Commit | Line | Data |
---|---|---|
4b88f280 | 1 | #line 2 "perl.c" |
a0d0e21e LW |
2 | /* perl.c |
3 | * | |
737f4459 | 4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
32709fdf A |
5 | * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 by Larry Wall |
6 | * and others | |
a687059c | 7 | * |
352d5a3a LW |
8 | * You may distribute under the terms of either the GNU General Public |
9 | * License or the Artistic License, as specified in the README file. | |
a687059c | 10 | * |
8d063cd8 LW |
11 | */ |
12 | ||
a0d0e21e | 13 | /* |
4ac71550 TC |
14 | * A ship then new they built for him |
15 | * of mithril and of elven-glass | |
16 | * --from Bilbo's song of EƤrendil | |
17 | * | |
18 | * [p.236 of _The Lord of the Rings_, II/i: "Many Meetings"] | |
a0d0e21e | 19 | */ |
45d8adaa | 20 | |
166f8a29 DM |
21 | /* This file contains the top-level functions that are used to create, use |
22 | * and destroy a perl interpreter, plus the functions used by XS code to | |
23 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 24 | * function of the interpreter; that can be found in perlmain.c |
166f8a29 DM |
25 | */ |
26 | ||
378cc40b | 27 | #include "EXTERN.h" |
864dbfa3 | 28 | #define PERL_IN_PERL_C |
378cc40b | 29 | #include "perl.h" |
e3321bb0 | 30 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 31 | #include "XSUB.h" |
378cc40b | 32 | |
011f1a1a JH |
33 | #ifdef NETWARE |
34 | #include "nwutil.h" | |
011f1a1a JH |
35 | #endif |
36 | ||
df5cef82 | 37 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
38 | #ifdef I_UNISTD |
39 | #include <unistd.h> | |
40 | #endif | |
a0d0e21e | 41 | |
2aa47728 NC |
42 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
43 | # ifdef I_SYS_WAIT | |
44 | # include <sys/wait.h> | |
45 | # endif | |
bf357333 NC |
46 | # ifdef I_SYSUIO |
47 | # include <sys/uio.h> | |
48 | # endif | |
49 | ||
50 | union control_un { | |
51 | struct cmsghdr cm; | |
52 | char control[CMSG_SPACE(sizeof(int))]; | |
53 | }; | |
54 | ||
2aa47728 NC |
55 | #endif |
56 | ||
5311654c JH |
57 | #ifdef __BEOS__ |
58 | # define HZ 1000000 | |
59 | #endif | |
60 | ||
61 | #ifndef HZ | |
62 | # ifdef CLK_TCK | |
63 | # define HZ CLK_TCK | |
64 | # else | |
65 | # define HZ 60 | |
66 | # endif | |
67 | #endif | |
68 | ||
7114a2d2 | 69 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 70 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 71 | #endif |
72 | ||
acfe0abc | 73 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 74 | |
cc69b689 | 75 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 76 | /* Drop everything. Heck, don't even try to call it */ |
cc69b689 NC |
77 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) NOOP |
78 | #else | |
ec2019ad | 79 | /* Drop almost everything */ |
cc69b689 | 80 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 81 | #endif |
8d063cd8 | 82 | |
d6f07c05 AL |
83 | #define CALL_BODY_EVAL(myop) \ |
84 | if (PL_op == (myop)) \ | |
139d0ce6 | 85 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); \ |
d6f07c05 AL |
86 | if (PL_op) \ |
87 | CALLRUNOPS(aTHX); | |
88 | ||
89 | #define CALL_BODY_SUB(myop) \ | |
90 | if (PL_op == (myop)) \ | |
139d0ce6 | 91 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
92 | if (PL_op) \ |
93 | CALLRUNOPS(aTHX); | |
94 | ||
95 | #define CALL_LIST_BODY(cv) \ | |
96 | PUSHMARK(PL_stack_sp); \ | |
ad64d0ec | 97 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD); |
d6f07c05 | 98 | |
e6827a76 | 99 | static void |
daa7d858 | 100 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 101 | { |
27da23d5 | 102 | dVAR; |
e6827a76 NC |
103 | if (!PL_curinterp) { |
104 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 105 | #if defined(USE_ITHREADS) |
e6827a76 NC |
106 | INIT_THREADS; |
107 | ALLOC_THREAD_KEY; | |
108 | PERL_SET_THX(my_perl); | |
109 | OP_REFCNT_INIT; | |
71ad1b0c | 110 | HINTS_REFCNT_INIT; |
e6827a76 | 111 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
112 | MUTEX_INIT(&PL_my_ctx_mutex); |
113 | # endif | |
e6827a76 | 114 | } |
c0bce9aa NC |
115 | #if defined(USE_ITHREADS) |
116 | else | |
117 | #else | |
118 | /* This always happens for non-ithreads */ | |
119 | #endif | |
120 | { | |
e6827a76 NC |
121 | PERL_SET_THX(my_perl); |
122 | } | |
123 | } | |
06d86050 | 124 | |
cbec8ebe DM |
125 | |
126 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
127 | ||
128 | void | |
129 | Perl_sys_init(int* argc, char*** argv) | |
130 | { | |
4fc0badb | 131 | dVAR; |
7918f24d NC |
132 | |
133 | PERL_ARGS_ASSERT_SYS_INIT; | |
134 | ||
cbec8ebe DM |
135 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
136 | PERL_UNUSED_ARG(argv); | |
137 | PERL_SYS_INIT_BODY(argc, argv); | |
138 | } | |
139 | ||
140 | void | |
141 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
142 | { | |
4fc0badb | 143 | dVAR; |
7918f24d NC |
144 | |
145 | PERL_ARGS_ASSERT_SYS_INIT3; | |
146 | ||
cbec8ebe DM |
147 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
148 | PERL_UNUSED_ARG(argv); | |
149 | PERL_UNUSED_ARG(env); | |
150 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
151 | } | |
152 | ||
153 | void | |
d0820ef1 | 154 | Perl_sys_term() |
cbec8ebe | 155 | { |
4fc0badb | 156 | dVAR; |
bf81751b DM |
157 | if (!PL_veto_cleanup) { |
158 | PERL_SYS_TERM_BODY(); | |
159 | } | |
cbec8ebe DM |
160 | } |
161 | ||
162 | ||
32e30700 GS |
163 | #ifdef PERL_IMPLICIT_SYS |
164 | PerlInterpreter * | |
7766f137 GS |
165 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
166 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
167 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
168 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
169 | struct IPerlProc* ipP) | |
170 | { | |
171 | PerlInterpreter *my_perl; | |
7918f24d NC |
172 | |
173 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
174 | ||
9f653bb5 | 175 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 176 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 177 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
178 | Zero(my_perl, 1, PerlInterpreter); |
179 | PL_Mem = ipM; | |
7766f137 GS |
180 | PL_MemShared = ipMS; |
181 | PL_MemParse = ipMP; | |
32e30700 GS |
182 | PL_Env = ipE; |
183 | PL_StdIO = ipStd; | |
184 | PL_LIO = ipLIO; | |
185 | PL_Dir = ipD; | |
186 | PL_Sock = ipS; | |
187 | PL_Proc = ipP; | |
7cb608b5 | 188 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 189 | |
32e30700 GS |
190 | return my_perl; |
191 | } | |
192 | #else | |
954c1994 GS |
193 | |
194 | /* | |
ccfc67b7 JH |
195 | =head1 Embedding Functions |
196 | ||
954c1994 GS |
197 | =for apidoc perl_alloc |
198 | ||
199 | Allocates a new Perl interpreter. See L<perlembed>. | |
200 | ||
201 | =cut | |
202 | */ | |
203 | ||
93a17b20 | 204 | PerlInterpreter * |
cea2e8a9 | 205 | perl_alloc(void) |
79072805 | 206 | { |
cea2e8a9 | 207 | PerlInterpreter *my_perl; |
79072805 | 208 | |
9f653bb5 | 209 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 210 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 211 | |
e6827a76 | 212 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 213 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 214 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
215 | #else |
216 | Zero(my_perl, 1, PerlInterpreter); | |
217 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
218 | return my_perl; | |
219 | #endif | |
79072805 | 220 | } |
32e30700 | 221 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 222 | |
954c1994 GS |
223 | /* |
224 | =for apidoc perl_construct | |
225 | ||
226 | Initializes a new Perl interpreter. See L<perlembed>. | |
227 | ||
228 | =cut | |
229 | */ | |
230 | ||
79072805 | 231 | void |
0cb96387 | 232 | perl_construct(pTHXx) |
79072805 | 233 | { |
27da23d5 | 234 | dVAR; |
7918f24d NC |
235 | |
236 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
237 | ||
8990e307 | 238 | #ifdef MULTIPLICITY |
54aff467 | 239 | init_interp(); |
ac27b0f5 | 240 | PL_perl_destruct_level = 1; |
54aff467 | 241 | #else |
7918f24d | 242 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
243 | if (PL_perl_destruct_level > 0) |
244 | init_interp(); | |
245 | #endif | |
34caed6d DM |
246 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
247 | ||
34caed6d DM |
248 | /* set read-only and try to insure than we wont see REFCNT==0 |
249 | very often */ | |
250 | ||
251 | SvREADONLY_on(&PL_sv_undef); | |
252 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
253 | ||
254 | sv_setpv(&PL_sv_no,PL_No); | |
255 | /* value lookup in void context - happens to have the side effect | |
a43d94f2 NC |
256 | of caching the numeric forms. However, as &PL_sv_no doesn't contain |
257 | a string that is a valid numer, we have to turn the public flags by | |
258 | hand: */ | |
34caed6d | 259 | SvNV(&PL_sv_no); |
c1939273 | 260 | SvIV(&PL_sv_no); |
a43d94f2 NC |
261 | SvIOK_on(&PL_sv_no); |
262 | SvNOK_on(&PL_sv_no); | |
34caed6d DM |
263 | SvREADONLY_on(&PL_sv_no); |
264 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
265 | ||
266 | sv_setpv(&PL_sv_yes,PL_Yes); | |
34caed6d | 267 | SvNV(&PL_sv_yes); |
c1939273 | 268 | SvIV(&PL_sv_yes); |
34caed6d DM |
269 | SvREADONLY_on(&PL_sv_yes); |
270 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
271 | ||
272 | SvREADONLY_on(&PL_sv_placeholder); | |
273 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
274 | ||
275 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 276 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 277 | PL_pidstatus = newHV(); |
ca0c25f6 | 278 | #endif |
79072805 | 279 | |
396482e1 | 280 | PL_rs = newSVpvs("\n"); |
dc92893f | 281 | |
cea2e8a9 | 282 | init_stacks(); |
79072805 | 283 | |
748a9306 | 284 | init_ids(); |
a5f75d66 | 285 | |
312caa8e | 286 | JMPENV_BOOTSTRAP; |
f86702cc | 287 | STATUS_ALL_SUCCESS; |
288 | ||
0672f40e | 289 | init_i18nl10n(1); |
36477c24 | 290 | SET_NUMERIC_STANDARD(); |
0b5b802d | 291 | |
ab821d7f | 292 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 293 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 294 | #endif |
295 | ||
52853b95 GS |
296 | #ifdef HAVE_INTERP_INTERN |
297 | sys_intern_init(); | |
298 | #endif | |
299 | ||
3a1ee7e8 | 300 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 301 | |
3280af22 NIS |
302 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
303 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 304 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
305 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
306 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
307 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 308 | #ifdef USE_ITHREADS |
402d2eb1 NC |
309 | /* First entry is a list of empty elements. It needs to be initialised |
310 | else all hell breaks loose in S_find_uninit_var(). */ | |
311 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 312 | PL_regex_pad = AvARRAY(PL_regex_padav); |
1fcf4c12 | 313 | #endif |
e5dd39fc | 314 | #ifdef USE_REENTRANT_API |
59bd0823 | 315 | Perl_reentrant_init(aTHX); |
e5dd39fc | 316 | #endif |
3d47000e AB |
317 | |
318 | /* Note that strtab is a rather special HV. Assumptions are made | |
319 | about not iterating on it, and not adding tie magic to it. | |
320 | It is properly deallocated in perl_destruct() */ | |
321 | PL_strtab = newHV(); | |
322 | ||
3d47000e AB |
323 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
324 | hv_ksplit(PL_strtab, 512); | |
325 | ||
0631ea03 AB |
326 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
327 | _dyld_lookup_and_bind | |
328 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
329 | #endif /* environ */ | |
330 | ||
2f42fcb0 JH |
331 | #ifndef PERL_MICRO |
332 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 333 | PL_origenviron = environ; |
2f42fcb0 | 334 | # endif |
0631ea03 AB |
335 | #endif |
336 | ||
5311654c | 337 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 338 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
339 | * BeOS has those, but returns the wrong value. |
340 | * The HZ if not originally defined has been by now | |
341 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 342 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
343 | PL_clocktick = sysconf(_SC_CLK_TCK); |
344 | if (PL_clocktick <= 0) | |
345 | #endif | |
346 | PL_clocktick = HZ; | |
347 | ||
081fc587 AB |
348 | PL_stashcache = newHV(); |
349 | ||
e8e3635e | 350 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 351 | PL_apiversion = newSVpvs("v" PERL_API_VERSION_STRING); |
d7aa5382 | 352 | |
27da23d5 JH |
353 | #ifdef HAS_MMAP |
354 | if (!PL_mmap_page_size) { | |
355 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
356 | { | |
357 | SETERRNO(0, SS_NORMAL); | |
358 | # ifdef _SC_PAGESIZE | |
359 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
360 | # else | |
361 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
362 | # endif | |
363 | if ((long) PL_mmap_page_size < 0) { | |
364 | if (errno) { | |
44f8325f | 365 | SV * const error = ERRSV; |
d4c19fe8 | 366 | SvUPGRADE(error, SVt_PV); |
0510663f | 367 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
368 | } |
369 | else | |
370 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
371 | } | |
372 | } | |
373 | #else | |
374 | # ifdef HAS_GETPAGESIZE | |
375 | PL_mmap_page_size = getpagesize(); | |
376 | # else | |
377 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
378 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
379 | # endif | |
380 | # endif | |
381 | #endif | |
382 | if (PL_mmap_page_size <= 0) | |
383 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
384 | (IV) PL_mmap_page_size); | |
385 | } | |
386 | #endif /* HAS_MMAP */ | |
387 | ||
388 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
389 | PL_timesbase.tms_utime = 0; | |
390 | PL_timesbase.tms_stime = 0; | |
391 | PL_timesbase.tms_cutime = 0; | |
392 | PL_timesbase.tms_cstime = 0; | |
393 | #endif | |
394 | ||
7d113631 NC |
395 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
396 | ||
a3e6e81e | 397 | PL_registered_mros = newHV(); |
9e169432 NC |
398 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
399 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 400 | |
8990e307 | 401 | ENTER; |
79072805 LW |
402 | } |
403 | ||
954c1994 | 404 | /* |
62375a60 NIS |
405 | =for apidoc nothreadhook |
406 | ||
407 | Stub that provides thread hook for perl_destruct when there are | |
408 | no threads. | |
409 | ||
410 | =cut | |
411 | */ | |
412 | ||
413 | int | |
4e9e3734 | 414 | Perl_nothreadhook(pTHX) |
62375a60 | 415 | { |
96a5add6 | 416 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
417 | return 0; |
418 | } | |
419 | ||
41e4abd8 NC |
420 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
421 | void | |
422 | Perl_dump_sv_child(pTHX_ SV *sv) | |
423 | { | |
424 | ssize_t got; | |
bf357333 NC |
425 | const int sock = PL_dumper_fd; |
426 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
427 | union control_un control; |
428 | struct msghdr msg; | |
808ad2d0 | 429 | struct iovec vec[2]; |
bf357333 | 430 | struct cmsghdr *cmptr; |
808ad2d0 NC |
431 | int returned_errno; |
432 | unsigned char buffer[256]; | |
41e4abd8 | 433 | |
7918f24d NC |
434 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
435 | ||
bf357333 | 436 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
437 | return; |
438 | ||
439 | PerlIO_flush(Perl_debug_log); | |
440 | ||
bf357333 NC |
441 | /* All these shenanigans are to pass a file descriptor over to our child for |
442 | it to dump out to. We can't let it hold open the file descriptor when it | |
443 | forks, as the file descriptor it will dump to can turn out to be one end | |
444 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 445 | be open, the wait would be forever.) */ |
bf357333 NC |
446 | |
447 | msg.msg_control = control.control; | |
448 | msg.msg_controllen = sizeof(control.control); | |
449 | /* We're a connected socket so we don't need a destination */ | |
450 | msg.msg_name = NULL; | |
451 | msg.msg_namelen = 0; | |
452 | msg.msg_iov = vec; | |
808ad2d0 | 453 | msg.msg_iovlen = 1; |
bf357333 NC |
454 | |
455 | cmptr = CMSG_FIRSTHDR(&msg); | |
456 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
457 | cmptr->cmsg_level = SOL_SOCKET; | |
458 | cmptr->cmsg_type = SCM_RIGHTS; | |
459 | *((int *)CMSG_DATA(cmptr)) = 1; | |
460 | ||
461 | vec[0].iov_base = (void*)&sv; | |
462 | vec[0].iov_len = sizeof(sv); | |
463 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
464 | |
465 | if(got < 0) { | |
bf357333 | 466 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
467 | abort(); |
468 | } | |
bf357333 NC |
469 | if(got < sizeof(sv)) { |
470 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
471 | abort(); |
472 | } | |
473 | ||
808ad2d0 NC |
474 | /* Return protocol is |
475 | int: errno value | |
476 | unsigned char: length of location string (0 for empty) | |
477 | unsigned char*: string (not terminated) | |
478 | */ | |
479 | vec[0].iov_base = (void*)&returned_errno; | |
480 | vec[0].iov_len = sizeof(returned_errno); | |
481 | vec[1].iov_base = buffer; | |
482 | vec[1].iov_len = 1; | |
483 | ||
484 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
485 | |
486 | if(got < 0) { | |
487 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 488 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
489 | abort(); |
490 | } | |
808ad2d0 | 491 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 492 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 493 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
494 | abort(); |
495 | } | |
496 | ||
808ad2d0 NC |
497 | if (*buffer) { |
498 | got = read(sock, buffer + 1, *buffer); | |
499 | if(got < 0) { | |
500 | perror("Debug leaking scalars parent read 2 failed"); | |
501 | PerlIO_flush(PerlIO_stderr()); | |
502 | abort(); | |
503 | } | |
504 | ||
505 | if(got < *buffer) { | |
506 | perror("Debug leaking scalars parent short read 2"); | |
507 | PerlIO_flush(PerlIO_stderr()); | |
508 | abort(); | |
509 | } | |
510 | } | |
511 | ||
512 | if (returned_errno || *buffer) { | |
513 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
514 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
515 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
516 | } |
517 | } | |
518 | #endif | |
519 | ||
62375a60 | 520 | /* |
954c1994 GS |
521 | =for apidoc perl_destruct |
522 | ||
523 | Shuts down a Perl interpreter. See L<perlembed>. | |
524 | ||
525 | =cut | |
526 | */ | |
527 | ||
31d77e54 | 528 | int |
0cb96387 | 529 | perl_destruct(pTHXx) |
79072805 | 530 | { |
27da23d5 | 531 | dVAR; |
be2ea8ed | 532 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 533 | HV *hv; |
2aa47728 | 534 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
535 | pid_t child; |
536 | #endif | |
8990e307 | 537 | |
7918f24d NC |
538 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
539 | #ifndef MULTIPLICITY | |
ed6c66dd | 540 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 541 | #endif |
9d4ba2ae | 542 | |
3d22c4f0 GG |
543 | assert(PL_scopestack_ix == 1); |
544 | ||
7766f137 GS |
545 | /* wait for all pseudo-forked children to finish */ |
546 | PERL_WAIT_FOR_CHILDREN; | |
547 | ||
3280af22 | 548 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
549 | #ifdef DEBUGGING |
550 | { | |
9d4ba2ae AL |
551 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
552 | if (s) { | |
e1ec3a88 | 553 | const int i = atoi(s); |
5f05dabc | 554 | if (destruct_level < i) |
555 | destruct_level = i; | |
556 | } | |
4633a7c4 LW |
557 | } |
558 | #endif | |
559 | ||
27da23d5 | 560 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
561 | dJMPENV; |
562 | int x = 0; | |
563 | ||
564 | JMPENV_PUSH(x); | |
1b6737cc | 565 | PERL_UNUSED_VAR(x); |
f3faeb53 AB |
566 | if (PL_endav && !PL_minus_c) |
567 | call_list(PL_scopestack_ix, PL_endav); | |
568 | JMPENV_POP; | |
26f423df | 569 | } |
f3faeb53 | 570 | LEAVE; |
a0d0e21e | 571 | FREETMPS; |
3d22c4f0 | 572 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 573 | |
e00b64d4 | 574 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 575 | my_fflush_all(); |
e00b64d4 | 576 | |
16c91539 | 577 | if (PL_threadhook(aTHX)) { |
62375a60 | 578 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 579 | PL_veto_cleanup = TRUE; |
37038d91 | 580 | return STATUS_EXIT; |
62375a60 NIS |
581 | } |
582 | ||
2aa47728 NC |
583 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
584 | if (destruct_level != 0) { | |
585 | /* Fork here to create a child. Our child's job is to preserve the | |
586 | state of scalars prior to destruction, so that we can instruct it | |
587 | to dump any scalars that we later find have leaked. | |
588 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
589 | fail gracefully */ | |
590 | int fd[2]; | |
591 | ||
592 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
593 | perror("Debug leaking scalars socketpair failed"); | |
594 | abort(); | |
595 | } | |
596 | ||
597 | child = fork(); | |
598 | if(child == -1) { | |
599 | perror("Debug leaking scalars fork failed"); | |
600 | abort(); | |
601 | } | |
602 | if (!child) { | |
603 | /* We are the child */ | |
3125a5a4 NC |
604 | const int sock = fd[1]; |
605 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
606 | int f; | |
808ad2d0 NC |
607 | const char *where; |
608 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 609 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 610 | |
2aa47728 | 611 | close(fd[0]); |
2aa47728 | 612 | |
3125a5a4 NC |
613 | /* We need to close all other file descriptors otherwise we end up |
614 | with interesting hangs, where the parent closes its end of a | |
615 | pipe, and sits waiting for (another) child to terminate. Only | |
616 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
617 | we also have the far end of the pipe open. We even need to |
618 | close the debugging fd, because sometimes it happens to be one | |
619 | end of a pipe, and a process is waiting on the other end for | |
620 | EOF. Normally it would be closed at some point earlier in | |
621 | destruction, but if we happen to cause the pipe to remain open, | |
622 | EOF never occurs, and we get an infinite hang. Hence all the | |
623 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
624 | |
625 | f = sysconf(_SC_OPEN_MAX); | |
626 | if(f < 0) { | |
808ad2d0 NC |
627 | where = "sysconf failed"; |
628 | goto abort; | |
3125a5a4 NC |
629 | } |
630 | while (f--) { | |
631 | if (f == sock) | |
632 | continue; | |
3125a5a4 NC |
633 | close(f); |
634 | } | |
635 | ||
2aa47728 NC |
636 | while (1) { |
637 | SV *target; | |
bf357333 NC |
638 | union control_un control; |
639 | struct msghdr msg; | |
640 | struct iovec vec[1]; | |
641 | struct cmsghdr *cmptr; | |
642 | ssize_t got; | |
643 | int got_fd; | |
644 | ||
645 | msg.msg_control = control.control; | |
646 | msg.msg_controllen = sizeof(control.control); | |
647 | /* We're a connected socket so we don't need a source */ | |
648 | msg.msg_name = NULL; | |
649 | msg.msg_namelen = 0; | |
650 | msg.msg_iov = vec; | |
651 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
652 | ||
653 | vec[0].iov_base = (void*)⌖ | |
654 | vec[0].iov_len = sizeof(target); | |
655 | ||
656 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
657 | |
658 | if(got == 0) | |
659 | break; | |
660 | if(got < 0) { | |
808ad2d0 NC |
661 | where = "recv failed"; |
662 | goto abort; | |
2aa47728 NC |
663 | } |
664 | if(got < sizeof(target)) { | |
808ad2d0 NC |
665 | where = "short recv"; |
666 | goto abort; | |
2aa47728 | 667 | } |
bf357333 | 668 | |
808ad2d0 NC |
669 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
670 | where = "no cmsg"; | |
671 | goto abort; | |
672 | } | |
673 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
674 | where = "wrong cmsg_len"; | |
675 | goto abort; | |
676 | } | |
677 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
678 | where = "wrong cmsg_level"; | |
679 | goto abort; | |
680 | } | |
681 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
682 | where = "wrong cmsg_type"; | |
683 | goto abort; | |
684 | } | |
bf357333 NC |
685 | |
686 | got_fd = *(int*)CMSG_DATA(cmptr); | |
687 | /* For our last little bit of trickery, put the file descriptor | |
688 | back into Perl_debug_log, as if we never actually closed it | |
689 | */ | |
808ad2d0 NC |
690 | if(got_fd != debug_fd) { |
691 | if (dup2(got_fd, debug_fd) == -1) { | |
692 | where = "dup2"; | |
693 | goto abort; | |
694 | } | |
695 | } | |
2aa47728 | 696 | sv_dump(target); |
bf357333 | 697 | |
2aa47728 NC |
698 | PerlIO_flush(Perl_debug_log); |
699 | ||
808ad2d0 | 700 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
701 | |
702 | if(got < 0) { | |
808ad2d0 NC |
703 | where = "write failed"; |
704 | goto abort; | |
2aa47728 | 705 | } |
808ad2d0 NC |
706 | if(got < sizeof(success)) { |
707 | where = "short write"; | |
708 | goto abort; | |
2aa47728 NC |
709 | } |
710 | } | |
711 | _exit(0); | |
808ad2d0 NC |
712 | abort: |
713 | { | |
714 | int send_errno = errno; | |
715 | unsigned char length = (unsigned char) strlen(where); | |
716 | struct iovec failure[3] = { | |
717 | {(void*)&send_errno, sizeof(send_errno)}, | |
718 | {&length, 1}, | |
719 | {(void*)where, length} | |
720 | }; | |
721 | int got = writev(sock, failure, 3); | |
722 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
723 | in the parent if we try to read from the socketpair after the | |
724 | child has exited, even if there was data to read. | |
725 | So sleep a bit to give the parent a fighting chance of | |
726 | reading the data. */ | |
727 | sleep(2); | |
728 | _exit((got == -1) ? errno : 0); | |
729 | } | |
bf357333 | 730 | /* End of child. */ |
2aa47728 | 731 | } |
41e4abd8 | 732 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
733 | close(fd[1]); |
734 | } | |
735 | #endif | |
736 | ||
ff0cee69 | 737 | /* We must account for everything. */ |
738 | ||
739 | /* Destroy the main CV and syntax tree */ | |
17fbfdf6 NC |
740 | /* Do this now, because destroying ops can cause new SVs to be generated |
741 | in Perl_pad_swipe, and when running with -DDEBUG_LEAKING_SCALARS they | |
742 | PL_curcop to point to a valid op from which the filename structure | |
743 | member is copied. */ | |
744 | PL_curcop = &PL_compiling; | |
3280af22 | 745 | if (PL_main_root) { |
4e380990 DM |
746 | /* ensure comppad/curpad to refer to main's pad */ |
747 | if (CvPADLIST(PL_main_cv)) { | |
748 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
749 | } | |
3280af22 | 750 | op_free(PL_main_root); |
5f66b61c | 751 | PL_main_root = NULL; |
a0d0e21e | 752 | } |
5f66b61c | 753 | PL_main_start = NULL; |
3280af22 | 754 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 755 | PL_main_cv = NULL; |
24d3c518 | 756 | PL_dirty = TRUE; |
ff0cee69 | 757 | |
13621cfb NIS |
758 | /* Tell PerlIO we are about to tear things apart in case |
759 | we have layers which are using resources that should | |
760 | be cleaned up now. | |
761 | */ | |
762 | ||
763 | PerlIO_destruct(aTHX); | |
764 | ||
3280af22 | 765 | if (PL_sv_objcount) { |
a0d0e21e LW |
766 | /* |
767 | * Try to destruct global references. We do this first so that the | |
768 | * destructors and destructees still exist. Some sv's might remain. | |
769 | * Non-referenced objects are on their own. | |
770 | */ | |
a0d0e21e | 771 | sv_clean_objs(); |
bf9cdc68 | 772 | PL_sv_objcount = 0; |
a0de6cf5 | 773 | if (PL_defoutgv && !SvREFCNT(PL_defoutgv)) |
a0714e2c | 774 | PL_defoutgv = NULL; /* may have been freed */ |
8990e307 LW |
775 | } |
776 | ||
5cd24f17 | 777 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 778 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 779 | PL_warnhook = NULL; |
3280af22 | 780 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 781 | PL_diehook = NULL; |
5cd24f17 | 782 | |
4b556e6c | 783 | /* call exit list functions */ |
3280af22 | 784 | while (PL_exitlistlen-- > 0) |
acfe0abc | 785 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 786 | |
3280af22 | 787 | Safefree(PL_exitlist); |
4b556e6c | 788 | |
1c4916e5 CB |
789 | PL_exitlist = NULL; |
790 | PL_exitlistlen = 0; | |
791 | ||
a3e6e81e NC |
792 | SvREFCNT_dec(PL_registered_mros); |
793 | ||
551a8b83 | 794 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
795 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
796 | * so we certainly shouldn't free it here | |
797 | */ | |
2f42fcb0 | 798 | #ifndef PERL_MICRO |
4b647fb0 | 799 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 800 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
801 | #ifdef USE_ITHREADS |
802 | /* only main thread can free environ[0] contents */ | |
803 | && PL_curinterp == aTHX | |
804 | #endif | |
805 | ) | |
806 | { | |
551a8b83 JH |
807 | I32 i; |
808 | ||
809 | for (i = 0; environ[i]; i++) | |
4b420006 | 810 | safesysfree(environ[i]); |
0631ea03 | 811 | |
4b420006 JH |
812 | /* Must use safesysfree() when working with environ. */ |
813 | safesysfree(environ); | |
551a8b83 JH |
814 | |
815 | environ = PL_origenviron; | |
816 | } | |
817 | #endif | |
2f42fcb0 | 818 | #endif /* !PERL_MICRO */ |
551a8b83 | 819 | |
30985c42 JH |
820 | if (destruct_level == 0) { |
821 | ||
822 | DEBUG_P(debprofdump()); | |
823 | ||
824 | #if defined(PERLIO_LAYERS) | |
825 | /* No more IO - including error messages ! */ | |
826 | PerlIO_cleanup(aTHX); | |
827 | #endif | |
828 | ||
829 | CopFILE_free(&PL_compiling); | |
830 | CopSTASH_free(&PL_compiling); | |
831 | ||
832 | /* The exit() function will do everything that needs doing. */ | |
833 | return STATUS_EXIT; | |
834 | } | |
835 | ||
804ffa60 | 836 | /* reset so print() ends up where we expect */ |
a0714e2c | 837 | setdefout(NULL); |
804ffa60 | 838 | |
5f8cb046 DM |
839 | #ifdef USE_ITHREADS |
840 | /* the syntax tree is shared between clones | |
841 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
842 | * REGEXPs in the parent interpreter | |
843 | * we need to manually ReREFCNT_dec for the clones | |
844 | */ | |
5f8cb046 | 845 | SvREFCNT_dec(PL_regex_padav); |
7d49f689 | 846 | PL_regex_padav = NULL; |
5f8cb046 DM |
847 | PL_regex_pad = NULL; |
848 | #endif | |
849 | ||
ad64d0ec | 850 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
851 | PL_stashcache = NULL; |
852 | ||
5f05dabc | 853 | /* loosen bonds of global variables */ |
854 | ||
2f9285f8 DM |
855 | /* XXX can PL_parser still be non-null here? */ |
856 | if(PL_parser && PL_parser->rsfp) { | |
857 | (void)PerlIO_close(PL_parser->rsfp); | |
858 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 859 | } |
860 | ||
84386e14 RGS |
861 | if (PL_minus_F) { |
862 | Safefree(PL_splitstr); | |
863 | PL_splitstr = NULL; | |
864 | } | |
865 | ||
8ebc5c01 | 866 | /* switches */ |
3280af22 NIS |
867 | PL_minus_n = FALSE; |
868 | PL_minus_p = FALSE; | |
869 | PL_minus_l = FALSE; | |
870 | PL_minus_a = FALSE; | |
871 | PL_minus_F = FALSE; | |
872 | PL_doswitches = FALSE; | |
599cee73 | 873 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
874 | PL_doextract = FALSE; |
875 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
876 | PL_unsafe = FALSE; |
877 | ||
878 | Safefree(PL_inplace); | |
bd61b366 | 879 | PL_inplace = NULL; |
a7cb1f99 | 880 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 881 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
882 | |
883 | if (PL_e_script) { | |
884 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 885 | PL_e_script = NULL; |
8ebc5c01 | 886 | } |
887 | ||
bf9cdc68 RG |
888 | PL_perldb = 0; |
889 | ||
8ebc5c01 | 890 | /* magical thingies */ |
891 | ||
e23d9e2f CS |
892 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
893 | PL_ofsgv = NULL; | |
5f05dabc | 894 | |
7889fe52 | 895 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 896 | PL_ors_sv = NULL; |
8ebc5c01 | 897 | |
3280af22 | 898 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 899 | PL_rs = NULL; |
dc92893f | 900 | |
d33b2eba | 901 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 902 | PL_osname = NULL; |
5f05dabc | 903 | |
3280af22 | 904 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
905 | PL_statname = NULL; |
906 | PL_statgv = NULL; | |
5f05dabc | 907 | |
8ebc5c01 | 908 | /* defgv, aka *_ should be taken care of elsewhere */ |
909 | ||
8ebc5c01 | 910 | /* clean up after study() */ |
3280af22 | 911 | SvREFCNT_dec(PL_lastscream); |
a0714e2c | 912 | PL_lastscream = NULL; |
3280af22 NIS |
913 | Safefree(PL_screamfirst); |
914 | PL_screamfirst = 0; | |
915 | Safefree(PL_screamnext); | |
916 | PL_screamnext = 0; | |
8ebc5c01 | 917 | |
7d5ea4e7 GS |
918 | /* float buffer */ |
919 | Safefree(PL_efloatbuf); | |
bd61b366 | 920 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
921 | PL_efloatsize = 0; |
922 | ||
8ebc5c01 | 923 | /* startup and shutdown function lists */ |
3280af22 | 924 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 925 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 926 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 927 | SvREFCNT_dec(PL_checkav); |
ece599bd | 928 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
929 | SvREFCNT_dec(PL_unitcheckav); |
930 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 931 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
932 | PL_beginav = NULL; |
933 | PL_beginav_save = NULL; | |
934 | PL_endav = NULL; | |
935 | PL_checkav = NULL; | |
936 | PL_checkav_save = NULL; | |
3c10abe3 AG |
937 | PL_unitcheckav = NULL; |
938 | PL_unitcheckav_save = NULL; | |
7d49f689 | 939 | PL_initav = NULL; |
5618dfe8 | 940 | |
8ebc5c01 | 941 | /* shortcuts just get cleared */ |
a0714e2c SS |
942 | PL_envgv = NULL; |
943 | PL_incgv = NULL; | |
944 | PL_hintgv = NULL; | |
945 | PL_errgv = NULL; | |
946 | PL_argvgv = NULL; | |
947 | PL_argvoutgv = NULL; | |
948 | PL_stdingv = NULL; | |
949 | PL_stderrgv = NULL; | |
950 | PL_last_in_gv = NULL; | |
951 | PL_replgv = NULL; | |
952 | PL_DBgv = NULL; | |
953 | PL_DBline = NULL; | |
954 | PL_DBsub = NULL; | |
955 | PL_DBsingle = NULL; | |
956 | PL_DBtrace = NULL; | |
957 | PL_DBsignal = NULL; | |
601f1833 | 958 | PL_DBcv = NULL; |
7d49f689 | 959 | PL_dbargs = NULL; |
5c284bb0 | 960 | PL_debstash = NULL; |
8ebc5c01 | 961 | |
7a1c5554 | 962 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 963 | PL_argvout_stack = NULL; |
8ebc5c01 | 964 | |
5c831c24 | 965 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 966 | PL_modglobal = NULL; |
5c831c24 | 967 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 968 | PL_preambleav = NULL; |
5c831c24 | 969 | SvREFCNT_dec(PL_subname); |
a0714e2c | 970 | PL_subname = NULL; |
ca0c25f6 | 971 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 972 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 973 | PL_pidstatus = NULL; |
ca0c25f6 | 974 | #endif |
5c831c24 | 975 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 976 | PL_toptarget = NULL; |
5c831c24 | 977 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
978 | PL_bodytarget = NULL; |
979 | PL_formtarget = NULL; | |
5c831c24 | 980 | |
d33b2eba | 981 | /* free locale stuff */ |
b9582b6a | 982 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 983 | Safefree(PL_collation_name); |
bd61b366 | 984 | PL_collation_name = NULL; |
b9582b6a | 985 | #endif |
d33b2eba | 986 | |
b9582b6a | 987 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 988 | Safefree(PL_numeric_name); |
bd61b366 | 989 | PL_numeric_name = NULL; |
a453c169 | 990 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 991 | PL_numeric_radix_sv = NULL; |
b9582b6a | 992 | #endif |
d33b2eba | 993 | |
5c831c24 GS |
994 | /* clear utf8 character classes */ |
995 | SvREFCNT_dec(PL_utf8_alnum); | |
5c831c24 GS |
996 | SvREFCNT_dec(PL_utf8_ascii); |
997 | SvREFCNT_dec(PL_utf8_alpha); | |
998 | SvREFCNT_dec(PL_utf8_space); | |
999 | SvREFCNT_dec(PL_utf8_cntrl); | |
1000 | SvREFCNT_dec(PL_utf8_graph); | |
1001 | SvREFCNT_dec(PL_utf8_digit); | |
1002 | SvREFCNT_dec(PL_utf8_upper); | |
1003 | SvREFCNT_dec(PL_utf8_lower); | |
1004 | SvREFCNT_dec(PL_utf8_print); | |
1005 | SvREFCNT_dec(PL_utf8_punct); | |
1006 | SvREFCNT_dec(PL_utf8_xdigit); | |
1007 | SvREFCNT_dec(PL_utf8_mark); | |
1008 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1009 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1010 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1011 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1012 | SvREFCNT_dec(PL_utf8_idstart); |
1013 | SvREFCNT_dec(PL_utf8_idcont); | |
a0714e2c | 1014 | PL_utf8_alnum = NULL; |
a0714e2c SS |
1015 | PL_utf8_ascii = NULL; |
1016 | PL_utf8_alpha = NULL; | |
1017 | PL_utf8_space = NULL; | |
1018 | PL_utf8_cntrl = NULL; | |
1019 | PL_utf8_graph = NULL; | |
1020 | PL_utf8_digit = NULL; | |
1021 | PL_utf8_upper = NULL; | |
1022 | PL_utf8_lower = NULL; | |
1023 | PL_utf8_print = NULL; | |
1024 | PL_utf8_punct = NULL; | |
1025 | PL_utf8_xdigit = NULL; | |
1026 | PL_utf8_mark = NULL; | |
1027 | PL_utf8_toupper = NULL; | |
1028 | PL_utf8_totitle = NULL; | |
1029 | PL_utf8_tolower = NULL; | |
1030 | PL_utf8_tofold = NULL; | |
1031 | PL_utf8_idstart = NULL; | |
1032 | PL_utf8_idcont = NULL; | |
5c831c24 | 1033 | |
971a9dd3 | 1034 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1035 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1036 | PL_compiling.cop_warnings = NULL; |
c28fe1ec NC |
1037 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); |
1038 | PL_compiling.cop_hints_hash = NULL; | |
05ec9bb3 NIS |
1039 | CopFILE_free(&PL_compiling); |
1040 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 1041 | |
a0d0e21e | 1042 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1043 | |
3280af22 NIS |
1044 | hv = PL_defstash; |
1045 | PL_defstash = 0; | |
a0d0e21e | 1046 | SvREFCNT_dec(hv); |
5c831c24 | 1047 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1048 | PL_curstname = NULL; |
a0d0e21e | 1049 | |
5a844595 GS |
1050 | /* clear queued errors */ |
1051 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1052 | PL_errors = NULL; |
5a844595 | 1053 | |
dd69841b BB |
1054 | SvREFCNT_dec(PL_isarev); |
1055 | ||
a0d0e21e | 1056 | FREETMPS; |
9b387841 | 1057 | if (destruct_level >= 2) { |
3280af22 | 1058 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1059 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1060 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1061 | (long)PL_scopestack_ix); | |
3280af22 | 1062 | if (PL_savestack_ix != 0) |
9b387841 NC |
1063 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1064 | "Unbalanced saves: %ld more saves than restores\n", | |
1065 | (long)PL_savestack_ix); | |
3280af22 | 1066 | if (PL_tmps_floor != -1) |
9b387841 NC |
1067 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1068 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1069 | if (cxstack_ix != -1) |
9b387841 NC |
1070 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1071 | (long)cxstack_ix + 1); | |
a0d0e21e | 1072 | } |
8990e307 LW |
1073 | |
1074 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
5226ed68 JH |
1075 | |
1076 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1077 | while (sv_clean_all() > 2) |
5226ed68 JH |
1078 | ; |
1079 | ||
d4777f27 GS |
1080 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1081 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1082 | PL_fdpid = NULL; |
d33b2eba | 1083 | |
6c644e78 GS |
1084 | #ifdef HAVE_INTERP_INTERN |
1085 | sys_intern_clear(); | |
1086 | #endif | |
1087 | ||
6e72f9df | 1088 | /* Destruct the global string table. */ |
1089 | { | |
1090 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1091 | * so that sv_free() won't fail on them. | |
80459961 NC |
1092 | * Now that the global string table is using a single hunk of memory |
1093 | * for both HE and HEK, we either need to explicitly unshare it the | |
1094 | * correct way, or actually free things here. | |
6e72f9df | 1095 | */ |
80459961 NC |
1096 | I32 riter = 0; |
1097 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1098 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1099 | HE *hent = array[0]; |
1100 | ||
6e72f9df | 1101 | for (;;) { |
0453d815 | 1102 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1103 | HE * const next = HeNEXT(hent); |
9014280d | 1104 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1105 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1106 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1107 | Safefree(hent); |
1108 | hent = next; | |
6e72f9df | 1109 | } |
1110 | if (!hent) { | |
1111 | if (++riter > max) | |
1112 | break; | |
1113 | hent = array[riter]; | |
1114 | } | |
1115 | } | |
80459961 NC |
1116 | |
1117 | Safefree(array); | |
1118 | HvARRAY(PL_strtab) = 0; | |
1119 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1120 | } |
3280af22 | 1121 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1122 | |
e652bb2f | 1123 | #ifdef USE_ITHREADS |
c21d1a0f | 1124 | /* free the pointer tables used for cloning */ |
a0739874 | 1125 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1126 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1127 | #endif |
a0739874 | 1128 | |
d33b2eba GS |
1129 | /* free special SVs */ |
1130 | ||
1131 | SvREFCNT(&PL_sv_yes) = 0; | |
1132 | sv_clear(&PL_sv_yes); | |
1133 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1134 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1135 | |
1136 | SvREFCNT(&PL_sv_no) = 0; | |
1137 | sv_clear(&PL_sv_no); | |
1138 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1139 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1140 | |
9f375a43 DM |
1141 | { |
1142 | int i; | |
1143 | for (i=0; i<=2; i++) { | |
1144 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1145 | sv_clear(PERL_DEBUG_PAD(i)); | |
1146 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1147 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1148 | } | |
1149 | } | |
1150 | ||
0453d815 | 1151 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1152 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1153 | |
eba0f806 DM |
1154 | #ifdef DEBUG_LEAKING_SCALARS |
1155 | if (PL_sv_count != 0) { | |
1156 | SV* sva; | |
1157 | SV* sv; | |
1158 | register SV* svend; | |
1159 | ||
ad64d0ec | 1160 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1161 | svend = &sva[SvREFCNT(sva)]; |
1162 | for (sv = sva + 1; sv < svend; ++sv) { | |
1163 | if (SvTYPE(sv) != SVTYPEMASK) { | |
a548cda8 | 1164 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1165 | " flags=0x%"UVxf |
fd0854ff | 1166 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1167 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1168 | "serial %"UVuf"\n", | |
574b8821 NC |
1169 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1170 | pTHX__VALUE, | |
fd0854ff DM |
1171 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1172 | sv->sv_debug_line, | |
1173 | sv->sv_debug_inpad ? "for" : "by", | |
1174 | sv->sv_debug_optype ? | |
1175 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1176 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1177 | sv->sv_debug_serial |
fd0854ff | 1178 | ); |
2aa47728 | 1179 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1180 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1181 | #endif |
eba0f806 DM |
1182 | } |
1183 | } | |
1184 | } | |
1185 | } | |
2aa47728 NC |
1186 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1187 | { | |
1188 | int status; | |
1189 | fd_set rset; | |
1190 | /* Wait for up to 4 seconds for child to terminate. | |
1191 | This seems to be the least effort way of timing out on reaping | |
1192 | its exit status. */ | |
1193 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1194 | int sock = PL_dumper_fd; |
2aa47728 NC |
1195 | |
1196 | shutdown(sock, 1); | |
1197 | FD_ZERO(&rset); | |
1198 | FD_SET(sock, &rset); | |
1199 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1200 | waitpid(child, &status, WNOHANG); | |
1201 | close(sock); | |
1202 | } | |
1203 | #endif | |
eba0f806 | 1204 | #endif |
77abb4c6 NC |
1205 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1206 | if (PL_sv_count) | |
1207 | abort(); | |
1208 | #endif | |
bf9cdc68 | 1209 | PL_sv_count = 0; |
eba0f806 | 1210 | |
f1fac472 NC |
1211 | #ifdef PERL_DEBUG_READONLY_OPS |
1212 | free(PL_slabs); | |
1213 | PL_slabs = NULL; | |
1214 | PL_slab_count = 0; | |
1215 | #endif | |
eba0f806 | 1216 | |
56a2bab7 | 1217 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1218 | /* No more IO - including error messages ! */ |
1219 | PerlIO_cleanup(aTHX); | |
1220 | #endif | |
1221 | ||
9f4bd222 | 1222 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1223 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1224 | for no arg - and will try and SvREFCNT_dec it. |
1225 | */ | |
1226 | SvREFCNT(&PL_sv_undef) = 0; | |
1227 | SvREADONLY_off(&PL_sv_undef); | |
1228 | ||
3280af22 | 1229 | Safefree(PL_origfilename); |
bd61b366 | 1230 | PL_origfilename = NULL; |
3280af22 | 1231 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1232 | PL_reg_start_tmp = (char**)NULL; |
1233 | PL_reg_start_tmpl = 0; | |
43c5f42d | 1234 | Safefree(PL_reg_curpm); |
82ba1be6 | 1235 | Safefree(PL_reg_poscache); |
dd28f7bb | 1236 | free_tied_hv_pool(); |
3280af22 | 1237 | Safefree(PL_op_mask); |
cf36064f | 1238 | Safefree(PL_psig_name); |
bf9cdc68 | 1239 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1240 | PL_psig_ptr = (SV**)NULL; |
ce08f86c | 1241 | Safefree(PL_psig_pend); |
bf9cdc68 | 1242 | PL_psig_pend = (int*)NULL; |
31c91b43 LR |
1243 | { |
1244 | /* We need to NULL PL_psig_pend first, so that | |
1245 | signal handlers know not to use it */ | |
1246 | int *psig_save = PL_psig_pend; | |
1247 | PL_psig_pend = (int*)NULL; | |
1248 | Safefree(psig_save); | |
1249 | } | |
a0714e2c | 1250 | PL_formfeed = NULL; |
6e72f9df | 1251 | nuke_stacks(); |
bf9cdc68 RG |
1252 | PL_tainting = FALSE; |
1253 | PL_taint_warn = FALSE; | |
3280af22 | 1254 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1255 | PL_debug = 0; |
ac27b0f5 | 1256 | |
a0d0e21e | 1257 | DEBUG_P(debprofdump()); |
d33b2eba | 1258 | |
e5dd39fc | 1259 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1260 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1261 | #endif |
1262 | ||
612f20c3 GS |
1263 | sv_free_arenas(); |
1264 | ||
5d9a96ca DM |
1265 | while (PL_regmatch_slab) { |
1266 | regmatch_slab *s = PL_regmatch_slab; | |
1267 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1268 | Safefree(s); | |
1269 | } | |
1270 | ||
fc36a67e | 1271 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1272 | ||
3280af22 | 1273 | if (PL_mess_sv) { |
f350b448 NC |
1274 | /* we know that type == SVt_PVMG */ |
1275 | ||
9c63abab | 1276 | /* it could have accumulated taint magic */ |
f350b448 NC |
1277 | MAGIC* mg; |
1278 | MAGIC* moremagic; | |
1279 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1280 | moremagic = mg->mg_moremagic; | |
1281 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1282 | && mg->mg_len >= 0) | |
1283 | Safefree(mg->mg_ptr); | |
1284 | Safefree(mg); | |
9c63abab | 1285 | } |
f350b448 | 1286 | |
fc36a67e | 1287 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1288 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1289 | Safefree(SvANY(PL_mess_sv)); |
1290 | Safefree(PL_mess_sv); | |
a0714e2c | 1291 | PL_mess_sv = NULL; |
fc36a67e | 1292 | } |
37038d91 | 1293 | return STATUS_EXIT; |
79072805 LW |
1294 | } |
1295 | ||
954c1994 GS |
1296 | /* |
1297 | =for apidoc perl_free | |
1298 | ||
1299 | Releases a Perl interpreter. See L<perlembed>. | |
1300 | ||
1301 | =cut | |
1302 | */ | |
1303 | ||
79072805 | 1304 | void |
0cb96387 | 1305 | perl_free(pTHXx) |
79072805 | 1306 | { |
5174512c NC |
1307 | dVAR; |
1308 | ||
7918f24d NC |
1309 | PERL_ARGS_ASSERT_PERL_FREE; |
1310 | ||
c301d606 DM |
1311 | if (PL_veto_cleanup) |
1312 | return; | |
1313 | ||
7cb608b5 | 1314 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1315 | { |
1316 | /* | |
1317 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1318 | * value as we're probably hunting memory leaks then | |
1319 | */ | |
1320 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); | |
1321 | if (!s || atoi(s) == 0) { | |
4fd0a9b8 | 1322 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1323 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1324 | thread at thread exit. */ | |
4fd0a9b8 NC |
1325 | if (DEBUG_m_TEST) { |
1326 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1327 | "free this thread's memory\n"); | |
1328 | PL_debug &= ~ DEBUG_m_FLAG; | |
1329 | } | |
55ef9aae MHM |
1330 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1331 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1332 | PL_debug = old_debug; |
55ef9aae MHM |
1333 | } |
1334 | } | |
7cb608b5 NC |
1335 | #endif |
1336 | ||
acfe0abc | 1337 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1338 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1339 | { |
acfe0abc | 1340 | # ifdef NETWARE |
7af12a34 | 1341 | void *host = nw_internal_host; |
acfe0abc | 1342 | # else |
7af12a34 | 1343 | void *host = w32_internal_host; |
acfe0abc | 1344 | # endif |
7af12a34 | 1345 | PerlMem_free(aTHXx); |
acfe0abc | 1346 | # ifdef NETWARE |
7af12a34 | 1347 | nw_delete_internal_host(host); |
acfe0abc | 1348 | # else |
7af12a34 | 1349 | win32_delete_internal_host(host); |
acfe0abc | 1350 | # endif |
7af12a34 | 1351 | } |
1c0ca838 GS |
1352 | # else |
1353 | PerlMem_free(aTHXx); | |
1354 | # endif | |
acfe0abc GS |
1355 | #else |
1356 | PerlMem_free(aTHXx); | |
76e3520e | 1357 | #endif |
79072805 LW |
1358 | } |
1359 | ||
b7f7fff6 | 1360 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1361 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1362 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1363 | ||
826955bd | 1364 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1365 | #pragma fini "perl_fini" |
666ad1ec GA |
1366 | #elif defined(__sun) && !defined(__GNUC__) |
1367 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1368 | #endif |
1369 | ||
0dbb1585 AL |
1370 | static void |
1371 | #if defined(__GNUC__) | |
1372 | __attribute__((destructor)) | |
aebd1ac7 | 1373 | #endif |
de009b76 | 1374 | perl_fini(void) |
aebd1ac7 | 1375 | { |
27da23d5 | 1376 | dVAR; |
c301d606 | 1377 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1378 | FREE_THREAD_KEY; |
1379 | } | |
1380 | ||
1381 | #endif /* WIN32 */ | |
1382 | #endif /* THREADS */ | |
1383 | ||
4b556e6c | 1384 | void |
864dbfa3 | 1385 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1386 | { |
97aff369 | 1387 | dVAR; |
3280af22 NIS |
1388 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1389 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1390 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1391 | ++PL_exitlistlen; | |
4b556e6c JD |
1392 | } |
1393 | ||
56cf6df8 RGS |
1394 | #ifdef HAS_PROCSELFEXE |
1395 | /* This is a function so that we don't hold on to MAXPATHLEN | |
1396 | bytes of stack longer than necessary | |
1397 | */ | |
1398 | STATIC void | |
e1ec3a88 | 1399 | S_procself_val(pTHX_ SV *sv, const char *arg0) |
56cf6df8 RGS |
1400 | { |
1401 | char buf[MAXPATHLEN]; | |
1402 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1403 | ||
1404 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1405 | includes a spurious NUL which will cause $^X to fail in system | |
1406 | or backticks (this will prevent extensions from being built and | |
1407 | many tests from working). readlink is not meant to add a NUL. | |
1408 | Normal readlink works fine. | |
1409 | */ | |
1410 | if (len > 0 && buf[len-1] == '\0') { | |
1411 | len--; | |
1412 | } | |
1413 | ||
1414 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1415 | returning the text "unknown" from the readlink rather than the path | |
1416 | to the executable (or returning an error from the readlink). Any valid | |
1417 | path has a '/' in it somewhere, so use that to validate the result. | |
1418 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1419 | */ | |
1420 | if (len > 0 && memchr(buf, '/', len)) { | |
1421 | sv_setpvn(sv,buf,len); | |
1422 | } | |
1423 | else { | |
1424 | sv_setpv(sv,arg0); | |
1425 | } | |
1426 | } | |
1427 | #endif /* HAS_PROCSELFEXE */ | |
b7975bdd NC |
1428 | |
1429 | STATIC void | |
1430 | S_set_caret_X(pTHX) { | |
97aff369 | 1431 | dVAR; |
fafc274c | 1432 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd NC |
1433 | if (tmpgv) { |
1434 | #ifdef HAS_PROCSELFEXE | |
1435 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
1436 | #else | |
1437 | #ifdef OS2 | |
c69033f2 | 1438 | sv_setpv(GvSVn(tmpgv), os2_execname(aTHX)); |
b7975bdd | 1439 | #else |
c69033f2 | 1440 | sv_setpv(GvSVn(tmpgv),PL_origargv[0]); |
b7975bdd NC |
1441 | #endif |
1442 | #endif | |
1443 | } | |
1444 | } | |
1445 | ||
954c1994 GS |
1446 | /* |
1447 | =for apidoc perl_parse | |
1448 | ||
1449 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1450 | ||
1451 | =cut | |
1452 | */ | |
1453 | ||
79072805 | 1454 | int |
0cb96387 | 1455 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1456 | { |
27da23d5 | 1457 | dVAR; |
6224f72b | 1458 | I32 oldscope; |
6224f72b | 1459 | int ret; |
db36c5a1 | 1460 | dJMPENV; |
8d063cd8 | 1461 | |
7918f24d NC |
1462 | PERL_ARGS_ASSERT_PERL_PARSE; |
1463 | #ifndef MULTIPLICITY | |
ed6c66dd | 1464 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1465 | #endif |
9d4ba2ae | 1466 | |
b0891165 JH |
1467 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1468 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1469 | * This MUST be done before any hash stores or fetches take place. |
008fb0c0 NC |
1470 | * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set) |
1471 | * yourself, it is your responsibility to provide a good random seed! | |
830b38bd | 1472 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1473 | if (!PL_rehash_seed_set) |
1474 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1475 | { |
9d4ba2ae | 1476 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
bed60192 | 1477 | |
1b6737cc AL |
1478 | if (s && (atoi(s) == 1)) |
1479 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", PL_rehash_seed); | |
b0891165 JH |
1480 | } |
1481 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1482 | ||
3280af22 | 1483 | PL_origargc = argc; |
e2975953 | 1484 | PL_origargv = argv; |
a0d0e21e | 1485 | |
a2722ac9 GA |
1486 | if (PL_origalen != 0) { |
1487 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1488 | } | |
1489 | else { | |
3cb9023d JH |
1490 | /* Set PL_origalen be the sum of the contiguous argv[] |
1491 | * elements plus the size of the env in case that it is | |
e9137a8e | 1492 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1493 | * as the maximum modifiable length of $0. In the worst case |
1494 | * the area we are able to modify is limited to the size of | |
43c32782 | 1495 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1496 | * --jhi */ |
e1ec3a88 | 1497 | const char *s = NULL; |
54bfe034 | 1498 | int i; |
1b6737cc | 1499 | const UV mask = |
7d8e7db3 | 1500 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1501 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1502 | const UV aligned = |
43c32782 JH |
1503 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1504 | ||
1505 | /* See if all the arguments are contiguous in memory. Note | |
1506 | * that 'contiguous' is a loose term because some platforms | |
1507 | * align the argv[] and the envp[]. If the arguments look | |
1508 | * like non-aligned, assume that they are 'strictly' or | |
1509 | * 'traditionally' contiguous. If the arguments look like | |
1510 | * aligned, we just check that they are within aligned | |
1511 | * PTRSIZE bytes. As long as no system has something bizarre | |
1512 | * like the argv[] interleaved with some other data, we are | |
1513 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1514 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1515 | while (*s) s++; | |
1516 | for (i = 1; i < PL_origargc; i++) { | |
1517 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1518 | #ifdef OS2 |
c8941eeb | 1519 | || PL_origargv[i] == s + 2 |
43c32782 | 1520 | #endif |
c8941eeb JH |
1521 | ) |
1522 | || | |
1523 | (aligned && | |
1524 | (PL_origargv[i] > s && | |
1525 | PL_origargv[i] <= | |
1526 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1527 | ) | |
1528 | { | |
1529 | s = PL_origargv[i]; | |
1530 | while (*s) s++; | |
1531 | } | |
1532 | else | |
1533 | break; | |
54bfe034 | 1534 | } |
54bfe034 | 1535 | } |
a4a109c2 JD |
1536 | |
1537 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1538 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1539 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1540 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1541 | || |
1542 | (aligned && | |
1543 | (PL_origenviron[0] > s && | |
1544 | PL_origenviron[0] <= | |
1545 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1546 | ) | |
1547 | { | |
9d419b5f | 1548 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1549 | s = PL_origenviron[0]; |
1550 | while (*s) s++; | |
1551 | #endif | |
bd61b366 | 1552 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1553 | /* Force copy of environment. */ |
1554 | for (i = 1; PL_origenviron[i]; i++) { | |
1555 | if (PL_origenviron[i] == s + 1 | |
1556 | || | |
1557 | (aligned && | |
1558 | (PL_origenviron[i] > s && | |
1559 | PL_origenviron[i] <= | |
1560 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1561 | ) | |
1562 | { | |
1563 | s = PL_origenviron[i]; | |
1564 | while (*s) s++; | |
1565 | } | |
1566 | else | |
1567 | break; | |
54bfe034 | 1568 | } |
43c32782 | 1569 | } |
54bfe034 | 1570 | } |
a4a109c2 JD |
1571 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1572 | ||
2d2af554 | 1573 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1574 | } |
1575 | ||
3280af22 | 1576 | if (PL_do_undump) { |
a0d0e21e LW |
1577 | |
1578 | /* Come here if running an undumped a.out. */ | |
1579 | ||
3280af22 NIS |
1580 | PL_origfilename = savepv(argv[0]); |
1581 | PL_do_undump = FALSE; | |
a0d0e21e | 1582 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1583 | init_ids(); |
b7975bdd NC |
1584 | assert (!PL_tainted); |
1585 | TAINT; | |
1586 | S_set_caret_X(aTHX); | |
1587 | TAINT_NOT; | |
a0d0e21e LW |
1588 | init_postdump_symbols(argc,argv,env); |
1589 | return 0; | |
1590 | } | |
1591 | ||
3280af22 | 1592 | if (PL_main_root) { |
3280af22 | 1593 | op_free(PL_main_root); |
5f66b61c | 1594 | PL_main_root = NULL; |
ff0cee69 | 1595 | } |
5f66b61c | 1596 | PL_main_start = NULL; |
3280af22 | 1597 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1598 | PL_main_cv = NULL; |
79072805 | 1599 | |
3280af22 NIS |
1600 | time(&PL_basetime); |
1601 | oldscope = PL_scopestack_ix; | |
599cee73 | 1602 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1603 | |
14dd3ad8 | 1604 | JMPENV_PUSH(ret); |
6224f72b | 1605 | switch (ret) { |
312caa8e | 1606 | case 0: |
14dd3ad8 | 1607 | parse_body(env,xsinit); |
3c10abe3 AG |
1608 | if (PL_unitcheckav) |
1609 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1610 | if (PL_checkav) |
1611 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1612 | ret = 0; |
1613 | break; | |
6224f72b GS |
1614 | case 1: |
1615 | STATUS_ALL_FAILURE; | |
1616 | /* FALL THROUGH */ | |
1617 | case 2: | |
1618 | /* my_exit() was called */ | |
3280af22 | 1619 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1620 | LEAVE; |
1621 | FREETMPS; | |
3280af22 | 1622 | PL_curstash = PL_defstash; |
3c10abe3 AG |
1623 | if (PL_unitcheckav) |
1624 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1625 | if (PL_checkav) |
1626 | call_list(oldscope, PL_checkav); | |
37038d91 | 1627 | ret = STATUS_EXIT; |
14dd3ad8 | 1628 | break; |
6224f72b | 1629 | case 3: |
bf49b057 | 1630 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1631 | ret = 1; |
1632 | break; | |
6224f72b | 1633 | } |
14dd3ad8 GS |
1634 | JMPENV_POP; |
1635 | return ret; | |
1636 | } | |
1637 | ||
4a5df386 NC |
1638 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1639 | miniperl, and we need to see those flags reflected in the values here. */ | |
1640 | ||
1641 | /* What this returns is subject to change. Use the public interface in Config. | |
1642 | */ | |
1643 | static void | |
1644 | S_Internals_V(pTHX_ CV *cv) | |
1645 | { | |
1646 | dXSARGS; | |
1647 | #ifdef LOCAL_PATCH_COUNT | |
1648 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1649 | #else | |
1650 | const int local_patch_count = 0; | |
1651 | #endif | |
2dc296d2 | 1652 | const int entries = 3 + local_patch_count; |
4a5df386 NC |
1653 | int i; |
1654 | static char non_bincompat_options[] = | |
1655 | # ifdef DEBUGGING | |
1656 | " DEBUGGING" | |
1657 | # endif | |
1658 | # ifdef NO_MATHOMS | |
0d311fbe | 1659 | " NO_MATHOMS" |
4a5df386 NC |
1660 | # endif |
1661 | # ifdef PERL_DISABLE_PMC | |
1662 | " PERL_DISABLE_PMC" | |
1663 | # endif | |
1664 | # ifdef PERL_DONT_CREATE_GVSV | |
1665 | " PERL_DONT_CREATE_GVSV" | |
1666 | # endif | |
9a044a43 NC |
1667 | # ifdef PERL_EXTERNAL_GLOB |
1668 | " PERL_EXTERNAL_GLOB" | |
1669 | # endif | |
4a5df386 NC |
1670 | # ifdef PERL_IS_MINIPERL |
1671 | " PERL_IS_MINIPERL" | |
1672 | # endif | |
1673 | # ifdef PERL_MALLOC_WRAP | |
1674 | " PERL_MALLOC_WRAP" | |
1675 | # endif | |
1676 | # ifdef PERL_MEM_LOG | |
1677 | " PERL_MEM_LOG" | |
1678 | # endif | |
1679 | # ifdef PERL_MEM_LOG_NOIMPL | |
1680 | " PERL_MEM_LOG_NOIMPL" | |
1681 | # endif | |
1682 | # ifdef PERL_USE_DEVEL | |
1683 | " PERL_USE_DEVEL" | |
1684 | # endif | |
1685 | # ifdef PERL_USE_SAFE_PUTENV | |
1686 | " PERL_USE_SAFE_PUTENV" | |
1687 | # endif | |
de618ee4 NC |
1688 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1689 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1690 | # endif | |
4a5df386 NC |
1691 | # ifdef USE_FAST_STDIO |
1692 | " USE_FAST_STDIO" | |
1693 | # endif | |
5a8d8935 NC |
1694 | # ifdef USE_PERL_ATOF |
1695 | " USE_PERL_ATOF" | |
1696 | # endif | |
0d311fbe NC |
1697 | # ifdef USE_SITECUSTOMIZE |
1698 | " USE_SITECUSTOMIZE" | |
1699 | # endif | |
4a5df386 NC |
1700 | ; |
1701 | PERL_UNUSED_ARG(cv); | |
1702 | PERL_UNUSED_ARG(items); | |
1703 | ||
1704 | EXTEND(SP, entries); | |
1705 | ||
1706 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1707 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1708 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1709 | ||
1710 | #ifdef __DATE__ | |
1711 | # ifdef __TIME__ | |
1712 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1713 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1714 | SVs_TEMP)); | |
1715 | # else | |
1716 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1717 | SVs_TEMP)); | |
1718 | # endif | |
1719 | #else | |
1720 | PUSHs(&PL_sv_undef); | |
1721 | #endif | |
1722 | ||
4a5df386 NC |
1723 | for (i = 1; i <= local_patch_count; i++) { |
1724 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1725 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1726 | } | |
1727 | ||
1728 | XSRETURN(entries); | |
1729 | } | |
1730 | ||
be71fc8f NC |
1731 | #define INCPUSH_UNSHIFT 0x01 |
1732 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1733 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1734 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1735 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1736 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1737 | #define INCPUSH_ADD_SUB_DIRS \ |
1738 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1739 | |
312caa8e | 1740 | STATIC void * |
14dd3ad8 | 1741 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1742 | { |
27da23d5 | 1743 | dVAR; |
2f9285f8 | 1744 | PerlIO *rsfp; |
312caa8e | 1745 | int argc = PL_origargc; |
8f42b153 | 1746 | char **argv = PL_origargv; |
e1ec3a88 | 1747 | const char *scriptname = NULL; |
312caa8e | 1748 | VOL bool dosearch = FALSE; |
c7030b81 | 1749 | register char c; |
bd61b366 | 1750 | const char *cddir = NULL; |
ab019eaa | 1751 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1752 | bool minus_f = FALSE; |
ab019eaa | 1753 | #endif |
009d90df | 1754 | SV *linestr_sv = newSV_type(SVt_PVIV); |
5486870f | 1755 | bool add_read_e_script = FALSE; |
009d90df DM |
1756 | |
1757 | SvGROW(linestr_sv, 80); | |
76f68e9b | 1758 | sv_setpvs(linestr_sv,""); |
312caa8e | 1759 | |
6224f72b | 1760 | init_main_stash(); |
54310121 | 1761 | |
c7030b81 NC |
1762 | { |
1763 | const char *s; | |
6224f72b GS |
1764 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1765 | if (argv[0][0] != '-' || !argv[0][1]) | |
1766 | break; | |
6224f72b GS |
1767 | s = argv[0]+1; |
1768 | reswitch: | |
47f56822 | 1769 | switch ((c = *s)) { |
729a02f2 | 1770 | case 'C': |
1d5472a9 GS |
1771 | #ifndef PERL_STRICT_CR |
1772 | case '\r': | |
1773 | #endif | |
6224f72b GS |
1774 | case ' ': |
1775 | case '0': | |
1776 | case 'F': | |
1777 | case 'a': | |
1778 | case 'c': | |
1779 | case 'd': | |
1780 | case 'D': | |
1781 | case 'h': | |
1782 | case 'i': | |
1783 | case 'l': | |
1784 | case 'M': | |
1785 | case 'm': | |
1786 | case 'n': | |
1787 | case 'p': | |
1788 | case 's': | |
1789 | case 'u': | |
1790 | case 'U': | |
1791 | case 'v': | |
599cee73 PM |
1792 | case 'W': |
1793 | case 'X': | |
6224f72b | 1794 | case 'w': |
97bd5664 | 1795 | if ((s = moreswitches(s))) |
6224f72b GS |
1796 | goto reswitch; |
1797 | break; | |
33b78306 | 1798 | |
1dbad523 | 1799 | case 't': |
22f7c9c9 | 1800 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1801 | if( !PL_tainting ) { |
1802 | PL_taint_warn = TRUE; | |
1803 | PL_tainting = TRUE; | |
1804 | } | |
1805 | s++; | |
1806 | goto reswitch; | |
6224f72b | 1807 | case 'T': |
22f7c9c9 | 1808 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1809 | PL_tainting = TRUE; |
317ea90d | 1810 | PL_taint_warn = FALSE; |
6224f72b GS |
1811 | s++; |
1812 | goto reswitch; | |
f86702cc | 1813 | |
bc9b29db RH |
1814 | case 'E': |
1815 | PL_minus_E = TRUE; | |
1816 | /* FALL THROUGH */ | |
6224f72b | 1817 | case 'e': |
f20b2998 | 1818 | forbid_setid('e', FALSE); |
3280af22 | 1819 | if (!PL_e_script) { |
396482e1 | 1820 | PL_e_script = newSVpvs(""); |
5486870f | 1821 | add_read_e_script = TRUE; |
6224f72b GS |
1822 | } |
1823 | if (*++s) | |
3280af22 | 1824 | sv_catpv(PL_e_script, s); |
6224f72b | 1825 | else if (argv[1]) { |
3280af22 | 1826 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1827 | argc--,argv++; |
1828 | } | |
1829 | else | |
47f56822 | 1830 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1831 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1832 | break; |
afe37c7d | 1833 | |
20ef40cf | 1834 | case 'f': |
f5542d3a | 1835 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1836 | minus_f = TRUE; |
f5542d3a | 1837 | #endif |
20ef40cf GA |
1838 | s++; |
1839 | goto reswitch; | |
1840 | ||
6224f72b | 1841 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1842 | forbid_setid('I', FALSE); |
bd61b366 | 1843 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1844 | argc--,argv++; |
1845 | } | |
6224f72b | 1846 | if (s && *s) { |
0df16ed7 | 1847 | STRLEN len = strlen(s); |
55b4bc1c | 1848 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1849 | } |
1850 | else | |
a67e862a | 1851 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1852 | break; |
6224f72b | 1853 | case 'S': |
f20b2998 | 1854 | forbid_setid('S', FALSE); |
6224f72b GS |
1855 | dosearch = TRUE; |
1856 | s++; | |
1857 | goto reswitch; | |
1858 | case 'V': | |
7edfd0ef NC |
1859 | { |
1860 | SV *opts_prog; | |
1861 | ||
7edfd0ef | 1862 | if (*++s != ':') { |
37ca4a5b | 1863 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1864 | } |
1865 | else { | |
1866 | ++s; | |
1867 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1868 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1869 | 0, s, 0); |
1870 | s += strlen(s); | |
1871 | } | |
37ca4a5b | 1872 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1873 | /* don't look for script or read stdin */ |
1874 | scriptname = BIT_BUCKET; | |
1875 | goto reswitch; | |
6224f72b | 1876 | } |
6224f72b | 1877 | case 'x': |
3280af22 | 1878 | PL_doextract = TRUE; |
6224f72b | 1879 | s++; |
304334da | 1880 | if (*s) |
f4c556ac | 1881 | cddir = s; |
6224f72b GS |
1882 | break; |
1883 | case 0: | |
1884 | break; | |
1885 | case '-': | |
1886 | if (!*++s || isSPACE(*s)) { | |
1887 | argc--,argv++; | |
1888 | goto switch_end; | |
1889 | } | |
1890 | /* catch use of gnu style long options */ | |
1891 | if (strEQ(s, "version")) { | |
dd374669 | 1892 | s = (char *)"v"; |
6224f72b GS |
1893 | goto reswitch; |
1894 | } | |
1895 | if (strEQ(s, "help")) { | |
dd374669 | 1896 | s = (char *)"h"; |
6224f72b GS |
1897 | goto reswitch; |
1898 | } | |
1899 | s--; | |
1900 | /* FALL THROUGH */ | |
1901 | default: | |
cea2e8a9 | 1902 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1903 | } |
1904 | } | |
c7030b81 NC |
1905 | } |
1906 | ||
6224f72b | 1907 | switch_end: |
54310121 | 1908 | |
c7030b81 NC |
1909 | { |
1910 | char *s; | |
1911 | ||
f675dbe5 CB |
1912 | if ( |
1913 | #ifndef SECURE_INTERNAL_GETENV | |
1914 | !PL_tainting && | |
1915 | #endif | |
cf756827 | 1916 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1917 | { |
74288ac8 GS |
1918 | while (isSPACE(*s)) |
1919 | s++; | |
317ea90d | 1920 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1921 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1922 | PL_tainting = TRUE; |
317ea90d MS |
1923 | PL_taint_warn = FALSE; |
1924 | } | |
74288ac8 | 1925 | else { |
bd61b366 | 1926 | char *popt_copy = NULL; |
74288ac8 | 1927 | while (s && *s) { |
54913509 | 1928 | const char *d; |
74288ac8 GS |
1929 | while (isSPACE(*s)) |
1930 | s++; | |
1931 | if (*s == '-') { | |
1932 | s++; | |
1933 | if (isSPACE(*s)) | |
1934 | continue; | |
1935 | } | |
4ea8f8fb | 1936 | d = s; |
74288ac8 GS |
1937 | if (!*s) |
1938 | break; | |
2b622f1a | 1939 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 1940 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1941 | while (++s && *s) { |
1942 | if (isSPACE(*s)) { | |
cf756827 | 1943 | if (!popt_copy) { |
bfa6c418 NC |
1944 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
1945 | s = popt_copy + (s - d); | |
1946 | d = popt_copy; | |
cf756827 | 1947 | } |
4ea8f8fb MS |
1948 | *s++ = '\0'; |
1949 | break; | |
1950 | } | |
1951 | } | |
1c4db469 | 1952 | if (*d == 't') { |
317ea90d MS |
1953 | if( !PL_tainting ) { |
1954 | PL_taint_warn = TRUE; | |
1955 | PL_tainting = TRUE; | |
1956 | } | |
1c4db469 | 1957 | } else { |
97bd5664 | 1958 | moreswitches(d); |
1c4db469 | 1959 | } |
6224f72b | 1960 | } |
6224f72b GS |
1961 | } |
1962 | } | |
c7030b81 | 1963 | } |
a0d0e21e | 1964 | |
87e06404 | 1965 | #if defined(USE_SITECUSTOMIZE) && !defined(PERL_IS_MINIPERL) |
20ef40cf | 1966 | if (!minus_f) { |
404ad9dc NC |
1967 | /* SITELIB_EXP is a function call on Win32. |
1968 | The games with local $! are to avoid setting errno if there is no | |
1969 | sitecustomize script. */ | |
1970 | const char *const sitelib = SITELIB_EXP; | |
29a861e7 | 1971 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
404ad9dc NC |
1972 | Perl_newSVpvf(aTHX_ |
1973 | "BEGIN { do {local $!; -f '%s/sitecustomize.pl'} && do '%s/sitecustomize.pl' }", sitelib, sitelib)); | |
20ef40cf GA |
1974 | } |
1975 | #endif | |
1976 | ||
6224f72b GS |
1977 | if (!scriptname) |
1978 | scriptname = argv[0]; | |
3280af22 | 1979 | if (PL_e_script) { |
6224f72b GS |
1980 | argc++,argv--; |
1981 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1982 | } | |
bd61b366 | 1983 | else if (scriptname == NULL) { |
6224f72b GS |
1984 | #ifdef MSDOS |
1985 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 1986 | moreswitches("h"); |
6224f72b GS |
1987 | #endif |
1988 | scriptname = "-"; | |
1989 | } | |
1990 | ||
b7975bdd NC |
1991 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
1992 | assert (!PL_tainted); | |
1993 | TAINT; | |
1994 | S_set_caret_X(aTHX); | |
1995 | TAINT_NOT; | |
2cace6ac | 1996 | init_perllib(); |
6224f72b | 1997 | |
a52eba0e | 1998 | { |
f20b2998 | 1999 | bool suidscript = FALSE; |
829372d3 | 2000 | |
cc69b689 | 2001 | open_script(scriptname, dosearch, &suidscript, &rsfp); |
6224f72b | 2002 | |
2f9285f8 | 2003 | validate_suid(validarg, scriptname, fdscript, suidscript, |
cc69b689 | 2004 | linestr_sv, rsfp); |
6224f72b | 2005 | |
64ca3a65 | 2006 | #ifndef PERL_MICRO |
a52eba0e NC |
2007 | # if defined(SIGCHLD) || defined(SIGCLD) |
2008 | { | |
2009 | # ifndef SIGCHLD | |
2010 | # define SIGCHLD SIGCLD | |
2011 | # endif | |
2012 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2013 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2014 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2015 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2016 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2017 | } | |
0b5b802d | 2018 | } |
a52eba0e | 2019 | # endif |
64ca3a65 | 2020 | #endif |
0b5b802d | 2021 | |
e37778c2 | 2022 | if (PL_doextract) { |
faef540c | 2023 | |
f20b2998 | 2024 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2025 | setuid scripts. */ |
2026 | forbid_setid('x', suidscript); | |
f20b2998 | 2027 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2028 | |
2f9285f8 | 2029 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2030 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2031 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2032 | } | |
f4c556ac | 2033 | } |
6224f72b | 2034 | |
ea726b52 | 2035 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2036 | CvUNIQUE_on(PL_compcv); |
2037 | ||
dd2155a4 | 2038 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2039 | |
dd69841b BB |
2040 | PL_isarev = newHV(); |
2041 | ||
0c4f7ff0 | 2042 | boot_core_PerlIO(); |
6224f72b | 2043 | boot_core_UNIVERSAL(); |
e1a479c5 | 2044 | boot_core_mro(); |
4a5df386 | 2045 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2046 | |
2047 | if (xsinit) | |
acfe0abc | 2048 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2049 | #ifndef PERL_MICRO |
d0d72822 | 2050 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) || defined(SYMBIAN) |
c5be433b | 2051 | init_os_extras(); |
6224f72b | 2052 | #endif |
64ca3a65 | 2053 | #endif |
6224f72b | 2054 | |
29209bc5 | 2055 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2056 | # ifdef HAS_SOCKS5_INIT |
2057 | socks5_init(argv[0]); | |
2058 | # else | |
29209bc5 | 2059 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2060 | # endif |
ac27b0f5 | 2061 | #endif |
29209bc5 | 2062 | |
6224f72b GS |
2063 | init_predump_symbols(); |
2064 | /* init_postdump_symbols not currently designed to be called */ | |
2065 | /* more than once (ENV isn't cleared first, for example) */ | |
2066 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2067 | if (!PL_do_undump) |
6224f72b GS |
2068 | init_postdump_symbols(argc,argv,env); |
2069 | ||
27da23d5 JH |
2070 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2071 | * or explicitly in some platforms. | |
085a54d9 | 2072 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2073 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2074 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2075 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2076 | #endif | |
e27b5b51 | 2077 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2078 | if (PL_unicode) { |
2079 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2080 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2081 | IO* io; |
2082 | PerlIO* fp; | |
2083 | SV* sv; | |
2084 | ||
a05d7ebb | 2085 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2086 | * and the default open disciplines. */ |
a05d7ebb JH |
2087 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2088 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2089 | (fp = IoIFP(io))) | |
2090 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2091 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2092 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2093 | (fp = IoOFP(io))) | |
2094 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2095 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2096 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2097 | (fp = IoOFP(io))) | |
2098 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2099 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2100 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2101 | SVt_PV)))) { | |
a05d7ebb JH |
2102 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2103 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2104 | if (in) { | |
2105 | if (out) | |
76f68e9b | 2106 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2107 | else |
76f68e9b | 2108 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2109 | } |
2110 | else if (out) | |
76f68e9b | 2111 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2112 | SvSETMAGIC(sv); |
2113 | } | |
b310b053 JH |
2114 | } |
2115 | } | |
e27b5b51 | 2116 | #endif |
b310b053 | 2117 | |
c7030b81 NC |
2118 | { |
2119 | const char *s; | |
4ffa73a3 JH |
2120 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2121 | if (strEQ(s, "unsafe")) | |
2122 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2123 | else if (strEQ(s, "safe")) | |
2124 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2125 | else | |
2126 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2127 | } | |
c7030b81 | 2128 | } |
4ffa73a3 | 2129 | |
81d86705 | 2130 | #ifdef PERL_MAD |
c7030b81 NC |
2131 | { |
2132 | const char *s; | |
81d86705 NC |
2133 | if ((s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
2134 | PL_madskills = 1; | |
2135 | PL_minus_c = 1; | |
2136 | if (!s || !s[0]) | |
2137 | PL_xmlfp = PerlIO_stdout(); | |
2138 | else { | |
2139 | PL_xmlfp = PerlIO_open(s, "w"); | |
2140 | if (!PL_xmlfp) | |
2141 | Perl_croak(aTHX_ "Can't open %s", s); | |
2142 | } | |
1a9a51d4 | 2143 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2144 | } |
c7030b81 NC |
2145 | } |
2146 | ||
2147 | { | |
2148 | const char *s; | |
81d86705 NC |
2149 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2150 | PL_madskills = atoi(s); | |
1a9a51d4 | 2151 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2152 | } |
c7030b81 | 2153 | } |
81d86705 NC |
2154 | #endif |
2155 | ||
5486870f | 2156 | lex_start(linestr_sv, rsfp, TRUE); |
219f7226 | 2157 | PL_subname = newSVpvs("main"); |
6224f72b | 2158 | |
5486870f DM |
2159 | if (add_read_e_script) |
2160 | filter_add(read_e_script, NULL); | |
2161 | ||
6224f72b GS |
2162 | /* now parse the script */ |
2163 | ||
93189314 | 2164 | SETERRNO(0,SS_NORMAL); |
13765c85 | 2165 | if (yyparse() || PL_parser->error_count) { |
3280af22 | 2166 | if (PL_minus_c) |
cea2e8a9 | 2167 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2168 | else { |
cea2e8a9 | 2169 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2170 | PL_origfilename); |
6224f72b GS |
2171 | } |
2172 | } | |
57843af0 | 2173 | CopLINE_set(PL_curcop, 0); |
3280af22 | 2174 | PL_curstash = PL_defstash; |
3280af22 NIS |
2175 | if (PL_e_script) { |
2176 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2177 | PL_e_script = NULL; |
6224f72b GS |
2178 | } |
2179 | ||
3280af22 | 2180 | if (PL_do_undump) |
6224f72b GS |
2181 | my_unexec(); |
2182 | ||
57843af0 GS |
2183 | if (isWARN_ONCE) { |
2184 | SAVECOPFILE(PL_curcop); | |
2185 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2186 | gv_check(PL_defstash); |
57843af0 | 2187 | } |
6224f72b GS |
2188 | |
2189 | LEAVE; | |
2190 | FREETMPS; | |
2191 | ||
2192 | #ifdef MYMALLOC | |
f6a607bc RGS |
2193 | { |
2194 | const char *s; | |
6224f72b GS |
2195 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2196 | dump_mstats("after compilation:"); | |
f6a607bc | 2197 | } |
6224f72b GS |
2198 | #endif |
2199 | ||
2200 | ENTER; | |
febb3a6d | 2201 | PL_restartjmpenv = NULL; |
3280af22 | 2202 | PL_restartop = 0; |
312caa8e | 2203 | return NULL; |
6224f72b GS |
2204 | } |
2205 | ||
954c1994 GS |
2206 | /* |
2207 | =for apidoc perl_run | |
2208 | ||
2209 | Tells a Perl interpreter to run. See L<perlembed>. | |
2210 | ||
2211 | =cut | |
2212 | */ | |
2213 | ||
6224f72b | 2214 | int |
0cb96387 | 2215 | perl_run(pTHXx) |
6224f72b | 2216 | { |
97aff369 | 2217 | dVAR; |
6224f72b | 2218 | I32 oldscope; |
14dd3ad8 | 2219 | int ret = 0; |
db36c5a1 | 2220 | dJMPENV; |
6224f72b | 2221 | |
7918f24d NC |
2222 | PERL_ARGS_ASSERT_PERL_RUN; |
2223 | #ifndef MULTIPLICITY | |
ed6c66dd | 2224 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2225 | #endif |
9d4ba2ae | 2226 | |
3280af22 | 2227 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2228 | #ifdef VMS |
2229 | VMSISH_HUSHED = 0; | |
2230 | #endif | |
6224f72b | 2231 | |
14dd3ad8 | 2232 | JMPENV_PUSH(ret); |
6224f72b GS |
2233 | switch (ret) { |
2234 | case 1: | |
2235 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2236 | goto redo_body; |
14dd3ad8 | 2237 | case 0: /* normal completion */ |
14dd3ad8 GS |
2238 | redo_body: |
2239 | run_body(oldscope); | |
14dd3ad8 GS |
2240 | /* FALL THROUGH */ |
2241 | case 2: /* my_exit() */ | |
3280af22 | 2242 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2243 | LEAVE; |
2244 | FREETMPS; | |
3280af22 | 2245 | PL_curstash = PL_defstash; |
3a1ee7e8 | 2246 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
2247 | PL_endav && !PL_minus_c) |
2248 | call_list(oldscope, PL_endav); | |
6224f72b GS |
2249 | #ifdef MYMALLOC |
2250 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2251 | dump_mstats("after execution: "); | |
2252 | #endif | |
37038d91 | 2253 | ret = STATUS_EXIT; |
14dd3ad8 | 2254 | break; |
6224f72b | 2255 | case 3: |
312caa8e CS |
2256 | if (PL_restartop) { |
2257 | POPSTACK_TO(PL_mainstack); | |
2258 | goto redo_body; | |
6224f72b | 2259 | } |
bf49b057 | 2260 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 2261 | FREETMPS; |
14dd3ad8 GS |
2262 | ret = 1; |
2263 | break; | |
6224f72b GS |
2264 | } |
2265 | ||
14dd3ad8 GS |
2266 | JMPENV_POP; |
2267 | return ret; | |
312caa8e CS |
2268 | } |
2269 | ||
dd374669 | 2270 | STATIC void |
14dd3ad8 GS |
2271 | S_run_body(pTHX_ I32 oldscope) |
2272 | { | |
97aff369 | 2273 | dVAR; |
6224f72b | 2274 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2275 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2276 | |
3280af22 | 2277 | if (!PL_restartop) { |
81d86705 NC |
2278 | #ifdef PERL_MAD |
2279 | if (PL_xmlfp) { | |
2280 | xmldump_all(); | |
2281 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2282 | } | |
2283 | #endif | |
cf2782cd | 2284 | #ifdef DEBUGGING |
f0e3f042 CS |
2285 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2286 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2287 | if (!DEBUG_q_TEST) |
2288 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2289 | #endif |
6224f72b | 2290 | |
3280af22 | 2291 | if (PL_minus_c) { |
bf49b057 | 2292 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2293 | my_exit(0); |
2294 | } | |
3280af22 | 2295 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2296 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
2297 | if (PL_initav) |
2298 | call_list(oldscope, PL_initav); | |
f1fac472 NC |
2299 | #ifdef PERL_DEBUG_READONLY_OPS |
2300 | Perl_pending_Slabs_to_ro(aTHX); | |
2301 | #endif | |
6224f72b GS |
2302 | } |
2303 | ||
2304 | /* do it */ | |
2305 | ||
3280af22 | 2306 | if (PL_restartop) { |
febb3a6d | 2307 | PL_restartjmpenv = NULL; |
533c011a | 2308 | PL_op = PL_restartop; |
3280af22 | 2309 | PL_restartop = 0; |
cea2e8a9 | 2310 | CALLRUNOPS(aTHX); |
6224f72b | 2311 | } |
3280af22 NIS |
2312 | else if (PL_main_start) { |
2313 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2314 | PL_op = PL_main_start; |
cea2e8a9 | 2315 | CALLRUNOPS(aTHX); |
6224f72b | 2316 | } |
f6b3007c JH |
2317 | my_exit(0); |
2318 | /* NOTREACHED */ | |
6224f72b GS |
2319 | } |
2320 | ||
954c1994 | 2321 | /* |
ccfc67b7 JH |
2322 | =head1 SV Manipulation Functions |
2323 | ||
954c1994 GS |
2324 | =for apidoc p||get_sv |
2325 | ||
64ace3f8 NC |
2326 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2327 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2328 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2329 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2330 | |
2331 | =cut | |
2332 | */ | |
2333 | ||
6224f72b | 2334 | SV* |
64ace3f8 | 2335 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2336 | { |
2337 | GV *gv; | |
7918f24d NC |
2338 | |
2339 | PERL_ARGS_ASSERT_GET_SV; | |
2340 | ||
64ace3f8 | 2341 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2342 | if (gv) |
2343 | return GvSV(gv); | |
a0714e2c | 2344 | return NULL; |
6224f72b GS |
2345 | } |
2346 | ||
954c1994 | 2347 | /* |
ccfc67b7 JH |
2348 | =head1 Array Manipulation Functions |
2349 | ||
954c1994 GS |
2350 | =for apidoc p||get_av |
2351 | ||
cbfd0a87 NC |
2352 | Returns the AV of the specified Perl array. C<flags> are passed to |
2353 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2354 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2355 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2356 | |
2357 | =cut | |
2358 | */ | |
2359 | ||
6224f72b | 2360 | AV* |
cbfd0a87 | 2361 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2362 | { |
cbfd0a87 | 2363 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2364 | |
2365 | PERL_ARGS_ASSERT_GET_AV; | |
2366 | ||
cbfd0a87 | 2367 | if (flags) |
6224f72b GS |
2368 | return GvAVn(gv); |
2369 | if (gv) | |
2370 | return GvAV(gv); | |
7d49f689 | 2371 | return NULL; |
6224f72b GS |
2372 | } |
2373 | ||
954c1994 | 2374 | /* |
ccfc67b7 JH |
2375 | =head1 Hash Manipulation Functions |
2376 | ||
954c1994 GS |
2377 | =for apidoc p||get_hv |
2378 | ||
6673a63c NC |
2379 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2380 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2381 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2382 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2383 | |
2384 | =cut | |
2385 | */ | |
2386 | ||
6224f72b | 2387 | HV* |
6673a63c | 2388 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2389 | { |
6673a63c | 2390 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2391 | |
2392 | PERL_ARGS_ASSERT_GET_HV; | |
2393 | ||
6673a63c | 2394 | if (flags) |
a0d0e21e LW |
2395 | return GvHVn(gv); |
2396 | if (gv) | |
2397 | return GvHV(gv); | |
5c284bb0 | 2398 | return NULL; |
a0d0e21e LW |
2399 | } |
2400 | ||
954c1994 | 2401 | /* |
ccfc67b7 JH |
2402 | =head1 CV Manipulation Functions |
2403 | ||
780a5241 NC |
2404 | =for apidoc p||get_cvn_flags |
2405 | ||
2406 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2407 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2408 | exist then it will be declared (which has the same effect as saying | |
2409 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2410 | then NULL is returned. | |
2411 | ||
954c1994 GS |
2412 | =for apidoc p||get_cv |
2413 | ||
780a5241 | 2414 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2415 | |
2416 | =cut | |
2417 | */ | |
2418 | ||
a0d0e21e | 2419 | CV* |
780a5241 | 2420 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2421 | { |
780a5241 | 2422 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
f6ec51f7 GS |
2423 | /* XXX this is probably not what they think they're getting. |
2424 | * It has the same effect as "sub name;", i.e. just a forward | |
2425 | * declaration! */ | |
7918f24d NC |
2426 | |
2427 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2428 | ||
780a5241 | 2429 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
740cce10 | 2430 | SV *const sv = newSVpvn_flags(name, len, flags & SVf_UTF8); |
774d564b | 2431 | return newSUB(start_subparse(FALSE, 0), |
780a5241 | 2432 | newSVOP(OP_CONST, 0, sv), |
5f66b61c | 2433 | NULL, NULL); |
780a5241 | 2434 | } |
a0d0e21e | 2435 | if (gv) |
8ebc5c01 | 2436 | return GvCVu(gv); |
601f1833 | 2437 | return NULL; |
a0d0e21e LW |
2438 | } |
2439 | ||
2c67934f NC |
2440 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2441 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2442 | CV* |
2443 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2444 | { | |
7918f24d NC |
2445 | PERL_ARGS_ASSERT_GET_CV; |
2446 | ||
780a5241 NC |
2447 | return get_cvn_flags(name, strlen(name), flags); |
2448 | } | |
2449 | ||
79072805 LW |
2450 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2451 | ||
954c1994 | 2452 | /* |
ccfc67b7 JH |
2453 | |
2454 | =head1 Callback Functions | |
2455 | ||
954c1994 GS |
2456 | =for apidoc p||call_argv |
2457 | ||
2458 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2459 | ||
2460 | =cut | |
2461 | */ | |
2462 | ||
a0d0e21e | 2463 | I32 |
8f42b153 | 2464 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2465 | |
8ac85365 NIS |
2466 | /* See G_* flags in cop.h */ |
2467 | /* null terminated arg list */ | |
8990e307 | 2468 | { |
97aff369 | 2469 | dVAR; |
a0d0e21e | 2470 | dSP; |
8990e307 | 2471 | |
7918f24d NC |
2472 | PERL_ARGS_ASSERT_CALL_ARGV; |
2473 | ||
924508f0 | 2474 | PUSHMARK(SP); |
a0d0e21e | 2475 | if (argv) { |
8990e307 | 2476 | while (*argv) { |
6e449a3a | 2477 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2478 | argv++; |
2479 | } | |
a0d0e21e | 2480 | PUTBACK; |
8990e307 | 2481 | } |
864dbfa3 | 2482 | return call_pv(sub_name, flags); |
8990e307 LW |
2483 | } |
2484 | ||
954c1994 GS |
2485 | /* |
2486 | =for apidoc p||call_pv | |
2487 | ||
2488 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2489 | ||
2490 | =cut | |
2491 | */ | |
2492 | ||
a0d0e21e | 2493 | I32 |
864dbfa3 | 2494 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2495 | /* name of the subroutine */ |
2496 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2497 | { |
7918f24d NC |
2498 | PERL_ARGS_ASSERT_CALL_PV; |
2499 | ||
0da0e728 | 2500 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2501 | } |
2502 | ||
954c1994 GS |
2503 | /* |
2504 | =for apidoc p||call_method | |
2505 | ||
2506 | Performs a callback to the specified Perl method. The blessed object must | |
2507 | be on the stack. See L<perlcall>. | |
2508 | ||
2509 | =cut | |
2510 | */ | |
2511 | ||
a0d0e21e | 2512 | I32 |
864dbfa3 | 2513 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2514 | /* name of the subroutine */ |
2515 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2516 | { |
46ca9bac | 2517 | STRLEN len; |
7918f24d NC |
2518 | PERL_ARGS_ASSERT_CALL_METHOD; |
2519 | ||
46ca9bac GF |
2520 | len = strlen(methname); |
2521 | ||
2522 | /* XXX: sv_2mortal(newSVpvn_share(methname, len)) can be faster */ | |
2523 | return call_sv(newSVpvn_flags(methname, len, SVs_TEMP), flags | G_METHOD); | |
a0d0e21e LW |
2524 | } |
2525 | ||
2526 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2527 | /* |
2528 | =for apidoc p||call_sv | |
2529 | ||
2530 | Performs a callback to the Perl sub whose name is in the SV. See | |
2531 | L<perlcall>. | |
2532 | ||
2533 | =cut | |
2534 | */ | |
2535 | ||
a0d0e21e | 2536 | I32 |
001d637e | 2537 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2538 | /* See G_* flags in cop.h */ |
a0d0e21e | 2539 | { |
27da23d5 | 2540 | dVAR; dSP; |
a0d0e21e | 2541 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2542 | UNOP method_op; |
aa689395 | 2543 | I32 oldmark; |
8ea43dc8 | 2544 | VOL I32 retval = 0; |
a0d0e21e | 2545 | I32 oldscope; |
54310121 | 2546 | bool oldcatch = CATCH_GET; |
6224f72b | 2547 | int ret; |
c4420975 | 2548 | OP* const oldop = PL_op; |
db36c5a1 | 2549 | dJMPENV; |
1e422769 | 2550 | |
7918f24d NC |
2551 | PERL_ARGS_ASSERT_CALL_SV; |
2552 | ||
a0d0e21e LW |
2553 | if (flags & G_DISCARD) { |
2554 | ENTER; | |
2555 | SAVETMPS; | |
2556 | } | |
2f8edad0 NC |
2557 | if (!(flags & G_WANT)) { |
2558 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2559 | */ | |
2560 | flags |= G_SCALAR; | |
2561 | } | |
a0d0e21e | 2562 | |
aa689395 | 2563 | Zero(&myop, 1, LOGOP); |
5f66b61c | 2564 | myop.op_next = NULL; |
f51d4af5 | 2565 | if (!(flags & G_NOARGS)) |
aa689395 | 2566 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2567 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2568 | SAVEOP(); |
533c011a | 2569 | PL_op = (OP*)&myop; |
aa689395 | 2570 | |
3280af22 NIS |
2571 | EXTEND(PL_stack_sp, 1); |
2572 | *++PL_stack_sp = sv; | |
aa689395 | 2573 | oldmark = TOPMARK; |
3280af22 | 2574 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2575 | |
3280af22 | 2576 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2577 | /* Handle first BEGIN of -d. */ |
3280af22 | 2578 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2579 | /* Try harder, since this may have been a sighandler, thus |
2580 | * curstash may be meaningless. */ | |
ea726b52 | 2581 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2582 | && !(flags & G_NODEBUG)) |
533c011a | 2583 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2584 | |
968b3946 GS |
2585 | if (flags & G_METHOD) { |
2586 | Zero(&method_op, 1, UNOP); | |
2587 | method_op.op_next = PL_op; | |
2588 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
377b1098 | 2589 | method_op.op_type = OP_METHOD; |
968b3946 | 2590 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
377b1098 | 2591 | myop.op_type = OP_ENTERSUB; |
f39d0b86 | 2592 | PL_op = (OP*)&method_op; |
968b3946 GS |
2593 | } |
2594 | ||
312caa8e | 2595 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2596 | CATCH_SET(TRUE); |
d6f07c05 | 2597 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2598 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2599 | CATCH_SET(oldcatch); |
312caa8e CS |
2600 | } |
2601 | else { | |
d78bda3d | 2602 | myop.op_other = (OP*)&myop; |
3280af22 | 2603 | PL_markstack_ptr--; |
edb2152a | 2604 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2605 | PL_markstack_ptr++; |
a0d0e21e | 2606 | |
14dd3ad8 | 2607 | JMPENV_PUSH(ret); |
edb2152a | 2608 | |
6224f72b GS |
2609 | switch (ret) { |
2610 | case 0: | |
14dd3ad8 | 2611 | redo_body: |
d6f07c05 | 2612 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2613 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2614 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2615 | CLEAR_ERRSV(); |
8433848b | 2616 | } |
a0d0e21e | 2617 | break; |
6224f72b | 2618 | case 1: |
f86702cc | 2619 | STATUS_ALL_FAILURE; |
a0d0e21e | 2620 | /* FALL THROUGH */ |
6224f72b | 2621 | case 2: |
a0d0e21e | 2622 | /* my_exit() was called */ |
3280af22 | 2623 | PL_curstash = PL_defstash; |
a0d0e21e | 2624 | FREETMPS; |
14dd3ad8 | 2625 | JMPENV_POP; |
f86702cc | 2626 | my_exit_jump(); |
a0d0e21e | 2627 | /* NOTREACHED */ |
6224f72b | 2628 | case 3: |
3280af22 | 2629 | if (PL_restartop) { |
febb3a6d | 2630 | PL_restartjmpenv = NULL; |
533c011a | 2631 | PL_op = PL_restartop; |
3280af22 | 2632 | PL_restartop = 0; |
312caa8e | 2633 | goto redo_body; |
a0d0e21e | 2634 | } |
3280af22 | 2635 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2636 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2637 | retval = 0; |
2638 | else { | |
2639 | retval = 1; | |
3280af22 | 2640 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2641 | } |
312caa8e | 2642 | break; |
a0d0e21e | 2643 | } |
a0d0e21e | 2644 | |
edb2152a NC |
2645 | if (PL_scopestack_ix > oldscope) |
2646 | delete_eval_scope(); | |
14dd3ad8 | 2647 | JMPENV_POP; |
a0d0e21e | 2648 | } |
1e422769 | 2649 | |
a0d0e21e | 2650 | if (flags & G_DISCARD) { |
3280af22 | 2651 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2652 | retval = 0; |
2653 | FREETMPS; | |
2654 | LEAVE; | |
2655 | } | |
533c011a | 2656 | PL_op = oldop; |
a0d0e21e LW |
2657 | return retval; |
2658 | } | |
2659 | ||
6e72f9df | 2660 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2661 | |
954c1994 GS |
2662 | /* |
2663 | =for apidoc p||eval_sv | |
2664 | ||
2665 | Tells Perl to C<eval> the string in the SV. | |
2666 | ||
2667 | =cut | |
2668 | */ | |
2669 | ||
a0d0e21e | 2670 | I32 |
864dbfa3 | 2671 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2672 | |
8ac85365 | 2673 | /* See G_* flags in cop.h */ |
a0d0e21e | 2674 | { |
97aff369 | 2675 | dVAR; |
924508f0 | 2676 | dSP; |
a0d0e21e | 2677 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2678 | VOL I32 oldmark = SP - PL_stack_base; |
2679 | VOL I32 retval = 0; | |
6224f72b | 2680 | int ret; |
c4420975 | 2681 | OP* const oldop = PL_op; |
db36c5a1 | 2682 | dJMPENV; |
84902520 | 2683 | |
7918f24d NC |
2684 | PERL_ARGS_ASSERT_EVAL_SV; |
2685 | ||
4633a7c4 LW |
2686 | if (flags & G_DISCARD) { |
2687 | ENTER; | |
2688 | SAVETMPS; | |
2689 | } | |
2690 | ||
462e5cf6 | 2691 | SAVEOP(); |
533c011a NIS |
2692 | PL_op = (OP*)&myop; |
2693 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2694 | EXTEND(PL_stack_sp, 1); |
2695 | *++PL_stack_sp = sv; | |
79072805 | 2696 | |
4633a7c4 LW |
2697 | if (!(flags & G_NOARGS)) |
2698 | myop.op_flags = OPf_STACKED; | |
5f66b61c | 2699 | myop.op_next = NULL; |
6e72f9df | 2700 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2701 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2702 | if (flags & G_KEEPERR) |
2703 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2704 | |
dedbcade DM |
2705 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2706 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2707 | TAINT_PROPER("eval_sv()"); | |
2708 | ||
14dd3ad8 | 2709 | JMPENV_PUSH(ret); |
6224f72b GS |
2710 | switch (ret) { |
2711 | case 0: | |
14dd3ad8 | 2712 | redo_body: |
d6f07c05 | 2713 | CALL_BODY_EVAL((OP*)&myop); |
312caa8e | 2714 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2715 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2716 | CLEAR_ERRSV(); |
8433848b | 2717 | } |
4633a7c4 | 2718 | break; |
6224f72b | 2719 | case 1: |
f86702cc | 2720 | STATUS_ALL_FAILURE; |
4633a7c4 | 2721 | /* FALL THROUGH */ |
6224f72b | 2722 | case 2: |
4633a7c4 | 2723 | /* my_exit() was called */ |
3280af22 | 2724 | PL_curstash = PL_defstash; |
4633a7c4 | 2725 | FREETMPS; |
14dd3ad8 | 2726 | JMPENV_POP; |
f86702cc | 2727 | my_exit_jump(); |
4633a7c4 | 2728 | /* NOTREACHED */ |
6224f72b | 2729 | case 3: |
3280af22 | 2730 | if (PL_restartop) { |
febb3a6d | 2731 | PL_restartjmpenv = NULL; |
533c011a | 2732 | PL_op = PL_restartop; |
3280af22 | 2733 | PL_restartop = 0; |
312caa8e | 2734 | goto redo_body; |
4633a7c4 | 2735 | } |
3280af22 | 2736 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2737 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2738 | retval = 0; |
2739 | else { | |
2740 | retval = 1; | |
3280af22 | 2741 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2742 | } |
312caa8e | 2743 | break; |
4633a7c4 LW |
2744 | } |
2745 | ||
14dd3ad8 | 2746 | JMPENV_POP; |
4633a7c4 | 2747 | if (flags & G_DISCARD) { |
3280af22 | 2748 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2749 | retval = 0; |
2750 | FREETMPS; | |
2751 | LEAVE; | |
2752 | } | |
533c011a | 2753 | PL_op = oldop; |
4633a7c4 LW |
2754 | return retval; |
2755 | } | |
2756 | ||
954c1994 GS |
2757 | /* |
2758 | =for apidoc p||eval_pv | |
2759 | ||
2760 | Tells Perl to C<eval> the given string and return an SV* result. | |
2761 | ||
2762 | =cut | |
2763 | */ | |
2764 | ||
137443ea | 2765 | SV* |
864dbfa3 | 2766 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2767 | { |
97aff369 | 2768 | dVAR; |
137443ea | 2769 | dSP; |
2770 | SV* sv = newSVpv(p, 0); | |
2771 | ||
7918f24d NC |
2772 | PERL_ARGS_ASSERT_EVAL_PV; |
2773 | ||
864dbfa3 | 2774 | eval_sv(sv, G_SCALAR); |
137443ea | 2775 | SvREFCNT_dec(sv); |
2776 | ||
2777 | SPAGAIN; | |
2778 | sv = POPs; | |
2779 | PUTBACK; | |
2780 | ||
2d8e6c8d | 2781 | if (croak_on_error && SvTRUE(ERRSV)) { |
f1f66076 | 2782 | Perl_croak(aTHX_ "%s", SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2783 | } |
137443ea | 2784 | |
2785 | return sv; | |
2786 | } | |
2787 | ||
4633a7c4 LW |
2788 | /* Require a module. */ |
2789 | ||
954c1994 | 2790 | /* |
ccfc67b7 JH |
2791 | =head1 Embedding Functions |
2792 | ||
954c1994 GS |
2793 | =for apidoc p||require_pv |
2794 | ||
7d3fb230 BS |
2795 | Tells Perl to C<require> the file named by the string argument. It is |
2796 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2797 | implemented that way; consider using load_module instead. |
954c1994 | 2798 | |
7d3fb230 | 2799 | =cut */ |
954c1994 | 2800 | |
4633a7c4 | 2801 | void |
864dbfa3 | 2802 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2803 | { |
97aff369 | 2804 | dVAR; |
d3acc0f7 | 2805 | dSP; |
97aff369 | 2806 | SV* sv; |
7918f24d NC |
2807 | |
2808 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2809 | ||
e788e7d3 | 2810 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2811 | PUTBACK; |
be41e5d9 NC |
2812 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2813 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2814 | SPAGAIN; |
2815 | POPSTACK; | |
79072805 LW |
2816 | } |
2817 | ||
76e3520e | 2818 | STATIC void |
e1ec3a88 | 2819 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2820 | { |
ab821d7f | 2821 | /* This message really ought to be max 23 lines. |
75c72d73 | 2822 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2823 | |
1566c39d NC |
2824 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
2825 | minimum of 509 character string literals. */ | |
27da23d5 | 2826 | static const char * const usage_msg[] = { |
1566c39d NC |
2827 | " -0[octal] specify record separator (\\0, if no argument)\n" |
2828 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
2829 | " -C[number/list] enables the listed Unicode features\n" | |
2830 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
2831 | " -d[:debugger] run program under debugger\n" | |
2832 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
2833 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
2834 | " -E program like -e, but enables all optional features\n" | |
2835 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
2836 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
2837 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
2838 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
2839 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
2840 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
2841 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
2842 | " -p assume loop like -n but print line also, like sed\n" | |
2843 | " -s enable rudimentary parsing for switches after programfile\n" | |
2844 | " -S look for programfile using PATH environment variable\n", | |
2845 | " -t enable tainting warnings\n" | |
2846 | " -T enable tainting checks\n" | |
2847 | " -u dump core after parsing program\n" | |
2848 | " -U allow unsafe operations\n" | |
2849 | " -v print version, patchlevel and license\n" | |
2850 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 2851 | " -w enable many useful warnings\n" |
1566c39d NC |
2852 | " -W enable all warnings\n" |
2853 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
2854 | " -X disable all warnings\n" | |
2855 | " \n" | |
2856 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 2857 | NULL |
2858 | }; | |
27da23d5 | 2859 | const char * const *p = usage_msg; |
1566c39d | 2860 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 2861 | |
7918f24d NC |
2862 | PERL_ARGS_ASSERT_USAGE; |
2863 | ||
1566c39d NC |
2864 | PerlIO_printf(out, |
2865 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b0e47665 | 2866 | name); |
fb73857a | 2867 | while (*p) |
1566c39d | 2868 | PerlIO_puts(out, *p++); |
4633a7c4 LW |
2869 | } |
2870 | ||
b4ab917c DM |
2871 | /* convert a string of -D options (or digits) into an int. |
2872 | * sets *s to point to the char after the options */ | |
2873 | ||
2874 | #ifdef DEBUGGING | |
2875 | int | |
e1ec3a88 | 2876 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2877 | { |
27da23d5 | 2878 | static const char * const usage_msgd[] = { |
651b8f1a NC |
2879 | " Debugging flag values: (see also -d)\n" |
2880 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
2881 | " s Stack snapshots (with v, displays all stacks)\n" | |
2882 | " l Context (loop) stack processing\n" | |
2883 | " t Trace execution\n" | |
2884 | " o Method and overloading resolution\n", | |
2885 | " c String/numeric conversions\n" | |
2886 | " P Print profiling info, source file input state\n" | |
2887 | " m Memory and SV allocation\n" | |
2888 | " f Format processing\n" | |
2889 | " r Regular expression parsing and execution\n" | |
2890 | " x Syntax tree dump\n", | |
2891 | " u Tainting checks\n" | |
2892 | " H Hash dump -- usurps values()\n" | |
2893 | " X Scratchpad allocation\n" | |
2894 | " D Cleaning up\n" | |
2895 | " T Tokenising\n" | |
2896 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
2897 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
2898 | " v Verbose: use in conjunction with other flags\n" | |
2899 | " C Copy On Write\n" | |
2900 | " A Consistency checks on internal structures\n" | |
2901 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
2902 | " M trace smart match resolution\n" | |
2903 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
2904 | NULL |
2905 | }; | |
b4ab917c | 2906 | int i = 0; |
7918f24d NC |
2907 | |
2908 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
2909 | ||
b4ab917c DM |
2910 | if (isALPHA(**s)) { |
2911 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 2912 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c DM |
2913 | |
2914 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 2915 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
2916 | if (d) |
2917 | i |= 1 << (d - debopts); | |
2918 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2919 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2920 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2921 | } |
2922 | } | |
e6e64d9b | 2923 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2924 | i = atoi(*s); |
2925 | for (; isALNUM(**s); (*s)++) ; | |
2926 | } | |
ddcf8bc1 | 2927 | else if (givehelp) { |
06e869a4 | 2928 | const char *const *p = usage_msgd; |
651b8f1a | 2929 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 2930 | } |
b4ab917c DM |
2931 | # ifdef EBCDIC |
2932 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2933 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2934 | "-Dp not implemented on this platform\n"); | |
2935 | # endif | |
2936 | return i; | |
2937 | } | |
2938 | #endif | |
2939 | ||
79072805 LW |
2940 | /* This routine handles any switches that can be given during run */ |
2941 | ||
c7030b81 NC |
2942 | const char * |
2943 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 2944 | { |
27da23d5 | 2945 | dVAR; |
84c133a0 | 2946 | UV rschar; |
0544e6df | 2947 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 2948 | |
7918f24d NC |
2949 | PERL_ARGS_ASSERT_MORESWITCHES; |
2950 | ||
79072805 LW |
2951 | switch (*s) { |
2952 | case '0': | |
a863c7d1 | 2953 | { |
f2095865 | 2954 | I32 flags = 0; |
a3b680e6 | 2955 | STRLEN numlen; |
f2095865 JH |
2956 | |
2957 | SvREFCNT_dec(PL_rs); | |
2958 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 2959 | const char *e = s+=2; |
f2095865 JH |
2960 | U8 *tmps; |
2961 | ||
a3b680e6 AL |
2962 | while (*e) |
2963 | e++; | |
f2095865 JH |
2964 | numlen = e - s; |
2965 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2966 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2967 | if (s + numlen < e) { | |
2968 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2969 | numlen = 0; | |
2970 | s--; | |
2971 | } | |
396482e1 | 2972 | PL_rs = newSVpvs(""); |
c5661c80 | 2973 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2974 | tmps = (U8*)SvPVX(PL_rs); |
2975 | uvchr_to_utf8(tmps, rschar); | |
2976 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
2977 | SvUTF8_on(PL_rs); | |
2978 | } | |
2979 | else { | |
2980 | numlen = 4; | |
2981 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
2982 | if (rschar & ~((U8)~0)) | |
2983 | PL_rs = &PL_sv_undef; | |
2984 | else if (!rschar && numlen >= 2) | |
396482e1 | 2985 | PL_rs = newSVpvs(""); |
f2095865 JH |
2986 | else { |
2987 | char ch = (char)rschar; | |
2988 | PL_rs = newSVpvn(&ch, 1); | |
2989 | } | |
2990 | } | |
64ace3f8 | 2991 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 2992 | return s + numlen; |
a863c7d1 | 2993 | } |
46487f74 | 2994 | case 'C': |
a05d7ebb | 2995 | s++; |
dd374669 | 2996 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
2997 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
2998 | PL_utf8cache = -1; | |
46487f74 | 2999 | return s; |
2304df62 | 3000 | case 'F': |
3280af22 | 3001 | PL_minus_F = TRUE; |
ebce5377 RGS |
3002 | PL_splitstr = ++s; |
3003 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3004 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3005 | return s; |
79072805 | 3006 | case 'a': |
3280af22 | 3007 | PL_minus_a = TRUE; |
79072805 LW |
3008 | s++; |
3009 | return s; | |
3010 | case 'c': | |
3280af22 | 3011 | PL_minus_c = TRUE; |
79072805 LW |
3012 | s++; |
3013 | return s; | |
3014 | case 'd': | |
f20b2998 | 3015 | forbid_setid('d', FALSE); |
4633a7c4 | 3016 | s++; |
2cbb2ee1 RGS |
3017 | |
3018 | /* -dt indicates to the debugger that threads will be used */ | |
3019 | if (*s == 't' && !isALNUM(s[1])) { | |
3020 | ++s; | |
3021 | my_setenv("PERL5DB_THREADED", "1"); | |
3022 | } | |
3023 | ||
70c94a19 RR |
3024 | /* The following permits -d:Mod to accepts arguments following an = |
3025 | in the fashion that -MSome::Mod does. */ | |
3026 | if (*s == ':' || *s == '=') { | |
f85893a1 NC |
3027 | const char *start = ++s; |
3028 | const char *const end = s + strlen(s); | |
396482e1 | 3029 | SV * const sv = newSVpvs("use Devel::"); |
f85893a1 | 3030 | |
70c94a19 RR |
3031 | /* We now allow -d:Module=Foo,Bar */ |
3032 | while(isALNUM(*s) || *s==':') ++s; | |
3033 | if (*s != '=') | |
f85893a1 | 3034 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3035 | else { |
3036 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3037 | /* Don't use NUL as q// delimiter here, this string goes in the |
3038 | * environment. */ | |
3039 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3040 | } |
f85893a1 | 3041 | s = end; |
184f32ec | 3042 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3043 | SvREFCNT_dec(sv); |
4633a7c4 | 3044 | } |
ed094faf | 3045 | if (!PL_perldb) { |
3280af22 | 3046 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3047 | init_debugger(); |
ed094faf | 3048 | } |
79072805 LW |
3049 | return s; |
3050 | case 'D': | |
0453d815 | 3051 | { |
79072805 | 3052 | #ifdef DEBUGGING |
f20b2998 | 3053 | forbid_setid('D', FALSE); |
b4ab917c | 3054 | s++; |
dd374669 | 3055 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3056 | #else /* !DEBUGGING */ |
0453d815 | 3057 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3058 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3059 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3060 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3061 | #endif |
79072805 | 3062 | return s; |
0453d815 | 3063 | } |
4633a7c4 | 3064 | case 'h': |
ac27b0f5 | 3065 | usage(PL_origargv[0]); |
7ca617d0 | 3066 | my_exit(0); |
79072805 | 3067 | case 'i': |
43c5f42d | 3068 | Safefree(PL_inplace); |
c030f24b GH |
3069 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3070 | if (*(s+1) == '\0') { | |
c86a4f2e | 3071 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3072 | return s+1; |
3073 | } | |
3074 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3075 | { |
d4c19fe8 | 3076 | const char * const start = ++s; |
5ef5d758 NC |
3077 | while (*s && !isSPACE(*s)) |
3078 | ++s; | |
3079 | ||
3080 | PL_inplace = savepvn(start, s - start); | |
3081 | } | |
7b8d334a | 3082 | if (*s) { |
5ef5d758 | 3083 | ++s; |
7b8d334a | 3084 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3085 | s++; |
7b8d334a | 3086 | } |
fb73857a | 3087 | return s; |
4e49a025 | 3088 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3089 | forbid_setid('I', FALSE); |
fb73857a | 3090 | ++s; |
3091 | while (*s && isSPACE(*s)) | |
3092 | ++s; | |
3093 | if (*s) { | |
c7030b81 | 3094 | const char *e, *p; |
0df16ed7 GS |
3095 | p = s; |
3096 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3097 | do { | |
3098 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3099 | p = e; | |
3100 | while (isSPACE(*p)) | |
3101 | p++; | |
3102 | } while (*p && *p != '-'); | |
55b4bc1c | 3103 | incpush(s, e-s, |
e28f3139 | 3104 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3105 | s = p; |
3106 | if (*s == '-') | |
3107 | s++; | |
79072805 LW |
3108 | } |
3109 | else | |
a67e862a | 3110 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3111 | return s; |
79072805 | 3112 | case 'l': |
3280af22 | 3113 | PL_minus_l = TRUE; |
79072805 | 3114 | s++; |
7889fe52 NIS |
3115 | if (PL_ors_sv) { |
3116 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3117 | PL_ors_sv = NULL; |
7889fe52 | 3118 | } |
79072805 | 3119 | if (isDIGIT(*s)) { |
53305cf1 | 3120 | I32 flags = 0; |
a3b680e6 | 3121 | STRLEN numlen; |
396482e1 | 3122 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3123 | numlen = 3 + (*s == '0'); |
3124 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3125 | s += numlen; |
3126 | } | |
3127 | else { | |
8bfdd7d9 | 3128 | if (RsPARA(PL_rs)) { |
396482e1 | 3129 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3130 | } |
3131 | else { | |
8bfdd7d9 | 3132 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3133 | } |
79072805 LW |
3134 | } |
3135 | return s; | |
1a30305b | 3136 | case 'M': |
f20b2998 | 3137 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3138 | /* FALL THROUGH */ |
3139 | case 'm': | |
f20b2998 | 3140 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3141 | if (*++s) { |
c7030b81 | 3142 | const char *start; |
b64cb68c | 3143 | const char *end; |
11343788 | 3144 | SV *sv; |
e1ec3a88 | 3145 | const char *use = "use "; |
0544e6df | 3146 | bool colon = FALSE; |
a5f75d66 | 3147 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3148 | /* Leading space on " no " is deliberate, to make both |
3149 | possibilities the same length. */ | |
3150 | if (*s == '-') { use = " no "; ++s; } | |
3151 | sv = newSVpvn(use,4); | |
a5f75d66 | 3152 | start = s; |
1a30305b | 3153 | /* We allow -M'Module qw(Foo Bar)' */ |
0544e6df RB |
3154 | while(isALNUM(*s) || *s==':') { |
3155 | if( *s++ == ':' ) { | |
3156 | if( *s == ':' ) | |
3157 | s++; | |
3158 | else | |
3159 | colon = TRUE; | |
3160 | } | |
3161 | } | |
3162 | if (s == start) | |
3163 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3164 | option); | |
3165 | if (colon) | |
3166 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3167 | "contains single ':'", | |
63da6837 | 3168 | (int)(s - start), start, option); |
b64cb68c | 3169 | end = s + strlen(s); |
c07a80fd | 3170 | if (*s != '=') { |
b64cb68c | 3171 | sv_catpvn(sv, start, end - start); |
0544e6df | 3172 | if (option == 'm') { |
c07a80fd | 3173 | if (*s != '\0') |
cea2e8a9 | 3174 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3175 | sv_catpvs( sv, " ()"); |
c07a80fd | 3176 | } |
3177 | } else { | |
11343788 | 3178 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3179 | /* Use NUL as q''-delimiter. */ |
3180 | sv_catpvs(sv, " split(/,/,q\0"); | |
3181 | ++s; | |
3182 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3183 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3184 | } |
b64cb68c | 3185 | s = end; |
29a861e7 | 3186 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3187 | } |
3188 | else | |
0544e6df | 3189 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3190 | return s; |
79072805 | 3191 | case 'n': |
3280af22 | 3192 | PL_minus_n = TRUE; |
79072805 LW |
3193 | s++; |
3194 | return s; | |
3195 | case 'p': | |
3280af22 | 3196 | PL_minus_p = TRUE; |
79072805 LW |
3197 | s++; |
3198 | return s; | |
3199 | case 's': | |
f20b2998 | 3200 | forbid_setid('s', FALSE); |
3280af22 | 3201 | PL_doswitches = TRUE; |
79072805 LW |
3202 | s++; |
3203 | return s; | |
6537fe72 MS |
3204 | case 't': |
3205 | if (!PL_tainting) | |
22f7c9c9 | 3206 | TOO_LATE_FOR('t'); |
6537fe72 MS |
3207 | s++; |
3208 | return s; | |
463ee0b2 | 3209 | case 'T': |
3280af22 | 3210 | if (!PL_tainting) |
22f7c9c9 | 3211 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
3212 | s++; |
3213 | return s; | |
79072805 | 3214 | case 'u': |
3280af22 | 3215 | PL_do_undump = TRUE; |
79072805 LW |
3216 | s++; |
3217 | return s; | |
3218 | case 'U': | |
3280af22 | 3219 | PL_unsafe = TRUE; |
79072805 LW |
3220 | s++; |
3221 | return s; | |
3222 | case 'v': | |
d7aa5382 | 3223 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3224 | upg_version(PL_patchlevel, TRUE); |
8e9464f1 | 3225 | #if !defined(DGUX) |
46807d8e YO |
3226 | { |
3227 | SV* level= vstringify(PL_patchlevel); | |
3228 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3229 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3230 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3231 | # else | |
3232 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3233 | # endif | |
46807d8e YO |
3234 | |
3235 | if (sv_len(num)>=sv_len(level) && strnEQ(SvPV_nolen(num),SvPV_nolen(level),sv_len(level))) { | |
3236 | SvREFCNT_dec(level); | |
3237 | level= num; | |
3238 | } else { | |
d0a9311f | 3239 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); |
46807d8e YO |
3240 | SvREFCNT_dec(num); |
3241 | } | |
3242 | #endif | |
3243 | PerlIO_printf(PerlIO_stdout(), | |
ded326e4 DG |
3244 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3245 | ", version " STRINGIFY(PERL_VERSION) | |
3246 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3247 | " (%"SVf") built for " ARCHNAME, level | |
3248 | ); | |
46807d8e YO |
3249 | SvREFCNT_dec(level); |
3250 | } | |
8e9464f1 JH |
3251 | #else /* DGUX */ |
3252 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
3253 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 3254 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3255 | SVfARG(vstringify(PL_patchlevel)))); |
8e9464f1 JH |
3256 | PerlIO_printf(PerlIO_stdout(), |
3257 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
3258 | OSNAME, __DATE__, __TIME__)); | |
3259 | PerlIO_printf(PerlIO_stdout(), | |
3260 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 3261 | OSVERS)); |
8e9464f1 | 3262 | #endif /* !DGUX */ |
fb73857a | 3263 | #if defined(LOCAL_PATCH_COUNT) |
3264 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
3265 | PerlIO_printf(PerlIO_stdout(), |
3266 | "\n(with %d registered patch%s, " | |
3267 | "see perl -V for more detail)", | |
bb7a0f54 | 3268 | LOCAL_PATCH_COUNT, |
b0e47665 | 3269 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3270 | #endif |
1a30305b | 3271 | |
b0e47665 | 3272 | PerlIO_printf(PerlIO_stdout(), |
32709fdf | 3273 | "\n\nCopyright 1987-2010, Larry Wall\n"); |
79072805 | 3274 | #ifdef MSDOS |
b0e47665 GS |
3275 | PerlIO_printf(PerlIO_stdout(), |
3276 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 3277 | #endif |
3278 | #ifdef DJGPP | |
b0e47665 GS |
3279 | PerlIO_printf(PerlIO_stdout(), |
3280 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
3281 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3282 | #endif |
79072805 | 3283 | #ifdef OS2 |
b0e47665 GS |
3284 | PerlIO_printf(PerlIO_stdout(), |
3285 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 3286 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3287 | #endif |
79072805 | 3288 | #ifdef atarist |
b0e47665 GS |
3289 | PerlIO_printf(PerlIO_stdout(), |
3290 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3291 | #endif |
a3f9223b | 3292 | #ifdef __BEOS__ |
b0e47665 GS |
3293 | PerlIO_printf(PerlIO_stdout(), |
3294 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3295 | #endif |
1d84e8df | 3296 | #ifdef MPE |
b0e47665 | 3297 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3298 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3299 | #endif |
9d116dd7 | 3300 | #ifdef OEMVS |
b0e47665 GS |
3301 | PerlIO_printf(PerlIO_stdout(), |
3302 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3303 | #endif |
495c5fdc | 3304 | #ifdef __VOS__ |
b0e47665 | 3305 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3306 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3307 | #endif |
092bebab | 3308 | #ifdef __OPEN_VM |
b0e47665 GS |
3309 | PerlIO_printf(PerlIO_stdout(), |
3310 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3311 | #endif |
a1a0e61e | 3312 | #ifdef POSIX_BC |
b0e47665 GS |
3313 | PerlIO_printf(PerlIO_stdout(), |
3314 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3315 | #endif |
f83d2536 | 3316 | #ifdef EPOC |
b0e47665 | 3317 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3318 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3319 | #endif |
e1caacb4 | 3320 | #ifdef UNDER_CE |
b475b3e6 JH |
3321 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3322 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3323 | wce_hitreturn(); |
3324 | #endif | |
a0fd4948 | 3325 | #ifdef __SYMBIAN32__ |
27da23d5 JH |
3326 | PerlIO_printf(PerlIO_stdout(), |
3327 | "Symbian port by Nokia, 2004-2005\n"); | |
3328 | #endif | |
baed7233 DL |
3329 | #ifdef BINARY_BUILD_NOTICE |
3330 | BINARY_BUILD_NOTICE; | |
3331 | #endif | |
b0e47665 GS |
3332 | PerlIO_printf(PerlIO_stdout(), |
3333 | "\n\ | |
79072805 | 3334 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3335 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3336 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3337 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3338 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3339 | my_exit(0); |
79072805 | 3340 | case 'w': |
b2e5e6ba | 3341 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { |
ac27b0f5 | 3342 | PL_dowarn |= G_WARN_ON; |
b2e5e6ba | 3343 | } |
599cee73 PM |
3344 | s++; |
3345 | return s; | |
3346 | case 'W': | |
ac27b0f5 | 3347 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d | 3348 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3349 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3350 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3351 | s++; |
3352 | return s; | |
3353 | case 'X': | |
ac27b0f5 | 3354 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d | 3355 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3356 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3357 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3358 | s++; |
3359 | return s; | |
a0d0e21e | 3360 | case '*': |
79072805 | 3361 | case ' ': |
d3133c89 NC |
3362 | while( *s == ' ' ) |
3363 | ++s; | |
3364 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3365 | return s+1; | |
79072805 | 3366 | break; |
a0d0e21e | 3367 | case '-': |
79072805 | 3368 | case 0: |
51882d45 | 3369 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3370 | case '\r': |
3371 | #endif | |
79072805 LW |
3372 | case '\n': |
3373 | case '\t': | |
3374 | break; | |
aa689395 | 3375 | #ifdef ALTERNATE_SHEBANG |
3376 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3377 | break; | |
3378 | #endif | |
79072805 | 3379 | default: |
cea2e8a9 | 3380 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 | 3381 | } |
bd61b366 | 3382 | return NULL; |
79072805 LW |
3383 | } |
3384 | ||
3385 | /* compliments of Tom Christiansen */ | |
3386 | ||
3387 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3388 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3389 | |
3390 | void | |
864dbfa3 | 3391 | Perl_my_unexec(pTHX) |
79072805 | 3392 | { |
b37c2d43 | 3393 | PERL_UNUSED_CONTEXT; |
79072805 | 3394 | #ifdef UNEXEC |
b37c2d43 AL |
3395 | SV * prog = newSVpv(BIN_EXP, 0); |
3396 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3397 | int status = 1; |
79072805 LW |
3398 | extern int etext; |
3399 | ||
396482e1 | 3400 | sv_catpvs(prog, "/perl"); |
396482e1 | 3401 | sv_catpvs(file, ".perldump"); |
79072805 | 3402 | |
ee580363 GS |
3403 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3404 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3405 | PerlProc_exit(status); |
79072805 | 3406 | #else |
a5f75d66 AD |
3407 | # ifdef VMS |
3408 | # include <lib$routines.h> | |
3409 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
84d78eb7 YO |
3410 | # elif defined(WIN32) || defined(__CYGWIN__) |
3411 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3412 | # else |
79072805 | 3413 | ABORT(); /* for use with undump */ |
aa689395 | 3414 | # endif |
a5f75d66 | 3415 | #endif |
79072805 LW |
3416 | } |
3417 | ||
cb68f92d GS |
3418 | /* initialize curinterp */ |
3419 | STATIC void | |
cea2e8a9 | 3420 | S_init_interp(pTHX) |
cb68f92d | 3421 | { |
97aff369 | 3422 | dVAR; |
acfe0abc GS |
3423 | #ifdef MULTIPLICITY |
3424 | # define PERLVAR(var,type) | |
3425 | # define PERLVARA(var,n,type) | |
3426 | # if defined(PERL_IMPLICIT_CONTEXT) | |
b7f7fff6 NC |
3427 | # define PERLVARI(var,type,init) aTHX->var = init; |
3428 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
3967c732 | 3429 | # else |
acfe0abc GS |
3430 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
3431 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3432 | # endif |
acfe0abc | 3433 | # include "intrpvar.h" |
acfe0abc GS |
3434 | # undef PERLVAR |
3435 | # undef PERLVARA | |
3436 | # undef PERLVARI | |
3437 | # undef PERLVARIC | |
3438 | #else | |
3439 | # define PERLVAR(var,type) | |
3440 | # define PERLVARA(var,n,type) | |
3441 | # define PERLVARI(var,type,init) PL_##var = init; | |
3442 | # define PERLVARIC(var,type,init) PL_##var = init; | |
3443 | # include "intrpvar.h" | |
acfe0abc GS |
3444 | # undef PERLVAR |
3445 | # undef PERLVARA | |
3446 | # undef PERLVARI | |
3447 | # undef PERLVARIC | |
cb68f92d GS |
3448 | #endif |
3449 | ||
46ab3289 NC |
3450 | /* As these are inside a structure, PERLVARI isn't capable of initialising |
3451 | them */ | |
6c3f0a89 NC |
3452 | PL_reg_oldcurpm = PL_reg_curpm = NULL; |
3453 | PL_reg_poscache = PL_reg_starttry = NULL; | |
cb68f92d GS |
3454 | } |
3455 | ||
76e3520e | 3456 | STATIC void |
cea2e8a9 | 3457 | S_init_main_stash(pTHX) |
79072805 | 3458 | { |
97aff369 | 3459 | dVAR; |
463ee0b2 | 3460 | GV *gv; |
6e72f9df | 3461 | |
3280af22 | 3462 | PL_curstash = PL_defstash = newHV(); |
23579a14 NC |
3463 | /* We know that the string "main" will be in the global shared string |
3464 | table, so it's a small saving to use it rather than allocate another | |
3465 | 8 bytes. */ | |
18916d0d | 3466 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3467 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3468 | /* If we hadn't caused another reference to "main" to be in the shared |
3469 | string table above, then it would be worth reordering these two, | |
3470 | because otherwise all we do is delete "main" from it as a consequence | |
3471 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3472 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3473 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3474 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3475 | SvREADONLY_on(gv); |
fafc274c NC |
3476 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3477 | SVt_PVAV))); | |
5a5094bd | 3478 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3479 | GvMULTI_on(PL_incgv); |
fafc274c | 3480 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
3280af22 | 3481 | GvMULTI_on(PL_hintgv); |
fafc274c | 3482 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3483 | SvREFCNT_inc_simple_void(PL_defgv); |
fafc274c | 3484 | PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV)); |
5a5094bd | 3485 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3486 | GvMULTI_on(PL_errgv); |
fafc274c | 3487 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
3280af22 | 3488 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3489 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3490 | #ifdef PERL_DONT_CREATE_GVSV |
3491 | gv_SVadd(PL_errgv); | |
3492 | #endif | |
38a03e6e | 3493 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3494 | CLEAR_ERRSV(); |
3280af22 | 3495 | PL_curstash = PL_defstash; |
11faa288 | 3496 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3497 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3498 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3499 | SVt_PVHV)); | |
4633a7c4 | 3500 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3501 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3502 | } |
3503 | ||
fdf5d70d | 3504 | STATIC int |
2f352907 | 3505 | S_open_script(pTHX_ const char *scriptname, bool dosearch, |
f20b2998 | 3506 | bool *suidscript, PerlIO **rsfpp) |
79072805 | 3507 | { |
fdf5d70d | 3508 | int fdscript = -1; |
27da23d5 | 3509 | dVAR; |
1b24ed4b | 3510 | |
7918f24d NC |
3511 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3512 | ||
3280af22 | 3513 | if (PL_e_script) { |
8afc33d6 | 3514 | PL_origfilename = savepvs("-e"); |
96436eeb | 3515 | } |
6c4ab083 GS |
3516 | else { |
3517 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3518 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3519 | |
3520 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3521 | const char *s = scriptname + 8; |
fdf5d70d | 3522 | fdscript = atoi(s); |
6c4ab083 GS |
3523 | while (isDIGIT(*s)) |
3524 | s++; | |
3525 | if (*s) { | |
ae3f3efd PS |
3526 | /* PSz 18 Feb 04 |
3527 | * Tell apart "normal" usage of fdscript, e.g. | |
3528 | * with bash on FreeBSD: | |
3529 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3530 | * from usage in suidperl. | |
3531 | * Does any "normal" usage leave garbage after the number??? | |
3532 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3533 | * suidperl? | |
3534 | */ | |
f20b2998 | 3535 | *suidscript = TRUE; |
ae3f3efd PS |
3536 | /* PSz 20 Feb 04 |
3537 | * Be supersafe and do some sanity-checks. | |
3538 | * Still, can we be sure we got the right thing? | |
3539 | */ | |
3540 | if (*s != '/') { | |
3541 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3542 | } | |
3543 | if (! *(s+1)) { | |
3544 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3545 | } | |
6c4ab083 | 3546 | scriptname = savepv(s + 1); |
3280af22 | 3547 | Safefree(PL_origfilename); |
dd374669 | 3548 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3549 | } |
3550 | } | |
3551 | } | |
3552 | ||
05ec9bb3 | 3553 | CopFILE_free(PL_curcop); |
57843af0 | 3554 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3555 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3556 | scriptname = (char *)""; |
fdf5d70d | 3557 | if (fdscript >= 0) { |
2f9285f8 | 3558 | *rsfpp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
1b24ed4b | 3559 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3560 | if (*rsfpp) |
1b24ed4b | 3561 | /* ensure close-on-exec */ |
2f9285f8 | 3562 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3563 | # endif |
96436eeb | 3564 | } |
79072805 | 3565 | else if (!*scriptname) { |
cdd8118e | 3566 | forbid_setid(0, *suidscript); |
2f9285f8 | 3567 | *rsfpp = PerlIO_stdin(); |
79072805 | 3568 | } |
96436eeb | 3569 | else { |
9c12f1e5 RGS |
3570 | #ifdef FAKE_BIT_BUCKET |
3571 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3572 | * is called) and still have the "-e" work. (Believe it or not, | |
3573 | * a /dev/null is required for the "-e" to work because source | |
3574 | * filter magic is used to implement it. ) This is *not* a general | |
3575 | * replacement for a /dev/null. What we do here is create a temp | |
3576 | * file (an empty file), open up that as the script, and then | |
3577 | * immediately close and unlink it. Close enough for jazz. */ | |
3578 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3579 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3580 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3581 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3582 | FAKE_BIT_BUCKET_TEMPLATE | |
3583 | }; | |
3584 | const char * const err = "Failed to create a fake bit bucket"; | |
3585 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3586 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3587 | int tmpfd = mkstemp(tmpname); | |
3588 | if (tmpfd > -1) { | |
3589 | scriptname = tmpname; | |
3590 | close(tmpfd); | |
3591 | } else | |
3592 | Perl_croak(aTHX_ err); | |
3593 | #else | |
3594 | # ifdef HAS_MKTEMP | |
3595 | scriptname = mktemp(tmpname); | |
3596 | if (!scriptname) | |
3597 | Perl_croak(aTHX_ err); | |
3598 | # endif | |
3599 | #endif | |
3600 | } | |
3601 | #endif | |
2f9285f8 | 3602 | *rsfpp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3603 | #ifdef FAKE_BIT_BUCKET |
3604 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3605 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3606 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3607 | unlink(scriptname); | |
3608 | } | |
3609 | scriptname = BIT_BUCKET; | |
3610 | #endif | |
1b24ed4b | 3611 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3612 | if (*rsfpp) |
1b24ed4b | 3613 | /* ensure close-on-exec */ |
2f9285f8 | 3614 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3615 | # endif |
96436eeb | 3616 | } |
2f9285f8 | 3617 | if (!*rsfpp) { |
447218f8 | 3618 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3619 | if (PL_e_script) |
3620 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3621 | else | |
3622 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3623 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3624 | } |
fdf5d70d | 3625 | return fdscript; |
79072805 | 3626 | } |
8d063cd8 | 3627 | |
7b89560d JH |
3628 | /* Mention |
3629 | * I_SYSSTATVFS HAS_FSTATVFS | |
3630 | * I_SYSMOUNT | |
c890dc6c | 3631 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3632 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3633 | * here so that metaconfig picks them up. */ | |
3634 | ||
104d25b7 | 3635 | |
cc69b689 | 3636 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3637 | /* Don't even need this function. */ |
cc69b689 | 3638 | #else |
ec2019ad NC |
3639 | STATIC void |
3640 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3641 | { | |
7918f24d NC |
3642 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3643 | ||
3280af22 | 3644 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da MHM |
3645 | dVAR; |
3646 | ||
2f9285f8 | 3647 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
b28d0864 | 3648 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 3649 | || |
b28d0864 | 3650 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3651 | ) |
b28d0864 | 3652 | if (!PL_do_undump) |
cea2e8a9 | 3653 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3654 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3655 | /* not set-id, must be wrapped */ |
a687059c | 3656 | } |
79072805 | 3657 | } |
cc69b689 | 3658 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3659 | |
76e3520e | 3660 | STATIC void |
2f9285f8 | 3661 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3662 | { |
97aff369 | 3663 | dVAR; |
c7030b81 | 3664 | const char *s; |
dd374669 | 3665 | register const char *s2; |
33b78306 | 3666 | |
7918f24d NC |
3667 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3668 | ||
33b78306 LW |
3669 | /* skip forward in input to the real script? */ |
3670 | ||
3280af22 | 3671 | while (PL_doextract) { |
2f9285f8 | 3672 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3673 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba IZ |
3674 | s2 = s; |
3675 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
2f9285f8 | 3676 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
3280af22 | 3677 | PL_doextract = FALSE; |
6e72f9df | 3678 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3679 | s2 = s; | |
3680 | while (*s == ' ' || *s == '\t') s++; | |
3681 | if (*s++ == '-') { | |
3792a11b NC |
3682 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' |
3683 | || s2[-1] == '_') s2--; | |
6e72f9df | 3684 | if (strnEQ(s2-4,"perl",4)) |
97bd5664 | 3685 | while ((s = moreswitches(s))) |
155aba94 | 3686 | ; |
33b78306 | 3687 | } |
83025b21 LW |
3688 | } |
3689 | } | |
3690 | } | |
3691 | ||
afe37c7d | 3692 | |
76e3520e | 3693 | STATIC void |
cea2e8a9 | 3694 | S_init_ids(pTHX) |
352d5a3a | 3695 | { |
97aff369 | 3696 | dVAR; |
d8eceb89 JH |
3697 | PL_uid = PerlProc_getuid(); |
3698 | PL_euid = PerlProc_geteuid(); | |
3699 | PL_gid = PerlProc_getgid(); | |
3700 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3701 | #ifdef VMS |
b28d0864 NIS |
3702 | PL_uid |= PL_gid << 16; |
3703 | PL_euid |= PL_egid << 16; | |
748a9306 | 3704 | #endif |
22f7c9c9 JH |
3705 | /* Should not happen: */ |
3706 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 3707 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
ae3f3efd PS |
3708 | /* BUG */ |
3709 | /* PSz 27 Feb 04 | |
3710 | * Should go by suidscript, not uid!=euid: why disallow | |
3711 | * system("ls") in scripts run from setuid things? | |
3712 | * Or, is this run before we check arguments and set suidscript? | |
3713 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3714 | * (We never have suidscript, can we be sure to have fdscript?) | |
3715 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3716 | */ | |
748a9306 | 3717 | } |
79072805 | 3718 | |
a0643315 JH |
3719 | /* This is used very early in the lifetime of the program, |
3720 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3721 | * not been initialized properly. */ |
af419de7 | 3722 | bool |
8f42b153 | 3723 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3724 | { |
c3446a78 JH |
3725 | #ifndef PERL_IMPLICIT_SYS |
3726 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3727 | * before we have an interpreter-- and the whole point of this | |
3728 | * function is to be called at such an early stage. If you are on | |
3729 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3730 | * "tainted because running with altered effective ids', you'll | |
3731 | * have to add your own checks somewhere in here. The two most | |
3732 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3733 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3734 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3735 | int euid = PerlProc_geteuid(); |
af419de7 | 3736 | int gid = PerlProc_getgid(); |
22f7c9c9 | 3737 | int egid = PerlProc_getegid(); |
6867be6d | 3738 | (void)envp; |
22f7c9c9 JH |
3739 | |
3740 | #ifdef VMS | |
af419de7 | 3741 | uid |= gid << 16; |
22f7c9c9 JH |
3742 | euid |= egid << 16; |
3743 | #endif | |
3744 | if (uid && (euid != uid || egid != gid)) | |
3745 | return 1; | |
c3446a78 | 3746 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3747 | /* This is a really primitive check; environment gets ignored only |
3748 | * if -T are the first chars together; otherwise one gets | |
3749 | * "Too late" message. */ | |
22f7c9c9 JH |
3750 | if ( argc > 1 && argv[1][0] == '-' |
3751 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3752 | return 1; | |
3753 | return 0; | |
3754 | } | |
22f7c9c9 | 3755 | |
d0bafe7e NC |
3756 | /* Passing the flag as a single char rather than a string is a slight space |
3757 | optimisation. The only message that isn't /^-.$/ is | |
3758 | "program input from stdin", which is substituted in place of '\0', which | |
3759 | could never be a command line flag. */ | |
76e3520e | 3760 | STATIC void |
f20b2998 | 3761 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 3762 | { |
97aff369 | 3763 | dVAR; |
d0bafe7e NC |
3764 | char string[3] = "-x"; |
3765 | const char *message = "program input from stdin"; | |
3766 | ||
3767 | if (flag) { | |
3768 | string[1] = flag; | |
3769 | message = string; | |
3770 | } | |
3771 | ||
ae3f3efd | 3772 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
3280af22 | 3773 | if (PL_euid != PL_uid) |
d0bafe7e | 3774 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
3280af22 | 3775 | if (PL_egid != PL_gid) |
d0bafe7e | 3776 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 3777 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 3778 | if (suidscript) |
d0bafe7e | 3779 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 3780 | } |
3781 | ||
1ee4443e | 3782 | void |
5b235299 NC |
3783 | Perl_init_dbargs(pTHX) |
3784 | { | |
3785 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
3786 | GV_ADDMULTI, | |
3787 | SVt_PVAV)))); | |
3788 | ||
3789 | if (AvREAL(args)) { | |
3790 | /* Someone has already created it. | |
3791 | It might have entries, and if we just turn off AvREAL(), they will | |
3792 | "leak" until global destruction. */ | |
3793 | av_clear(args); | |
3794 | } | |
3795 | AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */ | |
3796 | } | |
3797 | ||
3798 | void | |
1ee4443e | 3799 | Perl_init_debugger(pTHX) |
748a9306 | 3800 | { |
97aff369 | 3801 | dVAR; |
c4420975 | 3802 | HV * const ostash = PL_curstash; |
1ee4443e | 3803 | |
3280af22 | 3804 | PL_curstash = PL_debstash; |
5b235299 NC |
3805 | |
3806 | Perl_init_dbargs(aTHX); | |
5c1737d1 NC |
3807 | PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3808 | PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3809 | PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
3810 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); | |
4c0f30d6 NC |
3811 | if (!SvIOK(PL_DBsingle)) |
3812 | sv_setiv(PL_DBsingle, 0); | |
5c1737d1 | 3813 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3814 | if (!SvIOK(PL_DBtrace)) |
3815 | sv_setiv(PL_DBtrace, 0); | |
5c1737d1 | 3816 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3817 | if (!SvIOK(PL_DBsignal)) |
3818 | sv_setiv(PL_DBsignal, 0); | |
1ee4443e | 3819 | PL_curstash = ostash; |
352d5a3a LW |
3820 | } |
3821 | ||
2ce36478 SM |
3822 | #ifndef STRESS_REALLOC |
3823 | #define REASONABLE(size) (size) | |
3824 | #else | |
3825 | #define REASONABLE(size) (1) /* unreasonable */ | |
3826 | #endif | |
3827 | ||
11343788 | 3828 | void |
cea2e8a9 | 3829 | Perl_init_stacks(pTHX) |
79072805 | 3830 | { |
97aff369 | 3831 | dVAR; |
e336de0d | 3832 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3833 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3834 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3835 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3836 | PL_curstack = PL_curstackinfo->si_stack; | |
3837 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3838 | |
3280af22 NIS |
3839 | PL_stack_base = AvARRAY(PL_curstack); |
3840 | PL_stack_sp = PL_stack_base; | |
3841 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3842 | |
a02a5408 | 3843 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
3844 | PL_tmps_floor = -1; |
3845 | PL_tmps_ix = -1; | |
3846 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3847 | |
a02a5408 | 3848 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
3849 | PL_markstack_ptr = PL_markstack; |
3850 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3851 | |
ce2f7c3b | 3852 | SET_MARK_OFFSET; |
e336de0d | 3853 | |
a02a5408 | 3854 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
3855 | #ifdef DEBUGGING |
3856 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
3857 | #endif | |
3280af22 NIS |
3858 | PL_scopestack_ix = 0; |
3859 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3860 | |
a02a5408 | 3861 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
3862 | PL_savestack_ix = 0; |
3863 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 3864 | } |
33b78306 | 3865 | |
2ce36478 SM |
3866 | #undef REASONABLE |
3867 | ||
76e3520e | 3868 | STATIC void |
cea2e8a9 | 3869 | S_nuke_stacks(pTHX) |
6e72f9df | 3870 | { |
97aff369 | 3871 | dVAR; |
3280af22 NIS |
3872 | while (PL_curstackinfo->si_next) |
3873 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3874 | while (PL_curstackinfo) { | |
3875 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3876 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3877 | Safefree(PL_curstackinfo->si_cxstack); |
3878 | Safefree(PL_curstackinfo); | |
3879 | PL_curstackinfo = p; | |
e336de0d | 3880 | } |
3280af22 NIS |
3881 | Safefree(PL_tmps_stack); |
3882 | Safefree(PL_markstack); | |
3883 | Safefree(PL_scopestack); | |
58780814 GG |
3884 | #ifdef DEBUGGING |
3885 | Safefree(PL_scopestack_name); | |
3886 | #endif | |
3280af22 | 3887 | Safefree(PL_savestack); |
378cc40b | 3888 | } |
33b78306 | 3889 | |
8990e307 | 3890 | |
76e3520e | 3891 | STATIC void |
cea2e8a9 | 3892 | S_init_predump_symbols(pTHX) |
45d8adaa | 3893 | { |
97aff369 | 3894 | dVAR; |
93a17b20 | 3895 | GV *tmpgv; |
af8c498a | 3896 | IO *io; |
d963bf01 | 3897 | AV *isa; |
79072805 | 3898 | |
64ace3f8 | 3899 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
3900 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
3901 | ||
d963bf01 NC |
3902 | |
3903 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
3904 | FileHandle was loaded, in which case they were blessed into | |
3905 | that. Action at a distance. | |
3906 | However, if we simply bless into IO::Handle, we break code | |
3907 | that assumes that PVIOs will have (among others) a seek | |
3908 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
3909 | and provides the needed methods. But if we simply bless into | |
3910 | it, then we break code that assumed that by loading | |
3911 | IO::Handle, *it* would work. | |
3912 | So a compromise is to set up the correct @IO::File::ISA, | |
3913 | so that code that does C<use IO::Handle>; will still work. | |
3914 | */ | |
3915 | ||
3916 | isa = get_av("IO::File::ISA", GV_ADD | GV_ADDMULTI); | |
3917 | av_push(isa, newSVpvs("IO::Handle")); | |
3918 | av_push(isa, newSVpvs("IO::Seekable")); | |
3919 | av_push(isa, newSVpvs("Exporter")); | |
3920 | (void) gv_fetchpvs("IO::Handle::", GV_ADD, SVt_PVGV); | |
3921 | (void) gv_fetchpvs("IO::Seekable::", GV_ADD, SVt_PVGV); | |
3922 | (void) gv_fetchpvs("Exporter::", GV_ADD, SVt_PVGV); | |
3923 | ||
3924 | ||
fafc274c | 3925 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 3926 | GvMULTI_on(PL_stdingv); |
af8c498a | 3927 | io = GvIOp(PL_stdingv); |
a04651f4 | 3928 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3929 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 3930 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 3931 | GvMULTI_on(tmpgv); |
a45c7426 | 3932 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 3933 | |
fafc274c | 3934 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 3935 | GvMULTI_on(tmpgv); |
af8c498a | 3936 | io = GvIOp(tmpgv); |
a04651f4 | 3937 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3938 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3939 | setdefout(tmpgv); |
fafc274c | 3940 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 3941 | GvMULTI_on(tmpgv); |
a45c7426 | 3942 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 3943 | |
fafc274c | 3944 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
3945 | GvMULTI_on(PL_stderrgv); |
3946 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3947 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3948 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 3949 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 3950 | GvMULTI_on(tmpgv); |
a45c7426 | 3951 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 3952 | |
561b68a9 | 3953 | PL_statname = newSV(0); /* last filename we did stat on */ |
79072805 | 3954 | } |
33b78306 | 3955 | |
a11ec5a9 | 3956 | void |
8f42b153 | 3957 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) |
33b78306 | 3958 | { |
97aff369 | 3959 | dVAR; |
7918f24d NC |
3960 | |
3961 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; | |
3962 | ||
79072805 | 3963 | argc--,argv++; /* skip name of script */ |
3280af22 | 3964 | if (PL_doswitches) { |
79072805 | 3965 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 3966 | char *s; |
79072805 LW |
3967 | if (!argv[0][1]) |
3968 | break; | |
379d538a | 3969 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3970 | argc--,argv++; |
3971 | break; | |
3972 | } | |
155aba94 | 3973 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
3974 | const char *const start_name = argv[0] + 1; |
3975 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
3976 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
3977 | } |
3978 | else | |
71315bf2 | 3979 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 3980 | } |
79072805 | 3981 | } |
fafc274c | 3982 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
a11ec5a9 RGS |
3983 | GvMULTI_on(PL_argvgv); |
3984 | (void)gv_AVadd(PL_argvgv); | |
3985 | av_clear(GvAVn(PL_argvgv)); | |
3986 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 3987 | SV * const sv = newSVpv(argv[0],0); |
a11ec5a9 | 3988 | av_push(GvAVn(PL_argvgv),sv); |
ce81ff12 JH |
3989 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
3990 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
3991 | SvUTF8_on(sv); | |
3992 | } | |
a05d7ebb JH |
3993 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
3994 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
3995 | } |
3996 | } | |
3997 | } | |
3998 | ||
3999 | STATIC void | |
4000 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
4001 | { | |
27da23d5 | 4002 | dVAR; |
a11ec5a9 | 4003 | GV* tmpgv; |
a11ec5a9 | 4004 | |
7918f24d NC |
4005 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4006 | ||
b9f83d2f | 4007 | PL_toptarget = newSV_type(SVt_PVFM); |
76f68e9b | 4008 | sv_setpvs(PL_toptarget, ""); |
b9f83d2f | 4009 | PL_bodytarget = newSV_type(SVt_PVFM); |
76f68e9b | 4010 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 4011 | PL_formtarget = PL_bodytarget; |
79072805 | 4012 | |
bbce6d69 | 4013 | TAINT; |
a11ec5a9 RGS |
4014 | |
4015 | init_argv_symbols(argc,argv); | |
4016 | ||
fafc274c | 4017 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4018 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4019 | } |
fafc274c | 4020 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4021 | HV *hv; |
e17132c1 | 4022 | bool env_is_not_environ; |
3280af22 NIS |
4023 | GvMULTI_on(PL_envgv); |
4024 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4025 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4026 | #ifndef PERL_MICRO |
fa6a1c44 | 4027 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4028 | /* Note that if the supplied env parameter is actually a copy |
4029 | of the global environ then it may now point to free'd memory | |
4030 | if the environment has been modified since. To avoid this | |
4031 | problem we treat env==NULL as meaning 'use the default' | |
4032 | */ | |
4033 | if (!env) | |
4034 | env = environ; | |
e17132c1 JD |
4035 | env_is_not_environ = env != environ; |
4036 | if (env_is_not_environ | |
4efc5df6 GS |
4037 | # ifdef USE_ITHREADS |
4038 | && PL_curinterp == aTHX | |
4039 | # endif | |
4040 | ) | |
4041 | { | |
bd61b366 | 4042 | environ[0] = NULL; |
4efc5df6 | 4043 | } |
9b4eeda5 | 4044 | if (env) { |
9d27dca9 | 4045 | char *s, *old_var; |
27da23d5 | 4046 | SV *sv; |
764df951 | 4047 | for (; *env; env++) { |
9d27dca9 MT |
4048 | old_var = *env; |
4049 | ||
4050 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4051 | continue; |
9d27dca9 | 4052 | |
7da0e383 | 4053 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4054 | *s = '\0'; |
9d27dca9 | 4055 | (void)strupr(old_var); |
61968511 | 4056 | *s = '='; |
137443ea | 4057 | #endif |
61968511 | 4058 | sv = newSVpv(s+1, 0); |
9d27dca9 | 4059 | (void)hv_store(hv, old_var, s - old_var, sv, 0); |
e17132c1 | 4060 | if (env_is_not_environ) |
61968511 | 4061 | mg_set(sv); |
764df951 | 4062 | } |
9b4eeda5 | 4063 | } |
103a7189 | 4064 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4065 | #endif /* !PERL_MICRO */ |
79072805 | 4066 | } |
bbce6d69 | 4067 | TAINT_NOT; |
fafc274c | 4068 | if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
306196c3 | 4069 | SvREADONLY_off(GvSV(tmpgv)); |
7766f137 | 4070 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
4071 | SvREADONLY_on(GvSV(tmpgv)); |
4072 | } | |
4d76a344 RGS |
4073 | #ifdef THREADS_HAVE_PIDS |
4074 | PL_ppid = (IV)getppid(); | |
4075 | #endif | |
2710853f MJD |
4076 | |
4077 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4078 | if (PL_minus_a) { | |
cbfd0a87 | 4079 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4080 | } |
33b78306 | 4081 | } |
34de22dd | 4082 | |
76e3520e | 4083 | STATIC void |
2cace6ac | 4084 | S_init_perllib(pTHX) |
34de22dd | 4085 | { |
97aff369 | 4086 | dVAR; |
32910c7a | 4087 | #ifndef VMS |
929e5b34 | 4088 | const char *perl5lib = NULL; |
32910c7a | 4089 | #endif |
35ba5ce9 | 4090 | const char *s; |
a7560424 | 4091 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4092 | STRLEN len; |
4093 | #endif | |
4094 | ||
3280af22 | 4095 | if (!PL_tainting) { |
552a7a9b | 4096 | #ifndef VMS |
32910c7a | 4097 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4098 | /* |
4099 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4100 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4101 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4102 | */ |
4103 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4104 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4105 | #else |
32910c7a | 4106 | if (perl5lib) |
88f5bc07 | 4107 | #endif |
32910c7a | 4108 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4109 | else { |
4705144d NC |
4110 | s = PerlEnv_getenv("PERLLIB"); |
4111 | if (s) | |
50d61629 | 4112 | incpush_use_sep(s, 0, 0); |
4705144d | 4113 | } |
552a7a9b | 4114 | #else /* VMS */ |
4115 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4116 | * "natural" VMS idiom for a Unix path string. We allow each | |
4117 | * element to be a set of |-separated directories for compatibility. | |
4118 | */ | |
4119 | char buf[256]; | |
4120 | int idx = 0; | |
4121 | if (my_trnlnm("PERL5LIB",buf,0)) | |
e28f3139 | 4122 | do { |
2cace6ac | 4123 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
e28f3139 | 4124 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
f05b5874 | 4125 | else { |
e28f3139 | 4126 | while (my_trnlnm("PERLLIB",buf,idx++)) |
50d61629 | 4127 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4128 | } |
552a7a9b | 4129 | #endif /* VMS */ |
85e6fe83 | 4130 | } |
34de22dd | 4131 | |
b0e687f7 NC |
4132 | #ifndef PERL_IS_MINIPERL |
4133 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4134 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4135 | ||
c90c0ff4 | 4136 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4137 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4138 | */ |
4633a7c4 | 4139 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4140 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4141 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4142 | #endif |
4633a7c4 | 4143 | |
65f19062 | 4144 | #ifdef SITEARCH_EXP |
3b290362 GS |
4145 | /* sitearch is always relative to sitelib on Windows for |
4146 | * DLL-based path intuition to work correctly */ | |
4147 | # if !defined(WIN32) | |
be71fc8f NC |
4148 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4149 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4150 | # endif |
4151 | #endif | |
4152 | ||
4633a7c4 | 4153 | #ifdef SITELIB_EXP |
65f19062 | 4154 | # if defined(WIN32) |
574c798a | 4155 | /* this picks up sitearch as well */ |
e6a0bbf8 | 4156 | s = win32_get_sitelib(PERL_FS_VERSION, &len); |
1fa74d9f | 4157 | if (s) |
e6a0bbf8 | 4158 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4159 | # else |
50d61629 | 4160 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4161 | # endif |
4162 | #endif | |
189d1e8d | 4163 | |
65f19062 | 4164 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4165 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4166 | * DLL-based path intuition to work correctly */ |
4167 | # if !defined(WIN32) | |
be71fc8f NC |
4168 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4169 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4170 | # endif |
4b03c463 | 4171 | #endif |
65f19062 GS |
4172 | |
4173 | #ifdef PERL_VENDORLIB_EXP | |
4174 | # if defined(WIN32) | |
e28f3139 | 4175 | /* this picks up vendorarch as well */ |
e6a0bbf8 | 4176 | s = win32_get_vendorlib(PERL_FS_VERSION, &len); |
1fa74d9f | 4177 | if (s) |
e6a0bbf8 | 4178 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4179 | # else |
be71fc8f NC |
4180 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4181 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4182 | # endif |
a3635516 | 4183 | #endif |
65f19062 | 4184 | |
b9ba2fad | 4185 | #ifdef ARCHLIB_EXP |
2cace6ac | 4186 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4187 | #endif |
4188 | ||
4189 | #ifndef PRIVLIB_EXP | |
4190 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4191 | #endif | |
4192 | ||
4193 | #if defined(WIN32) | |
2cace6ac NC |
4194 | s = win32_get_privlib(PERL_FS_VERSION, &len); |
4195 | if (s) | |
4196 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4197 | #else |
04c9eecc | 4198 | # ifdef NETWARE |
2cace6ac | 4199 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4200 | # else |
2cace6ac | 4201 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4202 | # endif |
b9ba2fad NC |
4203 | #endif |
4204 | ||
3b777bb4 | 4205 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4206 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4207 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4208 | |INCPUSH_CAN_RELOCATE); |
4209 | #endif | |
2cace6ac NC |
4210 | |
4211 | if (!PL_tainting) { | |
4212 | #ifndef VMS | |
2cace6ac NC |
4213 | /* |
4214 | * It isn't possible to delete an environment variable with | |
4215 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4216 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4217 | */ | |
4218 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4219 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4220 | #else |
32910c7a | 4221 | if (perl5lib) |
2cace6ac | 4222 | #endif |
32910c7a NC |
4223 | incpush_use_sep(perl5lib, 0, |
4224 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4225 | #else /* VMS */ |
4226 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4227 | * "natural" VMS idiom for a Unix path string. We allow each | |
4228 | * element to be a set of |-separated directories for compatibility. | |
4229 | */ | |
4230 | char buf[256]; | |
4231 | int idx = 0; | |
4232 | if (my_trnlnm("PERL5LIB",buf,0)) | |
4233 | do { | |
be71fc8f NC |
4234 | incpush_use_sep(buf, 0, |
4235 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4236 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
4237 | #endif /* VMS */ | |
a26c0e28 | 4238 | } |
2cace6ac NC |
4239 | |
4240 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4241 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4242 | */ |
4243 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4244 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4245 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4246 | #endif |
4247 | ||
2cace6ac NC |
4248 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4249 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4250 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4251 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4252 | #endif |
4253 | ||
4254 | ||
4255 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4256 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4257 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4258 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4259 | #endif |
4260 | ||
4261 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4262 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4263 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4264 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4265 | #endif |
b0e687f7 | 4266 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4267 | |
2cace6ac | 4268 | if (!PL_tainting) |
55b4bc1c | 4269 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4270 | } |
4271 | ||
a0fd4948 | 4272 | #if defined(DOSISH) || defined(EPOC) || defined(__SYMBIAN32__) |
774d564b | 4273 | # define PERLLIB_SEP ';' |
4274 | #else | |
4275 | # if defined(VMS) | |
4276 | # define PERLLIB_SEP '|' | |
4277 | # else | |
e37778c2 | 4278 | # define PERLLIB_SEP ':' |
774d564b | 4279 | # endif |
4280 | #endif | |
4281 | #ifndef PERLLIB_MANGLE | |
4282 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4283 | #endif |
774d564b | 4284 | |
ad17a1ae NC |
4285 | /* Push a directory onto @INC if it exists. |
4286 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4287 | onto @INC */ | |
4288 | STATIC SV * | |
7ffdaae6 | 4289 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae | 4290 | { |
97aff369 | 4291 | dVAR; |
ad17a1ae | 4292 | Stat_t tmpstatbuf; |
7918f24d NC |
4293 | |
4294 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4295 | ||
848ef955 | 4296 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4297 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4298 | av_push(av, dir); |
7ffdaae6 NC |
4299 | dir = newSVsv(stem); |
4300 | } else { | |
4301 | /* Truncate dir back to stem. */ | |
4302 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4303 | } |
4304 | return dir; | |
4305 | } | |
4306 | ||
76e3520e | 4307 | STATIC void |
55b4bc1c | 4308 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) |
774d564b | 4309 | { |
97aff369 | 4310 | dVAR; |
7fc73107 | 4311 | const U8 using_sub_dirs |
1e3208d8 NC |
4312 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS |
4313 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4314 | const U8 add_versioned_sub_dirs | |
4315 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4316 | const U8 add_archonly_sub_dirs | |
4317 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
6df20272 | 4318 | #ifdef PERL_INC_VERSION_LIST |
6434436b | 4319 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; |
6df20272 | 4320 | #endif |
6434436b NC |
4321 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
4322 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
a26c0e28 | 4323 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; |
08d0d8ab | 4324 | AV *const inc = GvAVn(PL_incgv); |
774d564b | 4325 | |
08d0d8ab NC |
4326 | PERL_ARGS_ASSERT_INCPUSH; |
4327 | assert(len > 0); | |
3a9a9ba7 | 4328 | |
08d0d8ab NC |
4329 | /* Could remove this vestigial extra block, if we don't mind a lot of |
4330 | re-indenting diff noise. */ | |
55b4bc1c NC |
4331 | { |
4332 | SV *libdir; | |
3a9a9ba7 NC |
4333 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4334 | arranged to unshift #! line -I onto the front of @INC. However, | |
4335 | -I can add version and architecture specific libraries, and they | |
4336 | need to go first. The old code assumed that it was always | |
4337 | pushing. Hence to make it work, need to push the architecture | |
4338 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4339 | the front of @INC. */ | |
7fc73107 | 4340 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; |
774d564b | 4341 | |
55b4bc1c NC |
4342 | if (len) { |
4343 | /* I am not convinced that this is valid when PERLLIB_MANGLE is | |
4344 | defined to so something (in os2/os2.c), but the code has been | |
4345 | this way, ignoring any possible changed of length, since | |
4346 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4347 | it be. */ | |
4348 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
4349 | } else { | |
4350 | libdir = newSVpv(PERLLIB_MANGLE(dir, 0), 0); | |
774d564b | 4351 | } |
4352 | ||
dd374669 AL |
4353 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4354 | parameter. */ | |
4355 | if (canrelocate) { | |
88fe16b2 NC |
4356 | #ifdef PERL_RELOCATABLE_INC |
4357 | /* | |
4358 | * Relocatable include entries are marked with a leading .../ | |
4359 | * | |
4360 | * The algorithm is | |
4361 | * 0: Remove that leading ".../" | |
4362 | * 1: Remove trailing executable name (anything after the last '/') | |
4363 | * from the perl path to give a perl prefix | |
4364 | * Then | |
4365 | * While the @INC element starts "../" and the prefix ends with a real | |
4366 | * directory (ie not . or ..) chop that real directory off the prefix | |
4367 | * and the leading "../" from the @INC element. ie a logical "../" | |
4368 | * cleanup | |
4369 | * Finally concatenate the prefix and the remainder of the @INC element | |
4370 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4371 | * generates /usr/local/lib/perl5 | |
4372 | */ | |
890ce7af | 4373 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4374 | STRLEN libpath_len = SvCUR(libdir); |
4375 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4376 | /* Game on! */ | |
890ce7af | 4377 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4378 | /* Going to use the SV just as a scratch buffer holding a C |
4379 | string: */ | |
4380 | SV *prefix_sv; | |
4381 | char *prefix; | |
4382 | char *lastslash; | |
4383 | ||
4384 | /* $^X is *the* source of taint if tainting is on, hence | |
4385 | SvPOK() won't be true. */ | |
4386 | assert(caret_X); | |
4387 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4388 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4389 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4390 | /* Firstly take off the leading .../ |
4391 | If all else fail we'll do the paths relative to the current | |
4392 | directory. */ | |
4393 | sv_chop(libdir, libpath + 4); | |
4394 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4395 | mortal copies that the mg_get of tainting creates, and | |
4396 | corruption that seems to come via the save stack. | |
4397 | I guess that the save stack isn't correctly set up yet. */ | |
4398 | libpath = SvPVX(libdir); | |
4399 | libpath_len = SvCUR(libdir); | |
4400 | ||
4401 | /* This would work more efficiently with memrchr, but as it's | |
4402 | only a GNU extension we'd need to probe for it and | |
4403 | implement our own. Not hard, but maybe not worth it? */ | |
4404 | ||
4405 | prefix = SvPVX(prefix_sv); | |
4406 | lastslash = strrchr(prefix, '/'); | |
4407 | ||
4408 | /* First time in with the *lastslash = '\0' we just wipe off | |
4409 | the trailing /perl from (say) /usr/foo/bin/perl | |
4410 | */ | |
4411 | if (lastslash) { | |
4412 | SV *tempsv; | |
4413 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4414 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4415 | && (lastslash = strrchr(prefix, '/')))) { | |
4416 | if (lastslash[1] == '\0' | |
4417 | || (lastslash[1] == '.' | |
4418 | && (lastslash[2] == '/' /* ends "/." */ | |
4419 | || (lastslash[2] == '/' | |
4420 | && lastslash[3] == '/' /* or "/.." */ | |
4421 | )))) { | |
4422 | /* Prefix ends "/" or "/." or "/..", any of which | |
4423 | are fishy, so don't do any more logical cleanup. | |
4424 | */ | |
4425 | break; | |
4426 | } | |
4427 | /* Remove leading "../" from path */ | |
4428 | libpath += 3; | |
4429 | libpath_len -= 3; | |
4430 | /* Next iteration round the loop removes the last | |
4431 | directory name from prefix by writing a '\0' in | |
4432 | the while clause. */ | |
4433 | } | |
4434 | /* prefix has been terminated with a '\0' to the correct | |
4435 | length. libpath points somewhere into the libdir SV. | |
4436 | We need to join the 2 with '/' and drop the result into | |
4437 | libdir. */ | |
4438 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4439 | SvREFCNT_dec(libdir); | |
4440 | /* And this is the new libdir. */ | |
4441 | libdir = tempsv; | |
4442 | if (PL_tainting && | |
4443 | (PL_uid != PL_euid || PL_gid != PL_egid)) { | |
4444 | /* Need to taint reloccated paths if running set ID */ | |
4445 | SvTAINTED_on(libdir); | |
4446 | } | |
4447 | } | |
4448 | SvREFCNT_dec(prefix_sv); | |
4449 | } | |
88fe16b2 | 4450 | #endif |
dd374669 | 4451 | } |
774d564b | 4452 | /* |
4453 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4454 | * archname-specific sub-directories. | |
4455 | */ | |
ee80e7be | 4456 | if (using_sub_dirs) { |
7ffdaae6 | 4457 | SV *subdir; |
29d82f8d | 4458 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4459 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4460 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4461 | const char * const *incver; | |
29d82f8d | 4462 | #endif |
aa689395 | 4463 | #ifdef VMS |
4464 | char *unix; | |
4465 | STRLEN len; | |
774d564b | 4466 | |
10cc20f6 | 4467 | |
bd61b366 | 4468 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { |
aa689395 | 4469 | len = strlen(unix); |
4470 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4471 | sv_usepvn(libdir,unix,len); | |
4472 | } | |
4473 | else | |
bf49b057 | 4474 | PerlIO_printf(Perl_error_log, |
aa689395 | 4475 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 4476 | SvPV(libdir,len)); |
aa689395 | 4477 | #endif |
7ffdaae6 NC |
4478 | |
4479 | subdir = newSVsv(libdir); | |
4480 | ||
1e3208d8 | 4481 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4482 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4483 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4484 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4485 | |
9c8a64f0 | 4486 | /* .../version if -d .../version */ |
e51b748d | 4487 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4488 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4489 | } |
9c8a64f0 | 4490 | |
9c8a64f0 | 4491 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4492 | if (addoldvers) { |
9c8a64f0 GS |
4493 | for (incver = incverlist; *incver; incver++) { |
4494 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4495 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4496 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4497 | } |
4498 | } | |
29d82f8d | 4499 | #endif |
c992324b | 4500 | |
1e3208d8 | 4501 | if (add_archonly_sub_dirs) { |
c992324b | 4502 | /* .../archname if -d .../archname */ |
e51b748d | 4503 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4504 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4505 | |
4506 | } | |
10cc20f6 NC |
4507 | |
4508 | assert (SvREFCNT(subdir) == 1); | |
4509 | SvREFCNT_dec(subdir); | |
774d564b | 4510 | } |
4511 | ||
20189146 RGS |
4512 | /* finally add this lib directory at the end of @INC */ |
4513 | if (unshift) { | |
3a9a9ba7 | 4514 | U32 extra = av_len(av) + 1; |
a26c0e28 NC |
4515 | av_unshift(inc, extra + push_basedir); |
4516 | if (push_basedir) | |
4517 | av_store(inc, extra, libdir); | |
3a9a9ba7 NC |
4518 | while (extra--) { |
4519 | /* av owns a reference, av_store() expects to be donated a | |
4520 | reference, and av expects to be sane when it's cleared. | |
4521 | If I wanted to be naughty and wrong, I could peek inside the | |
4522 | implementation of av_clear(), realise that it uses | |
4523 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4524 | and so directly steal from it (with a memcpy() to inc, and | |
4525 | then memset() to NULL them out. But people copy code from the | |
4526 | core expecting it to be best practise, so let's use the API. | |
4527 | Although studious readers will note that I'm not checking any | |
4528 | return codes. */ | |
4529 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4530 | } | |
4531 | SvREFCNT_dec(av); | |
20189146 | 4532 | } |
a26c0e28 | 4533 | else if (push_basedir) { |
3a9a9ba7 | 4534 | av_push(inc, libdir); |
20189146 | 4535 | } |
a26c0e28 NC |
4536 | |
4537 | if (!push_basedir) { | |
4538 | assert (SvREFCNT(libdir) == 1); | |
4539 | SvREFCNT_dec(libdir); | |
4540 | } | |
774d564b | 4541 | } |
34de22dd | 4542 | } |
93a17b20 | 4543 | |
55b4bc1c | 4544 | STATIC void |
50d61629 | 4545 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4546 | { |
50d61629 NC |
4547 | const char *s; |
4548 | const char *end; | |
55b4bc1c NC |
4549 | /* This logic has been broken out from S_incpush(). It may be possible to |
4550 | simplify it. */ | |
4551 | ||
4705144d NC |
4552 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4553 | ||
50d61629 NC |
4554 | if (!len) |
4555 | len = strlen(p); | |
4556 | ||
4557 | end = p + len; | |
4558 | ||
55b4bc1c | 4559 | /* Break at all separators */ |
e42f52dd | 4560 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4561 | if (s == p) { |
4562 | /* skip any consecutive separators */ | |
55b4bc1c | 4563 | |
55b4bc1c | 4564 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4565 | /* But you'll need to write tests */ |
55b4bc1c | 4566 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4567 | } else { |
55b4bc1c | 4568 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4569 | } |
50d61629 | 4570 | p = s + 1; |
55b4bc1c | 4571 | } |
50d61629 NC |
4572 | if (p != end) |
4573 | incpush(p, (STRLEN)(end - p), flags); | |
4574 | ||
55b4bc1c | 4575 | } |
199100c8 | 4576 | |
93a17b20 | 4577 | void |
864dbfa3 | 4578 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4579 | { |
27da23d5 | 4580 | dVAR; |
971a9dd3 | 4581 | SV *atsv; |
5f40764f | 4582 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4583 | CV *cv; |
22921e25 | 4584 | STRLEN len; |
6224f72b | 4585 | int ret; |
db36c5a1 | 4586 | dJMPENV; |
93a17b20 | 4587 | |
7918f24d NC |
4588 | PERL_ARGS_ASSERT_CALL_LIST; |
4589 | ||
e1ec3a88 | 4590 | while (av_len(paramList) >= 0) { |
ea726b52 | 4591 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4592 | if (PL_savebegin) { |
4593 | if (paramList == PL_beginav) { | |
059a8bb7 | 4594 | /* save PL_beginav for compiler */ |
ad64d0ec | 4595 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4596 | } |
4597 | else if (paramList == PL_checkav) { | |
4598 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4599 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4600 | } |
3c10abe3 AG |
4601 | else if (paramList == PL_unitcheckav) { |
4602 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4603 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4604 | } |
059a8bb7 | 4605 | } else { |
81d86705 NC |
4606 | if (!PL_madskills) |
4607 | SAVEFREESV(cv); | |
059a8bb7 | 4608 | } |
14dd3ad8 | 4609 | JMPENV_PUSH(ret); |
6224f72b | 4610 | switch (ret) { |
312caa8e | 4611 | case 0: |
81d86705 NC |
4612 | #ifdef PERL_MAD |
4613 | if (PL_madskills) | |
4614 | PL_madskills |= 16384; | |
4615 | #endif | |
d6f07c05 | 4616 | CALL_LIST_BODY(cv); |
81d86705 NC |
4617 | #ifdef PERL_MAD |
4618 | if (PL_madskills) | |
4619 | PL_madskills &= ~16384; | |
4620 | #endif | |
971a9dd3 | 4621 | atsv = ERRSV; |
10516c54 | 4622 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4623 | if (len) { |
4624 | PL_curcop = &PL_compiling; | |
57843af0 | 4625 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4626 | if (paramList == PL_beginav) |
396482e1 | 4627 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4628 | else |
4f25aa18 GS |
4629 | Perl_sv_catpvf(aTHX_ atsv, |
4630 | "%s failed--call queue aborted", | |
7d30b5c4 | 4631 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4632 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4633 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4634 | : "END"); |
312caa8e CS |
4635 | while (PL_scopestack_ix > oldscope) |
4636 | LEAVE; | |
14dd3ad8 | 4637 | JMPENV_POP; |
be2597df | 4638 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4639 | } |
85e6fe83 | 4640 | break; |
6224f72b | 4641 | case 1: |
f86702cc | 4642 | STATUS_ALL_FAILURE; |
85e6fe83 | 4643 | /* FALL THROUGH */ |
6224f72b | 4644 | case 2: |
85e6fe83 | 4645 | /* my_exit() was called */ |
3280af22 | 4646 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4647 | LEAVE; |
84902520 | 4648 | FREETMPS; |
3280af22 | 4649 | PL_curstash = PL_defstash; |
3280af22 | 4650 | PL_curcop = &PL_compiling; |
57843af0 | 4651 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4652 | JMPENV_POP; |
f86702cc | 4653 | my_exit_jump(); |
85e6fe83 | 4654 | /* NOTREACHED */ |
6224f72b | 4655 | case 3: |
312caa8e CS |
4656 | if (PL_restartop) { |
4657 | PL_curcop = &PL_compiling; | |
57843af0 | 4658 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4659 | JMPENV_JUMP(3); |
85e6fe83 | 4660 | } |
bf49b057 | 4661 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4662 | FREETMPS; |
4663 | break; | |
8990e307 | 4664 | } |
14dd3ad8 | 4665 | JMPENV_POP; |
93a17b20 | 4666 | } |
93a17b20 | 4667 | } |
93a17b20 | 4668 | |
f86702cc | 4669 | void |
864dbfa3 | 4670 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4671 | { |
97aff369 | 4672 | dVAR; |
f86702cc | 4673 | switch (status) { |
4674 | case 0: | |
4675 | STATUS_ALL_SUCCESS; | |
4676 | break; | |
4677 | case 1: | |
4678 | STATUS_ALL_FAILURE; | |
4679 | break; | |
4680 | default: | |
6ac6a52b | 4681 | STATUS_EXIT_SET(status); |
f86702cc | 4682 | break; |
4683 | } | |
4684 | my_exit_jump(); | |
4685 | } | |
4686 | ||
4687 | void | |
864dbfa3 | 4688 | Perl_my_failure_exit(pTHX) |
f86702cc | 4689 | { |
97aff369 | 4690 | dVAR; |
f86702cc | 4691 | #ifdef VMS |
fb38d079 JM |
4692 | /* We have been called to fall on our sword. The desired exit code |
4693 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
4694 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
4695 | * that code is set. | |
fb38d079 JM |
4696 | * |
4697 | * If an error code has not been set, then force the issue. | |
4698 | */ | |
0968cdad JM |
4699 | if (MY_POSIX_EXIT) { |
4700 | ||
e08e1e1d JM |
4701 | /* According to the die_exit.t tests, if errno is non-zero */ |
4702 | /* It should be used for the error status. */ | |
0968cdad | 4703 | |
e08e1e1d JM |
4704 | if (errno == EVMSERR) { |
4705 | STATUS_NATIVE = vaxc$errno; | |
4706 | } else { | |
0968cdad | 4707 | |
e08e1e1d JM |
4708 | /* According to die_exit.t tests, if the child_exit code is */ |
4709 | /* also zero, then we need to exit with a code of 255 */ | |
4710 | if ((errno != 0) && (errno < 256)) | |
4711 | STATUS_UNIX_EXIT_SET(errno); | |
4712 | else if (STATUS_UNIX < 255) { | |
0968cdad | 4713 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
4714 | } |
4715 | ||
0968cdad | 4716 | } |
e08e1e1d JM |
4717 | |
4718 | /* The exit code could have been set by $? or vmsish which | |
4719 | * means that it may not have fatal set. So convert | |
4720 | * success/warning codes to fatal with out changing | |
4721 | * the POSIX status code. The severity makes VMS native | |
4722 | * status handling work, while UNIX mode programs use the | |
4723 | * the POSIX exit codes. | |
4724 | */ | |
4725 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
4726 | STATUS_NATIVE &= STS$M_COND_ID; | |
4727 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
4728 | } | |
0968cdad JM |
4729 | } |
4730 | else { | |
4731 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
4732 | if (vaxc$errno & 1) { | |
4733 | ||
4734 | /* So force success status to failure */ | |
4735 | if (STATUS_NATIVE & 1) | |
4736 | STATUS_ALL_FAILURE; | |
4737 | } | |
4738 | else { | |
4739 | if (!vaxc$errno) { | |
4740 | STATUS_UNIX = EINTR; /* In case something cares */ | |
4741 | STATUS_ALL_FAILURE; | |
4742 | } | |
4743 | else { | |
4744 | int severity; | |
4745 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
4746 | ||
4747 | /* Encode the severity code */ | |
4748 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
4749 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
4750 | ||
4751 | /* Perl expects this to be a fatal error */ | |
4752 | if (severity != STS$K_SEVERE) | |
4753 | STATUS_ALL_FAILURE; | |
4754 | } | |
4755 | } | |
4756 | } | |
fb38d079 | 4757 | |
f86702cc | 4758 | #else |
9b599b2a | 4759 | int exitstatus; |
f86702cc | 4760 | if (errno & 255) |
e5218da5 | 4761 | STATUS_UNIX_SET(errno); |
9b599b2a | 4762 | else { |
e5218da5 | 4763 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 4764 | if (exitstatus & 255) |
e5218da5 | 4765 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 4766 | else |
e5218da5 | 4767 | STATUS_UNIX_SET(255); |
9b599b2a | 4768 | } |
f86702cc | 4769 | #endif |
4770 | my_exit_jump(); | |
93a17b20 LW |
4771 | } |
4772 | ||
76e3520e | 4773 | STATIC void |
cea2e8a9 | 4774 | S_my_exit_jump(pTHX) |
f86702cc | 4775 | { |
27da23d5 | 4776 | dVAR; |
f86702cc | 4777 | |
3280af22 NIS |
4778 | if (PL_e_script) { |
4779 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 4780 | PL_e_script = NULL; |
f86702cc | 4781 | } |
4782 | ||
3280af22 | 4783 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
4784 | dounwind(-1); |
4785 | LEAVE_SCOPE(0); | |
ff0cee69 | 4786 | |
6224f72b | 4787 | JMPENV_JUMP(2); |
f86702cc | 4788 | } |
873ef191 | 4789 | |
0cb96387 | 4790 | static I32 |
acfe0abc | 4791 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 4792 | { |
97aff369 | 4793 | dVAR; |
9d4ba2ae AL |
4794 | const char * const p = SvPVX_const(PL_e_script); |
4795 | const char *nl = strchr(p, '\n'); | |
4796 | ||
4797 | PERL_UNUSED_ARG(idx); | |
4798 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 4799 | |
3280af22 | 4800 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4801 | if (nl-p == 0) { |
0cb96387 | 4802 | filter_del(read_e_script); |
873ef191 | 4803 | return 0; |
7dfe3f66 | 4804 | } |
873ef191 | 4805 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4806 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4807 | return 1; |
4808 | } | |
66610fdd RGS |
4809 | |
4810 | /* | |
4811 | * Local variables: | |
4812 | * c-indentation-style: bsd | |
4813 | * c-basic-offset: 4 | |
4814 | * indent-tabs-mode: t | |
4815 | * End: | |
4816 | * | |
37442d52 RGS |
4817 | * ex: set ts=8 sts=4 sw=4 noet: |
4818 | */ |