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; | |
7996736c MHM |
184 | |
185 | SvREADONLY_on(&PL_sv_placeholder); | |
186 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
6e72f9df | 187 | } |
79072805 | 188 | |
cea2e8a9 | 189 | PL_sighandlerp = Perl_sighandler; |
3280af22 | 190 | PL_pidstatus = newHV(); |
79072805 LW |
191 | } |
192 | ||
8bfdd7d9 | 193 | PL_rs = newSVpvn("\n", 1); |
dc92893f | 194 | |
cea2e8a9 | 195 | init_stacks(); |
79072805 | 196 | |
748a9306 | 197 | init_ids(); |
3280af22 | 198 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 199 | |
312caa8e | 200 | JMPENV_BOOTSTRAP; |
f86702cc | 201 | STATUS_ALL_SUCCESS; |
202 | ||
0672f40e | 203 | init_i18nl10n(1); |
36477c24 | 204 | SET_NUMERIC_STANDARD(); |
0b5b802d | 205 | |
a7cb1f99 GS |
206 | { |
207 | U8 *s; | |
208 | PL_patchlevel = NEWSV(0,4); | |
155aba94 | 209 | (void)SvUPGRADE(PL_patchlevel, SVt_PVNV); |
a7cb1f99 | 210 | if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127) |
806e7201 | 211 | SvGROW(PL_patchlevel, UTF8_MAXLEN*3+1); |
a7cb1f99 | 212 | s = (U8*)SvPVX(PL_patchlevel); |
9041c2e3 NIS |
213 | /* Build version strings using "native" characters */ |
214 | s = uvchr_to_utf8(s, (UV)PERL_REVISION); | |
215 | s = uvchr_to_utf8(s, (UV)PERL_VERSION); | |
216 | s = uvchr_to_utf8(s, (UV)PERL_SUBVERSION); | |
a7cb1f99 GS |
217 | *s = '\0'; |
218 | SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel)); | |
219 | SvPOK_on(PL_patchlevel); | |
00d6e121 MB |
220 | SvNVX(PL_patchlevel) = (NV)PERL_REVISION + |
221 | ((NV)PERL_VERSION / (NV)1000) + | |
222 | ((NV)PERL_SUBVERSION / (NV)1000000); | |
a7cb1f99 GS |
223 | SvNOK_on(PL_patchlevel); /* dual valued */ |
224 | SvUTF8_on(PL_patchlevel); | |
225 | SvREADONLY_on(PL_patchlevel); | |
226 | } | |
79072805 | 227 | |
ab821d7f | 228 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 229 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 230 | #endif |
231 | ||
52853b95 GS |
232 | #ifdef HAVE_INTERP_INTERN |
233 | sys_intern_init(); | |
234 | #endif | |
235 | ||
3a1ee7e8 | 236 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 237 | |
3280af22 NIS |
238 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
239 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
24944567 | 240 | PL_errors = newSVpvn("",0); |
48c6b404 | 241 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
242 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
243 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 244 | #ifdef USE_ITHREADS |
13137afc AB |
245 | PL_regex_padav = newAV(); |
246 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
247 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 248 | #endif |
e5dd39fc | 249 | #ifdef USE_REENTRANT_API |
59bd0823 | 250 | Perl_reentrant_init(aTHX); |
e5dd39fc | 251 | #endif |
3d47000e AB |
252 | |
253 | /* Note that strtab is a rather special HV. Assumptions are made | |
254 | about not iterating on it, and not adding tie magic to it. | |
255 | It is properly deallocated in perl_destruct() */ | |
256 | PL_strtab = newHV(); | |
257 | ||
3d47000e AB |
258 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
259 | hv_ksplit(PL_strtab, 512); | |
260 | ||
0631ea03 AB |
261 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
262 | _dyld_lookup_and_bind | |
263 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
264 | #endif /* environ */ | |
265 | ||
2f42fcb0 JH |
266 | #ifndef PERL_MICRO |
267 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 268 | PL_origenviron = environ; |
2f42fcb0 | 269 | # endif |
0631ea03 AB |
270 | #endif |
271 | ||
5311654c JH |
272 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
273 | * available or if the sysconf() fails, use the HZ. */ | |
274 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) | |
275 | PL_clocktick = sysconf(_SC_CLK_TCK); | |
276 | if (PL_clocktick <= 0) | |
277 | #endif | |
278 | PL_clocktick = HZ; | |
279 | ||
081fc587 AB |
280 | PL_stashcache = newHV(); |
281 | ||
8990e307 | 282 | ENTER; |
79072805 LW |
283 | } |
284 | ||
954c1994 | 285 | /* |
62375a60 NIS |
286 | =for apidoc nothreadhook |
287 | ||
288 | Stub that provides thread hook for perl_destruct when there are | |
289 | no threads. | |
290 | ||
291 | =cut | |
292 | */ | |
293 | ||
294 | int | |
4e9e3734 | 295 | Perl_nothreadhook(pTHX) |
62375a60 NIS |
296 | { |
297 | return 0; | |
298 | } | |
299 | ||
300 | /* | |
954c1994 GS |
301 | =for apidoc perl_destruct |
302 | ||
303 | Shuts down a Perl interpreter. See L<perlembed>. | |
304 | ||
305 | =cut | |
306 | */ | |
307 | ||
31d77e54 | 308 | int |
0cb96387 | 309 | perl_destruct(pTHXx) |
79072805 | 310 | { |
7c474504 | 311 | volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 312 | HV *hv; |
4d1ff10f | 313 | #ifdef USE_5005THREADS |
cea2e8a9 | 314 | dTHX; |
4d1ff10f | 315 | #endif /* USE_5005THREADS */ |
8990e307 | 316 | |
7766f137 GS |
317 | /* wait for all pseudo-forked children to finish */ |
318 | PERL_WAIT_FOR_CHILDREN; | |
319 | ||
3280af22 | 320 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
321 | #ifdef DEBUGGING |
322 | { | |
323 | char *s; | |
155aba94 | 324 | if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) { |
5f05dabc | 325 | int i = atoi(s); |
326 | if (destruct_level < i) | |
327 | destruct_level = i; | |
328 | } | |
4633a7c4 LW |
329 | } |
330 | #endif | |
331 | ||
31d77e54 AB |
332 | |
333 | if(PL_exit_flags & PERL_EXIT_DESTRUCT_END) { | |
f3faeb53 AB |
334 | dJMPENV; |
335 | int x = 0; | |
336 | ||
337 | JMPENV_PUSH(x); | |
338 | if (PL_endav && !PL_minus_c) | |
339 | call_list(PL_scopestack_ix, PL_endav); | |
340 | JMPENV_POP; | |
26f423df | 341 | } |
f3faeb53 | 342 | LEAVE; |
a0d0e21e LW |
343 | FREETMPS; |
344 | ||
e00b64d4 | 345 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 346 | my_fflush_all(); |
e00b64d4 | 347 | |
62375a60 NIS |
348 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
349 | /* Threads hook has vetoed further cleanup */ | |
b47cad08 | 350 | return STATUS_NATIVE_EXPORT; |
62375a60 NIS |
351 | } |
352 | ||
ff0cee69 | 353 | /* We must account for everything. */ |
354 | ||
355 | /* Destroy the main CV and syntax tree */ | |
3280af22 | 356 | if (PL_main_root) { |
3280af22 NIS |
357 | op_free(PL_main_root); |
358 | PL_main_root = Nullop; | |
a0d0e21e | 359 | } |
3280af22 NIS |
360 | PL_curcop = &PL_compiling; |
361 | PL_main_start = Nullop; | |
362 | SvREFCNT_dec(PL_main_cv); | |
363 | PL_main_cv = Nullcv; | |
24d3c518 | 364 | PL_dirty = TRUE; |
ff0cee69 | 365 | |
13621cfb NIS |
366 | /* Tell PerlIO we are about to tear things apart in case |
367 | we have layers which are using resources that should | |
368 | be cleaned up now. | |
369 | */ | |
370 | ||
371 | PerlIO_destruct(aTHX); | |
372 | ||
3280af22 | 373 | if (PL_sv_objcount) { |
a0d0e21e LW |
374 | /* |
375 | * Try to destruct global references. We do this first so that the | |
376 | * destructors and destructees still exist. Some sv's might remain. | |
377 | * Non-referenced objects are on their own. | |
378 | */ | |
a0d0e21e | 379 | sv_clean_objs(); |
8990e307 LW |
380 | } |
381 | ||
5cd24f17 | 382 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
383 | SvREFCNT_dec(PL_warnhook); |
384 | PL_warnhook = Nullsv; | |
385 | SvREFCNT_dec(PL_diehook); | |
386 | PL_diehook = Nullsv; | |
5cd24f17 | 387 | |
4b556e6c | 388 | /* call exit list functions */ |
3280af22 | 389 | while (PL_exitlistlen-- > 0) |
acfe0abc | 390 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 391 | |
3280af22 | 392 | Safefree(PL_exitlist); |
4b556e6c | 393 | |
1c4916e5 CB |
394 | PL_exitlist = NULL; |
395 | PL_exitlistlen = 0; | |
396 | ||
a0d0e21e | 397 | if (destruct_level == 0){ |
8990e307 | 398 | |
a0d0e21e | 399 | DEBUG_P(debprofdump()); |
ac27b0f5 | 400 | |
56a2bab7 NIS |
401 | #if defined(PERLIO_LAYERS) |
402 | /* No more IO - including error messages ! */ | |
403 | PerlIO_cleanup(aTHX); | |
404 | #endif | |
405 | ||
a0d0e21e | 406 | /* The exit() function will do everything that needs doing. */ |
b47cad08 | 407 | return STATUS_NATIVE_EXPORT; |
a0d0e21e | 408 | } |
5dd60ef7 | 409 | |
551a8b83 | 410 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
411 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
412 | * so we certainly shouldn't free it here | |
413 | */ | |
2f42fcb0 | 414 | #ifndef PERL_MICRO |
4b647fb0 | 415 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
4efc5df6 GS |
416 | if (environ != PL_origenviron |
417 | #ifdef USE_ITHREADS | |
418 | /* only main thread can free environ[0] contents */ | |
419 | && PL_curinterp == aTHX | |
420 | #endif | |
421 | ) | |
422 | { | |
551a8b83 JH |
423 | I32 i; |
424 | ||
425 | for (i = 0; environ[i]; i++) | |
4b420006 | 426 | safesysfree(environ[i]); |
0631ea03 | 427 | |
4b420006 JH |
428 | /* Must use safesysfree() when working with environ. */ |
429 | safesysfree(environ); | |
551a8b83 JH |
430 | |
431 | environ = PL_origenviron; | |
432 | } | |
433 | #endif | |
2f42fcb0 | 434 | #endif /* !PERL_MICRO */ |
551a8b83 | 435 | |
5f8cb046 DM |
436 | #ifdef USE_ITHREADS |
437 | /* the syntax tree is shared between clones | |
438 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
439 | * REGEXPs in the parent interpreter | |
440 | * we need to manually ReREFCNT_dec for the clones | |
441 | */ | |
442 | { | |
443 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
444 | SV **ary = AvARRAY(PL_regex_padav); | |
445 | ||
446 | while (i) { | |
35061a7e | 447 | SV *resv = ary[--i]; |
ba89bb6e | 448 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); |
35061a7e DM |
449 | |
450 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 451 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
452 | * flag is set in regexec.c:S_regtry |
453 | */ | |
454 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 455 | } |
1cc8b4c5 AB |
456 | else if(SvREPADTMP(resv)) { |
457 | SvREPADTMP_off(resv); | |
458 | } | |
35061a7e | 459 | else { |
5f8cb046 DM |
460 | ReREFCNT_dec(re); |
461 | } | |
462 | } | |
463 | } | |
464 | SvREFCNT_dec(PL_regex_padav); | |
465 | PL_regex_padav = Nullav; | |
466 | PL_regex_pad = NULL; | |
467 | #endif | |
468 | ||
081fc587 AB |
469 | SvREFCNT_dec((SV*) PL_stashcache); |
470 | PL_stashcache = NULL; | |
471 | ||
5f05dabc | 472 | /* loosen bonds of global variables */ |
473 | ||
3280af22 NIS |
474 | if(PL_rsfp) { |
475 | (void)PerlIO_close(PL_rsfp); | |
476 | PL_rsfp = Nullfp; | |
8ebc5c01 | 477 | } |
478 | ||
479 | /* Filters for program text */ | |
3280af22 NIS |
480 | SvREFCNT_dec(PL_rsfp_filters); |
481 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 482 | |
483 | /* switches */ | |
3280af22 NIS |
484 | PL_preprocess = FALSE; |
485 | PL_minus_n = FALSE; | |
486 | PL_minus_p = FALSE; | |
487 | PL_minus_l = FALSE; | |
488 | PL_minus_a = FALSE; | |
489 | PL_minus_F = FALSE; | |
490 | PL_doswitches = FALSE; | |
599cee73 | 491 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
492 | PL_doextract = FALSE; |
493 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
494 | PL_unsafe = FALSE; |
495 | ||
496 | Safefree(PL_inplace); | |
497 | PL_inplace = Nullch; | |
a7cb1f99 | 498 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
499 | |
500 | if (PL_e_script) { | |
501 | SvREFCNT_dec(PL_e_script); | |
502 | PL_e_script = Nullsv; | |
8ebc5c01 | 503 | } |
504 | ||
505 | /* magical thingies */ | |
506 | ||
7889fe52 NIS |
507 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
508 | PL_ofs_sv = Nullsv; | |
5f05dabc | 509 | |
7889fe52 NIS |
510 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
511 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 512 | |
3280af22 NIS |
513 | SvREFCNT_dec(PL_rs); /* $/ */ |
514 | PL_rs = Nullsv; | |
dc92893f | 515 | |
d33b2eba GS |
516 | PL_multiline = 0; /* $* */ |
517 | Safefree(PL_osname); /* $^O */ | |
518 | PL_osname = Nullch; | |
5f05dabc | 519 | |
3280af22 NIS |
520 | SvREFCNT_dec(PL_statname); |
521 | PL_statname = Nullsv; | |
522 | PL_statgv = Nullgv; | |
5f05dabc | 523 | |
8ebc5c01 | 524 | /* defgv, aka *_ should be taken care of elsewhere */ |
525 | ||
8ebc5c01 | 526 | /* clean up after study() */ |
3280af22 NIS |
527 | SvREFCNT_dec(PL_lastscream); |
528 | PL_lastscream = Nullsv; | |
529 | Safefree(PL_screamfirst); | |
530 | PL_screamfirst = 0; | |
531 | Safefree(PL_screamnext); | |
532 | PL_screamnext = 0; | |
8ebc5c01 | 533 | |
7d5ea4e7 GS |
534 | /* float buffer */ |
535 | Safefree(PL_efloatbuf); | |
536 | PL_efloatbuf = Nullch; | |
537 | PL_efloatsize = 0; | |
538 | ||
8ebc5c01 | 539 | /* startup and shutdown function lists */ |
3280af22 | 540 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 541 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 542 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 543 | SvREFCNT_dec(PL_checkav); |
ece599bd | 544 | SvREFCNT_dec(PL_checkav_save); |
3280af22 NIS |
545 | SvREFCNT_dec(PL_initav); |
546 | PL_beginav = Nullav; | |
5a837c8f | 547 | PL_beginav_save = Nullav; |
3280af22 | 548 | PL_endav = Nullav; |
7d30b5c4 | 549 | PL_checkav = Nullav; |
ece599bd | 550 | PL_checkav_save = Nullav; |
3280af22 | 551 | PL_initav = Nullav; |
5618dfe8 | 552 | |
8ebc5c01 | 553 | /* shortcuts just get cleared */ |
3280af22 | 554 | PL_envgv = Nullgv; |
3280af22 NIS |
555 | PL_incgv = Nullgv; |
556 | PL_hintgv = Nullgv; | |
557 | PL_errgv = Nullgv; | |
558 | PL_argvgv = Nullgv; | |
559 | PL_argvoutgv = Nullgv; | |
560 | PL_stdingv = Nullgv; | |
bf49b057 | 561 | PL_stderrgv = Nullgv; |
3280af22 NIS |
562 | PL_last_in_gv = Nullgv; |
563 | PL_replgv = Nullgv; | |
5c831c24 | 564 | PL_debstash = Nullhv; |
8ebc5c01 | 565 | |
566 | /* reset so print() ends up where we expect */ | |
567 | setdefout(Nullgv); | |
5c831c24 | 568 | |
7a1c5554 GS |
569 | SvREFCNT_dec(PL_argvout_stack); |
570 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 571 | |
5c831c24 GS |
572 | SvREFCNT_dec(PL_modglobal); |
573 | PL_modglobal = Nullhv; | |
574 | SvREFCNT_dec(PL_preambleav); | |
575 | PL_preambleav = Nullav; | |
576 | SvREFCNT_dec(PL_subname); | |
577 | PL_subname = Nullsv; | |
578 | SvREFCNT_dec(PL_linestr); | |
579 | PL_linestr = Nullsv; | |
580 | SvREFCNT_dec(PL_pidstatus); | |
581 | PL_pidstatus = Nullhv; | |
582 | SvREFCNT_dec(PL_toptarget); | |
583 | PL_toptarget = Nullsv; | |
584 | SvREFCNT_dec(PL_bodytarget); | |
585 | PL_bodytarget = Nullsv; | |
586 | PL_formtarget = Nullsv; | |
587 | ||
d33b2eba | 588 | /* free locale stuff */ |
b9582b6a | 589 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
590 | Safefree(PL_collation_name); |
591 | PL_collation_name = Nullch; | |
b9582b6a | 592 | #endif |
d33b2eba | 593 | |
b9582b6a | 594 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
595 | Safefree(PL_numeric_name); |
596 | PL_numeric_name = Nullch; | |
a453c169 | 597 | SvREFCNT_dec(PL_numeric_radix_sv); |
b9582b6a | 598 | #endif |
d33b2eba | 599 | |
5c831c24 GS |
600 | /* clear utf8 character classes */ |
601 | SvREFCNT_dec(PL_utf8_alnum); | |
602 | SvREFCNT_dec(PL_utf8_alnumc); | |
603 | SvREFCNT_dec(PL_utf8_ascii); | |
604 | SvREFCNT_dec(PL_utf8_alpha); | |
605 | SvREFCNT_dec(PL_utf8_space); | |
606 | SvREFCNT_dec(PL_utf8_cntrl); | |
607 | SvREFCNT_dec(PL_utf8_graph); | |
608 | SvREFCNT_dec(PL_utf8_digit); | |
609 | SvREFCNT_dec(PL_utf8_upper); | |
610 | SvREFCNT_dec(PL_utf8_lower); | |
611 | SvREFCNT_dec(PL_utf8_print); | |
612 | SvREFCNT_dec(PL_utf8_punct); | |
613 | SvREFCNT_dec(PL_utf8_xdigit); | |
614 | SvREFCNT_dec(PL_utf8_mark); | |
615 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 616 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 617 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 618 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
619 | SvREFCNT_dec(PL_utf8_idstart); |
620 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
621 | PL_utf8_alnum = Nullsv; |
622 | PL_utf8_alnumc = Nullsv; | |
623 | PL_utf8_ascii = Nullsv; | |
624 | PL_utf8_alpha = Nullsv; | |
625 | PL_utf8_space = Nullsv; | |
626 | PL_utf8_cntrl = Nullsv; | |
627 | PL_utf8_graph = Nullsv; | |
628 | PL_utf8_digit = Nullsv; | |
629 | PL_utf8_upper = Nullsv; | |
630 | PL_utf8_lower = Nullsv; | |
631 | PL_utf8_print = Nullsv; | |
632 | PL_utf8_punct = Nullsv; | |
633 | PL_utf8_xdigit = Nullsv; | |
634 | PL_utf8_mark = Nullsv; | |
635 | PL_utf8_toupper = Nullsv; | |
636 | PL_utf8_totitle = Nullsv; | |
637 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 638 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
639 | PL_utf8_idstart = Nullsv; |
640 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 641 | |
971a9dd3 GS |
642 | if (!specialWARN(PL_compiling.cop_warnings)) |
643 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 644 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
645 | if (!specialCopIO(PL_compiling.cop_io)) |
646 | SvREFCNT_dec(PL_compiling.cop_io); | |
647 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
648 | CopFILE_free(&PL_compiling); |
649 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 650 | |
a0d0e21e | 651 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 652 | |
3280af22 NIS |
653 | hv = PL_defstash; |
654 | PL_defstash = 0; | |
a0d0e21e | 655 | SvREFCNT_dec(hv); |
5c831c24 GS |
656 | SvREFCNT_dec(PL_curstname); |
657 | PL_curstname = Nullsv; | |
a0d0e21e | 658 | |
5a844595 GS |
659 | /* clear queued errors */ |
660 | SvREFCNT_dec(PL_errors); | |
661 | PL_errors = Nullsv; | |
662 | ||
a0d0e21e | 663 | FREETMPS; |
0453d815 | 664 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 665 | if (PL_scopestack_ix != 0) |
9014280d | 666 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 667 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
668 | (long)PL_scopestack_ix); |
669 | if (PL_savestack_ix != 0) | |
9014280d | 670 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 671 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
672 | (long)PL_savestack_ix); |
673 | if (PL_tmps_floor != -1) | |
9014280d | 674 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 675 | (long)PL_tmps_floor + 1); |
a0d0e21e | 676 | if (cxstack_ix != -1) |
9014280d | 677 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 678 | (long)cxstack_ix + 1); |
a0d0e21e | 679 | } |
8990e307 LW |
680 | |
681 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 682 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 683 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
684 | |
685 | /* the 2 is for PL_fdpid and PL_strtab */ | |
686 | while (PL_sv_count > 2 && sv_clean_all()) | |
687 | ; | |
688 | ||
d33b2eba GS |
689 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
690 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
691 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
692 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 693 | |
d4777f27 GS |
694 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
695 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
696 | PL_fdpid = Nullav; |
697 | ||
6c644e78 GS |
698 | #ifdef HAVE_INTERP_INTERN |
699 | sys_intern_clear(); | |
700 | #endif | |
701 | ||
6e72f9df | 702 | /* Destruct the global string table. */ |
703 | { | |
704 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
705 | * so that sv_free() won't fail on them. | |
706 | */ | |
707 | I32 riter; | |
708 | I32 max; | |
709 | HE *hent; | |
710 | HE **array; | |
711 | ||
712 | riter = 0; | |
3280af22 NIS |
713 | max = HvMAX(PL_strtab); |
714 | array = HvARRAY(PL_strtab); | |
6e72f9df | 715 | hent = array[0]; |
716 | for (;;) { | |
0453d815 | 717 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
9014280d | 718 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 719 | "Unbalanced string table refcount: (%d) for \"%s\"", |
6e72f9df | 720 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
721 | HeVAL(hent) = Nullsv; | |
722 | hent = HeNEXT(hent); | |
723 | } | |
724 | if (!hent) { | |
725 | if (++riter > max) | |
726 | break; | |
727 | hent = array[riter]; | |
728 | } | |
729 | } | |
730 | } | |
3280af22 | 731 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 732 | |
e652bb2f | 733 | #ifdef USE_ITHREADS |
a0739874 DM |
734 | /* free the pointer table used for cloning */ |
735 | ptr_table_free(PL_ptr_table); | |
53186e96 | 736 | #endif |
a0739874 | 737 | |
d33b2eba GS |
738 | /* free special SVs */ |
739 | ||
740 | SvREFCNT(&PL_sv_yes) = 0; | |
741 | sv_clear(&PL_sv_yes); | |
742 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 743 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
744 | |
745 | SvREFCNT(&PL_sv_no) = 0; | |
746 | sv_clear(&PL_sv_no); | |
747 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 748 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 749 | |
9f375a43 DM |
750 | { |
751 | int i; | |
752 | for (i=0; i<=2; i++) { | |
753 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
754 | sv_clear(PERL_DEBUG_PAD(i)); | |
755 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
756 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
757 | } | |
758 | } | |
759 | ||
0453d815 | 760 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 761 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 762 | |
eba0f806 DM |
763 | #ifdef DEBUG_LEAKING_SCALARS |
764 | if (PL_sv_count != 0) { | |
765 | SV* sva; | |
766 | SV* sv; | |
767 | register SV* svend; | |
768 | ||
769 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
770 | svend = &sva[SvREFCNT(sva)]; | |
771 | for (sv = sva + 1; sv < svend; ++sv) { | |
772 | if (SvTYPE(sv) != SVTYPEMASK) { | |
773 | PerlIO_printf(Perl_debug_log, "leaked: 0x%p\n", sv); | |
774 | } | |
775 | } | |
776 | } | |
777 | } | |
778 | #endif | |
779 | ||
780 | ||
56a2bab7 | 781 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
782 | /* No more IO - including error messages ! */ |
783 | PerlIO_cleanup(aTHX); | |
784 | #endif | |
785 | ||
9f4bd222 NIS |
786 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
787 | as currently layers use it rather than Nullsv as a marker | |
788 | for no arg - and will try and SvREFCNT_dec it. | |
789 | */ | |
790 | SvREFCNT(&PL_sv_undef) = 0; | |
791 | SvREADONLY_off(&PL_sv_undef); | |
792 | ||
7996736c MHM |
793 | SvREFCNT(&PL_sv_placeholder) = 0; |
794 | SvREADONLY_off(&PL_sv_placeholder); | |
795 | ||
3280af22 | 796 | Safefree(PL_origfilename); |
3280af22 | 797 | Safefree(PL_reg_start_tmp); |
5c5e4c24 IZ |
798 | if (PL_reg_curpm) |
799 | Safefree(PL_reg_curpm); | |
82ba1be6 | 800 | Safefree(PL_reg_poscache); |
dd28f7bb | 801 | free_tied_hv_pool(); |
3280af22 | 802 | Safefree(PL_op_mask); |
cf36064f GS |
803 | Safefree(PL_psig_ptr); |
804 | Safefree(PL_psig_name); | |
2c2666fc | 805 | Safefree(PL_bitcount); |
ce08f86c | 806 | Safefree(PL_psig_pend); |
6e72f9df | 807 | nuke_stacks(); |
3280af22 | 808 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 809 | |
a0d0e21e | 810 | DEBUG_P(debprofdump()); |
d33b2eba | 811 | |
e5dd39fc | 812 | #ifdef USE_REENTRANT_API |
10bc17b6 | 813 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
814 | #endif |
815 | ||
612f20c3 GS |
816 | sv_free_arenas(); |
817 | ||
fc36a67e | 818 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
819 | ||
3280af22 | 820 | if (PL_mess_sv) { |
9c63abab GS |
821 | /* it could have accumulated taint magic */ |
822 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
823 | MAGIC* mg; | |
824 | MAGIC* moremagic; | |
825 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
826 | moremagic = mg->mg_moremagic; | |
14befaf4 DM |
827 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global |
828 | && mg->mg_len >= 0) | |
9c63abab GS |
829 | Safefree(mg->mg_ptr); |
830 | Safefree(mg); | |
831 | } | |
832 | } | |
fc36a67e | 833 | /* we know that type >= SVt_PV */ |
155aba94 | 834 | (void)SvOOK_off(PL_mess_sv); |
3280af22 NIS |
835 | Safefree(SvPVX(PL_mess_sv)); |
836 | Safefree(SvANY(PL_mess_sv)); | |
837 | Safefree(PL_mess_sv); | |
838 | PL_mess_sv = Nullsv; | |
fc36a67e | 839 | } |
31d77e54 | 840 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
841 | } |
842 | ||
954c1994 GS |
843 | /* |
844 | =for apidoc perl_free | |
845 | ||
846 | Releases a Perl interpreter. See L<perlembed>. | |
847 | ||
848 | =cut | |
849 | */ | |
850 | ||
79072805 | 851 | void |
0cb96387 | 852 | perl_free(pTHXx) |
79072805 | 853 | { |
acfe0abc | 854 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 855 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
856 | # ifdef NETWARE |
857 | void *host = nw_internal_host; | |
858 | # else | |
859 | void *host = w32_internal_host; | |
860 | # endif | |
ce3e5b80 | 861 | PerlMem_free(aTHXx); |
acfe0abc | 862 | # ifdef NETWARE |
011f1a1a | 863 | nw_delete_internal_host(host); |
acfe0abc GS |
864 | # else |
865 | win32_delete_internal_host(host); | |
866 | # endif | |
1c0ca838 GS |
867 | # else |
868 | PerlMem_free(aTHXx); | |
869 | # endif | |
acfe0abc GS |
870 | #else |
871 | PerlMem_free(aTHXx); | |
76e3520e | 872 | #endif |
79072805 LW |
873 | } |
874 | ||
4b556e6c | 875 | void |
864dbfa3 | 876 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 877 | { |
3280af22 NIS |
878 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
879 | PL_exitlist[PL_exitlistlen].fn = fn; | |
880 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
881 | ++PL_exitlistlen; | |
4b556e6c JD |
882 | } |
883 | ||
954c1994 GS |
884 | /* |
885 | =for apidoc perl_parse | |
886 | ||
887 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
888 | ||
889 | =cut | |
890 | */ | |
891 | ||
79072805 | 892 | int |
0cb96387 | 893 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 894 | { |
6224f72b | 895 | I32 oldscope; |
6224f72b | 896 | int ret; |
db36c5a1 | 897 | dJMPENV; |
4d1ff10f | 898 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
899 | dTHX; |
900 | #endif | |
8d063cd8 | 901 | |
a687059c LW |
902 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
903 | #ifdef IAMSUID | |
904 | #undef IAMSUID | |
cea2e8a9 | 905 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
906 | setuid perl scripts securely.\n"); |
907 | #endif | |
908 | #endif | |
909 | ||
b0891165 JH |
910 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
911 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 JH |
912 | * This MUST be done before any hash stores or fetches take place. |
913 | * If you set PL_hash_seed (and assumedly also PL_hash_seed_set) yourself, | |
830b38bd JH |
914 | * it is your responsibility to provide a good random seed! |
915 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ | |
bed60192 | 916 | if (!PL_hash_seed_set) |
a783c5f4 | 917 | PL_hash_seed = get_hash_seed(); |
b0891165 | 918 | { |
bed60192 JH |
919 | char *s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
920 | ||
921 | if (s) { | |
922 | int i = atoi(s); | |
923 | ||
924 | if (i == 1) | |
925 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", | |
926 | PL_hash_seed); | |
927 | } | |
b0891165 JH |
928 | } |
929 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
930 | ||
3280af22 | 931 | PL_origargc = argc; |
e2975953 | 932 | PL_origargv = argv; |
a0d0e21e | 933 | |
54bfe034 | 934 | { |
3cb9023d JH |
935 | /* Set PL_origalen be the sum of the contiguous argv[] |
936 | * elements plus the size of the env in case that it is | |
937 | * contiguous with the argv[]. This is used in mg.c:mg_set() | |
938 | * as the maximum modifiable length of $0. In the worst case | |
939 | * the area we are able to modify is limited to the size of | |
43c32782 | 940 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 941 | * --jhi */ |
84458fbf | 942 | char *s = NULL; |
54bfe034 | 943 | int i; |
7d8e7db3 JH |
944 | UV mask = |
945 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); | |
43c32782 JH |
946 | /* Do the mask check only if the args seem like aligned. */ |
947 | UV aligned = | |
948 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); | |
949 | ||
950 | /* See if all the arguments are contiguous in memory. Note | |
951 | * that 'contiguous' is a loose term because some platforms | |
952 | * align the argv[] and the envp[]. If the arguments look | |
953 | * like non-aligned, assume that they are 'strictly' or | |
954 | * 'traditionally' contiguous. If the arguments look like | |
955 | * aligned, we just check that they are within aligned | |
956 | * PTRSIZE bytes. As long as no system has something bizarre | |
957 | * like the argv[] interleaved with some other data, we are | |
958 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
959 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
960 | while (*s) s++; | |
961 | for (i = 1; i < PL_origargc; i++) { | |
962 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 963 | #ifdef OS2 |
c8941eeb | 964 | || PL_origargv[i] == s + 2 |
43c32782 | 965 | #endif |
c8941eeb JH |
966 | ) |
967 | || | |
968 | (aligned && | |
969 | (PL_origargv[i] > s && | |
970 | PL_origargv[i] <= | |
971 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
972 | ) | |
973 | { | |
974 | s = PL_origargv[i]; | |
975 | while (*s) s++; | |
976 | } | |
977 | else | |
978 | break; | |
54bfe034 | 979 | } |
54bfe034 | 980 | } |
3cb9023d | 981 | /* Can we grab env area too to be used as the area for $0? */ |
43c32782 JH |
982 | if (PL_origenviron) { |
983 | if ((PL_origenviron[0] == s + 1 | |
984 | #ifdef OS2 | |
985 | || (PL_origenviron[0] == s + 9 && (s += 8)) | |
986 | #endif | |
987 | ) | |
988 | || | |
989 | (aligned && | |
990 | (PL_origenviron[0] > s && | |
991 | PL_origenviron[0] <= | |
992 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
993 | ) | |
994 | { | |
995 | #ifndef OS2 | |
996 | s = PL_origenviron[0]; | |
997 | while (*s) s++; | |
998 | #endif | |
999 | my_setenv("NoNe SuCh", Nullch); | |
1000 | /* Force copy of environment. */ | |
1001 | for (i = 1; PL_origenviron[i]; i++) { | |
1002 | if (PL_origenviron[i] == s + 1 | |
1003 | || | |
1004 | (aligned && | |
1005 | (PL_origenviron[i] > s && | |
1006 | PL_origenviron[i] <= | |
1007 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1008 | ) | |
1009 | { | |
1010 | s = PL_origenviron[i]; | |
1011 | while (*s) s++; | |
1012 | } | |
1013 | else | |
1014 | break; | |
54bfe034 | 1015 | } |
43c32782 | 1016 | } |
54bfe034 JH |
1017 | } |
1018 | PL_origalen = s - PL_origargv[0]; | |
1019 | } | |
1020 | ||
3280af22 | 1021 | if (PL_do_undump) { |
a0d0e21e LW |
1022 | |
1023 | /* Come here if running an undumped a.out. */ | |
1024 | ||
3280af22 NIS |
1025 | PL_origfilename = savepv(argv[0]); |
1026 | PL_do_undump = FALSE; | |
a0d0e21e | 1027 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1028 | init_ids(); |
a0d0e21e LW |
1029 | init_postdump_symbols(argc,argv,env); |
1030 | return 0; | |
1031 | } | |
1032 | ||
3280af22 | 1033 | if (PL_main_root) { |
3280af22 NIS |
1034 | op_free(PL_main_root); |
1035 | PL_main_root = Nullop; | |
ff0cee69 | 1036 | } |
3280af22 NIS |
1037 | PL_main_start = Nullop; |
1038 | SvREFCNT_dec(PL_main_cv); | |
1039 | PL_main_cv = Nullcv; | |
79072805 | 1040 | |
3280af22 NIS |
1041 | time(&PL_basetime); |
1042 | oldscope = PL_scopestack_ix; | |
599cee73 | 1043 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1044 | |
14dd3ad8 GS |
1045 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1046 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
1047 | #else | |
1048 | JMPENV_PUSH(ret); | |
1049 | #endif | |
6224f72b | 1050 | switch (ret) { |
312caa8e | 1051 | case 0: |
14dd3ad8 GS |
1052 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1053 | parse_body(env,xsinit); | |
1054 | #endif | |
7d30b5c4 GS |
1055 | if (PL_checkav) |
1056 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1057 | ret = 0; |
1058 | break; | |
6224f72b GS |
1059 | case 1: |
1060 | STATUS_ALL_FAILURE; | |
1061 | /* FALL THROUGH */ | |
1062 | case 2: | |
1063 | /* my_exit() was called */ | |
3280af22 | 1064 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1065 | LEAVE; |
1066 | FREETMPS; | |
3280af22 | 1067 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
1068 | if (PL_checkav) |
1069 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1070 | ret = STATUS_NATIVE_EXPORT; |
1071 | break; | |
6224f72b | 1072 | case 3: |
bf49b057 | 1073 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1074 | ret = 1; |
1075 | break; | |
6224f72b | 1076 | } |
14dd3ad8 GS |
1077 | JMPENV_POP; |
1078 | return ret; | |
1079 | } | |
1080 | ||
1081 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
1082 | STATIC void * | |
1083 | S_vparse_body(pTHX_ va_list args) | |
1084 | { | |
1085 | char **env = va_arg(args, char**); | |
1086 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
1087 | ||
1088 | return parse_body(env, xsinit); | |
312caa8e | 1089 | } |
14dd3ad8 | 1090 | #endif |
312caa8e CS |
1091 | |
1092 | STATIC void * | |
14dd3ad8 | 1093 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1094 | { |
312caa8e CS |
1095 | int argc = PL_origargc; |
1096 | char **argv = PL_origargv; | |
312caa8e CS |
1097 | char *scriptname = NULL; |
1098 | int fdscript = -1; | |
1099 | VOL bool dosearch = FALSE; | |
1100 | char *validarg = ""; | |
312caa8e CS |
1101 | register SV *sv; |
1102 | register char *s; | |
cf756827 | 1103 | char *cddir = Nullch; |
312caa8e | 1104 | |
3280af22 | 1105 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 1106 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
1107 | SAVEFREESV(sv); |
1108 | init_main_stash(); | |
54310121 | 1109 | |
6224f72b GS |
1110 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1111 | if (argv[0][0] != '-' || !argv[0][1]) | |
1112 | break; | |
1113 | #ifdef DOSUID | |
1114 | if (*validarg) | |
1115 | validarg = " PHOOEY "; | |
1116 | else | |
1117 | validarg = argv[0]; | |
13281fa4 | 1118 | #endif |
6224f72b GS |
1119 | s = argv[0]+1; |
1120 | reswitch: | |
1121 | switch (*s) { | |
729a02f2 | 1122 | case 'C': |
1d5472a9 GS |
1123 | #ifndef PERL_STRICT_CR |
1124 | case '\r': | |
1125 | #endif | |
6224f72b GS |
1126 | case ' ': |
1127 | case '0': | |
1128 | case 'F': | |
1129 | case 'a': | |
1130 | case 'c': | |
1131 | case 'd': | |
1132 | case 'D': | |
1133 | case 'h': | |
1134 | case 'i': | |
1135 | case 'l': | |
1136 | case 'M': | |
1137 | case 'm': | |
1138 | case 'n': | |
1139 | case 'p': | |
1140 | case 's': | |
1141 | case 'u': | |
1142 | case 'U': | |
1143 | case 'v': | |
599cee73 PM |
1144 | case 'W': |
1145 | case 'X': | |
6224f72b | 1146 | case 'w': |
06492da6 | 1147 | case 'A': |
155aba94 | 1148 | if ((s = moreswitches(s))) |
6224f72b GS |
1149 | goto reswitch; |
1150 | break; | |
33b78306 | 1151 | |
1dbad523 | 1152 | case 't': |
22f7c9c9 | 1153 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1154 | if( !PL_tainting ) { |
1155 | PL_taint_warn = TRUE; | |
1156 | PL_tainting = TRUE; | |
1157 | } | |
1158 | s++; | |
1159 | goto reswitch; | |
6224f72b | 1160 | case 'T': |
22f7c9c9 | 1161 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1162 | PL_tainting = TRUE; |
317ea90d | 1163 | PL_taint_warn = FALSE; |
6224f72b GS |
1164 | s++; |
1165 | goto reswitch; | |
f86702cc | 1166 | |
6224f72b | 1167 | case 'e': |
bf4acbe4 GS |
1168 | #ifdef MACOS_TRADITIONAL |
1169 | /* ignore -e for Dev:Pseudo argument */ | |
1170 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1171 | break; |
bf4acbe4 | 1172 | #endif |
3280af22 | 1173 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 1174 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 1175 | if (!PL_e_script) { |
79cb57f6 | 1176 | PL_e_script = newSVpvn("",0); |
0cb96387 | 1177 | filter_add(read_e_script, NULL); |
6224f72b GS |
1178 | } |
1179 | if (*++s) | |
3280af22 | 1180 | sv_catpv(PL_e_script, s); |
6224f72b | 1181 | else if (argv[1]) { |
3280af22 | 1182 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1183 | argc--,argv++; |
1184 | } | |
1185 | else | |
cea2e8a9 | 1186 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 1187 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 1188 | break; |
afe37c7d | 1189 | |
6224f72b GS |
1190 | case 'I': /* -I handled both here and in moreswitches() */ |
1191 | forbid_setid("-I"); | |
1192 | if (!*++s && (s=argv[1]) != Nullch) { | |
1193 | argc--,argv++; | |
1194 | } | |
6224f72b | 1195 | if (s && *s) { |
0df16ed7 GS |
1196 | char *p; |
1197 | STRLEN len = strlen(s); | |
1198 | p = savepvn(s, len); | |
574c798a | 1199 | incpush(p, TRUE, TRUE, FALSE); |
0df16ed7 GS |
1200 | sv_catpvn(sv, "-I", 2); |
1201 | sv_catpvn(sv, p, len); | |
1202 | sv_catpvn(sv, " ", 1); | |
6224f72b | 1203 | Safefree(p); |
0df16ed7 GS |
1204 | } |
1205 | else | |
a67e862a | 1206 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1207 | break; |
1208 | case 'P': | |
1209 | forbid_setid("-P"); | |
3280af22 | 1210 | PL_preprocess = TRUE; |
6224f72b GS |
1211 | s++; |
1212 | goto reswitch; | |
1213 | case 'S': | |
1214 | forbid_setid("-S"); | |
1215 | dosearch = TRUE; | |
1216 | s++; | |
1217 | goto reswitch; | |
1218 | case 'V': | |
3280af22 NIS |
1219 | if (!PL_preambleav) |
1220 | PL_preambleav = newAV(); | |
1221 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1222 | if (*++s != ':') { |
3280af22 | 1223 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1224 | #ifdef VMS |
6b88bc9c | 1225 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1226 | #else |
3280af22 | 1227 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1228 | #endif |
3280af22 | 1229 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1230 | # ifdef DEBUGGING |
3280af22 | 1231 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1232 | # endif |
6224f72b | 1233 | # ifdef MULTIPLICITY |
8f872242 | 1234 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1235 | # endif |
4d1ff10f AB |
1236 | # ifdef USE_5005THREADS |
1237 | sv_catpv(PL_Sv," USE_5005THREADS"); | |
b363f7ed | 1238 | # endif |
ac5e8965 JH |
1239 | # ifdef USE_ITHREADS |
1240 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1241 | # endif | |
10cc9d2a JH |
1242 | # ifdef USE_64_BIT_INT |
1243 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1244 | # endif | |
1245 | # ifdef USE_64_BIT_ALL | |
1246 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1247 | # endif |
1248 | # ifdef USE_LONG_DOUBLE | |
1249 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1250 | # endif | |
53430762 JH |
1251 | # ifdef USE_LARGE_FILES |
1252 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1253 | # endif | |
ac5e8965 JH |
1254 | # ifdef USE_SOCKS |
1255 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1256 | # endif | |
b363f7ed GS |
1257 | # ifdef PERL_IMPLICIT_CONTEXT |
1258 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1259 | # endif | |
1260 | # ifdef PERL_IMPLICIT_SYS | |
1261 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1262 | # endif | |
3280af22 | 1263 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1264 | |
6224f72b GS |
1265 | #if defined(LOCAL_PATCH_COUNT) |
1266 | if (LOCAL_PATCH_COUNT > 0) { | |
1267 | int i; | |
3280af22 | 1268 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1269 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1270 | if (PL_localpatches[i]) |
cea2e8a9 | 1271 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1272 | } |
1273 | } | |
1274 | #endif | |
cea2e8a9 | 1275 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1276 | #ifdef __DATE__ |
1277 | # ifdef __TIME__ | |
cea2e8a9 | 1278 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1279 | # else |
cea2e8a9 | 1280 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1281 | # endif |
1282 | #endif | |
3280af22 | 1283 | sv_catpv(PL_Sv, "; \ |
6224f72b | 1284 | $\"=\"\\n \"; \ |
69fcd688 JH |
1285 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; "); |
1286 | #ifdef __CYGWIN__ | |
1287 | sv_catpv(PL_Sv,"\ | |
1288 | push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); | |
1289 | #endif | |
1290 | sv_catpv(PL_Sv, "\ | |
6224f72b GS |
1291 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
1292 | print \" \\@INC:\\n @INC\\n\";"); | |
1293 | } | |
1294 | else { | |
3280af22 NIS |
1295 | PL_Sv = newSVpv("config_vars(qw(",0); |
1296 | sv_catpv(PL_Sv, ++s); | |
1297 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1298 | s += strlen(s); |
1299 | } | |
3280af22 | 1300 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1301 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1302 | goto reswitch; | |
1303 | case 'x': | |
3280af22 | 1304 | PL_doextract = TRUE; |
6224f72b GS |
1305 | s++; |
1306 | if (*s) | |
f4c556ac | 1307 | cddir = s; |
6224f72b GS |
1308 | break; |
1309 | case 0: | |
1310 | break; | |
1311 | case '-': | |
1312 | if (!*++s || isSPACE(*s)) { | |
1313 | argc--,argv++; | |
1314 | goto switch_end; | |
1315 | } | |
1316 | /* catch use of gnu style long options */ | |
1317 | if (strEQ(s, "version")) { | |
1318 | s = "v"; | |
1319 | goto reswitch; | |
1320 | } | |
1321 | if (strEQ(s, "help")) { | |
1322 | s = "h"; | |
1323 | goto reswitch; | |
1324 | } | |
1325 | s--; | |
1326 | /* FALL THROUGH */ | |
1327 | default: | |
cea2e8a9 | 1328 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1329 | } |
1330 | } | |
6224f72b | 1331 | switch_end: |
7f9e821f | 1332 | sv_setsv(get_sv("/", TRUE), PL_rs); |
54310121 | 1333 | |
f675dbe5 CB |
1334 | if ( |
1335 | #ifndef SECURE_INTERNAL_GETENV | |
1336 | !PL_tainting && | |
1337 | #endif | |
cf756827 | 1338 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1339 | { |
cf756827 | 1340 | char *popt = s; |
74288ac8 GS |
1341 | while (isSPACE(*s)) |
1342 | s++; | |
317ea90d | 1343 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1344 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1345 | PL_tainting = TRUE; |
317ea90d MS |
1346 | PL_taint_warn = FALSE; |
1347 | } | |
74288ac8 | 1348 | else { |
cf756827 | 1349 | char *popt_copy = Nullch; |
74288ac8 | 1350 | while (s && *s) { |
4ea8f8fb | 1351 | char *d; |
74288ac8 GS |
1352 | while (isSPACE(*s)) |
1353 | s++; | |
1354 | if (*s == '-') { | |
1355 | s++; | |
1356 | if (isSPACE(*s)) | |
1357 | continue; | |
1358 | } | |
4ea8f8fb | 1359 | d = s; |
74288ac8 GS |
1360 | if (!*s) |
1361 | break; | |
06492da6 | 1362 | if (!strchr("DIMUdmtwA", *s)) |
cea2e8a9 | 1363 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1364 | while (++s && *s) { |
1365 | if (isSPACE(*s)) { | |
cf756827 GS |
1366 | if (!popt_copy) { |
1367 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1368 | s = popt_copy + (s - popt); | |
1369 | d = popt_copy + (d - popt); | |
1370 | } | |
4ea8f8fb MS |
1371 | *s++ = '\0'; |
1372 | break; | |
1373 | } | |
1374 | } | |
1c4db469 | 1375 | if (*d == 't') { |
317ea90d MS |
1376 | if( !PL_tainting ) { |
1377 | PL_taint_warn = TRUE; | |
1378 | PL_tainting = TRUE; | |
1379 | } | |
1c4db469 RGS |
1380 | } else { |
1381 | moreswitches(d); | |
1382 | } | |
6224f72b | 1383 | } |
6224f72b GS |
1384 | } |
1385 | } | |
a0d0e21e | 1386 | |
317ea90d MS |
1387 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
1388 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
1389 | } | |
1390 | ||
6224f72b GS |
1391 | if (!scriptname) |
1392 | scriptname = argv[0]; | |
3280af22 | 1393 | if (PL_e_script) { |
6224f72b GS |
1394 | argc++,argv--; |
1395 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1396 | } | |
1397 | else if (scriptname == Nullch) { | |
1398 | #ifdef MSDOS | |
1399 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1400 | moreswitches("h"); | |
1401 | #endif | |
1402 | scriptname = "-"; | |
1403 | } | |
1404 | ||
1405 | init_perllib(); | |
1406 | ||
1407 | open_script(scriptname,dosearch,sv,&fdscript); | |
1408 | ||
1409 | validate_suid(validarg, scriptname,fdscript); | |
1410 | ||
64ca3a65 | 1411 | #ifndef PERL_MICRO |
0b5b802d GS |
1412 | #if defined(SIGCHLD) || defined(SIGCLD) |
1413 | { | |
1414 | #ifndef SIGCHLD | |
1415 | # define SIGCHLD SIGCLD | |
1416 | #endif | |
1417 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1418 | if (sigstate == SIG_IGN) { | |
1419 | if (ckWARN(WARN_SIGNAL)) | |
9014280d | 1420 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
1421 | "Can't ignore signal CHLD, forcing to default"); |
1422 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1423 | } | |
1424 | } | |
1425 | #endif | |
64ca3a65 | 1426 | #endif |
0b5b802d | 1427 | |
bf4acbe4 GS |
1428 | #ifdef MACOS_TRADITIONAL |
1429 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
1430 | #else | |
f4c556ac | 1431 | if (PL_doextract) { |
bf4acbe4 | 1432 | #endif |
6224f72b | 1433 | find_beginning(); |
f4c556ac GS |
1434 | if (cddir && PerlDir_chdir(cddir) < 0) |
1435 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1436 | ||
1437 | } | |
6224f72b | 1438 | |
3280af22 NIS |
1439 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1440 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1441 | CvUNIQUE_on(PL_compcv); | |
1442 | ||
dd2155a4 | 1443 | CvPADLIST(PL_compcv) = pad_new(0); |
4d1ff10f | 1444 | #ifdef USE_5005THREADS |
533c011a NIS |
1445 | CvOWNER(PL_compcv) = 0; |
1446 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1447 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
4d1ff10f | 1448 | #endif /* USE_5005THREADS */ |
6224f72b | 1449 | |
0c4f7ff0 | 1450 | boot_core_PerlIO(); |
6224f72b | 1451 | boot_core_UNIVERSAL(); |
09bef843 | 1452 | boot_core_xsutils(); |
6224f72b GS |
1453 | |
1454 | if (xsinit) | |
acfe0abc | 1455 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 1456 | #ifndef PERL_MICRO |
ed79a026 | 1457 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) |
c5be433b | 1458 | init_os_extras(); |
6224f72b | 1459 | #endif |
64ca3a65 | 1460 | #endif |
6224f72b | 1461 | |
29209bc5 | 1462 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
1463 | # ifdef HAS_SOCKS5_INIT |
1464 | socks5_init(argv[0]); | |
1465 | # else | |
29209bc5 | 1466 | SOCKSinit(argv[0]); |
1b9c9cf5 | 1467 | # endif |
ac27b0f5 | 1468 | #endif |
29209bc5 | 1469 | |
6224f72b GS |
1470 | init_predump_symbols(); |
1471 | /* init_postdump_symbols not currently designed to be called */ | |
1472 | /* more than once (ENV isn't cleared first, for example) */ | |
1473 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1474 | if (!PL_do_undump) |
6224f72b GS |
1475 | init_postdump_symbols(argc,argv,env); |
1476 | ||
a05d7ebb JH |
1477 | /* PL_unicode is turned on by -C or by $ENV{PERL_UNICODE}. |
1478 | * PL_utf8locale is conditionally turned on by | |
085a54d9 | 1479 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 1480 | * look like the user wants to use UTF-8. */ |
06e66572 JH |
1481 | if (PL_unicode) { |
1482 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 1483 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
1484 | IO* io; |
1485 | PerlIO* fp; | |
1486 | SV* sv; | |
1487 | ||
a05d7ebb | 1488 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 1489 | * and the default open disciplines. */ |
a05d7ebb JH |
1490 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
1491 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
1492 | (fp = IoIFP(io))) | |
1493 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1494 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
1495 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
1496 | (fp = IoOFP(io))) | |
1497 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1498 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
1499 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
1500 | (fp = IoOFP(io))) | |
1501 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1502 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
1503 | (sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) { | |
1504 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; | |
1505 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
1506 | if (in) { | |
1507 | if (out) | |
1508 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
1509 | else | |
1510 | sv_setpvn(sv, ":utf8\0", 6); | |
1511 | } | |
1512 | else if (out) | |
1513 | sv_setpvn(sv, "\0:utf8", 6); | |
1514 | SvSETMAGIC(sv); | |
1515 | } | |
b310b053 JH |
1516 | } |
1517 | } | |
1518 | ||
4ffa73a3 JH |
1519 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
1520 | if (strEQ(s, "unsafe")) | |
1521 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
1522 | else if (strEQ(s, "safe")) | |
1523 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
1524 | else | |
1525 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
1526 | } | |
1527 | ||
6224f72b GS |
1528 | init_lexer(); |
1529 | ||
1530 | /* now parse the script */ | |
1531 | ||
93189314 | 1532 | SETERRNO(0,SS_NORMAL); |
3280af22 | 1533 | PL_error_count = 0; |
bf4acbe4 GS |
1534 | #ifdef MACOS_TRADITIONAL |
1535 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
1536 | if (PL_minus_c) | |
1537 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
1538 | else { | |
1539 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
1540 | MacPerl_MPWFileName(PL_origfilename)); | |
1541 | } | |
1542 | } | |
1543 | #else | |
3280af22 NIS |
1544 | if (yyparse() || PL_error_count) { |
1545 | if (PL_minus_c) | |
cea2e8a9 | 1546 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1547 | else { |
cea2e8a9 | 1548 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1549 | PL_origfilename); |
6224f72b GS |
1550 | } |
1551 | } | |
bf4acbe4 | 1552 | #endif |
57843af0 | 1553 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1554 | PL_curstash = PL_defstash; |
1555 | PL_preprocess = FALSE; | |
1556 | if (PL_e_script) { | |
1557 | SvREFCNT_dec(PL_e_script); | |
1558 | PL_e_script = Nullsv; | |
6224f72b GS |
1559 | } |
1560 | ||
3280af22 | 1561 | if (PL_do_undump) |
6224f72b GS |
1562 | my_unexec(); |
1563 | ||
57843af0 GS |
1564 | if (isWARN_ONCE) { |
1565 | SAVECOPFILE(PL_curcop); | |
1566 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1567 | gv_check(PL_defstash); |
57843af0 | 1568 | } |
6224f72b GS |
1569 | |
1570 | LEAVE; | |
1571 | FREETMPS; | |
1572 | ||
1573 | #ifdef MYMALLOC | |
1574 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1575 | dump_mstats("after compilation:"); | |
1576 | #endif | |
1577 | ||
1578 | ENTER; | |
3280af22 | 1579 | PL_restartop = 0; |
312caa8e | 1580 | return NULL; |
6224f72b GS |
1581 | } |
1582 | ||
954c1994 GS |
1583 | /* |
1584 | =for apidoc perl_run | |
1585 | ||
1586 | Tells a Perl interpreter to run. See L<perlembed>. | |
1587 | ||
1588 | =cut | |
1589 | */ | |
1590 | ||
6224f72b | 1591 | int |
0cb96387 | 1592 | perl_run(pTHXx) |
6224f72b | 1593 | { |
6224f72b | 1594 | I32 oldscope; |
14dd3ad8 | 1595 | int ret = 0; |
db36c5a1 | 1596 | dJMPENV; |
4d1ff10f | 1597 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
1598 | dTHX; |
1599 | #endif | |
6224f72b | 1600 | |
3280af22 | 1601 | oldscope = PL_scopestack_ix; |
96e176bf CL |
1602 | #ifdef VMS |
1603 | VMSISH_HUSHED = 0; | |
1604 | #endif | |
6224f72b | 1605 | |
14dd3ad8 | 1606 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1607 | redo_body: |
14dd3ad8 GS |
1608 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1609 | #else | |
1610 | JMPENV_PUSH(ret); | |
1611 | #endif | |
6224f72b GS |
1612 | switch (ret) { |
1613 | case 1: | |
1614 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1615 | goto redo_body; |
14dd3ad8 GS |
1616 | case 0: /* normal completion */ |
1617 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1618 | redo_body: | |
1619 | run_body(oldscope); | |
1620 | #endif | |
1621 | /* FALL THROUGH */ | |
1622 | case 2: /* my_exit() */ | |
3280af22 | 1623 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1624 | LEAVE; |
1625 | FREETMPS; | |
3280af22 | 1626 | PL_curstash = PL_defstash; |
3a1ee7e8 | 1627 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
1628 | PL_endav && !PL_minus_c) |
1629 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1630 | #ifdef MYMALLOC |
1631 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1632 | dump_mstats("after execution: "); | |
1633 | #endif | |
14dd3ad8 GS |
1634 | ret = STATUS_NATIVE_EXPORT; |
1635 | break; | |
6224f72b | 1636 | case 3: |
312caa8e CS |
1637 | if (PL_restartop) { |
1638 | POPSTACK_TO(PL_mainstack); | |
1639 | goto redo_body; | |
6224f72b | 1640 | } |
bf49b057 | 1641 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1642 | FREETMPS; |
14dd3ad8 GS |
1643 | ret = 1; |
1644 | break; | |
6224f72b GS |
1645 | } |
1646 | ||
14dd3ad8 GS |
1647 | JMPENV_POP; |
1648 | return ret; | |
312caa8e CS |
1649 | } |
1650 | ||
14dd3ad8 | 1651 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1652 | STATIC void * |
14dd3ad8 | 1653 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1654 | { |
312caa8e CS |
1655 | I32 oldscope = va_arg(args, I32); |
1656 | ||
14dd3ad8 GS |
1657 | return run_body(oldscope); |
1658 | } | |
1659 | #endif | |
1660 | ||
1661 | ||
1662 | STATIC void * | |
1663 | S_run_body(pTHX_ I32 oldscope) | |
1664 | { | |
6224f72b | 1665 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1666 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1667 | |
3280af22 | 1668 | if (!PL_restartop) { |
6224f72b | 1669 | DEBUG_x(dump_all()); |
488b0c7a | 1670 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
b900a521 JH |
1671 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1672 | PTR2UV(thr))); | |
6224f72b | 1673 | |
3280af22 | 1674 | if (PL_minus_c) { |
bf4acbe4 | 1675 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
1676 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
1677 | (gMacPerl_ErrorFormat ? "# " : ""), | |
1678 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 1679 | #else |
bf49b057 | 1680 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 1681 | #endif |
6224f72b GS |
1682 | my_exit(0); |
1683 | } | |
3280af22 | 1684 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 1685 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1686 | if (PL_initav) |
1687 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1688 | } |
1689 | ||
1690 | /* do it */ | |
1691 | ||
3280af22 | 1692 | if (PL_restartop) { |
533c011a | 1693 | PL_op = PL_restartop; |
3280af22 | 1694 | PL_restartop = 0; |
cea2e8a9 | 1695 | CALLRUNOPS(aTHX); |
6224f72b | 1696 | } |
3280af22 NIS |
1697 | else if (PL_main_start) { |
1698 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1699 | PL_op = PL_main_start; |
cea2e8a9 | 1700 | CALLRUNOPS(aTHX); |
6224f72b GS |
1701 | } |
1702 | ||
f6b3007c JH |
1703 | my_exit(0); |
1704 | /* NOTREACHED */ | |
312caa8e | 1705 | return NULL; |
6224f72b GS |
1706 | } |
1707 | ||
954c1994 | 1708 | /* |
ccfc67b7 JH |
1709 | =head1 SV Manipulation Functions |
1710 | ||
954c1994 GS |
1711 | =for apidoc p||get_sv |
1712 | ||
1713 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1714 | Perl variable does not exist then it will be created. If C<create> is not | |
1715 | set and the variable does not exist then NULL is returned. | |
1716 | ||
1717 | =cut | |
1718 | */ | |
1719 | ||
6224f72b | 1720 | SV* |
864dbfa3 | 1721 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1722 | { |
1723 | GV *gv; | |
4d1ff10f | 1724 | #ifdef USE_5005THREADS |
6224f72b GS |
1725 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1726 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 1727 | if (tmp != NOT_IN_PAD) |
6224f72b | 1728 | return THREADSV(tmp); |
6224f72b | 1729 | } |
4d1ff10f | 1730 | #endif /* USE_5005THREADS */ |
6224f72b GS |
1731 | gv = gv_fetchpv(name, create, SVt_PV); |
1732 | if (gv) | |
1733 | return GvSV(gv); | |
1734 | return Nullsv; | |
1735 | } | |
1736 | ||
954c1994 | 1737 | /* |
ccfc67b7 JH |
1738 | =head1 Array Manipulation Functions |
1739 | ||
954c1994 GS |
1740 | =for apidoc p||get_av |
1741 | ||
1742 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1743 | Perl variable does not exist then it will be created. If C<create> is not | |
1744 | set and the variable does not exist then NULL is returned. | |
1745 | ||
1746 | =cut | |
1747 | */ | |
1748 | ||
6224f72b | 1749 | AV* |
864dbfa3 | 1750 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1751 | { |
1752 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1753 | if (create) | |
1754 | return GvAVn(gv); | |
1755 | if (gv) | |
1756 | return GvAV(gv); | |
1757 | return Nullav; | |
1758 | } | |
1759 | ||
954c1994 | 1760 | /* |
ccfc67b7 JH |
1761 | =head1 Hash Manipulation Functions |
1762 | ||
954c1994 GS |
1763 | =for apidoc p||get_hv |
1764 | ||
1765 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1766 | Perl variable does not exist then it will be created. If C<create> is not | |
1767 | set and the variable does not exist then NULL is returned. | |
1768 | ||
1769 | =cut | |
1770 | */ | |
1771 | ||
6224f72b | 1772 | HV* |
864dbfa3 | 1773 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1774 | { |
a0d0e21e LW |
1775 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1776 | if (create) | |
1777 | return GvHVn(gv); | |
1778 | if (gv) | |
1779 | return GvHV(gv); | |
1780 | return Nullhv; | |
1781 | } | |
1782 | ||
954c1994 | 1783 | /* |
ccfc67b7 JH |
1784 | =head1 CV Manipulation Functions |
1785 | ||
954c1994 GS |
1786 | =for apidoc p||get_cv |
1787 | ||
1788 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1789 | the Perl subroutine does not exist then it will be declared (which has the | |
1790 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1791 | subroutine does not exist then NULL is returned. | |
1792 | ||
1793 | =cut | |
1794 | */ | |
1795 | ||
a0d0e21e | 1796 | CV* |
864dbfa3 | 1797 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1798 | { |
1799 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1800 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1801 | /* XXX this is probably not what they think they're getting. |
1802 | * It has the same effect as "sub name;", i.e. just a forward | |
1803 | * declaration! */ | |
8ebc5c01 | 1804 | if (create && !GvCVu(gv)) |
774d564b | 1805 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1806 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1807 | Nullop, |
a0d0e21e LW |
1808 | Nullop); |
1809 | if (gv) | |
8ebc5c01 | 1810 | return GvCVu(gv); |
a0d0e21e LW |
1811 | return Nullcv; |
1812 | } | |
1813 | ||
79072805 LW |
1814 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1815 | ||
954c1994 | 1816 | /* |
ccfc67b7 JH |
1817 | |
1818 | =head1 Callback Functions | |
1819 | ||
954c1994 GS |
1820 | =for apidoc p||call_argv |
1821 | ||
1822 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1823 | ||
1824 | =cut | |
1825 | */ | |
1826 | ||
a0d0e21e | 1827 | I32 |
864dbfa3 | 1828 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 1829 | |
8ac85365 NIS |
1830 | /* See G_* flags in cop.h */ |
1831 | /* null terminated arg list */ | |
8990e307 | 1832 | { |
a0d0e21e | 1833 | dSP; |
8990e307 | 1834 | |
924508f0 | 1835 | PUSHMARK(SP); |
a0d0e21e | 1836 | if (argv) { |
8990e307 | 1837 | while (*argv) { |
a0d0e21e | 1838 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1839 | argv++; |
1840 | } | |
a0d0e21e | 1841 | PUTBACK; |
8990e307 | 1842 | } |
864dbfa3 | 1843 | return call_pv(sub_name, flags); |
8990e307 LW |
1844 | } |
1845 | ||
954c1994 GS |
1846 | /* |
1847 | =for apidoc p||call_pv | |
1848 | ||
1849 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1850 | ||
1851 | =cut | |
1852 | */ | |
1853 | ||
a0d0e21e | 1854 | I32 |
864dbfa3 | 1855 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1856 | /* name of the subroutine */ |
1857 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1858 | { |
864dbfa3 | 1859 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1860 | } |
1861 | ||
954c1994 GS |
1862 | /* |
1863 | =for apidoc p||call_method | |
1864 | ||
1865 | Performs a callback to the specified Perl method. The blessed object must | |
1866 | be on the stack. See L<perlcall>. | |
1867 | ||
1868 | =cut | |
1869 | */ | |
1870 | ||
a0d0e21e | 1871 | I32 |
864dbfa3 | 1872 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1873 | /* name of the subroutine */ |
1874 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1875 | { |
968b3946 | 1876 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
1877 | } |
1878 | ||
1879 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1880 | /* |
1881 | =for apidoc p||call_sv | |
1882 | ||
1883 | Performs a callback to the Perl sub whose name is in the SV. See | |
1884 | L<perlcall>. | |
1885 | ||
1886 | =cut | |
1887 | */ | |
1888 | ||
a0d0e21e | 1889 | I32 |
864dbfa3 | 1890 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 1891 | /* See G_* flags in cop.h */ |
a0d0e21e | 1892 | { |
924508f0 | 1893 | dSP; |
a0d0e21e | 1894 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 1895 | UNOP method_op; |
aa689395 | 1896 | I32 oldmark; |
13689cfe | 1897 | volatile I32 retval = 0; |
a0d0e21e | 1898 | I32 oldscope; |
54310121 | 1899 | bool oldcatch = CATCH_GET; |
6224f72b | 1900 | int ret; |
533c011a | 1901 | OP* oldop = PL_op; |
db36c5a1 | 1902 | dJMPENV; |
1e422769 | 1903 | |
a0d0e21e LW |
1904 | if (flags & G_DISCARD) { |
1905 | ENTER; | |
1906 | SAVETMPS; | |
1907 | } | |
1908 | ||
aa689395 | 1909 | Zero(&myop, 1, LOGOP); |
54310121 | 1910 | myop.op_next = Nullop; |
f51d4af5 | 1911 | if (!(flags & G_NOARGS)) |
aa689395 | 1912 | myop.op_flags |= OPf_STACKED; |
54310121 | 1913 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1914 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1915 | OPf_WANT_SCALAR); | |
462e5cf6 | 1916 | SAVEOP(); |
533c011a | 1917 | PL_op = (OP*)&myop; |
aa689395 | 1918 | |
3280af22 NIS |
1919 | EXTEND(PL_stack_sp, 1); |
1920 | *++PL_stack_sp = sv; | |
aa689395 | 1921 | oldmark = TOPMARK; |
3280af22 | 1922 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1923 | |
3280af22 | 1924 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1925 | /* Handle first BEGIN of -d. */ |
3280af22 | 1926 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1927 | /* Try harder, since this may have been a sighandler, thus |
1928 | * curstash may be meaningless. */ | |
3280af22 | 1929 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1930 | && !(flags & G_NODEBUG)) |
533c011a | 1931 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1932 | |
968b3946 GS |
1933 | if (flags & G_METHOD) { |
1934 | Zero(&method_op, 1, UNOP); | |
1935 | method_op.op_next = PL_op; | |
1936 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
1937 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 1938 | PL_op = (OP*)&method_op; |
968b3946 GS |
1939 | } |
1940 | ||
312caa8e | 1941 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1942 | CATCH_SET(TRUE); |
14dd3ad8 | 1943 | call_body((OP*)&myop, FALSE); |
312caa8e | 1944 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1945 | CATCH_SET(oldcatch); |
312caa8e CS |
1946 | } |
1947 | else { | |
d78bda3d | 1948 | myop.op_other = (OP*)&myop; |
3280af22 | 1949 | PL_markstack_ptr--; |
4633a7c4 LW |
1950 | /* we're trying to emulate pp_entertry() here */ |
1951 | { | |
c09156bb | 1952 | register PERL_CONTEXT *cx; |
54310121 | 1953 | I32 gimme = GIMME_V; |
ac27b0f5 | 1954 | |
4633a7c4 LW |
1955 | ENTER; |
1956 | SAVETMPS; | |
ac27b0f5 | 1957 | |
968b3946 | 1958 | push_return(Nullop); |
1d76a5c3 | 1959 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 1960 | PUSHEVAL(cx, 0, 0); |
533c011a | 1961 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 1962 | |
faef0170 | 1963 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1964 | if (flags & G_KEEPERR) |
faef0170 | 1965 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1966 | else |
38a03e6e | 1967 | sv_setpv(ERRSV,""); |
4633a7c4 | 1968 | } |
3280af22 | 1969 | PL_markstack_ptr++; |
a0d0e21e | 1970 | |
14dd3ad8 GS |
1971 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1972 | redo_body: | |
1973 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 1974 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
1975 | #else |
1976 | JMPENV_PUSH(ret); | |
1977 | #endif | |
6224f72b GS |
1978 | switch (ret) { |
1979 | case 0: | |
14dd3ad8 GS |
1980 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1981 | redo_body: | |
1982 | call_body((OP*)&myop, FALSE); | |
1983 | #endif | |
312caa8e CS |
1984 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1985 | if (!(flags & G_KEEPERR)) | |
1986 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1987 | break; |
6224f72b | 1988 | case 1: |
f86702cc | 1989 | STATUS_ALL_FAILURE; |
a0d0e21e | 1990 | /* FALL THROUGH */ |
6224f72b | 1991 | case 2: |
a0d0e21e | 1992 | /* my_exit() was called */ |
3280af22 | 1993 | PL_curstash = PL_defstash; |
a0d0e21e | 1994 | FREETMPS; |
14dd3ad8 | 1995 | JMPENV_POP; |
cc3604b1 | 1996 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1997 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1998 | my_exit_jump(); |
a0d0e21e | 1999 | /* NOTREACHED */ |
6224f72b | 2000 | case 3: |
3280af22 | 2001 | if (PL_restartop) { |
533c011a | 2002 | PL_op = PL_restartop; |
3280af22 | 2003 | PL_restartop = 0; |
312caa8e | 2004 | goto redo_body; |
a0d0e21e | 2005 | } |
3280af22 | 2006 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2007 | if (flags & G_ARRAY) |
2008 | retval = 0; | |
2009 | else { | |
2010 | retval = 1; | |
3280af22 | 2011 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2012 | } |
312caa8e | 2013 | break; |
a0d0e21e | 2014 | } |
a0d0e21e | 2015 | |
3280af22 | 2016 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
2017 | SV **newsp; |
2018 | PMOP *newpm; | |
2019 | I32 gimme; | |
c09156bb | 2020 | register PERL_CONTEXT *cx; |
a0a2876f LW |
2021 | I32 optype; |
2022 | ||
2023 | POPBLOCK(cx,newpm); | |
2024 | POPEVAL(cx); | |
2025 | pop_return(); | |
3280af22 | 2026 | PL_curpm = newpm; |
a0a2876f | 2027 | LEAVE; |
a0d0e21e | 2028 | } |
14dd3ad8 | 2029 | JMPENV_POP; |
a0d0e21e | 2030 | } |
1e422769 | 2031 | |
a0d0e21e | 2032 | if (flags & G_DISCARD) { |
3280af22 | 2033 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2034 | retval = 0; |
2035 | FREETMPS; | |
2036 | LEAVE; | |
2037 | } | |
533c011a | 2038 | PL_op = oldop; |
a0d0e21e LW |
2039 | return retval; |
2040 | } | |
2041 | ||
14dd3ad8 | 2042 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2043 | STATIC void * |
14dd3ad8 | 2044 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
2045 | { |
2046 | OP *myop = va_arg(args, OP*); | |
2047 | int is_eval = va_arg(args, int); | |
2048 | ||
14dd3ad8 | 2049 | call_body(myop, is_eval); |
312caa8e CS |
2050 | return NULL; |
2051 | } | |
14dd3ad8 | 2052 | #endif |
312caa8e CS |
2053 | |
2054 | STATIC void | |
14dd3ad8 | 2055 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e | 2056 | { |
312caa8e CS |
2057 | if (PL_op == myop) { |
2058 | if (is_eval) | |
f807eda9 | 2059 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 2060 | else |
f807eda9 | 2061 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
2062 | } |
2063 | if (PL_op) | |
cea2e8a9 | 2064 | CALLRUNOPS(aTHX); |
312caa8e CS |
2065 | } |
2066 | ||
6e72f9df | 2067 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2068 | |
954c1994 GS |
2069 | /* |
2070 | =for apidoc p||eval_sv | |
2071 | ||
2072 | Tells Perl to C<eval> the string in the SV. | |
2073 | ||
2074 | =cut | |
2075 | */ | |
2076 | ||
a0d0e21e | 2077 | I32 |
864dbfa3 | 2078 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2079 | |
8ac85365 | 2080 | /* See G_* flags in cop.h */ |
a0d0e21e | 2081 | { |
924508f0 | 2082 | dSP; |
a0d0e21e | 2083 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 2084 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 2085 | volatile I32 retval = 0; |
4633a7c4 | 2086 | I32 oldscope; |
6224f72b | 2087 | int ret; |
533c011a | 2088 | OP* oldop = PL_op; |
db36c5a1 | 2089 | dJMPENV; |
84902520 | 2090 | |
4633a7c4 LW |
2091 | if (flags & G_DISCARD) { |
2092 | ENTER; | |
2093 | SAVETMPS; | |
2094 | } | |
2095 | ||
462e5cf6 | 2096 | SAVEOP(); |
533c011a NIS |
2097 | PL_op = (OP*)&myop; |
2098 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2099 | EXTEND(PL_stack_sp, 1); |
2100 | *++PL_stack_sp = sv; | |
2101 | oldscope = PL_scopestack_ix; | |
79072805 | 2102 | |
4633a7c4 LW |
2103 | if (!(flags & G_NOARGS)) |
2104 | myop.op_flags = OPf_STACKED; | |
79072805 | 2105 | myop.op_next = Nullop; |
6e72f9df | 2106 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2107 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2108 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2109 | OPf_WANT_SCALAR); | |
6e72f9df | 2110 | if (flags & G_KEEPERR) |
2111 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2112 | |
14dd3ad8 | 2113 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2114 | redo_body: |
14dd3ad8 | 2115 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 2116 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
2117 | #else |
2118 | JMPENV_PUSH(ret); | |
2119 | #endif | |
6224f72b GS |
2120 | switch (ret) { |
2121 | case 0: | |
14dd3ad8 GS |
2122 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2123 | redo_body: | |
2124 | call_body((OP*)&myop,TRUE); | |
2125 | #endif | |
312caa8e CS |
2126 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2127 | if (!(flags & G_KEEPERR)) | |
2128 | sv_setpv(ERRSV,""); | |
4633a7c4 | 2129 | break; |
6224f72b | 2130 | case 1: |
f86702cc | 2131 | STATUS_ALL_FAILURE; |
4633a7c4 | 2132 | /* FALL THROUGH */ |
6224f72b | 2133 | case 2: |
4633a7c4 | 2134 | /* my_exit() was called */ |
3280af22 | 2135 | PL_curstash = PL_defstash; |
4633a7c4 | 2136 | FREETMPS; |
14dd3ad8 | 2137 | JMPENV_POP; |
cc3604b1 | 2138 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2139 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2140 | my_exit_jump(); |
4633a7c4 | 2141 | /* NOTREACHED */ |
6224f72b | 2142 | case 3: |
3280af22 | 2143 | if (PL_restartop) { |
533c011a | 2144 | PL_op = PL_restartop; |
3280af22 | 2145 | PL_restartop = 0; |
312caa8e | 2146 | goto redo_body; |
4633a7c4 | 2147 | } |
3280af22 | 2148 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2149 | if (flags & G_ARRAY) |
2150 | retval = 0; | |
2151 | else { | |
2152 | retval = 1; | |
3280af22 | 2153 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2154 | } |
312caa8e | 2155 | break; |
4633a7c4 LW |
2156 | } |
2157 | ||
14dd3ad8 | 2158 | JMPENV_POP; |
4633a7c4 | 2159 | if (flags & G_DISCARD) { |
3280af22 | 2160 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2161 | retval = 0; |
2162 | FREETMPS; | |
2163 | LEAVE; | |
2164 | } | |
533c011a | 2165 | PL_op = oldop; |
4633a7c4 LW |
2166 | return retval; |
2167 | } | |
2168 | ||
954c1994 GS |
2169 | /* |
2170 | =for apidoc p||eval_pv | |
2171 | ||
2172 | Tells Perl to C<eval> the given string and return an SV* result. | |
2173 | ||
2174 | =cut | |
2175 | */ | |
2176 | ||
137443ea | 2177 | SV* |
864dbfa3 | 2178 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2179 | { |
2180 | dSP; | |
2181 | SV* sv = newSVpv(p, 0); | |
2182 | ||
864dbfa3 | 2183 | eval_sv(sv, G_SCALAR); |
137443ea | 2184 | SvREFCNT_dec(sv); |
2185 | ||
2186 | SPAGAIN; | |
2187 | sv = POPs; | |
2188 | PUTBACK; | |
2189 | ||
2d8e6c8d GS |
2190 | if (croak_on_error && SvTRUE(ERRSV)) { |
2191 | STRLEN n_a; | |
cea2e8a9 | 2192 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 2193 | } |
137443ea | 2194 | |
2195 | return sv; | |
2196 | } | |
2197 | ||
4633a7c4 LW |
2198 | /* Require a module. */ |
2199 | ||
954c1994 | 2200 | /* |
ccfc67b7 JH |
2201 | =head1 Embedding Functions |
2202 | ||
954c1994 GS |
2203 | =for apidoc p||require_pv |
2204 | ||
7d3fb230 BS |
2205 | Tells Perl to C<require> the file named by the string argument. It is |
2206 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2207 | implemented that way; consider using load_module instead. |
954c1994 | 2208 | |
7d3fb230 | 2209 | =cut */ |
954c1994 | 2210 | |
4633a7c4 | 2211 | void |
864dbfa3 | 2212 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2213 | { |
d3acc0f7 JP |
2214 | SV* sv; |
2215 | dSP; | |
e788e7d3 | 2216 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
2217 | PUTBACK; |
2218 | sv = sv_newmortal(); | |
4633a7c4 LW |
2219 | sv_setpv(sv, "require '"); |
2220 | sv_catpv(sv, pv); | |
2221 | sv_catpv(sv, "'"); | |
864dbfa3 | 2222 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
2223 | SPAGAIN; |
2224 | POPSTACK; | |
79072805 LW |
2225 | } |
2226 | ||
79072805 | 2227 | void |
864dbfa3 | 2228 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
2229 | { |
2230 | register GV *gv; | |
2231 | ||
155aba94 | 2232 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
14befaf4 | 2233 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2234 | } |
2235 | ||
76e3520e | 2236 | STATIC void |
cea2e8a9 | 2237 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2238 | { |
ab821d7f | 2239 | /* This message really ought to be max 23 lines. |
75c72d73 | 2240 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2241 | |
76e3520e | 2242 | static char *usage_msg[] = { |
fb73857a | 2243 | "-0[octal] specify record separator (\\0, if no argument)", |
2244 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
46487f74 | 2245 | "-C enable native wide character system interfaces", |
1950ee41 | 2246 | "-c check syntax only (runs BEGIN and CHECK blocks)", |
aac3bd0d GS |
2247 | "-d[:debugger] run program under debugger", |
2248 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2249 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
2250 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
2251 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2252 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 2253 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
2254 | "-[mM][-]module execute `use/no module...' before executing program", |
2255 | "-n assume 'while (<>) { ... }' loop around program", | |
2256 | "-p assume loop like -n but print line also, like sed", | |
2257 | "-P run program through C preprocessor before compilation", | |
2258 | "-s enable rudimentary parsing for switches after programfile", | |
2259 | "-S look for programfile using PATH environment variable", | |
2260 | "-T enable tainting checks", | |
9cbc33e8 | 2261 | "-t enable tainting warnings", |
aac3bd0d | 2262 | "-u dump core after parsing program", |
fb73857a | 2263 | "-U allow unsafe operations", |
aac3bd0d GS |
2264 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
2265 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2266 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 GS |
2267 | "-W enable all warnings", |
2268 | "-X disable all warnings", | |
fb73857a | 2269 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
2270 | "\n", | |
2271 | NULL | |
2272 | }; | |
76e3520e | 2273 | char **p = usage_msg; |
fb73857a | 2274 | |
b0e47665 GS |
2275 | PerlIO_printf(PerlIO_stdout(), |
2276 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2277 | name); | |
fb73857a | 2278 | while (*p) |
b0e47665 | 2279 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2280 | } |
2281 | ||
b4ab917c DM |
2282 | /* convert a string of -D options (or digits) into an int. |
2283 | * sets *s to point to the char after the options */ | |
2284 | ||
2285 | #ifdef DEBUGGING | |
2286 | int | |
2287 | Perl_get_debug_opts(pTHX_ char **s) | |
2288 | { | |
2289 | int i = 0; | |
2290 | if (isALPHA(**s)) { | |
2291 | /* if adding extra options, remember to update DEBUG_MASK */ | |
2292 | static char debopts[] = "psltocPmfrxu HXDSTRJvC"; | |
2293 | ||
2294 | for (; isALNUM(**s); (*s)++) { | |
2295 | char *d = strchr(debopts,**s); | |
2296 | if (d) | |
2297 | i |= 1 << (d - debopts); | |
2298 | else if (ckWARN_d(WARN_DEBUGGING)) | |
2299 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2300 | "invalid option -D%c\n", **s); | |
2301 | } | |
2302 | } | |
2303 | else { | |
2304 | i = atoi(*s); | |
2305 | for (; isALNUM(**s); (*s)++) ; | |
2306 | } | |
2307 | # ifdef EBCDIC | |
2308 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2309 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2310 | "-Dp not implemented on this platform\n"); | |
2311 | # endif | |
2312 | return i; | |
2313 | } | |
2314 | #endif | |
2315 | ||
79072805 LW |
2316 | /* This routine handles any switches that can be given during run */ |
2317 | ||
2318 | char * | |
864dbfa3 | 2319 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2320 | { |
ba210ebe | 2321 | STRLEN numlen; |
84c133a0 | 2322 | UV rschar; |
79072805 LW |
2323 | |
2324 | switch (*s) { | |
2325 | case '0': | |
a863c7d1 | 2326 | { |
f2095865 JH |
2327 | I32 flags = 0; |
2328 | ||
2329 | SvREFCNT_dec(PL_rs); | |
2330 | if (s[1] == 'x' && s[2]) { | |
2331 | char *e; | |
2332 | U8 *tmps; | |
2333 | ||
2334 | for (s += 2, e = s; *e; e++); | |
2335 | numlen = e - s; | |
2336 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2337 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2338 | if (s + numlen < e) { | |
2339 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2340 | numlen = 0; | |
2341 | s--; | |
2342 | } | |
2343 | PL_rs = newSVpvn("", 0); | |
c5661c80 | 2344 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2345 | tmps = (U8*)SvPVX(PL_rs); |
2346 | uvchr_to_utf8(tmps, rschar); | |
2347 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
2348 | SvUTF8_on(PL_rs); | |
2349 | } | |
2350 | else { | |
2351 | numlen = 4; | |
2352 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
2353 | if (rschar & ~((U8)~0)) | |
2354 | PL_rs = &PL_sv_undef; | |
2355 | else if (!rschar && numlen >= 2) | |
2356 | PL_rs = newSVpvn("", 0); | |
2357 | else { | |
2358 | char ch = (char)rschar; | |
2359 | PL_rs = newSVpvn(&ch, 1); | |
2360 | } | |
2361 | } | |
2362 | return s + numlen; | |
a863c7d1 | 2363 | } |
46487f74 | 2364 | case 'C': |
a05d7ebb JH |
2365 | s++; |
2366 | PL_unicode = parse_unicode_opts(&s); | |
46487f74 | 2367 | return s; |
2304df62 | 2368 | case 'F': |
3280af22 | 2369 | PL_minus_F = TRUE; |
ebce5377 RGS |
2370 | PL_splitstr = ++s; |
2371 | while (*s && !isSPACE(*s)) ++s; | |
2372 | *s = '\0'; | |
2373 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2374 | return s; |
79072805 | 2375 | case 'a': |
3280af22 | 2376 | PL_minus_a = TRUE; |
79072805 LW |
2377 | s++; |
2378 | return s; | |
2379 | case 'c': | |
3280af22 | 2380 | PL_minus_c = TRUE; |
79072805 LW |
2381 | s++; |
2382 | return s; | |
2383 | case 'd': | |
bbce6d69 | 2384 | forbid_setid("-d"); |
4633a7c4 | 2385 | s++; |
70c94a19 RR |
2386 | /* The following permits -d:Mod to accepts arguments following an = |
2387 | in the fashion that -MSome::Mod does. */ | |
2388 | if (*s == ':' || *s == '=') { | |
2389 | char *start; | |
2390 | SV *sv; | |
2391 | sv = newSVpv("use Devel::", 0); | |
2392 | start = ++s; | |
2393 | /* We now allow -d:Module=Foo,Bar */ | |
2394 | while(isALNUM(*s) || *s==':') ++s; | |
2395 | if (*s != '=') | |
2396 | sv_catpv(sv, start); | |
2397 | else { | |
2398 | sv_catpvn(sv, start, s-start); | |
2399 | sv_catpv(sv, " split(/,/,q{"); | |
2400 | sv_catpv(sv, ++s); | |
2401 | sv_catpv(sv, "})"); | |
2402 | } | |
4633a7c4 | 2403 | s += strlen(s); |
70c94a19 | 2404 | my_setenv("PERL5DB", SvPV(sv, PL_na)); |
4633a7c4 | 2405 | } |
ed094faf | 2406 | if (!PL_perldb) { |
3280af22 | 2407 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2408 | init_debugger(); |
ed094faf | 2409 | } |
79072805 LW |
2410 | return s; |
2411 | case 'D': | |
0453d815 | 2412 | { |
79072805 | 2413 | #ifdef DEBUGGING |
bbce6d69 | 2414 | forbid_setid("-D"); |
b4ab917c DM |
2415 | s++; |
2416 | PL_debug = get_debug_opts(&s) | DEBUG_TOP_FLAG; | |
12a43e32 | 2417 | #else /* !DEBUGGING */ |
0453d815 | 2418 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 2419 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
0453d815 | 2420 | "Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e | 2421 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
2422 | #endif |
2423 | /*SUPPRESS 530*/ | |
2424 | return s; | |
0453d815 | 2425 | } |
4633a7c4 | 2426 | case 'h': |
ac27b0f5 | 2427 | usage(PL_origargv[0]); |
7ca617d0 | 2428 | my_exit(0); |
79072805 | 2429 | case 'i': |
3280af22 NIS |
2430 | if (PL_inplace) |
2431 | Safefree(PL_inplace); | |
c030f24b GH |
2432 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
2433 | if (*(s+1) == '\0') { | |
2434 | PL_inplace = savepv(".bak"); | |
2435 | return s+1; | |
2436 | } | |
2437 | #endif /* __CYGWIN__ */ | |
3280af22 | 2438 | PL_inplace = savepv(s+1); |
79072805 | 2439 | /*SUPPRESS 530*/ |
3280af22 | 2440 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2441 | if (*s) { |
fb73857a | 2442 | *s++ = '\0'; |
7b8d334a GS |
2443 | if (*s == '-') /* Additional switches on #! line. */ |
2444 | s++; | |
2445 | } | |
fb73857a | 2446 | return s; |
4e49a025 | 2447 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 2448 | forbid_setid("-I"); |
fb73857a | 2449 | ++s; |
2450 | while (*s && isSPACE(*s)) | |
2451 | ++s; | |
2452 | if (*s) { | |
774d564b | 2453 | char *e, *p; |
0df16ed7 GS |
2454 | p = s; |
2455 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2456 | do { | |
2457 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2458 | p = e; | |
2459 | while (isSPACE(*p)) | |
2460 | p++; | |
2461 | } while (*p && *p != '-'); | |
2462 | e = savepvn(s, e-s); | |
574c798a | 2463 | incpush(e, TRUE, TRUE, FALSE); |
0df16ed7 GS |
2464 | Safefree(e); |
2465 | s = p; | |
2466 | if (*s == '-') | |
2467 | s++; | |
79072805 LW |
2468 | } |
2469 | else | |
a67e862a | 2470 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2471 | return s; |
79072805 | 2472 | case 'l': |
3280af22 | 2473 | PL_minus_l = TRUE; |
79072805 | 2474 | s++; |
7889fe52 NIS |
2475 | if (PL_ors_sv) { |
2476 | SvREFCNT_dec(PL_ors_sv); | |
2477 | PL_ors_sv = Nullsv; | |
2478 | } | |
79072805 | 2479 | if (isDIGIT(*s)) { |
53305cf1 | 2480 | I32 flags = 0; |
7889fe52 | 2481 | PL_ors_sv = newSVpvn("\n",1); |
53305cf1 NC |
2482 | numlen = 3 + (*s == '0'); |
2483 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
2484 | s += numlen; |
2485 | } | |
2486 | else { | |
8bfdd7d9 | 2487 | if (RsPARA(PL_rs)) { |
7889fe52 NIS |
2488 | PL_ors_sv = newSVpvn("\n\n",2); |
2489 | } | |
2490 | else { | |
8bfdd7d9 | 2491 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 2492 | } |
79072805 LW |
2493 | } |
2494 | return s; | |
06492da6 SF |
2495 | case 'A': |
2496 | forbid_setid("-A"); | |
930366bd RGS |
2497 | if (!PL_preambleav) |
2498 | PL_preambleav = newAV(); | |
06492da6 | 2499 | if (*++s) { |
930366bd | 2500 | SV *sv = newSVpvn("use assertions::activate split(/,/,q{",37); |
06492da6 SF |
2501 | sv_catpv(sv,s); |
2502 | sv_catpv(sv,"})"); | |
2503 | s+=strlen(s); | |
06492da6 SF |
2504 | av_push(PL_preambleav, sv); |
2505 | } | |
2506 | else | |
930366bd | 2507 | av_push(PL_preambleav, newSVpvn("use assertions::activate",24)); |
06492da6 | 2508 | return s; |
1a30305b | 2509 | case 'M': |
bbce6d69 | 2510 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2511 | /* FALL THROUGH */ |
2512 | case 'm': | |
bbce6d69 | 2513 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2514 | if (*++s) { |
a5f75d66 | 2515 | char *start; |
11343788 | 2516 | SV *sv; |
a5f75d66 AD |
2517 | char *use = "use "; |
2518 | /* -M-foo == 'no foo' */ | |
2519 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2520 | sv = newSVpv(use,0); |
a5f75d66 | 2521 | start = s; |
1a30305b | 2522 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2523 | while(isALNUM(*s) || *s==':') ++s; |
2524 | if (*s != '=') { | |
11343788 | 2525 | sv_catpv(sv, start); |
c07a80fd | 2526 | if (*(start-1) == 'm') { |
2527 | if (*s != '\0') | |
cea2e8a9 | 2528 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2529 | sv_catpv( sv, " ()"); |
c07a80fd | 2530 | } |
2531 | } else { | |
6df41af2 | 2532 | if (s == start) |
be98fb35 GS |
2533 | Perl_croak(aTHX_ "Module name required with -%c option", |
2534 | s[-1]); | |
11343788 MB |
2535 | sv_catpvn(sv, start, s-start); |
2536 | sv_catpv(sv, " split(/,/,q{"); | |
2537 | sv_catpv(sv, ++s); | |
2538 | sv_catpv(sv, "})"); | |
c07a80fd | 2539 | } |
1a30305b | 2540 | s += strlen(s); |
5c831c24 | 2541 | if (!PL_preambleav) |
3280af22 NIS |
2542 | PL_preambleav = newAV(); |
2543 | av_push(PL_preambleav, sv); | |
1a30305b | 2544 | } |
2545 | else | |
cea2e8a9 | 2546 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2547 | return s; |
79072805 | 2548 | case 'n': |
3280af22 | 2549 | PL_minus_n = TRUE; |
79072805 LW |
2550 | s++; |
2551 | return s; | |
2552 | case 'p': | |
3280af22 | 2553 | PL_minus_p = TRUE; |
79072805 LW |
2554 | s++; |
2555 | return s; | |
2556 | case 's': | |
bbce6d69 | 2557 | forbid_setid("-s"); |
3280af22 | 2558 | PL_doswitches = TRUE; |
79072805 LW |
2559 | s++; |
2560 | return s; | |
6537fe72 MS |
2561 | case 't': |
2562 | if (!PL_tainting) | |
22f7c9c9 | 2563 | TOO_LATE_FOR('t'); |
6537fe72 MS |
2564 | s++; |
2565 | return s; | |
463ee0b2 | 2566 | case 'T': |
3280af22 | 2567 | if (!PL_tainting) |
22f7c9c9 | 2568 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
2569 | s++; |
2570 | return s; | |
79072805 | 2571 | case 'u': |
bf4acbe4 GS |
2572 | #ifdef MACOS_TRADITIONAL |
2573 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
2574 | #endif | |
3280af22 | 2575 | PL_do_undump = TRUE; |
79072805 LW |
2576 | s++; |
2577 | return s; | |
2578 | case 'U': | |
3280af22 | 2579 | PL_unsafe = TRUE; |
79072805 LW |
2580 | s++; |
2581 | return s; | |
2582 | case 'v': | |
8e9464f1 | 2583 | #if !defined(DGUX) |
b0e47665 | 2584 | PerlIO_printf(PerlIO_stdout(), |
d2560b70 | 2585 | Perl_form(aTHX_ "\nThis is perl, v%"VDf" built for %s", |
b0e47665 | 2586 | PL_patchlevel, ARCHNAME)); |
8e9464f1 JH |
2587 | #else /* DGUX */ |
2588 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
2589 | PerlIO_printf(PerlIO_stdout(), | |
2590 | Perl_form(aTHX_ "\nThis is perl, version %vd\n", PL_patchlevel)); | |
2591 | PerlIO_printf(PerlIO_stdout(), | |
2592 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
2593 | OSNAME, __DATE__, __TIME__)); | |
2594 | PerlIO_printf(PerlIO_stdout(), | |
2595 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 2596 | OSVERS)); |
8e9464f1 JH |
2597 | #endif /* !DGUX */ |
2598 | ||
fb73857a | 2599 | #if defined(LOCAL_PATCH_COUNT) |
2600 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
2601 | PerlIO_printf(PerlIO_stdout(), |
2602 | "\n(with %d registered patch%s, " | |
2603 | "see perl -V for more detail)", | |
2604 | (int)LOCAL_PATCH_COUNT, | |
2605 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 2606 | #endif |
1a30305b | 2607 | |
b0e47665 | 2608 | PerlIO_printf(PerlIO_stdout(), |
4c79ee7a | 2609 | "\n\nCopyright 1987-2003, Larry Wall\n"); |
eae9c151 JH |
2610 | #ifdef MACOS_TRADITIONAL |
2611 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 2612 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 2613 | "maintained by Chris Nandor\n"); |
eae9c151 | 2614 | #endif |
79072805 | 2615 | #ifdef MSDOS |
b0e47665 GS |
2616 | PerlIO_printf(PerlIO_stdout(), |
2617 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 2618 | #endif |
2619 | #ifdef DJGPP | |
b0e47665 GS |
2620 | PerlIO_printf(PerlIO_stdout(), |
2621 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
2622 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 2623 | #endif |
79072805 | 2624 | #ifdef OS2 |
b0e47665 GS |
2625 | PerlIO_printf(PerlIO_stdout(), |
2626 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 2627 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2628 | #endif |
79072805 | 2629 | #ifdef atarist |
b0e47665 GS |
2630 | PerlIO_printf(PerlIO_stdout(), |
2631 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 2632 | #endif |
a3f9223b | 2633 | #ifdef __BEOS__ |
b0e47665 GS |
2634 | PerlIO_printf(PerlIO_stdout(), |
2635 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 2636 | #endif |
1d84e8df | 2637 | #ifdef MPE |
b0e47665 | 2638 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 2639 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 2640 | #endif |
9d116dd7 | 2641 | #ifdef OEMVS |
b0e47665 GS |
2642 | PerlIO_printf(PerlIO_stdout(), |
2643 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 2644 | #endif |
495c5fdc | 2645 | #ifdef __VOS__ |
b0e47665 | 2646 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 2647 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 2648 | #endif |
092bebab | 2649 | #ifdef __OPEN_VM |
b0e47665 GS |
2650 | PerlIO_printf(PerlIO_stdout(), |
2651 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 2652 | #endif |
a1a0e61e | 2653 | #ifdef POSIX_BC |
b0e47665 GS |
2654 | PerlIO_printf(PerlIO_stdout(), |
2655 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 2656 | #endif |
61ae2fbf | 2657 | #ifdef __MINT__ |
b0e47665 GS |
2658 | PerlIO_printf(PerlIO_stdout(), |
2659 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 2660 | #endif |
f83d2536 | 2661 | #ifdef EPOC |
b0e47665 | 2662 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2663 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 2664 | #endif |
e1caacb4 | 2665 | #ifdef UNDER_CE |
b475b3e6 JH |
2666 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
2667 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
2668 | wce_hitreturn(); |
2669 | #endif | |
baed7233 DL |
2670 | #ifdef BINARY_BUILD_NOTICE |
2671 | BINARY_BUILD_NOTICE; | |
2672 | #endif | |
b0e47665 GS |
2673 | PerlIO_printf(PerlIO_stdout(), |
2674 | "\n\ | |
79072805 | 2675 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 2676 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 GS |
2677 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
2678 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2679 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
7ca617d0 | 2680 | my_exit(0); |
79072805 | 2681 | case 'w': |
599cee73 | 2682 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 2683 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
2684 | s++; |
2685 | return s; | |
2686 | case 'W': | |
ac27b0f5 | 2687 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
2688 | if (!specialWARN(PL_compiling.cop_warnings)) |
2689 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2690 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
2691 | s++; |
2692 | return s; | |
2693 | case 'X': | |
ac27b0f5 | 2694 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
2695 | if (!specialWARN(PL_compiling.cop_warnings)) |
2696 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2697 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
2698 | s++; |
2699 | return s; | |
a0d0e21e | 2700 | case '*': |
79072805 LW |
2701 | case ' ': |
2702 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2703 | return s+2; | |
2704 | break; | |
a0d0e21e | 2705 | case '-': |
79072805 | 2706 | case 0: |
51882d45 | 2707 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2708 | case '\r': |
2709 | #endif | |
79072805 LW |
2710 | case '\n': |
2711 | case '\t': | |
2712 | break; | |
aa689395 | 2713 | #ifdef ALTERNATE_SHEBANG |
2714 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2715 | break; | |
2716 | #endif | |
a0d0e21e | 2717 | case 'P': |
3280af22 | 2718 | if (PL_preprocess) |
a0d0e21e LW |
2719 | return s+1; |
2720 | /* FALL THROUGH */ | |
79072805 | 2721 | default: |
cea2e8a9 | 2722 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2723 | } |
2724 | return Nullch; | |
2725 | } | |
2726 | ||
2727 | /* compliments of Tom Christiansen */ | |
2728 | ||
2729 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2730 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2731 | |
2732 | void | |
864dbfa3 | 2733 | Perl_my_unexec(pTHX) |
79072805 LW |
2734 | { |
2735 | #ifdef UNEXEC | |
46fc3d4c | 2736 | SV* prog; |
2737 | SV* file; | |
ee580363 | 2738 | int status = 1; |
79072805 LW |
2739 | extern int etext; |
2740 | ||
ee580363 | 2741 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2742 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2743 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2744 | sv_catpv(file, ".perldump"); |
79072805 | 2745 | |
ee580363 GS |
2746 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2747 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2748 | PerlProc_exit(status); |
79072805 | 2749 | #else |
a5f75d66 AD |
2750 | # ifdef VMS |
2751 | # include <lib$routines.h> | |
2752 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2753 | # else |
79072805 | 2754 | ABORT(); /* for use with undump */ |
aa689395 | 2755 | # endif |
a5f75d66 | 2756 | #endif |
79072805 LW |
2757 | } |
2758 | ||
cb68f92d GS |
2759 | /* initialize curinterp */ |
2760 | STATIC void | |
cea2e8a9 | 2761 | S_init_interp(pTHX) |
cb68f92d GS |
2762 | { |
2763 | ||
acfe0abc GS |
2764 | #ifdef MULTIPLICITY |
2765 | # define PERLVAR(var,type) | |
2766 | # define PERLVARA(var,n,type) | |
2767 | # if defined(PERL_IMPLICIT_CONTEXT) | |
2768 | # if defined(USE_5005THREADS) | |
2769 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
c5be433b | 2770 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
2771 | # else /* !USE_5005THREADS */ |
2772 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2773 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2774 | # endif /* USE_5005THREADS */ | |
3967c732 | 2775 | # else |
acfe0abc GS |
2776 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2777 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 2778 | # endif |
acfe0abc GS |
2779 | # include "intrpvar.h" |
2780 | # ifndef USE_5005THREADS | |
2781 | # include "thrdvar.h" | |
2782 | # endif | |
2783 | # undef PERLVAR | |
2784 | # undef PERLVARA | |
2785 | # undef PERLVARI | |
2786 | # undef PERLVARIC | |
2787 | #else | |
2788 | # define PERLVAR(var,type) | |
2789 | # define PERLVARA(var,n,type) | |
2790 | # define PERLVARI(var,type,init) PL_##var = init; | |
2791 | # define PERLVARIC(var,type,init) PL_##var = init; | |
2792 | # include "intrpvar.h" | |
2793 | # ifndef USE_5005THREADS | |
2794 | # include "thrdvar.h" | |
2795 | # endif | |
2796 | # undef PERLVAR | |
2797 | # undef PERLVARA | |
2798 | # undef PERLVARI | |
2799 | # undef PERLVARIC | |
cb68f92d GS |
2800 | #endif |
2801 | ||
cb68f92d GS |
2802 | } |
2803 | ||
76e3520e | 2804 | STATIC void |
cea2e8a9 | 2805 | S_init_main_stash(pTHX) |
79072805 | 2806 | { |
463ee0b2 | 2807 | GV *gv; |
6e72f9df | 2808 | |
3280af22 | 2809 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2810 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2811 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2812 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2813 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2814 | SvREADONLY_on(gv); |
3280af22 NIS |
2815 | HvNAME(PL_defstash) = savepv("main"); |
2816 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2817 | GvMULTI_on(PL_incgv); | |
2818 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2819 | GvMULTI_on(PL_hintgv); | |
2820 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2821 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2822 | GvMULTI_on(PL_errgv); | |
2823 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2824 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2825 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2826 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2827 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2828 | PL_curstash = PL_defstash; |
11faa288 | 2829 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2830 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2831 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2832 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2833 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2834 | } |
2835 | ||
76e3520e | 2836 | STATIC void |
cea2e8a9 | 2837 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2838 | { |
1b24ed4b MS |
2839 | char *quote; |
2840 | char *code; | |
2841 | char *cpp_discard_flag; | |
2842 | char *perl; | |
2843 | ||
6c4ab083 | 2844 | *fdscript = -1; |
79072805 | 2845 | |
3280af22 NIS |
2846 | if (PL_e_script) { |
2847 | PL_origfilename = savepv("-e"); | |
96436eeb | 2848 | } |
6c4ab083 GS |
2849 | else { |
2850 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2851 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2852 | |
2853 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2854 | char *s = scriptname + 8; | |
2855 | *fdscript = atoi(s); | |
2856 | while (isDIGIT(*s)) | |
2857 | s++; | |
2858 | if (*s) { | |
2859 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2860 | Safefree(PL_origfilename); |
2861 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2862 | } |
2863 | } | |
2864 | } | |
2865 | ||
05ec9bb3 | 2866 | CopFILE_free(PL_curcop); |
57843af0 | 2867 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2868 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2869 | scriptname = ""; |
01f988be | 2870 | if (*fdscript >= 0) { |
3280af22 | 2871 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2872 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2873 | if (PL_rsfp) | |
2874 | /* ensure close-on-exec */ | |
2875 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2876 | # endif | |
96436eeb | 2877 | } |
3280af22 | 2878 | else if (PL_preprocess) { |
46fc3d4c | 2879 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2880 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2881 | SV *cmd = NEWSV(0,0); |
2882 | ||
ae58f265 JH |
2883 | if (cpp_cfg[0] == 0) /* PERL_MICRO? */ |
2884 | Perl_croak(aTHX_ "Can't run with cpp -P with CPPSTDIN undefined"); | |
46fc3d4c | 2885 | if (strEQ(cpp_cfg, "cppstdin")) |
cea2e8a9 | 2886 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2887 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2888 | |
1b24ed4b MS |
2889 | # ifndef VMS |
2890 | sv_catpvn(sv, "-I", 2); | |
2891 | sv_catpv(sv,PRIVLIB_EXP); | |
2892 | # endif | |
46fc3d4c | 2893 | |
14953ddc MB |
2894 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2895 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
2896 | scriptname, SvPVX (cpp), SvPVX (sv), CPPMINUS)); | |
1b24ed4b MS |
2897 | |
2898 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
2899 | quote = "\""; | |
2900 | # else | |
2901 | quote = "'"; | |
2902 | # endif | |
2903 | ||
2904 | # ifdef VMS | |
2905 | cpp_discard_flag = ""; | |
2906 | # else | |
2907 | cpp_discard_flag = "-C"; | |
2908 | # endif | |
2909 | ||
2910 | # ifdef OS2 | |
2911 | perl = os2_execname(aTHX); | |
2912 | # else | |
2913 | perl = PL_origargv[0]; | |
2914 | # endif | |
2915 | ||
2916 | ||
2917 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
2918 | the C pre-processor, including #!. #line directives are |
2919 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
2920 | of #line. FWP played some golf with it so it will fit |
2921 | into VMS's 255 character buffer. | |
2922 | */ | |
2923 | if( PL_doextract ) | |
2924 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2925 | else | |
2926 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2927 | ||
2928 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
2929 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
62375a60 | 2930 | perl, quote, code, quote, scriptname, cpp, |
1b24ed4b MS |
2931 | cpp_discard_flag, sv, CPPMINUS); |
2932 | ||
3280af22 | 2933 | PL_doextract = FALSE; |
1b24ed4b MS |
2934 | # ifdef IAMSUID /* actually, this is caught earlier */ |
2935 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ | |
2936 | # ifdef HAS_SETEUID | |
2937 | (void)seteuid(PL_uid); /* musn't stay setuid root */ | |
2938 | # else | |
2939 | # ifdef HAS_SETREUID | |
2940 | (void)setreuid((Uid_t)-1, PL_uid); | |
2941 | # else | |
2942 | # ifdef HAS_SETRESUID | |
2943 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); | |
2944 | # else | |
2945 | PerlProc_setuid(PL_uid); | |
2946 | # endif | |
2947 | # endif | |
2948 | # endif | |
b28d0864 | 2949 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2950 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 | 2951 | } |
1b24ed4b | 2952 | # endif /* IAMSUID */ |
0a6c758d | 2953 | |
62375a60 NIS |
2954 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2955 | "PL_preprocess: cmd=\"%s\"\n", | |
0a6c758d MS |
2956 | SvPVX(cmd))); |
2957 | ||
3280af22 | 2958 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2959 | SvREFCNT_dec(cmd); |
2960 | SvREFCNT_dec(cpp); | |
79072805 LW |
2961 | } |
2962 | else if (!*scriptname) { | |
bbce6d69 | 2963 | forbid_setid("program input from stdin"); |
3280af22 | 2964 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2965 | } |
96436eeb | 2966 | else { |
3280af22 | 2967 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2968 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2969 | if (PL_rsfp) | |
2970 | /* ensure close-on-exec */ | |
2971 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2972 | # endif | |
96436eeb | 2973 | } |
3280af22 | 2974 | if (!PL_rsfp) { |
1b24ed4b MS |
2975 | # ifdef DOSUID |
2976 | # ifndef IAMSUID /* in case script is not readable before setuid */ | |
2977 | if (PL_euid && | |
2978 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && | |
2979 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
2980 | { | |
2981 | /* try again */ | |
b35112e7 | 2982 | PERL_FPU_PRE_EXEC |
62375a60 NIS |
2983 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, |
2984 | BIN_EXP, (int)PERL_REVISION, | |
1b24ed4b MS |
2985 | (int)PERL_VERSION, |
2986 | (int)PERL_SUBVERSION), PL_origargv); | |
b35112e7 | 2987 | PERL_FPU_POST_EXEC |
1b24ed4b MS |
2988 | Perl_croak(aTHX_ "Can't do setuid\n"); |
2989 | } | |
2990 | # endif | |
2991 | # endif | |
2992 | # ifdef IAMSUID | |
2993 | errno = EPERM; | |
2b8ca739 | 2994 | Perl_croak(aTHX_ "Permission denied\n"); |
1b24ed4b MS |
2995 | # else |
2996 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
2997 | CopFILE(PL_curcop), Strerror(errno)); | |
2998 | # endif | |
13281fa4 | 2999 | } |
79072805 | 3000 | } |
8d063cd8 | 3001 | |
7b89560d JH |
3002 | /* Mention |
3003 | * I_SYSSTATVFS HAS_FSTATVFS | |
3004 | * I_SYSMOUNT | |
c890dc6c | 3005 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3006 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3007 | * here so that metaconfig picks them up. */ | |
3008 | ||
104d25b7 | 3009 | #ifdef IAMSUID |
864dbfa3 | 3010 | STATIC int |
e688b231 | 3011 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 3012 | { |
0545a864 JH |
3013 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
3014 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 3015 | /* |
ad27e871 | 3016 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 3017 | * fstatvfs() is UNIX98. |
0545a864 | 3018 | * fstatfs() is 4.3 BSD. |
ad27e871 | 3019 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
3020 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
3021 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
3022 | */ |
3023 | ||
6439433f JH |
3024 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
3025 | ||
3026 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3027 | defined(HAS_FSTATVFS) | |
3028 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 3029 | struct statvfs stfs; |
6439433f | 3030 | |
104d25b7 JH |
3031 | check_okay = fstatvfs(fd, &stfs) == 0; |
3032 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
6439433f | 3033 | # endif /* fstatvfs */ |
ac27b0f5 | 3034 | |
6439433f JH |
3035 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
3036 | defined(PERL_MOUNT_NOSUID) && \ | |
3037 | defined(HAS_FSTATFS) && \ | |
3038 | defined(HAS_STRUCT_STATFS) && \ | |
3039 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
3040 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 3041 | struct statfs stfs; |
6439433f | 3042 | |
104d25b7 | 3043 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 3044 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
6439433f JH |
3045 | # endif /* fstatfs */ |
3046 | ||
3047 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3048 | defined(PERL_MOUNT_NOSUID) && \ | |
3049 | defined(HAS_FSTAT) && \ | |
3050 | defined(HAS_USTAT) && \ | |
3051 | defined(HAS_GETMNT) && \ | |
3052 | defined(HAS_STRUCT_FS_DATA) && \ | |
3053 | defined(NOSTAT_ONE) | |
3054 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 3055 | Stat_t fdst; |
6439433f | 3056 | |
0545a864 | 3057 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
3058 | struct ustat us; |
3059 | if (ustat(fdst.st_dev, &us) == 0) { | |
3060 | struct fs_data fsd; | |
3061 | /* NOSTAT_ONE here because we're not examining fields which | |
3062 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 3063 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
3064 | size_t cmplen = sizeof(us.f_fname); |
3065 | if (sizeof(fsd.fd_req.path) < cmplen) | |
3066 | cmplen = sizeof(fsd.fd_req.path); | |
3067 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
3068 | fdst.st_dev == fsd.fd_req.dev) { | |
3069 | check_okay = 1; | |
3070 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
3071 | } | |
3072 | } | |
3073 | } | |
3074 | } | |
0545a864 | 3075 | } |
6439433f JH |
3076 | # endif /* fstat+ustat+getmnt */ |
3077 | ||
3078 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3079 | defined(HAS_GETMNTENT) && \ | |
3080 | defined(HAS_HASMNTOPT) && \ | |
3081 | defined(MNTOPT_NOSUID) | |
3082 | # define FD_ON_NOSUID_CHECK_OKAY | |
3083 | FILE *mtab = fopen("/etc/mtab", "r"); | |
3084 | struct mntent *entry; | |
c623ac67 | 3085 | Stat_t stb, fsb; |
104d25b7 JH |
3086 | |
3087 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
3088 | while (entry = getmntent(mtab)) { |
3089 | if (stat(entry->mnt_dir, &fsb) == 0 | |
3090 | && fsb.st_dev == stb.st_dev) | |
3091 | { | |
3092 | /* found the filesystem */ | |
3093 | check_okay = 1; | |
3094 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
3095 | on_nosuid = 1; | |
3096 | break; | |
3097 | } /* A single fs may well fail its stat(). */ | |
3098 | } | |
104d25b7 JH |
3099 | } |
3100 | if (mtab) | |
6439433f JH |
3101 | fclose(mtab); |
3102 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 3103 | |
ac27b0f5 | 3104 | if (!check_okay) |
0545a864 | 3105 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
3106 | return on_nosuid; |
3107 | } | |
3108 | #endif /* IAMSUID */ | |
3109 | ||
76e3520e | 3110 | STATIC void |
cea2e8a9 | 3111 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 3112 | { |
155aba94 | 3113 | #ifdef IAMSUID |
96436eeb | 3114 | int which; |
155aba94 | 3115 | #endif |
96436eeb | 3116 | |
13281fa4 LW |
3117 | /* do we need to emulate setuid on scripts? */ |
3118 | ||
3119 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
3120 | * in the kernel because of a security problem. Merely defining DOSUID | |
3121 | * in perl will not fix that problem, but if you have disabled setuid | |
3122 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
3123 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
3124 | * root version must be called suidperl or sperlN.NNN. If regular perl |
3125 | * discovers that it has opened a setuid script, it calls suidperl with | |
3126 | * the same argv that it had. If suidperl finds that the script it has | |
3127 | * just opened is NOT setuid root, it sets the effective uid back to the | |
3128 | * uid. We don't just make perl setuid root because that loses the | |
3129 | * effective uid we had before invoking perl, if it was different from the | |
3130 | * uid. | |
13281fa4 LW |
3131 | * |
3132 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
3133 | * be defined in suidperl only. suidperl must be setuid root. The | |
3134 | * Configure script will set this up for you if you want it. | |
3135 | */ | |
a687059c | 3136 | |
13281fa4 | 3137 | #ifdef DOSUID |
6e72f9df | 3138 | char *s, *s2; |
a0d0e21e | 3139 | |
b28d0864 | 3140 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 3141 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 3142 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 3143 | I32 len; |
2d8e6c8d | 3144 | STRLEN n_a; |
13281fa4 | 3145 | |
a687059c | 3146 | #ifdef IAMSUID |
fe14fcc3 | 3147 | #ifndef HAS_SETREUID |
a687059c LW |
3148 | /* On this access check to make sure the directories are readable, |
3149 | * there is actually a small window that the user could use to make | |
3150 | * filename point to an accessible directory. So there is a faint | |
3151 | * chance that someone could execute a setuid script down in a | |
3152 | * non-accessible directory. I don't know what to do about that. | |
3153 | * But I don't think it's too important. The manual lies when | |
3154 | * it says access() is useful in setuid programs. | |
3155 | */ | |
cc49e20b | 3156 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 3157 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
3158 | #else |
3159 | /* If we can swap euid and uid, then we can determine access rights | |
3160 | * with a simple stat of the file, and then compare device and | |
3161 | * inode to make sure we did stat() on the same file we opened. | |
3162 | * Then we just have to make sure he or she can execute it. | |
3163 | */ | |
3164 | { | |
c623ac67 | 3165 | Stat_t tmpstatbuf; |
a687059c | 3166 | |
85e6fe83 LW |
3167 | if ( |
3168 | #ifdef HAS_SETREUID | |
b28d0864 | 3169 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
3170 | #else |
3171 | # if HAS_SETRESUID | |
b28d0864 | 3172 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 3173 | # endif |
85e6fe83 | 3174 | #endif |
b28d0864 | 3175 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3176 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 3177 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 3178 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 3179 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 3180 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 3181 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 3182 | #endif |
b28d0864 NIS |
3183 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
3184 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
3185 | (void)PerlIO_close(PL_rsfp); | |
cea2e8a9 | 3186 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3187 | } |
85e6fe83 LW |
3188 | if ( |
3189 | #ifdef HAS_SETREUID | |
b28d0864 | 3190 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
3191 | #else |
3192 | # if defined(HAS_SETRESUID) | |
b28d0864 | 3193 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 3194 | # endif |
85e6fe83 | 3195 | #endif |
b28d0864 | 3196 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 3197 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 3198 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 3199 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3200 | } |
fe14fcc3 | 3201 | #endif /* HAS_SETREUID */ |
a687059c LW |
3202 | #endif /* IAMSUID */ |
3203 | ||
b28d0864 | 3204 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 3205 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 3206 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 3207 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 3208 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 3209 | CopLINE_inc(PL_curcop); |
6b88bc9c | 3210 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 3211 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 3212 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 3213 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 3214 | if (*s == ' ') s++; |
45d8adaa | 3215 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 3216 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 3217 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
3218 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 3219 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 3220 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
3221 | /* |
3222 | * #! arg must be what we saw above. They can invoke it by | |
3223 | * mentioning suidperl explicitly, but they may not add any strange | |
3224 | * arguments beyond what #! says if they do invoke suidperl that way. | |
3225 | */ | |
3226 | len = strlen(validarg); | |
3227 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 3228 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 3229 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
3230 | |
3231 | #ifndef IAMSUID | |
b28d0864 NIS |
3232 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
3233 | PL_euid == PL_statbuf.st_uid) | |
3234 | if (!PL_do_undump) | |
cea2e8a9 | 3235 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3236 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3237 | #endif /* IAMSUID */ | |
13281fa4 | 3238 | |
b28d0864 NIS |
3239 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
3240 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 3241 | #ifndef IAMSUID |
46fc3d4c | 3242 | /* try again */ |
b35112e7 | 3243 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 3244 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3245 | (int)PERL_REVISION, (int)PERL_VERSION, |
3246 | (int)PERL_SUBVERSION), PL_origargv); | |
b35112e7 | 3247 | PERL_FPU_POST_EXEC |
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 |
2b8ca739 | 3314 | Perl_croak(aTHX_ "Permission denied\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 |
b35112e7 | 3329 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 3330 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3331 | (int)PERL_REVISION, (int)PERL_VERSION, |
3332 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
b35112e7 | 3333 | PERL_FPU_POST_EXEC |
cea2e8a9 | 3334 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 3335 | #endif /* IAMSUID */ |
a687059c | 3336 | #else /* !DOSUID */ |
3280af22 | 3337 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 3338 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
3339 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
3340 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 3341 | || |
b28d0864 | 3342 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3343 | ) |
b28d0864 | 3344 | if (!PL_do_undump) |
cea2e8a9 | 3345 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3346 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3347 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
3348 | /* not set-id, must be wrapped */ | |
a687059c | 3349 | } |
13281fa4 | 3350 | #endif /* DOSUID */ |
79072805 | 3351 | } |
13281fa4 | 3352 | |
76e3520e | 3353 | STATIC void |
cea2e8a9 | 3354 | S_find_beginning(pTHX) |
79072805 | 3355 | { |
6e72f9df | 3356 | register char *s, *s2; |
e55ac0fa HS |
3357 | #ifdef MACOS_TRADITIONAL |
3358 | int maclines = 0; | |
3359 | #endif | |
33b78306 LW |
3360 | |
3361 | /* skip forward in input to the real script? */ | |
3362 | ||
bbce6d69 | 3363 | forbid_setid("-x"); |
bf4acbe4 | 3364 | #ifdef MACOS_TRADITIONAL |
084592ab | 3365 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 3366 | |
bf4acbe4 GS |
3367 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
3368 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) { | |
3369 | if (!gMacPerl_AlwaysExtract) | |
3370 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 3371 | |
bf4acbe4 GS |
3372 | if (PL_doextract) /* require explicit override ? */ |
3373 | if (!OverrideExtract(PL_origfilename)) | |
3374 | Perl_croak(aTHX_ "User aborted script\n"); | |
3375 | else | |
3376 | PL_doextract = FALSE; | |
e55ac0fa | 3377 | |
bf4acbe4 GS |
3378 | /* Pater peccavi, file does not have #! */ |
3379 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 3380 | |
bf4acbe4 GS |
3381 | break; |
3382 | } | |
3383 | #else | |
3280af22 NIS |
3384 | while (PL_doextract) { |
3385 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 3386 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 3387 | #endif |
4f0c37ba IZ |
3388 | s2 = s; |
3389 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
3390 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
3391 | PL_doextract = FALSE; | |
6e72f9df | 3392 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3393 | s2 = s; | |
3394 | while (*s == ' ' || *s == '\t') s++; | |
3395 | if (*s++ == '-') { | |
3396 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
3397 | if (strnEQ(s2-4,"perl",4)) | |
3398 | /*SUPPRESS 530*/ | |
155aba94 GS |
3399 | while ((s = moreswitches(s))) |
3400 | ; | |
33b78306 | 3401 | } |
95e8664e | 3402 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
3403 | /* We are always searching for the #!perl line in MacPerl, |
3404 | * so if we find it, still keep the line count correct | |
3405 | * by counting lines we already skipped over | |
3406 | */ | |
3407 | for (; maclines > 0 ; maclines--) | |
3408 | PerlIO_ungetc(PL_rsfp, '\n'); | |
3409 | ||
95e8664e | 3410 | break; |
e55ac0fa HS |
3411 | |
3412 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
3413 | } else if (gMacPerl_AlwaysExtract) { | |
3414 | ++maclines; | |
95e8664e | 3415 | #endif |
83025b21 LW |
3416 | } |
3417 | } | |
3418 | } | |
3419 | ||
afe37c7d | 3420 | |
76e3520e | 3421 | STATIC void |
cea2e8a9 | 3422 | S_init_ids(pTHX) |
352d5a3a | 3423 | { |
d8eceb89 JH |
3424 | PL_uid = PerlProc_getuid(); |
3425 | PL_euid = PerlProc_geteuid(); | |
3426 | PL_gid = PerlProc_getgid(); | |
3427 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3428 | #ifdef VMS |
b28d0864 NIS |
3429 | PL_uid |= PL_gid << 16; |
3430 | PL_euid |= PL_egid << 16; | |
748a9306 | 3431 | #endif |
22f7c9c9 JH |
3432 | /* Should not happen: */ |
3433 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 3434 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 3435 | } |
79072805 | 3436 | |
a0643315 JH |
3437 | /* This is used very early in the lifetime of the program, |
3438 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3439 | * not been initialized properly. */ |
af419de7 | 3440 | bool |
22f7c9c9 JH |
3441 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
3442 | { | |
c3446a78 JH |
3443 | #ifndef PERL_IMPLICIT_SYS |
3444 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3445 | * before we have an interpreter-- and the whole point of this | |
3446 | * function is to be called at such an early stage. If you are on | |
3447 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3448 | * "tainted because running with altered effective ids', you'll | |
3449 | * have to add your own checks somewhere in here. The two most | |
3450 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3451 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3452 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3453 | int euid = PerlProc_geteuid(); |
af419de7 | 3454 | int gid = PerlProc_getgid(); |
22f7c9c9 JH |
3455 | int egid = PerlProc_getegid(); |
3456 | ||
3457 | #ifdef VMS | |
af419de7 | 3458 | uid |= gid << 16; |
22f7c9c9 JH |
3459 | euid |= egid << 16; |
3460 | #endif | |
3461 | if (uid && (euid != uid || egid != gid)) | |
3462 | return 1; | |
c3446a78 | 3463 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3464 | /* This is a really primitive check; environment gets ignored only |
3465 | * if -T are the first chars together; otherwise one gets | |
3466 | * "Too late" message. */ | |
22f7c9c9 JH |
3467 | if ( argc > 1 && argv[1][0] == '-' |
3468 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3469 | return 1; | |
3470 | return 0; | |
3471 | } | |
22f7c9c9 | 3472 | |
76e3520e | 3473 | STATIC void |
cea2e8a9 | 3474 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 3475 | { |
3280af22 | 3476 | if (PL_euid != PL_uid) |
cea2e8a9 | 3477 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 3478 | if (PL_egid != PL_gid) |
cea2e8a9 | 3479 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 3480 | } |
3481 | ||
1ee4443e IZ |
3482 | void |
3483 | Perl_init_debugger(pTHX) | |
748a9306 | 3484 | { |
1ee4443e IZ |
3485 | HV *ostash = PL_curstash; |
3486 | ||
3280af22 | 3487 | PL_curstash = PL_debstash; |
7619c85e | 3488 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("DB::args", GV_ADDMULTI, SVt_PVAV)))); |
3280af22 | 3489 | AvREAL_off(PL_dbargs); |
7619c85e RG |
3490 | PL_DBgv = gv_fetchpv("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3491 | PL_DBline = gv_fetchpv("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3492 | PL_DBsub = gv_HVadd(gv_fetchpv("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 3493 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
7619c85e | 3494 | PL_DBsingle = GvSV((gv_fetchpv("DB::single", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3495 | sv_setiv(PL_DBsingle, 0); |
7619c85e | 3496 | PL_DBtrace = GvSV((gv_fetchpv("DB::trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3497 | sv_setiv(PL_DBtrace, 0); |
7619c85e | 3498 | PL_DBsignal = GvSV((gv_fetchpv("DB::signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3499 | sv_setiv(PL_DBsignal, 0); |
06492da6 SF |
3500 | PL_DBassertion = GvSV((gv_fetchpv("assertion", GV_ADDMULTI, SVt_PV))); |
3501 | sv_setiv(PL_DBassertion, 0); | |
1ee4443e | 3502 | PL_curstash = ostash; |
352d5a3a LW |
3503 | } |
3504 | ||
2ce36478 SM |
3505 | #ifndef STRESS_REALLOC |
3506 | #define REASONABLE(size) (size) | |
3507 | #else | |
3508 | #define REASONABLE(size) (1) /* unreasonable */ | |
3509 | #endif | |
3510 | ||
11343788 | 3511 | void |
cea2e8a9 | 3512 | Perl_init_stacks(pTHX) |
79072805 | 3513 | { |
e336de0d | 3514 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3515 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3516 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3517 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3518 | PL_curstack = PL_curstackinfo->si_stack; | |
3519 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3520 | |
3280af22 NIS |
3521 | PL_stack_base = AvARRAY(PL_curstack); |
3522 | PL_stack_sp = PL_stack_base; | |
3523 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3524 | |
3280af22 NIS |
3525 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
3526 | PL_tmps_floor = -1; | |
3527 | PL_tmps_ix = -1; | |
3528 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3529 | |
3280af22 NIS |
3530 | New(54,PL_markstack,REASONABLE(32),I32); |
3531 | PL_markstack_ptr = PL_markstack; | |
3532 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3533 | |
ce2f7c3b | 3534 | SET_MARK_OFFSET; |
e336de0d | 3535 | |
3280af22 NIS |
3536 | New(54,PL_scopestack,REASONABLE(32),I32); |
3537 | PL_scopestack_ix = 0; | |
3538 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3539 | |
3280af22 NIS |
3540 | New(54,PL_savestack,REASONABLE(128),ANY); |
3541 | PL_savestack_ix = 0; | |
3542 | PL_savestack_max = REASONABLE(128); | |
79072805 | 3543 | |
3280af22 NIS |
3544 | New(54,PL_retstack,REASONABLE(16),OP*); |
3545 | PL_retstack_ix = 0; | |
3546 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 3547 | } |
33b78306 | 3548 | |
2ce36478 SM |
3549 | #undef REASONABLE |
3550 | ||
76e3520e | 3551 | STATIC void |
cea2e8a9 | 3552 | S_nuke_stacks(pTHX) |
6e72f9df | 3553 | { |
3280af22 NIS |
3554 | while (PL_curstackinfo->si_next) |
3555 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3556 | while (PL_curstackinfo) { | |
3557 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3558 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3559 | Safefree(PL_curstackinfo->si_cxstack); |
3560 | Safefree(PL_curstackinfo); | |
3561 | PL_curstackinfo = p; | |
e336de0d | 3562 | } |
3280af22 NIS |
3563 | Safefree(PL_tmps_stack); |
3564 | Safefree(PL_markstack); | |
3565 | Safefree(PL_scopestack); | |
3566 | Safefree(PL_savestack); | |
3567 | Safefree(PL_retstack); | |
378cc40b | 3568 | } |
33b78306 | 3569 | |
76e3520e | 3570 | STATIC void |
cea2e8a9 | 3571 | S_init_lexer(pTHX) |
8990e307 | 3572 | { |
06039172 | 3573 | PerlIO *tmpfp; |
3280af22 NIS |
3574 | tmpfp = PL_rsfp; |
3575 | PL_rsfp = Nullfp; | |
3576 | lex_start(PL_linestr); | |
3577 | PL_rsfp = tmpfp; | |
79cb57f6 | 3578 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3579 | } |
3580 | ||
76e3520e | 3581 | STATIC void |
cea2e8a9 | 3582 | S_init_predump_symbols(pTHX) |
45d8adaa | 3583 | { |
93a17b20 | 3584 | GV *tmpgv; |
af8c498a | 3585 | IO *io; |
79072805 | 3586 | |
864dbfa3 | 3587 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3588 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3589 | GvMULTI_on(PL_stdingv); | |
af8c498a | 3590 | io = GvIOp(PL_stdingv); |
a04651f4 | 3591 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3592 | IoIFP(io) = PerlIO_stdin(); |
adbc6bb1 | 3593 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3594 | GvMULTI_on(tmpgv); |
af8c498a | 3595 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3596 | |
85e6fe83 | 3597 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3598 | GvMULTI_on(tmpgv); |
af8c498a | 3599 | io = GvIOp(tmpgv); |
a04651f4 | 3600 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3601 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3602 | setdefout(tmpgv); |
adbc6bb1 | 3603 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3604 | GvMULTI_on(tmpgv); |
af8c498a | 3605 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3606 | |
bf49b057 GS |
3607 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3608 | GvMULTI_on(PL_stderrgv); | |
3609 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3610 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3611 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3612 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3613 | GvMULTI_on(tmpgv); |
af8c498a | 3614 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3615 | |
3280af22 | 3616 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3617 | |
bf4acbe4 GS |
3618 | if (PL_osname) |
3619 | Safefree(PL_osname); | |
3620 | PL_osname = savepv(OSNAME); | |
79072805 | 3621 | } |
33b78306 | 3622 | |
a11ec5a9 RGS |
3623 | void |
3624 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) | |
33b78306 | 3625 | { |
79072805 | 3626 | char *s; |
79072805 | 3627 | argc--,argv++; /* skip name of script */ |
3280af22 | 3628 | if (PL_doswitches) { |
79072805 LW |
3629 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3630 | if (!argv[0][1]) | |
3631 | break; | |
379d538a | 3632 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3633 | argc--,argv++; |
3634 | break; | |
3635 | } | |
155aba94 | 3636 | if ((s = strchr(argv[0], '='))) { |
79072805 | 3637 | *s++ = '\0'; |
85e6fe83 | 3638 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3639 | } |
3640 | else | |
85e6fe83 | 3641 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3642 | } |
79072805 | 3643 | } |
a11ec5a9 RGS |
3644 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
3645 | GvMULTI_on(PL_argvgv); | |
3646 | (void)gv_AVadd(PL_argvgv); | |
3647 | av_clear(GvAVn(PL_argvgv)); | |
3648 | for (; argc > 0; argc--,argv++) { | |
3649 | SV *sv = newSVpv(argv[0],0); | |
3650 | av_push(GvAVn(PL_argvgv),sv); | |
ce81ff12 JH |
3651 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
3652 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
3653 | SvUTF8_on(sv); | |
3654 | } | |
a05d7ebb JH |
3655 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
3656 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
3657 | } |
3658 | } | |
3659 | } | |
3660 | ||
04fee9b5 NIS |
3661 | #ifdef HAS_PROCSELFEXE |
3662 | /* This is a function so that we don't hold on to MAXPATHLEN | |
8338e367 | 3663 | bytes of stack longer than necessary |
04fee9b5 NIS |
3664 | */ |
3665 | STATIC void | |
3666 | S_procself_val(pTHX_ SV *sv, char *arg0) | |
3667 | { | |
3668 | char buf[MAXPATHLEN]; | |
d13a6521 | 3669 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); |
75745e22 TJ |
3670 | |
3671 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
3672 | includes a spurious NUL which will cause $^X to fail in system | |
3673 | or backticks (this will prevent extensions from being built and | |
3674 | many tests from working). readlink is not meant to add a NUL. | |
3675 | Normal readlink works fine. | |
3676 | */ | |
3677 | if (len > 0 && buf[len-1] == '\0') { | |
3678 | len--; | |
3679 | } | |
3680 | ||
d103ec31 JH |
3681 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes |
3682 | returning the text "unknown" from the readlink rather than the path | |
78cb7c00 | 3683 | to the executable (or returning an error from the readlink). Any valid |
d103ec31 JH |
3684 | path has a '/' in it somewhere, so use that to validate the result. |
3685 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
3686 | */ | |
78cb7c00 | 3687 | if (len > 0 && memchr(buf, '/', len)) { |
04fee9b5 NIS |
3688 | sv_setpvn(sv,buf,len); |
3689 | } | |
3690 | else { | |
3691 | sv_setpv(sv,arg0); | |
3692 | } | |
3693 | } | |
3694 | #endif /* HAS_PROCSELFEXE */ | |
3695 | ||
a11ec5a9 RGS |
3696 | STATIC void |
3697 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
3698 | { | |
3699 | char *s; | |
3700 | SV *sv; | |
3701 | GV* tmpgv; | |
a11ec5a9 | 3702 | |
3280af22 NIS |
3703 | PL_toptarget = NEWSV(0,0); |
3704 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3705 | sv_setpvn(PL_toptarget, "", 0); | |
3706 | PL_bodytarget = NEWSV(0,0); | |
3707 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3708 | sv_setpvn(PL_bodytarget, "", 0); | |
3709 | PL_formtarget = PL_bodytarget; | |
79072805 | 3710 | |
bbce6d69 | 3711 | TAINT; |
a11ec5a9 RGS |
3712 | |
3713 | init_argv_symbols(argc,argv); | |
3714 | ||
155aba94 | 3715 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) { |
bf4acbe4 GS |
3716 | #ifdef MACOS_TRADITIONAL |
3717 | /* $0 is not majick on a Mac */ | |
3718 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
3719 | #else | |
3280af22 | 3720 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 3721 | magicname("0", "0", 1); |
bf4acbe4 | 3722 | #endif |
79072805 | 3723 | } |
04fee9b5 NIS |
3724 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) {/* $^X */ |
3725 | #ifdef HAS_PROCSELFEXE | |
3726 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
3727 | #else | |
8338e367 | 3728 | #ifdef OS2 |
23da6c43 | 3729 | sv_setpv(GvSV(tmpgv), os2_execname(aTHX)); |
8338e367 JH |
3730 | #else |
3731 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); | |
3732 | #endif | |
04fee9b5 NIS |
3733 | #endif |
3734 | } | |
155aba94 | 3735 | if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) { |
79072805 | 3736 | HV *hv; |
3280af22 NIS |
3737 | GvMULTI_on(PL_envgv); |
3738 | hv = GvHVn(PL_envgv); | |
14befaf4 | 3739 | hv_magic(hv, Nullgv, PERL_MAGIC_env); |
2f42fcb0 | 3740 | #ifndef PERL_MICRO |
fa6a1c44 | 3741 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
3742 | /* Note that if the supplied env parameter is actually a copy |
3743 | of the global environ then it may now point to free'd memory | |
3744 | if the environment has been modified since. To avoid this | |
3745 | problem we treat env==NULL as meaning 'use the default' | |
3746 | */ | |
3747 | if (!env) | |
3748 | env = environ; | |
4efc5df6 GS |
3749 | if (env != environ |
3750 | # ifdef USE_ITHREADS | |
3751 | && PL_curinterp == aTHX | |
3752 | # endif | |
3753 | ) | |
3754 | { | |
79072805 | 3755 | environ[0] = Nullch; |
4efc5df6 | 3756 | } |
764df951 IZ |
3757 | if (env) |
3758 | for (; *env; env++) { | |
93a17b20 | 3759 | if (!(s = strchr(*env,'='))) |
79072805 | 3760 | continue; |
7da0e383 | 3761 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 3762 | *s = '\0'; |
137443ea | 3763 | (void)strupr(*env); |
61968511 | 3764 | *s = '='; |
137443ea | 3765 | #endif |
61968511 | 3766 | sv = newSVpv(s+1, 0); |
79072805 | 3767 | (void)hv_store(hv, *env, s - *env, sv, 0); |
61968511 GA |
3768 | if (env != environ) |
3769 | mg_set(sv); | |
764df951 | 3770 | } |
103a7189 | 3771 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 3772 | #endif /* !PERL_MICRO */ |
79072805 | 3773 | } |
bbce6d69 | 3774 | TAINT_NOT; |
306196c3 MS |
3775 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) { |
3776 | SvREADONLY_off(GvSV(tmpgv)); | |
7766f137 | 3777 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3778 | SvREADONLY_on(GvSV(tmpgv)); |
3779 | } | |
4d76a344 RGS |
3780 | #ifdef THREADS_HAVE_PIDS |
3781 | PL_ppid = (IV)getppid(); | |
3782 | #endif | |
2710853f MJD |
3783 | |
3784 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
3785 | if (PL_minus_a) { | |
3786 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
3787 | } | |
3788 | /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */ | |
3789 | (void) get_av("main::-", TRUE | GV_ADDMULTI); | |
3790 | (void) get_av("main::+", TRUE | GV_ADDMULTI); | |
33b78306 | 3791 | } |
34de22dd | 3792 | |
76e3520e | 3793 | STATIC void |
cea2e8a9 | 3794 | S_init_perllib(pTHX) |
34de22dd | 3795 | { |
85e6fe83 | 3796 | char *s; |
3280af22 | 3797 | if (!PL_tainting) { |
552a7a9b | 3798 | #ifndef VMS |
76e3520e | 3799 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 3800 | if (s) |
574c798a | 3801 | incpush(s, TRUE, TRUE, TRUE); |
85e6fe83 | 3802 | else |
574c798a | 3803 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE); |
552a7a9b | 3804 | #else /* VMS */ |
3805 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
3806 | * "natural" VMS idiom for a Unix path string. We allow each | |
3807 | * element to be a set of |-separated directories for compatibility. | |
3808 | */ | |
3809 | char buf[256]; | |
3810 | int idx = 0; | |
3811 | if (my_trnlnm("PERL5LIB",buf,0)) | |
574c798a | 3812 | do { incpush(buf,TRUE,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 3813 | else |
574c798a | 3814 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE); |
552a7a9b | 3815 | #endif /* VMS */ |
85e6fe83 | 3816 | } |
34de22dd | 3817 | |
c90c0ff4 | 3818 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 3819 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 3820 | */ |
4633a7c4 | 3821 | #ifdef APPLLIB_EXP |
574c798a | 3822 | incpush(APPLLIB_EXP, TRUE, TRUE, TRUE); |
16d20bd9 | 3823 | #endif |
4633a7c4 | 3824 | |
fed7345c | 3825 | #ifdef ARCHLIB_EXP |
574c798a | 3826 | incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE); |
a0d0e21e | 3827 | #endif |
bf4acbe4 GS |
3828 | #ifdef MACOS_TRADITIONAL |
3829 | { | |
c623ac67 | 3830 | Stat_t tmpstatbuf; |
bf4acbe4 GS |
3831 | SV * privdir = NEWSV(55, 0); |
3832 | char * macperl = PerlEnv_getenv("MACPERL"); | |
3833 | ||
3834 | if (!macperl) | |
3835 | macperl = ""; | |
3836 | ||
3837 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
3838 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
574c798a | 3839 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE); |
bf4acbe4 GS |
3840 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); |
3841 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
574c798a | 3842 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE); |
ac27b0f5 | 3843 | |
bf4acbe4 GS |
3844 | SvREFCNT_dec(privdir); |
3845 | } | |
3846 | if (!PL_tainting) | |
574c798a | 3847 | incpush(":", FALSE, FALSE, TRUE); |
bf4acbe4 | 3848 | #else |
fed7345c | 3849 | #ifndef PRIVLIB_EXP |
65f19062 | 3850 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 3851 | #endif |
ac27b0f5 | 3852 | #if defined(WIN32) |
574c798a | 3853 | incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE); |
00dc2f4f | 3854 | #else |
574c798a | 3855 | incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE); |
00dc2f4f | 3856 | #endif |
4633a7c4 | 3857 | |
65f19062 | 3858 | #ifdef SITEARCH_EXP |
3b290362 GS |
3859 | /* sitearch is always relative to sitelib on Windows for |
3860 | * DLL-based path intuition to work correctly */ | |
3861 | # if !defined(WIN32) | |
574c798a | 3862 | incpush(SITEARCH_EXP, FALSE, FALSE, TRUE); |
65f19062 GS |
3863 | # endif |
3864 | #endif | |
3865 | ||
4633a7c4 | 3866 | #ifdef SITELIB_EXP |
65f19062 | 3867 | # if defined(WIN32) |
574c798a SR |
3868 | /* this picks up sitearch as well */ |
3869 | incpush(SITELIB_EXP, TRUE, FALSE, TRUE); | |
65f19062 | 3870 | # else |
574c798a | 3871 | incpush(SITELIB_EXP, FALSE, FALSE, TRUE); |
65f19062 GS |
3872 | # endif |
3873 | #endif | |
189d1e8d | 3874 | |
65f19062 | 3875 | #ifdef SITELIB_STEM /* Search for version-specific dirs below here */ |
574c798a | 3876 | incpush(SITELIB_STEM, FALSE, TRUE, TRUE); |
81c6dfba | 3877 | #endif |
65f19062 GS |
3878 | |
3879 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 3880 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
3881 | * DLL-based path intuition to work correctly */ |
3882 | # if !defined(WIN32) | |
574c798a | 3883 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE); |
65f19062 | 3884 | # endif |
4b03c463 | 3885 | #endif |
65f19062 GS |
3886 | |
3887 | #ifdef PERL_VENDORLIB_EXP | |
3888 | # if defined(WIN32) | |
574c798a | 3889 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE); /* this picks up vendorarch as well */ |
65f19062 | 3890 | # else |
574c798a | 3891 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE); |
65f19062 | 3892 | # endif |
a3635516 | 3893 | #endif |
65f19062 GS |
3894 | |
3895 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
574c798a | 3896 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE); |
00dc2f4f | 3897 | #endif |
65f19062 | 3898 | |
3b777bb4 | 3899 | #ifdef PERL_OTHERLIBDIRS |
574c798a | 3900 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE); |
3b777bb4 GS |
3901 | #endif |
3902 | ||
3280af22 | 3903 | if (!PL_tainting) |
574c798a | 3904 | incpush(".", FALSE, FALSE, TRUE); |
bf4acbe4 | 3905 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 3906 | } |
3907 | ||
ed79a026 | 3908 | #if defined(DOSISH) || defined(EPOC) |
774d564b | 3909 | # define PERLLIB_SEP ';' |
3910 | #else | |
3911 | # if defined(VMS) | |
3912 | # define PERLLIB_SEP '|' | |
3913 | # else | |
bf4acbe4 GS |
3914 | # if defined(MACOS_TRADITIONAL) |
3915 | # define PERLLIB_SEP ',' | |
3916 | # else | |
3917 | # define PERLLIB_SEP ':' | |
3918 | # endif | |
774d564b | 3919 | # endif |
3920 | #endif | |
3921 | #ifndef PERLLIB_MANGLE | |
3922 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 3923 | #endif |
774d564b | 3924 | |
76e3520e | 3925 | STATIC void |
574c798a | 3926 | S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers, int usesep) |
774d564b | 3927 | { |
3928 | SV *subdir = Nullsv; | |
774d564b | 3929 | |
3b290362 | 3930 | if (!p || !*p) |
774d564b | 3931 | return; |
3932 | ||
9c8a64f0 | 3933 | if (addsubdirs || addoldvers) { |
00db4c45 | 3934 | subdir = sv_newmortal(); |
774d564b | 3935 | } |
3936 | ||
3937 | /* Break at all separators */ | |
3938 | while (p && *p) { | |
8c52afec | 3939 | SV *libdir = NEWSV(55,0); |
774d564b | 3940 | char *s; |
3941 | ||
3942 | /* skip any consecutive separators */ | |
574c798a SR |
3943 | if (usesep) { |
3944 | while ( *p == PERLLIB_SEP ) { | |
3945 | /* Uncomment the next line for PATH semantics */ | |
3946 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ | |
3947 | p++; | |
3948 | } | |
774d564b | 3949 | } |
3950 | ||
574c798a | 3951 | if ( usesep && (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
774d564b | 3952 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
3953 | (STRLEN)(s - p)); | |
3954 | p = s + 1; | |
3955 | } | |
3956 | else { | |
3957 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
3958 | p = Nullch; /* break out */ | |
3959 | } | |
bf4acbe4 | 3960 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
3961 | if (!strchr(SvPVX(libdir), ':')) { |
3962 | char buf[256]; | |
3963 | ||
3964 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
3965 | } | |
bf4acbe4 GS |
3966 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
3967 | sv_catpv(libdir, ":"); | |
3968 | #endif | |
774d564b | 3969 | |
3970 | /* | |
3971 | * BEFORE pushing libdir onto @INC we may first push version- and | |
3972 | * archname-specific sub-directories. | |
3973 | */ | |
9c8a64f0 | 3974 | if (addsubdirs || addoldvers) { |
29d82f8d | 3975 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
3976 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
3977 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
3978 | const char **incver; |
3979 | #endif | |
c623ac67 | 3980 | Stat_t tmpstatbuf; |
aa689395 | 3981 | #ifdef VMS |
3982 | char *unix; | |
3983 | STRLEN len; | |
774d564b | 3984 | |
2d8e6c8d | 3985 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 3986 | len = strlen(unix); |
3987 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
3988 | sv_usepvn(libdir,unix,len); | |
3989 | } | |
3990 | else | |
bf49b057 | 3991 | PerlIO_printf(Perl_error_log, |
aa689395 | 3992 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 3993 | SvPV(libdir,len)); |
aa689395 | 3994 | #endif |
9c8a64f0 | 3995 | if (addsubdirs) { |
bf4acbe4 GS |
3996 | #ifdef MACOS_TRADITIONAL |
3997 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
3998 | #define PERL_ARCH_FMT "%s:" |
3999 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
4000 | #else |
4001 | #define PERL_AV_SUFFIX_FMT "/" | |
4002 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 4003 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 4004 | #endif |
9c8a64f0 | 4005 | /* .../version/archname if -d .../version/archname */ |
084592ab | 4006 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
9c8a64f0 GS |
4007 | libdir, |
4008 | (int)PERL_REVISION, (int)PERL_VERSION, | |
4009 | (int)PERL_SUBVERSION, ARCHNAME); | |
4010 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
4011 | S_ISDIR(tmpstatbuf.st_mode)) | |
4012 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4b03c463 | 4013 | |
9c8a64f0 | 4014 | /* .../version if -d .../version */ |
084592ab | 4015 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, libdir, |
9c8a64f0 GS |
4016 | (int)PERL_REVISION, (int)PERL_VERSION, |
4017 | (int)PERL_SUBVERSION); | |
4018 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
4019 | S_ISDIR(tmpstatbuf.st_mode)) | |
4020 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4021 | ||
4022 | /* .../archname if -d .../archname */ | |
bf4acbe4 | 4023 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, ARCHNAME); |
29d82f8d GS |
4024 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
4025 | S_ISDIR(tmpstatbuf.st_mode)) | |
4026 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
29d82f8d | 4027 | } |
9c8a64f0 | 4028 | |
9c8a64f0 | 4029 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4030 | if (addoldvers) { |
9c8a64f0 GS |
4031 | for (incver = incverlist; *incver; incver++) { |
4032 | /* .../xxx if -d .../xxx */ | |
bf4acbe4 | 4033 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, *incver); |
9c8a64f0 GS |
4034 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
4035 | S_ISDIR(tmpstatbuf.st_mode)) | |
4036 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4037 | } | |
4038 | } | |
29d82f8d | 4039 | #endif |
774d564b | 4040 | } |
4041 | ||
4042 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 4043 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 4044 | } |
34de22dd | 4045 | } |
93a17b20 | 4046 | |
4d1ff10f | 4047 | #ifdef USE_5005THREADS |
76e3520e | 4048 | STATIC struct perl_thread * |
cea2e8a9 | 4049 | S_init_main_thread(pTHX) |
199100c8 | 4050 | { |
c5be433b | 4051 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 4052 | struct perl_thread *thr; |
cea2e8a9 | 4053 | #endif |
199100c8 MB |
4054 | XPV *xpv; |
4055 | ||
52e1cb5e | 4056 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 4057 | PL_curcop = &PL_compiling; |
c5be433b | 4058 | thr->interp = PERL_GET_INTERP; |
199100c8 | 4059 | thr->cvcache = newHV(); |
54b9620d | 4060 | thr->threadsv = newAV(); |
940cb80d | 4061 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
4062 | thr->specific = newAV(); |
4063 | thr->flags = THRf_R_JOINABLE; | |
4064 | MUTEX_INIT(&thr->mutex); | |
4065 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 4066 | New(53, PL_thrsv, 1, SV); |
199100c8 | 4067 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
4068 | SvFLAGS(PL_thrsv) = SVt_PV; |
4069 | SvANY(PL_thrsv) = (void*)xpv; | |
4070 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
4071 | SvPVX(PL_thrsv) = (char*)thr; | |
4072 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
4073 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
4074 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
4075 | thr->oursv = PL_thrsv; | |
4076 | PL_chopset = " \n-"; | |
3967c732 | 4077 | PL_dumpindent = 4; |
533c011a NIS |
4078 | |
4079 | MUTEX_LOCK(&PL_threads_mutex); | |
4080 | PL_nthreads++; | |
199100c8 MB |
4081 | thr->tid = 0; |
4082 | thr->next = thr; | |
4083 | thr->prev = thr; | |
8dcd6f7b | 4084 | thr->thr_done = 0; |
533c011a | 4085 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 4086 | |
4b026b9e | 4087 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 4088 | Perl_init_thread_intern(thr); |
235db74f GS |
4089 | #endif |
4090 | ||
4091 | #ifdef SET_THREAD_SELF | |
4092 | SET_THREAD_SELF(thr); | |
199100c8 MB |
4093 | #else |
4094 | thr->self = pthread_self(); | |
235db74f | 4095 | #endif /* SET_THREAD_SELF */ |
06d86050 | 4096 | PERL_SET_THX(thr); |
199100c8 MB |
4097 | |
4098 | /* | |
411caa50 JH |
4099 | * These must come after the thread self setting |
4100 | * because sv_setpvn does SvTAINT and the taint | |
4101 | * fields thread selfness being set. | |
199100c8 | 4102 | */ |
533c011a NIS |
4103 | PL_toptarget = NEWSV(0,0); |
4104 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
4105 | sv_setpvn(PL_toptarget, "", 0); | |
4106 | PL_bodytarget = NEWSV(0,0); | |
4107 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
4108 | sv_setpvn(PL_bodytarget, "", 0); | |
4109 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 4110 | thr->errsv = newSVpvn("", 0); |
78857c3c | 4111 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 4112 | |
533c011a | 4113 | PL_maxscream = -1; |
a2efc822 | 4114 | PL_peepp = MEMBER_TO_FPTR(Perl_peep); |
0b94c7bb GS |
4115 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
4116 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
4117 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
4118 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
4119 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
4120 | PL_regindent = 0; |
4121 | PL_reginterp_cnt = 0; | |
5c0ca799 | 4122 | |
199100c8 MB |
4123 | return thr; |
4124 | } | |
4d1ff10f | 4125 | #endif /* USE_5005THREADS */ |
199100c8 | 4126 | |
93a17b20 | 4127 | void |
864dbfa3 | 4128 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4129 | { |
971a9dd3 | 4130 | SV *atsv; |
57843af0 | 4131 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 4132 | CV *cv; |
22921e25 | 4133 | STRLEN len; |
6224f72b | 4134 | int ret; |
db36c5a1 | 4135 | dJMPENV; |
93a17b20 | 4136 | |
76e3520e | 4137 | while (AvFILL(paramList) >= 0) { |
312caa8e | 4138 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
4139 | if (PL_savebegin) { |
4140 | if (paramList == PL_beginav) { | |
059a8bb7 | 4141 | /* save PL_beginav for compiler */ |
ece599bd RGS |
4142 | if (! PL_beginav_save) |
4143 | PL_beginav_save = newAV(); | |
4144 | av_push(PL_beginav_save, (SV*)cv); | |
4145 | } | |
4146 | else if (paramList == PL_checkav) { | |
4147 | /* save PL_checkav for compiler */ | |
4148 | if (! PL_checkav_save) | |
4149 | PL_checkav_save = newAV(); | |
4150 | av_push(PL_checkav_save, (SV*)cv); | |
4151 | } | |
059a8bb7 JH |
4152 | } else { |
4153 | SAVEFREESV(cv); | |
4154 | } | |
14dd3ad8 GS |
4155 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
4156 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv); | |
4157 | #else | |
4158 | JMPENV_PUSH(ret); | |
4159 | #endif | |
6224f72b | 4160 | switch (ret) { |
312caa8e | 4161 | case 0: |
14dd3ad8 GS |
4162 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
4163 | call_list_body(cv); | |
4164 | #endif | |
971a9dd3 | 4165 | atsv = ERRSV; |
312caa8e CS |
4166 | (void)SvPV(atsv, len); |
4167 | if (len) { | |
4168 | PL_curcop = &PL_compiling; | |
57843af0 | 4169 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
4170 | if (paramList == PL_beginav) |
4171 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
4172 | else | |
4f25aa18 GS |
4173 | Perl_sv_catpvf(aTHX_ atsv, |
4174 | "%s failed--call queue aborted", | |
7d30b5c4 | 4175 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4176 | : paramList == PL_initav ? "INIT" |
4177 | : "END"); | |
312caa8e CS |
4178 | while (PL_scopestack_ix > oldscope) |
4179 | LEAVE; | |
14dd3ad8 | 4180 | JMPENV_POP; |
35c1215d | 4181 | Perl_croak(aTHX_ "%"SVf"", atsv); |
a0d0e21e | 4182 | } |
85e6fe83 | 4183 | break; |
6224f72b | 4184 | case 1: |
f86702cc | 4185 | STATUS_ALL_FAILURE; |
85e6fe83 | 4186 | /* FALL THROUGH */ |
6224f72b | 4187 | case 2: |
85e6fe83 | 4188 | /* my_exit() was called */ |
3280af22 | 4189 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4190 | LEAVE; |
84902520 | 4191 | FREETMPS; |
3280af22 | 4192 | PL_curstash = PL_defstash; |
3280af22 | 4193 | PL_curcop = &PL_compiling; |
57843af0 | 4194 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4195 | JMPENV_POP; |
cc3604b1 | 4196 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 4197 | if (paramList == PL_beginav) |
cea2e8a9 | 4198 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 4199 | else |
4f25aa18 | 4200 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 4201 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4202 | : paramList == PL_initav ? "INIT" |
4203 | : "END"); | |
85e6fe83 | 4204 | } |
f86702cc | 4205 | my_exit_jump(); |
85e6fe83 | 4206 | /* NOTREACHED */ |
6224f72b | 4207 | case 3: |
312caa8e CS |
4208 | if (PL_restartop) { |
4209 | PL_curcop = &PL_compiling; | |
57843af0 | 4210 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4211 | JMPENV_JUMP(3); |
85e6fe83 | 4212 | } |
bf49b057 | 4213 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4214 | FREETMPS; |
4215 | break; | |
8990e307 | 4216 | } |
14dd3ad8 | 4217 | JMPENV_POP; |
93a17b20 | 4218 | } |
93a17b20 | 4219 | } |
93a17b20 | 4220 | |
14dd3ad8 | 4221 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 4222 | STATIC void * |
14dd3ad8 | 4223 | S_vcall_list_body(pTHX_ va_list args) |
312caa8e | 4224 | { |
312caa8e | 4225 | CV *cv = va_arg(args, CV*); |
14dd3ad8 GS |
4226 | return call_list_body(cv); |
4227 | } | |
4228 | #endif | |
312caa8e | 4229 | |
14dd3ad8 GS |
4230 | STATIC void * |
4231 | S_call_list_body(pTHX_ CV *cv) | |
4232 | { | |
312caa8e | 4233 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 4234 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
4235 | return NULL; |
4236 | } | |
4237 | ||
f86702cc | 4238 | void |
864dbfa3 | 4239 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4240 | { |
8b73bbec | 4241 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 4242 | thr, (unsigned long) status)); |
f86702cc | 4243 | switch (status) { |
4244 | case 0: | |
4245 | STATUS_ALL_SUCCESS; | |
4246 | break; | |
4247 | case 1: | |
4248 | STATUS_ALL_FAILURE; | |
4249 | break; | |
4250 | default: | |
4251 | STATUS_NATIVE_SET(status); | |
4252 | break; | |
4253 | } | |
4254 | my_exit_jump(); | |
4255 | } | |
4256 | ||
4257 | void | |
864dbfa3 | 4258 | Perl_my_failure_exit(pTHX) |
f86702cc | 4259 | { |
4260 | #ifdef VMS | |
4261 | if (vaxc$errno & 1) { | |
4fdae800 | 4262 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
4263 | STATUS_NATIVE_SET(44); | |
f86702cc | 4264 | } |
4265 | else { | |
ff0cee69 | 4266 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 4267 | STATUS_NATIVE_SET(44); |
f86702cc | 4268 | else |
4fdae800 | 4269 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 4270 | } |
4271 | #else | |
9b599b2a | 4272 | int exitstatus; |
f86702cc | 4273 | if (errno & 255) |
4274 | STATUS_POSIX_SET(errno); | |
9b599b2a | 4275 | else { |
ac27b0f5 | 4276 | exitstatus = STATUS_POSIX >> 8; |
9b599b2a GS |
4277 | if (exitstatus & 255) |
4278 | STATUS_POSIX_SET(exitstatus); | |
4279 | else | |
4280 | STATUS_POSIX_SET(255); | |
4281 | } | |
f86702cc | 4282 | #endif |
4283 | my_exit_jump(); | |
93a17b20 LW |
4284 | } |
4285 | ||
76e3520e | 4286 | STATIC void |
cea2e8a9 | 4287 | S_my_exit_jump(pTHX) |
f86702cc | 4288 | { |
c09156bb | 4289 | register PERL_CONTEXT *cx; |
f86702cc | 4290 | I32 gimme; |
4291 | SV **newsp; | |
4292 | ||
3280af22 NIS |
4293 | if (PL_e_script) { |
4294 | SvREFCNT_dec(PL_e_script); | |
4295 | PL_e_script = Nullsv; | |
f86702cc | 4296 | } |
4297 | ||
3280af22 | 4298 | POPSTACK_TO(PL_mainstack); |
f86702cc | 4299 | if (cxstack_ix >= 0) { |
4300 | if (cxstack_ix > 0) | |
4301 | dounwind(0); | |
3280af22 | 4302 | POPBLOCK(cx,PL_curpm); |
f86702cc | 4303 | LEAVE; |
4304 | } | |
ff0cee69 | 4305 | |
6224f72b | 4306 | JMPENV_JUMP(2); |
f86702cc | 4307 | } |
873ef191 | 4308 | |
0cb96387 | 4309 | static I32 |
acfe0abc | 4310 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 GS |
4311 | { |
4312 | char *p, *nl; | |
3280af22 | 4313 | p = SvPVX(PL_e_script); |
873ef191 | 4314 | nl = strchr(p, '\n'); |
3280af22 | 4315 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4316 | if (nl-p == 0) { |
0cb96387 | 4317 | filter_del(read_e_script); |
873ef191 | 4318 | return 0; |
7dfe3f66 | 4319 | } |
873ef191 | 4320 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4321 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4322 | return 1; |
4323 | } |