Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
be3c0a43 | 3 | * Copyright (c) 1987-2002 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b | 14 | #include "EXTERN.h" |
864dbfa3 | 15 | #define PERL_IN_PERL_C |
378cc40b | 16 | #include "perl.h" |
e3321bb0 | 17 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 18 | |
011f1a1a JH |
19 | #ifdef NETWARE |
20 | #include "nwutil.h" | |
21 | char *nw_get_sitelib(const char *pl); | |
22 | #endif | |
23 | ||
df5cef82 | 24 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
25 | #ifdef I_UNISTD |
26 | #include <unistd.h> | |
27 | #endif | |
a0d0e21e | 28 | |
5311654c JH |
29 | #ifdef __BEOS__ |
30 | # define HZ 1000000 | |
31 | #endif | |
32 | ||
33 | #ifndef HZ | |
34 | # ifdef CLK_TCK | |
35 | # define HZ CLK_TCK | |
36 | # else | |
37 | # define HZ 60 | |
38 | # endif | |
39 | #endif | |
40 | ||
7114a2d2 | 41 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 42 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 43 | #endif |
44 | ||
acfe0abc | 45 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 46 | |
a687059c LW |
47 | #ifdef IAMSUID |
48 | #ifndef DOSUID | |
49 | #define DOSUID | |
50 | #endif | |
51 | #endif | |
378cc40b | 52 | |
a687059c LW |
53 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
54 | #ifdef DOSUID | |
55 | #undef DOSUID | |
56 | #endif | |
57 | #endif | |
8d063cd8 | 58 | |
3db8f154 | 59 | #if defined(USE_ITHREADS) |
06d86050 GS |
60 | # define INIT_TLS_AND_INTERP \ |
61 | STMT_START { \ | |
62 | if (!PL_curinterp) { \ | |
63 | PERL_SET_INTERP(my_perl); \ | |
64 | INIT_THREADS; \ | |
65 | ALLOC_THREAD_KEY; \ | |
534825c4 GS |
66 | PERL_SET_THX(my_perl); \ |
67 | OP_REFCNT_INIT; \ | |
68 | } \ | |
69 | else { \ | |
70 | PERL_SET_THX(my_perl); \ | |
06d86050 | 71 | } \ |
06d86050 | 72 | } STMT_END |
3db8f154 | 73 | #else |
06d86050 GS |
74 | # define INIT_TLS_AND_INTERP \ |
75 | STMT_START { \ | |
76 | if (!PL_curinterp) { \ | |
77 | PERL_SET_INTERP(my_perl); \ | |
78 | } \ | |
79 | PERL_SET_THX(my_perl); \ | |
80 | } STMT_END | |
81 | # endif | |
06d86050 | 82 | |
32e30700 GS |
83 | #ifdef PERL_IMPLICIT_SYS |
84 | PerlInterpreter * | |
7766f137 GS |
85 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
86 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
87 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
88 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
89 | struct IPerlProc* ipP) | |
90 | { | |
91 | PerlInterpreter *my_perl; | |
32e30700 GS |
92 | /* New() needs interpreter, so call malloc() instead */ |
93 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
06d86050 | 94 | INIT_TLS_AND_INTERP; |
32e30700 GS |
95 | Zero(my_perl, 1, PerlInterpreter); |
96 | PL_Mem = ipM; | |
7766f137 GS |
97 | PL_MemShared = ipMS; |
98 | PL_MemParse = ipMP; | |
32e30700 GS |
99 | PL_Env = ipE; |
100 | PL_StdIO = ipStd; | |
101 | PL_LIO = ipLIO; | |
102 | PL_Dir = ipD; | |
103 | PL_Sock = ipS; | |
104 | PL_Proc = ipP; | |
7766f137 | 105 | |
32e30700 GS |
106 | return my_perl; |
107 | } | |
108 | #else | |
954c1994 GS |
109 | |
110 | /* | |
ccfc67b7 JH |
111 | =head1 Embedding Functions |
112 | ||
954c1994 GS |
113 | =for apidoc perl_alloc |
114 | ||
115 | Allocates a new Perl interpreter. See L<perlembed>. | |
116 | ||
117 | =cut | |
118 | */ | |
119 | ||
93a17b20 | 120 | PerlInterpreter * |
cea2e8a9 | 121 | perl_alloc(void) |
79072805 | 122 | { |
cea2e8a9 | 123 | PerlInterpreter *my_perl; |
35d7cf2c JH |
124 | #ifdef USE_5005THREADS |
125 | dTHX; | |
126 | #endif | |
79072805 | 127 | |
54aff467 | 128 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 129 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 130 | |
06d86050 | 131 | INIT_TLS_AND_INTERP; |
dedcbb81 | 132 | Zero(my_perl, 1, PerlInterpreter); |
cea2e8a9 | 133 | return my_perl; |
79072805 | 134 | } |
32e30700 | 135 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 136 | |
954c1994 GS |
137 | /* |
138 | =for apidoc perl_construct | |
139 | ||
140 | Initializes a new Perl interpreter. See L<perlembed>. | |
141 | ||
142 | =cut | |
143 | */ | |
144 | ||
79072805 | 145 | void |
0cb96387 | 146 | perl_construct(pTHXx) |
79072805 | 147 | { |
8990e307 | 148 | #ifdef MULTIPLICITY |
54aff467 | 149 | init_interp(); |
ac27b0f5 | 150 | PL_perl_destruct_level = 1; |
54aff467 GS |
151 | #else |
152 | if (PL_perl_destruct_level > 0) | |
153 | init_interp(); | |
154 | #endif | |
155 | ||
33f46ff6 | 156 | /* Init the real globals (and main thread)? */ |
3280af22 | 157 | if (!PL_linestr) { |
14dd3ad8 | 158 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
0b94c7bb | 159 | PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */ |
14dd3ad8 | 160 | #endif |
312caa8e | 161 | |
2aea9f8a GS |
162 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
163 | ||
3280af22 NIS |
164 | PL_linestr = NEWSV(65,79); |
165 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 166 | |
3280af22 | 167 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
168 | /* set read-only and try to insure than we wont see REFCNT==0 |
169 | very often */ | |
170 | ||
3280af22 NIS |
171 | SvREADONLY_on(&PL_sv_undef); |
172 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 173 | |
3280af22 NIS |
174 | sv_setpv(&PL_sv_no,PL_No); |
175 | SvNV(&PL_sv_no); | |
176 | SvREADONLY_on(&PL_sv_no); | |
177 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 178 | |
3280af22 NIS |
179 | sv_setpv(&PL_sv_yes,PL_Yes); |
180 | SvNV(&PL_sv_yes); | |
181 | SvREADONLY_on(&PL_sv_yes); | |
182 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
6e72f9df | 183 | } |
79072805 | 184 | |
cea2e8a9 | 185 | PL_sighandlerp = Perl_sighandler; |
3280af22 | 186 | PL_pidstatus = newHV(); |
79072805 LW |
187 | } |
188 | ||
8bfdd7d9 | 189 | PL_rs = newSVpvn("\n", 1); |
dc92893f | 190 | |
cea2e8a9 | 191 | init_stacks(); |
79072805 | 192 | |
748a9306 | 193 | init_ids(); |
3280af22 | 194 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 195 | |
312caa8e | 196 | JMPENV_BOOTSTRAP; |
f86702cc | 197 | STATUS_ALL_SUCCESS; |
198 | ||
0672f40e | 199 | init_i18nl10n(1); |
36477c24 | 200 | SET_NUMERIC_STANDARD(); |
0b5b802d | 201 | |
a7cb1f99 GS |
202 | { |
203 | U8 *s; | |
204 | PL_patchlevel = NEWSV(0,4); | |
155aba94 | 205 | (void)SvUPGRADE(PL_patchlevel, SVt_PVNV); |
a7cb1f99 | 206 | if (PERL_REVISION > 127 || PERL_VERSION > 127 || PERL_SUBVERSION > 127) |
806e7201 | 207 | SvGROW(PL_patchlevel, UTF8_MAXLEN*3+1); |
a7cb1f99 | 208 | s = (U8*)SvPVX(PL_patchlevel); |
9041c2e3 NIS |
209 | /* Build version strings using "native" characters */ |
210 | s = uvchr_to_utf8(s, (UV)PERL_REVISION); | |
211 | s = uvchr_to_utf8(s, (UV)PERL_VERSION); | |
212 | s = uvchr_to_utf8(s, (UV)PERL_SUBVERSION); | |
a7cb1f99 GS |
213 | *s = '\0'; |
214 | SvCUR_set(PL_patchlevel, s - (U8*)SvPVX(PL_patchlevel)); | |
215 | SvPOK_on(PL_patchlevel); | |
216 | SvNVX(PL_patchlevel) = (NV)PERL_REVISION | |
217 | + ((NV)PERL_VERSION / (NV)1000) | |
cceca5ed | 218 | #if defined(PERL_SUBVERSION) && PERL_SUBVERSION > 0 |
a7cb1f99 | 219 | + ((NV)PERL_SUBVERSION / (NV)1000000) |
a5f75d66 | 220 | #endif |
a7cb1f99 GS |
221 | ; |
222 | SvNOK_on(PL_patchlevel); /* dual valued */ | |
223 | SvUTF8_on(PL_patchlevel); | |
224 | SvREADONLY_on(PL_patchlevel); | |
225 | } | |
79072805 | 226 | |
ab821d7f | 227 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 228 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 229 | #endif |
230 | ||
52853b95 GS |
231 | #ifdef HAVE_INTERP_INTERN |
232 | sys_intern_init(); | |
233 | #endif | |
234 | ||
3a1ee7e8 | 235 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 236 | |
3280af22 NIS |
237 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
238 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
24944567 | 239 | PL_errors = newSVpvn("",0); |
48c6b404 | 240 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
241 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
242 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 243 | #ifdef USE_ITHREADS |
13137afc AB |
244 | PL_regex_padav = newAV(); |
245 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
246 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 247 | #endif |
e5dd39fc | 248 | #ifdef USE_REENTRANT_API |
59bd0823 | 249 | Perl_reentrant_init(aTHX); |
e5dd39fc | 250 | #endif |
3d47000e AB |
251 | |
252 | /* Note that strtab is a rather special HV. Assumptions are made | |
253 | about not iterating on it, and not adding tie magic to it. | |
254 | It is properly deallocated in perl_destruct() */ | |
255 | PL_strtab = newHV(); | |
256 | ||
3d47000e AB |
257 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
258 | hv_ksplit(PL_strtab, 512); | |
259 | ||
0631ea03 AB |
260 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
261 | _dyld_lookup_and_bind | |
262 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
263 | #endif /* environ */ | |
264 | ||
265 | #ifdef USE_ENVIRON_ARRAY | |
266 | PL_origenviron = environ; | |
267 | #endif | |
268 | ||
5311654c JH |
269 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
270 | * available or if the sysconf() fails, use the HZ. */ | |
271 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) | |
272 | PL_clocktick = sysconf(_SC_CLK_TCK); | |
273 | if (PL_clocktick <= 0) | |
274 | #endif | |
275 | PL_clocktick = HZ; | |
276 | ||
8990e307 | 277 | ENTER; |
79072805 LW |
278 | } |
279 | ||
954c1994 | 280 | /* |
62375a60 NIS |
281 | =for apidoc nothreadhook |
282 | ||
283 | Stub that provides thread hook for perl_destruct when there are | |
284 | no threads. | |
285 | ||
286 | =cut | |
287 | */ | |
288 | ||
289 | int | |
4e9e3734 | 290 | Perl_nothreadhook(pTHX) |
62375a60 NIS |
291 | { |
292 | return 0; | |
293 | } | |
294 | ||
295 | /* | |
954c1994 GS |
296 | =for apidoc perl_destruct |
297 | ||
298 | Shuts down a Perl interpreter. See L<perlembed>. | |
299 | ||
300 | =cut | |
301 | */ | |
302 | ||
31d77e54 | 303 | int |
0cb96387 | 304 | perl_destruct(pTHXx) |
79072805 | 305 | { |
7c474504 | 306 | volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 307 | HV *hv; |
4d1ff10f | 308 | #ifdef USE_5005THREADS |
cea2e8a9 | 309 | dTHX; |
4d1ff10f | 310 | #endif /* USE_5005THREADS */ |
8990e307 | 311 | |
7766f137 GS |
312 | /* wait for all pseudo-forked children to finish */ |
313 | PERL_WAIT_FOR_CHILDREN; | |
314 | ||
3280af22 | 315 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
316 | #ifdef DEBUGGING |
317 | { | |
318 | char *s; | |
155aba94 | 319 | if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) { |
5f05dabc | 320 | int i = atoi(s); |
321 | if (destruct_level < i) | |
322 | destruct_level = i; | |
323 | } | |
4633a7c4 LW |
324 | } |
325 | #endif | |
326 | ||
31d77e54 AB |
327 | |
328 | if(PL_exit_flags & PERL_EXIT_DESTRUCT_END) { | |
f3faeb53 AB |
329 | dJMPENV; |
330 | int x = 0; | |
331 | ||
332 | JMPENV_PUSH(x); | |
333 | if (PL_endav && !PL_minus_c) | |
334 | call_list(PL_scopestack_ix, PL_endav); | |
335 | JMPENV_POP; | |
26f423df | 336 | } |
f3faeb53 | 337 | LEAVE; |
a0d0e21e LW |
338 | FREETMPS; |
339 | ||
e00b64d4 | 340 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 341 | my_fflush_all(); |
e00b64d4 | 342 | |
62375a60 NIS |
343 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
344 | /* Threads hook has vetoed further cleanup */ | |
b47cad08 | 345 | return STATUS_NATIVE_EXPORT; |
62375a60 NIS |
346 | } |
347 | ||
ff0cee69 | 348 | /* We must account for everything. */ |
349 | ||
350 | /* Destroy the main CV and syntax tree */ | |
3280af22 | 351 | if (PL_main_root) { |
3280af22 NIS |
352 | op_free(PL_main_root); |
353 | PL_main_root = Nullop; | |
a0d0e21e | 354 | } |
3280af22 NIS |
355 | PL_curcop = &PL_compiling; |
356 | PL_main_start = Nullop; | |
357 | SvREFCNT_dec(PL_main_cv); | |
358 | PL_main_cv = Nullcv; | |
24d3c518 | 359 | PL_dirty = TRUE; |
ff0cee69 | 360 | |
13621cfb NIS |
361 | /* Tell PerlIO we are about to tear things apart in case |
362 | we have layers which are using resources that should | |
363 | be cleaned up now. | |
364 | */ | |
365 | ||
366 | PerlIO_destruct(aTHX); | |
367 | ||
3280af22 | 368 | if (PL_sv_objcount) { |
a0d0e21e LW |
369 | /* |
370 | * Try to destruct global references. We do this first so that the | |
371 | * destructors and destructees still exist. Some sv's might remain. | |
372 | * Non-referenced objects are on their own. | |
373 | */ | |
a0d0e21e | 374 | sv_clean_objs(); |
8990e307 LW |
375 | } |
376 | ||
5cd24f17 | 377 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
378 | SvREFCNT_dec(PL_warnhook); |
379 | PL_warnhook = Nullsv; | |
380 | SvREFCNT_dec(PL_diehook); | |
381 | PL_diehook = Nullsv; | |
5cd24f17 | 382 | |
4b556e6c | 383 | /* call exit list functions */ |
3280af22 | 384 | while (PL_exitlistlen-- > 0) |
acfe0abc | 385 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 386 | |
3280af22 | 387 | Safefree(PL_exitlist); |
4b556e6c | 388 | |
a0d0e21e | 389 | if (destruct_level == 0){ |
8990e307 | 390 | |
a0d0e21e | 391 | DEBUG_P(debprofdump()); |
ac27b0f5 | 392 | |
56a2bab7 NIS |
393 | #if defined(PERLIO_LAYERS) |
394 | /* No more IO - including error messages ! */ | |
395 | PerlIO_cleanup(aTHX); | |
396 | #endif | |
397 | ||
a0d0e21e | 398 | /* The exit() function will do everything that needs doing. */ |
b47cad08 | 399 | return STATUS_NATIVE_EXPORT; |
a0d0e21e | 400 | } |
5dd60ef7 | 401 | |
551a8b83 | 402 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
403 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
404 | * so we certainly shouldn't free it here | |
405 | */ | |
406 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) | |
4efc5df6 GS |
407 | if (environ != PL_origenviron |
408 | #ifdef USE_ITHREADS | |
409 | /* only main thread can free environ[0] contents */ | |
410 | && PL_curinterp == aTHX | |
411 | #endif | |
412 | ) | |
413 | { | |
551a8b83 JH |
414 | I32 i; |
415 | ||
416 | for (i = 0; environ[i]; i++) | |
4b420006 | 417 | safesysfree(environ[i]); |
0631ea03 | 418 | |
4b420006 JH |
419 | /* Must use safesysfree() when working with environ. */ |
420 | safesysfree(environ); | |
551a8b83 JH |
421 | |
422 | environ = PL_origenviron; | |
423 | } | |
424 | #endif | |
425 | ||
5f8cb046 DM |
426 | #ifdef USE_ITHREADS |
427 | /* the syntax tree is shared between clones | |
428 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
429 | * REGEXPs in the parent interpreter | |
430 | * we need to manually ReREFCNT_dec for the clones | |
431 | */ | |
432 | { | |
433 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
434 | SV **ary = AvARRAY(PL_regex_padav); | |
435 | ||
436 | while (i) { | |
35061a7e | 437 | SV *resv = ary[--i]; |
ba89bb6e | 438 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); |
35061a7e DM |
439 | |
440 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 441 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
442 | * flag is set in regexec.c:S_regtry |
443 | */ | |
444 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 445 | } |
1cc8b4c5 AB |
446 | else if(SvREPADTMP(resv)) { |
447 | SvREPADTMP_off(resv); | |
448 | } | |
35061a7e | 449 | else { |
5f8cb046 DM |
450 | ReREFCNT_dec(re); |
451 | } | |
452 | } | |
453 | } | |
454 | SvREFCNT_dec(PL_regex_padav); | |
455 | PL_regex_padav = Nullav; | |
456 | PL_regex_pad = NULL; | |
457 | #endif | |
458 | ||
5f05dabc | 459 | /* loosen bonds of global variables */ |
460 | ||
3280af22 NIS |
461 | if(PL_rsfp) { |
462 | (void)PerlIO_close(PL_rsfp); | |
463 | PL_rsfp = Nullfp; | |
8ebc5c01 | 464 | } |
465 | ||
466 | /* Filters for program text */ | |
3280af22 NIS |
467 | SvREFCNT_dec(PL_rsfp_filters); |
468 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 469 | |
470 | /* switches */ | |
3280af22 NIS |
471 | PL_preprocess = FALSE; |
472 | PL_minus_n = FALSE; | |
473 | PL_minus_p = FALSE; | |
474 | PL_minus_l = FALSE; | |
475 | PL_minus_a = FALSE; | |
476 | PL_minus_F = FALSE; | |
477 | PL_doswitches = FALSE; | |
599cee73 | 478 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
479 | PL_doextract = FALSE; |
480 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
481 | PL_unsafe = FALSE; |
482 | ||
483 | Safefree(PL_inplace); | |
484 | PL_inplace = Nullch; | |
a7cb1f99 | 485 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
486 | |
487 | if (PL_e_script) { | |
488 | SvREFCNT_dec(PL_e_script); | |
489 | PL_e_script = Nullsv; | |
8ebc5c01 | 490 | } |
491 | ||
bc0a45ed DM |
492 | while (--PL_origargc >= 0) { |
493 | Safefree(PL_origargv[PL_origargc]); | |
494 | } | |
495 | Safefree(PL_origargv); | |
496 | ||
8ebc5c01 | 497 | /* magical thingies */ |
498 | ||
7889fe52 NIS |
499 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
500 | PL_ofs_sv = Nullsv; | |
5f05dabc | 501 | |
7889fe52 NIS |
502 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
503 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 504 | |
3280af22 NIS |
505 | SvREFCNT_dec(PL_rs); /* $/ */ |
506 | PL_rs = Nullsv; | |
dc92893f | 507 | |
d33b2eba GS |
508 | PL_multiline = 0; /* $* */ |
509 | Safefree(PL_osname); /* $^O */ | |
510 | PL_osname = Nullch; | |
5f05dabc | 511 | |
3280af22 NIS |
512 | SvREFCNT_dec(PL_statname); |
513 | PL_statname = Nullsv; | |
514 | PL_statgv = Nullgv; | |
5f05dabc | 515 | |
8ebc5c01 | 516 | /* defgv, aka *_ should be taken care of elsewhere */ |
517 | ||
8ebc5c01 | 518 | /* clean up after study() */ |
3280af22 NIS |
519 | SvREFCNT_dec(PL_lastscream); |
520 | PL_lastscream = Nullsv; | |
521 | Safefree(PL_screamfirst); | |
522 | PL_screamfirst = 0; | |
523 | Safefree(PL_screamnext); | |
524 | PL_screamnext = 0; | |
8ebc5c01 | 525 | |
7d5ea4e7 GS |
526 | /* float buffer */ |
527 | Safefree(PL_efloatbuf); | |
528 | PL_efloatbuf = Nullch; | |
529 | PL_efloatsize = 0; | |
530 | ||
8ebc5c01 | 531 | /* startup and shutdown function lists */ |
3280af22 | 532 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 533 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 534 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 535 | SvREFCNT_dec(PL_checkav); |
ece599bd | 536 | SvREFCNT_dec(PL_checkav_save); |
3280af22 NIS |
537 | SvREFCNT_dec(PL_initav); |
538 | PL_beginav = Nullav; | |
5a837c8f | 539 | PL_beginav_save = Nullav; |
3280af22 | 540 | PL_endav = Nullav; |
7d30b5c4 | 541 | PL_checkav = Nullav; |
ece599bd | 542 | PL_checkav_save = Nullav; |
3280af22 | 543 | PL_initav = Nullav; |
5618dfe8 | 544 | |
8ebc5c01 | 545 | /* shortcuts just get cleared */ |
3280af22 | 546 | PL_envgv = Nullgv; |
3280af22 NIS |
547 | PL_incgv = Nullgv; |
548 | PL_hintgv = Nullgv; | |
549 | PL_errgv = Nullgv; | |
550 | PL_argvgv = Nullgv; | |
551 | PL_argvoutgv = Nullgv; | |
552 | PL_stdingv = Nullgv; | |
bf49b057 | 553 | PL_stderrgv = Nullgv; |
3280af22 NIS |
554 | PL_last_in_gv = Nullgv; |
555 | PL_replgv = Nullgv; | |
5c831c24 | 556 | PL_debstash = Nullhv; |
8ebc5c01 | 557 | |
558 | /* reset so print() ends up where we expect */ | |
559 | setdefout(Nullgv); | |
5c831c24 | 560 | |
7a1c5554 GS |
561 | SvREFCNT_dec(PL_argvout_stack); |
562 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 563 | |
5c831c24 GS |
564 | SvREFCNT_dec(PL_modglobal); |
565 | PL_modglobal = Nullhv; | |
566 | SvREFCNT_dec(PL_preambleav); | |
567 | PL_preambleav = Nullav; | |
568 | SvREFCNT_dec(PL_subname); | |
569 | PL_subname = Nullsv; | |
570 | SvREFCNT_dec(PL_linestr); | |
571 | PL_linestr = Nullsv; | |
572 | SvREFCNT_dec(PL_pidstatus); | |
573 | PL_pidstatus = Nullhv; | |
574 | SvREFCNT_dec(PL_toptarget); | |
575 | PL_toptarget = Nullsv; | |
576 | SvREFCNT_dec(PL_bodytarget); | |
577 | PL_bodytarget = Nullsv; | |
578 | PL_formtarget = Nullsv; | |
579 | ||
d33b2eba | 580 | /* free locale stuff */ |
b9582b6a | 581 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
582 | Safefree(PL_collation_name); |
583 | PL_collation_name = Nullch; | |
b9582b6a | 584 | #endif |
d33b2eba | 585 | |
b9582b6a | 586 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
587 | Safefree(PL_numeric_name); |
588 | PL_numeric_name = Nullch; | |
a453c169 | 589 | SvREFCNT_dec(PL_numeric_radix_sv); |
b9582b6a | 590 | #endif |
d33b2eba | 591 | |
5c831c24 GS |
592 | /* clear utf8 character classes */ |
593 | SvREFCNT_dec(PL_utf8_alnum); | |
594 | SvREFCNT_dec(PL_utf8_alnumc); | |
595 | SvREFCNT_dec(PL_utf8_ascii); | |
596 | SvREFCNT_dec(PL_utf8_alpha); | |
597 | SvREFCNT_dec(PL_utf8_space); | |
598 | SvREFCNT_dec(PL_utf8_cntrl); | |
599 | SvREFCNT_dec(PL_utf8_graph); | |
600 | SvREFCNT_dec(PL_utf8_digit); | |
601 | SvREFCNT_dec(PL_utf8_upper); | |
602 | SvREFCNT_dec(PL_utf8_lower); | |
603 | SvREFCNT_dec(PL_utf8_print); | |
604 | SvREFCNT_dec(PL_utf8_punct); | |
605 | SvREFCNT_dec(PL_utf8_xdigit); | |
606 | SvREFCNT_dec(PL_utf8_mark); | |
607 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 608 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 609 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 610 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
611 | SvREFCNT_dec(PL_utf8_idstart); |
612 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
613 | PL_utf8_alnum = Nullsv; |
614 | PL_utf8_alnumc = Nullsv; | |
615 | PL_utf8_ascii = Nullsv; | |
616 | PL_utf8_alpha = Nullsv; | |
617 | PL_utf8_space = Nullsv; | |
618 | PL_utf8_cntrl = Nullsv; | |
619 | PL_utf8_graph = Nullsv; | |
620 | PL_utf8_digit = Nullsv; | |
621 | PL_utf8_upper = Nullsv; | |
622 | PL_utf8_lower = Nullsv; | |
623 | PL_utf8_print = Nullsv; | |
624 | PL_utf8_punct = Nullsv; | |
625 | PL_utf8_xdigit = Nullsv; | |
626 | PL_utf8_mark = Nullsv; | |
627 | PL_utf8_toupper = Nullsv; | |
628 | PL_utf8_totitle = Nullsv; | |
629 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 630 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
631 | PL_utf8_idstart = Nullsv; |
632 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 633 | |
971a9dd3 GS |
634 | if (!specialWARN(PL_compiling.cop_warnings)) |
635 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 636 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
637 | if (!specialCopIO(PL_compiling.cop_io)) |
638 | SvREFCNT_dec(PL_compiling.cop_io); | |
639 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
640 | CopFILE_free(&PL_compiling); |
641 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 642 | |
a0d0e21e | 643 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 644 | |
3280af22 NIS |
645 | hv = PL_defstash; |
646 | PL_defstash = 0; | |
a0d0e21e | 647 | SvREFCNT_dec(hv); |
5c831c24 GS |
648 | SvREFCNT_dec(PL_curstname); |
649 | PL_curstname = Nullsv; | |
a0d0e21e | 650 | |
5a844595 GS |
651 | /* clear queued errors */ |
652 | SvREFCNT_dec(PL_errors); | |
653 | PL_errors = Nullsv; | |
654 | ||
a0d0e21e | 655 | FREETMPS; |
0453d815 | 656 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 657 | if (PL_scopestack_ix != 0) |
9014280d | 658 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 659 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
660 | (long)PL_scopestack_ix); |
661 | if (PL_savestack_ix != 0) | |
9014280d | 662 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 663 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
664 | (long)PL_savestack_ix); |
665 | if (PL_tmps_floor != -1) | |
9014280d | 666 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 667 | (long)PL_tmps_floor + 1); |
a0d0e21e | 668 | if (cxstack_ix != -1) |
9014280d | 669 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 670 | (long)cxstack_ix + 1); |
a0d0e21e | 671 | } |
8990e307 LW |
672 | |
673 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 674 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 675 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
676 | |
677 | /* the 2 is for PL_fdpid and PL_strtab */ | |
678 | while (PL_sv_count > 2 && sv_clean_all()) | |
679 | ; | |
680 | ||
d33b2eba GS |
681 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
682 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
683 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
684 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 685 | |
d4777f27 GS |
686 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
687 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
688 | PL_fdpid = Nullav; |
689 | ||
6c644e78 GS |
690 | #ifdef HAVE_INTERP_INTERN |
691 | sys_intern_clear(); | |
692 | #endif | |
693 | ||
6e72f9df | 694 | /* Destruct the global string table. */ |
695 | { | |
696 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
697 | * so that sv_free() won't fail on them. | |
698 | */ | |
699 | I32 riter; | |
700 | I32 max; | |
701 | HE *hent; | |
702 | HE **array; | |
703 | ||
704 | riter = 0; | |
3280af22 NIS |
705 | max = HvMAX(PL_strtab); |
706 | array = HvARRAY(PL_strtab); | |
6e72f9df | 707 | hent = array[0]; |
708 | for (;;) { | |
0453d815 | 709 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
9014280d | 710 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 711 | "Unbalanced string table refcount: (%d) for \"%s\"", |
6e72f9df | 712 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
713 | HeVAL(hent) = Nullsv; | |
714 | hent = HeNEXT(hent); | |
715 | } | |
716 | if (!hent) { | |
717 | if (++riter > max) | |
718 | break; | |
719 | hent = array[riter]; | |
720 | } | |
721 | } | |
722 | } | |
3280af22 | 723 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 724 | |
e652bb2f | 725 | #ifdef USE_ITHREADS |
a0739874 DM |
726 | /* free the pointer table used for cloning */ |
727 | ptr_table_free(PL_ptr_table); | |
53186e96 | 728 | #endif |
a0739874 | 729 | |
d33b2eba GS |
730 | /* free special SVs */ |
731 | ||
732 | SvREFCNT(&PL_sv_yes) = 0; | |
733 | sv_clear(&PL_sv_yes); | |
734 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 735 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
736 | |
737 | SvREFCNT(&PL_sv_no) = 0; | |
738 | sv_clear(&PL_sv_no); | |
739 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 740 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 741 | |
9f375a43 DM |
742 | { |
743 | int i; | |
744 | for (i=0; i<=2; i++) { | |
745 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
746 | sv_clear(PERL_DEBUG_PAD(i)); | |
747 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
748 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
749 | } | |
750 | } | |
751 | ||
0453d815 | 752 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 753 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 754 | |
56a2bab7 | 755 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
756 | /* No more IO - including error messages ! */ |
757 | PerlIO_cleanup(aTHX); | |
758 | #endif | |
759 | ||
9f4bd222 NIS |
760 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
761 | as currently layers use it rather than Nullsv as a marker | |
762 | for no arg - and will try and SvREFCNT_dec it. | |
763 | */ | |
764 | SvREFCNT(&PL_sv_undef) = 0; | |
765 | SvREADONLY_off(&PL_sv_undef); | |
766 | ||
3280af22 | 767 | Safefree(PL_origfilename); |
3280af22 | 768 | Safefree(PL_reg_start_tmp); |
5c5e4c24 IZ |
769 | if (PL_reg_curpm) |
770 | Safefree(PL_reg_curpm); | |
82ba1be6 | 771 | Safefree(PL_reg_poscache); |
3280af22 NIS |
772 | Safefree(HeKEY_hek(&PL_hv_fetch_ent_mh)); |
773 | Safefree(PL_op_mask); | |
cf36064f GS |
774 | Safefree(PL_psig_ptr); |
775 | Safefree(PL_psig_name); | |
2c2666fc | 776 | Safefree(PL_bitcount); |
ce08f86c | 777 | Safefree(PL_psig_pend); |
6e72f9df | 778 | nuke_stacks(); |
3280af22 | 779 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
ac27b0f5 | 780 | |
a0d0e21e | 781 | DEBUG_P(debprofdump()); |
d33b2eba | 782 | |
e5dd39fc | 783 | #ifdef USE_REENTRANT_API |
10bc17b6 | 784 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
785 | #endif |
786 | ||
612f20c3 GS |
787 | sv_free_arenas(); |
788 | ||
fc36a67e | 789 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
790 | ||
3280af22 | 791 | if (PL_mess_sv) { |
9c63abab GS |
792 | /* it could have accumulated taint magic */ |
793 | if (SvTYPE(PL_mess_sv) >= SVt_PVMG) { | |
794 | MAGIC* mg; | |
795 | MAGIC* moremagic; | |
796 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
797 | moremagic = mg->mg_moremagic; | |
14befaf4 DM |
798 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global |
799 | && mg->mg_len >= 0) | |
9c63abab GS |
800 | Safefree(mg->mg_ptr); |
801 | Safefree(mg); | |
802 | } | |
803 | } | |
fc36a67e | 804 | /* we know that type >= SVt_PV */ |
155aba94 | 805 | (void)SvOOK_off(PL_mess_sv); |
3280af22 NIS |
806 | Safefree(SvPVX(PL_mess_sv)); |
807 | Safefree(SvANY(PL_mess_sv)); | |
808 | Safefree(PL_mess_sv); | |
809 | PL_mess_sv = Nullsv; | |
fc36a67e | 810 | } |
31d77e54 | 811 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
812 | } |
813 | ||
954c1994 GS |
814 | /* |
815 | =for apidoc perl_free | |
816 | ||
817 | Releases a Perl interpreter. See L<perlembed>. | |
818 | ||
819 | =cut | |
820 | */ | |
821 | ||
79072805 | 822 | void |
0cb96387 | 823 | perl_free(pTHXx) |
79072805 | 824 | { |
acfe0abc | 825 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 826 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
827 | # ifdef NETWARE |
828 | void *host = nw_internal_host; | |
829 | # else | |
830 | void *host = w32_internal_host; | |
831 | # endif | |
ce3e5b80 | 832 | PerlMem_free(aTHXx); |
acfe0abc | 833 | # ifdef NETWARE |
011f1a1a | 834 | nw_delete_internal_host(host); |
acfe0abc GS |
835 | # else |
836 | win32_delete_internal_host(host); | |
837 | # endif | |
1c0ca838 GS |
838 | # else |
839 | PerlMem_free(aTHXx); | |
840 | # endif | |
acfe0abc GS |
841 | #else |
842 | PerlMem_free(aTHXx); | |
76e3520e | 843 | #endif |
79072805 LW |
844 | } |
845 | ||
4b556e6c | 846 | void |
864dbfa3 | 847 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 848 | { |
3280af22 NIS |
849 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
850 | PL_exitlist[PL_exitlistlen].fn = fn; | |
851 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
852 | ++PL_exitlistlen; | |
4b556e6c JD |
853 | } |
854 | ||
954c1994 GS |
855 | /* |
856 | =for apidoc perl_parse | |
857 | ||
858 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
859 | ||
860 | =cut | |
861 | */ | |
862 | ||
79072805 | 863 | int |
0cb96387 | 864 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 865 | { |
6224f72b | 866 | I32 oldscope; |
6224f72b | 867 | int ret; |
db36c5a1 | 868 | dJMPENV; |
4d1ff10f | 869 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
870 | dTHX; |
871 | #endif | |
8d063cd8 | 872 | |
a687059c LW |
873 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
874 | #ifdef IAMSUID | |
875 | #undef IAMSUID | |
cea2e8a9 | 876 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
877 | setuid perl scripts securely.\n"); |
878 | #endif | |
879 | #endif | |
880 | ||
3280af22 | 881 | PL_origargc = argc; |
bc0a45ed DM |
882 | { |
883 | /* we copy rather than point to argv | |
884 | * since perl_clone will copy and perl_destruct | |
3a1ee7e8 | 885 | * has no way of knowing if we've made a copy or |
bc0a45ed DM |
886 | * just point to argv |
887 | */ | |
888 | int i = PL_origargc; | |
889 | New(0, PL_origargv, i+1, char*); | |
890 | PL_origargv[i] = '\0'; | |
891 | while (i-- > 0) { | |
892 | PL_origargv[i] = savepv(argv[i]); | |
893 | } | |
894 | } | |
895 | ||
0631ea03 | 896 | |
a0d0e21e | 897 | |
3280af22 | 898 | if (PL_do_undump) { |
a0d0e21e LW |
899 | |
900 | /* Come here if running an undumped a.out. */ | |
901 | ||
3280af22 NIS |
902 | PL_origfilename = savepv(argv[0]); |
903 | PL_do_undump = FALSE; | |
a0d0e21e | 904 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 905 | init_ids(); |
a0d0e21e LW |
906 | init_postdump_symbols(argc,argv,env); |
907 | return 0; | |
908 | } | |
909 | ||
3280af22 | 910 | if (PL_main_root) { |
3280af22 NIS |
911 | op_free(PL_main_root); |
912 | PL_main_root = Nullop; | |
ff0cee69 | 913 | } |
3280af22 NIS |
914 | PL_main_start = Nullop; |
915 | SvREFCNT_dec(PL_main_cv); | |
916 | PL_main_cv = Nullcv; | |
79072805 | 917 | |
3280af22 NIS |
918 | time(&PL_basetime); |
919 | oldscope = PL_scopestack_ix; | |
599cee73 | 920 | PL_dowarn = G_WARN_OFF; |
f86702cc | 921 | |
14dd3ad8 GS |
922 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
923 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vparse_body), env, xsinit); | |
924 | #else | |
925 | JMPENV_PUSH(ret); | |
926 | #endif | |
6224f72b | 927 | switch (ret) { |
312caa8e | 928 | case 0: |
14dd3ad8 GS |
929 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
930 | parse_body(env,xsinit); | |
931 | #endif | |
7d30b5c4 GS |
932 | if (PL_checkav) |
933 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
934 | ret = 0; |
935 | break; | |
6224f72b GS |
936 | case 1: |
937 | STATUS_ALL_FAILURE; | |
938 | /* FALL THROUGH */ | |
939 | case 2: | |
940 | /* my_exit() was called */ | |
3280af22 | 941 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
942 | LEAVE; |
943 | FREETMPS; | |
3280af22 | 944 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
945 | if (PL_checkav) |
946 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
947 | ret = STATUS_NATIVE_EXPORT; |
948 | break; | |
6224f72b | 949 | case 3: |
bf49b057 | 950 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
951 | ret = 1; |
952 | break; | |
6224f72b | 953 | } |
14dd3ad8 GS |
954 | JMPENV_POP; |
955 | return ret; | |
956 | } | |
957 | ||
958 | #ifdef PERL_FLEXIBLE_EXCEPTIONS | |
959 | STATIC void * | |
960 | S_vparse_body(pTHX_ va_list args) | |
961 | { | |
962 | char **env = va_arg(args, char**); | |
963 | XSINIT_t xsinit = va_arg(args, XSINIT_t); | |
964 | ||
965 | return parse_body(env, xsinit); | |
312caa8e | 966 | } |
14dd3ad8 | 967 | #endif |
312caa8e CS |
968 | |
969 | STATIC void * | |
14dd3ad8 | 970 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 971 | { |
312caa8e CS |
972 | int argc = PL_origargc; |
973 | char **argv = PL_origargv; | |
312caa8e CS |
974 | char *scriptname = NULL; |
975 | int fdscript = -1; | |
976 | VOL bool dosearch = FALSE; | |
977 | char *validarg = ""; | |
312caa8e CS |
978 | register SV *sv; |
979 | register char *s; | |
cf756827 | 980 | char *cddir = Nullch; |
312caa8e | 981 | |
3280af22 | 982 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 983 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
984 | SAVEFREESV(sv); |
985 | init_main_stash(); | |
54310121 | 986 | |
6224f72b GS |
987 | for (argc--,argv++; argc > 0; argc--,argv++) { |
988 | if (argv[0][0] != '-' || !argv[0][1]) | |
989 | break; | |
990 | #ifdef DOSUID | |
991 | if (*validarg) | |
992 | validarg = " PHOOEY "; | |
993 | else | |
994 | validarg = argv[0]; | |
13281fa4 | 995 | #endif |
6224f72b GS |
996 | s = argv[0]+1; |
997 | reswitch: | |
998 | switch (*s) { | |
729a02f2 GS |
999 | case 'C': |
1000 | #ifdef WIN32 | |
c0932edc | 1001 | win32_argv2utf8(argc-1, argv+1); |
729a02f2 GS |
1002 | /* FALL THROUGH */ |
1003 | #endif | |
1d5472a9 GS |
1004 | #ifndef PERL_STRICT_CR |
1005 | case '\r': | |
1006 | #endif | |
6224f72b GS |
1007 | case ' ': |
1008 | case '0': | |
1009 | case 'F': | |
1010 | case 'a': | |
1011 | case 'c': | |
1012 | case 'd': | |
1013 | case 'D': | |
1014 | case 'h': | |
1015 | case 'i': | |
1016 | case 'l': | |
1017 | case 'M': | |
1018 | case 'm': | |
1019 | case 'n': | |
1020 | case 'p': | |
1021 | case 's': | |
1022 | case 'u': | |
1023 | case 'U': | |
1024 | case 'v': | |
599cee73 PM |
1025 | case 'W': |
1026 | case 'X': | |
6224f72b | 1027 | case 'w': |
155aba94 | 1028 | if ((s = moreswitches(s))) |
6224f72b GS |
1029 | goto reswitch; |
1030 | break; | |
33b78306 | 1031 | |
1dbad523 | 1032 | case 't': |
317ea90d MS |
1033 | if( !PL_tainting ) { |
1034 | PL_taint_warn = TRUE; | |
1035 | PL_tainting = TRUE; | |
1036 | } | |
1037 | s++; | |
1038 | goto reswitch; | |
6224f72b | 1039 | case 'T': |
3280af22 | 1040 | PL_tainting = TRUE; |
317ea90d | 1041 | PL_taint_warn = FALSE; |
6224f72b GS |
1042 | s++; |
1043 | goto reswitch; | |
f86702cc | 1044 | |
6224f72b | 1045 | case 'e': |
bf4acbe4 GS |
1046 | #ifdef MACOS_TRADITIONAL |
1047 | /* ignore -e for Dev:Pseudo argument */ | |
1048 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1049 | break; |
bf4acbe4 | 1050 | #endif |
3280af22 | 1051 | if (PL_euid != PL_uid || PL_egid != PL_gid) |
cea2e8a9 | 1052 | Perl_croak(aTHX_ "No -e allowed in setuid scripts"); |
3280af22 | 1053 | if (!PL_e_script) { |
79cb57f6 | 1054 | PL_e_script = newSVpvn("",0); |
0cb96387 | 1055 | filter_add(read_e_script, NULL); |
6224f72b GS |
1056 | } |
1057 | if (*++s) | |
3280af22 | 1058 | sv_catpv(PL_e_script, s); |
6224f72b | 1059 | else if (argv[1]) { |
3280af22 | 1060 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1061 | argc--,argv++; |
1062 | } | |
1063 | else | |
cea2e8a9 | 1064 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 1065 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 1066 | break; |
afe37c7d | 1067 | |
6224f72b GS |
1068 | case 'I': /* -I handled both here and in moreswitches() */ |
1069 | forbid_setid("-I"); | |
1070 | if (!*++s && (s=argv[1]) != Nullch) { | |
1071 | argc--,argv++; | |
1072 | } | |
6224f72b | 1073 | if (s && *s) { |
0df16ed7 GS |
1074 | char *p; |
1075 | STRLEN len = strlen(s); | |
1076 | p = savepvn(s, len); | |
9c8a64f0 | 1077 | incpush(p, TRUE, TRUE); |
0df16ed7 GS |
1078 | sv_catpvn(sv, "-I", 2); |
1079 | sv_catpvn(sv, p, len); | |
1080 | sv_catpvn(sv, " ", 1); | |
6224f72b | 1081 | Safefree(p); |
0df16ed7 GS |
1082 | } |
1083 | else | |
a67e862a | 1084 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1085 | break; |
1086 | case 'P': | |
1087 | forbid_setid("-P"); | |
3280af22 | 1088 | PL_preprocess = TRUE; |
6224f72b GS |
1089 | s++; |
1090 | goto reswitch; | |
1091 | case 'S': | |
1092 | forbid_setid("-S"); | |
1093 | dosearch = TRUE; | |
1094 | s++; | |
1095 | goto reswitch; | |
1096 | case 'V': | |
3280af22 NIS |
1097 | if (!PL_preambleav) |
1098 | PL_preambleav = newAV(); | |
1099 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1100 | if (*++s != ':') { |
3280af22 | 1101 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1102 | #ifdef VMS |
6b88bc9c | 1103 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1104 | #else |
3280af22 | 1105 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1106 | #endif |
3280af22 | 1107 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1108 | # ifdef DEBUGGING |
3280af22 | 1109 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1110 | # endif |
6224f72b | 1111 | # ifdef MULTIPLICITY |
8f872242 | 1112 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1113 | # endif |
4d1ff10f AB |
1114 | # ifdef USE_5005THREADS |
1115 | sv_catpv(PL_Sv," USE_5005THREADS"); | |
b363f7ed | 1116 | # endif |
ac5e8965 JH |
1117 | # ifdef USE_ITHREADS |
1118 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1119 | # endif | |
10cc9d2a JH |
1120 | # ifdef USE_64_BIT_INT |
1121 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1122 | # endif | |
1123 | # ifdef USE_64_BIT_ALL | |
1124 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1125 | # endif |
1126 | # ifdef USE_LONG_DOUBLE | |
1127 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1128 | # endif | |
53430762 JH |
1129 | # ifdef USE_LARGE_FILES |
1130 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1131 | # endif | |
ac5e8965 JH |
1132 | # ifdef USE_SOCKS |
1133 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1134 | # endif | |
b363f7ed GS |
1135 | # ifdef PERL_IMPLICIT_CONTEXT |
1136 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1137 | # endif | |
1138 | # ifdef PERL_IMPLICIT_SYS | |
1139 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1140 | # endif | |
3280af22 | 1141 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1142 | |
6224f72b GS |
1143 | #if defined(LOCAL_PATCH_COUNT) |
1144 | if (LOCAL_PATCH_COUNT > 0) { | |
1145 | int i; | |
3280af22 | 1146 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1147 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1148 | if (PL_localpatches[i]) |
cea2e8a9 | 1149 | Perl_sv_catpvf(aTHX_ PL_Sv,"q\" \t%s\n\",",PL_localpatches[i]); |
6224f72b GS |
1150 | } |
1151 | } | |
1152 | #endif | |
cea2e8a9 | 1153 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1154 | #ifdef __DATE__ |
1155 | # ifdef __TIME__ | |
cea2e8a9 | 1156 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1157 | # else |
cea2e8a9 | 1158 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1159 | # endif |
1160 | #endif | |
3280af22 | 1161 | sv_catpv(PL_Sv, "; \ |
6224f72b | 1162 | $\"=\"\\n \"; \ |
69fcd688 JH |
1163 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; "); |
1164 | #ifdef __CYGWIN__ | |
1165 | sv_catpv(PL_Sv,"\ | |
1166 | push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); | |
1167 | #endif | |
1168 | sv_catpv(PL_Sv, "\ | |
6224f72b GS |
1169 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
1170 | print \" \\@INC:\\n @INC\\n\";"); | |
1171 | } | |
1172 | else { | |
3280af22 NIS |
1173 | PL_Sv = newSVpv("config_vars(qw(",0); |
1174 | sv_catpv(PL_Sv, ++s); | |
1175 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1176 | s += strlen(s); |
1177 | } | |
3280af22 | 1178 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1179 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1180 | goto reswitch; | |
1181 | case 'x': | |
3280af22 | 1182 | PL_doextract = TRUE; |
6224f72b GS |
1183 | s++; |
1184 | if (*s) | |
f4c556ac | 1185 | cddir = s; |
6224f72b GS |
1186 | break; |
1187 | case 0: | |
1188 | break; | |
1189 | case '-': | |
1190 | if (!*++s || isSPACE(*s)) { | |
1191 | argc--,argv++; | |
1192 | goto switch_end; | |
1193 | } | |
1194 | /* catch use of gnu style long options */ | |
1195 | if (strEQ(s, "version")) { | |
1196 | s = "v"; | |
1197 | goto reswitch; | |
1198 | } | |
1199 | if (strEQ(s, "help")) { | |
1200 | s = "h"; | |
1201 | goto reswitch; | |
1202 | } | |
1203 | s--; | |
1204 | /* FALL THROUGH */ | |
1205 | default: | |
cea2e8a9 | 1206 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1207 | } |
1208 | } | |
6224f72b | 1209 | switch_end: |
7f9e821f | 1210 | sv_setsv(get_sv("/", TRUE), PL_rs); |
54310121 | 1211 | |
f675dbe5 CB |
1212 | if ( |
1213 | #ifndef SECURE_INTERNAL_GETENV | |
1214 | !PL_tainting && | |
1215 | #endif | |
cf756827 | 1216 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1217 | { |
cf756827 | 1218 | char *popt = s; |
74288ac8 GS |
1219 | while (isSPACE(*s)) |
1220 | s++; | |
317ea90d | 1221 | if (*s == '-' && *(s+1) == 'T') { |
74288ac8 | 1222 | PL_tainting = TRUE; |
317ea90d MS |
1223 | PL_taint_warn = FALSE; |
1224 | } | |
74288ac8 | 1225 | else { |
cf756827 | 1226 | char *popt_copy = Nullch; |
74288ac8 | 1227 | while (s && *s) { |
4ea8f8fb | 1228 | char *d; |
74288ac8 GS |
1229 | while (isSPACE(*s)) |
1230 | s++; | |
1231 | if (*s == '-') { | |
1232 | s++; | |
1233 | if (isSPACE(*s)) | |
1234 | continue; | |
1235 | } | |
4ea8f8fb | 1236 | d = s; |
74288ac8 GS |
1237 | if (!*s) |
1238 | break; | |
1c4db469 | 1239 | if (!strchr("DIMUdmtw", *s)) |
cea2e8a9 | 1240 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1241 | while (++s && *s) { |
1242 | if (isSPACE(*s)) { | |
cf756827 GS |
1243 | if (!popt_copy) { |
1244 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1245 | s = popt_copy + (s - popt); | |
1246 | d = popt_copy + (d - popt); | |
1247 | } | |
4ea8f8fb MS |
1248 | *s++ = '\0'; |
1249 | break; | |
1250 | } | |
1251 | } | |
1c4db469 | 1252 | if (*d == 't') { |
317ea90d MS |
1253 | if( !PL_tainting ) { |
1254 | PL_taint_warn = TRUE; | |
1255 | PL_tainting = TRUE; | |
1256 | } | |
1c4db469 RGS |
1257 | } else { |
1258 | moreswitches(d); | |
1259 | } | |
6224f72b | 1260 | } |
6224f72b GS |
1261 | } |
1262 | } | |
a0d0e21e | 1263 | |
317ea90d MS |
1264 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
1265 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
1266 | } | |
1267 | ||
6224f72b GS |
1268 | if (!scriptname) |
1269 | scriptname = argv[0]; | |
3280af22 | 1270 | if (PL_e_script) { |
6224f72b GS |
1271 | argc++,argv--; |
1272 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1273 | } | |
1274 | else if (scriptname == Nullch) { | |
1275 | #ifdef MSDOS | |
1276 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1277 | moreswitches("h"); | |
1278 | #endif | |
1279 | scriptname = "-"; | |
1280 | } | |
1281 | ||
1282 | init_perllib(); | |
1283 | ||
1284 | open_script(scriptname,dosearch,sv,&fdscript); | |
1285 | ||
1286 | validate_suid(validarg, scriptname,fdscript); | |
1287 | ||
64ca3a65 | 1288 | #ifndef PERL_MICRO |
0b5b802d GS |
1289 | #if defined(SIGCHLD) || defined(SIGCLD) |
1290 | { | |
1291 | #ifndef SIGCHLD | |
1292 | # define SIGCHLD SIGCLD | |
1293 | #endif | |
1294 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1295 | if (sigstate == SIG_IGN) { | |
1296 | if (ckWARN(WARN_SIGNAL)) | |
9014280d | 1297 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
1298 | "Can't ignore signal CHLD, forcing to default"); |
1299 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1300 | } | |
1301 | } | |
1302 | #endif | |
64ca3a65 | 1303 | #endif |
0b5b802d | 1304 | |
bf4acbe4 GS |
1305 | #ifdef MACOS_TRADITIONAL |
1306 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
1307 | #else | |
f4c556ac | 1308 | if (PL_doextract) { |
bf4acbe4 | 1309 | #endif |
6224f72b | 1310 | find_beginning(); |
f4c556ac GS |
1311 | if (cddir && PerlDir_chdir(cddir) < 0) |
1312 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
1313 | ||
1314 | } | |
6224f72b | 1315 | |
3280af22 NIS |
1316 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1317 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1318 | CvUNIQUE_on(PL_compcv); | |
1319 | ||
dd2155a4 | 1320 | CvPADLIST(PL_compcv) = pad_new(0); |
4d1ff10f | 1321 | #ifdef USE_5005THREADS |
533c011a NIS |
1322 | CvOWNER(PL_compcv) = 0; |
1323 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1324 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
4d1ff10f | 1325 | #endif /* USE_5005THREADS */ |
6224f72b | 1326 | |
0c4f7ff0 | 1327 | boot_core_PerlIO(); |
6224f72b | 1328 | boot_core_UNIVERSAL(); |
9a34ef1d | 1329 | #ifndef PERL_MICRO |
09bef843 | 1330 | boot_core_xsutils(); |
9a34ef1d | 1331 | #endif |
6224f72b GS |
1332 | |
1333 | if (xsinit) | |
acfe0abc | 1334 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 1335 | #ifndef PERL_MICRO |
ed79a026 | 1336 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) |
c5be433b | 1337 | init_os_extras(); |
6224f72b | 1338 | #endif |
64ca3a65 | 1339 | #endif |
6224f72b | 1340 | |
29209bc5 | 1341 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
1342 | # ifdef HAS_SOCKS5_INIT |
1343 | socks5_init(argv[0]); | |
1344 | # else | |
29209bc5 | 1345 | SOCKSinit(argv[0]); |
1b9c9cf5 | 1346 | # endif |
ac27b0f5 | 1347 | #endif |
29209bc5 | 1348 | |
6224f72b GS |
1349 | init_predump_symbols(); |
1350 | /* init_postdump_symbols not currently designed to be called */ | |
1351 | /* more than once (ENV isn't cleared first, for example) */ | |
1352 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1353 | if (!PL_do_undump) |
6224f72b GS |
1354 | init_postdump_symbols(argc,argv,env); |
1355 | ||
085a54d9 JH |
1356 | /* PL_wantutf8 is conditionally turned on by |
1357 | * locale.c:Perl_init_i18nl10n() if the environment | |
1358 | * look like the user wants to use UTF-8. */ | |
b310b053 JH |
1359 | if (PL_wantutf8) { /* Requires init_predump_symbols(). */ |
1360 | IO* io; | |
1361 | PerlIO* fp; | |
1362 | SV* sv; | |
085a54d9 JH |
1363 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
1364 | * _and_ the default open discipline. */ | |
b310b053 JH |
1365 | if (PL_stdingv && (io = GvIO(PL_stdingv)) && (fp = IoIFP(io))) |
1366 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1367 | if (PL_defoutgv && (io = GvIO(PL_defoutgv)) && (fp = IoOFP(io))) | |
1368 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1369 | if (PL_stderrgv && (io = GvIO(PL_stderrgv)) && (fp = IoOFP(io))) | |
1370 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1371 | if ((sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) { | |
1372 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
1373 | SvSETMAGIC(sv); | |
1374 | } | |
1375 | } | |
1376 | ||
6224f72b GS |
1377 | init_lexer(); |
1378 | ||
1379 | /* now parse the script */ | |
1380 | ||
93189314 | 1381 | SETERRNO(0,SS_NORMAL); |
3280af22 | 1382 | PL_error_count = 0; |
bf4acbe4 GS |
1383 | #ifdef MACOS_TRADITIONAL |
1384 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
1385 | if (PL_minus_c) | |
1386 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
1387 | else { | |
1388 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
1389 | MacPerl_MPWFileName(PL_origfilename)); | |
1390 | } | |
1391 | } | |
1392 | #else | |
3280af22 NIS |
1393 | if (yyparse() || PL_error_count) { |
1394 | if (PL_minus_c) | |
cea2e8a9 | 1395 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1396 | else { |
cea2e8a9 | 1397 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1398 | PL_origfilename); |
6224f72b GS |
1399 | } |
1400 | } | |
bf4acbe4 | 1401 | #endif |
57843af0 | 1402 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1403 | PL_curstash = PL_defstash; |
1404 | PL_preprocess = FALSE; | |
1405 | if (PL_e_script) { | |
1406 | SvREFCNT_dec(PL_e_script); | |
1407 | PL_e_script = Nullsv; | |
6224f72b GS |
1408 | } |
1409 | ||
3280af22 | 1410 | if (PL_do_undump) |
6224f72b GS |
1411 | my_unexec(); |
1412 | ||
57843af0 GS |
1413 | if (isWARN_ONCE) { |
1414 | SAVECOPFILE(PL_curcop); | |
1415 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1416 | gv_check(PL_defstash); |
57843af0 | 1417 | } |
6224f72b GS |
1418 | |
1419 | LEAVE; | |
1420 | FREETMPS; | |
1421 | ||
1422 | #ifdef MYMALLOC | |
1423 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1424 | dump_mstats("after compilation:"); | |
1425 | #endif | |
1426 | ||
1427 | ENTER; | |
3280af22 | 1428 | PL_restartop = 0; |
312caa8e | 1429 | return NULL; |
6224f72b GS |
1430 | } |
1431 | ||
954c1994 GS |
1432 | /* |
1433 | =for apidoc perl_run | |
1434 | ||
1435 | Tells a Perl interpreter to run. See L<perlembed>. | |
1436 | ||
1437 | =cut | |
1438 | */ | |
1439 | ||
6224f72b | 1440 | int |
0cb96387 | 1441 | perl_run(pTHXx) |
6224f72b | 1442 | { |
6224f72b | 1443 | I32 oldscope; |
14dd3ad8 | 1444 | int ret = 0; |
db36c5a1 | 1445 | dJMPENV; |
4d1ff10f | 1446 | #ifdef USE_5005THREADS |
cea2e8a9 GS |
1447 | dTHX; |
1448 | #endif | |
6224f72b | 1449 | |
3280af22 | 1450 | oldscope = PL_scopestack_ix; |
96e176bf CL |
1451 | #ifdef VMS |
1452 | VMSISH_HUSHED = 0; | |
1453 | #endif | |
6224f72b | 1454 | |
14dd3ad8 | 1455 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1456 | redo_body: |
14dd3ad8 GS |
1457 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vrun_body), oldscope); |
1458 | #else | |
1459 | JMPENV_PUSH(ret); | |
1460 | #endif | |
6224f72b GS |
1461 | switch (ret) { |
1462 | case 1: | |
1463 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1464 | goto redo_body; |
14dd3ad8 GS |
1465 | case 0: /* normal completion */ |
1466 | #ifndef PERL_FLEXIBLE_EXCEPTIONS | |
1467 | redo_body: | |
1468 | run_body(oldscope); | |
1469 | #endif | |
1470 | /* FALL THROUGH */ | |
1471 | case 2: /* my_exit() */ | |
3280af22 | 1472 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1473 | LEAVE; |
1474 | FREETMPS; | |
3280af22 | 1475 | PL_curstash = PL_defstash; |
3a1ee7e8 | 1476 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
1477 | PL_endav && !PL_minus_c) |
1478 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1479 | #ifdef MYMALLOC |
1480 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1481 | dump_mstats("after execution: "); | |
1482 | #endif | |
14dd3ad8 GS |
1483 | ret = STATUS_NATIVE_EXPORT; |
1484 | break; | |
6224f72b | 1485 | case 3: |
312caa8e CS |
1486 | if (PL_restartop) { |
1487 | POPSTACK_TO(PL_mainstack); | |
1488 | goto redo_body; | |
6224f72b | 1489 | } |
bf49b057 | 1490 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1491 | FREETMPS; |
14dd3ad8 GS |
1492 | ret = 1; |
1493 | break; | |
6224f72b GS |
1494 | } |
1495 | ||
14dd3ad8 GS |
1496 | JMPENV_POP; |
1497 | return ret; | |
312caa8e CS |
1498 | } |
1499 | ||
14dd3ad8 | 1500 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1501 | STATIC void * |
14dd3ad8 | 1502 | S_vrun_body(pTHX_ va_list args) |
312caa8e | 1503 | { |
312caa8e CS |
1504 | I32 oldscope = va_arg(args, I32); |
1505 | ||
14dd3ad8 GS |
1506 | return run_body(oldscope); |
1507 | } | |
1508 | #endif | |
1509 | ||
1510 | ||
1511 | STATIC void * | |
1512 | S_run_body(pTHX_ I32 oldscope) | |
1513 | { | |
6224f72b | 1514 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 1515 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 1516 | |
3280af22 | 1517 | if (!PL_restartop) { |
6224f72b GS |
1518 | DEBUG_x(dump_all()); |
1519 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
1520 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
1521 | PTR2UV(thr))); | |
6224f72b | 1522 | |
3280af22 | 1523 | if (PL_minus_c) { |
bf4acbe4 | 1524 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
1525 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
1526 | (gMacPerl_ErrorFormat ? "# " : ""), | |
1527 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 1528 | #else |
bf49b057 | 1529 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 1530 | #endif |
6224f72b GS |
1531 | my_exit(0); |
1532 | } | |
3280af22 | 1533 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 1534 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
1535 | if (PL_initav) |
1536 | call_list(oldscope, PL_initav); | |
6224f72b GS |
1537 | } |
1538 | ||
1539 | /* do it */ | |
1540 | ||
3280af22 | 1541 | if (PL_restartop) { |
533c011a | 1542 | PL_op = PL_restartop; |
3280af22 | 1543 | PL_restartop = 0; |
cea2e8a9 | 1544 | CALLRUNOPS(aTHX); |
6224f72b | 1545 | } |
3280af22 NIS |
1546 | else if (PL_main_start) { |
1547 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 1548 | PL_op = PL_main_start; |
cea2e8a9 | 1549 | CALLRUNOPS(aTHX); |
6224f72b GS |
1550 | } |
1551 | ||
f6b3007c JH |
1552 | my_exit(0); |
1553 | /* NOTREACHED */ | |
312caa8e | 1554 | return NULL; |
6224f72b GS |
1555 | } |
1556 | ||
954c1994 | 1557 | /* |
ccfc67b7 JH |
1558 | =head1 SV Manipulation Functions |
1559 | ||
954c1994 GS |
1560 | =for apidoc p||get_sv |
1561 | ||
1562 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
1563 | Perl variable does not exist then it will be created. If C<create> is not | |
1564 | set and the variable does not exist then NULL is returned. | |
1565 | ||
1566 | =cut | |
1567 | */ | |
1568 | ||
6224f72b | 1569 | SV* |
864dbfa3 | 1570 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
1571 | { |
1572 | GV *gv; | |
4d1ff10f | 1573 | #ifdef USE_5005THREADS |
6224f72b GS |
1574 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1575 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 1576 | if (tmp != NOT_IN_PAD) |
6224f72b | 1577 | return THREADSV(tmp); |
6224f72b | 1578 | } |
4d1ff10f | 1579 | #endif /* USE_5005THREADS */ |
6224f72b GS |
1580 | gv = gv_fetchpv(name, create, SVt_PV); |
1581 | if (gv) | |
1582 | return GvSV(gv); | |
1583 | return Nullsv; | |
1584 | } | |
1585 | ||
954c1994 | 1586 | /* |
ccfc67b7 JH |
1587 | =head1 Array Manipulation Functions |
1588 | ||
954c1994 GS |
1589 | =for apidoc p||get_av |
1590 | ||
1591 | Returns the AV of the specified Perl array. If C<create> is set and the | |
1592 | Perl variable does not exist then it will be created. If C<create> is not | |
1593 | set and the variable does not exist then NULL is returned. | |
1594 | ||
1595 | =cut | |
1596 | */ | |
1597 | ||
6224f72b | 1598 | AV* |
864dbfa3 | 1599 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
1600 | { |
1601 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1602 | if (create) | |
1603 | return GvAVn(gv); | |
1604 | if (gv) | |
1605 | return GvAV(gv); | |
1606 | return Nullav; | |
1607 | } | |
1608 | ||
954c1994 | 1609 | /* |
ccfc67b7 JH |
1610 | =head1 Hash Manipulation Functions |
1611 | ||
954c1994 GS |
1612 | =for apidoc p||get_hv |
1613 | ||
1614 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
1615 | Perl variable does not exist then it will be created. If C<create> is not | |
1616 | set and the variable does not exist then NULL is returned. | |
1617 | ||
1618 | =cut | |
1619 | */ | |
1620 | ||
6224f72b | 1621 | HV* |
864dbfa3 | 1622 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 1623 | { |
a0d0e21e LW |
1624 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1625 | if (create) | |
1626 | return GvHVn(gv); | |
1627 | if (gv) | |
1628 | return GvHV(gv); | |
1629 | return Nullhv; | |
1630 | } | |
1631 | ||
954c1994 | 1632 | /* |
ccfc67b7 JH |
1633 | =head1 CV Manipulation Functions |
1634 | ||
954c1994 GS |
1635 | =for apidoc p||get_cv |
1636 | ||
1637 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
1638 | the Perl subroutine does not exist then it will be declared (which has the | |
1639 | same effect as saying C<sub name;>). If C<create> is not set and the | |
1640 | subroutine does not exist then NULL is returned. | |
1641 | ||
1642 | =cut | |
1643 | */ | |
1644 | ||
a0d0e21e | 1645 | CV* |
864dbfa3 | 1646 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
1647 | { |
1648 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 1649 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
1650 | /* XXX this is probably not what they think they're getting. |
1651 | * It has the same effect as "sub name;", i.e. just a forward | |
1652 | * declaration! */ | |
8ebc5c01 | 1653 | if (create && !GvCVu(gv)) |
774d564b | 1654 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1655 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1656 | Nullop, |
a0d0e21e LW |
1657 | Nullop); |
1658 | if (gv) | |
8ebc5c01 | 1659 | return GvCVu(gv); |
a0d0e21e LW |
1660 | return Nullcv; |
1661 | } | |
1662 | ||
79072805 LW |
1663 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1664 | ||
954c1994 | 1665 | /* |
ccfc67b7 JH |
1666 | |
1667 | =head1 Callback Functions | |
1668 | ||
954c1994 GS |
1669 | =for apidoc p||call_argv |
1670 | ||
1671 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1672 | ||
1673 | =cut | |
1674 | */ | |
1675 | ||
a0d0e21e | 1676 | I32 |
864dbfa3 | 1677 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 1678 | |
8ac85365 NIS |
1679 | /* See G_* flags in cop.h */ |
1680 | /* null terminated arg list */ | |
8990e307 | 1681 | { |
a0d0e21e | 1682 | dSP; |
8990e307 | 1683 | |
924508f0 | 1684 | PUSHMARK(SP); |
a0d0e21e | 1685 | if (argv) { |
8990e307 | 1686 | while (*argv) { |
a0d0e21e | 1687 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1688 | argv++; |
1689 | } | |
a0d0e21e | 1690 | PUTBACK; |
8990e307 | 1691 | } |
864dbfa3 | 1692 | return call_pv(sub_name, flags); |
8990e307 LW |
1693 | } |
1694 | ||
954c1994 GS |
1695 | /* |
1696 | =for apidoc p||call_pv | |
1697 | ||
1698 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
1699 | ||
1700 | =cut | |
1701 | */ | |
1702 | ||
a0d0e21e | 1703 | I32 |
864dbfa3 | 1704 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
1705 | /* name of the subroutine */ |
1706 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1707 | { |
864dbfa3 | 1708 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1709 | } |
1710 | ||
954c1994 GS |
1711 | /* |
1712 | =for apidoc p||call_method | |
1713 | ||
1714 | Performs a callback to the specified Perl method. The blessed object must | |
1715 | be on the stack. See L<perlcall>. | |
1716 | ||
1717 | =cut | |
1718 | */ | |
1719 | ||
a0d0e21e | 1720 | I32 |
864dbfa3 | 1721 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
1722 | /* name of the subroutine */ |
1723 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1724 | { |
968b3946 | 1725 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
1726 | } |
1727 | ||
1728 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
1729 | /* |
1730 | =for apidoc p||call_sv | |
1731 | ||
1732 | Performs a callback to the Perl sub whose name is in the SV. See | |
1733 | L<perlcall>. | |
1734 | ||
1735 | =cut | |
1736 | */ | |
1737 | ||
a0d0e21e | 1738 | I32 |
864dbfa3 | 1739 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 1740 | /* See G_* flags in cop.h */ |
a0d0e21e | 1741 | { |
924508f0 | 1742 | dSP; |
a0d0e21e | 1743 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 1744 | UNOP method_op; |
aa689395 | 1745 | I32 oldmark; |
13689cfe | 1746 | volatile I32 retval = 0; |
a0d0e21e | 1747 | I32 oldscope; |
54310121 | 1748 | bool oldcatch = CATCH_GET; |
6224f72b | 1749 | int ret; |
533c011a | 1750 | OP* oldop = PL_op; |
db36c5a1 | 1751 | dJMPENV; |
1e422769 | 1752 | |
a0d0e21e LW |
1753 | if (flags & G_DISCARD) { |
1754 | ENTER; | |
1755 | SAVETMPS; | |
1756 | } | |
1757 | ||
aa689395 | 1758 | Zero(&myop, 1, LOGOP); |
54310121 | 1759 | myop.op_next = Nullop; |
f51d4af5 | 1760 | if (!(flags & G_NOARGS)) |
aa689395 | 1761 | myop.op_flags |= OPf_STACKED; |
54310121 | 1762 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1763 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1764 | OPf_WANT_SCALAR); | |
462e5cf6 | 1765 | SAVEOP(); |
533c011a | 1766 | PL_op = (OP*)&myop; |
aa689395 | 1767 | |
3280af22 NIS |
1768 | EXTEND(PL_stack_sp, 1); |
1769 | *++PL_stack_sp = sv; | |
aa689395 | 1770 | oldmark = TOPMARK; |
3280af22 | 1771 | oldscope = PL_scopestack_ix; |
a0d0e21e | 1772 | |
3280af22 | 1773 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 1774 | /* Handle first BEGIN of -d. */ |
3280af22 | 1775 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 1776 | /* Try harder, since this may have been a sighandler, thus |
1777 | * curstash may be meaningless. */ | |
3280af22 | 1778 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 1779 | && !(flags & G_NODEBUG)) |
533c011a | 1780 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 1781 | |
968b3946 GS |
1782 | if (flags & G_METHOD) { |
1783 | Zero(&method_op, 1, UNOP); | |
1784 | method_op.op_next = PL_op; | |
1785 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
1786 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 1787 | PL_op = (OP*)&method_op; |
968b3946 GS |
1788 | } |
1789 | ||
312caa8e | 1790 | if (!(flags & G_EVAL)) { |
0cdb2077 | 1791 | CATCH_SET(TRUE); |
14dd3ad8 | 1792 | call_body((OP*)&myop, FALSE); |
312caa8e | 1793 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 1794 | CATCH_SET(oldcatch); |
312caa8e CS |
1795 | } |
1796 | else { | |
d78bda3d | 1797 | myop.op_other = (OP*)&myop; |
3280af22 | 1798 | PL_markstack_ptr--; |
4633a7c4 LW |
1799 | /* we're trying to emulate pp_entertry() here */ |
1800 | { | |
c09156bb | 1801 | register PERL_CONTEXT *cx; |
54310121 | 1802 | I32 gimme = GIMME_V; |
ac27b0f5 | 1803 | |
4633a7c4 LW |
1804 | ENTER; |
1805 | SAVETMPS; | |
ac27b0f5 | 1806 | |
968b3946 | 1807 | push_return(Nullop); |
1d76a5c3 | 1808 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 1809 | PUSHEVAL(cx, 0, 0); |
533c011a | 1810 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 1811 | |
faef0170 | 1812 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 1813 | if (flags & G_KEEPERR) |
faef0170 | 1814 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 1815 | else |
38a03e6e | 1816 | sv_setpv(ERRSV,""); |
4633a7c4 | 1817 | } |
3280af22 | 1818 | PL_markstack_ptr++; |
a0d0e21e | 1819 | |
14dd3ad8 GS |
1820 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
1821 | redo_body: | |
1822 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), | |
db36c5a1 | 1823 | (OP*)&myop, FALSE); |
14dd3ad8 GS |
1824 | #else |
1825 | JMPENV_PUSH(ret); | |
1826 | #endif | |
6224f72b GS |
1827 | switch (ret) { |
1828 | case 0: | |
14dd3ad8 GS |
1829 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1830 | redo_body: | |
1831 | call_body((OP*)&myop, FALSE); | |
1832 | #endif | |
312caa8e CS |
1833 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1834 | if (!(flags & G_KEEPERR)) | |
1835 | sv_setpv(ERRSV,""); | |
a0d0e21e | 1836 | break; |
6224f72b | 1837 | case 1: |
f86702cc | 1838 | STATUS_ALL_FAILURE; |
a0d0e21e | 1839 | /* FALL THROUGH */ |
6224f72b | 1840 | case 2: |
a0d0e21e | 1841 | /* my_exit() was called */ |
3280af22 | 1842 | PL_curstash = PL_defstash; |
a0d0e21e | 1843 | FREETMPS; |
14dd3ad8 | 1844 | JMPENV_POP; |
cc3604b1 | 1845 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1846 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1847 | my_exit_jump(); |
a0d0e21e | 1848 | /* NOTREACHED */ |
6224f72b | 1849 | case 3: |
3280af22 | 1850 | if (PL_restartop) { |
533c011a | 1851 | PL_op = PL_restartop; |
3280af22 | 1852 | PL_restartop = 0; |
312caa8e | 1853 | goto redo_body; |
a0d0e21e | 1854 | } |
3280af22 | 1855 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1856 | if (flags & G_ARRAY) |
1857 | retval = 0; | |
1858 | else { | |
1859 | retval = 1; | |
3280af22 | 1860 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 1861 | } |
312caa8e | 1862 | break; |
a0d0e21e | 1863 | } |
a0d0e21e | 1864 | |
3280af22 | 1865 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
1866 | SV **newsp; |
1867 | PMOP *newpm; | |
1868 | I32 gimme; | |
c09156bb | 1869 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1870 | I32 optype; |
1871 | ||
1872 | POPBLOCK(cx,newpm); | |
1873 | POPEVAL(cx); | |
1874 | pop_return(); | |
3280af22 | 1875 | PL_curpm = newpm; |
a0a2876f | 1876 | LEAVE; |
a0d0e21e | 1877 | } |
14dd3ad8 | 1878 | JMPENV_POP; |
a0d0e21e | 1879 | } |
1e422769 | 1880 | |
a0d0e21e | 1881 | if (flags & G_DISCARD) { |
3280af22 | 1882 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
1883 | retval = 0; |
1884 | FREETMPS; | |
1885 | LEAVE; | |
1886 | } | |
533c011a | 1887 | PL_op = oldop; |
a0d0e21e LW |
1888 | return retval; |
1889 | } | |
1890 | ||
14dd3ad8 | 1891 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1892 | STATIC void * |
14dd3ad8 | 1893 | S_vcall_body(pTHX_ va_list args) |
312caa8e CS |
1894 | { |
1895 | OP *myop = va_arg(args, OP*); | |
1896 | int is_eval = va_arg(args, int); | |
1897 | ||
14dd3ad8 | 1898 | call_body(myop, is_eval); |
312caa8e CS |
1899 | return NULL; |
1900 | } | |
14dd3ad8 | 1901 | #endif |
312caa8e CS |
1902 | |
1903 | STATIC void | |
14dd3ad8 | 1904 | S_call_body(pTHX_ OP *myop, int is_eval) |
312caa8e | 1905 | { |
312caa8e CS |
1906 | if (PL_op == myop) { |
1907 | if (is_eval) | |
f807eda9 | 1908 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 1909 | else |
f807eda9 | 1910 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
1911 | } |
1912 | if (PL_op) | |
cea2e8a9 | 1913 | CALLRUNOPS(aTHX); |
312caa8e CS |
1914 | } |
1915 | ||
6e72f9df | 1916 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1917 | |
954c1994 GS |
1918 | /* |
1919 | =for apidoc p||eval_sv | |
1920 | ||
1921 | Tells Perl to C<eval> the string in the SV. | |
1922 | ||
1923 | =cut | |
1924 | */ | |
1925 | ||
a0d0e21e | 1926 | I32 |
864dbfa3 | 1927 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 1928 | |
8ac85365 | 1929 | /* See G_* flags in cop.h */ |
a0d0e21e | 1930 | { |
924508f0 | 1931 | dSP; |
a0d0e21e | 1932 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 1933 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 1934 | volatile I32 retval = 0; |
4633a7c4 | 1935 | I32 oldscope; |
6224f72b | 1936 | int ret; |
533c011a | 1937 | OP* oldop = PL_op; |
db36c5a1 | 1938 | dJMPENV; |
84902520 | 1939 | |
4633a7c4 LW |
1940 | if (flags & G_DISCARD) { |
1941 | ENTER; | |
1942 | SAVETMPS; | |
1943 | } | |
1944 | ||
462e5cf6 | 1945 | SAVEOP(); |
533c011a NIS |
1946 | PL_op = (OP*)&myop; |
1947 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
1948 | EXTEND(PL_stack_sp, 1); |
1949 | *++PL_stack_sp = sv; | |
1950 | oldscope = PL_scopestack_ix; | |
79072805 | 1951 | |
4633a7c4 LW |
1952 | if (!(flags & G_NOARGS)) |
1953 | myop.op_flags = OPf_STACKED; | |
79072805 | 1954 | myop.op_next = Nullop; |
6e72f9df | 1955 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1956 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1957 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1958 | OPf_WANT_SCALAR); | |
6e72f9df | 1959 | if (flags & G_KEEPERR) |
1960 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1961 | |
14dd3ad8 | 1962 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 1963 | redo_body: |
14dd3ad8 | 1964 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_body), |
db36c5a1 | 1965 | (OP*)&myop, TRUE); |
14dd3ad8 GS |
1966 | #else |
1967 | JMPENV_PUSH(ret); | |
1968 | #endif | |
6224f72b GS |
1969 | switch (ret) { |
1970 | case 0: | |
14dd3ad8 GS |
1971 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
1972 | redo_body: | |
1973 | call_body((OP*)&myop,TRUE); | |
1974 | #endif | |
312caa8e CS |
1975 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
1976 | if (!(flags & G_KEEPERR)) | |
1977 | sv_setpv(ERRSV,""); | |
4633a7c4 | 1978 | break; |
6224f72b | 1979 | case 1: |
f86702cc | 1980 | STATUS_ALL_FAILURE; |
4633a7c4 | 1981 | /* FALL THROUGH */ |
6224f72b | 1982 | case 2: |
4633a7c4 | 1983 | /* my_exit() was called */ |
3280af22 | 1984 | PL_curstash = PL_defstash; |
4633a7c4 | 1985 | FREETMPS; |
14dd3ad8 | 1986 | JMPENV_POP; |
cc3604b1 | 1987 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 1988 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 1989 | my_exit_jump(); |
4633a7c4 | 1990 | /* NOTREACHED */ |
6224f72b | 1991 | case 3: |
3280af22 | 1992 | if (PL_restartop) { |
533c011a | 1993 | PL_op = PL_restartop; |
3280af22 | 1994 | PL_restartop = 0; |
312caa8e | 1995 | goto redo_body; |
4633a7c4 | 1996 | } |
3280af22 | 1997 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
1998 | if (flags & G_ARRAY) |
1999 | retval = 0; | |
2000 | else { | |
2001 | retval = 1; | |
3280af22 | 2002 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2003 | } |
312caa8e | 2004 | break; |
4633a7c4 LW |
2005 | } |
2006 | ||
14dd3ad8 | 2007 | JMPENV_POP; |
4633a7c4 | 2008 | if (flags & G_DISCARD) { |
3280af22 | 2009 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2010 | retval = 0; |
2011 | FREETMPS; | |
2012 | LEAVE; | |
2013 | } | |
533c011a | 2014 | PL_op = oldop; |
4633a7c4 LW |
2015 | return retval; |
2016 | } | |
2017 | ||
954c1994 GS |
2018 | /* |
2019 | =for apidoc p||eval_pv | |
2020 | ||
2021 | Tells Perl to C<eval> the given string and return an SV* result. | |
2022 | ||
2023 | =cut | |
2024 | */ | |
2025 | ||
137443ea | 2026 | SV* |
864dbfa3 | 2027 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2028 | { |
2029 | dSP; | |
2030 | SV* sv = newSVpv(p, 0); | |
2031 | ||
864dbfa3 | 2032 | eval_sv(sv, G_SCALAR); |
137443ea | 2033 | SvREFCNT_dec(sv); |
2034 | ||
2035 | SPAGAIN; | |
2036 | sv = POPs; | |
2037 | PUTBACK; | |
2038 | ||
2d8e6c8d GS |
2039 | if (croak_on_error && SvTRUE(ERRSV)) { |
2040 | STRLEN n_a; | |
cea2e8a9 | 2041 | Perl_croak(aTHX_ SvPVx(ERRSV, n_a)); |
2d8e6c8d | 2042 | } |
137443ea | 2043 | |
2044 | return sv; | |
2045 | } | |
2046 | ||
4633a7c4 LW |
2047 | /* Require a module. */ |
2048 | ||
954c1994 | 2049 | /* |
ccfc67b7 JH |
2050 | =head1 Embedding Functions |
2051 | ||
954c1994 GS |
2052 | =for apidoc p||require_pv |
2053 | ||
7d3fb230 BS |
2054 | Tells Perl to C<require> the file named by the string argument. It is |
2055 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2056 | implemented that way; consider using Perl_load_module instead. | |
954c1994 | 2057 | |
7d3fb230 | 2058 | =cut */ |
954c1994 | 2059 | |
4633a7c4 | 2060 | void |
864dbfa3 | 2061 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2062 | { |
d3acc0f7 JP |
2063 | SV* sv; |
2064 | dSP; | |
e788e7d3 | 2065 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
2066 | PUTBACK; |
2067 | sv = sv_newmortal(); | |
4633a7c4 LW |
2068 | sv_setpv(sv, "require '"); |
2069 | sv_catpv(sv, pv); | |
2070 | sv_catpv(sv, "'"); | |
864dbfa3 | 2071 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
2072 | SPAGAIN; |
2073 | POPSTACK; | |
79072805 LW |
2074 | } |
2075 | ||
79072805 | 2076 | void |
864dbfa3 | 2077 | Perl_magicname(pTHX_ char *sym, char *name, I32 namlen) |
79072805 LW |
2078 | { |
2079 | register GV *gv; | |
2080 | ||
155aba94 | 2081 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
14befaf4 | 2082 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2083 | } |
2084 | ||
76e3520e | 2085 | STATIC void |
cea2e8a9 | 2086 | S_usage(pTHX_ char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2087 | { |
ab821d7f | 2088 | /* This message really ought to be max 23 lines. |
75c72d73 | 2089 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2090 | |
76e3520e | 2091 | static char *usage_msg[] = { |
fb73857a | 2092 | "-0[octal] specify record separator (\\0, if no argument)", |
2093 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
46487f74 | 2094 | "-C enable native wide character system interfaces", |
1950ee41 | 2095 | "-c check syntax only (runs BEGIN and CHECK blocks)", |
aac3bd0d GS |
2096 | "-d[:debugger] run program under debugger", |
2097 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2098 | "-e 'command' one line of program (several -e's allowed, omit programfile)", | |
2099 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", | |
2100 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2101 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
fb73857a | 2102 | "-l[octal] enable line ending processing, specifies line terminator", |
aac3bd0d GS |
2103 | "-[mM][-]module execute `use/no module...' before executing program", |
2104 | "-n assume 'while (<>) { ... }' loop around program", | |
2105 | "-p assume loop like -n but print line also, like sed", | |
2106 | "-P run program through C preprocessor before compilation", | |
2107 | "-s enable rudimentary parsing for switches after programfile", | |
2108 | "-S look for programfile using PATH environment variable", | |
2109 | "-T enable tainting checks", | |
9cbc33e8 | 2110 | "-t enable tainting warnings", |
aac3bd0d | 2111 | "-u dump core after parsing program", |
fb73857a | 2112 | "-U allow unsafe operations", |
aac3bd0d GS |
2113 | "-v print version, subversion (includes VERY IMPORTANT perl info)", |
2114 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2115 | "-w enable many useful warnings (RECOMMENDED)", | |
3c0facb2 GS |
2116 | "-W enable all warnings", |
2117 | "-X disable all warnings", | |
fb73857a | 2118 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
2119 | "\n", | |
2120 | NULL | |
2121 | }; | |
76e3520e | 2122 | char **p = usage_msg; |
fb73857a | 2123 | |
b0e47665 GS |
2124 | PerlIO_printf(PerlIO_stdout(), |
2125 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2126 | name); | |
fb73857a | 2127 | while (*p) |
b0e47665 | 2128 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2129 | } |
2130 | ||
79072805 LW |
2131 | /* This routine handles any switches that can be given during run */ |
2132 | ||
2133 | char * | |
864dbfa3 | 2134 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2135 | { |
ba210ebe | 2136 | STRLEN numlen; |
c07a80fd | 2137 | U32 rschar; |
79072805 LW |
2138 | |
2139 | switch (*s) { | |
2140 | case '0': | |
a863c7d1 | 2141 | { |
53305cf1 NC |
2142 | I32 flags = 0; |
2143 | numlen = 4; | |
2144 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
8bfdd7d9 | 2145 | SvREFCNT_dec(PL_rs); |
c07a80fd | 2146 | if (rschar & ~((U8)~0)) |
8bfdd7d9 | 2147 | PL_rs = &PL_sv_undef; |
c07a80fd | 2148 | else if (!rschar && numlen >= 2) |
8bfdd7d9 | 2149 | PL_rs = newSVpvn("", 0); |
c07a80fd | 2150 | else { |
eb160463 | 2151 | char ch = (char)rschar; |
8bfdd7d9 | 2152 | PL_rs = newSVpvn(&ch, 1); |
79072805 LW |
2153 | } |
2154 | return s + numlen; | |
a863c7d1 | 2155 | } |
46487f74 GS |
2156 | case 'C': |
2157 | PL_widesyscalls = TRUE; | |
2158 | s++; | |
2159 | return s; | |
2304df62 | 2160 | case 'F': |
3280af22 | 2161 | PL_minus_F = TRUE; |
ebce5377 RGS |
2162 | PL_splitstr = ++s; |
2163 | while (*s && !isSPACE(*s)) ++s; | |
2164 | *s = '\0'; | |
2165 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2166 | return s; |
79072805 | 2167 | case 'a': |
3280af22 | 2168 | PL_minus_a = TRUE; |
79072805 LW |
2169 | s++; |
2170 | return s; | |
2171 | case 'c': | |
3280af22 | 2172 | PL_minus_c = TRUE; |
79072805 LW |
2173 | s++; |
2174 | return s; | |
2175 | case 'd': | |
bbce6d69 | 2176 | forbid_setid("-d"); |
4633a7c4 | 2177 | s++; |
70c94a19 RR |
2178 | /* The following permits -d:Mod to accepts arguments following an = |
2179 | in the fashion that -MSome::Mod does. */ | |
2180 | if (*s == ':' || *s == '=') { | |
2181 | char *start; | |
2182 | SV *sv; | |
2183 | sv = newSVpv("use Devel::", 0); | |
2184 | start = ++s; | |
2185 | /* We now allow -d:Module=Foo,Bar */ | |
2186 | while(isALNUM(*s) || *s==':') ++s; | |
2187 | if (*s != '=') | |
2188 | sv_catpv(sv, start); | |
2189 | else { | |
2190 | sv_catpvn(sv, start, s-start); | |
2191 | sv_catpv(sv, " split(/,/,q{"); | |
2192 | sv_catpv(sv, ++s); | |
2193 | sv_catpv(sv, "})"); | |
2194 | } | |
4633a7c4 | 2195 | s += strlen(s); |
70c94a19 | 2196 | my_setenv("PERL5DB", SvPV(sv, PL_na)); |
4633a7c4 | 2197 | } |
ed094faf | 2198 | if (!PL_perldb) { |
3280af22 | 2199 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2200 | init_debugger(); |
ed094faf | 2201 | } |
79072805 LW |
2202 | return s; |
2203 | case 'D': | |
0453d815 | 2204 | { |
79072805 | 2205 | #ifdef DEBUGGING |
bbce6d69 | 2206 | forbid_setid("-D"); |
79072805 | 2207 | if (isALPHA(s[1])) { |
04932ac8 | 2208 | /* if adding extra options, remember to update DEBUG_MASK */ |
7bab3ede | 2209 | static char debopts[] = "psltocPmfrxu HXDSTRJvC"; |
79072805 LW |
2210 | char *d; |
2211 | ||
93a17b20 | 2212 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
3280af22 | 2213 | PL_debug |= 1 << (d - debopts); |
79072805 LW |
2214 | } |
2215 | else { | |
3280af22 | 2216 | PL_debug = atoi(s+1); |
79072805 LW |
2217 | for (s++; isDIGIT(*s); s++) ; |
2218 | } | |
2ac72d6e | 2219 | #ifdef EBCDIC |
12a43e32 JH |
2220 | if (DEBUG_p_TEST_ && ckWARN_d(WARN_DEBUGGING)) |
2221 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2222 | "-Dp not implemented on this platform\n"); | |
2223 | #endif | |
aea4f609 | 2224 | PL_debug |= DEBUG_TOP_FLAG; |
12a43e32 | 2225 | #else /* !DEBUGGING */ |
0453d815 | 2226 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 2227 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
0453d815 | 2228 | "Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e | 2229 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
2230 | #endif |
2231 | /*SUPPRESS 530*/ | |
2232 | return s; | |
0453d815 | 2233 | } |
4633a7c4 | 2234 | case 'h': |
ac27b0f5 | 2235 | usage(PL_origargv[0]); |
7ca617d0 | 2236 | my_exit(0); |
79072805 | 2237 | case 'i': |
3280af22 NIS |
2238 | if (PL_inplace) |
2239 | Safefree(PL_inplace); | |
c030f24b GH |
2240 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
2241 | if (*(s+1) == '\0') { | |
2242 | PL_inplace = savepv(".bak"); | |
2243 | return s+1; | |
2244 | } | |
2245 | #endif /* __CYGWIN__ */ | |
3280af22 | 2246 | PL_inplace = savepv(s+1); |
79072805 | 2247 | /*SUPPRESS 530*/ |
3280af22 | 2248 | for (s = PL_inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a | 2249 | if (*s) { |
fb73857a | 2250 | *s++ = '\0'; |
7b8d334a GS |
2251 | if (*s == '-') /* Additional switches on #! line. */ |
2252 | s++; | |
2253 | } | |
fb73857a | 2254 | return s; |
4e49a025 | 2255 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 2256 | forbid_setid("-I"); |
fb73857a | 2257 | ++s; |
2258 | while (*s && isSPACE(*s)) | |
2259 | ++s; | |
2260 | if (*s) { | |
774d564b | 2261 | char *e, *p; |
0df16ed7 GS |
2262 | p = s; |
2263 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2264 | do { | |
2265 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2266 | p = e; | |
2267 | while (isSPACE(*p)) | |
2268 | p++; | |
2269 | } while (*p && *p != '-'); | |
2270 | e = savepvn(s, e-s); | |
9c8a64f0 | 2271 | incpush(e, TRUE, TRUE); |
0df16ed7 GS |
2272 | Safefree(e); |
2273 | s = p; | |
2274 | if (*s == '-') | |
2275 | s++; | |
79072805 LW |
2276 | } |
2277 | else | |
a67e862a | 2278 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2279 | return s; |
79072805 | 2280 | case 'l': |
3280af22 | 2281 | PL_minus_l = TRUE; |
79072805 | 2282 | s++; |
7889fe52 NIS |
2283 | if (PL_ors_sv) { |
2284 | SvREFCNT_dec(PL_ors_sv); | |
2285 | PL_ors_sv = Nullsv; | |
2286 | } | |
79072805 | 2287 | if (isDIGIT(*s)) { |
53305cf1 | 2288 | I32 flags = 0; |
7889fe52 | 2289 | PL_ors_sv = newSVpvn("\n",1); |
53305cf1 NC |
2290 | numlen = 3 + (*s == '0'); |
2291 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
2292 | s += numlen; |
2293 | } | |
2294 | else { | |
8bfdd7d9 | 2295 | if (RsPARA(PL_rs)) { |
7889fe52 NIS |
2296 | PL_ors_sv = newSVpvn("\n\n",2); |
2297 | } | |
2298 | else { | |
8bfdd7d9 | 2299 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 2300 | } |
79072805 LW |
2301 | } |
2302 | return s; | |
1a30305b | 2303 | case 'M': |
bbce6d69 | 2304 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2305 | /* FALL THROUGH */ |
2306 | case 'm': | |
bbce6d69 | 2307 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2308 | if (*++s) { |
a5f75d66 | 2309 | char *start; |
11343788 | 2310 | SV *sv; |
a5f75d66 AD |
2311 | char *use = "use "; |
2312 | /* -M-foo == 'no foo' */ | |
2313 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2314 | sv = newSVpv(use,0); |
a5f75d66 | 2315 | start = s; |
1a30305b | 2316 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2317 | while(isALNUM(*s) || *s==':') ++s; |
2318 | if (*s != '=') { | |
11343788 | 2319 | sv_catpv(sv, start); |
c07a80fd | 2320 | if (*(start-1) == 'm') { |
2321 | if (*s != '\0') | |
cea2e8a9 | 2322 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2323 | sv_catpv( sv, " ()"); |
c07a80fd | 2324 | } |
2325 | } else { | |
6df41af2 | 2326 | if (s == start) |
be98fb35 GS |
2327 | Perl_croak(aTHX_ "Module name required with -%c option", |
2328 | s[-1]); | |
11343788 MB |
2329 | sv_catpvn(sv, start, s-start); |
2330 | sv_catpv(sv, " split(/,/,q{"); | |
2331 | sv_catpv(sv, ++s); | |
2332 | sv_catpv(sv, "})"); | |
c07a80fd | 2333 | } |
1a30305b | 2334 | s += strlen(s); |
5c831c24 | 2335 | if (!PL_preambleav) |
3280af22 NIS |
2336 | PL_preambleav = newAV(); |
2337 | av_push(PL_preambleav, sv); | |
1a30305b | 2338 | } |
2339 | else | |
cea2e8a9 | 2340 | Perl_croak(aTHX_ "No space allowed after -%c", *(s-1)); |
1a30305b | 2341 | return s; |
79072805 | 2342 | case 'n': |
3280af22 | 2343 | PL_minus_n = TRUE; |
79072805 LW |
2344 | s++; |
2345 | return s; | |
2346 | case 'p': | |
3280af22 | 2347 | PL_minus_p = TRUE; |
79072805 LW |
2348 | s++; |
2349 | return s; | |
2350 | case 's': | |
bbce6d69 | 2351 | forbid_setid("-s"); |
3280af22 | 2352 | PL_doswitches = TRUE; |
79072805 LW |
2353 | s++; |
2354 | return s; | |
6537fe72 MS |
2355 | case 't': |
2356 | if (!PL_tainting) | |
2357 | Perl_croak(aTHX_ "Too late for \"-t\" option"); | |
2358 | s++; | |
2359 | return s; | |
463ee0b2 | 2360 | case 'T': |
3280af22 | 2361 | if (!PL_tainting) |
cea2e8a9 | 2362 | Perl_croak(aTHX_ "Too late for \"-T\" option"); |
463ee0b2 LW |
2363 | s++; |
2364 | return s; | |
79072805 | 2365 | case 'u': |
bf4acbe4 GS |
2366 | #ifdef MACOS_TRADITIONAL |
2367 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
2368 | #endif | |
3280af22 | 2369 | PL_do_undump = TRUE; |
79072805 LW |
2370 | s++; |
2371 | return s; | |
2372 | case 'U': | |
3280af22 | 2373 | PL_unsafe = TRUE; |
79072805 LW |
2374 | s++; |
2375 | return s; | |
2376 | case 'v': | |
8e9464f1 | 2377 | #if !defined(DGUX) |
b0e47665 | 2378 | PerlIO_printf(PerlIO_stdout(), |
d2560b70 | 2379 | Perl_form(aTHX_ "\nThis is perl, v%"VDf" built for %s", |
b0e47665 | 2380 | PL_patchlevel, ARCHNAME)); |
8e9464f1 JH |
2381 | #else /* DGUX */ |
2382 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
2383 | PerlIO_printf(PerlIO_stdout(), | |
2384 | Perl_form(aTHX_ "\nThis is perl, version %vd\n", PL_patchlevel)); | |
2385 | PerlIO_printf(PerlIO_stdout(), | |
2386 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
2387 | OSNAME, __DATE__, __TIME__)); | |
2388 | PerlIO_printf(PerlIO_stdout(), | |
2389 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 2390 | OSVERS)); |
8e9464f1 JH |
2391 | #endif /* !DGUX */ |
2392 | ||
fb73857a | 2393 | #if defined(LOCAL_PATCH_COUNT) |
2394 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
2395 | PerlIO_printf(PerlIO_stdout(), |
2396 | "\n(with %d registered patch%s, " | |
2397 | "see perl -V for more detail)", | |
2398 | (int)LOCAL_PATCH_COUNT, | |
2399 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 2400 | #endif |
1a30305b | 2401 | |
b0e47665 | 2402 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2403 | "\n\nCopyright 1987-2002, Larry Wall\n"); |
eae9c151 JH |
2404 | #ifdef MACOS_TRADITIONAL |
2405 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 2406 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 2407 | "maintained by Chris Nandor\n"); |
eae9c151 | 2408 | #endif |
79072805 | 2409 | #ifdef MSDOS |
b0e47665 GS |
2410 | PerlIO_printf(PerlIO_stdout(), |
2411 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 2412 | #endif |
2413 | #ifdef DJGPP | |
b0e47665 GS |
2414 | PerlIO_printf(PerlIO_stdout(), |
2415 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
2416 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 2417 | #endif |
79072805 | 2418 | #ifdef OS2 |
b0e47665 GS |
2419 | PerlIO_printf(PerlIO_stdout(), |
2420 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 2421 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2422 | #endif |
79072805 | 2423 | #ifdef atarist |
b0e47665 GS |
2424 | PerlIO_printf(PerlIO_stdout(), |
2425 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 2426 | #endif |
a3f9223b | 2427 | #ifdef __BEOS__ |
b0e47665 GS |
2428 | PerlIO_printf(PerlIO_stdout(), |
2429 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 2430 | #endif |
1d84e8df | 2431 | #ifdef MPE |
b0e47665 | 2432 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2433 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2002\n"); |
1d84e8df | 2434 | #endif |
9d116dd7 | 2435 | #ifdef OEMVS |
b0e47665 GS |
2436 | PerlIO_printf(PerlIO_stdout(), |
2437 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 2438 | #endif |
495c5fdc | 2439 | #ifdef __VOS__ |
b0e47665 | 2440 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 2441 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 2442 | #endif |
092bebab | 2443 | #ifdef __OPEN_VM |
b0e47665 GS |
2444 | PerlIO_printf(PerlIO_stdout(), |
2445 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 2446 | #endif |
a1a0e61e | 2447 | #ifdef POSIX_BC |
b0e47665 GS |
2448 | PerlIO_printf(PerlIO_stdout(), |
2449 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 2450 | #endif |
61ae2fbf | 2451 | #ifdef __MINT__ |
b0e47665 GS |
2452 | PerlIO_printf(PerlIO_stdout(), |
2453 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 2454 | #endif |
f83d2536 | 2455 | #ifdef EPOC |
b0e47665 | 2456 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 2457 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 2458 | #endif |
e1caacb4 | 2459 | #ifdef UNDER_CE |
be3c0a43 | 2460 | printf("WINCE port by Rainer Keuchel, 2001-2002\n"); |
e1caacb4 JH |
2461 | printf("Built on " __DATE__ " " __TIME__ "\n\n"); |
2462 | wce_hitreturn(); | |
2463 | #endif | |
baed7233 DL |
2464 | #ifdef BINARY_BUILD_NOTICE |
2465 | BINARY_BUILD_NOTICE; | |
2466 | #endif | |
b0e47665 GS |
2467 | PerlIO_printf(PerlIO_stdout(), |
2468 | "\n\ | |
79072805 | 2469 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 2470 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 GS |
2471 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
2472 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
2473 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
7ca617d0 | 2474 | my_exit(0); |
79072805 | 2475 | case 'w': |
599cee73 | 2476 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 2477 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
2478 | s++; |
2479 | return s; | |
2480 | case 'W': | |
ac27b0f5 | 2481 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
2482 | if (!specialWARN(PL_compiling.cop_warnings)) |
2483 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2484 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
2485 | s++; |
2486 | return s; | |
2487 | case 'X': | |
ac27b0f5 | 2488 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
2489 | if (!specialWARN(PL_compiling.cop_warnings)) |
2490 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 2491 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
2492 | s++; |
2493 | return s; | |
a0d0e21e | 2494 | case '*': |
79072805 LW |
2495 | case ' ': |
2496 | if (s[1] == '-') /* Additional switches on #! line. */ | |
2497 | return s+2; | |
2498 | break; | |
a0d0e21e | 2499 | case '-': |
79072805 | 2500 | case 0: |
51882d45 | 2501 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
2502 | case '\r': |
2503 | #endif | |
79072805 LW |
2504 | case '\n': |
2505 | case '\t': | |
2506 | break; | |
aa689395 | 2507 | #ifdef ALTERNATE_SHEBANG |
2508 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
2509 | break; | |
2510 | #endif | |
a0d0e21e | 2511 | case 'P': |
3280af22 | 2512 | if (PL_preprocess) |
a0d0e21e LW |
2513 | return s+1; |
2514 | /* FALL THROUGH */ | |
79072805 | 2515 | default: |
cea2e8a9 | 2516 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
2517 | } |
2518 | return Nullch; | |
2519 | } | |
2520 | ||
2521 | /* compliments of Tom Christiansen */ | |
2522 | ||
2523 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 2524 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
2525 | |
2526 | void | |
864dbfa3 | 2527 | Perl_my_unexec(pTHX) |
79072805 LW |
2528 | { |
2529 | #ifdef UNEXEC | |
46fc3d4c | 2530 | SV* prog; |
2531 | SV* file; | |
ee580363 | 2532 | int status = 1; |
79072805 LW |
2533 | extern int etext; |
2534 | ||
ee580363 | 2535 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 2536 | sv_catpv(prog, "/perl"); |
6b88bc9c | 2537 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 2538 | sv_catpv(file, ".perldump"); |
79072805 | 2539 | |
ee580363 GS |
2540 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
2541 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 2542 | PerlProc_exit(status); |
79072805 | 2543 | #else |
a5f75d66 AD |
2544 | # ifdef VMS |
2545 | # include <lib$routines.h> | |
2546 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 2547 | # else |
79072805 | 2548 | ABORT(); /* for use with undump */ |
aa689395 | 2549 | # endif |
a5f75d66 | 2550 | #endif |
79072805 LW |
2551 | } |
2552 | ||
cb68f92d GS |
2553 | /* initialize curinterp */ |
2554 | STATIC void | |
cea2e8a9 | 2555 | S_init_interp(pTHX) |
cb68f92d GS |
2556 | { |
2557 | ||
acfe0abc GS |
2558 | #ifdef MULTIPLICITY |
2559 | # define PERLVAR(var,type) | |
2560 | # define PERLVARA(var,n,type) | |
2561 | # if defined(PERL_IMPLICIT_CONTEXT) | |
2562 | # if defined(USE_5005THREADS) | |
2563 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
c5be433b | 2564 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
2565 | # else /* !USE_5005THREADS */ |
2566 | # define PERLVARI(var,type,init) aTHX->var = init; | |
2567 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
2568 | # endif /* USE_5005THREADS */ | |
3967c732 | 2569 | # else |
acfe0abc GS |
2570 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
2571 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 2572 | # endif |
acfe0abc GS |
2573 | # include "intrpvar.h" |
2574 | # ifndef USE_5005THREADS | |
2575 | # include "thrdvar.h" | |
2576 | # endif | |
2577 | # undef PERLVAR | |
2578 | # undef PERLVARA | |
2579 | # undef PERLVARI | |
2580 | # undef PERLVARIC | |
2581 | #else | |
2582 | # define PERLVAR(var,type) | |
2583 | # define PERLVARA(var,n,type) | |
2584 | # define PERLVARI(var,type,init) PL_##var = init; | |
2585 | # define PERLVARIC(var,type,init) PL_##var = init; | |
2586 | # include "intrpvar.h" | |
2587 | # ifndef USE_5005THREADS | |
2588 | # include "thrdvar.h" | |
2589 | # endif | |
2590 | # undef PERLVAR | |
2591 | # undef PERLVARA | |
2592 | # undef PERLVARI | |
2593 | # undef PERLVARIC | |
cb68f92d GS |
2594 | #endif |
2595 | ||
cb68f92d GS |
2596 | } |
2597 | ||
76e3520e | 2598 | STATIC void |
cea2e8a9 | 2599 | S_init_main_stash(pTHX) |
79072805 | 2600 | { |
463ee0b2 | 2601 | GV *gv; |
6e72f9df | 2602 | |
3280af22 | 2603 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 2604 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
2605 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
2606 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 2607 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 2608 | SvREADONLY_on(gv); |
3280af22 NIS |
2609 | HvNAME(PL_defstash) = savepv("main"); |
2610 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); | |
2611 | GvMULTI_on(PL_incgv); | |
2612 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
2613 | GvMULTI_on(PL_hintgv); | |
2614 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
2615 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
2616 | GvMULTI_on(PL_errgv); | |
2617 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
2618 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 2619 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
2620 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
2621 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 2622 | PL_curstash = PL_defstash; |
11faa288 | 2623 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 2624 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 2625 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 2626 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 2627 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
2628 | } |
2629 | ||
76e3520e | 2630 | STATIC void |
cea2e8a9 | 2631 | S_open_script(pTHX_ char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 2632 | { |
1b24ed4b MS |
2633 | char *quote; |
2634 | char *code; | |
2635 | char *cpp_discard_flag; | |
2636 | char *perl; | |
2637 | ||
6c4ab083 | 2638 | *fdscript = -1; |
79072805 | 2639 | |
3280af22 NIS |
2640 | if (PL_e_script) { |
2641 | PL_origfilename = savepv("-e"); | |
96436eeb | 2642 | } |
6c4ab083 GS |
2643 | else { |
2644 | /* if find_script() returns, it returns a malloc()-ed value */ | |
3280af22 | 2645 | PL_origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
2646 | |
2647 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
2648 | char *s = scriptname + 8; | |
2649 | *fdscript = atoi(s); | |
2650 | while (isDIGIT(*s)) | |
2651 | s++; | |
2652 | if (*s) { | |
2653 | scriptname = savepv(s + 1); | |
3280af22 NIS |
2654 | Safefree(PL_origfilename); |
2655 | PL_origfilename = scriptname; | |
6c4ab083 GS |
2656 | } |
2657 | } | |
2658 | } | |
2659 | ||
05ec9bb3 | 2660 | CopFILE_free(PL_curcop); |
57843af0 | 2661 | CopFILE_set(PL_curcop, PL_origfilename); |
3280af22 | 2662 | if (strEQ(PL_origfilename,"-")) |
79072805 | 2663 | scriptname = ""; |
01f988be | 2664 | if (*fdscript >= 0) { |
3280af22 | 2665 | PL_rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2666 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2667 | if (PL_rsfp) | |
2668 | /* ensure close-on-exec */ | |
2669 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2670 | # endif | |
96436eeb | 2671 | } |
3280af22 | 2672 | else if (PL_preprocess) { |
46fc3d4c | 2673 | char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 2674 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 2675 | SV *cmd = NEWSV(0,0); |
2676 | ||
2677 | if (strEQ(cpp_cfg, "cppstdin")) | |
cea2e8a9 | 2678 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 2679 | sv_catpv(cpp, cpp_cfg); |
79072805 | 2680 | |
1b24ed4b MS |
2681 | # ifndef VMS |
2682 | sv_catpvn(sv, "-I", 2); | |
2683 | sv_catpv(sv,PRIVLIB_EXP); | |
2684 | # endif | |
46fc3d4c | 2685 | |
14953ddc MB |
2686 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2687 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
2688 | scriptname, SvPVX (cpp), SvPVX (sv), CPPMINUS)); | |
1b24ed4b MS |
2689 | |
2690 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
2691 | quote = "\""; | |
2692 | # else | |
2693 | quote = "'"; | |
2694 | # endif | |
2695 | ||
2696 | # ifdef VMS | |
2697 | cpp_discard_flag = ""; | |
2698 | # else | |
2699 | cpp_discard_flag = "-C"; | |
2700 | # endif | |
2701 | ||
2702 | # ifdef OS2 | |
2703 | perl = os2_execname(aTHX); | |
2704 | # else | |
2705 | perl = PL_origargv[0]; | |
2706 | # endif | |
2707 | ||
2708 | ||
2709 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
2710 | the C pre-processor, including #!. #line directives are |
2711 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
2712 | of #line. FWP played some golf with it so it will fit |
2713 | into VMS's 255 character buffer. | |
2714 | */ | |
2715 | if( PL_doextract ) | |
2716 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2717 | else | |
2718 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
2719 | ||
2720 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
2721 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
62375a60 | 2722 | perl, quote, code, quote, scriptname, cpp, |
1b24ed4b MS |
2723 | cpp_discard_flag, sv, CPPMINUS); |
2724 | ||
3280af22 | 2725 | PL_doextract = FALSE; |
1b24ed4b MS |
2726 | # ifdef IAMSUID /* actually, this is caught earlier */ |
2727 | if (PL_euid != PL_uid && !PL_euid) { /* if running suidperl */ | |
2728 | # ifdef HAS_SETEUID | |
2729 | (void)seteuid(PL_uid); /* musn't stay setuid root */ | |
2730 | # else | |
2731 | # ifdef HAS_SETREUID | |
2732 | (void)setreuid((Uid_t)-1, PL_uid); | |
2733 | # else | |
2734 | # ifdef HAS_SETRESUID | |
2735 | (void)setresuid((Uid_t)-1, PL_uid, (Uid_t)-1); | |
2736 | # else | |
2737 | PerlProc_setuid(PL_uid); | |
2738 | # endif | |
2739 | # endif | |
2740 | # endif | |
b28d0864 | 2741 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2742 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
79072805 | 2743 | } |
1b24ed4b | 2744 | # endif /* IAMSUID */ |
0a6c758d | 2745 | |
62375a60 NIS |
2746 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
2747 | "PL_preprocess: cmd=\"%s\"\n", | |
0a6c758d MS |
2748 | SvPVX(cmd))); |
2749 | ||
3280af22 | 2750 | PL_rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2751 | SvREFCNT_dec(cmd); |
2752 | SvREFCNT_dec(cpp); | |
79072805 LW |
2753 | } |
2754 | else if (!*scriptname) { | |
bbce6d69 | 2755 | forbid_setid("program input from stdin"); |
3280af22 | 2756 | PL_rsfp = PerlIO_stdin(); |
79072805 | 2757 | } |
96436eeb | 2758 | else { |
3280af22 | 2759 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
2760 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2761 | if (PL_rsfp) | |
2762 | /* ensure close-on-exec */ | |
2763 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
2764 | # endif | |
96436eeb | 2765 | } |
3280af22 | 2766 | if (!PL_rsfp) { |
1b24ed4b MS |
2767 | # ifdef DOSUID |
2768 | # ifndef IAMSUID /* in case script is not readable before setuid */ | |
2769 | if (PL_euid && | |
2770 | PerlLIO_stat(CopFILE(PL_curcop),&PL_statbuf) >= 0 && | |
2771 | PL_statbuf.st_mode & (S_ISUID|S_ISGID)) | |
2772 | { | |
2773 | /* try again */ | |
62375a60 NIS |
2774 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, |
2775 | BIN_EXP, (int)PERL_REVISION, | |
1b24ed4b MS |
2776 | (int)PERL_VERSION, |
2777 | (int)PERL_SUBVERSION), PL_origargv); | |
2778 | Perl_croak(aTHX_ "Can't do setuid\n"); | |
2779 | } | |
2780 | # endif | |
2781 | # endif | |
2782 | # ifdef IAMSUID | |
2783 | errno = EPERM; | |
2784 | Perl_croak(aTHX_ "Can't open perl script: %s\n", | |
2785 | Strerror(errno)); | |
2786 | # else | |
2787 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
2788 | CopFILE(PL_curcop), Strerror(errno)); | |
2789 | # endif | |
13281fa4 | 2790 | } |
79072805 | 2791 | } |
8d063cd8 | 2792 | |
7b89560d JH |
2793 | /* Mention |
2794 | * I_SYSSTATVFS HAS_FSTATVFS | |
2795 | * I_SYSMOUNT | |
c890dc6c | 2796 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
2797 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
2798 | * here so that metaconfig picks them up. */ | |
2799 | ||
104d25b7 | 2800 | #ifdef IAMSUID |
864dbfa3 | 2801 | STATIC int |
e688b231 | 2802 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 2803 | { |
0545a864 JH |
2804 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
2805 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
104d25b7 | 2806 | /* |
ad27e871 | 2807 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 2808 | * fstatvfs() is UNIX98. |
0545a864 | 2809 | * fstatfs() is 4.3 BSD. |
ad27e871 | 2810 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
2811 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
2812 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
2813 | */ |
2814 | ||
6439433f JH |
2815 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
2816 | ||
2817 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2818 | defined(HAS_FSTATVFS) | |
2819 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 2820 | struct statvfs stfs; |
6439433f | 2821 | |
104d25b7 JH |
2822 | check_okay = fstatvfs(fd, &stfs) == 0; |
2823 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
6439433f | 2824 | # endif /* fstatvfs */ |
ac27b0f5 | 2825 | |
6439433f JH |
2826 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
2827 | defined(PERL_MOUNT_NOSUID) && \ | |
2828 | defined(HAS_FSTATFS) && \ | |
2829 | defined(HAS_STRUCT_STATFS) && \ | |
2830 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
2831 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 2832 | struct statfs stfs; |
6439433f | 2833 | |
104d25b7 | 2834 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 2835 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
6439433f JH |
2836 | # endif /* fstatfs */ |
2837 | ||
2838 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2839 | defined(PERL_MOUNT_NOSUID) && \ | |
2840 | defined(HAS_FSTAT) && \ | |
2841 | defined(HAS_USTAT) && \ | |
2842 | defined(HAS_GETMNT) && \ | |
2843 | defined(HAS_STRUCT_FS_DATA) && \ | |
2844 | defined(NOSTAT_ONE) | |
2845 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 2846 | Stat_t fdst; |
6439433f | 2847 | |
0545a864 | 2848 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
2849 | struct ustat us; |
2850 | if (ustat(fdst.st_dev, &us) == 0) { | |
2851 | struct fs_data fsd; | |
2852 | /* NOSTAT_ONE here because we're not examining fields which | |
2853 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 2854 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
2855 | size_t cmplen = sizeof(us.f_fname); |
2856 | if (sizeof(fsd.fd_req.path) < cmplen) | |
2857 | cmplen = sizeof(fsd.fd_req.path); | |
2858 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
2859 | fdst.st_dev == fsd.fd_req.dev) { | |
2860 | check_okay = 1; | |
2861 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
2862 | } | |
2863 | } | |
2864 | } | |
2865 | } | |
0545a864 | 2866 | } |
6439433f JH |
2867 | # endif /* fstat+ustat+getmnt */ |
2868 | ||
2869 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
2870 | defined(HAS_GETMNTENT) && \ | |
2871 | defined(HAS_HASMNTOPT) && \ | |
2872 | defined(MNTOPT_NOSUID) | |
2873 | # define FD_ON_NOSUID_CHECK_OKAY | |
2874 | FILE *mtab = fopen("/etc/mtab", "r"); | |
2875 | struct mntent *entry; | |
c623ac67 | 2876 | Stat_t stb, fsb; |
104d25b7 JH |
2877 | |
2878 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
2879 | while (entry = getmntent(mtab)) { |
2880 | if (stat(entry->mnt_dir, &fsb) == 0 | |
2881 | && fsb.st_dev == stb.st_dev) | |
2882 | { | |
2883 | /* found the filesystem */ | |
2884 | check_okay = 1; | |
2885 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
2886 | on_nosuid = 1; | |
2887 | break; | |
2888 | } /* A single fs may well fail its stat(). */ | |
2889 | } | |
104d25b7 JH |
2890 | } |
2891 | if (mtab) | |
6439433f JH |
2892 | fclose(mtab); |
2893 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 2894 | |
ac27b0f5 | 2895 | if (!check_okay) |
0545a864 | 2896 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid", PL_origfilename); |
104d25b7 JH |
2897 | return on_nosuid; |
2898 | } | |
2899 | #endif /* IAMSUID */ | |
2900 | ||
76e3520e | 2901 | STATIC void |
cea2e8a9 | 2902 | S_validate_suid(pTHX_ char *validarg, char *scriptname, int fdscript) |
79072805 | 2903 | { |
155aba94 | 2904 | #ifdef IAMSUID |
96436eeb | 2905 | int which; |
155aba94 | 2906 | #endif |
96436eeb | 2907 | |
13281fa4 LW |
2908 | /* do we need to emulate setuid on scripts? */ |
2909 | ||
2910 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2911 | * in the kernel because of a security problem. Merely defining DOSUID | |
2912 | * in perl will not fix that problem, but if you have disabled setuid | |
2913 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2914 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2915 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2916 | * discovers that it has opened a setuid script, it calls suidperl with | |
2917 | * the same argv that it had. If suidperl finds that the script it has | |
2918 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2919 | * uid. We don't just make perl setuid root because that loses the | |
2920 | * effective uid we had before invoking perl, if it was different from the | |
2921 | * uid. | |
13281fa4 LW |
2922 | * |
2923 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2924 | * be defined in suidperl only. suidperl must be setuid root. The | |
2925 | * Configure script will set this up for you if you want it. | |
2926 | */ | |
a687059c | 2927 | |
13281fa4 | 2928 | #ifdef DOSUID |
6e72f9df | 2929 | char *s, *s2; |
a0d0e21e | 2930 | |
b28d0864 | 2931 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 2932 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
b28d0864 | 2933 | if (fdscript < 0 && PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2934 | I32 len; |
2d8e6c8d | 2935 | STRLEN n_a; |
13281fa4 | 2936 | |
a687059c | 2937 | #ifdef IAMSUID |
fe14fcc3 | 2938 | #ifndef HAS_SETREUID |
a687059c LW |
2939 | /* On this access check to make sure the directories are readable, |
2940 | * there is actually a small window that the user could use to make | |
2941 | * filename point to an accessible directory. So there is a faint | |
2942 | * chance that someone could execute a setuid script down in a | |
2943 | * non-accessible directory. I don't know what to do about that. | |
2944 | * But I don't think it's too important. The manual lies when | |
2945 | * it says access() is useful in setuid programs. | |
2946 | */ | |
cc49e20b | 2947 | if (PerlLIO_access(CopFILE(PL_curcop),1)) /*double check*/ |
cea2e8a9 | 2948 | Perl_croak(aTHX_ "Permission denied"); |
a687059c LW |
2949 | #else |
2950 | /* If we can swap euid and uid, then we can determine access rights | |
2951 | * with a simple stat of the file, and then compare device and | |
2952 | * inode to make sure we did stat() on the same file we opened. | |
2953 | * Then we just have to make sure he or she can execute it. | |
2954 | */ | |
2955 | { | |
c623ac67 | 2956 | Stat_t tmpstatbuf; |
a687059c | 2957 | |
85e6fe83 LW |
2958 | if ( |
2959 | #ifdef HAS_SETREUID | |
b28d0864 | 2960 | setreuid(PL_euid,PL_uid) < 0 |
a0d0e21e LW |
2961 | #else |
2962 | # if HAS_SETRESUID | |
b28d0864 | 2963 | setresuid(PL_euid,PL_uid,(Uid_t)-1) < 0 |
a0d0e21e | 2964 | # endif |
85e6fe83 | 2965 | #endif |
b28d0864 | 2966 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 2967 | Perl_croak(aTHX_ "Can't swap uid and euid"); /* really paranoid */ |
cc49e20b | 2968 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0) |
cea2e8a9 | 2969 | Perl_croak(aTHX_ "Permission denied"); /* testing full pathname here */ |
2bb3463c | 2970 | #if defined(IAMSUID) && !defined(NO_NOSUID_CHECK) |
e688b231 | 2971 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) |
cea2e8a9 | 2972 | Perl_croak(aTHX_ "Permission denied"); |
104d25b7 | 2973 | #endif |
b28d0864 NIS |
2974 | if (tmpstatbuf.st_dev != PL_statbuf.st_dev || |
2975 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { | |
2976 | (void)PerlIO_close(PL_rsfp); | |
cea2e8a9 | 2977 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2978 | } |
85e6fe83 LW |
2979 | if ( |
2980 | #ifdef HAS_SETREUID | |
b28d0864 | 2981 | setreuid(PL_uid,PL_euid) < 0 |
a0d0e21e LW |
2982 | #else |
2983 | # if defined(HAS_SETRESUID) | |
b28d0864 | 2984 | setresuid(PL_uid,PL_euid,(Uid_t)-1) < 0 |
a0d0e21e | 2985 | # endif |
85e6fe83 | 2986 | #endif |
b28d0864 | 2987 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) |
cea2e8a9 | 2988 | Perl_croak(aTHX_ "Can't reswap uid and euid"); |
b28d0864 | 2989 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
cea2e8a9 | 2990 | Perl_croak(aTHX_ "Permission denied\n"); |
a687059c | 2991 | } |
fe14fcc3 | 2992 | #endif /* HAS_SETREUID */ |
a687059c LW |
2993 | #endif /* IAMSUID */ |
2994 | ||
b28d0864 | 2995 | if (!S_ISREG(PL_statbuf.st_mode)) |
cea2e8a9 | 2996 | Perl_croak(aTHX_ "Permission denied"); |
b28d0864 | 2997 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 2998 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 2999 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
57843af0 | 3000 | CopLINE_inc(PL_curcop); |
6b88bc9c | 3001 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
2d8e6c8d | 3002 | strnNE(SvPV(PL_linestr,n_a),"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 3003 | Perl_croak(aTHX_ "No #! line"); |
2d8e6c8d | 3004 | s = SvPV(PL_linestr,n_a)+2; |
663a0e37 | 3005 | if (*s == ' ') s++; |
45d8adaa | 3006 | while (!isSPACE(*s)) s++; |
2d8e6c8d | 3007 | for (s2 = s; (s2 > SvPV(PL_linestr,n_a)+2 && |
6e72f9df | 3008 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
3009 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
cea2e8a9 | 3010 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 3011 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
3012 | /* |
3013 | * #! arg must be what we saw above. They can invoke it by | |
3014 | * mentioning suidperl explicitly, but they may not add any strange | |
3015 | * arguments beyond what #! says if they do invoke suidperl that way. | |
3016 | */ | |
3017 | len = strlen(validarg); | |
3018 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 3019 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
cea2e8a9 | 3020 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
3021 | |
3022 | #ifndef IAMSUID | |
b28d0864 NIS |
3023 | if (PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
3024 | PL_euid == PL_statbuf.st_uid) | |
3025 | if (!PL_do_undump) | |
cea2e8a9 | 3026 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3027 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3028 | #endif /* IAMSUID */ | |
13281fa4 | 3029 | |
b28d0864 NIS |
3030 | if (PL_euid) { /* oops, we're not the setuid root perl */ |
3031 | (void)PerlIO_close(PL_rsfp); | |
13281fa4 | 3032 | #ifndef IAMSUID |
46fc3d4c | 3033 | /* try again */ |
a7cb1f99 | 3034 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3035 | (int)PERL_REVISION, (int)PERL_VERSION, |
3036 | (int)PERL_SUBVERSION), PL_origargv); | |
13281fa4 | 3037 | #endif |
cea2e8a9 | 3038 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 LW |
3039 | } |
3040 | ||
b28d0864 | 3041 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
fe14fcc3 | 3042 | #ifdef HAS_SETEGID |
b28d0864 | 3043 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 3044 | #else |
fe14fcc3 | 3045 | #ifdef HAS_SETREGID |
b28d0864 | 3046 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
3047 | #else |
3048 | #ifdef HAS_SETRESGID | |
b28d0864 | 3049 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 3050 | #else |
b28d0864 | 3051 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
3052 | #endif |
3053 | #endif | |
85e6fe83 | 3054 | #endif |
b28d0864 | 3055 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 3056 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 3057 | } |
b28d0864 NIS |
3058 | if (PL_statbuf.st_mode & S_ISUID) { |
3059 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 3060 | #ifdef HAS_SETEUID |
b28d0864 | 3061 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 3062 | #else |
fe14fcc3 | 3063 | #ifdef HAS_SETREUID |
b28d0864 | 3064 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
3065 | #else |
3066 | #ifdef HAS_SETRESUID | |
b28d0864 | 3067 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 3068 | #else |
b28d0864 | 3069 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
3070 | #endif |
3071 | #endif | |
85e6fe83 | 3072 | #endif |
b28d0864 | 3073 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 3074 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 3075 | } |
b28d0864 | 3076 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 3077 | #ifdef HAS_SETEUID |
b28d0864 | 3078 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 3079 | #else |
fe14fcc3 | 3080 | #ifdef HAS_SETREUID |
b28d0864 | 3081 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 3082 | #else |
85e6fe83 | 3083 | #ifdef HAS_SETRESUID |
b28d0864 | 3084 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 3085 | #else |
b28d0864 | 3086 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 3087 | #endif |
a687059c LW |
3088 | #endif |
3089 | #endif | |
b28d0864 | 3090 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3091 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 3092 | } |
748a9306 | 3093 | init_ids(); |
b28d0864 | 3094 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
cea2e8a9 | 3095 | Perl_croak(aTHX_ "Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
3096 | } |
3097 | #ifdef IAMSUID | |
6b88bc9c | 3098 | else if (PL_preprocess) |
cea2e8a9 | 3099 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
96436eeb | 3100 | else if (fdscript >= 0) |
cea2e8a9 | 3101 | Perl_croak(aTHX_ "fd script not allowed in suidperl\n"); |
13281fa4 | 3102 | else |
cea2e8a9 | 3103 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); |
96436eeb | 3104 | |
3105 | /* We absolutely must clear out any saved ids here, so we */ | |
3106 | /* exec the real perl, substituting fd script for scriptname. */ | |
3107 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
b28d0864 NIS |
3108 | PerlIO_rewind(PL_rsfp); |
3109 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
6b88bc9c GS |
3110 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; |
3111 | if (!PL_origargv[which]) | |
cea2e8a9 GS |
3112 | Perl_croak(aTHX_ "Permission denied"); |
3113 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
6b88bc9c | 3114 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); |
96436eeb | 3115 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 3116 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 3117 | #endif |
a7cb1f99 | 3118 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3119 | (int)PERL_REVISION, (int)PERL_VERSION, |
3120 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
cea2e8a9 | 3121 | Perl_croak(aTHX_ "Can't do setuid\n"); |
13281fa4 | 3122 | #endif /* IAMSUID */ |
a687059c | 3123 | #else /* !DOSUID */ |
3280af22 | 3124 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 3125 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
3126 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
3127 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 3128 | || |
b28d0864 | 3129 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3130 | ) |
b28d0864 | 3131 | if (!PL_do_undump) |
cea2e8a9 | 3132 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3133 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3134 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
3135 | /* not set-id, must be wrapped */ | |
a687059c | 3136 | } |
13281fa4 | 3137 | #endif /* DOSUID */ |
79072805 | 3138 | } |
13281fa4 | 3139 | |
76e3520e | 3140 | STATIC void |
cea2e8a9 | 3141 | S_find_beginning(pTHX) |
79072805 | 3142 | { |
6e72f9df | 3143 | register char *s, *s2; |
e55ac0fa HS |
3144 | #ifdef MACOS_TRADITIONAL |
3145 | int maclines = 0; | |
3146 | #endif | |
33b78306 LW |
3147 | |
3148 | /* skip forward in input to the real script? */ | |
3149 | ||
bbce6d69 | 3150 | forbid_setid("-x"); |
bf4acbe4 | 3151 | #ifdef MACOS_TRADITIONAL |
084592ab | 3152 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 3153 | |
bf4acbe4 GS |
3154 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
3155 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) { | |
3156 | if (!gMacPerl_AlwaysExtract) | |
3157 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 3158 | |
bf4acbe4 GS |
3159 | if (PL_doextract) /* require explicit override ? */ |
3160 | if (!OverrideExtract(PL_origfilename)) | |
3161 | Perl_croak(aTHX_ "User aborted script\n"); | |
3162 | else | |
3163 | PL_doextract = FALSE; | |
e55ac0fa | 3164 | |
bf4acbe4 GS |
3165 | /* Pater peccavi, file does not have #! */ |
3166 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 3167 | |
bf4acbe4 GS |
3168 | break; |
3169 | } | |
3170 | #else | |
3280af22 NIS |
3171 | while (PL_doextract) { |
3172 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 3173 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 3174 | #endif |
4f0c37ba IZ |
3175 | s2 = s; |
3176 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
3177 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
3178 | PL_doextract = FALSE; | |
6e72f9df | 3179 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3180 | s2 = s; | |
3181 | while (*s == ' ' || *s == '\t') s++; | |
3182 | if (*s++ == '-') { | |
3183 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
3184 | if (strnEQ(s2-4,"perl",4)) | |
3185 | /*SUPPRESS 530*/ | |
155aba94 GS |
3186 | while ((s = moreswitches(s))) |
3187 | ; | |
33b78306 | 3188 | } |
95e8664e | 3189 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
3190 | /* We are always searching for the #!perl line in MacPerl, |
3191 | * so if we find it, still keep the line count correct | |
3192 | * by counting lines we already skipped over | |
3193 | */ | |
3194 | for (; maclines > 0 ; maclines--) | |
3195 | PerlIO_ungetc(PL_rsfp, '\n'); | |
3196 | ||
95e8664e | 3197 | break; |
e55ac0fa HS |
3198 | |
3199 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
3200 | } else if (gMacPerl_AlwaysExtract) { | |
3201 | ++maclines; | |
95e8664e | 3202 | #endif |
83025b21 LW |
3203 | } |
3204 | } | |
3205 | } | |
3206 | ||
afe37c7d | 3207 | |
76e3520e | 3208 | STATIC void |
cea2e8a9 | 3209 | S_init_ids(pTHX) |
352d5a3a | 3210 | { |
d8eceb89 JH |
3211 | PL_uid = PerlProc_getuid(); |
3212 | PL_euid = PerlProc_geteuid(); | |
3213 | PL_gid = PerlProc_getgid(); | |
3214 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3215 | #ifdef VMS |
b28d0864 NIS |
3216 | PL_uid |= PL_gid << 16; |
3217 | PL_euid |= PL_egid << 16; | |
748a9306 | 3218 | #endif |
3280af22 | 3219 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
748a9306 | 3220 | } |
79072805 | 3221 | |
76e3520e | 3222 | STATIC void |
cea2e8a9 | 3223 | S_forbid_setid(pTHX_ char *s) |
bbce6d69 | 3224 | { |
3280af22 | 3225 | if (PL_euid != PL_uid) |
cea2e8a9 | 3226 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 3227 | if (PL_egid != PL_gid) |
cea2e8a9 | 3228 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
bbce6d69 | 3229 | } |
3230 | ||
1ee4443e IZ |
3231 | void |
3232 | Perl_init_debugger(pTHX) | |
748a9306 | 3233 | { |
1ee4443e IZ |
3234 | HV *ostash = PL_curstash; |
3235 | ||
3280af22 NIS |
3236 | PL_curstash = PL_debstash; |
3237 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); | |
3238 | AvREAL_off(PL_dbargs); | |
3239 | PL_DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); | |
3240 | PL_DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
3241 | PL_DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); | |
1ee4443e | 3242 | sv_upgrade(GvSV(PL_DBsub), SVt_IV); /* IVX accessed if PERLDB_SUB_NN */ |
3280af22 | 3243 | PL_DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3244 | sv_setiv(PL_DBsingle, 0); |
3280af22 | 3245 | PL_DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3246 | sv_setiv(PL_DBtrace, 0); |
3280af22 | 3247 | PL_DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3248 | sv_setiv(PL_DBsignal, 0); |
1ee4443e | 3249 | PL_curstash = ostash; |
352d5a3a LW |
3250 | } |
3251 | ||
2ce36478 SM |
3252 | #ifndef STRESS_REALLOC |
3253 | #define REASONABLE(size) (size) | |
3254 | #else | |
3255 | #define REASONABLE(size) (1) /* unreasonable */ | |
3256 | #endif | |
3257 | ||
11343788 | 3258 | void |
cea2e8a9 | 3259 | Perl_init_stacks(pTHX) |
79072805 | 3260 | { |
e336de0d | 3261 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3262 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3263 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3264 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3265 | PL_curstack = PL_curstackinfo->si_stack; | |
3266 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3267 | |
3280af22 NIS |
3268 | PL_stack_base = AvARRAY(PL_curstack); |
3269 | PL_stack_sp = PL_stack_base; | |
3270 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3271 | |
3280af22 NIS |
3272 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
3273 | PL_tmps_floor = -1; | |
3274 | PL_tmps_ix = -1; | |
3275 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3276 | |
3280af22 NIS |
3277 | New(54,PL_markstack,REASONABLE(32),I32); |
3278 | PL_markstack_ptr = PL_markstack; | |
3279 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3280 | |
ce2f7c3b | 3281 | SET_MARK_OFFSET; |
e336de0d | 3282 | |
3280af22 NIS |
3283 | New(54,PL_scopestack,REASONABLE(32),I32); |
3284 | PL_scopestack_ix = 0; | |
3285 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3286 | |
3280af22 NIS |
3287 | New(54,PL_savestack,REASONABLE(128),ANY); |
3288 | PL_savestack_ix = 0; | |
3289 | PL_savestack_max = REASONABLE(128); | |
79072805 | 3290 | |
3280af22 NIS |
3291 | New(54,PL_retstack,REASONABLE(16),OP*); |
3292 | PL_retstack_ix = 0; | |
3293 | PL_retstack_max = REASONABLE(16); | |
378cc40b | 3294 | } |
33b78306 | 3295 | |
2ce36478 SM |
3296 | #undef REASONABLE |
3297 | ||
76e3520e | 3298 | STATIC void |
cea2e8a9 | 3299 | S_nuke_stacks(pTHX) |
6e72f9df | 3300 | { |
3280af22 NIS |
3301 | while (PL_curstackinfo->si_next) |
3302 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3303 | while (PL_curstackinfo) { | |
3304 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3305 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3306 | Safefree(PL_curstackinfo->si_cxstack); |
3307 | Safefree(PL_curstackinfo); | |
3308 | PL_curstackinfo = p; | |
e336de0d | 3309 | } |
3280af22 NIS |
3310 | Safefree(PL_tmps_stack); |
3311 | Safefree(PL_markstack); | |
3312 | Safefree(PL_scopestack); | |
3313 | Safefree(PL_savestack); | |
3314 | Safefree(PL_retstack); | |
378cc40b | 3315 | } |
33b78306 | 3316 | |
76e3520e | 3317 | STATIC void |
cea2e8a9 | 3318 | S_init_lexer(pTHX) |
8990e307 | 3319 | { |
06039172 | 3320 | PerlIO *tmpfp; |
3280af22 NIS |
3321 | tmpfp = PL_rsfp; |
3322 | PL_rsfp = Nullfp; | |
3323 | lex_start(PL_linestr); | |
3324 | PL_rsfp = tmpfp; | |
79cb57f6 | 3325 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
3326 | } |
3327 | ||
76e3520e | 3328 | STATIC void |
cea2e8a9 | 3329 | S_init_predump_symbols(pTHX) |
45d8adaa | 3330 | { |
93a17b20 | 3331 | GV *tmpgv; |
af8c498a | 3332 | IO *io; |
79072805 | 3333 | |
864dbfa3 | 3334 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
3335 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
3336 | GvMULTI_on(PL_stdingv); | |
af8c498a | 3337 | io = GvIOp(PL_stdingv); |
a04651f4 | 3338 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3339 | IoIFP(io) = PerlIO_stdin(); |
adbc6bb1 | 3340 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 3341 | GvMULTI_on(tmpgv); |
af8c498a | 3342 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3343 | |
85e6fe83 | 3344 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 3345 | GvMULTI_on(tmpgv); |
af8c498a | 3346 | io = GvIOp(tmpgv); |
a04651f4 | 3347 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3348 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3349 | setdefout(tmpgv); |
adbc6bb1 | 3350 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 3351 | GvMULTI_on(tmpgv); |
af8c498a | 3352 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3353 | |
bf49b057 GS |
3354 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
3355 | GvMULTI_on(PL_stderrgv); | |
3356 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3357 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3358 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 3359 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 3360 | GvMULTI_on(tmpgv); |
af8c498a | 3361 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 3362 | |
3280af22 | 3363 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 3364 | |
bf4acbe4 GS |
3365 | if (PL_osname) |
3366 | Safefree(PL_osname); | |
3367 | PL_osname = savepv(OSNAME); | |
79072805 | 3368 | } |
33b78306 | 3369 | |
a11ec5a9 RGS |
3370 | void |
3371 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) | |
33b78306 | 3372 | { |
79072805 | 3373 | char *s; |
79072805 | 3374 | argc--,argv++; /* skip name of script */ |
3280af22 | 3375 | if (PL_doswitches) { |
79072805 LW |
3376 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
3377 | if (!argv[0][1]) | |
3378 | break; | |
379d538a | 3379 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3380 | argc--,argv++; |
3381 | break; | |
3382 | } | |
155aba94 | 3383 | if ((s = strchr(argv[0], '='))) { |
79072805 | 3384 | *s++ = '\0'; |
85e6fe83 | 3385 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
3386 | } |
3387 | else | |
85e6fe83 | 3388 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 3389 | } |
79072805 | 3390 | } |
a11ec5a9 RGS |
3391 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
3392 | GvMULTI_on(PL_argvgv); | |
3393 | (void)gv_AVadd(PL_argvgv); | |
3394 | av_clear(GvAVn(PL_argvgv)); | |
3395 | for (; argc > 0; argc--,argv++) { | |
3396 | SV *sv = newSVpv(argv[0],0); | |
3397 | av_push(GvAVn(PL_argvgv),sv); | |
3398 | if (PL_widesyscalls) | |
3399 | (void)sv_utf8_decode(sv); | |
3400 | } | |
3401 | } | |
3402 | } | |
3403 | ||
04fee9b5 NIS |
3404 | #ifdef HAS_PROCSELFEXE |
3405 | /* This is a function so that we don't hold on to MAXPATHLEN | |
8338e367 | 3406 | bytes of stack longer than necessary |
04fee9b5 NIS |
3407 | */ |
3408 | STATIC void | |
3409 | S_procself_val(pTHX_ SV *sv, char *arg0) | |
3410 | { | |
3411 | char buf[MAXPATHLEN]; | |
d13a6521 | 3412 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); |
75745e22 TJ |
3413 | |
3414 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
3415 | includes a spurious NUL which will cause $^X to fail in system | |
3416 | or backticks (this will prevent extensions from being built and | |
3417 | many tests from working). readlink is not meant to add a NUL. | |
3418 | Normal readlink works fine. | |
3419 | */ | |
3420 | if (len > 0 && buf[len-1] == '\0') { | |
3421 | len--; | |
3422 | } | |
3423 | ||
d103ec31 JH |
3424 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes |
3425 | returning the text "unknown" from the readlink rather than the path | |
78cb7c00 | 3426 | to the executable (or returning an error from the readlink). Any valid |
d103ec31 JH |
3427 | path has a '/' in it somewhere, so use that to validate the result. |
3428 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
3429 | */ | |
78cb7c00 | 3430 | if (len > 0 && memchr(buf, '/', len)) { |
04fee9b5 NIS |
3431 | sv_setpvn(sv,buf,len); |
3432 | } | |
3433 | else { | |
3434 | sv_setpv(sv,arg0); | |
3435 | } | |
3436 | } | |
3437 | #endif /* HAS_PROCSELFEXE */ | |
3438 | ||
a11ec5a9 RGS |
3439 | STATIC void |
3440 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
3441 | { | |
3442 | char *s; | |
3443 | SV *sv; | |
3444 | GV* tmpgv; | |
a11ec5a9 | 3445 | |
3280af22 NIS |
3446 | PL_toptarget = NEWSV(0,0); |
3447 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3448 | sv_setpvn(PL_toptarget, "", 0); | |
3449 | PL_bodytarget = NEWSV(0,0); | |
3450 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3451 | sv_setpvn(PL_bodytarget, "", 0); | |
3452 | PL_formtarget = PL_bodytarget; | |
79072805 | 3453 | |
bbce6d69 | 3454 | TAINT; |
a11ec5a9 RGS |
3455 | |
3456 | init_argv_symbols(argc,argv); | |
3457 | ||
155aba94 | 3458 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) { |
bf4acbe4 GS |
3459 | #ifdef MACOS_TRADITIONAL |
3460 | /* $0 is not majick on a Mac */ | |
3461 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
3462 | #else | |
3280af22 | 3463 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 3464 | magicname("0", "0", 1); |
bf4acbe4 | 3465 | #endif |
79072805 | 3466 | } |
04fee9b5 NIS |
3467 | if ((tmpgv = gv_fetchpv("\030",TRUE, SVt_PV))) {/* $^X */ |
3468 | #ifdef HAS_PROCSELFEXE | |
3469 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
3470 | #else | |
8338e367 | 3471 | #ifdef OS2 |
23da6c43 | 3472 | sv_setpv(GvSV(tmpgv), os2_execname(aTHX)); |
8338e367 JH |
3473 | #else |
3474 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); | |
3475 | #endif | |
04fee9b5 NIS |
3476 | #endif |
3477 | } | |
155aba94 | 3478 | if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) { |
79072805 | 3479 | HV *hv; |
3280af22 NIS |
3480 | GvMULTI_on(PL_envgv); |
3481 | hv = GvHVn(PL_envgv); | |
14befaf4 | 3482 | hv_magic(hv, Nullgv, PERL_MAGIC_env); |
fa6a1c44 | 3483 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
3484 | /* Note that if the supplied env parameter is actually a copy |
3485 | of the global environ then it may now point to free'd memory | |
3486 | if the environment has been modified since. To avoid this | |
3487 | problem we treat env==NULL as meaning 'use the default' | |
3488 | */ | |
3489 | if (!env) | |
3490 | env = environ; | |
4efc5df6 GS |
3491 | if (env != environ |
3492 | # ifdef USE_ITHREADS | |
3493 | && PL_curinterp == aTHX | |
3494 | # endif | |
3495 | ) | |
3496 | { | |
79072805 | 3497 | environ[0] = Nullch; |
4efc5df6 | 3498 | } |
764df951 IZ |
3499 | if (env) |
3500 | for (; *env; env++) { | |
93a17b20 | 3501 | if (!(s = strchr(*env,'='))) |
79072805 | 3502 | continue; |
60ce6247 | 3503 | #if defined(MSDOS) |
61968511 | 3504 | *s = '\0'; |
137443ea | 3505 | (void)strupr(*env); |
61968511 | 3506 | *s = '='; |
137443ea | 3507 | #endif |
61968511 | 3508 | sv = newSVpv(s+1, 0); |
79072805 | 3509 | (void)hv_store(hv, *env, s - *env, sv, 0); |
61968511 GA |
3510 | if (env != environ) |
3511 | mg_set(sv); | |
764df951 | 3512 | } |
103a7189 | 3513 | #endif /* USE_ENVIRON_ARRAY */ |
79072805 | 3514 | } |
bbce6d69 | 3515 | TAINT_NOT; |
306196c3 MS |
3516 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) { |
3517 | SvREADONLY_off(GvSV(tmpgv)); | |
7766f137 | 3518 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3519 | SvREADONLY_on(GvSV(tmpgv)); |
3520 | } | |
4d76a344 RGS |
3521 | #ifdef THREADS_HAVE_PIDS |
3522 | PL_ppid = (IV)getppid(); | |
3523 | #endif | |
2710853f MJD |
3524 | |
3525 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
3526 | if (PL_minus_a) { | |
3527 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
3528 | } | |
3529 | /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */ | |
3530 | (void) get_av("main::-", TRUE | GV_ADDMULTI); | |
3531 | (void) get_av("main::+", TRUE | GV_ADDMULTI); | |
33b78306 | 3532 | } |
34de22dd | 3533 | |
76e3520e | 3534 | STATIC void |
cea2e8a9 | 3535 | S_init_perllib(pTHX) |
34de22dd | 3536 | { |
85e6fe83 | 3537 | char *s; |
3280af22 | 3538 | if (!PL_tainting) { |
552a7a9b | 3539 | #ifndef VMS |
76e3520e | 3540 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 3541 | if (s) |
9c8a64f0 | 3542 | incpush(s, TRUE, TRUE); |
85e6fe83 | 3543 | else |
9c8a64f0 | 3544 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE); |
552a7a9b | 3545 | #else /* VMS */ |
3546 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
3547 | * "natural" VMS idiom for a Unix path string. We allow each | |
3548 | * element to be a set of |-separated directories for compatibility. | |
3549 | */ | |
3550 | char buf[256]; | |
3551 | int idx = 0; | |
3552 | if (my_trnlnm("PERL5LIB",buf,0)) | |
9c8a64f0 | 3553 | do { incpush(buf,TRUE,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 3554 | else |
9c8a64f0 | 3555 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE); |
552a7a9b | 3556 | #endif /* VMS */ |
85e6fe83 | 3557 | } |
34de22dd | 3558 | |
c90c0ff4 | 3559 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 3560 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 3561 | */ |
4633a7c4 | 3562 | #ifdef APPLLIB_EXP |
9c8a64f0 | 3563 | incpush(APPLLIB_EXP, TRUE, TRUE); |
16d20bd9 | 3564 | #endif |
4633a7c4 | 3565 | |
fed7345c | 3566 | #ifdef ARCHLIB_EXP |
9c8a64f0 | 3567 | incpush(ARCHLIB_EXP, FALSE, FALSE); |
a0d0e21e | 3568 | #endif |
bf4acbe4 GS |
3569 | #ifdef MACOS_TRADITIONAL |
3570 | { | |
c623ac67 | 3571 | Stat_t tmpstatbuf; |
bf4acbe4 GS |
3572 | SV * privdir = NEWSV(55, 0); |
3573 | char * macperl = PerlEnv_getenv("MACPERL"); | |
3574 | ||
3575 | if (!macperl) | |
3576 | macperl = ""; | |
3577 | ||
3578 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
3579 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
3580 | incpush(SvPVX(privdir), TRUE, FALSE); | |
3581 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); | |
3582 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
3583 | incpush(SvPVX(privdir), TRUE, FALSE); | |
ac27b0f5 | 3584 | |
bf4acbe4 GS |
3585 | SvREFCNT_dec(privdir); |
3586 | } | |
3587 | if (!PL_tainting) | |
3588 | incpush(":", FALSE, FALSE); | |
3589 | #else | |
fed7345c | 3590 | #ifndef PRIVLIB_EXP |
65f19062 | 3591 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 3592 | #endif |
ac27b0f5 | 3593 | #if defined(WIN32) |
9c8a64f0 | 3594 | incpush(PRIVLIB_EXP, TRUE, FALSE); |
00dc2f4f | 3595 | #else |
9c8a64f0 | 3596 | incpush(PRIVLIB_EXP, FALSE, FALSE); |
00dc2f4f | 3597 | #endif |
4633a7c4 | 3598 | |
65f19062 | 3599 | #ifdef SITEARCH_EXP |
3b290362 GS |
3600 | /* sitearch is always relative to sitelib on Windows for |
3601 | * DLL-based path intuition to work correctly */ | |
3602 | # if !defined(WIN32) | |
9c8a64f0 | 3603 | incpush(SITEARCH_EXP, FALSE, FALSE); |
65f19062 GS |
3604 | # endif |
3605 | #endif | |
3606 | ||
4633a7c4 | 3607 | #ifdef SITELIB_EXP |
65f19062 | 3608 | # if defined(WIN32) |
9c8a64f0 | 3609 | incpush(SITELIB_EXP, TRUE, FALSE); /* this picks up sitearch as well */ |
65f19062 | 3610 | # else |
9c8a64f0 | 3611 | incpush(SITELIB_EXP, FALSE, FALSE); |
65f19062 GS |
3612 | # endif |
3613 | #endif | |
189d1e8d | 3614 | |
65f19062 | 3615 | #ifdef SITELIB_STEM /* Search for version-specific dirs below here */ |
9c8a64f0 | 3616 | incpush(SITELIB_STEM, FALSE, TRUE); |
81c6dfba | 3617 | #endif |
65f19062 GS |
3618 | |
3619 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 3620 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
3621 | * DLL-based path intuition to work correctly */ |
3622 | # if !defined(WIN32) | |
9c8a64f0 | 3623 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE); |
65f19062 | 3624 | # endif |
4b03c463 | 3625 | #endif |
65f19062 GS |
3626 | |
3627 | #ifdef PERL_VENDORLIB_EXP | |
3628 | # if defined(WIN32) | |
9c8a64f0 | 3629 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE); /* this picks up vendorarch as well */ |
65f19062 | 3630 | # else |
9c8a64f0 | 3631 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE); |
65f19062 | 3632 | # endif |
a3635516 | 3633 | #endif |
65f19062 GS |
3634 | |
3635 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
9c8a64f0 | 3636 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE); |
00dc2f4f | 3637 | #endif |
65f19062 | 3638 | |
3b777bb4 GS |
3639 | #ifdef PERL_OTHERLIBDIRS |
3640 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE); | |
3641 | #endif | |
3642 | ||
3280af22 | 3643 | if (!PL_tainting) |
9c8a64f0 | 3644 | incpush(".", FALSE, FALSE); |
bf4acbe4 | 3645 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 3646 | } |
3647 | ||
ed79a026 | 3648 | #if defined(DOSISH) || defined(EPOC) |
774d564b | 3649 | # define PERLLIB_SEP ';' |
3650 | #else | |
3651 | # if defined(VMS) | |
3652 | # define PERLLIB_SEP '|' | |
3653 | # else | |
bf4acbe4 GS |
3654 | # if defined(MACOS_TRADITIONAL) |
3655 | # define PERLLIB_SEP ',' | |
3656 | # else | |
3657 | # define PERLLIB_SEP ':' | |
3658 | # endif | |
774d564b | 3659 | # endif |
3660 | #endif | |
3661 | #ifndef PERLLIB_MANGLE | |
3662 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 3663 | #endif |
774d564b | 3664 | |
76e3520e | 3665 | STATIC void |
9c8a64f0 | 3666 | S_incpush(pTHX_ char *p, int addsubdirs, int addoldvers) |
774d564b | 3667 | { |
3668 | SV *subdir = Nullsv; | |
774d564b | 3669 | |
3b290362 | 3670 | if (!p || !*p) |
774d564b | 3671 | return; |
3672 | ||
9c8a64f0 | 3673 | if (addsubdirs || addoldvers) { |
00db4c45 | 3674 | subdir = sv_newmortal(); |
774d564b | 3675 | } |
3676 | ||
3677 | /* Break at all separators */ | |
3678 | while (p && *p) { | |
8c52afec | 3679 | SV *libdir = NEWSV(55,0); |
774d564b | 3680 | char *s; |
3681 | ||
3682 | /* skip any consecutive separators */ | |
3683 | while ( *p == PERLLIB_SEP ) { | |
3684 | /* Uncomment the next line for PATH semantics */ | |
79cb57f6 | 3685 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ |
774d564b | 3686 | p++; |
3687 | } | |
3688 | ||
3689 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
3690 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
3691 | (STRLEN)(s - p)); | |
3692 | p = s + 1; | |
3693 | } | |
3694 | else { | |
3695 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
3696 | p = Nullch; /* break out */ | |
3697 | } | |
bf4acbe4 | 3698 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
3699 | if (!strchr(SvPVX(libdir), ':')) { |
3700 | char buf[256]; | |
3701 | ||
3702 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
3703 | } | |
bf4acbe4 GS |
3704 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
3705 | sv_catpv(libdir, ":"); | |
3706 | #endif | |
774d564b | 3707 | |
3708 | /* | |
3709 | * BEFORE pushing libdir onto @INC we may first push version- and | |
3710 | * archname-specific sub-directories. | |
3711 | */ | |
9c8a64f0 | 3712 | if (addsubdirs || addoldvers) { |
29d82f8d | 3713 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
3714 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
3715 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
3716 | const char **incver; |
3717 | #endif | |
c623ac67 | 3718 | Stat_t tmpstatbuf; |
aa689395 | 3719 | #ifdef VMS |
3720 | char *unix; | |
3721 | STRLEN len; | |
774d564b | 3722 | |
2d8e6c8d | 3723 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 3724 | len = strlen(unix); |
3725 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
3726 | sv_usepvn(libdir,unix,len); | |
3727 | } | |
3728 | else | |
bf49b057 | 3729 | PerlIO_printf(Perl_error_log, |
aa689395 | 3730 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 3731 | SvPV(libdir,len)); |
aa689395 | 3732 | #endif |
9c8a64f0 | 3733 | if (addsubdirs) { |
bf4acbe4 GS |
3734 | #ifdef MACOS_TRADITIONAL |
3735 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
3736 | #define PERL_ARCH_FMT "%s:" |
3737 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
3738 | #else |
3739 | #define PERL_AV_SUFFIX_FMT "/" | |
3740 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 3741 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 3742 | #endif |
9c8a64f0 | 3743 | /* .../version/archname if -d .../version/archname */ |
084592ab | 3744 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
9c8a64f0 GS |
3745 | libdir, |
3746 | (int)PERL_REVISION, (int)PERL_VERSION, | |
3747 | (int)PERL_SUBVERSION, ARCHNAME); | |
3748 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3749 | S_ISDIR(tmpstatbuf.st_mode)) | |
3750 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
4b03c463 | 3751 | |
9c8a64f0 | 3752 | /* .../version if -d .../version */ |
084592ab | 3753 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, libdir, |
9c8a64f0 GS |
3754 | (int)PERL_REVISION, (int)PERL_VERSION, |
3755 | (int)PERL_SUBVERSION); | |
3756 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
3757 | S_ISDIR(tmpstatbuf.st_mode)) | |
3758 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
3759 | ||
3760 | /* .../archname if -d .../archname */ | |
bf4acbe4 | 3761 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, ARCHNAME); |
29d82f8d GS |
3762 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
3763 | S_ISDIR(tmpstatbuf.st_mode)) | |
3764 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
29d82f8d | 3765 | } |
9c8a64f0 | 3766 | |
9c8a64f0 | 3767 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 3768 | if (addoldvers) { |
9c8a64f0 GS |
3769 | for (incver = incverlist; *incver; incver++) { |
3770 | /* .../xxx if -d .../xxx */ | |
bf4acbe4 | 3771 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, *incver); |
9c8a64f0 GS |
3772 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
3773 | S_ISDIR(tmpstatbuf.st_mode)) | |
3774 | av_push(GvAVn(PL_incgv), newSVsv(subdir)); | |
3775 | } | |
3776 | } | |
29d82f8d | 3777 | #endif |
774d564b | 3778 | } |
3779 | ||
3780 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 3781 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 3782 | } |
34de22dd | 3783 | } |
93a17b20 | 3784 | |
4d1ff10f | 3785 | #ifdef USE_5005THREADS |
76e3520e | 3786 | STATIC struct perl_thread * |
cea2e8a9 | 3787 | S_init_main_thread(pTHX) |
199100c8 | 3788 | { |
c5be433b | 3789 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 3790 | struct perl_thread *thr; |
cea2e8a9 | 3791 | #endif |
199100c8 MB |
3792 | XPV *xpv; |
3793 | ||
52e1cb5e | 3794 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 3795 | PL_curcop = &PL_compiling; |
c5be433b | 3796 | thr->interp = PERL_GET_INTERP; |
199100c8 | 3797 | thr->cvcache = newHV(); |
54b9620d | 3798 | thr->threadsv = newAV(); |
940cb80d | 3799 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
3800 | thr->specific = newAV(); |
3801 | thr->flags = THRf_R_JOINABLE; | |
3802 | MUTEX_INIT(&thr->mutex); | |
3803 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 3804 | New(53, PL_thrsv, 1, SV); |
199100c8 | 3805 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
3806 | SvFLAGS(PL_thrsv) = SVt_PV; |
3807 | SvANY(PL_thrsv) = (void*)xpv; | |
3808 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
3809 | SvPVX(PL_thrsv) = (char*)thr; | |
3810 | SvCUR_set(PL_thrsv, sizeof(thr)); | |
3811 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
3812 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
3813 | thr->oursv = PL_thrsv; | |
3814 | PL_chopset = " \n-"; | |
3967c732 | 3815 | PL_dumpindent = 4; |
533c011a NIS |
3816 | |
3817 | MUTEX_LOCK(&PL_threads_mutex); | |
3818 | PL_nthreads++; | |
199100c8 MB |
3819 | thr->tid = 0; |
3820 | thr->next = thr; | |
3821 | thr->prev = thr; | |
8dcd6f7b | 3822 | thr->thr_done = 0; |
533c011a | 3823 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 3824 | |
4b026b9e | 3825 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 3826 | Perl_init_thread_intern(thr); |
235db74f GS |
3827 | #endif |
3828 | ||
3829 | #ifdef SET_THREAD_SELF | |
3830 | SET_THREAD_SELF(thr); | |
199100c8 MB |
3831 | #else |
3832 | thr->self = pthread_self(); | |
235db74f | 3833 | #endif /* SET_THREAD_SELF */ |
06d86050 | 3834 | PERL_SET_THX(thr); |
199100c8 MB |
3835 | |
3836 | /* | |
411caa50 JH |
3837 | * These must come after the thread self setting |
3838 | * because sv_setpvn does SvTAINT and the taint | |
3839 | * fields thread selfness being set. | |
199100c8 | 3840 | */ |
533c011a NIS |
3841 | PL_toptarget = NEWSV(0,0); |
3842 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
3843 | sv_setpvn(PL_toptarget, "", 0); | |
3844 | PL_bodytarget = NEWSV(0,0); | |
3845 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
3846 | sv_setpvn(PL_bodytarget, "", 0); | |
3847 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 3848 | thr->errsv = newSVpvn("", 0); |
78857c3c | 3849 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 3850 | |
533c011a | 3851 | PL_maxscream = -1; |
a2efc822 | 3852 | PL_peepp = MEMBER_TO_FPTR(Perl_peep); |
0b94c7bb GS |
3853 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
3854 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
3855 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
3856 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
3857 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
3858 | PL_regindent = 0; |
3859 | PL_reginterp_cnt = 0; | |
5c0ca799 | 3860 | |
199100c8 MB |
3861 | return thr; |
3862 | } | |
4d1ff10f | 3863 | #endif /* USE_5005THREADS */ |
199100c8 | 3864 | |
93a17b20 | 3865 | void |
864dbfa3 | 3866 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 3867 | { |
971a9dd3 | 3868 | SV *atsv; |
57843af0 | 3869 | line_t oldline = CopLINE(PL_curcop); |
312caa8e | 3870 | CV *cv; |
22921e25 | 3871 | STRLEN len; |
6224f72b | 3872 | int ret; |
db36c5a1 | 3873 | dJMPENV; |
93a17b20 | 3874 | |
76e3520e | 3875 | while (AvFILL(paramList) >= 0) { |
312caa8e | 3876 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
3877 | if (PL_savebegin) { |
3878 | if (paramList == PL_beginav) { | |
059a8bb7 | 3879 | /* save PL_beginav for compiler */ |
ece599bd RGS |
3880 | if (! PL_beginav_save) |
3881 | PL_beginav_save = newAV(); | |
3882 | av_push(PL_beginav_save, (SV*)cv); | |
3883 | } | |
3884 | else if (paramList == PL_checkav) { | |
3885 | /* save PL_checkav for compiler */ | |
3886 | if (! PL_checkav_save) | |
3887 | PL_checkav_save = newAV(); | |
3888 | av_push(PL_checkav_save, (SV*)cv); | |
3889 | } | |
059a8bb7 JH |
3890 | } else { |
3891 | SAVEFREESV(cv); | |
3892 | } | |
14dd3ad8 GS |
3893 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
3894 | CALLPROTECT(aTHX_ pcur_env, &ret, MEMBER_TO_FPTR(S_vcall_list_body), cv); | |
3895 | #else | |
3896 | JMPENV_PUSH(ret); | |
3897 | #endif | |
6224f72b | 3898 | switch (ret) { |
312caa8e | 3899 | case 0: |
14dd3ad8 GS |
3900 | #ifndef PERL_FLEXIBLE_EXCEPTIONS |
3901 | call_list_body(cv); | |
3902 | #endif | |
971a9dd3 | 3903 | atsv = ERRSV; |
312caa8e CS |
3904 | (void)SvPV(atsv, len); |
3905 | if (len) { | |
971a9dd3 | 3906 | STRLEN n_a; |
312caa8e | 3907 | PL_curcop = &PL_compiling; |
57843af0 | 3908 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
3909 | if (paramList == PL_beginav) |
3910 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
3911 | else | |
4f25aa18 GS |
3912 | Perl_sv_catpvf(aTHX_ atsv, |
3913 | "%s failed--call queue aborted", | |
7d30b5c4 | 3914 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
3915 | : paramList == PL_initav ? "INIT" |
3916 | : "END"); | |
312caa8e CS |
3917 | while (PL_scopestack_ix > oldscope) |
3918 | LEAVE; | |
14dd3ad8 | 3919 | JMPENV_POP; |
971a9dd3 | 3920 | Perl_croak(aTHX_ "%s", SvPVx(atsv, n_a)); |
a0d0e21e | 3921 | } |
85e6fe83 | 3922 | break; |
6224f72b | 3923 | case 1: |
f86702cc | 3924 | STATUS_ALL_FAILURE; |
85e6fe83 | 3925 | /* FALL THROUGH */ |
6224f72b | 3926 | case 2: |
85e6fe83 | 3927 | /* my_exit() was called */ |
3280af22 | 3928 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 3929 | LEAVE; |
84902520 | 3930 | FREETMPS; |
3280af22 | 3931 | PL_curstash = PL_defstash; |
3280af22 | 3932 | PL_curcop = &PL_compiling; |
57843af0 | 3933 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 3934 | JMPENV_POP; |
cc3604b1 | 3935 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 3936 | if (paramList == PL_beginav) |
cea2e8a9 | 3937 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 3938 | else |
4f25aa18 | 3939 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 3940 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
3941 | : paramList == PL_initav ? "INIT" |
3942 | : "END"); | |
85e6fe83 | 3943 | } |
f86702cc | 3944 | my_exit_jump(); |
85e6fe83 | 3945 | /* NOTREACHED */ |
6224f72b | 3946 | case 3: |
312caa8e CS |
3947 | if (PL_restartop) { |
3948 | PL_curcop = &PL_compiling; | |
57843af0 | 3949 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 3950 | JMPENV_JUMP(3); |
85e6fe83 | 3951 | } |
bf49b057 | 3952 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
3953 | FREETMPS; |
3954 | break; | |
8990e307 | 3955 | } |
14dd3ad8 | 3956 | JMPENV_POP; |
93a17b20 | 3957 | } |
93a17b20 | 3958 | } |
93a17b20 | 3959 | |
14dd3ad8 | 3960 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
312caa8e | 3961 | STATIC void * |
14dd3ad8 | 3962 | S_vcall_list_body(pTHX_ va_list args) |
312caa8e | 3963 | { |
312caa8e | 3964 | CV *cv = va_arg(args, CV*); |
14dd3ad8 GS |
3965 | return call_list_body(cv); |
3966 | } | |
3967 | #endif | |
312caa8e | 3968 | |
14dd3ad8 GS |
3969 | STATIC void * |
3970 | S_call_list_body(pTHX_ CV *cv) | |
3971 | { | |
312caa8e | 3972 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 3973 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
3974 | return NULL; |
3975 | } | |
3976 | ||
f86702cc | 3977 | void |
864dbfa3 | 3978 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 3979 | { |
8b73bbec | 3980 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 3981 | thr, (unsigned long) status)); |
f86702cc | 3982 | switch (status) { |
3983 | case 0: | |
3984 | STATUS_ALL_SUCCESS; | |
3985 | break; | |
3986 | case 1: | |
3987 | STATUS_ALL_FAILURE; | |
3988 | break; | |
3989 | default: | |
3990 | STATUS_NATIVE_SET(status); | |
3991 | break; | |
3992 | } | |
3993 | my_exit_jump(); | |
3994 | } | |
3995 | ||
3996 | void | |
864dbfa3 | 3997 | Perl_my_failure_exit(pTHX) |
f86702cc | 3998 | { |
3999 | #ifdef VMS | |
4000 | if (vaxc$errno & 1) { | |
4fdae800 | 4001 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
4002 | STATUS_NATIVE_SET(44); | |
f86702cc | 4003 | } |
4004 | else { | |
ff0cee69 | 4005 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 4006 | STATUS_NATIVE_SET(44); |
f86702cc | 4007 | else |
4fdae800 | 4008 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 4009 | } |
4010 | #else | |
9b599b2a | 4011 | int exitstatus; |
f86702cc | 4012 | if (errno & 255) |
4013 | STATUS_POSIX_SET(errno); | |
9b599b2a | 4014 | else { |
ac27b0f5 | 4015 | exitstatus = STATUS_POSIX >> 8; |
9b599b2a GS |
4016 | if (exitstatus & 255) |
4017 | STATUS_POSIX_SET(exitstatus); | |
4018 | else | |
4019 | STATUS_POSIX_SET(255); | |
4020 | } | |
f86702cc | 4021 | #endif |
4022 | my_exit_jump(); | |
93a17b20 LW |
4023 | } |
4024 | ||
76e3520e | 4025 | STATIC void |
cea2e8a9 | 4026 | S_my_exit_jump(pTHX) |
f86702cc | 4027 | { |
c09156bb | 4028 | register PERL_CONTEXT *cx; |
f86702cc | 4029 | I32 gimme; |
4030 | SV **newsp; | |
4031 | ||
3280af22 NIS |
4032 | if (PL_e_script) { |
4033 | SvREFCNT_dec(PL_e_script); | |
4034 | PL_e_script = Nullsv; | |
f86702cc | 4035 | } |
4036 | ||
3280af22 | 4037 | POPSTACK_TO(PL_mainstack); |
f86702cc | 4038 | if (cxstack_ix >= 0) { |
4039 | if (cxstack_ix > 0) | |
4040 | dounwind(0); | |
3280af22 | 4041 | POPBLOCK(cx,PL_curpm); |
f86702cc | 4042 | LEAVE; |
4043 | } | |
ff0cee69 | 4044 | |
6224f72b | 4045 | JMPENV_JUMP(2); |
f86702cc | 4046 | } |
873ef191 | 4047 | |
0cb96387 | 4048 | static I32 |
acfe0abc | 4049 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 GS |
4050 | { |
4051 | char *p, *nl; | |
3280af22 | 4052 | p = SvPVX(PL_e_script); |
873ef191 | 4053 | nl = strchr(p, '\n'); |
3280af22 | 4054 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4055 | if (nl-p == 0) { |
0cb96387 | 4056 | filter_del(read_e_script); |
873ef191 | 4057 | return 0; |
7dfe3f66 | 4058 | } |
873ef191 | 4059 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4060 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4061 | return 1; |
4062 | } |