); |
3280af22 | 792 | Safefree(PL_op_mask); |
cf36064f GS |
793 | Safefree(PL_psig_ptr); |
794 | Safefree(PL_psig_name); | |
2c2666fc | 795 | Safefree(PL_bitcount); |
ce08f86c | 796 | Safefree(PL_psig_pend); |
6e72f9df | 797 | nuke_stacks(); |
3280af22 | 798 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 799 | |
a0d0e21e | 800 | DEBUG_P(debprofdump()); |
d33b2eba | 801 | |
e5dd39fc | 802 | #ifdef USE_REENTRANT_API |
10bc17b6 | 803 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
804 | #endif |
805 | ||
612f20c3 GS |
806 | sv_free_arenas(); |
807 | ||
fc36a67e | 808 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
809 | ||
3280af22 | 810 | if (PL_mess_sv) { |
9c63abab GS |
811 | /* it could have accumulated taint magic */ |
812 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
813 | MAGIC* mg; | |
814 | MAGIC* moremagic; | |
815 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
816 | moremagic = mg->mg_moremagic; | |
14befaf4 DM |
817 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global |
818 | && mg->mg_len >= 0) | |
9c63abab GS |
819 | Safefree(mg->mg_ptr); |
820 | Safefree(mg); | |
821 | } | |
822 | } | |
fc36a67e | 823 | /* we know that type >= SVt_PV */ |
155aba94 | 824 | (void)SvOOK_off(PL_mess_sv); |
3280af22 NIS |
825 | Safefree(SvPVX(PL_mess_sv)); |
826 | Safefree(SvANY(PL_mess_sv)); | |
827 | Safefree(PL_mess_sv); | |
828 | PL_mess_sv = Nullsv; | |
fc36a67e | 829 | } |
31d77e54 | 830 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
831 | } |
832 | ||
954c1994 GS |
833 | /* |
834 | =for apidoc perl_free | |
835 | ||
836 | Releases a Perl interpreter. See L<perlembed>. | |
837 | ||
838 | =cut | |
839 | */ | |
840 | ||
79072805 | 841 | void |
0cb96387 | 842 | perl_free(pTHXx) |
79072805 | 843 | { |
acfe0abc | 844 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 845 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
846 | # ifdef NETWARE |
847 | void *host = nw_internal_host; | |
848 | # else | |
849 | void *host = w32_internal_host; | |
850 | # endif | |
ce3e5b80 | 851 | PerlMem_free(aTHXx); |
acfe0abc | 852 | # ifdef NETWARE |
011f1a1a | 853 | nw_delete_internal_host(host); |
acfe0abc GS |
854 | # else |
855 | win32_delete_internal_host(host); | |
856 | # endif | |
1c0ca838 GS |
857 | # else |
858 | PerlMem_free(aTHXx); | |
859 | # endif | |
acfe0abc GS |
860 | #else |
861 | PerlMem_free(aTHXx); | |
76e3520e | 862 | #endif |
79072805 LW |
863 | } |
864 | ||
4b556e6c | 865 | void |
864dbfa3 | 866 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 867 | { |
3280af22 NIS |
868 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
869 | PL_exitlist[PL_exitlistlen].fn = fn; | |
870 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
871 | ++PL_exitlistlen; | |
4b556e6c JD |
872 | } |
873 | ||
954c1994 GS |
874 | /* |
875 | =for apidoc perl_parse | |
876 | ||
877 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
878 | ||
879 | =cut | |
880 | */ | |
881 | ||
79072805 | 882 | int |
0cb96387 | 883 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 884 | { |
6224f72b | 885 | I32 oldscope; |
6224f72b | 886 | int ret; |
db36c5a1 | 887 | dJMPENV; |
4d1ff10f | 888 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
889 | dTHX; |
890 | #endif | |
8d063cd8 | 891 | |
a687059c LW |
892 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
893 | #ifdef IAMSUID | |
894 | #undef IAMSUID | |
cea2e8a9 | 895 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
896 | setuid perl scripts securely.\n"); |
897 | #endif | |
898 | #endif | |
899 | ||
b0891165 JH |
900 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
901 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
902 | * This MUST be done before any hash stores or fetches take place. */ | |
903 | { | |
904 | bool earlytaint = doing_taint(argc, argv, env); | |
905 | char *s = NULL; | |
906 | ||
907 | if (!earlytaint) | |
908 | s = PerlEnv_getenv("PERL_HASH_SEED"); | |
909 | if (s) | |
910 | while (isSPACE(*s)) s++; | |
911 | if (s && isDIGIT(*s)) | |
912 | PL_hash_seed = (UV)Atoul(s); | |
913 | #ifndef USE_HASH_SEED_EXPLICIT | |
914 | else { | |
915 | /* Compute a random seed */ | |
916 | (void)seedDrand01((Rand_seed_t)seed()); | |
917 | PL_srand_called = TRUE; | |
918 | PL_hash_seed = (UV)(Drand01() * (NV)UV_MAX); | |
919 | #if RANDBITS < (UVSIZE * 8) | |
822df561 JH |
920 | /* Since there are not enough randbits to to reach all |
921 | * the bits of a UV, the low bits might need extra | |
922 | * help. Sum in another random number that will | |
923 | * fill in the low bits. */ | |
924 | PL_hash_seed += | |
925 | (UV)(Drand01() * (NV)((1 << ((UVSIZE * 8 - RANDBITS))) - 1)); | |
b0891165 JH |
926 | #endif /* RANDBITS < (UVSIZE * 8) */ |
927 | } | |
928 | #endif /* USE_HASH_SEED_EXPLICIT */ | |
73613073 | 929 | if ((s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"))) |
b0891165 JH |
930 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", |
931 | PL_hash_seed); | |
932 | } | |
933 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
934 | ||
3280af22 | 935 | PL_origargc = argc; |
e2975953 | 936 | PL_origargv = argv; |
a0d0e21e | 937 | |
54bfe034 | 938 | { |
3cb9023d JH |
939 | /* Set PL_origalen be the sum of the contiguous argv[] |
940 | * elements plus the size of the env in case that it is | |
941 | * contiguous with the argv[]. This is used in mg.c:mg_set() | |
942 | * as the maximum modifiable length of $0. In the worst case | |
943 | * the area we are able to modify is limited to the size of | |
43c32782 | 944 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d JH |
945 | * --jhi */ |
946 | char *s; | |
54bfe034 | 947 | int i; |
7d8e7db3 JH |
948 | UV mask = |
949 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); | |
43c32782 JH |
950 | /* Do the mask check only if the args seem like aligned. */ |
951 | UV aligned = | |
952 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); | |
953 | ||
954 | /* See if all the arguments are contiguous in memory. Note | |
955 | * that 'contiguous' is a loose term because some platforms | |
956 | * align the argv[] and the envp[]. If the arguments look | |
957 | * like non-aligned, assume that they are 'strictly' or | |
958 | * 'traditionally' contiguous. If the arguments look like | |
959 | * aligned, we just check that they are within aligned | |
960 | * PTRSIZE bytes. As long as no system has something bizarre | |
961 | * like the argv[] interleaved with some other data, we are | |
962 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
3cb9023d JH |
963 | s = PL_origargv[0]; |
964 | while (*s) s++; | |
54bfe034 | 965 | for (i = 1; i < PL_origargc; i++) { |
43c32782 JH |
966 | if ((PL_origargv[i] == s + 1 |
967 | #ifdef OS2 | |
968 | || PL_origargv[i] == s + 2 | |
969 | #endif | |
970 | ) | |
971 | || | |
972 | (aligned && | |
973 | (PL_origargv[i] > s && | |
974 | PL_origargv[i] <= | |
975 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
976 | ) | |
977 | { | |
3cb9023d JH |
978 | s = PL_origargv[i]; |
979 | while (*s) s++; | |
54bfe034 JH |
980 | } |
981 | else | |
982 | break; | |
983 | } | |
3cb9023d | 984 | /* Can we grab env area too to be used as the area for $0? */ |
43c32782 JH |
985 | if (PL_origenviron) { |
986 | if ((PL_origenviron[0] == s + 1 | |
987 | #ifdef OS2 | |
988 | || (PL_origenviron[0] == s + 9 && (s += 8)) | |
989 | #endif | |
990 | ) | |
991 | || | |
992 | (aligned && | |
993 | (PL_origenviron[0] > s && | |
994 | PL_origenviron[0] <= | |
995 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
996 | ) | |
997 | { | |
998 | #ifndef OS2 | |
999 | s = PL_origenviron[0]; | |
1000 | while (*s) s++; | |
1001 | #endif | |
1002 | my_setenv("NoNe SuCh", Nullch); | |
1003 | /* Force copy of environment. */ | |
1004 | for (i = 1; PL_origenviron[i]; i++) { | |
1005 | if (PL_origenviron[i] == s + 1 | |
1006 | || | |
1007 | (aligned && | |
1008 | (PL_origenviron[i] > s && | |
1009 | PL_origenviron[i] <= | |
1010 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1011 | ) | |
1012 | { | |
1013 | s = PL_origenviron[i]; | |
1014 | while (*s) s++; | |
1015 | } | |
1016 | else | |
1017 | break; | |
54bfe034 | 1018 | } |
43c32782 | 1019 | } |
54bfe034 JH |
1020 | } |
1021 | PL_origalen = s - PL_origargv[0]; | |
1022 | } | |
1023 | ||
3280af22 | 1024 | if (PL_do_undump) { |
a0d0e21e LW |
1025 | |
1026 | /* Come here if running an undumped a.out. */ | |
1027 | ||
3280af22 NIS |
1028 | PL_origfilename = savepv(argv[0]); |
1029 | PL_do_undump = FALSE; | |
a0d0e21e | 1030 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1031 | init_ids(); |
a0d0e21e LW |
1032 | init_postdump_symbols(argc,argv,env); |
1033 | return 0; | |
1034 | } | |
1035 | ||
3280af22 | 1036 | if (PL_main_root) { |
3280af22 NIS |
1037 | op_free(PL_main_root); |
1038 | PL_main_root = Nullop; | |
ff0cee69 | 1039 | } |
3280af22 NIS |
1040 | PL_main_start = Nullop; |
1041 | SvREFCNT_dec(PL_main_cv); | |
1042 | PL_main_cv = Nullcv; | |
79072805 | 1043 | |
3280af22 NIS |
1044 | time(&PL_basetime); |
1045 | oldscope = PL_scopestack_ix; | |
599cee73 | 1046 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1047 | |
14dd3ad8 GS |
1048 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1049 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
1050 | #else | |
1051 | JMPENV_PUSH(ret); | |
1052 | #endif | |
6224f72b | 1053 | switch (ret) { |
312caa8e | 1054 | case 0: |
14dd3ad8 GS |
1055 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1056 | parse_body(env,xsinit); | |
1057 | #endif | |
7d30b5c4 GS |
1058 | if (PL_checkav) |
1059 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1060 | ret = 0; |
1061 | break; | |
6224f72b GS |
1062 | case 1: |
1063 | STATUS_ALL_FAILURE; | |
1064 | /* FALL THROUGH */ | |
1065 | case 2: | |
1066 | /* my_exit() was called */ | |
3280af22 | 1067 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1068 | LEAVE; |
1069 | FREETMPS; | |
3280af22 | 1070 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
1071 | if (PL_checkav) |
1072 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1073 | ret = STATUS_NATIVE_EXPORT; |
1074 | break; | |
6224f72b | 1075 | case 3: |
bf49b057 | 1076 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1077 | ret = 1; |
1078 | break; | |
6224f72b | 1079 | } |
14dd3ad8 GS |
1080 | JMPENV_POP; |
1081 | return ret; | |
1082 | } | |
1083 | ||
1084 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
1085 | STATIC void * | |
1086 | S_vparse_body(pTHX_ va_list args) | |
1087 | { | |
1088 | char **env = va_arg(args, char**); | |
1089 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
1090 | ||
1091 | return parse_body(env, xsinit); | |
312caa8e | 1092 | } |
14dd3ad8 | 1093 | #endif |
312caa8e CS |
1094 | |
1095 | STATIC void * | |
14dd3ad8 | 1096 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1097 | { |
312caa8e CS |
1098 | int argc = PL_origargc; |
1099 | char **argv = PL_origargv; | |
312caa8e CS |
1100 | char *scriptname = NULL; |
1101 | int fdscript = -1; | |
1102 | VOL bool dosearch = FALSE; | |
1103 | char *validarg = ""; | |
312caa8e CS |
1104 | register SV *sv; |
1105 | register char *s; | |
cf756827 | 1106 | char *cddir = Nullch; |
312caa8e | 1107 | |
3280af22 | 1108 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 1109 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
1110 | SAVEFREESV(sv); |
1111 | init_main_stash(); | |
54310121 | 1112 | |
6224f72b GS |
1113 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1114 | if (argv[0][0] != '-' || !argv[0][1]) | |
1115 | break; | |
1116 | #ifdef DOSUID | |
1117 | if (*validarg) | |
1118 | validarg = " PHOOEY "; | |
1119 | else | |
1120 | validarg = argv[0]; | |
13281fa4 | 1121 | #endif |
6224f72b GS |
1122 | s = argv[0]+1; |
1123 | reswitch: | |
1124 | switch (*s) { | |
729a02f2 | 1125 | case 'C': |
1d5472a9 GS |
1126 | #ifndef PERL_STRICT_CR |
1127 | case '\r': | |
1128 | #endif | |
6224f72b GS |
1129 | case ' ': |
1130 | case '0': | |
1131 | case 'F': | |
1132 | case 'a': | |
1133 | case 'c': | |
1134 | case 'd': | |
1135 | case 'D': | |
1136 | case 'h': | |
1137 | case 'i': | |
1138 | case 'l': | |
1139 | case 'M': | |
1140 | case 'm': | |
1141 | case 'n': | |
1142 | case 'p': | |
1143 | case 's': | |
1144 | case 'u': | |
1145 | case 'U': | |
1146 | case 'v': | |
599cee73 PM |
1147 | case 'W': |
1148 | case 'X': | |
6224f72b | 1149 | case 'w': |
06492da6 | 1150 | case 'A': |
155aba94 | 1151 | if ((s = moreswitches(s))) |
6224f72b GS |
1152 | goto reswitch; |
1153 | break; | |
33b78306 | 1154 | |
1dbad523 | 1155 | case 't': |
22f7c9c9 | 1156 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1157 | if( !PL_tainting ) { |
1158 | PL_taint_warn = TRUE; | |
1159 | PL_tainting = TRUE; | |
1160 | } | |
1161 | s++; | |
1162 | goto reswitch; | |
6224f72b | 1163 | case 'T': |
22f7c9c9 | 1164 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1165 | PL_tainting = TRUE; |
317ea90d | 1166 | PL_taint_warn = FALSE; |
6224f72b GS |
1167 | s++; |
1168 | goto reswitch; | |
f86702cc | 1169 | |
6224f72b | 1170 | case 'e': |
bf4acbe4 GS |
1171 | #ifdef MACOS_TRADITIONAL |
1172 | /* ignore -e for Dev:Pseudo argument */ | |
1173 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1174 | break; |
bf4acbe4 | 1175 | #endif |
3280af22 | 1176 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 1177 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 1178 | if (!PL_e_script) { |
79cb57f6 | 1179 | PL_e_script = newSVpvn("",0); |
0cb96387 | 1180 | filter_add(read_e_script, NULL); |
6224f72b GS |
1181 | } |
1182 | if (*++s) | |
3280af22 | 1183 | sv_catpv(PL_e_script, s); |
6224f72b | 1184 | else if (argv[1]) { |
3280af22 | 1185 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1186 | argc--,argv++; |
1187 | } | |
1188 | else | |
cea2e8a9 | 1189 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 1190 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 1191 | break; |
afe37c7d | 1192 | |
6224f72b GS |
1193 | case 'I': /* -I handled both here and in moreswitches() */ |
1194 | forbid_setid("-I"); | |
1195 | if (!*++s && (s=argv[1]) != Nullch) { | |
1196 | argc--,argv++; | |
1197 | } | |
6224f72b | 1198 | if (s && *s) { |
0df16ed7 GS |
1199 | char *p; |
1200 | STRLEN len = strlen(s); | |
1201 | p = savepvn(s, len); | |
574c798a | 1202 | incpush(p, TRUE, TRUE, FALSE); |
0df16ed7 GS |
1203 | sv_catpvn(sv, "-I", 2); |
1204 | sv_catpvn(sv, p, len); | |
1205 | sv_catpvn(sv, " ", 1); | |
6224f72b | 1206 | Safefree(p); |
0df16ed7 GS |
1207 | } |
1208 | else | |
a67e862a | 1209 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1210 | break; |
1211 | case 'P': | |
1212 | forbid_setid("-P"); | |
3280af22 | 1213 | PL_preprocess = TRUE; |
6224f72b GS |
1214 | s++; |
1215 | goto reswitch; | |
1216 | case 'S': | |
1217 | forbid_setid("-S"); | |
1218 | dosearch = TRUE; | |
1219 | s++; | |
1220 | goto reswitch; | |
1221 | case 'V': | |
3280af22 NIS |
1222 | if (!PL_preambleav) |
1223 | PL_preambleav = newAV(); | |
1224 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1225 | if (*++s != ':') { |
3280af22 | 1226 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1227 | #ifdef VMS |
6b88bc9c | 1228 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1229 | #else |
3280af22 | 1230 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1231 | #endif |
3280af22 | 1232 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1233 | # ifdef DEBUGGING |
3280af22 | 1234 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1235 | # endif |
6224f72b | 1236 | # ifdef MULTIPLICITY |
8f872242 | 1237 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1238 | # endif |
4d1ff10f AB |
1239 | # ifdef USE_5005THREADS |
1240 | sv_catpv(PL_Sv," USE_5005THREADS"); | |
b363f7ed | 1241 | # endif |
ac5e8965 JH |
1242 | # ifdef USE_ITHREADS |
1243 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1244 | # endif | |
10cc9d2a JH |
1245 | # ifdef USE_64_BIT_INT |
1246 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1247 | # endif | |
1248 | # ifdef USE_64_BIT_ALL | |
1249 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1250 | # endif |
1251 | # ifdef USE_LONG_DOUBLE | |
1252 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1253 | # endif | |
53430762 JH |
1254 | # ifdef USE_LARGE_FILES |
1255 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1256 | # endif | |
ac5e8965 JH |
1257 | # ifdef USE_SOCKS |
1258 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1259 | # endif | |
b363f7ed GS |
1260 | # ifdef PERL_IMPLICIT_CONTEXT |
1261 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1262 | # endif | |
1263 | # ifdef PERL_IMPLICIT_SYS | |
1264 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1265 | # endif | |
3280af22 | 1266 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1267 | |
6224f72b GS |
1268 | #if defined(LOCAL_PATCH_COUNT) |
1269 | if (LOCAL_PATCH_COUNT > 0) { | |
1270 | int i; | |
3280af22 | 1271 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1272 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1273 | if (PL_localpatches[i]) |
cea2e8a9 | 1274 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1275 | } |
1276 | } | |
1277 | #endif | |
cea2e8a9 | 1278 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1279 | #ifdef __DATE__ |
1280 | # ifdef __TIME__ | |
cea2e8a9 | 1281 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1282 | # else |
cea2e8a9 | 1283 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1284 | # endif |
1285 | #endif | |
3280af22 | 1286 | sv_catpv(PL_Sv, "; \ |
6224f72b | 1287 | $\"=\"\\n \"; \ |
69fcd688 JH |
1288 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; "); |
1289 | #ifdef __CYGWIN__ | |
1290 | sv_catpv(PL_Sv,"\ | |
1291 | push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); | |
1292 | #endif | |
1293 | sv_catpv(PL_Sv, "\ | |
6224f72b GS |
1294 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
1295 | print \" \\@INC:\\n @INC\\n\";"); | |
1296 | } | |
1297 | else { | |
3280af22 NIS |
1298 | PL_Sv = newSVpv("config_vars(qw(",0); |
1299 | sv_catpv(PL_Sv, ++s); | |
1300 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1301 | s += strlen(s); |
1302 | } | |
3280af22 | 1303 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1304 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1305 | goto reswitch; | |
1306 | case 'x': | |
3280af22 | 1307 | PL_doextract = TRUE; |
6224f72b GS |
1308 | s++; |
1309 | if (*s) | |
f4c556ac | 1310 | cddir = s; |
6224f72b GS |
1311 | break; |
1312 | case 0: | |
1313 | break; | |
1314 | case '-': | |
1315 | if (!*++s || isSPACE(*s)) { | |
1316 | argc--,argv++; | |
1317 | goto switch_end; | |
1318 | } | |
1319 | /* catch use of gnu style long options */ | |
1320 | if (strEQ(s, "version")) { | |
1321 | s = "v"; | |
1322 | goto reswitch; | |
1323 | } | |
1324 | if (strEQ(s, "help")) { | |
1325 | s = "h"; | |
1326 | goto reswitch; | |
1327 | } | |
1328 | s--; | |
1329 | /* FALL THROUGH */ | |
1330 | default: | |
cea2e8a9 | 1331 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1332 | } |
1333 | } | |
6224f72b | 1334 | switch_end: |
7f9e821f | 1335 | sv_setsv(get_sv("/", TRUE), PL_rs); |
54310121 | 1336 | |
f675dbe5 CB |
1337 | if ( |
1338 | #ifndef SECURE_INTERNAL_GETENV | |
1339 | !PL_tainting && | |
1340 | #endif | |
cf756827 | 1341 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1342 | { |
cf756827 | 1343 | char *popt = s; |
74288ac8 GS |
1344 | while (isSPACE(*s)) |
1345 | s++; | |
317ea90d | 1346 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1347 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1348 | PL_tainting = TRUE; |
317ea90d MS |
1349 | PL_taint_warn = FALSE; |
1350 | } | |
74288ac8 | 1351 | else { |
cf756827 | 1352 | char *popt_copy = Nullch; |
74288ac8 | 1353 | while (s && *s) { |
4ea8f8fb | 1354 | char *d; |
74288ac8 GS |
1355 | while (isSPACE(*s)) |
1356 | s++; | |
1357 | if (*s == '-') { | |
1358 | s++; | |
1359 | if (isSPACE(*s)) | |
1360 | continue; | |
1361 | } | |
4ea8f8fb | 1362 | d = s; |
74288ac8 GS |
1363 | if (!*s) |
1364 | break; | |
06492da6 | 1365 | if (!strchr("DIMUdmtwA", *s)) |
cea2e8a9 | 1366 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1367 | while (++s && *s) { |
1368 | if (isSPACE(*s)) { | |
cf756827 GS |
1369 | if (!popt_copy) { |
1370 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1371 | s = popt_copy + (s - popt); | |
1372 | d = popt_copy + (d - popt); | |
1373 | } | |
4ea8f8fb MS |
1374 | *s++ = '\0'; |
1375 | break; | |
1376 | } | |
1377 | } | |
1c4db469 | 1378 | if (*d == 't') { |
317ea90d MS |
1379 | if( !PL_tainting ) { |
1380 | PL_taint_warn = TRUE; | |
1381 | PL_tainting = TRUE; | |
1382 | } | |
1c4db469 RGS |
1383 | } else { |
1384 | moreswitches(d); | |
1385 | } | |
6224f72b | 1386 | } |
6224f72b GS |
1387 | } |
1388 | } | |
a0d0e21e | 1389 | |
317ea90d MS |
1390 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
1391 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
1392 | } | |
1393 | ||
6224f72b GS |
1394 | if (!scriptname) |
1395 | scriptname = argv[0]; | |
3280af22 | 1396 | if (PL_e_script) { |
6224f72b GS |
1397 | argc++,argv--; |
1398 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1399 | } | |
1400 | else if (scriptname == Nullch) { | |
1401 | #ifdef MSDOS | |
1402 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1403 | moreswitches("h"); | |
1404 | #endif | |
1405 | scriptname = "-"; | |
1406 | } | |
1407 | ||
1408 | init_perllib(); | |
1409 | ||
1410 | open_script(scriptname,dosearch,sv,&fdscript); | |
1411 | ||
1412 | validate_suid(validarg, scriptname,fdscript); | |
1413 | ||
64ca3a65 | 1414 | #ifndef PERL_MICRO |
0b5b802d GS |
1415 | #if defined(SIGCHLD) || defined(SIGCLD) |
1416 | { | |
1417 | #ifndef SIGCHLD | |
1418 | # define SIGCHLD SIGCLD | |
1419 | #endif | |
1420 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1421 | if (sigstate == SIG_IGN) { | |
1422 | if (ckWARN(WARN_SIGNAL)) | |
9014280d | 1423 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
1424 | "Can't ignore signal CHLD, forcing to default"); |
1425 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1426 | } | |
1427 | } | |
1428 | #endif | |
64ca3a65 | 1429 | #endif |
0b5b802d | 1430 | |
bf4acbe4 GS |
1431 | #ifdef MACOS_TRADITIONAL |
1432 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
1433 | #else | |
f4c556ac | 1434 | if (PL_doextract) { |
bf4acbe4 | 1435 | #endif |
6224f72b | 1436 | find_beginning(); |
f4c556ac GS |
1437 | if (cddir && PerlDir_chdir(cddir) < 0) |
1438 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1439 | ||
1440 | } | |
6224f72b | 1441 | |
3280af22 NIS |
1442 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1443 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1444 | CvUNIQUE_on(PL_compcv); | |
1445 | ||
dd2155a4 | 1446 | CvPADLIST(PL_compcv) = pad_new(0); |
4d1ff10f | 1447 | #ifdef USE_5005THREADS |
533c011a NIS |
1448 | CvOWNER(PL_compcv) = 0; |
1449 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1450 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
4d1ff10f | 1451 | #endif /* USE_5005THREADS */ |
6224f72b | 1452 | |
0c4f7ff0 | 1453 | boot_core_PerlIO(); |
6224f72b | 1454 | boot_core_UNIVERSAL(); |
9a34ef1d | 1455 | #ifndef PERL_MICRO |
09bef843 | 1456 | boot_core_xsutils(); |
9a34ef1d | 1457 | #endif |
6224f72b GS |
1458 | |
1459 | if (xsinit) | |
acfe0abc | 1460 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 1461 | #ifndef PERL_MICRO |
ed79a026 | 1462 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) |
c5be433b | 1463 | init_os_extras(); |
6224f72b | 1464 | #endif |
64ca3a65 | 1465 | #endif |
6224f72b | 1466 | |
29209bc5 | 1467 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
1468 | # ifdef HAS_SOCKS5_INIT |
1469 | socks5_init(argv[0]); | |
1470 | # else | |
29209bc5 | 1471 | SOCKSinit(argv[0]); |
1b9c9cf5 | 1472 | # endif |
ac27b0f5 | 1473 | #endif |
29209bc5 | 1474 | |
6224f72b GS |
1475 | init_predump_symbols(); |
1476 | /* init_postdump_symbols not currently designed to be called */ | |
1477 | /* more than once (ENV isn't cleared first, for example) */ | |
1478 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1479 | if (!PL_do_undump) |
6224f72b GS |
1480 | init_postdump_symbols(argc,argv,env); |
1481 | ||
a05d7ebb JH |
1482 | /* PL_unicode is turned on by -C or by $ENV{PERL_UNICODE}. |
1483 | * PL_utf8locale is conditionally turned on by | |
085a54d9 | 1484 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 1485 | * look like the user wants to use UTF-8. */ |
06e66572 JH |
1486 | if (PL_unicode) { |
1487 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 1488 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
1489 | IO* io; |
1490 | PerlIO* fp; | |
1491 | SV* sv; | |
1492 | ||
a05d7ebb | 1493 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 1494 | * and the default open disciplines. */ |
a05d7ebb JH |
1495 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
1496 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
1497 | (fp = IoIFP(io))) | |
1498 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1499 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
1500 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
1501 | (fp = IoOFP(io))) | |
1502 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1503 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
1504 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
1505 | (fp = IoOFP(io))) | |
1506 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1507 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
1508 | (sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) { | |
1509 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; | |
1510 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
1511 | if (in) { | |
1512 | if (out) | |
1513 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
1514 | else | |
1515 | sv_setpvn(sv, ":utf8\0", 6); | |
1516 | } | |
1517 | else if (out) | |
1518 | sv_setpvn(sv, "\0:utf8", 6); | |
1519 | SvSETMAGIC(sv); | |
1520 | } | |
b310b053 JH |
1521 | } |
1522 | } | |
1523 | ||
4ffa73a3 JH |
1524 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
1525 | if (strEQ(s, "unsafe")) | |
1526 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
1527 | else if (strEQ(s, "safe")) | |
1528 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
1529 | else | |
1530 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
1531 | } | |
1532 | ||
6224f72b GS |
1533 | init_lexer(); |
1534 | ||
1535 | /* now parse the script */ | |
1536 | ||
93189314 | 1537 | SETERRNO(0,SS_NORMAL); |
3280af22 | 1538 | PL_error_count = 0; |
bf4acbe4 GS |
1539 | #ifdef MACOS_TRADITIONAL |
1540 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
1541 | if (PL_minus_c) | |
1542 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
1543 | else { | |
1544 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
1545 | MacPerl_MPWFileName(PL_origfilename)); | |
1546 | } | |
1547 | } | |
1548 | #else | |
3280af22 NIS |
1549 | if (yyparse() || PL_error_count) { |
1550 | if (PL_minus_c) | |
cea2e8a9 | 1551 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1552 | else { |
cea2e8a9 | 1553 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1554 | PL_origfilename); |
6224f72b GS |
1555 | } |
1556 | } | |
bf4acbe4 | 1557 | #endif |
57843af0 | 1558 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1559 | PL_curstash = PL_defstash; |
1560 | PL_preprocess = FALSE; | |
1561 | if (PL_e_script) { | |
1562 | SvREFCNT_dec(PL_e_script); | |
1563 | PL_e_script = Nullsv; | |
6224f72b GS |
1564 | } |
1565 | ||
3280af22 | 1566 | if (PL_do_undump) |
6224f72b GS |
1567 | my_unexec(); |
1568 | ||
57843af0 GS |
1569 | if (isWARN_ONCE) { |
1570 | SAVECOPFILE(PL_curcop); | |
1571 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1572 | gv_check(PL_defstash); |
57843af0 | 1573 | } |
6224f72b GS |
1574 | |
1575 | LEAVE; | |
1576 | FREETMPS; | |
1577 | ||
1578 | #ifdef MYMALLOC | |
1579 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1580 | dump_mstats("after compilation:"); | |
1581 | #endif | |
1582 | ||
1583 | ENTER; | |
3280af22 | 1584 | PL_restartop = 0; |
312caa8e | 1585 | return NULL; |
6224f72b GS |
1586 | } |
1587 | ||
954c1994 GS |
1588 | /* |
1589 | =for apidoc perl_run | |
1590 | ||
1591 | Tells a Perl interpreter to run. See L<perlembed>. | |
1592 | ||
1593 | =cut | |
1594 | */ | |
1595 | ||
6224f72b | 1596 | int |
0cb96387 | 1597 | perl_run(pTHXx) |
6224f72b | 1598 | { |
6224f72b | 1599 | I32 oldscope; |
14dd3ad8 | 1600 | int ret = 0; |
db36c5a1 | 1601 | dJMPENV; |
4d1ff10f | 1602 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
1603 | dTHX; |
1604 | #endif | |
6224f72b | 1605 | |
3280af22 | 1606 | oldscope = PL_scopestack_ix; |
96e176bf CL |
1607 | #ifdef VMS |
1608 | VMSISH_HUSHED = 0; | |
1609 | #endif | |
6224f72b | 1610 | |
14dd3ad8 | 1611 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1612 | redo_body: |
14dd3ad8 GS |
1613 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1614 | #else | |
1615 | JMPENV_PUSH(ret); | |
1616 | #endif | |
6224f72b GS |
1617 | switch (ret) { |
1618 | case 1: | |
1619 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1620 | goto redo_body; |
14dd3ad8 GS |
1621 | case 0: /* normal completion */ |
1622 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1623 | redo_body: | |
1624 | run_body(oldscope); | |
1625 | #endif | |
1626 | /* FALL THROUGH */ | |
1627 | case 2: /* my_exit() */ | |
3280af22 | 1628 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1629 | LEAVE; |
1630 | FREETMPS; | |
3280af22 | 1631 | PL_curstash = PL_defstash; |
3a1ee7e8 | 1632 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
1633 | PL_endav && !PL_minus_c) |
1634 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1635 | #ifdef MYMALLOC |
1636 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1637 | dump_mstats("after execution: "); | |
1638 | #endif | |
14dd3ad8 GS |
1639 | ret = STATUS_NATIVE_EXPORT; |
1640 | break; | |
6224f72b | 1641 | case 3: |
312caa8e CS |
1642 | if (PL_restartop) { |
1643 | POPSTACK_TO(PL_mainstack); | |
1644 | goto redo_body; | |
6224f72b | 1645 | } |
bf49b057 | 1646 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1647 | FREETMPS; |
14dd3ad8 GS |
1648 | ret = 1; |
1649 | break; | |
6224f72b GS |
1650 | } |
1651 | ||
14dd3ad8 GS |
1652 | JMPENV_POP; |
1653 | return ret; | |
312caa8e CS |
1654 | } |
1655 | ||
14dd3ad8 | 1656 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1657 | STATIC void * |
14dd3ad8 | 1658 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1659 | { |
312caa8e CS |
1660 | I32 oldscope = va_arg(args, I32); |
1661 | ||
14dd3ad8 GS |
1662 | return run_body(oldscope); |
1663 | } | |
1664 | #endif | |
1665 | ||
1666 | ||
1667 | STATIC void * | |
1668 | S_run_body(pTHX_ I32 oldscope) | |
1669 | { | |
6224f72b | 1670 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1671 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1672 | |
3280af22 | 1673 | if (!PL_restartop) { |
6224f72b GS |
1674 | DEBUG_x(dump_all()); |
1675 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1676 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1677 | PTR2UV(thr))); | |
6224f72b | 1678 | |
3280af22 | 1679 | if (PL_minus_c) { |
bf4acbe4 | 1680 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
1681 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
1682 | (gMacPerl_ErrorFormat ? "# " : ""), | |
1683 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 1684 | #else |
bf49b057 | 1685 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 1686 | #endif |
6224f72b GS |
1687 | my_exit(0); |
1688 | } | |
3280af22 | 1689 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 1690 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1691 | if (PL_initav) |
1692 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1693 | } |
1694 | ||
1695 | /* do it */ | |
1696 | ||
3280af22 | 1697 | if (PL_restartop) { |
533c011a | 1698 | PL_op = PL_restartop; |
3280af22 | 1699 | PL_restartop = 0; |
cea2e8a9 | 1700 | CALLRUNOPS(aTHX); |
6224f72b | 1701 | } |
3280af22 NIS |
1702 | else if (PL_main_start) { |
1703 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1704 | PL_op = PL_main_start; |
cea2e8a9 | 1705 | CALLRUNOPS(aTHX); |
6224f72b GS |
1706 | } |
1707 | ||
f6b3007c JH |
1708 | my_exit(0); |
1709 | /* NOTREACHED */ | |
312caa8e | 1710 | return NULL; |
6224f72b GS |
1711 | } |
1712 | ||
954c1994 | 1713 | /* |
ccfc67b7 JH |
1714 | =head1 SV Manipulation Functions |
1715 | ||
954c1994 GS |
1716 | =for apidoc p||get_sv |
1717 | ||
1718 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1719 | Perl variable does not exist then it will be created. If C<create> is not | |
1720 | set and the variable does not exist then NULL is returned. | |
1721 | ||
1722 | =cut | |
1723 | */ | |
1724 | ||
6224f72b | 1725 | SV* |
864dbfa3 | 1726 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1727 | { |
1728 | GV *gv; | |
4d1ff10f | 1729 | #ifdef USE_5005THREADS |
6224f72b GS |
1730 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1731 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 1732 | if (tmp != NOT_IN_PAD) |
6224f72b | 1733 | return THREADSV(tmp); |
6224f72b | 1734 | } |
4d1ff10f | 1735 | #endif /* USE_5005THREADS */ |
6224f72b GS |
1736 | gv = gv_fetchpv(name, create, SVt_PV); |
1737 | if (gv) | |
1738 | return GvSV(gv); | |
1739 | return Nullsv; | |
1740 | } | |
1741 | ||
954c1994 | 1742 | /* |
ccfc67b7 JH |
1743 | =head1 Array Manipulation Functions |
1744 | ||
954c1994 GS |
1745 | =for apidoc p||get_av |
1746 | ||
1747 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1748 | Perl variable does not exist then it will be created. If C<create> is not | |
1749 | set and the variable does not exist then NULL is returned. | |
1750 | ||
1751 | =cut | |
1752 | */ | |
1753 | ||
6224f72b | 1754 | AV* |
864dbfa3 | 1755 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1756 | { |
1757 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1758 | if (create) | |
1759 | return GvAVn(gv); | |
1760 | if (gv) | |
1761 | return GvAV(gv); | |
1762 | return Nullav; | |
1763 | } | |
1764 | ||
954c1994 | 1765 | /* |
ccfc67b7 JH |
1766 | =head1 Hash Manipulation Functions |
1767 | ||
954c1994 GS |
1768 | =for apidoc p||get_hv |
1769 | ||
1770 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1771 | Perl variable does not exist then it will be created. If C<create> is not | |
1772 | set and the variable does not exist then NULL is returned. | |
1773 | ||
1774 | =cut | |
1775 | */ | |
1776 | ||
6224f72b | 1777 | HV* |
864dbfa3 | 1778 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1779 | { |
a0d0e21e LW |
1780 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1781 | if (create) | |
1782 | return GvHVn(gv); | |
1783 | if (gv) | |
1784 | return GvHV(gv); | |
1785 | return Nullhv; | |
1786 | } | |
1787 | ||
954c1994 | 1788 | /* |
ccfc67b7 JH |
1789 | =head1 CV Manipulation Functions |
1790 | ||
954c1994 GS |
1791 | =for apidoc p||get_cv |
1792 | ||
1793 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1794 | the Perl subroutine does not exist then it will be declared (which has the | |
1795 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1796 | subroutine does not exist then NULL is returned. | |
1797 | ||
1798 | =cut | |
1799 | */ | |
1800 | ||
a0d0e21e | 1801 | CV* |
864dbfa3 | 1802 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1803 | { |
1804 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1805 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1806 | /* XXX this is probably not what they think they're getting. |
1807 | * It has the same effect as "sub name;", i.e. just a forward | |
1808 | * declaration! */ | |
8ebc5c01 | 1809 | if (create && !GvCVu(gv)) |
774d564b | 1810 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1811 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1812 | Nullop, |
a0d0e21e LW |
1813 | Nullop); |
1814 | if (gv) | |
8ebc5c01 | 1815 | return GvCVu(gv); |
a0d0e21e LW |
1816 | return Nullcv; |
1817 | } | |
1818 | ||
79072805 LW |
1819 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1820 | ||
954c1994 | 1821 | /* |
ccfc67b7 JH |
1822 | |
1823 | =head1 Callback Functions | |
1824 | ||
954c1994 GS |
1825 | =for apidoc p||call_argv |
1826 | ||
1827 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1828 | ||
1829 | =cut | |
1830 | */ | |
1831 | ||
a0d0e21e | 1832 | I32 |
864dbfa3 | 1833 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 1834 | |
8ac85365 NIS |
1835 | /* See G_* flags in cop.h */ |
1836 | /* null terminated arg list */ | |
8990e307 | 1837 | { |
a0d0e21e | 1838 | dSP; |
8990e307 | 1839 | |
924508f0 | 1840 | PUSHMARK(SP); |
a0d0e21e | 1841 | if (argv) { |
8990e307 | 1842 | while (*argv) { |
a0d0e21e | 1843 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1844 | argv++; |
1845 | } | |
a0d0e21e | 1846 | PUTBACK; |
8990e307 | 1847 | } |
864dbfa3 | 1848 | return call_pv(sub_name, flags); |
8990e307 LW |
1849 | } |
1850 | ||
954c1994 GS |
1851 | /* |
1852 | =for apidoc p||call_pv | |
1853 | ||
1854 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1855 | ||
1856 | =cut | |
1857 | */ | |
1858 | ||
a0d0e21e | 1859 | I32 |
864dbfa3 | 1860 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1861 | /* name of the subroutine */ |
1862 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1863 | { |
864dbfa3 | 1864 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1865 | } |
1866 | ||
954c1994 GS |
1867 | /* |
1868 | =for apidoc p||call_method | |
1869 | ||
1870 | Performs a callback to the specified Perl method. The blessed object must | |
1871 | be on the stack. See L<perlcall>. | |
1872 | ||
1873 | =cut | |
1874 | */ | |
1875 | ||
a0d0e21e | 1876 | I32 |
864dbfa3 | 1877 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1878 | /* name of the subroutine */ |
1879 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1880 | { |
968b3946 | 1881 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
1882 | } |
1883 | ||
1884 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1885 | /* |
1886 | =for apidoc p||call_sv | |
1887 | ||
1888 | Performs a callback to the Perl sub whose name is in the SV. See | |
1889 | L<perlcall>. | |
1890 | ||
1891 | =cut | |
1892 | */ | |
1893 | ||
a0d0e21e | 1894 | I32 |
864dbfa3 | 1895 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 1896 | /* See G_* flags in cop.h */ |
a0d0e21e | 1897 | { |
924508f0 | 1898 | dSP; |
a0d0e21e | 1899 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 1900 | UNOP method_op; |
aa689395 | 1901 | I32 oldmark; |
13689cfe | 1902 | volatile I32 retval = 0; |
a0d0e21e | 1903 | I32 oldscope; |
54310121 | 1904 | bool oldcatch = CATCH_GET; |
6224f72b | 1905 | int ret; |
533c011a | 1906 | OP* oldop = PL_op; |
db36c5a1 | 1907 | dJMPENV; |
1e422769 | 1908 | |
a0d0e21e LW |
1909 | if (flags & G_DISCARD) { |
1910 | ENTER; | |
1911 | SAVETMPS; | |
1912 | } | |
1913 | ||
aa689395 | 1914 | Zero(&myop, 1, LOGOP); |
54310121 | 1915 | myop.op_next = Nullop; |
f51d4af5 | 1916 | if (!(flags & G_NOARGS)) |
aa689395 | 1917 | myop.op_flags |= OPf_STACKED; |
54310121 | 1918 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1919 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1920 | OPf_WANT_SCALAR); | |
462e5cf6 | 1921 | SAVEOP(); |
533c011a | 1922 | PL_op = (OP*)&myop; |
aa689395 | 1923 | |
3280af22 NIS |
1924 | EXTEND(PL_stack_sp, 1); |
1925 | *++PL_stack_sp = sv; | |
aa689395 | 1926 | oldmark = TOPMARK; |
3280af22 | 1927 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1928 | |
3280af22 | 1929 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1930 | /* Handle first BEGIN of -d. */ |
3280af22 | 1931 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1932 | /* Try harder, since this may have been a sighandler, thus |
1933 | * curstash may be meaningless. */ | |
3280af22 | 1934 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1935 | && !(flags & G_NODEBUG)) |
533c011a | 1936 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1937 | |
968b3946 GS |
1938 | if (flags & G_METHOD) { |
1939 | Zero(&method_op, 1, UNOP); | |
1940 | method_op.op_next = PL_op; | |
1941 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
1942 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 1943 | PL_op = (OP*)&method_op; |
968b3946 GS |
1944 | } |
1945 | ||
312caa8e | 1946 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1947 | CATCH_SET(TRUE); |
14dd3ad8 | 1948 | call_body((OP*)&myop, FALSE); |
312caa8e | 1949 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1950 | CATCH_SET(oldcatch); |
312caa8e CS |
1951 | } |
1952 | else { | |
d78bda3d | 1953 | myop.op_other = (OP*)&myop; |
3280af22 | 1954 | PL_markstack_ptr--; |
4633a7c4 LW |
1955 | /* we're trying to emulate pp_entertry() here */ |
1956 | { | |
c09156bb | 1957 | register PERL_CONTEXT *cx; |
54310121 | 1958 | I32 gimme = GIMME_V; |
ac27b0f5 | 1959 | |
4633a7c4 LW |
1960 | ENTER; |
1961 | SAVETMPS; | |
ac27b0f5 | 1962 | |
968b3946 | 1963 | push_return(Nullop); |
1d76a5c3 | 1964 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 1965 | PUSHEVAL(cx, 0, 0); |
533c011a | 1966 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 1967 | |
faef0170 | 1968 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1969 | if (flags & G_KEEPERR) |
faef0170 | 1970 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1971 | else |
38a03e6e | 1972 | sv_setpv(ERRSV,""); |
4633a7c4 | 1973 | } |
3280af22 | 1974 | PL_markstack_ptr++; |
a0d0e21e | 1975 | |
14dd3ad8 GS |
1976 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1977 | redo_body: | |
1978 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 1979 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
1980 | #else |
1981 | JMPENV_PUSH(ret); | |
1982 | #endif | |
6224f72b GS |
1983 | switch (ret) { |
1984 | case 0: | |
14dd3ad8 GS |
1985 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1986 | redo_body: | |
1987 | call_body((OP*)&myop, FALSE); | |
1988 | #endif | |
312caa8e CS |
1989 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1990 | if (!(flags & G_KEEPERR)) | |
1991 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1992 | break; |
6224f72b | 1993 | case 1: |
f86702cc | 1994 | STATUS_ALL_FAILURE; |
a0d0e21e | 1995 | /* FALL THROUGH */ |
6224f72b | 1996 | case 2: |
a0d0e21e | 1997 | /* my_exit() was called */ |
3280af22 | 1998 | PL_curstash = PL_defstash; |
a0d0e21e | 1999 | FREETMPS; |
14dd3ad8 | 2000 | JMPENV_POP; |
cc3604b1 | 2001 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2002 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2003 | my_exit_jump(); |
a0d0e21e | 2004 | /* NOTREACHED */ |
6224f72b | 2005 | case 3: |
3280af22 | 2006 | if (PL_restartop) { |
533c011a | 2007 | PL_op = PL_restartop; |
3280af22 | 2008 | PL_restartop = 0; |
312caa8e | 2009 | goto redo_body; |
a0d0e21e | 2010 | } |
3280af22 | 2011 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2012 | if (flags & G_ARRAY) |
2013 | retval = 0; | |
2014 | else { | |
2015 | retval = 1; | |
3280af22 | 2016 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2017 | } |
312caa8e | 2018 | break; |
a0d0e21e | 2019 | } |
a0d0e21e | 2020 | |
3280af22 | 2021 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
2022 | SV **newsp; |
2023 | PMOP *newpm; | |
2024 | I32 gimme; | |
c09156bb | 2025 | register PERL_CONTEXT *cx; |
a0a2876f LW |
2026 | I32 optype; |
2027 | ||
2028 | POPBLOCK(cx,newpm); | |
2029 | POPEVAL(cx); | |
2030 | pop_return(); | |
3280af22 | 2031 | PL_curpm = newpm; |
a0a2876f | 2032 | LEAVE; |
a0d0e21e | 2033 | } |
14dd3ad8 | 2034 | JMPENV_POP; |
a0d0e21e | 2035 | } |
1e422769 | 2036 | |
a0d0e21e | 2037 | if (flags & G_DISCARD) { |
3280af22 | 2038 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2039 | retval = 0; |
2040 | FREETMPS; | |
2041 | LEAVE; | |
2042 | } | |
533c011a | 2043 | PL_op = oldop; |
a0d0e21e LW |
2044 | return retval; |
2045 | } | |
2046 | ||
14dd3ad8 | 2047 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2048 | STATIC void * |
14dd3ad8 | 2049 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
2050 | { |
2051 | OP *myop = va_arg(args, OP*); | |
2052 | int is_eval = va_arg(args, int); | |
2053 | ||
14dd3ad8 | 2054 | call_body(myop, is_eval); |
312caa8e CS |
2055 | return NULL; |
2056 | } | |
14dd3ad8 | 2057 | #endif |
312caa8e CS |
2058 | |
2059 | STATIC void | |
14dd3ad8 | 2060 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e | 2061 | { |
312caa8e CS |
2062 | if (PL_op == myop) { |
2063 | if (is_eval) | |
f807eda9 | 2064 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 2065 | else |
f807eda9 | 2066 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
2067 | } |
2068 | if (PL_op) | |
cea2e8a9 | 2069 | CALLRUNOPS(aTHX); |
312caa8e CS |
2070 | } |
2071 | ||
6e72f9df | 2072 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2073 | |
954c1994 GS |
2074 | /* |
2075 | =for apidoc p||eval_sv | |
2076 | ||
2077 | Tells Perl to C<eval> the string in the SV. | |
2078 | ||
2079 | =cut | |
2080 | */ | |
2081 | ||
a0d0e21e | 2082 | I32 |
864dbfa3 | 2083 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2084 | |
8ac85365 | 2085 | /* See G_* flags in cop.h */ |
a0d0e21e | 2086 | { |
924508f0 | 2087 | dSP; |
a0d0e21e | 2088 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 2089 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 2090 | volatile I32 retval = 0; |
4633a7c4 | 2091 | I32 oldscope; |
6224f72b | 2092 | int ret; |
533c011a | 2093 | OP* oldop = PL_op; |
db36c5a1 | 2094 | dJMPENV; |
84902520 | 2095 | |
4633a7c4 LW |
2096 | if (flags & G_DISCARD) { |
2097 | ENTER; | |
2098 | SAVETMPS; | |
2099 | } | |
2100 | ||
462e5cf6 | 2101 | SAVEOP(); |
533c011a NIS |
2102 | PL_op = (OP*)&myop; |
2103 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2104 | EXTEND(PL_stack_sp, 1); |
2105 | *++PL_stack_sp = sv; | |
2106 | oldscope = PL_scopestack_ix; | |
79072805 | 2107 | |
4633a7c4 LW |
2108 | if (!(flags & G_NOARGS)) |
2109 | myop.op_flags = OPf_STACKED; | |
79072805 | 2110 | myop.op_next = Nullop; |
6e72f9df | 2111 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2112 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2113 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2114 | OPf_WANT_SCALAR); | |
6e72f9df | 2115 | if (flags & G_KEEPERR) |
2116 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2117 | |
14dd3ad8 | 2118 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2119 | redo_body: |
14dd3ad8 | 2120 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 2121 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
2122 | #else |
2123 | JMPENV_PUSH(ret); | |
2124 | #endif | |
6224f72b GS |
2125 | switch (ret) { |
2126 | case 0: | |
14dd3ad8 GS |
2127 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2128 | redo_body: | |
2129 | call_body((OP*)&myop,TRUE); | |
2130 | #endif | |
312caa8e CS |
2131 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2132 | if (!(flags & G_KEEPERR)) | |
2133 | sv_setpv(ERRSV,""); | |
4633a7c4 | 2134 | break; |
6224f72b | 2135 | case 1: |
f86702cc | 2136 | STATUS_ALL_FAILURE; |
4633a7c4 | 2137 | /* FALL THROUGH */ |
6224f72b | 2138 | case 2: |
4633a7c4 | 2139 | /* my_exit() was called */ |
3280af22 | 2140 | PL_curstash = PL_defstash; |
4633a7c4 | 2141 | FREETMPS; |
14dd3ad8 | 2142 | JMPENV_POP; |
cc3604b1 | 2143 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2144 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2145 | my_exit_jump(); |
4633a7c4 | 2146 | /* NOTREACHED */ |
6224f72b | 2147 | case 3: |
3280af22 | 2148 | if (PL_restartop) { |
533c011a | 2149 | PL_op = PL_restartop; |
3280af22 | 2150 | PL_restartop = 0; |
312caa8e | 2151 | goto redo_body; |
4633a7c4 | 2152 | } |
3280af22 | 2153 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2154 | if (flags & G_ARRAY) |
2155 | retval = 0; | |
2156 | else { | |
2157 | retval = 1; | |
3280af22 | 2158 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2159 | } |
312caa8e | 2160 | break; |
4633a7c4 LW |
2161 | } |
2162 | ||
14dd3ad8 | 2163 | JMPENV_POP; |
4633a7c4 | 2164 | if (flags & G_DISCARD) { |
3280af22 | 2165 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2166 | retval = 0; |
2167 | FREETMPS; | |
2168 | LEAVE; | |
2169 | } | |
533c011a | 2170 | PL_op = oldop; |
4633a7c4 LW |
2171 | return retval; |
2172 | } | |
2173 | ||
954c1994 GS |
2174 | /* |
2175 | =for apidoc p||eval_pv | |
2176 | ||
2177 | Tells Perl to C<eval> the given string and return an SV* result. | |
2178 | ||
2179 | =cut | |
2180 | */ | |
2181 | ||
137443ea | 2182 | SV* |
864dbfa3 | 2183 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2184 | { |
2185 | dSP; | |
2186 | SV* sv = newSVpv(p, 0); | |
2187 | ||
864dbfa3 | 2188 | eval_sv(sv, G_SCALAR); |
137443ea | 2189 | SvREFCNT_dec(sv); |
2190 | ||
2191 | SPAGAIN; | |
2192 | sv = POPs; | |
2193 | PUTBACK; | |
2194 | ||
2d8e6c8d GS |
2195 | if (croak_on_error && SvTRUE(ERRSV)) { |
2196 | STRLEN n_a; | |
cea2e8a9 | 2197 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 2198 | } |
137443ea | 2199 | |
2200 | return sv; | |
2201 | } | |
2202 | ||
4633a7c4 LW |
2203 | /* Require a module. */ |
2204 | ||
954c1994 | 2205 | /* |
ccfc67b7 JH |
2206 | =head1 Embedding Functions |
2207 | ||
954c1994 GS |
2208 | =for apidoc p||require_pv |
2209 | ||
7d3fb230 BS |
2210 | Tells Perl to C<require> the file named by the string argument. It is |
2211 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2212 | implemented that way; consider using load_module instead. |
954c1994 | 2213 | |
7d3fb230 | 2214 | =cut */ |
954c1994 | 2215 | |
4633a7c4 | 2216 | void |
864dbfa3 | 2217 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2218 | { |
d3acc0f7 JP |
2219 | SV* sv; |
2220 | dSP; | |
e788e7d3 | 2221 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
2222 | PUTBACK; |
2223 | sv = sv_newmortal(); | |
4633a7c4 LW |
2224 | sv_setpv(sv, "require '"); |
2225 | sv_catpv(sv, pv); | |
2226 | sv_catpv(sv, "'"); | |
864dbfa3 | 2227 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
2228 | SPAGAIN; |
2229 | POPSTACK; | |
79072805 LW |
2230 | } |
2231 | ||
79072805 | 2232 | void |
864dbfa3 | 2233 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
2234 | { |
2235 | register GV *gv; | |
2236 | ||
155aba94 | 2237 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
14befaf4 | 2238 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2239 | } |
2240 | ||
76e3520e | 2241 | STATIC void |
cea2e8a9 | 2242 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2243 | { |
ab821d7f | 2244 | /* This message really ought to be max 23 lines. |
75c72d73 | 2245 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2246 | |
76e3520e | 2247 | static char *usage_msg[] = { |
fb73857a | 2248 | "-0[octal] specify record separator (\\0, if no argument)", |
2249 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
46487f74 | 2250 | "-C enable native wide character system interfaces", |
1950ee41 | 2251 | "-c check syntax only (runs BEGIN and CHECK blocks)", |
aac3bd0d GS |
2252 | "-d[:debugger] run program under debugger", |
2253 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2254 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
2255 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
2256 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2257 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 2258 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
2259 | "-[mM][-]module execute `use/no module...' before executing program", |
2260 | "-n assume 'while (<>) { ... }' loop around program", | |
2261 | "-p assume loop like -n but print line also, like sed", | |
2262 | "-P run program through C preprocessor before compilation", | |
2263 | "-s enable rudimentary parsing for switches after programfile", | |
2264 | "-S look for programfile using PATH environment variable", | |
2265 | "-T enable tainting checks", | |
9cbc33e8 | 2266 | "-t enable tainting warnings", |
aac3bd0d | 2267 | "-u dump core after parsing program", |
fb73857a | 2268 | "-U allow unsafe operations", |
aac3bd0d GS |
2269 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
2270 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2271 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 GS |
2272 | "-W enable all warnings", |
2273 | "-X disable all warnings", | |
fb73857a | 2274 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
2275 | "\n", | |
2276 | NULL | |
2277 | }; | |
76e3520e | 2278 | char **p = usage_msg; |
fb73857a | 2279 | |
b0e47665 GS |
2280 | PerlIO_printf(PerlIO_stdout(), |
2281 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2282 | name); | |
fb73857a | 2283 | while (*p) |
b0e47665 | 2284 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2285 | } |
2286 | ||
b4ab917c DM |
2287 | /* convert a string of -D options (or digits) into an int. |
2288 | * sets *s to point to the char after the options */ | |
2289 | ||
2290 | #ifdef DEBUGGING | |
2291 | int | |
2292 | Perl_get_debug_opts(pTHX_ char **s) | |
2293 | { | |
2294 | int i = 0; | |
2295 | if (isALPHA(**s)) { | |
2296 | /* if adding extra options, remember to update DEBUG_MASK */ | |
2297 | static char debopts[] = "psltocPmfrxu HXDSTRJvC"; | |
2298 | ||
2299 | for (; isALNUM(**s); (*s)++) { | |
2300 | char *d = strchr(debopts,**s); | |
2301 | if (d) | |
2302 | i |= 1 << (d - debopts); | |
2303 | else if (ckWARN_d(WARN_DEBUGGING)) | |
2304 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2305 | "invalid option -D%c\n", **s); | |
2306 | } | |
2307 | } | |
2308 | else { | |
2309 | i = atoi(*s); | |
2310 | for (; isALNUM(**s); (*s)++) ; | |
2311 | } | |
2312 | # ifdef EBCDIC | |
2313 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2314 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2315 | "-Dp not implemented on this platform\n"); | |
2316 | # endif | |
2317 | return i; | |
2318 | } | |
2319 | #endif | |
2320 | ||
79072805 LW |
2321 | /* This routine handles any switches that can be given during run */ |
2322 | ||
2323 | char * | |
864dbfa3 | 2324 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2325 | { |
ba210ebe | 2326 | STRLEN numlen; |
84c133a0 | 2327 | UV rschar; |
79072805 LW |
2328 | |
2329 | switch (*s) { | |
2330 | case '0': | |
a863c7d1 | 2331 | { |
f2095865 JH |
2332 | I32 flags = 0; |
2333 | ||
2334 | SvREFCNT_dec(PL_rs); | |
2335 | if (s[1] == 'x' && s[2]) { | |
2336 | char *e; | |
2337 | U8 *tmps; | |
2338 | ||
2339 | for (s += 2, e = s; *e; e++); | |
2340 | numlen = e - s; | |
2341 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2342 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2343 | if (s + numlen < e) { | |
2344 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2345 | numlen = 0; | |
2346 | s--; | |
2347 | } | |
2348 | PL_rs = newSVpvn("", 0); | |
c5661c80 | 2349 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2350 | tmps = (U8*)SvPVX(PL_rs); |
2351 | uvchr_to_utf8(tmps, rschar); | |
2352 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
2353 | SvUTF8_on(PL_rs); | |
2354 | } | |
2355 | else { | |
2356 | numlen = 4; | |
2357 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
2358 | if (rschar & ~((U8)~0)) | |
2359 | PL_rs = &PL_sv_undef; | |
2360 | else if (!rschar && numlen >= 2) | |
2361 | PL_rs = newSVpvn("", 0); | |
2362 | else { | |
2363 | char ch = (char)rschar; | |
2364 | PL_rs = newSVpvn(&ch, 1); | |
2365 | } | |
2366 | } | |
2367 | return s + numlen; | |
a863c7d1 | 2368 | } |
46487f74 | 2369 | case 'C': |
a05d7ebb JH |
2370 | s++; |
2371 | PL_unicode = parse_unicode_opts(&s); | |
46487f74 | 2372 | return s; |
2304df62 | 2373 | case 'F': |
3280af22 | 2374 | PL_minus_F = TRUE; |
ebce5377 RGS |
2375 | PL_splitstr = ++s; |
2376 | while (*s && !isSPACE(*s)) ++s; | |
2377 | *s = '\0'; | |
2378 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2379 | return s; |
79072805 | 2380 | case 'a': |
3280af22 | 2381 | PL_minus_a = TRUE; |
79072805 LW |
2382 | s++; |
2383 | return s; | |
2384 | case 'c': | |
3280af22 | 2385 | PL_minus_c = TRUE; |
79072805 LW |
2386 | s++; |
2387 | return s; | |
2388 | case 'd': | |
bbce6d69 | 2389 | forbid_setid("-d"); |
4633a7c4 | 2390 | s++; |
70c94a19 RR |
2391 | /* The following permits -d:Mod to accepts arguments following an = |
2392 | in the fashion that -MSome::Mod does. */ | |
2393 | if (*s == ':' || *s == '=') { | |
2394 | char *start; | |
2395 | SV *sv; | |
2396 | sv = newSVpv("use Devel::", 0); | |
2397 | start = ++s; | |
2398 | /* We now allow -d:Module=Foo,Bar */ | |
2399 | while(isALNUM(*s) || *s==':') ++s; | |
2400 | if (*s != '=') | |
2401 | sv_catpv(sv, start); | |
2402 | else { | |
2403 | sv_catpvn(sv, start, s-start); | |
2404 | sv_catpv(sv, " split(/,/,q{"); | |
2405 | sv_catpv(sv, ++s); | |
2406 | sv_catpv(sv, "})"); | |
2407 | } | |
4633a7c4 | 2408 | s += strlen(s); |
70c94a19 | 2409 | my_setenv("PERL5DB", SvPV(sv, PL_na)); |
4633a7c4 | 2410 | } |
ed094faf | 2411 | if (!PL_perldb) { |
3280af22 | 2412 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2413 | init_debugger(); |
ed094faf | 2414 | } |
79072805 LW |
2415 | return s; |
2416 | case 'D': | |
0453d815 | 2417 | { |
79072805 | 2418 | #ifdef DEBUGGING |
bbce6d69 | 2419 | forbid_setid("-D"); |
b4ab917c DM |
2420 | s++; |
2421 | PL_debug = get_debug_opts(&s) | DEBUG_TOP_FLAG; | |
12a43e32 | 2422 | #else /* !DEBUGGING */ |
0453d815 | 2423 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 2424 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
0453d815 | 2425 | "Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e | 2426 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
2427 | #endif |
2428 | /*SUPPRESS 530*/ | |
2429 | return s; | |
0453d815 | 2430 | } |
4633a7c4 | 2431 | case 'h': |
ac27b0f5 | 2432 | usage(PL_origargv[0]); |
7ca617d0 | 2433 | my_exit(0); |
79072805 | 2434 | case 'i': |
3280af22 NIS |
2435 | if (PL_inplace) |
2436 | Safefree(PL_inplace); | |
c030f24b GH |
2437 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
2438 | if (*(s+1) == '\0') { | |
2439 | PL_inplace = savepv(".bak"); | |
2440 | return s+1; | |
2441 | } | |
2442 | #endif /* __CYGWIN__ */ | |
3280af22 | 2443 | PL_inplace = savepv(s+1); |
79072805 | 2444 | /*SUPPRESS 530*/ |
3280af22 | 2445 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2446 | if (*s) { |
fb73857a | 2447 | *s++ = '\0'; |
7b8d334a GS |
2448 | if (*s == '-') /* Additional switches on #! line. */ |
2449 | s++; | |
2450 | } | |
fb73857a | 2451 | return s; |
4e49a025 | 2452 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 2453 | forbid_setid("-I"); |
fb73857a | 2454 | ++s; |
2455 | while (*s && isSPACE(*s)) | |
2456 | ++s; | |
2457 | if (*s) { | |
774d564b | 2458 | char *e, *p; |
0df16ed7 GS |
2459 | p = s; |
2460 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2461 | do { | |
2462 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2463 | p = e; | |
2464 | while (isSPACE(*p)) | |
2465 | p++; | |
2466 | } while (*p && *p != '-'); | |
2467 | e = savepvn(s, e-s); | |
574c798a | 2468 | incpush(e, TRUE, TRUE, FALSE); |
0df16ed7 GS |
2469 | Safefree(e); |
2470 | s = p; | |
2471 | if (*s == '-') | |
2472 | s++; | |
79072805 LW |
2473 | } |
2474 | else | |
a67e862a | 2475 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2476 | return s; |
79072805 | 2477 | case 'l': |
3280af22 | 2478 | PL_minus_l = TRUE; |
79072805 | 2479 | s++; |
7889fe52 NIS |
2480 | if (PL_ors_sv) { |
2481 | SvREFCNT_dec(PL_ors_sv); | |
2482 | PL_ors_sv = Nullsv; | |
2483 | } | |
79072805 | 2484 | if (isDIGIT(*s)) { |
53305cf1 | 2485 | I32 flags = 0; |
7889fe52 | 2486 | PL_ors_sv = newSVpvn("\n",1); |
53305cf1 NC |
2487 | numlen = 3 + (*s == '0'); |
2488 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
2489 | s += numlen; |
2490 | } | |
2491 | else { | |
8bfdd7d9 | 2492 | if (RsPARA(PL_rs)) { |
7889fe52 NIS |
2493 | PL_ors_sv = newSVpvn("\n\n",2); |
2494 | } | |
2495 | else { | |
8bfdd7d9 | 2496 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 2497 | } |
79072805 LW |
2498 | } |
2499 | return s; | |
06492da6 SF |
2500 | case 'A': |
2501 | forbid_setid("-A"); | |
930366bd RGS |
2502 | if (!PL_preambleav) |
2503 | PL_preambleav = newAV(); | |
06492da6 | 2504 | if (*++s) { |
930366bd | 2505 | SV *sv = newSVpvn("use assertions::activate split(/,/,q{",37); |
06492da6 SF |
2506 | sv_catpv(sv,s); |
2507 | sv_catpv(sv,"})"); | |
2508 | s+=strlen(s); | |
06492da6 SF |
2509 | av_push(PL_preambleav, sv); |
2510 | } | |
2511 | else | |
930366bd | 2512 | av_push(PL_preambleav, newSVpvn("use assertions::activate",24)); |
06492da6 | 2513 | return s; |
1a30305b | 2514 | case 'M': |
bbce6d69 | 2515 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2516 | /* FALL THROUGH */ |
2517 | case 'm': | |
bbce6d69 | 2518 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2519 | if (*++s) { |
a5f75d66 | 2520 | char *start; |
11343788 | 2521 | SV *sv; |
a5f75d66 AD |
2522 | char *use = "use "; |
2523 | /* -M-foo == 'no foo' */ | |
2524 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2525 | sv = newSVpv(use,0); |
a5f75d66 | 2526 | start = s; |
1a30305b | 2527 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2528 | while(isALNUM(*s) || *s==':') ++s; |
2529 | if (*s != '=') { | |
11343788 | 2530 | sv_catpv(sv, start); |
c07a80fd | 2531 | if (*(start-1) == 'm') { |
2532 | if (*s != '\0') | |
cea2e8a9 | 2533 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2534 | sv_catpv( sv, " ()"); |
c07a80fd | 2535 | } |
2536 | } else { | |
6df41af2 | 2537 | if (s == start) |
be98fb35 GS |
2538 | Perl_croak(aTHX_ "Module name required with -%c option", |
2539 | s[-1]); | |
11343788 MB |
2540 | sv_catpvn(sv, start, s-start); |
2541 | sv_catpv(sv, " split(/,/,q{"); | |
2542 | sv_catpv(sv, ++s); | |
2543 | sv_catpv(sv, "})"); | |
c07a80fd | 2544 | } |
1a30305b | 2545 | s += strlen(s); |
5c831c24 | 2546 | if (!PL_preambleav) |
3280af22 NIS |
2547 | PL_preambleav = newAV(); |
2548 | av_push(PL_preambleav, sv); | |
1a30305b | 2549 | } |
2550 | else | |
cea2e8a9 | 2551 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2552 | return s; |
79072805 | 2553 | case 'n': |
3280af22 | 2554 | PL_minus_n = TRUE; |
79072805 LW |
2555 | s++; |
2556 | return s; | |
2557 | case 'p': | |
3280af22 | 2558 | PL_minus_p = TRUE; |
79072805 LW |
2559 | s++; |
2560 | return s; | |
2561 | case 's': | |
bbce6d69 | 2562 | forbid_setid("-s"); |
3280af22 | 2563 | PL_doswitches = TRUE; |
79072805 LW |
2564 | s++; |
2565 | return s; | |
6537fe72 MS |
2566 | case 't': |
2567 | if (!PL_tainting) | |
22f7c9c9 | 2568 | TOO_LATE_FOR('t'); |
6537fe72 MS |
2569 | s++; |
2570 | return s; | |
463ee0b2 | 2571 | case 'T': |
3280af22 | 2572 | if (!PL_tainting) |
22f7c9c9 | 2573 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
2574 | s++; |
2575 | return s; | |
79072805 | 2576 | case 'u': |
bf4acbe4 GS |
2577 | #ifdef MACOS_TRADITIONAL |
2578 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
2579 | #endif | |
3280af22 | 2580 | PL_do_undump = TRUE; |
79072805 LW |
2581 | s++; |
2582 | return s; | |
2583 | case 'U': | |
3280af22 | 2584 | PL_unsafe = TRUE; |
79072805 LW |
2585 | s++; |
2586 | return s; | |
2587 | case 'v': | |
8e9464f1 | 2588 | #if !defined(DGUX) |
b0e47665 | 2589 | PerlIO_printf(PerlIO_stdout(), |
d2560b70 | 2590 | Perl_form(aTHX_ "\nThis is perl, v%"VDf" built for %s", |
b0e47665 | 2591 | PL_patchlevel, ARCHNAME)); |
8e9464f1 JH |
2592 | #else /* DGUX */ |
2593 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
2594 | PerlIO_printf(PerlIO_stdout(), | |
2595 | Perl_form(aTHX_ "\nThis is perl, version %vd\n", PL_patchlevel)); | |
2596 | PerlIO_printf(PerlIO_stdout(), | |
2597 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
2598 | OSNAME, __DATE__, __TIME__)); | |
2599 | PerlIO_printf(PerlIO_stdout(), | |
2600 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 2601 | OSVERS)); |
8e9464f1 JH |
2602 | #endif /* !DGUX */ |
2603 | ||
fb73857a | 2604 | #if defined(LOCAL_PATCH_COUNT) |
2605 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
2606 | PerlIO_printf(PerlIO_stdout(), |
2607 | "\n(with %d registered patch%s, " | |
2608 | "see perl -V for more detail)", | |
2609 | (int)LOCAL_PATCH_COUNT, | |
2610 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 2611 | #endif |
1a30305b | 2612 | |
b0e47665 | 2613 | PerlIO_printf(PerlIO_stdout(), |
4c79ee7a | 2614 | "\n\nCopyright 1987-2003, Larry Wall\n"); |
eae9c151 JH |
2615 | #ifdef MACOS_TRADITIONAL |
2616 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 2617 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 2618 | "maintained by Chris Nandor\n"); |
eae9c151 | 2619 | #endif |
79072805 | 2620 | #ifdef MSDOS |
b0e47665 GS |
2621 | PerlIO_printf(PerlIO_stdout(), |
2622 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 2623 | #endif |
2624 | #ifdef DJGPP | |
b0e47665 GS |
2625 | PerlIO_printf(PerlIO_stdout(), |
2626 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
2627 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 2628 | #endif |
79072805 | 2629 | #ifdef OS2 |
b0e47665 GS |
2630 | PerlIO_printf(PerlIO_stdout(), |
2631 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 2632 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2633 | #endif |
79072805 | 2634 | #ifdef atarist |
b0e47665 GS |
2635 | PerlIO_printf(PerlIO_stdout(), |
2636 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 2637 | #endif |
a3f9223b | 2638 | #ifdef __BEOS__ |
b0e47665 GS |
2639 | PerlIO_printf(PerlIO_stdout(), |
2640 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 2641 | #endif |
1d84e8df | 2642 | #ifdef MPE |
b0e47665 | 2643 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2644 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2002\n"); |
1d84e8df | 2645 | #endif |
9d116dd7 | 2646 | #ifdef OEMVS |
b0e47665 GS |
2647 | PerlIO_printf(PerlIO_stdout(), |
2648 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 2649 | #endif |
495c5fdc | 2650 | #ifdef __VOS__ |
b0e47665 | 2651 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 2652 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 2653 | #endif |
092bebab | 2654 | #ifdef __OPEN_VM |
b0e47665 GS |
2655 | PerlIO_printf(PerlIO_stdout(), |
2656 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 2657 | #endif |
a1a0e61e | 2658 | #ifdef POSIX_BC |
b0e47665 GS |
2659 | PerlIO_printf(PerlIO_stdout(), |
2660 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 2661 | #endif |
61ae2fbf | 2662 | #ifdef __MINT__ |
b0e47665 GS |
2663 | PerlIO_printf(PerlIO_stdout(), |
2664 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 2665 | #endif |
f83d2536 | 2666 | #ifdef EPOC |
b0e47665 | 2667 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2668 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 2669 | #endif |
e1caacb4 | 2670 | #ifdef UNDER_CE |
b475b3e6 JH |
2671 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
2672 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
2673 | wce_hitreturn(); |
2674 | #endif | |
baed7233 DL |
2675 | #ifdef BINARY_BUILD_NOTICE |
2676 | BINARY_BUILD_NOTICE; | |
2677 | #endif | |
b0e47665 GS |
2678 | PerlIO_printf(PerlIO_stdout(), |
2679 | "\n\ | |
79072805 | 2680 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 2681 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 GS |
2682 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
2683 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2684 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
7ca617d0 | 2685 | my_exit(0); |
79072805 | 2686 | case 'w': |
599cee73 | 2687 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 2688 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
2689 | s++; |
2690 | return s; | |
2691 | case 'W': | |
ac27b0f5 | 2692 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
2693 | if (!specialWARN(PL_compiling.cop_warnings)) |
2694 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2695 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
2696 | s++; |
2697 | return s; | |
2698 | case 'X': | |
ac27b0f5 | 2699 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
2700 | if (!specialWARN(PL_compiling.cop_warnings)) |
2701 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2702 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
2703 | s++; |
2704 | return s; | |
a0d0e21e | 2705 | case '*': |
79072805 LW |
2706 | case ' ': |
2707 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2708 | return s+2; | |
2709 | break; | |
a0d0e21e | 2710 | case '-': |
79072805 | 2711 | case 0: |
51882d45 | 2712 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2713 | case '\r': |
2714 | #endif | |
79072805 LW |
2715 | case '\n': |
2716 | case '\t': | |
2717 | break; | |
aa689395 | 2718 | #ifdef ALTERNATE_SHEBANG |
2719 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2720 | break; | |
2721 | #endif | |
a0d0e21e | 2722 | case 'P': |
3280af22 | 2723 | if (PL_preprocess) |
a0d0e21e LW |
2724 | return s+1; |
2725 | /* FALL THROUGH */ | |
79072805 | 2726 | default: |
cea2e8a9 | 2727 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2728 | } |
2729 | return Nullch; | |
2730 | } | |
2731 | ||
2732 | /* compliments of Tom Christiansen */ | |
2733 | ||
2734 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2735 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2736 | |
2737 | void | |
864dbfa3 | 2738 | Perl_my_unexec(pTHX) |
79072805 LW |
2739 | { |
2740 | #ifdef UNEXEC | |
46fc3d4c | 2741 | SV* prog; |
2742 | SV* file; | |
ee580363 | 2743 | int status = 1; |
79072805 LW |
2744 | extern int etext; |
2745 | ||
ee580363 | 2746 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2747 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2748 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2749 | sv_catpv(file, ".perldump"); |
79072805 | 2750 | |
ee580363 GS |
2751 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2752 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2753 | PerlProc_exit(status); |
79072805 | 2754 | #else |
a5f75d66 AD |
2755 | # ifdef VMS |
2756 | # include <lib$routines.h> | |
2757 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2758 | # else |
79072805 | 2759 | ABORT(); /* for use with undump */ |
aa689395 | 2760 | # endif |
a5f75d66 | 2761 | #endif |
79072805 LW |
2762 | } |
2763 | ||
cb68f92d GS |
2764 | /* initialize curinterp */ |
2765 | STATIC void | |
cea2e8a9 | 2766 | S_init_interp(pTHX) |
cb68f92d GS |
2767 | { |
2768 | ||
acfe0abc GS |
2769 | #ifdef MULTIPLICITY |
2770 | # define PERLVAR(var,type) | |
2771 | # define PERLVARA(var,n,type) | |
2772 | # if defined(PERL_IMPLICIT_CONTEXT) | |
2773 | # if defined(USE_5005THREADS) | |
2774 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
c5be433b | 2775 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
2776 | # else /* !USE_5005THREADS */ |
2777 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2778 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2779 | # endif /* USE_5005THREADS */ | |
3967c732 | 2780 | # else |
acfe0abc GS |
2781 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2782 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 2783 | # endif |
acfe0abc GS |
2784 | # include "intrpvar.h" |
2785 | # ifndef USE_5005THREADS | |
2786 | # include "thrdvar.h" | |
2787 | # endif | |
2788 | # undef PERLVAR | |
2789 | # undef PERLVARA | |
2790 | # undef PERLVARI | |
2791 | # undef PERLVARIC | |
2792 | #else | |
2793 | # define PERLVAR(var,type) | |
2794 | # define PERLVARA(var,n,type) | |
2795 | # define PERLVARI(var,type,init) PL_##var = init; | |
2796 | # define PERLVARIC(var,type,init) PL_##var = init; | |
2797 | # include "intrpvar.h" | |
2798 | # ifndef USE_5005THREADS | |
2799 | # include "thrdvar.h" | |
2800 | # endif | |
2801 | # undef PERLVAR | |
2802 | # undef PERLVARA | |
2803 | # undef PERLVARI | |
2804 | # undef PERLVARIC | |
cb68f92d GS |
2805 | #endif |
2806 | ||
cb68f92d GS |
2807 | } |
2808 | ||
76e3520e | 2809 | STATIC void |
cea2e8a9 | 2810 | S_init_main_stash(pTHX) |
79072805 | 2811 | { |
463ee0b2 | 2812 | GV *gv; |
6e72f9df | 2813 | |
3280af22 | 2814 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2815 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2816 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2817 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2818 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2819 | SvREADONLY_on(gv); |
3280af22 NIS |
2820 | HvNAME(PL_defstash) = savepv("main"); |
2821 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2822 | GvMULTI_on(PL_incgv); | |
2823 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2824 | GvMULTI_on(PL_hintgv); | |
2825 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2826 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2827 | GvMULTI_on(PL_errgv); | |
2828 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2829 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2830 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2831 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2832 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2833 | PL_curstash = PL_defstash; |
11faa288 | 2834 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2835 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2836 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2837 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2838 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2839 | } |
2840 | ||
76e3520e | 2841 | STATIC void |
cea2e8a9 | 2842 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2843 | { |
1b24ed4b MS |
2844 | char *quote; |
2845 | char *code; | |
2846 | char *cpp_discard_flag; | |
2847 | char *perl; | |
2848 | ||
6c4ab083 | 2849 | *fdscript = -1; |
79072805 | 2850 | |
3280af22 NIS |
2851 | if (PL_e_script) { |
2852 | PL_origfilename = savepv("-e"); | |
96436eeb | 2853 | } |
6c4ab083 GS |
2854 | else { |
2855 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2856 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2857 | |
2858 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2859 | char *s = scriptname + 8; | |
2860 | *fdscript = atoi(s); | |
2861 | while (isDIGIT(*s)) | |
2862 | s++; | |
2863 | if (*s) { | |
2864 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2865 | Safefree(PL_origfilename); |
2866 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2867 | } |
2868 | } | |
2869 | } | |
2870 | ||
05ec9bb3 | 2871 | CopFILE_free(PL_curcop); |
57843af0 | 2872 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2873 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2874 | scriptname = ""; |
01f988be | 2875 | if (*fdscript >= 0) { |
3280af22 | 2876 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2877 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2878 | if (PL_rsfp) | |
2879 | /* ensure close-on-exec */ | |
2880 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2881 | # endif | |
96436eeb | 2882 | } |
3280af22 | 2883 | else if (PL_preprocess) { |
46fc3d4c | 2884 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2885 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2886 | SV *cmd = NEWSV(0,0); |
2887 | ||
2888 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2889 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2890 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2891 | |
1b24ed4b MS |
2892 | # ifndef VMS |
2893 | sv_catpvn(sv, "-I", 2); | |
2894 | sv_catpv(sv,PRIVLIB_EXP); | |
2895 | # endif | |
46fc3d4c | 2896 | |
14953ddc MB |
2897 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2898 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
2899 | scriptname, SvPVX (cpp), SvPVX (sv), CPPMINUS)); | |
1b24ed4b MS |
2900 | |
2901 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
2902 | quote = "\""; | |
2903 | # else | |
2904 | quote = "'"; | |
2905 | # endif | |
2906 | ||
2907 | # ifdef VMS | |
2908 | cpp_discard_flag = ""; | |
2909 | # else | |
2910 | cpp_discard_flag = "-C"; | |
2911 | # endif | |
2912 | ||
2913 | # ifdef OS2 | |
2914 | perl = os2_execname(aTHX); | |
2915 | # else | |
2916 | perl = PL_origargv[0]; | |
2917 | # endif | |
2918 | ||
2919 | ||
2920 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
2921 | the C pre-processor, including #!. #line directives are |
2922 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
2923 | of #line. FWP played some golf with it so it will fit |
2924 | into VMS's 255 character buffer. | |
2925 | */ | |
2926 | if( PL_doextract ) | |
2927 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2928 | else | |
2929 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2930 | ||
2931 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
2932 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
62375a60 | 2933 | perl, quote, code, quote, scriptname, cpp, |
1b24ed4b MS |
2934 | cpp_discard_flag, sv, CPPMINUS); |
2935 | ||
3280af22 | 2936 | PL_doextract = FALSE; |
1b24ed4b MS |
2937 | # ifdef IAMSUID /* actually, this is caught earlier */ |
2938 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ | |
2939 | # ifdef HAS_SETEUID | |
2940 | (void)seteuid(PL_uid); /* musn't stay setuid root */ | |
2941 | # else | |
2942 | # ifdef HAS_SETREUID | |
2943 | (void)setreuid((Uid_t)-1, PL_uid); | |
2944 | # else | |
2945 | # ifdef HAS_SETRESUID | |
2946 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); | |
2947 | # else | |
2948 | PerlProc_setuid(PL_uid); | |
2949 | # endif | |
2950 | # endif | |
2951 | # endif | |
b28d0864 | 2952 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2953 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 | 2954 | } |
1b24ed4b | 2955 | # endif /* IAMSUID */ |
0a6c758d | 2956 | |
62375a60 NIS |
2957 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2958 | "PL_preprocess: cmd=\"%s\"\n", | |
0a6c758d MS |
2959 | SvPVX(cmd))); |
2960 | ||
3280af22 | 2961 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2962 | SvREFCNT_dec(cmd); |
2963 | SvREFCNT_dec(cpp); | |
79072805 LW |
2964 | } |
2965 | else if (!*scriptname) { | |
bbce6d69 | 2966 | forbid_setid("program input from stdin"); |
3280af22 | 2967 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2968 | } |
96436eeb | 2969 | else { |
3280af22 | 2970 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2971 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2972 | if (PL_rsfp) | |
2973 | /* ensure close-on-exec */ | |
2974 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2975 | # endif | |
96436eeb | 2976 | } |
3280af22 | 2977 | if (!PL_rsfp) { |
1b24ed4b MS |
2978 | # ifdef DOSUID |
2979 | # ifndef IAMSUID /* in case script is not readable before setuid */ | |
2980 | if (PL_euid && | |
2981 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && | |
2982 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
2983 | { | |
2984 | /* try again */ | |
62375a60 NIS |
2985 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, |
2986 | BIN_EXP, (int)PERL_REVISION, | |
1b24ed4b MS |
2987 | (int)PERL_VERSION, |
2988 | (int)PERL_SUBVERSION), PL_origargv); | |
2989 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
2990 | } | |
2991 | # endif | |
2992 | # endif | |
2993 | # ifdef IAMSUID | |
2994 | errno = EPERM; | |
2995 | Perl_croak(aTHX_ "Can't open perl script: %s\n", | |
2996 | Strerror(errno)); | |
2997 | # else | |
2998 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
2999 | CopFILE(PL_curcop), Strerror(errno)); | |
3000 | # endif | |
13281fa4 | 3001 | } |
79072805 | 3002 | } |
8d063cd8 | 3003 | |
7b89560d JH |
3004 | /* Mention |
3005 | * I_SYSSTATVFS HAS_FSTATVFS | |
3006 | * I_SYSMOUNT | |
c890dc6c | 3007 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3008 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3009 | * here so that metaconfig picks them up. */ | |
3010 | ||
104d25b7 | 3011 | #ifdef IAMSUID |
864dbfa3 | 3012 | STATIC int |
e688b231 | 3013 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 3014 | { |
0545a864 JH |
3015 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
3016 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 3017 | /* |
ad27e871 | 3018 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 3019 | * fstatvfs() is UNIX98. |
0545a864 | 3020 | * fstatfs() is 4.3 BSD. |
ad27e871 | 3021 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
3022 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
3023 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
3024 | */ |
3025 | ||
6439433f JH |
3026 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
3027 | ||
3028 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3029 | defined(HAS_FSTATVFS) | |
3030 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 3031 | struct statvfs stfs; |
6439433f | 3032 | |
104d25b7 JH |
3033 | check_okay = fstatvfs(fd, &stfs) == 0; |
3034 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
6439433f | 3035 | # endif /* fstatvfs */ |
ac27b0f5 | 3036 | |
6439433f JH |
3037 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
3038 | defined(PERL_MOUNT_NOSUID) && \ | |
3039 | defined(HAS_FSTATFS) && \ | |
3040 | defined(HAS_STRUCT_STATFS) && \ | |
3041 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
3042 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 3043 | struct statfs stfs; |
6439433f | 3044 | |
104d25b7 | 3045 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 3046 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
6439433f JH |
3047 | # endif /* fstatfs */ |
3048 | ||
3049 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3050 | defined(PERL_MOUNT_NOSUID) && \ | |
3051 | defined(HAS_FSTAT) && \ | |
3052 | defined(HAS_USTAT) && \ | |
3053 | defined(HAS_GETMNT) && \ | |
3054 | defined(HAS_STRUCT_FS_DATA) && \ | |
3055 | defined(NOSTAT_ONE) | |
3056 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 3057 | Stat_t fdst; |
6439433f | 3058 | |
0545a864 | 3059 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
3060 | struct ustat us; |
3061 | if (ustat(fdst.st_dev, &us) == 0) { | |
3062 | struct fs_data fsd; | |
3063 | /* NOSTAT_ONE here because we're not examining fields which | |
3064 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 3065 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
3066 | size_t cmplen = sizeof(us.f_fname); |
3067 | if (sizeof(fsd.fd_req.path) < cmplen) | |
3068 | cmplen = sizeof(fsd.fd_req.path); | |
3069 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
3070 | fdst.st_dev == fsd.fd_req.dev) { | |
3071 | check_okay = 1; | |
3072 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
3073 | } | |
3074 | } | |
3075 | } | |
3076 | } | |
0545a864 | 3077 | } |
6439433f JH |
3078 | # endif /* fstat+ustat+getmnt */ |
3079 | ||
3080 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3081 | defined(HAS_GETMNTENT) && \ | |
3082 | defined(HAS_HASMNTOPT) && \ | |
3083 | defined(MNTOPT_NOSUID) | |
3084 | # define FD_ON_NOSUID_CHECK_OKAY | |
3085 | FILE *mtab = fopen("/etc/mtab", "r"); | |
3086 | struct mntent *entry; | |
c623ac67 | 3087 | Stat_t stb, fsb; |
104d25b7 JH |
3088 | |
3089 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
3090 | while (entry = getmntent(mtab)) { |
3091 | if (stat(entry->mnt_dir, &fsb) == 0 | |
3092 | && fsb.st_dev == stb.st_dev) | |
3093 | { | |
3094 | /* found the filesystem */ | |
3095 | check_okay = 1; | |
3096 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
3097 | on_nosuid = 1; | |
3098 | break; | |
3099 | } /* A single fs may well fail its stat(). */ | |
3100 | } | |
104d25b7 JH |
3101 | } |
3102 | if (mtab) | |
6439433f JH |
3103 | fclose(mtab); |
3104 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 3105 | |
ac27b0f5 | 3106 | if (!check_okay) |
0545a864 | 3107 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
3108 | return on_nosuid; |
3109 | } | |
3110 | #endif /* IAMSUID */ | |
3111 | ||
76e3520e | 3112 | STATIC void |
cea2e8a9 | 3113 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 3114 | { |
155aba94 | 3115 | #ifdef IAMSUID |
96436eeb | 3116 | int which; |
155aba94 | 3117 | #endif |
96436eeb | 3118 | |
13281fa4 LW |
3119 | /* do we need to emulate setuid on scripts? */ |
3120 | ||
3121 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
3122 | * in the kernel because of a security problem. Merely defining DOSUID | |
3123 | * in perl will not fix that problem, but if you have disabled setuid | |
3124 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
3125 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
3126 | * root version must be called suidperl or sperlN.NNN. If regular perl |
3127 | * discovers that it has opened a setuid script, it calls suidperl with | |
3128 | * the same argv that it had. If suidperl finds that the script it has | |
3129 | * just opened is NOT setuid root, it sets the effective uid back to the | |
3130 | * uid. We don't just make perl setuid root because that loses the | |
3131 | * effective uid we had before invoking perl, if it was different from the | |
3132 | * uid. | |
13281fa4 LW |
3133 | * |
3134 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
3135 | * be defined in suidperl only. suidperl must be setuid root. The | |
3136 | * Configure script will set this up for you if you want it. | |
3137 | */ | |
a687059c | 3138 | |
13281fa4 | 3139 | #ifdef DOSUID |
6e72f9df | 3140 | char *s, *s2; |
a0d0e21e | 3141 | |
b28d0864 | 3142 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 3143 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 3144 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 3145 | I32 len; |
2d8e6c8d | 3146 | STRLEN n_a; |
13281fa4 | 3147 | |
a687059c | 3148 | #ifdef IAMSUID |
fe14fcc3 | 3149 | #ifndef HAS_SETREUID |
a687059c LW |
3150 | /* On this access check to make sure the directories are readable, |
3151 | * there is actually a small window that the user could use to make | |
3152 | * filename point to an accessible directory. So there is a faint | |
3153 | * chance that someone could execute a setuid script down in a | |
3154 | * non-accessible directory. I don't know what to do about that. | |
3155 | * But I don't think it's too important. The manual lies when | |
3156 | * it says access() is useful in setuid programs. | |
3157 | */ | |
cc49e20b | 3158 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 3159 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
3160 | #else |
3161 | /* If we can swap euid and uid, then we can determine access rights | |
3162 | * with a simple stat of the file, and then compare device and | |
3163 | * inode to make sure we did stat() on the same file we opened. | |
3164 | * Then we just have to make sure he or she can execute it. | |
3165 | */ | |
3166 | { | |
c623ac67 | 3167 | Stat_t tmpstatbuf; |
a687059c | 3168 | |
85e6fe83 LW |
3169 | if ( |
3170 | #ifdef HAS_SETREUID | |
b28d0864 | 3171 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
3172 | #else |
3173 | # if HAS_SETRESUID | |
b28d0864 | 3174 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 3175 | # endif |
85e6fe83 | 3176 | #endif |
b28d0864 | 3177 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3178 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 3179 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 3180 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 3181 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 3182 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 3183 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 3184 | #endif |
b28d0864 NIS |
3185 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
3186 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
3187 | (void)PerlIO_close(PL_rsfp); | |
cea2e8a9 | 3188 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3189 | } |
85e6fe83 LW |
3190 | if ( |
3191 | #ifdef HAS_SETREUID | |
b28d0864 | 3192 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
3193 | #else |
3194 | # if defined(HAS_SETRESUID) | |
b28d0864 | 3195 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 3196 | # endif |
85e6fe83 | 3197 | #endif |
b28d0864 | 3198 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 3199 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 3200 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 3201 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3202 | } |
fe14fcc3 | 3203 | #endif /* HAS_SETREUID */ |
a687059c LW |
3204 | #endif /* IAMSUID */ |
3205 | ||
b28d0864 | 3206 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 3207 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 3208 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 3209 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 3210 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 3211 | CopLINE_inc(PL_curcop); |
6b88bc9c | 3212 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 3213 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 3214 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 3215 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 3216 | if (*s == ' ') s++; |
45d8adaa | 3217 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 3218 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 3219 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
3220 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 3221 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 3222 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
3223 | /* |
3224 | * #! arg must be what we saw above. They can invoke it by | |
3225 | * mentioning suidperl explicitly, but they may not add any strange | |
3226 | * arguments beyond what #! says if they do invoke suidperl that way. | |
3227 | */ | |
3228 | len = strlen(validarg); | |
3229 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 3230 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 3231 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
3232 | |
3233 | #ifndef IAMSUID | |
b28d0864 NIS |
3234 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
3235 | PL_euid == PL_statbuf.st_uid) | |
3236 | if (!PL_do_undump) | |
cea2e8a9 | 3237 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3238 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3239 | #endif /* IAMSUID */ | |
13281fa4 | 3240 | |
b28d0864 NIS |
3241 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
3242 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 3243 | #ifndef IAMSUID |
46fc3d4c | 3244 | /* try again */ |
a7cb1f99 | 3245 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3246 | (int)PERL_REVISION, (int)PERL_VERSION, |
3247 | (int)PERL_SUBVERSION), PL_origargv); | |
13281fa4 | 3248 | #endif |
cea2e8a9 | 3249 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
3250 | } |
3251 | ||
b28d0864 | 3252 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 3253 | #ifdef HAS_SETEGID |
b28d0864 | 3254 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 3255 | #else |
fe14fcc3 | 3256 | #ifdef HAS_SETREGID |
b28d0864 | 3257 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
3258 | #else |
3259 | #ifdef HAS_SETRESGID | |
b28d0864 | 3260 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 3261 | #else |
b28d0864 | 3262 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
3263 | #endif |
3264 | #endif | |
85e6fe83 | 3265 | #endif |
b28d0864 | 3266 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 3267 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 3268 | } |
b28d0864 NIS |
3269 | if (PL_statbuf.st_mode & S_ISUID) { |
3270 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 3271 | #ifdef HAS_SETEUID |
b28d0864 | 3272 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 3273 | #else |
fe14fcc3 | 3274 | #ifdef HAS_SETREUID |
b28d0864 | 3275 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
3276 | #else |
3277 | #ifdef HAS_SETRESUID | |
b28d0864 | 3278 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 3279 | #else |
b28d0864 | 3280 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
3281 | #endif |
3282 | #endif | |
85e6fe83 | 3283 | #endif |
b28d0864 | 3284 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 3285 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 3286 | } |
b28d0864 | 3287 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 3288 | #ifdef HAS_SETEUID |
b28d0864 | 3289 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 3290 | #else |
fe14fcc3 | 3291 | #ifdef HAS_SETREUID |
b28d0864 | 3292 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 3293 | #else |
85e6fe83 | 3294 | #ifdef HAS_SETRESUID |
b28d0864 | 3295 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 3296 | #else |
b28d0864 | 3297 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 3298 | #endif |
a687059c LW |
3299 | #endif |
3300 | #endif | |
b28d0864 | 3301 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3302 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 3303 | } |
748a9306 | 3304 | init_ids(); |
b28d0864 | 3305 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 3306 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
3307 | } |
3308 | #ifdef IAMSUID | |
6b88bc9c | 3309 | else if (PL_preprocess) |
cea2e8a9 | 3310 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 3311 | else if (fdscript >= 0) |
cea2e8a9 | 3312 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 3313 | else |
cea2e8a9 | 3314 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 3315 | |
3316 | /* We absolutely must clear out any saved ids here, so we */ | |
3317 | /* exec the real perl, substituting fd script for scriptname. */ | |
3318 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
3319 | PerlIO_rewind(PL_rsfp); |
3320 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
3321 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
3322 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
3323 | Perl_croak(aTHX_ "Permission denied"); |
3324 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 3325 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 3326 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 3327 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 3328 | #endif |
a7cb1f99 | 3329 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3330 | (int)PERL_REVISION, (int)PERL_VERSION, |
3331 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
cea2e8a9 | 3332 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 3333 | #endif /* IAMSUID */ |
a687059c | 3334 | #else /* !DOSUID */ |
3280af22 | 3335 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 3336 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
3337 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
3338 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 3339 | || |
b28d0864 | 3340 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3341 | ) |
b28d0864 | 3342 | if (!PL_do_undump) |
cea2e8a9 | 3343 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3344 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3345 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
3346 | /* not set-id, must be wrapped */ | |
a687059c | 3347 | } |
13281fa4 | 3348 | #endif /* DOSUID */ |
79072805 | 3349 | } |
13281fa4 | 3350 | |
76e3520e | 3351 | STATIC void |
cea2e8a9 | 3352 | S_find_beginning(pTHX) |
79072805 | 3353 | { |
6e72f9df | 3354 | register char *s, *s2; |
e55ac0fa HS |
3355 | #ifdef MACOS_TRADITIONAL |
3356 | int maclines = 0; | |
3357 | #endif | |
33b78306 LW |
3358 | |
3359 | /* skip forward in input to the real script? */ | |
3360 | ||
bbce6d69 | 3361 | forbid_setid("-x"); |
bf4acbe4 | 3362 | #ifdef MACOS_TRADITIONAL |
084592ab | 3363 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 3364 | |
bf4acbe4 GS |
3365 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
3366 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) { | |
3367 | if (!gMacPerl_AlwaysExtract) | |
3368 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 3369 | |
bf4acbe4 GS |
3370 | if (PL_doextract) /* require explicit override ? */ |
3371 | if (!OverrideExtract(PL_origfilename)) | |
3372 | Perl_croak(aTHX_ "User aborted script\n"); | |
3373 | else | |
3374 | PL_doextract = FALSE; | |
e55ac0fa | 3375 | |
bf4acbe4 GS |
3376 | /* Pater peccavi, file does not have #! */ |
3377 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 3378 | |
bf4acbe4 GS |
3379 | break; |
3380 | } | |
3381 | #else | |
3280af22 NIS |
3382 | while (PL_doextract) { |
3383 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 3384 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 3385 | #endif |
4f0c37ba IZ |
3386 | s2 = s; |
3387 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
3388 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
3389 | PL_doextract = FALSE; | |
6e72f9df | 3390 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3391 | s2 = s; | |
3392 | while (*s == ' ' || *s == '\t') s++; | |
3393 | if (*s++ == '-') { | |
3394 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
3395 | if (strnEQ(s2-4,"perl",4)) | |
3396 | /*SUPPRESS 530*/ | |
155aba94 GS |
3397 | while ((s = moreswitches(s))) |
3398 | ; | |
33b78306 | 3399 | } |
95e8664e | 3400 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
3401 | /* We are always searching for the #!perl line in MacPerl, |
3402 | * so if we find it, still keep the line count correct | |
3403 | * by counting lines we already skipped over | |
3404 | */ | |
3405 | for (; maclines > 0 ; maclines--) | |
3406 | PerlIO_ungetc(PL_rsfp, '\n'); | |
3407 | ||
95e8664e | 3408 | break; |
e55ac0fa HS |
3409 | |
3410 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
3411 | } else if (gMacPerl_AlwaysExtract) { | |
3412 | ++maclines; | |
95e8664e | 3413 | #endif |
83025b21 LW |
3414 | } |
3415 | } | |
3416 | } | |
3417 | ||
afe37c7d | 3418 | |
76e3520e | 3419 | STATIC void |
cea2e8a9 | 3420 | S_init_ids(pTHX) |
352d5a3a | 3421 | { |
d8eceb89 JH |
3422 | PL_uid = PerlProc_getuid(); |
3423 | PL_euid = PerlProc_geteuid(); | |
3424 | PL_gid = PerlProc_getgid(); | |
3425 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3426 | #ifdef VMS |
b28d0864 NIS |
3427 | PL_uid |= PL_gid << 16; |
3428 | PL_euid |= PL_egid << 16; | |
748a9306 | 3429 | #endif |
22f7c9c9 JH |
3430 | /* Should not happen: */ |
3431 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 3432 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 3433 | } |
79072805 | 3434 | |
a0643315 JH |
3435 | /* This is used very early in the lifetime of the program, |
3436 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3437 | * not been initialized properly. */ |
af419de7 | 3438 | bool |
22f7c9c9 JH |
3439 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
3440 | { | |
c3446a78 JH |
3441 | #ifndef PERL_IMPLICIT_SYS |
3442 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3443 | * before we have an interpreter-- and the whole point of this | |
3444 | * function is to be called at such an early stage. If you are on | |
3445 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3446 | * "tainted because running with altered effective ids', you'll | |
3447 | * have to add your own checks somewhere in here. The two most | |
3448 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3449 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3450 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3451 | int euid = PerlProc_geteuid(); |
af419de7 | 3452 | int gid = PerlProc_getgid(); |
22f7c9c9 JH |
3453 | int egid = PerlProc_getegid(); |
3454 | ||
3455 | #ifdef VMS | |
af419de7 | 3456 | uid |= gid << 16; |
22f7c9c9 JH |
3457 | euid |= egid << 16; |
3458 | #endif | |
3459 | if (uid && (euid != uid || egid != gid)) | |
3460 | return 1; | |
c3446a78 | 3461 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3462 | /* This is a really primitive check; environment gets ignored only |
3463 | * if -T are the first chars together; otherwise one gets | |
3464 | * "Too late" message. */ | |
22f7c9c9 JH |
3465 | if ( argc > 1 && argv[1][0] == '-' |
3466 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3467 | return 1; | |
3468 | return 0; | |
3469 | } | |
22f7c9c9 | 3470 | |
76e3520e | 3471 | STATIC void |
cea2e8a9 | 3472 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 3473 | { |
3280af22 | 3474 | if (PL_euid != PL_uid) |
cea2e8a9 | 3475 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 3476 | if (PL_egid != PL_gid) |
cea2e8a9 | 3477 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 3478 | } |
3479 | ||
1ee4443e IZ |
3480 | void |
3481 | Perl_init_debugger(pTHX) | |
748a9306 | 3482 | { |
1ee4443e IZ |
3483 | HV *ostash = PL_curstash; |
3484 | ||
3280af22 | 3485 | PL_curstash = PL_debstash; |
7619c85e | 3486 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("DB::args", GV_ADDMULTI, SVt_PVAV)))); |
3280af22 | 3487 | AvREAL_off(PL_dbargs); |
7619c85e RG |
3488 | PL_DBgv = gv_fetchpv("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3489 | PL_DBline = gv_fetchpv("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3490 | PL_DBsub = gv_HVadd(gv_fetchpv("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 3491 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
7619c85e | 3492 | PL_DBsingle = GvSV((gv_fetchpv("DB::single", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3493 | sv_setiv(PL_DBsingle, 0); |
7619c85e | 3494 | PL_DBtrace = GvSV((gv_fetchpv("DB::trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3495 | sv_setiv(PL_DBtrace, 0); |
7619c85e | 3496 | PL_DBsignal = GvSV((gv_fetchpv("DB::signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3497 | sv_setiv(PL_DBsignal, 0); |
06492da6 SF |
3498 | PL_DBassertion = GvSV((gv_fetchpv("assertion", GV_ADDMULTI, SVt_PV))); |
3499 | sv_setiv(PL_DBassertion, 0); | |
1ee4443e | 3500 | PL_curstash = ostash; |
352d5a3a LW |
3501 | } |
3502 | ||
2ce36478 SM |
3503 | #ifndef STRESS_REALLOC |
3504 | #define REASONABLE(size) (size) | |
3505 | #else | |
3506 | #define REASONABLE(size) (1) /* unreasonable */ | |
3507 | #endif | |
3508 | ||
11343788 | 3509 | void |
cea2e8a9 | 3510 | Perl_init_stacks(pTHX) |
79072805 | 3511 | { |
e336de0d | 3512 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3513 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3514 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3515 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3516 | PL_curstack = PL_curstackinfo->si_stack; | |
3517 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3518 | |
3280af22 NIS |
3519 | PL_stack_base = AvARRAY(PL_curstack); |
3520 | PL_stack_sp = PL_stack_base; | |
3521 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3522 | |
3280af22 NIS |
3523 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
3524 | PL_tmps_floor = -1; | |
3525 | PL_tmps_ix = -1; | |
3526 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3527 | |
3280af22 NIS |
3528 | New(54,PL_markstack,REASONABLE(32),I32); |
3529 | PL_markstack_ptr = PL_markstack; | |
3530 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3531 | |
ce2f7c3b | 3532 | SET_MARK_OFFSET; |
e336de0d | 3533 | |
3280af22 NIS |
3534 | New(54,PL_scopestack,REASONABLE(32),I32); |
3535 | PL_scopestack_ix = 0; | |
3536 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3537 | |
3280af22 NIS |
3538 | New(54,PL_savestack,REASONABLE(128),ANY); |
3539 | PL_savestack_ix = 0; | |
3540 | PL_savestack_max = REASONABLE(128); | |
79072805 | 3541 | |
3280af22 NIS |
3542 | New(54,PL_retstack,REASONABLE(16),OP*); |
3543 | PL_retstack_ix = 0; | |
3544 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 3545 | } |
33b78306 | 3546 | |
2ce36478 SM |
3547 | #undef REASONABLE |
3548 | ||
76e3520e | 3549 | STATIC void |
cea2e8a9 | 3550 | S_nuke_stacks(pTHX) |
6e72f9df | 3551 | { |
3280af22 NIS |
3552 | while (PL_curstackinfo->si_next) |
3553 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3554 | while (PL_curstackinfo) { | |
3555 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3556 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3557 | Safefree(PL_curstackinfo->si_cxstack); |
3558 | Safefree(PL_curstackinfo); | |
3559 | PL_curstackinfo = p; | |
e336de0d | 3560 | } |
3280af22 NIS |
3561 | Safefree(PL_tmps_stack); |
3562 | Safefree(PL_markstack); | |
3563 | Safefree(PL_scopestack); | |
3564 | Safefree(PL_savestack); | |
3565 | Safefree(PL_retstack); | |
378cc40b | 3566 | } |
33b78306 | 3567 | |
76e3520e | 3568 | STATIC void |
cea2e8a9 | 3569 | S_init_lexer(pTHX) |
8990e307 | 3570 | { |
06039172 | 3571 | PerlIO *tmpfp; |
3280af22 NIS |
3572 | tmpfp = PL_rsfp; |
3573 | PL_rsfp = Nullfp; | |
3574 | lex_start(PL_linestr); | |
3575 | PL_rsfp = tmpfp; | |
79cb57f6 | 3576 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3577 | } |
3578 | ||
76e3520e | 3579 | STATIC void |
cea2e8a9 | 3580 | S_init_predump_symbols(pTHX) |
45d8adaa | 3581 | { |
93a17b20 | 3582 | GV *tmpgv; |
af8c498a | 3583 | IO *io; |
79072805 | 3584 | |
864dbfa3 | 3585 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3586 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3587 | GvMULTI_on(PL_stdingv); | |
af8c498a | 3588 | io = GvIOp(PL_stdingv); |
a04651f4 | 3589 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3590 | IoIFP(io) = PerlIO_stdin(); |
adbc6bb1 | 3591 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3592 | GvMULTI_on(tmpgv); |
af8c498a | 3593 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3594 | |
85e6fe83 | 3595 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3596 | GvMULTI_on(tmpgv); |
af8c498a | 3597 | io = GvIOp(tmpgv); |
a04651f4 | 3598 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3599 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3600 | setdefout(tmpgv); |
adbc6bb1 | 3601 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3602 | GvMULTI_on(tmpgv); |
af8c498a | 3603 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3604 | |
bf49b057 GS |
3605 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3606 | GvMULTI_on(PL_stderrgv); | |
3607 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3608 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3609 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3610 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3611 | GvMULTI_on(tmpgv); |
af8c498a | 3612 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3613 | |
3280af22 | 3614 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3615 | |
bf4acbe4 GS |
3616 | if (PL_osname) |
3617 | Safefree(PL_osname); | |
3618 | PL_osname = savepv(OSNAME); | |
79072805 | 3619 | } |
33b78306 | 3620 | |
a11ec5a9 RGS |
3621 | void |
3622 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) | |
33b78306 | 3623 | { |
79072805 | 3624 | char *s; |
79072805 | 3625 | argc--,argv++; /* skip name of script */ |
3280af22 | 3626 | if (PL_doswitches) { |
79072805 LW |
3627 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3628 | if (!argv[0][1]) | |
3629 | break; | |
379d538a | 3630 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3631 | argc--,argv++; |
3632 | break; | |
3633 | } | |
155aba94 | 3634 | if ((s = strchr(argv[0], '='))) { |
79072805 | 3635 | *s++ = '\0'; |
85e6fe83 | 3636 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3637 | } |
3638 | else | |
85e6fe83 | 3639 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3640 | } |
79072805 | 3641 | } |
a11ec5a9 RGS |
3642 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
3643 | GvMULTI_on(PL_argvgv); | |
3644 | (void)gv_AVadd(PL_argvgv); | |
3645 | av_clear(GvAVn(PL_argvgv)); | |
3646 | for (; argc > 0; argc--,argv++) { | |
3647 | SV *sv = newSVpv(argv[0],0); | |
3648 | av_push(GvAVn(PL_argvgv),sv); | |
ce81ff12 JH |
3649 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
3650 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
3651 | SvUTF8_on(sv); | |
3652 | } | |
a05d7ebb JH |
3653 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
3654 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
3655 | } |
3656 | } | |
3657 | } | |
3658 | ||
04fee9b5 NIS |
3659 | #ifdef HAS_PROCSELFEXE |
3660 | /* This is a function so that we don't hold on to MAXPATHLEN | |
8338e367 | 3661 | bytes of stack longer than necessary |
04fee9b5 NIS |
3662 | */ |
3663 | STATIC void | |
3664 | S_procself_val(pTHX_ SV *sv, char *arg0) | |
3665 | { | |
3666 | char buf[MAXPATHLEN]; | |
d13a6521 | 3667 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); |
75745e22 TJ |
3668 | |
3669 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
3670 | includes a spurious NUL which will cause $^X to fail in system | |
3671 | or backticks (this will prevent extensions from being built and | |
3672 | many tests from working). readlink is not meant to add a NUL. | |
3673 | Normal readlink works fine. | |
3674 | */ | |
3675 | if (len > 0 && buf[len-1] == '\0') { | |
3676 | len--; | |
3677 | } | |
3678 | ||
d103ec31 JH |
3679 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes |
3680 | returning the text "unknown" from the readlink rather than the path | |
78cb7c00 | 3681 | to the executable (or returning an error from the readlink). Any valid |
d103ec31 JH |
3682 | path has a '/' in it somewhere, so use that to validate the result. |
3683 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
3684 | */ | |
78cb7c00 | 3685 | if (len > 0 && memchr(buf, '/', len)) { |
04fee9b5 NIS |
3686 | sv_setpvn(sv,buf,len); |
3687 | } | |
3688 | else { | |
3689 | sv_setpv(sv,arg0); | |
3690 | } | |
3691 | } | |
3692 | #endif /* HAS_PROCSELFEXE */ | |
3693 | ||
a11ec5a9 RGS |
3694 | STATIC void |
3695 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
3696 | { | |
3697 | char *s; | |
3698 | SV *sv; | |
3699 | GV* tmpgv; | |
a11ec5a9 | 3700 | |
3280af22 NIS |
3701 | PL_toptarget = NEWSV(0,0); |
3702 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3703 | sv_setpvn(PL_toptarget, "", 0); | |
3704 | PL_bodytarget = NEWSV(0,0); | |
3705 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3706 | sv_setpvn(PL_bodytarget, "", 0); | |
3707 | PL_formtarget = PL_bodytarget; | |
79072805 | 3708 | |
bbce6d69 | 3709 | TAINT; |
a11ec5a9 RGS |
3710 | |
3711 | init_argv_symbols(argc,argv); | |
3712 | ||
155aba94 | 3713 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) { |
bf4acbe4 GS |
3714 | #ifdef MACOS_TRADITIONAL |
3715 | /* $0 is not majick on a Mac */ | |
3716 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
3717 | #else | |
3280af22 | 3718 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 3719 | magicname("0", "0", 1); |
bf4acbe4 | 3720 | #endif |
79072805 | 3721 | } |
04fee9b5 NIS |
3722 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) {/* $^X */ |
3723 | #ifdef HAS_PROCSELFEXE | |
3724 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
3725 | #else | |
8338e367 | 3726 | #ifdef OS2 |
23da6c43 | 3727 | sv_setpv(GvSV(tmpgv), os2_execname(aTHX)); |
8338e367 JH |
3728 | #else |
3729 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); | |
3730 | #endif | |
04fee9b5 NIS |
3731 | #endif |
3732 | } | |
155aba94 | 3733 | if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) { |
79072805 | 3734 | HV *hv; |
3280af22 NIS |
3735 | GvMULTI_on(PL_envgv); |
3736 | hv = GvHVn(PL_envgv); | |
14befaf4 | 3737 | hv_magic(hv, Nullgv, PERL_MAGIC_env); |
fa6a1c44 | 3738 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
3739 | /* Note that if the supplied env parameter is actually a copy |
3740 | of the global environ then it may now point to free'd memory | |
3741 | if the environment has been modified since. To avoid this | |
3742 | problem we treat env==NULL as meaning 'use the default' | |
3743 | */ | |
3744 | if (!env) | |
3745 | env = environ; | |
4efc5df6 GS |
3746 | if (env != environ |
3747 | # ifdef USE_ITHREADS | |
3748 | && PL_curinterp == aTHX | |
3749 | # endif | |
3750 | ) | |
3751 | { | |
79072805 | 3752 | environ[0] = Nullch; |
4efc5df6 | 3753 | } |
764df951 IZ |
3754 | if (env) |
3755 | for (; *env; env++) { | |
93a17b20 | 3756 | if (!(s = strchr(*env,'='))) |
79072805 | 3757 | continue; |
60ce6247 | 3758 | #if defined(MSDOS) |
61968511 | 3759 | *s = '\0'; |
137443ea | 3760 | (void)strupr(*env); |
61968511 | 3761 | *s = '='; |
137443ea | 3762 | #endif |
61968511 | 3763 | sv = newSVpv(s+1, 0); |
79072805 | 3764 | (void)hv_store(hv, *env, s - *env, sv, 0); |
61968511 GA |
3765 | if (env != environ) |
3766 | mg_set(sv); | |
764df951 | 3767 | } |
103a7189 | 3768 | #endif /* USE_ENVIRON_ARRAY */ |
79072805 | 3769 | } |
bbce6d69 | 3770 | TAINT_NOT; |
306196c3 MS |
3771 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) { |
3772 | SvREADONLY_off(GvSV(tmpgv)); | |
7766f137 | 3773 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3774 | SvREADONLY_on(GvSV(tmpgv)); |
3775 | } | |
4d76a344 RGS |
3776 | #ifdef THREADS_HAVE_PIDS |
3777 | PL_ppid = (IV)getppid(); | |
3778 | #endif | |
2710853f MJD |
3779 | |
3780 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
3781 | if (PL_minus_a) { | |
3782 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
3783 | } | |
3784 | /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */ | |
3785 | (void) get_av("main::-", TRUE | GV_ADDMULTI); | |
3786 | (void) get_av("main::+", TRUE | GV_ADDMULTI); | |
33b78306 | 3787 | } |
34de22dd | 3788 | |
76e3520e | 3789 | STATIC void |
cea2e8a9 | 3790 | S_init_perllib(pTHX) |
34de22dd | 3791 | { |
85e6fe83 | 3792 | char *s; |
3280af22 | 3793 | if (!PL_tainting) { |
552a7a9b | 3794 | #ifndef VMS |
76e3520e | 3795 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 3796 | if (s) |
574c798a | 3797 | incpush(s, TRUE, TRUE, TRUE); |
85e6fe83 | 3798 | else |
574c798a | 3799 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE); |
552a7a9b | 3800 | #else /* VMS */ |
3801 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
3802 | * "natural" VMS idiom for a Unix path string. We allow each | |
3803 | * element to be a set of |-separated directories for compatibility. | |
3804 | */ | |
3805 | char buf[256]; | |
3806 | int idx = 0; | |
3807 | if (my_trnlnm("PERL5LIB",buf,0)) | |
574c798a | 3808 | do { incpush(buf,TRUE,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 3809 | else |
574c798a | 3810 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE); |
552a7a9b | 3811 | #endif /* VMS */ |
85e6fe83 | 3812 | } |
34de22dd | 3813 | |
c90c0ff4 | 3814 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 3815 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 3816 | */ |
4633a7c4 | 3817 | #ifdef APPLLIB_EXP |
574c798a | 3818 | incpush(APPLLIB_EXP, TRUE, TRUE, TRUE); |
16d20bd9 | 3819 | #endif |
4633a7c4 | 3820 | |
fed7345c | 3821 | #ifdef ARCHLIB_EXP |
574c798a | 3822 | incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE); |
a0d0e21e | 3823 | #endif |
bf4acbe4 GS |
3824 | #ifdef MACOS_TRADITIONAL |
3825 | { | |
c623ac67 | 3826 | Stat_t tmpstatbuf; |
bf4acbe4 GS |
3827 | SV * privdir = NEWSV(55, 0); |
3828 | char * macperl = PerlEnv_getenv("MACPERL"); | |
3829 | ||
3830 | if (!macperl) | |
3831 | macperl = ""; | |
3832 | ||
3833 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
3834 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
574c798a | 3835 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE); |
bf4acbe4 GS |
3836 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); |
3837 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
574c798a | 3838 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE); |
ac27b0f5 | 3839 | |
bf4acbe4 GS |
3840 | SvREFCNT_dec(privdir); |
3841 | } | |
3842 | if (!PL_tainting) | |
574c798a | 3843 | incpush(":", FALSE, FALSE, TRUE); |
bf4acbe4 | 3844 | #else |
fed7345c | 3845 | #ifndef PRIVLIB_EXP |
65f19062 | 3846 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 3847 | #endif |
ac27b0f5 | 3848 | #if defined(WIN32) |
574c798a | 3849 | incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE); |
00dc2f4f | 3850 | #else |
574c798a | 3851 | incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE); |
00dc2f4f | 3852 | #endif |
4633a7c4 | 3853 | |
65f19062 | 3854 | #ifdef SITEARCH_EXP |
3b290362 GS |
3855 | /* sitearch is always relative to sitelib on Windows for |
3856 | * DLL-based path intuition to work correctly */ | |
3857 | # if !defined(WIN32) | |
574c798a | 3858 | incpush(SITEARCH_EXP, FALSE, FALSE, TRUE); |
65f19062 GS |
3859 | # endif |
3860 | #endif | |
3861 | ||
4633a7c4 | 3862 | #ifdef SITELIB_EXP |
65f19062 | 3863 | # if defined(WIN32) |
574c798a SR |
3864 | /* this picks up sitearch as well */ |
3865 | incpush(SITELIB_EXP, TRUE, FALSE, TRUE); | |
65f19062 | 3866 | # else |
574c798a | 3867 | incpush(SITELIB_EXP, FALSE, FALSE, TRUE); |
65f19062 GS |
3868 | # endif |
3869 | #endif | |
189d1e8d | 3870 | |
65f19062 | 3871 | #ifdef SITELIB_STEM /* Search for version-specific dirs below here */ |
574c798a | 3872 | incpush(SITELIB_STEM, FALSE, TRUE, TRUE); |
81c6dfba | 3873 | #endif |
65f19062 GS |
3874 | |
3875 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 3876 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
3877 | * DLL-based path intuition to work correctly */ |
3878 | # if !defined(WIN32) | |
574c798a | 3879 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE); |
65f19062 | 3880 | # endif |
4b03c463 | 3881 | #endif |
65f19062 GS |
3882 | |
3883 | #ifdef PERL_VENDORLIB_EXP | |
3884 | # if defined(WIN32) | |
574c798a | 3885 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE); /* this picks up vendorarch as well */ |
65f19062 | 3886 | # else |
574c798a | 3887 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE); |
65f19062 | 3888 | # endif |
a3635516 | 3889 | #endif |
65f19062 GS |
3890 | |
3891 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
574c798a | 3892 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE); |
00dc2f4f | 3893 | #endif |
65f19062 | 3894 | |
3b777bb4 | 3895 | #ifdef PERL_OTHERLIBDIRS |
574c798a | 3896 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE); |
3b777bb4 GS |
3897 | #endif |
3898 | ||
3280af22 | 3899 | if (!PL_tainting) |
574c798a | 3900 | incpush(".", FALSE, FALSE, TRUE); |
bf4acbe4 | 3901 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 3902 | } |
3903 | ||
ed79a026 | 3904 | #if defined(DOSISH) || defined(EPOC) |
774d564b | 3905 | # define PERLLIB_SEP ';' |
3906 | #else | |
3907 | # if defined(VMS) | |
3908 | # define PERLLIB_SEP '|' | |
3909 | # else | |
bf4acbe4 GS |
3910 | # if defined(MACOS_TRADITIONAL) |
3911 | # define PERLLIB_SEP ',' | |
3912 | # else | |
3913 | # define PERLLIB_SEP ':' | |
3914 | # endif | |
774d564b | 3915 | # endif |
3916 | #endif | |
3917 | #ifndef PERLLIB_MANGLE | |
3918 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 3919 | #endif |
774d564b | 3920 | |
76e3520e | 3921 | STATIC void |
574c798a | 3922 | S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers, int usesep) |
774d564b | 3923 | { |
3924 | SV *subdir = Nullsv; | |
774d564b | 3925 | |
3b290362 | 3926 | if (!p || !*p) |
774d564b | 3927 | return; |
3928 | ||
9c8a64f0 | 3929 | if (addsubdirs || addoldvers) { |
00db4c45 | 3930 | subdir = sv_newmortal(); |
774d564b | 3931 | } |
3932 | ||
3933 | /* Break at all separators */ | |
3934 | while (p && *p) { | |
8c52afec | 3935 | SV *libdir = NEWSV(55,0); |
774d564b | 3936 | char *s; |
3937 | ||
3938 | /* skip any consecutive separators */ | |
574c798a SR |
3939 | if (usesep) { |
3940 | while ( *p == PERLLIB_SEP ) { | |
3941 | /* Uncomment the next line for PATH semantics */ | |
3942 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ | |
3943 | p++; | |
3944 | } | |
774d564b | 3945 | } |
3946 | ||
574c798a | 3947 | if ( usesep && (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
774d564b | 3948 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
3949 | (STRLEN)(s - p)); | |
3950 | p = s + 1; | |
3951 | } | |
3952 | else { | |
3953 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
3954 | p = Nullch; /* break out */ | |
3955 | } | |
bf4acbe4 | 3956 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
3957 | if (!strchr(SvPVX(libdir), ':')) { |
3958 | char buf[256]; | |
3959 | ||
3960 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
3961 | } | |
bf4acbe4 GS |
3962 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
3963 | sv_catpv(libdir, ":"); | |
3964 | #endif | |
774d564b | 3965 | |
3966 | /* | |
3967 | * BEFORE pushing libdir onto @INC we may first push version- and | |
3968 | * archname-specific sub-directories. | |
3969 | */ | |
9c8a64f0 | 3970 | if (addsubdirs || addoldvers) { |
29d82f8d | 3971 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
3972 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
3973 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
3974 | const char **incver; |
3975 | #endif | |
c623ac67 | 3976 | Stat_t tmpstatbuf; |
aa689395 | 3977 | #ifdef VMS |
3978 | char *unix; | |
3979 | STRLEN len; | |
774d564b | 3980 | |
2d8e6c8d | 3981 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 3982 | len = strlen(unix); |
3983 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
3984 | sv_usepvn(libdir,unix,len); | |
3985 | } | |
3986 | else | |
bf49b057 | 3987 | PerlIO_printf(Perl_error_log, |
aa689395 | 3988 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 3989 | SvPV(libdir,len)); |
aa689395 | 3990 | #endif |
9c8a64f0 | 3991 | if (addsubdirs) { |
bf4acbe4 GS |
3992 | #ifdef MACOS_TRADITIONAL |
3993 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
3994 | #define PERL_ARCH_FMT "%s:" |
3995 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
3996 | #else |
3997 | #define PERL_AV_SUFFIX_FMT "/" | |
3998 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 3999 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 4000 | #endif |
9c8a64f0 | 4001 | /* .../version/archname if -d .../version/archname */ |
084592ab | 4002 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
9c8a64f0 GS |
4003 | libdir, |
4004 | (int)PERL_REVISION, (int)PERL_VERSION, | |
4005 | (int)PERL_SUBVERSION, ARCHNAME); | |
4006 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
4007 | S_ISDIR(tmpstatbuf.st_mode)) | |
4008 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4b03c463 | 4009 | |
9c8a64f0 | 4010 | /* .../version if -d .../version */ |
084592ab | 4011 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, libdir, |
9c8a64f0 GS |
4012 | (int)PERL_REVISION, (int)PERL_VERSION, |
4013 | (int)PERL_SUBVERSION); | |
4014 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
4015 | S_ISDIR(tmpstatbuf.st_mode)) | |
4016 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4017 | ||
4018 | /* .../archname if -d .../archname */ | |
bf4acbe4 | 4019 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, ARCHNAME); |
29d82f8d GS |
4020 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
4021 | S_ISDIR(tmpstatbuf.st_mode)) | |
4022 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
29d82f8d | 4023 | } |
9c8a64f0 | 4024 | |
9c8a64f0 | 4025 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4026 | if (addoldvers) { |
9c8a64f0 GS |
4027 | for (incver = incverlist; *incver; incver++) { |
4028 | /* .../xxx if -d .../xxx */ | |
bf4acbe4 | 4029 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, *incver); |
9c8a64f0 GS |
4030 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
4031 | S_ISDIR(tmpstatbuf.st_mode)) | |
4032 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4033 | } | |
4034 | } | |
29d82f8d | 4035 | #endif |
774d564b | 4036 | } |
4037 | ||
4038 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 4039 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 4040 | } |
34de22dd | 4041 | } |
93a17b20 | 4042 | |
4d1ff10f | 4043 | #ifdef USE_5005THREADS |
76e3520e | 4044 | STATIC struct perl_thread * |
cea2e8a9 | 4045 | S_init_main_thread(pTHX) |
199100c8 | 4046 | { |
c5be433b | 4047 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 4048 | struct perl_thread *thr; |
cea2e8a9 | 4049 | #endif |
199100c8 MB |
4050 | XPV *xpv; |
4051 | ||
52e1cb5e | 4052 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 4053 | PL_curcop = &PL_compiling; |
c5be433b | 4054 | thr->interp = PERL_GET_INTERP; |
199100c8 | 4055 | thr->cvcache = newHV(); |
54b9620d | 4056 | thr->threadsv = newAV(); |
940cb80d | 4057 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
4058 | thr->specific = newAV(); |
4059 | thr->flags = THRf_R_JOINABLE; | |
4060 | MUTEX_INIT(&thr->mutex); | |
4061 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 4062 | New(53, PL_thrsv, 1, SV); |
199100c8 | 4063 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
4064 | SvFLAGS(PL_thrsv) = SVt_PV; |
4065 | SvANY(PL_thrsv) = (void*)xpv; | |
4066 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
4067 | SvPVX(PL_thrsv) = (char*)thr; | |
4068 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
4069 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
4070 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
4071 | thr->oursv = PL_thrsv; | |
4072 | PL_chopset = " \n-"; | |
3967c732 | 4073 | PL_dumpindent = 4; |
533c011a NIS |
4074 | |
4075 | MUTEX_LOCK(&PL_threads_mutex); | |
4076 | PL_nthreads++; | |
199100c8 MB |
4077 | thr->tid = 0; |
4078 | thr->next = thr; | |
4079 | thr->prev = thr; | |
8dcd6f7b | 4080 | thr->thr_done = 0; |
533c011a | 4081 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 4082 | |
4b026b9e | 4083 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 4084 | Perl_init_thread_intern(thr); |
235db74f GS |
4085 | #endif |
4086 | ||
4087 | #ifdef SET_THREAD_SELF | |
4088 | SET_THREAD_SELF(thr); | |
199100c8 MB |
4089 | #else |
4090 | thr->self = pthread_self(); | |
235db74f | 4091 | #endif /* SET_THREAD_SELF */ |
06d86050 | 4092 | PERL_SET_THX(thr); |
199100c8 MB |
4093 | |
4094 | /* | |
411caa50 JH |
4095 | * These must come after the thread self setting |
4096 | * because sv_setpvn does SvTAINT and the taint | |
4097 | * fields thread selfness being set. | |
199100c8 | 4098 | */ |
533c011a NIS |
4099 | PL_toptarget = NEWSV(0,0); |
4100 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
4101 | sv_setpvn(PL_toptarget, "", 0); | |
4102 | PL_bodytarget = NEWSV(0,0); | |
4103 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
4104 | sv_setpvn(PL_bodytarget, "", 0); | |
4105 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 4106 | thr->errsv = newSVpvn("", 0); |
78857c3c | 4107 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 4108 | |
533c011a | 4109 | PL_maxscream = -1; |
a2efc822 | 4110 | PL_peepp = MEMBER_TO_FPTR(Perl_peep); |
0b94c7bb GS |
4111 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
4112 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
4113 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
4114 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
4115 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
4116 | PL_regindent = 0; |
4117 | PL_reginterp_cnt = 0; | |
5c0ca799 | 4118 | |
199100c8 MB |
4119 | return thr; |
4120 | } | |
4d1ff10f | 4121 | #endif /* USE_5005THREADS */ |
199100c8 | 4122 | |
93a17b20 | 4123 | void |
864dbfa3 | 4124 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4125 | { |
971a9dd3 | 4126 | SV *atsv; |
57843af0 | 4127 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 4128 | CV *cv; |
22921e25 | 4129 | STRLEN len; |
6224f72b | 4130 | int ret; |
db36c5a1 | 4131 | dJMPENV; |
93a17b20 | 4132 | |
76e3520e | 4133 | while (AvFILL(paramList) >= 0) { |
312caa8e | 4134 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
4135 | if (PL_savebegin) { |
4136 | if (paramList == PL_beginav) { | |
059a8bb7 | 4137 | /* save PL_beginav for compiler */ |
ece599bd RGS |
4138 | if (! PL_beginav_save) |
4139 | PL_beginav_save = newAV(); | |
4140 | av_push(PL_beginav_save, (SV*)cv); | |
4141 | } | |
4142 | else if (paramList == PL_checkav) { | |
4143 | /* save PL_checkav for compiler */ | |
4144 | if (! PL_checkav_save) | |
4145 | PL_checkav_save = newAV(); | |
4146 | av_push(PL_checkav_save, (SV*)cv); | |
4147 | } | |
059a8bb7 JH |
4148 | } else { |
4149 | SAVEFREESV(cv); | |
4150 | } | |
14dd3ad8 GS |
4151 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
4152 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv); | |
4153 | #else | |
4154 | JMPENV_PUSH(ret); | |
4155 | #endif | |
6224f72b | 4156 | switch (ret) { |
312caa8e | 4157 | case 0: |
14dd3ad8 GS |
4158 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
4159 | call_list_body(cv); | |
4160 | #endif | |
971a9dd3 | 4161 | atsv = ERRSV; |
312caa8e CS |
4162 | (void)SvPV(atsv, len); |
4163 | if (len) { | |
4164 | PL_curcop = &PL_compiling; | |
57843af0 | 4165 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
4166 | if (paramList == PL_beginav) |
4167 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
4168 | else | |
4f25aa18 GS |
4169 | Perl_sv_catpvf(aTHX_ atsv, |
4170 | "%s failed--call queue aborted", | |
7d30b5c4 | 4171 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4172 | : paramList == PL_initav ? "INIT" |
4173 | : "END"); | |
312caa8e CS |
4174 | while (PL_scopestack_ix > oldscope) |
4175 | LEAVE; | |
14dd3ad8 | 4176 | JMPENV_POP; |
35c1215d | 4177 | Perl_croak(aTHX_ "%"SVf"", atsv); |
a0d0e21e | 4178 | } |
85e6fe83 | 4179 | break; |
6224f72b | 4180 | case 1: |
f86702cc | 4181 | STATUS_ALL_FAILURE; |
85e6fe83 | 4182 | /* FALL THROUGH */ |
6224f72b | 4183 | case 2: |
85e6fe83 | 4184 | /* my_exit() was called */ |
3280af22 | 4185 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4186 | LEAVE; |
84902520 | 4187 | FREETMPS; |
3280af22 | 4188 | PL_curstash = PL_defstash; |
3280af22 | 4189 | PL_curcop = &PL_compiling; |
57843af0 | 4190 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4191 | JMPENV_POP; |
cc3604b1 | 4192 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 4193 | if (paramList == PL_beginav) |
cea2e8a9 | 4194 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 4195 | else |
4f25aa18 | 4196 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 4197 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4198 | : paramList == PL_initav ? "INIT" |
4199 | : "END"); | |
85e6fe83 | 4200 | } |
f86702cc | 4201 | my_exit_jump(); |
85e6fe83 | 4202 | /* NOTREACHED */ |
6224f72b | 4203 | case 3: |
312caa8e CS |
4204 | if (PL_restartop) { |
4205 | PL_curcop = &PL_compiling; | |
57843af0 | 4206 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4207 | JMPENV_JUMP(3); |
85e6fe83 | 4208 | } |
bf49b057 | 4209 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4210 | FREETMPS; |
4211 | break; | |
8990e307 | 4212 | } |
14dd3ad8 | 4213 | JMPENV_POP; |
93a17b20 | 4214 | } |
93a17b20 | 4215 | } |
93a17b20 | 4216 | |
14dd3ad8 | 4217 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 4218 | STATIC void * |
14dd3ad8 | 4219 | S_vcall_list_body(pTHX_ va_list args) |
312caa8e | 4220 | { |
312caa8e | 4221 | CV *cv = va_arg(args, CV*); |
14dd3ad8 GS |
4222 | return call_list_body(cv); |
4223 | } | |
4224 | #endif | |
312caa8e | 4225 | |
14dd3ad8 GS |
4226 | STATIC void * |
4227 | S_call_list_body(pTHX_ CV *cv) | |
4228 | { | |
312caa8e | 4229 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 4230 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
4231 | return NULL; |
4232 | } | |
4233 | ||
f86702cc | 4234 | void |
864dbfa3 | 4235 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4236 | { |
8b73bbec | 4237 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 4238 | thr, (unsigned long) status)); |
f86702cc | 4239 | switch (status) { |
4240 | case 0: | |
4241 | STATUS_ALL_SUCCESS; | |
4242 | break; | |
4243 | case 1: | |
4244 | STATUS_ALL_FAILURE; | |
4245 | break; | |
4246 | default: | |
4247 | STATUS_NATIVE_SET(status); | |
4248 | break; | |
4249 | } | |
4250 | my_exit_jump(); | |
4251 | } | |
4252 | ||
4253 | void | |
864dbfa3 | 4254 | Perl_my_failure_exit(pTHX) |
f86702cc | 4255 | { |
4256 | #ifdef VMS | |
4257 | if (vaxc$errno & 1) { | |
4fdae800 | 4258 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
4259 | STATUS_NATIVE_SET(44); | |
f86702cc | 4260 | } |
4261 | else { | |
ff0cee69 | 4262 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 4263 | STATUS_NATIVE_SET(44); |
f86702cc | 4264 | else |
4fdae800 | 4265 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 4266 | } |
4267 | #else | |
9b599b2a | 4268 | int exitstatus; |
f86702cc | 4269 | if (errno & 255) |
4270 | STATUS_POSIX_SET(errno); | |
9b599b2a | 4271 | else { |
ac27b0f5 | 4272 | exitstatus = STATUS_POSIX >> 8; |
9b599b2a GS |
4273 | if (exitstatus & 255) |
4274 | STATUS_POSIX_SET(exitstatus); | |
4275 | else | |
4276 | STATUS_POSIX_SET(255); | |
4277 | } | |
f86702cc | 4278 | #endif |
4279 | my_exit_jump(); | |
93a17b20 LW |
4280 | } |
4281 | ||
76e3520e | 4282 | STATIC void |
cea2e8a9 | 4283 | S_my_exit_jump(pTHX) |
f86702cc | 4284 | { |
c09156bb | 4285 | register PERL_CONTEXT *cx; |
f86702cc | 4286 | I32 gimme; |
4287 | SV **newsp; | |
4288 | ||
3280af22 NIS |
4289 | if (PL_e_script) { |
4290 | SvREFCNT_dec(PL_e_script); | |
4291 | PL_e_script = Nullsv; | |
f86702cc | 4292 | } |
4293 | ||
3280af22 | 4294 | POPSTACK_TO(PL_mainstack); |
f86702cc | 4295 | if (cxstack_ix >= 0) { |
4296 | if (cxstack_ix > 0) | |
4297 | dounwind(0); | |
3280af22 | 4298 | POPBLOCK(cx,PL_curpm); |
f86702cc | 4299 | LEAVE; |
4300 | } | |
ff0cee69 | 4301 | |
6224f72b | 4302 | JMPENV_JUMP(2); |
f86702cc | 4303 | } |
873ef191 | 4304 | |
0cb96387 | 4305 | static I32 |
acfe0abc | 4306 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 GS |
4307 | { |
4308 | char *p, *nl; | |
3280af22 | 4309 | p = SvPVX(PL_e_script); |
873ef191 | 4310 | nl = strchr(p, '\n'); |
3280af22 | 4311 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4312 | if (nl-p == 0) { |
0cb96387 | 4313 | filter_del(read_e_script); |
873ef191 | 4314 | return 0; |
7dfe3f66 | 4315 | } |
873ef191 | 4316 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4317 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4318 | return 1; |
4319 | } |