Commit | Line | Data |
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4b88f280 | 1 | #line 2 "perl.c" |
a0d0e21e LW |
2 | /* perl.c |
3 | * | |
737f4459 | 4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
010d7370 JV |
5 | * 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
6 | * by Larry Wall and others | |
a687059c | 7 | * |
352d5a3a LW |
8 | * You may distribute under the terms of either the GNU General Public |
9 | * License or the Artistic License, as specified in the README file. | |
a687059c | 10 | * |
8d063cd8 LW |
11 | */ |
12 | ||
a0d0e21e | 13 | /* |
4ac71550 TC |
14 | * A ship then new they built for him |
15 | * of mithril and of elven-glass | |
16 | * --from Bilbo's song of EƤrendil | |
17 | * | |
18 | * [p.236 of _The Lord of the Rings_, II/i: "Many Meetings"] | |
a0d0e21e | 19 | */ |
45d8adaa | 20 | |
166f8a29 DM |
21 | /* This file contains the top-level functions that are used to create, use |
22 | * and destroy a perl interpreter, plus the functions used by XS code to | |
23 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 24 | * function of the interpreter; that can be found in perlmain.c |
166f8a29 DM |
25 | */ |
26 | ||
43c0c913 NC |
27 | #ifdef PERL_IS_MINIPERL |
28 | # define USE_SITECUSTOMIZE | |
29 | #endif | |
30 | ||
378cc40b | 31 | #include "EXTERN.h" |
864dbfa3 | 32 | #define PERL_IN_PERL_C |
378cc40b | 33 | #include "perl.h" |
e3321bb0 | 34 | #include "patchlevel.h" /* for local_patches */ |
4a5df386 | 35 | #include "XSUB.h" |
378cc40b | 36 | |
011f1a1a JH |
37 | #ifdef NETWARE |
38 | #include "nwutil.h" | |
011f1a1a JH |
39 | #endif |
40 | ||
df5cef82 | 41 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
42 | #ifdef I_UNISTD |
43 | #include <unistd.h> | |
44 | #endif | |
a0d0e21e | 45 | |
2aa47728 NC |
46 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
47 | # ifdef I_SYS_WAIT | |
48 | # include <sys/wait.h> | |
49 | # endif | |
bf357333 NC |
50 | # ifdef I_SYSUIO |
51 | # include <sys/uio.h> | |
52 | # endif | |
53 | ||
54 | union control_un { | |
55 | struct cmsghdr cm; | |
56 | char control[CMSG_SPACE(sizeof(int))]; | |
57 | }; | |
58 | ||
2aa47728 NC |
59 | #endif |
60 | ||
5311654c JH |
61 | #ifdef __BEOS__ |
62 | # define HZ 1000000 | |
63 | #endif | |
64 | ||
65 | #ifndef HZ | |
66 | # ifdef CLK_TCK | |
67 | # define HZ CLK_TCK | |
68 | # else | |
69 | # define HZ 60 | |
70 | # endif | |
71 | #endif | |
72 | ||
7114a2d2 | 73 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 74 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 75 | #endif |
76 | ||
acfe0abc | 77 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 78 | |
cc69b689 | 79 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 80 | /* Drop everything. Heck, don't even try to call it */ |
cc69b689 NC |
81 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) NOOP |
82 | #else | |
ec2019ad | 83 | /* Drop almost everything */ |
cc69b689 | 84 | # define validate_suid(validarg, scriptname, fdscript, suidscript, linestr_sv, rsfp) S_validate_suid(aTHX_ rsfp) |
a687059c | 85 | #endif |
8d063cd8 | 86 | |
d6f07c05 AL |
87 | #define CALL_BODY_SUB(myop) \ |
88 | if (PL_op == (myop)) \ | |
139d0ce6 | 89 | PL_op = PL_ppaddr[OP_ENTERSUB](aTHX); \ |
d6f07c05 AL |
90 | if (PL_op) \ |
91 | CALLRUNOPS(aTHX); | |
92 | ||
93 | #define CALL_LIST_BODY(cv) \ | |
94 | PUSHMARK(PL_stack_sp); \ | |
ad64d0ec | 95 | call_sv(MUTABLE_SV((cv)), G_EVAL|G_DISCARD); |
d6f07c05 | 96 | |
e6827a76 | 97 | static void |
daa7d858 | 98 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 99 | { |
27da23d5 | 100 | dVAR; |
e6827a76 NC |
101 | if (!PL_curinterp) { |
102 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 103 | #if defined(USE_ITHREADS) |
e6827a76 NC |
104 | INIT_THREADS; |
105 | ALLOC_THREAD_KEY; | |
106 | PERL_SET_THX(my_perl); | |
107 | OP_REFCNT_INIT; | |
71ad1b0c | 108 | HINTS_REFCNT_INIT; |
e6827a76 | 109 | MUTEX_INIT(&PL_dollarzero_mutex); |
016af4f1 DM |
110 | MUTEX_INIT(&PL_my_ctx_mutex); |
111 | # endif | |
e6827a76 | 112 | } |
c0bce9aa NC |
113 | #if defined(USE_ITHREADS) |
114 | else | |
115 | #else | |
116 | /* This always happens for non-ithreads */ | |
117 | #endif | |
118 | { | |
e6827a76 NC |
119 | PERL_SET_THX(my_perl); |
120 | } | |
121 | } | |
06d86050 | 122 | |
cbec8ebe DM |
123 | |
124 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
125 | ||
126 | void | |
127 | Perl_sys_init(int* argc, char*** argv) | |
128 | { | |
4fc0badb | 129 | dVAR; |
7918f24d NC |
130 | |
131 | PERL_ARGS_ASSERT_SYS_INIT; | |
132 | ||
cbec8ebe DM |
133 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
134 | PERL_UNUSED_ARG(argv); | |
135 | PERL_SYS_INIT_BODY(argc, argv); | |
136 | } | |
137 | ||
138 | void | |
139 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
140 | { | |
4fc0badb | 141 | dVAR; |
7918f24d NC |
142 | |
143 | PERL_ARGS_ASSERT_SYS_INIT3; | |
144 | ||
cbec8ebe DM |
145 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
146 | PERL_UNUSED_ARG(argv); | |
147 | PERL_UNUSED_ARG(env); | |
148 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
149 | } | |
150 | ||
151 | void | |
d0820ef1 | 152 | Perl_sys_term() |
cbec8ebe | 153 | { |
4fc0badb | 154 | dVAR; |
bf81751b DM |
155 | if (!PL_veto_cleanup) { |
156 | PERL_SYS_TERM_BODY(); | |
157 | } | |
cbec8ebe DM |
158 | } |
159 | ||
160 | ||
32e30700 GS |
161 | #ifdef PERL_IMPLICIT_SYS |
162 | PerlInterpreter * | |
7766f137 GS |
163 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
164 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
165 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
166 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
167 | struct IPerlProc* ipP) | |
168 | { | |
169 | PerlInterpreter *my_perl; | |
7918f24d NC |
170 | |
171 | PERL_ARGS_ASSERT_PERL_ALLOC_USING; | |
172 | ||
9f653bb5 | 173 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 174 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 175 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
176 | Zero(my_perl, 1, PerlInterpreter); |
177 | PL_Mem = ipM; | |
7766f137 GS |
178 | PL_MemShared = ipMS; |
179 | PL_MemParse = ipMP; | |
32e30700 GS |
180 | PL_Env = ipE; |
181 | PL_StdIO = ipStd; | |
182 | PL_LIO = ipLIO; | |
183 | PL_Dir = ipD; | |
184 | PL_Sock = ipS; | |
185 | PL_Proc = ipP; | |
7cb608b5 | 186 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 187 | |
32e30700 GS |
188 | return my_perl; |
189 | } | |
190 | #else | |
954c1994 GS |
191 | |
192 | /* | |
ccfc67b7 JH |
193 | =head1 Embedding Functions |
194 | ||
954c1994 GS |
195 | =for apidoc perl_alloc |
196 | ||
197 | Allocates a new Perl interpreter. See L<perlembed>. | |
198 | ||
199 | =cut | |
200 | */ | |
201 | ||
93a17b20 | 202 | PerlInterpreter * |
cea2e8a9 | 203 | perl_alloc(void) |
79072805 | 204 | { |
cea2e8a9 | 205 | PerlInterpreter *my_perl; |
79072805 | 206 | |
9f653bb5 | 207 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 208 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 209 | |
e6827a76 | 210 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 211 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 212 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
213 | #else |
214 | Zero(my_perl, 1, PerlInterpreter); | |
215 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
216 | return my_perl; | |
217 | #endif | |
79072805 | 218 | } |
32e30700 | 219 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 220 | |
954c1994 GS |
221 | /* |
222 | =for apidoc perl_construct | |
223 | ||
224 | Initializes a new Perl interpreter. See L<perlembed>. | |
225 | ||
226 | =cut | |
227 | */ | |
228 | ||
79072805 | 229 | void |
0cb96387 | 230 | perl_construct(pTHXx) |
79072805 | 231 | { |
27da23d5 | 232 | dVAR; |
7918f24d NC |
233 | |
234 | PERL_ARGS_ASSERT_PERL_CONSTRUCT; | |
235 | ||
8990e307 | 236 | #ifdef MULTIPLICITY |
54aff467 | 237 | init_interp(); |
ac27b0f5 | 238 | PL_perl_destruct_level = 1; |
54aff467 | 239 | #else |
7918f24d | 240 | PERL_UNUSED_ARG(my_perl); |
54aff467 GS |
241 | if (PL_perl_destruct_level > 0) |
242 | init_interp(); | |
243 | #endif | |
34caed6d DM |
244 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
245 | ||
34caed6d DM |
246 | /* set read-only and try to insure than we wont see REFCNT==0 |
247 | very often */ | |
248 | ||
249 | SvREADONLY_on(&PL_sv_undef); | |
250 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
251 | ||
252 | sv_setpv(&PL_sv_no,PL_No); | |
253 | /* value lookup in void context - happens to have the side effect | |
a43d94f2 NC |
254 | of caching the numeric forms. However, as &PL_sv_no doesn't contain |
255 | a string that is a valid numer, we have to turn the public flags by | |
256 | hand: */ | |
34caed6d | 257 | SvNV(&PL_sv_no); |
c1939273 | 258 | SvIV(&PL_sv_no); |
a43d94f2 NC |
259 | SvIOK_on(&PL_sv_no); |
260 | SvNOK_on(&PL_sv_no); | |
34caed6d DM |
261 | SvREADONLY_on(&PL_sv_no); |
262 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
263 | ||
264 | sv_setpv(&PL_sv_yes,PL_Yes); | |
34caed6d | 265 | SvNV(&PL_sv_yes); |
c1939273 | 266 | SvIV(&PL_sv_yes); |
34caed6d DM |
267 | SvREADONLY_on(&PL_sv_yes); |
268 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
269 | ||
270 | SvREADONLY_on(&PL_sv_placeholder); | |
271 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
272 | ||
273 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 274 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 275 | PL_pidstatus = newHV(); |
ca0c25f6 | 276 | #endif |
79072805 | 277 | |
396482e1 | 278 | PL_rs = newSVpvs("\n"); |
dc92893f | 279 | |
cea2e8a9 | 280 | init_stacks(); |
79072805 | 281 | |
748a9306 | 282 | init_ids(); |
a5f75d66 | 283 | |
312caa8e | 284 | JMPENV_BOOTSTRAP; |
f86702cc | 285 | STATUS_ALL_SUCCESS; |
286 | ||
0672f40e | 287 | init_i18nl10n(1); |
36477c24 | 288 | SET_NUMERIC_STANDARD(); |
0b5b802d | 289 | |
ab821d7f | 290 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 291 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 292 | #endif |
293 | ||
52853b95 GS |
294 | #ifdef HAVE_INTERP_INTERN |
295 | sys_intern_init(); | |
296 | #endif | |
297 | ||
3a1ee7e8 | 298 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 299 | |
3280af22 NIS |
300 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
301 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 302 | PL_errors = newSVpvs(""); |
76f68e9b MHM |
303 | sv_setpvs(PERL_DEBUG_PAD(0), ""); /* For regex debugging. */ |
304 | sv_setpvs(PERL_DEBUG_PAD(1), ""); /* ext/re needs these */ | |
305 | sv_setpvs(PERL_DEBUG_PAD(2), ""); /* even without DEBUGGING. */ | |
1fcf4c12 | 306 | #ifdef USE_ITHREADS |
402d2eb1 NC |
307 | /* First entry is a list of empty elements. It needs to be initialised |
308 | else all hell breaks loose in S_find_uninit_var(). */ | |
309 | Perl_av_create_and_push(aTHX_ &PL_regex_padav, newSVpvs("")); | |
13137afc | 310 | PL_regex_pad = AvARRAY(PL_regex_padav); |
1fcf4c12 | 311 | #endif |
e5dd39fc | 312 | #ifdef USE_REENTRANT_API |
59bd0823 | 313 | Perl_reentrant_init(aTHX); |
e5dd39fc | 314 | #endif |
3d47000e AB |
315 | |
316 | /* Note that strtab is a rather special HV. Assumptions are made | |
317 | about not iterating on it, and not adding tie magic to it. | |
318 | It is properly deallocated in perl_destruct() */ | |
319 | PL_strtab = newHV(); | |
320 | ||
3d47000e AB |
321 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
322 | hv_ksplit(PL_strtab, 512); | |
323 | ||
0631ea03 AB |
324 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
325 | _dyld_lookup_and_bind | |
326 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
327 | #endif /* environ */ | |
328 | ||
2f42fcb0 JH |
329 | #ifndef PERL_MICRO |
330 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 331 | PL_origenviron = environ; |
2f42fcb0 | 332 | # endif |
0631ea03 AB |
333 | #endif |
334 | ||
5311654c | 335 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 336 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
337 | * BeOS has those, but returns the wrong value. |
338 | * The HZ if not originally defined has been by now | |
339 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 340 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
341 | PL_clocktick = sysconf(_SC_CLK_TCK); |
342 | if (PL_clocktick <= 0) | |
343 | #endif | |
344 | PL_clocktick = HZ; | |
345 | ||
081fc587 AB |
346 | PL_stashcache = newHV(); |
347 | ||
e8e3635e | 348 | PL_patchlevel = newSVpvs("v" PERL_VERSION_STRING); |
1e8125c6 | 349 | PL_apiversion = newSVpvs("v" PERL_API_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 | ||
7d113631 NC |
393 | PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME)); |
394 | ||
a3e6e81e | 395 | PL_registered_mros = newHV(); |
9e169432 NC |
396 | /* Start with 1 bucket, for DFS. It's unlikely we'll need more. */ |
397 | HvMAX(PL_registered_mros) = 0; | |
a3e6e81e | 398 | |
8990e307 | 399 | ENTER; |
79072805 LW |
400 | } |
401 | ||
954c1994 | 402 | /* |
62375a60 NIS |
403 | =for apidoc nothreadhook |
404 | ||
405 | Stub that provides thread hook for perl_destruct when there are | |
406 | no threads. | |
407 | ||
408 | =cut | |
409 | */ | |
410 | ||
411 | int | |
4e9e3734 | 412 | Perl_nothreadhook(pTHX) |
62375a60 | 413 | { |
96a5add6 | 414 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
415 | return 0; |
416 | } | |
417 | ||
41e4abd8 NC |
418 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
419 | void | |
420 | Perl_dump_sv_child(pTHX_ SV *sv) | |
421 | { | |
422 | ssize_t got; | |
bf357333 NC |
423 | const int sock = PL_dumper_fd; |
424 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
425 | union control_un control; |
426 | struct msghdr msg; | |
808ad2d0 | 427 | struct iovec vec[2]; |
bf357333 | 428 | struct cmsghdr *cmptr; |
808ad2d0 NC |
429 | int returned_errno; |
430 | unsigned char buffer[256]; | |
41e4abd8 | 431 | |
7918f24d NC |
432 | PERL_ARGS_ASSERT_DUMP_SV_CHILD; |
433 | ||
bf357333 | 434 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
435 | return; |
436 | ||
437 | PerlIO_flush(Perl_debug_log); | |
438 | ||
bf357333 NC |
439 | /* All these shenanigans are to pass a file descriptor over to our child for |
440 | it to dump out to. We can't let it hold open the file descriptor when it | |
441 | forks, as the file descriptor it will dump to can turn out to be one end | |
442 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 443 | be open, the wait would be forever.) */ |
bf357333 NC |
444 | |
445 | msg.msg_control = control.control; | |
446 | msg.msg_controllen = sizeof(control.control); | |
447 | /* We're a connected socket so we don't need a destination */ | |
448 | msg.msg_name = NULL; | |
449 | msg.msg_namelen = 0; | |
450 | msg.msg_iov = vec; | |
808ad2d0 | 451 | msg.msg_iovlen = 1; |
bf357333 NC |
452 | |
453 | cmptr = CMSG_FIRSTHDR(&msg); | |
454 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
455 | cmptr->cmsg_level = SOL_SOCKET; | |
456 | cmptr->cmsg_type = SCM_RIGHTS; | |
457 | *((int *)CMSG_DATA(cmptr)) = 1; | |
458 | ||
459 | vec[0].iov_base = (void*)&sv; | |
460 | vec[0].iov_len = sizeof(sv); | |
461 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
462 | |
463 | if(got < 0) { | |
bf357333 | 464 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
465 | abort(); |
466 | } | |
bf357333 NC |
467 | if(got < sizeof(sv)) { |
468 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
469 | abort(); |
470 | } | |
471 | ||
808ad2d0 NC |
472 | /* Return protocol is |
473 | int: errno value | |
474 | unsigned char: length of location string (0 for empty) | |
475 | unsigned char*: string (not terminated) | |
476 | */ | |
477 | vec[0].iov_base = (void*)&returned_errno; | |
478 | vec[0].iov_len = sizeof(returned_errno); | |
479 | vec[1].iov_base = buffer; | |
480 | vec[1].iov_len = 1; | |
481 | ||
482 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
483 | |
484 | if(got < 0) { | |
485 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 486 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
487 | abort(); |
488 | } | |
808ad2d0 | 489 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 490 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 491 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
492 | abort(); |
493 | } | |
494 | ||
808ad2d0 NC |
495 | if (*buffer) { |
496 | got = read(sock, buffer + 1, *buffer); | |
497 | if(got < 0) { | |
498 | perror("Debug leaking scalars parent read 2 failed"); | |
499 | PerlIO_flush(PerlIO_stderr()); | |
500 | abort(); | |
501 | } | |
502 | ||
503 | if(got < *buffer) { | |
504 | perror("Debug leaking scalars parent short read 2"); | |
505 | PerlIO_flush(PerlIO_stderr()); | |
506 | abort(); | |
507 | } | |
508 | } | |
509 | ||
510 | if (returned_errno || *buffer) { | |
511 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
512 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
513 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
514 | } |
515 | } | |
516 | #endif | |
517 | ||
62375a60 | 518 | /* |
954c1994 GS |
519 | =for apidoc perl_destruct |
520 | ||
521 | Shuts down a Perl interpreter. See L<perlembed>. | |
522 | ||
523 | =cut | |
524 | */ | |
525 | ||
31d77e54 | 526 | int |
0cb96387 | 527 | perl_destruct(pTHXx) |
79072805 | 528 | { |
27da23d5 | 529 | dVAR; |
be2ea8ed | 530 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 531 | HV *hv; |
2aa47728 | 532 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
533 | pid_t child; |
534 | #endif | |
8990e307 | 535 | |
7918f24d NC |
536 | PERL_ARGS_ASSERT_PERL_DESTRUCT; |
537 | #ifndef MULTIPLICITY | |
ed6c66dd | 538 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 539 | #endif |
9d4ba2ae | 540 | |
3d22c4f0 GG |
541 | assert(PL_scopestack_ix == 1); |
542 | ||
7766f137 GS |
543 | /* wait for all pseudo-forked children to finish */ |
544 | PERL_WAIT_FOR_CHILDREN; | |
545 | ||
3280af22 | 546 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
547 | #ifdef DEBUGGING |
548 | { | |
9d4ba2ae AL |
549 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
550 | if (s) { | |
e1ec3a88 | 551 | const int i = atoi(s); |
5f05dabc | 552 | if (destruct_level < i) |
553 | destruct_level = i; | |
554 | } | |
4633a7c4 LW |
555 | } |
556 | #endif | |
557 | ||
27da23d5 | 558 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
559 | dJMPENV; |
560 | int x = 0; | |
561 | ||
562 | JMPENV_PUSH(x); | |
1b6737cc | 563 | PERL_UNUSED_VAR(x); |
9ebf26ad FR |
564 | if (PL_endav && !PL_minus_c) { |
565 | PL_phase = PERL_PHASE_END; | |
f3faeb53 | 566 | call_list(PL_scopestack_ix, PL_endav); |
9ebf26ad | 567 | } |
f3faeb53 | 568 | JMPENV_POP; |
26f423df | 569 | } |
f3faeb53 | 570 | LEAVE; |
a0d0e21e | 571 | FREETMPS; |
3d22c4f0 | 572 | assert(PL_scopestack_ix == 0); |
a0d0e21e | 573 | |
e00b64d4 | 574 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 575 | my_fflush_all(); |
e00b64d4 | 576 | |
16c91539 | 577 | if (PL_threadhook(aTHX)) { |
62375a60 | 578 | /* Threads hook has vetoed further cleanup */ |
c301d606 | 579 | PL_veto_cleanup = TRUE; |
37038d91 | 580 | return STATUS_EXIT; |
62375a60 NIS |
581 | } |
582 | ||
2aa47728 NC |
583 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
584 | if (destruct_level != 0) { | |
585 | /* Fork here to create a child. Our child's job is to preserve the | |
586 | state of scalars prior to destruction, so that we can instruct it | |
587 | to dump any scalars that we later find have leaked. | |
588 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
589 | fail gracefully */ | |
590 | int fd[2]; | |
591 | ||
592 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
593 | perror("Debug leaking scalars socketpair failed"); | |
594 | abort(); | |
595 | } | |
596 | ||
597 | child = fork(); | |
598 | if(child == -1) { | |
599 | perror("Debug leaking scalars fork failed"); | |
600 | abort(); | |
601 | } | |
602 | if (!child) { | |
603 | /* We are the child */ | |
3125a5a4 NC |
604 | const int sock = fd[1]; |
605 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
606 | int f; | |
808ad2d0 NC |
607 | const char *where; |
608 | /* Our success message is an integer 0, and a char 0 */ | |
b61433a9 | 609 | static const char success[sizeof(int) + 1] = {0}; |
3125a5a4 | 610 | |
2aa47728 | 611 | close(fd[0]); |
2aa47728 | 612 | |
3125a5a4 NC |
613 | /* We need to close all other file descriptors otherwise we end up |
614 | with interesting hangs, where the parent closes its end of a | |
615 | pipe, and sits waiting for (another) child to terminate. Only | |
616 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
617 | we also have the far end of the pipe open. We even need to |
618 | close the debugging fd, because sometimes it happens to be one | |
619 | end of a pipe, and a process is waiting on the other end for | |
620 | EOF. Normally it would be closed at some point earlier in | |
621 | destruction, but if we happen to cause the pipe to remain open, | |
622 | EOF never occurs, and we get an infinite hang. Hence all the | |
623 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
624 | |
625 | f = sysconf(_SC_OPEN_MAX); | |
626 | if(f < 0) { | |
808ad2d0 NC |
627 | where = "sysconf failed"; |
628 | goto abort; | |
3125a5a4 NC |
629 | } |
630 | while (f--) { | |
631 | if (f == sock) | |
632 | continue; | |
3125a5a4 NC |
633 | close(f); |
634 | } | |
635 | ||
2aa47728 NC |
636 | while (1) { |
637 | SV *target; | |
bf357333 NC |
638 | union control_un control; |
639 | struct msghdr msg; | |
640 | struct iovec vec[1]; | |
641 | struct cmsghdr *cmptr; | |
642 | ssize_t got; | |
643 | int got_fd; | |
644 | ||
645 | msg.msg_control = control.control; | |
646 | msg.msg_controllen = sizeof(control.control); | |
647 | /* We're a connected socket so we don't need a source */ | |
648 | msg.msg_name = NULL; | |
649 | msg.msg_namelen = 0; | |
650 | msg.msg_iov = vec; | |
651 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
652 | ||
653 | vec[0].iov_base = (void*)⌖ | |
654 | vec[0].iov_len = sizeof(target); | |
655 | ||
656 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
657 | |
658 | if(got == 0) | |
659 | break; | |
660 | if(got < 0) { | |
808ad2d0 NC |
661 | where = "recv failed"; |
662 | goto abort; | |
2aa47728 NC |
663 | } |
664 | if(got < sizeof(target)) { | |
808ad2d0 NC |
665 | where = "short recv"; |
666 | goto abort; | |
2aa47728 | 667 | } |
bf357333 | 668 | |
808ad2d0 NC |
669 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
670 | where = "no cmsg"; | |
671 | goto abort; | |
672 | } | |
673 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
674 | where = "wrong cmsg_len"; | |
675 | goto abort; | |
676 | } | |
677 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
678 | where = "wrong cmsg_level"; | |
679 | goto abort; | |
680 | } | |
681 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
682 | where = "wrong cmsg_type"; | |
683 | goto abort; | |
684 | } | |
bf357333 NC |
685 | |
686 | got_fd = *(int*)CMSG_DATA(cmptr); | |
687 | /* For our last little bit of trickery, put the file descriptor | |
688 | back into Perl_debug_log, as if we never actually closed it | |
689 | */ | |
808ad2d0 NC |
690 | if(got_fd != debug_fd) { |
691 | if (dup2(got_fd, debug_fd) == -1) { | |
692 | where = "dup2"; | |
693 | goto abort; | |
694 | } | |
695 | } | |
2aa47728 | 696 | sv_dump(target); |
bf357333 | 697 | |
2aa47728 NC |
698 | PerlIO_flush(Perl_debug_log); |
699 | ||
808ad2d0 | 700 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
701 | |
702 | if(got < 0) { | |
808ad2d0 NC |
703 | where = "write failed"; |
704 | goto abort; | |
2aa47728 | 705 | } |
808ad2d0 NC |
706 | if(got < sizeof(success)) { |
707 | where = "short write"; | |
708 | goto abort; | |
2aa47728 NC |
709 | } |
710 | } | |
711 | _exit(0); | |
808ad2d0 NC |
712 | abort: |
713 | { | |
714 | int send_errno = errno; | |
715 | unsigned char length = (unsigned char) strlen(where); | |
716 | struct iovec failure[3] = { | |
717 | {(void*)&send_errno, sizeof(send_errno)}, | |
718 | {&length, 1}, | |
719 | {(void*)where, length} | |
720 | }; | |
721 | int got = writev(sock, failure, 3); | |
722 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
723 | in the parent if we try to read from the socketpair after the | |
724 | child has exited, even if there was data to read. | |
725 | So sleep a bit to give the parent a fighting chance of | |
726 | reading the data. */ | |
727 | sleep(2); | |
728 | _exit((got == -1) ? errno : 0); | |
729 | } | |
bf357333 | 730 | /* End of child. */ |
2aa47728 | 731 | } |
41e4abd8 | 732 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
733 | close(fd[1]); |
734 | } | |
735 | #endif | |
736 | ||
ff0cee69 | 737 | /* We must account for everything. */ |
738 | ||
739 | /* Destroy the main CV and syntax tree */ | |
17fbfdf6 NC |
740 | /* Do this now, because destroying ops can cause new SVs to be generated |
741 | in Perl_pad_swipe, and when running with -DDEBUG_LEAKING_SCALARS they | |
742 | PL_curcop to point to a valid op from which the filename structure | |
743 | member is copied. */ | |
744 | PL_curcop = &PL_compiling; | |
3280af22 | 745 | if (PL_main_root) { |
4e380990 DM |
746 | /* ensure comppad/curpad to refer to main's pad */ |
747 | if (CvPADLIST(PL_main_cv)) { | |
748 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
749 | } | |
3280af22 | 750 | op_free(PL_main_root); |
5f66b61c | 751 | PL_main_root = NULL; |
a0d0e21e | 752 | } |
5f66b61c | 753 | PL_main_start = NULL; |
aac9d523 DM |
754 | /* note that PL_main_cv isn't usually actually freed at this point, |
755 | * due to the CvOUTSIDE refs from subs compiled within it. It will | |
756 | * get freed once all the subs are freed in sv_clean_all(), for | |
757 | * destruct_level > 0 */ | |
3280af22 | 758 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 759 | PL_main_cv = NULL; |
9ebf26ad | 760 | PL_phase = PERL_PHASE_DESTRUCT; |
ff0cee69 | 761 | |
13621cfb NIS |
762 | /* Tell PerlIO we are about to tear things apart in case |
763 | we have layers which are using resources that should | |
764 | be cleaned up now. | |
765 | */ | |
766 | ||
767 | PerlIO_destruct(aTHX); | |
768 | ||
3280af22 | 769 | if (PL_sv_objcount) { |
a0d0e21e LW |
770 | /* |
771 | * Try to destruct global references. We do this first so that the | |
772 | * destructors and destructees still exist. Some sv's might remain. | |
773 | * Non-referenced objects are on their own. | |
774 | */ | |
a0d0e21e | 775 | sv_clean_objs(); |
bf9cdc68 | 776 | PL_sv_objcount = 0; |
8990e307 LW |
777 | } |
778 | ||
5cd24f17 | 779 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 780 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 781 | PL_warnhook = NULL; |
3280af22 | 782 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 783 | PL_diehook = NULL; |
5cd24f17 | 784 | |
4b556e6c | 785 | /* call exit list functions */ |
3280af22 | 786 | while (PL_exitlistlen-- > 0) |
acfe0abc | 787 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 788 | |
3280af22 | 789 | Safefree(PL_exitlist); |
4b556e6c | 790 | |
1c4916e5 CB |
791 | PL_exitlist = NULL; |
792 | PL_exitlistlen = 0; | |
793 | ||
a3e6e81e NC |
794 | SvREFCNT_dec(PL_registered_mros); |
795 | ||
551a8b83 | 796 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
797 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
798 | * so we certainly shouldn't free it here | |
799 | */ | |
2f42fcb0 | 800 | #ifndef PERL_MICRO |
4b647fb0 | 801 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 802 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
803 | #ifdef USE_ITHREADS |
804 | /* only main thread can free environ[0] contents */ | |
805 | && PL_curinterp == aTHX | |
806 | #endif | |
807 | ) | |
808 | { | |
551a8b83 JH |
809 | I32 i; |
810 | ||
811 | for (i = 0; environ[i]; i++) | |
4b420006 | 812 | safesysfree(environ[i]); |
0631ea03 | 813 | |
4b420006 JH |
814 | /* Must use safesysfree() when working with environ. */ |
815 | safesysfree(environ); | |
551a8b83 JH |
816 | |
817 | environ = PL_origenviron; | |
818 | } | |
819 | #endif | |
2f42fcb0 | 820 | #endif /* !PERL_MICRO */ |
551a8b83 | 821 | |
30985c42 JH |
822 | if (destruct_level == 0) { |
823 | ||
824 | DEBUG_P(debprofdump()); | |
825 | ||
826 | #if defined(PERLIO_LAYERS) | |
827 | /* No more IO - including error messages ! */ | |
828 | PerlIO_cleanup(aTHX); | |
829 | #endif | |
830 | ||
831 | CopFILE_free(&PL_compiling); | |
832 | CopSTASH_free(&PL_compiling); | |
833 | ||
834 | /* The exit() function will do everything that needs doing. */ | |
835 | return STATUS_EXIT; | |
836 | } | |
837 | ||
5f8cb046 DM |
838 | #ifdef USE_ITHREADS |
839 | /* the syntax tree is shared between clones | |
840 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
841 | * REGEXPs in the parent interpreter | |
842 | * we need to manually ReREFCNT_dec for the clones | |
843 | */ | |
5f8cb046 | 844 | SvREFCNT_dec(PL_regex_padav); |
7d49f689 | 845 | PL_regex_padav = NULL; |
5f8cb046 DM |
846 | PL_regex_pad = NULL; |
847 | #endif | |
848 | ||
ad64d0ec | 849 | SvREFCNT_dec(MUTABLE_SV(PL_stashcache)); |
081fc587 AB |
850 | PL_stashcache = NULL; |
851 | ||
5f05dabc | 852 | /* loosen bonds of global variables */ |
853 | ||
2f9285f8 DM |
854 | /* XXX can PL_parser still be non-null here? */ |
855 | if(PL_parser && PL_parser->rsfp) { | |
856 | (void)PerlIO_close(PL_parser->rsfp); | |
857 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 858 | } |
859 | ||
84386e14 RGS |
860 | if (PL_minus_F) { |
861 | Safefree(PL_splitstr); | |
862 | PL_splitstr = NULL; | |
863 | } | |
864 | ||
8ebc5c01 | 865 | /* switches */ |
3280af22 NIS |
866 | PL_minus_n = FALSE; |
867 | PL_minus_p = FALSE; | |
868 | PL_minus_l = FALSE; | |
869 | PL_minus_a = FALSE; | |
870 | PL_minus_F = FALSE; | |
871 | PL_doswitches = FALSE; | |
599cee73 | 872 | PL_dowarn = G_WARN_OFF; |
3280af22 | 873 | PL_sawampersand = FALSE; /* must save all match strings */ |
3280af22 NIS |
874 | PL_unsafe = FALSE; |
875 | ||
876 | Safefree(PL_inplace); | |
bd61b366 | 877 | PL_inplace = NULL; |
a7cb1f99 | 878 | SvREFCNT_dec(PL_patchlevel); |
1e8125c6 | 879 | SvREFCNT_dec(PL_apiversion); |
3280af22 NIS |
880 | |
881 | if (PL_e_script) { | |
882 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 883 | PL_e_script = NULL; |
8ebc5c01 | 884 | } |
885 | ||
bf9cdc68 RG |
886 | PL_perldb = 0; |
887 | ||
8ebc5c01 | 888 | /* magical thingies */ |
889 | ||
e23d9e2f CS |
890 | SvREFCNT_dec(PL_ofsgv); /* *, */ |
891 | PL_ofsgv = NULL; | |
5f05dabc | 892 | |
7889fe52 | 893 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 894 | PL_ors_sv = NULL; |
8ebc5c01 | 895 | |
3280af22 | 896 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 897 | PL_rs = NULL; |
dc92893f | 898 | |
d33b2eba | 899 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 900 | PL_osname = NULL; |
5f05dabc | 901 | |
3280af22 | 902 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
903 | PL_statname = NULL; |
904 | PL_statgv = NULL; | |
5f05dabc | 905 | |
8ebc5c01 | 906 | /* defgv, aka *_ should be taken care of elsewhere */ |
907 | ||
8ebc5c01 | 908 | /* clean up after study() */ |
3280af22 | 909 | SvREFCNT_dec(PL_lastscream); |
a0714e2c | 910 | PL_lastscream = NULL; |
3280af22 NIS |
911 | Safefree(PL_screamfirst); |
912 | PL_screamfirst = 0; | |
913 | Safefree(PL_screamnext); | |
914 | PL_screamnext = 0; | |
8ebc5c01 | 915 | |
7d5ea4e7 GS |
916 | /* float buffer */ |
917 | Safefree(PL_efloatbuf); | |
bd61b366 | 918 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
919 | PL_efloatsize = 0; |
920 | ||
8ebc5c01 | 921 | /* startup and shutdown function lists */ |
3280af22 | 922 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 923 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 924 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 925 | SvREFCNT_dec(PL_checkav); |
ece599bd | 926 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
927 | SvREFCNT_dec(PL_unitcheckav); |
928 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 929 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
930 | PL_beginav = NULL; |
931 | PL_beginav_save = NULL; | |
932 | PL_endav = NULL; | |
933 | PL_checkav = NULL; | |
934 | PL_checkav_save = NULL; | |
3c10abe3 AG |
935 | PL_unitcheckav = NULL; |
936 | PL_unitcheckav_save = NULL; | |
7d49f689 | 937 | PL_initav = NULL; |
5618dfe8 | 938 | |
8ebc5c01 | 939 | /* shortcuts just get cleared */ |
a0714e2c SS |
940 | PL_envgv = NULL; |
941 | PL_incgv = NULL; | |
942 | PL_hintgv = NULL; | |
943 | PL_errgv = NULL; | |
944 | PL_argvgv = NULL; | |
945 | PL_argvoutgv = NULL; | |
946 | PL_stdingv = NULL; | |
947 | PL_stderrgv = NULL; | |
948 | PL_last_in_gv = NULL; | |
949 | PL_replgv = NULL; | |
950 | PL_DBgv = NULL; | |
951 | PL_DBline = NULL; | |
952 | PL_DBsub = NULL; | |
953 | PL_DBsingle = NULL; | |
954 | PL_DBtrace = NULL; | |
955 | PL_DBsignal = NULL; | |
601f1833 | 956 | PL_DBcv = NULL; |
7d49f689 | 957 | PL_dbargs = NULL; |
5c284bb0 | 958 | PL_debstash = NULL; |
8ebc5c01 | 959 | |
7a1c5554 | 960 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 961 | PL_argvout_stack = NULL; |
8ebc5c01 | 962 | |
5c831c24 | 963 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 964 | PL_modglobal = NULL; |
5c831c24 | 965 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 966 | PL_preambleav = NULL; |
5c831c24 | 967 | SvREFCNT_dec(PL_subname); |
a0714e2c | 968 | PL_subname = NULL; |
ca0c25f6 | 969 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 970 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 971 | PL_pidstatus = NULL; |
ca0c25f6 | 972 | #endif |
5c831c24 | 973 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 974 | PL_toptarget = NULL; |
5c831c24 | 975 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
976 | PL_bodytarget = NULL; |
977 | PL_formtarget = NULL; | |
5c831c24 | 978 | |
d33b2eba | 979 | /* free locale stuff */ |
b9582b6a | 980 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 981 | Safefree(PL_collation_name); |
bd61b366 | 982 | PL_collation_name = NULL; |
b9582b6a | 983 | #endif |
d33b2eba | 984 | |
b9582b6a | 985 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 986 | Safefree(PL_numeric_name); |
bd61b366 | 987 | PL_numeric_name = NULL; |
a453c169 | 988 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 989 | PL_numeric_radix_sv = NULL; |
b9582b6a | 990 | #endif |
d33b2eba | 991 | |
5c831c24 GS |
992 | /* clear utf8 character classes */ |
993 | SvREFCNT_dec(PL_utf8_alnum); | |
5c831c24 GS |
994 | SvREFCNT_dec(PL_utf8_ascii); |
995 | SvREFCNT_dec(PL_utf8_alpha); | |
996 | SvREFCNT_dec(PL_utf8_space); | |
997 | SvREFCNT_dec(PL_utf8_cntrl); | |
998 | SvREFCNT_dec(PL_utf8_graph); | |
999 | SvREFCNT_dec(PL_utf8_digit); | |
1000 | SvREFCNT_dec(PL_utf8_upper); | |
1001 | SvREFCNT_dec(PL_utf8_lower); | |
1002 | SvREFCNT_dec(PL_utf8_print); | |
1003 | SvREFCNT_dec(PL_utf8_punct); | |
1004 | SvREFCNT_dec(PL_utf8_xdigit); | |
1005 | SvREFCNT_dec(PL_utf8_mark); | |
1006 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1007 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1008 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1009 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1010 | SvREFCNT_dec(PL_utf8_idstart); |
1011 | SvREFCNT_dec(PL_utf8_idcont); | |
2726813d | 1012 | SvREFCNT_dec(PL_utf8_foldclosures); |
a0714e2c | 1013 | PL_utf8_alnum = NULL; |
a0714e2c SS |
1014 | PL_utf8_ascii = NULL; |
1015 | PL_utf8_alpha = NULL; | |
1016 | PL_utf8_space = NULL; | |
1017 | PL_utf8_cntrl = NULL; | |
1018 | PL_utf8_graph = NULL; | |
1019 | PL_utf8_digit = NULL; | |
1020 | PL_utf8_upper = NULL; | |
1021 | PL_utf8_lower = NULL; | |
1022 | PL_utf8_print = NULL; | |
1023 | PL_utf8_punct = NULL; | |
1024 | PL_utf8_xdigit = NULL; | |
1025 | PL_utf8_mark = NULL; | |
1026 | PL_utf8_toupper = NULL; | |
1027 | PL_utf8_totitle = NULL; | |
1028 | PL_utf8_tolower = NULL; | |
1029 | PL_utf8_tofold = NULL; | |
1030 | PL_utf8_idstart = NULL; | |
1031 | PL_utf8_idcont = NULL; | |
2726813d | 1032 | PL_utf8_foldclosures = NULL; |
5c831c24 | 1033 | |
971a9dd3 | 1034 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1035 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1036 | PL_compiling.cop_warnings = NULL; |
20439bc7 Z |
1037 | cophh_free(CopHINTHASH_get(&PL_compiling)); |
1038 | CopHINTHASH_set(&PL_compiling, cophh_new_empty()); | |
05ec9bb3 NIS |
1039 | CopFILE_free(&PL_compiling); |
1040 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 1041 | |
a0d0e21e | 1042 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1043 | |
3280af22 | 1044 | hv = PL_defstash; |
ca556bcd DM |
1045 | /* break ref loop *:: <=> %:: */ |
1046 | (void)hv_delete(hv, "main::", 6, G_DISCARD); | |
3280af22 | 1047 | PL_defstash = 0; |
a0d0e21e | 1048 | SvREFCNT_dec(hv); |
5c831c24 | 1049 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1050 | PL_curstname = NULL; |
a0d0e21e | 1051 | |
5a844595 GS |
1052 | /* clear queued errors */ |
1053 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1054 | PL_errors = NULL; |
5a844595 | 1055 | |
dd69841b BB |
1056 | SvREFCNT_dec(PL_isarev); |
1057 | ||
a0d0e21e | 1058 | FREETMPS; |
9b387841 | 1059 | if (destruct_level >= 2) { |
3280af22 | 1060 | if (PL_scopestack_ix != 0) |
9b387841 NC |
1061 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1062 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", | |
1063 | (long)PL_scopestack_ix); | |
3280af22 | 1064 | if (PL_savestack_ix != 0) |
9b387841 NC |
1065 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL), |
1066 | "Unbalanced saves: %ld more saves than restores\n", | |
1067 | (long)PL_savestack_ix); | |
3280af22 | 1068 | if (PL_tmps_floor != -1) |
9b387841 NC |
1069 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
1070 | (long)PL_tmps_floor + 1); | |
a0d0e21e | 1071 | if (cxstack_ix != -1) |
9b387841 NC |
1072 | Perl_ck_warner_d(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
1073 | (long)cxstack_ix + 1); | |
a0d0e21e | 1074 | } |
8990e307 | 1075 | |
776df701 | 1076 | #ifdef PERL_IMPLICIT_CONTEXT |
57bb2458 JH |
1077 | /* the entries in this list are allocated via SV PVX's, so get freed |
1078 | * in sv_clean_all */ | |
1079 | Safefree(PL_my_cxt_list); | |
776df701 | 1080 | #endif |
57bb2458 | 1081 | |
8990e307 | 1082 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
5226ed68 JH |
1083 | |
1084 | /* the 2 is for PL_fdpid and PL_strtab */ | |
d17ea597 | 1085 | while (sv_clean_all() > 2) |
5226ed68 JH |
1086 | ; |
1087 | ||
d4777f27 GS |
1088 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1089 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1090 | PL_fdpid = NULL; |
d33b2eba | 1091 | |
6c644e78 GS |
1092 | #ifdef HAVE_INTERP_INTERN |
1093 | sys_intern_clear(); | |
1094 | #endif | |
1095 | ||
6e72f9df | 1096 | /* Destruct the global string table. */ |
1097 | { | |
1098 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1099 | * so that sv_free() won't fail on them. | |
80459961 NC |
1100 | * Now that the global string table is using a single hunk of memory |
1101 | * for both HE and HEK, we either need to explicitly unshare it the | |
1102 | * correct way, or actually free things here. | |
6e72f9df | 1103 | */ |
80459961 NC |
1104 | I32 riter = 0; |
1105 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1106 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1107 | HE *hent = array[0]; |
1108 | ||
6e72f9df | 1109 | for (;;) { |
0453d815 | 1110 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1111 | HE * const next = HeNEXT(hent); |
9014280d | 1112 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1113 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1114 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1115 | Safefree(hent); |
1116 | hent = next; | |
6e72f9df | 1117 | } |
1118 | if (!hent) { | |
1119 | if (++riter > max) | |
1120 | break; | |
1121 | hent = array[riter]; | |
1122 | } | |
1123 | } | |
80459961 NC |
1124 | |
1125 | Safefree(array); | |
1126 | HvARRAY(PL_strtab) = 0; | |
1127 | HvTOTALKEYS(PL_strtab) = 0; | |
6e72f9df | 1128 | } |
3280af22 | 1129 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1130 | |
e652bb2f | 1131 | #ifdef USE_ITHREADS |
c21d1a0f | 1132 | /* free the pointer tables used for cloning */ |
a0739874 | 1133 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1134 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1135 | #endif |
a0739874 | 1136 | |
d33b2eba GS |
1137 | /* free special SVs */ |
1138 | ||
1139 | SvREFCNT(&PL_sv_yes) = 0; | |
1140 | sv_clear(&PL_sv_yes); | |
1141 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1142 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1143 | |
1144 | SvREFCNT(&PL_sv_no) = 0; | |
1145 | sv_clear(&PL_sv_no); | |
1146 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1147 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1148 | |
9f375a43 DM |
1149 | { |
1150 | int i; | |
1151 | for (i=0; i<=2; i++) { | |
1152 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1153 | sv_clear(PERL_DEBUG_PAD(i)); | |
1154 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1155 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1156 | } | |
1157 | } | |
1158 | ||
0453d815 | 1159 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1160 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1161 | |
eba0f806 DM |
1162 | #ifdef DEBUG_LEAKING_SCALARS |
1163 | if (PL_sv_count != 0) { | |
1164 | SV* sva; | |
1165 | SV* sv; | |
1166 | register SV* svend; | |
1167 | ||
ad64d0ec | 1168 | for (sva = PL_sv_arenaroot; sva; sva = MUTABLE_SV(SvANY(sva))) { |
eba0f806 DM |
1169 | svend = &sva[SvREFCNT(sva)]; |
1170 | for (sv = sva + 1; sv < svend; ++sv) { | |
1171 | if (SvTYPE(sv) != SVTYPEMASK) { | |
a548cda8 | 1172 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1173 | " flags=0x%"UVxf |
fd0854ff | 1174 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
cd676548 DM |
1175 | "\tallocated at %s:%d %s %s (parent 0x%"UVxf");" |
1176 | "serial %"UVuf"\n", | |
574b8821 NC |
1177 | (void*)sv, (UV)sv->sv_flags, (UV)sv->sv_refcnt |
1178 | pTHX__VALUE, | |
fd0854ff DM |
1179 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1180 | sv->sv_debug_line, | |
1181 | sv->sv_debug_inpad ? "for" : "by", | |
1182 | sv->sv_debug_optype ? | |
1183 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
cd676548 | 1184 | PTR2UV(sv->sv_debug_parent), |
cbe56f1d | 1185 | sv->sv_debug_serial |
fd0854ff | 1186 | ); |
2aa47728 | 1187 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1188 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1189 | #endif |
eba0f806 DM |
1190 | } |
1191 | } | |
1192 | } | |
1193 | } | |
2aa47728 NC |
1194 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1195 | { | |
1196 | int status; | |
1197 | fd_set rset; | |
1198 | /* Wait for up to 4 seconds for child to terminate. | |
1199 | This seems to be the least effort way of timing out on reaping | |
1200 | its exit status. */ | |
1201 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1202 | int sock = PL_dumper_fd; |
2aa47728 NC |
1203 | |
1204 | shutdown(sock, 1); | |
1205 | FD_ZERO(&rset); | |
1206 | FD_SET(sock, &rset); | |
1207 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1208 | waitpid(child, &status, WNOHANG); | |
1209 | close(sock); | |
1210 | } | |
1211 | #endif | |
eba0f806 | 1212 | #endif |
77abb4c6 NC |
1213 | #ifdef DEBUG_LEAKING_SCALARS_ABORT |
1214 | if (PL_sv_count) | |
1215 | abort(); | |
1216 | #endif | |
bf9cdc68 | 1217 | PL_sv_count = 0; |
eba0f806 | 1218 | |
f1fac472 NC |
1219 | #ifdef PERL_DEBUG_READONLY_OPS |
1220 | free(PL_slabs); | |
1221 | PL_slabs = NULL; | |
1222 | PL_slab_count = 0; | |
1223 | #endif | |
eba0f806 | 1224 | |
56a2bab7 | 1225 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1226 | /* No more IO - including error messages ! */ |
1227 | PerlIO_cleanup(aTHX); | |
1228 | #endif | |
1229 | ||
9f4bd222 | 1230 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1231 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1232 | for no arg - and will try and SvREFCNT_dec it. |
1233 | */ | |
1234 | SvREFCNT(&PL_sv_undef) = 0; | |
1235 | SvREADONLY_off(&PL_sv_undef); | |
1236 | ||
3280af22 | 1237 | Safefree(PL_origfilename); |
bd61b366 | 1238 | PL_origfilename = NULL; |
3280af22 | 1239 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1240 | PL_reg_start_tmp = (char**)NULL; |
1241 | PL_reg_start_tmpl = 0; | |
43c5f42d | 1242 | Safefree(PL_reg_curpm); |
82ba1be6 | 1243 | Safefree(PL_reg_poscache); |
dd28f7bb | 1244 | free_tied_hv_pool(); |
3280af22 | 1245 | Safefree(PL_op_mask); |
cf36064f | 1246 | Safefree(PL_psig_name); |
bf9cdc68 | 1247 | PL_psig_name = (SV**)NULL; |
d525a7b2 | 1248 | PL_psig_ptr = (SV**)NULL; |
31c91b43 LR |
1249 | { |
1250 | /* We need to NULL PL_psig_pend first, so that | |
1251 | signal handlers know not to use it */ | |
1252 | int *psig_save = PL_psig_pend; | |
1253 | PL_psig_pend = (int*)NULL; | |
1254 | Safefree(psig_save); | |
1255 | } | |
a0714e2c | 1256 | PL_formfeed = NULL; |
6e72f9df | 1257 | nuke_stacks(); |
bf9cdc68 RG |
1258 | PL_tainting = FALSE; |
1259 | PL_taint_warn = FALSE; | |
3280af22 | 1260 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1261 | PL_debug = 0; |
ac27b0f5 | 1262 | |
a0d0e21e | 1263 | DEBUG_P(debprofdump()); |
d33b2eba | 1264 | |
e5dd39fc | 1265 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1266 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1267 | #endif |
1268 | ||
612f20c3 GS |
1269 | sv_free_arenas(); |
1270 | ||
5d9a96ca DM |
1271 | while (PL_regmatch_slab) { |
1272 | regmatch_slab *s = PL_regmatch_slab; | |
1273 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1274 | Safefree(s); | |
1275 | } | |
1276 | ||
fc36a67e | 1277 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1278 | ||
3280af22 | 1279 | if (PL_mess_sv) { |
f350b448 NC |
1280 | /* we know that type == SVt_PVMG */ |
1281 | ||
9c63abab | 1282 | /* it could have accumulated taint magic */ |
f350b448 NC |
1283 | MAGIC* mg; |
1284 | MAGIC* moremagic; | |
1285 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1286 | moremagic = mg->mg_moremagic; | |
1287 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1288 | && mg->mg_len >= 0) | |
1289 | Safefree(mg->mg_ptr); | |
1290 | Safefree(mg); | |
9c63abab | 1291 | } |
f350b448 | 1292 | |
fc36a67e | 1293 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1294 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1295 | Safefree(SvANY(PL_mess_sv)); |
1296 | Safefree(PL_mess_sv); | |
a0714e2c | 1297 | PL_mess_sv = NULL; |
fc36a67e | 1298 | } |
37038d91 | 1299 | return STATUS_EXIT; |
79072805 LW |
1300 | } |
1301 | ||
954c1994 GS |
1302 | /* |
1303 | =for apidoc perl_free | |
1304 | ||
1305 | Releases a Perl interpreter. See L<perlembed>. | |
1306 | ||
1307 | =cut | |
1308 | */ | |
1309 | ||
79072805 | 1310 | void |
0cb96387 | 1311 | perl_free(pTHXx) |
79072805 | 1312 | { |
5174512c NC |
1313 | dVAR; |
1314 | ||
7918f24d NC |
1315 | PERL_ARGS_ASSERT_PERL_FREE; |
1316 | ||
c301d606 DM |
1317 | if (PL_veto_cleanup) |
1318 | return; | |
1319 | ||
7cb608b5 | 1320 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1321 | { |
1322 | /* | |
1323 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1324 | * value as we're probably hunting memory leaks then | |
1325 | */ | |
1326 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); | |
1327 | if (!s || atoi(s) == 0) { | |
4fd0a9b8 | 1328 | const U32 old_debug = PL_debug; |
55ef9aae MHM |
1329 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this |
1330 | thread at thread exit. */ | |
4fd0a9b8 NC |
1331 | if (DEBUG_m_TEST) { |
1332 | PerlIO_puts(Perl_debug_log, "Disabling memory debugging as we " | |
1333 | "free this thread's memory\n"); | |
1334 | PL_debug &= ~ DEBUG_m_FLAG; | |
1335 | } | |
55ef9aae MHM |
1336 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) |
1337 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
4fd0a9b8 | 1338 | PL_debug = old_debug; |
55ef9aae MHM |
1339 | } |
1340 | } | |
7cb608b5 NC |
1341 | #endif |
1342 | ||
acfe0abc | 1343 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1344 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1345 | { |
acfe0abc | 1346 | # ifdef NETWARE |
7af12a34 | 1347 | void *host = nw_internal_host; |
acfe0abc | 1348 | # else |
7af12a34 | 1349 | void *host = w32_internal_host; |
acfe0abc | 1350 | # endif |
7af12a34 | 1351 | PerlMem_free(aTHXx); |
acfe0abc | 1352 | # ifdef NETWARE |
7af12a34 | 1353 | nw_delete_internal_host(host); |
acfe0abc | 1354 | # else |
7af12a34 | 1355 | win32_delete_internal_host(host); |
acfe0abc | 1356 | # endif |
7af12a34 | 1357 | } |
1c0ca838 GS |
1358 | # else |
1359 | PerlMem_free(aTHXx); | |
1360 | # endif | |
acfe0abc GS |
1361 | #else |
1362 | PerlMem_free(aTHXx); | |
76e3520e | 1363 | #endif |
79072805 LW |
1364 | } |
1365 | ||
b7f7fff6 | 1366 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1367 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1368 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1369 | ||
826955bd | 1370 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1371 | #pragma fini "perl_fini" |
666ad1ec GA |
1372 | #elif defined(__sun) && !defined(__GNUC__) |
1373 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1374 | #endif |
1375 | ||
0dbb1585 AL |
1376 | static void |
1377 | #if defined(__GNUC__) | |
1378 | __attribute__((destructor)) | |
aebd1ac7 | 1379 | #endif |
de009b76 | 1380 | perl_fini(void) |
aebd1ac7 | 1381 | { |
27da23d5 | 1382 | dVAR; |
c301d606 | 1383 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1384 | FREE_THREAD_KEY; |
1385 | } | |
1386 | ||
1387 | #endif /* WIN32 */ | |
1388 | #endif /* THREADS */ | |
1389 | ||
4b556e6c | 1390 | void |
864dbfa3 | 1391 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1392 | { |
97aff369 | 1393 | dVAR; |
3280af22 NIS |
1394 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1395 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1396 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1397 | ++PL_exitlistlen; | |
4b556e6c JD |
1398 | } |
1399 | ||
56cf6df8 RGS |
1400 | #ifdef HAS_PROCSELFEXE |
1401 | /* This is a function so that we don't hold on to MAXPATHLEN | |
1402 | bytes of stack longer than necessary | |
1403 | */ | |
1404 | STATIC void | |
e1ec3a88 | 1405 | S_procself_val(pTHX_ SV *sv, const char *arg0) |
56cf6df8 RGS |
1406 | { |
1407 | char buf[MAXPATHLEN]; | |
1408 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1409 | ||
1410 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1411 | includes a spurious NUL which will cause $^X to fail in system | |
1412 | or backticks (this will prevent extensions from being built and | |
1413 | many tests from working). readlink is not meant to add a NUL. | |
1414 | Normal readlink works fine. | |
1415 | */ | |
1416 | if (len > 0 && buf[len-1] == '\0') { | |
1417 | len--; | |
1418 | } | |
1419 | ||
1420 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1421 | returning the text "unknown" from the readlink rather than the path | |
1422 | to the executable (or returning an error from the readlink). Any valid | |
1423 | path has a '/' in it somewhere, so use that to validate the result. | |
1424 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1425 | */ | |
1426 | if (len > 0 && memchr(buf, '/', len)) { | |
1427 | sv_setpvn(sv,buf,len); | |
1428 | } | |
1429 | else { | |
1430 | sv_setpv(sv,arg0); | |
1431 | } | |
1432 | } | |
1433 | #endif /* HAS_PROCSELFEXE */ | |
b7975bdd NC |
1434 | |
1435 | STATIC void | |
1436 | S_set_caret_X(pTHX) { | |
97aff369 | 1437 | dVAR; |
fafc274c | 1438 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd NC |
1439 | if (tmpgv) { |
1440 | #ifdef HAS_PROCSELFEXE | |
1441 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
1442 | #else | |
1443 | #ifdef OS2 | |
c69033f2 | 1444 | sv_setpv(GvSVn(tmpgv), os2_execname(aTHX)); |
b7975bdd | 1445 | #else |
c69033f2 | 1446 | sv_setpv(GvSVn(tmpgv),PL_origargv[0]); |
b7975bdd NC |
1447 | #endif |
1448 | #endif | |
1449 | } | |
1450 | } | |
1451 | ||
954c1994 GS |
1452 | /* |
1453 | =for apidoc perl_parse | |
1454 | ||
1455 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1456 | ||
1457 | =cut | |
1458 | */ | |
1459 | ||
79072805 | 1460 | int |
0cb96387 | 1461 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1462 | { |
27da23d5 | 1463 | dVAR; |
6224f72b | 1464 | I32 oldscope; |
6224f72b | 1465 | int ret; |
db36c5a1 | 1466 | dJMPENV; |
8d063cd8 | 1467 | |
7918f24d NC |
1468 | PERL_ARGS_ASSERT_PERL_PARSE; |
1469 | #ifndef MULTIPLICITY | |
ed6c66dd | 1470 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 1471 | #endif |
9d4ba2ae | 1472 | |
b0891165 JH |
1473 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1474 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1475 | * This MUST be done before any hash stores or fetches take place. |
486ec47a | 1476 | * If you set PL_rehash_seed (and presumably also PL_rehash_seed_set) |
008fb0c0 | 1477 | * yourself, it is your responsibility to provide a good random seed! |
830b38bd | 1478 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1479 | if (!PL_rehash_seed_set) |
1480 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1481 | { |
9d4ba2ae | 1482 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
bed60192 | 1483 | |
1b6737cc AL |
1484 | if (s && (atoi(s) == 1)) |
1485 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", PL_rehash_seed); | |
b0891165 JH |
1486 | } |
1487 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1488 | ||
3280af22 | 1489 | PL_origargc = argc; |
e2975953 | 1490 | PL_origargv = argv; |
a0d0e21e | 1491 | |
a2722ac9 GA |
1492 | if (PL_origalen != 0) { |
1493 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1494 | } | |
1495 | else { | |
3cb9023d JH |
1496 | /* Set PL_origalen be the sum of the contiguous argv[] |
1497 | * elements plus the size of the env in case that it is | |
e9137a8e | 1498 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1499 | * as the maximum modifiable length of $0. In the worst case |
1500 | * the area we are able to modify is limited to the size of | |
43c32782 | 1501 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1502 | * --jhi */ |
e1ec3a88 | 1503 | const char *s = NULL; |
54bfe034 | 1504 | int i; |
1b6737cc | 1505 | const UV mask = |
7d8e7db3 | 1506 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1507 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1508 | const UV aligned = |
43c32782 JH |
1509 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1510 | ||
1511 | /* See if all the arguments are contiguous in memory. Note | |
1512 | * that 'contiguous' is a loose term because some platforms | |
1513 | * align the argv[] and the envp[]. If the arguments look | |
1514 | * like non-aligned, assume that they are 'strictly' or | |
1515 | * 'traditionally' contiguous. If the arguments look like | |
1516 | * aligned, we just check that they are within aligned | |
1517 | * PTRSIZE bytes. As long as no system has something bizarre | |
1518 | * like the argv[] interleaved with some other data, we are | |
1519 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1520 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1521 | while (*s) s++; | |
1522 | for (i = 1; i < PL_origargc; i++) { | |
1523 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1524 | #ifdef OS2 |
c8941eeb | 1525 | || PL_origargv[i] == s + 2 |
43c32782 | 1526 | #endif |
c8941eeb JH |
1527 | ) |
1528 | || | |
1529 | (aligned && | |
1530 | (PL_origargv[i] > s && | |
1531 | PL_origargv[i] <= | |
1532 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1533 | ) | |
1534 | { | |
1535 | s = PL_origargv[i]; | |
1536 | while (*s) s++; | |
1537 | } | |
1538 | else | |
1539 | break; | |
54bfe034 | 1540 | } |
54bfe034 | 1541 | } |
a4a109c2 JD |
1542 | |
1543 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1544 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1545 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1546 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1547 | || |
1548 | (aligned && | |
1549 | (PL_origenviron[0] > s && | |
1550 | PL_origenviron[0] <= | |
1551 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1552 | ) | |
1553 | { | |
9d419b5f | 1554 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1555 | s = PL_origenviron[0]; |
1556 | while (*s) s++; | |
1557 | #endif | |
bd61b366 | 1558 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1559 | /* Force copy of environment. */ |
1560 | for (i = 1; PL_origenviron[i]; i++) { | |
1561 | if (PL_origenviron[i] == s + 1 | |
1562 | || | |
1563 | (aligned && | |
1564 | (PL_origenviron[i] > s && | |
1565 | PL_origenviron[i] <= | |
1566 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1567 | ) | |
1568 | { | |
1569 | s = PL_origenviron[i]; | |
1570 | while (*s) s++; | |
1571 | } | |
1572 | else | |
1573 | break; | |
54bfe034 | 1574 | } |
43c32782 | 1575 | } |
54bfe034 | 1576 | } |
a4a109c2 JD |
1577 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1578 | ||
2d2af554 | 1579 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1580 | } |
1581 | ||
3280af22 | 1582 | if (PL_do_undump) { |
a0d0e21e LW |
1583 | |
1584 | /* Come here if running an undumped a.out. */ | |
1585 | ||
3280af22 NIS |
1586 | PL_origfilename = savepv(argv[0]); |
1587 | PL_do_undump = FALSE; | |
a0d0e21e | 1588 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1589 | init_ids(); |
b7975bdd NC |
1590 | assert (!PL_tainted); |
1591 | TAINT; | |
1592 | S_set_caret_X(aTHX); | |
1593 | TAINT_NOT; | |
a0d0e21e LW |
1594 | init_postdump_symbols(argc,argv,env); |
1595 | return 0; | |
1596 | } | |
1597 | ||
3280af22 | 1598 | if (PL_main_root) { |
3280af22 | 1599 | op_free(PL_main_root); |
5f66b61c | 1600 | PL_main_root = NULL; |
ff0cee69 | 1601 | } |
5f66b61c | 1602 | PL_main_start = NULL; |
3280af22 | 1603 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1604 | PL_main_cv = NULL; |
79072805 | 1605 | |
3280af22 NIS |
1606 | time(&PL_basetime); |
1607 | oldscope = PL_scopestack_ix; | |
599cee73 | 1608 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1609 | |
14dd3ad8 | 1610 | JMPENV_PUSH(ret); |
6224f72b | 1611 | switch (ret) { |
312caa8e | 1612 | case 0: |
14dd3ad8 | 1613 | parse_body(env,xsinit); |
9ebf26ad | 1614 | if (PL_unitcheckav) { |
3c10abe3 | 1615 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1616 | } |
1617 | if (PL_checkav) { | |
1618 | PL_phase = PERL_PHASE_CHECK; | |
7d30b5c4 | 1619 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1620 | } |
14dd3ad8 GS |
1621 | ret = 0; |
1622 | break; | |
6224f72b GS |
1623 | case 1: |
1624 | STATUS_ALL_FAILURE; | |
1625 | /* FALL THROUGH */ | |
1626 | case 2: | |
1627 | /* my_exit() was called */ | |
3280af22 | 1628 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1629 | LEAVE; |
1630 | FREETMPS; | |
3280af22 | 1631 | PL_curstash = PL_defstash; |
9ebf26ad | 1632 | if (PL_unitcheckav) { |
3c10abe3 | 1633 | call_list(oldscope, PL_unitcheckav); |
9ebf26ad FR |
1634 | } |
1635 | if (PL_checkav) { | |
1636 | PL_phase = PERL_PHASE_CHECK; | |
7d30b5c4 | 1637 | call_list(oldscope, PL_checkav); |
9ebf26ad | 1638 | } |
37038d91 | 1639 | ret = STATUS_EXIT; |
14dd3ad8 | 1640 | break; |
6224f72b | 1641 | case 3: |
bf49b057 | 1642 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1643 | ret = 1; |
1644 | break; | |
6224f72b | 1645 | } |
14dd3ad8 GS |
1646 | JMPENV_POP; |
1647 | return ret; | |
1648 | } | |
1649 | ||
4a5df386 NC |
1650 | /* This needs to stay in perl.c, as perl.c is compiled with different flags for |
1651 | miniperl, and we need to see those flags reflected in the values here. */ | |
1652 | ||
1653 | /* What this returns is subject to change. Use the public interface in Config. | |
1654 | */ | |
1655 | static void | |
1656 | S_Internals_V(pTHX_ CV *cv) | |
1657 | { | |
1658 | dXSARGS; | |
1659 | #ifdef LOCAL_PATCH_COUNT | |
1660 | const int local_patch_count = LOCAL_PATCH_COUNT; | |
1661 | #else | |
1662 | const int local_patch_count = 0; | |
1663 | #endif | |
2dc296d2 | 1664 | const int entries = 3 + local_patch_count; |
4a5df386 NC |
1665 | int i; |
1666 | static char non_bincompat_options[] = | |
1667 | # ifdef DEBUGGING | |
1668 | " DEBUGGING" | |
1669 | # endif | |
1670 | # ifdef NO_MATHOMS | |
0d311fbe | 1671 | " NO_MATHOMS" |
4a5df386 NC |
1672 | # endif |
1673 | # ifdef PERL_DISABLE_PMC | |
1674 | " PERL_DISABLE_PMC" | |
1675 | # endif | |
1676 | # ifdef PERL_DONT_CREATE_GVSV | |
1677 | " PERL_DONT_CREATE_GVSV" | |
1678 | # endif | |
9a044a43 NC |
1679 | # ifdef PERL_EXTERNAL_GLOB |
1680 | " PERL_EXTERNAL_GLOB" | |
1681 | # endif | |
4a5df386 NC |
1682 | # ifdef PERL_IS_MINIPERL |
1683 | " PERL_IS_MINIPERL" | |
1684 | # endif | |
1685 | # ifdef PERL_MALLOC_WRAP | |
1686 | " PERL_MALLOC_WRAP" | |
1687 | # endif | |
1688 | # ifdef PERL_MEM_LOG | |
1689 | " PERL_MEM_LOG" | |
1690 | # endif | |
1691 | # ifdef PERL_MEM_LOG_NOIMPL | |
1692 | " PERL_MEM_LOG_NOIMPL" | |
1693 | # endif | |
c3cf41ec NC |
1694 | # ifdef PERL_PRESERVE_IVUV |
1695 | " PERL_PRESERVE_IVUV" | |
1696 | # endif | |
4a5df386 NC |
1697 | # ifdef PERL_USE_DEVEL |
1698 | " PERL_USE_DEVEL" | |
1699 | # endif | |
1700 | # ifdef PERL_USE_SAFE_PUTENV | |
1701 | " PERL_USE_SAFE_PUTENV" | |
1702 | # endif | |
de618ee4 NC |
1703 | # ifdef USE_ATTRIBUTES_FOR_PERLIO |
1704 | " USE_ATTRIBUTES_FOR_PERLIO" | |
1705 | # endif | |
4a5df386 NC |
1706 | # ifdef USE_FAST_STDIO |
1707 | " USE_FAST_STDIO" | |
1708 | # endif | |
5a8d8935 NC |
1709 | # ifdef USE_PERL_ATOF |
1710 | " USE_PERL_ATOF" | |
1711 | # endif | |
0d311fbe NC |
1712 | # ifdef USE_SITECUSTOMIZE |
1713 | " USE_SITECUSTOMIZE" | |
1714 | # endif | |
4a5df386 NC |
1715 | ; |
1716 | PERL_UNUSED_ARG(cv); | |
1717 | PERL_UNUSED_ARG(items); | |
1718 | ||
1719 | EXTEND(SP, entries); | |
1720 | ||
1721 | PUSHs(sv_2mortal(newSVpv(PL_bincompat_options, 0))); | |
1722 | PUSHs(Perl_newSVpvn_flags(aTHX_ non_bincompat_options, | |
1723 | sizeof(non_bincompat_options) - 1, SVs_TEMP)); | |
1724 | ||
1725 | #ifdef __DATE__ | |
1726 | # ifdef __TIME__ | |
1727 | PUSHs(Perl_newSVpvn_flags(aTHX_ | |
1728 | STR_WITH_LEN("Compiled at " __DATE__ " " __TIME__), | |
1729 | SVs_TEMP)); | |
1730 | # else | |
1731 | PUSHs(Perl_newSVpvn_flags(aTHX_ STR_WITH_LEN("Compiled on " __DATE__), | |
1732 | SVs_TEMP)); | |
1733 | # endif | |
1734 | #else | |
1735 | PUSHs(&PL_sv_undef); | |
1736 | #endif | |
1737 | ||
4a5df386 NC |
1738 | for (i = 1; i <= local_patch_count; i++) { |
1739 | /* This will be an undef, if PL_localpatches[i] is NULL. */ | |
1740 | PUSHs(sv_2mortal(newSVpv(PL_localpatches[i], 0))); | |
1741 | } | |
1742 | ||
1743 | XSRETURN(entries); | |
1744 | } | |
1745 | ||
be71fc8f NC |
1746 | #define INCPUSH_UNSHIFT 0x01 |
1747 | #define INCPUSH_ADD_OLD_VERS 0x02 | |
1748 | #define INCPUSH_ADD_VERSIONED_SUB_DIRS 0x04 | |
1749 | #define INCPUSH_ADD_ARCHONLY_SUB_DIRS 0x08 | |
1750 | #define INCPUSH_NOT_BASEDIR 0x10 | |
1751 | #define INCPUSH_CAN_RELOCATE 0x20 | |
1e3208d8 NC |
1752 | #define INCPUSH_ADD_SUB_DIRS \ |
1753 | (INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_ADD_ARCHONLY_SUB_DIRS) | |
e28f3139 | 1754 | |
312caa8e | 1755 | STATIC void * |
14dd3ad8 | 1756 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1757 | { |
27da23d5 | 1758 | dVAR; |
2f9285f8 | 1759 | PerlIO *rsfp; |
312caa8e | 1760 | int argc = PL_origargc; |
8f42b153 | 1761 | char **argv = PL_origargv; |
e1ec3a88 | 1762 | const char *scriptname = NULL; |
312caa8e | 1763 | VOL bool dosearch = FALSE; |
c7030b81 | 1764 | register char c; |
737c24fc | 1765 | bool doextract = FALSE; |
bd61b366 | 1766 | const char *cddir = NULL; |
ab019eaa | 1767 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1768 | bool minus_f = FALSE; |
ab019eaa | 1769 | #endif |
009d90df | 1770 | SV *linestr_sv = newSV_type(SVt_PVIV); |
5486870f | 1771 | bool add_read_e_script = FALSE; |
009d90df | 1772 | |
9ebf26ad FR |
1773 | PL_phase = PERL_PHASE_START; |
1774 | ||
009d90df | 1775 | SvGROW(linestr_sv, 80); |
76f68e9b | 1776 | sv_setpvs(linestr_sv,""); |
312caa8e | 1777 | |
6224f72b | 1778 | init_main_stash(); |
54310121 | 1779 | |
c7030b81 NC |
1780 | { |
1781 | const char *s; | |
6224f72b GS |
1782 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1783 | if (argv[0][0] != '-' || !argv[0][1]) | |
1784 | break; | |
6224f72b GS |
1785 | s = argv[0]+1; |
1786 | reswitch: | |
47f56822 | 1787 | switch ((c = *s)) { |
729a02f2 | 1788 | case 'C': |
1d5472a9 GS |
1789 | #ifndef PERL_STRICT_CR |
1790 | case '\r': | |
1791 | #endif | |
6224f72b GS |
1792 | case ' ': |
1793 | case '0': | |
1794 | case 'F': | |
1795 | case 'a': | |
1796 | case 'c': | |
1797 | case 'd': | |
1798 | case 'D': | |
1799 | case 'h': | |
1800 | case 'i': | |
1801 | case 'l': | |
1802 | case 'M': | |
1803 | case 'm': | |
1804 | case 'n': | |
1805 | case 'p': | |
1806 | case 's': | |
1807 | case 'u': | |
1808 | case 'U': | |
1809 | case 'v': | |
599cee73 PM |
1810 | case 'W': |
1811 | case 'X': | |
6224f72b | 1812 | case 'w': |
97bd5664 | 1813 | if ((s = moreswitches(s))) |
6224f72b GS |
1814 | goto reswitch; |
1815 | break; | |
33b78306 | 1816 | |
1dbad523 | 1817 | case 't': |
22f7c9c9 | 1818 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1819 | if( !PL_tainting ) { |
1820 | PL_taint_warn = TRUE; | |
1821 | PL_tainting = TRUE; | |
1822 | } | |
1823 | s++; | |
1824 | goto reswitch; | |
6224f72b | 1825 | case 'T': |
22f7c9c9 | 1826 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1827 | PL_tainting = TRUE; |
317ea90d | 1828 | PL_taint_warn = FALSE; |
6224f72b GS |
1829 | s++; |
1830 | goto reswitch; | |
f86702cc | 1831 | |
bc9b29db RH |
1832 | case 'E': |
1833 | PL_minus_E = TRUE; | |
1834 | /* FALL THROUGH */ | |
6224f72b | 1835 | case 'e': |
f20b2998 | 1836 | forbid_setid('e', FALSE); |
3280af22 | 1837 | if (!PL_e_script) { |
396482e1 | 1838 | PL_e_script = newSVpvs(""); |
5486870f | 1839 | add_read_e_script = TRUE; |
6224f72b GS |
1840 | } |
1841 | if (*++s) | |
3280af22 | 1842 | sv_catpv(PL_e_script, s); |
6224f72b | 1843 | else if (argv[1]) { |
3280af22 | 1844 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1845 | argc--,argv++; |
1846 | } | |
1847 | else | |
47f56822 | 1848 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1849 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1850 | break; |
afe37c7d | 1851 | |
20ef40cf | 1852 | case 'f': |
f5542d3a | 1853 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1854 | minus_f = TRUE; |
f5542d3a | 1855 | #endif |
20ef40cf GA |
1856 | s++; |
1857 | goto reswitch; | |
1858 | ||
6224f72b | 1859 | case 'I': /* -I handled both here and in moreswitches() */ |
f20b2998 | 1860 | forbid_setid('I', FALSE); |
bd61b366 | 1861 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1862 | argc--,argv++; |
1863 | } | |
6224f72b | 1864 | if (s && *s) { |
0df16ed7 | 1865 | STRLEN len = strlen(s); |
55b4bc1c | 1866 | incpush(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS); |
0df16ed7 GS |
1867 | } |
1868 | else | |
a67e862a | 1869 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b | 1870 | break; |
6224f72b | 1871 | case 'S': |
f20b2998 | 1872 | forbid_setid('S', FALSE); |
6224f72b GS |
1873 | dosearch = TRUE; |
1874 | s++; | |
1875 | goto reswitch; | |
1876 | case 'V': | |
7edfd0ef NC |
1877 | { |
1878 | SV *opts_prog; | |
1879 | ||
7edfd0ef | 1880 | if (*++s != ':') { |
37ca4a5b | 1881 | opts_prog = newSVpvs("use Config; Config::_V()"); |
7edfd0ef NC |
1882 | } |
1883 | else { | |
1884 | ++s; | |
1885 | opts_prog = Perl_newSVpvf(aTHX_ | |
37ca4a5b | 1886 | "use Config; Config::config_vars(qw%c%s%c)", |
7edfd0ef NC |
1887 | 0, s, 0); |
1888 | s += strlen(s); | |
1889 | } | |
37ca4a5b | 1890 | Perl_av_create_and_push(aTHX_ &PL_preambleav, opts_prog); |
7edfd0ef NC |
1891 | /* don't look for script or read stdin */ |
1892 | scriptname = BIT_BUCKET; | |
1893 | goto reswitch; | |
6224f72b | 1894 | } |
6224f72b | 1895 | case 'x': |
737c24fc | 1896 | doextract = TRUE; |
6224f72b | 1897 | s++; |
304334da | 1898 | if (*s) |
f4c556ac | 1899 | cddir = s; |
6224f72b GS |
1900 | break; |
1901 | case 0: | |
1902 | break; | |
1903 | case '-': | |
1904 | if (!*++s || isSPACE(*s)) { | |
1905 | argc--,argv++; | |
1906 | goto switch_end; | |
1907 | } | |
1908 | /* catch use of gnu style long options */ | |
1909 | if (strEQ(s, "version")) { | |
dd374669 | 1910 | s = (char *)"v"; |
6224f72b GS |
1911 | goto reswitch; |
1912 | } | |
1913 | if (strEQ(s, "help")) { | |
dd374669 | 1914 | s = (char *)"h"; |
6224f72b GS |
1915 | goto reswitch; |
1916 | } | |
1917 | s--; | |
1918 | /* FALL THROUGH */ | |
1919 | default: | |
cea2e8a9 | 1920 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1921 | } |
1922 | } | |
c7030b81 NC |
1923 | } |
1924 | ||
6224f72b | 1925 | switch_end: |
54310121 | 1926 | |
c7030b81 NC |
1927 | { |
1928 | char *s; | |
1929 | ||
f675dbe5 CB |
1930 | if ( |
1931 | #ifndef SECURE_INTERNAL_GETENV | |
1932 | !PL_tainting && | |
1933 | #endif | |
cf756827 | 1934 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1935 | { |
74288ac8 GS |
1936 | while (isSPACE(*s)) |
1937 | s++; | |
317ea90d | 1938 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1939 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1940 | PL_tainting = TRUE; |
317ea90d MS |
1941 | PL_taint_warn = FALSE; |
1942 | } | |
74288ac8 | 1943 | else { |
bd61b366 | 1944 | char *popt_copy = NULL; |
74288ac8 | 1945 | while (s && *s) { |
54913509 | 1946 | const char *d; |
74288ac8 GS |
1947 | while (isSPACE(*s)) |
1948 | s++; | |
1949 | if (*s == '-') { | |
1950 | s++; | |
1951 | if (isSPACE(*s)) | |
1952 | continue; | |
1953 | } | |
4ea8f8fb | 1954 | d = s; |
74288ac8 GS |
1955 | if (!*s) |
1956 | break; | |
2b622f1a | 1957 | if (!strchr("CDIMUdmtwW", *s)) |
cea2e8a9 | 1958 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1959 | while (++s && *s) { |
1960 | if (isSPACE(*s)) { | |
cf756827 | 1961 | if (!popt_copy) { |
bfa6c418 NC |
1962 | popt_copy = SvPVX(sv_2mortal(newSVpv(d,0))); |
1963 | s = popt_copy + (s - d); | |
1964 | d = popt_copy; | |
cf756827 | 1965 | } |
4ea8f8fb MS |
1966 | *s++ = '\0'; |
1967 | break; | |
1968 | } | |
1969 | } | |
1c4db469 | 1970 | if (*d == 't') { |
317ea90d MS |
1971 | if( !PL_tainting ) { |
1972 | PL_taint_warn = TRUE; | |
1973 | PL_tainting = TRUE; | |
1974 | } | |
1c4db469 | 1975 | } else { |
97bd5664 | 1976 | moreswitches(d); |
1c4db469 | 1977 | } |
6224f72b | 1978 | } |
6224f72b GS |
1979 | } |
1980 | } | |
c7030b81 | 1981 | } |
a0d0e21e | 1982 | |
43c0c913 | 1983 | #if defined(USE_SITECUSTOMIZE) |
20ef40cf | 1984 | if (!minus_f) { |
43c0c913 | 1985 | /* The games with local $! are to avoid setting errno if there is no |
404ad9dc | 1986 | sitecustomize script. */ |
43c0c913 NC |
1987 | # ifdef PERL_IS_MINIPERL |
1988 | AV *const inc = GvAV(PL_incgv); | |
1989 | SV **const inc0 = inc ? av_fetch(inc, 0, FALSE) : NULL; | |
1990 | ||
1991 | if (inc0) { | |
1992 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, | |
1993 | Perl_newSVpvf(aTHX_ | |
1994 | "BEGIN { do {local $!; -f '%"SVf"/buildcustomize.pl'} && do '%"SVf"/buildcustomize.pl' }", *inc0, *inc0)); | |
1995 | } | |
1996 | # else | |
1997 | /* SITELIB_EXP is a function call on Win32. */ | |
404ad9dc | 1998 | const char *const sitelib = SITELIB_EXP; |
29a861e7 | 1999 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
404ad9dc NC |
2000 | Perl_newSVpvf(aTHX_ |
2001 | "BEGIN { do {local $!; -f '%s/sitecustomize.pl'} && do '%s/sitecustomize.pl' }", sitelib, sitelib)); | |
43c0c913 | 2002 | # endif |
20ef40cf GA |
2003 | } |
2004 | #endif | |
2005 | ||
6224f72b GS |
2006 | if (!scriptname) |
2007 | scriptname = argv[0]; | |
3280af22 | 2008 | if (PL_e_script) { |
6224f72b GS |
2009 | argc++,argv--; |
2010 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2011 | } | |
bd61b366 | 2012 | else if (scriptname == NULL) { |
6224f72b GS |
2013 | #ifdef MSDOS |
2014 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2015 | moreswitches("h"); |
6224f72b GS |
2016 | #endif |
2017 | scriptname = "-"; | |
2018 | } | |
2019 | ||
b7975bdd NC |
2020 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2021 | assert (!PL_tainted); | |
2022 | TAINT; | |
2023 | S_set_caret_X(aTHX); | |
2024 | TAINT_NOT; | |
2cace6ac | 2025 | init_perllib(); |
6224f72b | 2026 | |
a52eba0e | 2027 | { |
f20b2998 | 2028 | bool suidscript = FALSE; |
829372d3 | 2029 | |
cc69b689 | 2030 | open_script(scriptname, dosearch, &suidscript, &rsfp); |
6224f72b | 2031 | |
2f9285f8 | 2032 | validate_suid(validarg, scriptname, fdscript, suidscript, |
cc69b689 | 2033 | linestr_sv, rsfp); |
6224f72b | 2034 | |
64ca3a65 | 2035 | #ifndef PERL_MICRO |
a52eba0e NC |
2036 | # if defined(SIGCHLD) || defined(SIGCLD) |
2037 | { | |
2038 | # ifndef SIGCHLD | |
2039 | # define SIGCHLD SIGCLD | |
2040 | # endif | |
2041 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2042 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
a2a5de95 NC |
2043 | Perl_ck_warner(aTHX_ packWARN(WARN_SIGNAL), |
2044 | "Can't ignore signal CHLD, forcing to default"); | |
a52eba0e NC |
2045 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); |
2046 | } | |
0b5b802d | 2047 | } |
a52eba0e | 2048 | # endif |
64ca3a65 | 2049 | #endif |
0b5b802d | 2050 | |
737c24fc | 2051 | if (doextract) { |
faef540c | 2052 | |
f20b2998 | 2053 | /* This will croak if suidscript is true, as -x cannot be used with |
faef540c NC |
2054 | setuid scripts. */ |
2055 | forbid_setid('x', suidscript); | |
f20b2998 | 2056 | /* Hence you can't get here if suidscript is true */ |
faef540c | 2057 | |
2f9285f8 | 2058 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2059 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2060 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2061 | } | |
f4c556ac | 2062 | } |
6224f72b | 2063 | |
ea726b52 | 2064 | PL_main_cv = PL_compcv = MUTABLE_CV(newSV_type(SVt_PVCV)); |
3280af22 NIS |
2065 | CvUNIQUE_on(PL_compcv); |
2066 | ||
dd2155a4 | 2067 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2068 | |
dd69841b BB |
2069 | PL_isarev = newHV(); |
2070 | ||
0c4f7ff0 | 2071 | boot_core_PerlIO(); |
6224f72b | 2072 | boot_core_UNIVERSAL(); |
e1a479c5 | 2073 | boot_core_mro(); |
4a5df386 | 2074 | newXS("Internals::V", S_Internals_V, __FILE__); |
6224f72b GS |
2075 | |
2076 | if (xsinit) | |
acfe0abc | 2077 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2078 | #ifndef PERL_MICRO |
d0d72822 | 2079 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) || defined(SYMBIAN) |
c5be433b | 2080 | init_os_extras(); |
6224f72b | 2081 | #endif |
64ca3a65 | 2082 | #endif |
6224f72b | 2083 | |
29209bc5 | 2084 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2085 | # ifdef HAS_SOCKS5_INIT |
2086 | socks5_init(argv[0]); | |
2087 | # else | |
29209bc5 | 2088 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2089 | # endif |
ac27b0f5 | 2090 | #endif |
29209bc5 | 2091 | |
6224f72b GS |
2092 | init_predump_symbols(); |
2093 | /* init_postdump_symbols not currently designed to be called */ | |
2094 | /* more than once (ENV isn't cleared first, for example) */ | |
2095 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2096 | if (!PL_do_undump) |
6224f72b GS |
2097 | init_postdump_symbols(argc,argv,env); |
2098 | ||
27da23d5 JH |
2099 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2100 | * or explicitly in some platforms. | |
085a54d9 | 2101 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2102 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2103 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2104 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2105 | #endif | |
e27b5b51 | 2106 | # ifndef PERL_IS_MINIPERL |
06e66572 JH |
2107 | if (PL_unicode) { |
2108 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2109 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2110 | IO* io; |
2111 | PerlIO* fp; | |
2112 | SV* sv; | |
2113 | ||
a05d7ebb | 2114 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2115 | * and the default open disciplines. */ |
a05d7ebb JH |
2116 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2117 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2118 | (fp = IoIFP(io))) | |
2119 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2120 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2121 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2122 | (fp = IoOFP(io))) | |
2123 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2124 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2125 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2126 | (fp = IoOFP(io))) | |
2127 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2128 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2129 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2130 | SVt_PV)))) { | |
a05d7ebb JH |
2131 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2132 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2133 | if (in) { | |
2134 | if (out) | |
76f68e9b | 2135 | sv_setpvs(sv, ":utf8\0:utf8"); |
a05d7ebb | 2136 | else |
76f68e9b | 2137 | sv_setpvs(sv, ":utf8\0"); |
a05d7ebb JH |
2138 | } |
2139 | else if (out) | |
76f68e9b | 2140 | sv_setpvs(sv, "\0:utf8"); |
a05d7ebb JH |
2141 | SvSETMAGIC(sv); |
2142 | } | |
b310b053 JH |
2143 | } |
2144 | } | |
e27b5b51 | 2145 | #endif |
b310b053 | 2146 | |
c7030b81 NC |
2147 | { |
2148 | const char *s; | |
4ffa73a3 JH |
2149 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2150 | if (strEQ(s, "unsafe")) | |
2151 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2152 | else if (strEQ(s, "safe")) | |
2153 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2154 | else | |
2155 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2156 | } | |
c7030b81 | 2157 | } |
4ffa73a3 | 2158 | |
81d86705 | 2159 | #ifdef PERL_MAD |
c7030b81 NC |
2160 | { |
2161 | const char *s; | |
81d86705 NC |
2162 | if ((s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
2163 | PL_madskills = 1; | |
2164 | PL_minus_c = 1; | |
2165 | if (!s || !s[0]) | |
2166 | PL_xmlfp = PerlIO_stdout(); | |
2167 | else { | |
2168 | PL_xmlfp = PerlIO_open(s, "w"); | |
2169 | if (!PL_xmlfp) | |
2170 | Perl_croak(aTHX_ "Can't open %s", s); | |
2171 | } | |
1a9a51d4 | 2172 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2173 | } |
c7030b81 NC |
2174 | } |
2175 | ||
2176 | { | |
2177 | const char *s; | |
81d86705 NC |
2178 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2179 | PL_madskills = atoi(s); | |
1a9a51d4 | 2180 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2181 | } |
c7030b81 | 2182 | } |
81d86705 NC |
2183 | #endif |
2184 | ||
8eaa0acf | 2185 | lex_start(linestr_sv, rsfp, 0); |
219f7226 | 2186 | PL_subname = newSVpvs("main"); |
6224f72b | 2187 | |
5486870f DM |
2188 | if (add_read_e_script) |
2189 | filter_add(read_e_script, NULL); | |
2190 | ||
6224f72b GS |
2191 | /* now parse the script */ |
2192 | ||
93189314 | 2193 | SETERRNO(0,SS_NORMAL); |
28ac2b49 | 2194 | if (yyparse(GRAMPROG) || PL_parser->error_count) { |
3280af22 | 2195 | if (PL_minus_c) |
cea2e8a9 | 2196 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2197 | else { |
cea2e8a9 | 2198 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2199 | PL_origfilename); |
6224f72b GS |
2200 | } |
2201 | } | |
57843af0 | 2202 | CopLINE_set(PL_curcop, 0); |
3280af22 | 2203 | PL_curstash = PL_defstash; |
3280af22 NIS |
2204 | if (PL_e_script) { |
2205 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2206 | PL_e_script = NULL; |
6224f72b GS |
2207 | } |
2208 | ||
3280af22 | 2209 | if (PL_do_undump) |
6224f72b GS |
2210 | my_unexec(); |
2211 | ||
57843af0 GS |
2212 | if (isWARN_ONCE) { |
2213 | SAVECOPFILE(PL_curcop); | |
2214 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2215 | gv_check(PL_defstash); |
57843af0 | 2216 | } |
6224f72b GS |
2217 | |
2218 | LEAVE; | |
2219 | FREETMPS; | |
2220 | ||
2221 | #ifdef MYMALLOC | |
f6a607bc RGS |
2222 | { |
2223 | const char *s; | |
6224f72b GS |
2224 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2225 | dump_mstats("after compilation:"); | |
f6a607bc | 2226 | } |
6224f72b GS |
2227 | #endif |
2228 | ||
2229 | ENTER; | |
febb3a6d | 2230 | PL_restartjmpenv = NULL; |
3280af22 | 2231 | PL_restartop = 0; |
312caa8e | 2232 | return NULL; |
6224f72b GS |
2233 | } |
2234 | ||
954c1994 GS |
2235 | /* |
2236 | =for apidoc perl_run | |
2237 | ||
2238 | Tells a Perl interpreter to run. See L<perlembed>. | |
2239 | ||
2240 | =cut | |
2241 | */ | |
2242 | ||
6224f72b | 2243 | int |
0cb96387 | 2244 | perl_run(pTHXx) |
6224f72b | 2245 | { |
97aff369 | 2246 | dVAR; |
6224f72b | 2247 | I32 oldscope; |
14dd3ad8 | 2248 | int ret = 0; |
db36c5a1 | 2249 | dJMPENV; |
6224f72b | 2250 | |
7918f24d NC |
2251 | PERL_ARGS_ASSERT_PERL_RUN; |
2252 | #ifndef MULTIPLICITY | |
ed6c66dd | 2253 | PERL_UNUSED_ARG(my_perl); |
7918f24d | 2254 | #endif |
9d4ba2ae | 2255 | |
3280af22 | 2256 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2257 | #ifdef VMS |
2258 | VMSISH_HUSHED = 0; | |
2259 | #endif | |
6224f72b | 2260 | |
14dd3ad8 | 2261 | JMPENV_PUSH(ret); |
6224f72b GS |
2262 | switch (ret) { |
2263 | case 1: | |
2264 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2265 | goto redo_body; |
14dd3ad8 | 2266 | case 0: /* normal completion */ |
14dd3ad8 GS |
2267 | redo_body: |
2268 | run_body(oldscope); | |
14dd3ad8 GS |
2269 | /* FALL THROUGH */ |
2270 | case 2: /* my_exit() */ | |
3280af22 | 2271 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2272 | LEAVE; |
2273 | FREETMPS; | |
3280af22 | 2274 | PL_curstash = PL_defstash; |
3a1ee7e8 | 2275 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
9ebf26ad FR |
2276 | PL_endav && !PL_minus_c) { |
2277 | PL_phase = PERL_PHASE_END; | |
31d77e54 | 2278 | call_list(oldscope, PL_endav); |
9ebf26ad | 2279 | } |
6224f72b GS |
2280 | #ifdef MYMALLOC |
2281 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2282 | dump_mstats("after execution: "); | |
2283 | #endif | |
37038d91 | 2284 | ret = STATUS_EXIT; |
14dd3ad8 | 2285 | break; |
6224f72b | 2286 | case 3: |
312caa8e CS |
2287 | if (PL_restartop) { |
2288 | POPSTACK_TO(PL_mainstack); | |
2289 | goto redo_body; | |
6224f72b | 2290 | } |
bf49b057 | 2291 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 2292 | FREETMPS; |
14dd3ad8 GS |
2293 | ret = 1; |
2294 | break; | |
6224f72b GS |
2295 | } |
2296 | ||
14dd3ad8 GS |
2297 | JMPENV_POP; |
2298 | return ret; | |
312caa8e CS |
2299 | } |
2300 | ||
dd374669 | 2301 | STATIC void |
14dd3ad8 GS |
2302 | S_run_body(pTHX_ I32 oldscope) |
2303 | { | |
97aff369 | 2304 | dVAR; |
6224f72b | 2305 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2306 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2307 | |
3280af22 | 2308 | if (!PL_restartop) { |
81d86705 NC |
2309 | #ifdef PERL_MAD |
2310 | if (PL_xmlfp) { | |
2311 | xmldump_all(); | |
2312 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2313 | } | |
2314 | #endif | |
cf2782cd | 2315 | #ifdef DEBUGGING |
f0e3f042 CS |
2316 | if (DEBUG_x_TEST || DEBUG_B_TEST) |
2317 | dump_all_perl(!DEBUG_B_TEST); | |
ecae49c0 NC |
2318 | if (!DEBUG_q_TEST) |
2319 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2320 | #endif |
6224f72b | 2321 | |
3280af22 | 2322 | if (PL_minus_c) { |
bf49b057 | 2323 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
6224f72b GS |
2324 | my_exit(0); |
2325 | } | |
3280af22 | 2326 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2327 | sv_setiv(PL_DBsingle, 1); |
9ebf26ad FR |
2328 | if (PL_initav) { |
2329 | PL_phase = PERL_PHASE_INIT; | |
3280af22 | 2330 | call_list(oldscope, PL_initav); |
9ebf26ad | 2331 | } |
f1fac472 NC |
2332 | #ifdef PERL_DEBUG_READONLY_OPS |
2333 | Perl_pending_Slabs_to_ro(aTHX); | |
2334 | #endif | |
6224f72b GS |
2335 | } |
2336 | ||
2337 | /* do it */ | |
2338 | ||
9ebf26ad FR |
2339 | PL_phase = PERL_PHASE_RUN; |
2340 | ||
3280af22 | 2341 | if (PL_restartop) { |
febb3a6d | 2342 | PL_restartjmpenv = NULL; |
533c011a | 2343 | PL_op = PL_restartop; |
3280af22 | 2344 | PL_restartop = 0; |
cea2e8a9 | 2345 | CALLRUNOPS(aTHX); |
6224f72b | 2346 | } |
3280af22 NIS |
2347 | else if (PL_main_start) { |
2348 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2349 | PL_op = PL_main_start; |
cea2e8a9 | 2350 | CALLRUNOPS(aTHX); |
6224f72b | 2351 | } |
f6b3007c JH |
2352 | my_exit(0); |
2353 | /* NOTREACHED */ | |
6224f72b GS |
2354 | } |
2355 | ||
954c1994 | 2356 | /* |
ccfc67b7 JH |
2357 | =head1 SV Manipulation Functions |
2358 | ||
954c1994 GS |
2359 | =for apidoc p||get_sv |
2360 | ||
64ace3f8 NC |
2361 | Returns the SV of the specified Perl scalar. C<flags> are passed to |
2362 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2363 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2364 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2365 | |
2366 | =cut | |
2367 | */ | |
2368 | ||
6224f72b | 2369 | SV* |
64ace3f8 | 2370 | Perl_get_sv(pTHX_ const char *name, I32 flags) |
6224f72b GS |
2371 | { |
2372 | GV *gv; | |
7918f24d NC |
2373 | |
2374 | PERL_ARGS_ASSERT_GET_SV; | |
2375 | ||
64ace3f8 | 2376 | gv = gv_fetchpv(name, flags, SVt_PV); |
6224f72b GS |
2377 | if (gv) |
2378 | return GvSV(gv); | |
a0714e2c | 2379 | return NULL; |
6224f72b GS |
2380 | } |
2381 | ||
954c1994 | 2382 | /* |
ccfc67b7 JH |
2383 | =head1 Array Manipulation Functions |
2384 | ||
954c1994 GS |
2385 | =for apidoc p||get_av |
2386 | ||
cbfd0a87 NC |
2387 | Returns the AV of the specified Perl array. C<flags> are passed to |
2388 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2389 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2390 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2391 | |
2392 | =cut | |
2393 | */ | |
2394 | ||
6224f72b | 2395 | AV* |
cbfd0a87 | 2396 | Perl_get_av(pTHX_ const char *name, I32 flags) |
6224f72b | 2397 | { |
cbfd0a87 | 2398 | GV* const gv = gv_fetchpv(name, flags, SVt_PVAV); |
7918f24d NC |
2399 | |
2400 | PERL_ARGS_ASSERT_GET_AV; | |
2401 | ||
cbfd0a87 | 2402 | if (flags) |
6224f72b GS |
2403 | return GvAVn(gv); |
2404 | if (gv) | |
2405 | return GvAV(gv); | |
7d49f689 | 2406 | return NULL; |
6224f72b GS |
2407 | } |
2408 | ||
954c1994 | 2409 | /* |
ccfc67b7 JH |
2410 | =head1 Hash Manipulation Functions |
2411 | ||
954c1994 GS |
2412 | =for apidoc p||get_hv |
2413 | ||
6673a63c NC |
2414 | Returns the HV of the specified Perl hash. C<flags> are passed to |
2415 | C<gv_fetchpv>. If C<GV_ADD> is set and the | |
2416 | Perl variable does not exist then it will be created. If C<flags> is zero | |
2417 | and the variable does not exist then NULL is returned. | |
954c1994 GS |
2418 | |
2419 | =cut | |
2420 | */ | |
2421 | ||
6224f72b | 2422 | HV* |
6673a63c | 2423 | Perl_get_hv(pTHX_ const char *name, I32 flags) |
6224f72b | 2424 | { |
6673a63c | 2425 | GV* const gv = gv_fetchpv(name, flags, SVt_PVHV); |
7918f24d NC |
2426 | |
2427 | PERL_ARGS_ASSERT_GET_HV; | |
2428 | ||
6673a63c | 2429 | if (flags) |
a0d0e21e LW |
2430 | return GvHVn(gv); |
2431 | if (gv) | |
2432 | return GvHV(gv); | |
5c284bb0 | 2433 | return NULL; |
a0d0e21e LW |
2434 | } |
2435 | ||
954c1994 | 2436 | /* |
ccfc67b7 JH |
2437 | =head1 CV Manipulation Functions |
2438 | ||
780a5241 NC |
2439 | =for apidoc p||get_cvn_flags |
2440 | ||
2441 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2442 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2443 | exist then it will be declared (which has the same effect as saying | |
2444 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2445 | then NULL is returned. | |
2446 | ||
954c1994 GS |
2447 | =for apidoc p||get_cv |
2448 | ||
780a5241 | 2449 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2450 | |
2451 | =cut | |
2452 | */ | |
2453 | ||
a0d0e21e | 2454 | CV* |
780a5241 | 2455 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2456 | { |
780a5241 | 2457 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
f6ec51f7 GS |
2458 | /* XXX this is probably not what they think they're getting. |
2459 | * It has the same effect as "sub name;", i.e. just a forward | |
2460 | * declaration! */ | |
7918f24d NC |
2461 | |
2462 | PERL_ARGS_ASSERT_GET_CVN_FLAGS; | |
2463 | ||
780a5241 | 2464 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
740cce10 | 2465 | SV *const sv = newSVpvn_flags(name, len, flags & SVf_UTF8); |
774d564b | 2466 | return newSUB(start_subparse(FALSE, 0), |
780a5241 | 2467 | newSVOP(OP_CONST, 0, sv), |
5f66b61c | 2468 | NULL, NULL); |
780a5241 | 2469 | } |
a0d0e21e | 2470 | if (gv) |
8ebc5c01 | 2471 | return GvCVu(gv); |
601f1833 | 2472 | return NULL; |
a0d0e21e LW |
2473 | } |
2474 | ||
2c67934f NC |
2475 | /* Nothing in core calls this now, but we can't replace it with a macro and |
2476 | move it to mathoms.c as a macro would evaluate name twice. */ | |
780a5241 NC |
2477 | CV* |
2478 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2479 | { | |
7918f24d NC |
2480 | PERL_ARGS_ASSERT_GET_CV; |
2481 | ||
780a5241 NC |
2482 | return get_cvn_flags(name, strlen(name), flags); |
2483 | } | |
2484 | ||
79072805 LW |
2485 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2486 | ||
954c1994 | 2487 | /* |
ccfc67b7 JH |
2488 | |
2489 | =head1 Callback Functions | |
2490 | ||
954c1994 GS |
2491 | =for apidoc p||call_argv |
2492 | ||
2493 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2494 | ||
2495 | =cut | |
2496 | */ | |
2497 | ||
a0d0e21e | 2498 | I32 |
8f42b153 | 2499 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2500 | |
8ac85365 NIS |
2501 | /* See G_* flags in cop.h */ |
2502 | /* null terminated arg list */ | |
8990e307 | 2503 | { |
97aff369 | 2504 | dVAR; |
a0d0e21e | 2505 | dSP; |
8990e307 | 2506 | |
7918f24d NC |
2507 | PERL_ARGS_ASSERT_CALL_ARGV; |
2508 | ||
924508f0 | 2509 | PUSHMARK(SP); |
a0d0e21e | 2510 | if (argv) { |
8990e307 | 2511 | while (*argv) { |
6e449a3a | 2512 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2513 | argv++; |
2514 | } | |
a0d0e21e | 2515 | PUTBACK; |
8990e307 | 2516 | } |
864dbfa3 | 2517 | return call_pv(sub_name, flags); |
8990e307 LW |
2518 | } |
2519 | ||
954c1994 GS |
2520 | /* |
2521 | =for apidoc p||call_pv | |
2522 | ||
2523 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2524 | ||
2525 | =cut | |
2526 | */ | |
2527 | ||
a0d0e21e | 2528 | I32 |
864dbfa3 | 2529 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2530 | /* name of the subroutine */ |
2531 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2532 | { |
7918f24d NC |
2533 | PERL_ARGS_ASSERT_CALL_PV; |
2534 | ||
0da0e728 | 2535 | return call_sv(MUTABLE_SV(get_cv(sub_name, GV_ADD)), flags); |
a0d0e21e LW |
2536 | } |
2537 | ||
954c1994 GS |
2538 | /* |
2539 | =for apidoc p||call_method | |
2540 | ||
2541 | Performs a callback to the specified Perl method. The blessed object must | |
2542 | be on the stack. See L<perlcall>. | |
2543 | ||
2544 | =cut | |
2545 | */ | |
2546 | ||
a0d0e21e | 2547 | I32 |
864dbfa3 | 2548 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2549 | /* name of the subroutine */ |
2550 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2551 | { |
46ca9bac | 2552 | STRLEN len; |
7918f24d NC |
2553 | PERL_ARGS_ASSERT_CALL_METHOD; |
2554 | ||
46ca9bac GF |
2555 | len = strlen(methname); |
2556 | ||
2557 | /* XXX: sv_2mortal(newSVpvn_share(methname, len)) can be faster */ | |
2558 | return call_sv(newSVpvn_flags(methname, len, SVs_TEMP), flags | G_METHOD); | |
a0d0e21e LW |
2559 | } |
2560 | ||
2561 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2562 | /* |
2563 | =for apidoc p||call_sv | |
2564 | ||
2565 | Performs a callback to the Perl sub whose name is in the SV. See | |
2566 | L<perlcall>. | |
2567 | ||
2568 | =cut | |
2569 | */ | |
2570 | ||
a0d0e21e | 2571 | I32 |
001d637e | 2572 | Perl_call_sv(pTHX_ SV *sv, VOL I32 flags) |
8ac85365 | 2573 | /* See G_* flags in cop.h */ |
a0d0e21e | 2574 | { |
27da23d5 | 2575 | dVAR; dSP; |
a0d0e21e | 2576 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2577 | UNOP method_op; |
aa689395 | 2578 | I32 oldmark; |
8ea43dc8 | 2579 | VOL I32 retval = 0; |
a0d0e21e | 2580 | I32 oldscope; |
54310121 | 2581 | bool oldcatch = CATCH_GET; |
6224f72b | 2582 | int ret; |
c4420975 | 2583 | OP* const oldop = PL_op; |
db36c5a1 | 2584 | dJMPENV; |
1e422769 | 2585 | |
7918f24d NC |
2586 | PERL_ARGS_ASSERT_CALL_SV; |
2587 | ||
a0d0e21e LW |
2588 | if (flags & G_DISCARD) { |
2589 | ENTER; | |
2590 | SAVETMPS; | |
2591 | } | |
2f8edad0 NC |
2592 | if (!(flags & G_WANT)) { |
2593 | /* Backwards compatibility - as G_SCALAR was 0, it could be omitted. | |
2594 | */ | |
2595 | flags |= G_SCALAR; | |
2596 | } | |
a0d0e21e | 2597 | |
aa689395 | 2598 | Zero(&myop, 1, LOGOP); |
5f66b61c | 2599 | myop.op_next = NULL; |
f51d4af5 | 2600 | if (!(flags & G_NOARGS)) |
aa689395 | 2601 | myop.op_flags |= OPf_STACKED; |
4f911530 | 2602 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
462e5cf6 | 2603 | SAVEOP(); |
533c011a | 2604 | PL_op = (OP*)&myop; |
aa689395 | 2605 | |
3280af22 NIS |
2606 | EXTEND(PL_stack_sp, 1); |
2607 | *++PL_stack_sp = sv; | |
aa689395 | 2608 | oldmark = TOPMARK; |
3280af22 | 2609 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2610 | |
3280af22 | 2611 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2612 | /* Handle first BEGIN of -d. */ |
3280af22 | 2613 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2614 | /* Try harder, since this may have been a sighandler, thus |
2615 | * curstash may be meaningless. */ | |
ea726b52 | 2616 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((const CV *)sv) != PL_debstash) |
491527d0 | 2617 | && !(flags & G_NODEBUG)) |
533c011a | 2618 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2619 | |
968b3946 GS |
2620 | if (flags & G_METHOD) { |
2621 | Zero(&method_op, 1, UNOP); | |
2622 | method_op.op_next = PL_op; | |
2623 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
377b1098 | 2624 | method_op.op_type = OP_METHOD; |
968b3946 | 2625 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; |
377b1098 | 2626 | myop.op_type = OP_ENTERSUB; |
f39d0b86 | 2627 | PL_op = (OP*)&method_op; |
968b3946 GS |
2628 | } |
2629 | ||
312caa8e | 2630 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2631 | CATCH_SET(TRUE); |
d6f07c05 | 2632 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2633 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2634 | CATCH_SET(oldcatch); |
312caa8e CS |
2635 | } |
2636 | else { | |
d78bda3d | 2637 | myop.op_other = (OP*)&myop; |
3280af22 | 2638 | PL_markstack_ptr--; |
edb2152a | 2639 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2640 | PL_markstack_ptr++; |
a0d0e21e | 2641 | |
14dd3ad8 | 2642 | JMPENV_PUSH(ret); |
edb2152a | 2643 | |
6224f72b GS |
2644 | switch (ret) { |
2645 | case 0: | |
14dd3ad8 | 2646 | redo_body: |
d6f07c05 | 2647 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2648 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2649 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2650 | CLEAR_ERRSV(); |
8433848b | 2651 | } |
a0d0e21e | 2652 | break; |
6224f72b | 2653 | case 1: |
f86702cc | 2654 | STATUS_ALL_FAILURE; |
a0d0e21e | 2655 | /* FALL THROUGH */ |
6224f72b | 2656 | case 2: |
a0d0e21e | 2657 | /* my_exit() was called */ |
3280af22 | 2658 | PL_curstash = PL_defstash; |
a0d0e21e | 2659 | FREETMPS; |
14dd3ad8 | 2660 | JMPENV_POP; |
f86702cc | 2661 | my_exit_jump(); |
a0d0e21e | 2662 | /* NOTREACHED */ |
6224f72b | 2663 | case 3: |
3280af22 | 2664 | if (PL_restartop) { |
febb3a6d | 2665 | PL_restartjmpenv = NULL; |
533c011a | 2666 | PL_op = PL_restartop; |
3280af22 | 2667 | PL_restartop = 0; |
312caa8e | 2668 | goto redo_body; |
a0d0e21e | 2669 | } |
3280af22 | 2670 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2671 | if ((flags & G_WANT) == G_ARRAY) |
a0d0e21e LW |
2672 | retval = 0; |
2673 | else { | |
2674 | retval = 1; | |
3280af22 | 2675 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2676 | } |
312caa8e | 2677 | break; |
a0d0e21e | 2678 | } |
a0d0e21e | 2679 | |
edb2152a NC |
2680 | if (PL_scopestack_ix > oldscope) |
2681 | delete_eval_scope(); | |
14dd3ad8 | 2682 | JMPENV_POP; |
a0d0e21e | 2683 | } |
1e422769 | 2684 | |
a0d0e21e | 2685 | if (flags & G_DISCARD) { |
3280af22 | 2686 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2687 | retval = 0; |
2688 | FREETMPS; | |
2689 | LEAVE; | |
2690 | } | |
533c011a | 2691 | PL_op = oldop; |
a0d0e21e LW |
2692 | return retval; |
2693 | } | |
2694 | ||
6e72f9df | 2695 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2696 | |
954c1994 GS |
2697 | /* |
2698 | =for apidoc p||eval_sv | |
2699 | ||
be064c4a DM |
2700 | Tells Perl to C<eval> the string in the SV. It supports the same flags |
2701 | as C<call_sv>, with the obvious exception of G_EVAL. See L<perlcall>. | |
954c1994 GS |
2702 | |
2703 | =cut | |
2704 | */ | |
2705 | ||
a0d0e21e | 2706 | I32 |
864dbfa3 | 2707 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2708 | |
8ac85365 | 2709 | /* See G_* flags in cop.h */ |
a0d0e21e | 2710 | { |
97aff369 | 2711 | dVAR; |
924508f0 | 2712 | dSP; |
a0d0e21e | 2713 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2714 | VOL I32 oldmark = SP - PL_stack_base; |
2715 | VOL I32 retval = 0; | |
6224f72b | 2716 | int ret; |
c4420975 | 2717 | OP* const oldop = PL_op; |
db36c5a1 | 2718 | dJMPENV; |
84902520 | 2719 | |
7918f24d NC |
2720 | PERL_ARGS_ASSERT_EVAL_SV; |
2721 | ||
4633a7c4 LW |
2722 | if (flags & G_DISCARD) { |
2723 | ENTER; | |
2724 | SAVETMPS; | |
2725 | } | |
2726 | ||
462e5cf6 | 2727 | SAVEOP(); |
533c011a NIS |
2728 | PL_op = (OP*)&myop; |
2729 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2730 | EXTEND(PL_stack_sp, 1); |
2731 | *++PL_stack_sp = sv; | |
79072805 | 2732 | |
4633a7c4 LW |
2733 | if (!(flags & G_NOARGS)) |
2734 | myop.op_flags = OPf_STACKED; | |
5f66b61c | 2735 | myop.op_next = NULL; |
6e72f9df | 2736 | myop.op_type = OP_ENTEREVAL; |
4f911530 | 2737 | myop.op_flags |= OP_GIMME_REVERSE(flags); |
6e72f9df | 2738 | if (flags & G_KEEPERR) |
2739 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2740 | |
dedbcade DM |
2741 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2742 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2743 | TAINT_PROPER("eval_sv()"); | |
2744 | ||
14dd3ad8 | 2745 | JMPENV_PUSH(ret); |
6224f72b GS |
2746 | switch (ret) { |
2747 | case 0: | |
14dd3ad8 | 2748 | redo_body: |
2ba65d5f DM |
2749 | if (PL_op == (OP*)(&myop)) { |
2750 | PL_op = PL_ppaddr[OP_ENTEREVAL](aTHX); | |
2751 | if (!PL_op) | |
2752 | goto fail; /* failed in compilation */ | |
2753 | } | |
4aca2f62 | 2754 | CALLRUNOPS(aTHX); |
312caa8e | 2755 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
8433848b | 2756 | if (!(flags & G_KEEPERR)) { |
ab69dbc2 | 2757 | CLEAR_ERRSV(); |
8433848b | 2758 | } |
4633a7c4 | 2759 | break; |
6224f72b | 2760 | case 1: |
f86702cc | 2761 | STATUS_ALL_FAILURE; |
4633a7c4 | 2762 | /* FALL THROUGH */ |
6224f72b | 2763 | case 2: |
4633a7c4 | 2764 | /* my_exit() was called */ |
3280af22 | 2765 | PL_curstash = PL_defstash; |
4633a7c4 | 2766 | FREETMPS; |
14dd3ad8 | 2767 | JMPENV_POP; |
f86702cc | 2768 | my_exit_jump(); |
4633a7c4 | 2769 | /* NOTREACHED */ |
6224f72b | 2770 | case 3: |
3280af22 | 2771 | if (PL_restartop) { |
febb3a6d | 2772 | PL_restartjmpenv = NULL; |
533c011a | 2773 | PL_op = PL_restartop; |
3280af22 | 2774 | PL_restartop = 0; |
312caa8e | 2775 | goto redo_body; |
4633a7c4 | 2776 | } |
4aca2f62 | 2777 | fail: |
3280af22 | 2778 | PL_stack_sp = PL_stack_base + oldmark; |
51ce5529 | 2779 | if ((flags & G_WANT) == G_ARRAY) |
4633a7c4 LW |
2780 | retval = 0; |
2781 | else { | |
2782 | retval = 1; | |
3280af22 | 2783 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2784 | } |
312caa8e | 2785 | break; |
4633a7c4 LW |
2786 | } |
2787 | ||
14dd3ad8 | 2788 | JMPENV_POP; |
4633a7c4 | 2789 | if (flags & G_DISCARD) { |
3280af22 | 2790 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2791 | retval = 0; |
2792 | FREETMPS; | |
2793 | LEAVE; | |
2794 | } | |
533c011a | 2795 | PL_op = oldop; |
4633a7c4 LW |
2796 | return retval; |
2797 | } | |
2798 | ||
954c1994 GS |
2799 | /* |
2800 | =for apidoc p||eval_pv | |
2801 | ||
2802 | Tells Perl to C<eval> the given string and return an SV* result. | |
2803 | ||
2804 | =cut | |
2805 | */ | |
2806 | ||
137443ea | 2807 | SV* |
864dbfa3 | 2808 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2809 | { |
97aff369 | 2810 | dVAR; |
137443ea | 2811 | dSP; |
2812 | SV* sv = newSVpv(p, 0); | |
2813 | ||
7918f24d NC |
2814 | PERL_ARGS_ASSERT_EVAL_PV; |
2815 | ||
864dbfa3 | 2816 | eval_sv(sv, G_SCALAR); |
137443ea | 2817 | SvREFCNT_dec(sv); |
2818 | ||
2819 | SPAGAIN; | |
2820 | sv = POPs; | |
2821 | PUTBACK; | |
2822 | ||
2d8e6c8d | 2823 | if (croak_on_error && SvTRUE(ERRSV)) { |
f1f66076 | 2824 | Perl_croak(aTHX_ "%s", SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2825 | } |
137443ea | 2826 | |
2827 | return sv; | |
2828 | } | |
2829 | ||
4633a7c4 LW |
2830 | /* Require a module. */ |
2831 | ||
954c1994 | 2832 | /* |
ccfc67b7 JH |
2833 | =head1 Embedding Functions |
2834 | ||
954c1994 GS |
2835 | =for apidoc p||require_pv |
2836 | ||
7d3fb230 BS |
2837 | Tells Perl to C<require> the file named by the string argument. It is |
2838 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2839 | implemented that way; consider using load_module instead. |
954c1994 | 2840 | |
7d3fb230 | 2841 | =cut */ |
954c1994 | 2842 | |
4633a7c4 | 2843 | void |
864dbfa3 | 2844 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2845 | { |
97aff369 | 2846 | dVAR; |
d3acc0f7 | 2847 | dSP; |
97aff369 | 2848 | SV* sv; |
7918f24d NC |
2849 | |
2850 | PERL_ARGS_ASSERT_REQUIRE_PV; | |
2851 | ||
e788e7d3 | 2852 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2853 | PUTBACK; |
be41e5d9 NC |
2854 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2855 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2856 | SPAGAIN; |
2857 | POPSTACK; | |
79072805 LW |
2858 | } |
2859 | ||
76e3520e | 2860 | STATIC void |
e1ec3a88 | 2861 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2862 | { |
ab821d7f | 2863 | /* This message really ought to be max 23 lines. |
75c72d73 | 2864 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2865 | |
1566c39d NC |
2866 | /* Grouped as 6 lines per C string literal, to keep under the ANSI C 89 |
2867 | minimum of 509 character string literals. */ | |
27da23d5 | 2868 | static const char * const usage_msg[] = { |
1566c39d NC |
2869 | " -0[octal] specify record separator (\\0, if no argument)\n" |
2870 | " -a autosplit mode with -n or -p (splits $_ into @F)\n" | |
2871 | " -C[number/list] enables the listed Unicode features\n" | |
2872 | " -c check syntax only (runs BEGIN and CHECK blocks)\n" | |
2873 | " -d[:debugger] run program under debugger\n" | |
2874 | " -D[number/list] set debugging flags (argument is a bit mask or alphabets)\n", | |
2875 | " -e program one line of program (several -e's allowed, omit programfile)\n" | |
2876 | " -E program like -e, but enables all optional features\n" | |
2877 | " -f don't do $sitelib/sitecustomize.pl at startup\n" | |
2878 | " -F/pattern/ split() pattern for -a switch (//'s are optional)\n" | |
2879 | " -i[extension] edit <> files in place (makes backup if extension supplied)\n" | |
2880 | " -Idirectory specify @INC/#include directory (several -I's allowed)\n", | |
2881 | " -l[octal] enable line ending processing, specifies line terminator\n" | |
2882 | " -[mM][-]module execute \"use/no module...\" before executing program\n" | |
2883 | " -n assume \"while (<>) { ... }\" loop around program\n" | |
2884 | " -p assume loop like -n but print line also, like sed\n" | |
2885 | " -s enable rudimentary parsing for switches after programfile\n" | |
2886 | " -S look for programfile using PATH environment variable\n", | |
2887 | " -t enable tainting warnings\n" | |
2888 | " -T enable tainting checks\n" | |
2889 | " -u dump core after parsing program\n" | |
2890 | " -U allow unsafe operations\n" | |
2891 | " -v print version, patchlevel and license\n" | |
2892 | " -V[:variable] print configuration summary (or a single Config.pm variable)\n", | |
60eaec42 | 2893 | " -w enable many useful warnings\n" |
1566c39d NC |
2894 | " -W enable all warnings\n" |
2895 | " -x[directory] ignore text before #!perl line (optionally cd to directory)\n" | |
2896 | " -X disable all warnings\n" | |
2897 | " \n" | |
2898 | "Run 'perldoc perl' for more help with Perl.\n\n", | |
fb73857a | 2899 | NULL |
2900 | }; | |
27da23d5 | 2901 | const char * const *p = usage_msg; |
1566c39d | 2902 | PerlIO *out = PerlIO_stdout(); |
fb73857a | 2903 | |
7918f24d NC |
2904 | PERL_ARGS_ASSERT_USAGE; |
2905 | ||
1566c39d NC |
2906 | PerlIO_printf(out, |
2907 | "\nUsage: %s [switches] [--] [programfile] [arguments]\n", | |
b0e47665 | 2908 | name); |
fb73857a | 2909 | while (*p) |
1566c39d | 2910 | PerlIO_puts(out, *p++); |
4633a7c4 LW |
2911 | } |
2912 | ||
b4ab917c DM |
2913 | /* convert a string of -D options (or digits) into an int. |
2914 | * sets *s to point to the char after the options */ | |
2915 | ||
2916 | #ifdef DEBUGGING | |
2917 | int | |
e1ec3a88 | 2918 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2919 | { |
27da23d5 | 2920 | static const char * const usage_msgd[] = { |
651b8f1a NC |
2921 | " Debugging flag values: (see also -d)\n" |
2922 | " p Tokenizing and parsing (with v, displays parse stack)\n" | |
2923 | " s Stack snapshots (with v, displays all stacks)\n" | |
2924 | " l Context (loop) stack processing\n" | |
2925 | " t Trace execution\n" | |
2926 | " o Method and overloading resolution\n", | |
2927 | " c String/numeric conversions\n" | |
2928 | " P Print profiling info, source file input state\n" | |
2929 | " m Memory and SV allocation\n" | |
2930 | " f Format processing\n" | |
2931 | " r Regular expression parsing and execution\n" | |
2932 | " x Syntax tree dump\n", | |
2933 | " u Tainting checks\n" | |
2934 | " H Hash dump -- usurps values()\n" | |
2935 | " X Scratchpad allocation\n" | |
2936 | " D Cleaning up\n" | |
2937 | " T Tokenising\n" | |
2938 | " R Include reference counts of dumped variables (eg when using -Ds)\n", | |
2939 | " J Do not s,t,P-debug (Jump over) opcodes within package DB\n" | |
2940 | " v Verbose: use in conjunction with other flags\n" | |
2941 | " C Copy On Write\n" | |
2942 | " A Consistency checks on internal structures\n" | |
2943 | " q quiet - currently only suppresses the 'EXECUTING' message\n" | |
2944 | " M trace smart match resolution\n" | |
2945 | " B dump suBroutine definitions, including special Blocks like BEGIN\n", | |
e6e64d9b JC |
2946 | NULL |
2947 | }; | |
b4ab917c | 2948 | int i = 0; |
7918f24d NC |
2949 | |
2950 | PERL_ARGS_ASSERT_GET_DEBUG_OPTS; | |
2951 | ||
b4ab917c DM |
2952 | if (isALPHA(**s)) { |
2953 | /* if adding extra options, remember to update DEBUG_MASK */ | |
cc8773c0 | 2954 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAqMB"; |
b4ab917c DM |
2955 | |
2956 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 2957 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
2958 | if (d) |
2959 | i |= 1 << (d - debopts); | |
2960 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2961 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2962 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2963 | } |
2964 | } | |
e6e64d9b | 2965 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2966 | i = atoi(*s); |
2967 | for (; isALNUM(**s); (*s)++) ; | |
2968 | } | |
ddcf8bc1 | 2969 | else if (givehelp) { |
06e869a4 | 2970 | const char *const *p = usage_msgd; |
651b8f1a | 2971 | while (*p) PerlIO_puts(PerlIO_stdout(), *p++); |
e6e64d9b | 2972 | } |
b4ab917c DM |
2973 | # ifdef EBCDIC |
2974 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2975 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2976 | "-Dp not implemented on this platform\n"); | |
2977 | # endif | |
2978 | return i; | |
2979 | } | |
2980 | #endif | |
2981 | ||
79072805 LW |
2982 | /* This routine handles any switches that can be given during run */ |
2983 | ||
c7030b81 NC |
2984 | const char * |
2985 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 2986 | { |
27da23d5 | 2987 | dVAR; |
84c133a0 | 2988 | UV rschar; |
0544e6df | 2989 | const char option = *s; /* used to remember option in -m/-M code */ |
79072805 | 2990 | |
7918f24d NC |
2991 | PERL_ARGS_ASSERT_MORESWITCHES; |
2992 | ||
79072805 LW |
2993 | switch (*s) { |
2994 | case '0': | |
a863c7d1 | 2995 | { |
f2095865 | 2996 | I32 flags = 0; |
a3b680e6 | 2997 | STRLEN numlen; |
f2095865 JH |
2998 | |
2999 | SvREFCNT_dec(PL_rs); | |
3000 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3001 | const char *e = s+=2; |
f2095865 JH |
3002 | U8 *tmps; |
3003 | ||
a3b680e6 AL |
3004 | while (*e) |
3005 | e++; | |
f2095865 JH |
3006 | numlen = e - s; |
3007 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3008 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3009 | if (s + numlen < e) { | |
3010 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3011 | numlen = 0; | |
3012 | s--; | |
3013 | } | |
396482e1 | 3014 | PL_rs = newSVpvs(""); |
c5661c80 | 3015 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3016 | tmps = (U8*)SvPVX(PL_rs); |
3017 | uvchr_to_utf8(tmps, rschar); | |
3018 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3019 | SvUTF8_on(PL_rs); | |
3020 | } | |
3021 | else { | |
3022 | numlen = 4; | |
3023 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3024 | if (rschar & ~((U8)~0)) | |
3025 | PL_rs = &PL_sv_undef; | |
3026 | else if (!rschar && numlen >= 2) | |
396482e1 | 3027 | PL_rs = newSVpvs(""); |
f2095865 JH |
3028 | else { |
3029 | char ch = (char)rschar; | |
3030 | PL_rs = newSVpvn(&ch, 1); | |
3031 | } | |
3032 | } | |
64ace3f8 | 3033 | sv_setsv(get_sv("/", GV_ADD), PL_rs); |
f2095865 | 3034 | return s + numlen; |
a863c7d1 | 3035 | } |
46487f74 | 3036 | case 'C': |
a05d7ebb | 3037 | s++; |
dd374669 | 3038 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3039 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3040 | PL_utf8cache = -1; | |
46487f74 | 3041 | return s; |
2304df62 | 3042 | case 'F': |
3280af22 | 3043 | PL_minus_F = TRUE; |
ebce5377 RGS |
3044 | PL_splitstr = ++s; |
3045 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3046 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3047 | return s; |
79072805 | 3048 | case 'a': |
3280af22 | 3049 | PL_minus_a = TRUE; |
79072805 LW |
3050 | s++; |
3051 | return s; | |
3052 | case 'c': | |
3280af22 | 3053 | PL_minus_c = TRUE; |
79072805 LW |
3054 | s++; |
3055 | return s; | |
3056 | case 'd': | |
f20b2998 | 3057 | forbid_setid('d', FALSE); |
4633a7c4 | 3058 | s++; |
2cbb2ee1 RGS |
3059 | |
3060 | /* -dt indicates to the debugger that threads will be used */ | |
3061 | if (*s == 't' && !isALNUM(s[1])) { | |
3062 | ++s; | |
3063 | my_setenv("PERL5DB_THREADED", "1"); | |
3064 | } | |
3065 | ||
70c94a19 RR |
3066 | /* The following permits -d:Mod to accepts arguments following an = |
3067 | in the fashion that -MSome::Mod does. */ | |
3068 | if (*s == ':' || *s == '=') { | |
b19934fb NC |
3069 | const char *start; |
3070 | const char *end; | |
3071 | SV *sv; | |
3072 | ||
3073 | if (*++s == '-') { | |
3074 | ++s; | |
3075 | sv = newSVpvs("no Devel::"); | |
3076 | } else { | |
3077 | sv = newSVpvs("use Devel::"); | |
3078 | } | |
3079 | ||
3080 | start = s; | |
3081 | end = s + strlen(s); | |
f85893a1 | 3082 | |
b19934fb | 3083 | /* We now allow -d:Module=Foo,Bar and -d:-Module */ |
70c94a19 RR |
3084 | while(isALNUM(*s) || *s==':') ++s; |
3085 | if (*s != '=') | |
f85893a1 | 3086 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3087 | else { |
3088 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3089 | /* Don't use NUL as q// delimiter here, this string goes in the |
3090 | * environment. */ | |
3091 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3092 | } |
f85893a1 | 3093 | s = end; |
184f32ec | 3094 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3095 | SvREFCNT_dec(sv); |
4633a7c4 | 3096 | } |
ed094faf | 3097 | if (!PL_perldb) { |
3280af22 | 3098 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3099 | init_debugger(); |
ed094faf | 3100 | } |
79072805 LW |
3101 | return s; |
3102 | case 'D': | |
0453d815 | 3103 | { |
79072805 | 3104 | #ifdef DEBUGGING |
f20b2998 | 3105 | forbid_setid('D', FALSE); |
b4ab917c | 3106 | s++; |
dd374669 | 3107 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3108 | #else /* !DEBUGGING */ |
0453d815 | 3109 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3110 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3111 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3112 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3113 | #endif |
79072805 | 3114 | return s; |
0453d815 | 3115 | } |
4633a7c4 | 3116 | case 'h': |
ac27b0f5 | 3117 | usage(PL_origargv[0]); |
7ca617d0 | 3118 | my_exit(0); |
79072805 | 3119 | case 'i': |
43c5f42d | 3120 | Safefree(PL_inplace); |
c030f24b GH |
3121 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3122 | if (*(s+1) == '\0') { | |
c86a4f2e | 3123 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3124 | return s+1; |
3125 | } | |
3126 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3127 | { |
d4c19fe8 | 3128 | const char * const start = ++s; |
5ef5d758 NC |
3129 | while (*s && !isSPACE(*s)) |
3130 | ++s; | |
3131 | ||
3132 | PL_inplace = savepvn(start, s - start); | |
3133 | } | |
7b8d334a | 3134 | if (*s) { |
5ef5d758 | 3135 | ++s; |
7b8d334a | 3136 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3137 | s++; |
7b8d334a | 3138 | } |
fb73857a | 3139 | return s; |
4e49a025 | 3140 | case 'I': /* -I handled both here and in parse_body() */ |
f20b2998 | 3141 | forbid_setid('I', FALSE); |
fb73857a | 3142 | ++s; |
3143 | while (*s && isSPACE(*s)) | |
3144 | ++s; | |
3145 | if (*s) { | |
c7030b81 | 3146 | const char *e, *p; |
0df16ed7 GS |
3147 | p = s; |
3148 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3149 | do { | |
3150 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3151 | p = e; | |
3152 | while (isSPACE(*p)) | |
3153 | p++; | |
3154 | } while (*p && *p != '-'); | |
55b4bc1c | 3155 | incpush(s, e-s, |
e28f3139 | 3156 | INCPUSH_ADD_SUB_DIRS|INCPUSH_ADD_OLD_VERS|INCPUSH_UNSHIFT); |
0df16ed7 GS |
3157 | s = p; |
3158 | if (*s == '-') | |
3159 | s++; | |
79072805 LW |
3160 | } |
3161 | else | |
a67e862a | 3162 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3163 | return s; |
79072805 | 3164 | case 'l': |
3280af22 | 3165 | PL_minus_l = TRUE; |
79072805 | 3166 | s++; |
7889fe52 NIS |
3167 | if (PL_ors_sv) { |
3168 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3169 | PL_ors_sv = NULL; |
7889fe52 | 3170 | } |
79072805 | 3171 | if (isDIGIT(*s)) { |
53305cf1 | 3172 | I32 flags = 0; |
a3b680e6 | 3173 | STRLEN numlen; |
396482e1 | 3174 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3175 | numlen = 3 + (*s == '0'); |
3176 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3177 | s += numlen; |
3178 | } | |
3179 | else { | |
8bfdd7d9 | 3180 | if (RsPARA(PL_rs)) { |
396482e1 | 3181 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3182 | } |
3183 | else { | |
8bfdd7d9 | 3184 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3185 | } |
79072805 LW |
3186 | } |
3187 | return s; | |
1a30305b | 3188 | case 'M': |
f20b2998 | 3189 | forbid_setid('M', FALSE); /* XXX ? */ |
1a30305b | 3190 | /* FALL THROUGH */ |
3191 | case 'm': | |
f20b2998 | 3192 | forbid_setid('m', FALSE); /* XXX ? */ |
1a30305b | 3193 | if (*++s) { |
c7030b81 | 3194 | const char *start; |
b64cb68c | 3195 | const char *end; |
11343788 | 3196 | SV *sv; |
e1ec3a88 | 3197 | const char *use = "use "; |
0544e6df | 3198 | bool colon = FALSE; |
a5f75d66 | 3199 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3200 | /* Leading space on " no " is deliberate, to make both |
3201 | possibilities the same length. */ | |
3202 | if (*s == '-') { use = " no "; ++s; } | |
3203 | sv = newSVpvn(use,4); | |
a5f75d66 | 3204 | start = s; |
1a30305b | 3205 | /* We allow -M'Module qw(Foo Bar)' */ |
0544e6df RB |
3206 | while(isALNUM(*s) || *s==':') { |
3207 | if( *s++ == ':' ) { | |
3208 | if( *s == ':' ) | |
3209 | s++; | |
3210 | else | |
3211 | colon = TRUE; | |
3212 | } | |
3213 | } | |
3214 | if (s == start) | |
3215 | Perl_croak(aTHX_ "Module name required with -%c option", | |
3216 | option); | |
3217 | if (colon) | |
3218 | Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: " | |
3219 | "contains single ':'", | |
63da6837 | 3220 | (int)(s - start), start, option); |
b64cb68c | 3221 | end = s + strlen(s); |
c07a80fd | 3222 | if (*s != '=') { |
b64cb68c | 3223 | sv_catpvn(sv, start, end - start); |
0544e6df | 3224 | if (option == 'm') { |
c07a80fd | 3225 | if (*s != '\0') |
cea2e8a9 | 3226 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3227 | sv_catpvs( sv, " ()"); |
c07a80fd | 3228 | } |
3229 | } else { | |
11343788 | 3230 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3231 | /* Use NUL as q''-delimiter. */ |
3232 | sv_catpvs(sv, " split(/,/,q\0"); | |
3233 | ++s; | |
3234 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3235 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3236 | } |
b64cb68c | 3237 | s = end; |
29a861e7 | 3238 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3239 | } |
3240 | else | |
0544e6df | 3241 | Perl_croak(aTHX_ "Missing argument to -%c", option); |
1a30305b | 3242 | return s; |
79072805 | 3243 | case 'n': |
3280af22 | 3244 | PL_minus_n = TRUE; |
79072805 LW |
3245 | s++; |
3246 | return s; | |
3247 | case 'p': | |
3280af22 | 3248 | PL_minus_p = TRUE; |
79072805 LW |
3249 | s++; |
3250 | return s; | |
3251 | case 's': | |
f20b2998 | 3252 | forbid_setid('s', FALSE); |
3280af22 | 3253 | PL_doswitches = TRUE; |
79072805 LW |
3254 | s++; |
3255 | return s; | |
6537fe72 MS |
3256 | case 't': |
3257 | if (!PL_tainting) | |
22f7c9c9 | 3258 | TOO_LATE_FOR('t'); |
6537fe72 MS |
3259 | s++; |
3260 | return s; | |
463ee0b2 | 3261 | case 'T': |
3280af22 | 3262 | if (!PL_tainting) |
22f7c9c9 | 3263 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
3264 | s++; |
3265 | return s; | |
79072805 | 3266 | case 'u': |
3280af22 | 3267 | PL_do_undump = TRUE; |
79072805 LW |
3268 | s++; |
3269 | return s; | |
3270 | case 'U': | |
3280af22 | 3271 | PL_unsafe = TRUE; |
79072805 LW |
3272 | s++; |
3273 | return s; | |
3274 | case 'v': | |
d7aa5382 | 3275 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3276 | upg_version(PL_patchlevel, TRUE); |
8e9464f1 | 3277 | #if !defined(DGUX) |
46807d8e YO |
3278 | { |
3279 | SV* level= vstringify(PL_patchlevel); | |
3280 | #ifdef PERL_PATCHNUM | |
23d483e2 NC |
3281 | # ifdef PERL_GIT_UNCOMMITTED_CHANGES |
3282 | SV *num = newSVpvs(PERL_PATCHNUM "*"); | |
3283 | # else | |
3284 | SV *num = newSVpvs(PERL_PATCHNUM); | |
3285 | # endif | |
46807d8e YO |
3286 | |
3287 | if (sv_len(num)>=sv_len(level) && strnEQ(SvPV_nolen(num),SvPV_nolen(level),sv_len(level))) { | |
3288 | SvREFCNT_dec(level); | |
3289 | level= num; | |
3290 | } else { | |
d0a9311f | 3291 | Perl_sv_catpvf(aTHX_ level, " (%"SVf")", num); |
46807d8e YO |
3292 | SvREFCNT_dec(num); |
3293 | } | |
3294 | #endif | |
3295 | PerlIO_printf(PerlIO_stdout(), | |
ded326e4 DG |
3296 | "\nThis is perl " STRINGIFY(PERL_REVISION) |
3297 | ", version " STRINGIFY(PERL_VERSION) | |
3298 | ", subversion " STRINGIFY(PERL_SUBVERSION) | |
3299 | " (%"SVf") built for " ARCHNAME, level | |
3300 | ); | |
46807d8e YO |
3301 | SvREFCNT_dec(level); |
3302 | } | |
8e9464f1 JH |
3303 | #else /* DGUX */ |
3304 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
3305 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 3306 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3307 | SVfARG(vstringify(PL_patchlevel)))); |
8e9464f1 JH |
3308 | PerlIO_printf(PerlIO_stdout(), |
3309 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
3310 | OSNAME, __DATE__, __TIME__)); | |
3311 | PerlIO_printf(PerlIO_stdout(), | |
3312 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 3313 | OSVERS)); |
8e9464f1 | 3314 | #endif /* !DGUX */ |
fb73857a | 3315 | #if defined(LOCAL_PATCH_COUNT) |
3316 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
3317 | PerlIO_printf(PerlIO_stdout(), |
3318 | "\n(with %d registered patch%s, " | |
3319 | "see perl -V for more detail)", | |
bb7a0f54 | 3320 | LOCAL_PATCH_COUNT, |
b0e47665 | 3321 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3322 | #endif |
1a30305b | 3323 | |
b0e47665 | 3324 | PerlIO_printf(PerlIO_stdout(), |
010d7370 | 3325 | "\n\nCopyright 1987-2011, Larry Wall\n"); |
79072805 | 3326 | #ifdef MSDOS |
b0e47665 GS |
3327 | PerlIO_printf(PerlIO_stdout(), |
3328 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 3329 | #endif |
3330 | #ifdef DJGPP | |
b0e47665 GS |
3331 | PerlIO_printf(PerlIO_stdout(), |
3332 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
3333 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3334 | #endif |
79072805 | 3335 | #ifdef OS2 |
b0e47665 GS |
3336 | PerlIO_printf(PerlIO_stdout(), |
3337 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 3338 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3339 | #endif |
79072805 | 3340 | #ifdef atarist |
b0e47665 GS |
3341 | PerlIO_printf(PerlIO_stdout(), |
3342 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3343 | #endif |
a3f9223b | 3344 | #ifdef __BEOS__ |
b0e47665 GS |
3345 | PerlIO_printf(PerlIO_stdout(), |
3346 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3347 | #endif |
1d84e8df | 3348 | #ifdef MPE |
b0e47665 | 3349 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3350 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3351 | #endif |
9d116dd7 | 3352 | #ifdef OEMVS |
b0e47665 GS |
3353 | PerlIO_printf(PerlIO_stdout(), |
3354 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3355 | #endif |
495c5fdc | 3356 | #ifdef __VOS__ |
b0e47665 | 3357 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3358 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3359 | #endif |
092bebab | 3360 | #ifdef __OPEN_VM |
b0e47665 GS |
3361 | PerlIO_printf(PerlIO_stdout(), |
3362 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3363 | #endif |
a1a0e61e | 3364 | #ifdef POSIX_BC |
b0e47665 GS |
3365 | PerlIO_printf(PerlIO_stdout(), |
3366 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3367 | #endif |
f83d2536 | 3368 | #ifdef EPOC |
b0e47665 | 3369 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3370 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3371 | #endif |
e1caacb4 | 3372 | #ifdef UNDER_CE |
b475b3e6 JH |
3373 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3374 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3375 | wce_hitreturn(); |
3376 | #endif | |
a0fd4948 | 3377 | #ifdef __SYMBIAN32__ |
27da23d5 JH |
3378 | PerlIO_printf(PerlIO_stdout(), |
3379 | "Symbian port by Nokia, 2004-2005\n"); | |
3380 | #endif | |
baed7233 DL |
3381 | #ifdef BINARY_BUILD_NOTICE |
3382 | BINARY_BUILD_NOTICE; | |
3383 | #endif | |
b0e47665 GS |
3384 | PerlIO_printf(PerlIO_stdout(), |
3385 | "\n\ | |
79072805 | 3386 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3387 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3388 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3389 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3390 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3391 | my_exit(0); |
79072805 | 3392 | case 'w': |
b2e5e6ba | 3393 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { |
ac27b0f5 | 3394 | PL_dowarn |= G_WARN_ON; |
b2e5e6ba | 3395 | } |
599cee73 PM |
3396 | s++; |
3397 | return s; | |
3398 | case 'W': | |
ac27b0f5 | 3399 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d | 3400 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3401 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3402 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3403 | s++; |
3404 | return s; | |
3405 | case 'X': | |
ac27b0f5 | 3406 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d | 3407 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3408 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3409 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3410 | s++; |
3411 | return s; | |
a0d0e21e | 3412 | case '*': |
79072805 | 3413 | case ' ': |
d3133c89 NC |
3414 | while( *s == ' ' ) |
3415 | ++s; | |
3416 | if (s[0] == '-') /* Additional switches on #! line. */ | |
3417 | return s+1; | |
79072805 | 3418 | break; |
a0d0e21e | 3419 | case '-': |
79072805 | 3420 | case 0: |
51882d45 | 3421 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3422 | case '\r': |
3423 | #endif | |
79072805 LW |
3424 | case '\n': |
3425 | case '\t': | |
3426 | break; | |
aa689395 | 3427 | #ifdef ALTERNATE_SHEBANG |
3428 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3429 | break; | |
3430 | #endif | |
79072805 | 3431 | default: |
cea2e8a9 | 3432 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 | 3433 | } |
bd61b366 | 3434 | return NULL; |
79072805 LW |
3435 | } |
3436 | ||
3437 | /* compliments of Tom Christiansen */ | |
3438 | ||
3439 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3440 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3441 | |
3442 | void | |
864dbfa3 | 3443 | Perl_my_unexec(pTHX) |
79072805 | 3444 | { |
b37c2d43 | 3445 | PERL_UNUSED_CONTEXT; |
79072805 | 3446 | #ifdef UNEXEC |
b37c2d43 AL |
3447 | SV * prog = newSVpv(BIN_EXP, 0); |
3448 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3449 | int status = 1; |
79072805 LW |
3450 | extern int etext; |
3451 | ||
396482e1 | 3452 | sv_catpvs(prog, "/perl"); |
396482e1 | 3453 | sv_catpvs(file, ".perldump"); |
79072805 | 3454 | |
ee580363 GS |
3455 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3456 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3457 | PerlProc_exit(status); |
79072805 | 3458 | #else |
a5f75d66 AD |
3459 | # ifdef VMS |
3460 | # include <lib$routines.h> | |
3461 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
84d78eb7 YO |
3462 | # elif defined(WIN32) || defined(__CYGWIN__) |
3463 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3464 | # else |
79072805 | 3465 | ABORT(); /* for use with undump */ |
aa689395 | 3466 | # endif |
a5f75d66 | 3467 | #endif |
79072805 LW |
3468 | } |
3469 | ||
cb68f92d GS |
3470 | /* initialize curinterp */ |
3471 | STATIC void | |
cea2e8a9 | 3472 | S_init_interp(pTHX) |
cb68f92d | 3473 | { |
97aff369 | 3474 | dVAR; |
acfe0abc GS |
3475 | #ifdef MULTIPLICITY |
3476 | # define PERLVAR(var,type) | |
3477 | # define PERLVARA(var,n,type) | |
3478 | # if defined(PERL_IMPLICIT_CONTEXT) | |
b7f7fff6 NC |
3479 | # define PERLVARI(var,type,init) aTHX->var = init; |
3480 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
3967c732 | 3481 | # else |
acfe0abc GS |
3482 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
3483 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3484 | # endif |
acfe0abc | 3485 | # include "intrpvar.h" |
acfe0abc GS |
3486 | # undef PERLVAR |
3487 | # undef PERLVARA | |
3488 | # undef PERLVARI | |
3489 | # undef PERLVARIC | |
3490 | #else | |
3491 | # define PERLVAR(var,type) | |
3492 | # define PERLVARA(var,n,type) | |
3493 | # define PERLVARI(var,type,init) PL_##var = init; | |
3494 | # define PERLVARIC(var,type,init) PL_##var = init; | |
3495 | # include "intrpvar.h" | |
acfe0abc GS |
3496 | # undef PERLVAR |
3497 | # undef PERLVARA | |
3498 | # undef PERLVARI | |
3499 | # undef PERLVARIC | |
cb68f92d GS |
3500 | #endif |
3501 | ||
46ab3289 NC |
3502 | /* As these are inside a structure, PERLVARI isn't capable of initialising |
3503 | them */ | |
6c3f0a89 NC |
3504 | PL_reg_oldcurpm = PL_reg_curpm = NULL; |
3505 | PL_reg_poscache = PL_reg_starttry = NULL; | |
cb68f92d GS |
3506 | } |
3507 | ||
76e3520e | 3508 | STATIC void |
cea2e8a9 | 3509 | S_init_main_stash(pTHX) |
79072805 | 3510 | { |
97aff369 | 3511 | dVAR; |
463ee0b2 | 3512 | GV *gv; |
6e72f9df | 3513 | |
3280af22 | 3514 | PL_curstash = PL_defstash = newHV(); |
23579a14 NC |
3515 | /* We know that the string "main" will be in the global shared string |
3516 | table, so it's a small saving to use it rather than allocate another | |
3517 | 8 bytes. */ | |
18916d0d | 3518 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3519 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3520 | /* If we hadn't caused another reference to "main" to be in the shared |
3521 | string table above, then it would be worth reordering these two, | |
3522 | because otherwise all we do is delete "main" from it as a consequence | |
3523 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3524 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3525 | hv_name_set(PL_defstash, "main", 4, 0); |
85fbaab2 | 3526 | GvHV(gv) = MUTABLE_HV(SvREFCNT_inc_simple(PL_defstash)); |
463ee0b2 | 3527 | SvREADONLY_on(gv); |
fafc274c NC |
3528 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3529 | SVt_PVAV))); | |
5a5094bd | 3530 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3531 | GvMULTI_on(PL_incgv); |
fafc274c | 3532 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
3280af22 | 3533 | GvMULTI_on(PL_hintgv); |
fafc274c | 3534 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3535 | SvREFCNT_inc_simple_void(PL_defgv); |
fafc274c | 3536 | PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV)); |
5a5094bd | 3537 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3538 | GvMULTI_on(PL_errgv); |
fafc274c | 3539 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
3280af22 | 3540 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3541 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3542 | #ifdef PERL_DONT_CREATE_GVSV |
3543 | gv_SVadd(PL_errgv); | |
3544 | #endif | |
38a03e6e | 3545 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
ab69dbc2 | 3546 | CLEAR_ERRSV(); |
3280af22 | 3547 | PL_curstash = PL_defstash; |
11faa288 | 3548 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3549 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3550 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3551 | SVt_PVHV)); | |
4633a7c4 | 3552 | /* We must init $/ before switches are processed. */ |
64ace3f8 | 3553 | sv_setpvs(get_sv("/", GV_ADD), "\n"); |
79072805 LW |
3554 | } |
3555 | ||
fdf5d70d | 3556 | STATIC int |
2f352907 | 3557 | S_open_script(pTHX_ const char *scriptname, bool dosearch, |
f20b2998 | 3558 | bool *suidscript, PerlIO **rsfpp) |
79072805 | 3559 | { |
fdf5d70d | 3560 | int fdscript = -1; |
27da23d5 | 3561 | dVAR; |
1b24ed4b | 3562 | |
7918f24d NC |
3563 | PERL_ARGS_ASSERT_OPEN_SCRIPT; |
3564 | ||
3280af22 | 3565 | if (PL_e_script) { |
8afc33d6 | 3566 | PL_origfilename = savepvs("-e"); |
96436eeb | 3567 | } |
6c4ab083 GS |
3568 | else { |
3569 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3570 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3571 | |
3572 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3573 | const char *s = scriptname + 8; |
fdf5d70d | 3574 | fdscript = atoi(s); |
6c4ab083 GS |
3575 | while (isDIGIT(*s)) |
3576 | s++; | |
3577 | if (*s) { | |
ae3f3efd PS |
3578 | /* PSz 18 Feb 04 |
3579 | * Tell apart "normal" usage of fdscript, e.g. | |
3580 | * with bash on FreeBSD: | |
3581 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3582 | * from usage in suidperl. | |
3583 | * Does any "normal" usage leave garbage after the number??? | |
3584 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3585 | * suidperl? | |
3586 | */ | |
f20b2998 | 3587 | *suidscript = TRUE; |
ae3f3efd PS |
3588 | /* PSz 20 Feb 04 |
3589 | * Be supersafe and do some sanity-checks. | |
3590 | * Still, can we be sure we got the right thing? | |
3591 | */ | |
3592 | if (*s != '/') { | |
3593 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3594 | } | |
3595 | if (! *(s+1)) { | |
3596 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3597 | } | |
6c4ab083 | 3598 | scriptname = savepv(s + 1); |
3280af22 | 3599 | Safefree(PL_origfilename); |
dd374669 | 3600 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3601 | } |
3602 | } | |
3603 | } | |
3604 | ||
05ec9bb3 | 3605 | CopFILE_free(PL_curcop); |
57843af0 | 3606 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3607 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3608 | scriptname = (char *)""; |
fdf5d70d | 3609 | if (fdscript >= 0) { |
2f9285f8 | 3610 | *rsfpp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
1b24ed4b | 3611 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3612 | if (*rsfpp) |
1b24ed4b | 3613 | /* ensure close-on-exec */ |
2f9285f8 | 3614 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3615 | # endif |
96436eeb | 3616 | } |
79072805 | 3617 | else if (!*scriptname) { |
cdd8118e | 3618 | forbid_setid(0, *suidscript); |
2f9285f8 | 3619 | *rsfpp = PerlIO_stdin(); |
79072805 | 3620 | } |
96436eeb | 3621 | else { |
9c12f1e5 RGS |
3622 | #ifdef FAKE_BIT_BUCKET |
3623 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3624 | * is called) and still have the "-e" work. (Believe it or not, | |
3625 | * a /dev/null is required for the "-e" to work because source | |
3626 | * filter magic is used to implement it. ) This is *not* a general | |
3627 | * replacement for a /dev/null. What we do here is create a temp | |
3628 | * file (an empty file), open up that as the script, and then | |
3629 | * immediately close and unlink it. Close enough for jazz. */ | |
3630 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3631 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3632 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3633 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3634 | FAKE_BIT_BUCKET_TEMPLATE | |
3635 | }; | |
3636 | const char * const err = "Failed to create a fake bit bucket"; | |
3637 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3638 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3639 | int tmpfd = mkstemp(tmpname); | |
3640 | if (tmpfd > -1) { | |
3641 | scriptname = tmpname; | |
3642 | close(tmpfd); | |
3643 | } else | |
3644 | Perl_croak(aTHX_ err); | |
3645 | #else | |
3646 | # ifdef HAS_MKTEMP | |
3647 | scriptname = mktemp(tmpname); | |
3648 | if (!scriptname) | |
3649 | Perl_croak(aTHX_ err); | |
3650 | # endif | |
3651 | #endif | |
3652 | } | |
3653 | #endif | |
2f9285f8 | 3654 | *rsfpp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3655 | #ifdef FAKE_BIT_BUCKET |
3656 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3657 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3658 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3659 | unlink(scriptname); | |
3660 | } | |
3661 | scriptname = BIT_BUCKET; | |
3662 | #endif | |
1b24ed4b | 3663 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3664 | if (*rsfpp) |
1b24ed4b | 3665 | /* ensure close-on-exec */ |
2f9285f8 | 3666 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3667 | # endif |
96436eeb | 3668 | } |
2f9285f8 | 3669 | if (!*rsfpp) { |
447218f8 | 3670 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3671 | if (PL_e_script) |
3672 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3673 | else | |
3674 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3675 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3676 | } |
fdf5d70d | 3677 | return fdscript; |
79072805 | 3678 | } |
8d063cd8 | 3679 | |
7b89560d JH |
3680 | /* Mention |
3681 | * I_SYSSTATVFS HAS_FSTATVFS | |
3682 | * I_SYSMOUNT | |
c890dc6c | 3683 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3684 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3685 | * here so that metaconfig picks them up. */ | |
3686 | ||
104d25b7 | 3687 | |
cc69b689 | 3688 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
ec2019ad | 3689 | /* Don't even need this function. */ |
cc69b689 | 3690 | #else |
ec2019ad NC |
3691 | STATIC void |
3692 | S_validate_suid(pTHX_ PerlIO *rsfp) | |
3693 | { | |
7918f24d NC |
3694 | PERL_ARGS_ASSERT_VALIDATE_SUID; |
3695 | ||
3280af22 | 3696 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a2e578da MHM |
3697 | dVAR; |
3698 | ||
2f9285f8 | 3699 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
b28d0864 | 3700 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 3701 | || |
b28d0864 | 3702 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3703 | ) |
b28d0864 | 3704 | if (!PL_do_undump) |
cea2e8a9 | 3705 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 3706 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
a687059c | 3707 | /* not set-id, must be wrapped */ |
a687059c | 3708 | } |
79072805 | 3709 | } |
cc69b689 | 3710 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
13281fa4 | 3711 | |
76e3520e | 3712 | STATIC void |
2f9285f8 | 3713 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 3714 | { |
97aff369 | 3715 | dVAR; |
c7030b81 | 3716 | const char *s; |
dd374669 | 3717 | register const char *s2; |
33b78306 | 3718 | |
7918f24d NC |
3719 | PERL_ARGS_ASSERT_FIND_BEGINNING; |
3720 | ||
33b78306 LW |
3721 | /* skip forward in input to the real script? */ |
3722 | ||
737c24fc | 3723 | do { |
2f9285f8 | 3724 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 3725 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
4f0c37ba | 3726 | s2 = s; |
737c24fc Z |
3727 | } while (!(*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL"))))); |
3728 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ | |
3729 | while (*s && !(isSPACE (*s) || *s == '#')) s++; | |
3730 | s2 = s; | |
3731 | while (*s == ' ' || *s == '\t') s++; | |
3732 | if (*s++ == '-') { | |
3733 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' | |
3734 | || s2[-1] == '_') s2--; | |
3735 | if (strnEQ(s2-4,"perl",4)) | |
3736 | while ((s = moreswitches(s))) | |
3737 | ; | |
83025b21 LW |
3738 | } |
3739 | } | |
3740 | ||
afe37c7d | 3741 | |
76e3520e | 3742 | STATIC void |
cea2e8a9 | 3743 | S_init_ids(pTHX) |
352d5a3a | 3744 | { |
97aff369 | 3745 | dVAR; |
d8eceb89 JH |
3746 | PL_uid = PerlProc_getuid(); |
3747 | PL_euid = PerlProc_geteuid(); | |
3748 | PL_gid = PerlProc_getgid(); | |
3749 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3750 | #ifdef VMS |
b28d0864 NIS |
3751 | PL_uid |= PL_gid << 16; |
3752 | PL_euid |= PL_egid << 16; | |
748a9306 | 3753 | #endif |
22f7c9c9 JH |
3754 | /* Should not happen: */ |
3755 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 3756 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
ae3f3efd PS |
3757 | /* BUG */ |
3758 | /* PSz 27 Feb 04 | |
3759 | * Should go by suidscript, not uid!=euid: why disallow | |
3760 | * system("ls") in scripts run from setuid things? | |
3761 | * Or, is this run before we check arguments and set suidscript? | |
3762 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
3763 | * (We never have suidscript, can we be sure to have fdscript?) | |
3764 | * Or must then go by UID checks? See comments in forbid_setid also. | |
3765 | */ | |
748a9306 | 3766 | } |
79072805 | 3767 | |
a0643315 JH |
3768 | /* This is used very early in the lifetime of the program, |
3769 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 3770 | * not been initialized properly. */ |
af419de7 | 3771 | bool |
8f42b153 | 3772 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 3773 | { |
c3446a78 JH |
3774 | #ifndef PERL_IMPLICIT_SYS |
3775 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
3776 | * before we have an interpreter-- and the whole point of this | |
3777 | * function is to be called at such an early stage. If you are on | |
3778 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
3779 | * "tainted because running with altered effective ids', you'll | |
3780 | * have to add your own checks somewhere in here. The two most | |
3781 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
3782 | * of which has much of concept of 'uids'. */ | |
af419de7 | 3783 | int uid = PerlProc_getuid(); |
22f7c9c9 | 3784 | int euid = PerlProc_geteuid(); |
af419de7 | 3785 | int gid = PerlProc_getgid(); |
22f7c9c9 | 3786 | int egid = PerlProc_getegid(); |
6867be6d | 3787 | (void)envp; |
22f7c9c9 JH |
3788 | |
3789 | #ifdef VMS | |
af419de7 | 3790 | uid |= gid << 16; |
22f7c9c9 JH |
3791 | euid |= egid << 16; |
3792 | #endif | |
3793 | if (uid && (euid != uid || egid != gid)) | |
3794 | return 1; | |
c3446a78 | 3795 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
3796 | /* This is a really primitive check; environment gets ignored only |
3797 | * if -T are the first chars together; otherwise one gets | |
3798 | * "Too late" message. */ | |
22f7c9c9 JH |
3799 | if ( argc > 1 && argv[1][0] == '-' |
3800 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
3801 | return 1; | |
3802 | return 0; | |
3803 | } | |
22f7c9c9 | 3804 | |
d0bafe7e NC |
3805 | /* Passing the flag as a single char rather than a string is a slight space |
3806 | optimisation. The only message that isn't /^-.$/ is | |
3807 | "program input from stdin", which is substituted in place of '\0', which | |
3808 | could never be a command line flag. */ | |
76e3520e | 3809 | STATIC void |
f20b2998 | 3810 | S_forbid_setid(pTHX_ const char flag, const bool suidscript) /* g */ |
bbce6d69 | 3811 | { |
97aff369 | 3812 | dVAR; |
d0bafe7e NC |
3813 | char string[3] = "-x"; |
3814 | const char *message = "program input from stdin"; | |
3815 | ||
3816 | if (flag) { | |
3817 | string[1] = flag; | |
3818 | message = string; | |
3819 | } | |
3820 | ||
ae3f3efd | 3821 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
3280af22 | 3822 | if (PL_euid != PL_uid) |
d0bafe7e | 3823 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
3280af22 | 3824 | if (PL_egid != PL_gid) |
d0bafe7e | 3825 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd | 3826 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
f20b2998 | 3827 | if (suidscript) |
d0bafe7e | 3828 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
bbce6d69 | 3829 | } |
3830 | ||
1ee4443e | 3831 | void |
5b235299 NC |
3832 | Perl_init_dbargs(pTHX) |
3833 | { | |
3834 | AV *const args = PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", | |
3835 | GV_ADDMULTI, | |
3836 | SVt_PVAV)))); | |
3837 | ||
3838 | if (AvREAL(args)) { | |
3839 | /* Someone has already created it. | |
3840 | It might have entries, and if we just turn off AvREAL(), they will | |
3841 | "leak" until global destruction. */ | |
3842 | av_clear(args); | |
3843 | } | |
3844 | AvREAL_off(PL_dbargs); /* XXX should be REIFY (see av.h) */ | |
3845 | } | |
3846 | ||
3847 | void | |
1ee4443e | 3848 | Perl_init_debugger(pTHX) |
748a9306 | 3849 | { |
97aff369 | 3850 | dVAR; |
c4420975 | 3851 | HV * const ostash = PL_curstash; |
1ee4443e | 3852 | |
3280af22 | 3853 | PL_curstash = PL_debstash; |
5b235299 NC |
3854 | |
3855 | Perl_init_dbargs(aTHX); | |
5c1737d1 NC |
3856 | PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV); |
3857 | PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
3858 | PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
3859 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); | |
4c0f30d6 NC |
3860 | if (!SvIOK(PL_DBsingle)) |
3861 | sv_setiv(PL_DBsingle, 0); | |
5c1737d1 | 3862 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3863 | if (!SvIOK(PL_DBtrace)) |
3864 | sv_setiv(PL_DBtrace, 0); | |
5c1737d1 | 3865 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
4c0f30d6 NC |
3866 | if (!SvIOK(PL_DBsignal)) |
3867 | sv_setiv(PL_DBsignal, 0); | |
1ee4443e | 3868 | PL_curstash = ostash; |
352d5a3a LW |
3869 | } |
3870 | ||
2ce36478 SM |
3871 | #ifndef STRESS_REALLOC |
3872 | #define REASONABLE(size) (size) | |
3873 | #else | |
3874 | #define REASONABLE(size) (1) /* unreasonable */ | |
3875 | #endif | |
3876 | ||
11343788 | 3877 | void |
cea2e8a9 | 3878 | Perl_init_stacks(pTHX) |
79072805 | 3879 | { |
97aff369 | 3880 | dVAR; |
e336de0d | 3881 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 3882 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 3883 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
3884 | PL_curstackinfo->si_type = PERLSI_MAIN; |
3885 | PL_curstack = PL_curstackinfo->si_stack; | |
3886 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 3887 | |
3280af22 NIS |
3888 | PL_stack_base = AvARRAY(PL_curstack); |
3889 | PL_stack_sp = PL_stack_base; | |
3890 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 3891 | |
a02a5408 | 3892 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
3893 | PL_tmps_floor = -1; |
3894 | PL_tmps_ix = -1; | |
3895 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 3896 | |
a02a5408 | 3897 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
3898 | PL_markstack_ptr = PL_markstack; |
3899 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 3900 | |
ce2f7c3b | 3901 | SET_MARK_OFFSET; |
e336de0d | 3902 | |
a02a5408 | 3903 | Newx(PL_scopestack,REASONABLE(32),I32); |
d343c3ef GG |
3904 | #ifdef DEBUGGING |
3905 | Newx(PL_scopestack_name,REASONABLE(32),const char*); | |
3906 | #endif | |
3280af22 NIS |
3907 | PL_scopestack_ix = 0; |
3908 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 3909 | |
a02a5408 | 3910 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
3911 | PL_savestack_ix = 0; |
3912 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 3913 | } |
33b78306 | 3914 | |
2ce36478 SM |
3915 | #undef REASONABLE |
3916 | ||
76e3520e | 3917 | STATIC void |
cea2e8a9 | 3918 | S_nuke_stacks(pTHX) |
6e72f9df | 3919 | { |
97aff369 | 3920 | dVAR; |
3280af22 NIS |
3921 | while (PL_curstackinfo->si_next) |
3922 | PL_curstackinfo = PL_curstackinfo->si_next; | |
3923 | while (PL_curstackinfo) { | |
3924 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 3925 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
3926 | Safefree(PL_curstackinfo->si_cxstack); |
3927 | Safefree(PL_curstackinfo); | |
3928 | PL_curstackinfo = p; | |
e336de0d | 3929 | } |
3280af22 NIS |
3930 | Safefree(PL_tmps_stack); |
3931 | Safefree(PL_markstack); | |
3932 | Safefree(PL_scopestack); | |
58780814 GG |
3933 | #ifdef DEBUGGING |
3934 | Safefree(PL_scopestack_name); | |
3935 | #endif | |
3280af22 | 3936 | Safefree(PL_savestack); |
378cc40b | 3937 | } |
33b78306 | 3938 | |
74e8ce34 NC |
3939 | void |
3940 | Perl_populate_isa(pTHX_ const char *name, STRLEN len, ...) | |
3941 | { | |
3942 | GV *const gv = gv_fetchpvn(name, len, GV_ADD | GV_ADDMULTI, SVt_PVAV); | |
3943 | AV *const isa = GvAVn(gv); | |
3944 | va_list args; | |
3945 | ||
3946 | PERL_ARGS_ASSERT_POPULATE_ISA; | |
3947 | ||
3948 | if(AvFILLp(isa) != -1) | |
3949 | return; | |
3950 | ||
3951 | /* NOTE: No support for tied ISA */ | |
3952 | ||
3953 | va_start(args, len); | |
3954 | do { | |
3955 | const char *const parent = va_arg(args, const char*); | |
3956 | size_t parent_len; | |
3957 | ||
3958 | if (!parent) | |
3959 | break; | |
3960 | parent_len = va_arg(args, size_t); | |
3961 | ||
3962 | /* Arguments are supplied with a trailing :: */ | |
3963 | assert(parent_len > 2); | |
3964 | assert(parent[parent_len - 1] == ':'); | |
3965 | assert(parent[parent_len - 2] == ':'); | |
3966 | av_push(isa, newSVpvn(parent, parent_len - 2)); | |
3967 | (void) gv_fetchpvn(parent, parent_len, GV_ADD, SVt_PVGV); | |
3968 | } while (1); | |
3969 | va_end(args); | |
3970 | } | |
3971 | ||
8990e307 | 3972 | |
76e3520e | 3973 | STATIC void |
cea2e8a9 | 3974 | S_init_predump_symbols(pTHX) |
45d8adaa | 3975 | { |
97aff369 | 3976 | dVAR; |
93a17b20 | 3977 | GV *tmpgv; |
af8c498a | 3978 | IO *io; |
79072805 | 3979 | |
64ace3f8 | 3980 | sv_setpvs(get_sv("\"", GV_ADD), " "); |
e23d9e2f CS |
3981 | PL_ofsgv = (GV*)SvREFCNT_inc(gv_fetchpvs(",", GV_ADD|GV_NOTQUAL, SVt_PV)); |
3982 | ||
d963bf01 NC |
3983 | |
3984 | /* Historically, PVIOs were blessed into IO::Handle, unless | |
3985 | FileHandle was loaded, in which case they were blessed into | |
3986 | that. Action at a distance. | |
3987 | However, if we simply bless into IO::Handle, we break code | |
3988 | that assumes that PVIOs will have (among others) a seek | |
3989 | method. IO::File inherits from IO::Handle and IO::Seekable, | |
3990 | and provides the needed methods. But if we simply bless into | |
3991 | it, then we break code that assumed that by loading | |
3992 | IO::Handle, *it* would work. | |
3993 | So a compromise is to set up the correct @IO::File::ISA, | |
3994 | so that code that does C<use IO::Handle>; will still work. | |
3995 | */ | |
3996 | ||
74e8ce34 NC |
3997 | Perl_populate_isa(aTHX_ STR_WITH_LEN("IO::File::ISA"), |
3998 | STR_WITH_LEN("IO::Handle::"), | |
3999 | STR_WITH_LEN("IO::Seekable::"), | |
4000 | STR_WITH_LEN("Exporter::"), | |
4001 | NULL); | |
d963bf01 | 4002 | |
fafc274c | 4003 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4004 | GvMULTI_on(PL_stdingv); |
af8c498a | 4005 | io = GvIOp(PL_stdingv); |
a04651f4 | 4006 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4007 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4008 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4009 | GvMULTI_on(tmpgv); |
a45c7426 | 4010 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4011 | |
fafc274c | 4012 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4013 | GvMULTI_on(tmpgv); |
af8c498a | 4014 | io = GvIOp(tmpgv); |
a04651f4 | 4015 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4016 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4017 | setdefout(tmpgv); |
fafc274c | 4018 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4019 | GvMULTI_on(tmpgv); |
a45c7426 | 4020 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4021 | |
fafc274c | 4022 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4023 | GvMULTI_on(PL_stderrgv); |
4024 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4025 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4026 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4027 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4028 | GvMULTI_on(tmpgv); |
a45c7426 | 4029 | GvIOp(tmpgv) = MUTABLE_IO(SvREFCNT_inc_simple(io)); |
79072805 | 4030 | |
561b68a9 | 4031 | PL_statname = newSV(0); /* last filename we did stat on */ |
79072805 | 4032 | } |
33b78306 | 4033 | |
a11ec5a9 | 4034 | void |
8f42b153 | 4035 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) |
33b78306 | 4036 | { |
97aff369 | 4037 | dVAR; |
7918f24d NC |
4038 | |
4039 | PERL_ARGS_ASSERT_INIT_ARGV_SYMBOLS; | |
4040 | ||
79072805 | 4041 | argc--,argv++; /* skip name of script */ |
3280af22 | 4042 | if (PL_doswitches) { |
79072805 | 4043 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4044 | char *s; |
79072805 LW |
4045 | if (!argv[0][1]) |
4046 | break; | |
379d538a | 4047 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4048 | argc--,argv++; |
4049 | break; | |
4050 | } | |
155aba94 | 4051 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4052 | const char *const start_name = argv[0] + 1; |
4053 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4054 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4055 | } |
4056 | else | |
71315bf2 | 4057 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4058 | } |
79072805 | 4059 | } |
fafc274c | 4060 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
a11ec5a9 RGS |
4061 | GvMULTI_on(PL_argvgv); |
4062 | (void)gv_AVadd(PL_argvgv); | |
4063 | av_clear(GvAVn(PL_argvgv)); | |
4064 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4065 | SV * const sv = newSVpv(argv[0],0); |
a11ec5a9 | 4066 | av_push(GvAVn(PL_argvgv),sv); |
ce81ff12 JH |
4067 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4068 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4069 | SvUTF8_on(sv); | |
4070 | } | |
a05d7ebb JH |
4071 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4072 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4073 | } |
4074 | } | |
4075 | } | |
4076 | ||
4077 | STATIC void | |
4078 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
4079 | { | |
27da23d5 | 4080 | dVAR; |
a11ec5a9 | 4081 | GV* tmpgv; |
a11ec5a9 | 4082 | |
7918f24d NC |
4083 | PERL_ARGS_ASSERT_INIT_POSTDUMP_SYMBOLS; |
4084 | ||
b9f83d2f | 4085 | PL_toptarget = newSV_type(SVt_PVFM); |
76f68e9b | 4086 | sv_setpvs(PL_toptarget, ""); |
b9f83d2f | 4087 | PL_bodytarget = newSV_type(SVt_PVFM); |
76f68e9b | 4088 | sv_setpvs(PL_bodytarget, ""); |
3280af22 | 4089 | PL_formtarget = PL_bodytarget; |
79072805 | 4090 | |
bbce6d69 | 4091 | TAINT; |
a11ec5a9 RGS |
4092 | |
4093 | init_argv_symbols(argc,argv); | |
4094 | ||
fafc274c | 4095 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
3280af22 | 4096 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4097 | } |
fafc274c | 4098 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4099 | HV *hv; |
e17132c1 | 4100 | bool env_is_not_environ; |
3280af22 NIS |
4101 | GvMULTI_on(PL_envgv); |
4102 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4103 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4104 | #ifndef PERL_MICRO |
fa6a1c44 | 4105 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4106 | /* Note that if the supplied env parameter is actually a copy |
4107 | of the global environ then it may now point to free'd memory | |
4108 | if the environment has been modified since. To avoid this | |
4109 | problem we treat env==NULL as meaning 'use the default' | |
4110 | */ | |
4111 | if (!env) | |
4112 | env = environ; | |
e17132c1 JD |
4113 | env_is_not_environ = env != environ; |
4114 | if (env_is_not_environ | |
4efc5df6 GS |
4115 | # ifdef USE_ITHREADS |
4116 | && PL_curinterp == aTHX | |
4117 | # endif | |
4118 | ) | |
4119 | { | |
bd61b366 | 4120 | environ[0] = NULL; |
4efc5df6 | 4121 | } |
9b4eeda5 | 4122 | if (env) { |
9d27dca9 | 4123 | char *s, *old_var; |
27da23d5 | 4124 | SV *sv; |
764df951 | 4125 | for (; *env; env++) { |
9d27dca9 MT |
4126 | old_var = *env; |
4127 | ||
4128 | if (!(s = strchr(old_var,'=')) || s == old_var) | |
79072805 | 4129 | continue; |
9d27dca9 | 4130 | |
7da0e383 | 4131 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4132 | *s = '\0'; |
9d27dca9 | 4133 | (void)strupr(old_var); |
61968511 | 4134 | *s = '='; |
137443ea | 4135 | #endif |
61968511 | 4136 | sv = newSVpv(s+1, 0); |
9d27dca9 | 4137 | (void)hv_store(hv, old_var, s - old_var, sv, 0); |
e17132c1 | 4138 | if (env_is_not_environ) |
61968511 | 4139 | mg_set(sv); |
764df951 | 4140 | } |
9b4eeda5 | 4141 | } |
103a7189 | 4142 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4143 | #endif /* !PERL_MICRO */ |
79072805 | 4144 | } |
bbce6d69 | 4145 | TAINT_NOT; |
fafc274c | 4146 | if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
306196c3 | 4147 | SvREADONLY_off(GvSV(tmpgv)); |
7766f137 | 4148 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
4149 | SvREADONLY_on(GvSV(tmpgv)); |
4150 | } | |
4d76a344 RGS |
4151 | #ifdef THREADS_HAVE_PIDS |
4152 | PL_ppid = (IV)getppid(); | |
4153 | #endif | |
2710853f MJD |
4154 | |
4155 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4156 | if (PL_minus_a) { | |
cbfd0a87 | 4157 | (void) get_av("main::F", GV_ADD | GV_ADDMULTI); |
2710853f | 4158 | } |
33b78306 | 4159 | } |
34de22dd | 4160 | |
76e3520e | 4161 | STATIC void |
2cace6ac | 4162 | S_init_perllib(pTHX) |
34de22dd | 4163 | { |
97aff369 | 4164 | dVAR; |
32910c7a | 4165 | #ifndef VMS |
929e5b34 | 4166 | const char *perl5lib = NULL; |
32910c7a | 4167 | #endif |
35ba5ce9 | 4168 | const char *s; |
a7560424 | 4169 | #if defined(WIN32) && !defined(PERL_IS_MINIPERL) |
e6a0bbf8 NC |
4170 | STRLEN len; |
4171 | #endif | |
4172 | ||
3280af22 | 4173 | if (!PL_tainting) { |
552a7a9b | 4174 | #ifndef VMS |
32910c7a | 4175 | perl5lib = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4176 | /* |
4177 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4178 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4179 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4180 | */ |
4181 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4182 | if (perl5lib && *perl5lib != '\0') |
88f5bc07 | 4183 | #else |
32910c7a | 4184 | if (perl5lib) |
88f5bc07 | 4185 | #endif |
32910c7a | 4186 | incpush_use_sep(perl5lib, 0, INCPUSH_ADD_SUB_DIRS); |
2cace6ac | 4187 | else { |
4705144d NC |
4188 | s = PerlEnv_getenv("PERLLIB"); |
4189 | if (s) | |
50d61629 | 4190 | incpush_use_sep(s, 0, 0); |
4705144d | 4191 | } |
552a7a9b | 4192 | #else /* VMS */ |
4193 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4194 | * "natural" VMS idiom for a Unix path string. We allow each | |
4195 | * element to be a set of |-separated directories for compatibility. | |
4196 | */ | |
4197 | char buf[256]; | |
4198 | int idx = 0; | |
4199 | if (my_trnlnm("PERL5LIB",buf,0)) | |
e28f3139 | 4200 | do { |
2cace6ac | 4201 | incpush_use_sep(buf, 0, INCPUSH_ADD_SUB_DIRS); |
e28f3139 | 4202 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
f05b5874 | 4203 | else { |
e28f3139 | 4204 | while (my_trnlnm("PERLLIB",buf,idx++)) |
50d61629 | 4205 | incpush_use_sep(buf, 0, 0); |
f05b5874 | 4206 | } |
552a7a9b | 4207 | #endif /* VMS */ |
85e6fe83 | 4208 | } |
34de22dd | 4209 | |
b0e687f7 NC |
4210 | #ifndef PERL_IS_MINIPERL |
4211 | /* miniperl gets just -I..., the split of $ENV{PERL5LIB}, and "." in @INC | |
4212 | (and not the architecture specific directories from $ENV{PERL5LIB}) */ | |
4213 | ||
c90c0ff4 | 4214 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
826e305c | 4215 | SITEARCH, SITELIB, VENDORARCH, VENDORLIB, ARCHLIB and PRIVLIB |
df5cef82 | 4216 | */ |
4633a7c4 | 4217 | #ifdef APPLLIB_EXP |
be71fc8f NC |
4218 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), |
4219 | INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
16d20bd9 | 4220 | #endif |
4633a7c4 | 4221 | |
65f19062 | 4222 | #ifdef SITEARCH_EXP |
3b290362 GS |
4223 | /* sitearch is always relative to sitelib on Windows for |
4224 | * DLL-based path intuition to work correctly */ | |
4225 | # if !defined(WIN32) | |
be71fc8f NC |
4226 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITEARCH_EXP), |
4227 | INCPUSH_CAN_RELOCATE); | |
65f19062 GS |
4228 | # endif |
4229 | #endif | |
4230 | ||
4633a7c4 | 4231 | #ifdef SITELIB_EXP |
65f19062 | 4232 | # if defined(WIN32) |
574c798a | 4233 | /* this picks up sitearch as well */ |
e6a0bbf8 | 4234 | s = win32_get_sitelib(PERL_FS_VERSION, &len); |
1fa74d9f | 4235 | if (s) |
e6a0bbf8 | 4236 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4237 | # else |
50d61629 | 4238 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_EXP), INCPUSH_CAN_RELOCATE); |
65f19062 GS |
4239 | # endif |
4240 | #endif | |
189d1e8d | 4241 | |
65f19062 | 4242 | #ifdef PERL_VENDORARCH_EXP |
4ea817c6 | 4243 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4244 | * DLL-based path intuition to work correctly */ |
4245 | # if !defined(WIN32) | |
be71fc8f NC |
4246 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORARCH_EXP), |
4247 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4248 | # endif |
4b03c463 | 4249 | #endif |
65f19062 GS |
4250 | |
4251 | #ifdef PERL_VENDORLIB_EXP | |
4252 | # if defined(WIN32) | |
e28f3139 | 4253 | /* this picks up vendorarch as well */ |
e6a0bbf8 | 4254 | s = win32_get_vendorlib(PERL_FS_VERSION, &len); |
1fa74d9f | 4255 | if (s) |
e6a0bbf8 | 4256 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); |
65f19062 | 4257 | # else |
be71fc8f NC |
4258 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_EXP), |
4259 | INCPUSH_CAN_RELOCATE); | |
65f19062 | 4260 | # endif |
a3635516 | 4261 | #endif |
65f19062 | 4262 | |
b9ba2fad | 4263 | #ifdef ARCHLIB_EXP |
2cace6ac | 4264 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(ARCHLIB_EXP), INCPUSH_CAN_RELOCATE); |
b9ba2fad NC |
4265 | #endif |
4266 | ||
4267 | #ifndef PRIVLIB_EXP | |
4268 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
4269 | #endif | |
4270 | ||
4271 | #if defined(WIN32) | |
2cace6ac NC |
4272 | s = win32_get_privlib(PERL_FS_VERSION, &len); |
4273 | if (s) | |
4274 | incpush_use_sep(s, len, INCPUSH_ADD_SUB_DIRS|INCPUSH_CAN_RELOCATE); | |
b9ba2fad | 4275 | #else |
04c9eecc | 4276 | # ifdef NETWARE |
2cace6ac | 4277 | S_incpush_use_sep(aTHX_ PRIVLIB_EXP, 0, INCPUSH_CAN_RELOCATE); |
04c9eecc | 4278 | # else |
2cace6ac | 4279 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PRIVLIB_EXP), INCPUSH_CAN_RELOCATE); |
04c9eecc | 4280 | # endif |
b9ba2fad NC |
4281 | #endif |
4282 | ||
3b777bb4 | 4283 | #ifdef PERL_OTHERLIBDIRS |
1e3208d8 NC |
4284 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4285 | INCPUSH_ADD_VERSIONED_SUB_DIRS|INCPUSH_NOT_BASEDIR | |
2cace6ac NC |
4286 | |INCPUSH_CAN_RELOCATE); |
4287 | #endif | |
2cace6ac NC |
4288 | |
4289 | if (!PL_tainting) { | |
4290 | #ifndef VMS | |
2cace6ac NC |
4291 | /* |
4292 | * It isn't possible to delete an environment variable with | |
4293 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that | |
4294 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
4295 | */ | |
4296 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
32910c7a | 4297 | if (perl5lib && *perl5lib != '\0') |
2cace6ac | 4298 | #else |
32910c7a | 4299 | if (perl5lib) |
2cace6ac | 4300 | #endif |
32910c7a NC |
4301 | incpush_use_sep(perl5lib, 0, |
4302 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4303 | #else /* VMS */ |
4304 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4305 | * "natural" VMS idiom for a Unix path string. We allow each | |
4306 | * element to be a set of |-separated directories for compatibility. | |
4307 | */ | |
4308 | char buf[256]; | |
4309 | int idx = 0; | |
4310 | if (my_trnlnm("PERL5LIB",buf,0)) | |
4311 | do { | |
be71fc8f NC |
4312 | incpush_use_sep(buf, 0, |
4313 | INCPUSH_ADD_OLD_VERS|INCPUSH_NOT_BASEDIR); | |
2cace6ac NC |
4314 | } while (my_trnlnm("PERL5LIB",buf,++idx)); |
4315 | #endif /* VMS */ | |
a26c0e28 | 4316 | } |
2cace6ac NC |
4317 | |
4318 | /* Use the ~-expanded versions of APPLLIB (undocumented), | |
826e305c | 4319 | SITELIB and VENDORLIB for older versions |
2cace6ac NC |
4320 | */ |
4321 | #ifdef APPLLIB_EXP | |
be71fc8f NC |
4322 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(APPLLIB_EXP), INCPUSH_ADD_OLD_VERS |
4323 | |INCPUSH_NOT_BASEDIR|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4324 | #endif |
4325 | ||
2cace6ac NC |
4326 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4327 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4328 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(SITELIB_STEM), |
4329 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4330 | #endif |
4331 | ||
4332 | ||
4333 | #if defined(PERL_VENDORLIB_STEM) && defined(PERL_INC_VERSION_LIST) | |
4334 | /* Search for version-specific dirs below here */ | |
be71fc8f NC |
4335 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_VENDORLIB_STEM), |
4336 | INCPUSH_ADD_OLD_VERS|INCPUSH_CAN_RELOCATE); | |
2cace6ac NC |
4337 | #endif |
4338 | ||
4339 | #ifdef PERL_OTHERLIBDIRS | |
1e3208d8 NC |
4340 | S_incpush_use_sep(aTHX_ STR_WITH_LEN(PERL_OTHERLIBDIRS), |
4341 | INCPUSH_ADD_OLD_VERS|INCPUSH_ADD_ARCHONLY_SUB_DIRS | |
4342 | |INCPUSH_CAN_RELOCATE); | |
3b777bb4 | 4343 | #endif |
b0e687f7 | 4344 | #endif /* !PERL_IS_MINIPERL */ |
3b777bb4 | 4345 | |
2cace6ac | 4346 | if (!PL_tainting) |
55b4bc1c | 4347 | S_incpush(aTHX_ STR_WITH_LEN("."), 0); |
774d564b | 4348 | } |
4349 | ||
a0fd4948 | 4350 | #if defined(DOSISH) || defined(EPOC) || defined(__SYMBIAN32__) |
774d564b | 4351 | # define PERLLIB_SEP ';' |
4352 | #else | |
4353 | # if defined(VMS) | |
4354 | # define PERLLIB_SEP '|' | |
4355 | # else | |
e37778c2 | 4356 | # define PERLLIB_SEP ':' |
774d564b | 4357 | # endif |
4358 | #endif | |
4359 | #ifndef PERLLIB_MANGLE | |
4360 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4361 | #endif |
774d564b | 4362 | |
59d6f6a4 | 4363 | #ifndef PERL_IS_MINIPERL |
ad17a1ae NC |
4364 | /* Push a directory onto @INC if it exists. |
4365 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4366 | onto @INC */ | |
4367 | STATIC SV * | |
7ffdaae6 | 4368 | S_incpush_if_exists(pTHX_ AV *const av, SV *dir, SV *const stem) |
ad17a1ae | 4369 | { |
97aff369 | 4370 | dVAR; |
ad17a1ae | 4371 | Stat_t tmpstatbuf; |
7918f24d NC |
4372 | |
4373 | PERL_ARGS_ASSERT_INCPUSH_IF_EXISTS; | |
4374 | ||
848ef955 | 4375 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae | 4376 | S_ISDIR(tmpstatbuf.st_mode)) { |
3a9a9ba7 | 4377 | av_push(av, dir); |
7ffdaae6 NC |
4378 | dir = newSVsv(stem); |
4379 | } else { | |
4380 | /* Truncate dir back to stem. */ | |
4381 | SvCUR_set(dir, SvCUR(stem)); | |
ad17a1ae NC |
4382 | } |
4383 | return dir; | |
4384 | } | |
59d6f6a4 | 4385 | #endif |
ad17a1ae | 4386 | |
76e3520e | 4387 | STATIC void |
55b4bc1c | 4388 | S_incpush(pTHX_ const char *const dir, STRLEN len, U32 flags) |
774d564b | 4389 | { |
97aff369 | 4390 | dVAR; |
59d6f6a4 | 4391 | #ifndef PERL_IS_MINIPERL |
7fc73107 | 4392 | const U8 using_sub_dirs |
1e3208d8 NC |
4393 | = (U8)flags & (INCPUSH_ADD_VERSIONED_SUB_DIRS |
4394 | |INCPUSH_ADD_ARCHONLY_SUB_DIRS|INCPUSH_ADD_OLD_VERS); | |
4395 | const U8 add_versioned_sub_dirs | |
4396 | = (U8)flags & INCPUSH_ADD_VERSIONED_SUB_DIRS; | |
4397 | const U8 add_archonly_sub_dirs | |
4398 | = (U8)flags & INCPUSH_ADD_ARCHONLY_SUB_DIRS; | |
6df20272 | 4399 | #ifdef PERL_INC_VERSION_LIST |
6434436b | 4400 | const U8 addoldvers = (U8)flags & INCPUSH_ADD_OLD_VERS; |
6df20272 | 4401 | #endif |
59d6f6a4 | 4402 | #endif |
6434436b NC |
4403 | const U8 canrelocate = (U8)flags & INCPUSH_CAN_RELOCATE; |
4404 | const U8 unshift = (U8)flags & INCPUSH_UNSHIFT; | |
a26c0e28 | 4405 | const U8 push_basedir = (flags & INCPUSH_NOT_BASEDIR) ? 0 : 1; |
08d0d8ab | 4406 | AV *const inc = GvAVn(PL_incgv); |
774d564b | 4407 | |
08d0d8ab NC |
4408 | PERL_ARGS_ASSERT_INCPUSH; |
4409 | assert(len > 0); | |
3a9a9ba7 | 4410 | |
08d0d8ab NC |
4411 | /* Could remove this vestigial extra block, if we don't mind a lot of |
4412 | re-indenting diff noise. */ | |
55b4bc1c NC |
4413 | { |
4414 | SV *libdir; | |
3a9a9ba7 NC |
4415 | /* Change 20189146be79a0596543441fa369c6bf7f85103f, to fix RT#6665, |
4416 | arranged to unshift #! line -I onto the front of @INC. However, | |
4417 | -I can add version and architecture specific libraries, and they | |
4418 | need to go first. The old code assumed that it was always | |
4419 | pushing. Hence to make it work, need to push the architecture | |
4420 | (etc) libraries onto a temporary array, then "unshift" that onto | |
4421 | the front of @INC. */ | |
59d6f6a4 | 4422 | #ifndef PERL_IS_MINIPERL |
7fc73107 | 4423 | AV *const av = (using_sub_dirs) ? (unshift ? newAV() : inc) : NULL; |
59d6f6a4 | 4424 | #endif |
774d564b | 4425 | |
55b4bc1c NC |
4426 | if (len) { |
4427 | /* I am not convinced that this is valid when PERLLIB_MANGLE is | |
4428 | defined to so something (in os2/os2.c), but the code has been | |
4429 | this way, ignoring any possible changed of length, since | |
4430 | 760ac839baf413929cd31cc32ffd6dba6b781a81 (5.003_02) so I'll leave | |
4431 | it be. */ | |
4432 | libdir = newSVpvn(PERLLIB_MANGLE(dir, len), len); | |
4433 | } else { | |
4434 | libdir = newSVpv(PERLLIB_MANGLE(dir, 0), 0); | |
774d564b | 4435 | } |
4436 | ||
81600524 CB |
4437 | #ifdef VMS |
4438 | char *unix; | |
4439 | STRLEN len; | |
4440 | ||
4441 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { | |
4442 | len = strlen(unix); | |
4443 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4444 | sv_usepvn(libdir,unix,len); | |
4445 | } | |
4446 | else | |
4447 | PerlIO_printf(Perl_error_log, | |
4448 | "Failed to unixify @INC element \"%s\"\n", | |
4449 | SvPV(libdir,len)); | |
4450 | #endif | |
4451 | ||
dd374669 AL |
4452 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4453 | parameter. */ | |
4454 | if (canrelocate) { | |
88fe16b2 NC |
4455 | #ifdef PERL_RELOCATABLE_INC |
4456 | /* | |
4457 | * Relocatable include entries are marked with a leading .../ | |
4458 | * | |
4459 | * The algorithm is | |
4460 | * 0: Remove that leading ".../" | |
4461 | * 1: Remove trailing executable name (anything after the last '/') | |
4462 | * from the perl path to give a perl prefix | |
4463 | * Then | |
4464 | * While the @INC element starts "../" and the prefix ends with a real | |
4465 | * directory (ie not . or ..) chop that real directory off the prefix | |
4466 | * and the leading "../" from the @INC element. ie a logical "../" | |
4467 | * cleanup | |
4468 | * Finally concatenate the prefix and the remainder of the @INC element | |
4469 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4470 | * generates /usr/local/lib/perl5 | |
4471 | */ | |
890ce7af | 4472 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4473 | STRLEN libpath_len = SvCUR(libdir); |
4474 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4475 | /* Game on! */ | |
890ce7af | 4476 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4477 | /* Going to use the SV just as a scratch buffer holding a C |
4478 | string: */ | |
4479 | SV *prefix_sv; | |
4480 | char *prefix; | |
4481 | char *lastslash; | |
4482 | ||
4483 | /* $^X is *the* source of taint if tainting is on, hence | |
4484 | SvPOK() won't be true. */ | |
4485 | assert(caret_X); | |
4486 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4487 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4488 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4489 | /* Firstly take off the leading .../ |
4490 | If all else fail we'll do the paths relative to the current | |
4491 | directory. */ | |
4492 | sv_chop(libdir, libpath + 4); | |
4493 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4494 | mortal copies that the mg_get of tainting creates, and | |
4495 | corruption that seems to come via the save stack. | |
4496 | I guess that the save stack isn't correctly set up yet. */ | |
4497 | libpath = SvPVX(libdir); | |
4498 | libpath_len = SvCUR(libdir); | |
4499 | ||
4500 | /* This would work more efficiently with memrchr, but as it's | |
4501 | only a GNU extension we'd need to probe for it and | |
4502 | implement our own. Not hard, but maybe not worth it? */ | |
4503 | ||
4504 | prefix = SvPVX(prefix_sv); | |
4505 | lastslash = strrchr(prefix, '/'); | |
4506 | ||
4507 | /* First time in with the *lastslash = '\0' we just wipe off | |
4508 | the trailing /perl from (say) /usr/foo/bin/perl | |
4509 | */ | |
4510 | if (lastslash) { | |
4511 | SV *tempsv; | |
4512 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4513 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4514 | && (lastslash = strrchr(prefix, '/')))) { | |
4515 | if (lastslash[1] == '\0' | |
4516 | || (lastslash[1] == '.' | |
4517 | && (lastslash[2] == '/' /* ends "/." */ | |
4518 | || (lastslash[2] == '/' | |
4519 | && lastslash[3] == '/' /* or "/.." */ | |
4520 | )))) { | |
4521 | /* Prefix ends "/" or "/." or "/..", any of which | |
4522 | are fishy, so don't do any more logical cleanup. | |
4523 | */ | |
4524 | break; | |
4525 | } | |
4526 | /* Remove leading "../" from path */ | |
4527 | libpath += 3; | |
4528 | libpath_len -= 3; | |
4529 | /* Next iteration round the loop removes the last | |
4530 | directory name from prefix by writing a '\0' in | |
4531 | the while clause. */ | |
4532 | } | |
4533 | /* prefix has been terminated with a '\0' to the correct | |
4534 | length. libpath points somewhere into the libdir SV. | |
4535 | We need to join the 2 with '/' and drop the result into | |
4536 | libdir. */ | |
4537 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4538 | SvREFCNT_dec(libdir); | |
4539 | /* And this is the new libdir. */ | |
4540 | libdir = tempsv; | |
4541 | if (PL_tainting && | |
4542 | (PL_uid != PL_euid || PL_gid != PL_egid)) { | |
486ec47a | 4543 | /* Need to taint relocated paths if running set ID */ |
88fe16b2 NC |
4544 | SvTAINTED_on(libdir); |
4545 | } | |
4546 | } | |
4547 | SvREFCNT_dec(prefix_sv); | |
4548 | } | |
88fe16b2 | 4549 | #endif |
dd374669 | 4550 | } |
59d6f6a4 | 4551 | #ifndef PERL_IS_MINIPERL |
774d564b | 4552 | /* |
4553 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4554 | * archname-specific sub-directories. | |
4555 | */ | |
ee80e7be | 4556 | if (using_sub_dirs) { |
7ffdaae6 | 4557 | SV *subdir; |
29d82f8d | 4558 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 4559 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
4560 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
4561 | const char * const *incver; | |
29d82f8d | 4562 | #endif |
7ffdaae6 NC |
4563 | subdir = newSVsv(libdir); |
4564 | ||
1e3208d8 | 4565 | if (add_versioned_sub_dirs) { |
9c8a64f0 | 4566 | /* .../version/archname if -d .../version/archname */ |
e51b748d | 4567 | sv_catpvs(subdir, "/" PERL_FS_VERSION "/" ARCHNAME); |
7ffdaae6 | 4568 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
4b03c463 | 4569 | |
9c8a64f0 | 4570 | /* .../version if -d .../version */ |
e51b748d | 4571 | sv_catpvs(subdir, "/" PERL_FS_VERSION); |
7ffdaae6 | 4572 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
29d82f8d | 4573 | } |
9c8a64f0 | 4574 | |
9c8a64f0 | 4575 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4576 | if (addoldvers) { |
9c8a64f0 GS |
4577 | for (incver = incverlist; *incver; incver++) { |
4578 | /* .../xxx if -d .../xxx */ | |
e51b748d | 4579 | Perl_sv_catpvf(aTHX_ subdir, "/%s", *incver); |
7ffdaae6 | 4580 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
9c8a64f0 GS |
4581 | } |
4582 | } | |
29d82f8d | 4583 | #endif |
c992324b | 4584 | |
1e3208d8 | 4585 | if (add_archonly_sub_dirs) { |
c992324b | 4586 | /* .../archname if -d .../archname */ |
e51b748d | 4587 | sv_catpvs(subdir, "/" ARCHNAME); |
7ffdaae6 | 4588 | subdir = S_incpush_if_exists(aTHX_ av, subdir, libdir); |
c992324b NC |
4589 | |
4590 | } | |
10cc20f6 NC |
4591 | |
4592 | assert (SvREFCNT(subdir) == 1); | |
4593 | SvREFCNT_dec(subdir); | |
774d564b | 4594 | } |
59d6f6a4 | 4595 | #endif /* !PERL_IS_MINIPERL */ |
20189146 RGS |
4596 | /* finally add this lib directory at the end of @INC */ |
4597 | if (unshift) { | |
76895e89 NC |
4598 | #ifdef PERL_IS_MINIPERL |
4599 | const U32 extra = 0; | |
4600 | #else | |
3a9a9ba7 | 4601 | U32 extra = av_len(av) + 1; |
76895e89 | 4602 | #endif |
a26c0e28 NC |
4603 | av_unshift(inc, extra + push_basedir); |
4604 | if (push_basedir) | |
4605 | av_store(inc, extra, libdir); | |
76895e89 | 4606 | #ifndef PERL_IS_MINIPERL |
3a9a9ba7 NC |
4607 | while (extra--) { |
4608 | /* av owns a reference, av_store() expects to be donated a | |
4609 | reference, and av expects to be sane when it's cleared. | |
4610 | If I wanted to be naughty and wrong, I could peek inside the | |
4611 | implementation of av_clear(), realise that it uses | |
4612 | SvREFCNT_dec() too, so av's array could be a run of NULLs, | |
4613 | and so directly steal from it (with a memcpy() to inc, and | |
4614 | then memset() to NULL them out. But people copy code from the | |
4615 | core expecting it to be best practise, so let's use the API. | |
4616 | Although studious readers will note that I'm not checking any | |
4617 | return codes. */ | |
4618 | av_store(inc, extra, SvREFCNT_inc(*av_fetch(av, extra, FALSE))); | |
4619 | } | |
4620 | SvREFCNT_dec(av); | |
59d6f6a4 | 4621 | #endif |
20189146 | 4622 | } |
a26c0e28 | 4623 | else if (push_basedir) { |
3a9a9ba7 | 4624 | av_push(inc, libdir); |
20189146 | 4625 | } |
a26c0e28 NC |
4626 | |
4627 | if (!push_basedir) { | |
4628 | assert (SvREFCNT(libdir) == 1); | |
4629 | SvREFCNT_dec(libdir); | |
4630 | } | |
774d564b | 4631 | } |
34de22dd | 4632 | } |
93a17b20 | 4633 | |
55b4bc1c | 4634 | STATIC void |
50d61629 | 4635 | S_incpush_use_sep(pTHX_ const char *p, STRLEN len, U32 flags) |
55b4bc1c | 4636 | { |
50d61629 NC |
4637 | const char *s; |
4638 | const char *end; | |
55b4bc1c NC |
4639 | /* This logic has been broken out from S_incpush(). It may be possible to |
4640 | simplify it. */ | |
4641 | ||
4705144d NC |
4642 | PERL_ARGS_ASSERT_INCPUSH_USE_SEP; |
4643 | ||
f31c6eed JD |
4644 | /* perl compiled with -DPERL_RELOCATABLE_INCPUSH will ignore the len |
4645 | * argument to incpush_use_sep. This allows creation of relocatable | |
4646 | * Perl distributions that patch the binary at install time. Those | |
4647 | * distributions will have to provide their own relocation tools; this | |
4648 | * is not a feature otherwise supported by core Perl. | |
4649 | */ | |
4650 | #ifndef PERL_RELOCATABLE_INCPUSH | |
50d61629 | 4651 | if (!len) |
f31c6eed | 4652 | #endif |
50d61629 NC |
4653 | len = strlen(p); |
4654 | ||
4655 | end = p + len; | |
4656 | ||
55b4bc1c | 4657 | /* Break at all separators */ |
e42f52dd | 4658 | while ((s = (const char*)memchr(p, PERLLIB_SEP, end - p))) { |
50d61629 NC |
4659 | if (s == p) { |
4660 | /* skip any consecutive separators */ | |
55b4bc1c | 4661 | |
55b4bc1c | 4662 | /* Uncomment the next line for PATH semantics */ |
50d61629 | 4663 | /* But you'll need to write tests */ |
55b4bc1c | 4664 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
50d61629 | 4665 | } else { |
55b4bc1c | 4666 | incpush(p, (STRLEN)(s - p), flags); |
55b4bc1c | 4667 | } |
50d61629 | 4668 | p = s + 1; |
55b4bc1c | 4669 | } |
50d61629 NC |
4670 | if (p != end) |
4671 | incpush(p, (STRLEN)(end - p), flags); | |
4672 | ||
55b4bc1c | 4673 | } |
199100c8 | 4674 | |
93a17b20 | 4675 | void |
864dbfa3 | 4676 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4677 | { |
27da23d5 | 4678 | dVAR; |
971a9dd3 | 4679 | SV *atsv; |
5f40764f | 4680 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 4681 | CV *cv; |
22921e25 | 4682 | STRLEN len; |
6224f72b | 4683 | int ret; |
db36c5a1 | 4684 | dJMPENV; |
93a17b20 | 4685 | |
7918f24d NC |
4686 | PERL_ARGS_ASSERT_CALL_LIST; |
4687 | ||
e1ec3a88 | 4688 | while (av_len(paramList) >= 0) { |
ea726b52 | 4689 | cv = MUTABLE_CV(av_shift(paramList)); |
ece599bd RGS |
4690 | if (PL_savebegin) { |
4691 | if (paramList == PL_beginav) { | |
059a8bb7 | 4692 | /* save PL_beginav for compiler */ |
ad64d0ec | 4693 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, MUTABLE_SV(cv)); |
ece599bd RGS |
4694 | } |
4695 | else if (paramList == PL_checkav) { | |
4696 | /* save PL_checkav for compiler */ | |
ad64d0ec | 4697 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, MUTABLE_SV(cv)); |
ece599bd | 4698 | } |
3c10abe3 AG |
4699 | else if (paramList == PL_unitcheckav) { |
4700 | /* save PL_unitcheckav for compiler */ | |
ad64d0ec | 4701 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, MUTABLE_SV(cv)); |
3c10abe3 | 4702 | } |
059a8bb7 | 4703 | } else { |
81d86705 NC |
4704 | if (!PL_madskills) |
4705 | SAVEFREESV(cv); | |
059a8bb7 | 4706 | } |
14dd3ad8 | 4707 | JMPENV_PUSH(ret); |
6224f72b | 4708 | switch (ret) { |
312caa8e | 4709 | case 0: |
81d86705 NC |
4710 | #ifdef PERL_MAD |
4711 | if (PL_madskills) | |
4712 | PL_madskills |= 16384; | |
4713 | #endif | |
d6f07c05 | 4714 | CALL_LIST_BODY(cv); |
81d86705 NC |
4715 | #ifdef PERL_MAD |
4716 | if (PL_madskills) | |
4717 | PL_madskills &= ~16384; | |
4718 | #endif | |
971a9dd3 | 4719 | atsv = ERRSV; |
10516c54 | 4720 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4721 | if (len) { |
4722 | PL_curcop = &PL_compiling; | |
57843af0 | 4723 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4724 | if (paramList == PL_beginav) |
396482e1 | 4725 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 4726 | else |
4f25aa18 GS |
4727 | Perl_sv_catpvf(aTHX_ atsv, |
4728 | "%s failed--call queue aborted", | |
7d30b5c4 | 4729 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 4730 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 4731 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 4732 | : "END"); |
312caa8e CS |
4733 | while (PL_scopestack_ix > oldscope) |
4734 | LEAVE; | |
14dd3ad8 | 4735 | JMPENV_POP; |
be2597df | 4736 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 4737 | } |
85e6fe83 | 4738 | break; |
6224f72b | 4739 | case 1: |
f86702cc | 4740 | STATUS_ALL_FAILURE; |
85e6fe83 | 4741 | /* FALL THROUGH */ |
6224f72b | 4742 | case 2: |
85e6fe83 | 4743 | /* my_exit() was called */ |
3280af22 | 4744 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4745 | LEAVE; |
84902520 | 4746 | FREETMPS; |
3280af22 | 4747 | PL_curstash = PL_defstash; |
3280af22 | 4748 | PL_curcop = &PL_compiling; |
57843af0 | 4749 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4750 | JMPENV_POP; |
f86702cc | 4751 | my_exit_jump(); |
85e6fe83 | 4752 | /* NOTREACHED */ |
6224f72b | 4753 | case 3: |
312caa8e CS |
4754 | if (PL_restartop) { |
4755 | PL_curcop = &PL_compiling; | |
57843af0 | 4756 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4757 | JMPENV_JUMP(3); |
85e6fe83 | 4758 | } |
bf49b057 | 4759 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4760 | FREETMPS; |
4761 | break; | |
8990e307 | 4762 | } |
14dd3ad8 | 4763 | JMPENV_POP; |
93a17b20 | 4764 | } |
93a17b20 | 4765 | } |
93a17b20 | 4766 | |
f86702cc | 4767 | void |
864dbfa3 | 4768 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4769 | { |
97aff369 | 4770 | dVAR; |
f86702cc | 4771 | switch (status) { |
4772 | case 0: | |
4773 | STATUS_ALL_SUCCESS; | |
4774 | break; | |
4775 | case 1: | |
4776 | STATUS_ALL_FAILURE; | |
4777 | break; | |
4778 | default: | |
6ac6a52b | 4779 | STATUS_EXIT_SET(status); |
f86702cc | 4780 | break; |
4781 | } | |
4782 | my_exit_jump(); | |
4783 | } | |
4784 | ||
4785 | void | |
864dbfa3 | 4786 | Perl_my_failure_exit(pTHX) |
f86702cc | 4787 | { |
97aff369 | 4788 | dVAR; |
f86702cc | 4789 | #ifdef VMS |
fb38d079 JM |
4790 | /* We have been called to fall on our sword. The desired exit code |
4791 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
4792 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
4793 | * that code is set. | |
fb38d079 JM |
4794 | * |
4795 | * If an error code has not been set, then force the issue. | |
4796 | */ | |
0968cdad JM |
4797 | if (MY_POSIX_EXIT) { |
4798 | ||
e08e1e1d JM |
4799 | /* According to the die_exit.t tests, if errno is non-zero */ |
4800 | /* It should be used for the error status. */ | |
0968cdad | 4801 | |
e08e1e1d JM |
4802 | if (errno == EVMSERR) { |
4803 | STATUS_NATIVE = vaxc$errno; | |
4804 | } else { | |
0968cdad | 4805 | |
e08e1e1d JM |
4806 | /* According to die_exit.t tests, if the child_exit code is */ |
4807 | /* also zero, then we need to exit with a code of 255 */ | |
4808 | if ((errno != 0) && (errno < 256)) | |
4809 | STATUS_UNIX_EXIT_SET(errno); | |
4810 | else if (STATUS_UNIX < 255) { | |
0968cdad | 4811 | STATUS_UNIX_EXIT_SET(255); |
e08e1e1d JM |
4812 | } |
4813 | ||
0968cdad | 4814 | } |
e08e1e1d JM |
4815 | |
4816 | /* The exit code could have been set by $? or vmsish which | |
4817 | * means that it may not have fatal set. So convert | |
4818 | * success/warning codes to fatal with out changing | |
4819 | * the POSIX status code. The severity makes VMS native | |
4820 | * status handling work, while UNIX mode programs use the | |
4821 | * the POSIX exit codes. | |
4822 | */ | |
4823 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) { | |
4824 | STATUS_NATIVE &= STS$M_COND_ID; | |
4825 | STATUS_NATIVE |= STS$K_ERROR | STS$M_INHIB_MSG; | |
4826 | } | |
0968cdad JM |
4827 | } |
4828 | else { | |
4829 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
4830 | if (vaxc$errno & 1) { | |
4831 | ||
4832 | /* So force success status to failure */ | |
4833 | if (STATUS_NATIVE & 1) | |
4834 | STATUS_ALL_FAILURE; | |
4835 | } | |
4836 | else { | |
4837 | if (!vaxc$errno) { | |
4838 | STATUS_UNIX = EINTR; /* In case something cares */ | |
4839 | STATUS_ALL_FAILURE; | |
4840 | } | |
4841 | else { | |
4842 | int severity; | |
4843 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
4844 | ||
4845 | /* Encode the severity code */ | |
4846 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
4847 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
4848 | ||
4849 | /* Perl expects this to be a fatal error */ | |
4850 | if (severity != STS$K_SEVERE) | |
4851 | STATUS_ALL_FAILURE; | |
4852 | } | |
4853 | } | |
4854 | } | |
fb38d079 | 4855 | |
f86702cc | 4856 | #else |
9b599b2a | 4857 | int exitstatus; |
f86702cc | 4858 | if (errno & 255) |
e5218da5 | 4859 | STATUS_UNIX_SET(errno); |
9b599b2a | 4860 | else { |
e5218da5 | 4861 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 4862 | if (exitstatus & 255) |
e5218da5 | 4863 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 4864 | else |
e5218da5 | 4865 | STATUS_UNIX_SET(255); |
9b599b2a | 4866 | } |
f86702cc | 4867 | #endif |
4868 | my_exit_jump(); | |
93a17b20 LW |
4869 | } |
4870 | ||
76e3520e | 4871 | STATIC void |
cea2e8a9 | 4872 | S_my_exit_jump(pTHX) |
f86702cc | 4873 | { |
27da23d5 | 4874 | dVAR; |
f86702cc | 4875 | |
3280af22 NIS |
4876 | if (PL_e_script) { |
4877 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 4878 | PL_e_script = NULL; |
f86702cc | 4879 | } |
4880 | ||
3280af22 | 4881 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
4882 | dounwind(-1); |
4883 | LEAVE_SCOPE(0); | |
ff0cee69 | 4884 | |
6224f72b | 4885 | JMPENV_JUMP(2); |
f86702cc | 4886 | } |
873ef191 | 4887 | |
0cb96387 | 4888 | static I32 |
acfe0abc | 4889 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 4890 | { |
97aff369 | 4891 | dVAR; |
9d4ba2ae AL |
4892 | const char * const p = SvPVX_const(PL_e_script); |
4893 | const char *nl = strchr(p, '\n'); | |
4894 | ||
4895 | PERL_UNUSED_ARG(idx); | |
4896 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 4897 | |
3280af22 | 4898 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4899 | if (nl-p == 0) { |
0cb96387 | 4900 | filter_del(read_e_script); |
873ef191 | 4901 | return 0; |
7dfe3f66 | 4902 | } |
873ef191 | 4903 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4904 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4905 | return 1; |
4906 | } | |
66610fdd RGS |
4907 | |
4908 | /* | |
4909 | * Local variables: | |
4910 | * c-indentation-style: bsd | |
4911 | * c-basic-offset: 4 | |
4912 | * indent-tabs-mode: t | |
4913 | * End: | |
4914 | * | |
37442d52 RGS |
4915 | * ex: set ts=8 sts=4 sw=4 noet: |
4916 | */ |