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) { |
4e380990 DM |
357 | /* ensure comppad/curpad to refer to main's pad */ |
358 | if (CvPADLIST(PL_main_cv)) { | |
359 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
360 | } | |
3280af22 NIS |
361 | op_free(PL_main_root); |
362 | PL_main_root = Nullop; | |
a0d0e21e | 363 | } |
3280af22 NIS |
364 | PL_curcop = &PL_compiling; |
365 | PL_main_start = Nullop; | |
366 | SvREFCNT_dec(PL_main_cv); | |
367 | PL_main_cv = Nullcv; | |
24d3c518 | 368 | PL_dirty = TRUE; |
ff0cee69 | 369 | |
13621cfb NIS |
370 | /* Tell PerlIO we are about to tear things apart in case |
371 | we have layers which are using resources that should | |
372 | be cleaned up now. | |
373 | */ | |
374 | ||
375 | PerlIO_destruct(aTHX); | |
376 | ||
3280af22 | 377 | if (PL_sv_objcount) { |
a0d0e21e LW |
378 | /* |
379 | * Try to destruct global references. We do this first so that the | |
380 | * destructors and destructees still exist. Some sv's might remain. | |
381 | * Non-referenced objects are on their own. | |
382 | */ | |
a0d0e21e | 383 | sv_clean_objs(); |
bf9cdc68 | 384 | PL_sv_objcount = 0; |
8990e307 LW |
385 | } |
386 | ||
5cd24f17 | 387 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
388 | SvREFCNT_dec(PL_warnhook); |
389 | PL_warnhook = Nullsv; | |
390 | SvREFCNT_dec(PL_diehook); | |
391 | PL_diehook = Nullsv; | |
5cd24f17 | 392 | |
4b556e6c | 393 | /* call exit list functions */ |
3280af22 | 394 | while (PL_exitlistlen-- > 0) |
acfe0abc | 395 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 396 | |
3280af22 | 397 | Safefree(PL_exitlist); |
4b556e6c | 398 | |
1c4916e5 CB |
399 | PL_exitlist = NULL; |
400 | PL_exitlistlen = 0; | |
401 | ||
a0d0e21e | 402 | if (destruct_level == 0){ |
8990e307 | 403 | |
a0d0e21e | 404 | DEBUG_P(debprofdump()); |
ac27b0f5 | 405 | |
56a2bab7 NIS |
406 | #if defined(PERLIO_LAYERS) |
407 | /* No more IO - including error messages ! */ | |
408 | PerlIO_cleanup(aTHX); | |
409 | #endif | |
410 | ||
a0d0e21e | 411 | /* The exit() function will do everything that needs doing. */ |
b47cad08 | 412 | return STATUS_NATIVE_EXPORT; |
a0d0e21e | 413 | } |
5dd60ef7 | 414 | |
551a8b83 | 415 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
416 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
417 | * so we certainly shouldn't free it here | |
418 | */ | |
2f42fcb0 | 419 | #ifndef PERL_MICRO |
4b647fb0 | 420 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
4efc5df6 GS |
421 | if (environ != PL_origenviron |
422 | #ifdef USE_ITHREADS | |
423 | /* only main thread can free environ[0] contents */ | |
424 | && PL_curinterp == aTHX | |
425 | #endif | |
426 | ) | |
427 | { | |
551a8b83 JH |
428 | I32 i; |
429 | ||
430 | for (i = 0; environ[i]; i++) | |
4b420006 | 431 | safesysfree(environ[i]); |
0631ea03 | 432 | |
4b420006 JH |
433 | /* Must use safesysfree() when working with environ. */ |
434 | safesysfree(environ); | |
551a8b83 JH |
435 | |
436 | environ = PL_origenviron; | |
437 | } | |
438 | #endif | |
2f42fcb0 | 439 | #endif /* !PERL_MICRO */ |
551a8b83 | 440 | |
5f8cb046 DM |
441 | #ifdef USE_ITHREADS |
442 | /* the syntax tree is shared between clones | |
443 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
444 | * REGEXPs in the parent interpreter | |
445 | * we need to manually ReREFCNT_dec for the clones | |
446 | */ | |
447 | { | |
448 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
449 | SV **ary = AvARRAY(PL_regex_padav); | |
450 | ||
451 | while (i) { | |
35061a7e | 452 | SV *resv = ary[--i]; |
ba89bb6e | 453 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); |
35061a7e DM |
454 | |
455 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 456 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
457 | * flag is set in regexec.c:S_regtry |
458 | */ | |
459 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 460 | } |
1cc8b4c5 AB |
461 | else if(SvREPADTMP(resv)) { |
462 | SvREPADTMP_off(resv); | |
463 | } | |
35061a7e | 464 | else { |
5f8cb046 DM |
465 | ReREFCNT_dec(re); |
466 | } | |
467 | } | |
468 | } | |
469 | SvREFCNT_dec(PL_regex_padav); | |
470 | PL_regex_padav = Nullav; | |
471 | PL_regex_pad = NULL; | |
472 | #endif | |
473 | ||
081fc587 AB |
474 | SvREFCNT_dec((SV*) PL_stashcache); |
475 | PL_stashcache = NULL; | |
476 | ||
5f05dabc | 477 | /* loosen bonds of global variables */ |
478 | ||
3280af22 NIS |
479 | if(PL_rsfp) { |
480 | (void)PerlIO_close(PL_rsfp); | |
481 | PL_rsfp = Nullfp; | |
8ebc5c01 | 482 | } |
483 | ||
484 | /* Filters for program text */ | |
3280af22 NIS |
485 | SvREFCNT_dec(PL_rsfp_filters); |
486 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 487 | |
488 | /* switches */ | |
3280af22 NIS |
489 | PL_preprocess = FALSE; |
490 | PL_minus_n = FALSE; | |
491 | PL_minus_p = FALSE; | |
492 | PL_minus_l = FALSE; | |
493 | PL_minus_a = FALSE; | |
494 | PL_minus_F = FALSE; | |
495 | PL_doswitches = FALSE; | |
599cee73 | 496 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
497 | PL_doextract = FALSE; |
498 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
499 | PL_unsafe = FALSE; |
500 | ||
501 | Safefree(PL_inplace); | |
502 | PL_inplace = Nullch; | |
a7cb1f99 | 503 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
504 | |
505 | if (PL_e_script) { | |
506 | SvREFCNT_dec(PL_e_script); | |
507 | PL_e_script = Nullsv; | |
8ebc5c01 | 508 | } |
509 | ||
bf9cdc68 RG |
510 | PL_perldb = 0; |
511 | ||
8ebc5c01 | 512 | /* magical thingies */ |
513 | ||
7889fe52 NIS |
514 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
515 | PL_ofs_sv = Nullsv; | |
5f05dabc | 516 | |
7889fe52 NIS |
517 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
518 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 519 | |
3280af22 NIS |
520 | SvREFCNT_dec(PL_rs); /* $/ */ |
521 | PL_rs = Nullsv; | |
dc92893f | 522 | |
d33b2eba GS |
523 | PL_multiline = 0; /* $* */ |
524 | Safefree(PL_osname); /* $^O */ | |
525 | PL_osname = Nullch; | |
5f05dabc | 526 | |
3280af22 NIS |
527 | SvREFCNT_dec(PL_statname); |
528 | PL_statname = Nullsv; | |
529 | PL_statgv = Nullgv; | |
5f05dabc | 530 | |
8ebc5c01 | 531 | /* defgv, aka *_ should be taken care of elsewhere */ |
532 | ||
8ebc5c01 | 533 | /* clean up after study() */ |
3280af22 NIS |
534 | SvREFCNT_dec(PL_lastscream); |
535 | PL_lastscream = Nullsv; | |
536 | Safefree(PL_screamfirst); | |
537 | PL_screamfirst = 0; | |
538 | Safefree(PL_screamnext); | |
539 | PL_screamnext = 0; | |
8ebc5c01 | 540 | |
7d5ea4e7 GS |
541 | /* float buffer */ |
542 | Safefree(PL_efloatbuf); | |
543 | PL_efloatbuf = Nullch; | |
544 | PL_efloatsize = 0; | |
545 | ||
8ebc5c01 | 546 | /* startup and shutdown function lists */ |
3280af22 | 547 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 548 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 549 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 550 | SvREFCNT_dec(PL_checkav); |
ece599bd | 551 | SvREFCNT_dec(PL_checkav_save); |
3280af22 NIS |
552 | SvREFCNT_dec(PL_initav); |
553 | PL_beginav = Nullav; | |
5a837c8f | 554 | PL_beginav_save = Nullav; |
3280af22 | 555 | PL_endav = Nullav; |
7d30b5c4 | 556 | PL_checkav = Nullav; |
ece599bd | 557 | PL_checkav_save = Nullav; |
3280af22 | 558 | PL_initav = Nullav; |
5618dfe8 | 559 | |
8ebc5c01 | 560 | /* shortcuts just get cleared */ |
3280af22 | 561 | PL_envgv = Nullgv; |
3280af22 NIS |
562 | PL_incgv = Nullgv; |
563 | PL_hintgv = Nullgv; | |
564 | PL_errgv = Nullgv; | |
565 | PL_argvgv = Nullgv; | |
566 | PL_argvoutgv = Nullgv; | |
567 | PL_stdingv = Nullgv; | |
bf49b057 | 568 | PL_stderrgv = Nullgv; |
3280af22 NIS |
569 | PL_last_in_gv = Nullgv; |
570 | PL_replgv = Nullgv; | |
bf9cdc68 RG |
571 | PL_DBgv = Nullgv; |
572 | PL_DBline = Nullgv; | |
573 | PL_DBsub = Nullgv; | |
574 | PL_DBsingle = Nullsv; | |
575 | PL_DBtrace = Nullsv; | |
576 | PL_DBsignal = Nullsv; | |
577 | PL_DBassertion = Nullsv; | |
578 | PL_DBcv = Nullcv; | |
579 | PL_dbargs = Nullav; | |
5c831c24 | 580 | PL_debstash = Nullhv; |
8ebc5c01 | 581 | |
582 | /* reset so print() ends up where we expect */ | |
583 | setdefout(Nullgv); | |
5c831c24 | 584 | |
7a1c5554 GS |
585 | SvREFCNT_dec(PL_argvout_stack); |
586 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 587 | |
5c831c24 GS |
588 | SvREFCNT_dec(PL_modglobal); |
589 | PL_modglobal = Nullhv; | |
590 | SvREFCNT_dec(PL_preambleav); | |
591 | PL_preambleav = Nullav; | |
592 | SvREFCNT_dec(PL_subname); | |
593 | PL_subname = Nullsv; | |
594 | SvREFCNT_dec(PL_linestr); | |
595 | PL_linestr = Nullsv; | |
596 | SvREFCNT_dec(PL_pidstatus); | |
597 | PL_pidstatus = Nullhv; | |
598 | SvREFCNT_dec(PL_toptarget); | |
599 | PL_toptarget = Nullsv; | |
600 | SvREFCNT_dec(PL_bodytarget); | |
601 | PL_bodytarget = Nullsv; | |
602 | PL_formtarget = Nullsv; | |
603 | ||
d33b2eba | 604 | /* free locale stuff */ |
b9582b6a | 605 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
606 | Safefree(PL_collation_name); |
607 | PL_collation_name = Nullch; | |
b9582b6a | 608 | #endif |
d33b2eba | 609 | |
b9582b6a | 610 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
611 | Safefree(PL_numeric_name); |
612 | PL_numeric_name = Nullch; | |
a453c169 | 613 | SvREFCNT_dec(PL_numeric_radix_sv); |
bf9cdc68 | 614 | PL_numeric_radix_sv = Nullsv; |
b9582b6a | 615 | #endif |
d33b2eba | 616 | |
5c831c24 GS |
617 | /* clear utf8 character classes */ |
618 | SvREFCNT_dec(PL_utf8_alnum); | |
619 | SvREFCNT_dec(PL_utf8_alnumc); | |
620 | SvREFCNT_dec(PL_utf8_ascii); | |
621 | SvREFCNT_dec(PL_utf8_alpha); | |
622 | SvREFCNT_dec(PL_utf8_space); | |
623 | SvREFCNT_dec(PL_utf8_cntrl); | |
624 | SvREFCNT_dec(PL_utf8_graph); | |
625 | SvREFCNT_dec(PL_utf8_digit); | |
626 | SvREFCNT_dec(PL_utf8_upper); | |
627 | SvREFCNT_dec(PL_utf8_lower); | |
628 | SvREFCNT_dec(PL_utf8_print); | |
629 | SvREFCNT_dec(PL_utf8_punct); | |
630 | SvREFCNT_dec(PL_utf8_xdigit); | |
631 | SvREFCNT_dec(PL_utf8_mark); | |
632 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 633 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 634 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 635 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
636 | SvREFCNT_dec(PL_utf8_idstart); |
637 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
638 | PL_utf8_alnum = Nullsv; |
639 | PL_utf8_alnumc = Nullsv; | |
640 | PL_utf8_ascii = Nullsv; | |
641 | PL_utf8_alpha = Nullsv; | |
642 | PL_utf8_space = Nullsv; | |
643 | PL_utf8_cntrl = Nullsv; | |
644 | PL_utf8_graph = Nullsv; | |
645 | PL_utf8_digit = Nullsv; | |
646 | PL_utf8_upper = Nullsv; | |
647 | PL_utf8_lower = Nullsv; | |
648 | PL_utf8_print = Nullsv; | |
649 | PL_utf8_punct = Nullsv; | |
650 | PL_utf8_xdigit = Nullsv; | |
651 | PL_utf8_mark = Nullsv; | |
652 | PL_utf8_toupper = Nullsv; | |
653 | PL_utf8_totitle = Nullsv; | |
654 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 655 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
656 | PL_utf8_idstart = Nullsv; |
657 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 658 | |
971a9dd3 GS |
659 | if (!specialWARN(PL_compiling.cop_warnings)) |
660 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 661 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
662 | if (!specialCopIO(PL_compiling.cop_io)) |
663 | SvREFCNT_dec(PL_compiling.cop_io); | |
664 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
665 | CopFILE_free(&PL_compiling); |
666 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 667 | |
a0d0e21e | 668 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 669 | |
3280af22 NIS |
670 | hv = PL_defstash; |
671 | PL_defstash = 0; | |
a0d0e21e | 672 | SvREFCNT_dec(hv); |
5c831c24 GS |
673 | SvREFCNT_dec(PL_curstname); |
674 | PL_curstname = Nullsv; | |
a0d0e21e | 675 | |
5a844595 GS |
676 | /* clear queued errors */ |
677 | SvREFCNT_dec(PL_errors); | |
678 | PL_errors = Nullsv; | |
679 | ||
a0d0e21e | 680 | FREETMPS; |
0453d815 | 681 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 682 | if (PL_scopestack_ix != 0) |
9014280d | 683 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 684 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
685 | (long)PL_scopestack_ix); |
686 | if (PL_savestack_ix != 0) | |
9014280d | 687 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 688 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
689 | (long)PL_savestack_ix); |
690 | if (PL_tmps_floor != -1) | |
9014280d | 691 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 692 | (long)PL_tmps_floor + 1); |
a0d0e21e | 693 | if (cxstack_ix != -1) |
9014280d | 694 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 695 | (long)cxstack_ix + 1); |
a0d0e21e | 696 | } |
8990e307 LW |
697 | |
698 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 699 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 700 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
701 | |
702 | /* the 2 is for PL_fdpid and PL_strtab */ | |
703 | while (PL_sv_count > 2 && sv_clean_all()) | |
704 | ; | |
705 | ||
d33b2eba GS |
706 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
707 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
708 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
709 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 710 | |
d4777f27 GS |
711 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
712 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
713 | PL_fdpid = Nullav; |
714 | ||
6c644e78 GS |
715 | #ifdef HAVE_INTERP_INTERN |
716 | sys_intern_clear(); | |
717 | #endif | |
718 | ||
6e72f9df | 719 | /* Destruct the global string table. */ |
720 | { | |
721 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
722 | * so that sv_free() won't fail on them. | |
723 | */ | |
724 | I32 riter; | |
725 | I32 max; | |
726 | HE *hent; | |
727 | HE **array; | |
728 | ||
729 | riter = 0; | |
3280af22 NIS |
730 | max = HvMAX(PL_strtab); |
731 | array = HvARRAY(PL_strtab); | |
6e72f9df | 732 | hent = array[0]; |
733 | for (;;) { | |
0453d815 | 734 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
9014280d | 735 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 736 | "Unbalanced string table refcount: (%d) for \"%s\"", |
6e72f9df | 737 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
738 | HeVAL(hent) = Nullsv; | |
739 | hent = HeNEXT(hent); | |
740 | } | |
741 | if (!hent) { | |
742 | if (++riter > max) | |
743 | break; | |
744 | hent = array[riter]; | |
745 | } | |
746 | } | |
747 | } | |
3280af22 | 748 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 749 | |
e652bb2f | 750 | #ifdef USE_ITHREADS |
a0739874 DM |
751 | /* free the pointer table used for cloning */ |
752 | ptr_table_free(PL_ptr_table); | |
bf9cdc68 | 753 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 754 | #endif |
a0739874 | 755 | |
d33b2eba GS |
756 | /* free special SVs */ |
757 | ||
758 | SvREFCNT(&PL_sv_yes) = 0; | |
759 | sv_clear(&PL_sv_yes); | |
760 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 761 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
762 | |
763 | SvREFCNT(&PL_sv_no) = 0; | |
764 | sv_clear(&PL_sv_no); | |
765 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 766 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 767 | |
9f375a43 DM |
768 | { |
769 | int i; | |
770 | for (i=0; i<=2; i++) { | |
771 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
772 | sv_clear(PERL_DEBUG_PAD(i)); | |
773 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
774 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
775 | } | |
776 | } | |
777 | ||
0453d815 | 778 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 779 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 780 | |
eba0f806 DM |
781 | #ifdef DEBUG_LEAKING_SCALARS |
782 | if (PL_sv_count != 0) { | |
783 | SV* sva; | |
784 | SV* sv; | |
785 | register SV* svend; | |
786 | ||
787 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
788 | svend = &sva[SvREFCNT(sva)]; | |
789 | for (sv = sva + 1; sv < svend; ++sv) { | |
790 | if (SvTYPE(sv) != SVTYPEMASK) { | |
791 | PerlIO_printf(Perl_debug_log, "leaked: 0x%p\n", sv); | |
792 | } | |
793 | } | |
794 | } | |
795 | } | |
796 | #endif | |
bf9cdc68 | 797 | PL_sv_count = 0; |
eba0f806 DM |
798 | |
799 | ||
56a2bab7 | 800 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
801 | /* No more IO - including error messages ! */ |
802 | PerlIO_cleanup(aTHX); | |
803 | #endif | |
804 | ||
9f4bd222 NIS |
805 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
806 | as currently layers use it rather than Nullsv as a marker | |
807 | for no arg - and will try and SvREFCNT_dec it. | |
808 | */ | |
809 | SvREFCNT(&PL_sv_undef) = 0; | |
810 | SvREADONLY_off(&PL_sv_undef); | |
811 | ||
7996736c MHM |
812 | SvREFCNT(&PL_sv_placeholder) = 0; |
813 | SvREADONLY_off(&PL_sv_placeholder); | |
814 | ||
3280af22 | 815 | Safefree(PL_origfilename); |
bf9cdc68 | 816 | PL_origfilename = Nullch; |
3280af22 | 817 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
818 | PL_reg_start_tmp = (char**)NULL; |
819 | PL_reg_start_tmpl = 0; | |
5c5e4c24 IZ |
820 | if (PL_reg_curpm) |
821 | Safefree(PL_reg_curpm); | |
82ba1be6 | 822 | Safefree(PL_reg_poscache); |
dd28f7bb | 823 | free_tied_hv_pool(); |
3280af22 | 824 | Safefree(PL_op_mask); |
cf36064f | 825 | Safefree(PL_psig_ptr); |
bf9cdc68 | 826 | PL_psig_ptr = (SV**)NULL; |
cf36064f | 827 | Safefree(PL_psig_name); |
bf9cdc68 | 828 | PL_psig_name = (SV**)NULL; |
2c2666fc | 829 | Safefree(PL_bitcount); |
bf9cdc68 | 830 | PL_bitcount = Nullch; |
ce08f86c | 831 | Safefree(PL_psig_pend); |
bf9cdc68 RG |
832 | PL_psig_pend = (int*)NULL; |
833 | PL_formfeed = Nullsv; | |
834 | Safefree(PL_ofmt); | |
835 | PL_ofmt = Nullch; | |
6e72f9df | 836 | nuke_stacks(); |
bf9cdc68 RG |
837 | PL_tainting = FALSE; |
838 | PL_taint_warn = FALSE; | |
3280af22 | 839 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 840 | PL_debug = 0; |
ac27b0f5 | 841 | |
a0d0e21e | 842 | DEBUG_P(debprofdump()); |
d33b2eba | 843 | |
e5dd39fc | 844 | #ifdef USE_REENTRANT_API |
10bc17b6 | 845 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
846 | #endif |
847 | ||
612f20c3 GS |
848 | sv_free_arenas(); |
849 | ||
fc36a67e | 850 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
851 | ||
3280af22 | 852 | if (PL_mess_sv) { |
9c63abab GS |
853 | /* it could have accumulated taint magic */ |
854 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
855 | MAGIC* mg; | |
856 | MAGIC* moremagic; | |
857 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
858 | moremagic = mg->mg_moremagic; | |
14befaf4 DM |
859 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global |
860 | && mg->mg_len >= 0) | |
9c63abab GS |
861 | Safefree(mg->mg_ptr); |
862 | Safefree(mg); | |
863 | } | |
864 | } | |
fc36a67e | 865 | /* we know that type >= SVt_PV */ |
155aba94 | 866 | (void)SvOOK_off(PL_mess_sv); |
3280af22 NIS |
867 | Safefree(SvPVX(PL_mess_sv)); |
868 | Safefree(SvANY(PL_mess_sv)); | |
869 | Safefree(PL_mess_sv); | |
870 | PL_mess_sv = Nullsv; | |
fc36a67e | 871 | } |
31d77e54 | 872 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
873 | } |
874 | ||
954c1994 GS |
875 | /* |
876 | =for apidoc perl_free | |
877 | ||
878 | Releases a Perl interpreter. See L<perlembed>. | |
879 | ||
880 | =cut | |
881 | */ | |
882 | ||
79072805 | 883 | void |
0cb96387 | 884 | perl_free(pTHXx) |
79072805 | 885 | { |
acfe0abc | 886 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 887 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
888 | # ifdef NETWARE |
889 | void *host = nw_internal_host; | |
890 | # else | |
891 | void *host = w32_internal_host; | |
892 | # endif | |
ce3e5b80 | 893 | PerlMem_free(aTHXx); |
acfe0abc | 894 | # ifdef NETWARE |
011f1a1a | 895 | nw_delete_internal_host(host); |
acfe0abc GS |
896 | # else |
897 | win32_delete_internal_host(host); | |
898 | # endif | |
1c0ca838 GS |
899 | # else |
900 | PerlMem_free(aTHXx); | |
901 | # endif | |
acfe0abc GS |
902 | #else |
903 | PerlMem_free(aTHXx); | |
76e3520e | 904 | #endif |
79072805 LW |
905 | } |
906 | ||
4b556e6c | 907 | void |
864dbfa3 | 908 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 909 | { |
3280af22 NIS |
910 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
911 | PL_exitlist[PL_exitlistlen].fn = fn; | |
912 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
913 | ++PL_exitlistlen; | |
4b556e6c JD |
914 | } |
915 | ||
954c1994 GS |
916 | /* |
917 | =for apidoc perl_parse | |
918 | ||
919 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
920 | ||
921 | =cut | |
922 | */ | |
923 | ||
79072805 | 924 | int |
0cb96387 | 925 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 926 | { |
6224f72b | 927 | I32 oldscope; |
6224f72b | 928 | int ret; |
db36c5a1 | 929 | dJMPENV; |
4d1ff10f | 930 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
931 | dTHX; |
932 | #endif | |
8d063cd8 | 933 | |
a687059c LW |
934 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
935 | #ifdef IAMSUID | |
936 | #undef IAMSUID | |
cea2e8a9 | 937 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
938 | setuid perl scripts securely.\n"); |
939 | #endif | |
940 | #endif | |
941 | ||
b0891165 JH |
942 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
943 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 944 | * This MUST be done before any hash stores or fetches take place. |
008fb0c0 NC |
945 | * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set) |
946 | * yourself, it is your responsibility to provide a good random seed! | |
830b38bd | 947 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
948 | if (!PL_rehash_seed_set) |
949 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 950 | { |
bed60192 JH |
951 | char *s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
952 | ||
953 | if (s) { | |
954 | int i = atoi(s); | |
955 | ||
956 | if (i == 1) | |
957 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", | |
008fb0c0 | 958 | PL_rehash_seed); |
bed60192 | 959 | } |
b0891165 JH |
960 | } |
961 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
962 | ||
3280af22 | 963 | PL_origargc = argc; |
e2975953 | 964 | PL_origargv = argv; |
a0d0e21e | 965 | |
54bfe034 | 966 | { |
3cb9023d JH |
967 | /* Set PL_origalen be the sum of the contiguous argv[] |
968 | * elements plus the size of the env in case that it is | |
969 | * contiguous with the argv[]. This is used in mg.c:mg_set() | |
970 | * as the maximum modifiable length of $0. In the worst case | |
971 | * the area we are able to modify is limited to the size of | |
43c32782 | 972 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 973 | * --jhi */ |
84458fbf | 974 | char *s = NULL; |
54bfe034 | 975 | int i; |
7d8e7db3 JH |
976 | UV mask = |
977 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); | |
43c32782 JH |
978 | /* Do the mask check only if the args seem like aligned. */ |
979 | UV aligned = | |
980 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); | |
981 | ||
982 | /* See if all the arguments are contiguous in memory. Note | |
983 | * that 'contiguous' is a loose term because some platforms | |
984 | * align the argv[] and the envp[]. If the arguments look | |
985 | * like non-aligned, assume that they are 'strictly' or | |
986 | * 'traditionally' contiguous. If the arguments look like | |
987 | * aligned, we just check that they are within aligned | |
988 | * PTRSIZE bytes. As long as no system has something bizarre | |
989 | * like the argv[] interleaved with some other data, we are | |
990 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
991 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
992 | while (*s) s++; | |
993 | for (i = 1; i < PL_origargc; i++) { | |
994 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 995 | #ifdef OS2 |
c8941eeb | 996 | || PL_origargv[i] == s + 2 |
43c32782 | 997 | #endif |
c8941eeb JH |
998 | ) |
999 | || | |
1000 | (aligned && | |
1001 | (PL_origargv[i] > s && | |
1002 | PL_origargv[i] <= | |
1003 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1004 | ) | |
1005 | { | |
1006 | s = PL_origargv[i]; | |
1007 | while (*s) s++; | |
1008 | } | |
1009 | else | |
1010 | break; | |
54bfe034 | 1011 | } |
54bfe034 | 1012 | } |
3cb9023d | 1013 | /* Can we grab env area too to be used as the area for $0? */ |
43c32782 JH |
1014 | if (PL_origenviron) { |
1015 | if ((PL_origenviron[0] == s + 1 | |
1016 | #ifdef OS2 | |
1017 | || (PL_origenviron[0] == s + 9 && (s += 8)) | |
1018 | #endif | |
1019 | ) | |
1020 | || | |
1021 | (aligned && | |
1022 | (PL_origenviron[0] > s && | |
1023 | PL_origenviron[0] <= | |
1024 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1025 | ) | |
1026 | { | |
1027 | #ifndef OS2 | |
1028 | s = PL_origenviron[0]; | |
1029 | while (*s) s++; | |
1030 | #endif | |
1031 | my_setenv("NoNe SuCh", Nullch); | |
1032 | /* Force copy of environment. */ | |
1033 | for (i = 1; PL_origenviron[i]; i++) { | |
1034 | if (PL_origenviron[i] == s + 1 | |
1035 | || | |
1036 | (aligned && | |
1037 | (PL_origenviron[i] > s && | |
1038 | PL_origenviron[i] <= | |
1039 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1040 | ) | |
1041 | { | |
1042 | s = PL_origenviron[i]; | |
1043 | while (*s) s++; | |
1044 | } | |
1045 | else | |
1046 | break; | |
54bfe034 | 1047 | } |
43c32782 | 1048 | } |
54bfe034 | 1049 | } |
284e1220 | 1050 | PL_origalen = s - PL_origargv[0] + 1; |
54bfe034 JH |
1051 | } |
1052 | ||
3280af22 | 1053 | if (PL_do_undump) { |
a0d0e21e LW |
1054 | |
1055 | /* Come here if running an undumped a.out. */ | |
1056 | ||
3280af22 NIS |
1057 | PL_origfilename = savepv(argv[0]); |
1058 | PL_do_undump = FALSE; | |
a0d0e21e | 1059 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1060 | init_ids(); |
a0d0e21e LW |
1061 | init_postdump_symbols(argc,argv,env); |
1062 | return 0; | |
1063 | } | |
1064 | ||
3280af22 | 1065 | if (PL_main_root) { |
3280af22 NIS |
1066 | op_free(PL_main_root); |
1067 | PL_main_root = Nullop; | |
ff0cee69 | 1068 | } |
3280af22 NIS |
1069 | PL_main_start = Nullop; |
1070 | SvREFCNT_dec(PL_main_cv); | |
1071 | PL_main_cv = Nullcv; | |
79072805 | 1072 | |
3280af22 NIS |
1073 | time(&PL_basetime); |
1074 | oldscope = PL_scopestack_ix; | |
599cee73 | 1075 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1076 | |
14dd3ad8 GS |
1077 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1078 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
1079 | #else | |
1080 | JMPENV_PUSH(ret); | |
1081 | #endif | |
6224f72b | 1082 | switch (ret) { |
312caa8e | 1083 | case 0: |
14dd3ad8 GS |
1084 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1085 | parse_body(env,xsinit); | |
1086 | #endif | |
7d30b5c4 GS |
1087 | if (PL_checkav) |
1088 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1089 | ret = 0; |
1090 | break; | |
6224f72b GS |
1091 | case 1: |
1092 | STATUS_ALL_FAILURE; | |
1093 | /* FALL THROUGH */ | |
1094 | case 2: | |
1095 | /* my_exit() was called */ | |
3280af22 | 1096 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1097 | LEAVE; |
1098 | FREETMPS; | |
3280af22 | 1099 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
1100 | if (PL_checkav) |
1101 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1102 | ret = STATUS_NATIVE_EXPORT; |
1103 | break; | |
6224f72b | 1104 | case 3: |
bf49b057 | 1105 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1106 | ret = 1; |
1107 | break; | |
6224f72b | 1108 | } |
14dd3ad8 GS |
1109 | JMPENV_POP; |
1110 | return ret; | |
1111 | } | |
1112 | ||
1113 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
1114 | STATIC void * | |
1115 | S_vparse_body(pTHX_ va_list args) | |
1116 | { | |
1117 | char **env = va_arg(args, char**); | |
1118 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
1119 | ||
1120 | return parse_body(env, xsinit); | |
312caa8e | 1121 | } |
14dd3ad8 | 1122 | #endif |
312caa8e CS |
1123 | |
1124 | STATIC void * | |
14dd3ad8 | 1125 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1126 | { |
312caa8e CS |
1127 | int argc = PL_origargc; |
1128 | char **argv = PL_origargv; | |
312caa8e CS |
1129 | char *scriptname = NULL; |
1130 | int fdscript = -1; | |
1131 | VOL bool dosearch = FALSE; | |
1132 | char *validarg = ""; | |
312caa8e CS |
1133 | register SV *sv; |
1134 | register char *s; | |
cf756827 | 1135 | char *cddir = Nullch; |
312caa8e | 1136 | |
3280af22 | 1137 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 1138 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
1139 | SAVEFREESV(sv); |
1140 | init_main_stash(); | |
54310121 | 1141 | |
6224f72b GS |
1142 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1143 | if (argv[0][0] != '-' || !argv[0][1]) | |
1144 | break; | |
1145 | #ifdef DOSUID | |
1146 | if (*validarg) | |
1147 | validarg = " PHOOEY "; | |
1148 | else | |
1149 | validarg = argv[0]; | |
13281fa4 | 1150 | #endif |
6224f72b GS |
1151 | s = argv[0]+1; |
1152 | reswitch: | |
1153 | switch (*s) { | |
729a02f2 | 1154 | case 'C': |
1d5472a9 GS |
1155 | #ifndef PERL_STRICT_CR |
1156 | case '\r': | |
1157 | #endif | |
6224f72b GS |
1158 | case ' ': |
1159 | case '0': | |
1160 | case 'F': | |
1161 | case 'a': | |
1162 | case 'c': | |
1163 | case 'd': | |
1164 | case 'D': | |
1165 | case 'h': | |
1166 | case 'i': | |
1167 | case 'l': | |
1168 | case 'M': | |
1169 | case 'm': | |
1170 | case 'n': | |
1171 | case 'p': | |
1172 | case 's': | |
1173 | case 'u': | |
1174 | case 'U': | |
1175 | case 'v': | |
599cee73 PM |
1176 | case 'W': |
1177 | case 'X': | |
6224f72b | 1178 | case 'w': |
06492da6 | 1179 | case 'A': |
155aba94 | 1180 | if ((s = moreswitches(s))) |
6224f72b GS |
1181 | goto reswitch; |
1182 | break; | |
33b78306 | 1183 | |
1dbad523 | 1184 | case 't': |
22f7c9c9 | 1185 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1186 | if( !PL_tainting ) { |
1187 | PL_taint_warn = TRUE; | |
1188 | PL_tainting = TRUE; | |
1189 | } | |
1190 | s++; | |
1191 | goto reswitch; | |
6224f72b | 1192 | case 'T': |
22f7c9c9 | 1193 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1194 | PL_tainting = TRUE; |
317ea90d | 1195 | PL_taint_warn = FALSE; |
6224f72b GS |
1196 | s++; |
1197 | goto reswitch; | |
f86702cc | 1198 | |
6224f72b | 1199 | case 'e': |
bf4acbe4 GS |
1200 | #ifdef MACOS_TRADITIONAL |
1201 | /* ignore -e for Dev:Pseudo argument */ | |
1202 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1203 | break; |
bf4acbe4 | 1204 | #endif |
3280af22 | 1205 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 1206 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 1207 | if (!PL_e_script) { |
79cb57f6 | 1208 | PL_e_script = newSVpvn("",0); |
0cb96387 | 1209 | filter_add(read_e_script, NULL); |
6224f72b GS |
1210 | } |
1211 | if (*++s) | |
3280af22 | 1212 | sv_catpv(PL_e_script, s); |
6224f72b | 1213 | else if (argv[1]) { |
3280af22 | 1214 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1215 | argc--,argv++; |
1216 | } | |
1217 | else | |
cea2e8a9 | 1218 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 1219 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 1220 | break; |
afe37c7d | 1221 | |
6224f72b GS |
1222 | case 'I': /* -I handled both here and in moreswitches() */ |
1223 | forbid_setid("-I"); | |
1224 | if (!*++s && (s=argv[1]) != Nullch) { | |
1225 | argc--,argv++; | |
1226 | } | |
6224f72b | 1227 | if (s && *s) { |
0df16ed7 GS |
1228 | char *p; |
1229 | STRLEN len = strlen(s); | |
1230 | p = savepvn(s, len); | |
574c798a | 1231 | incpush(p, TRUE, TRUE, FALSE); |
0df16ed7 GS |
1232 | sv_catpvn(sv, "-I", 2); |
1233 | sv_catpvn(sv, p, len); | |
1234 | sv_catpvn(sv, " ", 1); | |
6224f72b | 1235 | Safefree(p); |
0df16ed7 GS |
1236 | } |
1237 | else | |
a67e862a | 1238 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1239 | break; |
1240 | case 'P': | |
1241 | forbid_setid("-P"); | |
3280af22 | 1242 | PL_preprocess = TRUE; |
6224f72b GS |
1243 | s++; |
1244 | goto reswitch; | |
1245 | case 'S': | |
1246 | forbid_setid("-S"); | |
1247 | dosearch = TRUE; | |
1248 | s++; | |
1249 | goto reswitch; | |
1250 | case 'V': | |
3280af22 NIS |
1251 | if (!PL_preambleav) |
1252 | PL_preambleav = newAV(); | |
1253 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1254 | if (*++s != ':') { |
3280af22 | 1255 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1256 | #ifdef VMS |
6b88bc9c | 1257 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1258 | #else |
3280af22 | 1259 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1260 | #endif |
3280af22 | 1261 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1262 | # ifdef DEBUGGING |
3280af22 | 1263 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1264 | # endif |
6224f72b | 1265 | # ifdef MULTIPLICITY |
8f872242 | 1266 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1267 | # endif |
4d1ff10f AB |
1268 | # ifdef USE_5005THREADS |
1269 | sv_catpv(PL_Sv," USE_5005THREADS"); | |
b363f7ed | 1270 | # endif |
ac5e8965 JH |
1271 | # ifdef USE_ITHREADS |
1272 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1273 | # endif | |
10cc9d2a JH |
1274 | # ifdef USE_64_BIT_INT |
1275 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1276 | # endif | |
1277 | # ifdef USE_64_BIT_ALL | |
1278 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1279 | # endif |
1280 | # ifdef USE_LONG_DOUBLE | |
1281 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1282 | # endif | |
53430762 JH |
1283 | # ifdef USE_LARGE_FILES |
1284 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1285 | # endif | |
ac5e8965 JH |
1286 | # ifdef USE_SOCKS |
1287 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1288 | # endif | |
b363f7ed GS |
1289 | # ifdef PERL_IMPLICIT_CONTEXT |
1290 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1291 | # endif | |
1292 | # ifdef PERL_IMPLICIT_SYS | |
1293 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1294 | # endif | |
3280af22 | 1295 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1296 | |
6224f72b GS |
1297 | #if defined(LOCAL_PATCH_COUNT) |
1298 | if (LOCAL_PATCH_COUNT > 0) { | |
1299 | int i; | |
3280af22 | 1300 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1301 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1302 | if (PL_localpatches[i]) |
cea2e8a9 | 1303 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1304 | } |
1305 | } | |
1306 | #endif | |
cea2e8a9 | 1307 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1308 | #ifdef __DATE__ |
1309 | # ifdef __TIME__ | |
cea2e8a9 | 1310 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1311 | # else |
cea2e8a9 | 1312 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1313 | # endif |
1314 | #endif | |
3280af22 | 1315 | sv_catpv(PL_Sv, "; \ |
6224f72b | 1316 | $\"=\"\\n \"; \ |
69fcd688 JH |
1317 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; "); |
1318 | #ifdef __CYGWIN__ | |
1319 | sv_catpv(PL_Sv,"\ | |
1320 | push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); | |
1321 | #endif | |
1322 | sv_catpv(PL_Sv, "\ | |
6224f72b GS |
1323 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
1324 | print \" \\@INC:\\n @INC\\n\";"); | |
1325 | } | |
1326 | else { | |
3280af22 NIS |
1327 | PL_Sv = newSVpv("config_vars(qw(",0); |
1328 | sv_catpv(PL_Sv, ++s); | |
1329 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1330 | s += strlen(s); |
1331 | } | |
3280af22 | 1332 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1333 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1334 | goto reswitch; | |
1335 | case 'x': | |
3280af22 | 1336 | PL_doextract = TRUE; |
6224f72b GS |
1337 | s++; |
1338 | if (*s) | |
f4c556ac | 1339 | cddir = s; |
6224f72b GS |
1340 | break; |
1341 | case 0: | |
1342 | break; | |
1343 | case '-': | |
1344 | if (!*++s || isSPACE(*s)) { | |
1345 | argc--,argv++; | |
1346 | goto switch_end; | |
1347 | } | |
1348 | /* catch use of gnu style long options */ | |
1349 | if (strEQ(s, "version")) { | |
1350 | s = "v"; | |
1351 | goto reswitch; | |
1352 | } | |
1353 | if (strEQ(s, "help")) { | |
1354 | s = "h"; | |
1355 | goto reswitch; | |
1356 | } | |
1357 | s--; | |
1358 | /* FALL THROUGH */ | |
1359 | default: | |
cea2e8a9 | 1360 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1361 | } |
1362 | } | |
6224f72b | 1363 | switch_end: |
7f9e821f | 1364 | sv_setsv(get_sv("/", TRUE), PL_rs); |
54310121 | 1365 | |
f675dbe5 CB |
1366 | if ( |
1367 | #ifndef SECURE_INTERNAL_GETENV | |
1368 | !PL_tainting && | |
1369 | #endif | |
cf756827 | 1370 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1371 | { |
cf756827 | 1372 | char *popt = s; |
74288ac8 GS |
1373 | while (isSPACE(*s)) |
1374 | s++; | |
317ea90d | 1375 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1376 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1377 | PL_tainting = TRUE; |
317ea90d MS |
1378 | PL_taint_warn = FALSE; |
1379 | } | |
74288ac8 | 1380 | else { |
cf756827 | 1381 | char *popt_copy = Nullch; |
74288ac8 | 1382 | while (s && *s) { |
4ea8f8fb | 1383 | char *d; |
74288ac8 GS |
1384 | while (isSPACE(*s)) |
1385 | s++; | |
1386 | if (*s == '-') { | |
1387 | s++; | |
1388 | if (isSPACE(*s)) | |
1389 | continue; | |
1390 | } | |
4ea8f8fb | 1391 | d = s; |
74288ac8 GS |
1392 | if (!*s) |
1393 | break; | |
06492da6 | 1394 | if (!strchr("DIMUdmtwA", *s)) |
cea2e8a9 | 1395 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1396 | while (++s && *s) { |
1397 | if (isSPACE(*s)) { | |
cf756827 GS |
1398 | if (!popt_copy) { |
1399 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1400 | s = popt_copy + (s - popt); | |
1401 | d = popt_copy + (d - popt); | |
1402 | } | |
4ea8f8fb MS |
1403 | *s++ = '\0'; |
1404 | break; | |
1405 | } | |
1406 | } | |
1c4db469 | 1407 | if (*d == 't') { |
317ea90d MS |
1408 | if( !PL_tainting ) { |
1409 | PL_taint_warn = TRUE; | |
1410 | PL_tainting = TRUE; | |
1411 | } | |
1c4db469 RGS |
1412 | } else { |
1413 | moreswitches(d); | |
1414 | } | |
6224f72b | 1415 | } |
6224f72b GS |
1416 | } |
1417 | } | |
a0d0e21e | 1418 | |
317ea90d MS |
1419 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
1420 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
1421 | } | |
1422 | ||
6224f72b GS |
1423 | if (!scriptname) |
1424 | scriptname = argv[0]; | |
3280af22 | 1425 | if (PL_e_script) { |
6224f72b GS |
1426 | argc++,argv--; |
1427 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1428 | } | |
1429 | else if (scriptname == Nullch) { | |
1430 | #ifdef MSDOS | |
1431 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1432 | moreswitches("h"); | |
1433 | #endif | |
1434 | scriptname = "-"; | |
1435 | } | |
1436 | ||
1437 | init_perllib(); | |
1438 | ||
1439 | open_script(scriptname,dosearch,sv,&fdscript); | |
1440 | ||
1441 | validate_suid(validarg, scriptname,fdscript); | |
1442 | ||
64ca3a65 | 1443 | #ifndef PERL_MICRO |
0b5b802d GS |
1444 | #if defined(SIGCHLD) || defined(SIGCLD) |
1445 | { | |
1446 | #ifndef SIGCHLD | |
1447 | # define SIGCHLD SIGCLD | |
1448 | #endif | |
1449 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1450 | if (sigstate == SIG_IGN) { | |
1451 | if (ckWARN(WARN_SIGNAL)) | |
9014280d | 1452 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
1453 | "Can't ignore signal CHLD, forcing to default"); |
1454 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1455 | } | |
1456 | } | |
1457 | #endif | |
64ca3a65 | 1458 | #endif |
0b5b802d | 1459 | |
bf4acbe4 GS |
1460 | #ifdef MACOS_TRADITIONAL |
1461 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
1462 | #else | |
f4c556ac | 1463 | if (PL_doextract) { |
bf4acbe4 | 1464 | #endif |
6224f72b | 1465 | find_beginning(); |
f4c556ac GS |
1466 | if (cddir && PerlDir_chdir(cddir) < 0) |
1467 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1468 | ||
1469 | } | |
6224f72b | 1470 | |
3280af22 NIS |
1471 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1472 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1473 | CvUNIQUE_on(PL_compcv); | |
1474 | ||
dd2155a4 | 1475 | CvPADLIST(PL_compcv) = pad_new(0); |
4d1ff10f | 1476 | #ifdef USE_5005THREADS |
533c011a NIS |
1477 | CvOWNER(PL_compcv) = 0; |
1478 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1479 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
4d1ff10f | 1480 | #endif /* USE_5005THREADS */ |
6224f72b | 1481 | |
0c4f7ff0 | 1482 | boot_core_PerlIO(); |
6224f72b | 1483 | boot_core_UNIVERSAL(); |
09bef843 | 1484 | boot_core_xsutils(); |
6224f72b GS |
1485 | |
1486 | if (xsinit) | |
acfe0abc | 1487 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 1488 | #ifndef PERL_MICRO |
ed79a026 | 1489 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) |
c5be433b | 1490 | init_os_extras(); |
6224f72b | 1491 | #endif |
64ca3a65 | 1492 | #endif |
6224f72b | 1493 | |
29209bc5 | 1494 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
1495 | # ifdef HAS_SOCKS5_INIT |
1496 | socks5_init(argv[0]); | |
1497 | # else | |
29209bc5 | 1498 | SOCKSinit(argv[0]); |
1b9c9cf5 | 1499 | # endif |
ac27b0f5 | 1500 | #endif |
29209bc5 | 1501 | |
6224f72b GS |
1502 | init_predump_symbols(); |
1503 | /* init_postdump_symbols not currently designed to be called */ | |
1504 | /* more than once (ENV isn't cleared first, for example) */ | |
1505 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1506 | if (!PL_do_undump) |
6224f72b GS |
1507 | init_postdump_symbols(argc,argv,env); |
1508 | ||
a05d7ebb JH |
1509 | /* PL_unicode is turned on by -C or by $ENV{PERL_UNICODE}. |
1510 | * PL_utf8locale is conditionally turned on by | |
085a54d9 | 1511 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 1512 | * look like the user wants to use UTF-8. */ |
06e66572 JH |
1513 | if (PL_unicode) { |
1514 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 1515 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
1516 | IO* io; |
1517 | PerlIO* fp; | |
1518 | SV* sv; | |
1519 | ||
a05d7ebb | 1520 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 1521 | * and the default open disciplines. */ |
a05d7ebb JH |
1522 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
1523 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
1524 | (fp = IoIFP(io))) | |
1525 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1526 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
1527 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
1528 | (fp = IoOFP(io))) | |
1529 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1530 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
1531 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
1532 | (fp = IoOFP(io))) | |
1533 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1534 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
1535 | (sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) { | |
1536 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; | |
1537 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
1538 | if (in) { | |
1539 | if (out) | |
1540 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
1541 | else | |
1542 | sv_setpvn(sv, ":utf8\0", 6); | |
1543 | } | |
1544 | else if (out) | |
1545 | sv_setpvn(sv, "\0:utf8", 6); | |
1546 | SvSETMAGIC(sv); | |
1547 | } | |
b310b053 JH |
1548 | } |
1549 | } | |
1550 | ||
4ffa73a3 JH |
1551 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
1552 | if (strEQ(s, "unsafe")) | |
1553 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
1554 | else if (strEQ(s, "safe")) | |
1555 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
1556 | else | |
1557 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
1558 | } | |
1559 | ||
6224f72b GS |
1560 | init_lexer(); |
1561 | ||
1562 | /* now parse the script */ | |
1563 | ||
93189314 | 1564 | SETERRNO(0,SS_NORMAL); |
3280af22 | 1565 | PL_error_count = 0; |
bf4acbe4 GS |
1566 | #ifdef MACOS_TRADITIONAL |
1567 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
1568 | if (PL_minus_c) | |
1569 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
1570 | else { | |
1571 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
1572 | MacPerl_MPWFileName(PL_origfilename)); | |
1573 | } | |
1574 | } | |
1575 | #else | |
3280af22 NIS |
1576 | if (yyparse() || PL_error_count) { |
1577 | if (PL_minus_c) | |
cea2e8a9 | 1578 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1579 | else { |
cea2e8a9 | 1580 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1581 | PL_origfilename); |
6224f72b GS |
1582 | } |
1583 | } | |
bf4acbe4 | 1584 | #endif |
57843af0 | 1585 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1586 | PL_curstash = PL_defstash; |
1587 | PL_preprocess = FALSE; | |
1588 | if (PL_e_script) { | |
1589 | SvREFCNT_dec(PL_e_script); | |
1590 | PL_e_script = Nullsv; | |
6224f72b GS |
1591 | } |
1592 | ||
3280af22 | 1593 | if (PL_do_undump) |
6224f72b GS |
1594 | my_unexec(); |
1595 | ||
57843af0 GS |
1596 | if (isWARN_ONCE) { |
1597 | SAVECOPFILE(PL_curcop); | |
1598 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1599 | gv_check(PL_defstash); |
57843af0 | 1600 | } |
6224f72b GS |
1601 | |
1602 | LEAVE; | |
1603 | FREETMPS; | |
1604 | ||
1605 | #ifdef MYMALLOC | |
1606 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1607 | dump_mstats("after compilation:"); | |
1608 | #endif | |
1609 | ||
1610 | ENTER; | |
3280af22 | 1611 | PL_restartop = 0; |
312caa8e | 1612 | return NULL; |
6224f72b GS |
1613 | } |
1614 | ||
954c1994 GS |
1615 | /* |
1616 | =for apidoc perl_run | |
1617 | ||
1618 | Tells a Perl interpreter to run. See L<perlembed>. | |
1619 | ||
1620 | =cut | |
1621 | */ | |
1622 | ||
6224f72b | 1623 | int |
0cb96387 | 1624 | perl_run(pTHXx) |
6224f72b | 1625 | { |
6224f72b | 1626 | I32 oldscope; |
14dd3ad8 | 1627 | int ret = 0; |
db36c5a1 | 1628 | dJMPENV; |
4d1ff10f | 1629 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
1630 | dTHX; |
1631 | #endif | |
6224f72b | 1632 | |
3280af22 | 1633 | oldscope = PL_scopestack_ix; |
96e176bf CL |
1634 | #ifdef VMS |
1635 | VMSISH_HUSHED = 0; | |
1636 | #endif | |
6224f72b | 1637 | |
14dd3ad8 | 1638 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1639 | redo_body: |
14dd3ad8 GS |
1640 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1641 | #else | |
1642 | JMPENV_PUSH(ret); | |
1643 | #endif | |
6224f72b GS |
1644 | switch (ret) { |
1645 | case 1: | |
1646 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1647 | goto redo_body; |
14dd3ad8 GS |
1648 | case 0: /* normal completion */ |
1649 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1650 | redo_body: | |
1651 | run_body(oldscope); | |
1652 | #endif | |
1653 | /* FALL THROUGH */ | |
1654 | case 2: /* my_exit() */ | |
3280af22 | 1655 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1656 | LEAVE; |
1657 | FREETMPS; | |
3280af22 | 1658 | PL_curstash = PL_defstash; |
3a1ee7e8 | 1659 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
1660 | PL_endav && !PL_minus_c) |
1661 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1662 | #ifdef MYMALLOC |
1663 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1664 | dump_mstats("after execution: "); | |
1665 | #endif | |
14dd3ad8 GS |
1666 | ret = STATUS_NATIVE_EXPORT; |
1667 | break; | |
6224f72b | 1668 | case 3: |
312caa8e CS |
1669 | if (PL_restartop) { |
1670 | POPSTACK_TO(PL_mainstack); | |
1671 | goto redo_body; | |
6224f72b | 1672 | } |
bf49b057 | 1673 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1674 | FREETMPS; |
14dd3ad8 GS |
1675 | ret = 1; |
1676 | break; | |
6224f72b GS |
1677 | } |
1678 | ||
14dd3ad8 GS |
1679 | JMPENV_POP; |
1680 | return ret; | |
312caa8e CS |
1681 | } |
1682 | ||
14dd3ad8 | 1683 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1684 | STATIC void * |
14dd3ad8 | 1685 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1686 | { |
312caa8e CS |
1687 | I32 oldscope = va_arg(args, I32); |
1688 | ||
14dd3ad8 GS |
1689 | return run_body(oldscope); |
1690 | } | |
1691 | #endif | |
1692 | ||
1693 | ||
1694 | STATIC void * | |
1695 | S_run_body(pTHX_ I32 oldscope) | |
1696 | { | |
6224f72b | 1697 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1698 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1699 | |
3280af22 | 1700 | if (!PL_restartop) { |
6224f72b | 1701 | DEBUG_x(dump_all()); |
ecae49c0 NC |
1702 | if (!DEBUG_q_TEST) |
1703 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1704 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1705 | PTR2UV(thr))); | |
6224f72b | 1706 | |
3280af22 | 1707 | if (PL_minus_c) { |
bf4acbe4 | 1708 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
1709 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
1710 | (gMacPerl_ErrorFormat ? "# " : ""), | |
1711 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 1712 | #else |
bf49b057 | 1713 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 1714 | #endif |
6224f72b GS |
1715 | my_exit(0); |
1716 | } | |
3280af22 | 1717 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 1718 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1719 | if (PL_initav) |
1720 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1721 | } |
1722 | ||
1723 | /* do it */ | |
1724 | ||
3280af22 | 1725 | if (PL_restartop) { |
533c011a | 1726 | PL_op = PL_restartop; |
3280af22 | 1727 | PL_restartop = 0; |
cea2e8a9 | 1728 | CALLRUNOPS(aTHX); |
6224f72b | 1729 | } |
3280af22 NIS |
1730 | else if (PL_main_start) { |
1731 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1732 | PL_op = PL_main_start; |
cea2e8a9 | 1733 | CALLRUNOPS(aTHX); |
6224f72b GS |
1734 | } |
1735 | ||
f6b3007c JH |
1736 | my_exit(0); |
1737 | /* NOTREACHED */ | |
312caa8e | 1738 | return NULL; |
6224f72b GS |
1739 | } |
1740 | ||
954c1994 | 1741 | /* |
ccfc67b7 JH |
1742 | =head1 SV Manipulation Functions |
1743 | ||
954c1994 GS |
1744 | =for apidoc p||get_sv |
1745 | ||
1746 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1747 | Perl variable does not exist then it will be created. If C<create> is not | |
1748 | set and the variable does not exist then NULL is returned. | |
1749 | ||
1750 | =cut | |
1751 | */ | |
1752 | ||
6224f72b | 1753 | SV* |
864dbfa3 | 1754 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1755 | { |
1756 | GV *gv; | |
4d1ff10f | 1757 | #ifdef USE_5005THREADS |
6224f72b GS |
1758 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1759 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 1760 | if (tmp != NOT_IN_PAD) |
6224f72b | 1761 | return THREADSV(tmp); |
6224f72b | 1762 | } |
4d1ff10f | 1763 | #endif /* USE_5005THREADS */ |
6224f72b GS |
1764 | gv = gv_fetchpv(name, create, SVt_PV); |
1765 | if (gv) | |
1766 | return GvSV(gv); | |
1767 | return Nullsv; | |
1768 | } | |
1769 | ||
954c1994 | 1770 | /* |
ccfc67b7 JH |
1771 | =head1 Array Manipulation Functions |
1772 | ||
954c1994 GS |
1773 | =for apidoc p||get_av |
1774 | ||
1775 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1776 | Perl variable does not exist then it will be created. If C<create> is not | |
1777 | set and the variable does not exist then NULL is returned. | |
1778 | ||
1779 | =cut | |
1780 | */ | |
1781 | ||
6224f72b | 1782 | AV* |
864dbfa3 | 1783 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1784 | { |
1785 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1786 | if (create) | |
1787 | return GvAVn(gv); | |
1788 | if (gv) | |
1789 | return GvAV(gv); | |
1790 | return Nullav; | |
1791 | } | |
1792 | ||
954c1994 | 1793 | /* |
ccfc67b7 JH |
1794 | =head1 Hash Manipulation Functions |
1795 | ||
954c1994 GS |
1796 | =for apidoc p||get_hv |
1797 | ||
1798 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1799 | Perl variable does not exist then it will be created. If C<create> is not | |
1800 | set and the variable does not exist then NULL is returned. | |
1801 | ||
1802 | =cut | |
1803 | */ | |
1804 | ||
6224f72b | 1805 | HV* |
864dbfa3 | 1806 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1807 | { |
a0d0e21e LW |
1808 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1809 | if (create) | |
1810 | return GvHVn(gv); | |
1811 | if (gv) | |
1812 | return GvHV(gv); | |
1813 | return Nullhv; | |
1814 | } | |
1815 | ||
954c1994 | 1816 | /* |
ccfc67b7 JH |
1817 | =head1 CV Manipulation Functions |
1818 | ||
954c1994 GS |
1819 | =for apidoc p||get_cv |
1820 | ||
1821 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1822 | the Perl subroutine does not exist then it will be declared (which has the | |
1823 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1824 | subroutine does not exist then NULL is returned. | |
1825 | ||
1826 | =cut | |
1827 | */ | |
1828 | ||
a0d0e21e | 1829 | CV* |
864dbfa3 | 1830 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1831 | { |
1832 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1833 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1834 | /* XXX this is probably not what they think they're getting. |
1835 | * It has the same effect as "sub name;", i.e. just a forward | |
1836 | * declaration! */ | |
8ebc5c01 | 1837 | if (create && !GvCVu(gv)) |
774d564b | 1838 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1839 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1840 | Nullop, |
a0d0e21e LW |
1841 | Nullop); |
1842 | if (gv) | |
8ebc5c01 | 1843 | return GvCVu(gv); |
a0d0e21e LW |
1844 | return Nullcv; |
1845 | } | |
1846 | ||
79072805 LW |
1847 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1848 | ||
954c1994 | 1849 | /* |
ccfc67b7 JH |
1850 | |
1851 | =head1 Callback Functions | |
1852 | ||
954c1994 GS |
1853 | =for apidoc p||call_argv |
1854 | ||
1855 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1856 | ||
1857 | =cut | |
1858 | */ | |
1859 | ||
a0d0e21e | 1860 | I32 |
864dbfa3 | 1861 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 1862 | |
8ac85365 NIS |
1863 | /* See G_* flags in cop.h */ |
1864 | /* null terminated arg list */ | |
8990e307 | 1865 | { |
a0d0e21e | 1866 | dSP; |
8990e307 | 1867 | |
924508f0 | 1868 | PUSHMARK(SP); |
a0d0e21e | 1869 | if (argv) { |
8990e307 | 1870 | while (*argv) { |
a0d0e21e | 1871 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1872 | argv++; |
1873 | } | |
a0d0e21e | 1874 | PUTBACK; |
8990e307 | 1875 | } |
864dbfa3 | 1876 | return call_pv(sub_name, flags); |
8990e307 LW |
1877 | } |
1878 | ||
954c1994 GS |
1879 | /* |
1880 | =for apidoc p||call_pv | |
1881 | ||
1882 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1883 | ||
1884 | =cut | |
1885 | */ | |
1886 | ||
a0d0e21e | 1887 | I32 |
864dbfa3 | 1888 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1889 | /* name of the subroutine */ |
1890 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1891 | { |
864dbfa3 | 1892 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1893 | } |
1894 | ||
954c1994 GS |
1895 | /* |
1896 | =for apidoc p||call_method | |
1897 | ||
1898 | Performs a callback to the specified Perl method. The blessed object must | |
1899 | be on the stack. See L<perlcall>. | |
1900 | ||
1901 | =cut | |
1902 | */ | |
1903 | ||
a0d0e21e | 1904 | I32 |
864dbfa3 | 1905 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1906 | /* name of the subroutine */ |
1907 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1908 | { |
968b3946 | 1909 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
1910 | } |
1911 | ||
1912 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1913 | /* |
1914 | =for apidoc p||call_sv | |
1915 | ||
1916 | Performs a callback to the Perl sub whose name is in the SV. See | |
1917 | L<perlcall>. | |
1918 | ||
1919 | =cut | |
1920 | */ | |
1921 | ||
a0d0e21e | 1922 | I32 |
864dbfa3 | 1923 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 1924 | /* See G_* flags in cop.h */ |
a0d0e21e | 1925 | { |
924508f0 | 1926 | dSP; |
a0d0e21e | 1927 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 1928 | UNOP method_op; |
aa689395 | 1929 | I32 oldmark; |
13689cfe | 1930 | volatile I32 retval = 0; |
a0d0e21e | 1931 | I32 oldscope; |
54310121 | 1932 | bool oldcatch = CATCH_GET; |
6224f72b | 1933 | int ret; |
533c011a | 1934 | OP* oldop = PL_op; |
db36c5a1 | 1935 | dJMPENV; |
1e422769 | 1936 | |
a0d0e21e LW |
1937 | if (flags & G_DISCARD) { |
1938 | ENTER; | |
1939 | SAVETMPS; | |
1940 | } | |
1941 | ||
aa689395 | 1942 | Zero(&myop, 1, LOGOP); |
54310121 | 1943 | myop.op_next = Nullop; |
f51d4af5 | 1944 | if (!(flags & G_NOARGS)) |
aa689395 | 1945 | myop.op_flags |= OPf_STACKED; |
54310121 | 1946 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1947 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1948 | OPf_WANT_SCALAR); | |
462e5cf6 | 1949 | SAVEOP(); |
533c011a | 1950 | PL_op = (OP*)&myop; |
aa689395 | 1951 | |
3280af22 NIS |
1952 | EXTEND(PL_stack_sp, 1); |
1953 | *++PL_stack_sp = sv; | |
aa689395 | 1954 | oldmark = TOPMARK; |
3280af22 | 1955 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1956 | |
3280af22 | 1957 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1958 | /* Handle first BEGIN of -d. */ |
3280af22 | 1959 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1960 | /* Try harder, since this may have been a sighandler, thus |
1961 | * curstash may be meaningless. */ | |
3280af22 | 1962 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1963 | && !(flags & G_NODEBUG)) |
533c011a | 1964 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1965 | |
968b3946 GS |
1966 | if (flags & G_METHOD) { |
1967 | Zero(&method_op, 1, UNOP); | |
1968 | method_op.op_next = PL_op; | |
1969 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
1970 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 1971 | PL_op = (OP*)&method_op; |
968b3946 GS |
1972 | } |
1973 | ||
312caa8e | 1974 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1975 | CATCH_SET(TRUE); |
14dd3ad8 | 1976 | call_body((OP*)&myop, FALSE); |
312caa8e | 1977 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1978 | CATCH_SET(oldcatch); |
312caa8e CS |
1979 | } |
1980 | else { | |
d78bda3d | 1981 | myop.op_other = (OP*)&myop; |
3280af22 | 1982 | PL_markstack_ptr--; |
4633a7c4 LW |
1983 | /* we're trying to emulate pp_entertry() here */ |
1984 | { | |
c09156bb | 1985 | register PERL_CONTEXT *cx; |
54310121 | 1986 | I32 gimme = GIMME_V; |
ac27b0f5 | 1987 | |
4633a7c4 LW |
1988 | ENTER; |
1989 | SAVETMPS; | |
ac27b0f5 | 1990 | |
968b3946 | 1991 | push_return(Nullop); |
1d76a5c3 | 1992 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 1993 | PUSHEVAL(cx, 0, 0); |
533c011a | 1994 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 1995 | |
faef0170 | 1996 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1997 | if (flags & G_KEEPERR) |
faef0170 | 1998 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1999 | else |
38a03e6e | 2000 | sv_setpv(ERRSV,""); |
4633a7c4 | 2001 | } |
3280af22 | 2002 | PL_markstack_ptr++; |
a0d0e21e | 2003 | |
14dd3ad8 GS |
2004 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
2005 | redo_body: | |
2006 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 2007 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
2008 | #else |
2009 | JMPENV_PUSH(ret); | |
2010 | #endif | |
6224f72b GS |
2011 | switch (ret) { |
2012 | case 0: | |
14dd3ad8 GS |
2013 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2014 | redo_body: | |
2015 | call_body((OP*)&myop, FALSE); | |
2016 | #endif | |
312caa8e CS |
2017 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2018 | if (!(flags & G_KEEPERR)) | |
2019 | sv_setpv(ERRSV,""); | |
a0d0e21e | 2020 | break; |
6224f72b | 2021 | case 1: |
f86702cc | 2022 | STATUS_ALL_FAILURE; |
a0d0e21e | 2023 | /* FALL THROUGH */ |
6224f72b | 2024 | case 2: |
a0d0e21e | 2025 | /* my_exit() was called */ |
3280af22 | 2026 | PL_curstash = PL_defstash; |
a0d0e21e | 2027 | FREETMPS; |
14dd3ad8 | 2028 | JMPENV_POP; |
cc3604b1 | 2029 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2030 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2031 | my_exit_jump(); |
a0d0e21e | 2032 | /* NOTREACHED */ |
6224f72b | 2033 | case 3: |
3280af22 | 2034 | if (PL_restartop) { |
533c011a | 2035 | PL_op = PL_restartop; |
3280af22 | 2036 | PL_restartop = 0; |
312caa8e | 2037 | goto redo_body; |
a0d0e21e | 2038 | } |
3280af22 | 2039 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2040 | if (flags & G_ARRAY) |
2041 | retval = 0; | |
2042 | else { | |
2043 | retval = 1; | |
3280af22 | 2044 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2045 | } |
312caa8e | 2046 | break; |
a0d0e21e | 2047 | } |
a0d0e21e | 2048 | |
3280af22 | 2049 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
2050 | SV **newsp; |
2051 | PMOP *newpm; | |
2052 | I32 gimme; | |
c09156bb | 2053 | register PERL_CONTEXT *cx; |
a0a2876f LW |
2054 | I32 optype; |
2055 | ||
2056 | POPBLOCK(cx,newpm); | |
2057 | POPEVAL(cx); | |
2058 | pop_return(); | |
3280af22 | 2059 | PL_curpm = newpm; |
a0a2876f | 2060 | LEAVE; |
a0d0e21e | 2061 | } |
14dd3ad8 | 2062 | JMPENV_POP; |
a0d0e21e | 2063 | } |
1e422769 | 2064 | |
a0d0e21e | 2065 | if (flags & G_DISCARD) { |
3280af22 | 2066 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2067 | retval = 0; |
2068 | FREETMPS; | |
2069 | LEAVE; | |
2070 | } | |
533c011a | 2071 | PL_op = oldop; |
a0d0e21e LW |
2072 | return retval; |
2073 | } | |
2074 | ||
14dd3ad8 | 2075 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2076 | STATIC void * |
14dd3ad8 | 2077 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
2078 | { |
2079 | OP *myop = va_arg(args, OP*); | |
2080 | int is_eval = va_arg(args, int); | |
2081 | ||
14dd3ad8 | 2082 | call_body(myop, is_eval); |
312caa8e CS |
2083 | return NULL; |
2084 | } | |
14dd3ad8 | 2085 | #endif |
312caa8e CS |
2086 | |
2087 | STATIC void | |
14dd3ad8 | 2088 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e | 2089 | { |
312caa8e CS |
2090 | if (PL_op == myop) { |
2091 | if (is_eval) | |
f807eda9 | 2092 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 2093 | else |
f807eda9 | 2094 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
2095 | } |
2096 | if (PL_op) | |
cea2e8a9 | 2097 | CALLRUNOPS(aTHX); |
312caa8e CS |
2098 | } |
2099 | ||
6e72f9df | 2100 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2101 | |
954c1994 GS |
2102 | /* |
2103 | =for apidoc p||eval_sv | |
2104 | ||
2105 | Tells Perl to C<eval> the string in the SV. | |
2106 | ||
2107 | =cut | |
2108 | */ | |
2109 | ||
a0d0e21e | 2110 | I32 |
864dbfa3 | 2111 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2112 | |
8ac85365 | 2113 | /* See G_* flags in cop.h */ |
a0d0e21e | 2114 | { |
924508f0 | 2115 | dSP; |
a0d0e21e | 2116 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 2117 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 2118 | volatile I32 retval = 0; |
4633a7c4 | 2119 | I32 oldscope; |
6224f72b | 2120 | int ret; |
533c011a | 2121 | OP* oldop = PL_op; |
db36c5a1 | 2122 | dJMPENV; |
84902520 | 2123 | |
4633a7c4 LW |
2124 | if (flags & G_DISCARD) { |
2125 | ENTER; | |
2126 | SAVETMPS; | |
2127 | } | |
2128 | ||
462e5cf6 | 2129 | SAVEOP(); |
533c011a NIS |
2130 | PL_op = (OP*)&myop; |
2131 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2132 | EXTEND(PL_stack_sp, 1); |
2133 | *++PL_stack_sp = sv; | |
2134 | oldscope = PL_scopestack_ix; | |
79072805 | 2135 | |
4633a7c4 LW |
2136 | if (!(flags & G_NOARGS)) |
2137 | myop.op_flags = OPf_STACKED; | |
79072805 | 2138 | myop.op_next = Nullop; |
6e72f9df | 2139 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2140 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2141 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2142 | OPf_WANT_SCALAR); | |
6e72f9df | 2143 | if (flags & G_KEEPERR) |
2144 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2145 | |
14dd3ad8 | 2146 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 2147 | redo_body: |
14dd3ad8 | 2148 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 2149 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
2150 | #else |
2151 | JMPENV_PUSH(ret); | |
2152 | #endif | |
6224f72b GS |
2153 | switch (ret) { |
2154 | case 0: | |
14dd3ad8 GS |
2155 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
2156 | redo_body: | |
2157 | call_body((OP*)&myop,TRUE); | |
2158 | #endif | |
312caa8e CS |
2159 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2160 | if (!(flags & G_KEEPERR)) | |
2161 | sv_setpv(ERRSV,""); | |
4633a7c4 | 2162 | break; |
6224f72b | 2163 | case 1: |
f86702cc | 2164 | STATUS_ALL_FAILURE; |
4633a7c4 | 2165 | /* FALL THROUGH */ |
6224f72b | 2166 | case 2: |
4633a7c4 | 2167 | /* my_exit() was called */ |
3280af22 | 2168 | PL_curstash = PL_defstash; |
4633a7c4 | 2169 | FREETMPS; |
14dd3ad8 | 2170 | JMPENV_POP; |
cc3604b1 | 2171 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2172 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2173 | my_exit_jump(); |
4633a7c4 | 2174 | /* NOTREACHED */ |
6224f72b | 2175 | case 3: |
3280af22 | 2176 | if (PL_restartop) { |
533c011a | 2177 | PL_op = PL_restartop; |
3280af22 | 2178 | PL_restartop = 0; |
312caa8e | 2179 | goto redo_body; |
4633a7c4 | 2180 | } |
3280af22 | 2181 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2182 | if (flags & G_ARRAY) |
2183 | retval = 0; | |
2184 | else { | |
2185 | retval = 1; | |
3280af22 | 2186 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2187 | } |
312caa8e | 2188 | break; |
4633a7c4 LW |
2189 | } |
2190 | ||
14dd3ad8 | 2191 | JMPENV_POP; |
4633a7c4 | 2192 | if (flags & G_DISCARD) { |
3280af22 | 2193 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2194 | retval = 0; |
2195 | FREETMPS; | |
2196 | LEAVE; | |
2197 | } | |
533c011a | 2198 | PL_op = oldop; |
4633a7c4 LW |
2199 | return retval; |
2200 | } | |
2201 | ||
954c1994 GS |
2202 | /* |
2203 | =for apidoc p||eval_pv | |
2204 | ||
2205 | Tells Perl to C<eval> the given string and return an SV* result. | |
2206 | ||
2207 | =cut | |
2208 | */ | |
2209 | ||
137443ea | 2210 | SV* |
864dbfa3 | 2211 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2212 | { |
2213 | dSP; | |
2214 | SV* sv = newSVpv(p, 0); | |
2215 | ||
864dbfa3 | 2216 | eval_sv(sv, G_SCALAR); |
137443ea | 2217 | SvREFCNT_dec(sv); |
2218 | ||
2219 | SPAGAIN; | |
2220 | sv = POPs; | |
2221 | PUTBACK; | |
2222 | ||
2d8e6c8d GS |
2223 | if (croak_on_error && SvTRUE(ERRSV)) { |
2224 | STRLEN n_a; | |
cea2e8a9 | 2225 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 2226 | } |
137443ea | 2227 | |
2228 | return sv; | |
2229 | } | |
2230 | ||
4633a7c4 LW |
2231 | /* Require a module. */ |
2232 | ||
954c1994 | 2233 | /* |
ccfc67b7 JH |
2234 | =head1 Embedding Functions |
2235 | ||
954c1994 GS |
2236 | =for apidoc p||require_pv |
2237 | ||
7d3fb230 BS |
2238 | Tells Perl to C<require> the file named by the string argument. It is |
2239 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2240 | implemented that way; consider using load_module instead. |
954c1994 | 2241 | |
7d3fb230 | 2242 | =cut */ |
954c1994 | 2243 | |
4633a7c4 | 2244 | void |
864dbfa3 | 2245 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2246 | { |
d3acc0f7 JP |
2247 | SV* sv; |
2248 | dSP; | |
e788e7d3 | 2249 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
2250 | PUTBACK; |
2251 | sv = sv_newmortal(); | |
4633a7c4 LW |
2252 | sv_setpv(sv, "require '"); |
2253 | sv_catpv(sv, pv); | |
2254 | sv_catpv(sv, "'"); | |
864dbfa3 | 2255 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
2256 | SPAGAIN; |
2257 | POPSTACK; | |
79072805 LW |
2258 | } |
2259 | ||
79072805 | 2260 | void |
864dbfa3 | 2261 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
2262 | { |
2263 | register GV *gv; | |
2264 | ||
155aba94 | 2265 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
14befaf4 | 2266 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2267 | } |
2268 | ||
76e3520e | 2269 | STATIC void |
cea2e8a9 | 2270 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2271 | { |
ab821d7f | 2272 | /* This message really ought to be max 23 lines. |
75c72d73 | 2273 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2274 | |
76e3520e | 2275 | static char *usage_msg[] = { |
fb73857a | 2276 | "-0[octal] specify record separator (\\0, if no argument)", |
2277 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
fb3560ee | 2278 | "-C[number/list] enables the listed Unicode features", |
1950ee41 | 2279 | "-c check syntax only (runs BEGIN and CHECK blocks)", |
aac3bd0d GS |
2280 | "-d[:debugger] run program under debugger", |
2281 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
90490ea3 | 2282 | "-e program one line of program (several -e's allowed, omit programfile)", |
aac3bd0d GS |
2283 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", |
2284 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2285 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 2286 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
2287 | "-[mM][-]module execute `use/no module...' before executing program", |
2288 | "-n assume 'while (<>) { ... }' loop around program", | |
2289 | "-p assume loop like -n but print line also, like sed", | |
2290 | "-P run program through C preprocessor before compilation", | |
2291 | "-s enable rudimentary parsing for switches after programfile", | |
2292 | "-S look for programfile using PATH environment variable", | |
9cbc33e8 | 2293 | "-t enable tainting warnings", |
90490ea3 | 2294 | "-T enable tainting checks", |
aac3bd0d | 2295 | "-u dump core after parsing program", |
fb73857a | 2296 | "-U allow unsafe operations", |
aac3bd0d GS |
2297 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
2298 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2299 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 | 2300 | "-W enable all warnings", |
fb73857a | 2301 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
90490ea3 | 2302 | "-X disable all warnings", |
fb73857a | 2303 | "\n", |
2304 | NULL | |
2305 | }; | |
76e3520e | 2306 | char **p = usage_msg; |
fb73857a | 2307 | |
b0e47665 GS |
2308 | PerlIO_printf(PerlIO_stdout(), |
2309 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2310 | name); | |
fb73857a | 2311 | while (*p) |
b0e47665 | 2312 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2313 | } |
2314 | ||
b4ab917c DM |
2315 | /* convert a string of -D options (or digits) into an int. |
2316 | * sets *s to point to the char after the options */ | |
2317 | ||
2318 | #ifdef DEBUGGING | |
2319 | int | |
2320 | Perl_get_debug_opts(pTHX_ char **s) | |
2321 | { | |
2322 | int i = 0; | |
2323 | if (isALPHA(**s)) { | |
2324 | /* if adding extra options, remember to update DEBUG_MASK */ | |
ecae49c0 | 2325 | static char debopts[] = "psltocPmfrxu HXDSTRJvCAq"; |
b4ab917c DM |
2326 | |
2327 | for (; isALNUM(**s); (*s)++) { | |
2328 | char *d = strchr(debopts,**s); | |
2329 | if (d) | |
2330 | i |= 1 << (d - debopts); | |
2331 | else if (ckWARN_d(WARN_DEBUGGING)) | |
2332 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2333 | "invalid option -D%c\n", **s); | |
2334 | } | |
2335 | } | |
2336 | else { | |
2337 | i = atoi(*s); | |
2338 | for (; isALNUM(**s); (*s)++) ; | |
2339 | } | |
2340 | # ifdef EBCDIC | |
2341 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2342 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2343 | "-Dp not implemented on this platform\n"); | |
2344 | # endif | |
2345 | return i; | |
2346 | } | |
2347 | #endif | |
2348 | ||
79072805 LW |
2349 | /* This routine handles any switches that can be given during run */ |
2350 | ||
2351 | char * | |
864dbfa3 | 2352 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2353 | { |
ba210ebe | 2354 | STRLEN numlen; |
84c133a0 | 2355 | UV rschar; |
79072805 LW |
2356 | |
2357 | switch (*s) { | |
2358 | case '0': | |
a863c7d1 | 2359 | { |
f2095865 JH |
2360 | I32 flags = 0; |
2361 | ||
2362 | SvREFCNT_dec(PL_rs); | |
2363 | if (s[1] == 'x' && s[2]) { | |
2364 | char *e; | |
2365 | U8 *tmps; | |
2366 | ||
2367 | for (s += 2, e = s; *e; e++); | |
2368 | numlen = e - s; | |
2369 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2370 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2371 | if (s + numlen < e) { | |
2372 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2373 | numlen = 0; | |
2374 | s--; | |
2375 | } | |
2376 | PL_rs = newSVpvn("", 0); | |
c5661c80 | 2377 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2378 | tmps = (U8*)SvPVX(PL_rs); |
2379 | uvchr_to_utf8(tmps, rschar); | |
2380 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
2381 | SvUTF8_on(PL_rs); | |
2382 | } | |
2383 | else { | |
2384 | numlen = 4; | |
2385 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
2386 | if (rschar & ~((U8)~0)) | |
2387 | PL_rs = &PL_sv_undef; | |
2388 | else if (!rschar && numlen >= 2) | |
2389 | PL_rs = newSVpvn("", 0); | |
2390 | else { | |
2391 | char ch = (char)rschar; | |
2392 | PL_rs = newSVpvn(&ch, 1); | |
2393 | } | |
2394 | } | |
2395 | return s + numlen; | |
a863c7d1 | 2396 | } |
46487f74 | 2397 | case 'C': |
a05d7ebb JH |
2398 | s++; |
2399 | PL_unicode = parse_unicode_opts(&s); | |
46487f74 | 2400 | return s; |
2304df62 | 2401 | case 'F': |
3280af22 | 2402 | PL_minus_F = TRUE; |
ebce5377 RGS |
2403 | PL_splitstr = ++s; |
2404 | while (*s && !isSPACE(*s)) ++s; | |
2405 | *s = '\0'; | |
2406 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2407 | return s; |
79072805 | 2408 | case 'a': |
3280af22 | 2409 | PL_minus_a = TRUE; |
79072805 LW |
2410 | s++; |
2411 | return s; | |
2412 | case 'c': | |
3280af22 | 2413 | PL_minus_c = TRUE; |
79072805 LW |
2414 | s++; |
2415 | return s; | |
2416 | case 'd': | |
bbce6d69 | 2417 | forbid_setid("-d"); |
4633a7c4 | 2418 | s++; |
70c94a19 RR |
2419 | /* The following permits -d:Mod to accepts arguments following an = |
2420 | in the fashion that -MSome::Mod does. */ | |
2421 | if (*s == ':' || *s == '=') { | |
2422 | char *start; | |
2423 | SV *sv; | |
2424 | sv = newSVpv("use Devel::", 0); | |
2425 | start = ++s; | |
2426 | /* We now allow -d:Module=Foo,Bar */ | |
2427 | while(isALNUM(*s) || *s==':') ++s; | |
2428 | if (*s != '=') | |
2429 | sv_catpv(sv, start); | |
2430 | else { | |
2431 | sv_catpvn(sv, start, s-start); | |
2432 | sv_catpv(sv, " split(/,/,q{"); | |
2433 | sv_catpv(sv, ++s); | |
3d27e215 | 2434 | sv_catpv(sv, "})"); |
70c94a19 | 2435 | } |
4633a7c4 | 2436 | s += strlen(s); |
70c94a19 | 2437 | my_setenv("PERL5DB", SvPV(sv, PL_na)); |
4633a7c4 | 2438 | } |
ed094faf | 2439 | if (!PL_perldb) { |
3280af22 | 2440 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2441 | init_debugger(); |
ed094faf | 2442 | } |
79072805 LW |
2443 | return s; |
2444 | case 'D': | |
0453d815 | 2445 | { |
79072805 | 2446 | #ifdef DEBUGGING |
bbce6d69 | 2447 | forbid_setid("-D"); |
b4ab917c DM |
2448 | s++; |
2449 | PL_debug = get_debug_opts(&s) | DEBUG_TOP_FLAG; | |
12a43e32 | 2450 | #else /* !DEBUGGING */ |
0453d815 | 2451 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 2452 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
0453d815 | 2453 | "Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e | 2454 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
2455 | #endif |
2456 | /*SUPPRESS 530*/ | |
2457 | return s; | |
0453d815 | 2458 | } |
4633a7c4 | 2459 | case 'h': |
ac27b0f5 | 2460 | usage(PL_origargv[0]); |
7ca617d0 | 2461 | my_exit(0); |
79072805 | 2462 | case 'i': |
3280af22 NIS |
2463 | if (PL_inplace) |
2464 | Safefree(PL_inplace); | |
c030f24b GH |
2465 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
2466 | if (*(s+1) == '\0') { | |
2467 | PL_inplace = savepv(".bak"); | |
2468 | return s+1; | |
2469 | } | |
2470 | #endif /* __CYGWIN__ */ | |
3280af22 | 2471 | PL_inplace = savepv(s+1); |
79072805 | 2472 | /*SUPPRESS 530*/ |
3280af22 | 2473 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2474 | if (*s) { |
fb73857a | 2475 | *s++ = '\0'; |
7b8d334a GS |
2476 | if (*s == '-') /* Additional switches on #! line. */ |
2477 | s++; | |
2478 | } | |
fb73857a | 2479 | return s; |
4e49a025 | 2480 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 2481 | forbid_setid("-I"); |
fb73857a | 2482 | ++s; |
2483 | while (*s && isSPACE(*s)) | |
2484 | ++s; | |
2485 | if (*s) { | |
774d564b | 2486 | char *e, *p; |
0df16ed7 GS |
2487 | p = s; |
2488 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2489 | do { | |
2490 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2491 | p = e; | |
2492 | while (isSPACE(*p)) | |
2493 | p++; | |
2494 | } while (*p && *p != '-'); | |
2495 | e = savepvn(s, e-s); | |
574c798a | 2496 | incpush(e, TRUE, TRUE, FALSE); |
0df16ed7 GS |
2497 | Safefree(e); |
2498 | s = p; | |
2499 | if (*s == '-') | |
2500 | s++; | |
79072805 LW |
2501 | } |
2502 | else | |
a67e862a | 2503 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2504 | return s; |
79072805 | 2505 | case 'l': |
3280af22 | 2506 | PL_minus_l = TRUE; |
79072805 | 2507 | s++; |
7889fe52 NIS |
2508 | if (PL_ors_sv) { |
2509 | SvREFCNT_dec(PL_ors_sv); | |
2510 | PL_ors_sv = Nullsv; | |
2511 | } | |
79072805 | 2512 | if (isDIGIT(*s)) { |
53305cf1 | 2513 | I32 flags = 0; |
7889fe52 | 2514 | PL_ors_sv = newSVpvn("\n",1); |
53305cf1 NC |
2515 | numlen = 3 + (*s == '0'); |
2516 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
2517 | s += numlen; |
2518 | } | |
2519 | else { | |
8bfdd7d9 | 2520 | if (RsPARA(PL_rs)) { |
7889fe52 NIS |
2521 | PL_ors_sv = newSVpvn("\n\n",2); |
2522 | } | |
2523 | else { | |
8bfdd7d9 | 2524 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 2525 | } |
79072805 LW |
2526 | } |
2527 | return s; | |
06492da6 SF |
2528 | case 'A': |
2529 | forbid_setid("-A"); | |
930366bd RGS |
2530 | if (!PL_preambleav) |
2531 | PL_preambleav = newAV(); | |
06492da6 | 2532 | if (*++s) { |
3d27e215 LM |
2533 | SV *sv = newSVpv("use assertions::activate split(/,/,q", 0); |
2534 | sv_catpvn(sv, "\0", 1); /* Use NUL as q//-delimiter. */ | |
06492da6 | 2535 | sv_catpv(sv,s); |
3d27e215 | 2536 | sv_catpvn(sv, "\0)", 2); |
06492da6 | 2537 | s+=strlen(s); |
06492da6 SF |
2538 | av_push(PL_preambleav, sv); |
2539 | } | |
2540 | else | |
930366bd | 2541 | av_push(PL_preambleav, newSVpvn("use assertions::activate",24)); |
06492da6 | 2542 | return s; |
1a30305b | 2543 | case 'M': |
bbce6d69 | 2544 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2545 | /* FALL THROUGH */ |
2546 | case 'm': | |
bbce6d69 | 2547 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2548 | if (*++s) { |
a5f75d66 | 2549 | char *start; |
11343788 | 2550 | SV *sv; |
a5f75d66 AD |
2551 | char *use = "use "; |
2552 | /* -M-foo == 'no foo' */ | |
2553 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2554 | sv = newSVpv(use,0); |
a5f75d66 | 2555 | start = s; |
1a30305b | 2556 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2557 | while(isALNUM(*s) || *s==':') ++s; |
2558 | if (*s != '=') { | |
11343788 | 2559 | sv_catpv(sv, start); |
c07a80fd | 2560 | if (*(start-1) == 'm') { |
2561 | if (*s != '\0') | |
cea2e8a9 | 2562 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2563 | sv_catpv( sv, " ()"); |
c07a80fd | 2564 | } |
2565 | } else { | |
6df41af2 | 2566 | if (s == start) |
be98fb35 GS |
2567 | Perl_croak(aTHX_ "Module name required with -%c option", |
2568 | s[-1]); | |
11343788 | 2569 | sv_catpvn(sv, start, s-start); |
3d27e215 LM |
2570 | sv_catpv(sv, " split(/,/,q"); |
2571 | sv_catpvn(sv, "\0)", 1); /* Use NUL as q//-delimiter. */ | |
11343788 | 2572 | sv_catpv(sv, ++s); |
3d27e215 | 2573 | sv_catpvn(sv, "\0)", 2); |
c07a80fd | 2574 | } |
1a30305b | 2575 | s += strlen(s); |
5c831c24 | 2576 | if (!PL_preambleav) |
3280af22 NIS |
2577 | PL_preambleav = newAV(); |
2578 | av_push(PL_preambleav, sv); | |
1a30305b | 2579 | } |
2580 | else | |
cea2e8a9 | 2581 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2582 | return s; |
79072805 | 2583 | case 'n': |
3280af22 | 2584 | PL_minus_n = TRUE; |
79072805 LW |
2585 | s++; |
2586 | return s; | |
2587 | case 'p': | |
3280af22 | 2588 | PL_minus_p = TRUE; |
79072805 LW |
2589 | s++; |
2590 | return s; | |
2591 | case 's': | |
bbce6d69 | 2592 | forbid_setid("-s"); |
3280af22 | 2593 | PL_doswitches = TRUE; |
79072805 LW |
2594 | s++; |
2595 | return s; | |
6537fe72 MS |
2596 | case 't': |
2597 | if (!PL_tainting) | |
22f7c9c9 | 2598 | TOO_LATE_FOR('t'); |
6537fe72 MS |
2599 | s++; |
2600 | return s; | |
463ee0b2 | 2601 | case 'T': |
3280af22 | 2602 | if (!PL_tainting) |
22f7c9c9 | 2603 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
2604 | s++; |
2605 | return s; | |
79072805 | 2606 | case 'u': |
bf4acbe4 GS |
2607 | #ifdef MACOS_TRADITIONAL |
2608 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
2609 | #endif | |
3280af22 | 2610 | PL_do_undump = TRUE; |
79072805 LW |
2611 | s++; |
2612 | return s; | |
2613 | case 'U': | |
3280af22 | 2614 | PL_unsafe = TRUE; |
79072805 LW |
2615 | s++; |
2616 | return s; | |
2617 | case 'v': | |
8e9464f1 | 2618 | #if !defined(DGUX) |
b0e47665 | 2619 | PerlIO_printf(PerlIO_stdout(), |
d2560b70 | 2620 | Perl_form(aTHX_ "\nThis is perl, v%"VDf" built for %s", |
b0e47665 | 2621 | PL_patchlevel, ARCHNAME)); |
8e9464f1 JH |
2622 | #else /* DGUX */ |
2623 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
2624 | PerlIO_printf(PerlIO_stdout(), | |
2625 | Perl_form(aTHX_ "\nThis is perl, version %vd\n", PL_patchlevel)); | |
2626 | PerlIO_printf(PerlIO_stdout(), | |
2627 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
2628 | OSNAME, __DATE__, __TIME__)); | |
2629 | PerlIO_printf(PerlIO_stdout(), | |
2630 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 2631 | OSVERS)); |
8e9464f1 JH |
2632 | #endif /* !DGUX */ |
2633 | ||
fb73857a | 2634 | #if defined(LOCAL_PATCH_COUNT) |
2635 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
2636 | PerlIO_printf(PerlIO_stdout(), |
2637 | "\n(with %d registered patch%s, " | |
2638 | "see perl -V for more detail)", | |
2639 | (int)LOCAL_PATCH_COUNT, | |
2640 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 2641 | #endif |
1a30305b | 2642 | |
b0e47665 | 2643 | PerlIO_printf(PerlIO_stdout(), |
4c79ee7a | 2644 | "\n\nCopyright 1987-2003, Larry Wall\n"); |
eae9c151 JH |
2645 | #ifdef MACOS_TRADITIONAL |
2646 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 2647 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 2648 | "maintained by Chris Nandor\n"); |
eae9c151 | 2649 | #endif |
79072805 | 2650 | #ifdef MSDOS |
b0e47665 GS |
2651 | PerlIO_printf(PerlIO_stdout(), |
2652 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 2653 | #endif |
2654 | #ifdef DJGPP | |
b0e47665 GS |
2655 | PerlIO_printf(PerlIO_stdout(), |
2656 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
2657 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 2658 | #endif |
79072805 | 2659 | #ifdef OS2 |
b0e47665 GS |
2660 | PerlIO_printf(PerlIO_stdout(), |
2661 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 2662 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2663 | #endif |
79072805 | 2664 | #ifdef atarist |
b0e47665 GS |
2665 | PerlIO_printf(PerlIO_stdout(), |
2666 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 2667 | #endif |
a3f9223b | 2668 | #ifdef __BEOS__ |
b0e47665 GS |
2669 | PerlIO_printf(PerlIO_stdout(), |
2670 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 2671 | #endif |
1d84e8df | 2672 | #ifdef MPE |
b0e47665 | 2673 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 2674 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 2675 | #endif |
9d116dd7 | 2676 | #ifdef OEMVS |
b0e47665 GS |
2677 | PerlIO_printf(PerlIO_stdout(), |
2678 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 2679 | #endif |
495c5fdc | 2680 | #ifdef __VOS__ |
b0e47665 | 2681 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 2682 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 2683 | #endif |
092bebab | 2684 | #ifdef __OPEN_VM |
b0e47665 GS |
2685 | PerlIO_printf(PerlIO_stdout(), |
2686 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 2687 | #endif |
a1a0e61e | 2688 | #ifdef POSIX_BC |
b0e47665 GS |
2689 | PerlIO_printf(PerlIO_stdout(), |
2690 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 2691 | #endif |
61ae2fbf | 2692 | #ifdef __MINT__ |
b0e47665 GS |
2693 | PerlIO_printf(PerlIO_stdout(), |
2694 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 2695 | #endif |
f83d2536 | 2696 | #ifdef EPOC |
b0e47665 | 2697 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2698 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 2699 | #endif |
e1caacb4 | 2700 | #ifdef UNDER_CE |
b475b3e6 JH |
2701 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
2702 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
2703 | wce_hitreturn(); |
2704 | #endif | |
baed7233 DL |
2705 | #ifdef BINARY_BUILD_NOTICE |
2706 | BINARY_BUILD_NOTICE; | |
2707 | #endif | |
b0e47665 GS |
2708 | PerlIO_printf(PerlIO_stdout(), |
2709 | "\n\ | |
79072805 | 2710 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 2711 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 GS |
2712 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
2713 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2714 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
7ca617d0 | 2715 | my_exit(0); |
79072805 | 2716 | case 'w': |
599cee73 | 2717 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 2718 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
2719 | s++; |
2720 | return s; | |
2721 | case 'W': | |
ac27b0f5 | 2722 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
2723 | if (!specialWARN(PL_compiling.cop_warnings)) |
2724 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2725 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
2726 | s++; |
2727 | return s; | |
2728 | case 'X': | |
ac27b0f5 | 2729 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
2730 | if (!specialWARN(PL_compiling.cop_warnings)) |
2731 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2732 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
2733 | s++; |
2734 | return s; | |
a0d0e21e | 2735 | case '*': |
79072805 LW |
2736 | case ' ': |
2737 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2738 | return s+2; | |
2739 | break; | |
a0d0e21e | 2740 | case '-': |
79072805 | 2741 | case 0: |
51882d45 | 2742 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2743 | case '\r': |
2744 | #endif | |
79072805 LW |
2745 | case '\n': |
2746 | case '\t': | |
2747 | break; | |
aa689395 | 2748 | #ifdef ALTERNATE_SHEBANG |
2749 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2750 | break; | |
2751 | #endif | |
a0d0e21e | 2752 | case 'P': |
3280af22 | 2753 | if (PL_preprocess) |
a0d0e21e LW |
2754 | return s+1; |
2755 | /* FALL THROUGH */ | |
79072805 | 2756 | default: |
cea2e8a9 | 2757 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2758 | } |
2759 | return Nullch; | |
2760 | } | |
2761 | ||
2762 | /* compliments of Tom Christiansen */ | |
2763 | ||
2764 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2765 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2766 | |
2767 | void | |
864dbfa3 | 2768 | Perl_my_unexec(pTHX) |
79072805 LW |
2769 | { |
2770 | #ifdef UNEXEC | |
46fc3d4c | 2771 | SV* prog; |
2772 | SV* file; | |
ee580363 | 2773 | int status = 1; |
79072805 LW |
2774 | extern int etext; |
2775 | ||
ee580363 | 2776 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2777 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2778 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2779 | sv_catpv(file, ".perldump"); |
79072805 | 2780 | |
ee580363 GS |
2781 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2782 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2783 | PerlProc_exit(status); |
79072805 | 2784 | #else |
a5f75d66 AD |
2785 | # ifdef VMS |
2786 | # include <lib$routines.h> | |
2787 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2788 | # else |
79072805 | 2789 | ABORT(); /* for use with undump */ |
aa689395 | 2790 | # endif |
a5f75d66 | 2791 | #endif |
79072805 LW |
2792 | } |
2793 | ||
cb68f92d GS |
2794 | /* initialize curinterp */ |
2795 | STATIC void | |
cea2e8a9 | 2796 | S_init_interp(pTHX) |
cb68f92d GS |
2797 | { |
2798 | ||
acfe0abc GS |
2799 | #ifdef MULTIPLICITY |
2800 | # define PERLVAR(var,type) | |
2801 | # define PERLVARA(var,n,type) | |
2802 | # if defined(PERL_IMPLICIT_CONTEXT) | |
2803 | # if defined(USE_5005THREADS) | |
2804 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
c5be433b | 2805 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
2806 | # else /* !USE_5005THREADS */ |
2807 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2808 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2809 | # endif /* USE_5005THREADS */ | |
3967c732 | 2810 | # else |
acfe0abc GS |
2811 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2812 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 2813 | # endif |
acfe0abc GS |
2814 | # include "intrpvar.h" |
2815 | # ifndef USE_5005THREADS | |
2816 | # include "thrdvar.h" | |
2817 | # endif | |
2818 | # undef PERLVAR | |
2819 | # undef PERLVARA | |
2820 | # undef PERLVARI | |
2821 | # undef PERLVARIC | |
2822 | #else | |
2823 | # define PERLVAR(var,type) | |
2824 | # define PERLVARA(var,n,type) | |
2825 | # define PERLVARI(var,type,init) PL_##var = init; | |
2826 | # define PERLVARIC(var,type,init) PL_##var = init; | |
2827 | # include "intrpvar.h" | |
2828 | # ifndef USE_5005THREADS | |
2829 | # include "thrdvar.h" | |
2830 | # endif | |
2831 | # undef PERLVAR | |
2832 | # undef PERLVARA | |
2833 | # undef PERLVARI | |
2834 | # undef PERLVARIC | |
cb68f92d GS |
2835 | #endif |
2836 | ||
cb68f92d GS |
2837 | } |
2838 | ||
76e3520e | 2839 | STATIC void |
cea2e8a9 | 2840 | S_init_main_stash(pTHX) |
79072805 | 2841 | { |
463ee0b2 | 2842 | GV *gv; |
6e72f9df | 2843 | |
3280af22 | 2844 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2845 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2846 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2847 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2848 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2849 | SvREADONLY_on(gv); |
3280af22 NIS |
2850 | HvNAME(PL_defstash) = savepv("main"); |
2851 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2852 | GvMULTI_on(PL_incgv); | |
2853 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2854 | GvMULTI_on(PL_hintgv); | |
2855 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2856 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2857 | GvMULTI_on(PL_errgv); | |
2858 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2859 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2860 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2861 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2862 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2863 | PL_curstash = PL_defstash; |
11faa288 | 2864 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2865 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2866 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2867 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2868 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2869 | } |
2870 | ||
76e3520e | 2871 | STATIC void |
cea2e8a9 | 2872 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2873 | { |
1b24ed4b MS |
2874 | char *quote; |
2875 | char *code; | |
2876 | char *cpp_discard_flag; | |
2877 | char *perl; | |
2878 | ||
6c4ab083 | 2879 | *fdscript = -1; |
79072805 | 2880 | |
3280af22 NIS |
2881 | if (PL_e_script) { |
2882 | PL_origfilename = savepv("-e"); | |
96436eeb | 2883 | } |
6c4ab083 GS |
2884 | else { |
2885 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2886 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2887 | |
2888 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2889 | char *s = scriptname + 8; | |
2890 | *fdscript = atoi(s); | |
2891 | while (isDIGIT(*s)) | |
2892 | s++; | |
2893 | if (*s) { | |
2894 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2895 | Safefree(PL_origfilename); |
2896 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2897 | } |
2898 | } | |
2899 | } | |
2900 | ||
05ec9bb3 | 2901 | CopFILE_free(PL_curcop); |
57843af0 | 2902 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2903 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2904 | scriptname = ""; |
01f988be | 2905 | if (*fdscript >= 0) { |
3280af22 | 2906 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2907 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2908 | if (PL_rsfp) | |
2909 | /* ensure close-on-exec */ | |
2910 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2911 | # endif | |
96436eeb | 2912 | } |
3280af22 | 2913 | else if (PL_preprocess) { |
46fc3d4c | 2914 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2915 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2916 | SV *cmd = NEWSV(0,0); |
2917 | ||
ae58f265 JH |
2918 | if (cpp_cfg[0] == 0) /* PERL_MICRO? */ |
2919 | Perl_croak(aTHX_ "Can't run with cpp -P with CPPSTDIN undefined"); | |
46fc3d4c | 2920 | if (strEQ(cpp_cfg, "cppstdin")) |
cea2e8a9 | 2921 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2922 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2923 | |
1b24ed4b MS |
2924 | # ifndef VMS |
2925 | sv_catpvn(sv, "-I", 2); | |
2926 | sv_catpv(sv,PRIVLIB_EXP); | |
2927 | # endif | |
46fc3d4c | 2928 | |
14953ddc MB |
2929 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2930 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
2931 | scriptname, SvPVX (cpp), SvPVX (sv), CPPMINUS)); | |
1b24ed4b MS |
2932 | |
2933 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
2934 | quote = "\""; | |
2935 | # else | |
2936 | quote = "'"; | |
2937 | # endif | |
2938 | ||
2939 | # ifdef VMS | |
2940 | cpp_discard_flag = ""; | |
2941 | # else | |
2942 | cpp_discard_flag = "-C"; | |
2943 | # endif | |
2944 | ||
2945 | # ifdef OS2 | |
2946 | perl = os2_execname(aTHX); | |
2947 | # else | |
2948 | perl = PL_origargv[0]; | |
2949 | # endif | |
2950 | ||
2951 | ||
2952 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
2953 | the C pre-processor, including #!. #line directives are |
2954 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
2955 | of #line. FWP played some golf with it so it will fit |
2956 | into VMS's 255 character buffer. | |
2957 | */ | |
2958 | if( PL_doextract ) | |
2959 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2960 | else | |
2961 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2962 | ||
2963 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
2964 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
62375a60 | 2965 | perl, quote, code, quote, scriptname, cpp, |
1b24ed4b MS |
2966 | cpp_discard_flag, sv, CPPMINUS); |
2967 | ||
3280af22 | 2968 | PL_doextract = FALSE; |
1b24ed4b MS |
2969 | # ifdef IAMSUID /* actually, this is caught earlier */ |
2970 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ | |
2971 | # ifdef HAS_SETEUID | |
2972 | (void)seteuid(PL_uid); /* musn't stay setuid root */ | |
2973 | # else | |
2974 | # ifdef HAS_SETREUID | |
2975 | (void)setreuid((Uid_t)-1, PL_uid); | |
2976 | # else | |
2977 | # ifdef HAS_SETRESUID | |
2978 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); | |
2979 | # else | |
2980 | PerlProc_setuid(PL_uid); | |
2981 | # endif | |
2982 | # endif | |
2983 | # endif | |
b28d0864 | 2984 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2985 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 | 2986 | } |
1b24ed4b | 2987 | # endif /* IAMSUID */ |
0a6c758d | 2988 | |
62375a60 NIS |
2989 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2990 | "PL_preprocess: cmd=\"%s\"\n", | |
0a6c758d MS |
2991 | SvPVX(cmd))); |
2992 | ||
3280af22 | 2993 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2994 | SvREFCNT_dec(cmd); |
2995 | SvREFCNT_dec(cpp); | |
79072805 LW |
2996 | } |
2997 | else if (!*scriptname) { | |
bbce6d69 | 2998 | forbid_setid("program input from stdin"); |
3280af22 | 2999 | PL_rsfp = PerlIO_stdin(); |
79072805 | 3000 | } |
96436eeb | 3001 | else { |
3280af22 | 3002 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
3003 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
3004 | if (PL_rsfp) | |
3005 | /* ensure close-on-exec */ | |
3006 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
3007 | # endif | |
96436eeb | 3008 | } |
3280af22 | 3009 | if (!PL_rsfp) { |
1b24ed4b MS |
3010 | # ifdef DOSUID |
3011 | # ifndef IAMSUID /* in case script is not readable before setuid */ | |
3012 | if (PL_euid && | |
3013 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && | |
3014 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
3015 | { | |
3016 | /* try again */ | |
b35112e7 | 3017 | PERL_FPU_PRE_EXEC |
62375a60 NIS |
3018 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, |
3019 | BIN_EXP, (int)PERL_REVISION, | |
1b24ed4b MS |
3020 | (int)PERL_VERSION, |
3021 | (int)PERL_SUBVERSION), PL_origargv); | |
b35112e7 | 3022 | PERL_FPU_POST_EXEC |
1b24ed4b MS |
3023 | Perl_croak(aTHX_ "Can't do setuid\n"); |
3024 | } | |
3025 | # endif | |
3026 | # endif | |
3027 | # ifdef IAMSUID | |
3028 | errno = EPERM; | |
2b8ca739 | 3029 | Perl_croak(aTHX_ "Permission denied\n"); |
1b24ed4b MS |
3030 | # else |
3031 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3032 | CopFILE(PL_curcop), Strerror(errno)); | |
3033 | # endif | |
13281fa4 | 3034 | } |
79072805 | 3035 | } |
8d063cd8 | 3036 | |
7b89560d JH |
3037 | /* Mention |
3038 | * I_SYSSTATVFS HAS_FSTATVFS | |
3039 | * I_SYSMOUNT | |
c890dc6c | 3040 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3041 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3042 | * here so that metaconfig picks them up. */ | |
3043 | ||
104d25b7 | 3044 | #ifdef IAMSUID |
864dbfa3 | 3045 | STATIC int |
e688b231 | 3046 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 3047 | { |
0545a864 JH |
3048 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
3049 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 3050 | /* |
ad27e871 | 3051 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 3052 | * fstatvfs() is UNIX98. |
0545a864 | 3053 | * fstatfs() is 4.3 BSD. |
ad27e871 | 3054 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
3055 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
3056 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
3057 | */ |
3058 | ||
6439433f JH |
3059 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
3060 | ||
3061 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3062 | defined(HAS_FSTATVFS) | |
3063 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 3064 | struct statvfs stfs; |
6439433f | 3065 | |
104d25b7 JH |
3066 | check_okay = fstatvfs(fd, &stfs) == 0; |
3067 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
6439433f | 3068 | # endif /* fstatvfs */ |
ac27b0f5 | 3069 | |
6439433f JH |
3070 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
3071 | defined(PERL_MOUNT_NOSUID) && \ | |
3072 | defined(HAS_FSTATFS) && \ | |
3073 | defined(HAS_STRUCT_STATFS) && \ | |
3074 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
3075 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 3076 | struct statfs stfs; |
6439433f | 3077 | |
104d25b7 | 3078 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 3079 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
6439433f JH |
3080 | # endif /* fstatfs */ |
3081 | ||
3082 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3083 | defined(PERL_MOUNT_NOSUID) && \ | |
3084 | defined(HAS_FSTAT) && \ | |
3085 | defined(HAS_USTAT) && \ | |
3086 | defined(HAS_GETMNT) && \ | |
3087 | defined(HAS_STRUCT_FS_DATA) && \ | |
3088 | defined(NOSTAT_ONE) | |
3089 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 3090 | Stat_t fdst; |
6439433f | 3091 | |
0545a864 | 3092 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
3093 | struct ustat us; |
3094 | if (ustat(fdst.st_dev, &us) == 0) { | |
3095 | struct fs_data fsd; | |
3096 | /* NOSTAT_ONE here because we're not examining fields which | |
3097 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 3098 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
3099 | size_t cmplen = sizeof(us.f_fname); |
3100 | if (sizeof(fsd.fd_req.path) < cmplen) | |
3101 | cmplen = sizeof(fsd.fd_req.path); | |
3102 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
3103 | fdst.st_dev == fsd.fd_req.dev) { | |
3104 | check_okay = 1; | |
3105 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
3106 | } | |
3107 | } | |
3108 | } | |
3109 | } | |
0545a864 | 3110 | } |
6439433f JH |
3111 | # endif /* fstat+ustat+getmnt */ |
3112 | ||
3113 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3114 | defined(HAS_GETMNTENT) && \ | |
3115 | defined(HAS_HASMNTOPT) && \ | |
3116 | defined(MNTOPT_NOSUID) | |
3117 | # define FD_ON_NOSUID_CHECK_OKAY | |
3118 | FILE *mtab = fopen("/etc/mtab", "r"); | |
3119 | struct mntent *entry; | |
c623ac67 | 3120 | Stat_t stb, fsb; |
104d25b7 JH |
3121 | |
3122 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
3123 | while (entry = getmntent(mtab)) { |
3124 | if (stat(entry->mnt_dir, &fsb) == 0 | |
3125 | && fsb.st_dev == stb.st_dev) | |
3126 | { | |
3127 | /* found the filesystem */ | |
3128 | check_okay = 1; | |
3129 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
3130 | on_nosuid = 1; | |
3131 | break; | |
3132 | } /* A single fs may well fail its stat(). */ | |
3133 | } | |
104d25b7 JH |
3134 | } |
3135 | if (mtab) | |
6439433f JH |
3136 | fclose(mtab); |
3137 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 3138 | |
ac27b0f5 | 3139 | if (!check_okay) |
0545a864 | 3140 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
3141 | return on_nosuid; |
3142 | } | |
3143 | #endif /* IAMSUID */ | |
3144 | ||
76e3520e | 3145 | STATIC void |
cea2e8a9 | 3146 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 3147 | { |
155aba94 | 3148 | #ifdef IAMSUID |
96436eeb | 3149 | int which; |
155aba94 | 3150 | #endif |
96436eeb | 3151 | |
13281fa4 LW |
3152 | /* do we need to emulate setuid on scripts? */ |
3153 | ||
3154 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
3155 | * in the kernel because of a security problem. Merely defining DOSUID | |
3156 | * in perl will not fix that problem, but if you have disabled setuid | |
3157 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
3158 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
3159 | * root version must be called suidperl or sperlN.NNN. If regular perl |
3160 | * discovers that it has opened a setuid script, it calls suidperl with | |
3161 | * the same argv that it had. If suidperl finds that the script it has | |
3162 | * just opened is NOT setuid root, it sets the effective uid back to the | |
3163 | * uid. We don't just make perl setuid root because that loses the | |
3164 | * effective uid we had before invoking perl, if it was different from the | |
3165 | * uid. | |
13281fa4 LW |
3166 | * |
3167 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
3168 | * be defined in suidperl only. suidperl must be setuid root. The | |
3169 | * Configure script will set this up for you if you want it. | |
3170 | */ | |
a687059c | 3171 | |
13281fa4 | 3172 | #ifdef DOSUID |
6e72f9df | 3173 | char *s, *s2; |
a0d0e21e | 3174 | |
b28d0864 | 3175 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 3176 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 3177 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 3178 | I32 len; |
2d8e6c8d | 3179 | STRLEN n_a; |
13281fa4 | 3180 | |
a687059c | 3181 | #ifdef IAMSUID |
fe14fcc3 | 3182 | #ifndef HAS_SETREUID |
a687059c LW |
3183 | /* On this access check to make sure the directories are readable, |
3184 | * there is actually a small window that the user could use to make | |
3185 | * filename point to an accessible directory. So there is a faint | |
3186 | * chance that someone could execute a setuid script down in a | |
3187 | * non-accessible directory. I don't know what to do about that. | |
3188 | * But I don't think it's too important. The manual lies when | |
3189 | * it says access() is useful in setuid programs. | |
3190 | */ | |
e57400b1 BD |
3191 | if (PerlLIO_access(CopFILE(PL_curcop),1)) { /*double check*/ |
3192 | errno = EPERM; | |
3193 | Perl_croak(aTHX_ "Permission denied\n"); | |
3194 | } | |
a687059c LW |
3195 | #else |
3196 | /* If we can swap euid and uid, then we can determine access rights | |
3197 | * with a simple stat of the file, and then compare device and | |
3198 | * inode to make sure we did stat() on the same file we opened. | |
3199 | * Then we just have to make sure he or she can execute it. | |
3200 | */ | |
3201 | { | |
c623ac67 | 3202 | Stat_t tmpstatbuf; |
a687059c | 3203 | |
85e6fe83 LW |
3204 | if ( |
3205 | #ifdef HAS_SETREUID | |
b28d0864 | 3206 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
3207 | #else |
3208 | # if HAS_SETRESUID | |
b28d0864 | 3209 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 3210 | # endif |
85e6fe83 | 3211 | #endif |
b28d0864 | 3212 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3213 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
e57400b1 BD |
3214 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) { |
3215 | errno = EPERM; | |
3216 | Perl_croak(aTHX_ "Permission denied\n"); /* testing full pathname here */ | |
3217 | } | |
2bb3463c | 3218 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e57400b1 BD |
3219 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) { |
3220 | errno = EPERM; | |
3221 | Perl_croak(aTHX_ "Permission denied\n"); | |
3222 | } | |
104d25b7 | 3223 | #endif |
b28d0864 NIS |
3224 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
3225 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
3226 | (void)PerlIO_close(PL_rsfp); | |
e57400b1 | 3227 | errno = EPERM; |
cea2e8a9 | 3228 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3229 | } |
85e6fe83 LW |
3230 | if ( |
3231 | #ifdef HAS_SETREUID | |
b28d0864 | 3232 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
3233 | #else |
3234 | # if defined(HAS_SETRESUID) | |
b28d0864 | 3235 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 3236 | # endif |
85e6fe83 | 3237 | #endif |
b28d0864 | 3238 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 3239 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 3240 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 3241 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 3242 | } |
fe14fcc3 | 3243 | #endif /* HAS_SETREUID */ |
a687059c LW |
3244 | #endif /* IAMSUID */ |
3245 | ||
e57400b1 BD |
3246 | if (!S_ISREG(PL_statbuf.st_mode)) { |
3247 | errno = EPERM; | |
3248 | Perl_croak(aTHX_ "Permission denied\n"); | |
3249 | } | |
b28d0864 | 3250 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 3251 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 3252 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 3253 | CopLINE_inc(PL_curcop); |
6b88bc9c | 3254 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 3255 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 3256 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 3257 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 3258 | if (*s == ' ') s++; |
45d8adaa | 3259 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 3260 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 3261 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
3262 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 3263 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 3264 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
3265 | /* |
3266 | * #! arg must be what we saw above. They can invoke it by | |
3267 | * mentioning suidperl explicitly, but they may not add any strange | |
3268 | * arguments beyond what #! says if they do invoke suidperl that way. | |
3269 | */ | |
3270 | len = strlen(validarg); | |
3271 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 3272 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 3273 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
3274 | |
3275 | #ifndef IAMSUID | |
b28d0864 NIS |
3276 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
3277 | PL_euid == PL_statbuf.st_uid) | |
3278 | if (!PL_do_undump) | |
cea2e8a9 | 3279 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
11fb1898 | 3280 | FIX YOUR KERNEL, OR PUT A C WRAPPER AROUND THIS SCRIPT!\n"); |
a687059c | 3281 | #endif /* IAMSUID */ |
13281fa4 | 3282 | |
b28d0864 NIS |
3283 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
3284 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 3285 | #ifndef IAMSUID |
46fc3d4c | 3286 | /* try again */ |
b35112e7 | 3287 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 3288 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3289 | (int)PERL_REVISION, (int)PERL_VERSION, |
3290 | (int)PERL_SUBVERSION), PL_origargv); | |
b35112e7 | 3291 | PERL_FPU_POST_EXEC |
13281fa4 | 3292 | #endif |
cea2e8a9 | 3293 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
3294 | } |
3295 | ||
b28d0864 | 3296 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 3297 | #ifdef HAS_SETEGID |
b28d0864 | 3298 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 3299 | #else |
fe14fcc3 | 3300 | #ifdef HAS_SETREGID |
b28d0864 | 3301 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
3302 | #else |
3303 | #ifdef HAS_SETRESGID | |
b28d0864 | 3304 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 3305 | #else |
b28d0864 | 3306 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
3307 | #endif |
3308 | #endif | |
85e6fe83 | 3309 | #endif |
b28d0864 | 3310 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 3311 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 3312 | } |
b28d0864 NIS |
3313 | if (PL_statbuf.st_mode & S_ISUID) { |
3314 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 3315 | #ifdef HAS_SETEUID |
b28d0864 | 3316 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 3317 | #else |
fe14fcc3 | 3318 | #ifdef HAS_SETREUID |
b28d0864 | 3319 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
3320 | #else |
3321 | #ifdef HAS_SETRESUID | |
b28d0864 | 3322 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 3323 | #else |
b28d0864 | 3324 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
3325 | #endif |
3326 | #endif | |
85e6fe83 | 3327 | #endif |
b28d0864 | 3328 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 3329 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 3330 | } |
b28d0864 | 3331 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 3332 | #ifdef HAS_SETEUID |
b28d0864 | 3333 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 3334 | #else |
fe14fcc3 | 3335 | #ifdef HAS_SETREUID |
b28d0864 | 3336 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 3337 | #else |
85e6fe83 | 3338 | #ifdef HAS_SETRESUID |
b28d0864 | 3339 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 3340 | #else |
b28d0864 | 3341 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 3342 | #endif |
a687059c LW |
3343 | #endif |
3344 | #endif | |
b28d0864 | 3345 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3346 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 3347 | } |
748a9306 | 3348 | init_ids(); |
b28d0864 | 3349 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 3350 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
3351 | } |
3352 | #ifdef IAMSUID | |
6b88bc9c | 3353 | else if (PL_preprocess) |
cea2e8a9 | 3354 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 3355 | else if (fdscript >= 0) |
cea2e8a9 | 3356 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
e57400b1 BD |
3357 | else { |
3358 | errno = EPERM; | |
2b8ca739 | 3359 | Perl_croak(aTHX_ "Permission denied\n"); |
e57400b1 | 3360 | } |
96436eeb | 3361 | |
3362 | /* We absolutely must clear out any saved ids here, so we */ | |
3363 | /* exec the real perl, substituting fd script for scriptname. */ | |
3364 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
3365 | PerlIO_rewind(PL_rsfp); |
3366 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c | 3367 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
e57400b1 BD |
3368 | if (!PL_origargv[which]) { |
3369 | errno = EPERM; | |
3370 | Perl_croak(aTHX_ "Permission denied\n"); | |
3371 | } | |
cea2e8a9 | 3372 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", |
6b88bc9c | 3373 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 3374 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 3375 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 3376 | #endif |
b35112e7 | 3377 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 3378 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3379 | (int)PERL_REVISION, (int)PERL_VERSION, |
3380 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
b35112e7 | 3381 | PERL_FPU_POST_EXEC |
cea2e8a9 | 3382 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 3383 | #endif /* IAMSUID */ |
a687059c | 3384 | #else /* !DOSUID */ |
3280af22 | 3385 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 3386 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
3387 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
3388 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 3389 | || |
b28d0864 | 3390 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3391 | ) |
b28d0864 | 3392 | if (!PL_do_undump) |
cea2e8a9 | 3393 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3394 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3395 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
3396 | /* not set-id, must be wrapped */ | |
a687059c | 3397 | } |
13281fa4 | 3398 | #endif /* DOSUID */ |
79072805 | 3399 | } |
13281fa4 | 3400 | |
76e3520e | 3401 | STATIC void |
cea2e8a9 | 3402 | S_find_beginning(pTHX) |
79072805 | 3403 | { |
6e72f9df | 3404 | register char *s, *s2; |
e55ac0fa HS |
3405 | #ifdef MACOS_TRADITIONAL |
3406 | int maclines = 0; | |
3407 | #endif | |
33b78306 LW |
3408 | |
3409 | /* skip forward in input to the real script? */ | |
3410 | ||
bbce6d69 | 3411 | forbid_setid("-x"); |
bf4acbe4 | 3412 | #ifdef MACOS_TRADITIONAL |
084592ab | 3413 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 3414 | |
bf4acbe4 GS |
3415 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
3416 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) { | |
3417 | if (!gMacPerl_AlwaysExtract) | |
3418 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 3419 | |
bf4acbe4 GS |
3420 | if (PL_doextract) /* require explicit override ? */ |
3421 | if (!OverrideExtract(PL_origfilename)) | |
3422 | Perl_croak(aTHX_ "User aborted script\n"); | |
3423 | else | |
3424 | PL_doextract = FALSE; | |
e55ac0fa | 3425 | |
bf4acbe4 GS |
3426 | /* Pater peccavi, file does not have #! */ |
3427 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 3428 | |
bf4acbe4 GS |
3429 | break; |
3430 | } | |
3431 | #else | |
3280af22 NIS |
3432 | while (PL_doextract) { |
3433 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 3434 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 3435 | #endif |
4f0c37ba IZ |
3436 | s2 = s; |
3437 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
3438 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
3439 | PL_doextract = FALSE; | |
6e72f9df | 3440 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3441 | s2 = s; | |
3442 | while (*s == ' ' || *s == '\t') s++; | |
3443 | if (*s++ == '-') { | |
3444 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
3445 | if (strnEQ(s2-4,"perl",4)) | |
3446 | /*SUPPRESS 530*/ | |
155aba94 GS |
3447 | while ((s = moreswitches(s))) |
3448 | ; | |
33b78306 | 3449 | } |
95e8664e | 3450 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
3451 | /* We are always searching for the #!perl line in MacPerl, |
3452 | * so if we find it, still keep the line count correct | |
3453 | * by counting lines we already skipped over | |
3454 | */ | |
3455 | for (; maclines > 0 ; maclines--) | |
3456 | PerlIO_ungetc(PL_rsfp, '\n'); | |
3457 | ||
95e8664e | 3458 | break; |
e55ac0fa HS |
3459 | |
3460 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
3461 | } else if (gMacPerl_AlwaysExtract) { | |
3462 | ++maclines; | |
95e8664e | 3463 | #endif |
83025b21 LW |
3464 | } |
3465 | } | |
3466 | } | |
3467 | ||
afe37c7d | 3468 | |
76e3520e | 3469 | STATIC void |
cea2e8a9 | 3470 | S_init_ids(pTHX) |
352d5a3a | 3471 | { |
d8eceb89 JH |
3472 | PL_uid = PerlProc_getuid(); |
3473 | PL_euid = PerlProc_geteuid(); | |
3474 | PL_gid = PerlProc_getgid(); | |
3475 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3476 | #ifdef VMS |
b28d0864 NIS |
3477 | PL_uid |= PL_gid << 16; |
3478 | PL_euid |= PL_egid << 16; | |
748a9306 | 3479 | #endif |
22f7c9c9 JH |
3480 | /* Should not happen: */ |
3481 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 3482 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 3483 | } |
79072805 | 3484 | |
a0643315 JH |
3485 | /* This is used very early in the lifetime of the program, |
3486 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3487 | * not been initialized properly. */ |
af419de7 | 3488 | bool |
22f7c9c9 JH |
3489 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
3490 | { | |
c3446a78 JH |
3491 | #ifndef PERL_IMPLICIT_SYS |
3492 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3493 | * before we have an interpreter-- and the whole point of this | |
3494 | * function is to be called at such an early stage. If you are on | |
3495 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3496 | * "tainted because running with altered effective ids', you'll | |
3497 | * have to add your own checks somewhere in here. The two most | |
3498 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3499 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3500 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3501 | int euid = PerlProc_geteuid(); |
af419de7 | 3502 | int gid = PerlProc_getgid(); |
22f7c9c9 JH |
3503 | int egid = PerlProc_getegid(); |
3504 | ||
3505 | #ifdef VMS | |
af419de7 | 3506 | uid |= gid << 16; |
22f7c9c9 JH |
3507 | euid |= egid << 16; |
3508 | #endif | |
3509 | if (uid && (euid != uid || egid != gid)) | |
3510 | return 1; | |
c3446a78 | 3511 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3512 | /* This is a really primitive check; environment gets ignored only |
3513 | * if -T are the first chars together; otherwise one gets | |
3514 | * "Too late" message. */ | |
22f7c9c9 JH |
3515 | if ( argc > 1 && argv[1][0] == '-' |
3516 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3517 | return 1; | |
3518 | return 0; | |
3519 | } | |
22f7c9c9 | 3520 | |
76e3520e | 3521 | STATIC void |
cea2e8a9 | 3522 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 3523 | { |
3280af22 | 3524 | if (PL_euid != PL_uid) |
cea2e8a9 | 3525 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 3526 | if (PL_egid != PL_gid) |
cea2e8a9 | 3527 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 3528 | } |
3529 | ||
1ee4443e IZ |
3530 | void |
3531 | Perl_init_debugger(pTHX) | |
748a9306 | 3532 | { |
1ee4443e IZ |
3533 | HV *ostash = PL_curstash; |
3534 | ||
3280af22 | 3535 | PL_curstash = PL_debstash; |
7619c85e | 3536 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("DB::args", GV_ADDMULTI, SVt_PVAV)))); |
3280af22 | 3537 | AvREAL_off(PL_dbargs); |
7619c85e RG |
3538 | PL_DBgv = gv_fetchpv("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3539 | PL_DBline = gv_fetchpv("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3540 | PL_DBsub = gv_HVadd(gv_fetchpv("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 3541 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
7619c85e | 3542 | PL_DBsingle = GvSV((gv_fetchpv("DB::single", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3543 | sv_setiv(PL_DBsingle, 0); |
7619c85e | 3544 | PL_DBtrace = GvSV((gv_fetchpv("DB::trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3545 | sv_setiv(PL_DBtrace, 0); |
7619c85e | 3546 | PL_DBsignal = GvSV((gv_fetchpv("DB::signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3547 | sv_setiv(PL_DBsignal, 0); |
bf9cdc68 | 3548 | PL_DBassertion = GvSV((gv_fetchpv("DB::assertion", GV_ADDMULTI, SVt_PV))); |
06492da6 | 3549 | sv_setiv(PL_DBassertion, 0); |
1ee4443e | 3550 | PL_curstash = ostash; |
352d5a3a LW |
3551 | } |
3552 | ||
2ce36478 SM |
3553 | #ifndef STRESS_REALLOC |
3554 | #define REASONABLE(size) (size) | |
3555 | #else | |
3556 | #define REASONABLE(size) (1) /* unreasonable */ | |
3557 | #endif | |
3558 | ||
11343788 | 3559 | void |
cea2e8a9 | 3560 | Perl_init_stacks(pTHX) |
79072805 | 3561 | { |
e336de0d | 3562 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3563 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3564 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3565 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3566 | PL_curstack = PL_curstackinfo->si_stack; | |
3567 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3568 | |
3280af22 NIS |
3569 | PL_stack_base = AvARRAY(PL_curstack); |
3570 | PL_stack_sp = PL_stack_base; | |
3571 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3572 | |
3280af22 NIS |
3573 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
3574 | PL_tmps_floor = -1; | |
3575 | PL_tmps_ix = -1; | |
3576 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3577 | |
3280af22 NIS |
3578 | New(54,PL_markstack,REASONABLE(32),I32); |
3579 | PL_markstack_ptr = PL_markstack; | |
3580 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3581 | |
ce2f7c3b | 3582 | SET_MARK_OFFSET; |
e336de0d | 3583 | |
3280af22 NIS |
3584 | New(54,PL_scopestack,REASONABLE(32),I32); |
3585 | PL_scopestack_ix = 0; | |
3586 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3587 | |
3280af22 NIS |
3588 | New(54,PL_savestack,REASONABLE(128),ANY); |
3589 | PL_savestack_ix = 0; | |
3590 | PL_savestack_max = REASONABLE(128); | |
79072805 | 3591 | |
3280af22 NIS |
3592 | New(54,PL_retstack,REASONABLE(16),OP*); |
3593 | PL_retstack_ix = 0; | |
3594 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 3595 | } |
33b78306 | 3596 | |
2ce36478 SM |
3597 | #undef REASONABLE |
3598 | ||
76e3520e | 3599 | STATIC void |
cea2e8a9 | 3600 | S_nuke_stacks(pTHX) |
6e72f9df | 3601 | { |
3280af22 NIS |
3602 | while (PL_curstackinfo->si_next) |
3603 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3604 | while (PL_curstackinfo) { | |
3605 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3606 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3607 | Safefree(PL_curstackinfo->si_cxstack); |
3608 | Safefree(PL_curstackinfo); | |
3609 | PL_curstackinfo = p; | |
e336de0d | 3610 | } |
3280af22 NIS |
3611 | Safefree(PL_tmps_stack); |
3612 | Safefree(PL_markstack); | |
3613 | Safefree(PL_scopestack); | |
3614 | Safefree(PL_savestack); | |
3615 | Safefree(PL_retstack); | |
378cc40b | 3616 | } |
33b78306 | 3617 | |
76e3520e | 3618 | STATIC void |
cea2e8a9 | 3619 | S_init_lexer(pTHX) |
8990e307 | 3620 | { |
06039172 | 3621 | PerlIO *tmpfp; |
3280af22 NIS |
3622 | tmpfp = PL_rsfp; |
3623 | PL_rsfp = Nullfp; | |
3624 | lex_start(PL_linestr); | |
3625 | PL_rsfp = tmpfp; | |
79cb57f6 | 3626 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3627 | } |
3628 | ||
76e3520e | 3629 | STATIC void |
cea2e8a9 | 3630 | S_init_predump_symbols(pTHX) |
45d8adaa | 3631 | { |
93a17b20 | 3632 | GV *tmpgv; |
af8c498a | 3633 | IO *io; |
79072805 | 3634 | |
864dbfa3 | 3635 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3636 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3637 | GvMULTI_on(PL_stdingv); | |
af8c498a | 3638 | io = GvIOp(PL_stdingv); |
a04651f4 | 3639 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3640 | IoIFP(io) = PerlIO_stdin(); |
adbc6bb1 | 3641 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3642 | GvMULTI_on(tmpgv); |
af8c498a | 3643 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3644 | |
85e6fe83 | 3645 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3646 | GvMULTI_on(tmpgv); |
af8c498a | 3647 | io = GvIOp(tmpgv); |
a04651f4 | 3648 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3649 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3650 | setdefout(tmpgv); |
adbc6bb1 | 3651 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3652 | GvMULTI_on(tmpgv); |
af8c498a | 3653 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3654 | |
bf49b057 GS |
3655 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3656 | GvMULTI_on(PL_stderrgv); | |
3657 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3658 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3659 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3660 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3661 | GvMULTI_on(tmpgv); |
af8c498a | 3662 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3663 | |
3280af22 | 3664 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3665 | |
bf4acbe4 GS |
3666 | if (PL_osname) |
3667 | Safefree(PL_osname); | |
3668 | PL_osname = savepv(OSNAME); | |
79072805 | 3669 | } |
33b78306 | 3670 | |
a11ec5a9 RGS |
3671 | void |
3672 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) | |
33b78306 | 3673 | { |
79072805 | 3674 | char *s; |
79072805 | 3675 | argc--,argv++; /* skip name of script */ |
3280af22 | 3676 | if (PL_doswitches) { |
79072805 LW |
3677 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3678 | if (!argv[0][1]) | |
3679 | break; | |
379d538a | 3680 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3681 | argc--,argv++; |
3682 | break; | |
3683 | } | |
155aba94 | 3684 | if ((s = strchr(argv[0], '='))) { |
79072805 | 3685 | *s++ = '\0'; |
85e6fe83 | 3686 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3687 | } |
3688 | else | |
85e6fe83 | 3689 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3690 | } |
79072805 | 3691 | } |
a11ec5a9 RGS |
3692 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
3693 | GvMULTI_on(PL_argvgv); | |
3694 | (void)gv_AVadd(PL_argvgv); | |
3695 | av_clear(GvAVn(PL_argvgv)); | |
3696 | for (; argc > 0; argc--,argv++) { | |
3697 | SV *sv = newSVpv(argv[0],0); | |
3698 | av_push(GvAVn(PL_argvgv),sv); | |
ce81ff12 JH |
3699 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
3700 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
3701 | SvUTF8_on(sv); | |
3702 | } | |
a05d7ebb JH |
3703 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
3704 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
3705 | } |
3706 | } | |
3707 | } | |
3708 | ||
04fee9b5 NIS |
3709 | #ifdef HAS_PROCSELFEXE |
3710 | /* This is a function so that we don't hold on to MAXPATHLEN | |
8338e367 | 3711 | bytes of stack longer than necessary |
04fee9b5 NIS |
3712 | */ |
3713 | STATIC void | |
3714 | S_procself_val(pTHX_ SV *sv, char *arg0) | |
3715 | { | |
3716 | char buf[MAXPATHLEN]; | |
d13a6521 | 3717 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); |
75745e22 TJ |
3718 | |
3719 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
3720 | includes a spurious NUL which will cause $^X to fail in system | |
3721 | or backticks (this will prevent extensions from being built and | |
3722 | many tests from working). readlink is not meant to add a NUL. | |
3723 | Normal readlink works fine. | |
3724 | */ | |
3725 | if (len > 0 && buf[len-1] == '\0') { | |
3726 | len--; | |
3727 | } | |
3728 | ||
d103ec31 JH |
3729 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes |
3730 | returning the text "unknown" from the readlink rather than the path | |
78cb7c00 | 3731 | to the executable (or returning an error from the readlink). Any valid |
d103ec31 JH |
3732 | path has a '/' in it somewhere, so use that to validate the result. |
3733 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
3734 | */ | |
78cb7c00 | 3735 | if (len > 0 && memchr(buf, '/', len)) { |
04fee9b5 NIS |
3736 | sv_setpvn(sv,buf,len); |
3737 | } | |
3738 | else { | |
3739 | sv_setpv(sv,arg0); | |
3740 | } | |
3741 | } | |
3742 | #endif /* HAS_PROCSELFEXE */ | |
3743 | ||
a11ec5a9 RGS |
3744 | STATIC void |
3745 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
3746 | { | |
3747 | char *s; | |
3748 | SV *sv; | |
3749 | GV* tmpgv; | |
a11ec5a9 | 3750 | |
3280af22 NIS |
3751 | PL_toptarget = NEWSV(0,0); |
3752 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3753 | sv_setpvn(PL_toptarget, "", 0); | |
3754 | PL_bodytarget = NEWSV(0,0); | |
3755 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3756 | sv_setpvn(PL_bodytarget, "", 0); | |
3757 | PL_formtarget = PL_bodytarget; | |
79072805 | 3758 | |
bbce6d69 | 3759 | TAINT; |
a11ec5a9 RGS |
3760 | |
3761 | init_argv_symbols(argc,argv); | |
3762 | ||
155aba94 | 3763 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) { |
bf4acbe4 GS |
3764 | #ifdef MACOS_TRADITIONAL |
3765 | /* $0 is not majick on a Mac */ | |
3766 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
3767 | #else | |
3280af22 | 3768 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 3769 | magicname("0", "0", 1); |
bf4acbe4 | 3770 | #endif |
79072805 | 3771 | } |
04fee9b5 NIS |
3772 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) {/* $^X */ |
3773 | #ifdef HAS_PROCSELFEXE | |
3774 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
3775 | #else | |
8338e367 | 3776 | #ifdef OS2 |
23da6c43 | 3777 | sv_setpv(GvSV(tmpgv), os2_execname(aTHX)); |
8338e367 JH |
3778 | #else |
3779 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); | |
3780 | #endif | |
04fee9b5 NIS |
3781 | #endif |
3782 | } | |
155aba94 | 3783 | if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) { |
79072805 | 3784 | HV *hv; |
3280af22 NIS |
3785 | GvMULTI_on(PL_envgv); |
3786 | hv = GvHVn(PL_envgv); | |
14befaf4 | 3787 | hv_magic(hv, Nullgv, PERL_MAGIC_env); |
2f42fcb0 | 3788 | #ifndef PERL_MICRO |
fa6a1c44 | 3789 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
3790 | /* Note that if the supplied env parameter is actually a copy |
3791 | of the global environ then it may now point to free'd memory | |
3792 | if the environment has been modified since. To avoid this | |
3793 | problem we treat env==NULL as meaning 'use the default' | |
3794 | */ | |
3795 | if (!env) | |
3796 | env = environ; | |
4efc5df6 GS |
3797 | if (env != environ |
3798 | # ifdef USE_ITHREADS | |
3799 | && PL_curinterp == aTHX | |
3800 | # endif | |
3801 | ) | |
3802 | { | |
79072805 | 3803 | environ[0] = Nullch; |
4efc5df6 | 3804 | } |
764df951 IZ |
3805 | if (env) |
3806 | for (; *env; env++) { | |
93a17b20 | 3807 | if (!(s = strchr(*env,'='))) |
79072805 | 3808 | continue; |
7da0e383 | 3809 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 3810 | *s = '\0'; |
137443ea | 3811 | (void)strupr(*env); |
61968511 | 3812 | *s = '='; |
137443ea | 3813 | #endif |
61968511 | 3814 | sv = newSVpv(s+1, 0); |
79072805 | 3815 | (void)hv_store(hv, *env, s - *env, sv, 0); |
61968511 GA |
3816 | if (env != environ) |
3817 | mg_set(sv); | |
764df951 | 3818 | } |
103a7189 | 3819 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 3820 | #endif /* !PERL_MICRO */ |
79072805 | 3821 | } |
bbce6d69 | 3822 | TAINT_NOT; |
306196c3 MS |
3823 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) { |
3824 | SvREADONLY_off(GvSV(tmpgv)); | |
7766f137 | 3825 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3826 | SvREADONLY_on(GvSV(tmpgv)); |
3827 | } | |
4d76a344 RGS |
3828 | #ifdef THREADS_HAVE_PIDS |
3829 | PL_ppid = (IV)getppid(); | |
3830 | #endif | |
2710853f MJD |
3831 | |
3832 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
3833 | if (PL_minus_a) { | |
3834 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
3835 | } | |
3836 | /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */ | |
3837 | (void) get_av("main::-", TRUE | GV_ADDMULTI); | |
3838 | (void) get_av("main::+", TRUE | GV_ADDMULTI); | |
33b78306 | 3839 | } |
34de22dd | 3840 | |
76e3520e | 3841 | STATIC void |
cea2e8a9 | 3842 | S_init_perllib(pTHX) |
34de22dd | 3843 | { |
85e6fe83 | 3844 | char *s; |
3280af22 | 3845 | if (!PL_tainting) { |
552a7a9b | 3846 | #ifndef VMS |
76e3520e | 3847 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 3848 | if (s) |
574c798a | 3849 | incpush(s, TRUE, TRUE, TRUE); |
85e6fe83 | 3850 | else |
574c798a | 3851 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE); |
552a7a9b | 3852 | #else /* VMS */ |
3853 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
3854 | * "natural" VMS idiom for a Unix path string. We allow each | |
3855 | * element to be a set of |-separated directories for compatibility. | |
3856 | */ | |
3857 | char buf[256]; | |
3858 | int idx = 0; | |
3859 | if (my_trnlnm("PERL5LIB",buf,0)) | |
574c798a | 3860 | do { incpush(buf,TRUE,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 3861 | else |
574c798a | 3862 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE); |
552a7a9b | 3863 | #endif /* VMS */ |
85e6fe83 | 3864 | } |
34de22dd | 3865 | |
c90c0ff4 | 3866 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 3867 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 3868 | */ |
4633a7c4 | 3869 | #ifdef APPLLIB_EXP |
574c798a | 3870 | incpush(APPLLIB_EXP, TRUE, TRUE, TRUE); |
16d20bd9 | 3871 | #endif |
4633a7c4 | 3872 | |
fed7345c | 3873 | #ifdef ARCHLIB_EXP |
574c798a | 3874 | incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE); |
a0d0e21e | 3875 | #endif |
bf4acbe4 GS |
3876 | #ifdef MACOS_TRADITIONAL |
3877 | { | |
c623ac67 | 3878 | Stat_t tmpstatbuf; |
bf4acbe4 GS |
3879 | SV * privdir = NEWSV(55, 0); |
3880 | char * macperl = PerlEnv_getenv("MACPERL"); | |
3881 | ||
3882 | if (!macperl) | |
3883 | macperl = ""; | |
3884 | ||
3885 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
3886 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
574c798a | 3887 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE); |
bf4acbe4 GS |
3888 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); |
3889 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
574c798a | 3890 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE); |
ac27b0f5 | 3891 | |
bf4acbe4 GS |
3892 | SvREFCNT_dec(privdir); |
3893 | } | |
3894 | if (!PL_tainting) | |
574c798a | 3895 | incpush(":", FALSE, FALSE, TRUE); |
bf4acbe4 | 3896 | #else |
fed7345c | 3897 | #ifndef PRIVLIB_EXP |
65f19062 | 3898 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 3899 | #endif |
ac27b0f5 | 3900 | #if defined(WIN32) |
574c798a | 3901 | incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE); |
00dc2f4f | 3902 | #else |
574c798a | 3903 | incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE); |
00dc2f4f | 3904 | #endif |
4633a7c4 | 3905 | |
65f19062 | 3906 | #ifdef SITEARCH_EXP |
3b290362 GS |
3907 | /* sitearch is always relative to sitelib on Windows for |
3908 | * DLL-based path intuition to work correctly */ | |
3909 | # if !defined(WIN32) | |
574c798a | 3910 | incpush(SITEARCH_EXP, FALSE, FALSE, TRUE); |
65f19062 GS |
3911 | # endif |
3912 | #endif | |
3913 | ||
4633a7c4 | 3914 | #ifdef SITELIB_EXP |
65f19062 | 3915 | # if defined(WIN32) |
574c798a SR |
3916 | /* this picks up sitearch as well */ |
3917 | incpush(SITELIB_EXP, TRUE, FALSE, TRUE); | |
65f19062 | 3918 | # else |
574c798a | 3919 | incpush(SITELIB_EXP, FALSE, FALSE, TRUE); |
65f19062 GS |
3920 | # endif |
3921 | #endif | |
189d1e8d | 3922 | |
65f19062 | 3923 | #ifdef SITELIB_STEM /* Search for version-specific dirs below here */ |
574c798a | 3924 | incpush(SITELIB_STEM, FALSE, TRUE, TRUE); |
81c6dfba | 3925 | #endif |
65f19062 GS |
3926 | |
3927 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 3928 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
3929 | * DLL-based path intuition to work correctly */ |
3930 | # if !defined(WIN32) | |
574c798a | 3931 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE); |
65f19062 | 3932 | # endif |
4b03c463 | 3933 | #endif |
65f19062 GS |
3934 | |
3935 | #ifdef PERL_VENDORLIB_EXP | |
3936 | # if defined(WIN32) | |
574c798a | 3937 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE); /* this picks up vendorarch as well */ |
65f19062 | 3938 | # else |
574c798a | 3939 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE); |
65f19062 | 3940 | # endif |
a3635516 | 3941 | #endif |
65f19062 GS |
3942 | |
3943 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
574c798a | 3944 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE); |
00dc2f4f | 3945 | #endif |
65f19062 | 3946 | |
3b777bb4 | 3947 | #ifdef PERL_OTHERLIBDIRS |
574c798a | 3948 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE); |
3b777bb4 GS |
3949 | #endif |
3950 | ||
3280af22 | 3951 | if (!PL_tainting) |
574c798a | 3952 | incpush(".", FALSE, FALSE, TRUE); |
bf4acbe4 | 3953 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 3954 | } |
3955 | ||
ed79a026 | 3956 | #if defined(DOSISH) || defined(EPOC) |
774d564b | 3957 | # define PERLLIB_SEP ';' |
3958 | #else | |
3959 | # if defined(VMS) | |
3960 | # define PERLLIB_SEP '|' | |
3961 | # else | |
bf4acbe4 GS |
3962 | # if defined(MACOS_TRADITIONAL) |
3963 | # define PERLLIB_SEP ',' | |
3964 | # else | |
3965 | # define PERLLIB_SEP ':' | |
3966 | # endif | |
774d564b | 3967 | # endif |
3968 | #endif | |
3969 | #ifndef PERLLIB_MANGLE | |
3970 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 3971 | #endif |
774d564b | 3972 | |
76e3520e | 3973 | STATIC void |
574c798a | 3974 | S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers, int usesep) |
774d564b | 3975 | { |
3976 | SV *subdir = Nullsv; | |
774d564b | 3977 | |
3b290362 | 3978 | if (!p || !*p) |
774d564b | 3979 | return; |
3980 | ||
9c8a64f0 | 3981 | if (addsubdirs || addoldvers) { |
00db4c45 | 3982 | subdir = sv_newmortal(); |
774d564b | 3983 | } |
3984 | ||
3985 | /* Break at all separators */ | |
3986 | while (p && *p) { | |
8c52afec | 3987 | SV *libdir = NEWSV(55,0); |
774d564b | 3988 | char *s; |
3989 | ||
3990 | /* skip any consecutive separators */ | |
574c798a SR |
3991 | if (usesep) { |
3992 | while ( *p == PERLLIB_SEP ) { | |
3993 | /* Uncomment the next line for PATH semantics */ | |
3994 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ | |
3995 | p++; | |
3996 | } | |
774d564b | 3997 | } |
3998 | ||
574c798a | 3999 | if ( usesep && (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
774d564b | 4000 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
4001 | (STRLEN)(s - p)); | |
4002 | p = s + 1; | |
4003 | } | |
4004 | else { | |
4005 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
4006 | p = Nullch; /* break out */ | |
4007 | } | |
bf4acbe4 | 4008 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
4009 | if (!strchr(SvPVX(libdir), ':')) { |
4010 | char buf[256]; | |
4011 | ||
4012 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
4013 | } | |
bf4acbe4 GS |
4014 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
4015 | sv_catpv(libdir, ":"); | |
4016 | #endif | |
774d564b | 4017 | |
4018 | /* | |
4019 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4020 | * archname-specific sub-directories. | |
4021 | */ | |
9c8a64f0 | 4022 | if (addsubdirs || addoldvers) { |
29d82f8d | 4023 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
4024 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
4025 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
4026 | const char **incver; |
4027 | #endif | |
c623ac67 | 4028 | Stat_t tmpstatbuf; |
aa689395 | 4029 | #ifdef VMS |
4030 | char *unix; | |
4031 | STRLEN len; | |
774d564b | 4032 | |
2d8e6c8d | 4033 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 4034 | len = strlen(unix); |
4035 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4036 | sv_usepvn(libdir,unix,len); | |
4037 | } | |
4038 | else | |
bf49b057 | 4039 | PerlIO_printf(Perl_error_log, |
aa689395 | 4040 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 4041 | SvPV(libdir,len)); |
aa689395 | 4042 | #endif |
9c8a64f0 | 4043 | if (addsubdirs) { |
bf4acbe4 GS |
4044 | #ifdef MACOS_TRADITIONAL |
4045 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
4046 | #define PERL_ARCH_FMT "%s:" |
4047 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
4048 | #else |
4049 | #define PERL_AV_SUFFIX_FMT "/" | |
4050 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 4051 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 4052 | #endif |
9c8a64f0 | 4053 | /* .../version/archname if -d .../version/archname */ |
084592ab | 4054 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
9c8a64f0 GS |
4055 | libdir, |
4056 | (int)PERL_REVISION, (int)PERL_VERSION, | |
4057 | (int)PERL_SUBVERSION, ARCHNAME); | |
4058 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
4059 | S_ISDIR(tmpstatbuf.st_mode)) | |
4060 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4b03c463 | 4061 | |
9c8a64f0 | 4062 | /* .../version if -d .../version */ |
084592ab | 4063 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, libdir, |
9c8a64f0 GS |
4064 | (int)PERL_REVISION, (int)PERL_VERSION, |
4065 | (int)PERL_SUBVERSION); | |
4066 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
4067 | S_ISDIR(tmpstatbuf.st_mode)) | |
4068 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4069 | ||
4070 | /* .../archname if -d .../archname */ | |
bf4acbe4 | 4071 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, ARCHNAME); |
29d82f8d GS |
4072 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
4073 | S_ISDIR(tmpstatbuf.st_mode)) | |
4074 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
29d82f8d | 4075 | } |
9c8a64f0 | 4076 | |
9c8a64f0 | 4077 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4078 | if (addoldvers) { |
9c8a64f0 GS |
4079 | for (incver = incverlist; *incver; incver++) { |
4080 | /* .../xxx if -d .../xxx */ | |
bf4acbe4 | 4081 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, *incver); |
9c8a64f0 GS |
4082 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
4083 | S_ISDIR(tmpstatbuf.st_mode)) | |
4084 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4085 | } | |
4086 | } | |
29d82f8d | 4087 | #endif |
774d564b | 4088 | } |
4089 | ||
4090 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 4091 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 4092 | } |
34de22dd | 4093 | } |
93a17b20 | 4094 | |
4d1ff10f | 4095 | #ifdef USE_5005THREADS |
76e3520e | 4096 | STATIC struct perl_thread * |
cea2e8a9 | 4097 | S_init_main_thread(pTHX) |
199100c8 | 4098 | { |
c5be433b | 4099 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 4100 | struct perl_thread *thr; |
cea2e8a9 | 4101 | #endif |
199100c8 MB |
4102 | XPV *xpv; |
4103 | ||
52e1cb5e | 4104 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 4105 | PL_curcop = &PL_compiling; |
c5be433b | 4106 | thr->interp = PERL_GET_INTERP; |
199100c8 | 4107 | thr->cvcache = newHV(); |
54b9620d | 4108 | thr->threadsv = newAV(); |
940cb80d | 4109 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
4110 | thr->specific = newAV(); |
4111 | thr->flags = THRf_R_JOINABLE; | |
4112 | MUTEX_INIT(&thr->mutex); | |
4113 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 4114 | New(53, PL_thrsv, 1, SV); |
199100c8 | 4115 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
4116 | SvFLAGS(PL_thrsv) = SVt_PV; |
4117 | SvANY(PL_thrsv) = (void*)xpv; | |
4118 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
4119 | SvPVX(PL_thrsv) = (char*)thr; | |
4120 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
4121 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
4122 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
4123 | thr->oursv = PL_thrsv; | |
4124 | PL_chopset = " \n-"; | |
3967c732 | 4125 | PL_dumpindent = 4; |
533c011a NIS |
4126 | |
4127 | MUTEX_LOCK(&PL_threads_mutex); | |
4128 | PL_nthreads++; | |
199100c8 MB |
4129 | thr->tid = 0; |
4130 | thr->next = thr; | |
4131 | thr->prev = thr; | |
8dcd6f7b | 4132 | thr->thr_done = 0; |
533c011a | 4133 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 4134 | |
4b026b9e | 4135 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 4136 | Perl_init_thread_intern(thr); |
235db74f GS |
4137 | #endif |
4138 | ||
4139 | #ifdef SET_THREAD_SELF | |
4140 | SET_THREAD_SELF(thr); | |
199100c8 MB |
4141 | #else |
4142 | thr->self = pthread_self(); | |
235db74f | 4143 | #endif /* SET_THREAD_SELF */ |
06d86050 | 4144 | PERL_SET_THX(thr); |
199100c8 MB |
4145 | |
4146 | /* | |
411caa50 JH |
4147 | * These must come after the thread self setting |
4148 | * because sv_setpvn does SvTAINT and the taint | |
4149 | * fields thread selfness being set. | |
199100c8 | 4150 | */ |
533c011a NIS |
4151 | PL_toptarget = NEWSV(0,0); |
4152 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
4153 | sv_setpvn(PL_toptarget, "", 0); | |
4154 | PL_bodytarget = NEWSV(0,0); | |
4155 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
4156 | sv_setpvn(PL_bodytarget, "", 0); | |
4157 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 4158 | thr->errsv = newSVpvn("", 0); |
78857c3c | 4159 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 4160 | |
533c011a | 4161 | PL_maxscream = -1; |
a2efc822 | 4162 | PL_peepp = MEMBER_TO_FPTR(Perl_peep); |
0b94c7bb GS |
4163 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
4164 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
4165 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
4166 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
4167 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
4168 | PL_regindent = 0; |
4169 | PL_reginterp_cnt = 0; | |
5c0ca799 | 4170 | |
199100c8 MB |
4171 | return thr; |
4172 | } | |
4d1ff10f | 4173 | #endif /* USE_5005THREADS */ |
199100c8 | 4174 | |
93a17b20 | 4175 | void |
864dbfa3 | 4176 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4177 | { |
971a9dd3 | 4178 | SV *atsv; |
57843af0 | 4179 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 4180 | CV *cv; |
22921e25 | 4181 | STRLEN len; |
6224f72b | 4182 | int ret; |
db36c5a1 | 4183 | dJMPENV; |
93a17b20 | 4184 | |
76e3520e | 4185 | while (AvFILL(paramList) >= 0) { |
312caa8e | 4186 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
4187 | if (PL_savebegin) { |
4188 | if (paramList == PL_beginav) { | |
059a8bb7 | 4189 | /* save PL_beginav for compiler */ |
ece599bd RGS |
4190 | if (! PL_beginav_save) |
4191 | PL_beginav_save = newAV(); | |
4192 | av_push(PL_beginav_save, (SV*)cv); | |
4193 | } | |
4194 | else if (paramList == PL_checkav) { | |
4195 | /* save PL_checkav for compiler */ | |
4196 | if (! PL_checkav_save) | |
4197 | PL_checkav_save = newAV(); | |
4198 | av_push(PL_checkav_save, (SV*)cv); | |
4199 | } | |
059a8bb7 JH |
4200 | } else { |
4201 | SAVEFREESV(cv); | |
4202 | } | |
14dd3ad8 GS |
4203 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
4204 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv); | |
4205 | #else | |
4206 | JMPENV_PUSH(ret); | |
4207 | #endif | |
6224f72b | 4208 | switch (ret) { |
312caa8e | 4209 | case 0: |
14dd3ad8 GS |
4210 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
4211 | call_list_body(cv); | |
4212 | #endif | |
971a9dd3 | 4213 | atsv = ERRSV; |
312caa8e CS |
4214 | (void)SvPV(atsv, len); |
4215 | if (len) { | |
4216 | PL_curcop = &PL_compiling; | |
57843af0 | 4217 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
4218 | if (paramList == PL_beginav) |
4219 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
4220 | else | |
4f25aa18 GS |
4221 | Perl_sv_catpvf(aTHX_ atsv, |
4222 | "%s failed--call queue aborted", | |
7d30b5c4 | 4223 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4224 | : paramList == PL_initav ? "INIT" |
4225 | : "END"); | |
312caa8e CS |
4226 | while (PL_scopestack_ix > oldscope) |
4227 | LEAVE; | |
14dd3ad8 | 4228 | JMPENV_POP; |
35c1215d | 4229 | Perl_croak(aTHX_ "%"SVf"", atsv); |
a0d0e21e | 4230 | } |
85e6fe83 | 4231 | break; |
6224f72b | 4232 | case 1: |
f86702cc | 4233 | STATUS_ALL_FAILURE; |
85e6fe83 | 4234 | /* FALL THROUGH */ |
6224f72b | 4235 | case 2: |
85e6fe83 | 4236 | /* my_exit() was called */ |
3280af22 | 4237 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4238 | LEAVE; |
84902520 | 4239 | FREETMPS; |
3280af22 | 4240 | PL_curstash = PL_defstash; |
3280af22 | 4241 | PL_curcop = &PL_compiling; |
57843af0 | 4242 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4243 | JMPENV_POP; |
cc3604b1 | 4244 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 4245 | if (paramList == PL_beginav) |
cea2e8a9 | 4246 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 4247 | else |
4f25aa18 | 4248 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 4249 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4250 | : paramList == PL_initav ? "INIT" |
4251 | : "END"); | |
85e6fe83 | 4252 | } |
f86702cc | 4253 | my_exit_jump(); |
85e6fe83 | 4254 | /* NOTREACHED */ |
6224f72b | 4255 | case 3: |
312caa8e CS |
4256 | if (PL_restartop) { |
4257 | PL_curcop = &PL_compiling; | |
57843af0 | 4258 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4259 | JMPENV_JUMP(3); |
85e6fe83 | 4260 | } |
bf49b057 | 4261 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4262 | FREETMPS; |
4263 | break; | |
8990e307 | 4264 | } |
14dd3ad8 | 4265 | JMPENV_POP; |
93a17b20 | 4266 | } |
93a17b20 | 4267 | } |
93a17b20 | 4268 | |
14dd3ad8 | 4269 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 4270 | STATIC void * |
14dd3ad8 | 4271 | S_vcall_list_body(pTHX_ va_list args) |
312caa8e | 4272 | { |
312caa8e | 4273 | CV *cv = va_arg(args, CV*); |
14dd3ad8 GS |
4274 | return call_list_body(cv); |
4275 | } | |
4276 | #endif | |
312caa8e | 4277 | |
14dd3ad8 GS |
4278 | STATIC void * |
4279 | S_call_list_body(pTHX_ CV *cv) | |
4280 | { | |
312caa8e | 4281 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 4282 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
4283 | return NULL; |
4284 | } | |
4285 | ||
f86702cc | 4286 | void |
864dbfa3 | 4287 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4288 | { |
8b73bbec | 4289 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 4290 | thr, (unsigned long) status)); |
f86702cc | 4291 | switch (status) { |
4292 | case 0: | |
4293 | STATUS_ALL_SUCCESS; | |
4294 | break; | |
4295 | case 1: | |
4296 | STATUS_ALL_FAILURE; | |
4297 | break; | |
4298 | default: | |
4299 | STATUS_NATIVE_SET(status); | |
4300 | break; | |
4301 | } | |
4302 | my_exit_jump(); | |
4303 | } | |
4304 | ||
4305 | void | |
864dbfa3 | 4306 | Perl_my_failure_exit(pTHX) |
f86702cc | 4307 | { |
4308 | #ifdef VMS | |
4309 | if (vaxc$errno & 1) { | |
4fdae800 | 4310 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
4311 | STATUS_NATIVE_SET(44); | |
f86702cc | 4312 | } |
4313 | else { | |
ff0cee69 | 4314 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 4315 | STATUS_NATIVE_SET(44); |
f86702cc | 4316 | else |
4fdae800 | 4317 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 4318 | } |
4319 | #else | |
9b599b2a | 4320 | int exitstatus; |
f86702cc | 4321 | if (errno & 255) |
4322 | STATUS_POSIX_SET(errno); | |
9b599b2a | 4323 | else { |
ac27b0f5 | 4324 | exitstatus = STATUS_POSIX >> 8; |
9b599b2a GS |
4325 | if (exitstatus & 255) |
4326 | STATUS_POSIX_SET(exitstatus); | |
4327 | else | |
4328 | STATUS_POSIX_SET(255); | |
4329 | } | |
f86702cc | 4330 | #endif |
4331 | my_exit_jump(); | |
93a17b20 LW |
4332 | } |
4333 | ||
76e3520e | 4334 | STATIC void |
cea2e8a9 | 4335 | S_my_exit_jump(pTHX) |
f86702cc | 4336 | { |
c09156bb | 4337 | register PERL_CONTEXT *cx; |
f86702cc | 4338 | I32 gimme; |
4339 | SV **newsp; | |
4340 | ||
3280af22 NIS |
4341 | if (PL_e_script) { |
4342 | SvREFCNT_dec(PL_e_script); | |
4343 | PL_e_script = Nullsv; | |
f86702cc | 4344 | } |
4345 | ||
3280af22 | 4346 | POPSTACK_TO(PL_mainstack); |
f86702cc | 4347 | if (cxstack_ix >= 0) { |
4348 | if (cxstack_ix > 0) | |
4349 | dounwind(0); | |
3280af22 | 4350 | POPBLOCK(cx,PL_curpm); |
f86702cc | 4351 | LEAVE; |
4352 | } | |
ff0cee69 | 4353 | |
6224f72b | 4354 | JMPENV_JUMP(2); |
f86702cc | 4355 | } |
873ef191 | 4356 | |
0cb96387 | 4357 | static I32 |
acfe0abc | 4358 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 GS |
4359 | { |
4360 | char *p, *nl; | |
3280af22 | 4361 | p = SvPVX(PL_e_script); |
873ef191 | 4362 | nl = strchr(p, '\n'); |
3280af22 | 4363 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4364 | if (nl-p == 0) { |
0cb96387 | 4365 | filter_del(read_e_script); |
873ef191 | 4366 | return 0; |
7dfe3f66 | 4367 | } |
873ef191 | 4368 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4369 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4370 | return 1; |
4371 | } |