Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
737f4459 NC |
3 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
4 | * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by Larry Wall and others | |
a687059c | 5 | * |
352d5a3a LW |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. | |
a687059c | 8 | * |
8d063cd8 LW |
9 | */ |
10 | ||
a0d0e21e | 11 | /* |
4ac71550 TC |
12 | * A ship then new they built for him |
13 | * of mithril and of elven-glass | |
14 | * --from Bilbo's song of EƤrendil | |
15 | * | |
16 | * [p.236 of _The Lord of the Rings_, II/i: "Many Meetings"] | |
a0d0e21e | 17 | */ |
45d8adaa | 18 | |
166f8a29 DM |
19 | /* This file contains the top-level functions that are used to create, use |
20 | * and destroy a perl interpreter, plus the functions used by XS code to | |
21 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 22 | * function of the interpreter; that can be found in perlmain.c |
166f8a29 DM |
23 | */ |
24 | ||
378cc40b | 25 | #include "EXTERN.h" |
864dbfa3 | 26 | #define PERL_IN_PERL_C |
378cc40b | 27 | #include "perl.h" |
e3321bb0 | 28 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 29 | |
011f1a1a JH |
30 | #ifdef NETWARE |
31 | #include "nwutil.h" | |
011f1a1a JH |
32 | #endif |
33 | ||
df5cef82 | 34 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
35 | #ifdef I_UNISTD |
36 | #include <unistd.h> | |
37 | #endif | |
a0d0e21e | 38 | |
2aa47728 NC |
39 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
40 | # ifdef I_SYS_WAIT | |
41 | # include <sys/wait.h> | |
42 | # endif | |
bf357333 NC |
43 | # ifdef I_SYSUIO |
44 | # include <sys/uio.h> | |
45 | # endif | |
46 | ||
47 | union control_un { | |
48 | struct cmsghdr cm; | |
49 | char control[CMSG_SPACE(sizeof(int))]; | |
50 | }; | |
51 | ||
2aa47728 NC |
52 | #endif |
53 | ||
5311654c JH |
54 | #ifdef __BEOS__ |
55 | # define HZ 1000000 | |
56 | #endif | |
57 | ||
58 | #ifndef HZ | |
59 | # ifdef CLK_TCK | |
60 | # define HZ CLK_TCK | |
61 | # else | |
62 | # define HZ 60 | |
63 | # endif | |
64 | #endif | |
65 | ||
7114a2d2 | 66 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 67 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 68 | #endif |
69 | ||
acfe0abc | 70 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 71 | |
cc69b689 | 72 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 73 | /* Drop everything. Heck, don't even try to call it */ |
cc69b689 NC |
74 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) NOOP |
75 | #else | |
ec2019ad | 76 | /* Drop almost everything */ |
cc69b689 | 77 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 78 | #endif |
8d063cd8 | 79 | |
d6f07c05 AL |
80 | #define CALL_BODY_EVAL(myop) \ |
81 | if (PL_op == (myop)) \ | |
139d0ce6 | 82 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); \ |
d6f07c05 AL |
83 | if (PL_op) \ |
84 | CALLRUNOPS(aTHX); | |
85 | ||
86 | #define CALL_BODY_SUB(myop) \ | |
87 | if (PL_op == (myop)) \ | |
139d0ce6 | 88 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
89 | if (PL_op) \ |
90 | CALLRUNOPS(aTHX); | |
91 | ||
92 | #define CALL_LIST_BODY(cv) \ | |
93 | PUSHMARK(PL_stack_sp); \ | |
ad64d0ec | 94 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD); |
d6f07c05 | 95 | |
e6827a76 | 96 | static void |
daa7d858 | 97 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 98 | { |
27da23d5 | 99 | dVAR; |
e6827a76 NC |
100 | if (!PL_curinterp) { |
101 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 102 | #if defined(USE_ITHREADS) |
e6827a76 NC |
103 | INIT_THREADS; |
104 | ALLOC_THREAD_KEY; | |
105 | PERL_SET_THX(my_perl); | |
106 | OP_REFCNT_INIT; | |
71ad1b0c | 107 | HINTS_REFCNT_INIT; |
e6827a76 | 108 | MUTEX_INIT(&PL_dollarzero_mutex); |
06d86050 | 109 | # endif |
016af4f1 DM |
110 | #ifdef PERL_IMPLICIT_CONTEXT |
111 | MUTEX_INIT(&PL_my_ctx_mutex); | |
112 | # endif | |
e6827a76 | 113 | } |
c0bce9aa NC |
114 | #if defined(USE_ITHREADS) |
115 | else | |
116 | #else | |
117 | /* This always happens for non-ithreads */ | |
118 | #endif | |
119 | { | |
e6827a76 NC |
120 | PERL_SET_THX(my_perl); |
121 | } | |
122 | } | |
06d86050 | 123 | |
cbec8ebe DM |
124 | |
125 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
126 | ||
127 | void | |
128 | Perl_sys_init(int* argc, char*** argv) | |
129 | { | |
4fc0badb | 130 | dVAR; |
7918f24d NC |
131 | |
132 | PERL_ARGS_ASSERT_SYS_INIT; | |
133 | ||
cbec8ebe DM |
134 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
135 | PERL_UNUSED_ARG(argv); | |
136 | PERL_SYS_INIT_BODY(argc, argv); | |
137 | } | |
138 | ||
139 | void | |
140 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
141 | { | |
4fc0badb | 142 | dVAR; |
7918f24d NC |
143 | |
144 | PERL_ARGS_ASSERT_SYS_INIT3; | |
145 | ||
cbec8ebe DM |
146 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
147 | PERL_UNUSED_ARG(argv); | |
148 | PERL_UNUSED_ARG(env); | |
149 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
150 | } | |
151 | ||
152 | void | |
d0820ef1 | 153 | Perl_sys_term() |
cbec8ebe | 154 | { |
4fc0badb | 155 | dVAR; |
bf81751b DM |
156 | if (!PL_veto_cleanup) { |
157 | PERL_SYS_TERM_BODY(); | |
158 | } | |
cbec8ebe DM |
159 | } |
160 | ||
161 | ||
32e30700 GS |
162 | #ifdef PERL_IMPLICIT_SYS |
163 | PerlInterpreter * | |
7766f137 GS |
164 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
165 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
166 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
167 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
168 | struct IPerlProc* ipP) | |
169 | { | |
170 | PerlInterpreter *my_perl; | |
7918f24d NC |
171 | |
172 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
173 | ||
9f653bb5 | 174 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 175 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 176 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
177 | Zero(my_perl, 1, PerlInterpreter); |
178 | PL_Mem = ipM; | |
7766f137 GS |
179 | PL_MemShared = ipMS; |
180 | PL_MemParse = ipMP; | |
32e30700 GS |
181 | PL_Env = ipE; |
182 | PL_StdIO = ipStd; | |
183 | PL_LIO = ipLIO; | |
184 | PL_Dir = ipD; | |
185 | PL_Sock = ipS; | |
186 | PL_Proc = ipP; | |
7cb608b5 | 187 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 188 | |
32e30700 GS |
189 | return my_perl; |
190 | } | |
191 | #else | |
954c1994 GS |
192 | |
193 | /* | |
ccfc67b7 JH |
194 | =head1 Embedding Functions |
195 | ||
954c1994 GS |
196 | =for apidoc perl_alloc |
197 | ||
198 | Allocates a new Perl interpreter. See L<perlembed>. | |
199 | ||
200 | =cut | |
201 | */ | |
202 | ||
93a17b20 | 203 | PerlInterpreter * |
cea2e8a9 | 204 | perl_alloc(void) |
79072805 | 205 | { |
cea2e8a9 | 206 | PerlInterpreter *my_perl; |
79072805 | 207 | |
9f653bb5 | 208 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 209 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 210 | |
e6827a76 | 211 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 212 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 213 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
214 | #else |
215 | Zero(my_perl, 1, PerlInterpreter); | |
216 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
217 | return my_perl; | |
218 | #endif | |
79072805 | 219 | } |
32e30700 | 220 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 221 | |
954c1994 GS |
222 | /* |
223 | =for apidoc perl_construct | |
224 | ||
225 | Initializes a new Perl interpreter. See L<perlembed>. | |
226 | ||
227 | =cut | |
228 | */ | |
229 | ||
79072805 | 230 | void |
0cb96387 | 231 | perl_construct(pTHXx) |
79072805 | 232 | { |
27da23d5 | 233 | dVAR; |
7918f24d NC |
234 | |
235 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
236 | ||
8990e307 | 237 | #ifdef MULTIPLICITY |
54aff467 | 238 | init_interp(); |
ac27b0f5 | 239 | PL_perl_destruct_level = 1; |
54aff467 | 240 | #else |
7918f24d | 241 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
242 | if (PL_perl_destruct_level > 0) |
243 | init_interp(); | |
244 | #endif | |
34caed6d DM |
245 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
246 | ||
34caed6d DM |
247 | /* set read-only and try to insure than we wont see REFCNT==0 |
248 | very often */ | |
249 | ||
250 | SvREADONLY_on(&PL_sv_undef); | |
251 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
252 | ||
253 | sv_setpv(&PL_sv_no,PL_No); | |
254 | /* value lookup in void context - happens to have the side effect | |
a43d94f2 NC |
255 | of caching the numeric forms. However, as &PL_sv_no doesn't contain |
256 | a string that is a valid numer, we have to turn the public flags by | |
257 | hand: */ | |
34caed6d | 258 | SvNV(&PL_sv_no); |
c1939273 | 259 | SvIV(&PL_sv_no); |
a43d94f2 NC |
260 | SvIOK_on(&PL_sv_no); |
261 | SvNOK_on(&PL_sv_no); | |
34caed6d DM |
262 | SvREADONLY_on(&PL_sv_no); |
263 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
264 | ||
265 | sv_setpv(&PL_sv_yes,PL_Yes); | |
34caed6d | 266 | SvNV(&PL_sv_yes); |
c1939273 | 267 | SvIV(&PL_sv_yes); |
34caed6d DM |
268 | SvREADONLY_on(&PL_sv_yes); |
269 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
270 | ||
271 | SvREADONLY_on(&PL_sv_placeholder); | |
272 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
273 | ||
274 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 275 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 276 | PL_pidstatus = newHV(); |
ca0c25f6 | 277 | #endif |
79072805 | 278 | |
396482e1 | 279 | PL_rs = newSVpvs("\n"); |
dc92893f | 280 | |
cea2e8a9 | 281 | init_stacks(); |
79072805 | 282 | |
748a9306 | 283 | init_ids(); |
a5f75d66 | 284 | |
312caa8e | 285 | JMPENV_BOOTSTRAP; |
f86702cc | 286 | STATUS_ALL_SUCCESS; |
287 | ||
0672f40e | 288 | init_i18nl10n(1); |
36477c24 | 289 | SET_NUMERIC_STANDARD(); |
0b5b802d | 290 | |
ab821d7f | 291 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 292 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 293 | #endif |
294 | ||
52853b95 GS |
295 | #ifdef HAVE_INTERP_INTERN |
296 | sys_intern_init(); | |
297 | #endif | |
298 | ||
3a1ee7e8 | 299 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 300 | |
3280af22 NIS |
301 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
302 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 303 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
304 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
305 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
306 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 307 | #ifdef USE_ITHREADS |
402d2eb1 NC |
308 | /* First entry is a list of empty elements. It needs to be initialised |
309 | else all hell breaks loose in S_find_uninit_var(). */ | |
310 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 311 | PL_regex_pad = AvARRAY(PL_regex_padav); |
1fcf4c12 | 312 | #endif |
e5dd39fc | 313 | #ifdef USE_REENTRANT_API |
59bd0823 | 314 | Perl_reentrant_init(aTHX); |
e5dd39fc | 315 | #endif |
3d47000e AB |
316 | |
317 | /* Note that strtab is a rather special HV. Assumptions are made | |
318 | about not iterating on it, and not adding tie magic to it. | |
319 | It is properly deallocated in perl_destruct() */ | |
320 | PL_strtab = newHV(); | |
321 | ||
3d47000e AB |
322 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
323 | hv_ksplit(PL_strtab, 512); | |
324 | ||
0631ea03 AB |
325 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
326 | _dyld_lookup_and_bind | |
327 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
328 | #endif /* environ */ | |
329 | ||
2f42fcb0 JH |
330 | #ifndef PERL_MICRO |
331 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 332 | PL_origenviron = environ; |
2f42fcb0 | 333 | # endif |
0631ea03 AB |
334 | #endif |
335 | ||
5311654c | 336 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 337 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
338 | * BeOS has those, but returns the wrong value. |
339 | * The HZ if not originally defined has been by now | |
340 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 341 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
342 | PL_clocktick = sysconf(_SC_CLK_TCK); |
343 | if (PL_clocktick <= 0) | |
344 | #endif | |
345 | PL_clocktick = HZ; | |
346 | ||
081fc587 AB |
347 | PL_stashcache = newHV(); |
348 | ||
e8e3635e | 349 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
d7aa5382 | 350 | |
27da23d5 JH |
351 | #ifdef HAS_MMAP |
352 | if (!PL_mmap_page_size) { | |
353 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
354 | { | |
355 | SETERRNO(0, SS_NORMAL); | |
356 | # ifdef _SC_PAGESIZE | |
357 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
358 | # else | |
359 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
360 | # endif | |
361 | if ((long) PL_mmap_page_size < 0) { | |
362 | if (errno) { | |
44f8325f | 363 | SV * const error = ERRSV; |
d4c19fe8 | 364 | SvUPGRADE(error, SVt_PV); |
0510663f | 365 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
366 | } |
367 | else | |
368 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
369 | } | |
370 | } | |
371 | #else | |
372 | # ifdef HAS_GETPAGESIZE | |
373 | PL_mmap_page_size = getpagesize(); | |
374 | # else | |
375 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
376 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
377 | # endif | |
378 | # endif | |
379 | #endif | |
380 | if (PL_mmap_page_size <= 0) | |
381 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
382 | (IV) PL_mmap_page_size); | |
383 | } | |
384 | #endif /* HAS_MMAP */ | |
385 | ||
386 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
387 | PL_timesbase.tms_utime = 0; | |
388 | PL_timesbase.tms_stime = 0; | |
389 | PL_timesbase.tms_cutime = 0; | |
390 | PL_timesbase.tms_cstime = 0; | |
391 | #endif | |
392 | ||
a3e6e81e | 393 | PL_registered_mros = newHV(); |
9e169432 NC |
394 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
395 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 396 | |
8990e307 | 397 | ENTER; |
79072805 LW |
398 | } |
399 | ||
954c1994 | 400 | /* |
62375a60 NIS |
401 | =for apidoc nothreadhook |
402 | ||
403 | Stub that provides thread hook for perl_destruct when there are | |
404 | no threads. | |
405 | ||
406 | =cut | |
407 | */ | |
408 | ||
409 | int | |
4e9e3734 | 410 | Perl_nothreadhook(pTHX) |
62375a60 | 411 | { |
96a5add6 | 412 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
413 | return 0; |
414 | } | |
415 | ||
41e4abd8 NC |
416 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
417 | void | |
418 | Perl_dump_sv_child(pTHX_ SV *sv) | |
419 | { | |
420 | ssize_t got; | |
bf357333 NC |
421 | const int sock = PL_dumper_fd; |
422 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
423 | union control_un control; |
424 | struct msghdr msg; | |
808ad2d0 | 425 | struct iovec vec[2]; |
bf357333 | 426 | struct cmsghdr *cmptr; |
808ad2d0 NC |
427 | int returned_errno; |
428 | unsigned char buffer[256]; | |
41e4abd8 | 429 | |
7918f24d NC |
430 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
431 | ||
bf357333 | 432 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
433 | return; |
434 | ||
435 | PerlIO_flush(Perl_debug_log); | |
436 | ||
bf357333 NC |
437 | /* All these shenanigans are to pass a file descriptor over to our child for |
438 | it to dump out to. We can't let it hold open the file descriptor when it | |
439 | forks, as the file descriptor it will dump to can turn out to be one end | |
440 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 441 | be open, the wait would be forever.) */ |
bf357333 NC |
442 | |
443 | msg.msg_control = control.control; | |
444 | msg.msg_controllen = sizeof(control.control); | |
445 | /* We're a connected socket so we don't need a destination */ | |
446 | msg.msg_name = NULL; | |
447 | msg.msg_namelen = 0; | |
448 | msg.msg_iov = vec; | |
808ad2d0 | 449 | msg.msg_iovlen = 1; |
bf357333 NC |
450 | |
451 | cmptr = CMSG_FIRSTHDR(&msg); | |
452 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
453 | cmptr->cmsg_level = SOL_SOCKET; | |
454 | cmptr->cmsg_type = SCM_RIGHTS; | |
455 | *((int *)CMSG_DATA(cmptr)) = 1; | |
456 | ||
457 | vec[0].iov_base = (void*)&sv; | |
458 | vec[0].iov_len = sizeof(sv); | |
459 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
460 | |
461 | if(got < 0) { | |
bf357333 | 462 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
463 | abort(); |
464 | } | |
bf357333 NC |
465 | if(got < sizeof(sv)) { |
466 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
467 | abort(); |
468 | } | |
469 | ||
808ad2d0 NC |
470 | /* Return protocol is |
471 | int: errno value | |
472 | unsigned char: length of location string (0 for empty) | |
473 | unsigned char*: string (not terminated) | |
474 | */ | |
475 | vec[0].iov_base = (void*)&returned_errno; | |
476 | vec[0].iov_len = sizeof(returned_errno); | |
477 | vec[1].iov_base = buffer; | |
478 | vec[1].iov_len = 1; | |
479 | ||
480 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
481 | |
482 | if(got < 0) { | |
483 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 484 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
485 | abort(); |
486 | } | |
808ad2d0 | 487 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 488 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 489 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
490 | abort(); |
491 | } | |
492 | ||
808ad2d0 NC |
493 | if (*buffer) { |
494 | got = read(sock, buffer + 1, *buffer); | |
495 | if(got < 0) { | |
496 | perror("Debug leaking scalars parent read 2 failed"); | |
497 | PerlIO_flush(PerlIO_stderr()); | |
498 | abort(); | |
499 | } | |
500 | ||
501 | if(got < *buffer) { | |
502 | perror("Debug leaking scalars parent short read 2"); | |
503 | PerlIO_flush(PerlIO_stderr()); | |
504 | abort(); | |
505 | } | |
506 | } | |
507 | ||
508 | if (returned_errno || *buffer) { | |
509 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
510 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
511 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
512 | } |
513 | } | |
514 | #endif | |
515 | ||
62375a60 | 516 | /* |
954c1994 GS |
517 | =for apidoc perl_destruct |
518 | ||
519 | Shuts down a Perl interpreter. See L<perlembed>. | |
520 | ||
521 | =cut | |
522 | */ | |
523 | ||
31d77e54 | 524 | int |
0cb96387 | 525 | perl_destruct(pTHXx) |
79072805 | 526 | { |
27da23d5 | 527 | dVAR; |
be2ea8ed | 528 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 529 | HV *hv; |
2aa47728 | 530 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
531 | pid_t child; |
532 | #endif | |
8990e307 | 533 | |
7918f24d NC |
534 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
535 | #ifndef MULTIPLICITY | |
ed6c66dd | 536 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 537 | #endif |
9d4ba2ae | 538 | |
7766f137 GS |
539 | /* wait for all pseudo-forked children to finish */ |
540 | PERL_WAIT_FOR_CHILDREN; | |
541 | ||
3280af22 | 542 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
543 | #ifdef DEBUGGING |
544 | { | |
9d4ba2ae AL |
545 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
546 | if (s) { | |
e1ec3a88 | 547 | const int i = atoi(s); |
5f05dabc | 548 | if (destruct_level < i) |
549 | destruct_level = i; | |
550 | } | |
4633a7c4 LW |
551 | } |
552 | #endif | |
553 | ||
27da23d5 | 554 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
555 | dJMPENV; |
556 | int x = 0; | |
557 | ||
558 | JMPENV_PUSH(x); | |
1b6737cc | 559 | PERL_UNUSED_VAR(x); |
f3faeb53 AB |
560 | if (PL_endav && !PL_minus_c) |
561 | call_list(PL_scopestack_ix, PL_endav); | |
562 | JMPENV_POP; | |
26f423df | 563 | } |
f3faeb53 | 564 | LEAVE; |
a0d0e21e LW |
565 | FREETMPS; |
566 | ||
e00b64d4 | 567 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 568 | my_fflush_all(); |
e00b64d4 | 569 | |
62375a60 NIS |
570 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
571 | /* Threads hook has vetoed further cleanup */ | |
c301d606 | 572 | PL_veto_cleanup = TRUE; |
37038d91 | 573 | return STATUS_EXIT; |
62375a60 NIS |
574 | } |
575 | ||
2aa47728 NC |
576 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
577 | if (destruct_level != 0) { | |
578 | /* Fork here to create a child. Our child's job is to preserve the | |
579 | state of scalars prior to destruction, so that we can instruct it | |
580 | to dump any scalars that we later find have leaked. | |
581 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
582 | fail gracefully */ | |
583 | int fd[2]; | |
584 | ||
585 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
586 | perror("Debug leaking scalars socketpair failed"); | |
587 | abort(); | |
588 | } | |
589 | ||
590 | child = fork(); | |
591 | if(child == -1) { | |
592 | perror("Debug leaking scalars fork failed"); | |
593 | abort(); | |
594 | } | |
595 | if (!child) { | |
596 | /* We are the child */ | |
3125a5a4 NC |
597 | const int sock = fd[1]; |
598 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
599 | int f; | |
808ad2d0 NC |
600 | const char *where; |
601 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 602 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 603 | |
2aa47728 | 604 | close(fd[0]); |
2aa47728 | 605 | |
3125a5a4 NC |
606 | /* We need to close all other file descriptors otherwise we end up |
607 | with interesting hangs, where the parent closes its end of a | |
608 | pipe, and sits waiting for (another) child to terminate. Only | |
609 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
610 | we also have the far end of the pipe open. We even need to |
611 | close the debugging fd, because sometimes it happens to be one | |
612 | end of a pipe, and a process is waiting on the other end for | |
613 | EOF. Normally it would be closed at some point earlier in | |
614 | destruction, but if we happen to cause the pipe to remain open, | |
615 | EOF never occurs, and we get an infinite hang. Hence all the | |
616 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
617 | |
618 | f = sysconf(_SC_OPEN_MAX); | |
619 | if(f < 0) { | |
808ad2d0 NC |
620 | where = "sysconf failed"; |
621 | goto abort; | |
3125a5a4 NC |
622 | } |
623 | while (f--) { | |
624 | if (f == sock) | |
625 | continue; | |
3125a5a4 NC |
626 | close(f); |
627 | } | |
628 | ||
2aa47728 NC |
629 | while (1) { |
630 | SV *target; | |
bf357333 NC |
631 | union control_un control; |
632 | struct msghdr msg; | |
633 | struct iovec vec[1]; | |
634 | struct cmsghdr *cmptr; | |
635 | ssize_t got; | |
636 | int got_fd; | |
637 | ||
638 | msg.msg_control = control.control; | |
639 | msg.msg_controllen = sizeof(control.control); | |
640 | /* We're a connected socket so we don't need a source */ | |
641 | msg.msg_name = NULL; | |
642 | msg.msg_namelen = 0; | |
643 | msg.msg_iov = vec; | |
644 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
645 | ||
646 | vec[0].iov_base = (void*)⌖ | |
647 | vec[0].iov_len = sizeof(target); | |
648 | ||
649 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
650 | |
651 | if(got == 0) | |
652 | break; | |
653 | if(got < 0) { | |
808ad2d0 NC |
654 | where = "recv failed"; |
655 | goto abort; | |
2aa47728 NC |
656 | } |
657 | if(got < sizeof(target)) { | |
808ad2d0 NC |
658 | where = "short recv"; |
659 | goto abort; | |
2aa47728 | 660 | } |
bf357333 | 661 | |
808ad2d0 NC |
662 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
663 | where = "no cmsg"; | |
664 | goto abort; | |
665 | } | |
666 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
667 | where = "wrong cmsg_len"; | |
668 | goto abort; | |
669 | } | |
670 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
671 | where = "wrong cmsg_level"; | |
672 | goto abort; | |
673 | } | |
674 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
675 | where = "wrong cmsg_type"; | |
676 | goto abort; | |
677 | } | |
bf357333 NC |
678 | |
679 | got_fd = *(int*)CMSG_DATA(cmptr); | |
680 | /* For our last little bit of trickery, put the file descriptor | |
681 | back into Perl_debug_log, as if we never actually closed it | |
682 | */ | |
808ad2d0 NC |
683 | if(got_fd != debug_fd) { |
684 | if (dup2(got_fd, debug_fd) == -1) { | |
685 | where = "dup2"; | |
686 | goto abort; | |
687 | } | |
688 | } | |
2aa47728 | 689 | sv_dump(target); |
bf357333 | 690 | |
2aa47728 NC |
691 | PerlIO_flush(Perl_debug_log); |
692 | ||
808ad2d0 | 693 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
694 | |
695 | if(got < 0) { | |
808ad2d0 NC |
696 | where = "write failed"; |
697 | goto abort; | |
2aa47728 | 698 | } |
808ad2d0 NC |
699 | if(got < sizeof(success)) { |
700 | where = "short write"; | |
701 | goto abort; | |
2aa47728 NC |
702 | } |
703 | } | |
704 | _exit(0); | |
808ad2d0 NC |
705 | abort: |
706 | { | |
707 | int send_errno = errno; | |
708 | unsigned char length = (unsigned char) strlen(where); | |
709 | struct iovec failure[3] = { | |
710 | {(void*)&send_errno, sizeof(send_errno)}, | |
711 | {&length, 1}, | |
712 | {(void*)where, length} | |
713 | }; | |
714 | int got = writev(sock, failure, 3); | |
715 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
716 | in the parent if we try to read from the socketpair after the | |
717 | child has exited, even if there was data to read. | |
718 | So sleep a bit to give the parent a fighting chance of | |
719 | reading the data. */ | |
720 | sleep(2); | |
721 | _exit((got == -1) ? errno : 0); | |
722 | } | |
bf357333 | 723 | /* End of child. */ |
2aa47728 | 724 | } |
41e4abd8 | 725 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
726 | close(fd[1]); |
727 | } | |
728 | #endif | |
729 | ||
ff0cee69 | 730 | /* We must account for everything. */ |
731 | ||
732 | /* Destroy the main CV and syntax tree */ | |
17fbfdf6 NC |
733 | /* Do this now, because destroying ops can cause new SVs to be generated |
734 | in Perl_pad_swipe, and when running with -DDEBUG_LEAKING_SCALARS they | |
735 | PL_curcop to point to a valid op from which the filename structure | |
736 | member is copied. */ | |
737 | PL_curcop = &PL_compiling; | |
3280af22 | 738 | if (PL_main_root) { |
4e380990 DM |
739 | /* ensure comppad/curpad to refer to main's pad */ |
740 | if (CvPADLIST(PL_main_cv)) { | |
741 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
742 | } | |
3280af22 | 743 | op_free(PL_main_root); |
5f66b61c | 744 | PL_main_root = NULL; |
a0d0e21e | 745 | } |
5f66b61c | 746 | PL_main_start = NULL; |
3280af22 | 747 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 748 | PL_main_cv = NULL; |
24d3c518 | 749 | PL_dirty = TRUE; |
ff0cee69 | 750 | |
13621cfb NIS |
751 | /* Tell PerlIO we are about to tear things apart in case |
752 | we have layers which are using resources that should | |
753 | be cleaned up now. | |
754 | */ | |
755 | ||
756 | PerlIO_destruct(aTHX); | |
757 | ||
3280af22 | 758 | if (PL_sv_objcount) { |
a0d0e21e LW |
759 | /* |
760 | * Try to destruct global references. We do this first so that the | |
761 | * destructors and destructees still exist. Some sv's might remain. | |
762 | * Non-referenced objects are on their own. | |
763 | */ | |
a0d0e21e | 764 | sv_clean_objs(); |
bf9cdc68 | 765 | PL_sv_objcount = 0; |
a0de6cf5 | 766 | if (PL_defoutgv && !SvREFCNT(PL_defoutgv)) |
a0714e2c | 767 | PL_defoutgv = NULL; /* may have been freed */ |
8990e307 LW |
768 | } |
769 | ||
5cd24f17 | 770 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 771 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 772 | PL_warnhook = NULL; |
3280af22 | 773 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 774 | PL_diehook = NULL; |
5cd24f17 | 775 | |
4b556e6c | 776 | /* call exit list functions */ |
3280af22 | 777 | while (PL_exitlistlen-- > 0) |
acfe0abc | 778 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 779 | |
3280af22 | 780 | Safefree(PL_exitlist); |
4b556e6c | 781 | |
1c4916e5 CB |
782 | PL_exitlist = NULL; |
783 | PL_exitlistlen = 0; | |
784 | ||
a3e6e81e NC |
785 | SvREFCNT_dec(PL_registered_mros); |
786 | ||
551a8b83 | 787 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
788 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
789 | * so we certainly shouldn't free it here | |
790 | */ | |
2f42fcb0 | 791 | #ifndef PERL_MICRO |
4b647fb0 | 792 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 793 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
794 | #ifdef USE_ITHREADS |
795 | /* only main thread can free environ[0] contents */ | |
796 | && PL_curinterp == aTHX | |
797 | #endif | |
798 | ) | |
799 | { | |
551a8b83 JH |
800 | I32 i; |
801 | ||
802 | for (i = 0; environ[i]; i++) | |
4b420006 | 803 | safesysfree(environ[i]); |
0631ea03 | 804 | |
4b420006 JH |
805 | /* Must use safesysfree() when working with environ. */ |
806 | safesysfree(environ); | |
551a8b83 JH |
807 | |
808 | environ = PL_origenviron; | |
809 | } | |
810 | #endif | |
2f42fcb0 | 811 | #endif /* !PERL_MICRO */ |
551a8b83 | 812 | |
30985c42 JH |
813 | if (destruct_level == 0) { |
814 | ||
815 | DEBUG_P(debprofdump()); | |
816 | ||
817 | #if defined(PERLIO_LAYERS) | |
818 | /* No more IO - including error messages ! */ | |
819 | PerlIO_cleanup(aTHX); | |
820 | #endif | |
821 | ||
822 | CopFILE_free(&PL_compiling); | |
823 | CopSTASH_free(&PL_compiling); | |
824 | ||
825 | /* The exit() function will do everything that needs doing. */ | |
826 | return STATUS_EXIT; | |
827 | } | |
828 | ||
804ffa60 | 829 | /* reset so print() ends up where we expect */ |
a0714e2c | 830 | setdefout(NULL); |
804ffa60 | 831 | |
5f8cb046 DM |
832 | #ifdef USE_ITHREADS |
833 | /* the syntax tree is shared between clones | |
834 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
835 | * REGEXPs in the parent interpreter | |
836 | * we need to manually ReREFCNT_dec for the clones | |
837 | */ | |
5f8cb046 | 838 | SvREFCNT_dec(PL_regex_padav); |
7d49f689 | 839 | PL_regex_padav = NULL; |
5f8cb046 DM |
840 | PL_regex_pad = NULL; |
841 | #endif | |
842 | ||
ad64d0ec | 843 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
844 | PL_stashcache = NULL; |
845 | ||
5f05dabc | 846 | /* loosen bonds of global variables */ |
847 | ||
2f9285f8 DM |
848 | /* XXX can PL_parser still be non-null here? */ |
849 | if(PL_parser && PL_parser->rsfp) { | |
850 | (void)PerlIO_close(PL_parser->rsfp); | |
851 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 852 | } |
853 | ||
84386e14 RGS |
854 | if (PL_minus_F) { |
855 | Safefree(PL_splitstr); | |
856 | PL_splitstr = NULL; | |
857 | } | |
858 | ||
8ebc5c01 | 859 | /* switches */ |
3280af22 NIS |
860 | PL_minus_n = FALSE; |
861 | PL_minus_p = FALSE; | |
862 | PL_minus_l = FALSE; | |
863 | PL_minus_a = FALSE; | |
864 | PL_minus_F = FALSE; | |
865 | PL_doswitches = FALSE; | |
599cee73 | 866 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
867 | PL_doextract = FALSE; |
868 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
869 | PL_unsafe = FALSE; |
870 | ||
871 | Safefree(PL_inplace); | |
bd61b366 | 872 | PL_inplace = NULL; |
a7cb1f99 | 873 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
874 | |
875 | if (PL_e_script) { | |
876 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 877 | PL_e_script = NULL; |
8ebc5c01 | 878 | } |
879 | ||
bf9cdc68 RG |
880 | PL_perldb = 0; |
881 | ||
8ebc5c01 | 882 | /* magical thingies */ |
883 | ||
e23d9e2f CS |
884 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
885 | PL_ofsgv = NULL; | |
5f05dabc | 886 | |
7889fe52 | 887 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 888 | PL_ors_sv = NULL; |
8ebc5c01 | 889 | |
3280af22 | 890 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 891 | PL_rs = NULL; |
dc92893f | 892 | |
d33b2eba | 893 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 894 | PL_osname = NULL; |
5f05dabc | 895 | |
3280af22 | 896 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
897 | PL_statname = NULL; |
898 | PL_statgv = NULL; | |
5f05dabc | 899 | |
8ebc5c01 | 900 | /* defgv, aka *_ should be taken care of elsewhere */ |
901 | ||
8ebc5c01 | 902 | /* clean up after study() */ |
3280af22 | 903 | SvREFCNT_dec(PL_lastscream); |
a0714e2c | 904 | PL_lastscream = NULL; |
3280af22 NIS |
905 | Safefree(PL_screamfirst); |
906 | PL_screamfirst = 0; | |
907 | Safefree(PL_screamnext); | |
908 | PL_screamnext = 0; | |
8ebc5c01 | 909 | |
7d5ea4e7 GS |
910 | /* float buffer */ |
911 | Safefree(PL_efloatbuf); | |
bd61b366 | 912 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
913 | PL_efloatsize = 0; |
914 | ||
8ebc5c01 | 915 | /* startup and shutdown function lists */ |
3280af22 | 916 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 917 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 918 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 919 | SvREFCNT_dec(PL_checkav); |
ece599bd | 920 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
921 | SvREFCNT_dec(PL_unitcheckav); |
922 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 923 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
924 | PL_beginav = NULL; |
925 | PL_beginav_save = NULL; | |
926 | PL_endav = NULL; | |
927 | PL_checkav = NULL; | |
928 | PL_checkav_save = NULL; | |
3c10abe3 AG |
929 | PL_unitcheckav = NULL; |
930 | PL_unitcheckav_save = NULL; | |
7d49f689 | 931 | PL_initav = NULL; |
5618dfe8 | 932 | |
8ebc5c01 | 933 | /* shortcuts just get cleared */ |
a0714e2c SS |
934 | PL_envgv = NULL; |
935 | PL_incgv = NULL; | |
936 | PL_hintgv = NULL; | |
937 | PL_errgv = NULL; | |
938 | PL_argvgv = NULL; | |
939 | PL_argvoutgv = NULL; | |
940 | PL_stdingv = NULL; | |
941 | PL_stderrgv = NULL; | |
942 | PL_last_in_gv = NULL; | |
943 | PL_replgv = NULL; | |
944 | PL_DBgv = NULL; | |
945 | PL_DBline = NULL; | |
946 | PL_DBsub = NULL; | |
947 | PL_DBsingle = NULL; | |
948 | PL_DBtrace = NULL; | |
949 | PL_DBsignal = NULL; | |
601f1833 | 950 | PL_DBcv = NULL; |
7d49f689 | 951 | PL_dbargs = NULL; |
5c284bb0 | 952 | PL_debstash = NULL; |
8ebc5c01 | 953 | |
7a1c5554 | 954 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 955 | PL_argvout_stack = NULL; |
8ebc5c01 | 956 | |
5c831c24 | 957 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 958 | PL_modglobal = NULL; |
5c831c24 | 959 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 960 | PL_preambleav = NULL; |
5c831c24 | 961 | SvREFCNT_dec(PL_subname); |
a0714e2c | 962 | PL_subname = NULL; |
ca0c25f6 | 963 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 964 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 965 | PL_pidstatus = NULL; |
ca0c25f6 | 966 | #endif |
5c831c24 | 967 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 968 | PL_toptarget = NULL; |
5c831c24 | 969 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
970 | PL_bodytarget = NULL; |
971 | PL_formtarget = NULL; | |
5c831c24 | 972 | |
d33b2eba | 973 | /* free locale stuff */ |
b9582b6a | 974 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 975 | Safefree(PL_collation_name); |
bd61b366 | 976 | PL_collation_name = NULL; |
b9582b6a | 977 | #endif |
d33b2eba | 978 | |
b9582b6a | 979 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 980 | Safefree(PL_numeric_name); |
bd61b366 | 981 | PL_numeric_name = NULL; |
a453c169 | 982 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 983 | PL_numeric_radix_sv = NULL; |
b9582b6a | 984 | #endif |
d33b2eba | 985 | |
5c831c24 GS |
986 | /* clear utf8 character classes */ |
987 | SvREFCNT_dec(PL_utf8_alnum); | |
5c831c24 GS |
988 | SvREFCNT_dec(PL_utf8_ascii); |
989 | SvREFCNT_dec(PL_utf8_alpha); | |
990 | SvREFCNT_dec(PL_utf8_space); | |
991 | SvREFCNT_dec(PL_utf8_cntrl); | |
992 | SvREFCNT_dec(PL_utf8_graph); | |
993 | SvREFCNT_dec(PL_utf8_digit); | |
994 | SvREFCNT_dec(PL_utf8_upper); | |
995 | SvREFCNT_dec(PL_utf8_lower); | |
996 | SvREFCNT_dec(PL_utf8_print); | |
997 | SvREFCNT_dec(PL_utf8_punct); | |
998 | SvREFCNT_dec(PL_utf8_xdigit); | |
999 | SvREFCNT_dec(PL_utf8_mark); | |
1000 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1001 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1002 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1003 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1004 | SvREFCNT_dec(PL_utf8_idstart); |
1005 | SvREFCNT_dec(PL_utf8_idcont); | |
a0714e2c | 1006 | PL_utf8_alnum = NULL; |
a0714e2c SS |
1007 | PL_utf8_ascii = NULL; |
1008 | PL_utf8_alpha = NULL; | |
1009 | PL_utf8_space = NULL; | |
1010 | PL_utf8_cntrl = NULL; | |
1011 | PL_utf8_graph = NULL; | |
1012 | PL_utf8_digit = NULL; | |
1013 | PL_utf8_upper = NULL; | |
1014 | PL_utf8_lower = NULL; | |
1015 | PL_utf8_print = NULL; | |
1016 | PL_utf8_punct = NULL; | |
1017 | PL_utf8_xdigit = NULL; | |
1018 | PL_utf8_mark = NULL; | |
1019 | PL_utf8_toupper = NULL; | |
1020 | PL_utf8_totitle = NULL; | |
1021 | PL_utf8_tolower = NULL; | |
1022 | PL_utf8_tofold = NULL; | |
1023 | PL_utf8_idstart = NULL; | |
1024 | PL_utf8_idcont = NULL; | |
5c831c24 | 1025 | |
971a9dd3 | 1026 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1027 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1028 | PL_compiling.cop_warnings = NULL; |
c28fe1ec NC |
1029 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); |
1030 | PL_compiling.cop_hints_hash = NULL; | |
05ec9bb3 NIS |
1031 | CopFILE_free(&PL_compiling); |
1032 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 1033 | |
a0d0e21e | 1034 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1035 | |
3280af22 NIS |
1036 | hv = PL_defstash; |
1037 | PL_defstash = 0; | |
a0d0e21e | 1038 | SvREFCNT_dec(hv); |
5c831c24 | 1039 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1040 | PL_curstname = NULL; |
a0d0e21e | 1041 | |
5a844595 GS |
1042 | /* clear queued errors */ |
1043 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1044 | PL_errors = NULL; |
5a844595 | 1045 | |
dd69841b BB |
1046 | SvREFCNT_dec(PL_isarev); |
1047 | ||
a0d0e21e | 1048 | FREETMPS; |
0453d815 | 1049 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 1050 | if (PL_scopestack_ix != 0) |
9014280d | 1051 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1052 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
1053 | (long)PL_scopestack_ix); |
1054 | if (PL_savestack_ix != 0) | |
9014280d | 1055 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1056 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
1057 | (long)PL_savestack_ix); |
1058 | if (PL_tmps_floor != -1) | |
9014280d | 1059 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 1060 | (long)PL_tmps_floor + 1); |
a0d0e21e | 1061 | if (cxstack_ix != -1) |
9014280d | 1062 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 1063 | (long)cxstack_ix + 1); |
a0d0e21e | 1064 | } |
8990e307 LW |
1065 | |
1066 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
5226ed68 JH |
1067 | |
1068 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1069 | while (sv_clean_all() > 2) |
5226ed68 JH |
1070 | ; |
1071 | ||
d4777f27 GS |
1072 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1073 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1074 | PL_fdpid = NULL; |
d33b2eba | 1075 | |
6c644e78 GS |
1076 | #ifdef HAVE_INTERP_INTERN |
1077 | sys_intern_clear(); | |
1078 | #endif | |
1079 | ||
6e72f9df | 1080 | /* Destruct the global string table. */ |
1081 | { | |
1082 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1083 | * so that sv_free() won't fail on them. | |
80459961 NC |
1084 | * Now that the global string table is using a single hunk of memory |
1085 | * for both HE and HEK, we either need to explicitly unshare it the | |
1086 | * correct way, or actually free things here. | |
6e72f9df | 1087 | */ |
80459961 NC |
1088 | I32 riter = 0; |
1089 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1090 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1091 | HE *hent = array[0]; |
1092 | ||
6e72f9df | 1093 | for (;;) { |
0453d815 | 1094 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1095 | HE * const next = HeNEXT(hent); |
9014280d | 1096 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1097 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1098 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1099 | Safefree(hent); |
1100 | hent = next; | |
6e72f9df | 1101 | } |
1102 | if (!hent) { | |
1103 | if (++riter > max) | |
1104 | break; | |
1105 | hent = array[riter]; | |
1106 | } | |
1107 | } | |
80459961 NC |
1108 | |
1109 | Safefree(array); | |
1110 | HvARRAY(PL_strtab) = 0; | |
1111 | HvTOTALKEYS(PL_strtab) = 0; | |
1112 | HvFILL(PL_strtab) = 0; | |
6e72f9df | 1113 | } |
3280af22 | 1114 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1115 | |
e652bb2f | 1116 | #ifdef USE_ITHREADS |
c21d1a0f | 1117 | /* free the pointer tables used for cloning */ |
a0739874 | 1118 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1119 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1120 | #endif |
a0739874 | 1121 | |
d33b2eba GS |
1122 | /* free special SVs */ |
1123 | ||
1124 | SvREFCNT(&PL_sv_yes) = 0; | |
1125 | sv_clear(&PL_sv_yes); | |
1126 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1127 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1128 | |
1129 | SvREFCNT(&PL_sv_no) = 0; | |
1130 | sv_clear(&PL_sv_no); | |
1131 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1132 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1133 | |
9f375a43 DM |
1134 | { |
1135 | int i; | |
1136 | for (i=0; i<=2; i++) { | |
1137 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1138 | sv_clear(PERL_DEBUG_PAD(i)); | |
1139 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1140 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1141 | } | |
1142 | } | |
1143 | ||
0453d815 | 1144 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1145 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1146 | |
eba0f806 DM |
1147 | #ifdef DEBUG_LEAKING_SCALARS |
1148 | if (PL_sv_count != 0) { | |
1149 | SV* sva; | |
1150 | SV* sv; | |
1151 | register SV* svend; | |
1152 | ||
ad64d0ec | 1153 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1154 | svend = &sva[SvREFCNT(sva)]; |
1155 | for (sv = sva + 1; sv < svend; ++sv) { | |
1156 | if (SvTYPE(sv) != SVTYPEMASK) { | |
a548cda8 | 1157 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1158 | " flags=0x%"UVxf |
fd0854ff DM |
1159 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
1160 | "\tallocated at %s:%d %s %s%s\n", | |
574b8821 NC |
1161 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1162 | pTHX__VALUE, | |
fd0854ff DM |
1163 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1164 | sv->sv_debug_line, | |
1165 | sv->sv_debug_inpad ? "for" : "by", | |
1166 | sv->sv_debug_optype ? | |
1167 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
1168 | sv->sv_debug_cloned ? " (cloned)" : "" | |
1169 | ); | |
2aa47728 | 1170 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1171 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1172 | #endif |
eba0f806 DM |
1173 | } |
1174 | } | |
1175 | } | |
1176 | } | |
2aa47728 NC |
1177 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1178 | { | |
1179 | int status; | |
1180 | fd_set rset; | |
1181 | /* Wait for up to 4 seconds for child to terminate. | |
1182 | This seems to be the least effort way of timing out on reaping | |
1183 | its exit status. */ | |
1184 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1185 | int sock = PL_dumper_fd; |
2aa47728 NC |
1186 | |
1187 | shutdown(sock, 1); | |
1188 | FD_ZERO(&rset); | |
1189 | FD_SET(sock, &rset); | |
1190 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1191 | waitpid(child, &status, WNOHANG); | |
1192 | close(sock); | |
1193 | } | |
1194 | #endif | |
eba0f806 | 1195 | #endif |
77abb4c6 NC |
1196 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1197 | if (PL_sv_count) | |
1198 | abort(); | |
1199 | #endif | |
bf9cdc68 | 1200 | PL_sv_count = 0; |
eba0f806 | 1201 | |
f1fac472 NC |
1202 | #ifdef PERL_DEBUG_READONLY_OPS |
1203 | free(PL_slabs); | |
1204 | PL_slabs = NULL; | |
1205 | PL_slab_count = 0; | |
1206 | #endif | |
eba0f806 | 1207 | |
56a2bab7 | 1208 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1209 | /* No more IO - including error messages ! */ |
1210 | PerlIO_cleanup(aTHX); | |
1211 | #endif | |
1212 | ||
9f4bd222 | 1213 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1214 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1215 | for no arg - and will try and SvREFCNT_dec it. |
1216 | */ | |
1217 | SvREFCNT(&PL_sv_undef) = 0; | |
1218 | SvREADONLY_off(&PL_sv_undef); | |
1219 | ||
3280af22 | 1220 | Safefree(PL_origfilename); |
bd61b366 | 1221 | PL_origfilename = NULL; |
3280af22 | 1222 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1223 | PL_reg_start_tmp = (char**)NULL; |
1224 | PL_reg_start_tmpl = 0; | |
43c5f42d | 1225 | Safefree(PL_reg_curpm); |
82ba1be6 | 1226 | Safefree(PL_reg_poscache); |
dd28f7bb | 1227 | free_tied_hv_pool(); |
3280af22 | 1228 | Safefree(PL_op_mask); |
cf36064f | 1229 | Safefree(PL_psig_name); |
bf9cdc68 | 1230 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1231 | PL_psig_ptr = (SV**)NULL; |
ce08f86c | 1232 | Safefree(PL_psig_pend); |
bf9cdc68 | 1233 | PL_psig_pend = (int*)NULL; |
31c91b43 LR |
1234 | { |
1235 | /* We need to NULL PL_psig_pend first, so that | |
1236 | signal handlers know not to use it */ | |
1237 | int *psig_save = PL_psig_pend; | |
1238 | PL_psig_pend = (int*)NULL; | |
1239 | Safefree(psig_save); | |
1240 | } | |
a0714e2c | 1241 | PL_formfeed = NULL; |
6e72f9df | 1242 | nuke_stacks(); |
bf9cdc68 RG |
1243 | PL_tainting = FALSE; |
1244 | PL_taint_warn = FALSE; | |
3280af22 | 1245 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1246 | PL_debug = 0; |
ac27b0f5 | 1247 | |
a0d0e21e | 1248 | DEBUG_P(debprofdump()); |
d33b2eba | 1249 | |
e5dd39fc | 1250 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1251 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1252 | #endif |
1253 | ||
612f20c3 GS |
1254 | sv_free_arenas(); |
1255 | ||
5d9a96ca DM |
1256 | while (PL_regmatch_slab) { |
1257 | regmatch_slab *s = PL_regmatch_slab; | |
1258 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1259 | Safefree(s); | |
1260 | } | |
1261 | ||
fc36a67e | 1262 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1263 | ||
3280af22 | 1264 | if (PL_mess_sv) { |
f350b448 NC |
1265 | /* we know that type == SVt_PVMG */ |
1266 | ||
9c63abab | 1267 | /* it could have accumulated taint magic */ |
f350b448 NC |
1268 | MAGIC* mg; |
1269 | MAGIC* moremagic; | |
1270 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1271 | moremagic = mg->mg_moremagic; | |
1272 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1273 | && mg->mg_len >= 0) | |
1274 | Safefree(mg->mg_ptr); | |
1275 | Safefree(mg); | |
9c63abab | 1276 | } |
f350b448 | 1277 | |
fc36a67e | 1278 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1279 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1280 | Safefree(SvANY(PL_mess_sv)); |
1281 | Safefree(PL_mess_sv); | |
a0714e2c | 1282 | PL_mess_sv = NULL; |
fc36a67e | 1283 | } |
37038d91 | 1284 | return STATUS_EXIT; |
79072805 LW |
1285 | } |
1286 | ||
954c1994 GS |
1287 | /* |
1288 | =for apidoc perl_free | |
1289 | ||
1290 | Releases a Perl interpreter. See L<perlembed>. | |
1291 | ||
1292 | =cut | |
1293 | */ | |
1294 | ||
79072805 | 1295 | void |
0cb96387 | 1296 | perl_free(pTHXx) |
79072805 | 1297 | { |
5174512c NC |
1298 | dVAR; |
1299 | ||
7918f24d NC |
1300 | PERL_ARGS_ASSERT_PERL_FREE; |
1301 | ||
c301d606 DM |
1302 | if (PL_veto_cleanup) |
1303 | return; | |
1304 | ||
7cb608b5 | 1305 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1306 | { |
1307 | /* | |
1308 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1309 | * value as we're probably hunting memory leaks then | |
1310 | */ | |
1311 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); | |
1312 | if (!s || atoi(s) == 0) { | |
4fd0a9b8 | 1313 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1314 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1315 | thread at thread exit. */ | |
4fd0a9b8 NC |
1316 | if (DEBUG_m_TEST) { |
1317 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1318 | "free this thread's memory\n"); | |
1319 | PL_debug &= ~ DEBUG_m_FLAG; | |
1320 | } | |
55ef9aae MHM |
1321 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1322 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1323 | PL_debug = old_debug; |
55ef9aae MHM |
1324 | } |
1325 | } | |
7cb608b5 NC |
1326 | #endif |
1327 | ||
acfe0abc | 1328 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1329 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1330 | { |
acfe0abc | 1331 | # ifdef NETWARE |
7af12a34 | 1332 | void *host = nw_internal_host; |
acfe0abc | 1333 | # else |
7af12a34 | 1334 | void *host = w32_internal_host; |
acfe0abc | 1335 | # endif |
7af12a34 | 1336 | PerlMem_free(aTHXx); |
acfe0abc | 1337 | # ifdef NETWARE |
7af12a34 | 1338 | nw_delete_internal_host(host); |
acfe0abc | 1339 | # else |
7af12a34 | 1340 | win32_delete_internal_host(host); |
acfe0abc | 1341 | # endif |
7af12a34 | 1342 | } |
1c0ca838 GS |
1343 | # else |
1344 | PerlMem_free(aTHXx); | |
1345 | # endif | |
acfe0abc GS |
1346 | #else |
1347 | PerlMem_free(aTHXx); | |
76e3520e | 1348 | #endif |
79072805 LW |
1349 | } |
1350 | ||
b7f7fff6 | 1351 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1352 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1353 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1354 | ||
826955bd | 1355 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1356 | #pragma fini "perl_fini" |
666ad1ec GA |
1357 | #elif defined(__sun) && !defined(__GNUC__) |
1358 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1359 | #endif |
1360 | ||
0dbb1585 AL |
1361 | static void |
1362 | #if defined(__GNUC__) | |
1363 | __attribute__((destructor)) | |
aebd1ac7 | 1364 | #endif |
de009b76 | 1365 | perl_fini(void) |
aebd1ac7 | 1366 | { |
27da23d5 | 1367 | dVAR; |
c301d606 | 1368 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1369 | FREE_THREAD_KEY; |
1370 | } | |
1371 | ||
1372 | #endif /* WIN32 */ | |
1373 | #endif /* THREADS */ | |
1374 | ||
4b556e6c | 1375 | void |
864dbfa3 | 1376 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1377 | { |
97aff369 | 1378 | dVAR; |
3280af22 NIS |
1379 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1380 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1381 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1382 | ++PL_exitlistlen; | |
4b556e6c JD |
1383 | } |
1384 | ||
56cf6df8 RGS |
1385 | #ifdef HAS_PROCSELFEXE |
1386 | /* This is a function so that we don't hold on to MAXPATHLEN | |
1387 | bytes of stack longer than necessary | |
1388 | */ | |
1389 | STATIC void | |
e1ec3a88 | 1390 | S_procself_val(pTHX_ SV *sv, const char *arg0) |
56cf6df8 RGS |
1391 | { |
1392 | char buf[MAXPATHLEN]; | |
1393 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1394 | ||
1395 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1396 | includes a spurious NUL which will cause $^X to fail in system | |
1397 | or backticks (this will prevent extensions from being built and | |
1398 | many tests from working). readlink is not meant to add a NUL. | |
1399 | Normal readlink works fine. | |
1400 | */ | |
1401 | if (len > 0 && buf[len-1] == '\0') { | |
1402 | len--; | |
1403 | } | |
1404 | ||
1405 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1406 | returning the text "unknown" from the readlink rather than the path | |
1407 | to the executable (or returning an error from the readlink). Any valid | |
1408 | path has a '/' in it somewhere, so use that to validate the result. | |
1409 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1410 | */ | |
1411 | if (len > 0 && memchr(buf, '/', len)) { | |
1412 | sv_setpvn(sv,buf,len); | |
1413 | } | |
1414 | else { | |
1415 | sv_setpv(sv,arg0); | |
1416 | } | |
1417 | } | |
1418 | #endif /* HAS_PROCSELFEXE */ | |
b7975bdd NC |
1419 | |
1420 | STATIC void | |
1421 | S_set_caret_X(pTHX) { | |
97aff369 | 1422 | dVAR; |
fafc274c | 1423 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd NC |
1424 | if (tmpgv) { |
1425 | #ifdef HAS_PROCSELFEXE | |
1426 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
1427 | #else | |
1428 | #ifdef OS2 | |
c69033f2 | 1429 | sv_setpv(GvSVn(tmpgv), os2_execname(aTHX)); |
b7975bdd | 1430 | #else |
c69033f2 | 1431 | sv_setpv(GvSVn(tmpgv),PL_origargv[0]); |
b7975bdd NC |
1432 | #endif |
1433 | #endif | |
1434 | } | |
1435 | } | |
1436 | ||
954c1994 GS |
1437 | /* |
1438 | =for apidoc perl_parse | |
1439 | ||
1440 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1441 | ||
1442 | =cut | |
1443 | */ | |
1444 | ||
79072805 | 1445 | int |
0cb96387 | 1446 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1447 | { |
27da23d5 | 1448 | dVAR; |
6224f72b | 1449 | I32 oldscope; |
6224f72b | 1450 | int ret; |
db36c5a1 | 1451 | dJMPENV; |
8d063cd8 | 1452 | |
7918f24d NC |
1453 | PERL_ARGS_ASSERT_PERL_PARSE; |
1454 | #ifndef MULTIPLICITY | |
ed6c66dd | 1455 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1456 | #endif |
9d4ba2ae | 1457 | |
b0891165 JH |
1458 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1459 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1460 | * This MUST be done before any hash stores or fetches take place. |
008fb0c0 NC |
1461 | * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set) |
1462 | * yourself, it is your responsibility to provide a good random seed! | |
830b38bd | 1463 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1464 | if (!PL_rehash_seed_set) |
1465 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1466 | { |
9d4ba2ae | 1467 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
bed60192 | 1468 | |
1b6737cc AL |
1469 | if (s && (atoi(s) == 1)) |
1470 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", PL_rehash_seed); | |
b0891165 JH |
1471 | } |
1472 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1473 | ||
3280af22 | 1474 | PL_origargc = argc; |
e2975953 | 1475 | PL_origargv = argv; |
a0d0e21e | 1476 | |
a2722ac9 GA |
1477 | if (PL_origalen != 0) { |
1478 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1479 | } | |
1480 | else { | |
3cb9023d JH |
1481 | /* Set PL_origalen be the sum of the contiguous argv[] |
1482 | * elements plus the size of the env in case that it is | |
e9137a8e | 1483 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1484 | * as the maximum modifiable length of $0. In the worst case |
1485 | * the area we are able to modify is limited to the size of | |
43c32782 | 1486 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1487 | * --jhi */ |
e1ec3a88 | 1488 | const char *s = NULL; |
54bfe034 | 1489 | int i; |
1b6737cc | 1490 | const UV mask = |
7d8e7db3 | 1491 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1492 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1493 | const UV aligned = |
43c32782 JH |
1494 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1495 | ||
1496 | /* See if all the arguments are contiguous in memory. Note | |
1497 | * that 'contiguous' is a loose term because some platforms | |
1498 | * align the argv[] and the envp[]. If the arguments look | |
1499 | * like non-aligned, assume that they are 'strictly' or | |
1500 | * 'traditionally' contiguous. If the arguments look like | |
1501 | * aligned, we just check that they are within aligned | |
1502 | * PTRSIZE bytes. As long as no system has something bizarre | |
1503 | * like the argv[] interleaved with some other data, we are | |
1504 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1505 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1506 | while (*s) s++; | |
1507 | for (i = 1; i < PL_origargc; i++) { | |
1508 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1509 | #ifdef OS2 |
c8941eeb | 1510 | || PL_origargv[i] == s + 2 |
43c32782 | 1511 | #endif |
c8941eeb JH |
1512 | ) |
1513 | || | |
1514 | (aligned && | |
1515 | (PL_origargv[i] > s && | |
1516 | PL_origargv[i] <= | |
1517 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1518 | ) | |
1519 | { | |
1520 | s = PL_origargv[i]; | |
1521 | while (*s) s++; | |
1522 | } | |
1523 | else | |
1524 | break; | |
54bfe034 | 1525 | } |
54bfe034 | 1526 | } |
a4a109c2 JD |
1527 | |
1528 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1529 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1530 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1531 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1532 | || |
1533 | (aligned && | |
1534 | (PL_origenviron[0] > s && | |
1535 | PL_origenviron[0] <= | |
1536 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1537 | ) | |
1538 | { | |
9d419b5f | 1539 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1540 | s = PL_origenviron[0]; |
1541 | while (*s) s++; | |
1542 | #endif | |
bd61b366 | 1543 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1544 | /* Force copy of environment. */ |
1545 | for (i = 1; PL_origenviron[i]; i++) { | |
1546 | if (PL_origenviron[i] == s + 1 | |
1547 | || | |
1548 | (aligned && | |
1549 | (PL_origenviron[i] > s && | |
1550 | PL_origenviron[i] <= | |
1551 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1552 | ) | |
1553 | { | |
1554 | s = PL_origenviron[i]; | |
1555 | while (*s) s++; | |
1556 | } | |
1557 | else | |
1558 | break; | |
54bfe034 | 1559 | } |
43c32782 | 1560 | } |
54bfe034 | 1561 | } |
a4a109c2 JD |
1562 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1563 | ||
2d2af554 | 1564 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1565 | } |
1566 | ||
3280af22 | 1567 | if (PL_do_undump) { |
a0d0e21e LW |
1568 | |
1569 | /* Come here if running an undumped a.out. */ | |
1570 | ||
3280af22 NIS |
1571 | PL_origfilename = savepv(argv[0]); |
1572 | PL_do_undump = FALSE; | |
a0d0e21e | 1573 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1574 | init_ids(); |
b7975bdd NC |
1575 | assert (!PL_tainted); |
1576 | TAINT; | |
1577 | S_set_caret_X(aTHX); | |
1578 | TAINT_NOT; | |
a0d0e21e LW |
1579 | init_postdump_symbols(argc,argv,env); |
1580 | return 0; | |
1581 | } | |
1582 | ||
3280af22 | 1583 | if (PL_main_root) { |
3280af22 | 1584 | op_free(PL_main_root); |
5f66b61c | 1585 | PL_main_root = NULL; |
ff0cee69 | 1586 | } |
5f66b61c | 1587 | PL_main_start = NULL; |
3280af22 | 1588 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1589 | PL_main_cv = NULL; |
79072805 | 1590 | |
3280af22 NIS |
1591 | time(&PL_basetime); |
1592 | oldscope = PL_scopestack_ix; | |
599cee73 | 1593 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1594 | |
14dd3ad8 | 1595 | JMPENV_PUSH(ret); |
6224f72b | 1596 | switch (ret) { |
312caa8e | 1597 | case 0: |
14dd3ad8 | 1598 | parse_body(env,xsinit); |
3c10abe3 AG |
1599 | if (PL_unitcheckav) |
1600 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1601 | if (PL_checkav) |
1602 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1603 | ret = 0; |
1604 | break; | |
6224f72b GS |
1605 | case 1: |
1606 | STATUS_ALL_FAILURE; | |
1607 | /* FALL THROUGH */ | |
1608 | case 2: | |
1609 | /* my_exit() was called */ | |
3280af22 | 1610 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1611 | LEAVE; |
1612 | FREETMPS; | |
3280af22 | 1613 | PL_curstash = PL_defstash; |
3c10abe3 AG |
1614 | if (PL_unitcheckav) |
1615 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1616 | if (PL_checkav) |
1617 | call_list(oldscope, PL_checkav); | |
37038d91 | 1618 | ret = STATUS_EXIT; |
14dd3ad8 | 1619 | break; |
6224f72b | 1620 | case 3: |
bf49b057 | 1621 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1622 | ret = 1; |
1623 | break; | |
6224f72b | 1624 | } |
14dd3ad8 GS |
1625 | JMPENV_POP; |
1626 | return ret; | |
1627 | } | |
1628 | ||
be71fc8f NC |
1629 | #define INCPUSH_UNSHIFT 0x01 |
1630 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1631 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1632 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1633 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1634 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1635 | #define INCPUSH_ADD_SUB_DIRS \ |
1636 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1637 | |
312caa8e | 1638 | STATIC void * |
14dd3ad8 | 1639 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1640 | { |
27da23d5 | 1641 | dVAR; |
2f9285f8 | 1642 | PerlIO *rsfp; |
312caa8e | 1643 | int argc = PL_origargc; |
8f42b153 | 1644 | char **argv = PL_origargv; |
e1ec3a88 | 1645 | const char *scriptname = NULL; |
312caa8e | 1646 | VOL bool dosearch = FALSE; |
c7030b81 | 1647 | register char c; |
bd61b366 | 1648 | const char *cddir = NULL; |
ab019eaa | 1649 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1650 | bool minus_f = FALSE; |
ab019eaa | 1651 | #endif |
009d90df | 1652 | SV *linestr_sv = newSV_type(SVt_PVIV); |
5486870f | 1653 | bool add_read_e_script = FALSE; |
009d90df DM |
1654 | |
1655 | SvGROW(linestr_sv, 80); | |
76f68e9b | 1656 | sv_setpvs(linestr_sv,""); |
312caa8e | 1657 | |
6224f72b | 1658 | init_main_stash(); |
54310121 | 1659 | |
c7030b81 NC |
1660 | { |
1661 | const char *s; | |
6224f72b GS |
1662 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1663 | if (argv[0][0] != '-' || !argv[0][1]) | |
1664 | break; | |
6224f72b GS |
1665 | s = argv[0]+1; |
1666 | reswitch: | |
47f56822 | 1667 | switch ((c = *s)) { |
729a02f2 | 1668 | case 'C': |
1d5472a9 GS |
1669 | #ifndef PERL_STRICT_CR |
1670 | case '\r': | |
1671 | #endif | |
6224f72b GS |
1672 | case ' ': |
1673 | case '0': | |
1674 | case 'F': | |
1675 | case 'a': | |
1676 | case 'c': | |
1677 | case 'd': | |
1678 | case 'D': | |
1679 | case 'h': | |
1680 | case 'i': | |
1681 | case 'l': | |
1682 | case 'M': | |
1683 | case 'm': | |
1684 | case 'n': | |
1685 | case 'p': | |
1686 | case 's': | |
1687 | case 'u': | |
1688 | case 'U': | |
1689 | case 'v': | |
599cee73 PM |
1690 | case 'W': |
1691 | case 'X': | |
6224f72b | 1692 | case 'w': |
97bd5664 | 1693 | if ((s = moreswitches(s))) |
6224f72b GS |
1694 | goto reswitch; |
1695 | break; | |
33b78306 | 1696 | |
1dbad523 | 1697 | case 't': |
22f7c9c9 | 1698 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1699 | if( !PL_tainting ) { |
1700 | PL_taint_warn = TRUE; | |
1701 | PL_tainting = TRUE; | |
1702 | } | |
1703 | s++; | |
1704 | goto reswitch; | |
6224f72b | 1705 | case 'T': |
22f7c9c9 | 1706 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1707 | PL_tainting = TRUE; |
317ea90d | 1708 | PL_taint_warn = FALSE; |
6224f72b GS |
1709 | s++; |
1710 | goto reswitch; | |
f86702cc | 1711 | |
bc9b29db RH |
1712 | case 'E': |
1713 | PL_minus_E = TRUE; | |
1714 | /* FALL THROUGH */ | |
6224f72b | 1715 | case 'e': |
f20b2998 | 1716 | forbid_setid('e', FALSE); |
3280af22 | 1717 | if (!PL_e_script) { |
396482e1 | 1718 | PL_e_script = newSVpvs(""); |
5486870f | 1719 | add_read_e_script = TRUE; |
6224f72b GS |
1720 | } |
1721 | if (*++s) | |
3280af22 | 1722 | sv_catpv(PL_e_script, s); |
6224f72b | 1723 | else if (argv[1]) { |
3280af22 | 1724 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1725 | argc--,argv++; |
1726 | } | |
1727 | else | |
47f56822 | 1728 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1729 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1730 | break; |
afe37c7d | 1731 | |
20ef40cf | 1732 | case 'f': |
f5542d3a | 1733 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1734 | minus_f = TRUE; |
f5542d3a | 1735 | #endif |
20ef40cf GA |
1736 | s++; |
1737 | goto reswitch; | |
1738 | ||
6224f72b | 1739 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1740 | forbid_setid('I', FALSE); |
bd61b366 | 1741 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1742 | argc--,argv++; |
1743 | } | |
6224f72b | 1744 | if (s && *s) { |
0df16ed7 | 1745 | STRLEN len = strlen(s); |
55b4bc1c | 1746 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1747 | } |
1748 | else | |
a67e862a | 1749 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1750 | break; |
6224f72b | 1751 | case 'S': |
f20b2998 | 1752 | forbid_setid('S', FALSE); |
6224f72b GS |
1753 | dosearch = TRUE; |
1754 | s++; | |
1755 | goto reswitch; | |
1756 | case 'V': | |
7edfd0ef NC |
1757 | { |
1758 | SV *opts_prog; | |
1759 | ||
29a861e7 | 1760 | Perl_av_create_and_push(aTHX_ &PL_preambleav, newSVpvs("use Config;")); |
7edfd0ef | 1761 | if (*++s != ':') { |
389d73ad NC |
1762 | /* Can't do newSVpvs() as that would involve pre-processor |
1763 | condititionals inside a macro expansion. */ | |
1764 | opts_prog = Perl_newSVpv(aTHX_ "$_ = join ' ', sort qw(" | |
6224f72b | 1765 | # ifdef DEBUGGING |
e2e4dbf1 | 1766 | " DEBUGGING" |
6224f72b | 1767 | # endif |
3bcf5ed8 SP |
1768 | # ifdef NO_MATHOMS |
1769 | " NO_MATHOMS" | |
1770 | # endif | |
f89a1e08 NC |
1771 | # ifdef PERL_DISABLE_PMC |
1772 | " PERL_DISABLE_PMC" | |
1773 | # endif | |
85e1fcb9 | 1774 | # ifdef PERL_DONT_CREATE_GVSV |
e2e4dbf1 | 1775 | " PERL_DONT_CREATE_GVSV" |
85e1fcb9 | 1776 | # endif |
85e1fcb9 | 1777 | # ifdef PERL_MALLOC_WRAP |
e2e4dbf1 | 1778 | " PERL_MALLOC_WRAP" |
85e1fcb9 | 1779 | # endif |
4724db38 NC |
1780 | # ifdef PERL_MEM_LOG |
1781 | " PERL_MEM_LOG" | |
1782 | # endif | |
4bd8fafa RGS |
1783 | # ifdef PERL_MEM_LOG_NOIMPL |
1784 | " PERL_MEM_LOG_NOIMPL" | |
4724db38 | 1785 | # endif |
1be1b388 MB |
1786 | # ifdef PERL_USE_DEVEL |
1787 | " PERL_USE_DEVEL" | |
1788 | # endif | |
417cd4a8 SP |
1789 | # ifdef PERL_USE_SAFE_PUTENV |
1790 | " PERL_USE_SAFE_PUTENV" | |
1791 | # endif | |
20ef40cf | 1792 | # ifdef USE_SITECUSTOMIZE |
e2e4dbf1 | 1793 | " USE_SITECUSTOMIZE" |
20ef40cf | 1794 | # endif |
e187df3b NC |
1795 | # ifdef USE_FAST_STDIO |
1796 | " USE_FAST_STDIO" | |
1797 | # endif | |
389d73ad | 1798 | , 0); |
efcaa95b | 1799 | |
b75885fd | 1800 | sv_catpv(opts_prog, PL_bincompat_options); |
389d73ad NC |
1801 | /* Terminate the qw(, and then wrap at 76 columns. */ |
1802 | sv_catpvs(opts_prog, "); s/(?=.{53})(.{1,53}) /$1\\n /mg;print Config::myconfig(),"); | |
1803 | #ifdef VMS | |
1804 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this PERLSHR image: \\n"); | |
1805 | #else | |
1806 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this binary (from libperl): \\n"); | |
1807 | #endif | |
389d73ad | 1808 | sv_catpvs(opts_prog," Compile-time options: $_\\n\","); |
b363f7ed | 1809 | |
6224f72b | 1810 | #if defined(LOCAL_PATCH_COUNT) |
7edfd0ef NC |
1811 | if (LOCAL_PATCH_COUNT > 0) { |
1812 | int i; | |
396482e1 | 1813 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1814 | "\" Locally applied patches:\\n\","); |
1815 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
1816 | if (PL_localpatches[i]) | |
46807d8e YO |
1817 | Perl_sv_catpvf(aTHX_ opts_prog,"q%c\t%s\n%c,", |
1818 | 0, PL_localpatches[i], 0); | |
7edfd0ef | 1819 | } |
6224f72b | 1820 | } |
6224f72b | 1821 | #endif |
7edfd0ef | 1822 | Perl_sv_catpvf(aTHX_ opts_prog, |
758ce194 | 1823 | "\" Built under %s\\n",OSNAME); |
6224f72b GS |
1824 | #ifdef __DATE__ |
1825 | # ifdef __TIME__ | |
895aa832 NC |
1826 | sv_catpvs(opts_prog, |
1827 | " Compiled at " __DATE__ " " __TIME__ "\\n\""); | |
6224f72b | 1828 | # else |
895aa832 | 1829 | sv_catpvs(opts_prog, " Compiled on " __DATE__ "\\n\""); |
6224f72b GS |
1830 | # endif |
1831 | #endif | |
396482e1 | 1832 | sv_catpvs(opts_prog, "; $\"=\"\\n \"; " |
7edfd0ef NC |
1833 | "@env = map { \"$_=\\\"$ENV{$_}\\\"\" } " |
1834 | "sort grep {/^PERL/} keys %ENV; "); | |
69fcd688 | 1835 | #ifdef __CYGWIN__ |
396482e1 | 1836 | sv_catpvs(opts_prog, |
7edfd0ef | 1837 | "push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); |
69fcd688 | 1838 | #endif |
396482e1 | 1839 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1840 | "print \" \\%ENV:\\n @env\\n\" if @env;" |
1841 | "print \" \\@INC:\\n @INC\\n\";"); | |
1842 | } | |
1843 | else { | |
1844 | ++s; | |
1845 | opts_prog = Perl_newSVpvf(aTHX_ | |
1846 | "Config::config_vars(qw%c%s%c)", | |
1847 | 0, s, 0); | |
1848 | s += strlen(s); | |
1849 | } | |
1850 | av_push(PL_preambleav, opts_prog); | |
1851 | /* don't look for script or read stdin */ | |
1852 | scriptname = BIT_BUCKET; | |
1853 | goto reswitch; | |
6224f72b | 1854 | } |
6224f72b | 1855 | case 'x': |
3280af22 | 1856 | PL_doextract = TRUE; |
6224f72b | 1857 | s++; |
304334da | 1858 | if (*s) |
f4c556ac | 1859 | cddir = s; |
6224f72b GS |
1860 | break; |
1861 | case 0: | |
1862 | break; | |
1863 | case '-': | |
1864 | if (!*++s || isSPACE(*s)) { | |
1865 | argc--,argv++; | |
1866 | goto switch_end; | |
1867 | } | |
1868 | /* catch use of gnu style long options */ | |
1869 | if (strEQ(s, "version")) { | |
dd374669 | 1870 | s = (char *)"v"; |
6224f72b GS |
1871 | goto reswitch; |
1872 | } | |
1873 | if (strEQ(s, "help")) { | |
dd374669 | 1874 | s = (char *)"h"; |
6224f72b GS |
1875 | goto reswitch; |
1876 | } | |
1877 | s--; | |
1878 | /* FALL THROUGH */ | |
1879 | default: | |
cea2e8a9 | 1880 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1881 | } |
1882 | } | |
c7030b81 NC |
1883 | } |
1884 | ||
6224f72b | 1885 | switch_end: |
54310121 | 1886 | |
c7030b81 NC |
1887 | { |
1888 | char *s; | |
1889 | ||
f675dbe5 CB |
1890 | if ( |
1891 | #ifndef SECURE_INTERNAL_GETENV | |
1892 | !PL_tainting && | |
1893 | #endif | |
cf756827 | 1894 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1895 | { |
74288ac8 GS |
1896 | while (isSPACE(*s)) |
1897 | s++; | |
317ea90d | 1898 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1899 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1900 | PL_tainting = TRUE; |
317ea90d MS |
1901 | PL_taint_warn = FALSE; |
1902 | } | |
74288ac8 | 1903 | else { |
bd61b366 | 1904 | char *popt_copy = NULL; |
74288ac8 | 1905 | while (s && *s) { |
54913509 | 1906 | const char *d; |
74288ac8 GS |
1907 | while (isSPACE(*s)) |
1908 | s++; | |
1909 | if (*s == '-') { | |
1910 | s++; | |
1911 | if (isSPACE(*s)) | |
1912 | continue; | |
1913 | } | |
4ea8f8fb | 1914 | d = s; |
74288ac8 GS |
1915 | if (!*s) |
1916 | break; | |
2b622f1a | 1917 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 1918 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1919 | while (++s && *s) { |
1920 | if (isSPACE(*s)) { | |
cf756827 | 1921 | if (!popt_copy) { |
bfa6c418 NC |
1922 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
1923 | s = popt_copy + (s - d); | |
1924 | d = popt_copy; | |
cf756827 | 1925 | } |
4ea8f8fb MS |
1926 | *s++ = '\0'; |
1927 | break; | |
1928 | } | |
1929 | } | |
1c4db469 | 1930 | if (*d == 't') { |
317ea90d MS |
1931 | if( !PL_tainting ) { |
1932 | PL_taint_warn = TRUE; | |
1933 | PL_tainting = TRUE; | |
1934 | } | |
1c4db469 | 1935 | } else { |
97bd5664 | 1936 | moreswitches(d); |
1c4db469 | 1937 | } |
6224f72b | 1938 | } |
6224f72b GS |
1939 | } |
1940 | } | |
c7030b81 | 1941 | } |
a0d0e21e | 1942 | |
87e06404 | 1943 | #if defined(USE_SITECUSTOMIZE) && !defined(PERL_IS_MINIPERL) |
20ef40cf | 1944 | if (!minus_f) { |
404ad9dc NC |
1945 | /* SITELIB_EXP is a function call on Win32. |
1946 | The games with local $! are to avoid setting errno if there is no | |
1947 | sitecustomize script. */ | |
1948 | const char *const sitelib = SITELIB_EXP; | |
29a861e7 | 1949 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
404ad9dc NC |
1950 | Perl_newSVpvf(aTHX_ |
1951 | "BEGIN { do {local $!; -f '%s/sitecustomize.pl'} && do '%s/sitecustomize.pl' }", sitelib, sitelib)); | |
20ef40cf GA |
1952 | } |
1953 | #endif | |
1954 | ||
6224f72b GS |
1955 | if (!scriptname) |
1956 | scriptname = argv[0]; | |
3280af22 | 1957 | if (PL_e_script) { |
6224f72b GS |
1958 | argc++,argv--; |
1959 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1960 | } | |
bd61b366 | 1961 | else if (scriptname == NULL) { |
6224f72b GS |
1962 | #ifdef MSDOS |
1963 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 1964 | moreswitches("h"); |
6224f72b GS |
1965 | #endif |
1966 | scriptname = "-"; | |
1967 | } | |
1968 | ||
b7975bdd NC |
1969 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
1970 | assert (!PL_tainted); | |
1971 | TAINT; | |
1972 | S_set_caret_X(aTHX); | |
1973 | TAINT_NOT; | |
2cace6ac | 1974 | init_perllib(); |
6224f72b | 1975 | |
a52eba0e | 1976 | { |
f20b2998 | 1977 | bool suidscript = FALSE; |
829372d3 | 1978 | |
cc69b689 | 1979 | open_script(scriptname, dosearch, &suidscript, &rsfp); |
6224f72b | 1980 | |
2f9285f8 | 1981 | validate_suid(validarg, scriptname, fdscript, suidscript, |
cc69b689 | 1982 | linestr_sv, rsfp); |
6224f72b | 1983 | |
64ca3a65 | 1984 | #ifndef PERL_MICRO |
a52eba0e NC |
1985 | # if defined(SIGCHLD) || defined(SIGCLD) |
1986 | { | |
1987 | # ifndef SIGCHLD | |
1988 | # define SIGCHLD SIGCLD | |
1989 | # endif | |
1990 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1991 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
1992 | if (ckWARN(WARN_SIGNAL)) | |
1993 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), | |
1994 | "Can't ignore signal CHLD, forcing to default"); | |
1995 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1996 | } | |
0b5b802d | 1997 | } |
a52eba0e | 1998 | # endif |
64ca3a65 | 1999 | #endif |
0b5b802d | 2000 | |
e37778c2 | 2001 | if (PL_doextract) { |
faef540c | 2002 | |
f20b2998 | 2003 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2004 | setuid scripts. */ |
2005 | forbid_setid('x', suidscript); | |
f20b2998 | 2006 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2007 | |
2f9285f8 | 2008 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2009 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2010 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2011 | } | |
f4c556ac | 2012 | } |
6224f72b | 2013 | |
ea726b52 | 2014 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2015 | CvUNIQUE_on(PL_compcv); |
2016 | ||
dd2155a4 | 2017 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2018 | |
dd69841b BB |
2019 | PL_isarev = newHV(); |
2020 | ||
0c4f7ff0 | 2021 | boot_core_PerlIO(); |
6224f72b | 2022 | boot_core_UNIVERSAL(); |
e1a479c5 | 2023 | boot_core_mro(); |
6224f72b GS |
2024 | |
2025 | if (xsinit) | |
acfe0abc | 2026 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2027 | #ifndef PERL_MICRO |
d0d72822 | 2028 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) || defined(SYMBIAN) |
c5be433b | 2029 | init_os_extras(); |
6224f72b | 2030 | #endif |
64ca3a65 | 2031 | #endif |
6224f72b | 2032 | |
29209bc5 | 2033 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2034 | # ifdef HAS_SOCKS5_INIT |
2035 | socks5_init(argv[0]); | |
2036 | # else | |
29209bc5 | 2037 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2038 | # endif |
ac27b0f5 | 2039 | #endif |
29209bc5 | 2040 | |
6224f72b GS |
2041 | init_predump_symbols(); |
2042 | /* init_postdump_symbols not currently designed to be called */ | |
2043 | /* more than once (ENV isn't cleared first, for example) */ | |
2044 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2045 | if (!PL_do_undump) |
6224f72b GS |
2046 | init_postdump_symbols(argc,argv,env); |
2047 | ||
27da23d5 JH |
2048 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2049 | * or explicitly in some platforms. | |
085a54d9 | 2050 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2051 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2052 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2053 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2054 | #endif | |
06e66572 JH |
2055 | if (PL_unicode) { |
2056 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2057 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2058 | IO* io; |
2059 | PerlIO* fp; | |
2060 | SV* sv; | |
2061 | ||
a05d7ebb | 2062 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2063 | * and the default open disciplines. */ |
a05d7ebb JH |
2064 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2065 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2066 | (fp = IoIFP(io))) | |
2067 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2068 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2069 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2070 | (fp = IoOFP(io))) | |
2071 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2072 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2073 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2074 | (fp = IoOFP(io))) | |
2075 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2076 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2077 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2078 | SVt_PV)))) { | |
a05d7ebb JH |
2079 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2080 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2081 | if (in) { | |
2082 | if (out) | |
76f68e9b | 2083 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2084 | else |
76f68e9b | 2085 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2086 | } |
2087 | else if (out) | |
76f68e9b | 2088 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2089 | SvSETMAGIC(sv); |
2090 | } | |
b310b053 JH |
2091 | } |
2092 | } | |
2093 | ||
c7030b81 NC |
2094 | { |
2095 | const char *s; | |
4ffa73a3 JH |
2096 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2097 | if (strEQ(s, "unsafe")) | |
2098 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2099 | else if (strEQ(s, "safe")) | |
2100 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2101 | else | |
2102 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2103 | } | |
c7030b81 | 2104 | } |
4ffa73a3 | 2105 | |
81d86705 | 2106 | #ifdef PERL_MAD |
c7030b81 NC |
2107 | { |
2108 | const char *s; | |
81d86705 NC |
2109 | if ((s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
2110 | PL_madskills = 1; | |
2111 | PL_minus_c = 1; | |
2112 | if (!s || !s[0]) | |
2113 | PL_xmlfp = PerlIO_stdout(); | |
2114 | else { | |
2115 | PL_xmlfp = PerlIO_open(s, "w"); | |
2116 | if (!PL_xmlfp) | |
2117 | Perl_croak(aTHX_ "Can't open %s", s); | |
2118 | } | |
1a9a51d4 | 2119 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2120 | } |
c7030b81 NC |
2121 | } |
2122 | ||
2123 | { | |
2124 | const char *s; | |
81d86705 NC |
2125 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2126 | PL_madskills = atoi(s); | |
1a9a51d4 | 2127 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2128 | } |
c7030b81 | 2129 | } |
81d86705 NC |
2130 | #endif |
2131 | ||
5486870f | 2132 | lex_start(linestr_sv, rsfp, TRUE); |
219f7226 | 2133 | PL_subname = newSVpvs("main"); |
6224f72b | 2134 | |
5486870f DM |
2135 | if (add_read_e_script) |
2136 | filter_add(read_e_script, NULL); | |
2137 | ||
6224f72b GS |
2138 | /* now parse the script */ |
2139 | ||
93189314 | 2140 | SETERRNO(0,SS_NORMAL); |
13765c85 | 2141 | if (yyparse() || PL_parser->error_count) { |
3280af22 | 2142 | if (PL_minus_c) |
cea2e8a9 | 2143 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2144 | else { |
cea2e8a9 | 2145 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2146 | PL_origfilename); |
6224f72b GS |
2147 | } |
2148 | } | |
57843af0 | 2149 | CopLINE_set(PL_curcop, 0); |
3280af22 | 2150 | PL_curstash = PL_defstash; |
3280af22 NIS |
2151 | if (PL_e_script) { |
2152 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2153 | PL_e_script = NULL; |
6224f72b GS |
2154 | } |
2155 | ||
3280af22 | 2156 | if (PL_do_undump) |
6224f72b GS |
2157 | my_unexec(); |
2158 | ||
57843af0 GS |
2159 | if (isWARN_ONCE) { |
2160 | SAVECOPFILE(PL_curcop); | |
2161 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2162 | gv_check(PL_defstash); |
57843af0 | 2163 | } |
6224f72b GS |
2164 | |
2165 | LEAVE; | |
2166 | FREETMPS; | |
2167 | ||
2168 | #ifdef MYMALLOC | |
f6a607bc RGS |
2169 | { |
2170 | const char *s; | |
6224f72b GS |
2171 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2172 | dump_mstats("after compilation:"); | |
f6a607bc | 2173 | } |
6224f72b GS |
2174 | #endif |
2175 | ||
2176 | ENTER; | |
3280af22 | 2177 | PL_restartop = 0; |
312caa8e | 2178 | return NULL; |
6224f72b GS |
2179 | } |
2180 | ||
954c1994 GS |
2181 | /* |
2182 | =for apidoc perl_run | |
2183 | ||
2184 | Tells a Perl interpreter to run. See L<perlembed>. | |
2185 | ||
2186 | =cut | |
2187 | */ | |
2188 | ||
6224f72b | 2189 | int |
0cb96387 | 2190 | perl_run(pTHXx) |
6224f72b | 2191 | { |
97aff369 | 2192 | dVAR; |
6224f72b | 2193 | I32 oldscope; |
14dd3ad8 | 2194 | int ret = 0; |
db36c5a1 | 2195 | dJMPENV; |
6224f72b | 2196 | |
7918f24d NC |
2197 | PERL_ARGS_ASSERT_PERL_RUN; |
2198 | #ifndef MULTIPLICITY | |
ed6c66dd | 2199 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2200 | #endif |
9d4ba2ae | 2201 | |
3280af22 | 2202 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2203 | #ifdef VMS |
2204 | VMSISH_HUSHED = 0; | |
2205 | #endif | |
6224f72b | 2206 | |
14dd3ad8 | 2207 | JMPENV_PUSH(ret); |
6224f72b GS |
2208 | switch (ret) { |
2209 | case 1: | |
2210 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2211 | goto redo_body; |
14dd3ad8 | 2212 | case 0: /* normal completion */ |
14dd3ad8 GS |
2213 | redo_body: |
2214 | run_body(oldscope); | |
14dd3ad8 GS |
2215 | /* FALL THROUGH */ |
2216 | case 2: /* my_exit() */ | |
3280af22 | 2217 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2218 | LEAVE; |
2219 | FREETMPS; | |
3280af22 | 2220 | PL_curstash = PL_defstash; |
3a1ee7e8 | 2221 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
2222 | PL_endav && !PL_minus_c) |
2223 | call_list(oldscope, PL_endav); | |
6224f72b GS |
2224 | #ifdef MYMALLOC |
2225 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2226 | dump_mstats("after execution: "); | |
2227 | #endif | |
37038d91 | 2228 | ret = STATUS_EXIT; |
14dd3ad8 | 2229 | break; |
6224f72b | 2230 | case 3: |
312caa8e CS |
2231 | if (PL_restartop) { |
2232 | POPSTACK_TO(PL_mainstack); | |
2233 | goto redo_body; | |
6224f72b | 2234 | } |
bf49b057 | 2235 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 2236 | FREETMPS; |
14dd3ad8 GS |
2237 | ret = 1; |
2238 | break; | |
6224f72b GS |
2239 | } |
2240 | ||
14dd3ad8 GS |
2241 | JMPENV_POP; |
2242 | return ret; | |
312caa8e CS |
2243 | } |
2244 | ||
dd374669 | 2245 | STATIC void |
14dd3ad8 GS |
2246 | S_run_body(pTHX_ I32 oldscope) |
2247 | { | |
97aff369 | 2248 | dVAR; |
6224f72b | 2249 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2250 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2251 | |
3280af22 | 2252 | if (!PL_restartop) { |
81d86705 NC |
2253 | #ifdef PERL_MAD |
2254 | if (PL_xmlfp) { | |
2255 | xmldump_all(); | |
2256 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2257 | } | |
2258 | #endif | |
cf2782cd | 2259 | #ifdef DEBUGGING |
f0e3f042 CS |
2260 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2261 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2262 | if (!DEBUG_q_TEST) |
2263 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2264 | #endif |
6224f72b | 2265 | |
3280af22 | 2266 | if (PL_minus_c) { |
bf49b057 | 2267 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2268 | my_exit(0); |
2269 | } | |
3280af22 | 2270 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2271 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
2272 | if (PL_initav) |
2273 | call_list(oldscope, PL_initav); | |
f1fac472 NC |
2274 | #ifdef PERL_DEBUG_READONLY_OPS |
2275 | Perl_pending_Slabs_to_ro(aTHX); | |
2276 | #endif | |
6224f72b GS |
2277 | } |
2278 | ||
2279 | /* do it */ | |
2280 | ||
3280af22 | 2281 | if (PL_restartop) { |
533c011a | 2282 | PL_op = PL_restartop; |
3280af22 | 2283 | PL_restartop = 0; |
cea2e8a9 | 2284 | CALLRUNOPS(aTHX); |
6224f72b | 2285 | } |
3280af22 NIS |
2286 | else if (PL_main_start) { |
2287 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2288 | PL_op = PL_main_start; |
cea2e8a9 | 2289 | CALLRUNOPS(aTHX); |
6224f72b | 2290 | } |
f6b3007c JH |
2291 | my_exit(0); |
2292 | /* NOTREACHED */ | |
6224f72b GS |
2293 | } |
2294 | ||
954c1994 | 2295 | /* |
ccfc67b7 JH |
2296 | =head1 SV Manipulation Functions |
2297 | ||
954c1994 GS |
2298 | =for apidoc p||get_sv |
2299 | ||
64ace3f8 NC |
2300 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2301 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2302 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2303 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2304 | |
2305 | =cut | |
2306 | */ | |
2307 | ||
6224f72b | 2308 | SV* |
64ace3f8 | 2309 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2310 | { |
2311 | GV *gv; | |
7918f24d NC |
2312 | |
2313 | PERL_ARGS_ASSERT_GET_SV; | |
2314 | ||
64ace3f8 | 2315 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2316 | if (gv) |
2317 | return GvSV(gv); | |
a0714e2c | 2318 | return NULL; |
6224f72b GS |
2319 | } |
2320 | ||
954c1994 | 2321 | /* |
ccfc67b7 JH |
2322 | =head1 Array Manipulation Functions |
2323 | ||
954c1994 GS |
2324 | =for apidoc p||get_av |
2325 | ||
cbfd0a87 NC |
2326 | Returns the AV of the specified Perl array. 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 | AV* |
cbfd0a87 | 2335 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2336 | { |
cbfd0a87 | 2337 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2338 | |
2339 | PERL_ARGS_ASSERT_GET_AV; | |
2340 | ||
cbfd0a87 | 2341 | if (flags) |
6224f72b GS |
2342 | return GvAVn(gv); |
2343 | if (gv) | |
2344 | return GvAV(gv); | |
7d49f689 | 2345 | return NULL; |
6224f72b GS |
2346 | } |
2347 | ||
954c1994 | 2348 | /* |
ccfc67b7 JH |
2349 | =head1 Hash Manipulation Functions |
2350 | ||
954c1994 GS |
2351 | =for apidoc p||get_hv |
2352 | ||
6673a63c NC |
2353 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2354 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2355 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2356 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2357 | |
2358 | =cut | |
2359 | */ | |
2360 | ||
6224f72b | 2361 | HV* |
6673a63c | 2362 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2363 | { |
6673a63c | 2364 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2365 | |
2366 | PERL_ARGS_ASSERT_GET_HV; | |
2367 | ||
6673a63c | 2368 | if (flags) |
a0d0e21e LW |
2369 | return GvHVn(gv); |
2370 | if (gv) | |
2371 | return GvHV(gv); | |
5c284bb0 | 2372 | return NULL; |
a0d0e21e LW |
2373 | } |
2374 | ||
954c1994 | 2375 | /* |
ccfc67b7 JH |
2376 | =head1 CV Manipulation Functions |
2377 | ||
780a5241 NC |
2378 | =for apidoc p||get_cvn_flags |
2379 | ||
2380 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2381 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2382 | exist then it will be declared (which has the same effect as saying | |
2383 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2384 | then NULL is returned. | |
2385 | ||
954c1994 GS |
2386 | =for apidoc p||get_cv |
2387 | ||
780a5241 | 2388 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2389 | |
2390 | =cut | |
2391 | */ | |
2392 | ||
a0d0e21e | 2393 | CV* |
780a5241 | 2394 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2395 | { |
780a5241 | 2396 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
f6ec51f7 GS |
2397 | /* XXX this is probably not what they think they're getting. |
2398 | * It has the same effect as "sub name;", i.e. just a forward | |
2399 | * declaration! */ | |
7918f24d NC |
2400 | |
2401 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2402 | ||
780a5241 | 2403 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
740cce10 | 2404 | SV *const sv = newSVpvn_flags(name, len, flags & SVf_UTF8); |
774d564b | 2405 | return newSUB(start_subparse(FALSE, 0), |
780a5241 | 2406 | newSVOP(OP_CONST, 0, sv), |
5f66b61c | 2407 | NULL, NULL); |
780a5241 | 2408 | } |
a0d0e21e | 2409 | if (gv) |
8ebc5c01 | 2410 | return GvCVu(gv); |
601f1833 | 2411 | return NULL; |
a0d0e21e LW |
2412 | } |
2413 | ||
2c67934f NC |
2414 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2415 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2416 | CV* |
2417 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2418 | { | |
7918f24d NC |
2419 | PERL_ARGS_ASSERT_GET_CV; |
2420 | ||
780a5241 NC |
2421 | return get_cvn_flags(name, strlen(name), flags); |
2422 | } | |
2423 | ||
79072805 LW |
2424 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2425 | ||
954c1994 | 2426 | /* |
ccfc67b7 JH |
2427 | |
2428 | =head1 Callback Functions | |
2429 | ||
954c1994 GS |
2430 | =for apidoc p||call_argv |
2431 | ||
2432 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2433 | ||
2434 | =cut | |
2435 | */ | |
2436 | ||
a0d0e21e | 2437 | I32 |
8f42b153 | 2438 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2439 | |
8ac85365 NIS |
2440 | /* See G_* flags in cop.h */ |
2441 | /* null terminated arg list */ | |
8990e307 | 2442 | { |
97aff369 | 2443 | dVAR; |
a0d0e21e | 2444 | dSP; |
8990e307 | 2445 | |
7918f24d NC |
2446 | PERL_ARGS_ASSERT_CALL_ARGV; |
2447 | ||
924508f0 | 2448 | PUSHMARK(SP); |
a0d0e21e | 2449 | if (argv) { |
8990e307 | 2450 | while (*argv) { |
6e449a3a | 2451 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2452 | argv++; |
2453 | } | |
a0d0e21e | 2454 | PUTBACK; |
8990e307 | 2455 | } |
864dbfa3 | 2456 | return call_pv(sub_name, flags); |
8990e307 LW |
2457 | } |
2458 | ||
954c1994 GS |
2459 | /* |
2460 | =for apidoc p||call_pv | |
2461 | ||
2462 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2463 | ||
2464 | =cut | |
2465 | */ | |
2466 | ||
a0d0e21e | 2467 | I32 |
864dbfa3 | 2468 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2469 | /* name of the subroutine */ |
2470 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2471 | { |
7918f24d NC |
2472 | PERL_ARGS_ASSERT_CALL_PV; |
2473 | ||
0da0e728 | 2474 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2475 | } |
2476 | ||
954c1994 GS |
2477 | /* |
2478 | =for apidoc p||call_method | |
2479 | ||
2480 | Performs a callback to the specified Perl method. The blessed object must | |
2481 | be on the stack. See L<perlcall>. | |
2482 | ||
2483 | =cut | |
2484 | */ | |
2485 | ||
a0d0e21e | 2486 | I32 |
864dbfa3 | 2487 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2488 | /* name of the subroutine */ |
2489 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2490 | { |
46ca9bac | 2491 | STRLEN len; |
7918f24d NC |
2492 | PERL_ARGS_ASSERT_CALL_METHOD; |
2493 | ||
46ca9bac GF |
2494 | len = strlen(methname); |
2495 | ||
2496 | /* XXX: sv_2mortal(newSVpvn_share(methname, len)) can be faster */ | |
2497 | return call_sv(newSVpvn_flags(methname, len, SVs_TEMP), flags | G_METHOD); | |
a0d0e21e LW |
2498 | } |
2499 | ||
2500 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2501 | /* |
2502 | =for apidoc p||call_sv | |
2503 | ||
2504 | Performs a callback to the Perl sub whose name is in the SV. See | |
2505 | L<perlcall>. | |
2506 | ||
2507 | =cut | |
2508 | */ | |
2509 | ||
a0d0e21e | 2510 | I32 |
001d637e | 2511 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2512 | /* See G_* flags in cop.h */ |
a0d0e21e | 2513 | { |
27da23d5 | 2514 | dVAR; dSP; |
a0d0e21e | 2515 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2516 | UNOP method_op; |
aa689395 | 2517 | I32 oldmark; |
8ea43dc8 | 2518 | VOL I32 retval = 0; |
a0d0e21e | 2519 | I32 oldscope; |
54310121 | 2520 | bool oldcatch = CATCH_GET; |
6224f72b | 2521 | int ret; |
c4420975 | 2522 | OP* const oldop = PL_op; |
db36c5a1 | 2523 | dJMPENV; |
1e422769 | 2524 | |
7918f24d NC |
2525 | PERL_ARGS_ASSERT_CALL_SV; |
2526 | ||
a0d0e21e LW |
2527 | if (flags & G_DISCARD) { |
2528 | ENTER; | |
2529 | SAVETMPS; | |
2530 | } | |
2f8edad0 NC |
2531 | if (!(flags & G_WANT)) { |
2532 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2533 | */ | |
2534 | flags |= G_SCALAR; | |
2535 | } | |
a0d0e21e | 2536 | |
aa689395 | 2537 | Zero(&myop, 1, LOGOP); |
5f66b61c | 2538 | myop.op_next = NULL; |
f51d4af5 | 2539 | if (!(flags & G_NOARGS)) |
aa689395 | 2540 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2541 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2542 | SAVEOP(); |
533c011a | 2543 | PL_op = (OP*)&myop; |
aa689395 | 2544 | |
3280af22 NIS |
2545 | EXTEND(PL_stack_sp, 1); |
2546 | *++PL_stack_sp = sv; | |
aa689395 | 2547 | oldmark = TOPMARK; |
3280af22 | 2548 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2549 | |
3280af22 | 2550 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2551 | /* Handle first BEGIN of -d. */ |
3280af22 | 2552 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2553 | /* Try harder, since this may have been a sighandler, thus |
2554 | * curstash may be meaningless. */ | |
ea726b52 | 2555 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2556 | && !(flags & G_NODEBUG)) |
533c011a | 2557 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2558 | |
968b3946 GS |
2559 | if (flags & G_METHOD) { |
2560 | Zero(&method_op, 1, UNOP); | |
2561 | method_op.op_next = PL_op; | |
2562 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
377b1098 | 2563 | method_op.op_type = OP_METHOD; |
968b3946 | 2564 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
377b1098 | 2565 | myop.op_type = OP_ENTERSUB; |
f39d0b86 | 2566 | PL_op = (OP*)&method_op; |
968b3946 GS |
2567 | } |
2568 | ||
312caa8e | 2569 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2570 | CATCH_SET(TRUE); |
d6f07c05 | 2571 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2572 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2573 | CATCH_SET(oldcatch); |
312caa8e CS |
2574 | } |
2575 | else { | |
d78bda3d | 2576 | myop.op_other = (OP*)&myop; |
3280af22 | 2577 | PL_markstack_ptr--; |
edb2152a | 2578 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2579 | PL_markstack_ptr++; |
a0d0e21e | 2580 | |
14dd3ad8 | 2581 | JMPENV_PUSH(ret); |
edb2152a | 2582 | |
6224f72b GS |
2583 | switch (ret) { |
2584 | case 0: | |
14dd3ad8 | 2585 | redo_body: |
d6f07c05 | 2586 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2587 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2588 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2589 | CLEAR_ERRSV(); |
8433848b | 2590 | } |
a0d0e21e | 2591 | break; |
6224f72b | 2592 | case 1: |
f86702cc | 2593 | STATUS_ALL_FAILURE; |
a0d0e21e | 2594 | /* FALL THROUGH */ |
6224f72b | 2595 | case 2: |
a0d0e21e | 2596 | /* my_exit() was called */ |
3280af22 | 2597 | PL_curstash = PL_defstash; |
a0d0e21e | 2598 | FREETMPS; |
14dd3ad8 | 2599 | JMPENV_POP; |
cc3604b1 | 2600 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2601 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2602 | my_exit_jump(); |
a0d0e21e | 2603 | /* NOTREACHED */ |
6224f72b | 2604 | case 3: |
3280af22 | 2605 | if (PL_restartop) { |
533c011a | 2606 | PL_op = PL_restartop; |
3280af22 | 2607 | PL_restartop = 0; |
312caa8e | 2608 | goto redo_body; |
a0d0e21e | 2609 | } |
3280af22 | 2610 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2611 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2612 | retval = 0; |
2613 | else { | |
2614 | retval = 1; | |
3280af22 | 2615 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2616 | } |
312caa8e | 2617 | break; |
a0d0e21e | 2618 | } |
a0d0e21e | 2619 | |
edb2152a NC |
2620 | if (PL_scopestack_ix > oldscope) |
2621 | delete_eval_scope(); | |
14dd3ad8 | 2622 | JMPENV_POP; |
a0d0e21e | 2623 | } |
1e422769 | 2624 | |
a0d0e21e | 2625 | if (flags & G_DISCARD) { |
3280af22 | 2626 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2627 | retval = 0; |
2628 | FREETMPS; | |
2629 | LEAVE; | |
2630 | } | |
533c011a | 2631 | PL_op = oldop; |
a0d0e21e LW |
2632 | return retval; |
2633 | } | |
2634 | ||
6e72f9df | 2635 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2636 | |
954c1994 GS |
2637 | /* |
2638 | =for apidoc p||eval_sv | |
2639 | ||
2640 | Tells Perl to C<eval> the string in the SV. | |
2641 | ||
2642 | =cut | |
2643 | */ | |
2644 | ||
a0d0e21e | 2645 | I32 |
864dbfa3 | 2646 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2647 | |
8ac85365 | 2648 | /* See G_* flags in cop.h */ |
a0d0e21e | 2649 | { |
97aff369 | 2650 | dVAR; |
924508f0 | 2651 | dSP; |
a0d0e21e | 2652 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2653 | VOL I32 oldmark = SP - PL_stack_base; |
2654 | VOL I32 retval = 0; | |
6224f72b | 2655 | int ret; |
c4420975 | 2656 | OP* const oldop = PL_op; |
db36c5a1 | 2657 | dJMPENV; |
84902520 | 2658 | |
7918f24d NC |
2659 | PERL_ARGS_ASSERT_EVAL_SV; |
2660 | ||
4633a7c4 LW |
2661 | if (flags & G_DISCARD) { |
2662 | ENTER; | |
2663 | SAVETMPS; | |
2664 | } | |
2665 | ||
462e5cf6 | 2666 | SAVEOP(); |
533c011a NIS |
2667 | PL_op = (OP*)&myop; |
2668 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2669 | EXTEND(PL_stack_sp, 1); |
2670 | *++PL_stack_sp = sv; | |
79072805 | 2671 | |
4633a7c4 LW |
2672 | if (!(flags & G_NOARGS)) |
2673 | myop.op_flags = OPf_STACKED; | |
5f66b61c | 2674 | myop.op_next = NULL; |
6e72f9df | 2675 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2676 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2677 | if (flags & G_KEEPERR) |
2678 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2679 | |
dedbcade DM |
2680 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2681 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2682 | TAINT_PROPER("eval_sv()"); | |
2683 | ||
14dd3ad8 | 2684 | JMPENV_PUSH(ret); |
6224f72b GS |
2685 | switch (ret) { |
2686 | case 0: | |
14dd3ad8 | 2687 | redo_body: |
d6f07c05 | 2688 | CALL_BODY_EVAL((OP*)&myop); |
312caa8e | 2689 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2690 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2691 | CLEAR_ERRSV(); |
8433848b | 2692 | } |
4633a7c4 | 2693 | break; |
6224f72b | 2694 | case 1: |
f86702cc | 2695 | STATUS_ALL_FAILURE; |
4633a7c4 | 2696 | /* FALL THROUGH */ |
6224f72b | 2697 | case 2: |
4633a7c4 | 2698 | /* my_exit() was called */ |
3280af22 | 2699 | PL_curstash = PL_defstash; |
4633a7c4 | 2700 | FREETMPS; |
14dd3ad8 | 2701 | JMPENV_POP; |
cc3604b1 | 2702 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2703 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2704 | my_exit_jump(); |
4633a7c4 | 2705 | /* NOTREACHED */ |
6224f72b | 2706 | case 3: |
3280af22 | 2707 | if (PL_restartop) { |
533c011a | 2708 | PL_op = PL_restartop; |
3280af22 | 2709 | PL_restartop = 0; |
312caa8e | 2710 | goto redo_body; |
4633a7c4 | 2711 | } |
3280af22 | 2712 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2713 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2714 | retval = 0; |
2715 | else { | |
2716 | retval = 1; | |
3280af22 | 2717 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2718 | } |
312caa8e | 2719 | break; |
4633a7c4 LW |
2720 | } |
2721 | ||
14dd3ad8 | 2722 | JMPENV_POP; |
4633a7c4 | 2723 | if (flags & G_DISCARD) { |
3280af22 | 2724 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2725 | retval = 0; |
2726 | FREETMPS; | |
2727 | LEAVE; | |
2728 | } | |
533c011a | 2729 | PL_op = oldop; |
4633a7c4 LW |
2730 | return retval; |
2731 | } | |
2732 | ||
954c1994 GS |
2733 | /* |
2734 | =for apidoc p||eval_pv | |
2735 | ||
2736 | Tells Perl to C<eval> the given string and return an SV* result. | |
2737 | ||
2738 | =cut | |
2739 | */ | |
2740 | ||
137443ea | 2741 | SV* |
864dbfa3 | 2742 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2743 | { |
97aff369 | 2744 | dVAR; |
137443ea | 2745 | dSP; |
2746 | SV* sv = newSVpv(p, 0); | |
2747 | ||
7918f24d NC |
2748 | PERL_ARGS_ASSERT_EVAL_PV; |
2749 | ||
864dbfa3 | 2750 | eval_sv(sv, G_SCALAR); |
137443ea | 2751 | SvREFCNT_dec(sv); |
2752 | ||
2753 | SPAGAIN; | |
2754 | sv = POPs; | |
2755 | PUTBACK; | |
2756 | ||
2d8e6c8d | 2757 | if (croak_on_error && SvTRUE(ERRSV)) { |
f1f66076 | 2758 | Perl_croak(aTHX_ "%s", SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2759 | } |
137443ea | 2760 | |
2761 | return sv; | |
2762 | } | |
2763 | ||
4633a7c4 LW |
2764 | /* Require a module. */ |
2765 | ||
954c1994 | 2766 | /* |
ccfc67b7 JH |
2767 | =head1 Embedding Functions |
2768 | ||
954c1994 GS |
2769 | =for apidoc p||require_pv |
2770 | ||
7d3fb230 BS |
2771 | Tells Perl to C<require> the file named by the string argument. It is |
2772 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2773 | implemented that way; consider using load_module instead. |
954c1994 | 2774 | |
7d3fb230 | 2775 | =cut */ |
954c1994 | 2776 | |
4633a7c4 | 2777 | void |
864dbfa3 | 2778 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2779 | { |
97aff369 | 2780 | dVAR; |
d3acc0f7 | 2781 | dSP; |
97aff369 | 2782 | SV* sv; |
7918f24d NC |
2783 | |
2784 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2785 | ||
e788e7d3 | 2786 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2787 | PUTBACK; |
be41e5d9 NC |
2788 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2789 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2790 | SPAGAIN; |
2791 | POPSTACK; | |
79072805 LW |
2792 | } |
2793 | ||
76e3520e | 2794 | STATIC void |
e1ec3a88 | 2795 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2796 | { |
ab821d7f | 2797 | /* This message really ought to be max 23 lines. |
75c72d73 | 2798 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2799 | |
27da23d5 | 2800 | static const char * const usage_msg[] = { |
aefc56c5 | 2801 | "-0[octal] specify record separator (\\0, if no argument)", |
aefc56c5 SF |
2802 | "-a autosplit mode with -n or -p (splits $_ into @F)", |
2803 | "-C[number/list] enables the listed Unicode features", | |
2804 | "-c check syntax only (runs BEGIN and CHECK blocks)", | |
2805 | "-d[:debugger] run program under debugger", | |
2806 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2807 | "-e program one line of program (several -e's allowed, omit programfile)", | |
bc9b29db | 2808 | "-E program like -e, but enables all optional features", |
aefc56c5 | 2809 | "-f don't do $sitelib/sitecustomize.pl at startup", |
aefc56c5 SF |
2810 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", |
2811 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2812 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
2813 | "-l[octal] enable line ending processing, specifies line terminator", | |
2814 | "-[mM][-]module execute \"use/no module...\" before executing program", | |
2815 | "-n assume \"while (<>) { ... }\" loop around program", | |
2816 | "-p assume loop like -n but print line also, like sed", | |
aefc56c5 SF |
2817 | "-s enable rudimentary parsing for switches after programfile", |
2818 | "-S look for programfile using PATH environment variable", | |
2819 | "-t enable tainting warnings", | |
2820 | "-T enable tainting checks", | |
2821 | "-u dump core after parsing program", | |
2822 | "-U allow unsafe operations", | |
2823 | "-v print version, subversion (includes VERY IMPORTANT perl info)", | |
2824 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2825 | "-w enable many useful warnings (RECOMMENDED)", | |
2826 | "-W enable all warnings", | |
2827 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
2828 | "-X disable all warnings", | |
fb73857a | 2829 | "\n", |
2830 | NULL | |
2831 | }; | |
27da23d5 | 2832 | const char * const *p = usage_msg; |
fb73857a | 2833 | |
7918f24d NC |
2834 | PERL_ARGS_ASSERT_USAGE; |
2835 | ||
b0e47665 GS |
2836 | PerlIO_printf(PerlIO_stdout(), |
2837 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2838 | name); | |
fb73857a | 2839 | while (*p) |
b0e47665 | 2840 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2841 | } |
2842 | ||
b4ab917c DM |
2843 | /* convert a string of -D options (or digits) into an int. |
2844 | * sets *s to point to the char after the options */ | |
2845 | ||
2846 | #ifdef DEBUGGING | |
2847 | int | |
e1ec3a88 | 2848 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2849 | { |
27da23d5 | 2850 | static const char * const usage_msgd[] = { |
e6e64d9b JC |
2851 | " Debugging flag values: (see also -d)", |
2852 | " p Tokenizing and parsing (with v, displays parse stack)", | |
3679267a | 2853 | " s Stack snapshots (with v, displays all stacks)", |
e6e64d9b JC |
2854 | " l Context (loop) stack processing", |
2855 | " t Trace execution", | |
2856 | " o Method and overloading resolution", | |
2857 | " c String/numeric conversions", | |
4c84d7f2 | 2858 | " P Print profiling info, source file input state", |
d7a2c63c | 2859 | " m Memory and SV allocation", |
e6e64d9b JC |
2860 | " f Format processing", |
2861 | " r Regular expression parsing and execution", | |
2862 | " x Syntax tree dump", | |
3679267a | 2863 | " u Tainting checks", |
e6e64d9b JC |
2864 | " H Hash dump -- usurps values()", |
2865 | " X Scratchpad allocation", | |
2866 | " D Cleaning up", | |
e6e64d9b JC |
2867 | " T Tokenising", |
2868 | " R Include reference counts of dumped variables (eg when using -Ds)", | |
2869 | " J Do not s,t,P-debug (Jump over) opcodes within package DB", | |
2870 | " v Verbose: use in conjunction with other flags", | |
2871 | " C Copy On Write", | |
2872 | " A Consistency checks on internal structures", | |
3679267a | 2873 | " q quiet - currently only suppresses the 'EXECUTING' message", |
d7c0d282 | 2874 | " M trace smart match resolution", |
cc8773c0 | 2875 | " B dump suBroutine definitions, including special Blocks like BEGIN", |
e6e64d9b JC |
2876 | NULL |
2877 | }; | |
b4ab917c | 2878 | int i = 0; |
7918f24d NC |
2879 | |
2880 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
2881 | ||
b4ab917c DM |
2882 | if (isALPHA(**s)) { |
2883 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 2884 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c DM |
2885 | |
2886 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 2887 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
2888 | if (d) |
2889 | i |= 1 << (d - debopts); | |
2890 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2891 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2892 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2893 | } |
2894 | } | |
e6e64d9b | 2895 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2896 | i = atoi(*s); |
2897 | for (; isALNUM(**s); (*s)++) ; | |
2898 | } | |
ddcf8bc1 | 2899 | else if (givehelp) { |
06e869a4 | 2900 | const char *const *p = usage_msgd; |
e6e64d9b JC |
2901 | while (*p) PerlIO_printf(PerlIO_stdout(), "%s\n", *p++); |
2902 | } | |
b4ab917c DM |
2903 | # ifdef EBCDIC |
2904 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2905 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2906 | "-Dp not implemented on this platform\n"); | |
2907 | # endif | |
2908 | return i; | |
2909 | } | |
2910 | #endif | |
2911 | ||
79072805 LW |
2912 | /* This routine handles any switches that can be given during run */ |
2913 | ||
c7030b81 NC |
2914 | const char * |
2915 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 2916 | { |
27da23d5 | 2917 | dVAR; |
84c133a0 | 2918 | UV rschar; |
0544e6df | 2919 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 2920 | |
7918f24d NC |
2921 | PERL_ARGS_ASSERT_MORESWITCHES; |
2922 | ||
79072805 LW |
2923 | switch (*s) { |
2924 | case '0': | |
a863c7d1 | 2925 | { |
f2095865 | 2926 | I32 flags = 0; |
a3b680e6 | 2927 | STRLEN numlen; |
f2095865 JH |
2928 | |
2929 | SvREFCNT_dec(PL_rs); | |
2930 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 2931 | const char *e = s+=2; |
f2095865 JH |
2932 | U8 *tmps; |
2933 | ||
a3b680e6 AL |
2934 | while (*e) |
2935 | e++; | |
f2095865 JH |
2936 | numlen = e - s; |
2937 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2938 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2939 | if (s + numlen < e) { | |
2940 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2941 | numlen = 0; | |
2942 | s--; | |
2943 | } | |
396482e1 | 2944 | PL_rs = newSVpvs(""); |
c5661c80 | 2945 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2946 | tmps = (U8*)SvPVX(PL_rs); |
2947 | uvchr_to_utf8(tmps, rschar); | |
2948 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
2949 | SvUTF8_on(PL_rs); | |
2950 | } | |
2951 | else { | |
2952 | numlen = 4; | |
2953 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
2954 | if (rschar & ~((U8)~0)) | |
2955 | PL_rs = &PL_sv_undef; | |
2956 | else if (!rschar && numlen >= 2) | |
396482e1 | 2957 | PL_rs = newSVpvs(""); |
f2095865 JH |
2958 | else { |
2959 | char ch = (char)rschar; | |
2960 | PL_rs = newSVpvn(&ch, 1); | |
2961 | } | |
2962 | } | |
64ace3f8 | 2963 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 2964 | return s + numlen; |
a863c7d1 | 2965 | } |
46487f74 | 2966 | case 'C': |
a05d7ebb | 2967 | s++; |
dd374669 | 2968 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
2969 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
2970 | PL_utf8cache = -1; | |
46487f74 | 2971 | return s; |
2304df62 | 2972 | case 'F': |
3280af22 | 2973 | PL_minus_F = TRUE; |
ebce5377 RGS |
2974 | PL_splitstr = ++s; |
2975 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 2976 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 2977 | return s; |
79072805 | 2978 | case 'a': |
3280af22 | 2979 | PL_minus_a = TRUE; |
79072805 LW |
2980 | s++; |
2981 | return s; | |
2982 | case 'c': | |
3280af22 | 2983 | PL_minus_c = TRUE; |
79072805 LW |
2984 | s++; |
2985 | return s; | |
2986 | case 'd': | |
f20b2998 | 2987 | forbid_setid('d', FALSE); |
4633a7c4 | 2988 | s++; |
2cbb2ee1 RGS |
2989 | |
2990 | /* -dt indicates to the debugger that threads will be used */ | |
2991 | if (*s == 't' && !isALNUM(s[1])) { | |
2992 | ++s; | |
2993 | my_setenv("PERL5DB_THREADED", "1"); | |
2994 | } | |
2995 | ||
70c94a19 RR |
2996 | /* The following permits -d:Mod to accepts arguments following an = |
2997 | in the fashion that -MSome::Mod does. */ | |
2998 | if (*s == ':' || *s == '=') { | |
f85893a1 NC |
2999 | const char *start = ++s; |
3000 | const char *const end = s + strlen(s); | |
396482e1 | 3001 | SV * const sv = newSVpvs("use Devel::"); |
f85893a1 | 3002 | |
70c94a19 RR |
3003 | /* We now allow -d:Module=Foo,Bar */ |
3004 | while(isALNUM(*s) || *s==':') ++s; | |
3005 | if (*s != '=') | |
f85893a1 | 3006 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3007 | else { |
3008 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3009 | /* Don't use NUL as q// delimiter here, this string goes in the |
3010 | * environment. */ | |
3011 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3012 | } |
f85893a1 | 3013 | s = end; |
184f32ec | 3014 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3015 | SvREFCNT_dec(sv); |
4633a7c4 | 3016 | } |
ed094faf | 3017 | if (!PL_perldb) { |
3280af22 | 3018 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3019 | init_debugger(); |
ed094faf | 3020 | } |
79072805 LW |
3021 | return s; |
3022 | case 'D': | |
0453d815 | 3023 | { |
79072805 | 3024 | #ifdef DEBUGGING |
f20b2998 | 3025 | forbid_setid('D', FALSE); |
b4ab917c | 3026 | s++; |
dd374669 | 3027 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3028 | #else /* !DEBUGGING */ |
0453d815 | 3029 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3030 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3031 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3032 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3033 | #endif |
79072805 | 3034 | return s; |
0453d815 | 3035 | } |
4633a7c4 | 3036 | case 'h': |
ac27b0f5 | 3037 | usage(PL_origargv[0]); |
7ca617d0 | 3038 | my_exit(0); |
79072805 | 3039 | case 'i': |
43c5f42d | 3040 | Safefree(PL_inplace); |
c030f24b GH |
3041 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3042 | if (*(s+1) == '\0') { | |
c86a4f2e | 3043 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3044 | return s+1; |
3045 | } | |
3046 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3047 | { |
d4c19fe8 | 3048 | const char * const start = ++s; |
5ef5d758 NC |
3049 | while (*s && !isSPACE(*s)) |
3050 | ++s; | |
3051 | ||
3052 | PL_inplace = savepvn(start, s - start); | |
3053 | } | |
7b8d334a | 3054 | if (*s) { |
5ef5d758 | 3055 | ++s; |
7b8d334a | 3056 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3057 | s++; |
7b8d334a | 3058 | } |
fb73857a | 3059 | return s; |
4e49a025 | 3060 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3061 | forbid_setid('I', FALSE); |
fb73857a | 3062 | ++s; |
3063 | while (*s && isSPACE(*s)) | |
3064 | ++s; | |
3065 | if (*s) { | |
c7030b81 | 3066 | const char *e, *p; |
0df16ed7 GS |
3067 | p = s; |
3068 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3069 | do { | |
3070 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3071 | p = e; | |
3072 | while (isSPACE(*p)) | |
3073 | p++; | |
3074 | } while (*p && *p != '-'); | |
55b4bc1c | 3075 | incpush(s, e-s, |
e28f3139 | 3076 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3077 | s = p; |
3078 | if (*s == '-') | |
3079 | s++; | |
79072805 LW |
3080 | } |
3081 | else | |
a67e862a | 3082 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3083 | return s; |
79072805 | 3084 | case 'l': |
3280af22 | 3085 | PL_minus_l = TRUE; |
79072805 | 3086 | s++; |
7889fe52 NIS |
3087 | if (PL_ors_sv) { |
3088 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3089 | PL_ors_sv = NULL; |
7889fe52 | 3090 | } |
79072805 | 3091 | if (isDIGIT(*s)) { |
53305cf1 | 3092 | I32 flags = 0; |
a3b680e6 | 3093 | STRLEN numlen; |
396482e1 | 3094 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3095 | numlen = 3 + (*s == '0'); |
3096 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3097 | s += numlen; |
3098 | } | |
3099 | else { | |
8bfdd7d9 | 3100 | if (RsPARA(PL_rs)) { |
396482e1 | 3101 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3102 | } |
3103 | else { | |
8bfdd7d9 | 3104 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3105 | } |
79072805 LW |
3106 | } |
3107 | return s; | |
1a30305b | 3108 | case 'M': |
f20b2998 | 3109 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3110 | /* FALL THROUGH */ |
3111 | case 'm': | |
f20b2998 | 3112 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3113 | if (*++s) { |
c7030b81 | 3114 | const char *start; |
b64cb68c | 3115 | const char *end; |
11343788 | 3116 | SV *sv; |
e1ec3a88 | 3117 | const char *use = "use "; |
0544e6df | 3118 | bool colon = FALSE; |
a5f75d66 | 3119 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3120 | /* Leading space on " no " is deliberate, to make both |
3121 | possibilities the same length. */ | |
3122 | if (*s == '-') { use = " no "; ++s; } | |
3123 | sv = newSVpvn(use,4); | |
a5f75d66 | 3124 | start = s; |
1a30305b | 3125 | /* We allow -M'Module qw(Foo Bar)' */ |
0544e6df RB |
3126 | while(isALNUM(*s) || *s==':') { |
3127 | if( *s++ == ':' ) { | |
3128 | if( *s == ':' ) | |
3129 | s++; | |
3130 | else | |
3131 | colon = TRUE; | |
3132 | } | |
3133 | } | |
3134 | if (s == start) | |
3135 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3136 | option); | |
3137 | if (colon) | |
3138 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3139 | "contains single ':'", | |
63da6837 | 3140 | (int)(s - start), start, option); |
b64cb68c | 3141 | end = s + strlen(s); |
c07a80fd | 3142 | if (*s != '=') { |
b64cb68c | 3143 | sv_catpvn(sv, start, end - start); |
0544e6df | 3144 | if (option == 'm') { |
c07a80fd | 3145 | if (*s != '\0') |
cea2e8a9 | 3146 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3147 | sv_catpvs( sv, " ()"); |
c07a80fd | 3148 | } |
3149 | } else { | |
11343788 | 3150 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3151 | /* Use NUL as q''-delimiter. */ |
3152 | sv_catpvs(sv, " split(/,/,q\0"); | |
3153 | ++s; | |
3154 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3155 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3156 | } |
b64cb68c | 3157 | s = end; |
29a861e7 | 3158 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3159 | } |
3160 | else | |
0544e6df | 3161 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3162 | return s; |
79072805 | 3163 | case 'n': |
3280af22 | 3164 | PL_minus_n = TRUE; |
79072805 LW |
3165 | s++; |
3166 | return s; | |
3167 | case 'p': | |
3280af22 | 3168 | PL_minus_p = TRUE; |
79072805 LW |
3169 | s++; |
3170 | return s; | |
3171 | case 's': | |
f20b2998 | 3172 | forbid_setid('s', FALSE); |
3280af22 | 3173 | PL_doswitches = TRUE; |
79072805 LW |
3174 | s++; |
3175 | return s; | |
6537fe72 MS |
3176 | case 't': |
3177 | if (!PL_tainting) | |
22f7c9c9 | 3178 | TOO_LATE_FOR('t'); |
6537fe72 MS |
3179 | s++; |
3180 | return s; | |
463ee0b2 | 3181 | case 'T': |
3280af22 | 3182 | if (!PL_tainting) |
22f7c9c9 | 3183 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
3184 | s++; |
3185 | return s; | |
79072805 | 3186 | case 'u': |
3280af22 | 3187 | PL_do_undump = TRUE; |
79072805 LW |
3188 | s++; |
3189 | return s; | |
3190 | case 'U': | |
3280af22 | 3191 | PL_unsafe = TRUE; |
79072805 LW |
3192 | s++; |
3193 | return s; | |
3194 | case 'v': | |
d7aa5382 | 3195 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3196 | upg_version(PL_patchlevel, TRUE); |
8e9464f1 | 3197 | #if !defined(DGUX) |
46807d8e YO |
3198 | { |
3199 | SV* level= vstringify(PL_patchlevel); | |
3200 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3201 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3202 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3203 | # else | |
3204 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3205 | # endif | |
46807d8e YO |
3206 | |
3207 | if (sv_len(num)>=sv_len(level) && strnEQ(SvPV_nolen(num),SvPV_nolen(level),sv_len(level))) { | |
3208 | SvREFCNT_dec(level); | |
3209 | level= num; | |
3210 | } else { | |
d0a9311f | 3211 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); |
46807d8e YO |
3212 | SvREFCNT_dec(num); |
3213 | } | |
3214 | #endif | |
3215 | PerlIO_printf(PerlIO_stdout(), | |
f1f66076 | 3216 | "\nThis is perl, %"SVf |
f1f66076 | 3217 | " built for %s", |
46807d8e | 3218 | level, |
f1f66076 | 3219 | ARCHNAME); |
46807d8e YO |
3220 | SvREFCNT_dec(level); |
3221 | } | |
8e9464f1 JH |
3222 | #else /* DGUX */ |
3223 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
3224 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 3225 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3226 | SVfARG(vstringify(PL_patchlevel)))); |
8e9464f1 JH |
3227 | PerlIO_printf(PerlIO_stdout(), |
3228 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
3229 | OSNAME, __DATE__, __TIME__)); | |
3230 | PerlIO_printf(PerlIO_stdout(), | |
3231 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 3232 | OSVERS)); |
8e9464f1 | 3233 | #endif /* !DGUX */ |
fb73857a | 3234 | #if defined(LOCAL_PATCH_COUNT) |
3235 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
3236 | PerlIO_printf(PerlIO_stdout(), |
3237 | "\n(with %d registered patch%s, " | |
3238 | "see perl -V for more detail)", | |
bb7a0f54 | 3239 | LOCAL_PATCH_COUNT, |
b0e47665 | 3240 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3241 | #endif |
1a30305b | 3242 | |
b0e47665 | 3243 | PerlIO_printf(PerlIO_stdout(), |
737f4459 | 3244 | "\n\nCopyright 1987-2009, Larry Wall\n"); |
79072805 | 3245 | #ifdef MSDOS |
b0e47665 GS |
3246 | PerlIO_printf(PerlIO_stdout(), |
3247 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 3248 | #endif |
3249 | #ifdef DJGPP | |
b0e47665 GS |
3250 | PerlIO_printf(PerlIO_stdout(), |
3251 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
3252 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3253 | #endif |
79072805 | 3254 | #ifdef OS2 |
b0e47665 GS |
3255 | PerlIO_printf(PerlIO_stdout(), |
3256 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 3257 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3258 | #endif |
79072805 | 3259 | #ifdef atarist |
b0e47665 GS |
3260 | PerlIO_printf(PerlIO_stdout(), |
3261 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3262 | #endif |
a3f9223b | 3263 | #ifdef __BEOS__ |
b0e47665 GS |
3264 | PerlIO_printf(PerlIO_stdout(), |
3265 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3266 | #endif |
1d84e8df | 3267 | #ifdef MPE |
b0e47665 | 3268 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3269 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3270 | #endif |
9d116dd7 | 3271 | #ifdef OEMVS |
b0e47665 GS |
3272 | PerlIO_printf(PerlIO_stdout(), |
3273 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3274 | #endif |
495c5fdc | 3275 | #ifdef __VOS__ |
b0e47665 | 3276 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3277 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3278 | #endif |
092bebab | 3279 | #ifdef __OPEN_VM |
b0e47665 GS |
3280 | PerlIO_printf(PerlIO_stdout(), |
3281 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3282 | #endif |
a1a0e61e | 3283 | #ifdef POSIX_BC |
b0e47665 GS |
3284 | PerlIO_printf(PerlIO_stdout(), |
3285 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3286 | #endif |
f83d2536 | 3287 | #ifdef EPOC |
b0e47665 | 3288 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3289 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3290 | #endif |
e1caacb4 | 3291 | #ifdef UNDER_CE |
b475b3e6 JH |
3292 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3293 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3294 | wce_hitreturn(); |
3295 | #endif | |
a0fd4948 | 3296 | #ifdef __SYMBIAN32__ |
27da23d5 JH |
3297 | PerlIO_printf(PerlIO_stdout(), |
3298 | "Symbian port by Nokia, 2004-2005\n"); | |
3299 | #endif | |
baed7233 DL |
3300 | #ifdef BINARY_BUILD_NOTICE |
3301 | BINARY_BUILD_NOTICE; | |
3302 | #endif | |
b0e47665 GS |
3303 | PerlIO_printf(PerlIO_stdout(), |
3304 | "\n\ | |
79072805 | 3305 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3306 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3307 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3308 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3309 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3310 | my_exit(0); |
79072805 | 3311 | case 'w': |
b2e5e6ba | 3312 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { |
ac27b0f5 | 3313 | PL_dowarn |= G_WARN_ON; |
b2e5e6ba | 3314 | } |
599cee73 PM |
3315 | s++; |
3316 | return s; | |
3317 | case 'W': | |
ac27b0f5 | 3318 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d | 3319 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3320 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3321 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3322 | s++; |
3323 | return s; | |
3324 | case 'X': | |
ac27b0f5 | 3325 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d | 3326 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3327 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3328 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3329 | s++; |
3330 | return s; | |
a0d0e21e | 3331 | case '*': |
79072805 | 3332 | case ' ': |
d3133c89 NC |
3333 | while( *s == ' ' ) |
3334 | ++s; | |
3335 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3336 | return s+1; | |
79072805 | 3337 | break; |
a0d0e21e | 3338 | case '-': |
79072805 | 3339 | case 0: |
51882d45 | 3340 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3341 | case '\r': |
3342 | #endif | |
79072805 LW |
3343 | case '\n': |
3344 | case '\t': | |
3345 | break; | |
aa689395 | 3346 | #ifdef ALTERNATE_SHEBANG |
3347 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3348 | break; | |
3349 | #endif | |
79072805 | 3350 | default: |
cea2e8a9 | 3351 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 | 3352 | } |
bd61b366 | 3353 | return NULL; |
79072805 LW |
3354 | } |
3355 | ||
3356 | /* compliments of Tom Christiansen */ | |
3357 | ||
3358 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3359 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3360 | |
3361 | void | |
864dbfa3 | 3362 | Perl_my_unexec(pTHX) |
79072805 | 3363 | { |
b37c2d43 | 3364 | PERL_UNUSED_CONTEXT; |
79072805 | 3365 | #ifdef UNEXEC |
b37c2d43 AL |
3366 | SV * prog = newSVpv(BIN_EXP, 0); |
3367 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3368 | int status = 1; |
79072805 LW |
3369 | extern int etext; |
3370 | ||
396482e1 | 3371 | sv_catpvs(prog, "/perl"); |
396482e1 | 3372 | sv_catpvs(file, ".perldump"); |
79072805 | 3373 | |
ee580363 GS |
3374 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3375 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3376 | PerlProc_exit(status); |
79072805 | 3377 | #else |
a5f75d66 AD |
3378 | # ifdef VMS |
3379 | # include <lib$routines.h> | |
3380 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
84d78eb7 YO |
3381 | # elif defined(WIN32) || defined(__CYGWIN__) |
3382 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3383 | # else |
79072805 | 3384 | ABORT(); /* for use with undump */ |
aa689395 | 3385 | # endif |
a5f75d66 | 3386 | #endif |
79072805 LW |
3387 | } |
3388 | ||
cb68f92d GS |
3389 | /* initialize curinterp */ |
3390 | STATIC void | |
cea2e8a9 | 3391 | S_init_interp(pTHX) |
cb68f92d | 3392 | { |
97aff369 | 3393 | dVAR; |
acfe0abc GS |
3394 | #ifdef MULTIPLICITY |
3395 | # define PERLVAR(var,type) | |
3396 | # define PERLVARA(var,n,type) | |
3397 | # if defined(PERL_IMPLICIT_CONTEXT) | |
b7f7fff6 NC |
3398 | # define PERLVARI(var,type,init) aTHX->var = init; |
3399 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
3967c732 | 3400 | # else |
acfe0abc GS |
3401 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
3402 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3403 | # endif |
acfe0abc | 3404 | # include "intrpvar.h" |
acfe0abc GS |
3405 | # undef PERLVAR |
3406 | # undef PERLVARA | |
3407 | # undef PERLVARI | |
3408 | # undef PERLVARIC | |
3409 | #else | |
3410 | # define PERLVAR(var,type) | |
3411 | # define PERLVARA(var,n,type) | |
3412 | # define PERLVARI(var,type,init) PL_##var = init; | |
3413 | # define PERLVARIC(var,type,init) PL_##var = init; | |
3414 | # include "intrpvar.h" | |
acfe0abc GS |
3415 | # undef PERLVAR |
3416 | # undef PERLVARA | |
3417 | # undef PERLVARI | |
3418 | # undef PERLVARIC | |
cb68f92d GS |
3419 | #endif |
3420 | ||
46ab3289 NC |
3421 | /* As these are inside a structure, PERLVARI isn't capable of initialising |
3422 | them */ | |
6c3f0a89 NC |
3423 | PL_reg_oldcurpm = PL_reg_curpm = NULL; |
3424 | PL_reg_poscache = PL_reg_starttry = NULL; | |
cb68f92d GS |
3425 | } |
3426 | ||
76e3520e | 3427 | STATIC void |
cea2e8a9 | 3428 | S_init_main_stash(pTHX) |
79072805 | 3429 | { |
97aff369 | 3430 | dVAR; |
463ee0b2 | 3431 | GV *gv; |
6e72f9df | 3432 | |
3280af22 | 3433 | PL_curstash = PL_defstash = newHV(); |
23579a14 NC |
3434 | /* We know that the string "main" will be in the global shared string |
3435 | table, so it's a small saving to use it rather than allocate another | |
3436 | 8 bytes. */ | |
18916d0d | 3437 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3438 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3439 | /* If we hadn't caused another reference to "main" to be in the shared |
3440 | string table above, then it would be worth reordering these two, | |
3441 | because otherwise all we do is delete "main" from it as a consequence | |
3442 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3443 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3444 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3445 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3446 | SvREADONLY_on(gv); |
fafc274c NC |
3447 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3448 | SVt_PVAV))); | |
5a5094bd | 3449 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3450 | GvMULTI_on(PL_incgv); |
fafc274c | 3451 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
3280af22 | 3452 | GvMULTI_on(PL_hintgv); |
fafc274c | 3453 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3454 | SvREFCNT_inc_simple_void(PL_defgv); |
fafc274c | 3455 | PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV)); |
5a5094bd | 3456 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3457 | GvMULTI_on(PL_errgv); |
fafc274c | 3458 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
3280af22 | 3459 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3460 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3461 | #ifdef PERL_DONT_CREATE_GVSV |
3462 | gv_SVadd(PL_errgv); | |
3463 | #endif | |
38a03e6e | 3464 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3465 | CLEAR_ERRSV(); |
3280af22 | 3466 | PL_curstash = PL_defstash; |
11faa288 | 3467 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3468 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3469 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3470 | SVt_PVHV)); | |
4633a7c4 | 3471 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3472 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3473 | } |
3474 | ||
fdf5d70d | 3475 | STATIC int |
2f352907 | 3476 | S_open_script(pTHX_ const char *scriptname, bool dosearch, |
f20b2998 | 3477 | bool *suidscript, PerlIO **rsfpp) |
79072805 | 3478 | { |
fdf5d70d | 3479 | int fdscript = -1; |
27da23d5 | 3480 | dVAR; |
1b24ed4b | 3481 | |
7918f24d NC |
3482 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3483 | ||
3280af22 | 3484 | if (PL_e_script) { |
8afc33d6 | 3485 | PL_origfilename = savepvs("-e"); |
96436eeb | 3486 | } |
6c4ab083 GS |
3487 | else { |
3488 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3489 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3490 | |
3491 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3492 | const char *s = scriptname + 8; |
fdf5d70d | 3493 | fdscript = atoi(s); |
6c4ab083 GS |
3494 | while (isDIGIT(*s)) |
3495 | s++; | |
3496 | if (*s) { | |
ae3f3efd PS |
3497 | /* PSz 18 Feb 04 |
3498 | * Tell apart "normal" usage of fdscript, e.g. | |
3499 | * with bash on FreeBSD: | |
3500 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3501 | * from usage in suidperl. | |
3502 | * Does any "normal" usage leave garbage after the number??? | |
3503 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3504 | * suidperl? | |
3505 | */ | |
f20b2998 | 3506 | *suidscript = TRUE; |
ae3f3efd PS |
3507 | /* PSz 20 Feb 04 |
3508 | * Be supersafe and do some sanity-checks. | |
3509 | * Still, can we be sure we got the right thing? | |
3510 | */ | |
3511 | if (*s != '/') { | |
3512 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3513 | } | |
3514 | if (! *(s+1)) { | |
3515 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3516 | } | |
6c4ab083 | 3517 | scriptname = savepv(s + 1); |
3280af22 | 3518 | Safefree(PL_origfilename); |
dd374669 | 3519 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3520 | } |
3521 | } | |
3522 | } | |
3523 | ||
05ec9bb3 | 3524 | CopFILE_free(PL_curcop); |
57843af0 | 3525 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3526 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3527 | scriptname = (char *)""; |
fdf5d70d | 3528 | if (fdscript >= 0) { |
2f9285f8 | 3529 | *rsfpp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
1b24ed4b | 3530 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3531 | if (*rsfpp) |
1b24ed4b | 3532 | /* ensure close-on-exec */ |
2f9285f8 | 3533 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3534 | # endif |
96436eeb | 3535 | } |
79072805 | 3536 | else if (!*scriptname) { |
cdd8118e | 3537 | forbid_setid(0, *suidscript); |
2f9285f8 | 3538 | *rsfpp = PerlIO_stdin(); |
79072805 | 3539 | } |
96436eeb | 3540 | else { |
9c12f1e5 RGS |
3541 | #ifdef FAKE_BIT_BUCKET |
3542 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3543 | * is called) and still have the "-e" work. (Believe it or not, | |
3544 | * a /dev/null is required for the "-e" to work because source | |
3545 | * filter magic is used to implement it. ) This is *not* a general | |
3546 | * replacement for a /dev/null. What we do here is create a temp | |
3547 | * file (an empty file), open up that as the script, and then | |
3548 | * immediately close and unlink it. Close enough for jazz. */ | |
3549 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3550 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3551 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3552 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3553 | FAKE_BIT_BUCKET_TEMPLATE | |
3554 | }; | |
3555 | const char * const err = "Failed to create a fake bit bucket"; | |
3556 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3557 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3558 | int tmpfd = mkstemp(tmpname); | |
3559 | if (tmpfd > -1) { | |
3560 | scriptname = tmpname; | |
3561 | close(tmpfd); | |
3562 | } else | |
3563 | Perl_croak(aTHX_ err); | |
3564 | #else | |
3565 | # ifdef HAS_MKTEMP | |
3566 | scriptname = mktemp(tmpname); | |
3567 | if (!scriptname) | |
3568 | Perl_croak(aTHX_ err); | |
3569 | # endif | |
3570 | #endif | |
3571 | } | |
3572 | #endif | |
2f9285f8 | 3573 | *rsfpp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3574 | #ifdef FAKE_BIT_BUCKET |
3575 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3576 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3577 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3578 | unlink(scriptname); | |
3579 | } | |
3580 | scriptname = BIT_BUCKET; | |
3581 | #endif | |
1b24ed4b | 3582 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3583 | if (*rsfpp) |
1b24ed4b | 3584 | /* ensure close-on-exec */ |
2f9285f8 | 3585 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3586 | # endif |
96436eeb | 3587 | } |
2f9285f8 | 3588 | if (!*rsfpp) { |
447218f8 | 3589 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3590 | if (PL_e_script) |
3591 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3592 | else | |
3593 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3594 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3595 | } |
fdf5d70d | 3596 | return fdscript; |
79072805 | 3597 | } |
8d063cd8 | 3598 | |
7b89560d JH |
3599 | /* Mention |
3600 | * I_SYSSTATVFS HAS_FSTATVFS | |
3601 | * I_SYSMOUNT | |
c890dc6c | 3602 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3603 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3604 | * here so that metaconfig picks them up. */ | |
3605 | ||
104d25b7 | 3606 | |
cc69b689 | 3607 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3608 | /* Don't even need this function. */ |
cc69b689 | 3609 | #else |
ec2019ad NC |
3610 | STATIC void |
3611 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3612 | { | |
7918f24d NC |
3613 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3614 | ||
3280af22 | 3615 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da MHM |
3616 | dVAR; |
3617 | ||
2f9285f8 | 3618 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
b28d0864 | 3619 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 3620 | || |
b28d0864 | 3621 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3622 | ) |
b28d0864 | 3623 | if (!PL_do_undump) |
cea2e8a9 | 3624 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3625 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3626 | /* not set-id, must be wrapped */ |
a687059c | 3627 | } |
79072805 | 3628 | } |
cc69b689 | 3629 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3630 | |
76e3520e | 3631 | STATIC void |
2f9285f8 | 3632 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3633 | { |
97aff369 | 3634 | dVAR; |
c7030b81 | 3635 | const char *s; |
dd374669 | 3636 | register const char *s2; |
33b78306 | 3637 | |
7918f24d NC |
3638 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3639 | ||
33b78306 LW |
3640 | /* skip forward in input to the real script? */ |
3641 | ||
3280af22 | 3642 | while (PL_doextract) { |
2f9285f8 | 3643 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3644 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba IZ |
3645 | s2 = s; |
3646 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
2f9285f8 | 3647 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
3280af22 | 3648 | PL_doextract = FALSE; |
6e72f9df | 3649 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3650 | s2 = s; | |
3651 | while (*s == ' ' || *s == '\t') s++; | |
3652 | if (*s++ == '-') { | |
3792a11b NC |
3653 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' |
3654 | || s2[-1] == '_') s2--; | |
6e72f9df | 3655 | if (strnEQ(s2-4,"perl",4)) |
97bd5664 | 3656 | while ((s = moreswitches(s))) |
155aba94 | 3657 | ; |
33b78306 | 3658 | } |
83025b21 LW |
3659 | } |
3660 | } | |
3661 | } | |
3662 | ||
afe37c7d | 3663 | |
76e3520e | 3664 | STATIC void |
cea2e8a9 | 3665 | S_init_ids(pTHX) |
352d5a3a | 3666 | { |
97aff369 | 3667 | dVAR; |
d8eceb89 JH |
3668 | PL_uid = PerlProc_getuid(); |
3669 | PL_euid = PerlProc_geteuid(); | |
3670 | PL_gid = PerlProc_getgid(); | |
3671 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3672 | #ifdef VMS |
b28d0864 NIS |
3673 | PL_uid |= PL_gid << 16; |
3674 | PL_euid |= PL_egid << 16; | |
748a9306 | 3675 | #endif |
22f7c9c9 JH |
3676 | /* Should not happen: */ |
3677 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 3678 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
ae3f3efd PS |
3679 | /* BUG */ |
3680 | /* PSz 27 Feb 04 | |
3681 | * Should go by suidscript, not uid!=euid: why disallow | |
3682 | * system("ls") in scripts run from setuid things? | |
3683 | * Or, is this run before we check arguments and set suidscript? | |
3684 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3685 | * (We never have suidscript, can we be sure to have fdscript?) | |
3686 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3687 | */ | |
748a9306 | 3688 | } |
79072805 | 3689 | |
a0643315 JH |
3690 | /* This is used very early in the lifetime of the program, |
3691 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3692 | * not been initialized properly. */ |
af419de7 | 3693 | bool |
8f42b153 | 3694 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3695 | { |
c3446a78 JH |
3696 | #ifndef PERL_IMPLICIT_SYS |
3697 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3698 | * before we have an interpreter-- and the whole point of this | |
3699 | * function is to be called at such an early stage. If you are on | |
3700 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3701 | * "tainted because running with altered effective ids', you'll | |
3702 | * have to add your own checks somewhere in here. The two most | |
3703 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3704 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3705 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3706 | int euid = PerlProc_geteuid(); |
af419de7 | 3707 | int gid = PerlProc_getgid(); |
22f7c9c9 | 3708 | int egid = PerlProc_getegid(); |
6867be6d | 3709 | (void)envp; |
22f7c9c9 JH |
3710 | |
3711 | #ifdef VMS | |
af419de7 | 3712 | uid |= gid << 16; |
22f7c9c9 JH |
3713 | euid |= egid << 16; |
3714 | #endif | |
3715 | if (uid && (euid != uid || egid != gid)) | |
3716 | return 1; | |
c3446a78 | 3717 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3718 | /* This is a really primitive check; environment gets ignored only |
3719 | * if -T are the first chars together; otherwise one gets | |
3720 | * "Too late" message. */ | |
22f7c9c9 JH |
3721 | if ( argc > 1 && argv[1][0] == '-' |
3722 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3723 | return 1; | |
3724 | return 0; | |
3725 | } | |
22f7c9c9 | 3726 | |
d0bafe7e NC |
3727 | /* Passing the flag as a single char rather than a string is a slight space |
3728 | optimisation. The only message that isn't /^-.$/ is | |
3729 | "program input from stdin", which is substituted in place of '\0', which | |
3730 | could never be a command line flag. */ | |
76e3520e | 3731 | STATIC void |
f20b2998 | 3732 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 3733 | { |
97aff369 | 3734 | dVAR; |
d0bafe7e NC |
3735 | char string[3] = "-x"; |
3736 | const char *message = "program input from stdin"; | |
3737 | ||
3738 | if (flag) { | |
3739 | string[1] = flag; | |
3740 | message = string; | |
3741 | } | |
3742 | ||
ae3f3efd | 3743 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
3280af22 | 3744 | if (PL_euid != PL_uid) |
d0bafe7e | 3745 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
3280af22 | 3746 | if (PL_egid != PL_gid) |
d0bafe7e | 3747 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 3748 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 3749 | if (suidscript) |
d0bafe7e | 3750 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 3751 | } |
3752 | ||
1ee4443e IZ |
3753 | void |
3754 | Perl_init_debugger(pTHX) | |
748a9306 | 3755 | { |
97aff369 | 3756 | dVAR; |
c4420975 | 3757 | HV * const ostash = PL_curstash; |
1ee4443e | 3758 | |
3280af22 | 3759 | PL_curstash = PL_debstash; |
5c1737d1 NC |
3760 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", GV_ADDMULTI, |
3761 | SVt_PVAV)))); | |
3280af22 | 3762 | AvREAL_off(PL_dbargs); |
5c1737d1 NC |
3763 | PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3764 | PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3765 | PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
3766 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); | |
ac27b0f5 | 3767 | sv_setiv(PL_DBsingle, 0); |
5c1737d1 | 3768 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3769 | sv_setiv(PL_DBtrace, 0); |
5c1737d1 | 3770 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 3771 | sv_setiv(PL_DBsignal, 0); |
1ee4443e | 3772 | PL_curstash = ostash; |
352d5a3a LW |
3773 | } |
3774 | ||
2ce36478 SM |
3775 | #ifndef STRESS_REALLOC |
3776 | #define REASONABLE(size) (size) | |
3777 | #else | |
3778 | #define REASONABLE(size) (1) /* unreasonable */ | |
3779 | #endif | |
3780 | ||
11343788 | 3781 | void |
cea2e8a9 | 3782 | Perl_init_stacks(pTHX) |
79072805 | 3783 | { |
97aff369 | 3784 | dVAR; |
e336de0d | 3785 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3786 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3787 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3788 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3789 | PL_curstack = PL_curstackinfo->si_stack; | |
3790 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3791 | |
3280af22 NIS |
3792 | PL_stack_base = AvARRAY(PL_curstack); |
3793 | PL_stack_sp = PL_stack_base; | |
3794 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3795 | |
a02a5408 | 3796 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
3797 | PL_tmps_floor = -1; |
3798 | PL_tmps_ix = -1; | |
3799 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3800 | |
a02a5408 | 3801 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
3802 | PL_markstack_ptr = PL_markstack; |
3803 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3804 | |
ce2f7c3b | 3805 | SET_MARK_OFFSET; |
e336de0d | 3806 | |
a02a5408 | 3807 | Newx(PL_scopestack,REASONABLE(32),I32); |
3280af22 NIS |
3808 | PL_scopestack_ix = 0; |
3809 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3810 | |
a02a5408 | 3811 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
3812 | PL_savestack_ix = 0; |
3813 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 3814 | } |
33b78306 | 3815 | |
2ce36478 SM |
3816 | #undef REASONABLE |
3817 | ||
76e3520e | 3818 | STATIC void |
cea2e8a9 | 3819 | S_nuke_stacks(pTHX) |
6e72f9df | 3820 | { |
97aff369 | 3821 | dVAR; |
3280af22 NIS |
3822 | while (PL_curstackinfo->si_next) |
3823 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3824 | while (PL_curstackinfo) { | |
3825 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3826 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3827 | Safefree(PL_curstackinfo->si_cxstack); |
3828 | Safefree(PL_curstackinfo); | |
3829 | PL_curstackinfo = p; | |
e336de0d | 3830 | } |
3280af22 NIS |
3831 | Safefree(PL_tmps_stack); |
3832 | Safefree(PL_markstack); | |
3833 | Safefree(PL_scopestack); | |
3834 | Safefree(PL_savestack); | |
378cc40b | 3835 | } |
33b78306 | 3836 | |
8990e307 | 3837 | |
76e3520e | 3838 | STATIC void |
cea2e8a9 | 3839 | S_init_predump_symbols(pTHX) |
45d8adaa | 3840 | { |
97aff369 | 3841 | dVAR; |
93a17b20 | 3842 | GV *tmpgv; |
af8c498a | 3843 | IO *io; |
79072805 | 3844 | |
64ace3f8 | 3845 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
3846 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
3847 | ||
fafc274c | 3848 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 3849 | GvMULTI_on(PL_stdingv); |
af8c498a | 3850 | io = GvIOp(PL_stdingv); |
a04651f4 | 3851 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 3852 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 3853 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 3854 | GvMULTI_on(tmpgv); |
a45c7426 | 3855 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 3856 | |
fafc274c | 3857 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 3858 | GvMULTI_on(tmpgv); |
af8c498a | 3859 | io = GvIOp(tmpgv); |
a04651f4 | 3860 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3861 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 3862 | setdefout(tmpgv); |
fafc274c | 3863 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 3864 | GvMULTI_on(tmpgv); |
a45c7426 | 3865 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 3866 | |
fafc274c | 3867 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
3868 | GvMULTI_on(PL_stderrgv); |
3869 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 3870 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 3871 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 3872 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 3873 | GvMULTI_on(tmpgv); |
a45c7426 | 3874 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 3875 | |
561b68a9 | 3876 | PL_statname = newSV(0); /* last filename we did stat on */ |
ab821d7f | 3877 | |
43c5f42d | 3878 | Safefree(PL_osname); |
bf4acbe4 | 3879 | PL_osname = savepv(OSNAME); |
79072805 | 3880 | } |
33b78306 | 3881 | |
a11ec5a9 | 3882 | void |
8f42b153 | 3883 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) |
33b78306 | 3884 | { |
97aff369 | 3885 | dVAR; |
7918f24d NC |
3886 | |
3887 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; | |
3888 | ||
79072805 | 3889 | argc--,argv++; /* skip name of script */ |
3280af22 | 3890 | if (PL_doswitches) { |
79072805 | 3891 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 3892 | char *s; |
79072805 LW |
3893 | if (!argv[0][1]) |
3894 | break; | |
379d538a | 3895 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
3896 | argc--,argv++; |
3897 | break; | |
3898 | } | |
155aba94 | 3899 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
3900 | const char *const start_name = argv[0] + 1; |
3901 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
3902 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
3903 | } |
3904 | else | |
71315bf2 | 3905 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 3906 | } |
79072805 | 3907 | } |
fafc274c | 3908 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
a11ec5a9 RGS |
3909 | GvMULTI_on(PL_argvgv); |
3910 | (void)gv_AVadd(PL_argvgv); | |
3911 | av_clear(GvAVn(PL_argvgv)); | |
3912 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 3913 | SV * const sv = newSVpv(argv[0],0); |
a11ec5a9 | 3914 | av_push(GvAVn(PL_argvgv),sv); |
ce81ff12 JH |
3915 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
3916 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
3917 | SvUTF8_on(sv); | |
3918 | } | |
a05d7ebb JH |
3919 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
3920 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
3921 | } |
3922 | } | |
3923 | } | |
3924 | ||
3925 | STATIC void | |
3926 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
3927 | { | |
27da23d5 | 3928 | dVAR; |
a11ec5a9 | 3929 | GV* tmpgv; |
a11ec5a9 | 3930 | |
7918f24d NC |
3931 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
3932 | ||
b9f83d2f | 3933 | PL_toptarget = newSV_type(SVt_PVFM); |
76f68e9b | 3934 | sv_setpvs(PL_toptarget, ""); |
b9f83d2f | 3935 | PL_bodytarget = newSV_type(SVt_PVFM); |
76f68e9b | 3936 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 3937 | PL_formtarget = PL_bodytarget; |
79072805 | 3938 | |
bbce6d69 | 3939 | TAINT; |
a11ec5a9 RGS |
3940 | |
3941 | init_argv_symbols(argc,argv); | |
3942 | ||
fafc274c | 3943 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 3944 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 3945 | } |
fafc274c | 3946 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 3947 | HV *hv; |
e17132c1 | 3948 | bool env_is_not_environ; |
3280af22 NIS |
3949 | GvMULTI_on(PL_envgv); |
3950 | hv = GvHVn(PL_envgv); | |
a0714e2c | 3951 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 3952 | #ifndef PERL_MICRO |
fa6a1c44 | 3953 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
3954 | /* Note that if the supplied env parameter is actually a copy |
3955 | of the global environ then it may now point to free'd memory | |
3956 | if the environment has been modified since. To avoid this | |
3957 | problem we treat env==NULL as meaning 'use the default' | |
3958 | */ | |
3959 | if (!env) | |
3960 | env = environ; | |
e17132c1 JD |
3961 | env_is_not_environ = env != environ; |
3962 | if (env_is_not_environ | |
4efc5df6 GS |
3963 | # ifdef USE_ITHREADS |
3964 | && PL_curinterp == aTHX | |
3965 | # endif | |
3966 | ) | |
3967 | { | |
bd61b366 | 3968 | environ[0] = NULL; |
4efc5df6 | 3969 | } |
9b4eeda5 | 3970 | if (env) { |
9d27dca9 | 3971 | char *s, *old_var; |
27da23d5 | 3972 | SV *sv; |
764df951 | 3973 | for (; *env; env++) { |
9d27dca9 MT |
3974 | old_var = *env; |
3975 | ||
3976 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 3977 | continue; |
9d27dca9 | 3978 | |
7da0e383 | 3979 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 3980 | *s = '\0'; |
9d27dca9 | 3981 | (void)strupr(old_var); |
61968511 | 3982 | *s = '='; |
137443ea | 3983 | #endif |
61968511 | 3984 | sv = newSVpv(s+1, 0); |
9d27dca9 | 3985 | (void)hv_store(hv, old_var, s - old_var, sv, 0); |
e17132c1 | 3986 | if (env_is_not_environ) |
61968511 | 3987 | mg_set(sv); |
764df951 | 3988 | } |
9b4eeda5 | 3989 | } |
103a7189 | 3990 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 3991 | #endif /* !PERL_MICRO */ |
79072805 | 3992 | } |
bbce6d69 | 3993 | TAINT_NOT; |
fafc274c | 3994 | if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
306196c3 | 3995 | SvREADONLY_off(GvSV(tmpgv)); |
7766f137 | 3996 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
3997 | SvREADONLY_on(GvSV(tmpgv)); |
3998 | } | |
4d76a344 RGS |
3999 | #ifdef THREADS_HAVE_PIDS |
4000 | PL_ppid = (IV)getppid(); | |
4001 | #endif | |
2710853f MJD |
4002 | |
4003 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4004 | if (PL_minus_a) { | |
cbfd0a87 | 4005 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4006 | } |
33b78306 | 4007 | } |
34de22dd | 4008 | |
76e3520e | 4009 | STATIC void |
2cace6ac | 4010 | S_init_perllib(pTHX) |
34de22dd | 4011 | { |
97aff369 | 4012 | dVAR; |
32910c7a | 4013 | #ifndef VMS |
929e5b34 | 4014 | const char *perl5lib = NULL; |
32910c7a | 4015 | #endif |
35ba5ce9 | 4016 | const char *s; |
e6a0bbf8 NC |
4017 | #ifdef WIN32 |
4018 | STRLEN len; | |
4019 | #endif | |
4020 | ||
3280af22 | 4021 | if (!PL_tainting) { |
552a7a9b | 4022 | #ifndef VMS |
32910c7a | 4023 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4024 | /* |
4025 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4026 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4027 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4028 | */ |
4029 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4030 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4031 | #else |
32910c7a | 4032 | if (perl5lib) |
88f5bc07 | 4033 | #endif |
32910c7a | 4034 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4035 | else { |
4705144d NC |
4036 | s = PerlEnv_getenv("PERLLIB"); |
4037 | if (s) | |
50d61629 | 4038 | incpush_use_sep(s, 0, 0); |
4705144d | 4039 | } |
552a7a9b | 4040 | #else /* VMS */ |
4041 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4042 | * "natural" VMS idiom for a Unix path string. We allow each | |
4043 | * element to be a set of |-separated directories for compatibility. | |
4044 | */ | |
4045 | char buf[256]; | |
4046 | int idx = 0; | |
4047 | if (my_trnlnm("PERL5LIB",buf,0)) | |
e28f3139 | 4048 | do { |
2cace6ac | 4049 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
e28f3139 | 4050 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
f05b5874 | 4051 | else { |
e28f3139 | 4052 | while (my_trnlnm("PERLLIB",buf,idx++)) |
50d61629 | 4053 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4054 | } |
552a7a9b | 4055 | #endif /* VMS */ |
85e6fe83 | 4056 | } |
34de22dd | 4057 | |
c90c0ff4 | 4058 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 4059 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 4060 | */ |
4633a7c4 | 4061 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4062 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4063 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4064 | #endif |
4633a7c4 | 4065 | |
65f19062 | 4066 | #ifdef SITEARCH_EXP |
3b290362 GS |
4067 | /* sitearch is always relative to sitelib on Windows for |
4068 | * DLL-based path intuition to work correctly */ | |
4069 | # if !defined(WIN32) | |
be71fc8f NC |
4070 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4071 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4072 | # endif |
4073 | #endif | |
4074 | ||
4633a7c4 | 4075 | #ifdef SITELIB_EXP |
65f19062 | 4076 | # if defined(WIN32) |
574c798a | 4077 | /* this picks up sitearch as well */ |
e6a0bbf8 | 4078 | s = win32_get_sitelib(PERL_FS_VERSION, &len); |
1fa74d9f | 4079 | if (s) |
e6a0bbf8 | 4080 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4081 | # else |
50d61629 | 4082 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4083 | # endif |
4084 | #endif | |
189d1e8d | 4085 | |
65f19062 | 4086 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4087 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4088 | * DLL-based path intuition to work correctly */ |
4089 | # if !defined(WIN32) | |
be71fc8f NC |
4090 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4091 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4092 | # endif |
4b03c463 | 4093 | #endif |
65f19062 GS |
4094 | |
4095 | #ifdef PERL_VENDORLIB_EXP | |
4096 | # if defined(WIN32) | |
e28f3139 | 4097 | /* this picks up vendorarch as well */ |
e6a0bbf8 | 4098 | s = win32_get_vendorlib(PERL_FS_VERSION, &len); |
1fa74d9f | 4099 | if (s) |
e6a0bbf8 | 4100 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4101 | # else |
be71fc8f NC |
4102 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4103 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4104 | # endif |
a3635516 | 4105 | #endif |
65f19062 | 4106 | |
b9ba2fad | 4107 | #ifdef ARCHLIB_EXP |
2cace6ac | 4108 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4109 | #endif |
4110 | ||
4111 | #ifndef PRIVLIB_EXP | |
4112 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4113 | #endif | |
4114 | ||
4115 | #if defined(WIN32) | |
2cace6ac NC |
4116 | s = win32_get_privlib(PERL_FS_VERSION, &len); |
4117 | if (s) | |
4118 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4119 | #else |
04c9eecc | 4120 | # ifdef NETWARE |
2cace6ac | 4121 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4122 | # else |
2cace6ac | 4123 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4124 | # endif |
b9ba2fad NC |
4125 | #endif |
4126 | ||
3b777bb4 | 4127 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4128 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4129 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4130 | |INCPUSH_CAN_RELOCATE); |
4131 | #endif | |
2cace6ac NC |
4132 | |
4133 | if (!PL_tainting) { | |
4134 | #ifndef VMS | |
2cace6ac NC |
4135 | /* |
4136 | * It isn't possible to delete an environment variable with | |
4137 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4138 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4139 | */ | |
4140 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4141 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4142 | #else |
32910c7a | 4143 | if (perl5lib) |
2cace6ac | 4144 | #endif |
32910c7a NC |
4145 | incpush_use_sep(perl5lib, 0, |
4146 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4147 | #else /* VMS */ |
4148 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4149 | * "natural" VMS idiom for a Unix path string. We allow each | |
4150 | * element to be a set of |-separated directories for compatibility. | |
4151 | */ | |
4152 | char buf[256]; | |
4153 | int idx = 0; | |
4154 | if (my_trnlnm("PERL5LIB",buf,0)) | |
4155 | do { | |
be71fc8f NC |
4156 | incpush_use_sep(buf, 0, |
4157 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4158 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
4159 | #endif /* VMS */ | |
a26c0e28 | 4160 | } |
2cace6ac NC |
4161 | |
4162 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
4163 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB | |
4164 | */ | |
4165 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4166 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4167 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4168 | #endif |
4169 | ||
2cace6ac NC |
4170 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4171 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4172 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4173 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4174 | #endif |
4175 | ||
4176 | ||
4177 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4178 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4179 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4180 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4181 | #endif |
4182 | ||
4183 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4184 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4185 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4186 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 GS |
4187 | #endif |
4188 | ||
2cace6ac | 4189 | if (!PL_tainting) |
55b4bc1c | 4190 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4191 | } |
4192 | ||
a0fd4948 | 4193 | #if defined(DOSISH) || defined(EPOC) || defined(__SYMBIAN32__) |
774d564b | 4194 | # define PERLLIB_SEP ';' |
4195 | #else | |
4196 | # if defined(VMS) | |
4197 | # define PERLLIB_SEP '|' | |
4198 | # else | |
e37778c2 | 4199 | # define PERLLIB_SEP ':' |
774d564b | 4200 | # endif |
4201 | #endif | |
4202 | #ifndef PERLLIB_MANGLE | |
4203 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4204 | #endif |
774d564b | 4205 | |
ad17a1ae NC |
4206 | /* Push a directory onto @INC if it exists. |
4207 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4208 | onto @INC */ | |
4209 | STATIC SV * | |
7ffdaae6 | 4210 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae | 4211 | { |
97aff369 | 4212 | dVAR; |
ad17a1ae | 4213 | Stat_t tmpstatbuf; |
7918f24d NC |
4214 | |
4215 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4216 | ||
848ef955 | 4217 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4218 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4219 | av_push(av, dir); |
7ffdaae6 NC |
4220 | dir = newSVsv(stem); |
4221 | } else { | |
4222 | /* Truncate dir back to stem. */ | |
4223 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4224 | } |
4225 | return dir; | |
4226 | } | |
4227 | ||
76e3520e | 4228 | STATIC void |
55b4bc1c | 4229 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) |
774d564b | 4230 | { |
97aff369 | 4231 | dVAR; |
7fc73107 | 4232 | const U8 using_sub_dirs |
1e3208d8 NC |
4233 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS |
4234 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4235 | const U8 add_versioned_sub_dirs | |
4236 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4237 | const U8 add_archonly_sub_dirs | |
4238 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
6df20272 | 4239 | #ifdef PERL_INC_VERSION_LIST |
6434436b | 4240 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; |
6df20272 | 4241 | #endif |
6434436b NC |
4242 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
4243 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
a26c0e28 | 4244 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; |
08d0d8ab | 4245 | AV *const inc = GvAVn(PL_incgv); |
774d564b | 4246 | |
08d0d8ab NC |
4247 | PERL_ARGS_ASSERT_INCPUSH; |
4248 | assert(len > 0); | |
3a9a9ba7 | 4249 | |
08d0d8ab NC |
4250 | /* Could remove this vestigial extra block, if we don't mind a lot of |
4251 | re-indenting diff noise. */ | |
55b4bc1c NC |
4252 | { |
4253 | SV *libdir; | |
3a9a9ba7 NC |
4254 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4255 | arranged to unshift #! line -I onto the front of @INC. However, | |
4256 | -I can add version and architecture specific libraries, and they | |
4257 | need to go first. The old code assumed that it was always | |
4258 | pushing. Hence to make it work, need to push the architecture | |
4259 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4260 | the front of @INC. */ | |
7fc73107 | 4261 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; |
774d564b | 4262 | |
55b4bc1c NC |
4263 | if (len) { |
4264 | /* I am not convinced that this is valid when PERLLIB_MANGLE is | |
4265 | defined to so something (in os2/os2.c), but the code has been | |
4266 | this way, ignoring any possible changed of length, since | |
4267 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4268 | it be. */ | |
4269 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
4270 | } else { | |
4271 | libdir = newSVpv(PERLLIB_MANGLE(dir, 0), 0); | |
774d564b | 4272 | } |
4273 | ||
dd374669 AL |
4274 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4275 | parameter. */ | |
4276 | if (canrelocate) { | |
88fe16b2 NC |
4277 | #ifdef PERL_RELOCATABLE_INC |
4278 | /* | |
4279 | * Relocatable include entries are marked with a leading .../ | |
4280 | * | |
4281 | * The algorithm is | |
4282 | * 0: Remove that leading ".../" | |
4283 | * 1: Remove trailing executable name (anything after the last '/') | |
4284 | * from the perl path to give a perl prefix | |
4285 | * Then | |
4286 | * While the @INC element starts "../" and the prefix ends with a real | |
4287 | * directory (ie not . or ..) chop that real directory off the prefix | |
4288 | * and the leading "../" from the @INC element. ie a logical "../" | |
4289 | * cleanup | |
4290 | * Finally concatenate the prefix and the remainder of the @INC element | |
4291 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4292 | * generates /usr/local/lib/perl5 | |
4293 | */ | |
890ce7af | 4294 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4295 | STRLEN libpath_len = SvCUR(libdir); |
4296 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4297 | /* Game on! */ | |
890ce7af | 4298 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4299 | /* Going to use the SV just as a scratch buffer holding a C |
4300 | string: */ | |
4301 | SV *prefix_sv; | |
4302 | char *prefix; | |
4303 | char *lastslash; | |
4304 | ||
4305 | /* $^X is *the* source of taint if tainting is on, hence | |
4306 | SvPOK() won't be true. */ | |
4307 | assert(caret_X); | |
4308 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4309 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4310 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4311 | /* Firstly take off the leading .../ |
4312 | If all else fail we'll do the paths relative to the current | |
4313 | directory. */ | |
4314 | sv_chop(libdir, libpath + 4); | |
4315 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4316 | mortal copies that the mg_get of tainting creates, and | |
4317 | corruption that seems to come via the save stack. | |
4318 | I guess that the save stack isn't correctly set up yet. */ | |
4319 | libpath = SvPVX(libdir); | |
4320 | libpath_len = SvCUR(libdir); | |
4321 | ||
4322 | /* This would work more efficiently with memrchr, but as it's | |
4323 | only a GNU extension we'd need to probe for it and | |
4324 | implement our own. Not hard, but maybe not worth it? */ | |
4325 | ||
4326 | prefix = SvPVX(prefix_sv); | |
4327 | lastslash = strrchr(prefix, '/'); | |
4328 | ||
4329 | /* First time in with the *lastslash = '\0' we just wipe off | |
4330 | the trailing /perl from (say) /usr/foo/bin/perl | |
4331 | */ | |
4332 | if (lastslash) { | |
4333 | SV *tempsv; | |
4334 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4335 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4336 | && (lastslash = strrchr(prefix, '/')))) { | |
4337 | if (lastslash[1] == '\0' | |
4338 | || (lastslash[1] == '.' | |
4339 | && (lastslash[2] == '/' /* ends "/." */ | |
4340 | || (lastslash[2] == '/' | |
4341 | && lastslash[3] == '/' /* or "/.." */ | |
4342 | )))) { | |
4343 | /* Prefix ends "/" or "/." or "/..", any of which | |
4344 | are fishy, so don't do any more logical cleanup. | |
4345 | */ | |
4346 | break; | |
4347 | } | |
4348 | /* Remove leading "../" from path */ | |
4349 | libpath += 3; | |
4350 | libpath_len -= 3; | |
4351 | /* Next iteration round the loop removes the last | |
4352 | directory name from prefix by writing a '\0' in | |
4353 | the while clause. */ | |
4354 | } | |
4355 | /* prefix has been terminated with a '\0' to the correct | |
4356 | length. libpath points somewhere into the libdir SV. | |
4357 | We need to join the 2 with '/' and drop the result into | |
4358 | libdir. */ | |
4359 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4360 | SvREFCNT_dec(libdir); | |
4361 | /* And this is the new libdir. */ | |
4362 | libdir = tempsv; | |
4363 | if (PL_tainting && | |
4364 | (PL_uid != PL_euid || PL_gid != PL_egid)) { | |
4365 | /* Need to taint reloccated paths if running set ID */ | |
4366 | SvTAINTED_on(libdir); | |
4367 | } | |
4368 | } | |
4369 | SvREFCNT_dec(prefix_sv); | |
4370 | } | |
88fe16b2 | 4371 | #endif |
dd374669 | 4372 | } |
774d564b | 4373 | /* |
4374 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4375 | * archname-specific sub-directories. | |
4376 | */ | |
ee80e7be | 4377 | if (using_sub_dirs) { |
7ffdaae6 | 4378 | SV *subdir; |
29d82f8d | 4379 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4380 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4381 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4382 | const char * const *incver; | |
29d82f8d | 4383 | #endif |
aa689395 | 4384 | #ifdef VMS |
4385 | char *unix; | |
4386 | STRLEN len; | |
774d564b | 4387 | |
10cc20f6 | 4388 | |
bd61b366 | 4389 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { |
aa689395 | 4390 | len = strlen(unix); |
4391 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4392 | sv_usepvn(libdir,unix,len); | |
4393 | } | |
4394 | else | |
bf49b057 | 4395 | PerlIO_printf(Perl_error_log, |
aa689395 | 4396 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 4397 | SvPV(libdir,len)); |
aa689395 | 4398 | #endif |
7ffdaae6 NC |
4399 | |
4400 | subdir = newSVsv(libdir); | |
4401 | ||
1e3208d8 | 4402 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4403 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4404 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4405 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4406 | |
9c8a64f0 | 4407 | /* .../version if -d .../version */ |
e51b748d | 4408 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4409 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4410 | } |
9c8a64f0 | 4411 | |
9c8a64f0 | 4412 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4413 | if (addoldvers) { |
9c8a64f0 GS |
4414 | for (incver = incverlist; *incver; incver++) { |
4415 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4416 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4417 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4418 | } |
4419 | } | |
29d82f8d | 4420 | #endif |
c992324b | 4421 | |
1e3208d8 | 4422 | if (add_archonly_sub_dirs) { |
c992324b | 4423 | /* .../archname if -d .../archname */ |
e51b748d | 4424 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4425 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4426 | |
4427 | } | |
10cc20f6 NC |
4428 | |
4429 | assert (SvREFCNT(subdir) == 1); | |
4430 | SvREFCNT_dec(subdir); | |
774d564b | 4431 | } |
4432 | ||
20189146 RGS |
4433 | /* finally add this lib directory at the end of @INC */ |
4434 | if (unshift) { | |
3a9a9ba7 | 4435 | U32 extra = av_len(av) + 1; |
a26c0e28 NC |
4436 | av_unshift(inc, extra + push_basedir); |
4437 | if (push_basedir) | |
4438 | av_store(inc, extra, libdir); | |
3a9a9ba7 NC |
4439 | while (extra--) { |
4440 | /* av owns a reference, av_store() expects to be donated a | |
4441 | reference, and av expects to be sane when it's cleared. | |
4442 | If I wanted to be naughty and wrong, I could peek inside the | |
4443 | implementation of av_clear(), realise that it uses | |
4444 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4445 | and so directly steal from it (with a memcpy() to inc, and | |
4446 | then memset() to NULL them out. But people copy code from the | |
4447 | core expecting it to be best practise, so let's use the API. | |
4448 | Although studious readers will note that I'm not checking any | |
4449 | return codes. */ | |
4450 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4451 | } | |
4452 | SvREFCNT_dec(av); | |
20189146 | 4453 | } |
a26c0e28 | 4454 | else if (push_basedir) { |
3a9a9ba7 | 4455 | av_push(inc, libdir); |
20189146 | 4456 | } |
a26c0e28 NC |
4457 | |
4458 | if (!push_basedir) { | |
4459 | assert (SvREFCNT(libdir) == 1); | |
4460 | SvREFCNT_dec(libdir); | |
4461 | } | |
774d564b | 4462 | } |
34de22dd | 4463 | } |
93a17b20 | 4464 | |
55b4bc1c | 4465 | STATIC void |
50d61629 | 4466 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4467 | { |
50d61629 NC |
4468 | const char *s; |
4469 | const char *end; | |
55b4bc1c NC |
4470 | /* This logic has been broken out from S_incpush(). It may be possible to |
4471 | simplify it. */ | |
4472 | ||
4705144d NC |
4473 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4474 | ||
50d61629 NC |
4475 | if (!len) |
4476 | len = strlen(p); | |
4477 | ||
4478 | end = p + len; | |
4479 | ||
55b4bc1c | 4480 | /* Break at all separators */ |
e42f52dd | 4481 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4482 | if (s == p) { |
4483 | /* skip any consecutive separators */ | |
55b4bc1c | 4484 | |
55b4bc1c | 4485 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4486 | /* But you'll need to write tests */ |
55b4bc1c | 4487 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4488 | } else { |
55b4bc1c | 4489 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4490 | } |
50d61629 | 4491 | p = s + 1; |
55b4bc1c | 4492 | } |
50d61629 NC |
4493 | if (p != end) |
4494 | incpush(p, (STRLEN)(end - p), flags); | |
4495 | ||
55b4bc1c | 4496 | } |
199100c8 | 4497 | |
93a17b20 | 4498 | void |
864dbfa3 | 4499 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4500 | { |
27da23d5 | 4501 | dVAR; |
971a9dd3 | 4502 | SV *atsv; |
5f40764f | 4503 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4504 | CV *cv; |
22921e25 | 4505 | STRLEN len; |
6224f72b | 4506 | int ret; |
db36c5a1 | 4507 | dJMPENV; |
93a17b20 | 4508 | |
7918f24d NC |
4509 | PERL_ARGS_ASSERT_CALL_LIST; |
4510 | ||
e1ec3a88 | 4511 | while (av_len(paramList) >= 0) { |
ea726b52 | 4512 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4513 | if (PL_savebegin) { |
4514 | if (paramList == PL_beginav) { | |
059a8bb7 | 4515 | /* save PL_beginav for compiler */ |
ad64d0ec | 4516 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4517 | } |
4518 | else if (paramList == PL_checkav) { | |
4519 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4520 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4521 | } |
3c10abe3 AG |
4522 | else if (paramList == PL_unitcheckav) { |
4523 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4524 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4525 | } |
059a8bb7 | 4526 | } else { |
81d86705 NC |
4527 | if (!PL_madskills) |
4528 | SAVEFREESV(cv); | |
059a8bb7 | 4529 | } |
14dd3ad8 | 4530 | JMPENV_PUSH(ret); |
6224f72b | 4531 | switch (ret) { |
312caa8e | 4532 | case 0: |
81d86705 NC |
4533 | #ifdef PERL_MAD |
4534 | if (PL_madskills) | |
4535 | PL_madskills |= 16384; | |
4536 | #endif | |
d6f07c05 | 4537 | CALL_LIST_BODY(cv); |
81d86705 NC |
4538 | #ifdef PERL_MAD |
4539 | if (PL_madskills) | |
4540 | PL_madskills &= ~16384; | |
4541 | #endif | |
971a9dd3 | 4542 | atsv = ERRSV; |
10516c54 | 4543 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4544 | if (len) { |
4545 | PL_curcop = &PL_compiling; | |
57843af0 | 4546 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4547 | if (paramList == PL_beginav) |
396482e1 | 4548 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4549 | else |
4f25aa18 GS |
4550 | Perl_sv_catpvf(aTHX_ atsv, |
4551 | "%s failed--call queue aborted", | |
7d30b5c4 | 4552 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4553 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4554 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4555 | : "END"); |
312caa8e CS |
4556 | while (PL_scopestack_ix > oldscope) |
4557 | LEAVE; | |
14dd3ad8 | 4558 | JMPENV_POP; |
be2597df | 4559 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4560 | } |
85e6fe83 | 4561 | break; |
6224f72b | 4562 | case 1: |
f86702cc | 4563 | STATUS_ALL_FAILURE; |
85e6fe83 | 4564 | /* FALL THROUGH */ |
6224f72b | 4565 | case 2: |
85e6fe83 | 4566 | /* my_exit() was called */ |
3280af22 | 4567 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4568 | LEAVE; |
84902520 | 4569 | FREETMPS; |
3280af22 | 4570 | PL_curstash = PL_defstash; |
3280af22 | 4571 | PL_curcop = &PL_compiling; |
57843af0 | 4572 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4573 | JMPENV_POP; |
cc3604b1 | 4574 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 4575 | if (paramList == PL_beginav) |
cea2e8a9 | 4576 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 4577 | else |
4f25aa18 | 4578 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 4579 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4580 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4581 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4582 | : "END"); |
85e6fe83 | 4583 | } |
f86702cc | 4584 | my_exit_jump(); |
85e6fe83 | 4585 | /* NOTREACHED */ |
6224f72b | 4586 | case 3: |
312caa8e CS |
4587 | if (PL_restartop) { |
4588 | PL_curcop = &PL_compiling; | |
57843af0 | 4589 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4590 | JMPENV_JUMP(3); |
85e6fe83 | 4591 | } |
bf49b057 | 4592 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4593 | FREETMPS; |
4594 | break; | |
8990e307 | 4595 | } |
14dd3ad8 | 4596 | JMPENV_POP; |
93a17b20 | 4597 | } |
93a17b20 | 4598 | } |
93a17b20 | 4599 | |
f86702cc | 4600 | void |
864dbfa3 | 4601 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4602 | { |
97aff369 | 4603 | dVAR; |
f86702cc | 4604 | switch (status) { |
4605 | case 0: | |
4606 | STATUS_ALL_SUCCESS; | |
4607 | break; | |
4608 | case 1: | |
4609 | STATUS_ALL_FAILURE; | |
4610 | break; | |
4611 | default: | |
6ac6a52b | 4612 | STATUS_EXIT_SET(status); |
f86702cc | 4613 | break; |
4614 | } | |
4615 | my_exit_jump(); | |
4616 | } | |
4617 | ||
4618 | void | |
864dbfa3 | 4619 | Perl_my_failure_exit(pTHX) |
f86702cc | 4620 | { |
97aff369 | 4621 | dVAR; |
f86702cc | 4622 | #ifdef VMS |
fb38d079 JM |
4623 | /* We have been called to fall on our sword. The desired exit code |
4624 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
4625 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
4626 | * that code is set. | |
fb38d079 JM |
4627 | * |
4628 | * If an error code has not been set, then force the issue. | |
4629 | */ | |
0968cdad JM |
4630 | if (MY_POSIX_EXIT) { |
4631 | ||
e08e1e1d JM |
4632 | /* According to the die_exit.t tests, if errno is non-zero */ |
4633 | /* It should be used for the error status. */ | |
0968cdad | 4634 | |
e08e1e1d JM |
4635 | if (errno == EVMSERR) { |
4636 | STATUS_NATIVE = vaxc$errno; | |
4637 | } else { | |
0968cdad | 4638 | |
e08e1e1d JM |
4639 | /* According to die_exit.t tests, if the child_exit code is */ |
4640 | /* also zero, then we need to exit with a code of 255 */ | |
4641 | if ((errno != 0) && (errno < 256)) | |
4642 | STATUS_UNIX_EXIT_SET(errno); | |
4643 | else if (STATUS_UNIX < 255) { | |
0968cdad | 4644 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
4645 | } |
4646 | ||
0968cdad | 4647 | } |
e08e1e1d JM |
4648 | |
4649 | /* The exit code could have been set by $? or vmsish which | |
4650 | * means that it may not have fatal set. So convert | |
4651 | * success/warning codes to fatal with out changing | |
4652 | * the POSIX status code. The severity makes VMS native | |
4653 | * status handling work, while UNIX mode programs use the | |
4654 | * the POSIX exit codes. | |
4655 | */ | |
4656 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
4657 | STATUS_NATIVE &= STS$M_COND_ID; | |
4658 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
4659 | } | |
0968cdad JM |
4660 | } |
4661 | else { | |
4662 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
4663 | if (vaxc$errno & 1) { | |
4664 | ||
4665 | /* So force success status to failure */ | |
4666 | if (STATUS_NATIVE & 1) | |
4667 | STATUS_ALL_FAILURE; | |
4668 | } | |
4669 | else { | |
4670 | if (!vaxc$errno) { | |
4671 | STATUS_UNIX = EINTR; /* In case something cares */ | |
4672 | STATUS_ALL_FAILURE; | |
4673 | } | |
4674 | else { | |
4675 | int severity; | |
4676 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
4677 | ||
4678 | /* Encode the severity code */ | |
4679 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
4680 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
4681 | ||
4682 | /* Perl expects this to be a fatal error */ | |
4683 | if (severity != STS$K_SEVERE) | |
4684 | STATUS_ALL_FAILURE; | |
4685 | } | |
4686 | } | |
4687 | } | |
fb38d079 | 4688 | |
f86702cc | 4689 | #else |
9b599b2a | 4690 | int exitstatus; |
f86702cc | 4691 | if (errno & 255) |
e5218da5 | 4692 | STATUS_UNIX_SET(errno); |
9b599b2a | 4693 | else { |
e5218da5 | 4694 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 4695 | if (exitstatus & 255) |
e5218da5 | 4696 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 4697 | else |
e5218da5 | 4698 | STATUS_UNIX_SET(255); |
9b599b2a | 4699 | } |
f86702cc | 4700 | #endif |
4701 | my_exit_jump(); | |
93a17b20 LW |
4702 | } |
4703 | ||
76e3520e | 4704 | STATIC void |
cea2e8a9 | 4705 | S_my_exit_jump(pTHX) |
f86702cc | 4706 | { |
27da23d5 | 4707 | dVAR; |
f86702cc | 4708 | |
3280af22 NIS |
4709 | if (PL_e_script) { |
4710 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 4711 | PL_e_script = NULL; |
f86702cc | 4712 | } |
4713 | ||
3280af22 | 4714 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
4715 | dounwind(-1); |
4716 | LEAVE_SCOPE(0); | |
ff0cee69 | 4717 | |
6224f72b | 4718 | JMPENV_JUMP(2); |
f86702cc | 4719 | } |
873ef191 | 4720 | |
0cb96387 | 4721 | static I32 |
acfe0abc | 4722 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 4723 | { |
97aff369 | 4724 | dVAR; |
9d4ba2ae AL |
4725 | const char * const p = SvPVX_const(PL_e_script); |
4726 | const char *nl = strchr(p, '\n'); | |
4727 | ||
4728 | PERL_UNUSED_ARG(idx); | |
4729 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 4730 | |
3280af22 | 4731 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4732 | if (nl-p == 0) { |
0cb96387 | 4733 | filter_del(read_e_script); |
873ef191 | 4734 | return 0; |
7dfe3f66 | 4735 | } |
873ef191 | 4736 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4737 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4738 | return 1; |
4739 | } | |
66610fdd RGS |
4740 | |
4741 | /* | |
4742 | * Local variables: | |
4743 | * c-indentation-style: bsd | |
4744 | * c-basic-offset: 4 | |
4745 | * indent-tabs-mode: t | |
4746 | * End: | |
4747 | * | |
37442d52 RGS |
4748 | * ex: set ts=8 sts=4 sw=4 noet: |
4749 | */ |